From 472ade84c1c7de0cb7582c7342f83437f8d898c0 Mon Sep 17 00:00:00 2001 From: Andreas Henriksson Date: Sat, 12 Jul 2014 07:23:09 +0000 Subject: [PATCH 1/1] Import cogl_1.18.2.orig.tar.xz [dgit import orig cogl_1.18.2.orig.tar.xz] --- ABOUT-NLS | 1068 + COPYING | 107 + ChangeLog | 20 + Makefile.am | 48 + Makefile.in | 1147 + NEWS | 1395 + README | 177 + README.in | 177 + aclocal.m4 | 1724 + build/Makefile-msvcproj.mak | 56 + build/Makefile.am | 1 + build/Makefile.in | 753 + build/autotools/Makefile.am.enums | 51 + build/autotools/Makefile.am.release | 163 + build/autotools/Makefile.am.silent | 19 + build/autotools/acglib.m4 | 131 + build/autotools/as-compiler-flag.m4 | 62 + build/autotools/as-glibconfig.m4 | 2141 ++ build/autotools/as-linguas.m4 | 24 + build/autotools/gettext.m4 | 381 + build/autotools/gtk-doc.m4 | 71 + build/autotools/iconv.m4 | 180 + build/autotools/intlmacosx.m4 | 51 + build/autotools/lib-ld.m4 | 110 + build/autotools/lib-link.m4 | 709 + build/autotools/lib-prefix.m4 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0000000..83bc72e --- /dev/null +++ b/ABOUT-NLS @@ -0,0 +1,1068 @@ +1 Notes on the Free Translation Project +*************************************** + +Free software is going international! The Free Translation Project is +a way to get maintainers of free software, translators, and users all +together, so that free software will gradually become able to speak many +languages. A few packages already provide translations for their +messages. + + If you found this `ABOUT-NLS' file inside a distribution, you may +assume that the distributed package does use GNU `gettext' internally, +itself available at your nearest GNU archive site. But you do _not_ +need to install GNU `gettext' prior to configuring, installing or using +this package with messages translated. + + Installers will find here some useful hints. These notes also +explain how users should proceed for getting the programs to use the +available translations. They tell how people wanting to contribute and +work on translations can contact the appropriate team. + + When reporting bugs in the `intl/' directory or bugs which may be +related to internationalization, you should tell about the version of +`gettext' which is used. The information can be found in the +`intl/VERSION' file, in internationalized packages. + +1.1 Quick configuration advice +============================== + +If you want to exploit the full power of internationalization, you +should configure it using + + ./configure --with-included-gettext + +to force usage of internationalizing routines provided within this +package, despite the existence of internationalizing capabilities in the +operating system where this package is being installed. So far, only +the `gettext' implementation in the GNU C library version 2 provides as +many features (such as locale alias, message inheritance, automatic +charset conversion or plural form handling) as the implementation here. +It is also not possible to offer this additional functionality on top +of a `catgets' implementation. Future versions of GNU `gettext' will +very likely convey even more functionality. So it might be a good idea +to change to GNU `gettext' as soon as possible. + + So you need _not_ provide this option if you are using GNU libc 2 or +you have installed a recent copy of the GNU gettext package with the +included `libintl'. + +1.2 INSTALL Matters +=================== + +Some packages are "localizable" when properly installed; the programs +they contain can be made to speak your own native language. Most such +packages use GNU `gettext'. Other packages have their own ways to +internationalization, predating GNU `gettext'. + + By default, this package will be installed to allow translation of +messages. It will automatically detect whether the system already +provides the GNU `gettext' functions. If not, the included GNU +`gettext' library will be used. This library is wholly contained +within this package, usually in the `intl/' subdirectory, so prior +installation of the GNU `gettext' package is _not_ required. +Installers may use special options at configuration time for changing +the default behaviour. The commands: + + ./configure --with-included-gettext + ./configure --disable-nls + +will, respectively, bypass any pre-existing `gettext' to use the +internationalizing routines provided within this package, or else, +_totally_ disable translation of messages. + + When you already have GNU `gettext' installed on your system and run +configure without an option for your new package, `configure' will +probably detect the previously built and installed `libintl.a' file and +will decide to use this. This might not be desirable. You should use +the more recent version of the GNU `gettext' library. I.e. if the file +`intl/VERSION' shows that the library which comes with this package is +more recent, you should use + + ./configure --with-included-gettext + +to prevent auto-detection. + + The configuration process will not test for the `catgets' function +and therefore it will not be used. The reason is that even an +emulation of `gettext' on top of `catgets' could not provide all the +extensions of the GNU `gettext' library. + + Internationalized packages usually have many `po/LL.po' files, where +LL gives an ISO 639 two-letter code identifying the language. Unless +translations have been forbidden at `configure' time by using the +`--disable-nls' switch, all available translations are installed +together with the package. However, the environment variable `LINGUAS' +may be set, prior to configuration, to limit the installed set. +`LINGUAS' should then contain a space separated list of two-letter +codes, stating which languages are allowed. + +1.3 Using This Package +====================== + +As a user, if your language has been installed for this package, you +only have to set the `LANG' environment variable to the appropriate +`LL_CC' combination. If you happen to have the `LC_ALL' or some other +`LC_xxx' environment variables set, you should unset them before +setting `LANG', otherwise the setting of `LANG' will not have the +desired effect. Here `LL' is an ISO 639 two-letter language code, and +`CC' is an ISO 3166 two-letter country code. For example, let's +suppose that you speak German and live in Germany. At the shell +prompt, merely execute `setenv LANG de_DE' (in `csh'), +`export LANG; LANG=de_DE' (in `sh') or `export LANG=de_DE' (in `bash'). +This can be done from your `.login' or `.profile' file, once and for +all. + + You might think that the country code specification is redundant. +But in fact, some languages have dialects in different countries. For +example, `de_AT' is used for Austria, and `pt_BR' for Brazil. The +country code serves to distinguish the dialects. + + The locale naming convention of `LL_CC', with `LL' denoting the +language and `CC' denoting the country, is the one use on systems based +on GNU libc. On other systems, some variations of this scheme are +used, such as `LL' or `LL_CC.ENCODING'. You can get the list of +locales supported by your system for your language by running the +command `locale -a | grep '^LL''. + + Not all programs have translations for all languages. By default, an +English message is shown in place of a nonexistent translation. If you +understand other languages, you can set up a priority list of languages. +This is done through a different environment variable, called +`LANGUAGE'. GNU `gettext' gives preference to `LANGUAGE' over `LANG' +for the purpose of message handling, but you still need to have `LANG' +set to the primary language; this is required by other parts of the +system libraries. For example, some Swedish users who would rather +read translations in German than English for when Swedish is not +available, set `LANGUAGE' to `sv:de' while leaving `LANG' to `sv_SE'. + + Special advice for Norwegian users: The language code for Norwegian +bokma*l changed from `no' to `nb' recently (in 2003). During the +transition period, while some message catalogs for this language are +installed under `nb' and some older ones under `no', it's recommended +for Norwegian users to set `LANGUAGE' to `nb:no' so that both newer and +older translations are used. + + In the `LANGUAGE' environment variable, but not in the `LANG' +environment variable, `LL_CC' combinations can be abbreviated as `LL' +to denote the language's main dialect. For example, `de' is equivalent +to `de_DE' (German as spoken in Germany), and `pt' to `pt_PT' +(Portuguese as spoken in Portugal) in this context. + +1.4 Translating Teams +===================== + +For the Free Translation Project to be a success, we need interested +people who like their own language and write it well, and who are also +able to synergize with other translators speaking the same language. +Each translation team has its own mailing list. The up-to-date list of +teams can be found at the Free Translation Project's homepage, +`http://translationproject.org/', in the "Teams" area. + + If you'd like to volunteer to _work_ at translating messages, you +should become a member of the translating team for your own language. +The subscribing address is _not_ the same as the list itself, it has +`-request' appended. For example, speakers of Swedish can send a +message to `sv-request@li.org', having this message body: + + subscribe + + Keep in mind that team members are expected to participate +_actively_ in translations, or at solving translational difficulties, +rather than merely lurking around. If your team does not exist yet and +you want to start one, or if you are unsure about what to do or how to +get started, please write to `coordinator@translationproject.org' to +reach the coordinator for all translator teams. + + The English team is special. It works at improving and uniformizing +the terminology in use. Proven linguistic skills are praised more than +programming skills, here. + +1.5 Available Packages +====================== + +Languages are not equally supported in all packages. The following +matrix shows the current state of internationalization, as of November +2007. The matrix shows, in regard of each package, for which languages +PO files have been submitted to translation coordination, with a +translation percentage of at least 50%. + + Ready PO files af am ar az be bg bs ca cs cy da de el en en_GB eo + +----------------------------------------------------+ + Compendium | [] [] [] [] | + a2ps | [] [] [] [] [] | + aegis | () | + ant-phone | () | + anubis | [] | + ap-utils | | + aspell | [] [] [] [] [] | + bash | [] | + bfd | | + bibshelf | [] | + binutils | | + bison | [] [] | + bison-runtime | [] | + bluez-pin | [] [] [] [] [] | + cflow | [] | + clisp | [] [] [] | + console-tools | [] [] | + coreutils | [] [] [] [] | + cpio | | + cpplib | [] [] [] | + cryptonit | [] | + dialog | | + diffutils | [] [] [] [] [] [] | + doodle | [] | + e2fsprogs | [] [] | + enscript | [] [] [] [] | + fetchmail | [] [] () [] [] | + findutils | [] | + findutils_stable | [] [] [] | + flex | [] [] [] | + fslint | | + gas | | + gawk | [] [] [] | + gcal | [] | + gcc | [] | + gettext-examples | [] [] [] [] [] | + gettext-runtime | [] [] [] [] [] | + gettext-tools | [] [] | + gip | [] | + gliv | [] [] | + glunarclock | [] | + gmult | [] [] | + gnubiff | () | + gnucash | [] [] () () [] | + gnuedu | | + gnulib | [] | + gnunet | | + gnunet-gtk | | + gnutls | [] | + gpe-aerial | [] [] | + gpe-beam | [] [] | + gpe-calendar | | + gpe-clock | [] [] | + gpe-conf | [] [] | + gpe-contacts | | + gpe-edit | [] | + gpe-filemanager | | + gpe-go | [] | + gpe-login | [] [] | + gpe-ownerinfo | [] [] | + gpe-package | | + gpe-sketchbook | [] [] | + gpe-su | [] [] | + gpe-taskmanager | [] [] | + gpe-timesheet | [] | + gpe-today | [] [] | + gpe-todo | | + gphoto2 | [] [] [] [] | + gprof | [] [] | + gpsdrive | | + gramadoir | [] [] | + grep | [] [] | + gretl | () | + gsasl | | + gss | | + gst-plugins-bad | [] [] | + gst-plugins-base | [] [] | + gst-plugins-good | [] [] [] | + gst-plugins-ugly | [] [] | + gstreamer | [] [] [] [] [] [] [] | + gtick | () | + gtkam | [] [] [] [] | + gtkorphan | [] [] | + gtkspell | [] [] [] [] | + gutenprint | [] | + hello | [] [] [] [] [] | + herrie | [] | + hylafax | | + idutils | [] [] | + indent | [] [] [] [] | + iso_15924 | | + iso_3166 | [] [] [] [] [] [] [] [] [] [] [] | + iso_3166_2 | | + iso_4217 | [] [] [] | + iso_639 | [] [] [] [] | + jpilot | [] | + jtag | | + jwhois | | + kbd | [] [] [] [] | + keytouch | [] [] | + keytouch-editor | [] | + keytouch-keyboa... | [] | + latrine | () | + ld | [] | + leafpad | [] [] [] [] [] | + libc | [] [] [] [] | + libexif | [] | + libextractor | [] | + libgpewidget | [] [] [] | + libgpg-error | [] | + libgphoto2 | [] [] | + libgphoto2_port | [] [] | + libgsasl | | + libiconv | [] [] | + libidn | [] [] [] | + lifelines | [] () | + lilypond | [] | + lingoteach | | + lprng | | + lynx | [] [] [] [] | + m4 | [] [] [] [] | + mailfromd | | + mailutils | [] | + make | [] [] | + man-db | [] [] [] | + minicom | [] [] [] | + nano | [] [] [] | + opcodes | [] | + parted | [] [] | + pilot-qof | | + popt | [] [] [] | + psmisc | [] | + pwdutils | | + qof | | + radius | [] | + recode | [] [] [] [] [] [] | + rpm | [] | + screem | | + scrollkeeper | [] [] [] [] [] [] [] [] | + sed | [] [] [] | + shared-mime-info | [] [] [] [] () [] [] [] | + sharutils | [] [] [] [] [] [] | + shishi | | + skencil | [] () | + solfege | | + soundtracker | [] [] | + sp | [] | + system-tools-ba... | [] [] [] [] [] [] [] [] [] | + tar | [] [] | + texinfo | [] [] [] | + tin | () () | + tuxpaint | [] [] [] [] [] [] | + unicode-han-tra... | | + unicode-transla... | | + util-linux | [] [] [] [] | + util-linux-ng | [] [] [] [] | + vorbis-tools | [] | + wastesedge | () | + wdiff | [] [] [] [] | + wget | [] [] [] | + xchat | [] [] [] [] [] [] [] | + xkeyboard-config | [] | + xpad | [] [] [] | + +----------------------------------------------------+ + af am ar az be bg bs ca cs cy da de el en en_GB eo + 6 0 2 1 8 26 2 40 48 2 56 88 15 1 15 18 + + es et eu fa fi fr ga gl gu he hi hr hu id is it + +--------------------------------------------------+ + Compendium | [] [] [] [] [] | + a2ps | [] [] [] () | + aegis | | + ant-phone | [] | + anubis | [] | + ap-utils | [] [] | + aspell | [] [] [] | + bash | [] | + bfd | [] [] | + bibshelf | [] [] [] | + binutils | [] [] [] | + bison | [] [] [] [] [] [] | + bison-runtime | [] [] [] [] [] | + bluez-pin | [] [] [] [] [] | + cflow | [] | + clisp | [] [] | + console-tools | | + coreutils | [] [] [] [] [] [] | + cpio | [] [] [] | + cpplib | [] [] | + cryptonit | [] | + dialog | [] [] [] | + diffutils | [] [] [] [] [] [] [] [] [] | + doodle | [] [] | + e2fsprogs | [] [] [] | + enscript | [] [] [] | + fetchmail | [] | + findutils | [] [] [] | + findutils_stable | [] [] [] [] | + flex | [] [] [] | + fslint | | + gas | [] [] | + gawk | [] [] [] [] () | + gcal | [] [] | + gcc | [] | + gettext-examples | [] [] [] [] [] [] [] | + gettext-runtime | [] [] [] [] [] [] | + gettext-tools | [] [] [] [] | + gip | [] [] [] [] | + gliv | () | + glunarclock | [] [] [] | + gmult | [] [] [] | + gnubiff | () () | + gnucash | () () () | + gnuedu | [] | + gnulib | [] [] [] | + gnunet | | + gnunet-gtk | | + gnutls | | + gpe-aerial | [] [] | + gpe-beam | [] [] | + gpe-calendar | | + gpe-clock | [] [] [] [] | + gpe-conf | [] | + gpe-contacts | [] [] | + gpe-edit | [] [] [] [] | + gpe-filemanager | [] | + gpe-go | [] [] [] | + gpe-login | [] [] [] | + gpe-ownerinfo | [] [] [] [] [] | + gpe-package | [] | + gpe-sketchbook | [] [] | + gpe-su | [] [] [] [] | + gpe-taskmanager | [] [] [] | + gpe-timesheet | [] [] [] [] | + gpe-today | [] [] [] [] | + gpe-todo | [] | + gphoto2 | [] [] [] [] [] | + gprof | [] [] [] [] [] | + gpsdrive | [] | + gramadoir | [] [] | + grep | [] [] [] | + gretl | [] [] [] () | + gsasl | [] [] | + gss | [] [] | + gst-plugins-bad | [] [] [] [] | + gst-plugins-base | [] [] [] [] | + gst-plugins-good | [] [] [] [] [] | + gst-plugins-ugly | [] [] [] [] | + gstreamer | [] [] [] | + gtick | [] [] [] | + gtkam | [] [] [] [] | + gtkorphan | [] [] | + gtkspell | [] [] [] [] [] [] [] | + gutenprint | [] | + hello | [] [] [] [] [] [] [] [] [] [] [] [] [] | + herrie | [] | + hylafax | | + idutils | [] [] [] [] [] | + indent | [] [] [] [] [] [] [] [] [] [] | + iso_15924 | [] | + iso_3166 | [] [] [] [] [] [] [] [] [] [] [] [] [] | + iso_3166_2 | [] | + iso_4217 | [] [] [] [] [] [] | + iso_639 | [] [] [] [] [] [] | + jpilot | [] [] | + jtag | [] | + jwhois | [] [] [] [] [] | + kbd | [] [] | + keytouch | [] [] [] | + keytouch-editor | [] | + keytouch-keyboa... | [] [] | + latrine | [] [] | + ld | [] [] [] [] | + leafpad | [] [] [] [] [] [] | + libc | [] [] [] [] [] | + libexif | [] | + libextractor | [] | + libgpewidget | [] [] [] [] [] | + libgpg-error | [] | + libgphoto2 | [] [] [] | + libgphoto2_port | [] [] | + libgsasl | [] [] | + libiconv | [] [] [] | + libidn | [] [] | + lifelines | () | + lilypond | [] [] [] | + lingoteach | [] [] [] | + lprng | | + lynx | [] [] [] | + m4 | [] [] [] [] | + mailfromd | | + mailutils | [] [] | + make | [] [] [] [] [] [] [] [] | + man-db | [] | + minicom | [] [] [] [] | + nano | [] [] [] [] [] [] [] | + opcodes | [] [] [] [] | + parted | [] [] [] | + pilot-qof | | + popt | [] [] [] [] | + psmisc | [] [] | + pwdutils | | + qof | [] | + radius | [] [] | + recode | [] [] [] [] [] [] [] [] | + rpm | [] [] | + screem | | + scrollkeeper | [] [] [] | + sed | [] [] [] [] [] | + shared-mime-info | [] [] [] [] [] [] | + sharutils | [] [] [] [] [] [] [] [] | + shishi | [] | + skencil | [] [] | + solfege | [] | + soundtracker | [] [] [] | + sp | [] | + system-tools-ba... | [] [] [] [] [] [] [] [] [] | + tar | [] [] [] [] [] | + texinfo | [] [] [] | + tin | [] () | + tuxpaint | [] [] | + unicode-han-tra... | | + unicode-transla... | [] [] | + util-linux | [] [] [] [] [] [] [] | + util-linux-ng | [] [] [] [] [] [] [] | + vorbis-tools | | + wastesedge | () | + wdiff | [] [] [] [] [] [] [] [] | + wget | [] [] [] [] [] [] [] [] | + xchat | [] [] [] [] [] [] [] | + xkeyboard-config | [] [] [] [] | + xpad | [] [] [] | + +--------------------------------------------------+ + es et eu fa fi fr ga gl gu he hi hr hu id is it + 85 22 14 2 48 101 61 12 2 8 2 6 53 29 1 52 + + ja ka ko ku ky lg lt lv mk mn ms mt nb ne nl nn + +--------------------------------------------------+ + Compendium | [] | + a2ps | () [] [] | + aegis | () | + ant-phone | [] | + anubis | [] [] [] | + ap-utils | [] | + aspell | [] [] | + bash | [] | + bfd | | + bibshelf | [] | + binutils | | + bison | [] [] [] | + bison-runtime | [] [] [] | + bluez-pin | [] [] [] | + cflow | | + clisp | [] | + console-tools | | + coreutils | [] | + cpio | [] | + cpplib | [] | + cryptonit | [] | + dialog | [] [] | + diffutils | [] [] [] | + doodle | | + e2fsprogs | [] | + enscript | [] | + fetchmail | [] [] | + findutils | [] | + findutils_stable | [] | + flex | [] [] | + fslint | | + gas | | + gawk | [] [] | + gcal | | + gcc | | + gettext-examples | [] [] [] | + gettext-runtime | [] [] [] | + gettext-tools | [] [] | + gip | [] [] | + gliv | [] | + glunarclock | [] [] | + gmult | [] [] [] | + gnubiff | | + gnucash | () () () | + gnuedu | | + gnulib | [] [] | + gnunet | | + gnunet-gtk | | + gnutls | [] | + gpe-aerial | [] | + gpe-beam | [] | + gpe-calendar | [] | + gpe-clock | [] [] [] | + gpe-conf | [] [] [] | + gpe-contacts | [] | + gpe-edit | [] [] [] | + gpe-filemanager | [] [] | + gpe-go | [] [] [] | + gpe-login | [] [] [] | + gpe-ownerinfo | [] [] | + gpe-package | [] [] | + gpe-sketchbook | [] [] | + gpe-su | [] [] [] | + gpe-taskmanager | [] [] [] [] | + gpe-timesheet | [] | + gpe-today | [] [] | + gpe-todo | [] | + gphoto2 | [] [] | + gprof | [] | + gpsdrive | [] | + gramadoir | () | + grep | [] [] | + gretl | | + gsasl | [] | + gss | | + gst-plugins-bad | [] | + gst-plugins-base | [] | + gst-plugins-good | [] | + gst-plugins-ugly | [] | + gstreamer | [] | + gtick | [] | + gtkam | [] [] | + gtkorphan | [] | + gtkspell | [] [] | + gutenprint | [] | + hello | [] [] [] [] [] [] [] | + herrie | [] | + hylafax | | + idutils | [] | + indent | [] [] | + iso_15924 | [] | + iso_3166 | [] [] [] [] [] [] [] [] | + iso_3166_2 | [] | + iso_4217 | [] [] [] | + iso_639 | [] [] [] [] | + jpilot | () () | + jtag | | + jwhois | [] | + kbd | [] | + keytouch | [] | + keytouch-editor | [] | + keytouch-keyboa... | | + latrine | [] | + ld | | + leafpad | [] [] | + libc | [] [] [] | + libexif | | + libextractor | | + libgpewidget | [] | + libgpg-error | | + libgphoto2 | [] | + libgphoto2_port | [] | + libgsasl | [] | + libiconv | [] | + libidn | [] [] | + lifelines | [] | + lilypond | [] | + lingoteach | [] | + lprng | | + lynx | [] [] | + m4 | [] [] | + mailfromd | | + mailutils | | + make | [] [] [] | + man-db | | + minicom | [] | + nano | [] [] [] | + opcodes | [] | + parted | [] [] | + pilot-qof | | + popt | [] [] [] | + psmisc | [] [] [] | + pwdutils | | + qof | | + radius | | + recode | [] | + rpm | [] [] | + screem | [] | + scrollkeeper | [] [] [] [] | + sed | [] [] | + shared-mime-info | [] [] [] [] [] [] [] | + sharutils | [] [] | + shishi | | + skencil | | + solfege | () () | + soundtracker | | + sp | () | + system-tools-ba... | [] [] [] [] | + tar | [] [] [] | + texinfo | [] [] | + tin | | + tuxpaint | () [] [] | + unicode-han-tra... | | + unicode-transla... | | + util-linux | [] [] | + util-linux-ng | [] [] | + vorbis-tools | | + wastesedge | [] | + wdiff | [] [] | + wget | [] [] | + xchat | [] [] [] [] | + xkeyboard-config | [] [] [] | + xpad | [] [] [] | + +--------------------------------------------------+ + ja ka ko ku ky lg lt lv mk mn ms mt nb ne nl nn + 51 2 25 3 2 0 6 0 2 2 20 0 11 1 103 6 + + or pa pl pt pt_BR rm ro ru rw sk sl sq sr sv ta + +--------------------------------------------------+ + Compendium | [] [] [] [] [] | + a2ps | () [] [] [] [] [] [] | + aegis | () () | + ant-phone | [] [] | + anubis | [] [] [] | + ap-utils | () | + aspell | [] [] [] | + bash | [] [] | + bfd | | + bibshelf | [] | + binutils | [] [] | + bison | [] [] [] [] [] | + bison-runtime | [] [] [] [] [] | + bluez-pin | [] [] [] [] [] [] [] [] [] | + cflow | [] | + clisp | [] | + console-tools | [] | + coreutils | [] [] [] [] | + cpio | [] [] [] | + cpplib | [] | + cryptonit | [] [] | + dialog | [] | + diffutils | [] [] [] [] [] [] | + doodle | [] [] | + e2fsprogs | [] [] | + enscript | [] [] [] [] [] | + fetchmail | [] [] [] | + findutils | [] [] [] | + findutils_stable | [] [] [] [] [] [] | + flex | [] [] [] [] [] | + fslint | [] | + gas | | + gawk | [] [] [] [] | + gcal | [] | + gcc | [] [] | + gettext-examples | [] [] [] [] [] [] [] [] | + gettext-runtime | [] [] [] [] [] [] [] [] | + gettext-tools | [] [] [] [] [] [] [] | + gip | [] [] [] [] | + gliv | [] [] [] [] [] [] | + glunarclock | [] [] [] [] [] [] | + gmult | [] [] [] [] | + gnubiff | () [] | + gnucash | () [] | + gnuedu | | + gnulib | [] [] [] | + gnunet | | + gnunet-gtk | [] | + gnutls | [] [] | + gpe-aerial | [] [] [] [] [] [] [] | + gpe-beam | [] [] [] [] [] [] [] | + gpe-calendar | [] [] [] [] | + gpe-clock | [] [] [] [] [] [] [] [] | + gpe-conf | [] [] [] [] [] [] [] | + gpe-contacts | [] [] [] [] [] | + gpe-edit | [] [] [] [] [] [] [] [] [] | + gpe-filemanager | [] [] | + gpe-go | [] [] [] [] [] [] [] [] | + gpe-login | [] [] [] [] [] [] [] [] | + gpe-ownerinfo | [] [] [] [] [] [] [] [] | + gpe-package | [] [] | + gpe-sketchbook | [] [] [] [] [] [] [] [] | + gpe-su | [] [] [] [] [] [] [] [] | + gpe-taskmanager | [] [] [] [] [] [] [] [] | + gpe-timesheet | [] [] [] [] [] [] [] [] | + gpe-today | [] [] [] [] [] [] [] [] | + gpe-todo | [] [] [] [] | + gphoto2 | [] [] [] [] [] [] | + gprof | [] [] [] | + gpsdrive | [] [] | + gramadoir | [] [] | + grep | [] [] [] [] | + gretl | [] [] [] | + gsasl | [] [] [] | + gss | [] [] [] [] | + gst-plugins-bad | [] [] [] | + gst-plugins-base | [] [] | + gst-plugins-good | [] [] | + gst-plugins-ugly | [] [] [] | + gstreamer | [] [] [] [] | + gtick | [] | + gtkam | [] [] [] [] [] | + gtkorphan | [] | + gtkspell | [] [] [] [] [] [] [] [] | + gutenprint | [] | + hello | [] [] [] [] [] [] [] [] | + herrie | [] [] [] | + hylafax | | + idutils | [] [] [] [] [] | + indent | [] [] [] [] [] [] [] | + iso_15924 | | + iso_3166 | [] [] [] [] [] [] [] [] [] [] [] [] [] | + iso_3166_2 | | + iso_4217 | [] [] [] [] [] [] [] | + iso_639 | [] [] [] [] [] [] [] | + jpilot | | + jtag | [] | + jwhois | [] [] [] [] | + kbd | [] [] [] | + keytouch | [] | + keytouch-editor | [] | + keytouch-keyboa... | [] | + latrine | | + ld | [] | + leafpad | [] [] [] [] [] [] | + libc | [] [] [] [] | + libexif | [] [] | + libextractor | [] [] | + libgpewidget | [] [] [] [] [] [] [] [] | + libgpg-error | [] [] [] | + libgphoto2 | [] | + libgphoto2_port | [] [] [] | + libgsasl | [] [] [] [] | + libiconv | [] [] [] | + libidn | [] [] () | + lifelines | [] [] | + lilypond | | + lingoteach | [] | + lprng | [] | + lynx | [] [] [] | + m4 | [] [] [] [] [] | + mailfromd | [] | + mailutils | [] [] [] | + make | [] [] [] [] | + man-db | [] [] [] [] | + minicom | [] [] [] [] [] | + nano | [] [] [] [] | + opcodes | [] [] | + parted | [] | + pilot-qof | | + popt | [] [] [] [] | + psmisc | [] [] | + pwdutils | [] [] | + qof | [] [] | + radius | [] [] | + recode | [] [] [] [] [] [] [] | + rpm | [] [] [] [] | + screem | | + scrollkeeper | [] [] [] [] [] [] [] | + sed | [] [] [] [] [] [] [] [] [] | + shared-mime-info | [] [] [] [] [] [] | + sharutils | [] [] [] [] | + shishi | [] | + skencil | [] [] [] | + solfege | [] | + soundtracker | [] [] | + sp | | + system-tools-ba... | [] [] [] [] [] [] [] [] [] | + tar | [] [] [] [] | + texinfo | [] [] [] [] | + tin | () | + tuxpaint | [] [] [] [] [] [] | + unicode-han-tra... | | + unicode-transla... | | + util-linux | [] [] [] [] | + util-linux-ng | [] [] [] [] | + vorbis-tools | [] | + wastesedge | | + wdiff | [] [] [] [] [] [] [] | + wget | [] [] [] [] | + xchat | [] [] [] [] [] [] [] | + xkeyboard-config | [] [] [] | + xpad | [] [] [] | + +--------------------------------------------------+ + or pa pl pt pt_BR rm ro ru rw sk sl sq sr sv ta + 0 5 77 31 53 4 58 72 3 45 46 9 45 122 3 + + tg th tk tr uk ven vi wa xh zh_CN zh_HK zh_TW zu + +---------------------------------------------------+ + Compendium | [] [] [] [] | 19 + a2ps | [] [] [] | 19 + aegis | [] | 1 + ant-phone | [] [] | 6 + anubis | [] [] [] | 11 + ap-utils | () [] | 4 + aspell | [] [] [] | 16 + bash | [] | 6 + bfd | | 2 + bibshelf | [] | 7 + binutils | [] [] [] [] | 9 + bison | [] [] [] [] | 20 + bison-runtime | [] [] [] [] | 18 + bluez-pin | [] [] [] [] [] [] | 28 + cflow | [] [] | 5 + clisp | | 9 + console-tools | [] [] | 5 + coreutils | [] [] [] | 18 + cpio | [] [] [] [] | 11 + cpplib | [] [] [] [] [] | 12 + cryptonit | [] | 6 + dialog | [] [] [] | 9 + diffutils | [] [] [] [] [] | 29 + doodle | [] | 6 + e2fsprogs | [] [] | 10 + enscript | [] [] [] | 16 + fetchmail | [] [] | 12 + findutils | [] [] [] | 11 + findutils_stable | [] [] [] [] | 18 + flex | [] [] | 15 + fslint | [] | 2 + gas | [] | 3 + gawk | [] [] [] | 16 + gcal | [] | 5 + gcc | [] [] [] | 7 + gettext-examples | [] [] [] [] [] [] | 29 + gettext-runtime | [] [] [] [] [] [] | 28 + gettext-tools | [] [] [] [] [] | 20 + gip | [] [] | 13 + gliv | [] [] | 11 + glunarclock | [] [] [] | 15 + gmult | [] [] [] [] | 16 + gnubiff | [] | 2 + gnucash | () [] | 5 + gnuedu | [] | 2 + gnulib | [] | 10 + gnunet | | 0 + gnunet-gtk | [] [] | 3 + gnutls | | 4 + gpe-aerial | [] [] | 14 + gpe-beam | [] [] | 14 + gpe-calendar | [] [] | 7 + gpe-clock | [] [] [] [] | 21 + gpe-conf | [] [] [] | 16 + gpe-contacts | [] [] | 10 + gpe-edit | [] [] [] [] [] | 22 + gpe-filemanager | [] [] | 7 + gpe-go | [] [] [] [] | 19 + gpe-login | [] [] [] [] [] | 21 + gpe-ownerinfo | [] [] [] [] | 21 + gpe-package | [] | 6 + gpe-sketchbook | [] [] | 16 + gpe-su | [] [] [] [] | 21 + gpe-taskmanager | [] [] [] [] | 21 + gpe-timesheet | [] [] [] [] | 18 + gpe-today | [] [] [] [] [] | 21 + gpe-todo | [] [] | 8 + gphoto2 | [] [] [] [] | 21 + gprof | [] [] | 13 + gpsdrive | [] | 5 + gramadoir | [] | 7 + grep | [] | 12 + gretl | | 6 + gsasl | [] [] [] | 9 + gss | [] | 7 + gst-plugins-bad | [] [] [] | 13 + gst-plugins-base | [] [] | 11 + gst-plugins-good | [] [] [] [] [] | 16 + gst-plugins-ugly | [] [] [] | 13 + gstreamer | [] [] [] | 18 + gtick | [] [] | 7 + gtkam | [] | 16 + gtkorphan | [] | 7 + gtkspell | [] [] [] [] [] [] | 27 + gutenprint | | 4 + hello | [] [] [] [] [] | 38 + herrie | [] [] | 8 + hylafax | | 0 + idutils | [] [] | 15 + indent | [] [] [] [] [] | 28 + iso_15924 | [] [] | 4 + iso_3166 | [] [] [] [] [] [] [] [] [] | 54 + iso_3166_2 | [] [] | 4 + iso_4217 | [] [] [] [] [] | 24 + iso_639 | [] [] [] [] [] | 26 + jpilot | [] [] [] [] | 7 + jtag | [] | 3 + jwhois | [] [] [] | 13 + kbd | [] [] [] | 13 + keytouch | [] | 8 + keytouch-editor | [] | 5 + keytouch-keyboa... | [] | 5 + latrine | [] [] | 5 + ld | [] [] [] [] | 10 + leafpad | [] [] [] [] [] | 24 + libc | [] [] [] | 19 + libexif | [] | 5 + libextractor | [] | 5 + libgpewidget | [] [] [] | 20 + libgpg-error | [] | 6 + libgphoto2 | [] [] | 9 + libgphoto2_port | [] [] [] | 11 + libgsasl | [] | 8 + libiconv | [] [] | 11 + libidn | [] [] | 11 + lifelines | | 4 + lilypond | [] | 6 + lingoteach | [] | 6 + lprng | [] | 2 + lynx | [] [] [] | 15 + m4 | [] [] [] | 18 + mailfromd | [] [] | 3 + mailutils | [] [] | 8 + make | [] [] [] | 20 + man-db | [] | 9 + minicom | [] | 14 + nano | [] [] [] | 20 + opcodes | [] [] | 10 + parted | [] [] [] | 11 + pilot-qof | [] | 1 + popt | [] [] [] [] | 18 + psmisc | [] [] | 10 + pwdutils | [] | 3 + qof | [] | 4 + radius | [] [] | 7 + recode | [] [] [] | 25 + rpm | [] [] [] [] | 13 + screem | [] | 2 + scrollkeeper | [] [] [] [] | 26 + sed | [] [] [] [] | 23 + shared-mime-info | [] [] [] | 29 + sharutils | [] [] [] | 23 + shishi | [] | 3 + skencil | [] | 7 + solfege | [] | 3 + soundtracker | [] [] | 9 + sp | [] | 3 + system-tools-ba... | [] [] [] [] [] [] [] | 38 + tar | [] [] [] | 17 + texinfo | [] [] [] | 15 + tin | | 1 + tuxpaint | [] [] [] | 19 + unicode-han-tra... | | 0 + unicode-transla... | | 2 + util-linux | [] [] [] | 20 + util-linux-ng | [] [] [] | 20 + vorbis-tools | [] [] | 4 + wastesedge | | 1 + wdiff | [] [] | 23 + wget | [] [] [] | 20 + xchat | [] [] [] [] | 29 + xkeyboard-config | [] [] [] | 14 + xpad | [] [] [] | 15 + +---------------------------------------------------+ + 76 teams tg th tk tr uk ven vi wa xh zh_CN zh_HK zh_TW zu + 163 domains 0 3 1 74 51 0 143 21 1 57 7 45 0 2036 + + Some counters in the preceding matrix are higher than the number of +visible blocks let us expect. This is because a few extra PO files are +used for implementing regional variants of languages, or language +dialects. + + For a PO file in the matrix above to be effective, the package to +which it applies should also have been internationalized and +distributed as such by its maintainer. There might be an observable +lag between the mere existence a PO file and its wide availability in a +distribution. + + If November 2007 seems to be old, you may fetch a more recent copy +of this `ABOUT-NLS' file on most GNU archive sites. The most +up-to-date matrix with full percentage details can be found at +`http://translationproject.org/extra/matrix.html'. + +1.6 Using `gettext' in new packages +=================================== + +If you are writing a freely available program and want to +internationalize it you are welcome to use GNU `gettext' in your +package. Of course you have to respect the GNU Library General Public +License which covers the use of the GNU `gettext' library. This means +in particular that even non-free programs can use `libintl' as a shared +library, whereas only free software can use `libintl' as a static +library or use modified versions of `libintl'. + + Once the sources are changed appropriately and the setup can handle +the use of `gettext' the only thing missing are the translations. The +Free Translation Project is also available for packages which are not +developed inside the GNU project. Therefore the information given above +applies also for every other Free Software Project. Contact +`coordinator@translationproject.org' to make the `.pot' files available +to the translation teams. + diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..1a61f8e --- /dev/null +++ b/COPYING @@ -0,0 +1,107 @@ +Most of Cogl is licensed under the terms of the MIT license. + +A few exceptions are: +- We have a copy of the GLU tesselator in cogl-path/tesselator which + is licensed under the SGI Free Software License B, version 2.0 + + This license is essentially identical to the MIT license with + the option to refer to a web address for a copy of the notice + in documentation. +- cogl-point-in-poly.c is under a 3 clause BSD license +- stb_image.c is public domain. + +Please see individual files for details. + +deps/glib is licensed under the LGPL (please see individual files for +details and deps/glib/COPYING for a copy of the LGPL license) This +code is only referenced when building Cogl with the --standalone +configure option. + +-- +The MIT License + +Copyright (C) 2007,2008 OpenedHand +Copyright (C) 2009-2014 Intel Corporation. +Copyright (C) 2010,2012 Red Hat, Inc. +Copyright (C) 1999-2005 Brian Paul All Rights Reserved. +Copyright (C) 2011,2012 Collabora Ltd. +Copyright (c) 2008-2011 Kristian Høgsberg + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +-- +SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + +Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following conditions: + +The above copyright notice including the dates of first publication and +either this permission notice or a reference to +http://oss.sgi.com/projects/FreeB/ +shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF +OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + +Except as contained in this notice, the name of Silicon Graphics, Inc. +shall not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization from +Silicon Graphics, Inc. + + +-- +The BSD license used in cogl-point-in-poly.c: + +Copyright (c) 1970-2003 Wm. Randolph Frianklin + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimers. +2. Redistributions in binary form must reproduce the above + copyright notice in the documentation and/or other materials + provided with the distribution. +3. The name of W. Randolph Franklin may not be used to endorse or + promote products derived from this Software without specific + prior written permission. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..146a958 --- /dev/null +++ b/ChangeLog @@ -0,0 +1,20 @@ +Cogl does not distribute a static Changelog with releases because we feel that +the Git log does a better job of tracking all the detailed source code changes +that are made to Cogl. + +If you just want a high level overview of what has changed between Cogl +releases then please see the NEWS file that we distribute. + +You can clone Cogl via Git using: + +$ git clone git://git.gnome.org/cogl.git + +You can see the log using: + +$ git log + +Or you can look at the log for a particular release by specifying +a release tag name like: + +$ git log 1.7.2 + diff --git a/Makefile.am b/Makefile.am new file mode 100644 index 0000000..a0c0c76 --- /dev/null +++ b/Makefile.am @@ -0,0 +1,48 @@ +SUBDIRS = deps test-fixtures + +SUBDIRS += cogl + +if BUILD_COGL_PATH +SUBDIRS += cogl-path +endif + +if BUILD_COGL_PANGO +SUBDIRS += cogl-pango +endif + +if BUILD_COGL_GLES2 +SUBDIRS += cogl-gles2 +endif + +if BUILD_COGL_GST +SUBDIRS += cogl-gst +endif + +SUBDIRS += tests examples doc po build + +ACLOCAL_AMFLAGS = -I build/autotools ${ACLOCAL_FLAGS} + +EXTRA_DIST = \ + README.in \ + config-custom.h \ + config.h.win32 \ + config.h.win32.in + +# .changelog expects these to be initializes +CLEANFILES= +DISTCLEANFILES= + +DISTCHECK_CONFIGURE_FLAGS = \ + --enable-gtk-doc \ + --enable-maintainer-flags \ + --enable-profile \ + --enable-gles1 \ + --enable-gles2 \ + --enable-gl \ + --enable-xlib-egl-platform \ + --enable-wayland-egl-platform \ + --enable-glx \ + --enable-wayland-egl-server \ + --enable-cogl-gst + +include $(top_srcdir)/build/autotools/Makefile.am.release diff --git a/Makefile.in b/Makefile.in new file mode 100644 index 0000000..37ed5fe --- /dev/null +++ b/Makefile.in @@ -0,0 +1,1147 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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\ + fi +mostlyclean-generic: + +clean-generic: + -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES) + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + -test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-recursive + +clean-am: clean-generic clean-libtool mostlyclean-am + +distclean: distclean-recursive + -rm -f $(am__CONFIG_DISTCLEAN_FILES) + -rm -f Makefile +distclean-am: clean-am distclean-generic distclean-hdr \ + distclean-libtool distclean-tags + +dvi: dvi-recursive + +dvi-am: + +html: html-recursive + +html-am: + +info: info-recursive + +info-am: + +install-data-am: + +install-dvi: install-dvi-recursive + +install-dvi-am: + +install-exec-am: + +install-html: install-html-recursive + +install-html-am: + +install-info: install-info-recursive + +install-info-am: + +install-man: + +install-pdf: install-pdf-recursive + +install-pdf-am: + +install-ps: install-ps-recursive + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-recursive + -rm -f $(am__CONFIG_DISTCLEAN_FILES) + -rm -rf $(top_srcdir)/autom4te.cache + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-recursive + +mostlyclean-am: mostlyclean-generic mostlyclean-libtool + +pdf: pdf-recursive + +pdf-am: + +ps: ps-recursive + +ps-am: + +uninstall-am: + +.MAKE: $(am__recursive_targets) all install-am install-strip + +.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am \ + am--refresh check check-am clean clean-cscope clean-generic \ + clean-libtool cscope cscopelist-am ctags ctags-am dist \ + dist-all dist-bzip2 dist-gzip dist-lzip dist-shar dist-tarZ \ + dist-xz dist-zip distcheck distclean distclean-generic \ + distclean-hdr distclean-libtool distclean-tags distcleancheck \ + distdir distuninstallcheck dvi dvi-am html html-am info \ + info-am install install-am install-data install-data-am \ + install-dvi install-dvi-am install-exec install-exec-am \ + install-html install-html-am install-info install-info-am \ + install-man install-pdf install-pdf-am install-ps \ + install-ps-am install-strip installcheck installcheck-am \ + installdirs installdirs-am maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \ + uninstall-am + + +$(sha256_file): $(tar_file) + $(AM_V_GEN)sha256sum $^ > $@ + +release-tag: + @if test "x$(COGL_RELEASE_STATUS)" = "xgit"; then \ + echo "Cannot tag a Git version; please, update the Cogl version" >&2; \ + else \ + if test -d "$(top_srcdir)/.git"; then \ + echo "Tagging release $(COGL_1_VERSION)..." ; \ + $(top_srcdir)/build/missing --run git tag \ + -s \ + -m "Cogl $(COGL_1_VERSION) ($(COGL_RELEASE_STATUS))" \ + $(COGL_1_VERSION) ; \ + else \ + echo A git checkout is required to tag a release >&2; \ + fi \ + fi + +release-check: release-verify-even-micro release-verify-news + TAR_OPTIONS="$(TAR_OPTIONS)" $(MAKE) $(AM_MAKEFLAGS) distcheck + +release-verify-news: + @echo -n "Checking that the NEWS file has been updated..." + @if ! grep -q "$(COGL_1_VERSION)" $(top_srcdir)/NEWS; then \ + (echo "Ouch." && \ + echo "The version in the NEWS file does not match $(COGL_1_VERSION)." && \ + echo "This probably means you haven't updated the NEWS file." && \ + false); else :; fi + @echo "Good." + +release-verify-even-micro: + @echo -n "Checking that $(VERSION) has an even micro component..." + @test "$(COGL_1_MICRO_VERSION)" = "`echo $(COGL_1_MICRO_VERSION)/2*2 | bc`" || \ + (echo "Ouch." && \ + echo "The version micro component '$(COGL_1_MICRO_VERSION)' is not an even number." && \ + echo "The version in configure.ac must be incremented before a new release." && \ + false) + @echo "Good." + +release-upload: $(sha256_file) + @echo "Uploading to master.gnome.org..." + @scp $(tar_file) master.gnome.org: + @echo "Running ftpadmin install..." + @ssh master.gnome.org ftpadmin install $(tar_file) + @mv -f $(sha256_file) $(top_builddir)/build/$(sha256_file) + @echo "Done." + +release-message: + @echo " Release URL: $(RELEASE_URL)/$(tar_file)" + @echo "Release checksum: $(RELEASE_URL)/$(sha256_file)" + @echo "Send an email to: $(RELEASE_ANNOUNCE_LIST)" + @echo " Cc: $(RELEASE_ANNOUNCE_CC)" + @echo " Subject: Release Cogl $(COGL_1_VERSION) ($(COGL_RELEASE_STATUS))" + @echo " Contents:" + @csplit -q --prefix=.README-section- $(top_builddir)/README '/^--$$/' '{*}' + @csplit -q --prefix=.NEWS-section- NEWS '/^Cogl/' '{*}' + @echo "--- CUT HERE ---" + @echo "Good news, everyone!" + @echo "" + @echo "A new Cogl $(COGL_RELEASE_STATUS) ($(COGL_1_VERSION)) is now available:" + @echo "" + @echo "LATEST NEWS" + @echo "-------------------------------------------------------------------------------" + @echo "" + @cat .NEWS-section-01 + @echo "FETCHING THE RELEASE" + @echo "-------------------------------------------------------------------------------" + @echo "" + @echo "Tarballs can be downloaded from:" + @echo "" + @echo " http://download.gnome.org/sources/cogl/1.$(COGL_1_MINOR_VERSION)/" + @echo "" + @echo "SHA256 Checksum:" + @echo "" + @cat $(top_builddir)/build/$(sha256_file) + @echo "" + @echo "Additionally, a git clone of the source tree:" + @echo " git clone git://git.gnome.org/cogl" + @echo "" + @echo "will include a signed $(COGL_1_VERSION) tag which points to a commit named:" + @echo " `git cat-file tag $(COGL_1_VERSION) | $(GREP) ^object | $(SED) -e 's,object ,,'`" + @echo "" + @echo "which can be verified with:" + @echo " git verify-tag $(COGL_1_VERSION)" + @echo "" + @echo "and can be checked out with a command such as:" + @echo " git checkout -b build $(COGL_1_VERSION)" + @echo "" + @tail -n +2 .README-section-01 + @echo "" + @tail -n +2 .README-section-02 + @echo "" + @echo "" + @echo "DOCUMENTATION" + @echo "-------------------------------------------------------------------------------" + @echo "" + @echo "The 1.x stable API is documented here:" + @echo " http://developer.gnome.org/cogl/stable/" + @echo "The 1.x development API is documented here:" + @echo " http://developer.gnome.org/cogl/1.$(COGL_1_MINOR_VERSION)" + @echo "The experimental 2.0 API is documented here:" + @echo " http://cogl3d.org/cogl2-reference/" + @echo "" + @echo "" + @echo "RELEASE NOTES" + @echo "-------------------------------------------------------------------------------" + @if test "x$(COGL_RELEASE_STATUS)" = "xsnapshot"; then \ + echo " - This is a development snapshot release so there are not API or ABI stability"; \ + echo " guarantees at this point for new APIs since the last stable release."; \ + echo ""; \ + fi + @echo " - This Cogl release exports a 1.x API (For third-party Clutter" + @echo " developers to write custom actors) and an experimental 2.0 API which" + @echo " allows standalone application development." + @echo "" + @echo " - Internally Clutter depends on the Cogl 2.0 experimental API so we maintain" + @echo " runtime compatibility between the 1.x API and experimental 2.0 APIs, which" + @echo " means developers can mix-and-match their use of the APIs in the same" + @echo " process. API selection is done per-file by including a line like: '#define" + @echo " COGL_ENABLE_EXPERIMENTAL_2_0_API' before including cogl.h or clutter.h." + @echo "" + @echo " - We recommend using the 2.0 API if you don't mind updating your code once in" + @echo " a while as this API evolves and stabilizes. We promise not to break the 2.0" + @echo " API during a 1.x stable cycle and hope that will encourage people to" + @echo " experiment with it and give critical feedback! For example after releasing" + @echo " 1.8, the 2.0 API will be stable for 1.8.1, 1.8.2, 1.8.3 etc, but may update" + @echo " for 1.9/1.10." + @echo "" + @echo " - Because we export the 1.x and 2.0 APIs from one libcogl.so the library" + @echo " versioning, and thus ABI, can only be considered as stable as our 2.0 API - " + @echo " i.e. during a stable release 1.x cycle." + @echo "" + @echo " - Please report bugs using the Cogl Bugzilla product, at:" + @echo " http://bugzilla.gnome.org/enter_bug.cgi?product=cogl" + @echo "--- CUT HERE ---" + +release-publish: release-check + $(MAKE) $(AM_MAKEFLAGS) release-tag + $(MAKE) $(AM_MAKEFLAGS) release-upload + $(MAKE) $(AM_MAKEFLAGS) release-message + +.PHONY: \ + release-check \ + release-message \ + release-publish \ + release-tag \ + release-upload \ + release-verify-even-micro + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/NEWS b/NEWS new file mode 100644 index 0000000..0be6580 --- /dev/null +++ b/NEWS @@ -0,0 +1,1395 @@ +Cogl 1.18.2 2014-06-03 + + • List of changes since Cogl 1.18.0 + + » MSVC updates + » KMS improvements for use by GNOME Shell + » EGL backend improvement to avoid creating a dummy surface if + driver supports EGL_KHR_surfacless_context extension + » cogl-x11-tfp example fixes + + • Gnome Bugzilla bugs closed since 1.18.0: + + #728064 - New AtlasTextures should keep designated atlas alive + #728628 - Fails to link from C++ applications due to excessive + symbol mangling + #728978 - Don't set EGL_PLATFORM + #728979 - Call swap notify handler even when pageflip ioctl fails + #730536 - Add apis needed for mutters compositor bypass + +Many thanks to: + + Chun-wei Fan + Neil Roberts + Adel Gadllah + Kristian Høgsberg + Emanuele Aina + Felix Riemann + +Cogl 1.18.0 2014-03-21 + + • List of changes since Cogl 1.17.4 + + » The license has been changed to the MIT license. This is more + permissive than the previous LGPLv2 license and is still + compatible with the GPL and LGPL. For more background on why we + decided to make this change please see the following post on the + mailing list: + http://lists.freedesktop.org/archives/cogl/2013-December/001465.html + » GObject introspection support has been greatly improved. + » Add cogl_kms_renderer_set_kms_fd to make the KMS backend use a + non-default GPU. + » Fix a hang in the Wayland backend if it can't find some globals + that it needs. + » Add cogl_gst_video_sink_get_natural_size to query a suggested size + for a Cogl-GST sink + » Add API to query the EGL and GLX contexts. This is intended to be + used to make a shared GL context. + » Fix advertising the deprecated buffer age feature flag on EGL. + » Add a new non-deprecated feature flag for the buffer age. + » Fix a bug with allocating textures in Cogl-GST. + » Fix a bug with the cogl-basic-video-player example where it would + try to use non-existant mipmaps. + » Fix selecting the GL driver in the SDL2 winsys. + » Updates to the MSVC build files. + + • Gnome Bugzilla bugs closed since 1.17.4: + + #724992 - get the opengl context from cogl + +Many thanks to: + + Chun-wei Fan + Robert Bragg + Lionel Landwerlin + Jasper St. Pierre + Wylmer Wang + +Cogl 1.17.4 2014-02-20 + + • List of changes since Cogl 1.17.2 + + » cogl-gst now ensures that sampled video fragments are always + pre-multiplied with the alpha component. + » cogl-gst now has NV12 format support. + » The cogl-basic-video-player example can now be passed an + custom gstreamer pipeline description, as long as it contains + a coglsink element. + » The -experimental-2.0 pkg-config files now all depend on + cogl-2.0-experimental instead of cogl-1.0. + + • Gnome Bugzilla bugs closed since 1.17.2: + + #712832 - video-sink: Add NV12 shader support + #719741 - GLX winsys: fix feature handling for INTEL_swap_event + #722765 - Fix the exported symbols regular expression in cogl-path + #723530 - cogl-pipeline: SEGV in _cogl_pipeline_fragend_glsl_end + +Many thanks to: + + Neil Roberts + Lionel Landwerlin + Andreas Oberritter + Daniel Korostil + Emmanuele Bassi + Kjartan Maraas + Owen W. Taylor + +Cogl 1.17.2 2014-01-20 + + • List of changes since Cogl 1.16.0 + + » Textures are now allocated lazily. This means the textures can + optionally be configured with extra API before data is uploaded to + them. + » The internal format for textures has been replaced with a simpler + property to just set the number of components that will be + required when sampling. + » Depth writing can now be disabled per-framebuffer as well as on + the CoglPipeline. + » The interface typedefs such as CoglTexture, CoglFramebuffer and + CoglBitmap etc are now defined as void so that it is no longer + necessary to use type-cast macros when passing them to interface + methods. + » YV12/I420 support in cogl-gst is fixed. + » Added support for red-green 2-component textures. + » The cache of GLSL shaders is now garbage collected when it gets + too large. + » cogl_framebuffer_push_path_clip is fixed. + » cogl-path is now split out into a separate library. + » New function cogl_wayland_texture_set_region_from_shm_buffer to + update a texture from a Wayland SHM bufffer. + » The pkg-config files for cogl-gst and cogl-gles2 have new more + consistent names. + + • Gnome Bugzilla bugs closed since 1.16.0: + + #706808 - "Unable to locate required kms libraries" message is really + uninformative + #709827 - Add API to control per-FB depth writing + #710135 - Fix build on big endian + #710926 - Build fails without declaration of wl_resource + #712562 - Fixes for the journal + #712830 - Add COGL_PIXEL_FORMAT_U_V + #719546 - cogl-framebuffer: Fix a potential NULL pointer dereference + #719582 - cogl-framebuffer: Don't mark the clear clip dirty from the + journal + #720287 - cogl-path: Export cogl_clip_push_from_path + #721450 - Re-enable swap_region for mesa 10.1+ llvmpipe / swrast + +Many thanks to: + + Robert Bragg + Jasper St. Pierre + Adel Gadllah + Lionel Landwerlin + Chun-wei Fan + Colin Walters + Emilio Pozuelo Monfort + Hans Petter Jansson + +Cogl 1.16.0 2013-09-23 + + • List of changes since Cogl 1.15.10 + + » MSVC build updates + » Correctly mark CoglAtlasTexture api as public + » Lots of gtk-doc/introspection annotation fixes + + • Gnome Bugzilla bugs closed since 1.15.10: + + #704750 - egl: don't bind the wayland display if the extension is + not available + +Many thanks to: + + Lionel Landwerlin + Robert Bragg + Chun-wei Fan + Giovanni Campagna + Neil Roberts + +Cogl 1.15.10 2013-09-02 + + • List of changes since Cogl 1.15.8 + + » Added API to set the onscreen template on a CoglDisplay outside of + the constructor. + » Added public API to configure the layout of displays when using + the KMS winsys. + » Added a cogl_point_coord builtin variable for snippets which can + be used to render point sprites in more dynamic ways. + » cogl_texture_new_with_size now returns NULL on failure. This + behaviour was accidentally changed in 1.14.0. + » Fixed a problem with setting the precision specifiers on GLES2 + which was causing a lot of problems with the latest Mesa. + » Added a “webgl” driver to manage the differences in GLES2 when + compiling with emscripten. + » Fixed a bug with paths which was causing Clutter's texture-fbo + test to crash. + » Some issues with introspecting the cogl-pango API were fixed. + » Added an example using point sprites. + » Build fixes for building with MinGW32. + » Updates to the MSVC build files. + » Documentation fixes to the snippets API. + + • Gnome Bugzilla bugs closed since 1.15.8: + + #705837 - kms: add public API to override the default configuration + of outputs + +Many thanks to: + + Chun-wei Fan + Robert Bragg + Jasper St. Pierre + Damien Lespiau + Giovanni Campagna + +Cogl 1.15.8 2013-08-20 + + • List of changes since Cogl 1.15.6 + + Brown bag release to fix a problem with including cogl-path.h from + cogl.h that meant only code defining + COGL_ENABLE_EXPERIMENTAL_2_0_API would get access to the CoglPath + API. + + We now ignore whether COGL_ENABLE_EXPERIMENTAL_2_0_API is defined so + clutter which does define it will see the api and so will clutter + users that don't define it. + +Cogl 1.15.6 2013-08-19 + + • List of changes since Cogl 1.15.4 + + » Fixed runtime selection of egl-kms backend + » Split out the CoglPath api in-line with cogl master to reduce + divergence, but updated to not break the 1.x API/ABI + » Reverted the semantic change to cogl_offscreen_new_to_texture to + make it synchronously allocate as it did in cogl-1.14. A + replacement cogl_offscreen_new_with_texture api has been + introduced to support the asynchronous allocation behaviour + required to allow configuration of a framebuffer before + allocation. + » Fixed a problem with binding attribute locations with desktop GL + drivers, required to work with the latest Mesa. + » Some configure.ac documentation fixes + » In cogl-gst we make sure to only emit the "pipeline-ready" signal + once the new textures have actually been uploaded. + » Various MSVC build fixes + + Note: we took some care to try and avoid breaking the ABI and + chaning the soname relative to the last 1.15.4 snapshot. + + • Gnome Bugzilla bugs closed since 1.15.4: + + #703500 - 49 Conform Tests Regressed (FAIL) + #703174 - Crash when switching user with gnome 3.8 using nvidia drivers + #705836 - egl-kms: set the EGL_PLATFORM explicitly + #705591 - SIGSEGV in various conformance tests on wayland + +Many thanks to: + + Chun-wei Fan + Neil Roberts + Robert Bragg + Adel Gadllah + Fan Chun-wei + Giovanni Campagna + Lionel Landwerlin + +Cogl 1.15.4 2013-07-30 + + • List of changes since Cogl 1.15.2 + + » Added experimental API to directly expose atlas textures. + » Added new_from_file/data/bitmap APIs for sliced textures. + » Added new_from_file APIs for 2D textures. + » Added cogl_primitive_draw as a new name for the + cogl_framebuffer_draw_primitive function. + » Removed the attribute drawing APIs. Instead applications should + create a primitive and draw that. + » Fixed bug where Cogl would busy-wait with 100% CPU if the Wayland + compositor is closed. + » The COGL_FRAME_EVENT_SYNC events are now sent based on the frame + callback with the Wayland backend. + » New cogl_gst_video_sink_is_ready() function to determine whether a + Cogl-GST video sink is ready to have the pipeline queried. + » Fixed a potential bug with the blending enabled state when copying + a pipeline. + » Fixed detecting the Mesa vendor when GL 3 is used. + » Fixed a reference leak on the CoglRenderer. + » Fixes to the Visual Studio build files. + +Many thanks to: + + Robert Bragg + Chun-wei Fan + Damien Lespiau + +Cogl 1.15.2 2013-07-09 + + • List of changes since Cogl 1.14.0 + + » Lots of Wayland backend work, including updated compositor support + » Updated cogland, a simple example wayland compositor using Cogl + » Made the onscreen resize callback work the same as the frame callback + » New cogl_onscreen_swap_buffers_with_damage api + » New fence API + » New Emscripten support (only basic at the moment) + » Improved blend state tracking + » New cogl_onscreen_add_dirty_callback() api for window systems + that need to notify application of dirty/damaged regions that must + be redrawn by the application + » Started adding internal unit tests to complement the conformance + tests + » New support for per-vertex point sizes + » New cogl-gst sub-library added enabling gstreamer integration into + Cogl based applications. Notably the design is compatible with + applications adding custom shader snippets to a CoglPipeline that + handles video sampling so application will be able to chain + together shader based affects without requiring intermediate + renderers. + » Adds HSL color conversion apis + » The Conformance test suite can now be installed with a .test file + enabling them to be run by the gnome-desktop-testing-runner for example. + + • Bugzilla bugs closed since 1.14.0: + + #691752 - add fence/sync API + #696730 - Compile failure with 1.14.0 due to extra arg in bitmap functions + #697330 - Fails to build with the gold linker due to missing reference to libm + #699431 - [PATCH] xlib: Don't crash just because the display doesn't expose RANDR + #700088 - compile failure: 'wayland_surface' has incomplete type + #702570 - cogl 1.16: Regression with event propagation in champlain + #702942 - Install conformance tests + #702999 - undefined reference to `wl_buffer_is_shm' + #703553 - Add support for automake 1.14 + +Many thanks to: + + Neil Roberts + Robert Bragg + Andreas Oberritter + Chris Cummins + Damien Lespiau + Emanuele Aina + Plamena Manolova + Roy.Li + Adam Jackson + Daniel Stone + Inaki Larranaga Murgoitio + Lionel Landwerlin + Matthias Clasen + Milo Casagrande + Rico Tzschichholz + Yosef Or Boczko + +Cogl 1.14.0 2013-03-25 + + • List of changes since Cogl 1.13.4 + + » New snippet hook location for adding global definitions that can + be shared amongst other snippets. + » Fixed some cases where it's not possible to reference the builtin + cogl_sampler* uniforms from a snippet. + » Fixes for building on Visual Studio. + » Fixed a problem with the workaround for the viewport bug in Mesa + which could leave a broken scissor when switching between + different sized framebuffers. + » Fix some cases where the depth buffer wouldn't get cleared in + cogl_framebuffer_clear*. + » Fix for leaking pipelines and textures when a pipeline is copied + but all of its layer properties are replaced. + » Fix for interleaving snippets with different hook points. + » The Cogland example Wayland compositor has been updated to the + Wayland 1.0 API. + + • Bugzilla bugs closed since 1.13.4: + + #686770 - _cogl_bitmap_unbind: assertion failed: (bitmap->bound) + for gnome-shell on nexus 7 + #694537 - Fails to compile if the EGL stack doesn't implement + KHR_create_context + #694657 - cogl-buffer: Stop warning spam running in sw rendering + +Many thanks to: + + Chun-wei Fan + Robert Bragg + Gheyret Kenji + Ján Kyselica + Bastien Nocera + Duarte Loreto + Milo Casagrande + Pavol Klačanský + Plamena Manolova + Tomeu Vizoso + +Cogl 1.13.4 2013-02-21 + + • List of changes since Cogl 1.13.2 + + » New CoglOutput API to query information about displays. + » New API for querying frame timing information in a frame callback. + » New API for querying the buffer age of an onscreen framebuffer. + » Fixed building the GLES2 driver without the GL driver. + » Fixed X errors when Cogl is used after an onscreen is destroyed. + » Fixed API used by Clutter-GST to query the number of texture units. + » Fixed the soname for the libcogl-pango2 library + » Fixed building with MinGW32 + + • Bugzilla bugs closed since 1.13.2: + + #669122 - Clipped redraws and tearing + #692420 - Build fails on Mac OS Mountain Lion: + error: 'GL_NUM_EXTENSIONS' undeclared + #693360 - cogl-pango: Fix some doc/introspection comments + #693612 - cogl-pango: wrong rendering on the second line of an + underlined layout + #693696 - Fix startup with gnome-shell and cogl-1.14 + #693894 - COGL_TEST_ONSCREEN=0 results in onscreen conformance testing + #694164 - Don't use GL_MAP_INVALIDATE_RANGE_BIT on READ_BIT buffers + +Many thanks to: + + Robert Bragg + Owen W. Taylor + Jasper St. Pierre + Piotr Drąg + Adam Jackson + Adel Gadllah + Daniel Martinez + Gheyret Kenji + Jerome Glisse + +Cogl 1.13.2 2013-01-21 + + • List of changes since Cogl 1.12.2 + + » Adds support for texture based depth buffers + » Lots of internal re-working to enable non-GL based drivers + » Added a stub, NOP driver that can be useful for profiling + » cogl_texture_rectangle_new_from_foreign() make public + » cogl_debug_matrix_print() debug api added + » Added support for building Cogl without a Glib dependency + (we'd like to support Cogl with emscripten/NaCl with minimal + dependencies) + » Unified a lot of gles 2.0 and gl driver support + » Added OpenGL 3.1 core profile support + » Lots of gtk-doc annotation fixes + » cogl_buffer_map_range() api added + » Improved SDL 2 support + » Added cogl_sdl_onscreen_get_window() api + » Much improved out-of-memory error reporting + » Added support for constant attributes + » Lots of internal work to avoid referencing a global context + » Added a new CoglMatrixStack api + » Enabled lazy texture storage allocation + » Added cogl_texture_allocate() for optional explicit allocation + » Add cogl_texture_set_data() convenience api + » Various fixes for handling sliced texture + » Added cogl_framebuffer_get_depth_bits() api + + • Bugzilla bugs closed since Cogl 1.12.2 + + #685915 - Screenshot API is broken on big-endian + #690891 - Support Automake 1.13 + #691945 - _cogl_unpack_uint{8,16}_t + +Many thanks to: + + Damien Lespiau + Robert Bragg + Neil Roberts + Adel Gadllah + Rico Tzschichholz + +Cogl 1.12.2 2013-01-04 + + • List of changes since Cogl 1.12.0 + + » Lots of MSVC build updates + » Fix GL_ARB_shader_objects terminator mitigating potential crash + » Fix to only allow CoglGLES2 context creation with GLES2 driver + » Use right context when pushing a CoglGLES2 context to an onscreen + » Port to new Wayland 1.0 protocol + » Don't set SDL_GL_DOUBLEBUFFER when the swap chain has no pref + + • Bugzilla bugs closed since Cogl 1.12.0 + + #682071 - MSVC: Link to SDL when apps are built + #684917 - winsys-glx: Don'T attempt to query the vblank counter when + using indirect rendering + #689850 - [PATCH] Fix call to BlendFuncSeparate + +Many thanks to: + + Chun-wei Fan + Neil Roberts + Robert Bragg + Andika Triwidada + Adam Jackson + Alexander Shopov + Aurimas Černius + Ihar Hrachyshka + Marek Černocký + Milo Casagrande + Rafael Ferreira + Rob Bradford + RÅ«dolfs Mazurs + Tom Tryfonidis + Unticha Pramgoed + Мирослав Николић + +Cogl 1.12.0 2012-09-24 + + • List of changes since Cogl 1.11.4 + + » MSVC build updates to fix building with SDL support + » Lots of translation updates + + • List of bugs fixed since Cogl 1.11.6 + + #682071 - Fix Visual C++ build when using the SDL winsys + +Many thanks to: + + Dr.T.Vasudevan + Alexander Shopov + Ani Peter + Ask H. Larsen + Carles Ferrando + Chun-wei Fan + Gil Forcada + Mario Blättermann + Nishio Futoshi + Rajesh Ranjan + Robert Bragg + YunQiang Su + Yuri Myasoedov + +Cogl 1.11.6 2012-09-17 + + • List of changes since Cogl 1.11.4 + + » Support latest libgbm api + » Improve error handling for cogl_texture_2d_new_from_foreign + » Avoid referencing contexts internally so Android + applications can reliably destroy the resources of a context without + us needing to introduce api to break internal circular references. + » More work to reduce our dependence on a global context internally. + » Recognize the latest Mesa GL vendor strings and the "Software + Rasterizer" renderer string. + » Improved cogl-gles2 support by not depending on drivers allowing + multiple vertex shaders in one program which isn't actually meant + to be supported in GLES 2.0 anyway. (We were lucky before because + Mesa happened to allow this but it doesn't work with other vendor + drivers.) + + • List of bugs fixed since Cogl 1.11.4 + + #683414 - memory corruption when freeing layer cache + #683818 - Need to pick up new Mesa strings + #683083 - Fix textures[] index + +Many thanks to: + + Robert Bragg + Neil Roberts + Alban Browaeys + Alexander Larsson + Bruce Cowan + Daniel Stone + Gabor Kelemen + Ihar Hrachyshka + Marek Černocký + Piotr Drąg + +Cogl 1.11.4 2012-09-03 + + • List of changes since Cogl 1.11.2 + + » Fix the pkg-config requires for cogl-gles2 + » Fix where we install cogl-gles2 headers + » Updates for the MSVC build + » Fix texture sub-region uploads when we don't have + GL_EXT_unpack_subimage + » Update the KMS winsys backend to the latest libgbm api + » Fix a leak of primitive indices + » Added a UProf profiling timer around journal discard code + » Enabled UProf profiling support to test-journal + + • List of bugs fixed since Cogl 1.11.2 + + #682340 - Trivial build fix + +Many thanks to: + + Robert Bragg + Chun-wei Fan + Piotr Drąg + Tomeu Vizoso + A S Alam + Andika Triwidada + Aurimas Černius + Duarte Loreto + Fran Diéguez + Krishnababu Krothapalli + Neil Roberts + Nilamdyuti Goswami + Patrick Welche + Sjoerd Simons + Tom Tryfonidis + +Cogl 1.11.2 2012-08-14 + + • List of changes since Cogl 1.10.0 + + » Adds cogl_framebuffer_{fill,stroke}_path APIs consistent with + other Cogl drawing APIs that replace cogl_path_fill/stroke(). + » Switch from using glib types such as guint32/guint16/guint8 to + using equivalent stdint.h types. + » Adds a micro-benchmark for the journal + » Optimized the matrix stack so we can take immutable references + of a matrix stack for logging into the journal more efficiently + than having to copy large matrices for each journaled rectangle. + » Added COGL_VERSION_{MAJOR,MINOR,MICRO} macros and + COGL_VERSION_CHECK macros for applications to test what version + of Cogl they are compiled against. + » Allow creation of non power of two (npot) CoglTexture2D textures + with only basic npot support, not including repeating or mipmap + support. + » Enable use of the GL_STREAM_DRAW buffer update hint on GLES 2.0 + » Fix building Cogl with --disable-gl + » Added support for the WebOS version of SDL which supports access + to GLES 1.1 and GLES 2.0 + » Adds cogl_matrix_init_translation to provide a more efficient + way to initialize a matrix representing a translation without + need to multiply matrices. + » Various documentation fixes for CoglQuaternion and CoglEular + » Updates for the MSVC build + » Added GPU architecture detection capabilities so we can + differentiate drivers based on the hardware vendor, and the + actual architecture of the GPU, such as deferred vs immediate + mode. + » Fix framebuffer initialization to ensure swaps are throttled by + default. + » Fix flushing of the depth state for some cases. + » Ported test-atlas-migration to be a standalone Cogl test + » Added GLES 2.0 API integration support so that existing GLES 2.0 + based code can easily be integrated within Cogl based + applications. For example this is being used by webkit-clutter to + add WebGL support. + » Added an optional libcogl-gles2 sub-library that provides a full + GLES 2.0 api api to really lower the barrier as much as possible + for being able to integrate existing GLES 2.0 based code into + Cogl applications. + » Adds a Cogl GLES 2.0 Gears example application to test the GLES + 2.0 integration support. + » Fix a bug with disabling of Cogl's debugging features. + » Added api to directly convert a Eular to a Quaternion. + » Improve the wireframe debug option to work when a vertex shader + is in use. + » Added support for SDL2 which supports GLES 2.0 + » Support the original GLSL extensions which had some different + function names. + » Avoid using eglGetProcAddress for core symbols which isn't allowed + by the EGL spec and causes problems on Android. + » Adds cogl_android_bitmap_new_from_asset() API to load images from + Android assets. + » Adds support for resizable onscreen framebuffers. + » Avoids implicitly including the EGL headers when including cogl.h + » Adds cogl.conf and environment variables to allow disabling the + use of specific GL extensions; for example if the implementation + is known to be buggy on a given system. + + • List of bugs fixed since Cogl 1.10.0 + + #660617 - Porting of clutter tests + #672533 - Quartz image option causes compile error + #673137 - Grab the current window -> Screenshot is mirrored + #674208 - [PATCH] disable sub-buffer copies on software Mesa + #675119 - unable to build the latest version due to two bugs + #677078 - GLSL detection not working for Intel GMA3150 chipset + #678316 - remove unneeded check for libdrm + #680124 - Quartz Image option , memory not zeroed before loading? + #681285 - Support building with automake 1.12.x + +Many thanks to: + + Neil Roberts + Robert Bragg + Damien Lespiau + Chun-wei Fan + Tomeu Vizoso + Carles Ferrando + Chao-Hsiung Liao + Bruno Brouard + Christian Kirbach + Daniel Mustieles + Fran Diéguez + Gil Forcada + Marek Černocký + Matej Urbančič + Yaron Shahrabani + Мирослав Николић + Adel Gadllah + Alexander Shopov + Andika Triwidada + Antoine Jacoutot + Daniel Nylander + Gabor Kelemen + Hajime Taira + Ihar Hrachyshka + Jordi Serratosa + Kjartan Maraas + Krishnababu Krothapalli + Kristjan SCHMIDT + Luca Bruno + Mario Blättermann + Nilamdyuti Goswami + Rajesh Ranjan + Rico Tzschichholz + RÅ«dolfs Mazurs + Sasi Bhushan Boddepalli + Sjoerd Simons + Stef Walter + Tobias Endrigkeit + Yinghua Wang + fenghelong + Κωνσταντίνος Χόρτης + +Cogl 1.10.0 2012-03-20 + + • List of changes since Cogl 1.9.8 + + » Add cogl_framebuffer_draw_[*_]rectangle functions. These can be + used as a replacement for cogl_rectangle in the 2.0 API to avoid + the global framebuffer stack. + » Fixed flushing the point size with the GL driver when using GLSL. + » Added the missing cogl_is_onscreen and cogl_is_framebuffer functions. + » Added cogl_quaternion_init_from_quaternion and + cogl_quaternion_init_from_matrix to the public headers. + » Make cogl_has_feature available when only + COGL_ENABLE_EXPERIMENTAL_API is defined. + » Add cogl_framebuffer_read_pixels. This is a convenience wrapper + around cogl_framebuffer_read_pixels_into_bitmap to read directly + into an application's buffer. + » Added a public cogl_bitmap_new_for_data function. This can be used + for example to call cogl_framebuffer_read_pixels_into_bitmap to + read directly into an application's buffer with an unusual + rowstride. + » Visual Studio build fixes + » Translation updates + + • List of bugs fixed since Cogl 1.9.8 + + https://bugzilla.gnome.org: + + #669122 - Clipped redraws and tearing + #671984 - cogl glyph cache uses uninitialised variable. + #671985 - cogl matrix stack has a use after realloc + #672038 - Move the fallback define for GL_PACK_INVERT_MESA + #672174 - cogl_path_curve_to second parameter ignored + #672243 - Drive by leak fix when code spelunking + +Many thanks to: + + Chun-wei Fan + Robert Bragg + Dave Airlie + Matej Urbančič + Adam MatouÅ¡ek + Adel Gadllah + Alexander Shopov + Bruce Cowan + Daniel Nylander + Dénes Almási + Duarte Loreto + Enrico Nicoletto + Fran Diéguez + Khoem Sokhem + Nilamdyuti Goswami + Piotr Drąg + Ray Strode + Ryan Lortie + Yuri Myasoedov + 甘霖 + +Cogl 1.9.8 2012-03-05 + + • List of changes since Cogl 1.9.6 + + » Various Visual Studio build fixes + » Correctly check for GL_EXT_packed_depth_stencil and support using + GL_OES_packed_depth_stencil on GLES2 + » Correctly handle pre-multiplied alpha conversions when reading + back texture data. + » Added cogl_renderer_{get,set}_driver functions so the underlying + driver can be chosen programmatically. + » Revamped the conformance testing framework so that it + automatically runs every test against GLES2 as well as GL and also + against all of the pipeline backends and with npot textures + disabled. + » Add a conformance test for reading back an RGBA texture as + alpha-only + » Added support for converting between all of Cogl's supported pixel + formats including pre-multiplied alpha conversions. + » Added conformance tests for converting to and from all of the + supported formats. + » Added a public cogl_framebuffer_read_pixels_into_bitmap() + function which will effective read into a CoglPixelBuffer. + » CoglPixelBuffer was changed to no longer have associated width, + height and format information and instead we will rely on + CoglBitmap to track that informations. The relationship is + analogous how CoglAttributes relate to CoglAttributeBuffers + and means for example that a CoglPixelBuffer could now be used + to hold multiple images. + » Added public cogl_bitmap_get_{width,height,format,rowstride} api + » Added a public accessor for the underlying pixel buffer of a + CoglBitmap. + » Added various missing cast macros for some buffer objects. + » Ported the Clutter based test-pixel-buffer test to be standalone. + + • List of bugs fixed since Cogl 1.9.6 + + https://bugzilla.gnome.org: + + #666184 - framebuffer: Enable a single depth and stencil buffer for GLES + #670793 - Don't use cogl_get_draw_framebuffer when flushing pipeline state + #671016 - INVALID_ENUM errors in gnome-shell + +Many thanks to: + + Neil Roberts + Chun-wei Fan + Daniel Korostil + Martin Srebotnjak + Matej Urbančič + Matic GradiÅ¡er + Мирослав Николић + +Cogl 1.9.6 2012-02-21 + + • List of changes since Cogl 1.9.4 + + » New conformance tests or tests ported from Clutter: + test-offscreen + test-primitive + test-texture-3d + » New public experimental functions: + cogl_pipeline_get_layer_texture + cogl_primitive_copy + cogl_primitive_foreach_attribute + cogl_primitive_get_indices + cogl_pipeline_get_layer_{min,max}_filter + » Added cogl_kms_renderer_get_kms_fd to get the KMS file descriptor. + » Bug fixed in the KMS support where it would crash on cleanup if it + couldn't save the CRTC state. + » Bug fixed in the Wayland compositor support where it would leak + EGLImages when creating a texture from a buffer + » The swap_buffer callback in GLX is now delayed until + cogl_poll_dispatch is called so that apps can handle it more + predictably. + » Fixes for bugs with pipelines that are trying to use a layer with + a NULL texture. + » New cogl_framebuffer_* API for drawing directly to the framebuffer + without having to push the framebuffer. Ideally we want to move + towards this style of API in future with no global stacks. + » Most of the _EXP suffixes have been removed from the experimental + API symbols in the hope that the gtk-doc unstable annotation will + be enough to distinguish these. + » Add a COGL_DEBUG=winsys option + » CoglBuffer and CoglPrimitive now take an explicit CoglContext + argument in their constructor. We want to move towards getting rid + of the global context. + » Updates to the MSVC build support. + » Add cogl_pipeline_set_layer_null_texture(). This can be used for + base pipelines instead of having to create a dummy texture. + » Fix some bugs where Cogl was assuming there is a direct mapping + between the pipeline layer number and the GL texture unit number. + » In snippets, there are now always builtin sampler uniforms for + every layer of the pipeline. This makes it easier to write GLSL + that samples arbitrary units. + » The texture lookup snippet hook now gets passed the sampler for + the unit. The snippet can use this to sample the texture multiple + times. + » Some public constants for CoglPixelFormat have been removed + (COGL_UNPREMULT_MASK, COGL_UNORDERED_MASK and + COGL_PIXEL_FORMAT_{24,32}). + » 30-bit pixel formats added. + » COGL_DEBUG=wireframes now correctly renders primitives using + vertex shader snippets. + » cogl_framebuffer_swap_buffers and friends have been renamed to + cogl_onscreen_swap_buffers. + » If the experimental 2.0 API is requested, as far as possible the + headers for the 1.0 API are no longer included. Define + COGL_ENABLE_EXPERIMENTAL_API instead if you want to mix both APIs. + + • List of bugs fixed since Cogl 1.9.4 + + https://bugzilla.gnome.org: + + #660188 - Color corruption with software rendering at 30-bit color depth + #668385 - Missing G_END_DECLS in cogl-poll.h + #668856 - Do not look for GLES2-only GLSL prototypes on GL + #668913 - The journal for an offscreen doesn't get flushed when + cogl_texture_get_data is called + #669368 - Reading back texture fails with ‘Invalid operation’ + wrong image + #669785 - Build fixes for COGL master (1.9.x) + + • Note the following conformance tests are currently failing with + the GLES2 driver but they were also failing in 1.9.4: + test_cogl_depth_test, test_cogl_sub_texture, test_cogl_texture_3d + +Many thanks to: + + Robert Bragg + Chun-wei Fan + Damien Leone + Emmanuele Bassi + Jasper St. Pierre + Chao-Hsiung Liao + Gheyret Kenji + Ihar Hrachyshka + Kasia Bondarava + Kenneth Nielsen + Kjartan Maraas + Ryan Lortie + +Cogl 1.9.4 2012-01-16 + + • List of changes since Cogl 1.9.2 + + » Visual Studio 2008/2010 project files have landed and are being actively + maintained by Chun-wei Fan + » A basic KMS (Kernel Mode Setting) backend was added so we can run fullscreen + Cogl applications without X11 on Linux. + » EGL platforms can now be selected at runtime. Although we've had the ability + select backends at runtime for a while, up until now all EGL platforms were + part of one monolithic backend and were mutually exclusive so a platform + had to be chosen at build time. + » cogl_matrix_orthographic() was added as a replacement for cogl_matrix_ortho() + since the OpenGL style of arguments for cogl_matrix_ortho() wasn't consistent + with the rest of the Cogl API. + » Experimental cogl_framebuffer_ apis were added for manipulating the + per-framebuffer modelview matrix stack. The aim is for these to replace + apis like cogl_rotate/translate/scale because those apis aren't explicitly + related to a CoglContext which we'd like to avoid so we can remove the + need for a global CoglContext. + » Experimental cogl_framebuffer apis were added for manipulating the + per-framebuffer clip stacks. + » The internal _cogl_framebuffer_flush_state() function was optimized to do + a better job of bailing out when no framebuffer state has changed, and + when state has changed the cost should now scale by the number of changes + made instead of scaling by the total range of framebuffer state that Cogl + tracks. + » Internally we finally removed _cogl_enable() which won't mean much to most + people but makes the maintainers happy. This happened as part of a rework + for how attribute state is flushed when drawing which fixed some problems + with supporting custom attributes and should improve the performance of + flushing attributes too. + » We added an experimental CoglSnippets api aiming to greatly simplify how + developers can incorporate snippets of GLSL code into the pipeline. This is + a feature that has been on the drawing board for a long time so we're + really happy that it's finally here. + + *** We'd really love to see people start to play with the snippets API and + tell us how they get on. The plan is for this API to replace all need for + developers to use the CoglProgram and CoglShader apis which are rather poor + copies of the OpenGL APIs for using GLSL which don't map well to Cogl's + design. *** + + » We've updated Cogl's client side Wayland support + » We've updated Cogl's compositor side Wayland support, including updating the + example cogland compositor. + » We added an SDL window system backend for Cogl, which provides a simple, + portable way to play with Cogl as a standalone graphics API with basic + support for input events available from SDL. See examples/cogl-sdl-hello + to see how that works. + » We added mainloop integration support to Cogl. Since we want to have the + ability to use poll() to block for events from some drivers we have introduced + apis that all Cogl applications are required to use to integrate Cogl + into their mainloop. For applications using a glib mainloop we've provided + a GSource for convenience. + + • List of bugs fixed since Cogl 1.9.2 + + https://bugzilla.gnome.org: + + #650020 - Visual C++ 2008/2010 Project files to compile Cogl and Cogl-Pango + #665190 - The conformance test wrapper scripts don't return an exit code + #665604 - Cogl needs to bind the framebuffer before calling eglSwapBuffers + #665722 - Build Fixes for COGL master branch + #665723 - Conformance tests failed (snippets, pipeline_uniforms) + #667009 - Remove DRM vblank hack + +Many thanks to: + + Neil Roberts + Chun-wei Fan + Rob Bradford + Daniel Mustieles + Fran Diéguez + Aurimas Černius + Javier Jardón + Jorge González + Joshua Lock + Seong-ho, Cho + Tomeu Vizoso + Yinghua Wang + +Cogl 1.9.2 2011-11-23 + + • List of changes since Cogl 1.8.0 + + » Fix a crash while generating ARBfp code with layers containing a + NULL texture. + » Improvements to the mingw-fetch-dependencies script to work + without first needing to find a copy of config.guess. + » Translation updates. + » Ported more conformance tests from Clutter to be standalone Cogl tests. + » Adds experimental support for EXT_discard_framebuffer extension which + is important for good performance on PowerVR graphics hardware + » Adds experimental API to enable clipping to the silhouette of an arbitrary + 2D CoglPrimitive + » Make the CoglTexture2DSliced API directly available as experimental API + » Adds a new feature checking API that's not limited to just 32 features + and also must be passed a CoglContext pointer so it's clear at what point + the features can start to be queried. + » Adds an experimental CoglMetaTexture interface that gives one simple + api for mapping meta-textures that aren't directly understood by the GPU + (such as sliced textures, atlas textures, sub textures) into low level + textures. This interface also gives us a single place to handle repeat + mode fallbacks, supporting clamp-to-edge, repeat and mirrored repeat. + » Make the CoglTextureRectangle API directly available as experimental API + » Adds experimental support for multisampling, which is where the gpu + calculates multiple samples per pixel and the final pixel is a weighted + average of those samples. For example you can expect that multisampling + with 4 samples per pixel would give similar quality to rendering at double + the resolution and then scaling that image down with texture filtering, but + the GPU can often do some tricks such that multisampling is faster than + doing that manually (known as supersampling) + » Make the CoglSubTexture API directly available as experimental API + » Added an n_indices argument to cogl_primitive_set_indices to avoid needing + to always call cogl_primitive_set_n_vertices() after using the api and + to make it less error prone to use the api. + » Ship a standalone cogl-xlib.h that must be included manually for any xlib + specific api because the Xlib headers so many numerous badly namespaced + symbols that it's not desireable to include them unless absolutely + required. + » Updated the Wayland support to work with the latest upstream interfaces. + » Add experimental CoglPipeline API for controlling the backface culling. + » Added a cogl_matrix_transpose() function + » Add experimental support for setting uniforms on a CoglPipeline. This + is in preparation for being able to associate snippets of GLSL that hook + into specific parts of the pipeline. We plan to eventually deprecate + CoglProgram but even in the meantime we would also recommend setting + uniforms on the pipeline now instead of the program. + » Adds experimental cogl_framebuffer_finish() api for explicitly synchonizing + the GPU with the CPU. + + • List of bugs fixed since Cogl 1.8.0 + + https://bugzilla.gnome.org: + + #656755 - Install the examples + #658700 - Bind the locale domain so that gettext actually works + #660184 - Running an X client causes a segfault when using software + rendering + #660387 - test-color-mask fails due to uninitialized texture data + #660617 - Porting of clutter tests + #660986 - memory leak in CoglPipeline::layers_cache + #661019 - Indices don't seem to work + #661174 - Remove inclusion of Xlib headers from Cogl headers + #662184 - Pipeline shaders often fail to link on GLES2 because of different + n_tex_coord_attribs + #662542 - The ARBfp and GLSL pipeline backends sometimes don't flush + uniforms + #663578 - _COGL_RETURN_IF_FAIL sometimes doesn't use glib + #663628 - Make the pipeline backface culling experimental public + +Many thanks too: + Robert Bragg + Neil Roberts + Luca Bruno + Chun-wei Fan + Jorge González + Rob Bradford + Fran Diéguez + Rico Tzschichholz + Yaron Shahrabani + krishnababu k + Damien Leone + Daniel Martinez Cucalon + Daniel Mustieles + Flemming Christensen + Gabor Kelemen + Gil Forcada + Ivaylo Valkov + Jasper St. Pierre + Kjartan Maraas + Matej Urbančič + Muhammet Kara + Nguyễn Thái Ngọc Duy + Nilamdyuti Goswami + Seong-ho, Cho + Simos Xenitellis + Zan Dobersek + +Cogl 1.8.0 2011-09-19 + + • List of changes since Cogl 1.7.8 + + » Started porting Cogl conformance tests from Clutter to be standalone + Cogl tests including tests for depth-state and backface culling. + » Added a new color mask conformance test + » We no longer implicitly define COGL_ENABLE_EXPERIMENTAL_2_0_API in the + cogl-2.0-experimental.pc file cflags because the way pkgconfig works makes + it hard to then consume libraries depending on cogl-2.0-experimental.pc + with Clutter. + » Made progress re-factoring cogl-pipeline.c to be more maintainable by + starting to split the code up into more manageable pieces. + » We now bind the locale dir for the Cogl domain during init + » We now track backface culling state as part of CoglPipeline. + + • List of bugs fixed since Cogl 1.7.8 + + https://bugzilla.gnome.org: + + #656442 - README points to wrong bug product + #658092 - St ::hover transitions don't act as expected + #658333 - Typo in cogl/cogl-display.h + #658700 - Bind the locale domain so that gettext actually works + #659029 - Clipping problem + #659360 - Optimization in _cogl_winsys_onscreen_swap_region causes tearing + +Many thanks too: + Neil Roberts + Matej Urbančič + Abdalrahim G. Fakhouri + Adel Gadllah + Andika Triwidada + Arash Mousavi + Bruce Cowan + Chun-wei Fan + Duarte Loreto + Emmanuele Bassi + I Felix + Ihar Hrachyshka + Ioannis Zamboukas + Laura Balbastre + Luca Ferretti + Manoj Kumar Giri + Muhammet Kara + Rudolfs Mazurs + Tiffany Antopolski + Wolfgang Stöggl + Wouter Bolsterlee + Xandru Armesto + Yinghua Wang + Yuri Myasoedov + Мирослав Николић + +Cogl 1.7.8 2011-09-05 + + • List of changes since Cogl 1.7.6 + + » Getters for the display and renderer associated with context + » Getter for the number of supported texture units during fragment + processing. (ClutterGst needs to know this for example to know if GLSL + based YUV->RGB color space conversion can be used.) + » Optimizations for the GLSL codegen for fragment processing so we can + ignore redundant layers - if for example the "REPLACE" function is used + for layer N then computing anything for previous layers is redundant. Also + if texture combining needs to sample the same texture multiple times we + now re-use the same sample instead of repeating it. + » Optimize texture uploads to a texture atlas on GLES by avoiding lots of + redundant format conversions. + » Relax the requirement to need braces around blend factors when using the + CoglBlendString syntax. Braces are only needed for factors involving a + subtraction like "(1 - SRC_COLOR[A])" + » Adds API for querying the format of a CoglFramebuffer + + • List of bugs fixed since Cogl 1.7.6 + + https://bugzilla.gnome.org: + + #656426 - Improve the generated GLSL code + #656441 - Build failure in examples + #656587 - Outdated FSF Address in code files + #657347 - Retrieve the number of texture image units + #657840 - Atlas-ed bitmaps converted too many times + #656809 - cogl 1.7.6 doesn't compile on Fedora 16/17 + +Many thanks to: + Damien Lespiau + Neil Roberts + Emmanuele Bassi + +Cogl 1.7.6 2011-08-12 +=============================================================================== + + • List of changes since Cogl 1.7.4 + + » Add an experimental cogl_matrix_look_at function + » Fix flipping the y-coordinates for cogl_framebuffer_swap_region + » Automatically allocate framebuffers on first use + » Add experimental cogl_framebuffer_clear functions + » Add a function to get the context given a framebuffer + » Add support for a cogl.conf config file + » Fix using TEXTURE_n as the source for a layer combine + » Some fixes for the WGL backend + » Add experimental API to upload a texture subregion from a CoglBuffer + + • List of bugs fixed since Cogl 1.7.4 + + https://bugzilla.gnome.org: + + #655026 - cogl-pango should not link to systemwide libcogl during make + install + #655216 - egl: Guard the feature discovery of eglCreateImage() + #655228 - Bugs in cogl-quaternion library functions + cogl_quaternion_init_from_array and + cogl_quaternion_get_rotation_axis. + #655355 - Make Cogl master work on EGL/GDL again + #655400 - cogl-pipeline-fragend-arbfp: Initialise template_pipeline + #655412 - Don't use the 'NULL' GModule to resolve GL symbols + #655510 - Access Violation (a.k.a Segfault) in cogl/driver/gl/cogl-gl.c + #655556 - Memory leak in function cogl_polygon in cogl-primitives.c + #655723 - egl-gdl: Silence a gcc warning + #655724 - egl-gdl: Don't generate cogl-display.h + #656303 - Improve cogl-pango's journal usage + #655792 - android: Commit the build.xml file + #655791 - android: Update the hello example to the latest glib-android + API change + +Many thanks to: + Robert Bragg + Damien Lespiau + Chun-wei Fan + Alexandre Rostovtsev + Kirk A. Baker + Philip Withnall + Florian Renaut + +Cogl 1.7.4 2011-07-20 +=============================================================================== + + • List of changes since Cogl 1.7.2 + + » Optimize pipeline unparent operation using embedded lists instead + of using GList API. + » Remove the old matrix operation code we had before pulling in the + mesa based code, and flatten all our matrix utilities back into one + maintainable file. + » Expose cogl_framebuffer_get_red/green/blue/alpha bits to query + the precision for a framebuffer's color channels. + » Numerous reference manual updates + » Fix some memory leaks in CoglPipeline that weren't captured in + bugzilla. + » Fix some EGL winsys issues that weren't captured in bugzilla. + » Switch to dynamically loading libGL, libGLESv2 or libGLES[v1]_CM + at runtime so it's possible to distribute a libcogl that can choose + to work with any of these at runtime. This can simplify packaging + on distros that have numerous packages that provide a platform + specific GL/GLES driver and certainly helps during the development + process when evaluating the pros-and-cons of different drivers for + a given platform. + » Clean up lots of inconsistencies with platform specific APIs, so + we follow the naming convention of cogl__object_method. + » Remove cogl_set_default_context from experimental 2.0 api, since + we are aiming to remove the default context for 2.0 + » Ensure the experimental 2.0 reference manual gets a unique + DOC_MODULE name so that distro's trying to package cogl don't end + up installing the 1.x and 2.0 manuals to the same location + » Add a program cache for the GLSL backend, a bit like we have for + the ARBfp backend. This can be a big boost in performance for some + apps depending on your platform. + » Adds dither_enable getter and setter API for CoglFramebuffer so + that Clutter doesn't need to use the GL API directly when picking. + We need to get to the point where Clutter doesn't need to link + against libGL directly so Clutter can take advantage of runtime + driver selection by Cogl. + » Use MESA_pack_invert extension in cogl_read_pixels to avoid + needing to manually flip pixel data read in bottom-up order to a + top-down order. + » Fix the hello example to actually clear the framebuffer at the + start of the frame instead of unintentionally relying on the driver + to have cleared the framebuffer. + + • List of bugs fixed since Cogl 1.7.2 + + https://bugzilla.gnome.org: + + #652514 - CoglPipeline could embed the list nodes for the + children directly in the CoglPipeline struct + #654440 - _cogl_winsys_context_init crash + #654718 - clutter 1.6.16 compile issues + #654593 - dlopening an unversionaed Shared Object is illegal. + +Many thanks to: + Neil Roberts + Damien Lespiau + Emmanuele Bassi + Takeshi AIHANA + +Cogl 1.7.2 2011-07-01 +=============================================================================== + + • List of changes since Cogl 1.7.0 + + » Add an example program to draw a 3D crate + + » Add experimental API to get and set the viewport on a framebuffer + without going through the implicit context. + + » Add API to select the winsys backend without having to use an + environment variable. + + » Various documentation fixes. + + » Add winsys-specific typesafe APIs to replace the old + cogl_renderer_handle_native_event functions. + + » Rename platform-specific APIs so that we consistently have + cogl__symbol_name instead of cogl_symbol_name_. + + » Fixed building against GLES. + + • List of bugs fixed since Cogl 1.7.0 + + https://bugzilla.gnome.org: + + #652672 - Typo fix in cogl-framebuffer + #653615 - cogl_release_status='snapshot' breaks linking on 64-bit + systems due to namespace conflict with ltoptions.m4 + #653229 - pipeline: Don't regenerate shaders when not changing the + number of layers + #653231 - pipeline: Don't trigger a change when binding the invalid + texture target + +Many thanks to: + Robert Bragg + Adam Jackson + Emmanuele Bassi + +Cogl 1.7.0 2011-06-10 +=============================================================================== + + • List of changes since Clutter 1.6 + + » Cogl split out into a standalone project! + + » Added native winsys backends for GLX, WGL, EGL and Android (Quartz in + progress) + » Supported EGL platforms include: NULL, X11, GDL and Wayland + + » Adds renderer,display,onscreen-template and swap-chain APIs for + writing standalone apps using the experimental 2.0 API + + » Added convenience functions cogl_matrix_view_2d_in_frustum/perspective + for setting up a Clutter style view transform for a 2d coordinate system + inside a projective perspective. + + » Added an experimental Quaternion API + + » Added an experimental Euler API + + » Re-worked the CoglPipeline depth testing state API + + » Added EGL X11 texture-from-pixmap support. + + » Added a tiny Wayland compositor (without input support) under + examples/ + + » Optimizations: + » Optimise paths that are just a rectangle + » Journal: Use a pool of vertex-arrays to avoid allocation costs. + + • List of bugs fixed since Clutter 1.6 + + http://bugzilla.clutter-project.org: + #2538 - crash in gnome-shell + #2544 - Using vertex buffers causes memory corruption when you unref the CoglHandle + #2561 - Updates to COGL sources regarding non-standard code usage + #2588 - Assertion failure in _cogl_pipeline_set_layer_texture_target + #2594 - cogl-clip-state: Adapt to experimental cogl2 API. + #2620 - _cogl_offscreen_new_to_texture_full() leaks reference when failing + + https://bugzilla.gnome.org: + #641197 - mouse events at pixel row zero are ignored + #650966 - CoglPipeline doesn't support any layers on fixed function hardware + #650979 - cogl-pipeline-fragend-fixed: Fix enabling texture targets + #651256 - configure fails for the poor sods who use dash as sh + +Many thanks to: + + Neil Roberts + Emmanuele Bassi + Damien Lespiau + James Athey + Jasper St. Pierre + Piotr Drąg diff --git a/README b/README new file mode 100644 index 0000000..565c24c --- /dev/null +++ b/README @@ -0,0 +1,177 @@ +README for Cogl 1.18.2 +=============================================================================== + +Note: This file is delimited with -- markers so it is possible to split +sections out for other purposes, such as for release notes. + +-- +DESCRIPTION +------------------------------------------------------------------------------- + +Cogl is a small open source library for using 3D graphics hardware for +rendering. The API departs from the flat state machine style of OpenGL and is +designed to make it easy to write orthogonal components that can render without +stepping on each others toes. + +As well as aiming for a nice API, we think having a single library as opposed +to an API specification like OpenGL has a few advantages too; like being +able to paper over the inconsistencies/bugs of different OpenGL +implementations in a centralized place, not to mention the myriad of OpenGL +extensions. It also means we are in a better position to provide utility +APIs that help software developers since they only need to be implemented +once and there is no risk of inconsistency between implementations. + +Having other backends, besides OpenGL, such as drm, Gallium or D3D are +options we are interested in for the future. + +-- +REQUIREMENTS +------------------------------------------------------------------------------- + +Cogl currently only requires: + + • OpenGL ≥ 1.3 (or 1.2 + multitexturing), or OpenGL ES 2.0 (or 1.1) + • GLX, AGL, WGL or an EGL implementation + +Cogl also has optional dependencies: + + • GLib ≥ 2.32.0 + - for gtype integration + • GDK-Pixbuf ≥ 2.0 + - for image loading + • Cairo ≥ 1.10 + - for debugging texture atlasing (debug builds only) + +The optional Cogl Pango library requires: + • Cairo ≥ 1.10 + • PangoCairo ≥ 1.20 + +The optional Cogl GStreamer library requires: + + • GStreamer 1.0 + +On X11, Cogl depends on the following extensions + + • XComposite ≥ 0.4 + • XDamage + • XExt + • XFixes ≥ 3 + +For the Wayland backend, Cogl requires: + • Wayland ≥ 1.0.0 + +When running with OpenGL, Cogl requires at least version 1.3 +or 1.2 with the multitexturing extension. However to build Cogl +you will need the latest GL headers which can be obtained from: + + http://www.khronos.org + +If you are building the API reference you will also need: + + • GTK-Doc ≥ 1.13 + +If you are building the additional documentation you will also need: + + • xsltproc + • jw (optional, for generating PDFs) + +If you are building the Introspection data you will also need: + + • GObject-Introspection ≥ 0.9.5 + +GObject-Introspection is available from: + + git://git.gnome.org/gobject-introspection + +If you want support for profiling Cogl you will also need: + + • UProf ≥ 0.3 + +UProf is available from: + + git://github.com/rib/UProf.git + +-- +DOCUMENTATION +------------------------------------------------------------------------------- + +The 1.x stable API is documented here: + + http://developer.gnome.org/cogl/stable/ + +The 1.x development API is documented here: + + http://developer.gnome.org/cogl/1.18 + +The experimental 2.0 API is documented here: + + http://cogl3d.org/cogl2-reference/ + +-- +LICENSE +------------------------------------------------------------------------------- +Most of Cogl is licensed under the terms of the MIT license. There are +also some files under the SGI Free Software License B, version 2.0, +cogl-point-in-poly.c is under a 3 clause BSD license and stb_image.c +is public domain. Please see individual files for details. + +deps/glib is licensed under the LGPL (please see individual files for +details and deps/glib/COPYING for a copy of the LGPL license) This +code is only referenced when building Cogl with the --enable-standalone +configure option. + +-- +BUILDING AND INSTALLATION +------------------------------------------------------------------------------- + +Please refer to the INSTALL document. + +-- +BUGS +------------------------------------------------------------------------------- + +Please report bugs here: + + http://bugzilla.gnome.org/enter_bug.cgi?product=cogl + +You will need a Bugzilla account. + +Please include the following in bug reports: + + • what system you're running Cogl on; + • which version of Cogl you are using; + • which version of GLib and OpenGL (or OpenGL ES) you are using; + • which video card and which drivers you are using, including output of + glxinfo and xdpyinfo (if applicable); + • how to reproduce the bug. + +If you cannot reproduce the bug with one of the tests that come with +Cogl's source code, it can help a lot to include a small test case +displaying the bad behaviour. + +If the bug exposes a crash, the exact text printed out and a stack trace +obtained using gdb are greatly appreciated. + +-- +CONTRIBUTING +------------------------------------------------------------------------------- + +The CODING_STYLE file describes the coding style we use throughout Cogl, +please try your best to conform to this style because the consistency +really helps keep the code maintainable. + +We can accept contributions in several ways: + • Either as patches attached to bugs on bugzilla + - For this you may be interested in using git-bz. + + See http://git.fishsoup.net/man/git-bz.html for details + • You can email us patches + - For this we recommend using git-send-email + + • You can create a remote branch and ask us to pull from that for more + substantial changes. + - For this we recommend using github. + +Ideally standalone patches should be created using git format-patch since +that makes it easiest to import the patch with a commit message into a +git repository. diff --git a/README.in b/README.in new file mode 100644 index 0000000..5928570 --- /dev/null +++ b/README.in @@ -0,0 +1,177 @@ +README for Cogl @COGL_1_VERSION@ +=============================================================================== + +Note: This file is delimited with -- markers so it is possible to split +sections out for other purposes, such as for release notes. + +-- +DESCRIPTION +------------------------------------------------------------------------------- + +Cogl is a small open source library for using 3D graphics hardware for +rendering. The API departs from the flat state machine style of OpenGL and is +designed to make it easy to write orthogonal components that can render without +stepping on each others toes. + +As well as aiming for a nice API, we think having a single library as opposed +to an API specification like OpenGL has a few advantages too; like being +able to paper over the inconsistencies/bugs of different OpenGL +implementations in a centralized place, not to mention the myriad of OpenGL +extensions. It also means we are in a better position to provide utility +APIs that help software developers since they only need to be implemented +once and there is no risk of inconsistency between implementations. + +Having other backends, besides OpenGL, such as drm, Gallium or D3D are +options we are interested in for the future. + +-- +REQUIREMENTS +------------------------------------------------------------------------------- + +Cogl currently only requires: + + • OpenGL ≥ 1.3 (or 1.2 + multitexturing), or OpenGL ES 2.0 (or 1.1) + • GLX, AGL, WGL or an EGL implementation + +Cogl also has optional dependencies: + + • GLib ≥ @GLIB_REQ_VERSION@ + - for gtype integration + • GDK-Pixbuf ≥ @GDK_PIXBUF_REQ_VERSION@ + - for image loading + • Cairo ≥ @CAIRO_REQ_VERSION@ + - for debugging texture atlasing (debug builds only) + +The optional Cogl Pango library requires: + • Cairo ≥ @CAIRO_REQ_VERSION@ + • PangoCairo ≥ @PANGOCAIRO_REQ_VERSION@ + +The optional Cogl GStreamer library requires: + + • GStreamer 1.0 + +On X11, Cogl depends on the following extensions + + • XComposite ≥ @XCOMPOSITE_REQ_VERSION@ + • XDamage + • XExt + • XFixes ≥ @XFIXES_REQ_VERSION@ + +For the Wayland backend, Cogl requires: + • Wayland ≥ @WAYLAND_REQ_VERSION@ + +When running with OpenGL, Cogl requires at least version 1.3 +or 1.2 with the multitexturing extension. However to build Cogl +you will need the latest GL headers which can be obtained from: + + http://www.khronos.org + +If you are building the API reference you will also need: + + • GTK-Doc ≥ @GTK_DOC_REQ_VERSION@ + +If you are building the additional documentation you will also need: + + • xsltproc + • jw (optional, for generating PDFs) + +If you are building the Introspection data you will also need: + + • GObject-Introspection ≥ @GI_REQ_VERSION@ + +GObject-Introspection is available from: + + git://git.gnome.org/gobject-introspection + +If you want support for profiling Cogl you will also need: + + • UProf ≥ @UPROF_REQ_VERSION@ + +UProf is available from: + + git://github.com/rib/UProf.git + +-- +DOCUMENTATION +------------------------------------------------------------------------------- + +The 1.x stable API is documented here: + + http://developer.gnome.org/cogl/stable/ + +The 1.x development API is documented here: + + http://developer.gnome.org/cogl/1.@COGL_1_MINOR_VERSION@ + +The experimental 2.0 API is documented here: + + http://cogl3d.org/cogl2-reference/ + +-- +LICENSE +------------------------------------------------------------------------------- +Most of Cogl is licensed under the terms of the MIT license. There are +also some files under the SGI Free Software License B, version 2.0, +cogl-point-in-poly.c is under a 3 clause BSD license and stb_image.c +is public domain. Please see individual files for details. + +deps/glib is licensed under the LGPL (please see individual files for +details and deps/glib/COPYING for a copy of the LGPL license) This +code is only referenced when building Cogl with the --enable-standalone +configure option. + +-- +BUILDING AND INSTALLATION +------------------------------------------------------------------------------- + +Please refer to the INSTALL document. + +-- +BUGS +------------------------------------------------------------------------------- + +Please report bugs here: + + http://bugzilla.gnome.org/enter_bug.cgi?product=cogl + +You will need a Bugzilla account. + +Please include the following in bug reports: + + • what system you're running Cogl on; + • which version of Cogl you are using; + • which version of GLib and OpenGL (or OpenGL ES) you are using; + • which video card and which drivers you are using, including output of + glxinfo and xdpyinfo (if applicable); + • how to reproduce the bug. + +If you cannot reproduce the bug with one of the tests that come with +Cogl's source code, it can help a lot to include a small test case +displaying the bad behaviour. + +If the bug exposes a crash, the exact text printed out and a stack trace +obtained using gdb are greatly appreciated. + +-- +CONTRIBUTING +------------------------------------------------------------------------------- + +The CODING_STYLE file describes the coding style we use throughout Cogl, +please try your best to conform to this style because the consistency +really helps keep the code maintainable. + +We can accept contributions in several ways: + • Either as patches attached to bugs on bugzilla + - For this you may be interested in using git-bz. + + See http://git.fishsoup.net/man/git-bz.html for details + • You can email us patches + - For this we recommend using git-send-email + + • You can create a remote branch and ask us to pull from that for more + substantial changes. + - For this we recommend using github. + +Ideally standalone patches should be created using git format-patch since +that makes it easiest to import the patch with a commit message into a +git repository. diff --git a/aclocal.m4 b/aclocal.m4 new file mode 100644 index 0000000..482d0b4 --- /dev/null +++ b/aclocal.m4 @@ -0,0 +1,1724 @@ +# generated automatically by aclocal 1.14.1 -*- Autoconf -*- + +# Copyright (C) 1996-2013 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, +[m4_warning([this file was generated for autoconf 2.69. +You have another version of autoconf. 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See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# PKG_PROG_PKG_CONFIG([MIN-VERSION]) +# ---------------------------------- +AC_DEFUN([PKG_PROG_PKG_CONFIG], +[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) +m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) +m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) +AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) +AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) +AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) + +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=m4_default([$1], [0.9.0]) + AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + PKG_CONFIG="" + fi +fi[]dnl +])# PKG_PROG_PKG_CONFIG + +# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# +# Check to see whether a particular set of modules exists. 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Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AC_SUBST([AMTAR], ['$${TAR-tar}']) + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none' + +m4_if([$1], [v7], + [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'], + + [m4_case([$1], + [ustar], + [# The POSIX 1988 'ustar' format is defined with fixed-size fields. + # There is notably a 21 bits limit for the UID and the GID. In fact, + # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343 + # and bug#13588). + am_max_uid=2097151 # 2^21 - 1 + am_max_gid=$am_max_uid + # The $UID and $GID variables are not portable, so we need to resort + # to the POSIX-mandated id(1) utility. Errors in the 'id' calls + # below are definitely unexpected, so allow the users to see them + # (that is, avoid stderr redirection). + am_uid=`id -u || echo unknown` + am_gid=`id -g || echo unknown` + AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format]) + if test $am_uid -le $am_max_uid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi + AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format]) + if test $am_gid -le $am_max_gid; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + _am_tools=none + fi], + + [pax], + [], + + [m4_fatal([Unknown tar format])]) + + AC_MSG_CHECKING([how to create a $1 tar archive]) + + # Go ahead even if we have the value already cached. We do so because we + # need to set the values for the 'am__tar' and 'am__untar' variables. + _am_tools=${am_cv_prog_tar_$1-$_am_tools} + + for _am_tool in $_am_tools; do + case $_am_tool in + gnutar) + for _am_tar in tar gnutar gtar; do + AM_RUN_LOG([$_am_tar --version]) && break + done + am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"' + am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"' + am__untar="$_am_tar -xf -" + ;; + plaintar) + # Must skip GNU tar: if it does not support --format= it doesn't create + # ustar tarball either. + (tar --version) >/dev/null 2>&1 && continue + am__tar='tar chf - "$$tardir"' + am__tar_='tar chf - "$tardir"' + am__untar='tar xf -' + ;; + pax) + am__tar='pax -L -x $1 -w "$$tardir"' + am__tar_='pax -L -x $1 -w "$tardir"' + am__untar='pax -r' + ;; + cpio) + am__tar='find "$$tardir" -print | cpio -o -H $1 -L' + am__tar_='find "$tardir" -print | cpio -o -H $1 -L' + am__untar='cpio -i -H $1 -d' + ;; + none) + am__tar=false + am__tar_=false + am__untar=false + ;; + esac + + # If the value was cached, stop now. We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works. + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar /dev/null 2>&1 && break + fi + done + rm -rf conftest.dir + + AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) + AC_MSG_RESULT([$am_cv_prog_tar_$1])]) + +AC_SUBST([am__tar]) +AC_SUBST([am__untar]) +]) # _AM_PROG_TAR + +m4_include([build/autotools/acglib.m4]) +m4_include([build/autotools/as-compiler-flag.m4]) +m4_include([build/autotools/as-glibconfig.m4]) +m4_include([build/autotools/as-linguas.m4]) +m4_include([build/autotools/gettext.m4]) +m4_include([build/autotools/gtk-doc.m4]) +m4_include([build/autotools/iconv.m4]) +m4_include([build/autotools/intlmacosx.m4]) +m4_include([build/autotools/lib-ld.m4]) +m4_include([build/autotools/lib-link.m4]) +m4_include([build/autotools/lib-prefix.m4]) +m4_include([build/autotools/libtool.m4]) +m4_include([build/autotools/ltoptions.m4]) +m4_include([build/autotools/ltsugar.m4]) +m4_include([build/autotools/ltversion.m4]) +m4_include([build/autotools/lt~obsolete.m4]) +m4_include([build/autotools/nls.m4]) +m4_include([build/autotools/po.m4]) +m4_include([build/autotools/progtest.m4]) +# Configure paths for GLIB +# Owen Taylor 1997-2001 + +dnl AM_PATH_GLIB_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]]) +dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject, +dnl gthread, or gio is specified in MODULES, pass to pkg-config +dnl +AC_DEFUN([AM_PATH_GLIB_2_0], +[dnl +dnl Get the cflags and libraries from pkg-config +dnl +AC_ARG_ENABLE(glibtest, [ --disable-glibtest do not try to compile and run a test GLIB program], + , enable_glibtest=yes) + + pkg_config_args=glib-2.0 + for module in . $4 + do + case "$module" in + gmodule) + pkg_config_args="$pkg_config_args gmodule-2.0" + ;; + gmodule-no-export) + pkg_config_args="$pkg_config_args gmodule-no-export-2.0" + ;; + gobject) + pkg_config_args="$pkg_config_args gobject-2.0" + ;; + gthread) + pkg_config_args="$pkg_config_args gthread-2.0" + ;; + gio*) + pkg_config_args="$pkg_config_args $module-2.0" + ;; + esac + done + + PKG_PROG_PKG_CONFIG([0.16]) + + no_glib="" + + if test "x$PKG_CONFIG" = x ; then + no_glib=yes + PKG_CONFIG=no + fi + + min_glib_version=ifelse([$1], ,2.0.0,$1) + AC_MSG_CHECKING(for GLIB - version >= $min_glib_version) + + if test x$PKG_CONFIG != xno ; then + ## don't try to run the test against uninstalled libtool libs + if $PKG_CONFIG --uninstalled $pkg_config_args; then + echo "Will use uninstalled version of GLib found in PKG_CONFIG_PATH" + enable_glibtest=no + fi + + if $PKG_CONFIG --atleast-version $min_glib_version $pkg_config_args; then + : + else + no_glib=yes + fi + fi + + if test x"$no_glib" = x ; then + GLIB_GENMARSHAL=`$PKG_CONFIG --variable=glib_genmarshal glib-2.0` + GOBJECT_QUERY=`$PKG_CONFIG --variable=gobject_query glib-2.0` + GLIB_MKENUMS=`$PKG_CONFIG --variable=glib_mkenums glib-2.0` + GLIB_COMPILE_RESOURCES=`$PKG_CONFIG --variable=glib_compile_resources gio-2.0` + + GLIB_CFLAGS=`$PKG_CONFIG --cflags $pkg_config_args` + GLIB_LIBS=`$PKG_CONFIG --libs $pkg_config_args` + glib_config_major_version=`$PKG_CONFIG --modversion glib-2.0 | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` + glib_config_minor_version=`$PKG_CONFIG --modversion glib-2.0 | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` + glib_config_micro_version=`$PKG_CONFIG --modversion glib-2.0 | \ + sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` + if test "x$enable_glibtest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $GLIB_CFLAGS" + LIBS="$GLIB_LIBS $LIBS" +dnl +dnl Now check if the installed GLIB is sufficiently new. (Also sanity +dnl checks the results of pkg-config to some extent) +dnl + rm -f conf.glibtest + AC_TRY_RUN([ +#include +#include +#include + +int +main () +{ + unsigned int major, minor, micro; + + fclose (fopen ("conf.glibtest", "w")); + + if (sscanf("$min_glib_version", "%u.%u.%u", &major, &minor, µ) != 3) { + printf("%s, bad version string\n", "$min_glib_version"); + exit(1); + } + + if ((glib_major_version != $glib_config_major_version) || + (glib_minor_version != $glib_config_minor_version) || + (glib_micro_version != $glib_config_micro_version)) + { + printf("\n*** 'pkg-config --modversion glib-2.0' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", + $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version, + glib_major_version, glib_minor_version, glib_micro_version); + printf ("*** was found! If pkg-config was correct, then it is best\n"); + printf ("*** to remove the old version of GLib. You may also be able to fix the error\n"); + printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); + printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); + printf("*** required on your system.\n"); + printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n"); + printf("*** to point to the correct configuration files\n"); + } + else if ((glib_major_version != GLIB_MAJOR_VERSION) || + (glib_minor_version != GLIB_MINOR_VERSION) || + (glib_micro_version != GLIB_MICRO_VERSION)) + { + printf("*** GLIB header files (version %d.%d.%d) do not match\n", + GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION); + printf("*** library (version %d.%d.%d)\n", + glib_major_version, glib_minor_version, glib_micro_version); + } + else + { + if ((glib_major_version > major) || + ((glib_major_version == major) && (glib_minor_version > minor)) || + ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro))) + { + return 0; + } + else + { + printf("\n*** An old version of GLIB (%u.%u.%u) was found.\n", + glib_major_version, glib_minor_version, glib_micro_version); + printf("*** You need a version of GLIB newer than %u.%u.%u. The latest version of\n", + major, minor, micro); + printf("*** GLIB is always available from ftp://ftp.gtk.org.\n"); + printf("***\n"); + printf("*** If you have already installed a sufficiently new version, this error\n"); + printf("*** probably means that the wrong copy of the pkg-config shell script is\n"); + printf("*** being found. The easiest way to fix this is to remove the old version\n"); + printf("*** of GLIB, but you can also set the PKG_CONFIG environment to point to the\n"); + printf("*** correct copy of pkg-config. (In this case, you will have to\n"); + printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); + printf("*** so that the correct libraries are found at run-time))\n"); + } + } + return 1; +} +],, no_glib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + if test "x$no_glib" = x ; then + AC_MSG_RESULT(yes (version $glib_config_major_version.$glib_config_minor_version.$glib_config_micro_version)) + ifelse([$2], , :, [$2]) + else + AC_MSG_RESULT(no) + if test "$PKG_CONFIG" = "no" ; then + echo "*** A new enough version of pkg-config was not found." + echo "*** See http://www.freedesktop.org/software/pkgconfig/" + else + if test -f conf.glibtest ; then + : + else + echo "*** Could not run GLIB test program, checking why..." + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $GLIB_CFLAGS" + LIBS="$LIBS $GLIB_LIBS" + AC_TRY_LINK([ +#include +#include +], [ return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding GLIB or finding the wrong" + echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ], + [ echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occured. This usually means GLIB is incorrectly installed."]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + GLIB_CFLAGS="" + GLIB_LIBS="" + GLIB_GENMARSHAL="" + GOBJECT_QUERY="" + GLIB_MKENUMS="" + GLIB_COMPILE_RESOURCES="" + ifelse([$3], , :, [$3]) + fi + AC_SUBST(GLIB_CFLAGS) + AC_SUBST(GLIB_LIBS) + AC_SUBST(GLIB_GENMARSHAL) + AC_SUBST(GOBJECT_QUERY) + AC_SUBST(GLIB_MKENUMS) + AC_SUBST(GLIB_COMPILE_RESOURCES) + rm -f conf.glibtest +]) + +dnl -*- mode: autoconf -*- +dnl Copyright 2009 Johan Dahlin +dnl +dnl This file is free software; the author(s) gives unlimited +dnl permission to copy and/or distribute it, with or without +dnl modifications, as long as this notice is preserved. +dnl + +# serial 1 + +m4_define([_GOBJECT_INTROSPECTION_CHECK_INTERNAL], +[ + AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first + AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first + AC_BEFORE([LT_INIT],[$0])dnl setup libtool first + + dnl enable/disable introspection + m4_if([$2], [require], + [dnl + enable_introspection=yes + ],[dnl + AC_ARG_ENABLE(introspection, + AS_HELP_STRING([--enable-introspection[=@<:@no/auto/yes@:>@]], + [Enable introspection for this build]),, + [enable_introspection=auto]) + ])dnl + + AC_MSG_CHECKING([for gobject-introspection]) + + dnl presence/version checking + AS_CASE([$enable_introspection], + [no], [dnl + found_introspection="no (disabled, use --enable-introspection to enable)" + ],dnl + [yes],[dnl + PKG_CHECK_EXISTS([gobject-introspection-1.0],, + AC_MSG_ERROR([gobject-introspection-1.0 is not installed])) + PKG_CHECK_EXISTS([gobject-introspection-1.0 >= $1], + found_introspection=yes, + AC_MSG_ERROR([You need to have gobject-introspection >= $1 installed to build AC_PACKAGE_NAME])) + ],dnl + [auto],[dnl + PKG_CHECK_EXISTS([gobject-introspection-1.0 >= $1], found_introspection=yes, found_introspection=no) + dnl Canonicalize enable_introspection + enable_introspection=$found_introspection + ],dnl + [dnl + AC_MSG_ERROR([invalid argument passed to --enable-introspection, should be one of @<:@no/auto/yes@:>@]) + ])dnl + + AC_MSG_RESULT([$found_introspection]) + + INTROSPECTION_SCANNER= + INTROSPECTION_COMPILER= + INTROSPECTION_GENERATE= + INTROSPECTION_GIRDIR= + INTROSPECTION_TYPELIBDIR= + if test "x$found_introspection" = "xyes"; then + INTROSPECTION_SCANNER=`$PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0` + INTROSPECTION_COMPILER=`$PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0` + INTROSPECTION_GENERATE=`$PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0` + INTROSPECTION_GIRDIR=`$PKG_CONFIG --variable=girdir gobject-introspection-1.0` + INTROSPECTION_TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)" + INTROSPECTION_CFLAGS=`$PKG_CONFIG --cflags gobject-introspection-1.0` + INTROSPECTION_LIBS=`$PKG_CONFIG --libs gobject-introspection-1.0` + INTROSPECTION_MAKEFILE=`$PKG_CONFIG --variable=datadir gobject-introspection-1.0`/gobject-introspection-1.0/Makefile.introspection + fi + AC_SUBST(INTROSPECTION_SCANNER) + AC_SUBST(INTROSPECTION_COMPILER) + AC_SUBST(INTROSPECTION_GENERATE) + AC_SUBST(INTROSPECTION_GIRDIR) + AC_SUBST(INTROSPECTION_TYPELIBDIR) + AC_SUBST(INTROSPECTION_CFLAGS) + AC_SUBST(INTROSPECTION_LIBS) + AC_SUBST(INTROSPECTION_MAKEFILE) + + AM_CONDITIONAL(HAVE_INTROSPECTION, test "x$found_introspection" = "xyes") +]) + + +dnl Usage: +dnl GOBJECT_INTROSPECTION_CHECK([minimum-g-i-version]) + +AC_DEFUN([GOBJECT_INTROSPECTION_CHECK], +[ + _GOBJECT_INTROSPECTION_CHECK_INTERNAL([$1]) +]) + +dnl Usage: +dnl GOBJECT_INTROSPECTION_REQUIRE([minimum-g-i-version]) + + +AC_DEFUN([GOBJECT_INTROSPECTION_REQUIRE], +[ + _GOBJECT_INTROSPECTION_CHECK_INTERNAL([$1], [require]) +]) + diff --git a/build/Makefile-msvcproj.mak b/build/Makefile-msvcproj.mak new file mode 100644 index 0000000..6640a70 --- /dev/null +++ b/build/Makefile-msvcproj.mak @@ -0,0 +1,56 @@ +# Centralized autotools file +# To create the Visual C++ projects +# from the templates +# Author: Fan, Chun-wei +# August 30, 2012 + +# Required Items to call this: +# MSVC_PROJECT: name of project +# MSVC_PROJECT_SRCDIR: subdir of source tree where sources for this project is found +# MSVC_PROJECT_SRCS: source files to build +# MSVC_PROJECT_EXCLUDES: source files to exclude from MSVC_PROJECT_SRCS, use dummy if none, +# wildcards (*) are allowed, seperated by | +# DISTCLEANFILES: Define an empty one if not previously defined + +# Create the complete Visual C++ 2008/2010 project files + +$(top_builddir)/build/win32/vs9/$(MSVC_PROJECT).vcproj: $(top_srcdir)/build/win32/vs9/$(MSVC_PROJECT).vcprojin + for F in `echo $(MSVC_PROJECT_SRCS) | sed 's/\.\///g' | tr '/' '\\'`; do \ + case $$F in \ + $(MSVC_PROJECT_EXCLUDES)) \ + ;; \ + *.c) echo ' ' \ + ;; \ + esac; \ + done | sort -u >$(MSVC_PROJECT).sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs9/$(MSVC_PROJECT).vcprojin >$@ + rm $(MSVC_PROJECT).sourcefiles + +$(top_builddir)/build/win32/vs10/$(MSVC_PROJECT).vcxproj: $(top_srcdir)/build/win32/vs10/$(MSVC_PROJECT).vcxprojin + for F in `echo $(MSVC_PROJECT_SRCS) | sed 's/\.\///g' | tr '/' '\\'`; do \ + case $$F in \ + $(MSVC_PROJECT_EXCLUDES)) \ + ;; \ + *.c) echo ' ' \ + ;; \ + esac; \ + done | sort -u >$(MSVC_PROJECT).vs10.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/$(MSVC_PROJECT).vcxprojin >$@ + rm $(MSVC_PROJECT).vs10.sourcefiles + +$(top_builddir)/build/win32/vs10/$(MSVC_PROJECT).vcxproj.filters: $(top_srcdir)/build/win32/vs10/$(MSVC_PROJECT).vcxproj.filtersin + for F in `echo $(MSVC_PROJECT_SRCS) | sed 's/\.\///g' | tr '/' '\\'`; do \ + case $$F in \ + $(MSVC_PROJECT_EXCLUDES)) \ + ;; \ + *.c) echo ' Source Files' \ + ;; \ + esac; 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installcheck installcheck-am installdirs \ + installdirs-am maintainer-clean maintainer-clean-generic \ + mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \ + ps ps-am tags tags-am uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/build/autotools/Makefile.am.enums b/build/autotools/Makefile.am.enums new file mode 100644 index 0000000..d3dc742 --- /dev/null +++ b/build/autotools/Makefile.am.enums @@ -0,0 +1,51 @@ +# Rules for generating enumeration types using glib-mkenums +# +# Define: +# glib_enum_h = header template file +# glib_enum_c = source template file +# glib_enum_headers = list of headers to parse +# +# before including Makefile.am.enums. You will also need to have +# the following targets already defined: +# +# CLEANFILES +# DISTCLEANFILES +# BUILT_SOURCES +# EXTRA_DIST +# +# Author: Emmanuele Bassi + +# Basic sanity checks +$(if $(GLIB_MKENUMS),,$(error Need to define GLIB_MKENUMS)) + +$(if $(or $(glib_enum_h), \ + $(glib_enum_c)),, \ + $(error Need to define glib_enum_h and glib_enum_c)) + +$(if $(glib_enum_headers),,$(error Need to define glib_enum_headers)) + +enum_tmpl_h=$(addprefix $(srcdir)/, $(glib_enum_h:.h=.h.in)) +enum_tmpl_c=$(addprefix $(srcdir)/, $(glib_enum_c:.c=.c.in)) + +CLEANFILES += stamp-enum-types +DISTCLEANFILES += $(glib_enum_h) $(glib_enum_c) +BUILT_SOURCES += $(glib_enum_h) $(glib_enum_c) +EXTRA_DIST += $(enum_tmpl_h) $(enum_tmpl_c) + +stamp-enum-types: $(glib_enum_headers) $(enum_tmpl_h) + $(AM_V_GEN)$(GLIB_MKENUMS) \ + --template $(enum_tmpl_h) \ + $(glib_enum_headers) > xgen-eh \ + && (cmp -s xgen-eh $(glib_enum_h) || cp -f xgen-eh $(glib_enum_h)) \ + && rm -f xgen-eh \ + && echo timestamp > $(@F) + +$(glib_enum_h): stamp-enum-types + @true + +$(glib_enum_c): $(glib_enum_headers) $(glib_enum_h) $(enum_tmpl_c) + $(AM_V_GEN)$(GLIB_MKENUMS) \ + --template $(enum_tmpl_c) \ + $(glib_enum_headers) > xgen-ec \ + && cp -f xgen-ec $(glib_enum_c) \ + && rm -f xgen-ec diff --git a/build/autotools/Makefile.am.release b/build/autotools/Makefile.am.release new file mode 100644 index 0000000..bb3a8ef --- /dev/null +++ b/build/autotools/Makefile.am.release @@ -0,0 +1,163 @@ +# To make real stable releases or devel snapshots, use either: +# make release-check +# or make release-publish + +TAR_OPTIONS = --owner=0 --group=0 + +RELEASE_URL_BASE = http://download.gnome.org/sources/cogl +RELEASE_URL = $(RELEASE_URL_BASE)/$(COGL_1_MAJOR_VERSION).$(COGL_1_MINOR_VERSION) + +RELEASE_ANNOUNCE_LIST = cogl@lists.freedesktop.org +RELEASE_ANNOUNCE_CC = gnome-announce-list@gnome.org clutter-announce@clutter-project.org + +tar_file = $(distdir).tar.xz +sha256_file = $(distdir).sha256sum + +$(sha256_file): $(tar_file) + $(AM_V_GEN)sha256sum $^ > $@ + +release-tag: + @if test "x$(COGL_RELEASE_STATUS)" = "xgit"; then \ + echo "Cannot tag a Git version; please, update the Cogl version" >&2; \ + else \ + if test -d "$(top_srcdir)/.git"; then \ + echo "Tagging release $(COGL_1_VERSION)..." ; \ + $(top_srcdir)/build/missing --run git tag \ + -s \ + -m "Cogl $(COGL_1_VERSION) ($(COGL_RELEASE_STATUS))" \ + $(COGL_1_VERSION) ; \ + else \ + echo A git checkout is required to tag a release >&2; \ + fi \ + fi + +release-check: release-verify-even-micro release-verify-news + TAR_OPTIONS="$(TAR_OPTIONS)" $(MAKE) $(AM_MAKEFLAGS) distcheck + +release-verify-news: + @echo -n "Checking that the NEWS file has been updated..." + @if ! grep -q "$(COGL_1_VERSION)" $(top_srcdir)/NEWS; then \ + (echo "Ouch." && \ + echo "The version in the NEWS file does not match $(COGL_1_VERSION)." && \ + echo "This probably means you haven't updated the NEWS file." && \ + false); else :; fi + @echo "Good." + +release-verify-even-micro: + @echo -n "Checking that $(VERSION) has an even micro component..." + @test "$(COGL_1_MICRO_VERSION)" = "`echo $(COGL_1_MICRO_VERSION)/2*2 | bc`" || \ + (echo "Ouch." && \ + echo "The version micro component '$(COGL_1_MICRO_VERSION)' is not an even number." && \ + echo "The version in configure.ac must be incremented before a new release." && \ + false) + @echo "Good." + +release-upload: $(sha256_file) + @echo "Uploading to master.gnome.org..." + @scp $(tar_file) master.gnome.org: + @echo "Running ftpadmin install..." + @ssh master.gnome.org ftpadmin install $(tar_file) + @mv -f $(sha256_file) $(top_builddir)/build/$(sha256_file) + @echo "Done." + +release-message: + @echo " Release URL: $(RELEASE_URL)/$(tar_file)" + @echo "Release checksum: $(RELEASE_URL)/$(sha256_file)" + @echo "Send an email to: $(RELEASE_ANNOUNCE_LIST)" + @echo " Cc: $(RELEASE_ANNOUNCE_CC)" + @echo " Subject: Release Cogl $(COGL_1_VERSION) ($(COGL_RELEASE_STATUS))" + @echo " Contents:" + @csplit -q --prefix=.README-section- $(top_builddir)/README '/^--$$/' '{*}' + @csplit -q --prefix=.NEWS-section- NEWS '/^Cogl/' '{*}' + @echo "--- CUT HERE ---" + @echo "Good news, everyone!" + @echo "" + @echo "A new Cogl $(COGL_RELEASE_STATUS) ($(COGL_1_VERSION)) is now available:" + @echo "" + @echo "LATEST NEWS" + @echo "-------------------------------------------------------------------------------" + @echo "" + @cat .NEWS-section-01 + @echo "FETCHING THE RELEASE" + @echo "-------------------------------------------------------------------------------" + @echo "" + @echo "Tarballs can be downloaded from:" + @echo "" + @echo " http://download.gnome.org/sources/cogl/1.$(COGL_1_MINOR_VERSION)/" + @echo "" + @echo "SHA256 Checksum:" + @echo "" + @cat $(top_builddir)/build/$(sha256_file) + @echo "" + @echo "Additionally, a git clone of the source tree:" + @echo " git clone git://git.gnome.org/cogl" + @echo "" + @echo "will include a signed $(COGL_1_VERSION) tag which points to a commit named:" + @echo " `git cat-file tag $(COGL_1_VERSION) | $(GREP) ^object | $(SED) -e 's,object ,,'`" + @echo "" + @echo "which can be verified with:" + @echo " git verify-tag $(COGL_1_VERSION)" + @echo "" + @echo "and can be checked out with a command such as:" + @echo " git checkout -b build $(COGL_1_VERSION)" + @echo "" + @tail -n +2 .README-section-01 + @echo "" + @tail -n +2 .README-section-02 + @echo "" + @echo "" + @echo "DOCUMENTATION" + @echo "-------------------------------------------------------------------------------" + @echo "" + @echo "The 1.x stable API is documented here:" + @echo " http://developer.gnome.org/cogl/stable/" + @echo "The 1.x development API is documented here:" + @echo " http://developer.gnome.org/cogl/1.$(COGL_1_MINOR_VERSION)" + @echo "The experimental 2.0 API is documented here:" + @echo " http://cogl3d.org/cogl2-reference/" + @echo "" + @echo "" + @echo "RELEASE NOTES" + @echo "-------------------------------------------------------------------------------" + @if test "x$(COGL_RELEASE_STATUS)" = "xsnapshot"; then \ + echo " - This is a development snapshot release so there are not API or ABI stability"; \ + echo " guarantees at this point for new APIs since the last stable release."; \ + echo ""; \ + fi + @echo " - This Cogl release exports a 1.x API (For third-party Clutter" + @echo " developers to write custom actors) and an experimental 2.0 API which" + @echo " allows standalone application development." + @echo "" + @echo " - Internally Clutter depends on the Cogl 2.0 experimental API so we maintain" + @echo " runtime compatibility between the 1.x API and experimental 2.0 APIs, which" + @echo " means developers can mix-and-match their use of the APIs in the same" + @echo " process. API selection is done per-file by including a line like: '#define" + @echo " COGL_ENABLE_EXPERIMENTAL_2_0_API' before including cogl.h or clutter.h." + @echo "" + @echo " - We recommend using the 2.0 API if you don't mind updating your code once in" + @echo " a while as this API evolves and stabilizes. We promise not to break the 2.0" + @echo " API during a 1.x stable cycle and hope that will encourage people to" + @echo " experiment with it and give critical feedback! For example after releasing" + @echo " 1.8, the 2.0 API will be stable for 1.8.1, 1.8.2, 1.8.3 etc, but may update" + @echo " for 1.9/1.10." + @echo "" + @echo " - Because we export the 1.x and 2.0 APIs from one libcogl.so the library" + @echo " versioning, and thus ABI, can only be considered as stable as our 2.0 API - " + @echo " i.e. during a stable release 1.x cycle." + @echo "" + @echo " - Please report bugs using the Cogl Bugzilla product, at:" + @echo " http://bugzilla.gnome.org/enter_bug.cgi?product=cogl" + @echo "--- CUT HERE ---" + +release-publish: release-check + $(MAKE) $(AM_MAKEFLAGS) release-tag + $(MAKE) $(AM_MAKEFLAGS) release-upload + $(MAKE) $(AM_MAKEFLAGS) release-message + +.PHONY: \ + release-check \ + release-message \ + release-publish \ + release-tag \ + release-upload \ + release-verify-even-micro diff --git a/build/autotools/Makefile.am.silent b/build/autotools/Makefile.am.silent new file mode 100644 index 0000000..ca46592 --- /dev/null +++ b/build/autotools/Makefile.am.silent @@ -0,0 +1,19 @@ +# custom rules for quiet builds + +QUIET_GEN = $(AM_V_GEN) + +QUIET_LN = $(QUIET_LN_$(V)) +QUIET_LN_ = $(QUIET_LN_$(AM_DEFAULT_VERBOSITY)) +QUIET_LN_0 = @echo ' LN '$@; + +QUIET_RM = $(QUIET_RM_$(V)) +QUIET_RM_ = $(QUIET_RM_$(AM_DEFAULT_VERBOSITY)) +QUIET_RM_0 = @echo ' RM '$@; + +QUIET_SCAN = $(QUIET_SCAN_$(V)) +QUIET_SCAN_ = $(QUIET_SCAN_$(AM_DEFAULT_VERBOSITY)) +QUIET_SCAN_0 = @echo ' GISCAN '$@; + +QUIET_COMP = $(QUIET_COMP_$(V)) +QUIET_COMP_ = $(QUIET_COMP_$(AM_DEFAULT_VERBOSITY)) +QUIET_COMP_0 = @echo ' GICOMP '$@; diff --git a/build/autotools/acglib.m4 b/build/autotools/acglib.m4 new file mode 100644 index 0000000..4778bfa --- /dev/null +++ b/build/autotools/acglib.m4 @@ -0,0 +1,131 @@ +## Portability defines that help interoperate with classic and modern autoconfs +ifdef([AC_TR_SH],[ +define([GLIB_TR_SH],[AC_TR_SH([$1])]) +define([GLIB_TR_CPP],[AC_TR_CPP([$1])]) +], [ +define([GLIB_TR_SH], + [patsubst(translit([[$1]], [*+], [pp]), [[^a-zA-Z0-9_]], [_])]) +define([GLIB_TR_CPP], + [patsubst(translit([[$1]], + [*abcdefghijklmnopqrstuvwxyz], + [PABCDEFGHIJKLMNOPQRSTUVWXYZ]), + [[^A-Z0-9_]], [_])]) +]) + +# GLIB_AC_DIVERT_BEFORE_HELP(STUFF) +# --------------------------------- +# Put STUFF early enough so that they are available for $ac_help expansion. +# Handle both classic (<= v2.13) and modern autoconf +AC_DEFUN([GLIB_AC_DIVERT_BEFORE_HELP], +[ifdef([m4_divert_text], [m4_divert_text([NOTICE],[$1])], + [ifdef([AC_DIVERT], [AC_DIVERT([NOTICE],[$1])], + [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl +$1 +AC_DIVERT_POP()])])]) + +dnl GLIB_IF_VAR_EQ (ENV_VAR, VALUE [, EQUALS_ACTION] [, ELSE_ACTION]) +AC_DEFUN([GLIB_IF_VAR_EQ],[ + case "$[$1]" in + "[$2]"[)] + [$3] + ;; + *[)] + [$4] + ;; + esac +]) +dnl GLIB_STR_CONTAINS (SRC_STRING, SUB_STRING [, CONTAINS_ACTION] [, ELSE_ACTION]) +AC_DEFUN([GLIB_STR_CONTAINS],[ + case "[$1]" in + *"[$2]"*[)] + [$3] + ;; + *[)] + [$4] + ;; + esac +]) +dnl GLIB_ADD_TO_VAR (ENV_VARIABLE, CHECK_STRING, ADD_STRING) +AC_DEFUN([GLIB_ADD_TO_VAR],[ + GLIB_STR_CONTAINS($[$1], [$2], [$1]="$[$1]", [$1]="$[$1] [$3]") +]) + +# GLIB_SIZEOF (INCLUDES, TYPE, ALIAS) +# --------------------------------------------------------------- +# The definition here is based of that of AC_CHECK_SIZEOF +AC_DEFUN([GLIB_SIZEOF], +[AS_LITERAL_IF([$3], [], + [AC_FATAL([$0: requires literal arguments])])dnl +AC_CACHE_CHECK([size of $2], AS_TR_SH([glib_cv_sizeof_$3]), +[ # The cast to unsigned long works around a bug in the HP C Compiler + # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects + # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. + # This bug is HP SR number 8606223364. + _AC_COMPUTE_INT([(long) (sizeof ($2))], + [AS_TR_SH([glib_cv_sizeof_$3])], + [AC_INCLUDES_DEFAULT([$1])], + [AC_MSG_ERROR([cannot compute sizeof ($2), 77])]) +])dnl +AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_sizeof_$3), $AS_TR_SH([glib_cv_sizeof_$3]), + [The size of $3, as computed by sizeof.]) +])# GLIB_SIZEOF + +dnl GLIB_BYTE_CONTENTS (INCLUDES, TYPE, ALIAS, N_BYTES, INITIALIZER) +AC_DEFUN([GLIB_BYTE_CONTENTS], +[pushdef([glib_ByteContents], GLIB_TR_SH([glib_cv_byte_contents_$3]))dnl +AC_CACHE_CHECK([byte contents of $5], glib_ByteContents, +[AC_TRY_RUN([#include +$1 +main() +{ + static $2 tv = $5; + char *p = (char*) &tv; + int i; + FILE *f=fopen("conftestval", "w"); + if (!f) exit(1); + for (i = 0; i < $4; i++) + fprintf(f, "%s%d", i?",":"", *(p++)); + fprintf(f, "\n"); + exit(0); +}], + [glib_ByteContents=`cat conftestval` dnl'' +], + [glib_ByteContents=no], + [glib_ByteContents=no])]) +AC_DEFINE_UNQUOTED(GLIB_TR_CPP(glib_byte_contents_$3), [$[]glib_ByteContents], + [Byte contents of $3]) +popdef([glib_ByteContents])dnl +]) + +# GLIB_CHECK_VALUE(SYMBOL, INCLUDES, ACTION-IF-FAIL) +# --------------------------------------------------------------- +AC_DEFUN([GLIB_CHECK_VALUE], +[AC_CACHE_CHECK([value of $1], AS_TR_SH([glib_cv_value_$1]), + [_AC_COMPUTE_INT([$1], AS_TR_SH([glib_cv_value_$1]), [$2], [$3])]) +])dnl + +# GLIB_CHECK_COMPILE_WARNINGS(PROGRAM, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# --------------------------------------------------------------------- +# Try to compile PROGRAM, check for warnings +m4_define([GLIB_CHECK_COMPILE_WARNINGS], +[m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl +rm -f conftest.$ac_objext +glib_ac_compile_save="$ac_compile" +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext' +AS_IF([_AC_EVAL_STDERR($ac_compile) && + AC_TRY_COMMAND([(if test -s conftest.err; then false ; else true; fi)])], + [$2], + [echo "$as_me: failed program was:" >&AS_MESSAGE_LOG_FD +cat conftest.$ac_ext >&AS_MESSAGE_LOG_FD +m4_ifvaln([$3],[$3])dnl]) +ac_compile="$glib_ac_compile_save" +rm -f conftest.$ac_objext conftest.err m4_ifval([$1], [conftest.$ac_ext])[]dnl +])# GLIB_CHECK_COMPILE_WARNINGS + +# GLIB_ASSERT_SET(VARIABLE) +# ------------------------- +AC_DEFUN([GLIB_ASSERT_SET], +[if test "x${$1+set}" != "xset" ; then + AC_MSG_ERROR($1 [must be set in cache file when cross-compiling.]) +fi +])dnl diff --git a/build/autotools/as-compiler-flag.m4 b/build/autotools/as-compiler-flag.m4 new file mode 100644 index 0000000..0f660cf --- /dev/null +++ b/build/autotools/as-compiler-flag.m4 @@ -0,0 +1,62 @@ +dnl as-compiler-flag.m4 0.1.0 + +dnl autostars m4 macro for detection of compiler flags + +dnl David Schleef + +dnl $Id: as-compiler-flag.m4,v 1.1 2005/12/15 23:35:19 ds Exp $ + +dnl AS_COMPILER_FLAG(CFLAGS, ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED]) +dnl Tries to compile with the given CFLAGS. +dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags, +dnl and ACTION-IF-NOT-ACCEPTED otherwise. + +AC_DEFUN([AS_COMPILER_FLAG], +[ + AC_MSG_CHECKING([to see if compiler understands $1]) + + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $1" + + AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no]) + CFLAGS="$save_CFLAGS" + + if test "X$flag_ok" = Xyes ; then + m4_ifvaln([$2],[$2]) + true + else + m4_ifvaln([$3],[$3]) + true + fi + AC_MSG_RESULT([$flag_ok]) +]) + +dnl AS_COMPILER_FLAGS(VAR, FLAGS) +dnl Tries to compile with the given CFLAGS. + +AC_DEFUN([AS_COMPILER_FLAGS], +[ + list=$2 + flags_supported="" + flags_unsupported="" + AC_MSG_CHECKING([for supported compiler flags]) + for each in $list + do + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $each" + AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no]) + CFLAGS="$save_CFLAGS" + + if test "X$flag_ok" = Xyes ; then + flags_supported="$flags_supported $each" + else + flags_unsupported="$flags_unsupported $each" + fi + done + AC_MSG_RESULT([$flags_supported]) + if test "X$flags_unsupported" != X ; then + AC_MSG_WARN([unsupported compiler flags: $flags_unsupported]) + fi + $1="$$1 $flags_supported" +]) + diff --git a/build/autotools/as-glibconfig.m4 b/build/autotools/as-glibconfig.m4 new file mode 100644 index 0000000..75055b6 --- /dev/null +++ b/build/autotools/as-glibconfig.m4 @@ -0,0 +1,2141 @@ +dnl +dnl Test program for basic POSIX threads functionality +dnl +m4_define([glib_thread_test],[ +#include +int check_me = 0; +void* func(void* data) {check_me = 42; return &check_me;} +int main() + { pthread_t t; + void *ret; + pthread_create (&t, $1, func, 0); + pthread_join (t, &ret); + return (check_me != 42 || ret != &check_me); +}]) + +AC_DEFUN([AS_GLIBCONFIG], +[ + +m4_define([glib_major_version], [2]) +m4_define([glib_minor_version], [30]) +m4_define([glib_micro_version], [2]) +m4_define([glib_interface_age], [0]) +m4_define([glib_binary_age], + [m4_eval(100 * glib_minor_version + glib_micro_version)]) +m4_define([glib_version], + [glib_major_version.glib_minor_version.glib_micro_version]) + +GLIB_MAJOR_VERSION=glib_major_version +GLIB_MINOR_VERSION=glib_minor_version +GLIB_MICRO_VERSION=glib_micro_version +GLIB_INTERFACE_AGE=glib_interface_age +GLIB_BINARY_AGE=glib_binary_age +GLIB_VERSION=glib_version + +AC_SUBST(GLIB_MAJOR_VERSION) +AC_SUBST(GLIB_MINOR_VERSION) +AC_SUBST(GLIB_MICRO_VERSION) +AC_SUBST(GLIB_VERSION) +AC_SUBST(GLIB_INTERFACE_AGE) +AC_SUBST(GLIB_BINARY_AGE) + +AC_DEFINE(GLIB_INTERFACE_AGE, [glib_interface_age], + [Define to the GLIB interface age]) +AC_DEFINE(GLIB_BINARY_AGE, [glib_binary_age], + [Define to the GLIB binary age]) + +dnl Let's use the system printf unconditionally +enable_included_printf=no +AC_DEFINE(HAVE_GOOD_PRINTF,1,[define to use system printf]) + +dnl No support for static window libraries +glib_win32_static_compilation=no + +dnl that's the defaults in glib's configure (which provides a --with-threads +dnl option we don't expose here) +want_threads=yes + +AC_CANONICAL_HOST + +AC_MSG_CHECKING([for Win32]) +LIB_EXE_MACHINE_FLAG=X86 +case "$host" in + *-*-mingw*) + glib_native_win32=yes + glib_pid_type='void *' + glib_cv_stack_grows=no + # Unfortunately the mingw implementations of C99-style snprintf and vsnprintf + # don't seem to be quite good enough, at least not in mingw-runtime-3.14. + # (Sorry, I don't know exactly what is the problem, but it is related to + # floating point formatting and decimal point vs. comma.) + # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't + # rigorous enough to notice, though. + # So preset the autoconf cache variables. + ac_cv_func_vsnprintf_c99=no + ac_cv_func_snprintf_c99=no + case "$host" in + x86_64-*-*) + LIB_EXE_MACHINE_FLAG=X64 + ;; + esac + ;; + *) + glib_native_win32=no + glib_pid_type=int + ;; +esac +case $host in + *-*-linux*) + glib_os_linux=yes + ;; +esac + +AC_MSG_RESULT([$glib_native_win32]) + +AC_SUBST(LIB_EXE_MACHINE_FLAG) + +glib_have_carbon=no +AC_MSG_CHECKING([for Mac OS X Carbon support]) +AC_TRY_CPP([ +#include +#include +], glib_have_carbon=yes) + +AC_MSG_RESULT([$glib_have_carbon]) + +AC_CHECK_HEADERS([limits.h float.h values.h alloca.h sys/poll.h]) +AC_CHECK_FUNCS(atexit on_exit memmove) + +AC_CHECK_SIZEOF(char) +AC_CHECK_SIZEOF(short) +AC_CHECK_SIZEOF(long) +AC_CHECK_SIZEOF(int) +AC_CHECK_SIZEOF(void *) +AC_CHECK_SIZEOF(long long) +AC_CHECK_SIZEOF(__int64) + +if test x$ac_cv_sizeof_long = x8 || test x$ac_cv_sizeof_long_long = x8 || test x$ac_cv_sizeof___int64 = x8 ; then + : +else + AC_MSG_ERROR([ +*** GLib requires a 64 bit type. You might want to consider +*** using the GNU C compiler. +]) +fi + +if test x$glib_native_win32 != xyes && test x$ac_cv_sizeof_long_long = x8; then + # long long is a 64 bit integer. + AC_MSG_CHECKING(for format to printf and scanf a guint64) + AC_CACHE_VAL(glib_cv_long_long_format,[ + for format in ll q I64; do + AC_TRY_RUN([#include + int main() + { + long long b, a = -0x3AFAFAFAFAFAFAFALL; + char buffer[1000]; + sprintf (buffer, "%${format}u", a); + sscanf (buffer, "%${format}u", &b); + exit (b!=a); + } + ], + [glib_cv_long_long_format=${format} + break], + [],[:]) + done]) + if test -n "$glib_cv_long_long_format"; then + AC_MSG_RESULT(%${glib_cv_long_long_format}u) + AC_DEFINE(HAVE_LONG_LONG_FORMAT,1,[define if system printf can print long long]) + if test x"$glib_cv_long_long_format" = xI64; then + AC_DEFINE(HAVE_INT64_AND_I64,1,[define to support printing 64-bit integers with format I64]) + fi + else + AC_MSG_RESULT(none) + fi +elif test x$ac_cv_sizeof___int64 = x8; then + # __int64 is a 64 bit integer. + AC_MSG_CHECKING(for format to printf and scanf a guint64) + # We know this is MSVCRT.DLL, and what the formats are + glib_cv_long_long_format=I64 + AC_MSG_RESULT(%${glib_cv_long_long_format}u) + AC_DEFINE(HAVE_LONG_LONG_FORMAT,1,[define if system printf can print long long]) + AC_DEFINE(HAVE_INT64_AND_I64,1,[define to support printing 64-bit integers with format I64]) +fi + +# check additional type sizes +AC_CHECK_SIZEOF(size_t) + +dnl Try to figure out whether gsize, gssize should be long or int +AC_MSG_CHECKING([for the appropriate definition for size_t]) + +case $ac_cv_sizeof_size_t in + $ac_cv_sizeof_short) + glib_size_type=short + ;; + $ac_cv_sizeof_int) + glib_size_type=int + ;; + $ac_cv_sizeof_long) + glib_size_type=long + ;; + $ac_cv_sizeof_long_long) + glib_size_type='long long' + ;; + $ac_cv_sizeof__int64) + glib_size_type='__int64' + ;; + *) AC_MSG_ERROR([No type matching size_t in size]) + ;; +esac + +dnl If int/long are the same size, we see which one produces +dnl warnings when used in the location as size_t. (This matters +dnl on AIX with xlc) +dnl +if test $ac_cv_sizeof_size_t = $ac_cv_sizeof_int && + test $ac_cv_sizeof_size_t = $ac_cv_sizeof_long ; then + GLIB_CHECK_COMPILE_WARNINGS([AC_LANG_SOURCE([[ +#if defined(_AIX) && !defined(__GNUC__) +#pragma options langlvl=stdc89 +#endif +#include +int main () +{ + size_t s = 1; + unsigned int *size_int = &s; + return (int)*size_int; +} + ]])],glib_size_type=int, + [GLIB_CHECK_COMPILE_WARNINGS([AC_LANG_SOURCE([[ +#if defined(_AIX) && !defined(__GNUC__) +#pragma options langlvl=stdc89 +#endif +#include +int main () +{ + size_t s = 1; + unsigned long *size_long = &s; + return (int)*size_long; +} + ]])],glib_size_type=long)]) +fi + +AC_MSG_RESULT(unsigned $glib_size_type) + +# Check for some functions +AC_CHECK_FUNCS(lstat strerror strsignal memmove vsnprintf stpcpy strcasecmp strncasecmp poll getcwd vasprintf setenv unsetenv getc_unlocked readlink symlink fdwalk memmem) +AC_CHECK_FUNCS(chown lchmod lchown fchmod fchown link utimes getgrgid getpwuid) +AC_CHECK_FUNCS(getmntent_r setmntent endmntent hasmntopt getfsstat getvfsstat) +# Check for high-resolution sleep functions +AC_CHECK_FUNCS(splice) + +# Check if bcopy can be used for overlapping copies, if memmove isn't found. +# The check is borrowed from the PERL Configure script. +if test "$ac_cv_func_memmove" != "yes"; then + AC_CACHE_CHECK(whether bcopy can handle overlapping copies, + glib_cv_working_bcopy,[AC_TRY_RUN([ + int main() { + char buf[128], abc[128], *b; + int len, off, align; + bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36); + for (align = 7; align >= 0; align--) { + for (len = 36; len; len--) { + b = buf+align; bcopy(abc, b, len); + for (off = 1; off <= len; off++) { + bcopy(b, b+off, len); bcopy(b+off, b, len); + if (bcmp(b, abc, len)) return(1); + } + } + } + return(0); + }],glib_cv_working_bcopy=yes,glib_cv_working_bcopy=no)]) + + GLIB_ASSERT_SET(glib_cv_working_bcopy) + if test "$glib_cv_working_bcopy" = "yes"; then + AC_DEFINE(HAVE_WORKING_BCOPY,1,[Have a working bcopy]) + fi +fi + +# Check for sys_errlist +AC_MSG_CHECKING(for sys_errlist) +AC_TRY_LINK(, [ +extern char *sys_errlist[]; +extern int sys_nerr; +sys_errlist[sys_nerr-1][0] = 0; +], glib_ok=yes, glib_ok=no) +AC_MSG_RESULT($glib_ok) +if test "$glib_ok" = "no"; then + AC_DEFINE(NO_SYS_ERRLIST,1,[global 'sys_errlist' not found]) +fi + + +dnl va_copy checks +dnl we currently check for all three va_copy possibilities, so we get +dnl all results in config.log for bug reports. +AC_CACHE_CHECK([for an implementation of va_copy()],glib_cv_va_copy,[ + AC_LINK_IFELSE([AC_LANG_SOURCE([[#include +#include + void f (int i, ...) { + va_list args1, args2; + va_start (args1, i); + va_copy (args2, args1); + if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42) + exit (1); + va_end (args1); va_end (args2); + } + int main() { + f (0, 42); + return 0; + }]])], + [glib_cv_va_copy=yes], + [glib_cv_va_copy=no]) +]) +AC_CACHE_CHECK([for an implementation of __va_copy()],glib_cv___va_copy,[ + AC_LINK_IFELSE([AC_LANG_SOURCE([[#include +#include + void f (int i, ...) { + va_list args1, args2; + va_start (args1, i); + __va_copy (args2, args1); + if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42) + exit (1); + va_end (args1); va_end (args2); + } + int main() { + f (0, 42); + return 0; + }]])], + [glib_cv___va_copy=yes], + [glib_cv___va_copy=no]) +]) + +if test "x$glib_cv_va_copy" = "xyes"; then + g_va_copy_func=va_copy +else if test "x$glib_cv___va_copy" = "xyes"; then + g_va_copy_func=__va_copy +fi +fi + +if test -n "$g_va_copy_func"; then + AC_DEFINE_UNQUOTED(G_VA_COPY,$g_va_copy_func,[A 'va_copy' style function]) +fi + +AC_CACHE_CHECK([whether va_lists can be copied by value],glib_cv_va_val_copy,[ + AC_TRY_RUN([#include +#include + void f (int i, ...) { + va_list args1, args2; + va_start (args1, i); + args2 = args1; + if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42) + exit (1); + va_end (args1); va_end (args2); + } + int main() { + f (0, 42); + return 0; + }], + [glib_cv_va_val_copy=yes], + [glib_cv_va_val_copy=no], + [glib_cv_va_val_copy=yes]) +]) + +if test "x$glib_cv_va_val_copy" = "xno"; then + AC_DEFINE(G_VA_COPY_AS_ARRAY,1, ['va_lists' cannot be copies as values]) +fi + +dnl *********************** +dnl *** g_module checks *** +dnl *********************** +G_MODULE_LIBS= +G_MODULE_LIBS_EXTRA= +G_MODULE_PLUGIN_LIBS= +if test x"$glib_native_win32" = xyes; then + dnl No use for this on Win32 + G_MODULE_LDFLAGS= +else + export SED + G_MODULE_LDFLAGS=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh` +fi +dnl G_MODULE_IMPL= don't reset, so cmd-line can override +G_MODULE_NEED_USCORE=0 +G_MODULE_BROKEN_RTLD_GLOBAL=0 +G_MODULE_HAVE_DLERROR=0 +dnl *** force native WIN32 shared lib loader +if test -z "$G_MODULE_IMPL"; then + case "$host" in + *-*-mingw*|*-*-cygwin*) G_MODULE_IMPL=G_MODULE_IMPL_WIN32 ;; + esac +fi +dnl *** force native AIX library loader +dnl *** dlopen() filepath must be of the form /path/libname.a(libname.so) +if test -z "$G_MODULE_IMPL"; then + case "$host" in + *-*-aix*) G_MODULE_IMPL=G_MODULE_IMPL_AR ;; + esac +fi +dnl *** dlopen() and dlsym() in system libraries +if test -z "$G_MODULE_IMPL"; then + AC_CHECK_FUNC(dlopen, + [AC_CHECK_FUNC(dlsym, + [G_MODULE_IMPL=G_MODULE_IMPL_DL],[])], + []) +fi +dnl *** load_image (BeOS) +if test -z "$G_MODULE_IMPL" && test "x$glib_native_beos" = "xyes"; then + AC_CHECK_LIB(root, load_image, + [G_MODULE_LIBS="-lbe -lroot -lglib-2.0 " + G_MODULE_LIBS_EXTRA="-L\$(top_builddir_full)/.libs" + G_MODULE_PLUGIN_LIBS="-L\$(top_builddir_full)/gmodule/.libs -lgmodule" + G_MODULE_IMPL=G_MODULE_IMPL_BEOS], + []) +fi +dnl *** NSLinkModule (dyld) in system libraries (Darwin) +if test -z "$G_MODULE_IMPL"; then + AC_CHECK_FUNC(NSLinkModule, + [G_MODULE_IMPL=G_MODULE_IMPL_DYLD + G_MODULE_NEED_USCORE=1], + []) +fi +dnl *** dlopen() and dlsym() in libdl +if test -z "$G_MODULE_IMPL"; then + AC_CHECK_LIB(dl, dlopen, + [AC_CHECK_LIB(dl, dlsym, + [G_MODULE_LIBS=-ldl + G_MODULE_IMPL=G_MODULE_IMPL_DL],[])], + []) +fi +dnl *** shl_load() in libdld (HP-UX) +if test -z "$G_MODULE_IMPL"; then + AC_CHECK_LIB(dld, shl_load, + [G_MODULE_LIBS=-ldld + G_MODULE_IMPL=G_MODULE_IMPL_DLD], + []) +fi +dnl *** additional checks for G_MODULE_IMPL_DL +if test "$G_MODULE_IMPL" = "G_MODULE_IMPL_DL"; then + LIBS_orig="$LIBS" + LDFLAGS_orig="$LDFLAGS" + LIBS="$G_MODULE_LIBS $LIBS" + LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS" +dnl *** check for OSF1/5.0 RTLD_GLOBAL brokenness + echo "void glib_plugin_test(void) { }" > plugin.c + ${SHELL} ./libtool --mode=compile ${CC} -shared \ + -export-dynamic -o plugin.o plugin.c 2>&1 >/dev/null + AC_CACHE_CHECK([for RTLD_GLOBAL brokenness], + glib_cv_rtldglobal_broken,[ + AC_TRY_RUN([ +#include +#ifndef RTLD_GLOBAL +# define RTLD_GLOBAL 0 +#endif +#ifndef RTLD_LAZY +# define RTLD_LAZY 0 +#endif +int glib_plugin_test; +int main () { + void *handle, *global, *local; + global = &glib_plugin_test; + handle = dlopen ("./.libs/plugin.o", RTLD_GLOBAL | RTLD_LAZY); + if (!handle) return 0; + local = dlsym (handle, "glib_plugin_test"); + return global == local; +} ], + [glib_cv_rtldglobal_broken=no], + [glib_cv_rtldglobal_broken=yes], + [glib_cv_rtldglobal_broken=no]) + rm -f plugin.c plugin.o plugin.lo .libs/plugin.o + rmdir .libs 2>/dev/null + ]) + if test "x$glib_cv_rtldglobal_broken" = "xyes"; then + G_MODULE_BROKEN_RTLD_GLOBAL=1 + else + G_MODULE_BROKEN_RTLD_GLOBAL=0 + fi +dnl *** check whether we need preceeding underscores + AC_CACHE_CHECK([for preceeding underscore in symbols], + glib_cv_uscore,[ + AC_TRY_RUN([#include + int glib_underscore_test (void) { return 42; } + int main() { + void *f1 = (void*)0, *f2 = (void*)0, *handle; + handle = dlopen ((void*)0, 0); + if (handle) { + f1 = dlsym (handle, "glib_underscore_test"); + f2 = dlsym (handle, "_glib_underscore_test"); + } return (!f2 || f1); + }], + [glib_cv_uscore=yes], + [glib_cv_uscore=no], + []) + rm -f plugin.c plugin.$ac_objext plugin.lo + ]) + GLIB_ASSERT_SET(glib_cv_uscore) + if test "x$glib_cv_uscore" = "xyes"; then + G_MODULE_NEED_USCORE=1 + else + G_MODULE_NEED_USCORE=0 + fi + + LDFLAGS="$LDFLAGS_orig" +dnl *** check for having dlerror() + AC_CHECK_FUNC(dlerror, + [G_MODULE_HAVE_DLERROR=1], + [G_MODULE_HAVE_DLERROR=0]) + LIBS="$LIBS_orig" +fi +dnl *** done, have we got an implementation? +if test -z "$G_MODULE_IMPL"; then + G_MODULE_IMPL=0 + G_MODULE_SUPPORTED=false +else + G_MODULE_SUPPORTED=true +fi + +AC_MSG_CHECKING(for the suffix of module shared libraries) +export SED +shrext_cmds=`./libtool --config | grep '^shrext_cmds='` +eval $shrext_cmds +module=yes eval std_shrext=$shrext_cmds +# chop the initial dot +glib_gmodule_suffix=`echo $std_shrext | sed 's/^\.//'` +AC_MSG_RESULT(.$glib_gmodule_suffix) +# any reason it may fail? +if test "x$glib_gmodule_suffix" = x; then + AC_MSG_ERROR(Cannot determine shared library suffix from libtool) +fi + +AC_SUBST(G_MODULE_SUPPORTED) +AC_SUBST(G_MODULE_IMPL) +AC_SUBST(G_MODULE_LIBS) +AC_SUBST(G_MODULE_LIBS_EXTRA) +AC_SUBST(G_MODULE_PLUGIN_LIBS) +AC_SUBST(G_MODULE_LDFLAGS) +AC_SUBST(G_MODULE_HAVE_DLERROR) +AC_SUBST(G_MODULE_BROKEN_RTLD_GLOBAL) +AC_SUBST(G_MODULE_NEED_USCORE) +AC_SUBST(GLIB_DEBUG_FLAGS) + +dnl AC_C_INLINE is useless to us since it bails out too early, we need to +dnl truely know which ones of `inline', `__inline' and `__inline__' are +dnl actually supported. +AC_CACHE_CHECK([for __inline],glib_cv_has__inline,[ + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + __inline int foo () { return 0; } + int main () { return foo (); } + ]])], + glib_cv_has__inline=yes + , + glib_cv_has__inline=no + ,) +]) +case x$glib_cv_has__inline in +xyes) AC_DEFINE(G_HAVE___INLINE,1,[Have __inline keyword]) +esac +AC_CACHE_CHECK([for __inline__],glib_cv_has__inline__,[ + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + __inline__ int foo () { return 0; } + int main () { return foo (); } + ]])], + glib_cv_has__inline__=yes + , + glib_cv_has__inline__=no + ,) +]) +case x$glib_cv_has__inline__ in +xyes) AC_DEFINE(G_HAVE___INLINE__,1,[Have __inline__ keyword]) +esac +AC_CACHE_CHECK([for inline], glib_cv_hasinline,[ + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ + #undef inline + inline int foo () { return 0; } + int main () { return foo (); } + ]])], + glib_cv_hasinline=yes + , + glib_cv_hasinline=no + ,) +]) +case x$glib_cv_hasinline in +xyes) AC_DEFINE(G_HAVE_INLINE,1,[Have inline keyword]) +esac + +# if we can use inline functions in headers +AC_MSG_CHECKING(if inline functions in headers work) +AC_LINK_IFELSE([AC_LANG_SOURCE([[ +#if defined (G_HAVE_INLINE) && defined (__GNUC__) && defined (__STRICT_ANSI__) +# undef inline +# define inline __inline__ +#elif !defined (G_HAVE_INLINE) +# undef inline +# if defined (G_HAVE___INLINE__) +# define inline __inline__ +# elif defined (G_HAVE___INLINE) +# define inline __inline +# endif +#endif + +int glib_test_func2 (int); + +static inline int +glib_test_func1 (void) { + return glib_test_func2 (1); +} + +int +main (void) { + int i = 1; +}]])],[g_can_inline=yes],[g_can_inline=no]) +AC_MSG_RESULT($g_can_inline) + +# check for flavours of varargs macros +AC_MSG_CHECKING(for ISO C99 varargs macros in C) +AC_TRY_COMPILE([],[ +int a(int p1, int p2, int p3); +#define call_a(...) a(1,__VA_ARGS__) +call_a(2,3); +],g_have_iso_c_varargs=yes,g_have_iso_c_varargs=no) +AC_MSG_RESULT($g_have_iso_c_varargs) + +AC_MSG_CHECKING(for ISO C99 varargs macros in C++) +if test "$CXX" = ""; then +dnl No C++ compiler + g_have_iso_cxx_varargs=no +else + AC_LANG_CPLUSPLUS + AC_TRY_COMPILE([],[ +int a(int p1, int p2, int p3); +#define call_a(...) a(1,__VA_ARGS__) +call_a(2,3); +],g_have_iso_cxx_varargs=yes,g_have_iso_cxx_varargs=no) + AC_LANG_C +fi +AC_MSG_RESULT($g_have_iso_cxx_varargs) + +AC_MSG_CHECKING(for GNUC varargs macros) +AC_TRY_COMPILE([],[ +int a(int p1, int p2, int p3); +#define call_a(params...) a(1,params) +call_a(2,3); +],g_have_gnuc_varargs=yes,g_have_gnuc_varargs=no) +AC_MSG_RESULT($g_have_gnuc_varargs) + +AC_MSG_CHECKING([for EILSEQ]) +AC_TRY_COMPILE([ +#include +], +[ +int error = EILSEQ; +], have_eilseq=yes, have_eilseq=no); +AC_MSG_RESULT($have_eilseq) + +# check for GNUC visibility support +AC_MSG_CHECKING(for GNUC visibility attribute) +GLIB_CHECK_COMPILE_WARNINGS([AC_LANG_SOURCE([[ +void +__attribute__ ((visibility ("hidden"))) + f_hidden (void) +{ +} +void +__attribute__ ((visibility ("internal"))) + f_internal (void) +{ +} +void +__attribute__ ((visibility ("protected"))) + f_protected (void) +{ +} +void +__attribute__ ((visibility ("default"))) + f_default (void) +{ +} +int main (int argc, char **argv) +{ + f_hidden(); + f_internal(); + f_protected(); + f_default(); + return 0; +} +]])],g_have_gnuc_visibility=yes,g_have_gnuc_visibility=no) +AC_MSG_RESULT($g_have_gnuc_visibility) + +# check for bytesex stuff +AC_C_BIGENDIAN +if test x$ac_cv_c_bigendian = xuniversal ; then +AC_TRY_COMPILE([#include ], [#if __BYTE_ORDER == __BIG_ENDIAN +#else +#error Not a big endian. +#endif], + ac_cv_c_bigendian=yes + ,AC_TRY_COMPILE([#include ], [#if __BYTE_ORDER == __LITTLE_ENDIAN +#else +#error Not a little endian. +#endif], + ac_cv_c_bigendian=no + ,AC_MSG_WARN([Could not determine endianness.]))) +fi + + +# check for header files +AC_CHECK_HEADERS([dirent.h float.h limits.h pwd.h grp.h sys/param.h sys/poll.h sys/resource.h]) +AC_CHECK_HEADERS([sys/time.h sys/times.h sys/wait.h unistd.h values.h]) +AC_CHECK_HEADERS([sys/select.h sys/types.h stdint.h inttypes.h sched.h malloc.h]) +AC_CHECK_HEADERS([sys/vfs.h sys/vmount.h sys/statfs.h sys/statvfs.h]) +AC_CHECK_HEADERS([mntent.h sys/mnttab.h sys/vfstab.h sys/mntctl.h fstab.h]) +AC_CHECK_HEADERS([sys/uio.h sys/mkdev.h]) +AC_CHECK_HEADERS([linux/magic.h]) + +AC_CHECK_HEADERS([sys/mount.h sys/sysctl.h], [], [], +[#if HAVE_SYS_PARAM_H + #include + #endif +]) + +# check for structure fields +AC_CHECK_MEMBERS([struct stat.st_mtimensec, struct stat.st_mtim.tv_nsec, struct stat.st_atimensec, struct stat.st_atim.tv_nsec, struct stat.st_ctimensec, struct stat.st_ctim.tv_nsec]) +AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_blocks, struct statfs.f_fstypename, struct statfs.f_bavail],,, [#include +#include +#include +#ifdef HAVE_SYS_STATFS_H +#include +#endif +#ifdef HAVE_SYS_PARAM_H +#include +#endif +#ifdef HAVE_SYS_MOUNT_H +#include +#endif]) +# struct statvfs.f_basetype is available on Solaris but not for Linux. +AC_CHECK_MEMBERS([struct statvfs.f_basetype],,, [#include ]) +AC_CHECK_MEMBERS([struct statvfs.f_fstypename],,, [#include ]) +AC_CHECK_MEMBERS([struct tm.tm_gmtoff, struct tm.__tm_gmtoff],,,[#include ]) + +dnl error and warning message +dnl ************************* + +THREAD_NO_IMPLEMENTATION="You do not have any known thread system on your + computer. GLib will not have a default thread implementation." + +FLAG_DOES_NOT_WORK="I can't find the MACRO to enable thread safety on your + platform (normally it's "_REENTRANT"). I'll not use any flag on + compilation now, but then your programs might not work. + Please provide information on how it is done on your system." + +LIBS_NOT_FOUND_1="I can't find the libraries for the thread implementation + " + +LIBS_NOT_FOUND_2=". Please choose another thread implementation or + provide information on your thread implementation. + You can also run 'configure --disable-threads' + to compile without thread support." + +FUNC_NO_GETPWUID_R="the 'g_get_(user_name|real_name|home_dir|tmp_dir)' + functions will not be MT-safe during their first call because + there is no working 'getpwuid_r' on your system." + +FUNC_NO_LOCALTIME_R="the 'g_date_set_time' function will not be MT-safe + because there is no 'localtime_r' on your system." + +POSIX_NO_YIELD="I can not find a yield functions for your platform. A rather + crude surrogate will be used. If you happen to know a + yield function for your system, please inform the GLib + developers." + +POSIX_NO_PRIORITIES="I can not find the minimal and maximal priorities for + threads on your system. Thus threads can only have the default + priority. If you happen to know these main/max + priorities, please inform the GLib developers." + +AIX_COMPILE_INFO="AIX's C compiler needs to be called by a different name, when + linking threaded applications. As GLib cannot do that + automatically, you will get an linkg error everytime you are + not using the right compiler. In that case you have to relink + with the right compiler. Ususally just '_r' is appended + to the compiler name." + +dnl determination of thread implementation +dnl *************************************** + +# have_threads=no means no thread support +# have_threads=none means no default thread implementation + +have_threads=no +if test "x$want_threads" = xyes || test "x$want_threads" = xposix \ + || test "x$want_threads" = xdce; then + # -D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE is for DG/UX + # -U_OSF_SOURCE is for Digital UNIX 4.0d + GTHREAD_COMPILE_IMPL_DEFINES="-D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE -U_OSF_SOURCE" + glib_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES" + if test "x$have_threads" = xno; then + AC_TRY_COMPILE([#include ], + [pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;], + have_threads=posix) + fi + if test "x$have_threads" = xno; then + AC_TRY_COMPILE([#include ], + [pthread_mutex_t m; + pthread_mutex_init (&m, pthread_mutexattr_default);], + have_threads=dce) + fi + # Tru64Unix requires -pthread to find pthread.h. See #103020 + CPPFLAGS="$CPPFLAGS -pthread" + if test "x$have_threads" = xno; then + AC_TRY_COMPILE([#include ], + [pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;], + have_threads=posix) + fi + CPPFLAGS="$glib_save_CPPFLAGS" +fi +if test "x$want_threads" = xyes || test "x$want_threads" = xwin32; then + case $host in + *-*-mingw*) + have_threads=win32 + ;; + esac +fi +if test "x$want_threads" = xnone; then + have_threads=none +fi + +AC_MSG_CHECKING(for thread implementation) + +if test "x$have_threads" = xno && test "x$want_threads" != xno; then + AC_MSG_RESULT(none available) + AC_MSG_WARN($THREAD_NO_IMPLEMENTATION) +else + AC_MSG_RESULT($have_threads) +fi + + +dnl determination of G_THREAD_CFLAGS +dnl ******************************** + +G_THREAD_LIBS= +G_THREAD_LIBS_EXTRA= +G_THREAD_CFLAGS= + +dnl +dnl Test program for sched_get_priority_min() +dnl +m4_define([glib_sched_priority_test],[ +#include +#include +int main() { + errno = 0; + return sched_get_priority_min(SCHED_OTHER)==-1 + && errno != 0; +}]) + +if test x"$have_threads" != xno; then + + if test x"$have_threads" = xposix; then + # First we test for posix, whether -pthread or -pthreads do the trick as + # both CPPFLAG and LIBS. + # One of them does for most gcc versions and some other platforms/compilers + # too and could be considered as the canonical way to go. + case $host in + *-*-cygwin*|*-*-darwin*) + # skip cygwin and darwin -pthread or -pthreads test + ;; + *-solaris*) + # These compiler/linker flags work with both Sun Studio and gcc + # Sun Studio expands -mt to -D_REENTRANT and -lthread + # gcc expands -pthreads to -D_REENTRANT -D_PTHREADS -lpthread + G_THREAD_CFLAGS="-D_REENTRANT -D_PTHREADS" + G_THREAD_LIBS="-lpthread -lthread" + ;; + *) + for flag in pthread pthreads mt; do + glib_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -$flag" + AC_TRY_RUN(glib_thread_test(0), + glib_flag_works=yes, + glib_flag_works=no, + [AC_LINK_IFELSE([AC_LANG_SOURCE(glib_thread_test(0))], + glib_flag_works=yes, + glib_flag_works=no)]) + CFLAGS="$glib_save_CFLAGS" + if test $glib_flag_works = yes ; then + G_THREAD_CFLAGS=-$flag + G_THREAD_LIBS=-$flag + break; + fi + done + ;; + esac + fi + + if test x"$G_THREAD_CFLAGS" = x; then + + # The canonical -pthread[s] does not work. Try something different. + + case $host in + *-aix*) + if test x"$GCC" = xyes; then + # GCC 3.0 and above needs -pthread. + # Should be coverd by the case above. + # GCC 2.x and below needs -mthreads + G_THREAD_CFLAGS="-mthreads" + G_THREAD_LIBS=$G_THREAD_CFLAGS + else + # We are probably using the aix compiler. Normaly a + # program would have to be compiled with the _r variant + # of the corresponding compiler, but we as GLib cannot + # do that: but the good news is that for compiling the + # only difference is the added -D_THREAD_SAFE compile + # option. This is according to the "C for AIX User's + # Guide". + G_THREAD_CFLAGS="-D_THREAD_SAFE" + fi + ;; + *-dg-dgux*) # DG/UX + G_THREAD_CFLAGS="-D_REENTRANT -D_POSIX4A_DRAFT10_SOURCE" + ;; + *-osf*) + # So we are using dce threads. posix threads are already + # catched above. + G_THREAD_CFLAGS="-threads" + G_THREAD_LIBS=$G_THREAD_CFLAGS + ;; + *-sysv5uw7*) # UnixWare 7 + # We are not using gcc with -pthread. Catched above. + G_THREAD_CFLAGS="-Kthread" + G_THREAD_LIBS=$G_THREAD_CFLAGS + ;; + *-mingw*) + # No flag needed when using MSVCRT.DLL + G_THREAD_CFLAGS="" + ;; + *) + G_THREAD_CFLAGS="-D_REENTRANT" # good default guess otherwise + ;; + esac + + fi + + # if we are not finding the localtime_r function, then we probably are + # not using the proper multithread flag + + glib_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS" + + # First we test, whether localtime_r is declared in time.h + # directly. Then we test whether a macro localtime_r exists, in + # which case localtime_r in the test program is replaced and thus + # if we still find localtime_r in the output, it is not defined as + # a macro. + + AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include ], , + [AC_EGREP_CPP([[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]], [#include + localtime_r(a,b)], + AC_MSG_WARN($FLAG_DOES_NOT_WORK))]) + + CPPFLAGS="$glib_save_CPPFLAGS" + + AC_MSG_CHECKING(thread related cflags) + AC_MSG_RESULT($G_THREAD_CFLAGS) + CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS" +fi + +dnl determination of G_THREAD_LIBS +dnl ****************************** + +mutex_has_default=no +case $have_threads in + posix|dce) + glib_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES" + if test x"$G_THREAD_LIBS" = x; then + case $host in + *-aix*) + # We are not using gcc (would have set G_THREAD_LIBS) and thus + # probably using the aix compiler. + AC_MSG_WARN($AIX_COMPILE_INFO) + ;; + *) + G_THREAD_LIBS=error + glib_save_LIBS="$LIBS" + for thread_lib in "" pthread pthread32 pthreads thread dce; do + if test x"$thread_lib" = x; then + add_thread_lib="" + IN="" + else + add_thread_lib="-l$thread_lib" + IN=" in -l$thread_lib" + fi + if test x"$have_threads" = xposix; then + defattr=0 + else + defattr=pthread_attr_default + fi + + LIBS="$add_thread_lib $glib_save_LIBS" + + AC_MSG_CHECKING(for pthread_create/pthread_join$IN) + AC_TRY_RUN(glib_thread_test([$defattr]), + glib_result=yes, + glib_result=no, + [AC_LINK_IFELSE([AC_LANG_SOURCE(glib_thread_test([$defattr]))], + glib_result=yes, + glib_result=no)]) + AC_MSG_RESULT($glib_result) + + if test "$glib_result" = "yes" ; then + G_THREAD_LIBS="$add_thread_lib" + break + fi + done + if test "x$G_THREAD_LIBS" = xerror; then + AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2) + fi + LIBS="$glib_save_LIBS" + ;; + esac + fi + + glib_save_LIBS="$LIBS" + for thread_lib in "" rt rte; do + if test x"$thread_lib" = x; then + add_thread_lib="" + IN="" + else + add_thread_lib="-l$thread_lib" + IN=" in -l$thread_lib" + fi + LIBS="$add_thread_lib $glib_save_LIBS" + + AC_MSG_CHECKING(for sched_get_priority_min$IN) + AC_TRY_RUN(glib_sched_priority_test, + glib_result=yes, + glib_result=no, + [AC_LINK_IFELSE([AC_LANG_SOURCE(glib_sched_priority_test)], + glib_result=yes, + glib_result=no)]) + AC_MSG_RESULT($glib_result) + + if test "$glib_result" = "yes" ; then + G_THREAD_LIBS="$G_THREAD_LIBS $add_thread_lib" + posix_priority_min="sched_get_priority_min(SCHED_OTHER)" + posix_priority_max="sched_get_priority_max(SCHED_OTHER)" + break + fi + done + LIBS="$glib_save_LIBS" + mutex_has_default=yes + mutex_default_type='pthread_mutex_t' + mutex_default_init='PTHREAD_MUTEX_INITIALIZER' + mutex_header_file='pthread.h' + if test "x$have_threads" = "xposix"; then + g_threads_impl="POSIX" + else + g_threads_impl="DCE" + have_threads="posix" + fi + AC_SUBST(GTHREAD_COMPILE_IMPL_DEFINES) + CPPFLAGS="$glib_save_CPPFLAGS" + ;; + win32) + g_threads_impl="WIN32" + ;; + none|no) + g_threads_impl="NONE" + ;; + *) + g_threads_impl="NONE" + G_THREAD_LIBS=error + ;; +esac + +if test "x$G_THREAD_LIBS" = xerror; then + AC_MSG_ERROR($LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2) +fi + +AC_MSG_CHECKING(thread related libraries) +AC_MSG_RESULT($G_THREAD_LIBS) + +dnl check for mt safe function variants and some posix functions +dnl ************************************************************ + +if test x"$have_threads" != xno; then + glib_save_LIBS="$LIBS" + # we are not doing the following for now, as this might require glib + # to always be linked with the thread libs on some platforms. + # LIBS="$LIBS $G_THREAD_LIBS" + AC_CHECK_FUNCS(localtime_r gmtime_r) + if test "$ac_cv_header_pwd_h" = "yes"; then + AC_CACHE_CHECK([for posix getpwuid_r], + ac_cv_func_posix_getpwuid_r, + [AC_TRY_RUN([ +#include +#include +int main () { + char buffer[10000]; + struct passwd pwd, *pwptr = &pwd; + int error; + errno = 0; + error = getpwuid_r (0, &pwd, buffer, + sizeof (buffer), &pwptr); + return (error < 0 && errno == ENOSYS) + || error == ENOSYS; +} ], + [ac_cv_func_posix_getpwuid_r=yes], + [ac_cv_func_posix_getpwuid_r=no])]) + GLIB_ASSERT_SET(ac_cv_func_posix_getpwuid_r) + if test "$ac_cv_func_posix_getpwuid_r" = yes; then + AC_DEFINE(HAVE_POSIX_GETPWUID_R,1, + [Have POSIX function getpwuid_r]) + else + AC_CACHE_CHECK([for nonposix getpwuid_r], + ac_cv_func_nonposix_getpwuid_r, + [AC_TRY_LINK([#include ], + [char buffer[10000]; + struct passwd pwd; + getpwuid_r (0, &pwd, buffer, + sizeof (buffer));], + [ac_cv_func_nonposix_getpwuid_r=yes], + [ac_cv_func_nonposix_getpwuid_r=no])]) + GLIB_ASSERT_SET(ac_cv_func_nonposix_getpwuid_r) + if test "$ac_cv_func_nonposix_getpwuid_r" = yes; then + AC_DEFINE(HAVE_NONPOSIX_GETPWUID_R,1, + [Have non-POSIX function getpwuid_r]) + fi + fi + fi + if test "$ac_cv_header_grp_h" = "yes"; then + AC_CACHE_CHECK([for posix getgrgid_r], + ac_cv_func_posix_getgrgid_r, + [AC_TRY_RUN([ +#include +#include +int main () { + char buffer[10000]; + struct group grp, *grpptr = &grp; + int error; + errno = 0; + error = getgrgid_r (0, &grp, buffer, + sizeof (buffer), &grpptr); + return (error < 0 && errno == ENOSYS) + || error == ENOSYS; +} ], + [ac_cv_func_posix_getgrgid_r=yes], + [ac_cv_func_posix_getgrgid_r=no])]) + GLIB_ASSERT_SET(ac_cv_func_posix_getgrgid_r) + if test "$ac_cv_func_posix_getgrgid_r" = yes; then + AC_DEFINE(HAVE_POSIX_GETGRGID_R,1, + [Have POSIX function getgrgid_r]) + else + AC_CACHE_CHECK([for nonposix getgrgid_r], + ac_cv_func_nonposix_getgrgid_r, + [AC_TRY_LINK([#include ], + [char buffer[10000]; + struct group grp; + getgrgid_r (0, &grp, buffer, + sizeof (buffer));], + [ac_cv_func_nonposix_getgrgid_r=yes], + [ac_cv_func_nonposix_getgrgid_r=no])]) + GLIB_ASSERT_SET(ac_cv_func_nonposix_getgrgid_r) + if test "$ac_cv_func_nonposix_getgrgid_r" = yes; then + AC_DEFINE(HAVE_NONPOSIX_GETGRGID_R,1, + [Have non-POSIX function getgrgid_r]) + fi + fi + fi + LIBS="$G_THREAD_LIBS $LIBS" + if test x"$have_threads" = xposix; then + glib_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES" + dnl we might grow sizeof(pthread_t) later on, so use a dummy name here + GLIB_SIZEOF([#include ], pthread_t, system_thread) + # This is not AC_CHECK_FUNC to also work with function + # name mangling in header files. + AC_MSG_CHECKING(for pthread_attr_setstacksize) + AC_TRY_LINK([#include ], + [pthread_attr_t t; pthread_attr_setstacksize(&t,0)], + [AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE,1, + [Have function pthread_attr_setstacksize])], + [AC_MSG_RESULT(no)]) + AC_MSG_CHECKING(for minimal/maximal thread priority) + if test x"$posix_priority_min" = x; then + AC_EGREP_CPP(PX_PRIO_MIN,[#include + PX_PRIO_MIN],,[ + posix_priority_min=PX_PRIO_MIN + posix_priority_max=PX_PRIO_MAX]) + fi + if test x"$posix_priority_min" = x; then + # AIX + AC_EGREP_CPP(PTHREAD_PRIO_MIN,[#include + PTHREAD_PRIO_MIN],,[ + posix_priority_min=PTHREAD_PRIO_MIN + posix_priority_max=PTHREAD_PRIO_MAX]) + fi + if test x"$posix_priority_min" = x; then + AC_EGREP_CPP(PRI_OTHER_MIN,[#include + PRI_OTHER_MIN],,[ + posix_priority_min=PRI_OTHER_MIN + posix_priority_max=PRI_OTHER_MAX]) + fi + if test x"$posix_priority_min" = x; then + AC_MSG_RESULT(none found) + AC_MSG_WARN($POSIX_NO_PRIORITIES) + posix_priority_min=-1 + posix_priority_max=-1 + else + AC_MSG_RESULT($posix_priority_min/$posix_priority_max) + AC_MSG_CHECKING(for pthread_setschedparam) + AC_TRY_LINK([#include ], + [pthread_t t; pthread_setschedparam(t, 0, NULL)], + [AC_MSG_RESULT(yes) + AC_DEFINE_UNQUOTED(POSIX_MIN_PRIORITY,$posix_priority_min,[Minimum POSIX RT priority]) + AC_DEFINE_UNQUOTED(POSIX_MAX_PRIORITY,$posix_priority_max,[Maximum POSIX RT priority])], + [AC_MSG_RESULT(no) + AC_MSG_WARN($POSIX_NO_PRIORITIES)]) + fi + posix_yield_func=none + AC_MSG_CHECKING(for posix yield function) + for yield_func in sched_yield pthread_yield_np pthread_yield \ + thr_yield; do + AC_TRY_LINK([#include ], + [$yield_func()], + [posix_yield_func="$yield_func" + break]) + done + if test x"$posix_yield_func" = xnone; then + AC_MSG_RESULT(none found) + AC_MSG_WARN($POSIX_NO_YIELD) + posix_yield_func="g_usleep(1000)" + else + AC_MSG_RESULT($posix_yield_func) + posix_yield_func="$posix_yield_func()" + fi + AC_DEFINE_UNQUOTED(POSIX_YIELD_FUNC,$posix_yield_func,[The POSIX RT yield function]) + CPPFLAGS="$glib_save_CPPFLAGS" + + elif test x"$have_threads" = xwin32; then + # It's a pointer to a private struct + GLIB_SIZEOF(,struct _GThreadData *, system_thread) + fi + + LIBS="$glib_save_LIBS" + + # now spit out all the warnings. + if test "$ac_cv_func_posix_getpwuid_r" != "yes" && + test "$ac_cv_func_nonposix_getpwuid_r" != "yes"; then + AC_MSG_WARN($FUNC_NO_GETPWUID_R) + fi + if test "$ac_cv_func_localtime_r" != "yes"; then + AC_MSG_WARN($FUNC_NO_LOCALTIME_R) + fi +fi + +if test x"$glib_cv_sizeof_system_thread" = x; then + # use a pointer as a fallback. + GLIB_SIZEOF(,void *, system_thread) +fi + +# +# Hack to deal with: +# +# a) GCC < 3.3 for Linux doesn't include -lpthread when +# building shared libraries with linux. +# b) FreeBSD doesn't do this either. +# +case $host in + *-*-freebsd*|*-*-linux*) + G_THREAD_LIBS_FOR_GTHREAD="`echo $G_THREAD_LIBS | sed s/-pthread/-lpthread/`" + ;; + *-*-openbsd*) + LDFLAGS="$LDFLAGS -pthread" + ;; + *) + G_THREAD_LIBS_FOR_GTHREAD="$G_THREAD_LIBS" + ;; +esac + +AC_DEFINE_UNQUOTED(G_THREAD_SOURCE,"gthread-$have_threads.c", + [Source file containing theread implementation]) +AC_SUBST(G_THREAD_CFLAGS) +AC_SUBST(G_THREAD_LIBS) +AC_SUBST(G_THREAD_LIBS_FOR_GTHREAD) +AC_SUBST(G_THREAD_LIBS_EXTRA) + +dnl ********************************************** +dnl *** GDefaultMutex setup and initialization *** +dnl ********************************************** +dnl +dnl if mutex_has_default = yes, we also got +dnl mutex_default_type, mutex_default_init and mutex_header_file +if test $mutex_has_default = yes ; then + glib_save_CPPFLAGS="$CPPFLAGS" + glib_save_LIBS="$LIBS" + LIBS="$G_THREAD_LIBS $LIBS" + CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES" + GLIB_SIZEOF([#include <$mutex_header_file>], + $mutex_default_type, + gmutex) + GLIB_BYTE_CONTENTS([#include <$mutex_header_file>], + $mutex_default_type, + gmutex, + $glib_cv_sizeof_gmutex, + $mutex_default_init) + if test x"$glib_cv_byte_contents_gmutex" = xno; then + mutex_has_default=no + fi + CPPFLAGS="$glib_save_CPPFLAGS" + LIBS="$glib_save_LIBS" +fi + +dnl ************************ +dnl *** g_atomic_* tests *** +dnl ************************ + +AC_MSG_CHECKING([whether to use assembler code for atomic operations]) + case $host_cpu in + i386) + AC_MSG_RESULT([none]) + glib_memory_barrier_needed=no + ;; + i?86) + AC_MSG_RESULT([i486]) + AC_DEFINE_UNQUOTED(G_ATOMIC_I486, 1, + [i486 atomic implementation]) + glib_memory_barrier_needed=no + ;; + sparc*) + SPARCV9_WARNING="Try to rerun configure with CFLAGS='-mcpu=v9', + when you are using a sparc with v9 instruction set (most + sparcs nowadays). This will make the code for atomic + operations much faster. The resulting code will not run + on very old sparcs though." + + AC_LINK_IFELSE([AC_LANG_SOURCE([[ + main () + { + int tmp1, tmp2, tmp3; + __asm__ __volatile__("casx [%2], %0, %1" + : "=&r" (tmp1), "=&r" (tmp2) : "r" (&tmp3)); + }]])], + AC_MSG_RESULT([sparcv9]) + AC_DEFINE_UNQUOTED(G_ATOMIC_SPARCV9, 1, + [sparcv9 atomic implementation]), + AC_MSG_RESULT([no]) + AC_MSG_WARN([[$SPARCV9_WARNING]])) + glib_memory_barrier_needed=yes + ;; + alpha*) + AC_MSG_RESULT([alpha]) + AC_DEFINE_UNQUOTED(G_ATOMIC_ALPHA, 1, + [alpha atomic implementation]) + glib_memory_barrier_needed=yes + ;; + x86_64) + AC_MSG_RESULT([x86_64]) + AC_DEFINE_UNQUOTED(G_ATOMIC_X86_64, 1, + [x86_64 atomic implementation]) + glib_memory_barrier_needed=no + ;; + powerpc*) + AC_MSG_RESULT([powerpc]) + AC_DEFINE_UNQUOTED(G_ATOMIC_POWERPC, 1, + [powerpc atomic implementation]) + glib_memory_barrier_needed=yes + AC_MSG_CHECKING([whether asm supports numbered local labels]) + AC_TRY_COMPILE( + ,[ + __asm__ __volatile__ ("1: nop\n" + " bne- 1b") + ],[ + AC_DEFINE_UNQUOTED(ASM_NUMERIC_LABELS, 1, [define if asm blocks can use numeric local labels]) + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + ]) + ;; + ia64) + AC_MSG_RESULT([ia64]) + AC_DEFINE_UNQUOTED(G_ATOMIC_IA64, 1, + [ia64 atomic implementation]) + glib_memory_barrier_needed=yes + ;; + s390|s390x) + AC_MSG_RESULT([s390]) + AC_DEFINE_UNQUOTED(G_ATOMIC_S390, 1, + [s390 atomic implementation]) + glib_memory_barrier_needed=no + ;; + arm*) + AC_MSG_RESULT([arm]) + AC_DEFINE_UNQUOTED(G_ATOMIC_ARM, 1, + [arm atomic implementation]) + glib_memory_barrier_needed=no + ;; + crisv32*|etraxfs*) + AC_MSG_RESULT([crisv32]) + AC_DEFINE_UNQUOTED(G_ATOMIC_CRISV32, 1, + [crisv32 atomic implementation]) + glib_memory_barrier_needed=no + ;; + cris*|etrax*) + AC_MSG_RESULT([cris]) + AC_DEFINE_UNQUOTED(G_ATOMIC_CRIS, 1, + [cris atomic implementation]) + glib_memory_barrier_needed=no + ;; + *) + AC_MSG_RESULT([none]) + glib_memory_barrier_needed=yes + ;; + esac + +glib_cv_gcc_has_builtin_atomic_operations=no +if test x"$GCC" = xyes; then + AC_MSG_CHECKING([whether GCC supports built-in atomic intrinsics]) + AC_TRY_LINK([], + [int i; + __sync_synchronize (); + __sync_bool_compare_and_swap (&i, 0, 1); + __sync_fetch_and_add (&i, 1); + ], + [glib_cv_gcc_has_builtin_atomic_operations=yes], + [glib_cv_gcc_has_builtin_atomic_operations=no]) + + AC_MSG_RESULT($glib_cv_gcc_has_builtin_atomic_operations) +fi + +AC_MSG_CHECKING([for Win32 atomic intrinsics]) +glib_cv_has_win32_atomic_operations=no +AC_TRY_LINK([], + [int i; _InterlockedExchangeAdd (&i, 0);], + [glib_cv_has_win32_atomic_operations=yes], + [glib_cv_has_win32_atomic_operations=no]) +AC_MSG_RESULT($glib_cv_has_win32_atomic_operations) +if test "x$glib_cv_has_win32_atomic_operations" = xyes; then + AC_DEFINE(HAVE_WIN32_BUILTINS_FOR_ATOMIC_OPERATIONS,1,[Have Win32 atomic intrinsics]) +fi + +dnl ************************ +dnl ** Check for futex(2) ** +dnl ************************ +AC_CACHE_CHECK(for futex(2) system call, + glib_cv_futex,AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ +#include +#include +#include +],[ +int +main (void) +{ + /* it is not like this actually runs or anything... */ + syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT); + return 0; +} +])],glib_cv_futex=yes,glib_cv_futex=no)) +if test x"$glib_cv_futex" = xyes; then + AC_DEFINE(HAVE_FUTEX, 1, [we have the futex(2) system call]) +fi + +dnl this section will only be run if config.status is invoked with no +dnl arguments, or with "$1/glibconfig.h" as an argument. +AC_CONFIG_COMMANDS([$1/glibconfig.h], +[ + outfile=$1/glibconfig.h-tmp + cat > $outfile <<\_______EOF +/* glibconfig.h + * + * This is a generated file. Please modify 'configure.ac' + */ + +#ifndef __G_LIBCONFIG_H__ +#define __G_LIBCONFIG_H__ + +#include + +_______EOF + + if test x$glib_limits_h = xyes; then + echo '#include ' >> $outfile + fi + if test x$glib_float_h = xyes; then + echo '#include ' >> $outfile + fi + if test x$glib_values_h = xyes; then + echo '#include ' >> $outfile + fi + if test "$glib_header_alloca_h" = "yes"; then + echo '#define GLIB_HAVE_ALLOCA_H' >> $outfile + fi + if test x$glib_sys_poll_h = xyes; then + echo '#define GLIB_HAVE_SYS_POLL_H' >> $outfile + fi + if test x$glib_included_printf != xyes; then + echo " +/* Specifies that GLib's g_print*() functions wrap the + * system printf functions. This is useful to know, for example, + * when using glibc's register_printf_function(). + */" >> $outfile + echo '#define GLIB_USING_SYSTEM_PRINTF' >> $outfile + fi + + cat >> $outfile <<_______EOF + +G_BEGIN_DECLS + +#define G_MINFLOAT $glib_mf +#define G_MAXFLOAT $glib_Mf +#define G_MINDOUBLE $glib_md +#define G_MAXDOUBLE $glib_Md +#define G_MINSHORT $glib_ms +#define G_MAXSHORT $glib_Ms +#define G_MAXUSHORT $glib_Mus +#define G_MININT $glib_mi +#define G_MAXINT $glib_Mi +#define G_MAXUINT $glib_Mui +#define G_MINLONG $glib_ml +#define G_MAXLONG $glib_Ml +#define G_MAXULONG $glib_Mul + +_______EOF + + + ### this should always be true in a modern C/C++ compiler + cat >>$outfile <<_______EOF +typedef signed char gint8; +typedef unsigned char guint8; +_______EOF + + + if test -n "$gint16"; then + cat >>$outfile <<_______EOF +typedef signed $gint16 gint16; +typedef unsigned $gint16 guint16; +#define G_GINT16_MODIFIER $gint16_modifier +#define G_GINT16_FORMAT $gint16_format +#define G_GUINT16_FORMAT $guint16_format +_______EOF + fi + + + if test -n "$gint32"; then + cat >>$outfile <<_______EOF +typedef signed $gint32 gint32; +typedef unsigned $gint32 guint32; +#define G_GINT32_MODIFIER $gint32_modifier +#define G_GINT32_FORMAT $gint32_format +#define G_GUINT32_FORMAT $guint32_format +_______EOF + fi + + cat >>$outfile <<_______EOF +#define G_HAVE_GINT64 1 /* deprecated, always true */ + +${glib_extension}typedef signed $gint64 gint64; +${glib_extension}typedef unsigned $gint64 guint64; + +#define G_GINT64_CONSTANT(val) $gint64_constant +#define G_GUINT64_CONSTANT(val) $guint64_constant +_______EOF + + if test x$gint64_format != x ; then + cat >>$outfile <<_______EOF +#define G_GINT64_MODIFIER $gint64_modifier +#define G_GINT64_FORMAT $gint64_format +#define G_GUINT64_FORMAT $guint64_format +_______EOF + else + cat >>$outfile <<_______EOF +#undef G_GINT64_MODIFIER +#undef G_GINT64_FORMAT +#undef G_GUINT64_FORMAT +_______EOF + fi + + cat >>$outfile <<_______EOF + +#define GLIB_SIZEOF_VOID_P $glib_void_p +#define GLIB_SIZEOF_LONG $glib_long +#define GLIB_SIZEOF_SIZE_T $glib_size_t + +_______EOF + + cat >>$outfile <<_______EOF +typedef signed $glib_size_type_define gssize; +typedef unsigned $glib_size_type_define gsize; +#define G_GSIZE_MODIFIER $gsize_modifier +#define G_GSSIZE_FORMAT $gssize_format +#define G_GSIZE_FORMAT $gsize_format + +#define G_MAXSIZE G_MAXU$glib_msize_type +#define G_MINSSIZE G_MIN$glib_msize_type +#define G_MAXSSIZE G_MAX$glib_msize_type + +typedef gint64 goffset; +#define G_MINOFFSET G_MININT64 +#define G_MAXOFFSET G_MAXINT64 + +#define G_GOFFSET_MODIFIER G_GINT64_MODIFIER +#define G_GOFFSET_FORMAT G_GINT64_FORMAT +#define G_GOFFSET_CONSTANT(val) G_GINT64_CONSTANT(val) + +_______EOF + + if test -z "$glib_unknown_void_p"; then + cat >>$outfile <<_______EOF + +#define GPOINTER_TO_INT(p) ((gint) ${glib_gpi_cast} (p)) +#define GPOINTER_TO_UINT(p) ((guint) ${glib_gpui_cast} (p)) + +#define GINT_TO_POINTER(i) ((gpointer) ${glib_gpi_cast} (i)) +#define GUINT_TO_POINTER(u) ((gpointer) ${glib_gpui_cast} (u)) + +typedef signed $glib_intptr_type_define gintptr; +typedef unsigned $glib_intptr_type_define guintptr; + +#define G_GINTPTR_MODIFIER $gintptr_modifier +#define G_GINTPTR_FORMAT $gintptr_format +#define G_GUINTPTR_FORMAT $guintptr_format +_______EOF + else + echo '#error SIZEOF_VOID_P unknown - This should never happen' >>$outfile + fi + + + + cat >>$outfile <<_______EOF +$glib_atexit +$glib_memmove +$glib_defines +$glib_os +$glib_static_compilation + +$glib_vacopy + +#ifdef __cplusplus +#define G_HAVE_INLINE 1 +#else /* !__cplusplus */ +$glib_inline +#endif /* !__cplusplus */ + +#ifdef __cplusplus +#define G_CAN_INLINE 1 +_______EOF + + if test x$g_can_inline = xyes ; then + cat >>$outfile <<_______EOF +#else /* !__cplusplus */ +#define G_CAN_INLINE 1 +_______EOF + fi + + cat >>$outfile <<_______EOF +#endif + +_______EOF + + if test x$g_have_iso_c_varargs = xyes ; then + cat >>$outfile <<_______EOF +#ifndef __cplusplus +# define G_HAVE_ISO_VARARGS 1 +#endif +_______EOF + fi + if test x$g_have_iso_cxx_varargs = xyes ; then + cat >>$outfile <<_______EOF +#ifdef __cplusplus +# define G_HAVE_ISO_VARARGS 1 +#endif +_______EOF + fi + if test x$g_have_gnuc_varargs = xyes ; then + cat >>$outfile <<_______EOF + +/* gcc-2.95.x supports both gnu style and ISO varargs, but if -ansi + * is passed ISO vararg support is turned off, and there is no work + * around to turn it on, so we unconditionally turn it off. + */ +#if __GNUC__ == 2 && __GNUC_MINOR__ == 95 +# undef G_HAVE_ISO_VARARGS +#endif + +#define G_HAVE_GNUC_VARARGS 1 +_______EOF + fi + + echo >>$outfile + if test x$g_have_eilseq = xno; then + cat >>$outfile <<_______EOF +#ifndef EILSEQ +/* On some systems, like SunOS and NetBSD, EILSEQ is not defined. + * The correspondence between this and the corresponding definition + * in libiconv is essential. + */ +# define EILSEQ ENOENT +#endif +_______EOF + + fi + + if test x$g_have_gnuc_visibility = xyes; then + cat >>$outfile <<_______EOF +#define G_HAVE_GNUC_VISIBILITY 1 +_______EOF + fi + cat >>$outfile <<_______EOF +#if defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590) +#define G_GNUC_INTERNAL __attribute__((visibility("hidden"))) +#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550) +#define G_GNUC_INTERNAL __hidden +#elif defined (__GNUC__) && defined (G_HAVE_GNUC_VISIBILITY) +#define G_GNUC_INTERNAL __attribute__((visibility("hidden"))) +#else +#define G_GNUC_INTERNAL +#endif +_______EOF + + + echo >>$outfile + if test x$g_mutex_has_default = xyes; then + cat >>$outfile <<_______EOF +$g_enable_threads_def G_THREADS_ENABLED +#define G_THREADS_IMPL_$g_threads_impl_def +typedef struct _GStaticMutex GStaticMutex; +struct _GStaticMutex +{ + struct _GMutex *runtime_mutex; + union { + char pad[[$g_mutex_sizeof]]; + double dummy_double; + void *dummy_pointer; + long dummy_long; + } static_mutex; +}; +#define G_STATIC_MUTEX_INIT { NULL, { { $g_mutex_contents} } } +#define g_static_mutex_get_mutex(mutex) \\ + (g_thread_use_default_impl ? ((GMutex*)(gpointer) ((mutex)->static_mutex.pad)) : \\ + g_static_mutex_get_mutex_impl_shortcut (&((mutex)->runtime_mutex))) +_______EOF + else + cat >>$outfile <<_______EOF +$g_enable_threads_def G_THREADS_ENABLED +#define G_THREADS_IMPL_$g_threads_impl_def +typedef struct _GMutex* GStaticMutex; +#define G_STATIC_MUTEX_INIT NULL +#define g_static_mutex_get_mutex(mutex) \\ + (g_static_mutex_get_mutex_impl_shortcut (mutex)) +_______EOF + fi + + cat >>$outfile <<_______EOF +/* This represents a system thread as used by the implementation. An + * alien implementaion, as loaded by g_thread_init can only count on + * "sizeof (gpointer)" bytes to store their info. We however need more + * for some of our native implementations. */ +typedef union _GSystemThread GSystemThread; +union _GSystemThread +{ + char data[[$g_system_thread_sizeof]]; + double dummy_double; + void *dummy_pointer; + long dummy_long; +}; +_______EOF + if test x"$g_memory_barrier_needed" != xno; then + echo >>$outfile + echo "#define G_ATOMIC_OP_MEMORY_BARRIER_NEEDED 1" >>$outfile + fi + if test x"$g_gcc_atomic_ops" != xno; then + echo >>$outfile + echo "#define G_ATOMIC_OP_USE_GCC_BUILTINS 1" >>$outfile + fi + echo >>$outfile + g_bit_sizes="16 32 64" + for bits in $g_bit_sizes; do + cat >>$outfile <<_______EOF +#define GINT${bits}_TO_${g_bs_native}(val) ((gint${bits}) (val)) +#define GUINT${bits}_TO_${g_bs_native}(val) ((guint${bits}) (val)) +#define GINT${bits}_TO_${g_bs_alien}(val) ((gint${bits}) GUINT${bits}_SWAP_LE_BE (val)) +#define GUINT${bits}_TO_${g_bs_alien}(val) (GUINT${bits}_SWAP_LE_BE (val)) +_______EOF + done + + cat >>$outfile <<_______EOF +#define GLONG_TO_LE(val) ((glong) GINT${glongbits}_TO_LE (val)) +#define GULONG_TO_LE(val) ((gulong) GUINT${glongbits}_TO_LE (val)) +#define GLONG_TO_BE(val) ((glong) GINT${glongbits}_TO_BE (val)) +#define GULONG_TO_BE(val) ((gulong) GUINT${glongbits}_TO_BE (val)) +#define GINT_TO_LE(val) ((gint) GINT${gintbits}_TO_LE (val)) +#define GUINT_TO_LE(val) ((guint) GUINT${gintbits}_TO_LE (val)) +#define GINT_TO_BE(val) ((gint) GINT${gintbits}_TO_BE (val)) +#define GUINT_TO_BE(val) ((guint) GUINT${gintbits}_TO_BE (val)) +#define GSIZE_TO_LE(val) ((gsize) GUINT${gsizebits}_TO_LE (val)) +#define GSSIZE_TO_LE(val) ((gssize) GINT${gsizebits}_TO_LE (val)) +#define GSIZE_TO_BE(val) ((gsize) GUINT${gsizebits}_TO_BE (val)) +#define GSSIZE_TO_BE(val) ((gssize) GINT${gsizebits}_TO_BE (val)) +#define G_BYTE_ORDER $g_byte_order + +#define G_MODULE_SUFFIX "$g_module_suffix" + +/* A GPid is an abstraction for a process "handle". It is *not* an + * abstraction for a process identifier in general. GPid is used in + * GLib only for descendant processes spawned with the g_spawn* + * functions. On POSIX there is no "process handle" concept as such, + * but on Windows a GPid is a handle to a process, a kind of pointer, + * not a process identifier. + */ +typedef $g_pid_type GPid; + +G_END_DECLS + +#endif /* GLIBCONFIG_H */ +_______EOF + + + if cmp -s $outfile $1/glibconfig.h; then + AC_MSG_NOTICE([$1/glibconfig.h is unchanged]) + rm -f $outfile + else + mv $outfile $1/glibconfig.h + fi +],[ + +# Note that if two cases are the same, case goes with the first one. +# Note also that this is inside an AC_OUTPUT_COMMAND. We do not depend +# on variable expansion in case labels. Look at the generated config.status +# for a hint. + +if test "x${ac_cv_working_alloca_h+set}" = xset ; then + glib_header_alloca_h="$ac_cv_working_alloca_h" +else + glib_header_alloca_h="$ac_cv_header_alloca_h" +fi + +case xyes in +x$ac_cv_header_float_h) + glib_float_h=yes + glib_mf=FLT_MIN glib_Mf=FLT_MAX + glib_md=DBL_MIN glib_Md=DBL_MAX + ;; +x$ac_cv_header_values_h) + glib_values_h=yes + glib_mf=MINFLOAT glib_Mf=MAXFLOAT + glib_md=MINDOUBLE glib_Md=MAXDOUBLE + ;; +esac + +case xyes in +x$ac_cv_header_limits_h) + glib_limits_h=yes + glib_ms=SHRT_MIN glib_Ms=SHRT_MAX glib_Mus=USHRT_MAX + glib_mi=INT_MIN glib_Mi=INT_MAX glib_Mui=UINT_MAX + glib_ml=LONG_MIN glib_Ml=LONG_MAX glib_Mul=ULONG_MAX + ;; +x$ac_cv_header_values_h) + glib_values_h=yes + glib_ms=MINSHORT glib_Ms=MAXSHORT glib_Mus="(((gushort)G_MAXSHORT)*2+1)" + glib_mi=MININT glib_Mi=MAXINT glib_Mui="(((guint)G_MAXINT)*2+1)" + glib_ml=MINLONG glib_Ml=MAXLONG glib_Mul="(((gulong)G_MAXLONG)*2+1)" + ;; +esac + +if test x$ac_cv_header_sys_poll_h = xyes ; then + glib_sys_poll_h=yes +fi + +if test x$enable_included_printf = xyes ; then + glib_included_printf=yes +fi + +case x2 in +x$ac_cv_sizeof_short) + gint16=short + gint16_modifier='"h"' + gint16_format='"hi"' + guint16_format='"hu"' + ;; +x$ac_cv_sizeof_int) + gint16=int + gint16_modifier='""' + gint16_format='"i"' + guint16_format='"u"' + ;; +esac +case x4 in +x$ac_cv_sizeof_short) + gint32=short + gint32_modifier='"h"' + gint32_format='"hi"' + guint32_format='"hu"' + ;; +x$ac_cv_sizeof_int) + gint32=int + gint32_modifier='""' + gint32_format='"i"' + guint32_format='"u"' + ;; +x$ac_cv_sizeof_long) + gint32=long + gint32_modifier='"l"' + gint32_format='"li"' + guint32_format='"lu"' + ;; +esac +case x8 in +x$ac_cv_sizeof_int) + gint64=int + gint64_modifier='""' + gint64_format='"i"' + guint64_format='"u"' + glib_extension= + gint64_constant='(val)' + guint64_constant='(val)' + ;; +x$ac_cv_sizeof_long) + gint64=long + gint64_modifier='"l"' + gint64_format='"li"' + guint64_format='"lu"' + glib_extension= + gint64_constant='(val##L)' + guint64_constant='(val##UL)' + ;; +x$ac_cv_sizeof_long_long) + gint64='long long' + if test -n "$glib_cv_long_long_format"; then + gint64_modifier='"'$glib_cv_long_long_format'"' + gint64_format='"'$glib_cv_long_long_format'i"' + guint64_format='"'$glib_cv_long_long_format'u"' + fi + glib_extension='G_GNUC_EXTENSION ' + gint64_constant='(G_GNUC_EXTENSION (val##LL))' + guint64_constant='(G_GNUC_EXTENSION (val##ULL))' + ;; +x$ac_cv_sizeof___int64) + gint64='__int64' + if test -n "$glib_cv_long_long_format"; then + gint64_modifier='"'$glib_cv_long_long_format'"' + gint64_format='"'$glib_cv_long_long_format'i"' + guint64_format='"'$glib_cv_long_long_format'u"' + fi + glib_extension= + gint64_constant='(val##i64)' + guint64_constant='(val##ui64)' + ;; +esac +glib_size_t=$ac_cv_sizeof_size_t +glib_size_type_define="$glib_size_type" +glib_void_p=$ac_cv_sizeof_void_p +glib_long=$ac_cv_sizeof_long + +case "$glib_size_type" in +short) + gsize_modifier='"h"' + gsize_format='"hu"' + gssize_format='"hi"' + glib_msize_type='SHRT' + ;; +int) + gsize_modifier='""' + gsize_format='"u"' + gssize_format='"i"' + glib_msize_type='INT' + ;; +long) + gsize_modifier='"l"' + gsize_format='"lu"' + gssize_format='"li"' + glib_msize_type='LONG' + ;; +"long long"|__int64) + gsize_modifier='"I64"' + gsize_format='"I64u"' + gssize_format='"I64i"' + glib_msize_type='INT64' + ;; +esac + +gintbits=`expr $ac_cv_sizeof_int \* 8 2>/dev/null` +glongbits=`expr $ac_cv_sizeof_long \* 8 2>/dev/null` +gsizebits=`expr $ac_cv_sizeof_size_t \* 8 2>/dev/null` + +case x"$ac_cv_sizeof_void_p" in +x$ac_cv_sizeof_int) + glib_intptr_type_define=int + gintptr_modifier='""' + gintptr_format='"i"' + guintptr_format='"u"' + glib_gpi_cast='' + glib_gpui_cast='' + ;; +x$ac_cv_sizeof_long) + glib_intptr_type_define=long + gintptr_modifier='"l"' + gintptr_format='"li"' + guintptr_format='"lu"' + glib_gpi_cast='(glong)' + glib_gpui_cast='(gulong)' + ;; +x$ac_cv_sizeof_long_long) + glib_intptr_type_define='long long' + gintptr_modifier='"I64"' + gintptr_format='"I64i"' + guintptr_format='"I64u"' + glib_gpi_cast='(gint64)' + glib_gpui_cast='(guint64)' + ;; +x$ac_cv_sizeof___int64) + glib_intptr_type_define=__int64 + gintptr_modifier='"I64"' + gintptr_format='"I64i"' + guintptr_format='"I64u"' + glib_gpi_cast='(gint64)' + glib_gpui_cast='(guint64)' + ;; +*) + glib_unknown_void_p=yes + ;; +esac + + +case xyes in +x$ac_cv_func_atexit) + glib_atexit=" +#ifdef NeXT /* @#%@! NeXTStep */ +# define g_ATEXIT(proc) (!atexit (proc)) +#else +# define g_ATEXIT(proc) (atexit (proc)) +#endif" + ;; +x$ac_cv_func_on_exit) + glib_atexit=" +#define g_ATEXIT(proc) (on_exit ((void (*)(int, void*))(proc), NULL))" + ;; +esac + +case xyes in +x$ac_cv_func_memmove) + glib_memmove=' +#define g_memmove(dest,src,len) G_STMT_START { memmove ((dest), (src), (len)); } G_STMT_END' + ;; +x$glib_cv_working_bcopy) + glib_memmove=" +/* memmove isn't available, but bcopy can copy overlapping memory regions */ +#define g_memmove(d,s,n) G_STMT_START { bcopy ((s), (d), (n)); } G_STMT_END" + ;; +*) + glib_memmove=" +/* memmove isn't found and bcopy can't copy overlapping memory regions, + * so we have to roll our own copy routine. */ +void g_memmove (void* dest, const void * src, unsigned long len);" + ;; +esac + +glib_defines=" +#define GLIB_MAJOR_VERSION $GLIB_MAJOR_VERSION +#define GLIB_MINOR_VERSION $GLIB_MINOR_VERSION +#define GLIB_MICRO_VERSION $GLIB_MICRO_VERSION +" + +case xyes in +x$glib_cv_va_copy) glib_vacopy='#define G_VA_COPY va_copy' ;; +x$glib_cv___va_copy) glib_vacopy='#define G_VA_COPY __va_copy' ;; +*) glib_vacopy='' +esac + +if test x$glib_cv_va_val_copy = xno; then + glib_vacopy="\$glib_vacopy +#define G_VA_COPY_AS_ARRAY 1" +fi + +if test x$glib_cv_hasinline = xyes; then + glib_inline='#define G_HAVE_INLINE 1' +fi +if test x$glib_cv_has__inline = xyes; then + glib_inline="\$glib_inline +#define G_HAVE___INLINE 1" +fi +if test x$glib_cv_has__inline__ = xyes; then + glib_inline="\$glib_inline +#define G_HAVE___INLINE__ 1" +fi + +g_have_gnuc_varargs=$g_have_gnuc_varargs +g_have_iso_c_varargs=$g_have_iso_c_varargs +g_have_iso_cxx_varargs=$g_have_iso_cxx_varargs + +g_can_inline=$g_can_inline +g_have_gnuc_visibility=$g_have_gnuc_visibility +g_have_sunstudio_visibility=$g_have_sunstudio_visibility + +if test x$ac_cv_c_bigendian = xyes; then + g_byte_order=G_BIG_ENDIAN + g_bs_native=BE + g_bs_alien=LE +else + g_byte_order=G_LITTLE_ENDIAN + g_bs_native=LE + g_bs_alien=BE +fi + +g_pollin=$glib_cv_value_POLLIN +g_pollout=$glib_cv_value_POLLOUT +g_pollpri=$glib_cv_value_POLLPRI +g_pollhup=$glib_cv_value_POLLHUP +g_pollerr=$glib_cv_value_POLLERR +g_pollnval=$glib_cv_value_POLLNVAL + +g_af_unix=$glib_cv_value_AF_UNIX +g_af_inet=$glib_cv_value_AF_INET +g_af_inet6=$glib_cv_value_AF_INET6 + +g_msg_peek=$glib_cv_value_MSG_PEEK +g_msg_oob=$glib_cv_value_MSG_OOB +g_msg_dontroute=$glib_cv_value_MSG_DONTROUTE + +g_have_eilseq=$have_eilseq + +case x$have_threads in +xno) g_enable_threads_def="#undef";; +*) g_enable_threads_def="#define";; +esac + +g_threads_impl_def=$g_threads_impl + +g_mutex_has_default="$mutex_has_default" +g_mutex_sizeof="$glib_cv_sizeof_gmutex" +g_system_thread_sizeof="$glib_cv_sizeof_system_thread" +g_mutex_contents="$glib_cv_byte_contents_gmutex" + +g_memory_barrier_needed="$glib_memory_barrier_needed" +g_gcc_atomic_ops="$glib_cv_gcc_has_builtin_atomic_operations" + +g_module_suffix="$glib_gmodule_suffix" + +g_pid_type="$glib_pid_type" +case $host in + *-*-beos*) + glib_os="#define G_OS_BEOS" + ;; + *-*-cygwin*) + glib_os="#define G_OS_UNIX +#define G_PLATFORM_WIN32 +#define G_WITH_CYGWIN" + ;; + *-*-mingw*) + glib_os="#define G_OS_WIN32 +#define G_PLATFORM_WIN32" + ;; + *) + glib_os="#define G_OS_UNIX" + ;; +esac +glib_static_compilation="" +if test x$glib_win32_static_compilation = xyes; then + glib_static_compilation="#define GLIB_STATIC_COMPILATION 1 +#define GOBJECT_STATIC_COMPILATION 1" +fi +])dnl AC_CONFIG_COMMANDS + +])dnl AC_DEFUN diff --git a/build/autotools/as-linguas.m4 b/build/autotools/as-linguas.m4 new file mode 100644 index 0000000..92b28f7 --- /dev/null +++ b/build/autotools/as-linguas.m4 @@ -0,0 +1,24 @@ +# Set ALL_ALL_LINGUAS based on the .po files present. Optional argument is the +# name of the po directory. $podir/LINGUAS.ignore can be used to ignore a +# subset of the po files. + +AC_DEFUN([AS_ALL_LINGUAS], +[ + AC_MSG_CHECKING([for linguas]) + podir="m4_default([$1],[$srcdir/po])" + linguas=`cd $podir && ls *.po 2>/dev/null | awk 'BEGIN { FS="."; ORS=" " } { print $[]1 }'` + if test -f "$podir/LINGUAS.ignore"; then + ALL_LINGUAS=""; + ignore_linguas=`sed -n -e 's/^\s\+\|\s\+$//g' -e '/^#/b' -e '/\S/!b' \ + -e 's/\s\+/\n/g' -e p "$podir/LINGUAS.ignore"`; + for lang in $linguas; do + if ! echo "$ignore_linguas" | grep -q "^${lang}$"; then + ALL_LINGUAS="$ALL_LINGUAS $lang"; + fi; + done; + else + ALL_LINGUAS="$linguas"; + fi; + AC_SUBST([ALL_LINGUAS]) + AC_MSG_RESULT($ALL_LINGUAS) +]) diff --git a/build/autotools/gettext.m4 b/build/autotools/gettext.m4 new file mode 100644 index 0000000..c9ae1f7 --- /dev/null +++ b/build/autotools/gettext.m4 @@ -0,0 +1,381 @@ +# gettext.m4 serial 60 (gettext-0.17) +dnl Copyright (C) 1995-2007 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper , 1995-2000. +dnl Bruno Haible , 2000-2006. + +dnl Macro to add for using GNU gettext. + +dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]). +dnl INTLSYMBOL can be one of 'external', 'no-libtool', 'use-libtool'. The +dnl default (if it is not specified or empty) is 'no-libtool'. +dnl INTLSYMBOL should be 'external' for packages with no intl directory, +dnl and 'no-libtool' or 'use-libtool' for packages with an intl directory. +dnl If INTLSYMBOL is 'use-libtool', then a libtool library +dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static, +dnl depending on --{enable,disable}-{shared,static} and on the presence of +dnl AM-DISABLE-SHARED). If INTLSYMBOL is 'no-libtool', a static library +dnl $(top_builddir)/intl/libintl.a will be created. +dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext +dnl implementations (in libc or libintl) without the ngettext() function +dnl will be ignored. If NEEDSYMBOL is specified and is +dnl 'need-formatstring-macros', then GNU gettext implementations that don't +dnl support the ISO C 99 formatstring macros will be ignored. +dnl INTLDIR is used to find the intl libraries. If empty, +dnl the value `$(top_builddir)/intl/' is used. +dnl +dnl The result of the configuration is one of three cases: +dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled +dnl and used. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 2) GNU gettext has been found in the system's C library. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 3) No internationalization, always use English msgid. +dnl Catalog format: none +dnl Catalog extension: none +dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur. +dnl The use of .gmo is historical (it was needed to avoid overwriting the +dnl GNU format catalogs when building on a platform with an X/Open gettext), +dnl but we keep it in order not to force irrelevant filename changes on the +dnl maintainers. +dnl +AC_DEFUN([AM_GNU_GETTEXT], +[ + dnl Argument checking. + ifelse([$1], [], , [ifelse([$1], [external], , [ifelse([$1], [no-libtool], , [ifelse([$1], [use-libtool], , + [errprint([ERROR: invalid first argument to AM_GNU_GETTEXT +])])])])]) + ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], , + [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT +])])])]) + define([gt_included_intl], + ifelse([$1], [external], + ifdef([AM_GNU_GETTEXT_][INTL_SUBDIR], [yes], [no]), + [yes])) + define([gt_libtool_suffix_prefix], ifelse([$1], [use-libtool], [l], [])) + gt_NEEDS_INIT + AM_GNU_GETTEXT_NEED([$2]) + + AC_REQUIRE([AM_PO_SUBDIRS])dnl + ifelse(gt_included_intl, yes, [ + AC_REQUIRE([AM_INTL_SUBDIR])dnl + ]) + + dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + + dnl Sometimes libintl requires libiconv, so first search for libiconv. + dnl Ideally we would do this search only after the + dnl if test "$USE_NLS" = "yes"; then + dnl if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then + dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT + dnl the configure script would need to contain the same shell code + dnl again, outside any 'if'. There are two solutions: + dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'. + dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE. + dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not + dnl documented, we avoid it. + ifelse(gt_included_intl, yes, , [ + AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) + ]) + + dnl Sometimes, on MacOS X, libintl requires linking with CoreFoundation. + gt_INTL_MACOSX + + dnl Set USE_NLS. + AC_REQUIRE([AM_NLS]) + + ifelse(gt_included_intl, yes, [ + BUILD_INCLUDED_LIBINTL=no + USE_INCLUDED_LIBINTL=no + ]) + LIBINTL= + LTLIBINTL= + POSUB= + + dnl Add a version number to the cache macros. + case " $gt_needs " in + *" need-formatstring-macros "*) gt_api_version=3 ;; + *" need-ngettext "*) gt_api_version=2 ;; + *) gt_api_version=1 ;; + esac + gt_func_gnugettext_libc="gt_cv_func_gnugettext${gt_api_version}_libc" + gt_func_gnugettext_libintl="gt_cv_func_gnugettext${gt_api_version}_libintl" + + dnl If we use NLS figure out what method + if test "$USE_NLS" = "yes"; then + gt_use_preinstalled_gnugettext=no + ifelse(gt_included_intl, yes, [ + AC_MSG_CHECKING([whether included gettext is requested]) + AC_ARG_WITH(included-gettext, + [ --with-included-gettext use the GNU gettext library included here], + nls_cv_force_use_gnu_gettext=$withval, + nls_cv_force_use_gnu_gettext=no) + AC_MSG_RESULT($nls_cv_force_use_gnu_gettext) + + nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" + if test "$nls_cv_force_use_gnu_gettext" != "yes"; then + ]) + dnl User does not insist on using GNU NLS library. Figure out what + dnl to use. If GNU gettext is available we use this. Else we have + dnl to fall back to GNU NLS library. + + if test $gt_api_version -ge 3; then + gt_revision_test_code=' +#ifndef __GNU_GETTEXT_SUPPORTED_REVISION +#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1) +#endif +changequote(,)dnl +typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1]; +changequote([,])dnl +' + else + gt_revision_test_code= + fi + if test $gt_api_version -ge 2; then + gt_expression_test_code=' + * ngettext ("", "", 0)' + else + gt_expression_test_code= + fi + + AC_CACHE_CHECK([for GNU gettext in libc], [$gt_func_gnugettext_libc], + [AC_TRY_LINK([#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern int *_nl_domain_bindings;], + [bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_domain_bindings], + [eval "$gt_func_gnugettext_libc=yes"], + [eval "$gt_func_gnugettext_libc=no"])]) + + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then + dnl Sometimes libintl requires libiconv, so first search for libiconv. + ifelse(gt_included_intl, yes, , [ + AM_ICONV_LINK + ]) + dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL + dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv]) + dnl because that would add "-liconv" to LIBINTL and LTLIBINTL + dnl even if libiconv doesn't exist. + AC_LIB_LINKFLAGS_BODY([intl]) + AC_CACHE_CHECK([for GNU gettext in libintl], + [$gt_func_gnugettext_libintl], + [gt_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $INCINTL" + gt_save_LIBS="$LIBS" + LIBS="$LIBS $LIBINTL" + dnl Now see whether libintl exists and does not depend on libiconv. + AC_TRY_LINK([#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *);], + [bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("")], + [eval "$gt_func_gnugettext_libintl=yes"], + [eval "$gt_func_gnugettext_libintl=no"]) + dnl Now see whether libintl exists and depends on libiconv. + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" != yes; } && test -n "$LIBICONV"; then + LIBS="$LIBS $LIBICONV" + AC_TRY_LINK([#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *);], + [bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("")], + [LIBINTL="$LIBINTL $LIBICONV" + LTLIBINTL="$LTLIBINTL $LTLIBICONV" + eval "$gt_func_gnugettext_libintl=yes" + ]) + fi + CPPFLAGS="$gt_save_CPPFLAGS" + LIBS="$gt_save_LIBS"]) + fi + + dnl If an already present or preinstalled GNU gettext() is found, + dnl use it. But if this macro is used in GNU gettext, and GNU + dnl gettext is already preinstalled in libintl, we update this + dnl libintl. (Cf. the install rule in intl/Makefile.in.) + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes"; } \ + || { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; } \ + && test "$PACKAGE" != gettext-runtime \ + && test "$PACKAGE" != gettext-tools; }; then + gt_use_preinstalled_gnugettext=yes + else + dnl Reset the values set by searching for libintl. + LIBINTL= + LTLIBINTL= + INCINTL= + fi + + ifelse(gt_included_intl, yes, [ + if test "$gt_use_preinstalled_gnugettext" != "yes"; then + dnl GNU gettext is not found in the C library. + dnl Fall back on included GNU gettext library. + nls_cv_use_gnu_gettext=yes + fi + fi + + if test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Mark actions used to generate GNU NLS library. + BUILD_INCLUDED_LIBINTL=yes + USE_INCLUDED_LIBINTL=yes + LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV $LIBTHREAD" + LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV $LTLIBTHREAD" + LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'` + fi + + CATOBJEXT= + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Mark actions to use GNU gettext tools. + CATOBJEXT=.gmo + fi + ]) + + if test -n "$INTL_MACOSX_LIBS"; then + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Some extra flags are needed during linking. + LIBINTL="$LIBINTL $INTL_MACOSX_LIBS" + LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS" + fi + fi + + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + AC_DEFINE(ENABLE_NLS, 1, + [Define to 1 if translation of program messages to the user's native language + is requested.]) + else + USE_NLS=no + fi + fi + + AC_MSG_CHECKING([whether to use NLS]) + AC_MSG_RESULT([$USE_NLS]) + if test "$USE_NLS" = "yes"; then + AC_MSG_CHECKING([where the gettext function comes from]) + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + gt_source="external libintl" + else + gt_source="libc" + fi + else + gt_source="included intl directory" + fi + AC_MSG_RESULT([$gt_source]) + fi + + if test "$USE_NLS" = "yes"; then + + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + AC_MSG_CHECKING([how to link with libintl]) + AC_MSG_RESULT([$LIBINTL]) + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL]) + fi + + dnl For backward compatibility. Some packages may be using this. + AC_DEFINE(HAVE_GETTEXT, 1, + [Define if the GNU gettext() function is already present or preinstalled.]) + AC_DEFINE(HAVE_DCGETTEXT, 1, + [Define if the GNU dcgettext() function is already present or preinstalled.]) + fi + + dnl We need to process the po/ directory. + POSUB=po + fi + + ifelse(gt_included_intl, yes, [ + dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL + dnl to 'yes' because some of the testsuite requires it. + if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then + BUILD_INCLUDED_LIBINTL=yes + fi + + dnl Make all variables we use known to autoconf. + AC_SUBST(BUILD_INCLUDED_LIBINTL) + AC_SUBST(USE_INCLUDED_LIBINTL) + AC_SUBST(CATOBJEXT) + + dnl For backward compatibility. Some configure.ins may be using this. + nls_cv_header_intl= + nls_cv_header_libgt= + + dnl For backward compatibility. Some Makefiles may be using this. + DATADIRNAME=share + AC_SUBST(DATADIRNAME) + + dnl For backward compatibility. Some Makefiles may be using this. + INSTOBJEXT=.mo + AC_SUBST(INSTOBJEXT) + + dnl For backward compatibility. Some Makefiles may be using this. + GENCAT=gencat + AC_SUBST(GENCAT) + + dnl For backward compatibility. Some Makefiles may be using this. + INTLOBJS= + if test "$USE_INCLUDED_LIBINTL" = yes; then + INTLOBJS="\$(GETTOBJS)" + fi + AC_SUBST(INTLOBJS) + + dnl Enable libtool support if the surrounding package wishes it. + INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix + AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX) + ]) + + dnl For backward compatibility. Some Makefiles may be using this. + INTLLIBS="$LIBINTL" + AC_SUBST(INTLLIBS) + + dnl Make all documented variables known to autoconf. + AC_SUBST(LIBINTL) + AC_SUBST(LTLIBINTL) + AC_SUBST(POSUB) +]) + + +dnl gt_NEEDS_INIT ensures that the gt_needs variable is initialized. +m4_define([gt_NEEDS_INIT], +[ + m4_divert_text([DEFAULTS], [gt_needs=]) + m4_define([gt_NEEDS_INIT], []) +]) + + +dnl Usage: AM_GNU_GETTEXT_NEED([NEEDSYMBOL]) +AC_DEFUN([AM_GNU_GETTEXT_NEED], +[ + m4_divert_text([INIT_PREPARE], [gt_needs="$gt_needs $1"]) +]) + + +dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version]) +AC_DEFUN([AM_GNU_GETTEXT_VERSION], []) diff --git a/build/autotools/gtk-doc.m4 b/build/autotools/gtk-doc.m4 new file mode 100644 index 0000000..ac2eccb --- /dev/null +++ b/build/autotools/gtk-doc.m4 @@ -0,0 +1,71 @@ +dnl -*- mode: autoconf -*- + +# serial 1 + +dnl Usage: +dnl GTK_DOC_CHECK([minimum-gtk-doc-version]) +AC_DEFUN([GTK_DOC_CHECK], +[ + AC_REQUIRE([PKG_PROG_PKG_CONFIG]) + AC_BEFORE([AC_PROG_LIBTOOL],[$0])dnl setup libtool first + AC_BEFORE([AM_PROG_LIBTOOL],[$0])dnl setup libtool first + + dnl check for tools we added during development + AC_PATH_PROG([GTKDOC_CHECK],[gtkdoc-check]) + AC_PATH_PROGS([GTKDOC_REBASE],[gtkdoc-rebase],[true]) + AC_PATH_PROG([GTKDOC_MKPDF],[gtkdoc-mkpdf]) + + dnl for overriding the documentation installation directory + AC_ARG_WITH([html-dir], + AS_HELP_STRING([--with-html-dir=PATH], [path to installed docs]),, + [with_html_dir='${datadir}/gtk-doc/html']) + HTML_DIR="$with_html_dir" + AC_SUBST([HTML_DIR]) + + dnl enable/disable documentation building + AC_ARG_ENABLE([gtk-doc], + AS_HELP_STRING([--enable-gtk-doc], + [use gtk-doc to build documentation [[default=no]]]),, + [enable_gtk_doc=no]) + + if test x$enable_gtk_doc = xyes; then + ifelse([$1],[], + [PKG_CHECK_EXISTS([gtk-doc],, + AC_MSG_ERROR([gtk-doc not installed and --enable-gtk-doc requested]))], + [PKG_CHECK_EXISTS([gtk-doc >= $1],, + AC_MSG_ERROR([You need to have gtk-doc >= $1 installed to build $PACKAGE_NAME]))]) + dnl don't check for glib if we build glib + if test "x$PACKAGE_NAME" != "xglib"; then + dnl don't fail if someone does not have glib + PKG_CHECK_MODULES(GTKDOC_DEPS, glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0,,[:]) + fi + fi + + AC_MSG_CHECKING([whether to build gtk-doc documentation]) + AC_MSG_RESULT($enable_gtk_doc) + + dnl enable/disable output formats + AC_ARG_ENABLE([gtk-doc-html], + AS_HELP_STRING([--enable-gtk-doc-html], + [build documentation in html format [[default=yes]]]),, + [enable_gtk_doc_html=yes]) + AC_ARG_ENABLE([gtk-doc-pdf], + AS_HELP_STRING([--enable-gtk-doc-pdf], + [build documentation in pdf format [[default=no]]]),, + [enable_gtk_doc_pdf=no]) + + if test -z "$GTKDOC_MKPDF"; then + enable_gtk_doc_pdf=no + fi + + if test -z "$AM_DEFAULT_VERBOSITY"; then + AM_DEFAULT_VERBOSITY=1 + fi + AC_SUBST([AM_DEFAULT_VERBOSITY]) + + AM_CONDITIONAL([ENABLE_GTK_DOC], [test x$enable_gtk_doc = xyes]) + AM_CONDITIONAL([GTK_DOC_BUILD_HTML], [test x$enable_gtk_doc_html = xyes]) + AM_CONDITIONAL([GTK_DOC_BUILD_PDF], [test x$enable_gtk_doc_pdf = xyes]) + AM_CONDITIONAL([GTK_DOC_USE_LIBTOOL], [test -n "$LIBTOOL"]) + AM_CONDITIONAL([GTK_DOC_USE_REBASE], [test -n "$GTKDOC_REBASE"]) +]) diff --git a/build/autotools/iconv.m4 b/build/autotools/iconv.m4 new file mode 100644 index 0000000..66bc76f --- /dev/null +++ b/build/autotools/iconv.m4 @@ -0,0 +1,180 @@ +# iconv.m4 serial AM6 (gettext-0.17) +dnl Copyright (C) 2000-2002, 2007 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_DEFUN([AM_ICONV_LINKFLAGS_BODY], +[ + dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + + dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV + dnl accordingly. + AC_LIB_LINKFLAGS_BODY([iconv]) +]) + +AC_DEFUN([AM_ICONV_LINK], +[ + dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and + dnl those with the standalone portable GNU libiconv installed). + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV + dnl accordingly. + AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) + + dnl Add $INCICONV to CPPFLAGS before performing the following checks, + dnl because if the user has installed libiconv and not disabled its use + dnl via --without-libiconv-prefix, he wants to use it. The first + dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed. + am_save_CPPFLAGS="$CPPFLAGS" + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) + + AC_CACHE_CHECK([for iconv], am_cv_func_iconv, [ + am_cv_func_iconv="no, consider installing GNU libiconv" + am_cv_lib_iconv=no + AC_TRY_LINK([#include +#include ], + [iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);], + am_cv_func_iconv=yes) + if test "$am_cv_func_iconv" != yes; then + am_save_LIBS="$LIBS" + LIBS="$LIBS $LIBICONV" + AC_TRY_LINK([#include +#include ], + [iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);], + am_cv_lib_iconv=yes + am_cv_func_iconv=yes) + LIBS="$am_save_LIBS" + fi + ]) + if test "$am_cv_func_iconv" = yes; then + AC_CACHE_CHECK([for working iconv], am_cv_func_iconv_works, [ + dnl This tests against bugs in AIX 5.1 and HP-UX 11.11. + am_save_LIBS="$LIBS" + if test $am_cv_lib_iconv = yes; then + LIBS="$LIBS $LIBICONV" + fi + AC_TRY_RUN([ +#include +#include +int main () +{ + /* Test against AIX 5.1 bug: Failures are not distinguishable from successful + returns. */ + { + iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8"); + if (cd_utf8_to_88591 != (iconv_t)(-1)) + { + static const char input[] = "\342\202\254"; /* EURO SIGN */ + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_utf8_to_88591, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + return 1; + } + } +#if 0 /* This bug could be worked around by the caller. */ + /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; + char buf[50]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if ((int)res > 0) + return 1; + } + } +#endif + /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is + provided. */ + if (/* Try standardized names. */ + iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1) + /* Try IRIX, OSF/1 names. */ + && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1) + /* Try AIX names. */ + && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1) + /* Try HP-UX names. */ + && iconv_open ("utf8", "eucJP") == (iconv_t)(-1)) + return 1; + return 0; +}], [am_cv_func_iconv_works=yes], [am_cv_func_iconv_works=no], + [case "$host_os" in + aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; + *) am_cv_func_iconv_works="guessing yes" ;; + esac]) + LIBS="$am_save_LIBS" + ]) + case "$am_cv_func_iconv_works" in + *no) am_func_iconv=no am_cv_lib_iconv=no ;; + *) am_func_iconv=yes ;; + esac + else + am_func_iconv=no am_cv_lib_iconv=no + fi + if test "$am_func_iconv" = yes; then + AC_DEFINE(HAVE_ICONV, 1, + [Define if you have the iconv() function and it works.]) + fi + if test "$am_cv_lib_iconv" = yes; then + AC_MSG_CHECKING([how to link with libiconv]) + AC_MSG_RESULT([$LIBICONV]) + else + dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV + dnl either. + CPPFLAGS="$am_save_CPPFLAGS" + LIBICONV= + LTLIBICONV= + fi + AC_SUBST(LIBICONV) + AC_SUBST(LTLIBICONV) +]) + +AC_DEFUN([AM_ICONV], +[ + AM_ICONV_LINK + if test "$am_cv_func_iconv" = yes; then + AC_MSG_CHECKING([for iconv declaration]) + AC_CACHE_VAL(am_cv_proto_iconv, [ + AC_TRY_COMPILE([ +#include +#include +extern +#ifdef __cplusplus +"C" +#endif +#if defined(__STDC__) || defined(__cplusplus) +size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); +#else +size_t iconv(); +#endif +], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const") + am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) + am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` + AC_MSG_RESULT([$]{ac_t:- + }[$]am_cv_proto_iconv) + AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1, + [Define as const if the declaration of iconv() needs const.]) + fi +]) diff --git a/build/autotools/intlmacosx.m4 b/build/autotools/intlmacosx.m4 new file mode 100644 index 0000000..d3f0d90 --- /dev/null +++ b/build/autotools/intlmacosx.m4 @@ -0,0 +1,51 @@ +# intlmacosx.m4 serial 1 (gettext-0.17) +dnl Copyright (C) 2004-2007 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Checks for special options needed on MacOS X. +dnl Defines INTL_MACOSX_LIBS. +AC_DEFUN([gt_INTL_MACOSX], +[ + dnl Check for API introduced in MacOS X 10.2. + AC_CACHE_CHECK([for CFPreferencesCopyAppValue], + gt_cv_func_CFPreferencesCopyAppValue, + [gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + AC_TRY_LINK([#include ], + [CFPreferencesCopyAppValue(NULL, NULL)], + [gt_cv_func_CFPreferencesCopyAppValue=yes], + [gt_cv_func_CFPreferencesCopyAppValue=no]) + LIBS="$gt_save_LIBS"]) + if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then + AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], 1, + [Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in the CoreFoundation framework.]) + fi + dnl Check for API introduced in MacOS X 10.3. + AC_CACHE_CHECK([for CFLocaleCopyCurrent], gt_cv_func_CFLocaleCopyCurrent, + [gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + AC_TRY_LINK([#include ], [CFLocaleCopyCurrent();], + [gt_cv_func_CFLocaleCopyCurrent=yes], + [gt_cv_func_CFLocaleCopyCurrent=no]) + LIBS="$gt_save_LIBS"]) + if test $gt_cv_func_CFLocaleCopyCurrent = yes; then + AC_DEFINE([HAVE_CFLOCALECOPYCURRENT], 1, + [Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the CoreFoundation framework.]) + fi + INTL_MACOSX_LIBS= + if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then + INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation" + fi + AC_SUBST([INTL_MACOSX_LIBS]) +]) diff --git a/build/autotools/lib-ld.m4 b/build/autotools/lib-ld.m4 new file mode 100644 index 0000000..96c4e2c --- /dev/null +++ b/build/autotools/lib-ld.m4 @@ -0,0 +1,110 @@ +# lib-ld.m4 serial 3 (gettext-0.13) +dnl Copyright (C) 1996-2003 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Subroutines of libtool.m4, +dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision +dnl with libtool.m4. + +dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no. +AC_DEFUN([AC_LIB_PROG_LD_GNU], +[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld, +[# I'd rather use --version here, but apparently some GNU ld's only accept -v. +case `$LD -v 2>&1 conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by GCC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]* | [A-Za-z]:[\\/]*)] + [re_direlt='/[^/][^/]*/\.\./'] + # Canonicalize the path of ld + ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` + while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do + ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL(acl_cv_path_LD, +[if test -z "$LD"; then + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" + for ac_dir in $PATH; do + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + acl_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some GNU ld's only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in + *GNU* | *'with BFD'*) + test "$with_gnu_ld" != no && break ;; + *) + test "$with_gnu_ld" != yes && break ;; + esac + fi + done + IFS="$ac_save_ifs" +else + acl_cv_path_LD="$LD" # Let the user override the test with a path. +fi]) +LD="$acl_cv_path_LD" +if test -n "$LD"; then + AC_MSG_RESULT($LD) +else + AC_MSG_RESULT(no) +fi +test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) +AC_LIB_PROG_LD_GNU +]) diff --git a/build/autotools/lib-link.m4 b/build/autotools/lib-link.m4 new file mode 100644 index 0000000..e3d26fc --- /dev/null +++ b/build/autotools/lib-link.m4 @@ -0,0 +1,709 @@ +# lib-link.m4 serial 13 (gettext-0.17) +dnl Copyright (C) 2001-2007 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_PREREQ(2.54) + +dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and +dnl the libraries corresponding to explicit and implicit dependencies. +dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and +dnl augments the CPPFLAGS variable. +dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname +dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem. +AC_DEFUN([AC_LIB_LINKFLAGS], +[ + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + define([Name],[translit([$1],[./-], [___])]) + define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) + AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [ + AC_LIB_LINKFLAGS_BODY([$1], [$2]) + ac_cv_lib[]Name[]_libs="$LIB[]NAME" + ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME" + ac_cv_lib[]Name[]_cppflags="$INC[]NAME" + ac_cv_lib[]Name[]_prefix="$LIB[]NAME[]_PREFIX" + ]) + LIB[]NAME="$ac_cv_lib[]Name[]_libs" + LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs" + INC[]NAME="$ac_cv_lib[]Name[]_cppflags" + LIB[]NAME[]_PREFIX="$ac_cv_lib[]Name[]_prefix" + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) + AC_SUBST([LIB]NAME) + AC_SUBST([LTLIB]NAME) + AC_SUBST([LIB]NAME[_PREFIX]) + dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the + dnl results of this search when this library appears as a dependency. + HAVE_LIB[]NAME=yes + undefine([Name]) + undefine([NAME]) +]) + +dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode) +dnl searches for libname and the libraries corresponding to explicit and +dnl implicit dependencies, together with the specified include files and +dnl the ability to compile and link the specified testcode. If found, it +dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and +dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and +dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs +dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty. +dnl Sets and AC_SUBSTs the LIB${NAME}_PREFIX variable to nonempty if libname +dnl was found in ${LIB${NAME}_PREFIX}/$acl_libdirstem. +AC_DEFUN([AC_LIB_HAVE_LINKFLAGS], +[ + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + define([Name],[translit([$1],[./-], [___])]) + define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) + + dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME + dnl accordingly. + AC_LIB_LINKFLAGS_BODY([$1], [$2]) + + dnl Add $INC[]NAME to CPPFLAGS before performing the following checks, + dnl because if the user has installed lib[]Name and not disabled its use + dnl via --without-lib[]Name-prefix, he wants to use it. + ac_save_CPPFLAGS="$CPPFLAGS" + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) + + AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [ + ac_save_LIBS="$LIBS" + LIBS="$LIBS $LIB[]NAME" + AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no]) + LIBS="$ac_save_LIBS" + ]) + if test "$ac_cv_lib[]Name" = yes; then + HAVE_LIB[]NAME=yes + AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.]) + AC_MSG_CHECKING([how to link with lib[]$1]) + AC_MSG_RESULT([$LIB[]NAME]) + else + HAVE_LIB[]NAME=no + dnl If $LIB[]NAME didn't lead to a usable library, we don't need + dnl $INC[]NAME either. + CPPFLAGS="$ac_save_CPPFLAGS" + LIB[]NAME= + LTLIB[]NAME= + LIB[]NAME[]_PREFIX= + fi + AC_SUBST([HAVE_LIB]NAME) + AC_SUBST([LIB]NAME) + AC_SUBST([LTLIB]NAME) + AC_SUBST([LIB]NAME[_PREFIX]) + undefine([Name]) + undefine([NAME]) +]) + +dnl Determine the platform dependent parameters needed to use rpath: +dnl acl_libext, +dnl acl_shlibext, +dnl acl_hardcode_libdir_flag_spec, +dnl acl_hardcode_libdir_separator, +dnl acl_hardcode_direct, +dnl acl_hardcode_minus_L. +AC_DEFUN([AC_LIB_RPATH], +[ + dnl Tell automake >= 1.10 to complain if config.rpath is missing. + m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])]) + AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS + AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld + AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host + AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir + AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [ + CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ + ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh + . ./conftest.sh + rm -f ./conftest.sh + acl_cv_rpath=done + ]) + wl="$acl_cv_wl" + acl_libext="$acl_cv_libext" + acl_shlibext="$acl_cv_shlibext" + acl_libname_spec="$acl_cv_libname_spec" + acl_library_names_spec="$acl_cv_library_names_spec" + acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" + acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" + acl_hardcode_direct="$acl_cv_hardcode_direct" + acl_hardcode_minus_L="$acl_cv_hardcode_minus_L" + dnl Determine whether the user wants rpath handling at all. + AC_ARG_ENABLE(rpath, + [ --disable-rpath do not hardcode runtime library paths], + :, enable_rpath=yes) +]) + +dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and +dnl the libraries corresponding to explicit and implicit dependencies. +dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables. +dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found +dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem. +AC_DEFUN([AC_LIB_LINKFLAGS_BODY], +[ + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) + dnl Autoconf >= 2.61 supports dots in --with options. + define([N_A_M_E],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[translit([$1],[.],[_])],[$1])]) + dnl By default, look in $includedir and $libdir. + use_additional=yes + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + AC_LIB_ARG_WITH([lib]N_A_M_E[-prefix], +[ --with-lib]N_A_M_E[-prefix[=DIR] search for lib$1 in DIR/include and DIR/lib + --without-lib]N_A_M_E[-prefix don't search for lib$1 in includedir and libdir], +[ + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + fi + fi +]) + dnl Search the library and its dependencies in $additional_libdir and + dnl $LDFLAGS. Using breadth-first-seach. + LIB[]NAME= + LTLIB[]NAME= + INC[]NAME= + LIB[]NAME[]_PREFIX= + rpathdirs= + ltrpathdirs= + names_already_handled= + names_next_round='$1 $2' + while test -n "$names_next_round"; do + names_this_round="$names_next_round" + names_next_round= + for name in $names_this_round; do + already_handled= + for n in $names_already_handled; do + if test "$n" = "$name"; then + already_handled=yes + break + fi + done + if test -z "$already_handled"; then + names_already_handled="$names_already_handled $name" + dnl See if it was already located by an earlier AC_LIB_LINKFLAGS + dnl or AC_LIB_HAVE_LINKFLAGS call. + uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'` + eval value=\"\$HAVE_LIB$uppername\" + if test -n "$value"; then + if test "$value" = yes; then + eval value=\"\$LIB$uppername\" + test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" + eval value=\"\$LTLIB$uppername\" + test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" + else + dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined + dnl that this library doesn't exist. So just drop it. + : + fi + else + dnl Search the library lib$name in $additional_libdir and $LDFLAGS + dnl and the already constructed $LIBNAME/$LTLIBNAME. + found_dir= + found_la= + found_so= + found_a= + eval libname=\"$acl_libname_spec\" # typically: libname=lib$name + if test -n "$acl_shlibext"; then + shrext=".$acl_shlibext" # typically: shrext=.so + else + shrext= + fi + if test $use_additional = yes; then + dir="$additional_libdir" + dnl The same code as in the loop below: + dnl First look for a shared library. + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + dnl Then look for a static library. + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + fi + if test "X$found_dir" = "X"; then + for x in $LDFLAGS $LTLIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + case "$x" in + -L*) + dir=`echo "X$x" | sed -e 's/^X-L//'` + dnl First look for a shared library. + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + dnl Then look for a static library. + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + ;; + esac + if test "X$found_dir" != "X"; then + break + fi + done + fi + if test "X$found_dir" != "X"; then + dnl Found the library. + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" + if test "X$found_so" != "X"; then + dnl Linking with a shared library. We attempt to hardcode its + dnl directory into the executable's runpath, unless it's the + dnl standard /usr/lib. + if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/$acl_libdirstem"; then + dnl No hardcoding is needed. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + dnl Use an explicit option to hardcode DIR into the resulting + dnl binary. + dnl Potentially add DIR to ltrpathdirs. + dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $found_dir" + fi + dnl The hardcoding into $LIBNAME is system dependent. + if test "$acl_hardcode_direct" = yes; then + dnl Using DIR/libNAME.so during linking hardcodes DIR into the + dnl resulting binary. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + dnl Use an explicit option to hardcode DIR into the resulting + dnl binary. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + dnl Potentially add DIR to rpathdirs. + dnl The rpathdirs will be appended to $LIBNAME at the end. + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $found_dir" + fi + else + dnl Rely on "-L$found_dir". + dnl But don't add it if it's already contained in the LDFLAGS + dnl or the already constructed $LIBNAME + haveit= + for x in $LDFLAGS $LIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" + fi + if test "$acl_hardcode_minus_L" != no; then + dnl FIXME: Not sure whether we should use + dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" + dnl here. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH + dnl here, because this doesn't fit in flags passed to the + dnl compiler. So give up. No hardcoding. This affects only + dnl very old systems. + dnl FIXME: Not sure whether we should use + dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" + dnl here. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" + fi + fi + fi + fi + else + if test "X$found_a" != "X"; then + dnl Linking with a static library. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" + else + dnl We shouldn't come here, but anyway it's good to have a + dnl fallback. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" + fi + fi + dnl Assume the include files are nearby. + additional_includedir= + case "$found_dir" in + */$acl_libdirstem | */$acl_libdirstem/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` + LIB[]NAME[]_PREFIX="$basedir" + additional_includedir="$basedir/include" + ;; + esac + if test "X$additional_includedir" != "X"; then + dnl Potentially add $additional_includedir to $INCNAME. + dnl But don't add it + dnl 1. if it's the standard /usr/include, + dnl 2. if it's /usr/local/include and we are using GCC on Linux, + dnl 3. if it's already present in $CPPFLAGS or the already + dnl constructed $INCNAME, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + for x in $CPPFLAGS $INC[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + dnl Really add $additional_includedir to $INCNAME. + INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" + fi + fi + fi + fi + fi + dnl Look for dependencies. + if test -n "$found_la"; then + dnl Read the .la file. It defines the variables + dnl dlname, library_names, old_library, dependency_libs, current, + dnl age, revision, installed, dlopen, dlpreopen, libdir. + save_libdir="$libdir" + case "$found_la" in + */* | *\\*) . "$found_la" ;; + *) . "./$found_la" ;; + esac + libdir="$save_libdir" + dnl We use only dependency_libs. + for dep in $dependency_libs; do + case "$dep" in + -L*) + additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` + dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. + dnl But don't add it + dnl 1. if it's the standard /usr/lib, + dnl 2. if it's /usr/local/lib and we are using GCC on Linux, + dnl 3. if it's already present in $LDFLAGS or the already + dnl constructed $LIBNAME, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then + haveit= + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + haveit= + for x in $LDFLAGS $LIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LIBNAME. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" + fi + fi + haveit= + for x in $LDFLAGS $LTLIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LTLIBNAME. + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" + fi + fi + fi + fi + ;; + -R*) + dir=`echo "X$dep" | sed -e 's/^X-R//'` + if test "$enable_rpath" != no; then + dnl Potentially add DIR to rpathdirs. + dnl The rpathdirs will be appended to $LIBNAME at the end. + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $dir" + fi + dnl Potentially add DIR to ltrpathdirs. + dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $dir" + fi + fi + ;; + -l*) + dnl Handle this in the next round. + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` + ;; + *.la) + dnl Handle this in the next round. Throw away the .la's + dnl directory; it is already contained in a preceding -L + dnl option. + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` + ;; + *) + dnl Most likely an immediate library name. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" + ;; + esac + done + fi + else + dnl Didn't find the library; assume it is in the system directories + dnl known to the linker and runtime loader. (All the system + dnl directories known to the linker should also be known to the + dnl runtime loader, otherwise the system is severely misconfigured.) + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" + fi + fi + fi + done + done + if test "X$rpathdirs" != "X"; then + if test -n "$acl_hardcode_libdir_separator"; then + dnl Weird platform: only the last -rpath option counts, the user must + dnl pass all path elements in one option. We can arrange that for a + dnl single library, but not when more than one $LIBNAMEs are used. + alldirs= + for found_dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" + done + dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl. + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" + else + dnl The -rpath options are cumulative. + for found_dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$found_dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" + done + fi + fi + if test "X$ltrpathdirs" != "X"; then + dnl When using libtool, the option that works for both libraries and + dnl executables is -R. The -R options are cumulative. + for found_dir in $ltrpathdirs; do + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" + done + fi +]) + +dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, +dnl unless already present in VAR. +dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes +dnl contains two or three consecutive elements that belong together. +AC_DEFUN([AC_LIB_APPENDTOVAR], +[ + for element in [$2]; do + haveit= + for x in $[$1]; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X$element"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + [$1]="${[$1]}${[$1]:+ }$element" + fi + done +]) + +dnl For those cases where a variable contains several -L and -l options +dnl referring to unknown libraries and directories, this macro determines the +dnl necessary additional linker options for the runtime path. +dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL]) +dnl sets LDADDVAR to linker options needed together with LIBSVALUE. +dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed, +dnl otherwise linking without libtool is assumed. +AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], +[ + AC_REQUIRE([AC_LIB_RPATH]) + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + $1= + if test "$enable_rpath" != no; then + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + dnl Use an explicit option to hardcode directories into the resulting + dnl binary. + rpathdirs= + next= + for opt in $2; do + if test -n "$next"; then + dir="$next" + dnl No need to hardcode the standard /usr/lib. + if test "X$dir" != "X/usr/$acl_libdirstem"; then + rpathdirs="$rpathdirs $dir" + fi + next= + else + case $opt in + -L) next=yes ;; + -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` + dnl No need to hardcode the standard /usr/lib. + if test "X$dir" != "X/usr/$acl_libdirstem"; then + rpathdirs="$rpathdirs $dir" + fi + next= ;; + *) next= ;; + esac + fi + done + if test "X$rpathdirs" != "X"; then + if test -n ""$3""; then + dnl libtool is used for linking. Use -R options. + for dir in $rpathdirs; do + $1="${$1}${$1:+ }-R$dir" + done + else + dnl The linker is used for linking directly. + if test -n "$acl_hardcode_libdir_separator"; then + dnl Weird platform: only the last -rpath option counts, the user + dnl must pass all path elements in one option. + alldirs= + for dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir" + done + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + $1="$flag" + else + dnl The -rpath options are cumulative. + for dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + $1="${$1}${$1:+ }$flag" + done + fi + fi + fi + fi + fi + AC_SUBST([$1]) +]) diff --git a/build/autotools/lib-prefix.m4 b/build/autotools/lib-prefix.m4 new file mode 100644 index 0000000..a8684e1 --- /dev/null +++ b/build/autotools/lib-prefix.m4 @@ -0,0 +1,185 @@ +# lib-prefix.m4 serial 5 (gettext-0.15) +dnl Copyright (C) 2001-2005 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and +dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't +dnl require excessive bracketing. +ifdef([AC_HELP_STRING], +[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])], +[AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])]) + +dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed +dnl to access previously installed libraries. The basic assumption is that +dnl a user will want packages to use other packages he previously installed +dnl with the same --prefix option. +dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate +dnl libraries, but is otherwise very convenient. +AC_DEFUN([AC_LIB_PREFIX], +[ + AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + dnl By default, look in $includedir and $libdir. + use_additional=yes + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + AC_LIB_ARG_WITH([lib-prefix], +[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib + --without-lib-prefix don't search for libraries in includedir and libdir], +[ + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + fi + fi +]) + if test $use_additional = yes; then + dnl Potentially add $additional_includedir to $CPPFLAGS. + dnl But don't add it + dnl 1. if it's the standard /usr/include, + dnl 2. if it's already present in $CPPFLAGS, + dnl 3. if it's /usr/local/include and we are using GCC on Linux, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + for x in $CPPFLAGS; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + dnl Really add $additional_includedir to $CPPFLAGS. + CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" + fi + fi + fi + fi + dnl Potentially add $additional_libdir to $LDFLAGS. + dnl But don't add it + dnl 1. if it's the standard /usr/lib, + dnl 2. if it's already present in $LDFLAGS, + dnl 3. if it's /usr/local/lib and we are using GCC on Linux, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then + haveit= + for x in $LDFLAGS; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then + if test -n "$GCC"; then + case $host_os in + linux*) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LDFLAGS. + LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" + fi + fi + fi + fi + fi +]) + +dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, +dnl acl_final_exec_prefix, containing the values to which $prefix and +dnl $exec_prefix will expand at the end of the configure script. +AC_DEFUN([AC_LIB_PREPARE_PREFIX], +[ + dnl Unfortunately, prefix and exec_prefix get only finally determined + dnl at the end of configure. + if test "X$prefix" = "XNONE"; then + acl_final_prefix="$ac_default_prefix" + else + acl_final_prefix="$prefix" + fi + if test "X$exec_prefix" = "XNONE"; then + acl_final_exec_prefix='${prefix}' + else + acl_final_exec_prefix="$exec_prefix" + fi + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" + prefix="$acl_save_prefix" +]) + +dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the +dnl variables prefix and exec_prefix bound to the values they will have +dnl at the end of the configure script. +AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], +[ + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + $1 + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" +]) + +dnl AC_LIB_PREPARE_MULTILIB creates a variable acl_libdirstem, containing +dnl the basename of the libdir, either "lib" or "lib64". +AC_DEFUN([AC_LIB_PREPARE_MULTILIB], +[ + dnl There is no formal standard regarding lib and lib64. The current + dnl practice is that on a system supporting 32-bit and 64-bit instruction + dnl sets or ABIs, 64-bit libraries go under $prefix/lib64 and 32-bit + dnl libraries go under $prefix/lib. We determine the compiler's default + dnl mode by looking at the compiler's library search path. If at least + dnl of its elements ends in /lib64 or points to a directory whose absolute + dnl pathname ends in /lib64, we assume a 64-bit ABI. Otherwise we use the + dnl default, namely "lib". + acl_libdirstem=lib + searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test -n "$searchpath"; then + acl_save_IFS="${IFS= }"; IFS=":" + for searchdir in $searchpath; do + if test -d "$searchdir"; then + case "$searchdir" in + */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; + *) searchdir=`cd "$searchdir" && pwd` + case "$searchdir" in + */lib64 ) acl_libdirstem=lib64 ;; + esac ;; + esac + fi + done + IFS="$acl_save_IFS" + fi +]) diff --git a/build/autotools/libtool.m4 b/build/autotools/libtool.m4 new file mode 100644 index 0000000..44e0ecf --- /dev/null +++ b/build/autotools/libtool.m4 @@ -0,0 +1,7982 @@ +# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- +# +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +# 2006, 2007, 2008, 2009, 2010, 2011 Free Software +# Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +m4_define([_LT_COPYING], [dnl +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +# 2006, 2007, 2008, 2009, 2010, 2011 Free Software +# Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is part of GNU Libtool. +# +# GNU Libtool is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, or +# obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +]) + +# serial 57 LT_INIT + + +# LT_PREREQ(VERSION) +# ------------------ +# Complain and exit if this libtool version is less that VERSION. +m4_defun([LT_PREREQ], +[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, + [m4_default([$3], + [m4_fatal([Libtool version $1 or higher is required], + 63)])], + [$2])]) + + +# _LT_CHECK_BUILDDIR +# ------------------ +# Complain if the absolute build directory name contains unusual characters +m4_defun([_LT_CHECK_BUILDDIR], +[case `pwd` in + *\ * | *\ *) + AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; +esac +]) + + +# LT_INIT([OPTIONS]) +# ------------------ +AC_DEFUN([LT_INIT], +[AC_PREREQ([2.58])dnl We use AC_INCLUDES_DEFAULT +AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl +AC_BEFORE([$0], [LT_LANG])dnl +AC_BEFORE([$0], [LT_OUTPUT])dnl +AC_BEFORE([$0], [LTDL_INIT])dnl +m4_require([_LT_CHECK_BUILDDIR])dnl + +dnl Autoconf doesn't catch unexpanded LT_ macros by default: +m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl +m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl +dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 +dnl unless we require an AC_DEFUNed macro: +AC_REQUIRE([LTOPTIONS_VERSION])dnl +AC_REQUIRE([LTSUGAR_VERSION])dnl +AC_REQUIRE([LTVERSION_VERSION])dnl +AC_REQUIRE([LTOBSOLETE_VERSION])dnl +m4_require([_LT_PROG_LTMAIN])dnl + +_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) + +dnl Parse OPTIONS +_LT_SET_OPTIONS([$0], [$1]) + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS="$ltmain" + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' +AC_SUBST(LIBTOOL)dnl + +_LT_SETUP + +# Only expand once: +m4_define([LT_INIT]) +])# LT_INIT + +# Old names: +AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) +AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PROG_LIBTOOL], []) +dnl AC_DEFUN([AM_PROG_LIBTOOL], []) + + +# _LT_CC_BASENAME(CC) +# ------------------- +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +m4_defun([_LT_CC_BASENAME], +[for cc_temp in $1""; do + case $cc_temp in + compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;; + distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +]) + + +# _LT_FILEUTILS_DEFAULTS +# ---------------------- +# It is okay to use these file commands and assume they have been set +# sensibly after `m4_require([_LT_FILEUTILS_DEFAULTS])'. +m4_defun([_LT_FILEUTILS_DEFAULTS], +[: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} +])# _LT_FILEUTILS_DEFAULTS + + +# _LT_SETUP +# --------- +m4_defun([_LT_SETUP], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl + +_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl +dnl +_LT_DECL([], [host_alias], [0], [The host system])dnl +_LT_DECL([], [host], [0])dnl +_LT_DECL([], [host_os], [0])dnl +dnl +_LT_DECL([], [build_alias], [0], [The build system])dnl +_LT_DECL([], [build], [0])dnl +_LT_DECL([], [build_os], [0])dnl +dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +dnl +AC_REQUIRE([AC_PROG_LN_S])dnl +test -z "$LN_S" && LN_S="ln -s" +_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl +dnl +AC_REQUIRE([LT_CMD_MAX_LEN])dnl +_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl +_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl +dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl +m4_require([_LT_CMD_RELOAD])dnl +m4_require([_LT_CHECK_MAGIC_METHOD])dnl +m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl +m4_require([_LT_CMD_OLD_ARCHIVE])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_WITH_SYSROOT])dnl + +_LT_CONFIG_LIBTOOL_INIT([ +# See if we are running on zsh, and set the options which allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi +]) +if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + +_LT_CHECK_OBJDIR + +m4_require([_LT_TAG_COMPILER])dnl + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a `.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld="$lt_cv_prog_gnu_ld" + +old_CC="$CC" +old_CFLAGS="$CFLAGS" + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +_LT_CC_BASENAME([$compiler]) + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + _LT_PATH_MAGIC + fi + ;; +esac + +# Use C for the default configuration in the libtool script +LT_SUPPORTED_TAG([CC]) +_LT_LANG_C_CONFIG +_LT_LANG_DEFAULT_CONFIG +_LT_CONFIG_COMMANDS +])# _LT_SETUP + + +# _LT_PREPARE_SED_QUOTE_VARS +# -------------------------- +# Define a few sed substitution that help us do robust quoting. +m4_defun([_LT_PREPARE_SED_QUOTE_VARS], +[# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\([["`\\]]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' +]) + +# _LT_PROG_LTMAIN +# --------------- +# Note that this code is called both from `configure', and `config.status' +# now that we use AC_CONFIG_COMMANDS to generate libtool. Notably, +# `config.status' has no value for ac_aux_dir unless we are using Automake, +# so we pass a copy along to make sure it has a sensible value anyway. +m4_defun([_LT_PROG_LTMAIN], +[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl +_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir']) +ltmain="$ac_aux_dir/ltmain.sh" +])# _LT_PROG_LTMAIN + + +## ------------------------------------- ## +## Accumulate code for creating libtool. ## +## ------------------------------------- ## + +# So that we can recreate a full libtool script including additional +# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS +# in macros and then make a single call at the end using the `libtool' +# label. + + +# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS]) +# ---------------------------------------- +# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL_INIT], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_INIT], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_INIT]) + + +# _LT_CONFIG_LIBTOOL([COMMANDS]) +# ------------------------------ +# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS]) + + +# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS]) +# ----------------------------------------------------- +m4_defun([_LT_CONFIG_SAVE_COMMANDS], +[_LT_CONFIG_LIBTOOL([$1]) +_LT_CONFIG_LIBTOOL_INIT([$2]) +]) + + +# _LT_FORMAT_COMMENT([COMMENT]) +# ----------------------------- +# Add leading comment marks to the start of each line, and a trailing +# full-stop to the whole comment if one is not present already. +m4_define([_LT_FORMAT_COMMENT], +[m4_ifval([$1], [ +m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])], + [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.]) +)]) + + + +## ------------------------ ## +## FIXME: Eliminate VARNAME ## +## ------------------------ ## + + +# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?]) +# ------------------------------------------------------------------- +# CONFIGNAME is the name given to the value in the libtool script. +# VARNAME is the (base) name used in the configure script. +# VALUE may be 0, 1 or 2 for a computed quote escaped value based on +# VARNAME. Any other value will be used directly. +m4_define([_LT_DECL], +[lt_if_append_uniq([lt_decl_varnames], [$2], [, ], + [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name], + [m4_ifval([$1], [$1], [$2])]) + lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3]) + m4_ifval([$4], + [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])]) + lt_dict_add_subkey([lt_decl_dict], [$2], + [tagged?], [m4_ifval([$5], [yes], [no])])]) +]) + + +# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION]) +# -------------------------------------------------------- +m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])]) + + +# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_tag_varnames], +[_lt_decl_filter([tagged?], [yes], $@)]) + + +# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..]) +# --------------------------------------------------------- +m4_define([_lt_decl_filter], +[m4_case([$#], + [0], [m4_fatal([$0: too few arguments: $#])], + [1], [m4_fatal([$0: too few arguments: $#: $1])], + [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)], + [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)], + [lt_dict_filter([lt_decl_dict], $@)])[]dnl +]) + + +# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...]) +# -------------------------------------------------- +m4_define([lt_decl_quote_varnames], +[_lt_decl_filter([value], [1], $@)]) + + +# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_dquote_varnames], +[_lt_decl_filter([value], [2], $@)]) + + +# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_varnames_tagged], +[m4_assert([$# <= 2])dnl +_$0(m4_quote(m4_default([$1], [[, ]])), + m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]), + m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))]) +m4_define([_lt_decl_varnames_tagged], +[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])]) + + +# lt_decl_all_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_all_varnames], +[_$0(m4_quote(m4_default([$1], [[, ]])), + m4_if([$2], [], + m4_quote(lt_decl_varnames), + m4_quote(m4_shift($@))))[]dnl +]) +m4_define([_lt_decl_all_varnames], +[lt_join($@, lt_decl_varnames_tagged([$1], + lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl +]) + + +# _LT_CONFIG_STATUS_DECLARE([VARNAME]) +# ------------------------------------ +# Quote a variable value, and forward it to `config.status' so that its +# declaration there will have the same value as in `configure'. VARNAME +# must have a single quote delimited value for this to work. +m4_define([_LT_CONFIG_STATUS_DECLARE], +[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`']) + + +# _LT_CONFIG_STATUS_DECLARATIONS +# ------------------------------ +# We delimit libtool config variables with single quotes, so when +# we write them to config.status, we have to be sure to quote all +# embedded single quotes properly. In configure, this macro expands +# each variable declared with _LT_DECL (and _LT_TAGDECL) into: +# +# ='`$ECHO "$" | $SED "$delay_single_quote_subst"`' +m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], +[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), + [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAGS +# ---------------- +# Output comment and list of tags supported by the script +m4_defun([_LT_LIBTOOL_TAGS], +[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl +available_tags="_LT_TAGS"dnl +]) + + +# _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) +# ----------------------------------- +# Extract the dictionary values for VARNAME (optionally with TAG) and +# expand to a commented shell variable setting: +# +# # Some comment about what VAR is for. +# visible_name=$lt_internal_name +m4_define([_LT_LIBTOOL_DECLARE], +[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], + [description])))[]dnl +m4_pushdef([_libtool_name], + m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl +m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), + [0], [_libtool_name=[$]$1], + [1], [_libtool_name=$lt_[]$1], + [2], [_libtool_name=$lt_[]$1], + [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl +m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl +]) + + +# _LT_LIBTOOL_CONFIG_VARS +# ----------------------- +# Produce commented declarations of non-tagged libtool config variables +# suitable for insertion in the LIBTOOL CONFIG section of the `libtool' +# script. Tagged libtool config variables (even for the LIBTOOL CONFIG +# section) are produced by _LT_LIBTOOL_TAG_VARS. +m4_defun([_LT_LIBTOOL_CONFIG_VARS], +[m4_foreach([_lt_var], + m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAG_VARS(TAG) +# ------------------------- +m4_define([_LT_LIBTOOL_TAG_VARS], +[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])]) + + +# _LT_TAGVAR(VARNAME, [TAGNAME]) +# ------------------------------ +m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])]) + + +# _LT_CONFIG_COMMANDS +# ------------------- +# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of +# variables for single and double quote escaping we saved from calls +# to _LT_DECL, we can put quote escaped variables declarations +# into `config.status', and then the shell code to quote escape them in +# for loops in `config.status'. Finally, any additional code accumulated +# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded. +m4_defun([_LT_CONFIG_COMMANDS], +[AC_PROVIDE_IFELSE([LT_OUTPUT], + dnl If the libtool generation code has been placed in $CONFIG_LT, + dnl instead of duplicating it all over again into config.status, + dnl then we will have config.status run $CONFIG_LT later, so it + dnl needs to know what name is stored there: + [AC_CONFIG_COMMANDS([libtool], + [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])], + dnl If the libtool generation code is destined for config.status, + dnl expand the accumulated commands and init code now: + [AC_CONFIG_COMMANDS([libtool], + [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])]) +])#_LT_CONFIG_COMMANDS + + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT], +[ + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +_LT_CONFIG_STATUS_DECLARATIONS +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$[]1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_quote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_dquote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +_LT_OUTPUT_LIBTOOL_INIT +]) + +# _LT_GENERATED_FILE_INIT(FILE, [COMMENT]) +# ------------------------------------ +# Generate a child script FILE with all initialization necessary to +# reuse the environment learned by the parent script, and make the +# file executable. If COMMENT is supplied, it is inserted after the +# `#!' sequence but before initialization text begins. After this +# macro, additional text can be appended to FILE to form the body of +# the child script. The macro ends with non-zero status if the +# file could not be fully written (such as if the disk is full). +m4_ifdef([AS_INIT_GENERATED], +[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])], +[m4_defun([_LT_GENERATED_FILE_INIT], +[m4_require([AS_PREPARE])]dnl +[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl +[lt_write_fail=0 +cat >$1 <<_ASEOF || lt_write_fail=1 +#! $SHELL +# Generated by $as_me. +$2 +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$1 <<\_ASEOF || lt_write_fail=1 +AS_SHELL_SANITIZE +_AS_PREPARE +exec AS_MESSAGE_FD>&1 +_ASEOF +test $lt_write_fail = 0 && chmod +x $1[]dnl +m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT + +# LT_OUTPUT +# --------- +# This macro allows early generation of the libtool script (before +# AC_OUTPUT is called), incase it is used in configure for compilation +# tests. +AC_DEFUN([LT_OUTPUT], +[: ${CONFIG_LT=./config.lt} +AC_MSG_NOTICE([creating $CONFIG_LT]) +_LT_GENERATED_FILE_INIT(["$CONFIG_LT"], +[# Run this file to recreate a libtool stub with the current configuration.]) + +cat >>"$CONFIG_LT" <<\_LTEOF +lt_cl_silent=false +exec AS_MESSAGE_LOG_FD>>config.log +{ + echo + AS_BOX([Running $as_me.]) +} >&AS_MESSAGE_LOG_FD + +lt_cl_help="\ +\`$as_me' creates a local libtool stub from the current configuration, +for use in further configure time tests before the real libtool is +generated. + +Usage: $[0] [[OPTIONS]] + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + +Report bugs to ." + +lt_cl_version="\ +m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl +m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]) +configured by $[0], generated by m4_PACKAGE_STRING. + +Copyright (C) 2011 Free Software Foundation, Inc. +This config.lt script is free software; the Free Software Foundation +gives unlimited permision to copy, distribute and modify it." + +while test $[#] != 0 +do + case $[1] in + --version | --v* | -V ) + echo "$lt_cl_version"; exit 0 ;; + --help | --h* | -h ) + echo "$lt_cl_help"; exit 0 ;; + --debug | --d* | -d ) + debug=: ;; + --quiet | --q* | --silent | --s* | -q ) + lt_cl_silent=: ;; + + -*) AC_MSG_ERROR([unrecognized option: $[1] +Try \`$[0] --help' for more information.]) ;; + + *) AC_MSG_ERROR([unrecognized argument: $[1] +Try \`$[0] --help' for more information.]) ;; + esac + shift +done + +if $lt_cl_silent; then + exec AS_MESSAGE_FD>/dev/null +fi +_LTEOF + +cat >>"$CONFIG_LT" <<_LTEOF +_LT_OUTPUT_LIBTOOL_COMMANDS_INIT +_LTEOF + +cat >>"$CONFIG_LT" <<\_LTEOF +AC_MSG_NOTICE([creating $ofile]) +_LT_OUTPUT_LIBTOOL_COMMANDS +AS_EXIT(0) +_LTEOF +chmod +x "$CONFIG_LT" + +# configure is writing to config.log, but config.lt does its own redirection, +# appending to config.log, which fails on DOS, as config.log is still kept +# open by configure. Here we exec the FD to /dev/null, effectively closing +# config.log, so it can be properly (re)opened and appended to by config.lt. +lt_cl_success=: +test "$silent" = yes && + lt_config_lt_args="$lt_config_lt_args --quiet" +exec AS_MESSAGE_LOG_FD>/dev/null +$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false +exec AS_MESSAGE_LOG_FD>>config.log +$lt_cl_success || AS_EXIT(1) +])# LT_OUTPUT + + +# _LT_CONFIG(TAG) +# --------------- +# If TAG is the built-in tag, create an initial libtool script with a +# default configuration from the untagged config vars. Otherwise add code +# to config.status for appending the configuration named by TAG from the +# matching tagged config vars. +m4_defun([_LT_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_CONFIG_SAVE_COMMANDS([ + m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl + m4_if(_LT_TAG, [C], [ + # See if we are running on zsh, and set the options which allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST + fi + + cfgfile="${ofile}T" + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL + +# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services. +# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION +# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`: +# NOTE: Changes made to this file will be lost: look at ltmain.sh. +# +_LT_COPYING +_LT_LIBTOOL_TAGS + +# ### BEGIN LIBTOOL CONFIG +_LT_LIBTOOL_CONFIG_VARS +_LT_LIBTOOL_TAG_VARS +# ### END LIBTOOL CONFIG + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + _LT_PROG_LTMAIN + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + _LT_PROG_REPLACE_SHELLFNS + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" +], +[cat <<_LT_EOF >> "$ofile" + +dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded +dnl in a comment (ie after a #). +# ### BEGIN LIBTOOL TAG CONFIG: $1 +_LT_LIBTOOL_TAG_VARS(_LT_TAG) +# ### END LIBTOOL TAG CONFIG: $1 +_LT_EOF +])dnl /m4_if +], +[m4_if([$1], [], [ + PACKAGE='$PACKAGE' + VERSION='$VERSION' + TIMESTAMP='$TIMESTAMP' + RM='$RM' + ofile='$ofile'], []) +])dnl /_LT_CONFIG_SAVE_COMMANDS +])# _LT_CONFIG + + +# LT_SUPPORTED_TAG(TAG) +# --------------------- +# Trace this macro to discover what tags are supported by the libtool +# --tag option, using: +# autoconf --trace 'LT_SUPPORTED_TAG:$1' +AC_DEFUN([LT_SUPPORTED_TAG], []) + + +# C support is built-in for now +m4_define([_LT_LANG_C_enabled], []) +m4_define([_LT_TAGS], []) + + +# LT_LANG(LANG) +# ------------- +# Enable libtool support for the given language if not already enabled. +AC_DEFUN([LT_LANG], +[AC_BEFORE([$0], [LT_OUTPUT])dnl +m4_case([$1], + [C], [_LT_LANG(C)], + [C++], [_LT_LANG(CXX)], + [Go], [_LT_LANG(GO)], + [Java], [_LT_LANG(GCJ)], + [Fortran 77], [_LT_LANG(F77)], + [Fortran], [_LT_LANG(FC)], + [Windows Resource], [_LT_LANG(RC)], + [m4_ifdef([_LT_LANG_]$1[_CONFIG], + [_LT_LANG($1)], + [m4_fatal([$0: unsupported language: "$1"])])])dnl +])# LT_LANG + + +# _LT_LANG(LANGNAME) +# ------------------ +m4_defun([_LT_LANG], +[m4_ifdef([_LT_LANG_]$1[_enabled], [], + [LT_SUPPORTED_TAG([$1])dnl + m4_append([_LT_TAGS], [$1 ])dnl + m4_define([_LT_LANG_]$1[_enabled], [])dnl + _LT_LANG_$1_CONFIG($1)])dnl +])# _LT_LANG + + +m4_ifndef([AC_PROG_GO], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_GO. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ +m4_defun([AC_PROG_GO], +[AC_LANG_PUSH(Go)dnl +AC_ARG_VAR([GOC], [Go compiler command])dnl +AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl +_AC_ARG_VAR_LDFLAGS()dnl +AC_CHECK_TOOL(GOC, gccgo) +if test -z "$GOC"; then + if test -n "$ac_tool_prefix"; then + AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo]) + fi +fi +if test -z "$GOC"; then + AC_CHECK_PROG(GOC, gccgo, gccgo, false) +fi +])#m4_defun +])#m4_ifndef + + +# _LT_LANG_DEFAULT_CONFIG +# ----------------------- +m4_defun([_LT_LANG_DEFAULT_CONFIG], +[AC_PROVIDE_IFELSE([AC_PROG_CXX], + [LT_LANG(CXX)], + [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])]) + +AC_PROVIDE_IFELSE([AC_PROG_F77], + [LT_LANG(F77)], + [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])]) + +AC_PROVIDE_IFELSE([AC_PROG_FC], + [LT_LANG(FC)], + [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])]) + +dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal +dnl pulling things in needlessly. +AC_PROVIDE_IFELSE([AC_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([A][M_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([LT_PROG_GCJ], + [LT_LANG(GCJ)], + [m4_ifdef([AC_PROG_GCJ], + [m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([A][M_PROG_GCJ], + [m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([LT_PROG_GCJ], + [m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])]) + +AC_PROVIDE_IFELSE([AC_PROG_GO], + [LT_LANG(GO)], + [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])]) + +AC_PROVIDE_IFELSE([LT_PROG_RC], + [LT_LANG(RC)], + [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])]) +])# _LT_LANG_DEFAULT_CONFIG + +# Obsolete macros: +AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)]) +AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)]) +AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)]) +AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)]) +AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_CXX], []) +dnl AC_DEFUN([AC_LIBTOOL_F77], []) +dnl AC_DEFUN([AC_LIBTOOL_FC], []) +dnl AC_DEFUN([AC_LIBTOOL_GCJ], []) +dnl AC_DEFUN([AC_LIBTOOL_RC], []) + + +# _LT_TAG_COMPILER +# ---------------- +m4_defun([_LT_TAG_COMPILER], +[AC_REQUIRE([AC_PROG_CC])dnl + +_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl +_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl +_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl +_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC +])# _LT_TAG_COMPILER + + +# _LT_COMPILER_BOILERPLATE +# ------------------------ +# Check for compiler boilerplate output or warnings with +# the simple compiler test code. +m4_defun([_LT_COMPILER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* +])# _LT_COMPILER_BOILERPLATE + + +# _LT_LINKER_BOILERPLATE +# ---------------------- +# Check for linker boilerplate output or warnings with +# the simple link test code. +m4_defun([_LT_LINKER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* +])# _LT_LINKER_BOILERPLATE + +# _LT_REQUIRED_DARWIN_CHECKS +# ------------------------- +m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[ + case $host_os in + rhapsody* | darwin*) + AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:]) + AC_CHECK_TOOL([NMEDIT], [nmedit], [:]) + AC_CHECK_TOOL([LIPO], [lipo], [:]) + AC_CHECK_TOOL([OTOOL], [otool], [:]) + AC_CHECK_TOOL([OTOOL64], [otool64], [:]) + _LT_DECL([], [DSYMUTIL], [1], + [Tool to manipulate archived DWARF debug symbol files on Mac OS X]) + _LT_DECL([], [NMEDIT], [1], + [Tool to change global to local symbols on Mac OS X]) + _LT_DECL([], [LIPO], [1], + [Tool to manipulate fat objects and archives on Mac OS X]) + _LT_DECL([], [OTOOL], [1], + [ldd/readelf like tool for Mach-O binaries on Mac OS X]) + _LT_DECL([], [OTOOL64], [1], + [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4]) + + AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod], + [lt_cv_apple_cc_single_mod=no + if test -z "${LT_MULTI_MODULE}"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test $_lt_result -eq 0; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi]) + + AC_CACHE_CHECK([for -exported_symbols_list linker flag], + [lt_cv_ld_exported_symbols_list], + [lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [lt_cv_ld_exported_symbols_list=yes], + [lt_cv_ld_exported_symbols_list=no]) + LDFLAGS="$save_LDFLAGS" + ]) + + AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load], + [lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD + echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD + $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD + echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD + $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + ]) + case $host_os in + rhapsody* | darwin1.[[012]]) + _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + 10.[[012]]*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test "$lt_cv_apple_cc_single_mod" = "yes"; then + _lt_dar_single_mod='$single_module' + fi + if test "$lt_cv_ld_exported_symbols_list" = "yes"; then + _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}' + fi + if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac +]) + + +# _LT_DARWIN_LINKER_FEATURES([TAG]) +# --------------------------------- +# Checks for linker and compiler features on darwin +m4_defun([_LT_DARWIN_LINKER_FEATURES], +[ + m4_require([_LT_REQUIRED_DARWIN_CHECKS]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_automatic, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + if test "$lt_cv_ld_force_load" = "yes"; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes], + [FC], [_LT_TAGVAR(compiler_needs_object, $1)=yes]) + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='' + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)="$_lt_dar_allow_undefined" + case $cc_basename in + ifort*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test "$_lt_dar_can_shared" = "yes"; then + output_verbose_link_cmd=func_echo_all + _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" + _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" + _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" + m4_if([$1], [CXX], +[ if test "$lt_cv_apple_cc_single_mod" != "yes"; then + _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}" + fi +],[]) + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi +]) + +# _LT_SYS_MODULE_PATH_AIX([TAGNAME]) +# ---------------------------------- +# Links a minimal program and checks the executable +# for the system default hardcoded library path. In most cases, +# this is /usr/lib:/lib, but when the MPI compilers are used +# the location of the communication and MPI libs are included too. +# If we don't find anything, use the default library path according +# to the aix ld manual. +# Store the results from the different compilers for each TAGNAME. +# Allow to override them for all tags through lt_cv_aix_libpath. +m4_defun([_LT_SYS_MODULE_PATH_AIX], +[m4_require([_LT_DECL_SED])dnl +if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])], + [AC_LINK_IFELSE([AC_LANG_PROGRAM],[ + lt_aix_libpath_sed='[ + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }]' + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi],[]) + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])="/usr/lib:/lib" + fi + ]) + aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1]) +fi +])# _LT_SYS_MODULE_PATH_AIX + + +# _LT_SHELL_INIT(ARG) +# ------------------- +m4_define([_LT_SHELL_INIT], +[m4_divert_text([M4SH-INIT], [$1 +])])# _LT_SHELL_INIT + + + +# _LT_PROG_ECHO_BACKSLASH +# ----------------------- +# Find how we can fake an echo command that does not interpret backslash. +# In particular, with Autoconf 2.60 or later we add some code to the start +# of the generated configure script which will find a shell with a builtin +# printf (which we can use as an echo command). +m4_defun([_LT_PROG_ECHO_BACKSLASH], +[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +AC_MSG_CHECKING([how to print strings]) +# Test print first, because it will be a builtin if present. +if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \ + test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='print -r --' +elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='printf %s\n' +else + # Use this function as a fallback that always works. + func_fallback_echo () + { + eval 'cat <<_LTECHO_EOF +$[]1 +_LTECHO_EOF' + } + ECHO='func_fallback_echo' +fi + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + +case "$ECHO" in + printf*) AC_MSG_RESULT([printf]) ;; + print*) AC_MSG_RESULT([print -r]) ;; + *) AC_MSG_RESULT([cat]) ;; +esac + +m4_ifdef([_AS_DETECT_SUGGESTED], +[_AS_DETECT_SUGGESTED([ + test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test "X`printf %s $ECHO`" = "X$ECHO" \ + || test "X`print -r -- $ECHO`" = "X$ECHO" )])]) + +_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts]) +_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes]) +])# _LT_PROG_ECHO_BACKSLASH + + +# _LT_WITH_SYSROOT +# ---------------- +AC_DEFUN([_LT_WITH_SYSROOT], +[AC_MSG_CHECKING([for sysroot]) +AC_ARG_WITH([sysroot], +[ --with-sysroot[=DIR] Search for dependent libraries within DIR + (or the compiler's sysroot if not specified).], +[], [with_sysroot=no]) + +dnl lt_sysroot will always be passed unquoted. We quote it here +dnl in case the user passed a directory name. +lt_sysroot= +case ${with_sysroot} in #( + yes) + if test "$GCC" = yes; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + AC_MSG_RESULT([${with_sysroot}]) + AC_MSG_ERROR([The sysroot must be an absolute path.]) + ;; +esac + + AC_MSG_RESULT([${lt_sysroot:-no}]) +_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl +[dependent libraries, and in which our libraries should be installed.])]) + +# _LT_ENABLE_LOCK +# --------------- +m4_defun([_LT_ENABLE_LOCK], +[AC_ARG_ENABLE([libtool-lock], + [AS_HELP_STRING([--disable-libtool-lock], + [avoid locking (might break parallel builds)])]) +test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE="32" + ;; + *ELF-64*) + HPUX_IA64_MODE="64" + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out which ABI we are using. + echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + if test "$lt_cv_prog_gnu_ld" = yes; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_i386" + ;; + ppc64-*linux*|powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + ppc*-*linux*|powerpc*-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -belf" + AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, + [AC_LANG_PUSH(C) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) + AC_LANG_POP]) + if test x"$lt_cv_cc_needs_belf" != x"yes"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS="$SAVE_CFLAGS" + fi + ;; +*-*solaris*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD="${LD-ld}_sol2" + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks="$enable_libtool_lock" +])# _LT_ENABLE_LOCK + + +# _LT_PROG_AR +# ----------- +m4_defun([_LT_PROG_AR], +[AC_CHECK_TOOLS(AR, [ar], false) +: ${AR=ar} +: ${AR_FLAGS=cru} +_LT_DECL([], [AR], [1], [The archiver]) +_LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive]) + +AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], + [lt_cv_ar_at_file=no + AC_COMPILE_IFELSE([AC_LANG_PROGRAM], + [echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' + AC_TRY_EVAL([lt_ar_try]) + if test "$ac_status" -eq 0; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + AC_TRY_EVAL([lt_ar_try]) + if test "$ac_status" -ne 0; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + ]) + ]) + +if test "x$lt_cv_ar_at_file" = xno; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi +_LT_DECL([], [archiver_list_spec], [1], + [How to feed a file listing to the archiver]) +])# _LT_PROG_AR + + +# _LT_CMD_OLD_ARCHIVE +# ------------------- +m4_defun([_LT_CMD_OLD_ARCHIVE], +[_LT_PROG_AR + +AC_CHECK_TOOL(STRIP, strip, :) +test -z "$STRIP" && STRIP=: +_LT_DECL([], [STRIP], [1], [A symbol stripping program]) + +AC_CHECK_TOOL(RANLIB, ranlib, :) +test -z "$RANLIB" && RANLIB=: +_LT_DECL([], [RANLIB], [1], + [Commands used to install an old-style archive]) + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac +_LT_DECL([], [old_postinstall_cmds], [2]) +_LT_DECL([], [old_postuninstall_cmds], [2]) +_LT_TAGDECL([], [old_archive_cmds], [2], + [Commands used to build an old-style archive]) +_LT_DECL([], [lock_old_archive_extraction], [0], + [Whether to use a lock for old archive extraction]) +])# _LT_CMD_OLD_ARCHIVE + + +# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------------------- +# Check whether the given compiler option works +AC_DEFUN([_LT_COMPILER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$3" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + fi + $RM conftest* +]) + +if test x"[$]$2" = xyes; then + m4_if([$5], , :, [$5]) +else + m4_if([$6], , :, [$6]) +fi +])# _LT_COMPILER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) + + +# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------- +# Check whether the given linker option works +AC_DEFUN([_LT_LINKER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $3" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&AS_MESSAGE_LOG_FD + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + else + $2=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" +]) + +if test x"[$]$2" = xyes; then + m4_if([$4], , :, [$4]) +else + m4_if([$5], , :, [$5]) +fi +])# _LT_LINKER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) + + +# LT_CMD_MAX_LEN +#--------------- +AC_DEFUN([LT_CMD_MAX_LEN], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +# find the maximum length of command line arguments +AC_MSG_CHECKING([the maximum length of command line arguments]) +AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl + i=0 + teststring="ABCD" + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8 ; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test $i != 17 # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac +]) +if test -n $lt_cv_sys_max_cmd_len ; then + AC_MSG_RESULT($lt_cv_sys_max_cmd_len) +else + AC_MSG_RESULT(none) +fi +max_cmd_len=$lt_cv_sys_max_cmd_len +_LT_DECL([], [max_cmd_len], [0], + [What is the maximum length of a command?]) +])# LT_CMD_MAX_LEN + +# Old name: +AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) + + +# _LT_HEADER_DLFCN +# ---------------- +m4_defun([_LT_HEADER_DLFCN], +[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl +])# _LT_HEADER_DLFCN + + +# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, +# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) +# ---------------------------------------------------------------- +m4_defun([_LT_TRY_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test "$cross_compiling" = yes; then : + [$4] +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +[#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisbility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +}] +_LT_EOF + if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) $1 ;; + x$lt_dlneed_uscore) $2 ;; + x$lt_dlunknown|x*) $3 ;; + esac + else : + # compilation failed + $3 + fi +fi +rm -fr conftest* +])# _LT_TRY_DLOPEN_SELF + + +# LT_SYS_DLOPEN_SELF +# ------------------ +AC_DEFUN([LT_SYS_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test "x$enable_dlopen" != xyes; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen="load_add_on" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen="LoadLibrary" + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen="dlopen" + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],[ + lt_cv_dlopen="dyld" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ]) + ;; + + *) + AC_CHECK_FUNC([shl_load], + [lt_cv_dlopen="shl_load"], + [AC_CHECK_LIB([dld], [shl_load], + [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"], + [AC_CHECK_FUNC([dlopen], + [lt_cv_dlopen="dlopen"], + [AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"], + [AC_CHECK_LIB([svld], [dlopen], + [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"], + [AC_CHECK_LIB([dld], [dld_link], + [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"]) + ]) + ]) + ]) + ]) + ]) + ;; + esac + + if test "x$lt_cv_dlopen" != xno; then + enable_dlopen=yes + else + enable_dlopen=no + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS="$CPPFLAGS" + test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS="$LDFLAGS" + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS="$LIBS" + LIBS="$lt_cv_dlopen_libs $LIBS" + + AC_CACHE_CHECK([whether a program can dlopen itself], + lt_cv_dlopen_self, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, + lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) + ]) + + if test "x$lt_cv_dlopen_self" = xyes; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + AC_CACHE_CHECK([whether a statically linked program can dlopen itself], + lt_cv_dlopen_self_static, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, + lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) + ]) + fi + + CPPFLAGS="$save_CPPFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi +_LT_DECL([dlopen_support], [enable_dlopen], [0], + [Whether dlopen is supported]) +_LT_DECL([dlopen_self], [enable_dlopen_self], [0], + [Whether dlopen of programs is supported]) +_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], + [Whether dlopen of statically linked programs is supported]) +])# LT_SYS_DLOPEN_SELF + +# Old name: +AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) + + +# _LT_COMPILER_C_O([TAGNAME]) +# --------------------------- +# Check to see if options -c and -o are simultaneously supported by compiler. +# This macro does not hard code the compiler like AC_PROG_CC_C_O. +m4_defun([_LT_COMPILER_C_O], +[m4_require([_LT_DECL_SED])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + fi + fi + chmod u+w . 2>&AS_MESSAGE_LOG_FD + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* +]) +_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], + [Does compiler simultaneously support -c and -o options?]) +])# _LT_COMPILER_C_O + + +# _LT_COMPILER_FILE_LOCKS([TAGNAME]) +# ---------------------------------- +# Check to see if we can do hard links to lock some files if needed +m4_defun([_LT_COMPILER_FILE_LOCKS], +[m4_require([_LT_ENABLE_LOCK])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_COMPILER_C_O([$1]) + +hard_links="nottested" +if test "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then + # do not overwrite the value of need_locks provided by the user + AC_MSG_CHECKING([if we can lock with hard links]) + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + AC_MSG_RESULT([$hard_links]) + if test "$hard_links" = no; then + AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe]) + need_locks=warn + fi +else + need_locks=no +fi +_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) +])# _LT_COMPILER_FILE_LOCKS + + +# _LT_CHECK_OBJDIR +# ---------------- +m4_defun([_LT_CHECK_OBJDIR], +[AC_CACHE_CHECK([for objdir], [lt_cv_objdir], +[rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null]) +objdir=$lt_cv_objdir +_LT_DECL([], [objdir], [0], + [The name of the directory that contains temporary libtool files])dnl +m4_pattern_allow([LT_OBJDIR])dnl +AC_DEFINE_UNQUOTED(LT_OBJDIR, "$lt_cv_objdir/", + [Define to the sub-directory in which libtool stores uninstalled libraries.]) +])# _LT_CHECK_OBJDIR + + +# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) +# -------------------------------------- +# Check hardcoding attributes. +m4_defun([_LT_LINKER_HARDCODE_LIBPATH], +[AC_MSG_CHECKING([how to hardcode library paths into programs]) +_LT_TAGVAR(hardcode_action, $1)= +if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || + test -n "$_LT_TAGVAR(runpath_var, $1)" || + test "X$_LT_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then + + # We can hardcode non-existent directories. + if test "$_LT_TAGVAR(hardcode_direct, $1)" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" != no && + test "$_LT_TAGVAR(hardcode_minus_L, $1)" != no; then + # Linking always hardcodes the temporary library directory. + _LT_TAGVAR(hardcode_action, $1)=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + _LT_TAGVAR(hardcode_action, $1)=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + _LT_TAGVAR(hardcode_action, $1)=unsupported +fi +AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) + +if test "$_LT_TAGVAR(hardcode_action, $1)" = relink || + test "$_LT_TAGVAR(inherit_rpath, $1)" = yes; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi +_LT_TAGDECL([], [hardcode_action], [0], + [How to hardcode a shared library path into an executable]) +])# _LT_LINKER_HARDCODE_LIBPATH + + +# _LT_CMD_STRIPLIB +# ---------------- +m4_defun([_LT_CMD_STRIPLIB], +[m4_require([_LT_DECL_EGREP]) +striplib= +old_striplib= +AC_MSG_CHECKING([whether stripping libraries is possible]) +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + AC_MSG_RESULT([yes]) +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP" ; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + ;; + *) + AC_MSG_RESULT([no]) + ;; + esac +fi +_LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) +_LT_DECL([], [striplib], [1]) +])# _LT_CMD_STRIPLIB + + +# _LT_SYS_DYNAMIC_LINKER([TAG]) +# ----------------------------- +# PORTME Fill in your ld.so characteristics +m4_defun([_LT_SYS_DYNAMIC_LINKER], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_OBJDUMP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +AC_MSG_CHECKING([dynamic linker characteristics]) +m4_if([$1], + [], [ +if test "$GCC" = yes; then + case $host_os in + darwin*) lt_awk_arg="/^libraries:/,/LR/" ;; + *) lt_awk_arg="/^libraries:/" ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq="s,=\([[A-Za-z]]:\),\1,g" ;; + *) lt_sed_strip_eq="s,=/,/,g" ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary. + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path/$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir" + else + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS=" "; FS="/|\n";} { + lt_foo=""; + lt_count=0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo="/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[[lt_foo]]++; } + if (lt_freq[[lt_foo]] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's,/\([[A-Za-z]]:\),\1,g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi]) +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=".so" +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='${libname}${release}${shared_ext}$major' + ;; + +aix[[4-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test "$host_cpu" = ia64; then + # AIX 5 supports IA64 + library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line `#! .'. This would cause the generated library to + # depend on `.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[[01]] | aix4.[[01]].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # AIX (on Power*) has no versioning support, so currently we can not hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + if test "$aix_use_runtimelinking" = yes; then + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + else + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='${libname}${release}.a $libname.a' + soname_spec='${libname}${release}${shared_ext}$major' + fi + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='${libname}${shared_ext}' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[[45]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=".dll" + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"]) + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext}' + library_names_spec='${libname}.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec="$LIB" + if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='${libname}`echo ${release} | $SED -e 's/[[.]]/-/g'`${versuffix}${shared_ext} $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext' + soname_spec='${libname}${release}${major}$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[[23]].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[[01]]* | freebsdelf3.[[01]]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \ + freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=yes + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + if test "X$HPUX_IA64_MODE" = X32; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + fi + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[[3-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" + sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], + [lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \ + LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\"" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null], + [lt_cv_shlibpath_overrides_runpath=yes])]) + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + ]) + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd*) + version_type=sunos + sys_lib_dlsearch_path_spec="/usr/lib" + need_lib_prefix=no + # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. + case $host_os in + openbsd3.3 | openbsd3.3.*) need_version=yes ;; + *) need_version=no ;; + esac + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + case $host_os in + openbsd2.[[89]] | openbsd2.[[89]].*) + shlibpath_overrides_runpath=no + ;; + *) + shlibpath_overrides_runpath=yes + ;; + esac + else + shlibpath_overrides_runpath=yes + fi + ;; + +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test "$with_gnu_ld" = yes; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec ;then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=freebsd-elf + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test "$with_gnu_ld" = yes; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +AC_MSG_RESULT([$dynamic_linker]) +test "$dynamic_linker" = no && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then + sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +fi +if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then + sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" +fi + +_LT_DECL([], [variables_saved_for_relink], [1], + [Variables whose values should be saved in libtool wrapper scripts and + restored at link time]) +_LT_DECL([], [need_lib_prefix], [0], + [Do we need the "lib" prefix for modules?]) +_LT_DECL([], [need_version], [0], [Do we need a version for libraries?]) +_LT_DECL([], [version_type], [0], [Library versioning type]) +_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable]) +_LT_DECL([], [shlibpath_var], [0],[Shared library path variable]) +_LT_DECL([], [shlibpath_overrides_runpath], [0], + [Is shlibpath searched before the hard-coded library search path?]) +_LT_DECL([], [libname_spec], [1], [Format of library name prefix]) +_LT_DECL([], [library_names_spec], [1], + [[List of archive names. First name is the real one, the rest are links. + The last name is the one that the linker finds with -lNAME]]) +_LT_DECL([], [soname_spec], [1], + [[The coded name of the library, if different from the real name]]) +_LT_DECL([], [install_override_mode], [1], + [Permission mode override for installation of shared libraries]) +_LT_DECL([], [postinstall_cmds], [2], + [Command to use after installation of a shared archive]) +_LT_DECL([], [postuninstall_cmds], [2], + [Command to use after uninstallation of a shared archive]) +_LT_DECL([], [finish_cmds], [2], + [Commands used to finish a libtool library installation in a directory]) +_LT_DECL([], [finish_eval], [1], + [[As "finish_cmds", except a single script fragment to be evaled but + not shown]]) +_LT_DECL([], [hardcode_into_libs], [0], + [Whether we should hardcode library paths into libraries]) +_LT_DECL([], [sys_lib_search_path_spec], [2], + [Compile-time system search path for libraries]) +_LT_DECL([], [sys_lib_dlsearch_path_spec], [2], + [Run-time system search path for libraries]) +])# _LT_SYS_DYNAMIC_LINKER + + +# _LT_PATH_TOOL_PREFIX(TOOL) +# -------------------------- +# find a file program which can recognize shared library +AC_DEFUN([_LT_PATH_TOOL_PREFIX], +[m4_require([_LT_DECL_EGREP])dnl +AC_MSG_CHECKING([for $1]) +AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, +[case $MAGIC_CMD in +[[\\/*] | ?:[\\/]*]) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR +dnl $ac_dummy forces splitting on constant user-supplied paths. +dnl POSIX.2 word splitting is done only on the output of word expansions, +dnl not every word. This closes a longstanding sh security hole. + ac_dummy="m4_if([$2], , $PATH, [$2])" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/$1; then + lt_cv_path_MAGIC_CMD="$ac_dir/$1" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac]) +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + AC_MSG_RESULT($MAGIC_CMD) +else + AC_MSG_RESULT(no) +fi +_LT_DECL([], [MAGIC_CMD], [0], + [Used to examine libraries when file_magic_cmd begins with "file"])dnl +])# _LT_PATH_TOOL_PREFIX + +# Old name: +AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], []) + + +# _LT_PATH_MAGIC +# -------------- +# find a file program which can recognize a shared library +m4_defun([_LT_PATH_MAGIC], +[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH) +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH) + else + MAGIC_CMD=: + fi +fi +])# _LT_PATH_MAGIC + + +# LT_PATH_LD +# ---------- +# find the pathname to the GNU or non-GNU linker +AC_DEFUN([LT_PATH_LD], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PROG_ECHO_BACKSLASH])dnl + +AC_ARG_WITH([gnu-ld], + [AS_HELP_STRING([--with-gnu-ld], + [assume the C compiler uses GNU ld @<:@default=no@:>@])], + [test "$withval" = no || with_gnu_ld=yes], + [with_gnu_ld=no])dnl + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by $CC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]]* | ?:[[\\/]]*) + re_direlt='/[[^/]][[^/]]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL(lt_cv_path_LD, +[if test -z "$LD"; then + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &1 /dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'] + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[[3-9]]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +esac +]) + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + +_LT_DECL([], [deplibs_check_method], [1], + [Method to check whether dependent libraries are shared objects]) +_LT_DECL([], [file_magic_cmd], [1], + [Command to use when deplibs_check_method = "file_magic"]) +_LT_DECL([], [file_magic_glob], [1], + [How to find potential files when deplibs_check_method = "file_magic"]) +_LT_DECL([], [want_nocaseglob], [1], + [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) +])# _LT_CHECK_MAGIC_METHOD + + +# LT_PATH_NM +# ---------- +# find the pathname to a BSD- or MS-compatible name lister +AC_DEFUN([LT_PATH_NM], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, +[if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM="$NM" +else + lt_nm_to_check="${ac_tool_prefix}nm" + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + tmp_nm="$ac_dir/$lt_tmp_nm" + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the `sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in + */dev/null* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS="$lt_save_ifs" + done + : ${lt_cv_path_NM=no} +fi]) +if test "$lt_cv_path_NM" != "no"; then + NM="$lt_cv_path_NM" +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) + case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols" + ;; + *) + DUMPBIN=: + ;; + esac + fi + AC_SUBST([DUMPBIN]) + if test "$DUMPBIN" != ":"; then + NM="$DUMPBIN" + fi +fi +test -z "$NM" && NM=nm +AC_SUBST([NM]) +_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl + +AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], + [lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) + cat conftest.out >&AS_MESSAGE_LOG_FD + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest*]) +])# LT_PATH_NM + +# Old names: +AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) +AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_PROG_NM], []) +dnl AC_DEFUN([AC_PROG_NM], []) + +# _LT_CHECK_SHAREDLIB_FROM_LINKLIB +# -------------------------------- +# how to determine the name of the shared library +# associated with a specific link library. +# -- PORTME fill in with the dynamic library characteristics +m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], +[m4_require([_LT_DECL_EGREP]) +m4_require([_LT_DECL_OBJDUMP]) +m4_require([_LT_DECL_DLLTOOL]) +AC_CACHE_CHECK([how to associate runtime and link libraries], +lt_cv_sharedlib_from_linklib_cmd, +[lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh + # decide which to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd="$ECHO" + ;; +esac +]) +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + +_LT_DECL([], [sharedlib_from_linklib_cmd], [1], + [Command to associate shared and link libraries]) +])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB + + +# _LT_PATH_MANIFEST_TOOL +# ---------------------- +# locate the manifest tool +m4_defun([_LT_PATH_MANIFEST_TOOL], +[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], + [lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&AS_MESSAGE_LOG_FD + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest*]) +if test "x$lt_cv_path_mainfest_tool" != xyes; then + MANIFEST_TOOL=: +fi +_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl +])# _LT_PATH_MANIFEST_TOOL + + +# LT_LIB_M +# -------- +# check for math library +AC_DEFUN([LT_LIB_M], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +LIBM= +case $host in +*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) + # These system don't have libm, or don't need it + ;; +*-ncr-sysv4.3*) + AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") + AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") + ;; +*) + AC_CHECK_LIB(m, cos, LIBM="-lm") + ;; +esac +AC_SUBST([LIBM]) +])# LT_LIB_M + +# Old name: +AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_CHECK_LIBM], []) + + +# _LT_COMPILER_NO_RTTI([TAGNAME]) +# ------------------------------- +m4_defun([_LT_COMPILER_NO_RTTI], +[m4_require([_LT_TAG_COMPILER])dnl + +_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + +if test "$GCC" = yes; then + case $cc_basename in + nvcc*) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; + *) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; + esac + + _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], + lt_cv_prog_compiler_rtti_exceptions, + [-fno-rtti -fno-exceptions], [], + [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) +fi +_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], + [Compiler flag to turn off builtin functions]) +])# _LT_COMPILER_NO_RTTI + + +# _LT_CMD_GLOBAL_SYMBOLS +# ---------------------- +m4_defun([_LT_CMD_GLOBAL_SYMBOLS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_PROG_AWK])dnl +AC_REQUIRE([LT_PATH_NM])dnl +AC_REQUIRE([LT_PATH_LD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_TAG_COMPILER])dnl + +# Check for command to grab the raw symbol name followed by C symbol from nm. +AC_MSG_CHECKING([command to parse $NM output from $compiler object]) +AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], +[ +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[[BCDEGRST]]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[[BCDT]]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[[ABCDGISTW]]' + ;; +hpux*) + if test "$host_cpu" = ia64; then + symcode='[[ABCDEGRST]]' + fi + ;; +irix* | nonstopux*) + symcode='[[BCDEGRST]]' + ;; +osf*) + symcode='[[BCDEGQRST]]' + ;; +solaris*) + symcode='[[BDRT]]' + ;; +sco3.2v5*) + symcode='[[DT]]' + ;; +sysv4.2uw2*) + symcode='[[DT]]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[[ABDT]]' + ;; +sysv4) + symcode='[[DFNSTU]]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[[ABCDGIRSTW]]' ;; +esac + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p'" +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([[^ ]]*\)[[ ]]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \(lib[[^ ]]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"lib\2\", (void *) \&\2},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function + # and D for any global variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK ['"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ +" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ +" s[1]~/^[@?]/{print s[1], s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx]" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if AC_TRY_EVAL(ac_compile); then + # Now try to grab the symbols. + nlist=conftest.nm + if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) +/* DATA imports from DLLs on WIN32 con't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT@&t@_DLSYM_CONST +#elif defined(__osf__) +/* This system does not cope well with relocations in const data. */ +# define LT@&t@_DLSYM_CONST +#else +# define LT@&t@_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT@&t@_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[[]] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS="conftstm.$ac_objext" + CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" + if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD + fi + else + echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test "$pipe_works" = yes; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done +]) +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + AC_MSG_RESULT(failed) +else + AC_MSG_RESULT(ok) +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + +_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], + [Take the output of nm and produce a listing of raw symbols and C names]) +_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], + [Transform the output of nm in a proper C declaration]) +_LT_DECL([global_symbol_to_c_name_address], + [lt_cv_sys_global_symbol_to_c_name_address], [1], + [Transform the output of nm in a C name address pair]) +_LT_DECL([global_symbol_to_c_name_address_lib_prefix], + [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], + [Transform the output of nm in a C name address pair when lib prefix is needed]) +_LT_DECL([], [nm_file_list_spec], [1], + [Specify filename containing input files for $NM]) +]) # _LT_CMD_GLOBAL_SYMBOLS + + +# _LT_COMPILER_PIC([TAGNAME]) +# --------------------------- +m4_defun([_LT_COMPILER_PIC], +[m4_require([_LT_TAG_COMPILER])dnl +_LT_TAGVAR(lt_prog_compiler_wl, $1)= +_LT_TAGVAR(lt_prog_compiler_pic, $1)= +_LT_TAGVAR(lt_prog_compiler_static, $1)= + +m4_if([$1], [CXX], [ + # C++ specific cases for pic, static, wl, etc. + if test "$GXX" = yes; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + else + case $host_os in + aix[[4-9]]*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + dgux*) + case $cc_basename in + ec++*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + if test "$host_cpu" != ia64; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + fi + ;; + aCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + KCC*) + # KAI C++ Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64 which still supported -KPIC. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) + # IBM XL 8.0, 9.0 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd*) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + cxx*) + # Digital/Compaq C++ + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + lcc*) + # Lucid + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +], +[ + if test "$GCC" = yes; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' + if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + + hpux9* | hpux10* | hpux11*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + _LT_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC (with -KPIC) is the default. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + # old Intel for x86_64 which still supported -KPIC. + ecc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' + _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' + ;; + nagfor*) + # NAG Fortran compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + ccc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All Alpha code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='' + ;; + *Sun\ F* | *Sun*Fortran*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + ;; + *Intel*\ [[CF]]*Compiler*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + *Portland\ Group*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All OSF/1 code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + rdos*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + solaris*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; + *) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; + esac + ;; + + sunos4*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec ;then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + unicos*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + + uts4*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +]) +case $host_os in + # For platforms which do not support PIC, -DPIC is meaningless: + *djgpp*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" + ;; +esac + +AC_CACHE_CHECK([for $compiler option to produce PIC], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) +_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], + [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], + [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], + [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in + "" | " "*) ;; + *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; + esac], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) +fi +_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], + [Additional compiler flags for building library objects]) + +_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], + [How to pass a linker flag through the compiler]) +# +# Check to make sure the static flag actually works. +# +wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" +_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], + _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), + $lt_tmp_static_flag, + [], + [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) +_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], + [Compiler flag to prevent dynamic linking]) +])# _LT_COMPILER_PIC + + +# _LT_LINKER_SHLIBS([TAGNAME]) +# ---------------------------- +# See if the linker supports building shared libraries. +m4_defun([_LT_LINKER_SHLIBS], +[AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) +m4_if([$1], [CXX], [ + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + case $host_os in + aix[[4-9]]*) + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global defined + # symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + ;; + pw32*) + _LT_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds" + ;; + cygwin* | mingw* | cegcc*) + case $cc_basename in + cl*) + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + ;; + esac + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + ;; + esac +], [ + runpath_var= + _LT_TAGVAR(allow_undefined_flag, $1)= + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(archive_cmds, $1)= + _LT_TAGVAR(archive_expsym_cmds, $1)= + _LT_TAGVAR(compiler_needs_object, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(hardcode_automatic, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(hardcode_libdir_separator, $1)= + _LT_TAGVAR(hardcode_minus_L, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + _LT_TAGVAR(inherit_rpath, $1)=no + _LT_TAGVAR(link_all_deplibs, $1)=unknown + _LT_TAGVAR(module_cmds, $1)= + _LT_TAGVAR(module_expsym_cmds, $1)= + _LT_TAGVAR(old_archive_from_new_cmds, $1)= + _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)= + _LT_TAGVAR(thread_safe_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + _LT_TAGVAR(include_expsyms, $1)= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ` (' and `)$', so one must not match beginning or + # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', + # as well as any symbol that contains `d'. + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. +dnl Note also adjust exclude_expsyms for C++ above. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; + esac + + _LT_TAGVAR(ld_shlibs, $1)=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test "$with_gnu_ld" = yes; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;; + *\ \(GNU\ Binutils\)\ [[3-9]]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test "$lt_use_gnu_ld_interface" = yes; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='${wl}' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + supports_anon_versioning=no + case `$LD -v 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[[3-9]]*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test "$host_os" = linux-dietlibc; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test "$tmp_diet" = no + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + _LT_TAGVAR(whole_archive_flag_spec, $1)= + tmp_sharedflag='--shared' ;; + xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*) + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + sunos4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + + if test "$_LT_TAGVAR(ld_shlibs, $1)" = no; then + runpath_var= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + _LT_TAGVAR(hardcode_direct, $1)=unsupported + fi + ;; + + aix[[4-9]]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global + # defined symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && ([substr](\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='${wl}-f,' + + if test "$GCC" = yes; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + ;; + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + # This is similar to how AIX traditionally builds its shared libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + bsdi[[45]]*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + # FIXME: Should let the user specify the lib program. + _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + esac + ;; + + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + hpux9*) + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + ;; + + hpux10*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + fi + ;; + + hpux11*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + m4_if($1, [], [ + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + _LT_LINKER_OPTION([if $CC understands -b], + _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'], + [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags']) + ;; + esac + fi + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol], + [lt_cv_irix_exported_symbol], + [save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" + AC_LINK_IFELSE( + [AC_LANG_SOURCE( + [AC_LANG_CASE([C], [[int foo (void) { return 0; }]], + [C++], [[int foo (void) { return 0; }]], + [Fortran 77], [[ + subroutine foo + end]], + [Fortran], [[ + subroutine foo + end]])])], + [lt_cv_irix_exported_symbol=yes], + [lt_cv_irix_exported_symbol=no]) + LDFLAGS="$save_LDFLAGS"]) + if test "$lt_cv_irix_exported_symbol" = yes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' + fi + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + newsos6) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *nto* | *qnx*) + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + else + case $host_os in + openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + ;; + esac + fi + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_from_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' + ;; + + osf3*) + if test "$GCC" = yes; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test "$GCC" = yes; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + solaris*) + _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' + if test "$GCC" = yes; then + wlarc='${wl}' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + _LT_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='${wl}' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. GCC discards it without `$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test "$GCC" = yes; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + fi + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + sunos4*) + if test "x$host_vendor" = xsequent; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4) + case $host_vendor in + sni) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' + _LT_TAGVAR(hardcode_direct, $1)=no + ;; + motorola) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4.3*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + _LT_TAGVAR(ld_shlibs, $1)=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + if test x$host_vendor = xsni; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Blargedynsym' + ;; + esac + fi + fi +]) +AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) +test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no + +_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld + +_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl +_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl +_LT_DECL([], [extract_expsyms_cmds], [2], + [The commands to extract the exported symbol list from a shared archive]) + +# +# Do we need to explicitly link libc? +# +case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in +x|xyes) + # Assume -lc should be added + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + + if test "$enable_shared" = yes && test "$GCC" = yes; then + case $_LT_TAGVAR(archive_cmds, $1) in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + AC_CACHE_CHECK([whether -lc should be explicitly linked in], + [lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1), + [$RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if AC_TRY_EVAL(ac_compile) 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) + pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1) + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1) + _LT_TAGVAR(allow_undefined_flag, $1)= + if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) + then + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no + else + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes + fi + _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + ]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1) + ;; + esac + fi + ;; +esac + +_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0], + [Whether or not to add -lc for building shared libraries]) +_LT_TAGDECL([allow_libtool_libs_with_static_runtimes], + [enable_shared_with_static_runtimes], [0], + [Whether or not to disallow shared libs when runtime libs are static]) +_LT_TAGDECL([], [export_dynamic_flag_spec], [1], + [Compiler flag to allow reflexive dlopens]) +_LT_TAGDECL([], [whole_archive_flag_spec], [1], + [Compiler flag to generate shared objects directly from archives]) +_LT_TAGDECL([], [compiler_needs_object], [1], + [Whether the compiler copes with passing no objects directly]) +_LT_TAGDECL([], [old_archive_from_new_cmds], [2], + [Create an old-style archive from a shared archive]) +_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2], + [Create a temporary old-style archive to link instead of a shared archive]) +_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive]) +_LT_TAGDECL([], [archive_expsym_cmds], [2]) +_LT_TAGDECL([], [module_cmds], [2], + [Commands used to build a loadable module if different from building + a shared archive.]) +_LT_TAGDECL([], [module_expsym_cmds], [2]) +_LT_TAGDECL([], [with_gnu_ld], [1], + [Whether we are building with GNU ld or not]) +_LT_TAGDECL([], [allow_undefined_flag], [1], + [Flag that allows shared libraries with undefined symbols to be built]) +_LT_TAGDECL([], [no_undefined_flag], [1], + [Flag that enforces no undefined symbols]) +_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1], + [Flag to hardcode $libdir into a binary during linking. + This must work even if $libdir does not exist]) +_LT_TAGDECL([], [hardcode_libdir_separator], [1], + [Whether we need a single "-rpath" flag with a separated argument]) +_LT_TAGDECL([], [hardcode_direct], [0], + [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes + DIR into the resulting binary]) +_LT_TAGDECL([], [hardcode_direct_absolute], [0], + [Set to "yes" if using DIR/libNAME${shared_ext} during linking hardcodes + DIR into the resulting binary and the resulting library dependency is + "absolute", i.e impossible to change by setting ${shlibpath_var} if the + library is relocated]) +_LT_TAGDECL([], [hardcode_minus_L], [0], + [Set to "yes" if using the -LDIR flag during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_shlibpath_var], [0], + [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_automatic], [0], + [Set to "yes" if building a shared library automatically hardcodes DIR + into the library and all subsequent libraries and executables linked + against it]) +_LT_TAGDECL([], [inherit_rpath], [0], + [Set to yes if linker adds runtime paths of dependent libraries + to runtime path list]) +_LT_TAGDECL([], [link_all_deplibs], [0], + [Whether libtool must link a program against all its dependency libraries]) +_LT_TAGDECL([], [always_export_symbols], [0], + [Set to "yes" if exported symbols are required]) +_LT_TAGDECL([], [export_symbols_cmds], [2], + [The commands to list exported symbols]) +_LT_TAGDECL([], [exclude_expsyms], [1], + [Symbols that should not be listed in the preloaded symbols]) +_LT_TAGDECL([], [include_expsyms], [1], + [Symbols that must always be exported]) +_LT_TAGDECL([], [prelink_cmds], [2], + [Commands necessary for linking programs (against libraries) with templates]) +_LT_TAGDECL([], [postlink_cmds], [2], + [Commands necessary for finishing linking programs]) +_LT_TAGDECL([], [file_list_spec], [1], + [Specify filename containing input files]) +dnl FIXME: Not yet implemented +dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1], +dnl [Compiler flag to generate thread safe objects]) +])# _LT_LINKER_SHLIBS + + +# _LT_LANG_C_CONFIG([TAG]) +# ------------------------ +# Ensure that the configuration variables for a C compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to `libtool'. +m4_defun([_LT_LANG_C_CONFIG], +[m4_require([_LT_DECL_EGREP])dnl +lt_save_CC="$CC" +AC_LANG_PUSH(C) + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + +_LT_TAG_COMPILER +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + LT_SYS_DLOPEN_SELF + _LT_CMD_STRIPLIB + + # Report which library types will actually be built + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_CONFIG($1) +fi +AC_LANG_POP +CC="$lt_save_CC" +])# _LT_LANG_C_CONFIG + + +# _LT_LANG_CXX_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a C++ compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to `libtool'. +m4_defun([_LT_LANG_CXX_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +if test -n "$CXX" && ( test "X$CXX" != "Xno" && + ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) || + (test "X$CXX" != "Xg++"))) ; then + AC_PROG_CXXCPP +else + _lt_caught_CXX_error=yes +fi + +AC_LANG_PUSH(C++) +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(compiler_needs_object, $1)=no +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_caught_CXX_error" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_CFLAGS=$CFLAGS + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + CFLAGS=$CXXFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test "$GXX" = yes; then + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' + else + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + fi + + if test "$GXX" = yes; then + # Set up default GNU C++ configuration + + LT_PATH_LD + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test "$with_gnu_ld" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='${wl}' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) + _LT_TAGVAR(ld_shlibs, $1)=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aix[[4-9]]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='${wl}-f,' + + if test "$GXX" = yes; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an empty + # executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + # This is similar to how AIX traditionally builds its shared + # libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + case $GXX,$cc_basename in + ,cl* | no,cl*) + # Native MSVC + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + $SED -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + $SED -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + func_to_tool_file "$lt_outputfile"~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # g++ + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + _LT_TAGVAR(archive_expsym_cmds, $1)='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + case $cc_basename in + ec++*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + ghcx*) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + freebsd2.*) + # C++ shared libraries reported to be fairly broken before + # switch to ELF + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + freebsd-elf*) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + ;; + + freebsd* | dragonfly*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + gnu*) + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + hpux9*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test $with_gnu_ld = no; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + if test $with_gnu_ld = no; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs' + ;; + *) + if test "$GXX" = yes; then + if test "$with_gnu_ld" = no; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` -o $lib' + fi + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + esac + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 8.0 or newer + tmp_idyn= + case $host_cpu in + ia64*) tmp_idyn=' -i_dynamic';; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + case `$CC -V` in + *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) + _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ + compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' + _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ + $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ + $RANLIB $oldlib' + _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + *) # Version 6 and above use weak symbols + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + ;; + cxx*) + # Compaq C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' + ;; + xl* | mpixl* | bgxl*) + # IBM XL 8.0 on PPC, with GNU ld + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic' + _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + openbsd2*) + # C++ shared libraries are fairly broken + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E' + _LT_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + fi + output_verbose_link_cmd=func_echo_all + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + cxx*) + case $host in + osf3*) + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && func_echo_all "${wl}-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + ;; + *) + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ + $RM $lib.exp' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*' + case $host in + osf3*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(archive_cmds_need_lc,$1)=yes + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + _LT_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + else + # g++ 2.7 appears to require `-G' NOT `-shared' on this + # platform. + _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + fi + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir' + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + _LT_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='${wl}-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='${wl}-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~ + '"$_LT_TAGVAR(old_archive_cmds, $1)" + _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~ + '"$_LT_TAGVAR(reload_cmds, $1)" + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) + test "$_LT_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no + + _LT_TAGVAR(GCC, $1)="$GXX" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test "$_lt_caught_CXX_error" != yes + +AC_LANG_POP +])# _LT_LANG_CXX_CONFIG + + +# _LT_FUNC_STRIPNAME_CNF +# ---------------------- +# func_stripname_cnf prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# +# This function is identical to the (non-XSI) version of func_stripname, +# except this one can be used by m4 code that may be executed by configure, +# rather than the libtool script. +m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl +AC_REQUIRE([_LT_DECL_SED]) +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH]) +func_stripname_cnf () +{ + case ${2} in + .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; + *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; + esac +} # func_stripname_cnf +])# _LT_FUNC_STRIPNAME_CNF + +# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME]) +# --------------------------------- +# Figure out "hidden" library dependencies from verbose +# compiler output when linking a shared library. +# Parse the compiler output and extract the necessary +# objects, libraries and library flags. +m4_defun([_LT_SYS_HIDDEN_LIBDEPS], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl +# Dependencies to place before and after the object being linked: +_LT_TAGVAR(predep_objects, $1)= +_LT_TAGVAR(postdep_objects, $1)= +_LT_TAGVAR(predeps, $1)= +_LT_TAGVAR(postdeps, $1)= +_LT_TAGVAR(compiler_lib_search_path, $1)= + +dnl we can't use the lt_simple_compile_test_code here, +dnl because it contains code intended for an executable, +dnl not a library. It's possible we should let each +dnl tag define a new lt_????_link_test_code variable, +dnl but it's only used here... +m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF +int a; +void foo (void) { a = 0; } +_LT_EOF +], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF +], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer*4 a + a=0 + return + end +_LT_EOF +], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer a + a=0 + return + end +_LT_EOF +], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF +public class foo { + private int a; + public void bar (void) { + a = 0; + } +}; +_LT_EOF +], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF +package foo +func foo() { +} +_LT_EOF +]) + +_lt_libdeps_save_CFLAGS=$CFLAGS +case "$CC $CFLAGS " in #( +*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;; +*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;; +*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;; +esac + +dnl Parse the compiler output and extract the necessary +dnl objects, libraries and library flags. +if AC_TRY_EVAL(ac_compile); then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case ${prev}${p} in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test $p = "-L" || + test $p = "-R"; then + prev=$p + continue + fi + + # Expand the sysroot to ease extracting the directories later. + if test -z "$prev"; then + case $p in + -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;; + -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;; + -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;; + esac + fi + case $p in + =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;; + esac + if test "$pre_test_object_deps_done" = no; then + case ${prev} in + -L | -R) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then + _LT_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}" + else + _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$_LT_TAGVAR(postdeps, $1)"; then + _LT_TAGVAR(postdeps, $1)="${prev}${p}" + else + _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} ${prev}${p}" + fi + fi + prev= + ;; + + *.lto.$objext) ;; # Ignore GCC LTO objects + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test "$pre_test_object_deps_done" = no; then + if test -z "$_LT_TAGVAR(predep_objects, $1)"; then + _LT_TAGVAR(predep_objects, $1)="$p" + else + _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p" + fi + else + if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then + _LT_TAGVAR(postdep_objects, $1)="$p" + else + _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling $1 test program" +fi + +$RM -f confest.$objext +CFLAGS=$_lt_libdeps_save_CFLAGS + +# PORTME: override above test on systems where it is broken +m4_if([$1], [CXX], +[case $host_os in +interix[[3-9]]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + _LT_TAGVAR(predep_objects,$1)= + _LT_TAGVAR(postdep_objects,$1)= + _LT_TAGVAR(postdeps,$1)= + ;; + +linux*) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + if test "$solaris_use_stlport4" != yes; then + _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun' + fi + ;; + esac + ;; + +solaris*) + case $cc_basename in + CC* | sunCC*) + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + # Adding this requires a known-good setup of shared libraries for + # Sun compiler versions before 5.6, else PIC objects from an old + # archive will be linked into the output, leading to subtle bugs. + if test "$solaris_use_stlport4" != yes; then + _LT_TAGVAR(postdeps,$1)='-library=Cstd -library=Crun' + fi + ;; + esac + ;; +esac +]) + +case " $_LT_TAGVAR(postdeps, $1) " in +*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;; +esac + _LT_TAGVAR(compiler_lib_search_dirs, $1)= +if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then + _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | ${SED} -e 's! -L! !g' -e 's!^ !!'` +fi +_LT_TAGDECL([], [compiler_lib_search_dirs], [1], + [The directories searched by this compiler when creating a shared library]) +_LT_TAGDECL([], [predep_objects], [1], + [Dependencies to place before and after the objects being linked to + create a shared library]) +_LT_TAGDECL([], [postdep_objects], [1]) +_LT_TAGDECL([], [predeps], [1]) +_LT_TAGDECL([], [postdeps], [1]) +_LT_TAGDECL([], [compiler_lib_search_path], [1], + [The library search path used internally by the compiler when linking + a shared library]) +])# _LT_SYS_HIDDEN_LIBDEPS + + +# _LT_LANG_F77_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a Fortran 77 compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_F77_CONFIG], +[AC_LANG_PUSH(Fortran 77) +if test -z "$F77" || test "X$F77" = "Xno"; then + _lt_disable_F77=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for f77 test sources. +ac_ext=f + +# Object file extension for compiled f77 test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the F77 compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_disable_F77" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC="$CC" + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${F77-"f77"} + CFLAGS=$FFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + GCC=$G77 + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)="$G77" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC="$lt_save_CC" + CFLAGS="$lt_save_CFLAGS" +fi # test "$_lt_disable_F77" != yes + +AC_LANG_POP +])# _LT_LANG_F77_CONFIG + + +# _LT_LANG_FC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for a Fortran compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_FC_CONFIG], +[AC_LANG_PUSH(Fortran) + +if test -z "$FC" || test "X$FC" = "Xno"; then + _lt_disable_FC=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for fc test sources. +ac_ext=${ac_fc_srcext-f} + +# Object file extension for compiled fc test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the FC compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_disable_FC" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC="$CC" + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${FC-"f95"} + CFLAGS=$FCFLAGS + compiler=$CC + GCC=$ac_cv_fc_compiler_gnu + + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)="$ac_cv_fc_compiler_gnu" + _LT_TAGVAR(LD, $1)="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS +fi # test "$_lt_disable_FC" != yes + +AC_LANG_POP +])# _LT_LANG_FC_CONFIG + + +# _LT_LANG_GCJ_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Java Compiler compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_GCJ_CONFIG], +[AC_REQUIRE([LT_PROG_GCJ])dnl +AC_LANG_SAVE + +# Source file extension for Java test sources. +ac_ext=java + +# Object file extension for compiled Java test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="class foo {}" + +# Code to be used in simple link tests +lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GCJ-"gcj"} +CFLAGS=$GCJFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)="$LD" +_LT_CC_BASENAME([$compiler]) + +# GCJ did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GCJ_CONFIG + + +# _LT_LANG_GO_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Go compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_GO_CONFIG], +[AC_REQUIRE([LT_PROG_GO])dnl +AC_LANG_SAVE + +# Source file extension for Go test sources. +ac_ext=go + +# Object file extension for compiled Go test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="package main; func main() { }" + +# Code to be used in simple link tests +lt_simple_link_test_code='package main; func main() { }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GOC-"gccgo"} +CFLAGS=$GOFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)="$LD" +_LT_CC_BASENAME([$compiler]) + +# Go did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GO_CONFIG + + +# _LT_LANG_RC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for the Windows resource compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to `libtool'. +m4_defun([_LT_LANG_RC_CONFIG], +[AC_REQUIRE([LT_PROG_RC])dnl +AC_LANG_SAVE + +# Source file extension for RC test sources. +ac_ext=rc + +# Object file extension for compiled RC test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }' + +# Code to be used in simple link tests +lt_simple_link_test_code="$lt_simple_compile_test_code" + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC="$CC" +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC= +CC=${RC-"windres"} +CFLAGS= +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_CC_BASENAME([$compiler]) +_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + +if test -n "$compiler"; then + : + _LT_CONFIG($1) +fi + +GCC=$lt_save_GCC +AC_LANG_RESTORE +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_RC_CONFIG + + +# LT_PROG_GCJ +# ----------- +AC_DEFUN([LT_PROG_GCJ], +[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ], + [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ], + [AC_CHECK_TOOL(GCJ, gcj,) + test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2" + AC_SUBST(GCJFLAGS)])])[]dnl +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_GCJ], []) + + +# LT_PROG_GO +# ---------- +AC_DEFUN([LT_PROG_GO], +[AC_CHECK_TOOL(GOC, gccgo,) +]) + + +# LT_PROG_RC +# ---------- +AC_DEFUN([LT_PROG_RC], +[AC_CHECK_TOOL(RC, windres,) +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_RC], []) + + +# _LT_DECL_EGREP +# -------------- +# If we don't have a new enough Autoconf to choose the best grep +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_EGREP], +[AC_REQUIRE([AC_PROG_EGREP])dnl +AC_REQUIRE([AC_PROG_FGREP])dnl +test -z "$GREP" && GREP=grep +_LT_DECL([], [GREP], [1], [A grep program that handles long lines]) +_LT_DECL([], [EGREP], [1], [An ERE matcher]) +_LT_DECL([], [FGREP], [1], [A literal string matcher]) +dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too +AC_SUBST([GREP]) +]) + + +# _LT_DECL_OBJDUMP +# -------------- +# If we don't have a new enough Autoconf to choose the best objdump +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_OBJDUMP], +[AC_CHECK_TOOL(OBJDUMP, objdump, false) +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper]) +AC_SUBST([OBJDUMP]) +]) + +# _LT_DECL_DLLTOOL +# ---------------- +# Ensure DLLTOOL variable is set. +m4_defun([_LT_DECL_DLLTOOL], +[AC_CHECK_TOOL(DLLTOOL, dlltool, false) +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program]) +AC_SUBST([DLLTOOL]) +]) + +# _LT_DECL_SED +# ------------ +# Check for a fully-functional sed program, that truncates +# as few characters as possible. Prefer GNU sed if found. +m4_defun([_LT_DECL_SED], +[AC_PROG_SED +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" +_LT_DECL([], [SED], [1], [A sed program that does not truncate output]) +_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"], + [Sed that helps us avoid accidentally triggering echo(1) options like -n]) +])# _LT_DECL_SED + +m4_ifndef([AC_PROG_SED], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_SED. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ + +m4_defun([AC_PROG_SED], +[AC_MSG_CHECKING([for a sed that does not truncate output]) +AC_CACHE_VAL(lt_cv_path_SED, +[# Loop through the user's path and test for sed and gsed. +# Then use that list of sed's as ones to test for truncation. +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for lt_ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then + lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext" + fi + done + done +done +IFS=$as_save_IFS +lt_ac_max=0 +lt_ac_count=0 +# Add /usr/xpg4/bin/sed as it is typically found on Solaris +# along with /bin/sed that truncates output. +for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do + test ! -f $lt_ac_sed && continue + cat /dev/null > conftest.in + lt_ac_count=0 + echo $ECHO_N "0123456789$ECHO_C" >conftest.in + # Check for GNU sed and select it if it is found. + if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then + lt_cv_path_SED=$lt_ac_sed + break + fi + while true; do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo >>conftest.nl + $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break + cmp -s conftest.out conftest.nl || break + # 10000 chars as input seems more than enough + test $lt_ac_count -gt 10 && break + lt_ac_count=`expr $lt_ac_count + 1` + if test $lt_ac_count -gt $lt_ac_max; then + lt_ac_max=$lt_ac_count + lt_cv_path_SED=$lt_ac_sed + fi + done +done +]) +SED=$lt_cv_path_SED +AC_SUBST([SED]) +AC_MSG_RESULT([$SED]) +])#AC_PROG_SED +])#m4_ifndef + +# Old name: +AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_SED], []) + + +# _LT_CHECK_SHELL_FEATURES +# ------------------------ +# Find out whether the shell is Bourne or XSI compatible, +# or has some other useful features. +m4_defun([_LT_CHECK_SHELL_FEATURES], +[AC_MSG_CHECKING([whether the shell understands some XSI constructs]) +# Try some XSI features +xsi_shell=no +( _lt_dummy="a/b/c" + test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \ + = c,a/b,b/c, \ + && eval 'test $(( 1 + 1 )) -eq 2 \ + && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ + && xsi_shell=yes +AC_MSG_RESULT([$xsi_shell]) +_LT_CONFIG_LIBTOOL_INIT([xsi_shell='$xsi_shell']) + +AC_MSG_CHECKING([whether the shell understands "+="]) +lt_shell_append=no +( foo=bar; set foo baz; eval "$[1]+=\$[2]" && test "$foo" = barbaz ) \ + >/dev/null 2>&1 \ + && lt_shell_append=yes +AC_MSG_RESULT([$lt_shell_append]) +_LT_CONFIG_LIBTOOL_INIT([lt_shell_append='$lt_shell_append']) + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi +_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac +_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl +_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl +])# _LT_CHECK_SHELL_FEATURES + + +# _LT_PROG_FUNCTION_REPLACE (FUNCNAME, REPLACEMENT-BODY) +# ------------------------------------------------------ +# In `$cfgfile', look for function FUNCNAME delimited by `^FUNCNAME ()$' and +# '^} FUNCNAME ', and replace its body with REPLACEMENT-BODY. +m4_defun([_LT_PROG_FUNCTION_REPLACE], +[dnl { +sed -e '/^$1 ()$/,/^} # $1 /c\ +$1 ()\ +{\ +m4_bpatsubsts([$2], [$], [\\], [^\([ ]\)], [\\\1]) +} # Extended-shell $1 implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: +]) + + +# _LT_PROG_REPLACE_SHELLFNS +# ------------------------- +# Replace existing portable implementations of several shell functions with +# equivalent extended shell implementations where those features are available.. +m4_defun([_LT_PROG_REPLACE_SHELLFNS], +[if test x"$xsi_shell" = xyes; then + _LT_PROG_FUNCTION_REPLACE([func_dirname], [dnl + case ${1} in + */*) func_dirname_result="${1%/*}${2}" ;; + * ) func_dirname_result="${3}" ;; + esac]) + + _LT_PROG_FUNCTION_REPLACE([func_basename], [dnl + func_basename_result="${1##*/}"]) + + _LT_PROG_FUNCTION_REPLACE([func_dirname_and_basename], [dnl + case ${1} in + */*) func_dirname_result="${1%/*}${2}" ;; + * ) func_dirname_result="${3}" ;; + esac + func_basename_result="${1##*/}"]) + + _LT_PROG_FUNCTION_REPLACE([func_stripname], [dnl + # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are + # positional parameters, so assign one to ordinary parameter first. + func_stripname_result=${3} + func_stripname_result=${func_stripname_result#"${1}"} + func_stripname_result=${func_stripname_result%"${2}"}]) + + _LT_PROG_FUNCTION_REPLACE([func_split_long_opt], [dnl + func_split_long_opt_name=${1%%=*} + func_split_long_opt_arg=${1#*=}]) + + _LT_PROG_FUNCTION_REPLACE([func_split_short_opt], [dnl + func_split_short_opt_arg=${1#??} + func_split_short_opt_name=${1%"$func_split_short_opt_arg"}]) + + _LT_PROG_FUNCTION_REPLACE([func_lo2o], [dnl + case ${1} in + *.lo) func_lo2o_result=${1%.lo}.${objext} ;; + *) func_lo2o_result=${1} ;; + esac]) + + _LT_PROG_FUNCTION_REPLACE([func_xform], [ func_xform_result=${1%.*}.lo]) + + _LT_PROG_FUNCTION_REPLACE([func_arith], [ func_arith_result=$(( $[*] ))]) + + _LT_PROG_FUNCTION_REPLACE([func_len], [ func_len_result=${#1}]) +fi + +if test x"$lt_shell_append" = xyes; then + _LT_PROG_FUNCTION_REPLACE([func_append], [ eval "${1}+=\\${2}"]) + + _LT_PROG_FUNCTION_REPLACE([func_append_quoted], [dnl + func_quote_for_eval "${2}" +dnl m4 expansion turns \\\\ into \\, and then the shell eval turns that into \ + eval "${1}+=\\\\ \\$func_quote_for_eval_result"]) + + # Save a `func_append' function call where possible by direct use of '+=' + sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +else + # Save a `func_append' function call even when '+=' is not available + sed -e 's%func_append \([[a-zA-Z_]]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +fi + +if test x"$_lt_function_replace_fail" = x":"; then + AC_MSG_WARN([Unable to substitute extended shell functions in $ofile]) +fi +]) + +# _LT_PATH_CONVERSION_FUNCTIONS +# ----------------------------- +# Determine which file name conversion functions should be used by +# func_to_host_file (and, implicitly, by func_to_host_path). These are needed +# for certain cross-compile configurations and native mingw. +m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_MSG_CHECKING([how to convert $build file names to $host format]) +AC_CACHE_VAL(lt_cv_to_host_file_cmd, +[case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac +]) +to_host_file_cmd=$lt_cv_to_host_file_cmd +AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) +_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], + [0], [convert $build file names to $host format])dnl + +AC_MSG_CHECKING([how to convert $build file names to toolchain format]) +AC_CACHE_VAL(lt_cv_to_tool_file_cmd, +[#assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac +]) +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) +_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], + [0], [convert $build files to toolchain format])dnl +])# _LT_PATH_CONVERSION_FUNCTIONS diff --git a/build/autotools/ltoptions.m4 b/build/autotools/ltoptions.m4 new file mode 100644 index 0000000..5d9acd8 --- /dev/null +++ b/build/autotools/ltoptions.m4 @@ -0,0 +1,384 @@ +# Helper functions for option handling. -*- Autoconf -*- +# +# Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 7 ltoptions.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) + + +# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) +# ------------------------------------------ +m4_define([_LT_MANGLE_OPTION], +[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) + + +# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) +# --------------------------------------- +# Set option OPTION-NAME for macro MACRO-NAME, and if there is a +# matching handler defined, dispatch to it. Other OPTION-NAMEs are +# saved as a flag. +m4_define([_LT_SET_OPTION], +[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl +m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), + _LT_MANGLE_DEFUN([$1], [$2]), + [m4_warning([Unknown $1 option `$2'])])[]dnl +]) + + +# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) +# ------------------------------------------------------------ +# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. +m4_define([_LT_IF_OPTION], +[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) + + +# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) +# ------------------------------------------------------- +# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME +# are set. +m4_define([_LT_UNLESS_OPTIONS], +[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), + [m4_define([$0_found])])])[]dnl +m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 +])[]dnl +]) + + +# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) +# ---------------------------------------- +# OPTION-LIST is a space-separated list of Libtool options associated +# with MACRO-NAME. If any OPTION has a matching handler declared with +# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about +# the unknown option and exit. +m4_defun([_LT_SET_OPTIONS], +[# Set options +m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [_LT_SET_OPTION([$1], _LT_Option)]) + +m4_if([$1],[LT_INIT],[ + dnl + dnl Simply set some default values (i.e off) if boolean options were not + dnl specified: + _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no + ]) + _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no + ]) + dnl + dnl If no reference was made to various pairs of opposing options, then + dnl we run the default mode handler for the pair. For example, if neither + dnl `shared' nor `disable-shared' was passed, we enable building of shared + dnl archives by default: + _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) + _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], + [_LT_ENABLE_FAST_INSTALL]) + ]) +])# _LT_SET_OPTIONS + + +## --------------------------------- ## +## Macros to handle LT_INIT options. ## +## --------------------------------- ## + +# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) +# ----------------------------------------- +m4_define([_LT_MANGLE_DEFUN], +[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) + + +# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) +# ----------------------------------------------- +m4_define([LT_OPTION_DEFINE], +[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl +])# LT_OPTION_DEFINE + + +# dlopen +# ------ +LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes +]) + +AU_DEFUN([AC_LIBTOOL_DLOPEN], +[_LT_SET_OPTION([LT_INIT], [dlopen]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `dlopen' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) + + +# win32-dll +# --------- +# Declare package support for building win32 dll's. +LT_OPTION_DEFINE([LT_INIT], [win32-dll], +[enable_win32_dll=yes + +case $host in +*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) + AC_CHECK_TOOL(AS, as, false) + AC_CHECK_TOOL(DLLTOOL, dlltool, false) + AC_CHECK_TOOL(OBJDUMP, objdump, false) + ;; +esac + +test -z "$AS" && AS=as +_LT_DECL([], [AS], [1], [Assembler program])dnl + +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl + +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl +])# win32-dll + +AU_DEFUN([AC_LIBTOOL_WIN32_DLL], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +_LT_SET_OPTION([LT_INIT], [win32-dll]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `win32-dll' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) + + +# _LT_ENABLE_SHARED([DEFAULT]) +# ---------------------------- +# implement the --enable-shared flag, and supports the `shared' and +# `disable-shared' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_SHARED], +[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([shared], + [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], + [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) + + _LT_DECL([build_libtool_libs], [enable_shared], [0], + [Whether or not to build shared libraries]) +])# _LT_ENABLE_SHARED + +LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) +]) + +AC_DEFUN([AC_DISABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], [disable-shared]) +]) + +AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) +AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_SHARED], []) +dnl AC_DEFUN([AM_DISABLE_SHARED], []) + + + +# _LT_ENABLE_STATIC([DEFAULT]) +# ---------------------------- +# implement the --enable-static flag, and support the `static' and +# `disable-static' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_STATIC], +[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([static], + [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], + [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_static=]_LT_ENABLE_STATIC_DEFAULT) + + _LT_DECL([build_old_libs], [enable_static], [0], + [Whether or not to build static libraries]) +])# _LT_ENABLE_STATIC + +LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) +]) + +AC_DEFUN([AC_DISABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], [disable-static]) +]) + +AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) +AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_STATIC], []) +dnl AC_DEFUN([AM_DISABLE_STATIC], []) + + + +# _LT_ENABLE_FAST_INSTALL([DEFAULT]) +# ---------------------------------- +# implement the --enable-fast-install flag, and support the `fast-install' +# and `disable-fast-install' LT_INIT options. +# DEFAULT is either `yes' or `no'. If omitted, it defaults to `yes'. +m4_define([_LT_ENABLE_FAST_INSTALL], +[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([fast-install], + [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], + [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) + +_LT_DECL([fast_install], [enable_fast_install], [0], + [Whether or not to optimize for fast installation])dnl +])# _LT_ENABLE_FAST_INSTALL + +LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) + +# Old names: +AU_DEFUN([AC_ENABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the `fast-install' option into LT_INIT's first parameter.]) +]) + +AU_DEFUN([AC_DISABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], [disable-fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the `disable-fast-install' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) +dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) + + +# _LT_WITH_PIC([MODE]) +# -------------------- +# implement the --with-pic flag, and support the `pic-only' and `no-pic' +# LT_INIT options. +# MODE is either `yes' or `no'. If omitted, it defaults to `both'. +m4_define([_LT_WITH_PIC], +[AC_ARG_WITH([pic], + [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], + [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], + [lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for lt_pkg in $withval; do + IFS="$lt_save_ifs" + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac], + [pic_mode=default]) + +test -z "$pic_mode" && pic_mode=m4_default([$1], [default]) + +_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl +])# _LT_WITH_PIC + +LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) + +# Old name: +AU_DEFUN([AC_LIBTOOL_PICMODE], +[_LT_SET_OPTION([LT_INIT], [pic-only]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the `pic-only' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) + +## ----------------- ## +## LTDL_INIT Options ## +## ----------------- ## + +m4_define([_LTDL_MODE], []) +LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], + [m4_define([_LTDL_MODE], [nonrecursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [recursive], + [m4_define([_LTDL_MODE], [recursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [subproject], + [m4_define([_LTDL_MODE], [subproject])]) + +m4_define([_LTDL_TYPE], []) +LT_OPTION_DEFINE([LTDL_INIT], [installable], + [m4_define([_LTDL_TYPE], [installable])]) +LT_OPTION_DEFINE([LTDL_INIT], [convenience], + [m4_define([_LTDL_TYPE], [convenience])]) diff --git a/build/autotools/ltsugar.m4 b/build/autotools/ltsugar.m4 new file mode 100644 index 0000000..9000a05 --- /dev/null +++ b/build/autotools/ltsugar.m4 @@ -0,0 +1,123 @@ +# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- +# +# Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 6 ltsugar.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) + + +# lt_join(SEP, ARG1, [ARG2...]) +# ----------------------------- +# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their +# associated separator. +# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier +# versions in m4sugar had bugs. +m4_define([lt_join], +[m4_if([$#], [1], [], + [$#], [2], [[$2]], + [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) +m4_define([_lt_join], +[m4_if([$#$2], [2], [], + [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) + + +# lt_car(LIST) +# lt_cdr(LIST) +# ------------ +# Manipulate m4 lists. +# These macros are necessary as long as will still need to support +# Autoconf-2.59 which quotes differently. +m4_define([lt_car], [[$1]]) +m4_define([lt_cdr], +[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], + [$#], 1, [], + [m4_dquote(m4_shift($@))])]) +m4_define([lt_unquote], $1) + + +# lt_append(MACRO-NAME, STRING, [SEPARATOR]) +# ------------------------------------------ +# Redefine MACRO-NAME to hold its former content plus `SEPARATOR'`STRING'. +# Note that neither SEPARATOR nor STRING are expanded; they are appended +# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). +# No SEPARATOR is output if MACRO-NAME was previously undefined (different +# than defined and empty). +# +# This macro is needed until we can rely on Autoconf 2.62, since earlier +# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. +m4_define([lt_append], +[m4_define([$1], + m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) + + + +# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) +# ---------------------------------------------------------- +# Produce a SEP delimited list of all paired combinations of elements of +# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list +# has the form PREFIXmINFIXSUFFIXn. +# Needed until we can rely on m4_combine added in Autoconf 2.62. +m4_define([lt_combine], +[m4_if(m4_eval([$# > 3]), [1], + [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl +[[m4_foreach([_Lt_prefix], [$2], + [m4_foreach([_Lt_suffix], + ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, + [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) + + +# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) +# ----------------------------------------------------------------------- +# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited +# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. +m4_define([lt_if_append_uniq], +[m4_ifdef([$1], + [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], + [lt_append([$1], [$2], [$3])$4], + [$5])], + [lt_append([$1], [$2], [$3])$4])]) + + +# lt_dict_add(DICT, KEY, VALUE) +# ----------------------------- +m4_define([lt_dict_add], +[m4_define([$1($2)], [$3])]) + + +# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) +# -------------------------------------------- +m4_define([lt_dict_add_subkey], +[m4_define([$1($2:$3)], [$4])]) + + +# lt_dict_fetch(DICT, KEY, [SUBKEY]) +# ---------------------------------- +m4_define([lt_dict_fetch], +[m4_ifval([$3], + m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), + m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) + + +# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) +# ----------------------------------------------------------------- +m4_define([lt_if_dict_fetch], +[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], + [$5], + [$6])]) + + +# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) +# -------------------------------------------------------------- +m4_define([lt_dict_filter], +[m4_if([$5], [], [], + [lt_join(m4_quote(m4_default([$4], [[, ]])), + lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), + [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl +]) diff --git a/build/autotools/ltversion.m4 b/build/autotools/ltversion.m4 new file mode 100644 index 0000000..07a8602 --- /dev/null +++ b/build/autotools/ltversion.m4 @@ -0,0 +1,23 @@ +# ltversion.m4 -- version numbers -*- Autoconf -*- +# +# Copyright (C) 2004 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# @configure_input@ + +# serial 3337 ltversion.m4 +# This file is part of GNU Libtool + +m4_define([LT_PACKAGE_VERSION], [2.4.2]) +m4_define([LT_PACKAGE_REVISION], [1.3337]) + +AC_DEFUN([LTVERSION_VERSION], +[macro_version='2.4.2' +macro_revision='1.3337' +_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) +_LT_DECL(, macro_revision, 0) +]) diff --git a/build/autotools/lt~obsolete.m4 b/build/autotools/lt~obsolete.m4 new file mode 100644 index 0000000..c573da9 --- /dev/null +++ b/build/autotools/lt~obsolete.m4 @@ -0,0 +1,98 @@ +# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- +# +# Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004. +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 5 lt~obsolete.m4 + +# These exist entirely to fool aclocal when bootstrapping libtool. +# +# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN) +# which have later been changed to m4_define as they aren't part of the +# exported API, or moved to Autoconf or Automake where they belong. +# +# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN +# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us +# using a macro with the same name in our local m4/libtool.m4 it'll +# pull the old libtool.m4 in (it doesn't see our shiny new m4_define +# and doesn't know about Autoconf macros at all.) +# +# So we provide this file, which has a silly filename so it's always +# included after everything else. This provides aclocal with the +# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything +# because those macros already exist, or will be overwritten later. +# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. +# +# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. +# Yes, that means every name once taken will need to remain here until +# we give up compatibility with versions before 1.7, at which point +# we need to keep only those names which we still refer to. + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])]) + +m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])]) +m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])]) +m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])]) +m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])]) +m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])]) 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[AC_DEFUN([_LT_PROG_F77])]) +m4_ifndef([_LT_PROG_FC], [AC_DEFUN([_LT_PROG_FC])]) +m4_ifndef([_LT_PROG_CXX], [AC_DEFUN([_LT_PROG_CXX])]) diff --git a/build/autotools/nls.m4 b/build/autotools/nls.m4 new file mode 100644 index 0000000..7967cc2 --- /dev/null +++ b/build/autotools/nls.m4 @@ -0,0 +1,31 @@ +# nls.m4 serial 3 (gettext-0.15) +dnl Copyright (C) 1995-2003, 2005-2006 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper , 1995-2000. +dnl Bruno Haible , 2000-2003. + +AC_PREREQ(2.50) + +AC_DEFUN([AM_NLS], +[ + AC_MSG_CHECKING([whether NLS is requested]) + dnl Default is enabled NLS + AC_ARG_ENABLE(nls, + [ --disable-nls do not use Native Language Support], + USE_NLS=$enableval, USE_NLS=yes) + AC_MSG_RESULT($USE_NLS) + AC_SUBST(USE_NLS) +]) diff --git a/build/autotools/po.m4 b/build/autotools/po.m4 new file mode 100644 index 0000000..0734762 --- /dev/null +++ b/build/autotools/po.m4 @@ -0,0 +1,449 @@ +# po.m4 serial 15 (gettext-0.17) +dnl Copyright (C) 1995-2007 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper , 1995-2000. +dnl Bruno Haible , 2000-2003. + +AC_PREREQ(2.50) + +dnl Checks for all prerequisites of the po subdirectory. +AC_DEFUN([AM_PO_SUBDIRS], +[ + AC_REQUIRE([AC_PROG_MAKE_SET])dnl + AC_REQUIRE([AC_PROG_INSTALL])dnl + AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake + AC_REQUIRE([AM_NLS])dnl + + dnl Release version of the gettext macros. This is used to ensure that + dnl the gettext macros and po/Makefile.in.in are in sync. + AC_SUBST([GETTEXT_MACRO_VERSION], [0.17]) + + dnl Perform the following tests also if --disable-nls has been given, + dnl because they are needed for "make dist" to work. + + dnl Search for GNU msgfmt in the PATH. + dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions. + dnl The second test excludes FreeBSD msgfmt. + AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, + [$ac_dir/$ac_word --statistics /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 && + (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)], + :) + AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT) + + dnl Test whether it is GNU msgfmt >= 0.15. +changequote(,)dnl + case `$MSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) MSGFMT_015=: ;; + *) MSGFMT_015=$MSGFMT ;; + esac +changequote([,])dnl + AC_SUBST([MSGFMT_015]) +changequote(,)dnl + case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;; + *) GMSGFMT_015=$GMSGFMT ;; + esac +changequote([,])dnl + AC_SUBST([GMSGFMT_015]) + + dnl Search for GNU xgettext 0.12 or newer in the PATH. + dnl The first test excludes Solaris xgettext and early GNU xgettext versions. + dnl The second test excludes FreeBSD xgettext. + AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, + [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 && + (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)], + :) + dnl Remove leftover from FreeBSD xgettext call. + rm -f messages.po + + dnl Test whether it is GNU xgettext >= 0.15. +changequote(,)dnl + case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;; + *) XGETTEXT_015=$XGETTEXT ;; + esac +changequote([,])dnl + AC_SUBST([XGETTEXT_015]) + + dnl Search for GNU msgmerge 0.11 or newer in the PATH. + AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge, + [$ac_dir/$ac_word --update -q /dev/null /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1], :) + + dnl Installation directories. + dnl Autoconf >= 2.60 defines localedir. For older versions of autoconf, we + dnl have to define it here, so that it can be used in po/Makefile. + test -n "$localedir" || localedir='${datadir}/locale' + AC_SUBST([localedir]) + + dnl Support for AM_XGETTEXT_OPTION. + test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS= + AC_SUBST([XGETTEXT_EXTRA_OPTIONS]) + + AC_CONFIG_COMMANDS([po-directories], [[ + for ac_file in $CONFIG_FILES; do + # Support "outfile[:infile[:infile...]]" + case "$ac_file" in + *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + esac + # PO directories have a Makefile.in generated from Makefile.in.in. + case "$ac_file" in */Makefile.in) + # Adjust a relative srcdir. + ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` + ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`" + ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + case "$ac_given_srcdir" in + .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + # Treat a directory as a PO directory if and only if it has a + # POTFILES.in file. This allows packages to have multiple PO + # directories under different names or in different locations. + if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then + rm -f "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES" + cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES" + POMAKEFILEDEPS="POTFILES.in" + # ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend + # on $ac_dir but don't depend on user-specified configuration + # parameters. + if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then + # The LINGUAS file contains the set of available languages. + if test -n "$OBSOLETE_ALL_LINGUAS"; then + test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete" + fi + ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"` + # Hide the ALL_LINGUAS assigment from automake < 1.5. + eval 'ALL_LINGUAS''=$ALL_LINGUAS_' + POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS" + else + # The set of available languages was given in configure.in. + # Hide the ALL_LINGUAS assigment from automake < 1.5. + eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS' + fi + # Compute POFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po) + # Compute UPDATEPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).po-update) + # Compute DUMMYPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).nop) + # Compute GMOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo) + case "$ac_given_srcdir" in + .) srcdirpre= ;; + *) srcdirpre='$(srcdir)/' ;; + esac + POFILES= + UPDATEPOFILES= + DUMMYPOFILES= + GMOFILES= + for lang in $ALL_LINGUAS; do + POFILES="$POFILES $srcdirpre$lang.po" + UPDATEPOFILES="$UPDATEPOFILES $lang.po-update" + DUMMYPOFILES="$DUMMYPOFILES $lang.nop" + GMOFILES="$GMOFILES $srcdirpre$lang.gmo" + done + # CATALOGS depends on both $ac_dir and the user's LINGUAS + # environment variable. + INST_LINGUAS= + if test -n "$ALL_LINGUAS"; then + for presentlang in $ALL_LINGUAS; do + useit=no + if test "%UNSET%" != "$LINGUAS"; then + desiredlanguages="$LINGUAS" + else + desiredlanguages="$ALL_LINGUAS" + fi + for desiredlang in $desiredlanguages; do + # Use the presentlang catalog if desiredlang is + # a. equal to presentlang, or + # b. a variant of presentlang (because in this case, + # presentlang can be used as a fallback for messages + # which are not translated in the desiredlang catalog). + case "$desiredlang" in + "$presentlang"*) useit=yes;; + esac + done + if test $useit = yes; then + INST_LINGUAS="$INST_LINGUAS $presentlang" + fi + done + fi + CATALOGS= + if test -n "$INST_LINGUAS"; then + for lang in $INST_LINGUAS; do + CATALOGS="$CATALOGS $lang.gmo" + done + fi + test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile" + sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile" + for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do + if test -f "$f"; then + case "$f" in + *.orig | *.bak | *~) ;; + *) cat "$f" >> "$ac_dir/Makefile" ;; + esac + fi + done + fi + ;; + esac + done]], + [# Capture the value of obsolete ALL_LINGUAS because we need it to compute + # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS. But hide it + # from automake < 1.5. + eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"' + # Capture the value of LINGUAS because we need it to compute CATALOGS. + LINGUAS="${LINGUAS-%UNSET%}" + ]) +]) + +dnl Postprocesses a Makefile in a directory containing PO files. +AC_DEFUN([AM_POSTPROCESS_PO_MAKEFILE], +[ + # When this code is run, in config.status, two variables have already been + # set: + # - OBSOLETE_ALL_LINGUAS is the value of LINGUAS set in configure.in, + # - LINGUAS is the value of the environment variable LINGUAS at configure + # time. + +changequote(,)dnl + # Adjust a relative srcdir. + ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` + ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`" + ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + case "$ac_given_srcdir" in + .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + + # Find a way to echo strings without interpreting backslash. + if test "X`(echo '\t') 2>/dev/null`" = 'X\t'; then + gt_echo='echo' + else + if test "X`(printf '%s\n' '\t') 2>/dev/null`" = 'X\t'; then + gt_echo='printf %s\n' + else + echo_func () { + cat < "$ac_file.tmp" + if grep -l '@TCLCATALOGS@' "$ac_file" > /dev/null; then + # Add dependencies that cannot be formulated as a simple suffix rule. + for lang in $ALL_LINGUAS; do + frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'` + cat >> "$ac_file.tmp" < /dev/null; then + # Add dependencies that cannot be formulated as a simple suffix rule. + for lang in $ALL_LINGUAS; do + frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'` + cat >> "$ac_file.tmp" <> "$ac_file.tmp" <, 1996. + +AC_PREREQ(2.50) + +# Search path for a program which passes the given test. + +dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, +dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) +AC_DEFUN([AM_PATH_PROG_WITH_TEST], +[ +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "$2", so it can be a program name with args. +set dummy $2; ac_word=[$]2 +AC_MSG_CHECKING([for $ac_word]) +AC_CACHE_VAL(ac_cv_path_$1, +[case "[$]$1" in + [[\\/]]* | ?:[[\\/]]*) + ac_cv_path_$1="[$]$1" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in ifelse([$5], , $PATH, [$5]); do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + echo "$as_me: trying $ac_dir/$ac_word..." >&AS_MESSAGE_LOG_FD + if [$3]; then + ac_cv_path_$1="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" +dnl If no 4th arg is given, leave the cache variable unset, +dnl so AC_PATH_PROGS will keep looking. +ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4" +])dnl + ;; +esac])dnl +$1="$ac_cv_path_$1" +if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then + AC_MSG_RESULT([$]$1) +else + AC_MSG_RESULT(no) +fi +AC_SUBST($1)dnl +]) diff --git a/build/compile b/build/compile new file mode 100755 index 0000000..531136b --- /dev/null +++ b/build/compile @@ -0,0 +1,347 @@ +#! /bin/sh +# Wrapper for compilers which do not understand '-c -o'. + +scriptversion=2012-10-14.11; # UTC + +# Copyright (C) 1999-2013 Free Software Foundation, Inc. +# Written by Tom Tromey . +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +nl=' +' + +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent tools from complaining about whitespace usage. +IFS=" "" $nl" + +file_conv= + +# func_file_conv build_file lazy +# Convert a $build file to $host form and store it in $file +# Currently only supports Windows hosts. If the determined conversion +# type is listed in (the comma separated) LAZY, no conversion will +# take place. +func_file_conv () +{ + file=$1 + case $file in + / | /[!/]*) # absolute file, and not a UNC file + if test -z "$file_conv"; then + # lazily determine how to convert abs files + case `uname -s` in + MINGW*) + file_conv=mingw + ;; + CYGWIN*) + file_conv=cygwin + ;; + *) + file_conv=wine + ;; + esac + fi + case $file_conv/,$2, in + *,$file_conv,*) + ;; + mingw/*) + file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` + ;; + cygwin/*) + file=`cygpath -m "$file" || echo "$file"` + ;; + wine/*) + file=`winepath -w "$file" || echo "$file"` + ;; + esac + ;; + esac +} + +# func_cl_dashL linkdir +# Make cl look for libraries in LINKDIR +func_cl_dashL () +{ + func_file_conv "$1" + if test -z "$lib_path"; then + lib_path=$file + else + lib_path="$lib_path;$file" + fi + linker_opts="$linker_opts -LIBPATH:$file" +} + +# func_cl_dashl library +# Do a library search-path lookup for cl +func_cl_dashl () +{ + lib=$1 + found=no + save_IFS=$IFS + IFS=';' + for dir in $lib_path $LIB + do + IFS=$save_IFS + if $shared && test -f "$dir/$lib.dll.lib"; then + found=yes + lib=$dir/$lib.dll.lib + break + fi + if test -f "$dir/$lib.lib"; then + found=yes + lib=$dir/$lib.lib + break + fi + if test -f "$dir/lib$lib.a"; then + found=yes + lib=$dir/lib$lib.a + break + fi + done + IFS=$save_IFS + + if test "$found" != yes; then + lib=$lib.lib + fi +} + +# func_cl_wrapper cl arg... +# Adjust compile command to suit cl +func_cl_wrapper () +{ + # Assume a capable shell + lib_path= + shared=: + linker_opts= + for arg + do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + eat=1 + case $2 in + *.o | *.[oO][bB][jJ]) + func_file_conv "$2" + set x "$@" -Fo"$file" + shift + ;; + *) + func_file_conv "$2" + set x "$@" -Fe"$file" + shift + ;; + esac + ;; + -I) + eat=1 + func_file_conv "$2" mingw + set x "$@" -I"$file" + shift + ;; + -I*) + func_file_conv "${1#-I}" mingw + set x "$@" -I"$file" + shift + ;; + -l) + eat=1 + func_cl_dashl "$2" + set x "$@" "$lib" + shift + ;; + -l*) + func_cl_dashl "${1#-l}" + set x "$@" "$lib" + shift + ;; + -L) + eat=1 + func_cl_dashL "$2" + ;; + -L*) + func_cl_dashL "${1#-L}" + ;; + -static) + shared=false + ;; + -Wl,*) + arg=${1#-Wl,} + save_ifs="$IFS"; IFS=',' + for flag in $arg; do + IFS="$save_ifs" + linker_opts="$linker_opts $flag" + done + IFS="$save_ifs" + ;; + -Xlinker) + eat=1 + linker_opts="$linker_opts $2" + ;; + -*) + set x "$@" "$1" + shift + ;; + *.cc | *.CC | *.cxx | *.CXX | *.[cC]++) + func_file_conv "$1" + set x "$@" -Tp"$file" + shift + ;; + *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO]) + func_file_conv "$1" mingw + set x "$@" "$file" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift + done + if test -n "$linker_opts"; then + linker_opts="-link$linker_opts" + fi + exec "$@" $linker_opts + exit 1 +} + +eat= + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: compile [--help] [--version] PROGRAM [ARGS] + +Wrapper for compilers which do not understand '-c -o'. +Remove '-o dest.o' from ARGS, run PROGRAM with the remaining +arguments, and rename the output as expected. + +If you are trying to build a whole package this is not the +right script to run: please start by reading the file 'INSTALL'. + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "compile $scriptversion" + exit $? + ;; + cl | *[/\\]cl | cl.exe | *[/\\]cl.exe ) + func_cl_wrapper "$@" # Doesn't return... + ;; +esac + +ofile= +cfile= + +for arg +do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + # So we strip '-o arg' only if arg is an object. + eat=1 + case $2 in + *.o | *.obj) + ofile=$2 + ;; + *) + set x "$@" -o "$2" + shift + ;; + esac + ;; + *.c) + cfile=$1 + set x "$@" "$1" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift +done + +if test -z "$ofile" || test -z "$cfile"; then + # If no '-o' option was seen then we might have been invoked from a + # pattern rule where we don't need one. That is ok -- this is a + # normal compilation that the losing compiler can handle. If no + # '.c' file was seen then we are probably linking. That is also + # ok. + exec "$@" +fi + +# Name of file we expect compiler to create. +cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` + +# Create the lock directory. +# Note: use '[/\\:.-]' here to ensure that we don't use the same name +# that we are using for the .o file. Also, base the name on the expected +# object file name, since that is what matters with a parallel build. +lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d +while true; do + if mkdir "$lockdir" >/dev/null 2>&1; then + break + fi + sleep 1 +done +# FIXME: race condition here if user kills between mkdir and trap. +trap "rmdir '$lockdir'; exit 1" 1 2 15 + +# Run the compile. +"$@" +ret=$? + +if test -f "$cofile"; then + test "$cofile" = "$ofile" || mv "$cofile" "$ofile" +elif test -f "${cofile}bj"; then + test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" +fi + +rmdir "$lockdir" +exit $ret + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/build/config.guess b/build/config.guess new file mode 100755 index 0000000..9afd676 --- /dev/null +++ b/build/config.guess @@ -0,0 +1,1568 @@ +#! /bin/sh +# Attempt to guess a canonical system name. +# Copyright 1992-2013 Free Software Foundation, Inc. + +timestamp='2013-11-29' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). +# +# Originally written by Per Bothner. +# +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD +# +# Please send patches with a ChangeLog entry to config-patches@gnu.org. + + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] + +Output the configuration name of the system \`$me' is run on. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.guess ($timestamp) + +Originally written by Per Bothner. +Copyright 1992-2013 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" >&2 + exit 1 ;; + * ) + break ;; + esac +done + +if test $# != 0; then + echo "$me: too many arguments$help" >&2 + exit 1 +fi + +trap 'exit 1' 1 2 15 + +# CC_FOR_BUILD -- compiler used by this script. Note that the use of a +# compiler to aid in system detection is discouraged as it requires +# temporary files to be created and, as you can see below, it is a +# headache to deal with in a portable fashion. + +# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still +# use `HOST_CC' if defined, but it is deprecated. + +# Portable tmp directory creation inspired by the Autoconf team. + +set_cc_for_build=' +trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ; +trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ; +: ${TMPDIR=/tmp} ; + { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || + { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } || + { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } || + { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ; +dummy=$tmp/dummy ; +tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ; +case $CC_FOR_BUILD,$HOST_CC,$CC in + ,,) echo "int x;" > $dummy.c ; + for c in cc gcc c89 c99 ; do + if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then + CC_FOR_BUILD="$c"; break ; + fi ; + done ; + if test x"$CC_FOR_BUILD" = x ; then + CC_FOR_BUILD=no_compiler_found ; + fi + ;; + ,,*) CC_FOR_BUILD=$CC ;; + ,*,*) CC_FOR_BUILD=$HOST_CC ;; +esac ; set_cc_for_build= ;' + +# This is needed to find uname on a Pyramid OSx when run in the BSD universe. +# (ghazi@noc.rutgers.edu 1994-08-24) +if (test -f /.attbin/uname) >/dev/null 2>&1 ; then + PATH=$PATH:/.attbin ; export PATH +fi + +UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown +UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown +UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown +UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown + +case "${UNAME_SYSTEM}" in +Linux|GNU|GNU/*) + # If the system lacks a compiler, then just pick glibc. + # We could probably try harder. + LIBC=gnu + + eval $set_cc_for_build + cat <<-EOF > $dummy.c + #include + #if defined(__UCLIBC__) + LIBC=uclibc + #elif defined(__dietlibc__) + LIBC=dietlibc + #else + LIBC=gnu + #endif + EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` + ;; +esac + +# Note: order is significant - the case branches are not exclusive. + +case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in + *:NetBSD:*:*) + # NetBSD (nbsd) targets should (where applicable) match one or + # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*, + # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently + # switched to ELF, *-*-netbsd* would select the old + # object file format. This provides both forward + # compatibility and a consistent mechanism for selecting the + # object file format. + # + # Note: NetBSD doesn't particularly care about the vendor + # portion of the name. We always set it to "unknown". + sysctl="sysctl -n hw.machine_arch" + UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \ + /usr/sbin/$sysctl 2>/dev/null || echo unknown)` + case "${UNAME_MACHINE_ARCH}" in + armeb) machine=armeb-unknown ;; + arm*) machine=arm-unknown ;; + sh3el) machine=shl-unknown ;; + sh3eb) machine=sh-unknown ;; + sh5el) machine=sh5le-unknown ;; + *) machine=${UNAME_MACHINE_ARCH}-unknown ;; + esac + # The Operating System including object format, if it has switched + # to ELF recently, or will in the future. + case "${UNAME_MACHINE_ARCH}" in + arm*|i386|m68k|ns32k|sh3*|sparc|vax) + eval $set_cc_for_build + if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ELF__ + then + # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). + # Return netbsd for either. FIX? + os=netbsd + else + os=netbsdelf + fi + ;; + *) + os=netbsd + ;; + esac + # The OS release + # Debian GNU/NetBSD machines have a different userland, and + # thus, need a distinct triplet. However, they do not need + # kernel version information, so it can be replaced with a + # suitable tag, in the style of linux-gnu. + case "${UNAME_VERSION}" in + Debian*) + release='-gnu' + ;; + *) + release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'` + ;; + esac + # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM: + # contains redundant information, the shorter form: + # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used. + echo "${machine}-${os}${release}" + exit ;; + *:Bitrig:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE} + exit ;; + *:OpenBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE} + exit ;; + *:ekkoBSD:*:*) + echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE} + exit ;; + *:SolidBSD:*:*) + echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE} + exit ;; + macppc:MirBSD:*:*) + echo powerpc-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:MirBSD:*:*) + echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE} + exit ;; + alpha:OSF1:*:*) + case $UNAME_RELEASE in + *4.0) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` + ;; + *5.*) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` + ;; + esac + # According to Compaq, /usr/sbin/psrinfo has been available on + # OSF/1 and Tru64 systems produced since 1995. I hope that + # covers most systems running today. This code pipes the CPU + # types through head -n 1, so we only detect the type of CPU 0. + ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` + case "$ALPHA_CPU_TYPE" in + "EV4 (21064)") + UNAME_MACHINE="alpha" ;; + "EV4.5 (21064)") + UNAME_MACHINE="alpha" ;; + "LCA4 (21066/21068)") + UNAME_MACHINE="alpha" ;; + "EV5 (21164)") + UNAME_MACHINE="alphaev5" ;; + "EV5.6 (21164A)") + UNAME_MACHINE="alphaev56" ;; + "EV5.6 (21164PC)") + UNAME_MACHINE="alphapca56" ;; + "EV5.7 (21164PC)") + UNAME_MACHINE="alphapca57" ;; + "EV6 (21264)") + UNAME_MACHINE="alphaev6" ;; + "EV6.7 (21264A)") + UNAME_MACHINE="alphaev67" ;; + "EV6.8CB (21264C)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8AL (21264B)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8CX (21264D)") + UNAME_MACHINE="alphaev68" ;; + "EV6.9A (21264/EV69A)") + UNAME_MACHINE="alphaev69" ;; + "EV7 (21364)") + UNAME_MACHINE="alphaev7" ;; + "EV7.9 (21364A)") + UNAME_MACHINE="alphaev79" ;; + esac + # A Pn.n version is a patched version. + # A Vn.n version is a released version. + # A Tn.n version is a released field test version. + # A Xn.n version is an unreleased experimental baselevel. + # 1.2 uses "1.2" for uname -r. + echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + # Reset EXIT trap before exiting to avoid spurious non-zero exit code. + exitcode=$? + trap '' 0 + exit $exitcode ;; + Alpha\ *:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # Should we change UNAME_MACHINE based on the output of uname instead + # of the specific Alpha model? + echo alpha-pc-interix + exit ;; + 21064:Windows_NT:50:3) + echo alpha-dec-winnt3.5 + exit ;; + Amiga*:UNIX_System_V:4.0:*) + echo m68k-unknown-sysv4 + exit ;; + *:[Aa]miga[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-amigaos + exit ;; + *:[Mm]orph[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-morphos + exit ;; + *:OS/390:*:*) + echo i370-ibm-openedition + exit ;; + *:z/VM:*:*) + echo s390-ibm-zvmoe + exit ;; + *:OS400:*:*) + echo powerpc-ibm-os400 + exit ;; + arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) + echo arm-acorn-riscix${UNAME_RELEASE} + exit ;; + arm*:riscos:*:*|arm*:RISCOS:*:*) + echo arm-unknown-riscos + exit ;; + SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) + echo hppa1.1-hitachi-hiuxmpp + exit ;; + Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) + # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. + if test "`(/bin/universe) 2>/dev/null`" = att ; then + echo pyramid-pyramid-sysv3 + else + echo pyramid-pyramid-bsd + fi + exit ;; + NILE*:*:*:dcosx) + echo pyramid-pyramid-svr4 + exit ;; + DRS?6000:unix:4.0:6*) + echo sparc-icl-nx6 + exit ;; + DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) + case `/usr/bin/uname -p` in + sparc) echo sparc-icl-nx7; exit ;; + esac ;; + s390x:SunOS:*:*) + echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4H:SunOS:5.*:*) + echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) + echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) + echo i386-pc-auroraux${UNAME_RELEASE} + exit ;; + i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) + eval $set_cc_for_build + SUN_ARCH="i386" + # If there is a compiler, see if it is configured for 64-bit objects. + # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. + # This test works for both compilers. + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + SUN_ARCH="x86_64" + fi + fi + echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:6*:*) + # According to config.sub, this is the proper way to canonicalize + # SunOS6. Hard to guess exactly what SunOS6 will be like, but + # it's likely to be more like Solaris than SunOS4. + echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:*:*) + case "`/usr/bin/arch -k`" in + Series*|S4*) + UNAME_RELEASE=`uname -v` + ;; + esac + # Japanese Language versions have a version number like `4.1.3-JL'. + echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` + exit ;; + sun3*:SunOS:*:*) + echo m68k-sun-sunos${UNAME_RELEASE} + exit ;; + sun*:*:4.2BSD:*) + UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` + test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 + case "`/bin/arch`" in + sun3) + echo m68k-sun-sunos${UNAME_RELEASE} + ;; + sun4) + echo sparc-sun-sunos${UNAME_RELEASE} + ;; + esac + exit ;; + aushp:SunOS:*:*) + echo sparc-auspex-sunos${UNAME_RELEASE} + exit ;; + # The situation for MiNT is a little confusing. The machine name + # can be virtually everything (everything which is not + # "atarist" or "atariste" at least should have a processor + # > m68000). The system name ranges from "MiNT" over "FreeMiNT" + # to the lowercase version "mint" (or "freemint"). Finally + # the system name "TOS" denotes a system which is actually not + # MiNT. But MiNT is downward compatible to TOS, so this should + # be no problem. + atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) + echo m68k-milan-mint${UNAME_RELEASE} + exit ;; + hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) + echo m68k-hades-mint${UNAME_RELEASE} + exit ;; + *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) + echo m68k-unknown-mint${UNAME_RELEASE} + exit ;; + m68k:machten:*:*) + echo m68k-apple-machten${UNAME_RELEASE} + exit ;; + powerpc:machten:*:*) + echo powerpc-apple-machten${UNAME_RELEASE} + exit ;; + RISC*:Mach:*:*) + echo mips-dec-mach_bsd4.3 + exit ;; + RISC*:ULTRIX:*:*) + echo mips-dec-ultrix${UNAME_RELEASE} + exit ;; + VAX*:ULTRIX*:*:*) + echo vax-dec-ultrix${UNAME_RELEASE} + exit ;; + 2020:CLIX:*:* | 2430:CLIX:*:*) + echo clipper-intergraph-clix${UNAME_RELEASE} + exit ;; + mips:*:*:UMIPS | mips:*:*:RISCos) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c +#ifdef __cplusplus +#include /* for printf() prototype */ + int main (int argc, char *argv[]) { +#else + int main (argc, argv) int argc; char *argv[]; { +#endif + #if defined (host_mips) && defined (MIPSEB) + #if defined (SYSTYPE_SYSV) + printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_SVR4) + printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) + printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); + #endif + #endif + exit (-1); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && + dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && + SYSTEM_NAME=`$dummy $dummyarg` && + { echo "$SYSTEM_NAME"; exit; } + echo mips-mips-riscos${UNAME_RELEASE} + exit ;; + Motorola:PowerMAX_OS:*:*) + echo powerpc-motorola-powermax + exit ;; + Motorola:*:4.3:PL8-*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:Power_UNIX:*:*) + echo powerpc-harris-powerunix + exit ;; + m88k:CX/UX:7*:*) + echo m88k-harris-cxux7 + exit ;; + m88k:*:4*:R4*) + echo m88k-motorola-sysv4 + exit ;; + m88k:*:3*:R3*) + echo m88k-motorola-sysv3 + exit ;; + AViiON:dgux:*:*) + # DG/UX returns AViiON for all architectures + UNAME_PROCESSOR=`/usr/bin/uname -p` + if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] + then + if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ + [ ${TARGET_BINARY_INTERFACE}x = x ] + then + echo m88k-dg-dgux${UNAME_RELEASE} + else + echo m88k-dg-dguxbcs${UNAME_RELEASE} + fi + else + echo i586-dg-dgux${UNAME_RELEASE} + fi + exit ;; + M88*:DolphinOS:*:*) # DolphinOS (SVR3) + echo m88k-dolphin-sysv3 + exit ;; + M88*:*:R3*:*) + # Delta 88k system running SVR3 + echo m88k-motorola-sysv3 + exit ;; + XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) + echo m88k-tektronix-sysv3 + exit ;; + Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) + echo m68k-tektronix-bsd + exit ;; + *:IRIX*:*:*) + echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` + exit ;; + ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. + echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id + exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' + i*86:AIX:*:*) + echo i386-ibm-aix + exit ;; + ia64:AIX:*:*) + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} + exit ;; + *:AIX:2:3) + if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + + main() + { + if (!__power_pc()) + exit(1); + puts("powerpc-ibm-aix3.2.5"); + exit(0); + } +EOF + if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` + then + echo "$SYSTEM_NAME" + else + echo rs6000-ibm-aix3.2.5 + fi + elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then + echo rs6000-ibm-aix3.2.4 + else + echo rs6000-ibm-aix3.2 + fi + exit ;; + *:AIX:*:[4567]) + IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` + if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then + IBM_ARCH=rs6000 + else + IBM_ARCH=powerpc + fi + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${IBM_ARCH}-ibm-aix${IBM_REV} + exit ;; + *:AIX:*:*) + echo rs6000-ibm-aix + exit ;; + ibmrt:4.4BSD:*|romp-ibm:BSD:*) + echo romp-ibm-bsd4.4 + exit ;; + ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and + echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to + exit ;; # report: romp-ibm BSD 4.3 + *:BOSX:*:*) + echo rs6000-bull-bosx + exit ;; + DPX/2?00:B.O.S.:*:*) + echo m68k-bull-sysv3 + exit ;; + 9000/[34]??:4.3bsd:1.*:*) + echo m68k-hp-bsd + exit ;; + hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) + echo m68k-hp-bsd4.4 + exit ;; + 9000/[34678]??:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + case "${UNAME_MACHINE}" in + 9000/31? ) HP_ARCH=m68000 ;; + 9000/[34]?? ) HP_ARCH=m68k ;; + 9000/[678][0-9][0-9]) + if [ -x /usr/bin/getconf ]; then + sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` + sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` + case "${sc_cpu_version}" in + 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 + 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 + 532) # CPU_PA_RISC2_0 + case "${sc_kernel_bits}" in + 32) HP_ARCH="hppa2.0n" ;; + 64) HP_ARCH="hppa2.0w" ;; + '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 + esac ;; + esac + fi + if [ "${HP_ARCH}" = "" ]; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + + #define _HPUX_SOURCE + #include + #include + + int main () + { + #if defined(_SC_KERNEL_BITS) + long bits = sysconf(_SC_KERNEL_BITS); + #endif + long cpu = sysconf (_SC_CPU_VERSION); + + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1"); break; + case CPU_PA_RISC2_0: + #if defined(_SC_KERNEL_BITS) + switch (bits) + { + case 64: puts ("hppa2.0w"); break; + case 32: puts ("hppa2.0n"); break; + default: puts ("hppa2.0"); break; + } break; + #else /* !defined(_SC_KERNEL_BITS) */ + puts ("hppa2.0"); break; + #endif + default: puts ("hppa1.0"); break; + } + exit (0); + } +EOF + (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` + test -z "$HP_ARCH" && HP_ARCH=hppa + fi ;; + esac + if [ ${HP_ARCH} = "hppa2.0w" ] + then + eval $set_cc_for_build + + # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating + # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler + # generating 64-bit code. GNU and HP use different nomenclature: + # + # $ CC_FOR_BUILD=cc ./config.guess + # => hppa2.0w-hp-hpux11.23 + # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess + # => hppa64-hp-hpux11.23 + + if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | + grep -q __LP64__ + then + HP_ARCH="hppa2.0w" + else + HP_ARCH="hppa64" + fi + fi + echo ${HP_ARCH}-hp-hpux${HPUX_REV} + exit ;; + ia64:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + echo ia64-hp-hpux${HPUX_REV} + exit ;; + 3050*:HI-UX:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + int + main () + { + long cpu = sysconf (_SC_CPU_VERSION); + /* The order matters, because CPU_IS_HP_MC68K erroneously returns + true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct + results, however. */ + if (CPU_IS_PA_RISC (cpu)) + { + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; + case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; + default: puts ("hppa-hitachi-hiuxwe2"); break; + } + } + else if (CPU_IS_HP_MC68K (cpu)) + puts ("m68k-hitachi-hiuxwe2"); + else puts ("unknown-hitachi-hiuxwe2"); + exit (0); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + echo unknown-hitachi-hiuxwe2 + exit ;; + 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) + echo hppa1.1-hp-bsd + exit ;; + 9000/8??:4.3bsd:*:*) + echo hppa1.0-hp-bsd + exit ;; + *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) + echo hppa1.0-hp-mpeix + exit ;; + hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) + echo hppa1.1-hp-osf + exit ;; + hp8??:OSF1:*:*) + echo hppa1.0-hp-osf + exit ;; + i*86:OSF1:*:*) + if [ -x /usr/sbin/sysversion ] ; then + echo ${UNAME_MACHINE}-unknown-osf1mk + else + echo ${UNAME_MACHINE}-unknown-osf1 + fi + exit ;; + parisc*:Lites*:*:*) + echo hppa1.1-hp-lites + exit ;; + C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) + echo c1-convex-bsd + exit ;; + C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) + echo c34-convex-bsd + exit ;; + C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) + echo c38-convex-bsd + exit ;; + C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) + echo c4-convex-bsd + exit ;; + CRAY*Y-MP:*:*:*) + echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*[A-Z]90:*:*:*) + echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ + | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ + -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ + -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*TS:*:*:*) + echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*T3E:*:*:*) + echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*SV1:*:*:*) + echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + *:UNICOS/mp:*:*) + echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) + FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` + echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + 5000:UNIX_System_V:4.*:*) + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` + echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) + echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} + exit ;; + sparc*:BSD/OS:*:*) + echo sparc-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:BSD/OS:*:*) + echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:FreeBSD:*:*) + UNAME_PROCESSOR=`/usr/bin/uname -p` + case ${UNAME_PROCESSOR} in + amd64) + echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + *) + echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + esac + exit ;; + i*:CYGWIN*:*) + echo ${UNAME_MACHINE}-pc-cygwin + exit ;; + *:MINGW64*:*) + echo ${UNAME_MACHINE}-pc-mingw64 + exit ;; + *:MINGW*:*) + echo ${UNAME_MACHINE}-pc-mingw32 + exit ;; + i*:MSYS*:*) + echo ${UNAME_MACHINE}-pc-msys + exit ;; + i*:windows32*:*) + # uname -m includes "-pc" on this system. + echo ${UNAME_MACHINE}-mingw32 + exit ;; + i*:PW*:*) + echo ${UNAME_MACHINE}-pc-pw32 + exit ;; + *:Interix*:*) + case ${UNAME_MACHINE} in + x86) + echo i586-pc-interix${UNAME_RELEASE} + exit ;; + authenticamd | genuineintel | EM64T) + echo x86_64-unknown-interix${UNAME_RELEASE} + exit ;; + IA64) + echo ia64-unknown-interix${UNAME_RELEASE} + exit ;; + esac ;; + [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) + echo i${UNAME_MACHINE}-pc-mks + exit ;; + 8664:Windows_NT:*) + echo x86_64-pc-mks + exit ;; + i*:Windows_NT*:* | Pentium*:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we + # UNAME_MACHINE based on the output of uname instead of i386? + echo i586-pc-interix + exit ;; + i*:UWIN*:*) + echo ${UNAME_MACHINE}-pc-uwin + exit ;; + amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) + echo x86_64-unknown-cygwin + exit ;; + p*:CYGWIN*:*) + echo powerpcle-unknown-cygwin + exit ;; + prep*:SunOS:5.*:*) + echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + *:GNU:*:*) + # the GNU system + echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` + exit ;; + *:GNU/*:*:*) + # other systems with GNU libc and userland + echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC} + exit ;; + i*86:Minix:*:*) + echo ${UNAME_MACHINE}-pc-minix + exit ;; + aarch64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + aarch64_be:Linux:*:*) + UNAME_MACHINE=aarch64_be + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + alpha:Linux:*:*) + case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in + EV5) UNAME_MACHINE=alphaev5 ;; + EV56) UNAME_MACHINE=alphaev56 ;; + PCA56) UNAME_MACHINE=alphapca56 ;; + PCA57) UNAME_MACHINE=alphapca56 ;; + EV6) UNAME_MACHINE=alphaev6 ;; + EV67) UNAME_MACHINE=alphaev67 ;; + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 + if test "$?" = 0 ; then LIBC="gnulibc1" ; fi + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arc:Linux:*:* | arceb:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arm*:Linux:*:*) + eval $set_cc_for_build + if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_EABI__ + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + else + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi + else + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf + fi + fi + exit ;; + avr32*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + cris:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + crisv32:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + frv:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + hexagon:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:Linux:*:*) + echo ${UNAME_MACHINE}-pc-linux-${LIBC} + exit ;; + ia64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m32r*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m68*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + mips:Linux:*:* | mips64:Linux:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #undef CPU + #undef ${UNAME_MACHINE} + #undef ${UNAME_MACHINE}el + #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) + CPU=${UNAME_MACHINE}el + #else + #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) + CPU=${UNAME_MACHINE} + #else + CPU= + #endif + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` + test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; } + ;; + or1k:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + or32:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + padre:Linux:*:*) + echo sparc-unknown-linux-${LIBC} + exit ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) + echo hppa64-unknown-linux-${LIBC} + exit ;; + parisc:Linux:*:* | hppa:Linux:*:*) + # Look for CPU level + case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in + PA7*) echo hppa1.1-unknown-linux-${LIBC} ;; + PA8*) echo hppa2.0-unknown-linux-${LIBC} ;; + *) echo hppa-unknown-linux-${LIBC} ;; + esac + exit ;; + ppc64:Linux:*:*) + echo powerpc64-unknown-linux-${LIBC} + exit ;; + ppc:Linux:*:*) + echo powerpc-unknown-linux-${LIBC} + exit ;; + ppc64le:Linux:*:*) + echo powerpc64le-unknown-linux-${LIBC} + exit ;; + ppcle:Linux:*:*) + echo powerpcle-unknown-linux-${LIBC} + exit ;; + s390:Linux:*:* | s390x:Linux:*:*) + echo ${UNAME_MACHINE}-ibm-linux-${LIBC} + exit ;; + sh64*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sh*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sparc:Linux:*:* | sparc64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + tile*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + vax:Linux:*:*) + echo ${UNAME_MACHINE}-dec-linux-${LIBC} + exit ;; + x86_64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + xtensa*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:DYNIX/ptx:4*:*) + # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. + # earlier versions are messed up and put the nodename in both + # sysname and nodename. + echo i386-sequent-sysv4 + exit ;; + i*86:UNIX_SV:4.2MP:2.*) + # Unixware is an offshoot of SVR4, but it has its own version + # number series starting with 2... + # I am not positive that other SVR4 systems won't match this, + # I just have to hope. -- rms. + # Use sysv4.2uw... so that sysv4* matches it. + echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} + exit ;; + i*86:OS/2:*:*) + # If we were able to find `uname', then EMX Unix compatibility + # is probably installed. + echo ${UNAME_MACHINE}-pc-os2-emx + exit ;; + i*86:XTS-300:*:STOP) + echo ${UNAME_MACHINE}-unknown-stop + exit ;; + i*86:atheos:*:*) + echo ${UNAME_MACHINE}-unknown-atheos + exit ;; + i*86:syllable:*:*) + echo ${UNAME_MACHINE}-pc-syllable + exit ;; + i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) + echo i386-unknown-lynxos${UNAME_RELEASE} + exit ;; + i*86:*DOS:*:*) + echo ${UNAME_MACHINE}-pc-msdosdjgpp + exit ;; + i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) + UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` + if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then + echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} + else + echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} + fi + exit ;; + i*86:*:5:[678]*) + # UnixWare 7.x, OpenUNIX and OpenServer 6. + case `/bin/uname -X | grep "^Machine"` in + *486*) UNAME_MACHINE=i486 ;; + *Pentium) UNAME_MACHINE=i586 ;; + *Pent*|*Celeron) UNAME_MACHINE=i686 ;; + esac + echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} + exit ;; + i*86:*:3.2:*) + if test -f /usr/options/cb.name; then + UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then + UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` + (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 + (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ + && UNAME_MACHINE=i586 + (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ + && UNAME_MACHINE=i686 + (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ + && UNAME_MACHINE=i686 + echo ${UNAME_MACHINE}-pc-sco$UNAME_REL + else + echo ${UNAME_MACHINE}-pc-sysv32 + fi + exit ;; + pc:*:*:*) + # Left here for compatibility: + # uname -m prints for DJGPP always 'pc', but it prints nothing about + # the processor, so we play safe by assuming i586. + # Note: whatever this is, it MUST be the same as what config.sub + # prints for the "djgpp" host, or else GDB configury will decide that + # this is a cross-build. + echo i586-pc-msdosdjgpp + exit ;; + Intel:Mach:3*:*) + echo i386-pc-mach3 + exit ;; + paragon:*:*:*) + echo i860-intel-osf1 + exit ;; + i860:*:4.*:*) # i860-SVR4 + if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then + echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 + else # Add other i860-SVR4 vendors below as they are discovered. + echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 + fi + exit ;; + mini*:CTIX:SYS*5:*) + # "miniframe" + echo m68010-convergent-sysv + exit ;; + mc68k:UNIX:SYSTEM5:3.51m) + echo m68k-convergent-sysv + exit ;; + M680?0:D-NIX:5.3:*) + echo m68k-diab-dnix + exit ;; + M68*:*:R3V[5678]*:*) + test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; + 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) + OS_REL='' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4; exit; } ;; + NCR*:*:4.2:* | MPRAS*:*:4.2:*) + OS_REL='.3' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) + echo m68k-unknown-lynxos${UNAME_RELEASE} + exit ;; + mc68030:UNIX_System_V:4.*:*) + echo m68k-atari-sysv4 + exit ;; + TSUNAMI:LynxOS:2.*:*) + echo sparc-unknown-lynxos${UNAME_RELEASE} + exit ;; + rs6000:LynxOS:2.*:*) + echo rs6000-unknown-lynxos${UNAME_RELEASE} + exit ;; + PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) + echo powerpc-unknown-lynxos${UNAME_RELEASE} + exit ;; + SM[BE]S:UNIX_SV:*:*) + echo mips-dde-sysv${UNAME_RELEASE} + exit ;; + RM*:ReliantUNIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + RM*:SINIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + *:SINIX-*:*:*) + if uname -p 2>/dev/null >/dev/null ; then + UNAME_MACHINE=`(uname -p) 2>/dev/null` + echo ${UNAME_MACHINE}-sni-sysv4 + else + echo ns32k-sni-sysv + fi + exit ;; + PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort + # says + echo i586-unisys-sysv4 + exit ;; + *:UNIX_System_V:4*:FTX*) + # From Gerald Hewes . + # How about differentiating between stratus architectures? -djm + echo hppa1.1-stratus-sysv4 + exit ;; + *:*:*:FTX*) + # From seanf@swdc.stratus.com. + echo i860-stratus-sysv4 + exit ;; + i*86:VOS:*:*) + # From Paul.Green@stratus.com. + echo ${UNAME_MACHINE}-stratus-vos + exit ;; + *:VOS:*:*) + # From Paul.Green@stratus.com. + echo hppa1.1-stratus-vos + exit ;; + mc68*:A/UX:*:*) + echo m68k-apple-aux${UNAME_RELEASE} + exit ;; + news*:NEWS-OS:6*:*) + echo mips-sony-newsos6 + exit ;; + R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) + if [ -d /usr/nec ]; then + echo mips-nec-sysv${UNAME_RELEASE} + else + echo mips-unknown-sysv${UNAME_RELEASE} + fi + exit ;; + BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. + echo powerpc-be-beos + exit ;; + BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. + echo powerpc-apple-beos + exit ;; + BePC:BeOS:*:*) # BeOS running on Intel PC compatible. + echo i586-pc-beos + exit ;; + BePC:Haiku:*:*) # Haiku running on Intel PC compatible. + echo i586-pc-haiku + exit ;; + x86_64:Haiku:*:*) + echo x86_64-unknown-haiku + exit ;; + SX-4:SUPER-UX:*:*) + echo sx4-nec-superux${UNAME_RELEASE} + exit ;; + SX-5:SUPER-UX:*:*) + echo sx5-nec-superux${UNAME_RELEASE} + exit ;; + SX-6:SUPER-UX:*:*) + echo sx6-nec-superux${UNAME_RELEASE} + exit ;; + SX-7:SUPER-UX:*:*) + echo sx7-nec-superux${UNAME_RELEASE} + exit ;; + SX-8:SUPER-UX:*:*) + echo sx8-nec-superux${UNAME_RELEASE} + exit ;; + SX-8R:SUPER-UX:*:*) + echo sx8r-nec-superux${UNAME_RELEASE} + exit ;; + Power*:Rhapsody:*:*) + echo powerpc-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Rhapsody:*:*) + echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Darwin:*:*) + UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown + eval $set_cc_for_build + if test "$UNAME_PROCESSOR" = unknown ; then + UNAME_PROCESSOR=powerpc + fi + if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + case $UNAME_PROCESSOR in + i386) UNAME_PROCESSOR=x86_64 ;; + powerpc) UNAME_PROCESSOR=powerpc64 ;; + esac + fi + fi + elif test "$UNAME_PROCESSOR" = i386 ; then + # Avoid executing cc on OS X 10.9, as it ships with a stub + # that puts up a graphical alert prompting to install + # developer tools. Any system running Mac OS X 10.7 or + # later (Darwin 11 and later) is required to have a 64-bit + # processor. This is not true of the ARM version of Darwin + # that Apple uses in portable devices. + UNAME_PROCESSOR=x86_64 + fi + echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} + exit ;; + *:procnto*:*:* | *:QNX:[0123456789]*:*) + UNAME_PROCESSOR=`uname -p` + if test "$UNAME_PROCESSOR" = "x86"; then + UNAME_PROCESSOR=i386 + UNAME_MACHINE=pc + fi + echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} + exit ;; + *:QNX:*:4*) + echo i386-pc-qnx + exit ;; + NEO-?:NONSTOP_KERNEL:*:*) + echo neo-tandem-nsk${UNAME_RELEASE} + exit ;; + NSE-*:NONSTOP_KERNEL:*:*) + echo nse-tandem-nsk${UNAME_RELEASE} + exit ;; + NSR-?:NONSTOP_KERNEL:*:*) + echo nsr-tandem-nsk${UNAME_RELEASE} + exit ;; + *:NonStop-UX:*:*) + echo mips-compaq-nonstopux + exit ;; + BS2000:POSIX*:*:*) + echo bs2000-siemens-sysv + exit ;; + DS/*:UNIX_System_V:*:*) + echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} + exit ;; + *:Plan9:*:*) + # "uname -m" is not consistent, so use $cputype instead. 386 + # is converted to i386 for consistency with other x86 + # operating systems. + if test "$cputype" = "386"; then + UNAME_MACHINE=i386 + else + UNAME_MACHINE="$cputype" + fi + echo ${UNAME_MACHINE}-unknown-plan9 + exit ;; + *:TOPS-10:*:*) + echo pdp10-unknown-tops10 + exit ;; + *:TENEX:*:*) + echo pdp10-unknown-tenex + exit ;; + KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) + echo pdp10-dec-tops20 + exit ;; + XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) + echo pdp10-xkl-tops20 + exit ;; + *:TOPS-20:*:*) + echo pdp10-unknown-tops20 + exit ;; + *:ITS:*:*) + echo pdp10-unknown-its + exit ;; + SEI:*:*:SEIUX) + echo mips-sei-seiux${UNAME_RELEASE} + exit ;; + *:DragonFly:*:*) + echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` + exit ;; + *:*VMS:*:*) + UNAME_MACHINE=`(uname -p) 2>/dev/null` + case "${UNAME_MACHINE}" in + A*) echo alpha-dec-vms ; exit ;; + I*) echo ia64-dec-vms ; exit ;; + V*) echo vax-dec-vms ; exit ;; + esac ;; + *:XENIX:*:SysV) + echo i386-pc-xenix + exit ;; + i*86:skyos:*:*) + echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' + exit ;; + i*86:rdos:*:*) + echo ${UNAME_MACHINE}-pc-rdos + exit ;; + i*86:AROS:*:*) + echo ${UNAME_MACHINE}-pc-aros + exit ;; + x86_64:VMkernel:*:*) + echo ${UNAME_MACHINE}-unknown-esx + exit ;; +esac + +eval $set_cc_for_build +cat >$dummy.c < +# include +#endif +main () +{ +#if defined (sony) +#if defined (MIPSEB) + /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, + I don't know.... */ + printf ("mips-sony-bsd\n"); exit (0); +#else +#include + printf ("m68k-sony-newsos%s\n", +#ifdef NEWSOS4 + "4" +#else + "" +#endif + ); exit (0); +#endif +#endif + +#if defined (__arm) && defined (__acorn) && defined (__unix) + printf ("arm-acorn-riscix\n"); exit (0); +#endif + +#if defined (hp300) && !defined (hpux) + printf ("m68k-hp-bsd\n"); exit (0); +#endif + +#if defined (NeXT) +#if !defined (__ARCHITECTURE__) +#define __ARCHITECTURE__ "m68k" +#endif + int version; + version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; + if (version < 4) + printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); + else + printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); + exit (0); +#endif + +#if defined (MULTIMAX) || defined (n16) +#if defined (UMAXV) + printf ("ns32k-encore-sysv\n"); exit (0); +#else +#if defined (CMU) + printf ("ns32k-encore-mach\n"); exit (0); +#else + printf ("ns32k-encore-bsd\n"); exit (0); +#endif +#endif +#endif + +#if defined (__386BSD__) + printf ("i386-pc-bsd\n"); exit (0); +#endif + +#if defined (sequent) +#if defined (i386) + printf ("i386-sequent-dynix\n"); exit (0); +#endif +#if defined (ns32000) + printf ("ns32k-sequent-dynix\n"); exit (0); +#endif +#endif + +#if defined (_SEQUENT_) + struct utsname un; + + uname(&un); + + if (strncmp(un.version, "V2", 2) == 0) { + printf ("i386-sequent-ptx2\n"); exit (0); + } + if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ + printf ("i386-sequent-ptx1\n"); exit (0); + } + printf ("i386-sequent-ptx\n"); exit (0); + +#endif + +#if defined (vax) +# if !defined (ultrix) +# include +# if defined (BSD) +# if BSD == 43 + printf ("vax-dec-bsd4.3\n"); exit (0); +# else +# if BSD == 199006 + printf ("vax-dec-bsd4.3reno\n"); exit (0); +# else + printf ("vax-dec-bsd\n"); exit (0); +# endif +# endif +# else + printf ("vax-dec-bsd\n"); exit (0); +# endif +# else + printf ("vax-dec-ultrix\n"); exit (0); +# endif +#endif + +#if defined (alliant) && defined (i860) + printf ("i860-alliant-bsd\n"); exit (0); +#endif + + exit (1); +} +EOF + +$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + +# Apollos put the system type in the environment. + +test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } + +# Convex versions that predate uname can use getsysinfo(1) + +if [ -x /usr/convex/getsysinfo ] +then + case `getsysinfo -f cpu_type` in + c1*) + echo c1-convex-bsd + exit ;; + c2*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + c34*) + echo c34-convex-bsd + exit ;; + c38*) + echo c38-convex-bsd + exit ;; + c4*) + echo c4-convex-bsd + exit ;; + esac +fi + +cat >&2 < in order to provide the needed +information to handle your system. + +config.guess timestamp = $timestamp + +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null` + +hostinfo = `(hostinfo) 2>/dev/null` +/bin/universe = `(/bin/universe) 2>/dev/null` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` +/bin/arch = `(/bin/arch) 2>/dev/null` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` + +UNAME_MACHINE = ${UNAME_MACHINE} +UNAME_RELEASE = ${UNAME_RELEASE} +UNAME_SYSTEM = ${UNAME_SYSTEM} +UNAME_VERSION = ${UNAME_VERSION} +EOF + +exit 1 + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/build/config.rpath b/build/config.rpath new file mode 100755 index 0000000..c547c68 --- /dev/null +++ b/build/config.rpath @@ -0,0 +1,666 @@ +#! /bin/sh +# Output a system dependent set of variables, describing how to set the +# run time search path of shared libraries in an executable. +# +# Copyright 1996-2007 Free Software Foundation, Inc. +# Taken from GNU libtool, 2001 +# Originally by Gordon Matzigkeit , 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. +# +# The first argument passed to this file is the canonical host specification, +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld +# should be set by the caller. +# +# The set of defined variables is at the end of this script. + +# Known limitations: +# - On IRIX 6.5 with CC="cc", the run time search patch must not be longer +# than 256 bytes, otherwise the compiler driver will dump core. The only +# known workaround is to choose shorter directory names for the build +# directory and/or the installation directory. + +# All known linkers require a `.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a +shrext=.so + +host="$1" +host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` + +# Code taken from libtool.m4's _LT_CC_BASENAME. + +for cc_temp in $CC""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'` + +# Code taken from libtool.m4's AC_LIBTOOL_PROG_COMPILER_PIC. + +wl= +if test "$GCC" = yes; then + wl='-Wl,' +else + case "$host_os" in + aix*) + wl='-Wl,' + ;; + darwin*) + case $cc_basename in + xlc*) + wl='-Wl,' + ;; + esac + ;; + mingw* | cygwin* | pw32* | os2*) + ;; + hpux9* | hpux10* | hpux11*) + wl='-Wl,' + ;; + irix5* | irix6* | nonstopux*) + wl='-Wl,' + ;; + newsos6) + ;; + linux* | k*bsd*-gnu) + case $cc_basename in + icc* | ecc*) + wl='-Wl,' + ;; + pgcc | pgf77 | pgf90) + wl='-Wl,' + ;; + ccc*) + wl='-Wl,' + ;; + como) + wl='-lopt=' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + wl='-Wl,' + ;; + esac + ;; + esac + ;; + osf3* | osf4* | osf5*) + wl='-Wl,' + ;; + rdos*) + ;; + solaris*) + wl='-Wl,' + ;; + sunos4*) + wl='-Qoption ld ' + ;; + sysv4 | sysv4.2uw2* | sysv4.3*) + wl='-Wl,' + ;; + sysv4*MP*) + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + wl='-Wl,' + ;; + unicos*) + wl='-Wl,' + ;; + uts4*) + ;; + esac +fi + +# Code taken from libtool.m4's AC_LIBTOOL_PROG_LD_SHLIBS. + +hardcode_libdir_flag_spec= +hardcode_libdir_separator= +hardcode_direct=no +hardcode_minus_L=no + +case "$host_os" in + cygwin* | mingw* | pw32*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; +esac + +ld_shlibs=yes +if test "$with_gnu_ld" = yes; then + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + # Unlike libtool, we use -rpath here, not --rpath, since the documented + # option of GNU ld is called -rpath, not --rpath. + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + case "$host_os" in + aix3* | aix4* | aix5*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + ld_shlibs=no + fi + ;; + amigaos*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + # Samuel A. Falvo II reports + # that the semantics of dynamic libraries on AmigaOS, at least up + # to version 4, is to share data among multiple programs linked + # with the same dynamic library. Since this doesn't match the + # behavior of shared libraries on other platforms, we cannot use + # them. + ld_shlibs=no + ;; + beos*) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + cygwin* | mingw* | pw32*) + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + interix[3-9]*) + hardcode_direct=no + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + ;; + gnu* | linux* | k*bsd*-gnu) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + netbsd*) + ;; + solaris*) + if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + ;; + *) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`' + else + ld_shlibs=no + fi + ;; + esac + ;; + sunos4*) + hardcode_direct=yes + ;; + *) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + esac + if test "$ld_shlibs" = no; then + hardcode_libdir_flag_spec= + fi +else + case "$host_os" in + aix3*) + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test "$GCC" = yes; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + aix4* | aix5*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + else + aix_use_runtimelinking=no + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[23]|aix4.[23].*|aix5*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + fi + hardcode_direct=yes + hardcode_libdir_separator=':' + if test "$GCC" = yes; then + case $host_os in aix4.[012]|aix4.[012].*) + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && \ + strings "$collect2name" | grep resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + fi + # Begin _LT_AC_SYS_LIBPATH_AIX. + echo 'int main () { return 0; }' > conftest.c + ${CC} ${LDFLAGS} conftest.c -o conftest + aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; } +}'` + if test -z "$aix_libpath"; then + aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; } +}'` + fi + if test -z "$aix_libpath"; then + aix_libpath="/usr/lib:/lib" + fi + rm -f conftest.c conftest + # End _LT_AC_SYS_LIBPATH_AIX. + if test "$aix_use_runtimelinking" = yes; then + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + else + if test "$host_cpu" = ia64; then + hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' + else + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + fi + fi + ;; + amigaos*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + # see comment about different semantics on the GNU ld section + ld_shlibs=no + ;; + bsdi[45]*) + ;; + cygwin* | mingw* | pw32*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + hardcode_libdir_flag_spec=' ' + libext=lib + ;; + darwin* | rhapsody*) + hardcode_direct=no + if test "$GCC" = yes ; then + : + else + case $cc_basename in + xlc*) + ;; + *) + ld_shlibs=no + ;; + esac + fi + ;; + dgux*) + hardcode_libdir_flag_spec='-L$libdir' + ;; + freebsd1*) + ld_shlibs=no + ;; + freebsd2.2*) + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + ;; + freebsd2*) + hardcode_direct=yes + hardcode_minus_L=yes + ;; + freebsd* | dragonfly*) + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + ;; + hpux9*) + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + hpux10*) + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + hpux11*) + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + ;; + *) + hardcode_direct=yes + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + irix5* | irix6* | nonstopux*) + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + netbsd*) + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + ;; + newsos6) + hardcode_direct=yes + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + openbsd*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + else + case "$host_os" in + openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) + hardcode_libdir_flag_spec='-R$libdir' + ;; + *) + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + ;; + esac + fi + else + ld_shlibs=no + fi + ;; + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + osf3*) + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + osf4* | osf5*) + if test "$GCC" = yes; then + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + else + # Both cc and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + hardcode_libdir_separator=: + ;; + solaris*) + hardcode_libdir_flag_spec='-R$libdir' + ;; + sunos4*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + ;; + sysv4) + case $host_vendor in + sni) + hardcode_direct=yes # is this really true??? + ;; + siemens) + hardcode_direct=no + ;; + motorola) + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + ;; + sysv4.3*) + ;; + sysv4*MP*) + if test -d /usr/nec; then + ld_shlibs=yes + fi + ;; + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + ;; + sysv5* | sco3.2v5* | sco5v6*) + hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`' + hardcode_libdir_separator=':' + ;; + uts4*) + hardcode_libdir_flag_spec='-L$libdir' + ;; + *) + ld_shlibs=no + ;; + esac +fi + +# Check dynamic linker characteristics +# Code taken from libtool.m4's AC_LIBTOOL_SYS_DYNAMIC_LINKER. +# Unlike libtool.m4, here we don't care about _all_ names of the library, but +# only about the one the linker finds when passed -lNAME. This is the last +# element of library_names_spec in libtool.m4, or possibly two of them if the +# linker has special search rules. +library_names_spec= # the last element of library_names_spec in libtool.m4 +libname_spec='lib$name' +case "$host_os" in + aix3*) + library_names_spec='$libname.a' + ;; + aix4* | aix5*) + library_names_spec='$libname$shrext' + ;; + amigaos*) + library_names_spec='$libname.a' + ;; + beos*) + library_names_spec='$libname$shrext' + ;; + bsdi[45]*) + library_names_spec='$libname$shrext' + ;; + cygwin* | mingw* | pw32*) + shrext=.dll + library_names_spec='$libname.dll.a $libname.lib' + ;; + darwin* | rhapsody*) + shrext=.dylib + library_names_spec='$libname$shrext' + ;; + dgux*) + library_names_spec='$libname$shrext' + ;; + freebsd1*) + ;; + freebsd* | dragonfly*) + case "$host_os" in + freebsd[123]*) + library_names_spec='$libname$shrext$versuffix' ;; + *) + library_names_spec='$libname$shrext' ;; + esac + ;; + gnu*) + library_names_spec='$libname$shrext' + ;; + hpux9* | hpux10* | hpux11*) + case $host_cpu in + ia64*) + shrext=.so + ;; + hppa*64*) + shrext=.sl + ;; + *) + shrext=.sl + ;; + esac + library_names_spec='$libname$shrext' + ;; + interix[3-9]*) + library_names_spec='$libname$shrext' + ;; + irix5* | irix6* | nonstopux*) + library_names_spec='$libname$shrext' + case "$host_os" in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;; + *) libsuff= shlibsuff= ;; + esac + ;; + esac + ;; + linux*oldld* | linux*aout* | linux*coff*) + ;; + linux* | k*bsd*-gnu) + library_names_spec='$libname$shrext' + ;; + knetbsd*-gnu) + library_names_spec='$libname$shrext' + ;; + netbsd*) + library_names_spec='$libname$shrext' + ;; + newsos6) + library_names_spec='$libname$shrext' + ;; + nto-qnx*) + library_names_spec='$libname$shrext' + ;; + openbsd*) + library_names_spec='$libname$shrext$versuffix' + ;; + os2*) + libname_spec='$name' + shrext=.dll + library_names_spec='$libname.a' + ;; + osf3* | osf4* | osf5*) + library_names_spec='$libname$shrext' + ;; + rdos*) + ;; + solaris*) + library_names_spec='$libname$shrext' + ;; + sunos4*) + library_names_spec='$libname$shrext$versuffix' + ;; + sysv4 | sysv4.3*) + library_names_spec='$libname$shrext' + ;; + sysv4*MP*) + library_names_spec='$libname$shrext' + ;; + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + library_names_spec='$libname$shrext' + ;; + uts4*) + library_names_spec='$libname$shrext' + ;; +esac + +sed_quote_subst='s/\(["`$\\]\)/\\\1/g' +escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"` +shlibext=`echo "$shrext" | sed -e 's,^\.,,'` +escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` +escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` +escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` + +LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). + + +# Please send patches with a ChangeLog entry to config-patches@gnu.org. +# +# Configuration subroutine to validate and canonicalize a configuration type. +# Supply the specified configuration type as an argument. +# If it is invalid, we print an error message on stderr and exit with code 1. +# Otherwise, we print the canonical config type on stdout and succeed. + +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD + +# This file is supposed to be the same for all GNU packages +# and recognize all the CPU types, system types and aliases +# that are meaningful with *any* GNU software. +# Each package is responsible for reporting which valid configurations +# it does not support. The user should be able to distinguish +# a failure to support a valid configuration from a meaningless +# configuration. + +# The goal of this file is to map all the various variations of a given +# machine specification into a single specification in the form: +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or in some cases, the newer four-part form: +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# It is wrong to echo any other type of specification. + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] CPU-MFR-OPSYS + $0 [OPTION] ALIAS + +Canonicalize a configuration name. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.sub ($timestamp) + +Copyright 1992-2013 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" + exit 1 ;; + + *local*) + # First pass through any local machine types. + echo $1 + exit ;; + + * ) + break ;; + esac +done + +case $# in + 0) echo "$me: missing argument$help" >&2 + exit 1;; + 1) ;; + *) echo "$me: too many arguments$help" >&2 + exit 1;; +esac + +# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). +# Here we must recognize all the valid KERNEL-OS combinations. +maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` +case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ + linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | \ + kopensolaris*-gnu* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` + ;; + android-linux) + os=-linux-android + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown + ;; + *) + basic_machine=`echo $1 | sed 's/-[^-]*$//'` + if [ $basic_machine != $1 ] + then os=`echo $1 | sed 's/.*-/-/'` + else os=; fi + ;; +esac + +### Let's recognize common machines as not being operating systems so +### that things like config.sub decstation-3100 work. We also +### recognize some manufacturers as not being operating systems, so we +### can provide default operating systems below. +case $os in + -sun*os*) + # Prevent following clause from handling this invalid input. + ;; + -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ + -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ + -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ + -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ + -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ + -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ + -apple | -axis | -knuth | -cray | -microblaze*) + os= + basic_machine=$1 + ;; + -bluegene*) + os=-cnk + ;; + -sim | -cisco | -oki | -wec | -winbond) + os= + basic_machine=$1 + ;; + -scout) + ;; + -wrs) + os=-vxworks + basic_machine=$1 + ;; + -chorusos*) + os=-chorusos + basic_machine=$1 + ;; + -chorusrdb) + os=-chorusrdb + basic_machine=$1 + ;; + -hiux*) + os=-hiuxwe2 + ;; + -sco6) + os=-sco5v6 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5) + os=-sco3.2v5 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco4) + os=-sco3.2v4 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2.[4-9]*) + os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2v[4-9]*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5v6*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco*) + os=-sco3.2v2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -udk*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -isc) + os=-isc2.2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -clix*) + basic_machine=clipper-intergraph + ;; + -isc*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -lynx*178) + os=-lynxos178 + ;; + -lynx*5) + os=-lynxos5 + ;; + -lynx*) + os=-lynxos + ;; + -ptx*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` + ;; + -windowsnt*) + os=`echo $os | sed -e 's/windowsnt/winnt/'` + ;; + -psos*) + os=-psos + ;; + -mint | -mint[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; +esac + +# Decode aliases for certain CPU-COMPANY combinations. +case $basic_machine in + # Recognize the basic CPU types without company name. + # Some are omitted here because they have special meanings below. + 1750a | 580 \ + | a29k \ + | aarch64 | aarch64_be \ + | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ + | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ + | am33_2.0 \ + | arc | arceb \ + | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ + | avr | avr32 \ + | be32 | be64 \ + | bfin \ + | c4x | c8051 | clipper \ + | d10v | d30v | dlx | dsp16xx \ + | epiphany \ + | fido | fr30 | frv \ + | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ + | hexagon \ + | i370 | i860 | i960 | ia64 \ + | ip2k | iq2000 \ + | k1om \ + | le32 | le64 \ + | lm32 \ + | m32c | m32r | m32rle | m68000 | m68k | m88k \ + | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ + | mips | mipsbe | mipseb | mipsel | mipsle \ + | mips16 \ + | mips64 | mips64el \ + | mips64octeon | mips64octeonel \ + | mips64orion | mips64orionel \ + | mips64r5900 | mips64r5900el \ + | mips64vr | mips64vrel \ + | mips64vr4100 | mips64vr4100el \ + | mips64vr4300 | mips64vr4300el \ + | mips64vr5000 | mips64vr5000el \ + | mips64vr5900 | mips64vr5900el \ + | mipsisa32 | mipsisa32el \ + | mipsisa32r2 | mipsisa32r2el \ + | mipsisa64 | mipsisa64el \ + | mipsisa64r2 | mipsisa64r2el \ + | mipsisa64sb1 | mipsisa64sb1el \ + | mipsisa64sr71k | mipsisa64sr71kel \ + | mipsr5900 | mipsr5900el \ + | mipstx39 | mipstx39el \ + | mn10200 | mn10300 \ + | moxie \ + | mt \ + | msp430 \ + | nds32 | nds32le | nds32be \ + | nios | nios2 | nios2eb | nios2el \ + | ns16k | ns32k \ + | open8 \ + | or1k | or32 \ + | pdp10 | pdp11 | pj | pjl \ + | powerpc | powerpc64 | powerpc64le | powerpcle \ + | pyramid \ + | rl78 | rx \ + | score \ + | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ + | sh64 | sh64le \ + | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ + | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ + | spu \ + | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ + | ubicom32 \ + | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ + | we32k \ + | x86 | xc16x | xstormy16 | xtensa \ + | z8k | z80) + basic_machine=$basic_machine-unknown + ;; + c54x) + basic_machine=tic54x-unknown + ;; + c55x) + basic_machine=tic55x-unknown + ;; + c6x) + basic_machine=tic6x-unknown + ;; + m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) + basic_machine=$basic_machine-unknown + os=-none + ;; + m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) + ;; + ms1) + basic_machine=mt-unknown + ;; + + strongarm | thumb | xscale) + basic_machine=arm-unknown + ;; + xgate) + basic_machine=$basic_machine-unknown + os=-none + ;; + xscaleeb) + basic_machine=armeb-unknown + ;; + + xscaleel) + basic_machine=armel-unknown + ;; + + # We use `pc' rather than `unknown' + # because (1) that's what they normally are, and + # (2) the word "unknown" tends to confuse beginning users. + i*86 | x86_64) + basic_machine=$basic_machine-pc + ;; + # Object if more than one company name word. + *-*-*) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; + # Recognize the basic CPU types with company name. + 580-* \ + | a29k-* \ + | aarch64-* | aarch64_be-* \ + | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ + | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ + | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ + | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ + | avr-* | avr32-* \ + | be32-* | be64-* \ + | bfin-* | bs2000-* \ + | c[123]* | c30-* | [cjt]90-* | c4x-* \ + | c8051-* | clipper-* | craynv-* | cydra-* \ + | d10v-* | d30v-* | dlx-* \ + | elxsi-* \ + | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ + | h8300-* | h8500-* \ + | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ + | hexagon-* \ + | i*86-* | i860-* | i960-* | ia64-* \ + | ip2k-* | iq2000-* \ + | k1om-* \ + | le32-* | le64-* \ + | lm32-* \ + | m32c-* | m32r-* | m32rle-* \ + | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ + | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ + | microblaze-* | microblazeel-* \ + | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ + | mips16-* \ + | mips64-* | mips64el-* \ + | mips64octeon-* | mips64octeonel-* \ + | mips64orion-* | mips64orionel-* \ + | mips64r5900-* | mips64r5900el-* \ + | mips64vr-* | mips64vrel-* \ + | mips64vr4100-* | mips64vr4100el-* \ + | mips64vr4300-* | mips64vr4300el-* \ + | mips64vr5000-* | mips64vr5000el-* \ + | mips64vr5900-* | mips64vr5900el-* \ + | mipsisa32-* | mipsisa32el-* \ + | mipsisa32r2-* | mipsisa32r2el-* \ + | mipsisa64-* | mipsisa64el-* \ + | mipsisa64r2-* | mipsisa64r2el-* \ + | mipsisa64sb1-* | mipsisa64sb1el-* \ + | mipsisa64sr71k-* | mipsisa64sr71kel-* \ + | mipsr5900-* | mipsr5900el-* \ + | mipstx39-* | mipstx39el-* \ + | mmix-* \ + | mt-* \ + | msp430-* \ + | nds32-* | nds32le-* | nds32be-* \ + | nios-* | nios2-* | nios2eb-* | nios2el-* \ + | none-* | np1-* | ns16k-* | ns32k-* \ + | open8-* \ + | orion-* \ + | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ + | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ + | pyramid-* \ + | rl78-* | romp-* | rs6000-* | rx-* \ + | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ + | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ + | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ + | sparclite-* \ + | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \ + | tahoe-* \ + | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ + | tile*-* \ + | tron-* \ + | ubicom32-* \ + | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ + | vax-* \ + | we32k-* \ + | x86-* | x86_64-* | xc16x-* | xps100-* \ + | xstormy16-* | xtensa*-* \ + | ymp-* \ + | z8k-* | z80-*) + ;; + # Recognize the basic CPU types without company name, with glob match. + xtensa*) + basic_machine=$basic_machine-unknown + ;; + # Recognize the various machine names and aliases which stand + # for a CPU type and a company and sometimes even an OS. + 386bsd) + basic_machine=i386-unknown + os=-bsd + ;; + 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) + basic_machine=m68000-att + ;; + 3b*) + basic_machine=we32k-att + ;; + a29khif) + basic_machine=a29k-amd + os=-udi + ;; + abacus) + basic_machine=abacus-unknown + ;; + adobe68k) + basic_machine=m68010-adobe + os=-scout + ;; + alliant | fx80) + basic_machine=fx80-alliant + ;; + altos | altos3068) + basic_machine=m68k-altos + ;; + am29k) + basic_machine=a29k-none + os=-bsd + ;; + amd64) + basic_machine=x86_64-pc + ;; + amd64-*) + basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + amdahl) + basic_machine=580-amdahl + os=-sysv + ;; + amiga | amiga-*) + basic_machine=m68k-unknown + ;; + amigaos | amigados) + basic_machine=m68k-unknown + os=-amigaos + ;; + amigaunix | amix) + basic_machine=m68k-unknown + os=-sysv4 + ;; + apollo68) + basic_machine=m68k-apollo + os=-sysv + ;; + apollo68bsd) + basic_machine=m68k-apollo + os=-bsd + ;; + aros) + basic_machine=i386-pc + os=-aros + ;; + aux) + basic_machine=m68k-apple + os=-aux + ;; + balance) + basic_machine=ns32k-sequent + os=-dynix + ;; + blackfin) + basic_machine=bfin-unknown + os=-linux + ;; + blackfin-*) + basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + bluegene*) + basic_machine=powerpc-ibm + os=-cnk + ;; + c54x-*) + basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c55x-*) + basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c6x-*) + basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c90) + basic_machine=c90-cray + os=-unicos + ;; + cegcc) + basic_machine=arm-unknown + os=-cegcc + ;; + convex-c1) + basic_machine=c1-convex + os=-bsd + ;; + convex-c2) + basic_machine=c2-convex + os=-bsd + ;; + convex-c32) + basic_machine=c32-convex + os=-bsd + ;; + convex-c34) + basic_machine=c34-convex + os=-bsd + ;; + convex-c38) + basic_machine=c38-convex + os=-bsd + ;; + cray | j90) + basic_machine=j90-cray + os=-unicos + ;; + craynv) + basic_machine=craynv-cray + os=-unicosmp + ;; + cr16 | cr16-*) + basic_machine=cr16-unknown + os=-elf + ;; + crds | unos) + basic_machine=m68k-crds + ;; + crisv32 | crisv32-* | etraxfs*) + basic_machine=crisv32-axis + ;; + cris | cris-* | etrax*) + basic_machine=cris-axis + ;; + crx) + basic_machine=crx-unknown + os=-elf + ;; + da30 | da30-*) + basic_machine=m68k-da30 + ;; + decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) + basic_machine=mips-dec + ;; + decsystem10* | dec10*) + basic_machine=pdp10-dec + os=-tops10 + ;; + decsystem20* | dec20*) + basic_machine=pdp10-dec + os=-tops20 + ;; + delta | 3300 | motorola-3300 | motorola-delta \ + | 3300-motorola | delta-motorola) + basic_machine=m68k-motorola + ;; + delta88) + basic_machine=m88k-motorola + os=-sysv3 + ;; + dicos) + basic_machine=i686-pc + os=-dicos + ;; + djgpp) + basic_machine=i586-pc + os=-msdosdjgpp + ;; + dpx20 | dpx20-*) + basic_machine=rs6000-bull + os=-bosx + ;; + dpx2* | dpx2*-bull) + basic_machine=m68k-bull + os=-sysv3 + ;; + ebmon29k) + basic_machine=a29k-amd + os=-ebmon + ;; + elxsi) + basic_machine=elxsi-elxsi + os=-bsd + ;; + encore | umax | mmax) + basic_machine=ns32k-encore + ;; + es1800 | OSE68k | ose68k | ose | OSE) + basic_machine=m68k-ericsson + os=-ose + ;; + fx2800) + basic_machine=i860-alliant + ;; + genix) + basic_machine=ns32k-ns + ;; + gmicro) + basic_machine=tron-gmicro + os=-sysv + ;; + go32) + basic_machine=i386-pc + os=-go32 + ;; + h3050r* | hiux*) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + h8300hms) + basic_machine=h8300-hitachi + os=-hms + ;; + h8300xray) + basic_machine=h8300-hitachi + os=-xray + ;; + h8500hms) + basic_machine=h8500-hitachi + os=-hms + ;; + harris) + basic_machine=m88k-harris + os=-sysv3 + ;; + hp300-*) + basic_machine=m68k-hp + ;; + hp300bsd) + basic_machine=m68k-hp + os=-bsd + ;; + hp300hpux) + basic_machine=m68k-hp + os=-hpux + ;; + hp3k9[0-9][0-9] | hp9[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k2[0-9][0-9] | hp9k31[0-9]) + basic_machine=m68000-hp + ;; + hp9k3[2-9][0-9]) + basic_machine=m68k-hp + ;; + hp9k6[0-9][0-9] | hp6[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k7[0-79][0-9] | hp7[0-79][0-9]) + basic_machine=hppa1.1-hp + ;; + hp9k78[0-9] | hp78[0-9]) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][13679] | hp8[0-9][13679]) + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][0-9] | hp8[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hppa-next) + os=-nextstep3 + ;; + hppaosf) + basic_machine=hppa1.1-hp + os=-osf + ;; + hppro) + basic_machine=hppa1.1-hp + os=-proelf + ;; + i370-ibm* | ibm*) + basic_machine=i370-ibm + ;; + i*86v32) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv32 + ;; + i*86v4*) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv4 + ;; + i*86v) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv + ;; + i*86sol2) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-solaris2 + ;; + i386mach) + basic_machine=i386-mach + os=-mach + ;; + i386-vsta | vsta) + basic_machine=i386-unknown + os=-vsta + ;; + iris | iris4d) + basic_machine=mips-sgi + case $os in + -irix*) + ;; + *) + os=-irix4 + ;; + esac + ;; + isi68 | isi) + basic_machine=m68k-isi + os=-sysv + ;; + m68knommu) + basic_machine=m68k-unknown + os=-linux + ;; + m68knommu-*) + basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + m88k-omron*) + basic_machine=m88k-omron + ;; + magnum | m3230) + basic_machine=mips-mips + os=-sysv + ;; + merlin) + basic_machine=ns32k-utek + os=-sysv + ;; + microblaze*) + basic_machine=microblaze-xilinx + ;; + mingw64) + basic_machine=x86_64-pc + os=-mingw64 + ;; + mingw32) + basic_machine=i686-pc + os=-mingw32 + ;; + mingw32ce) + basic_machine=arm-unknown + os=-mingw32ce + ;; + miniframe) + basic_machine=m68000-convergent + ;; + *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; + mips3*-*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` + ;; + mips3*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown + ;; + monitor) + basic_machine=m68k-rom68k + os=-coff + ;; + morphos) + basic_machine=powerpc-unknown + os=-morphos + ;; + msdos) + basic_machine=i386-pc + os=-msdos + ;; + ms1-*) + basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` + ;; + msys) + basic_machine=i686-pc + os=-msys + ;; + mvs) + basic_machine=i370-ibm + os=-mvs + ;; + nacl) + basic_machine=le32-unknown + os=-nacl + ;; + ncr3000) + basic_machine=i486-ncr + os=-sysv4 + ;; + netbsd386) + basic_machine=i386-unknown + os=-netbsd + ;; + netwinder) + basic_machine=armv4l-rebel + os=-linux + ;; + news | news700 | news800 | news900) + basic_machine=m68k-sony + os=-newsos + ;; + news1000) + basic_machine=m68030-sony + os=-newsos + ;; + news-3600 | risc-news) + basic_machine=mips-sony + os=-newsos + ;; + necv70) + basic_machine=v70-nec + os=-sysv + ;; + next | m*-next ) + basic_machine=m68k-next + case $os in + -nextstep* ) + ;; + -ns2*) + os=-nextstep2 + ;; + *) + os=-nextstep3 + ;; + esac + ;; + nh3000) + basic_machine=m68k-harris + os=-cxux + ;; + nh[45]000) + basic_machine=m88k-harris + os=-cxux + ;; + nindy960) + basic_machine=i960-intel + os=-nindy + ;; + mon960) + basic_machine=i960-intel + os=-mon960 + ;; + nonstopux) + basic_machine=mips-compaq + os=-nonstopux + ;; + np1) + basic_machine=np1-gould + ;; + neo-tandem) + basic_machine=neo-tandem + ;; + nse-tandem) + basic_machine=nse-tandem + ;; + nsr-tandem) + basic_machine=nsr-tandem + ;; + op50n-* | op60c-*) + basic_machine=hppa1.1-oki + os=-proelf + ;; + openrisc | openrisc-*) + basic_machine=or32-unknown + ;; + os400) + basic_machine=powerpc-ibm + os=-os400 + ;; + OSE68000 | ose68000) + basic_machine=m68000-ericsson + os=-ose + ;; + os68k) + basic_machine=m68k-none + os=-os68k + ;; + pa-hitachi) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + paragon) + basic_machine=i860-intel + os=-osf + ;; + parisc) + basic_machine=hppa-unknown + os=-linux + ;; + parisc-*) + basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + pbd) + basic_machine=sparc-tti + ;; + pbb) + basic_machine=m68k-tti + ;; + pc532 | pc532-*) + basic_machine=ns32k-pc532 + ;; + pc98) + basic_machine=i386-pc + ;; + pc98-*) + basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium | p5 | k5 | k6 | nexgen | viac3) + basic_machine=i586-pc + ;; + pentiumpro | p6 | 6x86 | athlon | athlon_*) + basic_machine=i686-pc + ;; + pentiumii | pentium2 | pentiumiii | pentium3) + basic_machine=i686-pc + ;; + pentium4) + basic_machine=i786-pc + ;; + pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) + basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumpro-* | p6-* | 6x86-* | athlon-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium4-*) + basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pn) + basic_machine=pn-gould + ;; + power) basic_machine=power-ibm + ;; + ppc | ppcbe) basic_machine=powerpc-unknown + ;; + ppc-* | ppcbe-*) + basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppcle | powerpclittle | ppc-le | powerpc-little) + basic_machine=powerpcle-unknown + ;; + ppcle-* | powerpclittle-*) + basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64) basic_machine=powerpc64-unknown + ;; + ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64le | powerpc64little | ppc64-le | powerpc64-little) + basic_machine=powerpc64le-unknown + ;; + ppc64le-* | powerpc64little-*) + basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ps2) + basic_machine=i386-ibm + ;; + pw32) + basic_machine=i586-unknown + os=-pw32 + ;; + rdos | rdos64) + basic_machine=x86_64-pc + os=-rdos + ;; + rdos32) + basic_machine=i386-pc + os=-rdos + ;; + rom68k) + basic_machine=m68k-rom68k + os=-coff + ;; + rm[46]00) + basic_machine=mips-siemens + ;; + rtpc | rtpc-*) + basic_machine=romp-ibm + ;; + s390 | s390-*) + basic_machine=s390-ibm + ;; + s390x | s390x-*) + basic_machine=s390x-ibm + ;; + sa29200) + basic_machine=a29k-amd + os=-udi + ;; + sb1) + basic_machine=mipsisa64sb1-unknown + ;; + sb1el) + basic_machine=mipsisa64sb1el-unknown + ;; + sde) + basic_machine=mipsisa32-sde + os=-elf + ;; + sei) + basic_machine=mips-sei + os=-seiux + ;; + sequent) + basic_machine=i386-sequent + ;; + sh) + basic_machine=sh-hitachi + os=-hms + ;; + sh5el) + basic_machine=sh5le-unknown + ;; + sh64) + basic_machine=sh64-unknown + ;; + sparclite-wrs | simso-wrs) + basic_machine=sparclite-wrs + os=-vxworks + ;; + sps7) + basic_machine=m68k-bull + os=-sysv2 + ;; + spur) + basic_machine=spur-unknown + ;; + st2000) + basic_machine=m68k-tandem + ;; + stratus) + basic_machine=i860-stratus + os=-sysv4 + ;; + strongarm-* | thumb-*) + basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + sun2) + basic_machine=m68000-sun + ;; + sun2os3) + basic_machine=m68000-sun + os=-sunos3 + ;; + sun2os4) + basic_machine=m68000-sun + os=-sunos4 + ;; + sun3os3) + basic_machine=m68k-sun + os=-sunos3 + ;; + sun3os4) + basic_machine=m68k-sun + os=-sunos4 + ;; + sun4os3) + basic_machine=sparc-sun + os=-sunos3 + ;; + sun4os4) + basic_machine=sparc-sun + os=-sunos4 + ;; + sun4sol2) + basic_machine=sparc-sun + os=-solaris2 + ;; + sun3 | sun3-*) + basic_machine=m68k-sun + ;; + sun4) + basic_machine=sparc-sun + ;; + sun386 | sun386i | roadrunner) + basic_machine=i386-sun + ;; + sv1) + basic_machine=sv1-cray + os=-unicos + ;; + symmetry) + basic_machine=i386-sequent + os=-dynix + ;; + t3e) + basic_machine=alphaev5-cray + os=-unicos + ;; + t90) + basic_machine=t90-cray + os=-unicos + ;; + tile*) + basic_machine=$basic_machine-unknown + os=-linux-gnu + ;; + tx39) + basic_machine=mipstx39-unknown + ;; + tx39el) + basic_machine=mipstx39el-unknown + ;; + toad1) + basic_machine=pdp10-xkl + os=-tops20 + ;; + tower | tower-32) + basic_machine=m68k-ncr + ;; + tpf) + basic_machine=s390x-ibm + os=-tpf + ;; + udi29k) + basic_machine=a29k-amd + os=-udi + ;; + ultra3) + basic_machine=a29k-nyu + os=-sym1 + ;; + v810 | necv810) + basic_machine=v810-nec + os=-none + ;; + vaxv) + basic_machine=vax-dec + os=-sysv + ;; + vms) + basic_machine=vax-dec + os=-vms + ;; + vpp*|vx|vx-*) + basic_machine=f301-fujitsu + ;; + vxworks960) + basic_machine=i960-wrs + os=-vxworks + ;; + vxworks68) + basic_machine=m68k-wrs + os=-vxworks + ;; + vxworks29k) + basic_machine=a29k-wrs + os=-vxworks + ;; + w65*) + basic_machine=w65-wdc + os=-none + ;; + w89k-*) + basic_machine=hppa1.1-winbond + os=-proelf + ;; + xbox) + basic_machine=i686-pc + os=-mingw32 + ;; + xps | xps100) + basic_machine=xps100-honeywell + ;; + xscale-* | xscalee[bl]-*) + basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` + ;; + ymp) + basic_machine=ymp-cray + os=-unicos + ;; + z8k-*-coff) + basic_machine=z8k-unknown + os=-sim + ;; + z80-*-coff) + basic_machine=z80-unknown + os=-sim + ;; + none) + basic_machine=none-none + os=-none + ;; + +# Here we handle the default manufacturer of certain CPU types. It is in +# some cases the only manufacturer, in others, it is the most popular. + w89k) + basic_machine=hppa1.1-winbond + ;; + op50n) + basic_machine=hppa1.1-oki + ;; + op60c) + basic_machine=hppa1.1-oki + ;; + romp) + basic_machine=romp-ibm + ;; + mmix) + basic_machine=mmix-knuth + ;; + rs6000) + basic_machine=rs6000-ibm + ;; + vax) + basic_machine=vax-dec + ;; + pdp10) + # there are many clones, so DEC is not a safe bet + basic_machine=pdp10-unknown + ;; + pdp11) + basic_machine=pdp11-dec + ;; + we32k) + basic_machine=we32k-att + ;; + sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele) + basic_machine=sh-unknown + ;; + sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v) + basic_machine=sparc-sun + ;; + cydra) + basic_machine=cydra-cydrome + ;; + orion) + basic_machine=orion-highlevel + ;; + orion105) + basic_machine=clipper-highlevel + ;; + mac | mpw | mac-mpw) + basic_machine=m68k-apple + ;; + pmac | pmac-mpw) + basic_machine=powerpc-apple + ;; + *-unknown) + # Make sure to match an already-canonicalized machine name. + ;; + *) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; +esac + +# Here we canonicalize certain aliases for manufacturers. +case $basic_machine in + *-digital*) + basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'` + ;; + *-commodore*) + basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'` + ;; + *) + ;; +esac + +# Decode manufacturer-specific aliases for certain operating systems. + +if [ x"$os" != x"" ] +then +case $os in + # First match some system type aliases + # that might get confused with valid system types. + # -solaris* is a basic system type, with this one exception. + -auroraux) + os=-auroraux + ;; + -solaris1 | -solaris1.*) + os=`echo $os | sed -e 's|solaris1|sunos4|'` + ;; + -solaris) + os=-solaris2 + ;; + -svr4*) + os=-sysv4 + ;; + -unixware*) + os=-sysv4.2uw + ;; + -gnu/linux*) + os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'` + ;; + # First accept the basic system types. + # The portable systems comes first. + # Each alternative MUST END IN A *, to match a version number. + # -sysv* is not here because it comes later, after sysvr4. + -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ + | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\ + | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \ + | -sym* | -kopensolaris* | -plan9* \ + | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \ + | -aos* | -aros* \ + | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \ + | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \ + | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \ + | -bitrig* | -openbsd* | -solidbsd* \ + | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \ + | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \ + | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* | -cegcc* \ + | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-musl* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ + | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \ + | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \ + | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \ + | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \ + | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*) + # Remember, each alternative MUST END IN *, to match a version number. + ;; + -qnx*) + case $basic_machine in + x86-* | i*86-*) + ;; + *) + os=-nto$os + ;; + esac + ;; + -nto-qnx*) + ;; + -nto*) + os=`echo $os | sed -e 's|nto|nto-qnx|'` + ;; + -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \ + | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \ + | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*) + ;; + -mac*) + os=`echo $os | sed -e 's|mac|macos|'` + ;; + -linux-dietlibc) + os=-linux-dietlibc + ;; + -linux*) + os=`echo $os | sed -e 's|linux|linux-gnu|'` + ;; + -sunos5*) + os=`echo $os | sed -e 's|sunos5|solaris2|'` + ;; + -sunos6*) + os=`echo $os | sed -e 's|sunos6|solaris3|'` + ;; + -opened*) + os=-openedition + ;; + -os400*) + os=-os400 + ;; + -wince*) + os=-wince + ;; + -osfrose*) + os=-osfrose + ;; + -osf*) + os=-osf + ;; + -utek*) + os=-bsd + ;; + -dynix*) + os=-bsd + ;; + -acis*) + os=-aos + ;; + -atheos*) + os=-atheos + ;; + -syllable*) + os=-syllable + ;; + -386bsd) + os=-bsd + ;; + -ctix* | -uts*) + os=-sysv + ;; + -nova*) + os=-rtmk-nova + ;; + -ns2 ) + os=-nextstep2 + ;; + -nsk*) + os=-nsk + ;; + # Preserve the version number of sinix5. + -sinix5.*) + os=`echo $os | sed -e 's|sinix|sysv|'` + ;; + -sinix*) + os=-sysv4 + ;; + -tpf*) + os=-tpf + ;; + -triton*) + os=-sysv3 + ;; + -oss*) + os=-sysv3 + ;; + -svr4) + os=-sysv4 + ;; + -svr3) + os=-sysv3 + ;; + -sysvr4) + os=-sysv4 + ;; + # This must come after -sysvr4. + -sysv*) + ;; + -ose*) + os=-ose + ;; + -es1800*) + os=-ose + ;; + -xenix) + os=-xenix + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + os=-mint + ;; + -aros*) + os=-aros + ;; + -zvmoe) + os=-zvmoe + ;; + -dicos*) + os=-dicos + ;; + -nacl*) + ;; + -none) + ;; + *) + # Get rid of the `-' at the beginning of $os. + os=`echo $os | sed 's/[^-]*-//'` + echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2 + exit 1 + ;; +esac +else + +# Here we handle the default operating systems that come with various machines. +# The value should be what the vendor currently ships out the door with their +# machine or put another way, the most popular os provided with the machine. + +# Note that if you're going to try to match "-MANUFACTURER" here (say, +# "-sun"), then you have to tell the case statement up towards the top +# that MANUFACTURER isn't an operating system. Otherwise, code above +# will signal an error saying that MANUFACTURER isn't an operating +# system, and we'll never get to this point. + +case $basic_machine in + score-*) + os=-elf + ;; + spu-*) + os=-elf + ;; + *-acorn) + os=-riscix1.2 + ;; + arm*-rebel) + os=-linux + ;; + arm*-semi) + os=-aout + ;; + c4x-* | tic4x-*) + os=-coff + ;; + c8051-*) + os=-elf + ;; + hexagon-*) + os=-elf + ;; + tic54x-*) + os=-coff + ;; + tic55x-*) + os=-coff + ;; + tic6x-*) + os=-coff + ;; + # This must come before the *-dec entry. + pdp10-*) + os=-tops20 + ;; + pdp11-*) + os=-none + ;; + *-dec | vax-*) + os=-ultrix4.2 + ;; + m68*-apollo) + os=-domain + ;; + i386-sun) + os=-sunos4.0.2 + ;; + m68000-sun) + os=-sunos3 + ;; + m68*-cisco) + os=-aout + ;; + mep-*) + os=-elf + ;; + mips*-cisco) + os=-elf + ;; + mips*-*) + os=-elf + ;; + or1k-*) + os=-elf + ;; + or32-*) + os=-coff + ;; + *-tti) # must be before sparc entry or we get the wrong os. + os=-sysv3 + ;; + sparc-* | *-sun) + os=-sunos4.1.1 + ;; + *-be) + os=-beos + ;; + *-haiku) + os=-haiku + ;; + *-ibm) + os=-aix + ;; + *-knuth) + os=-mmixware + ;; + *-wec) + os=-proelf + ;; + *-winbond) + os=-proelf + ;; + *-oki) + os=-proelf + ;; + *-hp) + os=-hpux + ;; + *-hitachi) + os=-hiux + ;; + i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent) + os=-sysv + ;; + *-cbm) + os=-amigaos + ;; + *-dg) + os=-dgux + ;; + *-dolphin) + os=-sysv3 + ;; + m68k-ccur) + os=-rtu + ;; + m88k-omron*) + os=-luna + ;; + *-next ) + os=-nextstep + ;; + *-sequent) + os=-ptx + ;; + *-crds) + os=-unos + ;; + *-ns) + os=-genix + ;; + i370-*) + os=-mvs + ;; + *-next) + os=-nextstep3 + ;; + *-gould) + os=-sysv + ;; + *-highlevel) + os=-bsd + ;; + *-encore) + os=-bsd + ;; + *-sgi) + os=-irix + ;; + *-siemens) + os=-sysv4 + ;; + *-masscomp) + os=-rtu + ;; + f30[01]-fujitsu | f700-fujitsu) + os=-uxpv + ;; + *-rom68k) + os=-coff + ;; + *-*bug) + os=-coff + ;; + *-apple) + os=-macos + ;; + *-atari*) + os=-mint + ;; + *) + os=-none + ;; +esac +fi + +# Here we handle the case where we know the os, and the CPU type, but not the +# manufacturer. We pick the logical manufacturer. +vendor=unknown +case $basic_machine in + *-unknown) + case $os in + -riscix*) + vendor=acorn + ;; + -sunos*) + vendor=sun + ;; + -cnk*|-aix*) + vendor=ibm + ;; + -beos*) + vendor=be + ;; + -hpux*) + vendor=hp + ;; + -mpeix*) + vendor=hp + ;; + -hiux*) + vendor=hitachi + ;; + -unos*) + vendor=crds + ;; + -dgux*) + vendor=dg + ;; + -luna*) + vendor=omron + ;; + -genix*) + vendor=ns + ;; + -mvs* | -opened*) + vendor=ibm + ;; + -os400*) + vendor=ibm + ;; + -ptx*) + vendor=sequent + ;; + -tpf*) + vendor=ibm + ;; + -vxsim* | -vxworks* | -windiss*) + vendor=wrs + ;; + -aux*) + vendor=apple + ;; + -hms*) + vendor=hitachi + ;; + -mpw* | -macos*) + vendor=apple + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + vendor=atari + ;; + -vos*) + vendor=stratus + ;; + esac + basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` + ;; +esac + +echo $basic_machine$os +exit + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/build/depcomp b/build/depcomp new file mode 100755 index 0000000..4ebd5b3 --- /dev/null +++ b/build/depcomp @@ -0,0 +1,791 @@ +#! /bin/sh +# depcomp - compile a program generating dependencies as side-effects + +scriptversion=2013-05-30.07; # UTC + +# Copyright (C) 1999-2013 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva . + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by 'PROGRAMS ARGS'. + object Object file output by 'PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputting dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + +# Get the directory component of the given path, and save it in the +# global variables '$dir'. Note that this directory component will +# be either empty or ending with a '/' character. This is deliberate. +set_dir_from () +{ + case $1 in + */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; + *) dir=;; + esac +} + +# Get the suffix-stripped basename of the given path, and save it the +# global variable '$base'. +set_base_from () +{ + base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` +} + +# If no dependency file was actually created by the compiler invocation, +# we still have to create a dummy depfile, to avoid errors with the +# Makefile "include basename.Plo" scheme. +make_dummy_depfile () +{ + echo "#dummy" > "$depfile" +} + +# Factor out some common post-processing of the generated depfile. +# Requires the auxiliary global variable '$tmpdepfile' to be set. +aix_post_process_depfile () +{ + # If the compiler actually managed to produce a dependency file, + # post-process it. + if test -f "$tmpdepfile"; then + # Each line is of the form 'foo.o: dependency.h'. + # Do two passes, one to just change these to + # $object: dependency.h + # and one to simply output + # dependency.h: + # which is needed to avoid the deleted-header problem. + { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" + sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" + } > "$depfile" + rm -f "$tmpdepfile" + else + make_dummy_depfile + fi +} + +# A tabulation character. +tab=' ' +# A newline character. +nl=' +' +# Character ranges might be problematic outside the C locale. +# These definitions help. +upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ +lower=abcdefghijklmnopqrstuvwxyz +digits=0123456789 +alpha=${upper}${lower} + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi + +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Avoid interferences from the environment. +gccflag= dashmflag= + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +cygpath_u="cygpath -u -f -" +if test "$depmode" = msvcmsys; then + # This is just like msvisualcpp but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvisualcpp +fi + +if test "$depmode" = msvc7msys; then + # This is just like msvc7 but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvc7 +fi + +if test "$depmode" = xlc; then + # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. + gccflag=-qmakedep=gcc,-MF + depmode=gcc +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. +## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. +## (see the conditional assignment to $gccflag above). +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). Also, it might not be +## supported by the other compilers which use the 'gcc' depmode. +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The second -e expression handles DOS-style file names with drive + # letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the "deleted header file" problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. +## Some versions of gcc put a space before the ':'. On the theory +## that the space means something, we add a space to the output as +## well. hp depmode also adds that space, but also prefixes the VPATH +## to the object. Take care to not repeat it in the output. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like '#:fec' to the end of the + # dependency line. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ + | tr "$nl" ' ' >> "$depfile" + echo >> "$depfile" + # The second pass generates a dummy entry for each header file. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" + ;; + +xlc) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts '$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.u + tmpdepfile2=$base.u + tmpdepfile3=$dir.libs/$base.u + "$@" -Wc,-M + else + tmpdepfile1=$dir$base.u + tmpdepfile2=$dir$base.u + tmpdepfile3=$dir$base.u + "$@" -M + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + aix_post_process_depfile + ;; + +tcc) + # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 + # FIXME: That version still under development at the moment of writing. + # Make that this statement remains true also for stable, released + # versions. + # It will wrap lines (doesn't matter whether long or short) with a + # trailing '\', as in: + # + # foo.o : \ + # foo.c \ + # foo.h \ + # + # It will put a trailing '\' even on the last line, and will use leading + # spaces rather than leading tabs (at least since its commit 0394caf7 + # "Emit spaces for -MD"). + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. + # We have to change lines of the first kind to '$object: \'. + sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" + # And for each line of the second kind, we have to emit a 'dep.h:' + # dummy dependency, to avoid the deleted-header problem. + sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" + rm -f "$tmpdepfile" + ;; + +## The order of this option in the case statement is important, since the +## shell code in configure will try each of these formats in the order +## listed in this file. A plain '-MD' option would be understood by many +## compilers, so we must ensure this comes after the gcc and icc options. +pgcc) + # Portland's C compiler understands '-MD'. + # Will always output deps to 'file.d' where file is the root name of the + # source file under compilation, even if file resides in a subdirectory. + # The object file name does not affect the name of the '.d' file. + # pgcc 10.2 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using '\' : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + set_dir_from "$object" + # Use the source, not the object, to determine the base name, since + # that's sadly what pgcc will do too. + set_base_from "$source" + tmpdepfile=$base.d + + # For projects that build the same source file twice into different object + # files, the pgcc approach of using the *source* file root name can cause + # problems in parallel builds. Use a locking strategy to avoid stomping on + # the same $tmpdepfile. + lockdir=$base.d-lock + trap " + echo '$0: caught signal, cleaning up...' >&2 + rmdir '$lockdir' + exit 1 + " 1 2 13 15 + numtries=100 + i=$numtries + while test $i -gt 0; do + # mkdir is a portable test-and-set. + if mkdir "$lockdir" 2>/dev/null; then + # This process acquired the lock. + "$@" -MD + stat=$? + # Release the lock. + rmdir "$lockdir" + break + else + # If the lock is being held by a different process, wait + # until the winning process is done or we timeout. + while test -d "$lockdir" && test $i -gt 0; do + sleep 1 + i=`expr $i - 1` + done + fi + i=`expr $i - 1` + done + trap - 1 2 13 15 + if test $i -le 0; then + echo "$0: failed to acquire lock after $numtries attempts" >&2 + echo "$0: check lockdir '$lockdir'" >&2 + exit 1 + fi + + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" + # Add 'dependent.h:' lines. + sed -ne '2,${ + s/^ *// + s/ \\*$// + s/$/:/ + p + }' "$tmpdepfile" >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in 'foo.d' instead, so we check for that too. + # Subdirectories are respected. + set_dir_from "$object" + set_base_from "$object" + + if test "$libtool" = yes; then + # Libtool generates 2 separate objects for the 2 libraries. These + # two compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir$base.o.d # libtool 1.5 + tmpdepfile2=$dir.libs/$base.o.d # Likewise. + tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + "$@" -MD + fi + + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + # Same post-processing that is required for AIX mode. + aix_post_process_depfile + ;; + +msvc7) + if test "$libtool" = yes; then + showIncludes=-Wc,-showIncludes + else + showIncludes=-showIncludes + fi + "$@" $showIncludes > "$tmpdepfile" + stat=$? + grep -v '^Note: including file: ' "$tmpdepfile" + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The first sed program below extracts the file names and escapes + # backslashes for cygpath. The second sed program outputs the file + # name when reading, but also accumulates all include files in the + # hold buffer in order to output them again at the end. This only + # works with sed implementations that can handle large buffers. + sed < "$tmpdepfile" -n ' +/^Note: including file: *\(.*\)/ { + s//\1/ + s/\\/\\\\/g + p +}' | $cygpath_u | sort -u | sed -n ' +s/ /\\ /g +s/\(.*\)/'"$tab"'\1 \\/p +s/.\(.*\) \\/\1:/ +H +$ { + s/.*/'"$tab"'/ + G + p +}' >> "$depfile" + echo >> "$depfile" # make sure the fragment doesn't end with a backslash + rm -f "$tmpdepfile" + ;; + +msvc7msys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for ':' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. + "$@" $dashmflag | + sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this sed invocation + # correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no eat=no + for arg + do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + if test $eat = yes; then + eat=no + continue + fi + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -arch) + eat=yes ;; + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix=`echo "$object" | sed 's/^.*\././'` + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + # makedepend may prepend the VPATH from the source file name to the object. + # No need to regex-escape $object, excess matching of '.' is harmless. + sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process the last invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed '1,2d' "$tmpdepfile" \ + | tr ' ' "$nl" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E \ + | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + | sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + IFS=" " + for arg + do + case "$arg" in + -o) + shift + ;; + $object) + shift + ;; + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E 2>/dev/null | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" + echo "$tab" >> "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvcmsys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/build/install-sh b/build/install-sh new file mode 100755 index 0000000..377bb86 --- /dev/null +++ b/build/install-sh @@ -0,0 +1,527 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2011-11-20.07; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# 'make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +nl=' +' +IFS=" "" $nl" + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit=${DOITPROG-} +if test -z "$doit"; then + doit_exec=exec +else + doit_exec=$doit +fi + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_glob='?' +initialize_posix_glob=' + test "$posix_glob" != "?" || { + if (set -f) 2>/dev/null; then + posix_glob= + else + posix_glob=: + fi + } +' + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +no_target_directory= + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve the last data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -s $stripprog installed files. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *' '* | *' +'* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -s) stripcmd=$stripprog;; + + -t) dst_arg=$2 + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + shift;; + + -T) no_target_directory=true;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call 'install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + do_exit='(exit $ret); exit $ret' + trap "ret=129; $do_exit" 1 + trap "ret=130; $do_exit" 2 + trap "ret=141; $do_exit" 13 + trap "ret=143; $do_exit" 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names problematic for 'test' and other utilities. + case $src in + -* | [=\(\)!]) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + dst=$dst_arg + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test -n "$no_target_directory"; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dst=$dstdir/`basename "$src"` + dstdir_status=0 + else + # Prefer dirname, but fall back on a substitute if dirname fails. + dstdir=` + (dirname "$dst") 2>/dev/null || + expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$dst" : 'X\(//\)[^/]' \| \ + X"$dst" : 'X\(//\)$' \| \ + X"$dst" : 'X\(/\)' \| . 2>/dev/null || + echo X"$dst" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q' + ` + + test -d "$dstdir" + dstdir_status=$? + fi + fi + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # Create intermediate dirs using mode 755 as modified by the umask. + # This is like FreeBSD 'install' as of 1997-10-28. + umask=`umask` + case $stripcmd.$umask in + # Optimize common cases. + *[2367][2367]) mkdir_umask=$umask;; + .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; + + *[0-7]) + mkdir_umask=`expr $umask + 22 \ + - $umask % 100 % 40 + $umask % 20 \ + - $umask % 10 % 4 + $umask % 2 + `;; + *) mkdir_umask=$umask,go-w;; + esac + + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + case $umask in + *[123567][0-7][0-7]) + # POSIX mkdir -p sets u+wx bits regardless of umask, which + # is incompatible with FreeBSD 'install' when (umask & 300) != 0. + ;; + *) + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 + + if (umask $mkdir_umask && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + ls_ld_tmpdir=`ls -ld "$tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/d" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null + fi + trap '' 0;; + esac;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # The umask is ridiculous, or mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + [-=\(\)!]*) prefix='./';; + *) prefix='';; + esac + + eval "$initialize_posix_glob" + + oIFS=$IFS + IFS=/ + $posix_glob set -f + set fnord $dstdir + shift + $posix_glob set +f + IFS=$oIFS + + prefixes= + + for d + do + test X"$d" = X && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask=$mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + + eval "$initialize_posix_glob" && + $posix_glob set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + $posix_glob set +f && + + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd -f "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/build/ltmain.sh b/build/ltmain.sh new file mode 100644 index 0000000..63ae69d --- /dev/null +++ b/build/ltmain.sh @@ -0,0 +1,9655 @@ + +# libtool (GNU libtool) 2.4.2 +# Written by Gordon Matzigkeit , 1996 + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, +# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, +# or obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +# Usage: $progname [OPTION]... [MODE-ARG]... +# +# Provide generalized library-building support services. +# +# --config show all configuration variables +# --debug enable verbose shell tracing +# -n, --dry-run display commands without modifying any files +# --features display basic configuration information and exit +# --mode=MODE use operation mode MODE +# --preserve-dup-deps don't remove duplicate dependency libraries +# --quiet, --silent don't print informational messages +# --no-quiet, --no-silent +# print informational messages (default) +# --no-warn don't display warning messages +# --tag=TAG use configuration variables from tag TAG +# -v, --verbose print more informational messages than default +# --no-verbose don't print the extra informational messages +# --version print version information +# -h, --help, --help-all print short, long, or detailed help message +# +# MODE must be one of the following: +# +# clean remove files from the build directory +# compile compile a source file into a libtool object +# execute automatically set library path, then run a program +# finish complete the installation of libtool libraries +# install install libraries or executables +# link create a library or an executable +# uninstall remove libraries from an installed directory +# +# MODE-ARGS vary depending on the MODE. When passed as first option, +# `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that. +# Try `$progname --help --mode=MODE' for a more detailed description of MODE. +# +# When reporting a bug, please describe a test case to reproduce it and +# include the following information: +# +# host-triplet: $host +# shell: $SHELL +# compiler: $LTCC +# compiler flags: $LTCFLAGS +# linker: $LD (gnu? $with_gnu_ld) +# $progname: (GNU libtool) 2.4.2 +# automake: $automake_version +# autoconf: $autoconf_version +# +# Report bugs to . +# GNU libtool home page: . +# General help using GNU software: . + +PROGRAM=libtool +PACKAGE=libtool +VERSION=2.4.2 +TIMESTAMP="" +package_revision=1.3337 + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + +# NLS nuisances: We save the old values to restore during execute mode. +lt_user_locale= +lt_safe_locale= +for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES +do + eval "if test \"\${$lt_var+set}\" = set; then + save_$lt_var=\$$lt_var + $lt_var=C + export $lt_var + lt_user_locale=\"$lt_var=\\\$save_\$lt_var; \$lt_user_locale\" + lt_safe_locale=\"$lt_var=C; \$lt_safe_locale\" + fi" +done +LC_ALL=C +LANGUAGE=C +export LANGUAGE LC_ALL + +$lt_unset CDPATH + + +# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh +# is ksh but when the shell is invoked as "sh" and the current value of +# the _XPG environment variable is not equal to 1 (one), the special +# positional parameter $0, within a function call, is the name of the +# function. +progpath="$0" + + + +: ${CP="cp -f"} +test "${ECHO+set}" = set || ECHO=${as_echo-'printf %s\n'} +: ${MAKE="make"} +: ${MKDIR="mkdir"} +: ${MV="mv -f"} +: ${RM="rm -f"} +: ${SHELL="${CONFIG_SHELL-/bin/sh}"} +: ${Xsed="$SED -e 1s/^X//"} + +# Global variables: +EXIT_SUCCESS=0 +EXIT_FAILURE=1 +EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. +EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. + +exit_status=$EXIT_SUCCESS + +# Make sure IFS has a sensible default +lt_nl=' +' +IFS=" $lt_nl" + +dirname="s,/[^/]*$,," +basename="s,^.*/,," + +# func_dirname file append nondir_replacement +# Compute the dirname of FILE. If nonempty, add APPEND to the result, +# otherwise set result to NONDIR_REPLACEMENT. +func_dirname () +{ + func_dirname_result=`$ECHO "${1}" | $SED "$dirname"` + if test "X$func_dirname_result" = "X${1}"; then + func_dirname_result="${3}" + else + func_dirname_result="$func_dirname_result${2}" + fi +} # func_dirname may be replaced by extended shell implementation + + +# func_basename file +func_basename () +{ + func_basename_result=`$ECHO "${1}" | $SED "$basename"` +} # func_basename may be replaced by extended shell implementation + + +# func_dirname_and_basename file append nondir_replacement +# perform func_basename and func_dirname in a single function +# call: +# dirname: Compute the dirname of FILE. If nonempty, +# add APPEND to the result, otherwise set result +# to NONDIR_REPLACEMENT. +# value returned in "$func_dirname_result" +# basename: Compute filename of FILE. +# value retuned in "$func_basename_result" +# Implementation must be kept synchronized with func_dirname +# and func_basename. For efficiency, we do not delegate to +# those functions but instead duplicate the functionality here. +func_dirname_and_basename () +{ + # Extract subdirectory from the argument. + func_dirname_result=`$ECHO "${1}" | $SED -e "$dirname"` + if test "X$func_dirname_result" = "X${1}"; then + func_dirname_result="${3}" + else + func_dirname_result="$func_dirname_result${2}" + fi + func_basename_result=`$ECHO "${1}" | $SED -e "$basename"` +} # func_dirname_and_basename may be replaced by extended shell implementation + + +# func_stripname prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# func_strip_suffix prefix name +func_stripname () +{ + case ${2} in + .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; + *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; + esac +} # func_stripname may be replaced by extended shell implementation + + +# These SED scripts presuppose an absolute path with a trailing slash. +pathcar='s,^/\([^/]*\).*$,\1,' +pathcdr='s,^/[^/]*,,' +removedotparts=':dotsl + s@/\./@/@g + t dotsl + s,/\.$,/,' +collapseslashes='s@/\{1,\}@/@g' +finalslash='s,/*$,/,' + +# func_normal_abspath PATH +# Remove doubled-up and trailing slashes, "." path components, +# and cancel out any ".." path components in PATH after making +# it an absolute path. +# value returned in "$func_normal_abspath_result" +func_normal_abspath () +{ + # Start from root dir and reassemble the path. + func_normal_abspath_result= + func_normal_abspath_tpath=$1 + func_normal_abspath_altnamespace= + case $func_normal_abspath_tpath in + "") + # Empty path, that just means $cwd. + func_stripname '' '/' "`pwd`" + func_normal_abspath_result=$func_stripname_result + return + ;; + # The next three entries are used to spot a run of precisely + # two leading slashes without using negated character classes; + # we take advantage of case's first-match behaviour. + ///*) + # Unusual form of absolute path, do nothing. + ;; + //*) + # Not necessarily an ordinary path; POSIX reserves leading '//' + # and for example Cygwin uses it to access remote file shares + # over CIFS/SMB, so we conserve a leading double slash if found. + func_normal_abspath_altnamespace=/ + ;; + /*) + # Absolute path, do nothing. + ;; + *) + # Relative path, prepend $cwd. + func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath + ;; + esac + # Cancel out all the simple stuff to save iterations. We also want + # the path to end with a slash for ease of parsing, so make sure + # there is one (and only one) here. + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$removedotparts" -e "$collapseslashes" -e "$finalslash"` + while :; do + # Processed it all yet? + if test "$func_normal_abspath_tpath" = / ; then + # If we ascended to the root using ".." the result may be empty now. + if test -z "$func_normal_abspath_result" ; then + func_normal_abspath_result=/ + fi + break + fi + func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$pathcar"` + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$pathcdr"` + # Figure out what to do with it + case $func_normal_abspath_tcomponent in + "") + # Trailing empty path component, ignore it. + ;; + ..) + # Parent dir; strip last assembled component from result. + func_dirname "$func_normal_abspath_result" + func_normal_abspath_result=$func_dirname_result + ;; + *) + # Actual path component, append it. + func_normal_abspath_result=$func_normal_abspath_result/$func_normal_abspath_tcomponent + ;; + esac + done + # Restore leading double-slash if one was found on entry. + func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result +} + +# func_relative_path SRCDIR DSTDIR +# generates a relative path from SRCDIR to DSTDIR, with a trailing +# slash if non-empty, suitable for immediately appending a filename +# without needing to append a separator. +# value returned in "$func_relative_path_result" +func_relative_path () +{ + func_relative_path_result= + func_normal_abspath "$1" + func_relative_path_tlibdir=$func_normal_abspath_result + func_normal_abspath "$2" + func_relative_path_tbindir=$func_normal_abspath_result + + # Ascend the tree starting from libdir + while :; do + # check if we have found a prefix of bindir + case $func_relative_path_tbindir in + $func_relative_path_tlibdir) + # found an exact match + func_relative_path_tcancelled= + break + ;; + $func_relative_path_tlibdir*) + # found a matching prefix + func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" + func_relative_path_tcancelled=$func_stripname_result + if test -z "$func_relative_path_result"; then + func_relative_path_result=. + fi + break + ;; + *) + func_dirname $func_relative_path_tlibdir + func_relative_path_tlibdir=${func_dirname_result} + if test "x$func_relative_path_tlibdir" = x ; then + # Have to descend all the way to the root! + func_relative_path_result=../$func_relative_path_result + func_relative_path_tcancelled=$func_relative_path_tbindir + break + fi + func_relative_path_result=../$func_relative_path_result + ;; + esac + done + + # Now calculate path; take care to avoid doubling-up slashes. + func_stripname '' '/' "$func_relative_path_result" + func_relative_path_result=$func_stripname_result + func_stripname '/' '/' "$func_relative_path_tcancelled" + if test "x$func_stripname_result" != x ; then + func_relative_path_result=${func_relative_path_result}/${func_stripname_result} + fi + + # Normalisation. If bindir is libdir, return empty string, + # else relative path ending with a slash; either way, target + # file name can be directly appended. + if test ! -z "$func_relative_path_result"; then + func_stripname './' '' "$func_relative_path_result/" + func_relative_path_result=$func_stripname_result + fi +} + +# The name of this program: +func_dirname_and_basename "$progpath" +progname=$func_basename_result + +# Make sure we have an absolute path for reexecution: +case $progpath in + [\\/]*|[A-Za-z]:\\*) ;; + *[\\/]*) + progdir=$func_dirname_result + progdir=`cd "$progdir" && pwd` + progpath="$progdir/$progname" + ;; + *) + save_IFS="$IFS" + IFS=${PATH_SEPARATOR-:} + for progdir in $PATH; do + IFS="$save_IFS" + test -x "$progdir/$progname" && break + done + IFS="$save_IFS" + test -n "$progdir" || progdir=`pwd` + progpath="$progdir/$progname" + ;; +esac + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +Xsed="${SED}"' -e 1s/^X//' +sed_quote_subst='s/\([`"$\\]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution that turns a string into a regex matching for the +# string literally. +sed_make_literal_regex='s,[].[^$\\*\/],\\&,g' + +# Sed substitution that converts a w32 file name or path +# which contains forward slashes, into one that contains +# (escaped) backslashes. A very naive implementation. +lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' + +# Re-`\' parameter expansions in output of double_quote_subst that were +# `\'-ed in input to the same. If an odd number of `\' preceded a '$' +# in input to double_quote_subst, that '$' was protected from expansion. +# Since each input `\' is now two `\'s, look for any number of runs of +# four `\'s followed by two `\'s and then a '$'. `\' that '$'. +bs='\\' +bs2='\\\\' +bs4='\\\\\\\\' +dollar='\$' +sed_double_backslash="\ + s/$bs4/&\\ +/g + s/^$bs2$dollar/$bs&/ + s/\\([^$bs]\\)$bs2$dollar/\\1$bs2$bs$dollar/g + s/\n//g" + +# Standard options: +opt_dry_run=false +opt_help=false +opt_quiet=false +opt_verbose=false +opt_warning=: + +# func_echo arg... +# Echo program name prefixed message, along with the current mode +# name if it has been set yet. +func_echo () +{ + $ECHO "$progname: ${opt_mode+$opt_mode: }$*" +} + +# func_verbose arg... +# Echo program name prefixed message in verbose mode only. +func_verbose () +{ + $opt_verbose && func_echo ${1+"$@"} + + # A bug in bash halts the script if the last line of a function + # fails when set -e is in force, so we need another command to + # work around that: + : +} + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + +# func_error arg... +# Echo program name prefixed message to standard error. +func_error () +{ + $ECHO "$progname: ${opt_mode+$opt_mode: }"${1+"$@"} 1>&2 +} + +# func_warning arg... +# Echo program name prefixed warning message to standard error. +func_warning () +{ + $opt_warning && $ECHO "$progname: ${opt_mode+$opt_mode: }warning: "${1+"$@"} 1>&2 + + # bash bug again: + : +} + +# func_fatal_error arg... +# Echo program name prefixed message to standard error, and exit. +func_fatal_error () +{ + func_error ${1+"$@"} + exit $EXIT_FAILURE +} + +# func_fatal_help arg... +# Echo program name prefixed message to standard error, followed by +# a help hint, and exit. +func_fatal_help () +{ + func_error ${1+"$@"} + func_fatal_error "$help" +} +help="Try \`$progname --help' for more information." ## default + + +# func_grep expression filename +# Check whether EXPRESSION matches any line of FILENAME, without output. +func_grep () +{ + $GREP "$1" "$2" >/dev/null 2>&1 +} + + +# func_mkdir_p directory-path +# Make sure the entire path to DIRECTORY-PATH is available. +func_mkdir_p () +{ + my_directory_path="$1" + my_dir_list= + + if test -n "$my_directory_path" && test "$opt_dry_run" != ":"; then + + # Protect directory names starting with `-' + case $my_directory_path in + -*) my_directory_path="./$my_directory_path" ;; + esac + + # While some portion of DIR does not yet exist... + while test ! -d "$my_directory_path"; do + # ...make a list in topmost first order. Use a colon delimited + # list incase some portion of path contains whitespace. + my_dir_list="$my_directory_path:$my_dir_list" + + # If the last portion added has no slash in it, the list is done + case $my_directory_path in */*) ;; *) break ;; esac + + # ...otherwise throw away the child directory and loop + my_directory_path=`$ECHO "$my_directory_path" | $SED -e "$dirname"` + done + my_dir_list=`$ECHO "$my_dir_list" | $SED 's,:*$,,'` + + save_mkdir_p_IFS="$IFS"; IFS=':' + for my_dir in $my_dir_list; do + IFS="$save_mkdir_p_IFS" + # mkdir can fail with a `File exist' error if two processes + # try to create one of the directories concurrently. Don't + # stop in that case! + $MKDIR "$my_dir" 2>/dev/null || : + done + IFS="$save_mkdir_p_IFS" + + # Bail out if we (or some other process) failed to create a directory. + test -d "$my_directory_path" || \ + func_fatal_error "Failed to create \`$1'" + fi +} + + +# func_mktempdir [string] +# Make a temporary directory that won't clash with other running +# libtool processes, and avoids race conditions if possible. If +# given, STRING is the basename for that directory. +func_mktempdir () +{ + my_template="${TMPDIR-/tmp}/${1-$progname}" + + if test "$opt_dry_run" = ":"; then + # Return a directory name, but don't create it in dry-run mode + my_tmpdir="${my_template}-$$" + else + + # If mktemp works, use that first and foremost + my_tmpdir=`mktemp -d "${my_template}-XXXXXXXX" 2>/dev/null` + + if test ! -d "$my_tmpdir"; then + # Failing that, at least try and use $RANDOM to avoid a race + my_tmpdir="${my_template}-${RANDOM-0}$$" + + save_mktempdir_umask=`umask` + umask 0077 + $MKDIR "$my_tmpdir" + umask $save_mktempdir_umask + fi + + # If we're not in dry-run mode, bomb out on failure + test -d "$my_tmpdir" || \ + func_fatal_error "cannot create temporary directory \`$my_tmpdir'" + fi + + $ECHO "$my_tmpdir" +} + + +# func_quote_for_eval arg +# Aesthetically quote ARG to be evaled later. +# This function returns two values: FUNC_QUOTE_FOR_EVAL_RESULT +# is double-quoted, suitable for a subsequent eval, whereas +# FUNC_QUOTE_FOR_EVAL_UNQUOTED_RESULT has merely all characters +# which are still active within double quotes backslashified. +func_quote_for_eval () +{ + case $1 in + *[\\\`\"\$]*) + func_quote_for_eval_unquoted_result=`$ECHO "$1" | $SED "$sed_quote_subst"` ;; + *) + func_quote_for_eval_unquoted_result="$1" ;; + esac + + case $func_quote_for_eval_unquoted_result in + # Double-quote args containing shell metacharacters to delay + # word splitting, command substitution and and variable + # expansion for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + func_quote_for_eval_result="\"$func_quote_for_eval_unquoted_result\"" + ;; + *) + func_quote_for_eval_result="$func_quote_for_eval_unquoted_result" + esac +} + + +# func_quote_for_expand arg +# Aesthetically quote ARG to be evaled later; same as above, +# but do not quote variable references. +func_quote_for_expand () +{ + case $1 in + *[\\\`\"]*) + my_arg=`$ECHO "$1" | $SED \ + -e "$double_quote_subst" -e "$sed_double_backslash"` ;; + *) + my_arg="$1" ;; + esac + + case $my_arg in + # Double-quote args containing shell metacharacters to delay + # word splitting and command substitution for a subsequent eval. + # Many Bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + my_arg="\"$my_arg\"" + ;; + esac + + func_quote_for_expand_result="$my_arg" +} + + +# func_show_eval cmd [fail_exp] +# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. +func_show_eval () +{ + my_cmd="$1" + my_fail_exp="${2-:}" + + ${opt_silent-false} || { + func_quote_for_expand "$my_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + if ${opt_dry_run-false}; then :; else + eval "$my_cmd" + my_status=$? + if test "$my_status" -eq 0; then :; else + eval "(exit $my_status); $my_fail_exp" + fi + fi +} + + +# func_show_eval_locale cmd [fail_exp] +# Unless opt_silent is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. Use the saved locale for evaluation. +func_show_eval_locale () +{ + my_cmd="$1" + my_fail_exp="${2-:}" + + ${opt_silent-false} || { + func_quote_for_expand "$my_cmd" + eval "func_echo $func_quote_for_expand_result" + } + + if ${opt_dry_run-false}; then :; else + eval "$lt_user_locale + $my_cmd" + my_status=$? + eval "$lt_safe_locale" + if test "$my_status" -eq 0; then :; else + eval "(exit $my_status); $my_fail_exp" + fi + fi +} + +# func_tr_sh +# Turn $1 into a string suitable for a shell variable name. +# Result is stored in $func_tr_sh_result. All characters +# not in the set a-zA-Z0-9_ are replaced with '_'. Further, +# if $1 begins with a digit, a '_' is prepended as well. +func_tr_sh () +{ + case $1 in + [0-9]* | *[!a-zA-Z0-9_]*) + func_tr_sh_result=`$ECHO "$1" | $SED 's/^\([0-9]\)/_\1/; s/[^a-zA-Z0-9_]/_/g'` + ;; + * ) + func_tr_sh_result=$1 + ;; + esac +} + + +# func_version +# Echo version message to standard output and exit. +func_version () +{ + $opt_debug + + $SED -n '/(C)/!b go + :more + /\./!{ + N + s/\n# / / + b more + } + :go + /^# '$PROGRAM' (GNU /,/# warranty; / { + s/^# // + s/^# *$// + s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/ + p + }' < "$progpath" + exit $? +} + +# func_usage +# Echo short help message to standard output and exit. +func_usage () +{ + $opt_debug + + $SED -n '/^# Usage:/,/^# *.*--help/ { + s/^# // + s/^# *$// + s/\$progname/'$progname'/ + p + }' < "$progpath" + echo + $ECHO "run \`$progname --help | more' for full usage" + exit $? +} + +# func_help [NOEXIT] +# Echo long help message to standard output and exit, +# unless 'noexit' is passed as argument. +func_help () +{ + $opt_debug + + $SED -n '/^# Usage:/,/# Report bugs to/ { + :print + s/^# // + s/^# *$// + s*\$progname*'$progname'* + s*\$host*'"$host"'* + s*\$SHELL*'"$SHELL"'* + s*\$LTCC*'"$LTCC"'* + s*\$LTCFLAGS*'"$LTCFLAGS"'* + s*\$LD*'"$LD"'* + s/\$with_gnu_ld/'"$with_gnu_ld"'/ + s/\$automake_version/'"`(${AUTOMAKE-automake} --version) 2>/dev/null |$SED 1q`"'/ + s/\$autoconf_version/'"`(${AUTOCONF-autoconf} --version) 2>/dev/null |$SED 1q`"'/ + p + d + } + /^# .* home page:/b print + /^# General help using/b print + ' < "$progpath" + ret=$? + if test -z "$1"; then + exit $ret + fi +} + +# func_missing_arg argname +# Echo program name prefixed message to standard error and set global +# exit_cmd. +func_missing_arg () +{ + $opt_debug + + func_error "missing argument for $1." + exit_cmd=exit +} + + +# func_split_short_opt shortopt +# Set func_split_short_opt_name and func_split_short_opt_arg shell +# variables after splitting SHORTOPT after the 2nd character. +func_split_short_opt () +{ + my_sed_short_opt='1s/^\(..\).*$/\1/;q' + my_sed_short_rest='1s/^..\(.*\)$/\1/;q' + + func_split_short_opt_name=`$ECHO "$1" | $SED "$my_sed_short_opt"` + func_split_short_opt_arg=`$ECHO "$1" | $SED "$my_sed_short_rest"` +} # func_split_short_opt may be replaced by extended shell implementation + + +# func_split_long_opt longopt +# Set func_split_long_opt_name and func_split_long_opt_arg shell +# variables after splitting LONGOPT at the `=' sign. +func_split_long_opt () +{ + my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q' + my_sed_long_arg='1s/^--[^=]*=//' + + func_split_long_opt_name=`$ECHO "$1" | $SED "$my_sed_long_opt"` + func_split_long_opt_arg=`$ECHO "$1" | $SED "$my_sed_long_arg"` +} # func_split_long_opt may be replaced by extended shell implementation + +exit_cmd=: + + + + + +magic="%%%MAGIC variable%%%" +magic_exe="%%%MAGIC EXE variable%%%" + +# Global variables. +nonopt= +preserve_args= +lo2o="s/\\.lo\$/.${objext}/" +o2lo="s/\\.${objext}\$/.lo/" +extracted_archives= +extracted_serial=0 + +# If this variable is set in any of the actions, the command in it +# will be execed at the end. This prevents here-documents from being +# left over by shells. +exec_cmd= + +# func_append var value +# Append VALUE to the end of shell variable VAR. +func_append () +{ + eval "${1}=\$${1}\${2}" +} # func_append may be replaced by extended shell implementation + +# func_append_quoted var value +# Quote VALUE and append to the end of shell variable VAR, separated +# by a space. +func_append_quoted () +{ + func_quote_for_eval "${2}" + eval "${1}=\$${1}\\ \$func_quote_for_eval_result" +} # func_append_quoted may be replaced by extended shell implementation + + +# func_arith arithmetic-term... +func_arith () +{ + func_arith_result=`expr "${@}"` +} # func_arith may be replaced by extended shell implementation + + +# func_len string +# STRING may not start with a hyphen. +func_len () +{ + func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` +} # func_len may be replaced by extended shell implementation + + +# func_lo2o object +func_lo2o () +{ + func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` +} # func_lo2o may be replaced by extended shell implementation + + +# func_xform libobj-or-source +func_xform () +{ + func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` +} # func_xform may be replaced by extended shell implementation + + +# func_fatal_configuration arg... +# Echo program name prefixed message to standard error, followed by +# a configuration failure hint, and exit. +func_fatal_configuration () +{ + func_error ${1+"$@"} + func_error "See the $PACKAGE documentation for more information." + func_fatal_error "Fatal configuration error." +} + + +# func_config +# Display the configuration for all the tags in this script. +func_config () +{ + re_begincf='^# ### BEGIN LIBTOOL' + re_endcf='^# ### END LIBTOOL' + + # Default configuration. + $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" + + # Now print the configurations for the tags. + for tagname in $taglist; do + $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" + done + + exit $? +} + +# func_features +# Display the features supported by this script. +func_features () +{ + echo "host: $host" + if test "$build_libtool_libs" = yes; then + echo "enable shared libraries" + else + echo "disable shared libraries" + fi + if test "$build_old_libs" = yes; then + echo "enable static libraries" + else + echo "disable static libraries" + fi + + exit $? +} + +# func_enable_tag tagname +# Verify that TAGNAME is valid, and either flag an error and exit, or +# enable the TAGNAME tag. We also add TAGNAME to the global $taglist +# variable here. +func_enable_tag () +{ + # Global variable: + tagname="$1" + + re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" + re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" + sed_extractcf="/$re_begincf/,/$re_endcf/p" + + # Validate tagname. + case $tagname in + *[!-_A-Za-z0-9,/]*) + func_fatal_error "invalid tag name: $tagname" + ;; + esac + + # Don't test for the "default" C tag, as we know it's + # there but not specially marked. + case $tagname in + CC) ;; + *) + if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then + taglist="$taglist $tagname" + + # Evaluate the configuration. Be careful to quote the path + # and the sed script, to avoid splitting on whitespace, but + # also don't use non-portable quotes within backquotes within + # quotes we have to do it in 2 steps: + extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` + eval "$extractedcf" + else + func_error "ignoring unknown tag $tagname" + fi + ;; + esac +} + +# func_check_version_match +# Ensure that we are using m4 macros, and libtool script from the same +# release of libtool. +func_check_version_match () +{ + if test "$package_revision" != "$macro_revision"; then + if test "$VERSION" != "$macro_version"; then + if test -z "$macro_version"; then + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from an older release. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + fi + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, +$progname: but the definition of this LT_INIT comes from revision $macro_revision. +$progname: You should recreate aclocal.m4 with macros from revision $package_revision +$progname: of $PACKAGE $VERSION and run autoconf again. +_LT_EOF + fi + + exit $EXIT_MISMATCH + fi +} + + +# Shorthand for --mode=foo, only valid as the first argument +case $1 in +clean|clea|cle|cl) + shift; set dummy --mode clean ${1+"$@"}; shift + ;; +compile|compil|compi|comp|com|co|c) + shift; set dummy --mode compile ${1+"$@"}; shift + ;; +execute|execut|execu|exec|exe|ex|e) + shift; set dummy --mode execute ${1+"$@"}; shift + ;; +finish|finis|fini|fin|fi|f) + shift; set dummy --mode finish ${1+"$@"}; shift + ;; +install|instal|insta|inst|ins|in|i) + shift; set dummy --mode install ${1+"$@"}; shift + ;; +link|lin|li|l) + shift; set dummy --mode link ${1+"$@"}; shift + ;; +uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) + shift; set dummy --mode uninstall ${1+"$@"}; shift + ;; +esac + + + +# Option defaults: +opt_debug=: +opt_dry_run=false +opt_config=false +opt_preserve_dup_deps=false +opt_features=false +opt_finish=false +opt_help=false +opt_help_all=false +opt_silent=: +opt_warning=: +opt_verbose=: +opt_silent=false +opt_verbose=false + + +# Parse options once, thoroughly. This comes as soon as possible in the +# script to make things like `--version' happen as quickly as we can. +{ + # this just eases exit handling + while test $# -gt 0; do + opt="$1" + shift + case $opt in + --debug|-x) opt_debug='set -x' + func_echo "enabling shell trace mode" + $opt_debug + ;; + --dry-run|--dryrun|-n) + opt_dry_run=: + ;; + --config) + opt_config=: +func_config + ;; + --dlopen|-dlopen) + optarg="$1" + opt_dlopen="${opt_dlopen+$opt_dlopen +}$optarg" + shift + ;; + --preserve-dup-deps) + opt_preserve_dup_deps=: + ;; + --features) + opt_features=: +func_features + ;; + --finish) + opt_finish=: +set dummy --mode finish ${1+"$@"}; shift + ;; + --help) + opt_help=: + ;; + --help-all) + opt_help_all=: +opt_help=': help-all' + ;; + --mode) + test $# = 0 && func_missing_arg $opt && break + optarg="$1" + opt_mode="$optarg" +case $optarg in + # Valid mode arguments: + clean|compile|execute|finish|install|link|relink|uninstall) ;; + + # Catch anything else as an error + *) func_error "invalid argument for $opt" + exit_cmd=exit + break + ;; +esac + shift + ;; + --no-silent|--no-quiet) + opt_silent=false +func_append preserve_args " $opt" + ;; + --no-warning|--no-warn) + opt_warning=false +func_append preserve_args " $opt" + ;; + --no-verbose) + opt_verbose=false +func_append preserve_args " $opt" + ;; + --silent|--quiet) + opt_silent=: +func_append preserve_args " $opt" + opt_verbose=false + ;; + --verbose|-v) + opt_verbose=: +func_append preserve_args " $opt" +opt_silent=false + ;; + --tag) + test $# = 0 && func_missing_arg $opt && break + optarg="$1" + opt_tag="$optarg" +func_append preserve_args " $opt $optarg" +func_enable_tag "$optarg" + shift + ;; + + -\?|-h) func_usage ;; + --help) func_help ;; + --version) func_version ;; + + # Separate optargs to long options: + --*=*) + func_split_long_opt "$opt" + set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} + shift + ;; + + # Separate non-argument short options: + -\?*|-h*|-n*|-v*) + func_split_short_opt "$opt" + set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} + shift + ;; + + --) break ;; + -*) func_fatal_help "unrecognized option \`$opt'" ;; + *) set dummy "$opt" ${1+"$@"}; shift; break ;; + esac + done + + # Validate options: + + # save first non-option argument + if test "$#" -gt 0; then + nonopt="$opt" + shift + fi + + # preserve --debug + test "$opt_debug" = : || func_append preserve_args " --debug" + + case $host in + *cygwin* | *mingw* | *pw32* | *cegcc*) + # don't eliminate duplications in $postdeps and $predeps + opt_duplicate_compiler_generated_deps=: + ;; + *) + opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps + ;; + esac + + $opt_help || { + # Sanity checks first: + func_check_version_match + + if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then + func_fatal_configuration "not configured to build any kind of library" + fi + + # Darwin sucks + eval std_shrext=\"$shrext_cmds\" + + # Only execute mode is allowed to have -dlopen flags. + if test -n "$opt_dlopen" && test "$opt_mode" != execute; then + func_error "unrecognized option \`-dlopen'" + $ECHO "$help" 1>&2 + exit $EXIT_FAILURE + fi + + # Change the help message to a mode-specific one. + generic_help="$help" + help="Try \`$progname --help --mode=$opt_mode' for more information." + } + + + # Bail if the options were screwed + $exit_cmd $EXIT_FAILURE +} + + + + +## ----------- ## +## Main. ## +## ----------- ## + +# func_lalib_p file +# True iff FILE is a libtool `.la' library or `.lo' object file. +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_lalib_p () +{ + test -f "$1" && + $SED -e 4q "$1" 2>/dev/null \ + | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 +} + +# func_lalib_unsafe_p file +# True iff FILE is a libtool `.la' library or `.lo' object file. +# This function implements the same check as func_lalib_p without +# resorting to external programs. To this end, it redirects stdin and +# closes it afterwards, without saving the original file descriptor. +# As a safety measure, use it only where a negative result would be +# fatal anyway. Works if `file' does not exist. +func_lalib_unsafe_p () +{ + lalib_p=no + if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then + for lalib_p_l in 1 2 3 4 + do + read lalib_p_line + case "$lalib_p_line" in + \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; + esac + done + exec 0<&5 5<&- + fi + test "$lalib_p" = yes +} + +# func_ltwrapper_script_p file +# True iff FILE is a libtool wrapper script +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_script_p () +{ + func_lalib_p "$1" +} + +# func_ltwrapper_executable_p file +# True iff FILE is a libtool wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_executable_p () +{ + func_ltwrapper_exec_suffix= + case $1 in + *.exe) ;; + *) func_ltwrapper_exec_suffix=.exe ;; + esac + $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 +} + +# func_ltwrapper_scriptname file +# Assumes file is an ltwrapper_executable +# uses $file to determine the appropriate filename for a +# temporary ltwrapper_script. +func_ltwrapper_scriptname () +{ + func_dirname_and_basename "$1" "" "." + func_stripname '' '.exe' "$func_basename_result" + func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" +} + +# func_ltwrapper_p file +# True iff FILE is a libtool wrapper script or wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_p () +{ + func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" +} + + +# func_execute_cmds commands fail_cmd +# Execute tilde-delimited COMMANDS. +# If FAIL_CMD is given, eval that upon failure. +# FAIL_CMD may read-access the current command in variable CMD! +func_execute_cmds () +{ + $opt_debug + save_ifs=$IFS; IFS='~' + for cmd in $1; do + IFS=$save_ifs + eval cmd=\"$cmd\" + func_show_eval "$cmd" "${2-:}" + done + IFS=$save_ifs +} + + +# func_source file +# Source FILE, adding directory component if necessary. +# Note that it is not necessary on cygwin/mingw to append a dot to +# FILE even if both FILE and FILE.exe exist: automatic-append-.exe +# behavior happens only for exec(3), not for open(2)! Also, sourcing +# `FILE.' does not work on cygwin managed mounts. +func_source () +{ + $opt_debug + case $1 in + */* | *\\*) . "$1" ;; + *) . "./$1" ;; + esac +} + + +# func_resolve_sysroot PATH +# Replace a leading = in PATH with a sysroot. Store the result into +# func_resolve_sysroot_result +func_resolve_sysroot () +{ + func_resolve_sysroot_result=$1 + case $func_resolve_sysroot_result in + =*) + func_stripname '=' '' "$func_resolve_sysroot_result" + func_resolve_sysroot_result=$lt_sysroot$func_stripname_result + ;; + esac +} + +# func_replace_sysroot PATH +# If PATH begins with the sysroot, replace it with = and +# store the result into func_replace_sysroot_result. +func_replace_sysroot () +{ + case "$lt_sysroot:$1" in + ?*:"$lt_sysroot"*) + func_stripname "$lt_sysroot" '' "$1" + func_replace_sysroot_result="=$func_stripname_result" + ;; + *) + # Including no sysroot. + func_replace_sysroot_result=$1 + ;; + esac +} + +# func_infer_tag arg +# Infer tagged configuration to use if any are available and +# if one wasn't chosen via the "--tag" command line option. +# Only attempt this if the compiler in the base compile +# command doesn't match the default compiler. +# arg is usually of the form 'gcc ...' +func_infer_tag () +{ + $opt_debug + if test -n "$available_tags" && test -z "$tagname"; then + CC_quoted= + for arg in $CC; do + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case $@ in + # Blanks in the command may have been stripped by the calling shell, + # but not from the CC environment variable when configure was run. + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; + # Blanks at the start of $base_compile will cause this to fail + # if we don't check for them as well. + *) + for z in $available_tags; do + if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then + # Evaluate the configuration. + eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" + CC_quoted= + for arg in $CC; do + # Double-quote args containing other shell metacharacters. + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case "$@ " in + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) + # The compiler in the base compile command matches + # the one in the tagged configuration. + # Assume this is the tagged configuration we want. + tagname=$z + break + ;; + esac + fi + done + # If $tagname still isn't set, then no tagged configuration + # was found and let the user know that the "--tag" command + # line option must be used. + if test -z "$tagname"; then + func_echo "unable to infer tagged configuration" + func_fatal_error "specify a tag with \`--tag'" +# else +# func_verbose "using $tagname tagged configuration" + fi + ;; + esac + fi +} + + + +# func_write_libtool_object output_name pic_name nonpic_name +# Create a libtool object file (analogous to a ".la" file), +# but don't create it if we're doing a dry run. +func_write_libtool_object () +{ + write_libobj=${1} + if test "$build_libtool_libs" = yes; then + write_lobj=\'${2}\' + else + write_lobj=none + fi + + if test "$build_old_libs" = yes; then + write_oldobj=\'${3}\' + else + write_oldobj=none + fi + + $opt_dry_run || { + cat >${write_libobj}T </dev/null` + if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then + func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | + $SED -e "$lt_sed_naive_backslashify"` + else + func_convert_core_file_wine_to_w32_result= + fi + fi +} +# end: func_convert_core_file_wine_to_w32 + + +# func_convert_core_path_wine_to_w32 ARG +# Helper function used by path conversion functions when $build is *nix, and +# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly +# configured wine environment available, with the winepath program in $build's +# $PATH. Assumes ARG has no leading or trailing path separator characters. +# +# ARG is path to be converted from $build format to win32. +# Result is available in $func_convert_core_path_wine_to_w32_result. +# Unconvertible file (directory) names in ARG are skipped; if no directory names +# are convertible, then the result may be empty. +func_convert_core_path_wine_to_w32 () +{ + $opt_debug + # unfortunately, winepath doesn't convert paths, only file names + func_convert_core_path_wine_to_w32_result="" + if test -n "$1"; then + oldIFS=$IFS + IFS=: + for func_convert_core_path_wine_to_w32_f in $1; do + IFS=$oldIFS + func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" + if test -n "$func_convert_core_file_wine_to_w32_result" ; then + if test -z "$func_convert_core_path_wine_to_w32_result"; then + func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" + else + func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" + fi + fi + done + IFS=$oldIFS + fi +} +# end: func_convert_core_path_wine_to_w32 + + +# func_cygpath ARGS... +# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when +# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) +# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or +# (2), returns the Cygwin file name or path in func_cygpath_result (input +# file name or path is assumed to be in w32 format, as previously converted +# from $build's *nix or MSYS format). In case (3), returns the w32 file name +# or path in func_cygpath_result (input file name or path is assumed to be in +# Cygwin format). Returns an empty string on error. +# +# ARGS are passed to cygpath, with the last one being the file name or path to +# be converted. +# +# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH +# environment variable; do not put it in $PATH. +func_cygpath () +{ + $opt_debug + if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then + func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` + if test "$?" -ne 0; then + # on failure, ensure result is empty + func_cygpath_result= + fi + else + func_cygpath_result= + func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" + fi +} +#end: func_cygpath + + +# func_convert_core_msys_to_w32 ARG +# Convert file name or path ARG from MSYS format to w32 format. Return +# result in func_convert_core_msys_to_w32_result. +func_convert_core_msys_to_w32 () +{ + $opt_debug + # awkward: cmd appends spaces to result + func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | + $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` +} +#end: func_convert_core_msys_to_w32 + + +# func_convert_file_check ARG1 ARG2 +# Verify that ARG1 (a file name in $build format) was converted to $host +# format in ARG2. Otherwise, emit an error message, but continue (resetting +# func_to_host_file_result to ARG1). +func_convert_file_check () +{ + $opt_debug + if test -z "$2" && test -n "$1" ; then + func_error "Could not determine host file name corresponding to" + func_error " \`$1'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback: + func_to_host_file_result="$1" + fi +} +# end func_convert_file_check + + +# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH +# Verify that FROM_PATH (a path in $build format) was converted to $host +# format in TO_PATH. Otherwise, emit an error message, but continue, resetting +# func_to_host_file_result to a simplistic fallback value (see below). +func_convert_path_check () +{ + $opt_debug + if test -z "$4" && test -n "$3"; then + func_error "Could not determine the host path corresponding to" + func_error " \`$3'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback. This is a deliberately simplistic "conversion" and + # should not be "improved". See libtool.info. + if test "x$1" != "x$2"; then + lt_replace_pathsep_chars="s|$1|$2|g" + func_to_host_path_result=`echo "$3" | + $SED -e "$lt_replace_pathsep_chars"` + else + func_to_host_path_result="$3" + fi + fi +} +# end func_convert_path_check + + +# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG +# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT +# and appending REPL if ORIG matches BACKPAT. +func_convert_path_front_back_pathsep () +{ + $opt_debug + case $4 in + $1 ) func_to_host_path_result="$3$func_to_host_path_result" + ;; + esac + case $4 in + $2 ) func_append func_to_host_path_result "$3" + ;; + esac +} +# end func_convert_path_front_back_pathsep + + +################################################## +# $build to $host FILE NAME CONVERSION FUNCTIONS # +################################################## +# invoked via `$to_host_file_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# Result will be available in $func_to_host_file_result. + + +# func_to_host_file ARG +# Converts the file name ARG from $build format to $host format. Return result +# in func_to_host_file_result. +func_to_host_file () +{ + $opt_debug + $to_host_file_cmd "$1" +} +# end func_to_host_file + + +# func_to_tool_file ARG LAZY +# converts the file name ARG from $build format to toolchain format. Return +# result in func_to_tool_file_result. If the conversion in use is listed +# in (the comma separated) LAZY, no conversion takes place. +func_to_tool_file () +{ + $opt_debug + case ,$2, in + *,"$to_tool_file_cmd",*) + func_to_tool_file_result=$1 + ;; + *) + $to_tool_file_cmd "$1" + func_to_tool_file_result=$func_to_host_file_result + ;; + esac +} +# end func_to_tool_file + + +# func_convert_file_noop ARG +# Copy ARG to func_to_host_file_result. +func_convert_file_noop () +{ + func_to_host_file_result="$1" +} +# end func_convert_file_noop + + +# func_convert_file_msys_to_w32 ARG +# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_file_result. +func_convert_file_msys_to_w32 () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_to_host_file_result="$func_convert_core_msys_to_w32_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_w32 + + +# func_convert_file_cygwin_to_w32 ARG +# Convert file name ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_file_cygwin_to_w32 () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + # because $build is cygwin, we call "the" cygpath in $PATH; no need to use + # LT_CYGPATH in this case. + func_to_host_file_result=`cygpath -m "$1"` + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_cygwin_to_w32 + + +# func_convert_file_nix_to_w32 ARG +# Convert file name ARG from *nix to w32 format. Requires a wine environment +# and a working winepath. Returns result in func_to_host_file_result. +func_convert_file_nix_to_w32 () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + func_convert_core_file_wine_to_w32 "$1" + func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_w32 + + +# func_convert_file_msys_to_cygwin ARG +# Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_file_msys_to_cygwin () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_cygpath -u "$func_convert_core_msys_to_w32_result" + func_to_host_file_result="$func_cygpath_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_cygwin + + +# func_convert_file_nix_to_cygwin ARG +# Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed +# in a wine environment, working winepath, and LT_CYGPATH set. Returns result +# in func_to_host_file_result. +func_convert_file_nix_to_cygwin () +{ + $opt_debug + func_to_host_file_result="$1" + if test -n "$1"; then + # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. + func_convert_core_file_wine_to_w32 "$1" + func_cygpath -u "$func_convert_core_file_wine_to_w32_result" + func_to_host_file_result="$func_cygpath_result" + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_cygwin + + +############################################# +# $build to $host PATH CONVERSION FUNCTIONS # +############################################# +# invoked via `$to_host_path_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# The result will be available in $func_to_host_path_result. +# +# Path separators are also converted from $build format to $host format. If +# ARG begins or ends with a path separator character, it is preserved (but +# converted to $host format) on output. +# +# All path conversion functions are named using the following convention: +# file name conversion function : func_convert_file_X_to_Y () +# path conversion function : func_convert_path_X_to_Y () +# where, for any given $build/$host combination the 'X_to_Y' value is the +# same. If conversion functions are added for new $build/$host combinations, +# the two new functions must follow this pattern, or func_init_to_host_path_cmd +# will break. + + +# func_init_to_host_path_cmd +# Ensures that function "pointer" variable $to_host_path_cmd is set to the +# appropriate value, based on the value of $to_host_file_cmd. +to_host_path_cmd= +func_init_to_host_path_cmd () +{ + $opt_debug + if test -z "$to_host_path_cmd"; then + func_stripname 'func_convert_file_' '' "$to_host_file_cmd" + to_host_path_cmd="func_convert_path_${func_stripname_result}" + fi +} + + +# func_to_host_path ARG +# Converts the path ARG from $build format to $host format. Return result +# in func_to_host_path_result. +func_to_host_path () +{ + $opt_debug + func_init_to_host_path_cmd + $to_host_path_cmd "$1" +} +# end func_to_host_path + + +# func_convert_path_noop ARG +# Copy ARG to func_to_host_path_result. +func_convert_path_noop () +{ + func_to_host_path_result="$1" +} +# end func_convert_path_noop + + +# func_convert_path_msys_to_w32 ARG +# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_path_result. +func_convert_path_msys_to_w32 () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # Remove leading and trailing path separator characters from ARG. MSYS + # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; + # and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result="$func_convert_core_msys_to_w32_result" + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_msys_to_w32 + + +# func_convert_path_cygwin_to_w32 ARG +# Convert path ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_path_cygwin_to_w32 () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_cygwin_to_w32 + + +# func_convert_path_nix_to_w32 ARG +# Convert path ARG from *nix to w32 format. Requires a wine environment and +# a working winepath. Returns result in func_to_host_file_result. +func_convert_path_nix_to_w32 () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_nix_to_w32 + + +# func_convert_path_msys_to_cygwin ARG +# Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_path_msys_to_cygwin () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_msys_to_w32_result" + func_to_host_path_result="$func_cygpath_result" + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_msys_to_cygwin + + +# func_convert_path_nix_to_cygwin ARG +# Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a +# a wine environment, working winepath, and LT_CYGPATH set. Returns result in +# func_to_host_file_result. +func_convert_path_nix_to_cygwin () +{ + $opt_debug + func_to_host_path_result="$1" + if test -n "$1"; then + # Remove leading and trailing path separator characters from + # ARG. msys behavior is inconsistent here, cygpath turns them + # into '.;' and ';.', and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" + func_to_host_path_result="$func_cygpath_result" + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_nix_to_cygwin + + +# func_mode_compile arg... +func_mode_compile () +{ + $opt_debug + # Get the compilation command and the source file. + base_compile= + srcfile="$nonopt" # always keep a non-empty value in "srcfile" + suppress_opt=yes + suppress_output= + arg_mode=normal + libobj= + later= + pie_flag= + + for arg + do + case $arg_mode in + arg ) + # do not "continue". Instead, add this to base_compile + lastarg="$arg" + arg_mode=normal + ;; + + target ) + libobj="$arg" + arg_mode=normal + continue + ;; + + normal ) + # Accept any command-line options. + case $arg in + -o) + test -n "$libobj" && \ + func_fatal_error "you cannot specify \`-o' more than once" + arg_mode=target + continue + ;; + + -pie | -fpie | -fPIE) + func_append pie_flag " $arg" + continue + ;; + + -shared | -static | -prefer-pic | -prefer-non-pic) + func_append later " $arg" + continue + ;; + + -no-suppress) + suppress_opt=no + continue + ;; + + -Xcompiler) + arg_mode=arg # the next one goes into the "base_compile" arg list + continue # The current "srcfile" will either be retained or + ;; # replaced later. I would guess that would be a bug. + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + lastarg= + save_ifs="$IFS"; IFS=',' + for arg in $args; do + IFS="$save_ifs" + func_append_quoted lastarg "$arg" + done + IFS="$save_ifs" + func_stripname ' ' '' "$lastarg" + lastarg=$func_stripname_result + + # Add the arguments to base_compile. + func_append base_compile " $lastarg" + continue + ;; + + *) + # Accept the current argument as the source file. + # The previous "srcfile" becomes the current argument. + # + lastarg="$srcfile" + srcfile="$arg" + ;; + esac # case $arg + ;; + esac # case $arg_mode + + # Aesthetically quote the previous argument. + func_append_quoted base_compile "$lastarg" + done # for arg + + case $arg_mode in + arg) + func_fatal_error "you must specify an argument for -Xcompile" + ;; + target) + func_fatal_error "you must specify a target with \`-o'" + ;; + *) + # Get the name of the library object. + test -z "$libobj" && { + func_basename "$srcfile" + libobj="$func_basename_result" + } + ;; + esac + + # Recognize several different file suffixes. + # If the user specifies -o file.o, it is replaced with file.lo + case $libobj in + *.[cCFSifmso] | \ + *.ada | *.adb | *.ads | *.asm | \ + *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ + *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) + func_xform "$libobj" + libobj=$func_xform_result + ;; + esac + + case $libobj in + *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; + *) + func_fatal_error "cannot determine name of library object from \`$libobj'" + ;; + esac + + func_infer_tag $base_compile + + for arg in $later; do + case $arg in + -shared) + test "$build_libtool_libs" != yes && \ + func_fatal_configuration "can not build a shared library" + build_old_libs=no + continue + ;; + + -static) + build_libtool_libs=no + build_old_libs=yes + continue + ;; + + -prefer-pic) + pic_mode=yes + continue + ;; + + -prefer-non-pic) + pic_mode=no + continue + ;; + esac + done + + func_quote_for_eval "$libobj" + test "X$libobj" != "X$func_quote_for_eval_result" \ + && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ + && func_warning "libobj name \`$libobj' may not contain shell special characters." + func_dirname_and_basename "$obj" "/" "" + objname="$func_basename_result" + xdir="$func_dirname_result" + lobj=${xdir}$objdir/$objname + + test -z "$base_compile" && \ + func_fatal_help "you must specify a compilation command" + + # Delete any leftover library objects. + if test "$build_old_libs" = yes; then + removelist="$obj $lobj $libobj ${libobj}T" + else + removelist="$lobj $libobj ${libobj}T" + fi + + # On Cygwin there's no "real" PIC flag so we must build both object types + case $host_os in + cygwin* | mingw* | pw32* | os2* | cegcc*) + pic_mode=default + ;; + esac + if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then + # non-PIC code in shared libraries is not supported + pic_mode=default + fi + + # Calculate the filename of the output object if compiler does + # not support -o with -c + if test "$compiler_c_o" = no; then + output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} + lockfile="$output_obj.lock" + else + output_obj= + need_locks=no + lockfile= + fi + + # Lock this critical section if it is needed + # We use this script file to make the link, it avoids creating a new file + if test "$need_locks" = yes; then + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + elif test "$need_locks" = warn; then + if test -f "$lockfile"; then + $ECHO "\ +*** ERROR, $lockfile exists and contains: +`cat $lockfile 2>/dev/null` + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + func_append removelist " $output_obj" + $ECHO "$srcfile" > "$lockfile" + fi + + $opt_dry_run || $RM $removelist + func_append removelist " $lockfile" + trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 + + func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 + srcfile=$func_to_tool_file_result + func_quote_for_eval "$srcfile" + qsrcfile=$func_quote_for_eval_result + + # Only build a PIC object if we are building libtool libraries. + if test "$build_libtool_libs" = yes; then + # Without this assignment, base_compile gets emptied. + fbsd_hideous_sh_bug=$base_compile + + if test "$pic_mode" != no; then + command="$base_compile $qsrcfile $pic_flag" + else + # Don't build PIC code + command="$base_compile $qsrcfile" + fi + + func_mkdir_p "$xdir$objdir" + + if test -z "$output_obj"; then + # Place PIC objects in $objdir + func_append command " -o $lobj" + fi + + func_show_eval_locale "$command" \ + 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' + + if test "$need_locks" = warn && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed, then go on to compile the next one + if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then + func_show_eval '$MV "$output_obj" "$lobj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + + # Allow error messages only from the first compilation. + if test "$suppress_opt" = yes; then + suppress_output=' >/dev/null 2>&1' + fi + fi + + # Only build a position-dependent object if we build old libraries. + if test "$build_old_libs" = yes; then + if test "$pic_mode" != yes; then + # Don't build PIC code + command="$base_compile $qsrcfile$pie_flag" + else + command="$base_compile $qsrcfile $pic_flag" + fi + if test "$compiler_c_o" = yes; then + func_append command " -o $obj" + fi + + # Suppress compiler output if we already did a PIC compilation. + func_append command "$suppress_output" + func_show_eval_locale "$command" \ + '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' + + if test "$need_locks" = warn && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support \`-c' and \`-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed + if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then + func_show_eval '$MV "$output_obj" "$obj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + fi + + $opt_dry_run || { + func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" + + # Unlock the critical section if it was locked + if test "$need_locks" != no; then + removelist=$lockfile + $RM "$lockfile" + fi + } + + exit $EXIT_SUCCESS +} + +$opt_help || { + test "$opt_mode" = compile && func_mode_compile ${1+"$@"} +} + +func_mode_help () +{ + # We need to display help for each of the modes. + case $opt_mode in + "") + # Generic help is extracted from the usage comments + # at the start of this file. + func_help + ;; + + clean) + $ECHO \ +"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... + +Remove files from the build directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed +to RM. + +If FILE is a libtool library, object or program, all the files associated +with it are deleted. Otherwise, only FILE itself is deleted using RM." + ;; + + compile) + $ECHO \ +"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE + +Compile a source file into a libtool library object. + +This mode accepts the following additional options: + + -o OUTPUT-FILE set the output file name to OUTPUT-FILE + -no-suppress do not suppress compiler output for multiple passes + -prefer-pic try to build PIC objects only + -prefer-non-pic try to build non-PIC objects only + -shared do not build a \`.o' file suitable for static linking + -static only build a \`.o' file suitable for static linking + -Wc,FLAG pass FLAG directly to the compiler + +COMPILE-COMMAND is a command to be used in creating a \`standard' object file +from the given SOURCEFILE. + +The output file name is determined by removing the directory component from +SOURCEFILE, then substituting the C source code suffix \`.c' with the +library object suffix, \`.lo'." + ;; + + execute) + $ECHO \ +"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... + +Automatically set library path, then run a program. + +This mode accepts the following additional options: + + -dlopen FILE add the directory containing FILE to the library path + +This mode sets the library path environment variable according to \`-dlopen' +flags. + +If any of the ARGS are libtool executable wrappers, then they are translated +into their corresponding uninstalled binary, and any of their required library +directories are added to the library path. + +Then, COMMAND is executed, with ARGS as arguments." + ;; + + finish) + $ECHO \ +"Usage: $progname [OPTION]... --mode=finish [LIBDIR]... + +Complete the installation of libtool libraries. + +Each LIBDIR is a directory that contains libtool libraries. + +The commands that this mode executes may require superuser privileges. Use +the \`--dry-run' option if you just want to see what would be executed." + ;; + + install) + $ECHO \ +"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... + +Install executables or libraries. + +INSTALL-COMMAND is the installation command. The first component should be +either the \`install' or \`cp' program. + +The following components of INSTALL-COMMAND are treated specially: + + -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation + +The rest of the components are interpreted as arguments to that command (only +BSD-compatible install options are recognized)." + ;; + + link) + $ECHO \ +"Usage: $progname [OPTION]... --mode=link LINK-COMMAND... + +Link object files or libraries together to form another library, or to +create an executable program. + +LINK-COMMAND is a command using the C compiler that you would use to create +a program from several object files. + +The following components of LINK-COMMAND are treated specially: + + -all-static do not do any dynamic linking at all + -avoid-version do not add a version suffix if possible + -bindir BINDIR specify path to binaries directory (for systems where + libraries must be found in the PATH setting at runtime) + -dlopen FILE \`-dlpreopen' FILE if it cannot be dlopened at runtime + -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols + -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) + -export-symbols SYMFILE + try to export only the symbols listed in SYMFILE + -export-symbols-regex REGEX + try to export only the symbols matching REGEX + -LLIBDIR search LIBDIR for required installed libraries + -lNAME OUTPUT-FILE requires the installed library libNAME + -module build a library that can dlopened + -no-fast-install disable the fast-install mode + -no-install link a not-installable executable + -no-undefined declare that a library does not refer to external symbols + -o OUTPUT-FILE create OUTPUT-FILE from the specified objects + -objectlist FILE Use a list of object files found in FILE to specify objects + -precious-files-regex REGEX + don't remove output files matching REGEX + -release RELEASE specify package release information + -rpath LIBDIR the created library will eventually be installed in LIBDIR + -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries + -shared only do dynamic linking of libtool libraries + -shrext SUFFIX override the standard shared library file extension + -static do not do any dynamic linking of uninstalled libtool libraries + -static-libtool-libs + do not do any dynamic linking of libtool libraries + -version-info CURRENT[:REVISION[:AGE]] + specify library version info [each variable defaults to 0] + -weak LIBNAME declare that the target provides the LIBNAME interface + -Wc,FLAG + -Xcompiler FLAG pass linker-specific FLAG directly to the compiler + -Wl,FLAG + -Xlinker FLAG pass linker-specific FLAG directly to the linker + -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) + +All other options (arguments beginning with \`-') are ignored. + +Every other argument is treated as a filename. Files ending in \`.la' are +treated as uninstalled libtool libraries, other files are standard or library +object files. + +If the OUTPUT-FILE ends in \`.la', then a libtool library is created, +only library objects (\`.lo' files) may be specified, and \`-rpath' is +required, except when creating a convenience library. + +If OUTPUT-FILE ends in \`.a' or \`.lib', then a standard library is created +using \`ar' and \`ranlib', or on Windows using \`lib'. + +If OUTPUT-FILE ends in \`.lo' or \`.${objext}', then a reloadable object file +is created, otherwise an executable program is created." + ;; + + uninstall) + $ECHO \ +"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... + +Remove libraries from an installation directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed +to RM. + +If FILE is a libtool library, all the files associated with it are deleted. +Otherwise, only FILE itself is deleted using RM." + ;; + + *) + func_fatal_help "invalid operation mode \`$opt_mode'" + ;; + esac + + echo + $ECHO "Try \`$progname --help' for more information about other modes." +} + +# Now that we've collected a possible --mode arg, show help if necessary +if $opt_help; then + if test "$opt_help" = :; then + func_mode_help + else + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + func_mode_help + done + } | sed -n '1p; 2,$s/^Usage:/ or: /p' + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + echo + func_mode_help + done + } | + sed '1d + /^When reporting/,/^Report/{ + H + d + } + $x + /information about other modes/d + /more detailed .*MODE/d + s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' + fi + exit $? +fi + + +# func_mode_execute arg... +func_mode_execute () +{ + $opt_debug + # The first argument is the command name. + cmd="$nonopt" + test -z "$cmd" && \ + func_fatal_help "you must specify a COMMAND" + + # Handle -dlopen flags immediately. + for file in $opt_dlopen; do + test -f "$file" \ + || func_fatal_help "\`$file' is not a file" + + dir= + case $file in + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "\`$lib' is not a valid libtool archive" + + # Read the libtool library. + dlname= + library_names= + func_source "$file" + + # Skip this library if it cannot be dlopened. + if test -z "$dlname"; then + # Warn if it was a shared library. + test -n "$library_names" && \ + func_warning "\`$file' was not linked with \`-export-dynamic'" + continue + fi + + func_dirname "$file" "" "." + dir="$func_dirname_result" + + if test -f "$dir/$objdir/$dlname"; then + func_append dir "/$objdir" + else + if test ! -f "$dir/$dlname"; then + func_fatal_error "cannot find \`$dlname' in \`$dir' or \`$dir/$objdir'" + fi + fi + ;; + + *.lo) + # Just add the directory containing the .lo file. + func_dirname "$file" "" "." + dir="$func_dirname_result" + ;; + + *) + func_warning "\`-dlopen' is ignored for non-libtool libraries and objects" + continue + ;; + esac + + # Get the absolute pathname. + absdir=`cd "$dir" && pwd` + test -n "$absdir" && dir="$absdir" + + # Now add the directory to shlibpath_var. + if eval "test -z \"\$$shlibpath_var\""; then + eval "$shlibpath_var=\"\$dir\"" + else + eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" + fi + done + + # This variable tells wrapper scripts just to set shlibpath_var + # rather than running their programs. + libtool_execute_magic="$magic" + + # Check if any of the arguments is a wrapper script. + args= + for file + do + case $file in + -* | *.la | *.lo ) ;; + *) + # Do a test to see if this is really a libtool program. + if func_ltwrapper_script_p "$file"; then + func_source "$file" + # Transform arg to wrapped name. + file="$progdir/$program" + elif func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + func_source "$func_ltwrapper_scriptname_result" + # Transform arg to wrapped name. + file="$progdir/$program" + fi + ;; + esac + # Quote arguments (to preserve shell metacharacters). + func_append_quoted args "$file" + done + + if test "X$opt_dry_run" = Xfalse; then + if test -n "$shlibpath_var"; then + # Export the shlibpath_var. + eval "export $shlibpath_var" + fi + + # Restore saved environment variables + for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES + do + eval "if test \"\${save_$lt_var+set}\" = set; then + $lt_var=\$save_$lt_var; export $lt_var + else + $lt_unset $lt_var + fi" + done + + # Now prepare to actually exec the command. + exec_cmd="\$cmd$args" + else + # Display what would be done. + if test -n "$shlibpath_var"; then + eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" + echo "export $shlibpath_var" + fi + $ECHO "$cmd$args" + exit $EXIT_SUCCESS + fi +} + +test "$opt_mode" = execute && func_mode_execute ${1+"$@"} + + +# func_mode_finish arg... +func_mode_finish () +{ + $opt_debug + libs= + libdirs= + admincmds= + + for opt in "$nonopt" ${1+"$@"} + do + if test -d "$opt"; then + func_append libdirs " $opt" + + elif test -f "$opt"; then + if func_lalib_unsafe_p "$opt"; then + func_append libs " $opt" + else + func_warning "\`$opt' is not a valid libtool archive" + fi + + else + func_fatal_error "invalid argument \`$opt'" + fi + done + + if test -n "$libs"; then + if test -n "$lt_sysroot"; then + sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` + sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" + else + sysroot_cmd= + fi + + # Remove sysroot references + if $opt_dry_run; then + for lib in $libs; do + echo "removing references to $lt_sysroot and \`=' prefixes from $lib" + done + else + tmpdir=`func_mktempdir` + for lib in $libs; do + sed -e "${sysroot_cmd} s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ + > $tmpdir/tmp-la + mv -f $tmpdir/tmp-la $lib + done + ${RM}r "$tmpdir" + fi + fi + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + for libdir in $libdirs; do + if test -n "$finish_cmds"; then + # Do each command in the finish commands. + func_execute_cmds "$finish_cmds" 'admincmds="$admincmds +'"$cmd"'"' + fi + if test -n "$finish_eval"; then + # Do the single finish_eval. + eval cmds=\"$finish_eval\" + $opt_dry_run || eval "$cmds" || func_append admincmds " + $cmds" + fi + done + fi + + # Exit here if they wanted silent mode. + $opt_silent && exit $EXIT_SUCCESS + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + echo "----------------------------------------------------------------------" + echo "Libraries have been installed in:" + for libdir in $libdirs; do + $ECHO " $libdir" + done + echo + echo "If you ever happen to want to link against installed libraries" + echo "in a given directory, LIBDIR, you must either use libtool, and" + echo "specify the full pathname of the library, or use the \`-LLIBDIR'" + echo "flag during linking and do at least one of the following:" + if test -n "$shlibpath_var"; then + echo " - add LIBDIR to the \`$shlibpath_var' environment variable" + echo " during execution" + fi + if test -n "$runpath_var"; then + echo " - add LIBDIR to the \`$runpath_var' environment variable" + echo " during linking" + fi + if test -n "$hardcode_libdir_flag_spec"; then + libdir=LIBDIR + eval flag=\"$hardcode_libdir_flag_spec\" + + $ECHO " - use the \`$flag' linker flag" + fi + if test -n "$admincmds"; then + $ECHO " - have your system administrator run these commands:$admincmds" + fi + if test -f /etc/ld.so.conf; then + echo " - have your system administrator add LIBDIR to \`/etc/ld.so.conf'" + fi + echo + + echo "See any operating system documentation about shared libraries for" + case $host in + solaris2.[6789]|solaris2.1[0-9]) + echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" + echo "pages." + ;; + *) + echo "more information, such as the ld(1) and ld.so(8) manual pages." + ;; + esac + echo "----------------------------------------------------------------------" + fi + exit $EXIT_SUCCESS +} + +test "$opt_mode" = finish && func_mode_finish ${1+"$@"} + + +# func_mode_install arg... +func_mode_install () +{ + $opt_debug + # There may be an optional sh(1) argument at the beginning of + # install_prog (especially on Windows NT). + if test "$nonopt" = "$SHELL" || test "$nonopt" = /bin/sh || + # Allow the use of GNU shtool's install command. + case $nonopt in *shtool*) :;; *) false;; esac; then + # Aesthetically quote it. + func_quote_for_eval "$nonopt" + install_prog="$func_quote_for_eval_result " + arg=$1 + shift + else + install_prog= + arg=$nonopt + fi + + # The real first argument should be the name of the installation program. + # Aesthetically quote it. + func_quote_for_eval "$arg" + func_append install_prog "$func_quote_for_eval_result" + install_shared_prog=$install_prog + case " $install_prog " in + *[\\\ /]cp\ *) install_cp=: ;; + *) install_cp=false ;; + esac + + # We need to accept at least all the BSD install flags. + dest= + files= + opts= + prev= + install_type= + isdir=no + stripme= + no_mode=: + for arg + do + arg2= + if test -n "$dest"; then + func_append files " $dest" + dest=$arg + continue + fi + + case $arg in + -d) isdir=yes ;; + -f) + if $install_cp; then :; else + prev=$arg + fi + ;; + -g | -m | -o) + prev=$arg + ;; + -s) + stripme=" -s" + continue + ;; + -*) + ;; + *) + # If the previous option needed an argument, then skip it. + if test -n "$prev"; then + if test "x$prev" = x-m && test -n "$install_override_mode"; then + arg2=$install_override_mode + no_mode=false + fi + prev= + else + dest=$arg + continue + fi + ;; + esac + + # Aesthetically quote the argument. + func_quote_for_eval "$arg" + func_append install_prog " $func_quote_for_eval_result" + if test -n "$arg2"; then + func_quote_for_eval "$arg2" + fi + func_append install_shared_prog " $func_quote_for_eval_result" + done + + test -z "$install_prog" && \ + func_fatal_help "you must specify an install program" + + test -n "$prev" && \ + func_fatal_help "the \`$prev' option requires an argument" + + if test -n "$install_override_mode" && $no_mode; then + if $install_cp; then :; else + func_quote_for_eval "$install_override_mode" + func_append install_shared_prog " -m $func_quote_for_eval_result" + fi + fi + + if test -z "$files"; then + if test -z "$dest"; then + func_fatal_help "no file or destination specified" + else + func_fatal_help "you must specify a destination" + fi + fi + + # Strip any trailing slash from the destination. + func_stripname '' '/' "$dest" + dest=$func_stripname_result + + # Check to see that the destination is a directory. + test -d "$dest" && isdir=yes + if test "$isdir" = yes; then + destdir="$dest" + destname= + else + func_dirname_and_basename "$dest" "" "." + destdir="$func_dirname_result" + destname="$func_basename_result" + + # Not a directory, so check to see that there is only one file specified. + set dummy $files; shift + test "$#" -gt 1 && \ + func_fatal_help "\`$dest' is not a directory" + fi + case $destdir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + for file in $files; do + case $file in + *.lo) ;; + *) + func_fatal_help "\`$destdir' must be an absolute directory name" + ;; + esac + done + ;; + esac + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic="$magic" + + staticlibs= + future_libdirs= + current_libdirs= + for file in $files; do + + # Do each installation. + case $file in + *.$libext) + # Do the static libraries later. + func_append staticlibs " $file" + ;; + + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "\`$file' is not a valid libtool archive" + + library_names= + old_library= + relink_command= + func_source "$file" + + # Add the libdir to current_libdirs if it is the destination. + if test "X$destdir" = "X$libdir"; then + case "$current_libdirs " in + *" $libdir "*) ;; + *) func_append current_libdirs " $libdir" ;; + esac + else + # Note the libdir as a future libdir. + case "$future_libdirs " in + *" $libdir "*) ;; + *) func_append future_libdirs " $libdir" ;; + esac + fi + + func_dirname "$file" "/" "" + dir="$func_dirname_result" + func_append dir "$objdir" + + if test -n "$relink_command"; then + # Determine the prefix the user has applied to our future dir. + inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` + + # Don't allow the user to place us outside of our expected + # location b/c this prevents finding dependent libraries that + # are installed to the same prefix. + # At present, this check doesn't affect windows .dll's that + # are installed into $libdir/../bin (currently, that works fine) + # but it's something to keep an eye on. + test "$inst_prefix_dir" = "$destdir" && \ + func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" + + if test -n "$inst_prefix_dir"; then + # Stick the inst_prefix_dir data into the link command. + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` + else + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` + fi + + func_warning "relinking \`$file'" + func_show_eval "$relink_command" \ + 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' + fi + + # See the names of the shared library. + set dummy $library_names; shift + if test -n "$1"; then + realname="$1" + shift + + srcname="$realname" + test -n "$relink_command" && srcname="$realname"T + + # Install the shared library and build the symlinks. + func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ + 'exit $?' + tstripme="$stripme" + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + case $realname in + *.dll.a) + tstripme="" + ;; + esac + ;; + esac + if test -n "$tstripme" && test -n "$striplib"; then + func_show_eval "$striplib $destdir/$realname" 'exit $?' + fi + + if test "$#" -gt 0; then + # Delete the old symlinks, and create new ones. + # Try `ln -sf' first, because the `ln' binary might depend on + # the symlink we replace! Solaris /bin/ln does not understand -f, + # so we also need to try rm && ln -s. + for linkname + do + test "$linkname" != "$realname" \ + && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" + done + fi + + # Do each command in the postinstall commands. + lib="$destdir/$realname" + func_execute_cmds "$postinstall_cmds" 'exit $?' + fi + + # Install the pseudo-library for information purposes. + func_basename "$file" + name="$func_basename_result" + instname="$dir/$name"i + func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' + + # Maybe install the static library, too. + test -n "$old_library" && func_append staticlibs " $dir/$old_library" + ;; + + *.lo) + # Install (i.e. copy) a libtool object. + + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile="$destdir/$destname" + else + func_basename "$file" + destfile="$func_basename_result" + destfile="$destdir/$destfile" + fi + + # Deduce the name of the destination old-style object file. + case $destfile in + *.lo) + func_lo2o "$destfile" + staticdest=$func_lo2o_result + ;; + *.$objext) + staticdest="$destfile" + destfile= + ;; + *) + func_fatal_help "cannot copy a libtool object to \`$destfile'" + ;; + esac + + # Install the libtool object if requested. + test -n "$destfile" && \ + func_show_eval "$install_prog $file $destfile" 'exit $?' + + # Install the old object if enabled. + if test "$build_old_libs" = yes; then + # Deduce the name of the old-style object file. + func_lo2o "$file" + staticobj=$func_lo2o_result + func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' + fi + exit $EXIT_SUCCESS + ;; + + *) + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile="$destdir/$destname" + else + func_basename "$file" + destfile="$func_basename_result" + destfile="$destdir/$destfile" + fi + + # If the file is missing, and there is a .exe on the end, strip it + # because it is most likely a libtool script we actually want to + # install + stripped_ext="" + case $file in + *.exe) + if test ! -f "$file"; then + func_stripname '' '.exe' "$file" + file=$func_stripname_result + stripped_ext=".exe" + fi + ;; + esac + + # Do a test to see if this is really a libtool program. + case $host in + *cygwin* | *mingw*) + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + wrapper=$func_ltwrapper_scriptname_result + else + func_stripname '' '.exe' "$file" + wrapper=$func_stripname_result + fi + ;; + *) + wrapper=$file + ;; + esac + if func_ltwrapper_script_p "$wrapper"; then + notinst_deplibs= + relink_command= + + func_source "$wrapper" + + # Check the variables that should have been set. + test -z "$generated_by_libtool_version" && \ + func_fatal_error "invalid libtool wrapper script \`$wrapper'" + + finalize=yes + for lib in $notinst_deplibs; do + # Check to see that each library is installed. + libdir= + if test -f "$lib"; then + func_source "$lib" + fi + libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test + if test -n "$libdir" && test ! -f "$libfile"; then + func_warning "\`$lib' has not been installed in \`$libdir'" + finalize=no + fi + done + + relink_command= + func_source "$wrapper" + + outputname= + if test "$fast_install" = no && test -n "$relink_command"; then + $opt_dry_run || { + if test "$finalize" = yes; then + tmpdir=`func_mktempdir` + func_basename "$file$stripped_ext" + file="$func_basename_result" + outputname="$tmpdir/$file" + # Replace the output file specification. + relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` + + $opt_silent || { + func_quote_for_expand "$relink_command" + eval "func_echo $func_quote_for_expand_result" + } + if eval "$relink_command"; then : + else + func_error "error: relink \`$file' with the above command before installing it" + $opt_dry_run || ${RM}r "$tmpdir" + continue + fi + file="$outputname" + else + func_warning "cannot relink \`$file'" + fi + } + else + # Install the binary that we compiled earlier. + file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` + fi + fi + + # remove .exe since cygwin /usr/bin/install will append another + # one anyway + case $install_prog,$host in + */usr/bin/install*,*cygwin*) + case $file:$destfile in + *.exe:*.exe) + # this is ok + ;; + *.exe:*) + destfile=$destfile.exe + ;; + *:*.exe) + func_stripname '' '.exe' "$destfile" + destfile=$func_stripname_result + ;; + esac + ;; + esac + func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' + $opt_dry_run || if test -n "$outputname"; then + ${RM}r "$tmpdir" + fi + ;; + esac + done + + for file in $staticlibs; do + func_basename "$file" + name="$func_basename_result" + + # Set up the ranlib parameters. + oldlib="$destdir/$name" + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + + func_show_eval "$install_prog \$file \$oldlib" 'exit $?' + + if test -n "$stripme" && test -n "$old_striplib"; then + func_show_eval "$old_striplib $tool_oldlib" 'exit $?' + fi + + # Do each command in the postinstall commands. + func_execute_cmds "$old_postinstall_cmds" 'exit $?' + done + + test -n "$future_libdirs" && \ + func_warning "remember to run \`$progname --finish$future_libdirs'" + + if test -n "$current_libdirs"; then + # Maybe just do a dry run. + $opt_dry_run && current_libdirs=" -n$current_libdirs" + exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' + else + exit $EXIT_SUCCESS + fi +} + +test "$opt_mode" = install && func_mode_install ${1+"$@"} + + +# func_generate_dlsyms outputname originator pic_p +# Extract symbols from dlprefiles and create ${outputname}S.o with +# a dlpreopen symbol table. +func_generate_dlsyms () +{ + $opt_debug + my_outputname="$1" + my_originator="$2" + my_pic_p="${3-no}" + my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` + my_dlsyms= + + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + if test -n "$NM" && test -n "$global_symbol_pipe"; then + my_dlsyms="${my_outputname}S.c" + else + func_error "not configured to extract global symbols from dlpreopened files" + fi + fi + + if test -n "$my_dlsyms"; then + case $my_dlsyms in + "") ;; + *.c) + # Discover the nlist of each of the dlfiles. + nlist="$output_objdir/${my_outputname}.nm" + + func_show_eval "$RM $nlist ${nlist}S ${nlist}T" + + # Parse the name list into a source file. + func_verbose "creating $output_objdir/$my_dlsyms" + + $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ +/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ +/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ + +#ifdef __cplusplus +extern \"C\" { +#endif + +#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) +#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" +#endif + +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) +/* DATA imports from DLLs on WIN32 con't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined(__osf__) +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +/* External symbol declarations for the compiler. */\ +" + + if test "$dlself" = yes; then + func_verbose "generating symbol list for \`$output'" + + $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" + + # Add our own program objects to the symbol list. + progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` + for progfile in $progfiles; do + func_to_tool_file "$progfile" func_convert_file_msys_to_w32 + func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" + $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" + done + + if test -n "$exclude_expsyms"; then + $opt_dry_run || { + eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + if test -n "$export_symbols_regex"; then + $opt_dry_run || { + eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + export_symbols="$output_objdir/$outputname.exp" + $opt_dry_run || { + $RM $export_symbols + eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' + ;; + esac + } + else + $opt_dry_run || { + eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' + eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' + ;; + esac + } + fi + fi + + for dlprefile in $dlprefiles; do + func_verbose "extracting global C symbols from \`$dlprefile'" + func_basename "$dlprefile" + name="$func_basename_result" + case $host in + *cygwin* | *mingw* | *cegcc* ) + # if an import library, we need to obtain dlname + if func_win32_import_lib_p "$dlprefile"; then + func_tr_sh "$dlprefile" + eval "curr_lafile=\$libfile_$func_tr_sh_result" + dlprefile_dlbasename="" + if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then + # Use subshell, to avoid clobbering current variable values + dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` + if test -n "$dlprefile_dlname" ; then + func_basename "$dlprefile_dlname" + dlprefile_dlbasename="$func_basename_result" + else + # no lafile. user explicitly requested -dlpreopen . + $sharedlib_from_linklib_cmd "$dlprefile" + dlprefile_dlbasename=$sharedlib_from_linklib_result + fi + fi + $opt_dry_run || { + if test -n "$dlprefile_dlbasename" ; then + eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' + else + func_warning "Could not compute DLL name from $name" + eval '$ECHO ": $name " >> "$nlist"' + fi + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | + $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" + } + else # not an import lib + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + fi + ;; + *) + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + ;; + esac + done + + $opt_dry_run || { + # Make sure we have at least an empty file. + test -f "$nlist" || : > "$nlist" + + if test -n "$exclude_expsyms"; then + $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T + $MV "$nlist"T "$nlist" + fi + + # Try sorting and uniquifying the output. + if $GREP -v "^: " < "$nlist" | + if sort -k 3 /dev/null 2>&1; then + sort -k 3 + else + sort +2 + fi | + uniq > "$nlist"S; then + : + else + $GREP -v "^: " < "$nlist" > "$nlist"S + fi + + if test -f "$nlist"S; then + eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' + else + echo '/* NONE */' >> "$output_objdir/$my_dlsyms" + fi + + echo >> "$output_objdir/$my_dlsyms" "\ + +/* The mapping between symbol names and symbols. */ +typedef struct { + const char *name; + void *address; +} lt_dlsymlist; +extern LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[]; +LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[] = +{\ + { \"$my_originator\", (void *) 0 }," + + case $need_lib_prefix in + no) + eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + *) + eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + esac + echo >> "$output_objdir/$my_dlsyms" "\ + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt_${my_prefix}_LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif\ +" + } # !$opt_dry_run + + pic_flag_for_symtable= + case "$compile_command " in + *" -static "*) ;; + *) + case $host in + # compiling the symbol table file with pic_flag works around + # a FreeBSD bug that causes programs to crash when -lm is + # linked before any other PIC object. But we must not use + # pic_flag when linking with -static. The problem exists in + # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. + *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) + pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; + *-*-hpux*) + pic_flag_for_symtable=" $pic_flag" ;; + *) + if test "X$my_pic_p" != Xno; then + pic_flag_for_symtable=" $pic_flag" + fi + ;; + esac + ;; + esac + symtab_cflags= + for arg in $LTCFLAGS; do + case $arg in + -pie | -fpie | -fPIE) ;; + *) func_append symtab_cflags " $arg" ;; + esac + done + + # Now compile the dynamic symbol file. + func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' + + # Clean up the generated files. + func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' + + # Transform the symbol file into the correct name. + symfileobj="$output_objdir/${my_outputname}S.$objext" + case $host in + *cygwin* | *mingw* | *cegcc* ) + if test -f "$output_objdir/$my_outputname.def"; then + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + else + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + fi + ;; + *) + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + ;; + esac + ;; + *) + func_fatal_error "unknown suffix for \`$my_dlsyms'" + ;; + esac + else + # We keep going just in case the user didn't refer to + # lt_preloaded_symbols. The linker will fail if global_symbol_pipe + # really was required. + + # Nullify the symbol file. + compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` + fi +} + +# func_win32_libid arg +# return the library type of file 'arg' +# +# Need a lot of goo to handle *both* DLLs and import libs +# Has to be a shell function in order to 'eat' the argument +# that is supplied when $file_magic_command is called. +# Despite the name, also deal with 64 bit binaries. +func_win32_libid () +{ + $opt_debug + win32_libid_type="unknown" + win32_fileres=`file -L $1 2>/dev/null` + case $win32_fileres in + *ar\ archive\ import\ library*) # definitely import + win32_libid_type="x86 archive import" + ;; + *ar\ archive*) # could be an import, or static + # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. + if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | + $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then + func_to_tool_file "$1" func_convert_file_msys_to_w32 + win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | + $SED -n -e ' + 1,100{ + / I /{ + s,.*,import, + p + q + } + }'` + case $win32_nmres in + import*) win32_libid_type="x86 archive import";; + *) win32_libid_type="x86 archive static";; + esac + fi + ;; + *DLL*) + win32_libid_type="x86 DLL" + ;; + *executable*) # but shell scripts are "executable" too... + case $win32_fileres in + *MS\ Windows\ PE\ Intel*) + win32_libid_type="x86 DLL" + ;; + esac + ;; + esac + $ECHO "$win32_libid_type" +} + +# func_cygming_dll_for_implib ARG +# +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib () +{ + $opt_debug + sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` +} + +# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs +# +# The is the core of a fallback implementation of a +# platform-specific function to extract the name of the +# DLL associated with the specified import library LIBNAME. +# +# SECTION_NAME is either .idata$6 or .idata$7, depending +# on the platform and compiler that created the implib. +# +# Echos the name of the DLL associated with the +# specified import library. +func_cygming_dll_for_implib_fallback_core () +{ + $opt_debug + match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` + $OBJDUMP -s --section "$1" "$2" 2>/dev/null | + $SED '/^Contents of section '"$match_literal"':/{ + # Place marker at beginning of archive member dllname section + s/.*/====MARK====/ + p + d + } + # These lines can sometimes be longer than 43 characters, but + # are always uninteresting + /:[ ]*file format pe[i]\{,1\}-/d + /^In archive [^:]*:/d + # Ensure marker is printed + /^====MARK====/p + # Remove all lines with less than 43 characters + /^.\{43\}/!d + # From remaining lines, remove first 43 characters + s/^.\{43\}//' | + $SED -n ' + # Join marker and all lines until next marker into a single line + /^====MARK====/ b para + H + $ b para + b + :para + x + s/\n//g + # Remove the marker + s/^====MARK====// + # Remove trailing dots and whitespace + s/[\. \t]*$// + # Print + /./p' | + # we now have a list, one entry per line, of the stringified + # contents of the appropriate section of all members of the + # archive which possess that section. Heuristic: eliminate + # all those which have a first or second character that is + # a '.' (that is, objdump's representation of an unprintable + # character.) This should work for all archives with less than + # 0x302f exports -- but will fail for DLLs whose name actually + # begins with a literal '.' or a single character followed by + # a '.'. + # + # Of those that remain, print the first one. + $SED -e '/^\./d;/^.\./d;q' +} + +# func_cygming_gnu_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is a GNU/binutils-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_gnu_implib_p () +{ + $opt_debug + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` + test -n "$func_cygming_gnu_implib_tmp" +} + +# func_cygming_ms_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is an MS-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_ms_implib_p () +{ + $opt_debug + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` + test -n "$func_cygming_ms_implib_tmp" +} + +# func_cygming_dll_for_implib_fallback ARG +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# +# This fallback implementation is for use when $DLLTOOL +# does not support the --identify-strict option. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib_fallback () +{ + $opt_debug + if func_cygming_gnu_implib_p "$1" ; then + # binutils import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` + elif func_cygming_ms_implib_p "$1" ; then + # ms-generated import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` + else + # unknown + sharedlib_from_linklib_result="" + fi +} + + +# func_extract_an_archive dir oldlib +func_extract_an_archive () +{ + $opt_debug + f_ex_an_ar_dir="$1"; shift + f_ex_an_ar_oldlib="$1" + if test "$lock_old_archive_extraction" = yes; then + lockfile=$f_ex_an_ar_oldlib.lock + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + fi + func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ + 'stat=$?; rm -f "$lockfile"; exit $stat' + if test "$lock_old_archive_extraction" = yes; then + $opt_dry_run || rm -f "$lockfile" + fi + if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then + : + else + func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" + fi +} + + +# func_extract_archives gentop oldlib ... +func_extract_archives () +{ + $opt_debug + my_gentop="$1"; shift + my_oldlibs=${1+"$@"} + my_oldobjs="" + my_xlib="" + my_xabs="" + my_xdir="" + + for my_xlib in $my_oldlibs; do + # Extract the objects. + case $my_xlib in + [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; + *) my_xabs=`pwd`"/$my_xlib" ;; + esac + func_basename "$my_xlib" + my_xlib="$func_basename_result" + my_xlib_u=$my_xlib + while :; do + case " $extracted_archives " in + *" $my_xlib_u "*) + func_arith $extracted_serial + 1 + extracted_serial=$func_arith_result + my_xlib_u=lt$extracted_serial-$my_xlib ;; + *) break ;; + esac + done + extracted_archives="$extracted_archives $my_xlib_u" + my_xdir="$my_gentop/$my_xlib_u" + + func_mkdir_p "$my_xdir" + + case $host in + *-darwin*) + func_verbose "Extracting $my_xabs" + # Do not bother doing anything if just a dry run + $opt_dry_run || { + darwin_orig_dir=`pwd` + cd $my_xdir || exit $? + darwin_archive=$my_xabs + darwin_curdir=`pwd` + darwin_base_archive=`basename "$darwin_archive"` + darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` + if test -n "$darwin_arches"; then + darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` + darwin_arch= + func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" + for darwin_arch in $darwin_arches ; do + func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" + $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" + cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" + func_extract_an_archive "`pwd`" "${darwin_base_archive}" + cd "$darwin_curdir" + $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" + done # $darwin_arches + ## Okay now we've a bunch of thin objects, gotta fatten them up :) + darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` + darwin_file= + darwin_files= + for darwin_file in $darwin_filelist; do + darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` + $LIPO -create -output "$darwin_file" $darwin_files + done # $darwin_filelist + $RM -rf unfat-$$ + cd "$darwin_orig_dir" + else + cd $darwin_orig_dir + func_extract_an_archive "$my_xdir" "$my_xabs" + fi # $darwin_arches + } # !$opt_dry_run + ;; + *) + func_extract_an_archive "$my_xdir" "$my_xabs" + ;; + esac + my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` + done + + func_extract_archives_result="$my_oldobjs" +} + + +# func_emit_wrapper [arg=no] +# +# Emit a libtool wrapper script on stdout. +# Don't directly open a file because we may want to +# incorporate the script contents within a cygwin/mingw +# wrapper executable. Must ONLY be called from within +# func_mode_link because it depends on a number of variables +# set therein. +# +# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR +# variable will take. If 'yes', then the emitted script +# will assume that the directory in which it is stored is +# the $objdir directory. This is a cygwin/mingw-specific +# behavior. +func_emit_wrapper () +{ + func_emit_wrapper_arg1=${1-no} + + $ECHO "\ +#! $SHELL + +# $output - temporary wrapper script for $objdir/$outputname +# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION +# +# The $output program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='$sed_quote_subst' + +# Be Bourne compatible +if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command=\"$relink_command\" + +# This environment variable determines our operation mode. +if test \"\$libtool_install_magic\" = \"$magic\"; then + # install mode needs the following variables: + generated_by_libtool_version='$macro_version' + notinst_deplibs='$notinst_deplibs' +else + # When we are sourced in execute mode, \$file and \$ECHO are already set. + if test \"\$libtool_execute_magic\" != \"$magic\"; then + file=\"\$0\"" + + qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` + $ECHO "\ + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + ECHO=\"$qECHO\" + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ which is used only on +# windows platforms, and (c) all begin with the string "--lt-" +# (application programs are unlikely to have options which match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's $0 value, followed by "$@". +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=\$0 + shift + for lt_opt + do + case \"\$lt_opt\" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` + test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. + lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` + cat \"\$lt_dump_D/\$lt_dump_F\" + exit 0 + ;; + --lt-*) + \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n \"\$lt_option_debug\"; then + echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" + lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ +" + case $host in + # Backslashes separate directories on plain windows + *-*-mingw | *-*-os2* | *-cegcc*) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} +" + ;; + + *) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir/\$program\" \${1+\"\$@\"} +" + ;; + esac + $ECHO "\ + \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from \$@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + case \" \$* \" in + *\\ --lt-*) + for lt_wr_arg + do + case \$lt_wr_arg in + --lt-*) ;; + *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; + esac + shift + done ;; + esac + func_exec_program_core \${1+\"\$@\"} +} + + # Parse options + func_parse_lt_options \"\$0\" \${1+\"\$@\"} + + # Find the directory that this script lives in. + thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` + test \"x\$thisdir\" = \"x\$file\" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` + while test -n \"\$file\"; do + destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` + + # If there was a directory component, then change thisdir. + if test \"x\$destdir\" != \"x\$file\"; then + case \"\$destdir\" in + [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; + *) thisdir=\"\$thisdir/\$destdir\" ;; + esac + fi + + file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` + file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 + if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then + # special case for '.' + if test \"\$thisdir\" = \".\"; then + thisdir=\`pwd\` + fi + # remove .libs from thisdir + case \"\$thisdir\" in + *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; + $objdir ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=\`cd \"\$thisdir\" && pwd\` + test -n \"\$absdir\" && thisdir=\"\$absdir\" +" + + if test "$fast_install" = yes; then + $ECHO "\ + program=lt-'$outputname'$exeext + progdir=\"\$thisdir/$objdir\" + + if test ! -f \"\$progdir/\$program\" || + { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ + test \"X\$file\" != \"X\$progdir/\$program\"; }; then + + file=\"\$\$-\$program\" + + if test ! -d \"\$progdir\"; then + $MKDIR \"\$progdir\" + else + $RM \"\$progdir/\$file\" + fi" + + $ECHO "\ + + # relink executable if necessary + if test -n \"\$relink_command\"; then + if relink_command_output=\`eval \$relink_command 2>&1\`; then : + else + $ECHO \"\$relink_command_output\" >&2 + $RM \"\$progdir/\$file\" + exit 1 + fi + fi + + $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || + { $RM \"\$progdir/\$program\"; + $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } + $RM \"\$progdir/\$file\" + fi" + else + $ECHO "\ + program='$outputname' + progdir=\"\$thisdir/$objdir\" +" + fi + + $ECHO "\ + + if test -f \"\$progdir/\$program\"; then" + + # fixup the dll searchpath if we need to. + # + # Fix the DLL searchpath if we need to. Do this before prepending + # to shlibpath, because on Windows, both are PATH and uninstalled + # libraries must come first. + if test -n "$dllsearchpath"; then + $ECHO "\ + # Add the dll search path components to the executable PATH + PATH=$dllsearchpath:\$PATH +" + fi + + # Export our shlibpath_var if we have one. + if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then + $ECHO "\ + # Add our own library path to $shlibpath_var + $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" + + # Some systems cannot cope with colon-terminated $shlibpath_var + # The second colon is a workaround for a bug in BeOS R4 sed + $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` + + export $shlibpath_var +" + fi + + $ECHO "\ + if test \"\$libtool_execute_magic\" != \"$magic\"; then + # Run the actual program with our arguments. + func_exec_program \${1+\"\$@\"} + fi + else + # The program doesn't exist. + \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 + \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 + \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 + exit 1 + fi +fi\ +" +} + + +# func_emit_cwrapperexe_src +# emit the source code for a wrapper executable on stdout +# Must ONLY be called from within func_mode_link because +# it depends on a number of variable set therein. +func_emit_cwrapperexe_src () +{ + cat < +#include +#ifdef _MSC_VER +# include +# include +# include +#else +# include +# include +# ifdef __CYGWIN__ +# include +# endif +#endif +#include +#include +#include +#include +#include +#include +#include +#include + +/* declarations of non-ANSI functions */ +#if defined(__MINGW32__) +# ifdef __STRICT_ANSI__ +int _putenv (const char *); +# endif +#elif defined(__CYGWIN__) +# ifdef __STRICT_ANSI__ +char *realpath (const char *, char *); +int putenv (char *); +int setenv (const char *, const char *, int); +# endif +/* #elif defined (other platforms) ... */ +#endif + +/* portability defines, excluding path handling macros */ +#if defined(_MSC_VER) +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +# define S_IXUSR _S_IEXEC +# ifndef _INTPTR_T_DEFINED +# define _INTPTR_T_DEFINED +# define intptr_t int +# endif +#elif defined(__MINGW32__) +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +#elif defined(__CYGWIN__) +# define HAVE_SETENV +# define FOPEN_WB "wb" +/* #elif defined (other platforms) ... */ +#endif + +#if defined(PATH_MAX) +# define LT_PATHMAX PATH_MAX +#elif defined(MAXPATHLEN) +# define LT_PATHMAX MAXPATHLEN +#else +# define LT_PATHMAX 1024 +#endif + +#ifndef S_IXOTH +# define S_IXOTH 0 +#endif +#ifndef S_IXGRP +# define S_IXGRP 0 +#endif + +/* path handling portability macros */ +#ifndef DIR_SEPARATOR +# define DIR_SEPARATOR '/' +# define PATH_SEPARATOR ':' +#endif + +#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ + defined (__OS2__) +# define HAVE_DOS_BASED_FILE_SYSTEM +# define FOPEN_WB "wb" +# ifndef DIR_SEPARATOR_2 +# define DIR_SEPARATOR_2 '\\' +# endif +# ifndef PATH_SEPARATOR_2 +# define PATH_SEPARATOR_2 ';' +# endif +#endif + +#ifndef DIR_SEPARATOR_2 +# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) +#else /* DIR_SEPARATOR_2 */ +# define IS_DIR_SEPARATOR(ch) \ + (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) +#endif /* DIR_SEPARATOR_2 */ + +#ifndef PATH_SEPARATOR_2 +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) +#else /* PATH_SEPARATOR_2 */ +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) +#endif /* PATH_SEPARATOR_2 */ + +#ifndef FOPEN_WB +# define FOPEN_WB "w" +#endif +#ifndef _O_BINARY +# define _O_BINARY 0 +#endif + +#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) +#define XFREE(stale) do { \ + if (stale) { free ((void *) stale); stale = 0; } \ +} while (0) + +#if defined(LT_DEBUGWRAPPER) +static int lt_debug = 1; +#else +static int lt_debug = 0; +#endif + +const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ + +void *xmalloc (size_t num); +char *xstrdup (const char *string); +const char *base_name (const char *name); +char *find_executable (const char *wrapper); +char *chase_symlinks (const char *pathspec); +int make_executable (const char *path); +int check_executable (const char *path); +char *strendzap (char *str, const char *pat); +void lt_debugprintf (const char *file, int line, const char *fmt, ...); +void lt_fatal (const char *file, int line, const char *message, ...); +static const char *nonnull (const char *s); +static const char *nonempty (const char *s); +void lt_setenv (const char *name, const char *value); +char *lt_extend_str (const char *orig_value, const char *add, int to_end); +void lt_update_exe_path (const char *name, const char *value); +void lt_update_lib_path (const char *name, const char *value); +char **prepare_spawn (char **argv); +void lt_dump_script (FILE *f); +EOF + + cat <= 0) + && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) + return 1; + else + return 0; +} + +int +make_executable (const char *path) +{ + int rval = 0; + struct stat st; + + lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", + nonempty (path)); + if ((!path) || (!*path)) + return 0; + + if (stat (path, &st) >= 0) + { + rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); + } + return rval; +} + +/* Searches for the full path of the wrapper. Returns + newly allocated full path name if found, NULL otherwise + Does not chase symlinks, even on platforms that support them. +*/ +char * +find_executable (const char *wrapper) +{ + int has_slash = 0; + const char *p; + const char *p_next; + /* static buffer for getcwd */ + char tmp[LT_PATHMAX + 1]; + int tmp_len; + char *concat_name; + + lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", + nonempty (wrapper)); + + if ((wrapper == NULL) || (*wrapper == '\0')) + return NULL; + + /* Absolute path? */ +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + else + { +#endif + if (IS_DIR_SEPARATOR (wrapper[0])) + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + } +#endif + + for (p = wrapper; *p; p++) + if (*p == '/') + { + has_slash = 1; + break; + } + if (!has_slash) + { + /* no slashes; search PATH */ + const char *path = getenv ("PATH"); + if (path != NULL) + { + for (p = path; *p; p = p_next) + { + const char *q; + size_t p_len; + for (q = p; *q; q++) + if (IS_PATH_SEPARATOR (*q)) + break; + p_len = q - p; + p_next = (*q == '\0' ? q : q + 1); + if (p_len == 0) + { + /* empty path: current directory */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = + XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + } + else + { + concat_name = + XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, p, p_len); + concat_name[p_len] = '/'; + strcpy (concat_name + p_len + 1, wrapper); + } + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + } + /* not found in PATH; assume curdir */ + } + /* Relative path | not found in path: prepend cwd */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + return NULL; +} + +char * +chase_symlinks (const char *pathspec) +{ +#ifndef S_ISLNK + return xstrdup (pathspec); +#else + char buf[LT_PATHMAX]; + struct stat s; + char *tmp_pathspec = xstrdup (pathspec); + char *p; + int has_symlinks = 0; + while (strlen (tmp_pathspec) && !has_symlinks) + { + lt_debugprintf (__FILE__, __LINE__, + "checking path component for symlinks: %s\n", + tmp_pathspec); + if (lstat (tmp_pathspec, &s) == 0) + { + if (S_ISLNK (s.st_mode) != 0) + { + has_symlinks = 1; + break; + } + + /* search backwards for last DIR_SEPARATOR */ + p = tmp_pathspec + strlen (tmp_pathspec) - 1; + while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + p--; + if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + { + /* no more DIR_SEPARATORS left */ + break; + } + *p = '\0'; + } + else + { + lt_fatal (__FILE__, __LINE__, + "error accessing file \"%s\": %s", + tmp_pathspec, nonnull (strerror (errno))); + } + } + XFREE (tmp_pathspec); + + if (!has_symlinks) + { + return xstrdup (pathspec); + } + + tmp_pathspec = realpath (pathspec, buf); + if (tmp_pathspec == 0) + { + lt_fatal (__FILE__, __LINE__, + "could not follow symlinks for %s", pathspec); + } + return xstrdup (tmp_pathspec); +#endif +} + +char * +strendzap (char *str, const char *pat) +{ + size_t len, patlen; + + assert (str != NULL); + assert (pat != NULL); + + len = strlen (str); + patlen = strlen (pat); + + if (patlen <= len) + { + str += len - patlen; + if (strcmp (str, pat) == 0) + *str = '\0'; + } + return str; +} + +void +lt_debugprintf (const char *file, int line, const char *fmt, ...) +{ + va_list args; + if (lt_debug) + { + (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); + va_start (args, fmt); + (void) vfprintf (stderr, fmt, args); + va_end (args); + } +} + +static void +lt_error_core (int exit_status, const char *file, + int line, const char *mode, + const char *message, va_list ap) +{ + fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); + vfprintf (stderr, message, ap); + fprintf (stderr, ".\n"); + + if (exit_status >= 0) + exit (exit_status); +} + +void +lt_fatal (const char *file, int line, const char *message, ...) +{ + va_list ap; + va_start (ap, message); + lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); + va_end (ap); +} + +static const char * +nonnull (const char *s) +{ + return s ? s : "(null)"; +} + +static const char * +nonempty (const char *s) +{ + return (s && !*s) ? "(empty)" : nonnull (s); +} + +void +lt_setenv (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_setenv) setting '%s' to '%s'\n", + nonnull (name), nonnull (value)); + { +#ifdef HAVE_SETENV + /* always make a copy, for consistency with !HAVE_SETENV */ + char *str = xstrdup (value); + setenv (name, str, 1); +#else + int len = strlen (name) + 1 + strlen (value) + 1; + char *str = XMALLOC (char, len); + sprintf (str, "%s=%s", name, value); + if (putenv (str) != EXIT_SUCCESS) + { + XFREE (str); + } +#endif + } +} + +char * +lt_extend_str (const char *orig_value, const char *add, int to_end) +{ + char *new_value; + if (orig_value && *orig_value) + { + int orig_value_len = strlen (orig_value); + int add_len = strlen (add); + new_value = XMALLOC (char, add_len + orig_value_len + 1); + if (to_end) + { + strcpy (new_value, orig_value); + strcpy (new_value + orig_value_len, add); + } + else + { + strcpy (new_value, add); + strcpy (new_value + add_len, orig_value); + } + } + else + { + new_value = xstrdup (add); + } + return new_value; +} + +void +lt_update_exe_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + /* some systems can't cope with a ':'-terminated path #' */ + int len = strlen (new_value); + while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) + { + new_value[len-1] = '\0'; + } + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +void +lt_update_lib_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +EOF + case $host_os in + mingw*) + cat <<"EOF" + +/* Prepares an argument vector before calling spawn(). + Note that spawn() does not by itself call the command interpreter + (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : + ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&v); + v.dwPlatformId == VER_PLATFORM_WIN32_NT; + }) ? "cmd.exe" : "command.com"). + Instead it simply concatenates the arguments, separated by ' ', and calls + CreateProcess(). We must quote the arguments since Win32 CreateProcess() + interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a + special way: + - Space and tab are interpreted as delimiters. They are not treated as + delimiters if they are surrounded by double quotes: "...". + - Unescaped double quotes are removed from the input. Their only effect is + that within double quotes, space and tab are treated like normal + characters. + - Backslashes not followed by double quotes are not special. + - But 2*n+1 backslashes followed by a double quote become + n backslashes followed by a double quote (n >= 0): + \" -> " + \\\" -> \" + \\\\\" -> \\" + */ +#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +char ** +prepare_spawn (char **argv) +{ + size_t argc; + char **new_argv; + size_t i; + + /* Count number of arguments. */ + for (argc = 0; argv[argc] != NULL; argc++) + ; + + /* Allocate new argument vector. */ + new_argv = XMALLOC (char *, argc + 1); + + /* Put quoted arguments into the new argument vector. */ + for (i = 0; i < argc; i++) + { + const char *string = argv[i]; + + if (string[0] == '\0') + new_argv[i] = xstrdup ("\"\""); + else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) + { + int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); + size_t length; + unsigned int backslashes; + const char *s; + char *quoted_string; + char *p; + + length = 0; + backslashes = 0; + if (quote_around) + length++; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + length += backslashes + 1; + length++; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + length += backslashes + 1; + + quoted_string = XMALLOC (char, length + 1); + + p = quoted_string; + backslashes = 0; + if (quote_around) + *p++ = '"'; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + { + unsigned int j; + for (j = backslashes + 1; j > 0; j--) + *p++ = '\\'; + } + *p++ = c; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + { + unsigned int j; + for (j = backslashes; j > 0; j--) + *p++ = '\\'; + *p++ = '"'; + } + *p = '\0'; + + new_argv[i] = quoted_string; + } + else + new_argv[i] = (char *) string; + } + new_argv[argc] = NULL; + + return new_argv; +} +EOF + ;; + esac + + cat <<"EOF" +void lt_dump_script (FILE* f) +{ +EOF + func_emit_wrapper yes | + $SED -n -e ' +s/^\(.\{79\}\)\(..*\)/\1\ +\2/ +h +s/\([\\"]\)/\\\1/g +s/$/\\n/ +s/\([^\n]*\).*/ fputs ("\1", f);/p +g +D' + cat <<"EOF" +} +EOF +} +# end: func_emit_cwrapperexe_src + +# func_win32_import_lib_p ARG +# True if ARG is an import lib, as indicated by $file_magic_cmd +func_win32_import_lib_p () +{ + $opt_debug + case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in + *import*) : ;; + *) false ;; + esac +} + +# func_mode_link arg... +func_mode_link () +{ + $opt_debug + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + # It is impossible to link a dll without this setting, and + # we shouldn't force the makefile maintainer to figure out + # which system we are compiling for in order to pass an extra + # flag for every libtool invocation. + # allow_undefined=no + + # FIXME: Unfortunately, there are problems with the above when trying + # to make a dll which has undefined symbols, in which case not + # even a static library is built. For now, we need to specify + # -no-undefined on the libtool link line when we can be certain + # that all symbols are satisfied, otherwise we get a static library. + allow_undefined=yes + ;; + *) + allow_undefined=yes + ;; + esac + libtool_args=$nonopt + base_compile="$nonopt $@" + compile_command=$nonopt + finalize_command=$nonopt + + compile_rpath= + finalize_rpath= + compile_shlibpath= + finalize_shlibpath= + convenience= + old_convenience= + deplibs= + old_deplibs= + compiler_flags= + linker_flags= + dllsearchpath= + lib_search_path=`pwd` + inst_prefix_dir= + new_inherited_linker_flags= + + avoid_version=no + bindir= + dlfiles= + dlprefiles= + dlself=no + export_dynamic=no + export_symbols= + export_symbols_regex= + generated= + libobjs= + ltlibs= + module=no + no_install=no + objs= + non_pic_objects= + precious_files_regex= + prefer_static_libs=no + preload=no + prev= + prevarg= + release= + rpath= + xrpath= + perm_rpath= + temp_rpath= + thread_safe=no + vinfo= + vinfo_number=no + weak_libs= + single_module="${wl}-single_module" + func_infer_tag $base_compile + + # We need to know -static, to get the right output filenames. + for arg + do + case $arg in + -shared) + test "$build_libtool_libs" != yes && \ + func_fatal_configuration "can not build a shared library" + build_old_libs=no + break + ;; + -all-static | -static | -static-libtool-libs) + case $arg in + -all-static) + if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then + func_warning "complete static linking is impossible in this configuration" + fi + if test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + -static) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=built + ;; + -static-libtool-libs) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + esac + build_libtool_libs=no + build_old_libs=yes + break + ;; + esac + done + + # See if our shared archives depend on static archives. + test -n "$old_archive_from_new_cmds" && build_old_libs=yes + + # Go through the arguments, transforming them on the way. + while test "$#" -gt 0; do + arg="$1" + shift + func_quote_for_eval "$arg" + qarg=$func_quote_for_eval_unquoted_result + func_append libtool_args " $func_quote_for_eval_result" + + # If the previous option needs an argument, assign it. + if test -n "$prev"; then + case $prev in + output) + func_append compile_command " @OUTPUT@" + func_append finalize_command " @OUTPUT@" + ;; + esac + + case $prev in + bindir) + bindir="$arg" + prev= + continue + ;; + dlfiles|dlprefiles) + if test "$preload" = no; then + # Add the symbol object into the linking commands. + func_append compile_command " @SYMFILE@" + func_append finalize_command " @SYMFILE@" + preload=yes + fi + case $arg in + *.la | *.lo) ;; # We handle these cases below. + force) + if test "$dlself" = no; then + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + self) + if test "$prev" = dlprefiles; then + dlself=yes + elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then + dlself=yes + else + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + *) + if test "$prev" = dlfiles; then + func_append dlfiles " $arg" + else + func_append dlprefiles " $arg" + fi + prev= + continue + ;; + esac + ;; + expsyms) + export_symbols="$arg" + test -f "$arg" \ + || func_fatal_error "symbol file \`$arg' does not exist" + prev= + continue + ;; + expsyms_regex) + export_symbols_regex="$arg" + prev= + continue + ;; + framework) + case $host in + *-*-darwin*) + case "$deplibs " in + *" $qarg.ltframework "*) ;; + *) func_append deplibs " $qarg.ltframework" # this is fixed later + ;; + esac + ;; + esac + prev= + continue + ;; + inst_prefix) + inst_prefix_dir="$arg" + prev= + continue + ;; + objectlist) + if test -f "$arg"; then + save_arg=$arg + moreargs= + for fil in `cat "$save_arg"` + do +# func_append moreargs " $fil" + arg=$fil + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test "$pic_object" = none && + test "$non_pic_object" = none; then + func_fatal_error "cannot find name of object for \`$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + if test "$pic_object" != none; then + # Prepend the subdirectory the object is found in. + pic_object="$xdir$pic_object" + + if test "$prev" = dlfiles; then + if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test "$prev" = dlprefiles; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg="$pic_object" + fi + + # Non-PIC object. + if test "$non_pic_object" != none; then + # Prepend the subdirectory the object is found in. + non_pic_object="$xdir$non_pic_object" + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test "$pic_object" = none ; then + arg="$non_pic_object" + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object="$pic_object" + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "\`$arg' is not a valid libtool object" + fi + fi + done + else + func_fatal_error "link input file \`$arg' does not exist" + fi + arg=$save_arg + prev= + continue + ;; + precious_regex) + precious_files_regex="$arg" + prev= + continue + ;; + release) + release="-$arg" + prev= + continue + ;; + rpath | xrpath) + # We need an absolute path. + case $arg in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + if test "$prev" = rpath; then + case "$rpath " in + *" $arg "*) ;; + *) func_append rpath " $arg" ;; + esac + else + case "$xrpath " in + *" $arg "*) ;; + *) func_append xrpath " $arg" ;; + esac + fi + prev= + continue + ;; + shrext) + shrext_cmds="$arg" + prev= + continue + ;; + weak) + func_append weak_libs " $arg" + prev= + continue + ;; + xcclinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xcompiler) + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xlinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $wl$qarg" + prev= + func_append compile_command " $wl$qarg" + func_append finalize_command " $wl$qarg" + continue + ;; + *) + eval "$prev=\"\$arg\"" + prev= + continue + ;; + esac + fi # test -n "$prev" + + prevarg="$arg" + + case $arg in + -all-static) + if test -n "$link_static_flag"; then + # See comment for -static flag below, for more details. + func_append compile_command " $link_static_flag" + func_append finalize_command " $link_static_flag" + fi + continue + ;; + + -allow-undefined) + # FIXME: remove this flag sometime in the future. + func_fatal_error "\`-allow-undefined' must not be used because it is the default" + ;; + + -avoid-version) + avoid_version=yes + continue + ;; + + -bindir) + prev=bindir + continue + ;; + + -dlopen) + prev=dlfiles + continue + ;; + + -dlpreopen) + prev=dlprefiles + continue + ;; + + -export-dynamic) + export_dynamic=yes + continue + ;; + + -export-symbols | -export-symbols-regex) + if test -n "$export_symbols" || test -n "$export_symbols_regex"; then + func_fatal_error "more than one -exported-symbols argument is not allowed" + fi + if test "X$arg" = "X-export-symbols"; then + prev=expsyms + else + prev=expsyms_regex + fi + continue + ;; + + -framework) + prev=framework + continue + ;; + + -inst-prefix-dir) + prev=inst_prefix + continue + ;; + + # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* + # so, if we see these flags be careful not to treat them like -L + -L[A-Z][A-Z]*:*) + case $with_gcc/$host in + no/*-*-irix* | /*-*-irix*) + func_append compile_command " $arg" + func_append finalize_command " $arg" + ;; + esac + continue + ;; + + -L*) + func_stripname "-L" '' "$arg" + if test -z "$func_stripname_result"; then + if test "$#" -gt 0; then + func_fatal_error "require no space between \`-L' and \`$1'" + else + func_fatal_error "need path for \`-L' option" + fi + fi + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + absdir=`cd "$dir" && pwd` + test -z "$absdir" && \ + func_fatal_error "cannot determine absolute directory name of \`$dir'" + dir="$absdir" + ;; + esac + case "$deplibs " in + *" -L$dir "* | *" $arg "*) + # Will only happen for absolute or sysroot arguments + ;; + *) + # Preserve sysroot, but never include relative directories + case $dir in + [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; + *) func_append deplibs " -L$dir" ;; + esac + func_append lib_search_path " $dir" + ;; + esac + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$dir:"*) ;; + ::) dllsearchpath=$dir;; + *) func_append dllsearchpath ":$dir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + continue + ;; + + -l*) + if test "X$arg" = "X-lc" || test "X$arg" = "X-lm"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) + # These systems don't actually have a C or math library (as such) + continue + ;; + *-*-os2*) + # These systems don't actually have a C library (as such) + test "X$arg" = "X-lc" && continue + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + test "X$arg" = "X-lc" && continue + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C and math libraries are in the System framework + func_append deplibs " System.ltframework" + continue + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + test "X$arg" = "X-lc" && continue + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + test "X$arg" = "X-lc" && continue + ;; + esac + elif test "X$arg" = "X-lc_r"; then + case $host in + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc_r directly, use -pthread flag. + continue + ;; + esac + fi + func_append deplibs " $arg" + continue + ;; + + -module) + module=yes + continue + ;; + + # Tru64 UNIX uses -model [arg] to determine the layout of C++ + # classes, name mangling, and exception handling. + # Darwin uses the -arch flag to determine output architecture. + -model|-arch|-isysroot|--sysroot) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + prev=xcompiler + continue + ;; + + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case "$new_inherited_linker_flags " in + *" $arg "*) ;; + * ) func_append new_inherited_linker_flags " $arg" ;; + esac + continue + ;; + + -multi_module) + single_module="${wl}-multi_module" + continue + ;; + + -no-fast-install) + fast_install=no + continue + ;; + + -no-install) + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) + # The PATH hackery in wrapper scripts is required on Windows + # and Darwin in order for the loader to find any dlls it needs. + func_warning "\`-no-install' is ignored for $host" + func_warning "assuming \`-no-fast-install' instead" + fast_install=no + ;; + *) no_install=yes ;; + esac + continue + ;; + + -no-undefined) + allow_undefined=no + continue + ;; + + -objectlist) + prev=objectlist + continue + ;; + + -o) prev=output ;; + + -precious-files-regex) + prev=precious_regex + continue + ;; + + -release) + prev=release + continue + ;; + + -rpath) + prev=rpath + continue + ;; + + -R) + prev=xrpath + continue + ;; + + -R*) + func_stripname '-R' '' "$arg" + dir=$func_stripname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + =*) + func_stripname '=' '' "$dir" + dir=$lt_sysroot$func_stripname_result + ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + continue + ;; + + -shared) + # The effects of -shared are defined in a previous loop. + continue + ;; + + -shrext) + prev=shrext + continue + ;; + + -static | -static-libtool-libs) + # The effects of -static are defined in a previous loop. + # We used to do the same as -all-static on platforms that + # didn't have a PIC flag, but the assumption that the effects + # would be equivalent was wrong. It would break on at least + # Digital Unix and AIX. + continue + ;; + + -thread-safe) + thread_safe=yes + continue + ;; + + -version-info) + prev=vinfo + continue + ;; + + -version-number) + prev=vinfo + vinfo_number=yes + continue + ;; + + -weak) + prev=weak + continue + ;; + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs="$IFS"; IFS=',' + for flag in $args; do + IFS="$save_ifs" + func_quote_for_eval "$flag" + func_append arg " $func_quote_for_eval_result" + func_append compiler_flags " $func_quote_for_eval_result" + done + IFS="$save_ifs" + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Wl,*) + func_stripname '-Wl,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs="$IFS"; IFS=',' + for flag in $args; do + IFS="$save_ifs" + func_quote_for_eval "$flag" + func_append arg " $wl$func_quote_for_eval_result" + func_append compiler_flags " $wl$func_quote_for_eval_result" + func_append linker_flags " $func_quote_for_eval_result" + done + IFS="$save_ifs" + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Xcompiler) + prev=xcompiler + continue + ;; + + -Xlinker) + prev=xlinker + continue + ;; + + -XCClinker) + prev=xcclinker + continue + ;; + + # -msg_* for osf cc + -msg_*) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + + # Flags to be passed through unchanged, with rationale: + # -64, -mips[0-9] enable 64-bit mode for the SGI compiler + # -r[0-9][0-9]* specify processor for the SGI compiler + # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler + # +DA*, +DD* enable 64-bit mode for the HP compiler + # -q* compiler args for the IBM compiler + # -m*, -t[45]*, -txscale* architecture-specific flags for GCC + # -F/path path to uninstalled frameworks, gcc on darwin + # -p, -pg, --coverage, -fprofile-* profiling flags for GCC + # @file GCC response files + # -tp=* Portland pgcc target processor selection + # --sysroot=* for sysroot support + # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization + -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ + -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ + -O*|-flto*|-fwhopr*|-fuse-linker-plugin) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + func_append compile_command " $arg" + func_append finalize_command " $arg" + func_append compiler_flags " $arg" + continue + ;; + + # Some other compiler flag. + -* | +*) + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + + *.$objext) + # A standard object. + func_append objs " $arg" + ;; + + *.lo) + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test "$pic_object" = none && + test "$non_pic_object" = none; then + func_fatal_error "cannot find name of object for \`$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + if test "$pic_object" != none; then + # Prepend the subdirectory the object is found in. + pic_object="$xdir$pic_object" + + if test "$prev" = dlfiles; then + if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test "$prev" = dlprefiles; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg="$pic_object" + fi + + # Non-PIC object. + if test "$non_pic_object" != none; then + # Prepend the subdirectory the object is found in. + non_pic_object="$xdir$non_pic_object" + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test "$pic_object" = none ; then + arg="$non_pic_object" + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object="$pic_object" + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir="$func_dirname_result" + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "\`$arg' is not a valid libtool object" + fi + fi + ;; + + *.$libext) + # An archive. + func_append deplibs " $arg" + func_append old_deplibs " $arg" + continue + ;; + + *.la) + # A libtool-controlled library. + + func_resolve_sysroot "$arg" + if test "$prev" = dlfiles; then + # This library was specified with -dlopen. + func_append dlfiles " $func_resolve_sysroot_result" + prev= + elif test "$prev" = dlprefiles; then + # The library was specified with -dlpreopen. + func_append dlprefiles " $func_resolve_sysroot_result" + prev= + else + func_append deplibs " $func_resolve_sysroot_result" + fi + continue + ;; + + # Some other compiler argument. + *) + # Unknown arguments in both finalize_command and compile_command need + # to be aesthetically quoted because they are evaled later. + func_quote_for_eval "$arg" + arg="$func_quote_for_eval_result" + ;; + esac # arg + + # Now actually substitute the argument into the commands. + if test -n "$arg"; then + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + done # argument parsing loop + + test -n "$prev" && \ + func_fatal_help "the \`$prevarg' option requires an argument" + + if test "$export_dynamic" = yes && test -n "$export_dynamic_flag_spec"; then + eval arg=\"$export_dynamic_flag_spec\" + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + + oldlibs= + # calculate the name of the file, without its directory + func_basename "$output" + outputname="$func_basename_result" + libobjs_save="$libobjs" + + if test -n "$shlibpath_var"; then + # get the directories listed in $shlibpath_var + eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` + else + shlib_search_path= + fi + eval sys_lib_search_path=\"$sys_lib_search_path_spec\" + eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" + + func_dirname "$output" "/" "" + output_objdir="$func_dirname_result$objdir" + func_to_tool_file "$output_objdir/" + tool_output_objdir=$func_to_tool_file_result + # Create the object directory. + func_mkdir_p "$output_objdir" + + # Determine the type of output + case $output in + "") + func_fatal_help "you must specify an output file" + ;; + *.$libext) linkmode=oldlib ;; + *.lo | *.$objext) linkmode=obj ;; + *.la) linkmode=lib ;; + *) linkmode=prog ;; # Anything else should be a program. + esac + + specialdeplibs= + + libs= + # Find all interdependent deplibs by searching for libraries + # that are linked more than once (e.g. -la -lb -la) + for deplib in $deplibs; do + if $opt_preserve_dup_deps ; then + case "$libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append libs " $deplib" + done + + if test "$linkmode" = lib; then + libs="$predeps $libs $compiler_lib_search_path $postdeps" + + # Compute libraries that are listed more than once in $predeps + # $postdeps and mark them as special (i.e., whose duplicates are + # not to be eliminated). + pre_post_deps= + if $opt_duplicate_compiler_generated_deps; then + for pre_post_dep in $predeps $postdeps; do + case "$pre_post_deps " in + *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; + esac + func_append pre_post_deps " $pre_post_dep" + done + fi + pre_post_deps= + fi + + deplibs= + newdependency_libs= + newlib_search_path= + need_relink=no # whether we're linking any uninstalled libtool libraries + notinst_deplibs= # not-installed libtool libraries + notinst_path= # paths that contain not-installed libtool libraries + + case $linkmode in + lib) + passes="conv dlpreopen link" + for file in $dlfiles $dlprefiles; do + case $file in + *.la) ;; + *) + func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" + ;; + esac + done + ;; + prog) + compile_deplibs= + finalize_deplibs= + alldeplibs=no + newdlfiles= + newdlprefiles= + passes="conv scan dlopen dlpreopen link" + ;; + *) passes="conv" + ;; + esac + + for pass in $passes; do + # The preopen pass in lib mode reverses $deplibs; put it back here + # so that -L comes before libs that need it for instance... + if test "$linkmode,$pass" = "lib,link"; then + ## FIXME: Find the place where the list is rebuilt in the wrong + ## order, and fix it there properly + tmp_deplibs= + for deplib in $deplibs; do + tmp_deplibs="$deplib $tmp_deplibs" + done + deplibs="$tmp_deplibs" + fi + + if test "$linkmode,$pass" = "lib,link" || + test "$linkmode,$pass" = "prog,scan"; then + libs="$deplibs" + deplibs= + fi + if test "$linkmode" = prog; then + case $pass in + dlopen) libs="$dlfiles" ;; + dlpreopen) libs="$dlprefiles" ;; + link) libs="$deplibs %DEPLIBS% $dependency_libs" ;; + esac + fi + if test "$linkmode,$pass" = "lib,dlpreopen"; then + # Collect and forward deplibs of preopened libtool libs + for lib in $dlprefiles; do + # Ignore non-libtool-libs + dependency_libs= + func_resolve_sysroot "$lib" + case $lib in + *.la) func_source "$func_resolve_sysroot_result" ;; + esac + + # Collect preopened libtool deplibs, except any this library + # has declared as weak libs + for deplib in $dependency_libs; do + func_basename "$deplib" + deplib_base=$func_basename_result + case " $weak_libs " in + *" $deplib_base "*) ;; + *) func_append deplibs " $deplib" ;; + esac + done + done + libs="$dlprefiles" + fi + if test "$pass" = dlopen; then + # Collect dlpreopened libraries + save_deplibs="$deplibs" + deplibs= + fi + + for deplib in $libs; do + lib= + found=no + case $deplib in + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append compiler_flags " $deplib" + if test "$linkmode" = lib ; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -l*) + if test "$linkmode" != lib && test "$linkmode" != prog; then + func_warning "\`-l' is ignored for archives/objects" + continue + fi + func_stripname '-l' '' "$deplib" + name=$func_stripname_result + if test "$linkmode" = lib; then + searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" + else + searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" + fi + for searchdir in $searchdirs; do + for search_ext in .la $std_shrext .so .a; do + # Search the libtool library + lib="$searchdir/lib${name}${search_ext}" + if test -f "$lib"; then + if test "$search_ext" = ".la"; then + found=yes + else + found=no + fi + break 2 + fi + done + done + if test "$found" != yes; then + # deplib doesn't seem to be a libtool library + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" + fi + continue + else # deplib is a libtool library + # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, + # We need to do some special things here, and not later. + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + case " $predeps $postdeps " in + *" $deplib "*) + if func_lalib_p "$lib"; then + library_names= + old_library= + func_source "$lib" + for l in $old_library $library_names; do + ll="$l" + done + if test "X$ll" = "X$old_library" ; then # only static version available + found=no + func_dirname "$lib" "" "." + ladir="$func_dirname_result" + lib=$ladir/$old_library + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + fi + ;; + *) ;; + esac + fi + fi + ;; # -l + *.ltframework) + if test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + if test "$linkmode" = lib ; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -L*) + case $linkmode in + lib) + deplibs="$deplib $deplibs" + test "$pass" = conv && continue + newdependency_libs="$deplib $newdependency_libs" + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + prog) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + continue + fi + if test "$pass" = scan; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + *) + func_warning "\`-L' is ignored for archives/objects" + ;; + esac # linkmode + continue + ;; # -L + -R*) + if test "$pass" = link; then + func_stripname '-R' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # Make sure the xrpath contains only unique directories. + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + fi + deplibs="$deplib $deplibs" + continue + ;; + *.la) + func_resolve_sysroot "$deplib" + lib=$func_resolve_sysroot_result + ;; + *.$libext) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + continue + fi + case $linkmode in + lib) + # Linking convenience modules into shared libraries is allowed, + # but linking other static libraries is non-portable. + case " $dlpreconveniencelibs " in + *" $deplib "*) ;; + *) + valid_a_lib=no + case $deplibs_check_method in + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ + | $EGREP "$match_pattern_regex" > /dev/null; then + valid_a_lib=yes + fi + ;; + pass_all) + valid_a_lib=yes + ;; + esac + if test "$valid_a_lib" != yes; then + echo + $ECHO "*** Warning: Trying to link with static lib archive $deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because the file extensions .$libext of this argument makes me believe" + echo "*** that it is just a static archive that I should not use here." + else + echo + $ECHO "*** Warning: Linking the shared library $output against the" + $ECHO "*** static library $deplib is not portable!" + deplibs="$deplib $deplibs" + fi + ;; + esac + continue + ;; + prog) + if test "$pass" != link; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + continue + ;; + esac # linkmode + ;; # *.$libext + *.lo | *.$objext) + if test "$pass" = conv; then + deplibs="$deplib $deplibs" + elif test "$linkmode" = prog; then + if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then + # If there is no dlopen support or we're linking statically, + # we need to preload. + func_append newdlprefiles " $deplib" + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append newdlfiles " $deplib" + fi + fi + continue + ;; + %DEPLIBS%) + alldeplibs=yes + continue + ;; + esac # case $deplib + + if test "$found" = yes || test -f "$lib"; then : + else + func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" + fi + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$lib" \ + || func_fatal_error "\`$lib' is not a valid libtool archive" + + func_dirname "$lib" "" "." + ladir="$func_dirname_result" + + dlname= + dlopen= + dlpreopen= + libdir= + library_names= + old_library= + inherited_linker_flags= + # If the library was installed with an old release of libtool, + # it will not redefine variables installed, or shouldnotlink + installed=yes + shouldnotlink=no + avoidtemprpath= + + + # Read the .la file + func_source "$lib" + + # Convert "-framework foo" to "foo.ltframework" + if test -n "$inherited_linker_flags"; then + tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` + for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do + case " $new_inherited_linker_flags " in + *" $tmp_inherited_linker_flag "*) ;; + *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; + esac + done + fi + dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + if test "$linkmode,$pass" = "lib,link" || + test "$linkmode,$pass" = "prog,scan" || + { test "$linkmode" != prog && test "$linkmode" != lib; }; then + test -n "$dlopen" && func_append dlfiles " $dlopen" + test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" + fi + + if test "$pass" = conv; then + # Only check for convenience libraries + deplibs="$lib $deplibs" + if test -z "$libdir"; then + if test -z "$old_library"; then + func_fatal_error "cannot find name of link library for \`$lib'" + fi + # It is a libtool convenience library, so add in its objects. + func_append convenience " $ladir/$objdir/$old_library" + func_append old_convenience " $ladir/$objdir/$old_library" + elif test "$linkmode" != prog && test "$linkmode" != lib; then + func_fatal_error "\`$lib' is not a convenience library" + fi + tmp_libs= + for deplib in $dependency_libs; do + deplibs="$deplib $deplibs" + if $opt_preserve_dup_deps ; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done + continue + fi # $pass = conv + + + # Get the name of the library we link against. + linklib= + if test -n "$old_library" && + { test "$prefer_static_libs" = yes || + test "$prefer_static_libs,$installed" = "built,no"; }; then + linklib=$old_library + else + for l in $old_library $library_names; do + linklib="$l" + done + fi + if test -z "$linklib"; then + func_fatal_error "cannot find name of link library for \`$lib'" + fi + + # This library was specified with -dlopen. + if test "$pass" = dlopen; then + if test -z "$libdir"; then + func_fatal_error "cannot -dlopen a convenience library: \`$lib'" + fi + if test -z "$dlname" || + test "$dlopen_support" != yes || + test "$build_libtool_libs" = no; then + # If there is no dlname, no dlopen support or we're linking + # statically, we need to preload. We also need to preload any + # dependent libraries so libltdl's deplib preloader doesn't + # bomb out in the load deplibs phase. + func_append dlprefiles " $lib $dependency_libs" + else + func_append newdlfiles " $lib" + fi + continue + fi # $pass = dlopen + + # We need an absolute path. + case $ladir in + [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; + *) + abs_ladir=`cd "$ladir" && pwd` + if test -z "$abs_ladir"; then + func_warning "cannot determine absolute directory name of \`$ladir'" + func_warning "passing it literally to the linker, although it might fail" + abs_ladir="$ladir" + fi + ;; + esac + func_basename "$lib" + laname="$func_basename_result" + + # Find the relevant object directory and library name. + if test "X$installed" = Xyes; then + if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then + func_warning "library \`$lib' was moved." + dir="$ladir" + absdir="$abs_ladir" + libdir="$abs_ladir" + else + dir="$lt_sysroot$libdir" + absdir="$lt_sysroot$libdir" + fi + test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes + else + if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then + dir="$ladir" + absdir="$abs_ladir" + # Remove this search path later + func_append notinst_path " $abs_ladir" + else + dir="$ladir/$objdir" + absdir="$abs_ladir/$objdir" + # Remove this search path later + func_append notinst_path " $abs_ladir" + fi + fi # $installed = yes + func_stripname 'lib' '.la' "$laname" + name=$func_stripname_result + + # This library was specified with -dlpreopen. + if test "$pass" = dlpreopen; then + if test -z "$libdir" && test "$linkmode" = prog; then + func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" + fi + case "$host" in + # special handling for platforms with PE-DLLs. + *cygwin* | *mingw* | *cegcc* ) + # Linker will automatically link against shared library if both + # static and shared are present. Therefore, ensure we extract + # symbols from the import library if a shared library is present + # (otherwise, the dlopen module name will be incorrect). We do + # this by putting the import library name into $newdlprefiles. + # We recover the dlopen module name by 'saving' the la file + # name in a special purpose variable, and (later) extracting the + # dlname from the la file. + if test -n "$dlname"; then + func_tr_sh "$dir/$linklib" + eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" + func_append newdlprefiles " $dir/$linklib" + else + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + fi + ;; + * ) + # Prefer using a static library (so that no silly _DYNAMIC symbols + # are required to link). + if test -n "$old_library"; then + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + # Otherwise, use the dlname, so that lt_dlopen finds it. + elif test -n "$dlname"; then + func_append newdlprefiles " $dir/$dlname" + else + func_append newdlprefiles " $dir/$linklib" + fi + ;; + esac + fi # $pass = dlpreopen + + if test -z "$libdir"; then + # Link the convenience library + if test "$linkmode" = lib; then + deplibs="$dir/$old_library $deplibs" + elif test "$linkmode,$pass" = "prog,link"; then + compile_deplibs="$dir/$old_library $compile_deplibs" + finalize_deplibs="$dir/$old_library $finalize_deplibs" + else + deplibs="$lib $deplibs" # used for prog,scan pass + fi + continue + fi + + + if test "$linkmode" = prog && test "$pass" != link; then + func_append newlib_search_path " $ladir" + deplibs="$lib $deplibs" + + linkalldeplibs=no + if test "$link_all_deplibs" != no || test -z "$library_names" || + test "$build_libtool_libs" = no; then + linkalldeplibs=yes + fi + + tmp_libs= + for deplib in $dependency_libs; do + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + esac + # Need to link against all dependency_libs? + if test "$linkalldeplibs" = yes; then + deplibs="$deplib $deplibs" + else + # Need to hardcode shared library paths + # or/and link against static libraries + newdependency_libs="$deplib $newdependency_libs" + fi + if $opt_preserve_dup_deps ; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done # for deplib + continue + fi # $linkmode = prog... + + if test "$linkmode,$pass" = "prog,link"; then + if test -n "$library_names" && + { { test "$prefer_static_libs" = no || + test "$prefer_static_libs,$installed" = "built,yes"; } || + test -z "$old_library"; }; then + # We need to hardcode the library path + if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then + # Make sure the rpath contains only unique directories. + case "$temp_rpath:" in + *"$absdir:"*) ;; + *) func_append temp_rpath "$absdir:" ;; + esac + fi + + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi # $linkmode,$pass = prog,link... + + if test "$alldeplibs" = yes && + { test "$deplibs_check_method" = pass_all || + { test "$build_libtool_libs" = yes && + test -n "$library_names"; }; }; then + # We only need to search for static libraries + continue + fi + fi + + link_static=no # Whether the deplib will be linked statically + use_static_libs=$prefer_static_libs + if test "$use_static_libs" = built && test "$installed" = yes; then + use_static_libs=no + fi + if test -n "$library_names" && + { test "$use_static_libs" = no || test -z "$old_library"; }; then + case $host in + *cygwin* | *mingw* | *cegcc*) + # No point in relinking DLLs because paths are not encoded + func_append notinst_deplibs " $lib" + need_relink=no + ;; + *) + if test "$installed" = no; then + func_append notinst_deplibs " $lib" + need_relink=yes + fi + ;; + esac + # This is a shared library + + # Warn about portability, can't link against -module's on some + # systems (darwin). Don't bleat about dlopened modules though! + dlopenmodule="" + for dlpremoduletest in $dlprefiles; do + if test "X$dlpremoduletest" = "X$lib"; then + dlopenmodule="$dlpremoduletest" + break + fi + done + if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then + echo + if test "$linkmode" = prog; then + $ECHO "*** Warning: Linking the executable $output against the loadable module" + else + $ECHO "*** Warning: Linking the shared library $output against the loadable module" + fi + $ECHO "*** $linklib is not portable!" + fi + if test "$linkmode" = lib && + test "$hardcode_into_libs" = yes; then + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi + + if test -n "$old_archive_from_expsyms_cmds"; then + # figure out the soname + set dummy $library_names + shift + realname="$1" + shift + libname=`eval "\\$ECHO \"$libname_spec\""` + # use dlname if we got it. it's perfectly good, no? + if test -n "$dlname"; then + soname="$dlname" + elif test -n "$soname_spec"; then + # bleh windows + case $host in + *cygwin* | mingw* | *cegcc*) + func_arith $current - $age + major=$func_arith_result + versuffix="-$major" + ;; + esac + eval soname=\"$soname_spec\" + else + soname="$realname" + fi + + # Make a new name for the extract_expsyms_cmds to use + soroot="$soname" + func_basename "$soroot" + soname="$func_basename_result" + func_stripname 'lib' '.dll' "$soname" + newlib=libimp-$func_stripname_result.a + + # If the library has no export list, then create one now + if test -f "$output_objdir/$soname-def"; then : + else + func_verbose "extracting exported symbol list from \`$soname'" + func_execute_cmds "$extract_expsyms_cmds" 'exit $?' + fi + + # Create $newlib + if test -f "$output_objdir/$newlib"; then :; else + func_verbose "generating import library for \`$soname'" + func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' + fi + # make sure the library variables are pointing to the new library + dir=$output_objdir + linklib=$newlib + fi # test -n "$old_archive_from_expsyms_cmds" + + if test "$linkmode" = prog || test "$opt_mode" != relink; then + add_shlibpath= + add_dir= + add= + lib_linked=yes + case $hardcode_action in + immediate | unsupported) + if test "$hardcode_direct" = no; then + add="$dir/$linklib" + case $host in + *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; + *-*-sysv4*uw2*) add_dir="-L$dir" ;; + *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ + *-*-unixware7*) add_dir="-L$dir" ;; + *-*-darwin* ) + # if the lib is a (non-dlopened) module then we can not + # link against it, someone is ignoring the earlier warnings + if /usr/bin/file -L $add 2> /dev/null | + $GREP ": [^:]* bundle" >/dev/null ; then + if test "X$dlopenmodule" != "X$lib"; then + $ECHO "*** Warning: lib $linklib is a module, not a shared library" + if test -z "$old_library" ; then + echo + echo "*** And there doesn't seem to be a static archive available" + echo "*** The link will probably fail, sorry" + else + add="$dir/$old_library" + fi + elif test -n "$old_library"; then + add="$dir/$old_library" + fi + fi + esac + elif test "$hardcode_minus_L" = no; then + case $host in + *-*-sunos*) add_shlibpath="$dir" ;; + esac + add_dir="-L$dir" + add="-l$name" + elif test "$hardcode_shlibpath_var" = no; then + add_shlibpath="$dir" + add="-l$name" + else + lib_linked=no + fi + ;; + relink) + if test "$hardcode_direct" = yes && + test "$hardcode_direct_absolute" = no; then + add="$dir/$linklib" + elif test "$hardcode_minus_L" = yes; then + add_dir="-L$absdir" + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add="-l$name" + elif test "$hardcode_shlibpath_var" = yes; then + add_shlibpath="$dir" + add="-l$name" + else + lib_linked=no + fi + ;; + *) lib_linked=no ;; + esac + + if test "$lib_linked" != yes; then + func_fatal_configuration "unsupported hardcode properties" + fi + + if test -n "$add_shlibpath"; then + case :$compile_shlibpath: in + *":$add_shlibpath:"*) ;; + *) func_append compile_shlibpath "$add_shlibpath:" ;; + esac + fi + if test "$linkmode" = prog; then + test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" + test -n "$add" && compile_deplibs="$add $compile_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + if test "$hardcode_direct" != yes && + test "$hardcode_minus_L" != yes && + test "$hardcode_shlibpath_var" = yes; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + fi + fi + fi + + if test "$linkmode" = prog || test "$opt_mode" = relink; then + add_shlibpath= + add_dir= + add= + # Finalize command for both is simple: just hardcode it. + if test "$hardcode_direct" = yes && + test "$hardcode_direct_absolute" = no; then + add="$libdir/$linklib" + elif test "$hardcode_minus_L" = yes; then + add_dir="-L$libdir" + add="-l$name" + elif test "$hardcode_shlibpath_var" = yes; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + add="-l$name" + elif test "$hardcode_automatic" = yes; then + if test -n "$inst_prefix_dir" && + test -f "$inst_prefix_dir$libdir/$linklib" ; then + add="$inst_prefix_dir$libdir/$linklib" + else + add="$libdir/$linklib" + fi + else + # We cannot seem to hardcode it, guess we'll fake it. + add_dir="-L$libdir" + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add="-l$name" + fi + + if test "$linkmode" = prog; then + test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" + test -n "$add" && finalize_deplibs="$add $finalize_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + fi + fi + elif test "$linkmode" = prog; then + # Here we assume that one of hardcode_direct or hardcode_minus_L + # is not unsupported. This is valid on all known static and + # shared platforms. + if test "$hardcode_direct" != unsupported; then + test -n "$old_library" && linklib="$old_library" + compile_deplibs="$dir/$linklib $compile_deplibs" + finalize_deplibs="$dir/$linklib $finalize_deplibs" + else + compile_deplibs="-l$name -L$dir $compile_deplibs" + finalize_deplibs="-l$name -L$dir $finalize_deplibs" + fi + elif test "$build_libtool_libs" = yes; then + # Not a shared library + if test "$deplibs_check_method" != pass_all; then + # We're trying link a shared library against a static one + # but the system doesn't support it. + + # Just print a warning and add the library to dependency_libs so + # that the program can be linked against the static library. + echo + $ECHO "*** Warning: This system can not link to static lib archive $lib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have." + if test "$module" = yes; then + echo "*** But as you try to build a module library, libtool will still create " + echo "*** a static module, that should work as long as the dlopening application" + echo "*** is linked with the -dlopen flag to resolve symbols at runtime." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using \`nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** \`nm' from GNU binutils and a full rebuild may help." + fi + if test "$build_old_libs" = no; then + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + else + deplibs="$dir/$old_library $deplibs" + link_static=yes + fi + fi # link shared/static library? + + if test "$linkmode" = lib; then + if test -n "$dependency_libs" && + { test "$hardcode_into_libs" != yes || + test "$build_old_libs" = yes || + test "$link_static" = yes; }; then + # Extract -R from dependency_libs + temp_deplibs= + for libdir in $dependency_libs; do + case $libdir in + -R*) func_stripname '-R' '' "$libdir" + temp_xrpath=$func_stripname_result + case " $xrpath " in + *" $temp_xrpath "*) ;; + *) func_append xrpath " $temp_xrpath";; + esac;; + *) func_append temp_deplibs " $libdir";; + esac + done + dependency_libs="$temp_deplibs" + fi + + func_append newlib_search_path " $absdir" + # Link against this library + test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" + # ... and its dependency_libs + tmp_libs= + for deplib in $dependency_libs; do + newdependency_libs="$deplib $newdependency_libs" + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result";; + *) func_resolve_sysroot "$deplib" ;; + esac + if $opt_preserve_dup_deps ; then + case "$tmp_libs " in + *" $func_resolve_sysroot_result "*) + func_append specialdeplibs " $func_resolve_sysroot_result" ;; + esac + fi + func_append tmp_libs " $func_resolve_sysroot_result" + done + + if test "$link_all_deplibs" != no; then + # Add the search paths of all dependency libraries + for deplib in $dependency_libs; do + path= + case $deplib in + -L*) path="$deplib" ;; + *.la) + func_resolve_sysroot "$deplib" + deplib=$func_resolve_sysroot_result + func_dirname "$deplib" "" "." + dir=$func_dirname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; + *) + absdir=`cd "$dir" && pwd` + if test -z "$absdir"; then + func_warning "cannot determine absolute directory name of \`$dir'" + absdir="$dir" + fi + ;; + esac + if $GREP "^installed=no" $deplib > /dev/null; then + case $host in + *-*-darwin*) + depdepl= + eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` + if test -n "$deplibrary_names" ; then + for tmp in $deplibrary_names ; do + depdepl=$tmp + done + if test -f "$absdir/$objdir/$depdepl" ; then + depdepl="$absdir/$objdir/$depdepl" + darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + if test -z "$darwin_install_name"; then + darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + fi + func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" + func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" + path= + fi + fi + ;; + *) + path="-L$absdir/$objdir" + ;; + esac + else + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` + test -z "$libdir" && \ + func_fatal_error "\`$deplib' is not a valid libtool archive" + test "$absdir" != "$libdir" && \ + func_warning "\`$deplib' seems to be moved" + + path="-L$absdir" + fi + ;; + esac + case " $deplibs " in + *" $path "*) ;; + *) deplibs="$path $deplibs" ;; + esac + done + fi # link_all_deplibs != no + fi # linkmode = lib + done # for deplib in $libs + if test "$pass" = link; then + if test "$linkmode" = "prog"; then + compile_deplibs="$new_inherited_linker_flags $compile_deplibs" + finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" + else + compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + fi + fi + dependency_libs="$newdependency_libs" + if test "$pass" = dlpreopen; then + # Link the dlpreopened libraries before other libraries + for deplib in $save_deplibs; do + deplibs="$deplib $deplibs" + done + fi + if test "$pass" != dlopen; then + if test "$pass" != conv; then + # Make sure lib_search_path contains only unique directories. + lib_search_path= + for dir in $newlib_search_path; do + case "$lib_search_path " in + *" $dir "*) ;; + *) func_append lib_search_path " $dir" ;; + esac + done + newlib_search_path= + fi + + if test "$linkmode,$pass" != "prog,link"; then + vars="deplibs" + else + vars="compile_deplibs finalize_deplibs" + fi + for var in $vars dependency_libs; do + # Add libraries to $var in reverse order + eval tmp_libs=\"\$$var\" + new_libs= + for deplib in $tmp_libs; do + # FIXME: Pedantically, this is the right thing to do, so + # that some nasty dependency loop isn't accidentally + # broken: + #new_libs="$deplib $new_libs" + # Pragmatically, this seems to cause very few problems in + # practice: + case $deplib in + -L*) new_libs="$deplib $new_libs" ;; + -R*) ;; + *) + # And here is the reason: when a library appears more + # than once as an explicit dependence of a library, or + # is implicitly linked in more than once by the + # compiler, it is considered special, and multiple + # occurrences thereof are not removed. Compare this + # with having the same library being listed as a + # dependency of multiple other libraries: in this case, + # we know (pedantically, we assume) the library does not + # need to be listed more than once, so we keep only the + # last copy. This is not always right, but it is rare + # enough that we require users that really mean to play + # such unportable linking tricks to link the library + # using -Wl,-lname, so that libtool does not consider it + # for duplicate removal. + case " $specialdeplibs " in + *" $deplib "*) new_libs="$deplib $new_libs" ;; + *) + case " $new_libs " in + *" $deplib "*) ;; + *) new_libs="$deplib $new_libs" ;; + esac + ;; + esac + ;; + esac + done + tmp_libs= + for deplib in $new_libs; do + case $deplib in + -L*) + case " $tmp_libs " in + *" $deplib "*) ;; + *) func_append tmp_libs " $deplib" ;; + esac + ;; + *) func_append tmp_libs " $deplib" ;; + esac + done + eval $var=\"$tmp_libs\" + done # for var + fi + # Last step: remove runtime libs from dependency_libs + # (they stay in deplibs) + tmp_libs= + for i in $dependency_libs ; do + case " $predeps $postdeps $compiler_lib_search_path " in + *" $i "*) + i="" + ;; + esac + if test -n "$i" ; then + func_append tmp_libs " $i" + fi + done + dependency_libs=$tmp_libs + done # for pass + if test "$linkmode" = prog; then + dlfiles="$newdlfiles" + fi + if test "$linkmode" = prog || test "$linkmode" = lib; then + dlprefiles="$newdlprefiles" + fi + + case $linkmode in + oldlib) + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + func_warning "\`-dlopen' is ignored for archives" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "\`-l' and \`-L' are ignored for archives" ;; + esac + + test -n "$rpath" && \ + func_warning "\`-rpath' is ignored for archives" + + test -n "$xrpath" && \ + func_warning "\`-R' is ignored for archives" + + test -n "$vinfo" && \ + func_warning "\`-version-info/-version-number' is ignored for archives" + + test -n "$release" && \ + func_warning "\`-release' is ignored for archives" + + test -n "$export_symbols$export_symbols_regex" && \ + func_warning "\`-export-symbols' is ignored for archives" + + # Now set the variables for building old libraries. + build_libtool_libs=no + oldlibs="$output" + func_append objs "$old_deplibs" + ;; + + lib) + # Make sure we only generate libraries of the form `libNAME.la'. + case $outputname in + lib*) + func_stripname 'lib' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + ;; + *) + test "$module" = no && \ + func_fatal_help "libtool library \`$output' must begin with \`lib'" + + if test "$need_lib_prefix" != no; then + # Add the "lib" prefix for modules if required + func_stripname '' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + else + func_stripname '' '.la' "$outputname" + libname=$func_stripname_result + fi + ;; + esac + + if test -n "$objs"; then + if test "$deplibs_check_method" != pass_all; then + func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" + else + echo + $ECHO "*** Warning: Linking the shared library $output against the non-libtool" + $ECHO "*** objects $objs is not portable!" + func_append libobjs " $objs" + fi + fi + + test "$dlself" != no && \ + func_warning "\`-dlopen self' is ignored for libtool libraries" + + set dummy $rpath + shift + test "$#" -gt 1 && \ + func_warning "ignoring multiple \`-rpath's for a libtool library" + + install_libdir="$1" + + oldlibs= + if test -z "$rpath"; then + if test "$build_libtool_libs" = yes; then + # Building a libtool convenience library. + # Some compilers have problems with a `.al' extension so + # convenience libraries should have the same extension an + # archive normally would. + oldlibs="$output_objdir/$libname.$libext $oldlibs" + build_libtool_libs=convenience + build_old_libs=yes + fi + + test -n "$vinfo" && \ + func_warning "\`-version-info/-version-number' is ignored for convenience libraries" + + test -n "$release" && \ + func_warning "\`-release' is ignored for convenience libraries" + else + + # Parse the version information argument. + save_ifs="$IFS"; IFS=':' + set dummy $vinfo 0 0 0 + shift + IFS="$save_ifs" + + test -n "$7" && \ + func_fatal_help "too many parameters to \`-version-info'" + + # convert absolute version numbers to libtool ages + # this retains compatibility with .la files and attempts + # to make the code below a bit more comprehensible + + case $vinfo_number in + yes) + number_major="$1" + number_minor="$2" + number_revision="$3" + # + # There are really only two kinds -- those that + # use the current revision as the major version + # and those that subtract age and use age as + # a minor version. But, then there is irix + # which has an extra 1 added just for fun + # + case $version_type in + # correct linux to gnu/linux during the next big refactor + darwin|linux|osf|windows|none) + func_arith $number_major + $number_minor + current=$func_arith_result + age="$number_minor" + revision="$number_revision" + ;; + freebsd-aout|freebsd-elf|qnx|sunos) + current="$number_major" + revision="$number_minor" + age="0" + ;; + irix|nonstopux) + func_arith $number_major + $number_minor + current=$func_arith_result + age="$number_minor" + revision="$number_minor" + lt_irix_increment=no + ;; + esac + ;; + no) + current="$1" + revision="$2" + age="$3" + ;; + esac + + # Check that each of the things are valid numbers. + case $current in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "CURRENT \`$current' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + case $revision in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "REVISION \`$revision' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + case $age in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "AGE \`$age' must be a nonnegative integer" + func_fatal_error "\`$vinfo' is not valid version information" + ;; + esac + + if test "$age" -gt "$current"; then + func_error "AGE \`$age' is greater than the current interface number \`$current'" + func_fatal_error "\`$vinfo' is not valid version information" + fi + + # Calculate the version variables. + major= + versuffix= + verstring= + case $version_type in + none) ;; + + darwin) + # Like Linux, but with the current version available in + # verstring for coding it into the library header + func_arith $current - $age + major=.$func_arith_result + versuffix="$major.$age.$revision" + # Darwin ld doesn't like 0 for these options... + func_arith $current + 1 + minor_current=$func_arith_result + xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + ;; + + freebsd-aout) + major=".$current" + versuffix=".$current.$revision"; + ;; + + freebsd-elf) + major=".$current" + versuffix=".$current" + ;; + + irix | nonstopux) + if test "X$lt_irix_increment" = "Xno"; then + func_arith $current - $age + else + func_arith $current - $age + 1 + fi + major=$func_arith_result + + case $version_type in + nonstopux) verstring_prefix=nonstopux ;; + *) verstring_prefix=sgi ;; + esac + verstring="$verstring_prefix$major.$revision" + + # Add in all the interfaces that we are compatible with. + loop=$revision + while test "$loop" -ne 0; do + func_arith $revision - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring="$verstring_prefix$major.$iface:$verstring" + done + + # Before this point, $major must not contain `.'. + major=.$major + versuffix="$major.$revision" + ;; + + linux) # correct to gnu/linux during the next big refactor + func_arith $current - $age + major=.$func_arith_result + versuffix="$major.$age.$revision" + ;; + + osf) + func_arith $current - $age + major=.$func_arith_result + versuffix=".$current.$age.$revision" + verstring="$current.$age.$revision" + + # Add in all the interfaces that we are compatible with. + loop=$age + while test "$loop" -ne 0; do + func_arith $current - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring="$verstring:${iface}.0" + done + + # Make executables depend on our current version. + func_append verstring ":${current}.0" + ;; + + qnx) + major=".$current" + versuffix=".$current" + ;; + + sunos) + major=".$current" + versuffix=".$current.$revision" + ;; + + windows) + # Use '-' rather than '.', since we only want one + # extension on DOS 8.3 filesystems. + func_arith $current - $age + major=$func_arith_result + versuffix="-$major" + ;; + + *) + func_fatal_configuration "unknown library version type \`$version_type'" + ;; + esac + + # Clear the version info if we defaulted, and they specified a release. + if test -z "$vinfo" && test -n "$release"; then + major= + case $version_type in + darwin) + # we can't check for "0.0" in archive_cmds due to quoting + # problems, so we reset it completely + verstring= + ;; + *) + verstring="0.0" + ;; + esac + if test "$need_version" = no; then + versuffix= + else + versuffix=".0.0" + fi + fi + + # Remove version info from name if versioning should be avoided + if test "$avoid_version" = yes && test "$need_version" = no; then + major= + versuffix= + verstring="" + fi + + # Check to see if the archive will have undefined symbols. + if test "$allow_undefined" = yes; then + if test "$allow_undefined_flag" = unsupported; then + func_warning "undefined symbols not allowed in $host shared libraries" + build_libtool_libs=no + build_old_libs=yes + fi + else + # Don't allow undefined symbols. + allow_undefined_flag="$no_undefined_flag" + fi + + fi + + func_generate_dlsyms "$libname" "$libname" "yes" + func_append libobjs " $symfileobj" + test "X$libobjs" = "X " && libobjs= + + if test "$opt_mode" != relink; then + # Remove our outputs, but don't remove object files since they + # may have been created when compiling PIC objects. + removelist= + tempremovelist=`$ECHO "$output_objdir/*"` + for p in $tempremovelist; do + case $p in + *.$objext | *.gcno) + ;; + $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) + if test "X$precious_files_regex" != "X"; then + if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 + then + continue + fi + fi + func_append removelist " $p" + ;; + *) ;; + esac + done + test -n "$removelist" && \ + func_show_eval "${RM}r \$removelist" + fi + + # Now set the variables for building old libraries. + if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then + func_append oldlibs " $output_objdir/$libname.$libext" + + # Transform .lo files to .o files. + oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` + fi + + # Eliminate all temporary directories. + #for path in $notinst_path; do + # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` + # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` + # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` + #done + + if test -n "$xrpath"; then + # If the user specified any rpath flags, then add them. + temp_xrpath= + for libdir in $xrpath; do + func_replace_sysroot "$libdir" + func_append temp_xrpath " -R$func_replace_sysroot_result" + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then + dependency_libs="$temp_xrpath $dependency_libs" + fi + fi + + # Make sure dlfiles contains only unique files that won't be dlpreopened + old_dlfiles="$dlfiles" + dlfiles= + for lib in $old_dlfiles; do + case " $dlprefiles $dlfiles " in + *" $lib "*) ;; + *) func_append dlfiles " $lib" ;; + esac + done + + # Make sure dlprefiles contains only unique files + old_dlprefiles="$dlprefiles" + dlprefiles= + for lib in $old_dlprefiles; do + case "$dlprefiles " in + *" $lib "*) ;; + *) func_append dlprefiles " $lib" ;; + esac + done + + if test "$build_libtool_libs" = yes; then + if test -n "$rpath"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) + # these systems don't actually have a c library (as such)! + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C library is in the System framework + func_append deplibs " System.ltframework" + ;; + *-*-netbsd*) + # Don't link with libc until the a.out ld.so is fixed. + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + ;; + *) + # Add libc to deplibs on all other systems if necessary. + if test "$build_libtool_need_lc" = "yes"; then + func_append deplibs " -lc" + fi + ;; + esac + fi + + # Transform deplibs into only deplibs that can be linked in shared. + name_save=$name + libname_save=$libname + release_save=$release + versuffix_save=$versuffix + major_save=$major + # I'm not sure if I'm treating the release correctly. I think + # release should show up in the -l (ie -lgmp5) so we don't want to + # add it in twice. Is that correct? + release="" + versuffix="" + major="" + newdeplibs= + droppeddeps=no + case $deplibs_check_method in + pass_all) + # Don't check for shared/static. Everything works. + # This might be a little naive. We might want to check + # whether the library exists or not. But this is on + # osf3 & osf4 and I'm not really sure... Just + # implementing what was already the behavior. + newdeplibs=$deplibs + ;; + test_compile) + # This code stresses the "libraries are programs" paradigm to its + # limits. Maybe even breaks it. We compile a program, linking it + # against the deplibs as a proxy for the library. Then we can check + # whether they linked in statically or dynamically with ldd. + $opt_dry_run || $RM conftest.c + cat > conftest.c </dev/null` + $nocaseglob + else + potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` + fi + for potent_lib in $potential_libs; do + # Follow soft links. + if ls -lLd "$potent_lib" 2>/dev/null | + $GREP " -> " >/dev/null; then + continue + fi + # The statement above tries to avoid entering an + # endless loop below, in case of cyclic links. + # We might still enter an endless loop, since a link + # loop can be closed while we follow links, + # but so what? + potlib="$potent_lib" + while test -h "$potlib" 2>/dev/null; do + potliblink=`ls -ld $potlib | ${SED} 's/.* -> //'` + case $potliblink in + [\\/]* | [A-Za-z]:[\\/]*) potlib="$potliblink";; + *) potlib=`$ECHO "$potlib" | $SED 's,[^/]*$,,'`"$potliblink";; + esac + done + if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | + $SED -e 10q | + $EGREP "$file_magic_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib="" + break 2 + fi + done + done + fi + if test -n "$a_deplib" ; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib" ; then + $ECHO "*** with $libname but no candidates were found. (...for file magic test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a file magic. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + for a_deplib in $deplibs; do + case $a_deplib in + -l*) + func_stripname -l '' "$a_deplib" + name=$func_stripname_result + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + case " $predeps $postdeps " in + *" $a_deplib "*) + func_append newdeplibs " $a_deplib" + a_deplib="" + ;; + esac + fi + if test -n "$a_deplib" ; then + libname=`eval "\\$ECHO \"$libname_spec\""` + for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do + potential_libs=`ls $i/$libname[.-]* 2>/dev/null` + for potent_lib in $potential_libs; do + potlib="$potent_lib" # see symlink-check above in file_magic test + if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ + $EGREP "$match_pattern_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib="" + break 2 + fi + done + done + fi + if test -n "$a_deplib" ; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib" ; then + $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a regex pattern. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + none | unknown | *) + newdeplibs="" + tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` + if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then + for i in $predeps $postdeps ; do + # can't use Xsed below, because $i might contain '/' + tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` + done + fi + case $tmp_deplibs in + *[!\ \ ]*) + echo + if test "X$deplibs_check_method" = "Xnone"; then + echo "*** Warning: inter-library dependencies are not supported in this platform." + else + echo "*** Warning: inter-library dependencies are not known to be supported." + fi + echo "*** All declared inter-library dependencies are being dropped." + droppeddeps=yes + ;; + esac + ;; + esac + versuffix=$versuffix_save + major=$major_save + release=$release_save + libname=$libname_save + name=$name_save + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library with the System framework + newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + if test "$droppeddeps" = yes; then + if test "$module" = yes; then + echo + echo "*** Warning: libtool could not satisfy all declared inter-library" + $ECHO "*** dependencies of module $libname. Therefore, libtool will create" + echo "*** a static module, that should work as long as the dlopening" + echo "*** application is linked with the -dlopen flag." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using \`nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** \`nm' from GNU binutils and a full rebuild may help." + fi + if test "$build_old_libs" = no; then + oldlibs="$output_objdir/$libname.$libext" + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + else + echo "*** The inter-library dependencies that have been dropped here will be" + echo "*** automatically added whenever a program is linked with this library" + echo "*** or is declared to -dlopen it." + + if test "$allow_undefined" = no; then + echo + echo "*** Since this library must not contain undefined symbols," + echo "*** because either the platform does not support them or" + echo "*** it was explicitly requested with -no-undefined," + echo "*** libtool will only create a static version of it." + if test "$build_old_libs" = no; then + oldlibs="$output_objdir/$libname.$libext" + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + fi + fi + # Done checking deplibs! + deplibs=$newdeplibs + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + case $host in + *-*-darwin*) + newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + deplibs="$new_libs" + + # All the library-specific variables (install_libdir is set above). + library_names= + old_library= + dlname= + + # Test again, we may have decided not to build it any more + if test "$build_libtool_libs" = yes; then + # Remove ${wl} instances when linking with ld. + # FIXME: should test the right _cmds variable. + case $archive_cmds in + *\$LD\ *) wl= ;; + esac + if test "$hardcode_into_libs" = yes; then + # Hardcode the library paths + hardcode_libdirs= + dep_rpath= + rpath="$finalize_rpath" + test "$opt_mode" != relink && rpath="$compile_rpath$rpath" + for libdir in $rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + func_replace_sysroot "$libdir" + libdir=$func_replace_sysroot_result + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append dep_rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" + fi + if test -n "$runpath_var" && test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" + fi + test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" + fi + + shlibpath="$finalize_shlibpath" + test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" + if test -n "$shlibpath"; then + eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" + fi + + # Get the real and link names of the library. + eval shared_ext=\"$shrext_cmds\" + eval library_names=\"$library_names_spec\" + set dummy $library_names + shift + realname="$1" + shift + + if test -n "$soname_spec"; then + eval soname=\"$soname_spec\" + else + soname="$realname" + fi + if test -z "$dlname"; then + dlname=$soname + fi + + lib="$output_objdir/$realname" + linknames= + for link + do + func_append linknames " $link" + done + + # Use standard objects if they are pic + test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` + test "X$libobjs" = "X " && libobjs= + + delfiles= + if test -n "$export_symbols" && test -n "$include_expsyms"; then + $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" + export_symbols="$output_objdir/$libname.uexp" + func_append delfiles " $export_symbols" + fi + + orig_export_symbols= + case $host_os in + cygwin* | mingw* | cegcc*) + if test -n "$export_symbols" && test -z "$export_symbols_regex"; then + # exporting using user supplied symfile + if test "x`$SED 1q $export_symbols`" != xEXPORTS; then + # and it's NOT already a .def file. Must figure out + # which of the given symbols are data symbols and tag + # them as such. So, trigger use of export_symbols_cmds. + # export_symbols gets reassigned inside the "prepare + # the list of exported symbols" if statement, so the + # include_expsyms logic still works. + orig_export_symbols="$export_symbols" + export_symbols= + always_export_symbols=yes + fi + fi + ;; + esac + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then + func_verbose "generating symbol list for \`$libname.la'" + export_symbols="$output_objdir/$libname.exp" + $opt_dry_run || $RM $export_symbols + cmds=$export_symbols_cmds + save_ifs="$IFS"; IFS='~' + for cmd1 in $cmds; do + IFS="$save_ifs" + # Take the normal branch if the nm_file_list_spec branch + # doesn't work or if tool conversion is not needed. + case $nm_file_list_spec~$to_tool_file_cmd in + *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) + try_normal_branch=yes + eval cmd=\"$cmd1\" + func_len " $cmd" + len=$func_len_result + ;; + *) + try_normal_branch=no + ;; + esac + if test "$try_normal_branch" = yes \ + && { test "$len" -lt "$max_cmd_len" \ + || test "$max_cmd_len" -le -1; } + then + func_show_eval "$cmd" 'exit $?' + skipped_export=false + elif test -n "$nm_file_list_spec"; then + func_basename "$output" + output_la=$func_basename_result + save_libobjs=$libobjs + save_output=$output + output=${output_objdir}/${output_la}.nm + func_to_tool_file "$output" + libobjs=$nm_file_list_spec$func_to_tool_file_result + func_append delfiles " $output" + func_verbose "creating $NM input file list: $output" + for obj in $save_libobjs; do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > "$output" + eval cmd=\"$cmd1\" + func_show_eval "$cmd" 'exit $?' + output=$save_output + libobjs=$save_libobjs + skipped_export=false + else + # The command line is too long to execute in one step. + func_verbose "using reloadable object file for export list..." + skipped_export=: + # Break out early, otherwise skipped_export may be + # set to false by a later but shorter cmd. + break + fi + done + IFS="$save_ifs" + if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + fi + + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols="$export_symbols" + test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + + tmp_deplibs= + for test_deplib in $deplibs; do + case " $convenience " in + *" $test_deplib "*) ;; + *) + func_append tmp_deplibs " $test_deplib" + ;; + esac + done + deplibs="$tmp_deplibs" + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec" && + test "$compiler_needs_object" = yes && + test -z "$libobjs"; then + # extract the archives, so we have objects to list. + # TODO: could optimize this to just extract one archive. + whole_archive_flag_spec= + fi + if test -n "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + else + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + fi + + if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then + eval flag=\"$thread_safe_flag_spec\" + func_append linker_flags " $flag" + fi + + # Make a backup of the uninstalled library when relinking + if test "$opt_mode" = relink; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? + fi + + # Do each of the archive commands. + if test "$module" = yes && test -n "$module_cmds" ; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + eval test_cmds=\"$module_expsym_cmds\" + cmds=$module_expsym_cmds + else + eval test_cmds=\"$module_cmds\" + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + eval test_cmds=\"$archive_expsym_cmds\" + cmds=$archive_expsym_cmds + else + eval test_cmds=\"$archive_cmds\" + cmds=$archive_cmds + fi + fi + + if test "X$skipped_export" != "X:" && + func_len " $test_cmds" && + len=$func_len_result && + test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + : + else + # The command line is too long to link in one step, link piecewise + # or, if using GNU ld and skipped_export is not :, use a linker + # script. + + # Save the value of $output and $libobjs because we want to + # use them later. If we have whole_archive_flag_spec, we + # want to use save_libobjs as it was before + # whole_archive_flag_spec was expanded, because we can't + # assume the linker understands whole_archive_flag_spec. + # This may have to be revisited, in case too many + # convenience libraries get linked in and end up exceeding + # the spec. + if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + fi + save_output=$output + func_basename "$output" + output_la=$func_basename_result + + # Clear the reloadable object creation command queue and + # initialize k to one. + test_cmds= + concat_cmds= + objlist= + last_robj= + k=1 + + if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then + output=${output_objdir}/${output_la}.lnkscript + func_verbose "creating GNU ld script: $output" + echo 'INPUT (' > $output + for obj in $save_libobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + echo ')' >> $output + func_append delfiles " $output" + func_to_tool_file "$output" + output=$func_to_tool_file_result + elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then + output=${output_objdir}/${output_la}.lnk + func_verbose "creating linker input file list: $output" + : > $output + set x $save_libobjs + shift + firstobj= + if test "$compiler_needs_object" = yes; then + firstobj="$1 " + shift + fi + for obj + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + func_append delfiles " $output" + func_to_tool_file "$output" + output=$firstobj\"$file_list_spec$func_to_tool_file_result\" + else + if test -n "$save_libobjs"; then + func_verbose "creating reloadable object files..." + output=$output_objdir/$output_la-${k}.$objext + eval test_cmds=\"$reload_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + + # Loop over the list of objects to be linked. + for obj in $save_libobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + if test "X$objlist" = X || + test "$len" -lt "$max_cmd_len"; then + func_append objlist " $obj" + else + # The command $test_cmds is almost too long, add a + # command to the queue. + if test "$k" -eq 1 ; then + # The first file doesn't have a previous command to add. + reload_objs=$objlist + eval concat_cmds=\"$reload_cmds\" + else + # All subsequent reloadable object files will link in + # the last one created. + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" + fi + last_robj=$output_objdir/$output_la-${k}.$objext + func_arith $k + 1 + k=$func_arith_result + output=$output_objdir/$output_la-${k}.$objext + objlist=" $obj" + func_len " $last_robj" + func_arith $len0 + $func_len_result + len=$func_arith_result + fi + done + # Handle the remaining objects by creating one last + # reloadable object file. All subsequent reloadable object + # files will link in the last one created. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\${concat_cmds}$reload_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" + fi + func_append delfiles " $output" + + else + output= + fi + + if ${skipped_export-false}; then + func_verbose "generating symbol list for \`$libname.la'" + export_symbols="$output_objdir/$libname.exp" + $opt_dry_run || $RM $export_symbols + libobjs=$output + # Append the command to create the export file. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + fi + + test -n "$save_libobjs" && + func_verbose "creating a temporary reloadable object file: $output" + + # Loop through the commands generated above and execute them. + save_ifs="$IFS"; IFS='~' + for cmd in $concat_cmds; do + IFS="$save_ifs" + $opt_silent || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test "$opt_mode" = relink; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS="$save_ifs" + + if test -n "$export_symbols_regex" && ${skipped_export-false}; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + + if ${skipped_export-false}; then + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols="$export_symbols" + test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + fi + + libobjs=$output + # Restore the value of output. + output=$save_output + + if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + fi + # Expand the library linking commands again to reset the + # value of $libobjs for piecewise linking. + + # Do each of the archive commands. + if test "$module" = yes && test -n "$module_cmds" ; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + cmds=$module_expsym_cmds + else + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + cmds=$archive_expsym_cmds + else + cmds=$archive_cmds + fi + fi + fi + + if test -n "$delfiles"; then + # Append the command to remove temporary files to $cmds. + eval cmds=\"\$cmds~\$RM $delfiles\" + fi + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + + save_ifs="$IFS"; IFS='~' + for cmd in $cmds; do + IFS="$save_ifs" + eval cmd=\"$cmd\" + $opt_silent || { + func_quote_for_expand "$cmd" + eval "func_echo $func_quote_for_expand_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test "$opt_mode" = relink; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS="$save_ifs" + + # Restore the uninstalled library and exit + if test "$opt_mode" = relink; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? + + if test -n "$convenience"; then + if test -z "$whole_archive_flag_spec"; then + func_show_eval '${RM}r "$gentop"' + fi + fi + + exit $EXIT_SUCCESS + fi + + # Create links to the real library. + for linkname in $linknames; do + if test "$realname" != "$linkname"; then + func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' + fi + done + + # If -module or -export-dynamic was specified, set the dlname. + if test "$module" = yes || test "$export_dynamic" = yes; then + # On all known operating systems, these are identical. + dlname="$soname" + fi + fi + ;; + + obj) + if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then + func_warning "\`-dlopen' is ignored for objects" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "\`-l' and \`-L' are ignored for objects" ;; + esac + + test -n "$rpath" && \ + func_warning "\`-rpath' is ignored for objects" + + test -n "$xrpath" && \ + func_warning "\`-R' is ignored for objects" + + test -n "$vinfo" && \ + func_warning "\`-version-info' is ignored for objects" + + test -n "$release" && \ + func_warning "\`-release' is ignored for objects" + + case $output in + *.lo) + test -n "$objs$old_deplibs" && \ + func_fatal_error "cannot build library object \`$output' from non-libtool objects" + + libobj=$output + func_lo2o "$libobj" + obj=$func_lo2o_result + ;; + *) + libobj= + obj="$output" + ;; + esac + + # Delete the old objects. + $opt_dry_run || $RM $obj $libobj + + # Objects from convenience libraries. This assumes + # single-version convenience libraries. Whenever we create + # different ones for PIC/non-PIC, this we'll have to duplicate + # the extraction. + reload_conv_objs= + gentop= + # reload_cmds runs $LD directly, so let us get rid of + # -Wl from whole_archive_flag_spec and hope we can get by with + # turning comma into space.. + wl= + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec"; then + eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" + reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` + else + gentop="$output_objdir/${obj}x" + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + reload_conv_objs="$reload_objs $func_extract_archives_result" + fi + fi + + # If we're not building shared, we need to use non_pic_objs + test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" + + # Create the old-style object. + reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test + + output="$obj" + func_execute_cmds "$reload_cmds" 'exit $?' + + # Exit if we aren't doing a library object file. + if test -z "$libobj"; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + fi + + if test "$build_libtool_libs" != yes; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + # Create an invalid libtool object if no PIC, so that we don't + # accidentally link it into a program. + # $show "echo timestamp > $libobj" + # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? + exit $EXIT_SUCCESS + fi + + if test -n "$pic_flag" || test "$pic_mode" != default; then + # Only do commands if we really have different PIC objects. + reload_objs="$libobjs $reload_conv_objs" + output="$libobj" + func_execute_cmds "$reload_cmds" 'exit $?' + fi + + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + ;; + + prog) + case $host in + *cygwin*) func_stripname '' '.exe' "$output" + output=$func_stripname_result.exe;; + esac + test -n "$vinfo" && \ + func_warning "\`-version-info' is ignored for programs" + + test -n "$release" && \ + func_warning "\`-release' is ignored for programs" + + test "$preload" = yes \ + && test "$dlopen_support" = unknown \ + && test "$dlopen_self" = unknown \ + && test "$dlopen_self_static" = unknown && \ + func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library is the System framework + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + case $host in + *-*-darwin*) + # Don't allow lazy linking, it breaks C++ global constructors + # But is supposedly fixed on 10.4 or later (yay!). + if test "$tagname" = CXX ; then + case ${MACOSX_DEPLOYMENT_TARGET-10.0} in + 10.[0123]) + func_append compile_command " ${wl}-bind_at_load" + func_append finalize_command " ${wl}-bind_at_load" + ;; + esac + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $compile_deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $compile_deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + compile_deplibs="$new_libs" + + + func_append compile_command " $compile_deplibs" + func_append finalize_command " $finalize_deplibs" + + if test -n "$rpath$xrpath"; then + # If the user specified any rpath flags, then add them. + for libdir in $rpath $xrpath; do + # This is the magic to use -rpath. + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + fi + + # Now hardcode the library paths + rpath= + hardcode_libdirs= + for libdir in $compile_rpath $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$libdir:"*) ;; + ::) dllsearchpath=$libdir;; + *) func_append dllsearchpath ":$libdir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + compile_rpath="$rpath" + + rpath= + hardcode_libdirs= + for libdir in $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs="$libdir" + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$finalize_perm_rpath " in + *" $libdir "*) ;; + *) func_append finalize_perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir="$hardcode_libdirs" + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + finalize_rpath="$rpath" + + if test -n "$libobjs" && test "$build_old_libs" = yes; then + # Transform all the library objects into standard objects. + compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + fi + + func_generate_dlsyms "$outputname" "@PROGRAM@" "no" + + # template prelinking step + if test -n "$prelink_cmds"; then + func_execute_cmds "$prelink_cmds" 'exit $?' + fi + + wrappers_required=yes + case $host in + *cegcc* | *mingw32ce*) + # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. + wrappers_required=no + ;; + *cygwin* | *mingw* ) + if test "$build_libtool_libs" != yes; then + wrappers_required=no + fi + ;; + *) + if test "$need_relink" = no || test "$build_libtool_libs" != yes; then + wrappers_required=no + fi + ;; + esac + if test "$wrappers_required" = no; then + # Replace the output file specification. + compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + link_command="$compile_command$compile_rpath" + + # We have no uninstalled library dependencies, so finalize right now. + exit_status=0 + func_show_eval "$link_command" 'exit_status=$?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Delete the generated files. + if test -f "$output_objdir/${outputname}S.${objext}"; then + func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' + fi + + exit $exit_status + fi + + if test -n "$compile_shlibpath$finalize_shlibpath"; then + compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" + fi + if test -n "$finalize_shlibpath"; then + finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" + fi + + compile_var= + finalize_var= + if test -n "$runpath_var"; then + if test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + compile_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + if test -n "$finalize_perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $finalize_perm_rpath; do + func_append rpath "$dir:" + done + finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + fi + + if test "$no_install" = yes; then + # We don't need to create a wrapper script. + link_command="$compile_var$compile_command$compile_rpath" + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + # Delete the old output file. + $opt_dry_run || $RM $output + # Link the executable and exit + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + exit $EXIT_SUCCESS + fi + + if test "$hardcode_action" = relink; then + # Fast installation is not supported + link_command="$compile_var$compile_command$compile_rpath" + relink_command="$finalize_var$finalize_command$finalize_rpath" + + func_warning "this platform does not like uninstalled shared libraries" + func_warning "\`$output' will be relinked during installation" + else + if test "$fast_install" != no; then + link_command="$finalize_var$compile_command$finalize_rpath" + if test "$fast_install" = yes; then + relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` + else + # fast_install is set to needless + relink_command= + fi + else + link_command="$compile_var$compile_command$compile_rpath" + relink_command="$finalize_var$finalize_command$finalize_rpath" + fi + fi + + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` + + # Delete the old output files. + $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname + + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output_objdir/$outputname" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Now create the wrapper script. + func_verbose "creating $output" + + # Quote the relink command for shipping. + if test -n "$relink_command"; then + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + relink_command="(cd `pwd`; $relink_command)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + fi + + # Only actually do things if not in dry run mode. + $opt_dry_run || { + # win32 will think the script is a binary if it has + # a .exe suffix, so we strip it off here. + case $output in + *.exe) func_stripname '' '.exe' "$output" + output=$func_stripname_result ;; + esac + # test for cygwin because mv fails w/o .exe extensions + case $host in + *cygwin*) + exeext=.exe + func_stripname '' '.exe' "$outputname" + outputname=$func_stripname_result ;; + *) exeext= ;; + esac + case $host in + *cygwin* | *mingw* ) + func_dirname_and_basename "$output" "" "." + output_name=$func_basename_result + output_path=$func_dirname_result + cwrappersource="$output_path/$objdir/lt-$output_name.c" + cwrapper="$output_path/$output_name.exe" + $RM $cwrappersource $cwrapper + trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 + + func_emit_cwrapperexe_src > $cwrappersource + + # The wrapper executable is built using the $host compiler, + # because it contains $host paths and files. If cross- + # compiling, it, like the target executable, must be + # executed on the $host or under an emulation environment. + $opt_dry_run || { + $LTCC $LTCFLAGS -o $cwrapper $cwrappersource + $STRIP $cwrapper + } + + # Now, create the wrapper script for func_source use: + func_ltwrapper_scriptname $cwrapper + $RM $func_ltwrapper_scriptname_result + trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 + $opt_dry_run || { + # note: this script will not be executed, so do not chmod. + if test "x$build" = "x$host" ; then + $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result + else + func_emit_wrapper no > $func_ltwrapper_scriptname_result + fi + } + ;; + * ) + $RM $output + trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 + + func_emit_wrapper no > $output + chmod +x $output + ;; + esac + } + exit $EXIT_SUCCESS + ;; + esac + + # See if we need to build an old-fashioned archive. + for oldlib in $oldlibs; do + + if test "$build_libtool_libs" = convenience; then + oldobjs="$libobjs_save $symfileobj" + addlibs="$convenience" + build_libtool_libs=no + else + if test "$build_libtool_libs" = module; then + oldobjs="$libobjs_save" + build_libtool_libs=no + else + oldobjs="$old_deplibs $non_pic_objects" + if test "$preload" = yes && test -f "$symfileobj"; then + func_append oldobjs " $symfileobj" + fi + fi + addlibs="$old_convenience" + fi + + if test -n "$addlibs"; then + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $addlibs + func_append oldobjs " $func_extract_archives_result" + fi + + # Do each command in the archive commands. + if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then + cmds=$old_archive_from_new_cmds + else + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append oldobjs " $func_extract_archives_result" + fi + + # POSIX demands no paths to be encoded in archives. We have + # to avoid creating archives with duplicate basenames if we + # might have to extract them afterwards, e.g., when creating a + # static archive out of a convenience library, or when linking + # the entirety of a libtool archive into another (currently + # not supported by libtool). + if (for obj in $oldobjs + do + func_basename "$obj" + $ECHO "$func_basename_result" + done | sort | sort -uc >/dev/null 2>&1); then + : + else + echo "copying selected object files to avoid basename conflicts..." + gentop="$output_objdir/${outputname}x" + func_append generated " $gentop" + func_mkdir_p "$gentop" + save_oldobjs=$oldobjs + oldobjs= + counter=1 + for obj in $save_oldobjs + do + func_basename "$obj" + objbase="$func_basename_result" + case " $oldobjs " in + " ") oldobjs=$obj ;; + *[\ /]"$objbase "*) + while :; do + # Make sure we don't pick an alternate name that also + # overlaps. + newobj=lt$counter-$objbase + func_arith $counter + 1 + counter=$func_arith_result + case " $oldobjs " in + *[\ /]"$newobj "*) ;; + *) if test ! -f "$gentop/$newobj"; then break; fi ;; + esac + done + func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" + func_append oldobjs " $gentop/$newobj" + ;; + *) func_append oldobjs " $obj" ;; + esac + done + fi + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + eval cmds=\"$old_archive_cmds\" + + func_len " $cmds" + len=$func_len_result + if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + cmds=$old_archive_cmds + elif test -n "$archiver_list_spec"; then + func_verbose "using command file archive linking..." + for obj in $oldobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > $output_objdir/$libname.libcmd + func_to_tool_file "$output_objdir/$libname.libcmd" + oldobjs=" $archiver_list_spec$func_to_tool_file_result" + cmds=$old_archive_cmds + else + # the command line is too long to link in one step, link in parts + func_verbose "using piecewise archive linking..." + save_RANLIB=$RANLIB + RANLIB=: + objlist= + concat_cmds= + save_oldobjs=$oldobjs + oldobjs= + # Is there a better way of finding the last object in the list? + for obj in $save_oldobjs + do + last_oldobj=$obj + done + eval test_cmds=\"$old_archive_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + for obj in $save_oldobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + func_append objlist " $obj" + if test "$len" -lt "$max_cmd_len"; then + : + else + # the above command should be used before it gets too long + oldobjs=$objlist + if test "$obj" = "$last_oldobj" ; then + RANLIB=$save_RANLIB + fi + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\${concat_cmds}$old_archive_cmds\" + objlist= + len=$len0 + fi + done + RANLIB=$save_RANLIB + oldobjs=$objlist + if test "X$oldobjs" = "X" ; then + eval cmds=\"\$concat_cmds\" + else + eval cmds=\"\$concat_cmds~\$old_archive_cmds\" + fi + fi + fi + func_execute_cmds "$cmds" 'exit $?' + done + + test -n "$generated" && \ + func_show_eval "${RM}r$generated" + + # Now create the libtool archive. + case $output in + *.la) + old_library= + test "$build_old_libs" = yes && old_library="$libname.$libext" + func_verbose "creating $output" + + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_for_eval "$var_value" + relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" + fi + done + # Quote the link command for shipping. + relink_command="(cd `pwd`; $SHELL $progpath $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" + relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` + if test "$hardcode_automatic" = yes ; then + relink_command= + fi + + # Only create the output if not a dry run. + $opt_dry_run || { + for installed in no yes; do + if test "$installed" = yes; then + if test -z "$install_libdir"; then + break + fi + output="$output_objdir/$outputname"i + # Replace all uninstalled libtool libraries with the installed ones + newdependency_libs= + for deplib in $dependency_libs; do + case $deplib in + *.la) + func_basename "$deplib" + name="$func_basename_result" + func_resolve_sysroot "$deplib" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result` + test -z "$libdir" && \ + func_fatal_error "\`$deplib' is not a valid libtool archive" + func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" + ;; + -L*) + func_stripname -L '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -L$func_replace_sysroot_result" + ;; + -R*) + func_stripname -R '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -R$func_replace_sysroot_result" + ;; + *) func_append newdependency_libs " $deplib" ;; + esac + done + dependency_libs="$newdependency_libs" + newdlfiles= + + for lib in $dlfiles; do + case $lib in + *.la) + func_basename "$lib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "\`$lib' is not a valid libtool archive" + func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" + ;; + *) func_append newdlfiles " $lib" ;; + esac + done + dlfiles="$newdlfiles" + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + *.la) + # Only pass preopened files to the pseudo-archive (for + # eventual linking with the app. that links it) if we + # didn't already link the preopened objects directly into + # the library: + func_basename "$lib" + name="$func_basename_result" + eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "\`$lib' is not a valid libtool archive" + func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" + ;; + esac + done + dlprefiles="$newdlprefiles" + else + newdlfiles= + for lib in $dlfiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlfiles " $abs" + done + dlfiles="$newdlfiles" + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs="$lib" ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlprefiles " $abs" + done + dlprefiles="$newdlprefiles" + fi + $RM $output + # place dlname in correct position for cygwin + # In fact, it would be nice if we could use this code for all target + # systems that can't hard-code library paths into their executables + # and that have no shared library path variable independent of PATH, + # but it turns out we can't easily determine that from inspecting + # libtool variables, so we have to hard-code the OSs to which it + # applies here; at the moment, that means platforms that use the PE + # object format with DLL files. See the long comment at the top of + # tests/bindir.at for full details. + tdlname=$dlname + case $host,$output,$installed,$module,$dlname in + *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll) + # If a -bindir argument was supplied, place the dll there. + if test "x$bindir" != x ; + then + func_relative_path "$install_libdir" "$bindir" + tdlname=$func_relative_path_result$dlname + else + # Otherwise fall back on heuristic. + tdlname=../bin/$dlname + fi + ;; + esac + $ECHO > $output "\ +# $outputname - a libtool library file +# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# The name that we can dlopen(3). +dlname='$tdlname' + +# Names of this library. +library_names='$library_names' + +# The name of the static archive. +old_library='$old_library' + +# Linker flags that can not go in dependency_libs. +inherited_linker_flags='$new_inherited_linker_flags' + +# Libraries that this one depends upon. +dependency_libs='$dependency_libs' + +# Names of additional weak libraries provided by this library +weak_library_names='$weak_libs' + +# Version information for $libname. +current=$current +age=$age +revision=$revision + +# Is this an already installed library? +installed=$installed + +# Should we warn about portability when linking against -modules? +shouldnotlink=$module + +# Files to dlopen/dlpreopen +dlopen='$dlfiles' +dlpreopen='$dlprefiles' + +# Directory that this library needs to be installed in: +libdir='$install_libdir'" + if test "$installed" = no && test "$need_relink" = yes; then + $ECHO >> $output "\ +relink_command=\"$relink_command\"" + fi + done + } + + # Do a symbolic link so that the libtool archive can be found in + # LD_LIBRARY_PATH before the program is installed. + func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?' + ;; + esac + exit $EXIT_SUCCESS +} + +{ test "$opt_mode" = link || test "$opt_mode" = relink; } && + func_mode_link ${1+"$@"} + + +# func_mode_uninstall arg... +func_mode_uninstall () +{ + $opt_debug + RM="$nonopt" + files= + rmforce= + exit_status=0 + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic="$magic" + + for arg + do + case $arg in + -f) func_append RM " $arg"; rmforce=yes ;; + -*) func_append RM " $arg" ;; + *) func_append files " $arg" ;; + esac + done + + test -z "$RM" && \ + func_fatal_help "you must specify an RM program" + + rmdirs= + + for file in $files; do + func_dirname "$file" "" "." + dir="$func_dirname_result" + if test "X$dir" = X.; then + odir="$objdir" + else + odir="$dir/$objdir" + fi + func_basename "$file" + name="$func_basename_result" + test "$opt_mode" = uninstall && odir="$dir" + + # Remember odir for removal later, being careful to avoid duplicates + if test "$opt_mode" = clean; then + case " $rmdirs " in + *" $odir "*) ;; + *) func_append rmdirs " $odir" ;; + esac + fi + + # Don't error if the file doesn't exist and rm -f was used. + if { test -L "$file"; } >/dev/null 2>&1 || + { test -h "$file"; } >/dev/null 2>&1 || + test -f "$file"; then + : + elif test -d "$file"; then + exit_status=1 + continue + elif test "$rmforce" = yes; then + continue + fi + + rmfiles="$file" + + case $name in + *.la) + # Possibly a libtool archive, so verify it. + if func_lalib_p "$file"; then + func_source $dir/$name + + # Delete the libtool libraries and symlinks. + for n in $library_names; do + func_append rmfiles " $odir/$n" + done + test -n "$old_library" && func_append rmfiles " $odir/$old_library" + + case "$opt_mode" in + clean) + case " $library_names " in + *" $dlname "*) ;; + *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;; + esac + test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i" + ;; + uninstall) + if test -n "$library_names"; then + # Do each command in the postuninstall commands. + func_execute_cmds "$postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' + fi + + if test -n "$old_library"; then + # Do each command in the old_postuninstall commands. + func_execute_cmds "$old_postuninstall_cmds" 'test "$rmforce" = yes || exit_status=1' + fi + # FIXME: should reinstall the best remaining shared library. + ;; + esac + fi + ;; + + *.lo) + # Possibly a libtool object, so verify it. + if func_lalib_p "$file"; then + + # Read the .lo file + func_source $dir/$name + + # Add PIC object to the list of files to remove. + if test -n "$pic_object" && + test "$pic_object" != none; then + func_append rmfiles " $dir/$pic_object" + fi + + # Add non-PIC object to the list of files to remove. + if test -n "$non_pic_object" && + test "$non_pic_object" != none; then + func_append rmfiles " $dir/$non_pic_object" + fi + fi + ;; + + *) + if test "$opt_mode" = clean ; then + noexename=$name + case $file in + *.exe) + func_stripname '' '.exe' "$file" + file=$func_stripname_result + func_stripname '' '.exe' "$name" + noexename=$func_stripname_result + # $file with .exe has already been added to rmfiles, + # add $file without .exe + func_append rmfiles " $file" + ;; + esac + # Do a test to see if this is a libtool program. + if func_ltwrapper_p "$file"; then + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + relink_command= + func_source $func_ltwrapper_scriptname_result + func_append rmfiles " $func_ltwrapper_scriptname_result" + else + relink_command= + func_source $dir/$noexename + fi + + # note $name still contains .exe if it was in $file originally + # as does the version of $file that was added into $rmfiles + func_append rmfiles " $odir/$name $odir/${name}S.${objext}" + if test "$fast_install" = yes && test -n "$relink_command"; then + func_append rmfiles " $odir/lt-$name" + fi + if test "X$noexename" != "X$name" ; then + func_append rmfiles " $odir/lt-${noexename}.c" + fi + fi + fi + ;; + esac + func_show_eval "$RM $rmfiles" 'exit_status=1' + done + + # Try to remove the ${objdir}s in the directories where we deleted files + for dir in $rmdirs; do + if test -d "$dir"; then + func_show_eval "rmdir $dir >/dev/null 2>&1" + fi + done + + exit $exit_status +} + +{ test "$opt_mode" = uninstall || test "$opt_mode" = clean; } && + func_mode_uninstall ${1+"$@"} + +test -z "$opt_mode" && { + help="$generic_help" + func_fatal_help "you must specify a MODE" +} + +test -z "$exec_cmd" && \ + func_fatal_help "invalid operation mode \`$opt_mode'" + +if test -n "$exec_cmd"; then + eval exec "$exec_cmd" + exit $EXIT_FAILURE +fi + +exit $exit_status + + +# The TAGs below are defined such that we never get into a situation +# in which we disable both kinds of libraries. Given conflicting +# choices, we go for a static library, that is the most portable, +# since we can't tell whether shared libraries were disabled because +# the user asked for that or because the platform doesn't support +# them. This is particularly important on AIX, because we don't +# support having both static and shared libraries enabled at the same +# time on that platform, so we default to a shared-only configuration. +# If a disable-shared tag is given, we'll fallback to a static-only +# configuration. But we'll never go from static-only to shared-only. + +# ### BEGIN LIBTOOL TAG CONFIG: disable-shared +build_libtool_libs=no +build_old_libs=yes +# ### END LIBTOOL TAG CONFIG: disable-shared + +# ### BEGIN LIBTOOL TAG CONFIG: disable-static +build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac` +# ### END LIBTOOL TAG CONFIG: disable-static + +# Local Variables: +# mode:shell-script +# sh-indentation:2 +# End: +# vi:sw=2 + diff --git a/build/missing b/build/missing new file mode 100755 index 0000000..db98974 --- /dev/null +++ b/build/missing @@ -0,0 +1,215 @@ +#! /bin/sh +# Common wrapper for a few potentially missing GNU programs. + +scriptversion=2013-10-28.13; # UTC + +# Copyright (C) 1996-2013 Free Software Foundation, Inc. +# Originally written by Fran,cois Pinard , 1996. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +if test $# -eq 0; then + echo 1>&2 "Try '$0 --help' for more information" + exit 1 +fi + +case $1 in + + --is-lightweight) + # Used by our autoconf macros to check whether the available missing + # script is modern enough. + exit 0 + ;; + + --run) + # Back-compat with the calling convention used by older automake. + shift + ;; + + -h|--h|--he|--hel|--help) + echo "\ +$0 [OPTION]... PROGRAM [ARGUMENT]... + +Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due +to PROGRAM being missing or too old. + +Options: + -h, --help display this help and exit + -v, --version output version information and exit + +Supported PROGRAM values: + aclocal autoconf autoheader autom4te automake makeinfo + bison yacc flex lex help2man + +Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and +'g' are ignored when checking the name. + +Send bug reports to ." + exit $? + ;; + + -v|--v|--ve|--ver|--vers|--versi|--versio|--version) + echo "missing $scriptversion (GNU Automake)" + exit $? + ;; + + -*) + echo 1>&2 "$0: unknown '$1' option" + echo 1>&2 "Try '$0 --help' for more information" + exit 1 + ;; + +esac + +# Run the given program, remember its exit status. +"$@"; st=$? + +# If it succeeded, we are done. +test $st -eq 0 && exit 0 + +# Also exit now if we it failed (or wasn't found), and '--version' was +# passed; such an option is passed most likely to detect whether the +# program is present and works. +case $2 in --version|--help) exit $st;; esac + +# Exit code 63 means version mismatch. This often happens when the user +# tries to use an ancient version of a tool on a file that requires a +# minimum version. +if test $st -eq 63; then + msg="probably too old" +elif test $st -eq 127; then + # Program was missing. + msg="missing on your system" +else + # Program was found and executed, but failed. 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[3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/build/win32/vs10/README.txt b/build/win32/vs10/README.txt new file mode 100644 index 0000000..13303df --- /dev/null +++ b/build/win32/vs10/README.txt @@ -0,0 +1,89 @@ +Note that all this is rather experimental. + +A more detailed description on using Visual C++ to compile COGL with +its dependencies can be found on the following GNOME Live! page: + +https://live.gnome.org/GTK%2B/Win32/MSVCCompilationOfGTKStack + +Please do not attempt to compile Cogl in a path that contains spaces +to avoid potential problems during compilation, linking or usage. + +This VS10 solution and the projects it includes are intented to be used +in a Cogl source tree unpacked from a tarball. In a git checkout you +first need to use some Unix-like environment or manual work to expand +the files needed, like config.h.win32.in into config.h.win32 and the +.vcprojin files here into corresponding actual .vcproj files. + +You will need the parts from GNOME: GDK-Pixbuf, Pango* and GLib. +External dependencies are at least zlib, libpng, +gettext-runtime* and Cairo*, and glext.h from +http://www.opengl.org/registry/api/glext.h (which need to be in the GL folder +in your include directories or in \vs10\\include\GL). Please +note that although the Cogl source package does allow one to build Cogl without +a previously built and installed GLib, the Visual Studio projects only support +builds that does depend on GLib. + +Please see the README file in the root directory of this Cogl source package +for the versions of the dependencies required. See also +build/win32/vs10/README.txt in the GLib source package for details +where to unpack them. It is recommended that at least the dependencies +from GNOME are also built with VS10 to avoid crashes caused by mixing different +CRTs-please see also the build/win32/vs10/README.txt in those respective packages. + +If building the SDL2 winsys is desired (the *_SDL configs), you will also need the +SDL2 libraries from www.libsdl.org-building the SDL source package with Visual C++ 2010 +is recommended via CMake, but one may want to use the Visual C++ binary packages +from that website. Since Cogl-1.18.x, the Visual Studio Projects have been updated +to support the build of the SDL2 winsys in place of the original SDL-1.3 winsys +as SDL-2.x has been released for some time. Please note, as builds with the SDL2 +winsys includes the SDL2 headers, main() will be defined to SDL2's special main() +implementation on Windows, which will require linking to SDL2.lib and SDL2main.lib +for all apps that link to Cogl, unless SDL_MAIN_HANDLED is defined in your +"preprocessor definitions" options. + +The recommended build sequence of the dependencies are as follows (the non-GNOME +packages that are not downloaded as binaries from ftp://ftp.gnome.org have +makefiles and/or VS project files that can be used to compile with VS directly, +except the optional PCRE, which is built on VS using CMake; GLib has +VS10 project files in the latest stable versions, GDK-Pixbuf have VS10 project files +in the latest unstable version, and Pango should have VS10 project files +in the next unstable release): +-Unzip the binary packages for gettext-runtime, freetype, expat and fontconfig + downloaded from ftp://ftp.gnome.org* +-zlib +-libpng +-(optional for GLib) PCRE (8.12 or later, building PCRE using CMake is + recommended-please see build/win32/vs10/README.txt in the GLib source package) +-(for gdk-pixbuf, if GDI+ is not to be used) IJG JPEG or libjpeg-turbo +-(for gdk-pixbuf, if GDI+ is not to be used) jasper [JPEG-2000 library] +-(for gdk-pixbuf, if GDI+ is not to be used, requires zlib and IJG JPEG/libjpeg-turbo) + libtiff +-GLib +-Cairo +-Pango +-GDK-Pixbuf + +The "install" project will copy build results and headers into their +appropriate location under \vs10\. For instance, +built DLLs go into \vs10\\bin, built LIBs into +\vs10\\lib and Cogl headers into +\vs10\\include\Cogl-2.0. + +*There is no known official VS10 build support for fontconfig + (required for Pango and Pango at the moment-I will see whether this + requirement can be made optional for VS builds) + (along with freetype and expat) and gettext-runtime, so + please use the binaries from: + + ftp://ftp.gnome.org/pub/GNOME/binaries/win32/dependencies/ (32 bit) + ftp://ftp.gnome.org/pub/GNOME/binaries/win64/dependencies/ (64 bit) + +Note: If you see C4819 warnings and you are compiling Cogl on a DBCS +(Chinese/Korean/Japanese) version of Windows, you may need to switch +to an English locale in Control Panel->Region and Languages->System-> +Change System Locale, reboot and rebuild to ensure Cogl and its +dependencies are built correctly. This is due to a bug in Visual C++ +running on DBCS locales. + +--Chun-wei Fan + (Adopted from the GTK+ Win32 VS README.txt file originally by Tor Lillqvist) diff --git a/build/win32/vs10/cogl-build-defines.props b/build/win32/vs10/cogl-build-defines.props new file mode 100644 index 0000000..eefe1a6 --- /dev/null +++ b/build/win32/vs10/cogl-build-defines.props @@ -0,0 +1,59 @@ + + + + + + + _WIN32_WINNT=0x0500;COGL_ENABLE_DEBUG + HAVE_CONFIG_H;COGL_COMPILATION;$(BaseBuildDefines) + $(LibBuildDefines);G_DISABLE_CHECKS;G_DISABLE_CAST_CHECKS + _DEBUG;$(LibBuildDefines);COGL_GL_DEBUG;COGL_OBJECT_DEBUG;COGL_HANDLE_DEBUG + G_LOG_DOMAIN="Cogl";COGL_HAS_WIN32_SUPPORT;COGL_BUILD_EXP;COGL_GL_LIBNAME="";COGL_LOCALEDIR="/some/random/dir" + G_LOG_DOMAIN="CoglPath" + G_LOG_DOMAIN="Cogl-Pango" + SDL_MAIN_HANDLED + + + <_PropertySheetDisplayName>coglbuilddefinesprops + $(SolutionDir)$(Configuration)\$(PlatformName)\bin\ + $(SolutionDir)$(Configuration)\$(PlatformName)\obj\$(ProjectName)\ + + + + ..\..\..;..\..\..\cogl;..\..\..\cogl\winsys;$(GlibEtcInstallRoot)\include;$(GlibEtcInstallRoot)\include\glib-2.0;$(GlibEtcInstallRoot)\include\cairo;$(GlibEtcInstallRoot)\include\pango-1.0;$(GlibEtcInstallRoot)\include\gdk-pixbuf-2.0;$(GlibEtcInstallRoot)\lib\glib-2.0\include;%(AdditionalIncludeDirectories) + G_DISABLE_SINGLE_INCLUDES;%(PreprocessorDefinitions) + msvc_recommended_pragmas.h;%(ForcedIncludeFiles) + %(DisableSpecificWarnings) + + + glib-2.0.lib;gobject-2.0.lib;%(AdditionalDependencies) + $(GlibEtcInstallRoot)\lib;%(AdditionalLibraryDirectories) + + + + + $(BaseBuildDefines) + + + $(LibBuildDefines) + + + $(ReleaseLibBuildDefines) + + + $(DebugLibBuildDefines) + + + $(CoglBuildDefines) + + + $(CoglPathBuildDefines) + + + $(CoglPangoBuildDefines) + + + $(CoglAppAvoidForcedSDLLinkingDefines) + + + diff --git a/build/win32/vs10/cogl-crate.vcxproj b/build/win32/vs10/cogl-crate.vcxproj new file mode 100644 index 0000000..d99a487 --- /dev/null +++ b/build/win32/vs10/cogl-crate.vcxproj @@ -0,0 +1,176 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {DE1A2710-04BB-4C3D-90C1-B070E326B1CF} + cogl-crate + Win32Proj + + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + true + true + false + false + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;COGL_EXAMPLES_DATA="../share/cogl-$(ApiVersion)/examples-data/";$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + true + Console + MachineX86 + + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;COGL_EXAMPLES_DATA="../share/cogl-$(ApiVersion)/examples-data/";$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + CompileAsC + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + true + Console + false + + + MachineX64 + + + + + MaxSpeed + true + COGL_ENABLE_EXPERIMENTAL_2_0_API;COGL_EXAMPLES_DATA="../share/cogl-$(ApiVersion)/examples-data/";$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + true + Console + true + true + MachineX86 + + + + + COGL_ENABLE_EXPERIMENTAL_2_0_API;COGL_EXAMPLES_DATA="../share/cogl-$(ApiVersion)/examples-data/";$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + CompileAsC + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + true + Console + true + true + false + + + MachineX64 + + + + + + + + {fe5abd0f-91e8-4aa5-9c1c-408427d5f768} + false + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/cogl-crate.vcxproj.filters b/build/win32/vs10/cogl-crate.vcxproj.filters new file mode 100644 index 0000000..27b7062 --- /dev/null +++ b/build/win32/vs10/cogl-crate.vcxproj.filters @@ -0,0 +1,14 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + + + Sources + + + diff --git a/build/win32/vs10/cogl-gen-srcs.props b/build/win32/vs10/cogl-gen-srcs.props new file mode 100644 index 0000000..0ec0e63 --- /dev/null +++ b/build/win32/vs10/cogl-gen-srcs.props @@ -0,0 +1,107 @@ + + + + + + + +if exist ..\..\..\cogl\SDL_DEFINES goto DONE_COGL_DEFINES_H +if not exist ..\..\..\cogl\WGL_DEFINES goto DO_COGL_DEFINES_H +del ..\..\..\cogl\cogl-defines.h +del ..\..\..\cogl\WGL_DEFINES +:DO_COGL_DEFINES_H +copy ..\..\..\cogl\cogl-defines.h.win32_sdl ..\..\..\cogl\SDL_DEFINES +copy ..\..\..\cogl\SDL_DEFINES ..\..\..\cogl\cogl-defines.h +:DONE_COGL_DEFINES_H + + +if exist ..\..\..\cogl\WGL_DEFINES goto DONE_COGL_DEFINES_H +if not exist ..\..\..\cogl\SDL_DEFINES goto DO_COGL_DEFINES_H +del ..\..\..\cogl\cogl-defines.h +del ..\..\..\cogl\SDL_DEFINES +:DO_COGL_DEFINES_H +copy ..\..\..\cogl\cogl-defines.h.win32 ..\..\..\cogl\WGL_DEFINES +copy ..\..\..\cogl\WGL_DEFINES ..\..\..\cogl\cogl-defines.h +:DONE_COGL_DEFINES_H + + copy ..\..\..\config.h.win32 ..\..\..\config.h + copy ..\..\..\cogl\cogl-gl-header.h.win32 ..\..\..\cogl\cogl-gl-header.h + +cd ..\..\..\cogl-path +perl $(GlibEtcInstallRoot)\bin\glib-mkenums --template cogl-path-enum-types.h.in cogl-path-types.h cogl1-path-functions.h > cogl-path-enum-types.h +cd $(SolutionDir) + + +cd ..\..\..\cogl-path +perl $(GlibEtcInstallRoot)\bin\glib-mkenums --template cogl-path-enum-types.c.in cogl-path-types.h cogl1-path-functions.h > cogl-path-enum-types.c +cd $(SolutionDir) + + +cd ..\..\..\cogl +perl $(GlibEtcInstallRoot)\bin\glib-mkenums --template cogl-enum-types.h.in deprecated\cogl-clip-state.h deprecated\cogl-fixed.h deprecated\cogl-material-compat.h deprecated\cogl-vertex-buffer.h deprecated\cogl-shader.h deprecated\cogl-clutter.h deprecated\cogl-type-casts.h deprecated\cogl-framebuffer-deprecated.h deprecated\cogl-texture-deprecated.h deprecated\cogl-auto-texture.h cogl1-context.h cogl-bitmap.h cogl-color.h cogl-matrix.h cogl-offscreen.h cogl-primitives.h cogl-texture.h cogl-types.h cogl.h cogl-win32-renderer.h > cogl-enum-types.h +cd $(SolutionDir) + + +cd ..\..\..\cogl +perl $(GlibEtcInstallRoot)\bin\glib-mkenums --template cogl-enum-types.c.in deprecated\cogl-clip-state.h deprecated\cogl-fixed.h deprecated\cogl-material-compat.h deprecated\cogl-vertex-buffer.h deprecated\cogl-shader.h deprecated\cogl-clutter.h deprecated\cogl-type-casts.h deprecated\cogl-framebuffer-deprecated.h deprecated\cogl-texture-deprecated.h deprecated\cogl-auto-texture.h cogl1-context.h cogl-bitmap.h cogl-color.h cogl-matrix.h cogl-offscreen.h cogl-primitives.h cogl-texture.h cogl-types.h cogl.h cogl-win32-renderer.h > cogl-enum-types.c +cd $(SolutionDir) + + +echo EXPORTS > $(DefDir)\cogl.def +cl -EP -DCOGL_HAS_GTYPE_SUPPORT -DCOGL_HAS_WIN32_SUPPORT -DCOGL_HAS_GLIB_SUPPORT -DCOGL_ENABLE_EXPERIMENTAL_API ..\..\..\cogl\cogl.symbols >> $(DefDir)\cogl.def + + +echo EXPORTS > $(DefDir)\cogl.def +cl -EP -DCOGL_HAS_GTYPE_SUPPORT -DCOGL_HAS_WIN32_SUPPORT -DCOGL_HAS_GLIB_SUPPORT -DCOGL_HAS_SDL_SUPPORT -DCOGL_ENABLE_EXPERIMENTAL_API ..\..\..\cogl\cogl.symbols >> $(DefDir)\cogl.def + + +echo EXPORTS > $(DefDir)\cogl-path.def +cl -EP -DCOGL_HAS_GTYPE_SUPPORT ..\..\..\cogl-path\cogl-path.symbols >> $(DefDir)\cogl-path.def + + +echo EXPORTS > $(DefDir)\cogl-pango.def +cl -EP ..\..\..\cogl-pango\cogl-pango.symbols >> $(DefDir)\cogl-pango.def + + + + <_PropertySheetDisplayName>coglprops + + + + $(CopyConfigH) + + + $(CopyGLHeaderH) + + + $(CopyDefinesSDLH) + + + $(CopyDefinesH) + + + $(GenCoglPathEnumsH) + + + $(GenCoglPathEnumsC) + + + $(GenCoglEnumsH) + + + $(GenCoglEnumsC) + + + $(GenerateCoglDef) + + + $(GenerateCoglDef) + + + $(GenerateCoglPathDef) + + + $(GenerateCoglPangoDef) + + + diff --git a/build/win32/vs10/cogl-hello.vcxproj b/build/win32/vs10/cogl-hello.vcxproj new file mode 100644 index 0000000..a754c0d --- /dev/null +++ b/build/win32/vs10/cogl-hello.vcxproj @@ -0,0 +1,160 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {F5A43C12-7032-428E-A56A-D294075FA493} + cogl-hello + Win32Proj + + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + true + true + false + false + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + true + Console + MachineX86 + + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + + + true + Console + + + + + MaxSpeed + true + COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + true + Console + true + true + MachineX86 + + + + + MaxSpeed + true + COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + true + Console + true + true + + + + + + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/cogl-hello.vcxproj.filters b/build/win32/vs10/cogl-hello.vcxproj.filters new file mode 100644 index 0000000..26236c7 --- /dev/null +++ b/build/win32/vs10/cogl-hello.vcxproj.filters @@ -0,0 +1,14 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + + + Sources + + + diff --git a/build/win32/vs10/cogl-info.vcxproj b/build/win32/vs10/cogl-info.vcxproj new file mode 100644 index 0000000..45f75ff --- /dev/null +++ b/build/win32/vs10/cogl-info.vcxproj @@ -0,0 +1,168 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3} + coglinfo + Win32Proj + + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + true + true + false + false + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + true + Console + MachineX86 + + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + CompileAsC + + + true + Console + false + + + MachineX64 + + + + + MaxSpeed + true + COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + true + Console + true + true + MachineX86 + + + + + COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + CompileAsC + + + true + Console + true + true + false + + + MachineX64 + + + + + + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/cogl-info.vcxproj.filters b/build/win32/vs10/cogl-info.vcxproj.filters new file mode 100644 index 0000000..c73fb10 --- /dev/null +++ b/build/win32/vs10/cogl-info.vcxproj.filters @@ -0,0 +1,14 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + + + Sources + + + diff --git a/build/win32/vs10/cogl-install.props b/build/win32/vs10/cogl-install.props new file mode 100644 index 0000000..b843f4e --- /dev/null +++ b/build/win32/vs10/cogl-install.props @@ -0,0 +1,241 @@ + + + + + + + $(SolutionDir)$(Configuration)\$(Platform)\bin + $(BinDir)\$(CoglDllPrefix)cogl(CoglDllSuffix).dll;$(BinDir)\$(CoglDllPrefix)cogl-path(CoglDllSuffix).dll;$(BinDir)\$(CoglDllPrefix)cogl-pango(CoglDllSuffix).dll + $(BinDir)\cogl-crate.exe;$(BinDir)\cogl-hello.exe;$(BinDir)\cogl-info.exe + $(BinDir)\cogl-sdl2-hello.exe + +mkdir $(CopyDir)\bin + +mkdir $(CopyDir)\lib + + +if "$(Configuration)" == "Release_SDL" goto DO_REL_BIN + +if "$(Configuration)" == "Debug_SDL" goto DO_DBG_BIN + + +copy $(BinDir)\*.dll $(CopyDir)\bin + +copy $(BinDir)\*-$(ApiVersion).lib $(CopyDir)\lib + +copy $(BinDir)\*.exe $(CopyDir)\bin + +goto DONE_BIN + + +:DO_REL_BIN + +copy Release\$(Platform)\bin\*.dll $(CopyDir)\bin + +copy Release\$(Platform)\bin\*-$(ApiVersion).lib $(CopyDir)\lib + +copy Release\$(Platform)\bin\*.exe $(CopyDir)\bin + +goto DONE_BIN + + +:DO_DBG_BIN + +copy Debug\$(Platform)\bin\*.dll $(CopyDir)\bin + +copy Debug\$(Platform)\bin\*-$(ApiVersion).lib $(CopyDir)\lib + +copy Debug\$(Platform)\bin\*.exe $(CopyDir)\bin + +goto DONE_BIN + +:DONE_BIN + + +$(CoglDoInstallBin) + +mkdir $(CopyDir)\share\cogl-$(ApiVersion)\examples-data + +copy ..\..\..\examples\*.jpg $(CopyDir)\share\cogl-$(ApiVersion)\examples-data + + +mkdir $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\cogl-object.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-atlas-texture.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-attribute-buffer.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-bitmap.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-buffer.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-color.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-deprecated.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-depth-state.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-error.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-euler.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-fence.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-frame-info.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-glib-source.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-macros.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-pipeline.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-vector.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-matrix.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-matrix-stack.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-offscreen.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-onscreen.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-output.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-primitives.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-primitive-texture.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-pipeline-layer-state.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-pipeline-state.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-pixel-buffer.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-poll.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-quaternion.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-snippet.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-texture.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-texture-2d.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-texture-2d-gl.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-texture-2d-sliced.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-sub-texture.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-texture-rectangle.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-meta-texture.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-texture-3d.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-types.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-index-buffer.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-indices.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-attribute.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-primitive.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-framebuffer.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-defines.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-enum-types.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-renderer.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-swap-chain.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-onscreen-template.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-display.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-context.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-version.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl-win32-renderer.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl1-context.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + +copy ..\..\..\cogl\cogl2-experimental.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + + +copy ..\..\..\cogl\deprecated\cogl-clip-state.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\deprecated\cogl-fixed.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\deprecated\cogl-material-compat.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\deprecated\cogl-vertex-buffer.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\deprecated\cogl-shader.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\deprecated\cogl-clutter.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\deprecated\cogl-type-casts.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\deprecated\cogl-framebuffer-deprecated.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\deprecated\cogl-texture-deprecated.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + +copy ..\..\..\cogl\deprecated\cogl-auto-texture.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl\deprecated + + +mkdir $(CopyDir)\include\cogl-$(ApiVersion)\cogl-pango + +copy ..\..\..\cogl-pango\cogl-pango.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl-pango + + +mkdir $(CopyDir)\include\cogl-$(ApiVersion)\cogl-path + +copy ..\..\..\cogl-path\cogl-path.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl-path + +copy ..\..\..\cogl-path\cogl-path-types.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl-path + +copy ..\..\..\cogl-path\cogl1-path-functions.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl-path + +copy ..\..\..\cogl-path\cogl2-path-functions.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl-path + +copy ..\..\..\cogl-path\cogl-path-enum-types.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl-path + + copy ..\..\..\cogl\cogl-sdl.h $(CopyDir)\include\cogl-$(ApiVersion)\cogl + + + <_PropertySheetDisplayName>coglinstallprops + + + + $(BinDir) + + + $(InstalledDlls) + + + $(InstalledBins) + + + $(InstalledSDLBins) + + + $(CoglDoInstall) + + + $(CoglDoInstall) + + + $(CoglDoInstallSDL) + + + diff --git a/build/win32/vs10/cogl-msaa.vcxproj b/build/win32/vs10/cogl-msaa.vcxproj new file mode 100644 index 0000000..28de260 --- /dev/null +++ b/build/win32/vs10/cogl-msaa.vcxproj @@ -0,0 +1,169 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {44E864D4-8447-484D-9B16-D5405E0783CF} + coglmsaa + Win32Proj + + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + true + true + false + false + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + true + Console + MachineX86 + + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + CompileAsC + + + true + Console + false + + + MachineX64 + + + + + MaxSpeed + true + COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + true + Console + true + true + MachineX86 + + + + + COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + CompileAsC + + + %(AdditionalDependencies) + true + Console + true + true + false + + + MachineX64 + + + + + + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/cogl-msaa.vcxproj.filters b/build/win32/vs10/cogl-msaa.vcxproj.filters new file mode 100644 index 0000000..db51fe2 --- /dev/null +++ b/build/win32/vs10/cogl-msaa.vcxproj.filters @@ -0,0 +1,14 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + + + Sources + + + diff --git a/build/win32/vs10/cogl-pango.vcxproj b/build/win32/vs10/cogl-pango.vcxproj new file mode 100644 index 0000000..067c664 --- /dev/null +++ b/build/win32/vs10/cogl-pango.vcxproj @@ -0,0 +1,210 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768} + coglpango + Win32Proj + + + + DynamicLibrary + MultiByte + true + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + true + true + false + true + + + + $(PreBuildCmd) + + + Disabled + $(DebugLibBuildDefines);$(CoglPangoBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl-pango.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX86 + + + + + $(PreBuildCmd) + + + Disabled + $(DebugLibBuildDefines);$(CoglPangoBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl-pango.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX64 + + + + + $(PreBuildCmd) + + + MaxSpeed + true + $(ReleaseLibBuildDefines);$(CoglPangoBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl-pango.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX86 + + + + + $(PreBuildCmd) + + + $(ReleaseLibBuildDefines);$(CoglPangoBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl-pango.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX64 + + + + + + + + + + + + Generating $(IntDir)\cogl-pango.def + $(GenerateCoglPangoDef) + $(IntDir)\cogl-pango.def;%(Outputs) + Generating $(IntDir)\cogl-pango.def + $(GenerateCoglPangoDef) + $(IntDir)\cogl-pango.def;%(Outputs) + Generating $(IntDir)\cogl-pango.def + $(GenerateCoglPangoDef) + $(IntDir)\cogl-pango.def;%(Outputs) + Generating $(IntDir)\cogl-pango.def + $(GenerateCoglPangoDef) + $(IntDir)\cogl-pango.def;%(Outputs) + + + + + + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/cogl-pango.vcxproj.filters b/build/win32/vs10/cogl-pango.vcxproj.filters new file mode 100644 index 0000000..22f2c30 --- /dev/null +++ b/build/win32/vs10/cogl-pango.vcxproj.filters @@ -0,0 +1,23 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + + Sources + Sources + Sources + Sources + Sources + + + Resource Files + + diff --git a/build/win32/vs10/cogl-pango.vcxproj.filtersin b/build/win32/vs10/cogl-pango.vcxproj.filtersin new file mode 100644 index 0000000..5f7ba5a --- /dev/null +++ b/build/win32/vs10/cogl-pango.vcxproj.filtersin @@ -0,0 +1,19 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + +#include "coglpango.vs10.sourcefiles.filters" + + + Resource Files + + diff --git a/build/win32/vs10/cogl-pango.vcxprojin b/build/win32/vs10/cogl-pango.vcxprojin new file mode 100644 index 0000000..4c48b4d --- /dev/null +++ b/build/win32/vs10/cogl-pango.vcxprojin @@ -0,0 +1,206 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768} + coglpango + Win32Proj + + + + DynamicLibrary + MultiByte + true + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + true + true + false + true + + + + $(PreBuildCmd) + + + Disabled + $(DebugLibBuildDefines);$(CoglPangoBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl-pango.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX86 + + + + + $(PreBuildCmd) + + + Disabled + $(DebugLibBuildDefines);$(CoglPangoBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl-pango.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX64 + + + + + $(PreBuildCmd) + + + MaxSpeed + true + $(ReleaseLibBuildDefines);$(CoglPangoBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl-pango.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX86 + + + + + $(PreBuildCmd) + + + $(ReleaseLibBuildDefines);$(CoglPangoBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + + + pangocairo-1.0.lib;pango-1.0.lib;cairo.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl-pango.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX64 + + + +#include "coglpango.vs10.sourcefiles" + + + + Generating $(IntDir)\cogl-pango.def + $(GenerateCoglPangoDef) + $(IntDir)\cogl-pango.def;%(Outputs) + Generating $(IntDir)\cogl-pango.def + $(GenerateCoglPangoDef) + $(IntDir)\cogl-pango.def;%(Outputs) + Generating $(IntDir)\cogl-pango.def + $(GenerateCoglPangoDef) + $(IntDir)\cogl-pango.def;%(Outputs) + Generating $(IntDir)\cogl-pango.def + $(GenerateCoglPangoDef) + $(IntDir)\cogl-pango.def;%(Outputs) + + + + + + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/cogl-path.vcxproj b/build/win32/vs10/cogl-path.vcxproj new file mode 100644 index 0000000..e79b609 --- /dev/null +++ b/build/win32/vs10/cogl-path.vcxproj @@ -0,0 +1,240 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {F3A80987-5411-43DB-A23B-06F2076E1207} + coglpath + Win32Proj + + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + true + v100 + + + DynamicLibrary + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + + + + + Disabled + ..\..\..\cogl-path\tesselator;..\..\..\cogl\winsys;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglPathBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + %(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\$(ProjectName).def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX86 + + + + + + + + Disabled + ..\..\..\cogl-path\tesselator;..\..\..\cogl\winsys;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglPathBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\$(ProjectName).def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX64 + + + + + + + + MaxSpeed + ..\..\..\cogl-path\tesselator;..\..\..\cogl\winsys;%(AdditionalIncludeDirectories) + true + $(ReleaseLibBuildDefines);$(CoglPathBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\$(ProjectName).def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX86 + + + + + + + + ..\..\..\cogl-path\tesselator;..\..\..\cogl\winsys;%(AdditionalIncludeDirectories) + $(ReleaseLibBuildDefines);$(CoglPathBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\$(ProjectName).def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX64 + + + + + + + + + + + + + + + + + + + Generating ..\..\..\cogl-path\cogl-path-enum-types.h + $(GenCoglPathEnumsH) + ..\..\..\cogl-path\cogl-path-enum-types.h;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.h + $(GenCoglPathEnumsH) + ..\..\..\cogl-path\cogl-path-enum-types.h;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.h + $(GenCoglPathEnumsH) + ..\..\..\cogl-path\cogl-path-enum-types.h;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.h + $(GenCoglPathEnumsH) + ..\..\..\cogl-path\cogl-path-enum-types.h;%(Outputs) + + + Generating ..\..\..\cogl-path\cogl-path-enum-types.c + $(GenCoglPathEnumsC) + ..\..\..\cogl-path\cogl-path-enum-types.c;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.c + $(GenCoglPathEnumsC) + ..\..\..\cogl-path\cogl-path-enum-types.c;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.c + $(GenCoglPathEnumsC) + ..\..\..\cogl-path\cogl-path-enum-types.c;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.c + $(GenCoglPathEnumsC) + ..\..\..\cogl-path\cogl-path-enum-types.c;%(Outputs) + + + Generating cogl-path.symbols... + $(GenerateCoglPathDef) + $(IntDir)\cogl-path.def;%(Outputs) + Generating cogl-path.symbols... + $(GenerateCoglPathDef) + $(IntDir)\cogl-path.def;%(Outputs) + Generating cogl-path.symbols... + $(GenerateCoglPathDef) + $(IntDir)\cogl-path.def;%(Outputs) + Generating cogl-path.symbols... + $(GenerateCoglPathDef) + $(IntDir)\cogl-path.def;%(Outputs) + + + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/cogl-path.vcxproj.filters b/build/win32/vs10/cogl-path.vcxproj.filters new file mode 100644 index 0000000..c0285f9 --- /dev/null +++ b/build/win32/vs10/cogl-path.vcxproj.filters @@ -0,0 +1,35 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + {2b91c6a0-c3f8-47f5-8c21-0ba4481be079} + + + + Source Files + Source Files + Source Files + Source Files + Source Files + Source Files + Source Files + Source Files + Source Files + Source Files + Source Files + Sources + + + Resource Files + Resource Files + Resource Files + + diff --git a/build/win32/vs10/cogl-path.vcxproj.filtersin b/build/win32/vs10/cogl-path.vcxproj.filtersin new file mode 100644 index 0000000..1c4a30f --- /dev/null +++ b/build/win32/vs10/cogl-path.vcxproj.filtersin @@ -0,0 +1,25 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + {2b91c6a0-c3f8-47f5-8c21-0ba4481be079} + + + +#include "cogl-path.vs10.sourcefiles.filters" + Sources + + + Resource Files + Resource Files + Resource Files + + diff --git a/build/win32/vs10/cogl-path.vcxprojin b/build/win32/vs10/cogl-path.vcxprojin new file mode 100644 index 0000000..cb0aeab --- /dev/null +++ b/build/win32/vs10/cogl-path.vcxprojin @@ -0,0 +1,230 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {F3A80987-5411-43DB-A23B-06F2076E1207} + coglpath + Win32Proj + + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + true + v100 + + + DynamicLibrary + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + + + + + Disabled + ..\..\..\cogl-path\tesselator;..\..\..\cogl\winsys;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglPathBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + %(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\$(ProjectName).def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX86 + + + + + + + + Disabled + ..\..\..\cogl-path\tesselator;..\..\..\cogl\winsys;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglPathBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\$(ProjectName).def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX64 + + + + + + + + MaxSpeed + ..\..\..\cogl-path\tesselator;..\..\..\cogl\winsys;%(AdditionalIncludeDirectories) + true + $(ReleaseLibBuildDefines);$(CoglPathBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\$(ProjectName).def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX86 + + + + + + + + ..\..\..\cogl-path\tesselator;..\..\..\cogl\winsys;%(AdditionalIncludeDirectories) + $(ReleaseLibBuildDefines);$(CoglPathBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\$(ProjectName).def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX64 + + + +#include "cogl-path.vs10.sourcefiles" + + + + + Generating ..\..\..\cogl-path\cogl-path-enum-types.h + $(GenCoglPathEnumsH) + ..\..\..\cogl-path\cogl-path-enum-types.h;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.h + $(GenCoglPathEnumsH) + ..\..\..\cogl-path\cogl-path-enum-types.h;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.h + $(GenCoglPathEnumsH) + ..\..\..\cogl-path\cogl-path-enum-types.h;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.h + $(GenCoglPathEnumsH) + ..\..\..\cogl-path\cogl-path-enum-types.h;%(Outputs) + + + Generating ..\..\..\cogl-path\cogl-path-enum-types.c + $(GenCoglPathEnumsC) + ..\..\..\cogl-path\cogl-path-enum-types.c;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.c + $(GenCoglPathEnumsC) + ..\..\..\cogl-path\cogl-path-enum-types.c;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.c + $(GenCoglPathEnumsC) + ..\..\..\cogl-path\cogl-path-enum-types.c;%(Outputs) + Generating ..\..\..\cogl-path\cogl-path-enum-types.c + $(GenCoglPathEnumsC) + ..\..\..\cogl-path\cogl-path-enum-types.c;%(Outputs) + + + Generating cogl-path.symbols... + $(GenerateCoglPathDef) + $(IntDir)\cogl-path.def;%(Outputs) + Generating cogl-path.symbols... + $(GenerateCoglPathDef) + $(IntDir)\cogl-path.def;%(Outputs) + Generating cogl-path.symbols... + $(GenerateCoglPathDef) + $(IntDir)\cogl-path.def;%(Outputs) + Generating cogl-path.symbols... + $(GenerateCoglPathDef) + $(IntDir)\cogl-path.def;%(Outputs) + + + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/cogl-sdl2-hello.vcxproj b/build/win32/vs10/cogl-sdl2-hello.vcxproj new file mode 100644 index 0000000..874d43d --- /dev/null +++ b/build/win32/vs10/cogl-sdl2-hello.vcxproj @@ -0,0 +1,173 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {0B5D144D-1872-42CD-8437-FFDCDD08C03E} + coglsdl2hello + Win32Proj + + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + <_ProjectFileVersion>10.0.40219.1 + true + true + false + false + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + SDL2.lib;SDL2main.lib;%(AdditionalDependencies) + true + Console + MachineX86 + + + + + Disabled + _DEBUG;COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + CompileAsC + + + SDL2.lib;SDL2main.lib;%(AdditionalDependencies) + true + Console + false + + + MachineX64 + + + + + MaxSpeed + true + COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + SDL2.lib;SDL2main.lib;%(AdditionalDependencies) + true + Console + true + true + MachineX86 + + + + + COGL_ENABLE_EXPERIMENTAL_2_0_API;$(BaseBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + CompileAsC + + + SDL2.lib;SDL2main.lib;%(AdditionalDependencies) + true + Console + true + true + false + + + MachineX64 + + + + + + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/cogl-sdl2-hello.vcxproj.filters b/build/win32/vs10/cogl-sdl2-hello.vcxproj.filters new file mode 100644 index 0000000..967dc65 --- /dev/null +++ b/build/win32/vs10/cogl-sdl2-hello.vcxproj.filters @@ -0,0 +1,14 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + + + Sources + + + \ No newline at end of file diff --git a/build/win32/vs10/cogl-version-paths.props b/build/win32/vs10/cogl-version-paths.props new file mode 100644 index 0000000..2979609 --- /dev/null +++ b/build/win32/vs10/cogl-version-paths.props @@ -0,0 +1,53 @@ + + + + 10 + $(SolutionDir)\..\..\..\..\vs$(VSVer)\$(Platform) + 1.0 + $(GlibEtcInstallRoot) + $(SolutionDir)$(Configuration)\$(PlatformName)\obj\$(ProjectName)\ + lib + -$(ApiVersion)-0 + + -1-vs$(VSVer) + + + $(CoglSeparateVSDllPrefix) + $(CoglSeparateVSDllSuffix) + + + <_PropertySheetDisplayName>coglversionpathsprops + + + + $(GlibEtcInstallRoot) + + + $(CopyDir) + + + $(DefDir) + + + $(ApiVersion) + + + $(CoglLibtoolCompatibleDllPrefix) + + + $(CoglLibtoolCompatibleDllSuffix) + + + $(CoglSeparateVSDllPrefix) + + + $(CoglSeparateVSDllSuffix) + + + $(CoglDllPrefix) + + + $(CoglDllSuffix) + + + diff --git a/build/win32/vs10/cogl.sln b/build/win32/vs10/cogl.sln new file mode 100644 index 0000000..693587e --- /dev/null +++ b/build/win32/vs10/cogl.sln @@ -0,0 +1,174 @@ + +Microsoft Visual Studio Solution File, Format Version 11.00 +# Visual Studio 2010 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl", "cogl.vcxproj", "{F3A80987-5411-43DB-A23B-06F2076E1206}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-path", "cogl-path.vcxproj", "{F3A80987-5411-43DB-A23B-06F2076E1207}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-pango", "cogl-pango.vcxproj", "{FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-hello", "cogl-hello.vcxproj", "{F5A43C12-7032-428E-A56A-D294075FA493}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-sdl2-hello", "cogl-sdl2-hello.vcxproj", "{0B5D144D-1872-42CD-8437-FFDCDD08C03E}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-info", "cogl-info.vcxproj", "{CD17F5C8-C860-4A65-8209-4D0B093A3DA3}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "install", "install.vcxproj", "{35B2A4AC-7235-4FC7-995D-469D59195041}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-crate", "cogl-crate.vcxproj", "{DE1A2710-04BB-4C3D-90C1-B070E326B1CF}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-conformance-cogl", "test-conformance-cogl.vcxproj", "{0F08F253-DE1A-40CB-A890-93AE3CA23ADE}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Win32 = Debug|Win32 + Debug_SDL|Win32 = Debug_SDL|Win32 + Debug|x64 = Debug|x64 + Debug_SDL|x64 = Debug_SDL|x64 + Release|Win32 = Release|Win32 + Release_SDL|Win32 = Release_SDL|Win32 + Release|x64 = Release|x64 + Release_SDL|x64 = Release_SDL|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug|Win32.ActiveCfg = Debug|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug|Win32.Build.0 = Debug|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug|x64.ActiveCfg = Debug|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug|x64.Build.0 = Debug|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release|Win32.ActiveCfg = Release|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release|Win32.Build.0 = Release|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release|x64.ActiveCfg = Release|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release|x64.Build.0 = Release|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug_SDL|Win32.ActiveCfg = Debug_SDL|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug_SDL|Win32.Build.0 = Debug_SDL|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug_SDL|x64.ActiveCfg = Debug_SDL|x64 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{35B2A4AC-7235-4FC7-995D-469D59195041}.Debug|x64.Build.0 = Debug|x64 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Release|Win32.ActiveCfg = Release|Win32 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Release|Win32.Build.0 = Release|Win32 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Release|x64.ActiveCfg = Release|x64 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Release|x64.Build.0 = Release|x64 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Debug_SDL|Win32.ActiveCfg = Debug_SDL|Win32 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Debug_SDL|Win32.Build.0 = Debug_SDL|Win32 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Debug_SDL|x64.ActiveCfg = Debug_SDL|x64 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Debug_SDL|x64.Build.0 = Debug_SDL|x64 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Release_SDL|Win32.ActiveCfg = Release_SDL|Win32 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Release_SDL|Win32.Build.0 = Release_SDL|Win32 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Release_SDL|x64.ActiveCfg = Release_SDL|x64 + {35B2A4AC-7235-4FC7-995D-469D59195041}.Release_SDL|x64.Build.0 = Release_SDL|x64 + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection +EndGlobal diff --git a/build/win32/vs10/cogl.vcxproj b/build/win32/vs10/cogl.vcxproj new file mode 100644 index 0000000..1a9e4d1 --- /dev/null +++ b/build/win32/vs10/cogl.vcxproj @@ -0,0 +1,639 @@ + + + + + Debug + Win32 + + + Debug_SDL + Win32 + + + Debug + x64 + + + Debug_SDL + x64 + + + Release + Win32 + + + Release_SDL + Win32 + + + Release + x64 + + + Release_SDL + x64 + + + + {F3A80987-5411-43DB-A23B-06F2076E1206} + cogl + Win32Proj + + + + DynamicLibrary + MultiByte + true + v100 + + + DynamicLibrary + MultiByte + true + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + true + true + Debug\$(Platform)\bin\ + true + true + Debug\$(Platform)\bin\ + false + false + Release\$(Platform)\bin\ + true + true + Release\$(Platform)\bin\ + + + + + + + Disabled + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX86 + + + + + + + + Disabled + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + SDL2.lib;opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX86 + + + + + + + + Disabled + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + + + opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX64 + + + + + + + + Disabled + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + + + SDL2.lib;opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX64 + + + + + + + + MaxSpeed + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + true + $(ReleaseLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX86 + + + + + + + + MaxSpeed + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + true + $(ReleaseLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + SDL2.lib;opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX86 + + + + + + + + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(ReleaseLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + + + opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX64 + + + + + + + + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(ReleaseLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + + + SDL2.lib;opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX64 + + + + + + true + true + true + true + + + true + true + true + true + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + + + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + + + Copying cogl-defines.h from cogl-defines.h.win32... + $(CopyDefinesH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\WGL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32... + $(CopyDefinesH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\WGL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32... + $(CopyDefinesH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\WGL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32... + $(CopyDefinesH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\WGL_DEFINES;%(Outputs) + + + Copying cogl-defines.h from cogl-defines.h.win32_SDL... + $(CopyDefinesSDLH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\SDL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32_SDL... + $(CopyDefinesSDLH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\SDL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32_SDL... + $(CopyDefinesSDLH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\SDL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32_SDL... + $(CopyDefinesSDLH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\SDL_DEFINES;%(Outputs) + + + Generating $(IntDir)\cogl.def + $(GenerateCoglSDLDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglSDLDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglSDLDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglSDLDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglDef) + $(IntDir)\cogl.def;%(Outputs) + + + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + + + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + + + + + + + + + diff --git a/build/win32/vs10/cogl.vcxproj.filters b/build/win32/vs10/cogl.vcxproj.filters new file mode 100644 index 0000000..a99b634 --- /dev/null +++ b/build/win32/vs10/cogl.vcxproj.filters @@ -0,0 +1,143 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {43c6d046-ba3b-4ff2-b7e6-df455affa6bf} + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + + + Resource Files + Resource Files + Resource Files + Resource Files + Resource Files + Resource Files + Resource Files + + diff --git a/build/win32/vs10/cogl.vcxproj.filtersin b/build/win32/vs10/cogl.vcxproj.filtersin new file mode 100644 index 0000000..92d1198 --- /dev/null +++ b/build/win32/vs10/cogl.vcxproj.filtersin @@ -0,0 +1,41 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + {43c6d046-ba3b-4ff2-b7e6-df455affa6bf} + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hpp;hxx;hm;inl;inc;xsd + + + + Sources + Sources + Sources + Sources +#include "cogl.vs10.sourcefiles.filters" + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + Sources\Driver_GL + + + Resource Files + Resource Files + Resource Files + Resource Files + Resource Files + Resource Files + Resource Files + + diff --git a/build/win32/vs10/cogl.vcxprojin b/build/win32/vs10/cogl.vcxprojin new file mode 100644 index 0000000..02478ad --- /dev/null +++ b/build/win32/vs10/cogl.vcxprojin @@ -0,0 +1,537 @@ + + + + + Debug + Win32 + + + Debug_SDL + Win32 + + + Debug + x64 + + + Debug_SDL + x64 + + + Release + Win32 + + + Release_SDL + Win32 + + + Release + x64 + + + Release_SDL + x64 + + + + {F3A80987-5411-43DB-A23B-06F2076E1206} + cogl + Win32Proj + + + + DynamicLibrary + MultiByte + true + v100 + + + DynamicLibrary + MultiByte + true + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + DynamicLibrary + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + true + true + Debug\$(Platform)\bin\ + true + true + Debug\$(Platform)\bin\ + false + false + Release\$(Platform)\bin\ + true + true + Release\$(Platform)\bin\ + + + + + + + Disabled + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX86 + + + + + + + + Disabled + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + SDL2.lib;opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX86 + + + + + + + + Disabled + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + + + opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX64 + + + + + + + + Disabled + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(DebugLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + + + SDL2.lib;opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + MachineX64 + + + + + + + + MaxSpeed + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + true + $(ReleaseLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX86 + + + + + + + + MaxSpeed + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + true + $(ReleaseLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + SDL2.lib;opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX86 + + + + + + + + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(ReleaseLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + + + opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX64 + + + + + + + + ..\..\..\cogl\deprecated;..\..\..\cogl\winsys;..\..\..\cogl\driver\gl;..\..\..\cogl\driver\gl\gl;%(AdditionalIncludeDirectories) + $(ReleaseLibBuildDefines);$(CoglBuildDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + + + SDL2.lib;opengl32.lib;intl.lib;cairo.lib;gdk_pixbuf-2.0.lib;gmodule-2.0.lib;%(AdditionalDependencies) + $(OutDir)$(CoglDllPrefix)$(ProjectName)$(CoglDllSuffix).dll + $(IntDir)\cogl.def + $(TargetDir)$(ProjectName)-$(ApiVersion).lib + true + Windows + true + true + MachineX64 + + + + + + true + true + true + true + + + true + true + true + true + + +#include "cogl.vs10.sourcefiles" + + + + + + + + + + + + + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + Copying config.h from config.h.win32... + $(CopyConfigH) + ..\..\..\config.h;%(Outputs) + + + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + Copying cogl-gl-header.h from cogl-gl-header.h.win32... + $(CopyGLHeaderH) + ..\..\..\cogl\cogl-gl-header.h;%(Outputs) + + + Copying cogl-defines.h from cogl-defines.h.win32... + $(CopyDefinesH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\WGL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32... + $(CopyDefinesH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\WGL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32... + $(CopyDefinesH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\WGL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32... + $(CopyDefinesH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\WGL_DEFINES;%(Outputs) + + + Copying cogl-defines.h from cogl-defines.h.win32_SDL... + $(CopyDefinesSDLH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\SDL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32_SDL... + $(CopyDefinesSDLH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\SDL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32_SDL... + $(CopyDefinesSDLH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\SDL_DEFINES;%(Outputs) + Copying cogl-defines.h from cogl-defines.h.win32_SDL... + $(CopyDefinesSDLH) + ..\..\..\cogl\cogl-defines.h;..\..\..\cogl\SDL_DEFINES;%(Outputs) + + + Generating $(IntDir)\cogl.def + $(GenerateCoglSDLDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglSDLDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglSDLDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglSDLDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglDef) + $(IntDir)\cogl.def;%(Outputs) + Generating $(IntDir)\cogl.def + $(GenerateCoglDef) + $(IntDir)\cogl.def;%(Outputs) + + + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.h + $(GenCoglEnumsH) + ..\..\..\cogl\cogl-enum-types.h;%(Outputs) + + + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + Generating ..\..\..\cogl\cogl-enum-types.c + $(GenCoglEnumsC) + ..\..\..\cogl\cogl-enum-types.c;%(Outputs) + + + + + + + + + diff --git a/build/win32/vs10/install.vcxproj b/build/win32/vs10/install.vcxproj new file mode 100644 index 0000000..a1fbd15 --- /dev/null +++ b/build/win32/vs10/install.vcxproj @@ -0,0 +1,217 @@ + + + + + Debug + Win32 + + + Debug_SDL + Win32 + + + Debug + x64 + + + Debug_SDL + x64 + + + Release + Win32 + + + Release_SDL + Win32 + + + Release + x64 + + + Release_SDL + x64 + + + + {35B2A4AC-7235-4FC7-995D-469D59195041} + install + + + + Utility + MultiByte + v100 + + + Utility + MultiByte + v100 + + + Utility + MultiByte + v100 + + + Utility + MultiByte + v100 + + + Utility + MultiByte + true + v100 + + + Utility + MultiByte + true + v100 + + + Utility + MultiByte + true + v100 + + + Utility + MultiByte + true + v100 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + $(GlibEtcInstallRoot)\ + $(GlibEtcInstallRoot)\ + $(GlibEtcInstallRoot)\ + $(GlibEtcInstallRoot)\ + + + $(GlibEtcInstallRoot)\ + $(GlibEtcInstallRoot)\ + $(GlibEtcInstallRoot)\ + $(GlibEtcInstallRoot)\ + + + + + + + + + + + + + + + + + + + + + + Installing Build Results... + $(CoglDoInstall) + $(InstalledDlls);$(InstalledBins);%(Outputs) + Installing Build Results... + $(CoglDoInstall)$(CoglDoInstallSDL) + $(InstalledDlls);$(InstalledBins);$(InstalledSDLBins);%(Outputs) + Installing Build Results... + $(CoglDoInstall) + $(InstalledDlls);$(InstalledBins);%(Outputs) + Installing Build Results... + $(CoglDoInstall)$(CoglDoInstallSDL) + $(InstalledDlls);$(InstalledBins);$(InstalledSDLBins);%(Outputs) + Installing Build Results... + $(CoglDoInstall) + $(InstalledDlls);$(InstalledBins);%(Outputs) + Installing Build Results... + $(CoglDoInstall)$(CoglDoInstallSDL) + $(InstalledDlls);$(InstalledBins);$(InstalledSDLBins);%(Outputs) + Installing Build Results... + $(CoglDoInstall) + $(InstalledDlls);$(InstalledBins);%(Outputs) + Installing Build Results... + $(CoglDoInstall)$(CoglDoInstallSDL) + $(InstalledDlls);$(InstalledBins);$(InstalledSDLBins);%(Outputs) + + + + + {0f08f253-de1a-40cb-a890-93ae3ca23ade} + false + + + {de1a2710-04bb-4c3d-90c1-b070e326b1cf} + false + + + {f5a43c12-7032-428e-a56a-d294075fa493} + false + + + {0b5d144d-1872-42cd-8437-ffdcdd08c03e} + false + + + {cd17f5c8-c860-4a65-8209-4d0b093a3da3} + false + + + {fe5abd0f-91e8-4aa5-9c1c-408427d5f768} + false + + + {f3a80987-5411-43db-a23b-06f2076e1207} + false + + + {f3a80987-5411-43db-a23b-06f2076e1206} + false + + + + + + diff --git a/build/win32/vs10/test-conformance-cogl.vcxproj b/build/win32/vs10/test-conformance-cogl.vcxproj new file mode 100644 index 0000000..5ea8136 --- /dev/null +++ b/build/win32/vs10/test-conformance-cogl.vcxproj @@ -0,0 +1,231 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {0F08F253-DE1A-40CB-A890-93AE3CA23ADE} + testconformancecogl + Win32Proj + + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + true + true + false + false + + + + Disabled + ..\..\..\test-fixtures;%(AdditionalIncludeDirectories) + _DEBUG;COGL_ENABLE_EXPERIMENTAL_API;$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + %(AdditionalDependencies) + true + Console + MachineX86 + + + + + Disabled + ..\..\..\test-fixtures;%(AdditionalIncludeDirectories) + _DEBUG;COGL_ENABLE_EXPERIMENTAL_API;$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + CompileAsC + + + %(AdditionalDependencies) + true + Console + false + + + MachineX64 + + + + + MaxSpeed + ..\..\..\test-fixtures;%(AdditionalIncludeDirectories) + true + COGL_ENABLE_EXPERIMENTAL_API;$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + true + Console + true + true + MachineX86 + + + + + ..\..\..\test-fixtures;%(AdditionalIncludeDirectories) + COGL_ENABLE_EXPERIMENTAL_API;$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + CompileAsC + + + %(AdditionalDependencies) + true + Console + true + true + false + + + MachineX64 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + {ea036190-0950-4640-84f9-d459a33b33a8} + false + + + {f3a80987-5411-43db-a23b-06f2076e1207} + false + + + {fe5abd0f-91e8-4aa5-9c1c-408427d5f768} + false + + + + + + diff --git a/build/win32/vs10/test-conformance-cogl.vcxproj.filters b/build/win32/vs10/test-conformance-cogl.vcxproj.filters new file mode 100644 index 0000000..2e3236c --- /dev/null +++ b/build/win32/vs10/test-conformance-cogl.vcxproj.filters @@ -0,0 +1,59 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + Sources + + diff --git a/build/win32/vs10/test-conformance-cogl.vcxproj.filtersin b/build/win32/vs10/test-conformance-cogl.vcxproj.filtersin new file mode 100644 index 0000000..7d44a1f --- /dev/null +++ b/build/win32/vs10/test-conformance-cogl.vcxproj.filtersin @@ -0,0 +1,13 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx + + + +#include "testconformance.vs10.sourcefiles.filters" + Sources + + diff --git a/build/win32/vs10/test-conformance-cogl.vcxprojin b/build/win32/vs10/test-conformance-cogl.vcxprojin new file mode 100644 index 0000000..a4aded6 --- /dev/null +++ b/build/win32/vs10/test-conformance-cogl.vcxprojin @@ -0,0 +1,185 @@ + + + + + Debug + Win32 + + + Debug + x64 + + + Release + Win32 + + + Release + x64 + + + + {0F08F253-DE1A-40CB-A890-93AE3CA23ADE} + testconformancecogl + Win32Proj + + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + Application + MultiByte + true + v100 + + + Application + MultiByte + v100 + + + + + + + + + + + + + + + + + + + + + + + true + true + false + false + + + + Disabled + ..\..\..\test-fixtures;%(AdditionalIncludeDirectories) + _DEBUG;COGL_ENABLE_EXPERIMENTAL_API;$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + EditAndContinue + + + %(AdditionalDependencies) + true + Console + MachineX86 + + + + + Disabled + ..\..\..\test-fixtures;%(AdditionalIncludeDirectories) + _DEBUG;COGL_ENABLE_EXPERIMENTAL_API;$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + true + EnableFastChecks + MultiThreadedDebugDLL + + + Level3 + ProgramDatabase + CompileAsC + + + %(AdditionalDependencies) + true + Console + false + + + MachineX64 + + + + + MaxSpeed + ..\..\..\test-fixtures;%(AdditionalIncludeDirectories) + true + COGL_ENABLE_EXPERIMENTAL_API;$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + true + + + Level3 + ProgramDatabase + + + %(AdditionalDependencies) + true + Console + true + true + MachineX86 + + + + + ..\..\..\test-fixtures;%(AdditionalIncludeDirectories) + COGL_ENABLE_EXPERIMENTAL_API;$(CoglAppAvoidForcedSDLLinkingDefines);%(PreprocessorDefinitions) + MultiThreadedDLL + + + Level3 + ProgramDatabase + CompileAsC + + + %(AdditionalDependencies) + true + Console + true + true + false + + + MachineX64 + + + +#include "testconformance.vs10.sourcefiles" + + + + + {ea036190-0950-4640-84f9-d459a33b33a8} + false + + + {f3a80987-5411-43db-a23b-06f2076e1207} + false + + + {fe5abd0f-91e8-4aa5-9c1c-408427d5f768} + false + + + + + + diff --git a/build/win32/vs9/Makefile.am b/build/win32/vs9/Makefile.am new file mode 100644 index 0000000..a08a187 --- /dev/null +++ b/build/win32/vs9/Makefile.am @@ -0,0 +1,21 @@ +EXTRA_DIST = \ + cogl.sln \ + cogl-version-paths.vsprops \ + cogl-build-defines.vsprops \ + cogl-gen-srcs.vsprops \ + cogl-install.vsprops \ + cogl.vcproj \ + cogl.vcprojin \ + cogl-path.vcproj \ + cogl-path.vcprojin \ + cogl-pango.vcproj \ + cogl-pango.vcprojin \ + test-conformance-cogl.vcproj \ + test-conformance-cogl.vcprojin \ + cogl-hello.vcproj \ + cogl-sdl2-hello.vcproj \ + cogl-crate.vcproj \ + cogl-msaa.vcproj \ + cogl-info.vcproj \ + install.vcproj \ + README.txt diff --git a/build/win32/vs9/Makefile.in b/build/win32/vs9/Makefile.in new file mode 100644 index 0000000..39de368 --- /dev/null +++ b/build/win32/vs9/Makefile.in @@ -0,0 +1,592 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ +VPATH = @srcdir@ +am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)' 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install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags-am uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/build/win32/vs9/README.txt b/build/win32/vs9/README.txt new file mode 100644 index 0000000..f277f97 --- /dev/null +++ b/build/win32/vs9/README.txt @@ -0,0 +1,95 @@ +Note that all this is rather experimental. + +A more detailed description on using Visual C++ to compile COGL with +its dependencies can be found on the following GNOME Live! page: + +https://live.gnome.org/GTK%2B/Win32/MSVCCompilationOfGTKStack + +Please do not attempt to compile Cogl in a path that contains spaces +to avoid potential problems during compilation, linking or usage. + +This VS9 solution and the projects it includes are intented to be used +in a Cogl source tree unpacked from a tarball. In a git checkout you +first need to use some Unix-like environment or manual work to expand +the files needed, like config.h.win32.in into config.h.win32 and the +.vcprojin files here into corresponding actual .vcproj files. + +You will need the parts from GNOME: GDK-Pixbuf, Pango* and GLib. +External dependencies are at least zlib, libpng, +gettext-runtime* and Cairo*, and glext.h from +http://www.opengl.org/registry/api/glext.h (which need to be in the GL folder +in your include directories or in \vs9\\include\GL). Please +note that although the Cogl source package does allow one to build Cogl without +a previously built and installed GLib, the Visual Studio projects only support +builds that does depend on GLib. + +As Cogl use C99 types in lieu of GLib types, a compatible implementation of +stdint.h for Visual C++ is required, such as the one from +http://code.google.com/p/msinttypes/, so one would need to download and extract +the .zip file from that website and extract stdint.h into +\vs9\\include or somewhere where it can be found +automatically found by the compiler. Note that Visual C++ 2010 and later +ships with stdint.h, so it is only required for Visual C++ 2008 builds. + +If building the SDL2 winsys is desired (the *_SDL configs), you will also need the +SDL2 libraries from www.libsdl.org-building the SDL source package with Visual C++ 2008 +is recommended via CMake, but one may want to use the Visual C++ binary packages +from that website. Since Cogl-1.18.x, the Visual Studio Projects have been updated +to support the build of the SDL2 winsys in place of the original SDL-1.3 winsys +as SDL-2.x has been released for some time. Please note, as builds with the SDL2 +winsys includes the SDL2 headers, main() will be defined to SDL2's special main() +implementation on Windows, which will require linking to SDL2.lib and SDL2main.lib +for all apps that link to Cogl, unless SDL_MAIN_HANDLED is defined in your +"preprocessor definitions" options. + +Please see the README file in the root directory of this Cogl source package +for the versions of the dependencies required. See also +build/win32/vs9/README.txt in the GLib source package for details +where to unpack them. It is recommended that at least the dependencies +from GNOME are also built with VS9 to avoid crashes caused by mixing different +CRTs-please see also the build/win32/vs9/README.txt in those respective packages. + +The recommended build sequence of the dependencies are as follows (the non-GNOME +packages that are not downloaded as binaries from ftp://ftp.gnome.org have +makefiles and/or VS project files that can be used to compile with VS directly, +except the optional PCRE, which is built on VS using CMake; GLib has +VS9 project files in the latest stable versions, GDK-Pixbuf have VS9 project files +in the latest unstable version, and Pango should have VS9 project files +in the next unstable release): +-Unzip the binary packages for gettext-runtime, freetype, expat and fontconfig + downloaded from ftp://ftp.gnome.org* +-zlib +-libpng +-(optional for GLib) PCRE (8.12 or later, building PCRE using CMake is + recommended-please see build/win32/vs9/README.txt in the GLib source package) +-(for gdk-pixbuf, if GDI+ is not to be used) IJG JPEG or libjpeg-turbo +-(for gdk-pixbuf, if GDI+ is not to be used) jasper [JPEG-2000 library] +-(for gdk-pixbuf, if GDI+ is not to be used, requires zlib and IJG JPEG/libjpeg-turbo) + libtiff +-GLib +-Cairo +-Pango +-GDK-Pixbuf + +The "install" project will copy build results and headers into their +appropriate location under \vs9\. For instance, +built DLLs go into \vs9\\bin, built LIBs into +\vs9\\lib and Cogl headers into +\vs9\\include\Cogl-2.0. + +*There is no known official VS9 build support for fontconfig + (along with freetype and expat) and gettext-runtime, so + please use the binaries from: + + ftp://ftp.gnome.org/pub/GNOME/binaries/win32/dependencies/ (32 bit) + ftp://ftp.gnome.org/pub/GNOME/binaries/win64/dependencies/ (64 bit) + +Note: If you see C4819 errors and you are compiling Cogl on a DBCS +(Chinese/Korean/Japanese) version of Windows, you may need to switch +to an English locale in Control Panel->Region and Languages->System-> +Change System Locale, reboot and rebuild to ensure Cogl and its +dependencies are built correctly. This is due to a bug in Visual C++ +running on DBCS locales. + +--Chun-wei Fan + (Adopted from the GTK+ Win32 VS README.txt file originally by Tor Lillqvist) diff --git a/build/win32/vs9/cogl-build-defines.vsprops b/build/win32/vs9/cogl-build-defines.vsprops new file mode 100644 index 0000000..5fc6282 --- /dev/null +++ b/build/win32/vs9/cogl-build-defines.vsprops @@ -0,0 +1,53 @@ + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-crate.vcproj b/build/win32/vs9/cogl-crate.vcproj new file mode 100644 index 0000000..359289c --- /dev/null +++ b/build/win32/vs9/cogl-crate.vcproj @@ -0,0 +1,161 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-gen-srcs.vsprops b/build/win32/vs9/cogl-gen-srcs.vsprops new file mode 100644 index 0000000..cfd33a4 --- /dev/null +++ b/build/win32/vs9/cogl-gen-srcs.vsprops @@ -0,0 +1,102 @@ + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-hello.vcproj b/build/win32/vs9/cogl-hello.vcproj new file mode 100644 index 0000000..cd850a5 --- /dev/null +++ b/build/win32/vs9/cogl-hello.vcproj @@ -0,0 +1,157 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-info.vcproj b/build/win32/vs9/cogl-info.vcproj new file mode 100644 index 0000000..3c69e31 --- /dev/null +++ b/build/win32/vs9/cogl-info.vcproj @@ -0,0 +1,157 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-install.vsprops b/build/win32/vs9/cogl-install.vsprops new file mode 100644 index 0000000..292eb9b --- /dev/null +++ b/build/win32/vs9/cogl-install.vsprops @@ -0,0 +1,133 @@ + + + + + + diff --git a/build/win32/vs9/cogl-msaa.vcproj b/build/win32/vs9/cogl-msaa.vcproj new file mode 100644 index 0000000..d3fd6f1 --- /dev/null +++ b/build/win32/vs9/cogl-msaa.vcproj @@ -0,0 +1,157 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-pango.vcproj b/build/win32/vs9/cogl-pango.vcproj new file mode 100644 index 0000000..78cedaa --- /dev/null +++ b/build/win32/vs9/cogl-pango.vcproj @@ -0,0 +1,212 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-pango.vcprojin b/build/win32/vs9/cogl-pango.vcprojin new file mode 100644 index 0000000..99a53fd --- /dev/null +++ b/build/win32/vs9/cogl-pango.vcprojin @@ -0,0 +1,208 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +#include "coglpango.sourcefiles" + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-path.vcproj b/build/win32/vs9/cogl-path.vcproj new file mode 100644 index 0000000..917860d --- /dev/null +++ b/build/win32/vs9/cogl-path.vcproj @@ -0,0 +1,277 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-path.vcprojin b/build/win32/vs9/cogl-path.vcprojin new file mode 100644 index 0000000..91e17d4 --- /dev/null +++ b/build/win32/vs9/cogl-path.vcprojin @@ -0,0 +1,267 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +#include "cogl-path.sourcefiles" + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-sdl2-hello.vcproj b/build/win32/vs9/cogl-sdl2-hello.vcproj new file mode 100644 index 0000000..822ce18 --- /dev/null +++ b/build/win32/vs9/cogl-sdl2-hello.vcproj @@ -0,0 +1,161 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl-version-paths.vsprops b/build/win32/vs9/cogl-version-paths.vsprops new file mode 100644 index 0000000..af53ce7 --- /dev/null +++ b/build/win32/vs9/cogl-version-paths.vsprops @@ -0,0 +1,53 @@ + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl.sln b/build/win32/vs9/cogl.sln new file mode 100644 index 0000000..574dfea --- /dev/null +++ b/build/win32/vs9/cogl.sln @@ -0,0 +1,208 @@ + +Microsoft Visual Studio Solution File, Format Version 10.00 +# Visual Studio 2008 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl", "cogl.vcproj", "{F3A80987-5411-43DB-A23B-06F2076E1206}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-path", "cogl-path.vcproj", "{F3A80987-5411-43DB-A23B-06F2076E1207}" + ProjectSection(ProjectDependencies) = postProject + {F3A80987-5411-43DB-A23B-06F2076E1206} = {F3A80987-5411-43DB-A23B-06F2076E1206} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-pango", "cogl-pango.vcproj", "{FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}" + ProjectSection(ProjectDependencies) = postProject + {F3A80987-5411-43DB-A23B-06F2076E1206} = {F3A80987-5411-43DB-A23B-06F2076E1206} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-hello", "cogl-hello.vcproj", "{F5A43C12-7032-428E-A56A-D294075FA493}" + ProjectSection(ProjectDependencies) = postProject + {F3A80987-5411-43DB-A23B-06F2076E1206} = {F3A80987-5411-43DB-A23B-06F2076E1206} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-sdl2-hello", "cogl-sdl2-hello.vcproj", "{0B5D144D-1872-42CD-8437-FFDCDD08C03E}" + ProjectSection(ProjectDependencies) = postProject + {F3A80987-5411-43DB-A23B-06F2076E1206} = {F3A80987-5411-43DB-A23B-06F2076E1206} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-crate", "cogl-crate.vcproj", "{DE1A2710-04BB-4C3D-90C1-B070E326B1CF}" + ProjectSection(ProjectDependencies) = postProject + {F3A80987-5411-43DB-A23B-06F2076E1206} = {F3A80987-5411-43DB-A23B-06F2076E1206} + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768} = {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cogl-info", "cogl-info.vcproj", "{CD17F5C8-C860-4A65-8209-4D0B093A3DA3}" + ProjectSection(ProjectDependencies) = postProject + {F3A80987-5411-43DB-A23B-06F2076E1206} = {F3A80987-5411-43DB-A23B-06F2076E1206} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "test-conformance-cogl", "test-conformance-cogl.vcproj", "{0F08F253-DE1A-40CB-A890-93AE3CA23ADE}" + ProjectSection(ProjectDependencies) = postProject + {F3A80987-5411-43DB-A23B-06F2076E1206} = {F3A80987-5411-43DB-A23B-06F2076E1206} + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768} = {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768} + {F3A80987-5411-43DB-A23B-06F2076E1207} = {F3A80987-5411-43DB-A23B-06F2076E1207} + EndProjectSection +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "install", "install.vcproj", "{35B2A4AC-7235-4FC7-995D-469D59195041}" + ProjectSection(ProjectDependencies) = postProject + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768} = {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768} + {F5A43C12-7032-428E-A56A-D294075FA493} = {F5A43C12-7032-428E-A56A-D294075FA493} + {0B5D144D-1872-42CD-8437-FFDCDD08C03E} = {0B5D144D-1872-42CD-8437-FFDCDD08C03E} + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3} = {CD17F5C8-C860-4A65-8209-4D0B093A3DA3} + {F3A80987-5411-43DB-A23B-06F2076E1206} = {F3A80987-5411-43DB-A23B-06F2076E1206} + {F3A80987-5411-43DB-A23B-06F2076E1207} = {F3A80987-5411-43DB-A23B-06F2076E1207} + {DE1A2710-04BB-4C3D-90C1-B070E326B1CF} = {DE1A2710-04BB-4C3D-90C1-B070E326B1CF} + {0F08F253-DE1A-40CB-A890-93AE3CA23ADE} = {0F08F253-DE1A-40CB-A890-93AE3CA23ADE} + EndProjectSection +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Win32 = Debug|Win32 + Debug_SDL|Win32 = Debug_SDL|Win32 + Debug|x64 = Debug|x64 + Debug_SDL|x64 = Debug_SDL|x64 + Release|Win32 = Release|Win32 + Release_SDL|Win32 = Release_SDL|Win32 + Release|x64 = Release|x64 + Release_SDL|x64 = Release_SDL|x64 + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug|Win32.ActiveCfg = Debug|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug|Win32.Build.0 = Debug|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug|x64.ActiveCfg = Debug|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug|x64.Build.0 = Debug|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release|Win32.ActiveCfg = Release|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release|Win32.Build.0 = Release|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release|x64.ActiveCfg = Release|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release|x64.Build.0 = Release|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug_SDL|Win32.ActiveCfg = Debug_SDL|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug_SDL|Win32.Build.0 = Debug_SDL|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug_SDL|x64.ActiveCfg = Debug_SDL|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Debug_SDL|x64.Build.0 = Debug_SDL|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release_SDL|Win32.ActiveCfg = Release_SDL|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release_SDL|Win32.Build.0 = Release_SDL|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release_SDL|x64.ActiveCfg = Release_SDL|x64 + {F3A80987-5411-43DB-A23B-06F2076E1206}.Release_SDL|x64.Build.0 = Release_SDL|x64 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Debug|Win32.ActiveCfg = Debug|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Debug|Win32.Build.0 = Debug|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Debug|x64.ActiveCfg = Debug|x64 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Debug|x64.Build.0 = Debug|x64 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Release|Win32.ActiveCfg = Release|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Release|Win32.Build.0 = Release|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Release|x64.ActiveCfg = Release|x64 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Release|x64.Build.0 = Release|x64 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Debug_SDL|Win32.ActiveCfg = Debug|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Debug_SDL|Win32.Build.0 = Debug|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Debug_SDL|x64.ActiveCfg = Debug|x64 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Debug_SDL|x64.Build.0 = Debug|x64 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Release_SDL|Win32.ActiveCfg = Release|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Release_SDL|Win32.Build.0 = Release|Win32 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Release_SDL|x64.ActiveCfg = Release|x64 + {F3A80987-5411-43DB-A23B-06F2076E1207}.Release_SDL|x64.Build.0 = Release|x64 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Debug|Win32.ActiveCfg = Debug|Win32 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Debug|Win32.Build.0 = Debug|Win32 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Debug|x64.ActiveCfg = Debug|x64 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Debug|x64.Build.0 = Debug|x64 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Release|Win32.ActiveCfg = Release|Win32 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Release|Win32.Build.0 = Release|Win32 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Release|x64.ActiveCfg = Release|x64 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Release|x64.Build.0 = Release|x64 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Debug_SDL|Win32.ActiveCfg = Debug|Win32 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Debug_SDL|Win32.Build.0 = Debug|Win32 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Debug_SDL|x64.ActiveCfg = Debug|x64 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Debug_SDL|x64.Build.0 = Debug|x64 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Release_SDL|Win32.ActiveCfg = Release|Win32 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Release_SDL|Win32.Build.0 = Release|Win32 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Release_SDL|x64.ActiveCfg = Release|x64 + {FE5ABD0F-91E8-4AA5-9C1C-408427D5F768}.Release_SDL|x64.Build.0 = Release|x64 + {0B5D144D-1872-42CD-8437-FFDCDD08C03E}.Debug_SDL|Win32.ActiveCfg = Debug|Win32 + {0B5D144D-1872-42CD-8437-FFDCDD08C03E}.Debug_SDL|Win32.Build.0 = Debug|Win32 + {0B5D144D-1872-42CD-8437-FFDCDD08C03E}.Debug_SDL|x64.ActiveCfg = Debug|x64 + {0B5D144D-1872-42CD-8437-FFDCDD08C03E}.Debug_SDL|x64.Build.0 = Debug|x64 + {0B5D144D-1872-42CD-8437-FFDCDD08C03E}.Release_SDL|Win32.ActiveCfg = Release|Win32 + {0B5D144D-1872-42CD-8437-FFDCDD08C03E}.Release_SDL|Win32.Build.0 = Release|Win32 + {0B5D144D-1872-42CD-8437-FFDCDD08C03E}.Release_SDL|x64.ActiveCfg = Release|x64 + {0B5D144D-1872-42CD-8437-FFDCDD08C03E}.Release_SDL|x64.Build.0 = Release|x64 + {F5A43C12-7032-428E-A56A-D294075FA493}.Debug|Win32.ActiveCfg = Debug|Win32 + {F5A43C12-7032-428E-A56A-D294075FA493}.Debug|Win32.Build.0 = Debug|Win32 + {F5A43C12-7032-428E-A56A-D294075FA493}.Debug|x64.ActiveCfg = Debug|x64 + {F5A43C12-7032-428E-A56A-D294075FA493}.Debug|x64.Build.0 = Debug|x64 + {F5A43C12-7032-428E-A56A-D294075FA493}.Release|Win32.ActiveCfg = Release|Win32 + {F5A43C12-7032-428E-A56A-D294075FA493}.Release|Win32.Build.0 = Release|Win32 + {F5A43C12-7032-428E-A56A-D294075FA493}.Release|x64.ActiveCfg = Release|x64 + {F5A43C12-7032-428E-A56A-D294075FA493}.Release|x64.Build.0 = Release|x64 + {F5A43C12-7032-428E-A56A-D294075FA493}.Debug_SDL|Win32.ActiveCfg = Debug|Win32 + {F5A43C12-7032-428E-A56A-D294075FA493}.Debug_SDL|Win32.Build.0 = Debug|Win32 + {F5A43C12-7032-428E-A56A-D294075FA493}.Debug_SDL|x64.ActiveCfg = Debug|x64 + {F5A43C12-7032-428E-A56A-D294075FA493}.Debug_SDL|x64.Build.0 = Debug|x64 + {F5A43C12-7032-428E-A56A-D294075FA493}.Release_SDL|Win32.ActiveCfg = Release|Win32 + {F5A43C12-7032-428E-A56A-D294075FA493}.Release_SDL|Win32.Build.0 = Release|Win32 + {F5A43C12-7032-428E-A56A-D294075FA493}.Release_SDL|x64.ActiveCfg = Release|x64 + {F5A43C12-7032-428E-A56A-D294075FA493}.Release_SDL|x64.Build.0 = Release|x64 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Debug|Win32.ActiveCfg = Debug|Win32 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Debug|Win32.Build.0 = Debug|Win32 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Debug|x64.ActiveCfg = Debug|x64 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Debug|x64.Build.0 = Debug|x64 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Release|Win32.ActiveCfg = Release|Win32 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Release|Win32.Build.0 = Release|Win32 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Release|x64.ActiveCfg = Release|x64 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Release|x64.Build.0 = Release|x64 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Debug_SDL|Win32.ActiveCfg = Debug|Win32 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Debug_SDL|Win32.Build.0 = Debug|Win32 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Debug_SDL|x64.ActiveCfg = Debug|x64 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Debug_SDL|x64.Build.0 = Debug|x64 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Release_SDL|Win32.ActiveCfg = Release|Win32 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Release_SDL|Win32.Build.0 = Release|Win32 + {CD17F5C8-C860-4A65-8209-4D0B093A3DA3}.Release_SDL|x64.ActiveCfg 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HideSolutionNode = FALSE + EndGlobalSection +EndGlobal diff --git a/build/win32/vs9/cogl.vcproj b/build/win32/vs9/cogl.vcproj new file mode 100644 index 0000000..651a4cc --- /dev/null +++ b/build/win32/vs9/cogl.vcproj @@ -0,0 +1,800 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/cogl.vcprojin b/build/win32/vs9/cogl.vcprojin new file mode 100644 index 0000000..0d10f8d --- /dev/null +++ b/build/win32/vs9/cogl.vcprojin @@ -0,0 +1,698 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +#include "cogl.sourcefiles" + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/install.vcproj b/build/win32/vs9/install.vcproj new file mode 100644 index 0000000..58c8485 --- /dev/null +++ b/build/win32/vs9/install.vcproj @@ -0,0 +1,143 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/test-conformance-cogl.vcproj b/build/win32/vs9/test-conformance-cogl.vcproj new file mode 100644 index 0000000..23165c6 --- /dev/null +++ b/build/win32/vs9/test-conformance-cogl.vcproj @@ -0,0 +1,212 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/build/win32/vs9/test-conformance-cogl.vcprojin b/build/win32/vs9/test-conformance-cogl.vcprojin new file mode 100644 index 0000000..c664217 --- /dev/null +++ b/build/win32/vs9/test-conformance-cogl.vcprojin @@ -0,0 +1,166 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +#include "testconformance.sourcefiles" + + + + + + diff --git a/cogl-gles2/GLES2/gl2.h b/cogl-gles2/GLES2/gl2.h new file mode 100644 index 0000000..718fb3b --- /dev/null +++ b/cogl-gles2/GLES2/gl2.h @@ -0,0 +1,169 @@ +#ifndef __gl2_h_ +#define __gl2_h_ + +/* $Revision: 16803 $ on $Date:: 2012-02-02 09:49:18 -0800 #$ */ + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * This document is licensed under the SGI Free Software B License Version + * 2.0. For details, see http://oss.sgi.com/projects/FreeB/ . + */ + +/*------------------------------------------------------------------------- + * GL core functions. + *-----------------------------------------------------------------------*/ + +GL_APICALL void GL_APIENTRY glActiveTexture (GLenum texture); +GL_APICALL void GL_APIENTRY glAttachShader (GLuint program, GLuint shader); +GL_APICALL void GL_APIENTRY glBindAttribLocation (GLuint program, GLuint index, const GLchar* name); +GL_APICALL void GL_APIENTRY glBindBuffer (GLenum target, GLuint buffer); +GL_APICALL void GL_APIENTRY glBindFramebuffer (GLenum target, GLuint framebuffer); +GL_APICALL void GL_APIENTRY glBindRenderbuffer (GLenum target, GLuint renderbuffer); +GL_APICALL void GL_APIENTRY glBindTexture (GLenum target, GLuint texture); +GL_APICALL void GL_APIENTRY glBlendColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); +GL_APICALL void GL_APIENTRY glBlendEquation ( GLenum mode ); +GL_APICALL void GL_APIENTRY glBlendEquationSeparate (GLenum modeRGB, GLenum modeAlpha); +GL_APICALL void GL_APIENTRY glBlendFunc (GLenum sfactor, GLenum dfactor); +GL_APICALL void GL_APIENTRY glBlendFuncSeparate (GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha); +GL_APICALL void GL_APIENTRY glBufferData (GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage); +GL_APICALL void GL_APIENTRY glBufferSubData (GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data); +GL_APICALL GLenum GL_APIENTRY glCheckFramebufferStatus (GLenum target); +GL_APICALL void GL_APIENTRY glClear (GLbitfield mask); +GL_APICALL void GL_APIENTRY glClearColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); +GL_APICALL void GL_APIENTRY glClearDepthf (GLclampf depth); +GL_APICALL void GL_APIENTRY glClearStencil (GLint s); +GL_APICALL void GL_APIENTRY glColorMask (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); +GL_APICALL void GL_APIENTRY glCompileShader (GLuint shader); +GL_APICALL void GL_APIENTRY glCompressedTexImage2D (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid* data); +GL_APICALL void GL_APIENTRY glCompressedTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid* data); +GL_APICALL void GL_APIENTRY glCopyTexImage2D (GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); +GL_APICALL void GL_APIENTRY glCopyTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); +GL_APICALL GLuint GL_APIENTRY glCreateProgram (void); +GL_APICALL GLuint GL_APIENTRY glCreateShader (GLenum type); +GL_APICALL void GL_APIENTRY glCullFace (GLenum mode); +GL_APICALL void GL_APIENTRY glDeleteBuffers (GLsizei n, const GLuint* buffers); +GL_APICALL void GL_APIENTRY glDeleteFramebuffers (GLsizei n, const GLuint* framebuffers); +GL_APICALL void GL_APIENTRY glDeleteProgram (GLuint program); +GL_APICALL void GL_APIENTRY glDeleteRenderbuffers (GLsizei n, const GLuint* renderbuffers); +GL_APICALL void GL_APIENTRY glDeleteShader (GLuint shader); +GL_APICALL void GL_APIENTRY glDeleteTextures (GLsizei n, const GLuint* textures); +GL_APICALL void GL_APIENTRY glDepthFunc (GLenum func); +GL_APICALL void GL_APIENTRY glDepthMask (GLboolean flag); +GL_APICALL void GL_APIENTRY glDepthRangef (GLclampf zNear, GLclampf zFar); +GL_APICALL void GL_APIENTRY glDetachShader (GLuint program, GLuint shader); +GL_APICALL void GL_APIENTRY glDisable (GLenum cap); +GL_APICALL void GL_APIENTRY glDisableVertexAttribArray (GLuint index); +GL_APICALL void GL_APIENTRY glDrawArrays (GLenum mode, GLint first, GLsizei count); +GL_APICALL void GL_APIENTRY glDrawElements (GLenum mode, GLsizei count, GLenum type, const GLvoid* indices); +GL_APICALL void GL_APIENTRY glEnable (GLenum cap); +GL_APICALL void GL_APIENTRY glEnableVertexAttribArray (GLuint index); +GL_APICALL void GL_APIENTRY glFinish (void); +GL_APICALL void GL_APIENTRY glFlush (void); +GL_APICALL void GL_APIENTRY glFramebufferRenderbuffer (GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); +GL_APICALL void GL_APIENTRY glFramebufferTexture2D (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); +GL_APICALL void GL_APIENTRY glFrontFace (GLenum mode); +GL_APICALL void GL_APIENTRY glGenBuffers (GLsizei n, GLuint* buffers); +GL_APICALL void GL_APIENTRY glGenerateMipmap (GLenum target); +GL_APICALL void GL_APIENTRY glGenFramebuffers (GLsizei n, GLuint* framebuffers); +GL_APICALL void GL_APIENTRY glGenRenderbuffers (GLsizei n, GLuint* renderbuffers); +GL_APICALL void GL_APIENTRY glGenTextures (GLsizei n, GLuint* textures); +GL_APICALL void GL_APIENTRY glGetActiveAttrib (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name); +GL_APICALL void GL_APIENTRY glGetActiveUniform (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name); +GL_APICALL void GL_APIENTRY glGetAttachedShaders (GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders); +GL_APICALL int GL_APIENTRY glGetAttribLocation (GLuint program, const GLchar* name); +GL_APICALL void GL_APIENTRY glGetBooleanv (GLenum pname, GLboolean* params); +GL_APICALL void GL_APIENTRY glGetBufferParameteriv (GLenum target, GLenum pname, GLint* params); +GL_APICALL GLenum GL_APIENTRY glGetError (void); +GL_APICALL void GL_APIENTRY glGetFloatv (GLenum pname, GLfloat* params); +GL_APICALL void GL_APIENTRY glGetFramebufferAttachmentParameteriv (GLenum target, GLenum attachment, GLenum pname, GLint* params); +GL_APICALL void GL_APIENTRY glGetIntegerv (GLenum pname, GLint* params); +GL_APICALL void GL_APIENTRY glGetProgramiv (GLuint program, GLenum pname, GLint* params); +GL_APICALL void GL_APIENTRY glGetProgramInfoLog (GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog); +GL_APICALL void GL_APIENTRY glGetRenderbufferParameteriv (GLenum target, GLenum pname, GLint* params); +GL_APICALL void GL_APIENTRY glGetShaderiv (GLuint shader, GLenum pname, GLint* params); +GL_APICALL void GL_APIENTRY glGetShaderInfoLog (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog); +GL_APICALL void GL_APIENTRY glGetShaderPrecisionFormat (GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision); +GL_APICALL void GL_APIENTRY glGetShaderSource (GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source); +GL_APICALL const GLubyte* GL_APIENTRY glGetString (GLenum name); +GL_APICALL void GL_APIENTRY glGetTexParameterfv (GLenum target, GLenum pname, GLfloat* params); +GL_APICALL void GL_APIENTRY glGetTexParameteriv (GLenum target, GLenum pname, GLint* params); +GL_APICALL void GL_APIENTRY glGetUniformfv (GLuint program, GLint location, GLfloat* params); +GL_APICALL void GL_APIENTRY glGetUniformiv (GLuint program, GLint location, GLint* params); +GL_APICALL int GL_APIENTRY glGetUniformLocation (GLuint program, const GLchar* name); +GL_APICALL void GL_APIENTRY glGetVertexAttribfv (GLuint index, GLenum pname, GLfloat* params); +GL_APICALL void GL_APIENTRY glGetVertexAttribiv (GLuint index, GLenum pname, GLint* params); +GL_APICALL void GL_APIENTRY glGetVertexAttribPointerv (GLuint index, GLenum pname, GLvoid** pointer); +GL_APICALL void GL_APIENTRY glHint (GLenum target, GLenum mode); +GL_APICALL GLboolean GL_APIENTRY glIsBuffer (GLuint buffer); +GL_APICALL GLboolean GL_APIENTRY glIsEnabled (GLenum cap); +GL_APICALL GLboolean GL_APIENTRY glIsFramebuffer (GLuint framebuffer); +GL_APICALL GLboolean GL_APIENTRY glIsProgram (GLuint program); +GL_APICALL GLboolean GL_APIENTRY glIsRenderbuffer (GLuint renderbuffer); +GL_APICALL GLboolean GL_APIENTRY glIsShader (GLuint shader); +GL_APICALL GLboolean GL_APIENTRY glIsTexture (GLuint texture); +GL_APICALL void GL_APIENTRY glLineWidth (GLfloat width); +GL_APICALL void GL_APIENTRY glLinkProgram (GLuint program); +GL_APICALL void GL_APIENTRY glPixelStorei (GLenum pname, GLint param); +GL_APICALL void GL_APIENTRY glPolygonOffset (GLfloat factor, GLfloat units); +GL_APICALL void GL_APIENTRY glReadPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels); +GL_APICALL void GL_APIENTRY glReleaseShaderCompiler (void); +GL_APICALL void GL_APIENTRY glRenderbufferStorage (GLenum target, GLenum internalformat, GLsizei width, GLsizei height); +GL_APICALL void GL_APIENTRY glSampleCoverage (GLclampf value, GLboolean invert); +GL_APICALL void GL_APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height); +GL_APICALL void GL_APIENTRY glShaderBinary (GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length); +GL_APICALL void GL_APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar* const* string, const GLint* length); +GL_APICALL void GL_APIENTRY glStencilFunc (GLenum func, GLint ref, GLuint mask); +GL_APICALL void GL_APIENTRY glStencilFuncSeparate (GLenum face, GLenum func, GLint ref, GLuint mask); +GL_APICALL void GL_APIENTRY glStencilMask (GLuint mask); +GL_APICALL void GL_APIENTRY glStencilMaskSeparate (GLenum face, GLuint mask); +GL_APICALL void GL_APIENTRY glStencilOp (GLenum fail, GLenum zfail, GLenum zpass); +GL_APICALL void GL_APIENTRY glStencilOpSeparate (GLenum face, GLenum fail, GLenum zfail, GLenum zpass); +GL_APICALL void GL_APIENTRY glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels); +GL_APICALL void GL_APIENTRY glTexParameterf (GLenum target, GLenum pname, GLfloat param); +GL_APICALL void GL_APIENTRY glTexParameterfv (GLenum target, GLenum pname, const GLfloat* params); +GL_APICALL void GL_APIENTRY glTexParameteri (GLenum target, GLenum pname, GLint param); +GL_APICALL void GL_APIENTRY glTexParameteriv (GLenum target, GLenum pname, const GLint* params); +GL_APICALL void GL_APIENTRY glTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid* pixels); +GL_APICALL void GL_APIENTRY glUniform1f (GLint location, GLfloat x); +GL_APICALL void GL_APIENTRY glUniform1fv (GLint location, GLsizei count, const GLfloat* v); +GL_APICALL void GL_APIENTRY glUniform1i (GLint location, GLint x); +GL_APICALL void GL_APIENTRY glUniform1iv (GLint location, GLsizei count, const GLint* v); +GL_APICALL void GL_APIENTRY glUniform2f (GLint location, GLfloat x, GLfloat y); +GL_APICALL void GL_APIENTRY glUniform2fv (GLint location, GLsizei count, const GLfloat* v); +GL_APICALL void GL_APIENTRY glUniform2i (GLint location, GLint x, GLint y); +GL_APICALL void GL_APIENTRY glUniform2iv (GLint location, GLsizei count, const GLint* v); +GL_APICALL void GL_APIENTRY glUniform3f (GLint location, GLfloat x, GLfloat y, GLfloat z); +GL_APICALL void GL_APIENTRY glUniform3fv (GLint location, GLsizei count, const GLfloat* v); +GL_APICALL void GL_APIENTRY glUniform3i (GLint location, GLint x, GLint y, GLint z); +GL_APICALL void GL_APIENTRY glUniform3iv (GLint location, GLsizei count, const GLint* v); +GL_APICALL void GL_APIENTRY glUniform4f (GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w); +GL_APICALL void GL_APIENTRY glUniform4fv (GLint location, GLsizei count, const GLfloat* v); +GL_APICALL void GL_APIENTRY glUniform4i (GLint location, GLint x, GLint y, GLint z, GLint w); +GL_APICALL void GL_APIENTRY glUniform4iv (GLint location, GLsizei count, const GLint* v); +GL_APICALL void GL_APIENTRY glUniformMatrix2fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); +GL_APICALL void GL_APIENTRY glUniformMatrix3fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); +GL_APICALL void GL_APIENTRY glUniformMatrix4fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat* value); +GL_APICALL void GL_APIENTRY glUseProgram (GLuint program); +GL_APICALL void GL_APIENTRY glValidateProgram (GLuint program); +GL_APICALL void GL_APIENTRY glVertexAttrib1f (GLuint indx, GLfloat x); +GL_APICALL void GL_APIENTRY glVertexAttrib1fv (GLuint indx, const GLfloat* values); +GL_APICALL void GL_APIENTRY glVertexAttrib2f (GLuint indx, GLfloat x, GLfloat y); +GL_APICALL void GL_APIENTRY glVertexAttrib2fv (GLuint indx, const GLfloat* values); +GL_APICALL void GL_APIENTRY glVertexAttrib3f (GLuint indx, GLfloat x, GLfloat y, GLfloat z); +GL_APICALL void GL_APIENTRY glVertexAttrib3fv (GLuint indx, const GLfloat* values); +GL_APICALL void GL_APIENTRY glVertexAttrib4f (GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w); +GL_APICALL void GL_APIENTRY glVertexAttrib4fv (GLuint indx, const GLfloat* values); +GL_APICALL void GL_APIENTRY glVertexAttribPointer (GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr); +GL_APICALL void GL_APIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height); + +#ifdef __cplusplus +} +#endif + +#endif /* __gl2_h_ */ diff --git a/cogl-gles2/GLES2/gl2ext.h b/cogl-gles2/GLES2/gl2ext.h new file mode 100644 index 0000000..e4016a5 --- /dev/null +++ b/cogl-gles2/GLES2/gl2ext.h @@ -0,0 +1,1498 @@ +#ifndef __gl2ext_h_ +#define __gl2ext_h_ + +/* $Revision: 16994 $ on $Date:: 2012-02-29 18:29:34 -0800 #$ */ + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * This document is licensed under the SGI Free Software B License Version + * 2.0. For details, see http://oss.sgi.com/projects/FreeB/ . + */ + +#ifndef GL_APIENTRYP +# define GL_APIENTRYP GL_APIENTRY* +#endif + +/*------------------------------------------------------------------------* + * OES extension tokens + *------------------------------------------------------------------------*/ + +/* GL_OES_compressed_ETC1_RGB8_texture */ +#ifndef GL_OES_compressed_ETC1_RGB8_texture +#define GL_ETC1_RGB8_OES 0x8D64 +#endif + +/* GL_OES_compressed_paletted_texture */ +#ifndef GL_OES_compressed_paletted_texture +#define GL_PALETTE4_RGB8_OES 0x8B90 +#define GL_PALETTE4_RGBA8_OES 0x8B91 +#define GL_PALETTE4_R5_G6_B5_OES 0x8B92 +#define GL_PALETTE4_RGBA4_OES 0x8B93 +#define GL_PALETTE4_RGB5_A1_OES 0x8B94 +#define GL_PALETTE8_RGB8_OES 0x8B95 +#define GL_PALETTE8_RGBA8_OES 0x8B96 +#define GL_PALETTE8_R5_G6_B5_OES 0x8B97 +#define GL_PALETTE8_RGBA4_OES 0x8B98 +#define GL_PALETTE8_RGB5_A1_OES 0x8B99 +#endif + +/* GL_OES_depth24 */ +#ifndef GL_OES_depth24 +#define GL_DEPTH_COMPONENT24_OES 0x81A6 +#endif + +/* GL_OES_depth32 */ +#ifndef GL_OES_depth32 +#define GL_DEPTH_COMPONENT32_OES 0x81A7 +#endif + +/* GL_OES_depth_texture */ +/* No new tokens introduced by this extension. */ + +/* GL_OES_EGL_image */ +#ifndef GL_OES_EGL_image +typedef void* GLeglImageOES; +#endif + +/* GL_OES_EGL_image_external */ +#ifndef GL_OES_EGL_image_external +/* GLeglImageOES defined in GL_OES_EGL_image already. */ +#define GL_TEXTURE_EXTERNAL_OES 0x8D65 +#define GL_SAMPLER_EXTERNAL_OES 0x8D66 +#define GL_TEXTURE_BINDING_EXTERNAL_OES 0x8D67 +#define GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES 0x8D68 +#endif + +/* GL_OES_element_index_uint */ +#ifndef GL_OES_element_index_uint +#define GL_UNSIGNED_INT 0x1405 +#endif + +/* GL_OES_get_program_binary */ +#ifndef GL_OES_get_program_binary +#define GL_PROGRAM_BINARY_LENGTH_OES 0x8741 +#define GL_NUM_PROGRAM_BINARY_FORMATS_OES 0x87FE +#define GL_PROGRAM_BINARY_FORMATS_OES 0x87FF +#endif + +/* GL_OES_mapbuffer */ +#ifndef GL_OES_mapbuffer +#define GL_WRITE_ONLY_OES 0x88B9 +#define GL_BUFFER_ACCESS_OES 0x88BB +#define GL_BUFFER_MAPPED_OES 0x88BC +#define GL_BUFFER_MAP_POINTER_OES 0x88BD +#endif + +/* GL_OES_packed_depth_stencil */ +#ifndef GL_OES_packed_depth_stencil +#define GL_DEPTH_STENCIL_OES 0x84F9 +#define GL_UNSIGNED_INT_24_8_OES 0x84FA +#define GL_DEPTH24_STENCIL8_OES 0x88F0 +#endif + +/* GL_OES_rgb8_rgba8 */ +#ifndef GL_OES_rgb8_rgba8 +#define GL_RGB8_OES 0x8051 +#define GL_RGBA8_OES 0x8058 +#endif + +/* GL_OES_standard_derivatives */ +#ifndef GL_OES_standard_derivatives +#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES 0x8B8B +#endif + +/* GL_OES_stencil1 */ +#ifndef GL_OES_stencil1 +#define GL_STENCIL_INDEX1_OES 0x8D46 +#endif + +/* GL_OES_stencil4 */ +#ifndef GL_OES_stencil4 +#define GL_STENCIL_INDEX4_OES 0x8D47 +#endif + +/* GL_OES_texture_3D */ +#ifndef GL_OES_texture_3D +#define GL_TEXTURE_WRAP_R_OES 0x8072 +#define GL_TEXTURE_3D_OES 0x806F +#define GL_TEXTURE_BINDING_3D_OES 0x806A +#define GL_MAX_3D_TEXTURE_SIZE_OES 0x8073 +#define GL_SAMPLER_3D_OES 0x8B5F +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_OES 0x8CD4 +#endif + +/* GL_OES_texture_float */ +/* No new tokens introduced by this extension. */ + +/* GL_OES_texture_float_linear */ +/* No new tokens introduced by this extension. */ + +/* GL_OES_texture_half_float */ +#ifndef GL_OES_texture_half_float +#define GL_HALF_FLOAT_OES 0x8D61 +#endif + +/* GL_OES_texture_half_float_linear */ +/* No new tokens introduced by this extension. */ + +/* GL_OES_texture_npot */ +/* No new tokens introduced by this extension. */ + +/* GL_OES_vertex_array_object */ +#ifndef GL_OES_vertex_array_object +#define GL_VERTEX_ARRAY_BINDING_OES 0x85B5 +#endif + +/* GL_OES_vertex_half_float */ +/* GL_HALF_FLOAT_OES defined in GL_OES_texture_half_float already. */ + +/* GL_OES_vertex_type_10_10_10_2 */ +#ifndef GL_OES_vertex_type_10_10_10_2 +#define GL_UNSIGNED_INT_10_10_10_2_OES 0x8DF6 +#define GL_INT_10_10_10_2_OES 0x8DF7 +#endif + +/*------------------------------------------------------------------------* + * AMD extension tokens + *------------------------------------------------------------------------*/ + +/* GL_AMD_compressed_3DC_texture */ +#ifndef GL_AMD_compressed_3DC_texture +#define GL_3DC_X_AMD 0x87F9 +#define GL_3DC_XY_AMD 0x87FA +#endif + +/* GL_AMD_compressed_ATC_texture */ +#ifndef GL_AMD_compressed_ATC_texture +#define GL_ATC_RGB_AMD 0x8C92 +#define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD 0x8C93 +#define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE +#endif + +/* GL_AMD_performance_monitor */ +#ifndef GL_AMD_performance_monitor +#define GL_COUNTER_TYPE_AMD 0x8BC0 +#define GL_COUNTER_RANGE_AMD 0x8BC1 +#define GL_UNSIGNED_INT64_AMD 0x8BC2 +#define GL_PERCENTAGE_AMD 0x8BC3 +#define GL_PERFMON_RESULT_AVAILABLE_AMD 0x8BC4 +#define GL_PERFMON_RESULT_SIZE_AMD 0x8BC5 +#define GL_PERFMON_RESULT_AMD 0x8BC6 +#endif + +/* GL_AMD_program_binary_Z400 */ +#ifndef GL_AMD_program_binary_Z400 +#define GL_Z400_BINARY_AMD 0x8740 +#endif + +/*------------------------------------------------------------------------* + * ANGLE extension tokens + *------------------------------------------------------------------------*/ + +/* GL_ANGLE_framebuffer_blit */ +#ifndef GL_ANGLE_framebuffer_blit +#define GL_READ_FRAMEBUFFER_ANGLE 0x8CA8 +#define GL_DRAW_FRAMEBUFFER_ANGLE 0x8CA9 +#define GL_DRAW_FRAMEBUFFER_BINDING_ANGLE 0x8CA6 +#define GL_READ_FRAMEBUFFER_BINDING_ANGLE 0x8CAA +#endif + +/* GL_ANGLE_framebuffer_multisample */ +#ifndef GL_ANGLE_framebuffer_multisample +#define GL_RENDERBUFFER_SAMPLES_ANGLE 0x8CAB +#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_ANGLE 0x8D56 +#define GL_MAX_SAMPLES_ANGLE 0x8D57 +#endif + +/* GL_ANGLE_instanced_arrays */ +#ifndef GL_ANGLE_instanced_arrays +#define GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE 0x88FE +#endif + +/* GL_ANGLE_pack_reverse_row_order */ +#ifndef GL_ANGLE_pack_reverse_row_order +#define GL_PACK_REVERSE_ROW_ORDER_ANGLE 0x93A4 +#endif + +/* GL_ANGLE_texture_compression_dxt3 */ +#ifndef GL_ANGLE_texture_compression_dxt3 +#define GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE 0x83F2 +#endif + +/* GL_ANGLE_texture_compression_dxt5 */ +#ifndef GL_ANGLE_texture_compression_dxt5 +#define GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE 0x83F3 +#endif + +/* GL_ANGLE_texture_usage */ +#ifndef GL_ANGLE_texture_usage +#define GL_TEXTURE_USAGE_ANGLE 0x93A2 +#define GL_FRAMEBUFFER_ATTACHMENT_ANGLE 0x93A3 +#endif + +/* GL_ANGLE_translated_shader_source */ +#ifndef GL_ANGLE_translated_shader_source +#define GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0 +#endif + +/*------------------------------------------------------------------------* + * APPLE extension tokens + *------------------------------------------------------------------------*/ + +/* GL_APPLE_rgb_422 */ +#ifndef GL_APPLE_rgb_422 +#define GL_RGB_422_APPLE 0x8A1F +#define GL_UNSIGNED_SHORT_8_8_APPLE 0x85BA +#define GL_UNSIGNED_SHORT_8_8_REV_APPLE 0x85BB +#endif + +/* GL_APPLE_framebuffer_multisample */ +#ifndef GL_APPLE_framebuffer_multisample +#define GL_RENDERBUFFER_SAMPLES_APPLE 0x8CAB +#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_APPLE 0x8D56 +#define GL_MAX_SAMPLES_APPLE 0x8D57 +#define GL_READ_FRAMEBUFFER_APPLE 0x8CA8 +#define GL_DRAW_FRAMEBUFFER_APPLE 0x8CA9 +#define GL_DRAW_FRAMEBUFFER_BINDING_APPLE 0x8CA6 +#define GL_READ_FRAMEBUFFER_BINDING_APPLE 0x8CAA +#endif + +/* GL_APPLE_texture_format_BGRA8888 */ +#ifndef GL_APPLE_texture_format_BGRA8888 +#define GL_BGRA_EXT 0x80E1 +#endif + +/* GL_APPLE_texture_max_level */ +#ifndef GL_APPLE_texture_max_level +#define GL_TEXTURE_MAX_LEVEL_APPLE 0x813D +#endif + +/*------------------------------------------------------------------------* + * ARM extension tokens + *------------------------------------------------------------------------*/ + +/* GL_ARM_mali_shader_binary */ +#ifndef GL_ARM_mali_shader_binary +#define GL_MALI_SHADER_BINARY_ARM 0x8F60 +#endif + +/* GL_ARM_rgba8 */ +/* No new tokens introduced by this extension. */ + +/*------------------------------------------------------------------------* + * EXT extension tokens + *------------------------------------------------------------------------*/ + +/* GL_EXT_blend_minmax */ +#ifndef GL_EXT_blend_minmax +#define GL_MIN_EXT 0x8007 +#define GL_MAX_EXT 0x8008 +#endif + +/* GL_EXT_color_buffer_half_float */ +#ifndef GL_EXT_color_buffer_half_float +#define GL_RGBA16F_EXT 0x881A +#define GL_RGB16F_EXT 0x881B +#define GL_RG16F_EXT 0x822F +#define GL_R16F_EXT 0x822D +#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE_EXT 0x8211 +#define GL_UNSIGNED_NORMALIZED_EXT 0x8C17 +#endif + +/* GL_EXT_debug_label */ +#ifndef GL_EXT_debug_label +#define GL_PROGRAM_PIPELINE_OBJECT_EXT 0x8A4F +#define GL_PROGRAM_OBJECT_EXT 0x8B40 +#define GL_SHADER_OBJECT_EXT 0x8B48 +#define GL_BUFFER_OBJECT_EXT 0x9151 +#define GL_QUERY_OBJECT_EXT 0x9153 +#define GL_VERTEX_ARRAY_OBJECT_EXT 0x9154 +#endif + +/* GL_EXT_debug_marker */ +/* No new tokens introduced by this extension. */ + +/* GL_EXT_discard_framebuffer */ +#ifndef GL_EXT_discard_framebuffer +#define GL_COLOR_EXT 0x1800 +#define GL_DEPTH_EXT 0x1801 +#define GL_STENCIL_EXT 0x1802 +#endif + +/* GL_EXT_multisampled_render_to_texture */ +#ifndef GL_EXT_multisampled_render_to_texture +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT 0x8D6C +#define GL_RENDERBUFFER_SAMPLES_EXT 0x9133 +#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT 0x9134 +#define GL_MAX_SAMPLES_EXT 0x9135 +#endif + +/* GL_EXT_multi_draw_arrays */ +/* No new tokens introduced by this extension. */ + +/* GL_EXT_occlusion_query_boolean */ +#ifndef GL_EXT_occlusion_query_boolean +#define GL_ANY_SAMPLES_PASSED_EXT 0x8C2F +#define GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT 0x8D6A +#define GL_CURRENT_QUERY_EXT 0x8865 +#define GL_QUERY_RESULT_EXT 0x8866 +#define GL_QUERY_RESULT_AVAILABLE_EXT 0x8867 +#endif + +/* GL_EXT_read_format_bgra */ +#ifndef GL_EXT_read_format_bgra +#define GL_BGRA_EXT 0x80E1 +#define GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT 0x8365 +#define GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT 0x8366 +#endif + +/* GL_EXT_robustness */ +#ifndef GL_EXT_robustness +/* reuse GL_NO_ERROR */ +#define GL_GUILTY_CONTEXT_RESET_EXT 0x8253 +#define GL_INNOCENT_CONTEXT_RESET_EXT 0x8254 +#define GL_UNKNOWN_CONTEXT_RESET_EXT 0x8255 +#define GL_CONTEXT_ROBUST_ACCESS_EXT 0x90F3 +#define GL_RESET_NOTIFICATION_STRATEGY_EXT 0x8256 +#define GL_LOSE_CONTEXT_ON_RESET_EXT 0x8252 +#define GL_NO_RESET_NOTIFICATION_EXT 0x8261 +#endif + +/* GL_EXT_separate_shader_objects */ +#ifndef GL_EXT_separate_shader_objects +#define GL_VERTEX_SHADER_BIT_EXT 0x00000001 +#define GL_FRAGMENT_SHADER_BIT_EXT 0x00000002 +#define GL_ALL_SHADER_BITS_EXT 0xFFFFFFFF +#define GL_PROGRAM_SEPARABLE_EXT 0x8258 +#define GL_ACTIVE_PROGRAM_EXT 0x8259 +#define GL_PROGRAM_PIPELINE_BINDING_EXT 0x825A +#endif + +/* GL_EXT_shader_texture_lod */ +/* No new tokens introduced by this extension. */ + +/* GL_EXT_shadow_samplers */ +#ifndef GL_EXT_shadow_samplers +#define GL_TEXTURE_COMPARE_MODE_EXT 0x884C +#define GL_TEXTURE_COMPARE_FUNC_EXT 0x884D +#define GL_COMPARE_REF_TO_TEXTURE_EXT 0x884E +#define GL_SAMPLER_2D_SHADOW_EXT 0x8B62 +#endif + +/* GL_EXT_sRGB */ +#ifndef GL_EXT_sRGB +#define GL_SRGB_EXT 0x8C40 +#define GL_SRGB_ALPHA_EXT 0x8C42 +#define GL_SRGB8_ALPHA8_EXT 0x8C43 +#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT 0x8210 +#endif + +/* GL_EXT_texture_compression_dxt1 */ +#ifndef GL_EXT_texture_compression_dxt1 +#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0 +#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1 +#endif + +/* GL_EXT_texture_filter_anisotropic */ +#ifndef GL_EXT_texture_filter_anisotropic +#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE +#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF +#endif + +/* GL_EXT_texture_format_BGRA8888 */ +#ifndef GL_EXT_texture_format_BGRA8888 +#define GL_BGRA_EXT 0x80E1 +#endif + +/* GL_EXT_texture_rg */ +#ifndef GL_EXT_texture_rg +#define GL_RED_EXT 0x1903 +#define GL_RG_EXT 0x8227 +#define GL_R8_EXT 0x8229 +#define GL_RG8_EXT 0x822B +#endif + +/* GL_EXT_texture_storage */ +#ifndef GL_EXT_texture_storage +#define GL_TEXTURE_IMMUTABLE_FORMAT_EXT 0x912F +#define GL_ALPHA8_EXT 0x803C +#define GL_LUMINANCE8_EXT 0x8040 +#define GL_LUMINANCE8_ALPHA8_EXT 0x8045 +#define GL_RGBA32F_EXT 0x8814 +#define GL_RGB32F_EXT 0x8815 +#define GL_ALPHA32F_EXT 0x8816 +#define GL_LUMINANCE32F_EXT 0x8818 +#define GL_LUMINANCE_ALPHA32F_EXT 0x8819 +/* reuse GL_RGBA16F_EXT */ +/* reuse GL_RGB16F_EXT */ +#define GL_ALPHA16F_EXT 0x881C +#define GL_LUMINANCE16F_EXT 0x881E +#define GL_LUMINANCE_ALPHA16F_EXT 0x881F +#define GL_RGB10_A2_EXT 0x8059 +#define GL_RGB10_EXT 0x8052 +#define GL_BGRA8_EXT 0x93A1 +#define GL_R8_EXT 0x8229 +#define GL_RG8_EXT 0x822B +#define GL_R32F_EXT 0x822E +#define GL_RG32F_EXT 0x8230 +#define GL_R16F_EXT 0x822D +#define GL_RG16F_EXT 0x822F +#endif + +/* GL_EXT_texture_type_2_10_10_10_REV */ +#ifndef GL_EXT_texture_type_2_10_10_10_REV +#define GL_UNSIGNED_INT_2_10_10_10_REV_EXT 0x8368 +#endif + +/* GL_EXT_unpack_subimage */ +#ifndef GL_EXT_unpack_subimage +#define GL_UNPACK_ROW_LENGTH 0x0CF2 +#define GL_UNPACK_SKIP_ROWS 0x0CF3 +#define GL_UNPACK_SKIP_PIXELS 0x0CF4 +#endif + +/*------------------------------------------------------------------------* + * DMP extension tokens + *------------------------------------------------------------------------*/ + +/* GL_DMP_shader_binary */ +#ifndef GL_DMP_shader_binary +#define GL_SHADER_BINARY_DMP 0x9250 +#endif + +/*------------------------------------------------------------------------* + * IMG extension tokens + *------------------------------------------------------------------------*/ + +/* GL_IMG_program_binary */ +#ifndef GL_IMG_program_binary +#define GL_SGX_PROGRAM_BINARY_IMG 0x9130 +#endif + +/* GL_IMG_read_format */ +#ifndef GL_IMG_read_format +#define GL_BGRA_IMG 0x80E1 +#define GL_UNSIGNED_SHORT_4_4_4_4_REV_IMG 0x8365 +#endif + +/* GL_IMG_shader_binary */ +#ifndef GL_IMG_shader_binary +#define GL_SGX_BINARY_IMG 0x8C0A +#endif + +/* GL_IMG_texture_compression_pvrtc */ +#ifndef GL_IMG_texture_compression_pvrtc +#define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00 +#define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01 +#define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02 +#define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03 +#endif + +/* GL_IMG_multisampled_render_to_texture */ +#ifndef GL_IMG_multisampled_render_to_texture +#define GL_RENDERBUFFER_SAMPLES_IMG 0x9133 +#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_IMG 0x9134 +#define GL_MAX_SAMPLES_IMG 0x9135 +#define GL_TEXTURE_SAMPLES_IMG 0x9136 +#endif + +/*------------------------------------------------------------------------* + * NV extension tokens + *------------------------------------------------------------------------*/ + +/* GL_NV_coverage_sample */ +#ifndef GL_NV_coverage_sample +#define GL_COVERAGE_COMPONENT_NV 0x8ED0 +#define GL_COVERAGE_COMPONENT4_NV 0x8ED1 +#define GL_COVERAGE_ATTACHMENT_NV 0x8ED2 +#define GL_COVERAGE_BUFFERS_NV 0x8ED3 +#define GL_COVERAGE_SAMPLES_NV 0x8ED4 +#define GL_COVERAGE_ALL_FRAGMENTS_NV 0x8ED5 +#define GL_COVERAGE_EDGE_FRAGMENTS_NV 0x8ED6 +#define GL_COVERAGE_AUTOMATIC_NV 0x8ED7 +#define GL_COVERAGE_BUFFER_BIT_NV 0x8000 +#endif + +/* GL_NV_depth_nonlinear */ +#ifndef GL_NV_depth_nonlinear +#define GL_DEPTH_COMPONENT16_NONLINEAR_NV 0x8E2C +#endif + +/* GL_NV_draw_buffers */ +#ifndef GL_NV_draw_buffers +#define GL_MAX_DRAW_BUFFERS_NV 0x8824 +#define GL_DRAW_BUFFER0_NV 0x8825 +#define GL_DRAW_BUFFER1_NV 0x8826 +#define GL_DRAW_BUFFER2_NV 0x8827 +#define GL_DRAW_BUFFER3_NV 0x8828 +#define GL_DRAW_BUFFER4_NV 0x8829 +#define GL_DRAW_BUFFER5_NV 0x882A +#define GL_DRAW_BUFFER6_NV 0x882B +#define GL_DRAW_BUFFER7_NV 0x882C +#define GL_DRAW_BUFFER8_NV 0x882D +#define GL_DRAW_BUFFER9_NV 0x882E +#define GL_DRAW_BUFFER10_NV 0x882F +#define GL_DRAW_BUFFER11_NV 0x8830 +#define GL_DRAW_BUFFER12_NV 0x8831 +#define GL_DRAW_BUFFER13_NV 0x8832 +#define GL_DRAW_BUFFER14_NV 0x8833 +#define GL_DRAW_BUFFER15_NV 0x8834 +#define GL_COLOR_ATTACHMENT0_NV 0x8CE0 +#define GL_COLOR_ATTACHMENT1_NV 0x8CE1 +#define GL_COLOR_ATTACHMENT2_NV 0x8CE2 +#define GL_COLOR_ATTACHMENT3_NV 0x8CE3 +#define GL_COLOR_ATTACHMENT4_NV 0x8CE4 +#define GL_COLOR_ATTACHMENT5_NV 0x8CE5 +#define GL_COLOR_ATTACHMENT6_NV 0x8CE6 +#define GL_COLOR_ATTACHMENT7_NV 0x8CE7 +#define GL_COLOR_ATTACHMENT8_NV 0x8CE8 +#define GL_COLOR_ATTACHMENT9_NV 0x8CE9 +#define GL_COLOR_ATTACHMENT10_NV 0x8CEA +#define GL_COLOR_ATTACHMENT11_NV 0x8CEB +#define GL_COLOR_ATTACHMENT12_NV 0x8CEC +#define GL_COLOR_ATTACHMENT13_NV 0x8CED +#define GL_COLOR_ATTACHMENT14_NV 0x8CEE +#define GL_COLOR_ATTACHMENT15_NV 0x8CEF +#endif + +/* GL_NV_fbo_color_attachments */ +#ifndef GL_NV_fbo_color_attachments +#define GL_MAX_COLOR_ATTACHMENTS_NV 0x8CDF +/* GL_COLOR_ATTACHMENT{0-15}_NV defined in GL_NV_draw_buffers already. */ +#endif + +/* GL_NV_fence */ +#ifndef GL_NV_fence +#define GL_ALL_COMPLETED_NV 0x84F2 +#define GL_FENCE_STATUS_NV 0x84F3 +#define GL_FENCE_CONDITION_NV 0x84F4 +#endif + +/* GL_NV_read_buffer */ +#ifndef GL_NV_read_buffer +#define GL_READ_BUFFER_NV 0x0C02 +#endif + +/* GL_NV_read_buffer_front */ +/* No new tokens introduced by this extension. */ + +/* GL_NV_read_depth */ +/* No new tokens introduced by this extension. */ + +/* GL_NV_read_depth_stencil */ +/* No new tokens introduced by this extension. */ + +/* GL_NV_read_stencil */ +/* No new tokens introduced by this extension. */ + +/* GL_NV_texture_compression_s3tc_update */ +/* No new tokens introduced by this extension. */ + +/* GL_NV_texture_npot_2D_mipmap */ +/* No new tokens introduced by this extension. */ + +/*------------------------------------------------------------------------* + * QCOM extension tokens + *------------------------------------------------------------------------*/ + +/* GL_QCOM_alpha_test */ +#ifndef GL_QCOM_alpha_test +#define GL_ALPHA_TEST_QCOM 0x0BC0 +#define GL_ALPHA_TEST_FUNC_QCOM 0x0BC1 +#define GL_ALPHA_TEST_REF_QCOM 0x0BC2 +#endif + +/* GL_QCOM_driver_control */ +/* No new tokens introduced by this extension. */ + +/* GL_QCOM_extended_get */ +#ifndef GL_QCOM_extended_get +#define GL_TEXTURE_WIDTH_QCOM 0x8BD2 +#define GL_TEXTURE_HEIGHT_QCOM 0x8BD3 +#define GL_TEXTURE_DEPTH_QCOM 0x8BD4 +#define GL_TEXTURE_INTERNAL_FORMAT_QCOM 0x8BD5 +#define GL_TEXTURE_FORMAT_QCOM 0x8BD6 +#define GL_TEXTURE_TYPE_QCOM 0x8BD7 +#define GL_TEXTURE_IMAGE_VALID_QCOM 0x8BD8 +#define GL_TEXTURE_NUM_LEVELS_QCOM 0x8BD9 +#define GL_TEXTURE_TARGET_QCOM 0x8BDA +#define GL_TEXTURE_OBJECT_VALID_QCOM 0x8BDB +#define GL_STATE_RESTORE 0x8BDC +#endif + +/* GL_QCOM_extended_get2 */ +/* No new tokens introduced by this extension. */ + +/* GL_QCOM_perfmon_global_mode */ +#ifndef GL_QCOM_perfmon_global_mode +#define GL_PERFMON_GLOBAL_MODE_QCOM 0x8FA0 +#endif + +/* GL_QCOM_writeonly_rendering */ +#ifndef GL_QCOM_writeonly_rendering +#define GL_WRITEONLY_RENDERING_QCOM 0x8823 +#endif + +/* GL_QCOM_tiled_rendering */ +#ifndef GL_QCOM_tiled_rendering +#define GL_COLOR_BUFFER_BIT0_QCOM 0x00000001 +#define GL_COLOR_BUFFER_BIT1_QCOM 0x00000002 +#define GL_COLOR_BUFFER_BIT2_QCOM 0x00000004 +#define GL_COLOR_BUFFER_BIT3_QCOM 0x00000008 +#define GL_COLOR_BUFFER_BIT4_QCOM 0x00000010 +#define GL_COLOR_BUFFER_BIT5_QCOM 0x00000020 +#define GL_COLOR_BUFFER_BIT6_QCOM 0x00000040 +#define GL_COLOR_BUFFER_BIT7_QCOM 0x00000080 +#define GL_DEPTH_BUFFER_BIT0_QCOM 0x00000100 +#define GL_DEPTH_BUFFER_BIT1_QCOM 0x00000200 +#define GL_DEPTH_BUFFER_BIT2_QCOM 0x00000400 +#define GL_DEPTH_BUFFER_BIT3_QCOM 0x00000800 +#define GL_DEPTH_BUFFER_BIT4_QCOM 0x00001000 +#define GL_DEPTH_BUFFER_BIT5_QCOM 0x00002000 +#define GL_DEPTH_BUFFER_BIT6_QCOM 0x00004000 +#define GL_DEPTH_BUFFER_BIT7_QCOM 0x00008000 +#define GL_STENCIL_BUFFER_BIT0_QCOM 0x00010000 +#define GL_STENCIL_BUFFER_BIT1_QCOM 0x00020000 +#define GL_STENCIL_BUFFER_BIT2_QCOM 0x00040000 +#define GL_STENCIL_BUFFER_BIT3_QCOM 0x00080000 +#define GL_STENCIL_BUFFER_BIT4_QCOM 0x00100000 +#define GL_STENCIL_BUFFER_BIT5_QCOM 0x00200000 +#define GL_STENCIL_BUFFER_BIT6_QCOM 0x00400000 +#define GL_STENCIL_BUFFER_BIT7_QCOM 0x00800000 +#define GL_MULTISAMPLE_BUFFER_BIT0_QCOM 0x01000000 +#define GL_MULTISAMPLE_BUFFER_BIT1_QCOM 0x02000000 +#define GL_MULTISAMPLE_BUFFER_BIT2_QCOM 0x04000000 +#define GL_MULTISAMPLE_BUFFER_BIT3_QCOM 0x08000000 +#define GL_MULTISAMPLE_BUFFER_BIT4_QCOM 0x10000000 +#define GL_MULTISAMPLE_BUFFER_BIT5_QCOM 0x20000000 +#define GL_MULTISAMPLE_BUFFER_BIT6_QCOM 0x40000000 +#define GL_MULTISAMPLE_BUFFER_BIT7_QCOM 0x80000000 +#endif + +/*------------------------------------------------------------------------* + * VIV extension tokens + *------------------------------------------------------------------------*/ + +/* GL_VIV_shader_binary */ +#ifndef GL_VIV_shader_binary +#define GL_SHADER_BINARY_VIV 0x8FC4 +#endif + +/*------------------------------------------------------------------------* + * End of extension tokens, start of corresponding extension functions + *------------------------------------------------------------------------*/ + +/*------------------------------------------------------------------------* + * OES extension functions + *------------------------------------------------------------------------*/ + +/* GL_OES_compressed_ETC1_RGB8_texture */ +#ifndef GL_OES_compressed_ETC1_RGB8_texture +#define GL_OES_compressed_ETC1_RGB8_texture 1 +#endif + +/* GL_OES_compressed_paletted_texture */ +#ifndef GL_OES_compressed_paletted_texture +#define GL_OES_compressed_paletted_texture 1 +#endif + +/* GL_OES_depth24 */ +#ifndef GL_OES_depth24 +#define GL_OES_depth24 1 +#endif + +/* GL_OES_depth32 */ +#ifndef GL_OES_depth32 +#define GL_OES_depth32 1 +#endif + +/* GL_OES_depth_texture */ +#ifndef GL_OES_depth_texture +#define GL_OES_depth_texture 1 +#endif + +/* GL_OES_EGL_image */ +#ifndef GL_OES_EGL_image +#define GL_OES_EGL_image 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image); +GL_APICALL void GL_APIENTRY glEGLImageTargetRenderbufferStorageOES (GLenum target, GLeglImageOES image); +#endif +typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image); +typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC) (GLenum target, GLeglImageOES image); +#endif + +/* GL_OES_EGL_image_external */ +#ifndef GL_OES_EGL_image_external +#define GL_OES_EGL_image_external 1 +/* glEGLImageTargetTexture2DOES defined in GL_OES_EGL_image already. */ +#endif + +/* GL_OES_element_index_uint */ +#ifndef GL_OES_element_index_uint +#define GL_OES_element_index_uint 1 +#endif + +/* GL_OES_fbo_render_mipmap */ +#ifndef GL_OES_fbo_render_mipmap +#define GL_OES_fbo_render_mipmap 1 +#endif + +/* GL_OES_fragment_precision_high */ +#ifndef GL_OES_fragment_precision_high +#define GL_OES_fragment_precision_high 1 +#endif + +/* GL_OES_get_program_binary */ +#ifndef GL_OES_get_program_binary +#define GL_OES_get_program_binary 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glGetProgramBinaryOES (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary); +GL_APICALL void GL_APIENTRY glProgramBinaryOES (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length); +#endif +typedef void (GL_APIENTRYP PFNGLGETPROGRAMBINARYOESPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLenum *binaryFormat, GLvoid *binary); +typedef void (GL_APIENTRYP PFNGLPROGRAMBINARYOESPROC) (GLuint program, GLenum binaryFormat, const GLvoid *binary, GLint length); +#endif + +/* GL_OES_mapbuffer */ +#ifndef GL_OES_mapbuffer +#define GL_OES_mapbuffer 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void* GL_APIENTRY glMapBufferOES (GLenum target, GLenum access); +GL_APICALL GLboolean GL_APIENTRY glUnmapBufferOES (GLenum target); +GL_APICALL void GL_APIENTRY glGetBufferPointervOES (GLenum target, GLenum pname, GLvoid** params); +#endif +typedef void* (GL_APIENTRYP PFNGLMAPBUFFEROESPROC) (GLenum target, GLenum access); +typedef GLboolean (GL_APIENTRYP PFNGLUNMAPBUFFEROESPROC) (GLenum target); +typedef void (GL_APIENTRYP PFNGLGETBUFFERPOINTERVOESPROC) (GLenum target, GLenum pname, GLvoid** params); +#endif + +/* GL_OES_packed_depth_stencil */ +#ifndef GL_OES_packed_depth_stencil +#define GL_OES_packed_depth_stencil 1 +#endif + +/* GL_OES_rgb8_rgba8 */ +#ifndef GL_OES_rgb8_rgba8 +#define GL_OES_rgb8_rgba8 1 +#endif + +/* GL_OES_standard_derivatives */ +#ifndef GL_OES_standard_derivatives +#define GL_OES_standard_derivatives 1 +#endif + +/* GL_OES_stencil1 */ +#ifndef GL_OES_stencil1 +#define GL_OES_stencil1 1 +#endif + +/* GL_OES_stencil4 */ +#ifndef GL_OES_stencil4 +#define GL_OES_stencil4 1 +#endif + +/* GL_OES_texture_3D */ +#ifndef GL_OES_texture_3D +#define GL_OES_texture_3D 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels); +GL_APICALL void GL_APIENTRY glTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid* pixels); +GL_APICALL void GL_APIENTRY glCopyTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height); +GL_APICALL void GL_APIENTRY glCompressedTexImage3DOES (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid* data); +GL_APICALL void GL_APIENTRY glCompressedTexSubImage3DOES (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid* data); +GL_APICALL void GL_APIENTRY glFramebufferTexture3DOES (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset); +#endif +typedef void (GL_APIENTRYP PFNGLTEXIMAGE3DOESPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels); +typedef void (GL_APIENTRYP PFNGLTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid* pixels); +typedef void (GL_APIENTRYP PFNGLCOPYTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height); +typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXIMAGE3DOESPROC) (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const GLvoid* data); +typedef void (GL_APIENTRYP PFNGLCOMPRESSEDTEXSUBIMAGE3DOESPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const GLvoid* data); +typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE3DOES) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset); +#endif + +/* GL_OES_texture_float */ +#ifndef GL_OES_texture_float +#define GL_OES_texture_float 1 +#endif + +/* GL_OES_texture_float_linear */ +#ifndef GL_OES_texture_float_linear +#define GL_OES_texture_float_linear 1 +#endif + +/* GL_OES_texture_half_float */ +#ifndef GL_OES_texture_half_float +#define GL_OES_texture_half_float 1 +#endif + +/* GL_OES_texture_half_float_linear */ +#ifndef GL_OES_texture_half_float_linear +#define GL_OES_texture_half_float_linear 1 +#endif + +/* GL_OES_texture_npot */ +#ifndef GL_OES_texture_npot +#define GL_OES_texture_npot 1 +#endif + +/* GL_OES_vertex_array_object */ +#ifndef GL_OES_vertex_array_object +#define GL_OES_vertex_array_object 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glBindVertexArrayOES (GLuint array); +GL_APICALL void GL_APIENTRY glDeleteVertexArraysOES (GLsizei n, const GLuint *arrays); +GL_APICALL void GL_APIENTRY glGenVertexArraysOES (GLsizei n, GLuint *arrays); +GL_APICALL GLboolean GL_APIENTRY glIsVertexArrayOES (GLuint array); +#endif +typedef void (GL_APIENTRYP PFNGLBINDVERTEXARRAYOESPROC) (GLuint array); +typedef void (GL_APIENTRYP PFNGLDELETEVERTEXARRAYSOESPROC) (GLsizei n, const GLuint *arrays); +typedef void (GL_APIENTRYP PFNGLGENVERTEXARRAYSOESPROC) (GLsizei n, GLuint *arrays); +typedef GLboolean (GL_APIENTRYP PFNGLISVERTEXARRAYOESPROC) (GLuint array); +#endif + +/* GL_OES_vertex_half_float */ +#ifndef GL_OES_vertex_half_float +#define GL_OES_vertex_half_float 1 +#endif + +/* GL_OES_vertex_type_10_10_10_2 */ +#ifndef GL_OES_vertex_type_10_10_10_2 +#define GL_OES_vertex_type_10_10_10_2 1 +#endif + +/*------------------------------------------------------------------------* + * AMD extension functions + *------------------------------------------------------------------------*/ + +/* GL_AMD_compressed_3DC_texture */ +#ifndef GL_AMD_compressed_3DC_texture +#define GL_AMD_compressed_3DC_texture 1 +#endif + +/* GL_AMD_compressed_ATC_texture */ +#ifndef GL_AMD_compressed_ATC_texture +#define GL_AMD_compressed_ATC_texture 1 +#endif + +/* AMD_performance_monitor */ +#ifndef GL_AMD_performance_monitor +#define GL_AMD_performance_monitor 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glGetPerfMonitorGroupsAMD (GLint *numGroups, GLsizei groupsSize, GLuint *groups); +GL_APICALL void GL_APIENTRY glGetPerfMonitorCountersAMD (GLuint group, GLint *numCounters, GLint *maxActiveCounters, GLsizei counterSize, GLuint *counters); +GL_APICALL void GL_APIENTRY glGetPerfMonitorGroupStringAMD (GLuint group, GLsizei bufSize, GLsizei *length, GLchar *groupString); +GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterStringAMD (GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, GLchar *counterString); +GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterInfoAMD (GLuint group, GLuint counter, GLenum pname, GLvoid *data); +GL_APICALL void GL_APIENTRY glGenPerfMonitorsAMD (GLsizei n, GLuint *monitors); +GL_APICALL void GL_APIENTRY glDeletePerfMonitorsAMD (GLsizei n, GLuint *monitors); +GL_APICALL void GL_APIENTRY glSelectPerfMonitorCountersAMD (GLuint monitor, GLboolean enable, GLuint group, GLint numCounters, GLuint *countersList); +GL_APICALL void GL_APIENTRY glBeginPerfMonitorAMD (GLuint monitor); +GL_APICALL void GL_APIENTRY glEndPerfMonitorAMD (GLuint monitor); +GL_APICALL void GL_APIENTRY glGetPerfMonitorCounterDataAMD (GLuint monitor, GLenum pname, GLsizei dataSize, GLuint *data, GLint *bytesWritten); +#endif +typedef void (GL_APIENTRYP PFNGLGETPERFMONITORGROUPSAMDPROC) (GLint *numGroups, GLsizei groupsSize, GLuint *groups); +typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERSAMDPROC) (GLuint group, GLint *numCounters, GLint *maxActiveCounters, GLsizei counterSize, GLuint *counters); +typedef void (GL_APIENTRYP PFNGLGETPERFMONITORGROUPSTRINGAMDPROC) (GLuint group, GLsizei bufSize, GLsizei *length, GLchar *groupString); +typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERSTRINGAMDPROC) (GLuint group, GLuint counter, GLsizei bufSize, GLsizei *length, GLchar *counterString); +typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERINFOAMDPROC) (GLuint group, GLuint counter, GLenum pname, GLvoid *data); +typedef void (GL_APIENTRYP PFNGLGENPERFMONITORSAMDPROC) (GLsizei n, GLuint *monitors); +typedef void (GL_APIENTRYP PFNGLDELETEPERFMONITORSAMDPROC) (GLsizei n, GLuint *monitors); +typedef void (GL_APIENTRYP PFNGLSELECTPERFMONITORCOUNTERSAMDPROC) (GLuint monitor, GLboolean enable, GLuint group, GLint numCounters, GLuint *countersList); +typedef void (GL_APIENTRYP PFNGLBEGINPERFMONITORAMDPROC) (GLuint monitor); +typedef void (GL_APIENTRYP PFNGLENDPERFMONITORAMDPROC) (GLuint monitor); +typedef void (GL_APIENTRYP PFNGLGETPERFMONITORCOUNTERDATAAMDPROC) (GLuint monitor, GLenum pname, GLsizei dataSize, GLuint *data, GLint *bytesWritten); +#endif + +/* GL_AMD_program_binary_Z400 */ +#ifndef GL_AMD_program_binary_Z400 +#define GL_AMD_program_binary_Z400 1 +#endif + +/*------------------------------------------------------------------------* + * ANGLE extension functions + *------------------------------------------------------------------------*/ + +/* GL_ANGLE_framebuffer_blit */ +#ifndef GL_ANGLE_framebuffer_blit +#define GL_ANGLE_framebuffer_blit 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glBlitFramebufferANGLE (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); +#endif +typedef void (GL_APIENTRYP PFNGLBLITFRAMEBUFFERANGLEPROC) (GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter); +#endif + +/* GL_ANGLE_framebuffer_multisample */ +#ifndef GL_ANGLE_framebuffer_multisample +#define GL_ANGLE_framebuffer_multisample 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleANGLE (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +#endif +typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEANGLEPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +#endif + +#ifndef GL_ANGLE_instanced_arrays +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glDrawArraysInstancedANGLE (GLenum mode, GLint first, GLsizei count, GLsizei primcount); +GL_APICALL void GL_APIENTRY glDrawElementsInstancedANGLE (GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei primcount); +GL_APICALL void GL_APIENTRY glVertexAttribDivisorANGLE (GLuint index, GLuint divisor); +#endif +typedef void (GL_APIENTRYP PFLGLDRAWARRAYSINSTANCEDANGLEPROC) (GLenum mode, GLint first, GLsizei count, GLsizei primcount); +typedef void (GL_APIENTRYP PFLGLDRAWELEMENTSINSTANCEDANGLEPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices, GLsizei primcount); +typedef void (GL_APIENTRYP PFLGLVERTEXATTRIBDIVISORANGLEPROC) (GLuint index, GLuint divisor); +#endif + +/* GL_ANGLE_pack_reverse_row_order */ +#ifndef GL_ANGLE_pack_reverse_row_order +#define GL_ANGLE_pack_reverse_row_order 1 +#endif + +/* GL_ANGLE_texture_compression_dxt3 */ +#ifndef GL_ANGLE_texture_compression_dxt3 +#define GL_ANGLE_texture_compression_dxt3 1 +#endif + +/* GL_ANGLE_texture_compression_dxt5 */ +#ifndef GL_ANGLE_texture_compression_dxt5 +#define GL_ANGLE_texture_compression_dxt5 1 +#endif + +/* GL_ANGLE_texture_usage */ +#ifndef GL_ANGLE_texture_usage +#define GL_ANGLE_texture_usage 1 +#endif + +#ifndef GL_ANGLE_translated_shader_source +#define GL_ANGLE_translated_shader_source 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glGetTranslatedShaderSourceANGLE (GLuint shader, GLsizei bufsize, GLsizei *length, GLchar *source); +#endif +typedef void (GL_APIENTRYP PFLGLGETTRANSLATEDSHADERSOURCEANGLEPROC) (GLuint shader, GLsizei bufsize, GLsizei *length, GLchar *source); +#endif + +/*------------------------------------------------------------------------* + * APPLE extension functions + *------------------------------------------------------------------------*/ + +/* GL_APPLE_rgb_422 */ +#ifndef GL_APPLE_rgb_422 +#define GL_APPLE_rgb_422 1 +#endif + +/* GL_APPLE_framebuffer_multisample */ +#ifndef GL_APPLE_framebuffer_multisample +#define GL_APPLE_framebuffer_multisample 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleAPPLE (GLenum, GLsizei, GLenum, GLsizei, GLsizei); +GL_APICALL void GL_APIENTRY glResolveMultisampleFramebufferAPPLE (void); +#endif /* GL_GLEXT_PROTOTYPES */ +typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEAPPLEPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (GL_APIENTRYP PFNGLRESOLVEMULTISAMPLEFRAMEBUFFERAPPLEPROC) (void); +#endif + +/* GL_APPLE_texture_format_BGRA8888 */ +#ifndef GL_APPLE_texture_format_BGRA8888 +#define GL_APPLE_texture_format_BGRA8888 1 +#endif + +/* GL_APPLE_texture_max_level */ +#ifndef GL_APPLE_texture_max_level +#define GL_APPLE_texture_max_level 1 +#endif + +/*------------------------------------------------------------------------* + * ARM extension functions + *------------------------------------------------------------------------*/ + +/* GL_ARM_mali_shader_binary */ +#ifndef GL_ARM_mali_shader_binary +#define GL_ARM_mali_shader_binary 1 +#endif + +/* GL_ARM_rgba8 */ +#ifndef GL_ARM_rgba8 +#define GL_ARM_rgba8 1 +#endif + +/*------------------------------------------------------------------------* + * EXT extension functions + *------------------------------------------------------------------------*/ + +/* GL_EXT_blend_minmax */ +#ifndef GL_EXT_blend_minmax +#define GL_EXT_blend_minmax 1 +#endif + +/* GL_EXT_color_buffer_half_float */ +#ifndef GL_EXT_color_buffer_half_float +#define GL_EXT_color_buffer_half_float 1 +#endif + +/* GL_EXT_debug_label */ +#ifndef GL_EXT_debug_label +#define GL_EXT_debug_label 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glLabelObjectEXT (GLenum type, GLuint object, GLsizei length, const GLchar *label); +GL_APICALL void GL_APIENTRY glGetObjectLabelEXT (GLenum type, GLuint object, GLsizei bufSize, GLsizei *length, GLchar *label); +#endif +typedef void (GL_APIENTRYP PFNGLLABELOBJECTEXTPROC) (GLenum type, GLuint object, GLsizei length, const GLchar *label); +typedef void (GL_APIENTRYP PFNGLGETOBJECTLABELEXTPROC) (GLenum type, GLuint object, GLsizei bufSize, GLsizei *length, GLchar *label); +#endif + +/* GL_EXT_debug_marker */ +#ifndef GL_EXT_debug_marker +#define GL_EXT_debug_marker 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glInsertEventMarkerEXT (GLsizei length, const GLchar *marker); +GL_APICALL void GL_APIENTRY glPushGroupMarkerEXT (GLsizei length, const GLchar *marker); +GL_APICALL void GL_APIENTRY glPopGroupMarkerEXT (void); +#endif +typedef void (GL_APIENTRYP PFNGLINSERTEVENTMARKEREXTPROC) (GLsizei length, const GLchar *marker); +typedef void (GL_APIENTRYP PFNGLPUSHGROUPMARKEREXTPROC) (GLsizei length, const GLchar *marker); +typedef void (GL_APIENTRYP PFNGLPOPGROUPMARKEREXTPROC) (void); +#endif + +/* GL_EXT_discard_framebuffer */ +#ifndef GL_EXT_discard_framebuffer +#define GL_EXT_discard_framebuffer 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glDiscardFramebufferEXT (GLenum target, GLsizei numAttachments, const GLenum *attachments); +#endif +typedef void (GL_APIENTRYP PFNGLDISCARDFRAMEBUFFEREXTPROC) (GLenum target, GLsizei numAttachments, const GLenum *attachments); +#endif + +/* GL_EXT_multisampled_render_to_texture */ +#ifndef GL_EXT_multisampled_render_to_texture +#define GL_EXT_multisampled_render_to_texture 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleEXT (GLenum, GLsizei, GLenum, GLsizei, GLsizei); +GL_APICALL void GL_APIENTRY glFramebufferTexture2DMultisampleEXT (GLenum, GLenum, GLenum, GLuint, GLint, GLsizei); +#endif +typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEEXTPROC) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples); +#endif + +#ifndef GL_EXT_multi_draw_arrays +#define GL_EXT_multi_draw_arrays 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glMultiDrawArraysEXT (GLenum, GLint *, GLsizei *, GLsizei); +GL_APICALL void GL_APIENTRY glMultiDrawElementsEXT (GLenum, const GLsizei *, GLenum, const GLvoid* *, GLsizei); +#endif /* GL_GLEXT_PROTOTYPES */ +typedef void (GL_APIENTRYP PFNGLMULTIDRAWARRAYSEXTPROC) (GLenum mode, GLint *first, GLsizei *count, GLsizei primcount); +typedef void (GL_APIENTRYP PFNGLMULTIDRAWELEMENTSEXTPROC) (GLenum mode, const GLsizei *count, GLenum type, const GLvoid* *indices, GLsizei primcount); +#endif + +/* GL_EXT_occlusion_query_boolean */ +#ifndef GL_EXT_occlusion_query_boolean +#define GL_EXT_occlusion_query_boolean 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glGenQueriesEXT (GLsizei n, GLuint *ids); +GL_APICALL void GL_APIENTRY glDeleteQueriesEXT (GLsizei n, const GLuint *ids); +GL_APICALL GLboolean GL_APIENTRY glIsQueryEXT (GLuint id); +GL_APICALL void GL_APIENTRY glBeginQueryEXT (GLenum target, GLuint id); +GL_APICALL void GL_APIENTRY glEndQueryEXT (GLenum target); +GL_APICALL void GL_APIENTRY glGetQueryivEXT (GLenum target, GLenum pname, GLint *params); +GL_APICALL void GL_APIENTRY glGetQueryObjectuivEXT (GLuint id, GLenum pname, GLuint *params); +#endif +typedef void (GL_APIENTRYP PFNGLGENQUERIESEXTPROC) (GLsizei n, GLuint *ids); +typedef void (GL_APIENTRYP PFNGLDELETEQUERIESEXTPROC) (GLsizei n, const GLuint *ids); +typedef GLboolean (GL_APIENTRYP PFNGLISQUERYEXTPROC) (GLuint id); +typedef void (GL_APIENTRYP PFNGLBEGINQUERYEXTPROC) (GLenum target, GLuint id); +typedef void (GL_APIENTRYP PFNGLENDQUERYEXTPROC) (GLenum target); +typedef void (GL_APIENTRYP PFNGLGETQUERYIVEXTPROC) (GLenum target, GLenum pname, GLint *params); +typedef void (GL_APIENTRYP PFNGLGETQUERYOBJECTUIVEXTPROC) (GLuint id, GLenum pname, GLuint *params); +#endif + +/* GL_EXT_read_format_bgra */ +#ifndef GL_EXT_read_format_bgra +#define GL_EXT_read_format_bgra 1 +#endif + +/* GL_EXT_robustness */ +#ifndef GL_EXT_robustness +#define GL_EXT_robustness 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL GLenum GL_APIENTRY glGetGraphicsResetStatusEXT (void); +GL_APICALL void GL_APIENTRY glReadnPixelsEXT (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei bufSize, void *data); +GL_APICALL void GL_APIENTRY glGetnUniformfvEXT (GLuint program, GLint location, GLsizei bufSize, float *params); +GL_APICALL void GL_APIENTRY glGetnUniformivEXT (GLuint program, GLint location, GLsizei bufSize, GLint *params); +#endif +typedef GLenum (GL_APIENTRYP PFNGLGETGRAPHICSRESETSTATUSEXTPROC) (void); +typedef void (GL_APIENTRYP PFNGLREADNPIXELSEXTPROC) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLsizei bufSize, void *data); +typedef void (GL_APIENTRYP PFNGLGETNUNIFORMFVEXTPROC) (GLuint program, GLint location, GLsizei bufSize, float *params); +typedef void (GL_APIENTRYP PFNGLGETNUNIFORMIVEXTPROC) (GLuint program, GLint location, GLsizei bufSize, GLint *params); +#endif + +/* GL_EXT_separate_shader_objects */ +#ifndef GL_EXT_separate_shader_objects +#define GL_EXT_separate_shader_objects 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glUseProgramStagesEXT (GLuint pipeline, GLbitfield stages, GLuint program); +GL_APICALL void GL_APIENTRY glActiveShaderProgramEXT (GLuint pipeline, GLuint program); +GL_APICALL GLuint GL_APIENTRY glCreateShaderProgramvEXT (GLenum type, GLsizei count, const GLchar **strings); +GL_APICALL void GL_APIENTRY glBindProgramPipelineEXT (GLuint pipeline); +GL_APICALL void GL_APIENTRY glDeleteProgramPipelinesEXT (GLsizei n, const GLuint *pipelines); +GL_APICALL void GL_APIENTRY glGenProgramPipelinesEXT (GLsizei n, GLuint *pipelines); +GL_APICALL GLboolean GL_APIENTRY glIsProgramPipelineEXT (GLuint pipeline); +GL_APICALL void GL_APIENTRY glProgramParameteriEXT (GLuint program, GLenum pname, GLint value); +GL_APICALL void GL_APIENTRY glGetProgramPipelineivEXT (GLuint pipeline, GLenum pname, GLint *params); +GL_APICALL void GL_APIENTRY glProgramUniform1iEXT (GLuint program, GLint location, GLint x); +GL_APICALL void GL_APIENTRY glProgramUniform2iEXT (GLuint program, GLint location, GLint x, GLint y); +GL_APICALL void GL_APIENTRY glProgramUniform3iEXT (GLuint program, GLint location, GLint x, GLint y, GLint z); +GL_APICALL void GL_APIENTRY glProgramUniform4iEXT (GLuint program, GLint location, GLint x, GLint y, GLint z, GLint w); +GL_APICALL void GL_APIENTRY glProgramUniform1fEXT (GLuint program, GLint location, GLfloat x); +GL_APICALL void GL_APIENTRY glProgramUniform2fEXT (GLuint program, GLint location, GLfloat x, GLfloat y); +GL_APICALL void GL_APIENTRY glProgramUniform3fEXT (GLuint program, GLint location, GLfloat x, GLfloat y, GLfloat z); +GL_APICALL void GL_APIENTRY glProgramUniform4fEXT (GLuint program, GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w); +GL_APICALL void GL_APIENTRY glProgramUniform1ivEXT (GLuint program, GLint location, GLsizei count, const GLint *value); +GL_APICALL void GL_APIENTRY glProgramUniform2ivEXT (GLuint program, GLint location, GLsizei count, const GLint *value); +GL_APICALL void GL_APIENTRY glProgramUniform3ivEXT (GLuint program, GLint location, GLsizei count, const GLint *value); +GL_APICALL void GL_APIENTRY glProgramUniform4ivEXT (GLuint program, GLint location, GLsizei count, const GLint *value); +GL_APICALL void GL_APIENTRY glProgramUniform1fvEXT (GLuint program, GLint location, GLsizei count, const GLfloat *value); +GL_APICALL void GL_APIENTRY glProgramUniform2fvEXT (GLuint program, GLint location, GLsizei count, const GLfloat *value); +GL_APICALL void GL_APIENTRY glProgramUniform3fvEXT (GLuint program, GLint location, GLsizei count, const GLfloat *value); +GL_APICALL void GL_APIENTRY glProgramUniform4fvEXT (GLuint program, GLint location, GLsizei count, const GLfloat *value); +GL_APICALL void GL_APIENTRY glProgramUniformMatrix2fvEXT (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GL_APICALL void GL_APIENTRY glProgramUniformMatrix3fvEXT (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GL_APICALL void GL_APIENTRY glProgramUniformMatrix4fvEXT (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +GL_APICALL void GL_APIENTRY glValidateProgramPipelineEXT (GLuint pipeline); +GL_APICALL void GL_APIENTRY glGetProgramPipelineInfoLogEXT (GLuint pipeline, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +#endif +typedef void (GL_APIENTRYP PFNGLUSEPROGRAMSTAGESEXTPROC) (GLuint pipeline, GLbitfield stages, GLuint program); +typedef void (GL_APIENTRYP PFNGLACTIVESHADERPROGRAMEXTPROC) (GLuint pipeline, GLuint program); +typedef GLuint (GL_APIENTRYP PFNGLCREATESHADERPROGRAMVEXTPROC) (GLenum type, GLsizei count, const GLchar **strings); +typedef void (GL_APIENTRYP PFNGLBINDPROGRAMPIPELINEEXTPROC) (GLuint pipeline); +typedef void (GL_APIENTRYP PFNGLDELETEPROGRAMPIPELINESEXTPROC) (GLsizei n, const GLuint *pipelines); +typedef void (GL_APIENTRYP PFNGLGENPROGRAMPIPELINESEXTPROC) (GLsizei n, GLuint *pipelines); +typedef GLboolean (GL_APIENTRYP PFNGLISPROGRAMPIPELINEEXTPROC) (GLuint pipeline); +typedef void (GL_APIENTRYP PFNGLPROGRAMPARAMETERIEXTPROC) (GLuint program, GLenum pname, GLint value); +typedef void (GL_APIENTRYP PFNGLGETPROGRAMPIPELINEIVEXTPROC) (GLuint pipeline, GLenum pname, GLint *params); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM1IEXTPROC) (GLuint program, GLint location, GLint x); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM2IEXTPROC) (GLuint program, GLint location, GLint x, GLint y); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM3IEXTPROC) (GLuint program, GLint location, GLint x, GLint y, GLint z); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM4IEXTPROC) (GLuint program, GLint location, GLint x, GLint y, GLint z, GLint w); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM1FEXTPROC) (GLuint program, GLint location, GLfloat x); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM2FEXTPROC) (GLuint program, GLint location, GLfloat x, GLfloat y); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM3FEXTPROC) (GLuint program, GLint location, GLfloat x, GLfloat y, GLfloat z); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM4FEXTPROC) (GLuint program, GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM1IVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLint *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM2IVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLint *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM3IVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLint *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM4IVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLint *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM1FVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM2FVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM3FVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORM4FVEXTPROC) (GLuint program, GLint location, GLsizei count, const GLfloat *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORMMATRIX2FVEXTPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORMMATRIX3FVEXTPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (GL_APIENTRYP PFNGLPROGRAMUNIFORMMATRIX4FVEXTPROC) (GLuint program, GLint location, GLsizei count, GLboolean transpose, const GLfloat *value); +typedef void (GL_APIENTRYP PFNGLVALIDATEPROGRAMPIPELINEEXTPROC) (GLuint pipeline); +typedef void (GL_APIENTRYP PFNGLGETPROGRAMPIPELINEINFOLOGEXTPROC) (GLuint pipeline, GLsizei bufSize, GLsizei *length, GLchar *infoLog); +#endif + +/* GL_EXT_shader_texture_lod */ +#ifndef GL_EXT_shader_texture_lod +#define GL_EXT_shader_texture_lod 1 +#endif + +/* GL_EXT_shadow_samplers */ +#ifndef GL_EXT_shadow_samplers +#define GL_EXT_shadow_samplers 1 +#endif + +/* GL_EXT_sRGB */ +#ifndef GL_EXT_sRGB +#define GL_EXT_sRGB 1 +#endif + +/* GL_EXT_texture_compression_dxt1 */ +#ifndef GL_EXT_texture_compression_dxt1 +#define GL_EXT_texture_compression_dxt1 1 +#endif + +/* GL_EXT_texture_filter_anisotropic */ +#ifndef GL_EXT_texture_filter_anisotropic +#define GL_EXT_texture_filter_anisotropic 1 +#endif + +/* GL_EXT_texture_format_BGRA8888 */ +#ifndef GL_EXT_texture_format_BGRA8888 +#define GL_EXT_texture_format_BGRA8888 1 +#endif + +/* GL_EXT_texture_rg */ +#ifndef GL_EXT_texture_rg +#define GL_EXT_texture_rg 1 +#endif + +/* GL_EXT_texture_storage */ +#ifndef GL_EXT_texture_storage +#define GL_EXT_texture_storage 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glTexStorage1DEXT (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width); +GL_APICALL void GL_APIENTRY glTexStorage2DEXT (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +GL_APICALL void GL_APIENTRY glTexStorage3DEXT (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +GL_APICALL void GL_APIENTRY glTextureStorage1DEXT (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width); +GL_APICALL void GL_APIENTRY glTextureStorage2DEXT (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +GL_APICALL void GL_APIENTRY glTextureStorage3DEXT (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +#endif +typedef void (GL_APIENTRYP PFNGLTEXSTORAGE1DEXTPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width); +typedef void (GL_APIENTRYP PFNGLTEXSTORAGE2DEXTPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (GL_APIENTRYP PFNGLTEXSTORAGE3DEXTPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +typedef void (GL_APIENTRYP PFNGLTEXTURESTORAGE1DEXTPROC) (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width); +typedef void (GL_APIENTRYP PFNGLTEXTURESTORAGE2DEXTPROC) (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (GL_APIENTRYP PFNGLTEXTURESTORAGE3DEXTPROC) (GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth); +#endif + +/* GL_EXT_texture_type_2_10_10_10_REV */ +#ifndef GL_EXT_texture_type_2_10_10_10_REV +#define GL_EXT_texture_type_2_10_10_10_REV 1 +#endif + +/* GL_EXT_unpack_subimage */ +#ifndef GL_EXT_unpack_subimage +#define GL_EXT_unpack_subimage 1 +#endif + +/*------------------------------------------------------------------------* + * DMP extension functions + *------------------------------------------------------------------------*/ + +/* GL_DMP_shader_binary */ +#ifndef GL_DMP_shader_binary +#define GL_DMP_shader_binary 1 +#endif + +/*------------------------------------------------------------------------* + * IMG extension functions + *------------------------------------------------------------------------*/ + +/* GL_IMG_program_binary */ +#ifndef GL_IMG_program_binary +#define GL_IMG_program_binary 1 +#endif + +/* GL_IMG_read_format */ +#ifndef GL_IMG_read_format +#define GL_IMG_read_format 1 +#endif + +/* GL_IMG_shader_binary */ +#ifndef GL_IMG_shader_binary +#define GL_IMG_shader_binary 1 +#endif + +/* GL_IMG_texture_compression_pvrtc */ +#ifndef GL_IMG_texture_compression_pvrtc +#define GL_IMG_texture_compression_pvrtc 1 +#endif + +/* GL_IMG_multisampled_render_to_texture */ +#ifndef GL_IMG_multisampled_render_to_texture +#define GL_IMG_multisampled_render_to_texture 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glRenderbufferStorageMultisampleIMG (GLenum, GLsizei, GLenum, GLsizei, GLsizei); +GL_APICALL void GL_APIENTRY glFramebufferTexture2DMultisampleIMG (GLenum, GLenum, GLenum, GLuint, GLint, GLsizei); +#endif +typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEIMG) (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DMULTISAMPLEIMG) (GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLsizei samples); +#endif + +/*------------------------------------------------------------------------* + * NV extension functions + *------------------------------------------------------------------------*/ + +/* GL_NV_coverage_sample */ +#ifndef GL_NV_coverage_sample +#define GL_NV_coverage_sample 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glCoverageMaskNV (GLboolean mask); +GL_APICALL void GL_APIENTRY glCoverageOperationNV (GLenum operation); +#endif +typedef void (GL_APIENTRYP PFNGLCOVERAGEMASKNVPROC) (GLboolean mask); +typedef void (GL_APIENTRYP PFNGLCOVERAGEOPERATIONNVPROC) (GLenum operation); +#endif + +/* GL_NV_depth_nonlinear */ +#ifndef GL_NV_depth_nonlinear +#define GL_NV_depth_nonlinear 1 +#endif + +/* GL_NV_draw_buffers */ +#ifndef GL_NV_draw_buffers +#define GL_NV_draw_buffers 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glDrawBuffersNV (GLsizei n, const GLenum *bufs); +#endif +typedef void (GL_APIENTRYP PFNGLDRAWBUFFERSNVPROC) (GLsizei n, const GLenum *bufs); +#endif + +/* GL_NV_fbo_color_attachments */ +#ifndef GL_NV_fbo_color_attachments +#define GL_NV_fbo_color_attachments 1 +#endif + +/* GL_NV_fence */ +#ifndef GL_NV_fence +#define GL_NV_fence 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glDeleteFencesNV (GLsizei, const GLuint *); +GL_APICALL void GL_APIENTRY glGenFencesNV (GLsizei, GLuint *); +GL_APICALL GLboolean GL_APIENTRY glIsFenceNV (GLuint); +GL_APICALL GLboolean GL_APIENTRY glTestFenceNV (GLuint); +GL_APICALL void GL_APIENTRY glGetFenceivNV (GLuint, GLenum, GLint *); +GL_APICALL void GL_APIENTRY glFinishFenceNV (GLuint); +GL_APICALL void GL_APIENTRY glSetFenceNV (GLuint, GLenum); +#endif +typedef void (GL_APIENTRYP PFNGLDELETEFENCESNVPROC) (GLsizei n, const GLuint *fences); +typedef void (GL_APIENTRYP PFNGLGENFENCESNVPROC) (GLsizei n, GLuint *fences); +typedef GLboolean (GL_APIENTRYP PFNGLISFENCENVPROC) (GLuint fence); +typedef GLboolean (GL_APIENTRYP PFNGLTESTFENCENVPROC) (GLuint fence); +typedef void (GL_APIENTRYP PFNGLGETFENCEIVNVPROC) (GLuint fence, GLenum pname, GLint *params); +typedef void (GL_APIENTRYP PFNGLFINISHFENCENVPROC) (GLuint fence); +typedef void (GL_APIENTRYP PFNGLSETFENCENVPROC) (GLuint fence, GLenum condition); +#endif + +/* GL_NV_read_buffer */ +#ifndef GL_NV_read_buffer +#define GL_NV_read_buffer 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glReadBufferNV (GLenum mode); +#endif +typedef void (GL_APIENTRYP PFNGLREADBUFFERNVPROC) (GLenum mode); +#endif + +/* GL_NV_read_buffer_front */ +#ifndef GL_NV_read_buffer_front +#define GL_NV_read_buffer_front 1 +#endif + +/* GL_NV_read_depth */ +#ifndef GL_NV_read_depth +#define GL_NV_read_depth 1 +#endif + +/* GL_NV_read_depth_stencil */ +#ifndef GL_NV_read_depth_stencil +#define GL_NV_read_depth_stencil 1 +#endif + +/* GL_NV_read_stencil */ +#ifndef GL_NV_read_stencil +#define GL_NV_read_stencil 1 +#endif + +/* GL_NV_texture_compression_s3tc_update */ +#ifndef GL_NV_texture_compression_s3tc_update +#define GL_NV_texture_compression_s3tc_update 1 +#endif + +/* GL_NV_texture_npot_2D_mipmap */ +#ifndef GL_NV_texture_npot_2D_mipmap +#define GL_NV_texture_npot_2D_mipmap 1 +#endif + +/*------------------------------------------------------------------------* + * QCOM extension functions + *------------------------------------------------------------------------*/ + +/* GL_QCOM_alpha_test */ +#ifndef GL_QCOM_alpha_test +#define GL_QCOM_alpha_test 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glAlphaFuncQCOM (GLenum func, GLclampf ref); +#endif +typedef void (GL_APIENTRYP PFNGLALPHAFUNCQCOMPROC) (GLenum func, GLclampf ref); +#endif + +/* GL_QCOM_driver_control */ +#ifndef GL_QCOM_driver_control +#define GL_QCOM_driver_control 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glGetDriverControlsQCOM (GLint *num, GLsizei size, GLuint *driverControls); +GL_APICALL void GL_APIENTRY glGetDriverControlStringQCOM (GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString); +GL_APICALL void GL_APIENTRY glEnableDriverControlQCOM (GLuint driverControl); +GL_APICALL void GL_APIENTRY glDisableDriverControlQCOM (GLuint driverControl); +#endif +typedef void (GL_APIENTRYP PFNGLGETDRIVERCONTROLSQCOMPROC) (GLint *num, GLsizei size, GLuint *driverControls); +typedef void (GL_APIENTRYP PFNGLGETDRIVERCONTROLSTRINGQCOMPROC) (GLuint driverControl, GLsizei bufSize, GLsizei *length, GLchar *driverControlString); +typedef void (GL_APIENTRYP PFNGLENABLEDRIVERCONTROLQCOMPROC) (GLuint driverControl); +typedef void (GL_APIENTRYP PFNGLDISABLEDRIVERCONTROLQCOMPROC) (GLuint driverControl); +#endif + +/* GL_QCOM_extended_get */ +#ifndef GL_QCOM_extended_get +#define GL_QCOM_extended_get 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glExtGetTexturesQCOM (GLuint *textures, GLint maxTextures, GLint *numTextures); +GL_APICALL void GL_APIENTRY glExtGetBuffersQCOM (GLuint *buffers, GLint maxBuffers, GLint *numBuffers); +GL_APICALL void GL_APIENTRY glExtGetRenderbuffersQCOM (GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers); +GL_APICALL void GL_APIENTRY glExtGetFramebuffersQCOM (GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers); +GL_APICALL void GL_APIENTRY glExtGetTexLevelParameterivQCOM (GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params); +GL_APICALL void GL_APIENTRY glExtTexObjectStateOverrideiQCOM (GLenum target, GLenum pname, GLint param); +GL_APICALL void GL_APIENTRY glExtGetTexSubImageQCOM (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels); +GL_APICALL void GL_APIENTRY glExtGetBufferPointervQCOM (GLenum target, GLvoid **params); +#endif +typedef void (GL_APIENTRYP PFNGLEXTGETTEXTURESQCOMPROC) (GLuint *textures, GLint maxTextures, GLint *numTextures); +typedef void (GL_APIENTRYP PFNGLEXTGETBUFFERSQCOMPROC) (GLuint *buffers, GLint maxBuffers, GLint *numBuffers); +typedef void (GL_APIENTRYP PFNGLEXTGETRENDERBUFFERSQCOMPROC) (GLuint *renderbuffers, GLint maxRenderbuffers, GLint *numRenderbuffers); +typedef void (GL_APIENTRYP PFNGLEXTGETFRAMEBUFFERSQCOMPROC) (GLuint *framebuffers, GLint maxFramebuffers, GLint *numFramebuffers); +typedef void (GL_APIENTRYP PFNGLEXTGETTEXLEVELPARAMETERIVQCOMPROC) (GLuint texture, GLenum face, GLint level, GLenum pname, GLint *params); +typedef void (GL_APIENTRYP PFNGLEXTTEXOBJECTSTATEOVERRIDEIQCOMPROC) (GLenum target, GLenum pname, GLint param); +typedef void (GL_APIENTRYP PFNGLEXTGETTEXSUBIMAGEQCOMPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, GLvoid *texels); +typedef void (GL_APIENTRYP PFNGLEXTGETBUFFERPOINTERVQCOMPROC) (GLenum target, GLvoid **params); +#endif + +/* GL_QCOM_extended_get2 */ +#ifndef GL_QCOM_extended_get2 +#define GL_QCOM_extended_get2 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glExtGetShadersQCOM (GLuint *shaders, GLint maxShaders, GLint *numShaders); +GL_APICALL void GL_APIENTRY glExtGetProgramsQCOM (GLuint *programs, GLint maxPrograms, GLint *numPrograms); +GL_APICALL GLboolean GL_APIENTRY glExtIsProgramBinaryQCOM (GLuint program); +GL_APICALL void GL_APIENTRY glExtGetProgramBinarySourceQCOM (GLuint program, GLenum shadertype, GLchar *source, GLint *length); +#endif +typedef void (GL_APIENTRYP PFNGLEXTGETSHADERSQCOMPROC) (GLuint *shaders, GLint maxShaders, GLint *numShaders); +typedef void (GL_APIENTRYP PFNGLEXTGETPROGRAMSQCOMPROC) (GLuint *programs, GLint maxPrograms, GLint *numPrograms); +typedef GLboolean (GL_APIENTRYP PFNGLEXTISPROGRAMBINARYQCOMPROC) (GLuint program); +typedef void (GL_APIENTRYP PFNGLEXTGETPROGRAMBINARYSOURCEQCOMPROC) (GLuint program, GLenum shadertype, GLchar *source, GLint *length); +#endif + +/* GL_QCOM_perfmon_global_mode */ +#ifndef GL_QCOM_perfmon_global_mode +#define GL_QCOM_perfmon_global_mode 1 +#endif + +/* GL_QCOM_writeonly_rendering */ +#ifndef GL_QCOM_writeonly_rendering +#define GL_QCOM_writeonly_rendering 1 +#endif + +/* GL_QCOM_tiled_rendering */ +#ifndef GL_QCOM_tiled_rendering +#define GL_QCOM_tiled_rendering 1 +#ifdef GL_GLEXT_PROTOTYPES +GL_APICALL void GL_APIENTRY glStartTilingQCOM (GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask); +GL_APICALL void GL_APIENTRY glEndTilingQCOM (GLbitfield preserveMask); +#endif +typedef void (GL_APIENTRYP PFNGLSTARTTILINGQCOMPROC) (GLuint x, GLuint y, GLuint width, GLuint height, GLbitfield preserveMask); +typedef void (GL_APIENTRYP PFNGLENDTILINGQCOMPROC) (GLbitfield preserveMask); +#endif + +/*------------------------------------------------------------------------* + * VIV extension tokens + *------------------------------------------------------------------------*/ + +/* GL_VIV_shader_binary */ +#ifndef GL_VIV_shader_binary +#define GL_VIV_shader_binary 1 +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* __gl2ext_h_ */ diff --git a/cogl-gles2/GLES2/gl2platform.h b/cogl-gles2/GLES2/gl2platform.h new file mode 100644 index 0000000..8bc44b0 --- /dev/null +++ b/cogl-gles2/GLES2/gl2platform.h @@ -0,0 +1,28 @@ +#ifndef __gl2platform_h_ +#define __gl2platform_h_ + +/* $Revision: 10602 $ on $Date:: 2010-03-04 22:35:34 -0800 #$ */ + +/* + * This document is licensed under the SGI Free Software B License Version + * 2.0. For details, see http://oss.sgi.com/projects/FreeB/ . + */ + +/* Platform-specific types and definitions for OpenGL ES 2.X gl2.h + * + * Adopters may modify khrplatform.h and this file to suit their platform. + * You are encouraged to submit all modifications to the Khronos group so that + * they can be included in future versions of this file. Please submit changes + * by sending them to the public Khronos Bugzilla (http://khronos.org/bugzilla) + * by filing a bug against product "OpenGL-ES" component "Registry". + */ + +#ifndef GL_APICALL +#define GL_APICALL +#endif + +#ifndef GL_APIENTRY +#define GL_APIENTRY +#endif + +#endif /* __gl2platform_h_ */ diff --git a/cogl-gles2/Makefile.am b/cogl-gles2/Makefile.am new file mode 100644 index 0000000..72ec1ea --- /dev/null +++ b/cogl-gles2/Makefile.am @@ -0,0 +1,36 @@ +include $(top_srcdir)/build/autotools/Makefile.am.silent + +# preamble + +NULL = + +lib_LTLIBRARIES = libcogl-gles2.la + +AM_CPPFLAGS = \ + -I$(top_srcdir) \ + -I$(top_builddir) + +if !USE_GLIB +AM_CPPFLAGS += -I$(top_builddir)/deps/glib +endif + +AM_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS) $(MAINTAINER_CFLAGS) + +libcogl_gles2_la_SOURCES = cogl-gles2-api.c +libcogl_gles2_la_LDFLAGS = \ + -no-undefined \ + -version-info @COGL_LT_CURRENT@:@COGL_LT_REVISION@:@COGL_LT_AGE@ \ + -export-dynamic \ + -export-symbols-regex "^gl*" + +coglgles2includedir = $(includedir)/cogl/cogl-gles2/GLES2 +coglgles2include_HEADERS = \ + GLES2/gl2.h \ + GLES2/gl2ext.h \ + GLES2/gl2platform.h + +pc_files = cogl-gles2-1.0.pc \ + cogl-gles2-2.0-experimental.pc + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = $(pc_files) diff --git a/cogl-gles2/Makefile.in b/cogl-gles2/Makefile.in new file mode 100644 index 0000000..4090b7c --- /dev/null +++ b/cogl-gles2/Makefile.in @@ -0,0 +1,875 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: install-coglgles2includeHEADERS install-pkgconfigDATA + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: install-libLTLIBRARIES + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-coglgles2includeHEADERS \ + uninstall-libLTLIBRARIES uninstall-pkgconfigDATA + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \ + clean-libLTLIBRARIES clean-libtool cscopelist-am ctags \ + ctags-am distclean distclean-compile distclean-generic \ + distclean-libtool distclean-tags distdir dvi dvi-am html \ + html-am info info-am install install-am \ + install-coglgles2includeHEADERS install-data install-data-am \ + install-dvi install-dvi-am install-exec install-exec-am \ + install-html install-html-am install-info install-info-am \ + install-libLTLIBRARIES install-man install-pdf install-pdf-am \ + install-pkgconfigDATA install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am \ + uninstall-coglgles2includeHEADERS uninstall-libLTLIBRARIES \ + uninstall-pkgconfigDATA + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/cogl-gles2/cogl-gles2-1.0.pc.in b/cogl-gles2/cogl-gles2-1.0.pc.in new file mode 100644 index 0000000..698d05c --- /dev/null +++ b/cogl-gles2/cogl-gles2-1.0.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=1.0 +requires=@COGL_PKG_REQUIRES@ cogl-1.0 + +Name: Cogl +Description: An object oriented GL/GLES Abstraction/Utility Layer +Version: @COGL_1_VERSION@ +Libs: -L${libdir} -lcogl-gles2 +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl-gles2/cogl-gles2-2.0-experimental.pc.in b/cogl-gles2/cogl-gles2-2.0-experimental.pc.in new file mode 100644 index 0000000..41199e9 --- /dev/null +++ b/cogl-gles2/cogl-gles2-2.0-experimental.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=@COGL_API_VERSION@ +requires=cogl-2.0-experimental + +Name: CoglGLES2 +Description: Cogl OpenGL ES 2.0 frontend api +Version: @COGL_VERSION@ +Libs: -L${libdir} -lcogl-gles2 +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl-gles2/cogl-gles2-api.c b/cogl-gles2/cogl-gles2-api.c new file mode 100644 index 0000000..22ab2b7 --- /dev/null +++ b/cogl-gles2/cogl-gles2-api.c @@ -0,0 +1,1048 @@ + +#include + +#include + +void +glBindTexture (GLenum target, GLuint texture) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBindTexture (target, texture); +} + +void +glBlendFunc (GLenum sfactor, GLenum dfactor) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBlendFunc (sfactor, dfactor); +} + +void +glClear (GLbitfield mask) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glClear (mask); +} + +void +glClearColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glClearColor (red, green, blue, alpha); +} + +void +glClearStencil (GLint s) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glClearStencil (s); +} + +void +glColorMask (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glColorMask (red, green, blue, alpha); +} + +void +glCopyTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, + GLint x, GLint y, GLsizei width, GLsizei height) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glCopyTexSubImage2D (target, level, xoffset, yoffset, x, y, width, + height); +} + +void +glDeleteTextures (GLsizei n, const GLuint * textures) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDeleteTextures (n, textures); +} + +void +glDepthFunc (GLenum func) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDepthFunc (func); +} + +void +glDepthMask (GLboolean flag) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDepthMask (flag); +} + +void +glDisable (GLenum cap) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDisable (cap); +} + +void +glDrawArrays (GLenum mode, GLint first, GLsizei count) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDrawArrays (mode, first, count); +} + +void +glDrawElements (GLenum mode, GLsizei count, GLenum type, + const GLvoid * indices) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDrawElements (mode, count, type, indices); +} + +void +glEnable (GLenum cap) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glEnable (cap); +} + +void +glFinish (void) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glFinish (); +} + +void +glFlush (void) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glFlush (); +} + +void +glFrontFace (GLenum mode) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glFrontFace (mode); +} + +void +glCullFace (GLenum mode) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glCullFace (mode); +} + +void +glGenTextures (GLsizei n, GLuint * textures) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGenTextures (n, textures); +} + +GLenum +glGetError (void) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glGetError (); +} + +void +glGetIntegerv (GLenum pname, GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetIntegerv (pname, params); +} + +void +glGetBooleanv (GLenum pname, GLboolean * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetBooleanv (pname, params); +} + +void +glGetFloatv (GLenum pname, GLfloat * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetFloatv (pname, params); +} + +const GLubyte * +glGetString (GLenum name) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glGetString (name); +} + +void +glHint (GLenum target, GLenum mode) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glHint (target, mode); +} + +GLboolean +glIsTexture (GLuint texture) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glIsTexture (texture); +} + +void +glPixelStorei (GLenum pname, GLint param) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glPixelStorei (pname, param); +} + +void +glReadPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, + GLenum type, GLvoid * pixels) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glReadPixels (x, y, width, height, format, type, pixels); +} + +void +glScissor (GLint x, GLint y, GLsizei width, GLsizei height) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glScissor (x, y, width, height); +} + +void +glStencilFunc (GLenum func, GLint ref, GLuint mask) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glStencilFunc (func, ref, mask); +} + +void +glStencilMask (GLuint mask) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glStencilMask (mask); +} + +void +glStencilOp (GLenum fail, GLenum zfail, GLenum zpass) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glStencilOp (fail, zfail, zpass); +} + +void +glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, + GLsizei height, GLint border, GLenum format, GLenum type, + const GLvoid * pixels) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glTexImage2D (target, level, internalformat, width, height, border, + format, type, pixels); +} + +void +glTexParameterf (GLenum target, GLenum pname, GLfloat param) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glTexParameterf (target, pname, param); +} + +void +glTexParameterfv (GLenum target, GLenum pname, const GLfloat * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glTexParameterfv (target, pname, params); +} + +void +glTexParameteri (GLenum target, GLenum pname, GLint param) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glTexParameteri (target, pname, param); +} + +void +glTexParameteriv (GLenum target, GLenum pname, const GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glTexParameteriv (target, pname, params); +} + +void +glGetTexParameterfv (GLenum target, GLenum pname, GLfloat * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetTexParameterfv (target, pname, params); +} + +void +glGetTexParameteriv (GLenum target, GLenum pname, GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetTexParameteriv (target, pname, params); +} + +void +glTexSubImage2D (GLenum target, GLint level, GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, GLenum format, GLenum type, + const GLvoid * pixels) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glTexSubImage2D (target, level, xoffset, yoffset, width, height, + format, type, pixels); +} + +void +glCopyTexImage2D (GLenum target, GLint level, GLenum internalformat, GLint x, + GLint y, GLsizei width, GLsizei height, GLint border) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glCopyTexImage2D (target, level, internalformat, + x, y, width, height, border); +} + +void +glViewport (GLint x, GLint y, GLsizei width, GLsizei height) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glViewport (x, y, width, height); +} + +GLboolean +glIsEnabled (GLenum cap) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glIsEnabled (cap); +} + +void +glLineWidth (GLfloat width) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glLineWidth (width); +} + +void +glPolygonOffset (GLfloat factor, GLfloat units) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glPolygonOffset (factor, units); +} + +void +glDepthRangef (GLfloat near_val, GLfloat far_val) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDepthRangef (near_val, far_val); +} + +void +glClearDepthf (GLclampf depth) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glClearDepthf (depth); +} + +void +glCompressedTexImage2D (GLenum target, GLint level, GLenum internalformat, + GLsizei width, GLsizei height, GLint border, + GLsizei imageSize, const GLvoid * data) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glCompressedTexImage2D (target, level, internalformat, width, + height, border, imageSize, data); +} + +void +glCompressedTexSubImage2D (GLenum target, GLint level, GLint xoffset, + GLint yoffset, GLsizei width, GLsizei height, + GLenum format, GLsizei imageSize, + const GLvoid * data) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glCompressedTexSubImage2D (target, level, + xoffset, yoffset, width, height, + format, imageSize, data); +} + +void +glSampleCoverage (GLclampf value, GLboolean invert) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glSampleCoverage (value, invert); +} + +void +glGetBufferParameteriv (GLenum target, GLenum pname, GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetBufferParameteriv (target, pname, params); +} + +void +glGenBuffers (GLsizei n, GLuint * buffers) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGenBuffers (n, buffers); +} + +void +glBindBuffer (GLenum target, GLuint buffer) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBindBuffer (target, buffer); +} + +void +glBufferData (GLenum target, GLsizeiptr size, const GLvoid * data, + GLenum usage) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBufferData (target, size, data, usage); +} + +void +glBufferSubData (GLenum target, GLintptr offset, GLsizeiptr size, + const GLvoid * data) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBufferSubData (target, offset, size, data); +} + +void +glDeleteBuffers (GLsizei n, const GLuint * buffers) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDeleteBuffers (n, buffers); +} + +GLboolean +glIsBuffer (GLuint buffer) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glIsBuffer (buffer); +} + +void +glActiveTexture (GLenum texture) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glActiveTexture (texture); +} + +void +glGenRenderbuffers (GLsizei n, GLuint * renderbuffers) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGenRenderbuffers (n, renderbuffers); +} + +void +glDeleteRenderbuffers (GLsizei n, const GLuint * renderbuffers) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDeleteRenderbuffers (n, renderbuffers); +} + +void +glBindRenderbuffer (GLenum target, GLuint renderbuffer) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBindRenderbuffer (target, renderbuffer); +} + +void +glRenderbufferStorage (GLenum target, GLenum internalformat, GLsizei width, + GLsizei height) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glRenderbufferStorage (target, internalformat, width, height); +} + +void +glGenFramebuffers (GLsizei n, GLuint * framebuffers) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGenFramebuffers (n, framebuffers); +} + +void +glBindFramebuffer (GLenum target, GLuint framebuffer) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBindFramebuffer (target, framebuffer); +} + +void +glFramebufferTexture2D (GLenum target, GLenum attachment, GLenum textarget, + GLuint texture, GLint level) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glFramebufferTexture2D (target, attachment, + textarget, texture, level); +} + +void +glFramebufferRenderbuffer (GLenum target, GLenum attachment, + GLenum renderbuffertarget, GLuint renderbuffer) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glFramebufferRenderbuffer (target, attachment, + renderbuffertarget, renderbuffer); +} + +GLboolean +glIsRenderbuffer (GLuint renderbuffer) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glIsRenderbuffer (renderbuffer); +} + +GLenum +glCheckFramebufferStatus (GLenum target) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glCheckFramebufferStatus (target); +} + +void +glDeleteFramebuffers (GLsizei n, const GLuint * framebuffers) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDeleteFramebuffers (n, framebuffers); +} + +void +glGenerateMipmap (GLenum target) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGenerateMipmap (target); +} + +void +glGetFramebufferAttachmentParameteriv (GLenum target, GLenum attachment, + GLenum pname, GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetFramebufferAttachmentParameteriv (target, + attachment, pname, params); +} + +void +glGetRenderbufferParameteriv (GLenum target, GLenum pname, GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetRenderbufferParameteriv (target, pname, params); +} + +GLboolean +glIsFramebuffer (GLuint framebuffer) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glIsFramebuffer (framebuffer); +} + +void +glBlendEquation (GLenum mode) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBlendEquation (mode); +} + +void +glBlendColor (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBlendColor (red, green, blue, alpha); +} + +void +glBlendFuncSeparate (GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, + GLenum dstAlpha) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBlendFuncSeparate (srcRGB, dstRGB, srcAlpha, dstAlpha); +} + +void +glBlendEquationSeparate (GLenum modeRGB, GLenum modeAlpha) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBlendEquationSeparate (modeRGB, modeAlpha); +} + +void +glReleaseShaderCompiler (void) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glReleaseShaderCompiler (); +} + +void +glGetShaderPrecisionFormat (GLenum shadertype, GLenum precisiontype, + GLint * range, GLint * precision) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetShaderPrecisionFormat (shadertype, precisiontype, + range, precision); +} + +void +glShaderBinary (GLsizei n, const GLuint * shaders, GLenum binaryformat, + const GLvoid * binary, GLsizei length) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glShaderBinary (n, shaders, binaryformat, binary, length); +} + +void +glStencilFuncSeparate (GLenum face, GLenum func, GLint ref, GLuint mask) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glStencilFuncSeparate (face, func, ref, mask); +} + +void +glStencilMaskSeparate (GLenum face, GLuint mask) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glStencilMaskSeparate (face, mask); +} + +void +glStencilOpSeparate (GLenum face, GLenum fail, GLenum zfail, GLenum zpass) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glStencilOpSeparate (face, fail, zfail, zpass); +} + +GLuint +glCreateProgram (void) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glCreateProgram (); +} + +GLuint +glCreateShader (GLenum shaderType) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glCreateShader (shaderType); +} + +void +glShaderSource (GLuint shader, GLsizei count, + const GLchar * const *string, const GLint * length) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glShaderSource (shader, count, string, length); +} + +void +glCompileShader (GLuint shader) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glCompileShader (shader); +} + +void +glDeleteShader (GLuint shader) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDeleteShader (shader); +} + +void +glAttachShader (GLuint program, GLuint shader) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glAttachShader (program, shader); +} + +void +glLinkProgram (GLuint program) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glLinkProgram (program); +} + +void +glUseProgram (GLuint program) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUseProgram (program); +} + +GLint +glGetUniformLocation (GLuint program, const char *name) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glGetUniformLocation (program, name); +} + +void +glDeleteProgram (GLuint program) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDeleteProgram (program); +} + +void +glGetShaderInfoLog (GLuint shader, GLsizei maxLength, GLsizei * length, + char *infoLog) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetShaderInfoLog (shader, maxLength, length, infoLog); +} + +void +glGetShaderiv (GLuint shader, GLenum pname, GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetShaderiv (shader, pname, params); +} + +void +glVertexAttribPointer (GLuint index, GLint size, GLenum type, + GLboolean normalized, GLsizei stride, + const GLvoid * pointer) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glVertexAttribPointer (index, size, type, normalized, stride, + pointer); +} + +void +glEnableVertexAttribArray (GLuint index) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glEnableVertexAttribArray (index); +} + +void +glDisableVertexAttribArray (GLuint index) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDisableVertexAttribArray (index); +} + +void +glUniform1f (GLint location, GLfloat v0) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform1f (location, v0); +} + +void +glUniform2f (GLint location, GLfloat v0, GLfloat v1) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform2f (location, v0, v1); +} + +void +glUniform3f (GLint location, GLfloat v0, GLfloat v1, GLfloat v2) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform3f (location, v0, v1, v2); +} + +void +glUniform4f (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform4f (location, v0, v1, v2, v3); +} + +void +glUniform1fv (GLint location, GLsizei count, const GLfloat * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform1fv (location, count, value); +} + +void +glUniform2fv (GLint location, GLsizei count, const GLfloat * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform2fv (location, count, value); +} + +void +glUniform3fv (GLint location, GLsizei count, const GLfloat * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform3fv (location, count, value); +} + +void +glUniform4fv (GLint location, GLsizei count, const GLfloat * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform4fv (location, count, value); +} + +void +glUniform1i (GLint location, GLint v0) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform1i (location, v0); +} + +void +glUniform2i (GLint location, GLint v0, GLint v1) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform2i (location, v0, v1); +} + +void +glUniform3i (GLint location, GLint v0, GLint v1, GLint v2) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform3i (location, v0, v1, v2); +} + +void +glUniform4i (GLint location, GLint v0, GLint v1, GLint v2, GLint v3) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform4i (location, v0, v1, v2, v3); +} + +void +glUniform1iv (GLint location, GLsizei count, const GLint * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform1iv (location, count, value); +} + +void +glUniform2iv (GLint location, GLsizei count, const GLint * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform2iv (location, count, value); +} + +void +glUniform3iv (GLint location, GLsizei count, const GLint * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform3iv (location, count, value); +} + +void +glUniform4iv (GLint location, GLsizei count, const GLint * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniform4iv (location, count, value); +} + +void +glUniformMatrix2fv (GLint location, GLsizei count, GLboolean transpose, + const GLfloat * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniformMatrix2fv (location, count, transpose, value); +} + +void +glUniformMatrix3fv (GLint location, GLsizei count, GLboolean transpose, + const GLfloat * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniformMatrix3fv (location, count, transpose, value); +} + +void +glUniformMatrix4fv (GLint location, GLsizei count, GLboolean transpose, + const GLfloat * value) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glUniformMatrix4fv (location, count, transpose, value); +} + +void +glGetUniformfv (GLuint program, GLint location, GLfloat * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetUniformfv (program, location, params); +} + +void +glGetUniformiv (GLuint program, GLint location, GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetUniformiv (program, location, params); +} + +void +glGetProgramiv (GLuint program, GLenum pname, GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetProgramiv (program, pname, params); +} + +void +glGetProgramInfoLog (GLuint program, GLsizei bufSize, GLsizei * length, + char *infoLog) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetProgramInfoLog (program, bufSize, length, infoLog); +} + +void +glVertexAttrib1f (GLuint indx, GLfloat x) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glVertexAttrib1f (indx, x); +} + +void +glVertexAttrib1fv (GLuint indx, const GLfloat * values) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glVertexAttrib1fv (indx, values); +} + +void +glVertexAttrib2f (GLuint indx, GLfloat x, GLfloat y) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glVertexAttrib2f (indx, x, y); +} + +void +glVertexAttrib2fv (GLuint indx, const GLfloat * values) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glVertexAttrib2fv (indx, values); +} + +void +glVertexAttrib3f (GLuint indx, GLfloat x, GLfloat y, GLfloat z) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glVertexAttrib3f (indx, x, y, z); +} + +void +glVertexAttrib3fv (GLuint indx, const GLfloat * values) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glVertexAttrib3fv (indx, values); +} + +void +glVertexAttrib4f (GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glVertexAttrib4f (index, x, y, z, w); +} + +void +glVertexAttrib4fv (GLuint indx, const GLfloat * values) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glVertexAttrib4fv (indx, values); +} + +void +glGetVertexAttribfv (GLuint index, GLenum pname, GLfloat * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetVertexAttribfv (index, pname, params); +} + +void +glGetVertexAttribiv (GLuint index, GLenum pname, GLint * params) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetVertexAttribiv (index, pname, params); +} + +void +glGetVertexAttribPointerv (GLuint index, GLenum pname, GLvoid ** pointer) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetVertexAttribPointerv (index, pname, pointer); +} + +GLint +glGetAttribLocation (GLuint program, const char *name) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glGetAttribLocation (program, name); +} + +void +glBindAttribLocation (GLuint program, GLuint index, const GLchar * name) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glBindAttribLocation (program, index, name); +} + +void +glGetActiveAttrib (GLuint program, GLuint index, GLsizei bufsize, + GLsizei * length, GLint * size, GLenum * type, + GLchar * name) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetActiveAttrib (program, index, bufsize, length, size, type, + name); +} + +void +glGetActiveUniform (GLuint program, GLuint index, GLsizei bufsize, + GLsizei * length, GLint * size, GLenum * type, + GLchar * name) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetActiveUniform (program, index, bufsize, length, size, type, + name); +} + +void +glDetachShader (GLuint program, GLuint shader) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glDetachShader (program, shader); +} + +void +glGetAttachedShaders (GLuint program, GLsizei maxcount, GLsizei * count, + GLuint * shaders) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetAttachedShaders (program, maxcount, count, shaders); +} + +void +glGetShaderSource (GLuint shader, GLsizei bufsize, GLsizei * length, + GLchar * source) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glGetShaderSource (shader, bufsize, length, source); +} + +GLboolean +glIsShader (GLuint shader) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glIsShader (shader); +} + +GLboolean +glIsProgram (GLuint program) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + return vtable->glIsProgram (program); +} + +void +glValidateProgram (GLuint program) +{ + CoglGLES2Vtable *vtable = cogl_gles2_get_current_vtable (); + vtable->glValidateProgram (program); +} diff --git a/cogl-gst/Makefile.am b/cogl-gst/Makefile.am new file mode 100644 index 0000000..ba0c3d8 --- /dev/null +++ b/cogl-gst/Makefile.am @@ -0,0 +1,107 @@ +include $(top_srcdir)/build/autotools/Makefile.am.silent + +NULL = + +CLEANFILES = +DISTCLEANFILES = + +EXTRA_DIST = + +source_c = \ + cogl-gst-video-sink.c \ + $(NULL) + +source_h = \ + cogl-gst.h \ + cogl-gst-video-sink.h \ + $(NULL) + +lib_LTLIBRARIES = libcogl-gst.la + +libcogl_gst_la_SOURCES = $(source_c) $(source_h) +libcogl_gst_la_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_GST_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS) $(MAINTAINER_CFLAGS) +libcogl_gst_la_LIBADD = $(top_builddir)/cogl/libcogl.la +libcogl_gst_la_LIBADD += $(COGL_DEP_LIBS) $(COGL_GST_DEP_LIBS) $(COGL_EXTRA_LDFLAGS) +libcogl_gst_la_LDFLAGS = \ + -export-dynamic \ + -export-symbols-regex "^cogl_gst_.*" \ + -no-undefined \ + -version-info @COGL_LT_CURRENT@:@COGL_LT_REVISION@:@COGL_LT_AGE@ \ + -rpath $(libdir) + +AM_CPPFLAGS = \ + -DCOGL_COMPILATION \ + -DG_LOG_DOMAIN=\"CoglGst\" \ + -I$(top_srcdir)/cogl \ + -I$(top_builddir)/cogl \ + -I$(top_srcdir)/cogl/winsys \ + -I$(top_srcdir) \ + -I$(top_builddir) + +cogl_gstheadersdir = $(includedir)/cogl/cogl-gst +cogl_gstheaders_HEADERS = $(source_h) + +plugin_source_c = \ + $(srcdir)/cogl-gst-plugin.c \ + $(NULL) + +libgstcogl_la_SOURCES = \ + $(plugin_source_c) \ + $(NULL) + +plugin_LTLIBRARIES = libgstcogl.la + +libgstcogl_la_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_GST_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS) $(MAINTAINER_CFLAGS) +libgstcogl_la_LIBADD = \ + $(top_builddir)/cogl/libcogl.la \ + $(builddir)/libcogl-gst.la +libgstcogl_la_LIBADD += $(COGL_DEP_LIBS) $(COGL_GST_DEP_LIBS) $(COGL_EXTRA_LDFLAGS) +libgstcogl_la_LDFLAGS = \ + -avoid-version -no-undefined \ + $(NULL) + +pc_files = cogl-gst-1.0.pc \ + cogl-gst-2.0-experimental.pc + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = $(pc_files) + +EXTRA_DIST += cogl-gst.pc.in +DISTCLEANFILES += $(pc_files) + +-include $(INTROSPECTION_MAKEFILE) + +INTROSPECTION_GIRS = + +if HAVE_INTROSPECTION +INTROSPECTION_COMPILER_ARGS=--includedir=$(top_builddir)/cogl + +CoglGst-2.0.gir: libcogl-gst.la Makefile + +CoglGst_2_0_gir_NAMESPACE = CoglGst +CoglGst_2_0_gir_VERSION = 2.0 +CoglGst_2_0_gir_LIBS = $(top_builddir)/cogl/libcogl.la libcogl-gst.la +CoglGst_2_0_gir_FILES = $(source_h) $(source_c) +CoglGst_2_0_gir_CFLAGS = $(AM_CPPFLAGS) $(COGL_GST_DEP_CFLAGS) +CoglGst_2_0_gir_INCLUDES = GObject-2.0 Gst-1.0 GstBase-1.0 +CoglGst_2_0_gir_EXPORT_PACKAGES = cogl-gst-2.0-experimental +CoglGst_2_0_gir_SCANNERFLAGS = \ + --warn-all \ + --identifier-prefix=CoglGst \ + --symbol-prefix=cogl_gst \ + --c-include='cogl-gst/cogl-gst.h' \ + --c-include="gst/gst.h" \ + --include-uninstalled=$(top_builddir)/cogl/Cogl-2.0.gir \ + --pkg gstreamer-1.0 \ + --add-init-section="gst_init(NULL, NULL);" + +INTROSPECTION_GIRS += CoglGst-2.0.gir + +girdir = $(datadir)/gir-1.0 +gir_DATA = $(INTROSPECTION_GIRS) + +typelibdir = $(libdir)/girepository-1.0 +typelib_DATA = $(INTROSPECTION_GIRS:.gir=.typelib) + +CLEANFILES += $(gir_DATA) $(typelib_DATA) +endif diff --git a/cogl-gst/Makefile.in b/cogl-gst/Makefile.in new file mode 100644 index 0000000..b9b5bc8 --- /dev/null +++ b/cogl-gst/Makefile.in @@ -0,0 +1,1055 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# custom rules for quiet builds + + + +VPATH = @srcdir@ +am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)' +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; \ + fi; \ + skip_next=no; \ + strip_trailopt () \ + { \ + flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \ + }; \ + for flg in $$sane_makeflags; do \ + test $$skip_next = yes && { skip_next=no; continue; }; \ + case $$flg in \ + *=*|--*) continue;; \ + -*I) strip_trailopt 'I'; skip_next=yes;; \ + -*I?*) strip_trailopt 'I';; \ + -*O) strip_trailopt 'O'; skip_next=yes;; \ + -*O?*) strip_trailopt 'O';; \ + -*l) strip_trailopt 'l'; skip_next=yes;; \ + -*l?*) strip_trailopt 'l';; \ + -[dEDm]) skip_next=yes;; \ + -[JT]) skip_next=yes;; \ + esac; \ + case $$flg in \ + *$$target_option*) has_opt=yes; break;; \ + esac; \ + done; \ + test $$has_opt = yes +am__make_dryrun = (target_option=n; $(am__make_running_with_option)) +am__make_keepgoing = (target_option=k; $(am__make_running_with_option)) +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c 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$(CONFIG_CLEAN_VPATH_FILES) + -test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \ + clean-pluginLTLIBRARIES mostlyclean-am + +distclean: distclean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: install-cogl_gstheadersHEADERS install-girDATA \ + install-pkgconfigDATA install-pluginLTLIBRARIES \ + install-typelibDATA + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: install-libLTLIBRARIES + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + 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install-dvi-am install-exec install-exec-am \ + install-girDATA install-html install-html-am install-info \ + install-info-am install-libLTLIBRARIES install-man install-pdf \ + install-pdf-am install-pkgconfigDATA install-pluginLTLIBRARIES \ + install-ps install-ps-am install-strip install-typelibDATA \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am \ + uninstall-cogl_gstheadersHEADERS uninstall-girDATA \ + uninstall-libLTLIBRARIES uninstall-pkgconfigDATA \ + uninstall-pluginLTLIBRARIES uninstall-typelibDATA + + +-include $(INTROSPECTION_MAKEFILE) + +@HAVE_INTROSPECTION_TRUE@CoglGst-2.0.gir: libcogl-gst.la Makefile + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/cogl-gst/cogl-gst-1.0.pc.in b/cogl-gst/cogl-gst-1.0.pc.in new file mode 100644 index 0000000..b3189ca --- /dev/null +++ b/cogl-gst/cogl-gst-1.0.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=1.0 +requires=@COGL_PKG_REQUIRES@ cogl-1.0 + +Name: Cogl +Description: A GStreamer integration library for Cogl +Version: @COGL_1_VERSION@ +Libs: -L${libdir} -lcogl-gst +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl-gst/cogl-gst-2.0-experimental.pc.in b/cogl-gst/cogl-gst-2.0-experimental.pc.in new file mode 100644 index 0000000..3a82751 --- /dev/null +++ b/cogl-gst/cogl-gst-2.0-experimental.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=@COGL_API_VERSION@ +requires=@COGL_PKG_REQUIRES@ cogl-2.0-experimental + +Name: Cogl +Description: A GStreamer integration library for Cogl +Version: @COGL_1_VERSION@ +Libs: -L${libdir} -lcogl-gst +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl-gst/cogl-gst-plugin.c b/cogl-gst/cogl-gst-plugin.c new file mode 100644 index 0000000..20b1e59 --- /dev/null +++ b/cogl-gst/cogl-gst-plugin.c @@ -0,0 +1,57 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007, 2008 OpenedHand + * Copyright (C) 2009, 2010, 2013 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-gst-video-sink.h" + +#define PACKAGE "CoglGst" + +static CoglBool +_plugin_init (GstPlugin *coglgstvideosink) +{ + return gst_element_register (coglgstvideosink, + "coglsink", + GST_RANK_PRIMARY, + COGL_GST_TYPE_VIDEO_SINK); +} + +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + cogl, + "Sends video data from GStreamer to a Cogl pipeline", + _plugin_init, + COGL_VERSION_STRING, + "MIT/X11", + PACKAGE, + "http://cogl3d.org/") diff --git a/cogl-gst/cogl-gst-video-sink.c b/cogl-gst/cogl-gst-video-sink.c new file mode 100644 index 0000000..eaa3e12 --- /dev/null +++ b/cogl-gst/cogl-gst-video-sink.c @@ -0,0 +1,1743 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007, 2008 OpenedHand + * Copyright (C) 2009, 2010, 2013 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "config.h" + +#include +#include +#include +#include +#include + +#include "cogl-gtype-private.h" + +/* We just need the public Cogl api for cogl-gst but we first need to + * undef COGL_COMPILATION to avoid getting an error that normally + * checks cogl.h isn't used internally. */ +#undef COGL_COMPILATION +#include + +#include "cogl-gst-video-sink.h" + +#define COGL_GST_DEFAULT_PRIORITY G_PRIORITY_HIGH_IDLE + +#define BASE_SINK_CAPS "{ AYUV," \ + "YV12," \ + "I420," \ + "RGBA," \ + "BGRA," \ + "RGB," \ + "BGR," \ + "NV12 }" + +#define SINK_CAPS GST_VIDEO_CAPS_MAKE (BASE_SINK_CAPS) + +#define COGL_GST_PARAM_STATIC \ + (G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB) + +#define COGL_GST_PARAM_READABLE \ + (G_PARAM_READABLE | COGL_GST_PARAM_STATIC) + +#define COGL_GST_PARAM_WRITABLE \ + (G_PARAM_WRITABLE | COGL_GST_PARAM_STATIC) + +#define COGL_GST_PARAM_READWRITE \ + (G_PARAM_READABLE | G_PARAM_WRITABLE | COGL_GST_PARAM_STATIC) + +static GstStaticPadTemplate sinktemplate_all = + GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS (SINK_CAPS)); + +G_DEFINE_TYPE (CoglGstVideoSink, cogl_gst_video_sink, GST_TYPE_BASE_SINK); + +enum +{ + PROP_0, + PROP_UPDATE_PRIORITY +}; + +enum +{ + PIPELINE_READY_SIGNAL, + NEW_FRAME_SIGNAL, + + LAST_SIGNAL +}; + +static guint video_sink_signals[LAST_SIGNAL] = { 0, }; + +typedef enum +{ + COGL_GST_NOFORMAT, + COGL_GST_RGB32, + COGL_GST_RGB24, + COGL_GST_AYUV, + COGL_GST_YV12, + COGL_GST_SURFACE, + COGL_GST_I420, + COGL_GST_NV12 +} CoglGstVideoFormat; + +typedef enum +{ + COGL_GST_RENDERER_NEEDS_GLSL = (1 << 0), + COGL_GST_RENDERER_NEEDS_TEXTURE_RG = (1 << 1) +} CoglGstRendererFlag; + +/* We want to cache the snippets instead of recreating a new one every + * time we initialise a pipeline so that if we end up recreating the + * same pipeline again then Cogl will be able to use the pipeline + * cache to avoid linking a redundant identical shader program */ +typedef struct +{ + CoglSnippet *vertex_snippet; + CoglSnippet *fragment_snippet; + CoglSnippet *default_sample_snippet; + int start_position; +} SnippetCacheEntry; + +typedef struct +{ + GQueue entries; +} SnippetCache; + +typedef struct _CoglGstSource +{ + GSource source; + CoglGstVideoSink *sink; + GMutex buffer_lock; + GstBuffer *buffer; + CoglBool has_new_caps; +} CoglGstSource; + +typedef void (CoglGstRendererPaint) (CoglGstVideoSink *); +typedef void (CoglGstRendererPostPaint) (CoglGstVideoSink *); + +typedef struct _CoglGstRenderer +{ + const char *name; + CoglGstVideoFormat format; + int flags; + GstStaticCaps caps; + int n_layers; + void (*setup_pipeline) (CoglGstVideoSink *sink, + CoglPipeline *pipeline); + CoglBool (*upload) (CoglGstVideoSink *sink, + GstBuffer *buffer); +} CoglGstRenderer; + +struct _CoglGstVideoSinkPrivate +{ + CoglContext *ctx; + CoglPipeline *pipeline; + CoglTexture *frame[3]; + CoglBool frame_dirty; + CoglGstVideoFormat format; + CoglBool bgr; + CoglGstSource *source; + GSList *renderers; + GstCaps *caps; + CoglGstRenderer *renderer; + GstFlowReturn flow_return; + int custom_start; + int free_layer; + CoglBool default_sample; + GstVideoInfo info; +}; + +/* GTypes */ + +static gpointer +cogl_gst_rectangle_copy (gpointer src) +{ + if (G_LIKELY (src)) + { + CoglGstRectangle *new = g_slice_new (CoglGstRectangle); + memcpy (new, src, sizeof (CoglGstRectangle)); + return new; + } + else + return NULL; +} + +static void +cogl_gst_rectangle_free (gpointer ptr) +{ + g_slice_free (CoglGstRectangle, ptr); +} + +COGL_GTYPE_DEFINE_BOXED (GstRectangle, + gst_rectangle, + cogl_gst_rectangle_copy, + cogl_gst_rectangle_free); + +/**/ + +static void +cogl_gst_source_finalize (GSource *source) +{ + CoglGstSource *gst_source = (CoglGstSource *) source; + + g_mutex_lock (&gst_source->buffer_lock); + if (gst_source->buffer) + gst_buffer_unref (gst_source->buffer); + gst_source->buffer = NULL; + g_mutex_unlock (&gst_source->buffer_lock); + g_mutex_clear (&gst_source->buffer_lock); +} + +int +cogl_gst_video_sink_get_free_layer (CoglGstVideoSink *sink) +{ + return sink->priv->free_layer; +} + +void +cogl_gst_video_sink_attach_frame (CoglGstVideoSink *sink, + CoglPipeline *pln) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + int i; + + for (i = 0; i < G_N_ELEMENTS (priv->frame); i++) + if (priv->frame[i] != NULL) + cogl_pipeline_set_layer_texture (pln, i + priv->custom_start, + priv->frame[i]); +} + +static CoglBool +cogl_gst_source_prepare (GSource *source, + int *timeout) +{ + CoglGstSource *gst_source = (CoglGstSource *) source; + + *timeout = -1; + + return gst_source->buffer != NULL; +} + +static CoglBool +cogl_gst_source_check (GSource *source) +{ + CoglGstSource *gst_source = (CoglGstSource *) source; + + return gst_source->buffer != NULL; +} + +static void +cogl_gst_video_sink_set_priority (CoglGstVideoSink *sink, + int priority) +{ + if (sink->priv->source) + g_source_set_priority ((GSource *) sink->priv->source, priority); +} + +static void +dirty_default_pipeline (CoglGstVideoSink *sink) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + + if (priv->pipeline) + { + cogl_object_unref (priv->pipeline); + priv->pipeline = NULL; + } +} + +void +cogl_gst_video_sink_set_first_layer (CoglGstVideoSink *sink, + int first_layer) +{ + g_return_if_fail (COGL_GST_IS_VIDEO_SINK (sink)); + + if (first_layer != sink->priv->custom_start) + { + sink->priv->custom_start = first_layer; + dirty_default_pipeline (sink); + + if (sink->priv->renderer) + sink->priv->free_layer = (sink->priv->custom_start + + sink->priv->renderer->n_layers); + } +} + +void +cogl_gst_video_sink_set_default_sample (CoglGstVideoSink *sink, + CoglBool default_sample) +{ + g_return_if_fail (COGL_GST_IS_VIDEO_SINK (sink)); + + if (default_sample != sink->priv->default_sample) + { + sink->priv->default_sample = default_sample; + dirty_default_pipeline (sink); + } +} + +void +cogl_gst_video_sink_setup_pipeline (CoglGstVideoSink *sink, + CoglPipeline *pipeline) +{ + g_return_if_fail (COGL_GST_IS_VIDEO_SINK (sink)); + + if (sink->priv->renderer) + sink->priv->renderer->setup_pipeline (sink, pipeline); +} + +static SnippetCacheEntry * +get_cache_entry (CoglGstVideoSink *sink, + SnippetCache *cache) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + GList *l; + + for (l = cache->entries.head; l; l = l->next) + { + SnippetCacheEntry *entry = l->data; + + if (entry->start_position == priv->custom_start) + return entry; + } + + return NULL; +} + +static SnippetCacheEntry * +add_cache_entry (CoglGstVideoSink *sink, + SnippetCache *cache, + const char *decl) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + SnippetCacheEntry *entry = g_slice_new (SnippetCacheEntry); + char *default_source; + + entry->start_position = priv->custom_start; + + entry->vertex_snippet = + cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX_GLOBALS, + decl, + NULL /* post */); + entry->fragment_snippet = + cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS, + decl, + NULL /* post */); + + default_source = + g_strdup_printf (" cogl_layer *= cogl_gst_sample_video%i " + "(cogl_tex_coord%i_in.st);\n", + priv->custom_start, + priv->custom_start); + entry->default_sample_snippet = + cogl_snippet_new (COGL_SNIPPET_HOOK_LAYER_FRAGMENT, + NULL, /* declarations */ + default_source); + g_free (default_source); + + g_queue_push_head (&cache->entries, entry); + + return entry; +} + +static void +setup_pipeline_from_cache_entry (CoglGstVideoSink *sink, + CoglPipeline *pipeline, + SnippetCacheEntry *cache_entry, + int n_layers) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + + if (cache_entry) + { + int i; + + /* The global sampling function gets added to both the fragment + * and vertex stages. The hope is that the GLSL compiler will + * easily remove the dead code if it's not actually used */ + cogl_pipeline_add_snippet (pipeline, cache_entry->vertex_snippet); + cogl_pipeline_add_snippet (pipeline, cache_entry->fragment_snippet); + + /* Set all of the layers to just directly copy from the previous + * layer so that it won't redundantly generate code to sample + * the intermediate textures */ + for (i = 0; i < n_layers; i++) + cogl_pipeline_set_layer_combine (pipeline, + priv->custom_start + i, + "RGBA=REPLACE(PREVIOUS)", + NULL); + + if (priv->default_sample) + cogl_pipeline_add_layer_snippet (pipeline, + priv->custom_start + n_layers - 1, + cache_entry->default_sample_snippet); + } + + priv->frame_dirty = TRUE; +} + +CoglPipeline * +cogl_gst_video_sink_get_pipeline (CoglGstVideoSink *vt) +{ + CoglGstVideoSinkPrivate *priv; + + g_return_val_if_fail (COGL_GST_IS_VIDEO_SINK (vt), NULL); + + priv = vt->priv; + + if (priv->pipeline == NULL) + { + priv->pipeline = cogl_pipeline_new (priv->ctx); + cogl_gst_video_sink_setup_pipeline (vt, priv->pipeline); + cogl_gst_video_sink_attach_frame (vt, priv->pipeline); + priv->frame_dirty = FALSE; + } + else if (priv->frame_dirty) + { + CoglPipeline *pipeline = cogl_pipeline_copy (priv->pipeline); + cogl_object_unref (priv->pipeline); + priv->pipeline = pipeline; + + cogl_gst_video_sink_attach_frame (vt, pipeline); + priv->frame_dirty = FALSE; + } + + return priv->pipeline; +} + +static void +clear_frame_textures (CoglGstVideoSink *sink) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + int i; + + for (i = 0; i < G_N_ELEMENTS (priv->frame); i++) + { + if (priv->frame[i] == NULL) + break; + else + cogl_object_unref (priv->frame[i]); + } + + memset (priv->frame, 0, sizeof (priv->frame)); + + priv->frame_dirty = TRUE; +} + +static inline CoglBool +is_pot (unsigned int number) +{ + /* Make sure there is only one bit set */ + return (number & (number - 1)) == 0; +} + +/* This first tries to upload the texture to a CoglTexture2D, but + * if that's not possible it falls back to a CoglTexture2DSliced. + * + * Auto-mipmapping of any uploaded texture is disabled + */ +static CoglTexture * +video_texture_new_from_data (CoglContext *ctx, + int width, + int height, + CoglPixelFormat format, + int rowstride, + const uint8_t *data) +{ + CoglBitmap *bitmap; + CoglTexture *tex; + CoglError *internal_error = NULL; + + bitmap = cogl_bitmap_new_for_data (ctx, + width, height, + format, + rowstride, + (uint8_t *) data); + + if ((is_pot (cogl_bitmap_get_width (bitmap)) && + is_pot (cogl_bitmap_get_height (bitmap))) || + cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC)) + { + tex = cogl_texture_2d_new_from_bitmap (bitmap); + + cogl_texture_set_premultiplied (tex, FALSE); + + if (!cogl_texture_allocate (tex, &internal_error)) + { + cogl_error_free (internal_error); + internal_error = NULL; + cogl_object_unref (tex); + tex = NULL; + } + } + else + tex = NULL; + + if (!tex) + { + /* Otherwise create a sliced texture */ + tex = cogl_texture_2d_sliced_new_from_bitmap (bitmap, + -1); /* no maximum waste */ + + cogl_texture_set_premultiplied (tex, FALSE); + + cogl_texture_allocate (tex, NULL); + } + + cogl_object_unref (bitmap); + + return tex; +} + +static void +cogl_gst_rgb24_glsl_setup_pipeline (CoglGstVideoSink *sink, + CoglPipeline *pipeline) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + static SnippetCache snippet_cache; + SnippetCacheEntry *entry = get_cache_entry (sink, &snippet_cache); + + if (entry == NULL) + { + char *source; + + source = + g_strdup_printf ("vec4\n" + "cogl_gst_sample_video%i (vec2 UV)\n" + "{\n" + " return texture2D (cogl_sampler%i, UV);\n" + "}\n", + priv->custom_start, + priv->custom_start); + + entry = add_cache_entry (sink, &snippet_cache, source); + g_free (source); + } + + setup_pipeline_from_cache_entry (sink, pipeline, entry, 1); +} + +static void +cogl_gst_rgb24_setup_pipeline (CoglGstVideoSink *sink, + CoglPipeline *pipeline) +{ + setup_pipeline_from_cache_entry (sink, pipeline, NULL, 1); +} + +static CoglBool +cogl_gst_rgb24_upload (CoglGstVideoSink *sink, + GstBuffer *buffer) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + CoglPixelFormat format; + GstVideoFrame frame; + + if (priv->bgr) + format = COGL_PIXEL_FORMAT_BGR_888; + else + format = COGL_PIXEL_FORMAT_RGB_888; + + if (!gst_video_frame_map (&frame, &priv->info, buffer, GST_MAP_READ)) + goto map_fail; + + clear_frame_textures (sink); + + priv->frame[0] = video_texture_new_from_data (priv->ctx, priv->info.width, + priv->info.height, + format, + priv->info.stride[0], + frame.data[0]); + + gst_video_frame_unmap (&frame); + + return TRUE; + +map_fail: + { + GST_ERROR_OBJECT (sink, "Could not map incoming video frame"); + return FALSE; + } +} + +static CoglGstRenderer rgb24_glsl_renderer = +{ + "RGB 24", + COGL_GST_RGB24, + COGL_GST_RENDERER_NEEDS_GLSL, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGB, BGR }")), + 1, /* n_layers */ + cogl_gst_rgb24_glsl_setup_pipeline, + cogl_gst_rgb24_upload, +}; + +static CoglGstRenderer rgb24_renderer = +{ + "RGB 24", + COGL_GST_RGB24, + 0, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGB, BGR }")), + 1, /* n_layers */ + cogl_gst_rgb24_setup_pipeline, + cogl_gst_rgb24_upload, +}; + +static void +cogl_gst_rgb32_glsl_setup_pipeline (CoglGstVideoSink *sink, + CoglPipeline *pipeline) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + static SnippetCache snippet_cache; + SnippetCacheEntry *entry = get_cache_entry (sink, &snippet_cache); + + if (entry == NULL) + { + char *source; + + source = + g_strdup_printf ("vec4\n" + "cogl_gst_sample_video%i (vec2 UV)\n" + "{\n" + " vec4 color = texture2D (cogl_sampler%i, UV);\n" + /* Premultiply the color */ + " color.rgb *= color.a;\n" + " return color;\n" + "}\n", + priv->custom_start, + priv->custom_start); + + entry = add_cache_entry (sink, &snippet_cache, source); + g_free (source); + } + + setup_pipeline_from_cache_entry (sink, pipeline, entry, 1); +} + +static void +cogl_gst_rgb32_setup_pipeline (CoglGstVideoSink *sink, + CoglPipeline *pipeline) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + char *layer_combine; + + setup_pipeline_from_cache_entry (sink, pipeline, NULL, 1); + + /* Premultiply the texture using the a special layer combine */ + layer_combine = g_strdup_printf ("RGB=MODULATE(PREVIOUS, TEXTURE_%i[A])\n" + "A=REPLACE(PREVIOUS[A])", + priv->custom_start); + cogl_pipeline_set_layer_combine (pipeline, + priv->custom_start + 1, + layer_combine, + NULL); + g_free(layer_combine); +} + +static CoglBool +cogl_gst_rgb32_upload (CoglGstVideoSink *sink, + GstBuffer *buffer) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + CoglPixelFormat format; + GstVideoFrame frame; + + if (priv->bgr) + format = COGL_PIXEL_FORMAT_BGRA_8888; + else + format = COGL_PIXEL_FORMAT_RGBA_8888; + + if (!gst_video_frame_map (&frame, &priv->info, buffer, GST_MAP_READ)) + goto map_fail; + + clear_frame_textures (sink); + + priv->frame[0] = video_texture_new_from_data (priv->ctx, priv->info.width, + priv->info.height, + format, + priv->info.stride[0], + frame.data[0]); + + gst_video_frame_unmap (&frame); + + return TRUE; + +map_fail: + { + GST_ERROR_OBJECT (sink, "Could not map incoming video frame"); + return FALSE; + } +} + +static CoglGstRenderer rgb32_glsl_renderer = +{ + "RGB 32", + COGL_GST_RGB32, + COGL_GST_RENDERER_NEEDS_GLSL, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBA, BGRA }")), + 1, /* n_layers */ + cogl_gst_rgb32_glsl_setup_pipeline, + cogl_gst_rgb32_upload, +}; + +static CoglGstRenderer rgb32_renderer = +{ + "RGB 32", + COGL_GST_RGB32, + 0, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBA, BGRA }")), + 2, /* n_layers */ + cogl_gst_rgb32_setup_pipeline, + cogl_gst_rgb32_upload, +}; + +static CoglBool +cogl_gst_yv12_upload (CoglGstVideoSink *sink, + GstBuffer *buffer) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + CoglPixelFormat format = COGL_PIXEL_FORMAT_A_8; + GstVideoFrame frame; + + if (!gst_video_frame_map (&frame, &priv->info, buffer, GST_MAP_READ)) + goto map_fail; + + clear_frame_textures (sink); + + priv->frame[0] = + video_texture_new_from_data (priv->ctx, + GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 0), + GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 0), + format, + priv->info.stride[0], frame.data[0]); + + priv->frame[2] = + video_texture_new_from_data (priv->ctx, + GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 1), + GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 1), + format, + priv->info.stride[1], frame.data[1]); + + priv->frame[1] = + video_texture_new_from_data (priv->ctx, + GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 2), + GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 2), + format, + priv->info.stride[2], frame.data[2]); + + gst_video_frame_unmap (&frame); + + return TRUE; + +map_fail: + { + GST_ERROR_OBJECT (sink, "Could not map incoming video frame"); + return FALSE; + } +} + +static CoglBool +cogl_gst_i420_upload (CoglGstVideoSink *sink, + GstBuffer *buffer) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + CoglPixelFormat format = COGL_PIXEL_FORMAT_A_8; + GstVideoFrame frame; + + if (!gst_video_frame_map (&frame, &priv->info, buffer, GST_MAP_READ)) + goto map_fail; + + clear_frame_textures (sink); + + priv->frame[0] = + video_texture_new_from_data (priv->ctx, + GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 0), + GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 0), + format, + priv->info.stride[0], frame.data[0]); + + priv->frame[1] = + video_texture_new_from_data (priv->ctx, + GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 1), + GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 1), + format, + priv->info.stride[1], frame.data[1]); + + priv->frame[2] = + video_texture_new_from_data (priv->ctx, + GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 2), + GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 2), + format, + priv->info.stride[2], frame.data[2]); + + gst_video_frame_unmap (&frame); + + return TRUE; + +map_fail: + { + GST_ERROR_OBJECT (sink, "Could not map incoming video frame"); + return FALSE; + } +} + +static void +cogl_gst_yv12_glsl_setup_pipeline (CoglGstVideoSink *sink, + CoglPipeline *pipeline) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + static SnippetCache snippet_cache; + SnippetCacheEntry *entry; + + entry = get_cache_entry (sink, &snippet_cache); + + if (entry == NULL) + { + char *source; + + source = + g_strdup_printf ("vec4\n" + "cogl_gst_sample_video%i (vec2 UV)\n" + "{\n" + " float y = 1.1640625 * " + "(texture2D (cogl_sampler%i, UV).a - 0.0625);\n" + " float u = texture2D (cogl_sampler%i, UV).a - 0.5;\n" + " float v = texture2D (cogl_sampler%i, UV).a - 0.5;\n" + " vec4 color;\n" + " color.r = y + 1.59765625 * v;\n" + " color.g = y - 0.390625 * u - 0.8125 * v;\n" + " color.b = y + 2.015625 * u;\n" + " color.a = 1.0;\n" + " return color;\n" + "}\n", + priv->custom_start, + priv->custom_start, + priv->custom_start + 1, + priv->custom_start + 2); + + entry = add_cache_entry (sink, &snippet_cache, source); + g_free (source); + } + + setup_pipeline_from_cache_entry (sink, pipeline, entry, 3); +} + +static CoglGstRenderer yv12_glsl_renderer = +{ + "YV12 glsl", + COGL_GST_YV12, + COGL_GST_RENDERER_NEEDS_GLSL, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("YV12")), + 3, /* n_layers */ + cogl_gst_yv12_glsl_setup_pipeline, + cogl_gst_yv12_upload, +}; + +static CoglGstRenderer i420_glsl_renderer = +{ + "I420 glsl", + COGL_GST_I420, + COGL_GST_RENDERER_NEEDS_GLSL, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420")), + 3, /* n_layers */ + cogl_gst_yv12_glsl_setup_pipeline, + cogl_gst_i420_upload, +}; + +static void +cogl_gst_ayuv_glsl_setup_pipeline (CoglGstVideoSink *sink, + CoglPipeline *pipeline) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + static SnippetCache snippet_cache; + SnippetCacheEntry *entry; + + entry = get_cache_entry (sink, &snippet_cache); + + if (entry == NULL) + { + char *source; + + source + = g_strdup_printf ("vec4\n" + "cogl_gst_sample_video%i (vec2 UV)\n" + "{\n" + " vec4 color = texture2D (cogl_sampler%i, UV);\n" + " float y = 1.1640625 * (color.g - 0.0625);\n" + " float u = color.b - 0.5;\n" + " float v = color.a - 0.5;\n" + " color.a = color.r;\n" + " color.r = y + 1.59765625 * v;\n" + " color.g = y - 0.390625 * u - 0.8125 * v;\n" + " color.b = y + 2.015625 * u;\n" + /* Premultiply the color */ + " color.rgb *= color.a;\n" + " return color;\n" + "}\n", priv->custom_start, + priv->custom_start); + + entry = add_cache_entry (sink, &snippet_cache, source); + g_free (source); + } + + setup_pipeline_from_cache_entry (sink, pipeline, entry, 1); +} + +static CoglBool +cogl_gst_ayuv_upload (CoglGstVideoSink *sink, + GstBuffer *buffer) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + CoglPixelFormat format = COGL_PIXEL_FORMAT_RGBA_8888; + GstVideoFrame frame; + + if (!gst_video_frame_map (&frame, &priv->info, buffer, GST_MAP_READ)) + goto map_fail; + + clear_frame_textures (sink); + + priv->frame[0] = video_texture_new_from_data (priv->ctx, priv->info.width, + priv->info.height, + format, + priv->info.stride[0], + frame.data[0]); + + gst_video_frame_unmap (&frame); + + return TRUE; + +map_fail: + { + GST_ERROR_OBJECT (sink, "Could not map incoming video frame"); + return FALSE; + } +} + +static CoglGstRenderer ayuv_glsl_renderer = +{ + "AYUV glsl", + COGL_GST_AYUV, + COGL_GST_RENDERER_NEEDS_GLSL, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("AYUV")), + 1, /* n_layers */ + cogl_gst_ayuv_glsl_setup_pipeline, + cogl_gst_ayuv_upload, +}; + +static void +cogl_gst_nv12_glsl_setup_pipeline (CoglGstVideoSink *sink, + CoglPipeline *pipeline) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + static SnippetCache snippet_cache; + SnippetCacheEntry *entry; + + entry = get_cache_entry (sink, &snippet_cache); + + if (entry == NULL) + { + char *source; + + source = + g_strdup_printf ("vec4\n" + "cogl_gst_sample_video%i (vec2 UV)\n" + "{\n" + " vec4 color;\n" + " float y = 1.1640625 *\n" + " (texture2D (cogl_sampler%i, UV).a -\n" + " 0.0625);\n" + " vec2 uv = texture2D (cogl_sampler%i, UV).rg;\n" + " uv -= 0.5;\n" + " float u = uv.x;\n" + " float v = uv.y;\n" + " color.r = y + 1.59765625 * v;\n" + " color.g = y - 0.390625 * u - 0.8125 * v;\n" + " color.b = y + 2.015625 * u;\n" + " color.a = 1.0;\n" + " return color;\n" + "}\n", + priv->custom_start, + priv->custom_start, + priv->custom_start + 1); + + entry = add_cache_entry (sink, &snippet_cache, source); + g_free (source); + } + + setup_pipeline_from_cache_entry (sink, pipeline, entry, 2); +} + +static CoglBool +cogl_gst_nv12_upload (CoglGstVideoSink *sink, + GstBuffer *buffer) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + GstVideoFrame frame; + + if (!gst_video_frame_map (&frame, &priv->info, buffer, GST_MAP_READ)) + goto map_fail; + + clear_frame_textures (sink); + + priv->frame[0] = + video_texture_new_from_data (priv->ctx, + GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 0), + GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 0), + COGL_PIXEL_FORMAT_A_8, + priv->info.stride[0], + frame.data[0]); + + priv->frame[1] = + video_texture_new_from_data (priv->ctx, + GST_VIDEO_INFO_COMP_WIDTH (&priv->info, 1), + GST_VIDEO_INFO_COMP_HEIGHT (&priv->info, 1), + COGL_PIXEL_FORMAT_RG_88, + priv->info.stride[1], + frame.data[1]); + + gst_video_frame_unmap (&frame); + + return TRUE; + + map_fail: + { + GST_ERROR_OBJECT (sink, "Could not map incoming video frame"); + return FALSE; + } +} + +static CoglGstRenderer nv12_glsl_renderer = +{ + "NV12 glsl", + COGL_GST_NV12, + COGL_GST_RENDERER_NEEDS_GLSL | COGL_GST_RENDERER_NEEDS_TEXTURE_RG, + GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("memory:SystemMemory", + "NV12")), + 2, /* n_layers */ + cogl_gst_nv12_glsl_setup_pipeline, + cogl_gst_nv12_upload, +}; + +static GSList* +cogl_gst_build_renderers_list (CoglContext *ctx) +{ + GSList *list = NULL; + CoglGstRendererFlag flags = 0; + int i; + static CoglGstRenderer *const renderers[] = + { + /* These are in increasing order of priority so that the + * priv->renderers will be in decreasing order. That way the GLSL + * renderers will be preferred if they are available */ + &rgb24_renderer, + &rgb32_renderer, + &rgb24_glsl_renderer, + &rgb32_glsl_renderer, + &yv12_glsl_renderer, + &i420_glsl_renderer, + &ayuv_glsl_renderer, + &nv12_glsl_renderer, + NULL + }; + + if (cogl_has_feature (ctx, COGL_FEATURE_ID_GLSL)) + flags |= COGL_GST_RENDERER_NEEDS_GLSL; + + if (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_RG)) + flags |= COGL_GST_RENDERER_NEEDS_TEXTURE_RG; + + for (i = 0; renderers[i]; i++) + if ((renderers[i]->flags & flags) == renderers[i]->flags) + list = g_slist_prepend (list, renderers[i]); + + return list; +} + +static void +append_cap (gpointer data, + gpointer user_data) +{ + CoglGstRenderer *renderer = (CoglGstRenderer *) data; + GstCaps *caps = (GstCaps *) user_data; + GstCaps *writable_caps; + writable_caps = + gst_caps_make_writable (gst_static_caps_get (&renderer->caps)); + gst_caps_append (caps, writable_caps); +} + +static GstCaps * +cogl_gst_build_caps (GSList *renderers) +{ + GstCaps *caps; + + caps = gst_caps_new_empty (); + + g_slist_foreach (renderers, append_cap, caps); + + return caps; +} + +void +cogl_gst_video_sink_set_context (CoglGstVideoSink *vt, + CoglContext *ctx) +{ + CoglGstVideoSinkPrivate *priv = vt->priv; + + if (ctx) + ctx = cogl_object_ref (ctx); + + if (priv->ctx) + { + cogl_object_unref (priv->ctx); + g_slist_free (priv->renderers); + priv->renderers = NULL; + if (priv->caps) + { + gst_caps_unref (priv->caps); + priv->caps = NULL; + } + } + + if (ctx) + { + priv->ctx = ctx; + priv->renderers = cogl_gst_build_renderers_list (priv->ctx); + priv->caps = cogl_gst_build_caps (priv->renderers); + } +} + +static CoglGstRenderer * +cogl_gst_find_renderer_by_format (CoglGstVideoSink *sink, + CoglGstVideoFormat format) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + CoglGstRenderer *renderer = NULL; + GSList *element; + + /* The renderers list is in decreasing order of priority so we'll + * pick the first one that matches */ + for (element = priv->renderers; element; element = g_slist_next (element)) + { + CoglGstRenderer *candidate = (CoglGstRenderer *) element->data; + if (candidate->format == format) + { + renderer = candidate; + break; + } + } + + return renderer; +} + +static GstCaps * +cogl_gst_video_sink_get_caps (GstBaseSink *bsink, + GstCaps *filter) +{ + CoglGstVideoSink *sink; + sink = COGL_GST_VIDEO_SINK (bsink); + + if (sink->priv->caps == NULL) + return NULL; + else + return gst_caps_ref (sink->priv->caps); +} + +static CoglBool +cogl_gst_video_sink_parse_caps (GstCaps *caps, + CoglGstVideoSink *sink, + CoglBool save) +{ + CoglGstVideoSinkPrivate *priv = sink->priv; + GstCaps *intersection; + GstVideoInfo vinfo; + CoglGstVideoFormat format; + CoglBool bgr = FALSE; + CoglGstRenderer *renderer; + + intersection = gst_caps_intersect (priv->caps, caps); + if (gst_caps_is_empty (intersection)) + goto no_intersection; + + gst_caps_unref (intersection); + + if (!gst_video_info_from_caps (&vinfo, caps)) + goto unknown_format; + + switch (vinfo.finfo->format) + { + case GST_VIDEO_FORMAT_YV12: + format = COGL_GST_YV12; + break; + case GST_VIDEO_FORMAT_I420: + format = COGL_GST_I420; + break; + case GST_VIDEO_FORMAT_AYUV: + format = COGL_GST_AYUV; + bgr = FALSE; + break; + case GST_VIDEO_FORMAT_NV12: + format = COGL_GST_NV12; + break; + case GST_VIDEO_FORMAT_RGB: + format = COGL_GST_RGB24; + bgr = FALSE; + break; + case GST_VIDEO_FORMAT_BGR: + format = COGL_GST_RGB24; + bgr = TRUE; + break; + case GST_VIDEO_FORMAT_RGBA: + format = COGL_GST_RGB32; + bgr = FALSE; + break; + case GST_VIDEO_FORMAT_BGRA: + format = COGL_GST_RGB32; + bgr = TRUE; + break; + default: + goto unhandled_format; + } + + renderer = cogl_gst_find_renderer_by_format (sink, format); + + if (G_UNLIKELY (renderer == NULL)) + goto no_suitable_renderer; + + GST_INFO_OBJECT (sink, "found the %s renderer", renderer->name); + + if (save) + { + priv->info = vinfo; + + priv->format = format; + priv->bgr = bgr; + + priv->renderer = renderer; + } + + return TRUE; + + +no_intersection: + { + GST_WARNING_OBJECT (sink, + "Incompatible caps, don't intersect with %" GST_PTR_FORMAT, priv->caps); + return FALSE; + } + +unknown_format: + { + GST_WARNING_OBJECT (sink, "Could not figure format of input caps"); + return FALSE; + } + +unhandled_format: + { + GST_ERROR_OBJECT (sink, "Provided caps aren't supported by clutter-gst"); + return FALSE; + } + +no_suitable_renderer: + { + GST_ERROR_OBJECT (sink, "could not find a suitable renderer"); + return FALSE; + } +} + +static CoglBool +cogl_gst_video_sink_set_caps (GstBaseSink *bsink, + GstCaps *caps) +{ + CoglGstVideoSink *sink; + CoglGstVideoSinkPrivate *priv; + + sink = COGL_GST_VIDEO_SINK (bsink); + priv = sink->priv; + + if (!cogl_gst_video_sink_parse_caps (caps, sink, FALSE)) + return FALSE; + + g_mutex_lock (&priv->source->buffer_lock); + priv->source->has_new_caps = TRUE; + g_mutex_unlock (&priv->source->buffer_lock); + + return TRUE; +} + +static CoglBool +cogl_gst_source_dispatch (GSource *source, + GSourceFunc callback, + void *user_data) +{ + CoglGstSource *gst_source= (CoglGstSource*) source; + CoglGstVideoSinkPrivate *priv = gst_source->sink->priv; + GstBuffer *buffer; + gboolean pipeline_ready = FALSE; + + g_mutex_lock (&gst_source->buffer_lock); + + if (G_UNLIKELY (gst_source->has_new_caps)) + { + GstCaps *caps = + gst_pad_get_current_caps (GST_BASE_SINK_PAD ((GST_BASE_SINK + (gst_source->sink)))); + + if (!cogl_gst_video_sink_parse_caps (caps, gst_source->sink, TRUE)) + goto negotiation_fail; + + gst_source->has_new_caps = FALSE; + priv->free_layer = priv->custom_start + priv->renderer->n_layers; + + dirty_default_pipeline (gst_source->sink); + + /* We are now in a state where we could generate the pipeline if + * the application requests it so we can emit the signal. + * However we'll actually generate the pipeline lazily only if + * the application actually asks for it. */ + pipeline_ready = TRUE; + } + + buffer = gst_source->buffer; + gst_source->buffer = NULL; + + g_mutex_unlock (&gst_source->buffer_lock); + + if (buffer) + { + if (!priv->renderer->upload (gst_source->sink, buffer)) + goto fail_upload; + + gst_buffer_unref (buffer); + } + else + GST_WARNING_OBJECT (gst_source->sink, "No buffers available for display"); + + if (G_UNLIKELY (pipeline_ready)) + g_signal_emit (gst_source->sink, + video_sink_signals[PIPELINE_READY_SIGNAL], + 0 /* detail */); + g_signal_emit (gst_source->sink, + video_sink_signals[NEW_FRAME_SIGNAL], 0, + NULL); + + return TRUE; + + +negotiation_fail: + { + GST_WARNING_OBJECT (gst_source->sink, + "Failed to handle caps. Stopping GSource"); + priv->flow_return = GST_FLOW_NOT_NEGOTIATED; + g_mutex_unlock (&gst_source->buffer_lock); + + return FALSE; + } + +fail_upload: + { + GST_WARNING_OBJECT (gst_source->sink, "Failed to upload buffer"); + priv->flow_return = GST_FLOW_ERROR; + gst_buffer_unref (buffer); + return FALSE; + } +} + +static GSourceFuncs gst_source_funcs = +{ + cogl_gst_source_prepare, + cogl_gst_source_check, + cogl_gst_source_dispatch, + cogl_gst_source_finalize +}; + +static CoglGstSource * +cogl_gst_source_new (CoglGstVideoSink *sink) +{ + GSource *source; + CoglGstSource *gst_source; + + source = g_source_new (&gst_source_funcs, sizeof (CoglGstSource)); + gst_source = (CoglGstSource *) source; + + g_source_set_can_recurse (source, TRUE); + g_source_set_priority (source, COGL_GST_DEFAULT_PRIORITY); + + gst_source->sink = sink; + g_mutex_init (&gst_source->buffer_lock); + gst_source->buffer = NULL; + + return gst_source; +} + +static void +cogl_gst_video_sink_init (CoglGstVideoSink *sink) +{ + CoglGstVideoSinkPrivate *priv; + + sink->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE (sink, + COGL_GST_TYPE_VIDEO_SINK, + CoglGstVideoSinkPrivate); + priv->custom_start = 0; + priv->default_sample = TRUE; +} + +static GstFlowReturn +_cogl_gst_video_sink_render (GstBaseSink *bsink, + GstBuffer *buffer) +{ + CoglGstVideoSink *sink = COGL_GST_VIDEO_SINK (bsink); + CoglGstVideoSinkPrivate *priv = sink->priv; + CoglGstSource *gst_source = priv->source; + + g_mutex_lock (&gst_source->buffer_lock); + + if (G_UNLIKELY (priv->flow_return != GST_FLOW_OK)) + goto dispatch_flow_ret; + + if (gst_source->buffer) + gst_buffer_unref (gst_source->buffer); + + gst_source->buffer = gst_buffer_ref (buffer); + g_mutex_unlock (&gst_source->buffer_lock); + + g_main_context_wakeup (NULL); + + return GST_FLOW_OK; + + dispatch_flow_ret: + { + g_mutex_unlock (&gst_source->buffer_lock); + return priv->flow_return; + } +} + +static void +cogl_gst_video_sink_dispose (GObject *object) +{ + CoglGstVideoSink *self; + CoglGstVideoSinkPrivate *priv; + + self = COGL_GST_VIDEO_SINK (object); + priv = self->priv; + + clear_frame_textures (self); + + if (priv->pipeline) + { + cogl_object_unref (priv->pipeline); + priv->pipeline = NULL; + } + + if (priv->caps) + { + gst_caps_unref (priv->caps); + priv->caps = NULL; + } + + G_OBJECT_CLASS (cogl_gst_video_sink_parent_class)->dispose (object); +} + +static void +cogl_gst_video_sink_finalize (GObject *object) +{ + CoglGstVideoSink *self = COGL_GST_VIDEO_SINK (object); + + cogl_gst_video_sink_set_context (self, NULL); + + G_OBJECT_CLASS (cogl_gst_video_sink_parent_class)->finalize (object); +} + +static CoglBool +cogl_gst_video_sink_start (GstBaseSink *base_sink) +{ + CoglGstVideoSink *sink = COGL_GST_VIDEO_SINK (base_sink); + CoglGstVideoSinkPrivate *priv = sink->priv; + + priv->source = cogl_gst_source_new (sink); + g_source_attach ((GSource *) priv->source, NULL); + priv->flow_return = GST_FLOW_OK; + return TRUE; +} + +static void +cogl_gst_video_sink_set_property (GObject *object, + unsigned int prop_id, + const GValue *value, + GParamSpec *pspec) +{ + CoglGstVideoSink *sink = COGL_GST_VIDEO_SINK (object); + + switch (prop_id) + { + case PROP_UPDATE_PRIORITY: + cogl_gst_video_sink_set_priority (sink, g_value_get_int (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +cogl_gst_video_sink_get_property (GObject *object, + unsigned int prop_id, + GValue *value, + GParamSpec *pspec) +{ + CoglGstVideoSink *sink = COGL_GST_VIDEO_SINK (object); + CoglGstVideoSinkPrivate *priv = sink->priv; + + switch (prop_id) + { + case PROP_UPDATE_PRIORITY: + g_value_set_int (value, g_source_get_priority ((GSource *) priv->source)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static CoglBool +cogl_gst_video_sink_stop (GstBaseSink *base_sink) +{ + CoglGstVideoSink *sink = COGL_GST_VIDEO_SINK (base_sink); + CoglGstVideoSinkPrivate *priv = sink->priv; + + if (priv->source) + { + GSource *source = (GSource *) priv->source; + g_source_destroy (source); + g_source_unref (source); + priv->source = NULL; + } + + return TRUE; +} + +static void +cogl_gst_video_sink_class_init (CoglGstVideoSinkClass *klass) +{ + GObjectClass *go_class = G_OBJECT_CLASS (klass); + GstBaseSinkClass *gb_class = GST_BASE_SINK_CLASS (klass); + GstElementClass *ge_class = GST_ELEMENT_CLASS (klass); + GstPadTemplate *pad_template; + GParamSpec *pspec; + + g_type_class_add_private (klass, sizeof (CoglGstVideoSinkPrivate)); + go_class->set_property = cogl_gst_video_sink_set_property; + go_class->get_property = cogl_gst_video_sink_get_property; + go_class->dispose = cogl_gst_video_sink_dispose; + go_class->finalize = cogl_gst_video_sink_finalize; + + pad_template = gst_static_pad_template_get (&sinktemplate_all); + gst_element_class_add_pad_template (ge_class, pad_template); + + gst_element_class_set_metadata (ge_class, + "Cogl video sink", "Sink/Video", + "Sends video data from GStreamer to a " + "Cogl pipeline", + "Jonathan Matthew , " + "Matthew Allum , " + "Plamena Manolova " + ""); + + gb_class->render = _cogl_gst_video_sink_render; + gb_class->preroll = _cogl_gst_video_sink_render; + gb_class->start = cogl_gst_video_sink_start; + gb_class->stop = cogl_gst_video_sink_stop; + gb_class->set_caps = cogl_gst_video_sink_set_caps; + gb_class->get_caps = cogl_gst_video_sink_get_caps; + + pspec = g_param_spec_int ("update-priority", + "Update Priority", + "Priority of video updates in the thread", + -G_MAXINT, G_MAXINT, + COGL_GST_DEFAULT_PRIORITY, + COGL_GST_PARAM_READWRITE); + + g_object_class_install_property (go_class, PROP_UPDATE_PRIORITY, pspec); + + video_sink_signals[PIPELINE_READY_SIGNAL] = + g_signal_new ("pipeline-ready", + COGL_GST_TYPE_VIDEO_SINK, + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (CoglGstVideoSinkClass, pipeline_ready), + NULL, /* accumulator */ + NULL, /* accu_data */ + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, + 0 /* n_params */); + + video_sink_signals[NEW_FRAME_SIGNAL] = + g_signal_new ("new-frame", + COGL_GST_TYPE_VIDEO_SINK, + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (CoglGstVideoSinkClass, new_frame), + NULL, /* accumulator */ + NULL, /* accu_data */ + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, + 0 /* n_params */); +} + +CoglGstVideoSink * +cogl_gst_video_sink_new (CoglContext *ctx) +{ + CoglGstVideoSink *sink = g_object_new (COGL_GST_TYPE_VIDEO_SINK, NULL); + cogl_gst_video_sink_set_context (sink, ctx); + + return sink; +} + +float +cogl_gst_video_sink_get_aspect (CoglGstVideoSink *vt) +{ + GstVideoInfo *info; + + g_return_val_if_fail (COGL_GST_IS_VIDEO_SINK (vt), 0.); + + info = &vt->priv->info; + return ((float)info->width * (float)info->par_n) / + ((float)info->height * (float)info->par_d); +} + +float +cogl_gst_video_sink_get_width_for_height (CoglGstVideoSink *vt, + float height) +{ + float aspect; + + g_return_val_if_fail (COGL_GST_IS_VIDEO_SINK (vt), 0.); + + aspect = cogl_gst_video_sink_get_aspect (vt); + return height * aspect; +} + +float +cogl_gst_video_sink_get_height_for_width (CoglGstVideoSink *vt, + float width) +{ + float aspect; + + g_return_val_if_fail (COGL_GST_IS_VIDEO_SINK (vt), 0.); + + aspect = cogl_gst_video_sink_get_aspect (vt); + return width / aspect; +} + +void +cogl_gst_video_sink_fit_size (CoglGstVideoSink *vt, + const CoglGstRectangle *available, + CoglGstRectangle *output) +{ + g_return_if_fail (COGL_GST_IS_VIDEO_SINK (vt)); + g_return_if_fail (available != NULL); + g_return_if_fail (output != NULL); + + if (available->height == 0.0f) + { + output->x = available->x; + output->y = available->y; + output->width = output->height = 0; + } + else + { + float available_aspect = available->width / available->height; + float video_aspect = cogl_gst_video_sink_get_aspect (vt); + + if (video_aspect > available_aspect) + { + output->width = available->width; + output->height = available->width / video_aspect; + output->x = available->x; + output->y = available->y + (available->height - output->height) / 2; + } + else + { + output->width = available->height * video_aspect; + output->height = available->height; + output->x = available->x + (available->width - output->width) / 2; + output->y = available->y; + } + } +} + +void +cogl_gst_video_sink_get_natural_size (CoglGstVideoSink *vt, + float *width, + float *height) +{ + GstVideoInfo *info; + + g_return_if_fail (COGL_GST_IS_VIDEO_SINK (vt)); + + info = &vt->priv->info; + + if (info->par_n > info->par_d) + { + /* To display the video at the right aspect ratio then in this + * case the pixels need to be stretched horizontally and so we + * use the unscaled height as our reference. + */ + + if (height) + *height = info->height; + if (width) + *width = cogl_gst_video_sink_get_width_for_height (vt, info->height); + } + else + { + if (width) + *width = info->width; + if (height) + *height = cogl_gst_video_sink_get_height_for_width (vt, info->width); + } +} + +float +cogl_gst_video_sink_get_natural_width (CoglGstVideoSink *vt) +{ + float width; + cogl_gst_video_sink_get_natural_size (vt, &width, NULL); + return width; +} + +float +cogl_gst_video_sink_get_natural_height (CoglGstVideoSink *vt) +{ + float height; + cogl_gst_video_sink_get_natural_size (vt, NULL, &height); + return height; +} + +CoglBool +cogl_gst_video_sink_is_ready (CoglGstVideoSink *sink) +{ + return !!sink->priv->renderer; +} diff --git a/cogl-gst/cogl-gst-video-sink.h b/cogl-gst/cogl-gst-video-sink.h new file mode 100644 index 0000000..12a6480 --- /dev/null +++ b/cogl-gst/cogl-gst-video-sink.h @@ -0,0 +1,533 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007, 2008 OpenedHand + * Copyright (C) 2009, 2010, 2013 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_GST_VIDEO_SINK_H__ +#define __COGL_GST_VIDEO_SINK_H__ +#include +#include + +/* We just need the public Cogl api for cogl-gst but we first need to + * undef COGL_COMPILATION to avoid getting an error that normally + * checks cogl.h isn't used internally. */ +#ifdef COGL_COMPILATION +#undef COGL_COMPILATION +#endif + +#include + +#include + +/** + * SECTION:cogl-gst-video-sink + * @short_description: A video sink for integrating a GStreamer + * pipeline with a Cogl pipeline. + * + * #CoglGstVideoSink is a subclass of #GstBaseSink which can be used to + * create a #CoglPipeline for rendering the frames of the video. + * + * To create a basic video player, an application can create a + * #GstPipeline as normal using gst_pipeline_new() and set the + * sink on it to one created with cogl_gst_video_sink_new(). The + * application can then listen for the #CoglGstVideoSink::new-frame + * signal which will be emitted whenever there are new textures ready + * for rendering. For simple rendering, the application can just call + * cogl_gst_video_sink_get_pipeline() in the signal handler and use + * the returned pipeline to paint the new frame. + * + * An application is also free to do more advanced rendering by + * customizing the pipeline. In that case it should listen for the + * #CoglGstVideoSink::pipeline-ready signal which will be emitted as + * soon as the sink has determined enough information about the video + * to know how it should be rendered. In the handler for this signal, + * the application can either make modifications to a copy of the + * pipeline returned by cogl_gst_video_sink_get_pipeline() or it can + * create its own pipeline from scratch and ask the sink to configure + * it with cogl_gst_video_sink_setup_pipeline(). If a custom pipeline + * is created using one of these methods then the application should + * call cogl_gst_video_sink_attach_frame() on the pipeline before + * rendering in order to update the textures on the pipeline's layers. + * + * If the %COGL_FEATURE_ID_GLSL feature is available then the pipeline + * used by the sink will have a shader snippet with a function in it + * called cogl_gst_sample_video0 which takes a single vec2 argument. + * This can be used by custom snippets set the by the application to + * sample from the video. The vec2 argument represents the normalised + * coordinates within the video. The function returns a vec4 + * containing a pre-multiplied RGBA color of the pixel within the + * video. + * + * Since: 1.16 + */ + +G_BEGIN_DECLS + +#define COGL_GST_GTYPE_DECLARE_TYPE(name) \ + GType cogl_gst_ ## name ## _get_gtype (void) + + +#define COGL_GST_TYPE_VIDEO_SINK cogl_gst_video_sink_get_type() + +#define COGL_GST_VIDEO_SINK(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST ((obj), \ + COGL_GST_TYPE_VIDEO_SINK, CoglGstVideoSink)) + +#define COGL_GST_VIDEO_SINK_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST ((klass), \ + COGL_GST_TYPE_VIDEO_SINK, CoglGstVideoSinkClass)) + +#define COGL_GST_IS_VIDEO_SINK(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \ + COGL_GST_TYPE_VIDEO_SINK)) + +#define COGL_GST_IS_VIDEO_SINK_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE ((klass), \ + COGL_GST_TYPE_VIDEO_SINK)) + +#define COGL_GST_VIDEO_SINK_GET_CLASS(obj) \ + (G_TYPE_INSTANCE_GET_CLASS ((obj), \ + COGL_GST_TYPE_VIDEO_SINK, CoglGstVideoSinkClass)) + +typedef struct _CoglGstVideoSink CoglGstVideoSink; +typedef struct _CoglGstVideoSinkClass CoglGstVideoSinkClass; +typedef struct _CoglGstVideoSinkPrivate CoglGstVideoSinkPrivate; + +/** + * CoglGstVideoSink: + * + * The #CoglGstVideoSink structure contains only private data and + * should be accessed using the provided API. + * + * Since: 1.16 + */ +struct _CoglGstVideoSink +{ + /*< private >*/ + GstBaseSink parent; + CoglGstVideoSinkPrivate *priv; +}; + +/** + * CoglGstVideoSinkClass: + * @new_frame: handler for the #CoglGstVideoSink::new-frame signal + * @pipeline_ready: handler for the #CoglGstVideoSink::pipeline-ready signal + * + * Since: 1.16 + */ + +/** + * CoglGstVideoSink::new-frame: + * @sink: the #CoglGstVideoSink + * + * The sink will emit this signal whenever there are new textures + * available for a new frame of the video. After this signal is + * emitted, an application can call cogl_gst_video_sink_get_pipeline() + * to get a pipeline suitable for rendering the frame. If the + * application is using a custom pipeline it can alternatively call + * cogl_gst_video_sink_attach_frame() to attach the textures. + * + * Since: 1.16 + */ + +/** + * CoglGstVideoSink::pipeline-ready: + * @sink: the #CoglGstVideoSink + * + * The sink will emit this signal as soon as it has gathered enough + * information from the video to configure a pipeline. If the + * application wants to do some customized rendering, it can setup its + * pipeline after this signal is emitted. The application's pipeline + * will typically either be a copy of the one returned by + * cogl_gst_video_sink_get_pipeline() or it can be a completely custom + * pipeline which is setup using cogl_gst_video_sink_setup_pipeline(). + * + * Note that it is an error to call either of those functions before + * this signal is emitted. The #CoglGstVideoSink::new-frame signal + * will only be emitted after the pipeline is ready so the application + * could also create its pipeline in the handler for that. + * + * Since: 1.16 + */ + +struct _CoglGstVideoSinkClass +{ + /*< private >*/ + GstBaseSinkClass parent_class; + + /*< public >*/ + void (* new_frame) (CoglGstVideoSink *sink); + void (* pipeline_ready) (CoglGstVideoSink *sink); + + /*< private >*/ + void *_padding_dummy[8]; +}; + +GType +cogl_gst_video_sink_get_type (void) G_GNUC_CONST; + +/** + * cogl_gst_video_sink_new: + * @ctx: The #CoglContext + * + * Creates a new #CoglGstVideoSink which will create resources for use + * with the given context. + * + * Return value: (transfer full): a new #CoglGstVideoSink + * Since: 1.16 + */ +CoglGstVideoSink * +cogl_gst_video_sink_new (CoglContext *ctx); + +/** + * cogl_gst_video_sink_is_ready: + * @sink: The #CoglGstVideoSink + * + * Returns whether the pipeline is ready and so + * cogl_gst_video_sink_get_pipeline() and + * cogl_gst_video_sink_setup_pipeline() can be called without causing error. + * + * Note: Normally an application will wait until the + * #CoglGstVideoSink::pipeline-ready signal is emitted instead of + * polling the ready status with this api, but sometimes when a sink + * is passed between components that didn't have an opportunity to + * connect a signal handler this can be useful. + * + * Return value: %TRUE if the sink is ready, else %FALSE + * Since: 1.16 + */ +CoglBool +cogl_gst_video_sink_is_ready (CoglGstVideoSink *sink); + +/** + * cogl_gst_video_sink_get_pipeline: + * @vt: The #CoglGstVideoSink + * + * Returns a pipeline suitable for rendering the current frame of the + * given video sink. The pipeline will already have the textures for + * the frame attached. For simple rendering, an application will + * typically call this function immediately before it paints the + * video. It can then just paint a rectangle using the returned + * pipeline. + * + * An application is free to make a copy of this + * pipeline and modify it for custom rendering. + * + * Note: it is considered an error to call this function before the + * #CoglGstVideoSink::pipeline-ready signal is emitted. + * + * Return value: (transfer none): the pipeline for rendering the + * current frame + * Since: 1.16 + */ +CoglPipeline * +cogl_gst_video_sink_get_pipeline (CoglGstVideoSink *vt); + +/** + * cogl_gst_video_sink_set_context: + * @vt: The #CoglGstVideoSink + * @ctx: The #CoglContext for the sink to use + * + * Sets the #CoglContext that the video sink should use for creating + * any resources. This function would normally only be used if the + * sink was constructed via gst_element_factory_make() instead of + * cogl_gst_video_sink_new(). + * + * Since: 1.16 + */ +void +cogl_gst_video_sink_set_context (CoglGstVideoSink *vt, + CoglContext *ctx); + +/** + * cogl_gst_video_sink_get_free_layer: + * @sink: The #CoglGstVideoSink + * + * This can be used when doing specialised rendering of the video by + * customizing the pipeline. #CoglGstVideoSink may use up to three + * private layers on the pipeline in order to attach the textures of + * the video frame. This function will return the index of the next + * available unused layer after the sink's internal layers. This can + * be used by the application to add additional layers, for example to + * blend in another color in the fragment processing. + * + * Return value: the index of the next available layer after the + * sink's internal layers. + * Since: 1.16 + */ +int +cogl_gst_video_sink_get_free_layer (CoglGstVideoSink *sink); + +/** + * cogl_gst_video_sink_attach_frame: + * @sink: The #CoglGstVideoSink + * @pln: A #CoglPipeline + * + * Updates the given pipeline with the textures for the current frame. + * This can be used if the application wants to customize the + * rendering using its own pipeline. Typically this would be called in + * response to the #CoglGstVideoSink::new-frame signal which is + * emitted whenever the new textures are available. The application + * would then make a copy of its template pipeline and call this to + * set the textures. + * + * Since: 1.16 + */ +void +cogl_gst_video_sink_attach_frame (CoglGstVideoSink *sink, + CoglPipeline *pln); + +/** + * cogl_gst_video_sink_set_first_layer: + * @sink: The #CoglGstVideoSink + * @first_layer: The new first layer + * + * Sets the index of the first layer that the sink will use for its + * rendering. This is useful if the application wants to have custom + * layers that appear before the layers added by the sink. In that + * case by default the sink's layers will be modulated with the result + * of the application's layers that come before @first_layer. + * + * Note that if this function is called then the name of the function + * to call in the shader snippets to sample the video will also + * change. For example, if @first_layer is three then the function + * will be cogl_gst_sample_video3. + * + * Since: 1.16 + */ +void +cogl_gst_video_sink_set_first_layer (CoglGstVideoSink *sink, + int first_layer); + +/** + * cogl_gst_video_sink_set_default_sample: + * @sink: The #CoglGstVideoSink + * @default_sample: Whether to add the default sampling + * + * By default the pipeline generated by + * cogl_gst_video_sink_setup_pipeline() and + * cogl_gst_video_sink_get_pipeline() will have a layer with a shader + * snippet that automatically samples the video. If the application + * wants to sample the video in a completely custom way using its own + * shader snippet it can set @default_sample to %FALSE to avoid this + * default snippet being added. In that case the application's snippet + * can call cogl_gst_sample_video0 to sample the texture itself. + * + * Since: 1.16 + */ +void +cogl_gst_video_sink_set_default_sample (CoglGstVideoSink *sink, + CoglBool default_sample); + +/** + * cogl_gst_video_sink_setup_pipeline: + * @sink: The #CoglGstVideoSink + * @pipeline: A #CoglPipeline + * + * Configures the given pipeline so that will be able to render the + * video for the @sink. This should only be used if the application + * wants to perform some custom rendering using its own pipeline. + * Typically an application will call this in response to the + * #CoglGstVideoSink::pipeline-ready signal. + * + * Note: it is considered an error to call this function before the + * #CoglGstVideoSink::pipeline-ready signal is emitted. + * + * Since: 1.16 + */ +void +cogl_gst_video_sink_setup_pipeline (CoglGstVideoSink *sink, + CoglPipeline *pipeline); + +/** + * cogl_gst_video_sink_get_aspect: + * @sink: A #CoglGstVideoSink + * + * Returns a width-for-height aspect ratio that lets you calculate a + * suitable width for displaying your video based on a given height by + * multiplying your chosen height by the returned aspect ratio. + * + * This aspect ratio is calculated based on the underlying size of the + * video buffers and the current pixel-aspect-ratio. + * + * Return value: a width-for-height aspect ratio + * + * Since: 1.16 + * Stability: unstable + */ +float +cogl_gst_video_sink_get_aspect (CoglGstVideoSink *sink); + +/** + * cogl_gst_video_sink_get_width_for_height: + * @sink: A #CoglGstVideoSink + * @height: A specific output @height + * + * Calculates a suitable output width for a specific output @height + * that will maintain the video's aspect ratio. + * + * Return value: An output width for the given output @height. + * + * Since: 1.16 + * Stability: unstable + */ +float +cogl_gst_video_sink_get_width_for_height (CoglGstVideoSink *sink, + float height); + +/** + * cogl_gst_video_sink_get_height_for_width: + * @sink: A #CoglGstVideoSink + * @width: A specific output @width + * + * Calculates a suitable output height for a specific output @width + * that will maintain the video's aspect ratio. + * + * Return value: An output height for the given output @width. + * + * Since: 1.16 + * Stability: unstable + */ +float +cogl_gst_video_sink_get_height_for_width (CoglGstVideoSink *sink, + float width); + +/** + * cogl_gst_video_sink_get_natural_size: + * @sink: A #CoglGstVideoSink + * @width: (out): return location for the video's natural width + * @height: (out): return location for the video's natural height + * + * Considering the real resolution of the video as well as the aspect + * ratio of pixel data that may need to be stretched when being displayed; + * this function calculates what the natural size of the underlying + * video source is. + * + * The natural size has the correct aspect ratio for displaying the + * video and is the minimum size where downscaling is not required. + * + * This natural size is calculated assuming that the video will + * be displayed on square pixels. + * + * Since: 1.18 + * Stability: unstable + */ +void +cogl_gst_video_sink_get_natural_size (CoglGstVideoSink *sink, + float *width, + float *height); + +/** + * cogl_gst_video_sink_get_natural_width: + * @sink: A #CoglGstVideoSink + * + * Considering the real resolution of the video as well as the aspect + * ratio of pixel data that may need to be stretched when being displayed; + * this function calculates what the natural size of the underlying + * video source is, and returns its width. + * + * The natural size has the correct aspect ratio for displaying the + * video and is the minimum size where downscaling is not required. + * + * This natural size is calculated assuming that the video will + * be displayed on square pixels. + * + * Return value: The video's natural width + * + * Since: 1.18 + * Stability: unstable + */ +float +cogl_gst_video_sink_get_natural_width (CoglGstVideoSink *sink); + +/** + * cogl_gst_video_sink_get_natural_height: + * @sink: A #CoglGstVideoSink + * + * Considering the real resolution of the video as well as the aspect + * ratio of pixel data that may need to be stretched when being displayed; + * this function calculates what the natural size of the underlying + * video source is, and returns its height. + * + * The natural size has the correct aspect ratio for displaying the + * video and is the minimum size where downscaling is not required. + * + * This natural size is calculated assuming that the video will + * be displayed on square pixels. + * + * Return value: The video's natural height + * + * Since: 1.18 + * Stability: unstable + */ +float +cogl_gst_video_sink_get_natural_height (CoglGstVideoSink *sink); + +/** + * CoglGstRectangle: + * @x: The X coordinate of the top left of the rectangle + * @y: The Y coordinate of the top left of the rectangle + * @width: The width of the rectangle + * @height: The height of the rectangle + * + * Describes a rectangle that can be used for video output. + */ +typedef struct _CoglGstRectangle +{ + float x; + float y; + float width; + float height; +} CoglGstRectangle; + +COGL_GST_GTYPE_DECLARE_TYPE (rectangle); + +/** + * cogl_gst_video_sink_fit_size: + * @sink: A #CoglGstVideoSink + * @available: (in): The space available for video output + * @output: (inout): The return location for the calculated output position + * + * Calculates a suitable @output rectangle that can fit inside the + * @available space while maintaining the aspect ratio of the current + * video. + * + * Applications would typically use this api for "letterboxing" by + * using this api to position a video inside a fixed screen space and + * filling the remaining space with black borders. + * + * Since: 1.16 + * Stability: unstable + */ +void +cogl_gst_video_sink_fit_size (CoglGstVideoSink *sink, + const CoglGstRectangle *available, + CoglGstRectangle *output); + +G_END_DECLS + +#endif diff --git a/cogl-gst/cogl-gst.h b/cogl-gst/cogl-gst.h new file mode 100644 index 0000000..ea14865 --- /dev/null +++ b/cogl-gst/cogl-gst.h @@ -0,0 +1,35 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007, 2008 OpenedHand + * Copyright (C) 2009, 2010, 2013 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_GST_H__ +#define __COGL_GST_H__ + +#include + +#endif diff --git a/cogl-gst/cogl-gst.pc.in b/cogl-gst/cogl-gst.pc.in new file mode 100644 index 0000000..f47e847 --- /dev/null +++ b/cogl-gst/cogl-gst.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=@COGL_API_VERSION@ +requires=@COGL_PKG_REQUIRES@ @COGL_GST_PKG_REQUIRES@ + +Name: Cogl +Description: A gstreamer integration library for Cogl +Version: @COGL_VERSION@ +Libs: -L${libdir} -lcogl-gst +Cflags: -I${includedir}/cogl -DCOGL_ENABLE_EXPERIMENTAL_2_0_API +Requires: ${requires} diff --git a/cogl-pango/Makefile.am b/cogl-pango/Makefile.am new file mode 100644 index 0000000..64d9771 --- /dev/null +++ b/cogl-pango/Makefile.am @@ -0,0 +1,144 @@ +include $(top_srcdir)/build/autotools/Makefile.am.silent + +NULL = + +CLEANFILES = +DISTCLEANFILES = + +EXTRA_DIST = + +source_c = \ + cogl-pango-display-list.c \ + cogl-pango-fontmap.c \ + cogl-pango-render.c \ + cogl-pango-glyph-cache.c \ + cogl-pango-pipeline-cache.c \ + $(NULL) + +source_h = cogl-pango.h + +source_h_priv = \ + cogl-pango-display-list.h \ + cogl-pango-private.h \ + cogl-pango-glyph-cache.h \ + cogl-pango-pipeline-cache.h \ + $(NULL) + +lib_LTLIBRARIES = libcogl-pango.la + +libcogl_pango_la_SOURCES = $(source_c) $(source_h) $(source_h_priv) +libcogl_pango_la_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_PANGO_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS) $(MAINTAINER_CFLAGS) +libcogl_pango_la_LIBADD = $(top_builddir)/cogl/libcogl.la +libcogl_pango_la_LIBADD += $(COGL_DEP_LIBS) $(COGL_PANGO_DEP_LIBS) $(COGL_EXTRA_LDFLAGS) +libcogl_pango_la_LDFLAGS = \ + -export-dynamic \ + -export-symbols-regex "^cogl_pango_.*" \ + -no-undefined \ + -version-info @COGL_LT_CURRENT@:@COGL_LT_REVISION@:@COGL_LT_AGE@ + +AM_CPPFLAGS = \ + -DCOGL_COMPILATION \ + -DG_LOG_DOMAIN=\"CoglPango\" \ + -I$(top_srcdir)/cogl \ + -I$(top_builddir)/cogl \ + -I$(top_srcdir)/cogl/winsys \ + -I$(top_srcdir) \ + -I$(top_builddir) + +cogl_pangoheadersdir = $(includedir)/cogl/cogl-pango +cogl_pangoheaders_HEADERS = $(source_h) + +pc_files = cogl-pango-1.0.pc \ + cogl-pango-$(COGL_API_VERSION)-experimental.pc + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = $(pc_files) + +EXTRA_DIST += cogl-pango.pc.in +DISTCLEANFILES += $(pc_files) + +dist-hook: ../build/win32/vs9/cogl-pango.vcproj ../build/win32/vs10/cogl-pango.vcxproj ../build/win32/vs10/cogl-pango.vcxproj.filters + +../build/win32/vs9/cogl-pango.vcproj: $(top_srcdir)/build/win32/vs9/cogl-pango.vcprojin + for F in $(source_c); do \ + case $$F in \ + *.c) echo ' ' \ + ;; \ + esac; \ + done >coglpango.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs9/cogl-pango.vcprojin >$@ + rm coglpango.sourcefiles + +../build/win32/vs10/cogl-pango.vcxproj: $(top_srcdir)/build/win32/vs10/cogl-pango.vcxprojin + for F in $(source_c); do \ + case $$F in \ + *.c) echo ' ' \ + ;; \ + esac; \ + done >coglpango.vs10.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/cogl-pango.vcxprojin >$@ + rm coglpango.vs10.sourcefiles + +../build/win32/vs10/cogl-pango.vcxproj.filters: $(top_srcdir)/build/win32/vs10/cogl-pango.vcxproj.filtersin + for F in $(source_c); do \ + case $$F in \ + *.c) echo ' Sources' \ + ;; \ + esac; \ + done >coglpango.vs10.sourcefiles.filters + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/cogl-pango.vcxproj.filtersin >$@ + rm coglpango.vs10.sourcefiles.filters + +EXTRA_DIST += cogl-pango.symbols cogl-pango.rc.in cogl-pango.rc + +DISTCLEANFILES += ../build/win32/vs9/cogl-pango.vcproj ../build/win32/vs10/cogl-pango.vcxproj ../build/win32/vs10/cogl-pango.vcxproj.filters cogl-pango.rc + +-include $(INTROSPECTION_MAKEFILE) + +INTROSPECTION_GIRS = + +if HAVE_INTROSPECTION +INTROSPECTION_COMPILER_ARGS=--includedir=$(top_builddir)/cogl + +CoglPango-1.0.gir: libcogl-pango.la Makefile + +CoglPango_1_0_gir_NAMESPACE = CoglPango +CoglPango_1_0_gir_VERSION = 1.0 +CoglPango_1_0_gir_LIBS = $(top_builddir)/cogl/libcogl.la libcogl-pango.la +CoglPango_1_0_gir_FILES = $(source_h) $(source_c) +CoglPango_1_0_gir_CFLAGS = $(AM_CPPFLAGS) $(COGL_DEP_CFLAGS) $(COGL_PANGO_DEP_CFLAGS) +CoglPango_1_0_gir_INCLUDES = Pango-1.0 PangoCairo-1.0 +CoglPango_1_0_gir_EXPORT_PACKAGES = cogl-pango-1.0 +CoglPango_1_0_gir_SCANNERFLAGS = \ + --warn-all \ + --identifier-prefix=CoglPango \ + --symbol-prefix=cogl_pango \ + --c-include='cogl-pango/cogl-pango.h' \ + --include-uninstalled=$(top_builddir)/cogl/Cogl-1.0.gir + +CoglPango-2.0.gir: libcogl-pango.la Makefile + +CoglPango_2_0_gir_NAMESPACE = CoglPango +CoglPango_2_0_gir_VERSION = 2.0 +CoglPango_2_0_gir_LIBS = $(top_builddir)/cogl/libcogl.la libcogl-pango.la +CoglPango_2_0_gir_FILES = $(source_h) $(source_c) +CoglPango_2_0_gir_CFLAGS = $(AM_CPPFLAGS) $(COGL_DEP_CFLAGS) $(COGL_PANGO_DEP_CFLAGS) +CoglPango_2_0_gir_INCLUDES = Pango-1.0 PangoCairo-1.0 +CoglPango_2_0_gir_EXPORT_PACKAGES = cogl-pango-2.0-experimental +CoglPango_2_0_gir_SCANNERFLAGS = \ + --warn-all \ + --identifier-prefix=CoglPango \ + --symbol-prefix=cogl_pango \ + --c-include='cogl-pango/cogl-pango.h' \ + --include-uninstalled=$(top_builddir)/cogl/Cogl-2.0.gir + +INTROSPECTION_GIRS += CoglPango-1.0.gir CoglPango-2.0.gir + +girdir = $(datadir)/gir-1.0 +gir_DATA = $(INTROSPECTION_GIRS) + +typelibdir = $(libdir)/girepository-1.0 +typelib_DATA = $(INTROSPECTION_GIRS:.gir=.typelib) + +CLEANFILES += $(gir_DATA) $(typelib_DATA) +endif diff --git a/cogl-pango/Makefile.in b/cogl-pango/Makefile.in new file mode 100644 index 0000000..e17383e --- /dev/null +++ b/cogl-pango/Makefile.in @@ -0,0 +1,1079 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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+ +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-cogl_pangoheadersHEADERS uninstall-girDATA \ + uninstall-libLTLIBRARIES uninstall-pkgconfigDATA \ + uninstall-typelibDATA + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \ + clean-libLTLIBRARIES clean-libtool cscopelist-am ctags \ + ctags-am dist-hook distclean distclean-compile \ + distclean-generic distclean-libtool distclean-tags distdir dvi \ + dvi-am html html-am info info-am install install-am \ + install-cogl_pangoheadersHEADERS install-data install-data-am \ + install-dvi install-dvi-am install-exec install-exec-am \ + install-girDATA install-html install-html-am install-info \ + install-info-am install-libLTLIBRARIES install-man install-pdf \ + install-pdf-am install-pkgconfigDATA install-ps install-ps-am \ + install-strip install-typelibDATA installcheck installcheck-am \ + installdirs maintainer-clean maintainer-clean-generic \ + mostlyclean mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \ + uninstall-am uninstall-cogl_pangoheadersHEADERS \ + uninstall-girDATA uninstall-libLTLIBRARIES \ + uninstall-pkgconfigDATA uninstall-typelibDATA + + +dist-hook: ../build/win32/vs9/cogl-pango.vcproj ../build/win32/vs10/cogl-pango.vcxproj ../build/win32/vs10/cogl-pango.vcxproj.filters + +../build/win32/vs9/cogl-pango.vcproj: $(top_srcdir)/build/win32/vs9/cogl-pango.vcprojin + for F in $(source_c); do \ + case $$F in \ + *.c) echo ' ' \ + ;; \ + esac; \ + done >coglpango.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs9/cogl-pango.vcprojin >$@ + rm coglpango.sourcefiles + +../build/win32/vs10/cogl-pango.vcxproj: $(top_srcdir)/build/win32/vs10/cogl-pango.vcxprojin + for F in $(source_c); do \ + case $$F in \ + *.c) echo ' ' \ + ;; \ + esac; \ + done >coglpango.vs10.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/cogl-pango.vcxprojin >$@ + rm coglpango.vs10.sourcefiles + +../build/win32/vs10/cogl-pango.vcxproj.filters: $(top_srcdir)/build/win32/vs10/cogl-pango.vcxproj.filtersin + for F in $(source_c); do \ + case $$F in \ + *.c) echo ' Sources' \ + ;; \ + esac; \ + done >coglpango.vs10.sourcefiles.filters + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/cogl-pango.vcxproj.filtersin >$@ + rm coglpango.vs10.sourcefiles.filters + +-include $(INTROSPECTION_MAKEFILE) + +@HAVE_INTROSPECTION_TRUE@CoglPango-1.0.gir: libcogl-pango.la Makefile + +@HAVE_INTROSPECTION_TRUE@CoglPango-2.0.gir: libcogl-pango.la Makefile + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/cogl-pango/cogl-pango-1.0.pc.in b/cogl-pango/cogl-pango-1.0.pc.in new file mode 100644 index 0000000..e105de9 --- /dev/null +++ b/cogl-pango/cogl-pango-1.0.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=1.0 +requires=@COGL_PKG_REQUIRES@ cogl-1.0 + +Name: Cogl +Description: An object oriented GL/GLES Abstraction/Utility Layer +Version: @COGL_1_VERSION@ +Libs: -L${libdir} -lcogl-pango +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl-pango/cogl-pango-2.0-experimental.pc.in b/cogl-pango/cogl-pango-2.0-experimental.pc.in new file mode 100644 index 0000000..98eb16a --- /dev/null +++ b/cogl-pango/cogl-pango-2.0-experimental.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=@COGL_API_VERSION@ +requires=@COGL_PKG_REQUIRES@ cogl-2.0-experimental + +Name: Cogl +Description: An object oriented GL/GLES Abstraction/Utility Layer +Version: @COGL_1_VERSION@ +Libs: -L${libdir} -lcoglpango +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl-pango/cogl-pango-display-list.c b/cogl-pango/cogl-pango-display-list.c new file mode 100644 index 0000000..6967ab0 --- /dev/null +++ b/cogl-pango/cogl-pango-display-list.c @@ -0,0 +1,499 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include "cogl-pango-display-list.h" +#include "cogl-pango-pipeline-cache.h" +#include "cogl/cogl-context-private.h" + +typedef enum +{ + COGL_PANGO_DISPLAY_LIST_TEXTURE, + COGL_PANGO_DISPLAY_LIST_RECTANGLE, + COGL_PANGO_DISPLAY_LIST_TRAPEZOID +} CoglPangoDisplayListNodeType; + +typedef struct _CoglPangoDisplayListNode CoglPangoDisplayListNode; +typedef struct _CoglPangoDisplayListRectangle CoglPangoDisplayListRectangle; + +struct _CoglPangoDisplayList +{ + CoglBool color_override; + CoglColor color; + GSList *nodes; + GSList *last_node; + CoglPangoPipelineCache *pipeline_cache; +}; + +/* This matches the format expected by cogl_rectangles_with_texture_coords */ +struct _CoglPangoDisplayListRectangle +{ + float x_1, y_1, x_2, y_2; + float s_1, t_1, s_2, t_2; +}; + +struct _CoglPangoDisplayListNode +{ + CoglPangoDisplayListNodeType type; + + CoglBool color_override; + CoglColor color; + + CoglPipeline *pipeline; + + union + { + struct + { + /* The texture to render these coords from */ + CoglTexture *texture; + /* Array of rectangles in the format expected by + cogl_rectangles_with_texture_coords */ + GArray *rectangles; + /* A primitive representing those vertices */ + CoglPrimitive *primitive; + } texture; + + struct + { + float x_1, y_1; + float x_2, y_2; + } rectangle; + + struct + { + CoglPrimitive *primitive; + } trapezoid; + } d; +}; + +CoglPangoDisplayList * +_cogl_pango_display_list_new (CoglPangoPipelineCache *pipeline_cache) +{ + CoglPangoDisplayList *dl = g_slice_new0 (CoglPangoDisplayList); + + dl->pipeline_cache = pipeline_cache; + + return dl; +} + +static void +_cogl_pango_display_list_append_node (CoglPangoDisplayList *dl, + CoglPangoDisplayListNode *node) +{ + if (dl->last_node) + dl->last_node = dl->last_node->next = g_slist_prepend (NULL, node); + else + dl->last_node = dl->nodes = g_slist_prepend (NULL, node); +} + +void +_cogl_pango_display_list_set_color_override (CoglPangoDisplayList *dl, + const CoglColor *color) +{ + dl->color_override = TRUE; + dl->color = *color; +} + +void +_cogl_pango_display_list_remove_color_override (CoglPangoDisplayList *dl) +{ + dl->color_override = FALSE; +} + +void +_cogl_pango_display_list_add_texture (CoglPangoDisplayList *dl, + CoglTexture *texture, + float x_1, float y_1, + float x_2, float y_2, + float tx_1, float ty_1, + float tx_2, float ty_2) +{ + CoglPangoDisplayListNode *node; + CoglPangoDisplayListRectangle *rectangle; + + /* Add to the last node if it is a texture node with the same + target texture */ + if (dl->last_node + && (node = dl->last_node->data)->type == COGL_PANGO_DISPLAY_LIST_TEXTURE + && node->d.texture.texture == texture + && (dl->color_override + ? (node->color_override && cogl_color_equal (&dl->color, &node->color)) + : !node->color_override)) + { + /* Get rid of the vertex buffer so that it will be recreated */ + if (node->d.texture.primitive != NULL) + { + cogl_object_unref (node->d.texture.primitive); + node->d.texture.primitive = NULL; + } + } + else + { + /* Otherwise create a new node */ + node = g_slice_new (CoglPangoDisplayListNode); + + node->type = COGL_PANGO_DISPLAY_LIST_TEXTURE; + node->color_override = dl->color_override; + node->color = dl->color; + node->pipeline = NULL; + node->d.texture.texture = cogl_object_ref (texture); + node->d.texture.rectangles + = g_array_new (FALSE, FALSE, sizeof (CoglPangoDisplayListRectangle)); + node->d.texture.primitive = NULL; + + _cogl_pango_display_list_append_node (dl, node); + } + + g_array_set_size (node->d.texture.rectangles, + node->d.texture.rectangles->len + 1); + rectangle = &g_array_index (node->d.texture.rectangles, + CoglPangoDisplayListRectangle, + node->d.texture.rectangles->len - 1); + rectangle->x_1 = x_1; + rectangle->y_1 = y_1; + rectangle->x_2 = x_2; + rectangle->y_2 = y_2; + rectangle->s_1 = tx_1; + rectangle->t_1 = ty_1; + rectangle->s_2 = tx_2; + rectangle->t_2 = ty_2; +} + +void +_cogl_pango_display_list_add_rectangle (CoglPangoDisplayList *dl, + float x_1, float y_1, + float x_2, float y_2) +{ + CoglPangoDisplayListNode *node = g_slice_new (CoglPangoDisplayListNode); + + node->type = COGL_PANGO_DISPLAY_LIST_RECTANGLE; + node->color_override = dl->color_override; + node->color = dl->color; + node->d.rectangle.x_1 = x_1; + node->d.rectangle.y_1 = y_1; + node->d.rectangle.x_2 = x_2; + node->d.rectangle.y_2 = y_2; + node->pipeline = NULL; + + _cogl_pango_display_list_append_node (dl, node); +} + +void +_cogl_pango_display_list_add_trapezoid (CoglPangoDisplayList *dl, + float y_1, + float x_11, + float x_21, + float y_2, + float x_12, + float x_22) +{ + CoglContext *ctx = dl->pipeline_cache->ctx; + CoglPangoDisplayListNode *node = g_slice_new (CoglPangoDisplayListNode); + CoglVertexP2 vertices[4] = { + { x_11, y_1 }, + { x_12, y_2 }, + { x_22, y_2 }, + { x_21, y_1 } + }; + + node->type = COGL_PANGO_DISPLAY_LIST_TRAPEZOID; + node->color_override = dl->color_override; + node->color = dl->color; + node->pipeline = NULL; + + node->d.trapezoid.primitive = + cogl_primitive_new_p2 (ctx, + COGL_VERTICES_MODE_TRIANGLE_FAN, + 4, + vertices); + + _cogl_pango_display_list_append_node (dl, node); +} + +static void +emit_rectangles_through_journal (CoglFramebuffer *fb, + CoglPipeline *pipeline, + CoglPangoDisplayListNode *node) +{ + const float *rectangles = (const float *)node->d.texture.rectangles->data; + + cogl_framebuffer_draw_textured_rectangles (fb, + pipeline, + rectangles, + node->d.texture.rectangles->len); +} + +static void +emit_vertex_buffer_geometry (CoglFramebuffer *fb, + CoglPipeline *pipeline, + CoglPangoDisplayListNode *node) +{ + CoglContext *ctx = fb->context; + + /* It's expensive to go through the Cogl journal for large runs + * of text in part because the journal transforms the quads in software + * to avoid changing the modelview matrix. So for larger runs of text + * we load the vertices into a VBO, and this has the added advantage + * that if the text doesn't change from frame to frame the VBO can + * be re-used avoiding the repeated cost of validating the data and + * mapping it into the GPU... */ + + if (node->d.texture.primitive == NULL) + { + CoglAttributeBuffer *buffer; + CoglVertexP2T2 *verts, *v; + int n_verts; + CoglBool allocated = FALSE; + CoglAttribute *attributes[2]; + CoglPrimitive *prim; + int i; + + n_verts = node->d.texture.rectangles->len * 4; + + buffer + = cogl_attribute_buffer_new_with_size (ctx, + n_verts * + sizeof (CoglVertexP2T2)); + + if ((verts = cogl_buffer_map (COGL_BUFFER (buffer), + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD)) == NULL) + { + verts = g_new (CoglVertexP2T2, n_verts); + allocated = TRUE; + } + + v = verts; + + /* Copy the rectangles into the buffer and expand into four + vertices instead of just two */ + for (i = 0; i < node->d.texture.rectangles->len; i++) + { + const CoglPangoDisplayListRectangle *rectangle + = &g_array_index (node->d.texture.rectangles, + CoglPangoDisplayListRectangle, i); + + v->x = rectangle->x_1; + v->y = rectangle->y_1; + v->s = rectangle->s_1; + v->t = rectangle->t_1; + v++; + v->x = rectangle->x_1; + v->y = rectangle->y_2; + v->s = rectangle->s_1; + v->t = rectangle->t_2; + v++; + v->x = rectangle->x_2; + v->y = rectangle->y_2; + v->s = rectangle->s_2; + v->t = rectangle->t_2; + v++; + v->x = rectangle->x_2; + v->y = rectangle->y_1; + v->s = rectangle->s_2; + v->t = rectangle->t_1; + v++; + } + + if (allocated) + { + cogl_buffer_set_data (COGL_BUFFER (buffer), + 0, /* offset */ + verts, + sizeof (CoglVertexP2T2) * n_verts); + g_free (verts); + } + else + cogl_buffer_unmap (COGL_BUFFER (buffer)); + + attributes[0] = cogl_attribute_new (buffer, + "cogl_position_in", + sizeof (CoglVertexP2T2), + G_STRUCT_OFFSET (CoglVertexP2T2, x), + 2, /* n_components */ + COGL_ATTRIBUTE_TYPE_FLOAT); + attributes[1] = cogl_attribute_new (buffer, + "cogl_tex_coord0_in", + sizeof (CoglVertexP2T2), + G_STRUCT_OFFSET (CoglVertexP2T2, s), + 2, /* n_components */ + COGL_ATTRIBUTE_TYPE_FLOAT); + + prim = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES, + n_verts, + attributes, + 2 /* n_attributes */); + +#ifdef CLUTTER_COGL_HAS_GL + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_QUADS)) + cogl_primitive_set_mode (prim, GL_QUADS); + else +#endif + { + /* GLES doesn't support GL_QUADS so instead we use a VBO + with indexed vertices to generate GL_TRIANGLES from the + quads */ + + CoglIndices *indices = + cogl_get_rectangle_indices (ctx, node->d.texture.rectangles->len); + + cogl_primitive_set_indices (prim, indices, + node->d.texture.rectangles->len * 6); + } + + node->d.texture.primitive = prim; + + cogl_object_unref (buffer); + cogl_object_unref (attributes[0]); + cogl_object_unref (attributes[1]); + } + + cogl_primitive_draw (node->d.texture.primitive, + fb, + pipeline); +} + +static void +_cogl_framebuffer_draw_display_list_texture (CoglFramebuffer *fb, + CoglPipeline *pipeline, + CoglPangoDisplayListNode *node) +{ + /* For small runs of text like icon labels, we can get better performance + * going through the Cogl journal since text may then be batched together + * with other geometry. */ + /* FIXME: 25 is a number I plucked out of thin air; it would be good + * to determine this empirically! */ + if (node->d.texture.rectangles->len < 25) + emit_rectangles_through_journal (fb, pipeline, node); + else + emit_vertex_buffer_geometry (fb, pipeline, node); +} + +void +_cogl_pango_display_list_render (CoglFramebuffer *fb, + CoglPangoDisplayList *dl, + const CoglColor *color) +{ + GSList *l; + + for (l = dl->nodes; l; l = l->next) + { + CoglPangoDisplayListNode *node = l->data; + CoglColor draw_color; + + if (node->pipeline == NULL) + { + if (node->type == COGL_PANGO_DISPLAY_LIST_TEXTURE) + node->pipeline = + _cogl_pango_pipeline_cache_get (dl->pipeline_cache, + node->d.texture.texture); + else + node->pipeline = + _cogl_pango_pipeline_cache_get (dl->pipeline_cache, + NULL); + } + + if (node->color_override) + /* Use the override color but preserve the alpha from the + draw color */ + cogl_color_init_from_4ub (&draw_color, + cogl_color_get_red_byte (&node->color), + cogl_color_get_green_byte (&node->color), + cogl_color_get_blue_byte (&node->color), + cogl_color_get_alpha_byte (color)); + else + draw_color = *color; + cogl_color_premultiply (&draw_color); + + cogl_pipeline_set_color (node->pipeline, &draw_color); + + switch (node->type) + { + case COGL_PANGO_DISPLAY_LIST_TEXTURE: + _cogl_framebuffer_draw_display_list_texture (fb, node->pipeline, node); + break; + + case COGL_PANGO_DISPLAY_LIST_RECTANGLE: + cogl_framebuffer_draw_rectangle (fb, + node->pipeline, + node->d.rectangle.x_1, + node->d.rectangle.y_1, + node->d.rectangle.x_2, + node->d.rectangle.y_2); + break; + + case COGL_PANGO_DISPLAY_LIST_TRAPEZOID: + cogl_framebuffer_draw_primitive (fb, node->pipeline, + node->d.trapezoid.primitive); + break; + } + } +} + +static void +_cogl_pango_display_list_node_free (CoglPangoDisplayListNode *node) +{ + if (node->type == COGL_PANGO_DISPLAY_LIST_TEXTURE) + { + g_array_free (node->d.texture.rectangles, TRUE); + if (node->d.texture.texture != NULL) + cogl_object_unref (node->d.texture.texture); + if (node->d.texture.primitive != NULL) + cogl_object_unref (node->d.texture.primitive); + } + else if (node->type == COGL_PANGO_DISPLAY_LIST_TRAPEZOID) + cogl_object_unref (node->d.trapezoid.primitive); + + if (node->pipeline) + cogl_object_unref (node->pipeline); + + g_slice_free (CoglPangoDisplayListNode, node); +} + +void +_cogl_pango_display_list_clear (CoglPangoDisplayList *dl) +{ + g_slist_foreach (dl->nodes, (GFunc) _cogl_pango_display_list_node_free, NULL); + g_slist_free (dl->nodes); + dl->nodes = NULL; + dl->last_node = NULL; +} + +void +_cogl_pango_display_list_free (CoglPangoDisplayList *dl) +{ + _cogl_pango_display_list_clear (dl); + g_slice_free (CoglPangoDisplayList, dl); +} diff --git a/cogl-pango/cogl-pango-display-list.h b/cogl-pango/cogl-pango-display-list.h new file mode 100644 index 0000000..5dbc074 --- /dev/null +++ b/cogl-pango/cogl-pango-display-list.h @@ -0,0 +1,84 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_PANGO_DISPLAY_LIST_H__ +#define __COGL_PANGO_DISPLAY_LIST_H__ + +#include +#include "cogl-pango-pipeline-cache.h" + +COGL_BEGIN_DECLS + +typedef struct _CoglPangoDisplayList CoglPangoDisplayList; + +CoglPangoDisplayList * +_cogl_pango_display_list_new (CoglPangoPipelineCache *); + +void +_cogl_pango_display_list_set_color_override (CoglPangoDisplayList *dl, + const CoglColor *color); + +void +_cogl_pango_display_list_remove_color_override (CoglPangoDisplayList *dl); + +void +_cogl_pango_display_list_add_texture (CoglPangoDisplayList *dl, + CoglTexture *texture, + float x_1, float y_1, + float x_2, float y_2, + float tx_1, float ty_1, + float tx_2, float ty_2); + +void +_cogl_pango_display_list_add_rectangle (CoglPangoDisplayList *dl, + float x_1, float y_1, + float x_2, float y_2); + +void +_cogl_pango_display_list_add_trapezoid (CoglPangoDisplayList *dl, + float y_1, + float x_11, + float x_21, + float y_2, + float x_12, + float x_22); + +void +_cogl_pango_display_list_render (CoglFramebuffer *framebuffer, + CoglPangoDisplayList *dl, + const CoglColor *color); + +void +_cogl_pango_display_list_clear (CoglPangoDisplayList *dl); + +void +_cogl_pango_display_list_free (CoglPangoDisplayList *dl); + +COGL_END_DECLS + +#endif /* __COGL_PANGO_DISPLAY_LIST_H__ */ diff --git a/cogl-pango/cogl-pango-fontmap.c b/cogl-pango/cogl-pango-fontmap.c new file mode 100644 index 0000000..7222238 --- /dev/null +++ b/cogl-pango/cogl-pango-fontmap.c @@ -0,0 +1,180 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008 OpenedHand + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/** + * SECTION:cogl-pango + * @short_description: COGL-based text rendering using Pango + * + * FIXME + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* This is needed to get the Pango headers to export stuff needed to + subclass */ +#ifndef PANGO_ENABLE_BACKEND +#define PANGO_ENABLE_BACKEND 1 +#endif + +#include +#include +#include + +#include "cogl-pango.h" +#include "cogl-pango-private.h" +#include "cogl-util.h" +#include "cogl/cogl-context-private.h" + +static GQuark cogl_pango_font_map_get_priv_key (void) G_GNUC_CONST; + +typedef struct _CoglPangoFontMapPriv +{ + CoglContext *ctx; + PangoRenderer *renderer; +} CoglPangoFontMapPriv; + +static void +free_priv (gpointer data) +{ + CoglPangoFontMapPriv *priv = data; + + cogl_object_unref (priv->ctx); + cogl_object_unref (priv->renderer); + + g_free (priv); +} + +PangoFontMap * +cogl_pango_font_map_new (void) +{ + PangoFontMap *fm = pango_cairo_font_map_new (); + CoglPangoFontMapPriv *priv = g_new0 (CoglPangoFontMapPriv, 1); + + _COGL_GET_CONTEXT (context, NULL); + + priv->ctx = cogl_object_ref (context); + + /* XXX: The public pango api doesn't let us sub-class + * PangoCairoFontMap so we attach our own private data using qdata + * for now. */ + g_object_set_qdata_full (G_OBJECT (fm), + cogl_pango_font_map_get_priv_key (), + priv, + free_priv); + + return fm; +} + +PangoContext * +cogl_pango_font_map_create_context (CoglPangoFontMap *fm) +{ + _COGL_RETURN_VAL_IF_FAIL (COGL_PANGO_IS_FONT_MAP (fm), NULL); + + /* We can just directly use the pango context from the Cairo font + map */ + return pango_cairo_font_map_create_context (PANGO_CAIRO_FONT_MAP (fm)); +} + +static CoglPangoFontMapPriv * +_cogl_pango_font_map_get_priv (CoglPangoFontMap *fm) +{ + return g_object_get_qdata (G_OBJECT (fm), + cogl_pango_font_map_get_priv_key ()); +} + +PangoRenderer * +_cogl_pango_font_map_get_renderer (CoglPangoFontMap *fm) +{ + CoglPangoFontMapPriv *priv = _cogl_pango_font_map_get_priv (fm); + if (G_UNLIKELY (!priv->renderer)) + priv->renderer = _cogl_pango_renderer_new (priv->ctx); + return priv->renderer; +} + +PangoRenderer * +cogl_pango_font_map_get_renderer (CoglPangoFontMap *fm) +{ + return _cogl_pango_font_map_get_renderer (fm); +} + +CoglContext * +_cogl_pango_font_map_get_cogl_context (CoglPangoFontMap *fm) +{ + CoglPangoFontMapPriv *priv = _cogl_pango_font_map_get_priv (fm); + return priv->ctx; +} + +void +cogl_pango_font_map_set_resolution (CoglPangoFontMap *font_map, + double dpi) +{ + _COGL_RETURN_IF_FAIL (COGL_PANGO_IS_FONT_MAP (font_map)); + + pango_cairo_font_map_set_resolution (PANGO_CAIRO_FONT_MAP (font_map), dpi); +} + +void +cogl_pango_font_map_clear_glyph_cache (CoglPangoFontMap *fm) +{ + PangoRenderer *renderer = _cogl_pango_font_map_get_renderer (fm); + + _cogl_pango_renderer_clear_glyph_cache (COGL_PANGO_RENDERER (renderer)); +} + +void +cogl_pango_font_map_set_use_mipmapping (CoglPangoFontMap *fm, + CoglBool value) +{ + PangoRenderer *renderer = _cogl_pango_font_map_get_renderer (fm); + + _cogl_pango_renderer_set_use_mipmapping (COGL_PANGO_RENDERER (renderer), + value); +} + +CoglBool +cogl_pango_font_map_get_use_mipmapping (CoglPangoFontMap *fm) +{ + PangoRenderer *renderer = _cogl_pango_font_map_get_renderer (fm); + + return + _cogl_pango_renderer_get_use_mipmapping (COGL_PANGO_RENDERER (renderer)); +} + +static GQuark +cogl_pango_font_map_get_priv_key (void) +{ + static GQuark priv_key = 0; + + if (G_UNLIKELY (priv_key == 0)) + priv_key = g_quark_from_static_string ("CoglPangoFontMap"); + + return priv_key; +} diff --git a/cogl-pango/cogl-pango-glyph-cache.c b/cogl-pango/cogl-pango-glyph-cache.c new file mode 100644 index 0000000..093404f --- /dev/null +++ b/cogl-pango/cogl-pango-glyph-cache.c @@ -0,0 +1,433 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008 OpenedHand + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-pango-glyph-cache.h" +#include "cogl-pango-private.h" +#include "cogl/cogl-atlas.h" +#include "cogl/cogl-atlas-texture-private.h" + +typedef struct _CoglPangoGlyphCacheKey CoglPangoGlyphCacheKey; + +struct _CoglPangoGlyphCache +{ + CoglContext *ctx; + + /* Hash table to quickly check whether a particular glyph in a + particular font is already cached */ + GHashTable *hash_table; + + /* List of CoglAtlases */ + GSList *atlases; + + /* List of callbacks to invoke when an atlas is reorganized */ + GHookList reorganize_callbacks; + + /* TRUE if we've ever stored a texture in the global atlas. This is + used to make sure we only register one callback to listen for + global atlas reorganizations */ + CoglBool using_global_atlas; + + /* True if some of the glyphs are dirty. This is used as an + optimization in _cogl_pango_glyph_cache_set_dirty_glyphs to avoid + iterating the hash table if we know none of them are dirty */ + CoglBool has_dirty_glyphs; + + /* Whether mipmapping is being used for this cache. This only + affects whether we decide to put the glyph in the global atlas */ + CoglBool use_mipmapping; +}; + +struct _CoglPangoGlyphCacheKey +{ + PangoFont *font; + PangoGlyph glyph; +}; + +static void +cogl_pango_glyph_cache_value_free (CoglPangoGlyphCacheValue *value) +{ + if (value->texture) + cogl_object_unref (value->texture); + g_slice_free (CoglPangoGlyphCacheValue, value); +} + +static void +cogl_pango_glyph_cache_key_free (CoglPangoGlyphCacheKey *key) +{ + g_object_unref (key->font); + g_slice_free (CoglPangoGlyphCacheKey, key); +} + +static unsigned int +cogl_pango_glyph_cache_hash_func (const void *key) +{ + const CoglPangoGlyphCacheKey *cache_key + = (const CoglPangoGlyphCacheKey *) key; + + /* Generate a number affected by both the font and the glyph + number. We can safely directly compare the pointers because the + key holds a reference to the font so it is not possible that a + different font will have the same memory address */ + return GPOINTER_TO_UINT (cache_key->font) ^ cache_key->glyph; +} + +static CoglBool +cogl_pango_glyph_cache_equal_func (const void *a, const void *b) +{ + const CoglPangoGlyphCacheKey *key_a + = (const CoglPangoGlyphCacheKey *) a; + const CoglPangoGlyphCacheKey *key_b + = (const CoglPangoGlyphCacheKey *) b; + + /* We can safely directly compare the pointers for the fonts because + the key holds a reference to the font so it is not possible that + a different font will have the same memory address */ + return key_a->font == key_b->font + && key_a->glyph == key_b->glyph; +} + +CoglPangoGlyphCache * +cogl_pango_glyph_cache_new (CoglContext *ctx, + CoglBool use_mipmapping) +{ + CoglPangoGlyphCache *cache; + + cache = g_malloc (sizeof (CoglPangoGlyphCache)); + + /* Note: as a rule we don't take references to a CoglContext + * internally since */ + cache->ctx = ctx; + + cache->hash_table = g_hash_table_new_full + (cogl_pango_glyph_cache_hash_func, + cogl_pango_glyph_cache_equal_func, + (GDestroyNotify) cogl_pango_glyph_cache_key_free, + (GDestroyNotify) cogl_pango_glyph_cache_value_free); + + cache->atlases = NULL; + g_hook_list_init (&cache->reorganize_callbacks, sizeof (GHook)); + + cache->has_dirty_glyphs = FALSE; + + cache->using_global_atlas = FALSE; + + cache->use_mipmapping = use_mipmapping; + + return cache; +} + +static void +cogl_pango_glyph_cache_reorganize_cb (void *user_data) +{ + CoglPangoGlyphCache *cache = user_data; + + g_hook_list_invoke (&cache->reorganize_callbacks, FALSE); +} + +void +cogl_pango_glyph_cache_clear (CoglPangoGlyphCache *cache) +{ + g_slist_foreach (cache->atlases, (GFunc) cogl_object_unref, NULL); + g_slist_free (cache->atlases); + cache->atlases = NULL; + cache->has_dirty_glyphs = FALSE; + + g_hash_table_remove_all (cache->hash_table); +} + +void +cogl_pango_glyph_cache_free (CoglPangoGlyphCache *cache) +{ + if (cache->using_global_atlas) + { + _cogl_atlas_texture_remove_reorganize_callback ( + cache->ctx, + cogl_pango_glyph_cache_reorganize_cb, cache); + } + + cogl_pango_glyph_cache_clear (cache); + + g_hash_table_unref (cache->hash_table); + + g_hook_list_clear (&cache->reorganize_callbacks); + + g_free (cache); +} + +static void +cogl_pango_glyph_cache_update_position_cb (void *user_data, + CoglTexture *new_texture, + const CoglRectangleMapEntry *rect) +{ + CoglPangoGlyphCacheValue *value = user_data; + float tex_width, tex_height; + + if (value->texture) + cogl_object_unref (value->texture); + value->texture = cogl_object_ref (new_texture); + + tex_width = cogl_texture_get_width (new_texture); + tex_height = cogl_texture_get_height (new_texture); + + value->tx1 = rect->x / tex_width; + value->ty1 = rect->y / tex_height; + value->tx2 = (rect->x + value->draw_width) / tex_width; + value->ty2 = (rect->y + value->draw_height) / tex_height; + + value->tx_pixel = rect->x; + value->ty_pixel = rect->y; + + /* The glyph has changed position so it will need to be redrawn */ + value->dirty = TRUE; +} + +static CoglBool +cogl_pango_glyph_cache_add_to_global_atlas (CoglPangoGlyphCache *cache, + PangoFont *font, + PangoGlyph glyph, + CoglPangoGlyphCacheValue *value) +{ + CoglAtlasTexture *texture; + CoglError *ignore_error = NULL; + + if (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_SHARED_ATLAS)) + return FALSE; + + /* If the cache is using mipmapping then we can't use the global + atlas because it would just get migrated back out */ + if (cache->use_mipmapping) + return FALSE; + + texture = cogl_atlas_texture_new_with_size (cache->ctx, + value->draw_width, + value->draw_height); + if (!cogl_texture_allocate (COGL_TEXTURE (texture), &ignore_error)) + { + cogl_error_free (ignore_error); + return FALSE; + } + + value->texture = COGL_TEXTURE (texture); + value->tx1 = 0; + value->ty1 = 0; + value->tx2 = 1; + value->ty2 = 1; + value->tx_pixel = 0; + value->ty_pixel = 0; + + /* The first time we store a texture in the global atlas we'll + register for notifications when the global atlas is reorganized + so we can forward the notification on as a glyph + reorganization */ + if (!cache->using_global_atlas) + { + _cogl_atlas_texture_add_reorganize_callback + (cache->ctx, + cogl_pango_glyph_cache_reorganize_cb, cache); + cache->using_global_atlas = TRUE; + } + + return TRUE; +} + +static CoglBool +cogl_pango_glyph_cache_add_to_local_atlas (CoglPangoGlyphCache *cache, + PangoFont *font, + PangoGlyph glyph, + CoglPangoGlyphCacheValue *value) +{ + CoglAtlas *atlas = NULL; + GSList *l; + + /* Look for an atlas that can reserve the space */ + for (l = cache->atlases; l; l = l->next) + if (_cogl_atlas_reserve_space (l->data, + value->draw_width + 1, + value->draw_height + 1, + value)) + { + atlas = l->data; + break; + } + + /* If we couldn't find one then start a new atlas */ + if (atlas == NULL) + { + atlas = _cogl_atlas_new (COGL_PIXEL_FORMAT_A_8, + COGL_ATLAS_CLEAR_TEXTURE | + COGL_ATLAS_DISABLE_MIGRATION, + cogl_pango_glyph_cache_update_position_cb); + COGL_NOTE (ATLAS, "Created new atlas for glyphs: %p", atlas); + /* If we still can't reserve space then something has gone + seriously wrong so we'll just give up */ + if (!_cogl_atlas_reserve_space (atlas, + value->draw_width + 1, + value->draw_height + 1, + value)) + { + cogl_object_unref (atlas); + return FALSE; + } + + _cogl_atlas_add_reorganize_callback + (atlas, cogl_pango_glyph_cache_reorganize_cb, NULL, cache); + + cache->atlases = g_slist_prepend (cache->atlases, atlas); + } + + return TRUE; +} + +CoglPangoGlyphCacheValue * +cogl_pango_glyph_cache_lookup (CoglPangoGlyphCache *cache, + CoglBool create, + PangoFont *font, + PangoGlyph glyph) +{ + CoglPangoGlyphCacheKey lookup_key; + CoglPangoGlyphCacheValue *value; + + lookup_key.font = font; + lookup_key.glyph = glyph; + + value = g_hash_table_lookup (cache->hash_table, &lookup_key); + + if (create && value == NULL) + { + CoglPangoGlyphCacheKey *key; + PangoRectangle ink_rect; + + value = g_slice_new (CoglPangoGlyphCacheValue); + value->texture = NULL; + + pango_font_get_glyph_extents (font, glyph, &ink_rect, NULL); + pango_extents_to_pixels (&ink_rect, NULL); + + value->draw_x = ink_rect.x; + value->draw_y = ink_rect.y; + value->draw_width = ink_rect.width; + value->draw_height = ink_rect.height; + + /* If the glyph is zero-sized then we don't need to reserve any + space for it and we can just avoid painting anything */ + if (ink_rect.width < 1 || ink_rect.height < 1) + value->dirty = FALSE; + else + { + /* Try adding the glyph to the global atlas... */ + if (!cogl_pango_glyph_cache_add_to_global_atlas (cache, + font, + glyph, + value) && + /* If it fails try the local atlas */ + !cogl_pango_glyph_cache_add_to_local_atlas (cache, + font, + glyph, + value)) + { + cogl_pango_glyph_cache_value_free (value); + return NULL; + } + + value->dirty = TRUE; + cache->has_dirty_glyphs = TRUE; + } + + key = g_slice_new (CoglPangoGlyphCacheKey); + key->font = g_object_ref (font); + key->glyph = glyph; + + g_hash_table_insert (cache->hash_table, key, value); + } + + return value; +} + +static void +_cogl_pango_glyph_cache_set_dirty_glyphs_cb (void *key_ptr, + void *value_ptr, + void *user_data) +{ + CoglPangoGlyphCacheKey *key = key_ptr; + CoglPangoGlyphCacheValue *value = value_ptr; + CoglPangoGlyphCacheDirtyFunc func = user_data; + + if (value->dirty) + { + func (key->font, key->glyph, value); + + value->dirty = FALSE; + } +} + +void +_cogl_pango_glyph_cache_set_dirty_glyphs (CoglPangoGlyphCache *cache, + CoglPangoGlyphCacheDirtyFunc func) +{ + /* If we know that there are no dirty glyphs then we can shortcut + out early */ + if (!cache->has_dirty_glyphs) + return; + + g_hash_table_foreach (cache->hash_table, + _cogl_pango_glyph_cache_set_dirty_glyphs_cb, + func); + + cache->has_dirty_glyphs = FALSE; +} + +void +_cogl_pango_glyph_cache_add_reorganize_callback (CoglPangoGlyphCache *cache, + GHookFunc func, + void *user_data) +{ + GHook *hook = g_hook_alloc (&cache->reorganize_callbacks); + hook->func = func; + hook->data = user_data; + g_hook_prepend (&cache->reorganize_callbacks, hook); +} + +void +_cogl_pango_glyph_cache_remove_reorganize_callback (CoglPangoGlyphCache *cache, + GHookFunc func, + void *user_data) +{ + GHook *hook = g_hook_find_func_data (&cache->reorganize_callbacks, + FALSE, + func, + user_data); + + if (hook) + g_hook_destroy_link (&cache->reorganize_callbacks, hook); +} diff --git a/cogl-pango/cogl-pango-glyph-cache.h b/cogl-pango/cogl-pango-glyph-cache.h new file mode 100644 index 0000000..ca33203 --- /dev/null +++ b/cogl-pango/cogl-pango-glyph-cache.h @@ -0,0 +1,100 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008 OpenedHand + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_PANGO_GLYPH_CACHE_H__ +#define __COGL_PANGO_GLYPH_CACHE_H__ + +#include +#include + +#include "cogl/cogl-texture.h" + +COGL_BEGIN_DECLS + +typedef struct _CoglPangoGlyphCache CoglPangoGlyphCache; +typedef struct _CoglPangoGlyphCacheValue CoglPangoGlyphCacheValue; + +struct _CoglPangoGlyphCacheValue +{ + CoglTexture *texture; + + float tx1; + float ty1; + float tx2; + float ty2; + + int tx_pixel; + int ty_pixel; + + int draw_x; + int draw_y; + int draw_width; + int draw_height; + + /* This will be set to TRUE when the glyph atlas is reorganized + which means the glyph will need to be redrawn */ + CoglBool dirty; +}; + +typedef void (* CoglPangoGlyphCacheDirtyFunc) (PangoFont *font, + PangoGlyph glyph, + CoglPangoGlyphCacheValue *value); + +CoglPangoGlyphCache * +cogl_pango_glyph_cache_new (CoglContext *ctx, + CoglBool use_mipmapping); + +void +cogl_pango_glyph_cache_free (CoglPangoGlyphCache *cache); + +CoglPangoGlyphCacheValue * +cogl_pango_glyph_cache_lookup (CoglPangoGlyphCache *cache, + CoglBool create, + PangoFont *font, + PangoGlyph glyph); + +void +cogl_pango_glyph_cache_clear (CoglPangoGlyphCache *cache); + +void +_cogl_pango_glyph_cache_add_reorganize_callback (CoglPangoGlyphCache *cache, + GHookFunc func, + void *user_data); + +void +_cogl_pango_glyph_cache_remove_reorganize_callback (CoglPangoGlyphCache *cache, + GHookFunc func, + void *user_data); + +void +_cogl_pango_glyph_cache_set_dirty_glyphs (CoglPangoGlyphCache *cache, + CoglPangoGlyphCacheDirtyFunc func); + +COGL_END_DECLS + +#endif /* __COGL_PANGO_GLYPH_CACHE_H__ */ diff --git a/cogl-pango/cogl-pango-pipeline-cache.c b/cogl-pango/cogl-pango-pipeline-cache.c new file mode 100644 index 0000000..625a8fa --- /dev/null +++ b/cogl-pango/cogl-pango-pipeline-cache.c @@ -0,0 +1,242 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include "cogl-pango-pipeline-cache.h" + +#include "cogl/cogl-context-private.h" +#include "cogl/cogl-texture-private.h" + +typedef struct _CoglPangoPipelineCacheEntry CoglPangoPipelineCacheEntry; + +struct _CoglPangoPipelineCacheEntry +{ + /* This will take a reference or it can be NULL to represent the + pipeline used to render colors */ + CoglTexture *texture; + + /* This will only take a weak reference */ + CoglPipeline *pipeline; +}; + +static void +_cogl_pango_pipeline_cache_key_destroy (void *data) +{ + if (data) + cogl_object_unref (data); +} + +static void +_cogl_pango_pipeline_cache_value_destroy (void *data) +{ + CoglPangoPipelineCacheEntry *cache_entry = data; + + if (cache_entry->texture) + cogl_object_unref (cache_entry->texture); + + /* We don't need to unref the pipeline because it only takes a weak + reference */ + + g_slice_free (CoglPangoPipelineCacheEntry, cache_entry); +} + +CoglPangoPipelineCache * +_cogl_pango_pipeline_cache_new (CoglContext *ctx, + CoglBool use_mipmapping) +{ + CoglPangoPipelineCache *cache = g_new (CoglPangoPipelineCache, 1); + + cache->ctx = cogl_object_ref (ctx); + + /* The key is the pipeline pointer. A reference is taken when the + pipeline is used as a key so we should unref it again in the + destroy function */ + cache->hash_table = + g_hash_table_new_full (g_direct_hash, + g_direct_equal, + _cogl_pango_pipeline_cache_key_destroy, + _cogl_pango_pipeline_cache_value_destroy); + + cache->base_texture_rgba_pipeline = NULL; + cache->base_texture_alpha_pipeline = NULL; + + cache->use_mipmapping = use_mipmapping; + + return cache; +} + +static CoglPipeline * +get_base_texture_rgba_pipeline (CoglPangoPipelineCache *cache) +{ + if (cache->base_texture_rgba_pipeline == NULL) + { + CoglPipeline *pipeline; + + pipeline = cache->base_texture_rgba_pipeline = + cogl_pipeline_new (cache->ctx); + + cogl_pipeline_set_layer_wrap_mode (pipeline, 0, + COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE); + + if (cache->use_mipmapping) + cogl_pipeline_set_layer_filters + (pipeline, 0, + COGL_PIPELINE_FILTER_LINEAR_MIPMAP_LINEAR, + COGL_PIPELINE_FILTER_LINEAR); + } + + return cache->base_texture_rgba_pipeline; +} + +static CoglPipeline * +get_base_texture_alpha_pipeline (CoglPangoPipelineCache *cache) +{ + if (cache->base_texture_alpha_pipeline == NULL) + { + CoglPipeline *pipeline; + + pipeline = cogl_pipeline_copy (get_base_texture_rgba_pipeline (cache)); + cache->base_texture_alpha_pipeline = pipeline; + + /* The default combine mode of materials is to modulate (A x B) + * the texture RGBA channels with the RGBA channels of the + * previous layer (which in our case is just the font color) + * + * Since the RGB for an alpha texture is defined as 0, this gives us: + * + * result.rgb = color.rgb * 0 + * result.a = color.a * texture.a + * + * What we want is premultiplied rgba values: + * + * result.rgba = color.rgb * texture.a + * result.a = color.a * texture.a + */ + cogl_pipeline_set_layer_combine (pipeline, 0, /* layer */ + "RGBA = MODULATE (PREVIOUS, TEXTURE[A])", + NULL); + } + + return cache->base_texture_alpha_pipeline; +} + +typedef struct +{ + CoglPangoPipelineCache *cache; + CoglTexture *texture; +} PipelineDestroyNotifyData; + +static void +pipeline_destroy_notify_cb (void *user_data) +{ + PipelineDestroyNotifyData *data = user_data; + + g_hash_table_remove (data->cache->hash_table, data->texture); + g_slice_free (PipelineDestroyNotifyData, data); +} + +CoglPipeline * +_cogl_pango_pipeline_cache_get (CoglPangoPipelineCache *cache, + CoglTexture *texture) +{ + CoglPangoPipelineCacheEntry *entry; + PipelineDestroyNotifyData *destroy_data; + static CoglUserDataKey pipeline_destroy_notify_key; + + /* Look for an existing entry */ + entry = g_hash_table_lookup (cache->hash_table, texture); + + if (entry) + return cogl_object_ref (entry->pipeline); + + /* No existing pipeline was found so let's create another */ + entry = g_slice_new (CoglPangoPipelineCacheEntry); + + if (texture) + { + CoglPipeline *base; + + entry->texture = cogl_object_ref (texture); + + if (_cogl_texture_get_format (entry->texture) == COGL_PIXEL_FORMAT_A_8) + base = get_base_texture_alpha_pipeline (cache); + else + base = get_base_texture_rgba_pipeline (cache); + + entry->pipeline = cogl_pipeline_copy (base); + + cogl_pipeline_set_layer_texture (entry->pipeline, 0 /* layer */, texture); + } + else + { + entry->texture = NULL; + entry->pipeline = cogl_pipeline_new (cache->ctx); + } + + /* Add a weak reference to the pipeline so we can remove it from the + hash table when it is destroyed */ + destroy_data = g_slice_new (PipelineDestroyNotifyData); + destroy_data->cache = cache; + destroy_data->texture = texture; + cogl_object_set_user_data (COGL_OBJECT (entry->pipeline), + &pipeline_destroy_notify_key, + destroy_data, + pipeline_destroy_notify_cb); + + g_hash_table_insert (cache->hash_table, + texture ? cogl_object_ref (texture) : NULL, + entry); + + /* This doesn't take a reference on the pipeline so that it will use + the newly created reference */ + return entry->pipeline; +} + +void +_cogl_pango_pipeline_cache_free (CoglPangoPipelineCache *cache) +{ + if (cache->base_texture_rgba_pipeline) + cogl_object_unref (cache->base_texture_rgba_pipeline); + if (cache->base_texture_alpha_pipeline) + cogl_object_unref (cache->base_texture_alpha_pipeline); + + g_hash_table_destroy (cache->hash_table); + + cogl_object_unref (cache->ctx); + + g_free (cache); +} diff --git a/cogl-pango/cogl-pango-pipeline-cache.h b/cogl-pango/cogl-pango-pipeline-cache.h new file mode 100644 index 0000000..c8abe2c --- /dev/null +++ b/cogl-pango/cogl-pango-pipeline-cache.h @@ -0,0 +1,72 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_PANGO_PIPELINE_CACHE_H__ +#define __COGL_PANGO_PIPELINE_CACHE_H__ + +#include + +#include "cogl/cogl-context-private.h" + +COGL_BEGIN_DECLS + +typedef struct _CoglPangoPipelineCache +{ + CoglContext *ctx; + + GHashTable *hash_table; + + CoglPipeline *base_texture_alpha_pipeline; + CoglPipeline *base_texture_rgba_pipeline; + + CoglBool use_mipmapping; +} CoglPangoPipelineCache; + + +CoglPangoPipelineCache * +_cogl_pango_pipeline_cache_new (CoglContext *ctx, + CoglBool use_mipmapping); + +/* Returns a pipeline that can be used to render glyphs in the given + texture. The pipeline has a new reference so it is up to the caller + to unref it */ +CoglPipeline * +_cogl_pango_pipeline_cache_get (CoglPangoPipelineCache *cache, + CoglTexture *texture); + +void +_cogl_pango_pipeline_cache_free (CoglPangoPipelineCache *cache); + +COGL_END_DECLS + +#endif /* __COGL_PANGO_PIPELINE_CACHE_H__ */ diff --git a/cogl-pango/cogl-pango-private.h b/cogl-pango/cogl-pango-private.h new file mode 100644 index 0000000..e0d1f51 --- /dev/null +++ b/cogl-pango/cogl-pango-private.h @@ -0,0 +1,65 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008 OpenedHand + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + * Robert Bragg + * Matthew Allum + */ + +#ifndef __COGL_PANGO_PRIVATE_H__ +#define __COGL_PANGO_PRIVATE_H__ + +#include "cogl-pango.h" + +COGL_BEGIN_DECLS + +PangoRenderer * +_cogl_pango_renderer_new (CoglContext *context); + +void +_cogl_pango_renderer_clear_glyph_cache (CoglPangoRenderer *renderer); + +void +_cogl_pango_renderer_set_use_mipmapping (CoglPangoRenderer *renderer, + CoglBool value); +CoglBool +_cogl_pango_renderer_get_use_mipmapping (CoglPangoRenderer *renderer); + + + +CoglContext * +_cogl_pango_font_map_get_cogl_context (CoglPangoFontMap *fm); + +PangoRenderer * +_cogl_pango_font_map_get_renderer (CoglPangoFontMap *fm); + +COGL_END_DECLS + +#endif /* __COGL_PANGO_PRIVATE_H__ */ diff --git a/cogl-pango/cogl-pango-render.c b/cogl-pango/cogl-pango-render.c new file mode 100644 index 0000000..a8855ea --- /dev/null +++ b/cogl-pango/cogl-pango-render.c @@ -0,0 +1,929 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008 OpenedHand + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + * Robert Bragg + * Matthew Allum + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifndef PANGO_ENABLE_BACKEND +#define PANGO_ENABLE_BACKEND 1 +#endif + +#include +#include +#include +#include + +#include "cogl/cogl-debug.h" +#include "cogl/cogl-context-private.h" +#include "cogl/cogl-texture-private.h" +#include "cogl-pango-private.h" +#include "cogl-pango-glyph-cache.h" +#include "cogl-pango-display-list.h" + +enum +{ + PROP_0, + + PROP_COGL_CONTEXT, + PROP_LAST +}; + +typedef struct +{ + CoglPangoGlyphCache *glyph_cache; + CoglPangoPipelineCache *pipeline_cache; +} CoglPangoRendererCaches; + +struct _CoglPangoRenderer +{ + PangoRenderer parent_instance; + + CoglContext *ctx; + + /* Two caches of glyphs as textures and their corresponding pipeline + caches, one with mipmapped textures and one without */ + CoglPangoRendererCaches no_mipmap_caches; + CoglPangoRendererCaches mipmap_caches; + + CoglBool use_mipmapping; + + /* The current display list that is being built */ + CoglPangoDisplayList *display_list; +}; + +struct _CoglPangoRendererClass +{ + PangoRendererClass class_instance; +}; + +typedef struct _CoglPangoLayoutQdata CoglPangoLayoutQdata; + +/* An instance of this struct gets attached to each PangoLayout to + cache the VBO and to detect changes to the layout */ +struct _CoglPangoLayoutQdata +{ + CoglPangoRenderer *renderer; + /* The cache of the geometry for the layout */ + CoglPangoDisplayList *display_list; + /* A reference to the first line of the layout. This is just used to + detect changes */ + PangoLayoutLine *first_line; + /* Whether mipmapping was previously used to render this layout. We + need to regenerate the display list if the mipmapping value is + changed because it will be using a different set of textures */ + CoglBool mipmapping_used; +}; + +static void +_cogl_pango_ensure_glyph_cache_for_layout_line (PangoLayoutLine *line); + +typedef struct +{ + CoglPangoDisplayList *display_list; + float x1, y1, x2, y2; +} CoglPangoRendererSliceCbData; + +PangoRenderer * +_cogl_pango_renderer_new (CoglContext *context) +{ + return PANGO_RENDERER (g_object_new (COGL_PANGO_TYPE_RENDERER, + "context", context, NULL)); +} + +static void +cogl_pango_renderer_slice_cb (CoglTexture *texture, + const float *slice_coords, + const float *virtual_coords, + void *user_data) +{ + CoglPangoRendererSliceCbData *data = user_data; + + /* Note: this assumes that there is only one slice containing the + whole texture and it doesn't attempt to split up the vertex + coordinates based on the virtual_coords */ + + _cogl_pango_display_list_add_texture (data->display_list, + texture, + data->x1, + data->y1, + data->x2, + data->y2, + slice_coords[0], + slice_coords[1], + slice_coords[2], + slice_coords[3]); +} + +static void +cogl_pango_renderer_draw_glyph (CoglPangoRenderer *priv, + CoglPangoGlyphCacheValue *cache_value, + float x1, + float y1) +{ + CoglPangoRendererSliceCbData data; + + _COGL_RETURN_IF_FAIL (priv->display_list != NULL); + + data.display_list = priv->display_list; + data.x1 = x1; + data.y1 = y1; + data.x2 = x1 + (float) cache_value->draw_width; + data.y2 = y1 + (float) cache_value->draw_height; + + /* We iterate the internal sub textures of the texture so that we + can get a pointer to the base texture even if the texture is in + the global atlas. That way the display list can recognise that + the neighbouring glyphs are coming from the same atlas and bundle + them together into a single VBO */ + + cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (cache_value->texture), + cache_value->tx1, + cache_value->ty1, + cache_value->tx2, + cache_value->ty2, + COGL_PIPELINE_WRAP_MODE_REPEAT, + COGL_PIPELINE_WRAP_MODE_REPEAT, + cogl_pango_renderer_slice_cb, + &data); +} + +static void cogl_pango_renderer_dispose (GObject *object); +static void cogl_pango_renderer_finalize (GObject *object); +static void cogl_pango_renderer_draw_glyphs (PangoRenderer *renderer, + PangoFont *font, + PangoGlyphString *glyphs, + int x, + int y); +static void cogl_pango_renderer_draw_rectangle (PangoRenderer *renderer, + PangoRenderPart part, + int x, + int y, + int width, + int height); +static void cogl_pango_renderer_draw_trapezoid (PangoRenderer *renderer, + PangoRenderPart part, + double y1, + double x11, + double x21, + double y2, + double x12, + double x22); + +G_DEFINE_TYPE (CoglPangoRenderer, cogl_pango_renderer, PANGO_TYPE_RENDERER); + +static void +cogl_pango_renderer_init (CoglPangoRenderer *priv) +{ +} + +static void +_cogl_pango_renderer_constructed (GObject *gobject) +{ + CoglPangoRenderer *renderer = COGL_PANGO_RENDERER (gobject); + CoglContext *ctx = renderer->ctx; + + renderer->no_mipmap_caches.pipeline_cache = + _cogl_pango_pipeline_cache_new (ctx, FALSE); + renderer->mipmap_caches.pipeline_cache = + _cogl_pango_pipeline_cache_new (ctx, TRUE); + + renderer->no_mipmap_caches.glyph_cache = + cogl_pango_glyph_cache_new (ctx, FALSE); + renderer->mipmap_caches.glyph_cache = + cogl_pango_glyph_cache_new (ctx, TRUE); + + _cogl_pango_renderer_set_use_mipmapping (renderer, FALSE); + + if (G_OBJECT_CLASS (cogl_pango_renderer_parent_class)->constructed) + G_OBJECT_CLASS (cogl_pango_renderer_parent_class)->constructed (gobject); +} + +static void +cogl_pango_renderer_set_property (GObject *object, + unsigned int prop_id, + const GValue *value, + GParamSpec *pspec) +{ + CoglPangoRenderer *renderer = COGL_PANGO_RENDERER (object); + + switch (prop_id) + { + case PROP_COGL_CONTEXT: + renderer->ctx = g_value_get_pointer (value); + cogl_object_ref (renderer->ctx); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +cogl_pango_renderer_class_init (CoglPangoRendererClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + PangoRendererClass *renderer_class = PANGO_RENDERER_CLASS (klass); + GParamSpec *pspec; + + object_class->set_property = cogl_pango_renderer_set_property; + object_class->constructed = _cogl_pango_renderer_constructed; + object_class->dispose = cogl_pango_renderer_dispose; + object_class->finalize = cogl_pango_renderer_finalize; + + pspec = g_param_spec_pointer ("context", + "Context", + "The Cogl Context", + G_PARAM_WRITABLE | + G_PARAM_STATIC_STRINGS | + G_PARAM_CONSTRUCT_ONLY); + + g_object_class_install_property (object_class, PROP_COGL_CONTEXT, pspec); + + renderer_class->draw_glyphs = cogl_pango_renderer_draw_glyphs; + renderer_class->draw_rectangle = cogl_pango_renderer_draw_rectangle; + renderer_class->draw_trapezoid = cogl_pango_renderer_draw_trapezoid; +} + +static void +cogl_pango_renderer_dispose (GObject *object) +{ + CoglPangoRenderer *priv = COGL_PANGO_RENDERER (object); + + if (priv->ctx) + { + cogl_object_unref (priv->ctx); + priv->ctx = NULL; + } +} + +static void +cogl_pango_renderer_finalize (GObject *object) +{ + CoglPangoRenderer *priv = COGL_PANGO_RENDERER (object); + + cogl_pango_glyph_cache_free (priv->no_mipmap_caches.glyph_cache); + cogl_pango_glyph_cache_free (priv->mipmap_caches.glyph_cache); + + _cogl_pango_pipeline_cache_free (priv->no_mipmap_caches.pipeline_cache); + _cogl_pango_pipeline_cache_free (priv->mipmap_caches.pipeline_cache); + + G_OBJECT_CLASS (cogl_pango_renderer_parent_class)->finalize (object); +} + +static CoglPangoRenderer * +cogl_pango_get_renderer_from_context (PangoContext *context) +{ + PangoFontMap *font_map; + CoglPangoFontMap *cogl_font_map; + PangoRenderer *renderer; + + font_map = pango_context_get_font_map (context); + g_return_val_if_fail (COGL_PANGO_IS_FONT_MAP (font_map), NULL); + + cogl_font_map = COGL_PANGO_FONT_MAP (font_map); + + renderer = _cogl_pango_font_map_get_renderer (cogl_font_map); + + g_return_val_if_fail (COGL_PANGO_IS_RENDERER (renderer), NULL); + + return COGL_PANGO_RENDERER (renderer); +} + +static GQuark +cogl_pango_layout_get_qdata_key (void) +{ + static GQuark key = 0; + + if (G_UNLIKELY (key == 0)) + key = g_quark_from_static_string ("CoglPangoDisplayList"); + + return key; +} + +static void +cogl_pango_layout_qdata_forget_display_list (CoglPangoLayoutQdata *qdata) +{ + if (qdata->display_list) + { + CoglPangoRendererCaches *caches = qdata->mipmapping_used ? + &qdata->renderer->mipmap_caches : + &qdata->renderer->no_mipmap_caches; + + _cogl_pango_glyph_cache_remove_reorganize_callback + (caches->glyph_cache, + (GHookFunc) cogl_pango_layout_qdata_forget_display_list, + qdata); + + _cogl_pango_display_list_free (qdata->display_list); + + qdata->display_list = NULL; + } +} + +static void +cogl_pango_render_qdata_destroy (CoglPangoLayoutQdata *qdata) +{ + cogl_pango_layout_qdata_forget_display_list (qdata); + if (qdata->first_line) + pango_layout_line_unref (qdata->first_line); + g_slice_free (CoglPangoLayoutQdata, qdata); +} + +void +cogl_pango_show_layout (CoglFramebuffer *fb, + PangoLayout *layout, + float x, + float y, + const CoglColor *color) +{ + PangoContext *context; + CoglPangoRenderer *priv; + CoglPangoLayoutQdata *qdata; + + context = pango_layout_get_context (layout); + priv = cogl_pango_get_renderer_from_context (context); + if (G_UNLIKELY (!priv)) + return; + + qdata = g_object_get_qdata (G_OBJECT (layout), + cogl_pango_layout_get_qdata_key ()); + + if (qdata == NULL) + { + qdata = g_slice_new0 (CoglPangoLayoutQdata); + qdata->renderer = priv; + g_object_set_qdata_full (G_OBJECT (layout), + cogl_pango_layout_get_qdata_key (), + qdata, + (GDestroyNotify) + cogl_pango_render_qdata_destroy); + } + + /* Check if the layout has changed since the last build of the + display list. This trick was suggested by Behdad Esfahbod here: + http://mail.gnome.org/archives/gtk-i18n-list/2009-May/msg00019.html */ + if (qdata->display_list && + ((qdata->first_line && + qdata->first_line->layout != layout) || + qdata->mipmapping_used != priv->use_mipmapping)) + cogl_pango_layout_qdata_forget_display_list (qdata); + + if (qdata->display_list == NULL) + { + CoglPangoRendererCaches *caches = priv->use_mipmapping ? + &priv->mipmap_caches : + &priv->no_mipmap_caches; + + cogl_pango_ensure_glyph_cache_for_layout (layout); + + qdata->display_list = + _cogl_pango_display_list_new (caches->pipeline_cache); + + /* Register for notification of when the glyph cache changes so + we can rebuild the display list */ + _cogl_pango_glyph_cache_add_reorganize_callback + (caches->glyph_cache, + (GHookFunc) cogl_pango_layout_qdata_forget_display_list, + qdata); + + priv->display_list = qdata->display_list; + pango_renderer_draw_layout (PANGO_RENDERER (priv), layout, 0, 0); + priv->display_list = NULL; + + qdata->mipmapping_used = priv->use_mipmapping; + } + + cogl_framebuffer_push_matrix (fb); + cogl_framebuffer_translate (fb, x, y, 0); + + _cogl_pango_display_list_render (fb, + qdata->display_list, + color); + + cogl_framebuffer_pop_matrix (fb); + + /* Keep a reference to the first line of the layout so we can detect + changes */ + if (qdata->first_line) + { + pango_layout_line_unref (qdata->first_line); + qdata->first_line = NULL; + } + if (pango_layout_get_line_count (layout) > 0) + { + qdata->first_line = pango_layout_get_line (layout, 0); + pango_layout_line_ref (qdata->first_line); + } +} + +void +cogl_pango_render_layout_subpixel (PangoLayout *layout, + int x, + int y, + const CoglColor *color, + int flags) +{ + cogl_pango_show_layout (cogl_get_draw_framebuffer (), + layout, + x / (float) PANGO_SCALE, + y / (float) PANGO_SCALE, + color); +} + +void +cogl_pango_render_layout (PangoLayout *layout, + int x, + int y, + const CoglColor *color, + int flags) +{ + cogl_pango_render_layout_subpixel (layout, + x * PANGO_SCALE, + y * PANGO_SCALE, + color, + flags); +} + +void +cogl_pango_show_layout_line (CoglFramebuffer *fb, + PangoLayoutLine *line, + float x, + float y, + const CoglColor *color) +{ + PangoContext *context; + CoglPangoRenderer *priv; + CoglPangoRendererCaches *caches; + int pango_x = x * PANGO_SCALE; + int pango_y = y * PANGO_SCALE; + + context = pango_layout_get_context (line->layout); + priv = cogl_pango_get_renderer_from_context (context); + if (G_UNLIKELY (!priv)) + return; + + caches = (priv->use_mipmapping ? + &priv->mipmap_caches : + &priv->no_mipmap_caches); + + priv->display_list = _cogl_pango_display_list_new (caches->pipeline_cache); + + _cogl_pango_ensure_glyph_cache_for_layout_line (line); + + pango_renderer_draw_layout_line (PANGO_RENDERER (priv), line, + pango_x, pango_y); + + _cogl_pango_display_list_render (fb, + priv->display_list, + color); + + _cogl_pango_display_list_free (priv->display_list); + priv->display_list = NULL; +} + +void +cogl_pango_render_layout_line (PangoLayoutLine *line, + int x, + int y, + const CoglColor *color) +{ + cogl_pango_show_layout_line (cogl_get_draw_framebuffer (), + line, + x / (float) PANGO_SCALE, + y / (float) PANGO_SCALE, + color); +} + +void +_cogl_pango_renderer_clear_glyph_cache (CoglPangoRenderer *renderer) +{ + cogl_pango_glyph_cache_clear (renderer->mipmap_caches.glyph_cache); + cogl_pango_glyph_cache_clear (renderer->no_mipmap_caches.glyph_cache); +} + +void +_cogl_pango_renderer_set_use_mipmapping (CoglPangoRenderer *renderer, + CoglBool value) +{ + renderer->use_mipmapping = value; +} + +CoglBool +_cogl_pango_renderer_get_use_mipmapping (CoglPangoRenderer *renderer) +{ + return renderer->use_mipmapping; +} + +static CoglPangoGlyphCacheValue * +cogl_pango_renderer_get_cached_glyph (PangoRenderer *renderer, + CoglBool create, + PangoFont *font, + PangoGlyph glyph) +{ + CoglPangoRenderer *priv = COGL_PANGO_RENDERER (renderer); + CoglPangoRendererCaches *caches = (priv->use_mipmapping ? + &priv->mipmap_caches : + &priv->no_mipmap_caches); + + return cogl_pango_glyph_cache_lookup (caches->glyph_cache, + create, font, glyph); +} + +static void +cogl_pango_renderer_set_dirty_glyph (PangoFont *font, + PangoGlyph glyph, + CoglPangoGlyphCacheValue *value) +{ + cairo_surface_t *surface; + cairo_t *cr; + cairo_scaled_font_t *scaled_font; + cairo_glyph_t cairo_glyph; + cairo_format_t format_cairo; + CoglPixelFormat format_cogl; + + COGL_NOTE (PANGO, "redrawing glyph %i", glyph); + + /* Glyphs that don't take up any space will end up without a + texture. These should never become dirty so they shouldn't end up + here */ + _COGL_RETURN_IF_FAIL (value->texture != NULL); + + if (_cogl_texture_get_format (value->texture) == COGL_PIXEL_FORMAT_A_8) + { + format_cairo = CAIRO_FORMAT_A8; + format_cogl = COGL_PIXEL_FORMAT_A_8; + } + else + { + format_cairo = CAIRO_FORMAT_ARGB32; + + /* Cairo stores the data in native byte order as ARGB but Cogl's + pixel formats specify the actual byte order. Therefore we + need to use a different format depending on the + architecture */ +#if G_BYTE_ORDER == G_LITTLE_ENDIAN + format_cogl = COGL_PIXEL_FORMAT_BGRA_8888_PRE; +#else + format_cogl = COGL_PIXEL_FORMAT_ARGB_8888_PRE; +#endif + } + + surface = cairo_image_surface_create (format_cairo, + value->draw_width, + value->draw_height); + cr = cairo_create (surface); + + scaled_font = pango_cairo_font_get_scaled_font (PANGO_CAIRO_FONT (font)); + cairo_set_scaled_font (cr, scaled_font); + + cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 1.0); + + cairo_glyph.x = -value->draw_x; + cairo_glyph.y = -value->draw_y; + /* The PangoCairo glyph numbers directly map to Cairo glyph + numbers */ + cairo_glyph.index = glyph; + cairo_show_glyphs (cr, &cairo_glyph, 1); + + cairo_destroy (cr); + cairo_surface_flush (surface); + + /* Copy the glyph to the texture */ + cogl_texture_set_region (value->texture, + 0, /* src_x */ + 0, /* src_y */ + value->tx_pixel, /* dst_x */ + value->ty_pixel, /* dst_y */ + value->draw_width, /* dst_width */ + value->draw_height, /* dst_height */ + value->draw_width, /* width */ + value->draw_height, /* height */ + format_cogl, + cairo_image_surface_get_stride (surface), + cairo_image_surface_get_data (surface)); + + cairo_surface_destroy (surface); +} + +static void +_cogl_pango_ensure_glyph_cache_for_layout_line_internal (PangoLayoutLine *line) +{ + PangoContext *context; + PangoRenderer *renderer; + GSList *l; + + context = pango_layout_get_context (line->layout); + renderer = + PANGO_RENDERER (cogl_pango_get_renderer_from_context (context)); + + for (l = line->runs; l; l = l->next) + { + PangoLayoutRun *run = l->data; + PangoGlyphString *glyphs = run->glyphs; + int i; + + for (i = 0; i < glyphs->num_glyphs; i++) + { + PangoGlyphInfo *gi = &glyphs->glyphs[i]; + + /* If the glyph isn't cached then this will reserve + space for it now. We won't actually draw the glyph + yet because reserving space could cause all of the + other glyphs to be moved so we might as well redraw + them all later once we know that the position is + settled */ + cogl_pango_renderer_get_cached_glyph (renderer, TRUE, + run->item->analysis.font, + gi->glyph); + } + } +} + +static void +_cogl_pango_set_dirty_glyphs (CoglPangoRenderer *priv) +{ + _cogl_pango_glyph_cache_set_dirty_glyphs + (priv->mipmap_caches.glyph_cache, cogl_pango_renderer_set_dirty_glyph); + _cogl_pango_glyph_cache_set_dirty_glyphs + (priv->no_mipmap_caches.glyph_cache, cogl_pango_renderer_set_dirty_glyph); +} + +static void +_cogl_pango_ensure_glyph_cache_for_layout_line (PangoLayoutLine *line) +{ + PangoContext *context; + CoglPangoRenderer *priv; + + context = pango_layout_get_context (line->layout); + priv = cogl_pango_get_renderer_from_context (context); + + _cogl_pango_ensure_glyph_cache_for_layout_line_internal (line); + + /* Now that we know all of the positions are settled we'll fill in + any dirty glyphs */ + _cogl_pango_set_dirty_glyphs (priv); +} + +void +cogl_pango_ensure_glyph_cache_for_layout (PangoLayout *layout) +{ + PangoContext *context; + CoglPangoRenderer *priv; + PangoLayoutIter *iter; + + context = pango_layout_get_context (layout); + priv = cogl_pango_get_renderer_from_context (context); + + _COGL_RETURN_IF_FAIL (PANGO_IS_LAYOUT (layout)); + + if ((iter = pango_layout_get_iter (layout)) == NULL) + return; + + do + { + PangoLayoutLine *line; + + line = pango_layout_iter_get_line_readonly (iter); + + _cogl_pango_ensure_glyph_cache_for_layout_line_internal (line); + } + while (pango_layout_iter_next_line (iter)); + + pango_layout_iter_free (iter); + + /* Now that we know all of the positions are settled we'll fill in + any dirty glyphs */ + _cogl_pango_set_dirty_glyphs (priv); +} + +static void +cogl_pango_renderer_set_color_for_part (PangoRenderer *renderer, + PangoRenderPart part) +{ + PangoColor *pango_color = pango_renderer_get_color (renderer, part); + CoglPangoRenderer *priv = COGL_PANGO_RENDERER (renderer); + + if (pango_color) + { + CoglColor color; + + cogl_color_init_from_4ub (&color, + pango_color->red >> 8, + pango_color->green >> 8, + pango_color->blue >> 8, + 0xff); + + _cogl_pango_display_list_set_color_override (priv->display_list, &color); + } + else + _cogl_pango_display_list_remove_color_override (priv->display_list); +} + +static void +cogl_pango_renderer_draw_box (PangoRenderer *renderer, + int x, + int y, + int width, + int height) +{ + CoglPangoRenderer *priv = COGL_PANGO_RENDERER (renderer); + + _COGL_RETURN_IF_FAIL (priv->display_list != NULL); + + _cogl_pango_display_list_add_rectangle (priv->display_list, + x, + y - height, + x + width, + y); +} + +static void +cogl_pango_renderer_get_device_units (PangoRenderer *renderer, + int xin, + int yin, + float *xout, + float *yout) +{ + const PangoMatrix *matrix; + + if ((matrix = pango_renderer_get_matrix (renderer))) + { + /* Convert user-space coords to device coords */ + *xout = ((xin * matrix->xx + yin * matrix->xy) + / PANGO_SCALE + matrix->x0); + *yout = ((yin * matrix->yy + xin * matrix->yx) + / PANGO_SCALE + matrix->y0); + } + else + { + *xout = PANGO_PIXELS (xin); + *yout = PANGO_PIXELS (yin); + } +} + +static void +cogl_pango_renderer_draw_rectangle (PangoRenderer *renderer, + PangoRenderPart part, + int x, + int y, + int width, + int height) +{ + CoglPangoRenderer *priv = COGL_PANGO_RENDERER (renderer); + float x1, x2, y1, y2; + + _COGL_RETURN_IF_FAIL (priv->display_list != NULL); + + cogl_pango_renderer_set_color_for_part (renderer, part); + + cogl_pango_renderer_get_device_units (renderer, + x, y, + &x1, &y1); + cogl_pango_renderer_get_device_units (renderer, + x + width, y + height, + &x2, &y2); + + _cogl_pango_display_list_add_rectangle (priv->display_list, + x1, y1, x2, y2); +} + +static void +cogl_pango_renderer_draw_trapezoid (PangoRenderer *renderer, + PangoRenderPart part, + double y1, + double x11, + double x21, + double y2, + double x12, + double x22) +{ + CoglPangoRenderer *priv = COGL_PANGO_RENDERER (renderer); + + _COGL_RETURN_IF_FAIL (priv->display_list != NULL); + + cogl_pango_renderer_set_color_for_part (renderer, part); + + _cogl_pango_display_list_add_trapezoid (priv->display_list, + y1, + x11, + x21, + y2, + x12, + x22); +} + +static void +cogl_pango_renderer_draw_glyphs (PangoRenderer *renderer, + PangoFont *font, + PangoGlyphString *glyphs, + int xi, + int yi) +{ + CoglPangoRenderer *priv = (CoglPangoRenderer *) renderer; + CoglPangoGlyphCacheValue *cache_value; + int i; + + cogl_pango_renderer_set_color_for_part (renderer, + PANGO_RENDER_PART_FOREGROUND); + + for (i = 0; i < glyphs->num_glyphs; i++) + { + PangoGlyphInfo *gi = glyphs->glyphs + i; + float x, y; + + cogl_pango_renderer_get_device_units (renderer, + xi + gi->geometry.x_offset, + yi + gi->geometry.y_offset, + &x, &y); + + if ((gi->glyph & PANGO_GLYPH_UNKNOWN_FLAG)) + { + if (font == NULL) + { + cogl_pango_renderer_draw_box (renderer, + x, + y, + PANGO_UNKNOWN_GLYPH_WIDTH, + PANGO_UNKNOWN_GLYPH_HEIGHT); + } + else + { + PangoRectangle ink_rect; + + pango_font_get_glyph_extents (font, gi->glyph, &ink_rect, NULL); + pango_extents_to_pixels (&ink_rect, NULL); + + cogl_pango_renderer_draw_box (renderer, + x + ink_rect.x, + y + ink_rect.y + ink_rect.height, + ink_rect.width, + ink_rect.height); + } + } + else + { + /* Get the texture containing the glyph */ + cache_value = + cogl_pango_renderer_get_cached_glyph (renderer, + FALSE, + font, + gi->glyph); + + /* cogl_pango_ensure_glyph_cache_for_layout should always be + called before rendering a layout so we should never have + a dirty glyph here */ + g_assert (cache_value == NULL || !cache_value->dirty); + + if (cache_value == NULL) + { + cogl_pango_renderer_draw_box (renderer, + x, + y, + PANGO_UNKNOWN_GLYPH_WIDTH, + PANGO_UNKNOWN_GLYPH_HEIGHT); + } + else if (cache_value->texture) + { + x += (float)(cache_value->draw_x); + y += (float)(cache_value->draw_y); + + cogl_pango_renderer_draw_glyph (priv, cache_value, x, y); + } + } + + xi += gi->geometry.width; + } +} diff --git a/cogl-pango/cogl-pango.h b/cogl-pango/cogl-pango.h new file mode 100644 index 0000000..8712849 --- /dev/null +++ b/cogl-pango/cogl-pango.h @@ -0,0 +1,298 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008 OpenedHand + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Neil Roberts + * Robert Bragg + * Matthew Allum + */ + +#ifndef __COGL_PANGO_H__ +#define __COGL_PANGO_H__ + +#include +#include +#include + +/* XXX: Currently this header may be included both as an internal + * header (within the cogl-pango implementation) and as a public + * header. + * + * Since should not be included for internal use we + * determine the current context and switch between including cogl.h + * or specific internal cogl headers here... + */ +#ifndef COGL_COMPILATION +#include +#else +#include "cogl/cogl-context.h" +#endif + +COGL_BEGIN_DECLS + +/* It's too difficult to actually subclass the pango cairo font + * map. Instead we just make a fake set of macros that actually just + * directly use the original type + */ +#define COGL_PANGO_TYPE_FONT_MAP PANGO_TYPE_CAIRO_FONT_MAP +#define COGL_PANGO_FONT_MAP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), COGL_PANGO_TYPE_FONT_MAP, CoglPangoFontMap)) +#define COGL_PANGO_IS_FONT_MAP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), COGL_PANGO_TYPE_FONT_MAP)) + +typedef PangoCairoFontMap CoglPangoFontMap; + +/** + * cogl_pango_font_map_new: + * + * Creates a new font map. + * + * Return value: (transfer full): the newly created #PangoFontMap + * + * Since: 1.14 + */ +PangoFontMap * +cogl_pango_font_map_new (void); + +/** + * cogl_pango_font_map_create_context: + * @font_map: a #CoglPangoFontMap + * + * Create a #PangoContext for the given @font_map. + * + * Returns: (transfer full): the newly created context: free with g_object_unref(). + */ +PangoContext * +cogl_pango_font_map_create_context (CoglPangoFontMap *font_map); + +/** + * cogl_pango_font_map_set_resolution: + * @font_map: a #CoglPangoFontMap + * @dpi: The resolution in "dots per inch". (Physical inches aren't + * actually involved; the terminology is conventional.) + * + * Sets the resolution for the @font_map. This is a scale factor + * between points specified in a #PangoFontDescription and Cogl units. + * The default value is %96, meaning that a 10 point font will be 13 + * units high. (10 * 96. / 72. = 13.3). + * + * Since: 1.14 + */ +void +cogl_pango_font_map_set_resolution (CoglPangoFontMap *font_map, + double dpi); + +/** + * cogl_pango_font_map_clear_glyph_cache: + * @font_map: a #CoglPangoFontMap + * + * Clears the glyph cache for @font_map. + * + * Since: 1.0 + */ +void +cogl_pango_font_map_clear_glyph_cache (CoglPangoFontMap *font_map); + +/** + * cogl_pango_ensure_glyph_cache_for_layout: + * @layout: A #PangoLayout + * + * This updates any internal glyph cache textures as necessary to be + * able to render the given @layout. + * + * This api should be used to avoid mid-scene modifications of + * glyph-cache textures which can lead to undefined rendering results. + * + * Since: 1.0 + */ +void +cogl_pango_ensure_glyph_cache_for_layout (PangoLayout *layout); + +/** + * cogl_pango_font_map_set_use_mipmapping: + * @font_map: a #CoglPangoFontMap + * @value: %TRUE to enable the use of mipmapping + * + * Sets whether the renderer for the passed font map should use + * mipmapping when rendering a #PangoLayout. + * + * Since: 1.0 + */ +void +cogl_pango_font_map_set_use_mipmapping (CoglPangoFontMap *font_map, + CoglBool value); + +/** + * cogl_pango_font_map_get_use_mipmapping: + * @font_map: a #CoglPangoFontMap + * + * Retrieves whether the #CoglPangoRenderer used by @font_map will use + * mipmapping when rendering the glyphs. + * + * Return value: %TRUE if mipmapping is used, %FALSE otherwise. + * + * Since: 1.0 + */ +CoglBool +cogl_pango_font_map_get_use_mipmapping (CoglPangoFontMap *font_map); + +/** + * cogl_pango_font_map_get_renderer: + * @font_map: a #CoglPangoFontMap + * + * Retrieves the #CoglPangoRenderer for the passed @font_map. + * + * Return value: (transfer none): a #PangoRenderer + * + * Since: 1.0 + */ +PangoRenderer * +cogl_pango_font_map_get_renderer (CoglPangoFontMap *font_map); + +/** + * cogl_pango_show_layout: + * @framebuffer: A #CoglFramebuffer to draw too. + * @layout: a #PangoLayout + * @x: X coordinate to render the layout at + * @y: Y coordinate to render the layout at + * @color: color to use when rendering the layout + * + * Draws a solidly coloured @layout on the given @framebuffer at (@x, + * @y) within the @framebuffer's current model-view coordinate + * space. + * + * Since: 1.14 + */ +void +cogl_pango_show_layout (CoglFramebuffer *framebuffer, + PangoLayout *layout, + float x, + float y, + const CoglColor *color); + +/** + * cogl_pango_show_layout_line: + * @framebuffer: A #CoglFramebuffer to draw too. + * @line: a #PangoLayoutLine + * @x: X coordinate to render the line at + * @y: Y coordinate to render the line at + * @color: color to use when rendering the line + * + * Draws a solidly coloured @line on the given @framebuffer at (@x, + * @y) within the @framebuffer's current model-view coordinate + * space. + * + * Since: 1.14 + */ +void +cogl_pango_show_layout_line (CoglFramebuffer *framebuffer, + PangoLayoutLine *line, + float x, + float y, + const CoglColor *color); + + +#define COGL_PANGO_TYPE_RENDERER (cogl_pango_renderer_get_type ()) +#define COGL_PANGO_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), COGL_PANGO_TYPE_RENDERER, CoglPangoRenderer)) +#define COGL_PANGO_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), COGL_PANGO_TYPE_RENDERER, CoglPangoRendererClass)) +#define COGL_PANGO_IS_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), COGL_PANGO_TYPE_RENDERER)) +#define COGL_PANGO_IS_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), COGL_PANGO_TYPE_RENDERER)) +#define COGL_PANGO_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), COGL_PANGO_TYPE_RENDERER, CoglPangoRendererClass)) + +/* opaque types */ +typedef struct _CoglPangoRenderer CoglPangoRenderer; +typedef struct _CoglPangoRendererClass CoglPangoRendererClass; + +GType cogl_pango_renderer_get_type (void) G_GNUC_CONST; + +/** + * cogl_pango_render_layout_subpixel: + * @layout: a #PangoLayout + * @x: X coordinate (in Pango units) to render the layout at + * @y: Y coordinate (in Pango units) to render the layout at + * @color: color to use when rendering the layout + * @flags: + * + * Draws a solidly coloured @layout on the given @framebuffer at (@x, + * @y) within the @framebuffer's current model-view coordinate + * space. + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pango_show_layout() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pango_show_layout) +void +cogl_pango_render_layout_subpixel (PangoLayout *layout, + int x, + int y, + const CoglColor *color, + int flags); + +/** + * cogl_pango_render_layout: + * @layout: a #PangoLayout + * @x: X coordinate to render the layout at + * @y: Y coordinate to render the layout at + * @color: color to use when rendering the layout + * @flags: + * + * Draws a solidly coloured @layout on the given @framebuffer at (@x, + * @y) within the @framebuffer's current model-view coordinate + * space. + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pango_show_layout() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pango_show_layout) +void +cogl_pango_render_layout (PangoLayout *layout, + int x, + int y, + const CoglColor *color, + int flags); + +/** + * cogl_pango_render_layout_line: + * @line: a #PangoLayoutLine + * @x: X coordinate to render the line at + * @y: Y coordinate to render the line at + * @color: color to use when rendering the line + * + * Renders @line at the given coordinates using the given color. + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pango_show_layout() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pango_show_layout_line) +void +cogl_pango_render_layout_line (PangoLayoutLine *line, + int x, + int y, + const CoglColor *color); + +COGL_END_DECLS + +#endif /* __COGL_PANGO_H__ */ diff --git a/cogl-pango/cogl-pango.pc.in b/cogl-pango/cogl-pango.pc.in new file mode 100644 index 0000000..4db8f34 --- /dev/null +++ b/cogl-pango/cogl-pango.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=@COGL_API_VERSION@ +requires=@COGL_PKG_REQUIRES@ @COGL_PANGO_PKG_REQUIRES@ + +Name: Cogl +Description: An pango integration library for Cogl +Version: @COGL_VERSION@ +Libs: -L${libdir} -lcogl-pango +Cflags: -I${includedir}/cogl -DCOGL_ENABLE_EXPERIMENTAL_2_0_API +Requires: ${requires} diff --git a/cogl-pango/cogl-pango.rc b/cogl-pango/cogl-pango.rc new file mode 100644 index 0000000..3af6a3d --- /dev/null +++ b/cogl-pango/cogl-pango.rc @@ -0,0 +1,30 @@ +#include + +VS_VERSION_INFO VERSIONINFO + FILEVERSION 1,18,2,0 + PRODUCTVERSION 1,18,2,0 + FILEFLAGSMASK 0 + FILEFLAGS 0 + FILEOS VOS__WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE VFT2_UNKNOWN + BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904B0" + BEGIN + VALUE "CompanyName", "Intel Corporation" + VALUE "FileDescription", "cogl-pango" + VALUE "FileVersion", "1.18.2.0" + VALUE "InternalName", "libcogl-pango-1.0-2" + VALUE "LegalCopyright", "Copyright 1995-2011 © Intel Corporation" + VALUE "OriginalFilename", "libcogl-pango-1.0-2.dll" + VALUE "ProductName", "cogl-pango" + VALUE "ProductVersion", "1.18.2" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END + END diff --git a/cogl-pango/cogl-pango.rc.in b/cogl-pango/cogl-pango.rc.in new file mode 100644 index 0000000..ab8ff2d --- /dev/null +++ b/cogl-pango/cogl-pango.rc.in @@ -0,0 +1,30 @@ +#include + +VS_VERSION_INFO VERSIONINFO + FILEVERSION 1,@COGL_1_MINOR_VERSION@,@COGL_1_MICRO_VERSION@,0 + PRODUCTVERSION 1,@COGL_1_MINOR_VERSION@,@COGL_1_MICRO_VERSION@,0 + FILEFLAGSMASK 0 + FILEFLAGS 0 + FILEOS VOS__WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE VFT2_UNKNOWN + BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904B0" + BEGIN + VALUE "CompanyName", "Intel Corporation" + VALUE "FileDescription", "cogl-pango" + VALUE "FileVersion", "@COGL_1_VERSION@.0" + VALUE "InternalName", "libcogl-pango-1.0-@COGL_LT_AGE@" + VALUE "LegalCopyright", "Copyright 1995-2011 © Intel Corporation" + VALUE "OriginalFilename", "libcogl-pango-1.0-@COGL_LT_AGE@.dll" + VALUE "ProductName", "cogl-pango" + VALUE "ProductVersion", "@COGL_1_VERSION@" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END + END diff --git a/cogl-pango/cogl-pango.symbols b/cogl-pango/cogl-pango.symbols new file mode 100644 index 0000000..b86c956 --- /dev/null +++ b/cogl-pango/cogl-pango.symbols @@ -0,0 +1,12 @@ +cogl_pango_ensure_glyph_cache_for_layout +cogl_pango_font_map_clear_glyph_cache +cogl_pango_font_map_create_context +cogl_pango_font_map_get_renderer +cogl_pango_font_map_get_use_mipmapping +cogl_pango_font_map_new +cogl_pango_font_map_set_resolution +cogl_pango_font_map_set_use_mipmapping +cogl_pango_renderer_get_type +cogl_pango_render_layout +cogl_pango_render_layout_line +cogl_pango_render_layout_subpixel diff --git a/cogl-path/Makefile.am b/cogl-path/Makefile.am new file mode 100644 index 0000000..b6b7d39 --- /dev/null +++ b/cogl-path/Makefile.am @@ -0,0 +1,122 @@ +include $(top_srcdir)/build/autotools/Makefile.am.silent + +NULL = + +BUILT_SOURCES = + +CLEANFILES = +DISTCLEANFILES = + +EXTRA_DIST = + +# tesselator sources +cogl_tesselator_sources = \ + $(srcdir)/tesselator/dict-list.h \ + $(srcdir)/tesselator/dict.c \ + $(srcdir)/tesselator/dict.h \ + $(srcdir)/tesselator/geom.c \ + $(srcdir)/tesselator/geom.h \ + $(srcdir)/tesselator/gluos.h \ + $(srcdir)/tesselator/memalloc.h \ + $(srcdir)/tesselator/mesh.c \ + $(srcdir)/tesselator/mesh.h \ + $(srcdir)/tesselator/normal.c \ + $(srcdir)/tesselator/normal.h \ + $(srcdir)/tesselator/priorityq-heap.h \ + $(srcdir)/tesselator/priorityq-sort.h \ + $(srcdir)/tesselator/priorityq.c \ + $(srcdir)/tesselator/priorityq.h \ + $(srcdir)/tesselator/render.c \ + $(srcdir)/tesselator/render.h \ + $(srcdir)/tesselator/sweep.c \ + $(srcdir)/tesselator/sweep.h \ + $(srcdir)/tesselator/tess.c \ + $(srcdir)/tesselator/tess.h \ + $(srcdir)/tesselator/tesselator.h \ + $(srcdir)/tesselator/tessmono.c \ + $(srcdir)/tesselator/tessmono.h \ + $(srcdir)/tesselator/GL/glu.h \ + $(NULL) + +source_c = \ + $(cogl_tesselator_sources) \ + cogl-path-private.h \ + cogl1-path.c \ + cogl-path.c \ + $(NULL) + +EXTRA_DIST += \ + $(srcdir)/tesselator/README \ + $(srcdir)/tesselator/priorityq-heap.c \ + $(srcdir)/cogl-path.symbols \ + $(NULL) + +source_1_x_h = \ + $(srcdir)/cogl-path-types.h \ + $(srcdir)/cogl1-path-functions.h \ + $(NULL) + +source_h = \ + cogl-path.h \ + $(source_1_x_h) \ + cogl2-path-functions.h \ + $(NULL) + +if USE_GLIB +# glib-mkenums rules +glib_enum_h = cogl-path-enum-types.h +glib_enum_c = cogl-path-enum-types.c +glib_enum_headers = $(source_1_x_h) +include $(top_srcdir)/build/autotools/Makefile.am.enums +endif + +lib_LTLIBRARIES = libcogl-path.la + +libcogl_path_la_SOURCES = $(source_c) $(source_h) +nodist_libcogl_path_la_SOURCES = $(BUILT_SOURCES) +libcogl_path_la_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS) $(MAINTAINER_CFLAGS) +libcogl_path_la_LIBADD = $(top_builddir)/cogl/libcogl.la +libcogl_path_la_LIBADD += $(COGL_DEP_LIBS) $(COGL_EXTRA_LDFLAGS) +libcogl_path_la_LDFLAGS = \ + -export-dynamic \ + -export-symbols-regex "^(cogl|cogl2)_(framebuffer|path|is|clip|[sg]et)_.*" \ + -no-undefined \ + -version-info @COGL_LT_CURRENT@:@COGL_LT_REVISION@:@COGL_LT_AGE@ \ + -rpath $(libdir) + +AM_CPPFLAGS = \ + -DCOGL_COMPILATION \ + -DG_LOG_DOMAIN=\"CoglPath\" \ + -I$(srcdir)/tesselator \ + -I$(top_srcdir)/cogl \ + -I$(top_builddir)/cogl \ + -I$(top_srcdir)/cogl/winsys \ + -I$(top_srcdir) \ + -I$(top_builddir) + +cogl_pathheadersdir = $(includedir)/cogl/cogl-path +cogl_pathheaders_HEADERS = $(source_h) +if USE_GLIB +nodist_cogl_pathheaders_HEADERS = cogl-path-enum-types.h +endif + +pc_files = cogl-path-1.0.pc \ + cogl-path-2.0-experimental.pc + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = $(pc_files) + +EXTRA_DIST += cogl-path.pc.in +DISTCLEANFILES += $(pc_files) + +dist-hook: \ + $(top_builddir)/build/win32/vs9/cogl-path.vcproj \ + $(top_builddir)/build/win32/vs10/cogl-path.vcxproj \ + $(top_builddir)/build/win32/vs10/cogl-path.vcxproj.filters + +MSVC_PROJECT = cogl-path +MSVC_PROJECT_SRCDIR = cogl-path +MSVC_PROJECT_SRCS = $(source_c) +MSVC_PROJECT_EXCLUDES = dummy + +include $(top_srcdir)/build/Makefile-msvcproj.mak diff --git a/cogl-path/Makefile.in b/cogl-path/Makefile.in new file mode 100644 index 0000000..2ce1645 --- /dev/null +++ b/cogl-path/Makefile.in @@ -0,0 +1,1208 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR 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$(top_builddir)/build/win32/vs10/$(MSVC_PROJECT).vcxproj.filters +EXTRA_DIST = $(srcdir)/tesselator/README \ + $(srcdir)/tesselator/priorityq-heap.c \ + $(srcdir)/cogl-path.symbols $(NULL) $(am__append_4) \ + cogl-path.pc.in + +# tesselator sources +cogl_tesselator_sources = \ + $(srcdir)/tesselator/dict-list.h \ + $(srcdir)/tesselator/dict.c \ + $(srcdir)/tesselator/dict.h \ + $(srcdir)/tesselator/geom.c \ + $(srcdir)/tesselator/geom.h \ + $(srcdir)/tesselator/gluos.h \ + $(srcdir)/tesselator/memalloc.h \ + $(srcdir)/tesselator/mesh.c \ + $(srcdir)/tesselator/mesh.h \ + $(srcdir)/tesselator/normal.c \ + $(srcdir)/tesselator/normal.h \ + $(srcdir)/tesselator/priorityq-heap.h \ + $(srcdir)/tesselator/priorityq-sort.h \ + $(srcdir)/tesselator/priorityq.c \ + $(srcdir)/tesselator/priorityq.h \ + $(srcdir)/tesselator/render.c \ + $(srcdir)/tesselator/render.h \ + $(srcdir)/tesselator/sweep.c \ + $(srcdir)/tesselator/sweep.h \ + $(srcdir)/tesselator/tess.c \ + $(srcdir)/tesselator/tess.h \ + $(srcdir)/tesselator/tesselator.h \ + $(srcdir)/tesselator/tessmono.c \ + $(srcdir)/tesselator/tessmono.h \ + $(srcdir)/tesselator/GL/glu.h \ + $(NULL) + +source_c = \ + $(cogl_tesselator_sources) \ + cogl-path-private.h \ + cogl1-path.c \ + cogl-path.c \ + $(NULL) + +source_1_x_h = \ + $(srcdir)/cogl-path-types.h \ + $(srcdir)/cogl1-path-functions.h \ + $(NULL) + +source_h = \ + cogl-path.h \ + $(source_1_x_h) \ + cogl2-path-functions.h \ + $(NULL) + + +# glib-mkenums rules +@USE_GLIB_TRUE@glib_enum_h = cogl-path-enum-types.h +@USE_GLIB_TRUE@glib_enum_c = cogl-path-enum-types.c +@USE_GLIB_TRUE@glib_enum_headers = $(source_1_x_h) +@USE_GLIB_TRUE@enum_tmpl_h = $(addprefix $(srcdir)/, $(glib_enum_h:.h=.h.in)) +@USE_GLIB_TRUE@enum_tmpl_c = $(addprefix $(srcdir)/, $(glib_enum_c:.c=.c.in)) +lib_LTLIBRARIES = libcogl-path.la +libcogl_path_la_SOURCES = $(source_c) $(source_h) +nodist_libcogl_path_la_SOURCES = $(BUILT_SOURCES) +libcogl_path_la_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS) $(MAINTAINER_CFLAGS) +libcogl_path_la_LIBADD = $(top_builddir)/cogl/libcogl.la \ + $(COGL_DEP_LIBS) $(COGL_EXTRA_LDFLAGS) +libcogl_path_la_LDFLAGS = \ + -export-dynamic \ + -export-symbols-regex "^(cogl|cogl2)_(framebuffer|path|is|clip|[sg]et)_.*" \ + -no-undefined \ + -version-info @COGL_LT_CURRENT@:@COGL_LT_REVISION@:@COGL_LT_AGE@ \ + -rpath $(libdir) + +AM_CPPFLAGS = \ + -DCOGL_COMPILATION \ + -DG_LOG_DOMAIN=\"CoglPath\" \ + -I$(srcdir)/tesselator \ + -I$(top_srcdir)/cogl \ + -I$(top_builddir)/cogl \ + -I$(top_srcdir)/cogl/winsys \ + -I$(top_srcdir) \ + -I$(top_builddir) + +cogl_pathheadersdir = $(includedir)/cogl/cogl-path +cogl_pathheaders_HEADERS = $(source_h) +@USE_GLIB_TRUE@nodist_cogl_pathheaders_HEADERS = cogl-path-enum-types.h +pc_files = cogl-path-1.0.pc \ + cogl-path-2.0-experimental.pc + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = $(pc_files) +MSVC_PROJECT = cogl-path +MSVC_PROJECT_SRCDIR = cogl-path +MSVC_PROJECT_SRCS = $(source_c) +MSVC_PROJECT_EXCLUDES = dummy +all: $(BUILT_SOURCES) + $(MAKE) $(AM_MAKEFLAGS) all-am + +.SUFFIXES: +.SUFFIXES: .c .lo .o .obj +$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(top_srcdir)/build/autotools/Makefile.am.silent $(top_srcdir)/build/autotools/Makefile.am.enums $(top_srcdir)/build/Makefile-msvcproj.mak $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \ + && { if test -f $@; then exit 0; else break; fi; }; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign cogl-path/Makefile'; \ + $(am__cd) $(top_srcdir) && \ + $(AUTOMAKE) --foreign cogl-path/Makefile +.PRECIOUS: Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \ + esac; +$(top_srcdir)/build/autotools/Makefile.am.silent $(top_srcdir)/build/autotools/Makefile.am.enums $(top_srcdir)/build/Makefile-msvcproj.mak: + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(am__aclocal_m4_deps): +cogl-path-1.0.pc: $(top_builddir)/config.status $(srcdir)/cogl-path-1.0.pc.in + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ +cogl-path-2.0-experimental.pc: $(top_builddir)/config.status $(srcdir)/cogl-path-2.0-experimental.pc.in + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ + +install-libLTLIBRARIES: $(lib_LTLIBRARIES) + @$(NORMAL_INSTALL) + @list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \ + list2=; for p in $$list; do \ + if test -f $$p; then \ + list2="$$list2 $$p"; \ + else :; fi; \ + done; \ + test -z "$$list2" || { \ + echo " $(MKDIR_P) '$(DESTDIR)$(libdir)'"; \ + $(MKDIR_P) "$(DESTDIR)$(libdir)" || exit 1; \ + echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(libdir)'"; \ + $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(libdir)"; \ + } + +uninstall-libLTLIBRARIES: + @$(NORMAL_UNINSTALL) + @list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \ + for p in $$list; do \ + $(am__strip_dir) \ + echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$f'"; \ + $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(libdir)/$$f"; \ + done + +clean-libLTLIBRARIES: + -test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES) + @list='$(lib_LTLIBRARIES)'; \ + locs=`for p in $$list; do echo $$p; done | \ + sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \ + sort -u`; \ + test -z "$$locs" || { \ + echo rm -f $${locs}; \ + rm -f $${locs}; \ + } + +libcogl-path.la: $(libcogl_path_la_OBJECTS) $(libcogl_path_la_DEPENDENCIES) $(EXTRA_libcogl_path_la_DEPENDENCIES) + $(AM_V_CCLD)$(libcogl_path_la_LINK) -rpath $(libdir) $(libcogl_path_la_OBJECTS) $(libcogl_path_la_LIBADD) $(LIBS) + +mostlyclean-compile: + -rm -f *.$(OBJEXT) + +distclean-compile: + -rm -f *.tab.c + +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-cogl-path-enum-types.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-cogl-path.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-cogl1-path.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-dict.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-geom.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-mesh.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-normal.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-priorityq.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-render.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-sweep.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-tess.Plo@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcogl_path_la-tessmono.Plo@am__quote@ + +.c.o: +@am__fastdepCC_TRUE@ $(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $< + +.c.obj: +@am__fastdepCC_TRUE@ $(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'` +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'` + +.c.lo: +@am__fastdepCC_TRUE@ $(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $< +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $< + +libcogl_path_la-dict.lo: $(srcdir)/tesselator/dict.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -MT libcogl_path_la-dict.lo -MD -MP -MF $(DEPDIR)/libcogl_path_la-dict.Tpo -c -o libcogl_path_la-dict.lo `test -f '$(srcdir)/tesselator/dict.c' || echo '$(srcdir)/'`$(srcdir)/tesselator/dict.c +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libcogl_path_la-dict.Tpo $(DEPDIR)/libcogl_path_la-dict.Plo +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$(srcdir)/tesselator/dict.c' object='libcogl_path_la-dict.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -c -o libcogl_path_la-dict.lo `test -f '$(srcdir)/tesselator/dict.c' || echo '$(srcdir)/'`$(srcdir)/tesselator/dict.c + +libcogl_path_la-geom.lo: $(srcdir)/tesselator/geom.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -MT libcogl_path_la-geom.lo -MD -MP -MF $(DEPDIR)/libcogl_path_la-geom.Tpo -c -o libcogl_path_la-geom.lo `test -f '$(srcdir)/tesselator/geom.c' || echo '$(srcdir)/'`$(srcdir)/tesselator/geom.c +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libcogl_path_la-geom.Tpo $(DEPDIR)/libcogl_path_la-geom.Plo +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$(srcdir)/tesselator/geom.c' object='libcogl_path_la-geom.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -c -o libcogl_path_la-geom.lo `test -f '$(srcdir)/tesselator/geom.c' || echo '$(srcdir)/'`$(srcdir)/tesselator/geom.c + +libcogl_path_la-mesh.lo: $(srcdir)/tesselator/mesh.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -MT libcogl_path_la-mesh.lo -MD -MP -MF $(DEPDIR)/libcogl_path_la-mesh.Tpo -c -o libcogl_path_la-mesh.lo `test -f '$(srcdir)/tesselator/mesh.c' || echo '$(srcdir)/'`$(srcdir)/tesselator/mesh.c +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libcogl_path_la-mesh.Tpo $(DEPDIR)/libcogl_path_la-mesh.Plo +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$(srcdir)/tesselator/mesh.c' object='libcogl_path_la-mesh.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -c -o libcogl_path_la-mesh.lo `test -f '$(srcdir)/tesselator/mesh.c' || echo '$(srcdir)/'`$(srcdir)/tesselator/mesh.c + +libcogl_path_la-normal.lo: $(srcdir)/tesselator/normal.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -MT libcogl_path_la-normal.lo -MD -MP -MF $(DEPDIR)/libcogl_path_la-normal.Tpo -c -o libcogl_path_la-normal.lo `test -f '$(srcdir)/tesselator/normal.c' || echo '$(srcdir)/'`$(srcdir)/tesselator/normal.c +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libcogl_path_la-normal.Tpo $(DEPDIR)/libcogl_path_la-normal.Plo +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$(srcdir)/tesselator/normal.c' object='libcogl_path_la-normal.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -c -o libcogl_path_la-normal.lo `test -f '$(srcdir)/tesselator/normal.c' || echo '$(srcdir)/'`$(srcdir)/tesselator/normal.c + +libcogl_path_la-priorityq.lo: $(srcdir)/tesselator/priorityq.c +@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -MT libcogl_path_la-priorityq.lo -MD -MP -MF $(DEPDIR)/libcogl_path_la-priorityq.Tpo -c -o libcogl_path_la-priorityq.lo `test -f '$(srcdir)/tesselator/priorityq.c' || echo '$(srcdir)/'`$(srcdir)/tesselator/priorityq.c +@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libcogl_path_la-priorityq.Tpo $(DEPDIR)/libcogl_path_la-priorityq.Plo +@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='$(srcdir)/tesselator/priorityq.c' object='libcogl_path_la-priorityq.lo' libtool=yes @AMDEPBACKSLASH@ +@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@ +@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(libcogl_path_la_CFLAGS) $(CFLAGS) -c -o libcogl_path_la-priorityq.lo `test -f '$(srcdir)/tesselator/priorityq.c' || 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info-am install install-am \ + install-cogl_pathheadersHEADERS install-data install-data-am \ + install-dvi install-dvi-am install-exec install-exec-am \ + install-html install-html-am install-info install-info-am \ + install-libLTLIBRARIES install-man \ + install-nodist_cogl_pathheadersHEADERS install-pdf \ + install-pdf-am install-pkgconfigDATA install-ps install-ps-am \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \ + uninstall-cogl_pathheadersHEADERS uninstall-libLTLIBRARIES \ + uninstall-nodist_cogl_pathheadersHEADERS \ + uninstall-pkgconfigDATA + + +# Basic sanity checks +@USE_GLIB_TRUE@$(if $(GLIB_MKENUMS),,$(error Need to define GLIB_MKENUMS)) + +@USE_GLIB_TRUE@$(if $(or $(glib_enum_h), \ +@USE_GLIB_TRUE@ $(glib_enum_c)),, \ +@USE_GLIB_TRUE@ $(error Need to define glib_enum_h and glib_enum_c)) + +@USE_GLIB_TRUE@$(if $(glib_enum_headers),,$(error Need to define glib_enum_headers)) + +@USE_GLIB_TRUE@stamp-enum-types: $(glib_enum_headers) $(enum_tmpl_h) +@USE_GLIB_TRUE@ $(AM_V_GEN)$(GLIB_MKENUMS) \ +@USE_GLIB_TRUE@ --template $(enum_tmpl_h) \ +@USE_GLIB_TRUE@ $(glib_enum_headers) > xgen-eh \ +@USE_GLIB_TRUE@ && (cmp -s xgen-eh $(glib_enum_h) || cp -f xgen-eh $(glib_enum_h)) \ +@USE_GLIB_TRUE@ && rm -f xgen-eh \ +@USE_GLIB_TRUE@ && echo timestamp > $(@F) + +@USE_GLIB_TRUE@$(glib_enum_h): stamp-enum-types +@USE_GLIB_TRUE@ @true + +@USE_GLIB_TRUE@$(glib_enum_c): $(glib_enum_headers) $(glib_enum_h) $(enum_tmpl_c) +@USE_GLIB_TRUE@ $(AM_V_GEN)$(GLIB_MKENUMS) \ +@USE_GLIB_TRUE@ --template $(enum_tmpl_c) \ +@USE_GLIB_TRUE@ $(glib_enum_headers) > xgen-ec \ +@USE_GLIB_TRUE@ && cp -f xgen-ec $(glib_enum_c) \ +@USE_GLIB_TRUE@ && rm -f xgen-ec + +dist-hook: \ + $(top_builddir)/build/win32/vs9/cogl-path.vcproj \ + $(top_builddir)/build/win32/vs10/cogl-path.vcxproj \ + $(top_builddir)/build/win32/vs10/cogl-path.vcxproj.filters + +$(top_builddir)/build/win32/vs9/$(MSVC_PROJECT).vcproj: $(top_srcdir)/build/win32/vs9/$(MSVC_PROJECT).vcprojin + for F in `echo $(MSVC_PROJECT_SRCS) | sed 's/\.\///g' | tr '/' '\\'`; do \ + case $$F in \ + $(MSVC_PROJECT_EXCLUDES)) \ + ;; \ + *.c) echo ' ' \ + ;; \ + esac; \ + done | sort -u >$(MSVC_PROJECT).sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs9/$(MSVC_PROJECT).vcprojin >$@ + rm $(MSVC_PROJECT).sourcefiles + +$(top_builddir)/build/win32/vs10/$(MSVC_PROJECT).vcxproj: $(top_srcdir)/build/win32/vs10/$(MSVC_PROJECT).vcxprojin + for F in `echo $(MSVC_PROJECT_SRCS) | sed 's/\.\///g' | tr '/' '\\'`; do \ + case $$F in \ + $(MSVC_PROJECT_EXCLUDES)) \ + ;; \ + *.c) echo ' ' \ + ;; \ + esac; \ + done | sort -u >$(MSVC_PROJECT).vs10.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/$(MSVC_PROJECT).vcxprojin >$@ + rm $(MSVC_PROJECT).vs10.sourcefiles + +$(top_builddir)/build/win32/vs10/$(MSVC_PROJECT).vcxproj.filters: $(top_srcdir)/build/win32/vs10/$(MSVC_PROJECT).vcxproj.filtersin + for F in `echo $(MSVC_PROJECT_SRCS) | sed 's/\.\///g' | tr '/' '\\'`; do \ + case $$F in \ + $(MSVC_PROJECT_EXCLUDES)) \ + ;; \ + *.c) echo ' Source Files' \ + ;; \ + esac; \ + done | sort -u >$(MSVC_PROJECT).vs10.sourcefiles.filters + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/$(MSVC_PROJECT).vcxproj.filtersin >$@ + rm $(MSVC_PROJECT).vs10.sourcefiles.filters + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/cogl-path/cogl-path-1.0.pc.in b/cogl-path/cogl-path-1.0.pc.in new file mode 100644 index 0000000..9cb7c97 --- /dev/null +++ b/cogl-path/cogl-path-1.0.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=1.0 +requires=@COGL_PKG_REQUIRES@ cogl-1.0 + +Name: Cogl +Description: A 2D path drawing library for Cogl +Version: @COGL_1_VERSION@ +Libs: -L${libdir} -lcogl-path +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl-path/cogl-path-2.0-experimental.pc.in b/cogl-path/cogl-path-2.0-experimental.pc.in new file mode 100644 index 0000000..8ce25ec --- /dev/null +++ b/cogl-path/cogl-path-2.0-experimental.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=@COGL_API_VERSION@ +requires=@COGL_PKG_REQUIRES@ cogl-2.0-experimental + +Name: Cogl +Description: A 2D path drawing library for Cogl +Version: @COGL_1_VERSION@ +Libs: -L${libdir} -lcogl-path +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl-path/cogl-path-enum-types.c.in b/cogl-path/cogl-path-enum-types.c.in new file mode 100644 index 0000000..5474607 --- /dev/null +++ b/cogl-path/cogl-path-enum-types.c.in @@ -0,0 +1,50 @@ +/*** BEGIN file-header ***/ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* We need to undefine this so that we will be sure to include + * cogl-path.h instead of cogl2-path.h when we include the framebuffer + * header. Otherwise it will include both headers and it won't + * compile. */ +#undef COGL_ENABLE_EXPERIMENTAL_2_0_API + +#include "cogl-path-enum-types.h" +/*** END file-header ***/ + +/*** BEGIN file-production ***/ + +/* enumerations from "@filename@" */ +#include "@filename@" + +/*** END file-production ***/ + +/*** BEGIN value-header ***/ +GType +@enum_name@_get_type (void) +{ + static volatile gsize g_enum_type_id__volatile = 0; + + if (g_once_init_enter (&g_enum_type_id__volatile)) + { + static const G@Type@Value values[] = { +/*** END value-header ***/ + +/*** BEGIN value-production ***/ + { @VALUENAME@, "@VALUENAME@", "@valuenick@" }, +/*** END value-production ***/ + +/*** BEGIN value-tail ***/ + { 0, NULL, NULL } + }; + GType g_enum_type_id; + + g_enum_type_id = + g_@type@_register_static (g_intern_static_string ("@EnumName@"), values); + + g_once_init_leave (&g_enum_type_id__volatile, g_enum_type_id); + } + + return g_enum_type_id__volatile; +} +/*** END value-tail ***/ diff --git a/cogl-path/cogl-path-enum-types.h.in b/cogl-path/cogl-path-enum-types.h.in new file mode 100644 index 0000000..071686a --- /dev/null +++ b/cogl-path/cogl-path-enum-types.h.in @@ -0,0 +1,25 @@ +/*** BEGIN file-header ***/ +#ifndef __COGL_PATH_ENUM_TYPES_H__ +#define __COGL_PATH_ENUM_TYPES_H__ + +#include + +G_BEGIN_DECLS + +/*** END file-header ***/ + +/*** BEGIN file-production ***/ +/* enumerations from "@filename@" */ +/*** END file-production ***/ + +/*** BEGIN file-tail ***/ +G_END_DECLS + +#endif /* __COGL_PATH_ENUM_TYPES_H__ */ +/*** END file-tail ***/ + +/*** BEGIN value-header ***/ +GType @enum_name@_get_type (void) G_GNUC_CONST; +#define COGL_TYPE_@ENUMSHORT@ (@enum_name@_get_type()) + +/*** END value-header ***/ diff --git a/cogl-path/cogl-path-private.h b/cogl-path/cogl-path-private.h new file mode 100644 index 0000000..078e58f --- /dev/null +++ b/cogl-path/cogl-path-private.h @@ -0,0 +1,126 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_PATH_PRIVATE_H +#define __COGL_PATH_PRIVATE_H + +#include "cogl-object.h" +#include "cogl-attribute-private.h" + +typedef struct _floatVec2 +{ + float x; + float y; +} floatVec2; + +typedef struct _CoglPathNode +{ + float x; + float y; + unsigned int path_size; +} CoglPathNode; + +typedef struct _CoglBezQuad +{ + floatVec2 p1; + floatVec2 p2; + floatVec2 p3; +} CoglBezQuad; + +typedef struct _CoglBezCubic +{ + floatVec2 p1; + floatVec2 p2; + floatVec2 p3; + floatVec2 p4; +} CoglBezCubic; + +typedef struct _CoglPathData CoglPathData; + +struct _CoglPath +{ + CoglObject _parent; + + CoglPathData *data; +}; + +#define COGL_PATH_N_ATTRIBUTES 2 + +struct _CoglPathData +{ + unsigned int ref_count; + + CoglContext *context; + + CoglPathFillRule fill_rule; + + GArray *path_nodes; + + floatVec2 path_start; + floatVec2 path_pen; + unsigned int last_path; + floatVec2 path_nodes_min; + floatVec2 path_nodes_max; + + CoglAttributeBuffer *fill_attribute_buffer; + CoglIndices *fill_vbo_indices; + unsigned int fill_vbo_n_indices; + CoglAttribute *fill_attributes[COGL_PATH_N_ATTRIBUTES + 1]; + CoglPrimitive *fill_primitive; + + CoglAttributeBuffer *stroke_attribute_buffer; + CoglAttribute **stroke_attributes; + unsigned int stroke_n_attributes; + + /* This is used as an optimisation for when the path contains a + single contour specified using cogl2_path_rectangle. Cogl is more + optimised to handle rectangles than paths so we can detect this + case and divert to the journal or a rectangle clip. If it is TRUE + then the entire path can be described by calling + _cogl_path_get_bounds */ + CoglBool is_rectangle; +}; + +void +_cogl_add_path_to_stencil_buffer (CoglPath *path, + CoglBool merge, + CoglBool need_clear); + +void +_cogl_path_get_bounds (CoglPath *path, + float *min_x, + float *min_y, + float *max_x, + float *max_y); + +CoglBool +_cogl_path_is_rectangle (CoglPath *path); + +#endif /* __COGL_PATH_PRIVATE_H */ diff --git a/cogl-path/cogl-path-types.h b/cogl-path/cogl-path-types.h new file mode 100644 index 0000000..53c06ee --- /dev/null +++ b/cogl-path/cogl-path-types.h @@ -0,0 +1,85 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_PATH_TYPES_H__ +#define __COGL_PATH_TYPES_H__ + +#include + +COGL_BEGIN_DECLS + +typedef struct _CoglPath CoglPath; + +/** + * CoglPathFillRule: + * @COGL_PATH_FILL_RULE_NON_ZERO: Each time the line crosses an edge of + * the path from left to right one is added to a counter and each time + * it crosses from right to left the counter is decremented. If the + * counter is non-zero then the point will be filled. See . + * @COGL_PATH_FILL_RULE_EVEN_ODD: If the line crosses an edge of the + * path an odd number of times then the point will filled, otherwise + * it won't. See . + * + * #CoglPathFillRule is used to determine how a path is filled. There + * are two options - 'non-zero' and 'even-odd'. To work out whether any + * point will be filled imagine drawing an infinetely long line in any + * direction from that point. The number of times and the direction + * that the edges of the path crosses this line determines whether the + * line is filled as described below. Any open sub paths are treated + * as if there was an extra line joining the first point and the last + * point. + * + * The default fill rule when creating a path is %COGL_PATH_FILL_RULE_EVEN_ODD. + * + *
+ * Example of filling various paths using the non-zero rule + * + *
+ * + *
+ * Example of filling various paths using the even-odd rule + * + *
+ * + * Since: 1.4 + */ +typedef enum { + COGL_PATH_FILL_RULE_NON_ZERO, + COGL_PATH_FILL_RULE_EVEN_ODD +} CoglPathFillRule; + +COGL_END_DECLS + +#endif /* __COGL_PATH_TYPES_H__ */ diff --git a/cogl-path/cogl-path.c b/cogl-path/cogl-path.c new file mode 100644 index 0000000..2b4b3c6 --- /dev/null +++ b/cogl-path/cogl-path.c @@ -0,0 +1,1602 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Ivan Leben + * Øyvind Kolås + * Neil Roberts + * Robert Bragg + */ + +#include "config.h" + +#include "cogl-util.h" +#include "cogl-object.h" +#include "cogl-context-private.h" +#include "cogl-journal-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-primitive-private.h" +#include "cogl-texture-private.h" +#include "cogl-primitives-private.h" +#include "cogl-private.h" +#include "cogl-attribute-private.h" +#include "cogl1-context.h" +#include "tesselator/tesselator.h" + +#include "cogl-path/cogl-path.h" +#include "cogl-path-private.h" +#include "cogl-gtype-private.h" + +#include +#include + +#define _COGL_MAX_BEZ_RECURSE_DEPTH 16 + +static void _cogl_path_free (CoglPath *path); + +static void _cogl_path_build_fill_attribute_buffer (CoglPath *path); +static CoglPrimitive *_cogl_path_get_fill_primitive (CoglPath *path); +static void _cogl_path_build_stroke_attribute_buffer (CoglPath *path); + +COGL_OBJECT_DEFINE (Path, path); +COGL_GTYPE_DEFINE_CLASS (Path, path); + +static void +_cogl_path_data_clear_vbos (CoglPathData *data) +{ + int i; + + if (data->fill_attribute_buffer) + { + cogl_object_unref (data->fill_attribute_buffer); + cogl_object_unref (data->fill_vbo_indices); + + for (i = 0; i < COGL_PATH_N_ATTRIBUTES; i++) + cogl_object_unref (data->fill_attributes[i]); + + data->fill_attribute_buffer = NULL; + } + + if (data->fill_primitive) + { + cogl_object_unref (data->fill_primitive); + data->fill_primitive = NULL; + } + + if (data->stroke_attribute_buffer) + { + cogl_object_unref (data->stroke_attribute_buffer); + + for (i = 0; i < data->stroke_n_attributes; i++) + cogl_object_unref (data->stroke_attributes[i]); + + g_free (data->stroke_attributes); + + data->stroke_attribute_buffer = NULL; + } +} + +static void +_cogl_path_data_unref (CoglPathData *data) +{ + if (--data->ref_count <= 0) + { + _cogl_path_data_clear_vbos (data); + + g_array_free (data->path_nodes, TRUE); + + g_slice_free (CoglPathData, data); + } +} + +static void +_cogl_path_modify (CoglPath *path) +{ + /* This needs to be called whenever the path is about to be modified + to implement copy-on-write semantics */ + + /* If there is more than one path using the data then we need to + copy the data instead */ + if (path->data->ref_count != 1) + { + CoglPathData *old_data = path->data; + + path->data = g_slice_dup (CoglPathData, old_data); + path->data->path_nodes = g_array_new (FALSE, FALSE, + sizeof (CoglPathNode)); + g_array_append_vals (path->data->path_nodes, + old_data->path_nodes->data, + old_data->path_nodes->len); + + path->data->fill_attribute_buffer = NULL; + path->data->fill_primitive = NULL; + path->data->stroke_attribute_buffer = NULL; + path->data->ref_count = 1; + + _cogl_path_data_unref (old_data); + } + else + /* The path is altered so the vbos will now be invalid */ + _cogl_path_data_clear_vbos (path->data); +} + +void +cogl2_path_set_fill_rule (CoglPath *path, + CoglPathFillRule fill_rule) +{ + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + if (path->data->fill_rule != fill_rule) + { + _cogl_path_modify (path); + + path->data->fill_rule = fill_rule; + } +} + +CoglPathFillRule +cogl2_path_get_fill_rule (CoglPath *path) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_path (path), COGL_PATH_FILL_RULE_NON_ZERO); + + return path->data->fill_rule; +} + +static void +_cogl_path_add_node (CoglPath *path, + CoglBool new_sub_path, + float x, + float y) +{ + CoglPathNode new_node; + CoglPathData *data; + + _cogl_path_modify (path); + + data = path->data; + + new_node.x = x; + new_node.y = y; + new_node.path_size = 0; + + if (new_sub_path || data->path_nodes->len == 0) + data->last_path = data->path_nodes->len; + + g_array_append_val (data->path_nodes, new_node); + + g_array_index (data->path_nodes, CoglPathNode, data->last_path).path_size++; + + if (data->path_nodes->len == 1) + { + data->path_nodes_min.x = data->path_nodes_max.x = x; + data->path_nodes_min.y = data->path_nodes_max.y = y; + } + else + { + if (x < data->path_nodes_min.x) + data->path_nodes_min.x = x; + if (x > data->path_nodes_max.x) + data->path_nodes_max.x = x; + if (y < data->path_nodes_min.y) + data->path_nodes_min.y = y; + if (y > data->path_nodes_max.y) + data->path_nodes_max.y = y; + } + + /* Once the path nodes have been modified then we'll assume it's no + longer a rectangle. cogl2_path_rectangle will set this back to + TRUE if this has been called from there */ + data->is_rectangle = FALSE; +} + +static void +_cogl_path_stroke_nodes (CoglPath *path, + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline) +{ + CoglPathData *data; + CoglPipeline *copy = NULL; + unsigned int path_start; + int path_num = 0; + CoglPathNode *node; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + _COGL_RETURN_IF_FAIL (cogl_is_framebuffer (framebuffer)); + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + data = path->data; + + if (data->path_nodes->len == 0) + return; + + if (cogl_pipeline_get_n_layers (pipeline) != 0) + { + copy = cogl_pipeline_copy (pipeline); + _cogl_pipeline_prune_to_n_layers (copy, 0); + pipeline = copy; + } + + _cogl_path_build_stroke_attribute_buffer (path); + + for (path_start = 0; + path_start < data->path_nodes->len; + path_start += node->path_size) + { + CoglPrimitive *primitive; + + node = &g_array_index (data->path_nodes, CoglPathNode, path_start); + + primitive = + cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_LINE_STRIP, + node->path_size, + &data->stroke_attributes[path_num], + 1); + cogl_primitive_draw (primitive, framebuffer, pipeline); + cogl_object_unref (primitive); + + path_num++; + } + + if (copy) + cogl_object_unref (copy); +} + +void +_cogl_path_get_bounds (CoglPath *path, + float *min_x, + float *min_y, + float *max_x, + float *max_y) +{ + CoglPathData *data = path->data; + + if (data->path_nodes->len == 0) + { + *min_x = 0.0f; + *min_y = 0.0f; + *max_x = 0.0f; + *max_y = 0.0f; + } + else + { + *min_x = data->path_nodes_min.x; + *min_y = data->path_nodes_min.y; + *max_x = data->path_nodes_max.x; + *max_y = data->path_nodes_max.y; + } +} + +static void +_cogl_path_fill_nodes_with_clipped_rectangle (CoglPath *path, + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline) +{ + /* We need at least three stencil bits to combine clips */ + if (_cogl_framebuffer_get_stencil_bits (framebuffer) >= 3) + { + static CoglBool seen_warning = FALSE; + + if (!seen_warning) + { + g_warning ("Paths can not be filled using materials with " + "sliced textures unless there is a stencil " + "buffer"); + seen_warning = TRUE; + } + } + + cogl_framebuffer_push_path_clip (framebuffer, path); + cogl_framebuffer_draw_rectangle (framebuffer, + pipeline, + path->data->path_nodes_min.x, + path->data->path_nodes_min.y, + path->data->path_nodes_max.x, + path->data->path_nodes_max.y); + cogl_framebuffer_pop_clip (framebuffer); +} + +static CoglBool +validate_layer_cb (CoglPipelineLayer *layer, void *user_data) +{ + CoglBool *needs_fallback = user_data; + CoglTexture *texture = _cogl_pipeline_layer_get_texture (layer); + + /* If any of the layers of the current pipeline contain sliced + * textures or textures with waste then it won't work to draw the + * path directly. Instead we fallback to pushing the path as a clip + * on the clip-stack and drawing the path's bounding rectangle + * instead. + */ + + if (texture != NULL && (cogl_texture_is_sliced (texture) || + !_cogl_texture_can_hardware_repeat (texture))) + *needs_fallback = TRUE; + + return !*needs_fallback; +} + +static void +_cogl_path_fill_nodes (CoglPath *path, + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglDrawFlags flags) +{ + if (path->data->path_nodes->len == 0) + return; + + /* If the path is a simple rectangle then we can divert to using + cogl_framebuffer_draw_rectangle which should be faster because it + can go through the journal instead of uploading the geometry just + for two triangles */ + if (path->data->is_rectangle && flags == 0) + { + float x_1, y_1, x_2, y_2; + + _cogl_path_get_bounds (path, &x_1, &y_1, &x_2, &y_2); + cogl_framebuffer_draw_rectangle (framebuffer, + pipeline, + x_1, y_1, + x_2, y_2); + } + else + { + CoglBool needs_fallback = FALSE; + CoglPrimitive *primitive; + + _cogl_pipeline_foreach_layer_internal (pipeline, + validate_layer_cb, + &needs_fallback); + if (needs_fallback) + { + _cogl_path_fill_nodes_with_clipped_rectangle (path, + framebuffer, + pipeline); + return; + } + + primitive = _cogl_path_get_fill_primitive (path); + + _cogl_primitive_draw (primitive, framebuffer, pipeline, flags); + } +} + +/* TODO: Update to the protoype used in the Cogl master branch. + * This is experimental API but not in sync with the cogl_path_fill() + * api in Cogl master which takes explicit framebuffer and pipeline + * arguments */ +void +cogl2_path_fill (CoglPath *path) +{ + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + _cogl_path_fill_nodes (path, + cogl_get_draw_framebuffer (), + cogl_get_source (), + 0 /* flags */); +} + +/* TODO: Update to the protoype used in the Cogl master branch. + * This is experimental API but not in sync with the cogl_path_fill() + * api in Cogl master which takes explicit framebuffer and pipeline + * arguments */ +void +cogl2_path_stroke (CoglPath *path) +{ + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + if (path->data->path_nodes->len == 0) + return; + + _cogl_path_stroke_nodes (path, + cogl_get_draw_framebuffer (), + cogl_get_source ()); +} + +void +cogl2_path_move_to (CoglPath *path, + float x, + float y) +{ + CoglPathData *data; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + _cogl_path_add_node (path, TRUE, x, y); + + data = path->data; + + data->path_start.x = x; + data->path_start.y = y; + + data->path_pen = data->path_start; +} + +void +cogl2_path_rel_move_to (CoglPath *path, + float x, + float y) +{ + CoglPathData *data; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + data = path->data; + + cogl2_path_move_to (path, + data->path_pen.x + x, + data->path_pen.y + y); +} + +void +cogl2_path_line_to (CoglPath *path, + float x, + float y) +{ + CoglPathData *data; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + _cogl_path_add_node (path, FALSE, x, y); + + data = path->data; + + data->path_pen.x = x; + data->path_pen.y = y; +} + +void +cogl2_path_rel_line_to (CoglPath *path, + float x, + float y) +{ + CoglPathData *data; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + data = path->data; + + cogl2_path_line_to (path, + data->path_pen.x + x, + data->path_pen.y + y); +} + +void +cogl2_path_close (CoglPath *path) +{ + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + _cogl_path_add_node (path, FALSE, path->data->path_start.x, + path->data->path_start.y); + + path->data->path_pen = path->data->path_start; +} + +void +cogl2_path_line (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2) +{ + cogl2_path_move_to (path, x_1, y_1); + cogl2_path_line_to (path, x_2, y_2); +} + +void +cogl2_path_polyline (CoglPath *path, + const float *coords, + int num_points) +{ + int c = 0; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + cogl2_path_move_to (path, coords[0], coords[1]); + + for (c = 1; c < num_points; ++c) + cogl2_path_line_to (path, coords[2*c], coords[2*c+1]); +} + +void +cogl2_path_polygon (CoglPath *path, + const float *coords, + int num_points) +{ + cogl2_path_polyline (path, coords, num_points); + cogl2_path_close (path); +} + +void +cogl2_path_rectangle (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2) +{ + CoglBool is_rectangle; + + /* If the path was previously empty and the rectangle isn't mirrored + then we'll record that this is a simple rectangle path so that we + can optimise it */ + is_rectangle = (path->data->path_nodes->len == 0 && + x_2 >= x_1 && + y_2 >= y_1); + + cogl2_path_move_to (path, x_1, y_1); + cogl2_path_line_to (path, x_2, y_1); + cogl2_path_line_to (path, x_2, y_2); + cogl2_path_line_to (path, x_1, y_2); + cogl2_path_close (path); + + path->data->is_rectangle = is_rectangle; +} + +CoglBool +_cogl_path_is_rectangle (CoglPath *path) +{ + return path->data->is_rectangle; +} + +static void +_cogl_path_arc (CoglPath *path, + float center_x, + float center_y, + float radius_x, + float radius_y, + float angle_1, + float angle_2, + float angle_step, + unsigned int move_first) +{ + float a = 0x0; + float cosa = 0x0; + float sina = 0x0; + float px = 0x0; + float py = 0x0; + + /* Fix invalid angles */ + + if (angle_1 == angle_2 || angle_step == 0x0) + return; + + if (angle_step < 0x0) + angle_step = -angle_step; + + /* Walk the arc by given step */ + + a = angle_1; + while (a != angle_2) + { + cosa = cosf (a * (G_PI/180.0)); + sina = sinf (a * (G_PI/180.0)); + + px = center_x + (cosa * radius_x); + py = center_y + (sina * radius_y); + + if (a == angle_1 && move_first) + cogl2_path_move_to (path, px, py); + else + cogl2_path_line_to (path, px, py); + + if (G_LIKELY (angle_2 > angle_1)) + { + a += angle_step; + if (a > angle_2) + a = angle_2; + } + else + { + a -= angle_step; + if (a < angle_2) + a = angle_2; + } + } + + /* Make sure the final point is drawn */ + + cosa = cosf (angle_2 * (G_PI/180.0)); + sina = sinf (angle_2 * (G_PI/180.0)); + + px = center_x + (cosa * radius_x); + py = center_y + (sina * radius_y); + + cogl2_path_line_to (path, px, py); +} + +void +cogl2_path_arc (CoglPath *path, + float center_x, + float center_y, + float radius_x, + float radius_y, + float angle_1, + float angle_2) +{ + float angle_step = 10; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + /* it is documented that a move to is needed to create a freestanding + * arc + */ + _cogl_path_arc (path, + center_x, center_y, + radius_x, radius_y, + angle_1, angle_2, + angle_step, 0 /* no move */); +} + + +static void +_cogl_path_rel_arc (CoglPath *path, + float center_x, + float center_y, + float radius_x, + float radius_y, + float angle_1, + float angle_2, + float angle_step) +{ + CoglPathData *data; + + data = path->data; + + _cogl_path_arc (path, + data->path_pen.x + center_x, + data->path_pen.y + center_y, + radius_x, radius_y, + angle_1, angle_2, + angle_step, 0 /* no move */); +} + +void +cogl2_path_ellipse (CoglPath *path, + float center_x, + float center_y, + float radius_x, + float radius_y) +{ + float angle_step = 10; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + /* FIXME: if shows to be slow might be optimized + * by mirroring just a quarter of it */ + + _cogl_path_arc (path, + center_x, center_y, + radius_x, radius_y, + 0, 360, + angle_step, 1 /* move first */); + + cogl2_path_close (path); +} + +void +cogl2_path_round_rectangle (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2, + float radius, + float arc_step) +{ + float inner_width = x_2 - x_1 - radius * 2; + float inner_height = y_2 - y_1 - radius * 2; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + cogl2_path_move_to (path, x_1, y_1 + radius); + _cogl_path_rel_arc (path, + radius, 0, + radius, radius, + 180, + 270, + arc_step); + + cogl2_path_line_to (path, + path->data->path_pen.x + inner_width, + path->data->path_pen.y); + _cogl_path_rel_arc (path, + 0, radius, + radius, radius, + -90, + 0, + arc_step); + + cogl2_path_line_to (path, + path->data->path_pen.x, + path->data->path_pen.y + inner_height); + + _cogl_path_rel_arc (path, + -radius, 0, + radius, radius, + 0, + 90, + arc_step); + + cogl2_path_line_to (path, + path->data->path_pen.x - inner_width, + path->data->path_pen.y); + _cogl_path_rel_arc (path, + 0, -radius, + radius, radius, + 90, + 180, + arc_step); + + cogl2_path_close (path); +} + +static void +_cogl_path_bezier3_sub (CoglPath *path, + CoglBezCubic *cubic) +{ + CoglBezCubic cubics[_COGL_MAX_BEZ_RECURSE_DEPTH]; + CoglBezCubic *cleft; + CoglBezCubic *cright; + CoglBezCubic *c; + floatVec2 dif1; + floatVec2 dif2; + floatVec2 mm; + floatVec2 c1; + floatVec2 c2; + floatVec2 c3; + floatVec2 c4; + floatVec2 c5; + int cindex; + + /* Put first curve on stack */ + cubics[0] = *cubic; + cindex = 0; + + while (cindex >= 0) + { + c = &cubics[cindex]; + + + /* Calculate distance of control points from their + * counterparts on the line between end points */ + dif1.x = (c->p2.x * 3) - (c->p1.x * 2) - c->p4.x; + dif1.y = (c->p2.y * 3) - (c->p1.y * 2) - c->p4.y; + dif2.x = (c->p3.x * 3) - (c->p4.x * 2) - c->p1.x; + dif2.y = (c->p3.y * 3) - (c->p4.y * 2) - c->p1.y; + + if (dif1.x < 0) + dif1.x = -dif1.x; + if (dif1.y < 0) + dif1.y = -dif1.y; + if (dif2.x < 0) + dif2.x = -dif2.x; + if (dif2.y < 0) + dif2.y = -dif2.y; + + + /* Pick the greatest of two distances */ + if (dif1.x < dif2.x) dif1.x = dif2.x; + if (dif1.y < dif2.y) dif1.y = dif2.y; + + /* Cancel if the curve is flat enough */ + if (dif1.x + dif1.y <= 1.0 || + cindex == _COGL_MAX_BEZ_RECURSE_DEPTH-1) + { + /* Add subdivision point (skip last) */ + if (cindex == 0) + return; + + _cogl_path_add_node (path, FALSE, c->p4.x, c->p4.y); + + --cindex; + + continue; + } + + /* Left recursion goes on top of stack! */ + cright = c; cleft = &cubics[++cindex]; + + /* Subdivide into 2 sub-curves */ + c1.x = ((c->p1.x + c->p2.x) / 2); + c1.y = ((c->p1.y + c->p2.y) / 2); + mm.x = ((c->p2.x + c->p3.x) / 2); + mm.y = ((c->p2.y + c->p3.y) / 2); + c5.x = ((c->p3.x + c->p4.x) / 2); + c5.y = ((c->p3.y + c->p4.y) / 2); + + c2.x = ((c1.x + mm.x) / 2); + c2.y = ((c1.y + mm.y) / 2); + c4.x = ((mm.x + c5.x) / 2); + c4.y = ((mm.y + c5.y) / 2); + + c3.x = ((c2.x + c4.x) / 2); + c3.y = ((c2.y + c4.y) / 2); + + /* Add left recursion to stack */ + cleft->p1 = c->p1; + cleft->p2 = c1; + cleft->p3 = c2; + cleft->p4 = c3; + + /* Add right recursion to stack */ + cright->p1 = c3; + cright->p2 = c4; + cright->p3 = c5; + cright->p4 = c->p4; + } +} + +void +cogl2_path_curve_to (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2, + float x_3, + float y_3) +{ + CoglBezCubic cubic; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + /* Prepare cubic curve */ + cubic.p1 = path->data->path_pen; + cubic.p2.x = x_1; + cubic.p2.y = y_1; + cubic.p3.x = x_2; + cubic.p3.y = y_2; + cubic.p4.x = x_3; + cubic.p4.y = y_3; + + /* Run subdivision */ + _cogl_path_bezier3_sub (path, &cubic); + + /* Add last point */ + _cogl_path_add_node (path, FALSE, cubic.p4.x, cubic.p4.y); + path->data->path_pen = cubic.p4; +} + +void +cogl2_path_rel_curve_to (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2, + float x_3, + float y_3) +{ + CoglPathData *data; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + data = path->data; + + cogl2_path_curve_to (path, + data->path_pen.x + x_1, + data->path_pen.y + y_1, + data->path_pen.x + x_2, + data->path_pen.y + y_2, + data->path_pen.x + x_3, + data->path_pen.y + y_3); +} + +CoglPath * +cogl2_path_new (void) +{ + CoglPath *path; + CoglPathData *data; + + _COGL_GET_CONTEXT (ctx, NULL); + + path = g_slice_new (CoglPath); + data = path->data = g_slice_new (CoglPathData); + + data->ref_count = 1; + data->context = ctx; + data->fill_rule = COGL_PATH_FILL_RULE_EVEN_ODD; + data->path_nodes = g_array_new (FALSE, FALSE, sizeof (CoglPathNode)); + data->last_path = 0; + data->fill_attribute_buffer = NULL; + data->stroke_attribute_buffer = NULL; + data->fill_primitive = NULL; + data->is_rectangle = FALSE; + + return _cogl_path_object_new (path); +} + +CoglPath * +cogl_path_copy (CoglPath *old_path) +{ + CoglPath *new_path; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_path (old_path), NULL); + + new_path = g_slice_new (CoglPath); + new_path->data = old_path->data; + new_path->data->ref_count++; + + return _cogl_path_object_new (new_path); +} + +static void +_cogl_path_free (CoglPath *path) +{ + _cogl_path_data_unref (path->data); + g_slice_free (CoglPath, path); +} + +/* If second order beziers were needed the following code could + * be re-enabled: + */ +#if 0 + +static void +_cogl_path_bezier2_sub (CoglPath *path, + CoglBezQuad *quad) +{ + CoglBezQuad quads[_COGL_MAX_BEZ_RECURSE_DEPTH]; + CoglBezQuad *qleft; + CoglBezQuad *qright; + CoglBezQuad *q; + floatVec2 mid; + floatVec2 dif; + floatVec2 c1; + floatVec2 c2; + floatVec2 c3; + int qindex; + + /* Put first curve on stack */ + quads[0] = *quad; + qindex = 0; + + /* While stack is not empty */ + while (qindex >= 0) + { + + q = &quads[qindex]; + + /* Calculate distance of control point from its + * counterpart on the line between end points */ + mid.x = ((q->p1.x + q->p3.x) / 2); + mid.y = ((q->p1.y + q->p3.y) / 2); + dif.x = (q->p2.x - mid.x); + dif.y = (q->p2.y - mid.y); + if (dif.x < 0) dif.x = -dif.x; + if (dif.y < 0) dif.y = -dif.y; + + /* Cancel if the curve is flat enough */ + if (dif.x + dif.y <= 1.0 || + qindex == _COGL_MAX_BEZ_RECURSE_DEPTH - 1) + { + /* Add subdivision point (skip last) */ + if (qindex == 0) return; + _cogl_path_add_node (path, FALSE, q->p3.x, q->p3.y); + --qindex; continue; + } + + /* Left recursion goes on top of stack! */ + qright = q; qleft = &quads[++qindex]; + + /* Subdivide into 2 sub-curves */ + c1.x = ((q->p1.x + q->p2.x) / 2); + c1.y = ((q->p1.y + q->p2.y) / 2); + c3.x = ((q->p2.x + q->p3.x) / 2); + c3.y = ((q->p2.y + q->p3.y) / 2); + c2.x = ((c1.x + c3.x) / 2); + c2.y = ((c1.y + c3.y) / 2); + + /* Add left recursion onto stack */ + qleft->p1 = q->p1; + qleft->p2 = c1; + qleft->p3 = c2; + + /* Add right recursion onto stack */ + qright->p1 = c2; + qright->p2 = c3; + qright->p3 = q->p3; + } +} + +void +cogl_path_curve2_to (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2) +{ + CoglBezQuad quad; + + /* Prepare quadratic curve */ + quad.p1 = path->data->path_pen; + quad.p2.x = x_1; + quad.p2.y = y_1; + quad.p3.x = x_2; + quad.p3.y = y_2; + + /* Run subdivision */ + _cogl_path_bezier2_sub (&quad); + + /* Add last point */ + _cogl_path_add_node (FALSE, quad.p3.x, quad.p3.y); + path->data->path_pen = quad.p3; +} + +void +cogl_rel_curve2_to (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2) +{ + CoglPathData *data; + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + data = path->data; + + cogl_path_curve2_to (data->path_pen.x + x_1, + data->path_pen.y + y_1, + data->path_pen.x + x_2, + data->path_pen.y + y_2); +} + +#endif + +typedef struct _CoglPathTesselator CoglPathTesselator; +typedef struct _CoglPathTesselatorVertex CoglPathTesselatorVertex; + +struct _CoglPathTesselator +{ + GLUtesselator *glu_tess; + GLenum primitive_type; + int vertex_number; + /* Array of CoglPathTesselatorVertex. This needs to grow when the + combine callback is called */ + GArray *vertices; + /* Array of integers for the indices into the vertices array. Each + element will either be uint8_t, uint16_t or uint32_t depending on + the number of vertices */ + GArray *indices; + CoglIndicesType indices_type; + /* Indices used to split fans and strips */ + int index_a, index_b; +}; + +struct _CoglPathTesselatorVertex +{ + float x, y, s, t; +}; + +static void +_cogl_path_tesselator_begin (GLenum type, + CoglPathTesselator *tess) +{ + g_assert (type == GL_TRIANGLES || + type == GL_TRIANGLE_FAN || + type == GL_TRIANGLE_STRIP); + + tess->primitive_type = type; + tess->vertex_number = 0; +} + +static CoglIndicesType +_cogl_path_tesselator_get_indices_type_for_size (int n_vertices) +{ + if (n_vertices <= 256) + return COGL_INDICES_TYPE_UNSIGNED_BYTE; + else if (n_vertices <= 65536) + return COGL_INDICES_TYPE_UNSIGNED_SHORT; + else + return COGL_INDICES_TYPE_UNSIGNED_INT; +} + +static void +_cogl_path_tesselator_allocate_indices_array (CoglPathTesselator *tess) +{ + switch (tess->indices_type) + { + case COGL_INDICES_TYPE_UNSIGNED_BYTE: + tess->indices = g_array_new (FALSE, FALSE, sizeof (uint8_t)); + break; + + case COGL_INDICES_TYPE_UNSIGNED_SHORT: + tess->indices = g_array_new (FALSE, FALSE, sizeof (uint16_t)); + break; + + case COGL_INDICES_TYPE_UNSIGNED_INT: + tess->indices = g_array_new (FALSE, FALSE, sizeof (uint32_t)); + break; + } +} + +static void +_cogl_path_tesselator_add_index (CoglPathTesselator *tess, int vertex_index) +{ + switch (tess->indices_type) + { + case COGL_INDICES_TYPE_UNSIGNED_BYTE: + { + uint8_t val = vertex_index; + g_array_append_val (tess->indices, val); + } + break; + + case COGL_INDICES_TYPE_UNSIGNED_SHORT: + { + uint16_t val = vertex_index; + g_array_append_val (tess->indices, val); + } + break; + + case COGL_INDICES_TYPE_UNSIGNED_INT: + { + uint32_t val = vertex_index; + g_array_append_val (tess->indices, val); + } + break; + } +} + +static void +_cogl_path_tesselator_vertex (void *vertex_data, + CoglPathTesselator *tess) +{ + int vertex_index; + + vertex_index = GPOINTER_TO_INT (vertex_data); + + /* This tries to convert all of the primitives into GL_TRIANGLES + with indices to share vertices */ + switch (tess->primitive_type) + { + case GL_TRIANGLES: + /* Directly use the vertex */ + _cogl_path_tesselator_add_index (tess, vertex_index); + break; + + case GL_TRIANGLE_FAN: + if (tess->vertex_number == 0) + tess->index_a = vertex_index; + else if (tess->vertex_number == 1) + tess->index_b = vertex_index; + else + { + /* Create a triangle with the first vertex, the previous + vertex and this vertex */ + _cogl_path_tesselator_add_index (tess, tess->index_a); + _cogl_path_tesselator_add_index (tess, tess->index_b); + _cogl_path_tesselator_add_index (tess, vertex_index); + /* Next time we will use this vertex as the previous + vertex */ + tess->index_b = vertex_index; + } + break; + + case GL_TRIANGLE_STRIP: + if (tess->vertex_number == 0) + tess->index_a = vertex_index; + else if (tess->vertex_number == 1) + tess->index_b = vertex_index; + else + { + _cogl_path_tesselator_add_index (tess, tess->index_a); + _cogl_path_tesselator_add_index (tess, tess->index_b); + _cogl_path_tesselator_add_index (tess, vertex_index); + if (tess->vertex_number & 1) + tess->index_b = vertex_index; + else + tess->index_a = vertex_index; + } + break; + + default: + g_assert_not_reached (); + } + + tess->vertex_number++; +} + +static void +_cogl_path_tesselator_end (CoglPathTesselator *tess) +{ + tess->primitive_type = GL_FALSE; +} + +static void +_cogl_path_tesselator_combine (double coords[3], + void *vertex_data[4], + float weight[4], + void **out_data, + CoglPathTesselator *tess) +{ + CoglPathTesselatorVertex *vertex; + CoglIndicesType new_indices_type; + int i; + + /* Add a new vertex to the array */ + g_array_set_size (tess->vertices, tess->vertices->len + 1); + vertex = &g_array_index (tess->vertices, + CoglPathTesselatorVertex, + tess->vertices->len - 1); + /* The data is just the index to the vertex */ + *out_data = GINT_TO_POINTER (tess->vertices->len - 1); + /* Set the coordinates of the new vertex */ + vertex->x = coords[0]; + vertex->y = coords[1]; + /* Generate the texture coordinates as the weighted average of the + four incoming coordinates */ + vertex->s = 0.0f; + vertex->t = 0.0f; + for (i = 0; i < 4; i++) + { + CoglPathTesselatorVertex *old_vertex = + &g_array_index (tess->vertices, CoglPathTesselatorVertex, + GPOINTER_TO_INT (vertex_data[i])); + vertex->s += old_vertex->s * weight[i]; + vertex->t += old_vertex->t * weight[i]; + } + + /* Check if we've reached the limit for the data type of our indices */ + new_indices_type = + _cogl_path_tesselator_get_indices_type_for_size (tess->vertices->len); + if (new_indices_type != tess->indices_type) + { + CoglIndicesType old_indices_type = new_indices_type; + GArray *old_vertices = tess->indices; + + /* Copy the indices to an array of the new type */ + tess->indices_type = new_indices_type; + _cogl_path_tesselator_allocate_indices_array (tess); + + switch (old_indices_type) + { + case COGL_INDICES_TYPE_UNSIGNED_BYTE: + for (i = 0; i < old_vertices->len; i++) + _cogl_path_tesselator_add_index (tess, + g_array_index (old_vertices, + uint8_t, i)); + break; + + case COGL_INDICES_TYPE_UNSIGNED_SHORT: + for (i = 0; i < old_vertices->len; i++) + _cogl_path_tesselator_add_index (tess, + g_array_index (old_vertices, + uint16_t, i)); + break; + + case COGL_INDICES_TYPE_UNSIGNED_INT: + for (i = 0; i < old_vertices->len; i++) + _cogl_path_tesselator_add_index (tess, + g_array_index (old_vertices, + uint32_t, i)); + break; + } + + g_array_free (old_vertices, TRUE); + } +} + +static void +_cogl_path_build_fill_attribute_buffer (CoglPath *path) +{ + CoglPathTesselator tess; + unsigned int path_start = 0; + CoglPathData *data = path->data; + int i; + + /* If we've already got a vbo then we don't need to do anything */ + if (data->fill_attribute_buffer) + return; + + tess.primitive_type = FALSE; + + /* Generate a vertex for each point on the path */ + tess.vertices = g_array_new (FALSE, FALSE, sizeof (CoglPathTesselatorVertex)); + g_array_set_size (tess.vertices, data->path_nodes->len); + for (i = 0; i < data->path_nodes->len; i++) + { + CoglPathNode *node = + &g_array_index (data->path_nodes, CoglPathNode, i); + CoglPathTesselatorVertex *vertex = + &g_array_index (tess.vertices, CoglPathTesselatorVertex, i); + + vertex->x = node->x; + vertex->y = node->y; + + /* Add texture coordinates so that a texture would be drawn to + fit the bounding box of the path and then cropped by the + path */ + if (data->path_nodes_min.x == data->path_nodes_max.x) + vertex->s = 0.0f; + else + vertex->s = ((node->x - data->path_nodes_min.x) + / (data->path_nodes_max.x - data->path_nodes_min.x)); + if (data->path_nodes_min.y == data->path_nodes_max.y) + vertex->t = 0.0f; + else + vertex->t = ((node->y - data->path_nodes_min.y) + / (data->path_nodes_max.y - data->path_nodes_min.y)); + } + + tess.indices_type = + _cogl_path_tesselator_get_indices_type_for_size (data->path_nodes->len); + _cogl_path_tesselator_allocate_indices_array (&tess); + + tess.glu_tess = gluNewTess (); + + if (data->fill_rule == COGL_PATH_FILL_RULE_EVEN_ODD) + gluTessProperty (tess.glu_tess, GLU_TESS_WINDING_RULE, + GLU_TESS_WINDING_ODD); + else + gluTessProperty (tess.glu_tess, GLU_TESS_WINDING_RULE, + GLU_TESS_WINDING_NONZERO); + + /* All vertices are on the xy-plane */ + gluTessNormal (tess.glu_tess, 0.0, 0.0, 1.0); + + gluTessCallback (tess.glu_tess, GLU_TESS_BEGIN_DATA, + _cogl_path_tesselator_begin); + gluTessCallback (tess.glu_tess, GLU_TESS_VERTEX_DATA, + _cogl_path_tesselator_vertex); + gluTessCallback (tess.glu_tess, GLU_TESS_END_DATA, + _cogl_path_tesselator_end); + gluTessCallback (tess.glu_tess, GLU_TESS_COMBINE_DATA, + _cogl_path_tesselator_combine); + + gluTessBeginPolygon (tess.glu_tess, &tess); + + while (path_start < data->path_nodes->len) + { + CoglPathNode *node = + &g_array_index (data->path_nodes, CoglPathNode, path_start); + + gluTessBeginContour (tess.glu_tess); + + for (i = 0; i < node->path_size; i++) + { + double vertex[3] = { node[i].x, node[i].y, 0.0 }; + gluTessVertex (tess.glu_tess, vertex, + GINT_TO_POINTER (i + path_start)); + } + + gluTessEndContour (tess.glu_tess); + + path_start += node->path_size; + } + + gluTessEndPolygon (tess.glu_tess); + + gluDeleteTess (tess.glu_tess); + + data->fill_attribute_buffer = + cogl_attribute_buffer_new (data->context, + sizeof (CoglPathTesselatorVertex) * + tess.vertices->len, + tess.vertices->data); + g_array_free (tess.vertices, TRUE); + + data->fill_attributes[0] = + cogl_attribute_new (data->fill_attribute_buffer, + "cogl_position_in", + sizeof (CoglPathTesselatorVertex), + G_STRUCT_OFFSET (CoglPathTesselatorVertex, x), + 2, /* n_components */ + COGL_ATTRIBUTE_TYPE_FLOAT); + data->fill_attributes[1] = + cogl_attribute_new (data->fill_attribute_buffer, + "cogl_tex_coord0_in", + sizeof (CoglPathTesselatorVertex), + G_STRUCT_OFFSET (CoglPathTesselatorVertex, s), + 2, /* n_components */ + COGL_ATTRIBUTE_TYPE_FLOAT); + + data->fill_vbo_indices = cogl_indices_new (data->context, + tess.indices_type, + tess.indices->data, + tess.indices->len); + data->fill_vbo_n_indices = tess.indices->len; + g_array_free (tess.indices, TRUE); +} + +static CoglPrimitive * +_cogl_path_get_fill_primitive (CoglPath *path) +{ + if (path->data->fill_primitive) + return path->data->fill_primitive; + + _cogl_path_build_fill_attribute_buffer (path); + + path->data->fill_primitive = + cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES, + path->data->fill_vbo_n_indices, + path->data->fill_attributes, + COGL_PATH_N_ATTRIBUTES); + cogl_primitive_set_indices (path->data->fill_primitive, + path->data->fill_vbo_indices, + path->data->fill_vbo_n_indices); + + return path->data->fill_primitive; +} + +static CoglClipStack * +_cogl_clip_stack_push_from_path (CoglClipStack *stack, + CoglPath *path, + CoglMatrixEntry *modelview_entry, + CoglMatrixEntry *projection_entry, + const float *viewport) +{ + float x_1, y_1, x_2, y_2; + + _cogl_path_get_bounds (path, &x_1, &y_1, &x_2, &y_2); + + /* If the path is a simple rectangle then we can divert to pushing a + rectangle clip instead which usually won't involve the stencil + buffer */ + if (_cogl_path_is_rectangle (path)) + return _cogl_clip_stack_push_rectangle (stack, + x_1, y_1, + x_2, y_2, + modelview_entry, + projection_entry, + viewport); + else + { + CoglPrimitive *primitive = _cogl_path_get_fill_primitive (path); + + return _cogl_clip_stack_push_primitive (stack, + primitive, + x_1, y_1, x_2, y_2, + modelview_entry, + projection_entry, + viewport); + } +} + +void +cogl_framebuffer_push_path_clip (CoglFramebuffer *framebuffer, + CoglPath *path) +{ + CoglMatrixEntry *modelview_entry = + _cogl_framebuffer_get_modelview_entry (framebuffer); + CoglMatrixEntry *projection_entry = + _cogl_framebuffer_get_projection_entry (framebuffer); + /* XXX: It would be nicer if we stored the private viewport as a + * vec4 so we could avoid this redundant copy. */ + float viewport[] = { + framebuffer->viewport_x, + framebuffer->viewport_y, + framebuffer->viewport_width, + framebuffer->viewport_height + }; + + framebuffer->clip_stack = + _cogl_clip_stack_push_from_path (framebuffer->clip_stack, + path, + modelview_entry, + projection_entry, + viewport); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_CLIP; +} + +/* XXX: deprecated */ +void +cogl_clip_push_from_path (CoglPath *path) +{ + cogl_framebuffer_push_path_clip (cogl_get_draw_framebuffer (), path); +} + +static void +_cogl_path_build_stroke_attribute_buffer (CoglPath *path) +{ + CoglPathData *data = path->data; + CoglBuffer *buffer; + unsigned int n_attributes = 0; + unsigned int path_start; + CoglPathNode *node; + floatVec2 *buffer_p; + unsigned int i; + + /* If we've already got a cached vbo then we don't need to do anything */ + if (data->stroke_attribute_buffer) + return; + + data->stroke_attribute_buffer = + cogl_attribute_buffer_new_with_size (data->context, + data->path_nodes->len * + sizeof (floatVec2)); + + buffer = COGL_BUFFER (data->stroke_attribute_buffer); + buffer_p = _cogl_buffer_map_for_fill_or_fallback (buffer); + + /* Copy the vertices in and count the number of sub paths. Each sub + path will form a separate attribute so we can paint the disjoint + line strips */ + for (path_start = 0; + path_start < data->path_nodes->len; + path_start += node->path_size) + { + node = &g_array_index (data->path_nodes, CoglPathNode, path_start); + + for (i = 0; i < node->path_size; i++) + { + buffer_p[path_start + i].x = node[i].x; + buffer_p[path_start + i].y = node[i].y; + } + + n_attributes++; + } + + _cogl_buffer_unmap_for_fill_or_fallback (buffer); + + data->stroke_attributes = g_new (CoglAttribute *, n_attributes); + + /* Now we can loop the sub paths again to create the attributes */ + for (i = 0, path_start = 0; + path_start < data->path_nodes->len; + i++, path_start += node->path_size) + { + node = &g_array_index (data->path_nodes, CoglPathNode, path_start); + + data->stroke_attributes[i] = + cogl_attribute_new (data->stroke_attribute_buffer, + "cogl_position_in", + sizeof (floatVec2), + path_start * sizeof (floatVec2), + 2, /* n_components */ + COGL_ATTRIBUTE_TYPE_FLOAT); + } + + data->stroke_n_attributes = n_attributes; +} + +/* XXX: deprecated */ +void +cogl_framebuffer_fill_path (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglPath *path) +{ + _COGL_RETURN_IF_FAIL (cogl_is_framebuffer (framebuffer)); + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + _cogl_path_fill_nodes (path, framebuffer, pipeline, 0 /* flags */); +} + +/* XXX: deprecated */ +void +cogl_framebuffer_stroke_path (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglPath *path) +{ + _COGL_RETURN_IF_FAIL (cogl_is_framebuffer (framebuffer)); + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + _cogl_path_stroke_nodes (path, framebuffer, pipeline); +} diff --git a/cogl-path/cogl-path.h b/cogl-path/cogl-path.h new file mode 100644 index 0000000..4991bbe --- /dev/null +++ b/cogl-path/cogl-path.h @@ -0,0 +1,68 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_PATH_H__ +#define __COGL_PATH_H__ + +/** + * SECTION:cogl-paths + * @short_description: Functions for constructing and drawing 2D paths. + * + * There are two levels on which drawing with cogl-paths can be used. + * The highest level functions construct various simple primitive + * shapes to be either filled or stroked. Using a lower-level set of + * functions more complex and arbitrary paths can be constructed by + * concatenating straight line, bezier curve and arc segments. + * + * When constructing arbitrary paths, the current pen location is + * initialized using the move_to command. The subsequent path segments + * implicitly use the last pen location as their first vertex and move + * the pen location to the last vertex they produce at the end. Also + * there are special versions of functions that allow specifying the + * vertices of the path segments relative to the last pen location + * rather then in the absolute coordinates. + */ + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +#include + +#ifdef COGL_ENABLE_EXPERIMENTAL_2_0_API +#include +#else +#include +#endif + +#endif /* __COGL_PATH_H__ */ + diff --git a/cogl-path/cogl-path.pc.in b/cogl-path/cogl-path.pc.in new file mode 100644 index 0000000..d8b3beb --- /dev/null +++ b/cogl-path/cogl-path.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=@COGL_API_VERSION@ +requires=@COGL_PKG_REQUIRES@ + +Name: Cogl +Description: A 2D path drawing library for Cogl +Version: @COGL_VERSION@ +Libs: -L${libdir} -lcogl-path +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl-path/cogl-path.symbols b/cogl-path/cogl-path.symbols new file mode 100644 index 0000000..b643ec0 --- /dev/null +++ b/cogl-path/cogl-path.symbols @@ -0,0 +1,59 @@ +/* cogl1-path-functions.h */ +cogl_clip_push_from_path +cogl_clip_push_from_path_preserve +cogl_get_path +cogl_is_path +cogl_path_arc +cogl_path_close +cogl_path_copy +cogl_path_curve_to +cogl_path_ellipse +cogl_path_fill +cogl_path_fill_preserve +cogl_path_get_fill_rule +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_path_get_gtype +#endif +cogl_path_line +cogl_path_line_to +cogl_path_move_to +cogl_path_new +cogl_path_polygon +cogl_path_polyline +cogl_path_rectangle +cogl_path_rel_curve_to +cogl_path_rel_line_to +cogl_path_rel_move_to +cogl_path_round_rectangle +cogl_path_set_fill_rule +cogl_path_stroke +cogl_path_stroke_preserve +cogl_set_path + +/* cogl2-path-functions.h */ +cogl_framebuffer_fill_path +cogl_framebuffer_push_path_clip +cogl_framebuffer_stroke_path +cogl2_clip_push_from_path +cogl2_path_arc +cogl2_path_close +cogl2_path_curve_to +cogl2_path_ellipse +cogl2_path_fill +cogl2_path_get_fill_rule +cogl2_path_line +cogl2_path_line_to +cogl2_path_move_to +cogl2_path_new +cogl2_path_polygon +cogl2_path_polyline +cogl2_path_rectangle +cogl2_path_rel_curve_to +cogl2_path_rel_line_to +cogl2_path_rel_move_to +cogl2_path_round_rectangle +cogl2_path_set_fill_rule +cogl2_path_stroke + +/* cogl-path-enums.h-contents may change as header is generated */ +cogl_path_fill_rule_get_type diff --git a/cogl-path/cogl1-path-functions.h b/cogl-path/cogl1-path-functions.h new file mode 100644 index 0000000..18315ab --- /dev/null +++ b/cogl-path/cogl1-path-functions.h @@ -0,0 +1,467 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_PATH_FUNCTIONS_H__ +#define __COGL_PATH_FUNCTIONS_H__ + +/* The functions are declared separately because cogl-path.c needs to + get the function declarations from the old 1.0 API without + colliding with the enum declarations from the 2.0 API */ + +#include + +COGL_BEGIN_DECLS + +/** + * cogl_is_path: + * @handle: A CoglHandle + * + * Gets whether the given handle references an existing path object. + * + * Return value: %TRUE if the handle references a #CoglPath, + * %FALSE otherwise + */ +CoglBool +cogl_is_path (CoglHandle handle); + +/** + * cogl_path_set_fill_rule: + * @fill_rule: The new fill rule. + * + * Sets the fill rule of the current path to @fill_rule. This will + * affect how the path is filled when cogl_path_fill() is later + * called. Note that the fill rule state is attached to the path so + * calling cogl_get_path() will preserve the fill rule and calling + * cogl_path_new() will reset the fill rule back to the default. + * + * Since: 1.4 + */ +void +cogl_path_set_fill_rule (CoglPathFillRule fill_rule); + +/** + * cogl_path_get_fill_rule: + * + * Retrieves the fill rule set using cogl_path_set_fill_rule(). + * + * Return value: the fill rule that is used for the current path. + * + * Since: 1.4 + */ +CoglPathFillRule +cogl_path_get_fill_rule (void); + +/** + * cogl_path_fill: + * + * Fills the interior of the constructed shape using the current + * drawing color. The current path is then cleared. To use the path + * again, call cogl_path_fill_preserve() instead. + * + * The interior of the shape is determined using the fill rule of the + * path. See %CoglPathFillRule for details. + **/ +void +cogl_path_fill (void); + +/** + * cogl_path_fill_preserve: + * + * Fills the interior of the constructed shape using the current + * drawing color and preserves the path to be used again. See + * cogl_path_fill() for a description what is considered the interior + * of the shape. + * + * Since: 1.0 + **/ +void +cogl_path_fill_preserve (void); + +/** + * cogl_path_stroke: + * + * Strokes the constructed shape using the current drawing color and a + * width of 1 pixel (regardless of the current transformation + * matrix). To current path is then cleared. To use the path again, + * call cogl_path_stroke_preserve() instead. + **/ +void +cogl_path_stroke (void); + +/** + * cogl_path_stroke_preserve: + * + * Strokes the constructed shape using the current drawing color and + * preserves the path to be used again. + * + * Since: 1.0 + **/ +void +cogl_path_stroke_preserve (void); + +/** + * cogl_path_new: + * + * Clears the current path and starts a new one. Creating a new path + * also resets the fill rule to the default which is + * %COGL_PATH_FILL_RULE_EVEN_ODD. + * + * Since: 1.0 + */ +void +cogl_path_new (void); + +/** + * cogl_path_move_to: + * @x: X coordinate of the pen location to move to. + * @y: Y coordinate of the pen location to move to. + * + * Moves the pen to the given location. If there is an existing path + * this will start a new disjoint subpath. + **/ +void +cogl_path_move_to (float x, + float y); + + +/** + * cogl_path_rel_move_to: + * @x: X offset from the current pen location to move the pen to. + * @y: Y offset from the current pen location to move the pen to. + * + * Moves the pen to the given offset relative to the current pen + * location. If there is an existing path this will start a new + * disjoint subpath. + **/ +void +cogl_path_rel_move_to (float x, + float y); + +/** + * cogl_path_line_to: + * @x: X coordinate of the end line vertex + * @y: Y coordinate of the end line vertex + * + * Adds a straight line segment to the current path that ends at the + * given coordinates. + **/ +void +cogl_path_line_to (float x, + float y); + +/** + * cogl_path_rel_line_to: + * @x: X offset from the current pen location of the end line vertex + * @y: Y offset from the current pen location of the end line vertex + * + * Adds a straight line segment to the current path that ends at the + * given coordinates relative to the current pen location. + **/ +void +cogl_path_rel_line_to (float x, + float y); + + +/** + * cogl_path_arc: + * @center_x: X coordinate of the elliptical arc center + * @center_y: Y coordinate of the elliptical arc center + * @radius_x: X radius of the elliptical arc + * @radius_y: Y radius of the elliptical arc + * @angle_1: Angle in degrees at which the arc begin + * @angle_2: Angle in degrees at which the arc ends + * + * Adds an elliptical arc segment to the current path. A straight line + * segment will link the current pen location with the first vertex + * of the arc. If you perform a move_to to the arcs start just before + * drawing it you create a free standing arc. + * + * The angles are measured in degrees where 0° is in the direction of + * the positive X axis and 90° is in the direction of the positive Y + * axis. The angle of the arc begins at @angle_1 and heads towards + * @angle_2 (so if @angle_2 is less than @angle_1 it will decrease, + * otherwise it will increase). + **/ +void +cogl_path_arc (float center_x, + float center_y, + float radius_x, + float radius_y, + float angle_1, + float angle_2); + +/** + * cogl_path_curve_to: + * @x_1: X coordinate of the second bezier control point + * @y_1: Y coordinate of the second bezier control point + * @x_2: X coordinate of the third bezier control point + * @y_2: Y coordinate of the third bezier control point + * @x_3: X coordinate of the fourth bezier control point + * @y_3: Y coordinate of the fourth bezier control point + * + * Adds a cubic bezier curve segment to the current path with the given + * second, third and fourth control points and using current pen location + * as the first control point. + **/ +void +cogl_path_curve_to (float x_1, + float y_1, + float x_2, + float y_2, + float x_3, + float y_3); + +/** + * cogl_path_rel_curve_to: + * @x_1: X coordinate of the second bezier control point + * @y_1: Y coordinate of the second bezier control point + * @x_2: X coordinate of the third bezier control point + * @y_2: Y coordinate of the third bezier control point + * @x_3: X coordinate of the fourth bezier control point + * @y_3: Y coordinate of the fourth bezier control point + * + * Adds a cubic bezier curve segment to the current path with the given + * second, third and fourth control points and using current pen location + * as the first control point. The given coordinates are relative to the + * current pen location. + */ +void +cogl_path_rel_curve_to (float x_1, + float y_1, + float x_2, + float y_2, + float x_3, + float y_3); + +/** + * cogl_path_close: + * + * Closes the path being constructed by adding a straight line segment + * to it that ends at the first vertex of the path. + **/ +void +cogl_path_close (void); + +/** + * cogl_path_line: + * @x_1: X coordinate of the start line vertex + * @y_1: Y coordinate of the start line vertex + * @x_2: X coordinate of the end line vertex + * @y_2: Y coordinate of the end line vertex + * + * Constructs a straight line shape starting and ending at the given + * coordinates. If there is an existing path this will start a new + * disjoint sub-path. + **/ +void +cogl_path_line (float x_1, + float y_1, + float x_2, + float y_2); + +/** + * cogl_path_polyline: + * @coords: (in) (array) (transfer none): A pointer to the first element of an + * array of fixed-point values that specify the vertex coordinates. + * @num_points: The total number of vertices. + * + * Constructs a series of straight line segments, starting from the + * first given vertex coordinate. If there is an existing path this + * will start a new disjoint sub-path. Each subsequent segment starts + * where the previous one ended and ends at the next given vertex + * coordinate. + * + * The coords array must contain 2 * num_points values. The first value + * represents the X coordinate of the first vertex, the second value + * represents the Y coordinate of the first vertex, continuing in the same + * fashion for the rest of the vertices. (num_points - 1) segments will + * be constructed. + **/ +void +cogl_path_polyline (const float *coords, + int num_points); + + +/** + * cogl_path_polygon: + * @coords: (in) (array) (transfer none): A pointer to the first element of + * an array of fixed-point values that specify the vertex coordinates. + * @num_points: The total number of vertices. + * + * Constructs a polygonal shape of the given number of vertices. If + * there is an existing path this will start a new disjoint sub-path. + * + * The coords array must contain 2 * num_points values. The first value + * represents the X coordinate of the first vertex, the second value + * represents the Y coordinate of the first vertex, continuing in the same + * fashion for the rest of the vertices. + **/ +void +cogl_path_polygon (const float *coords, + int num_points); + + +/** + * cogl_path_rectangle: + * @x_1: X coordinate of the top-left corner. + * @y_1: Y coordinate of the top-left corner. + * @x_2: X coordinate of the bottom-right corner. + * @y_2: Y coordinate of the bottom-right corner. + * + * Constructs a rectangular shape at the given coordinates. If there + * is an existing path this will start a new disjoint sub-path. + **/ +void +cogl_path_rectangle (float x_1, + float y_1, + float x_2, + float y_2); + +/** + * cogl_path_ellipse: + * @center_x: X coordinate of the ellipse center + * @center_y: Y coordinate of the ellipse center + * @radius_x: X radius of the ellipse + * @radius_y: Y radius of the ellipse + * + * Constructs an ellipse shape. If there is an existing path this will + * start a new disjoint sub-path. + **/ +void +cogl_path_ellipse (float center_x, + float center_y, + float radius_x, + float radius_y); + +/** + * cogl_path_round_rectangle: + * @x_1: X coordinate of the top-left corner. + * @y_1: Y coordinate of the top-left corner. + * @x_2: X coordinate of the bottom-right corner. + * @y_2: Y coordinate of the bottom-right corner. + * @radius: Radius of the corner arcs. + * @arc_step: Angle increment resolution for subdivision of + * the corner arcs. + * + * Constructs a rectangular shape with rounded corners. If there is an + * existing path this will start a new disjoint sub-path. + **/ +void +cogl_path_round_rectangle (float x_1, + float y_1, + float x_2, + float y_2, + float radius, + float arc_step); + +/** + * cogl_get_path: (skip) + * + * Gets a pointer to the current path. The path can later be used + * again by calling cogl_path_set(). Note that the path isn't copied + * so if you later call any functions to add to the path it will + * affect the returned object too. No reference is taken on the path + * so if you want to retain it you should take your own reference with + * cogl_object_ref(). + * + * Return value: a pointer to the current path. + * + * Since: 1.4 + */ +CoglPath * +cogl_get_path (void); + +/** + * cogl_set_path: (skip) + * @path: A #CoglPath object + * + * Replaces the current path with @path. A reference is taken on the + * object so if you no longer need the path you should unref with + * cogl_object_unref(). + * + * Since: 1.4 + */ +void +cogl_set_path (CoglPath *path); + +/** + * cogl_path_copy: (skip) + * @path: A #CoglPath object + * + * Returns a new copy of the path in @path. The new path has a + * reference count of 1 so you should unref it with + * cogl_object_unref() if you no longer need it. + * + * Internally the path will share the data until one of the paths is + * modified so copying paths should be relatively cheap. + * + * Return value: (transfer full): a copy of the path in @path. + */ +CoglPath * +cogl_path_copy (CoglPath *path); + +/** + * cogl_clip_push_from_path_preserve: + * + * Sets a new clipping area using the current path. The current path + * is then cleared. The clipping area is intersected with the previous + * clipping area. To restore the previous clipping area, call + * cogl_clip_pop(). + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_framebuffer_push_path_clip() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_push_path_clip) +void +cogl_clip_push_from_path_preserve (void); + +/** + * cogl_clip_push_from_path: + * + * Sets a new clipping area using the current path. The current path + * is then cleared. The clipping area is intersected with the previous + * clipping area. To restore the previous clipping area, call + * cogl_clip_pop(). + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_framebuffer_push_path_clip() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_push_path_clip) +void +cogl_clip_push_from_path (void); + +COGL_END_DECLS + +#endif /* __COGL_PATH_FUNCTIONS_H__ */ + diff --git a/cogl-path/cogl1-path.c b/cogl-path/cogl1-path.c new file mode 100644 index 0000000..b2c5923 --- /dev/null +++ b/cogl-path/cogl1-path.c @@ -0,0 +1,353 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-object.h" +#include "cogl-context-private.h" + +#include "cogl-path-types.h" + +#include "cogl2-path-functions.h" + +#undef cogl_path_set_fill_rule +#undef cogl_path_get_fill_rule +#undef cogl_path_fill +#undef cogl_path_fill_preserve +#undef cogl_path_stroke +#undef cogl_path_stroke_preserve +#undef cogl_path_move_to +#undef cogl_path_rel_move_to +#undef cogl_path_line_to +#undef cogl_path_rel_line_to +#undef cogl_path_close +#undef cogl_path_new +#undef cogl_path_line +#undef cogl_path_polyline +#undef cogl_path_polygon +#undef cogl_path_rectangle +#undef cogl_path_arc +#undef cogl_path_ellipse +#undef cogl_path_round_rectangle +#undef cogl_path_curve_to +#undef cogl_path_rel_curve_to +#undef cogl_clip_push_from_path + +#include "cogl1-path-functions.h" + +#include +#include + +static void +ensure_current_path (CoglContext *ctx) +{ + if (ctx->current_path == NULL) + ctx->current_path = cogl2_path_new (); +} + +static CoglPath * +get_current_path (CoglContext *ctx) +{ + ensure_current_path (ctx); + return ctx->current_path; +} + +void +cogl_path_set_fill_rule (CoglPathFillRule fill_rule) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_set_fill_rule (get_current_path (ctx), fill_rule); +} + +CoglPathFillRule +cogl_path_get_fill_rule (void) +{ + _COGL_GET_CONTEXT (ctx, COGL_PATH_FILL_RULE_EVEN_ODD); + + return cogl2_path_get_fill_rule (get_current_path (ctx)); +} + +void +cogl_path_fill (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_fill (get_current_path (ctx)); + + if (ctx->current_path) + cogl_object_unref (ctx->current_path); + ctx->current_path = cogl2_path_new (); +} + +void +cogl_path_fill_preserve (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_fill (get_current_path (ctx)); +} + +void +cogl_path_stroke (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_stroke (get_current_path (ctx)); + + if (ctx->current_path) + cogl_object_unref (ctx->current_path); + ctx->current_path = cogl2_path_new (); +} + +void +cogl_path_stroke_preserve (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_stroke (get_current_path (ctx)); +} + +void +cogl_path_move_to (float x, + float y) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_move_to (get_current_path (ctx), x, y); +} + +void +cogl_path_rel_move_to (float x, + float y) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_rel_move_to (get_current_path (ctx), x, y); +} + +void +cogl_path_line_to (float x, + float y) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_line_to (get_current_path (ctx), x, y); +} + +void +cogl_path_rel_line_to (float x, + float y) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_rel_line_to (get_current_path (ctx), x, y); +} + +void +cogl_path_close (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_close (get_current_path (ctx)); +} + +void +cogl_path_new (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->current_path) + cogl_object_unref (ctx->current_path); + ctx->current_path = cogl2_path_new (); +} + +void +cogl_path_line (float x_1, + float y_1, + float x_2, + float y_2) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_line (get_current_path (ctx), x_1, y_1, x_2, y_2); +} + +void +cogl_path_polyline (const float *coords, + int num_points) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_polyline (get_current_path (ctx), coords, num_points); +} + +void +cogl_path_polygon (const float *coords, + int num_points) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_polygon (get_current_path (ctx), coords, num_points); +} + +void +cogl_path_rectangle (float x_1, + float y_1, + float x_2, + float y_2) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_rectangle (get_current_path (ctx), x_1, y_1, x_2, y_2); +} + +void +cogl_path_arc (float center_x, + float center_y, + float radius_x, + float radius_y, + float angle_1, + float angle_2) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_arc (get_current_path (ctx), + center_x, + center_y, + radius_x, + radius_y, + angle_1, + angle_2); +} + +void +cogl_path_ellipse (float center_x, + float center_y, + float radius_x, + float radius_y) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_ellipse (get_current_path (ctx), + center_x, + center_y, + radius_x, + radius_y); +} + +void +cogl_path_round_rectangle (float x_1, + float y_1, + float x_2, + float y_2, + float radius, + float arc_step) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_round_rectangle (get_current_path (ctx), + x_1, y_1, x_2, y_2, radius, arc_step); +} + +void +cogl_path_curve_to (float x_1, + float y_1, + float x_2, + float y_2, + float x_3, + float y_3) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_curve_to (get_current_path (ctx), + x_1, y_1, x_2, y_2, x_3, y_3); +} + +void +cogl_path_rel_curve_to (float x_1, + float y_1, + float x_2, + float y_2, + float x_3, + float y_3) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl2_path_rel_curve_to (get_current_path (ctx), + x_1, y_1, x_2, y_2, x_3, y_3); +} + +CoglPath * +cogl_get_path (void) +{ + _COGL_GET_CONTEXT (ctx, NULL); + + return get_current_path (ctx); +} + +void +cogl_set_path (CoglPath *path) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (cogl_is_path (path)); + + /* Reference the new object first in case it is the same as the old + object */ + cogl_object_ref (path); + if (ctx->current_path) + cogl_object_unref (ctx->current_path); + ctx->current_path = path; +} + +void +cogl_clip_push_from_path_preserve (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + cogl_framebuffer_push_path_clip (cogl_get_draw_framebuffer (), + get_current_path (ctx)); +} + +void +cogl_clip_push_from_path (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl_clip_push_from_path_preserve (); + + if (ctx->current_path) + cogl_object_unref (ctx->current_path); + ctx->current_path = cogl2_path_new (); +} diff --git a/cogl-path/cogl2-path-functions.h b/cogl-path/cogl2-path-functions.h new file mode 100644 index 0000000..72c1fc8 --- /dev/null +++ b/cogl-path/cogl2-path-functions.h @@ -0,0 +1,545 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL2_PATH_FUNCTIONS_H__ +#define __COGL2_PATH_FUNCTIONS_H__ + +#include +#ifdef COGL_COMPILATION +#include "cogl-context.h" +#else +#include +#endif +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_path_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_path_get_gtype (void); +#endif + +#define cogl_path_new cogl2_path_new +/** + * cogl_path_new: + * + * Creates a new, empty path object. The default fill rule is + * %COGL_PATH_FILL_RULE_EVEN_ODD. + * + * Return value: A pointer to a newly allocated #CoglPath, which can + * be freed using cogl_object_unref(). + * + * Since: 2.0 + */ +CoglPath * +cogl_path_new (void); + +/** + * cogl_path_copy: + * @path: A #CoglPath object + * + * Returns a new copy of the path in @path. The new path has a + * reference count of 1 so you should unref it with + * cogl_object_unref() if you no longer need it. + * + * Internally the path will share the data until one of the paths is + * modified so copying paths should be relatively cheap. + * + * Return value: (transfer full): a copy of the path in @path. + * + * Since: 2.0 + */ +CoglPath * +cogl_path_copy (CoglPath *path); + +/** + * cogl_is_path: + * @object: A #CoglObject + * + * Gets whether the given object references an existing path object. + * + * Return value: %TRUE if the object references a #CoglPath, + * %FALSE otherwise. + * + * Since: 2.0 + */ +CoglBool +cogl_is_path (void *object); + +#define cogl_path_move_to cogl2_path_move_to +/** + * cogl_path_move_to: + * @x: X coordinate of the pen location to move to. + * @y: Y coordinate of the pen location to move to. + * + * Moves the pen to the given location. If there is an existing path + * this will start a new disjoint subpath. + * + * Since: 2.0 + */ +void +cogl_path_move_to (CoglPath *path, + float x, + float y); + +#define cogl_path_rel_move_to cogl2_path_rel_move_to +/** + * cogl_path_rel_move_to: + * @x: X offset from the current pen location to move the pen to. + * @y: Y offset from the current pen location to move the pen to. + * + * Moves the pen to the given offset relative to the current pen + * location. If there is an existing path this will start a new + * disjoint subpath. + * + * Since: 2.0 + */ +void +cogl_path_rel_move_to (CoglPath *path, + float x, + float y); + +#define cogl_path_line_to cogl2_path_line_to +/** + * cogl_path_line_to: + * @x: X coordinate of the end line vertex + * @y: Y coordinate of the end line vertex + * + * Adds a straight line segment to the current path that ends at the + * given coordinates. + * + * Since: 2.0 + */ +void +cogl_path_line_to (CoglPath *path, + float x, + float y); + +#define cogl_path_rel_line_to cogl2_path_rel_line_to +/** + * cogl_path_rel_line_to: + * @x: X offset from the current pen location of the end line vertex + * @y: Y offset from the current pen location of the end line vertex + * + * Adds a straight line segment to the current path that ends at the + * given coordinates relative to the current pen location. + * + * Since: 2.0 + */ +void +cogl_path_rel_line_to (CoglPath *path, + float x, + float y); + +#define cogl_path_arc cogl2_path_arc +/** + * cogl_path_arc: + * @center_x: X coordinate of the elliptical arc center + * @center_y: Y coordinate of the elliptical arc center + * @radius_x: X radius of the elliptical arc + * @radius_y: Y radius of the elliptical arc + * @angle_1: Angle in degrees at which the arc begin + * @angle_2: Angle in degrees at which the arc ends + * + * Adds an elliptical arc segment to the current path. A straight line + * segment will link the current pen location with the first vertex + * of the arc. If you perform a move_to to the arcs start just before + * drawing it you create a free standing arc. + * + * The angles are measured in degrees where 0° is in the direction of + * the positive X axis and 90° is in the direction of the positive Y + * axis. The angle of the arc begins at @angle_1 and heads towards + * @angle_2 (so if @angle_2 is less than @angle_1 it will decrease, + * otherwise it will increase). + * + * Since: 2.0 + */ +void +cogl_path_arc (CoglPath *path, + float center_x, + float center_y, + float radius_x, + float radius_y, + float angle_1, + float angle_2); + +#define cogl_path_curve_to cogl2_path_curve_to +/** + * cogl_path_curve_to: + * @x_1: X coordinate of the second bezier control point + * @y_1: Y coordinate of the second bezier control point + * @x_2: X coordinate of the third bezier control point + * @y_2: Y coordinate of the third bezier control point + * @x_3: X coordinate of the fourth bezier control point + * @y_3: Y coordinate of the fourth bezier control point + * + * Adds a cubic bezier curve segment to the current path with the given + * second, third and fourth control points and using current pen location + * as the first control point. + * + * Since: 2.0 + */ +void +cogl_path_curve_to (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2, + float x_3, + float y_3); + +#define cogl_path_rel_curve_to cogl2_path_rel_curve_to +/** + * cogl_path_rel_curve_to: + * @x_1: X coordinate of the second bezier control point + * @y_1: Y coordinate of the second bezier control point + * @x_2: X coordinate of the third bezier control point + * @y_2: Y coordinate of the third bezier control point + * @x_3: X coordinate of the fourth bezier control point + * @y_3: Y coordinate of the fourth bezier control point + * + * Adds a cubic bezier curve segment to the current path with the given + * second, third and fourth control points and using current pen location + * as the first control point. The given coordinates are relative to the + * current pen location. + * + * Since: 2.0 + */ +void +cogl_path_rel_curve_to (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2, + float x_3, + float y_3); + +#define cogl_path_close cogl2_path_close +/** + * cogl_path_close: + * + * Closes the path being constructed by adding a straight line segment + * to it that ends at the first vertex of the path. + * + * Since: 2.0 + */ +void +cogl_path_close (CoglPath *path); + +#define cogl_path_line cogl2_path_line +/** + * cogl_path_line: + * @x_1: X coordinate of the start line vertex + * @y_1: Y coordinate of the start line vertex + * @x_2: X coordinate of the end line vertex + * @y_2: Y coordinate of the end line vertex + * + * Constructs a straight line shape starting and ending at the given + * coordinates. If there is an existing path this will start a new + * disjoint sub-path. + * + * Since: 2.0 + */ +void +cogl_path_line (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2); + +#define cogl_path_polyline cogl2_path_polyline +/** + * cogl_path_polyline: + * @coords: (in) (array) (transfer none): A pointer to the first element of an + * array of fixed-point values that specify the vertex coordinates. + * @num_points: The total number of vertices. + * + * Constructs a series of straight line segments, starting from the + * first given vertex coordinate. If there is an existing path this + * will start a new disjoint sub-path. Each subsequent segment starts + * where the previous one ended and ends at the next given vertex + * coordinate. + * + * The coords array must contain 2 * num_points values. The first value + * represents the X coordinate of the first vertex, the second value + * represents the Y coordinate of the first vertex, continuing in the same + * fashion for the rest of the vertices. (num_points - 1) segments will + * be constructed. + * + * Since: 2.0 + */ +void +cogl_path_polyline (CoglPath *path, + const float *coords, + int num_points); + +#define cogl_path_polygon cogl2_path_polygon +/** + * cogl_path_polygon: + * @coords: (in) (array) (transfer none): A pointer to the first element of + * an array of fixed-point values that specify the vertex coordinates. + * @num_points: The total number of vertices. + * + * Constructs a polygonal shape of the given number of vertices. If + * there is an existing path this will start a new disjoint sub-path. + * + * The coords array must contain 2 * num_points values. The first value + * represents the X coordinate of the first vertex, the second value + * represents the Y coordinate of the first vertex, continuing in the same + * fashion for the rest of the vertices. + * + * Since: 2.0 + */ +void +cogl_path_polygon (CoglPath *path, + const float *coords, + int num_points); + +#define cogl_path_rectangle cogl2_path_rectangle +/** + * cogl_path_rectangle: + * @x_1: X coordinate of the top-left corner. + * @y_1: Y coordinate of the top-left corner. + * @x_2: X coordinate of the bottom-right corner. + * @y_2: Y coordinate of the bottom-right corner. + * + * Constructs a rectangular shape at the given coordinates. If there + * is an existing path this will start a new disjoint sub-path. + * + * Since: 2.0 + */ +void +cogl_path_rectangle (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2); + +#define cogl_path_ellipse cogl2_path_ellipse +/** + * cogl_path_ellipse: + * @center_x: X coordinate of the ellipse center + * @center_y: Y coordinate of the ellipse center + * @radius_x: X radius of the ellipse + * @radius_y: Y radius of the ellipse + * + * Constructs an ellipse shape. If there is an existing path this will + * start a new disjoint sub-path. + * + * Since: 2.0 + */ +void +cogl_path_ellipse (CoglPath *path, + float center_x, + float center_y, + float radius_x, + float radius_y); + +#define cogl_path_round_rectangle cogl2_path_round_rectangle +/** + * cogl_path_round_rectangle: + * @x_1: X coordinate of the top-left corner. + * @y_1: Y coordinate of the top-left corner. + * @x_2: X coordinate of the bottom-right corner. + * @y_2: Y coordinate of the bottom-right corner. + * @radius: Radius of the corner arcs. + * @arc_step: Angle increment resolution for subdivision of + * the corner arcs. + * + * Constructs a rectangular shape with rounded corners. If there is an + * existing path this will start a new disjoint sub-path. + * + * Since: 2.0 + */ +void +cogl_path_round_rectangle (CoglPath *path, + float x_1, + float y_1, + float x_2, + float y_2, + float radius, + float arc_step); + +#define cogl_path_set_fill_rule cogl2_path_set_fill_rule +/** + * cogl_path_set_fill_rule: + * @fill_rule: The new fill rule. + * + * Sets the fill rule of the current path to @fill_rule. This will + * affect how the path is filled when cogl_path_fill() is later + * called. Note that the fill rule state is attached to the path so + * calling cogl_get_path() will preserve the fill rule and calling + * cogl_path_new() will reset the fill rule back to the default. + * + * Since: 2.0 + */ +void +cogl_path_set_fill_rule (CoglPath *path, CoglPathFillRule fill_rule); + +#define cogl_path_get_fill_rule cogl2_path_get_fill_rule +/** + * cogl_path_get_fill_rule: + * + * Retrieves the fill rule set using cogl_path_set_fill_rule(). + * + * Return value: the fill rule that is used for the current path. + * + * Since: 2.0 + */ +CoglPathFillRule +cogl_path_get_fill_rule (CoglPath *path); + +#define cogl_path_fill cogl2_path_fill +/** + * cogl_path_fill: + * + * Fills the interior of the constructed shape using the current + * drawing color. + * + * The interior of the shape is determined using the fill rule of the + * path. See %CoglPathFillRule for details. + * + * The result of referencing sliced textures in your current + * pipeline when filling a path are undefined. You should pass + * the %COGL_TEXTURE_NO_SLICING flag when loading any texture you will + * use while filling a path. + * + * Since: 2.0 + */ +void +cogl_path_fill (CoglPath *path); + +/** + * cogl_framebuffer_fill_path: + * @framebuffer: A #CoglFramebuffer + * @pipeline: A #CoglPipeline to render with + * @path: The #CoglPath to fill + * + * Fills the interior of the path using the fragment operations + * defined by the pipeline. + * + * The interior of the shape is determined using the fill rule of the + * path. See %CoglPathFillRule for details. + * + * The result of referencing sliced textures in your current + * pipeline when filling a path are undefined. You should pass + * the %COGL_TEXTURE_NO_SLICING flag when loading any texture you will + * use while filling a path. + * + * Stability: unstable + * Deprecated: 1.16: Use cogl_path_fill() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_path_fill) +void +cogl_framebuffer_fill_path (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglPath *path); + +#define cogl_path_stroke cogl2_path_stroke +/** + * cogl_path_stroke: + * + * Strokes the constructed shape using the current drawing color and a + * width of 1 pixel (regardless of the current transformation + * matrix). + * + * Since: 2.0 + */ +void +cogl_path_stroke (CoglPath *path); + +/** + * cogl_framebuffer_stroke_path: + * @framebuffer: A #CoglFramebuffer + * @pipeline: A #CoglPipeline to render with + * @path: The #CoglPath to stroke + * + * Strokes the edge of the path using the fragment operations defined + * by the pipeline. The stroke line will have a width of 1 pixel + * regardless of the current transformation matrix. + * + * Stability: unstable + * Deprecated: 1.16: Use cogl_path_stroke() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_path_stroke) +void +cogl_framebuffer_stroke_path (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglPath *path); + +/** + * cogl_framebuffer_push_path_clip: + * @framebuffer: A #CoglFramebuffer pointer + * @path: The path to clip with. + * + * Sets a new clipping area using the silhouette of the specified, + * filled @path. The clipping area is intersected with the previous + * clipping area. To restore the previous clipping area, call + * cogl_framebuffer_pop_clip(). + * + * Since: 1.0 + * Stability: unstable + */ +void +cogl_framebuffer_push_path_clip (CoglFramebuffer *framebuffer, + CoglPath *path); + +#define cogl_clip_push_from_path cogl2_clip_push_from_path +/** + * cogl_clip_push_from_path: + * @path: The path to clip with. + * + * Sets a new clipping area using the silhouette of the specified, + * filled @path. The clipping area is intersected with the previous + * clipping area. To restore the previous clipping area, call + * call cogl_clip_pop(). + * + * Since: 1.8 + * Stability: Unstable + * Deprecated: 1.16: Use cogl_framebuffer_push_path_clip() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_push_path_clip) +void +cogl_clip_push_from_path (CoglPath *path); + +COGL_END_DECLS + +#endif /* __COGL2_PATH_FUNCTIONS_H__ */ + diff --git a/cogl-path/tesselator/GL/glu.h b/cogl-path/tesselator/GL/glu.h new file mode 100644 index 0000000..18c4024 --- /dev/null +++ b/cogl-path/tesselator/GL/glu.h @@ -0,0 +1,47 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +/* This is just a wrapper to use our simplified version of glu.h so + that the tesselator code can still #include */ + +#include "../tesselator.h" + +/* These aren't defined on GLES and we don't really want the + tesselator code to use them but we're also trying to avoid + modifying the C files so we just force them to be empty here */ + +#undef GLAPI +#define GLAPI + +#undef GLAPIENTRY +#define GLAPIENTRY + +/* GLES doesn't define a GLdouble type so lets just force it to a + regular double */ +#define GLdouble double diff --git a/cogl-path/tesselator/README b/cogl-path/tesselator/README new file mode 100644 index 0000000..66a6011 --- /dev/null +++ b/cogl-path/tesselator/README @@ -0,0 +1,446 @@ +/* +*/ + +General Polygon Tesselation +--------------------------- + + This note describes a tesselator for polygons consisting of one or + more closed contours. It is backward-compatible with the current + OpenGL Utilities tesselator, and is intended to replace it. Here is + a summary of the major differences: + + - input contours can be intersecting, self-intersecting, or degenerate. + + - supports a choice of several winding rules for determining which parts + of the polygon are on the "interior". This makes it possible to do + CSG operations on polygons. + + - boundary extraction: instead of tesselating the polygon, returns a + set of closed contours which separate the interior from the exterior. + + - returns the output as a small number of triangle fans and strips, + rather than a list of independent triangles (when possible). + + - output is available as an explicit mesh (a quad-edge structure), + in addition to the normal callback interface. + + - the algorithm used is extremely robust. + + +The interface +------------- + + The tesselator state is maintained in a "tesselator object". + These are allocated and destroyed using + + GLUtesselator *gluNewTess( void ); + void gluDeleteTess( GLUtesselator *tess ); + + Several tesselator objects may be used simultaneously. + + Inputs + ------ + + The input contours are specified with the following routines: + + void gluTessBeginPolygon( GLUtesselator *tess ); + void gluTessBeginContour( GLUtesselator *tess ); + void gluTessVertex( GLUtesselator *tess, GLUcoord coords[3], void *data ); + void gluTessEndContour( GLUtesselator *tess ); + void gluTessEndPolygon( GLUtesselator *tess ); + + Within each BeginPolygon/EndPolygon pair, there can be zero or more + calls to BeginContour/EndContour. Within each contour, there are zero + or more calls to gluTessVertex(). The vertices specify a closed + contour (the last vertex of each contour is automatically linked to + the first). + + "coords" give the coordinates of the vertex in 3-space. For useful + results, all vertices should lie in some plane, since the vertices + are projected onto a plane before tesselation. "data" is a pointer + to a user-defined vertex structure, which typically contains other + information such as color, texture coordinates, normal, etc. It is + used to refer to the vertex during rendering. + + The library can be compiled in single- or double-precision; the type + GLUcoord represents either "float" or "double" accordingly. The GLU + version will be available in double-precision only. Compile with + GLU_TESS_API_FLOAT defined to get the single-precision version. + + When EndPolygon is called, the tesselation algorithm determines + which regions are interior to the given contours, according to one + of several "winding rules" described below. The interior regions + are then tesselated, and the output is provided as callbacks. + + + Rendering Callbacks + ------------------- + + Callbacks are specified by the client using + + void gluTessCallback( GLUtesselator *tess, GLenum which, void (*fn)()); + + If "fn" is NULL, any previously defined callback is discarded. + + The callbacks used to provide output are: /* which == */ + + void begin( GLenum type ); /* GLU_TESS_BEGIN */ + void edgeFlag( GLboolean flag ); /* GLU_TESS_EDGE_FLAG */ + void vertex( void *data ); /* GLU_TESS_VERTEX */ + void end( void ); /* GLU_TESS_END */ + + Any of the callbacks may be left undefined; if so, the corresponding + information will not be supplied during rendering. + + The "begin" callback indicates the start of a primitive; type is one + of GL_TRIANGLE_STRIP, GL_TRIANGLE_FAN, or GL_TRIANGLES (but see the + notes on "boundary extraction" below). + + It is followed by any number of "vertex" callbacks, which supply the + vertices in the same order as expected by the corresponding glBegin() + call. After the last vertex of a given primitive, there is a callback + to "end". + + If the "edgeFlag" callback is provided, no triangle fans or strips + will be used. When edgeFlag is called, if "flag" is GL_TRUE then each + vertex which follows begins an edge which lies on the polygon boundary + (ie. an edge which separates an interior region from an exterior one). + If "flag" is GL_FALSE, each vertex which follows begins an edge which lies + in the polygon interior. "edgeFlag" will be called before the first + call to "vertex". + + Other Callbacks + --------------- + + void mesh( GLUmesh *mesh ); /* GLU_TESS_MESH */ + + - Returns an explicit mesh, represented using the quad-edge structure + (Guibas/Stolfi '85). Other implementations of this interface might + use a different mesh structure, so this is available only only as an + SGI extension. When the mesh is no longer needed, it should be freed + using + + void gluDeleteMesh( GLUmesh *mesh ); + + There is a brief description of this data structure in the include + file "mesh.h". For the full details, see L. Guibas and J. Stolfi, + Primitives for the manipulation of general subdivisions and the + computation of Voronoi diagrams, ACM Transactions on Graphics, + 4(2):74-123, April 1985. For an introduction, see the course notes + for CS348a, "Mathematical Foundations of Computer Graphics", + available at the Stanford bookstore (and taught during the fall + quarter). + + void error( GLenum errno ); /* GLU_TESS_ERROR */ + + - errno is one of GLU_TESS_MISSING_BEGIN_POLYGON, + GLU_TESS_MISSING_END_POLYGON, + GLU_TESS_MISSING_BEGIN_CONTOUR, + GLU_TESS_MISSING_END_CONTOUR, + GLU_TESS_COORD_TOO_LARGE, + GLU_TESS_NEED_COMBINE_CALLBACK + + The first four are obvious. The interface recovers from these + errors by inserting the missing call(s). + + GLU_TESS_COORD_TOO_LARGE says that some vertex coordinate exceeded + the predefined constant GLU_TESS_MAX_COORD in absolute value, and + that the value has been clamped. (Coordinate values must be small + enough so that two can be multiplied together without overflow.) + + GLU_TESS_NEED_COMBINE_CALLBACK says that the algorithm detected an + intersection between two edges in the input data, and the "combine" + callback (below) was not provided. No output will be generated. + + + void combine( GLUcoord coords[3], void *data[4], /* GLU_TESS_COMBINE */ + GLUcoord weight[4], void **outData ); + + - When the algorithm detects an intersection, or wishes to merge + features, it needs to create a new vertex. The vertex is defined + as a linear combination of up to 4 existing vertices, referenced + by data[0..3]. The coefficients of the linear combination are + given by weight[0..3]; these weights always sum to 1.0. All vertex + pointers are valid even when some of the weights are zero. + "coords" gives the location of the new vertex. + + The user must allocate another vertex, interpolate parameters + using "data" and "weights", and return the new vertex pointer in + "outData". This handle is supplied during rendering callbacks. + For example, if the polygon lies in an arbitrary plane in 3-space, + and we associate a color with each vertex, the combine callback might + look like this: + + void myCombine( GLUcoord coords[3], VERTEX *d[4], + GLUcoord w[4], VERTEX **dataOut ) + { + VERTEX *new = new_vertex(); + + new->x = coords[0]; + new->y = coords[1]; + new->z = coords[2]; + new->r = w[0]*d[0]->r + w[1]*d[1]->r + w[2]*d[2]->r + w[3]*d[3]->r; + new->g = w[0]*d[0]->g + w[1]*d[1]->g + w[2]*d[2]->g + w[3]*d[3]->g; + new->b = w[0]*d[0]->b + w[1]*d[1]->b + w[2]*d[2]->b + w[3]*d[3]->b; + new->a = w[0]*d[0]->a + w[1]*d[1]->a + w[2]*d[2]->a + w[3]*d[3]->a; + *dataOut = new; + } + + If the algorithm detects an intersection, then the "combine" callback + must be defined, and must write a non-NULL pointer into "dataOut". + Otherwise the GLU_TESS_NEED_COMBINE_CALLBACK error occurs, and no + output is generated. This is the only error that can occur during + tesselation and rendering. + + + Control over Tesselation + ------------------------ + + void gluTessProperty( GLUtesselator *tess, GLenum which, GLUcoord value ); + + Properties defined: + + - GLU_TESS_WINDING_RULE. Possible values: + + GLU_TESS_WINDING_ODD + GLU_TESS_WINDING_NONZERO + GLU_TESS_WINDING_POSITIVE + GLU_TESS_WINDING_NEGATIVE + GLU_TESS_WINDING_ABS_GEQ_TWO + + The input contours parition the plane into regions. A winding + rule determines which of these regions are inside the polygon. + + For a single contour C, the winding number of a point x is simply + the signed number of revolutions we make around x as we travel + once around C (where CCW is positive). When there are several + contours, the individual winding numbers are summed. This + procedure associates a signed integer value with each point x in + the plane. Note that the winding number is the same for all + points in a single region. + + The winding rule classifies a region as "inside" if its winding + number belongs to the chosen category (odd, nonzero, positive, + negative, or absolute value of at least two). The current GLU + tesselator implements the "odd" rule. The "nonzero" rule is another + common way to define the interior. The other three rules are + useful for polygon CSG operations (see below). + + - GLU_TESS_BOUNDARY_ONLY. Values: TRUE (non-zero) or FALSE (zero). + + If TRUE, returns a set of closed contours which separate the + polygon interior and exterior (rather than a tesselation). + Exterior contours are oriented CCW with respect to the normal, + interior contours are oriented CW. The GLU_TESS_BEGIN callback + uses the type GL_LINE_LOOP for each contour. + + - GLU_TESS_TOLERANCE. Value: a real number between 0.0 and 1.0. + + This specifies a tolerance for merging features to reduce the size + of the output. For example, two vertices which are very close to + each other might be replaced by a single vertex. The tolerance + is multiplied by the largest coordinate magnitude of any input vertex; + this specifies the maximum distance that any feature can move as the + result of a single merge operation. If a single feature takes part + in several merge operations, the total distance moved could be larger. + + Feature merging is completely optional; the tolerance is only a hint. + The implementation is free to merge in some cases and not in others, + or to never merge features at all. The default tolerance is zero. + + The current implementation merges vertices only if they are exactly + coincident, regardless of the current tolerance. A vertex is + spliced into an edge only if the implementation is unable to + distinguish which side of the edge the vertex lies on. + Two edges are merged only when both endpoints are identical. + + + void gluTessNormal( GLUtesselator *tess, + GLUcoord x, GLUcoord y, GLUcoord z ) + + - Lets the user supply the polygon normal, if known. All input data + is projected into a plane perpendicular to the normal before + tesselation. All output triangles are oriented CCW with + respect to the normal (CW orientation can be obtained by + reversing the sign of the supplied normal). For example, if + you know that all polygons lie in the x-y plane, call + "gluTessNormal(tess, 0.0, 0.0, 1.0)" before rendering any polygons. + + - If the supplied normal is (0,0,0) (the default value), the + normal is determined as follows. The direction of the normal, + up to its sign, is found by fitting a plane to the vertices, + without regard to how the vertices are connected. It is + expected that the input data lies approximately in plane; + otherwise projection perpendicular to the computed normal may + substantially change the geometry. The sign of the normal is + chosen so that the sum of the signed areas of all input contours + is non-negative (where a CCW contour has positive area). + + - The supplied normal persists until it is changed by another + call to gluTessNormal. + + + Backward compatibility with the GLU tesselator + ---------------------------------------------- + + The preferred interface is the one described above. The following + routines are obsolete, and are provided only for backward compatibility: + + typedef GLUtesselator GLUtriangulatorObj; /* obsolete name */ + + void gluBeginPolygon( GLUtesselator *tess ); + void gluNextContour( GLUtesselator *tess, GLenum type ); + void gluEndPolygon( GLUtesselator *tess ); + + "type" is one of GLU_EXTERIOR, GLU_INTERIOR, GLU_CCW, GLU_CW, or + GLU_UNKNOWN. It is ignored by the current GLU tesselator. + + GLU_BEGIN, GLU_VERTEX, GLU_END, GLU_ERROR, and GLU_EDGE_FLAG are defined + as synonyms for GLU_TESS_BEGIN, GLU_TESS_VERTEX, GLU_TESS_END, + GLU_TESS_ERROR, and GLU_TESS_EDGE_FLAG. + + +Polygon CSG operations +---------------------- + + The features of the tesselator make it easy to find the union, difference, + or intersection of several polygons. + + First, assume that each polygon is defined so that the winding number + is 0 for each exterior region, and 1 for each interior region. Under + this model, CCW contours define the outer boundary of the polygon, and + CW contours define holes. Contours may be nested, but a nested + contour must be oriented oppositely from the contour that contains it. + + If the original polygons do not satisfy this description, they can be + converted to this form by first running the tesselator with the + GLU_TESS_BOUNDARY_ONLY property turned on. This returns a list of + contours satisfying the restriction above. By allocating two + tesselator objects, the callbacks from one tesselator can be fed + directly to the input of another. + + Given two or more polygons of the form above, CSG operations can be + implemented as follows: + + Union + Draw all the input contours as a single polygon. The winding number + of each resulting region is the number of original polygons + which cover it. The union can be extracted using the + GLU_TESS_WINDING_NONZERO or GLU_TESS_WINDING_POSITIVE winding rules. + Note that with the nonzero rule, we would get the same result if + all contour orientations were reversed. + + Intersection (two polygons at a time only) + Draw a single polygon using the contours from both input polygons. + Extract the result using GLU_TESS_WINDING_ABS_GEQ_TWO. (Since this + winding rule looks at the absolute value, reversing all contour + orientations does not change the result.) + + Difference + + Suppose we want to compute A \ (B union C union D). Draw a single + polygon consisting of the unmodified contours from A, followed by + the contours of B,C,D with the vertex order reversed (this changes + the winding number of the interior regions to -1). To extract the + result, use the GLU_TESS_WINDING_POSITIVE rule. + + If B,C,D are the result of a GLU_TESS_BOUNDARY_ONLY call, an + alternative to reversing the vertex order is to reverse the sign of + the supplied normal. For example in the x-y plane, call + gluTessNormal( tess, 0.0, 0.0, -1.0 ). + + +Performance +----------- + + The tesselator is not intended for immediate-mode rendering; when + possible the output should be cached in a user structure or display + list. General polygon tesselation is an inherently difficult problem, + especially given the goal of extreme robustness. + + The implementation makes an effort to output a small number of fans + and strips; this should improve the rendering performance when the + output is used in a display list. + + Single-contour input polygons are first tested to see whether they can + be rendered as a triangle fan with respect to the first vertex (to + avoid running the full decomposition algorithm on convex polygons). + Non-convex polygons may be rendered by this "fast path" as well, if + the algorithm gets lucky in its choice of a starting vertex. + + For best performance follow these guidelines: + + - supply the polygon normal, if available, using gluTessNormal(). + This represents about 10% of the computation time. For example, + if all polygons lie in the x-y plane, use gluTessNormal(tess,0,0,1). + + - render many polygons using the same tesselator object, rather than + allocating a new tesselator for each one. (In a multi-threaded, + multi-processor environment you may get better performance using + several tesselators.) + + +Comparison with the GLU tesselator +---------------------------------- + + On polygons which make it through the "fast path", the tesselator is + 3 to 5 times faster than the GLU tesselator. + + On polygons which don't make it through the fast path (but which don't + have self-intersections or degeneracies), it is about 2 times slower. + + On polygons with self-intersections or degeneraces, there is nothing + to compare against. + + The new tesselator generates many more fans and strips, reducing the + number of vertices that need to be sent to the hardware. + + Key to the statistics: + + vert number of input vertices on all contours + cntr number of input contours + tri number of triangles in all output primitives + strip number of triangle strips + fan number of triangle fans + ind number of independent triangles + ms number of milliseconds for tesselation + (on a 150MHz R4400 Indy) + + Convex polygon examples: + +New: 3 vert, 1 cntr, 1 tri, 0 strip, 0 fan, 1 ind, 0.0459 ms +Old: 3 vert, 1 cntr, 1 tri, 0 strip, 0 fan, 1 ind, 0.149 ms +New: 4 vert, 1 cntr, 2 tri, 0 strip, 1 fan, 0 ind, 0.0459 ms +Old: 4 vert, 1 cntr, 2 tri, 0 strip, 0 fan, 2 ind, 0.161 ms +New: 36 vert, 1 cntr, 34 tri, 0 strip, 1 fan, 0 ind, 0.153 ms +Old: 36 vert, 1 cntr, 34 tri, 0 strip, 0 fan, 34 ind, 0.621 ms + + Concave single-contour polygons: + +New: 5 vert, 1 cntr, 3 tri, 0 strip, 1 fan, 0 ind, 0.052 ms +Old: 5 vert, 1 cntr, 3 tri, 0 strip, 0 fan, 3 ind, 0.252 ms +New: 19 vert, 1 cntr, 17 tri, 2 strip, 2 fan, 1 ind, 0.911 ms +Old: 19 vert, 1 cntr, 17 tri, 0 strip, 0 fan, 17 ind, 0.529 ms +New: 151 vert, 1 cntr, 149 tri, 13 strip, 18 fan, 3 ind, 6.82 ms +Old: 151 vert, 1 cntr, 149 tri, 0 strip, 3 fan, 143 ind, 2.7 ms +New: 574 vert, 1 cntr, 572 tri, 59 strip, 54 fan, 11 ind, 26.6 ms +Old: 574 vert, 1 cntr, 572 tri, 0 strip, 31 fan, 499 ind, 12.4 ms + + Multiple contours, but no intersections: + +New: 7 vert, 2 cntr, 7 tri, 1 strip, 0 fan, 0 ind, 0.527 ms +Old: 7 vert, 2 cntr, 7 tri, 0 strip, 0 fan, 7 ind, 0.274 ms +New: 81 vert, 6 cntr, 89 tri, 9 strip, 7 fan, 6 ind, 3.88 ms +Old: 81 vert, 6 cntr, 89 tri, 0 strip, 13 fan, 61 ind, 2.2 ms +New: 391 vert, 19 cntr, 413 tri, 37 strip, 32 fan, 26 ind, 20.2 ms +Old: 391 vert, 19 cntr, 413 tri, 0 strip, 25 fan, 363 ind, 8.68 ms + + Self-intersecting and degenerate examples: + +Bowtie: 4 vert, 1 cntr, 2 tri, 0 strip, 0 fan, 2 ind, 0.483 ms +Star: 5 vert, 1 cntr, 5 tri, 0 strip, 0 fan, 5 ind, 0.91 ms +Random: 24 vert, 7 cntr, 46 tri, 2 strip, 12 fan, 7 ind, 5.32 ms +Font: 333 vert, 2 cntr, 331 tri, 32 strip, 16 fan, 3 ind, 14.1 ms +: 167 vert, 35 cntr, 254 tri, 8 strip, 56 fan, 52 ind, 46.3 ms +: 78 vert, 1 cntr, 2675 tri, 148 strip, 207 fan, 180 ind, 243 ms +: 12480 vert, 2 cntr, 12478 tri, 736 strip,1275 fan, 5 ind, 1010 ms diff --git a/cogl-path/tesselator/dict-list.h b/cogl-path/tesselator/dict-list.h new file mode 100644 index 0000000..11331a7 --- /dev/null +++ b/cogl-path/tesselator/dict-list.h @@ -0,0 +1,100 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __dict_list_h_ +#define __dict_list_h_ + +/* Use #define's so that another heap implementation can use this one */ + +#define DictKey DictListKey +#define Dict DictList +#define DictNode DictListNode + +#define dictNewDict(frame,leq) __gl_dictListNewDict(frame,leq) +#define dictDeleteDict(dict) __gl_dictListDeleteDict(dict) + +#define dictSearch(dict,key) __gl_dictListSearch(dict,key) +#define dictInsert(dict,key) __gl_dictListInsert(dict,key) +#define dictInsertBefore(dict,node,key) __gl_dictListInsertBefore(dict,node,key) +#define dictDelete(dict,node) __gl_dictListDelete(dict,node) + +#define dictKey(n) __gl_dictListKey(n) +#define dictSucc(n) __gl_dictListSucc(n) +#define dictPred(n) __gl_dictListPred(n) +#define dictMin(d) __gl_dictListMin(d) +#define dictMax(d) __gl_dictListMax(d) + + + +typedef void *DictKey; +typedef struct Dict Dict; +typedef struct DictNode DictNode; + +Dict *dictNewDict( + void *frame, + int (*leq)(void *frame, DictKey key1, DictKey key2) ); + +void dictDeleteDict( Dict *dict ); + +/* Search returns the node with the smallest key greater than or equal + * to the given key. If there is no such key, returns a node whose + * key is NULL. Similarly, Succ(Max(d)) has a NULL key, etc. + */ +DictNode *dictSearch( Dict *dict, DictKey key ); +DictNode *dictInsertBefore( Dict *dict, DictNode *node, DictKey key ); +void dictDelete( Dict *dict, DictNode *node ); + +#define __gl_dictListKey(n) ((n)->key) +#define __gl_dictListSucc(n) ((n)->next) +#define __gl_dictListPred(n) ((n)->prev) +#define __gl_dictListMin(d) ((d)->head.next) +#define __gl_dictListMax(d) ((d)->head.prev) +#define __gl_dictListInsert(d,k) (dictInsertBefore((d),&(d)->head,(k))) + + +/*** Private data structures ***/ + +struct DictNode { + DictKey key; + DictNode *next; + DictNode *prev; +}; + +struct Dict { + DictNode head; + void *frame; + int (*leq)(void *frame, DictKey key1, DictKey key2); +}; + +#endif diff --git a/cogl-path/tesselator/dict.c b/cogl-path/tesselator/dict.c new file mode 100644 index 0000000..49d4f75 --- /dev/null +++ b/cogl-path/tesselator/dict.c @@ -0,0 +1,111 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include +#include "dict-list.h" +#include "memalloc.h" + +/* really __gl_dictListNewDict */ +Dict *dictNewDict( void *frame, + int (*leq)(void *frame, DictKey key1, DictKey key2) ) +{ + Dict *dict = (Dict *) memAlloc( sizeof( Dict )); + DictNode *head; + + if (dict == NULL) return NULL; + + head = &dict->head; + + head->key = NULL; + head->next = head; + head->prev = head; + + dict->frame = frame; + dict->leq = leq; + + return dict; +} + +/* really __gl_dictListDeleteDict */ +void dictDeleteDict( Dict *dict ) +{ + DictNode *node, *next; + + for( node = dict->head.next; node != &dict->head; node = next ) { + next = node->next; + memFree( node ); + } + memFree( dict ); +} + +/* really __gl_dictListInsertBefore */ +DictNode *dictInsertBefore( Dict *dict, DictNode *node, DictKey key ) +{ + DictNode *newNode; + + do { + node = node->prev; + } while( node->key != NULL && ! (*dict->leq)(dict->frame, node->key, key)); + + newNode = (DictNode *) memAlloc( sizeof( DictNode )); + if (newNode == NULL) return NULL; + + newNode->key = key; + newNode->next = node->next; + node->next->prev = newNode; + newNode->prev = node; + node->next = newNode; + + return newNode; +} + +/* really __gl_dictListDelete */ +void dictDelete( Dict *dict, DictNode *node ) /*ARGSUSED*/ +{ + node->next->prev = node->prev; + node->prev->next = node->next; + memFree( node ); +} + +/* really __gl_dictListSearch */ +DictNode *dictSearch( Dict *dict, DictKey key ) +{ + DictNode *node = &dict->head; + + do { + node = node->next; + } while( node->key != NULL && ! (*dict->leq)(dict->frame, key, node->key)); + + return node; +} diff --git a/cogl-path/tesselator/dict.h b/cogl-path/tesselator/dict.h new file mode 100644 index 0000000..11331a7 --- /dev/null +++ b/cogl-path/tesselator/dict.h @@ -0,0 +1,100 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __dict_list_h_ +#define __dict_list_h_ + +/* Use #define's so that another heap implementation can use this one */ + +#define DictKey DictListKey +#define Dict DictList +#define DictNode DictListNode + +#define dictNewDict(frame,leq) __gl_dictListNewDict(frame,leq) +#define dictDeleteDict(dict) __gl_dictListDeleteDict(dict) + +#define dictSearch(dict,key) __gl_dictListSearch(dict,key) +#define dictInsert(dict,key) __gl_dictListInsert(dict,key) +#define dictInsertBefore(dict,node,key) __gl_dictListInsertBefore(dict,node,key) +#define dictDelete(dict,node) __gl_dictListDelete(dict,node) + +#define dictKey(n) __gl_dictListKey(n) +#define dictSucc(n) __gl_dictListSucc(n) +#define dictPred(n) __gl_dictListPred(n) +#define dictMin(d) __gl_dictListMin(d) +#define dictMax(d) __gl_dictListMax(d) + + + +typedef void *DictKey; +typedef struct Dict Dict; +typedef struct DictNode DictNode; + +Dict *dictNewDict( + void *frame, + int (*leq)(void *frame, DictKey key1, DictKey key2) ); + +void dictDeleteDict( Dict *dict ); + +/* Search returns the node with the smallest key greater than or equal + * to the given key. If there is no such key, returns a node whose + * key is NULL. Similarly, Succ(Max(d)) has a NULL key, etc. + */ +DictNode *dictSearch( Dict *dict, DictKey key ); +DictNode *dictInsertBefore( Dict *dict, DictNode *node, DictKey key ); +void dictDelete( Dict *dict, DictNode *node ); + +#define __gl_dictListKey(n) ((n)->key) +#define __gl_dictListSucc(n) ((n)->next) +#define __gl_dictListPred(n) ((n)->prev) +#define __gl_dictListMin(d) ((d)->head.next) +#define __gl_dictListMax(d) ((d)->head.prev) +#define __gl_dictListInsert(d,k) (dictInsertBefore((d),&(d)->head,(k))) + + +/*** Private data structures ***/ + +struct DictNode { + DictKey key; + DictNode *next; + DictNode *prev; +}; + +struct Dict { + DictNode head; + void *frame; + int (*leq)(void *frame, DictKey key1, DictKey key2); +}; + +#endif diff --git a/cogl-path/tesselator/geom.c b/cogl-path/tesselator/geom.c new file mode 100644 index 0000000..35b36a3 --- /dev/null +++ b/cogl-path/tesselator/geom.c @@ -0,0 +1,264 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include "gluos.h" +#include +#include "mesh.h" +#include "geom.h" + +int __gl_vertLeq( GLUvertex *u, GLUvertex *v ) +{ + /* Returns TRUE if u is lexicographically <= v. */ + + return VertLeq( u, v ); +} + +GLdouble __gl_edgeEval( GLUvertex *u, GLUvertex *v, GLUvertex *w ) +{ + /* Given three vertices u,v,w such that VertLeq(u,v) && VertLeq(v,w), + * evaluates the t-coord of the edge uw at the s-coord of the vertex v. + * Returns v->t - (uw)(v->s), ie. the signed distance from uw to v. + * If uw is vertical (and thus passes thru v), the result is zero. + * + * The calculation is extremely accurate and stable, even when v + * is very close to u or w. In particular if we set v->t = 0 and + * let r be the negated result (this evaluates (uw)(v->s)), then + * r is guaranteed to satisfy MIN(u->t,w->t) <= r <= MAX(u->t,w->t). + */ + GLdouble gapL, gapR; + + assert( VertLeq( u, v ) && VertLeq( v, w )); + + gapL = v->s - u->s; + gapR = w->s - v->s; + + if( gapL + gapR > 0 ) { + if( gapL < gapR ) { + return (v->t - u->t) + (u->t - w->t) * (gapL / (gapL + gapR)); + } else { + return (v->t - w->t) + (w->t - u->t) * (gapR / (gapL + gapR)); + } + } + /* vertical line */ + return 0; +} + +GLdouble __gl_edgeSign( GLUvertex *u, GLUvertex *v, GLUvertex *w ) +{ + /* Returns a number whose sign matches EdgeEval(u,v,w) but which + * is cheaper to evaluate. Returns > 0, == 0 , or < 0 + * as v is above, on, or below the edge uw. + */ + GLdouble gapL, gapR; + + assert( VertLeq( u, v ) && VertLeq( v, w )); + + gapL = v->s - u->s; + gapR = w->s - v->s; + + if( gapL + gapR > 0 ) { + return (v->t - w->t) * gapL + (v->t - u->t) * gapR; + } + /* vertical line */ + return 0; +} + + +/*********************************************************************** + * Define versions of EdgeSign, EdgeEval with s and t transposed. + */ + +GLdouble __gl_transEval( GLUvertex *u, GLUvertex *v, GLUvertex *w ) +{ + /* Given three vertices u,v,w such that TransLeq(u,v) && TransLeq(v,w), + * evaluates the t-coord of the edge uw at the s-coord of the vertex v. + * Returns v->s - (uw)(v->t), ie. the signed distance from uw to v. + * If uw is vertical (and thus passes thru v), the result is zero. + * + * The calculation is extremely accurate and stable, even when v + * is very close to u or w. In particular if we set v->s = 0 and + * let r be the negated result (this evaluates (uw)(v->t)), then + * r is guaranteed to satisfy MIN(u->s,w->s) <= r <= MAX(u->s,w->s). + */ + GLdouble gapL, gapR; + + assert( TransLeq( u, v ) && TransLeq( v, w )); + + gapL = v->t - u->t; + gapR = w->t - v->t; + + if( gapL + gapR > 0 ) { + if( gapL < gapR ) { + return (v->s - u->s) + (u->s - w->s) * (gapL / (gapL + gapR)); + } else { + return (v->s - w->s) + (w->s - u->s) * (gapR / (gapL + gapR)); + } + } + /* vertical line */ + return 0; +} + +GLdouble __gl_transSign( GLUvertex *u, GLUvertex *v, GLUvertex *w ) +{ + /* Returns a number whose sign matches TransEval(u,v,w) but which + * is cheaper to evaluate. Returns > 0, == 0 , or < 0 + * as v is above, on, or below the edge uw. + */ + GLdouble gapL, gapR; + + assert( TransLeq( u, v ) && TransLeq( v, w )); + + gapL = v->t - u->t; + gapR = w->t - v->t; + + if( gapL + gapR > 0 ) { + return (v->s - w->s) * gapL + (v->s - u->s) * gapR; + } + /* vertical line */ + return 0; +} + + +int __gl_vertCCW( GLUvertex *u, GLUvertex *v, GLUvertex *w ) +{ + /* For almost-degenerate situations, the results are not reliable. + * Unless the floating-point arithmetic can be performed without + * rounding errors, *any* implementation will give incorrect results + * on some degenerate inputs, so the client must have some way to + * handle this situation. + */ + return (u->s*(v->t - w->t) + v->s*(w->t - u->t) + w->s*(u->t - v->t)) >= 0; +} + +/* Given parameters a,x,b,y returns the value (b*x+a*y)/(a+b), + * or (x+y)/2 if a==b==0. It requires that a,b >= 0, and enforces + * this in the rare case that one argument is slightly negative. + * The implementation is extremely stable numerically. + * In particular it guarantees that the result r satisfies + * MIN(x,y) <= r <= MAX(x,y), and the results are very accurate + * even when a and b differ greatly in magnitude. + */ +#define RealInterpolate(a,x,b,y) \ + (a = (a < 0) ? 0 : a, b = (b < 0) ? 0 : b, \ + ((a <= b) ? ((b == 0) ? ((x+y) / 2) \ + : (x + (y-x) * (a/(a+b)))) \ + : (y + (x-y) * (b/(a+b))))) + +#ifndef FOR_TRITE_TEST_PROGRAM +#define Interpolate(a,x,b,y) RealInterpolate(a,x,b,y) +#else + +/* Claim: the ONLY property the sweep algorithm relies on is that + * MIN(x,y) <= r <= MAX(x,y). This is a nasty way to test that. + */ +#include +extern int RandomInterpolate; + +GLdouble Interpolate( GLdouble a, GLdouble x, GLdouble b, GLdouble y) +{ +printf("*********************%d\n",RandomInterpolate); + if( RandomInterpolate ) { + a = 1.2 * drand48() - 0.1; + a = (a < 0) ? 0 : ((a > 1) ? 1 : a); + b = 1.0 - a; + } + return RealInterpolate(a,x,b,y); +} + +#endif + +#define Swap(a,b) do { GLUvertex *t = a; a = b; b = t; } while (0) + +void __gl_edgeIntersect( GLUvertex *o1, GLUvertex *d1, + GLUvertex *o2, GLUvertex *d2, + GLUvertex *v ) +/* Given edges (o1,d1) and (o2,d2), compute their point of intersection. + * The computed point is guaranteed to lie in the intersection of the + * bounding rectangles defined by each edge. + */ +{ + GLdouble z1, z2; + + /* This is certainly not the most efficient way to find the intersection + * of two line segments, but it is very numerically stable. + * + * Strategy: find the two middle vertices in the VertLeq ordering, + * and interpolate the intersection s-value from these. Then repeat + * using the TransLeq ordering to find the intersection t-value. + */ + + if( ! VertLeq( o1, d1 )) { Swap( o1, d1 ); } + if( ! VertLeq( o2, d2 )) { Swap( o2, d2 ); } + if( ! VertLeq( o1, o2 )) { Swap( o1, o2 ); Swap( d1, d2 ); } + + if( ! VertLeq( o2, d1 )) { + /* Technically, no intersection -- do our best */ + v->s = (o2->s + d1->s) / 2; + } else if( VertLeq( d1, d2 )) { + /* Interpolate between o2 and d1 */ + z1 = EdgeEval( o1, o2, d1 ); + z2 = EdgeEval( o2, d1, d2 ); + if( z1+z2 < 0 ) { z1 = -z1; z2 = -z2; } + v->s = Interpolate( z1, o2->s, z2, d1->s ); + } else { + /* Interpolate between o2 and d2 */ + z1 = EdgeSign( o1, o2, d1 ); + z2 = -EdgeSign( o1, d2, d1 ); + if( z1+z2 < 0 ) { z1 = -z1; z2 = -z2; } + v->s = Interpolate( z1, o2->s, z2, d2->s ); + } + + /* Now repeat the process for t */ + + if( ! TransLeq( o1, d1 )) { Swap( o1, d1 ); } + if( ! TransLeq( o2, d2 )) { Swap( o2, d2 ); } + if( ! TransLeq( o1, o2 )) { Swap( o1, o2 ); Swap( d1, d2 ); } + + if( ! TransLeq( o2, d1 )) { + /* Technically, no intersection -- do our best */ + v->t = (o2->t + d1->t) / 2; + } else if( TransLeq( d1, d2 )) { + /* Interpolate between o2 and d1 */ + z1 = TransEval( o1, o2, d1 ); + z2 = TransEval( o2, d1, d2 ); + if( z1+z2 < 0 ) { z1 = -z1; z2 = -z2; } + v->t = Interpolate( z1, o2->t, z2, d1->t ); + } else { + /* Interpolate between o2 and d2 */ + z1 = TransSign( o1, o2, d1 ); + z2 = -TransSign( o1, d2, d1 ); + if( z1+z2 < 0 ) { z1 = -z1; z2 = -z2; } + v->t = Interpolate( z1, o2->t, z2, d2->t ); + } +} diff --git a/cogl-path/tesselator/geom.h b/cogl-path/tesselator/geom.h new file mode 100644 index 0000000..5cb76c7 --- /dev/null +++ b/cogl-path/tesselator/geom.h @@ -0,0 +1,84 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __geom_h_ +#define __geom_h_ + +#include "mesh.h" + +#ifdef NO_BRANCH_CONDITIONS +/* MIPS architecture has special instructions to evaluate boolean + * conditions -- more efficient than branching, IF you can get the + * compiler to generate the right instructions (SGI compiler doesn't) + */ +#define VertEq(u,v) (((u)->s == (v)->s) & ((u)->t == (v)->t)) +#define VertLeq(u,v) (((u)->s < (v)->s) | \ + ((u)->s == (v)->s & (u)->t <= (v)->t)) +#else +#define VertEq(u,v) ((u)->s == (v)->s && (u)->t == (v)->t) +#define VertLeq(u,v) (((u)->s < (v)->s) || \ + ((u)->s == (v)->s && (u)->t <= (v)->t)) +#endif + +#define EdgeEval(u,v,w) __gl_edgeEval(u,v,w) +#define EdgeSign(u,v,w) __gl_edgeSign(u,v,w) + +/* Versions of VertLeq, EdgeSign, EdgeEval with s and t transposed. */ + +#define TransLeq(u,v) (((u)->t < (v)->t) || \ + ((u)->t == (v)->t && (u)->s <= (v)->s)) +#define TransEval(u,v,w) __gl_transEval(u,v,w) +#define TransSign(u,v,w) __gl_transSign(u,v,w) + + +#define EdgeGoesLeft(e) VertLeq( (e)->Dst, (e)->Org ) +#define EdgeGoesRight(e) VertLeq( (e)->Org, (e)->Dst ) + +#undef ABS +#define ABS(x) ((x) < 0 ? -(x) : (x)) +#define VertL1dist(u,v) (ABS(u->s - v->s) + ABS(u->t - v->t)) + +#define VertCCW(u,v,w) __gl_vertCCW(u,v,w) + +int __gl_vertLeq( GLUvertex *u, GLUvertex *v ); +GLdouble __gl_edgeEval( GLUvertex *u, GLUvertex *v, GLUvertex *w ); +GLdouble __gl_edgeSign( GLUvertex *u, GLUvertex *v, GLUvertex *w ); +GLdouble __gl_transEval( GLUvertex *u, GLUvertex *v, GLUvertex *w ); +GLdouble __gl_transSign( GLUvertex *u, GLUvertex *v, GLUvertex *w ); +int __gl_vertCCW( GLUvertex *u, GLUvertex *v, GLUvertex *w ); +void __gl_edgeIntersect( GLUvertex *o1, GLUvertex *d1, + GLUvertex *o2, GLUvertex *d2, + GLUvertex *v ); + +#endif diff --git a/cogl-path/tesselator/gluos.h b/cogl-path/tesselator/gluos.h new file mode 100644 index 0000000..d6c3ae9 --- /dev/null +++ b/cogl-path/tesselator/gluos.h @@ -0,0 +1 @@ +/* This is a stub header to avoid having to change tess.c */ diff --git a/cogl-path/tesselator/memalloc.h b/cogl-path/tesselator/memalloc.h new file mode 100644 index 0000000..a094b6c --- /dev/null +++ b/cogl-path/tesselator/memalloc.h @@ -0,0 +1,49 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This is a simple replacement for memalloc from the SGI tesselator + code to force it to use glib's allocation instead */ + +#ifndef __MEMALLOC_H__ +#define __MEMALLOC_H__ + +#include + +#define memRealloc g_realloc +#define memAlloc g_malloc +#define memFree g_free +#define memInit(x) 1 + +/* tess.c defines TRUE and FALSE itself unconditionally so we need to + undefine it from the glib headers */ +#undef TRUE +#undef FALSE + +#endif /* __MEMALLOC_H__ */ diff --git a/cogl-path/tesselator/mesh.c b/cogl-path/tesselator/mesh.c new file mode 100644 index 0000000..36cb3a7 --- /dev/null +++ b/cogl-path/tesselator/mesh.c @@ -0,0 +1,798 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include "gluos.h" +#include +#include +#include "mesh.h" +#include "memalloc.h" + +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif + +static GLUvertex *allocVertex() +{ + return (GLUvertex *)memAlloc( sizeof( GLUvertex )); +} + +static GLUface *allocFace() +{ + return (GLUface *)memAlloc( sizeof( GLUface )); +} + +/************************ Utility Routines ************************/ + +/* Allocate and free half-edges in pairs for efficiency. + * The *only* place that should use this fact is allocation/free. + */ +typedef struct { GLUhalfEdge e, eSym; } EdgePair; + +/* MakeEdge creates a new pair of half-edges which form their own loop. + * No vertex or face structures are allocated, but these must be assigned + * before the current edge operation is completed. + */ +static GLUhalfEdge *MakeEdge( GLUhalfEdge *eNext ) +{ + GLUhalfEdge *e; + GLUhalfEdge *eSym; + GLUhalfEdge *ePrev; + EdgePair *pair = (EdgePair *)memAlloc( sizeof( EdgePair )); + if (pair == NULL) return NULL; + + e = &pair->e; + eSym = &pair->eSym; + + /* Make sure eNext points to the first edge of the edge pair */ + if( eNext->Sym < eNext ) { eNext = eNext->Sym; } + + /* Insert in circular doubly-linked list before eNext. + * Note that the prev pointer is stored in Sym->next. + */ + ePrev = eNext->Sym->next; + eSym->next = ePrev; + ePrev->Sym->next = e; + e->next = eNext; + eNext->Sym->next = eSym; + + e->Sym = eSym; + e->Onext = e; + e->Lnext = eSym; + e->Org = NULL; + e->Lface = NULL; + e->winding = 0; + e->activeRegion = NULL; + + eSym->Sym = e; + eSym->Onext = eSym; + eSym->Lnext = e; + eSym->Org = NULL; + eSym->Lface = NULL; + eSym->winding = 0; + eSym->activeRegion = NULL; + + return e; +} + +/* Splice( a, b ) is best described by the Guibas/Stolfi paper or the + * CS348a notes (see mesh.h). Basically it modifies the mesh so that + * a->Onext and b->Onext are exchanged. This can have various effects + * depending on whether a and b belong to different face or vertex rings. + * For more explanation see __gl_meshSplice() below. + */ +static void Splice( GLUhalfEdge *a, GLUhalfEdge *b ) +{ + GLUhalfEdge *aOnext = a->Onext; + GLUhalfEdge *bOnext = b->Onext; + + aOnext->Sym->Lnext = b; + bOnext->Sym->Lnext = a; + a->Onext = bOnext; + b->Onext = aOnext; +} + +/* MakeVertex( newVertex, eOrig, vNext ) attaches a new vertex and makes it the + * origin of all edges in the vertex loop to which eOrig belongs. "vNext" gives + * a place to insert the new vertex in the global vertex list. We insert + * the new vertex *before* vNext so that algorithms which walk the vertex + * list will not see the newly created vertices. + */ +static void MakeVertex( GLUvertex *newVertex, + GLUhalfEdge *eOrig, GLUvertex *vNext ) +{ + GLUhalfEdge *e; + GLUvertex *vPrev; + GLUvertex *vNew = newVertex; + + assert(vNew != NULL); + + /* insert in circular doubly-linked list before vNext */ + vPrev = vNext->prev; + vNew->prev = vPrev; + vPrev->next = vNew; + vNew->next = vNext; + vNext->prev = vNew; + + vNew->anEdge = eOrig; + vNew->data = NULL; + /* leave coords, s, t undefined */ + + /* fix other edges on this vertex loop */ + e = eOrig; + do { + e->Org = vNew; + e = e->Onext; + } while( e != eOrig ); +} + +/* MakeFace( newFace, eOrig, fNext ) attaches a new face and makes it the left + * face of all edges in the face loop to which eOrig belongs. "fNext" gives + * a place to insert the new face in the global face list. We insert + * the new face *before* fNext so that algorithms which walk the face + * list will not see the newly created faces. + */ +static void MakeFace( GLUface *newFace, GLUhalfEdge *eOrig, GLUface *fNext ) +{ + GLUhalfEdge *e; + GLUface *fPrev; + GLUface *fNew = newFace; + + assert(fNew != NULL); + + /* insert in circular doubly-linked list before fNext */ + fPrev = fNext->prev; + fNew->prev = fPrev; + fPrev->next = fNew; + fNew->next = fNext; + fNext->prev = fNew; + + fNew->anEdge = eOrig; + fNew->data = NULL; + fNew->trail = NULL; + fNew->marked = FALSE; + + /* The new face is marked "inside" if the old one was. This is a + * convenience for the common case where a face has been split in two. + */ + fNew->inside = fNext->inside; + + /* fix other edges on this face loop */ + e = eOrig; + do { + e->Lface = fNew; + e = e->Lnext; + } while( e != eOrig ); +} + +/* KillEdge( eDel ) destroys an edge (the half-edges eDel and eDel->Sym), + * and removes from the global edge list. + */ +static void KillEdge( GLUhalfEdge *eDel ) +{ + GLUhalfEdge *ePrev, *eNext; + + /* Half-edges are allocated in pairs, see EdgePair above */ + if( eDel->Sym < eDel ) { eDel = eDel->Sym; } + + /* delete from circular doubly-linked list */ + eNext = eDel->next; + ePrev = eDel->Sym->next; + eNext->Sym->next = ePrev; + ePrev->Sym->next = eNext; + + memFree( eDel ); +} + + +/* KillVertex( vDel ) destroys a vertex and removes it from the global + * vertex list. It updates the vertex loop to point to a given new vertex. + */ +static void KillVertex( GLUvertex *vDel, GLUvertex *newOrg ) +{ + GLUhalfEdge *e, *eStart = vDel->anEdge; + GLUvertex *vPrev, *vNext; + + /* change the origin of all affected edges */ + e = eStart; + do { + e->Org = newOrg; + e = e->Onext; + } while( e != eStart ); + + /* delete from circular doubly-linked list */ + vPrev = vDel->prev; + vNext = vDel->next; + vNext->prev = vPrev; + vPrev->next = vNext; + + memFree( vDel ); +} + +/* KillFace( fDel ) destroys a face and removes it from the global face + * list. It updates the face loop to point to a given new face. + */ +static void KillFace( GLUface *fDel, GLUface *newLface ) +{ + GLUhalfEdge *e, *eStart = fDel->anEdge; + GLUface *fPrev, *fNext; + + /* change the left face of all affected edges */ + e = eStart; + do { + e->Lface = newLface; + e = e->Lnext; + } while( e != eStart ); + + /* delete from circular doubly-linked list */ + fPrev = fDel->prev; + fNext = fDel->next; + fNext->prev = fPrev; + fPrev->next = fNext; + + memFree( fDel ); +} + + +/****************** Basic Edge Operations **********************/ + +/* __gl_meshMakeEdge creates one edge, two vertices, and a loop (face). + * The loop consists of the two new half-edges. + */ +GLUhalfEdge *__gl_meshMakeEdge( GLUmesh *mesh ) +{ + GLUvertex *newVertex1= allocVertex(); + GLUvertex *newVertex2= allocVertex(); + GLUface *newFace= allocFace(); + GLUhalfEdge *e; + + /* if any one is null then all get freed */ + if (newVertex1 == NULL || newVertex2 == NULL || newFace == NULL) { + if (newVertex1 != NULL) memFree(newVertex1); + if (newVertex2 != NULL) memFree(newVertex2); + if (newFace != NULL) memFree(newFace); + return NULL; + } + + e = MakeEdge( &mesh->eHead ); + if (e == NULL) { + memFree(newVertex1); + memFree(newVertex2); + memFree(newFace); + return NULL; + } + + MakeVertex( newVertex1, e, &mesh->vHead ); + MakeVertex( newVertex2, e->Sym, &mesh->vHead ); + MakeFace( newFace, e, &mesh->fHead ); + return e; +} + + +/* __gl_meshSplice( eOrg, eDst ) is the basic operation for changing the + * mesh connectivity and topology. It changes the mesh so that + * eOrg->Onext <- OLD( eDst->Onext ) + * eDst->Onext <- OLD( eOrg->Onext ) + * where OLD(...) means the value before the meshSplice operation. + * + * This can have two effects on the vertex structure: + * - if eOrg->Org != eDst->Org, the two vertices are merged together + * - if eOrg->Org == eDst->Org, the origin is split into two vertices + * In both cases, eDst->Org is changed and eOrg->Org is untouched. + * + * Similarly (and independently) for the face structure, + * - if eOrg->Lface == eDst->Lface, one loop is split into two + * - if eOrg->Lface != eDst->Lface, two distinct loops are joined into one + * In both cases, eDst->Lface is changed and eOrg->Lface is unaffected. + * + * Some special cases: + * If eDst == eOrg, the operation has no effect. + * If eDst == eOrg->Lnext, the new face will have a single edge. + * If eDst == eOrg->Lprev, the old face will have a single edge. + * If eDst == eOrg->Onext, the new vertex will have a single edge. + * If eDst == eOrg->Oprev, the old vertex will have a single edge. + */ +int __gl_meshSplice( GLUhalfEdge *eOrg, GLUhalfEdge *eDst ) +{ + int joiningLoops = FALSE; + int joiningVertices = FALSE; + + if( eOrg == eDst ) return 1; + + if( eDst->Org != eOrg->Org ) { + /* We are merging two disjoint vertices -- destroy eDst->Org */ + joiningVertices = TRUE; + KillVertex( eDst->Org, eOrg->Org ); + } + if( eDst->Lface != eOrg->Lface ) { + /* We are connecting two disjoint loops -- destroy eDst->Lface */ + joiningLoops = TRUE; + KillFace( eDst->Lface, eOrg->Lface ); + } + + /* Change the edge structure */ + Splice( eDst, eOrg ); + + if( ! joiningVertices ) { + GLUvertex *newVertex= allocVertex(); + if (newVertex == NULL) return 0; + + /* We split one vertex into two -- the new vertex is eDst->Org. + * Make sure the old vertex points to a valid half-edge. + */ + MakeVertex( newVertex, eDst, eOrg->Org ); + eOrg->Org->anEdge = eOrg; + } + if( ! joiningLoops ) { + GLUface *newFace= allocFace(); + if (newFace == NULL) return 0; + + /* We split one loop into two -- the new loop is eDst->Lface. + * Make sure the old face points to a valid half-edge. + */ + MakeFace( newFace, eDst, eOrg->Lface ); + eOrg->Lface->anEdge = eOrg; + } + + return 1; +} + + +/* __gl_meshDelete( eDel ) removes the edge eDel. There are several cases: + * if (eDel->Lface != eDel->Rface), we join two loops into one; the loop + * eDel->Lface is deleted. Otherwise, we are splitting one loop into two; + * the newly created loop will contain eDel->Dst. If the deletion of eDel + * would create isolated vertices, those are deleted as well. + * + * This function could be implemented as two calls to __gl_meshSplice + * plus a few calls to memFree, but this would allocate and delete + * unnecessary vertices and faces. + */ +int __gl_meshDelete( GLUhalfEdge *eDel ) +{ + GLUhalfEdge *eDelSym = eDel->Sym; + int joiningLoops = FALSE; + + /* First step: disconnect the origin vertex eDel->Org. We make all + * changes to get a consistent mesh in this "intermediate" state. + */ + if( eDel->Lface != eDel->Rface ) { + /* We are joining two loops into one -- remove the left face */ + joiningLoops = TRUE; + KillFace( eDel->Lface, eDel->Rface ); + } + + if( eDel->Onext == eDel ) { + KillVertex( eDel->Org, NULL ); + } else { + /* Make sure that eDel->Org and eDel->Rface point to valid half-edges */ + eDel->Rface->anEdge = eDel->Oprev; + eDel->Org->anEdge = eDel->Onext; + + Splice( eDel, eDel->Oprev ); + if( ! joiningLoops ) { + GLUface *newFace= allocFace(); + if (newFace == NULL) return 0; + + /* We are splitting one loop into two -- create a new loop for eDel. */ + MakeFace( newFace, eDel, eDel->Lface ); + } + } + + /* Claim: the mesh is now in a consistent state, except that eDel->Org + * may have been deleted. Now we disconnect eDel->Dst. + */ + if( eDelSym->Onext == eDelSym ) { + KillVertex( eDelSym->Org, NULL ); + KillFace( eDelSym->Lface, NULL ); + } else { + /* Make sure that eDel->Dst and eDel->Lface point to valid half-edges */ + eDel->Lface->anEdge = eDelSym->Oprev; + eDelSym->Org->anEdge = eDelSym->Onext; + Splice( eDelSym, eDelSym->Oprev ); + } + + /* Any isolated vertices or faces have already been freed. */ + KillEdge( eDel ); + + return 1; +} + + +/******************** Other Edge Operations **********************/ + +/* All these routines can be implemented with the basic edge + * operations above. They are provided for convenience and efficiency. + */ + + +/* __gl_meshAddEdgeVertex( eOrg ) creates a new edge eNew such that + * eNew == eOrg->Lnext, and eNew->Dst is a newly created vertex. + * eOrg and eNew will have the same left face. + */ +GLUhalfEdge *__gl_meshAddEdgeVertex( GLUhalfEdge *eOrg ) +{ + GLUhalfEdge *eNewSym; + GLUhalfEdge *eNew = MakeEdge( eOrg ); + if (eNew == NULL) return NULL; + + eNewSym = eNew->Sym; + + /* Connect the new edge appropriately */ + Splice( eNew, eOrg->Lnext ); + + /* Set the vertex and face information */ + eNew->Org = eOrg->Dst; + { + GLUvertex *newVertex= allocVertex(); + if (newVertex == NULL) return NULL; + + MakeVertex( newVertex, eNewSym, eNew->Org ); + } + eNew->Lface = eNewSym->Lface = eOrg->Lface; + + return eNew; +} + + +/* __gl_meshSplitEdge( eOrg ) splits eOrg into two edges eOrg and eNew, + * such that eNew == eOrg->Lnext. The new vertex is eOrg->Dst == eNew->Org. + * eOrg and eNew will have the same left face. + */ +GLUhalfEdge *__gl_meshSplitEdge( GLUhalfEdge *eOrg ) +{ + GLUhalfEdge *eNew; + GLUhalfEdge *tempHalfEdge= __gl_meshAddEdgeVertex( eOrg ); + if (tempHalfEdge == NULL) return NULL; + + eNew = tempHalfEdge->Sym; + + /* Disconnect eOrg from eOrg->Dst and connect it to eNew->Org */ + Splice( eOrg->Sym, eOrg->Sym->Oprev ); + Splice( eOrg->Sym, eNew ); + + /* Set the vertex and face information */ + eOrg->Dst = eNew->Org; + eNew->Dst->anEdge = eNew->Sym; /* may have pointed to eOrg->Sym */ + eNew->Rface = eOrg->Rface; + eNew->winding = eOrg->winding; /* copy old winding information */ + eNew->Sym->winding = eOrg->Sym->winding; + + return eNew; +} + + +/* __gl_meshConnect( eOrg, eDst ) creates a new edge from eOrg->Dst + * to eDst->Org, and returns the corresponding half-edge eNew. + * If eOrg->Lface == eDst->Lface, this splits one loop into two, + * and the newly created loop is eNew->Lface. Otherwise, two disjoint + * loops are merged into one, and the loop eDst->Lface is destroyed. + * + * If (eOrg == eDst), the new face will have only two edges. + * If (eOrg->Lnext == eDst), the old face is reduced to a single edge. + * If (eOrg->Lnext->Lnext == eDst), the old face is reduced to two edges. + */ +GLUhalfEdge *__gl_meshConnect( GLUhalfEdge *eOrg, GLUhalfEdge *eDst ) +{ + GLUhalfEdge *eNewSym; + int joiningLoops = FALSE; + GLUhalfEdge *eNew = MakeEdge( eOrg ); + if (eNew == NULL) return NULL; + + eNewSym = eNew->Sym; + + if( eDst->Lface != eOrg->Lface ) { + /* We are connecting two disjoint loops -- destroy eDst->Lface */ + joiningLoops = TRUE; + KillFace( eDst->Lface, eOrg->Lface ); + } + + /* Connect the new edge appropriately */ + Splice( eNew, eOrg->Lnext ); + Splice( eNewSym, eDst ); + + /* Set the vertex and face information */ + eNew->Org = eOrg->Dst; + eNewSym->Org = eDst->Org; + eNew->Lface = eNewSym->Lface = eOrg->Lface; + + /* Make sure the old face points to a valid half-edge */ + eOrg->Lface->anEdge = eNewSym; + + if( ! joiningLoops ) { + GLUface *newFace= allocFace(); + if (newFace == NULL) return NULL; + + /* We split one loop into two -- the new loop is eNew->Lface */ + MakeFace( newFace, eNew, eOrg->Lface ); + } + return eNew; +} + + +/******************** Other Operations **********************/ + +/* __gl_meshZapFace( fZap ) destroys a face and removes it from the + * global face list. All edges of fZap will have a NULL pointer as their + * left face. Any edges which also have a NULL pointer as their right face + * are deleted entirely (along with any isolated vertices this produces). + * An entire mesh can be deleted by zapping its faces, one at a time, + * in any order. Zapped faces cannot be used in further mesh operations! + */ +void __gl_meshZapFace( GLUface *fZap ) +{ + GLUhalfEdge *eStart = fZap->anEdge; + GLUhalfEdge *e, *eNext, *eSym; + GLUface *fPrev, *fNext; + + /* walk around face, deleting edges whose right face is also NULL */ + eNext = eStart->Lnext; + do { + e = eNext; + eNext = e->Lnext; + + e->Lface = NULL; + if( e->Rface == NULL ) { + /* delete the edge -- see __gl_MeshDelete above */ + + if( e->Onext == e ) { + KillVertex( e->Org, NULL ); + } else { + /* Make sure that e->Org points to a valid half-edge */ + e->Org->anEdge = e->Onext; + Splice( e, e->Oprev ); + } + eSym = e->Sym; + if( eSym->Onext == eSym ) { + KillVertex( eSym->Org, NULL ); + } else { + /* Make sure that eSym->Org points to a valid half-edge */ + eSym->Org->anEdge = eSym->Onext; + Splice( eSym, eSym->Oprev ); + } + KillEdge( e ); + } + } while( e != eStart ); + + /* delete from circular doubly-linked list */ + fPrev = fZap->prev; + fNext = fZap->next; + fNext->prev = fPrev; + fPrev->next = fNext; + + memFree( fZap ); +} + + +/* __gl_meshNewMesh() creates a new mesh with no edges, no vertices, + * and no loops (what we usually call a "face"). + */ +GLUmesh *__gl_meshNewMesh( void ) +{ + GLUvertex *v; + GLUface *f; + GLUhalfEdge *e; + GLUhalfEdge *eSym; + GLUmesh *mesh = (GLUmesh *)memAlloc( sizeof( GLUmesh )); + if (mesh == NULL) { + return NULL; + } + + v = &mesh->vHead; + f = &mesh->fHead; + e = &mesh->eHead; + eSym = &mesh->eHeadSym; + + v->next = v->prev = v; + v->anEdge = NULL; + v->data = NULL; + + f->next = f->prev = f; + f->anEdge = NULL; + f->data = NULL; + f->trail = NULL; + f->marked = FALSE; + f->inside = FALSE; + + e->next = e; + e->Sym = eSym; + e->Onext = NULL; + e->Lnext = NULL; + e->Org = NULL; + e->Lface = NULL; + e->winding = 0; + e->activeRegion = NULL; + + eSym->next = eSym; + eSym->Sym = e; + eSym->Onext = NULL; + eSym->Lnext = NULL; + eSym->Org = NULL; + eSym->Lface = NULL; + eSym->winding = 0; + eSym->activeRegion = NULL; + + return mesh; +} + + +/* __gl_meshUnion( mesh1, mesh2 ) forms the union of all structures in + * both meshes, and returns the new mesh (the old meshes are destroyed). + */ +GLUmesh *__gl_meshUnion( GLUmesh *mesh1, GLUmesh *mesh2 ) +{ + GLUface *f1 = &mesh1->fHead; + GLUvertex *v1 = &mesh1->vHead; + GLUhalfEdge *e1 = &mesh1->eHead; + GLUface *f2 = &mesh2->fHead; + GLUvertex *v2 = &mesh2->vHead; + GLUhalfEdge *e2 = &mesh2->eHead; + + /* Add the faces, vertices, and edges of mesh2 to those of mesh1 */ + if( f2->next != f2 ) { + f1->prev->next = f2->next; + f2->next->prev = f1->prev; + f2->prev->next = f1; + f1->prev = f2->prev; + } + + if( v2->next != v2 ) { + v1->prev->next = v2->next; + v2->next->prev = v1->prev; + v2->prev->next = v1; + v1->prev = v2->prev; + } + + if( e2->next != e2 ) { + e1->Sym->next->Sym->next = e2->next; + e2->next->Sym->next = e1->Sym->next; + e2->Sym->next->Sym->next = e1; + e1->Sym->next = e2->Sym->next; + } + + memFree( mesh2 ); + return mesh1; +} + + +#ifdef DELETE_BY_ZAPPING + +/* __gl_meshDeleteMesh( mesh ) will free all storage for any valid mesh. + */ +void __gl_meshDeleteMesh( GLUmesh *mesh ) +{ + GLUface *fHead = &mesh->fHead; + + while( fHead->next != fHead ) { + __gl_meshZapFace( fHead->next ); + } + assert( mesh->vHead.next == &mesh->vHead ); + + memFree( mesh ); +} + +#else + +/* __gl_meshDeleteMesh( mesh ) will free all storage for any valid mesh. + */ +void __gl_meshDeleteMesh( GLUmesh *mesh ) +{ + GLUface *f, *fNext; + GLUvertex *v, *vNext; + GLUhalfEdge *e, *eNext; + + for( f = mesh->fHead.next; f != &mesh->fHead; f = fNext ) { + fNext = f->next; + memFree( f ); + } + + for( v = mesh->vHead.next; v != &mesh->vHead; v = vNext ) { + vNext = v->next; + memFree( v ); + } + + for( e = mesh->eHead.next; e != &mesh->eHead; e = eNext ) { + /* One call frees both e and e->Sym (see EdgePair above) */ + eNext = e->next; + memFree( e ); + } + + memFree( mesh ); +} + +#endif + +#ifndef NDEBUG + +/* __gl_meshCheckMesh( mesh ) checks a mesh for self-consistency. + */ +void __gl_meshCheckMesh( GLUmesh *mesh ) +{ + GLUface *fHead = &mesh->fHead; + GLUvertex *vHead = &mesh->vHead; + GLUhalfEdge *eHead = &mesh->eHead; + GLUface *f, *fPrev; + GLUvertex *v, *vPrev; + GLUhalfEdge *e, *ePrev; + + fPrev = fHead; + for( fPrev = fHead ; (f = fPrev->next) != fHead; fPrev = f) { + assert( f->prev == fPrev ); + e = f->anEdge; + do { + assert( e->Sym != e ); + assert( e->Sym->Sym == e ); + assert( e->Lnext->Onext->Sym == e ); + assert( e->Onext->Sym->Lnext == e ); + assert( e->Lface == f ); + e = e->Lnext; + } while( e != f->anEdge ); + } + assert( f->prev == fPrev && f->anEdge == NULL && f->data == NULL ); + + vPrev = vHead; + for( vPrev = vHead ; (v = vPrev->next) != vHead; vPrev = v) { + assert( v->prev == vPrev ); + e = v->anEdge; + do { + assert( e->Sym != e ); + assert( e->Sym->Sym == e ); + assert( e->Lnext->Onext->Sym == e ); + assert( e->Onext->Sym->Lnext == e ); + assert( e->Org == v ); + e = e->Onext; + } while( e != v->anEdge ); + } + assert( v->prev == vPrev && v->anEdge == NULL && v->data == NULL ); + + ePrev = eHead; + for( ePrev = eHead ; (e = ePrev->next) != eHead; ePrev = e) { + assert( e->Sym->next == ePrev->Sym ); + assert( e->Sym != e ); + assert( e->Sym->Sym == e ); + assert( e->Org != NULL ); + assert( e->Dst != NULL ); + assert( e->Lnext->Onext->Sym == e ); + assert( e->Onext->Sym->Lnext == e ); + } + assert( e->Sym->next == ePrev->Sym + && e->Sym == &mesh->eHeadSym + && e->Sym->Sym == e + && e->Org == NULL && e->Dst == NULL + && e->Lface == NULL && e->Rface == NULL ); +} + +#endif diff --git a/cogl-path/tesselator/mesh.h b/cogl-path/tesselator/mesh.h new file mode 100644 index 0000000..690c5f2 --- /dev/null +++ b/cogl-path/tesselator/mesh.h @@ -0,0 +1,266 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __mesh_h_ +#define __mesh_h_ + +#include + +typedef struct GLUmesh GLUmesh; + +typedef struct GLUvertex GLUvertex; +typedef struct GLUface GLUface; +typedef struct GLUhalfEdge GLUhalfEdge; + +typedef struct ActiveRegion ActiveRegion; /* Internal data */ + +/* The mesh structure is similar in spirit, notation, and operations + * to the "quad-edge" structure (see L. Guibas and J. Stolfi, Primitives + * for the manipulation of general subdivisions and the computation of + * Voronoi diagrams, ACM Transactions on Graphics, 4(2):74-123, April 1985). + * For a simplified description, see the course notes for CS348a, + * "Mathematical Foundations of Computer Graphics", available at the + * Stanford bookstore (and taught during the fall quarter). + * The implementation also borrows a tiny subset of the graph-based approach + * use in Mantyla's Geometric Work Bench (see M. Mantyla, An Introduction + * to Sold Modeling, Computer Science Press, Rockville, Maryland, 1988). + * + * The fundamental data structure is the "half-edge". Two half-edges + * go together to make an edge, but they point in opposite directions. + * Each half-edge has a pointer to its mate (the "symmetric" half-edge Sym), + * its origin vertex (Org), the face on its left side (Lface), and the + * adjacent half-edges in the CCW direction around the origin vertex + * (Onext) and around the left face (Lnext). There is also a "next" + * pointer for the global edge list (see below). + * + * The notation used for mesh navigation: + * Sym = the mate of a half-edge (same edge, but opposite direction) + * Onext = edge CCW around origin vertex (keep same origin) + * Dnext = edge CCW around destination vertex (keep same dest) + * Lnext = edge CCW around left face (dest becomes new origin) + * Rnext = edge CCW around right face (origin becomes new dest) + * + * "prev" means to substitute CW for CCW in the definitions above. + * + * The mesh keeps global lists of all vertices, faces, and edges, + * stored as doubly-linked circular lists with a dummy header node. + * The mesh stores pointers to these dummy headers (vHead, fHead, eHead). + * + * The circular edge list is special; since half-edges always occur + * in pairs (e and e->Sym), each half-edge stores a pointer in only + * one direction. Starting at eHead and following the e->next pointers + * will visit each *edge* once (ie. e or e->Sym, but not both). + * e->Sym stores a pointer in the opposite direction, thus it is + * always true that e->Sym->next->Sym->next == e. + * + * Each vertex has a pointer to next and previous vertices in the + * circular list, and a pointer to a half-edge with this vertex as + * the origin (NULL if this is the dummy header). There is also a + * field "data" for client data. + * + * Each face has a pointer to the next and previous faces in the + * circular list, and a pointer to a half-edge with this face as + * the left face (NULL if this is the dummy header). There is also + * a field "data" for client data. + * + * Note that what we call a "face" is really a loop; faces may consist + * of more than one loop (ie. not simply connected), but there is no + * record of this in the data structure. The mesh may consist of + * several disconnected regions, so it may not be possible to visit + * the entire mesh by starting at a half-edge and traversing the edge + * structure. + * + * The mesh does NOT support isolated vertices; a vertex is deleted along + * with its last edge. Similarly when two faces are merged, one of the + * faces is deleted (see __gl_meshDelete below). For mesh operations, + * all face (loop) and vertex pointers must not be NULL. However, once + * mesh manipulation is finished, __gl_MeshZapFace can be used to delete + * faces of the mesh, one at a time. All external faces can be "zapped" + * before the mesh is returned to the client; then a NULL face indicates + * a region which is not part of the output polygon. + */ + +struct GLUvertex { + GLUvertex *next; /* next vertex (never NULL) */ + GLUvertex *prev; /* previous vertex (never NULL) */ + GLUhalfEdge *anEdge; /* a half-edge with this origin */ + void *data; /* client's data */ + + /* Internal data (keep hidden) */ + GLdouble coords[3]; /* vertex location in 3D */ + GLdouble s, t; /* projection onto the sweep plane */ + long pqHandle; /* to allow deletion from priority queue */ +}; + +struct GLUface { + GLUface *next; /* next face (never NULL) */ + GLUface *prev; /* previous face (never NULL) */ + GLUhalfEdge *anEdge; /* a half edge with this left face */ + void *data; /* room for client's data */ + + /* Internal data (keep hidden) */ + GLUface *trail; /* "stack" for conversion to strips */ + GLboolean marked; /* flag for conversion to strips */ + GLboolean inside; /* this face is in the polygon interior */ +}; + +struct GLUhalfEdge { + GLUhalfEdge *next; /* doubly-linked list (prev==Sym->next) */ + GLUhalfEdge *Sym; /* same edge, opposite direction */ + GLUhalfEdge *Onext; /* next edge CCW around origin */ + GLUhalfEdge *Lnext; /* next edge CCW around left face */ + GLUvertex *Org; /* origin vertex (Overtex too long) */ + GLUface *Lface; /* left face */ + + /* Internal data (keep hidden) */ + ActiveRegion *activeRegion; /* a region with this upper edge (sweep.c) */ + int winding; /* change in winding number when crossing + from the right face to the left face */ +}; + +#define Rface Sym->Lface +#define Dst Sym->Org + +#define Oprev Sym->Lnext +#define Lprev Onext->Sym +#define Dprev Lnext->Sym +#define Rprev Sym->Onext +#define Dnext Rprev->Sym /* 3 pointers */ +#define Rnext Oprev->Sym /* 3 pointers */ + + +struct GLUmesh { + GLUvertex vHead; /* dummy header for vertex list */ + GLUface fHead; /* dummy header for face list */ + GLUhalfEdge eHead; /* dummy header for edge list */ + GLUhalfEdge eHeadSym; /* and its symmetric counterpart */ +}; + +/* The mesh operations below have three motivations: completeness, + * convenience, and efficiency. The basic mesh operations are MakeEdge, + * Splice, and Delete. All the other edge operations can be implemented + * in terms of these. The other operations are provided for convenience + * and/or efficiency. + * + * When a face is split or a vertex is added, they are inserted into the + * global list *before* the existing vertex or face (ie. e->Org or e->Lface). + * This makes it easier to process all vertices or faces in the global lists + * without worrying about processing the same data twice. As a convenience, + * when a face is split, the "inside" flag is copied from the old face. + * Other internal data (v->data, v->activeRegion, f->data, f->marked, + * f->trail, e->winding) is set to zero. + * + * ********************** Basic Edge Operations ************************** + * + * __gl_meshMakeEdge( mesh ) creates one edge, two vertices, and a loop. + * The loop (face) consists of the two new half-edges. + * + * __gl_meshSplice( eOrg, eDst ) is the basic operation for changing the + * mesh connectivity and topology. It changes the mesh so that + * eOrg->Onext <- OLD( eDst->Onext ) + * eDst->Onext <- OLD( eOrg->Onext ) + * where OLD(...) means the value before the meshSplice operation. + * + * This can have two effects on the vertex structure: + * - if eOrg->Org != eDst->Org, the two vertices are merged together + * - if eOrg->Org == eDst->Org, the origin is split into two vertices + * In both cases, eDst->Org is changed and eOrg->Org is untouched. + * + * Similarly (and independently) for the face structure, + * - if eOrg->Lface == eDst->Lface, one loop is split into two + * - if eOrg->Lface != eDst->Lface, two distinct loops are joined into one + * In both cases, eDst->Lface is changed and eOrg->Lface is unaffected. + * + * __gl_meshDelete( eDel ) removes the edge eDel. There are several cases: + * if (eDel->Lface != eDel->Rface), we join two loops into one; the loop + * eDel->Lface is deleted. Otherwise, we are splitting one loop into two; + * the newly created loop will contain eDel->Dst. If the deletion of eDel + * would create isolated vertices, those are deleted as well. + * + * ********************** Other Edge Operations ************************** + * + * __gl_meshAddEdgeVertex( eOrg ) creates a new edge eNew such that + * eNew == eOrg->Lnext, and eNew->Dst is a newly created vertex. + * eOrg and eNew will have the same left face. + * + * __gl_meshSplitEdge( eOrg ) splits eOrg into two edges eOrg and eNew, + * such that eNew == eOrg->Lnext. The new vertex is eOrg->Dst == eNew->Org. + * eOrg and eNew will have the same left face. + * + * __gl_meshConnect( eOrg, eDst ) creates a new edge from eOrg->Dst + * to eDst->Org, and returns the corresponding half-edge eNew. + * If eOrg->Lface == eDst->Lface, this splits one loop into two, + * and the newly created loop is eNew->Lface. Otherwise, two disjoint + * loops are merged into one, and the loop eDst->Lface is destroyed. + * + * ************************ Other Operations ***************************** + * + * __gl_meshNewMesh() creates a new mesh with no edges, no vertices, + * and no loops (what we usually call a "face"). + * + * __gl_meshUnion( mesh1, mesh2 ) forms the union of all structures in + * both meshes, and returns the new mesh (the old meshes are destroyed). + * + * __gl_meshDeleteMesh( mesh ) will free all storage for any valid mesh. + * + * __gl_meshZapFace( fZap ) destroys a face and removes it from the + * global face list. All edges of fZap will have a NULL pointer as their + * left face. Any edges which also have a NULL pointer as their right face + * are deleted entirely (along with any isolated vertices this produces). + * An entire mesh can be deleted by zapping its faces, one at a time, + * in any order. Zapped faces cannot be used in further mesh operations! + * + * __gl_meshCheckMesh( mesh ) checks a mesh for self-consistency. + */ + +GLUhalfEdge *__gl_meshMakeEdge( GLUmesh *mesh ); +int __gl_meshSplice( GLUhalfEdge *eOrg, GLUhalfEdge *eDst ); +int __gl_meshDelete( GLUhalfEdge *eDel ); + +GLUhalfEdge *__gl_meshAddEdgeVertex( GLUhalfEdge *eOrg ); +GLUhalfEdge *__gl_meshSplitEdge( GLUhalfEdge *eOrg ); +GLUhalfEdge *__gl_meshConnect( GLUhalfEdge *eOrg, GLUhalfEdge *eDst ); + +GLUmesh *__gl_meshNewMesh( void ); +GLUmesh *__gl_meshUnion( GLUmesh *mesh1, GLUmesh *mesh2 ); +void __gl_meshDeleteMesh( GLUmesh *mesh ); +void __gl_meshZapFace( GLUface *fZap ); + +#ifdef NDEBUG +#define __gl_meshCheckMesh( mesh ) +#else +void __gl_meshCheckMesh( GLUmesh *mesh ); +#endif + +#endif diff --git a/cogl-path/tesselator/normal.c b/cogl-path/tesselator/normal.c new file mode 100644 index 0000000..9a3bd43 --- /dev/null +++ b/cogl-path/tesselator/normal.c @@ -0,0 +1,257 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include "gluos.h" +#include "mesh.h" +#include "tess.h" +#include "normal.h" +#include +#include + +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif + +#define Dot(u,v) (u[0]*v[0] + u[1]*v[1] + u[2]*v[2]) + +#if 0 +static void Normalize( GLdouble v[3] ) +{ + GLdouble len = v[0]*v[0] + v[1]*v[1] + v[2]*v[2]; + + assert( len > 0 ); + len = sqrt( len ); + v[0] /= len; + v[1] /= len; + v[2] /= len; +} +#endif + +#undef ABS +#define ABS(x) ((x) < 0 ? -(x) : (x)) + +static int LongAxis( GLdouble v[3] ) +{ + int i = 0; + + if( ABS(v[1]) > ABS(v[0]) ) { i = 1; } + if( ABS(v[2]) > ABS(v[i]) ) { i = 2; } + return i; +} + +static void ComputeNormal( GLUtesselator *tess, GLdouble norm[3] ) +{ + GLUvertex *v, *v1, *v2; + GLdouble c, tLen2, maxLen2; + GLdouble maxVal[3], minVal[3], d1[3], d2[3], tNorm[3]; + GLUvertex *maxVert[3], *minVert[3]; + GLUvertex *vHead = &tess->mesh->vHead; + int i; + + maxVal[0] = maxVal[1] = maxVal[2] = -2 * GLU_TESS_MAX_COORD; + minVal[0] = minVal[1] = minVal[2] = 2 * GLU_TESS_MAX_COORD; + + for( v = vHead->next; v != vHead; v = v->next ) { + for( i = 0; i < 3; ++i ) { + c = v->coords[i]; + if( c < minVal[i] ) { minVal[i] = c; minVert[i] = v; } + if( c > maxVal[i] ) { maxVal[i] = c; maxVert[i] = v; } + } + } + + /* Find two vertices separated by at least 1/sqrt(3) of the maximum + * distance between any two vertices + */ + i = 0; + if( maxVal[1] - minVal[1] > maxVal[0] - minVal[0] ) { i = 1; } + if( maxVal[2] - minVal[2] > maxVal[i] - minVal[i] ) { i = 2; } + if( minVal[i] >= maxVal[i] ) { + /* All vertices are the same -- normal doesn't matter */ + norm[0] = 0; norm[1] = 0; norm[2] = 1; + return; + } + + /* Look for a third vertex which forms the triangle with maximum area + * (Length of normal == twice the triangle area) + */ + maxLen2 = 0; + v1 = minVert[i]; + v2 = maxVert[i]; + d1[0] = v1->coords[0] - v2->coords[0]; + d1[1] = v1->coords[1] - v2->coords[1]; + d1[2] = v1->coords[2] - v2->coords[2]; + for( v = vHead->next; v != vHead; v = v->next ) { + d2[0] = v->coords[0] - v2->coords[0]; + d2[1] = v->coords[1] - v2->coords[1]; + d2[2] = v->coords[2] - v2->coords[2]; + tNorm[0] = d1[1]*d2[2] - d1[2]*d2[1]; + tNorm[1] = d1[2]*d2[0] - d1[0]*d2[2]; + tNorm[2] = d1[0]*d2[1] - d1[1]*d2[0]; + tLen2 = tNorm[0]*tNorm[0] + tNorm[1]*tNorm[1] + tNorm[2]*tNorm[2]; + if( tLen2 > maxLen2 ) { + maxLen2 = tLen2; + norm[0] = tNorm[0]; + norm[1] = tNorm[1]; + norm[2] = tNorm[2]; + } + } + + if( maxLen2 <= 0 ) { + /* All points lie on a single line -- any decent normal will do */ + norm[0] = norm[1] = norm[2] = 0; + norm[LongAxis(d1)] = 1; + } +} + + +static void CheckOrientation( GLUtesselator *tess ) +{ + GLdouble area; + GLUface *f, *fHead = &tess->mesh->fHead; + GLUvertex *v, *vHead = &tess->mesh->vHead; + GLUhalfEdge *e; + + /* When we compute the normal automatically, we choose the orientation + * so that the sum of the signed areas of all contours is non-negative. + */ + area = 0; + for( f = fHead->next; f != fHead; f = f->next ) { + e = f->anEdge; + if( e->winding <= 0 ) continue; + do { + area += (e->Org->s - e->Dst->s) * (e->Org->t + e->Dst->t); + e = e->Lnext; + } while( e != f->anEdge ); + } + if( area < 0 ) { + /* Reverse the orientation by flipping all the t-coordinates */ + for( v = vHead->next; v != vHead; v = v->next ) { + v->t = - v->t; + } + tess->tUnit[0] = - tess->tUnit[0]; + tess->tUnit[1] = - tess->tUnit[1]; + tess->tUnit[2] = - tess->tUnit[2]; + } +} + +#ifdef FOR_TRITE_TEST_PROGRAM +#include +extern int RandomSweep; +#define S_UNIT_X (RandomSweep ? (2*drand48()-1) : 1.0) +#define S_UNIT_Y (RandomSweep ? (2*drand48()-1) : 0.0) +#else +#if defined(SLANTED_SWEEP) +/* The "feature merging" is not intended to be complete. There are + * special cases where edges are nearly parallel to the sweep line + * which are not implemented. The algorithm should still behave + * robustly (ie. produce a reasonable tesselation) in the presence + * of such edges, however it may miss features which could have been + * merged. We could minimize this effect by choosing the sweep line + * direction to be something unusual (ie. not parallel to one of the + * coordinate axes). + */ +#define S_UNIT_X 0.50941539564955385 /* Pre-normalized */ +#define S_UNIT_Y 0.86052074622010633 +#else +#define S_UNIT_X 1.0 +#define S_UNIT_Y 0.0 +#endif +#endif + +/* Determine the polygon normal and project vertices onto the plane + * of the polygon. + */ +void __gl_projectPolygon( GLUtesselator *tess ) +{ + GLUvertex *v, *vHead = &tess->mesh->vHead; + GLdouble norm[3]; + GLdouble *sUnit, *tUnit; + int i, computedNormal = FALSE; + + norm[0] = tess->normal[0]; + norm[1] = tess->normal[1]; + norm[2] = tess->normal[2]; + if( norm[0] == 0 && norm[1] == 0 && norm[2] == 0 ) { + ComputeNormal( tess, norm ); + computedNormal = TRUE; + } + sUnit = tess->sUnit; + tUnit = tess->tUnit; + i = LongAxis( norm ); + +#if defined(FOR_TRITE_TEST_PROGRAM) || defined(TRUE_PROJECT) + /* Choose the initial sUnit vector to be approximately perpendicular + * to the normal. + */ + Normalize( norm ); + + sUnit[i] = 0; + sUnit[(i+1)%3] = S_UNIT_X; + sUnit[(i+2)%3] = S_UNIT_Y; + + /* Now make it exactly perpendicular */ + w = Dot( sUnit, norm ); + sUnit[0] -= w * norm[0]; + sUnit[1] -= w * norm[1]; + sUnit[2] -= w * norm[2]; + Normalize( sUnit ); + + /* Choose tUnit so that (sUnit,tUnit,norm) form a right-handed frame */ + tUnit[0] = norm[1]*sUnit[2] - norm[2]*sUnit[1]; + tUnit[1] = norm[2]*sUnit[0] - norm[0]*sUnit[2]; + tUnit[2] = norm[0]*sUnit[1] - norm[1]*sUnit[0]; + Normalize( tUnit ); +#else + /* Project perpendicular to a coordinate axis -- better numerically */ + sUnit[i] = 0; + sUnit[(i+1)%3] = S_UNIT_X; + sUnit[(i+2)%3] = S_UNIT_Y; + + tUnit[i] = 0; + tUnit[(i+1)%3] = (norm[i] > 0) ? -S_UNIT_Y : S_UNIT_Y; + tUnit[(i+2)%3] = (norm[i] > 0) ? S_UNIT_X : -S_UNIT_X; +#endif + + /* Project the vertices onto the sweep plane */ + for( v = vHead->next; v != vHead; v = v->next ) { + v->s = Dot( v->coords, sUnit ); + v->t = Dot( v->coords, tUnit ); + } + if( computedNormal ) { + CheckOrientation( tess ); + } +} diff --git a/cogl-path/tesselator/normal.h b/cogl-path/tesselator/normal.h new file mode 100644 index 0000000..c376ca4 --- /dev/null +++ b/cogl-path/tesselator/normal.h @@ -0,0 +1,45 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __normal_h_ +#define __normal_h_ + +#include "tess.h" + +/* __gl_projectPolygon( tess ) determines the polygon normal + * and project vertices onto the plane of the polygon. + */ +void __gl_projectPolygon( GLUtesselator *tess ); + +#endif diff --git a/cogl-path/tesselator/priorityq-heap.c b/cogl-path/tesselator/priorityq-heap.c new file mode 100644 index 0000000..52698b5 --- /dev/null +++ b/cogl-path/tesselator/priorityq-heap.c @@ -0,0 +1,256 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include +#include +#include "priorityq-heap.h" +#include "memalloc.h" + +#define INIT_SIZE 32 + +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif + +#ifdef FOR_TRITE_TEST_PROGRAM +#define LEQ(x,y) (*pq->leq)(x,y) +#else +/* Violates modularity, but a little faster */ +#include "geom.h" +#define LEQ(x,y) VertLeq((GLUvertex *)x, (GLUvertex *)y) +#endif + +/* really __gl_pqHeapNewPriorityQ */ +PriorityQ *pqNewPriorityQ( int (*leq)(PQkey key1, PQkey key2) ) +{ + PriorityQ *pq = (PriorityQ *)memAlloc( sizeof( PriorityQ )); + if (pq == NULL) return NULL; + + pq->size = 0; + pq->max = INIT_SIZE; + pq->nodes = (PQnode *)memAlloc( (INIT_SIZE + 1) * sizeof(pq->nodes[0]) ); + if (pq->nodes == NULL) { + memFree(pq); + return NULL; + } + + pq->handles = (PQhandleElem *)memAlloc( (INIT_SIZE + 1) * sizeof(pq->handles[0]) ); + if (pq->handles == NULL) { + memFree(pq->nodes); + memFree(pq); + return NULL; + } + + pq->initialized = FALSE; + pq->freeList = 0; + pq->leq = leq; + + pq->nodes[1].handle = 1; /* so that Minimum() returns NULL */ + pq->handles[1].key = NULL; + return pq; +} + +/* really __gl_pqHeapDeletePriorityQ */ +void pqDeletePriorityQ( PriorityQ *pq ) +{ + memFree( pq->handles ); + memFree( pq->nodes ); + memFree( pq ); +} + + +static void FloatDown( PriorityQ *pq, long curr ) +{ + PQnode *n = pq->nodes; + PQhandleElem *h = pq->handles; + PQhandle hCurr, hChild; + long child; + + hCurr = n[curr].handle; + for( ;; ) { + child = curr << 1; + if( child < pq->size && LEQ( h[n[child+1].handle].key, + h[n[child].handle].key )) { + ++child; + } + + assert(child <= pq->max); + + hChild = n[child].handle; + if( child > pq->size || LEQ( h[hCurr].key, h[hChild].key )) { + n[curr].handle = hCurr; + h[hCurr].node = curr; + break; + } + n[curr].handle = hChild; + h[hChild].node = curr; + curr = child; + } +} + + +static void FloatUp( PriorityQ *pq, long curr ) +{ + PQnode *n = pq->nodes; + PQhandleElem *h = pq->handles; + PQhandle hCurr, hParent; + long parent; + + hCurr = n[curr].handle; + for( ;; ) { + parent = curr >> 1; + hParent = n[parent].handle; + if( parent == 0 || LEQ( h[hParent].key, h[hCurr].key )) { + n[curr].handle = hCurr; + h[hCurr].node = curr; + break; + } + n[curr].handle = hParent; + h[hParent].node = curr; + curr = parent; + } +} + +/* really __gl_pqHeapInit */ +void pqInit( PriorityQ *pq ) +{ + long i; + + /* This method of building a heap is O(n), rather than O(n lg n). */ + + for( i = pq->size; i >= 1; --i ) { + FloatDown( pq, i ); + } + pq->initialized = TRUE; +} + +/* really __gl_pqHeapInsert */ +/* returns LONG_MAX iff out of memory */ +PQhandle pqInsert( PriorityQ *pq, PQkey keyNew ) +{ + long curr; + PQhandle free_handle; + + curr = ++ pq->size; + if( (curr*2) > pq->max ) { + PQnode *saveNodes= pq->nodes; + PQhandleElem *saveHandles= pq->handles; + + /* If the heap overflows, double its size. */ + pq->max <<= 1; + pq->nodes = (PQnode *)memRealloc( pq->nodes, + (size_t) + ((pq->max + 1) * sizeof( pq->nodes[0] ))); + if (pq->nodes == NULL) { + pq->nodes = saveNodes; /* restore ptr to free upon return */ + return LONG_MAX; + } + pq->handles = (PQhandleElem *)memRealloc( pq->handles, + (size_t) + ((pq->max + 1) * + sizeof( pq->handles[0] ))); + if (pq->handles == NULL) { + pq->handles = saveHandles; /* restore ptr to free upon return */ + return LONG_MAX; + } + } + + if( pq->freeList == 0 ) { + free_handle = curr; + } else { + free_handle = pq->freeList; + pq->freeList = pq->handles[free_handle].node; + } + + pq->nodes[curr].handle = free_handle; + pq->handles[free_handle].node = curr; + pq->handles[free_handle].key = keyNew; + + if( pq->initialized ) { + FloatUp( pq, curr ); + } + assert(free_handle != LONG_MAX); + return free_handle; +} + +/* really __gl_pqHeapExtractMin */ +PQkey pqExtractMin( PriorityQ *pq ) +{ + PQnode *n = pq->nodes; + PQhandleElem *h = pq->handles; + PQhandle hMin = n[1].handle; + PQkey min = h[hMin].key; + + if( pq->size > 0 ) { + n[1].handle = n[pq->size].handle; + h[n[1].handle].node = 1; + + h[hMin].key = NULL; + h[hMin].node = pq->freeList; + pq->freeList = hMin; + + if( -- pq->size > 0 ) { + FloatDown( pq, 1 ); + } + } + return min; +} + +/* really __gl_pqHeapDelete */ +void pqDelete( PriorityQ *pq, PQhandle hCurr ) +{ + PQnode *n = pq->nodes; + PQhandleElem *h = pq->handles; + long curr; + + assert( hCurr >= 1 && hCurr <= pq->max && h[hCurr].key != NULL ); + + curr = h[hCurr].node; + n[curr].handle = n[pq->size].handle; + h[n[curr].handle].node = curr; + + if( curr <= -- pq->size ) { + if( curr <= 1 || LEQ( h[n[curr>>1].handle].key, h[n[curr].handle].key )) { + FloatDown( pq, curr ); + } else { + FloatUp( pq, curr ); + } + } + h[hCurr].key = NULL; + h[hCurr].node = pq->freeList; + pq->freeList = hCurr; +} diff --git a/cogl-path/tesselator/priorityq-heap.h b/cogl-path/tesselator/priorityq-heap.h new file mode 100644 index 0000000..dc9aaef --- /dev/null +++ b/cogl-path/tesselator/priorityq-heap.h @@ -0,0 +1,107 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __priorityq_heap_h_ +#define __priorityq_heap_h_ + +/* Use #define's so that another heap implementation can use this one */ + +#define PQkey PQHeapKey +#define PQhandle PQHeapHandle +#define PriorityQ PriorityQHeap + +#define pqNewPriorityQ(leq) __gl_pqHeapNewPriorityQ(leq) +#define pqDeletePriorityQ(pq) __gl_pqHeapDeletePriorityQ(pq) + +/* The basic operations are insertion of a new key (pqInsert), + * and examination/extraction of a key whose value is minimum + * (pqMinimum/pqExtractMin). Deletion is also allowed (pqDelete); + * for this purpose pqInsert returns a "handle" which is supplied + * as the argument. + * + * An initial heap may be created efficiently by calling pqInsert + * repeatedly, then calling pqInit. In any case pqInit must be called + * before any operations other than pqInsert are used. + * + * If the heap is empty, pqMinimum/pqExtractMin will return a NULL key. + * This may also be tested with pqIsEmpty. + */ +#define pqInit(pq) __gl_pqHeapInit(pq) +#define pqInsert(pq,key) __gl_pqHeapInsert(pq,key) +#define pqMinimum(pq) __gl_pqHeapMinimum(pq) +#define pqExtractMin(pq) __gl_pqHeapExtractMin(pq) +#define pqDelete(pq,handle) __gl_pqHeapDelete(pq,handle) +#define pqIsEmpty(pq) __gl_pqHeapIsEmpty(pq) + + +/* Since we support deletion the data structure is a little more + * complicated than an ordinary heap. "nodes" is the heap itself; + * active nodes are stored in the range 1..pq->size. When the + * heap exceeds its allocated size (pq->max), its size doubles. + * The children of node i are nodes 2i and 2i+1. + * + * Each node stores an index into an array "handles". Each handle + * stores a key, plus a pointer back to the node which currently + * represents that key (ie. nodes[handles[i].node].handle == i). + */ + +typedef void *PQkey; +typedef long PQhandle; +typedef struct PriorityQ PriorityQ; + +typedef struct { PQhandle handle; } PQnode; +typedef struct { PQkey key; PQhandle node; } PQhandleElem; + +struct PriorityQ { + PQnode *nodes; + PQhandleElem *handles; + long size, max; + PQhandle freeList; + int initialized; + int (*leq)(PQkey key1, PQkey key2); +}; + +PriorityQ *pqNewPriorityQ( int (*leq)(PQkey key1, PQkey key2) ); +void pqDeletePriorityQ( PriorityQ *pq ); + +void pqInit( PriorityQ *pq ); +PQhandle pqInsert( PriorityQ *pq, PQkey key ); +PQkey pqExtractMin( PriorityQ *pq ); +void pqDelete( PriorityQ *pq, PQhandle handle ); + + +#define __gl_pqHeapMinimum(pq) ((pq)->handles[(pq)->nodes[1].handle].key) +#define __gl_pqHeapIsEmpty(pq) ((pq)->size == 0) + +#endif diff --git a/cogl-path/tesselator/priorityq-sort.h b/cogl-path/tesselator/priorityq-sort.h new file mode 100644 index 0000000..746cf5f --- /dev/null +++ b/cogl-path/tesselator/priorityq-sort.h @@ -0,0 +1,117 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __priorityq_sort_h_ +#define __priorityq_sort_h_ + +#include "priorityq-heap.h" + +#undef PQkey +#undef PQhandle +#undef PriorityQ +#undef pqNewPriorityQ +#undef pqDeletePriorityQ +#undef pqInit +#undef pqInsert +#undef pqMinimum +#undef pqExtractMin +#undef pqDelete +#undef pqIsEmpty + +/* Use #define's so that another heap implementation can use this one */ + +#define PQkey PQSortKey +#define PQhandle PQSortHandle +#define PriorityQ PriorityQSort + +#define pqNewPriorityQ(leq) __gl_pqSortNewPriorityQ(leq) +#define pqDeletePriorityQ(pq) __gl_pqSortDeletePriorityQ(pq) + +/* The basic operations are insertion of a new key (pqInsert), + * and examination/extraction of a key whose value is minimum + * (pqMinimum/pqExtractMin). Deletion is also allowed (pqDelete); + * for this purpose pqInsert returns a "handle" which is supplied + * as the argument. + * + * An initial heap may be created efficiently by calling pqInsert + * repeatedly, then calling pqInit. In any case pqInit must be called + * before any operations other than pqInsert are used. + * + * If the heap is empty, pqMinimum/pqExtractMin will return a NULL key. + * This may also be tested with pqIsEmpty. + */ +#define pqInit(pq) __gl_pqSortInit(pq) +#define pqInsert(pq,key) __gl_pqSortInsert(pq,key) +#define pqMinimum(pq) __gl_pqSortMinimum(pq) +#define pqExtractMin(pq) __gl_pqSortExtractMin(pq) +#define pqDelete(pq,handle) __gl_pqSortDelete(pq,handle) +#define pqIsEmpty(pq) __gl_pqSortIsEmpty(pq) + + +/* Since we support deletion the data structure is a little more + * complicated than an ordinary heap. "nodes" is the heap itself; + * active nodes are stored in the range 1..pq->size. When the + * heap exceeds its allocated size (pq->max), its size doubles. + * The children of node i are nodes 2i and 2i+1. + * + * Each node stores an index into an array "handles". Each handle + * stores a key, plus a pointer back to the node which currently + * represents that key (ie. nodes[handles[i].node].handle == i). + */ + +typedef PQHeapKey PQkey; +typedef PQHeapHandle PQhandle; +typedef struct PriorityQ PriorityQ; + +struct PriorityQ { + PriorityQHeap *heap; + PQkey *keys; + PQkey **order; + PQhandle size, max; + int initialized; + int (*leq)(PQkey key1, PQkey key2); +}; + +PriorityQ *pqNewPriorityQ( int (*leq)(PQkey key1, PQkey key2) ); +void pqDeletePriorityQ( PriorityQ *pq ); + +int pqInit( PriorityQ *pq ); +PQhandle pqInsert( PriorityQ *pq, PQkey key ); +PQkey pqExtractMin( PriorityQ *pq ); +void pqDelete( PriorityQ *pq, PQhandle handle ); + +PQkey pqMinimum( PriorityQ *pq ); +int pqIsEmpty( PriorityQ *pq ); + +#endif diff --git a/cogl-path/tesselator/priorityq.c b/cogl-path/tesselator/priorityq.c new file mode 100644 index 0000000..db7cd59 --- /dev/null +++ b/cogl-path/tesselator/priorityq.c @@ -0,0 +1,261 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include "gluos.h" +#include +#include +#include /* LONG_MAX */ +#include "memalloc.h" + +/* Include all the code for the regular heap-based queue here. */ + +#include "priorityq-heap.c" + +/* Now redefine all the function names to map to their "Sort" versions. */ + +#include "priorityq-sort.h" + +/* really __gl_pqSortNewPriorityQ */ +PriorityQ *pqNewPriorityQ( int (*leq)(PQkey key1, PQkey key2) ) +{ + PriorityQ *pq = (PriorityQ *)memAlloc( sizeof( PriorityQ )); + if (pq == NULL) return NULL; + + pq->heap = __gl_pqHeapNewPriorityQ( leq ); + if (pq->heap == NULL) { + memFree(pq); + return NULL; + } + + pq->keys = (PQHeapKey *)memAlloc( INIT_SIZE * sizeof(pq->keys[0]) ); + if (pq->keys == NULL) { + __gl_pqHeapDeletePriorityQ(pq->heap); + memFree(pq); + return NULL; + } + + pq->order = NULL; + pq->size = 0; + pq->max = INIT_SIZE; + pq->initialized = FALSE; + pq->leq = leq; + return pq; +} + +/* really __gl_pqSortDeletePriorityQ */ +void pqDeletePriorityQ( PriorityQ *pq ) +{ + assert(pq != NULL); + if (pq->heap != NULL) __gl_pqHeapDeletePriorityQ( pq->heap ); + if (pq->order != NULL) memFree( pq->order ); + if (pq->keys != NULL) memFree( pq->keys ); + memFree( pq ); +} + + +#define LT(x,y) (! LEQ(y,x)) +#define GT(x,y) (! LEQ(x,y)) +#define Swap(a,b) do{PQkey *tmp = *a; *a = *b; *b = tmp;}while(0) + +/* really __gl_pqSortInit */ +int pqInit( PriorityQ *pq ) +{ + PQkey **p, **r, **i, **j, *piv; + struct { PQkey **p, **r; } Stack[50], *top = Stack; + unsigned long seed = 2016473283; + + /* Create an array of indirect pointers to the keys, so that we + * the handles we have returned are still valid. + */ +/* + pq->order = (PQHeapKey **)memAlloc( (size_t) + (pq->size * sizeof(pq->order[0])) ); +*/ + pq->order = (PQHeapKey **)memAlloc( (size_t) + ((pq->size+1) * sizeof(pq->order[0])) ); +/* the previous line is a patch to compensate for the fact that IBM */ +/* machines return a null on a malloc of zero bytes (unlike SGI), */ +/* so we have to put in this defense to guard against a memory */ +/* fault four lines down. from fossum@austin.ibm.com. */ + if (pq->order == NULL) return 0; + + p = pq->order; + r = p + pq->size - 1; + for( piv = pq->keys, i = p; i <= r; ++piv, ++i ) { + *i = piv; + } + + /* Sort the indirect pointers in descending order, + * using randomized Quicksort + */ + top->p = p; top->r = r; ++top; + while( --top >= Stack ) { + p = top->p; + r = top->r; + while( r > p + 10 ) { + seed = seed * 1539415821 + 1; + i = p + seed % (r - p + 1); + piv = *i; + *i = *p; + *p = piv; + i = p - 1; + j = r + 1; + do { + do { ++i; } while( GT( **i, *piv )); + do { --j; } while( LT( **j, *piv )); + Swap( i, j ); + } while( i < j ); + Swap( i, j ); /* Undo last swap */ + if( i - p < r - j ) { + top->p = j+1; top->r = r; ++top; + r = i-1; + } else { + top->p = p; top->r = i-1; ++top; + p = j+1; + } + } + /* Insertion sort small lists */ + for( i = p+1; i <= r; ++i ) { + piv = *i; + for( j = i; j > p && LT( **(j-1), *piv ); --j ) { + *j = *(j-1); + } + *j = piv; + } + } + pq->max = pq->size; + pq->initialized = TRUE; + __gl_pqHeapInit( pq->heap ); /* always succeeds */ + +#ifndef NDEBUG + p = pq->order; + r = p + pq->size - 1; + for( i = p; i < r; ++i ) { + assert( LEQ( **(i+1), **i )); + } +#endif + + return 1; +} + +/* really __gl_pqSortInsert */ +/* returns LONG_MAX iff out of memory */ +PQhandle pqInsert( PriorityQ *pq, PQkey keyNew ) +{ + long curr; + + if( pq->initialized ) { + return __gl_pqHeapInsert( pq->heap, keyNew ); + } + curr = pq->size; + if( ++ pq->size >= pq->max ) { + PQkey *saveKey= pq->keys; + + /* If the heap overflows, double its size. */ + pq->max <<= 1; + pq->keys = (PQHeapKey *)memRealloc( pq->keys, + (size_t) + (pq->max * sizeof( pq->keys[0] ))); + if (pq->keys == NULL) { + pq->keys = saveKey; /* restore ptr to free upon return */ + return LONG_MAX; + } + } + assert(curr != LONG_MAX); + pq->keys[curr] = keyNew; + + /* Negative handles index the sorted array. */ + return -(curr+1); +} + +/* really __gl_pqSortExtractMin */ +PQkey pqExtractMin( PriorityQ *pq ) +{ + PQkey sortMin, heapMin; + + if( pq->size == 0 ) { + return __gl_pqHeapExtractMin( pq->heap ); + } + sortMin = *(pq->order[pq->size-1]); + if( ! __gl_pqHeapIsEmpty( pq->heap )) { + heapMin = __gl_pqHeapMinimum( pq->heap ); + if( LEQ( heapMin, sortMin )) { + return __gl_pqHeapExtractMin( pq->heap ); + } + } + do { + -- pq->size; + } while( pq->size > 0 && *(pq->order[pq->size-1]) == NULL ); + return sortMin; +} + +/* really __gl_pqSortMinimum */ +PQkey pqMinimum( PriorityQ *pq ) +{ + PQkey sortMin, heapMin; + + if( pq->size == 0 ) { + return __gl_pqHeapMinimum( pq->heap ); + } + sortMin = *(pq->order[pq->size-1]); + if( ! __gl_pqHeapIsEmpty( pq->heap )) { + heapMin = __gl_pqHeapMinimum( pq->heap ); + if( LEQ( heapMin, sortMin )) { + return heapMin; + } + } + return sortMin; +} + +/* really __gl_pqSortIsEmpty */ +int pqIsEmpty( PriorityQ *pq ) +{ + return (pq->size == 0) && __gl_pqHeapIsEmpty( pq->heap ); +} + +/* really __gl_pqSortDelete */ +void pqDelete( PriorityQ *pq, PQhandle curr ) +{ + if( curr >= 0 ) { + __gl_pqHeapDelete( pq->heap, curr ); + return; + } + curr = -(curr+1); + assert( curr < pq->max && pq->keys[curr] != NULL ); + + pq->keys[curr] = NULL; + while( pq->size > 0 && *(pq->order[pq->size-1]) == NULL ) { + -- pq->size; + } +} diff --git a/cogl-path/tesselator/priorityq.h b/cogl-path/tesselator/priorityq.h new file mode 100644 index 0000000..746cf5f --- /dev/null +++ b/cogl-path/tesselator/priorityq.h @@ -0,0 +1,117 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __priorityq_sort_h_ +#define __priorityq_sort_h_ + +#include "priorityq-heap.h" + +#undef PQkey +#undef PQhandle +#undef PriorityQ +#undef pqNewPriorityQ +#undef pqDeletePriorityQ +#undef pqInit +#undef pqInsert +#undef pqMinimum +#undef pqExtractMin +#undef pqDelete +#undef pqIsEmpty + +/* Use #define's so that another heap implementation can use this one */ + +#define PQkey PQSortKey +#define PQhandle PQSortHandle +#define PriorityQ PriorityQSort + +#define pqNewPriorityQ(leq) __gl_pqSortNewPriorityQ(leq) +#define pqDeletePriorityQ(pq) __gl_pqSortDeletePriorityQ(pq) + +/* The basic operations are insertion of a new key (pqInsert), + * and examination/extraction of a key whose value is minimum + * (pqMinimum/pqExtractMin). Deletion is also allowed (pqDelete); + * for this purpose pqInsert returns a "handle" which is supplied + * as the argument. + * + * An initial heap may be created efficiently by calling pqInsert + * repeatedly, then calling pqInit. In any case pqInit must be called + * before any operations other than pqInsert are used. + * + * If the heap is empty, pqMinimum/pqExtractMin will return a NULL key. + * This may also be tested with pqIsEmpty. + */ +#define pqInit(pq) __gl_pqSortInit(pq) +#define pqInsert(pq,key) __gl_pqSortInsert(pq,key) +#define pqMinimum(pq) __gl_pqSortMinimum(pq) +#define pqExtractMin(pq) __gl_pqSortExtractMin(pq) +#define pqDelete(pq,handle) __gl_pqSortDelete(pq,handle) +#define pqIsEmpty(pq) __gl_pqSortIsEmpty(pq) + + +/* Since we support deletion the data structure is a little more + * complicated than an ordinary heap. "nodes" is the heap itself; + * active nodes are stored in the range 1..pq->size. When the + * heap exceeds its allocated size (pq->max), its size doubles. + * The children of node i are nodes 2i and 2i+1. + * + * Each node stores an index into an array "handles". Each handle + * stores a key, plus a pointer back to the node which currently + * represents that key (ie. nodes[handles[i].node].handle == i). + */ + +typedef PQHeapKey PQkey; +typedef PQHeapHandle PQhandle; +typedef struct PriorityQ PriorityQ; + +struct PriorityQ { + PriorityQHeap *heap; + PQkey *keys; + PQkey **order; + PQhandle size, max; + int initialized; + int (*leq)(PQkey key1, PQkey key2); +}; + +PriorityQ *pqNewPriorityQ( int (*leq)(PQkey key1, PQkey key2) ); +void pqDeletePriorityQ( PriorityQ *pq ); + +int pqInit( PriorityQ *pq ); +PQhandle pqInsert( PriorityQ *pq, PQkey key ); +PQkey pqExtractMin( PriorityQ *pq ); +void pqDelete( PriorityQ *pq, PQhandle handle ); + +PQkey pqMinimum( PriorityQ *pq ); +int pqIsEmpty( PriorityQ *pq ); + +#endif diff --git a/cogl-path/tesselator/render.c b/cogl-path/tesselator/render.c new file mode 100644 index 0000000..bca836f --- /dev/null +++ b/cogl-path/tesselator/render.c @@ -0,0 +1,502 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include "gluos.h" +#include +#include +#include "mesh.h" +#include "tess.h" +#include "render.h" + +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif + +/* This structure remembers the information we need about a primitive + * to be able to render it later, once we have determined which + * primitive is able to use the most triangles. + */ +struct FaceCount { + long size; /* number of triangles used */ + GLUhalfEdge *eStart; /* edge where this primitive starts */ + void (*render)(GLUtesselator *, GLUhalfEdge *, long); + /* routine to render this primitive */ +}; + +static struct FaceCount MaximumFan( GLUhalfEdge *eOrig ); +static struct FaceCount MaximumStrip( GLUhalfEdge *eOrig ); + +static void RenderFan( GLUtesselator *tess, GLUhalfEdge *eStart, long size ); +static void RenderStrip( GLUtesselator *tess, GLUhalfEdge *eStart, long size ); +static void RenderTriangle( GLUtesselator *tess, GLUhalfEdge *eStart, + long size ); + +static void RenderMaximumFaceGroup( GLUtesselator *tess, GLUface *fOrig ); +static void RenderLonelyTriangles( GLUtesselator *tess, GLUface *head ); + + + +/************************ Strips and Fans decomposition ******************/ + +/* __gl_renderMesh( tess, mesh ) takes a mesh and breaks it into triangle + * fans, strips, and separate triangles. A substantial effort is made + * to use as few rendering primitives as possible (ie. to make the fans + * and strips as large as possible). + * + * The rendering output is provided as callbacks (see the api). + */ +void __gl_renderMesh( GLUtesselator *tess, GLUmesh *mesh ) +{ + GLUface *f; + + /* Make a list of separate triangles so we can render them all at once */ + tess->lonelyTriList = NULL; + + for( f = mesh->fHead.next; f != &mesh->fHead; f = f->next ) { + f->marked = FALSE; + } + for( f = mesh->fHead.next; f != &mesh->fHead; f = f->next ) { + + /* We examine all faces in an arbitrary order. Whenever we find + * an unprocessed face F, we output a group of faces including F + * whose size is maximum. + */ + if( f->inside && ! f->marked ) { + RenderMaximumFaceGroup( tess, f ); + assert( f->marked ); + } + } + if( tess->lonelyTriList != NULL ) { + RenderLonelyTriangles( tess, tess->lonelyTriList ); + tess->lonelyTriList = NULL; + } +} + + +static void RenderMaximumFaceGroup( GLUtesselator *tess, GLUface *fOrig ) +{ + /* We want to find the largest triangle fan or strip of unmarked faces + * which includes the given face fOrig. There are 3 possible fans + * passing through fOrig (one centered at each vertex), and 3 possible + * strips (one for each CCW permutation of the vertices). Our strategy + * is to try all of these, and take the primitive which uses the most + * triangles (a greedy approach). + */ + GLUhalfEdge *e = fOrig->anEdge; + struct FaceCount max, newFace; + + max.size = 1; + max.eStart = e; + max.render = &RenderTriangle; + + if( ! tess->flagBoundary ) { + newFace = MaximumFan( e ); if( newFace.size > max.size ) { max = newFace; } + newFace = MaximumFan( e->Lnext ); if( newFace.size > max.size ) { max = newFace; } + newFace = MaximumFan( e->Lprev ); if( newFace.size > max.size ) { max = newFace; } + + newFace = MaximumStrip( e ); if( newFace.size > max.size ) { max = newFace; } + newFace = MaximumStrip( e->Lnext ); if( newFace.size > max.size ) { max = newFace; } + newFace = MaximumStrip( e->Lprev ); if( newFace.size > max.size ) { max = newFace; } + } + (*(max.render))( tess, max.eStart, max.size ); +} + + +/* Macros which keep track of faces we have marked temporarily, and allow + * us to backtrack when necessary. With triangle fans, this is not + * really necessary, since the only awkward case is a loop of triangles + * around a single origin vertex. However with strips the situation is + * more complicated, and we need a general tracking method like the + * one here. + */ +#define Marked(f) (! (f)->inside || (f)->marked) + +#define AddToTrail(f,t) ((f)->trail = (t), (t) = (f), (f)->marked = TRUE) + +#define FreeTrail(t) do { \ + while( (t) != NULL ) { \ + (t)->marked = FALSE; t = (t)->trail; \ + } \ + } while(0) /* absorb trailing semicolon */ + + + +static struct FaceCount MaximumFan( GLUhalfEdge *eOrig ) +{ + /* eOrig->Lface is the face we want to render. We want to find the size + * of a maximal fan around eOrig->Org. To do this we just walk around + * the origin vertex as far as possible in both directions. + */ + struct FaceCount newFace = { 0, NULL, &RenderFan }; + GLUface *trail = NULL; + GLUhalfEdge *e; + + for( e = eOrig; ! Marked( e->Lface ); e = e->Onext ) { + AddToTrail( e->Lface, trail ); + ++newFace.size; + } + for( e = eOrig; ! Marked( e->Rface ); e = e->Oprev ) { + AddToTrail( e->Rface, trail ); + ++newFace.size; + } + newFace.eStart = e; + /*LINTED*/ + FreeTrail( trail ); + return newFace; +} + + +#define IsEven(n) (((n) & 1) == 0) + +static struct FaceCount MaximumStrip( GLUhalfEdge *eOrig ) +{ + /* Here we are looking for a maximal strip that contains the vertices + * eOrig->Org, eOrig->Dst, eOrig->Lnext->Dst (in that order or the + * reverse, such that all triangles are oriented CCW). + * + * Again we walk forward and backward as far as possible. However for + * strips there is a twist: to get CCW orientations, there must be + * an *even* number of triangles in the strip on one side of eOrig. + * We walk the strip starting on a side with an even number of triangles; + * if both side have an odd number, we are forced to shorten one side. + */ + struct FaceCount newFace = { 0, NULL, &RenderStrip }; + long headSize = 0, tailSize = 0; + GLUface *trail = NULL; + GLUhalfEdge *e, *eTail, *eHead; + + for( e = eOrig; ! Marked( e->Lface ); ++tailSize, e = e->Onext ) { + AddToTrail( e->Lface, trail ); + ++tailSize; + e = e->Dprev; + if( Marked( e->Lface )) break; + AddToTrail( e->Lface, trail ); + } + eTail = e; + + for( e = eOrig; ! Marked( e->Rface ); ++headSize, e = e->Dnext ) { + AddToTrail( e->Rface, trail ); + ++headSize; + e = e->Oprev; + if( Marked( e->Rface )) break; + AddToTrail( e->Rface, trail ); + } + eHead = e; + + newFace.size = tailSize + headSize; + if( IsEven( tailSize )) { + newFace.eStart = eTail->Sym; + } else if( IsEven( headSize )) { + newFace.eStart = eHead; + } else { + /* Both sides have odd length, we must shorten one of them. In fact, + * we must start from eHead to guarantee inclusion of eOrig->Lface. + */ + --newFace.size; + newFace.eStart = eHead->Onext; + } + /*LINTED*/ + FreeTrail( trail ); + return newFace; +} + + +static void RenderTriangle( GLUtesselator *tess, GLUhalfEdge *e, long size ) +{ + /* Just add the triangle to a triangle list, so we can render all + * the separate triangles at once. + */ + assert( size == 1 ); + AddToTrail( e->Lface, tess->lonelyTriList ); +} + + +static void RenderLonelyTriangles( GLUtesselator *tess, GLUface *f ) +{ + /* Now we render all the separate triangles which could not be + * grouped into a triangle fan or strip. + */ + GLUhalfEdge *e; + int newState; + int edgeState = -1; /* force edge state output for first vertex */ + + CALL_BEGIN_OR_BEGIN_DATA( GL_TRIANGLES ); + + for( ; f != NULL; f = f->trail ) { + /* Loop once for each edge (there will always be 3 edges) */ + + e = f->anEdge; + do { + if( tess->flagBoundary ) { + /* Set the "edge state" to TRUE just before we output the + * first vertex of each edge on the polygon boundary. + */ + newState = ! e->Rface->inside; + if( edgeState != newState ) { + edgeState = newState; + CALL_EDGE_FLAG_OR_EDGE_FLAG_DATA( edgeState ); + } + } + CALL_VERTEX_OR_VERTEX_DATA( e->Org->data ); + + e = e->Lnext; + } while( e != f->anEdge ); + } + CALL_END_OR_END_DATA(); +} + + +static void RenderFan( GLUtesselator *tess, GLUhalfEdge *e, long size ) +{ + /* Render as many CCW triangles as possible in a fan starting from + * edge "e". The fan *should* contain exactly "size" triangles + * (otherwise we've goofed up somewhere). + */ + CALL_BEGIN_OR_BEGIN_DATA( GL_TRIANGLE_FAN ); + CALL_VERTEX_OR_VERTEX_DATA( e->Org->data ); + CALL_VERTEX_OR_VERTEX_DATA( e->Dst->data ); + + while( ! Marked( e->Lface )) { + e->Lface->marked = TRUE; + --size; + e = e->Onext; + CALL_VERTEX_OR_VERTEX_DATA( e->Dst->data ); + } + + assert( size == 0 ); + CALL_END_OR_END_DATA(); +} + + +static void RenderStrip( GLUtesselator *tess, GLUhalfEdge *e, long size ) +{ + /* Render as many CCW triangles as possible in a strip starting from + * edge "e". The strip *should* contain exactly "size" triangles + * (otherwise we've goofed up somewhere). + */ + CALL_BEGIN_OR_BEGIN_DATA( GL_TRIANGLE_STRIP ); + CALL_VERTEX_OR_VERTEX_DATA( e->Org->data ); + CALL_VERTEX_OR_VERTEX_DATA( e->Dst->data ); + + while( ! Marked( e->Lface )) { + e->Lface->marked = TRUE; + --size; + e = e->Dprev; + CALL_VERTEX_OR_VERTEX_DATA( e->Org->data ); + if( Marked( e->Lface )) break; + + e->Lface->marked = TRUE; + --size; + e = e->Onext; + CALL_VERTEX_OR_VERTEX_DATA( e->Dst->data ); + } + + assert( size == 0 ); + CALL_END_OR_END_DATA(); +} + + +/************************ Boundary contour decomposition ******************/ + +/* __gl_renderBoundary( tess, mesh ) takes a mesh, and outputs one + * contour for each face marked "inside". The rendering output is + * provided as callbacks (see the api). + */ +void __gl_renderBoundary( GLUtesselator *tess, GLUmesh *mesh ) +{ + GLUface *f; + GLUhalfEdge *e; + + for( f = mesh->fHead.next; f != &mesh->fHead; f = f->next ) { + if( f->inside ) { + CALL_BEGIN_OR_BEGIN_DATA( GL_LINE_LOOP ); + e = f->anEdge; + do { + CALL_VERTEX_OR_VERTEX_DATA( e->Org->data ); + e = e->Lnext; + } while( e != f->anEdge ); + CALL_END_OR_END_DATA(); + } + } +} + + +/************************ Quick-and-dirty decomposition ******************/ + +#define SIGN_INCONSISTENT 2 + +static int ComputeNormal( GLUtesselator *tess, GLdouble norm[3], int check ) +/* + * If check==FALSE, we compute the polygon normal and place it in norm[]. + * If check==TRUE, we check that each triangle in the fan from v0 has a + * consistent orientation with respect to norm[]. If triangles are + * consistently oriented CCW, return 1; if CW, return -1; if all triangles + * are degenerate return 0; otherwise (no consistent orientation) return + * SIGN_INCONSISTENT. + */ +{ + CachedVertex *v0 = tess->cache; + CachedVertex *vn = v0 + tess->cacheCount; + CachedVertex *vc; + GLdouble dot, xc, yc, zc, xp, yp, zp, n[3]; + int sign = 0; + + /* Find the polygon normal. It is important to get a reasonable + * normal even when the polygon is self-intersecting (eg. a bowtie). + * Otherwise, the computed normal could be very tiny, but perpendicular + * to the true plane of the polygon due to numerical noise. Then all + * the triangles would appear to be degenerate and we would incorrectly + * decompose the polygon as a fan (or simply not render it at all). + * + * We use a sum-of-triangles normal algorithm rather than the more + * efficient sum-of-trapezoids method (used in CheckOrientation() + * in normal.c). This lets us explicitly reverse the signed area + * of some triangles to get a reasonable normal in the self-intersecting + * case. + */ + if( ! check ) { + norm[0] = norm[1] = norm[2] = 0.0; + } + + vc = v0 + 1; + xc = vc->coords[0] - v0->coords[0]; + yc = vc->coords[1] - v0->coords[1]; + zc = vc->coords[2] - v0->coords[2]; + while( ++vc < vn ) { + xp = xc; yp = yc; zp = zc; + xc = vc->coords[0] - v0->coords[0]; + yc = vc->coords[1] - v0->coords[1]; + zc = vc->coords[2] - v0->coords[2]; + + /* Compute (vp - v0) cross (vc - v0) */ + n[0] = yp*zc - zp*yc; + n[1] = zp*xc - xp*zc; + n[2] = xp*yc - yp*xc; + + dot = n[0]*norm[0] + n[1]*norm[1] + n[2]*norm[2]; + if( ! check ) { + /* Reverse the contribution of back-facing triangles to get + * a reasonable normal for self-intersecting polygons (see above) + */ + if( dot >= 0 ) { + norm[0] += n[0]; norm[1] += n[1]; norm[2] += n[2]; + } else { + norm[0] -= n[0]; norm[1] -= n[1]; norm[2] -= n[2]; + } + } else if( dot != 0 ) { + /* Check the new orientation for consistency with previous triangles */ + if( dot > 0 ) { + if( sign < 0 ) return SIGN_INCONSISTENT; + sign = 1; + } else { + if( sign > 0 ) return SIGN_INCONSISTENT; + sign = -1; + } + } + } + return sign; +} + +/* __gl_renderCache( tess ) takes a single contour and tries to render it + * as a triangle fan. This handles convex polygons, as well as some + * non-convex polygons if we get lucky. + * + * Returns TRUE if the polygon was successfully rendered. The rendering + * output is provided as callbacks (see the api). + */ +GLboolean __gl_renderCache( GLUtesselator *tess ) +{ + CachedVertex *v0 = tess->cache; + CachedVertex *vn = v0 + tess->cacheCount; + CachedVertex *vc; + GLdouble norm[3]; + int sign; + + if( tess->cacheCount < 3 ) { + /* Degenerate contour -- no output */ + return TRUE; + } + + norm[0] = tess->normal[0]; + norm[1] = tess->normal[1]; + norm[2] = tess->normal[2]; + if( norm[0] == 0 && norm[1] == 0 && norm[2] == 0 ) { + ComputeNormal( tess, norm, FALSE ); + } + + sign = ComputeNormal( tess, norm, TRUE ); + if( sign == SIGN_INCONSISTENT ) { + /* Fan triangles did not have a consistent orientation */ + return FALSE; + } + if( sign == 0 ) { + /* All triangles were degenerate */ + return TRUE; + } + + /* Make sure we do the right thing for each winding rule */ + switch( tess->windingRule ) { + case GLU_TESS_WINDING_ODD: + case GLU_TESS_WINDING_NONZERO: + break; + case GLU_TESS_WINDING_POSITIVE: + if( sign < 0 ) return TRUE; + break; + case GLU_TESS_WINDING_NEGATIVE: + if( sign > 0 ) return TRUE; + break; + case GLU_TESS_WINDING_ABS_GEQ_TWO: + return TRUE; + } + + CALL_BEGIN_OR_BEGIN_DATA( tess->boundaryOnly ? GL_LINE_LOOP + : (tess->cacheCount > 3) ? GL_TRIANGLE_FAN + : GL_TRIANGLES ); + + CALL_VERTEX_OR_VERTEX_DATA( v0->data ); + if( sign > 0 ) { + for( vc = v0+1; vc < vn; ++vc ) { + CALL_VERTEX_OR_VERTEX_DATA( vc->data ); + } + } else { + for( vc = vn-1; vc > v0; --vc ) { + CALL_VERTEX_OR_VERTEX_DATA( vc->data ); + } + } + CALL_END_OR_END_DATA(); + return TRUE; +} diff --git a/cogl-path/tesselator/render.h b/cogl-path/tesselator/render.h new file mode 100644 index 0000000..a298c9a --- /dev/null +++ b/cogl-path/tesselator/render.h @@ -0,0 +1,52 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __render_h_ +#define __render_h_ + +#include "mesh.h" + +/* __gl_renderMesh( tess, mesh ) takes a mesh and breaks it into triangle + * fans, strips, and separate triangles. A substantial effort is made + * to use as few rendering primitives as possible (ie. to make the fans + * and strips as large as possible). + * + * The rendering output is provided as callbacks (see the api). + */ +void __gl_renderMesh( GLUtesselator *tess, GLUmesh *mesh ); +void __gl_renderBoundary( GLUtesselator *tess, GLUmesh *mesh ); + +GLboolean __gl_renderCache( GLUtesselator *tess ); + +#endif diff --git a/cogl-path/tesselator/sweep.c b/cogl-path/tesselator/sweep.c new file mode 100644 index 0000000..eca828f --- /dev/null +++ b/cogl-path/tesselator/sweep.c @@ -0,0 +1,1361 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include "gluos.h" +#include +#include +#include /* longjmp */ +#include /* LONG_MAX */ + +#include "mesh.h" +#include "geom.h" +#include "tess.h" +#include "dict.h" +#include "priorityq.h" +#include "memalloc.h" +#include "sweep.h" + +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif + +#ifdef FOR_TRITE_TEST_PROGRAM +extern void DebugEvent( GLUtesselator *tess ); +#else +#define DebugEvent( tess ) +#endif + +/* + * Invariants for the Edge Dictionary. + * - each pair of adjacent edges e2=Succ(e1) satisfies EdgeLeq(e1,e2) + * at any valid location of the sweep event + * - if EdgeLeq(e2,e1) as well (at any valid sweep event), then e1 and e2 + * share a common endpoint + * - for each e, e->Dst has been processed, but not e->Org + * - each edge e satisfies VertLeq(e->Dst,event) && VertLeq(event,e->Org) + * where "event" is the current sweep line event. + * - no edge e has zero length + * + * Invariants for the Mesh (the processed portion). + * - the portion of the mesh left of the sweep line is a planar graph, + * ie. there is *some* way to embed it in the plane + * - no processed edge has zero length + * - no two processed vertices have identical coordinates + * - each "inside" region is monotone, ie. can be broken into two chains + * of monotonically increasing vertices according to VertLeq(v1,v2) + * - a non-invariant: these chains may intersect (very slightly) + * + * Invariants for the Sweep. + * - if none of the edges incident to the event vertex have an activeRegion + * (ie. none of these edges are in the edge dictionary), then the vertex + * has only right-going edges. + * - if an edge is marked "fixUpperEdge" (it is a temporary edge introduced + * by ConnectRightVertex), then it is the only right-going edge from + * its associated vertex. (This says that these edges exist only + * when it is necessary.) + */ + +#undef MAX +#undef MIN +#define MAX(x,y) ((x) >= (y) ? (x) : (y)) +#define MIN(x,y) ((x) <= (y) ? (x) : (y)) + +/* When we merge two edges into one, we need to compute the combined + * winding of the new edge. + */ +#define AddWinding(eDst,eSrc) (eDst->winding += eSrc->winding, \ + eDst->Sym->winding += eSrc->Sym->winding) + +static void SweepEvent( GLUtesselator *tess, GLUvertex *vEvent ); +static void WalkDirtyRegions( GLUtesselator *tess, ActiveRegion *regUp ); +static int CheckForRightSplice( GLUtesselator *tess, ActiveRegion *regUp ); + +static int EdgeLeq( GLUtesselator *tess, ActiveRegion *reg1, + ActiveRegion *reg2 ) +/* + * Both edges must be directed from right to left (this is the canonical + * direction for the upper edge of each region). + * + * The strategy is to evaluate a "t" value for each edge at the + * current sweep line position, given by tess->event. The calculations + * are designed to be very stable, but of course they are not perfect. + * + * Special case: if both edge destinations are at the sweep event, + * we sort the edges by slope (they would otherwise compare equally). + */ +{ + GLUvertex *event = tess->event; + GLUhalfEdge *e1, *e2; + GLdouble t1, t2; + + e1 = reg1->eUp; + e2 = reg2->eUp; + + if( e1->Dst == event ) { + if( e2->Dst == event ) { + /* Two edges right of the sweep line which meet at the sweep event. + * Sort them by slope. + */ + if( VertLeq( e1->Org, e2->Org )) { + return EdgeSign( e2->Dst, e1->Org, e2->Org ) <= 0; + } + return EdgeSign( e1->Dst, e2->Org, e1->Org ) >= 0; + } + return EdgeSign( e2->Dst, event, e2->Org ) <= 0; + } + if( e2->Dst == event ) { + return EdgeSign( e1->Dst, event, e1->Org ) >= 0; + } + + /* General case - compute signed distance *from* e1, e2 to event */ + t1 = EdgeEval( e1->Dst, event, e1->Org ); + t2 = EdgeEval( e2->Dst, event, e2->Org ); + return (t1 >= t2); +} + + +static void DeleteRegion( GLUtesselator *tess, ActiveRegion *reg ) +{ + if( reg->fixUpperEdge ) { + /* It was created with zero winding number, so it better be + * deleted with zero winding number (ie. it better not get merged + * with a real edge). + */ + assert( reg->eUp->winding == 0 ); + } + reg->eUp->activeRegion = NULL; + dictDelete( tess->dict, reg->nodeUp ); /* __gl_dictListDelete */ + memFree( reg ); +} + + +static int FixUpperEdge( ActiveRegion *reg, GLUhalfEdge *newEdge ) +/* + * Replace an upper edge which needs fixing (see ConnectRightVertex). + */ +{ + assert( reg->fixUpperEdge ); + if ( !__gl_meshDelete( reg->eUp ) ) return 0; + reg->fixUpperEdge = FALSE; + reg->eUp = newEdge; + newEdge->activeRegion = reg; + + return 1; +} + +static ActiveRegion *TopLeftRegion( ActiveRegion *reg ) +{ + GLUvertex *org = reg->eUp->Org; + GLUhalfEdge *e; + + /* Find the region above the uppermost edge with the same origin */ + do { + reg = RegionAbove( reg ); + } while( reg->eUp->Org == org ); + + /* If the edge above was a temporary edge introduced by ConnectRightVertex, + * now is the time to fix it. + */ + if( reg->fixUpperEdge ) { + e = __gl_meshConnect( RegionBelow(reg)->eUp->Sym, reg->eUp->Lnext ); + if (e == NULL) return NULL; + if ( !FixUpperEdge( reg, e ) ) return NULL; + reg = RegionAbove( reg ); + } + return reg; +} + +static ActiveRegion *TopRightRegion( ActiveRegion *reg ) +{ + GLUvertex *dst = reg->eUp->Dst; + + /* Find the region above the uppermost edge with the same destination */ + do { + reg = RegionAbove( reg ); + } while( reg->eUp->Dst == dst ); + return reg; +} + +static ActiveRegion *AddRegionBelow( GLUtesselator *tess, + ActiveRegion *regAbove, + GLUhalfEdge *eNewUp ) +/* + * Add a new active region to the sweep line, *somewhere* below "regAbove" + * (according to where the new edge belongs in the sweep-line dictionary). + * The upper edge of the new region will be "eNewUp". + * Winding number and "inside" flag are not updated. + */ +{ + ActiveRegion *regNew = (ActiveRegion *)memAlloc( sizeof( ActiveRegion )); + if (regNew == NULL) longjmp(tess->env,1); + + regNew->eUp = eNewUp; + /* __gl_dictListInsertBefore */ + regNew->nodeUp = dictInsertBefore( tess->dict, regAbove->nodeUp, regNew ); + if (regNew->nodeUp == NULL) longjmp(tess->env,1); + regNew->fixUpperEdge = FALSE; + regNew->sentinel = FALSE; + regNew->dirty = FALSE; + + eNewUp->activeRegion = regNew; + return regNew; +} + +static GLboolean IsWindingInside( GLUtesselator *tess, int n ) +{ + switch( tess->windingRule ) { + case GLU_TESS_WINDING_ODD: + return (n & 1); + case GLU_TESS_WINDING_NONZERO: + return (n != 0); + case GLU_TESS_WINDING_POSITIVE: + return (n > 0); + case GLU_TESS_WINDING_NEGATIVE: + return (n < 0); + case GLU_TESS_WINDING_ABS_GEQ_TWO: + return (n >= 2) || (n <= -2); + } + /*LINTED*/ + assert( FALSE ); + /*NOTREACHED*/ + return GL_FALSE; /* avoid compiler complaints */ +} + + +static void ComputeWinding( GLUtesselator *tess, ActiveRegion *reg ) +{ + reg->windingNumber = RegionAbove(reg)->windingNumber + reg->eUp->winding; + reg->inside = IsWindingInside( tess, reg->windingNumber ); +} + + +static void FinishRegion( GLUtesselator *tess, ActiveRegion *reg ) +/* + * Delete a region from the sweep line. This happens when the upper + * and lower chains of a region meet (at a vertex on the sweep line). + * The "inside" flag is copied to the appropriate mesh face (we could + * not do this before -- since the structure of the mesh is always + * changing, this face may not have even existed until now). + */ +{ + GLUhalfEdge *e = reg->eUp; + GLUface *f = e->Lface; + + f->inside = reg->inside; + f->anEdge = e; /* optimization for __gl_meshTessellateMonoRegion() */ + DeleteRegion( tess, reg ); +} + + +static GLUhalfEdge *FinishLeftRegions( GLUtesselator *tess, + ActiveRegion *regFirst, ActiveRegion *regLast ) +/* + * We are given a vertex with one or more left-going edges. All affected + * edges should be in the edge dictionary. Starting at regFirst->eUp, + * we walk down deleting all regions where both edges have the same + * origin vOrg. At the same time we copy the "inside" flag from the + * active region to the face, since at this point each face will belong + * to at most one region (this was not necessarily true until this point + * in the sweep). The walk stops at the region above regLast; if regLast + * is NULL we walk as far as possible. At the same time we relink the + * mesh if necessary, so that the ordering of edges around vOrg is the + * same as in the dictionary. + */ +{ + ActiveRegion *reg, *regPrev; + GLUhalfEdge *e, *ePrev; + + regPrev = regFirst; + ePrev = regFirst->eUp; + while( regPrev != regLast ) { + regPrev->fixUpperEdge = FALSE; /* placement was OK */ + reg = RegionBelow( regPrev ); + e = reg->eUp; + if( e->Org != ePrev->Org ) { + if( ! reg->fixUpperEdge ) { + /* Remove the last left-going edge. Even though there are no further + * edges in the dictionary with this origin, there may be further + * such edges in the mesh (if we are adding left edges to a vertex + * that has already been processed). Thus it is important to call + * FinishRegion rather than just DeleteRegion. + */ + FinishRegion( tess, regPrev ); + break; + } + /* If the edge below was a temporary edge introduced by + * ConnectRightVertex, now is the time to fix it. + */ + e = __gl_meshConnect( ePrev->Lprev, e->Sym ); + if (e == NULL) longjmp(tess->env,1); + if ( !FixUpperEdge( reg, e ) ) longjmp(tess->env,1); + } + + /* Relink edges so that ePrev->Onext == e */ + if( ePrev->Onext != e ) { + if ( !__gl_meshSplice( e->Oprev, e ) ) longjmp(tess->env,1); + if ( !__gl_meshSplice( ePrev, e ) ) longjmp(tess->env,1); + } + FinishRegion( tess, regPrev ); /* may change reg->eUp */ + ePrev = reg->eUp; + regPrev = reg; + } + return ePrev; +} + + +static void AddRightEdges( GLUtesselator *tess, ActiveRegion *regUp, + GLUhalfEdge *eFirst, GLUhalfEdge *eLast, GLUhalfEdge *eTopLeft, + GLboolean cleanUp ) +/* + * Purpose: insert right-going edges into the edge dictionary, and update + * winding numbers and mesh connectivity appropriately. All right-going + * edges share a common origin vOrg. Edges are inserted CCW starting at + * eFirst; the last edge inserted is eLast->Oprev. If vOrg has any + * left-going edges already processed, then eTopLeft must be the edge + * such that an imaginary upward vertical segment from vOrg would be + * contained between eTopLeft->Oprev and eTopLeft; otherwise eTopLeft + * should be NULL. + */ +{ + ActiveRegion *reg, *regPrev; + GLUhalfEdge *e, *ePrev; + int firstTime = TRUE; + + /* Insert the new right-going edges in the dictionary */ + e = eFirst; + do { + assert( VertLeq( e->Org, e->Dst )); + AddRegionBelow( tess, regUp, e->Sym ); + e = e->Onext; + } while ( e != eLast ); + + /* Walk *all* right-going edges from e->Org, in the dictionary order, + * updating the winding numbers of each region, and re-linking the mesh + * edges to match the dictionary ordering (if necessary). + */ + if( eTopLeft == NULL ) { + eTopLeft = RegionBelow( regUp )->eUp->Rprev; + } + regPrev = regUp; + ePrev = eTopLeft; + for( ;; ) { + reg = RegionBelow( regPrev ); + e = reg->eUp->Sym; + if( e->Org != ePrev->Org ) break; + + if( e->Onext != ePrev ) { + /* Unlink e from its current position, and relink below ePrev */ + if ( !__gl_meshSplice( e->Oprev, e ) ) longjmp(tess->env,1); + if ( !__gl_meshSplice( ePrev->Oprev, e ) ) longjmp(tess->env,1); + } + /* Compute the winding number and "inside" flag for the new regions */ + reg->windingNumber = regPrev->windingNumber - e->winding; + reg->inside = IsWindingInside( tess, reg->windingNumber ); + + /* Check for two outgoing edges with same slope -- process these + * before any intersection tests (see example in __gl_computeInterior). + */ + regPrev->dirty = TRUE; + if( ! firstTime && CheckForRightSplice( tess, regPrev )) { + AddWinding( e, ePrev ); + DeleteRegion( tess, regPrev ); + if ( !__gl_meshDelete( ePrev ) ) longjmp(tess->env,1); + } + firstTime = FALSE; + regPrev = reg; + ePrev = e; + } + regPrev->dirty = TRUE; + assert( regPrev->windingNumber - e->winding == reg->windingNumber ); + + if( cleanUp ) { + /* Check for intersections between newly adjacent edges. */ + WalkDirtyRegions( tess, regPrev ); + } +} + + +static void CallCombine( GLUtesselator *tess, GLUvertex *isect, + void *data[4], GLfloat weights[4], int needed ) +{ + GLdouble coords[3]; + + /* Copy coord data in case the callback changes it. */ + coords[0] = isect->coords[0]; + coords[1] = isect->coords[1]; + coords[2] = isect->coords[2]; + + isect->data = NULL; + CALL_COMBINE_OR_COMBINE_DATA( coords, data, weights, &isect->data ); + if( isect->data == NULL ) { + if( ! needed ) { + isect->data = data[0]; + } else if( ! tess->fatalError ) { + /* The only way fatal error is when two edges are found to intersect, + * but the user has not provided the callback necessary to handle + * generated intersection points. + */ + CALL_ERROR_OR_ERROR_DATA( GLU_TESS_NEED_COMBINE_CALLBACK ); + tess->fatalError = TRUE; + } + } +} + +static void SpliceMergeVertices( GLUtesselator *tess, GLUhalfEdge *e1, + GLUhalfEdge *e2 ) +/* + * Two vertices with idential coordinates are combined into one. + * e1->Org is kept, while e2->Org is discarded. + */ +{ + void *data[4] = { NULL, NULL, NULL, NULL }; + GLfloat weights[4] = { 0.5, 0.5, 0.0, 0.0 }; + + data[0] = e1->Org->data; + data[1] = e2->Org->data; + CallCombine( tess, e1->Org, data, weights, FALSE ); + if ( !__gl_meshSplice( e1, e2 ) ) longjmp(tess->env,1); +} + +static void VertexWeights( GLUvertex *isect, GLUvertex *org, GLUvertex *dst, + GLfloat *weights ) +/* + * Find some weights which describe how the intersection vertex is + * a linear combination of "org" and "dest". Each of the two edges + * which generated "isect" is allocated 50% of the weight; each edge + * splits the weight between its org and dst according to the + * relative distance to "isect". + */ +{ + GLdouble t1 = VertL1dist( org, isect ); + GLdouble t2 = VertL1dist( dst, isect ); + + weights[0] = 0.5 * t2 / (t1 + t2); + weights[1] = 0.5 * t1 / (t1 + t2); + isect->coords[0] += weights[0]*org->coords[0] + weights[1]*dst->coords[0]; + isect->coords[1] += weights[0]*org->coords[1] + weights[1]*dst->coords[1]; + isect->coords[2] += weights[0]*org->coords[2] + weights[1]*dst->coords[2]; +} + + +static void GetIntersectData( GLUtesselator *tess, GLUvertex *isect, + GLUvertex *orgUp, GLUvertex *dstUp, + GLUvertex *orgLo, GLUvertex *dstLo ) +/* + * We've computed a new intersection point, now we need a "data" pointer + * from the user so that we can refer to this new vertex in the + * rendering callbacks. + */ +{ + void *data[4]; + GLfloat weights[4]; + + data[0] = orgUp->data; + data[1] = dstUp->data; + data[2] = orgLo->data; + data[3] = dstLo->data; + + isect->coords[0] = isect->coords[1] = isect->coords[2] = 0; + VertexWeights( isect, orgUp, dstUp, &weights[0] ); + VertexWeights( isect, orgLo, dstLo, &weights[2] ); + + CallCombine( tess, isect, data, weights, TRUE ); +} + +static int CheckForRightSplice( GLUtesselator *tess, ActiveRegion *regUp ) +/* + * Check the upper and lower edge of "regUp", to make sure that the + * eUp->Org is above eLo, or eLo->Org is below eUp (depending on which + * origin is leftmost). + * + * The main purpose is to splice right-going edges with the same + * dest vertex and nearly identical slopes (ie. we can't distinguish + * the slopes numerically). However the splicing can also help us + * to recover from numerical errors. For example, suppose at one + * point we checked eUp and eLo, and decided that eUp->Org is barely + * above eLo. Then later, we split eLo into two edges (eg. from + * a splice operation like this one). This can change the result of + * our test so that now eUp->Org is incident to eLo, or barely below it. + * We must correct this condition to maintain the dictionary invariants. + * + * One possibility is to check these edges for intersection again + * (ie. CheckForIntersect). This is what we do if possible. However + * CheckForIntersect requires that tess->event lies between eUp and eLo, + * so that it has something to fall back on when the intersection + * calculation gives us an unusable answer. So, for those cases where + * we can't check for intersection, this routine fixes the problem + * by just splicing the offending vertex into the other edge. + * This is a guaranteed solution, no matter how degenerate things get. + * Basically this is a combinatorial solution to a numerical problem. + */ +{ + ActiveRegion *regLo = RegionBelow(regUp); + GLUhalfEdge *eUp = regUp->eUp; + GLUhalfEdge *eLo = regLo->eUp; + + if( VertLeq( eUp->Org, eLo->Org )) { + if( EdgeSign( eLo->Dst, eUp->Org, eLo->Org ) > 0 ) return FALSE; + + /* eUp->Org appears to be below eLo */ + if( ! VertEq( eUp->Org, eLo->Org )) { + /* Splice eUp->Org into eLo */ + if ( __gl_meshSplitEdge( eLo->Sym ) == NULL) longjmp(tess->env,1); + if ( !__gl_meshSplice( eUp, eLo->Oprev ) ) longjmp(tess->env,1); + regUp->dirty = regLo->dirty = TRUE; + + } else if( eUp->Org != eLo->Org ) { + /* merge the two vertices, discarding eUp->Org */ + pqDelete( tess->pq, eUp->Org->pqHandle ); /* __gl_pqSortDelete */ + SpliceMergeVertices( tess, eLo->Oprev, eUp ); + } + } else { + if( EdgeSign( eUp->Dst, eLo->Org, eUp->Org ) < 0 ) return FALSE; + + /* eLo->Org appears to be above eUp, so splice eLo->Org into eUp */ + RegionAbove(regUp)->dirty = regUp->dirty = TRUE; + if (__gl_meshSplitEdge( eUp->Sym ) == NULL) longjmp(tess->env,1); + if ( !__gl_meshSplice( eLo->Oprev, eUp ) ) longjmp(tess->env,1); + } + return TRUE; +} + +static int CheckForLeftSplice( GLUtesselator *tess, ActiveRegion *regUp ) +/* + * Check the upper and lower edge of "regUp", to make sure that the + * eUp->Dst is above eLo, or eLo->Dst is below eUp (depending on which + * destination is rightmost). + * + * Theoretically, this should always be true. However, splitting an edge + * into two pieces can change the results of previous tests. For example, + * suppose at one point we checked eUp and eLo, and decided that eUp->Dst + * is barely above eLo. Then later, we split eLo into two edges (eg. from + * a splice operation like this one). This can change the result of + * the test so that now eUp->Dst is incident to eLo, or barely below it. + * We must correct this condition to maintain the dictionary invariants + * (otherwise new edges might get inserted in the wrong place in the + * dictionary, and bad stuff will happen). + * + * We fix the problem by just splicing the offending vertex into the + * other edge. + */ +{ + ActiveRegion *regLo = RegionBelow(regUp); + GLUhalfEdge *eUp = regUp->eUp; + GLUhalfEdge *eLo = regLo->eUp; + GLUhalfEdge *e; + + assert( ! VertEq( eUp->Dst, eLo->Dst )); + + if( VertLeq( eUp->Dst, eLo->Dst )) { + if( EdgeSign( eUp->Dst, eLo->Dst, eUp->Org ) < 0 ) return FALSE; + + /* eLo->Dst is above eUp, so splice eLo->Dst into eUp */ + RegionAbove(regUp)->dirty = regUp->dirty = TRUE; + e = __gl_meshSplitEdge( eUp ); + if (e == NULL) longjmp(tess->env,1); + if ( !__gl_meshSplice( eLo->Sym, e ) ) longjmp(tess->env,1); + e->Lface->inside = regUp->inside; + } else { + if( EdgeSign( eLo->Dst, eUp->Dst, eLo->Org ) > 0 ) return FALSE; + + /* eUp->Dst is below eLo, so splice eUp->Dst into eLo */ + regUp->dirty = regLo->dirty = TRUE; + e = __gl_meshSplitEdge( eLo ); + if (e == NULL) longjmp(tess->env,1); + if ( !__gl_meshSplice( eUp->Lnext, eLo->Sym ) ) longjmp(tess->env,1); + e->Rface->inside = regUp->inside; + } + return TRUE; +} + + +static int CheckForIntersect( GLUtesselator *tess, ActiveRegion *regUp ) +/* + * Check the upper and lower edges of the given region to see if + * they intersect. If so, create the intersection and add it + * to the data structures. + * + * Returns TRUE if adding the new intersection resulted in a recursive + * call to AddRightEdges(); in this case all "dirty" regions have been + * checked for intersections, and possibly regUp has been deleted. + */ +{ + ActiveRegion *regLo = RegionBelow(regUp); + GLUhalfEdge *eUp = regUp->eUp; + GLUhalfEdge *eLo = regLo->eUp; + GLUvertex *orgUp = eUp->Org; + GLUvertex *orgLo = eLo->Org; + GLUvertex *dstUp = eUp->Dst; + GLUvertex *dstLo = eLo->Dst; + GLdouble tMinUp, tMaxLo; + GLUvertex isect, *orgMin; + GLUhalfEdge *e; + + assert( ! VertEq( dstLo, dstUp )); + assert( EdgeSign( dstUp, tess->event, orgUp ) <= 0 ); + assert( EdgeSign( dstLo, tess->event, orgLo ) >= 0 ); + assert( orgUp != tess->event && orgLo != tess->event ); + assert( ! regUp->fixUpperEdge && ! regLo->fixUpperEdge ); + + if( orgUp == orgLo ) return FALSE; /* right endpoints are the same */ + + tMinUp = MIN( orgUp->t, dstUp->t ); + tMaxLo = MAX( orgLo->t, dstLo->t ); + if( tMinUp > tMaxLo ) return FALSE; /* t ranges do not overlap */ + + if( VertLeq( orgUp, orgLo )) { + if( EdgeSign( dstLo, orgUp, orgLo ) > 0 ) return FALSE; + } else { + if( EdgeSign( dstUp, orgLo, orgUp ) < 0 ) return FALSE; + } + + /* At this point the edges intersect, at least marginally */ + DebugEvent( tess ); + + __gl_edgeIntersect( dstUp, orgUp, dstLo, orgLo, &isect ); + /* The following properties are guaranteed: */ + assert( MIN( orgUp->t, dstUp->t ) <= isect.t ); + assert( isect.t <= MAX( orgLo->t, dstLo->t )); + assert( MIN( dstLo->s, dstUp->s ) <= isect.s ); + assert( isect.s <= MAX( orgLo->s, orgUp->s )); + + if( VertLeq( &isect, tess->event )) { + /* The intersection point lies slightly to the left of the sweep line, + * so move it until it''s slightly to the right of the sweep line. + * (If we had perfect numerical precision, this would never happen + * in the first place). The easiest and safest thing to do is + * replace the intersection by tess->event. + */ + isect.s = tess->event->s; + isect.t = tess->event->t; + } + /* Similarly, if the computed intersection lies to the right of the + * rightmost origin (which should rarely happen), it can cause + * unbelievable inefficiency on sufficiently degenerate inputs. + * (If you have the test program, try running test54.d with the + * "X zoom" option turned on). + */ + orgMin = VertLeq( orgUp, orgLo ) ? orgUp : orgLo; + if( VertLeq( orgMin, &isect )) { + isect.s = orgMin->s; + isect.t = orgMin->t; + } + + if( VertEq( &isect, orgUp ) || VertEq( &isect, orgLo )) { + /* Easy case -- intersection at one of the right endpoints */ + (void) CheckForRightSplice( tess, regUp ); + return FALSE; + } + + if( (! VertEq( dstUp, tess->event ) + && EdgeSign( dstUp, tess->event, &isect ) >= 0) + || (! VertEq( dstLo, tess->event ) + && EdgeSign( dstLo, tess->event, &isect ) <= 0 )) + { + /* Very unusual -- the new upper or lower edge would pass on the + * wrong side of the sweep event, or through it. This can happen + * due to very small numerical errors in the intersection calculation. + */ + if( dstLo == tess->event ) { + /* Splice dstLo into eUp, and process the new region(s) */ + if (__gl_meshSplitEdge( eUp->Sym ) == NULL) longjmp(tess->env,1); + if ( !__gl_meshSplice( eLo->Sym, eUp ) ) longjmp(tess->env,1); + regUp = TopLeftRegion( regUp ); + if (regUp == NULL) longjmp(tess->env,1); + eUp = RegionBelow(regUp)->eUp; + FinishLeftRegions( tess, RegionBelow(regUp), regLo ); + AddRightEdges( tess, regUp, eUp->Oprev, eUp, eUp, TRUE ); + return TRUE; + } + if( dstUp == tess->event ) { + /* Splice dstUp into eLo, and process the new region(s) */ + if (__gl_meshSplitEdge( eLo->Sym ) == NULL) longjmp(tess->env,1); + if ( !__gl_meshSplice( eUp->Lnext, eLo->Oprev ) ) longjmp(tess->env,1); + regLo = regUp; + regUp = TopRightRegion( regUp ); + e = RegionBelow(regUp)->eUp->Rprev; + regLo->eUp = eLo->Oprev; + eLo = FinishLeftRegions( tess, regLo, NULL ); + AddRightEdges( tess, regUp, eLo->Onext, eUp->Rprev, e, TRUE ); + return TRUE; + } + /* Special case: called from ConnectRightVertex. If either + * edge passes on the wrong side of tess->event, split it + * (and wait for ConnectRightVertex to splice it appropriately). + */ + if( EdgeSign( dstUp, tess->event, &isect ) >= 0 ) { + RegionAbove(regUp)->dirty = regUp->dirty = TRUE; + if (__gl_meshSplitEdge( eUp->Sym ) == NULL) longjmp(tess->env,1); + eUp->Org->s = tess->event->s; + eUp->Org->t = tess->event->t; + } + if( EdgeSign( dstLo, tess->event, &isect ) <= 0 ) { + regUp->dirty = regLo->dirty = TRUE; + if (__gl_meshSplitEdge( eLo->Sym ) == NULL) longjmp(tess->env,1); + eLo->Org->s = tess->event->s; + eLo->Org->t = tess->event->t; + } + /* leave the rest for ConnectRightVertex */ + return FALSE; + } + + /* General case -- split both edges, splice into new vertex. + * When we do the splice operation, the order of the arguments is + * arbitrary as far as correctness goes. However, when the operation + * creates a new face, the work done is proportional to the size of + * the new face. We expect the faces in the processed part of + * the mesh (ie. eUp->Lface) to be smaller than the faces in the + * unprocessed original contours (which will be eLo->Oprev->Lface). + */ + if (__gl_meshSplitEdge( eUp->Sym ) == NULL) longjmp(tess->env,1); + if (__gl_meshSplitEdge( eLo->Sym ) == NULL) longjmp(tess->env,1); + if ( !__gl_meshSplice( eLo->Oprev, eUp ) ) longjmp(tess->env,1); + eUp->Org->s = isect.s; + eUp->Org->t = isect.t; + eUp->Org->pqHandle = pqInsert( tess->pq, eUp->Org ); /* __gl_pqSortInsert */ + if (eUp->Org->pqHandle == LONG_MAX) { + pqDeletePriorityQ(tess->pq); /* __gl_pqSortDeletePriorityQ */ + tess->pq = NULL; + longjmp(tess->env,1); + } + GetIntersectData( tess, eUp->Org, orgUp, dstUp, orgLo, dstLo ); + RegionAbove(regUp)->dirty = regUp->dirty = regLo->dirty = TRUE; + return FALSE; +} + +static void WalkDirtyRegions( GLUtesselator *tess, ActiveRegion *regUp ) +/* + * When the upper or lower edge of any region changes, the region is + * marked "dirty". This routine walks through all the dirty regions + * and makes sure that the dictionary invariants are satisfied + * (see the comments at the beginning of this file). Of course + * new dirty regions can be created as we make changes to restore + * the invariants. + */ +{ + ActiveRegion *regLo = RegionBelow(regUp); + GLUhalfEdge *eUp, *eLo; + + for( ;; ) { + /* Find the lowest dirty region (we walk from the bottom up). */ + while( regLo->dirty ) { + regUp = regLo; + regLo = RegionBelow(regLo); + } + if( ! regUp->dirty ) { + regLo = regUp; + regUp = RegionAbove( regUp ); + if( regUp == NULL || ! regUp->dirty ) { + /* We've walked all the dirty regions */ + return; + } + } + regUp->dirty = FALSE; + eUp = regUp->eUp; + eLo = regLo->eUp; + + if( eUp->Dst != eLo->Dst ) { + /* Check that the edge ordering is obeyed at the Dst vertices. */ + if( CheckForLeftSplice( tess, regUp )) { + + /* If the upper or lower edge was marked fixUpperEdge, then + * we no longer need it (since these edges are needed only for + * vertices which otherwise have no right-going edges). + */ + if( regLo->fixUpperEdge ) { + DeleteRegion( tess, regLo ); + if ( !__gl_meshDelete( eLo ) ) longjmp(tess->env,1); + regLo = RegionBelow( regUp ); + eLo = regLo->eUp; + } else if( regUp->fixUpperEdge ) { + DeleteRegion( tess, regUp ); + if ( !__gl_meshDelete( eUp ) ) longjmp(tess->env,1); + regUp = RegionAbove( regLo ); + eUp = regUp->eUp; + } + } + } + if( eUp->Org != eLo->Org ) { + if( eUp->Dst != eLo->Dst + && ! regUp->fixUpperEdge && ! regLo->fixUpperEdge + && (eUp->Dst == tess->event || eLo->Dst == tess->event) ) + { + /* When all else fails in CheckForIntersect(), it uses tess->event + * as the intersection location. To make this possible, it requires + * that tess->event lie between the upper and lower edges, and also + * that neither of these is marked fixUpperEdge (since in the worst + * case it might splice one of these edges into tess->event, and + * violate the invariant that fixable edges are the only right-going + * edge from their associated vertex). + */ + if( CheckForIntersect( tess, regUp )) { + /* WalkDirtyRegions() was called recursively; we're done */ + return; + } + } else { + /* Even though we can't use CheckForIntersect(), the Org vertices + * may violate the dictionary edge ordering. Check and correct this. + */ + (void) CheckForRightSplice( tess, regUp ); + } + } + if( eUp->Org == eLo->Org && eUp->Dst == eLo->Dst ) { + /* A degenerate loop consisting of only two edges -- delete it. */ + AddWinding( eLo, eUp ); + DeleteRegion( tess, regUp ); + if ( !__gl_meshDelete( eUp ) ) longjmp(tess->env,1); + regUp = RegionAbove( regLo ); + } + } +} + + +static void ConnectRightVertex( GLUtesselator *tess, ActiveRegion *regUp, + GLUhalfEdge *eBottomLeft ) +/* + * Purpose: connect a "right" vertex vEvent (one where all edges go left) + * to the unprocessed portion of the mesh. Since there are no right-going + * edges, two regions (one above vEvent and one below) are being merged + * into one. "regUp" is the upper of these two regions. + * + * There are two reasons for doing this (adding a right-going edge): + * - if the two regions being merged are "inside", we must add an edge + * to keep them separated (the combined region would not be monotone). + * - in any case, we must leave some record of vEvent in the dictionary, + * so that we can merge vEvent with features that we have not seen yet. + * For example, maybe there is a vertical edge which passes just to + * the right of vEvent; we would like to splice vEvent into this edge. + * + * However, we don't want to connect vEvent to just any vertex. We don''t + * want the new edge to cross any other edges; otherwise we will create + * intersection vertices even when the input data had no self-intersections. + * (This is a bad thing; if the user's input data has no intersections, + * we don't want to generate any false intersections ourselves.) + * + * Our eventual goal is to connect vEvent to the leftmost unprocessed + * vertex of the combined region (the union of regUp and regLo). + * But because of unseen vertices with all right-going edges, and also + * new vertices which may be created by edge intersections, we don''t + * know where that leftmost unprocessed vertex is. In the meantime, we + * connect vEvent to the closest vertex of either chain, and mark the region + * as "fixUpperEdge". This flag says to delete and reconnect this edge + * to the next processed vertex on the boundary of the combined region. + * Quite possibly the vertex we connected to will turn out to be the + * closest one, in which case we won''t need to make any changes. + */ +{ + GLUhalfEdge *eNew; + GLUhalfEdge *eTopLeft = eBottomLeft->Onext; + ActiveRegion *regLo = RegionBelow(regUp); + GLUhalfEdge *eUp = regUp->eUp; + GLUhalfEdge *eLo = regLo->eUp; + int degenerate = FALSE; + + if( eUp->Dst != eLo->Dst ) { + (void) CheckForIntersect( tess, regUp ); + } + + /* Possible new degeneracies: upper or lower edge of regUp may pass + * through vEvent, or may coincide with new intersection vertex + */ + if( VertEq( eUp->Org, tess->event )) { + if ( !__gl_meshSplice( eTopLeft->Oprev, eUp ) ) longjmp(tess->env,1); + regUp = TopLeftRegion( regUp ); + if (regUp == NULL) longjmp(tess->env,1); + eTopLeft = RegionBelow( regUp )->eUp; + FinishLeftRegions( tess, RegionBelow(regUp), regLo ); + degenerate = TRUE; + } + if( VertEq( eLo->Org, tess->event )) { + if ( !__gl_meshSplice( eBottomLeft, eLo->Oprev ) ) longjmp(tess->env,1); + eBottomLeft = FinishLeftRegions( tess, regLo, NULL ); + degenerate = TRUE; + } + if( degenerate ) { + AddRightEdges( tess, regUp, eBottomLeft->Onext, eTopLeft, eTopLeft, TRUE ); + return; + } + + /* Non-degenerate situation -- need to add a temporary, fixable edge. + * Connect to the closer of eLo->Org, eUp->Org. + */ + if( VertLeq( eLo->Org, eUp->Org )) { + eNew = eLo->Oprev; + } else { + eNew = eUp; + } + eNew = __gl_meshConnect( eBottomLeft->Lprev, eNew ); + if (eNew == NULL) longjmp(tess->env,1); + + /* Prevent cleanup, otherwise eNew might disappear before we've even + * had a chance to mark it as a temporary edge. + */ + AddRightEdges( tess, regUp, eNew, eNew->Onext, eNew->Onext, FALSE ); + eNew->Sym->activeRegion->fixUpperEdge = TRUE; + WalkDirtyRegions( tess, regUp ); +} + +/* Because vertices at exactly the same location are merged together + * before we process the sweep event, some degenerate cases can't occur. + * However if someone eventually makes the modifications required to + * merge features which are close together, the cases below marked + * TOLERANCE_NONZERO will be useful. They were debugged before the + * code to merge identical vertices in the main loop was added. + */ +#define TOLERANCE_NONZERO FALSE + +static void ConnectLeftDegenerate( GLUtesselator *tess, + ActiveRegion *regUp, GLUvertex *vEvent ) +/* + * The event vertex lies exacty on an already-processed edge or vertex. + * Adding the new vertex involves splicing it into the already-processed + * part of the mesh. + */ +{ + GLUhalfEdge *e, *eTopLeft, *eTopRight, *eLast; + ActiveRegion *reg; + + e = regUp->eUp; + if( VertEq( e->Org, vEvent )) { + /* e->Org is an unprocessed vertex - just combine them, and wait + * for e->Org to be pulled from the queue + */ + assert( TOLERANCE_NONZERO ); + SpliceMergeVertices( tess, e, vEvent->anEdge ); + return; + } + + if( ! VertEq( e->Dst, vEvent )) { + /* General case -- splice vEvent into edge e which passes through it */ + if (__gl_meshSplitEdge( e->Sym ) == NULL) longjmp(tess->env,1); + if( regUp->fixUpperEdge ) { + /* This edge was fixable -- delete unused portion of original edge */ + if ( !__gl_meshDelete( e->Onext ) ) longjmp(tess->env,1); + regUp->fixUpperEdge = FALSE; + } + if ( !__gl_meshSplice( vEvent->anEdge, e ) ) longjmp(tess->env,1); + SweepEvent( tess, vEvent ); /* recurse */ + return; + } + + /* vEvent coincides with e->Dst, which has already been processed. + * Splice in the additional right-going edges. + */ + assert( TOLERANCE_NONZERO ); + regUp = TopRightRegion( regUp ); + reg = RegionBelow( regUp ); + eTopRight = reg->eUp->Sym; + eTopLeft = eLast = eTopRight->Onext; + if( reg->fixUpperEdge ) { + /* Here e->Dst has only a single fixable edge going right. + * We can delete it since now we have some real right-going edges. + */ + assert( eTopLeft != eTopRight ); /* there are some left edges too */ + DeleteRegion( tess, reg ); + if ( !__gl_meshDelete( eTopRight ) ) longjmp(tess->env,1); + eTopRight = eTopLeft->Oprev; + } + if ( !__gl_meshSplice( vEvent->anEdge, eTopRight ) ) longjmp(tess->env,1); + if( ! EdgeGoesLeft( eTopLeft )) { + /* e->Dst had no left-going edges -- indicate this to AddRightEdges() */ + eTopLeft = NULL; + } + AddRightEdges( tess, regUp, eTopRight->Onext, eLast, eTopLeft, TRUE ); +} + + +static void ConnectLeftVertex( GLUtesselator *tess, GLUvertex *vEvent ) +/* + * Purpose: connect a "left" vertex (one where both edges go right) + * to the processed portion of the mesh. Let R be the active region + * containing vEvent, and let U and L be the upper and lower edge + * chains of R. There are two possibilities: + * + * - the normal case: split R into two regions, by connecting vEvent to + * the rightmost vertex of U or L lying to the left of the sweep line + * + * - the degenerate case: if vEvent is close enough to U or L, we + * merge vEvent into that edge chain. The subcases are: + * - merging with the rightmost vertex of U or L + * - merging with the active edge of U or L + * - merging with an already-processed portion of U or L + */ +{ + ActiveRegion *regUp, *regLo, *reg; + GLUhalfEdge *eUp, *eLo, *eNew; + ActiveRegion tmp; + + /* assert( vEvent->anEdge->Onext->Onext == vEvent->anEdge ); */ + + /* Get a pointer to the active region containing vEvent */ + tmp.eUp = vEvent->anEdge->Sym; + /* __GL_DICTLISTKEY */ /* __gl_dictListSearch */ + regUp = (ActiveRegion *)dictKey( dictSearch( tess->dict, &tmp )); + regLo = RegionBelow( regUp ); + eUp = regUp->eUp; + eLo = regLo->eUp; + + /* Try merging with U or L first */ + if( EdgeSign( eUp->Dst, vEvent, eUp->Org ) == 0 ) { + ConnectLeftDegenerate( tess, regUp, vEvent ); + return; + } + + /* Connect vEvent to rightmost processed vertex of either chain. + * e->Dst is the vertex that we will connect to vEvent. + */ + reg = VertLeq( eLo->Dst, eUp->Dst ) ? regUp : regLo; + + if( regUp->inside || reg->fixUpperEdge) { + if( reg == regUp ) { + eNew = __gl_meshConnect( vEvent->anEdge->Sym, eUp->Lnext ); + if (eNew == NULL) longjmp(tess->env,1); + } else { + GLUhalfEdge *tempHalfEdge= __gl_meshConnect( eLo->Dnext, vEvent->anEdge); + if (tempHalfEdge == NULL) longjmp(tess->env,1); + + eNew = tempHalfEdge->Sym; + } + if( reg->fixUpperEdge ) { + if ( !FixUpperEdge( reg, eNew ) ) longjmp(tess->env,1); + } else { + ComputeWinding( tess, AddRegionBelow( tess, regUp, eNew )); + } + SweepEvent( tess, vEvent ); + } else { + /* The new vertex is in a region which does not belong to the polygon. + * We don''t need to connect this vertex to the rest of the mesh. + */ + AddRightEdges( tess, regUp, vEvent->anEdge, vEvent->anEdge, NULL, TRUE ); + } +} + + +static void SweepEvent( GLUtesselator *tess, GLUvertex *vEvent ) +/* + * Does everything necessary when the sweep line crosses a vertex. + * Updates the mesh and the edge dictionary. + */ +{ + ActiveRegion *regUp, *reg; + GLUhalfEdge *e, *eTopLeft, *eBottomLeft; + + tess->event = vEvent; /* for access in EdgeLeq() */ + DebugEvent( tess ); + + /* Check if this vertex is the right endpoint of an edge that is + * already in the dictionary. In this case we don't need to waste + * time searching for the location to insert new edges. + */ + e = vEvent->anEdge; + while( e->activeRegion == NULL ) { + e = e->Onext; + if( e == vEvent->anEdge ) { + /* All edges go right -- not incident to any processed edges */ + ConnectLeftVertex( tess, vEvent ); + return; + } + } + + /* Processing consists of two phases: first we "finish" all the + * active regions where both the upper and lower edges terminate + * at vEvent (ie. vEvent is closing off these regions). + * We mark these faces "inside" or "outside" the polygon according + * to their winding number, and delete the edges from the dictionary. + * This takes care of all the left-going edges from vEvent. + */ + regUp = TopLeftRegion( e->activeRegion ); + if (regUp == NULL) longjmp(tess->env,1); + reg = RegionBelow( regUp ); + eTopLeft = reg->eUp; + eBottomLeft = FinishLeftRegions( tess, reg, NULL ); + + /* Next we process all the right-going edges from vEvent. This + * involves adding the edges to the dictionary, and creating the + * associated "active regions" which record information about the + * regions between adjacent dictionary edges. + */ + if( eBottomLeft->Onext == eTopLeft ) { + /* No right-going edges -- add a temporary "fixable" edge */ + ConnectRightVertex( tess, regUp, eBottomLeft ); + } else { + AddRightEdges( tess, regUp, eBottomLeft->Onext, eTopLeft, eTopLeft, TRUE ); + } +} + + +/* Make the sentinel coordinates big enough that they will never be + * merged with real input features. (Even with the largest possible + * input contour and the maximum tolerance of 1.0, no merging will be + * done with coordinates larger than 3 * GLU_TESS_MAX_COORD). + */ +#define SENTINEL_COORD (4 * GLU_TESS_MAX_COORD) + +static void AddSentinel( GLUtesselator *tess, GLdouble t ) +/* + * We add two sentinel edges above and below all other edges, + * to avoid special cases at the top and bottom. + */ +{ + GLUhalfEdge *e; + ActiveRegion *reg = (ActiveRegion *)memAlloc( sizeof( ActiveRegion )); + if (reg == NULL) longjmp(tess->env,1); + + e = __gl_meshMakeEdge( tess->mesh ); + if (e == NULL) longjmp(tess->env,1); + + e->Org->s = SENTINEL_COORD; + e->Org->t = t; + e->Dst->s = -SENTINEL_COORD; + e->Dst->t = t; + tess->event = e->Dst; /* initialize it */ + + reg->eUp = e; + reg->windingNumber = 0; + reg->inside = FALSE; + reg->fixUpperEdge = FALSE; + reg->sentinel = TRUE; + reg->dirty = FALSE; + reg->nodeUp = dictInsert( tess->dict, reg ); /* __gl_dictListInsertBefore */ + if (reg->nodeUp == NULL) longjmp(tess->env,1); +} + + +static void InitEdgeDict( GLUtesselator *tess ) +/* + * We maintain an ordering of edge intersections with the sweep line. + * This order is maintained in a dynamic dictionary. + */ +{ + /* __gl_dictListNewDict */ + tess->dict = dictNewDict( tess, (int (*)(void *, DictKey, DictKey)) EdgeLeq ); + if (tess->dict == NULL) longjmp(tess->env,1); + + AddSentinel( tess, -SENTINEL_COORD ); + AddSentinel( tess, SENTINEL_COORD ); +} + + +static void DoneEdgeDict( GLUtesselator *tess ) +{ + ActiveRegion *reg; +#ifndef NDEBUG + int fixedEdges = 0; +#endif + + /* __GL_DICTLISTKEY */ /* __GL_DICTLISTMIN */ + while( (reg = (ActiveRegion *)dictKey( dictMin( tess->dict ))) != NULL ) { + /* + * At the end of all processing, the dictionary should contain + * only the two sentinel edges, plus at most one "fixable" edge + * created by ConnectRightVertex(). + */ + if( ! reg->sentinel ) { + assert( reg->fixUpperEdge ); + assert( ++fixedEdges == 1 ); + } + assert( reg->windingNumber == 0 ); + DeleteRegion( tess, reg ); +/* __gl_meshDelete( reg->eUp );*/ + } + dictDeleteDict( tess->dict ); /* __gl_dictListDeleteDict */ +} + + +static void RemoveDegenerateEdges( GLUtesselator *tess ) +/* + * Remove zero-length edges, and contours with fewer than 3 vertices. + */ +{ + GLUhalfEdge *e, *eNext, *eLnext; + GLUhalfEdge *eHead = &tess->mesh->eHead; + + /*LINTED*/ + for( e = eHead->next; e != eHead; e = eNext ) { + eNext = e->next; + eLnext = e->Lnext; + + if( VertEq( e->Org, e->Dst ) && e->Lnext->Lnext != e ) { + /* Zero-length edge, contour has at least 3 edges */ + + SpliceMergeVertices( tess, eLnext, e ); /* deletes e->Org */ + if ( !__gl_meshDelete( e ) ) longjmp(tess->env,1); /* e is a self-loop */ + e = eLnext; + eLnext = e->Lnext; + } + if( eLnext->Lnext == e ) { + /* Degenerate contour (one or two edges) */ + + if( eLnext != e ) { + if( eLnext == eNext || eLnext == eNext->Sym ) { eNext = eNext->next; } + if ( !__gl_meshDelete( eLnext ) ) longjmp(tess->env,1); + } + if( e == eNext || e == eNext->Sym ) { eNext = eNext->next; } + if ( !__gl_meshDelete( e ) ) longjmp(tess->env,1); + } + } +} + +static int InitPriorityQ( GLUtesselator *tess ) +/* + * Insert all vertices into the priority queue which determines the + * order in which vertices cross the sweep line. + */ +{ + PriorityQ *pq; + GLUvertex *v, *vHead; + + /* __gl_pqSortNewPriorityQ */ + pq = tess->pq = pqNewPriorityQ( (int (*)(PQkey, PQkey)) __gl_vertLeq ); + if (pq == NULL) return 0; + + vHead = &tess->mesh->vHead; + for( v = vHead->next; v != vHead; v = v->next ) { + v->pqHandle = pqInsert( pq, v ); /* __gl_pqSortInsert */ + if (v->pqHandle == LONG_MAX) break; + } + if (v != vHead || !pqInit( pq ) ) { /* __gl_pqSortInit */ + pqDeletePriorityQ(tess->pq); /* __gl_pqSortDeletePriorityQ */ + tess->pq = NULL; + return 0; + } + + return 1; +} + + +static void DonePriorityQ( GLUtesselator *tess ) +{ + pqDeletePriorityQ( tess->pq ); /* __gl_pqSortDeletePriorityQ */ +} + + +static int RemoveDegenerateFaces( GLUmesh *mesh ) +/* + * Delete any degenerate faces with only two edges. WalkDirtyRegions() + * will catch almost all of these, but it won't catch degenerate faces + * produced by splice operations on already-processed edges. + * The two places this can happen are in FinishLeftRegions(), when + * we splice in a "temporary" edge produced by ConnectRightVertex(), + * and in CheckForLeftSplice(), where we splice already-processed + * edges to ensure that our dictionary invariants are not violated + * by numerical errors. + * + * In both these cases it is *very* dangerous to delete the offending + * edge at the time, since one of the routines further up the stack + * will sometimes be keeping a pointer to that edge. + */ +{ + GLUface *f, *fNext; + GLUhalfEdge *e; + + /*LINTED*/ + for( f = mesh->fHead.next; f != &mesh->fHead; f = fNext ) { + fNext = f->next; + e = f->anEdge; + assert( e->Lnext != e ); + + if( e->Lnext->Lnext == e ) { + /* A face with only two edges */ + AddWinding( e->Onext, e ); + if ( !__gl_meshDelete( e ) ) return 0; + } + } + return 1; +} + +int __gl_computeInterior( GLUtesselator *tess ) +/* + * __gl_computeInterior( tess ) computes the planar arrangement specified + * by the given contours, and further subdivides this arrangement + * into regions. Each region is marked "inside" if it belongs + * to the polygon, according to the rule given by tess->windingRule. + * Each interior region is guaranteed be monotone. + */ +{ + GLUvertex *v, *vNext; + + tess->fatalError = FALSE; + + /* Each vertex defines an event for our sweep line. Start by inserting + * all the vertices in a priority queue. Events are processed in + * lexicographic order, ie. + * + * e1 < e2 iff e1.x < e2.x || (e1.x == e2.x && e1.y < e2.y) + */ + RemoveDegenerateEdges( tess ); + if ( !InitPriorityQ( tess ) ) return 0; /* if error */ + InitEdgeDict( tess ); + + /* __gl_pqSortExtractMin */ + while( (v = (GLUvertex *)pqExtractMin( tess->pq )) != NULL ) { + for( ;; ) { + vNext = (GLUvertex *)pqMinimum( tess->pq ); /* __gl_pqSortMinimum */ + if( vNext == NULL || ! VertEq( vNext, v )) break; + + /* Merge together all vertices at exactly the same location. + * This is more efficient than processing them one at a time, + * simplifies the code (see ConnectLeftDegenerate), and is also + * important for correct handling of certain degenerate cases. + * For example, suppose there are two identical edges A and B + * that belong to different contours (so without this code they would + * be processed by separate sweep events). Suppose another edge C + * crosses A and B from above. When A is processed, we split it + * at its intersection point with C. However this also splits C, + * so when we insert B we may compute a slightly different + * intersection point. This might leave two edges with a small + * gap between them. This kind of error is especially obvious + * when using boundary extraction (GLU_TESS_BOUNDARY_ONLY). + */ + vNext = (GLUvertex *)pqExtractMin( tess->pq ); /* __gl_pqSortExtractMin*/ + SpliceMergeVertices( tess, v->anEdge, vNext->anEdge ); + } + SweepEvent( tess, v ); + } + + /* Set tess->event for debugging purposes */ + /* __GL_DICTLISTKEY */ /* __GL_DICTLISTMIN */ + tess->event = ((ActiveRegion *) dictKey( dictMin( tess->dict )))->eUp->Org; + DebugEvent( tess ); + DoneEdgeDict( tess ); + DonePriorityQ( tess ); + + if ( !RemoveDegenerateFaces( tess->mesh ) ) return 0; + __gl_meshCheckMesh( tess->mesh ); + + return 1; +} diff --git a/cogl-path/tesselator/sweep.h b/cogl-path/tesselator/sweep.h new file mode 100644 index 0000000..feb68b0 --- /dev/null +++ b/cogl-path/tesselator/sweep.h @@ -0,0 +1,77 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __sweep_h_ +#define __sweep_h_ + +#include "mesh.h" + +/* __gl_computeInterior( tess ) computes the planar arrangement specified + * by the given contours, and further subdivides this arrangement + * into regions. Each region is marked "inside" if it belongs + * to the polygon, according to the rule given by tess->windingRule. + * Each interior region is guaranteed be monotone. + */ +int __gl_computeInterior( GLUtesselator *tess ); + + +/* The following is here *only* for access by debugging routines */ + +#include "dict.h" + +/* For each pair of adjacent edges crossing the sweep line, there is + * an ActiveRegion to represent the region between them. The active + * regions are kept in sorted order in a dynamic dictionary. As the + * sweep line crosses each vertex, we update the affected regions. + */ + +struct ActiveRegion { + GLUhalfEdge *eUp; /* upper edge, directed right to left */ + DictNode *nodeUp; /* dictionary node corresponding to eUp */ + int windingNumber; /* used to determine which regions are + * inside the polygon */ + GLboolean inside; /* is this region inside the polygon? */ + GLboolean sentinel; /* marks fake edges at t = +/-infinity */ + GLboolean dirty; /* marks regions where the upper or lower + * edge has changed, but we haven't checked + * whether they intersect yet */ + GLboolean fixUpperEdge; /* marks temporary edges introduced when + * we process a "right vertex" (one without + * any edges leaving to the right) */ +}; + +#define RegionBelow(r) ((ActiveRegion *) dictKey(dictPred((r)->nodeUp))) +#define RegionAbove(r) ((ActiveRegion *) dictKey(dictSucc((r)->nodeUp))) + +#endif diff --git a/cogl-path/tesselator/tess.c b/cogl-path/tesselator/tess.c new file mode 100644 index 0000000..4a0e8de --- /dev/null +++ b/cogl-path/tesselator/tess.c @@ -0,0 +1,632 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include "gluos.h" +#include +#include +#include +#include "memalloc.h" +#include "tess.h" +#include "mesh.h" +#include "normal.h" +#include "sweep.h" +#include "tessmono.h" +#include "render.h" + +#define GLU_TESS_DEFAULT_TOLERANCE 0.0 +#define GLU_TESS_MESH 100112 /* void (*)(GLUmesh *mesh) */ + +#ifndef TRUE +#define TRUE 1 +#endif +#ifndef FALSE +#define FALSE 0 +#endif + +/*ARGSUSED*/ static void GLAPIENTRY noBegin( GLenum type ) {} +/*ARGSUSED*/ static void GLAPIENTRY noEdgeFlag( GLboolean boundaryEdge ) {} +/*ARGSUSED*/ static void GLAPIENTRY noVertex( void *data ) {} +/*ARGSUSED*/ static void GLAPIENTRY noEnd( void ) {} +/*ARGSUSED*/ static void GLAPIENTRY noError( GLenum errnum ) {} +/*ARGSUSED*/ static void GLAPIENTRY noCombine( GLdouble coords[3], void *data[4], + GLfloat weight[4], void **dataOut ) {} +/*ARGSUSED*/ static void GLAPIENTRY noMesh( GLUmesh *mesh ) {} + + +/*ARGSUSED*/ void GLAPIENTRY __gl_noBeginData( GLenum type, + void *polygonData ) {} +/*ARGSUSED*/ void GLAPIENTRY __gl_noEdgeFlagData( GLboolean boundaryEdge, + void *polygonData ) {} +/*ARGSUSED*/ void GLAPIENTRY __gl_noVertexData( void *data, + void *polygonData ) {} +/*ARGSUSED*/ void GLAPIENTRY __gl_noEndData( void *polygonData ) {} +/*ARGSUSED*/ void GLAPIENTRY __gl_noErrorData( GLenum errnum, + void *polygonData ) {} +/*ARGSUSED*/ void GLAPIENTRY __gl_noCombineData( GLdouble coords[3], + void *data[4], + GLfloat weight[4], + void **outData, + void *polygonData ) {} + +/* Half-edges are allocated in pairs (see mesh.c) */ +typedef struct { GLUhalfEdge e, eSym; } EdgePair; + +#undef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#define MAX_FAST_ALLOC (MAX(sizeof(EdgePair), \ + MAX(sizeof(GLUvertex),sizeof(GLUface)))) + + +GLUtesselator * GLAPIENTRY +gluNewTess( void ) +{ + GLUtesselator *tess; + + /* Only initialize fields which can be changed by the api. Other fields + * are initialized where they are used. + */ + + if (memInit( MAX_FAST_ALLOC ) == 0) { + return 0; /* out of memory */ + } + tess = (GLUtesselator *)memAlloc( sizeof( GLUtesselator )); + if (tess == NULL) { + return 0; /* out of memory */ + } + + tess->state = T_DORMANT; + + tess->normal[0] = 0; + tess->normal[1] = 0; + tess->normal[2] = 0; + + tess->relTolerance = GLU_TESS_DEFAULT_TOLERANCE; + tess->windingRule = GLU_TESS_WINDING_ODD; + tess->flagBoundary = FALSE; + tess->boundaryOnly = FALSE; + + tess->callBegin = &noBegin; + tess->callEdgeFlag = &noEdgeFlag; + tess->callVertex = &noVertex; + tess->callEnd = &noEnd; + + tess->callError = &noError; + tess->callCombine = &noCombine; + tess->callMesh = &noMesh; + + tess->callBeginData= &__gl_noBeginData; + tess->callEdgeFlagData= &__gl_noEdgeFlagData; + tess->callVertexData= &__gl_noVertexData; + tess->callEndData= &__gl_noEndData; + tess->callErrorData= &__gl_noErrorData; + tess->callCombineData= &__gl_noCombineData; + + tess->polygonData= NULL; + + return tess; +} + +static void MakeDormant( GLUtesselator *tess ) +{ + /* Return the tessellator to its original dormant state. */ + + if( tess->mesh != NULL ) { + __gl_meshDeleteMesh( tess->mesh ); + } + tess->state = T_DORMANT; + tess->lastEdge = NULL; + tess->mesh = NULL; +} + +#define RequireState( tess, s ) if( tess->state != s ) GotoState(tess,s) + +static void GotoState( GLUtesselator *tess, enum TessState newState ) +{ + while( tess->state != newState ) { + /* We change the current state one level at a time, to get to + * the desired state. + */ + if( tess->state < newState ) { + switch( tess->state ) { + case T_DORMANT: + CALL_ERROR_OR_ERROR_DATA( GLU_TESS_MISSING_BEGIN_POLYGON ); + gluTessBeginPolygon( tess, NULL ); + break; + case T_IN_POLYGON: + CALL_ERROR_OR_ERROR_DATA( GLU_TESS_MISSING_BEGIN_CONTOUR ); + gluTessBeginContour( tess ); + break; + default: + ; + } + } else { + switch( tess->state ) { + case T_IN_CONTOUR: + CALL_ERROR_OR_ERROR_DATA( GLU_TESS_MISSING_END_CONTOUR ); + gluTessEndContour( tess ); + break; + case T_IN_POLYGON: + CALL_ERROR_OR_ERROR_DATA( GLU_TESS_MISSING_END_POLYGON ); + /* gluTessEndPolygon( tess ) is too much work! */ + MakeDormant( tess ); + break; + default: + ; + } + } + } +} + + +void GLAPIENTRY +gluDeleteTess( GLUtesselator *tess ) +{ + RequireState( tess, T_DORMANT ); + memFree( tess ); +} + + +void GLAPIENTRY +gluTessProperty( GLUtesselator *tess, GLenum which, GLdouble value ) +{ + GLenum windingRule; + + switch( which ) { + case GLU_TESS_TOLERANCE: + if( value < 0.0 || value > 1.0 ) break; + tess->relTolerance = value; + return; + + case GLU_TESS_WINDING_RULE: + windingRule = (GLenum) value; + if( windingRule != value ) break; /* not an integer */ + + switch( windingRule ) { + case GLU_TESS_WINDING_ODD: + case GLU_TESS_WINDING_NONZERO: + case GLU_TESS_WINDING_POSITIVE: + case GLU_TESS_WINDING_NEGATIVE: + case GLU_TESS_WINDING_ABS_GEQ_TWO: + tess->windingRule = windingRule; + return; + default: + break; + } + + case GLU_TESS_BOUNDARY_ONLY: + tess->boundaryOnly = (value != 0); + return; + + default: + CALL_ERROR_OR_ERROR_DATA( GLU_INVALID_ENUM ); + return; + } + CALL_ERROR_OR_ERROR_DATA( GLU_INVALID_VALUE ); +} + +/* Returns tessellator property */ +void GLAPIENTRY +gluGetTessProperty( GLUtesselator *tess, GLenum which, GLdouble *value ) +{ + switch (which) { + case GLU_TESS_TOLERANCE: + /* tolerance should be in range [0..1] */ + assert(0.0 <= tess->relTolerance && tess->relTolerance <= 1.0); + *value= tess->relTolerance; + break; + case GLU_TESS_WINDING_RULE: + assert(tess->windingRule == GLU_TESS_WINDING_ODD || + tess->windingRule == GLU_TESS_WINDING_NONZERO || + tess->windingRule == GLU_TESS_WINDING_POSITIVE || + tess->windingRule == GLU_TESS_WINDING_NEGATIVE || + tess->windingRule == GLU_TESS_WINDING_ABS_GEQ_TWO); + *value= tess->windingRule; + break; + case GLU_TESS_BOUNDARY_ONLY: + assert(tess->boundaryOnly == TRUE || tess->boundaryOnly == FALSE); + *value= tess->boundaryOnly; + break; + default: + *value= 0.0; + CALL_ERROR_OR_ERROR_DATA( GLU_INVALID_ENUM ); + break; + } +} /* gluGetTessProperty() */ + +void GLAPIENTRY +gluTessNormal( GLUtesselator *tess, GLdouble x, GLdouble y, GLdouble z ) +{ + tess->normal[0] = x; + tess->normal[1] = y; + tess->normal[2] = z; +} + +void GLAPIENTRY +gluTessCallback( GLUtesselator *tess, GLenum which, _GLUfuncptr fn) +{ + switch( which ) { + case GLU_TESS_BEGIN: + tess->callBegin = (fn == NULL) ? &noBegin : (void (GLAPIENTRY *)(GLenum)) fn; + return; + case GLU_TESS_BEGIN_DATA: + tess->callBeginData = (fn == NULL) ? + &__gl_noBeginData : (void (GLAPIENTRY *)(GLenum, void *)) fn; + return; + case GLU_TESS_EDGE_FLAG: + tess->callEdgeFlag = (fn == NULL) ? &noEdgeFlag : + (void (GLAPIENTRY *)(GLboolean)) fn; + /* If the client wants boundary edges to be flagged, + * we render everything as separate triangles (no strips or fans). + */ + tess->flagBoundary = (fn != NULL); + return; + case GLU_TESS_EDGE_FLAG_DATA: + tess->callEdgeFlagData= (fn == NULL) ? + &__gl_noEdgeFlagData : (void (GLAPIENTRY *)(GLboolean, void *)) fn; + /* If the client wants boundary edges to be flagged, + * we render everything as separate triangles (no strips or fans). + */ + tess->flagBoundary = (fn != NULL); + return; + case GLU_TESS_VERTEX: + tess->callVertex = (fn == NULL) ? &noVertex : + (void (GLAPIENTRY *)(void *)) fn; + return; + case GLU_TESS_VERTEX_DATA: + tess->callVertexData = (fn == NULL) ? + &__gl_noVertexData : (void (GLAPIENTRY *)(void *, void *)) fn; + return; + case GLU_TESS_END: + tess->callEnd = (fn == NULL) ? &noEnd : (void (GLAPIENTRY *)(void)) fn; + return; + case GLU_TESS_END_DATA: + tess->callEndData = (fn == NULL) ? &__gl_noEndData : + (void (GLAPIENTRY *)(void *)) fn; + return; + case GLU_TESS_ERROR: + tess->callError = (fn == NULL) ? &noError : (void (GLAPIENTRY *)(GLenum)) fn; + return; + case GLU_TESS_ERROR_DATA: + tess->callErrorData = (fn == NULL) ? + &__gl_noErrorData : (void (GLAPIENTRY *)(GLenum, void *)) fn; + return; + case GLU_TESS_COMBINE: + tess->callCombine = (fn == NULL) ? &noCombine : + (void (GLAPIENTRY *)(GLdouble [3],void *[4], GLfloat [4], void ** )) fn; + return; + case GLU_TESS_COMBINE_DATA: + tess->callCombineData = (fn == NULL) ? &__gl_noCombineData : + (void (GLAPIENTRY *)(GLdouble [3], + void *[4], + GLfloat [4], + void **, + void *)) fn; + return; + case GLU_TESS_MESH: + tess->callMesh = (fn == NULL) ? &noMesh : (void (GLAPIENTRY *)(GLUmesh *)) fn; + return; + default: + CALL_ERROR_OR_ERROR_DATA( GLU_INVALID_ENUM ); + return; + } +} + +static int AddVertex( GLUtesselator *tess, GLdouble coords[3], void *data ) +{ + GLUhalfEdge *e; + + e = tess->lastEdge; + if( e == NULL ) { + /* Make a self-loop (one vertex, one edge). */ + + e = __gl_meshMakeEdge( tess->mesh ); + if (e == NULL) return 0; + if ( !__gl_meshSplice( e, e->Sym ) ) return 0; + } else { + /* Create a new vertex and edge which immediately follow e + * in the ordering around the left face. + */ + if (__gl_meshSplitEdge( e ) == NULL) return 0; + e = e->Lnext; + } + + /* The new vertex is now e->Org. */ + e->Org->data = data; + e->Org->coords[0] = coords[0]; + e->Org->coords[1] = coords[1]; + e->Org->coords[2] = coords[2]; + + /* The winding of an edge says how the winding number changes as we + * cross from the edge''s right face to its left face. We add the + * vertices in such an order that a CCW contour will add +1 to + * the winding number of the region inside the contour. + */ + e->winding = 1; + e->Sym->winding = -1; + + tess->lastEdge = e; + + return 1; +} + + +static void CacheVertex( GLUtesselator *tess, GLdouble coords[3], void *data ) +{ + CachedVertex *v = &tess->cache[tess->cacheCount]; + + v->data = data; + v->coords[0] = coords[0]; + v->coords[1] = coords[1]; + v->coords[2] = coords[2]; + ++tess->cacheCount; +} + + +static int EmptyCache( GLUtesselator *tess ) +{ + CachedVertex *v = tess->cache; + CachedVertex *vLast; + + tess->mesh = __gl_meshNewMesh(); + if (tess->mesh == NULL) return 0; + + for( vLast = v + tess->cacheCount; v < vLast; ++v ) { + if ( !AddVertex( tess, v->coords, v->data ) ) return 0; + } + tess->cacheCount = 0; + tess->emptyCache = FALSE; + + return 1; +} + + +void GLAPIENTRY +gluTessVertex( GLUtesselator *tess, GLdouble coords[3], void *data ) +{ + int i, tooLarge = FALSE; + GLdouble x, clamped[3]; + + RequireState( tess, T_IN_CONTOUR ); + + if( tess->emptyCache ) { + if ( !EmptyCache( tess ) ) { + CALL_ERROR_OR_ERROR_DATA( GLU_OUT_OF_MEMORY ); + return; + } + tess->lastEdge = NULL; + } + for( i = 0; i < 3; ++i ) { + x = coords[i]; + if( x < - GLU_TESS_MAX_COORD ) { + x = - GLU_TESS_MAX_COORD; + tooLarge = TRUE; + } + if( x > GLU_TESS_MAX_COORD ) { + x = GLU_TESS_MAX_COORD; + tooLarge = TRUE; + } + clamped[i] = x; + } + if( tooLarge ) { + CALL_ERROR_OR_ERROR_DATA( GLU_TESS_COORD_TOO_LARGE ); + } + + if( tess->mesh == NULL ) { + if( tess->cacheCount < TESS_MAX_CACHE ) { + CacheVertex( tess, clamped, data ); + return; + } + if ( !EmptyCache( tess ) ) { + CALL_ERROR_OR_ERROR_DATA( GLU_OUT_OF_MEMORY ); + return; + } + } + if ( !AddVertex( tess, clamped, data ) ) { + CALL_ERROR_OR_ERROR_DATA( GLU_OUT_OF_MEMORY ); + } +} + + +void GLAPIENTRY +gluTessBeginPolygon( GLUtesselator *tess, void *data ) +{ + RequireState( tess, T_DORMANT ); + + tess->state = T_IN_POLYGON; + tess->cacheCount = 0; + tess->emptyCache = FALSE; + tess->mesh = NULL; + + tess->polygonData= data; +} + + +void GLAPIENTRY +gluTessBeginContour( GLUtesselator *tess ) +{ + RequireState( tess, T_IN_POLYGON ); + + tess->state = T_IN_CONTOUR; + tess->lastEdge = NULL; + if( tess->cacheCount > 0 ) { + /* Just set a flag so we don't get confused by empty contours + * -- these can be generated accidentally with the obsolete + * NextContour() interface. + */ + tess->emptyCache = TRUE; + } +} + + +void GLAPIENTRY +gluTessEndContour( GLUtesselator *tess ) +{ + RequireState( tess, T_IN_CONTOUR ); + tess->state = T_IN_POLYGON; +} + +void GLAPIENTRY +gluTessEndPolygon( GLUtesselator *tess ) +{ + GLUmesh *mesh; + + if (setjmp(tess->env) != 0) { + /* come back here if out of memory */ + CALL_ERROR_OR_ERROR_DATA( GLU_OUT_OF_MEMORY ); + return; + } + + RequireState( tess, T_IN_POLYGON ); + tess->state = T_DORMANT; + + if( tess->mesh == NULL ) { + if( ! tess->flagBoundary && tess->callMesh == &noMesh ) { + + /* Try some special code to make the easy cases go quickly + * (eg. convex polygons). This code does NOT handle multiple contours, + * intersections, edge flags, and of course it does not generate + * an explicit mesh either. + */ + if( __gl_renderCache( tess )) { + tess->polygonData= NULL; + return; + } + } + if ( !EmptyCache( tess ) ) longjmp(tess->env,1); /* could've used a label*/ + } + + /* Determine the polygon normal and project vertices onto the plane + * of the polygon. + */ + __gl_projectPolygon( tess ); + + /* __gl_computeInterior( tess ) computes the planar arrangement specified + * by the given contours, and further subdivides this arrangement + * into regions. Each region is marked "inside" if it belongs + * to the polygon, according to the rule given by tess->windingRule. + * Each interior region is guaranteed be monotone. + */ + if ( !__gl_computeInterior( tess ) ) { + longjmp(tess->env,1); /* could've used a label */ + } + + mesh = tess->mesh; + if( ! tess->fatalError ) { + int rc = 1; + + /* If the user wants only the boundary contours, we throw away all edges + * except those which separate the interior from the exterior. + * Otherwise we tessellate all the regions marked "inside". + */ + if( tess->boundaryOnly ) { + rc = __gl_meshSetWindingNumber( mesh, 1, TRUE ); + } else { + rc = __gl_meshTessellateInterior( mesh ); + } + if (rc == 0) longjmp(tess->env,1); /* could've used a label */ + + __gl_meshCheckMesh( mesh ); + + if( tess->callBegin != &noBegin || tess->callEnd != &noEnd + || tess->callVertex != &noVertex || tess->callEdgeFlag != &noEdgeFlag + || tess->callBeginData != &__gl_noBeginData + || tess->callEndData != &__gl_noEndData + || tess->callVertexData != &__gl_noVertexData + || tess->callEdgeFlagData != &__gl_noEdgeFlagData ) + { + if( tess->boundaryOnly ) { + __gl_renderBoundary( tess, mesh ); /* output boundary contours */ + } else { + __gl_renderMesh( tess, mesh ); /* output strips and fans */ + } + } + if( tess->callMesh != &noMesh ) { + + /* Throw away the exterior faces, so that all faces are interior. + * This way the user doesn't have to check the "inside" flag, + * and we don't need to even reveal its existence. It also leaves + * the freedom for an implementation to not generate the exterior + * faces in the first place. + */ + __gl_meshDiscardExterior( mesh ); + (*tess->callMesh)( mesh ); /* user wants the mesh itself */ + tess->mesh = NULL; + tess->polygonData= NULL; + return; + } + } + __gl_meshDeleteMesh( mesh ); + tess->polygonData= NULL; + tess->mesh = NULL; +} + + +/*XXXblythe unused function*/ +#if 0 +void GLAPIENTRY +gluDeleteMesh( GLUmesh *mesh ) +{ + __gl_meshDeleteMesh( mesh ); +} +#endif + + + +/*******************************************************/ + +/* Obsolete calls -- for backward compatibility */ + +void GLAPIENTRY +gluBeginPolygon( GLUtesselator *tess ) +{ + gluTessBeginPolygon( tess, NULL ); + gluTessBeginContour( tess ); +} + + +/*ARGSUSED*/ +void GLAPIENTRY +gluNextContour( GLUtesselator *tess, GLenum type ) +{ + gluTessEndContour( tess ); + gluTessBeginContour( tess ); +} + + +void GLAPIENTRY +gluEndPolygon( GLUtesselator *tess ) +{ + gluTessEndContour( tess ); + gluTessEndPolygon( tess ); +} diff --git a/cogl-path/tesselator/tess.h b/cogl-path/tesselator/tess.h new file mode 100644 index 0000000..1624960 --- /dev/null +++ b/cogl-path/tesselator/tess.h @@ -0,0 +1,165 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __tess_h_ +#define __tess_h_ + +#include +#include +#include "mesh.h" +#include "dict.h" +#include "priorityq.h" + +/* The begin/end calls must be properly nested. We keep track of + * the current state to enforce the ordering. + */ +enum TessState { T_DORMANT, T_IN_POLYGON, T_IN_CONTOUR }; + +/* We cache vertex data for single-contour polygons so that we can + * try a quick-and-dirty decomposition first. + */ +#define TESS_MAX_CACHE 100 + +typedef struct CachedVertex { + GLdouble coords[3]; + void *data; +} CachedVertex; + +struct GLUtesselator { + + /*** state needed for collecting the input data ***/ + + enum TessState state; /* what begin/end calls have we seen? */ + + GLUhalfEdge *lastEdge; /* lastEdge->Org is the most recent vertex */ + GLUmesh *mesh; /* stores the input contours, and eventually + the tessellation itself */ + + void (GLAPIENTRY *callError)( GLenum errnum ); + + /*** state needed for projecting onto the sweep plane ***/ + + GLdouble normal[3]; /* user-specified normal (if provided) */ + GLdouble sUnit[3]; /* unit vector in s-direction (debugging) */ + GLdouble tUnit[3]; /* unit vector in t-direction (debugging) */ + + /*** state needed for the line sweep ***/ + + GLdouble relTolerance; /* tolerance for merging features */ + GLenum windingRule; /* rule for determining polygon interior */ + GLboolean fatalError; /* fatal error: needed combine callback */ + + Dict *dict; /* edge dictionary for sweep line */ + PriorityQ *pq; /* priority queue of vertex events */ + GLUvertex *event; /* current sweep event being processed */ + + void (GLAPIENTRY *callCombine)( GLdouble coords[3], void *data[4], + GLfloat weight[4], void **outData ); + + /*** state needed for rendering callbacks (see render.c) ***/ + + GLboolean flagBoundary; /* mark boundary edges (use EdgeFlag) */ + GLboolean boundaryOnly; /* Extract contours, not triangles */ + GLUface *lonelyTriList; + /* list of triangles which could not be rendered as strips or fans */ + + void (GLAPIENTRY *callBegin)( GLenum type ); + void (GLAPIENTRY *callEdgeFlag)( GLboolean boundaryEdge ); + void (GLAPIENTRY *callVertex)( void *data ); + void (GLAPIENTRY *callEnd)( void ); + void (GLAPIENTRY *callMesh)( GLUmesh *mesh ); + + + /*** state needed to cache single-contour polygons for renderCache() */ + + GLboolean emptyCache; /* empty cache on next vertex() call */ + int cacheCount; /* number of cached vertices */ + CachedVertex cache[TESS_MAX_CACHE]; /* the vertex data */ + + /*** rendering callbacks that also pass polygon data ***/ + void (GLAPIENTRY *callBeginData)( GLenum type, void *polygonData ); + void (GLAPIENTRY *callEdgeFlagData)( GLboolean boundaryEdge, + void *polygonData ); + void (GLAPIENTRY *callVertexData)( void *data, void *polygonData ); + void (GLAPIENTRY *callEndData)( void *polygonData ); + void (GLAPIENTRY *callErrorData)( GLenum errnum, void *polygonData ); + void (GLAPIENTRY *callCombineData)( GLdouble coords[3], void *data[4], + GLfloat weight[4], void **outData, + void *polygonData ); + + jmp_buf env; /* place to jump to when memAllocs fail */ + + void *polygonData; /* client data for current polygon */ +}; + +void GLAPIENTRY __gl_noBeginData( GLenum type, void *polygonData ); +void GLAPIENTRY __gl_noEdgeFlagData( GLboolean boundaryEdge, void *polygonData ); +void GLAPIENTRY __gl_noVertexData( void *data, void *polygonData ); +void GLAPIENTRY __gl_noEndData( void *polygonData ); +void GLAPIENTRY __gl_noErrorData( GLenum errnum, void *polygonData ); +void GLAPIENTRY __gl_noCombineData( GLdouble coords[3], void *data[4], + GLfloat weight[4], void **outData, + void *polygonData ); + +#define CALL_BEGIN_OR_BEGIN_DATA(a) \ + if (tess->callBeginData != &__gl_noBeginData) \ + (*tess->callBeginData)((a),tess->polygonData); \ + else (*tess->callBegin)((a)); + +#define CALL_VERTEX_OR_VERTEX_DATA(a) \ + if (tess->callVertexData != &__gl_noVertexData) \ + (*tess->callVertexData)((a),tess->polygonData); \ + else (*tess->callVertex)((a)); + +#define CALL_EDGE_FLAG_OR_EDGE_FLAG_DATA(a) \ + if (tess->callEdgeFlagData != &__gl_noEdgeFlagData) \ + (*tess->callEdgeFlagData)((a),tess->polygonData); \ + else (*tess->callEdgeFlag)((a)); + +#define CALL_END_OR_END_DATA() \ + if (tess->callEndData != &__gl_noEndData) \ + (*tess->callEndData)(tess->polygonData); \ + else (*tess->callEnd)(); + +#define CALL_COMBINE_OR_COMBINE_DATA(a,b,c,d) \ + if (tess->callCombineData != &__gl_noCombineData) \ + (*tess->callCombineData)((a),(b),(c),(d),tess->polygonData); \ + else (*tess->callCombine)((a),(b),(c),(d)); + +#define CALL_ERROR_OR_ERROR_DATA(a) \ + if (tess->callErrorData != &__gl_noErrorData) \ + (*tess->callErrorData)((a),tess->polygonData); \ + else (*tess->callError)((a)); + +#endif diff --git a/cogl-path/tesselator/tesselator.h b/cogl-path/tesselator/tesselator.h new file mode 100644 index 0000000..5b651be --- /dev/null +++ b/cogl-path/tesselator/tesselator.h @@ -0,0 +1,122 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (C) 2010 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ + +#ifndef __TESSELATOR_H__ +#define __TESSELATOR_H__ + +/* This just includes the defines needed by the tesselator code */ + +#include "cogl/cogl-defines.h" +#include "cogl/cogl-gl-header.h" + +typedef struct GLUtesselator GLUtesselator; + +#define GLU_TESS_MAX_COORD 1.0e150 + +void gluBeginPolygon (GLUtesselator* tess); +void gluDeleteTess (GLUtesselator* tess); +void gluEndPolygon (GLUtesselator* tess); + +typedef void (_GLUfuncptr)(); + +void gluGetTessProperty (GLUtesselator* tess, GLenum which, double* data); + +GLUtesselator *gluNewTess (void); +void gluNextContour (GLUtesselator* tess, GLenum type); + +void gluTessBeginContour (GLUtesselator* tess); +void gluTessBeginPolygon (GLUtesselator* tess, GLvoid* data); +void gluTessCallback (GLUtesselator* tess, GLenum which, _GLUfuncptr CallBackFunc); +void gluTessEndContour (GLUtesselator* tess); +void gluTessEndPolygon (GLUtesselator* tess); +void gluTessNormal (GLUtesselator* tess, double valueX, double valueY, double valueZ); +void gluTessProperty (GLUtesselator* tess, GLenum which, double data); +void gluTessVertex (GLUtesselator* tess, double *location, GLvoid* data); + +/* ErrorCode */ +#define GLU_INVALID_ENUM 100900 +#define GLU_INVALID_VALUE 100901 +#define GLU_OUT_OF_MEMORY 100902 + +/* TessCallback */ +#define GLU_TESS_BEGIN 100100 +#define GLU_BEGIN 100100 +#define GLU_TESS_VERTEX 100101 +#define GLU_VERTEX 100101 +#define GLU_TESS_END 100102 +#define GLU_END 100102 +#define GLU_TESS_ERROR 100103 +#define GLU_TESS_EDGE_FLAG 100104 +#define GLU_EDGE_FLAG 100104 +#define GLU_TESS_COMBINE 100105 +#define GLU_TESS_BEGIN_DATA 100106 +#define GLU_TESS_VERTEX_DATA 100107 +#define GLU_TESS_END_DATA 100108 +#define GLU_TESS_ERROR_DATA 100109 +#define GLU_TESS_EDGE_FLAG_DATA 100110 +#define GLU_TESS_COMBINE_DATA 100111 + +/* TessContour */ +#define GLU_CW 100120 +#define GLU_CCW 100121 +#define GLU_INTERIOR 100122 +#define GLU_EXTERIOR 100123 +#define GLU_UNKNOWN 100124 + +/* TessProperty */ +#define GLU_TESS_WINDING_RULE 100140 +#define GLU_TESS_BOUNDARY_ONLY 100141 +#define GLU_TESS_TOLERANCE 100142 + +/* TessError */ +#define GLU_TESS_ERROR1 100151 +#define GLU_TESS_ERROR2 100152 +#define GLU_TESS_ERROR3 100153 +#define GLU_TESS_ERROR4 100154 +#define GLU_TESS_ERROR5 100155 +#define GLU_TESS_ERROR6 100156 +#define GLU_TESS_ERROR7 100157 +#define GLU_TESS_ERROR8 100158 +#define GLU_TESS_MISSING_BEGIN_POLYGON 100151 +#define GLU_TESS_MISSING_BEGIN_CONTOUR 100152 +#define GLU_TESS_MISSING_END_POLYGON 100153 +#define GLU_TESS_MISSING_END_CONTOUR 100154 +#define GLU_TESS_COORD_TOO_LARGE 100155 +#define GLU_TESS_NEED_COMBINE_CALLBACK 100156 + +/* TessWinding */ +#define GLU_TESS_WINDING_ODD 100130 +#define GLU_TESS_WINDING_NONZERO 100131 +#define GLU_TESS_WINDING_POSITIVE 100132 +#define GLU_TESS_WINDING_NEGATIVE 100133 +#define GLU_TESS_WINDING_ABS_GEQ_TWO 100134 + +#endif /* __TESSELATOR_H__ */ diff --git a/cogl-path/tesselator/tessmono.c b/cogl-path/tesselator/tessmono.c new file mode 100644 index 0000000..4d08440 --- /dev/null +++ b/cogl-path/tesselator/tessmono.c @@ -0,0 +1,201 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#include "gluos.h" +#include +#include "geom.h" +#include "mesh.h" +#include "tessmono.h" +#include + +#define AddWinding(eDst,eSrc) (eDst->winding += eSrc->winding, \ + eDst->Sym->winding += eSrc->Sym->winding) + +/* __gl_meshTessellateMonoRegion( face ) tessellates a monotone region + * (what else would it do??) The region must consist of a single + * loop of half-edges (see mesh.h) oriented CCW. "Monotone" in this + * case means that any vertical line intersects the interior of the + * region in a single interval. + * + * Tessellation consists of adding interior edges (actually pairs of + * half-edges), to split the region into non-overlapping triangles. + * + * The basic idea is explained in Preparata and Shamos (which I don''t + * have handy right now), although their implementation is more + * complicated than this one. The are two edge chains, an upper chain + * and a lower chain. We process all vertices from both chains in order, + * from right to left. + * + * The algorithm ensures that the following invariant holds after each + * vertex is processed: the untessellated region consists of two + * chains, where one chain (say the upper) is a single edge, and + * the other chain is concave. The left vertex of the single edge + * is always to the left of all vertices in the concave chain. + * + * Each step consists of adding the rightmost unprocessed vertex to one + * of the two chains, and forming a fan of triangles from the rightmost + * of two chain endpoints. Determining whether we can add each triangle + * to the fan is a simple orientation test. By making the fan as large + * as possible, we restore the invariant (check it yourself). + */ +int __gl_meshTessellateMonoRegion( GLUface *face ) +{ + GLUhalfEdge *up, *lo; + + /* All edges are oriented CCW around the boundary of the region. + * First, find the half-edge whose origin vertex is rightmost. + * Since the sweep goes from left to right, face->anEdge should + * be close to the edge we want. + */ + up = face->anEdge; + assert( up->Lnext != up && up->Lnext->Lnext != up ); + + for( ; VertLeq( up->Dst, up->Org ); up = up->Lprev ) + ; + for( ; VertLeq( up->Org, up->Dst ); up = up->Lnext ) + ; + lo = up->Lprev; + + while( up->Lnext != lo ) { + if( VertLeq( up->Dst, lo->Org )) { + /* up->Dst is on the left. It is safe to form triangles from lo->Org. + * The EdgeGoesLeft test guarantees progress even when some triangles + * are CW, given that the upper and lower chains are truly monotone. + */ + while( lo->Lnext != up && (EdgeGoesLeft( lo->Lnext ) + || EdgeSign( lo->Org, lo->Dst, lo->Lnext->Dst ) <= 0 )) { + GLUhalfEdge *tempHalfEdge= __gl_meshConnect( lo->Lnext, lo ); + if (tempHalfEdge == NULL) return 0; + lo = tempHalfEdge->Sym; + } + lo = lo->Lprev; + } else { + /* lo->Org is on the left. We can make CCW triangles from up->Dst. */ + while( lo->Lnext != up && (EdgeGoesRight( up->Lprev ) + || EdgeSign( up->Dst, up->Org, up->Lprev->Org ) >= 0 )) { + GLUhalfEdge *tempHalfEdge= __gl_meshConnect( up, up->Lprev ); + if (tempHalfEdge == NULL) return 0; + up = tempHalfEdge->Sym; + } + up = up->Lnext; + } + } + + /* Now lo->Org == up->Dst == the leftmost vertex. The remaining region + * can be tessellated in a fan from this leftmost vertex. + */ + assert( lo->Lnext != up ); + while( lo->Lnext->Lnext != up ) { + GLUhalfEdge *tempHalfEdge= __gl_meshConnect( lo->Lnext, lo ); + if (tempHalfEdge == NULL) return 0; + lo = tempHalfEdge->Sym; + } + + return 1; +} + + +/* __gl_meshTessellateInterior( mesh ) tessellates each region of + * the mesh which is marked "inside" the polygon. Each such region + * must be monotone. + */ +int __gl_meshTessellateInterior( GLUmesh *mesh ) +{ + GLUface *f, *next; + + /*LINTED*/ + for( f = mesh->fHead.next; f != &mesh->fHead; f = next ) { + /* Make sure we don''t try to tessellate the new triangles. */ + next = f->next; + if( f->inside ) { + if ( !__gl_meshTessellateMonoRegion( f ) ) return 0; + } + } + + return 1; +} + + +/* __gl_meshDiscardExterior( mesh ) zaps (ie. sets to NULL) all faces + * which are not marked "inside" the polygon. Since further mesh operations + * on NULL faces are not allowed, the main purpose is to clean up the + * mesh so that exterior loops are not represented in the data structure. + */ +void __gl_meshDiscardExterior( GLUmesh *mesh ) +{ + GLUface *f, *next; + + /*LINTED*/ + for( f = mesh->fHead.next; f != &mesh->fHead; f = next ) { + /* Since f will be destroyed, save its next pointer. */ + next = f->next; + if( ! f->inside ) { + __gl_meshZapFace( f ); + } + } +} + +#define MARKED_FOR_DELETION 0x7fffffff + +/* __gl_meshSetWindingNumber( mesh, value, keepOnlyBoundary ) resets the + * winding numbers on all edges so that regions marked "inside" the + * polygon have a winding number of "value", and regions outside + * have a winding number of 0. + * + * If keepOnlyBoundary is TRUE, it also deletes all edges which do not + * separate an interior region from an exterior one. + */ +int __gl_meshSetWindingNumber( GLUmesh *mesh, int value, + GLboolean keepOnlyBoundary ) +{ + GLUhalfEdge *e, *eNext; + + for( e = mesh->eHead.next; e != &mesh->eHead; e = eNext ) { + eNext = e->next; + if( e->Rface->inside != e->Lface->inside ) { + + /* This is a boundary edge (one side is interior, one is exterior). */ + e->winding = (e->Lface->inside) ? value : -value; + } else { + + /* Both regions are interior, or both are exterior. */ + if( ! keepOnlyBoundary ) { + e->winding = 0; + } else { + if ( !__gl_meshDelete( e ) ) return 0; + } + } + } + return 1; +} diff --git a/cogl-path/tesselator/tessmono.h b/cogl-path/tesselator/tessmono.h new file mode 100644 index 0000000..8ee1b2f --- /dev/null +++ b/cogl-path/tesselator/tessmono.h @@ -0,0 +1,71 @@ +/* + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ +/* +** Author: Eric Veach, July 1994. +** +*/ + +#ifndef __tessmono_h_ +#define __tessmono_h_ + +/* __gl_meshTessellateMonoRegion( face ) tessellates a monotone region + * (what else would it do??) The region must consist of a single + * loop of half-edges (see mesh.h) oriented CCW. "Monotone" in this + * case means that any vertical line intersects the interior of the + * region in a single interval. + * + * Tessellation consists of adding interior edges (actually pairs of + * half-edges), to split the region into non-overlapping triangles. + * + * __gl_meshTessellateInterior( mesh ) tessellates each region of + * the mesh which is marked "inside" the polygon. Each such region + * must be monotone. + * + * __gl_meshDiscardExterior( mesh ) zaps (ie. sets to NULL) all faces + * which are not marked "inside" the polygon. Since further mesh operations + * on NULL faces are not allowed, the main purpose is to clean up the + * mesh so that exterior loops are not represented in the data structure. + * + * __gl_meshSetWindingNumber( mesh, value, keepOnlyBoundary ) resets the + * winding numbers on all edges so that regions marked "inside" the + * polygon have a winding number of "value", and regions outside + * have a winding number of 0. + * + * If keepOnlyBoundary is TRUE, it also deletes all edges which do not + * separate an interior region from an exterior one. + */ + +int __gl_meshTessellateMonoRegion( GLUface *face ); +int __gl_meshTessellateInterior( GLUmesh *mesh ); +void __gl_meshDiscardExterior( GLUmesh *mesh ); +int __gl_meshSetWindingNumber( GLUmesh *mesh, int value, + GLboolean keepOnlyBoundary ); + +#endif diff --git a/cogl/Makefile.am b/cogl/Makefile.am new file mode 100644 index 0000000..62d3762 --- /dev/null +++ b/cogl/Makefile.am @@ -0,0 +1,711 @@ +include $(top_srcdir)/build/autotools/Makefile.am.silent + +# preamble + +NULL = + +SUBDIRS = + +BUILT_SOURCES = + +EXTRA_DIST = +CLEANFILES = +DISTCLEANFILES = + +noinst_LTLIBRARIES = +lib_LTLIBRARIES = + +AM_CPPFLAGS = \ + -I$(top_srcdir) \ + -I$(top_builddir) \ + -I$(srcdir)/deprecated \ + -I$(srcdir)/winsys \ + -I$(srcdir)/driver/gl \ + -I$(srcdir)/driver/gl/gl \ + -I$(srcdir)/driver/gl/gles \ + $(NULL) + +if !USE_GLIB + AM_CPPFLAGS += -I$(top_builddir)/deps/glib +endif + +AM_CPPFLAGS += \ + -DG_LOG_DOMAIN=\"Cogl\" \ + -DCOGL_COMPILATION \ + -DCOGL_GL_LIBNAME=\"$(COGL_GL_LIBNAME)\" \ + -DCOGL_GLES1_LIBNAME=\"$(COGL_GLES1_LIBNAME)\" \ + -DCOGL_GLES2_LIBNAME=\"$(COGL_GLES2_LIBNAME)\" \ + -DCOGL_LOCALEDIR=\""$(localedir)"\" \ + $(NULL) + +if HAVE_COGL_DEFAULT_DRIVER +AM_CPPFLAGS += \ + -DCOGL_DEFAULT_DRIVER=\"$(COGL_DEFAULT_DRIVER)\" +endif + + +AM_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS) $(MAINTAINER_CFLAGS) + +BUILT_SOURCES += cogl-defines.h cogl-egl-defines.h cogl-gl-header.h +DISTCLEANFILES += cogl-defines.h cogl-egl-defines.h cogl-gl-header.h +EXTRA_DIST += cogl-defines.h.in cogl-egl-defines.h.in cogl-gl-header.h.in + +# Note: The cogl-1.0/cogl-gl-1.0 files are essentially for +# compatability only. I'm not really sure who could possibly be using +# them so we may decide to remove them entirely at some point. +pc_files = \ + cogl-1.0.pc \ + cogl-gl-1.0.pc + +pc_files += cogl-$(COGL_API_VERSION)-experimental.pc + +cogl-gl-1.0.pc: cogl-1.0.pc + $(QUIET_GEN)cp -f $< $(@F) + +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = $(pc_files) + +EXTRA_DIST += cogl-1.0.pc.in cogl-$(COGL_API_VERSION)-experimental.pc.in +DISTCLEANFILES += $(pc_files) + +cogl_deprecated_h = \ + $(srcdir)/deprecated/cogl-clip-state.h \ + $(srcdir)/deprecated/cogl-fixed.h \ + $(srcdir)/deprecated/cogl-material-compat.h \ + $(srcdir)/deprecated/cogl-vertex-buffer.h \ + $(srcdir)/deprecated/cogl-shader.h \ + $(srcdir)/deprecated/cogl-clutter.h \ + $(srcdir)/deprecated/cogl-type-casts.h \ + $(srcdir)/deprecated/cogl-framebuffer-deprecated.h \ + $(srcdir)/deprecated/cogl-texture-deprecated.h \ + $(srcdir)/deprecated/cogl-auto-texture.h \ + $(NULL) + +# public 1.x api headers +cogl_1_public_h = \ + $(cogl_deprecated_h) \ + $(srcdir)/cogl1-context.h \ + $(srcdir)/cogl-bitmap.h \ + $(srcdir)/cogl-color.h \ + $(srcdir)/cogl-matrix.h \ + $(srcdir)/cogl-offscreen.h \ + $(srcdir)/cogl-primitives.h \ + $(srcdir)/cogl-texture.h \ + $(srcdir)/cogl-types.h \ + $(srcdir)/cogl.h \ + $(NULL) + +# experimental 2.0 api headers +# Note: we don't run glib-mkenums over these headers +cogl_experimental_h = \ + $(srcdir)/cogl-object.h \ + $(srcdir)/cogl-renderer.h \ + $(srcdir)/cogl-swap-chain.h \ + $(srcdir)/cogl-onscreen-template.h \ + $(srcdir)/cogl-display.h \ + $(srcdir)/cogl-context.h \ + $(srcdir)/cogl-pipeline.h \ + $(srcdir)/cogl-pipeline-state.h \ + $(srcdir)/cogl-pipeline-layer-state.h \ + $(srcdir)/cogl-snippet.h \ + $(srcdir)/cogl-gles2.h \ + $(srcdir)/cogl-gles2-types.h \ + $(srcdir)/cogl-index-buffer.h \ + $(srcdir)/cogl-attribute-buffer.h \ + $(srcdir)/cogl-indices.h \ + $(srcdir)/cogl-attribute.h \ + $(srcdir)/cogl-primitive.h \ + $(srcdir)/cogl-framebuffer.h \ + $(srcdir)/cogl-onscreen.h \ + $(srcdir)/cogl-frame-info.h \ + $(srcdir)/cogl-vector.h \ + $(srcdir)/cogl-euler.h \ + $(srcdir)/cogl-output.h \ + $(srcdir)/cogl-quaternion.h \ + $(srcdir)/cogl-matrix-stack.h \ + $(srcdir)/cogl-poll.h \ + $(srcdir)/cogl-texture-3d.h \ + $(srcdir)/cogl-texture-2d.h \ + $(srcdir)/cogl-texture-2d-gl.h \ + $(srcdir)/cogl-texture-rectangle.h \ + $(srcdir)/cogl-texture-2d-sliced.h \ + $(srcdir)/cogl-sub-texture.h \ + $(srcdir)/cogl-atlas-texture.h \ + $(srcdir)/cogl-meta-texture.h \ + $(srcdir)/cogl-primitive-texture.h \ + $(srcdir)/cogl-depth-state.h \ + $(srcdir)/cogl-buffer.h \ + $(srcdir)/cogl-pixel-buffer.h \ + $(srcdir)/cogl2-experimental.h \ + $(srcdir)/cogl-macros.h \ + $(srcdir)/cogl-fence.h \ + $(srcdir)/cogl-version.h \ + $(srcdir)/cogl-error.h \ + $(NULL) + +cogl_additional_experimental_h = \ + $(srcdir)/cogl-bitmap.h \ + $(srcdir)/cogl-color.h \ + $(srcdir)/cogl-matrix.h \ + $(srcdir)/cogl-texture.h \ + $(srcdir)/cogl-types.h \ + $(srcdir)/cogl-gtype-private.h \ + $(NULL) + +cogl_nodist_experimental_h = \ + $(NULL) + +# nop driver +cogl_driver_sources = \ + $(srcdir)/driver/nop/cogl-driver-nop.c \ + $(srcdir)/driver/nop/cogl-framebuffer-nop-private.h \ + $(srcdir)/driver/nop/cogl-framebuffer-nop.c \ + $(srcdir)/driver/nop/cogl-attribute-nop-private.h \ + $(srcdir)/driver/nop/cogl-attribute-nop.c \ + $(srcdir)/driver/nop/cogl-clip-stack-nop-private.h \ + $(srcdir)/driver/nop/cogl-clip-stack-nop.c \ + $(srcdir)/driver/nop/cogl-texture-2d-nop-private.h \ + $(srcdir)/driver/nop/cogl-texture-2d-nop.c \ + $(NULL) + +# gl driver sources +cogl_gl_prototypes_h = \ + $(srcdir)/gl-prototypes/cogl-gles2-functions.h \ + $(srcdir)/gl-prototypes/cogl-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles2-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-glsl-functions.h \ + $(NULL) + +cogl_driver_sources += \ + $(srcdir)/driver/gl/cogl-util-gl-private.h \ + $(srcdir)/driver/gl/cogl-util-gl.c \ + $(srcdir)/driver/gl/cogl-framebuffer-gl-private.h \ + $(srcdir)/driver/gl/cogl-framebuffer-gl.c \ + $(srcdir)/driver/gl/cogl-texture-gl-private.h \ + $(srcdir)/driver/gl/cogl-texture-gl.c \ + $(srcdir)/driver/gl/cogl-texture-2d-gl-private.h \ + $(srcdir)/driver/gl/cogl-texture-2d-gl.c \ + $(srcdir)/driver/gl/cogl-attribute-gl-private.h \ + $(srcdir)/driver/gl/cogl-attribute-gl.c \ + $(srcdir)/driver/gl/cogl-clip-stack-gl-private.h \ + $(srcdir)/driver/gl/cogl-clip-stack-gl.c \ + $(srcdir)/driver/gl/cogl-buffer-gl-private.h \ + $(srcdir)/driver/gl/cogl-buffer-gl.c \ + $(srcdir)/driver/gl/cogl-pipeline-opengl.c \ + $(srcdir)/driver/gl/cogl-pipeline-opengl-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-fragend-glsl.c \ + $(srcdir)/driver/gl/cogl-pipeline-fragend-glsl-private.h \ + $(srcdir)/driver/gl/gl/cogl-pipeline-fragend-arbfp.c \ + $(srcdir)/driver/gl/gl/cogl-pipeline-fragend-arbfp-private.h \ + $(srcdir)/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp.c \ + $(srcdir)/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-fragend-fixed.c \ + $(srcdir)/driver/gl/cogl-pipeline-fragend-fixed-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-vertend-glsl.c \ + $(srcdir)/driver/gl/cogl-pipeline-vertend-glsl-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-vertend-fixed.c \ + $(srcdir)/driver/gl/cogl-pipeline-vertend-fixed-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-progend-fixed.c \ + $(srcdir)/driver/gl/cogl-pipeline-progend-fixed-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-progend-glsl.c \ + $(srcdir)/driver/gl/cogl-pipeline-progend-glsl-private.h \ + $(NULL) + +if COGL_DRIVER_GL_SUPPORTED +cogl_driver_sources += \ + $(srcdir)/driver/gl/gl/cogl-driver-gl.c \ + $(srcdir)/driver/gl/gl/cogl-texture-driver-gl.c \ + $(NULL) +endif + +if COGL_DRIVER_GLES_SUPPORTED +cogl_driver_sources += \ + $(srcdir)/driver/gl/gles/cogl-driver-gles.c \ + $(srcdir)/driver/gl/gles/cogl-texture-driver-gles.c \ + $(NULL) +endif + +# winsys sources, common to all backends +cogl_winsys_common_sources = \ + $(srcdir)/winsys/cogl-winsys-private.h \ + $(srcdir)/winsys/cogl-winsys.c \ + $(NULL) + +# sources +cogl_sources_c = \ + $(cogl_driver_sources) \ + $(cogl_winsys_common_sources) \ + $(srcdir)/cogl-private.h \ + $(srcdir)/cogl-i18n-private.h \ + $(srcdir)/cogl-debug.h \ + $(srcdir)/cogl-debug-options.h \ + $(srcdir)/cogl-gpu-info.c \ + $(srcdir)/cogl-gpu-info-private.h \ + $(srcdir)/cogl-context-private.h \ + $(srcdir)/cogl-context.c \ + $(srcdir)/cogl-renderer-private.h \ + $(srcdir)/cogl-renderer.h \ + $(srcdir)/cogl-renderer.c \ + $(srcdir)/cogl-swap-chain-private.h \ + $(srcdir)/cogl-swap-chain.h \ + $(srcdir)/cogl-swap-chain.c \ + $(srcdir)/cogl-onscreen-template-private.h \ + $(srcdir)/cogl-onscreen-template.h \ + $(srcdir)/cogl-onscreen-template.c \ + $(srcdir)/cogl-display-private.h \ + $(srcdir)/cogl-display.h \ + $(srcdir)/cogl-display.c \ + $(srcdir)/cogl-driver.h \ + $(srcdir)/cogl.c \ + $(srcdir)/cogl-object-private.h \ + $(srcdir)/cogl-object.h \ + $(srcdir)/cogl-object.c \ + $(srcdir)/cogl-util.h \ + $(srcdir)/cogl-util.c \ + $(srcdir)/cogl-bitmap-private.h \ + $(srcdir)/cogl-bitmap.c \ + $(srcdir)/cogl-bitmap-conversion.c \ + $(srcdir)/cogl-bitmap-packing.h \ + $(srcdir)/cogl-primitives-private.h \ + $(srcdir)/cogl-primitives.h \ + $(srcdir)/cogl-primitives.c \ + $(srcdir)/cogl-bitmap-pixbuf.c \ + $(srcdir)/cogl-clip-stack.h \ + $(srcdir)/cogl-clip-stack.c \ + $(srcdir)/cogl-feature-private.h \ + $(srcdir)/cogl-feature-private.c \ + $(srcdir)/cogl-color-private.h \ + $(srcdir)/cogl-color.c \ + $(srcdir)/cogl-buffer-private.h \ + $(srcdir)/cogl-buffer.c \ + $(srcdir)/cogl-pixel-buffer-private.h \ + $(srcdir)/cogl-pixel-buffer.c \ + $(srcdir)/cogl-index-buffer-private.h \ + $(srcdir)/cogl-index-buffer.c \ + $(srcdir)/cogl-attribute-buffer-private.h \ + $(srcdir)/cogl-attribute-buffer.c \ + $(srcdir)/cogl-indices-private.h \ + $(srcdir)/cogl-indices.c \ + $(srcdir)/cogl-attribute-private.h \ + $(srcdir)/cogl-attribute.c \ + $(srcdir)/cogl-primitive-private.h \ + $(srcdir)/cogl-primitive.c \ + $(srcdir)/cogl-matrix.c \ + $(srcdir)/cogl-vector.c \ + $(srcdir)/cogl-euler.c \ + $(srcdir)/cogl-quaternion-private.h \ + $(srcdir)/cogl-quaternion.c \ + $(srcdir)/cogl-matrix-private.h \ + $(srcdir)/cogl-matrix-stack.c \ + $(srcdir)/cogl-matrix-stack-private.h \ + $(srcdir)/cogl-depth-state.c \ + $(srcdir)/cogl-depth-state-private.h \ + $(srcdir)/cogl-node.c \ + $(srcdir)/cogl-node-private.h \ + $(srcdir)/cogl-pipeline.c \ + $(srcdir)/cogl-pipeline-private.h \ + $(srcdir)/cogl-pipeline-layer.c \ + $(srcdir)/cogl-pipeline-layer-private.h \ + $(srcdir)/cogl-pipeline-state.c \ + $(srcdir)/cogl-pipeline-layer-state-private.h \ + $(srcdir)/cogl-pipeline-layer-state.c \ + $(srcdir)/cogl-pipeline-state-private.h \ + $(srcdir)/cogl-pipeline-debug.c \ + $(srcdir)/cogl-glsl-shader.c \ + $(srcdir)/cogl-glsl-shader-private.h \ + $(srcdir)/cogl-glsl-shader-boilerplate.h \ + $(srcdir)/cogl-pipeline-snippet-private.h \ + $(srcdir)/cogl-pipeline-snippet.c \ + $(srcdir)/cogl-pipeline-cache.h \ + $(srcdir)/cogl-pipeline-cache.c \ + $(srcdir)/cogl-pipeline-hash-table.h \ + $(srcdir)/cogl-pipeline-hash-table.c \ + $(srcdir)/cogl-sampler-cache.c \ + $(srcdir)/cogl-sampler-cache-private.h \ + $(srcdir)/cogl-blend-string.c \ + $(srcdir)/cogl-blend-string.h \ + $(srcdir)/cogl-debug.c \ + $(srcdir)/cogl-sub-texture-private.h \ + $(srcdir)/cogl-texture-private.h \ + $(srcdir)/cogl-texture-2d-private.h \ + $(srcdir)/cogl-texture-2d-sliced-private.h \ + $(srcdir)/cogl-texture-3d-private.h \ + $(srcdir)/cogl-texture-driver.h \ + $(srcdir)/cogl-sub-texture.c \ + $(srcdir)/cogl-texture.c \ + $(srcdir)/cogl-texture-2d.c \ + $(srcdir)/cogl-texture-2d-sliced.c \ + $(srcdir)/cogl-texture-3d.c \ + $(srcdir)/cogl-texture-rectangle-private.h \ + $(srcdir)/cogl-texture-rectangle.c \ + $(srcdir)/cogl-rectangle-map.h \ + $(srcdir)/cogl-rectangle-map.c \ + $(srcdir)/cogl-atlas.h \ + $(srcdir)/cogl-atlas.c \ + $(srcdir)/cogl-atlas-texture-private.h \ + $(srcdir)/cogl-atlas-texture.c \ + $(srcdir)/cogl-meta-texture.c \ + $(srcdir)/cogl-primitive-texture.c \ + $(srcdir)/cogl-blit.h \ + $(srcdir)/cogl-blit.c \ + $(srcdir)/cogl-spans.h \ + $(srcdir)/cogl-spans.c \ + $(srcdir)/cogl-journal-private.h \ + $(srcdir)/cogl-journal.c \ + $(srcdir)/cogl-frame-info-private.h \ + $(srcdir)/cogl-frame-info.c \ + $(srcdir)/cogl-framebuffer-private.h \ + $(srcdir)/cogl-framebuffer.c \ + $(srcdir)/cogl-onscreen-private.h \ + $(srcdir)/cogl-onscreen.c \ + $(srcdir)/cogl-output-private.h \ + $(srcdir)/cogl-output.c \ + $(srcdir)/cogl-profile.h \ + $(srcdir)/cogl-profile.c \ + $(srcdir)/cogl-flags.h \ + $(srcdir)/cogl-bitmask.h \ + $(srcdir)/cogl-bitmask.c \ + $(srcdir)/cogl-gtype.c \ + $(srcdir)/cogl-gtype-private.h \ + $(srcdir)/cogl-point-in-poly-private.h \ + $(srcdir)/cogl-point-in-poly.c \ + $(srcdir)/cogl-list.c \ + $(srcdir)/cogl-list.h \ + $(srcdir)/winsys/cogl-winsys-stub-private.h \ + $(srcdir)/winsys/cogl-winsys-stub.c \ + $(srcdir)/cogl-config-private.h \ + $(srcdir)/cogl-config.c \ + $(srcdir)/cogl-boxed-value.h \ + $(srcdir)/cogl-boxed-value.c \ + $(srcdir)/cogl-snippet-private.h \ + $(srcdir)/cogl-snippet.c \ + $(srcdir)/cogl-poll-private.h \ + $(srcdir)/cogl-poll.c \ + $(srcdir)/gl-prototypes/cogl-all-functions.h \ + $(srcdir)/gl-prototypes/cogl-gles1-functions.h \ + $(srcdir)/gl-prototypes/cogl-gles2-functions.h \ + $(srcdir)/gl-prototypes/cogl-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles1-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles2-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-fixed-functions.h \ + $(srcdir)/gl-prototypes/cogl-glsl-functions.h \ + $(srcdir)/cogl-memory-stack-private.h \ + $(srcdir)/cogl-memory-stack.c \ + $(srcdir)/cogl-magazine-private.h \ + $(srcdir)/cogl-magazine.c \ + $(srcdir)/cogl-gles2-context-private.h \ + $(srcdir)/cogl-gles2-context.c \ + $(srcdir)/cogl-error-private.h \ + $(srcdir)/cogl-error.c \ + $(srcdir)/cogl-closure-list-private.h \ + $(srcdir)/cogl-closure-list.c \ + $(srcdir)/cogl-fence.c \ + $(srcdir)/cogl-fence-private.h \ + $(srcdir)/deprecated/cogl-clip-state.c \ + $(srcdir)/deprecated/cogl-fixed.c \ + $(srcdir)/deprecated/cogl-vertex-buffer-private.h \ + $(srcdir)/deprecated/cogl-vertex-buffer.c \ + $(srcdir)/deprecated/cogl-material-compat.c \ + $(srcdir)/deprecated/cogl-program.c \ + $(srcdir)/deprecated/cogl-program-private.h \ + $(srcdir)/deprecated/cogl-auto-texture.c \ + $(srcdir)/deprecated/cogl-shader-private.h \ + $(srcdir)/deprecated/cogl-shader.c \ + $(srcdir)/deprecated/cogl-clutter.c \ + $(srcdir)/deprecated/cogl-framebuffer-deprecated.c \ + $(srcdir)/deprecated/cogl-texture-deprecated.c \ + $(NULL) + +if USE_GLIB +cogl_experimental_h += \ + $(srcdir)/cogl-glib-source.h +cogl_sources_c += \ + $(srcdir)/cogl-glib-source.c +endif + +if SUPPORT_XLIB +cogl_deprecated_h += \ + $(srcdir)/deprecated/cogl-clutter-xlib.h +cogl_1_public_h += \ + $(srcdir)/cogl-xlib-renderer.h + +cogl_experimental_h += \ + $(srcdir)/winsys/cogl-texture-pixmap-x11.h \ + $(srcdir)/cogl-xlib.h + +cogl_sources_c += \ + $(srcdir)/cogl-x11-renderer-private.h \ + $(srcdir)/cogl-xlib-renderer-private.h \ + $(srcdir)/cogl-xlib-renderer.c \ + $(srcdir)/cogl-xlib.c \ + $(srcdir)/cogl-xlib-private.h \ + $(srcdir)/winsys/cogl-texture-pixmap-x11.c \ + $(srcdir)/winsys/cogl-texture-pixmap-x11-private.h +endif +if SUPPORT_GLX +cogl_experimental_h += $(srcdir)/cogl-glx.h +cogl_sources_c += \ + $(srcdir)/cogl-glx-renderer-private.h \ + $(srcdir)/cogl-glx-display-private.h \ + $(srcdir)/winsys/cogl-winsys-glx-feature-functions.h \ + $(srcdir)/winsys/cogl-winsys-glx-private.h \ + $(srcdir)/winsys/cogl-winsys-glx.c +endif +if SUPPORT_WGL +cogl_experimental_h += \ + $(srcdir)/cogl-win32-renderer.h + +cogl_sources_c += \ + $(srcdir)/cogl-win32-renderer.c \ + $(srcdir)/winsys/cogl-winsys-wgl-private.h \ + $(srcdir)/winsys/cogl-winsys-wgl.c \ + $(srcdir)/winsys/cogl-winsys-wgl-feature-functions.h +endif +if SUPPORT_WAYLAND_EGL_SERVER +cogl_experimental_h += \ + $(srcdir)/cogl-wayland-server.h +endif +if SUPPORT_EGL_PLATFORM_WAYLAND +cogl_experimental_h += \ + $(srcdir)/cogl-wayland-renderer.h \ + $(srcdir)/cogl-wayland-client.h +cogl_sources_c += \ + $(srcdir)/winsys/cogl-winsys-egl-wayland.c \ + $(srcdir)/winsys/cogl-winsys-egl-wayland-private.h +endif +if SUPPORT_EGL_PLATFORM_KMS +cogl_experimental_h += \ + $(srcdir)/cogl-kms-renderer.h \ + $(srcdir)/cogl-kms-display.h +cogl_sources_c += \ + $(srcdir)/winsys/cogl-winsys-egl-kms.c \ + $(srcdir)/winsys/cogl-winsys-egl-kms-private.h +endif +if SUPPORT_EGL_PLATFORM_XLIB +cogl_sources_c += \ + $(srcdir)/winsys/cogl-winsys-egl-x11.c \ + $(srcdir)/winsys/cogl-winsys-egl-x11-private.h +endif +if SUPPORT_EGL_PLATFORM_POWERVR_NULL +cogl_sources_c += \ + $(srcdir)/winsys/cogl-winsys-egl-null.c \ + $(srcdir)/winsys/cogl-winsys-egl-null-private.h +endif +if SUPPORT_EGL_PLATFORM_GDL +cogl_sources_c += \ + $(srcdir)/winsys/cogl-winsys-egl-gdl.c \ + $(srcdir)/winsys/cogl-winsys-egl-gdl-private.h +endif +if SUPPORT_EGL_PLATFORM_ANDROID +cogl_sources_c += \ + $(srcdir)/winsys/cogl-winsys-egl-android.c \ + $(srcdir)/winsys/cogl-winsys-egl-android-private.h +endif +if SUPPORT_EGL +cogl_experimental_h += \ + $(srcdir)/cogl-egl.h +cogl_nodist_experimental_h += \ + $(builddir)/cogl-egl-defines.h + +cogl_sources_c += \ + $(srcdir)/cogl-egl-private.h \ + $(srcdir)/winsys/cogl-winsys-egl.c \ + $(srcdir)/winsys/cogl-winsys-egl-feature-functions.h \ + $(srcdir)/winsys/cogl-winsys-egl-private.h +endif +if SUPPORT_SDL +cogl_experimental_h += $(srcdir)/cogl-sdl.h +cogl_sources_c += \ + $(srcdir)/winsys/cogl-winsys-sdl-private.h \ + $(srcdir)/winsys/cogl-winsys-sdl.c \ + $(srcdir)/cogl-sdl.c +endif +if SUPPORT_SDL2 +cogl_experimental_h += $(srcdir)/cogl-sdl.h +cogl_sources_c += \ + $(srcdir)/winsys/cogl-winsys-sdl-private.h \ + $(srcdir)/winsys/cogl-winsys-sdl2.c \ + $(srcdir)/cogl-sdl.c +endif + +EXTRA_DIST += stb_image.c + +# glib-mkenums rules +glib_enum_h = cogl-enum-types.h +glib_enum_c = cogl-enum-types.c +glib_enum_headers = $(cogl_1_public_h) +include $(top_srcdir)/build/autotools/Makefile.am.enums + +lib_LTLIBRARIES += libcogl.la + +libcogl_la_LIBADD = $(LIBM) $(COGL_DEP_LIBS) $(COGL_EXTRA_LDFLAGS) +if !USE_GLIB +libcogl_la_LIBADD += $(top_builddir)/deps/glib/libglib.la +libcogl_la_LIBADD += $(top_builddir)/deps/gmodule/libgmodule.la +endif +if UNIT_TESTS +libcogl_la_LIBADD += $(top_builddir)/test-fixtures/libtest-fixtures.la +endif +# XXX: The aim is to eventually get rid of all private API exports +# for cogl-pango. +libcogl_la_LDFLAGS = \ + -no-undefined \ + -version-info @COGL_LT_CURRENT@:@COGL_LT_REVISION@:@COGL_LT_AGE@ \ + -export-dynamic \ + -export-symbols-regex "^(cogl|_cogl_debug_flags|_cogl_atlas_new|_cogl_atlas_add_reorganize_callback|_cogl_atlas_reserve_space|_cogl_callback|_cogl_util_get_eye_planes_for_screen_poly|_cogl_atlas_texture_remove_reorganize_callback|_cogl_atlas_texture_add_reorganize_callback|_cogl_texture_get_format|_cogl_texture_foreach_sub_texture_in_region|_cogl_profile_trace_message|_cogl_context_get_default|_cogl_framebuffer_get_stencil_bits|_cogl_clip_stack_push_rectangle|_cogl_framebuffer_get_modelview_stack|_cogl_object_default_unref|_cogl_pipeline_foreach_layer_internal|_cogl_clip_stack_push_primitive|_cogl_buffer_unmap_for_fill_or_fallback|_cogl_framebuffer_draw_primitive|_cogl_debug_instances|_cogl_framebuffer_get_projection_stack|_cogl_pipeline_layer_get_texture|_cogl_buffer_map_for_fill_or_fallback|_cogl_texture_can_hardware_repeat|_cogl_pipeline_prune_to_n_layers|_cogl_primitive_draw|test_|unit_test_).*" + +libcogl_la_SOURCES = $(cogl_sources_c) +nodist_libcogl_la_SOURCES = $(BUILT_SOURCES) + +# Cogl installed headers +cogl_headers = \ + $(cogl_1_public_h) \ + $(srcdir)/cogl-deprecated.h \ + $(srcdir)/cogl-pango.h \ + $(NULL) + +cogldeprecatedincludedir = $(includedir)/cogl/cogl/deprecated +cogldeprecatedinclude_HEADERS = $(cogl_deprecated_h) + +coglincludedir = $(includedir)/cogl/cogl +coglinclude_HEADERS = $(cogl_headers) $(cogl_experimental_h) +nodist_coglinclude_HEADERS = $(cogl_nodist_experimental_h) cogl-defines.h cogl-enum-types.h + +cogl_proto_includedir = $(includedir)/cogl/cogl/gl-prototypes +cogl_proto_include_HEADERS = $(cogl_gl_prototypes_h) + +dist-hook: ../build/win32/vs9/cogl.vcproj ../build/win32/vs10/cogl.vcxproj ../build/win32/vs10/cogl.vcxproj.filters ../build/win32/gen-enums.bat + +# I know those filters below don't look nice, but this is to ensure the right files are in the Project files only *once* +../build/win32/vs9/cogl.vcproj: $(top_srcdir)/build/win32/vs9/cogl.vcprojin + for F in `echo $(cogl_sources_c) $(BUILT_SOURCES) | tr '/' '\\'`; do \ + case $$F in \ + *-egl.c|*-egl-*.c|*-glx.c|*-xlib*.c|*-x11.c|*.wgl.c|*-gl.c|*-gles.c|*-kms.c|*-sdl.c|*.h) ;; \ + *.c) echo ' ' \ + ;; \ + esac; \ + done >cogl.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs9/cogl.vcprojin >$@ + rm cogl.sourcefiles + +../build/win32/vs10/cogl.vcxproj: $(top_srcdir)/build/win32/vs10/cogl.vcxprojin + for F in `echo $(cogl_sources_c) $(BUILT_SOURCES) | tr '/' '\\'`; do \ + case $$F in \ + *-egl.c|*-egl-*.c|*-glx.c|*-xlib*.c|*-x11.c|*.wgl.c|*-gl.c|*-gles.c|*-kms.c|*-sdl.c|*.h) ;; \ + *.c) echo ' ' \ + ;; \ + esac; \ + done >cogl.vs10.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/cogl.vcxprojin >$@ + rm cogl.vs10.sourcefiles + +../build/win32/vs10/cogl.vcxproj.filters: $(top_srcdir)/build/win32/vs10/cogl.vcxproj.filtersin + for F in `echo $(cogl_sources_c) $(BUILT_SOURCES) | tr '/' '\\'`; do \ + case $$F in \ + *-egl.c|*-egl-*.c|*-glx.c|*-xlib*.c|*-x11.c|*.wgl.c|*-gl.c|*-gles.c|*-kms.c|*-sdl.c|*.h) ;; \ + *.c) echo ' Sources' \ + ;; \ + esac; \ + done >cogl.vs10.sourcefiles.filters + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/cogl.vcxproj.filtersin >$@ + rm cogl.vs10.sourcefiles.filters + +cogl.vsenums_h: + echo 'perl %1\bin\glib-mkenums --template ../../cogl/cogl-enum-types.h.in ' >vsenums_h.temp1 + for F in `echo $(cogl_1_public_h) $(srcdir)/cogl-win32-renderer.h`; do \ + case $$F in \ + *xlib*.h|*wayland*.h) ;; \ + *.h) echo '../../cogl'$$F' ' \ + ;; \ + esac; \ + done >>vsenums_h.temp1 + cat vsenums_h.temp1 | sed 's_/cogl./_/cogl/_' >vsenums_h.temp + cat vsenums_h.temp | tr -d '\n' >>$@ + echo '> ..\..\cogl\cogl-enum-types.h' >>$@ + rm vsenums_h.temp1 + rm vsenums_h.temp + +cogl.vsenums_c: + echo 'perl %1\bin\glib-mkenums --template ../../cogl/cogl-enum-types.c.in ' >vsenums_c.temp1 + for F in `echo $(cogl_1_public_h) $(srcdir)/cogl-win32-renderer.h`; do \ + case $$F in \ + *xlib*.h|*wayland*.h) ;; \ + *.h) echo '../../cogl'$$F' ' \ + ;; \ + esac; \ + done >>vsenums_c.temp1 + cat vsenums_c.temp1 | sed 's_/cogl./_/cogl/_' >vsenums_c.temp + cat vsenums_c.temp | tr -d '\n' >>$@ + echo '> ..\..\cogl\cogl-enum-types.c' >>$@ + rm vsenums_c.temp1 + rm vsenums_c.temp + +../build/win32/gen-enums.bat: cogl.vsenums_h cogl.vsenums_c + echo 'if exist ..\..\cogl\cogl-enum-types.h goto DONE_COGL_ENUMS_H' >$@ + cat cogl.vsenums_h >>$@ + echo ':DONE_COGL_ENUMS_H' >>$@ + echo 'if exist ..\..\cogl\cogl-enum-types.c goto DONE_COGL_ENUMS_C' >>$@ + cat cogl.vsenums_c >>$@ + echo ':DONE_COGL_ENUMS_C' >>$@ + rm cogl.vsenums_h + rm cogl.vsenums_c + +EXTRA_DIST += \ + cogl-defines.h.win32.in \ + cogl-defines.h.win32 \ + cogl-defines.h.win32_SDL.in \ + cogl-defines.h.win32_SDL \ + cogl-gl-header.h.win32 \ + cogl.symbols \ + cogl.rc.in \ + cogl.rc + +DISTCLEANFILES += ../build/win32/vs9/cogl.vcproj ../build/win32/vs10/cogl.vcxproj ../build/win32/vs10/cogl.vcxproj.filters ../build/win32/gen-enums.bat cogl.rc + +-include $(INTROSPECTION_MAKEFILE) + +INTROSPECTION_GIRS = + +if HAVE_INTROSPECTION +Cogl-1.0.gir: libcogl.la Makefile + +Cogl_1_0_gir_NAMESPACE = Cogl +Cogl_1_0_gir_VERSION = 1.0 +Cogl_1_0_gir_LIBS = libcogl.la +if UNIT_TESTS +Cogl_1_0_gir_LIBS += $(top_builddir)/test-fixtures/libtest-fixtures.la +endif +Cogl_1_0_gir_FILES = $(cogl_1_public_h) cogl-enum-types.h + +Cogl-2.0.gir: libcogl.la Makefile + +Cogl_2_0_gir_NAMESPACE = Cogl +Cogl_2_0_gir_VERSION = 2.0 +Cogl_2_0_gir_LIBS = libcogl.la +if UNIT_TESTS +Cogl_2_0_gir_LIBS += $(top_builddir)/test-fixtures/libtest-fixtures.la +endif +Cogl_2_0_gir_FILES = $(cogl_experimental_h) $(cogl_additional_experimental_h) cogl-enum-types.h + +Cogl_1_0_gir_CFLAGS = $(AM_CPPFLAGS) $(COGL_DEP_CFLAGS) -UCOGL_ENABLE_EXPERIMENTAL_API -UCOGL_ENABLE_EXPERIMENTAL_2_0_API -UCOGL_COMPILATION -D__COGL_H_INSIDE__ -D__COGL_XLIB_H_INSIDE__ -D__COGL_EGL_H_INSIDE__ -D__COGL_GLX_H_INSIDE__ -DCOGL_GIR_SCANNING +Cogl_1_0_gir_INCLUDES = GL-1.0 GObject-2.0 +Cogl_1_0_gir_EXPORT_PACKAGES = cogl-1.0 +Cogl_1_0_gir_SCANNERFLAGS = --warn-all --c-include='cogl/cogl.h' + +Cogl_2_0_gir_CFLAGS = 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I'm not really sure who could possibly be using +# them so we may decide to remove them entirely at some point. +pc_files = cogl-1.0.pc cogl-gl-1.0.pc \ + cogl-$(COGL_API_VERSION)-experimental.pc +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = $(pc_files) +cogl_deprecated_h = $(srcdir)/deprecated/cogl-clip-state.h \ + $(srcdir)/deprecated/cogl-fixed.h \ + $(srcdir)/deprecated/cogl-material-compat.h \ + $(srcdir)/deprecated/cogl-vertex-buffer.h \ + $(srcdir)/deprecated/cogl-shader.h \ + $(srcdir)/deprecated/cogl-clutter.h \ + $(srcdir)/deprecated/cogl-type-casts.h \ + $(srcdir)/deprecated/cogl-framebuffer-deprecated.h \ + $(srcdir)/deprecated/cogl-texture-deprecated.h \ + $(srcdir)/deprecated/cogl-auto-texture.h $(NULL) \ + $(am__append_6) + +# public 1.x api headers +cogl_1_public_h = $(cogl_deprecated_h) $(srcdir)/cogl1-context.h \ + $(srcdir)/cogl-bitmap.h $(srcdir)/cogl-color.h \ + $(srcdir)/cogl-matrix.h $(srcdir)/cogl-offscreen.h \ + $(srcdir)/cogl-primitives.h $(srcdir)/cogl-texture.h \ + $(srcdir)/cogl-types.h $(srcdir)/cogl.h $(NULL) \ + $(am__append_7) + +# experimental 2.0 api headers +# Note: we don't run glib-mkenums over these headers +cogl_experimental_h = $(srcdir)/cogl-object.h \ + $(srcdir)/cogl-renderer.h $(srcdir)/cogl-swap-chain.h \ + $(srcdir)/cogl-onscreen-template.h $(srcdir)/cogl-display.h \ + $(srcdir)/cogl-context.h $(srcdir)/cogl-pipeline.h \ + $(srcdir)/cogl-pipeline-state.h \ + $(srcdir)/cogl-pipeline-layer-state.h $(srcdir)/cogl-snippet.h \ + $(srcdir)/cogl-gles2.h $(srcdir)/cogl-gles2-types.h \ + $(srcdir)/cogl-index-buffer.h \ + $(srcdir)/cogl-attribute-buffer.h $(srcdir)/cogl-indices.h \ + $(srcdir)/cogl-attribute.h $(srcdir)/cogl-primitive.h \ + $(srcdir)/cogl-framebuffer.h $(srcdir)/cogl-onscreen.h \ + $(srcdir)/cogl-frame-info.h $(srcdir)/cogl-vector.h \ + $(srcdir)/cogl-euler.h $(srcdir)/cogl-output.h \ + $(srcdir)/cogl-quaternion.h $(srcdir)/cogl-matrix-stack.h \ + $(srcdir)/cogl-poll.h $(srcdir)/cogl-texture-3d.h \ + $(srcdir)/cogl-texture-2d.h $(srcdir)/cogl-texture-2d-gl.h \ + $(srcdir)/cogl-texture-rectangle.h \ + $(srcdir)/cogl-texture-2d-sliced.h \ + $(srcdir)/cogl-sub-texture.h $(srcdir)/cogl-atlas-texture.h \ + $(srcdir)/cogl-meta-texture.h \ + $(srcdir)/cogl-primitive-texture.h \ + $(srcdir)/cogl-depth-state.h $(srcdir)/cogl-buffer.h \ + $(srcdir)/cogl-pixel-buffer.h $(srcdir)/cogl2-experimental.h \ + $(srcdir)/cogl-macros.h $(srcdir)/cogl-fence.h \ + $(srcdir)/cogl-version.h $(srcdir)/cogl-error.h $(NULL) \ + $(am__append_4) $(am__append_8) $(am__append_10) \ + $(am__append_12) $(am__append_14) $(am__append_15) \ + $(am__append_17) $(am__append_23) $(am__append_26) \ + $(am__append_28) +cogl_additional_experimental_h = \ + $(srcdir)/cogl-bitmap.h \ + $(srcdir)/cogl-color.h \ + $(srcdir)/cogl-matrix.h \ + $(srcdir)/cogl-texture.h \ + $(srcdir)/cogl-types.h \ + $(srcdir)/cogl-gtype-private.h \ + $(NULL) + +cogl_nodist_experimental_h = $(NULL) $(am__append_24) + +# nop driver +cogl_driver_sources = $(srcdir)/driver/nop/cogl-driver-nop.c \ + $(srcdir)/driver/nop/cogl-framebuffer-nop-private.h \ + $(srcdir)/driver/nop/cogl-framebuffer-nop.c \ + $(srcdir)/driver/nop/cogl-attribute-nop-private.h \ + $(srcdir)/driver/nop/cogl-attribute-nop.c \ + $(srcdir)/driver/nop/cogl-clip-stack-nop-private.h \ + $(srcdir)/driver/nop/cogl-clip-stack-nop.c \ + $(srcdir)/driver/nop/cogl-texture-2d-nop-private.h \ + $(srcdir)/driver/nop/cogl-texture-2d-nop.c $(NULL) \ + $(srcdir)/driver/gl/cogl-util-gl-private.h \ + $(srcdir)/driver/gl/cogl-util-gl.c \ + $(srcdir)/driver/gl/cogl-framebuffer-gl-private.h \ + $(srcdir)/driver/gl/cogl-framebuffer-gl.c \ + $(srcdir)/driver/gl/cogl-texture-gl-private.h \ + $(srcdir)/driver/gl/cogl-texture-gl.c \ + $(srcdir)/driver/gl/cogl-texture-2d-gl-private.h \ + $(srcdir)/driver/gl/cogl-texture-2d-gl.c \ + $(srcdir)/driver/gl/cogl-attribute-gl-private.h \ + $(srcdir)/driver/gl/cogl-attribute-gl.c \ + $(srcdir)/driver/gl/cogl-clip-stack-gl-private.h \ + $(srcdir)/driver/gl/cogl-clip-stack-gl.c \ + $(srcdir)/driver/gl/cogl-buffer-gl-private.h \ + $(srcdir)/driver/gl/cogl-buffer-gl.c \ + $(srcdir)/driver/gl/cogl-pipeline-opengl.c \ + $(srcdir)/driver/gl/cogl-pipeline-opengl-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-fragend-glsl.c \ + $(srcdir)/driver/gl/cogl-pipeline-fragend-glsl-private.h \ + $(srcdir)/driver/gl/gl/cogl-pipeline-fragend-arbfp.c \ + $(srcdir)/driver/gl/gl/cogl-pipeline-fragend-arbfp-private.h \ + $(srcdir)/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp.c \ + $(srcdir)/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-fragend-fixed.c \ + $(srcdir)/driver/gl/cogl-pipeline-fragend-fixed-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-vertend-glsl.c \ + $(srcdir)/driver/gl/cogl-pipeline-vertend-glsl-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-vertend-fixed.c \ + $(srcdir)/driver/gl/cogl-pipeline-vertend-fixed-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-progend-fixed.c \ + $(srcdir)/driver/gl/cogl-pipeline-progend-fixed-private.h \ + $(srcdir)/driver/gl/cogl-pipeline-progend-glsl.c \ + $(srcdir)/driver/gl/cogl-pipeline-progend-glsl-private.h \ + $(NULL) $(am__append_2) $(am__append_3) + +# gl driver sources +cogl_gl_prototypes_h = \ + $(srcdir)/gl-prototypes/cogl-gles2-functions.h \ + $(srcdir)/gl-prototypes/cogl-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles2-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-glsl-functions.h \ + $(NULL) + + +# winsys sources, common to all backends +cogl_winsys_common_sources = \ + $(srcdir)/winsys/cogl-winsys-private.h \ + $(srcdir)/winsys/cogl-winsys.c \ + $(NULL) + + +# sources +cogl_sources_c = $(cogl_driver_sources) $(cogl_winsys_common_sources) \ + $(srcdir)/cogl-private.h $(srcdir)/cogl-i18n-private.h \ + $(srcdir)/cogl-debug.h $(srcdir)/cogl-debug-options.h \ + $(srcdir)/cogl-gpu-info.c $(srcdir)/cogl-gpu-info-private.h \ + $(srcdir)/cogl-context-private.h $(srcdir)/cogl-context.c \ + $(srcdir)/cogl-renderer-private.h $(srcdir)/cogl-renderer.h \ + $(srcdir)/cogl-renderer.c $(srcdir)/cogl-swap-chain-private.h \ + $(srcdir)/cogl-swap-chain.h $(srcdir)/cogl-swap-chain.c \ + $(srcdir)/cogl-onscreen-template-private.h \ + $(srcdir)/cogl-onscreen-template.h \ + $(srcdir)/cogl-onscreen-template.c \ + $(srcdir)/cogl-display-private.h $(srcdir)/cogl-display.h \ + $(srcdir)/cogl-display.c $(srcdir)/cogl-driver.h \ + $(srcdir)/cogl.c $(srcdir)/cogl-object-private.h \ + $(srcdir)/cogl-object.h $(srcdir)/cogl-object.c \ + $(srcdir)/cogl-util.h $(srcdir)/cogl-util.c \ + $(srcdir)/cogl-bitmap-private.h $(srcdir)/cogl-bitmap.c \ + $(srcdir)/cogl-bitmap-conversion.c \ + $(srcdir)/cogl-bitmap-packing.h \ + $(srcdir)/cogl-primitives-private.h \ + $(srcdir)/cogl-primitives.h $(srcdir)/cogl-primitives.c \ + $(srcdir)/cogl-bitmap-pixbuf.c $(srcdir)/cogl-clip-stack.h \ + $(srcdir)/cogl-clip-stack.c $(srcdir)/cogl-feature-private.h \ + $(srcdir)/cogl-feature-private.c \ + $(srcdir)/cogl-color-private.h $(srcdir)/cogl-color.c \ + $(srcdir)/cogl-buffer-private.h $(srcdir)/cogl-buffer.c \ + $(srcdir)/cogl-pixel-buffer-private.h \ + $(srcdir)/cogl-pixel-buffer.c \ + $(srcdir)/cogl-index-buffer-private.h \ + $(srcdir)/cogl-index-buffer.c \ + $(srcdir)/cogl-attribute-buffer-private.h \ + $(srcdir)/cogl-attribute-buffer.c \ + $(srcdir)/cogl-indices-private.h $(srcdir)/cogl-indices.c \ + $(srcdir)/cogl-attribute-private.h $(srcdir)/cogl-attribute.c \ + $(srcdir)/cogl-primitive-private.h $(srcdir)/cogl-primitive.c \ + $(srcdir)/cogl-matrix.c $(srcdir)/cogl-vector.c \ + $(srcdir)/cogl-euler.c $(srcdir)/cogl-quaternion-private.h \ + $(srcdir)/cogl-quaternion.c $(srcdir)/cogl-matrix-private.h \ + $(srcdir)/cogl-matrix-stack.c \ + $(srcdir)/cogl-matrix-stack-private.h \ + $(srcdir)/cogl-depth-state.c \ + $(srcdir)/cogl-depth-state-private.h $(srcdir)/cogl-node.c \ + $(srcdir)/cogl-node-private.h $(srcdir)/cogl-pipeline.c \ + $(srcdir)/cogl-pipeline-private.h \ + $(srcdir)/cogl-pipeline-layer.c \ + $(srcdir)/cogl-pipeline-layer-private.h \ + $(srcdir)/cogl-pipeline-state.c \ + $(srcdir)/cogl-pipeline-layer-state-private.h \ + $(srcdir)/cogl-pipeline-layer-state.c \ + $(srcdir)/cogl-pipeline-state-private.h \ + $(srcdir)/cogl-pipeline-debug.c $(srcdir)/cogl-glsl-shader.c \ + $(srcdir)/cogl-glsl-shader-private.h \ + $(srcdir)/cogl-glsl-shader-boilerplate.h \ + $(srcdir)/cogl-pipeline-snippet-private.h \ + $(srcdir)/cogl-pipeline-snippet.c \ + $(srcdir)/cogl-pipeline-cache.h \ + $(srcdir)/cogl-pipeline-cache.c \ + $(srcdir)/cogl-pipeline-hash-table.h \ + $(srcdir)/cogl-pipeline-hash-table.c \ + $(srcdir)/cogl-sampler-cache.c \ + $(srcdir)/cogl-sampler-cache-private.h \ + $(srcdir)/cogl-blend-string.c $(srcdir)/cogl-blend-string.h \ + $(srcdir)/cogl-debug.c $(srcdir)/cogl-sub-texture-private.h \ + $(srcdir)/cogl-texture-private.h \ + $(srcdir)/cogl-texture-2d-private.h \ + $(srcdir)/cogl-texture-2d-sliced-private.h \ + $(srcdir)/cogl-texture-3d-private.h \ + $(srcdir)/cogl-texture-driver.h $(srcdir)/cogl-sub-texture.c \ + $(srcdir)/cogl-texture.c $(srcdir)/cogl-texture-2d.c \ + $(srcdir)/cogl-texture-2d-sliced.c $(srcdir)/cogl-texture-3d.c \ + $(srcdir)/cogl-texture-rectangle-private.h \ + $(srcdir)/cogl-texture-rectangle.c \ + $(srcdir)/cogl-rectangle-map.h $(srcdir)/cogl-rectangle-map.c \ + $(srcdir)/cogl-atlas.h $(srcdir)/cogl-atlas.c \ + $(srcdir)/cogl-atlas-texture-private.h \ + $(srcdir)/cogl-atlas-texture.c $(srcdir)/cogl-meta-texture.c \ + $(srcdir)/cogl-primitive-texture.c $(srcdir)/cogl-blit.h \ + $(srcdir)/cogl-blit.c $(srcdir)/cogl-spans.h \ + $(srcdir)/cogl-spans.c $(srcdir)/cogl-journal-private.h \ + $(srcdir)/cogl-journal.c $(srcdir)/cogl-frame-info-private.h \ + $(srcdir)/cogl-frame-info.c \ + $(srcdir)/cogl-framebuffer-private.h \ + $(srcdir)/cogl-framebuffer.c $(srcdir)/cogl-onscreen-private.h \ + $(srcdir)/cogl-onscreen.c $(srcdir)/cogl-output-private.h \ + $(srcdir)/cogl-output.c $(srcdir)/cogl-profile.h \ + $(srcdir)/cogl-profile.c $(srcdir)/cogl-flags.h \ + $(srcdir)/cogl-bitmask.h $(srcdir)/cogl-bitmask.c \ + $(srcdir)/cogl-gtype.c $(srcdir)/cogl-gtype-private.h \ + $(srcdir)/cogl-point-in-poly-private.h \ + $(srcdir)/cogl-point-in-poly.c $(srcdir)/cogl-list.c \ + $(srcdir)/cogl-list.h \ + $(srcdir)/winsys/cogl-winsys-stub-private.h \ + $(srcdir)/winsys/cogl-winsys-stub.c \ + $(srcdir)/cogl-config-private.h $(srcdir)/cogl-config.c \ + $(srcdir)/cogl-boxed-value.h $(srcdir)/cogl-boxed-value.c \ + $(srcdir)/cogl-snippet-private.h $(srcdir)/cogl-snippet.c \ + $(srcdir)/cogl-poll-private.h $(srcdir)/cogl-poll.c \ + $(srcdir)/gl-prototypes/cogl-all-functions.h \ + $(srcdir)/gl-prototypes/cogl-gles1-functions.h \ + $(srcdir)/gl-prototypes/cogl-gles2-functions.h \ + $(srcdir)/gl-prototypes/cogl-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles1-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-in-gles2-core-functions.h \ + $(srcdir)/gl-prototypes/cogl-fixed-functions.h \ + $(srcdir)/gl-prototypes/cogl-glsl-functions.h \ + $(srcdir)/cogl-memory-stack-private.h \ + $(srcdir)/cogl-memory-stack.c \ + $(srcdir)/cogl-magazine-private.h $(srcdir)/cogl-magazine.c \ + $(srcdir)/cogl-gles2-context-private.h \ + $(srcdir)/cogl-gles2-context.c $(srcdir)/cogl-error-private.h \ + $(srcdir)/cogl-error.c $(srcdir)/cogl-closure-list-private.h \ + $(srcdir)/cogl-closure-list.c $(srcdir)/cogl-fence.c \ + $(srcdir)/cogl-fence-private.h \ + $(srcdir)/deprecated/cogl-clip-state.c \ + $(srcdir)/deprecated/cogl-fixed.c \ + $(srcdir)/deprecated/cogl-vertex-buffer-private.h \ + $(srcdir)/deprecated/cogl-vertex-buffer.c \ + $(srcdir)/deprecated/cogl-material-compat.c \ + $(srcdir)/deprecated/cogl-program.c \ + $(srcdir)/deprecated/cogl-program-private.h \ + $(srcdir)/deprecated/cogl-auto-texture.c \ + $(srcdir)/deprecated/cogl-shader-private.h \ + $(srcdir)/deprecated/cogl-shader.c \ + $(srcdir)/deprecated/cogl-clutter.c \ + $(srcdir)/deprecated/cogl-framebuffer-deprecated.c \ + $(srcdir)/deprecated/cogl-texture-deprecated.c $(NULL) \ + $(am__append_5) $(am__append_9) $(am__append_11) \ + $(am__append_13) $(am__append_16) $(am__append_18) \ + $(am__append_19) $(am__append_20) $(am__append_21) \ + $(am__append_22) $(am__append_25) $(am__append_27) \ + $(am__append_29) + +# glib-mkenums rules +glib_enum_h = cogl-enum-types.h +glib_enum_c = cogl-enum-types.c +glib_enum_headers = $(cogl_1_public_h) +enum_tmpl_h = $(addprefix $(srcdir)/, $(glib_enum_h:.h=.h.in)) +enum_tmpl_c = $(addprefix $(srcdir)/, $(glib_enum_c:.c=.c.in)) +libcogl_la_LIBADD = $(LIBM) $(COGL_DEP_LIBS) $(COGL_EXTRA_LDFLAGS) \ + $(am__append_30) $(am__append_31) +# XXX: The aim is to eventually get rid of all private API exports +# for cogl-pango. +libcogl_la_LDFLAGS = \ + -no-undefined \ + -version-info @COGL_LT_CURRENT@:@COGL_LT_REVISION@:@COGL_LT_AGE@ \ + -export-dynamic \ + -export-symbols-regex "^(cogl|_cogl_debug_flags|_cogl_atlas_new|_cogl_atlas_add_reorganize_callback|_cogl_atlas_reserve_space|_cogl_callback|_cogl_util_get_eye_planes_for_screen_poly|_cogl_atlas_texture_remove_reorganize_callback|_cogl_atlas_texture_add_reorganize_callback|_cogl_texture_get_format|_cogl_texture_foreach_sub_texture_in_region|_cogl_profile_trace_message|_cogl_context_get_default|_cogl_framebuffer_get_stencil_bits|_cogl_clip_stack_push_rectangle|_cogl_framebuffer_get_modelview_stack|_cogl_object_default_unref|_cogl_pipeline_foreach_layer_internal|_cogl_clip_stack_push_primitive|_cogl_buffer_unmap_for_fill_or_fallback|_cogl_framebuffer_draw_primitive|_cogl_debug_instances|_cogl_framebuffer_get_projection_stack|_cogl_pipeline_layer_get_texture|_cogl_buffer_map_for_fill_or_fallback|_cogl_texture_can_hardware_repeat|_cogl_pipeline_prune_to_n_layers|_cogl_primitive_draw|test_|unit_test_).*" + +libcogl_la_SOURCES = $(cogl_sources_c) +nodist_libcogl_la_SOURCES = $(BUILT_SOURCES) + +# Cogl installed headers +cogl_headers = \ + $(cogl_1_public_h) \ + $(srcdir)/cogl-deprecated.h \ + $(srcdir)/cogl-pango.h \ + $(NULL) + +cogldeprecatedincludedir = $(includedir)/cogl/cogl/deprecated +cogldeprecatedinclude_HEADERS = $(cogl_deprecated_h) +coglincludedir = $(includedir)/cogl/cogl +coglinclude_HEADERS = $(cogl_headers) $(cogl_experimental_h) +nodist_coglinclude_HEADERS = $(cogl_nodist_experimental_h) cogl-defines.h cogl-enum-types.h +cogl_proto_includedir = $(includedir)/cogl/cogl/gl-prototypes +cogl_proto_include_HEADERS = $(cogl_gl_prototypes_h) +INTROSPECTION_GIRS = $(am__append_34) +@HAVE_INTROSPECTION_TRUE@Cogl_1_0_gir_NAMESPACE = Cogl +@HAVE_INTROSPECTION_TRUE@Cogl_1_0_gir_VERSION = 1.0 +@HAVE_INTROSPECTION_TRUE@Cogl_1_0_gir_LIBS = libcogl.la \ +@HAVE_INTROSPECTION_TRUE@ $(am__append_32) +@HAVE_INTROSPECTION_TRUE@Cogl_1_0_gir_FILES = $(cogl_1_public_h) cogl-enum-types.h +@HAVE_INTROSPECTION_TRUE@Cogl_2_0_gir_NAMESPACE = Cogl +@HAVE_INTROSPECTION_TRUE@Cogl_2_0_gir_VERSION = 2.0 +@HAVE_INTROSPECTION_TRUE@Cogl_2_0_gir_LIBS = libcogl.la \ +@HAVE_INTROSPECTION_TRUE@ $(am__append_33) +@HAVE_INTROSPECTION_TRUE@Cogl_2_0_gir_FILES = $(cogl_experimental_h) $(cogl_additional_experimental_h) cogl-enum-types.h +@HAVE_INTROSPECTION_TRUE@Cogl_1_0_gir_CFLAGS = $(AM_CPPFLAGS) $(COGL_DEP_CFLAGS) -UCOGL_ENABLE_EXPERIMENTAL_API -UCOGL_ENABLE_EXPERIMENTAL_2_0_API -UCOGL_COMPILATION -D__COGL_H_INSIDE__ -D__COGL_XLIB_H_INSIDE__ -D__COGL_EGL_H_INSIDE__ -D__COGL_GLX_H_INSIDE__ -DCOGL_GIR_SCANNING +@HAVE_INTROSPECTION_TRUE@Cogl_1_0_gir_INCLUDES = GL-1.0 GObject-2.0 +@HAVE_INTROSPECTION_TRUE@Cogl_1_0_gir_EXPORT_PACKAGES = cogl-1.0 +@HAVE_INTROSPECTION_TRUE@Cogl_1_0_gir_SCANNERFLAGS = --warn-all --c-include='cogl/cogl.h' +@HAVE_INTROSPECTION_TRUE@Cogl_2_0_gir_CFLAGS = $(AM_CPPFLAGS) $(COGL_DEP_CFLAGS) -DCOGL_ENABLE_EXPERIMENTAL_API=1 -UCOGL_COMPILATION -D__COGL_H_INSIDE__ -D__COGL_XLIB_H_INSIDE__ -DCOGL_GIR_SCANNING +@HAVE_INTROSPECTION_TRUE@Cogl_2_0_gir_INCLUDES = GL-1.0 GObject-2.0 +@HAVE_INTROSPECTION_TRUE@Cogl_2_0_gir_EXPORT_PACKAGES = cogl-2.0-experimental +@HAVE_INTROSPECTION_TRUE@Cogl_2_0_gir_SCANNERFLAGS = --warn-all --c-include='cogl/cogl.h' --symbol-prefix=cogl --symbol-prefix=cogl2 +@HAVE_INTROSPECTION_TRUE@girdir = $(datadir)/gir-1.0 +@HAVE_INTROSPECTION_TRUE@gir_DATA = $(INTROSPECTION_GIRS) +@HAVE_INTROSPECTION_TRUE@typelibdir = $(libdir)/girepository-1.0 +@HAVE_INTROSPECTION_TRUE@typelib_DATA = $(INTROSPECTION_GIRS:.gir=.typelib) +all: $(BUILT_SOURCES) + $(MAKE) $(AM_MAKEFLAGS) all-recursive + +.SUFFIXES: +.SUFFIXES: .c .lo .o .obj +$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(top_srcdir)/build/autotools/Makefile.am.silent $(top_srcdir)/build/autotools/Makefile.am.enums $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \ + && { if test -f $@; then exit 0; else break; fi; }; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign cogl/Makefile'; \ + $(am__cd) $(top_srcdir) && \ + $(AUTOMAKE) --foreign cogl/Makefile +.PRECIOUS: Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \ + esac; +$(top_srcdir)/build/autotools/Makefile.am.silent $(top_srcdir)/build/autotools/Makefile.am.enums: + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(am__aclocal_m4_deps): +cogl-1.0.pc: $(top_builddir)/config.status $(srcdir)/cogl-1.0.pc.in + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ +cogl-2.0-experimental.pc: $(top_builddir)/config.status $(srcdir)/cogl-2.0-experimental.pc.in + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ +cogl-defines.h: $(top_builddir)/config.status $(srcdir)/cogl-defines.h.in + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ +cogl-defines.h.win32: $(top_builddir)/config.status $(srcdir)/cogl-defines.h.win32.in + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ +cogl-defines.h.win32_SDL: $(top_builddir)/config.status $(srcdir)/cogl-defines.h.win32_SDL.in + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ +cogl-gl-header.h: $(top_builddir)/config.status $(srcdir)/cogl-gl-header.h.in + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ +cogl-egl-defines.h: $(top_builddir)/config.status $(srcdir)/cogl-egl-defines.h.in + cd $(top_builddir) && $(SHELL) ./config.status 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require special tools to rebuild." + -test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES) +clean: clean-recursive + +clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \ + clean-noinstLTLIBRARIES mostlyclean-am + +distclean: distclean-recursive + -rm -rf ./$(DEPDIR) + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-recursive + +dvi-am: + +html: html-recursive + +html-am: + +info: info-recursive + +info-am: + +install-data-am: install-cogl_proto_includeHEADERS \ + install-cogldeprecatedincludeHEADERS \ + install-coglincludeHEADERS install-girDATA \ + install-nodist_coglincludeHEADERS install-pkgconfigDATA \ + install-typelibDATA + +install-dvi: install-dvi-recursive + +install-dvi-am: + +install-exec-am: install-libLTLIBRARIES + +install-html: install-html-recursive + +install-html-am: + +install-info: install-info-recursive + +install-info-am: + +install-man: + +install-pdf: install-pdf-recursive + +install-pdf-am: + +install-ps: install-ps-recursive + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-recursive + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-recursive + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-recursive + +pdf-am: + +ps: ps-recursive + +ps-am: + +uninstall-am: uninstall-cogl_proto_includeHEADERS \ + uninstall-cogldeprecatedincludeHEADERS \ + uninstall-coglincludeHEADERS uninstall-girDATA \ + uninstall-libLTLIBRARIES uninstall-nodist_coglincludeHEADERS \ + uninstall-pkgconfigDATA uninstall-typelibDATA + +.MAKE: $(am__recursive_targets) all check install install-am \ + install-strip + +.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am check \ + check-am clean clean-generic clean-libLTLIBRARIES \ + clean-libtool clean-noinstLTLIBRARIES cscopelist-am ctags \ + ctags-am dist-hook distclean distclean-compile \ + distclean-generic distclean-libtool distclean-tags distdir dvi \ + dvi-am html html-am info info-am install install-am \ + install-cogl_proto_includeHEADERS \ + install-cogldeprecatedincludeHEADERS \ + install-coglincludeHEADERS install-data install-data-am \ + install-dvi install-dvi-am install-exec install-exec-am \ + install-girDATA install-html install-html-am install-info \ + install-info-am install-libLTLIBRARIES install-man \ + install-nodist_coglincludeHEADERS install-pdf install-pdf-am \ + install-pkgconfigDATA install-ps install-ps-am install-strip \ + install-typelibDATA installcheck installcheck-am installdirs \ + installdirs-am maintainer-clean maintainer-clean-generic \ + mostlyclean mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \ + uninstall-am uninstall-cogl_proto_includeHEADERS \ + uninstall-cogldeprecatedincludeHEADERS \ + uninstall-coglincludeHEADERS uninstall-girDATA \ + uninstall-libLTLIBRARIES uninstall-nodist_coglincludeHEADERS \ + uninstall-pkgconfigDATA uninstall-typelibDATA + + +@USE_GLIB_FALSE@ AM_CPPFLAGS += -I$(top_builddir)/deps/glib + +cogl-gl-1.0.pc: cogl-1.0.pc + $(QUIET_GEN)cp -f $< $(@F) + +# Basic sanity checks +$(if $(GLIB_MKENUMS),,$(error Need to define GLIB_MKENUMS)) + +$(if $(or $(glib_enum_h), \ + $(glib_enum_c)),, \ + $(error Need to define glib_enum_h and glib_enum_c)) + +$(if $(glib_enum_headers),,$(error Need to define glib_enum_headers)) + +stamp-enum-types: $(glib_enum_headers) $(enum_tmpl_h) + $(AM_V_GEN)$(GLIB_MKENUMS) \ + --template $(enum_tmpl_h) \ + $(glib_enum_headers) > xgen-eh \ + && (cmp -s xgen-eh $(glib_enum_h) || cp -f xgen-eh $(glib_enum_h)) \ + && rm -f xgen-eh \ + && echo timestamp > $(@F) + +$(glib_enum_h): stamp-enum-types + @true + +$(glib_enum_c): $(glib_enum_headers) $(glib_enum_h) $(enum_tmpl_c) + $(AM_V_GEN)$(GLIB_MKENUMS) \ + --template $(enum_tmpl_c) \ + $(glib_enum_headers) > xgen-ec \ + && cp -f xgen-ec $(glib_enum_c) \ + && rm -f xgen-ec + +dist-hook: ../build/win32/vs9/cogl.vcproj ../build/win32/vs10/cogl.vcxproj ../build/win32/vs10/cogl.vcxproj.filters ../build/win32/gen-enums.bat + +# I know those filters below don't look nice, but this is to ensure the right files are in the Project files only *once* +../build/win32/vs9/cogl.vcproj: $(top_srcdir)/build/win32/vs9/cogl.vcprojin + for F in `echo $(cogl_sources_c) $(BUILT_SOURCES) | tr '/' '\\'`; do \ + case $$F in \ + *-egl.c|*-egl-*.c|*-glx.c|*-xlib*.c|*-x11.c|*.wgl.c|*-gl.c|*-gles.c|*-kms.c|*-sdl.c|*.h) ;; \ + *.c) echo ' ' \ + ;; \ + esac; \ + done >cogl.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs9/cogl.vcprojin >$@ + rm cogl.sourcefiles + +../build/win32/vs10/cogl.vcxproj: $(top_srcdir)/build/win32/vs10/cogl.vcxprojin + for F in `echo $(cogl_sources_c) $(BUILT_SOURCES) | tr '/' '\\'`; do \ + case $$F in \ + *-egl.c|*-egl-*.c|*-glx.c|*-xlib*.c|*-x11.c|*.wgl.c|*-gl.c|*-gles.c|*-kms.c|*-sdl.c|*.h) ;; \ + *.c) echo ' ' \ + ;; \ + esac; \ + done >cogl.vs10.sourcefiles + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/cogl.vcxprojin >$@ + rm cogl.vs10.sourcefiles + +../build/win32/vs10/cogl.vcxproj.filters: $(top_srcdir)/build/win32/vs10/cogl.vcxproj.filtersin + for F in `echo $(cogl_sources_c) $(BUILT_SOURCES) | tr '/' '\\'`; do \ + case $$F in \ + *-egl.c|*-egl-*.c|*-glx.c|*-xlib*.c|*-x11.c|*.wgl.c|*-gl.c|*-gles.c|*-kms.c|*-sdl.c|*.h) ;; \ + *.c) echo ' Sources' \ + ;; \ + esac; \ + done >cogl.vs10.sourcefiles.filters + $(CPP) -P - <$(top_srcdir)/build/win32/vs10/cogl.vcxproj.filtersin >$@ + rm cogl.vs10.sourcefiles.filters + +cogl.vsenums_h: + echo 'perl %1\bin\glib-mkenums --template ../../cogl/cogl-enum-types.h.in ' >vsenums_h.temp1 + for F in `echo $(cogl_1_public_h) $(srcdir)/cogl-win32-renderer.h`; do \ + case $$F in \ + *xlib*.h|*wayland*.h) ;; \ + *.h) echo '../../cogl'$$F' ' \ + ;; \ + esac; \ + done >>vsenums_h.temp1 + cat vsenums_h.temp1 | sed 's_/cogl./_/cogl/_' >vsenums_h.temp + cat vsenums_h.temp | tr -d '\n' >>$@ + echo '> ..\..\cogl\cogl-enum-types.h' >>$@ + rm vsenums_h.temp1 + rm vsenums_h.temp + +cogl.vsenums_c: + echo 'perl %1\bin\glib-mkenums --template ../../cogl/cogl-enum-types.c.in ' >vsenums_c.temp1 + for F in `echo $(cogl_1_public_h) $(srcdir)/cogl-win32-renderer.h`; do \ + case $$F in \ + *xlib*.h|*wayland*.h) ;; \ + *.h) echo '../../cogl'$$F' ' \ + ;; \ + esac; \ + done >>vsenums_c.temp1 + cat vsenums_c.temp1 | sed 's_/cogl./_/cogl/_' >vsenums_c.temp + cat vsenums_c.temp | tr -d '\n' >>$@ + echo '> ..\..\cogl\cogl-enum-types.c' >>$@ + rm vsenums_c.temp1 + rm vsenums_c.temp + +../build/win32/gen-enums.bat: cogl.vsenums_h cogl.vsenums_c + echo 'if exist ..\..\cogl\cogl-enum-types.h goto DONE_COGL_ENUMS_H' >$@ + cat cogl.vsenums_h >>$@ + echo ':DONE_COGL_ENUMS_H' >>$@ + echo 'if exist ..\..\cogl\cogl-enum-types.c goto DONE_COGL_ENUMS_C' >>$@ + cat cogl.vsenums_c >>$@ + echo ':DONE_COGL_ENUMS_C' >>$@ + rm cogl.vsenums_h + rm cogl.vsenums_c + +-include $(INTROSPECTION_MAKEFILE) + +@HAVE_INTROSPECTION_TRUE@Cogl-1.0.gir: libcogl.la Makefile + +@HAVE_INTROSPECTION_TRUE@Cogl-2.0.gir: libcogl.la Makefile + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/cogl/cogl-1.0.pc.in b/cogl/cogl-1.0.pc.in new file mode 100644 index 0000000..cb1cdb5 --- /dev/null +++ b/cogl/cogl-1.0.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=1.0 +requires=@COGL_PKG_REQUIRES@ + +Name: Cogl +Description: An object oriented GL/GLES Abstraction/Utility Layer +Version: @COGL_1_VERSION@ +Libs: -L${libdir} -lcogl +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl/cogl-2.0-experimental.pc.in b/cogl/cogl-2.0-experimental.pc.in new file mode 100644 index 0000000..93eaf31 --- /dev/null +++ b/cogl/cogl-2.0-experimental.pc.in @@ -0,0 +1,13 @@ +prefix=@prefix@ +exec_prefix=@exec_prefix@ +libdir=@libdir@ +includedir=@includedir@ +apiversion=@COGL_API_VERSION@ +requires=@COGL_PKG_REQUIRES@ + +Name: Cogl +Description: An object oriented GL/GLES Abstraction/Utility Layer +Version: @COGL_VERSION@ +Libs: -L${libdir} -lcogl +Cflags: -I${includedir}/cogl +Requires: ${requires} diff --git a/cogl/cogl-atlas-texture-private.h b/cogl/cogl-atlas-texture-private.h new file mode 100644 index 0000000..ba83bf9 --- /dev/null +++ b/cogl/cogl-atlas-texture-private.h @@ -0,0 +1,81 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef _COGL_ATLAS_TEXTURE_PRIVATE_H_ +#define _COGL_ATLAS_TEXTURE_PRIVATE_H_ + +#include "cogl-object-private.h" +#include "cogl-texture-private.h" +#include "cogl-rectangle-map.h" +#include "cogl-atlas.h" +#include "cogl-atlas-texture.h" + +struct _CoglAtlasTexture +{ + CoglTexture _parent; + + /* The format that the texture is in. This isn't necessarily the + same format as the atlas texture because we can store + pre-multiplied and non-pre-multiplied textures together */ + CoglPixelFormat internal_format; + + /* The rectangle that was used to add this texture to the + atlas. This includes the 1-pixel border */ + CoglRectangleMapEntry rectangle; + + /* The atlas that this texture is in. If the texture is no longer in + an atlas then this will be NULL. A reference is taken on the + atlas by the texture (but not vice versa so there is no cycle) */ + CoglAtlas *atlas; + + /* Either a CoglSubTexture representing the atlas region for easy + * rendering or if the texture has been migrated out of the atlas it + * may be some other texture type such as CoglTexture2D */ + CoglTexture *sub_texture; +}; + +CoglAtlasTexture * +_cogl_atlas_texture_new_from_bitmap (CoglBitmap *bmp, + CoglBool can_convert_in_place); + +void +_cogl_atlas_texture_add_reorganize_callback (CoglContext *ctx, + GHookFunc callback, + void *user_data); + +void +_cogl_atlas_texture_remove_reorganize_callback (CoglContext *ctx, + GHookFunc callback, + void *user_data); + +CoglBool +_cogl_is_atlas_texture (void *object); + +#endif /* _COGL_ATLAS_TEXTURE_PRIVATE_H_ */ diff --git a/cogl/cogl-atlas-texture.c b/cogl/cogl-atlas-texture.c new file mode 100644 index 0000000..1c8b569 --- /dev/null +++ b/cogl/cogl-atlas-texture.c @@ -0,0 +1,1047 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009,2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-debug.h" +#include "cogl-util.h" +#include "cogl-texture-private.h" +#include "cogl-atlas-texture-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-sub-texture-private.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-texture-driver.h" +#include "cogl-rectangle-map.h" +#include "cogl-journal-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-atlas.h" +#include "cogl1-context.h" +#include "cogl-sub-texture.h" +#include "cogl-error-private.h" +#include "cogl-texture-gl-private.h" +#include "cogl-gtype-private.h" + +#include + +static void _cogl_atlas_texture_free (CoglAtlasTexture *sub_tex); + +COGL_TEXTURE_DEFINE (AtlasTexture, atlas_texture); +COGL_GTYPE_DEFINE_CLASS (AtlasTexture, atlas_texture); + +static const CoglTextureVtable cogl_atlas_texture_vtable; + +static CoglSubTexture * +_cogl_atlas_texture_create_sub_texture (CoglTexture *full_texture, + const CoglRectangleMapEntry *rectangle) +{ + CoglContext *ctx = full_texture->context; + /* Create a subtexture for the given rectangle not including the + 1-pixel border */ + return cogl_sub_texture_new (ctx, + full_texture, + rectangle->x + 1, + rectangle->y + 1, + rectangle->width - 2, + rectangle->height - 2); +} + +static void +_cogl_atlas_texture_update_position_cb (void *user_data, + CoglTexture *new_texture, + const CoglRectangleMapEntry *rectangle) +{ + CoglAtlasTexture *atlas_tex = user_data; + + /* Update the sub texture */ + if (atlas_tex->sub_texture) + cogl_object_unref (atlas_tex->sub_texture); + atlas_tex->sub_texture = COGL_TEXTURE ( + _cogl_atlas_texture_create_sub_texture (new_texture, rectangle)); + + /* Update the position */ + atlas_tex->rectangle = *rectangle; +} + +static void +_cogl_atlas_texture_pre_reorganize_foreach_cb + (const CoglRectangleMapEntry *entry, + void *rectangle_data, + void *user_data) +{ + CoglAtlasTexture *atlas_tex = rectangle_data; + + /* Keep a reference to the texture because we don't want it to be + destroyed during the reorganization */ + cogl_object_ref (atlas_tex); + + /* Notify cogl-pipeline.c that the texture's underlying GL texture + * storage is changing so it knows it may need to bind a new texture + * if the CoglTexture is reused with the same texture unit. */ + _cogl_pipeline_texture_storage_change_notify (COGL_TEXTURE (atlas_tex)); +} + +static void +_cogl_atlas_texture_pre_reorganize_cb (void *data) +{ + CoglAtlas *atlas = data; + + /* We don't know if any journal entries currently depend on OpenGL + * texture coordinates that would be invalidated by reorganizing + * this atlas so we flush all journals before migrating. + * + * We are assuming that texture atlas migration never happens + * during a flush so we don't have to consider recursion here. + */ + cogl_flush (); + + if (atlas->map) + _cogl_rectangle_map_foreach (atlas->map, + _cogl_atlas_texture_pre_reorganize_foreach_cb, + NULL); +} + +typedef struct +{ + CoglAtlasTexture **textures; + /* Number of textures found so far */ + unsigned int n_textures; +} CoglAtlasTextureGetRectanglesData; + +static void +_cogl_atlas_texture_get_rectangles_cb (const CoglRectangleMapEntry *entry, + void *rectangle_data, + void *user_data) +{ + CoglAtlasTextureGetRectanglesData *data = user_data; + + data->textures[data->n_textures++] = rectangle_data; +} + +static void +_cogl_atlas_texture_post_reorganize_cb (void *user_data) +{ + CoglAtlas *atlas = user_data; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (atlas->map) + { + CoglAtlasTextureGetRectanglesData data; + unsigned int i; + + data.textures = g_new (CoglAtlasTexture *, + _cogl_rectangle_map_get_n_rectangles (atlas->map)); + data.n_textures = 0; + + /* We need to remove all of the references that we took during + the preorganize callback. We have to get a separate array of + the textures because CoglRectangleMap doesn't support + removing rectangles during iteration */ + _cogl_rectangle_map_foreach (atlas->map, + _cogl_atlas_texture_get_rectangles_cb, + &data); + + for (i = 0; i < data.n_textures; i++) + { + /* Ignore textures that don't have an atlas yet. This will + happen when a new texture is added because we allocate + the structure for the texture so that it can get stored + in the atlas but it isn't a valid object yet */ + if (data.textures[i]->atlas) + cogl_object_unref (data.textures[i]); + } + + g_free (data.textures); + } + + /* Notify any listeners that an atlas has changed */ + g_hook_list_invoke (&ctx->atlas_reorganize_callbacks, FALSE); +} + +static void +_cogl_atlas_texture_atlas_destroyed_cb (void *user_data) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* Remove the atlas from the global list */ + ctx->atlases = g_slist_remove (ctx->atlases, user_data); +} + +static CoglAtlas * +_cogl_atlas_texture_create_atlas (CoglContext *ctx) +{ + static CoglUserDataKey atlas_private_key; + + CoglAtlas *atlas = _cogl_atlas_new (COGL_PIXEL_FORMAT_RGBA_8888, + 0, + _cogl_atlas_texture_update_position_cb); + + _cogl_atlas_add_reorganize_callback (atlas, + _cogl_atlas_texture_pre_reorganize_cb, + _cogl_atlas_texture_post_reorganize_cb, + atlas); + + ctx->atlases = g_slist_prepend (ctx->atlases, atlas); + + /* Set some data on the atlas so we can get notification when it is + destroyed in order to remove it from the list. ctx->atlases + effectively holds a weak reference. We don't need a strong + reference because the atlas textures take a reference on the + atlas so it will stay alive */ + cogl_object_set_user_data (COGL_OBJECT (atlas), &atlas_private_key, atlas, + _cogl_atlas_texture_atlas_destroyed_cb); + + return atlas; +} + +static void +_cogl_atlas_texture_foreach_sub_texture_in_region ( + CoglTexture *tex, + float virtual_tx_1, + float virtual_ty_1, + float virtual_tx_2, + float virtual_ty_2, + CoglMetaTextureCallback callback, + void *user_data) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + CoglMetaTexture *meta_texture = COGL_META_TEXTURE (atlas_tex->sub_texture); + + /* Forward on to the sub texture */ + cogl_meta_texture_foreach_in_region (meta_texture, + virtual_tx_1, + virtual_ty_1, + virtual_tx_2, + virtual_ty_2, + COGL_PIPELINE_WRAP_MODE_REPEAT, + COGL_PIPELINE_WRAP_MODE_REPEAT, + callback, + user_data); +} + +static void +_cogl_atlas_texture_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Forward on to the sub texture */ + _cogl_texture_gl_flush_legacy_texobj_wrap_modes (atlas_tex->sub_texture, + wrap_mode_s, + wrap_mode_t, + wrap_mode_p); +} + +static void +_cogl_atlas_texture_remove_from_atlas (CoglAtlasTexture *atlas_tex) +{ + if (atlas_tex->atlas) + { + _cogl_atlas_remove (atlas_tex->atlas, + &atlas_tex->rectangle); + + cogl_object_unref (atlas_tex->atlas); + atlas_tex->atlas = NULL; + } +} + +static void +_cogl_atlas_texture_free (CoglAtlasTexture *atlas_tex) +{ + _cogl_atlas_texture_remove_from_atlas (atlas_tex); + + if (atlas_tex->sub_texture) + cogl_object_unref (atlas_tex->sub_texture); + + /* Chain up */ + _cogl_texture_free (COGL_TEXTURE (atlas_tex)); +} + +static int +_cogl_atlas_texture_get_max_waste (CoglTexture *tex) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Forward on to the sub texture */ + return cogl_texture_get_max_waste (atlas_tex->sub_texture); +} + +static CoglBool +_cogl_atlas_texture_is_sliced (CoglTexture *tex) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Forward on to the sub texture */ + return cogl_texture_is_sliced (atlas_tex->sub_texture); +} + +static CoglBool +_cogl_atlas_texture_can_hardware_repeat (CoglTexture *tex) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Forward on to the sub texture */ + return _cogl_texture_can_hardware_repeat (atlas_tex->sub_texture); +} + +static void +_cogl_atlas_texture_transform_coords_to_gl (CoglTexture *tex, + float *s, + float *t) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Forward on to the sub texture */ + _cogl_texture_transform_coords_to_gl (atlas_tex->sub_texture, s, t); +} + +static CoglTransformResult +_cogl_atlas_texture_transform_quad_coords_to_gl (CoglTexture *tex, + float *coords) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Forward on to the sub texture */ + return _cogl_texture_transform_quad_coords_to_gl (atlas_tex->sub_texture, + coords); +} + +static CoglBool +_cogl_atlas_texture_get_gl_texture (CoglTexture *tex, + GLuint *out_gl_handle, + GLenum *out_gl_target) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Forward on to the sub texture */ + return cogl_texture_get_gl_texture (atlas_tex->sub_texture, + out_gl_handle, + out_gl_target); +} + +static void +_cogl_atlas_texture_gl_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Forward on to the sub texture */ + _cogl_texture_gl_flush_legacy_texobj_filters (atlas_tex->sub_texture, + min_filter, mag_filter); +} + +static void +_cogl_atlas_texture_migrate_out_of_atlas (CoglAtlasTexture *atlas_tex) +{ + CoglTexture *standalone_tex; + + /* Make sure this texture is not in the atlas */ + if (!atlas_tex->atlas) + return; + + COGL_NOTE (ATLAS, "Migrating texture out of the atlas"); + + /* We don't know if any journal entries currently depend on + * OpenGL texture coordinates that would be invalidated by + * migrating textures in this atlas so we flush all journals + * before migrating. + * + * We are assuming that texture atlas migration never happens + * during a flush so we don't have to consider recursion here. + */ + cogl_flush (); + + standalone_tex = + _cogl_atlas_copy_rectangle (atlas_tex->atlas, + atlas_tex->rectangle.x + 1, + atlas_tex->rectangle.y + 1, + atlas_tex->rectangle.width - 2, + atlas_tex->rectangle.height - 2, + atlas_tex->internal_format); + /* Note: we simply silently ignore failures to migrate a texture + * out (most likely due to lack of memory) and hope for the + * best. + * + * Maybe we should find a way to report the problem back to the + * app. + */ + if (!standalone_tex) + return; + + /* Notify cogl-pipeline.c that the texture's underlying GL texture + * storage is changing so it knows it may need to bind a new texture + * if the CoglTexture is reused with the same texture unit. */ + _cogl_pipeline_texture_storage_change_notify (COGL_TEXTURE (atlas_tex)); + + /* We need to unref the sub texture after doing the copy because + the copy can involve rendering which might cause the texture + to be used if it is used from a layer that is left in a + texture unit */ + cogl_object_unref (atlas_tex->sub_texture); + atlas_tex->sub_texture = standalone_tex; + + _cogl_atlas_texture_remove_from_atlas (atlas_tex); +} + +static void +_cogl_atlas_texture_pre_paint (CoglTexture *tex, CoglTexturePrePaintFlags flags) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + if ((flags & COGL_TEXTURE_NEEDS_MIPMAP)) + /* Mipmaps do not work well with the current atlas so instead + we'll just migrate the texture out and use a regular texture */ + _cogl_atlas_texture_migrate_out_of_atlas (atlas_tex); + + /* Forward on to the sub texture */ + _cogl_texture_pre_paint (atlas_tex->sub_texture, flags); +} + +static void +_cogl_atlas_texture_ensure_non_quad_rendering (CoglTexture *tex) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Sub textures can't support non-quad rendering so we'll just + migrate the texture out */ + _cogl_atlas_texture_migrate_out_of_atlas (atlas_tex); + + /* Forward on to the sub texture */ + _cogl_texture_ensure_non_quad_rendering (atlas_tex->sub_texture); +} + +static CoglBool +_cogl_atlas_texture_set_region_with_border (CoglAtlasTexture *atlas_tex, + int src_x, + int src_y, + int dst_x, + int dst_y, + int dst_width, + int dst_height, + CoglBitmap *bmp, + CoglError **error) +{ + CoglAtlas *atlas = atlas_tex->atlas; + + /* Copy the central data */ + if (!_cogl_texture_set_region_from_bitmap (atlas->texture, + src_x, src_y, + dst_width, + dst_height, + bmp, + dst_x + atlas_tex->rectangle.x + 1, + dst_y + atlas_tex->rectangle.y + 1, + 0, /* level 0 */ + error)) + return FALSE; + + /* Update the left edge pixels */ + if (dst_x == 0 && + !_cogl_texture_set_region_from_bitmap (atlas->texture, + src_x, src_y, + 1, dst_height, + bmp, + atlas_tex->rectangle.x, + dst_y + atlas_tex->rectangle.y + 1, + 0, /* level 0 */ + error)) + return FALSE; + /* Update the right edge pixels */ + if (dst_x + dst_width == atlas_tex->rectangle.width - 2 && + !_cogl_texture_set_region_from_bitmap (atlas->texture, + src_x + dst_width - 1, src_y, + 1, dst_height, + bmp, + atlas_tex->rectangle.x + + atlas_tex->rectangle.width - 1, + dst_y + atlas_tex->rectangle.y + 1, + 0, /* level 0 */ + error)) + return FALSE; + /* Update the top edge pixels */ + if (dst_y == 0 && + !_cogl_texture_set_region_from_bitmap (atlas->texture, + src_x, src_y, + dst_width, 1, + bmp, + dst_x + atlas_tex->rectangle.x + 1, + atlas_tex->rectangle.y, + 0, /* level 0 */ + error)) + return FALSE; + /* Update the bottom edge pixels */ + if (dst_y + dst_height == atlas_tex->rectangle.height - 2 && + !_cogl_texture_set_region_from_bitmap (atlas->texture, + src_x, src_y + dst_height - 1, + dst_width, 1, + bmp, + dst_x + atlas_tex->rectangle.x + 1, + atlas_tex->rectangle.y + + atlas_tex->rectangle.height - 1, + 0, /* level 0 */ + error)) + return FALSE; + + return TRUE; +} + +static CoglBitmap * +_cogl_atlas_texture_convert_bitmap_for_upload (CoglAtlasTexture *atlas_tex, + CoglBitmap *bmp, + CoglPixelFormat internal_format, + CoglBool can_convert_in_place, + CoglError **error) +{ + CoglBitmap *upload_bmp; + CoglBitmap *override_bmp; + + /* We'll prepare to upload using the format of the actual texture of + the atlas texture instead of the format reported by + _cogl_texture_get_format which would be the original internal + format specified when the texture was created. However we'll + preserve the premult status of the internal format because the + images are all stored in the original premult format of the + orignal format so we do need to trigger the conversion */ + + internal_format = (COGL_PIXEL_FORMAT_RGBA_8888 | + (internal_format & COGL_PREMULT_BIT)); + + upload_bmp = _cogl_bitmap_convert_for_upload (bmp, + internal_format, + can_convert_in_place, + error); + if (upload_bmp == NULL) + return NULL; + + /* We'll create another bitmap which uses the same data but + overrides the format to remove the premult flag so that uploads + to the atlas texture won't trigger the conversion again */ + + override_bmp = + _cogl_bitmap_new_shared (upload_bmp, + cogl_bitmap_get_format (upload_bmp) & + ~COGL_PREMULT_BIT, + cogl_bitmap_get_width (upload_bmp), + cogl_bitmap_get_height (upload_bmp), + cogl_bitmap_get_rowstride (upload_bmp)); + + cogl_object_unref (upload_bmp); + + return override_bmp; +} + +static CoglBool +_cogl_atlas_texture_set_region (CoglTexture *tex, + int src_x, + int src_y, + int dst_x, + int dst_y, + int dst_width, + int dst_height, + int level, + CoglBitmap *bmp, + CoglError **error) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + if (level != 0 && atlas_tex->atlas) + _cogl_atlas_texture_migrate_out_of_atlas (atlas_tex); + + /* If the texture is in the atlas then we need to copy the edge + pixels to the border */ + if (atlas_tex->atlas) + { + CoglBool ret; + CoglBitmap *upload_bmp = + _cogl_atlas_texture_convert_bitmap_for_upload (atlas_tex, + bmp, + atlas_tex->internal_format, + FALSE, /* can't convert + in place */ + error); + if (!upload_bmp) + return FALSE; + + /* Upload the data ignoring the premult bit */ + ret = _cogl_atlas_texture_set_region_with_border (atlas_tex, + src_x, src_y, + dst_x, dst_y, + dst_width, dst_height, + upload_bmp, + error); + + cogl_object_unref (upload_bmp); + + return ret; + } + else + /* Otherwise we can just forward on to the sub texture */ + return _cogl_texture_set_region_from_bitmap (atlas_tex->sub_texture, + src_x, src_y, + dst_width, dst_height, + bmp, + dst_x, dst_y, + level, + error); +} + +static CoglPixelFormat +_cogl_atlas_texture_get_format (CoglTexture *tex) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* We don't want to forward this on the sub-texture because it isn't + the necessarily the same format. This will happen if the texture + isn't pre-multiplied */ + return atlas_tex->internal_format; +} + +static GLenum +_cogl_atlas_texture_get_gl_format (CoglTexture *tex) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + + /* Forward on to the sub texture */ + return _cogl_texture_gl_get_format (atlas_tex->sub_texture); +} + +static CoglBool +_cogl_atlas_texture_can_use_format (CoglPixelFormat format) +{ + /* We don't care about the ordering or the premult status and we can + accept RGBA or RGB textures. Although we could also accept + luminance and alpha only textures or 16-bit formats it seems that + if the application is explicitly using these formats then they've + got a reason to want the lower memory requirements so putting + them in the atlas might not be a good idea */ + format &= ~(COGL_PREMULT_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT); + return (format == COGL_PIXEL_FORMAT_RGB_888 || + format == COGL_PIXEL_FORMAT_RGBA_8888); +} + +static CoglAtlasTexture * +_cogl_atlas_texture_create_base (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format, + CoglTextureLoader *loader) +{ + CoglAtlasTexture *atlas_tex; + + COGL_NOTE (ATLAS, "Adding texture of size %ix%i", width, height); + + /* We need to allocate the texture now because we need the pointer + to set as the data for the rectangle in the atlas */ + atlas_tex = g_new0 (CoglAtlasTexture, 1); + /* Mark it as having no atlas so we don't try to unref it in + _cogl_atlas_texture_post_reorganize_cb */ + atlas_tex->atlas = NULL; + + _cogl_texture_init (COGL_TEXTURE (atlas_tex), + ctx, + width, height, + internal_format, + loader, + &cogl_atlas_texture_vtable); + + atlas_tex->sub_texture = NULL; + + atlas_tex->atlas = NULL; + + return _cogl_atlas_texture_object_new (atlas_tex); +} + +CoglAtlasTexture * +cogl_atlas_texture_new_with_size (CoglContext *ctx, + int width, + int height) +{ + CoglTextureLoader *loader; + + /* We can't atlas zero-sized textures because it breaks the atlas + * data structure */ + _COGL_RETURN_VAL_IF_FAIL (width > 0 && height > 0, NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_SIZED; + loader->src.sized.width = width; + loader->src.sized.height = height; + + return _cogl_atlas_texture_create_base (ctx, width, height, + COGL_PIXEL_FORMAT_RGBA_8888_PRE, + loader); +} + +static CoglBool +allocate_space (CoglAtlasTexture *atlas_tex, + int width, + int height, + CoglPixelFormat internal_format, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (atlas_tex); + CoglContext *ctx = tex->context; + CoglAtlas *atlas; + GSList *l; + + /* If the texture is in a strange format then we won't use it */ + if (!_cogl_atlas_texture_can_use_format (internal_format)) + { + COGL_NOTE (ATLAS, "Texture can not be added because the " + "format is unsupported"); + _cogl_set_error (error, + COGL_TEXTURE_ERROR, + COGL_TEXTURE_ERROR_FORMAT, + "Texture format unsuitable for atlasing"); + return FALSE; + } + + /* If we can't use FBOs then it will be too slow to migrate textures + and we shouldn't use the atlas */ + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN)) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Atlasing disabled because migrations " + "would be too slow"); + return FALSE; + } + + /* Look for an existing atlas that can hold the texture */ + for (l = ctx->atlases; l; l = l->next) + { + /* We need to take a reference on the atlas before trying to + * reserve space because in some circumstances atlas migration + * can cause the atlas to be freed */ + atlas = cogl_object_ref (l->data); + /* Try to make some space in the atlas for the texture */ + if (_cogl_atlas_reserve_space (atlas, + /* Add two pixels for the border */ + width + 2, height + 2, + atlas_tex)) + { + /* keep the atlas reference */ + break; + } + else + { + cogl_object_unref (atlas); + } + } + + /* If we couldn't find a suitable atlas then start another */ + if (l == NULL) + { + atlas = _cogl_atlas_texture_create_atlas (ctx); + COGL_NOTE (ATLAS, "Created new atlas for textures: %p", atlas); + if (!_cogl_atlas_reserve_space (atlas, + /* Add two pixels for the border */ + width + 2, height + 2, + atlas_tex)) + { + /* Ok, this means we really can't add it to the atlas */ + cogl_object_unref (atlas); + + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_NO_MEMORY, + "Not enough memory to atlas texture"); + return FALSE; + } + } + + atlas_tex->internal_format = internal_format; + + atlas_tex->atlas = atlas; + + return TRUE; +} + +static CoglBool +allocate_with_size (CoglAtlasTexture *atlas_tex, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (atlas_tex); + CoglPixelFormat internal_format = + _cogl_texture_determine_internal_format (tex, COGL_PIXEL_FORMAT_ANY); + + if (allocate_space (atlas_tex, + loader->src.sized.width, + loader->src.sized.height, + internal_format, + error)) + { + _cogl_texture_set_allocated (COGL_TEXTURE (atlas_tex), + internal_format, + loader->src.sized.width, + loader->src.sized.height); + return TRUE; + } + else + return FALSE; +} + +static CoglBool +allocate_from_bitmap (CoglAtlasTexture *atlas_tex, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (atlas_tex); + CoglBitmap *bmp = loader->src.bitmap.bitmap; + CoglPixelFormat bmp_format = cogl_bitmap_get_format (bmp); + int width = cogl_bitmap_get_width (bmp); + int height = cogl_bitmap_get_height (bmp); + CoglBool can_convert_in_place = loader->src.bitmap.can_convert_in_place; + CoglPixelFormat internal_format; + CoglBitmap *upload_bmp; + + _COGL_RETURN_VAL_IF_FAIL (atlas_tex->atlas == NULL, FALSE); + + internal_format = _cogl_texture_determine_internal_format (tex, bmp_format); + + upload_bmp = + _cogl_atlas_texture_convert_bitmap_for_upload (atlas_tex, + bmp, + internal_format, + can_convert_in_place, + error); + if (upload_bmp == NULL) + return FALSE; + + if (!allocate_space (atlas_tex, + width, + height, + internal_format, + error)) + { + cogl_object_unref (upload_bmp); + return FALSE; + } + + /* Defer to set_region so that we can share the code for copying the + edge pixels to the border. */ + if (!_cogl_atlas_texture_set_region_with_border (atlas_tex, + 0, /* src_x */ + 0, /* src_y */ + 0, /* dst_x */ + 0, /* dst_y */ + width, /* dst_width */ + height, /* dst_height */ + upload_bmp, + error)) + { + _cogl_atlas_texture_remove_from_atlas (atlas_tex); + cogl_object_unref (upload_bmp); + return FALSE; + } + + cogl_object_unref (upload_bmp); + + _cogl_texture_set_allocated (tex, internal_format, width, height); + + return TRUE; +} + +static CoglBool +_cogl_atlas_texture_allocate (CoglTexture *tex, + CoglError **error) +{ + CoglAtlasTexture *atlas_tex = COGL_ATLAS_TEXTURE (tex); + CoglTextureLoader *loader = tex->loader; + + _COGL_RETURN_VAL_IF_FAIL (loader, FALSE); + + switch (loader->src_type) + { + case COGL_TEXTURE_SOURCE_TYPE_SIZED: + return allocate_with_size (atlas_tex, loader, error); + case COGL_TEXTURE_SOURCE_TYPE_BITMAP: + return allocate_from_bitmap (atlas_tex, loader, error); + default: + break; + } + + g_return_val_if_reached (FALSE); +} + +CoglAtlasTexture * +_cogl_atlas_texture_new_from_bitmap (CoglBitmap *bmp, + CoglBool can_convert_in_place) +{ + CoglTextureLoader *loader; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_bitmap (bmp), NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_BITMAP; + loader->src.bitmap.bitmap = cogl_object_ref (bmp); + loader->src.bitmap.can_convert_in_place = can_convert_in_place; + + return _cogl_atlas_texture_create_base (_cogl_bitmap_get_context (bmp), + cogl_bitmap_get_width (bmp), + cogl_bitmap_get_height (bmp), + cogl_bitmap_get_format (bmp), + loader); +} + +CoglAtlasTexture * +cogl_atlas_texture_new_from_bitmap (CoglBitmap *bmp) +{ + return _cogl_atlas_texture_new_from_bitmap (bmp, FALSE); +} + +CoglAtlasTexture * +cogl_atlas_texture_new_from_data (CoglContext *ctx, + int width, + int height, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + CoglError **error) +{ + CoglBitmap *bmp; + CoglAtlasTexture *atlas_tex; + + _COGL_RETURN_VAL_IF_FAIL (format != COGL_PIXEL_FORMAT_ANY, NULL); + _COGL_RETURN_VAL_IF_FAIL (data != NULL, NULL); + + /* Rowstride from width if not given */ + if (rowstride == 0) + rowstride = width * _cogl_pixel_format_get_bytes_per_pixel (format); + + /* Wrap the data into a bitmap */ + bmp = cogl_bitmap_new_for_data (ctx, + width, height, + format, + rowstride, + (uint8_t *) data); + + atlas_tex = cogl_atlas_texture_new_from_bitmap (bmp); + + cogl_object_unref (bmp); + + if (atlas_tex && + !cogl_texture_allocate (COGL_TEXTURE (atlas_tex), error)) + { + cogl_object_unref (atlas_tex); + return NULL; + } + + return atlas_tex; +} + +CoglAtlasTexture * +cogl_atlas_texture_new_from_file (CoglContext *ctx, + const char *filename, + CoglError **error) +{ + CoglBitmap *bmp; + CoglAtlasTexture *atlas_tex = NULL; + + _COGL_RETURN_VAL_IF_FAIL (error == NULL || *error == NULL, NULL); + + bmp = cogl_bitmap_new_from_file (filename, error); + if (bmp == NULL) + return NULL; + + atlas_tex = _cogl_atlas_texture_new_from_bitmap (bmp, + TRUE); /* convert in-place */ + + cogl_object_unref (bmp); + + return atlas_tex; +} + +void +_cogl_atlas_texture_add_reorganize_callback (CoglContext *ctx, + GHookFunc callback, + void *user_data) +{ + GHook *hook = g_hook_alloc (&ctx->atlas_reorganize_callbacks); + hook->func = callback; + hook->data = user_data; + g_hook_prepend (&ctx->atlas_reorganize_callbacks, hook); +} + +void +_cogl_atlas_texture_remove_reorganize_callback (CoglContext *ctx, + GHookFunc callback, + void *user_data) +{ + GHook *hook = g_hook_find_func_data (&ctx->atlas_reorganize_callbacks, + FALSE, + callback, + user_data); + + if (hook) + g_hook_destroy_link (&ctx->atlas_reorganize_callbacks, hook); +} + +static CoglTextureType +_cogl_atlas_texture_get_type (CoglTexture *tex) +{ + return COGL_TEXTURE_TYPE_2D; +} + +static const CoglTextureVtable +cogl_atlas_texture_vtable = + { + FALSE, /* not primitive */ + _cogl_atlas_texture_allocate, + _cogl_atlas_texture_set_region, + NULL, /* get_data */ + _cogl_atlas_texture_foreach_sub_texture_in_region, + _cogl_atlas_texture_get_max_waste, + _cogl_atlas_texture_is_sliced, + _cogl_atlas_texture_can_hardware_repeat, + _cogl_atlas_texture_transform_coords_to_gl, + _cogl_atlas_texture_transform_quad_coords_to_gl, + _cogl_atlas_texture_get_gl_texture, + _cogl_atlas_texture_gl_flush_legacy_texobj_filters, + _cogl_atlas_texture_pre_paint, + _cogl_atlas_texture_ensure_non_quad_rendering, + _cogl_atlas_texture_gl_flush_legacy_texobj_wrap_modes, + _cogl_atlas_texture_get_format, + _cogl_atlas_texture_get_gl_format, + _cogl_atlas_texture_get_type, + NULL, /* is_foreign */ + NULL /* set_auto_mipmap */ + }; diff --git a/cogl/cogl-atlas-texture.h b/cogl/cogl-atlas-texture.h new file mode 100644 index 0000000..79c15b9 --- /dev/null +++ b/cogl/cogl-atlas-texture.h @@ -0,0 +1,258 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef _COGL_ATLAS_TEXTURE_H_ +#define _COGL_ATLAS_TEXTURE_H_ + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-atlas-texture + * @short_description: Functions for managing textures in Cogl's global + * set of texture atlases + * + * A texture atlas is a texture that contains many smaller images that + * an application is interested in. These are packed together as a way + * of optimizing drawing with those images by avoiding the costs of + * repeatedly telling the hardware to change what texture it should + * sample from. This can enable more geometry to be batched together + * into few draw calls. + * + * Each #CoglContext has an shared, pool of texture atlases that are + * are managed by Cogl. + * + * This api lets applications upload texture data into one of Cogl's + * shared texture atlases using a high-level #CoglAtlasTexture which + * represents a sub-region of one of these atlases. + * + * A #CoglAtlasTexture is a high-level meta texture which has + * some limitations to be aware of. Please see the documentation for + * #CoglMetaTexture for more details. + */ + + +typedef struct _CoglAtlasTexture CoglAtlasTexture; +#define COGL_ATLAS_TEXTURE(tex) ((CoglAtlasTexture *) tex) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_atlas_texture_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_atlas_texture_get_gtype (void); +#endif + +/** + * cogl_atlas_texture_new_with_size: + * @ctx: A #CoglContext + * @width: The width of your atlased texture. + * @height: The height of your atlased texture. + * + * Creates a #CoglAtlasTexture with a given @width and @height. A + * #CoglAtlasTexture represents a sub-region within one of Cogl's + * shared texture atlases. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or let Cogl automatically allocate + * storage lazily. + * + * The texture is still configurable until it has been allocated so + * for example you can influence the internal format of the texture + * using cogl_texture_set_components() and + * cogl_texture_set_premultiplied(). + * + * Allocate call can fail if Cogl considers the internal + * format to be incompatible with the format of its internal + * atlases. + * + * The returned #CoglAtlasTexture is a high-level meta-texture + * with some limitations. See the documentation for #CoglMetaTexture + * for more details. + * + * Returns: (transfer full): A new #CoglAtlasTexture object. + * Since: 1.16 + * Stability: unstable + */ +CoglAtlasTexture * +cogl_atlas_texture_new_with_size (CoglContext *ctx, + int width, + int height); + +/** + * cogl_atlas_texture_new_from_file: + * @ctx: A #CoglContext + * @filename: the file to load + * @error: A #CoglError to catch exceptional errors or %NULL + * + * Creates a #CoglAtlasTexture from an image file. A #CoglAtlasTexture + * represents a sub-region within one of Cogl's shared texture + * atlases. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or let Cogl automatically allocate + * storage lazily. + * + * The texture is still configurable until it has been allocated so + * for example you can influence the internal format of the texture + * using cogl_texture_set_components() and + * cogl_texture_set_premultiplied(). + * + * Allocate call can fail if Cogl considers the internal + * format to be incompatible with the format of its internal + * atlases. + * + * The returned #CoglAtlasTexture is a high-level meta-texture + * with some limitations. See the documentation for #CoglMetaTexture + * for more details. + * + * Return value: (transfer full): A new #CoglAtlasTexture object or + * %NULL on failure and @error will be updated. + * Since: 1.16 + * Stability: unstable + */ +CoglAtlasTexture * +cogl_atlas_texture_new_from_file (CoglContext *ctx, + const char *filename, + CoglError **error); + +/** + * cogl_atlas_texture_new_from_data: + * @ctx: A #CoglContext + * @width: width of texture in pixels + * @height: height of texture in pixels + * @format: the #CoglPixelFormat the buffer is stored in in RAM + * @rowstride: the memory offset in bytes between the start of each + * row in @data. A value of 0 will make Cogl automatically + * calculate @rowstride from @width and @format. + * @data: pointer to the memory region where the source buffer resides + * @error: A #CoglError to catch exceptional errors or %NULL + * + * Creates a new #CoglAtlasTexture texture based on data residing in + * memory. A #CoglAtlasTexture represents a sub-region within one of + * Cogl's shared texture atlases. + * + * This api will always immediately allocate GPU memory for the + * texture and upload the given data so that the @data pointer does + * not need to remain valid once this function returns. This means it + * is not possible to configure the texture before it is allocated. If + * you do need to configure the texture before allocation (to specify + * constraints on the internal format for example) then you can + * instead create a #CoglBitmap for your data and use + * cogl_atlas_texture_new_from_bitmap() or use + * cogl_atlas_texture_new_with_size() and then upload data using + * cogl_texture_set_data() + * + * Allocate call can fail if Cogl considers the internal + * format to be incompatible with the format of its internal + * atlases. + * + * The returned #CoglAtlasTexture is a high-level + * meta-texture with some limitations. See the documentation for + * #CoglMetaTexture for more details. + * + * Return value: (transfer full): A new #CoglAtlasTexture object or + * %NULL on failure and @error will be updated. + * Since: 1.16 + * Stability: unstable + */ +CoglAtlasTexture * +cogl_atlas_texture_new_from_data (CoglContext *ctx, + int width, + int height, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + CoglError **error); + +/** + * cogl_atlas_texture_new_from_bitmap: + * @bitmap: A #CoglBitmap + * + * Creates a new #CoglAtlasTexture texture based on data residing in a + * @bitmap. A #CoglAtlasTexture represents a sub-region within one of + * Cogl's shared texture atlases. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or preferably let Cogl + * automatically allocate storage lazily when it may know more about + * how the texture is being used and can optimize how it is allocated. + * + * The texture is still configurable until it has been allocated so + * for example you can influence the internal format of the texture + * using cogl_texture_set_components() and + * cogl_texture_set_premultiplied(). + * + * Allocate call can fail if Cogl considers the internal + * format to be incompatible with the format of its internal + * atlases. + * + * The returned #CoglAtlasTexture is a high-level meta-texture + * with some limitations. See the documentation for #CoglMetaTexture + * for more details. + * + * Returns: (transfer full): A new #CoglAtlasTexture object. + * Since: 1.16 + * Stability: unstable + */ +CoglAtlasTexture * +cogl_atlas_texture_new_from_bitmap (CoglBitmap *bmp); + +/** + * cogl_is_atlas_texture: + * @object: a #CoglObject + * + * Checks whether the given object references a #CoglAtlasTexture + * + * Return value: %TRUE if the passed object represents an atlas + * texture and %FALSE otherwise + * + * Since: 1.16 + * Stability: Unstable + */ +CoglBool +cogl_is_atlas_texture (void *object); + +COGL_END_DECLS + +#endif /* _COGL_ATLAS_TEXTURE_H_ */ diff --git a/cogl/cogl-atlas.c b/cogl/cogl-atlas.c new file mode 100644 index 0000000..b7e5679 --- /dev/null +++ b/cogl/cogl-atlas.c @@ -0,0 +1,690 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-atlas.h" +#include "cogl-rectangle-map.h" +#include "cogl-context-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-texture-2d-sliced.h" +#include "cogl-texture-driver.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-debug.h" +#include "cogl-framebuffer-private.h" +#include "cogl-blit.h" +#include "cogl-private.h" + +#include + +static void _cogl_atlas_free (CoglAtlas *atlas); + +COGL_OBJECT_INTERNAL_DEFINE (Atlas, atlas); + +CoglAtlas * +_cogl_atlas_new (CoglPixelFormat texture_format, + CoglAtlasFlags flags, + CoglAtlasUpdatePositionCallback update_position_cb) +{ + CoglAtlas *atlas = g_new (CoglAtlas, 1); + + atlas->update_position_cb = update_position_cb; + atlas->map = NULL; + atlas->texture = NULL; + atlas->flags = flags; + atlas->texture_format = texture_format; + g_hook_list_init (&atlas->pre_reorganize_callbacks, sizeof (GHook)); + g_hook_list_init (&atlas->post_reorganize_callbacks, sizeof (GHook)); + + return _cogl_atlas_object_new (atlas); +} + +static void +_cogl_atlas_free (CoglAtlas *atlas) +{ + COGL_NOTE (ATLAS, "%p: Atlas destroyed", atlas); + + if (atlas->texture) + cogl_object_unref (atlas->texture); + if (atlas->map) + _cogl_rectangle_map_free (atlas->map); + + g_hook_list_clear (&atlas->pre_reorganize_callbacks); + g_hook_list_clear (&atlas->post_reorganize_callbacks); + + g_free (atlas); +} + +typedef struct _CoglAtlasRepositionData +{ + /* The current user data for this texture */ + void *user_data; + /* The old and new positions of the texture */ + CoglRectangleMapEntry old_position; + CoglRectangleMapEntry new_position; +} CoglAtlasRepositionData; + +static void +_cogl_atlas_migrate (CoglAtlas *atlas, + unsigned int n_textures, + CoglAtlasRepositionData *textures, + CoglTexture *old_texture, + CoglTexture *new_texture, + void *skip_user_data) +{ + unsigned int i; + CoglBlitData blit_data; + + /* If the 'disable migrate' flag is set then we won't actually copy + the textures to their new location. Instead we'll just invoke the + callback to update the position */ + if ((atlas->flags & COGL_ATLAS_DISABLE_MIGRATION)) + for (i = 0; i < n_textures; i++) + /* Update the texture position */ + atlas->update_position_cb (textures[i].user_data, + new_texture, + &textures[i].new_position); + else + { + _cogl_blit_begin (&blit_data, new_texture, old_texture); + + for (i = 0; i < n_textures; i++) + { + /* Skip the texture that is being added because it doesn't contain + any data yet */ + if (textures[i].user_data != skip_user_data) + _cogl_blit (&blit_data, + textures[i].old_position.x, + textures[i].old_position.y, + textures[i].new_position.x, + textures[i].new_position.y, + textures[i].new_position.width, + textures[i].new_position.height); + + /* Update the texture position */ + atlas->update_position_cb (textures[i].user_data, + new_texture, + &textures[i].new_position); + } + + _cogl_blit_end (&blit_data); + } +} + +typedef struct _CoglAtlasGetRectanglesData +{ + CoglAtlasRepositionData *textures; + /* Number of textures found so far */ + unsigned int n_textures; +} CoglAtlasGetRectanglesData; + +static void +_cogl_atlas_get_rectangles_cb (const CoglRectangleMapEntry *rectangle, + void *rect_data, + void *user_data) +{ + CoglAtlasGetRectanglesData *data = user_data; + + data->textures[data->n_textures].old_position = *rectangle; + data->textures[data->n_textures++].user_data = rect_data; +} + +static void +_cogl_atlas_get_next_size (unsigned int *map_width, + unsigned int *map_height) +{ + /* Double the size of the texture by increasing whichever dimension + is smaller */ + if (*map_width < *map_height) + *map_width <<= 1; + else + *map_height <<= 1; +} + +static void +_cogl_atlas_get_initial_size (CoglPixelFormat format, + unsigned int *map_width, + unsigned int *map_height) +{ + unsigned int size; + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + ctx->driver_vtable->pixel_format_to_gl (ctx, + format, + &gl_intformat, + &gl_format, + &gl_type); + + /* At least on Intel hardware, the texture size will be rounded up + to at least 1MB so we might as well try to aim for that as an + initial minimum size. If the format is only 1 byte per pixel we + can use 1024x1024, otherwise we'll assume it will take 4 bytes + per pixel and use 512x512. */ + if (_cogl_pixel_format_get_bytes_per_pixel (format) == 1) + size = 1024; + else + size = 512; + + /* Some platforms might not support this large size so we'll + decrease the size until it can */ + while (size > 1 && + !ctx->texture_driver->size_supported (ctx, + GL_TEXTURE_2D, + gl_intformat, + gl_format, + gl_type, + size, size)) + size >>= 1; + + *map_width = size; + *map_height = size; +} + +static CoglRectangleMap * +_cogl_atlas_create_map (CoglPixelFormat format, + unsigned int map_width, + unsigned int map_height, + unsigned int n_textures, + CoglAtlasRepositionData *textures) +{ + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + + _COGL_GET_CONTEXT (ctx, NULL); + + ctx->driver_vtable->pixel_format_to_gl (ctx, + format, + &gl_intformat, + &gl_format, + &gl_type); + + /* Keep trying increasingly larger atlases until we can fit all of + the textures */ + while (ctx->texture_driver->size_supported (ctx, + GL_TEXTURE_2D, + gl_intformat, + gl_format, + gl_type, + map_width, map_height)) + { + CoglRectangleMap *new_atlas = _cogl_rectangle_map_new (map_width, + map_height, + NULL); + unsigned int i; + + COGL_NOTE (ATLAS, "Trying to resize the atlas to %ux%u", + map_width, map_height); + + /* Add all of the textures and keep track of the new position */ + for (i = 0; i < n_textures; i++) + if (!_cogl_rectangle_map_add (new_atlas, + textures[i].old_position.width, + textures[i].old_position.height, + textures[i].user_data, + &textures[i].new_position)) + break; + + /* If the atlas can contain all of the textures then we have a + winner */ + if (i >= n_textures) + return new_atlas; + else + COGL_NOTE (ATLAS, "Atlas size abandoned after trying " + "%u out of %u textures", + i, n_textures); + + _cogl_rectangle_map_free (new_atlas); + _cogl_atlas_get_next_size (&map_width, &map_height); + } + + /* If we get here then there's no atlas that can accommodate all of + the rectangles */ + + return NULL; +} + +static CoglTexture2D * +_cogl_atlas_create_texture (CoglAtlas *atlas, + int width, + int height) +{ + CoglTexture2D *tex; + CoglError *ignore_error = NULL; + + _COGL_GET_CONTEXT (ctx, NULL); + + if ((atlas->flags & COGL_ATLAS_CLEAR_TEXTURE)) + { + uint8_t *clear_data; + CoglBitmap *clear_bmp; + int bpp = _cogl_pixel_format_get_bytes_per_pixel (atlas->texture_format); + + /* Create a buffer of zeroes to initially clear the texture */ + clear_data = g_malloc0 (width * height * bpp); + clear_bmp = cogl_bitmap_new_for_data (ctx, + width, + height, + atlas->texture_format, + width * bpp, + clear_data); + + tex = cogl_texture_2d_new_from_bitmap (clear_bmp); + + _cogl_texture_set_internal_format (COGL_TEXTURE (tex), + atlas->texture_format); + + if (!cogl_texture_allocate (COGL_TEXTURE (tex), &ignore_error)) + { + cogl_error_free (ignore_error); + cogl_object_unref (tex); + tex = NULL; + } + + cogl_object_unref (clear_bmp); + + g_free (clear_data); + } + else + { + tex = cogl_texture_2d_new_with_size (ctx, width, height); + + _cogl_texture_set_internal_format (COGL_TEXTURE (tex), + atlas->texture_format); + + if (!cogl_texture_allocate (COGL_TEXTURE (tex), &ignore_error)) + { + cogl_error_free (ignore_error); + cogl_object_unref (tex); + tex = NULL; + } + } + + return tex; +} + +static int +_cogl_atlas_compare_size_cb (const void *a, + const void *b) +{ + const CoglAtlasRepositionData *ta = a; + const CoglAtlasRepositionData *tb = b; + unsigned int a_size, b_size; + + a_size = ta->old_position.width * ta->old_position.height; + b_size = tb->old_position.width * tb->old_position.height; + + return a_size < b_size ? 1 : a_size > b_size ? -1 : 0; +} + +static void +_cogl_atlas_notify_pre_reorganize (CoglAtlas *atlas) +{ + g_hook_list_invoke (&atlas->pre_reorganize_callbacks, FALSE); +} + +static void +_cogl_atlas_notify_post_reorganize (CoglAtlas *atlas) +{ + g_hook_list_invoke (&atlas->post_reorganize_callbacks, FALSE); +} + +CoglBool +_cogl_atlas_reserve_space (CoglAtlas *atlas, + unsigned int width, + unsigned int height, + void *user_data) +{ + CoglAtlasGetRectanglesData data; + CoglRectangleMap *new_map; + CoglTexture2D *new_tex; + unsigned int map_width, map_height; + CoglBool ret; + CoglRectangleMapEntry new_position; + + /* Check if we can fit the rectangle into the existing map */ + if (atlas->map && + _cogl_rectangle_map_add (atlas->map, width, height, + user_data, + &new_position)) + { + COGL_NOTE (ATLAS, "%p: Atlas is %ix%i, has %i textures and is %i%% waste", + atlas, + _cogl_rectangle_map_get_width (atlas->map), + _cogl_rectangle_map_get_height (atlas->map), + _cogl_rectangle_map_get_n_rectangles (atlas->map), + /* waste as a percentage */ + _cogl_rectangle_map_get_remaining_space (atlas->map) * + 100 / (_cogl_rectangle_map_get_width (atlas->map) * + _cogl_rectangle_map_get_height (atlas->map))); + + atlas->update_position_cb (user_data, + atlas->texture, + &new_position); + + return TRUE; + } + + /* If we make it here then we need to reorganize the atlas. First + we'll notify any users of the atlas that this is going to happen + so that for example in CoglAtlasTexture it can notify that the + storage has changed and cause a flush */ + _cogl_atlas_notify_pre_reorganize (atlas); + + /* Get an array of all the textures currently in the atlas. */ + data.n_textures = 0; + if (atlas->map == NULL) + data.textures = g_malloc (sizeof (CoglAtlasRepositionData)); + else + { + unsigned int n_rectangles = + _cogl_rectangle_map_get_n_rectangles (atlas->map); + data.textures = g_malloc (sizeof (CoglAtlasRepositionData) * + (n_rectangles + 1)); + _cogl_rectangle_map_foreach (atlas->map, + _cogl_atlas_get_rectangles_cb, + &data); + } + + /* Add the new rectangle as a dummy texture so that it can be + positioned with the rest */ + data.textures[data.n_textures].old_position.x = 0; + data.textures[data.n_textures].old_position.y = 0; + data.textures[data.n_textures].old_position.width = width; + data.textures[data.n_textures].old_position.height = height; + data.textures[data.n_textures++].user_data = user_data; + + /* The atlasing algorithm works a lot better if the rectangles are + added in decreasing order of size so we'll first sort the + array */ + qsort (data.textures, data.n_textures, + sizeof (CoglAtlasRepositionData), + _cogl_atlas_compare_size_cb); + + /* Try to create a new atlas that can contain all of the textures */ + if (atlas->map) + { + map_width = _cogl_rectangle_map_get_width (atlas->map); + map_height = _cogl_rectangle_map_get_height (atlas->map); + + /* If there is enough space in for the new rectangle in the + existing atlas with at least 6% waste we'll start with the + same size, otherwise we'll immediately double it */ + if ((map_width * map_height - + _cogl_rectangle_map_get_remaining_space (atlas->map) + + width * height) * 53 / 50 > + map_width * map_height) + _cogl_atlas_get_next_size (&map_width, &map_height); + } + else + _cogl_atlas_get_initial_size (atlas->texture_format, + &map_width, &map_height); + + new_map = _cogl_atlas_create_map (atlas->texture_format, + map_width, map_height, + data.n_textures, data.textures); + + /* If we can't create a map with the texture then give up */ + if (new_map == NULL) + { + COGL_NOTE (ATLAS, "%p: Could not fit texture in the atlas", atlas); + ret = FALSE; + } + /* We need to migrate the existing textures into a new texture */ + else if ((new_tex = _cogl_atlas_create_texture + (atlas, + _cogl_rectangle_map_get_width (new_map), + _cogl_rectangle_map_get_height (new_map))) == NULL) + { + COGL_NOTE (ATLAS, "%p: Could not create a CoglTexture2D", atlas); + _cogl_rectangle_map_free (new_map); + ret = FALSE; + } + else + { + int waste; + + COGL_NOTE (ATLAS, + "%p: Atlas %s with size %ix%i", + atlas, + atlas->map == NULL || + _cogl_rectangle_map_get_width (atlas->map) != + _cogl_rectangle_map_get_width (new_map) || + _cogl_rectangle_map_get_height (atlas->map) != + _cogl_rectangle_map_get_height (new_map) ? + "resized" : "reorganized", + _cogl_rectangle_map_get_width (new_map), + _cogl_rectangle_map_get_height (new_map)); + + if (atlas->map) + { + /* Move all the textures to the right position in the new + texture. This will also update the texture's rectangle */ + _cogl_atlas_migrate (atlas, + data.n_textures, + data.textures, + atlas->texture, + COGL_TEXTURE (new_tex), + user_data); + _cogl_rectangle_map_free (atlas->map); + cogl_object_unref (atlas->texture); + } + else + /* We know there's only one texture so we can just directly + update the rectangle from its new position */ + atlas->update_position_cb (data.textures[0].user_data, + COGL_TEXTURE (new_tex), + &data.textures[0].new_position); + + atlas->map = new_map; + atlas->texture = COGL_TEXTURE (new_tex); + + waste = (_cogl_rectangle_map_get_remaining_space (atlas->map) * + 100 / (_cogl_rectangle_map_get_width (atlas->map) * + _cogl_rectangle_map_get_height (atlas->map))); + + COGL_NOTE (ATLAS, "%p: Atlas is %ix%i, has %i textures and is %i%% waste", + atlas, + _cogl_rectangle_map_get_width (atlas->map), + _cogl_rectangle_map_get_height (atlas->map), + _cogl_rectangle_map_get_n_rectangles (atlas->map), + waste); + + ret = TRUE; + } + + g_free (data.textures); + + _cogl_atlas_notify_post_reorganize (atlas); + + return ret; +} + +void +_cogl_atlas_remove (CoglAtlas *atlas, + const CoglRectangleMapEntry *rectangle) +{ + _cogl_rectangle_map_remove (atlas->map, rectangle); + + COGL_NOTE (ATLAS, "%p: Removed rectangle sized %ix%i", + atlas, + rectangle->width, + rectangle->height); + COGL_NOTE (ATLAS, "%p: Atlas is %ix%i, has %i textures and is %i%% waste", + atlas, + _cogl_rectangle_map_get_width (atlas->map), + _cogl_rectangle_map_get_height (atlas->map), + _cogl_rectangle_map_get_n_rectangles (atlas->map), + _cogl_rectangle_map_get_remaining_space (atlas->map) * + 100 / (_cogl_rectangle_map_get_width (atlas->map) * + _cogl_rectangle_map_get_height (atlas->map))); +}; + +static CoglTexture * +create_migration_texture (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format) +{ + CoglTexture *tex; + CoglError *skip_error = NULL; + + if ((_cogl_util_is_pot (width) && _cogl_util_is_pot (height)) || + (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) && + cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP))) + { + /* First try creating a fast-path non-sliced texture */ + tex = COGL_TEXTURE (cogl_texture_2d_new_with_size (ctx, + width, height)); + + _cogl_texture_set_internal_format (tex, internal_format); + + /* TODO: instead of allocating storage here it would be better + * if we had some api that let us just check that the size is + * supported by the hardware so storage could be allocated + * lazily when uploading data. */ + if (!cogl_texture_allocate (tex, &skip_error)) + { + cogl_error_free (skip_error); + cogl_object_unref (tex); + tex = NULL; + } + } + else + tex = NULL; + + if (!tex) + { + CoglTexture2DSliced *tex_2ds = + cogl_texture_2d_sliced_new_with_size (ctx, + width, + height, + COGL_TEXTURE_MAX_WASTE); + + _cogl_texture_set_internal_format (COGL_TEXTURE (tex_2ds), + internal_format); + + tex = COGL_TEXTURE (tex_2ds); + } + + return tex; +} + +CoglTexture * +_cogl_atlas_copy_rectangle (CoglAtlas *atlas, + int x, + int y, + int width, + int height, + CoglPixelFormat internal_format) +{ + CoglTexture *tex; + CoglBlitData blit_data; + CoglError *ignore_error = NULL; + + _COGL_GET_CONTEXT (ctx, NULL); + + /* Create a new texture at the right size */ + tex = create_migration_texture (ctx, width, height, internal_format); + if (!cogl_texture_allocate (tex, &ignore_error)) + { + cogl_error_free (ignore_error); + cogl_object_unref (tex); + return NULL; + } + + /* Blit the data out of the atlas to the new texture. If FBOs + aren't available this will end up having to copy the entire + atlas texture */ + _cogl_blit_begin (&blit_data, tex, atlas->texture); + _cogl_blit (&blit_data, + x, y, + 0, 0, + width, height); + _cogl_blit_end (&blit_data); + + return tex; +} + +void +_cogl_atlas_add_reorganize_callback (CoglAtlas *atlas, + GHookFunc pre_callback, + GHookFunc post_callback, + void *user_data) +{ + if (pre_callback) + { + GHook *hook = g_hook_alloc (&atlas->post_reorganize_callbacks); + hook->func = pre_callback; + hook->data = user_data; + g_hook_prepend (&atlas->pre_reorganize_callbacks, hook); + } + if (post_callback) + { + GHook *hook = g_hook_alloc (&atlas->pre_reorganize_callbacks); + hook->func = post_callback; + hook->data = user_data; + g_hook_prepend (&atlas->post_reorganize_callbacks, hook); + } +} + +void +_cogl_atlas_remove_reorganize_callback (CoglAtlas *atlas, + GHookFunc pre_callback, + GHookFunc post_callback, + void *user_data) +{ + if (pre_callback) + { + GHook *hook = g_hook_find_func_data (&atlas->pre_reorganize_callbacks, + FALSE, + pre_callback, + user_data); + if (hook) + g_hook_destroy_link (&atlas->pre_reorganize_callbacks, hook); + } + if (post_callback) + { + GHook *hook = g_hook_find_func_data (&atlas->post_reorganize_callbacks, + FALSE, + post_callback, + user_data); + if (hook) + g_hook_destroy_link (&atlas->post_reorganize_callbacks, hook); + } +} diff --git a/cogl/cogl-atlas.h b/cogl/cogl-atlas.h new file mode 100644 index 0000000..e9b3fb0 --- /dev/null +++ b/cogl/cogl-atlas.h @@ -0,0 +1,105 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_ATLAS_H +#define __COGL_ATLAS_H + +#include "cogl-rectangle-map.h" +#include "cogl-object-private.h" +#include "cogl-texture.h" + +typedef void +(* CoglAtlasUpdatePositionCallback) (void *user_data, + CoglTexture *new_texture, + const CoglRectangleMapEntry *rect); + +typedef enum +{ + COGL_ATLAS_CLEAR_TEXTURE = (1 << 0), + COGL_ATLAS_DISABLE_MIGRATION = (1 << 1) +} CoglAtlasFlags; + +typedef struct _CoglAtlas CoglAtlas; + +#define COGL_ATLAS(object) ((CoglAtlas *) object) + +struct _CoglAtlas +{ + CoglObject _parent; + + CoglRectangleMap *map; + + CoglTexture *texture; + CoglPixelFormat texture_format; + CoglAtlasFlags flags; + + CoglAtlasUpdatePositionCallback update_position_cb; + + GHookList pre_reorganize_callbacks; + GHookList post_reorganize_callbacks; +}; + +CoglAtlas * +_cogl_atlas_new (CoglPixelFormat texture_format, + CoglAtlasFlags flags, + CoglAtlasUpdatePositionCallback update_position_cb); + +CoglBool +_cogl_atlas_reserve_space (CoglAtlas *atlas, + unsigned int width, + unsigned int height, + void *user_data); + +void +_cogl_atlas_remove (CoglAtlas *atlas, + const CoglRectangleMapEntry *rectangle); + +CoglTexture * +_cogl_atlas_copy_rectangle (CoglAtlas *atlas, + int x, + int y, + int width, + int height, + CoglPixelFormat format); + +void +_cogl_atlas_add_reorganize_callback (CoglAtlas *atlas, + GHookFunc pre_callback, + GHookFunc post_callback, + void *user_data); + +void +_cogl_atlas_remove_reorganize_callback (CoglAtlas *atlas, + GHookFunc pre_callback, + GHookFunc post_callback, + void *user_data); + +CoglBool +_cogl_is_atlas (void *object); + +#endif /* __COGL_ATLAS_H */ diff --git a/cogl/cogl-attribute-buffer-private.h b/cogl/cogl-attribute-buffer-private.h new file mode 100644 index 0000000..c5e8a27 --- /dev/null +++ b/cogl/cogl-attribute-buffer-private.h @@ -0,0 +1,44 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_ATTRIBUTE_BUFFER_PRIVATE_H +#define __COGL_ATTRIBUTE_BUFFER_PRIVATE_H + +#include "cogl-buffer-private.h" + +struct _CoglAttributeBuffer +{ + CoglBuffer _parent; +}; + +#endif /* __COGL_ATTRIBUTE_BUFFER_PRIVATE_H */ diff --git a/cogl/cogl-attribute-buffer.c b/cogl/cogl-attribute-buffer.c new file mode 100644 index 0000000..8d92d29 --- /dev/null +++ b/cogl/cogl-attribute-buffer.c @@ -0,0 +1,104 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-object-private.h" +#include "cogl-attribute-buffer.h" +#include "cogl-attribute-buffer-private.h" +#include "cogl-context-private.h" +#include "cogl-gtype-private.h" + +static void _cogl_attribute_buffer_free (CoglAttributeBuffer *array); + +COGL_BUFFER_DEFINE (AttributeBuffer, attribute_buffer); +COGL_GTYPE_DEFINE_CLASS (AttributeBuffer, attribute_buffer); + +CoglAttributeBuffer * +cogl_attribute_buffer_new_with_size (CoglContext *context, + size_t bytes) +{ + CoglAttributeBuffer *buffer = g_slice_new (CoglAttributeBuffer); + + /* parent's constructor */ + _cogl_buffer_initialize (COGL_BUFFER (buffer), + context, + bytes, + COGL_BUFFER_BIND_TARGET_ATTRIBUTE_BUFFER, + COGL_BUFFER_USAGE_HINT_ATTRIBUTE_BUFFER, + COGL_BUFFER_UPDATE_HINT_STATIC); + + return _cogl_attribute_buffer_object_new (buffer); +} + +CoglAttributeBuffer * +cogl_attribute_buffer_new (CoglContext *context, + size_t bytes, + const void *data) +{ + CoglAttributeBuffer *buffer; + + buffer = cogl_attribute_buffer_new_with_size (context, bytes); + + /* Note: to keep the common cases simple this API doesn't throw + * CoglErrors, so developers can assume this function never returns + * NULL and we will simply abort on error. + * + * Developers wanting to catch errors can use + * cogl_attribute_buffer_new_with_size() and catch errors when later + * calling cogl_buffer_set_data() or cogl_buffer_map(). + */ + + /* XXX: NB: for Cogl 2.0 we don't allow NULL data here but we can't + * break the api for 1.x and so we keep the check for now. */ + if (data) + _cogl_buffer_set_data (COGL_BUFFER (buffer), + 0, + data, + bytes, + NULL); + + return buffer; +} + +static void +_cogl_attribute_buffer_free (CoglAttributeBuffer *array) +{ + /* parent's destructor */ + _cogl_buffer_fini (COGL_BUFFER (array)); + + g_slice_free (CoglAttributeBuffer, array); +} + diff --git a/cogl/cogl-attribute-buffer.h b/cogl/cogl-attribute-buffer.h new file mode 100644 index 0000000..189d81e --- /dev/null +++ b/cogl/cogl-attribute-buffer.h @@ -0,0 +1,152 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_ATTRIBUTE_BUFFER_H__ +#define __COGL_ATTRIBUTE_BUFFER_H__ + +/* We forward declare the CoglAttributeBuffer type here to avoid some circular + * dependency issues with the following headers. + */ +typedef struct _CoglAttributeBuffer CoglAttributeBuffer; + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-attribute-buffer + * @short_description: Functions for creating and manipulating attribute + * buffers + * + * FIXME + */ + +#define COGL_ATTRIBUTE_BUFFER(buffer) ((CoglAttributeBuffer *)(buffer)) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_attribute_buffer_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_attribute_buffer_get_gtype (void); +#endif + +/** + * cogl_attribute_buffer_new_with_size: + * @context: A #CoglContext + * @bytes: The number of bytes to allocate for vertex attribute data. + * + * Describes a new #CoglAttributeBuffer of @size bytes to contain + * arrays of vertex attribute data. Afterwards data can be set using + * cogl_buffer_set_data() or by mapping it into the application's + * address space using cogl_buffer_map(). + * + * The underlying storage of this buffer isn't allocated by this + * function so that you have an opportunity to use the + * cogl_buffer_set_update_hint() and cogl_buffer_set_usage_hint() + * functions which may influence how the storage is allocated. The + * storage will be allocated once you upload data to the buffer. + * + * Note: You can assume this function always succeeds and won't return + * %NULL + * + * Return value: (transfer full): A newly allocated #CoglAttributeBuffer. Never %NULL. + * + * Stability: Unstable + */ +CoglAttributeBuffer * +cogl_attribute_buffer_new_with_size (CoglContext *context, + size_t bytes); + +/** + * cogl_attribute_buffer_new: + * @context: A #CoglContext + * @bytes: The number of bytes to allocate for vertex attribute data. + * @data: (array length=bytes): An optional pointer to vertex data to + * upload immediately. + * + * Describes a new #CoglAttributeBuffer of @size bytes to contain + * arrays of vertex attribute data and also uploads @size bytes read + * from @data to the new buffer. + * + * You should never pass a %NULL data pointer. + * + * This function does not report out-of-memory errors back to + * the caller by returning %NULL and so you can assume this function + * always succeeds. + * + * In the unlikely case that there is an out of memory problem + * then Cogl will abort the application with a message. If your + * application needs to gracefully handle out-of-memory errors then + * you can use cogl_attribute_buffer_new_with_size() and then + * explicitly catch errors with cogl_buffer_set_data() or + * cogl_buffer_map(). + * + * Return value: (transfer full): A newly allocated #CoglAttributeBuffer (never %NULL) + * + * Since: 1.4 + * Stability: Unstable + */ +CoglAttributeBuffer * +cogl_attribute_buffer_new (CoglContext *context, + size_t bytes, + const void *data); + +/** + * cogl_is_attribute_buffer: + * @object: A #CoglObject + * + * Gets whether the given object references a #CoglAttributeBuffer. + * + * Returns: %TRUE if @object references a #CoglAttributeBuffer, + * %FALSE otherwise + * + * Since: 1.4 + * Stability: Unstable + */ +CoglBool +cogl_is_attribute_buffer (void *object); + +COGL_END_DECLS + +#endif /* __COGL_ATTRIBUTE_BUFFER_H__ */ + diff --git a/cogl/cogl-attribute-private.h b/cogl/cogl-attribute-private.h new file mode 100644 index 0000000..aac4a88 --- /dev/null +++ b/cogl/cogl-attribute-private.h @@ -0,0 +1,140 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_ATTRIBUTE_PRIVATE_H +#define __COGL_ATTRIBUTE_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-attribute.h" +#include "cogl-framebuffer.h" +#include "cogl-pipeline-private.h" +#include "cogl-boxed-value.h" + +typedef enum +{ + COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY, + COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY, + COGL_ATTRIBUTE_NAME_ID_TEXTURE_COORD_ARRAY, + COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY, + COGL_ATTRIBUTE_NAME_ID_POINT_SIZE_ARRAY, + COGL_ATTRIBUTE_NAME_ID_CUSTOM_ARRAY +} CoglAttributeNameID; + +typedef struct _CoglAttributeNameState +{ + char *name; + CoglAttributeNameID name_id; + int name_index; + CoglBool normalized_default; + int layer_number; +} CoglAttributeNameState; + +struct _CoglAttribute +{ + CoglObject _parent; + + const CoglAttributeNameState *name_state; + CoglBool normalized; + + CoglBool is_buffered; + + union { + struct { + CoglAttributeBuffer *attribute_buffer; + size_t stride; + size_t offset; + int n_components; + CoglAttributeType type; + } buffered; + struct { + CoglContext *context; + CoglBoxedValue boxed; + } constant; + } d; + + int immutable_ref; +}; + +typedef enum +{ + COGL_DRAW_SKIP_JOURNAL_FLUSH = 1 << 0, + COGL_DRAW_SKIP_PIPELINE_VALIDATION = 1 << 1, + COGL_DRAW_SKIP_FRAMEBUFFER_FLUSH = 1 << 2, + COGL_DRAW_SKIP_LEGACY_STATE = 1 << 3, + /* By default the vertex attribute drawing code will assume that if + there is a color attribute array enabled then we can't determine + if the colors will be opaque so we need to enabling + blending. However when drawing from the journal we know what the + contents of the color array is so we can override this by passing + this flag. */ + COGL_DRAW_COLOR_ATTRIBUTE_IS_OPAQUE = 1 << 4, + /* This forcibly disables the debug option to divert all drawing to + * wireframes */ + COGL_DRAW_SKIP_DEBUG_WIREFRAME = 1 << 5 +} CoglDrawFlags; + +/* During CoglContext initialization we register the "cogl_color_in" + * attribute name so it gets a global name_index of 0. We need to know + * the name_index for "cogl_color_in" in + * _cogl_pipeline_flush_gl_state() */ +#define COGL_ATTRIBUTE_COLOR_NAME_INDEX 0 + +CoglAttributeNameState * +_cogl_attribute_register_attribute_name (CoglContext *context, + const char *name); + +CoglAttribute * +_cogl_attribute_immutable_ref (CoglAttribute *attribute); + +void +_cogl_attribute_immutable_unref (CoglAttribute *attribute); + +typedef struct +{ + int unit; + CoglPipelineFlushOptions options; + uint32_t fallback_layers; +} CoglFlushLayerState; + +void +_cogl_flush_attributes_state (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglDrawFlags flags, + CoglAttribute **attributes, + int n_attributes); + +int +_cogl_attribute_get_n_components (CoglAttribute *attribute); + +#endif /* __COGL_ATTRIBUTE_PRIVATE_H */ + diff --git a/cogl/cogl-attribute.c b/cogl/cogl-attribute.c new file mode 100644 index 0000000..bcfbf78 --- /dev/null +++ b/cogl/cogl-attribute.c @@ -0,0 +1,687 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-journal-private.h" +#include "cogl-attribute.h" +#include "cogl-attribute-private.h" +#include "cogl-pipeline.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-texture-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-indices-private.h" +#ifdef COGL_PIPELINE_PROGEND_GLSL +#include "cogl-pipeline-progend-glsl-private.h" +#endif +#include "cogl-private.h" +#include "cogl-gtype-private.h" + +#include +#include +#include + +/* This isn't defined in the GLES headers */ +#ifndef GL_UNSIGNED_INT +#define GL_UNSIGNED_INT 0x1405 +#endif + +static void _cogl_attribute_free (CoglAttribute *attribute); + +COGL_OBJECT_DEFINE (Attribute, attribute); +COGL_GTYPE_DEFINE_CLASS (Attribute, attribute); + +static CoglBool +validate_cogl_attribute_name (const char *name, + char **real_attribute_name, + CoglAttributeNameID *name_id, + CoglBool *normalized, + int *layer_number) +{ + name = name + 5; /* skip "cogl_" */ + + *normalized = FALSE; + *layer_number = 0; + + if (strcmp (name, "position_in") == 0) + *name_id = COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY; + else if (strcmp (name, "color_in") == 0) + { + *name_id = COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY; + *normalized = TRUE; + } + else if (strcmp (name, "tex_coord_in") == 0) + { + *real_attribute_name = "cogl_tex_coord0_in"; + *name_id = COGL_ATTRIBUTE_NAME_ID_TEXTURE_COORD_ARRAY; + } + else if (strncmp (name, "tex_coord", strlen ("tex_coord")) == 0) + { + char *endptr; + *layer_number = strtoul (name + 9, &endptr, 10); + if (strcmp (endptr, "_in") != 0) + { + g_warning ("Texture coordinate attributes should either be named " + "\"cogl_tex_coord_in\" or named with a texture unit index " + "like \"cogl_tex_coord2_in\"\n"); + return FALSE; + } + *name_id = COGL_ATTRIBUTE_NAME_ID_TEXTURE_COORD_ARRAY; + } + else if (strcmp (name, "normal_in") == 0) + { + *name_id = COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY; + *normalized = TRUE; + } + else if (strcmp (name, "point_size_in") == 0) + *name_id = COGL_ATTRIBUTE_NAME_ID_POINT_SIZE_ARRAY; + else + { + g_warning ("Unknown cogl_* attribute name cogl_%s\n", name); + return FALSE; + } + + return TRUE; +} + +CoglAttributeNameState * +_cogl_attribute_register_attribute_name (CoglContext *context, + const char *name) +{ + CoglAttributeNameState *name_state = g_new (CoglAttributeNameState, 1); + int name_index = context->n_attribute_names++; + char *name_copy = g_strdup (name); + + name_state->name = NULL; + name_state->name_index = name_index; + if (strncmp (name, "cogl_", 5) == 0) + { + if (!validate_cogl_attribute_name (name, + &name_state->name, + &name_state->name_id, + &name_state->normalized_default, + &name_state->layer_number)) + goto error; + } + else + { + name_state->name_id = COGL_ATTRIBUTE_NAME_ID_CUSTOM_ARRAY; + name_state->normalized_default = FALSE; + name_state->layer_number = 0; + } + + if (name_state->name == NULL) + name_state->name = name_copy; + + g_hash_table_insert (context->attribute_name_states_hash, + name_copy, name_state); + + if (G_UNLIKELY (context->attribute_name_index_map == NULL)) + context->attribute_name_index_map = + g_array_new (FALSE, FALSE, sizeof (void *)); + + g_array_set_size (context->attribute_name_index_map, name_index + 1); + + g_array_index (context->attribute_name_index_map, + CoglAttributeNameState *, name_index) = name_state; + + return name_state; + +error: + g_free (name_state); + return NULL; +} + +static CoglBool +validate_n_components (const CoglAttributeNameState *name_state, + int n_components) +{ + switch (name_state->name_id) + { + case COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY: + if (G_UNLIKELY (n_components == 1)) + { + g_critical ("glVertexPointer doesn't allow 1 component vertex " + "positions so we currently only support \"cogl_vertex\" " + "attributes where n_components == 2, 3 or 4"); + return FALSE; + } + break; + case COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY: + if (G_UNLIKELY (n_components != 3 && n_components != 4)) + { + g_critical ("glColorPointer expects 3 or 4 component colors so we " + "currently only support \"cogl_color\" attributes where " + "n_components == 3 or 4"); + return FALSE; + } + break; + case COGL_ATTRIBUTE_NAME_ID_TEXTURE_COORD_ARRAY: + break; + case COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY: + if (G_UNLIKELY (n_components != 3)) + { + g_critical ("glNormalPointer expects 3 component normals so we " + "currently only support \"cogl_normal\" attributes " + "where n_components == 3"); + return FALSE; + } + break; + case COGL_ATTRIBUTE_NAME_ID_POINT_SIZE_ARRAY: + if (G_UNLIKELY (n_components != 1)) + { + g_critical ("The point size attribute can only have one " + "component"); + return FALSE; + } + break; + case COGL_ATTRIBUTE_NAME_ID_CUSTOM_ARRAY: + return TRUE; + } + + return TRUE; +} + +CoglAttribute * +cogl_attribute_new (CoglAttributeBuffer *attribute_buffer, + const char *name, + size_t stride, + size_t offset, + int n_components, + CoglAttributeType type) +{ + CoglAttribute *attribute = g_slice_new (CoglAttribute); + CoglBuffer *buffer = COGL_BUFFER (attribute_buffer); + CoglContext *ctx = buffer->context; + + attribute->is_buffered = TRUE; + + attribute->name_state = + g_hash_table_lookup (ctx->attribute_name_states_hash, name); + if (!attribute->name_state) + { + CoglAttributeNameState *name_state = + _cogl_attribute_register_attribute_name (ctx, name); + if (!name_state) + goto error; + attribute->name_state = name_state; + } + + attribute->d.buffered.attribute_buffer = cogl_object_ref (attribute_buffer); + attribute->d.buffered.stride = stride; + attribute->d.buffered.offset = offset; + attribute->d.buffered.n_components = n_components; + attribute->d.buffered.type = type; + + attribute->immutable_ref = 0; + + if (attribute->name_state->name_id != COGL_ATTRIBUTE_NAME_ID_CUSTOM_ARRAY) + { + if (!validate_n_components (attribute->name_state, n_components)) + return NULL; + attribute->normalized = + attribute->name_state->normalized_default; + } + else + attribute->normalized = FALSE; + + return _cogl_attribute_object_new (attribute); + +error: + _cogl_attribute_free (attribute); + return NULL; +} + +static CoglAttribute * +_cogl_attribute_new_const (CoglContext *context, + const char *name, + int n_components, + int n_columns, + CoglBool transpose, + const float *value) +{ + CoglAttribute *attribute = g_slice_new (CoglAttribute); + + attribute->name_state = + g_hash_table_lookup (context->attribute_name_states_hash, name); + if (!attribute->name_state) + { + CoglAttributeNameState *name_state = + _cogl_attribute_register_attribute_name (context, name); + if (!name_state) + goto error; + attribute->name_state = name_state; + } + + if (!validate_n_components (attribute->name_state, n_components)) + goto error; + + attribute->is_buffered = FALSE; + attribute->normalized = FALSE; + + attribute->d.constant.context = cogl_object_ref (context); + + attribute->d.constant.boxed.v.array = NULL; + + if (n_columns == 1) + { + _cogl_boxed_value_set_float (&attribute->d.constant.boxed, + n_components, + 1, + value); + } + else + { + /* FIXME: Up until GL[ES] 3 only square matrices were supported + * and we don't currently expose non-square matrices in Cogl. + */ + _COGL_RETURN_VAL_IF_FAIL (n_columns == n_components, NULL); + _cogl_boxed_value_set_matrix (&attribute->d.constant.boxed, + n_columns, + 1, + transpose, + value); + } + + return _cogl_attribute_object_new (attribute); + +error: + _cogl_attribute_free (attribute); + return NULL; +} + +CoglAttribute * +cogl_attribute_new_const_1f (CoglContext *context, + const char *name, + float value) +{ + return _cogl_attribute_new_const (context, + name, + 1, /* n_components */ + 1, /* 1 column vector */ + FALSE, /* no transpose */ + &value); +} + +CoglAttribute * +cogl_attribute_new_const_2fv (CoglContext *context, + const char *name, + const float *value) +{ + return _cogl_attribute_new_const (context, + name, + 2, /* n_components */ + 1, /* 1 column vector */ + FALSE, /* no transpose */ + value); +} + +CoglAttribute * +cogl_attribute_new_const_3fv (CoglContext *context, + const char *name, + const float *value) +{ + return _cogl_attribute_new_const (context, + name, + 3, /* n_components */ + 1, /* 1 column vector */ + FALSE, /* no transpose */ + value); +} + +CoglAttribute * +cogl_attribute_new_const_4fv (CoglContext *context, + const char *name, + const float *value) +{ + return _cogl_attribute_new_const (context, + name, + 4, /* n_components */ + 1, /* 1 column vector */ + FALSE, /* no transpose */ + value); +} + +CoglAttribute * +cogl_attribute_new_const_2f (CoglContext *context, + const char *name, + float component0, + float component1) +{ + float vec2[2] = { component0, component1 }; + return _cogl_attribute_new_const (context, + name, + 2, /* n_components */ + 1, /* 1 column vector */ + FALSE, /* no transpose */ + vec2); +} + +CoglAttribute * +cogl_attribute_new_const_3f (CoglContext *context, + const char *name, + float component0, + float component1, + float component2) +{ + float vec3[3] = { component0, component1, component2 }; + return _cogl_attribute_new_const (context, + name, + 3, /* n_components */ + 1, /* 1 column vector */ + FALSE, /* no transpose */ + vec3); +} + +CoglAttribute * +cogl_attribute_new_const_4f (CoglContext *context, + const char *name, + float component0, + float component1, + float component2, + float component3) +{ + float vec4[4] = { component0, component1, component2, component3 }; + return _cogl_attribute_new_const (context, + name, + 4, /* n_components */ + 1, /* 1 column vector */ + FALSE, /* no transpose */ + vec4); +} + +CoglAttribute * +cogl_attribute_new_const_2x2fv (CoglContext *context, + const char *name, + const float *matrix2x2, + CoglBool transpose) +{ + return _cogl_attribute_new_const (context, + name, + 2, /* n_components */ + 2, /* 2 column vector */ + FALSE, /* no transpose */ + matrix2x2); +} + +CoglAttribute * +cogl_attribute_new_const_3x3fv (CoglContext *context, + const char *name, + const float *matrix3x3, + CoglBool transpose) +{ + return _cogl_attribute_new_const (context, + name, + 3, /* n_components */ + 3, /* 3 column vector */ + FALSE, /* no transpose */ + matrix3x3); +} + +CoglAttribute * +cogl_attribute_new_const_4x4fv (CoglContext *context, + const char *name, + const float *matrix4x4, + CoglBool transpose) +{ + return _cogl_attribute_new_const (context, + name, + 4, /* n_components */ + 4, /* 4 column vector */ + FALSE, /* no transpose */ + matrix4x4); +} + +CoglBool +cogl_attribute_get_normalized (CoglAttribute *attribute) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_attribute (attribute), FALSE); + + return attribute->normalized; +} + +static void +warn_about_midscene_changes (void) +{ + static CoglBool seen = FALSE; + if (!seen) + { + g_warning ("Mid-scene modification of attributes has " + "undefined results\n"); + seen = TRUE; + } +} + +void +cogl_attribute_set_normalized (CoglAttribute *attribute, + CoglBool normalized) +{ + _COGL_RETURN_IF_FAIL (cogl_is_attribute (attribute)); + + if (G_UNLIKELY (attribute->immutable_ref)) + warn_about_midscene_changes (); + + attribute->normalized = normalized; +} + +CoglAttributeBuffer * +cogl_attribute_get_buffer (CoglAttribute *attribute) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_attribute (attribute), NULL); + _COGL_RETURN_VAL_IF_FAIL (attribute->is_buffered, NULL); + + return attribute->d.buffered.attribute_buffer; +} + +void +cogl_attribute_set_buffer (CoglAttribute *attribute, + CoglAttributeBuffer *attribute_buffer) +{ + _COGL_RETURN_IF_FAIL (cogl_is_attribute (attribute)); + _COGL_RETURN_IF_FAIL (attribute->is_buffered); + + if (G_UNLIKELY (attribute->immutable_ref)) + warn_about_midscene_changes (); + + cogl_object_ref (attribute_buffer); + + cogl_object_unref (attribute->d.buffered.attribute_buffer); + attribute->d.buffered.attribute_buffer = attribute_buffer; +} + +CoglAttribute * +_cogl_attribute_immutable_ref (CoglAttribute *attribute) +{ + CoglBuffer *buffer = COGL_BUFFER (attribute->d.buffered.attribute_buffer); + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_attribute (attribute), NULL); + + attribute->immutable_ref++; + _cogl_buffer_immutable_ref (buffer); + return attribute; +} + +void +_cogl_attribute_immutable_unref (CoglAttribute *attribute) +{ + CoglBuffer *buffer = COGL_BUFFER (attribute->d.buffered.attribute_buffer); + + _COGL_RETURN_IF_FAIL (cogl_is_attribute (attribute)); + _COGL_RETURN_IF_FAIL (attribute->immutable_ref > 0); + + attribute->immutable_ref--; + _cogl_buffer_immutable_unref (buffer); +} + +static void +_cogl_attribute_free (CoglAttribute *attribute) +{ + if (attribute->is_buffered) + cogl_object_unref (attribute->d.buffered.attribute_buffer); + else + _cogl_boxed_value_destroy (&attribute->d.constant.boxed); + + g_slice_free (CoglAttribute, attribute); +} + +static CoglBool +validate_layer_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + CoglTexture *texture = + cogl_pipeline_get_layer_texture (pipeline, layer_index); + CoglFlushLayerState *state = user_data; + CoglBool status = TRUE; + + /* invalid textures will be handled correctly in + * _cogl_pipeline_flush_layers_gl_state */ + if (texture == NULL) + goto validated; + + _cogl_texture_flush_journal_rendering (texture); + + /* Give the texture a chance to know that we're rendering + non-quad shaped primitives. If the texture is in an atlas it + will be migrated */ + _cogl_texture_ensure_non_quad_rendering (texture); + + /* We need to ensure the mipmaps are ready before deciding + * anything else about the texture because the texture storate + * could completely change if it needs to be migrated out of the + * atlas and will affect how we validate the layer. + */ + _cogl_pipeline_pre_paint_for_layer (pipeline, layer_index); + + if (!_cogl_texture_can_hardware_repeat (texture)) + { + g_warning ("Disabling layer %d of the current source material, " + "because texturing with the vertex buffer API is not " + "currently supported using sliced textures, or textures " + "with waste\n", layer_index); + + /* XXX: maybe we can add a mechanism for users to forcibly use + * textures with waste where it would be their responsability to use + * texture coords in the range [0,1] such that sampling outside isn't + * required. We can then use a texture matrix (or a modification of + * the users own matrix) to map 1 to the edge of the texture data. + * + * Potentially, given the same guarantee as above we could also + * support a single sliced layer too. We would have to redraw the + * vertices once for each layer, each time with a fiddled texture + * matrix. + */ + state->fallback_layers |= (1 << state->unit); + state->options.flags |= COGL_PIPELINE_FLUSH_FALLBACK_MASK; + } + +validated: + state->unit++; + return status; +} + +void +_cogl_flush_attributes_state (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglDrawFlags flags, + CoglAttribute **attributes, + int n_attributes) +{ + CoglContext *ctx = framebuffer->context; + CoglFlushLayerState layers_state; + CoglPipeline *copy = NULL; + + if (!(flags & COGL_DRAW_SKIP_JOURNAL_FLUSH)) + _cogl_journal_flush (framebuffer->journal); + + layers_state.unit = 0; + layers_state.options.flags = 0; + layers_state.fallback_layers = 0; + + if (!(flags & COGL_DRAW_SKIP_PIPELINE_VALIDATION)) + cogl_pipeline_foreach_layer (pipeline, + validate_layer_cb, + &layers_state); + + /* NB: _cogl_framebuffer_flush_state may disrupt various state (such + * as the pipeline state) when flushing the clip stack, so should + * always be done first when preparing to draw. We need to do this + * before setting up the array pointers because setting up the clip + * stack can cause some drawing which would change the array + * pointers. */ + if (!(flags & COGL_DRAW_SKIP_FRAMEBUFFER_FLUSH)) + _cogl_framebuffer_flush_state (framebuffer, + framebuffer, + COGL_FRAMEBUFFER_STATE_ALL); + + /* In cogl_read_pixels we have a fast-path when reading a single + * pixel and the scene is just comprised of simple rectangles still + * in the journal. For this optimization to work we need to track + * when the framebuffer really does get drawn to. */ + _cogl_framebuffer_mark_mid_scene (framebuffer); + _cogl_framebuffer_mark_clear_clip_dirty (framebuffer); + + if (G_UNLIKELY (!(flags & COGL_DRAW_SKIP_LEGACY_STATE)) && + G_UNLIKELY (ctx->legacy_state_set) && + _cogl_get_enable_legacy_state ()) + { + copy = cogl_pipeline_copy (pipeline); + pipeline = copy; + _cogl_pipeline_apply_legacy_state (pipeline); + } + + ctx->driver_vtable->flush_attributes_state (framebuffer, + pipeline, + &layers_state, + flags, + attributes, + n_attributes); + + if (copy) + cogl_object_unref (copy); +} + +int +_cogl_attribute_get_n_components (CoglAttribute *attribute) +{ + if (attribute->is_buffered) + return attribute->d.buffered.n_components; + else + return attribute->d.constant.boxed.size; +} diff --git a/cogl/cogl-attribute.h b/cogl/cogl-attribute.h new file mode 100644 index 0000000..736b0c6 --- /dev/null +++ b/cogl/cogl-attribute.h @@ -0,0 +1,558 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_ATTRIBUTE_H__ +#define __COGL_ATTRIBUTE_H__ + +/* We forward declare the CoglAttribute type here to avoid some circular + * dependency issues with the following headers. + */ +typedef struct _CoglAttribute CoglAttribute; + +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-attribute + * @short_description: Functions for declaring and drawing vertex + * attributes + * + * FIXME + */ + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_attribute_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_attribute_get_gtype (void); +#endif + +/** + * cogl_attribute_new: (constructor) + * @attribute_buffer: The #CoglAttributeBuffer containing the actual + * attribute data + * @name: The name of the attribute (used to reference it from GLSL) + * @stride: The number of bytes to jump to get to the next attribute + * value for the next vertex. (Usually + * sizeof (MyVertex)) + * @offset: The byte offset from the start of @attribute_buffer for + * the first attribute value. (Usually + * offsetof (MyVertex, component0) + * @components: The number of components (e.g. 4 for an rgba color or + * 3 for and (x,y,z) position) + * @type: FIXME + * + * Describes the layout for a list of vertex attribute values (For + * example, a list of texture coordinates or colors). + * + * The @name is used to access the attribute inside a GLSL vertex + * shader and there are some special names you should use if they are + * applicable: + * + * "cogl_position_in" (used for vertex positions) + * "cogl_color_in" (used for vertex colors) + * "cogl_tex_coord0_in", "cogl_tex_coord1", ... + * (used for vertex texture coordinates) + * "cogl_normal_in" (used for vertex normals) + * "cogl_point_size_in" (used to set the size of points + * per-vertex. Note this can only be used if + * %COGL_FEATURE_ID_POINT_SIZE_ATTRIBUTE is advertised and + * cogl_pipeline_set_per_vertex_point_size() is called on the pipeline. + * + * + * + * The attribute values corresponding to different vertices can either + * be tightly packed or interleaved with other attribute values. For + * example it's common to define a structure for a single vertex like: + * |[ + * typedef struct + * { + * float x, y, z; /* position attribute */ + * float s, t; /* texture coordinate attribute */ + * } MyVertex; + * ]| + * + * And then create an array of vertex data something like: + * |[ + * MyVertex vertices[100] = { .... } + * ]| + * + * In this case, to describe either the position or texture coordinate + * attribute you have to move sizeof (MyVertex) bytes to + * move from one vertex to the next. This is called the attribute + * @stride. If you weren't interleving attributes and you instead had + * a packed array of float x, y pairs then the attribute stride would + * be (2 * sizeof (float)). So the @stride is the number of + * bytes to move to find the attribute value of the next vertex. + * + * Normally a list of attributes starts at the beginning of an array. + * So for the MyVertex example above the @offset is the + * offset inside the MyVertex structure to the first + * component of the attribute. For the texture coordinate attribute + * the offset would be offsetof (MyVertex, s) or instead of + * using the offsetof macro you could use sizeof (float) * + * 3. If you've divided your @array into blocks of non-interleved + * attributes then you will need to calculate the @offset as the number of + * bytes in blocks preceding the attribute you're describing. + * + * An attribute often has more than one component. For example a color + * is often comprised of 4 red, green, blue and alpha @components, and a + * position may be comprised of 2 x and y @components. You should aim + * to keep the number of components to a minimum as more components + * means more data needs to be mapped into the GPU which can be a + * bottlneck when dealing with a large number of vertices. + * + * Finally you need to specify the component data type. Here you + * should aim to use the smallest type that meets your precision + * requirements. Again the larger the type then more data needs to be + * mapped into the GPU which can be a bottlneck when dealing with + * a large number of vertices. + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * describing the layout for a list of attribute values + * stored in @array. + * + * Since: 1.4 + * Stability: Unstable + */ +/* XXX: look for a precedent to see if the stride/offset args should + * have a different order. */ +CoglAttribute * +cogl_attribute_new (CoglAttributeBuffer *attribute_buffer, + const char *name, + size_t stride, + size_t offset, + int components, + CoglAttributeType type); + +/** + * cogl_attribute_new_const_1f: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @value: The constant value for the attribute + * + * Creates a new, single component, attribute whose value remains + * constant across all the vertices of a primitive without needing to + * duplicate the value for each vertex. + * + * The constant @value is a single precision floating point scalar + * which should have a corresponding declaration in GLSL code like: + * + * [| + * attribute float name; + * |] + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant @value. + */ +CoglAttribute * +cogl_attribute_new_const_1f (CoglContext *context, + const char *name, + float value); + +/** + * cogl_attribute_new_const_2f: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @component0: The first component of a 2 component vector + * @component1: The second component of a 2 component vector + * + * Creates a new, 2 component, attribute whose value remains + * constant across all the vertices of a primitive without needing to + * duplicate the value for each vertex. + * + * The constants (@component0, @component1) represent a 2 component + * float vector which should have a corresponding declaration in GLSL + * code like: + * + * [| + * attribute vec2 name; + * |] + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant vector. + */ +CoglAttribute * +cogl_attribute_new_const_2f (CoglContext *context, + const char *name, + float component0, + float component1); + +/** + * cogl_attribute_new_const_3f: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @component0: The first component of a 3 component vector + * @component1: The second component of a 3 component vector + * @component2: The third component of a 3 component vector + * + * Creates a new, 3 component, attribute whose value remains + * constant across all the vertices of a primitive without needing to + * duplicate the value for each vertex. + * + * The constants (@component0, @component1, @component2) represent a 3 + * component float vector which should have a corresponding + * declaration in GLSL code like: + * + * [| + * attribute vec3 name; + * |] + * + * unless the built in name "cogl_normal_in" is being used where no + * explicit GLSL declaration need be made. + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant vector. + */ +CoglAttribute * +cogl_attribute_new_const_3f (CoglContext *context, + const char *name, + float component0, + float component1, + float component2); + +/** + * cogl_attribute_new_const_4f: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @component0: The first component of a 4 component vector + * @component1: The second component of a 4 component vector + * @component2: The third component of a 4 component vector + * @component3: The fourth component of a 4 component vector + * + * Creates a new, 4 component, attribute whose value remains + * constant across all the vertices of a primitive without needing to + * duplicate the value for each vertex. + * + * The constants (@component0, @component1, @component2, @constant3) + * represent a 4 component float vector which should have a + * corresponding declaration in GLSL code like: + * + * [| + * attribute vec4 name; + * |] + * + * unless one of the built in names "cogl_color_in", + * "cogl_tex_coord0_in or "cogl_tex_coord1_in" etc is being used where + * no explicit GLSL declaration need be made. + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant vector. + */ +CoglAttribute * +cogl_attribute_new_const_4f (CoglContext *context, + const char *name, + float component0, + float component1, + float component2, + float component3); + +/** + * cogl_attribute_new_const_2fv: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @value: A pointer to a 2 component float vector + * + * Creates a new, 2 component, attribute whose value remains + * constant across all the vertices of a primitive without needing to + * duplicate the value for each vertex. + * + * The constants (value[0], value[1]) represent a 2 component float + * vector which should have a corresponding declaration in GLSL code + * like: + * + * [| + * attribute vec2 name; + * |] + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant vector. + */ +CoglAttribute * +cogl_attribute_new_const_2fv (CoglContext *context, + const char *name, + const float *value); + +/** + * cogl_attribute_new_const_3fv: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @value: A pointer to a 3 component float vector + * + * Creates a new, 3 component, attribute whose value remains + * constant across all the vertices of a primitive without needing to + * duplicate the value for each vertex. + * + * The constants (value[0], value[1], value[2]) represent a 3 + * component float vector which should have a corresponding + * declaration in GLSL code like: + * + * [| + * attribute vec3 name; + * |] + * + * unless the built in name "cogl_normal_in" is being used where no + * explicit GLSL declaration need be made. + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant vector. + */ +CoglAttribute * +cogl_attribute_new_const_3fv (CoglContext *context, + const char *name, + const float *value); + +/** + * cogl_attribute_new_const_4fv: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @value: A pointer to a 4 component float vector + * + * Creates a new, 4 component, attribute whose value remains + * constant across all the vertices of a primitive without needing to + * duplicate the value for each vertex. + * + * The constants (value[0], value[1], value[2], value[3]) represent a + * 4 component float vector which should have a corresponding + * declaration in GLSL code like: + * + * [| + * attribute vec4 name; + * |] + * + * unless one of the built in names "cogl_color_in", + * "cogl_tex_coord0_in or "cogl_tex_coord1_in" etc is being used where + * no explicit GLSL declaration need be made. + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant vector. + */ +CoglAttribute * +cogl_attribute_new_const_4fv (CoglContext *context, + const char *name, + const float *value); + +/** + * cogl_attribute_new_const_2x2fv: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @matrix2x2: A pointer to a 2 by 2 matrix + * @transpose: Whether the matrix should be transposed on upload or + * not + * + * Creates a new matrix attribute whose value remains constant + * across all the vertices of a primitive without needing to duplicate + * the value for each vertex. + * + * @matrix2x2 represent a square 2 by 2 matrix specified in + * column-major order (each pair of consecutive numbers represents a + * column) which should have a corresponding declaration in GLSL code + * like: + * + * [| + * attribute mat2 name; + * |] + * + * If @transpose is %TRUE then all matrix components are rotated + * around the diagonal of the matrix such that the first column + * becomes the first row and the second column becomes the second row. + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant matrix. + */ +CoglAttribute * +cogl_attribute_new_const_2x2fv (CoglContext *context, + const char *name, + const float *matrix2x2, + CoglBool transpose); + +/** + * cogl_attribute_new_const_3x3fv: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @matrix3x3: A pointer to a 3 by 3 matrix + * @transpose: Whether the matrix should be transposed on upload or + * not + * + * Creates a new matrix attribute whose value remains constant + * across all the vertices of a primitive without needing to duplicate + * the value for each vertex. + * + * @matrix3x3 represent a square 3 by 3 matrix specified in + * column-major order (each triple of consecutive numbers represents a + * column) which should have a corresponding declaration in GLSL code + * like: + * + * [| + * attribute mat3 name; + * |] + * + * If @transpose is %TRUE then all matrix components are rotated + * around the diagonal of the matrix such that the first column + * becomes the first row and the second column becomes the second row + * etc. + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant matrix. + */ +CoglAttribute * +cogl_attribute_new_const_3x3fv (CoglContext *context, + const char *name, + const float *matrix3x3, + CoglBool transpose); + +/** + * cogl_attribute_new_const_4x4fv: + * @context: A #CoglContext + * @name: The name of the attribute (used to reference it from GLSL) + * @matrix4x4: A pointer to a 4 by 4 matrix + * @transpose: Whether the matrix should be transposed on upload or + * not + * + * Creates a new matrix attribute whose value remains constant + * across all the vertices of a primitive without needing to duplicate + * the value for each vertex. + * + * @matrix4x4 represent a square 4 by 4 matrix specified in + * column-major order (each 4-tuple of consecutive numbers represents a + * column) which should have a corresponding declaration in GLSL code + * like: + * + * [| + * attribute mat4 name; + * |] + * + * If @transpose is %TRUE then all matrix components are rotated + * around the diagonal of the matrix such that the first column + * becomes the first row and the second column becomes the second row + * etc. + * + * Return value: (transfer full): A newly allocated #CoglAttribute + * representing the given constant matrix. + */ +CoglAttribute * +cogl_attribute_new_const_4x4fv (CoglContext *context, + const char *name, + const float *matrix4x4, + CoglBool transpose); + +/** + * cogl_attribute_set_normalized: + * @attribute: A #CoglAttribute + * @normalized: The new value for the normalized property. + * + * Sets whether fixed point attribute types are mapped to the range + * 0→1. For example when this property is TRUE and a + * %COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE type is used then the value 255 + * will be mapped to 1.0. + * + * The default value of this property depends on the name of the + * attribute. For the builtin properties cogl_color_in and + * cogl_normal_in it will default to TRUE and for all other names it + * will default to FALSE. + * + * Stability: unstable + * Since: 1.10 + */ +void +cogl_attribute_set_normalized (CoglAttribute *attribute, + CoglBool normalized); + +/** + * cogl_attribute_get_normalized: + * @attribute: A #CoglAttribute + * + * Return value: the value of the normalized property set with + * cogl_attribute_set_normalized(). + * + * Stability: unstable + * Since: 1.10 + */ +CoglBool +cogl_attribute_get_normalized (CoglAttribute *attribute); + +/** + * cogl_attribute_get_buffer: + * @attribute: A #CoglAttribute + * + * Return value: (transfer none): the #CoglAttributeBuffer that was + * set with cogl_attribute_set_buffer() or cogl_attribute_new(). + * + * Stability: unstable + * Since: 1.10 + */ +CoglAttributeBuffer * +cogl_attribute_get_buffer (CoglAttribute *attribute); + +/** + * cogl_attribute_set_buffer: + * @attribute: A #CoglAttribute + * @attribute_buffer: A #CoglAttributeBuffer + * + * Sets a new #CoglAttributeBuffer for the attribute. + * + * Stability: unstable + * Since: 1.10 + */ +void +cogl_attribute_set_buffer (CoglAttribute *attribute, + CoglAttributeBuffer *attribute_buffer); + +/** + * cogl_is_attribute: + * @object: A #CoglObject + * + * Gets whether the given object references a #CoglAttribute. + * + * Return value: %TRUE if the @object references a #CoglAttribute, + * %FALSE otherwise + */ +CoglBool +cogl_is_attribute (void *object); + +COGL_END_DECLS + +#endif /* __COGL_ATTRIBUTE_H__ */ + diff --git a/cogl/cogl-bitmap-conversion.c b/cogl/cogl-bitmap-conversion.c new file mode 100644 index 0000000..67168e7 --- /dev/null +++ b/cogl/cogl-bitmap-conversion.c @@ -0,0 +1,748 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-private.h" +#include "cogl-bitmap-private.h" +#include "cogl-context-private.h" +#include "cogl-texture-private.h" + +#include + +#define component_type uint8_t +#define component_size 8 +/* We want to specially optimise the packing when we are converting + to/from an 8-bit type so that it won't do anything. That way for + example if we are just doing a swizzle conversion then the inner + loop for the conversion will be really simple */ +#define UNPACK_BYTE(b) (b) +#define PACK_BYTE(b) (b) +#include "cogl-bitmap-packing.h" +#undef PACK_BYTE +#undef UNPACK_BYTE +#undef component_type +#undef component_size + +#define component_type uint16_t +#define component_size 16 +#define UNPACK_BYTE(b) (((b) * 65535 + 127) / 255) +#define PACK_BYTE(b) (((b) * 255 + 32767) / 65535) +#include "cogl-bitmap-packing.h" +#undef PACK_BYTE +#undef UNPACK_BYTE +#undef component_type +#undef component_size + +/* (Un)Premultiplication */ + +inline static void +_cogl_unpremult_alpha_0 (uint8_t *dst) +{ + dst[0] = 0; + dst[1] = 0; + dst[2] = 0; + dst[3] = 0; +} + +inline static void +_cogl_unpremult_alpha_last (uint8_t *dst) +{ + uint8_t alpha = dst[3]; + + dst[0] = (dst[0] * 255) / alpha; + dst[1] = (dst[1] * 255) / alpha; + dst[2] = (dst[2] * 255) / alpha; +} + +inline static void +_cogl_unpremult_alpha_first (uint8_t *dst) +{ + uint8_t alpha = dst[0]; + + dst[1] = (dst[1] * 255) / alpha; + dst[2] = (dst[2] * 255) / alpha; + dst[3] = (dst[3] * 255) / alpha; +} + +/* No division form of floor((c*a + 128)/255) (I first encountered + * this in the RENDER implementation in the X server.) Being exact + * is important for a == 255 - we want to get exactly c. + */ +#define MULT(d,a,t) \ + G_STMT_START { \ + t = d * a + 128; \ + d = ((t >> 8) + t) >> 8; \ + } G_STMT_END + +inline static void +_cogl_premult_alpha_last (uint8_t *dst) +{ + uint8_t alpha = dst[3]; + /* Using a separate temporary per component has given slightly better + * code generation with GCC in the past; it shouldn't do any worse in + * any case. + */ + unsigned int t1, t2, t3; + MULT(dst[0], alpha, t1); + MULT(dst[1], alpha, t2); + MULT(dst[2], alpha, t3); +} + +inline static void +_cogl_premult_alpha_first (uint8_t *dst) +{ + uint8_t alpha = dst[0]; + unsigned int t1, t2, t3; + + MULT(dst[1], alpha, t1); + MULT(dst[2], alpha, t2); + MULT(dst[3], alpha, t3); +} + +#undef MULT + +/* Use the SSE optimized version to premult four pixels at once when + it is available. The same assembler code works for x86 and x86-64 + because it doesn't refer to any non-SSE registers directly */ +#if defined(__SSE2__) && defined(__GNUC__) \ + && (defined(__x86_64) || defined(__i386)) +#define COGL_USE_PREMULT_SSE2 +#endif + +#ifdef COGL_USE_PREMULT_SSE2 + +inline static void +_cogl_premult_alpha_last_four_pixels_sse2 (uint8_t *p) +{ + /* 8 copies of 128 used below */ + static const int16_t eight_halves[8] __attribute__ ((aligned (16))) = + { 128, 128, 128, 128, 128, 128, 128, 128 }; + /* Mask of the rgb components of the four pixels */ + static const int8_t just_rgb[16] __attribute__ ((aligned (16))) = + { 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, + 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00 }; + /* Each SSE register only holds two pixels because we need to work + with 16-bit intermediate values. We still do four pixels by + interleaving two registers in the hope that it will pipeline + better */ + asm (/* Load eight_halves into xmm5 for later */ + "movdqa (%1), %%xmm5\n" + /* Clear xmm3 */ + "pxor %%xmm3, %%xmm3\n" + /* Load two pixels from p into the low half of xmm0 */ + "movlps (%0), %%xmm0\n" + /* Load the next set of two pixels from p into the low half of xmm1 */ + "movlps 8(%0), %%xmm1\n" + /* Unpack 8 bytes from the low quad-words in each register to 8 + 16-bit values */ + "punpcklbw %%xmm3, %%xmm0\n" + "punpcklbw %%xmm3, %%xmm1\n" + /* Copy alpha values of the first pixel in xmm0 to all + components of the first pixel in xmm2 */ + "pshuflw $255, %%xmm0, %%xmm2\n" + /* same for xmm1 and xmm3 */ + "pshuflw $255, %%xmm1, %%xmm3\n" + /* The above also copies the second pixel directly so we now + want to replace the RGB components with copies of the alpha + components */ + "pshufhw $255, %%xmm2, %%xmm2\n" + "pshufhw $255, %%xmm3, %%xmm3\n" + /* Multiply the rgb components by the alpha */ + "pmullw %%xmm2, %%xmm0\n" + "pmullw %%xmm3, %%xmm1\n" + /* Add 128 to each component */ + "paddw %%xmm5, %%xmm0\n" + "paddw %%xmm5, %%xmm1\n" + /* Copy the results to temporary registers xmm4 and xmm5 */ + "movdqa %%xmm0, %%xmm4\n" + "movdqa %%xmm1, %%xmm5\n" + /* Divide the results by 256 */ + "psrlw $8, %%xmm0\n" + "psrlw $8, %%xmm1\n" + /* Add the temporaries back in */ + "paddw %%xmm4, %%xmm0\n" + "paddw %%xmm5, %%xmm1\n" + /* Divide again */ + "psrlw $8, %%xmm0\n" + "psrlw $8, %%xmm1\n" + /* Pack the results back as bytes */ + "packuswb %%xmm1, %%xmm0\n" + /* Load just_rgb into xmm3 for later */ + "movdqa (%2), %%xmm3\n" + /* Reload all four pixels into xmm2 */ + "movups (%0), %%xmm2\n" + /* Mask out the alpha from the results */ + "andps %%xmm3, %%xmm0\n" + /* Mask out the RGB from the original four pixels */ + "andnps %%xmm2, %%xmm3\n" + /* Combine the two to get the right alpha values */ + "orps %%xmm3, %%xmm0\n" + /* Write to memory */ + "movdqu %%xmm0, (%0)\n" + : /* no outputs */ + : "r" (p), "r" (eight_halves), "r" (just_rgb) + : "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5"); +} + +#endif /* COGL_USE_PREMULT_SSE2 */ + +static void +_cogl_bitmap_premult_unpacked_span_8 (uint8_t *data, + int width) +{ +#ifdef COGL_USE_PREMULT_SSE2 + + /* Process 4 pixels at a time */ + while (width >= 4) + { + _cogl_premult_alpha_last_four_pixels_sse2 (data); + data += 4 * 4; + width -= 4; + } + + /* If there are any pixels left we will fall through and + handle them below */ + +#endif /* COGL_USE_PREMULT_SSE2 */ + + while (width-- > 0) + { + _cogl_premult_alpha_last (data); + data += 4; + } +} + +static void +_cogl_bitmap_unpremult_unpacked_span_8 (uint8_t *data, + int width) +{ + int x; + + for (x = 0; x < width; x++) + { + if (data[3] == 0) + _cogl_unpremult_alpha_0 (data); + else + _cogl_unpremult_alpha_last (data); + data += 4; + } +} + +static void +_cogl_bitmap_unpremult_unpacked_span_16 (uint16_t *data, + int width) +{ + while (width-- > 0) + { + uint16_t alpha = data[3]; + + if (alpha == 0) + memset (data, 0, sizeof (uint16_t) * 3); + else + { + data[0] = (data[0] * 65535) / alpha; + data[1] = (data[1] * 65535) / alpha; + data[2] = (data[2] * 65535) / alpha; + } + } +} + +static void +_cogl_bitmap_premult_unpacked_span_16 (uint16_t *data, + int width) +{ + while (width-- > 0) + { + uint16_t alpha = data[3]; + + data[0] = (data[0] * alpha) / 65535; + data[1] = (data[1] * alpha) / 65535; + data[2] = (data[2] * alpha) / 65535; + } +} + +static CoglBool +_cogl_bitmap_can_fast_premult (CoglPixelFormat format) +{ + switch (format & ~COGL_PREMULT_BIT) + { + case COGL_PIXEL_FORMAT_RGBA_8888: + case COGL_PIXEL_FORMAT_BGRA_8888: + case COGL_PIXEL_FORMAT_ARGB_8888: + case COGL_PIXEL_FORMAT_ABGR_8888: + return TRUE; + + default: + return FALSE; + } +} + +static CoglBool +_cogl_bitmap_needs_short_temp_buffer (CoglPixelFormat format) +{ + /* If the format is using more than 8 bits per component then we'll + unpack into a 16-bit per component buffer instead of 8-bit so we + won't lose as much precision. If we ever add support for formats + with more than 16 bits for at least one of the components then we + should probably do something else here, maybe convert to + floats */ + switch (format) + { + case COGL_PIXEL_FORMAT_DEPTH_16: + case COGL_PIXEL_FORMAT_DEPTH_32: + case COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8: + case COGL_PIXEL_FORMAT_ANY: + case COGL_PIXEL_FORMAT_YUV: + g_assert_not_reached (); + + case COGL_PIXEL_FORMAT_A_8: + case COGL_PIXEL_FORMAT_RG_88: + case COGL_PIXEL_FORMAT_RGB_565: + case COGL_PIXEL_FORMAT_RGBA_4444: + case COGL_PIXEL_FORMAT_RGBA_5551: + case COGL_PIXEL_FORMAT_G_8: + case COGL_PIXEL_FORMAT_RGB_888: + case COGL_PIXEL_FORMAT_BGR_888: + case COGL_PIXEL_FORMAT_RGBA_8888: + case COGL_PIXEL_FORMAT_BGRA_8888: + case COGL_PIXEL_FORMAT_ARGB_8888: + case COGL_PIXEL_FORMAT_ABGR_8888: + case COGL_PIXEL_FORMAT_RGBA_8888_PRE: + case COGL_PIXEL_FORMAT_BGRA_8888_PRE: + case COGL_PIXEL_FORMAT_ARGB_8888_PRE: + case COGL_PIXEL_FORMAT_ABGR_8888_PRE: + case COGL_PIXEL_FORMAT_RGBA_4444_PRE: + case COGL_PIXEL_FORMAT_RGBA_5551_PRE: + return FALSE; + + case COGL_PIXEL_FORMAT_RGBA_1010102: + case COGL_PIXEL_FORMAT_BGRA_1010102: + case COGL_PIXEL_FORMAT_ARGB_2101010: + case COGL_PIXEL_FORMAT_ABGR_2101010: + case COGL_PIXEL_FORMAT_RGBA_1010102_PRE: + case COGL_PIXEL_FORMAT_BGRA_1010102_PRE: + case COGL_PIXEL_FORMAT_ARGB_2101010_PRE: + case COGL_PIXEL_FORMAT_ABGR_2101010_PRE: + return TRUE; + } + + g_assert_not_reached (); +} + +CoglBool +_cogl_bitmap_convert_into_bitmap (CoglBitmap *src_bmp, + CoglBitmap *dst_bmp, + CoglError **error) +{ + uint8_t *src_data; + uint8_t *dst_data; + uint8_t *src; + uint8_t *dst; + void *tmp_row; + int src_rowstride; + int dst_rowstride; + int y; + int width, height; + CoglPixelFormat src_format; + CoglPixelFormat dst_format; + CoglBool use_16; + CoglBool need_premult; + + src_format = cogl_bitmap_get_format (src_bmp); + src_rowstride = cogl_bitmap_get_rowstride (src_bmp); + dst_format = cogl_bitmap_get_format (dst_bmp); + dst_rowstride = cogl_bitmap_get_rowstride (dst_bmp); + width = cogl_bitmap_get_width (src_bmp); + height = cogl_bitmap_get_height (src_bmp); + + _COGL_RETURN_VAL_IF_FAIL (width == cogl_bitmap_get_width (dst_bmp), FALSE); + _COGL_RETURN_VAL_IF_FAIL (height == cogl_bitmap_get_height (dst_bmp), FALSE); + + need_premult + = ((src_format & COGL_PREMULT_BIT) != (dst_format & COGL_PREMULT_BIT) && + src_format != COGL_PIXEL_FORMAT_A_8 && + dst_format != COGL_PIXEL_FORMAT_A_8 && + (src_format & dst_format & COGL_A_BIT)); + + /* If the base format is the same then we can just copy the bitmap + instead */ + if ((src_format & ~COGL_PREMULT_BIT) == (dst_format & ~COGL_PREMULT_BIT) && + (!need_premult || _cogl_bitmap_can_fast_premult (dst_format))) + { + if (!_cogl_bitmap_copy_subregion (src_bmp, dst_bmp, + 0, 0, /* src_x / src_y */ + 0, 0, /* dst_x / dst_y */ + width, height, + error)) + return FALSE; + + if (need_premult) + { + if ((dst_format & COGL_PREMULT_BIT)) + { + if (!_cogl_bitmap_premult (dst_bmp, error)) + return FALSE; + } + else + { + if (!_cogl_bitmap_unpremult (dst_bmp, error)) + return FALSE; + } + } + + return TRUE; + } + + src_data = _cogl_bitmap_map (src_bmp, COGL_BUFFER_ACCESS_READ, 0, error); + if (src_data == NULL) + return FALSE; + dst_data = _cogl_bitmap_map (dst_bmp, + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + error); + if (dst_data == NULL) + { + _cogl_bitmap_unmap (src_bmp); + return FALSE; + } + + use_16 = _cogl_bitmap_needs_short_temp_buffer (dst_format); + + /* Allocate a buffer to hold a temporary RGBA row */ + tmp_row = g_malloc (width * + (use_16 ? sizeof (uint16_t) : sizeof (uint8_t)) * 4); + + /* FIXME: Optimize */ + for (y = 0; y < height; y++) + { + src = src_data + y * src_rowstride; + dst = dst_data + y * dst_rowstride; + + if (use_16) + _cogl_unpack_16 (src_format, src, tmp_row, width); + else + _cogl_unpack_8 (src_format, src, tmp_row, width); + + /* Handle premultiplication */ + if (need_premult) + { + if (dst_format & COGL_PREMULT_BIT) + { + if (use_16) + _cogl_bitmap_premult_unpacked_span_16 (tmp_row, width); + else + _cogl_bitmap_premult_unpacked_span_8 (tmp_row, width); + } + else + { + if (use_16) + _cogl_bitmap_unpremult_unpacked_span_16 (tmp_row, width); + else + _cogl_bitmap_unpremult_unpacked_span_8 (tmp_row, width); + } + } + + if (use_16) + _cogl_pack_16 (dst_format, tmp_row, dst, width); + else + _cogl_pack_8 (dst_format, tmp_row, dst, width); + } + + _cogl_bitmap_unmap (src_bmp); + _cogl_bitmap_unmap (dst_bmp); + + g_free (tmp_row); + + return TRUE; +} + +CoglBitmap * +_cogl_bitmap_convert (CoglBitmap *src_bmp, + CoglPixelFormat dst_format, + CoglError **error) +{ + CoglBitmap *dst_bmp; + int width, height; + + _COGL_GET_CONTEXT (ctx, NULL); + + width = cogl_bitmap_get_width (src_bmp); + height = cogl_bitmap_get_height (src_bmp); + + dst_bmp = _cogl_bitmap_new_with_malloc_buffer (ctx, + width, height, + dst_format, + error); + if (!dst_bmp) + return NULL; + + if (!_cogl_bitmap_convert_into_bitmap (src_bmp, dst_bmp, error)) + { + cogl_object_unref (dst_bmp); + return NULL; + } + + return dst_bmp; +} + +static CoglBool +driver_can_convert (CoglContext *ctx, + CoglPixelFormat src_format, + CoglPixelFormat internal_format) +{ + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_FORMAT_CONVERSION)) + return FALSE; + + if (src_format == internal_format) + return TRUE; + + /* If the driver doesn't natively support alpha textures then it + * won't work correctly to convert to/from component-alpha + * textures */ + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_ALPHA_TEXTURES) && + (src_format == COGL_PIXEL_FORMAT_A_8 || + internal_format == COGL_PIXEL_FORMAT_A_8)) + return FALSE; + + /* Same for red-green textures. If red-green textures aren't + * supported then the internal format should never be RG_88 but we + * should still be able to convert from an RG source image */ + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_RG) && + src_format == COGL_PIXEL_FORMAT_RG_88) + return FALSE; + + return TRUE; +} + +CoglBitmap * +_cogl_bitmap_convert_for_upload (CoglBitmap *src_bmp, + CoglPixelFormat internal_format, + CoglBool can_convert_in_place, + CoglError **error) +{ + CoglContext *ctx = _cogl_bitmap_get_context (src_bmp); + CoglPixelFormat src_format = cogl_bitmap_get_format (src_bmp); + CoglBitmap *dst_bmp; + + _COGL_RETURN_VAL_IF_FAIL (internal_format != COGL_PIXEL_FORMAT_ANY, NULL); + + /* OpenGL supports specifying a different format for the internal + format when uploading texture data. We should use this to convert + formats because it is likely to be faster and support more types + than the Cogl bitmap code. However under GLES the internal format + must be the same as the bitmap format and it only supports a + limited number of formats so we must convert using the Cogl + bitmap code instead */ + + if (driver_can_convert (ctx, src_format, internal_format)) + { + /* If the source format does not have the same premult flag as the + internal_format then we need to copy and convert it */ + if (_cogl_texture_needs_premult_conversion (src_format, + internal_format)) + { + if (can_convert_in_place) + { + if (_cogl_bitmap_convert_premult_status (src_bmp, + (src_format ^ + COGL_PREMULT_BIT), + error)) + { + dst_bmp = cogl_object_ref (src_bmp); + } + else + return NULL; + } + else + { + dst_bmp = _cogl_bitmap_convert (src_bmp, + src_format ^ COGL_PREMULT_BIT, + error); + if (dst_bmp == NULL) + return NULL; + } + } + else + dst_bmp = cogl_object_ref (src_bmp); + } + else + { + CoglPixelFormat closest_format; + + closest_format = + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + NULL, /* ignore gl intformat */ + NULL, /* ignore gl format */ + NULL); /* ignore gl type */ + + if (closest_format != src_format) + dst_bmp = _cogl_bitmap_convert (src_bmp, closest_format, error); + else + dst_bmp = cogl_object_ref (src_bmp); + } + + return dst_bmp; +} + +CoglBool +_cogl_bitmap_unpremult (CoglBitmap *bmp, + CoglError **error) +{ + uint8_t *p, *data; + uint16_t *tmp_row; + int x,y; + CoglPixelFormat format; + int width, height; + int rowstride; + + format = cogl_bitmap_get_format (bmp); + width = cogl_bitmap_get_width (bmp); + height = cogl_bitmap_get_height (bmp); + rowstride = cogl_bitmap_get_rowstride (bmp); + + if ((data = _cogl_bitmap_map (bmp, + COGL_BUFFER_ACCESS_READ | + COGL_BUFFER_ACCESS_WRITE, + 0, + error)) == NULL) + return FALSE; + + /* If we can't directly unpremult the data inline then we'll + allocate a temporary row and unpack the data. This assumes if we + can fast premult then we can also fast unpremult */ + if (_cogl_bitmap_can_fast_premult (format)) + tmp_row = NULL; + else + tmp_row = g_malloc (sizeof (uint16_t) * 4 * width); + + for (y = 0; y < height; y++) + { + p = (uint8_t*) data + y * rowstride; + + if (tmp_row) + { + _cogl_unpack_16 (format, p, tmp_row, width); + _cogl_bitmap_unpremult_unpacked_span_16 (tmp_row, width); + _cogl_pack_16 (format, tmp_row, p, width); + } + else + { + if (format & COGL_AFIRST_BIT) + { + for (x = 0; x < width; x++) + { + if (p[0] == 0) + _cogl_unpremult_alpha_0 (p); + else + _cogl_unpremult_alpha_first (p); + p += 4; + } + } + else + _cogl_bitmap_unpremult_unpacked_span_8 (p, width); + } + } + + g_free (tmp_row); + + _cogl_bitmap_unmap (bmp); + + _cogl_bitmap_set_format (bmp, format & ~COGL_PREMULT_BIT); + + return TRUE; +} + +CoglBool +_cogl_bitmap_premult (CoglBitmap *bmp, + CoglError **error) +{ + uint8_t *p, *data; + uint16_t *tmp_row; + int x,y; + CoglPixelFormat format; + int width, height; + int rowstride; + + format = cogl_bitmap_get_format (bmp); + width = cogl_bitmap_get_width (bmp); + height = cogl_bitmap_get_height (bmp); + rowstride = cogl_bitmap_get_rowstride (bmp); + + if ((data = _cogl_bitmap_map (bmp, + COGL_BUFFER_ACCESS_READ | + COGL_BUFFER_ACCESS_WRITE, + 0, + error)) == NULL) + return FALSE; + + /* If we can't directly premult the data inline then we'll allocate + a temporary row and unpack the data. */ + if (_cogl_bitmap_can_fast_premult (format)) + tmp_row = NULL; + else + tmp_row = g_malloc (sizeof (uint16_t) * 4 * width); + + for (y = 0; y < height; y++) + { + p = (uint8_t*) data + y * rowstride; + + if (tmp_row) + { + _cogl_unpack_16 (format, p, tmp_row, width); + _cogl_bitmap_premult_unpacked_span_16 (tmp_row, width); + _cogl_pack_16 (format, tmp_row, p, width); + } + else + { + if (format & COGL_AFIRST_BIT) + { + for (x = 0; x < width; x++) + { + _cogl_premult_alpha_first (p); + p += 4; + } + } + else + _cogl_bitmap_premult_unpacked_span_8 (p, width); + } + } + + g_free (tmp_row); + + _cogl_bitmap_unmap (bmp); + + _cogl_bitmap_set_format (bmp, format | COGL_PREMULT_BIT); + + return TRUE; +} diff --git a/cogl/cogl-bitmap-packing.h b/cogl/cogl-bitmap-packing.h new file mode 100644 index 0000000..1b8e140 --- /dev/null +++ b/cogl/cogl-bitmap-packing.h @@ -0,0 +1,767 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This file is included multiple times with different definitions for + the component_type type (either uint8_t or uint16_t). The code ends + up exactly the same for both but we only want to end up hitting the + 16-bit path when one of the types in the conversion is > 8 bits per + component. */ + +/* Unpacking to RGBA */ + +#define UNPACK_1(b) ((b) * ((1 << (sizeof (component_type) * 8)) - 1)) +#define UNPACK_2(b) (((b) * ((1 << (sizeof (component_type) * 8)) - 1) + \ + 1) / 3) +#define UNPACK_4(b) (((b) * ((1 << (sizeof (component_type) * 8)) - 1) + \ + 7) / 15) +#define UNPACK_5(b) (((b) * ((1 << (sizeof (component_type) * 8)) - 1) + \ + 15) / 31) +#define UNPACK_6(b) (((b) * ((1 << (sizeof (component_type) * 8)) - 1) + \ + 31) / 63) +#define UNPACK_10(b) (((b) * ((1 << (sizeof (component_type) * 8)) - 1) + \ + 511) / 1023) + +inline static void +G_PASTE (_cogl_unpack_a_8_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = 0; + dst[1] = 0; + dst[2] = 0; + dst[3] = UNPACK_BYTE (*src); + dst += 4; + src++; + } +} + +inline static void +G_PASTE (_cogl_unpack_g_8_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + /* FIXME: I'm not sure if this is right. It looks like Nvidia and + Mesa handle luminance textures differently. Maybe we should + consider just removing luminance textures for Cogl 2.0 because + they have been removed in GL 3.0 */ + while (width-- > 0) + { + component_type v = UNPACK_BYTE (src[0]); + dst[0] = v; + dst[1] = v; + dst[2] = v; + dst[3] = UNPACK_BYTE (255); + dst += 4; + src++; + } +} + +inline static void +G_PASTE (_cogl_unpack_rg_88_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = UNPACK_BYTE (src[0]); + dst[1] = UNPACK_BYTE (src[1]); + dst[2] = 0; + dst[3] = UNPACK_BYTE (255); + dst += 4; + src += 2; + } +} + +inline static void +G_PASTE (_cogl_unpack_rgb_888_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = UNPACK_BYTE (src[0]); + dst[1] = UNPACK_BYTE (src[1]); + dst[2] = UNPACK_BYTE (src[2]); + dst[3] = UNPACK_BYTE (255); + dst += 4; + src += 3; + } +} + +inline static void +G_PASTE (_cogl_unpack_bgr_888_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = UNPACK_BYTE (src[2]); + dst[1] = UNPACK_BYTE (src[1]); + dst[2] = UNPACK_BYTE (src[0]); + dst[3] = UNPACK_BYTE (255); + dst += 4; + src += 3; + } +} + +inline static void +G_PASTE (_cogl_unpack_bgra_8888_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = UNPACK_BYTE (src[2]); + dst[1] = UNPACK_BYTE (src[1]); + dst[2] = UNPACK_BYTE (src[0]); + dst[3] = UNPACK_BYTE (src[3]); + dst += 4; + src += 4; + } +} + +inline static void +G_PASTE (_cogl_unpack_argb_8888_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = UNPACK_BYTE (src[1]); + dst[1] = UNPACK_BYTE (src[2]); + dst[2] = UNPACK_BYTE (src[3]); + dst[3] = UNPACK_BYTE (src[0]); + dst += 4; + src += 4; + } +} + +inline static void +G_PASTE (_cogl_unpack_abgr_8888_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = UNPACK_BYTE (src[3]); + dst[1] = UNPACK_BYTE (src[2]); + dst[2] = UNPACK_BYTE (src[1]); + dst[3] = UNPACK_BYTE (src[0]); + dst += 4; + src += 4; + } +} + +inline static void +G_PASTE (_cogl_unpack_rgba_8888_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = UNPACK_BYTE (src[0]); + dst[1] = UNPACK_BYTE (src[1]); + dst[2] = UNPACK_BYTE (src[2]); + dst[3] = UNPACK_BYTE (src[3]); + dst += 4; + src += 4; + } +} + +inline static void +G_PASTE (_cogl_unpack_rgb_565_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + uint16_t v = *(const uint16_t *) src; + + dst[0] = UNPACK_5 (v >> 11); + dst[1] = UNPACK_6 ((v >> 5) & 63); + dst[2] = UNPACK_5 (v & 31); + dst[3] = UNPACK_BYTE (255); + dst += 4; + src += 2; + } +} + +inline static void +G_PASTE (_cogl_unpack_rgba_4444_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + uint16_t v = *(const uint16_t *) src; + + dst[0] = UNPACK_4 (v >> 12); + dst[1] = UNPACK_4 ((v >> 8) & 15); + dst[2] = UNPACK_4 ((v >> 4) & 15); + dst[3] = UNPACK_4 (v & 15); + dst += 4; + src += 2; + } +} + +inline static void +G_PASTE (_cogl_unpack_rgba_5551_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + uint16_t v = *(const uint16_t *) src; + + dst[0] = UNPACK_5 (v >> 11); + dst[1] = UNPACK_5 ((v >> 6) & 31); + dst[2] = UNPACK_5 ((v >> 1) & 31); + dst[3] = UNPACK_1 (v & 1); + dst += 4; + src += 2; + } +} + +inline static void +G_PASTE (_cogl_unpack_rgba_1010102_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + uint32_t v = *(const uint32_t *) src; + + dst[0] = UNPACK_10 (v >> 22); + dst[1] = UNPACK_10 ((v >> 12) & 1023); + dst[2] = UNPACK_10 ((v >> 2) & 1023); + dst[3] = UNPACK_2 (v & 3); + dst += 4; + src += 2; + } +} + +inline static void +G_PASTE (_cogl_unpack_bgra_1010102_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + uint32_t v = *(const uint32_t *) src; + + dst[2] = UNPACK_10 (v >> 22); + dst[1] = UNPACK_10 ((v >> 12) & 1023); + dst[0] = UNPACK_10 ((v >> 2) & 1023); + dst[3] = UNPACK_2 (v & 3); + dst += 4; + src += 2; + } +} + +inline static void +G_PASTE (_cogl_unpack_argb_2101010_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + uint32_t v = *(const uint32_t *) src; + + dst[3] = UNPACK_2 (v >> 30); + dst[0] = UNPACK_10 ((v >> 20) & 1023); + dst[1] = UNPACK_10 ((v >> 10) & 1023); + dst[2] = UNPACK_10 (v & 1023); + dst += 4; + src += 2; + } +} + +inline static void +G_PASTE (_cogl_unpack_abgr_2101010_, component_size) (const uint8_t *src, + component_type *dst, + int width) +{ + while (width-- > 0) + { + uint32_t v = *(const uint32_t *) src; + + dst[3] = UNPACK_2 (v >> 30); + dst[2] = UNPACK_10 ((v >> 20) & 1023); + dst[1] = UNPACK_10 ((v >> 10) & 1023); + dst[0] = UNPACK_10 (v & 1023); + dst += 4; + src += 2; + } +} + +#undef UNPACK_1 +#undef UNPACK_2 +#undef UNPACK_4 +#undef UNPACK_5 +#undef UNPACK_6 +#undef UNPACK_10 + +inline static void +G_PASTE (_cogl_unpack_, component_size) (CoglPixelFormat format, + const uint8_t *src, + component_type *dst, + int width) +{ + switch (format) + { + case COGL_PIXEL_FORMAT_A_8: + G_PASTE (_cogl_unpack_a_8_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_G_8: + G_PASTE (_cogl_unpack_g_8_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RG_88: + G_PASTE (_cogl_unpack_rg_88_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGB_888: + G_PASTE (_cogl_unpack_rgb_888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_BGR_888: + G_PASTE (_cogl_unpack_bgr_888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGBA_8888: + case COGL_PIXEL_FORMAT_RGBA_8888_PRE: + G_PASTE (_cogl_unpack_rgba_8888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_BGRA_8888: + case COGL_PIXEL_FORMAT_BGRA_8888_PRE: + G_PASTE (_cogl_unpack_bgra_8888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_ARGB_8888: + case COGL_PIXEL_FORMAT_ARGB_8888_PRE: + G_PASTE (_cogl_unpack_argb_8888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_ABGR_8888: + case COGL_PIXEL_FORMAT_ABGR_8888_PRE: + G_PASTE (_cogl_unpack_abgr_8888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGB_565: + G_PASTE (_cogl_unpack_rgb_565_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGBA_4444: + case COGL_PIXEL_FORMAT_RGBA_4444_PRE: + G_PASTE (_cogl_unpack_rgba_4444_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGBA_5551: + case COGL_PIXEL_FORMAT_RGBA_5551_PRE: + G_PASTE (_cogl_unpack_rgba_5551_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGBA_1010102: + case COGL_PIXEL_FORMAT_RGBA_1010102_PRE: + G_PASTE (_cogl_unpack_rgba_1010102_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_BGRA_1010102: + case COGL_PIXEL_FORMAT_BGRA_1010102_PRE: + G_PASTE (_cogl_unpack_bgra_1010102_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_ARGB_2101010: + case COGL_PIXEL_FORMAT_ARGB_2101010_PRE: + G_PASTE (_cogl_unpack_argb_2101010_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_ABGR_2101010: + case COGL_PIXEL_FORMAT_ABGR_2101010_PRE: + G_PASTE (_cogl_unpack_abgr_2101010_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_DEPTH_16: + case COGL_PIXEL_FORMAT_DEPTH_32: + case COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8: + case COGL_PIXEL_FORMAT_ANY: + case COGL_PIXEL_FORMAT_YUV: + g_assert_not_reached (); + } +} + +/* Packing from RGBA */ + +/* Pack and round to nearest */ +#define PACK_SIZE(b, max) \ + (((b) * (max) + (1 << (sizeof (component_type) * 8 - 1)) - 1) / \ + ((1 << (sizeof (component_type) * 8)) - 1)) + +#define PACK_1(b) PACK_SIZE (b, 1) +#define PACK_2(b) PACK_SIZE (b, 3) +#define PACK_4(b) PACK_SIZE (b, 15) +#define PACK_5(b) PACK_SIZE (b, 31) +#define PACK_6(b) PACK_SIZE (b, 63) +#define PACK_10(b) PACK_SIZE (b, 1023) + +inline static void +G_PASTE (_cogl_pack_a_8_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + *dst = PACK_BYTE (src[3]); + src += 4; + dst++; + } +} + +inline static void +G_PASTE (_cogl_pack_g_8_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + /* FIXME: I'm not sure if this is right. It looks like Nvidia and + Mesa handle luminance textures differently. Maybe we should + consider just removing luminance textures for Cogl 2.0 because + they have been removed in GL 3.0 */ + while (width-- > 0) + { + component_type v = (src[0] + src[1] + src[2]) / 3; + *dst = PACK_BYTE (v); + src += 4; + dst++; + } +} + +inline static void +G_PASTE (_cogl_pack_rg_88_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = PACK_BYTE (src[0]); + dst[1] = PACK_BYTE (src[1]); + src += 4; + dst += 2; + } +} + +inline static void +G_PASTE (_cogl_pack_rgb_888_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = PACK_BYTE (src[0]); + dst[1] = PACK_BYTE (src[1]); + dst[2] = PACK_BYTE (src[2]); + src += 4; + dst += 3; + } +} + +inline static void +G_PASTE (_cogl_pack_bgr_888_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + dst[2] = PACK_BYTE (src[0]); + dst[1] = PACK_BYTE (src[1]); + dst[0] = PACK_BYTE (src[2]); + src += 4; + dst += 3; + } +} + +inline static void +G_PASTE (_cogl_pack_bgra_8888_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + dst[2] = PACK_BYTE (src[0]); + dst[1] = PACK_BYTE (src[1]); + dst[0] = PACK_BYTE (src[2]); + dst[3] = PACK_BYTE (src[3]); + src += 4; + dst += 4; + } +} + +inline static void +G_PASTE (_cogl_pack_argb_8888_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + dst[1] = PACK_BYTE (src[0]); + dst[2] = PACK_BYTE (src[1]); + dst[3] = PACK_BYTE (src[2]); + dst[0] = PACK_BYTE (src[3]); + src += 4; + dst += 4; + } +} + +inline static void +G_PASTE (_cogl_pack_abgr_8888_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + dst[3] = PACK_BYTE (src[0]); + dst[2] = PACK_BYTE (src[1]); + dst[1] = PACK_BYTE (src[2]); + dst[0] = PACK_BYTE (src[3]); + src += 4; + dst += 4; + } +} + +inline static void +G_PASTE (_cogl_pack_rgba_8888_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + dst[0] = PACK_BYTE (src[0]); + dst[1] = PACK_BYTE (src[1]); + dst[2] = PACK_BYTE (src[2]); + dst[3] = PACK_BYTE (src[3]); + src += 4; + dst += 4; + } +} + +inline static void +G_PASTE (_cogl_pack_rgb_565_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + uint16_t *v = (uint16_t *) dst; + + *v = ((PACK_5 (src[0]) << 11) | + (PACK_6 (src[1]) << 5) | + PACK_5 (src[2])); + src += 4; + dst += 2; + } +} + +inline static void +G_PASTE (_cogl_pack_rgba_4444_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + uint16_t *v = (uint16_t *) dst; + + *v = ((PACK_4 (src[0]) << 12) | + (PACK_4 (src[1]) << 8) | + (PACK_4 (src[2]) << 4) | + PACK_4 (src[3])); + src += 4; + dst += 2; + } +} + +inline static void +G_PASTE (_cogl_pack_rgba_5551_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + uint16_t *v = (uint16_t *) dst; + + *v = ((PACK_5 (src[0]) << 11) | + (PACK_5 (src[1]) << 6) | + (PACK_5 (src[2]) << 1) | + PACK_1 (src[3])); + src += 4; + dst += 2; + } +} + +inline static void +G_PASTE (_cogl_pack_rgba_1010102_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + uint32_t *v = (uint32_t *) dst; + + *v = ((PACK_10 (src[0]) << 22) | + (PACK_10 (src[1]) << 12) | + (PACK_10 (src[2]) << 2) | + PACK_2 (src[3])); + src += 4; + dst += 4; + } +} + +inline static void +G_PASTE (_cogl_pack_bgra_1010102_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + uint32_t *v = (uint32_t *) dst; + + *v = ((PACK_10 (src[2]) << 22) | + (PACK_10 (src[1]) << 12) | + (PACK_10 (src[0]) << 2) | + PACK_2 (src[3])); + src += 4; + dst += 4; + } +} + +inline static void +G_PASTE (_cogl_pack_argb_2101010_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + uint32_t *v = (uint32_t *) dst; + + *v = ((PACK_2 (src[3]) << 30) | + (PACK_10 (src[0]) << 20) | + (PACK_10 (src[1]) << 10) | + PACK_10 (src[2])); + src += 4; + dst += 4; + } +} + +inline static void +G_PASTE (_cogl_pack_abgr_2101010_, component_size) (const component_type *src, + uint8_t *dst, + int width) +{ + while (width-- > 0) + { + uint32_t *v = (uint32_t *) dst; + + *v = ((PACK_2 (src[3]) << 30) | + (PACK_10 (src[2]) << 20) | + (PACK_10 (src[1]) << 10) | + PACK_10 (src[0])); + src += 4; + dst += 4; + } +} + +#undef PACK_SIZE +#undef PACK_1 +#undef PACK_2 +#undef PACK_4 +#undef PACK_5 +#undef PACK_6 +#undef PACK_10 + +inline static void +G_PASTE (_cogl_pack_, component_size) (CoglPixelFormat format, + const component_type *src, + uint8_t *dst, + int width) +{ + switch (format) + { + case COGL_PIXEL_FORMAT_A_8: + G_PASTE (_cogl_pack_a_8_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_G_8: + G_PASTE (_cogl_pack_g_8_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RG_88: + G_PASTE (_cogl_pack_rg_88_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGB_888: + G_PASTE (_cogl_pack_rgb_888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_BGR_888: + G_PASTE (_cogl_pack_bgr_888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGBA_8888: + case COGL_PIXEL_FORMAT_RGBA_8888_PRE: + G_PASTE (_cogl_pack_rgba_8888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_BGRA_8888: + case COGL_PIXEL_FORMAT_BGRA_8888_PRE: + G_PASTE (_cogl_pack_bgra_8888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_ARGB_8888: + case COGL_PIXEL_FORMAT_ARGB_8888_PRE: + G_PASTE (_cogl_pack_argb_8888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_ABGR_8888: + case COGL_PIXEL_FORMAT_ABGR_8888_PRE: + G_PASTE (_cogl_pack_abgr_8888_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGB_565: + G_PASTE (_cogl_pack_rgb_565_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGBA_4444: + case COGL_PIXEL_FORMAT_RGBA_4444_PRE: + G_PASTE (_cogl_pack_rgba_4444_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGBA_5551: + case COGL_PIXEL_FORMAT_RGBA_5551_PRE: + G_PASTE (_cogl_pack_rgba_5551_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_RGBA_1010102: + case COGL_PIXEL_FORMAT_RGBA_1010102_PRE: + G_PASTE (_cogl_pack_rgba_1010102_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_BGRA_1010102: + case COGL_PIXEL_FORMAT_BGRA_1010102_PRE: + G_PASTE (_cogl_pack_bgra_1010102_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_ARGB_2101010: + case COGL_PIXEL_FORMAT_ARGB_2101010_PRE: + G_PASTE (_cogl_pack_argb_2101010_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_ABGR_2101010: + case COGL_PIXEL_FORMAT_ABGR_2101010_PRE: + G_PASTE (_cogl_pack_abgr_2101010_, component_size) (src, dst, width); + break; + case COGL_PIXEL_FORMAT_DEPTH_16: + case COGL_PIXEL_FORMAT_DEPTH_32: + case COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8: + case COGL_PIXEL_FORMAT_ANY: + case COGL_PIXEL_FORMAT_YUV: + g_assert_not_reached (); + } +} diff --git a/cogl/cogl-bitmap-pixbuf.c b/cogl/cogl-bitmap-pixbuf.c new file mode 100644 index 0000000..c1e99db --- /dev/null +++ b/cogl/cogl-bitmap-pixbuf.c @@ -0,0 +1,475 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-bitmap-private.h" +#include "cogl-context-private.h" +#include "cogl-private.h" +#include "cogl-error-private.h" + +#include + +#ifdef USE_QUARTZ +#include +#elif defined(USE_GDKPIXBUF) +#include +#endif + +#ifdef USE_QUARTZ + +CoglBool +_cogl_bitmap_get_size_from_file (const char *filename, + int *width, + int *height) +{ + if (width) + *width = 0; + + if (height) + *height = 0; + + return TRUE; +} + +/* the error does not contain the filename as the caller already has it */ +CoglBitmap * +_cogl_bitmap_from_file (CoglContext *ctx, + const char *filename, + CoglError **error) +{ + CFURLRef url; + CGImageSourceRef image_source; + CGImageRef image; + int save_errno; + CFStringRef type; + size_t width, height, rowstride; + uint8_t *out_data; + CGColorSpaceRef color_space; + CGContextRef bitmap_context; + CoglBitmap *bmp; + + url = CFURLCreateFromFileSystemRepresentation (NULL, + (guchar *) filename, + strlen (filename), + false); + image_source = CGImageSourceCreateWithURL (url, NULL); + save_errno = errno; + CFRelease (url); + + if (image_source == NULL) + { + /* doesn't exist, not readable, etc. */ + _cogl_set_error_literal (error, + COGL_BITMAP_ERROR, + COGL_BITMAP_ERROR_FAILED, + g_strerror (save_errno)); + return NULL; + } + + /* Unknown images would be cleanly caught as zero width/height below, but try + * to provide better error message + */ + type = CGImageSourceGetType (image_source); + if (type == NULL) + { + CFRelease (image_source); + _cogl_set_error_literal (error, + COGL_BITMAP_ERROR, + COGL_BITMAP_ERROR_UNKNOWN_TYPE, + "Unknown image type"); + return NULL; + } + + CFRelease (type); + + image = CGImageSourceCreateImageAtIndex (image_source, 0, NULL); + CFRelease (image_source); + + width = CGImageGetWidth (image); + height = CGImageGetHeight (image); + if (width == 0 || height == 0) + { + /* incomplete or corrupt */ + CFRelease (image); + _cogl_set_error_literal (error, + COGL_BITMAP_ERROR, + COGL_BITMAP_ERROR_CORRUPT_IMAGE, + "Image has zero width or height"); + return NULL; + } + + /* allocate buffer big enough to hold pixel data */ + bmp = _cogl_bitmap_new_with_malloc_buffer (ctx, + width, height, + COGL_PIXEL_FORMAT_ARGB_8888, + error); + if (bmp == NULL) + { + CFRelease (image); + return NULL; + } + rowstride = cogl_bitmap_get_rowstride (bmp); + out_data = _cogl_bitmap_map (bmp, + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + error); + if (out_data == NULL) + { + cogl_object_unref (bmp); + CFRelease (image); + return NULL; + } + + /* render to buffer */ + color_space = CGColorSpaceCreateWithName (kCGColorSpaceGenericRGB); + bitmap_context = CGBitmapContextCreate (out_data, + width, height, 8, + rowstride, color_space, + kCGImageAlphaPremultipliedFirst); + CGColorSpaceRelease (color_space); + + CGContextSetBlendMode (bitmap_context, kCGBlendModeCopy); + + { + const CGRect rect = {{0, 0}, {width, height}}; + + CGContextDrawImage (bitmap_context, rect, image); + } + + CGImageRelease (image); + CGContextRelease (bitmap_context); + + _cogl_bitmap_unmap (bmp); + + /* store bitmap info */ + return bmp; +} + +#elif defined(USE_GDKPIXBUF) + +CoglBool +_cogl_bitmap_get_size_from_file (const char *filename, + int *width, + int *height) +{ + _COGL_RETURN_VAL_IF_FAIL (filename != NULL, FALSE); + + if (gdk_pixbuf_get_file_info (filename, width, height) != NULL) + return TRUE; + + return FALSE; +} + +CoglBitmap * +_cogl_bitmap_from_file (CoglContext *ctx, + const char *filename, + CoglError **error) +{ + static CoglUserDataKey pixbuf_key; + GdkPixbuf *pixbuf; + CoglBool has_alpha; + GdkColorspace color_space; + CoglPixelFormat pixel_format; + int width; + int height; + int rowstride; + int bits_per_sample; + int n_channels; + CoglBitmap *bmp; + GError *glib_error = NULL; + + /* Load from file using GdkPixbuf */ + pixbuf = gdk_pixbuf_new_from_file (filename, &glib_error); + if (pixbuf == NULL) + { + _cogl_propagate_gerror (error, glib_error); + return FALSE; + } + + /* Get pixbuf properties */ + has_alpha = gdk_pixbuf_get_has_alpha (pixbuf); + color_space = gdk_pixbuf_get_colorspace (pixbuf); + width = gdk_pixbuf_get_width (pixbuf); + height = gdk_pixbuf_get_height (pixbuf); + rowstride = gdk_pixbuf_get_rowstride (pixbuf); + bits_per_sample = gdk_pixbuf_get_bits_per_sample (pixbuf); + n_channels = gdk_pixbuf_get_n_channels (pixbuf); + + /* According to current docs this should be true and so + * the translation to cogl pixel format below valid */ + g_assert (bits_per_sample == 8); + + if (has_alpha) + g_assert (n_channels == 4); + else + g_assert (n_channels == 3); + + /* Translate to cogl pixel format */ + switch (color_space) + { + case GDK_COLORSPACE_RGB: + /* The only format supported by GdkPixbuf so far */ + pixel_format = has_alpha ? + COGL_PIXEL_FORMAT_RGBA_8888 : + COGL_PIXEL_FORMAT_RGB_888; + break; + + default: + /* Ouch, spec changed! */ + g_object_unref (pixbuf); + return FALSE; + } + + /* We just use the data directly from the pixbuf so that we don't + have to copy to a seperate buffer. Note that Cogl is expected not + to read past the end of bpp*width on the last row even if the + rowstride is much larger so we don't need to worry about + GdkPixbuf's semantics that it may under-allocate the buffer. */ + bmp = cogl_bitmap_new_for_data (ctx, + width, + height, + pixel_format, + rowstride, + gdk_pixbuf_get_pixels (pixbuf)); + + cogl_object_set_user_data (COGL_OBJECT (bmp), + &pixbuf_key, + pixbuf, + g_object_unref); + + return bmp; +} + +#else + +#include "stb_image.c" + +CoglBool +_cogl_bitmap_get_size_from_file (const char *filename, + int *width, + int *height) +{ + if (width) + *width = 0; + + if (height) + *height = 0; + + return TRUE; +} + +/* stb_image.c supports an STBI_grey_alpha format which we don't have + * a corresponding CoglPixelFormat for so as a special case we + * convert this to rgba8888. + * + * If we have a use case where this is an important format to consider + * then it could be worth adding a corresponding CoglPixelFormat + * instead. + */ +static uint8_t * +convert_ra_88_to_rgba_8888 (uint8_t *pixels, + int width, + int height) +{ + int x, y; + uint8_t *buf; + size_t in_stride = width * 2; + size_t out_stride = width * 4; + + buf = malloc (width * height * 4); + if (buf) + return NULL; + + for (y = 0; y < height; y++) + for (x = 0; x < width; x++) + { + uint8_t *src = pixels + in_stride * y + 2 * x; + uint8_t *dst = buf + out_stride * y + 4 * x; + + dst[0] = src[0]; + dst[1] = src[0]; + dst[2] = src[0]; + dst[3] = src[1]; + } + + return buf; +} + +static CoglBitmap * +_cogl_bitmap_new_from_stb_pixels (CoglContext *ctx, + uint8_t *pixels, + int stb_pixel_format, + int width, + int height, + CoglError **error) +{ + static CoglUserDataKey bitmap_data_key; + CoglBitmap *bmp; + CoglPixelFormat cogl_format; + size_t stride; + + if (pixels == NULL) + { + _cogl_set_error_literal (error, + COGL_BITMAP_ERROR, + COGL_BITMAP_ERROR_FAILED, + "Failed to load image with stb image library"); + return NULL; + } + + switch (stb_pixel_format) + { + case STBI_grey: + cogl_format = COGL_PIXEL_FORMAT_A_8; + break; + case STBI_grey_alpha: + { + uint8_t *tmp = pixels; + + pixels = convert_ra_88_to_rgba_8888 (pixels, width, height); + free (tmp); + + if (!pixels) + { + _cogl_set_error_literal (error, + COGL_BITMAP_ERROR, + COGL_BITMAP_ERROR_FAILED, + "Failed to alloc memory to convert " + "gray_alpha to rgba8888"); + return NULL; + } + + cogl_format = COGL_PIXEL_FORMAT_RGBA_8888; + break; + } + case STBI_rgb: + cogl_format = COGL_PIXEL_FORMAT_RGB_888; + break; + case STBI_rgb_alpha: + cogl_format = COGL_PIXEL_FORMAT_RGBA_8888; + break; + + default: + g_warn_if_reached (); + return NULL; + } + + stride = width * _cogl_pixel_format_get_bytes_per_pixel (cogl_format); + + /* Store bitmap info */ + bmp = cogl_bitmap_new_for_data (ctx, + width, height, + cogl_format, + stride, + pixels); + + /* Register a destroy function so the pixel data will be freed + automatically when the bitmap object is destroyed */ + cogl_object_set_user_data (COGL_OBJECT (bmp), &bitmap_data_key, pixels, free); + + return bmp; +} + +CoglBitmap * +_cogl_bitmap_from_file (CoglContext *ctx, + const char *filename, + CoglError **error) +{ + int stb_pixel_format; + int width; + int height; + uint8_t *pixels; + + pixels = stbi_load (filename, + &width, &height, &stb_pixel_format, + STBI_default); + + return _cogl_bitmap_new_from_stb_pixels (ctx, pixels, stb_pixel_format, + width, height, + error); +} + +#ifdef COGL_HAS_ANDROID_SUPPORT +CoglBitmap * +_cogl_android_bitmap_new_from_asset (CoglContext *ctx, + AAssetManager *manager, + const char *filename, + CoglError **error) +{ + AAsset *asset; + const void *data; + off_t len; + int stb_pixel_format; + int width; + int height; + uint8_t *pixels; + CoglBitmap *bmp; + + asset = AAssetManager_open (manager, filename, AASSET_MODE_BUFFER); + if (!asset) + { + _cogl_set_error_literal (error, + COGL_BITMAP_ERROR, + COGL_BITMAP_ERROR_FAILED, + "Failed to open asset"); + return NULL; + } + + data = AAsset_getBuffer (asset); + if (!data) + { + _cogl_set_error_literal (error, + COGL_BITMAP_ERROR, + COGL_BITMAP_ERROR_FAILED, + "Failed to ::getBuffer from asset"); + return NULL; + } + + len = AAsset_getLength (asset); + + pixels = stbi_load_from_memory (data, len, + &width, &height, + &stb_pixel_format, STBI_default); + + bmp = _cogl_bitmap_new_from_stb_pixels (ctx, pixels, stb_pixel_format, + width, height, + error); + + AAsset_close (asset); + + return bmp; +} +#endif + +#endif diff --git a/cogl/cogl-bitmap-private.h b/cogl/cogl-bitmap-private.h new file mode 100644 index 0000000..8b29433 --- /dev/null +++ b/cogl/cogl-bitmap-private.h @@ -0,0 +1,213 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007 OpenedHand + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_BITMAP_H +#define __COGL_BITMAP_H + +#include + +#include "cogl-object-private.h" +#include "cogl-buffer.h" +#include "cogl-bitmap.h" + +#ifdef COGL_HAS_ANDROID_SUPPORT +#include +#endif + +struct _CoglBitmap +{ + CoglObject _parent; + + /* Pointer back to the context that this bitmap was created with */ + CoglContext *context; + + CoglPixelFormat format; + int width; + int height; + int rowstride; + + uint8_t *data; + + CoglBool mapped; + CoglBool bound; + + /* If this is non-null then 'data' is ignored and instead it is + fetched from this shared bitmap. */ + CoglBitmap *shared_bmp; + + /* If this is non-null then 'data' is treated as an offset into the + buffer and map will divert to mapping the buffer */ + CoglBuffer *buffer; +}; + + +/* + * _cogl_bitmap_new_with_malloc_buffer: + * @context: A #CoglContext + * @width: width of the bitmap in pixels + * @height: height of the bitmap in pixels + * @format: the format of the pixels the array will store + * @error: A #CoglError for catching exceptional errors or %NULL + * + * This is equivalent to cogl_bitmap_new_with_size() except that it + * allocated the buffer using g_malloc() instead of creating a + * #CoglPixelBuffer. The buffer will be automatically destroyed when + * the bitmap is freed. + * + * Return value: a #CoglPixelBuffer representing the newly created array + * + * Since: 1.10 + * Stability: Unstable + */ +CoglBitmap * +_cogl_bitmap_new_with_malloc_buffer (CoglContext *context, + unsigned int width, + unsigned int height, + CoglPixelFormat format, + CoglError **error); + +/* The idea of this function is that it will create a bitmap that + shares the actual data with another bitmap. This is needed for the + atlas texture backend because it needs upload a bitmap to a sub + texture but override the format so that it ignores the premult + flag. */ +CoglBitmap * +_cogl_bitmap_new_shared (CoglBitmap *shared_bmp, + CoglPixelFormat format, + int width, + int height, + int rowstride); + +CoglBitmap * +_cogl_bitmap_convert (CoglBitmap *bmp, + CoglPixelFormat dst_format, + CoglError **error); + +CoglBitmap * +_cogl_bitmap_convert_for_upload (CoglBitmap *src_bmp, + CoglPixelFormat internal_format, + CoglBool can_convert_in_place, + CoglError **error); + +CoglBool +_cogl_bitmap_convert_into_bitmap (CoglBitmap *src_bmp, + CoglBitmap *dst_bmp, + CoglError **error); + +CoglBitmap * +_cogl_bitmap_from_file (CoglContext *ctx, + const char *filename, + CoglError **error); + +#ifdef COGL_HAS_ANDROID_SUPPORT +CoglBitmap * +_cogl_android_bitmap_new_from_asset (CoglContext *ctx, + AAssetManager *manager, + const char *filename, + CoglError **error); +#endif + +CoglBool +_cogl_bitmap_unpremult (CoglBitmap *dst_bmp, + CoglError **error); + +CoglBool +_cogl_bitmap_premult (CoglBitmap *dst_bmp, + CoglError **error); + +CoglBool +_cogl_bitmap_convert_premult_status (CoglBitmap *bmp, + CoglPixelFormat dst_format, + CoglError **error); + +CoglBool +_cogl_bitmap_copy_subregion (CoglBitmap *src, + CoglBitmap *dst, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height, + CoglError **error); + +/* Creates a deep copy of the source bitmap */ +CoglBitmap * +_cogl_bitmap_copy (CoglBitmap *src_bmp, + CoglError **error); + +CoglBool +_cogl_bitmap_get_size_from_file (const char *filename, + int *width, + int *height); + +void +_cogl_bitmap_set_format (CoglBitmap *bitmap, + CoglPixelFormat format); + +/* Maps the bitmap so that the pixels can be accessed directly or if + the bitmap is just a memory bitmap then it just returns the pointer + to memory. Note that the bitmap isn't guaranteed to allocated to + the full size of rowstride*height so it is not safe to read up to + the rowstride of the last row. This will be the case if the user + uploads data using gdk_pixbuf_new_subpixbuf with a sub region + containing the last row of the pixbuf because in that case the + rowstride can be much larger than the width of the image */ +uint8_t * +_cogl_bitmap_map (CoglBitmap *bitmap, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error); + +void +_cogl_bitmap_unmap (CoglBitmap *bitmap); + +/* These two are replacements for map and unmap that should used when + * the pointer is going to be passed to GL for pixel packing or + * unpacking. The address might not be valid for reading if the bitmap + * was created with new_from_buffer but it will however be good to + * pass to glTexImage2D for example. The access should be READ for + * unpacking and WRITE for packing. It can not be both + * + * TODO: split this bind/unbind functions out into a GL specific file + */ +uint8_t * +_cogl_bitmap_gl_bind (CoglBitmap *bitmap, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error); + +void +_cogl_bitmap_gl_unbind (CoglBitmap *bitmap); + +CoglContext * +_cogl_bitmap_get_context (CoglBitmap *bitmap); + +#endif /* __COGL_BITMAP_H */ diff --git a/cogl/cogl-bitmap.c b/cogl/cogl-bitmap.c new file mode 100644 index 0000000..5b2aa8e --- /dev/null +++ b/cogl/cogl-bitmap.c @@ -0,0 +1,538 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-debug.h" +#include "cogl-private.h" +#include "cogl-bitmap-private.h" +#include "cogl-buffer-private.h" +#include "cogl-pixel-buffer.h" +#include "cogl-context-private.h" +#include "cogl-buffer-gl-private.h" +#include "cogl-error-private.h" +#include "cogl-gtype-private.h" + +#include + +static void _cogl_bitmap_free (CoglBitmap *bmp); + +COGL_OBJECT_DEFINE (Bitmap, bitmap); +COGL_GTYPE_DEFINE_CLASS (Bitmap, bitmap); + +static void +_cogl_bitmap_free (CoglBitmap *bmp) +{ + g_assert (!bmp->mapped); + g_assert (!bmp->bound); + + if (bmp->shared_bmp) + cogl_object_unref (bmp->shared_bmp); + + if (bmp->buffer) + cogl_object_unref (bmp->buffer); + + g_slice_free (CoglBitmap, bmp); +} + +CoglBool +_cogl_bitmap_convert_premult_status (CoglBitmap *bmp, + CoglPixelFormat dst_format, + CoglError **error) +{ + /* Do we need to unpremultiply? */ + if ((bmp->format & COGL_PREMULT_BIT) > 0 && + (dst_format & COGL_PREMULT_BIT) == 0 && + COGL_PIXEL_FORMAT_CAN_HAVE_PREMULT (dst_format)) + return _cogl_bitmap_unpremult (bmp, error); + + /* Do we need to premultiply? */ + if ((bmp->format & COGL_PREMULT_BIT) == 0 && + COGL_PIXEL_FORMAT_CAN_HAVE_PREMULT (bmp->format) && + (dst_format & COGL_PREMULT_BIT) > 0) + /* Try premultiplying using imaging library */ + return _cogl_bitmap_premult (bmp, error); + + return TRUE; +} + +CoglBitmap * +_cogl_bitmap_copy (CoglBitmap *src_bmp, + CoglError **error) +{ + CoglBitmap *dst_bmp; + CoglPixelFormat src_format = cogl_bitmap_get_format (src_bmp); + int width = cogl_bitmap_get_width (src_bmp); + int height = cogl_bitmap_get_height (src_bmp); + + dst_bmp = + _cogl_bitmap_new_with_malloc_buffer (src_bmp->context, + width, height, + src_format, + error); + if (!dst_bmp) + return NULL; + + if (!_cogl_bitmap_copy_subregion (src_bmp, + dst_bmp, + 0, 0, /* src_x/y */ + 0, 0, /* dst_x/y */ + width, height, + error)) + { + cogl_object_unref (dst_bmp); + return NULL; + } + + return dst_bmp; +} + +CoglBool +_cogl_bitmap_copy_subregion (CoglBitmap *src, + CoglBitmap *dst, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height, + CoglError **error) +{ + uint8_t *srcdata; + uint8_t *dstdata; + int bpp; + int line; + CoglBool succeeded = FALSE; + + /* Intended only for fast copies when format is equal! */ + _COGL_RETURN_VAL_IF_FAIL ((src->format & ~COGL_PREMULT_BIT) == + (dst->format & ~COGL_PREMULT_BIT), + FALSE); + + bpp = _cogl_pixel_format_get_bytes_per_pixel (src->format); + + if ((srcdata = _cogl_bitmap_map (src, COGL_BUFFER_ACCESS_READ, 0, error))) + { + if ((dstdata = + _cogl_bitmap_map (dst, COGL_BUFFER_ACCESS_WRITE, 0, error))) + { + srcdata += src_y * src->rowstride + src_x * bpp; + dstdata += dst_y * dst->rowstride + dst_x * bpp; + + for (line = 0; line < height; ++line) + { + memcpy (dstdata, srcdata, width * bpp); + srcdata += src->rowstride; + dstdata += dst->rowstride; + } + + succeeded = TRUE; + + _cogl_bitmap_unmap (dst); + } + + _cogl_bitmap_unmap (src); + } + + return succeeded; +} + +CoglBool +cogl_bitmap_get_size_from_file (const char *filename, + int *width, + int *height) +{ + return _cogl_bitmap_get_size_from_file (filename, width, height); +} + +CoglBitmap * +cogl_bitmap_new_for_data (CoglContext *context, + int width, + int height, + CoglPixelFormat format, + int rowstride, + uint8_t *data) +{ + CoglBitmap *bmp; + + g_return_val_if_fail (cogl_is_context (context), NULL); + + /* Rowstride from width if not given */ + if (rowstride == 0) + rowstride = width * _cogl_pixel_format_get_bytes_per_pixel (format); + + bmp = g_slice_new (CoglBitmap); + bmp->context = context; + bmp->format = format; + bmp->width = width; + bmp->height = height; + bmp->rowstride = rowstride; + bmp->data = data; + bmp->mapped = FALSE; + bmp->bound = FALSE; + bmp->shared_bmp = NULL; + bmp->buffer = NULL; + + return _cogl_bitmap_object_new (bmp); +} + +CoglBitmap * +_cogl_bitmap_new_with_malloc_buffer (CoglContext *context, + unsigned int width, + unsigned int height, + CoglPixelFormat format, + CoglError **error) +{ + static CoglUserDataKey bitmap_free_key; + int bpp = _cogl_pixel_format_get_bytes_per_pixel (format); + int rowstride = ((width * bpp) + 3) & ~3; + uint8_t *data = g_try_malloc (rowstride * height); + CoglBitmap *bitmap; + + if (!data) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_NO_MEMORY, + "Failed to allocate memory for bitmap"); + return NULL; + } + + bitmap = cogl_bitmap_new_for_data (context, + width, height, + format, + rowstride, + data); + cogl_object_set_user_data (COGL_OBJECT (bitmap), + &bitmap_free_key, + data, + g_free); + + return bitmap; +} + +CoglBitmap * +_cogl_bitmap_new_shared (CoglBitmap *shared_bmp, + CoglPixelFormat format, + int width, + int height, + int rowstride) +{ + CoglBitmap *bmp; + + bmp = cogl_bitmap_new_for_data (shared_bmp->context, + width, height, + format, + rowstride, + NULL /* data */); + + bmp->shared_bmp = cogl_object_ref (shared_bmp); + + return bmp; +} + +CoglBitmap * +cogl_bitmap_new_from_file (const char *filename, + CoglError **error) +{ + _COGL_GET_CONTEXT (ctx, NULL); + + _COGL_RETURN_VAL_IF_FAIL (filename != NULL, NULL); + _COGL_RETURN_VAL_IF_FAIL (error == NULL || *error == NULL, NULL); + + return _cogl_bitmap_from_file (ctx, filename, error); +} + +CoglBitmap * +cogl_bitmap_new_from_buffer (CoglBuffer *buffer, + CoglPixelFormat format, + int width, + int height, + int rowstride, + int offset) +{ + CoglBitmap *bmp; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_buffer (buffer), NULL); + + bmp = cogl_bitmap_new_for_data (buffer->context, + width, height, + format, + rowstride, + NULL /* data */); + + bmp->buffer = cogl_object_ref (buffer); + bmp->data = GINT_TO_POINTER (offset); + + return bmp; +} + +CoglBitmap * +cogl_bitmap_new_with_size (CoglContext *context, + unsigned int width, + unsigned int height, + CoglPixelFormat format) +{ + CoglPixelBuffer *pixel_buffer; + CoglBitmap *bitmap; + unsigned int rowstride; + + /* creating a buffer to store "any" format does not make sense */ + _COGL_RETURN_VAL_IF_FAIL (format != COGL_PIXEL_FORMAT_ANY, NULL); + + /* for now we fallback to cogl_pixel_buffer_new, later, we could ask + * libdrm a tiled buffer for instance */ + rowstride = width * _cogl_pixel_format_get_bytes_per_pixel (format); + + pixel_buffer = + cogl_pixel_buffer_new (context, + height * rowstride, + NULL); /* data */ + + _COGL_RETURN_VAL_IF_FAIL (pixel_buffer != NULL, NULL); + + bitmap = cogl_bitmap_new_from_buffer (COGL_BUFFER (pixel_buffer), + format, + width, height, + rowstride, + 0 /* offset */); + + cogl_object_unref (pixel_buffer); + + return bitmap; +} + +#ifdef COGL_HAS_ANDROID_SUPPORT +CoglBitmap * +cogl_android_bitmap_new_from_asset (CoglContext *ctx, + AAssetManager *manager, + const char *filename, + CoglError **error) +{ + _COGL_RETURN_VAL_IF_FAIL (ctx != NULL, NULL); + _COGL_RETURN_VAL_IF_FAIL (manager != NULL, NULL); + _COGL_RETURN_VAL_IF_FAIL (filename != NULL, NULL); + _COGL_RETURN_VAL_IF_FAIL (error == NULL || *error == NULL, NULL); + + return _cogl_android_bitmap_new_from_asset (ctx, manager, filename, error); +} +#endif + +CoglPixelFormat +cogl_bitmap_get_format (CoglBitmap *bitmap) +{ + return bitmap->format; +} + +void +_cogl_bitmap_set_format (CoglBitmap *bitmap, + CoglPixelFormat format) +{ + bitmap->format = format; +} + +int +cogl_bitmap_get_width (CoglBitmap *bitmap) +{ + return bitmap->width; +} + +int +cogl_bitmap_get_height (CoglBitmap *bitmap) +{ + return bitmap->height; +} + +int +cogl_bitmap_get_rowstride (CoglBitmap *bitmap) +{ + return bitmap->rowstride; +} + +CoglPixelBuffer * +cogl_bitmap_get_buffer (CoglBitmap *bitmap) +{ + while (bitmap->shared_bmp) + bitmap = bitmap->shared_bmp; + + return COGL_PIXEL_BUFFER (bitmap->buffer); +} + +uint32_t +cogl_bitmap_error_quark (void) +{ + return g_quark_from_static_string ("cogl-bitmap-error-quark"); +} + +uint8_t * +_cogl_bitmap_map (CoglBitmap *bitmap, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error) +{ + /* Divert to another bitmap if this data is shared */ + if (bitmap->shared_bmp) + return _cogl_bitmap_map (bitmap->shared_bmp, access, hints, error); + + g_assert (!bitmap->mapped); + + if (bitmap->buffer) + { + uint8_t *data = _cogl_buffer_map (bitmap->buffer, + access, + hints, + error); + + COGL_NOTE (BITMAP, "A pixel array is being mapped from a bitmap. This " + "usually means that some conversion on the pixel array is " + "needed so a sub-optimal format is being used."); + + if (data) + { + bitmap->mapped = TRUE; + + return data + GPOINTER_TO_INT (bitmap->data); + } + else + return NULL; + } + else + { + bitmap->mapped = TRUE; + + return bitmap->data; + } +} + +void +_cogl_bitmap_unmap (CoglBitmap *bitmap) +{ + /* Divert to another bitmap if this data is shared */ + if (bitmap->shared_bmp) + { + _cogl_bitmap_unmap (bitmap->shared_bmp); + return; + } + + g_assert (bitmap->mapped); + bitmap->mapped = FALSE; + + if (bitmap->buffer) + cogl_buffer_unmap (bitmap->buffer); +} + +uint8_t * +_cogl_bitmap_gl_bind (CoglBitmap *bitmap, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error) +{ + uint8_t *ptr; + CoglError *internal_error = NULL; + + g_return_val_if_fail (access & (COGL_BUFFER_ACCESS_READ | + COGL_BUFFER_ACCESS_WRITE), + NULL); + + /* Divert to another bitmap if this data is shared */ + if (bitmap->shared_bmp) + return _cogl_bitmap_gl_bind (bitmap->shared_bmp, access, hints, error); + + _COGL_RETURN_VAL_IF_FAIL (!bitmap->bound, NULL); + + /* If the bitmap wasn't created from a buffer then the + implementation of bind is the same as map */ + if (bitmap->buffer == NULL) + { + uint8_t *data = _cogl_bitmap_map (bitmap, access, hints, error); + if (data) + bitmap->bound = TRUE; + return data; + } + + if (access == COGL_BUFFER_ACCESS_READ) + ptr = _cogl_buffer_gl_bind (bitmap->buffer, + COGL_BUFFER_BIND_TARGET_PIXEL_UNPACK, + &internal_error); + else if (access == COGL_BUFFER_ACCESS_WRITE) + ptr = _cogl_buffer_gl_bind (bitmap->buffer, + COGL_BUFFER_BIND_TARGET_PIXEL_PACK, + &internal_error); + else + { + ptr = NULL; + g_assert_not_reached (); + return NULL; + } + + /* NB: _cogl_buffer_gl_bind() may return NULL in non-error + * conditions so we have to explicitly check internal_error to see + * if an exception was thrown */ + if (internal_error) + { + _cogl_propagate_error (error, internal_error); + return NULL; + } + + bitmap->bound = TRUE; + + /* The data pointer actually stores the offset */ + return ptr + GPOINTER_TO_INT (bitmap->data); +} + +void +_cogl_bitmap_gl_unbind (CoglBitmap *bitmap) +{ + /* Divert to another bitmap if this data is shared */ + if (bitmap->shared_bmp) + { + _cogl_bitmap_gl_unbind (bitmap->shared_bmp); + return; + } + + g_assert (bitmap->bound); + bitmap->bound = FALSE; + + /* If the bitmap wasn't created from a pixel array then the + implementation of unbind is the same as unmap */ + if (bitmap->buffer) + _cogl_buffer_gl_unbind (bitmap->buffer); + else + _cogl_bitmap_unmap (bitmap); +} + +CoglContext * +_cogl_bitmap_get_context (CoglBitmap *bitmap) +{ + return bitmap->context; +} diff --git a/cogl/cogl-bitmap.h b/cogl/cogl-bitmap.h new file mode 100644 index 0000000..13b5cd2 --- /dev/null +++ b/cogl/cogl-bitmap.h @@ -0,0 +1,336 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_BITMAP_H__ +#define __COGL_BITMAP_H__ + +/* XXX: We forward declare CoglBitmap here to allow for circular + * dependencies between some headers */ +typedef struct _CoglBitmap CoglBitmap; + +#include +#include +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +#ifdef COGL_HAS_ANDROID_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_bitmap_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_bitmap_get_gtype (void); +#endif + +/** + * SECTION:cogl-bitmap + * @short_description: Functions for loading images + * + * Cogl allows loading image data into memory as CoglBitmaps without + * loading them immediately into GPU textures. + * + * #CoglBitmap is available since Cogl 1.0 + */ + + +/** + * cogl_bitmap_new_from_file: + * @filename: the file to load. + * @error: a #CoglError or %NULL. + * + * Loads an image file from disk. This function can be safely called from + * within a thread. + * + * Return value: (transfer full): a #CoglBitmap to the new loaded + * image data, or %NULL if loading the image failed. + * + * Since: 1.0 + */ +CoglBitmap * +cogl_bitmap_new_from_file (const char *filename, + CoglError **error); + +#ifdef COGL_HAS_ANDROID_SUPPORT +/** + * cogl_android_bitmap_new_from_asset: + * @context: A #CoglContext + * @manager: An Android Asset Manager. + * @filename: The file name for the asset + * @error: A return location for a CoglError exception. + * + * Loads an Android asset into a newly allocated #CoglBitmap. + * + * Return value: (transfer full): A newly allocated #CoglBitmap + * holding the image data of the specified asset. + * + * Since: 2.0 + */ +CoglBitmap * +cogl_android_bitmap_new_from_asset (CoglContext *context, + AAssetManager *manager, + const char *filename, + CoglError **error); +#endif + +#if defined (COGL_ENABLE_EXPERIMENTAL_API) + +/** + * cogl_bitmap_new_from_buffer: + * @buffer: A #CoglBuffer containing image data + * @format: The #CoglPixelFormat defining the format of the image data + * in the given @buffer. + * @width: The width of the image data in the given @buffer. + * @height: The height of the image data in the given @buffer. + * @rowstride: The rowstride in bytes of the image data in the given @buffer. + * @offset: The offset into the given @buffer to the first pixel that + * should be considered part of the #CoglBitmap. + * + * Wraps some image data that has been uploaded into a #CoglBuffer as + * a #CoglBitmap. The data is not copied in this process. + * + * Return value: (transfer full): a #CoglBitmap encapsulating the given @buffer. + * + * Since: 1.8 + * Stability: unstable + */ +CoglBitmap * +cogl_bitmap_new_from_buffer (CoglBuffer *buffer, + CoglPixelFormat format, + int width, + int height, + int rowstride, + int offset); + +/** + * cogl_bitmap_new_with_size: + * @context: A #CoglContext + * @width: width of the bitmap in pixels + * @height: height of the bitmap in pixels + * @format: the format of the pixels the array will store + * + * Creates a new #CoglBitmap with the given width, height and format. + * The initial contents of the bitmap are undefined. + * + * The data for the bitmap will be stored in a newly created + * #CoglPixelBuffer. You can get a pointer to the pixel buffer using + * cogl_bitmap_get_buffer(). The #CoglBuffer API can then be + * used to fill the bitmap with data. + * + * Cogl will try its best to provide a hardware array you can + * map, write into and effectively do a zero copy upload when creating + * a texture from it with cogl_texture_new_from_bitmap(). For various + * reasons, such arrays are likely to have a stride larger than width + * * bytes_per_pixel. The user must take the stride into account when + * writing into it. The stride can be retrieved with + * cogl_bitmap_get_rowstride(). + * + * Return value: (transfer full): a #CoglPixelBuffer representing the + * newly created array or %NULL on failure + * + * Since: 1.10 + * Stability: Unstable + */ +CoglBitmap * +cogl_bitmap_new_with_size (CoglContext *context, + unsigned int width, + unsigned int height, + CoglPixelFormat format); + +/** + * cogl_bitmap_new_for_data: + * @context: A #CoglContext + * @width: The width of the bitmap. + * @height: The height of the bitmap. + * @format: The format of the pixel data. + * @rowstride: The rowstride of the bitmap (the number of bytes from + * the start of one row of the bitmap to the next). + * @data: A pointer to the data. The bitmap will take ownership of this data. + * + * Creates a bitmap using some existing data. The data is not copied + * so the application must keep the buffer alive for the lifetime of + * the #CoglBitmap. This can be used for example with + * cogl_framebuffer_read_pixels_into_bitmap() to read data directly + * into an application buffer with the specified rowstride. + * + * Return value: (transfer full): A new #CoglBitmap. + * Since: 1.10 + * Stability: unstable + */ +CoglBitmap * +cogl_bitmap_new_for_data (CoglContext *context, + int width, + int height, + CoglPixelFormat format, + int rowstride, + uint8_t *data); + +/** + * cogl_bitmap_get_format: + * @bitmap: A #CoglBitmap + * + * Return value: the #CoglPixelFormat that the data for the bitmap is in. + * Since: 1.10 + * Stability: unstable + */ +CoglPixelFormat +cogl_bitmap_get_format (CoglBitmap *bitmap); + +/** + * cogl_bitmap_get_width: + * @bitmap: A #CoglBitmap + * + * Return value: the width of the bitmap + * Since: 1.10 + * Stability: unstable + */ +int +cogl_bitmap_get_width (CoglBitmap *bitmap); + +/** + * cogl_bitmap_get_height: + * @bitmap: A #CoglBitmap + * + * Return value: the height of the bitmap + * Since: 1.10 + * Stability: unstable + */ +int +cogl_bitmap_get_height (CoglBitmap *bitmap); + +/** + * cogl_bitmap_get_rowstride: + * @bitmap: A #CoglBitmap + * + * Return value: the rowstride of the bitmap. This is the number of + * bytes between the address of start of one row to the address of the + * next row in the image. + * Since: 1.10 + * Stability: unstable + */ +int +cogl_bitmap_get_rowstride (CoglBitmap *bitmap); + +/** + * cogl_bitmap_get_buffer: + * @bitmap: A #CoglBitmap + * + * Return value: (transfer none): the #CoglPixelBuffer that this + * buffer uses for storage. Note that if the bitmap was created with + * cogl_bitmap_new_from_file() then it will not actually be using a + * pixel buffer and this function will return %NULL. + * Stability: unstable + * Since: 1.10 + */ +CoglPixelBuffer * +cogl_bitmap_get_buffer (CoglBitmap *bitmap); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +/** + * cogl_bitmap_get_size_from_file: + * @filename: the file to check + * @width: (out): return location for the bitmap width, or %NULL + * @height: (out): return location for the bitmap height, or %NULL + * + * Parses an image file enough to extract the width and height + * of the bitmap. + * + * Return value: %TRUE if the image was successfully parsed + * + * Since: 1.0 + */ +CoglBool +cogl_bitmap_get_size_from_file (const char *filename, + int *width, + int *height); + +/** + * cogl_is_bitmap: + * @object: a #CoglObject pointer + * + * Checks whether @object is a #CoglBitmap + * + * Return value: %TRUE if the passed @object represents a bitmap, + * and %FALSE otherwise + * + * Since: 1.0 + */ +CoglBool +cogl_is_bitmap (void *object); + +/** + * COGL_BITMAP_ERROR: + * + * #CoglError domain for bitmap errors. + * + * Since: 1.4 + */ +#define COGL_BITMAP_ERROR (cogl_bitmap_error_quark ()) + +/** + * CoglBitmapError: + * @COGL_BITMAP_ERROR_FAILED: Generic failure code, something went + * wrong. + * @COGL_BITMAP_ERROR_UNKNOWN_TYPE: Unknown image type. + * @COGL_BITMAP_ERROR_CORRUPT_IMAGE: An image file was broken somehow. + * + * Error codes that can be thrown when performing bitmap + * operations. Note that gdk_pixbuf_new_from_file() can also throw + * errors directly from the underlying image loading library. For + * example, if GdkPixbuf is used then errors #GdkPixbufErrors + * will be used directly. + * + * Since: 1.4 + */ +typedef enum { + COGL_BITMAP_ERROR_FAILED, + COGL_BITMAP_ERROR_UNKNOWN_TYPE, + COGL_BITMAP_ERROR_CORRUPT_IMAGE +} CoglBitmapError; + +uint32_t cogl_bitmap_error_quark (void); + +COGL_END_DECLS + +#endif /* __COGL_BITMAP_H__ */ diff --git a/cogl/cogl-bitmask.c b/cogl/cogl-bitmask.c new file mode 100644 index 0000000..7034bc9 --- /dev/null +++ b/cogl/cogl-bitmask.c @@ -0,0 +1,489 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#include "config.h" + +#include +#include + +#include + +#include "cogl-bitmask.h" +#include "cogl-util.h" +#include "cogl-flags.h" + +/* This code assumes that we can cast an unsigned long to a pointer + and back without losing any data */ +_COGL_STATIC_ASSERT (sizeof (unsigned long) <= sizeof (void *), + "This toolchain breaks Cogl's assumption that it can " + "safely cast an unsigned long to a pointer without " + "loosing data"); + +#define ARRAY_INDEX(bit_num) \ + ((bit_num) / (sizeof (unsigned long) * 8)) +#define BIT_INDEX(bit_num) \ + ((bit_num) & (sizeof (unsigned long) * 8 - 1)) +#define BIT_MASK(bit_num) \ + (1UL << BIT_INDEX (bit_num)) + +CoglBool +_cogl_bitmask_get_from_array (const CoglBitmask *bitmask, + unsigned int bit_num) +{ + GArray *array = (GArray *) *bitmask; + + /* If the index is off the end of the array then assume the bit is + not set */ + if (bit_num >= sizeof (unsigned long) * 8 * array->len) + return FALSE; + else + return !!(g_array_index (array, unsigned long, ARRAY_INDEX (bit_num)) & + BIT_MASK (bit_num)); +} + +static void +_cogl_bitmask_convert_to_array (CoglBitmask *bitmask) +{ + GArray *array; + /* Fetch the old values */ + unsigned long old_values = _cogl_bitmask_to_bits (bitmask); + + array = g_array_new (FALSE, /* not zero-terminated */ + TRUE, /* do clear new entries */ + sizeof (unsigned long)); + /* Copy the old values back in */ + g_array_append_val (array, old_values); + + *bitmask = (struct _CoglBitmaskImaginaryType *) array; +} + +void +_cogl_bitmask_set_in_array (CoglBitmask *bitmask, + unsigned int bit_num, + CoglBool value) +{ + GArray *array; + unsigned int array_index; + unsigned long new_value_mask; + + /* If the bitmask is not already an array then we need to allocate one */ + if (!_cogl_bitmask_has_array (bitmask)) + _cogl_bitmask_convert_to_array (bitmask); + + array = (GArray *) *bitmask; + + array_index = ARRAY_INDEX (bit_num); + /* Grow the array if necessary. This will clear the new data */ + if (array_index >= array->len) + g_array_set_size (array, array_index + 1); + + new_value_mask = BIT_MASK (bit_num); + + if (value) + g_array_index (array, unsigned long, array_index) |= new_value_mask; + else + g_array_index (array, unsigned long, array_index) &= ~new_value_mask; +} + +void +_cogl_bitmask_set_bits (CoglBitmask *dst, + const CoglBitmask *src) +{ + if (_cogl_bitmask_has_array (src)) + { + GArray *src_array, *dst_array; + int i; + + if (!_cogl_bitmask_has_array (dst)) + _cogl_bitmask_convert_to_array (dst); + + dst_array = (GArray *) *dst; + src_array = (GArray *) *src; + + if (dst_array->len < src_array->len) + g_array_set_size (dst_array, src_array->len); + + for (i = 0; i < src_array->len; i++) + g_array_index (dst_array, unsigned long, i) |= + g_array_index (src_array, unsigned long, i); + } + else if (_cogl_bitmask_has_array (dst)) + { + GArray *dst_array; + + dst_array = (GArray *) *dst; + + g_array_index (dst_array, unsigned long, 0) |= + _cogl_bitmask_to_bits (src); + } + else + *dst = _cogl_bitmask_from_bits (_cogl_bitmask_to_bits (dst) | + _cogl_bitmask_to_bits (src)); +} + +void +_cogl_bitmask_set_range_in_array (CoglBitmask *bitmask, + unsigned int n_bits, + CoglBool value) +{ + GArray *array; + unsigned int array_index, bit_index; + + if (n_bits == 0) + return; + + /* If the bitmask is not already an array then we need to allocate one */ + if (!_cogl_bitmask_has_array (bitmask)) + _cogl_bitmask_convert_to_array (bitmask); + + array = (GArray *) *bitmask; + + /* Get the array index of the top most value that will be touched */ + array_index = ARRAY_INDEX (n_bits - 1); + /* Get the bit index of the top most value */ + bit_index = BIT_INDEX (n_bits - 1); + /* Grow the array if necessary. This will clear the new data */ + if (array_index >= array->len) + g_array_set_size (array, array_index + 1); + + if (value) + { + /* Set the bits that are touching this index */ + g_array_index (array, unsigned long, array_index) |= + ~0UL >> (sizeof (unsigned long) * 8 - 1 - bit_index); + + /* Set all of the bits in any lesser indices */ + memset (array->data, 0xff, sizeof (unsigned long) * array_index); + } + else + { + /* Clear the bits that are touching this index */ + g_array_index (array, unsigned long, array_index) &= ~1UL << bit_index; + + /* Clear all of the bits in any lesser indices */ + memset (array->data, 0x00, sizeof (unsigned long) * array_index); + } +} + +void +_cogl_bitmask_xor_bits (CoglBitmask *dst, + const CoglBitmask *src) +{ + if (_cogl_bitmask_has_array (src)) + { + GArray *src_array, *dst_array; + int i; + + if (!_cogl_bitmask_has_array (dst)) + _cogl_bitmask_convert_to_array (dst); + + dst_array = (GArray *) *dst; + src_array = (GArray *) *src; + + if (dst_array->len < src_array->len) + g_array_set_size (dst_array, src_array->len); + + for (i = 0; i < src_array->len; i++) + g_array_index (dst_array, unsigned long, i) ^= + g_array_index (src_array, unsigned long, i); + } + else if (_cogl_bitmask_has_array (dst)) + { + GArray *dst_array; + + dst_array = (GArray *) *dst; + + g_array_index (dst_array, unsigned long, 0) ^= + _cogl_bitmask_to_bits (src); + } + else + *dst = _cogl_bitmask_from_bits (_cogl_bitmask_to_bits (dst) ^ + _cogl_bitmask_to_bits (src)); +} + +void +_cogl_bitmask_clear_all_in_array (CoglBitmask *bitmask) +{ + GArray *array = (GArray *) *bitmask; + + memset (array->data, 0, sizeof (unsigned long) * array->len); +} + +void +_cogl_bitmask_foreach (const CoglBitmask *bitmask, + CoglBitmaskForeachFunc func, + void *user_data) +{ + if (_cogl_bitmask_has_array (bitmask)) + { + GArray *array = (GArray *) *bitmask; + const unsigned long *values = &g_array_index (array, unsigned long, 0); + int bit_num; + + COGL_FLAGS_FOREACH_START (values, array->len, bit_num) + { + if (!func (bit_num, user_data)) + return; + } + COGL_FLAGS_FOREACH_END; + } + else + { + unsigned long mask = _cogl_bitmask_to_bits (bitmask); + int bit_num; + + COGL_FLAGS_FOREACH_START (&mask, 1, bit_num) + { + if (!func (bit_num, user_data)) + return; + } + COGL_FLAGS_FOREACH_END; + } +} + +void +_cogl_bitmask_set_flags_array (const CoglBitmask *bitmask, + unsigned long *flags) +{ + const GArray *array = (const GArray *) *bitmask; + int i; + + for (i = 0; i < array->len; i++) + flags[i] |= g_array_index (array, unsigned long, i); +} + +int +_cogl_bitmask_popcount_in_array (const CoglBitmask *bitmask) +{ + const GArray *array = (const GArray *) *bitmask; + int pop = 0; + int i; + + for (i = 0; i < array->len; i++) + pop += _cogl_util_popcountl (g_array_index (array, unsigned long, i)); + + return pop; +} + +int +_cogl_bitmask_popcount_upto_in_array (const CoglBitmask *bitmask, + int upto) +{ + const GArray *array = (const GArray *) *bitmask; + + if (upto >= array->len * sizeof (unsigned long) * 8) + return _cogl_bitmask_popcount_in_array (bitmask); + else + { + unsigned long top_mask; + int array_index = ARRAY_INDEX (upto); + int bit_index = BIT_INDEX (upto); + int pop = 0; + int i; + + for (i = 0; i < array_index; i++) + pop += _cogl_util_popcountl (g_array_index (array, unsigned long, i)); + + top_mask = g_array_index (array, unsigned long, array_index); + + return pop + _cogl_util_popcountl (top_mask & ((1UL << bit_index) - 1)); + } +} + +typedef struct +{ + int n_bits; + int *bits; +} CheckData; + +static CoglBool +check_bit (int bit_num, void *user_data) +{ + CheckData *data = user_data; + int i; + + for (i = 0; i < data->n_bits; i++) + if (data->bits[i] == bit_num) + { + data->bits[i] = -1; + return TRUE; + } + + g_assert_not_reached (); + + return TRUE; +} + +static void +verify_bits (const CoglBitmask *bitmask, + ...) +{ + CheckData data; + va_list ap, ap_copy; + int i; + + va_start (ap, bitmask); + G_VA_COPY (ap_copy, ap); + + for (data.n_bits = 0; va_arg (ap, int) != -1; data.n_bits++); + + data.bits = alloca (data.n_bits * (sizeof (int))); + + G_VA_COPY (ap, ap_copy); + + for (i = 0; i < data.n_bits; i++) + data.bits[i] = va_arg (ap, int); + + _cogl_bitmask_foreach (bitmask, check_bit, &data); + + for (i = 0; i < data.n_bits; i++) + g_assert_cmpint (data.bits[i], ==, -1); + + g_assert_cmpint (_cogl_bitmask_popcount (bitmask), ==, data.n_bits); + + for (i = 0; i < 1024; i++) + { + int upto_popcount = 0; + int j; + + G_VA_COPY (ap, ap_copy); + + for (j = 0; j < data.n_bits; j++) + if (va_arg (ap, int) < i) + upto_popcount++; + + g_assert_cmpint (_cogl_bitmask_popcount_upto (bitmask, i), + ==, + upto_popcount); + + G_VA_COPY (ap, ap_copy); + + for (j = 0; j < data.n_bits; j++) + if (va_arg (ap, int) == i) + break; + + g_assert_cmpint (_cogl_bitmask_get (bitmask, i), ==, (j < data.n_bits)); + } +} + +UNIT_TEST (check_bitmask_api, + 0 /* no requirements */, + 0 /* no failure cases */) +{ + CoglBitmask bitmask; + CoglBitmask other_bitmask; + /* A dummy bit to make it use arrays sometimes */ + int dummy_bit; + int i; + + for (dummy_bit = -1; dummy_bit < 256; dummy_bit += 40) + { + _cogl_bitmask_init (&bitmask); + _cogl_bitmask_init (&other_bitmask); + + if (dummy_bit != -1) + _cogl_bitmask_set (&bitmask, dummy_bit, TRUE); + + verify_bits (&bitmask, dummy_bit, -1); + + _cogl_bitmask_set (&bitmask, 1, TRUE); + _cogl_bitmask_set (&bitmask, 4, TRUE); + _cogl_bitmask_set (&bitmask, 5, TRUE); + + verify_bits (&bitmask, 1, 4, 5, dummy_bit, -1); + + _cogl_bitmask_set (&bitmask, 4, FALSE); + + verify_bits (&bitmask, 1, 5, dummy_bit, -1); + + _cogl_bitmask_clear_all (&bitmask); + + verify_bits (&bitmask, -1); + + if (dummy_bit != -1) + _cogl_bitmask_set (&bitmask, dummy_bit, TRUE); + + verify_bits (&bitmask, dummy_bit, -1); + + _cogl_bitmask_set (&bitmask, 1, TRUE); + _cogl_bitmask_set (&bitmask, 4, TRUE); + _cogl_bitmask_set (&bitmask, 5, TRUE); + _cogl_bitmask_set (&other_bitmask, 5, TRUE); + _cogl_bitmask_set (&other_bitmask, 6, TRUE); + + _cogl_bitmask_set_bits (&bitmask, &other_bitmask); + + verify_bits (&bitmask, 1, 4, 5, 6, dummy_bit, -1); + verify_bits (&other_bitmask, 5, 6, -1); + + _cogl_bitmask_set (&bitmask, 6, FALSE); + + verify_bits (&bitmask, 1, 4, 5, dummy_bit, -1); + + _cogl_bitmask_xor_bits (&bitmask, &other_bitmask); + + verify_bits (&bitmask, 1, 4, 6, dummy_bit, -1); + verify_bits (&other_bitmask, 5, 6, -1); + + _cogl_bitmask_set_range (&bitmask, 5, TRUE); + + verify_bits (&bitmask, 0, 1, 2, 3, 4, 6, dummy_bit, -1); + + _cogl_bitmask_set_range (&bitmask, 4, FALSE); + + verify_bits (&bitmask, 4, 6, dummy_bit, -1); + + _cogl_bitmask_destroy (&other_bitmask); + _cogl_bitmask_destroy (&bitmask); + } + + /* Extra tests for really long bitmasks */ + _cogl_bitmask_init (&bitmask); + _cogl_bitmask_set_range (&bitmask, 400, TRUE); + _cogl_bitmask_init (&other_bitmask); + _cogl_bitmask_set (&other_bitmask, 5, TRUE); + _cogl_bitmask_xor_bits (&bitmask, &other_bitmask); + + for (i = 0; i < 1024; i++) + g_assert_cmpint (_cogl_bitmask_get (&bitmask, i), + ==, + (i == 5 ? FALSE : + i < 400 ? TRUE : + FALSE)); + + _cogl_bitmask_set_range (&other_bitmask, 500, TRUE); + _cogl_bitmask_set_bits (&bitmask, &other_bitmask); + + for (i = 0; i < 1024; i++) + g_assert_cmpint (_cogl_bitmask_get (&bitmask, i), ==, (i < 500)); +} diff --git a/cogl/cogl-bitmask.h b/cogl/cogl-bitmask.h new file mode 100644 index 0000000..e0db3df --- /dev/null +++ b/cogl/cogl-bitmask.h @@ -0,0 +1,312 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_BITMASK_H +#define __COGL_BITMASK_H + +#include +#include "cogl-util.h" + +COGL_BEGIN_DECLS + +/* + * CoglBitmask implements a growable array of bits. A CoglBitmask can + * be allocated on the stack but it must be initialised with + * _cogl_bitmask_init() before use and then destroyed with + * _cogl_bitmask_destroy(). A CoglBitmask will try to avoid allocating + * any memory unless more than the number of bits in a long - 1 bits + * are needed. + * + * Internally a CoglBitmask is a pointer. If the least significant bit + * of the pointer is 1 then the rest of the bits are directly used as + * part of the bitmask, otherwise it is a pointer to a GArray of + * unsigned ints. This relies on the fact the g_malloc will return a + * pointer aligned to at least two bytes (so that the least + * significant bit of the address is always 0). It also assumes that + * the size of a pointer is always greater than or equal to the size + * of a long (although there is a compile time assert to verify this). + * + * If the maximum possible bit number in the set is known at compile + * time, it may make more sense to use the macros in cogl-flags.h + * instead of this type. + */ + +typedef struct _CoglBitmaskImaginaryType *CoglBitmask; + +/* These are internal helper macros */ +#define _cogl_bitmask_to_number(bitmask) \ + ((unsigned long) (*bitmask)) +#define _cogl_bitmask_to_bits(bitmask) \ + (_cogl_bitmask_to_number (bitmask) >> 1UL) +/* The least significant bit is set to mark that no array has been + allocated yet */ +#define _cogl_bitmask_from_bits(bits) \ + ((void *) ((((unsigned long) (bits)) << 1UL) | 1UL)) + +/* Internal helper macro to determine whether this bitmask has a + GArray allocated or whether the pointer is just used directly */ +#define _cogl_bitmask_has_array(bitmask) \ + (!(_cogl_bitmask_to_number (bitmask) & 1UL)) + +/* Number of bits we can use before needing to allocate an array */ +#define COGL_BITMASK_MAX_DIRECT_BITS (sizeof (unsigned long) * 8 - 1) + +/* + * _cogl_bitmask_init: + * @bitmask: A pointer to a bitmask + * + * Initialises the cogl bitmask. This must be called before any other + * bitmask functions are called. Initially all of the values are + * zero + */ +#define _cogl_bitmask_init(bitmask) \ + G_STMT_START { *(bitmask) = _cogl_bitmask_from_bits (0); } G_STMT_END + +CoglBool +_cogl_bitmask_get_from_array (const CoglBitmask *bitmask, + unsigned int bit_num); + +void +_cogl_bitmask_set_in_array (CoglBitmask *bitmask, + unsigned int bit_num, + CoglBool value); + +void +_cogl_bitmask_set_range_in_array (CoglBitmask *bitmask, + unsigned int n_bits, + CoglBool value); + +void +_cogl_bitmask_clear_all_in_array (CoglBitmask *bitmask); + +void +_cogl_bitmask_set_flags_array (const CoglBitmask *bitmask, + unsigned long *flags); + +int +_cogl_bitmask_popcount_in_array (const CoglBitmask *bitmask); + +int +_cogl_bitmask_popcount_upto_in_array (const CoglBitmask *bitmask, + int upto); + +/* + * cogl_bitmask_set_bits: + * @dst: The bitmask to modify + * @src: The bitmask to copy bits from + * + * This makes sure that all of the bits that are set in @src are also + * set in @dst. Any unset bits in @src are left alone in @dst. + */ +void +_cogl_bitmask_set_bits (CoglBitmask *dst, + const CoglBitmask *src); + +/* + * cogl_bitmask_xor_bits: + * @dst: The bitmask to modify + * @src: The bitmask to copy bits from + * + * For every bit that is set in src, the corresponding bit in dst is + * inverted. + */ +void +_cogl_bitmask_xor_bits (CoglBitmask *dst, + const CoglBitmask *src); + +/* The foreach function can return FALSE to stop iteration */ +typedef CoglBool (* CoglBitmaskForeachFunc) (int bit_num, void *user_data); + +/* + * cogl_bitmask_foreach: + * @bitmask: A pointer to a bitmask + * @func: A callback function + * @user_data: A pointer to pass to the callback + * + * This calls @func for each bit that is set in @bitmask. + */ +void +_cogl_bitmask_foreach (const CoglBitmask *bitmask, + CoglBitmaskForeachFunc func, + void *user_data); + +/* + * _cogl_bitmask_get: + * @bitmask: A pointer to a bitmask + * @bit_num: A bit number + * + * Return value: whether bit number @bit_num is set in @bitmask + */ +static inline CoglBool +_cogl_bitmask_get (const CoglBitmask *bitmask, unsigned int bit_num) +{ + if (_cogl_bitmask_has_array (bitmask)) + return _cogl_bitmask_get_from_array (bitmask, bit_num); + else if (bit_num >= COGL_BITMASK_MAX_DIRECT_BITS) + return FALSE; + else + return !!(_cogl_bitmask_to_bits (bitmask) & (1UL << bit_num)); +} + +/* + * _cogl_bitmask_set: + * @bitmask: A pointer to a bitmask + * @bit_num: A bit number + * @value: The new value + * + * Sets or resets a bit number @bit_num in @bitmask according to @value. + */ +static inline void +_cogl_bitmask_set (CoglBitmask *bitmask, unsigned int bit_num, CoglBool value) +{ + if (_cogl_bitmask_has_array (bitmask) || + bit_num >= COGL_BITMASK_MAX_DIRECT_BITS) + _cogl_bitmask_set_in_array (bitmask, bit_num, value); + else if (value) + *bitmask = _cogl_bitmask_from_bits (_cogl_bitmask_to_bits (bitmask) | + (1UL << bit_num)); + else + *bitmask = _cogl_bitmask_from_bits (_cogl_bitmask_to_bits (bitmask) & + ~(1UL << bit_num)); +} + +/* + * _cogl_bitmask_set_range: + * @bitmask: A pointer to a bitmask + * @n_bits: The number of bits to set + * @value: The value to set + * + * Sets the first @n_bits in @bitmask to @value. + */ +static inline void +_cogl_bitmask_set_range (CoglBitmask *bitmask, + unsigned int n_bits, + CoglBool value) +{ + if (_cogl_bitmask_has_array (bitmask) || + n_bits > COGL_BITMASK_MAX_DIRECT_BITS) + _cogl_bitmask_set_range_in_array (bitmask, n_bits, value); + else if (value) + *bitmask = _cogl_bitmask_from_bits (_cogl_bitmask_to_bits (bitmask) | + ~(~0UL << n_bits)); + else + *bitmask = _cogl_bitmask_from_bits (_cogl_bitmask_to_bits (bitmask) & + (~0UL << n_bits)); +} + +/* + * _cogl_bitmask_destroy: + * @bitmask: A pointer to a bitmask + * + * Destroys any resources allocated by the bitmask + */ +static inline void +_cogl_bitmask_destroy (CoglBitmask *bitmask) +{ + if (_cogl_bitmask_has_array (bitmask)) + g_array_free ((GArray *) *bitmask, TRUE); +} + +/* + * _cogl_bitmask_clear_all: + * @bitmask: A pointer to a bitmask + * + * Clears all the bits in a bitmask without destroying any resources. + */ +static inline void +_cogl_bitmask_clear_all (CoglBitmask *bitmask) +{ + if (_cogl_bitmask_has_array (bitmask)) + _cogl_bitmask_clear_all_in_array (bitmask); + else + *bitmask = _cogl_bitmask_from_bits (0); +} + +/* + * _cogl_bitmask_set_flags: + * @bitmask: A pointer to a bitmask + * @flags: An array of flags + * + * Bitwise or's the bits from @bitmask into the flags array (see + * cogl-flags) pointed to by @flags. + */ +static inline void +_cogl_bitmask_set_flags (const CoglBitmask *bitmask, + unsigned long *flags) +{ + if (_cogl_bitmask_has_array (bitmask)) + _cogl_bitmask_set_flags_array (bitmask, flags); + else + flags[0] |= _cogl_bitmask_to_bits (bitmask); +} + +/* + * _cogl_bitmask_popcount: + * @bitmask: A pointer to a bitmask + * + * Counts the number of bits that are set in the bitmask. + * + * Return value: the number of bits set in @bitmask. + */ +static inline int +_cogl_bitmask_popcount (const CoglBitmask *bitmask) +{ + return (_cogl_bitmask_has_array (bitmask) ? + _cogl_bitmask_popcount_in_array (bitmask) : + _cogl_util_popcountl (_cogl_bitmask_to_bits (bitmask))); +} + +/* + * _cogl_bitmask_popcount: + * @Bitmask: A pointer to a bitmask + * @upto: The maximum bit index to consider + * + * Counts the number of bits that are set and have an index which is + * less than @upto. + * + * Return value: the number of bits set in @bitmask that are less than @upto. + */ +static inline int +_cogl_bitmask_popcount_upto (const CoglBitmask *bitmask, + int upto) +{ + if (_cogl_bitmask_has_array (bitmask)) + return _cogl_bitmask_popcount_upto_in_array (bitmask, upto); + else if (upto >= COGL_BITMASK_MAX_DIRECT_BITS) + return _cogl_util_popcountl (_cogl_bitmask_to_bits (bitmask)); + else + return _cogl_util_popcountl (_cogl_bitmask_to_bits (bitmask) & + ((1UL << upto) - 1)); +} + +COGL_END_DECLS + +#endif /* __COGL_BITMASK_H */ diff --git a/cogl/cogl-blend-string.c b/cogl/cogl-blend-string.c new file mode 100644 index 0000000..16cb3ab --- /dev/null +++ b/cogl/cogl-blend-string.c @@ -0,0 +1,1003 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include + +#include "cogl-context-private.h" +#include "cogl-debug.h" +#include "cogl-blend-string.h" +#include "cogl-error-private.h" + +typedef enum _ParserState +{ + PARSER_STATE_EXPECT_DEST_CHANNELS, + PARSER_STATE_SCRAPING_DEST_CHANNELS, + PARSER_STATE_EXPECT_FUNCTION_NAME, + PARSER_STATE_SCRAPING_FUNCTION_NAME, + PARSER_STATE_EXPECT_ARG_START, + PARSER_STATE_EXPECT_STATEMENT_END +} ParserState; + +typedef enum _ParserArgState +{ + PARSER_ARG_STATE_START, + PARSER_ARG_STATE_EXPECT_MINUS, + PARSER_ARG_STATE_EXPECT_COLOR_SRC_NAME, + PARSER_ARG_STATE_SCRAPING_COLOR_SRC_NAME, + PARSER_ARG_STATE_MAYBE_COLOR_MASK, + PARSER_ARG_STATE_SCRAPING_MASK, + PARSER_ARG_STATE_MAYBE_MULT, + PARSER_ARG_STATE_EXPECT_OPEN_PAREN, + PARSER_ARG_STATE_EXPECT_FACTOR, + PARSER_ARG_STATE_MAYBE_SRC_ALPHA_SATURATE, + PARSER_ARG_STATE_MAYBE_MINUS, + PARSER_ARG_STATE_EXPECT_CLOSE_PAREN, + PARSER_ARG_STATE_EXPECT_END +} ParserArgState; + + +#define DEFINE_COLOR_SOURCE(NAME, NAME_LEN) \ + {/*.type = */COGL_BLEND_STRING_COLOR_SOURCE_ ## NAME, \ + /*.name = */#NAME, \ + /*.name_len = */NAME_LEN} + +static CoglBlendStringColorSourceInfo blending_color_sources[] = { + DEFINE_COLOR_SOURCE (SRC_COLOR, 9), + DEFINE_COLOR_SOURCE (DST_COLOR, 9), + DEFINE_COLOR_SOURCE (CONSTANT, 8) +}; + +static CoglBlendStringColorSourceInfo tex_combine_color_sources[] = { + DEFINE_COLOR_SOURCE (TEXTURE, 7), + /* DEFINE_COLOR_SOURCE (TEXTURE_N, *) - handled manually */ + DEFINE_COLOR_SOURCE (PRIMARY, 7), + DEFINE_COLOR_SOURCE (CONSTANT, 8), + DEFINE_COLOR_SOURCE (PREVIOUS, 8) +}; + +static CoglBlendStringColorSourceInfo tex_combine_texture_n_color_source = { + /*.type = */COGL_BLEND_STRING_COLOR_SOURCE_TEXTURE_N, + /*.name = */"TEXTURE_N", + /*.name_len = */0 +}; + +#undef DEFINE_COLOR_SOURCE + +#define DEFINE_FUNCTION(NAME, NAME_LEN, ARGC) \ + { /*.type = */COGL_BLEND_STRING_FUNCTION_ ## NAME, \ + /*.name = */#NAME, \ + /*.name_len = */NAME_LEN, \ + /*.argc = */ARGC } + +/* NB: These must be sorted so any name that's a subset of another + * comes later than the longer name. */ +static CoglBlendStringFunctionInfo tex_combine_functions[] = { + DEFINE_FUNCTION (REPLACE, 7, 1), + DEFINE_FUNCTION (MODULATE, 8, 2), + DEFINE_FUNCTION (ADD_SIGNED, 10, 2), + DEFINE_FUNCTION (ADD, 3, 2), + DEFINE_FUNCTION (INTERPOLATE, 11, 3), + DEFINE_FUNCTION (SUBTRACT, 8, 2), + DEFINE_FUNCTION (DOT3_RGBA, 9, 2), + DEFINE_FUNCTION (DOT3_RGB, 8, 2) +}; + +static CoglBlendStringFunctionInfo blend_functions[] = { + DEFINE_FUNCTION (ADD, 3, 2) +}; + +#undef DEFINE_FUNCTION + +uint32_t +cogl_blend_string_error_quark (void) +{ + return g_quark_from_static_string ("cogl-blend-string-error-quark"); +} + +void +_cogl_blend_string_split_rgba_statement (CoglBlendStringStatement *statement, + CoglBlendStringStatement *rgb, + CoglBlendStringStatement *a) +{ + int i; + + memcpy (rgb, statement, sizeof (CoglBlendStringStatement)); + memcpy (a, statement, sizeof (CoglBlendStringStatement)); + + rgb->mask = COGL_BLEND_STRING_CHANNEL_MASK_RGB; + a->mask = COGL_BLEND_STRING_CHANNEL_MASK_ALPHA; + + for (i = 0; i < statement->function->argc; i++) + { + CoglBlendStringArgument *arg = &statement->args[i]; + CoglBlendStringArgument *rgb_arg = &rgb->args[i]; + CoglBlendStringArgument *a_arg = &a->args[i]; + + if (arg->source.mask == COGL_BLEND_STRING_CHANNEL_MASK_RGBA) + { + rgb_arg->source.mask = COGL_BLEND_STRING_CHANNEL_MASK_RGB; + a_arg->source.mask = COGL_BLEND_STRING_CHANNEL_MASK_ALPHA; + } + + if (arg->factor.is_color && + arg->factor.source.mask == COGL_BLEND_STRING_CHANNEL_MASK_RGBA) + { + rgb_arg->factor.source.mask = COGL_BLEND_STRING_CHANNEL_MASK_RGB; + a_arg->factor.source.mask = COGL_BLEND_STRING_CHANNEL_MASK_ALPHA; + } + } +} + +static CoglBool +validate_tex_combine_statements (CoglBlendStringStatement *statements, + int n_statements, + CoglError **error) +{ + int i, j; + const char *error_string; + CoglBlendStringError detail = COGL_BLEND_STRING_ERROR_INVALID_ERROR; + + for (i = 0; i < n_statements; i++) + { + for (j = 0; j < statements[i].function->argc; j++) + { + CoglBlendStringArgument *arg = &statements[i].args[j]; + if (arg->source.is_zero) + { + error_string = "You can't use the constant '0' as a texture " + "combine argument"; + goto error; + } + if (!arg->factor.is_one) + { + error_string = "Argument factors are only relevant to blending " + "not texture combining"; + goto error; + } + } + } + + return TRUE; + +error: + _cogl_set_error (error, + COGL_BLEND_STRING_ERROR, + detail, + "Invalid texture combine string: %s", + error_string); + + if (COGL_DEBUG_ENABLED (COGL_DEBUG_BLEND_STRINGS)) + { + g_debug ("Invalid texture combine string: %s", + error_string); + } + return FALSE; +} + +static CoglBool +validate_blend_statements (CoglBlendStringStatement *statements, + int n_statements, + CoglError **error) +{ + int i, j; + const char *error_string; + CoglBlendStringError detail = COGL_BLEND_STRING_ERROR_INVALID_ERROR; + + _COGL_GET_CONTEXT (ctx, 0); + + if (n_statements == 2 && + !ctx->glBlendEquationSeparate && + statements[0].function->type != statements[1].function->type) + { + error_string = "Separate blend functions for the RGB an A " + "channels isn't supported by the driver"; + detail = COGL_BLEND_STRING_ERROR_GPU_UNSUPPORTED_ERROR; + goto error; + } + + for (i = 0; i < n_statements; i++) + for (j = 0; j < statements[i].function->argc; j++) + { + CoglBlendStringArgument *arg = &statements[i].args[j]; + + if (arg->source.is_zero) + continue; + + if ((j == 0 && + arg->source.info->type != + COGL_BLEND_STRING_COLOR_SOURCE_SRC_COLOR) + || (j == 1 && + arg->source.info->type != + COGL_BLEND_STRING_COLOR_SOURCE_DST_COLOR)) + { + error_string = "For blending you must always use SRC_COLOR " + "for arg0 and DST_COLOR for arg1"; + goto error; + } + + if (!_cogl_has_private_feature (ctx, + COGL_PRIVATE_FEATURE_BLEND_CONSTANT) && + arg->factor.is_color && + (arg->factor.source.info->type == + COGL_BLEND_STRING_COLOR_SOURCE_CONSTANT)) + { + error_string = "Driver doesn't support constant blend factors"; + detail = COGL_BLEND_STRING_ERROR_GPU_UNSUPPORTED_ERROR; + goto error; + } + } + + return TRUE; + +error: + _cogl_set_error (error, + COGL_BLEND_STRING_ERROR, + detail, + "Invalid blend string: %s", + error_string); + return FALSE; +} + +static CoglBool +validate_statements_for_context (CoglBlendStringStatement *statements, + int n_statements, + CoglBlendStringContext context, + CoglError **error) +{ + const char *error_string; + + if (n_statements == 1) + { + if (statements[0].mask == COGL_BLEND_STRING_CHANNEL_MASK_ALPHA) + { + error_string = "You need to also give a blend statement for the RGB" + "channels"; + goto error; + } + else if (statements[0].mask == COGL_BLEND_STRING_CHANNEL_MASK_RGB) + { + error_string = "You need to also give a blend statement for the " + "Alpha channel"; + goto error; + } + } + + if (context == COGL_BLEND_STRING_CONTEXT_BLENDING) + return validate_blend_statements (statements, n_statements, error); + else + return validate_tex_combine_statements (statements, n_statements, error); + +error: + _cogl_set_error (error, + COGL_BLEND_STRING_ERROR, + COGL_BLEND_STRING_ERROR_INVALID_ERROR, + "Invalid %s string: %s", + context == COGL_BLEND_STRING_CONTEXT_BLENDING ? + "blend" : "texture combine", + error_string); + + if (COGL_DEBUG_ENABLED (COGL_DEBUG_BLEND_STRINGS)) + { + g_debug ("Invalid %s string: %s", + context == COGL_BLEND_STRING_CONTEXT_BLENDING ? + "blend" : "texture combine", + error_string); + } + + return FALSE; +} + +static void +print_argument (CoglBlendStringArgument *arg) +{ + const char *mask_names[] = { + "RGB", + "A", + "RGBA" + }; + + g_print (" Arg:\n"); + g_print (" is zero = %s\n", arg->source.is_zero ? "yes" : "no"); + if (!arg->source.is_zero) + { + g_print (" color source = %s\n", arg->source.info->name); + g_print (" one minus = %s\n", arg->source.one_minus ? "yes" : "no"); + g_print (" mask = %s\n", mask_names[arg->source.mask]); + g_print (" texture = %d\n", arg->source.texture); + g_print ("\n"); + g_print (" factor is_one = %s\n", arg->factor.is_one ? "yes" : "no"); + g_print (" factor is_src_alpha_saturate = %s\n", + arg->factor.is_src_alpha_saturate ? "yes" : "no"); + g_print (" factor is_color = %s\n", arg->factor.is_color ? "yes" : "no"); + if (arg->factor.is_color) + { + g_print (" factor color:is zero = %s\n", + arg->factor.source.is_zero ? "yes" : "no"); + g_print (" factor color:color source = %s\n", + arg->factor.source.info->name); + g_print (" factor color:one minus = %s\n", + arg->factor.source.one_minus ? "yes" : "no"); + g_print (" factor color:mask = %s\n", + mask_names[arg->factor.source.mask]); + g_print (" factor color:texture = %d\n", + arg->factor.source.texture); + } + } +} + +static void +print_statement (int num, CoglBlendStringStatement *statement) +{ + const char *mask_names[] = { + "RGB", + "A", + "RGBA" + }; + int i; + g_print ("Statement %d:\n", num); + g_print (" Destination channel mask = %s\n", + mask_names[statement->mask]); + g_print (" Function = %s\n", statement->function->name); + for (i = 0; i < statement->function->argc; i++) + print_argument (&statement->args[i]); +} + +static const CoglBlendStringFunctionInfo * +get_function_info (const char *mark, + const char *p, + CoglBlendStringContext context) +{ + size_t len = p - mark; + CoglBlendStringFunctionInfo *functions; + size_t array_len; + int i; + + if (context == COGL_BLEND_STRING_CONTEXT_BLENDING) + { + functions = blend_functions; + array_len = G_N_ELEMENTS (blend_functions); + } + else + { + functions = tex_combine_functions; + array_len = G_N_ELEMENTS (tex_combine_functions); + } + + for (i = 0; i < array_len; i++) + { + if (len >= functions[i].name_len + && strncmp (mark, functions[i].name, functions[i].name_len) == 0) + return &functions[i]; + } + return NULL; +} + +static const CoglBlendStringColorSourceInfo * +get_color_src_info (const char *mark, + const char *p, + CoglBlendStringContext context) +{ + size_t len = p - mark; + CoglBlendStringColorSourceInfo *sources; + size_t array_len; + int i; + + if (context == COGL_BLEND_STRING_CONTEXT_BLENDING) + { + sources = blending_color_sources; + array_len = G_N_ELEMENTS (blending_color_sources); + } + else + { + sources = tex_combine_color_sources; + array_len = G_N_ELEMENTS (tex_combine_color_sources); + } + + if (len >= 8 && + strncmp (mark, "TEXTURE_", 8) == 0 && + g_ascii_isdigit (mark[8])) + { + return &tex_combine_texture_n_color_source; + } + + for (i = 0; i < array_len; i++) + { + if (len >= sources[i].name_len + && strncmp (mark, sources[i].name, sources[i].name_len) == 0) + return &sources[i]; + } + + return NULL; +} + +static CoglBool +is_symbol_char (const char c) +{ + return (g_ascii_isalpha (c) || c == '_') ? TRUE : FALSE; +} + +static CoglBool +is_alphanum_char (const char c) +{ + return (g_ascii_isalnum (c) || c == '_') ? TRUE : FALSE; +} + +static CoglBool +parse_argument (const char *string, /* original user string */ + const char **ret_p, /* start of argument IN:OUT */ + const CoglBlendStringStatement *statement, + int current_arg, + CoglBlendStringArgument *arg, /* OUT */ + CoglBlendStringContext context, + CoglError **error) +{ + const char *p = *ret_p; + const char *mark = NULL; + const char *error_string = NULL; + ParserArgState state = PARSER_ARG_STATE_START; + CoglBool parsing_factor = FALSE; + CoglBool implicit_factor_brace; + + arg->source.is_zero = FALSE; + arg->source.info = NULL; + arg->source.texture = 0; + arg->source.one_minus = FALSE; + arg->source.mask = statement->mask; + + arg->factor.is_one = FALSE; + arg->factor.is_color = FALSE; + arg->factor.is_src_alpha_saturate = FALSE; + + arg->factor.source.is_zero = FALSE; + arg->factor.source.info = NULL; + arg->factor.source.texture = 0; + arg->factor.source.one_minus = FALSE; + arg->factor.source.mask = statement->mask; + + do + { + if (g_ascii_isspace (*p)) + continue; + + if (*p == '\0') + { + error_string = "Unexpected end of string while parsing argument"; + goto error; + } + + switch (state) + { + case PARSER_ARG_STATE_START: + if (*p == '1') + state = PARSER_ARG_STATE_EXPECT_MINUS; + else if (*p == '0') + { + arg->source.is_zero = TRUE; + state = PARSER_ARG_STATE_EXPECT_END; + } + else + { + p--; /* backtrack */ + state = PARSER_ARG_STATE_EXPECT_COLOR_SRC_NAME; + } + continue; + + case PARSER_ARG_STATE_EXPECT_MINUS: + if (*p != '-') + { + error_string = "expected a '-' following the 1"; + goto error; + } + arg->source.one_minus = TRUE; + state = PARSER_ARG_STATE_EXPECT_COLOR_SRC_NAME; + continue; + + case PARSER_ARG_STATE_EXPECT_COLOR_SRC_NAME: + if (!is_symbol_char (*p)) + { + error_string = "expected a color source name"; + goto error; + } + state = PARSER_ARG_STATE_SCRAPING_COLOR_SRC_NAME; + mark = p; + if (parsing_factor) + arg->factor.is_color = TRUE; + + /* fall through */ + case PARSER_ARG_STATE_SCRAPING_COLOR_SRC_NAME: + if (!is_symbol_char (*p)) + { + CoglBlendStringColorSource *source = + parsing_factor ? &arg->factor.source : &arg->source; + source->info = get_color_src_info (mark, p, context); + if (!source->info) + { + error_string = "Unknown color source name"; + goto error; + } + if (source->info->type == + COGL_BLEND_STRING_COLOR_SOURCE_TEXTURE_N) + { + char *endp; + source->texture = + strtoul (&mark[strlen ("TEXTURE_")], &endp, 10); + if (mark == endp) + { + error_string = "invalid texture number given with " + "TEXTURE_N color source"; + goto error; + } + p = endp; + } + state = PARSER_ARG_STATE_MAYBE_COLOR_MASK; + } + else + continue; + + /* fall through */ + case PARSER_ARG_STATE_MAYBE_COLOR_MASK: + if (*p != '[') + { + p--; /* backtrack */ + if (!parsing_factor) + state = PARSER_ARG_STATE_MAYBE_MULT; + else + state = PARSER_ARG_STATE_EXPECT_END; + continue; + } + state = PARSER_ARG_STATE_SCRAPING_MASK; + mark = p; + + /* fall through */ + case PARSER_ARG_STATE_SCRAPING_MASK: + if (*p == ']') + { + size_t len = p - mark; + CoglBlendStringColorSource *source = + parsing_factor ? &arg->factor.source : &arg->source; + + if (len == 5 && strncmp (mark, "[RGBA", len) == 0) + { + if (statement->mask != COGL_BLEND_STRING_CHANNEL_MASK_RGBA) + { + error_string = "You can't use an RGBA color mask if the " + "statement hasn't also got an RGBA= mask"; + goto error; + } + source->mask = COGL_BLEND_STRING_CHANNEL_MASK_RGBA; + } + else if (len == 4 && strncmp (mark, "[RGB", len) == 0) + source->mask = COGL_BLEND_STRING_CHANNEL_MASK_RGB; + else if (len == 2 && strncmp (mark, "[A", len) == 0) + source->mask = COGL_BLEND_STRING_CHANNEL_MASK_ALPHA; + else + { + error_string = "Expected a channel mask of [RGBA]" + "[RGB] or [A]"; + goto error; + } + if (parsing_factor) + state = PARSER_ARG_STATE_EXPECT_CLOSE_PAREN; + else + state = PARSER_ARG_STATE_MAYBE_MULT; + } + continue; + + case PARSER_ARG_STATE_EXPECT_OPEN_PAREN: + if (*p != '(') + { + if (is_alphanum_char (*p)) + { + p--; /* compensate for implicit brace and ensure this + * char gets considered part of the blend factor */ + implicit_factor_brace = TRUE; + } + else + { + error_string = "Expected '(' around blend factor or alpha " + "numeric character for blend factor name"; + goto error; + } + } + else + implicit_factor_brace = FALSE; + parsing_factor = TRUE; + state = PARSER_ARG_STATE_EXPECT_FACTOR; + continue; + + case PARSER_ARG_STATE_EXPECT_FACTOR: + if (*p == '1') + state = PARSER_ARG_STATE_MAYBE_MINUS; + else if (*p == '0') + { + arg->source.is_zero = TRUE; + state = PARSER_ARG_STATE_EXPECT_CLOSE_PAREN; + } + else + { + state = PARSER_ARG_STATE_MAYBE_SRC_ALPHA_SATURATE; + mark = p; + } + continue; + + case PARSER_ARG_STATE_MAYBE_SRC_ALPHA_SATURATE: + if (!is_symbol_char (*p)) + { + size_t len = p - mark; + if (len >= strlen ("SRC_ALPHA_SATURATE") && + strncmp (mark, "SRC_ALPHA_SATURATE", len) == 0) + { + arg->factor.is_src_alpha_saturate = TRUE; + state = PARSER_ARG_STATE_EXPECT_CLOSE_PAREN; + } + else + { + state = PARSER_ARG_STATE_EXPECT_COLOR_SRC_NAME; + p = mark - 1; /* backtrack */ + } + } + continue; + + case PARSER_ARG_STATE_MAYBE_MINUS: + if (*p == '-') + { + if (implicit_factor_brace) + { + error_string = "Expected ( ) braces around blend factor with " + "a subtraction"; + goto error; + } + arg->factor.source.one_minus = TRUE; + state = PARSER_ARG_STATE_EXPECT_COLOR_SRC_NAME; + } + else + { + arg->factor.is_one = TRUE; + state = PARSER_ARG_STATE_EXPECT_CLOSE_PAREN; + } + continue; + + case PARSER_ARG_STATE_EXPECT_CLOSE_PAREN: + if (implicit_factor_brace) + { + p--; + state = PARSER_ARG_STATE_EXPECT_END; + continue; + } + if (*p != ')') + { + error_string = "Expected closing parenthesis after blend factor"; + goto error; + } + state = PARSER_ARG_STATE_EXPECT_END; + continue; + + case PARSER_ARG_STATE_MAYBE_MULT: + if (*p == '*') + { + state = PARSER_ARG_STATE_EXPECT_OPEN_PAREN; + continue; + } + arg->factor.is_one = TRUE; + state = PARSER_ARG_STATE_EXPECT_END; + + /* fall through */ + case PARSER_ARG_STATE_EXPECT_END: + if (*p != ',' && *p != ')') + { + error_string = "expected , or )"; + goto error; + } + + *ret_p = p - 1; + return TRUE; + } + } + while (p++); + +error: + { + int offset = p - string; + _cogl_set_error (error, + COGL_BLEND_STRING_ERROR, + COGL_BLEND_STRING_ERROR_ARGUMENT_PARSE_ERROR, + "Syntax error for argument %d at offset %d: %s", + current_arg, + offset, + error_string); + + if (COGL_DEBUG_ENABLED (COGL_DEBUG_BLEND_STRINGS)) + { + g_debug ("Syntax error for argument %d at offset %d: %s", + current_arg, offset, error_string); + } + return FALSE; + } +} + +int +_cogl_blend_string_compile (const char *string, + CoglBlendStringContext context, + CoglBlendStringStatement *statements, + CoglError **error) +{ + const char *p = string; + const char *mark = NULL; + const char *error_string; + ParserState state = PARSER_STATE_EXPECT_DEST_CHANNELS; + CoglBlendStringStatement *statement = statements; + int current_statement = 0; + int current_arg = 0; + int remaining_argc = 0; + +#if 0 + COGL_DEBUG_SET_FLAG (COGL_DEBUG_BLEND_STRINGS); +#endif + + if (COGL_DEBUG_ENABLED (COGL_DEBUG_BLEND_STRINGS)) + { + COGL_NOTE (BLEND_STRINGS, "Compiling %s string:\n%s\n", + context == COGL_BLEND_STRING_CONTEXT_BLENDING ? + "blend" : "texture combine", + string); + } + + do + { + if (g_ascii_isspace (*p)) + continue; + + if (*p == '\0') + { + switch (state) + { + case PARSER_STATE_EXPECT_DEST_CHANNELS: + if (current_statement != 0) + goto finished; + error_string = "Empty statement"; + goto error; + case PARSER_STATE_SCRAPING_DEST_CHANNELS: + error_string = "Expected an '=' following the destination " + "channel mask"; + goto error; + case PARSER_STATE_EXPECT_FUNCTION_NAME: + error_string = "Expected a function name"; + goto error; + case PARSER_STATE_SCRAPING_FUNCTION_NAME: + error_string = "Expected parenthesis after the function name"; + goto error; + case PARSER_STATE_EXPECT_ARG_START: + error_string = "Expected to find the start of an argument"; + goto error; + case PARSER_STATE_EXPECT_STATEMENT_END: + error_string = "Expected closing parenthesis for statement"; + goto error; + } + } + + switch (state) + { + case PARSER_STATE_EXPECT_DEST_CHANNELS: + mark = p; + state = PARSER_STATE_SCRAPING_DEST_CHANNELS; + + /* fall through */ + case PARSER_STATE_SCRAPING_DEST_CHANNELS: + if (*p != '=') + continue; + if (strncmp (mark, "RGBA", 4) == 0) + statement->mask = COGL_BLEND_STRING_CHANNEL_MASK_RGBA; + else if (strncmp (mark, "RGB", 3) == 0) + statement->mask = COGL_BLEND_STRING_CHANNEL_MASK_RGB; + else if (strncmp (mark, "A", 1) == 0) + statement->mask = COGL_BLEND_STRING_CHANNEL_MASK_ALPHA; + else + { + error_string = "Unknown destination channel mask; " + "expected RGBA=, RGB= or A="; + goto error; + } + state = PARSER_STATE_EXPECT_FUNCTION_NAME; + continue; + + case PARSER_STATE_EXPECT_FUNCTION_NAME: + mark = p; + state = PARSER_STATE_SCRAPING_FUNCTION_NAME; + + /* fall through */ + case PARSER_STATE_SCRAPING_FUNCTION_NAME: + if (*p != '(') + { + if (!is_alphanum_char (*p)) + { + error_string = "non alpha numeric character in function" + "name"; + goto error; + } + continue; + } + statement->function = get_function_info (mark, p, context); + if (!statement->function) + { + error_string = "Unknown function name"; + goto error; + } + remaining_argc = statement->function->argc; + current_arg = 0; + state = PARSER_STATE_EXPECT_ARG_START; + + /* fall through */ + case PARSER_STATE_EXPECT_ARG_START: + if (*p != '(' && *p != ',') + continue; + if (remaining_argc) + { + p++; /* parse_argument expects to see the first char of the arg */ + if (!parse_argument (string, &p, statement, + current_arg, &statement->args[current_arg], + context, error)) + return 0; + current_arg++; + remaining_argc--; + } + if (!remaining_argc) + state = PARSER_STATE_EXPECT_STATEMENT_END; + continue; + + case PARSER_STATE_EXPECT_STATEMENT_END: + if (*p != ')') + { + error_string = "Expected end of statement"; + goto error; + } + state = PARSER_STATE_EXPECT_DEST_CHANNELS; + if (current_statement++ == 1) + goto finished; + statement = &statements[current_statement]; + } + } + while (p++); + +finished: + + if (COGL_DEBUG_ENABLED (COGL_DEBUG_BLEND_STRINGS)) + { + if (current_statement > 0) + print_statement (0, &statements[0]); + if (current_statement > 1) + print_statement (1, &statements[1]); + } + + if (!validate_statements_for_context (statements, + current_statement, + context, + error)) + return 0; + + return current_statement; + +error: + { + int offset = p - string; + _cogl_set_error (error, + COGL_BLEND_STRING_ERROR, + COGL_BLEND_STRING_ERROR_PARSE_ERROR, + "Syntax error at offset %d: %s", + offset, + error_string); + + if (COGL_DEBUG_ENABLED (COGL_DEBUG_BLEND_STRINGS)) + { + g_debug ("Syntax error at offset %d: %s", + offset, error_string); + } + return 0; + } +} + +/* + * INTERNAL TESTING CODE ... + */ + +struct _TestString +{ + const char *string; + CoglBlendStringContext context; +}; + +/* FIXME: this should probably be moved to a unit test */ +int +_cogl_blend_string_test (void); + +int +_cogl_blend_string_test (void) +{ + struct _TestString strings[] = { + {" A = MODULATE ( TEXTURE[RGB], PREVIOUS[A], PREVIOUS[A] ) ", + COGL_BLEND_STRING_CONTEXT_TEXTURE_COMBINE }, + {" RGB = MODULATE ( TEXTURE[RGB], PREVIOUS[A] ) ", + COGL_BLEND_STRING_CONTEXT_TEXTURE_COMBINE }, + {"A=ADD(TEXTURE[A],PREVIOUS[RGB])", + COGL_BLEND_STRING_CONTEXT_TEXTURE_COMBINE }, + {"A=ADD(TEXTURE[A],PREVIOUS[RGB])", + COGL_BLEND_STRING_CONTEXT_TEXTURE_COMBINE }, + + {"RGBA = ADD(SRC_COLOR*(SRC_COLOR[A]), DST_COLOR*(1-SRC_COLOR[A]))", + COGL_BLEND_STRING_CONTEXT_BLENDING }, + {"RGB = ADD(SRC_COLOR, DST_COLOR*(0))", + COGL_BLEND_STRING_CONTEXT_BLENDING }, + {"RGB = ADD(SRC_COLOR, 0)", + COGL_BLEND_STRING_CONTEXT_BLENDING }, + {"RGB = ADD()", + COGL_BLEND_STRING_CONTEXT_BLENDING }, + {"RGB = ADD(SRC_COLOR, 0, DST_COLOR)", + COGL_BLEND_STRING_CONTEXT_BLENDING }, + {NULL} + }; + int i; + + CoglError *error = NULL; + for (i = 0; strings[i].string; i++) + { + CoglBlendStringStatement statements[2]; + int count = _cogl_blend_string_compile (strings[i].string, + strings[i].context, + statements, + &error); + if (!count) + { + g_print ("Failed to parse string:\n%s\n%s\n", + strings[i].string, + error->message); + cogl_error_free (error); + error = NULL; + continue; + } + g_print ("Original:\n"); + g_print ("%s\n", strings[i].string); + if (count > 0) + print_statement (0, &statements[0]); + if (count > 1) + print_statement (1, &statements[1]); + } + + return 0; +} + diff --git a/cogl/cogl-blend-string.h b/cogl/cogl-blend-string.h new file mode 100644 index 0000000..355338c --- /dev/null +++ b/cogl/cogl-blend-string.h @@ -0,0 +1,144 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef COGL_BLEND_STRING_H +#define COGL_BLEND_STRING_H + +#include +#include + +typedef enum _CoglBlendStringContext +{ + COGL_BLEND_STRING_CONTEXT_BLENDING, + COGL_BLEND_STRING_CONTEXT_TEXTURE_COMBINE +} CoglBlendStringContext; + +/* NB: debug stringify code will get upset if these + * are re-ordered */ +typedef enum _CoglBlendStringChannelMask +{ + COGL_BLEND_STRING_CHANNEL_MASK_RGB, + COGL_BLEND_STRING_CHANNEL_MASK_ALPHA, + COGL_BLEND_STRING_CHANNEL_MASK_RGBA +} CoglBlendStringChannelMask; + +typedef enum _CoglBlendStringColorSourceType +{ + /* blending */ + COGL_BLEND_STRING_COLOR_SOURCE_SRC_COLOR, + COGL_BLEND_STRING_COLOR_SOURCE_DST_COLOR, + + /* shared */ + COGL_BLEND_STRING_COLOR_SOURCE_CONSTANT, + + /* texture combining */ + COGL_BLEND_STRING_COLOR_SOURCE_TEXTURE, + COGL_BLEND_STRING_COLOR_SOURCE_TEXTURE_N, + COGL_BLEND_STRING_COLOR_SOURCE_PRIMARY, + COGL_BLEND_STRING_COLOR_SOURCE_PREVIOUS +} CoglBlendStringColorSourceType; + +typedef struct _CoglBlendStringColorSourceInfo +{ + CoglBlendStringColorSourceType type; + const char *name; + size_t name_len; +} CoglBlendStringColorSourceInfo; + +typedef struct _CoglBlendStringColorSource +{ + CoglBool is_zero; + const CoglBlendStringColorSourceInfo *info; + int texture; /* for the TEXTURE_N color source */ + CoglBool one_minus; + CoglBlendStringChannelMask mask; +} CoglBlendStringColorSource; + +typedef struct _CoglBlendStringFactor +{ + CoglBool is_one; + CoglBool is_src_alpha_saturate; + CoglBool is_color; + CoglBlendStringColorSource source; +} CoglBlendStringFactor; + +typedef struct _CoglBlendStringArgument +{ + CoglBlendStringColorSource source; + CoglBlendStringFactor factor; +} CoglBlendStringArgument; + +typedef enum _CoglBlendStringFunctionType +{ + /* shared */ + COGL_BLEND_STRING_FUNCTION_ADD, + + /* texture combine only */ + COGL_BLEND_STRING_FUNCTION_REPLACE, + COGL_BLEND_STRING_FUNCTION_MODULATE, + COGL_BLEND_STRING_FUNCTION_ADD_SIGNED, + COGL_BLEND_STRING_FUNCTION_INTERPOLATE, + COGL_BLEND_STRING_FUNCTION_SUBTRACT, + COGL_BLEND_STRING_FUNCTION_DOT3_RGB, + COGL_BLEND_STRING_FUNCTION_DOT3_RGBA +} CoglBlendStringFunctionType; + +typedef struct _CoglBlendStringFunctionInfo +{ + enum _CoglBlendStringFunctionType type; + const char *name; + size_t name_len; + int argc; +} CoglBlendStringFunctionInfo; + +typedef struct _CoglBlendStringStatement +{ + CoglBlendStringChannelMask mask; + const CoglBlendStringFunctionInfo *function; + CoglBlendStringArgument args[3]; +} CoglBlendStringStatement; + + +CoglBool +_cogl_blend_string_compile (const char *string, + CoglBlendStringContext context, + CoglBlendStringStatement *statements, + CoglError **error); + +void +_cogl_blend_string_split_rgba_statement (CoglBlendStringStatement *statement, + CoglBlendStringStatement *rgb, + CoglBlendStringStatement *a); + +#endif /* COGL_BLEND_STRING_H */ + diff --git a/cogl/cogl-blit.c b/cogl/cogl-blit.c new file mode 100644 index 0000000..a6d60ef --- /dev/null +++ b/cogl/cogl-blit.c @@ -0,0 +1,438 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-util.h" +#include "cogl-blit.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-private.h" +#include "cogl1-context.h" + +static const CoglBlitMode *_cogl_blit_default_mode = NULL; + +static CoglBool +_cogl_blit_texture_render_begin (CoglBlitData *data) +{ + CoglContext *ctx = data->src_tex->context; + CoglOffscreen *offscreen; + CoglFramebuffer *fb; + CoglPipeline *pipeline; + unsigned int dst_width, dst_height; + CoglError *ignore_error = NULL; + + offscreen = _cogl_offscreen_new_with_texture_full + (data->dst_tex, COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL, 0 /* level */); + + fb = COGL_FRAMEBUFFER (offscreen); + if (!cogl_framebuffer_allocate (fb, &ignore_error)) + { + cogl_error_free (ignore_error); + cogl_object_unref (fb); + return FALSE; + } + + data->dest_fb = fb; + + dst_width = cogl_texture_get_width (data->dst_tex); + dst_height = cogl_texture_get_height (data->dst_tex); + + /* Set up an orthographic projection so we can use pixel + coordinates to render to the texture */ + cogl_framebuffer_orthographic (fb, + 0, 0, dst_width, dst_height, + -1 /* near */, 1 /* far */); + + /* We cache a pipeline used for migrating on to the context so + that it doesn't have to continuously regenerate a shader + program */ + if (ctx->blit_texture_pipeline == NULL) + { + ctx->blit_texture_pipeline = cogl_pipeline_new (ctx); + + cogl_pipeline_set_layer_filters (ctx->blit_texture_pipeline, 0, + COGL_PIPELINE_FILTER_NEAREST, + COGL_PIPELINE_FILTER_NEAREST); + + /* Disable blending by just directly taking the contents of the + source texture */ + cogl_pipeline_set_blend (ctx->blit_texture_pipeline, + "RGBA = ADD(SRC_COLOR, 0)", + NULL); + } + + pipeline = ctx->blit_texture_pipeline; + + cogl_pipeline_set_layer_texture (pipeline, 0, data->src_tex); + + data->pipeline = pipeline; + + return TRUE; +} + +static void +_cogl_blit_texture_render_blit (CoglBlitData *data, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height) +{ + cogl_framebuffer_draw_textured_rectangle (data->dest_fb, + data->pipeline, + dst_x, dst_y, + dst_x + width, + dst_y + height, + src_x / (float) data->src_width, + src_y / (float) data->src_height, + (src_x + width) / + (float) data->src_width, + (src_y + height) / + (float) data->src_height); +} + +static void +_cogl_blit_texture_render_end (CoglBlitData *data) +{ + CoglContext *ctx = data->src_tex->context; + + /* Attach the target texture to the texture render pipeline so that + we don't keep a reference to the source texture forever. This is + assuming that the destination texture will live for a long time + which is currently the case when cogl_blit_* is used from the + atlas code. It may be better in future to keep around a set of + dummy 1x1 textures for each texture target that we could bind + instead. This would also be useful when using a pipeline as a + hash table key such as for the ARBfp program cache. */ + cogl_pipeline_set_layer_texture (ctx->blit_texture_pipeline, 0, + data->dst_tex); + + cogl_object_unref (data->dest_fb); +} + +static CoglBool +_cogl_blit_framebuffer_begin (CoglBlitData *data) +{ + CoglContext *ctx = data->src_tex->context; + CoglOffscreen *dst_offscreen = NULL, *src_offscreen = NULL; + CoglFramebuffer *dst_fb, *src_fb; + CoglError *ignore_error = NULL; + + /* We can only blit between FBOs if both textures are the same + format and the blit framebuffer extension is supported */ + if ((_cogl_texture_get_format (data->src_tex) & ~COGL_A_BIT) != + (_cogl_texture_get_format (data->dst_tex) & ~COGL_A_BIT) || + !_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_OFFSCREEN_BLIT)) + return FALSE; + + dst_offscreen = _cogl_offscreen_new_with_texture_full + (data->dst_tex, COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL, 0 /* level */); + + dst_fb = COGL_FRAMEBUFFER (dst_offscreen); + if (!cogl_framebuffer_allocate (dst_fb, &ignore_error)) + { + cogl_error_free (ignore_error); + goto error; + } + + src_offscreen= _cogl_offscreen_new_with_texture_full + (data->src_tex, + COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL, + 0 /* level */); + + src_fb = COGL_FRAMEBUFFER (src_offscreen); + if (!cogl_framebuffer_allocate (src_fb, &ignore_error)) + { + cogl_error_free (ignore_error); + goto error; + } + + data->src_fb = src_fb; + data->dest_fb = dst_fb; + + return TRUE; + +error: + + if (dst_offscreen) + cogl_object_unref (dst_offscreen); + if (src_offscreen) + cogl_object_unref (src_offscreen); + + return FALSE; +} + +static void +_cogl_blit_framebuffer_blit (CoglBlitData *data, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height) +{ + _cogl_blit_framebuffer (data->src_fb, + data->dest_fb, + src_x, src_y, + dst_x, dst_y, + width, height); +} + +static void +_cogl_blit_framebuffer_end (CoglBlitData *data) +{ + cogl_object_unref (data->src_fb); + cogl_object_unref (data->dest_fb); +} + +static CoglBool +_cogl_blit_copy_tex_sub_image_begin (CoglBlitData *data) +{ + CoglOffscreen *offscreen; + CoglFramebuffer *fb; + CoglError *ignore_error = NULL; + + /* This will only work if the target texture is a CoglTexture2D */ + if (!cogl_is_texture_2d (data->dst_tex)) + return FALSE; + + offscreen = _cogl_offscreen_new_with_texture_full + (data->src_tex, COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL, 0 /* level */); + + fb = COGL_FRAMEBUFFER (offscreen); + if (!cogl_framebuffer_allocate (fb, &ignore_error)) + { + cogl_error_free (ignore_error); + cogl_object_unref (fb); + return FALSE; + } + + data->src_fb = fb; + + return TRUE; +} + +static void +_cogl_blit_copy_tex_sub_image_blit (CoglBlitData *data, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height) +{ + _cogl_texture_2d_copy_from_framebuffer (COGL_TEXTURE_2D (data->dst_tex), + src_x, src_y, + width, height, + data->src_fb, + dst_x, dst_y, + 0); /* level */ +} + +static void +_cogl_blit_copy_tex_sub_image_end (CoglBlitData *data) +{ + cogl_object_unref (data->src_fb); +} + +static CoglBool +_cogl_blit_get_tex_data_begin (CoglBlitData *data) +{ + data->format = _cogl_texture_get_format (data->src_tex); + data->bpp = _cogl_pixel_format_get_bytes_per_pixel (data->format); + + data->image_data = g_malloc (data->bpp * data->src_width * + data->src_height); + cogl_texture_get_data (data->src_tex, data->format, + data->src_width * data->bpp, data->image_data); + + return TRUE; +} + +static void +_cogl_blit_get_tex_data_blit (CoglBlitData *data, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height) +{ + CoglError *ignore = NULL; + int rowstride = data->src_width * data->bpp; + int offset = rowstride * src_y + src_x * data->bpp; + + _cogl_texture_set_region (data->dst_tex, + width, height, + data->format, + rowstride, + data->image_data + offset, + dst_x, dst_y, + 0, /* level */ + &ignore); + /* TODO: support chaining up errors during the blit */ +} + +static void +_cogl_blit_get_tex_data_end (CoglBlitData *data) +{ + g_free (data->image_data); +} + +/* These should be specified in order of preference */ +static const CoglBlitMode +_cogl_blit_modes[] = + { + { + "texture-render", + _cogl_blit_texture_render_begin, + _cogl_blit_texture_render_blit, + _cogl_blit_texture_render_end + }, + { + "framebuffer", + _cogl_blit_framebuffer_begin, + _cogl_blit_framebuffer_blit, + _cogl_blit_framebuffer_end + }, + { + "copy-tex-sub-image", + _cogl_blit_copy_tex_sub_image_begin, + _cogl_blit_copy_tex_sub_image_blit, + _cogl_blit_copy_tex_sub_image_end + }, + { + "get-tex-data", + _cogl_blit_get_tex_data_begin, + _cogl_blit_get_tex_data_blit, + _cogl_blit_get_tex_data_end + } + }; + +void +_cogl_blit_begin (CoglBlitData *data, + CoglTexture *dst_tex, + CoglTexture *src_tex) +{ + int i; + + if (_cogl_blit_default_mode == NULL) + { + const char *default_mode_string; + + /* Allow the default to be specified with an environment + variable. For the time being these functions are only used + when blitting between atlas textures so the environment + variable is named to be specific to the atlas code. If we + want to use the code in other places we should create another + environment variable for each specific use case */ + if ((default_mode_string = g_getenv ("COGL_ATLAS_DEFAULT_BLIT_MODE"))) + { + for (i = 0; i < G_N_ELEMENTS (_cogl_blit_modes); i++) + if (!strcmp (_cogl_blit_modes[i].name, default_mode_string)) + { + _cogl_blit_default_mode = _cogl_blit_modes + i; + break; + } + + if (i >= G_N_ELEMENTS (_cogl_blit_modes)) + { + g_warning ("Unknown blit mode %s", default_mode_string); + _cogl_blit_default_mode = _cogl_blit_modes; + } + } + else + /* Default to the first blit mode */ + _cogl_blit_default_mode = _cogl_blit_modes; + } + + memset (data, 0, sizeof (CoglBlitData)); + + data->dst_tex = dst_tex; + data->src_tex = src_tex; + + data->src_width = cogl_texture_get_width (src_tex); + data->src_height = cogl_texture_get_height (src_tex); + + /* Try the default blit mode first */ + if (!_cogl_blit_default_mode->begin_func (data)) + { + COGL_NOTE (ATLAS, "Failed to set up blit mode %s", + _cogl_blit_default_mode->name); + + /* Try all of the other modes in order */ + for (i = 0; i < G_N_ELEMENTS (_cogl_blit_modes); i++) + if (_cogl_blit_modes + i != _cogl_blit_default_mode && + _cogl_blit_modes[i].begin_func (data)) + { + /* Use this mode as the default from now on */ + _cogl_blit_default_mode = _cogl_blit_modes + i; + break; + } + else + COGL_NOTE (ATLAS, + "Failed to set up blit mode %s", + _cogl_blit_modes[i].name); + + /* The last blit mode can't fail so this should never happen */ + _COGL_RETURN_IF_FAIL (i < G_N_ELEMENTS (_cogl_blit_modes)); + } + + data->blit_mode = _cogl_blit_default_mode; + + COGL_NOTE (ATLAS, "Setup blit using %s", _cogl_blit_default_mode->name); +} + +void +_cogl_blit (CoglBlitData *data, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height) +{ + data->blit_mode->blit_func (data, src_x, src_y, dst_x, dst_y, width, height); +} + +void +_cogl_blit_end (CoglBlitData *data) +{ + data->blit_mode->end_func (data); +} diff --git a/cogl/cogl-blit.h b/cogl/cogl-blit.h new file mode 100644 index 0000000..f4e25e7 --- /dev/null +++ b/cogl/cogl-blit.h @@ -0,0 +1,101 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_BLIT_H +#define __COGL_BLIT_H + +#include +#include "cogl-object-private.h" +#include "cogl-texture.h" +#include "cogl-framebuffer.h" + +/* This structures and functions are used when a series of blits needs + to be performed between two textures. In this case there are + multiple methods we can use, most of which involve transferring + between an FBO bound to the texture. */ + +typedef struct _CoglBlitData CoglBlitData; + +typedef CoglBool (* CoglBlitBeginFunc) (CoglBlitData *data); +typedef void (* CoglBlitEndFunc) (CoglBlitData *data); + +typedef void (* CoglBlitFunc) (CoglBlitData *data, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height); + +typedef struct +{ + const char *name; + CoglBlitBeginFunc begin_func; + CoglBlitFunc blit_func; + CoglBlitEndFunc end_func; +} CoglBlitMode; + +struct _CoglBlitData +{ + CoglTexture *src_tex, *dst_tex; + + unsigned int src_width; + unsigned int src_height; + + const CoglBlitMode *blit_mode; + + /* If we're not using an FBO then we g_malloc a buffer and copy the + complete texture data in */ + unsigned char *image_data; + CoglPixelFormat format; + + int bpp; + + CoglFramebuffer *src_fb; + CoglFramebuffer *dest_fb; + CoglPipeline *pipeline; +}; + +void +_cogl_blit_begin (CoglBlitData *data, + CoglTexture *dst_tex, + CoglTexture *src_tex); + +void +_cogl_blit (CoglBlitData *data, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height); + +void +_cogl_blit_end (CoglBlitData *data); + +#endif /* __COGL_BLIT_H */ diff --git a/cogl/cogl-boxed-value.c b/cogl/cogl-boxed-value.c new file mode 100644 index 0000000..bf6a979 --- /dev/null +++ b/cogl/cogl-boxed-value.c @@ -0,0 +1,377 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-boxed-value.h" +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" + +CoglBool +_cogl_boxed_value_equal (const CoglBoxedValue *bva, + const CoglBoxedValue *bvb) +{ + const void *pa, *pb; + + if (bva->type != bvb->type) + return FALSE; + + switch (bva->type) + { + case COGL_BOXED_NONE: + return TRUE; + + case COGL_BOXED_INT: + if (bva->size != bvb->size || bva->count != bvb->count) + return FALSE; + + if (bva->count == 1) + { + pa = bva->v.int_value; + pb = bvb->v.int_value; + } + else + { + pa = bva->v.int_array; + pb = bvb->v.int_array; + } + + return !memcmp (pa, pb, sizeof (int) * bva->size * bva->count); + + case COGL_BOXED_FLOAT: + if (bva->size != bvb->size || bva->count != bvb->count) + return FALSE; + + if (bva->count == 1) + { + pa = bva->v.float_value; + pb = bvb->v.float_value; + } + else + { + pa = bva->v.float_array; + pb = bvb->v.float_array; + } + + return !memcmp (pa, pb, sizeof (float) * bva->size * bva->count); + + case COGL_BOXED_MATRIX: + if (bva->size != bvb->size || + bva->count != bvb->count) + return FALSE; + + if (bva->count == 1) + { + pa = bva->v.matrix; + pb = bvb->v.matrix; + } + else + { + pa = bva->v.array; + pb = bvb->v.array; + } + + return !memcmp (pa, pb, + sizeof (float) * bva->size * bva->size * bva->count); + } + + g_warn_if_reached (); + + return FALSE; +} + +static void +_cogl_boxed_value_tranpose (float *dst, + int size, + const float *src) +{ + int y, x; + + /* If the value is transposed we'll just transpose it now as it + * is copied into the boxed value instead of passing TRUE to + * glUniformMatrix because that is not supported on GLES and it + * doesn't seem like the GL driver would be able to do anything + * much smarter than this anyway */ + + for (y = 0; y < size; y++) + for (x = 0; x < size; x++) + *(dst++) = src[y + x * size]; +} + +static void +_cogl_boxed_value_set_x (CoglBoxedValue *bv, + int size, + int count, + CoglBoxedType type, + size_t value_size, + const void *value, + CoglBool transpose) +{ + if (count == 1) + { + if (bv->count > 1) + g_free (bv->v.array); + + if (transpose) + _cogl_boxed_value_tranpose (bv->v.float_value, + size, + value); + else + memcpy (bv->v.float_value, value, value_size); + } + else + { + if (bv->count > 1) + { + if (bv->count != count || + bv->size != size || + bv->type != type) + { + g_free (bv->v.array); + bv->v.array = g_malloc (count * value_size); + } + } + else + bv->v.array = g_malloc (count * value_size); + + if (transpose) + { + int value_num; + + for (value_num = 0; value_num < count; value_num++) + _cogl_boxed_value_tranpose (bv->v.float_array + + value_num * size * size, + size, + (const float *) value + + value_num * size * size); + } + else + memcpy (bv->v.array, value, count * value_size); + } + + bv->type = type; + bv->size = size; + bv->count = count; +} + +void +_cogl_boxed_value_set_1f (CoglBoxedValue *bv, + float value) +{ + _cogl_boxed_value_set_x (bv, + 1, 1, COGL_BOXED_FLOAT, + sizeof (float), &value, FALSE); +} + +void +_cogl_boxed_value_set_1i (CoglBoxedValue *bv, + int value) +{ + _cogl_boxed_value_set_x (bv, + 1, 1, COGL_BOXED_INT, + sizeof (int), &value, FALSE); +} + +void +_cogl_boxed_value_set_float (CoglBoxedValue *bv, + int n_components, + int count, + const float *value) +{ + _cogl_boxed_value_set_x (bv, + n_components, count, + COGL_BOXED_FLOAT, + sizeof (float) * n_components, value, FALSE); +} + +void +_cogl_boxed_value_set_int (CoglBoxedValue *bv, + int n_components, + int count, + const int *value) +{ + _cogl_boxed_value_set_x (bv, + n_components, count, + COGL_BOXED_INT, + sizeof (int) * n_components, value, FALSE); +} + +void +_cogl_boxed_value_set_matrix (CoglBoxedValue *bv, + int dimensions, + int count, + CoglBool transpose, + const float *value) +{ + _cogl_boxed_value_set_x (bv, + dimensions, count, + COGL_BOXED_MATRIX, + sizeof (float) * dimensions * dimensions, + value, + transpose); +} + +void +_cogl_boxed_value_copy (CoglBoxedValue *dst, + const CoglBoxedValue *src) +{ + *dst = *src; + + if (src->count > 1) + { + switch (src->type) + { + case COGL_BOXED_NONE: + break; + + case COGL_BOXED_INT: + dst->v.int_array = g_memdup (src->v.int_array, + src->size * src->count * sizeof (int)); + break; + + case COGL_BOXED_FLOAT: + dst->v.float_array = g_memdup (src->v.float_array, + src->size * + src->count * + sizeof (float)); + break; + + case COGL_BOXED_MATRIX: + dst->v.float_array = g_memdup (src->v.float_array, + src->size * src->size * + src->count * sizeof (float)); + break; + } + } +} + +void +_cogl_boxed_value_destroy (CoglBoxedValue *bv) +{ + if (bv->count > 1) + g_free (bv->v.array); +} + +void +_cogl_boxed_value_set_uniform (CoglContext *ctx, + GLint location, + const CoglBoxedValue *value) +{ + switch (value->type) + { + case COGL_BOXED_NONE: + break; + + case COGL_BOXED_INT: + { + const int *ptr; + + if (value->count == 1) + ptr = value->v.int_value; + else + ptr = value->v.int_array; + + switch (value->size) + { + case 1: + GE( ctx, glUniform1iv (location, value->count, ptr) ); + break; + case 2: + GE( ctx, glUniform2iv (location, value->count, ptr) ); + break; + case 3: + GE( ctx, glUniform3iv (location, value->count, ptr) ); + break; + case 4: + GE( ctx, glUniform4iv (location, value->count, ptr) ); + break; + } + } + break; + + case COGL_BOXED_FLOAT: + { + const float *ptr; + + if (value->count == 1) + ptr = value->v.float_value; + else + ptr = value->v.float_array; + + switch (value->size) + { + case 1: + GE( ctx, glUniform1fv (location, value->count, ptr) ); + break; + case 2: + GE( ctx, glUniform2fv (location, value->count, ptr) ); + break; + case 3: + GE( ctx, glUniform3fv (location, value->count, ptr) ); + break; + case 4: + GE( ctx, glUniform4fv (location, value->count, ptr) ); + break; + } + } + break; + + case COGL_BOXED_MATRIX: + { + const float *ptr; + + if (value->count == 1) + ptr = value->v.matrix; + else + ptr = value->v.float_array; + + switch (value->size) + { + case 2: + GE( ctx, glUniformMatrix2fv (location, value->count, + FALSE, ptr) ); + break; + case 3: + GE( ctx, glUniformMatrix3fv (location, value->count, + FALSE, ptr) ); + break; + case 4: + GE( ctx, glUniformMatrix4fv (location, value->count, + FALSE, ptr) ); + break; + } + } + break; + } +} diff --git a/cogl/cogl-boxed-value.h b/cogl/cogl-boxed-value.h new file mode 100644 index 0000000..c8eda44 --- /dev/null +++ b/cogl/cogl-boxed-value.h @@ -0,0 +1,117 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_BOXED_VALUE_H +#define __COGL_BOXED_VALUE_H + +#include + +#include "cogl-context.h" + +typedef enum { + COGL_BOXED_NONE, + COGL_BOXED_INT, + COGL_BOXED_FLOAT, + COGL_BOXED_MATRIX +} CoglBoxedType; + +typedef struct _CoglBoxedValue +{ + CoglBoxedType type; + int size, count; + + union { + float float_value[4]; + int int_value[4]; + float matrix[16]; + float *float_array; + int *int_array; + void *array; + } v; +} CoglBoxedValue; + +#define _cogl_boxed_value_init(bv) \ + G_STMT_START { \ + CoglBoxedValue *_bv = (bv); \ + _bv->type = COGL_BOXED_NONE; \ + _bv->count = 1; \ + } G_STMT_END + +CoglBool +_cogl_boxed_value_equal (const CoglBoxedValue *bva, + const CoglBoxedValue *bvb); + +void +_cogl_boxed_value_set_1f (CoglBoxedValue *bv, + float value); + +void +_cogl_boxed_value_set_1i (CoglBoxedValue *bv, + int value); + +void +_cogl_boxed_value_set_float (CoglBoxedValue *bv, + int n_components, + int count, + const float *value); + +void +_cogl_boxed_value_set_int (CoglBoxedValue *bv, + int n_components, + int count, + const int *value); + +void +_cogl_boxed_value_set_matrix (CoglBoxedValue *bv, + int dimensions, + int count, + CoglBool transpose, + const float *value); + +/* + * _cogl_boxed_value_copy: + * @dst: The destination boxed value + * @src: The source boxed value + * + * This copies @src to @dst. It is assumed that @dst is initialised. + */ +void +_cogl_boxed_value_copy (CoglBoxedValue *dst, + const CoglBoxedValue *src); + +void +_cogl_boxed_value_destroy (CoglBoxedValue *bv); + +void +_cogl_boxed_value_set_uniform (CoglContext *ctx, + int location, + const CoglBoxedValue *value); + +#endif /* __COGL_BOXED_VALUE_H */ diff --git a/cogl/cogl-buffer-private.h b/cogl/cogl-buffer-private.h new file mode 100644 index 0000000..eab81fd --- /dev/null +++ b/cogl/cogl-buffer-private.h @@ -0,0 +1,180 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Damien Lespiau + * Robert Bragg + */ + +#ifndef __COGL_BUFFER_PRIVATE_H__ +#define __COGL_BUFFER_PRIVATE_H__ + +#include + +#include "cogl-object-private.h" +#include "cogl-buffer.h" +#include "cogl-context.h" +#include "cogl-gl-header.h" + +COGL_BEGIN_DECLS + +typedef struct _CoglBufferVtable CoglBufferVtable; + +struct _CoglBufferVtable +{ + void * (* map_range) (CoglBuffer *buffer, + size_t offset, + size_t size, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error); + + void (* unmap) (CoglBuffer *buffer); + + CoglBool (* set_data) (CoglBuffer *buffer, + unsigned int offset, + const void *data, + unsigned int size, + CoglError **error); +}; + +typedef enum _CoglBufferFlags +{ + COGL_BUFFER_FLAG_NONE = 0, + COGL_BUFFER_FLAG_BUFFER_OBJECT = 1UL << 0, /* real openGL buffer object */ + COGL_BUFFER_FLAG_MAPPED = 1UL << 1, + COGL_BUFFER_FLAG_MAPPED_FALLBACK = 1UL << 2 +} CoglBufferFlags; + +typedef enum { + COGL_BUFFER_USAGE_HINT_TEXTURE, + COGL_BUFFER_USAGE_HINT_ATTRIBUTE_BUFFER, + COGL_BUFFER_USAGE_HINT_INDEX_BUFFER +} CoglBufferUsageHint; + +typedef enum { + COGL_BUFFER_BIND_TARGET_PIXEL_PACK, + COGL_BUFFER_BIND_TARGET_PIXEL_UNPACK, + COGL_BUFFER_BIND_TARGET_ATTRIBUTE_BUFFER, + COGL_BUFFER_BIND_TARGET_INDEX_BUFFER, + + COGL_BUFFER_BIND_TARGET_COUNT +} CoglBufferBindTarget; + +struct _CoglBuffer +{ + CoglObject _parent; + + CoglContext *context; + + CoglBufferVtable vtable; + + CoglBufferBindTarget last_target; + + CoglBufferFlags flags; + + GLuint gl_handle; /* OpenGL handle */ + unsigned int size; /* size of the buffer, in bytes */ + CoglBufferUsageHint usage_hint; + CoglBufferUpdateHint update_hint; + + /* points to the mapped memory when the CoglBuffer is a VBO, PBO, + * ... or points to allocated memory in the fallback paths */ + uint8_t *data; + + int immutable_ref; + + unsigned int store_created:1; +}; + +/* This is used to register a type to the list of handle types that + will be considered a texture in cogl_is_texture() */ +void +_cogl_buffer_register_buffer_type (const CoglObjectClass *klass); + +#define COGL_BUFFER_DEFINE(TypeName, type_name) \ + COGL_OBJECT_DEFINE_WITH_CODE \ + (TypeName, type_name, \ + _cogl_buffer_register_buffer_type (&_cogl_##type_name##_class)) + +void +_cogl_buffer_initialize (CoglBuffer *buffer, + CoglContext *context, + size_t size, + CoglBufferBindTarget default_target, + CoglBufferUsageHint usage_hint, + CoglBufferUpdateHint update_hint); + +void +_cogl_buffer_fini (CoglBuffer *buffer); + +CoglBufferUsageHint +_cogl_buffer_get_usage_hint (CoglBuffer *buffer); + +GLenum +_cogl_buffer_access_to_gl_enum (CoglBufferAccess access); + +CoglBuffer * +_cogl_buffer_immutable_ref (CoglBuffer *buffer); + +void +_cogl_buffer_immutable_unref (CoglBuffer *buffer); + +CoglBool +_cogl_buffer_set_data (CoglBuffer *buffer, + size_t offset, + const void *data, + size_t size, + CoglError **error); + +void * +_cogl_buffer_map (CoglBuffer *buffer, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error); + +/* This is a wrapper around cogl_buffer_map_range for internal use + when we want to map the buffer for write only to replace the entire + contents. If the map fails then it will fallback to writing to a + temporary buffer. When _cogl_buffer_unmap_for_fill_or_fallback is + called the temporary buffer will be copied into the array. Note + that these calls share a global array so they can not be nested. */ +void * +_cogl_buffer_map_range_for_fill_or_fallback (CoglBuffer *buffer, + size_t offset, + size_t size); +void * +_cogl_buffer_map_for_fill_or_fallback (CoglBuffer *buffer); + +void +_cogl_buffer_unmap_for_fill_or_fallback (CoglBuffer *buffer); + +COGL_END_DECLS + +#endif /* __COGL_BUFFER_PRIVATE_H__ */ diff --git a/cogl/cogl-buffer.c b/cogl/cogl-buffer.c new file mode 100644 index 0000000..ede46cc --- /dev/null +++ b/cogl/cogl-buffer.c @@ -0,0 +1,411 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Damien Lespiau + * Robert Bragg + */ + +/* For an overview of the functionality implemented here, please see + * cogl-buffer.h, which contains the gtk-doc section overview for the + * Pixel Buffers API. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include + +#include "cogl-util.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-pixel-buffer-private.h" + +/* XXX: + * The CoglObject macros don't support any form of inheritance, so for + * now we implement the CoglObject support for the CoglBuffer + * abstract class manually. + */ + +static GSList *_cogl_buffer_types; + +void +_cogl_buffer_register_buffer_type (const CoglObjectClass *klass) +{ + _cogl_buffer_types = g_slist_prepend (_cogl_buffer_types, (void *) klass); +} + +CoglBool +cogl_is_buffer (void *object) +{ + const CoglObject *obj = object; + GSList *l; + + if (object == NULL) + return FALSE; + + for (l = _cogl_buffer_types; l; l = l->next) + if (l->data == obj->klass) + return TRUE; + + return FALSE; +} + +/* + * Fallback path, buffer->data points to a malloc'ed buffer. + */ + +static void * +malloc_map_range (CoglBuffer *buffer, + size_t offset, + size_t size, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error) +{ + buffer->flags |= COGL_BUFFER_FLAG_MAPPED; + return buffer->data + offset; +} + +static void +malloc_unmap (CoglBuffer *buffer) +{ + buffer->flags &= ~COGL_BUFFER_FLAG_MAPPED; +} + +static CoglBool +malloc_set_data (CoglBuffer *buffer, + unsigned int offset, + const void *data, + unsigned int size, + CoglError **error) +{ + memcpy (buffer->data + offset, data, size); + return TRUE; +} + +void +_cogl_buffer_initialize (CoglBuffer *buffer, + CoglContext *ctx, + size_t size, + CoglBufferBindTarget default_target, + CoglBufferUsageHint usage_hint, + CoglBufferUpdateHint update_hint) +{ + CoglBool use_malloc = FALSE; + + buffer->context = ctx; + buffer->flags = COGL_BUFFER_FLAG_NONE; + buffer->store_created = FALSE; + buffer->size = size; + buffer->last_target = default_target; + buffer->usage_hint = usage_hint; + buffer->update_hint = update_hint; + buffer->data = NULL; + buffer->immutable_ref = 0; + + if (default_target == COGL_BUFFER_BIND_TARGET_PIXEL_PACK || + default_target == COGL_BUFFER_BIND_TARGET_PIXEL_UNPACK) + { + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_PBOS)) + use_malloc = TRUE; + } + else if (default_target == COGL_BUFFER_BIND_TARGET_ATTRIBUTE_BUFFER || + default_target == COGL_BUFFER_BIND_TARGET_INDEX_BUFFER) + { + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_VBOS)) + use_malloc = TRUE; + } + + if (use_malloc) + { + buffer->vtable.map_range = malloc_map_range; + buffer->vtable.unmap = malloc_unmap; + buffer->vtable.set_data = malloc_set_data; + + buffer->data = g_malloc (size); + } + else + { + buffer->vtable.map_range = ctx->driver_vtable->buffer_map_range; + buffer->vtable.unmap = ctx->driver_vtable->buffer_unmap; + buffer->vtable.set_data = ctx->driver_vtable->buffer_set_data; + + ctx->driver_vtable->buffer_create (buffer); + + buffer->flags |= COGL_BUFFER_FLAG_BUFFER_OBJECT; + } +} + +void +_cogl_buffer_fini (CoglBuffer *buffer) +{ + _COGL_RETURN_IF_FAIL (!(buffer->flags & COGL_BUFFER_FLAG_MAPPED)); + _COGL_RETURN_IF_FAIL (buffer->immutable_ref == 0); + + if (buffer->flags & COGL_BUFFER_FLAG_BUFFER_OBJECT) + buffer->context->driver_vtable->buffer_destroy (buffer); + else + g_free (buffer->data); +} + +unsigned int +cogl_buffer_get_size (CoglBuffer *buffer) +{ + if (!cogl_is_buffer (buffer)) + return 0; + + return COGL_BUFFER (buffer)->size; +} + +void +cogl_buffer_set_update_hint (CoglBuffer *buffer, + CoglBufferUpdateHint hint) +{ + if (!cogl_is_buffer (buffer)) + return; + + if (G_UNLIKELY (hint > COGL_BUFFER_UPDATE_HINT_STREAM)) + hint = COGL_BUFFER_UPDATE_HINT_STATIC; + + buffer->update_hint = hint; +} + +CoglBufferUpdateHint +cogl_buffer_get_update_hint (CoglBuffer *buffer) +{ + if (!cogl_is_buffer (buffer)) + return FALSE; + + return buffer->update_hint; +} + +static void +warn_about_midscene_changes (void) +{ + static CoglBool seen = FALSE; + if (!seen) + { + g_warning ("Mid-scene modification of buffers has " + "undefined results\n"); + seen = TRUE; + } +} + +void * +_cogl_buffer_map (CoglBuffer *buffer, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_buffer (buffer), NULL); + + return cogl_buffer_map_range (buffer, 0, buffer->size, access, hints, error); +} + +void * +cogl_buffer_map (CoglBuffer *buffer, + CoglBufferAccess access, + CoglBufferMapHint hints) +{ + CoglError *ignore_error = NULL; + void *ptr = + cogl_buffer_map_range (buffer, 0, buffer->size, access, hints, + &ignore_error); + if (!ptr) + cogl_error_free (ignore_error); + return ptr; +} + +void * +cogl_buffer_map_range (CoglBuffer *buffer, + size_t offset, + size_t size, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_buffer (buffer), NULL); + _COGL_RETURN_VAL_IF_FAIL (!(buffer->flags & COGL_BUFFER_FLAG_MAPPED), NULL); + + if (G_UNLIKELY (buffer->immutable_ref)) + warn_about_midscene_changes (); + + buffer->data = buffer->vtable.map_range (buffer, + offset, + size, + access, + hints, + error); + + return buffer->data; +} + +void +cogl_buffer_unmap (CoglBuffer *buffer) +{ + if (!cogl_is_buffer (buffer)) + return; + + if (!(buffer->flags & COGL_BUFFER_FLAG_MAPPED)) + return; + + buffer->vtable.unmap (buffer); +} + +void * +_cogl_buffer_map_for_fill_or_fallback (CoglBuffer *buffer) +{ + return _cogl_buffer_map_range_for_fill_or_fallback (buffer, 0, buffer->size); +} + +void * +_cogl_buffer_map_range_for_fill_or_fallback (CoglBuffer *buffer, + size_t offset, + size_t size) +{ + CoglContext *ctx = buffer->context; + void *ret; + CoglError *ignore_error = NULL; + + _COGL_RETURN_VAL_IF_FAIL (!ctx->buffer_map_fallback_in_use, NULL); + + ctx->buffer_map_fallback_in_use = TRUE; + + ret = cogl_buffer_map_range (buffer, + offset, + size, + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + &ignore_error); + + if (ret) + return ret; + + cogl_error_free (ignore_error); + + /* If the map fails then we'll use a temporary buffer to fill + the data and then upload it using cogl_buffer_set_data when + the buffer is unmapped. The temporary buffer is shared to + avoid reallocating it every time */ + g_byte_array_set_size (ctx->buffer_map_fallback_array, size); + ctx->buffer_map_fallback_offset = offset; + + buffer->flags |= COGL_BUFFER_FLAG_MAPPED_FALLBACK; + + return ctx->buffer_map_fallback_array->data; +} + +void +_cogl_buffer_unmap_for_fill_or_fallback (CoglBuffer *buffer) +{ + CoglContext *ctx = buffer->context; + + _COGL_RETURN_IF_FAIL (ctx->buffer_map_fallback_in_use); + + ctx->buffer_map_fallback_in_use = FALSE; + + if ((buffer->flags & COGL_BUFFER_FLAG_MAPPED_FALLBACK)) + { + /* Note: don't try to catch OOM errors here since the use cases + * we currently have for this api (the journal and path stroke + * tesselator) don't have anything particularly sensible they + * can do in response to a failure anyway so it seems better to + * simply abort instead. + * + * If we find this is a problem for real world applications + * then in the path tesselation case we could potentially add an + * explicit cogl_path_tesselate_stroke() api that can throw an + * error for the app to cache. For the journal we could + * potentially flush the journal in smaller batches so we use + * smaller buffers, though that would probably not help for + * deferred renderers. + */ + _cogl_buffer_set_data (buffer, + ctx->buffer_map_fallback_offset, + ctx->buffer_map_fallback_array->data, + ctx->buffer_map_fallback_array->len, + NULL); + buffer->flags &= ~COGL_BUFFER_FLAG_MAPPED_FALLBACK; + } + else + cogl_buffer_unmap (buffer); +} + +CoglBool +_cogl_buffer_set_data (CoglBuffer *buffer, + size_t offset, + const void *data, + size_t size, + CoglError **error) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_buffer (buffer), FALSE); + _COGL_RETURN_VAL_IF_FAIL ((offset + size) <= buffer->size, FALSE); + + if (G_UNLIKELY (buffer->immutable_ref)) + warn_about_midscene_changes (); + + return buffer->vtable.set_data (buffer, offset, data, size, error); +} + +CoglBool +cogl_buffer_set_data (CoglBuffer *buffer, + size_t offset, + const void *data, + size_t size) +{ + CoglError *ignore_error = NULL; + CoglBool status = + _cogl_buffer_set_data (buffer, offset, data, size, &ignore_error); + if (!status) + cogl_error_free (ignore_error); + return status; +} + +CoglBuffer * +_cogl_buffer_immutable_ref (CoglBuffer *buffer) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_buffer (buffer), NULL); + + buffer->immutable_ref++; + return buffer; +} + +void +_cogl_buffer_immutable_unref (CoglBuffer *buffer) +{ + _COGL_RETURN_IF_FAIL (cogl_is_buffer (buffer)); + _COGL_RETURN_IF_FAIL (buffer->immutable_ref > 0); + + buffer->immutable_ref--; +} + diff --git a/cogl/cogl-buffer.h b/cogl/cogl-buffer.h new file mode 100644 index 0000000..235e941 --- /dev/null +++ b/cogl/cogl-buffer.h @@ -0,0 +1,324 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C)2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Damien Lespiau + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_BUFFER_H__ +#define __COGL_BUFFER_H__ + +#include +#include + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-buffer + * @short_description: Common buffer functions, including data upload APIs + * @stability: unstable + * + * The CoglBuffer API provides a common interface to manipulate + * buffers that have been allocated either via cogl_pixel_buffer_new() + * or cogl_attribute_buffer_new(). The API allows you to upload data + * to these buffers and define usage hints that help Cogl manage your + * buffer optimally. + * + * Data can either be uploaded by supplying a pointer and size so Cogl + * can copy your data, or you can mmap() a CoglBuffer and then you can + * copy data to the buffer directly. + * + * One of the most common uses for CoglBuffers is to upload texture + * data asynchronously since the ability to mmap the buffers into + * the CPU makes it possible for another thread to handle the IO + * of loading an image file and unpacking it into the mapped buffer + * without blocking other Cogl operations. + */ + +#ifdef __COGL_H_INSIDE__ +/* For the public C api we typedef interface types as void to avoid needing + * lots of casting in code and instead we will rely on runtime type checking + * for these objects. */ +typedef void CoglBuffer; +#else +typedef struct _CoglBuffer CoglBuffer; +#define COGL_BUFFER(buffer) ((CoglBuffer *)(buffer)) +#endif + +#define COGL_BUFFER_ERROR (_cogl_buffer_error_domain ()) + +/** + * CoglBufferError: + * @COGL_BUFFER_ERROR_MAP: A buffer could not be mapped either + * because the feature isn't supported or because a system + * limitation was hit. + * + * Error enumeration for #CoglBuffer + * + * Stability: unstable + */ +typedef enum { /*< prefix=COGL_BUFFER_ERROR >*/ + COGL_BUFFER_ERROR_MAP, +} CoglBufferError; + +uint32_t +_cogl_buffer_error_domain (void); + +/** + * cogl_is_buffer: + * @object: a buffer object + * + * Checks whether @buffer is a buffer object. + * + * Return value: %TRUE if the handle is a CoglBuffer, and %FALSE otherwise + * + * Since: 1.2 + * Stability: unstable + */ +CoglBool +cogl_is_buffer (void *object); + +/** + * cogl_buffer_get_size: + * @buffer: a buffer object + * + * Retrieves the size of buffer + * + * Return value: the size of the buffer in bytes + * + * Since: 1.2 + * Stability: unstable + */ +unsigned int +cogl_buffer_get_size (CoglBuffer *buffer); + +/** + * CoglBufferUpdateHint: + * @COGL_BUFFER_UPDATE_HINT_STATIC: the buffer will not change over time + * @COGL_BUFFER_UPDATE_HINT_DYNAMIC: the buffer will change from time to time + * @COGL_BUFFER_UPDATE_HINT_STREAM: the buffer will be used once or a couple of + * times + * + * The update hint on a buffer allows the user to give some detail on how often + * the buffer data is going to be updated. + * + * Since: 1.2 + * Stability: unstable + */ +typedef enum { /*< prefix=COGL_BUFFER_UPDATE_HINT >*/ + COGL_BUFFER_UPDATE_HINT_STATIC, + COGL_BUFFER_UPDATE_HINT_DYNAMIC, + COGL_BUFFER_UPDATE_HINT_STREAM +} CoglBufferUpdateHint; + +/** + * cogl_buffer_set_update_hint: + * @buffer: a buffer object + * @hint: the new hint + * + * Sets the update hint on a buffer. See #CoglBufferUpdateHint for a description + * of the available hints. + * + * Since: 1.2 + * Stability: unstable + */ +void +cogl_buffer_set_update_hint (CoglBuffer *buffer, + CoglBufferUpdateHint hint); + +/** + * cogl_buffer_get_update_hint: + * @buffer: a buffer object + * + * Retrieves the update hints set using cogl_buffer_set_update_hint() + * + * Return value: the #CoglBufferUpdateHint currently used by the buffer + * + * Since: 1.2 + * Stability: unstable + */ +CoglBufferUpdateHint +cogl_buffer_get_update_hint (CoglBuffer *buffer); + +/** + * CoglBufferAccess: + * @COGL_BUFFER_ACCESS_READ: the buffer will be read + * @COGL_BUFFER_ACCESS_WRITE: the buffer will written to + * @COGL_BUFFER_ACCESS_READ_WRITE: the buffer will be used for both reading and + * writing + * + * The access hints for cogl_buffer_set_update_hint() + * + * Since: 1.2 + * Stability: unstable + */ +typedef enum { /*< prefix=COGL_BUFFER_ACCESS >*/ + COGL_BUFFER_ACCESS_READ = 1 << 0, + COGL_BUFFER_ACCESS_WRITE = 1 << 1, + COGL_BUFFER_ACCESS_READ_WRITE = COGL_BUFFER_ACCESS_READ | COGL_BUFFER_ACCESS_WRITE +} CoglBufferAccess; + + +/** + * CoglBufferMapHint: + * @COGL_BUFFER_MAP_HINT_DISCARD: Tells Cogl that you plan to replace + * all the buffer's contents. When this flag is used to map a + * buffer, the entire contents of the buffer become undefined, even + * if only a subregion of the buffer is mapped. + * @COGL_BUFFER_MAP_HINT_DISCARD_RANGE: Tells Cogl that you plan to + * replace all the contents of the mapped region. The contents of + * the region specified are undefined after this flag is used to + * map a buffer. + * + * Hints to Cogl about how you are planning to modify the data once it + * is mapped. + * + * Since: 1.4 + * Stability: unstable + */ +typedef enum { /*< prefix=COGL_BUFFER_MAP_HINT >*/ + COGL_BUFFER_MAP_HINT_DISCARD = 1 << 0, + COGL_BUFFER_MAP_HINT_DISCARD_RANGE = 1 << 1 +} CoglBufferMapHint; + +/** + * cogl_buffer_map: + * @buffer: a buffer object + * @access: how the mapped buffer will be used by the application + * @hints: A mask of #CoglBufferMapHints that tell Cogl how + * the data will be modified once mapped. + * + * Maps the buffer into the application address space for direct + * access. This is equivalent to calling cogl_buffer_map_range() with + * zero as the offset and the size of the entire buffer as the size. + * + * It is strongly recommended that you pass + * %COGL_BUFFER_MAP_HINT_DISCARD as a hint if you are going to replace + * all the buffer's data. This way if the buffer is currently being + * used by the GPU then the driver won't have to stall the CPU and + * wait for the hardware to finish because it can instead allocate a + * new buffer to map. + * + * The behaviour is undefined if you access the buffer in a way + * conflicting with the @access mask you pass. It is also an error to + * release your last reference while the buffer is mapped. + * + * Return value: (transfer none): A pointer to the mapped memory or + * %NULL is the call fails + * + * Since: 1.2 + * Stability: unstable + */ +void * +cogl_buffer_map (CoglBuffer *buffer, + CoglBufferAccess access, + CoglBufferMapHint hints); + +/** + * cogl_buffer_map_range: + * @buffer: a buffer object + * @offset: Offset within the buffer to start the mapping + * @size: The size of data to map + * @access: how the mapped buffer will be used by the application + * @hints: A mask of #CoglBufferMapHints that tell Cogl how + * the data will be modified once mapped. + * @error: A #CoglError for catching exceptional errors + * + * Maps a sub-region of the buffer into the application's address space + * for direct access. + * + * It is strongly recommended that you pass + * %COGL_BUFFER_MAP_HINT_DISCARD as a hint if you are going to replace + * all the buffer's data. This way if the buffer is currently being + * used by the GPU then the driver won't have to stall the CPU and + * wait for the hardware to finish because it can instead allocate a + * new buffer to map. You can pass + * %COGL_BUFFER_MAP_HINT_DISCARD_RANGE instead if you want the + * regions outside of the mapping to be retained. + * + * The behaviour is undefined if you access the buffer in a way + * conflicting with the @access mask you pass. It is also an error to + * release your last reference while the buffer is mapped. + * + * Return value: (transfer none): A pointer to the mapped memory or + * %NULL is the call fails + * + * Since: 2.0 + * Stability: unstable + */ +void * +cogl_buffer_map_range (CoglBuffer *buffer, + size_t offset, + size_t size, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error); + +/** + * cogl_buffer_unmap: + * @buffer: a buffer object + * + * Unmaps a buffer previously mapped by cogl_buffer_map(). + * + * Since: 1.2 + * Stability: unstable + */ +void +cogl_buffer_unmap (CoglBuffer *buffer); + +/** + * cogl_buffer_set_data: + * @buffer: a buffer object + * @offset: destination offset (in bytes) in the buffer + * @data: a pointer to the data to be copied into the buffer + * @size: number of bytes to copy + * + * Updates part of the buffer with new data from @data. Where to put this new + * data is controlled by @offset and @offset + @data should be less than the + * buffer size. + * + * Return value: %TRUE is the operation succeeded, %FALSE otherwise + * + * Since: 1.2 + * Stability: unstable + */ +CoglBool +cogl_buffer_set_data (CoglBuffer *buffer, + size_t offset, + const void *data, + size_t size); + +COGL_END_DECLS + +#endif /* __COGL_BUFFER_H__ */ diff --git a/cogl/cogl-clip-stack.c b/cogl/cogl-clip-stack.c new file mode 100644 index 0000000..b0e5b0d --- /dev/null +++ b/cogl/cogl-clip-stack.c @@ -0,0 +1,412 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include + +#include "cogl-clip-stack.h" +#include "cogl-primitives.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-journal-private.h" +#include "cogl-util.h" +#include "cogl-matrix-private.h" +#include "cogl-primitives-private.h" +#include "cogl-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-attribute-private.h" +#include "cogl-primitive-private.h" +#include "cogl1-context.h" +#include "cogl-offscreen.h" +#include "cogl-matrix-stack.h" + + + +static void * +_cogl_clip_stack_push_entry (CoglClipStack *clip_stack, + size_t size, + CoglClipStackType type) +{ + CoglClipStack *entry = g_slice_alloc (size); + + /* The new entry starts with a ref count of 1 because the stack + holds a reference to it as it is the top entry */ + entry->ref_count = 1; + entry->type = type; + entry->parent = clip_stack; + + /* We don't need to take a reference to the parent from the entry + because the we are stealing the ref in the new stack top */ + + return entry; +} + +static void +get_transformed_corners (float x_1, + float y_1, + float x_2, + float y_2, + CoglMatrix *modelview, + CoglMatrix *projection, + const float *viewport, + float *transformed_corners) +{ + int i; + + transformed_corners[0] = x_1; + transformed_corners[1] = y_1; + transformed_corners[2] = x_2; + transformed_corners[3] = y_1; + transformed_corners[4] = x_2; + transformed_corners[5] = y_2; + transformed_corners[6] = x_1; + transformed_corners[7] = y_2; + + + /* Project the coordinates to window space coordinates */ + for (i = 0; i < 4; i++) + { + float *v = transformed_corners + i * 2; + _cogl_transform_point (modelview, projection, viewport, v, v + 1); + } +} + +/* Sets the window-space bounds of the entry based on the projected + coordinates of the given rectangle */ +static void +_cogl_clip_stack_entry_set_bounds (CoglClipStack *entry, + float *transformed_corners) +{ + float min_x = G_MAXFLOAT, min_y = G_MAXFLOAT; + float max_x = -G_MAXFLOAT, max_y = -G_MAXFLOAT; + int i; + + for (i = 0; i < 4; i++) + { + float *v = transformed_corners + i * 2; + + if (v[0] > max_x) + max_x = v[0]; + if (v[0] < min_x) + min_x = v[0]; + if (v[1] > max_y) + max_y = v[1]; + if (v[1] < min_y) + min_y = v[1]; + } + + entry->bounds_x0 = floorf (min_x); + entry->bounds_x1 = ceilf (max_x); + entry->bounds_y0 = floorf (min_y); + entry->bounds_y1 = ceilf (max_y); +} + +CoglClipStack * +_cogl_clip_stack_push_window_rectangle (CoglClipStack *stack, + int x_offset, + int y_offset, + int width, + int height) +{ + CoglClipStack *entry; + + entry = _cogl_clip_stack_push_entry (stack, + sizeof (CoglClipStackWindowRect), + COGL_CLIP_STACK_WINDOW_RECT); + + entry->bounds_x0 = x_offset; + entry->bounds_x1 = x_offset + width; + entry->bounds_y0 = y_offset; + entry->bounds_y1 = y_offset + height; + + return entry; +} + +CoglClipStack * +_cogl_clip_stack_push_rectangle (CoglClipStack *stack, + float x_1, + float y_1, + float x_2, + float y_2, + CoglMatrixEntry *modelview_entry, + CoglMatrixEntry *projection_entry, + const float *viewport) +{ + CoglClipStackRect *entry; + CoglMatrix modelview; + CoglMatrix projection; + CoglMatrix modelview_projection; + + /* Corners of the given rectangle in an clockwise order: + * (0, 1) (2, 3) + * + * + * + * (6, 7) (4, 5) + */ + float rect[] = { + x_1, y_1, + x_2, y_1, + x_2, y_2, + x_1, y_2 + }; + + /* Make a new entry */ + entry = _cogl_clip_stack_push_entry (stack, + sizeof (CoglClipStackRect), + COGL_CLIP_STACK_RECT); + + entry->x0 = x_1; + entry->y0 = y_1; + entry->x1 = x_2; + entry->y1 = y_2; + + entry->matrix_entry = cogl_matrix_entry_ref (modelview_entry); + + cogl_matrix_entry_get (modelview_entry, &modelview); + cogl_matrix_entry_get (projection_entry, &projection); + + cogl_matrix_multiply (&modelview_projection, + &projection, + &modelview); + + /* Technically we could avoid the viewport transform at this point + * if we want to make this a bit faster. */ + _cogl_transform_point (&modelview, &projection, viewport, &rect[0], &rect[1]); + _cogl_transform_point (&modelview, &projection, viewport, &rect[2], &rect[3]); + _cogl_transform_point (&modelview, &projection, viewport, &rect[4], &rect[5]); + _cogl_transform_point (&modelview, &projection, viewport, &rect[6], &rect[7]); + + /* If the fully transformed rectangle isn't still axis aligned we + * can't handle it using a scissor. + * + * We don't use an epsilon here since we only really aim to catch + * simple cases where the transform doesn't leave the rectangle screen + * aligned and don't mind some false positives. + */ + if (rect[0] != rect[6] || + rect[1] != rect[3] || + rect[2] != rect[4] || + rect[7] != rect[5]) + { + entry->can_be_scissor = FALSE; + + _cogl_clip_stack_entry_set_bounds ((CoglClipStack *) entry, + rect); + } + else + { + CoglClipStack *base_entry = (CoglClipStack *) entry; + x_1 = rect[0]; + y_1 = rect[1]; + x_2 = rect[4]; + y_2 = rect[5]; + + /* Consider that the modelview matrix may flip the rectangle + * along the x or y axis... */ +#define SWAP(A,B) do { float tmp = B; B = A; A = tmp; } while (0) + if (x_1 > x_2) + SWAP (x_1, x_2); + if (y_1 > y_2) + SWAP (y_1, y_2); +#undef SWAP + + base_entry->bounds_x0 = COGL_UTIL_NEARBYINT (x_1); + base_entry->bounds_y0 = COGL_UTIL_NEARBYINT (y_1); + base_entry->bounds_x1 = COGL_UTIL_NEARBYINT (x_2); + base_entry->bounds_y1 = COGL_UTIL_NEARBYINT (y_2); + entry->can_be_scissor = TRUE; + } + + return (CoglClipStack *) entry; +} + +CoglClipStack * +_cogl_clip_stack_push_primitive (CoglClipStack *stack, + CoglPrimitive *primitive, + float bounds_x1, + float bounds_y1, + float bounds_x2, + float bounds_y2, + CoglMatrixEntry *modelview_entry, + CoglMatrixEntry *projection_entry, + const float *viewport) +{ + CoglClipStackPrimitive *entry; + CoglMatrix modelview; + CoglMatrix projection; + float transformed_corners[8]; + + entry = _cogl_clip_stack_push_entry (stack, + sizeof (CoglClipStackPrimitive), + COGL_CLIP_STACK_PRIMITIVE); + + entry->primitive = cogl_object_ref (primitive); + + entry->matrix_entry = cogl_matrix_entry_ref (modelview_entry); + + entry->bounds_x1 = bounds_x1; + entry->bounds_y1 = bounds_y1; + entry->bounds_x2 = bounds_x2; + entry->bounds_y2 = bounds_y2; + + cogl_matrix_entry_get (modelview_entry, &modelview); + cogl_matrix_entry_get (projection_entry, &projection); + + get_transformed_corners (bounds_x1, bounds_y1, bounds_x2, bounds_y2, + &modelview, + &projection, + viewport, + transformed_corners); + + /* NB: this is referring to the bounds in window coordinates as opposed + * to the bounds above in primitive local coordinates. */ + _cogl_clip_stack_entry_set_bounds ((CoglClipStack *) entry, + transformed_corners); + + return (CoglClipStack *) entry; +} + +CoglClipStack * +_cogl_clip_stack_ref (CoglClipStack *entry) +{ + /* A NULL pointer is considered a valid stack so we should accept + that as an argument */ + if (entry) + entry->ref_count++; + + return entry; +} + +void +_cogl_clip_stack_unref (CoglClipStack *entry) +{ + /* Unref all of the entries until we hit the root of the list or the + entry still has a remaining reference */ + while (entry && --entry->ref_count <= 0) + { + CoglClipStack *parent = entry->parent; + + switch (entry->type) + { + case COGL_CLIP_STACK_RECT: + { + CoglClipStackRect *rect = (CoglClipStackRect *) entry; + cogl_matrix_entry_unref (rect->matrix_entry); + g_slice_free1 (sizeof (CoglClipStackRect), entry); + break; + } + case COGL_CLIP_STACK_WINDOW_RECT: + g_slice_free1 (sizeof (CoglClipStackWindowRect), entry); + break; + case COGL_CLIP_STACK_PRIMITIVE: + { + CoglClipStackPrimitive *primitive_entry = + (CoglClipStackPrimitive *) entry; + cogl_matrix_entry_unref (primitive_entry->matrix_entry); + cogl_object_unref (primitive_entry->primitive); + g_slice_free1 (sizeof (CoglClipStackPrimitive), entry); + break; + } + default: + g_assert_not_reached (); + } + + entry = parent; + } +} + +CoglClipStack * +_cogl_clip_stack_pop (CoglClipStack *stack) +{ + CoglClipStack *new_top; + + _COGL_RETURN_VAL_IF_FAIL (stack != NULL, NULL); + + /* To pop we are moving the top of the stack to the old top's parent + node. The stack always needs to have a reference to the top entry + so we must take a reference to the new top. The stack would have + previously had a reference to the old top so we need to decrease + the ref count on that. We need to ref the new head first in case + this stack was the only thing referencing the old top. In that + case the call to _cogl_clip_stack_entry_unref will unref the + parent. */ + new_top = stack->parent; + + _cogl_clip_stack_ref (new_top); + + _cogl_clip_stack_unref (stack); + + return new_top; +} + +void +_cogl_clip_stack_get_bounds (CoglClipStack *stack, + int *scissor_x0, + int *scissor_y0, + int *scissor_x1, + int *scissor_y1) +{ + CoglClipStack *entry; + + *scissor_x0 = 0; + *scissor_y0 = 0; + *scissor_x1 = G_MAXINT; + *scissor_y1 = G_MAXINT; + + for (entry = stack; entry; entry = entry->parent) + { + /* Get the intersection of the current scissor and the bounding + box of this clip */ + _cogl_util_scissor_intersect (entry->bounds_x0, + entry->bounds_y0, + entry->bounds_x1, + entry->bounds_y1, + scissor_x0, + scissor_y0, + scissor_x1, + scissor_y1); + } +} + +void +_cogl_clip_stack_flush (CoglClipStack *stack, + CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + + ctx->driver_vtable->clip_stack_flush (stack, framebuffer); +} diff --git a/cogl/cogl-clip-stack.h b/cogl/cogl-clip-stack.h new file mode 100644 index 0000000..56bc3f8 --- /dev/null +++ b/cogl/cogl-clip-stack.h @@ -0,0 +1,213 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_CLIP_STACK_H +#define __COGL_CLIP_STACK_H + +#include "cogl-matrix.h" +#include "cogl-primitive.h" +#include "cogl-framebuffer.h" +#include "cogl-matrix-stack.h" + +/* The clip stack works like a GSList where only a pointer to the top + of the stack is stored. The empty clip stack is represented simply + by the NULL pointer. When an entry is added to or removed from the + stack the new top of the stack is returned. When an entry is pushed + a new clip stack entry is created which effectively takes ownership + of the reference on the old entry. Therefore unrefing the top entry + effectively loses ownership of all entries in the stack */ + +typedef struct _CoglClipStack CoglClipStack; +typedef struct _CoglClipStackRect CoglClipStackRect; +typedef struct _CoglClipStackWindowRect CoglClipStackWindowRect; +typedef struct _CoglClipStackPrimitive CoglClipStackPrimitive; + +typedef enum + { + COGL_CLIP_STACK_RECT, + COGL_CLIP_STACK_WINDOW_RECT, + COGL_CLIP_STACK_PRIMITIVE + } CoglClipStackType; + +/* A clip stack consists a list of entries. Each entry has a reference + * count and a link to its parent node. The child takes a reference on + * the parent and the CoglClipStack holds a reference to the top of + * the stack. There are no links back from the parent to the + * children. This allows stacks that have common ancestry to share the + * entries. + * + * For example, the following sequence of operations would generate + * the tree below: + * + * CoglClipStack *stack_a = NULL; + * stack_a = _cogl_clip_stack_push_rectangle (stack_a, ...); + * stack_a = _cogl_clip_stack_push_rectangle (stack_a, ...); + * stack_a = _cogl_clip_stack_push_primitive (stack_a, ...); + * CoglClipStack *stack_b = NULL; + * stack_b = cogl_clip_stack_push_window_rectangle (stack_b, ...); + * + * stack_a + * \ holds a ref to + * +-----------+ + * | prim node | + * |ref count 1| + * +-----------+ + * \ + * +-----------+ +-----------+ + * both tops hold | rect node | | rect node | + * a ref to the |ref count 2|--|ref count 1| + * same rect node +-----------+ +-----------+ + * / + * +-----------+ + * | win. rect | + * |ref count 1| + * +-----------+ + * / holds a ref to + * stack_b + * + */ + +struct _CoglClipStack +{ + /* This will be null if there is no parent. If it is not null then + this node must be holding a reference to the parent */ + CoglClipStack *parent; + + CoglClipStackType type; + + /* All clip entries have a window-space bounding box which we can + use to calculate a scissor. The scissor limits the clip so that + we don't need to do a full stencil clear if the stencil buffer is + needed. This is stored in Cogl's coordinate space (ie, 0,0 is the + top left) */ + int bounds_x0; + int bounds_y0; + int bounds_x1; + int bounds_y1; + + unsigned int ref_count; +}; + +struct _CoglClipStackRect +{ + CoglClipStack _parent_data; + + /* The rectangle for this clip */ + float x0; + float y0; + float x1; + float y1; + + /* The matrix that was current when the clip was set */ + CoglMatrixEntry *matrix_entry; + + /* If this is true then the clip for this rectangle is entirely + described by the scissor bounds. This implies that the rectangle + is screen aligned and we don't need to use the stencil buffer to + set the clip. We keep the entry as a rect entry rather than a + window rect entry so that it will be easier to detect if the + modelview matrix is that same as when a rectangle is added to the + journal. In that case we can use the original clip coordinates + and modify the rectangle instead. */ + CoglBool can_be_scissor; +}; + +struct _CoglClipStackWindowRect +{ + CoglClipStack _parent_data; + + /* The window rect clip doesn't need any specific data because it + just adds to the scissor clip */ +}; + +struct _CoglClipStackPrimitive +{ + CoglClipStack _parent_data; + + /* The matrix that was current when the clip was set */ + CoglMatrixEntry *matrix_entry; + + CoglPrimitive *primitive; + + float bounds_x1; + float bounds_y1; + float bounds_x2; + float bounds_y2; +}; + +CoglClipStack * +_cogl_clip_stack_push_window_rectangle (CoglClipStack *stack, + int x_offset, + int y_offset, + int width, + int height); + +CoglClipStack * +_cogl_clip_stack_push_rectangle (CoglClipStack *stack, + float x_1, + float y_1, + float x_2, + float y_2, + CoglMatrixEntry *modelview_entry, + CoglMatrixEntry *projection_entry, + const float *viewport); + +CoglClipStack * +_cogl_clip_stack_push_primitive (CoglClipStack *stack, + CoglPrimitive *primitive, + float bounds_x1, + float bounds_y1, + float bounds_x2, + float bounds_y2, + CoglMatrixEntry *modelview_entry, + CoglMatrixEntry *projection_entry, + const float *viewport); + +CoglClipStack * +_cogl_clip_stack_pop (CoglClipStack *stack); + +void +_cogl_clip_stack_get_bounds (CoglClipStack *stack, + int *scissor_x0, + int *scissor_y0, + int *scissor_x1, + int *scissor_y1); + +void +_cogl_clip_stack_flush (CoglClipStack *stack, + CoglFramebuffer *framebuffer); + +CoglClipStack * +_cogl_clip_stack_ref (CoglClipStack *stack); + +void +_cogl_clip_stack_unref (CoglClipStack *stack); + +#endif /* __COGL_CLIP_STACK_H */ diff --git a/cogl/cogl-closure-list-private.h b/cogl/cogl-closure-list-private.h new file mode 100644 index 0000000..5446cb2 --- /dev/null +++ b/cogl/cogl-closure-list-private.h @@ -0,0 +1,118 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _COGL_CLOSURE_LIST_PRIVATE_H_ +#define _COGL_CLOSURE_LIST_PRIVATE_H_ + +#include "cogl-object.h" +#include "cogl-list.h" + +/* + * This implements a list of callbacks that can be used a bit like + * signals in GObject, but that don't have any marshalling overhead. + * + * The idea is that any Cogl code that wants to provide a callback + * point will provide api to add a callback for that particular point. + * The function can take a function pointer with the correct + * signature. Internally the Cogl code can use _cogl_closure_list_add, + * _cogl_closure_disconnect and _cogl_closure_list_disconnect_all + * + * In the future we could consider exposing the CoglClosure type which + * would allow applications to use _cogl_closure_disconnect() directly + * so we don't need to expose new disconnect apis for each callback + * point. + */ + +typedef struct _CoglClosure +{ + CoglList link; + + void *function; + void *user_data; + CoglUserDataDestroyCallback destroy_cb; +} CoglClosure; + +/* + * _cogl_closure_disconnect: + * @closure: A closure connected to a Cogl closure list + * + * Removes the given closure from the callback list it is connected to + * and destroys it. If the closure was created with a destroy function + * then it will be invoked. */ +void +_cogl_closure_disconnect (CoglClosure *closure); + +void +_cogl_closure_list_disconnect_all (CoglList *list); + +CoglClosure * +_cogl_closure_list_add (CoglList *list, + void *function, + void *user_data, + CoglUserDataDestroyCallback destroy_cb); + +/* + * _cogl_closure_list_invoke: + * @list: A pointer to a CoglList containing CoglClosures + * @cb_type: The name of a typedef for the closure callback function signature + * @...: The the arguments to pass to the callback + * + * A convenience macro to invoke a closure list with a variable number + * of arguments that will be passed to the closure callback functions. + * + * Note that the arguments will be evaluated multiple times so it is + * not safe to pass expressions that have side-effects. + * + * Note also that this function ignores the return value from the + * callbacks. If you want to handle the return value you should + * manually iterate the list and invoke the callbacks yourself. + */ +#define _cogl_closure_list_invoke(list, cb_type, ...) \ + G_STMT_START { \ + CoglClosure *_c, *_tmp; \ + \ + _cogl_list_for_each_safe (_c, _tmp, (list), link) \ + { \ + cb_type _cb = _c->function; \ + _cb (__VA_ARGS__, _c->user_data); \ + } \ + } G_STMT_END + +#define _cogl_closure_list_invoke_no_args(list) \ + G_STMT_START { \ + CoglClosure *_c, *_tmp; \ + \ + _cogl_list_for_each_safe (_c, _tmp, (list), link) \ + { \ + void (*_cb)(void *) = _c->function; \ + _cb (_c->user_data); \ + } \ + } G_STMT_END + +#endif /* _COGL_CLOSURE_LIST_PRIVATE_H_ */ diff --git a/cogl/cogl-closure-list.c b/cogl/cogl-closure-list.c new file mode 100644 index 0000000..eb8cadd --- /dev/null +++ b/cogl/cogl-closure-list.c @@ -0,0 +1,71 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#include + +#include + +#include "cogl-closure-list-private.h" + +void +_cogl_closure_disconnect (CoglClosure *closure) +{ + _cogl_list_remove (&closure->link); + + if (closure->destroy_cb) + closure->destroy_cb (closure->user_data); + + g_slice_free (CoglClosure, closure); +} + +void +_cogl_closure_list_disconnect_all (CoglList *list) +{ + CoglClosure *closure, *next; + + _cogl_list_for_each_safe (closure, next, list, link) + _cogl_closure_disconnect (closure); +} + +CoglClosure * +_cogl_closure_list_add (CoglList *list, + void *function, + void *user_data, + CoglUserDataDestroyCallback destroy_cb) +{ + CoglClosure *closure = g_slice_new (CoglClosure); + + closure->function = function; + closure->user_data = user_data; + closure->destroy_cb = destroy_cb; + + _cogl_list_insert (list, &closure->link); + + return closure; +} diff --git a/cogl/cogl-color-private.h b/cogl/cogl-color-private.h new file mode 100644 index 0000000..bb1a58e --- /dev/null +++ b/cogl/cogl-color-private.h @@ -0,0 +1,51 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_COLOR_PRIVATE_PRIVATE_H +#define __COGL_COLOR_PRIVATE_PRIVATE_H + +#include "cogl-color.h" + +#include + +/* cogl-pipeline.c wants to be able to hash CoglColor data so it needs + * the exact data size to be able to avoid reading the padding bytes. + */ +#define _COGL_COLOR_DATA_SIZE 4 + +void +_cogl_color_get_rgba_4ubv (const CoglColor *color, + uint8_t *dest); + +#endif /* __COGL_COLOR_PRIVATE_PRIVATE_H */ + diff --git a/cogl/cogl-color.c b/cogl/cogl-color.c new file mode 100644 index 0000000..02e501d --- /dev/null +++ b/cogl/cogl-color.c @@ -0,0 +1,449 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-util.h" +#include "cogl-color.h" +#include "cogl-fixed.h" +#include "cogl-color-private.h" +#include "cogl-gtype-private.h" + +COGL_GTYPE_DEFINE_BOXED (Color, color, cogl_color_copy, cogl_color_free); + +CoglColor * +cogl_color_new (void) +{ + return g_slice_new (CoglColor); +} + +CoglColor * +cogl_color_copy (const CoglColor *color) +{ + if (G_LIKELY (color)) + return g_slice_dup (CoglColor, color); + + return NULL; +} + +void +cogl_color_free (CoglColor *color) +{ + if (G_LIKELY (color)) + g_slice_free (CoglColor, color); +} + +void +cogl_color_init_from_4ub (CoglColor *color, + uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha) +{ + _COGL_RETURN_IF_FAIL (color != NULL); + + color->red = red; + color->green = green; + color->blue = blue; + color->alpha = alpha; +} + +/* XXX: deprecated, use cogl_color_init_from_4ub */ +void +cogl_color_set_from_4ub (CoglColor *dest, + uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha) +{ + cogl_color_init_from_4ub (dest, red, green, blue, alpha); +} + +void +cogl_color_init_from_4f (CoglColor *color, + float red, + float green, + float blue, + float alpha) +{ + _COGL_RETURN_IF_FAIL (color != NULL); + + color->red = (red * 255); + color->green = (green * 255); + color->blue = (blue * 255); + color->alpha = (alpha * 255); +} + +/* XXX: deprecated, use cogl_color_init_from_4f */ +void +cogl_color_set_from_4f (CoglColor *color, + float red, + float green, + float blue, + float alpha) +{ + cogl_color_init_from_4f (color, red, green, blue, alpha); +} + +void +cogl_color_init_from_4fv (CoglColor *color, + const float *color_array) +{ + _COGL_RETURN_IF_FAIL (color != NULL); + + color->red = (color_array[0] * 255); + color->green = (color_array[1] * 255); + color->blue = (color_array[2] * 255); + color->alpha = (color_array[3] * 255); +} + +unsigned char +cogl_color_get_red_byte (const CoglColor *color) +{ + return color->red; +} + +float +cogl_color_get_red_float (const CoglColor *color) +{ + return (float) color->red / 255.0; +} + +float +cogl_color_get_red (const CoglColor *color) +{ + return ((float) color->red / 255.0); +} + +unsigned char +cogl_color_get_green_byte (const CoglColor *color) +{ + return color->green; +} + +float +cogl_color_get_green_float (const CoglColor *color) +{ + return (float) color->green / 255.0; +} + +float +cogl_color_get_green (const CoglColor *color) +{ + return ((float) color->green / 255.0); +} + +unsigned char +cogl_color_get_blue_byte (const CoglColor *color) +{ + return color->blue; +} + +float +cogl_color_get_blue_float (const CoglColor *color) +{ + return (float) color->blue / 255.0; +} + +float +cogl_color_get_blue (const CoglColor *color) +{ + return ((float) color->blue / 255.0); +} + +unsigned char +cogl_color_get_alpha_byte (const CoglColor *color) +{ + return color->alpha; +} + +float +cogl_color_get_alpha_float (const CoglColor *color) +{ + return (float) color->alpha / 255.0; +} + +float +cogl_color_get_alpha (const CoglColor *color) +{ + return ((float) color->alpha / 255.0); +} + +void +cogl_color_set_red_byte (CoglColor *color, + unsigned char red) +{ + color->red = red; +} + +void +cogl_color_set_red_float (CoglColor *color, + float red) +{ + color->red = red * 255.0; +} + +void +cogl_color_set_red (CoglColor *color, + float red) +{ + color->red = red * 255.0; +} + +void +cogl_color_set_green_byte (CoglColor *color, + unsigned char green) +{ + color->green = green; +} + +void +cogl_color_set_green_float (CoglColor *color, + float green) +{ + color->green = green * 255.0; +} + +void +cogl_color_set_green (CoglColor *color, + float green) +{ + color->green = green * 255.0; +} + +void +cogl_color_set_blue_byte (CoglColor *color, + unsigned char blue) +{ + color->blue = blue; +} + +void +cogl_color_set_blue_float (CoglColor *color, + float blue) +{ + color->blue = blue * 255.0; +} + +void +cogl_color_set_blue (CoglColor *color, + float blue) +{ + color->blue = blue * 255.0; +} + +void +cogl_color_set_alpha_byte (CoglColor *color, + unsigned char alpha) +{ + color->alpha = alpha; +} + +void +cogl_color_set_alpha_float (CoglColor *color, + float alpha) +{ + color->alpha = alpha * 255.0; +} + +void +cogl_color_set_alpha (CoglColor *color, + float alpha) +{ + color->alpha = alpha * 255.0; +} + +void +cogl_color_premultiply (CoglColor *color) +{ + color->red = (color->red * color->alpha + 128) / 255; + color->green = (color->green * color->alpha + 128) / 255; + color->blue = (color->blue * color->alpha + 128) / 255; +} + +void +cogl_color_unpremultiply (CoglColor *color) +{ + if (color->alpha != 0) + { + color->red = (color->red * 255) / color->alpha; + color->green = (color->green * 255) / color->alpha; + color->blue = (color->blue * 255) / color->alpha; + } +} + +CoglBool +cogl_color_equal (const void *v1, const void *v2) +{ + const uint32_t *c1 = v1, *c2 = v2; + + _COGL_RETURN_VAL_IF_FAIL (v1 != NULL, FALSE); + _COGL_RETURN_VAL_IF_FAIL (v2 != NULL, FALSE); + + /* XXX: We don't compare the padding */ + return *c1 == *c2 ? TRUE : FALSE; +} + +void +_cogl_color_get_rgba_4ubv (const CoglColor *color, + uint8_t *dest) +{ + memcpy (dest, color, 4); +} + +void +cogl_color_to_hsl (const CoglColor *color, + float *hue, + float *saturation, + float *luminance) +{ + float red, green, blue; + float min, max, delta; + float h, l, s; + + red = color->red / 255.0; + green = color->green / 255.0; + blue = color->blue / 255.0; + + if (red > green) + { + if (red > blue) + max = red; + else + max = blue; + + if (green < blue) + min = green; + else + min = blue; + } + else + { + if (green > blue) + max = green; + else + max = blue; + + if (red < blue) + min = red; + else + min = blue; + } + + l = (max + min) / 2; + s = 0; + h = 0; + + if (max != min) + { + if (l <= 0.5) + s = (max - min) / (max + min); + else + s = (max - min) / (2.0 - max - min); + + delta = max - min; + + if (red == max) + h = (green - blue) / delta; + else if (green == max) + h = 2.0 + (blue - red) / delta; + else if (blue == max) + h = 4.0 + (red - green) / delta; + + h *= 60; + + if (h < 0) + h += 360.0; + } + + if (hue) + *hue = h; + + if (luminance) + *luminance = l; + + if (saturation) + *saturation = s; +} + +void +cogl_color_init_from_hsl (CoglColor *color, + float hue, + float saturation, + float luminance) +{ + float tmp1, tmp2; + float tmp3[3]; + float clr[3]; + int i; + + hue /= 360.0; + + if (saturation == 0) + { + cogl_color_init_from_4f (color, luminance, luminance, luminance, 1.0f); + return; + } + + if (luminance <= 0.5) + tmp2 = luminance * (1.0 + saturation); + else + tmp2 = luminance + saturation - (luminance * saturation); + + tmp1 = 2.0 * luminance - tmp2; + + tmp3[0] = hue + 1.0 / 3.0; + tmp3[1] = hue; + tmp3[2] = hue - 1.0 / 3.0; + + for (i = 0; i < 3; i++) + { + if (tmp3[i] < 0) + tmp3[i] += 1.0; + + if (tmp3[i] > 1) + tmp3[i] -= 1.0; + + if (6.0 * tmp3[i] < 1.0) + clr[i] = tmp1 + (tmp2 - tmp1) * tmp3[i] * 6.0; + else if (2.0 * tmp3[i] < 1.0) + clr[i] = tmp2; + else if (3.0 * tmp3[i] < 2.0) + clr[i] = (tmp1 + (tmp2 - tmp1) * ((2.0 / 3.0) - tmp3[i]) * 6.0); + else + clr[i] = tmp1; + } + + cogl_color_init_from_4f (color, clr[0], clr[1], clr[2], 1.0f); +} diff --git a/cogl/cogl-color.h b/cogl/cogl-color.h new file mode 100644 index 0000000..bdb0bfa --- /dev/null +++ b/cogl/cogl-color.h @@ -0,0 +1,604 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_COLOR_H__ +#define __COGL_COLOR_H__ + +/** + * SECTION:cogl-color + * @short_description: A generic color definition + * + * #CoglColor is a simple structure holding the definition of a color such + * that it can be efficiently used by GL + * + * Since: 1.0 + */ + +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_color_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_color_get_gtype (void); +#endif + +/** + * cogl_color_new: + * + * Creates a new (empty) color + * + * Return value: a newly-allocated #CoglColor. Use cogl_color_free() + * to free the allocated resources + * + * Since: 1.0 + */ +CoglColor * +cogl_color_new (void); + +/** + * cogl_color_copy: + * @color: the color to copy + * + * Creates a copy of @color + * + * Return value: a newly-allocated #CoglColor. Use cogl_color_free() + * to free the allocate resources + * + * Since: 1.0 + */ +CoglColor * +cogl_color_copy (const CoglColor *color); + +/** + * cogl_color_free: + * @color: the color to free + * + * Frees the resources allocated by cogl_color_new() and cogl_color_copy() + * + * Since: 1.0 + */ +void +cogl_color_free (CoglColor *color); + +/** + * cogl_color_init_from_4ub: + * @color: A pointer to a #CoglColor to initialize + * @red: value of the red channel, between 0 and 255 + * @green: value of the green channel, between 0 and 255 + * @blue: value of the blue channel, between 0 and 255 + * @alpha: value of the alpha channel, between 0 and 255 + * + * Sets the values of the passed channels into a #CoglColor. + * + * Since: 1.4 + */ +void +cogl_color_init_from_4ub (CoglColor *color, + uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha); + +/** + * cogl_color_set_from_4ub: + * @color: A pointer to a #CoglColor to initialize + * @red: value of the red channel, between 0 and 255 + * @green: value of the green channel, between 0 and 255 + * @blue: value of the blue channel, between 0 and 255 + * @alpha: value of the alpha channel, between 0 and 255 + * + * Sets the values of the passed channels into a #CoglColor. + * + * Since: 1.0 + * Deprecated: 1.4: Use cogl_color_init_from_4ub instead. + */ +COGL_DEPRECATED_IN_1_4_FOR (cogl_color_init_from_4ub) +void +cogl_color_set_from_4ub (CoglColor *color, + uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha); + +/** + * cogl_color_init_from_4f: + * @color: A pointer to a #CoglColor to initialize + * @red: value of the red channel, between 0 and 1.0 + * @green: value of the green channel, between 0 and 1.0 + * @blue: value of the blue channel, between 0 and 1.0 + * @alpha: value of the alpha channel, between 0 and 1.0 + * + * Sets the values of the passed channels into a #CoglColor + * + * Since: 1.4 + */ +void +cogl_color_init_from_4f (CoglColor *color, + float red, + float green, + float blue, + float alpha); + +/** + * cogl_color_set_from_4f: + * @color: A pointer to a #CoglColor to initialize + * @red: value of the red channel, between 0 and %1.0 + * @green: value of the green channel, between 0 and %1.0 + * @blue: value of the blue channel, between 0 and %1.0 + * @alpha: value of the alpha channel, between 0 and %1.0 + * + * Sets the values of the passed channels into a #CoglColor + * + * Since: 1.0 + * Deprecated: 1.4: Use cogl_color_init_from_4f instead. + */ +COGL_DEPRECATED_IN_1_4_FOR (cogl_color_init_from_4f) +void +cogl_color_set_from_4f (CoglColor *color, + float red, + float green, + float blue, + float alpha); + +/** + * cogl_color_init_from_4fv: + * @color: A pointer to a #CoglColor to initialize + * @color_array: a pointer to an array of 4 float color components + * + * Sets the values of the passed channels into a #CoglColor + * + * Since: 1.4 + */ +void +cogl_color_init_from_4fv (CoglColor *color, + const float *color_array); + +/** + * cogl_color_get_red_byte: + * @color: a #CoglColor + * + * Retrieves the red channel of @color as a byte value + * between 0 and 255 + * + * Return value: the red channel of the passed color + * + * Since: 1.0 + */ +unsigned char +cogl_color_get_red_byte (const CoglColor *color); + +/** + * cogl_color_get_green_byte: + * @color: a #CoglColor + * + * Retrieves the green channel of @color as a byte value + * between 0 and 255 + * + * Return value: the green channel of the passed color + * + * Since: 1.0 + */ +unsigned char +cogl_color_get_green_byte (const CoglColor *color); + +/** + * cogl_color_get_blue_byte: + * @color: a #CoglColor + * + * Retrieves the blue channel of @color as a byte value + * between 0 and 255 + * + * Return value: the blue channel of the passed color + * + * Since: 1.0 + */ +unsigned char +cogl_color_get_blue_byte (const CoglColor *color); + +/** + * cogl_color_get_alpha_byte: + * @color: a #CoglColor + * + * Retrieves the alpha channel of @color as a byte value + * between 0 and 255 + * + * Return value: the alpha channel of the passed color + * + * Since: 1.0 + */ +unsigned char +cogl_color_get_alpha_byte (const CoglColor *color); + +/** + * cogl_color_get_red_float: + * @color: a #CoglColor + * + * Retrieves the red channel of @color as a floating point + * value between 0.0 and 1.0 + * + * Return value: the red channel of the passed color + * + * Since: 1.0 + */ +float +cogl_color_get_red_float (const CoglColor *color); + +/** + * cogl_color_get_green_float: + * @color: a #CoglColor + * + * Retrieves the green channel of @color as a floating point + * value between 0.0 and 1.0 + * + * Return value: the green channel of the passed color + * + * Since: 1.0 + */ +float +cogl_color_get_green_float (const CoglColor *color); + +/** + * cogl_color_get_blue_float: + * @color: a #CoglColor + * + * Retrieves the blue channel of @color as a floating point + * value between 0.0 and 1.0 + * + * Return value: the blue channel of the passed color + * + * Since: 1.0 + */ +float +cogl_color_get_blue_float (const CoglColor *color); + +/** + * cogl_color_get_alpha_float: + * @color: a #CoglColor + * + * Retrieves the alpha channel of @color as a floating point + * value between 0.0 and 1.0 + * + * Return value: the alpha channel of the passed color + * + * Since: 1.0 + */ +float +cogl_color_get_alpha_float (const CoglColor *color); + +/** + * cogl_color_get_red: + * @color: a #CoglColor + * + * Retrieves the red channel of @color as a fixed point + * value between 0 and 1.0. + * + * Return value: the red channel of the passed color + * + * Since: 1.0 + */ +float +cogl_color_get_red (const CoglColor *color); + +/** + * cogl_color_get_green: + * @color: a #CoglColor + * + * Retrieves the green channel of @color as a fixed point + * value between 0 and 1.0. + * + * Return value: the green channel of the passed color + * + * Since: 1.0 + */ +float +cogl_color_get_green (const CoglColor *color); + +/** + * cogl_color_get_blue: + * @color: a #CoglColor + * + * Retrieves the blue channel of @color as a fixed point + * value between 0 and 1.0. + * + * Return value: the blue channel of the passed color + * + * Since: 1.0 + */ +float +cogl_color_get_blue (const CoglColor *color); + +/** + * cogl_color_get_alpha: + * @color: a #CoglColor + * + * Retrieves the alpha channel of @color as a fixed point + * value between 0 and 1.0. + * + * Return value: the alpha channel of the passed color + * + * Since: 1.0 + */ +float +cogl_color_get_alpha (const CoglColor *color); + +/** + * cogl_color_set_red_byte: + * @color: a #CoglColor + * @red: a byte value between 0 and 255 + * + * Sets the red channel of @color to @red. + * + * Since: 1.4 + */ +void +cogl_color_set_red_byte (CoglColor *color, + unsigned char red); + +/** + * cogl_color_set_green_byte: + * @color: a #CoglColor + * @green: a byte value between 0 and 255 + * + * Sets the green channel of @color to @green. + * + * Since: 1.4 + */ +void +cogl_color_set_green_byte (CoglColor *color, + unsigned char green); + +/** + * cogl_color_set_blue_byte: + * @color: a #CoglColor + * @blue: a byte value between 0 and 255 + * + * Sets the blue channel of @color to @blue. + * + * Since: 1.4 + */ +void +cogl_color_set_blue_byte (CoglColor *color, + unsigned char blue); + +/** + * cogl_color_set_alpha_byte: + * @color: a #CoglColor + * @alpha: a byte value between 0 and 255 + * + * Sets the alpha channel of @color to @alpha. + * + * Since: 1.4 + */ +void +cogl_color_set_alpha_byte (CoglColor *color, + unsigned char alpha); + +/** + * cogl_color_set_red_float: + * @color: a #CoglColor + * @red: a float value between 0.0f and 1.0f + * + * Sets the red channel of @color to @red. + * + * since: 1.4 + */ +void +cogl_color_set_red_float (CoglColor *color, + float red); + +/** + * cogl_color_set_green_float: + * @color: a #CoglColor + * @green: a float value between 0.0f and 1.0f + * + * Sets the green channel of @color to @green. + * + * since: 1.4 + */ +void +cogl_color_set_green_float (CoglColor *color, + float green); + +/** + * cogl_color_set_blue_float: + * @color: a #CoglColor + * @blue: a float value between 0.0f and 1.0f + * + * Sets the blue channel of @color to @blue. + * + * since: 1.4 + */ +void +cogl_color_set_blue_float (CoglColor *color, + float blue); + +/** + * cogl_color_set_alpha_float: + * @color: a #CoglColor + * @alpha: a float value between 0.0f and 1.0f + * + * Sets the alpha channel of @color to @alpha. + * + * since: 1.4 + */ +void +cogl_color_set_alpha_float (CoglColor *color, + float alpha); + +/** + * cogl_color_set_red: + * @color: a #CoglColor + * @red: a float value between 0.0f and 1.0f + * + * Sets the red channel of @color to @red. + * + * Since: 1.4 + */ +void +cogl_color_set_red (CoglColor *color, + float red); + +/** + * cogl_color_set_green: + * @color: a #CoglColor + * @green: a float value between 0.0f and 1.0f + * + * Sets the green channel of @color to @green. + * + * Since: 1.4 + */ +void +cogl_color_set_green (CoglColor *color, + float green); + +/** + * cogl_color_set_blue: + * @color: a #CoglColor + * @blue: a float value between 0.0f and 1.0f + * + * Sets the blue channel of @color to @blue. + * + * Since: 1.4 + */ +void +cogl_color_set_blue (CoglColor *color, + float blue); + +/** + * cogl_color_set_alpha: + * @color: a #CoglColor + * @alpha: a float value between 0.0f and 1.0f + * + * Sets the alpha channel of @color to @alpha. + * + * Since: 1.4 + */ +void +cogl_color_set_alpha (CoglColor *color, + float alpha); + +/** + * cogl_color_premultiply: + * @color: the color to premultiply + * + * Converts a non-premultiplied color to a pre-multiplied color. For + * example, semi-transparent red is (1.0, 0, 0, 0.5) when non-premultiplied + * and (0.5, 0, 0, 0.5) when premultiplied. + * + * Since: 1.0 + */ +void +cogl_color_premultiply (CoglColor *color); + +/** + * cogl_color_unpremultiply: + * @color: the color to unpremultiply + * + * Converts a pre-multiplied color to a non-premultiplied color. For + * example, semi-transparent red is (0.5, 0, 0, 0.5) when premultiplied + * and (1.0, 0, 0, 0.5) when non-premultiplied. + * + * Since: 1.4 + */ +void +cogl_color_unpremultiply (CoglColor *color); + +/** + * cogl_color_equal: + * @v1: a #CoglColor + * @v2: a #CoglColor + * + * Compares two #CoglColors and checks if they are the same. + * + * This function can be passed to g_hash_table_new() as the @key_equal_func + * parameter, when using #CoglColors as keys in a #GHashTable. + * + * Return value: %TRUE if the two colors are the same. + * + * Since: 1.0 + */ +CoglBool +cogl_color_equal (const void *v1, const void *v2); + +/** + * cogl_color_to_hsl: + * @color: a #CoglColor + * @hue: (out): return location for the hue value or %NULL + * @saturation: (out): return location for the saturation value or %NULL + * @luminance: (out): return location for the luminance value or %NULL + * + * Converts @color to the HLS format. + * + * The @hue value is in the 0 .. 360 range. The @luminance and + * @saturation values are in the 0 .. 1 range. + * + * Since: 1.16 + */ +void +cogl_color_to_hsl (const CoglColor *color, + float *hue, + float *saturation, + float *luminance); + +/** + * cogl_color_init_from_hsl: + * @color: (out): return location for a #CoglColor + * @hue: hue value, in the 0 .. 360 range + * @saturation: saturation value, in the 0 .. 1 range + * @luminance: luminance value, in the 0 .. 1 range + * + * Converts a color expressed in HLS (hue, luminance and saturation) + * values into a #CoglColor. + * + * Since: 1.16 + */ +void +cogl_color_init_from_hsl (CoglColor *color, + float hue, + float saturation, + float luminance); + +COGL_END_DECLS + +#endif /* __COGL_COLOR_H__ */ diff --git a/cogl/cogl-config-private.h b/cogl/cogl-config-private.h new file mode 100644 index 0000000..93ff943 --- /dev/null +++ b/cogl/cogl-config-private.h @@ -0,0 +1,45 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_CONFIG_PRIVATE_H +#define __COGL_CONFIG_PRIVATE_H + +void +_cogl_config_read (void); + +extern char *_cogl_config_driver; +extern char *_cogl_config_renderer; +extern char *_cogl_config_disable_gl_extensions; +extern char *_cogl_config_override_gl_version; + +#endif /* __COGL_CONFIG_PRIVATE_H */ diff --git a/cogl/cogl-config.c b/cogl/cogl-config.c new file mode 100644 index 0000000..6c960d4 --- /dev/null +++ b/cogl/cogl-config.c @@ -0,0 +1,147 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-debug.h" +#include "cogl-config-private.h" + +#include + +char *_cogl_config_driver; +char *_cogl_config_renderer; +char *_cogl_config_disable_gl_extensions; +char *_cogl_config_override_gl_version; + +#ifndef COGL_HAS_GLIB_SUPPORT + +void +_cogl_config_read (void) +{ + +} + +#else /* COGL_HAS_GLIB_SUPPORT */ + +/* Array of config options that just set a global string */ +static const struct +{ + const char *conf_name; + char **variable; +} cogl_config_string_options[] = + { + { "COGL_DRIVER", &_cogl_config_driver }, + { "COGL_RENDERER", &_cogl_config_renderer }, + { "COGL_DISABLE_GL_EXTENSIONS", &_cogl_config_disable_gl_extensions }, + { "COGL_OVERRIDE_GL_VERSION", &_cogl_config_override_gl_version } + }; + +static void +_cogl_config_process (GKeyFile *key_file) +{ + char *value; + int i; + + value = g_key_file_get_string (key_file, "global", "COGL_DEBUG", NULL); + if (value) + { + _cogl_parse_debug_string (value, + TRUE /* enable the flags */, + TRUE /* ignore help option */); + g_free (value); + } + + value = g_key_file_get_string (key_file, "global", "COGL_NO_DEBUG", NULL); + if (value) + { + _cogl_parse_debug_string (value, + FALSE /* disable the flags */, + TRUE /* ignore help option */); + g_free (value); + } + + for (i = 0; i < G_N_ELEMENTS (cogl_config_string_options); i++) + { + const char *conf_name = cogl_config_string_options[i].conf_name; + char **variable = cogl_config_string_options[i].variable; + + value = g_key_file_get_string (key_file, "global", conf_name, NULL); + if (value) + { + g_free (*variable); + *variable = value; + } + } +} + +void +_cogl_config_read (void) +{ + GKeyFile *key_file = g_key_file_new (); + const char * const *system_dirs = g_get_system_config_dirs (); + char *filename; + CoglBool status = FALSE; + int i; + + for (i = 0; system_dirs[i]; i++) + { + filename = g_build_filename (system_dirs[i], "cogl", "cogl.conf", NULL); + status = g_key_file_load_from_file (key_file, + filename, + 0, + NULL); + g_free (filename); + if (status) + { + _cogl_config_process (key_file); + g_key_file_free (key_file); + key_file = g_key_file_new (); + break; + } + } + + filename = g_build_filename (g_get_user_config_dir (), "cogl", "cogl.conf", NULL); + status = g_key_file_load_from_file (key_file, + filename, + 0, + NULL); + g_free (filename); + + if (status) + _cogl_config_process (key_file); + + g_key_file_free (key_file); +} + +#endif /* COGL_HAS_GLIB_SUPPORT */ diff --git a/cogl/cogl-context-private.h b/cogl/cogl-context-private.h new file mode 100644 index 0000000..1000ee5 --- /dev/null +++ b/cogl/cogl-context-private.h @@ -0,0 +1,406 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_CONTEXT_PRIVATE_H +#define __COGL_CONTEXT_PRIVATE_H + +#include "cogl-context.h" +#include "cogl-winsys-private.h" +#include "cogl-flags.h" + +#ifdef COGL_HAS_XLIB_SUPPORT +#include "cogl-xlib-private.h" +#endif + +#include "cogl-display-private.h" +#include "cogl-primitives.h" +#include "cogl-clip-stack.h" +#include "cogl-matrix-stack.h" +#include "cogl-pipeline-private.h" +#include "cogl-buffer-private.h" +#include "cogl-bitmask.h" +#include "cogl-atlas.h" +#include "cogl-driver.h" +#include "cogl-texture-driver.h" +#include "cogl-pipeline-cache.h" +#include "cogl-texture-2d.h" +#include "cogl-texture-3d.h" +#include "cogl-texture-rectangle.h" +#include "cogl-sampler-cache-private.h" +#include "cogl-gpu-info-private.h" +#include "cogl-gl-header.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-fence-private.h" +#include "cogl-poll-private.h" +#include "cogl-path/cogl-path-types.h" +#include "cogl-private.h" + +typedef struct +{ + GLfloat v[3]; + GLfloat t[2]; + GLubyte c[4]; +} CoglTextureGLVertex; + +struct _CoglContext +{ + CoglObject _parent; + + CoglDisplay *display; + + CoglDriver driver; + + /* Information about the GPU and driver which we can use to + determine certain workarounds */ + CoglGpuInfo gpu; + + /* vtables for the driver functions */ + const CoglDriverVtable *driver_vtable; + const CoglTextureDriver *texture_driver; + + int glsl_major; + int glsl_minor; + + /* This is the GLSL version that we will claim that snippets are + * written against using the #version pragma. This will be the + * largest version that is less than or equal to the version + * provided by the driver without massively altering the syntax. Eg, + * we wouldn't use version 1.3 even if it is available because that + * removes the ‘attribute’ and ‘varying’ keywords. */ + int glsl_version_to_use; + + /* Features cache */ + unsigned long features[COGL_FLAGS_N_LONGS_FOR_SIZE (_COGL_N_FEATURE_IDS)]; + CoglFeatureFlags feature_flags; /* legacy/deprecated feature flags */ + unsigned long private_features + [COGL_FLAGS_N_LONGS_FOR_SIZE (COGL_N_PRIVATE_FEATURES)]; + + CoglBool needs_viewport_scissor_workaround; + CoglFramebuffer *viewport_scissor_workaround_framebuffer; + + CoglPipeline *default_pipeline; + CoglPipelineLayer *default_layer_0; + CoglPipelineLayer *default_layer_n; + CoglPipelineLayer *dummy_layer_dependant; + + GHashTable *attribute_name_states_hash; + GArray *attribute_name_index_map; + int n_attribute_names; + + CoglBitmask enabled_builtin_attributes; + CoglBitmask enabled_texcoord_attributes; + CoglBitmask enabled_custom_attributes; + + /* These are temporary bitmasks that are used when disabling + * builtin,texcoord and custom attribute arrays. They are here just + * to avoid allocating new ones each time */ + CoglBitmask enable_builtin_attributes_tmp; + CoglBitmask enable_texcoord_attributes_tmp; + CoglBitmask enable_custom_attributes_tmp; + CoglBitmask changed_bits_tmp; + + CoglBool legacy_backface_culling_enabled; + + /* A few handy matrix constants */ + CoglMatrix identity_matrix; + CoglMatrix y_flip_matrix; + + /* Value that was last used when calling glMatrixMode to avoid + calling it multiple times */ + CoglMatrixMode flushed_matrix_mode; + + /* The matrix stack entries that should be flushed during the next + * pipeline state flush */ + CoglMatrixEntry *current_projection_entry; + CoglMatrixEntry *current_modelview_entry; + + CoglMatrixEntry identity_entry; + + /* A cache of the last (immutable) matrix stack entries that were + * flushed to the GL matrix builtins */ + CoglMatrixEntryCache builtin_flushed_projection; + CoglMatrixEntryCache builtin_flushed_modelview; + + GArray *texture_units; + int active_texture_unit; + + CoglPipelineFogState legacy_fog_state; + + /* Pipelines */ + CoglPipeline *opaque_color_pipeline; /* used for set_source_color */ + CoglPipeline *blended_color_pipeline; /* used for set_source_color */ + CoglPipeline *texture_pipeline; /* used for set_source_texture */ + GString *codegen_header_buffer; + GString *codegen_source_buffer; + GString *codegen_boilerplate_buffer; + GList *source_stack; + + int legacy_state_set; + + CoglPipelineCache *pipeline_cache; + + /* Textures */ + CoglTexture2D *default_gl_texture_2d_tex; + CoglTexture3D *default_gl_texture_3d_tex; + CoglTextureRectangle *default_gl_texture_rect_tex; + + /* Central list of all framebuffers so all journals can be flushed + * at any time. */ + GList *framebuffers; + + /* Global journal buffers */ + GArray *journal_flush_attributes_array; + GArray *journal_clip_bounds; + + GArray *polygon_vertices; + + /* Some simple caching, to minimize state changes... */ + CoglPipeline *current_pipeline; + unsigned long current_pipeline_changes_since_flush; + CoglBool current_pipeline_with_color_attrib; + CoglBool current_pipeline_unknown_color_alpha; + unsigned long current_pipeline_age; + + CoglBool gl_blend_enable_cache; + + CoglBool depth_test_enabled_cache; + CoglDepthTestFunction depth_test_function_cache; + CoglBool depth_writing_enabled_cache; + float depth_range_near_cache; + float depth_range_far_cache; + + CoglBool legacy_depth_test_enabled; + + CoglBuffer *current_buffer[COGL_BUFFER_BIND_TARGET_COUNT]; + + /* Framebuffers */ + GSList *framebuffer_stack; + CoglFramebuffer *window_buffer; + unsigned long current_draw_buffer_state_flushed; + unsigned long current_draw_buffer_changes; + CoglFramebuffer *current_draw_buffer; + CoglFramebuffer *current_read_buffer; + + gboolean have_last_offscreen_allocate_flags; + CoglOffscreenAllocateFlags last_offscreen_allocate_flags; + + GHashTable *swap_callback_closures; + int next_swap_callback_id; + + CoglList onscreen_events_queue; + CoglList onscreen_dirty_queue; + CoglClosure *onscreen_dispatch_idle; + + CoglGLES2Context *current_gles2_context; + GQueue gles2_context_stack; + + /* This becomes TRUE the first time the context is bound to an + * onscreen buffer. This is used by cogl-framebuffer-gl to determine + * when to initialise the glDrawBuffer state */ + CoglBool was_bound_to_onscreen; + + /* Primitives */ + CoglPath *current_path; + CoglPipeline *stencil_pipeline; + + /* Pre-generated VBOs containing indices to generate GL_TRIANGLES + out of a vertex array of quads */ + CoglIndices *quad_buffer_indices_byte; + unsigned int quad_buffer_indices_len; + CoglIndices *quad_buffer_indices; + + CoglIndices *rectangle_byte_indices; + CoglIndices *rectangle_short_indices; + int rectangle_short_indices_len; + + CoglBool in_begin_gl_block; + + CoglPipeline *texture_download_pipeline; + CoglPipeline *blit_texture_pipeline; + + GSList *atlases; + GHookList atlas_reorganize_callbacks; + + /* This debugging variable is used to pick a colour for visually + displaying the quad batches. It needs to be global so that it can + be reset by cogl_clear. It needs to be reset to increase the + chances of getting the same colour during an animation */ + uint8_t journal_rectangles_color; + + /* Cached values for GL_MAX_TEXTURE_[IMAGE_]UNITS to avoid calling + glGetInteger too often */ + GLint max_texture_units; + GLint max_texture_image_units; + GLint max_activateable_texture_units; + + /* Fragment processing programs */ + CoglHandle current_program; + + CoglPipelineProgramType current_fragment_program_type; + CoglPipelineProgramType current_vertex_program_type; + GLuint current_gl_program; + + CoglBool current_gl_dither_enabled; + CoglColorMask current_gl_color_mask; + + /* Clipping */ + /* TRUE if we have a valid clipping stack flushed. In that case + current_clip_stack will describe what the current state is. If + this is FALSE then the current clip stack is completely unknown + so it will need to be reflushed. In that case current_clip_stack + doesn't need to be a valid pointer. We can't just use NULL in + current_clip_stack to mark a dirty state because NULL is a valid + stack (meaning no clipping) */ + CoglBool current_clip_stack_valid; + /* The clip state that was flushed. This isn't intended to be used + as a stack to push and pop new entries. Instead the current stack + that the user wants is part of the framebuffer state. This is + just used to record the flush state so we can avoid flushing the + same state multiple times. When the clip state is flushed this + will hold a reference */ + CoglClipStack *current_clip_stack; + /* Whether the stencil buffer was used as part of the current clip + state. If TRUE then any further use of the stencil buffer (such + as for drawing paths) would need to be merged with the existing + stencil buffer */ + CoglBool current_clip_stack_uses_stencil; + + /* This is used as a temporary buffer to fill a CoglBuffer when + cogl_buffer_map fails and we only want to map to fill it with new + data */ + GByteArray *buffer_map_fallback_array; + CoglBool buffer_map_fallback_in_use; + size_t buffer_map_fallback_offset; + + CoglWinsysRectangleState rectangle_state; + + CoglSamplerCache *sampler_cache; + + /* FIXME: remove these when we remove the last xlib based clutter + * backend. they should be tracked as part of the renderer but e.g. + * the eglx backend doesn't yet have a corresponding Cogl winsys + * and so we wont have a renderer in that case. */ +#ifdef COGL_HAS_XLIB_SUPPORT + int damage_base; + /* List of callback functions that will be given every Xlib event */ + GSList *event_filters; + /* Current top of the XError trap state stack. The actual memory for + these is expected to be allocated on the stack by the caller */ + CoglXlibTrapState *trap_state; +#endif + + unsigned long winsys_features + [COGL_FLAGS_N_LONGS_FOR_SIZE (COGL_WINSYS_FEATURE_N_FEATURES)]; + void *winsys; + + /* Array of names of uniforms. These are used like quarks to give a + unique number to each uniform name except that we ensure that + they increase sequentially so that we can use the id as an index + into a bitfield representing the uniforms that a pipeline + overrides from its parent. */ + GPtrArray *uniform_names; + /* A hash table to quickly get an index given an existing name. The + name strings are owned by the uniform_names array. The values are + the uniform location cast to a pointer. */ + GHashTable *uniform_name_hash; + int n_uniform_names; + + CoglPollSource *fences_poll_source; + CoglList fences; + + /* This defines a list of function pointers that Cogl uses from + either GL or GLES. All functions are accessed indirectly through + these pointers rather than linking to them directly */ +#ifndef APIENTRY +#define APIENTRY +#endif + +#define COGL_EXT_BEGIN(name, \ + min_gl_major, min_gl_minor, \ + gles_availability, \ + extension_suffixes, extension_names) +#define COGL_EXT_FUNCTION(ret, name, args) \ + ret (APIENTRY * name) args; +#define COGL_EXT_END() + +#include "gl-prototypes/cogl-all-functions.h" + +#undef COGL_EXT_BEGIN +#undef COGL_EXT_FUNCTION +#undef COGL_EXT_END +}; + +CoglContext * +_cogl_context_get_default (); + +const CoglWinsysVtable * +_cogl_context_get_winsys (CoglContext *context); + +/* Query the GL extensions and lookup the corresponding function + * pointers. Theoretically the list of extensions can change for + * different GL contexts so it is the winsys backend's responsiblity + * to know when to re-query the GL extensions. The backend should also + * check whether the GL context is supported by Cogl. If not it should + * return FALSE and set @error */ +CoglBool +_cogl_context_update_features (CoglContext *context, + CoglError **error); + +/* Obtains the context and returns retval if NULL */ +#define _COGL_GET_CONTEXT(ctxvar, retval) \ +CoglContext *ctxvar = _cogl_context_get_default (); \ +if (ctxvar == NULL) return retval; + +#define NO_RETVAL + +void +_cogl_context_set_current_projection_entry (CoglContext *context, + CoglMatrixEntry *entry); + +void +_cogl_context_set_current_modelview_entry (CoglContext *context, + CoglMatrixEntry *entry); + +/* + * _cogl_context_get_gl_extensions: + * @context: A CoglContext + * + * Return value: a NULL-terminated array of strings representing the + * supported extensions by the current driver. This array is owned + * by the caller and should be freed with g_strfreev(). + */ +char ** +_cogl_context_get_gl_extensions (CoglContext *context); + +const char * +_cogl_context_get_gl_version (CoglContext *context); + +#endif /* __COGL_CONTEXT_PRIVATE_H */ diff --git a/cogl/cogl-context.c b/cogl/cogl-context.c new file mode 100644 index 0000000..a7eed29 --- /dev/null +++ b/cogl/cogl-context.c @@ -0,0 +1,786 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-object.h" +#include "cogl-private.h" +#include "cogl-winsys-private.h" +#include "winsys/cogl-winsys-stub-private.h" +#include "cogl-profile.h" +#include "cogl-util.h" +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-display-private.h" +#include "cogl-renderer-private.h" +#include "cogl-journal-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-texture-3d-private.h" +#include "cogl-texture-rectangle-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-attribute-private.h" +#include "cogl1-context.h" +#include "cogl-gpu-info-private.h" +#include "cogl-config-private.h" +#include "cogl-error-private.h" +#include "cogl-gtype-private.h" + +#include "cogl/deprecated/cogl-framebuffer-deprecated.h" + +#include +#include + +#ifdef HAVE_COGL_GL +#include "cogl-pipeline-fragend-arbfp-private.h" +#endif + +/* These aren't defined in the GLES headers */ +#ifndef GL_POINT_SPRITE +#define GL_POINT_SPRITE 0x8861 +#endif + +#ifndef GL_NUM_EXTENSIONS +#define GL_NUM_EXTENSIONS 0x821D +#endif + +static void _cogl_context_free (CoglContext *context); + +COGL_OBJECT_DEFINE (Context, context); +COGL_GTYPE_DEFINE_CLASS (Context, context); + +extern void +_cogl_create_context_driver (CoglContext *context); + +static CoglContext *_cogl_context = NULL; + +static void +_cogl_init_feature_overrides (CoglContext *ctx) +{ + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_VBOS))) + COGL_FLAGS_SET (ctx->private_features, COGL_PRIVATE_FEATURE_VBOS, FALSE); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_PBOS))) + COGL_FLAGS_SET (ctx->private_features, COGL_PRIVATE_FEATURE_PBOS, FALSE); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_ARBFP))) + { + ctx->feature_flags &= ~COGL_FEATURE_SHADERS_ARBFP; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_ARBFP, FALSE); + } + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_GLSL))) + { + ctx->feature_flags &= ~COGL_FEATURE_SHADERS_GLSL; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_GLSL, FALSE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE, + FALSE); + } + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_NPOT_TEXTURES))) + { + ctx->feature_flags &= ~(COGL_FEATURE_TEXTURE_NPOT | + COGL_FEATURE_TEXTURE_NPOT_BASIC | + COGL_FEATURE_TEXTURE_NPOT_MIPMAP | + COGL_FEATURE_TEXTURE_NPOT_REPEAT); + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_TEXTURE_NPOT, FALSE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, FALSE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP, FALSE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT, FALSE); + } +} + +const CoglWinsysVtable * +_cogl_context_get_winsys (CoglContext *context) +{ + return context->display->renderer->winsys_vtable; +} + +/* For reference: There was some deliberation over whether to have a + * constructor that could throw an exception but looking at standard + * practices with several high level OO languages including python, C++, + * C# Java and Ruby they all support exceptions in constructors and the + * general consensus appears to be that throwing an exception is neater + * than successfully constructing with an internal error status that + * would then have to be explicitly checked via some form of ::is_ok() + * method. + */ +CoglContext * +cogl_context_new (CoglDisplay *display, + CoglError **error) +{ + CoglContext *context; + uint8_t white_pixel[] = { 0xff, 0xff, 0xff, 0xff }; + CoglBitmap *white_pixel_bitmap; + const CoglWinsysVtable *winsys; + int i; + CoglError *internal_error = NULL; + + _cogl_init (); + +#ifdef COGL_ENABLE_PROFILE + /* We need to be absolutely sure that uprof has been initialized + * before calling _cogl_uprof_init. uprof_init (NULL, NULL) + * will be a NOP if it has been initialized but it will also + * mean subsequent parsing of the UProf GOptionGroup will have no + * affect. + * + * Sadly GOptionGroup based library initialization is extremely + * fragile by design because GOptionGroups have no notion of + * dependencies and so the order things are initialized isn't + * currently under tight control. + */ + uprof_init (NULL, NULL); + _cogl_uprof_init (); +#endif + + /* Allocate context memory */ + context = g_malloc0 (sizeof (CoglContext)); + + /* Convert the context into an object immediately in case any of the + code below wants to verify that the context pointer is a valid + object */ + _cogl_context_object_new (context); + + /* XXX: Gross hack! + * Currently everything in Cogl just assumes there is a default + * context which it can access via _COGL_GET_CONTEXT() including + * code used to construct a CoglContext. Until all of that code + * has been updated to take an explicit context argument we have + * to immediately make our pointer the default context. + */ + _cogl_context = context; + + /* Init default values */ + memset (context->features, 0, sizeof (context->features)); + context->feature_flags = 0; + memset (context->private_features, 0, sizeof (context->private_features)); + + context->rectangle_state = COGL_WINSYS_RECTANGLE_STATE_UNKNOWN; + + memset (context->winsys_features, 0, sizeof (context->winsys_features)); + + if (!display) + { + CoglRenderer *renderer = cogl_renderer_new (); + if (!cogl_renderer_connect (renderer, error)) + { + g_free (context); + return NULL; + } + + display = cogl_display_new (renderer, NULL); + cogl_object_unref(renderer); + } + else + cogl_object_ref (display); + + if (!cogl_display_setup (display, error)) + { + cogl_object_unref (display); + g_free (context); + return NULL; + } + + context->display = display; + + /* This is duplicated data, but it's much more convenient to have + the driver attached to the context and the value is accessed a + lot throughout Cogl */ + context->driver = display->renderer->driver; + + /* Again this is duplicated data, but it convenient to be able + * access these from the context. */ + context->driver_vtable = display->renderer->driver_vtable; + context->texture_driver = display->renderer->texture_driver; + + for (i = 0; i < G_N_ELEMENTS (context->private_features); i++) + context->private_features[i] |= display->renderer->private_features[i]; + + winsys = _cogl_context_get_winsys (context); + if (!winsys->context_init (context, error)) + { + cogl_object_unref (display); + g_free (context); + return NULL; + } + + context->attribute_name_states_hash = + g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); + context->attribute_name_index_map = NULL; + context->n_attribute_names = 0; + + /* The "cogl_color_in" attribute needs a deterministic name_index + * so we make sure it's the first attribute name we register */ + _cogl_attribute_register_attribute_name (context, "cogl_color_in"); + + + context->uniform_names = + g_ptr_array_new_with_free_func ((GDestroyNotify) g_free); + context->uniform_name_hash = g_hash_table_new (g_str_hash, g_str_equal); + context->n_uniform_names = 0; + + /* Initialise the driver specific state */ + _cogl_init_feature_overrides (context); + + /* XXX: ONGOING BUG: Intel viewport scissor + * + * Intel gen6 drivers don't currently correctly handle offset + * viewports, since primitives aren't clipped within the bounds of + * the viewport. To workaround this we push our own clip for the + * viewport that will use scissoring to ensure we clip as expected. + * + * TODO: file a bug upstream! + */ + if (context->gpu.driver_package == COGL_GPU_INFO_DRIVER_PACKAGE_MESA && + context->gpu.architecture == COGL_GPU_INFO_ARCHITECTURE_SANDYBRIDGE && + !getenv ("COGL_DISABLE_INTEL_VIEWPORT_SCISSORT_WORKAROUND")) + context->needs_viewport_scissor_workaround = TRUE; + else + context->needs_viewport_scissor_workaround = FALSE; + + context->sampler_cache = _cogl_sampler_cache_new (context); + + _cogl_pipeline_init_default_pipeline (); + _cogl_pipeline_init_default_layers (); + _cogl_pipeline_init_state_hash_functions (); + _cogl_pipeline_init_layer_state_hash_functions (); + + context->current_clip_stack_valid = FALSE; + context->current_clip_stack = NULL; + + context->legacy_backface_culling_enabled = FALSE; + + cogl_matrix_init_identity (&context->identity_matrix); + cogl_matrix_init_identity (&context->y_flip_matrix); + cogl_matrix_scale (&context->y_flip_matrix, 1, -1, 1); + + context->flushed_matrix_mode = COGL_MATRIX_MODELVIEW; + + context->texture_units = + g_array_new (FALSE, FALSE, sizeof (CoglTextureUnit)); + + if (_cogl_has_private_feature (context, COGL_PRIVATE_FEATURE_ANY_GL)) + { + /* See cogl-pipeline.c for more details about why we leave texture unit 1 + * active by default... */ + context->active_texture_unit = 1; + GE (context, glActiveTexture (GL_TEXTURE1)); + } + + context->legacy_fog_state.enabled = FALSE; + + context->opaque_color_pipeline = cogl_pipeline_new (context); + context->blended_color_pipeline = cogl_pipeline_new (context); + context->texture_pipeline = cogl_pipeline_new (context); + context->codegen_header_buffer = g_string_new (""); + context->codegen_source_buffer = g_string_new (""); + context->codegen_boilerplate_buffer = g_string_new (""); + context->source_stack = NULL; + + context->legacy_state_set = 0; + + context->default_gl_texture_2d_tex = NULL; + context->default_gl_texture_3d_tex = NULL; + context->default_gl_texture_rect_tex = NULL; + + context->framebuffers = NULL; + context->current_draw_buffer = NULL; + context->current_read_buffer = NULL; + context->current_draw_buffer_state_flushed = 0; + context->current_draw_buffer_changes = COGL_FRAMEBUFFER_STATE_ALL; + + context->swap_callback_closures = + g_hash_table_new (g_direct_hash, g_direct_equal); + + _cogl_list_init (&context->onscreen_events_queue); + _cogl_list_init (&context->onscreen_dirty_queue); + + g_queue_init (&context->gles2_context_stack); + + context->journal_flush_attributes_array = + g_array_new (TRUE, FALSE, sizeof (CoglAttribute *)); + context->journal_clip_bounds = NULL; + + context->polygon_vertices = g_array_new (FALSE, FALSE, sizeof (float)); + + context->current_pipeline = NULL; + context->current_pipeline_changes_since_flush = 0; + context->current_pipeline_with_color_attrib = FALSE; + + _cogl_bitmask_init (&context->enabled_builtin_attributes); + _cogl_bitmask_init (&context->enable_builtin_attributes_tmp); + _cogl_bitmask_init (&context->enabled_texcoord_attributes); + _cogl_bitmask_init (&context->enable_texcoord_attributes_tmp); + _cogl_bitmask_init (&context->enabled_custom_attributes); + _cogl_bitmask_init (&context->enable_custom_attributes_tmp); + _cogl_bitmask_init (&context->changed_bits_tmp); + + context->max_texture_units = -1; + context->max_activateable_texture_units = -1; + + context->current_fragment_program_type = COGL_PIPELINE_PROGRAM_TYPE_FIXED; + context->current_vertex_program_type = COGL_PIPELINE_PROGRAM_TYPE_FIXED; + context->current_gl_program = 0; + + context->current_gl_dither_enabled = TRUE; + context->current_gl_color_mask = COGL_COLOR_MASK_ALL; + + context->gl_blend_enable_cache = FALSE; + + context->depth_test_enabled_cache = FALSE; + context->depth_test_function_cache = COGL_DEPTH_TEST_FUNCTION_LESS; + context->depth_writing_enabled_cache = TRUE; + context->depth_range_near_cache = 0; + context->depth_range_far_cache = 1; + + context->legacy_depth_test_enabled = FALSE; + + context->pipeline_cache = _cogl_pipeline_cache_new (); + + for (i = 0; i < COGL_BUFFER_BIND_TARGET_COUNT; i++) + context->current_buffer[i] = NULL; + + context->window_buffer = NULL; + context->framebuffer_stack = _cogl_create_framebuffer_stack (); + + /* XXX: In this case the Clutter backend is still responsible for + * the OpenGL binding API and for creating onscreen framebuffers and + * so we have to add a dummy framebuffer to represent the backend + * owned window... */ + if (_cogl_context_get_winsys (context) == _cogl_winsys_stub_get_vtable ()) + { + CoglOnscreen *window = _cogl_onscreen_new (); + cogl_set_framebuffer (COGL_FRAMEBUFFER (window)); + cogl_object_unref (COGL_FRAMEBUFFER (window)); + } + + context->current_path = NULL; + context->stencil_pipeline = cogl_pipeline_new (context); + + context->in_begin_gl_block = FALSE; + + context->quad_buffer_indices_byte = NULL; + context->quad_buffer_indices = NULL; + context->quad_buffer_indices_len = 0; + + context->rectangle_byte_indices = NULL; + context->rectangle_short_indices = NULL; + context->rectangle_short_indices_len = 0; + + context->texture_download_pipeline = NULL; + context->blit_texture_pipeline = NULL; + +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES) + if (_cogl_has_private_feature (context, COGL_PRIVATE_FEATURE_ALPHA_TEST)) + /* The default for GL_ALPHA_TEST is to always pass which is equivalent to + * the test being disabled therefore we assume that for all drivers there + * will be no performance impact if we always leave the test enabled which + * makes things a bit simpler for us. Under GLES2 the alpha test is + * implemented in the fragment shader so there is no enable for it + */ + GE (context, glEnable (GL_ALPHA_TEST)); +#endif + +#if defined (HAVE_COGL_GL) + if ((context->driver == COGL_DRIVER_GL3)) + { + GLuint vertex_array; + + /* In a forward compatible context, GL 3 doesn't support rendering + * using the default vertex array object. Cogl doesn't use vertex + * array objects yet so for now we just create a dummy array + * object that we will use as our own default object. Eventually + * it could be good to attach the vertex array objects to + * CoglPrimitives */ + context->glGenVertexArrays (1, &vertex_array); + context->glBindVertexArray (vertex_array); + } +#endif + + context->current_modelview_entry = NULL; + context->current_projection_entry = NULL; + _cogl_matrix_entry_identity_init (&context->identity_entry); + _cogl_matrix_entry_cache_init (&context->builtin_flushed_projection); + _cogl_matrix_entry_cache_init (&context->builtin_flushed_modelview); + + /* Create default textures used for fall backs */ + context->default_gl_texture_2d_tex = + cogl_texture_2d_new_from_data (context, + 1, 1, + COGL_PIXEL_FORMAT_RGBA_8888_PRE, + 0, /* rowstride */ + white_pixel, + NULL); /* abort on error */ + + /* If 3D or rectangle textures aren't supported then these will + * return errors that we can simply ignore. */ + internal_error = NULL; + context->default_gl_texture_3d_tex = + cogl_texture_3d_new_from_data (context, + 1, 1, 1, /* width, height, depth */ + COGL_PIXEL_FORMAT_RGBA_8888_PRE, + 0, /* rowstride */ + 0, /* image stride */ + white_pixel, + &internal_error); + if (internal_error) + cogl_error_free (internal_error); + + /* TODO: add cogl_texture_rectangle_new_from_data() */ + white_pixel_bitmap = + cogl_bitmap_new_for_data (context, + 1, 1, /* width/height */ + COGL_PIXEL_FORMAT_RGBA_8888_PRE, + 4, /* rowstride */ + white_pixel); + + internal_error = NULL; + context->default_gl_texture_rect_tex = + cogl_texture_rectangle_new_from_bitmap (white_pixel_bitmap); + + /* XXX: we need to allocate the texture now because the white_pixel + * data is on the stack */ + cogl_texture_allocate (COGL_TEXTURE (context->default_gl_texture_rect_tex), + &internal_error); + if (internal_error) + cogl_error_free (internal_error); + + cogl_object_unref (white_pixel_bitmap); + + cogl_push_source (context->opaque_color_pipeline); + + context->atlases = NULL; + g_hook_list_init (&context->atlas_reorganize_callbacks, sizeof (GHook)); + + context->buffer_map_fallback_array = g_byte_array_new (); + context->buffer_map_fallback_in_use = FALSE; + + /* As far as I can tell, GL_POINT_SPRITE doesn't have any effect + unless GL_COORD_REPLACE is enabled for an individual layer. + Therefore it seems like it should be ok to just leave it enabled + all the time instead of having to have a set property on each + pipeline to track whether any layers have point sprite coords + enabled. We don't need to do this for GL3 or GLES2 because point + sprites are handled using a builtin varying in the shader. */ + if (_cogl_has_private_feature (context, COGL_PRIVATE_FEATURE_GL_FIXED) && + cogl_has_feature (context, COGL_FEATURE_ID_POINT_SPRITE)) + GE (context, glEnable (GL_POINT_SPRITE)); + + _cogl_list_init (&context->fences); + + return context; +} + +static void +_cogl_context_free (CoglContext *context) +{ + const CoglWinsysVtable *winsys = _cogl_context_get_winsys (context); + + winsys->context_deinit (context); + + _cogl_free_framebuffer_stack (context->framebuffer_stack); + + if (context->current_path) + cogl_handle_unref (context->current_path); + + if (context->default_gl_texture_2d_tex) + cogl_object_unref (context->default_gl_texture_2d_tex); + if (context->default_gl_texture_3d_tex) + cogl_object_unref (context->default_gl_texture_3d_tex); + if (context->default_gl_texture_rect_tex) + cogl_object_unref (context->default_gl_texture_rect_tex); + + if (context->opaque_color_pipeline) + cogl_object_unref (context->opaque_color_pipeline); + if (context->blended_color_pipeline) + cogl_object_unref (context->blended_color_pipeline); + if (context->texture_pipeline) + cogl_object_unref (context->texture_pipeline); + + if (context->blit_texture_pipeline) + cogl_object_unref (context->blit_texture_pipeline); + + if (context->swap_callback_closures) + g_hash_table_destroy (context->swap_callback_closures); + + g_warn_if_fail (context->gles2_context_stack.length == 0); + + if (context->journal_flush_attributes_array) + g_array_free (context->journal_flush_attributes_array, TRUE); + if (context->journal_clip_bounds) + g_array_free (context->journal_clip_bounds, TRUE); + + if (context->polygon_vertices) + g_array_free (context->polygon_vertices, TRUE); + + if (context->quad_buffer_indices_byte) + cogl_object_unref (context->quad_buffer_indices_byte); + if (context->quad_buffer_indices) + cogl_object_unref (context->quad_buffer_indices); + + if (context->rectangle_byte_indices) + cogl_object_unref (context->rectangle_byte_indices); + if (context->rectangle_short_indices) + cogl_object_unref (context->rectangle_short_indices); + + if (context->default_pipeline) + cogl_object_unref (context->default_pipeline); + + if (context->dummy_layer_dependant) + cogl_object_unref (context->dummy_layer_dependant); + if (context->default_layer_n) + cogl_object_unref (context->default_layer_n); + if (context->default_layer_0) + cogl_object_unref (context->default_layer_0); + + if (context->current_clip_stack_valid) + _cogl_clip_stack_unref (context->current_clip_stack); + + g_slist_free (context->atlases); + g_hook_list_clear (&context->atlas_reorganize_callbacks); + + _cogl_bitmask_destroy (&context->enabled_builtin_attributes); + _cogl_bitmask_destroy (&context->enable_builtin_attributes_tmp); + _cogl_bitmask_destroy (&context->enabled_texcoord_attributes); + _cogl_bitmask_destroy (&context->enable_texcoord_attributes_tmp); + _cogl_bitmask_destroy (&context->enabled_custom_attributes); + _cogl_bitmask_destroy (&context->enable_custom_attributes_tmp); + _cogl_bitmask_destroy (&context->changed_bits_tmp); + + if (context->current_modelview_entry) + cogl_matrix_entry_unref (context->current_modelview_entry); + if (context->current_projection_entry) + cogl_matrix_entry_unref (context->current_projection_entry); + _cogl_matrix_entry_cache_destroy (&context->builtin_flushed_projection); + _cogl_matrix_entry_cache_destroy (&context->builtin_flushed_modelview); + + _cogl_pipeline_cache_free (context->pipeline_cache); + + _cogl_sampler_cache_free (context->sampler_cache); + + _cogl_destroy_texture_units (); + + g_ptr_array_free (context->uniform_names, TRUE); + g_hash_table_destroy (context->uniform_name_hash); + + g_hash_table_destroy (context->attribute_name_states_hash); + g_array_free (context->attribute_name_index_map, TRUE); + + g_byte_array_free (context->buffer_map_fallback_array, TRUE); + + cogl_object_unref (context->display); + + g_free (context); +} + +CoglContext * +_cogl_context_get_default (void) +{ + CoglError *error = NULL; + /* Create if doesn't exist yet */ + if (_cogl_context == NULL) + { + _cogl_context = cogl_context_new (NULL, &error); + if (!_cogl_context) + { + g_warning ("Failed to create default context: %s", + error->message); + cogl_error_free (error); + } + } + + return _cogl_context; +} + +CoglDisplay * +cogl_context_get_display (CoglContext *context) +{ + return context->display; +} + +CoglRenderer * +cogl_context_get_renderer (CoglContext *context) +{ + return context->display->renderer; +} + +CoglBool +_cogl_context_update_features (CoglContext *context, + CoglError **error) +{ + return context->driver_vtable->update_features (context, error); +} + +void +_cogl_context_set_current_projection_entry (CoglContext *context, + CoglMatrixEntry *entry) +{ + cogl_matrix_entry_ref (entry); + if (context->current_projection_entry) + cogl_matrix_entry_unref (context->current_projection_entry); + context->current_projection_entry = entry; +} + +void +_cogl_context_set_current_modelview_entry (CoglContext *context, + CoglMatrixEntry *entry) +{ + cogl_matrix_entry_ref (entry); + if (context->current_modelview_entry) + cogl_matrix_entry_unref (context->current_modelview_entry); + context->current_modelview_entry = entry; +} + +char ** +_cogl_context_get_gl_extensions (CoglContext *context) +{ + const char *env_disabled_extensions; + char **ret; + + /* In GL 3, querying GL_EXTENSIONS is deprecated so we have to build + * the array using glGetStringi instead */ +#ifdef HAVE_COGL_GL + if (context->driver == COGL_DRIVER_GL3) + { + int num_extensions, i; + + context->glGetIntegerv (GL_NUM_EXTENSIONS, &num_extensions); + + ret = g_malloc (sizeof (char *) * (num_extensions + 1)); + + for (i = 0; i < num_extensions; i++) + { + const char *ext = + (const char *) context->glGetStringi (GL_EXTENSIONS, i); + ret[i] = g_strdup (ext); + } + + ret[num_extensions] = NULL; + } + else +#endif + { + const char *all_extensions = + (const char *) context->glGetString (GL_EXTENSIONS); + + ret = g_strsplit (all_extensions, " ", 0 /* max tokens */); + } + + if ((env_disabled_extensions = g_getenv ("COGL_DISABLE_GL_EXTENSIONS")) + || _cogl_config_disable_gl_extensions) + { + char **split_env_disabled_extensions; + char **split_conf_disabled_extensions; + char **src, **dst; + + if (env_disabled_extensions) + split_env_disabled_extensions = + g_strsplit (env_disabled_extensions, + ",", + 0 /* no max tokens */); + else + split_env_disabled_extensions = NULL; + + if (_cogl_config_disable_gl_extensions) + split_conf_disabled_extensions = + g_strsplit (_cogl_config_disable_gl_extensions, + ",", + 0 /* no max tokens */); + else + split_conf_disabled_extensions = NULL; + + for (dst = ret, src = ret; + *src; + src++) + { + char **d; + + if (split_env_disabled_extensions) + for (d = split_env_disabled_extensions; *d; d++) + if (!strcmp (*src, *d)) + goto disabled; + if (split_conf_disabled_extensions) + for (d = split_conf_disabled_extensions; *d; d++) + if (!strcmp (*src, *d)) + goto disabled; + + *(dst++) = *src; + continue; + + disabled: + g_free (*src); + continue; + } + + *dst = NULL; + + if (split_env_disabled_extensions) + g_strfreev (split_env_disabled_extensions); + if (split_conf_disabled_extensions) + g_strfreev (split_conf_disabled_extensions); + } + + return ret; +} + +const char * +_cogl_context_get_gl_version (CoglContext *context) +{ + const char *version_override; + + if ((version_override = g_getenv ("COGL_OVERRIDE_GL_VERSION"))) + return version_override; + else if (_cogl_config_override_gl_version) + return _cogl_config_override_gl_version; + else + return (const char *) context->glGetString (GL_VERSION); + +} + +int64_t +cogl_get_clock_time (CoglContext *context) +{ + const CoglWinsysVtable *winsys = _cogl_context_get_winsys (context); + + if (winsys->context_get_clock_time) + return winsys->context_get_clock_time (context); + else + return 0; +} diff --git a/cogl/cogl-context.h b/cogl/cogl-context.h new file mode 100644 index 0000000..07badeb --- /dev/null +++ b/cogl/cogl-context.h @@ -0,0 +1,401 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_CONTEXT_H__ +#define __COGL_CONTEXT_H__ + +/* We forward declare the CoglContext type here to avoid some circular + * dependency issues with the following headers. + */ +typedef struct _CoglContext CoglContext; + +#include +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif +#ifdef COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-context + * @short_description: The top level application context. + * + * A #CoglContext is the top most sandbox of Cogl state for an + * application or toolkit. Its main purpose is to act as a sandbox + * for the memory management of state objects. Normally an application + * will only create a single context since there is no way to share + * resources between contexts. + * + * For those familiar with OpenGL or perhaps Cairo it should be + * understood that unlike these APIs a Cogl context isn't a rendering + * context as such. In other words Cogl doesn't aim to provide a state + * machine style model for configuring rendering parameters. Most + * rendering state in Cogl is directly associated with user managed + * objects called pipelines and geometry is drawn with a specific + * pipeline object to a framebuffer object and those 3 things fully + * define the state for drawing. This is an important part of Cogl's + * design since it helps you write orthogonal rendering components + * that can all access the same GPU without having to worry about + * what state other components have left you with. + * + * Cogl does not maintain internal references to the context for + * resources that depend on the context so applications. This is to + * help applications control the lifetime a context without us needing to + * introduce special api to handle the breakup of internal circular + * references due to internal resources and caches associated with the + * context. + * + * One a context has been destroyed then all directly or indirectly + * dependant resources will be in an inconsistent state and should not + * be manipulated or queried in any way. + * + * For applications that rely on the operating system to clean up + * resources this policy shouldn't affect them, but for applications + * that need to carefully destroy and re-create Cogl contexts multiple + * times throughout their lifetime (such as Android applications) they + * should be careful to destroy all context dependant resources, such as + * framebuffers or textures etc before unrefing and destroying the + * context. + */ + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +#define COGL_CONTEXT(OBJECT) ((CoglContext *)OBJECT) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_context_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_context_get_gtype (void); +#endif + +/** + * cogl_context_new: (constructor) + * @display: (allow-none): A #CoglDisplay pointer + * @error: A CoglError return location. + * + * Creates a new #CoglContext which acts as an application sandbox + * for any state objects that are allocated. + * + * Return value: (transfer full): A newly allocated #CoglContext + * Since: 1.8 + * Stability: unstable + */ +CoglContext * +cogl_context_new (CoglDisplay *display, + CoglError **error); + +/** + * cogl_context_get_display: + * @context: A #CoglContext pointer + * + * Retrieves the #CoglDisplay that is internally associated with the + * given @context. This will return the same #CoglDisplay that was + * passed to cogl_context_new() or if %NULL was passed to + * cogl_context_new() then this function returns a pointer to the + * display that was automatically setup internally. + * + * Return value: (transfer none): The #CoglDisplay associated with the + * given @context. + * Since: 1.8 + * Stability: unstable + */ +CoglDisplay * +cogl_context_get_display (CoglContext *context); + +/** + * cogl_context_get_renderer: + * @context: A #CoglContext pointer + * + * Retrieves the #CoglRenderer that is internally associated with the + * given @context. This will return the same #CoglRenderer that was + * passed to cogl_display_new() or if %NULL was passed to + * cogl_display_new() or cogl_context_new() then this function returns + * a pointer to the renderer that was automatically connected + * internally. + * + * Return value: (transfer none): The #CoglRenderer associated with the + * given @context. + * Since: 1.16 + * Stability: unstable + */ +CoglRenderer * +cogl_context_get_renderer (CoglContext *context); + +#ifdef COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT +/** + * cogl_android_set_native_window: + * @window: A native Android window + * + * Allows Android applications to inform Cogl of the native window + * that they have been given which Cogl can render too. On Android + * this API must be used before creating a #CoglRenderer, #CoglDisplay + * and #CoglContext. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_android_set_native_window (ANativeWindow *window); +#endif + +/** + * cogl_is_context: + * @object: An object or %NULL + * + * Gets whether the given object references an existing context object. + * + * Return value: %TRUE if the @object references a #CoglContext, + * %FALSE otherwise + * + * Since: 1.10 + * Stability: Unstable + */ +CoglBool +cogl_is_context (void *object); + +#endif /* COGL_ENABLE_EXPERIMENTAL_2_0_API */ + +/* XXX: not guarded by the EXPERIMENTAL_API defines to avoid + * upsetting glib-mkenums, but this can still be considered implicitly + * experimental since it's only useable with experimental API... */ +/** + * CoglFeatureID: + * @COGL_FEATURE_ID_TEXTURE_NPOT_BASIC: The hardware supports non power + * of two textures, but you also need to check the + * %COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP and %COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT + * features to know if the hardware supports npot texture mipmaps + * or repeat modes other than + * %COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE respectively. + * @COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP: Mipmapping is supported in + * conjuntion with non power of two textures. + * @COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT: Repeat modes other than + * %COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE are supported by the + * hardware. + * @COGL_FEATURE_ID_TEXTURE_NPOT: Non power of two textures are supported + * by the hardware. This is a equivalent to the + * %COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, %COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP + * and %COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT features combined. + * @COGL_FEATURE_ID_TEXTURE_RECTANGLE: Support for rectangular + * textures with non-normalized texture coordinates. + * @COGL_FEATURE_ID_TEXTURE_RG: Support for + * %COGL_TEXTURE_COMPONENTS_RG as the internal components of a + * texture. + * @COGL_FEATURE_ID_TEXTURE_3D: 3D texture support + * @COGL_FEATURE_ID_OFFSCREEN: Offscreen rendering support + * @COGL_FEATURE_ID_OFFSCREEN_MULTISAMPLE: Multisample support for + * offscreen framebuffers + * @COGL_FEATURE_ID_ONSCREEN_MULTIPLE: Multiple onscreen framebuffers + * supported. + * @COGL_FEATURE_ID_GLSL: GLSL support + * @COGL_FEATURE_ID_ARBFP: ARBFP support + * @COGL_FEATURE_ID_UNSIGNED_INT_INDICES: Set if + * %COGL_INDICES_TYPE_UNSIGNED_INT is supported in + * cogl_indices_new(). + * @COGL_FEATURE_ID_DEPTH_RANGE: cogl_pipeline_set_depth_range() support + * @COGL_FEATURE_ID_POINT_SPRITE: Whether + * cogl_pipeline_set_layer_point_sprite_coords_enabled() is supported. + * @COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE: Whether cogl_point_size_in + * can be used as an attribute to set a per-vertex point size. + * @COGL_FEATURE_ID_MAP_BUFFER_FOR_READ: Whether cogl_buffer_map() is + * supported with CoglBufferAccess including read support. + * @COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE: Whether cogl_buffer_map() is + * supported with CoglBufferAccess including write support. + * @COGL_FEATURE_ID_MIRRORED_REPEAT: Whether + * %COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT is supported. + * @COGL_FEATURE_ID_SWAP_BUFFERS_EVENT: + * Available if the window system supports reporting an event + * for swap buffer completions. + * @COGL_FEATURE_ID_BUFFER_AGE: Available if the age of #CoglOnscreen back + * buffers are tracked and so cogl_onscreen_get_buffer_age() can be + * expected to return age values other than 0. + * @COGL_FEATURE_ID_GLES2_CONTEXT: Whether creating new GLES2 contexts is + * suported. + * @COGL_FEATURE_ID_DEPTH_TEXTURE: Whether #CoglFramebuffer support rendering + * the depth buffer to a texture. + * @COGL_FEATURE_ID_PRESENTATION_TIME: Whether frame presentation + * time stamps will be recorded in #CoglFrameInfo objects. + * + * All the capabilities that can vary between different GPUs supported + * by Cogl. Applications that depend on any of these features should explicitly + * check for them using cogl_has_feature() or cogl_has_features(). + * + * Since: 1.10 + */ +typedef enum _CoglFeatureID +{ + COGL_FEATURE_ID_TEXTURE_NPOT_BASIC = 1, + COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP, + COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT, + COGL_FEATURE_ID_TEXTURE_NPOT, + COGL_FEATURE_ID_TEXTURE_RECTANGLE, + COGL_FEATURE_ID_TEXTURE_3D, + COGL_FEATURE_ID_GLSL, + COGL_FEATURE_ID_ARBFP, + COGL_FEATURE_ID_OFFSCREEN, + COGL_FEATURE_ID_OFFSCREEN_MULTISAMPLE, + COGL_FEATURE_ID_ONSCREEN_MULTIPLE, + COGL_FEATURE_ID_UNSIGNED_INT_INDICES, + COGL_FEATURE_ID_DEPTH_RANGE, + COGL_FEATURE_ID_POINT_SPRITE, + COGL_FEATURE_ID_MAP_BUFFER_FOR_READ, + COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE, + COGL_FEATURE_ID_MIRRORED_REPEAT, + COGL_FEATURE_ID_SWAP_BUFFERS_EVENT, + COGL_FEATURE_ID_GLES2_CONTEXT, + COGL_FEATURE_ID_DEPTH_TEXTURE, + COGL_FEATURE_ID_PRESENTATION_TIME, + COGL_FEATURE_ID_FENCE, + COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE, + COGL_FEATURE_ID_TEXTURE_RG, + COGL_FEATURE_ID_BUFFER_AGE, + + /*< private >*/ + _COGL_N_FEATURE_IDS /*< skip >*/ +} CoglFeatureID; + + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +/** + * cogl_has_feature: + * @context: A #CoglContext pointer + * @feature: A #CoglFeatureID + * + * Checks if a given @feature is currently available + * + * Cogl does not aim to be a lowest common denominator API, it aims to + * expose all the interesting features of GPUs to application which + * means applications have some responsibility to explicitly check + * that certain features are available before depending on them. + * + * Returns: %TRUE if the @feature is currently supported or %FALSE if + * not. + * + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_has_feature (CoglContext *context, CoglFeatureID feature); + +/** + * cogl_has_features: + * @context: A #CoglContext pointer + * @...: A 0 terminated list of CoglFeatureIDs + * + * Checks if a list of features are all currently available. + * + * This checks all of the listed features using cogl_has_feature() and + * returns %TRUE if all the features are available or %FALSE + * otherwise. + * + * Return value: %TRUE if all the features are available, %FALSE + * otherwise. + * + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_has_features (CoglContext *context, ...); + +/** + * CoglFeatureCallback: + * @feature: A single feature currently supported by Cogl + * @user_data: A private pointer passed to cogl_foreach_feature(). + * + * A callback used with cogl_foreach_feature() for enumerating all + * context level features supported by Cogl. + * + * Since: 0.10 + * Stability: unstable + */ +typedef void (*CoglFeatureCallback) (CoglFeatureID feature, void *user_data); + +/** + * cogl_foreach_feature: + * @context: A #CoglContext pointer + * @callback: (scope call): A #CoglFeatureCallback called for each + * supported feature + * @user_data: (closure): Private data to pass to the callback + * + * Iterates through all the context level features currently supported + * for a given @context and for each feature @callback is called. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_foreach_feature (CoglContext *context, + CoglFeatureCallback callback, + void *user_data); + +/** + * cogl_get_clock_time: + * @context: a #CoglContext pointer + * + * Returns the current time value from Cogl's internal clock. This + * clock is used for measuring times such as the presentation time + * in a #CoglFrameInfo. + * + * This method is meant for converting timestamps retrieved from Cogl + * to other time systems, and is not meant to be used as a standalone + * timing system. For that reason, if this function is called without + * having retrieved a valid (non-zero) timestamp from Cogl first, it + * may return 0 to indicate that Cogl has no active internal clock. + * + * Return value: the time value for the Cogl clock, in nanoseconds + * from an arbitrary point in time, or 0 if Cogl doesn't have an + * active internal clock. + * Since: 1.14 + * Stability: unstable + */ +int64_t +cogl_get_clock_time (CoglContext *context); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +COGL_END_DECLS + +#endif /* __COGL_CONTEXT_H__ */ + diff --git a/cogl/cogl-debug-options.h b/cogl/cogl-debug-options.h new file mode 100644 index 0000000..0f3b307 --- /dev/null +++ b/cogl/cogl-debug-options.h @@ -0,0 +1,199 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +OPT (OBJECT, + N_("Cogl Tracing"), + "ref-counts", + N_("CoglObject references"), + N_("Debug ref counting issues for CoglObjects")) +OPT (SLICING, + N_("Cogl Tracing"), + "slicing", + N_("Trace Texture Slicing"), + N_("debug the creation of texture slices")) +OPT (ATLAS, + N_("Cogl Tracing"), + "atlas", + N_("Trace Atlas Textures"), + N_("Debug texture atlas management")) +OPT (BLEND_STRINGS, + N_("Cogl Tracing"), + "blend-strings", + N_("Trace Blend Strings"), + N_("Debug CoglBlendString parsing")) +OPT (JOURNAL, + N_("Cogl Tracing"), + "journal", + N_("Trace Journal"), + N_("View all the geometry passing through the journal")) +OPT (BATCHING, + N_("Cogl Tracing"), + "batching", + N_("Trace Batching"), + N_("Show how geometry is being batched in the journal")) +OPT (MATRICES, + N_("Cogl Tracing"), + "matrices", + N_("Trace matrices"), + N_("Trace all matrix manipulation")) +/* XXX we should replace the "draw" option its very hand wavy... */ +OPT (DRAW, + N_("Cogl Tracing"), + "draw", + N_("Trace Misc Drawing"), + N_("Trace some misc drawing operations")) +OPT (PANGO, + N_("Cogl Tracing"), + "pango", + N_("Trace Pango Renderer"), + N_("Trace the Cogl Pango renderer")) +OPT (TEXTURE_PIXMAP, + N_("Cogl Tracing"), + "texture-pixmap", + N_("Trace CoglTexturePixmap backend"), + N_("Trace the Cogl texture pixmap backend")) +OPT (RECTANGLES, + N_("Visualize"), + "rectangles", + N_("Outline rectangles"), + N_("Add wire outlines for all rectangular geometry")) +OPT (WIREFRAME, + N_("Visualize"), + "wireframe", + N_("Show wireframes"), + N_("Add wire outlines for all geometry")) +OPT (DISABLE_BATCHING, + N_("Root Cause"), + "disable-batching", + N_("Disable Journal batching"), + N_("Disable batching of geometry in the Cogl Journal.")) +OPT (DISABLE_VBOS, + N_("Root Cause"), + "disable-vbos", + N_("Disable GL Vertex Buffers"), + N_("Disable use of OpenGL vertex buffer objects")) +OPT (DISABLE_PBOS, + N_("Root Cause"), + "disable-pbos", + N_("Disable GL Pixel Buffers"), + N_("Disable use of OpenGL pixel buffer objects")) +OPT (DISABLE_SOFTWARE_TRANSFORM, + N_("Root Cause"), + "disable-software-transform", + N_("Disable software rect transform"), + N_("Use the GPU to transform rectangular geometry")) +OPT (DUMP_ATLAS_IMAGE, + N_("Cogl Specialist"), + "dump-atlas-image", + N_("Dump atlas images"), + N_("Dump texture atlas changes to an image file")) +OPT (DISABLE_ATLAS, + N_("Root Cause"), + "disable-atlas", + N_("Disable texture atlasing"), + N_("Disable use of texture atlasing")) +OPT (DISABLE_SHARED_ATLAS, + N_("Root Cause"), + "disable-shared-atlas", + N_("Disable sharing the texture atlas between text and images"), + N_("When this is set the glyph cache will always use a separate texture " + "for its atlas. Otherwise it will try to share the atlas with images.")) +OPT (DISABLE_TEXTURING, + N_("Root Cause"), + "disable-texturing", + N_("Disable texturing"), + N_("Disable texturing any primitives")) +OPT (DISABLE_ARBFP, + N_("Root Cause"), + "disable-arbfp", + N_("Disable arbfp"), + N_("Disable use of ARB fragment programs")) +OPT (DISABLE_FIXED, + N_("Root Cause"), + "disable-fixed", + N_("Disable fixed"), + N_("Disable use of the fixed function pipeline backend")) +OPT (DISABLE_GLSL, + N_("Root Cause"), + "disable-glsl", + N_("Disable GLSL"), + N_("Disable use of GLSL")) +OPT (DISABLE_BLENDING, + N_("Root Cause"), + "disable-blending", + N_("Disable blending"), + N_("Disable use of blending")) +OPT (DISABLE_NPOT_TEXTURES, + N_("Root Cause"), + "disable-npot-textures", + N_("Disable non-power-of-two textures"), + N_("Makes Cogl think that the GL driver doesn't support NPOT textures " + "so that it will create sliced textures or textures with waste instead.")) +OPT (DISABLE_SOFTWARE_CLIP, + N_("Root Cause"), + "disable-software-clip", + N_("Disable software clipping"), + N_("Disables Cogl's attempts to clip some rectangles in software.")) +OPT (SHOW_SOURCE, + N_("Cogl Tracing"), + "show-source", + N_("Show source"), + N_("Show generated ARBfp/GLSL source code")) +OPT (OPENGL, + N_("Cogl Tracing"), + "opengl", + N_("Trace some OpenGL"), + N_("Traces some select OpenGL calls")) +OPT (OFFSCREEN, + N_("Cogl Tracing"), + "offscreen", + N_("Trace offscreen support"), + N_("Debug offscreen support")) +OPT (DISABLE_BLENDING, + N_("Root Cause"), + "disable-program-caches", + N_("Disable program caches"), + N_("Disable fallback caches for arbfp and glsl programs")) +OPT (DISABLE_FAST_READ_PIXEL, + N_("Root Cause"), + "disable-fast-read-pixel", + N_("Disable read pixel optimization"), + N_("Disable optimization for reading 1px for simple " + "scenes of opaque rectangles")) +OPT (CLIPPING, + N_("Cogl Tracing"), + "clipping", + N_("Trace clipping"), + N_("Logs information about how Cogl is implementing clipping")) +OPT (PERFORMANCE, + N_("Cogl Tracing"), + "performance", + N_("Trace performance concerns"), + N_("Tries to highlight sub-optimal Cogl usage.")) diff --git a/cogl/cogl-debug.c b/cogl/cogl-debug.c new file mode 100644 index 0000000..446313c --- /dev/null +++ b/cogl/cogl-debug.c @@ -0,0 +1,304 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-i18n-private.h" +#include "cogl-private.h" +#include "cogl-debug.h" +#include "cogl1-context.h" + +/* XXX: If you add a debug option, please also add an option + * definition to cogl-debug-options.h. This will enable us - for + * example - to emit a "help" description for the option. + */ + +/* NB: Only these options get enabled if COGL_DEBUG=all is + * used since they don't affect the behaviour of Cogl they + * simply print out verbose information */ +static const GDebugKey cogl_log_debug_keys[] = { + { "object", COGL_DEBUG_OBJECT }, + { "slicing", COGL_DEBUG_SLICING }, + { "atlas", COGL_DEBUG_ATLAS }, + { "blend-strings", COGL_DEBUG_BLEND_STRINGS }, + { "journal", COGL_DEBUG_JOURNAL }, + { "batching", COGL_DEBUG_BATCHING }, + { "matrices", COGL_DEBUG_MATRICES }, + { "draw", COGL_DEBUG_DRAW }, + { "opengl", COGL_DEBUG_OPENGL }, + { "pango", COGL_DEBUG_PANGO }, + { "show-source", COGL_DEBUG_SHOW_SOURCE}, + { "offscreen", COGL_DEBUG_OFFSCREEN }, + { "texture-pixmap", COGL_DEBUG_TEXTURE_PIXMAP }, + { "bitmap", COGL_DEBUG_BITMAP }, + { "clipping", COGL_DEBUG_CLIPPING }, + { "winsys", COGL_DEBUG_WINSYS }, + { "performance", COGL_DEBUG_PERFORMANCE } +}; +static const int n_cogl_log_debug_keys = + G_N_ELEMENTS (cogl_log_debug_keys); + +static const GDebugKey cogl_behavioural_debug_keys[] = { + { "rectangles", COGL_DEBUG_RECTANGLES }, + { "disable-batching", COGL_DEBUG_DISABLE_BATCHING }, + { "disable-vbos", COGL_DEBUG_DISABLE_VBOS }, + { "disable-pbos", COGL_DEBUG_DISABLE_PBOS }, + { "disable-software-transform", COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM }, + { "dump-atlas-image", COGL_DEBUG_DUMP_ATLAS_IMAGE }, + { "disable-atlas", COGL_DEBUG_DISABLE_ATLAS }, + { "disable-shared-atlas", COGL_DEBUG_DISABLE_SHARED_ATLAS }, + { "disable-texturing", COGL_DEBUG_DISABLE_TEXTURING}, + { "disable-arbfp", COGL_DEBUG_DISABLE_ARBFP}, + { "disable-fixed", COGL_DEBUG_DISABLE_FIXED}, + { "disable-glsl", COGL_DEBUG_DISABLE_GLSL}, + { "disable-blending", COGL_DEBUG_DISABLE_BLENDING}, + { "disable-npot-textures", COGL_DEBUG_DISABLE_NPOT_TEXTURES}, + { "wireframe", COGL_DEBUG_WIREFRAME}, + { "disable-software-clip", COGL_DEBUG_DISABLE_SOFTWARE_CLIP}, + { "disable-program-caches", COGL_DEBUG_DISABLE_PROGRAM_CACHES}, + { "disable-fast-read-pixel", COGL_DEBUG_DISABLE_FAST_READ_PIXEL} +}; +static const int n_cogl_behavioural_debug_keys = + G_N_ELEMENTS (cogl_behavioural_debug_keys); + +unsigned long _cogl_debug_flags[COGL_DEBUG_N_LONGS]; +GHashTable *_cogl_debug_instances; + +static void +_cogl_parse_debug_string_for_keys (const char *value, + CoglBool enable, + const GDebugKey *keys, + unsigned int nkeys) +{ + int long_num, key_num; + + /* g_parse_debug_string expects the value field in GDebugKey to be a + mask in an unsigned int but the flags are stored in an array of + multiple longs so we need to build a separate array for each + possible unsigned int */ + + for (long_num = 0; long_num < COGL_DEBUG_N_LONGS; long_num++) + { + int int_num; + + for (int_num = 0; + int_num < sizeof (unsigned long) / sizeof (unsigned int); + int_num++) + { + GDebugKey keys_for_int[sizeof (unsigned int) * 8]; + int nkeys_for_int = 0; + + for (key_num = 0; key_num < nkeys; key_num++) + { + int long_index = COGL_FLAGS_GET_INDEX (keys[key_num].value); + int int_index = (keys[key_num].value % + (sizeof (unsigned long) * 8) / + (sizeof (unsigned int) * 8)); + + if (long_index == long_num && int_index == int_num) + { + keys_for_int[nkeys_for_int] = keys[key_num]; + keys_for_int[nkeys_for_int].value = + COGL_FLAGS_GET_MASK (keys[key_num].value) >> + (int_num * sizeof (unsigned int) * 8); + nkeys_for_int++; + } + } + + if (nkeys_for_int > 0) + { + unsigned long mask = + ((unsigned long) g_parse_debug_string (value, + keys_for_int, + nkeys_for_int)) << + (int_num * sizeof (unsigned int) * 8); + + if (enable) + _cogl_debug_flags[long_num] |= mask; + else + _cogl_debug_flags[long_num] &= ~mask; + } + } + } +} + +void +_cogl_parse_debug_string (const char *value, + CoglBool enable, + CoglBool ignore_help) +{ + if (ignore_help && strcmp (value, "help") == 0) + return; + + /* We don't want to let g_parse_debug_string handle "all" because + * literally enabling all the debug options wouldn't be useful to + * anyone; instead the all option enables all non behavioural + * options. + */ + if (strcmp (value, "all") == 0 || + strcmp (value, "verbose") == 0) + { + int i; + for (i = 0; i < n_cogl_log_debug_keys; i++) + if (enable) + COGL_DEBUG_SET_FLAG (cogl_log_debug_keys[i].value); + else + COGL_DEBUG_CLEAR_FLAG (cogl_log_debug_keys[i].value); + } + else if (g_ascii_strcasecmp (value, "help") == 0) + { + g_printerr ("\n\n%28s\n", _("Supported debug values:")); +#define OPT(MASK_NAME, GROUP, NAME, NAME_FORMATTED, DESCRIPTION) \ + g_printerr ("%28s %s\n", NAME ":", g_dgettext (GETTEXT_PACKAGE, \ + DESCRIPTION)); +#include "cogl-debug-options.h" + g_printerr ("\n%28s\n", _("Special debug values:")); + OPT (IGNORED, "ignored", "all", "ignored", \ + N_("Enables all non-behavioural debug options")); + OPT (IGNORED, "ignored", "verbose", "ignored", \ + N_("Enables all non-behavioural debug options")); +#undef OPT + + g_printerr ("\n" + "%28s\n" + " COGL_DISABLE_GL_EXTENSIONS: %s\n" + " COGL_OVERRIDE_GL_VERSION: %s\n", + _("Additional environment variables:"), + _("Comma-separated list of GL extensions to pretend are " + "disabled"), + _("Override the GL version that Cogl will assume the driver " + "supports")); + exit (1); + } + else + { + _cogl_parse_debug_string_for_keys (value, + enable, + cogl_log_debug_keys, + n_cogl_log_debug_keys); + _cogl_parse_debug_string_for_keys (value, + enable, + cogl_behavioural_debug_keys, + n_cogl_behavioural_debug_keys); + } +} + +#ifdef COGL_ENABLE_DEBUG +static CoglBool +cogl_arg_debug_cb (const char *key, + const char *value, + void *user_data) +{ + _cogl_parse_debug_string (value, + TRUE /* enable the flags */, + FALSE /* don't ignore help */); + return TRUE; +} + +static CoglBool +cogl_arg_no_debug_cb (const char *key, + const char *value, + void *user_data) +{ + _cogl_parse_debug_string (value, + FALSE, /* disable the flags */ + TRUE /* ignore help */); + return TRUE; +} +#endif /* COGL_ENABLE_DEBUG */ + +static GOptionEntry cogl_args[] = { +#ifdef COGL_ENABLE_DEBUG + { "cogl-debug", 0, 0, G_OPTION_ARG_CALLBACK, cogl_arg_debug_cb, + N_("Cogl debugging flags to set"), "FLAGS" }, + { "cogl-no-debug", 0, 0, G_OPTION_ARG_CALLBACK, cogl_arg_no_debug_cb, + N_("Cogl debugging flags to unset"), "FLAGS" }, +#endif /* COGL_ENABLE_DEBUG */ + { NULL, }, +}; + +void +_cogl_debug_check_environment (void) +{ + const char *env_string; + + env_string = g_getenv ("COGL_DEBUG"); + if (env_string != NULL) + { + _cogl_parse_debug_string (env_string, + TRUE /* enable the flags */, + FALSE /* don't ignore help */); + env_string = NULL; + } + + env_string = g_getenv ("COGL_NO_DEBUG"); + if (env_string != NULL) + { + _cogl_parse_debug_string (env_string, + FALSE /* disable the flags */, + FALSE /* don't ignore help */); + env_string = NULL; + } +} + +static CoglBool +pre_parse_hook (GOptionContext *context, + GOptionGroup *group, + void *data, + GError **error) +{ + _cogl_init (); + + return TRUE; +} + +/* XXX: GOption based library initialization is not reliable because the + * GOption API has no way to represent dependencies between libraries. + */ +GOptionGroup * +cogl_get_option_group (void) +{ + GOptionGroup *group; + + group = g_option_group_new ("cogl", + _("Cogl Options"), + _("Show Cogl options"), + NULL, NULL); + + g_option_group_set_parse_hooks (group, pre_parse_hook, NULL); + g_option_group_add_entries (group, cogl_args); + g_option_group_set_translation_domain (group, GETTEXT_PACKAGE); + + return group; +} diff --git a/cogl/cogl-debug.h b/cogl/cogl-debug.h new file mode 100644 index 0000000..91a49e1 --- /dev/null +++ b/cogl/cogl-debug.h @@ -0,0 +1,126 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_DEBUG_H__ +#define __COGL_DEBUG_H__ + +#include "cogl-profile.h" +#include "cogl-flags.h" +#include "cogl-util.h" + +#include + +COGL_BEGIN_DECLS + +typedef enum { + COGL_DEBUG_SLICING, + COGL_DEBUG_OFFSCREEN, + COGL_DEBUG_DRAW, + COGL_DEBUG_PANGO, + COGL_DEBUG_RECTANGLES, + COGL_DEBUG_OBJECT, + COGL_DEBUG_BLEND_STRINGS, + COGL_DEBUG_DISABLE_BATCHING, + COGL_DEBUG_DISABLE_VBOS, + COGL_DEBUG_DISABLE_PBOS, + COGL_DEBUG_JOURNAL, + COGL_DEBUG_BATCHING, + COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM, + COGL_DEBUG_MATRICES, + COGL_DEBUG_ATLAS, + COGL_DEBUG_DUMP_ATLAS_IMAGE, + COGL_DEBUG_DISABLE_ATLAS, + COGL_DEBUG_DISABLE_SHARED_ATLAS, + COGL_DEBUG_OPENGL, + COGL_DEBUG_DISABLE_TEXTURING, + COGL_DEBUG_DISABLE_ARBFP, + COGL_DEBUG_DISABLE_FIXED, + COGL_DEBUG_DISABLE_GLSL, + COGL_DEBUG_SHOW_SOURCE, + COGL_DEBUG_DISABLE_BLENDING, + COGL_DEBUG_TEXTURE_PIXMAP, + COGL_DEBUG_BITMAP, + COGL_DEBUG_DISABLE_NPOT_TEXTURES, + COGL_DEBUG_WIREFRAME, + COGL_DEBUG_DISABLE_SOFTWARE_CLIP, + COGL_DEBUG_DISABLE_PROGRAM_CACHES, + COGL_DEBUG_DISABLE_FAST_READ_PIXEL, + COGL_DEBUG_CLIPPING, + COGL_DEBUG_WINSYS, + COGL_DEBUG_PERFORMANCE, + + COGL_DEBUG_N_FLAGS +} CoglDebugFlags; + +extern GHashTable *_cogl_debug_instances; +#define COGL_DEBUG_N_LONGS COGL_FLAGS_N_LONGS_FOR_SIZE (COGL_DEBUG_N_FLAGS) + +/* _cogl_debug_flags currently needs to exported outside of the shared + library for cogl-pango. The special COGL_EXPORT macro is needed to + get this to work when building with MSVC */ +COGL_EXPORT extern unsigned long _cogl_debug_flags[COGL_DEBUG_N_LONGS]; + +#define COGL_DEBUG_ENABLED(flag) \ + COGL_FLAGS_GET (_cogl_debug_flags, flag) + +#define COGL_DEBUG_SET_FLAG(flag) \ + COGL_FLAGS_SET (_cogl_debug_flags, flag, TRUE) + +#define COGL_DEBUG_CLEAR_FLAG(flag) \ + COGL_FLAGS_SET (_cogl_debug_flags, flag, FALSE) + +#ifdef __GNUC__ +#define COGL_NOTE(type,x,a...) G_STMT_START { \ + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_##type))) { \ + _cogl_profile_trace_message ("[" #type "] " G_STRLOC " & " x, ##a); \ + } } G_STMT_END + +#else +#define COGL_NOTE(type,...) G_STMT_START { \ + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_##type))) { \ + char *_fmt = g_strdup_printf (__VA_ARGS__); \ + _cogl_profile_trace_message ("[" #type "] " G_STRLOC " & %s", _fmt);\ + g_free (_fmt); \ + } } G_STMT_END + +#endif /* __GNUC__ */ + +void +_cogl_debug_check_environment (void); + +void +_cogl_parse_debug_string (const char *value, + CoglBool enable, + CoglBool ignore_help); + +COGL_END_DECLS + +#endif /* __COGL_DEBUG_H__ */ + diff --git a/cogl/cogl-defines.h.in b/cogl/cogl-defines.h.in new file mode 100644 index 0000000..eb3ad92 --- /dev/null +++ b/cogl/cogl-defines.h.in @@ -0,0 +1,45 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_DEFINES_H__ +#define __COGL_DEFINES_H__ + +@COGL_DEFINES@ + +#define COGL_VERSION_MAJOR_INTERNAL 1 +#define COGL_VERSION_MINOR_INTERNAL @COGL_1_MINOR_VERSION@ +#define COGL_VERSION_MICRO_INTERNAL @COGL_1_MICRO_VERSION@ +#define COGL_VERSION_STRING_INTERNAL "@COGL_1_VERSION@" + +#endif diff --git a/cogl/cogl-defines.h.win32 b/cogl/cogl-defines.h.win32 new file mode 100644 index 0000000..08c957f --- /dev/null +++ b/cogl/cogl-defines.h.win32 @@ -0,0 +1,77 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_DEFINES_H__ +#define __COGL_DEFINES_H__ + +#include + +G_BEGIN_DECLS + +#define COGL_HAS_GLIB_SUPPORT 1 +#define COGL_HAS_GTYPE_SUPPORT 1 +#define COGL_HAS_WGL_SUPPORT 1 +#define COGL_HAS_WIN32_SUPPORT 1 +#define COGL_HAS_COGL_PATH_SUPPORT 1 +#define COGL_HAS_GL 1 +#define CLUTTER_COGL_HAS_GL 1 + +#ifdef COGL_HAS_EGL_SUPPORT +#ifdef COGL_HAS_GLES1 +#include +#include +#else +#include +#endif +#endif + +#ifndef GL_OES_EGL_image +#define GLeglImageOES void * +#endif + +#define COGL_SYSDEF_POLLIN 1 +#define COGL_SYSDEF_POLLPRI 2 +#define COGL_SYSDEF_POLLOUT 4 +#define COGL_SYSDEF_POLLERR 8 +#define COGL_SYSDEF_POLLHUP 16 +#define COGL_SYSDEF_POLLNVAL 32 + +#define COGL_VERSION_MAJOR_INTERNAL 2 +#define COGL_VERSION_MINOR_INTERNAL 0 +#define COGL_VERSION_MICRO_INTERNAL 0 +#define COGL_VERSION_STRING_INTERNAL "2.0.0" + +G_END_DECLS + +#endif diff --git a/cogl/cogl-defines.h.win32.in b/cogl/cogl-defines.h.win32.in new file mode 100644 index 0000000..b484fd2 --- /dev/null +++ b/cogl/cogl-defines.h.win32.in @@ -0,0 +1,77 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_DEFINES_H__ +#define __COGL_DEFINES_H__ + +#include + +G_BEGIN_DECLS + +#define COGL_HAS_GLIB_SUPPORT 1 +#define COGL_HAS_GTYPE_SUPPORT 1 +#define COGL_HAS_WGL_SUPPORT 1 +#define COGL_HAS_WIN32_SUPPORT 1 +#define COGL_HAS_COGL_PATH_SUPPORT 1 +#define COGL_HAS_GL 1 +#define CLUTTER_COGL_HAS_GL 1 + +#ifdef COGL_HAS_EGL_SUPPORT +#ifdef COGL_HAS_GLES1 +#include +#include +#else +#include +#endif +#endif + +#ifndef GL_OES_EGL_image +#define GLeglImageOES void * +#endif + +#define COGL_SYSDEF_POLLIN 1 +#define COGL_SYSDEF_POLLPRI 2 +#define COGL_SYSDEF_POLLOUT 4 +#define COGL_SYSDEF_POLLERR 8 +#define COGL_SYSDEF_POLLHUP 16 +#define COGL_SYSDEF_POLLNVAL 32 + +#define COGL_VERSION_MAJOR_INTERNAL @COGL_MAJOR_VERSION@ +#define COGL_VERSION_MINOR_INTERNAL @COGL_MINOR_VERSION@ +#define COGL_VERSION_MICRO_INTERNAL @COGL_MICRO_VERSION@ +#define COGL_VERSION_STRING_INTERNAL "@COGL_VERSION@" + +G_END_DECLS + +#endif diff --git a/cogl/cogl-defines.h.win32_SDL b/cogl/cogl-defines.h.win32_SDL new file mode 100644 index 0000000..0217f11 --- /dev/null +++ b/cogl/cogl-defines.h.win32_SDL @@ -0,0 +1,78 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_DEFINES_H__ +#define __COGL_DEFINES_H__ + +#include + +G_BEGIN_DECLS + +#define COGL_HAS_GLIB_SUPPORT 1 +#define COGL_HAS_GTYPE_SUPPORT 1 +#define COGL_HAS_WGL_SUPPORT 1 +#define COGL_HAS_WIN32_SUPPORT 1 +#define COGL_HAS_SDL_SUPPORT 1 +#define COGL_HAS_COGL_PATH_SUPPORT 1 +#define COGL_HAS_GL 1 +#define CLUTTER_COGL_HAS_GL 1 + +#ifdef COGL_HAS_EGL_SUPPORT +#ifdef COGL_HAS_GLES1 +#include +#include +#else +#include +#endif +#endif + +#ifndef GL_OES_EGL_image +#define GLeglImageOES void * +#endif + +#define COGL_SYSDEF_POLLIN 1 +#define COGL_SYSDEF_POLLPRI 2 +#define COGL_SYSDEF_POLLOUT 4 +#define COGL_SYSDEF_POLLERR 8 +#define COGL_SYSDEF_POLLHUP 16 +#define COGL_SYSDEF_POLLNVAL 32 + +#define COGL_VERSION_MAJOR_INTERNAL 2 +#define COGL_VERSION_MINOR_INTERNAL 0 +#define COGL_VERSION_MICRO_INTERNAL 0 +#define COGL_VERSION_STRING_INTERNAL "2.0.0" + +G_END_DECLS + +#endif diff --git a/cogl/cogl-defines.h.win32_SDL.in b/cogl/cogl-defines.h.win32_SDL.in new file mode 100644 index 0000000..acd246b --- /dev/null +++ b/cogl/cogl-defines.h.win32_SDL.in @@ -0,0 +1,78 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_DEFINES_H__ +#define __COGL_DEFINES_H__ + +#include + +G_BEGIN_DECLS + +#define COGL_HAS_GLIB_SUPPORT 1 +#define COGL_HAS_GTYPE_SUPPORT 1 +#define COGL_HAS_WGL_SUPPORT 1 +#define COGL_HAS_WIN32_SUPPORT 1 +#define COGL_HAS_SDL_SUPPORT 1 +#define COGL_HAS_COGL_PATH_SUPPORT 1 +#define COGL_HAS_GL 1 +#define CLUTTER_COGL_HAS_GL 1 + +#ifdef COGL_HAS_EGL_SUPPORT +#ifdef COGL_HAS_GLES1 +#include +#include +#else +#include +#endif +#endif + +#ifndef GL_OES_EGL_image +#define GLeglImageOES void * +#endif + +#define COGL_SYSDEF_POLLIN 1 +#define COGL_SYSDEF_POLLPRI 2 +#define COGL_SYSDEF_POLLOUT 4 +#define COGL_SYSDEF_POLLERR 8 +#define COGL_SYSDEF_POLLHUP 16 +#define COGL_SYSDEF_POLLNVAL 32 + +#define COGL_VERSION_MAJOR_INTERNAL @COGL_MAJOR_VERSION@ +#define COGL_VERSION_MINOR_INTERNAL @COGL_MINOR_VERSION@ +#define COGL_VERSION_MICRO_INTERNAL @COGL_MICRO_VERSION@ +#define COGL_VERSION_STRING_INTERNAL "@COGL_VERSION@" + +G_END_DECLS + +#endif diff --git a/cogl/cogl-deprecated.h b/cogl/cogl-deprecated.h new file mode 100644 index 0000000..ca56fa1 --- /dev/null +++ b/cogl/cogl-deprecated.h @@ -0,0 +1,43 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef COGL_DEPRECATED_H + +#define cogl_color cogl_color_REPLACED_BY_cogl_set_source_color +#define cogl_enable_depth_test cogl_enable_depth_test_RENAMED_TO_cogl_set_depth_test_enabled +#define cogl_enable_backface_culling cogl_enable_backface_culling_RENAMED_TO_cogl_set_backface_culling_enabled + +#define cogl_texture_rectangle cogl_texture_rectangle_REPLACE_BY_cogl_set_source_texture_AND_cogl_rectangle_with_texture_coords + +#define cogl_texture_multiple_rectangles cogl_texture_multiple_rectangles_REPLACED_BY_cogl_set_source_texture_AND_cogl_rectangles_with_texture_coords + +#define cogl_texture_polygon cogl_texture_polygon_REPLACED_BY_cogl_set_source_texture_AND_cogl_polygon + +#endif diff --git a/cogl/cogl-depth-state-private.h b/cogl/cogl-depth-state-private.h new file mode 100644 index 0000000..6c14bb9 --- /dev/null +++ b/cogl/cogl-depth-state-private.h @@ -0,0 +1,38 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_DEPTH_STATE_PRIVATE_H +#define __COGL_DEPTH_STATE_PRIVATE_H + + +#define COGL_DEPTH_STATE_MAGIC 0xDEADBEEF + +#endif /* __COGL_DEPTH_STATE_PRIVATE_H */ diff --git a/cogl/cogl-depth-state.c b/cogl/cogl-depth-state.c new file mode 100644 index 0000000..5ea0aab --- /dev/null +++ b/cogl/cogl-depth-state.c @@ -0,0 +1,116 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-depth-state-private.h" +#include "cogl-depth-state.h" + +void +cogl_depth_state_init (CoglDepthState *state) +{ + state->magic = COGL_DEPTH_STATE_MAGIC; + + /* The same as the GL defaults */ + state->test_enabled = FALSE; + state->write_enabled = TRUE; + state->test_function = COGL_DEPTH_TEST_FUNCTION_LESS; + state->range_near = 0; + state->range_far = 1; +} + +void +cogl_depth_state_set_test_enabled (CoglDepthState *state, + CoglBool enabled) +{ + _COGL_RETURN_IF_FAIL (state->magic == COGL_DEPTH_STATE_MAGIC); + state->test_enabled = enabled; +} + +CoglBool +cogl_depth_state_get_test_enabled (CoglDepthState *state) +{ + _COGL_RETURN_VAL_IF_FAIL (state->magic == COGL_DEPTH_STATE_MAGIC, FALSE); + return state->test_enabled; +} + +void +cogl_depth_state_set_write_enabled (CoglDepthState *state, + CoglBool enabled) +{ + _COGL_RETURN_IF_FAIL (state->magic == COGL_DEPTH_STATE_MAGIC); + state->write_enabled = enabled; +} + +CoglBool +cogl_depth_state_get_write_enabled (CoglDepthState *state) +{ + _COGL_RETURN_VAL_IF_FAIL (state->magic == COGL_DEPTH_STATE_MAGIC, FALSE); + return state->write_enabled; +} + +void +cogl_depth_state_set_test_function (CoglDepthState *state, + CoglDepthTestFunction function) +{ + _COGL_RETURN_IF_FAIL (state->magic == COGL_DEPTH_STATE_MAGIC); + state->test_function = function; +} + +CoglDepthTestFunction +cogl_depth_state_get_test_function (CoglDepthState *state) +{ + _COGL_RETURN_VAL_IF_FAIL (state->magic == COGL_DEPTH_STATE_MAGIC, FALSE); + return state->test_function; +} + +void +cogl_depth_state_set_range (CoglDepthState *state, + float near, + float far) +{ + _COGL_RETURN_IF_FAIL (state->magic == COGL_DEPTH_STATE_MAGIC); + state->range_near = near; + state->range_far = far; +} + +void +cogl_depth_state_get_range (CoglDepthState *state, + float *near_out, + float *far_out) +{ + _COGL_RETURN_IF_FAIL (state->magic == COGL_DEPTH_STATE_MAGIC); + *near_out = state->range_near; + *far_out = state->range_far; +} diff --git a/cogl/cogl-depth-state.h b/cogl/cogl-depth-state.h new file mode 100644 index 0000000..581b961 --- /dev/null +++ b/cogl/cogl-depth-state.h @@ -0,0 +1,270 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_DEPTH_STATE_H__ +#define __COGL_DEPTH_STATE_H__ + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-depth-state + * @short_description: Functions for describing the depth testing + * state of your GPU. + */ + +/** + * CoglDepthState: + * + * Since: 2.0 + */ +typedef struct { + /*< private >*/ + uint32_t COGL_PRIVATE (magic); + + CoglBool COGL_PRIVATE (test_enabled); + CoglDepthTestFunction COGL_PRIVATE (test_function); + CoglBool COGL_PRIVATE (write_enabled); + float COGL_PRIVATE (range_near); + float COGL_PRIVATE (range_far); + + uint32_t COGL_PRIVATE (padding0); + uint32_t COGL_PRIVATE (padding1); + uint32_t COGL_PRIVATE (padding2); + uint32_t COGL_PRIVATE (padding3); + uint32_t COGL_PRIVATE (padding4); + uint32_t COGL_PRIVATE (padding5); + uint32_t COGL_PRIVATE (padding6); + uint32_t COGL_PRIVATE (padding7); + uint32_t COGL_PRIVATE (padding8); + uint32_t COGL_PRIVATE (padding9); +} CoglDepthState; + +/** + * cogl_depth_state_init: + * @state: A #CoglDepthState struct + * + * Initializes the members of @state to their default values. + * + * You should never pass an un initialized #CoglDepthState structure + * to cogl_pipeline_set_depth_state(). + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_depth_state_init (CoglDepthState *state); + +/** + * cogl_depth_state_set_test_enabled: + * @state: A #CoglDepthState struct + * @enable: The enable state you want + * + * Enables or disables depth testing according to the value of + * @enable. + * + * If depth testing is enable then the #CoglDepthTestFunction set + * using cogl_depth_state_set_test_function() us used to evaluate + * the depth value of incoming fragments against the corresponding + * value stored in the current depth buffer, and if the test passes + * then the fragments depth value is used to update the depth buffer. + * (unless you have disabled depth writing via + * cogl_depth_state_set_write_enabled()) + * + * By default depth testing is disabled. + * + * NB: this won't directly affect the state of the GPU. You have + * to then set the state on a #CoglPipeline using + * cogl_pipeline_set_depth_state() + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_depth_state_set_test_enabled (CoglDepthState *state, + CoglBool enable); + +/** + * cogl_depth_state_get_test_enabled: + * @state: A #CoglDepthState struct + * + * Gets the current depth test enabled state as previously set by + * cogl_depth_state_set_test_enabled(). + * + * Returns: The pipeline's current depth test enabled state. + * Since: 2.0 + * Stability: Unstable + */ +CoglBool +cogl_depth_state_get_test_enabled (CoglDepthState *state); + +/** + * cogl_depth_state_set_write_enabled: + * @state: A #CoglDepthState struct + * @enable: The enable state you want + * + * Enables or disables depth buffer writing according to the value of + * @enable. Normally when depth testing is enabled and the comparison + * between a fragment's depth value and the corresponding depth buffer + * value passes then the fragment's depth is written to the depth + * buffer unless writing is disabled here. + * + * By default depth writing is enabled + * + * NB: this won't directly affect the state of the GPU. You have + * to then set the state on a #CoglPipeline using + * cogl_pipeline_set_depth_state() + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_depth_state_set_write_enabled (CoglDepthState *state, + CoglBool enable); + +/** + * cogl_depth_state_get_write_enabled: + * @state: A #CoglDepthState struct + * + * Gets the depth writing enable state as set by the corresponding + * cogl_depth_state_set_write_enabled(). + * + * Returns: The current depth writing enable state + * Since: 2.0 + * Stability: Unstable + */ +CoglBool +cogl_depth_state_get_write_enabled (CoglDepthState *state); + +/** + * cogl_depth_state_set_test_function: + * @state: A #CoglDepthState struct + * @function: The #CoglDepthTestFunction to set + * + * Sets the #CoglDepthTestFunction used to compare the depth value of + * an incoming fragment against the corresponding value in the current + * depth buffer. + * + * By default the depth test function is %COGL_DEPTH_TEST_FUNCTION_LESS + * + * NB: this won't directly affect the state of the GPU. You have + * to then set the state on a #CoglPipeline using + * cogl_pipeline_set_depth_state() + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_depth_state_set_test_function (CoglDepthState *state, + CoglDepthTestFunction function); + +/** + * cogl_depth_state_get_test_function: + * @state: A #CoglDepthState struct + * + * Gets the current depth test enable state as previously set via + * cogl_depth_state_set_test_enabled(). + * + * Returns: The current depth test enable state. + * Since: 2.0 + * Stability: Unstable + */ +CoglDepthTestFunction +cogl_depth_state_get_test_function (CoglDepthState *state); + +/** + * cogl_depth_state_set_range: + * @state: A #CoglDepthState object + * @near_val: The near component of the desired depth range which will be + * clamped to the range [0, 1] + * @far_val: The far component of the desired depth range which will be + * clamped to the range [0, 1] + * + * Sets the range to map depth values in normalized device coordinates + * to before writing out to a depth buffer. + * + * After your geometry has be transformed, clipped and had perspective + * division applied placing it in normalized device + * coordinates all depth values between the near and far z clipping + * planes are in the range -1 to 1. Before writing any depth value to + * the depth buffer though the value is mapped into the range [0, 1]. + * + * With this function you can change the range which depth values are + * mapped too although the range must still lye within the range [0, + * 1]. + * + * If your driver does not support this feature (for example you are + * using GLES 1 drivers) then if you don't use the default range + * values you will get an error reported when calling + * cogl_pipeline_set_depth_state (). You can check ahead of time for + * the %COGL_FEATURE_ID_DEPTH_RANGE feature with + * cogl_has_feature() to know if this function will succeed. + * + * By default normalized device coordinate depth values are mapped to + * the full range of depth buffer values, [0, 1]. + * + * NB: this won't directly affect the state of the GPU. You have + * to then set the state on a #CoglPipeline using + * cogl_pipeline_set_depth_state(). + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_depth_state_set_range (CoglDepthState *state, + float near_val, + float far_val); + +/** + * cogl_depth_state_get_range: + * @state: A #CoglDepthState object + * @near_val: A pointer to store the near component of the depth range + * @far_val: A pointer to store the far component of the depth range + * + * Gets the current range to which normalized depth values are mapped + * before writing to the depth buffer. This corresponds to the range + * set with cogl_depth_state_set_range(). + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_depth_state_get_range (CoglDepthState *state, + float *near_val, + float *far_val); + +COGL_END_DECLS + +#endif /* __COGL_DEPTH_STATE_H__ */ diff --git a/cogl/cogl-display-private.h b/cogl/cogl-display-private.h new file mode 100644 index 0000000..db72984 --- /dev/null +++ b/cogl/cogl-display-private.h @@ -0,0 +1,58 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_DISPLAY_PRIVATE_H +#define __COGL_DISPLAY_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-display.h" +#include "cogl-renderer.h" +#include "cogl-onscreen-template.h" + +struct _CoglDisplay +{ + CoglObject _parent; + + CoglBool setup; + CoglRenderer *renderer; + CoglOnscreenTemplate *onscreen_template; + +#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT + struct wl_display *wayland_compositor_display; +#endif + +#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT + gdl_plane_id_t gdl_plane; +#endif + + void *winsys; +}; + +#endif /* __COGL_DISPLAY_PRIVATE_H */ diff --git a/cogl/cogl-display.c b/cogl/cogl-display.c new file mode 100644 index 0000000..ced922f --- /dev/null +++ b/cogl/cogl-display.c @@ -0,0 +1,182 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-private.h" +#include "cogl-object.h" + +#include "cogl-display-private.h" +#include "cogl-renderer-private.h" +#include "cogl-winsys-private.h" +#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT +#include "cogl-wayland-server.h" +#endif +#include "cogl-gtype-private.h" + +static void _cogl_display_free (CoglDisplay *display); + +COGL_OBJECT_DEFINE (Display, display); +COGL_GTYPE_DEFINE_CLASS (Display, display); + +static const CoglWinsysVtable * +_cogl_display_get_winsys (CoglDisplay *display) +{ + return display->renderer->winsys_vtable; +} + +static void +_cogl_display_free (CoglDisplay *display) +{ + const CoglWinsysVtable *winsys; + + if (display->setup) + { + winsys = _cogl_display_get_winsys (display); + winsys->display_destroy (display); + display->setup = FALSE; + } + + if (display->renderer) + { + cogl_object_unref (display->renderer); + display->renderer = NULL; + } + + if (display->onscreen_template) + { + cogl_object_unref (display->onscreen_template); + display->onscreen_template = NULL; + } + + g_slice_free (CoglDisplay, display); +} + +CoglDisplay * +cogl_display_new (CoglRenderer *renderer, + CoglOnscreenTemplate *onscreen_template) +{ + CoglDisplay *display = g_slice_new0 (CoglDisplay); + CoglError *error = NULL; + + _cogl_init (); + + display->renderer = renderer; + if (renderer) + cogl_object_ref (renderer); + else + display->renderer = cogl_renderer_new (); + + if (!cogl_renderer_connect (display->renderer, &error)) + g_error ("Failed to connect to renderer: %s\n", error->message); + + display->setup = FALSE; + +#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT + display->gdl_plane = GDL_PLANE_ID_UPP_C; +#endif + + display = _cogl_display_object_new (display); + + cogl_display_set_onscreen_template (display, onscreen_template); + + return display; +} + +CoglRenderer * +cogl_display_get_renderer (CoglDisplay *display) +{ + return display->renderer; +} + +void +cogl_display_set_onscreen_template (CoglDisplay *display, + CoglOnscreenTemplate *onscreen_template) +{ + _COGL_RETURN_IF_FAIL (display->setup == FALSE); + + if (onscreen_template) + cogl_object_ref (onscreen_template); + + if (display->onscreen_template) + cogl_object_unref (display->onscreen_template); + + display->onscreen_template = onscreen_template; + + /* NB: we want to maintain the invariable that there is always an + * onscreen template associated with a CoglDisplay... */ + if (!onscreen_template) + display->onscreen_template = cogl_onscreen_template_new (NULL); +} + +CoglBool +cogl_display_setup (CoglDisplay *display, + CoglError **error) +{ + const CoglWinsysVtable *winsys; + + if (display->setup) + return TRUE; + + winsys = _cogl_display_get_winsys (display); + if (!winsys->display_setup (display, error)) + return FALSE; + + display->setup = TRUE; + + return TRUE; +} + +#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT +void +cogl_gdl_display_set_plane (CoglDisplay *display, + gdl_plane_id_t plane) +{ + _COGL_RETURN_IF_FAIL (display->setup == FALSE); + + display->gdl_plane = plane; +} +#endif + +#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT +void +cogl_wayland_display_set_compositor_display (CoglDisplay *display, + struct wl_display *wayland_display) +{ + _COGL_RETURN_IF_FAIL (display->setup == FALSE); + + display->wayland_compositor_display = wayland_display; +} +#endif diff --git a/cogl/cogl-display.h b/cogl/cogl-display.h new file mode 100644 index 0000000..ae3f3c9 --- /dev/null +++ b/cogl/cogl-display.h @@ -0,0 +1,234 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_DISPLAY_H__ +#define __COGL_DISPLAY_H__ + +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT +#include +#endif + +/** + * SECTION:cogl-display + * @short_description: Common aspects of a display pipeline + * + * The basic intention for this object is to let the application + * configure common display preferences before creating a context, and + * there are a few different aspects to this... + * + * Firstly there are options directly relating to the physical display + * pipeline that is currently being used including the digital to + * analogue conversion hardware and the screens the user sees. + * + * Another aspect is that display options may constrain or affect how + * onscreen framebuffers should later be configured. The original + * rationale for the display object in fact was to let us handle GLX + * and EGLs requirements that framebuffers must be "compatible" with + * the config associated with the current context meaning we have to + * force the user to describe how they would like to create their + * onscreen windows before we can choose a suitable fbconfig and + * create a GLContext. + */ + +typedef struct _CoglDisplay CoglDisplay; + +#define COGL_DISPLAY(OBJECT) ((CoglDisplay *)OBJECT) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_display_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_display_get_gtype (void); +#endif + +/** + * cogl_display_new: + * @renderer: A #CoglRenderer + * @onscreen_template: A #CoglOnscreenTemplate + * + * Explicitly allocates a new #CoglDisplay object to encapsulate the + * common state of the display pipeline that applies to the whole + * application. + * + * Many applications don't need to explicitly use + * cogl_display_new() and can just jump straight to cogl_context_new() + * and pass a %NULL display argument so Cogl will automatically + * connect and setup a renderer and display. + * + * A @display can only be made for a specific choice of renderer which + * is why this takes the @renderer argument. + * + * A common use for explicitly allocating a display object is to + * define a template for allocating onscreen framebuffers which is + * what the @onscreen_template argument is for, or alternatively + * you can use cogl_display_set_onscreen_template(). + * + * When a display is first allocated via cogl_display_new() it is in a + * mutable configuration mode. It's designed this way so we can + * extend the apis available for configuring a display without + * requiring huge numbers of constructor arguments. + * + * When you have finished configuring a display object you can + * optionally call cogl_display_setup() to explicitly apply the + * configuration and check for errors. Alternaitvely you can pass the + * display to cogl_context_new() and Cogl will implicitly apply your + * configuration but if there are errors then the application will + * abort with a message. For simple applications with no fallback + * options then relying on the implicit setup can be fine. + * + * Return value: (transfer full): A newly allocated #CoglDisplay + * object in a mutable configuration mode. + * Since: 1.10 + * Stability: unstable + */ +CoglDisplay * +cogl_display_new (CoglRenderer *renderer, + CoglOnscreenTemplate *onscreen_template); + +/** + * cogl_display_get_renderer: + * @display: a #CoglDisplay + * + * Queries the #CoglRenderer associated with the given @display. + * + * Return value: (transfer none): The associated #CoglRenderer + * + * Since: 1.10 + * Stability: unstable + */ +CoglRenderer * +cogl_display_get_renderer (CoglDisplay *display); + +/** + * cogl_display_set_onscreen_template: + * @display: a #CoglDisplay + * @onscreen_template: A template for creating #CoglOnscreen framebuffers + * + * Specifies a template for creating #CoglOnscreen framebuffers. + * + * Depending on the system, the constraints for creating #CoglOnscreen + * framebuffers need to be known before setting up a #CoglDisplay because the + * final setup of the display may constrain how onscreen framebuffers may be + * allocated. If Cogl knows how an application wants to allocate onscreen + * framebuffers then it can try to make sure to setup the display accordingly. + * + * Since: 1.16 + * Stability: unstable + */ +void +cogl_display_set_onscreen_template (CoglDisplay *display, + CoglOnscreenTemplate *onscreen_template); + +/** + * cogl_display_setup: + * @display: a #CoglDisplay + * @error: return location for a #CoglError + * + * Explicitly sets up the given @display object. Use of this api is + * optional since Cogl will internally setup the display if not done + * explicitly. + * + * When a display is first allocated via cogl_display_new() it is in a + * mutable configuration mode. This allows us to extend the apis + * available for configuring a display without requiring huge numbers + * of constructor arguments. + * + * Its possible to request a configuration that might not be + * supportable on the current system and so this api provides a means + * to apply the configuration explicitly but if it fails then an + * exception will be returned so you can handle the error gracefully + * and perhaps fall back to an alternative configuration. + * + * If you instead rely on Cogl implicitly calling cogl_display_setup() + * for you then if there is an error with the configuration you won't + * get an opportunity to handle that and the application may abort + * with a message. For simple applications that don't have any + * fallback options this behaviour may be fine. + * + * Return value: Returns %TRUE if there was no error, else it returns + * %FALSE and returns an exception via @error. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_display_setup (CoglDisplay *display, + CoglError **error); + +#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT +/** + * cogl_gdl_display_set_plane: + * @display: a #CoglDisplay + * @plane: the GDL plane id + * + * Request that Cogl output to a specific GDL overlay @plane. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_gdl_display_set_plane (CoglDisplay *display, + gdl_plane_id_t plane); +#endif + +/** + * cogl_is_display: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a #CoglDisplay. + * + * Return value: %TRUE if the object references a #CoglDisplay + * and %FALSE otherwise. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_is_display (void *object); + +COGL_END_DECLS + +#endif /* __COGL_DISPLAY_H__ */ + diff --git a/cogl/cogl-driver.h b/cogl/cogl-driver.h new file mode 100644 index 0000000..648228c --- /dev/null +++ b/cogl/cogl-driver.h @@ -0,0 +1,268 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_DRIVER_H +#define __COGL_DRIVER_H + +#include "cogl-context.h" +#include "cogl-offscreen.h" +#include "cogl-framebuffer-private.h" +#include "cogl-attribute-private.h" + +typedef struct _CoglDriverVtable CoglDriverVtable; + +struct _CoglDriverVtable +{ + /* TODO: factor this out since this is OpenGL specific and + * so can be ignored by non-OpenGL drivers. */ + CoglBool + (* pixel_format_from_gl_internal) (CoglContext *context, + GLenum gl_int_format, + CoglPixelFormat *out_format); + + /* TODO: factor this out since this is OpenGL specific and + * so can be ignored by non-OpenGL drivers. */ + CoglPixelFormat + (* pixel_format_to_gl) (CoglContext *context, + CoglPixelFormat format, + GLenum *out_glintformat, + GLenum *out_glformat, + GLenum *out_gltype); + + CoglBool + (* update_features) (CoglContext *context, + CoglError **error); + + CoglBool + (* offscreen_allocate) (CoglOffscreen *offscreen, + CoglError **error); + + void + (* offscreen_free) (CoglOffscreen *offscreen); + + void + (* framebuffer_flush_state) (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer, + CoglFramebufferState state); + + void + (* framebuffer_clear) (CoglFramebuffer *framebuffer, + unsigned long buffers, + float red, + float green, + float blue, + float alpha); + + void + (* framebuffer_query_bits) (CoglFramebuffer *framebuffer, + CoglFramebufferBits *bits); + + void + (* framebuffer_finish) (CoglFramebuffer *framebuffer); + + void + (* framebuffer_discard_buffers) (CoglFramebuffer *framebuffer, + unsigned long buffers); + + void + (* framebuffer_draw_attributes) (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags); + + void + (* framebuffer_draw_indexed_attributes) (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags); + + CoglBool + (* framebuffer_read_pixels_into_bitmap) (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap, + CoglError **error); + + /* Destroys any driver specific resources associated with the given + * 2D texture. */ + void + (* texture_2d_free) (CoglTexture2D *tex_2d); + + /* Returns TRUE if the driver can support creating a 2D texture with + * the given geometry and specified internal format. + */ + CoglBool + (* texture_2d_can_create) (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format); + + /* Initializes driver private state before allocating any specific + * storage for a 2D texture, where base texture and texture 2D + * members will already be initialized before passing control to + * the driver. + */ + void + (* texture_2d_init) (CoglTexture2D *tex_2d); + + /* Allocates (uninitialized) storage for the given texture according + * to the configured size and format of the texture */ + CoglBool + (* texture_2d_allocate) (CoglTexture *tex, + CoglError **error); + + /* Initialize the specified region of storage of the given texture + * with the contents of the specified framebuffer region + */ + void + (* texture_2d_copy_from_framebuffer) (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglFramebuffer *src_fb, + int dst_x, + int dst_y, + int level); + + /* If the given texture has a corresponding OpenGL texture handle + * then return that. + * + * This is optional + */ + unsigned int + (* texture_2d_get_gl_handle) (CoglTexture2D *tex_2d); + + /* Update all mipmap levels > 0 */ + void + (* texture_2d_generate_mipmap) (CoglTexture2D *tex_2d); + + /* Initialize the specified region of storage of the given texture + * with the contents of the specified bitmap region + * + * Since this may need to create the underlying storage first + * it may throw a NO_MEMORY error. + */ + CoglBool + (* texture_2d_copy_from_bitmap) (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglBitmap *bitmap, + int dst_x, + int dst_y, + int level, + CoglError **error); + + /* Reads back the full contents of the given texture and write it to + * @data in the given @format and with the given @rowstride. + * + * This is optional + */ + void + (* texture_2d_get_data) (CoglTexture2D *tex_2d, + CoglPixelFormat format, + int rowstride, + uint8_t *data); + + /* Prepares for drawing by flushing the journal, framebuffer state, + * pipeline state and attribute state. + */ + void + (* flush_attributes_state) (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglFlushLayerState *layer_state, + CoglDrawFlags flags, + CoglAttribute **attributes, + int n_attributes); + + /* Flushes the clip stack to the GPU using a combination of the + * stencil buffer, scissor and clip plane state. + */ + void + (* clip_stack_flush) (CoglClipStack *stack, CoglFramebuffer *framebuffer); + + /* Enables the driver to create some meta data to represent a buffer + * but with no corresponding storage allocated yet. + */ + void + (* buffer_create) (CoglBuffer *buffer); + + void + (* buffer_destroy) (CoglBuffer *buffer); + + /* Maps a buffer into the CPU */ + void * + (* buffer_map_range) (CoglBuffer *buffer, + size_t offset, + size_t size, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error); + + /* Unmaps a buffer */ + void + (* buffer_unmap) (CoglBuffer *buffer); + + /* Uploads data to the buffer without needing to map it necessarily + */ + CoglBool + (* buffer_set_data) (CoglBuffer *buffer, + unsigned int offset, + const void *data, + unsigned int size, + CoglError **error); +}; + +#define COGL_DRIVER_ERROR (_cogl_driver_error_quark ()) + +typedef enum { /*< prefix=COGL_DRIVER_ERROR >*/ + COGL_DRIVER_ERROR_UNKNOWN_VERSION, + COGL_DRIVER_ERROR_INVALID_VERSION, + COGL_DRIVER_ERROR_NO_SUITABLE_DRIVER_FOUND, + COGL_DRIVER_ERROR_FAILED_TO_LOAD_LIBRARY +} CoglDriverError; + +uint32_t +_cogl_driver_error_quark (void); + +#endif /* __COGL_DRIVER_H */ + diff --git a/cogl/cogl-egl-defines.h.in b/cogl/cogl-egl-defines.h.in new file mode 100644 index 0000000..648a62d --- /dev/null +++ b/cogl/cogl-egl-defines.h.in @@ -0,0 +1,40 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_EGL_DEFINES_H__ +#define __COGL_EGL_DEFINES_H__ + +#ifdef COGL_HAS_EGL_SUPPORT + +@COGL_EGL_INCLUDES@ + +#endif /* COGL_HAS_EGL_SUPPORT */ + +#endif diff --git a/cogl/cogl-egl-private.h b/cogl/cogl-egl-private.h new file mode 100644 index 0000000..c4b0dfe --- /dev/null +++ b/cogl/cogl-egl-private.h @@ -0,0 +1,40 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_EGL_PRIVATE_H__ +#define __COGL_EGL_PRIVATE_H__ + +#include "cogl-egl-defines.h" + +#ifndef GL_OES_EGL_image +#define GLeglImageOES void * +#endif + +#endif /* __COGL_EGL_PRIVATE_H__ */ diff --git a/cogl/cogl-egl.h b/cogl/cogl-egl.h new file mode 100644 index 0000000..cea7b10 --- /dev/null +++ b/cogl/cogl-egl.h @@ -0,0 +1,118 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_EGL_H__ +#define __COGL_EGL_H__ + +/* NB: this is a top-level header that can be included directly but we + * want to be careful not to define __COGL_H_INSIDE__ when this is + * included internally while building Cogl itself since + * __COGL_H_INSIDE__ is used in headers to guard public vs private api + * definitions + */ +#ifndef COGL_COMPILATION + +/* Note: When building Cogl .gir we explicitly define + * __COGL_EGL_H_INSIDE__ */ +#ifndef __COGL_EGL_H_INSIDE__ +#define __COGL_EGL_H_INSIDE__ +#endif + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* COGL_COMPILATION */ + + +#include +#include + +COGL_BEGIN_DECLS + +/** + * cogl_egl_context_get_egl_display: + * @context: A #CoglContext pointer + * + * If you have done a runtime check to determine that Cogl is using + * EGL internally then this API can be used to retrieve the EGLDisplay + * handle that was setup internally. The result is undefined if Cogl + * is not using EGL. + * + * Note: The current window system backend can be checked using + * cogl_renderer_get_winsys_id(). + * + * Return value: The internally setup EGLDisplay handle. + * Since: 1.8 + * Stability: unstable + */ +EGLDisplay +cogl_egl_context_get_egl_display (CoglContext *context); + +/** + * cogl_egl_context_get_egl_context: + * @context: A #CoglContext pointer + * + * If you have done a runtime check to determine that Cogl is using + * EGL internally then this API can be used to retrieve the EGLContext + * handle that was setup internally. The result is undefined if Cogl + * is not using EGL. + * + * Note: The current window system backend can be checked using + * cogl_renderer_get_winsys_id(). + * + * Return value: The internally setup EGLDisplay handle. + * Since: 1.18 + * Stability: unstable + */ +EGLContext +cogl_egl_context_get_egl_context (CoglContext *context); + + +COGL_END_DECLS + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_EGL_H_INSIDE__ +#undef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_EGL_H__ */ diff --git a/cogl/cogl-enum-types.c.in b/cogl/cogl-enum-types.c.in new file mode 100644 index 0000000..a08711b --- /dev/null +++ b/cogl/cogl-enum-types.c.in @@ -0,0 +1,50 @@ +/*** BEGIN file-header ***/ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* We need to undefine this so that we will be sure to include + * cogl-path.h instead of cogl2-path.h when we include the framebuffer + * header. Otherwise it will include both headers and it won't + * compile. */ +#undef COGL_ENABLE_EXPERIMENTAL_2_0_API + +#include "cogl-enum-types.h" +/*** END file-header ***/ + +/*** BEGIN file-production ***/ + +/* enumerations from "@filename@" */ +#include "@filename@" + +/*** END file-production ***/ + +/*** BEGIN value-header ***/ +GType +@enum_name@_get_type (void) +{ + static volatile gsize g_enum_type_id__volatile = 0; + + if (g_once_init_enter (&g_enum_type_id__volatile)) + { + static const G@Type@Value values[] = { +/*** END value-header ***/ + +/*** BEGIN value-production ***/ + { @VALUENAME@, "@VALUENAME@", "@valuenick@" }, +/*** END value-production ***/ + +/*** BEGIN value-tail ***/ + { 0, NULL, NULL } + }; + GType g_enum_type_id; + + g_enum_type_id = + g_@type@_register_static (g_intern_static_string ("@EnumName@"), values); + + g_once_init_leave (&g_enum_type_id__volatile, g_enum_type_id); + } + + return g_enum_type_id__volatile; +} +/*** END value-tail ***/ diff --git a/cogl/cogl-enum-types.h.in b/cogl/cogl-enum-types.h.in new file mode 100644 index 0000000..14bfccc --- /dev/null +++ b/cogl/cogl-enum-types.h.in @@ -0,0 +1,25 @@ +/*** BEGIN file-header ***/ +#ifndef __COGL_ENUM_TYPES_H__ +#define __COGL_ENUM_TYPES_H__ + +#include + +G_BEGIN_DECLS + +/*** END file-header ***/ + +/*** BEGIN file-production ***/ +/* enumerations from "@filename@" */ +/*** END file-production ***/ + +/*** BEGIN file-tail ***/ +G_END_DECLS + +#endif /* __COGL_ENUM_TYPES_H__ */ +/*** END file-tail ***/ + +/*** BEGIN value-header ***/ +GType @enum_name@_get_type (void) G_GNUC_CONST; +#define COGL_TYPE_@ENUMSHORT@ (@enum_name@_get_type()) + +/*** END value-header ***/ diff --git a/cogl/cogl-error-private.h b/cogl/cogl-error-private.h new file mode 100644 index 0000000..d96779f --- /dev/null +++ b/cogl/cogl-error-private.h @@ -0,0 +1,59 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_ERROR_PRIVATE_H__ +#define __COGL_ERROR_PRIVATE_H__ + +#include "cogl-error.h" + +void +_cogl_set_error (CoglError **error, + uint32_t domain, + int code, + const char *format, + ...) G_GNUC_PRINTF (4, 5); + +void +_cogl_set_error_literal (CoglError **error, + uint32_t domain, + int code, + const char *message); + +void +_cogl_propagate_error (CoglError **dest, + CoglError *src); + +#ifdef COGL_HAS_GLIB_SUPPORT +void +_cogl_propagate_gerror (CoglError **dest, + GError *src); +#endif /* COGL_HAS_GLIB_SUPPORT */ + +#define _cogl_clear_error(X) g_clear_error ((GError **)X) + +#endif /* __COGL_ERROR_PRIVATE_H__ */ diff --git a/cogl/cogl-error.c b/cogl/cogl-error.c new file mode 100644 index 0000000..d83afc3 --- /dev/null +++ b/cogl/cogl-error.c @@ -0,0 +1,135 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-types.h" +#include "cogl-util.h" +#include "cogl-error-private.h" + +#include + +void +cogl_error_free (CoglError *error) +{ + g_error_free ((GError *)error); +} + +CoglError * +cogl_error_copy (CoglError *error) +{ + return (CoglError *)g_error_copy ((GError *)error); +} + +CoglBool +cogl_error_matches (CoglError *error, + uint32_t domain, + int code) +{ + return g_error_matches ((GError *)error, domain, code); +} + +#define ERROR_OVERWRITTEN_WARNING \ + "CoglError set over the top of a previous CoglError or " \ + "uninitialized memory.\nThis indicates a bug in someone's " \ + "code. You must ensure an error is NULL before it's set.\n" \ + "The overwriting error message was: %s" + +void +_cogl_set_error (CoglError **error, + uint32_t domain, + int code, + const char *format, + ...) +{ + GError *new; + + va_list args; + + va_start (args, format); + + if (error == NULL) + { + g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, format, args); + va_end (args); + return; + } + + new = g_error_new_valist (domain, code, format, args); + va_end (args); + + if (*error == NULL) + *error = (CoglError *)new; + else + g_warning (ERROR_OVERWRITTEN_WARNING, new->message); +} + +void +_cogl_set_error_literal (CoglError **error, + uint32_t domain, + int code, + const char *message) +{ + _cogl_set_error (error, domain, code, "%s", message); +} + +void +_cogl_propagate_error (CoglError **dest, + CoglError *src) +{ + _COGL_RETURN_IF_FAIL (src != NULL); + + if (dest == NULL) + { + g_log (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, "%s", src->message); + cogl_error_free (src); + } + else if (*dest) + g_warning (ERROR_OVERWRITTEN_WARNING, src->message); + else + *dest = src; +} + +/* This function is only used from the gdk-pixbuf image backend so it + * should only be called if we are using the system GLib. It would be + * difficult to get this to work without the system glib because we + * would need to somehow call the same g_error_free function that + * gdk-pixbuf is using */ +#ifdef COGL_HAS_GLIB_SUPPORT +void +_cogl_propagate_gerror (CoglError **dest, + GError *src) +{ + _cogl_propagate_error (dest, (CoglError *) src); +} +#endif /* COGL_HAS_GLIB_SUPPORT */ diff --git a/cogl/cogl-error.h b/cogl/cogl-error.h new file mode 100644 index 0000000..8682d0e --- /dev/null +++ b/cogl/cogl-error.h @@ -0,0 +1,185 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_ERROR_H__ +#define __COGL_ERROR_H__ + +#include "cogl-types.h" + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-error + * @short_description: A way for Cogl to throw exceptions + * + * As a general rule Cogl shields non-recoverable errors from + * developers, such as most heap allocation failures (unless for + * exceptionally large resources which we might reasonably expect to + * fail) and this reduces the burden on developers. + * + * There are some Cogl apis though that can fail for exceptional + * reasons that can also potentially be recovered from at runtime + * and for these apis we use a standard convention for reporting + * runtime recoverable errors. + * + * As an example if we look at the cogl_context_new() api which + * takes an error argument: + * |[ + * CoglContext * + * cogl_context_new (CoglDisplay *display, CoglError **error); + * ]| + * + * A caller interested in catching any runtime error when creating a + * new #CoglContext would pass the address of a #CoglError pointer + * that has first been initialized to %NULL as follows: + * + * |[ + * CoglError *error = NULL; + * CoglContext *context; + * + * context = cogl_context_new (NULL, &error); + * ]| + * + * The return status should usually be enough to determine if there + * was an error set (in this example we can check if context == %NULL) + * but if it's not possible to tell from the function's return status + * you can instead look directly at the error pointer which you + * initialized to %NULL. In this example we now check the error, + * report any error to the user, free the error and then simply + * abort without attempting to recover. + * + * |[ + * if (context == NULL) + * { + * fprintf (stderr, "Failed to create a Cogl context: %s\n", + * error->message); + * cogl_error_free (error); + * abort (); + * } + * ]| + * + * All Cogl APIs that accept an error argument can also be passed a + * %NULL pointer. In this case if an exceptional error condition is hit + * then Cogl will simply log the error message and abort the + * application. This can be compared to language execeptions where the + * developer has not attempted to catch the exception. This means the + * above example is essentially redundant because it's what Cogl would + * have done automatically and so, similarly, if your application has + * no way to recover from a particular error you might just as well + * pass a %NULL #CoglError pointer to save a bit of typing. + * + * If you are used to using the GLib API you will probably + * recognize that #CoglError is just like a #GError. In fact if Cogl + * has been built with --enable-glib then it is safe to cast a + * #CoglError to a #GError. + * + * An important detail to be aware of if you are used to using + * GLib's GError API is that Cogl deviates from the GLib GError + * conventions in one noteable way which is that a %NULL error pointer + * does not mean you want to ignore the details of an error, it means + * you are not trying to catch any exceptional errors the function might + * throw which will result in the program aborting with a log message + * if an error is thrown. + */ + +#ifdef COGL_HAS_GLIB_SUPPORT +#define CoglError GError +#else +/** + * CoglError: + * @domain: A high-level domain identifier for the error + * @code: A specific error code within a specified domain + * @message: A human readable error message + */ +typedef struct _CoglError { + uint32_t domain; + int code; + char *message; +} CoglError; +#endif /* COGL_HAS_GLIB_SUPPORT */ + +/** + * cogl_error_free: + * @error: A #CoglError thrown by the Cogl api + * + * Frees a #CoglError and associated resources. + */ +void +cogl_error_free (CoglError *error); + +/** + * cogl_error_copy: + * @error: A #CoglError thrown by the Cogl api + * + * Makes a copy of @error which can later be freed using + * cogl_error_free(). + * + * Return value: A newly allocated #CoglError initialized to match the + * contents of @error. + */ +CoglError * +cogl_error_copy (CoglError *error); + +/** + * cogl_error_matches: + * @error: A #CoglError thrown by the Cogl api or %NULL + * @domain: The error domain + * @code: The error code + * + * Returns %TRUE if error matches @domain and @code, %FALSE otherwise. + * In particular, when error is %NULL, FALSE will be returned. + * + * Return value: whether the @error corresponds to the given @domain + * and @code. + */ +CoglBool +cogl_error_matches (CoglError *error, + uint32_t domain, + int code); + +/** + * COGL_GLIB_ERROR: + * @COGL_ERROR: A #CoglError thrown by the Cogl api or %NULL + * + * Simply casts a #CoglError to a #CoglError + * + * If Cogl is built with GLib support then it can safely be assumed + * that a CoglError is a GError and can be used directly with the + * GError api. + */ +#ifdef COGL_HAS_GLIB_SUPPORT +#define COGL_GLIB_ERROR(COGL_ERROR) ((CoglError *)COGL_ERROR) +#endif + +COGL_END_DECLS + +#endif /* __COGL_ERROR_H__ */ diff --git a/cogl/cogl-euler.c b/cogl/cogl-euler.c new file mode 100644 index 0000000..f877bbc --- /dev/null +++ b/cogl/cogl-euler.c @@ -0,0 +1,198 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include +#include "cogl-gtype-private.h" + +#include +#include + +COGL_GTYPE_DEFINE_BOXED (Euler, euler, + cogl_euler_copy, + cogl_euler_free); + +void +cogl_euler_init (CoglEuler *euler, + float heading, + float pitch, + float roll) +{ + euler->heading = heading; + euler->pitch = pitch; + euler->roll = roll; +} + +void +cogl_euler_init_from_matrix (CoglEuler *euler, + const CoglMatrix *matrix) +{ + /* + * Extracting a canonical Euler angle from a matrix: + * (where it is assumed the matrix contains no scaling, mirroring or + * skewing) + * + * A Euler angle is a combination of three rotations around mutually + * perpendicular axis. For this algorithm they are: + * + * Heading: A rotation about the Y axis by an angle H: + * | cosH 0 sinH| + * | 0 1 0| + * |-sinH 0 cosH| + * + * Pitch: A rotation around the X axis by an angle P: + * |1 0 0| + * |0 cosP -sinP| + * |0 sinP cosP| + * + * Roll: A rotation about the Z axis by an angle R: + * |cosR -sinR 0| + * |sinR cosR 0| + * | 0 0 1| + * + * When multiplied as matrices this gives: + * | cosHcosR+sinHsinPsinR sinRcosP -sinHcosR+cosHsinPsinR| + * M = |-cosHsinR+sinHsinPcosR cosRcosP sinRsinH+cosHsinPcosB| + * | sinHcosP -sinP cosHcosP | + * + * Given that there are an infinite number of ways to represent + * a given orientation, the "canonical" Euler angle is any such that: + * -180 < H < 180, + * -180 < R < 180 and + * -90 < P < 90 + * + * M[3][2] = -sinP lets us immediately solve for P = asin(-M[3][2]) + * (Note: asin has a range of +-90) + * This gives cosP + * This means we can use M[3][1] to calculate sinH: + * sinH = M[3][1]/cosP + * And use M[3][3] to calculate cosH: + * cosH = M[3][3]/cosP + * This lets us calculate H = atan2(sinH,cosH), but we optimise this: + * 1st note: atan2(x, y) does: atan(x/y) and uses the sign of x and y to + * determine the quadrant of the final angle. + * 2nd note: we know cosP is > 0 (ignoring cosP == 0) + * Therefore H = atan2((M[3][1]/cosP) / (M[3][3]/cosP)) can be simplified + * by skipping the division by cosP since it won't change the x/y ratio + * nor will it change their sign. This gives: + * H = atan2(M[3][1], M[3][3]) + * R is computed in the same way as H from M[1][2] and M[2][2] so: + * R = atan2(M[1][2], M[2][2]) + * Note: If cosP were == 0 then H and R could not be calculated as above + * because all the necessary matrix values would == 0. In other words we are + * pitched vertically and so H and R would now effectively rotate around the + * same axis - known as "Gimbal lock". In this situation we will set all the + * rotation on H and set R = 0. + * So with P = R = 0 we have cosP = 0, sinR = 0 and cosR = 1 + * We can substitute those into the above equation for M giving: + * | cosH 0 -sinH| + * |sinHsinP 0 cosHsinP| + * | 0 -sinP 0| + * And calculate H as atan2 (-M[3][2], M[1][1]) + */ + + float sinP; + float H; /* heading */ + float P; /* pitch */ + float R; /* roll */ + + /* NB: CoglMatrix provides struct members named according to the + * [row][column] indexed. So matrix->zx is row 3 column 1. */ + sinP = -matrix->zy; + + /* Determine the Pitch, avoiding domain errors with asin () which + * might occur due to previous imprecision in manipulating the + * matrix. */ + if (sinP <= -1.0f) + P = -G_PI_2; + else if (sinP >= 1.0f) + P = G_PI_2; + else + P = asinf (sinP); + + /* If P is too close to 0 then we have hit Gimbal lock */ + if (sinP > 0.999f) + { + H = atan2f (-matrix->zy, matrix->xx); + R = 0; + } + else + { + H = atan2f (matrix->zx, matrix->zz); + R = atan2f (matrix->xy, matrix->yy); + } + + euler->heading = H; + euler->pitch = P; + euler->roll = R; +} + +CoglBool +cogl_euler_equal (const void *v1, const void *v2) +{ + const CoglEuler *a = v1; + const CoglEuler *b = v2; + + _COGL_RETURN_VAL_IF_FAIL (v1 != NULL, FALSE); + _COGL_RETURN_VAL_IF_FAIL (v2 != NULL, FALSE); + + if (v1 == v2) + return TRUE; + + return (a->heading == b->heading && + a->pitch == b->pitch && + a->roll == b->roll); +} + +CoglEuler * +cogl_euler_copy (const CoglEuler *src) +{ + if (G_LIKELY (src)) + { + CoglEuler *new = g_slice_new (CoglEuler); + memcpy (new, src, sizeof (float) * 3); + return new; + } + else + return NULL; +} + +void +cogl_euler_free (CoglEuler *euler) +{ + g_slice_free (CoglEuler, euler); +} + diff --git a/cogl/cogl-euler.h b/cogl/cogl-euler.h new file mode 100644 index 0000000..4ccbb2a --- /dev/null +++ b/cogl/cogl-euler.h @@ -0,0 +1,269 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_EULER_H +#define __COGL_EULER_H + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-euler + * @short_description: Functions for initializing and manipulating + * euler angles. + * + * Euler angles are a simple representation of a 3 dimensional + * rotation; comprised of 3 ordered heading, pitch and roll rotations. + * An important thing to understand is that the axis of rotation + * belong to the object being rotated and so they also rotate as each + * of the heading, pitch and roll rotations are applied. + * + * One way to consider euler angles is to imagine controlling an + * aeroplane, where you first choose a heading (Such as flying south + * east), then you set the pitch (such as 30 degrees to take off) and + * then you might set a roll, by dipping the left, wing as you prepare + * to turn. + * + * They have some advantages and limitations that it helps to be + * aware of: + * + * Advantages: + * + * + * Easy to understand and use, compared to quaternions and matrices, + * so may be a good choice for a user interface. + * + * + * Efficient storage, needing only 3 components any rotation can be + * represented. + * Actually the #CoglEuler type isn't optimized for size because + * we may cache the equivalent #CoglQuaternion along with a euler + * rotation, but it would be trivial for an application to track the + * components of euler rotations in a packed float array if optimizing + * for size was important. The values could be passed to Cogl only when + * manipulation is necessary. + * + * + * + * Disadvantages: + * + * + * Aliasing: it's possible to represent some rotations with multiple + * different heading, pitch and roll rotations. + * + * + * They can suffer from a problem called Gimbal Lock. A good + * explanation of this can be seen on wikipedia here: + * http://en.wikipedia.org/wiki/Gimbal_lock but basically two + * of the axis of rotation may become aligned and so you loose a + * degree of freedom. For example a pitch of +-90° would mean that + * heading and bank rotate around the same axis. + * + * + * If you use euler angles to orient something in 3D space and try to + * transition between orientations by interpolating the component + * angles you probably wont get the transitions you expect as they may + * not follow the shortest path between the two orientations. + * + * + * There's no standard to what order the component axis rotations are + * applied. The most common convention seems to be what we do in Cogl + * with heading (y-axis), pitch (x-axis) and then roll (z-axis), but + * other software might apply x-axis, y-axis then z-axis or any other + * order so you need to consider this if you are accepting euler + * rotations from some other software. Other software may also use + * slightly different aeronautical terms, such as "yaw" instead of + * "heading" or "bank" instead of "roll". + * + * + * + * To minimize the aliasing issue we may refer to "Canonical Euler" + * angles where heading and roll are restricted to +- 180° and pitch is + * restricted to +- 90°. If pitch is +- 90° bank is set to 0°. + * + * Quaternions don't suffer from Gimbal Lock and they can be nicely + * interpolated between, their disadvantage is that they don't have an + * intuitive representation. + * + * A common practice is to accept angles in the intuitive Euler form + * and convert them to quaternions internally to avoid Gimbal Lock and + * handle interpolations. See cogl_quaternion_init_from_euler(). + */ + +/** + * CoglEuler: + * @heading: Angle to rotate around an object's y axis + * @pitch: Angle to rotate around an object's x axis + * @roll: Angle to rotate around an object's z axis + * + * Represents an ordered rotation first of @heading degrees around an + * object's y axis, then @pitch degrees around an object's x axis and + * finally @roll degrees around an object's z axis. + * + * It's important to understand the that axis are associated + * with the object being rotated, so the axis also rotate in sequence + * with the rotations being applied. + * + * The members of a #CoglEuler can be initialized, for example, with + * cogl_euler_init() and cogl_euler_init_from_quaternion (). + * + * You may also want to look at cogl_quaternion_init_from_euler() if + * you want to do interpolation between 3d rotations. + * + * Since: 2.0 + */ +struct _CoglEuler +{ + /*< public > */ + float heading; + float pitch; + float roll; + + /*< private > */ + /* May cached a quaternion here in the future */ + float padding0; + float padding1; + float padding2; + float padding3; + float padding4; +}; +COGL_STRUCT_SIZE_ASSERT (CoglEuler, 32); + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_euler_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_euler_get_gtype (void); +#endif + +/** + * cogl_euler_init: + * @euler: The #CoglEuler angle to initialize + * @heading: Angle to rotate around an object's y axis + * @pitch: Angle to rotate around an object's x axis + * @roll: Angle to rotate around an object's z axis + * + * Initializes @euler to represent a rotation of @x_angle degrees + * around the x axis, then @y_angle degrees around the y_axis and + * @z_angle degrees around the z axis. + * + * Since: 2.0 + */ +void +cogl_euler_init (CoglEuler *euler, + float heading, + float pitch, + float roll); + +/** + * cogl_euler_init_from_matrix: + * @euler: The #CoglEuler angle to initialize + * @matrix: A #CoglMatrix containing a rotation, but no scaling, + * mirroring or skewing. + * + * Extracts a euler rotation from the given @matrix and + * initializses @euler with the component x, y and z rotation angles. + */ +void +cogl_euler_init_from_matrix (CoglEuler *euler, + const CoglMatrix *matrix); + +/** + * cogl_euler_init_from_quaternion: + * @euler: The #CoglEuler angle to initialize + * @quaternion: A #CoglEuler with the rotation to initialize with + * + * Initializes a @euler rotation with the equivalent rotation + * represented by the given @quaternion. + */ +void +cogl_euler_init_from_quaternion (CoglEuler *euler, + const CoglQuaternion *quaternion); + +/** + * cogl_euler_equal: + * @v1: The first euler angle to compare + * @v2: The second euler angle to compare + * + * Compares the two given euler angles @v1 and @v1 and it they are + * equal returns %TRUE else %FALSE. + * + * This function only checks that all three components rotations + * are numerically equal, it does not consider that some rotations + * can be represented with different component rotations + * + * Returns: %TRUE if @v1 and @v2 are equal else %FALSE. + * Since: 2.0 + */ +CoglBool +cogl_euler_equal (const void *v1, const void *v2); + +/** + * cogl_euler_copy: + * @src: A #CoglEuler to copy + * + * Allocates a new #CoglEuler and initilizes it with the component + * angles of @src. The newly allocated euler should be freed using + * cogl_euler_free(). + * + * Returns: A newly allocated #CoglEuler + * Since: 2.0 + */ +CoglEuler * +cogl_euler_copy (const CoglEuler *src); + +/** + * cogl_euler_free: + * @euler: A #CoglEuler allocated via cogl_euler_copy() + * + * Frees a #CoglEuler that was previously allocated using + * cogl_euler_copy(). + * + * Since: 2.0 + */ +void +cogl_euler_free (CoglEuler *euler); + +COGL_END_DECLS + +#endif /* __COGL_EULER_H */ + diff --git a/cogl/cogl-feature-private.c b/cogl/cogl-feature-private.c new file mode 100644 index 0000000..7c160c3 --- /dev/null +++ b/cogl/cogl-feature-private.c @@ -0,0 +1,234 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-context-private.h" + +#include "cogl-feature-private.h" +#include "cogl-renderer-private.h" +#include "cogl-private.h" + +CoglBool +_cogl_feature_check (CoglRenderer *renderer, + const char *driver_prefix, + const CoglFeatureData *data, + int gl_major, + int gl_minor, + CoglDriver driver, + char * const *extensions, + void *function_table) + +{ + const char *suffix = NULL; + int func_num; + CoglExtGlesAvailability gles_availability = 0; + CoglBool in_core; + + switch (driver) + { + case COGL_DRIVER_GLES1: + gles_availability = COGL_EXT_IN_GLES; + break; + case COGL_DRIVER_GLES2: + gles_availability = COGL_EXT_IN_GLES2; + + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 3, 0)) + gles_availability |= COGL_EXT_IN_GLES3; + break; + case COGL_DRIVER_ANY: + g_assert_not_reached (); + case COGL_DRIVER_WEBGL: + /* FIXME: WebGL should probably have its own COGL_EXT_IN_WEBGL flag */ + break; + case COGL_DRIVER_NOP: + case COGL_DRIVER_GL: + case COGL_DRIVER_GL3: + break; + } + + /* First check whether the functions should be directly provided by + GL */ + if (((driver == COGL_DRIVER_GL || + driver == COGL_DRIVER_GL3) && + COGL_CHECK_GL_VERSION (gl_major, gl_minor, + data->min_gl_major, data->min_gl_minor)) || + (data->gles_availability & gles_availability)) + { + suffix = ""; + in_core = TRUE; + } + else + { + /* Otherwise try all of the extensions */ + const char *namespace, *namespace_suffix; + unsigned int namespace_len; + + for (namespace = data->namespaces; + *namespace; + namespace += strlen (namespace) + 1) + { + const char *extension; + GString *full_extension_name = g_string_new (""); + + /* If the namespace part contains a ':' then the suffix for + the function names is different from the name space */ + if ((namespace_suffix = strchr (namespace, ':'))) + { + namespace_len = namespace_suffix - namespace; + namespace_suffix++; + } + else + { + namespace_len = strlen (namespace); + namespace_suffix = namespace; + } + + for (extension = data->extension_names; + *extension; + extension += strlen (extension) + 1) + { + g_string_assign (full_extension_name, driver_prefix); + g_string_append_c (full_extension_name, '_'); + g_string_append_len (full_extension_name, + namespace, namespace_len); + g_string_append_c (full_extension_name, '_'); + g_string_append (full_extension_name, extension); + if (_cogl_check_extension (full_extension_name->str, + extensions)) + break; + } + + g_string_free (full_extension_name, TRUE); + + /* If we found an extension with this namespace then use it + as the suffix */ + if (*extension) + { + suffix = namespace_suffix; + break; + } + } + + in_core = FALSE; + } + + /* If we couldn't find anything that provides the functions then + give up */ + if (suffix == NULL) + goto error; + + /* Try to get all of the entry points */ + for (func_num = 0; data->functions[func_num].name; func_num++) + { + void *func; + char *full_function_name; + + full_function_name = g_strconcat (data->functions[func_num].name, + suffix, NULL); + func = _cogl_renderer_get_proc_address (renderer, + full_function_name, + in_core); + g_free (full_function_name); + + if (func == NULL) + goto error; + + /* Set the function pointer in the context */ + *(void **) ((uint8_t *) function_table + + data->functions[func_num].pointer_offset) = func; + } + + return TRUE; + + /* If the extension isn't found or one of the functions wasn't found + * then set all of the functions pointers to NULL so Cogl can safely + * do feature testing by just looking at the function pointers */ +error: + for (func_num = 0; data->functions[func_num].name; func_num++) + *(void **) ((uint8_t *) function_table + + data->functions[func_num].pointer_offset) = NULL; + + return FALSE; +} + +/* Define a set of arrays containing the functions required from GL + for each feature */ +#define COGL_EXT_BEGIN(name, \ + min_gl_major, min_gl_minor, \ + gles_availability, \ + namespaces, extension_names) \ + static const CoglFeatureFunction cogl_ext_ ## name ## _funcs[] = { +#define COGL_EXT_FUNCTION(ret, name, args) \ + { G_STRINGIFY (name), G_STRUCT_OFFSET (CoglContext, name) }, +#define COGL_EXT_END() \ + { NULL, 0 }, \ + }; +#include "gl-prototypes/cogl-all-functions.h" + +/* Define an array of features */ +#undef COGL_EXT_BEGIN +#define COGL_EXT_BEGIN(name, \ + min_gl_major, min_gl_minor, \ + gles_availability, \ + namespaces, extension_names) \ + { min_gl_major, min_gl_minor, gles_availability, namespaces, \ + extension_names, 0, 0, 0, \ + cogl_ext_ ## name ## _funcs }, +#undef COGL_EXT_FUNCTION +#define COGL_EXT_FUNCTION(ret, name, args) +#undef COGL_EXT_END +#define COGL_EXT_END() + +static const CoglFeatureData +cogl_feature_ext_functions_data[] = + { +#include "gl-prototypes/cogl-all-functions.h" + }; + +void +_cogl_feature_check_ext_functions (CoglContext *context, + int gl_major, + int gl_minor, + char * const *gl_extensions) +{ + int i; + + for (i = 0; i < G_N_ELEMENTS (cogl_feature_ext_functions_data); i++) + _cogl_feature_check (context->display->renderer, + "GL", cogl_feature_ext_functions_data + i, + gl_major, gl_minor, context->driver, + gl_extensions, + context); +} diff --git a/cogl/cogl-feature-private.h b/cogl/cogl-feature-private.h new file mode 100644 index 0000000..a342d23 --- /dev/null +++ b/cogl/cogl-feature-private.h @@ -0,0 +1,106 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_FEATURE_PRIVATE_H +#define __COGL_FEATURE_PRIVATE_H + +#include + + +#define COGL_CHECK_GL_VERSION(driver_major, driver_minor, \ + target_major, target_minor) \ + ((driver_major) > (target_major) || \ + ((driver_major) == (target_major) && (driver_minor) >= (target_minor))) + +typedef enum +{ + COGL_EXT_IN_GLES = (1 << 0), + COGL_EXT_IN_GLES2 = (1 << 1), + COGL_EXT_IN_GLES3 = (1 << 2) +} CoglExtGlesAvailability; + +typedef struct _CoglFeatureFunction CoglFeatureFunction; + +struct _CoglFeatureFunction +{ + /* The name of the function without the "EXT" or "ARB" suffix */ + const char *name; + /* The offset in the context of where to store the function pointer */ + unsigned int pointer_offset; +}; + +typedef struct _CoglFeatureData CoglFeatureData; + +struct _CoglFeatureData +{ + /* A minimum GL version which the functions should be defined in + without needing an extension. Set to 255,255 if it's only + provided in an extension */ + int min_gl_major, min_gl_minor; + /* Flags specifying which versions of GLES the feature is available + in core in */ + CoglExtGlesAvailability gles_availability; + /* \0 separated list of namespaces to try. Eg "EXT\0ARB\0" */ + const char *namespaces; + /* \0 separated list of required extension names without the GL_EXT + or GL_ARB prefix. Any of the extensions must be available for the + feature to be considered available. If the suffix for an + extension is different from the namespace, you can specify it + with a ':' after the namespace */ + const char *extension_names; + /* A set of feature flags to enable if the extension is available */ + CoglFeatureFlags feature_flags; + /* A set of private feature flags to enable if the extension is + * available */ + int feature_flags_private; + /* An optional corresponding winsys feature. */ + CoglWinsysFeature winsys_feature; + /* A list of functions required for this feature. Terminated with a + NULL name */ + const CoglFeatureFunction *functions; +}; + +CoglBool +_cogl_feature_check (CoglRenderer *renderer, + const char *driver_prefix, + const CoglFeatureData *data, + int gl_major, + int gl_minor, + CoglDriver driver, + char * const *extensions, + void *function_table); + +void +_cogl_feature_check_ext_functions (CoglContext *context, + int gl_major, + int gl_minor, + char * const *gl_extensions); + +#endif /* __COGL_FEATURE_PRIVATE_H */ diff --git a/cogl/cogl-fence-private.h b/cogl/cogl-fence-private.h new file mode 100644 index 0000000..abbf51f --- /dev/null +++ b/cogl/cogl-fence-private.h @@ -0,0 +1,66 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Collabora Ltd. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_FENCE_PRIVATE_H__ +#define __COGL_FENCE_PRIVATE_H__ + +#include "cogl-fence.h" +#include "cogl-list.h" +#include "cogl-winsys-private.h" + +typedef enum +{ + FENCE_TYPE_PENDING, +#ifdef GL_ARB_sync + FENCE_TYPE_GL_ARB, +#endif + FENCE_TYPE_WINSYS, + FENCE_TYPE_ERROR +} CoglFenceType; + +struct _CoglFenceClosure +{ + CoglList link; + CoglFramebuffer *framebuffer; + + CoglFenceType type; + void *fence_obj; + + CoglFenceCallback callback; + void *user_data; +}; + +void +_cogl_fence_submit (CoglFenceClosure *fence); + +void +_cogl_fence_cancel_fences_for_framebuffer (CoglFramebuffer *framebuffer); + +#endif /* __COGL_FENCE_PRIVATE_H__ */ diff --git a/cogl/cogl-fence.c b/cogl/cogl-fence.c new file mode 100644 index 0000000..05c91ff --- /dev/null +++ b/cogl/cogl-fence.c @@ -0,0 +1,236 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Collabora Ltd. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-fence.h" +#include "cogl-fence-private.h" +#include "cogl-context-private.h" +#include "cogl-winsys-private.h" + +#define FENCE_CHECK_TIMEOUT 5000 /* microseconds */ + +void * +cogl_fence_closure_get_user_data (CoglFenceClosure *closure) +{ + return closure->user_data; +} + +static void +_cogl_fence_check (CoglFenceClosure *fence) +{ + CoglContext *context = fence->framebuffer->context; + + if (fence->type == FENCE_TYPE_WINSYS) + { + const CoglWinsysVtable *winsys = _cogl_context_get_winsys (context); + CoglBool ret; + + ret = winsys->fence_is_complete (context, fence->fence_obj); + if (!ret) + return; + } +#ifdef GL_ARB_sync + else if (fence->type == FENCE_TYPE_GL_ARB) + { + GLenum arb; + + arb = context->glClientWaitSync (fence->fence_obj, + GL_SYNC_FLUSH_COMMANDS_BIT, + 0); + if (arb != GL_ALREADY_SIGNALED && arb != GL_CONDITION_SATISFIED) + return; + } +#endif + + fence->callback (NULL, /* dummy CoglFence object */ + fence->user_data); + cogl_framebuffer_cancel_fence_callback (fence->framebuffer, fence); +} + +static void +_cogl_fence_poll_dispatch (void *source, int revents) +{ + CoglContext *context = source; + CoglFenceClosure *fence, *tmp; + + _cogl_list_for_each_safe (fence, tmp, &context->fences, link) + _cogl_fence_check (fence); +} + +static int64_t +_cogl_fence_poll_prepare (void *source) +{ + CoglContext *context = source; + GList *l; + + /* If there are any pending fences in any of the journals then we + * need to flush the journal otherwise the fence will never be + * hit and the main loop might block forever */ + for (l = context->framebuffers; l; l = l->next) + { + CoglFramebuffer *fb = l->data; + + if (!_cogl_list_empty (&fb->journal->pending_fences)) + _cogl_framebuffer_flush_journal (fb); + } + + if (!_cogl_list_empty (&context->fences)) + return FENCE_CHECK_TIMEOUT; + else + return -1; +} + +void +_cogl_fence_submit (CoglFenceClosure *fence) +{ + CoglContext *context = fence->framebuffer->context; + const CoglWinsysVtable *winsys = _cogl_context_get_winsys (context); + + fence->type = FENCE_TYPE_ERROR; + + if (winsys->fence_add) + { + fence->fence_obj = winsys->fence_add (context); + if (fence->fence_obj) + { + fence->type = FENCE_TYPE_WINSYS; + goto done; + } + } + +#ifdef GL_ARB_sync + if (context->glFenceSync) + { + fence->fence_obj = context->glFenceSync (GL_SYNC_GPU_COMMANDS_COMPLETE, + 0); + if (fence->fence_obj) + { + fence->type = FENCE_TYPE_GL_ARB; + goto done; + } + } +#endif + + done: + _cogl_list_insert (context->fences.prev, &fence->link); + + if (!context->fences_poll_source) + { + context->fences_poll_source = + _cogl_poll_renderer_add_source (context->display->renderer, + _cogl_fence_poll_prepare, + _cogl_fence_poll_dispatch, + context); + } +} + +CoglFenceClosure * +cogl_framebuffer_add_fence_callback (CoglFramebuffer *framebuffer, + CoglFenceCallback callback, + void *user_data) +{ + CoglContext *context = framebuffer->context; + CoglJournal *journal = framebuffer->journal; + CoglFenceClosure *fence; + + if (!COGL_FLAGS_GET (context->features, COGL_FEATURE_ID_FENCE)) + return NULL; + + fence = g_slice_new (CoglFenceClosure); + fence->framebuffer = framebuffer; + fence->callback = callback; + fence->user_data = user_data; + fence->fence_obj = NULL; + + if (journal->entries->len) + { + _cogl_list_insert (journal->pending_fences.prev, &fence->link); + fence->type = FENCE_TYPE_PENDING; + } + else + _cogl_fence_submit (fence); + + return fence; +} + +void +cogl_framebuffer_cancel_fence_callback (CoglFramebuffer *framebuffer, + CoglFenceClosure *fence) +{ + CoglContext *context = framebuffer->context; + + if (fence->type == FENCE_TYPE_PENDING) + { + _cogl_list_remove (&fence->link); + } + else + { + _cogl_list_remove (&fence->link); + + if (fence->type == FENCE_TYPE_WINSYS) + { + const CoglWinsysVtable *winsys = _cogl_context_get_winsys (context); + + winsys->fence_destroy (context, fence->fence_obj); + } +#ifdef GL_ARB_sync + else if (fence->type == FENCE_TYPE_GL_ARB) + { + context->glDeleteSync (fence->fence_obj); + } +#endif + } + + g_slice_free (CoglFenceClosure, fence); +} + +void +_cogl_fence_cancel_fences_for_framebuffer (CoglFramebuffer *framebuffer) +{ + CoglJournal *journal = framebuffer->journal; + CoglContext *context = framebuffer->context; + CoglFenceClosure *fence, *tmp; + + while (!_cogl_list_empty (&journal->pending_fences)) + { + fence = _cogl_container_of (journal->pending_fences.next, + CoglFenceClosure, + link); + cogl_framebuffer_cancel_fence_callback (framebuffer, fence); + } + + _cogl_list_for_each_safe (fence, tmp, &context->fences, link) + { + if (fence->framebuffer == framebuffer) + cogl_framebuffer_cancel_fence_callback (framebuffer, fence); + } +} diff --git a/cogl/cogl-fence.h b/cogl/cogl-fence.h new file mode 100644 index 0000000..e268f8f --- /dev/null +++ b/cogl/cogl-fence.h @@ -0,0 +1,143 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Collabora Ltd. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_FENCE_H__ +#define __COGL_FENCE_H__ + +#include +#include + +/** + * SECTION:cogl-fence + * @short_description: Functions for notification of command completion + * + * Cogl allows notification of GPU command completion; users may mark + * points in the GPU command stream and receive notification when the GPU + * has executed to that point. + */ + +/** + * CoglFence: + * + * An opaque object representing a fence. This type is currently + * unused but in the future may be used to pass extra information + * about the fence completion. + * + * Since: 2.0 + * Stability: Unstable + */ +typedef struct _CoglFence CoglFence; + +/** + * CoglFenceCallback: + * @fence: Unused. In the future this parameter may be used to pass + * extra information about the fence completion but for now it + * should be ignored. + * @user_data: The private data passed to cogl_framebuffer_add_fence_callback() + * + * The callback prototype used with + * cogl_framebuffer_add_fence_callback() for notification of GPU + * command completion. + * + * Since: 2.0 + * Stability: Unstable + */ +typedef void (* CoglFenceCallback) (CoglFence *fence, + void *user_data); + +/** + * CoglFenceClosure: + * + * An opaque type representing one future callback to be made when the + * GPU command stream has passed a certain point. + * + * Since: 2.0 + * Stability: Unstable + */ +typedef struct _CoglFenceClosure CoglFenceClosure; + +/** + * cogl_frame_closure_get_user_data: + * @closure: A #CoglFenceClosure returned from cogl_framebuffer_add_fence() + * + * Returns the user_data submitted to cogl_framebuffer_add_fence() which + * returned a given #CoglFenceClosure. + * + * Since: 2.0 + * Stability: Unstable + */ +void * +cogl_fence_closure_get_user_data (CoglFenceClosure *closure); + +/** + * cogl_framebuffer_add_fence_callback: + * @framebuffer: The #CoglFramebuffer the commands have been submitted to + * @callback: (scope notified): A #CoglFenceCallback to be called when + * all commands submitted to Cogl have been executed + * @user_data: (closure): Private data that will be passed to the callback + * + * Calls the provided callback when all previously-submitted commands have + * been executed by the GPU. + * + * Returns non-NULL if the fence succeeded, or %NULL if it was unable to + * be inserted and the callback will never be called. The user does not + * need to free the closure; it will be freed automatically when the + * callback is called, or cancelled. + * + * Since: 2.0 + * Stability: Unstable + */ +CoglFenceClosure * +cogl_framebuffer_add_fence_callback (CoglFramebuffer *framebuffer, + CoglFenceCallback callback, + void *user_data); + +/** + * cogl_framebuffer_cancel_fence_callback: + * @framebuffer: The #CoglFramebuffer the commands were submitted to + * @closure: The #CoglFenceClosure returned from + * cogl_framebuffer_add_fence_callback() + * + * Removes a fence previously submitted with + * cogl_framebuffer_add_fence_callback(); the callback will not be + * called. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_framebuffer_cancel_fence_callback (CoglFramebuffer *framebuffer, + CoglFenceClosure *closure); + +#endif /* __COGL_FENCE_H__ */ diff --git a/cogl/cogl-flags.h b/cogl/cogl-flags.h new file mode 100644 index 0000000..33633f0 --- /dev/null +++ b/cogl/cogl-flags.h @@ -0,0 +1,130 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_FLAGS_H +#define __COGL_FLAGS_H + +#include + +#include "cogl-util.h" + +COGL_BEGIN_DECLS + +/* These are macros used to implement a fixed-size array of bits. This + should be used instead of CoglBitmask when the maximum bit number + that will be set is known at compile time, for example when setting + for recording a set of known available features */ + +/* The bits are stored in an array of unsigned longs. To use these + macros, you would typically have an enum defining the available + bits with an extra last enum to define the maximum value. Then to + store the flags you would declare an array of unsigned longs sized + using COGL_FLAGS_N_LONGS_FOR_SIZE, eg: + + typedef enum { FEATURE_A, FEATURE_B, FEATURE_C, N_FEATURES } Features; + + unsigned long feature_flags[COGL_FLAGS_N_LONGS_FOR_SIZE (N_FEATURES)]; +*/ + +#define COGL_FLAGS_N_LONGS_FOR_SIZE(size) \ + (((size) + \ + (sizeof (unsigned long) * 8 - 1)) \ + / (sizeof (unsigned long) * 8)) + +/* @flag is expected to be constant so these should result in a + constant expression. This means that setting a flag is equivalent + to just setting in a bit in a global variable at a known + location */ +#define COGL_FLAGS_GET_INDEX(flag) \ + ((flag) / (sizeof (unsigned long) * 8)) +#define COGL_FLAGS_GET_MASK(flag) \ + (1UL << ((unsigned long) (flag) & \ + (sizeof (unsigned long) * 8 - 1))) + +#define COGL_FLAGS_GET(array, flag) \ + (!!((array)[COGL_FLAGS_GET_INDEX (flag)] & \ + COGL_FLAGS_GET_MASK (flag))) + +/* The expectation here is that @value will be constant so the if + statement will be optimised out */ +#define COGL_FLAGS_SET(array, flag, value) \ + G_STMT_START { \ + if (value) \ + ((array)[COGL_FLAGS_GET_INDEX (flag)] |= \ + COGL_FLAGS_GET_MASK (flag)); \ + else \ + ((array)[COGL_FLAGS_GET_INDEX (flag)] &= \ + ~COGL_FLAGS_GET_MASK (flag)); \ + } G_STMT_END + +/* Macros to help iterate an array of flags. It should be used like + * this: + * + * int n_longs = COGL_FLAGS_N_LONGS_FOR_SIZE (...); + * unsigned long flags[n_longs]; + * int bit_num; + * + * COGL_FLAGS_FOREACH_START (flags, n_longs, bit_num) + * { + * do_something_with_the_bit (bit_num); + * } + * COGL_FLAGS_FOREACH_END; + */ +#define COGL_FLAGS_FOREACH_START(array, n_longs, bit) \ + G_STMT_START { \ + const unsigned long *_p = (array); \ + int _n_longs = (n_longs); \ + int _i; \ + \ + for (_i = 0; _i < _n_longs; _i++) \ + { \ + unsigned long _mask = *(_p++); \ + \ + (bit) = _i * sizeof (unsigned long) * 8 - 1; \ + \ + while (_mask) \ + { \ + int _next_bit = _cogl_util_ffsl (_mask); \ + (bit) += _next_bit; \ + /* This odd two-part shift is to avoid */ \ + /* shifting by sizeof (long)*8 which has */ \ + /* undefined results according to the */ \ + /* C spec (and seems to be a no-op in */ \ + /* practice) */ \ + _mask = (_mask >> (_next_bit - 1)) >> 1; \ + +#define COGL_FLAGS_FOREACH_END \ + } } } G_STMT_END + +COGL_END_DECLS + +#endif /* __COGL_FLAGS_H */ + diff --git a/cogl/cogl-frame-info-private.h b/cogl/cogl-frame-info-private.h new file mode 100644 index 0000000..32f5ba8 --- /dev/null +++ b/cogl/cogl-frame-info-private.h @@ -0,0 +1,50 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_FRAME_INFO_PRIVATE_H +#define __COGL_FRAME_INFO_PRIVATE_H + +#include "cogl-frame-info.h" +#include "cogl-object-private.h" + +struct _CoglFrameInfo +{ + CoglObject _parent; + + int64_t frame_counter; + int64_t presentation_time; + float refresh_rate; + + CoglOutput *output; +}; + +CoglFrameInfo *_cogl_frame_info_new (void); + +#endif /* __COGL_FRAME_INFO_PRIVATE_H */ diff --git a/cogl/cogl-frame-info.c b/cogl/cogl-frame-info.c new file mode 100644 index 0000000..2114a64 --- /dev/null +++ b/cogl/cogl-frame-info.c @@ -0,0 +1,81 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-frame-info-private.h" +#include "cogl-gtype-private.h" + +static void _cogl_frame_info_free (CoglFrameInfo *info); + +COGL_OBJECT_DEFINE (FrameInfo, frame_info); +COGL_GTYPE_DEFINE_CLASS (FrameInfo, frame_info); + +CoglFrameInfo * +_cogl_frame_info_new (void) +{ + CoglFrameInfo *info; + + info = g_slice_new0 (CoglFrameInfo); + + return _cogl_frame_info_object_new (info); +} + +static void +_cogl_frame_info_free (CoglFrameInfo *info) +{ + g_slice_free (CoglFrameInfo, info); +} + +int64_t +cogl_frame_info_get_frame_counter (CoglFrameInfo *info) +{ + return info->frame_counter; +} + +int64_t +cogl_frame_info_get_presentation_time (CoglFrameInfo *info) +{ + return info->presentation_time; +} + +float +cogl_frame_info_get_refresh_rate (CoglFrameInfo *info) +{ + return info->refresh_rate; +} + +CoglOutput * +cogl_frame_info_get_output (CoglFrameInfo *info) +{ + return info->output; +} diff --git a/cogl/cogl-frame-info.h b/cogl/cogl-frame-info.h new file mode 100644 index 0000000..7304c53 --- /dev/null +++ b/cogl/cogl-frame-info.h @@ -0,0 +1,148 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Owen Taylor + */ +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_FRAME_INFO_H +#define __COGL_FRAME_INFO_H + +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif +#include + +G_BEGIN_DECLS + +typedef struct _CoglFrameInfo CoglFrameInfo; +#define COGL_FRAME_INFO(X) ((CoglFrameInfo *)(X)) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_frame_info_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_frame_info_get_gtype (void); +#endif + +/** + * cogl_is_frame_info: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a #CoglFrameInfo. + * + * Return value: %TRUE if the object references a #CoglFrameInfo + * and %FALSE otherwise. + * Since: 2.0 + * Stability: unstable + */ +CoglBool +cogl_is_frame_info (void *object); + +/** + * cogl_frame_info_get_frame_counter: + * @info: a #CoglFrameInfo object + * + * Gets the frame counter for the #CoglOnscreen that corresponds + * to this frame. + * + * Return value: The frame counter value + * Since: 1.14 + * Stability: unstable + */ +int64_t cogl_frame_info_get_frame_counter (CoglFrameInfo *info); + +/** + * cogl_frame_info_get_presentation_time: + * @info: a #CoglFrameInfo object + * + * Gets the presentation time for the frame. This is the time at which + * the frame became visible to the user. + * + * The presentation time measured in nanoseconds is based on a + * monotonic time source. The time source is not necessarily + * correlated with system/wall clock time and may represent the time + * elapsed since some undefined system event such as when the system + * last booted. + * + * Linux kernel version less that 3.8 can result in + * non-monotonic timestamps being reported when using a drm based + * OpenGL driver. Also some buggy Mesa drivers up to 9.0.1 may also + * incorrectly report non-monotonic timestamps. + * + * Return value: the presentation time for the frame + * Since: 1.14 + * Stability: unstable + */ +int64_t cogl_frame_info_get_presentation_time (CoglFrameInfo *info); + +/** + * cogl_frame_info_get_refresh_rate: + * @info: a #CoglFrameInfo object + * + * Gets the refresh rate in Hertz for the output that the frame was on + * at the time the frame was presented. + * + * Some platforms can't associate a #CoglOutput with a + * #CoglFrameInfo object but are able to report a refresh rate via + * this api. Therefore if you need this information then this api is + * more reliable than using cogl_frame_info_get_output() followed by + * cogl_output_get_refresh_rate(). + * + * Return value: the refresh rate in Hertz + * Since: 1.14 + * Stability: unstable + */ +float cogl_frame_info_get_refresh_rate (CoglFrameInfo *info); + +/** + * cogl_frame_info_get_output: + * @info: a #CoglFrameInfo object + * + * Gets the #CoglOutput that the swapped frame was presented to. + * + * Return value: (transfer none): The #CoglOutput that the frame was + * presented to, or %NULL if this could not be determined. + * Since: 1.14 + * Stability: unstable + */ +CoglOutput * +cogl_frame_info_get_output (CoglFrameInfo *info); + +G_END_DECLS + +#endif /* __COGL_FRAME_INFO_H */ diff --git a/cogl/cogl-framebuffer-private.h b/cogl/cogl-framebuffer-private.h new file mode 100644 index 0000000..4891d53 --- /dev/null +++ b/cogl/cogl-framebuffer-private.h @@ -0,0 +1,510 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_FRAMEBUFFER_PRIVATE_H +#define __COGL_FRAMEBUFFER_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-matrix-stack-private.h" +#include "cogl-journal-private.h" +#include "cogl-winsys-private.h" +#include "cogl-attribute-private.h" +#include "cogl-offscreen.h" +#include "cogl-gl-header.h" +#include "cogl-clip-stack.h" + +#ifdef COGL_HAS_XLIB_SUPPORT +#include +#endif + +#ifdef COGL_HAS_GLX_SUPPORT +#include +#include +#endif + +typedef enum _CoglFramebufferType { + COGL_FRAMEBUFFER_TYPE_ONSCREEN, + COGL_FRAMEBUFFER_TYPE_OFFSCREEN +} CoglFramebufferType; + +typedef struct +{ + CoglSwapChain *swap_chain; + CoglBool need_stencil; + int samples_per_pixel; + CoglBool swap_throttled; + CoglBool depth_texture_enabled; +} CoglFramebufferConfig; + +/* Flags to pass to _cogl_offscreen_new_with_texture_full */ +typedef enum +{ + COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL = 1 +} CoglOffscreenFlags; + +/* XXX: The order of these indices determines the order they are + * flushed. + * + * Flushing clip state may trash the modelview and projection matrices + * so we must do it before flushing the matrices. + */ +typedef enum _CoglFramebufferStateIndex +{ + COGL_FRAMEBUFFER_STATE_INDEX_BIND = 0, + COGL_FRAMEBUFFER_STATE_INDEX_VIEWPORT = 1, + COGL_FRAMEBUFFER_STATE_INDEX_CLIP = 2, + COGL_FRAMEBUFFER_STATE_INDEX_DITHER = 3, + COGL_FRAMEBUFFER_STATE_INDEX_MODELVIEW = 4, + COGL_FRAMEBUFFER_STATE_INDEX_PROJECTION = 5, + COGL_FRAMEBUFFER_STATE_INDEX_COLOR_MASK = 6, + COGL_FRAMEBUFFER_STATE_INDEX_FRONT_FACE_WINDING = 7, + COGL_FRAMEBUFFER_STATE_INDEX_DEPTH_WRITE = 8, + COGL_FRAMEBUFFER_STATE_INDEX_MAX = 9 +} CoglFramebufferStateIndex; + +typedef enum _CoglFramebufferState +{ + COGL_FRAMEBUFFER_STATE_BIND = 1<<0, + COGL_FRAMEBUFFER_STATE_VIEWPORT = 1<<1, + COGL_FRAMEBUFFER_STATE_CLIP = 1<<2, + COGL_FRAMEBUFFER_STATE_DITHER = 1<<3, + COGL_FRAMEBUFFER_STATE_MODELVIEW = 1<<4, + COGL_FRAMEBUFFER_STATE_PROJECTION = 1<<5, + COGL_FRAMEBUFFER_STATE_COLOR_MASK = 1<<6, + COGL_FRAMEBUFFER_STATE_FRONT_FACE_WINDING = 1<<7, + COGL_FRAMEBUFFER_STATE_DEPTH_WRITE = 1<<8 +} CoglFramebufferState; + +#define COGL_FRAMEBUFFER_STATE_ALL ((1<config to configure if we want a depth or stencil buffer so + * we can get rid of these flags */ + CoglOffscreenFlags create_flags; +}; + +void +_cogl_framebuffer_init (CoglFramebuffer *framebuffer, + CoglContext *ctx, + CoglFramebufferType type, + int width, + int height); + +/* XXX: For a public api we might instead want a way to explicitly + * set the _premult status of a framebuffer or what components we + * care about instead of exposing the CoglPixelFormat + * internal_format. + * + * The current use case for this api is where we create an offscreen + * framebuffer for a shared atlas texture that has a format of + * RGBA_8888 disregarding the premultiplied alpha status for + * individual atlased textures or whether the alpha component is being + * discarded. We want to overried the internal_format that will be + * derived from the texture. + */ +void +_cogl_framebuffer_set_internal_format (CoglFramebuffer *framebuffer, + CoglPixelFormat internal_format); + +void _cogl_framebuffer_free (CoglFramebuffer *framebuffer); + +const CoglWinsysVtable * +_cogl_framebuffer_get_winsys (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_clear_without_flush4f (CoglFramebuffer *framebuffer, + unsigned long buffers, + float red, + float green, + float blue, + float alpha); + +void +_cogl_framebuffer_mark_clear_clip_dirty (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_mark_mid_scene (CoglFramebuffer *framebuffer); + +/* + * _cogl_framebuffer_get_clip_stack: + * @framebuffer: A #CoglFramebuffer + * + * Gets a pointer to the current clip stack. This can be used to later + * return to the same clip stack state with + * _cogl_framebuffer_set_clip_stack(). A reference is not taken on the + * stack so if you want to keep it you should call + * _cogl_clip_stack_ref(). + * + * Return value: a pointer to the @framebuffer clip stack. + */ +CoglClipStack * +_cogl_framebuffer_get_clip_stack (CoglFramebuffer *framebuffer); + +/* + * _cogl_framebuffer_set_clip_stack: + * @framebuffer: A #CoglFramebuffer + * @stack: a pointer to the replacement clip stack + * + * Replaces the @framebuffer clip stack with @stack. + */ +void +_cogl_framebuffer_set_clip_stack (CoglFramebuffer *framebuffer, + CoglClipStack *stack); + +CoglMatrixStack * +_cogl_framebuffer_get_modelview_stack (CoglFramebuffer *framebuffer); + +CoglMatrixStack * +_cogl_framebuffer_get_projection_stack (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_add_dependency (CoglFramebuffer *framebuffer, + CoglFramebuffer *dependency); + +void +_cogl_framebuffer_remove_all_dependencies (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_flush_journal (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_flush_dependency_journals (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_flush_state (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer, + CoglFramebufferState state); + +CoglFramebuffer * +_cogl_get_read_framebuffer (void); + +GSList * +_cogl_create_framebuffer_stack (void); + +void +_cogl_free_framebuffer_stack (GSList *stack); + +/* + * _cogl_offscreen_new_with_texture_full: + * @texture: A #CoglTexture pointer + * @create_flags: Flags specifying how to create the FBO + * @level: The mipmap level within the texture to target + * + * Creates a new offscreen buffer which will target the given + * texture. By default the buffer will have a depth and stencil + * buffer. This can be disabled by passing + * %COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL in @create_flags. + * + * Return value: the new CoglOffscreen object. + */ +CoglOffscreen * +_cogl_offscreen_new_with_texture_full (CoglTexture *texture, + CoglOffscreenFlags create_flags, + int level); + +/* + * _cogl_push_framebuffers: + * @draw_buffer: A pointer to the buffer used for drawing + * @read_buffer: A pointer to the buffer used for reading back pixels + * + * Redirects drawing and reading to the specified framebuffers as in + * cogl_push_framebuffer() except that it allows the draw and read + * buffer to be different. The buffers are pushed as a pair so that + * they can later both be restored with a single call to + * cogl_pop_framebuffer(). + */ +void +_cogl_push_framebuffers (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer); + +/* + * _cogl_blit_framebuffer: + * @src: The source #CoglFramebuffer + * @dest: The destination #CoglFramebuffer + * @src_x: Source x position + * @src_y: Source y position + * @dst_x: Destination x position + * @dst_y: Destination y position + * @width: Width of region to copy + * @height: Height of region to copy + * + * This blits a region of the color buffer of the current draw buffer + * to the current read buffer. The draw and read buffers can be set up + * using _cogl_push_framebuffers(). This function should only be + * called if the COGL_PRIVATE_FEATURE_OFFSCREEN_BLIT feature is + * advertised. The two buffers must both be offscreen and have the + * same format. + * + * Note that this function differs a lot from the glBlitFramebuffer + * function provided by the GL_EXT_framebuffer_blit extension. Notably + * it doesn't support having different sizes for the source and + * destination rectangle. This isn't supported by the corresponding + * GL_ANGLE_framebuffer_blit extension on GLES2.0 and it doesn't seem + * like a particularly useful feature. If the application wanted to + * scale the results it may make more sense to draw a primitive + * instead. + * + * We can only really support blitting between two offscreen buffers + * for this function on GLES2.0. This is because we effectively render + * upside down to offscreen buffers to maintain Cogl's representation + * of the texture coordinate system where 0,0 is the top left of the + * texture. If we were to blit from an offscreen to an onscreen buffer + * then we would need to mirror the blit along the x-axis but the GLES + * extension does not support this. + * + * The GL function is documented to be affected by the scissor. This + * function therefore ensure that an empty clip stack is flushed + * before performing the blit which means the scissor is effectively + * ignored. + * + * The function also doesn't support specifying the buffers to copy + * and instead only the color buffer is copied. When copying the depth + * or stencil buffers the extension on GLES2.0 only supports copying + * the full buffer which would be awkward to document with this + * API. If we wanted to support that feature it may be better to have + * a separate function to copy the entire buffer for a given mask. + */ +void +_cogl_blit_framebuffer (CoglFramebuffer *src, + CoglFramebuffer *dest, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height); + +void +_cogl_framebuffer_push_projection (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_pop_projection (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_save_clip_stack (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_restore_clip_stack (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_unref (CoglFramebuffer *framebuffer); + +/* This can be called directly by the CoglJournal to draw attributes + * skipping the implicit journal flush, the framebuffer flush and + * pipeline validation. */ +void +_cogl_framebuffer_draw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags); + +void +_cogl_framebuffer_draw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags); + +gboolean +_cogl_framebuffer_try_creating_gl_fbo (CoglContext *ctx, + CoglTexture *texture, + int texture_level, + int texture_level_width, + int texture_level_height, + CoglTexture *depth_texture, + CoglFramebufferConfig *config, + CoglOffscreenAllocateFlags flags, + CoglGLFramebuffer *gl_framebuffer); + +unsigned long +_cogl_framebuffer_compare (CoglFramebuffer *a, + CoglFramebuffer *b, + unsigned long state); + +static inline CoglMatrixEntry * +_cogl_framebuffer_get_modelview_entry (CoglFramebuffer *framebuffer) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + return modelview_stack->last_entry; +} + +static inline CoglMatrixEntry * +_cogl_framebuffer_get_projection_entry (CoglFramebuffer *framebuffer) +{ + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + return projection_stack->last_entry; +} + +CoglBool +_cogl_framebuffer_read_pixels_into_bitmap (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap, + CoglError **error); + +/* + * _cogl_framebuffer_get_stencil_bits: + * @framebuffer: a pointer to a #CoglFramebuffer + * + * Retrieves the number of stencil bits of @framebuffer + * + * Return value: the number of bits + * + * Since: 2.0 + * Stability: unstable + */ +int +_cogl_framebuffer_get_stencil_bits (CoglFramebuffer *framebuffer); + +#endif /* __COGL_FRAMEBUFFER_PRIVATE_H */ diff --git a/cogl/cogl-framebuffer.c b/cogl/cogl-framebuffer.c new file mode 100644 index 0000000..135b873 --- /dev/null +++ b/cogl/cogl-framebuffer.c @@ -0,0 +1,2503 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-debug.h" +#include "cogl-context-private.h" +#include "cogl-display-private.h" +#include "cogl-renderer-private.h" +#include "cogl-object-private.h" +#include "cogl-util.h" +#include "cogl-texture-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-clip-stack.h" +#include "cogl-journal-private.h" +#include "cogl-winsys-private.h" +#include "cogl-pipeline-state-private.h" +#include "cogl-matrix-private.h" +#include "cogl-primitive-private.h" +#include "cogl-offscreen.h" +#include "cogl1-context.h" +#include "cogl-private.h" +#include "cogl-primitives-private.h" +#include "cogl-error-private.h" +#include "cogl-texture-gl-private.h" +#include "cogl-gtype-private.h" + +extern CoglObjectClass _cogl_onscreen_class; + +#ifdef COGL_ENABLE_DEBUG +static CoglUserDataKey wire_pipeline_key; +#endif + +static void _cogl_offscreen_free (CoglOffscreen *offscreen); + +COGL_OBJECT_DEFINE_WITH_CODE_GTYPE (Offscreen, offscreen, + _cogl_offscreen_class.virt_unref = + _cogl_framebuffer_unref); +COGL_GTYPE_DEFINE_CLASS (Offscreen, offscreen); +COGL_OBJECT_DEFINE_DEPRECATED_REF_COUNTING (offscreen); +COGL_GTYPE_DEFINE_INTERFACE (Framebuffer, framebuffer); + +/* XXX: + * The CoglObject macros don't support any form of inheritance, so for + * now we implement the CoglObject support for the CoglFramebuffer + * abstract class manually. + */ + +uint32_t +cogl_framebuffer_error_quark (void) +{ + return g_quark_from_static_string ("cogl-framebuffer-error-quark"); +} + +CoglBool +cogl_is_framebuffer (void *object) +{ + CoglObject *obj = object; + + if (obj == NULL) + return FALSE; + + return (obj->klass == &_cogl_onscreen_class || + obj->klass == &_cogl_offscreen_class); +} + +void +_cogl_framebuffer_init (CoglFramebuffer *framebuffer, + CoglContext *ctx, + CoglFramebufferType type, + int width, + int height) +{ + framebuffer->context = ctx; + + framebuffer->type = type; + framebuffer->width = width; + framebuffer->height = height; + framebuffer->internal_format = COGL_PIXEL_FORMAT_RGBA_8888_PRE; + framebuffer->viewport_x = 0; + framebuffer->viewport_y = 0; + framebuffer->viewport_width = width; + framebuffer->viewport_height = height; + framebuffer->viewport_age = 0; + framebuffer->viewport_age_for_scissor_workaround = -1; + framebuffer->dither_enabled = TRUE; + framebuffer->depth_writing_enabled = TRUE; + + framebuffer->modelview_stack = cogl_matrix_stack_new (ctx); + framebuffer->projection_stack = cogl_matrix_stack_new (ctx); + + framebuffer->dirty_bitmasks = TRUE; + + framebuffer->color_mask = COGL_COLOR_MASK_ALL; + + framebuffer->samples_per_pixel = 0; + + framebuffer->clip_stack = NULL; + + framebuffer->journal = _cogl_journal_new (framebuffer); + + /* Ensure we know the framebuffer->clear_color* members can't be + * referenced for our fast-path read-pixel optimization (see + * _cogl_journal_try_read_pixel()) until some region of the + * framebuffer is initialized. + */ + framebuffer->clear_clip_dirty = TRUE; + + /* XXX: We have to maintain a central list of all framebuffers + * because at times we need to be able to flush all known journals. + * + * Examples where we need to flush all journals are: + * - because journal entries can reference OpenGL texture + * coordinates that may not survive texture-atlas reorganization + * so we need the ability to flush those entries. + * - because although we generally advise against modifying + * pipelines after construction we have to handle that possibility + * and since pipelines may be referenced in journal entries we + * need to be able to flush them before allowing the pipelines to + * be changed. + * + * Note we don't maintain a list of journals and associate + * framebuffers with journals by e.g. having a journal->framebuffer + * reference since that would introduce a circular reference. + * + * Note: As a future change to try and remove the need to index all + * journals it might be possible to defer resolving of OpenGL + * texture coordinates for rectangle primitives until we come to + * flush a journal. This would mean for instance that a single + * rectangle entry in a journal could later be expanded into + * multiple quad primitives to handle sliced textures but would mean + * we don't have to worry about retaining references to OpenGL + * texture coordinates that may later become invalid. + */ + ctx->framebuffers = g_list_prepend (ctx->framebuffers, framebuffer); +} + +void +_cogl_framebuffer_set_internal_format (CoglFramebuffer *framebuffer, + CoglPixelFormat internal_format) +{ + framebuffer->internal_format = internal_format; +} + +void +_cogl_framebuffer_free (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + + _cogl_fence_cancel_fences_for_framebuffer (framebuffer); + + _cogl_clip_stack_unref (framebuffer->clip_stack); + + cogl_object_unref (framebuffer->modelview_stack); + framebuffer->modelview_stack = NULL; + + cogl_object_unref (framebuffer->projection_stack); + framebuffer->projection_stack = NULL; + + cogl_object_unref (framebuffer->journal); + + if (ctx->viewport_scissor_workaround_framebuffer == framebuffer) + ctx->viewport_scissor_workaround_framebuffer = NULL; + + ctx->framebuffers = g_list_remove (ctx->framebuffers, framebuffer); + + if (ctx->current_draw_buffer == framebuffer) + ctx->current_draw_buffer = NULL; + if (ctx->current_read_buffer == framebuffer) + ctx->current_read_buffer = NULL; +} + +const CoglWinsysVtable * +_cogl_framebuffer_get_winsys (CoglFramebuffer *framebuffer) +{ + return framebuffer->context->display->renderer->winsys_vtable; +} + +/* This version of cogl_clear can be used internally as an alternative + * to avoid flushing the journal or the framebuffer state. This is + * needed when doing operations that may be called whiling flushing + * the journal */ +void +_cogl_framebuffer_clear_without_flush4f (CoglFramebuffer *framebuffer, + unsigned long buffers, + float red, + float green, + float blue, + float alpha) +{ + CoglContext *ctx = framebuffer->context; + + if (!buffers) + { + static CoglBool shown = FALSE; + + if (!shown) + { + g_warning ("You should specify at least one auxiliary buffer " + "when calling cogl_framebuffer_clear"); + } + + return; + } + + ctx->driver_vtable->framebuffer_clear (framebuffer, + buffers, + red, green, blue, alpha); +} + +void +_cogl_framebuffer_mark_clear_clip_dirty (CoglFramebuffer *framebuffer) +{ + framebuffer->clear_clip_dirty = TRUE; +} + +void +_cogl_framebuffer_mark_mid_scene (CoglFramebuffer *framebuffer) +{ + framebuffer->mid_scene = TRUE; +} + +void +cogl_framebuffer_clear4f (CoglFramebuffer *framebuffer, + unsigned long buffers, + float red, + float green, + float blue, + float alpha) +{ + CoglContext *ctx = framebuffer->context; + CoglClipStack *clip_stack = _cogl_framebuffer_get_clip_stack (framebuffer); + int scissor_x0; + int scissor_y0; + int scissor_x1; + int scissor_y1; + CoglBool saved_viewport_scissor_workaround; + + _cogl_clip_stack_get_bounds (clip_stack, + &scissor_x0, &scissor_y0, + &scissor_x1, &scissor_y1); + + /* NB: the previous clear could have had an arbitrary clip. + * NB: everything for the last frame might still be in the journal + * but we can't assume anything about how each entry was + * clipped. + * NB: Clutter will scissor its pick renders which would mean all + * journal entries have a common ClipStack entry, but without + * a layering violation Cogl has to explicitly walk the journal + * entries to determine if this is the case. + * NB: We have a software only read-pixel optimization in the + * journal that determines the color at a given framebuffer + * coordinate for simple scenes without rendering with the GPU. + * When Clutter is hitting this fast-path we can expect to + * receive calls to clear the framebuffer with an un-flushed + * journal. + * NB: To fully support software based picking for Clutter we + * need to be able to reliably detect when the contents of a + * journal can be discarded and when we can skip the call to + * glClear because it matches the previous clear request. + */ + + /* Note: we don't check for the stencil buffer being cleared here + * since there isn't any public cogl api to manipulate the stencil + * buffer. + * + * Note: we check for an exact clip match here because + * 1) a smaller clip could mean existing journal entries may + * need to contribute to regions outside the new clear-clip + * 2) a larger clip would mean we need to issue a real + * glClear and we only care about cases avoiding a + * glClear. + * + * Note: Comparing without an epsilon is considered + * appropriate here. + */ + if (buffers & COGL_BUFFER_BIT_COLOR && + buffers & COGL_BUFFER_BIT_DEPTH && + !framebuffer->clear_clip_dirty && + framebuffer->clear_color_red == red && + framebuffer->clear_color_green == green && + framebuffer->clear_color_blue == blue && + framebuffer->clear_color_alpha == alpha && + scissor_x0 == framebuffer->clear_clip_x0 && + scissor_y0 == framebuffer->clear_clip_y0 && + scissor_x1 == framebuffer->clear_clip_x1 && + scissor_y1 == framebuffer->clear_clip_y1) + { + /* NB: We only have to consider the clip state of journal + * entries if the current clear is clipped since otherwise we + * know every pixel of the framebuffer is affected by the clear + * and so all journal entries become redundant and can simply be + * discarded. + */ + if (clip_stack) + { + /* + * Note: the function for checking the journal entries is + * quite strict. It avoids detailed checking of all entry + * clip_stacks by only checking the details of the first + * entry and then it only verifies that the remaining + * entries share the same clip_stack ancestry. This means + * it's possible for some false negatives here but that will + * just result in us falling back to a real clear. + */ + if (_cogl_journal_all_entries_within_bounds (framebuffer->journal, + scissor_x0, scissor_y0, + scissor_x1, scissor_y1)) + { + _cogl_journal_discard (framebuffer->journal); + goto cleared; + } + } + else + { + _cogl_journal_discard (framebuffer->journal); + goto cleared; + } + } + + COGL_NOTE (DRAW, "Clear begin"); + + _cogl_framebuffer_flush_journal (framebuffer); + + /* XXX: ONGOING BUG: Intel viewport scissor + * + * The semantics of cogl_framebuffer_clear() are that it should not + * be affected by the current viewport and so if we are currently + * applying a workaround for viewport scissoring we need to + * temporarily disable the workaround before clearing so any + * special scissoring for the workaround will be removed first. + * + * Note: we only need to disable the workaround if the current + * viewport doesn't match the framebuffer's size since otherwise + * the workaround wont affect clearing anyway. + */ + if (ctx->needs_viewport_scissor_workaround && + (framebuffer->viewport_x != 0 || + framebuffer->viewport_y != 0 || + framebuffer->viewport_width != framebuffer->width || + framebuffer->viewport_height != framebuffer->height)) + { + saved_viewport_scissor_workaround = TRUE; + ctx->needs_viewport_scissor_workaround = FALSE; + ctx->current_draw_buffer_changes |= COGL_FRAMEBUFFER_STATE_CLIP; + } + else + saved_viewport_scissor_workaround = FALSE; + + /* NB: _cogl_framebuffer_flush_state may disrupt various state (such + * as the pipeline state) when flushing the clip stack, so should + * always be done first when preparing to draw. */ + _cogl_framebuffer_flush_state (framebuffer, framebuffer, + COGL_FRAMEBUFFER_STATE_ALL); + + _cogl_framebuffer_clear_without_flush4f (framebuffer, buffers, + red, green, blue, alpha); + + /* XXX: ONGOING BUG: Intel viewport scissor + * + * See comment about temporarily disabling this workaround above + */ + if (saved_viewport_scissor_workaround) + { + ctx->needs_viewport_scissor_workaround = TRUE; + ctx->current_draw_buffer_changes |= COGL_FRAMEBUFFER_STATE_CLIP; + } + + /* This is a debugging variable used to visually display the quad + * batches from the journal. It is reset here to increase the + * chances of getting the same colours for each frame during an + * animation */ + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_RECTANGLES)) && + buffers & COGL_BUFFER_BIT_COLOR) + { + framebuffer->context->journal_rectangles_color = 1; + } + + COGL_NOTE (DRAW, "Clear end"); + +cleared: + + _cogl_framebuffer_mark_mid_scene (framebuffer); + _cogl_framebuffer_mark_clear_clip_dirty (framebuffer); + + if (buffers & COGL_BUFFER_BIT_COLOR && buffers & COGL_BUFFER_BIT_DEPTH) + { + /* For our fast-path for reading back a single pixel of simple + * scenes where the whole frame is in the journal we need to + * track the cleared color of the framebuffer in case the point + * read doesn't intersect any of the journal rectangles. */ + framebuffer->clear_clip_dirty = FALSE; + framebuffer->clear_color_red = red; + framebuffer->clear_color_green = green; + framebuffer->clear_color_blue = blue; + framebuffer->clear_color_alpha = alpha; + + /* NB: A clear may be scissored so we need to track the extents + * that the clear is applicable too... */ + if (clip_stack) + { + _cogl_clip_stack_get_bounds (clip_stack, + &framebuffer->clear_clip_x0, + &framebuffer->clear_clip_y0, + &framebuffer->clear_clip_x1, + &framebuffer->clear_clip_y1); + } + else + { + /* FIXME: set degenerate clip */ + } + } +} + +/* Note: the 'buffers' and 'color' arguments were switched around on + * purpose compared to the original cogl_clear API since it was odd + * that you would be expected to specify a color before even + * necessarily choosing to clear the color buffer. + */ +void +cogl_framebuffer_clear (CoglFramebuffer *framebuffer, + unsigned long buffers, + const CoglColor *color) +{ + cogl_framebuffer_clear4f (framebuffer, buffers, + cogl_color_get_red_float (color), + cogl_color_get_green_float (color), + cogl_color_get_blue_float (color), + cogl_color_get_alpha_float (color)); +} + +/* We will lazily allocate framebuffers if necessary when querying + * their size/viewport but note we need to be careful in the case of + * onscreen framebuffers that are instantiated with an initial request + * size that we don't trigger an allocation when this is queried since + * that would lead to a recursion when the winsys backend queries this + * requested size during allocation. */ +static void +ensure_size_initialized (CoglFramebuffer *framebuffer) +{ + /* In the case of offscreen framebuffers backed by a texture then + * until that texture has been allocated we might not know the size + * of the framebuffer */ + if (framebuffer->width < 0) + { + /* Currently we assume the size is always initialized for + * onscreen framebuffers. */ + _COGL_RETURN_IF_FAIL (cogl_is_offscreen (framebuffer)); + + /* We also assume the size would have been initialized if the + * framebuffer were allocated. */ + _COGL_RETURN_IF_FAIL (!framebuffer->allocated); + + cogl_framebuffer_allocate (framebuffer, NULL); + } +} + +int +cogl_framebuffer_get_width (CoglFramebuffer *framebuffer) +{ + ensure_size_initialized (framebuffer); + return framebuffer->width; +} + +int +cogl_framebuffer_get_height (CoglFramebuffer *framebuffer) +{ + ensure_size_initialized (framebuffer); + return framebuffer->height; +} + +CoglClipStack * +_cogl_framebuffer_get_clip_stack (CoglFramebuffer *framebuffer) +{ + return framebuffer->clip_stack; +} + +void +_cogl_framebuffer_set_clip_stack (CoglFramebuffer *framebuffer, + CoglClipStack *stack) +{ + _cogl_clip_stack_ref (stack); + _cogl_clip_stack_unref (framebuffer->clip_stack); + framebuffer->clip_stack = stack; +} + +void +cogl_framebuffer_set_viewport (CoglFramebuffer *framebuffer, + float x, + float y, + float width, + float height) +{ + CoglContext *context = framebuffer->context; + + _COGL_RETURN_IF_FAIL (width > 0 && height > 0); + + if (framebuffer->viewport_x == x && + framebuffer->viewport_y == y && + framebuffer->viewport_width == width && + framebuffer->viewport_height == height) + return; + + _cogl_framebuffer_flush_journal (framebuffer); + + framebuffer->viewport_x = x; + framebuffer->viewport_y = y; + framebuffer->viewport_width = width; + framebuffer->viewport_height = height; + framebuffer->viewport_age++; + + if (context->current_draw_buffer == framebuffer) + { + context->current_draw_buffer_changes |= COGL_FRAMEBUFFER_STATE_VIEWPORT; + + if (context->needs_viewport_scissor_workaround) + context->current_draw_buffer_changes |= COGL_FRAMEBUFFER_STATE_CLIP; + } +} + +float +cogl_framebuffer_get_viewport_x (CoglFramebuffer *framebuffer) +{ + return framebuffer->viewport_x; +} + +float +cogl_framebuffer_get_viewport_y (CoglFramebuffer *framebuffer) +{ + return framebuffer->viewport_y; +} + +float +cogl_framebuffer_get_viewport_width (CoglFramebuffer *framebuffer) +{ + ensure_size_initialized (framebuffer); + return framebuffer->viewport_width; +} + +float +cogl_framebuffer_get_viewport_height (CoglFramebuffer *framebuffer) +{ + ensure_size_initialized (framebuffer); + return framebuffer->viewport_height; +} + +void +cogl_framebuffer_get_viewport4fv (CoglFramebuffer *framebuffer, + float *viewport) +{ + ensure_size_initialized (framebuffer); + + viewport[0] = framebuffer->viewport_x; + viewport[1] = framebuffer->viewport_y; + viewport[2] = framebuffer->viewport_width; + viewport[3] = framebuffer->viewport_height; +} + +CoglMatrixStack * +_cogl_framebuffer_get_modelview_stack (CoglFramebuffer *framebuffer) +{ + return framebuffer->modelview_stack; +} + +CoglMatrixStack * +_cogl_framebuffer_get_projection_stack (CoglFramebuffer *framebuffer) +{ + return framebuffer->projection_stack; +} + +void +_cogl_framebuffer_add_dependency (CoglFramebuffer *framebuffer, + CoglFramebuffer *dependency) +{ + GList *l; + + for (l = framebuffer->deps; l; l = l->next) + { + CoglFramebuffer *existing_dep = l->data; + if (existing_dep == dependency) + return; + } + + /* TODO: generalize the primed-array type structure we e.g. use for + * cogl_object_set_user_data or for pipeline children as a way to + * avoid quite a lot of mid-scene micro allocations here... */ + framebuffer->deps = + g_list_prepend (framebuffer->deps, cogl_object_ref (dependency)); +} + +void +_cogl_framebuffer_remove_all_dependencies (CoglFramebuffer *framebuffer) +{ + GList *l; + for (l = framebuffer->deps; l; l = l->next) + cogl_object_unref (l->data); + g_list_free (framebuffer->deps); + framebuffer->deps = NULL; +} + +void +_cogl_framebuffer_flush_journal (CoglFramebuffer *framebuffer) +{ + _cogl_journal_flush (framebuffer->journal); +} + +void +_cogl_framebuffer_flush_dependency_journals (CoglFramebuffer *framebuffer) +{ + GList *l; + for (l = framebuffer->deps; l; l = l->next) + _cogl_framebuffer_flush_journal (l->data); + _cogl_framebuffer_remove_all_dependencies (framebuffer); +} + +CoglOffscreen * +_cogl_offscreen_new_with_texture_full (CoglTexture *texture, + CoglOffscreenFlags create_flags, + int level) +{ + CoglContext *ctx = texture->context; + CoglOffscreen *offscreen; + CoglFramebuffer *fb; + CoglOffscreen *ret; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_texture (texture), NULL); + + offscreen = g_new0 (CoglOffscreen, 1); + offscreen->texture = cogl_object_ref (texture); + offscreen->texture_level = level; + offscreen->create_flags = create_flags; + + fb = COGL_FRAMEBUFFER (offscreen); + + /* NB: we can't assume we can query the texture's width yet, since + * it might not have been allocated yet and for example if the + * texture is being loaded from a file then the file might not + * have been read yet. */ + + _cogl_framebuffer_init (fb, + ctx, + COGL_FRAMEBUFFER_TYPE_OFFSCREEN, + -1, /* unknown width, until allocation */ + -1); /* unknown height until allocation */ + + ret = _cogl_offscreen_object_new (offscreen); + + _cogl_texture_associate_framebuffer (texture, fb); + + return ret; +} + +/* XXX: deprecated api */ +CoglOffscreen * +cogl_offscreen_new_to_texture (CoglTexture *texture) +{ + CoglOffscreen *ret = _cogl_offscreen_new_with_texture_full (texture, 0, 0); + CoglError *error = NULL; + + if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (ret), &error)) + { + cogl_object_unref (ret); + cogl_error_free (error); + ret = NULL; + } + + return ret; +} + +CoglOffscreen * +cogl_offscreen_new_with_texture (CoglTexture *texture) +{ + return _cogl_offscreen_new_with_texture_full (texture, 0, 0); +} + +static void +_cogl_offscreen_free (CoglOffscreen *offscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (offscreen); + CoglContext *ctx = framebuffer->context; + + ctx->driver_vtable->offscreen_free (offscreen); + + /* Chain up to parent */ + _cogl_framebuffer_free (framebuffer); + + if (offscreen->texture != NULL) + cogl_object_unref (offscreen->texture); + + if (offscreen->depth_texture != NULL) + cogl_object_unref (offscreen->depth_texture); + + g_free (offscreen); +} + +CoglBool +cogl_framebuffer_allocate (CoglFramebuffer *framebuffer, + CoglError **error) +{ + CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer); + const CoglWinsysVtable *winsys = _cogl_framebuffer_get_winsys (framebuffer); + CoglContext *ctx = framebuffer->context; + + if (framebuffer->allocated) + return TRUE; + + if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN) + { + if (framebuffer->config.depth_texture_enabled) + { + _cogl_set_error (error, COGL_FRAMEBUFFER_ERROR, + COGL_FRAMEBUFFER_ERROR_ALLOCATE, + "Can't allocate onscreen framebuffer with a " + "texture based depth buffer"); + return FALSE; + } + + if (!winsys->onscreen_init (onscreen, error)) + return FALSE; + + /* If the winsys doesn't support dirty events then we'll report + * one on allocation so that if the application only paints in + * response to dirty events then it will at least paint once to + * start */ + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_DIRTY_EVENTS)) + _cogl_onscreen_queue_full_dirty (onscreen); + } + else + { + CoglOffscreen *offscreen = COGL_OFFSCREEN (framebuffer); + + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN)) + { + _cogl_set_error (error, COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Offscreen framebuffers not supported by system"); + return FALSE; + } + + if (!cogl_texture_allocate (offscreen->texture, error)) + return FALSE; + + /* NB: it's only after allocating the texture that we will + * determine whether a texture needs slicing... */ + if (cogl_texture_is_sliced (offscreen->texture)) + { + _cogl_set_error (error, COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Can't create offscreen framebuffer from " + "sliced texture"); + return FALSE; + } + + /* Now that the texture has been allocated we can determine a + * size for the framebuffer... */ + framebuffer->width = cogl_texture_get_width (offscreen->texture); + framebuffer->height = cogl_texture_get_height (offscreen->texture); + framebuffer->viewport_width = framebuffer->width; + framebuffer->viewport_height = framebuffer->height; + + /* Forward the texture format as the internal format of the + * framebuffer */ + framebuffer->internal_format = + _cogl_texture_get_format (offscreen->texture); + + if (!ctx->driver_vtable->offscreen_allocate (offscreen, error)) + return FALSE; + } + + framebuffer->allocated = TRUE; + + return TRUE; +} + +static unsigned long +_cogl_framebuffer_compare_viewport_state (CoglFramebuffer *a, + CoglFramebuffer *b) +{ + if (a->viewport_x != b->viewport_x || + a->viewport_y != b->viewport_y || + a->viewport_width != b->viewport_width || + a->viewport_height != b->viewport_height || + /* NB: we render upside down to offscreen framebuffers and that + * can affect how we setup the GL viewport... */ + a->type != b->type) + { + unsigned long differences = COGL_FRAMEBUFFER_STATE_VIEWPORT; + CoglContext *context = a->context; + + /* XXX: ONGOING BUG: Intel viewport scissor + * + * Intel gen6 drivers don't currently correctly handle offset + * viewports, since primitives aren't clipped within the bounds of + * the viewport. To workaround this we push our own clip for the + * viewport that will use scissoring to ensure we clip as expected. + * + * This workaround implies that a change in viewport state is + * effectively also a change in the clipping state. + * + * TODO: file a bug upstream! + */ + if (G_UNLIKELY (context->needs_viewport_scissor_workaround)) + differences |= COGL_FRAMEBUFFER_STATE_CLIP; + + return differences; + } + else + return 0; +} + +static unsigned long +_cogl_framebuffer_compare_clip_state (CoglFramebuffer *a, + CoglFramebuffer *b) +{ + if (a->clip_stack != b->clip_stack) + return COGL_FRAMEBUFFER_STATE_CLIP; + else + return 0; +} + +static unsigned long +_cogl_framebuffer_compare_dither_state (CoglFramebuffer *a, + CoglFramebuffer *b) +{ + return a->dither_enabled != b->dither_enabled ? + COGL_FRAMEBUFFER_STATE_DITHER : 0; +} + +static unsigned long +_cogl_framebuffer_compare_modelview_state (CoglFramebuffer *a, + CoglFramebuffer *b) +{ + /* We always want to flush the modelview state. All this does is set + the current modelview stack on the context to the framebuffer's + stack. */ + return COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +static unsigned long +_cogl_framebuffer_compare_projection_state (CoglFramebuffer *a, + CoglFramebuffer *b) +{ + /* We always want to flush the projection state. All this does is + set the current projection stack on the context to the + framebuffer's stack. */ + return COGL_FRAMEBUFFER_STATE_PROJECTION; +} + +static unsigned long +_cogl_framebuffer_compare_color_mask_state (CoglFramebuffer *a, + CoglFramebuffer *b) +{ + if (cogl_framebuffer_get_color_mask (a) != + cogl_framebuffer_get_color_mask (b)) + return COGL_FRAMEBUFFER_STATE_COLOR_MASK; + else + return 0; +} + +static unsigned long +_cogl_framebuffer_compare_front_face_winding_state (CoglFramebuffer *a, + CoglFramebuffer *b) +{ + if (a->type != b->type) + return COGL_FRAMEBUFFER_STATE_FRONT_FACE_WINDING; + else + return 0; +} + +static unsigned long +_cogl_framebuffer_compare_depth_write_state (CoglFramebuffer *a, + CoglFramebuffer *b) +{ + return a->depth_writing_enabled != b->depth_writing_enabled ? + COGL_FRAMEBUFFER_STATE_DEPTH_WRITE : 0; +} + +unsigned long +_cogl_framebuffer_compare (CoglFramebuffer *a, + CoglFramebuffer *b, + unsigned long state) +{ + unsigned long differences = 0; + int bit; + + if (state & COGL_FRAMEBUFFER_STATE_BIND) + { + differences |= COGL_FRAMEBUFFER_STATE_BIND; + state &= ~COGL_FRAMEBUFFER_STATE_BIND; + } + + COGL_FLAGS_FOREACH_START (&state, 1, bit) + { + /* XXX: We considered having an array of callbacks for each state index + * that we'd call here but decided that this way the compiler is more + * likely going to be able to in-line the comparison functions and use + * the index to jump straight to the required code. */ + switch (bit) + { + case COGL_FRAMEBUFFER_STATE_INDEX_VIEWPORT: + differences |= + _cogl_framebuffer_compare_viewport_state (a, b); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_CLIP: + differences |= _cogl_framebuffer_compare_clip_state (a, b); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_DITHER: + differences |= _cogl_framebuffer_compare_dither_state (a, b); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_MODELVIEW: + differences |= + _cogl_framebuffer_compare_modelview_state (a, b); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_PROJECTION: + differences |= + _cogl_framebuffer_compare_projection_state (a, b); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_COLOR_MASK: + differences |= + _cogl_framebuffer_compare_color_mask_state (a, b); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_FRONT_FACE_WINDING: + differences |= + _cogl_framebuffer_compare_front_face_winding_state (a, b); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_DEPTH_WRITE: + differences |= + _cogl_framebuffer_compare_depth_write_state (a, b); + break; + default: + g_warn_if_reached (); + } + } + COGL_FLAGS_FOREACH_END; + + return differences; +} + +void +_cogl_framebuffer_flush_state (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer, + CoglFramebufferState state) +{ + CoglContext *ctx = draw_buffer->context; + + ctx->driver_vtable->framebuffer_flush_state (draw_buffer, + read_buffer, + state); +} + +int +cogl_framebuffer_get_red_bits (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + CoglFramebufferBits bits; + + ctx->driver_vtable->framebuffer_query_bits (framebuffer, &bits); + + return bits.red; +} + +int +cogl_framebuffer_get_green_bits (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + CoglFramebufferBits bits; + + ctx->driver_vtable->framebuffer_query_bits (framebuffer, &bits); + + return bits.green; +} + +int +cogl_framebuffer_get_blue_bits (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + CoglFramebufferBits bits; + + ctx->driver_vtable->framebuffer_query_bits (framebuffer, &bits); + + return bits.blue; +} + +int +cogl_framebuffer_get_alpha_bits (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + CoglFramebufferBits bits; + + ctx->driver_vtable->framebuffer_query_bits (framebuffer, &bits); + + return bits.alpha; +} + +int +cogl_framebuffer_get_depth_bits (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + CoglFramebufferBits bits; + + ctx->driver_vtable->framebuffer_query_bits (framebuffer, &bits); + + return bits.depth; +} + +int +_cogl_framebuffer_get_stencil_bits (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + CoglFramebufferBits bits; + + ctx->driver_vtable->framebuffer_query_bits (framebuffer, &bits); + + return bits.stencil; +} + +CoglColorMask +cogl_framebuffer_get_color_mask (CoglFramebuffer *framebuffer) +{ + return framebuffer->color_mask; +} + +void +cogl_framebuffer_set_color_mask (CoglFramebuffer *framebuffer, + CoglColorMask color_mask) +{ + if (framebuffer->color_mask == color_mask) + return; + + /* XXX: Currently color mask changes don't go through the journal */ + _cogl_framebuffer_flush_journal (framebuffer); + + framebuffer->color_mask = color_mask; + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_COLOR_MASK; +} + +CoglBool +cogl_framebuffer_get_depth_write_enabled (CoglFramebuffer *framebuffer) +{ + return framebuffer->depth_writing_enabled; +} + +void +cogl_framebuffer_set_depth_write_enabled (CoglFramebuffer *framebuffer, + CoglBool depth_write_enabled) +{ + if (framebuffer->depth_writing_enabled == depth_write_enabled) + return; + + /* XXX: Currently depth write changes don't go through the journal */ + _cogl_framebuffer_flush_journal (framebuffer); + + framebuffer->depth_writing_enabled = depth_write_enabled; + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_DEPTH_WRITE; +} + +CoglBool +cogl_framebuffer_get_dither_enabled (CoglFramebuffer *framebuffer) +{ + return framebuffer->dither_enabled; +} + +void +cogl_framebuffer_set_dither_enabled (CoglFramebuffer *framebuffer, + CoglBool dither_enabled) +{ + if (framebuffer->dither_enabled == dither_enabled) + return; + + cogl_flush (); /* Currently dithering changes aren't tracked in the journal */ + framebuffer->dither_enabled = dither_enabled; + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_DITHER; +} + +void +cogl_framebuffer_set_depth_texture_enabled (CoglFramebuffer *framebuffer, + CoglBool enabled) +{ + _COGL_RETURN_IF_FAIL (!framebuffer->allocated); + + framebuffer->config.depth_texture_enabled = enabled; +} + +CoglBool +cogl_framebuffer_get_depth_texture_enabled (CoglFramebuffer *framebuffer) +{ + return framebuffer->config.depth_texture_enabled; +} + +CoglTexture * +cogl_framebuffer_get_depth_texture (CoglFramebuffer *framebuffer) +{ + /* lazily allocate the framebuffer... */ + if (!cogl_framebuffer_allocate (framebuffer, NULL)) + return NULL; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_offscreen (framebuffer), NULL); + return COGL_OFFSCREEN(framebuffer)->depth_texture; +} + +int +cogl_framebuffer_get_samples_per_pixel (CoglFramebuffer *framebuffer) +{ + if (framebuffer->allocated) + return framebuffer->samples_per_pixel; + else + return framebuffer->config.samples_per_pixel; +} + +void +cogl_framebuffer_set_samples_per_pixel (CoglFramebuffer *framebuffer, + int samples_per_pixel) +{ + _COGL_RETURN_IF_FAIL (!framebuffer->allocated); + + framebuffer->config.samples_per_pixel = samples_per_pixel; +} + +void +cogl_framebuffer_resolve_samples (CoglFramebuffer *framebuffer) +{ + cogl_framebuffer_resolve_samples_region (framebuffer, + 0, 0, + framebuffer->width, + framebuffer->height); + + /* TODO: Make this happen implicitly when the resolve texture next gets used + * as a source, either via cogl_texture_get_data(), via cogl_read_pixels() or + * if used as a source for rendering. We would also implicitly resolve if + * necessary before freeing a CoglFramebuffer. + * + * This API should still be kept but it is optional, only necessary + * if the user wants to explicitly control when the resolve happens e.g. + * to ensure it's done in advance of it being used as a source. + * + * Every texture should have a CoglFramebuffer *needs_resolve member + * internally. When the texture gets validated before being used as a source + * we should first check the needs_resolve pointer and if set we'll + * automatically call cogl_framebuffer_resolve_samples (). + * + * Calling cogl_framebuffer_resolve_samples() or + * cogl_framebuffer_resolve_samples_region() should reset the textures + * needs_resolve pointer to NULL. + * + * Rendering anything to a framebuffer will cause the corresponding + * texture's ->needs_resolve pointer to be set. + * + * XXX: Note: we only need to address this TODO item when adding support for + * EXT_framebuffer_multisample because currently we only support hardware + * that resolves implicitly anyway. + */ +} + +void +cogl_framebuffer_resolve_samples_region (CoglFramebuffer *framebuffer, + int x, + int y, + int width, + int height) +{ + /* NOP for now since we don't support EXT_framebuffer_multisample yet which + * requires an explicit resolve. */ +} + +CoglContext * +cogl_framebuffer_get_context (CoglFramebuffer *framebuffer) +{ + _COGL_RETURN_VAL_IF_FAIL (framebuffer != NULL, NULL); + + return framebuffer->context; +} + +static CoglBool +_cogl_framebuffer_try_fast_read_pixel (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap) +{ + CoglBool found_intersection; + CoglPixelFormat format; + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_FAST_READ_PIXEL))) + return FALSE; + + if (source != COGL_READ_PIXELS_COLOR_BUFFER) + return FALSE; + + format = cogl_bitmap_get_format (bitmap); + + if (format != COGL_PIXEL_FORMAT_RGBA_8888_PRE && + format != COGL_PIXEL_FORMAT_RGBA_8888) + return FALSE; + + if (!_cogl_journal_try_read_pixel (framebuffer->journal, + x, y, bitmap, + &found_intersection)) + return FALSE; + + /* If we can't determine the color from the primitives in the + * journal then see if we can use the last recorded clear color + */ + + /* If _cogl_journal_try_read_pixel() failed even though there was an + * intersection of the given point with a primitive in the journal + * then we can't fallback to the framebuffer's last clear color... + * */ + if (found_intersection) + return TRUE; + + /* If the framebuffer has been rendered too since it was last + * cleared then we can't return the last known clear color. */ + if (framebuffer->clear_clip_dirty) + return FALSE; + + if (x >= framebuffer->clear_clip_x0 && + x < framebuffer->clear_clip_x1 && + y >= framebuffer->clear_clip_y0 && + y < framebuffer->clear_clip_y1) + { + uint8_t *pixel; + CoglError *ignore_error = NULL; + + /* we currently only care about cases where the premultiplied or + * unpremultipled colors are equivalent... */ + if (framebuffer->clear_color_alpha != 1.0) + return FALSE; + + pixel = _cogl_bitmap_map (bitmap, + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + &ignore_error); + if (pixel == NULL) + { + cogl_error_free (ignore_error); + return FALSE; + } + + pixel[0] = framebuffer->clear_color_red * 255.0; + pixel[1] = framebuffer->clear_color_green * 255.0; + pixel[2] = framebuffer->clear_color_blue * 255.0; + pixel[3] = framebuffer->clear_color_alpha * 255.0; + + _cogl_bitmap_unmap (bitmap); + + return TRUE; + } + + return FALSE; +} + +CoglBool +_cogl_framebuffer_read_pixels_into_bitmap (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap, + CoglError **error) +{ + CoglContext *ctx; + int width; + int height; + + _COGL_RETURN_VAL_IF_FAIL (source & COGL_READ_PIXELS_COLOR_BUFFER, FALSE); + _COGL_RETURN_VAL_IF_FAIL (cogl_is_framebuffer (framebuffer), FALSE); + + if (!cogl_framebuffer_allocate (framebuffer, error)) + return FALSE; + + width = cogl_bitmap_get_width (bitmap); + height = cogl_bitmap_get_height (bitmap); + + if (width == 1 && height == 1 && !framebuffer->clear_clip_dirty) + { + /* If everything drawn so far for this frame is still in the + * Journal then if all of the rectangles only have a flat + * opaque color we have a fast-path for reading a single pixel + * that avoids the relatively high cost of flushing primitives + * to be drawn on the GPU (considering how simple the geometry + * is in this case) and then blocking on the long GPU pipelines + * for the result. + */ + if (_cogl_framebuffer_try_fast_read_pixel (framebuffer, + x, y, source, bitmap)) + return TRUE; + } + + ctx = cogl_framebuffer_get_context (framebuffer); + + /* make sure any batched primitives get emitted to the driver + * before issuing our read pixels... + */ + _cogl_framebuffer_flush_journal (framebuffer); + + return ctx->driver_vtable->framebuffer_read_pixels_into_bitmap (framebuffer, + x, y, + source, + bitmap, + error); +} + +CoglBool +cogl_framebuffer_read_pixels_into_bitmap (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap) +{ + CoglError *ignore_error = NULL; + CoglBool status = + _cogl_framebuffer_read_pixels_into_bitmap (framebuffer, + x, y, source, bitmap, + &ignore_error); + if (!status) + cogl_error_free (ignore_error); + return status; +} + +CoglBool +cogl_framebuffer_read_pixels (CoglFramebuffer *framebuffer, + int x, + int y, + int width, + int height, + CoglPixelFormat format, + uint8_t *pixels) +{ + int bpp = _cogl_pixel_format_get_bytes_per_pixel (format); + CoglBitmap *bitmap; + CoglBool ret; + + bitmap = cogl_bitmap_new_for_data (framebuffer->context, + width, height, + format, + bpp * width, /* rowstride */ + pixels); + + /* Note: we don't try and catch errors here since we created the + * bitmap storage up-front and can assume we wont hit an + * out-of-memory error which should be the only exception + * this api throws. + */ + ret = _cogl_framebuffer_read_pixels_into_bitmap (framebuffer, + x, y, + COGL_READ_PIXELS_COLOR_BUFFER, + bitmap, + NULL); + cogl_object_unref (bitmap); + + return ret; +} + +void +_cogl_blit_framebuffer (CoglFramebuffer *src, + CoglFramebuffer *dest, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height) +{ + CoglContext *ctx = src->context; + + _COGL_RETURN_IF_FAIL (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_OFFSCREEN_BLIT)); + + /* We can only support blitting between offscreen buffers because + otherwise we would need to mirror the image and GLES2.0 doesn't + support this */ + _COGL_RETURN_IF_FAIL (cogl_is_offscreen (src)); + _COGL_RETURN_IF_FAIL (cogl_is_offscreen (dest)); + /* The buffers must be the same format */ + _COGL_RETURN_IF_FAIL (src->internal_format == dest->internal_format); + + /* Make sure the current framebuffers are bound. We explicitly avoid + flushing the clip state so we can bind our own empty state */ + _cogl_framebuffer_flush_state (dest, + src, + COGL_FRAMEBUFFER_STATE_ALL & + ~COGL_FRAMEBUFFER_STATE_CLIP); + + /* Flush any empty clip stack because glBlitFramebuffer is affected + by the scissor and we want to hide this feature for the Cogl API + because it's not obvious to an app how the clip state will affect + the scissor */ + _cogl_clip_stack_flush (NULL, dest); + + /* XXX: Because we are manually flushing clip state here we need to + * make sure that the clip state gets updated the next time we flush + * framebuffer state by marking the current framebuffer's clip state + * as changed */ + ctx->current_draw_buffer_changes |= COGL_FRAMEBUFFER_STATE_CLIP; + + ctx->glBlitFramebuffer (src_x, src_y, + src_x + width, src_y + height, + dst_x, dst_y, + dst_x + width, dst_y + height, + GL_COLOR_BUFFER_BIT, + GL_NEAREST); +} + +void +cogl_framebuffer_discard_buffers (CoglFramebuffer *framebuffer, + unsigned long buffers) +{ + CoglContext *ctx = framebuffer->context; + + _COGL_RETURN_IF_FAIL (buffers & COGL_BUFFER_BIT_COLOR); + + ctx->driver_vtable->framebuffer_discard_buffers (framebuffer, buffers); +} + +void +cogl_framebuffer_finish (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + + _cogl_framebuffer_flush_journal (framebuffer); + + ctx->driver_vtable->framebuffer_finish (framebuffer); +} + +void +cogl_framebuffer_push_matrix (CoglFramebuffer *framebuffer) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_push (modelview_stack); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +void +cogl_framebuffer_pop_matrix (CoglFramebuffer *framebuffer) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_pop (modelview_stack); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +void +cogl_framebuffer_identity_matrix (CoglFramebuffer *framebuffer) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_load_identity (modelview_stack); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +void +cogl_framebuffer_scale (CoglFramebuffer *framebuffer, + float x, + float y, + float z) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_scale (modelview_stack, x, y, z); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +void +cogl_framebuffer_translate (CoglFramebuffer *framebuffer, + float x, + float y, + float z) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_translate (modelview_stack, x, y, z); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +void +cogl_framebuffer_rotate (CoglFramebuffer *framebuffer, + float angle, + float x, + float y, + float z) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_rotate (modelview_stack, angle, x, y, z); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +void +cogl_framebuffer_rotate_quaternion (CoglFramebuffer *framebuffer, + const CoglQuaternion *quaternion) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_rotate_quaternion (modelview_stack, quaternion); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +void +cogl_framebuffer_rotate_euler (CoglFramebuffer *framebuffer, + const CoglEuler *euler) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_rotate_euler (modelview_stack, euler); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +void +cogl_framebuffer_transform (CoglFramebuffer *framebuffer, + const CoglMatrix *matrix) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_multiply (modelview_stack, matrix); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; +} + +void +cogl_framebuffer_perspective (CoglFramebuffer *framebuffer, + float fov_y, + float aspect, + float z_near, + float z_far) +{ + float ymax = z_near * tanf (fov_y * G_PI / 360.0); + + cogl_framebuffer_frustum (framebuffer, + -ymax * aspect, /* left */ + ymax * aspect, /* right */ + -ymax, /* bottom */ + ymax, /* top */ + z_near, + z_far); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_PROJECTION; +} + +void +cogl_framebuffer_frustum (CoglFramebuffer *framebuffer, + float left, + float right, + float bottom, + float top, + float z_near, + float z_far) +{ + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + + /* XXX: The projection matrix isn't currently tracked in the journal + * so we need to flush all journaled primitives first... */ + _cogl_framebuffer_flush_journal (framebuffer); + + cogl_matrix_stack_load_identity (projection_stack); + + cogl_matrix_stack_frustum (projection_stack, + left, + right, + bottom, + top, + z_near, + z_far); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_PROJECTION; +} + +void +cogl_framebuffer_orthographic (CoglFramebuffer *framebuffer, + float x_1, + float y_1, + float x_2, + float y_2, + float near, + float far) +{ + CoglMatrix ortho; + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + + /* XXX: The projection matrix isn't currently tracked in the journal + * so we need to flush all journaled primitives first... */ + _cogl_framebuffer_flush_journal (framebuffer); + + cogl_matrix_init_identity (&ortho); + cogl_matrix_orthographic (&ortho, x_1, y_1, x_2, y_2, near, far); + cogl_matrix_stack_set (projection_stack, &ortho); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_PROJECTION; +} + +void +_cogl_framebuffer_push_projection (CoglFramebuffer *framebuffer) +{ + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + cogl_matrix_stack_push (projection_stack); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_PROJECTION; +} + +void +_cogl_framebuffer_pop_projection (CoglFramebuffer *framebuffer) +{ + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + cogl_matrix_stack_pop (projection_stack); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_PROJECTION; +} + +void +cogl_framebuffer_get_modelview_matrix (CoglFramebuffer *framebuffer, + CoglMatrix *matrix) +{ + CoglMatrixEntry *modelview_entry = + _cogl_framebuffer_get_modelview_entry (framebuffer); + cogl_matrix_entry_get (modelview_entry, matrix); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +void +cogl_framebuffer_set_modelview_matrix (CoglFramebuffer *framebuffer, + const CoglMatrix *matrix) +{ + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + cogl_matrix_stack_set (modelview_stack, matrix); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_MODELVIEW; + + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +void +cogl_framebuffer_get_projection_matrix (CoglFramebuffer *framebuffer, + CoglMatrix *matrix) +{ + CoglMatrixEntry *projection_entry = + _cogl_framebuffer_get_projection_entry (framebuffer); + cogl_matrix_entry_get (projection_entry, matrix); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +void +cogl_framebuffer_set_projection_matrix (CoglFramebuffer *framebuffer, + const CoglMatrix *matrix) +{ + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + + /* XXX: The projection matrix isn't currently tracked in the journal + * so we need to flush all journaled primitives first... */ + _cogl_framebuffer_flush_journal (framebuffer); + + cogl_matrix_stack_set (projection_stack, matrix); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_PROJECTION; + + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +void +cogl_framebuffer_push_scissor_clip (CoglFramebuffer *framebuffer, + int x, + int y, + int width, + int height) +{ + framebuffer->clip_stack = + _cogl_clip_stack_push_window_rectangle (framebuffer->clip_stack, + x, y, width, height); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_CLIP; +} + +void +cogl_framebuffer_push_rectangle_clip (CoglFramebuffer *framebuffer, + float x_1, + float y_1, + float x_2, + float y_2) +{ + CoglMatrixEntry *modelview_entry = + _cogl_framebuffer_get_modelview_entry (framebuffer); + CoglMatrixEntry *projection_entry = + _cogl_framebuffer_get_projection_entry (framebuffer); + /* XXX: It would be nicer if we stored the private viewport as a + * vec4 so we could avoid this redundant copy. */ + float viewport[] = { + framebuffer->viewport_x, + framebuffer->viewport_y, + framebuffer->viewport_width, + framebuffer->viewport_height + }; + + framebuffer->clip_stack = + _cogl_clip_stack_push_rectangle (framebuffer->clip_stack, + x_1, y_1, x_2, y_2, + modelview_entry, + projection_entry, + viewport); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_CLIP; +} + +void +cogl_framebuffer_push_primitive_clip (CoglFramebuffer *framebuffer, + CoglPrimitive *primitive, + float bounds_x1, + float bounds_y1, + float bounds_x2, + float bounds_y2) +{ + CoglMatrixEntry *modelview_entry = + _cogl_framebuffer_get_modelview_entry (framebuffer); + CoglMatrixEntry *projection_entry = + _cogl_framebuffer_get_projection_entry (framebuffer); + /* XXX: It would be nicer if we stored the private viewport as a + * vec4 so we could avoid this redundant copy. */ + float viewport[] = { + framebuffer->viewport_x, + framebuffer->viewport_y, + framebuffer->viewport_width, + framebuffer->viewport_height + }; + + framebuffer->clip_stack = + _cogl_clip_stack_push_primitive (framebuffer->clip_stack, + primitive, + bounds_x1, bounds_y1, + bounds_x2, bounds_y2, + modelview_entry, + projection_entry, + viewport); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_CLIP; +} + +void +cogl_framebuffer_pop_clip (CoglFramebuffer *framebuffer) +{ + framebuffer->clip_stack = _cogl_clip_stack_pop (framebuffer->clip_stack); + + if (framebuffer->context->current_draw_buffer == framebuffer) + framebuffer->context->current_draw_buffer_changes |= + COGL_FRAMEBUFFER_STATE_CLIP; +} + +void +_cogl_framebuffer_unref (CoglFramebuffer *framebuffer) +{ + /* The journal holds a reference to the framebuffer whenever it is + non-empty. Therefore if the journal is non-empty and we will have + exactly one reference then we know the journal is the only thing + keeping the framebuffer alive. In that case we want to flush the + journal and let the framebuffer die. It is fine at this point if + flushing the journal causes something else to take a reference to + it and it comes back to life */ + if (framebuffer->journal->entries->len > 0) + { + unsigned int ref_count = ((CoglObject *) framebuffer)->ref_count; + + /* There should be at least two references - the one we are + about to drop and the one held by the journal */ + if (ref_count < 2) + g_warning ("Inconsistent ref count on a framebuffer with journal " + "entries."); + + if (ref_count == 2) + _cogl_framebuffer_flush_journal (framebuffer); + } + + /* Chain-up */ + _cogl_object_default_unref (framebuffer); +} + +#ifdef COGL_ENABLE_DEBUG +static int +get_index (void *indices, + CoglIndicesType type, + int _index) +{ + if (!indices) + return _index; + + switch (type) + { + case COGL_INDICES_TYPE_UNSIGNED_BYTE: + return ((uint8_t *)indices)[_index]; + case COGL_INDICES_TYPE_UNSIGNED_SHORT: + return ((uint16_t *)indices)[_index]; + case COGL_INDICES_TYPE_UNSIGNED_INT: + return ((uint32_t *)indices)[_index]; + } + + g_return_val_if_reached (0); +} + +static void +add_line (uint32_t *line_indices, + int base, + void *user_indices, + CoglIndicesType user_indices_type, + int index0, + int index1, + int *pos) +{ + index0 = get_index (user_indices, user_indices_type, index0); + index1 = get_index (user_indices, user_indices_type, index1); + + line_indices[(*pos)++] = base + index0; + line_indices[(*pos)++] = base + index1; +} + +static int +get_line_count (CoglVerticesMode mode, int n_vertices) +{ + if (mode == COGL_VERTICES_MODE_TRIANGLES && + (n_vertices % 3) == 0) + { + return n_vertices; + } + else if (mode == COGL_VERTICES_MODE_TRIANGLE_FAN && + n_vertices >= 3) + { + return 2 * n_vertices - 3; + } + else if (mode == COGL_VERTICES_MODE_TRIANGLE_STRIP && + n_vertices >= 3) + { + return 2 * n_vertices - 3; + } + /* In the journal we are a bit sneaky and actually use GL_QUADS + * which isn't actually a valid CoglVerticesMode! */ +#ifdef HAVE_COGL_GL + else if (mode == GL_QUADS && (n_vertices % 4) == 0) + { + return n_vertices; + } +#endif + + g_return_val_if_reached (0); +} + +static CoglIndices * +get_wire_line_indices (CoglContext *ctx, + CoglVerticesMode mode, + int first_vertex, + int n_vertices_in, + CoglIndices *user_indices, + int *n_indices) +{ + int n_lines; + uint32_t *line_indices; + CoglIndexBuffer *index_buffer; + void *indices; + CoglIndicesType indices_type; + int base = first_vertex; + int pos; + int i; + CoglIndices *ret; + + if (user_indices) + { + index_buffer = cogl_indices_get_buffer (user_indices); + indices = _cogl_buffer_map (COGL_BUFFER (index_buffer), + COGL_BUFFER_ACCESS_READ, 0, + NULL); + indices_type = cogl_indices_get_type (user_indices); + } + else + { + index_buffer = NULL; + indices = NULL; + indices_type = COGL_INDICES_TYPE_UNSIGNED_BYTE; + } + + n_lines = get_line_count (mode, n_vertices_in); + + /* Note: we are using COGL_INDICES_TYPE_UNSIGNED_INT so 4 bytes per index. */ + line_indices = g_malloc (4 * n_lines * 2); + + pos = 0; + + if (mode == COGL_VERTICES_MODE_TRIANGLES && + (n_vertices_in % 3) == 0) + { + for (i = 0; i < n_vertices_in; i += 3) + { + add_line (line_indices, base, indices, indices_type, i, i+1, &pos); + add_line (line_indices, base, indices, indices_type, i+1, i+2, &pos); + add_line (line_indices, base, indices, indices_type, i+2, i, &pos); + } + } + else if (mode == COGL_VERTICES_MODE_TRIANGLE_FAN && + n_vertices_in >= 3) + { + add_line (line_indices, base, indices, indices_type, 0, 1, &pos); + add_line (line_indices, base, indices, indices_type, 1, 2, &pos); + add_line (line_indices, base, indices, indices_type, 0, 2, &pos); + + for (i = 3; i < n_vertices_in; i++) + { + add_line (line_indices, base, indices, indices_type, i - 1, i, &pos); + add_line (line_indices, base, indices, indices_type, 0, i, &pos); + } + } + else if (mode == COGL_VERTICES_MODE_TRIANGLE_STRIP && + n_vertices_in >= 3) + { + add_line (line_indices, base, indices, indices_type, 0, 1, &pos); + add_line (line_indices, base, indices, indices_type, 1, 2, &pos); + add_line (line_indices, base, indices, indices_type, 0, 2, &pos); + + for (i = 3; i < n_vertices_in; i++) + { + add_line (line_indices, base, indices, indices_type, i - 1, i, &pos); + add_line (line_indices, base, indices, indices_type, i - 2, i, &pos); + } + } + /* In the journal we are a bit sneaky and actually use GL_QUADS + * which isn't actually a valid CoglVerticesMode! */ +#ifdef HAVE_COGL_GL + else if (mode == GL_QUADS && (n_vertices_in % 4) == 0) + { + for (i = 0; i < n_vertices_in; i += 4) + { + add_line (line_indices, + base, indices, indices_type, i, i + 1, &pos); + add_line (line_indices, + base, indices, indices_type, i + 1, i + 2, &pos); + add_line (line_indices, + base, indices, indices_type, i + 2, i + 3, &pos); + add_line (line_indices, + base, indices, indices_type, i + 3, i, &pos); + } + } +#endif + + if (user_indices) + cogl_buffer_unmap (COGL_BUFFER (index_buffer)); + + *n_indices = n_lines * 2; + + ret = cogl_indices_new (ctx, + COGL_INDICES_TYPE_UNSIGNED_INT, + line_indices, + *n_indices); + + g_free (line_indices); + + return ret; +} + +static CoglBool +remove_layer_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + cogl_pipeline_remove_layer (pipeline, layer_index); + return TRUE; +} + +static void +pipeline_destroyed_cb (CoglPipeline *weak_pipeline, void *user_data) +{ + CoglPipeline *original_pipeline = user_data; + + /* XXX: I think we probably need to provide a custom unref function for + * CoglPipeline because it's possible that we will reach this callback + * because original_pipeline is being freed which means cogl_object_unref + * will have already freed any associated user data. + * + * Setting more user data here will *probably* succeed but that may allocate + * a new user-data array which could be leaked. + * + * Potentially we could have a _cogl_object_free_user_data function so + * that a custom unref function could be written that can destroy weak + * pipeline children before removing user data. + */ + cogl_object_set_user_data (COGL_OBJECT (original_pipeline), + &wire_pipeline_key, NULL, NULL); + + cogl_object_unref (weak_pipeline); +} + +static void +draw_wireframe (CoglContext *ctx, + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes, + CoglIndices *indices, + CoglDrawFlags flags) +{ + CoglIndices *wire_indices; + CoglPipeline *wire_pipeline; + int n_indices; + + wire_indices = get_wire_line_indices (ctx, + mode, + first_vertex, + n_vertices, + indices, + &n_indices); + + wire_pipeline = cogl_object_get_user_data (COGL_OBJECT (pipeline), + &wire_pipeline_key); + + if (!wire_pipeline) + { + wire_pipeline = + _cogl_pipeline_weak_copy (pipeline, pipeline_destroyed_cb, NULL); + + cogl_object_set_user_data (COGL_OBJECT (pipeline), + &wire_pipeline_key, wire_pipeline, + NULL); + + /* If we have glsl then the pipeline may have an associated + * vertex program and since we'd like to see the results of the + * vertex program in the wireframe we just add a final clobber + * of the wire color leaving the rest of the state untouched. */ + if (cogl_has_feature (framebuffer->context, COGL_FEATURE_ID_GLSL)) + { + static CoglSnippet *snippet = NULL; + + /* The snippet is cached so that it will reuse the program + * from the pipeline cache if possible */ + if (snippet == NULL) + { + snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, + NULL, + NULL); + cogl_snippet_set_replace (snippet, + "cogl_color_out = " + "vec4 (0.0, 1.0, 0.0, 1.0);\n"); + } + + cogl_pipeline_add_snippet (wire_pipeline, snippet); + } + else + { + cogl_pipeline_foreach_layer (wire_pipeline, remove_layer_cb, NULL); + cogl_pipeline_set_color4f (wire_pipeline, 0, 1, 0, 1); + } + } + + /* temporarily disable the wireframe to avoid recursion! */ + flags |= COGL_DRAW_SKIP_DEBUG_WIREFRAME; + _cogl_framebuffer_draw_indexed_attributes ( + framebuffer, + wire_pipeline, + COGL_VERTICES_MODE_LINES, + 0, + n_indices, + wire_indices, + attributes, + n_attributes, + flags); + COGL_DEBUG_SET_FLAG (COGL_DEBUG_WIREFRAME); + + cogl_object_unref (wire_indices); +} +#endif + +/* This can be called directly by the CoglJournal to draw attributes + * skipping the implicit journal flush, the framebuffer flush and + * pipeline validation. */ +void +_cogl_framebuffer_draw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags) +{ +#ifdef COGL_ENABLE_DEBUG + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_WIREFRAME) && + (flags & COGL_DRAW_SKIP_DEBUG_WIREFRAME) == 0) && + mode != COGL_VERTICES_MODE_LINES && + mode != COGL_VERTICES_MODE_LINE_LOOP && + mode != COGL_VERTICES_MODE_LINE_STRIP) + draw_wireframe (framebuffer->context, + framebuffer, pipeline, + mode, first_vertex, n_vertices, + attributes, n_attributes, NULL, + flags); + else +#endif + { + CoglContext *ctx = framebuffer->context; + + ctx->driver_vtable->framebuffer_draw_attributes (framebuffer, + pipeline, + mode, + first_vertex, + n_vertices, + attributes, + n_attributes, + flags); + } +} + +/* XXX: deprecated */ +void +cogl_framebuffer_draw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes) +{ + _cogl_framebuffer_draw_attributes (framebuffer, + pipeline, + mode, + first_vertex, + n_vertices, + attributes, n_attributes, + COGL_DRAW_SKIP_LEGACY_STATE); +} + +/* XXX: deprecated */ +void +cogl_framebuffer_vdraw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + ...) +{ + va_list ap; + int n_attributes; + CoglAttribute *attribute; + CoglAttribute **attributes; + int i; + + va_start (ap, n_vertices); + for (n_attributes = 0; va_arg (ap, CoglAttribute *); n_attributes++) + ; + va_end (ap); + + attributes = g_alloca (sizeof (CoglAttribute *) * n_attributes); + + va_start (ap, n_vertices); + for (i = 0; (attribute = va_arg (ap, CoglAttribute *)); i++) + attributes[i] = attribute; + va_end (ap); + + _cogl_framebuffer_draw_attributes (framebuffer, + pipeline, + mode, first_vertex, n_vertices, + attributes, n_attributes, + COGL_DRAW_SKIP_LEGACY_STATE); +} + +void +_cogl_framebuffer_draw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags) +{ +#ifdef COGL_ENABLE_DEBUG + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_WIREFRAME) && + (flags & COGL_DRAW_SKIP_DEBUG_WIREFRAME) == 0) && + mode != COGL_VERTICES_MODE_LINES && + mode != COGL_VERTICES_MODE_LINE_LOOP && + mode != COGL_VERTICES_MODE_LINE_STRIP) + draw_wireframe (framebuffer->context, + framebuffer, pipeline, + mode, first_vertex, n_vertices, + attributes, n_attributes, indices, + flags); + else +#endif + { + CoglContext *ctx = framebuffer->context; + + ctx->driver_vtable->framebuffer_draw_indexed_attributes (framebuffer, + pipeline, + mode, + first_vertex, + n_vertices, + indices, + attributes, + n_attributes, + flags); + } +} + +/* XXX: deprecated */ +void +cogl_framebuffer_draw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + CoglAttribute **attributes, + int n_attributes) +{ + _cogl_framebuffer_draw_indexed_attributes (framebuffer, + pipeline, + mode, first_vertex, + n_vertices, indices, + attributes, n_attributes, + COGL_DRAW_SKIP_LEGACY_STATE); +} + +/* XXX: deprecated */ +void +cogl_framebuffer_vdraw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + ...) + +{ + va_list ap; + int n_attributes; + CoglAttribute **attributes; + int i; + CoglAttribute *attribute; + + va_start (ap, indices); + for (n_attributes = 0; va_arg (ap, CoglAttribute *); n_attributes++) + ; + va_end (ap); + + attributes = g_alloca (sizeof (CoglAttribute *) * n_attributes); + + va_start (ap, indices); + for (i = 0; (attribute = va_arg (ap, CoglAttribute *)); i++) + attributes[i] = attribute; + va_end (ap); + + _cogl_framebuffer_draw_indexed_attributes (framebuffer, + pipeline, + mode, + first_vertex, + n_vertices, + indices, + attributes, + n_attributes, + COGL_DRAW_SKIP_LEGACY_STATE); +} + +void +cogl_framebuffer_draw_primitive (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglPrimitive *primitive) +{ + _cogl_primitive_draw (primitive, framebuffer, pipeline, + COGL_DRAW_SKIP_LEGACY_STATE); +} + +void +cogl_framebuffer_draw_rectangle (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + float x_1, + float y_1, + float x_2, + float y_2) +{ + const float position[4] = {x_1, y_1, x_2, y_2}; + CoglMultiTexturedRect rect; + + /* XXX: All the _*_rectangle* APIs normalize their input into an array of + * _CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_framebuffer_draw_multitextured_rectangles. + */ + + rect.position = position; + rect.tex_coords = NULL; + rect.tex_coords_len = 0; + + _cogl_framebuffer_draw_multitextured_rectangles (framebuffer, + pipeline, + &rect, + 1, + TRUE); +} + +void +cogl_framebuffer_draw_textured_rectangle (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + float x_1, + float y_1, + float x_2, + float y_2, + float s_1, + float t_1, + float s_2, + float t_2) +{ + const float position[4] = {x_1, y_1, x_2, y_2}; + const float tex_coords[4] = {s_1, t_1, s_2, t_2}; + CoglMultiTexturedRect rect; + + /* XXX: All the _*_rectangle* APIs normalize their input into an array of + * CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_framebuffer_draw_multitextured_rectangles. + */ + + rect.position = position; + rect.tex_coords = tex_coords; + rect.tex_coords_len = 4; + + _cogl_framebuffer_draw_multitextured_rectangles (framebuffer, + pipeline, + &rect, + 1, + TRUE); +} + +void +cogl_framebuffer_draw_multitextured_rectangle (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + float x_1, + float y_1, + float x_2, + float y_2, + const float *tex_coords, + int tex_coords_len) +{ + const float position[4] = {x_1, y_1, x_2, y_2}; + CoglMultiTexturedRect rect; + + /* XXX: All the _*_rectangle* APIs normalize their input into an array of + * CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_framebuffer_draw_multitextured_rectangles. + */ + + rect.position = position; + rect.tex_coords = tex_coords; + rect.tex_coords_len = tex_coords_len; + + _cogl_framebuffer_draw_multitextured_rectangles (framebuffer, + pipeline, + &rect, + 1, + TRUE); +} + +void +cogl_framebuffer_draw_rectangles (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + const float *coordinates, + unsigned int n_rectangles) +{ + CoglMultiTexturedRect *rects; + int i; + + /* XXX: All the _*_rectangle* APIs normalize their input into an array of + * CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_framebuffer_draw_multitextured_rectangles. + */ + + rects = g_alloca (n_rectangles * sizeof (CoglMultiTexturedRect)); + + for (i = 0; i < n_rectangles; i++) + { + rects[i].position = &coordinates[i * 4]; + rects[i].tex_coords = NULL; + rects[i].tex_coords_len = 0; + } + + _cogl_framebuffer_draw_multitextured_rectangles (framebuffer, + pipeline, + rects, + n_rectangles, + TRUE); +} + +void +cogl_framebuffer_draw_textured_rectangles (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + const float *coordinates, + unsigned int n_rectangles) +{ + CoglMultiTexturedRect *rects; + int i; + + /* XXX: All the _*_rectangle* APIs normalize their input into an array of + * _CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_framebuffer_draw_multitextured_rectangles. + */ + + rects = g_alloca (n_rectangles * sizeof (CoglMultiTexturedRect)); + + for (i = 0; i < n_rectangles; i++) + { + rects[i].position = &coordinates[i * 8]; + rects[i].tex_coords = &coordinates[i * 8 + 4]; + rects[i].tex_coords_len = 4; + } + + _cogl_framebuffer_draw_multitextured_rectangles (framebuffer, + pipeline, + rects, + n_rectangles, + TRUE); +} diff --git a/cogl/cogl-framebuffer.h b/cogl/cogl-framebuffer.h new file mode 100644 index 0000000..347284f --- /dev/null +++ b/cogl/cogl-framebuffer.h @@ -0,0 +1,1818 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_FRAMEBUFFER_H +#define __COGL_FRAMEBUFFER_H + +#ifdef COGL_HAS_WIN32_SUPPORT +#include +#endif /* COGL_HAS_WIN32_SUPPORT */ + +/* We forward declare the CoglFramebuffer type here to avoid some circular + * dependency issues with the following headers. + */ +#ifdef __COGL_H_INSIDE__ +/* For the public C api we typedef interface types as void to avoid needing + * lots of casting in code and instead we will rely on runtime type checking + * for these objects. */ +typedef void CoglFramebuffer; +#else +typedef struct _CoglFramebuffer CoglFramebuffer; +#define COGL_FRAMEBUFFER(X) ((CoglFramebuffer *)(X)) +#endif + +#include +#include +#include +#ifdef COGL_ENABLE_EXPERIMENTAL_API +#include +#include +#include +#endif +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-framebuffer + * @short_description: A common interface for manipulating framebuffers + * + * Framebuffers are a collection of buffers that can be rendered too. + * A framebuffer may be comprised of one or more color buffers, an + * optional depth buffer and an optional stencil buffer. Other + * configuration parameters are associated with framebuffers too such + * as whether the framebuffer supports multi-sampling (an anti-aliasing + * technique) or dithering. + * + * There are two kinds of framebuffer in Cogl, #CoglOnscreen + * framebuffers and #CoglOffscreen framebuffers. As the names imply + * offscreen framebuffers are for rendering something offscreen + * (perhaps to a texture which is bound as one of the color buffers). + * The exact semantics of onscreen framebuffers depends on the window + * system backend that you are using, but typically you can expect + * rendering to a #CoglOnscreen framebuffer will be immediately + * visible to the user. + * + * If you want to create a new framebuffer then you should start by + * looking at the #CoglOnscreen and #CoglOffscreen constructor + * functions, such as cogl_offscreen_new_with_texture() or + * cogl_onscreen_new(). The #CoglFramebuffer interface deals with + * all aspects that are common between those two types of framebuffer. + * + * Setup of a new CoglFramebuffer happens in two stages. There is a + * configuration stage where you specify all the options and ancillary + * buffers you want associated with your framebuffer and then when you + * are happy with the configuration you can "allocate" the framebuffer + * using cogl_framebuffer_allocate(). Technically explicitly calling + * cogl_framebuffer_allocate() is optional for convenience and the + * framebuffer will automatically be allocated when you first try to + * draw to it, but if you do the allocation manually then you can + * also catch any possible errors that may arise from your + * configuration. + */ + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_framebuffer_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_framebuffer_get_gtype (void); +#endif + +/** + * cogl_framebuffer_allocate: + * @framebuffer: A #CoglFramebuffer + * @error: A pointer to a #CoglError for returning exceptions. + * + * Explicitly allocates a configured #CoglFramebuffer allowing developers to + * check and handle any errors that might arise from an unsupported + * configuration so that fallback configurations may be tried. + * + * Many applications don't support any fallback options at least when + * they are initially developed and in that case the don't need to use this API + * since Cogl will automatically allocate a framebuffer when it first gets + * used. The disadvantage of relying on automatic allocation is that the + * program will abort with an error message if there is an error during + * automatic allocation. + * + * Return value: %TRUE if there were no error allocating the framebuffer, else %FALSE. + * Since: 1.8 + * Stability: unstable + */ +CoglBool +cogl_framebuffer_allocate (CoglFramebuffer *framebuffer, + CoglError **error); + +/** + * cogl_framebuffer_get_width: + * @framebuffer: A #CoglFramebuffer + * + * Queries the current width of the given @framebuffer. + * + * Return value: The width of @framebuffer. + * Since: 1.8 + * Stability: unstable + */ +int +cogl_framebuffer_get_width (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_height: + * @framebuffer: A #CoglFramebuffer + * + * Queries the current height of the given @framebuffer. + * + * Return value: The height of @framebuffer. + * Since: 1.8 + * Stability: unstable + */ +int +cogl_framebuffer_get_height (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_set_viewport: + * @framebuffer: A #CoglFramebuffer + * @x: The top-left x coordinate of the viewport origin (only integers + * supported currently) + * @y: The top-left y coordinate of the viewport origin (only integers + * supported currently) + * @width: The width of the viewport (only integers supported currently) + * @height: The height of the viewport (only integers supported currently) + * + * Defines a scale and offset for everything rendered relative to the + * top-left of the destination framebuffer. + * + * By default the viewport has an origin of (0,0) and width and height + * that match the framebuffer's size. Assuming a default projection and + * modelview matrix then you could translate the contents of a window + * down and right by leaving the viewport size unchanged by moving the + * offset to (10,10). The viewport coordinates are measured in pixels. + * If you left the x and y origin as (0,0) you could scale the windows + * contents down by specify and width and height that's half the real + * size of the framebuffer. + * + * Although the function takes floating point arguments, existing + * drivers only allow the use of integer values. In the future floating + * point values will be exposed via a checkable feature. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_set_viewport (CoglFramebuffer *framebuffer, + float x, + float y, + float width, + float height); + +/** + * cogl_framebuffer_get_viewport_x: + * @framebuffer: A #CoglFramebuffer + * + * Queries the x coordinate of the viewport origin as set using cogl_framebuffer_set_viewport() + * or the default value which is 0. + * + * Return value: The x coordinate of the viewport origin. + * Since: 1.8 + * Stability: unstable + */ +float +cogl_framebuffer_get_viewport_x (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_viewport_y: + * @framebuffer: A #CoglFramebuffer + * + * Queries the y coordinate of the viewport origin as set using cogl_framebuffer_set_viewport() + * or the default value which is 0. + * + * Return value: The y coordinate of the viewport origin. + * Since: 1.8 + * Stability: unstable + */ +float +cogl_framebuffer_get_viewport_y (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_viewport_width: + * @framebuffer: A #CoglFramebuffer + * + * Queries the width of the viewport as set using cogl_framebuffer_set_viewport() + * or the default value which is the width of the framebuffer. + * + * Return value: The width of the viewport. + * Since: 1.8 + * Stability: unstable + */ +float +cogl_framebuffer_get_viewport_width (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_viewport_height: + * @framebuffer: A #CoglFramebuffer + * + * Queries the height of the viewport as set using cogl_framebuffer_set_viewport() + * or the default value which is the height of the framebuffer. + * + * Return value: The height of the viewport. + * Since: 1.8 + * Stability: unstable + */ +float +cogl_framebuffer_get_viewport_height (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_viewport4fv: + * @framebuffer: A #CoglFramebuffer + * @viewport: (out caller-allocates) (array fixed-size=4): A pointer to an + * array of 4 floats to receive the (x, y, width, height) + * components of the current viewport. + * + * Queries the x, y, width and height components of the current viewport as set + * using cogl_framebuffer_set_viewport() or the default values which are 0, 0, + * framebuffer_width and framebuffer_height. The values are written into the + * given @viewport array. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_get_viewport4fv (CoglFramebuffer *framebuffer, + float *viewport); + +/** + * cogl_framebuffer_push_matrix: + * @framebuffer: A #CoglFramebuffer pointer + * + * Copies the current model-view matrix onto the matrix stack. The matrix + * can later be restored with cogl_framebuffer_pop_matrix(). + * + * Since: 1.10 + */ +void +cogl_framebuffer_push_matrix (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_pop_matrix: + * @framebuffer: A #CoglFramebuffer pointer + * + * Restores the model-view matrix on the top of the matrix stack. + * + * Since: 1.10 + */ +void +cogl_framebuffer_pop_matrix (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_identity_matrix: + * @framebuffer: A #CoglFramebuffer pointer + * + * Resets the current model-view matrix to the identity matrix. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_identity_matrix (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_scale: + * @framebuffer: A #CoglFramebuffer pointer + * @x: Amount to scale along the x-axis + * @y: Amount to scale along the y-axis + * @z: Amount to scale along the z-axis + * + * Multiplies the current model-view matrix by one that scales the x, + * y and z axes by the given values. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_scale (CoglFramebuffer *framebuffer, + float x, + float y, + float z); + +/** + * cogl_framebuffer_translate: + * @framebuffer: A #CoglFramebuffer pointer + * @x: Distance to translate along the x-axis + * @y: Distance to translate along the y-axis + * @z: Distance to translate along the z-axis + * + * Multiplies the current model-view matrix by one that translates the + * model along all three axes according to the given values. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_translate (CoglFramebuffer *framebuffer, + float x, + float y, + float z); + +/** + * cogl_framebuffer_rotate: + * @framebuffer: A #CoglFramebuffer pointer + * @angle: Angle in degrees to rotate. + * @x: X-component of vertex to rotate around. + * @y: Y-component of vertex to rotate around. + * @z: Z-component of vertex to rotate around. + * + * Multiplies the current model-view matrix by one that rotates the + * model around the axis-vector specified by @x, @y and @z. The + * rotation follows the right-hand thumb rule so for example rotating + * by 10 degrees about the axis-vector (0, 0, 1) causes a small + * counter-clockwise rotation. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_rotate (CoglFramebuffer *framebuffer, + float angle, + float x, + float y, + float z); + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +/** + * cogl_framebuffer_rotate_quaternion: + * @framebuffer: A #CoglFramebuffer pointer + * @quaternion: A #CoglQuaternion + * + * Multiplies the current model-view matrix by one that rotates + * according to the rotation described by @quaternion. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_framebuffer_rotate_quaternion (CoglFramebuffer *framebuffer, + const CoglQuaternion *quaternion); + +/** + * cogl_framebuffer_rotate_euler: + * @framebuffer: A #CoglFramebuffer pointer + * @euler: A #CoglEuler + * + * Multiplies the current model-view matrix by one that rotates + * according to the rotation described by @euler. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_framebuffer_rotate_euler (CoglFramebuffer *framebuffer, + const CoglEuler *euler); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +/** + * cogl_framebuffer_transform: + * @framebuffer: A #CoglFramebuffer pointer + * @matrix: the matrix to multiply with the current model-view + * + * Multiplies the current model-view matrix by the given matrix. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_transform (CoglFramebuffer *framebuffer, + const CoglMatrix *matrix); + +/** + * cogl_framebuffer_get_modelview_matrix: + * @framebuffer: A #CoglFramebuffer pointer + * @matrix: (out): return location for the model-view matrix + * + * Stores the current model-view matrix in @matrix. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_get_modelview_matrix (CoglFramebuffer *framebuffer, + CoglMatrix *matrix); + +/** + * cogl_framebuffer_set_modelview_matrix: + * @framebuffer: A #CoglFramebuffer pointer + * @matrix: the new model-view matrix + * + * Sets @matrix as the new model-view matrix. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_set_modelview_matrix (CoglFramebuffer *framebuffer, + const CoglMatrix *matrix); + +/** + * cogl_framebuffer_perspective: + * @framebuffer: A #CoglFramebuffer pointer + * @fov_y: Vertical field of view angle in degrees. + * @aspect: The (width over height) aspect ratio for display + * @z_near: The distance to the near clipping plane (Must be positive, + * and must not be 0) + * @z_far: The distance to the far clipping plane (Must be positive) + * + * Replaces the current projection matrix with a perspective matrix + * based on the provided values. + * + * You should be careful not to have to great a @z_far / @z_near + * ratio since that will reduce the effectiveness of depth testing + * since there wont be enough precision to identify the depth of + * objects near to each other. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_perspective (CoglFramebuffer *framebuffer, + float fov_y, + float aspect, + float z_near, + float z_far); + +/** + * cogl_framebuffer_frustum: + * @framebuffer: A #CoglFramebuffer pointer + * @left: X position of the left clipping plane where it + * intersects the near clipping plane + * @right: X position of the right clipping plane where it + * intersects the near clipping plane + * @bottom: Y position of the bottom clipping plane where it + * intersects the near clipping plane + * @top: Y position of the top clipping plane where it intersects + * the near clipping plane + * @z_near: The distance to the near clipping plane (Must be positive) + * @z_far: The distance to the far clipping plane (Must be positive) + * + * Replaces the current projection matrix with a perspective matrix + * for a given viewing frustum defined by 4 side clip planes that + * all cross through the origin and 2 near and far clip planes. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_frustum (CoglFramebuffer *framebuffer, + float left, + float right, + float bottom, + float top, + float z_near, + float z_far); + +/** + * cogl_framebuffer_orthographic: + * @framebuffer: A #CoglFramebuffer pointer + * @x_1: The x coordinate for the first vertical clipping plane + * @y_1: The y coordinate for the first horizontal clipping plane + * @x_2: The x coordinate for the second vertical clipping plane + * @y_2: The y coordinate for the second horizontal clipping plane + * @near: The distance to the near clipping + * plane (will be negative if the plane is + * behind the viewer) + * @far: The distance to the far clipping + * plane (will be negative if the plane is + * behind the viewer) + * + * Replaces the current projection matrix with an orthographic projection + * matrix. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_orthographic (CoglFramebuffer *framebuffer, + float x_1, + float y_1, + float x_2, + float y_2, + float near, + float far); + +/** + * cogl_framebuffer_get_projection_matrix: + * @framebuffer: A #CoglFramebuffer pointer + * @matrix: (out): return location for the projection matrix + * + * Stores the current projection matrix in @matrix. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_get_projection_matrix (CoglFramebuffer *framebuffer, + CoglMatrix *matrix); + +/** + * cogl_framebuffer_set_projection_matrix: + * @framebuffer: A #CoglFramebuffer pointer + * @matrix: the new projection matrix + * + * Sets @matrix as the new projection matrix. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_set_projection_matrix (CoglFramebuffer *framebuffer, + const CoglMatrix *matrix); + +/** + * cogl_framebuffer_push_scissor_clip: + * @framebuffer: A #CoglFramebuffer pointer + * @x: left edge of the clip rectangle in window coordinates + * @y: top edge of the clip rectangle in window coordinates + * @width: width of the clip rectangle + * @height: height of the clip rectangle + * + * Specifies a rectangular clipping area for all subsequent drawing + * operations. Any drawing commands that extend outside the rectangle + * will be clipped so that only the portion inside the rectangle will + * be displayed. The rectangle dimensions are not transformed by the + * current model-view matrix. + * + * The rectangle is intersected with the current clip region. To undo + * the effect of this function, call cogl_framebuffer_pop_clip(). + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_push_scissor_clip (CoglFramebuffer *framebuffer, + int x, + int y, + int width, + int height); + +/** + * cogl_framebuffer_push_rectangle_clip: + * @framebuffer: A #CoglFramebuffer pointer + * @x_1: x coordinate for top left corner of the clip rectangle + * @y_1: y coordinate for top left corner of the clip rectangle + * @x_2: x coordinate for bottom right corner of the clip rectangle + * @y_2: y coordinate for bottom right corner of the clip rectangle + * + * Specifies a modelview transformed rectangular clipping area for all + * subsequent drawing operations. Any drawing commands that extend + * outside the rectangle will be clipped so that only the portion + * inside the rectangle will be displayed. The rectangle dimensions + * are transformed by the current model-view matrix. + * + * The rectangle is intersected with the current clip region. To undo + * the effect of this function, call cogl_framebuffer_pop_clip(). + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_push_rectangle_clip (CoglFramebuffer *framebuffer, + float x_1, + float y_1, + float x_2, + float y_2); + +/** + * cogl_framebuffer_push_primitive_clip: + * @framebuffer: A #CoglFramebuffer pointer + * @primitive: A #CoglPrimitive describing a flat 2D shape + * @bounds_x1: x coordinate for the top-left corner of the primitives + * bounds + * @bounds_y1: y coordinate for the top-left corner of the primitives + * bounds + * @bounds_x2: x coordinate for the bottom-right corner of the + * primitives bounds. + * @bounds_y2: y coordinate for the bottom-right corner of the + * primitives bounds. + * + * Sets a new clipping area using a 2D shaped described with a + * #CoglPrimitive. The shape must not contain self overlapping + * geometry and must lie on a single 2D plane. A bounding box of the + * 2D shape in local coordinates (the same coordinates used to + * describe the shape) must be given. It is acceptable for the bounds + * to be larger than the true bounds but behaviour is undefined if the + * bounds are smaller than the true bounds. + * + * The primitive is transformed by the current model-view matrix and + * the silhouette is intersected with the previous clipping area. To + * restore the previous clipping area, call + * cogl_framebuffer_pop_clip(). + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_push_primitive_clip (CoglFramebuffer *framebuffer, + CoglPrimitive *primitive, + float bounds_x1, + float bounds_y1, + float bounds_x2, + float bounds_y2); + +/** + * cogl_framebuffer_pop_clip: + * @framebuffer: A #CoglFramebuffer pointer + * + * Reverts the clipping region to the state before the last call to + * cogl_framebuffer_push_scissor_clip(), cogl_framebuffer_push_rectangle_clip() + * cogl_framebuffer_push_path_clip(), or cogl_framebuffer_push_primitive_clip(). + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_pop_clip (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_red_bits: + * @framebuffer: a pointer to a #CoglFramebuffer + * + * Retrieves the number of red bits of @framebuffer + * + * Return value: the number of bits + * + * Since: 1.8 + * Stability: unstable + */ +int +cogl_framebuffer_get_red_bits (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_green_bits: + * @framebuffer: a pointer to a #CoglFramebuffer + * + * Retrieves the number of green bits of @framebuffer + * + * Return value: the number of bits + * + * Since: 1.8 + * Stability: unstable + */ +int +cogl_framebuffer_get_green_bits (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_blue_bits: + * @framebuffer: a pointer to a #CoglFramebuffer + * + * Retrieves the number of blue bits of @framebuffer + * + * Return value: the number of bits + * + * Since: 1.8 + * Stability: unstable + */ +int +cogl_framebuffer_get_blue_bits (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_alpha_bits: + * @framebuffer: a pointer to a #CoglFramebuffer + * + * Retrieves the number of alpha bits of @framebuffer + * + * Return value: the number of bits + * + * Since: 1.8 + * Stability: unstable + */ +int +cogl_framebuffer_get_alpha_bits (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_depth_bits: + * @framebuffer: a pointer to a #CoglFramebuffer + * + * Retrieves the number of depth bits of @framebuffer + * + * Return value: the number of bits + * + * Since: 2.0 + * Stability: unstable + */ +int +cogl_framebuffer_get_depth_bits (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_dither_enabled: + * @framebuffer: a pointer to a #CoglFramebuffer + * + * Returns whether dithering has been requested for the given @framebuffer. + * See cogl_framebuffer_set_dither_enabled() for more details about dithering. + * + * This may return %TRUE even when the underlying @framebuffer + * display pipeline does not support dithering. This value only represents + * the user's request for dithering. + * + * Return value: %TRUE if dithering has been requested or %FALSE if not. + * Since: 1.8 + * Stability: unstable + */ +CoglBool +cogl_framebuffer_get_dither_enabled (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_set_dither_enabled: + * @framebuffer: a pointer to a #CoglFramebuffer + * @dither_enabled: %TRUE to enable dithering or %FALSE to disable + * + * Enables or disabled dithering if supported by the hardware. + * + * Dithering is a hardware dependent technique to increase the visible + * color resolution beyond what the underlying hardware supports by playing + * tricks with the colors placed into the framebuffer to give the illusion + * of other colors. (For example this can be compared to half-toning used + * by some news papers to show varying levels of grey even though their may + * only be black and white are available). + * + * If the current display pipeline for @framebuffer does not support dithering + * then this has no affect. + * + * Dithering is enabled by default. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_set_dither_enabled (CoglFramebuffer *framebuffer, + CoglBool dither_enabled); + +/** + * cogl_framebuffer_get_depth_write_enabled: + * @framebuffer: a pointer to a #CoglFramebuffer + * + * Queries whether depth buffer writing is enabled for @framebuffer. This + * can be controlled via cogl_framebuffer_set_depth_write_enabled(). + * + * Return value: %TRUE if depth writing is enabled or %FALSE if not. + * Since: 1.18 + * Stability: unstable + */ +CoglBool +cogl_framebuffer_get_depth_write_enabled (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_set_depth_write_enabled: + * @framebuffer: a pointer to a #CoglFramebuffer + * @depth_write_enabled: %TRUE to enable depth writing or %FALSE to disable + * + * Enables or disables depth buffer writing when rendering to @framebuffer. + * If depth writing is enabled for both the framebuffer and the rendering + * pipeline, and the framebuffer has an associated depth buffer, depth + * information will be written to this buffer during rendering. + * + * Depth buffer writing is enabled by default. + * + * Since: 1.18 + * Stability: unstable + */ +void +cogl_framebuffer_set_depth_write_enabled (CoglFramebuffer *framebuffer, + CoglBool depth_write_enabled); + +/** + * cogl_framebuffer_get_color_mask: + * @framebuffer: a pointer to a #CoglFramebuffer + * + * Gets the current #CoglColorMask of which channels would be written to the + * current framebuffer. Each bit set in the mask means that the + * corresponding color would be written. + * + * Returns: A #CoglColorMask + * Since: 1.8 + * Stability: unstable + */ +CoglColorMask +cogl_framebuffer_get_color_mask (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_set_color_mask: + * @framebuffer: a pointer to a #CoglFramebuffer + * @color_mask: A #CoglColorMask of which color channels to write to + * the current framebuffer. + * + * Defines a bit mask of which color channels should be written to the + * given @framebuffer. If a bit is set in @color_mask that means that + * color will be written. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_set_color_mask (CoglFramebuffer *framebuffer, + CoglColorMask color_mask); + +/** + * cogl_framebuffer_set_depth_texture_enabled: + * @framebuffer: A #CoglFramebuffer + * @enabled: TRUE or FALSE + * + * If @enabled is #TRUE, the depth buffer used when rendering to @framebuffer + * is available as a texture. You can retrieve the texture with + * cogl_framebuffer_get_depth_texture(). + * + * It's possible that your GPU does not support depth textures. You + * should check the %COGL_FEATURE_ID_DEPTH_TEXTURE feature before using this + * function. + * It's not valid to call this function after the framebuffer has been + * allocated as the creation of the depth texture is done at allocation time. + * + * + * Since: 1.14 + * Stability: unstable + */ +void +cogl_framebuffer_set_depth_texture_enabled (CoglFramebuffer *framebuffer, + CoglBool enabled); + +/** + * cogl_framebuffer_get_depth_texture_enabled: + * @framebuffer: A #CoglFramebuffer + * + * Queries whether texture based depth buffer has been enabled via + * cogl_framebuffer_set_depth_texture_enabled(). + * + * Return value: %TRUE if a depth texture has been enabled, else + * %FALSE. + * + * Since: 1.14 + * Stability: unstable + */ +CoglBool +cogl_framebuffer_get_depth_texture_enabled (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_get_depth_texture: + * @framebuffer: A #CoglFramebuffer + * + * Retrieves the depth buffer of @framebuffer as a #CoglTexture. You need to + * call cogl_framebuffer_get_depth_texture(fb, TRUE); before using this + * function. + * + * Calling this function implicitely allocates the framebuffer. + * The texture returned stays valid as long as the framebuffer stays + * valid. + * + * Returns: (transfer none): the depth texture + * + * Since: 1.14 + * Stability: unstable + */ +CoglTexture * +cogl_framebuffer_get_depth_texture (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_set_samples_per_pixel: + * @framebuffer: A #CoglFramebuffer framebuffer + * @samples_per_pixel: The minimum number of samples per pixel + * + * Requires that when rendering to @framebuffer then @n point samples + * should be made per pixel which will all contribute to the final + * resolved color for that pixel. The idea is that the hardware aims + * to get quality similar to what you would get if you rendered + * everything twice as big (for 4 samples per pixel) and then scaled + * that image back down with filtering. It can effectively remove the + * jagged edges of polygons and should be more efficient than if you + * were to manually render at a higher resolution and downscale + * because the hardware is often able to take some shortcuts. For + * example the GPU may only calculate a single texture sample for all + * points of a single pixel, and for tile based architectures all the + * extra sample data (such as depth and stencil samples) may be + * handled on-chip and so avoid increased demand on system memory + * bandwidth. + * + * By default this value is usually set to 0 and that is referred to + * as "single-sample" rendering. A value of 1 or greater is referred + * to as "multisample" rendering. + * + * There are some semantic differences between single-sample + * rendering and multisampling with just 1 point sample such as it + * being redundant to use the cogl_framebuffer_resolve_samples() and + * cogl_framebuffer_resolve_samples_region() apis with single-sample + * rendering. + * + * It's recommended that + * cogl_framebuffer_resolve_samples_region() be explicitly used at the + * end of rendering to a point sample buffer to minimize the number of + * samples that get resolved. By default Cogl will implicitly resolve + * all framebuffer samples but if only a small region of a + * framebuffer has changed this can lead to redundant work being + * done. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_set_samples_per_pixel (CoglFramebuffer *framebuffer, + int samples_per_pixel); + +/** + * cogl_framebuffer_get_samples_per_pixel: + * @framebuffer: A #CoglFramebuffer framebuffer + * + * Gets the number of points that are sampled per-pixel when + * rasterizing geometry. Usually by default this will return 0 which + * means that single-sample not multisample rendering has been chosen. + * When using a GPU supporting multisample rendering it's possible to + * increase the number of samples per pixel using + * cogl_framebuffer_set_samples_per_pixel(). + * + * Calling cogl_framebuffer_get_samples_per_pixel() before the + * framebuffer has been allocated will simply return the value set + * using cogl_framebuffer_set_samples_per_pixel(). After the + * framebuffer has been allocated the value will reflect the actual + * number of samples that will be made by the GPU. + * + * Returns: The number of point samples made per pixel when + * rasterizing geometry or 0 if single-sample rendering + * has been chosen. + * + * Since: 1.10 + * Stability: unstable + */ +int +cogl_framebuffer_get_samples_per_pixel (CoglFramebuffer *framebuffer); + + +/** + * cogl_framebuffer_resolve_samples: + * @framebuffer: A #CoglFramebuffer framebuffer + * + * When point sample rendering (also known as multisample rendering) + * has been enabled via cogl_framebuffer_set_samples_per_pixel() + * then you can optionally call this function (or + * cogl_framebuffer_resolve_samples_region()) to explicitly resolve + * the point samples into values for the final color buffer. + * + * Some GPUs will implicitly resolve the point samples during + * rendering and so this function is effectively a nop, but with other + * architectures it is desirable to defer the resolve step until the + * end of the frame. + * + * Since Cogl will automatically ensure samples are resolved if the + * target color buffer is used as a source this API only needs to be + * used if explicit control is desired - perhaps because you want to + * ensure that the resolve is completed in advance to avoid later + * having to wait for the resolve to complete. + * + * If you are performing incremental updates to a framebuffer you + * should consider using cogl_framebuffer_resolve_samples_region() + * instead to avoid resolving redundant pixels. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_resolve_samples (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_resolve_samples_region: + * @framebuffer: A #CoglFramebuffer framebuffer + * @x: top-left x coordinate of region to resolve + * @y: top-left y coordinate of region to resolve + * @width: width of region to resolve + * @height: height of region to resolve + * + * When point sample rendering (also known as multisample rendering) + * has been enabled via cogl_framebuffer_set_samples_per_pixel() + * then you can optionally call this function (or + * cogl_framebuffer_resolve_samples()) to explicitly resolve the point + * samples into values for the final color buffer. + * + * Some GPUs will implicitly resolve the point samples during + * rendering and so this function is effectively a nop, but with other + * architectures it is desirable to defer the resolve step until the + * end of the frame. + * + * Use of this API is recommended if incremental, small updates to + * a framebuffer are being made because by default Cogl will + * implicitly resolve all the point samples of the framebuffer which + * can result in redundant work if only a small number of samples have + * changed. + * + * Because some GPUs implicitly resolve point samples this function + * only guarantees that at-least the region specified will be resolved + * and if you have rendered to a larger region then it's possible that + * other samples may be implicitly resolved. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_resolve_samples_region (CoglFramebuffer *framebuffer, + int x, + int y, + int width, + int height); + +/** + * cogl_framebuffer_get_context: + * @framebuffer: A #CoglFramebuffer + * + * Can be used to query the #CoglContext a given @framebuffer was + * instantiated within. This is the #CoglContext that was passed to + * cogl_onscreen_new() for example. + * + * Return value: (transfer none): The #CoglContext that the given + * @framebuffer was instantiated within. + * Since: 1.8 + * Stability: unstable + */ +CoglContext * +cogl_framebuffer_get_context (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_clear: + * @framebuffer: A #CoglFramebuffer + * @buffers: A mask of #CoglBufferBit's identifying which auxiliary + * buffers to clear + * @color: The color to clear the color buffer too if specified in + * @buffers. + * + * Clears all the auxiliary buffers identified in the @buffers mask, and if + * that includes the color buffer then the specified @color is used. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_clear (CoglFramebuffer *framebuffer, + unsigned long buffers, + const CoglColor *color); + +/** + * cogl_framebuffer_clear4f: + * @framebuffer: A #CoglFramebuffer + * @buffers: A mask of #CoglBufferBit's identifying which auxiliary + * buffers to clear + * @red: The red component of color to clear the color buffer too if + * specified in @buffers. + * @green: The green component of color to clear the color buffer too if + * specified in @buffers. + * @blue: The blue component of color to clear the color buffer too if + * specified in @buffers. + * @alpha: The alpha component of color to clear the color buffer too if + * specified in @buffers. + * + * Clears all the auxiliary buffers identified in the @buffers mask, and if + * that includes the color buffer then the specified @color is used. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_clear4f (CoglFramebuffer *framebuffer, + unsigned long buffers, + float red, + float green, + float blue, + float alpha); + +/** + * cogl_framebuffer_draw_primitive: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @primitive: A #CoglPrimitive geometry object + * + * Draws the given @primitive geometry to the specified destination + * @framebuffer using the graphics processing state described by @pipeline. + * + * This drawing api doesn't support high-level meta texture types such + * as #CoglTexture2DSliced so it is the user's responsibility to + * ensure that only low-level textures that can be directly sampled by + * a GPU such as #CoglTexture2D, #CoglTextureRectangle or #CoglTexture3D + * are associated with layers of the given @pipeline. + * + * This api doesn't support any of the legacy global state options such + * as cogl_set_depth_test_enabled(), cogl_set_backface_culling_enabled() or + * cogl_program_use() + * + * Stability: unstable + * Since: 1.10 + * Deprecated: 1.16: Use #CoglPrimitives and + * cogl_primitive_draw() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_draw) +void +cogl_framebuffer_draw_primitive (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglPrimitive *primitive); + +/** + * cogl_framebuffer_vdraw_attributes: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @mode: The #CoglVerticesMode defining the topology of vertices + * @first_vertex: The vertex offset within the given attributes to draw from + * @n_vertices: The number of vertices to draw from the given attributes + * @...: A set of vertex #CoglAttributes defining vertex geometry + * + * First defines a geometry primitive by grouping a set of vertex attributes; + * specifying a @first_vertex; a number of vertices (@n_vertices) and + * specifying what kind of topology the vertices have via @mode. + * + * Then the function draws the given @primitive geometry to the specified + * destination @framebuffer using the graphics processing pipeline described by + * @pipeline. + * + * The list of #CoglAttributes define the attributes of the vertices to + * be drawn, such as positions, colors and normals and should be %NULL + * terminated. + * + * This drawing api doesn't support high-level meta texture types such + * as #CoglTexture2DSliced so it is the user's responsibility to + * ensure that only low-level textures that can be directly sampled by + * a GPU such as #CoglTexture2D, #CoglTextureRectangle or #CoglTexture3D + * are associated with layers of the given @pipeline. + * + * Stability: unstable + * Since: 1.10 + * Deprecated: 1.16: Use #CoglPrimitives and + * cogl_primitive_draw() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_draw) +void +cogl_framebuffer_vdraw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + ...) COGL_GNUC_NULL_TERMINATED; + +/** + * cogl_framebuffer_draw_attributes: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @mode: The #CoglVerticesMode defining the topology of vertices + * @first_vertex: The vertex offset within the given attributes to draw from + * @n_vertices: The number of vertices to draw from the given attributes + * @attributes: An array of pointers to #CoglAttribute<-- -->s defining vertex + * geometry + * @n_attributes: The number of attributes in the @attributes array. + * + * First defines a geometry primitive by grouping a set of vertex @attributes; + * specifying a @first_vertex; a number of vertices (@n_vertices) and + * specifying what kind of topology the vertices have via @mode. + * + * Then the function draws the given @primitive geometry to the specified + * destination @framebuffer using the graphics processing pipeline described by + * @pipeline. + * + * The list of #CoglAttributes define the attributes of the vertices to + * be drawn, such as positions, colors and normals and the number of attributes + * is given as @n_attributes. + * + * This drawing api doesn't support high-level meta texture types such + * as #CoglTexture2DSliced so it is the user's responsibility to + * ensure that only low-level textures that can be directly sampled by + * a GPU such as #CoglTexture2D, #CoglTextureRectangle or #CoglTexture3D + * are associated with layers of the given @pipeline. + * + * This api doesn't support any of the legacy global state options such + * as cogl_set_depth_test_enabled(), cogl_set_backface_culling_enabled() or + * cogl_program_use() + * + * Stability: unstable + * Since: 1.10 + * Deprecated: 1.16: Use #CoglPrimitives and + * cogl_primitive_draw() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_draw) +void +cogl_framebuffer_draw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes); + +/** + * cogl_framebuffer_vdraw_indexed_attributes: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @mode: The #CoglVerticesMode defining the topology of vertices + * @first_vertex: The vertex offset within the given attributes to draw from + * @n_vertices: The number of vertices to draw from the given attributes + * @indices: The array of indices used by the GPU to lookup attribute + * data for each vertex. + * @...: A set of vertex #CoglAttributes defining vertex geometry + * + * Behaves the same as cogl_framebuffer_vdraw_attributes() except that + * instead of reading vertex data sequentially from the specified + * attributes the @indices provide an indirection for how the data + * should be indexed allowing a random access order to be + * specified. + * + * For example an indices array of [0, 1, 2, 0, 2, 3] could be used + * used to draw two triangles (@mode = %COGL_VERTICES_MODE_TRIANGLES + + * @n_vertices = 6) but only provide attribute data for the 4 corners + * of a rectangle. When the GPU needs to read in each of the 6 + * vertices it will read the @indices array for each vertex in + * sequence and use the index to look up the vertex attribute data. So + * here you can see that first and fourth vertex will point to the + * same data and third and fifth vertex will also point to shared + * data. + * + * Drawing with indices can be a good way of minimizing the size of a + * mesh by allowing you to avoid data for duplicate vertices because + * multiple entries in the index array can refer back to a single + * shared vertex. + * + * The @indices array must be at least as long as @first_vertex + * + @n_vertices otherwise the GPU will overrun the indices array when + * looking up vertex data. + * + * Since it's very common to want to draw a run of rectangles using + * indices to avoid duplicating vertex data you can use + * cogl_get_rectangle_indices() to get a set of indices that can be + * shared. + * + * This drawing api doesn't support high-level meta texture types such + * as #CoglTexture2DSliced so it is the user's responsibility to + * ensure that only low-level textures that can be directly sampled by + * a GPU such as #CoglTexture2D, #CoglTextureRectangle or + * #CoglTexture3D are associated with layers of the given @pipeline. + * + * This api doesn't support any of the legacy global state + * options such as cogl_set_depth_test_enabled(), + * cogl_set_backface_culling_enabled() or cogl_program_use() + * + * Stability: unstable + * Since: 1.10 + * Deprecated: 1.16: Use #CoglPrimitives and + * cogl_primitive_draw() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_draw) +void +cogl_framebuffer_vdraw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + ...) COGL_GNUC_NULL_TERMINATED; + +/** + * cogl_framebuffer_draw_indexed_attributes: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @mode: The #CoglVerticesMode defining the topology of vertices + * @first_vertex: The vertex offset within the given attributes to draw from + * @n_vertices: The number of vertices to draw from the given attributes + * @indices: The array of indices used by the GPU to lookup attribute + * data for each vertex. + * @attributes: An array of pointers to #CoglAttribute<-- -->s defining vertex + * geometry + * @n_attributes: The number of attributes in the @attributes array. + * + * Behaves the same as cogl_framebuffer_draw_attributes() except that + * instead of reading vertex data sequentially from the specified + * @attributes the @indices provide an indirection for how the data + * should be indexed allowing a random access order to be + * specified. + * + * For example an indices array of [0, 1, 2, 0, 2, 3] could be used + * used to draw two triangles (@mode = %COGL_VERTICES_MODE_TRIANGLES + + * @n_vertices = 6) but only provide attribute data for the 4 corners + * of a rectangle. When the GPU needs to read in each of the 6 + * vertices it will read the @indices array for each vertex in + * sequence and use the index to look up the vertex attribute data. So + * here you can see that first and fourth vertex will point to the + * same data and third and fifth vertex will also point to shared + * data. + * + * Drawing with indices can be a good way of minimizing the size of a + * mesh by allowing you to avoid data for duplicate vertices because + * multiple entries in the index array can refer back to a single + * shared vertex. + * + * The @indices array must be at least as long as @first_vertex + * + @n_vertices otherwise the GPU will overrun the indices array when + * looking up vertex data. + * + * Since it's very common to want to draw a run of rectangles using + * indices to avoid duplicating vertex data you can use + * cogl_get_rectangle_indices() to get a set of indices that can be + * shared. + * + * This drawing api doesn't support high-level meta texture types such + * as #CoglTexture2DSliced so it is the user's responsibility to + * ensure that only low-level textures that can be directly sampled by + * a GPU such as #CoglTexture2D, #CoglTextureRectangle or + * #CoglTexture3D are associated with layers of the given @pipeline. + * + * This api doesn't support any of the legacy global state + * options such as cogl_set_depth_test_enabled(), + * cogl_set_backface_culling_enabled() or cogl_program_use() + * + * Stability: unstable + * Since: 1.10 + * Deprecated: 1.16: Use #CoglPrimitives and + * cogl_primitive_draw() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_draw) +void +cogl_framebuffer_draw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + CoglAttribute **attributes, + int n_attributes); + +/** + * cogl_framebuffer_draw_rectangle: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @x_1: X coordinate of the top-left corner + * @y_1: Y coordinate of the top-left corner + * @x_2: X coordinate of the bottom-right corner + * @y_2: Y coordinate of the bottom-right corner + * + * Draws a rectangle to @framebuffer with the given @pipeline state + * and with the top left corner positioned at (@x_1, @y_1) and the + * bottom right corner positioned at (@x_2, @y_2). + * + * The position is the position before the rectangle has been + * transformed by the model-view matrix and the projection + * matrix. + * + * If you want to describe a rectangle with a texture mapped on + * it then you can use + * cogl_framebuffer_draw_textured_rectangle(). + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_draw_rectangle (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + float x_1, + float y_1, + float x_2, + float y_2); + +/** + * cogl_framebuffer_draw_textured_rectangle: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @x_1: x coordinate upper left on screen. + * @y_1: y coordinate upper left on screen. + * @x_2: x coordinate lower right on screen. + * @y_2: y coordinate lower right on screen. + * @s_1: S texture coordinate of the top-left coorner + * @t_1: T texture coordinate of the top-left coorner + * @s_2: S texture coordinate of the bottom-right coorner + * @t_2: T texture coordinate of the bottom-right coorner + * + * Draws a textured rectangle to @framebuffer using the given + * @pipeline state with the top left corner positioned at (@x_1, @y_1) + * and the bottom right corner positioned at (@x_2, @y_2). The top + * left corner will have texture coordinates of (@s_1, @t_1) and the + * bottom right corner will have texture coordinates of (@s_2, @t_2). + * + * The position is the position before the rectangle has been + * transformed by the model-view matrix and the projection + * matrix. + * + * This is a high level drawing api that can handle any kind of + * #CoglMetaTexture texture such as #CoglTexture2DSliced textures + * which may internally be comprised of multiple low-level textures. + * This is unlike low-level drawing apis such as cogl_primitive_draw() + * which only support low level texture types that are directly + * supported by GPUs such as #CoglTexture2D. + * + * The given texture coordinates will only be used for the first + * texture layer of the pipeline and if your pipeline has more than + * one layer then all other layers will have default texture + * coordinates of @s_1=0.0 @t_1=0.0 @s_2=1.0 @t_2=1.0 + * + * The given texture coordinates should always be normalized such that + * (0, 0) corresponds to the top left and (1, 1) corresponds to the + * bottom right. To map an entire texture across the rectangle pass + * in @s_1=0, @t_1=0, @s_2=1, @t_2=1. + * + * Even if you have associated a #CoglTextureRectangle texture + * with one of your @pipeline layers which normally implies working + * with non-normalized texture coordinates this api should still be + * passed normalized texture coordinates. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_draw_textured_rectangle (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + float x_1, + float y_1, + float x_2, + float y_2, + float s_1, + float t_1, + float s_2, + float t_2); + +/** + * cogl_framebuffer_draw_multitextured_rectangle: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @x_1: x coordinate upper left on screen. + * @y_1: y coordinate upper left on screen. + * @x_2: x coordinate lower right on screen. + * @y_2: y coordinate lower right on screen. + * @tex_coords: (in) (array) (transfer none): An array containing groups of + * 4 float values: [s_1, t_1, s_2, t_2] that are interpreted as two texture + * coordinates; one for the top left texel, and one for the bottom right + * texel. Each value should be between 0.0 and 1.0, where the coordinate + * (0.0, 0.0) represents the top left of the texture, and (1.0, 1.0) the + * bottom right. + * @tex_coords_len: The length of the @tex_coords array. (For one layer + * and one group of texture coordinates, this would be 4) + * + * Draws a textured rectangle to @framebuffer with the given @pipeline + * state with the top left corner positioned at (@x_1, @y_1) and the + * bottom right corner positioned at (@x_2, @y_2). As a pipeline may + * contain multiple texture layers this interface lets you supply + * texture coordinates for each layer of the pipeline. + * + * The position is the position before the rectangle has been + * transformed by the model-view matrix and the projection + * matrix. + * + * This is a high level drawing api that can handle any kind of + * #CoglMetaTexture texture for the first layer such as + * #CoglTexture2DSliced textures which may internally be comprised of + * multiple low-level textures. This is unlike low-level drawing apis + * such as cogl_primitive_draw() which only support low level texture + * types that are directly supported by GPUs such as #CoglTexture2D. + * + * This api can not currently handle multiple high-level meta + * texture layers. The first layer may be a high level meta texture + * such as #CoglTexture2DSliced but all other layers much be low + * level textures such as #CoglTexture2D and additionally they + * should be textures that can be sampled using normalized coordinates + * (so not #CoglTextureRectangle textures). + * + * The top left texture coordinate for layer 0 of any pipeline will be + * (tex_coords[0], tex_coords[1]) and the bottom right coordinate will + * be (tex_coords[2], tex_coords[3]). The coordinates for layer 1 + * would be (tex_coords[4], tex_coords[5]) (tex_coords[6], + * tex_coords[7]) and so on... + * + * The given texture coordinates should always be normalized such that + * (0, 0) corresponds to the top left and (1, 1) corresponds to the + * bottom right. To map an entire texture across the rectangle pass + * in tex_coords[0]=0, tex_coords[1]=0, tex_coords[2]=1, + * tex_coords[3]=1. + * + * Even if you have associated a #CoglTextureRectangle texture + * which normally implies working with non-normalized texture + * coordinates this api should still be passed normalized texture + * coordinates. + * + * The first pair of coordinates are for the first layer (with the + * smallest layer index) and if you supply less texture coordinates + * than there are layers in the current source material then default + * texture coordinates (0.0, 0.0, 1.0, 1.0) are generated. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_draw_multitextured_rectangle (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + float x_1, + float y_1, + float x_2, + float y_2, + const float *tex_coords, + int tex_coords_len); + +/** + * cogl_framebuffer_draw_rectangles: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @coordinates: (in) (array) (transfer none): an array of coordinates + * containing groups of 4 float values: [x_1, y_1, x_2, y_2] that are + * interpreted as two position coordinates; one for the top left of + * the rectangle (x1, y1), and one for the bottom right of the + * rectangle (x2, y2). + * @n_rectangles: number of rectangles defined in @coordinates. + * + * Draws a series of rectangles to @framebuffer with the given + * @pipeline state in the same way that + * cogl_framebuffer_draw_rectangle() does. + * + * The top left corner of the first rectangle is positioned at + * (coordinates[0], coordinates[1]) and the bottom right corner is + * positioned at (coordinates[2], coordinates[3]). The positions for + * the second rectangle are (coordinates[4], coordinates[5]) and + * (coordinates[6], coordinates[7]) and so on... + * + * The position is the position before the rectangle has been + * transformed by the model-view matrix and the projection + * matrix. + * + * As a general rule for better performance its recommended to use + * this this API instead of calling + * cogl_framebuffer_draw_textured_rectangle() separately for multiple + * rectangles if all of the rectangles will be drawn together with the + * same @pipeline state. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_draw_rectangles (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + const float *coordinates, + unsigned int n_rectangles); + +/** + * cogl_framebuffer_draw_textured_rectangles: + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * @coordinates: (in) (array) (transfer none): an array containing + * groups of 8 float values: [x_1, y_1, x_2, y_2, s_1, t_1, s_2, t_2] + * that have the same meaning as the arguments for + * cogl_framebuffer_draw_textured_rectangle(). + * @n_rectangles: number of rectangles to @coordinates to draw + * + * Draws a series of rectangles to @framebuffer with the given + * @pipeline state in the same way that + * cogl_framebuffer_draw_textured_rectangle() does. + * + * The position is the position before the rectangle has been + * transformed by the model-view matrix and the projection + * matrix. + * + * This is a high level drawing api that can handle any kind of + * #CoglMetaTexture texture such as #CoglTexture2DSliced textures + * which may internally be comprised of multiple low-level textures. + * This is unlike low-level drawing apis such as cogl_primitive_draw() + * which only support low level texture types that are directly + * supported by GPUs such as #CoglTexture2D. + * + * The top left corner of the first rectangle is positioned at + * (coordinates[0], coordinates[1]) and the bottom right corner is + * positioned at (coordinates[2], coordinates[3]). The top left + * texture coordinate is (coordinates[4], coordinates[5]) and the + * bottom right texture coordinate is (coordinates[6], + * coordinates[7]). The coordinates for subsequent rectangles + * are defined similarly by the subsequent coordinates. + * + * As a general rule for better performance its recommended to use + * this this API instead of calling + * cogl_framebuffer_draw_textured_rectangle() separately for multiple + * rectangles if all of the rectangles will be drawn together with the + * same @pipeline state. + * + * The given texture coordinates should always be normalized such that + * (0, 0) corresponds to the top left and (1, 1) corresponds to the + * bottom right. To map an entire texture across the rectangle pass + * in tex_coords[0]=0, tex_coords[1]=0, tex_coords[2]=1, + * tex_coords[3]=1. + * + * Even if you have associated a #CoglTextureRectangle texture + * which normally implies working with non-normalized texture + * coordinates this api should still be passed normalized texture + * coordinates. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_framebuffer_draw_textured_rectangles (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + const float *coordinates, + unsigned int n_rectangles); + +/* XXX: Should we take an n_buffers + buffer id array instead of using + * the CoglBufferBits type which doesn't seem future proof? */ +/** + * cogl_framebuffer_discard_buffers: + * @framebuffer: A #CoglFramebuffer + * @buffers: A #CoglBufferBit mask of which ancillary buffers you want + * to discard. + * + * Declares that the specified @buffers no longer need to be referenced + * by any further rendering commands. This can be an important + * optimization to avoid subsequent frames of rendering depending on + * the results of a previous frame. + * + * For example; some tile-based rendering GPUs are able to avoid allocating and + * accessing system memory for the depth and stencil buffer so long as these + * buffers are not required as input for subsequent frames and that can save a + * significant amount of memory bandwidth used to save and restore their + * contents to system memory between frames. + * + * It is currently considered an error to try and explicitly discard the color + * buffer by passing %COGL_BUFFER_BIT_COLOR. This is because the color buffer is + * already implicitly discard when you finish rendering to a #CoglOnscreen + * framebuffer, and it's not meaningful to try and discard the color buffer of + * a #CoglOffscreen framebuffer since they are single-buffered. + * + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_framebuffer_discard_buffers (CoglFramebuffer *framebuffer, + unsigned long buffers); + +/** + * cogl_framebuffer_finish: + * @framebuffer: A #CoglFramebuffer pointer + * + * This blocks the CPU until all pending rendering associated with the + * specified framebuffer has completed. It's very rare that developers should + * ever need this level of synchronization with the GPU and should never be + * used unless you clearly understand why you need to explicitly force + * synchronization. + * + * One example might be for benchmarking purposes to be sure timing + * measurements reflect the time that the GPU is busy for not just the time it + * takes to queue rendering commands. + * + * Stability: unstable + * Since: 1.10 + */ +void +cogl_framebuffer_finish (CoglFramebuffer *framebuffer); + +/** + * cogl_framebuffer_read_pixels_into_bitmap: + * @framebuffer: A #CoglFramebuffer + * @x: The x position to read from + * @y: The y position to read from + * @source: Identifies which auxillary buffer you want to read + * (only COGL_READ_PIXELS_COLOR_BUFFER supported currently) + * @bitmap: The bitmap to store the results in. + * + * This reads a rectangle of pixels from the given framebuffer where + * position (0, 0) is the top left. The pixel at (x, y) is the first + * read, and a rectangle of pixels with the same size as the bitmap is + * read right and downwards from that point. + * + * Currently Cogl assumes that the framebuffer is in a premultiplied + * format so if the format of @bitmap is non-premultiplied it will + * convert it. To read the pixel values without any conversion you + * should either specify a format that doesn't use an alpha channel or + * use one of the formats ending in PRE. + * + * Return value: %TRUE if the read succeeded or %FALSE otherwise. The + * function is only likely to fail if the bitmap points to a pixel + * buffer and it could not be mapped. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_framebuffer_read_pixels_into_bitmap (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap); + +/** + * cogl_framebuffer_read_pixels: + * @framebuffer: A #CoglFramebuffer + * @x: The x position to read from + * @y: The y position to read from + * @width: The width of the region of rectangles to read + * @height: The height of the region of rectangles to read + * @format: The pixel format to store the data in + * @pixels: The address of the buffer to store the data in + * + * This is a convenience wrapper around + * cogl_framebuffer_read_pixels_into_bitmap() which allocates a + * temporary #CoglBitmap to read pixel data directly into the given + * buffer. The rowstride of the buffer is assumed to be the width of + * the region times the bytes per pixel of the format. The source for + * the data is always taken from the color buffer. If you want to use + * any other rowstride or source, please use the + * cogl_framebuffer_read_pixels_into_bitmap() function directly. + * + * The implementation of the function looks like this: + * + * |[ + * bitmap = cogl_bitmap_new_for_data (context, + * width, height, + * format, + * /* rowstride */ + * bpp * width, + * pixels); + * cogl_framebuffer_read_pixels_into_bitmap (framebuffer, + * x, y, + * COGL_READ_PIXELS_COLOR_BUFFER, + * bitmap); + * cogl_object_unref (bitmap); + * ]| + * + * Return value: %TRUE if the read succeeded or %FALSE otherwise. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_framebuffer_read_pixels (CoglFramebuffer *framebuffer, + int x, + int y, + int width, + int height, + CoglPixelFormat format, + uint8_t *pixels); + +/** + * cogl_get_draw_framebuffer: + * + * Gets the current #CoglFramebuffer as set using + * cogl_push_framebuffer() + * + * Return value: (transfer none): The current #CoglFramebuffer + * Stability: unstable + * Since: 1.8 + */ +CoglFramebuffer * +cogl_get_draw_framebuffer (void); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +/* XXX: Note these are defined outside the COGL_ENABLE_EXPERIMENTAL_API guard since + * otherwise the glib-mkenums stuff will get upset. */ + +uint32_t +cogl_framebuffer_error_quark (void); + +/** + * COGL_FRAMEBUFFER_ERROR: + * + * An error domain for reporting #CoglFramebuffer exceptions + */ +#define COGL_FRAMEBUFFER_ERROR (cogl_framebuffer_error_quark ()) + +typedef enum { /*< prefix=COGL_FRAMEBUFFER_ERROR >*/ + COGL_FRAMEBUFFER_ERROR_ALLOCATE +} CoglFramebufferError; + +/** + * cogl_is_framebuffer: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a #CoglFramebuffer. + * + * Return value: %TRUE if the object references a #CoglFramebuffer + * and %FALSE otherwise. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_is_framebuffer (void *object); + +COGL_END_DECLS + +#endif /* __COGL_FRAMEBUFFER_H */ diff --git a/cogl/cogl-gl-header.h.in b/cogl/cogl-gl-header.h.in new file mode 100644 index 0000000..0696dcf --- /dev/null +++ b/cogl/cogl-gl-header.h.in @@ -0,0 +1,46 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(COGL_COMPILATION) +#error "cogl-gl-header.h should only be included when compiling Cogl" +#endif + +#ifndef __COGL_GL_HEADER_H__ +#define __COGL_GL_HEADER_H__ + +#include "cogl-defines.h" + +@COGL_GL_HEADER_INCLUDES@ + +#ifndef GL_OES_EGL_image +#define GLeglImageOES void * +#endif + +#endif /* __COGL_GL_HEADER_H__ */ diff --git a/cogl/cogl-gl-header.h.win32 b/cogl/cogl-gl-header.h.win32 new file mode 100644 index 0000000..67799a6 --- /dev/null +++ b/cogl/cogl-gl-header.h.win32 @@ -0,0 +1,48 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(COGL_COMPILATION) +#error "cogl-gl-header.h should only be included when compiling Cogl" +#endif + +#ifndef __COGL_GL_HEADER_H__ +#define __COGL_GL_HEADER_H__ + +#include "cogl-defines.h" + +#include +#include +#include + +#ifndef GL_OES_EGL_image +#define GLeglImageOES void * +#endif + +#endif /* __COGL_GL_HEADER_H__ */ diff --git a/cogl/cogl-gles2-context-private.h b/cogl/cogl-gles2-context-private.h new file mode 100644 index 0000000..805b064 --- /dev/null +++ b/cogl/cogl-gles2-context-private.h @@ -0,0 +1,201 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Collabora Ltd. + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Tomeu Vizoso + * Robert Bragg + * + */ + +#ifndef __COGL_GLES2_CONTEXT_PRIVATE_H +#define __COGL_GLES2_CONTEXT_PRIVATE_H + +#include + +#include "cogl-object-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-list.h" + +typedef struct _CoglGLES2Offscreen +{ + CoglList link; + CoglOffscreen *original_offscreen; + CoglGLFramebuffer gl_framebuffer; +} CoglGLES2Offscreen; + +typedef struct +{ + /* GL's ID for the shader */ + GLuint object_id; + /* Shader type */ + GLenum type; + + /* Number of references to this shader. The shader will have one + * reference when it is created. This reference will be removed when + * glDeleteShader is called. An additional reference will be taken + * whenever the shader is attached to a program. This is necessary + * to correctly detect when a shader is destroyed because + * glDeleteShader doesn't actually delete the object if it is + * attached to a program */ + int ref_count; + + /* Set once this object has had glDeleteShader called on it. We need + * to keep track of this so we don't deref the data twice if the + * application calls glDeleteShader multiple times */ + CoglBool deleted; +} CoglGLES2ShaderData; + +typedef enum +{ + COGL_GLES2_FLIP_STATE_UNKNOWN, + COGL_GLES2_FLIP_STATE_NORMAL, + COGL_GLES2_FLIP_STATE_FLIPPED +} CoglGLES2FlipState; + +typedef struct +{ + /* GL's ID for the program */ + GLuint object_id; + + /* List of shaders attached to this program */ + GList *attached_shaders; + + /* Reference count. There can be up to two references. One of these + * will exist between glCreateProgram and glDeleteShader, the other + * will exist while the program is made current. This is necessary + * to correctly detect when the program is deleted because + * glDeleteShader will delay the deletion if the program is + * current */ + int ref_count; + + /* Set once this object has had glDeleteProgram called on it. We need + * to keep track of this so we don't deref the data twice if the + * application calls glDeleteProgram multiple times */ + CoglBool deleted; + + GLuint flip_vector_location; + + /* A cache of what value we've put in the flip vector uniform so + * that we don't flush unless it's changed */ + CoglGLES2FlipState flip_vector_state; + + CoglGLES2Context *context; +} CoglGLES2ProgramData; + +/* State tracked for each texture unit */ +typedef struct +{ + /* The currently bound texture for the GL_TEXTURE_2D */ + GLuint current_texture_2d; +} CoglGLES2TextureUnitData; + +/* State tracked for each texture object */ +typedef struct +{ + /* GL's ID for this object */ + GLuint object_id; + + GLenum target; + + /* The details for texture when it has a 2D target */ + int width, height; + GLenum format; +} CoglGLES2TextureObjectData; + +struct _CoglGLES2Context +{ + CoglObject _parent; + + CoglContext *context; + + /* This is set to FALSE until the first time the GLES2 context is + * bound to something. We need to keep track of this so we can set + * the viewport and scissor the first time it is bound. */ + CoglBool has_been_bound; + + CoglFramebuffer *read_buffer; + CoglGLES2Offscreen *gles2_read_buffer; + CoglFramebuffer *write_buffer; + CoglGLES2Offscreen *gles2_write_buffer; + + GLuint current_fbo_handle; + + CoglList foreign_offscreens; + + CoglGLES2Vtable *vtable; + + /* Hash table mapping GL's IDs for shaders and objects to ShaderData + * and ProgramData so that we can maintain extra data for these + * objects. Although technically the IDs will end up global across + * all GLES2 contexts because they will all be in the same share + * list, we don't really want to expose this outside of the Cogl API + * so we will assume it is undefined behaviour if an application + * relies on this. */ + GHashTable *shader_map; + GHashTable *program_map; + + /* Currently in use program. We need to keep track of this so that + * we can keep a reference to the data for the program while it is + * current */ + CoglGLES2ProgramData *current_program; + + /* Whether the currently bound framebuffer needs flipping. This is + * used to check for changes so that we can dirty the following + * state flags */ + CoglGLES2FlipState current_flip_state; + + /* The following state is tracked separately from the GL context + * because we need to modify it depending on whether we are flipping + * the geometry. */ + CoglBool viewport_dirty; + int viewport[4]; + CoglBool scissor_dirty; + int scissor[4]; + CoglBool front_face_dirty; + GLenum front_face; + + /* We need to keep track of the pack alignment so we can flip the + * results of glReadPixels read from a CoglOffscreen */ + int pack_alignment; + + /* A hash table of CoglGLES2TextureObjects indexed by the texture + * object ID so that we can track some state */ + GHashTable *texture_object_map; + + /* Array of CoglGLES2TextureUnits to keep track of state for each + * texture unit */ + GArray *texture_units; + + /* The currently active texture unit indexed from 0 (not from + * GL_TEXTURE0) */ + int current_texture_unit; + + void *winsys; +}; + +#endif /* __COGL_GLES2_CONTEXT_PRIVATE_H */ diff --git a/cogl/cogl-gles2-context.c b/cogl/cogl-gles2-context.c new file mode 100644 index 0000000..33c4387 --- /dev/null +++ b/cogl/cogl-gles2-context.c @@ -0,0 +1,1966 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Collabora Ltd. + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Tomeu Vizoso + * Robert Bragg + * Neil Roberts + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-gles2.h" +#include "cogl-gles2-context-private.h" + +#include "cogl-context-private.h" +#include "cogl-display-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-framebuffer-gl-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-renderer-private.h" +#include "cogl-swap-chain-private.h" +#include "cogl-texture-2d-gl.h" +#include "cogl-texture-2d-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-error-private.h" +#include "cogl-gtype-private.h" + +static void _cogl_gles2_context_free (CoglGLES2Context *gles2_context); + +COGL_OBJECT_DEFINE (GLES2Context, gles2_context); +COGL_GTYPE_DEFINE_CLASS (GLES2Context, gles2_context); + +static CoglGLES2Context *current_gles2_context; + +static CoglUserDataKey offscreen_wrapper_key; + +/* The application's main function is renamed to this so that we can + * provide an alternative main function */ +#define MAIN_WRAPPER_REPLACEMENT_NAME "_c31" +/* This uniform is used to flip the rendering or not depending on + * whether we are rendering to an offscreen buffer or not */ +#define MAIN_WRAPPER_FLIP_UNIFORM "_cogl_flip_vector" +/* These comments are used to delimit the added wrapper snippet so + * that we can remove it again when the shader source is requested via + * glGetShaderSource */ +#define MAIN_WRAPPER_BEGIN "/*_COGL_WRAPPER_BEGIN*/" +#define MAIN_WRAPPER_END "/*_COGL_WRAPPER_END*/" + +/* This wrapper function around 'main' is appended to every vertex shader + * so that we can add some extra code to flip the rendering when + * rendering to an offscreen buffer */ +static const char +main_wrapper_function[] = + MAIN_WRAPPER_BEGIN "\n" + "uniform vec4 " MAIN_WRAPPER_FLIP_UNIFORM ";\n" + "\n" + "void\n" + "main ()\n" + "{\n" + " " MAIN_WRAPPER_REPLACEMENT_NAME " ();\n" + " gl_Position *= " MAIN_WRAPPER_FLIP_UNIFORM ";\n" + "}\n" + MAIN_WRAPPER_END; + +enum { + RESTORE_FB_NONE, + RESTORE_FB_FROM_OFFSCREEN, + RESTORE_FB_FROM_ONSCREEN, +}; + +uint32_t +_cogl_gles2_context_error_quark (void) +{ + return g_quark_from_static_string ("cogl-gles2-context-error-quark"); +} + +static void +shader_data_unref (CoglGLES2Context *context, + CoglGLES2ShaderData *shader_data) +{ + if (--shader_data->ref_count < 1) + /* Removing the hash table entry should also destroy the data */ + g_hash_table_remove (context->shader_map, + GINT_TO_POINTER (shader_data->object_id)); +} + +static void +program_data_unref (CoglGLES2ProgramData *program_data) +{ + if (--program_data->ref_count < 1) + /* Removing the hash table entry should also destroy the data */ + g_hash_table_remove (program_data->context->program_map, + GINT_TO_POINTER (program_data->object_id)); +} + +static void +detach_shader (CoglGLES2ProgramData *program_data, + CoglGLES2ShaderData *shader_data) +{ + GList *l; + + for (l = program_data->attached_shaders; l; l = l->next) + { + if (l->data == shader_data) + { + shader_data_unref (program_data->context, shader_data); + program_data->attached_shaders = + g_list_delete_link (program_data->attached_shaders, l); + break; + } + } +} + +static CoglBool +is_symbol_character (char ch) +{ + return g_ascii_isalnum (ch) || ch == '_'; +} + +static void +replace_token (char *string, + const char *token, + const char *replacement, + int length) +{ + char *token_pos; + char *last_pos = string; + char *end = string + length; + int token_length = strlen (token); + + /* NOTE: this assumes token and replacement are the same length */ + + while ((token_pos = _cogl_util_memmem (last_pos, + end - last_pos, + token, + token_length))) + { + /* Make sure this isn't in the middle of some longer token */ + if ((token_pos <= string || + !is_symbol_character (token_pos[-1])) && + (token_pos + token_length == end || + !is_symbol_character (token_pos[token_length]))) + memcpy (token_pos, replacement, token_length); + + last_pos = token_pos + token_length; + } +} + +static void +update_current_flip_state (CoglGLES2Context *gles2_ctx) +{ + CoglGLES2FlipState new_flip_state; + + if (gles2_ctx->current_fbo_handle == 0 && + cogl_is_offscreen (gles2_ctx->write_buffer)) + new_flip_state = COGL_GLES2_FLIP_STATE_FLIPPED; + else + new_flip_state = COGL_GLES2_FLIP_STATE_NORMAL; + + /* If the flip state has changed then we need to reflush all of the + * dependent state */ + if (new_flip_state != gles2_ctx->current_flip_state) + { + gles2_ctx->viewport_dirty = TRUE; + gles2_ctx->scissor_dirty = TRUE; + gles2_ctx->front_face_dirty = TRUE; + gles2_ctx->current_flip_state = new_flip_state; + } +} + +static GLuint +get_current_texture_2d_object (CoglGLES2Context *gles2_ctx) +{ + return g_array_index (gles2_ctx->texture_units, + CoglGLES2TextureUnitData, + gles2_ctx->current_texture_unit).current_texture_2d; +} + +static void +set_texture_object_data (CoglGLES2Context *gles2_ctx, + GLenum target, + GLint level, + GLenum internal_format, + GLsizei width, + GLsizei height) +{ + GLuint texture_id = get_current_texture_2d_object (gles2_ctx); + CoglGLES2TextureObjectData *texture_object; + + /* We want to keep track of all texture objects where the data is + * created by this context so that we can delete them later */ + texture_object = g_hash_table_lookup (gles2_ctx->texture_object_map, + GUINT_TO_POINTER (texture_id)); + if (texture_object == NULL) + { + texture_object = g_slice_new0 (CoglGLES2TextureObjectData); + texture_object->object_id = texture_id; + + g_hash_table_insert (gles2_ctx->texture_object_map, + GUINT_TO_POINTER (texture_id), + texture_object); + } + + switch (target) + { + case GL_TEXTURE_2D: + texture_object->target = GL_TEXTURE_2D; + + /* We want to keep track of the dimensions of any texture object + * setting the GL_TEXTURE_2D target */ + if (level == 0) + { + texture_object->width = width; + texture_object->height = height; + texture_object->format = internal_format; + } + break; + + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + texture_object->target = GL_TEXTURE_CUBE_MAP; + break; + } +} + +static void +copy_flipped_texture (CoglGLES2Context *gles2_ctx, + int level, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height) +{ + GLuint tex_id = get_current_texture_2d_object (gles2_ctx); + CoglGLES2TextureObjectData *tex_object_data; + CoglContext *ctx; + const CoglWinsysVtable *winsys; + CoglTexture2D *dst_texture; + CoglPixelFormat internal_format; + + tex_object_data = g_hash_table_lookup (gles2_ctx->texture_object_map, + GUINT_TO_POINTER (tex_id)); + + /* We can't do anything if the application hasn't set a level 0 + * image on this texture object */ + if (tex_object_data == NULL || + tex_object_data->target != GL_TEXTURE_2D || + tex_object_data->width <= 0 || + tex_object_data->height <= 0) + return; + + switch (tex_object_data->format) + { + case GL_RGB: + internal_format = COGL_PIXEL_FORMAT_RGB_888; + break; + + case GL_RGBA: + internal_format = COGL_PIXEL_FORMAT_RGBA_8888_PRE; + break; + + case GL_ALPHA: + internal_format = COGL_PIXEL_FORMAT_A_8; + break; + + case GL_LUMINANCE: + internal_format = COGL_PIXEL_FORMAT_G_8; + break; + + default: + /* We can't handle this format so just give up */ + return; + } + + ctx = gles2_ctx->context; + winsys = ctx->display->renderer->winsys_vtable; + + /* We need to make sure the rendering on the GLES2 context is + * complete before the blit will be ready in the GLES2 context */ + ctx->glFinish (); + /* We need to force Cogl to rebind the texture because according to + * the GL spec a shared texture isn't guaranteed to be updated until + * is rebound */ + _cogl_get_texture_unit (0)->dirty_gl_texture = TRUE; + + /* Temporarily switch back to the Cogl context */ + winsys->restore_context (ctx); + + dst_texture = + cogl_gles2_texture_2d_new_from_handle (gles2_ctx->context, + gles2_ctx, + tex_id, + tex_object_data->width, + tex_object_data->height, + internal_format); + + if (dst_texture) + { + CoglTexture *src_texture = + COGL_OFFSCREEN (gles2_ctx->read_buffer)->texture; + CoglPipeline *pipeline = cogl_pipeline_new (ctx); + const CoglOffscreenFlags flags = COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL; + CoglOffscreen *offscreen = + _cogl_offscreen_new_with_texture_full (COGL_TEXTURE (dst_texture), + flags, level); + int src_width = cogl_texture_get_width (src_texture); + int src_height = cogl_texture_get_height (src_texture); + /* The framebuffer size might be different from the texture size + * if a level > 0 is used */ + int dst_width = + cogl_framebuffer_get_width (COGL_FRAMEBUFFER (offscreen)); + int dst_height = + cogl_framebuffer_get_height (COGL_FRAMEBUFFER (offscreen)); + float x_1, y_1, x_2, y_2, s_1, t_1, s_2, t_2; + + cogl_pipeline_set_layer_texture (pipeline, 0, src_texture); + cogl_pipeline_set_blend (pipeline, + "RGBA = ADD(SRC_COLOR, 0)", + NULL); + cogl_pipeline_set_layer_filters (pipeline, + 0, /* layer_num */ + COGL_PIPELINE_FILTER_NEAREST, + COGL_PIPELINE_FILTER_NEAREST); + + x_1 = dst_x * 2.0f / dst_width - 1.0f; + y_1 = dst_y * 2.0f / dst_height - 1.0f; + x_2 = x_1 + width * 2.0f / dst_width; + y_2 = y_1 + height * 2.0f / dst_height; + + s_1 = src_x / (float) src_width; + t_1 = 1.0f - src_y / (float) src_height; + s_2 = (src_x + width) / (float) src_width; + t_2 = 1.0f - (src_y + height) / (float) src_height; + + cogl_framebuffer_draw_textured_rectangle (COGL_FRAMEBUFFER (offscreen), + pipeline, + x_1, y_1, + x_2, y_2, + s_1, t_1, + s_2, t_2); + + _cogl_framebuffer_flush_journal (COGL_FRAMEBUFFER (offscreen)); + + /* We need to make sure the rendering is complete before the + * blit will be ready in the GLES2 context */ + ctx->glFinish (); + + cogl_object_unref (pipeline); + cogl_object_unref (dst_texture); + cogl_object_unref (offscreen); + } + + winsys->set_gles2_context (gles2_ctx, NULL); + + /* From what I understand of the GL spec, changes to a shared object + * are not guaranteed to be propagated to another context until that + * object is rebound in that context so we can just rebind it + * here */ + gles2_ctx->vtable->glBindTexture (GL_TEXTURE_2D, tex_id); +} + +/* We wrap glBindFramebuffer so that when framebuffer 0 is bound + * we can instead bind the write_framebuffer passed to + * cogl_push_gles2_context(). + */ +static void +gl_bind_framebuffer_wrapper (GLenum target, GLuint framebuffer) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + gles2_ctx->current_fbo_handle = framebuffer; + + if (framebuffer == 0 && cogl_is_offscreen (gles2_ctx->write_buffer)) + { + CoglGLES2Offscreen *write = gles2_ctx->gles2_write_buffer; + framebuffer = write->gl_framebuffer.fbo_handle; + } + + gles2_ctx->context->glBindFramebuffer (target, framebuffer); + + update_current_flip_state (gles2_ctx); +} + +static int +transient_bind_read_buffer (CoglGLES2Context *gles2_ctx) +{ + if (gles2_ctx->current_fbo_handle == 0) + { + if (cogl_is_offscreen (gles2_ctx->read_buffer)) + { + CoglGLES2Offscreen *read = gles2_ctx->gles2_read_buffer; + GLuint read_fbo_handle = read->gl_framebuffer.fbo_handle; + + gles2_ctx->context->glBindFramebuffer (GL_FRAMEBUFFER, + read_fbo_handle); + + return RESTORE_FB_FROM_OFFSCREEN; + } + else + { + _cogl_framebuffer_gl_bind (gles2_ctx->read_buffer, + 0 /* target ignored */); + + return RESTORE_FB_FROM_ONSCREEN; + } + } + else + return RESTORE_FB_NONE; +} + +static void +restore_write_buffer (CoglGLES2Context *gles2_ctx, + int restore_mode) +{ + switch (restore_mode) + { + case RESTORE_FB_FROM_OFFSCREEN: + + gl_bind_framebuffer_wrapper (GL_FRAMEBUFFER, 0); + + break; + case RESTORE_FB_FROM_ONSCREEN: + + /* Note: we can't restore the original write buffer using + * _cogl_framebuffer_gl_bind() if it's an offscreen + * framebuffer because _cogl_framebuffer_gl_bind() doesn't + * know about the fbo handle owned by the gles2 context. + */ + if (cogl_is_offscreen (gles2_ctx->write_buffer)) + gl_bind_framebuffer_wrapper (GL_FRAMEBUFFER, 0); + else + _cogl_framebuffer_gl_bind (gles2_ctx->write_buffer, GL_FRAMEBUFFER); + + break; + case RESTORE_FB_NONE: + break; + } +} + +/* We wrap glReadPixels so when framebuffer 0 is bound then we can + * read from the read_framebuffer passed to cogl_push_gles2_context(). + */ +static void +gl_read_pixels_wrapper (GLint x, + GLint y, + GLsizei width, + GLsizei height, + GLenum format, + GLenum type, + GLvoid *pixels) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + int restore_mode = transient_bind_read_buffer (gles2_ctx); + + gles2_ctx->context->glReadPixels (x, y, width, height, format, type, pixels); + + restore_write_buffer (gles2_ctx, restore_mode); + + /* If the read buffer is a CoglOffscreen then the data will be + * upside down compared to what GL expects so we need to flip it */ + if (gles2_ctx->current_fbo_handle == 0 && + cogl_is_offscreen (gles2_ctx->read_buffer)) + { + int bpp, bytes_per_row, stride, y; + uint8_t *bytes = pixels; + uint8_t *temprow; + + /* Try to determine the bytes per pixel for the given + * format/type combination. If there's a format which doesn't + * make sense then we'll just give up because GL will probably + * have just thrown an error */ + switch (format) + { + case GL_RGB: + switch (type) + { + case GL_UNSIGNED_BYTE: + bpp = 3; + break; + + case GL_UNSIGNED_SHORT_5_6_5: + bpp = 2; + break; + + default: + return; + } + break; + + case GL_RGBA: + switch (type) + { + case GL_UNSIGNED_BYTE: + bpp = 4; + break; + + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_5_5_5_1: + bpp = 2; + break; + + default: + return; + } + break; + + case GL_ALPHA: + switch (type) + { + case GL_UNSIGNED_BYTE: + bpp = 1; + break; + + default: + return; + } + break; + + default: + return; + } + + bytes_per_row = bpp * width; + stride = ((bytes_per_row + gles2_ctx->pack_alignment - 1) & + ~(gles2_ctx->pack_alignment - 1)); + temprow = g_alloca (bytes_per_row); + + /* vertically flip the buffer in-place */ + for (y = 0; y < height / 2; y++) + { + if (y != height - y - 1) /* skip center row */ + { + memcpy (temprow, + bytes + y * stride, + bytes_per_row); + memcpy (bytes + y * stride, + bytes + (height - y - 1) * stride, + bytes_per_row); + memcpy (bytes + (height - y - 1) * stride, + temprow, + bytes_per_row); + } + } + } +} + +static void +gl_copy_tex_image_2d_wrapper (GLenum target, + GLint level, + GLenum internal_format, + GLint x, + GLint y, + GLsizei width, + GLsizei height, + GLint border) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + /* If we are reading from a CoglOffscreen buffer then the image will + * be upside down with respect to what GL expects so we can't use + * glCopyTexImage2D. Instead we we'll try to use the Cogl API to + * flip it */ + if (gles2_ctx->current_fbo_handle == 0 && + cogl_is_offscreen (gles2_ctx->read_buffer)) + { + /* This will only work with the GL_TEXTURE_2D target. FIXME: + * GLES2 also supports setting cube map textures with + * glTexImage2D so we need to handle that too */ + if (target != GL_TEXTURE_2D) + return; + + /* Create an empty texture to hold the data */ + gles2_ctx->vtable->glTexImage2D (target, + level, + internal_format, + width, height, + border, + internal_format, /* format */ + GL_UNSIGNED_BYTE, /* type */ + NULL /* data */); + + copy_flipped_texture (gles2_ctx, + level, + x, y, /* src_x/src_y */ + 0, 0, /* dst_x/dst_y */ + width, height); + } + else + { + int restore_mode = transient_bind_read_buffer (gles2_ctx); + + gles2_ctx->context->glCopyTexImage2D (target, level, internal_format, + x, y, width, height, border); + + restore_write_buffer (gles2_ctx, restore_mode); + + set_texture_object_data (gles2_ctx, + target, + level, + internal_format, + width, height); + } +} + +static void +gl_copy_tex_sub_image_2d_wrapper (GLenum target, + GLint level, + GLint xoffset, + GLint yoffset, + GLint x, + GLint y, + GLsizei width, + GLsizei height) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + /* If we are reading from a CoglOffscreen buffer then the image will + * be upside down with respect to what GL expects so we can't use + * glCopyTexSubImage2D. Instead we we'll try to use the Cogl API to + * flip it */ + if (gles2_ctx->current_fbo_handle == 0 && + cogl_is_offscreen (gles2_ctx->read_buffer)) + { + /* This will only work with the GL_TEXTURE_2D target. FIXME: + * GLES2 also supports setting cube map textures with + * glTexImage2D so we need to handle that too */ + if (target != GL_TEXTURE_2D) + return; + + copy_flipped_texture (gles2_ctx, + level, + x, y, /* src_x/src_y */ + xoffset, yoffset, /* dst_x/dst_y */ + width, height); + } + else + { + int restore_mode = transient_bind_read_buffer (gles2_ctx); + + gles2_ctx->context->glCopyTexSubImage2D (target, level, + xoffset, yoffset, + x, y, width, height); + + restore_write_buffer (gles2_ctx, restore_mode); + } +} + +static GLuint +gl_create_shader_wrapper (GLenum type) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + GLuint id; + + id = gles2_ctx->context->glCreateShader (type); + + if (id != 0) + { + CoglGLES2ShaderData *data = g_slice_new (CoglGLES2ShaderData); + + data->object_id = id; + data->type = type; + data->ref_count = 1; + data->deleted = FALSE; + + g_hash_table_insert (gles2_ctx->shader_map, + GINT_TO_POINTER (id), + data); + } + + return id; +} + +static void +gl_delete_shader_wrapper (GLuint shader) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + CoglGLES2ShaderData *shader_data; + + if ((shader_data = g_hash_table_lookup (gles2_ctx->shader_map, + GINT_TO_POINTER (shader))) && + !shader_data->deleted) + { + shader_data->deleted = TRUE; + shader_data_unref (gles2_ctx, shader_data); + } + + gles2_ctx->context->glDeleteShader (shader); +} + +static GLuint +gl_create_program_wrapper (void) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + GLuint id; + + id = gles2_ctx->context->glCreateProgram (); + + if (id != 0) + { + CoglGLES2ProgramData *data = g_slice_new (CoglGLES2ProgramData); + + data->object_id = id; + data->attached_shaders = NULL; + data->ref_count = 1; + data->deleted = FALSE; + data->context = gles2_ctx; + data->flip_vector_location = 0; + data->flip_vector_state = COGL_GLES2_FLIP_STATE_UNKNOWN; + + g_hash_table_insert (gles2_ctx->program_map, + GINT_TO_POINTER (id), + data); + } + + return id; +} + +static void +gl_delete_program_wrapper (GLuint program) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + CoglGLES2ProgramData *program_data; + + if ((program_data = g_hash_table_lookup (gles2_ctx->program_map, + GINT_TO_POINTER (program))) && + !program_data->deleted) + { + program_data->deleted = TRUE; + program_data_unref (program_data); + } + + gles2_ctx->context->glDeleteProgram (program); +} + +static void +gl_use_program_wrapper (GLuint program) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + CoglGLES2ProgramData *program_data; + + program_data = g_hash_table_lookup (gles2_ctx->program_map, + GINT_TO_POINTER (program)); + + if (program_data) + program_data->ref_count++; + if (gles2_ctx->current_program) + program_data_unref (gles2_ctx->current_program); + + gles2_ctx->current_program = program_data; + + gles2_ctx->context->glUseProgram (program); +} + +static void +gl_attach_shader_wrapper (GLuint program, + GLuint shader) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + CoglGLES2ProgramData *program_data; + CoglGLES2ShaderData *shader_data; + + if ((program_data = g_hash_table_lookup (gles2_ctx->program_map, + GINT_TO_POINTER (program))) && + (shader_data = g_hash_table_lookup (gles2_ctx->shader_map, + GINT_TO_POINTER (shader))) && + /* Ignore attempts to attach a shader that is already attached */ + g_list_find (program_data->attached_shaders, shader_data) == NULL) + { + shader_data->ref_count++; + program_data->attached_shaders = + g_list_prepend (program_data->attached_shaders, shader_data); + } + + gles2_ctx->context->glAttachShader (program, shader); +} + +static void +gl_detach_shader_wrapper (GLuint program, + GLuint shader) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + CoglGLES2ProgramData *program_data; + CoglGLES2ShaderData *shader_data; + + if ((program_data = g_hash_table_lookup (gles2_ctx->program_map, + GINT_TO_POINTER (program))) && + (shader_data = g_hash_table_lookup (gles2_ctx->shader_map, + GINT_TO_POINTER (shader)))) + detach_shader (program_data, shader_data); + + gles2_ctx->context->glDetachShader (program, shader); +} + +static void +gl_shader_source_wrapper (GLuint shader, + GLsizei count, + const char *const *string, + const GLint *length) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + CoglGLES2ShaderData *shader_data; + + if ((shader_data = g_hash_table_lookup (gles2_ctx->shader_map, + GINT_TO_POINTER (shader))) && + shader_data->type == GL_VERTEX_SHADER) + { + char **string_copy = g_alloca ((count + 1) * sizeof (char *)); + int *length_copy = g_alloca ((count + 1) * sizeof (int)); + int i; + + /* Replace any occurences of the symbol 'main' with a different + * symbol so that we can provide our own wrapper main + * function */ + + for (i = 0; i < count; i++) + { + int string_length; + + if (length == NULL || length[i] < 0) + string_length = strlen (string[i]); + else + string_length = length[i]; + + string_copy[i] = g_memdup (string[i], string_length); + + replace_token (string_copy[i], + "main", + MAIN_WRAPPER_REPLACEMENT_NAME, + string_length); + + length_copy[i] = string_length; + } + + string_copy[count] = (char *) main_wrapper_function; + length_copy[count] = sizeof (main_wrapper_function) - 1; + + gles2_ctx->context->glShaderSource (shader, + count + 1, + (const char *const *) string_copy, + length_copy); + + /* Note: we don't need to free the last entry in string_copy[] + * because it is our static wrapper string... */ + for (i = 0; i < count; i++) + g_free (string_copy[i]); + } + else + gles2_ctx->context->glShaderSource (shader, count, string, length); +} + +static void +gl_get_shader_source_wrapper (GLuint shader, + GLsizei buf_size, + GLsizei *length_out, + GLchar *source) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + CoglGLES2ShaderData *shader_data; + GLsizei length; + + gles2_ctx->context->glGetShaderSource (shader, + buf_size, + &length, + source); + + if ((shader_data = g_hash_table_lookup (gles2_ctx->shader_map, + GINT_TO_POINTER (shader))) && + shader_data->type == GL_VERTEX_SHADER) + { + GLsizei copy_length = MIN (length, buf_size - 1); + static const char wrapper_marker[] = MAIN_WRAPPER_BEGIN; + char *wrapper_start; + + /* Strip out the wrapper snippet we added when the source was + * specified */ + wrapper_start = _cogl_util_memmem (source, + copy_length, + wrapper_marker, + sizeof (wrapper_marker) - 1); + if (wrapper_start) + { + length = wrapper_start - source; + copy_length = length; + *wrapper_start = '\0'; + } + + /* Correct the name of the main function back to its original */ + replace_token (source, + MAIN_WRAPPER_REPLACEMENT_NAME, + "main", + copy_length); + } + + if (length_out) + *length_out = length; +} + +static void +gl_link_program_wrapper (GLuint program) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + CoglGLES2ProgramData *program_data; + + gles2_ctx->context->glLinkProgram (program); + + program_data = g_hash_table_lookup (gles2_ctx->program_map, + GINT_TO_POINTER (program)); + + if (program_data) + { + GLint status; + + gles2_ctx->context->glGetProgramiv (program, GL_LINK_STATUS, &status); + + if (status) + program_data->flip_vector_location = + gles2_ctx->context->glGetUniformLocation (program, + MAIN_WRAPPER_FLIP_UNIFORM); + } +} + +static void +gl_get_program_iv_wrapper (GLuint program, + GLenum pname, + GLint *params) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + gles2_ctx->context->glGetProgramiv (program, pname, params); + + switch (pname) + { + case GL_ATTACHED_SHADERS: + /* Decrease the number of shaders to try and hide the shader + * wrapper we added */ + if (*params > 1) + (*params)--; + break; + } +} + +static void +flush_viewport_state (CoglGLES2Context *gles2_ctx) +{ + if (gles2_ctx->viewport_dirty) + { + int y; + + if (gles2_ctx->current_flip_state == COGL_GLES2_FLIP_STATE_FLIPPED) + { + /* We need to know the height of the current framebuffer in + * order to flip the viewport. Fortunately we don't need to + * track the height of the FBOs created within the GLES2 + * context because we would never be flipping if they are + * bound so we can just assume Cogl's framebuffer is bound + * when we are flipping */ + int fb_height = cogl_framebuffer_get_height (gles2_ctx->write_buffer); + y = fb_height - (gles2_ctx->viewport[1] + gles2_ctx->viewport[3]); + } + else + y = gles2_ctx->viewport[1]; + + gles2_ctx->context->glViewport (gles2_ctx->viewport[0], + y, + gles2_ctx->viewport[2], + gles2_ctx->viewport[3]); + + gles2_ctx->viewport_dirty = FALSE; + } +} + +static void +flush_scissor_state (CoglGLES2Context *gles2_ctx) +{ + if (gles2_ctx->scissor_dirty) + { + int y; + + if (gles2_ctx->current_flip_state == COGL_GLES2_FLIP_STATE_FLIPPED) + { + /* See comment above about the viewport flipping */ + int fb_height = cogl_framebuffer_get_height (gles2_ctx->write_buffer); + y = fb_height - (gles2_ctx->scissor[1] + gles2_ctx->scissor[3]); + } + else + y = gles2_ctx->scissor[1]; + + gles2_ctx->context->glScissor (gles2_ctx->scissor[0], + y, + gles2_ctx->scissor[2], + gles2_ctx->scissor[3]); + + gles2_ctx->scissor_dirty = FALSE; + } +} + +static void +flush_front_face_state (CoglGLES2Context *gles2_ctx) +{ + if (gles2_ctx->front_face_dirty) + { + GLenum front_face; + + if (gles2_ctx->current_flip_state == COGL_GLES2_FLIP_STATE_FLIPPED) + { + if (gles2_ctx->front_face == GL_CW) + front_face = GL_CCW; + else + front_face = GL_CW; + } + else + front_face = gles2_ctx->front_face; + + gles2_ctx->context->glFrontFace (front_face); + + gles2_ctx->front_face_dirty = FALSE; + } +} + +static void +pre_draw_wrapper (CoglGLES2Context *gles2_ctx) +{ + /* If there's no current program then we'll just let GL report an + * error */ + if (gles2_ctx->current_program == NULL) + return; + + flush_viewport_state (gles2_ctx); + flush_scissor_state (gles2_ctx); + flush_front_face_state (gles2_ctx); + + /* We want to flip rendering when the application is rendering to a + * Cogl offscreen buffer in order to maintain the flipped texture + * coordinate origin */ + if (gles2_ctx->current_flip_state != + gles2_ctx->current_program->flip_vector_state) + { + GLuint location = + gles2_ctx->current_program->flip_vector_location; + float value[4] = { 1.0f, 1.0f, 1.0f, 1.0f }; + + if (gles2_ctx->current_flip_state == COGL_GLES2_FLIP_STATE_FLIPPED) + value[1] = -1.0f; + + gles2_ctx->context->glUniform4fv (location, 1, value); + + gles2_ctx->current_program->flip_vector_state = + gles2_ctx->current_flip_state; + } +} + +static void +gl_clear_wrapper (GLbitfield mask) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + /* Clearing is affected by the scissor state so we need to ensure + * that's flushed */ + flush_scissor_state (gles2_ctx); + + gles2_ctx->context->glClear (mask); +} + +static void +gl_draw_elements_wrapper (GLenum mode, + GLsizei count, + GLenum type, + const GLvoid *indices) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + pre_draw_wrapper (gles2_ctx); + + gles2_ctx->context->glDrawElements (mode, count, type, indices); +} + +static void +gl_draw_arrays_wrapper (GLenum mode, + GLint first, + GLsizei count) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + pre_draw_wrapper (gles2_ctx); + + gles2_ctx->context->glDrawArrays (mode, first, count); +} + +static void +gl_get_program_info_log_wrapper (GLuint program, + GLsizei buf_size, + GLsizei *length_out, + GLchar *info_log) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + GLsizei length; + + gles2_ctx->context->glGetProgramInfoLog (program, + buf_size, + &length, + info_log); + + replace_token (info_log, + MAIN_WRAPPER_REPLACEMENT_NAME, + "main", + MIN (length, buf_size)); + + if (length_out) + *length_out = length; +} + +static void +gl_get_shader_info_log_wrapper (GLuint shader, + GLsizei buf_size, + GLsizei *length_out, + GLchar *info_log) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + GLsizei length; + + gles2_ctx->context->glGetShaderInfoLog (shader, + buf_size, + &length, + info_log); + + replace_token (info_log, + MAIN_WRAPPER_REPLACEMENT_NAME, + "main", + MIN (length, buf_size)); + + if (length_out) + *length_out = length; +} + +static void +gl_front_face_wrapper (GLenum mode) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + /* If the mode doesn't make any sense then we'll just let the + * context deal with it directly so that it will throw an error */ + if (mode != GL_CW && mode != GL_CCW) + gles2_ctx->context->glFrontFace (mode); + else + { + gles2_ctx->front_face = mode; + gles2_ctx->front_face_dirty = TRUE; + } +} + +static void +gl_viewport_wrapper (GLint x, + GLint y, + GLsizei width, + GLsizei height) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + /* If the viewport is invalid then we'll just let the context deal + * with it directly so that it will throw an error */ + if (width < 0 || height < 0) + gles2_ctx->context->glViewport (x, y, width, height); + else + { + gles2_ctx->viewport[0] = x; + gles2_ctx->viewport[1] = y; + gles2_ctx->viewport[2] = width; + gles2_ctx->viewport[3] = height; + gles2_ctx->viewport_dirty = TRUE; + } +} + +static void +gl_scissor_wrapper (GLint x, + GLint y, + GLsizei width, + GLsizei height) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + /* If the scissor is invalid then we'll just let the context deal + * with it directly so that it will throw an error */ + if (width < 0 || height < 0) + gles2_ctx->context->glScissor (x, y, width, height); + else + { + gles2_ctx->scissor[0] = x; + gles2_ctx->scissor[1] = y; + gles2_ctx->scissor[2] = width; + gles2_ctx->scissor[3] = height; + gles2_ctx->scissor_dirty = TRUE; + } +} + +static void +gl_get_boolean_v_wrapper (GLenum pname, + GLboolean *params) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + switch (pname) + { + case GL_VIEWPORT: + { + int i; + + for (i = 0; i < 4; i++) + params[i] = !!gles2_ctx->viewport[i]; + } + break; + + case GL_SCISSOR_BOX: + { + int i; + + for (i = 0; i < 4; i++) + params[i] = !!gles2_ctx->scissor[i]; + } + break; + + default: + gles2_ctx->context->glGetBooleanv (pname, params); + } +} + +static void +gl_get_integer_v_wrapper (GLenum pname, + GLint *params) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + switch (pname) + { + case GL_VIEWPORT: + { + int i; + + for (i = 0; i < 4; i++) + params[i] = gles2_ctx->viewport[i]; + } + break; + + case GL_SCISSOR_BOX: + { + int i; + + for (i = 0; i < 4; i++) + params[i] = gles2_ctx->scissor[i]; + } + break; + + case GL_FRONT_FACE: + params[0] = gles2_ctx->front_face; + break; + + default: + gles2_ctx->context->glGetIntegerv (pname, params); + } +} + +static void +gl_get_float_v_wrapper (GLenum pname, + GLfloat *params) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + switch (pname) + { + case GL_VIEWPORT: + { + int i; + + for (i = 0; i < 4; i++) + params[i] = gles2_ctx->viewport[i]; + } + break; + + case GL_SCISSOR_BOX: + { + int i; + + for (i = 0; i < 4; i++) + params[i] = gles2_ctx->scissor[i]; + } + break; + + case GL_FRONT_FACE: + params[0] = gles2_ctx->front_face; + break; + + default: + gles2_ctx->context->glGetFloatv (pname, params); + } +} + +static void +gl_pixel_store_i_wrapper (GLenum pname, GLint param) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + gles2_ctx->context->glPixelStorei (pname, param); + + if (pname == GL_PACK_ALIGNMENT && + (param == 1 || param == 2 || param == 4 || param == 8)) + gles2_ctx->pack_alignment = param; +} + +static void +gl_active_texture_wrapper (GLenum texture) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + int texture_unit; + + gles2_ctx->context->glActiveTexture (texture); + + texture_unit = texture - GL_TEXTURE0; + + /* If the application is binding some odd looking texture unit + * numbers then we'll just ignore it and hope that GL has generated + * an error */ + if (texture_unit >= 0 && texture_unit < 512) + { + gles2_ctx->current_texture_unit = texture_unit; + g_array_set_size (gles2_ctx->texture_units, + MAX (texture_unit, gles2_ctx->texture_units->len)); + } +} + +static void +gl_delete_textures_wrapper (GLsizei n, + const GLuint *textures) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + int texture_index; + int texture_unit; + + gles2_ctx->context->glDeleteTextures (n, textures); + + for (texture_index = 0; texture_index < n; texture_index++) + { + /* Reset any texture units that have any of these textures bound */ + for (texture_unit = 0; + texture_unit < gles2_ctx->texture_units->len; + texture_unit++) + { + CoglGLES2TextureUnitData *unit = + &g_array_index (gles2_ctx->texture_units, + CoglGLES2TextureUnitData, + texture_unit); + + if (unit->current_texture_2d == textures[texture_index]) + unit->current_texture_2d = 0; + } + + /* Remove the binding. We can do this immediately because unlike + * shader objects the deletion isn't delayed until the object is + * unbound */ + g_hash_table_remove (gles2_ctx->texture_object_map, + GUINT_TO_POINTER (textures[texture_index])); + } +} + +static void +gl_bind_texture_wrapper (GLenum target, + GLuint texture) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + gles2_ctx->context->glBindTexture (target, texture); + + if (target == GL_TEXTURE_2D) + { + CoglGLES2TextureUnitData *unit = + &g_array_index (gles2_ctx->texture_units, + CoglGLES2TextureUnitData, + gles2_ctx->current_texture_unit); + unit->current_texture_2d = texture; + } +} + +static void +gl_tex_image_2d_wrapper (GLenum target, + GLint level, + GLint internal_format, + GLsizei width, + GLsizei height, + GLint border, + GLenum format, + GLenum type, + const GLvoid *pixels) +{ + CoglGLES2Context *gles2_ctx = current_gles2_context; + + gles2_ctx->context->glTexImage2D (target, + level, + internal_format, + width, height, + border, + format, + type, + pixels); + + set_texture_object_data (gles2_ctx, + target, + level, + internal_format, + width, height); +} + +static void +_cogl_gles2_offscreen_free (CoglGLES2Offscreen *gles2_offscreen) +{ + _cogl_list_remove (&gles2_offscreen->link); + g_slice_free (CoglGLES2Offscreen, gles2_offscreen); +} + +static void +force_delete_program_object (CoglGLES2Context *context, + CoglGLES2ProgramData *program_data) +{ + if (!program_data->deleted) + { + context->context->glDeleteProgram (program_data->object_id); + program_data->deleted = TRUE; + program_data_unref (program_data); + } +} + +static void +force_delete_shader_object (CoglGLES2Context *context, + CoglGLES2ShaderData *shader_data) +{ + if (!shader_data->deleted) + { + context->context->glDeleteShader (shader_data->object_id); + shader_data->deleted = TRUE; + shader_data_unref (context, shader_data); + } +} + +static void +force_delete_texture_object (CoglGLES2Context *context, + CoglGLES2TextureObjectData *texture_data) +{ + context->context->glDeleteTextures (1, &texture_data->object_id); +} + +static void +_cogl_gles2_context_free (CoglGLES2Context *gles2_context) +{ + CoglContext *ctx = gles2_context->context; + const CoglWinsysVtable *winsys; + GList *objects, *l; + + if (gles2_context->current_program) + program_data_unref (gles2_context->current_program); + + /* Try to forcibly delete any shaders, programs and textures so that + * they won't get leaked. Because all GLES2 contexts are in the same + * share list as Cogl's context these won't get deleted by default. + * FIXME: we should do this for all of the other resources too, like + * textures */ + objects = g_hash_table_get_values (gles2_context->program_map); + for (l = objects; l; l = l->next) + force_delete_program_object (gles2_context, l->data); + g_list_free (objects); + objects = g_hash_table_get_values (gles2_context->shader_map); + for (l = objects; l; l = l->next) + force_delete_shader_object (gles2_context, l->data); + g_list_free (objects); + objects = g_hash_table_get_values (gles2_context->texture_object_map); + for (l = objects; l; l = l->next) + force_delete_texture_object (gles2_context, l->data); + g_list_free (objects); + + /* All of the program and shader objects should now be destroyed */ + if (g_hash_table_size (gles2_context->program_map) > 0) + g_warning ("Program objects have been leaked from a CoglGLES2Context"); + if (g_hash_table_size (gles2_context->shader_map) > 0) + g_warning ("Shader objects have been leaked from a CoglGLES2Context"); + + g_hash_table_destroy (gles2_context->program_map); + g_hash_table_destroy (gles2_context->shader_map); + + g_hash_table_destroy (gles2_context->texture_object_map); + g_array_free (gles2_context->texture_units, TRUE); + + winsys = ctx->display->renderer->winsys_vtable; + winsys->destroy_gles2_context (gles2_context); + + while (!_cogl_list_empty (&gles2_context->foreign_offscreens)) + { + CoglGLES2Offscreen *gles2_offscreen = + _cogl_container_of (gles2_context->foreign_offscreens.next, + CoglGLES2Offscreen, + link); + + /* Note: this will also indirectly free the gles2_offscreen by + * calling the destroy notify for the _user_data */ + cogl_object_set_user_data (COGL_OBJECT (gles2_offscreen->original_offscreen), + &offscreen_wrapper_key, + NULL, + NULL); + } + + g_free (gles2_context->vtable); + + g_free (gles2_context); +} + +static void +free_shader_data (CoglGLES2ShaderData *data) +{ + g_slice_free (CoglGLES2ShaderData, data); +} + +static void +free_program_data (CoglGLES2ProgramData *data) +{ + while (data->attached_shaders) + detach_shader (data, + data->attached_shaders->data); + + g_slice_free (CoglGLES2ProgramData, data); +} + +static void +free_texture_object_data (CoglGLES2TextureObjectData *data) +{ + g_slice_free (CoglGLES2TextureObjectData, data); +} + +CoglGLES2Context * +cogl_gles2_context_new (CoglContext *ctx, CoglError **error) +{ + CoglGLES2Context *gles2_ctx; + const CoglWinsysVtable *winsys; + + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_GLES2_CONTEXT)) + { + _cogl_set_error (error, COGL_GLES2_CONTEXT_ERROR, + COGL_GLES2_CONTEXT_ERROR_UNSUPPORTED, + "Backend doesn't support creating GLES2 contexts"); + + return NULL; + } + + gles2_ctx = g_malloc0 (sizeof (CoglGLES2Context)); + + gles2_ctx->context = ctx; + + _cogl_list_init (&gles2_ctx->foreign_offscreens); + + winsys = ctx->display->renderer->winsys_vtable; + gles2_ctx->winsys = winsys->context_create_gles2_context (ctx, error); + if (gles2_ctx->winsys == NULL) + { + g_free (gles2_ctx); + return NULL; + } + + gles2_ctx->current_flip_state = COGL_GLES2_FLIP_STATE_UNKNOWN; + gles2_ctx->viewport_dirty = TRUE; + gles2_ctx->scissor_dirty = TRUE; + gles2_ctx->front_face_dirty = TRUE; + gles2_ctx->front_face = GL_CCW; + gles2_ctx->pack_alignment = 4; + + gles2_ctx->vtable = g_malloc0 (sizeof (CoglGLES2Vtable)); +#define COGL_EXT_BEGIN(name, \ + min_gl_major, min_gl_minor, \ + gles_availability, \ + extension_suffixes, extension_names) + +#define COGL_EXT_FUNCTION(ret, name, args) \ + gles2_ctx->vtable->name = (void *) ctx->name; + +#define COGL_EXT_END() + +#include "gl-prototypes/cogl-gles2-functions.h" + +#undef COGL_EXT_BEGIN +#undef COGL_EXT_FUNCTION +#undef COGL_EXT_END + + gles2_ctx->vtable->glBindFramebuffer = + (void *) gl_bind_framebuffer_wrapper; + gles2_ctx->vtable->glReadPixels = + (void *) gl_read_pixels_wrapper; + gles2_ctx->vtable->glCopyTexImage2D = + (void *) gl_copy_tex_image_2d_wrapper; + gles2_ctx->vtable->glCopyTexSubImage2D = + (void *) gl_copy_tex_sub_image_2d_wrapper; + + gles2_ctx->vtable->glCreateShader = gl_create_shader_wrapper; + gles2_ctx->vtable->glDeleteShader = gl_delete_shader_wrapper; + gles2_ctx->vtable->glCreateProgram = gl_create_program_wrapper; + gles2_ctx->vtable->glDeleteProgram = gl_delete_program_wrapper; + gles2_ctx->vtable->glUseProgram = gl_use_program_wrapper; + gles2_ctx->vtable->glAttachShader = gl_attach_shader_wrapper; + gles2_ctx->vtable->glDetachShader = gl_detach_shader_wrapper; + gles2_ctx->vtable->glShaderSource = gl_shader_source_wrapper; + gles2_ctx->vtable->glGetShaderSource = gl_get_shader_source_wrapper; + gles2_ctx->vtable->glLinkProgram = gl_link_program_wrapper; + gles2_ctx->vtable->glGetProgramiv = gl_get_program_iv_wrapper; + gles2_ctx->vtable->glGetProgramInfoLog = gl_get_program_info_log_wrapper; + gles2_ctx->vtable->glGetShaderInfoLog = gl_get_shader_info_log_wrapper; + gles2_ctx->vtable->glClear = gl_clear_wrapper; + gles2_ctx->vtable->glDrawElements = gl_draw_elements_wrapper; + gles2_ctx->vtable->glDrawArrays = gl_draw_arrays_wrapper; + gles2_ctx->vtable->glFrontFace = gl_front_face_wrapper; + gles2_ctx->vtable->glViewport = gl_viewport_wrapper; + gles2_ctx->vtable->glScissor = gl_scissor_wrapper; + gles2_ctx->vtable->glGetBooleanv = gl_get_boolean_v_wrapper; + gles2_ctx->vtable->glGetIntegerv = gl_get_integer_v_wrapper; + gles2_ctx->vtable->glGetFloatv = gl_get_float_v_wrapper; + gles2_ctx->vtable->glPixelStorei = gl_pixel_store_i_wrapper; + gles2_ctx->vtable->glActiveTexture = gl_active_texture_wrapper; + gles2_ctx->vtable->glDeleteTextures = gl_delete_textures_wrapper; + gles2_ctx->vtable->glBindTexture = gl_bind_texture_wrapper; + gles2_ctx->vtable->glTexImage2D = gl_tex_image_2d_wrapper; + + gles2_ctx->shader_map = + g_hash_table_new_full (g_direct_hash, + g_direct_equal, + NULL, /* key_destroy */ + (GDestroyNotify) free_shader_data); + gles2_ctx->program_map = + g_hash_table_new_full (g_direct_hash, + g_direct_equal, + NULL, /* key_destroy */ + (GDestroyNotify) free_program_data); + + gles2_ctx->texture_object_map = + g_hash_table_new_full (g_direct_hash, + g_direct_equal, + NULL, /* key_destroy */ + (GDestroyNotify) free_texture_object_data); + + gles2_ctx->texture_units = g_array_new (FALSE, /* not zero terminated */ + TRUE, /* clear */ + sizeof (CoglGLES2TextureUnitData)); + gles2_ctx->current_texture_unit = 0; + g_array_set_size (gles2_ctx->texture_units, 1); + + return _cogl_gles2_context_object_new (gles2_ctx); +} + +const CoglGLES2Vtable * +cogl_gles2_context_get_vtable (CoglGLES2Context *gles2_ctx) +{ + return gles2_ctx->vtable; +} + +/* When drawing to a CoglFramebuffer from a separate context we have + * to be able to allocate ancillary buffers for that context... + */ +static CoglGLES2Offscreen * +_cogl_gles2_offscreen_allocate (CoglOffscreen *offscreen, + CoglGLES2Context *gles2_context, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (offscreen); + const CoglWinsysVtable *winsys; + CoglError *internal_error = NULL; + CoglGLES2Offscreen *gles2_offscreen; + int level_width; + int level_height; + + if (!framebuffer->allocated && + !cogl_framebuffer_allocate (framebuffer, error)) + { + return NULL; + } + + _cogl_list_for_each (gles2_offscreen, + &gles2_context->foreign_offscreens, + link) + { + if (gles2_offscreen->original_offscreen == offscreen) + return gles2_offscreen; + } + + winsys = _cogl_framebuffer_get_winsys (framebuffer); + winsys->save_context (framebuffer->context); + if (!winsys->set_gles2_context (gles2_context, &internal_error)) + { + winsys->restore_context (framebuffer->context); + + cogl_error_free (internal_error); + _cogl_set_error (error, COGL_FRAMEBUFFER_ERROR, + COGL_FRAMEBUFFER_ERROR_ALLOCATE, + "Failed to bind gles2 context to create framebuffer"); + return NULL; + } + + gles2_offscreen = g_slice_new0 (CoglGLES2Offscreen); + + _cogl_texture_get_level_size (offscreen->texture, + offscreen->texture_level, + &level_width, + &level_height, + NULL); + + if (!_cogl_framebuffer_try_creating_gl_fbo (gles2_context->context, + offscreen->texture, + offscreen->texture_level, + level_width, + level_height, + offscreen->depth_texture, + &COGL_FRAMEBUFFER (offscreen)->config, + offscreen->allocation_flags, + &gles2_offscreen->gl_framebuffer)) + { + winsys->restore_context (framebuffer->context); + + g_slice_free (CoglGLES2Offscreen, gles2_offscreen); + + _cogl_set_error (error, COGL_FRAMEBUFFER_ERROR, + COGL_FRAMEBUFFER_ERROR_ALLOCATE, + "Failed to create an OpenGL framebuffer object"); + return NULL; + } + + winsys->restore_context (framebuffer->context); + + gles2_offscreen->original_offscreen = offscreen; + + _cogl_list_insert (&gles2_context->foreign_offscreens, + &gles2_offscreen->link); + + /* So we avoid building up an ever growing collection of ancillary + * buffers for wrapped framebuffers, we make sure that the wrappers + * get freed when the original offscreen framebuffer is freed. */ + cogl_object_set_user_data (COGL_OBJECT (framebuffer), + &offscreen_wrapper_key, + gles2_offscreen, + (CoglUserDataDestroyCallback) + _cogl_gles2_offscreen_free); + + return gles2_offscreen; +} + +CoglBool +cogl_push_gles2_context (CoglContext *ctx, + CoglGLES2Context *gles2_ctx, + CoglFramebuffer *read_buffer, + CoglFramebuffer *write_buffer, + CoglError **error) +{ + const CoglWinsysVtable *winsys = ctx->display->renderer->winsys_vtable; + CoglError *internal_error = NULL; + + _COGL_RETURN_VAL_IF_FAIL (gles2_ctx != NULL, FALSE); + + /* The read/write buffers are properties of the gles2 context and we + * don't currently track the read/write buffers as part of the stack + * entries so we explicitly don't allow the same context to be + * pushed multiple times. */ + if (g_queue_find (&ctx->gles2_context_stack, gles2_ctx)) + { + g_critical ("Pushing the same GLES2 context multiple times isn't " + "supported"); + return FALSE; + } + + if (ctx->gles2_context_stack.length == 0) + { + _cogl_journal_flush (read_buffer->journal); + if (write_buffer != read_buffer) + _cogl_journal_flush (write_buffer->journal); + winsys->save_context (ctx); + } + else + gles2_ctx->vtable->glFlush (); + + if (gles2_ctx->read_buffer != read_buffer) + { + if (cogl_is_offscreen (read_buffer)) + { + gles2_ctx->gles2_read_buffer = + _cogl_gles2_offscreen_allocate (COGL_OFFSCREEN (read_buffer), + gles2_ctx, + error); + /* XXX: what consistency guarantees should this api have? + * + * It should be safe to return at this point but we provide + * no guarantee to the caller whether their given buffers + * may be referenced and old buffers unreferenced even + * if the _push fails. */ + if (!gles2_ctx->gles2_read_buffer) + return FALSE; + } + else + gles2_ctx->gles2_read_buffer = NULL; + if (gles2_ctx->read_buffer) + cogl_object_unref (gles2_ctx->read_buffer); + gles2_ctx->read_buffer = cogl_object_ref (read_buffer); + } + + if (gles2_ctx->write_buffer != write_buffer) + { + if (cogl_is_offscreen (write_buffer)) + { + gles2_ctx->gles2_write_buffer = + _cogl_gles2_offscreen_allocate (COGL_OFFSCREEN (write_buffer), + gles2_ctx, + error); + /* XXX: what consistency guarantees should this api have? + * + * It should be safe to return at this point but we provide + * no guarantee to the caller whether their given buffers + * may be referenced and old buffers unreferenced even + * if the _push fails. */ + if (!gles2_ctx->gles2_write_buffer) + return FALSE; + } + else + gles2_ctx->gles2_write_buffer = NULL; + if (gles2_ctx->write_buffer) + cogl_object_unref (gles2_ctx->write_buffer); + gles2_ctx->write_buffer = cogl_object_ref (write_buffer); + + update_current_flip_state (gles2_ctx); + } + + if (!winsys->set_gles2_context (gles2_ctx, &internal_error)) + { + winsys->restore_context (ctx); + + cogl_error_free (internal_error); + _cogl_set_error (error, COGL_GLES2_CONTEXT_ERROR, + COGL_GLES2_CONTEXT_ERROR_DRIVER, + "Driver failed to make GLES2 context current"); + return FALSE; + } + + g_queue_push_tail (&ctx->gles2_context_stack, gles2_ctx); + + /* The last time this context was pushed may have been with a + * different offscreen draw framebuffer and so if GL framebuffer 0 + * is bound for this GLES2 context we may need to bind a new, + * corresponding, window system framebuffer... */ + if (gles2_ctx->current_fbo_handle == 0) + { + if (cogl_is_offscreen (gles2_ctx->write_buffer)) + { + CoglGLES2Offscreen *write = gles2_ctx->gles2_write_buffer; + GLuint handle = write->gl_framebuffer.fbo_handle; + gles2_ctx->context->glBindFramebuffer (GL_FRAMEBUFFER, handle); + } + } + + current_gles2_context = gles2_ctx; + + /* If this is the first time this gles2 context has been used then + * we'll force the viewport and scissor to the right size. GL has + * the semantics that the viewport and scissor default to the size + * of the first surface the context is used with. If the first + * CoglFramebuffer that this context is used with is an offscreen, + * then the surface from GL's point of view will be the 1x1 dummy + * surface so the viewport will be wrong. Therefore we just override + * the default viewport and scissor here */ + if (!gles2_ctx->has_been_bound) + { + int fb_width = cogl_framebuffer_get_width (write_buffer); + int fb_height = cogl_framebuffer_get_height (write_buffer); + + gles2_ctx->vtable->glViewport (0, 0, /* x/y */ + fb_width, fb_height); + gles2_ctx->vtable->glScissor (0, 0, /* x/y */ + fb_width, fb_height); + gles2_ctx->has_been_bound = TRUE; + } + + return TRUE; +} + +CoglGLES2Vtable * +cogl_gles2_get_current_vtable (void) +{ + return current_gles2_context ? current_gles2_context->vtable : NULL; +} + +void +cogl_pop_gles2_context (CoglContext *ctx) +{ + CoglGLES2Context *gles2_ctx; + const CoglWinsysVtable *winsys = ctx->display->renderer->winsys_vtable; + + _COGL_RETURN_IF_FAIL (ctx->gles2_context_stack.length > 0); + + g_queue_pop_tail (&ctx->gles2_context_stack); + + gles2_ctx = g_queue_peek_tail (&ctx->gles2_context_stack); + + if (gles2_ctx) + { + winsys->set_gles2_context (gles2_ctx, NULL); + current_gles2_context = gles2_ctx; + } + else + { + winsys->restore_context (ctx); + current_gles2_context = NULL; + } +} + +CoglTexture2D * +cogl_gles2_texture_2d_new_from_handle (CoglContext *ctx, + CoglGLES2Context *gles2_ctx, + unsigned int handle, + int width, + int height, + CoglPixelFormat format) +{ + return cogl_texture_2d_gl_new_from_foreign (ctx, + handle, + width, + height, + format); +} + +CoglBool +cogl_gles2_texture_get_handle (CoglTexture *texture, + unsigned int *handle, + unsigned int *target) +{ + return cogl_texture_get_gl_texture (texture, handle, target); +} diff --git a/cogl/cogl-gles2-types.h b/cogl/cogl-gles2-types.h new file mode 100644 index 0000000..8f41bf8 --- /dev/null +++ b/cogl/cogl-gles2-types.h @@ -0,0 +1,474 @@ +#ifndef __COGL_GLES2_TYPES_H_ +#define __COGL_GLES2_TYPES_H_ + +/* $Revision: 16803 $ on $Date:: 2012-02-02 09:49:18 -0800 #$ */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * This document is licensed under the SGI Free Software B License Version + * 2.0. For details, see http://oss.sgi.com/projects/FreeB/ . + */ + +/*------------------------------------------------------------------------- + * Data type definitions + *-----------------------------------------------------------------------*/ + +typedef void GLvoid; +typedef char GLchar; +typedef unsigned int GLenum; +typedef unsigned char GLboolean; +typedef unsigned int GLbitfield; +typedef int8_t GLbyte; +typedef short GLshort; +typedef int GLint; +typedef int GLsizei; +typedef uint8_t GLubyte; +typedef unsigned short GLushort; +typedef unsigned int GLuint; +typedef float GLfloat; +typedef float GLclampf; +typedef int32_t GLfixed; + +/* GL types for handling large vertex buffer objects */ +typedef signed long int GLintptr; +typedef long GLsizeiptr; + +/* OpenGL ES core versions */ +#define GL_ES_VERSION_2_0 1 + +/* ClearBufferMask */ +#define GL_DEPTH_BUFFER_BIT 0x00000100 +#define GL_STENCIL_BUFFER_BIT 0x00000400 +#define GL_COLOR_BUFFER_BIT 0x00004000 + +/* Boolean */ +#define GL_FALSE 0 +#define GL_TRUE 1 + +/* BeginMode */ +#define GL_POINTS 0x0000 +#define GL_LINES 0x0001 +#define GL_LINE_LOOP 0x0002 +#define GL_LINE_STRIP 0x0003 +#define GL_TRIANGLES 0x0004 +#define GL_TRIANGLE_STRIP 0x0005 +#define GL_TRIANGLE_FAN 0x0006 + +/* AlphaFunction (not supported in ES20) */ +/* GL_NEVER */ +/* GL_LESS */ +/* GL_EQUAL */ +/* GL_LEQUAL */ +/* GL_GREATER */ +/* GL_NOTEQUAL */ +/* GL_GEQUAL */ +/* GL_ALWAYS */ + +/* BlendingFactorDest */ +#define GL_ZERO 0 +#define GL_ONE 1 +#define GL_SRC_COLOR 0x0300 +#define GL_ONE_MINUS_SRC_COLOR 0x0301 +#define GL_SRC_ALPHA 0x0302 +#define GL_ONE_MINUS_SRC_ALPHA 0x0303 +#define GL_DST_ALPHA 0x0304 +#define GL_ONE_MINUS_DST_ALPHA 0x0305 + +/* BlendingFactorSrc */ +/* GL_ZERO */ +/* GL_ONE */ +#define GL_DST_COLOR 0x0306 +#define GL_ONE_MINUS_DST_COLOR 0x0307 +#define GL_SRC_ALPHA_SATURATE 0x0308 +/* GL_SRC_ALPHA */ +/* GL_ONE_MINUS_SRC_ALPHA */ +/* GL_DST_ALPHA */ +/* GL_ONE_MINUS_DST_ALPHA */ + +/* BlendEquationSeparate */ +#define GL_FUNC_ADD 0x8006 +#define GL_BLEND_EQUATION 0x8009 +#define GL_BLEND_EQUATION_RGB 0x8009 /* same as BLEND_EQUATION */ +#define GL_BLEND_EQUATION_ALPHA 0x883D + +/* BlendSubtract */ +#define GL_FUNC_SUBTRACT 0x800A +#define GL_FUNC_REVERSE_SUBTRACT 0x800B + +/* Separate Blend Functions */ +#define GL_BLEND_DST_RGB 0x80C8 +#define GL_BLEND_SRC_RGB 0x80C9 +#define GL_BLEND_DST_ALPHA 0x80CA +#define GL_BLEND_SRC_ALPHA 0x80CB +#define GL_CONSTANT_COLOR 0x8001 +#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002 +#define GL_CONSTANT_ALPHA 0x8003 +#define GL_ONE_MINUS_CONSTANT_ALPHA 0x8004 +#define GL_BLEND_COLOR 0x8005 + +/* Buffer Objects */ +#define GL_ARRAY_BUFFER 0x8892 +#define GL_ELEMENT_ARRAY_BUFFER 0x8893 +#define GL_ARRAY_BUFFER_BINDING 0x8894 +#define GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895 + +#define GL_STREAM_DRAW 0x88E0 +#define GL_STATIC_DRAW 0x88E4 +#define GL_DYNAMIC_DRAW 0x88E8 + +#define GL_BUFFER_SIZE 0x8764 +#define GL_BUFFER_USAGE 0x8765 + +#define GL_CURRENT_VERTEX_ATTRIB 0x8626 + +/* CullFaceMode */ +#define GL_FRONT 0x0404 +#define GL_BACK 0x0405 +#define GL_FRONT_AND_BACK 0x0408 + +/* DepthFunction */ +/* GL_NEVER */ +/* GL_LESS */ +/* GL_EQUAL */ +/* GL_LEQUAL */ +/* GL_GREATER */ +/* GL_NOTEQUAL */ +/* GL_GEQUAL */ +/* GL_ALWAYS */ + +/* EnableCap */ +#define GL_TEXTURE_2D 0x0DE1 +#define GL_CULL_FACE 0x0B44 +#define GL_BLEND 0x0BE2 +#define GL_DITHER 0x0BD0 +#define GL_STENCIL_TEST 0x0B90 +#define GL_DEPTH_TEST 0x0B71 +#define GL_SCISSOR_TEST 0x0C11 +#define GL_POLYGON_OFFSET_FILL 0x8037 +#define GL_SAMPLE_ALPHA_TO_COVERAGE 0x809E +#define GL_SAMPLE_COVERAGE 0x80A0 + +/* ErrorCode */ +#define GL_NO_ERROR 0 +#define GL_INVALID_ENUM 0x0500 +#define GL_INVALID_VALUE 0x0501 +#define GL_INVALID_OPERATION 0x0502 +#define GL_OUT_OF_MEMORY 0x0505 + +/* FrontFaceDirection */ +#define GL_CW 0x0900 +#define GL_CCW 0x0901 + +/* GetPName */ +#define GL_LINE_WIDTH 0x0B21 +#define GL_ALIASED_POINT_SIZE_RANGE 0x846D +#define GL_ALIASED_LINE_WIDTH_RANGE 0x846E +#define GL_CULL_FACE_MODE 0x0B45 +#define GL_FRONT_FACE 0x0B46 +#define GL_DEPTH_RANGE 0x0B70 +#define GL_DEPTH_WRITEMASK 0x0B72 +#define GL_DEPTH_CLEAR_VALUE 0x0B73 +#define GL_DEPTH_FUNC 0x0B74 +#define GL_STENCIL_CLEAR_VALUE 0x0B91 +#define GL_STENCIL_FUNC 0x0B92 +#define GL_STENCIL_FAIL 0x0B94 +#define GL_STENCIL_PASS_DEPTH_FAIL 0x0B95 +#define GL_STENCIL_PASS_DEPTH_PASS 0x0B96 +#define GL_STENCIL_REF 0x0B97 +#define GL_STENCIL_VALUE_MASK 0x0B93 +#define GL_STENCIL_WRITEMASK 0x0B98 +#define GL_STENCIL_BACK_FUNC 0x8800 +#define GL_STENCIL_BACK_FAIL 0x8801 +#define GL_STENCIL_BACK_PASS_DEPTH_FAIL 0x8802 +#define GL_STENCIL_BACK_PASS_DEPTH_PASS 0x8803 +#define GL_STENCIL_BACK_REF 0x8CA3 +#define GL_STENCIL_BACK_VALUE_MASK 0x8CA4 +#define GL_STENCIL_BACK_WRITEMASK 0x8CA5 +#define GL_VIEWPORT 0x0BA2 +#define GL_SCISSOR_BOX 0x0C10 +/* GL_SCISSOR_TEST */ +#define GL_COLOR_CLEAR_VALUE 0x0C22 +#define GL_COLOR_WRITEMASK 0x0C23 +#define GL_UNPACK_ALIGNMENT 0x0CF5 +#define GL_PACK_ALIGNMENT 0x0D05 +#define GL_MAX_TEXTURE_SIZE 0x0D33 +#define GL_MAX_VIEWPORT_DIMS 0x0D3A +#define GL_SUBPIXEL_BITS 0x0D50 +#define GL_RED_BITS 0x0D52 +#define GL_GREEN_BITS 0x0D53 +#define GL_BLUE_BITS 0x0D54 +#define GL_ALPHA_BITS 0x0D55 +#define GL_DEPTH_BITS 0x0D56 +#define GL_STENCIL_BITS 0x0D57 +#define GL_POLYGON_OFFSET_UNITS 0x2A00 +/* GL_POLYGON_OFFSET_FILL */ +#define GL_POLYGON_OFFSET_FACTOR 0x8038 +#define GL_TEXTURE_BINDING_2D 0x8069 +#define GL_SAMPLE_BUFFERS 0x80A8 +#define GL_SAMPLES 0x80A9 +#define GL_SAMPLE_COVERAGE_VALUE 0x80AA +#define GL_SAMPLE_COVERAGE_INVERT 0x80AB + +/* GetTextureParameter */ +/* GL_TEXTURE_MAG_FILTER */ +/* GL_TEXTURE_MIN_FILTER */ +/* GL_TEXTURE_WRAP_S */ +/* GL_TEXTURE_WRAP_T */ + +#define GL_NUM_COMPRESSED_TEXTURE_FORMATS 0x86A2 +#define GL_COMPRESSED_TEXTURE_FORMATS 0x86A3 + +/* HintMode */ +#define GL_DONT_CARE 0x1100 +#define GL_FASTEST 0x1101 +#define GL_NICEST 0x1102 + +/* HintTarget */ +#define GL_GENERATE_MIPMAP_HINT 0x8192 + +/* DataType */ +#define GL_BYTE 0x1400 +#define GL_UNSIGNED_BYTE 0x1401 +#define GL_SHORT 0x1402 +#define GL_UNSIGNED_SHORT 0x1403 +#define GL_INT 0x1404 +#define GL_UNSIGNED_INT 0x1405 +#define GL_FLOAT 0x1406 +#define GL_FIXED 0x140C + +/* PixelFormat */ +#define GL_DEPTH_COMPONENT 0x1902 +#define GL_ALPHA 0x1906 +#define GL_RGB 0x1907 +#define GL_RGBA 0x1908 +#define GL_LUMINANCE 0x1909 +#define GL_LUMINANCE_ALPHA 0x190A + +/* PixelType */ +/* GL_UNSIGNED_BYTE */ +#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033 +#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034 +#define GL_UNSIGNED_SHORT_5_6_5 0x8363 + +/* Shaders */ +#define GL_FRAGMENT_SHADER 0x8B30 +#define GL_VERTEX_SHADER 0x8B31 +#define GL_MAX_VERTEX_ATTRIBS 0x8869 +#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB +#define GL_MAX_VARYING_VECTORS 0x8DFC +#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS 0x8B4D +#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C +#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872 +#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD +#define GL_SHADER_TYPE 0x8B4F +#define GL_DELETE_STATUS 0x8B80 +#define GL_LINK_STATUS 0x8B82 +#define GL_VALIDATE_STATUS 0x8B83 +#define GL_ATTACHED_SHADERS 0x8B85 +#define GL_ACTIVE_UNIFORMS 0x8B86 +#define GL_ACTIVE_UNIFORM_MAX_LENGTH 0x8B87 +#define GL_ACTIVE_ATTRIBUTES 0x8B89 +#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH 0x8B8A +#define GL_SHADING_LANGUAGE_VERSION 0x8B8C +#define GL_CURRENT_PROGRAM 0x8B8D + +/* StencilFunction */ +#define GL_NEVER 0x0200 +#define GL_LESS 0x0201 +#define GL_EQUAL 0x0202 +#define GL_LEQUAL 0x0203 +#define GL_GREATER 0x0204 +#define GL_NOTEQUAL 0x0205 +#define GL_GEQUAL 0x0206 +#define GL_ALWAYS 0x0207 + +/* StencilOp */ +/* GL_ZERO */ +#define GL_KEEP 0x1E00 +#define GL_REPLACE 0x1E01 +#define GL_INCR 0x1E02 +#define GL_DECR 0x1E03 +#define GL_INVERT 0x150A +#define GL_INCR_WRAP 0x8507 +#define GL_DECR_WRAP 0x8508 + +/* StringName */ +#define GL_VENDOR 0x1F00 +#define GL_RENDERER 0x1F01 +#define GL_VERSION 0x1F02 +#define GL_EXTENSIONS 0x1F03 + +/* TextureMagFilter */ +#define GL_NEAREST 0x2600 +#define GL_LINEAR 0x2601 + +/* TextureMinFilter */ +/* GL_NEAREST */ +/* GL_LINEAR */ +#define GL_NEAREST_MIPMAP_NEAREST 0x2700 +#define GL_LINEAR_MIPMAP_NEAREST 0x2701 +#define GL_NEAREST_MIPMAP_LINEAR 0x2702 +#define GL_LINEAR_MIPMAP_LINEAR 0x2703 + +/* TextureParameterName */ +#define GL_TEXTURE_MAG_FILTER 0x2800 +#define GL_TEXTURE_MIN_FILTER 0x2801 +#define GL_TEXTURE_WRAP_S 0x2802 +#define GL_TEXTURE_WRAP_T 0x2803 + +/* TextureTarget */ +/* GL_TEXTURE_2D */ +#define GL_TEXTURE 0x1702 + +#define GL_TEXTURE_CUBE_MAP 0x8513 +#define GL_TEXTURE_BINDING_CUBE_MAP 0x8514 +#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515 +#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X 0x8516 +#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y 0x8517 +#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y 0x8518 +#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z 0x8519 +#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z 0x851A +#define GL_MAX_CUBE_MAP_TEXTURE_SIZE 0x851C + +/* TextureUnit */ +#define GL_TEXTURE0 0x84C0 +#define GL_TEXTURE1 0x84C1 +#define GL_TEXTURE2 0x84C2 +#define GL_TEXTURE3 0x84C3 +#define GL_TEXTURE4 0x84C4 +#define GL_TEXTURE5 0x84C5 +#define GL_TEXTURE6 0x84C6 +#define GL_TEXTURE7 0x84C7 +#define GL_TEXTURE8 0x84C8 +#define GL_TEXTURE9 0x84C9 +#define GL_TEXTURE10 0x84CA +#define GL_TEXTURE11 0x84CB +#define GL_TEXTURE12 0x84CC +#define GL_TEXTURE13 0x84CD +#define GL_TEXTURE14 0x84CE +#define GL_TEXTURE15 0x84CF +#define GL_TEXTURE16 0x84D0 +#define GL_TEXTURE17 0x84D1 +#define GL_TEXTURE18 0x84D2 +#define GL_TEXTURE19 0x84D3 +#define GL_TEXTURE20 0x84D4 +#define GL_TEXTURE21 0x84D5 +#define GL_TEXTURE22 0x84D6 +#define GL_TEXTURE23 0x84D7 +#define GL_TEXTURE24 0x84D8 +#define GL_TEXTURE25 0x84D9 +#define GL_TEXTURE26 0x84DA +#define GL_TEXTURE27 0x84DB +#define GL_TEXTURE28 0x84DC +#define GL_TEXTURE29 0x84DD +#define GL_TEXTURE30 0x84DE +#define GL_TEXTURE31 0x84DF +#define GL_ACTIVE_TEXTURE 0x84E0 + +/* TextureWrapMode */ +#define GL_REPEAT 0x2901 +#define GL_CLAMP_TO_EDGE 0x812F +#define GL_MIRRORED_REPEAT 0x8370 + +/* Uniform Types */ +#define GL_FLOAT_VEC2 0x8B50 +#define GL_FLOAT_VEC3 0x8B51 +#define GL_FLOAT_VEC4 0x8B52 +#define GL_INT_VEC2 0x8B53 +#define GL_INT_VEC3 0x8B54 +#define GL_INT_VEC4 0x8B55 +#define GL_BOOL 0x8B56 +#define GL_BOOL_VEC2 0x8B57 +#define GL_BOOL_VEC3 0x8B58 +#define GL_BOOL_VEC4 0x8B59 +#define GL_FLOAT_MAT2 0x8B5A +#define GL_FLOAT_MAT3 0x8B5B +#define GL_FLOAT_MAT4 0x8B5C +#define GL_SAMPLER_2D 0x8B5E +#define GL_SAMPLER_CUBE 0x8B60 + +/* Vertex Arrays */ +#define GL_VERTEX_ATTRIB_ARRAY_ENABLED 0x8622 +#define GL_VERTEX_ATTRIB_ARRAY_SIZE 0x8623 +#define GL_VERTEX_ATTRIB_ARRAY_STRIDE 0x8624 +#define GL_VERTEX_ATTRIB_ARRAY_TYPE 0x8625 +#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED 0x886A +#define GL_VERTEX_ATTRIB_ARRAY_POINTER 0x8645 +#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F + +/* Read Format */ +#define GL_IMPLEMENTATION_COLOR_READ_TYPE 0x8B9A +#define GL_IMPLEMENTATION_COLOR_READ_FORMAT 0x8B9B + +/* Shader Source */ +#define GL_COMPILE_STATUS 0x8B81 +#define GL_INFO_LOG_LENGTH 0x8B84 +#define GL_SHADER_SOURCE_LENGTH 0x8B88 +#define GL_SHADER_COMPILER 0x8DFA + +/* Shader Binary */ +#define GL_SHADER_BINARY_FORMATS 0x8DF8 +#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9 + +/* Shader Precision-Specified Types */ +#define GL_LOW_FLOAT 0x8DF0 +#define GL_MEDIUM_FLOAT 0x8DF1 +#define GL_HIGH_FLOAT 0x8DF2 +#define GL_LOW_INT 0x8DF3 +#define GL_MEDIUM_INT 0x8DF4 +#define GL_HIGH_INT 0x8DF5 + +/* Framebuffer Object. */ +#define GL_FRAMEBUFFER 0x8D40 +#define GL_RENDERBUFFER 0x8D41 + +#define GL_RGBA4 0x8056 +#define GL_RGB5_A1 0x8057 +#define GL_RGB565 0x8D62 +#define GL_DEPTH_COMPONENT16 0x81A5 +#define GL_STENCIL_INDEX8 0x8D48 + +#define GL_RENDERBUFFER_WIDTH 0x8D42 +#define GL_RENDERBUFFER_HEIGHT 0x8D43 +#define GL_RENDERBUFFER_INTERNAL_FORMAT 0x8D44 +#define GL_RENDERBUFFER_RED_SIZE 0x8D50 +#define GL_RENDERBUFFER_GREEN_SIZE 0x8D51 +#define GL_RENDERBUFFER_BLUE_SIZE 0x8D52 +#define GL_RENDERBUFFER_ALPHA_SIZE 0x8D53 +#define GL_RENDERBUFFER_DEPTH_SIZE 0x8D54 +#define GL_RENDERBUFFER_STENCIL_SIZE 0x8D55 + +#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE 0x8CD0 +#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME 0x8CD1 +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL 0x8CD2 +#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE 0x8CD3 + +#define GL_COLOR_ATTACHMENT0 0x8CE0 +#define GL_DEPTH_ATTACHMENT 0x8D00 +#define GL_STENCIL_ATTACHMENT 0x8D20 + +#define GL_NONE 0 + +#define GL_FRAMEBUFFER_COMPLETE 0x8CD5 +#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT 0x8CD6 +#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT 0x8CD7 +#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS 0x8CD9 +#define GL_FRAMEBUFFER_UNSUPPORTED 0x8CDD + +#define GL_FRAMEBUFFER_BINDING 0x8CA6 +#define GL_RENDERBUFFER_BINDING 0x8CA7 +#define GL_MAX_RENDERBUFFER_SIZE 0x84E8 + +#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506 + + +#ifdef __cplusplus +} +#endif + +#endif /* __COGL_GLES2_TYPES_H_ */ diff --git a/cogl/cogl-gles2.h b/cogl/cogl-gles2.h new file mode 100644 index 0000000..84c9ba1 --- /dev/null +++ b/cogl/cogl-gles2.h @@ -0,0 +1,420 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Collabora Ltd. + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Tomeu Vizoso + * Robert Bragg + * + */ + +#ifndef __COGL_GLES2_H__ +#define __COGL_GLES2_H__ + +/* NB: cogl-gles2.h is a top-level header that can be included directly + * but we want to be careful not to define __COGL_H_INSIDE__ when this + * is included internally while building Cogl itself since + * __COGL_H_INSIDE__ is used in headers to guard public vs private + * api definitions + */ +#ifndef COGL_COMPILATION + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* COGL_COMPILATION */ + +#include +#include +#include +#include +#include + +/* CoglGLES2Vtable depends on GLES 2.0 typedefs being available but we + * want to be careful that the public api doesn't expose arbitrary + * system GL headers as part of the Cogl API so although when building + * internally we consistently refer to the system headers to avoid + * conflicts we only expose the minimal set of GLES 2.0 types and enums + * publicly. + */ +#ifdef COGL_COMPILATION +#include "cogl-gl-header.h" +#else +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-gles2 + * @short_description: A portable api to access OpenGLES 2.0 + * + * Cogl provides portable access to the OpenGLES api through a single + * library that is able to smooth over inconsistencies between the + * different vendor drivers for OpenGLES in a single place. + * + * The api is designed to allow Cogl to transparently implement the + * api on top of other drivers, such as OpenGL, D3D or on Cogl's own + * drawing api so even if your platform doesn't come with an + * OpenGLES 2.0 api Cogl may still be able to expose the api to your + * application. + * + * Since Cogl is a library and not an api specification it is possible + * to add OpenGLES 2.0 api features to Cogl which can immidiately + * benefit developers regardless of what platform they are running on. + * + * With this api it's possible to re-use existing OpenGLES 2.0 code + * within applications that are rendering with the Cogl API and also + * it's possible for applications that render using OpenGLES 2.0 to + * incorporate content rendered with Cogl. + * + * Applications can check for OpenGLES 2.0 api support by checking for + * %COGL_FEATURE_ID_GLES2_CONTEXT support with cogl_has_feature(). + * + * Since: 1.12 + * Stability: unstable + */ + +/** + * CoglGLES2Context: + * + * Represents an OpenGLES 2.0 api context used as a sandbox for + * OpenGLES 2.0 state. This is comparable to an EGLContext for those + * who have used OpenGLES 2.0 with EGL before. + * + * Since: 1.12 + * Stability: unstable + */ +typedef struct _CoglGLES2Context CoglGLES2Context; + +/** + * CoglGLES2Vtable: + * + * Provides function pointers for the full OpenGLES 2.0 api. The + * api must be accessed this way and not by directly calling + * symbols of any system OpenGLES 2.0 api. + * + * Since: 1.12 + * Stability: unstable + */ +typedef struct _CoglGLES2Vtable CoglGLES2Vtable; + +struct _CoglGLES2Vtable +{ + /*< private >*/ +#define COGL_EXT_BEGIN(name, \ + min_gl_major, min_gl_minor, \ + gles_availability, \ + extension_suffixes, extension_names) + +#define COGL_EXT_FUNCTION(ret, name, args) \ + ret (* name) args; + +#define COGL_EXT_END() + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +#undef COGL_EXT_BEGIN +#undef COGL_EXT_FUNCTION +#undef COGL_EXT_END +}; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_gles2_context_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_gles2_context_get_gtype (void); +#endif + +uint32_t +_cogl_gles2_context_error_quark (void); + +/** + * COGL_GLES2_CONTEXT_ERROR: + * + * An error domain for runtime exceptions relating to the + * cogl_gles2_context api. + * + * Since: 2.0 + * Stability: unstable + */ +#define COGL_GLES2_CONTEXT_ERROR (_cogl_gles2_context_error_quark ()) + +/** + * CoglGLES2ContextError: + * @COGL_GLES2_CONTEXT_ERROR_UNSUPPORTED: Creating GLES2 contexts + * isn't supported. Applications should use cogl_has_feature() to + * check for the %COGL_FEATURE_ID_GLES2_CONTEXT. + * @COGL_GLES2_CONTEXT_ERROR_DRIVER: An underlying driver error + * occured. + * + * Error codes that relate to the cogl_gles2_context api. + */ +typedef enum { /*< prefix=COGL_GLES2_CONTEXT_ERROR >*/ + COGL_GLES2_CONTEXT_ERROR_UNSUPPORTED, + COGL_GLES2_CONTEXT_ERROR_DRIVER +} CoglGLES2ContextError; + +/** + * cogl_gles2_context_new: + * @ctx: A #CoglContext + * @error: A pointer to a #CoglError for returning exceptions + * + * Allocates a new OpenGLES 2.0 context that can be used to render to + * #CoglOffscreen framebuffers (Rendering to #CoglOnscreen + * framebuffers is not currently supported). + * + * To actually access the OpenGLES 2.0 api itself you need to use + * cogl_gles2_context_get_vtable(). You should not try to directly link + * to and use the symbols provided by the a system OpenGLES 2.0 + * driver. + * + * Once you have allocated an OpenGLES 2.0 context you can make it + * current using cogl_push_gles2_context(). For those familiar with + * using the EGL api, this serves a similar purpose to eglMakeCurrent. + * + * Before using this api applications can check for OpenGLES 2.0 + * api support by checking for %COGL_FEATURE_ID_GLES2_CONTEXT support + * with cogl_has_feature(). This function will return %FALSE and + * return an %COGL_GLES2_CONTEXT_ERROR_UNSUPPORTED error if the + * feature isn't available. + * + * Since: 2.0 + * Return value: A newly allocated #CoglGLES2Context or %NULL if there + * was an error and @error will be updated in that case. + * Stability: unstable + */ +CoglGLES2Context * +cogl_gles2_context_new (CoglContext *ctx, CoglError **error); + +/** + * cogl_gles2_context_get_vtable: + * @gles2_ctx: A #CoglGLES2Context allocated with + * cogl_gles2_context_new() + * + * Queries the OpenGLES 2.0 api function pointers that should be + * used for rendering with the given @gles2_ctx. + * + * You should not try to directly link to and use the symbols + * provided by any system OpenGLES 2.0 driver. + * + * Since: 2.0 + * Return value: A pointer to a #CoglGLES2Vtable providing pointers + * to functions for the full OpenGLES 2.0 api. + * Stability: unstable + */ +const CoglGLES2Vtable * +cogl_gles2_context_get_vtable (CoglGLES2Context *gles2_ctx); + +/** + * cogl_push_gles2_context: + * @ctx: A #CoglContext + * @gles2_ctx: A #CoglGLES2Context allocated with + * cogl_gles2_context_new() + * @read_buffer: A #CoglFramebuffer to access to read operations + * such as glReadPixels. (must be a #CoglOffscreen + * framebuffer currently) + * @write_buffer: A #CoglFramebuffer to access for drawing operations + * such as glDrawArrays. (must be a #CoglOffscreen + * framebuffer currently) + * @error: A pointer to a #CoglError for returning exceptions + * + * Pushes the given @gles2_ctx onto a stack associated with @ctx so + * that the OpenGLES 2.0 api can be used instead of the Cogl + * rendering apis to read and write to the specified framebuffers. + * + * Usage of the api available through a #CoglGLES2Vtable is only + * allowed between cogl_push_gles2_context() and + * cogl_pop_gles2_context() calls. + * + * If there is a runtime problem with switching over to the given + * @gles2_ctx then this function will return %FALSE and return + * an error through @error. + * + * Since: 2.0 + * Return value: %TRUE if operation was successfull or %FALSE + * otherwise and @error will be updated. + * Stability: unstable + */ +CoglBool +cogl_push_gles2_context (CoglContext *ctx, + CoglGLES2Context *gles2_ctx, + CoglFramebuffer *read_buffer, + CoglFramebuffer *write_buffer, + CoglError **error); + +/** + * cogl_pop_gles2_context: + * @ctx: A #CoglContext + * + * Restores the previously active #CoglGLES2Context if there + * were nested calls to cogl_push_gles2_context() or otherwise + * restores the ability to render with the Cogl api instead + * of OpenGLES 2.0. + * + * The behaviour is undefined if calls to cogl_pop_gles2_context() + * are not balenced with the number of corresponding calls to + * cogl_push_gles2_context(). + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_pop_gles2_context (CoglContext *ctx); + +/** + * cogl_gles2_get_current_vtable: + * + * Returns the OpenGL ES 2.0 api vtable for the currently pushed + * #CoglGLES2Context (last pushed with cogl_push_gles2_context()) or + * %NULL if no #CoglGLES2Context has been pushed. + * + * Return value: The #CoglGLES2Vtable for the currently pushed + * #CoglGLES2Context or %NULL if none has been pushed. + * Since: 2.0 + * Stability: unstable + */ +CoglGLES2Vtable * +cogl_gles2_get_current_vtable (void); + +/** + * cogl_gles2_texture_2d_new_from_handle: + * @ctx: A #CoglContext + * @gles2_ctx: A #CoglGLES2Context allocated with + * cogl_gles2_context_new() + * @handle: An OpenGL ES 2.0 texture handle created with + * glGenTextures() + * @width: Width of the texture to allocate + * @height: Height of the texture to allocate + * @format: The format of the texture + * + * Creates a #CoglTexture2D from an OpenGL ES 2.0 texture handle that + * was created within the given @gles2_ctx via glGenTextures(). The + * texture needs to have been associated with the GL_TEXTURE_2D target. + * + * This interface is only intended for sharing textures to read + * from. The behaviour is undefined if the texture is modified using + * the Cogl api. + * + * Applications should only pass this function handles that were + * created via a #CoglGLES2Vtable or via libcogl-gles2 and not pass + * handles created directly using the system's native libGLESv2 + * api. + * + * Since: 2.0 + * Stability: unstable + */ +CoglTexture2D * +cogl_gles2_texture_2d_new_from_handle (CoglContext *ctx, + CoglGLES2Context *gles2_ctx, + unsigned int handle, + int width, + int height, + CoglPixelFormat format); + +/** + * cogl_gles2_texture_get_handle: + * @texture: A #CoglTexture + * @handle: A return location for an OpenGL ES 2.0 texture handle + * @target: A return location for an OpenGL ES 2.0 texture target + * + * Gets an OpenGL ES 2.0 texture handle for a #CoglTexture that can + * then be referenced by a #CoglGLES2Context. As well as returning + * a texture handle the texture's target (such as GL_TEXTURE_2D) is + * also returned. + * + * If the #CoglTexture can not be shared with a #CoglGLES2Context then + * this function will return %FALSE. + * + * This api does not affect the lifetime of the CoglTexture and you + * must take care not to reference the returned handle after the + * original texture has been freed. + * + * This interface is only intended for sharing textures to read + * from. The behaviour is undefined if the texture is modified by a + * GLES2 context. + * + * This function will only return %TRUE for low-level + * #CoglTextures such as #CoglTexture2D or #CoglTexture3D but + * not for high level meta textures such as + * #CoglTexture2DSliced + * + * The handle returned should not be passed directly to a system + * OpenGL ES 2.0 library, the handle is only intended to be used via + * a #CoglGLES2Vtable or via libcogl-gles2. + * + * Return value: %TRUE if a handle and target could be returned + * otherwise %FALSE is returned. + * Since: 2.0 + * Stability: unstable + */ +CoglBool +cogl_gles2_texture_get_handle (CoglTexture *texture, + unsigned int *handle, + unsigned int *target); + +/** + * cogl_is_gles2_context: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a #CoglGLES2Context. + * + * Return value: %TRUE if the object references a #CoglGLES2Context + * and %FALSE otherwise. + * Since: 2.0 + * Stability: unstable + */ +CoglBool +cogl_is_gles2_context (void *object); + +COGL_END_DECLS + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_GLES2_H__ */ + diff --git a/cogl/cogl-glib-source.c b/cogl/cogl-glib-source.c new file mode 100644 index 0000000..fea2544 --- /dev/null +++ b/cogl/cogl-glib-source.c @@ -0,0 +1,195 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-glib-source.h" +#include "cogl-poll.h" + +typedef struct _CoglGLibSource +{ + GSource source; + + CoglRenderer *renderer; + + GArray *poll_fds; + int poll_fds_age; + + int64_t expiration_time; +} CoglGLibSource; + +static CoglBool +cogl_glib_source_prepare (GSource *source, int *timeout) +{ + CoglGLibSource *cogl_source = (CoglGLibSource *) source; + CoglPollFD *poll_fds; + int n_poll_fds; + int64_t cogl_timeout; + int age; + int i; + + age = cogl_poll_renderer_get_info (cogl_source->renderer, + &poll_fds, + &n_poll_fds, + &cogl_timeout); + + /* We have to be careful not to call g_source_add/remove_poll unless + * the FDs have changed because it will cause the main loop to + * immediately wake up. If we call it every time the source is + * prepared it will effectively never go idle. */ + if (age != cogl_source->poll_fds_age) + { + /* Remove any existing polls before adding the new ones */ + for (i = 0; i < cogl_source->poll_fds->len; i++) + { + GPollFD *poll_fd = &g_array_index (cogl_source->poll_fds, GPollFD, i); + g_source_remove_poll (source, poll_fd); + } + + g_array_set_size (cogl_source->poll_fds, n_poll_fds); + + for (i = 0; i < n_poll_fds; i++) + { + GPollFD *poll_fd = &g_array_index (cogl_source->poll_fds, GPollFD, i); + poll_fd->fd = poll_fds[i].fd; + g_source_add_poll (source, poll_fd); + } + } + + cogl_source->poll_fds_age = age; + + /* Update the events */ + for (i = 0; i < n_poll_fds; i++) + { + GPollFD *poll_fd = &g_array_index (cogl_source->poll_fds, GPollFD, i); + poll_fd->events = poll_fds[i].events; + poll_fd->revents = 0; + } + + if (cogl_timeout == -1) + { + *timeout = -1; + cogl_source->expiration_time = -1; + } + else + { + /* Round up to ensure that we don't try again too early */ + *timeout = (cogl_timeout + 999) / 1000; + cogl_source->expiration_time = (g_source_get_time (source) + + cogl_timeout); + } + + return *timeout == 0; +} + +static CoglBool +cogl_glib_source_check (GSource *source) +{ + CoglGLibSource *cogl_source = (CoglGLibSource *) source; + int i; + + if (cogl_source->expiration_time >= 0 && + g_source_get_time (source) >= cogl_source->expiration_time) + return TRUE; + + for (i = 0; i < cogl_source->poll_fds->len; i++) + { + GPollFD *poll_fd = &g_array_index (cogl_source->poll_fds, GPollFD, i); + if (poll_fd->revents != 0) + return TRUE; + } + + return FALSE; +} + +static CoglBool +cogl_glib_source_dispatch (GSource *source, + GSourceFunc callback, + void *user_data) +{ + CoglGLibSource *cogl_source = (CoglGLibSource *) source; + CoglPollFD *poll_fds = + (CoglPollFD *) &g_array_index (cogl_source->poll_fds, GPollFD, 0); + + cogl_poll_renderer_dispatch (cogl_source->renderer, + poll_fds, + cogl_source->poll_fds->len); + + return TRUE; +} + +static void +cogl_glib_source_finalize (GSource *source) +{ + CoglGLibSource *cogl_source = (CoglGLibSource *) source; + + g_array_free (cogl_source->poll_fds, TRUE); +} + +static GSourceFuncs +cogl_glib_source_funcs = + { + cogl_glib_source_prepare, + cogl_glib_source_check, + cogl_glib_source_dispatch, + cogl_glib_source_finalize + }; + +GSource * +cogl_glib_renderer_source_new (CoglRenderer *renderer, + int priority) +{ + GSource *source; + CoglGLibSource *cogl_source; + + source = g_source_new (&cogl_glib_source_funcs, + sizeof (CoglGLibSource)); + cogl_source = (CoglGLibSource *) source; + + cogl_source->renderer = renderer; + cogl_source->poll_fds = g_array_new (FALSE, FALSE, sizeof (GPollFD)); + + if (priority != G_PRIORITY_DEFAULT) + g_source_set_priority (source, priority); + + return source; +} + +GSource * +cogl_glib_source_new (CoglContext *context, + int priority) +{ + return cogl_glib_renderer_source_new (cogl_context_get_renderer (context), + priority); +} + + diff --git a/cogl/cogl-glib-source.h b/cogl/cogl-glib-source.h new file mode 100644 index 0000000..ddb7f99 --- /dev/null +++ b/cogl/cogl-glib-source.h @@ -0,0 +1,97 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_GSOURCE_H__ +#define __COGL_GSOURCE_H__ + +#include +#include + +G_BEGIN_DECLS + +/** + * cogl_glib_source_new: + * @context: A #CoglContext + * @priority: The priority of the #GSource + * + * Creates a #GSource which handles Cogl's internal system event + * processing. This can be used as a convenience instead of + * cogl_poll_renderer_get_info() and cogl_poll_renderer_dispatch() in + * applications that are already using the GLib main loop. After this + * is called the #GSource should be attached to the main loop using + * g_source_attach(). + * + * Applications that manually connect to a #CoglRenderer before they + * create a #CoglContext should instead use + * cogl_glib_renderer_source_new() so that events may be dispatched + * before a context has been created. In that case you don't need to + * use this api in addition later, it is simply enough to use + * cogl_glib_renderer_source_new() instead. + * + * This api is actually just a thin convenience wrapper around + * cogl_glib_renderer_source_new() + * + * Return value: a new #GSource + * + * Stability: unstable + * Since: 1.10 + */ +GSource * +cogl_glib_source_new (CoglContext *context, + int priority); + +/** + * cogl_glib_renderer_source_new: + * @renderer: A #CoglRenderer + * @priority: The priority of the #GSource + * + * Creates a #GSource which handles Cogl's internal system event + * processing. This can be used as a convenience instead of + * cogl_poll_renderer_get_info() and cogl_poll_renderer_dispatch() in + * applications that are already using the GLib main loop. After this + * is called the #GSource should be attached to the main loop using + * g_source_attach(). + * + * Return value: a new #GSource + * + * Stability: unstable + * Since: 1.16 + */ +GSource * +cogl_glib_renderer_source_new (CoglRenderer *renderer, + int priority); + +G_END_DECLS + +#endif /* __COGL_GSOURCE_H__ */ diff --git a/cogl/cogl-glsl-shader-boilerplate.h b/cogl/cogl-glsl-shader-boilerplate.h new file mode 100644 index 0000000..6d882da --- /dev/null +++ b/cogl/cogl-glsl-shader-boilerplate.h @@ -0,0 +1,86 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_SHADER_BOILERPLATE_H +#define __COGL_SHADER_BOILERPLATE_H + +#define _COGL_COMMON_SHADER_BOILERPLATE \ + "#define COGL_VERSION 100\n" \ + "\n" \ + "uniform mat4 cogl_modelview_matrix;\n" \ + "uniform mat4 cogl_modelview_projection_matrix;\n" \ + "uniform mat4 cogl_projection_matrix;\n" + +/* This declares all of the variables that we might need. This is + * working on the assumption that the compiler will optimise them out + * if they are not actually used. The GLSL spec at least implies that + * this will happen for varyings but it doesn't explicitly so for + * attributes */ +#define _COGL_VERTEX_SHADER_BOILERPLATE \ + _COGL_COMMON_SHADER_BOILERPLATE \ + "#define cogl_color_out _cogl_color\n" \ + "varying vec4 _cogl_color;\n" \ + "#define cogl_tex_coord_out _cogl_tex_coord\n" \ + "#define cogl_position_out gl_Position\n" \ + "#define cogl_point_size_out gl_PointSize\n" \ + "\n" \ + "attribute vec4 cogl_color_in;\n" \ + "attribute vec4 cogl_position_in;\n" \ + "#define cogl_tex_coord_in cogl_tex_coord0_in;\n" \ + "attribute vec3 cogl_normal_in;\n" + +#define _COGL_FRAGMENT_SHADER_BOILERPLATE \ + "#ifdef GL_ES\n" \ + "precision highp float;\n" \ + "#endif\n" \ + _COGL_COMMON_SHADER_BOILERPLATE \ + "\n" \ + "varying vec4 _cogl_color;\n" \ + "\n" \ + "#define cogl_color_in _cogl_color\n" \ + "#define cogl_tex_coord_in _cogl_tex_coord\n" \ + "\n" \ + "#define cogl_color_out gl_FragColor\n" \ + "#define cogl_depth_out gl_FragDepth\n" \ + "\n" \ + "#define cogl_front_facing gl_FrontFacing\n" \ + "\n" \ + "#define cogl_point_coord gl_PointCoord\n" +#if 0 + /* GLSL 1.2 has a bottom left origin, though later versions + * allow use of an origin_upper_left keyword which would be + * more appropriate for Cogl. */ + "#define coglFragCoord gl_FragCoord\n" +#endif + +#endif /* __COGL_SHADER_BOILERPLATE_H */ + diff --git a/cogl/cogl-glsl-shader-private.h b/cogl/cogl-glsl-shader-private.h new file mode 100644 index 0000000..9899c12 --- /dev/null +++ b/cogl/cogl-glsl-shader-private.h @@ -0,0 +1,41 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _COGL_GLSL_SHADER_PRIVATE_H_ +#define _COGL_GLSL_SHADER_PRIVATE_H_ + +void +_cogl_glsl_shader_set_source_with_boilerplate (CoglContext *ctx, + GLuint shader_gl_handle, + GLenum shader_gl_type, + CoglPipeline *pipeline, + GLsizei count_in, + const char **strings_in, + const GLint *lengths_in); + +#endif /* _COGL_GLSL_SHADER_PRIVATE_H_ */ diff --git a/cogl/cogl-glsl-shader.c b/cogl/cogl-glsl-shader.c new file mode 100644 index 0000000..196e0c7 --- /dev/null +++ b/cogl/cogl-glsl-shader.c @@ -0,0 +1,192 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-glsl-shader-private.h" +#include "cogl-glsl-shader-boilerplate.h" + +#include + +#include + +static CoglBool +add_layer_vertex_boilerplate_cb (CoglPipelineLayer *layer, + void *user_data) +{ + GString *layer_declarations = user_data; + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + g_string_append_printf (layer_declarations, + "attribute vec4 cogl_tex_coord%d_in;\n" + "#define cogl_texture_matrix%i cogl_texture_matrix[%i]\n" + "#define cogl_tex_coord%i_out _cogl_tex_coord[%i]\n", + layer->index, + layer->index, + unit_index, + layer->index, + unit_index); + return TRUE; +} + +static CoglBool +add_layer_fragment_boilerplate_cb (CoglPipelineLayer *layer, + void *user_data) +{ + GString *layer_declarations = user_data; + g_string_append_printf (layer_declarations, + "#define cogl_tex_coord%i_in _cogl_tex_coord[%i]\n", + layer->index, + _cogl_pipeline_layer_get_unit_index (layer)); + return TRUE; +} + +void +_cogl_glsl_shader_set_source_with_boilerplate (CoglContext *ctx, + GLuint shader_gl_handle, + GLenum shader_gl_type, + CoglPipeline *pipeline, + GLsizei count_in, + const char **strings_in, + const GLint *lengths_in) +{ + const char *vertex_boilerplate; + const char *fragment_boilerplate; + + const char **strings = g_alloca (sizeof (char *) * (count_in + 4)); + GLint *lengths = g_alloca (sizeof (GLint) * (count_in + 4)); + char *version_string; + int count = 0; + + int n_layers; + + vertex_boilerplate = _COGL_VERTEX_SHADER_BOILERPLATE; + fragment_boilerplate = _COGL_FRAGMENT_SHADER_BOILERPLATE; + + version_string = g_strdup_printf ("#version %i\n\n", + ctx->glsl_version_to_use); + strings[count] = version_string; + lengths[count++] = -1; + + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_EMBEDDED) && + cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_3D)) + { + static const char texture_3d_extension[] = + "#extension GL_OES_texture_3D : enable\n"; + strings[count] = texture_3d_extension; + lengths[count++] = sizeof (texture_3d_extension) - 1; + } + + if (shader_gl_type == GL_VERTEX_SHADER) + { + strings[count] = vertex_boilerplate; + lengths[count++] = strlen (vertex_boilerplate); + } + else if (shader_gl_type == GL_FRAGMENT_SHADER) + { + strings[count] = fragment_boilerplate; + lengths[count++] = strlen (fragment_boilerplate); + } + + n_layers = cogl_pipeline_get_n_layers (pipeline); + if (n_layers) + { + GString *layer_declarations = ctx->codegen_boilerplate_buffer; + g_string_set_size (layer_declarations, 0); + + g_string_append_printf (layer_declarations, + "varying vec4 _cogl_tex_coord[%d];\n", + n_layers); + + if (shader_gl_type == GL_VERTEX_SHADER) + { + g_string_append_printf (layer_declarations, + "uniform mat4 cogl_texture_matrix[%d];\n", + n_layers); + + _cogl_pipeline_foreach_layer_internal (pipeline, + add_layer_vertex_boilerplate_cb, + layer_declarations); + } + else if (shader_gl_type == GL_FRAGMENT_SHADER) + { + _cogl_pipeline_foreach_layer_internal (pipeline, + add_layer_fragment_boilerplate_cb, + layer_declarations); + } + + strings[count] = layer_declarations->str; + lengths[count++] = -1; /* null terminated */ + } + + memcpy (strings + count, strings_in, sizeof (char *) * count_in); + if (lengths_in) + memcpy (lengths + count, lengths_in, sizeof (GLint) * count_in); + else + { + int i; + + for (i = 0; i < count_in; i++) + lengths[count + i] = -1; /* null terminated */ + } + count += count_in; + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_SHOW_SOURCE))) + { + GString *buf = g_string_new (NULL); + int i; + + g_string_append_printf (buf, + "%s shader:\n", + shader_gl_type == GL_VERTEX_SHADER ? + "vertex" : "fragment"); + for (i = 0; i < count; i++) + if (lengths[i] != -1) + g_string_append_len (buf, strings[i], lengths[i]); + else + g_string_append (buf, strings[i]); + + g_message ("%s", buf->str); + + g_string_free (buf, TRUE); + } + + GE( ctx, glShaderSource (shader_gl_handle, count, + (const char **) strings, lengths) ); + + g_free (version_string); +} diff --git a/cogl/cogl-glx-display-private.h b/cogl/cogl-glx-display-private.h new file mode 100644 index 0000000..20b7e67 --- /dev/null +++ b/cogl/cogl-glx-display-private.h @@ -0,0 +1,61 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_DISPLAY_GLX_PRIVATE_H +#define __COGL_DISPLAY_GLX_PRIVATE_H + +#include "cogl-object-private.h" + +typedef struct _CoglGLXCachedConfig +{ + /* This will be -1 if there is no cached config in this slot */ + int depth; + CoglBool found; + GLXFBConfig fb_config; + CoglBool can_mipmap; +} CoglGLXCachedConfig; + +#define COGL_GLX_N_CACHED_CONFIGS 3 + +typedef struct _CoglGLXDisplay +{ + CoglGLXCachedConfig glx_cached_configs[COGL_GLX_N_CACHED_CONFIGS]; + + CoglBool found_fbconfig; + CoglBool fbconfig_has_rgba_visual; + GLXFBConfig fbconfig; + + /* Single context for all wins */ + GLXContext glx_context; + GLXWindow dummy_glxwin; + Window dummy_xwin; +} CoglGLXDisplay; + +#endif /* __COGL_DISPLAY_GLX_PRIVATE_H */ diff --git a/cogl/cogl-glx-renderer-private.h b/cogl/cogl-glx-renderer-private.h new file mode 100644 index 0000000..cb8ff97 --- /dev/null +++ b/cogl/cogl-glx-renderer-private.h @@ -0,0 +1,108 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_RENDERER_GLX_PRIVATE_H +#define __COGL_RENDERER_GLX_PRIVATE_H + +#include +#include "cogl-object-private.h" +#include "cogl-xlib-renderer-private.h" + +typedef struct _CoglGLXRenderer +{ + int glx_major; + int glx_minor; + + int glx_error_base; + int glx_event_base; + + CoglBool is_direct; + + /* Vblank stuff */ + int dri_fd; + + /* enumeration with relatioship between OML_sync_control + * UST (unadjusted-system-time) and the system clock */ + enum { + COGL_GLX_UST_IS_UNKNOWN, + COGL_GLX_UST_IS_GETTIMEOFDAY, + COGL_GLX_UST_IS_MONOTONIC_TIME, + COGL_GLX_UST_IS_OTHER + } ust_type; + + /* GModule pointing to libGL which we use to get glX functions out of */ + GModule *libgl_module; + + CoglClosure *flush_notifications_idle; + + /* Copy of the winsys features that are based purely on the + * information we can get without using a GL context. We want to + * determine this before we have a context so that we can use the + * function pointers from the extensions earlier. This is necessary + * to use the glXCreateContextAttribs function. */ + unsigned long base_winsys_features + [COGL_FLAGS_N_LONGS_FOR_SIZE (COGL_WINSYS_FEATURE_N_FEATURES)]; + + CoglFeatureFlags legacy_feature_flags; + + /* Function pointers for core GLX functionality. We can't just link + against these directly because we need to conditionally load + libGL when we are using GLX so that it won't conflict with a GLES + library if we are using EGL + GLES. These are just the functions + that we want to use before calling glXGetProcAddress */ + Bool + (* glXQueryExtension) (Display *dpy, int *errorb, int *event); + const char * + (* glXQueryExtensionsString) (Display *dpy, int screen); + Bool + (* glXQueryVersion) (Display *dpy, int *maj, int *min); + void * + (* glXGetProcAddress) (const GLubyte *procName); + + int + (* glXQueryDrawable) (Display *dpy, GLXDrawable drawable, + int attribute, unsigned int *value); + + /* Function pointers for GLX specific extensions */ +#define COGL_WINSYS_FEATURE_BEGIN(a, b, c, d, e, f, g) + +#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) \ + ret (APIENTRY * name) args; + +#define COGL_WINSYS_FEATURE_END() + +#include "cogl-winsys-glx-feature-functions.h" + +#undef COGL_WINSYS_FEATURE_BEGIN +#undef COGL_WINSYS_FEATURE_FUNCTION +#undef COGL_WINSYS_FEATURE_END +} CoglGLXRenderer; + +#endif /* __COGL_RENDERER_GLX_PRIVATE_H */ diff --git a/cogl/cogl-glx.h b/cogl/cogl-glx.h new file mode 100644 index 0000000..15918bb --- /dev/null +++ b/cogl/cogl-glx.h @@ -0,0 +1,95 @@ +/* + * Cogl + * + * A Low-Level GPU Graphics and Utilities API + * + * Copyright (C) 2014 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_GLX_H__ +#define __COGL_GLX_H__ + +/* NB: this is a top-level header that can be included directly but we + * want to be careful not to define __COGL_H_INSIDE__ when this is + * included internally while building Cogl itself since + * __COGL_H_INSIDE__ is used in headers to guard public vs private api + * definitions + */ +#ifndef COGL_COMPILATION + +/* Note: When building Cogl .gir we explicitly define + * __COGL_GLX_H_INSIDE__ */ +#ifndef __COGL_GLX_H_INSIDE__ +#define __COGL_GLX_H_INSIDE__ +#endif + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* COGL_COMPILATION */ + + +#include +#include + +COGL_BEGIN_DECLS + +/** + * cogl_glx_context_get_glx_context: + * @context: A #CoglContext pointer + * + * If you have done a runtime check to determine that Cogl is using + * GLX internally then this API can be used to retrieve the GLXContext + * handle that was setup internally. The result is undefined if Cogl + * is not using GLX. + * + * Return value: The internally setup GLXContext handle. + * Since: 1.18 + * Stability: unstable + */ +GLXContext +cogl_glx_context_get_glx_context (CoglContext *context); + +COGL_END_DECLS + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_GLX_H_INSIDE__ +#undef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_GLX_H__ */ diff --git a/cogl/cogl-gpu-info-private.h b/cogl/cogl-gpu-info-private.h new file mode 100644 index 0000000..e532cdd --- /dev/null +++ b/cogl/cogl-gpu-info-private.h @@ -0,0 +1,117 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_GPU_INFO_PRIVATE_H +#define __COGL_GPU_INFO_PRIVATE_H + +#include "cogl-context.h" + +typedef enum _CoglGpuInfoArchitectureFlag +{ + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE, + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED, + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_SOFTWARE, + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE, + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_DEFERRED, + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_SOFTWARE +} CoglGpuInfoArchitectureFlag; + +typedef enum _CoglGpuInfoArchitecture +{ + COGL_GPU_INFO_ARCHITECTURE_UNKNOWN, + COGL_GPU_INFO_ARCHITECTURE_SANDYBRIDGE, + COGL_GPU_INFO_ARCHITECTURE_SGX, + COGL_GPU_INFO_ARCHITECTURE_MALI, + COGL_GPU_INFO_ARCHITECTURE_LLVMPIPE, + COGL_GPU_INFO_ARCHITECTURE_SOFTPIPE, + COGL_GPU_INFO_ARCHITECTURE_SWRAST +} CoglGpuInfoArchitecture; + +typedef enum +{ + COGL_GPU_INFO_VENDOR_UNKNOWN, + COGL_GPU_INFO_VENDOR_INTEL, + COGL_GPU_INFO_VENDOR_IMAGINATION_TECHNOLOGIES, + COGL_GPU_INFO_VENDOR_ARM, + COGL_GPU_INFO_VENDOR_QUALCOMM, + COGL_GPU_INFO_VENDOR_NVIDIA, + COGL_GPU_INFO_VENDOR_ATI, + COGL_GPU_INFO_VENDOR_MESA +} CoglGpuInfoVendor; + +typedef enum +{ + COGL_GPU_INFO_DRIVER_PACKAGE_UNKNOWN, + COGL_GPU_INFO_DRIVER_PACKAGE_MESA +} CoglGpuInfoDriverPackage; + +typedef enum +{ + /* If this bug is present then it is faster to read pixels into a + * PBO and then memcpy out of the PBO into system memory rather than + * directly read into system memory. + * https://bugs.freedesktop.org/show_bug.cgi?id=46631 + */ + COGL_GPU_INFO_DRIVER_BUG_MESA_46631_SLOW_READ_PIXELS = 1 << 0 +} CoglGpuInfoDriverBug; + +typedef struct _CoglGpuInfoVersion CoglGpuInfoVersion; + +typedef struct _CoglGpuInfo CoglGpuInfo; + +struct _CoglGpuInfo +{ + CoglGpuInfoVendor vendor; + const char *vendor_name; + + CoglGpuInfoDriverPackage driver_package; + const char *driver_package_name; + int driver_package_version; + + CoglGpuInfoArchitecture architecture; + const char *architecture_name; + CoglGpuInfoArchitectureFlag architecture_flags; + + CoglGpuInfoDriverBug driver_bugs; +}; + +/* + * _cogl_gpu_info_init: + * @ctx: A #CoglContext + * @gpu: A return location for the GPU information + * + * Determines information about the GPU and driver from the given + * context. + */ +void +_cogl_gpu_info_init (CoglContext *ctx, + CoglGpuInfo *gpu); + +#endif /* __COGL_GPU_INFO_PRIVATE_H */ diff --git a/cogl/cogl-gpu-info.c b/cogl/cogl-gpu-info.c new file mode 100644 index 0000000..54dfe18 --- /dev/null +++ b/cogl/cogl-gpu-info.c @@ -0,0 +1,581 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include + +#include "cogl-gpu-info-private.h" +#include "cogl-context-private.h" +#include "cogl-version.h" + +typedef struct +{ + const char *renderer_string; + const char *version_string; + const char *vendor_string; +} CoglGpuInfoStrings; + +typedef struct CoglGpuInfoArchitectureDescription +{ + CoglGpuInfoArchitecture architecture; + const char *name; + CoglGpuInfoArchitectureFlag flags; + CoglBool (* check_function) (const CoglGpuInfoStrings *strings); + +} CoglGpuInfoArchitectureDescription; + +typedef struct +{ + CoglGpuInfoVendor vendor; + const char *name; + CoglBool (* check_function) (const CoglGpuInfoStrings *strings); + const CoglGpuInfoArchitectureDescription *architectures; + +} CoglGpuInfoVendorDescription; + +typedef struct +{ + CoglGpuInfoDriverPackage driver_package; + const char *name; + CoglBool (* check_function) (const CoglGpuInfoStrings *strings, + int *version_out); +} CoglGpuInfoDriverPackageDescription; + +static CoglBool +_cogl_gpu_info_parse_version_string (const char *version_string, + int n_components, + const char **tail, + int *version_ret) +{ + int version = 0; + uint64_t part; + int i; + + for (i = 0; ; i++) + { + errno = 0; + part = g_ascii_strtoull (version_string, + (char **) &version_string, + 10); + + if (errno || part > COGL_VERSION_MAX_COMPONENT_VALUE) + return FALSE; + + version |= part << ((2 - i) * COGL_VERSION_COMPONENT_BITS); + + if (i + 1 >= n_components) + break; + + if (*version_string != '.') + return FALSE; + + version_string++; + } + + if (version_ret) + *version_ret = version; + if (tail) + *tail = version_string; + + return TRUE; +} + +static CoglBool +match_phrase (const char *string, const char *phrase) +{ + const char *part = strstr (string, phrase); + int len; + + if (part == NULL) + return FALSE; + + /* The match must either be at the beginning of the string or + preceded by a space. */ + if (part > string && part[-1] != ' ') + return FALSE; + + /* Also match must either be at end of string or followed by a + * space. */ + len = strlen (phrase); + if (part[len] != '\0' && part[len] != ' ') + return FALSE; + + return TRUE; +} + +static CoglBool +check_intel_vendor (const CoglGpuInfoStrings *strings) +{ + return match_phrase (strings->renderer_string, "Intel(R)"); +} + +static CoglBool +check_imagination_technologies_vendor (const CoglGpuInfoStrings *strings) +{ + if (strcmp (strings->vendor_string, "Imagination Technologies") != 0) + return FALSE; + return TRUE; +} + +static CoglBool +check_arm_vendor (const CoglGpuInfoStrings *strings) +{ + if (strcmp (strings->vendor_string, "ARM") != 0) + return FALSE; + return TRUE; +} + +static CoglBool +check_qualcomm_vendor (const CoglGpuInfoStrings *strings) +{ + if (strcmp (strings->vendor_string, "Qualcomm") != 0) + return FALSE; + return TRUE; +} + +static CoglBool +check_nvidia_vendor (const CoglGpuInfoStrings *strings) +{ + if (strcmp (strings->vendor_string, "NVIDIA") != 0) + return FALSE; + + return TRUE; +} + +static CoglBool +check_ati_vendor (const CoglGpuInfoStrings *strings) +{ + if (strcmp (strings->vendor_string, "ATI") != 0) + return FALSE; + + return TRUE; +} + +static CoglBool +check_mesa_vendor (const CoglGpuInfoStrings *strings) +{ + if (strcmp (strings->vendor_string, "Tungsten Graphics, Inc") == 0) + return TRUE; + else if (strcmp (strings->vendor_string, "VMware, Inc.") == 0) + return TRUE; + else if (strcmp (strings->vendor_string, "Mesa Project") == 0) + return TRUE; + + return FALSE; +} + +static CoglBool +check_true (const CoglGpuInfoStrings *strings) +{ + /* This is a last resort so it always matches */ + return TRUE; +} + +static CoglBool +check_sandybridge_architecture (const CoglGpuInfoStrings *strings) +{ + return match_phrase (strings->renderer_string, "Sandybridge"); +} + +static CoglBool +check_llvmpipe_architecture (const CoglGpuInfoStrings *strings) +{ + return match_phrase (strings->renderer_string, "llvmpipe"); +} + +static CoglBool +check_softpipe_architecture (const CoglGpuInfoStrings *strings) +{ + return match_phrase (strings->renderer_string, "softpipe"); +} + +static CoglBool +check_swrast_architecture (const CoglGpuInfoStrings *strings) +{ + return match_phrase (strings->renderer_string, "software rasterizer") || + match_phrase (strings->renderer_string, "Software Rasterizer"); +} + +static CoglBool +check_sgx_architecture (const CoglGpuInfoStrings *strings) +{ + if (strncmp (strings->renderer_string, "PowerVR SGX", 12) != 0) + return FALSE; + + return TRUE; +} + +static CoglBool +check_mali_architecture (const CoglGpuInfoStrings *strings) +{ + if (strncmp (strings->renderer_string, "Mali-", 5) != 0) + return FALSE; + + return TRUE; +} + +static const CoglGpuInfoArchitectureDescription +intel_architectures[] = + { + { + COGL_GPU_INFO_ARCHITECTURE_SANDYBRIDGE, + "Sandybridge", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE, + check_sandybridge_architecture + }, + { + COGL_GPU_INFO_ARCHITECTURE_UNKNOWN, + "Unknown", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE, + check_true + } + }; + +static const CoglGpuInfoArchitectureDescription +powervr_architectures[] = + { + { + COGL_GPU_INFO_ARCHITECTURE_SGX, + "SGX", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_DEFERRED, + check_sgx_architecture + }, + { + COGL_GPU_INFO_ARCHITECTURE_UNKNOWN, + "Unknown", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED | + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED, + check_true + } + }; + +static const CoglGpuInfoArchitectureDescription +arm_architectures[] = + { + { + COGL_GPU_INFO_ARCHITECTURE_MALI, + "Mali", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE, + check_mali_architecture + }, + { + COGL_GPU_INFO_ARCHITECTURE_UNKNOWN, + "Unknown", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE, + check_true + } + }; + +static const CoglGpuInfoArchitectureDescription +mesa_architectures[] = + { + { + COGL_GPU_INFO_ARCHITECTURE_LLVMPIPE, + "LLVM Pipe", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_SOFTWARE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_SOFTWARE, + check_llvmpipe_architecture + }, + { + COGL_GPU_INFO_ARCHITECTURE_SOFTPIPE, + "Softpipe", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_SOFTWARE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_SOFTWARE, + check_softpipe_architecture + }, + { + COGL_GPU_INFO_ARCHITECTURE_SWRAST, + "SWRast", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_SOFTWARE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_SOFTWARE, + check_swrast_architecture + }, + { + COGL_GPU_INFO_ARCHITECTURE_UNKNOWN, + "Unknown", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE, + check_true + } + }; + +static const CoglGpuInfoArchitectureDescription +unknown_architectures[] = + { + { + COGL_GPU_INFO_ARCHITECTURE_UNKNOWN, + "Unknown", + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE | + COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE, + check_true + } + }; + +static const CoglGpuInfoVendorDescription +_cogl_gpu_info_vendors[] = + { + { + COGL_GPU_INFO_VENDOR_INTEL, + "Intel", + check_intel_vendor, + intel_architectures + }, + { + COGL_GPU_INFO_VENDOR_IMAGINATION_TECHNOLOGIES, + "Imagination Technologies", + check_imagination_technologies_vendor, + powervr_architectures + }, + { + COGL_GPU_INFO_VENDOR_ARM, + "ARM", + check_arm_vendor, + arm_architectures + }, + { + COGL_GPU_INFO_VENDOR_QUALCOMM, + "Qualcomm", + check_qualcomm_vendor, + unknown_architectures + }, + { + COGL_GPU_INFO_VENDOR_NVIDIA, + "Nvidia", + check_nvidia_vendor, + unknown_architectures + }, + { + COGL_GPU_INFO_VENDOR_ATI, + "ATI", + check_ati_vendor, + unknown_architectures + }, + /* Must be last */ + { + COGL_GPU_INFO_VENDOR_MESA, + "Mesa", + check_mesa_vendor, + mesa_architectures + }, + { + COGL_GPU_INFO_VENDOR_UNKNOWN, + "Unknown", + check_true, + unknown_architectures + } + }; + +static CoglBool +check_mesa_driver_package (const CoglGpuInfoStrings *strings, + int *version_ret) +{ + uint64_t micro_part; + const char *v; + + /* The version string should always begin a two-part GL version + number */ + if (!_cogl_gpu_info_parse_version_string (strings->version_string, + 2, /* n_components */ + &v, /* tail */ + NULL /* version_ret */)) + return FALSE; + + /* In mesa this will be followed optionally by "(Core Profile)" and + * then "Mesa" */ + v = strstr (v, " Mesa "); + if (!v) + return FALSE; + + v += 6; + + /* Next there will be a version string that is at least two + components. On a git devel build the version will be something + like "-devel" instead */ + if (!_cogl_gpu_info_parse_version_string (v, + 2, /* n_components */ + &v, /* tail */ + version_ret)) + return FALSE; + + /* If it is a development build then we'll just leave the micro + number as 0 */ + if (g_str_has_prefix (v, "-devel")) + return TRUE; + + /* Otherwise there should be a micro version number */ + if (*v != '.') + return FALSE; + + errno = 0; + micro_part = g_ascii_strtoull (v + 1, NULL /* endptr */, 10 /* base */); + if (errno || micro_part > COGL_VERSION_MAX_COMPONENT_VALUE) + return FALSE; + + *version_ret = COGL_VERSION_ENCODE (COGL_VERSION_GET_MAJOR (*version_ret), + COGL_VERSION_GET_MINOR (*version_ret), + micro_part); + + return TRUE; +} + +UNIT_TEST (check_mesa_driver_package_parser, + 0, /* no requirements */ + 0 /* no failure cases */) +{ + /* renderer_string, version_string, vendor_string;*/ + const CoglGpuInfoStrings test_strings[2] = { + { NULL, "3.1 Mesa 9.2-devel15436ad", NULL }, + { NULL, "3.1 (Core Profile) Mesa 9.2.0-devel (git-15436ad)", NULL } + }; + int i; + int version; + + for (i = 0; i < G_N_ELEMENTS (test_strings); i++) + { + g_assert (check_mesa_driver_package (&test_strings[i], &version)); + g_assert_cmpint (version, ==, COGL_VERSION_ENCODE (9, 2, 0)); + } +} + +static CoglBool +check_unknown_driver_package (const CoglGpuInfoStrings *strings, + int *version_out) +{ + *version_out = 0; + + /* This is a last resort so it always matches */ + return TRUE; +} + +static const CoglGpuInfoDriverPackageDescription +_cogl_gpu_info_driver_packages[] = + { + { + COGL_GPU_INFO_DRIVER_PACKAGE_MESA, + "Mesa", + check_mesa_driver_package + }, + /* Must be last */ + { + COGL_GPU_INFO_DRIVER_PACKAGE_UNKNOWN, + "Unknown", + check_unknown_driver_package + } + }; + +void +_cogl_gpu_info_init (CoglContext *ctx, + CoglGpuInfo *gpu) +{ + CoglGpuInfoStrings strings; + int i; + + strings.renderer_string = (const char *) ctx->glGetString (GL_RENDERER); + strings.version_string = _cogl_context_get_gl_version (ctx); + strings.vendor_string = (const char *) ctx->glGetString (GL_VENDOR); + + /* Determine the driver package */ + for (i = 0; ; i++) + { + const CoglGpuInfoDriverPackageDescription *description = + _cogl_gpu_info_driver_packages + i; + + if (description->check_function (&strings, &gpu->driver_package_version)) + { + gpu->driver_package = description->driver_package; + gpu->driver_package_name = description->name; + break; + } + } + + /* Determine the GPU vendor */ + for (i = 0; ; i++) + { + const CoglGpuInfoVendorDescription *description = + _cogl_gpu_info_vendors + i; + + if (description->check_function (&strings)) + { + int j; + + gpu->vendor = description->vendor; + gpu->vendor_name = description->name; + + for (j = 0; ; j++) + { + const CoglGpuInfoArchitectureDescription *architecture = + description->architectures + j; + + if (architecture->check_function (&strings)) + { + gpu->architecture = architecture->architecture; + gpu->architecture_name = architecture->name; + gpu->architecture_flags = architecture->flags; + goto probed; + } + } + } + } + +probed: + + COGL_NOTE (WINSYS, "Driver package = %s, vendor = %s, architecture = %s\n", + gpu->driver_package_name, + gpu->vendor_name, + gpu->architecture_name); + + /* Determine the driver bugs */ + + /* In Mesa the glReadPixels implementation is really slow + when using the Intel driver. The Intel + driver has a fast blit path when reading into a PBO. Reading into + a temporary PBO and then memcpying back out to the application's + memory is faster than a regular glReadPixels in this case */ + if (gpu->vendor == COGL_GPU_INFO_VENDOR_INTEL && + gpu->driver_package == COGL_GPU_INFO_DRIVER_PACKAGE_MESA) + gpu->driver_bugs |= COGL_GPU_INFO_DRIVER_BUG_MESA_46631_SLOW_READ_PIXELS; +} diff --git a/cogl/cogl-gtype-private.h b/cogl/cogl-gtype-private.h new file mode 100644 index 0000000..8498385 --- /dev/null +++ b/cogl/cogl-gtype-private.h @@ -0,0 +1,278 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_GTYPE_PRIVATE_H__ +#define __COGL_GTYPE_PRIVATE_H__ + +#include "config.h" + +#include +#include + +#include "cogl-object-private.h" + +/* Move this to public headers? */ +typedef struct _CoglGtypeObject CoglGtypeObject; +typedef struct _CoglGtypeClass CoglGtypeClass; + +struct _CoglGtypeObject +{ + GTypeInstance parent_instance; + + guint dummy; +}; + +struct _CoglGtypeClass +{ + GTypeClass base_class; + + guint dummy; +}; + +#define I_(str) (g_intern_static_string ((str))) + +/**/ + +#define COGL_GTYPE_DEFINE_BOXED(Name,underscore_name,copy_func,free_func) \ +GType \ +cogl_##underscore_name##_get_gtype (void) \ +{ \ + static volatile size_t type_volatile = 0; \ + if (g_once_init_enter (&type_volatile)) \ + { \ + GType type = \ + g_boxed_type_register_static (g_intern_static_string (I_("Cogl" # Name)), \ + (GBoxedCopyFunc)copy_func, \ + (GBoxedFreeFunc)free_func); \ + g_once_init_leave (&type_volatile, type); \ + } \ + return type_volatile; \ +} + +#define COGL_GTYPE_IMPLEMENT_INTERFACE(name) { \ + const GInterfaceInfo g_implement_interface_info = { \ + (GInterfaceInitFunc) _cogl_gtype_dummy_iface_init, NULL, NULL \ + }; \ + g_type_add_interface_static (fundamental_type_id, \ + cogl_##name##_get_gtype(), \ + &g_implement_interface_info); \ + } + +#define _COGL_GTYPE_DEFINE_BASE_CLASS_BEGIN(Name,name) \ +GType \ +cogl_##name##_get_gtype (void) \ +{ \ + static volatile gsize type_id__volatile = 0; \ + if (g_once_init_enter (&type_id__volatile)) \ + { \ + static const GTypeFundamentalInfo finfo = { \ + (G_TYPE_FLAG_CLASSED | \ + G_TYPE_FLAG_INSTANTIATABLE | \ + G_TYPE_FLAG_DERIVABLE | \ + G_TYPE_FLAG_DEEP_DERIVABLE), \ + }; \ + static const GTypeValueTable value_table = { \ + _cogl_gtype_object_init_value, \ + _cogl_gtype_object_free_value, \ + _cogl_gtype_object_copy_value, \ + _cogl_gtype_object_peek_pointer, \ + "p", \ + _cogl_gtype_object_collect_value, \ + "p", \ + _cogl_gtype_object_lcopy_value, \ + }; \ + const GTypeInfo node_info = { \ + sizeof (CoglObjectClass), \ + (GBaseInitFunc) _cogl_gtype_object_class_base_init, \ + (GBaseFinalizeFunc) _cogl_gtype_object_class_base_finalize, \ + (GClassInitFunc) _cogl_gtype_object_class_init, \ + (GClassFinalizeFunc) NULL, \ + NULL, \ + sizeof (CoglObject), \ + 0, \ + (GInstanceInitFunc) _cogl_gtype_object_init, \ + &value_table, \ + }; \ + GType fundamental_type_id = \ + g_type_register_fundamental (g_type_fundamental_next (), \ + I_("Cogl" # Name), \ + &node_info, &finfo, \ + G_TYPE_FLAG_ABSTRACT); \ + g_once_init_leave (&type_id__volatile, \ + fundamental_type_id); + +#define _COGL_GTYPE_DEFINE_BASE_CLASS_END() \ + } \ + return type_id__volatile; \ + } + +#define COGL_GTYPE_DEFINE_BASE_CLASS(Name,name,...) \ + _COGL_GTYPE_DEFINE_BASE_CLASS_BEGIN(Name,name) \ + {__VA_ARGS__;} \ + _COGL_GTYPE_DEFINE_BASE_CLASS_END() + +#define _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_BEGIN(Name,name) \ + \ + static void name##_default_init (Name##Interface *klass); \ + GType \ + name##_get_gtype (void) \ + { \ + static volatile gsize type_id__volatile = 0; \ + if (g_once_init_enter (&type_id__volatile)) \ + { \ + GType fundamental_type_id = \ + g_type_register_static_simple (G_TYPE_INTERFACE, \ + g_intern_static_string (#Name), \ + sizeof (Name##Interface), \ + (GClassInitFunc)name##_default_init, \ + 0, \ + (GInstanceInitFunc)NULL, \ + (GTypeFlags) 0); \ + g_type_interface_add_prerequisite (fundamental_type_id, \ + cogl_object_get_gtype()); \ + { /* custom code follows */ + +#define _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_END() \ + /* following custom code */ \ + } \ + g_once_init_leave (&type_id__volatile, \ + fundamental_type_id); \ + } \ + return type_id__volatile; \ + } /* closes name##_get_type() */ + + +#define COGL_GTYPE_DEFINE_INTERFACE(Name,name) \ + typedef struct _Cogl##Name##Iface Cogl##Name##Iface; \ + typedef Cogl##Name##Iface Cogl##Name##Interface; \ + struct _Cogl##Name##Iface \ + { \ + /*< private >*/ \ + GTypeInterface g_iface; \ + }; \ + _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_BEGIN (Cogl##Name, cogl_##name) \ + _COGL_GTYPE_DEFINE_INTERFACE_EXTENDED_END () \ + static void \ + cogl_##name##_default_init (Cogl##Name##Interface *iface) \ + { \ + } + +#define _COGL_GTYPE_DEFINE_TYPE_EXTENDED_BEGIN(Name,name,parent,flags) \ + \ + static void name##_init (Name *self); \ + static void name##_class_init (Name##Class *klass); \ + static gpointer name##_parent_class = NULL; \ + static gint Name##_private_offset; \ + \ + static void \ + name##_class_intern_init (gpointer klass) \ + { \ + name##_parent_class = g_type_class_peek_parent (klass); \ + name##_class_init ((Name##Class*) klass); \ + } \ + \ + static inline gpointer \ + name##_get_instance_private (Name *self) \ + { \ + return (G_STRUCT_MEMBER_P (self, Name ##_private_offset)); \ + } \ + \ + GType \ + name##_get_gtype (void) \ + { \ + static volatile gsize type_id__volatile = 0; \ + if (g_once_init_enter (&type_id__volatile)) \ + { \ + GType fundamental_type_id = \ + g_type_register_static_simple (parent, \ + g_intern_static_string (#Name), \ + sizeof (Name##Class), \ + (GClassInitFunc) name##_class_intern_init, \ + sizeof (Name), \ + (GInstanceInitFunc) name##_init, \ + (GTypeFlags) flags); \ + { /* custom code follows */ + +#define _COGL_GTYPE_DEFINE_TYPE_EXTENDED_END() \ + /* following custom code */ \ + } \ + g_once_init_leave (&type_id__volatile, \ + fundamental_type_id); \ + } \ + return type_id__volatile; \ + } /* closes name##_get_type() */ + + +#define COGL_GTYPE_DEFINE_CLASS(Name,name,...) \ + typedef struct _Cogl##Name##Class Cogl##Name##Class; \ + struct _Cogl##Name##Class { \ + CoglObjectClass parent_class; \ + }; \ + _COGL_GTYPE_DEFINE_TYPE_EXTENDED_BEGIN(Cogl##Name, \ + cogl_##name, \ + cogl_object_get_gtype(), \ + 0) \ + {__VA_ARGS__;} \ + _COGL_GTYPE_DEFINE_TYPE_EXTENDED_END() \ + static void \ + cogl_##name##_init (Cogl##Name *instance) \ + { \ + } \ + static void \ + cogl_##name##_class_init (Cogl##Name##Class *klass) \ + { \ + } + +void _cogl_gtype_object_init_value (GValue *value); +void _cogl_gtype_object_free_value (GValue *value); +void _cogl_gtype_object_copy_value (const GValue *src, + GValue *dst); +gpointer _cogl_gtype_object_peek_pointer (const GValue *value); +gchar *_cogl_gtype_object_collect_value (GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags); +gchar *_cogl_gtype_object_lcopy_value (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags); + +void _cogl_gtype_object_class_base_init (CoglObjectClass *klass); +void _cogl_gtype_object_class_base_finalize (CoglObjectClass *klass); +void _cogl_gtype_object_class_init (CoglObjectClass *klass); +void _cogl_gtype_object_init (CoglObject *object); + +void cogl_object_value_set_object (GValue *value, + gpointer object); +gpointer cogl_object_value_get_object (const GValue *value); + +void _cogl_gtype_dummy_iface_init (gpointer iface); + +#endif /* __COGL_GTYPE_PRIVATE_H__ */ diff --git a/cogl/cogl-gtype.c b/cogl/cogl-gtype.c new file mode 100644 index 0000000..314d8e4 --- /dev/null +++ b/cogl/cogl-gtype.c @@ -0,0 +1,153 @@ +#include "cogl-gtype-private.h" + +#include + +void +_cogl_gtype_object_init_value (GValue *value) +{ + value->data[0].v_pointer = NULL; +} + +void +_cogl_gtype_object_free_value (GValue *value) +{ + if (value->data[0].v_pointer != NULL) + cogl_object_unref (value->data[0].v_pointer); +} + +void +_cogl_gtype_object_copy_value (const GValue *src, + GValue *dst) +{ + if (src->data[0].v_pointer != NULL) + dst->data[0].v_pointer = cogl_object_ref (src->data[0].v_pointer); + else + dst->data[0].v_pointer = NULL; +} + +gpointer +_cogl_gtype_object_peek_pointer (const GValue *value) +{ + return value->data[0].v_pointer; +} + +gchar * +_cogl_gtype_object_collect_value (GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + CoglObject *object; + + object = collect_values[0].v_pointer; + + if (object == NULL) + { + value->data[0].v_pointer = NULL; + return NULL; + } + + if (object->klass == NULL) + return g_strconcat ("invalid unclassed CoglObject pointer for " + "value type '", + G_VALUE_TYPE_NAME (value), + "'", + NULL); + + value->data[0].v_pointer = cogl_object_ref (object); + + return NULL; +} + +gchar * +_cogl_gtype_object_lcopy_value (const GValue *value, + guint n_collect_values, + GTypeCValue *collect_values, + guint collect_flags) +{ + CoglObject **object_p = collect_values[0].v_pointer; + + if (object_p == NULL) + return g_strconcat ("value location for '", + G_VALUE_TYPE_NAME (value), + "' passed as NULL", + NULL); + + if (value->data[0].v_pointer == NULL) + *object_p = NULL; + else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) + *object_p = value->data[0].v_pointer; + else + *object_p = cogl_object_ref (value->data[0].v_pointer); + + return NULL; +} + +void +_cogl_gtype_object_class_base_init (CoglObjectClass *klass) +{ +} + +void +_cogl_gtype_object_class_base_finalize (CoglObjectClass *klass) +{ +} + +void +_cogl_gtype_object_class_init (CoglObjectClass *klass) +{ +} + +void +_cogl_gtype_object_init (CoglObject *object) +{ +} + +void +_cogl_gtype_dummy_iface_init (gpointer iface) +{ +} + +/** + * cogl_object_value_set_object: + * @value: a #GValue initialized with %COGL_GTYPE_TYPE_OBJECT + * @object: (type Cogl.GtypeObject) (allow-none): a #CoglGtypeObject, or %NULL + * + * Sets the contents of a #GValue initialized with %COGL_GTYPE_TYPE_OBJECT. + * + */ +void +cogl_object_value_set_object (GValue *value, + gpointer object) +{ + CoglObject *old_object; + + old_object = value->data[0].v_pointer; + + if (object != NULL) + { + /* take over ownership */ + value->data[0].v_pointer = object; + } + else + value->data[0].v_pointer = NULL; + + if (old_object != NULL) + cogl_object_unref (old_object); +} + +/** + * cogl_object_value_get_object: + * @value: a #GValue initialized with %COGL_GTYPE_TYPE_OBJECT + * + * Retrieves a pointer to the #CoglGtypeObject contained inside + * the passed #GValue. + * + * Return value: (transfer none) (type Cogl.GtypeObject): a pointer to + * a #CoglGtypeObject, or %NULL + */ +gpointer +cogl_object_value_get_object (const GValue *value) +{ + return value->data[0].v_pointer; +} diff --git a/cogl/cogl-i18n-private.h b/cogl/cogl-i18n-private.h new file mode 100644 index 0000000..f77a343 --- /dev/null +++ b/cogl/cogl-i18n-private.h @@ -0,0 +1,41 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef _COGL_I18N_PRIVATE_H_ +#define _COGL_I18N_PRIVATE_H_ + +#ifdef ENABLE_NLS +#include +#else +#define _(X) X +#define N_(X) X +#endif + +#endif /* _COGL_I18N_PRIVATE_H_ */ diff --git a/cogl/cogl-index-buffer-private.h b/cogl/cogl-index-buffer-private.h new file mode 100644 index 0000000..d9596cd --- /dev/null +++ b/cogl/cogl-index-buffer-private.h @@ -0,0 +1,44 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_INDEX_BUFFER_PRIVATE_H +#define __COGL_INDEX_BUFFER_PRIVATE_H + +#include "cogl-buffer-private.h" + +struct _CoglIndexBuffer +{ + CoglBuffer _parent; +}; + +#endif /* __COGL_INDEX_BUFFER_PRIVATE_H */ diff --git a/cogl/cogl-index-buffer.c b/cogl/cogl-index-buffer.c new file mode 100644 index 0000000..cddaf47 --- /dev/null +++ b/cogl/cogl-index-buffer.c @@ -0,0 +1,112 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-object-private.h" +#include "cogl-indices.h" +#include "cogl-indices-private.h" +#include "cogl-context-private.h" +#include "cogl-gtype-private.h" + +static void _cogl_index_buffer_free (CoglIndexBuffer *indices); + +COGL_BUFFER_DEFINE (IndexBuffer, index_buffer); +COGL_GTYPE_DEFINE_CLASS (IndexBuffer, index_buffer); + +/* XXX: Unlike the wiki design this just takes a size. A single + * indices buffer should be able to contain multiple ranges of indices + * which the wiki design doesn't currently consider. */ +CoglIndexBuffer * +cogl_index_buffer_new (CoglContext *context, size_t bytes) +{ + CoglIndexBuffer *indices = g_slice_new (CoglIndexBuffer); + + /* parent's constructor */ + _cogl_buffer_initialize (COGL_BUFFER (indices), + context, + bytes, + COGL_BUFFER_BIND_TARGET_INDEX_BUFFER, + COGL_BUFFER_USAGE_HINT_INDEX_BUFFER, + COGL_BUFFER_UPDATE_HINT_STATIC); + + return _cogl_index_buffer_object_new (indices); +} + +static void +_cogl_index_buffer_free (CoglIndexBuffer *indices) +{ + /* parent's destructor */ + _cogl_buffer_fini (COGL_BUFFER (indices)); + + g_slice_free (CoglIndexBuffer, indices); +} + +/* XXX: do we want a convenience function like this as an alternative + * to using cogl_buffer_set_data? The advantage of this is that we can + * track meta data such as the indices type and max_index_value for a + * range as part of the indices buffer. If we just leave people to use + * cogl_buffer_set_data then we either need a way to specify the type + * and max index value at draw time or we'll want a separate way to + * declare the type and max value for a range after uploading the + * data. + * + * XXX: I think in the end it'll be that CoglIndices are to + * CoglIndexBuffers as CoglAttributes are to CoglAttributeBuffers. I.e + * a CoglIndexBuffer is a lite subclass of CoglBuffer that simply + * implies that the buffer will later be bound as indices but doesn't + * track more detailed meta data. CoglIndices build on a + * CoglIndexBuffer and define the type and max_index_value for some + * sub-range of a CoglIndexBuffer. + */ +#if 0 +void +cogl_index_buffer_set_data (CoglIndexBuffer *indices, + CoglIndicesType type, + int max_index_value, + size_t write_offset, + void *user_indices, + int n_indices) +{ + GList *l; + + for (l = indices->ranges; l; l = l->next) + { + + } + cogl_buffer_set +} +#endif + diff --git a/cogl/cogl-index-buffer.h b/cogl/cogl-index-buffer.h new file mode 100644 index 0000000..204c858 --- /dev/null +++ b/cogl/cogl-index-buffer.h @@ -0,0 +1,107 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_INDEX_BUFFER_H__ +#define __COGL_INDEX_BUFFER_H__ + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-index-buffer + * @short_description: Functions for creating and manipulating vertex + * indices. + * + * FIXME + */ + +#define COGL_INDEX_BUFFER(buffer) ((CoglIndexBuffer*) buffer) + +typedef struct _CoglIndexBuffer CoglIndexBuffer; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_index_buffer_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_index_buffer_get_gtype (void); +#endif + +/** + * cogl_index_buffer_new: + * @context: A #CoglContext + * @bytes: The number of bytes to allocate for vertex attribute data. + * + * Declares a new #CoglIndexBuffer of @size bytes to contain vertex + * indices. Once declared, data can be set using + * cogl_buffer_set_data() or by mapping it into the application's + * address space using cogl_buffer_map(). + * + * Return value: (transfer full): A newly allocated #CoglIndexBuffer + * + * Since: 1.4 + * Stability: Unstable + */ +CoglIndexBuffer * +cogl_index_buffer_new (CoglContext *context, + size_t bytes); + +/** + * cogl_is_index_buffer: + * @object: A #CoglObject + * + * Gets whether the given object references a #CoglIndexBuffer. + * + * Returns: %TRUE if the @object references a #CoglIndexBuffer, + * %FALSE otherwise + * + * Since: 1.4 + * Stability: Unstable + */ +CoglBool +cogl_is_index_buffer (void *object); + +COGL_END_DECLS + +#endif /* __COGL_INDEX_BUFFER_H__ */ + diff --git a/cogl/cogl-indices-private.h b/cogl/cogl-indices-private.h new file mode 100644 index 0000000..3d58916 --- /dev/null +++ b/cogl/cogl-indices-private.h @@ -0,0 +1,60 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_INDICES_PRIVATE_H +#define __COGL_INDICES_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-index-buffer-private.h" +#include "cogl-types.h" + +struct _CoglIndices +{ + CoglObject _parent; + + CoglIndexBuffer *buffer; + size_t offset; + + CoglIndicesType type; + + int immutable_ref; +}; + +CoglIndices * +_cogl_indices_immutable_ref (CoglIndices *indices); + +void +_cogl_indices_immutable_unref (CoglIndices *indices); + +#endif /* __COGL_INDICES_PRIVATE_H */ + diff --git a/cogl/cogl-indices.c b/cogl/cogl-indices.c new file mode 100644 index 0000000..2256830 --- /dev/null +++ b/cogl/cogl-indices.c @@ -0,0 +1,271 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-object-private.h" +#include "cogl-context-private.h" +#include "cogl-indices.h" +#include "cogl-indices-private.h" +#include "cogl-index-buffer.h" +#include "cogl-gtype-private.h" + +#include + +static void _cogl_indices_free (CoglIndices *indices); + +COGL_OBJECT_DEFINE (Indices, indices); +COGL_GTYPE_DEFINE_CLASS (Indices, indices); + +static size_t +sizeof_indices_type (CoglIndicesType type) +{ + switch (type) + { + case COGL_INDICES_TYPE_UNSIGNED_BYTE: + return 1; + case COGL_INDICES_TYPE_UNSIGNED_SHORT: + return 2; + case COGL_INDICES_TYPE_UNSIGNED_INT: + return 4; + } + g_return_val_if_reached (0); +} + +CoglIndices * +cogl_indices_new_for_buffer (CoglIndicesType type, + CoglIndexBuffer *buffer, + size_t offset) +{ + CoglIndices *indices = g_slice_new (CoglIndices); + + indices->buffer = cogl_object_ref (buffer); + indices->offset = offset; + + indices->type = type; + + indices->immutable_ref = 0; + + return _cogl_indices_object_new (indices); +} + +CoglIndices * +cogl_indices_new (CoglContext *context, + CoglIndicesType type, + const void *indices_data, + int n_indices) +{ + size_t buffer_bytes = sizeof_indices_type (type) * n_indices; + CoglIndexBuffer *index_buffer = cogl_index_buffer_new (context, buffer_bytes); + CoglBuffer *buffer = COGL_BUFFER (index_buffer); + CoglIndices *indices; + CoglError *ignore_error = NULL; + + _cogl_buffer_set_data (buffer, + 0, + indices_data, + buffer_bytes, + &ignore_error); + if (ignore_error) + { + cogl_error_free (ignore_error); + cogl_object_unref (index_buffer); + return NULL; + } + + indices = cogl_indices_new_for_buffer (type, index_buffer, 0); + cogl_object_unref (index_buffer); + + return indices; +} + +CoglIndexBuffer * +cogl_indices_get_buffer (CoglIndices *indices) +{ + return indices->buffer; +} + +CoglIndicesType +cogl_indices_get_type (CoglIndices *indices) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_indices (indices), + COGL_INDICES_TYPE_UNSIGNED_BYTE); + return indices->type; +} + +size_t +cogl_indices_get_offset (CoglIndices *indices) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_indices (indices), 0); + + return indices->offset; +} + +static void +warn_about_midscene_changes (void) +{ + static CoglBool seen = FALSE; + if (!seen) + { + g_warning ("Mid-scene modification of indices has " + "undefined results\n"); + seen = TRUE; + } +} + +void +cogl_indices_set_offset (CoglIndices *indices, + size_t offset) +{ + _COGL_RETURN_IF_FAIL (cogl_is_indices (indices)); + + if (G_UNLIKELY (indices->immutable_ref)) + warn_about_midscene_changes (); + + indices->offset = offset; +} + +static void +_cogl_indices_free (CoglIndices *indices) +{ + cogl_object_unref (indices->buffer); + g_slice_free (CoglIndices, indices); +} + +CoglIndices * +_cogl_indices_immutable_ref (CoglIndices *indices) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_indices (indices), NULL); + + indices->immutable_ref++; + _cogl_buffer_immutable_ref (COGL_BUFFER (indices->buffer)); + return indices; +} + +void +_cogl_indices_immutable_unref (CoglIndices *indices) +{ + _COGL_RETURN_IF_FAIL (cogl_is_indices (indices)); + _COGL_RETURN_IF_FAIL (indices->immutable_ref > 0); + + indices->immutable_ref--; + _cogl_buffer_immutable_unref (COGL_BUFFER (indices->buffer)); +} + +CoglIndices * +cogl_get_rectangle_indices (CoglContext *ctx, int n_rectangles) +{ + int n_indices = n_rectangles * 6; + + /* Check if the largest index required will fit in a byte array... */ + if (n_indices <= 256 / 4 * 6) + { + /* Generate the byte array if we haven't already */ + if (ctx->rectangle_byte_indices == NULL) + { + uint8_t *byte_array = g_malloc (256 / 4 * 6 * sizeof (uint8_t)); + uint8_t *p = byte_array; + int i, vert_num = 0; + + for (i = 0; i < 256 / 4; i++) + { + *(p++) = vert_num + 0; + *(p++) = vert_num + 1; + *(p++) = vert_num + 2; + *(p++) = vert_num + 0; + *(p++) = vert_num + 2; + *(p++) = vert_num + 3; + vert_num += 4; + } + + ctx->rectangle_byte_indices + = cogl_indices_new (ctx, + COGL_INDICES_TYPE_UNSIGNED_BYTE, + byte_array, + 256 / 4 * 6); + + g_free (byte_array); + } + + return ctx->rectangle_byte_indices; + } + else + { + if (ctx->rectangle_short_indices_len < n_indices) + { + uint16_t *short_array; + uint16_t *p; + int i, vert_num = 0; + + if (ctx->rectangle_short_indices != NULL) + cogl_object_unref (ctx->rectangle_short_indices); + /* Pick a power of two >= MAX (512, n_indices) */ + if (ctx->rectangle_short_indices_len == 0) + ctx->rectangle_short_indices_len = 512; + while (ctx->rectangle_short_indices_len < n_indices) + ctx->rectangle_short_indices_len *= 2; + + /* Over-allocate to generate a whole number of quads */ + p = short_array = g_malloc ((ctx->rectangle_short_indices_len + + 5) / 6 * 6 + * sizeof (uint16_t)); + + /* Fill in the complete quads */ + for (i = 0; i < ctx->rectangle_short_indices_len; i += 6) + { + *(p++) = vert_num + 0; + *(p++) = vert_num + 1; + *(p++) = vert_num + 2; + *(p++) = vert_num + 0; + *(p++) = vert_num + 2; + *(p++) = vert_num + 3; + vert_num += 4; + } + + ctx->rectangle_short_indices + = cogl_indices_new (ctx, + COGL_INDICES_TYPE_UNSIGNED_SHORT, + short_array, + ctx->rectangle_short_indices_len); + + g_free (short_array); + } + + return ctx->rectangle_short_indices; + } +} + diff --git a/cogl/cogl-indices.h b/cogl/cogl-indices.h new file mode 100644 index 0000000..3cc9239 --- /dev/null +++ b/cogl/cogl-indices.h @@ -0,0 +1,165 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_INDICES_H__ +#define __COGL_INDICES_H__ + +/* We forward declare the CoglIndices type here to avoid some circular + * dependency issues with the following headers. + */ +typedef struct _CoglIndices CoglIndices; + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-indices + * @short_description: Describe vertex indices stored in a #CoglIndexBuffer. + * + * Indices allow you to avoid duplicating vertices in your vertex data + * by virtualizing your data and instead providing a sequence of index + * values that tell the GPU which data should be used for each vertex. + * + * If the GPU is given a sequence of indices it doesn't simply walk + * through each vertex of your data in order it will instead walk + * through the indices which can provide random access to the + * underlying data. + * + * Since it's very common to have duplicate vertices when describing a + * shape as a list of triangles it can often be a significant space + * saving to describe geometry using indices. Reducing the size of + * your models can make it cheaper to map them into the GPU by + * reducing the demand on memory bandwidth and may help to make better + * use of your GPUs internal vertex caching. + * + * For example, to describe a quadrilateral as 2 triangles for the GPU + * you could either provide data with 6 vertices or instead with + * indices you can provide vertex data for just 4 vertices and an + * index buffer that specfies the 6 vertices by indexing the shared + * vertices multiple times. + * + * |[ + * CoglVertex2f quad_vertices[] = { + * {x0, y0}, //0 = top left + * {x1, y1}, //1 = bottom left + * {x2, y2}, //2 = bottom right + * {x3, y3}, //3 = top right + * }; + * //tell the gpu how to interpret the quad as 2 triangles... + * unsigned char indices[] = {0, 1, 2, 0, 2, 3}; + * ]| + * + * Even in the above illustration we see a saving of 10bytes for one + * quad compared to having data for 6 vertices and no indices but if + * you need to draw 100s or 1000s of quads then its really quite + * significant. + * + * Something else to consider is that often indices can be defined + * once and remain static while the vertex data may change for + * animations perhaps. That means you may be able to ignore the + * negligable cost of mapping your indices into the GPU if they don't + * ever change. + * + * The above illustration is actually a good example of static indices + * because it's really common that developers have quad mesh data that + * they need to display and we know exactly what that indices array + * needs to look like depending on the number of quads that need to be + * drawn. It doesn't matter how the quads might be animated and + * changed the indices will remain the same. Cogl even has a utility + * (cogl_get_rectangle_indices()) to get access to re-useable indices + * for drawing quads as above. + */ + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_indices_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_indices_get_gtype (void); +#endif + +CoglIndices * +cogl_indices_new (CoglContext *context, + CoglIndicesType type, + const void *indices_data, + int n_indices); + +CoglIndices * +cogl_indices_new_for_buffer (CoglIndicesType type, + CoglIndexBuffer *buffer, + size_t offset); + +CoglIndexBuffer * +cogl_indices_get_buffer (CoglIndices *indices); + +CoglIndicesType +cogl_indices_get_type (CoglIndices *indices); + +size_t +cogl_indices_get_offset (CoglIndices *indices); + +void +cogl_indices_set_offset (CoglIndices *indices, + size_t offset); + +CoglIndices * +cogl_get_rectangle_indices (CoglContext *context, int n_rectangles); + +/** + * cogl_is_indices: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a #CoglIndices. + * + * Return value: %TRUE if the object references a #CoglIndices + * and %FALSE otherwise. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_is_indices (void *object); + +COGL_END_DECLS + +#endif /* __COGL_INDICES_H__ */ + diff --git a/cogl/cogl-journal-private.h b/cogl/cogl-journal-private.h new file mode 100644 index 0000000..8211359 --- /dev/null +++ b/cogl/cogl-journal-private.h @@ -0,0 +1,121 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_JOURNAL_PRIVATE_H +#define __COGL_JOURNAL_PRIVATE_H + +#include "cogl-texture.h" +#include "cogl-object-private.h" +#include "cogl-clip-stack.h" +#include "cogl-fence-private.h" + +#define COGL_JOURNAL_VBO_POOL_SIZE 8 + +typedef struct _CoglJournal +{ + CoglObject _parent; + + /* A pointer the framebuffer that is using this journal. This is + only valid when the journal is not empty. It *does* take a + reference on the framebuffer. Although this creates a circular + reference, the framebuffer has special code to handle the case + where the journal is the only thing holding a reference and it + will cause the journal to flush */ + CoglFramebuffer *framebuffer; + + GArray *entries; + GArray *vertices; + size_t needed_vbo_len; + + /* A pool of attribute buffers is used so that we can avoid repeatedly + reallocating buffers. Only one of these buffers at a time will be + used by Cogl but we keep more than one alive anyway in case the + GL driver is internally using the buffer and it would have to + allocate a new one when we start writing to it */ + CoglAttributeBuffer *vbo_pool[COGL_JOURNAL_VBO_POOL_SIZE]; + /* The next vbo to use from the pool. We just cycle through them in + order */ + unsigned int next_vbo_in_pool; + + int fast_read_pixel_count; + + CoglList pending_fences; + +} CoglJournal; + +/* To improve batching of geometry when submitting vertices to OpenGL we + * log the texture rectangles we want to draw to a journal, so when we + * later flush the journal we aim to batch data, and gl draw calls. */ +typedef struct _CoglJournalEntry +{ + CoglPipeline *pipeline; + CoglMatrixEntry *modelview_entry; + CoglClipStack *clip_stack; + /* Offset into ctx->logged_vertices */ + size_t array_offset; + int n_layers; +} CoglJournalEntry; + +CoglJournal * +_cogl_journal_new (CoglFramebuffer *framebuffer); + +void +_cogl_journal_log_quad (CoglJournal *journal, + const float *position, + CoglPipeline *pipeline, + int n_layers, + CoglTexture *layer0_override_texture, + const float *tex_coords, + unsigned int tex_coords_len); + +void +_cogl_journal_flush (CoglJournal *journal); + +void +_cogl_journal_discard (CoglJournal *journal); + +CoglBool +_cogl_journal_all_entries_within_bounds (CoglJournal *journal, + float clip_x0, + float clip_y0, + float clip_x1, + float clip_y1); + +CoglBool +_cogl_journal_try_read_pixel (CoglJournal *journal, + int x, + int y, + CoglBitmap *bitmap, + CoglBool *found_intersection); + +CoglBool +_cogl_is_journal (void *object); + +#endif /* __COGL_JOURNAL_PRIVATE_H */ diff --git a/cogl/cogl-journal.c b/cogl/cogl-journal.c new file mode 100644 index 0000000..dff34a0 --- /dev/null +++ b/cogl/cogl-journal.c @@ -0,0 +1,1852 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-debug.h" +#include "cogl-context-private.h" +#include "cogl-journal-private.h" +#include "cogl-texture-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-vertex-buffer-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-profile.h" +#include "cogl-attribute-private.h" +#include "cogl-point-in-poly-private.h" +#include "cogl-private.h" +#include "cogl1-context.h" + +#include +#include +#include + +/* XXX NB: + * The data logged in logged_vertices is formatted as follows: + * + * Per entry: + * 4 RGBA GLubytes for the color + * 2 floats for the top left position + * 2 * n_layers floats for the top left texture coordinates + * 2 floats for the bottom right position + * 2 * n_layers floats for the bottom right texture coordinates + */ +#define GET_JOURNAL_ARRAY_STRIDE_FOR_N_LAYERS(N_LAYERS) \ + (N_LAYERS * 2 + 2) + +/* XXX NB: + * Once in the vertex array, the journal's vertex data is arranged as follows: + * 4 vertices per quad: + * 2 or 3 GLfloats per position (3 when doing software transforms) + * 4 RGBA GLubytes, + * 2 GLfloats per tex coord * n_layers + * + * Where n_layers corresponds to the number of pipeline layers enabled + * + * To avoid frequent changes in the stride of our vertex data we always pad + * n_layers to be >= 2 + * + * There will be four vertices per quad in the vertex array + * + * When we are transforming quads in software we need to also track the z + * coordinate of transformed vertices. + * + * So for a given number of layers this gets the stride in 32bit words: + */ +#define SW_TRANSFORM (!(COGL_DEBUG_ENABLED \ + (COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM))) +#define POS_STRIDE (SW_TRANSFORM ? 3 : 2) /* number of 32bit words */ +#define N_POS_COMPONENTS POS_STRIDE +#define COLOR_STRIDE 1 /* number of 32bit words */ +#define TEX_STRIDE 2 /* number of 32bit words */ +#define MIN_LAYER_PADING 2 +#define GET_JOURNAL_VB_STRIDE_FOR_N_LAYERS(N_LAYERS) \ + (POS_STRIDE + COLOR_STRIDE + \ + TEX_STRIDE * (N_LAYERS < MIN_LAYER_PADING ? MIN_LAYER_PADING : N_LAYERS)) + +/* If a batch is longer than this threshold then we'll assume it's not + worth doing software clipping and it's cheaper to program the GPU + to do the clip */ +#define COGL_JOURNAL_HARDWARE_CLIP_THRESHOLD 8 + +typedef struct _CoglJournalFlushState +{ + CoglContext *ctx; + + CoglJournal *journal; + + CoglAttributeBuffer *attribute_buffer; + GArray *attributes; + int current_attribute; + + size_t stride; + size_t array_offset; + GLuint current_vertex; + + CoglIndices *indices; + size_t indices_type_size; + + CoglPipeline *pipeline; +} CoglJournalFlushState; + +typedef void (*CoglJournalBatchCallback) (CoglJournalEntry *start, + int n_entries, + void *data); +typedef CoglBool (*CoglJournalBatchTest) (CoglJournalEntry *entry0, + CoglJournalEntry *entry1); + +static void _cogl_journal_free (CoglJournal *journal); + +COGL_OBJECT_INTERNAL_DEFINE (Journal, journal); + +static void +_cogl_journal_free (CoglJournal *journal) +{ + int i; + + if (journal->entries) + g_array_free (journal->entries, TRUE); + if (journal->vertices) + g_array_free (journal->vertices, TRUE); + + for (i = 0; i < COGL_JOURNAL_VBO_POOL_SIZE; i++) + if (journal->vbo_pool[i]) + cogl_object_unref (journal->vbo_pool[i]); + + g_slice_free (CoglJournal, journal); +} + +CoglJournal * +_cogl_journal_new (CoglFramebuffer *framebuffer) +{ + CoglJournal *journal = g_slice_new0 (CoglJournal); + + /* The journal keeps a pointer back to the framebuffer because there + is effectively a 1:1 mapping between journals and framebuffers. + However, to avoid a circular reference the journal doesn't take a + reference unless it is non-empty. The framebuffer has a special + unref implementation to ensure that the journal is flushed when + the journal is the only thing keeping it alive */ + journal->framebuffer = framebuffer; + + journal->entries = g_array_new (FALSE, FALSE, sizeof (CoglJournalEntry)); + journal->vertices = g_array_new (FALSE, FALSE, sizeof (float)); + + _cogl_list_init (&journal->pending_fences); + + return _cogl_journal_object_new (journal); +} + +static void +_cogl_journal_dump_logged_quad (uint8_t *data, int n_layers) +{ + size_t stride = GET_JOURNAL_ARRAY_STRIDE_FOR_N_LAYERS (n_layers); + int i; + + g_print ("n_layers = %d; rgba=0x%02X%02X%02X%02X\n", + n_layers, data[0], data[1], data[2], data[3]); + + data += 4; + + for (i = 0; i < 2; i++) + { + float *v = (float *)data + (i * stride); + int j; + + g_print ("v%d: x = %f, y = %f", i, v[0], v[1]); + + for (j = 0; j < n_layers; j++) + { + float *t = v + 2 + TEX_STRIDE * j; + g_print (", tx%d = %f, ty%d = %f", j, t[0], j, t[1]); + } + g_print ("\n"); + } +} + +static void +_cogl_journal_dump_quad_vertices (uint8_t *data, int n_layers) +{ + size_t stride = GET_JOURNAL_VB_STRIDE_FOR_N_LAYERS (n_layers); + int i; + + g_print ("n_layers = %d; stride = %d; pos stride = %d; color stride = %d; " + "tex stride = %d; stride in bytes = %d\n", + n_layers, (int)stride, POS_STRIDE, COLOR_STRIDE, + TEX_STRIDE, (int)stride * 4); + + for (i = 0; i < 4; i++) + { + float *v = (float *)data + (i * stride); + uint8_t *c = data + (POS_STRIDE * 4) + (i * stride * 4); + int j; + + if (G_UNLIKELY (COGL_DEBUG_ENABLED + (COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM))) + g_print ("v%d: x = %f, y = %f, rgba=0x%02X%02X%02X%02X", + i, v[0], v[1], c[0], c[1], c[2], c[3]); + else + g_print ("v%d: x = %f, y = %f, z = %f, rgba=0x%02X%02X%02X%02X", + i, v[0], v[1], v[2], c[0], c[1], c[2], c[3]); + for (j = 0; j < n_layers; j++) + { + float *t = v + POS_STRIDE + COLOR_STRIDE + TEX_STRIDE * j; + g_print (", tx%d = %f, ty%d = %f", j, t[0], j, t[1]); + } + g_print ("\n"); + } +} + +static void +_cogl_journal_dump_quad_batch (uint8_t *data, int n_layers, int n_quads) +{ + size_t byte_stride = GET_JOURNAL_VB_STRIDE_FOR_N_LAYERS (n_layers) * 4; + int i; + + g_print ("_cogl_journal_dump_quad_batch: n_layers = %d, n_quads = %d\n", + n_layers, n_quads); + for (i = 0; i < n_quads; i++) + _cogl_journal_dump_quad_vertices (data + byte_stride * 2 * i, n_layers); +} + +static void +batch_and_call (CoglJournalEntry *entries, + int n_entries, + CoglJournalBatchTest can_batch_callback, + CoglJournalBatchCallback batch_callback, + void *data) +{ + int i; + int batch_len = 1; + CoglJournalEntry *batch_start = entries; + + if (n_entries < 1) + return; + + for (i = 1; i < n_entries; i++) + { + CoglJournalEntry *entry0 = &entries[i - 1]; + CoglJournalEntry *entry1 = entry0 + 1; + + if (can_batch_callback (entry0, entry1)) + { + batch_len++; + continue; + } + + batch_callback (batch_start, batch_len, data); + + batch_start = entry1; + batch_len = 1; + } + + /* The last batch... */ + batch_callback (batch_start, batch_len, data); +} + +static void +_cogl_journal_flush_modelview_and_entries (CoglJournalEntry *batch_start, + int batch_len, + void *data) +{ + CoglJournalFlushState *state = data; + CoglContext *ctx = state->ctx; + CoglFramebuffer *framebuffer = state->journal->framebuffer; + CoglAttribute **attributes; + CoglDrawFlags draw_flags = (COGL_DRAW_SKIP_JOURNAL_FLUSH | + COGL_DRAW_SKIP_PIPELINE_VALIDATION | + COGL_DRAW_SKIP_FRAMEBUFFER_FLUSH | + COGL_DRAW_SKIP_LEGACY_STATE); + + COGL_STATIC_TIMER (time_flush_modelview_and_entries, + "flush: pipeline+entries", /* parent */ + "flush: modelview+entries", + "The time spent flushing modelview + entries", + 0 /* no application private data */); + + COGL_TIMER_START (_cogl_uprof_context, time_flush_modelview_and_entries); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_BATCHING))) + g_print ("BATCHING: modelview batch len = %d\n", batch_len); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM))) + _cogl_context_set_current_modelview_entry (ctx, + batch_start->modelview_entry); + + attributes = (CoglAttribute **)state->attributes->data; + + if (!_cogl_pipeline_get_real_blend_enabled (state->pipeline)) + draw_flags |= COGL_DRAW_COLOR_ATTRIBUTE_IS_OPAQUE; + +#ifdef HAVE_COGL_GL + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_QUADS)) + { + /* XXX: it's rather evil that we sneak in the GL_QUADS enum here... */ + _cogl_framebuffer_draw_attributes (framebuffer, + state->pipeline, + GL_QUADS, + state->current_vertex, batch_len * 4, + attributes, + state->attributes->len, + draw_flags); + } + else +#endif /* HAVE_COGL_GL */ + { + if (batch_len > 1) + { + CoglVerticesMode mode = COGL_VERTICES_MODE_TRIANGLES; + int first_vertex = state->current_vertex * 6 / 4; + _cogl_framebuffer_draw_indexed_attributes (framebuffer, + state->pipeline, + mode, + first_vertex, + batch_len * 6, + state->indices, + attributes, + state->attributes->len, + draw_flags); + } + else + { + _cogl_framebuffer_draw_attributes (framebuffer, + state->pipeline, + COGL_VERTICES_MODE_TRIANGLE_FAN, + state->current_vertex, 4, + attributes, + state->attributes->len, + draw_flags); + } + } + + /* DEBUGGING CODE XXX: This path will cause all rectangles to be + * drawn with a coloured outline. Each batch will be rendered with + * the same color. This may e.g. help with debugging texture slicing + * issues, visually seeing what is batched and debugging blending + * issues, plus it looks quite cool. + */ + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_RECTANGLES))) + { + static CoglPipeline *outline = NULL; + uint8_t color_intensity; + int i; + CoglAttribute *loop_attributes[1]; + + if (outline == NULL) + outline = cogl_pipeline_new (ctx); + + /* The least significant three bits represent the three + components so that the order of colours goes red, green, + yellow, blue, magenta, cyan. Black and white are skipped. The + next two bits give four scales of intensity for those colours + in the order 0xff, 0xcc, 0x99, and 0x66. This gives a total + of 24 colours. If there are more than 24 batches on the stage + then it will wrap around */ + color_intensity = 0xff - 0x33 * (ctx->journal_rectangles_color >> 3); + cogl_pipeline_set_color4ub (outline, + (ctx->journal_rectangles_color & 1) ? + color_intensity : 0, + (ctx->journal_rectangles_color & 2) ? + color_intensity : 0, + (ctx->journal_rectangles_color & 4) ? + color_intensity : 0, + 0xff); + + loop_attributes[0] = attributes[0]; /* we just want the position */ + for (i = 0; i < batch_len; i++) + _cogl_framebuffer_draw_attributes (framebuffer, + outline, + COGL_VERTICES_MODE_LINE_LOOP, + 4 * i + state->current_vertex, 4, + loop_attributes, + 1, + draw_flags); + + /* Go to the next color */ + do + ctx->journal_rectangles_color = ((ctx->journal_rectangles_color + 1) & + ((1 << 5) - 1)); + /* We don't want to use black or white */ + while ((ctx->journal_rectangles_color & 0x07) == 0 + || (ctx->journal_rectangles_color & 0x07) == 0x07); + } + + state->current_vertex += (4 * batch_len); + + COGL_TIMER_STOP (_cogl_uprof_context, time_flush_modelview_and_entries); +} + +static CoglBool +compare_entry_modelviews (CoglJournalEntry *entry0, + CoglJournalEntry *entry1) +{ + /* Batch together quads with the same model view matrix */ + return entry0->modelview_entry == entry1->modelview_entry; +} + +/* At this point we have a run of quads that we know have compatible + * pipelines, but they may not all have the same modelview matrix */ +static void +_cogl_journal_flush_pipeline_and_entries (CoglJournalEntry *batch_start, + int batch_len, + void *data) +{ + CoglJournalFlushState *state = data; + COGL_STATIC_TIMER (time_flush_pipeline_entries, + "flush: texcoords+pipeline+entries", /* parent */ + "flush: pipeline+entries", + "The time spent flushing pipeline + entries", + 0 /* no application private data */); + + COGL_TIMER_START (_cogl_uprof_context, time_flush_pipeline_entries); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_BATCHING))) + g_print ("BATCHING: pipeline batch len = %d\n", batch_len); + + state->pipeline = batch_start->pipeline; + + /* If we haven't transformed the quads in software then we need to also break + * up batches according to changes in the modelview matrix... */ + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM))) + { + batch_and_call (batch_start, + batch_len, + compare_entry_modelviews, + _cogl_journal_flush_modelview_and_entries, + data); + } + else + _cogl_journal_flush_modelview_and_entries (batch_start, batch_len, data); + + COGL_TIMER_STOP (_cogl_uprof_context, time_flush_pipeline_entries); +} + +static CoglBool +compare_entry_pipelines (CoglJournalEntry *entry0, CoglJournalEntry *entry1) +{ + /* batch rectangles using compatible pipelines */ + + if (_cogl_pipeline_equal (entry0->pipeline, + entry1->pipeline, + (COGL_PIPELINE_STATE_ALL & + ~COGL_PIPELINE_STATE_COLOR), + COGL_PIPELINE_LAYER_STATE_ALL, + 0)) + return TRUE; + else + return FALSE; +} + +typedef struct _CreateAttributeState +{ + int current; + CoglJournalFlushState *flush_state; +} CreateAttributeState; + +static CoglBool +create_attribute_cb (CoglPipeline *pipeline, + int layer_number, + void *user_data) +{ + CreateAttributeState *state = user_data; + CoglJournalFlushState *flush_state = state->flush_state; + CoglAttribute **attribute_entry = + &g_array_index (flush_state->attributes, + CoglAttribute *, + state->current + 2); + const char *names[] = { + "cogl_tex_coord0_in", + "cogl_tex_coord1_in", + "cogl_tex_coord2_in", + "cogl_tex_coord3_in", + "cogl_tex_coord4_in", + "cogl_tex_coord5_in", + "cogl_tex_coord6_in", + "cogl_tex_coord7_in" + }; + char *name; + + /* XXX NB: + * Our journal's vertex data is arranged as follows: + * 4 vertices per quad: + * 2 or 3 floats per position (3 when doing software transforms) + * 4 RGBA bytes, + * 2 floats per tex coord * n_layers + * (though n_layers may be padded; see definition of + * GET_JOURNAL_VB_STRIDE_FOR_N_LAYERS for details) + */ + name = layer_number < 8 ? (char *)names[layer_number] : + g_strdup_printf ("cogl_tex_coord%d_in", layer_number); + + /* XXX: it may be worth having some form of static initializer for + * attributes... */ + *attribute_entry = + cogl_attribute_new (flush_state->attribute_buffer, + name, + flush_state->stride, + flush_state->array_offset + + (POS_STRIDE + COLOR_STRIDE) * 4 + + TEX_STRIDE * 4 * state->current, + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + + if (layer_number >= 8) + g_free (name); + + state->current++; + + return TRUE; +} + +/* Since the stride may not reflect the number of texture layers in use + * (due to padding) we deal with texture coordinate offsets separately + * from vertex and color offsets... */ +static void +_cogl_journal_flush_texcoord_vbo_offsets_and_entries ( + CoglJournalEntry *batch_start, + int batch_len, + void *data) +{ + CoglJournalFlushState *state = data; + CreateAttributeState create_attrib_state; + int i; + COGL_STATIC_TIMER (time_flush_texcoord_pipeline_entries, + "flush: vbo+texcoords+pipeline+entries", /* parent */ + "flush: texcoords+pipeline+entries", + "The time spent flushing texcoord offsets + pipeline " + "+ entries", + 0 /* no application private data */); + + COGL_TIMER_START (_cogl_uprof_context, time_flush_texcoord_pipeline_entries); + + /* NB: attributes 0 and 1 are position and color */ + + for (i = 2; i < state->attributes->len; i++) + cogl_object_unref (g_array_index (state->attributes, CoglAttribute *, i)); + + g_array_set_size (state->attributes, batch_start->n_layers + 2); + + create_attrib_state.current = 0; + create_attrib_state.flush_state = state; + + cogl_pipeline_foreach_layer (batch_start->pipeline, + create_attribute_cb, + &create_attrib_state); + + batch_and_call (batch_start, + batch_len, + compare_entry_pipelines, + _cogl_journal_flush_pipeline_and_entries, + data); + COGL_TIMER_STOP (_cogl_uprof_context, time_flush_texcoord_pipeline_entries); +} + +static CoglBool +compare_entry_layer_numbers (CoglJournalEntry *entry0, CoglJournalEntry *entry1) +{ + if (_cogl_pipeline_layer_numbers_equal (entry0->pipeline, entry1->pipeline)) + return TRUE; + else + return FALSE; +} + +/* At this point we know the stride has changed from the previous batch + * of journal entries */ +static void +_cogl_journal_flush_vbo_offsets_and_entries (CoglJournalEntry *batch_start, + int batch_len, + void *data) +{ + CoglJournalFlushState *state = data; + CoglContext *ctx = state->journal->framebuffer->context; + size_t stride; + int i; + CoglAttribute **attribute_entry; + COGL_STATIC_TIMER (time_flush_vbo_texcoord_pipeline_entries, + "flush: clip+vbo+texcoords+pipeline+entries", /* parent */ + "flush: vbo+texcoords+pipeline+entries", + "The time spent flushing vbo + texcoord offsets + " + "pipeline + entries", + 0 /* no application private data */); + + COGL_TIMER_START (_cogl_uprof_context, + time_flush_vbo_texcoord_pipeline_entries); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_BATCHING))) + g_print ("BATCHING: vbo offset batch len = %d\n", batch_len); + + /* XXX NB: + * Our journal's vertex data is arranged as follows: + * 4 vertices per quad: + * 2 or 3 GLfloats per position (3 when doing software transforms) + * 4 RGBA GLubytes, + * 2 GLfloats per tex coord * n_layers + * (though n_layers may be padded; see definition of + * GET_JOURNAL_VB_STRIDE_FOR_N_LAYERS for details) + */ + stride = GET_JOURNAL_VB_STRIDE_FOR_N_LAYERS (batch_start->n_layers); + stride *= sizeof (float); + state->stride = stride; + + for (i = 0; i < state->attributes->len; i++) + cogl_object_unref (g_array_index (state->attributes, CoglAttribute *, i)); + + g_array_set_size (state->attributes, 2); + + attribute_entry = &g_array_index (state->attributes, CoglAttribute *, 0); + *attribute_entry = cogl_attribute_new (state->attribute_buffer, + "cogl_position_in", + stride, + state->array_offset, + N_POS_COMPONENTS, + COGL_ATTRIBUTE_TYPE_FLOAT); + + attribute_entry = &g_array_index (state->attributes, CoglAttribute *, 1); + *attribute_entry = + cogl_attribute_new (state->attribute_buffer, + "cogl_color_in", + stride, + state->array_offset + (POS_STRIDE * 4), + 4, + COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE); + + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_QUADS)) + state->indices = cogl_get_rectangle_indices (ctx, batch_len); + + /* We only create new Attributes when the stride within the + * AttributeBuffer changes. (due to a change in the number of pipeline + * layers) While the stride remains constant we walk forward through + * the above AttributeBuffer using a vertex offset passed to + * cogl_draw_attributes + */ + state->current_vertex = 0; + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_JOURNAL))) + { + uint8_t *verts; + + /* Mapping a buffer for read is probably a really bad thing to + do but this will only happen during debugging so it probably + doesn't matter */ + verts = ((uint8_t *)_cogl_buffer_map (COGL_BUFFER (state->attribute_buffer), + COGL_BUFFER_ACCESS_READ, 0, + NULL) + + state->array_offset); + + _cogl_journal_dump_quad_batch (verts, + batch_start->n_layers, + batch_len); + + cogl_buffer_unmap (COGL_BUFFER (state->attribute_buffer)); + } + + batch_and_call (batch_start, + batch_len, + compare_entry_layer_numbers, + _cogl_journal_flush_texcoord_vbo_offsets_and_entries, + data); + + /* progress forward through the VBO containing all our vertices */ + state->array_offset += (stride * 4 * batch_len); + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_JOURNAL))) + g_print ("new vbo offset = %lu\n", (unsigned long)state->array_offset); + + COGL_TIMER_STOP (_cogl_uprof_context, + time_flush_vbo_texcoord_pipeline_entries); +} + +static CoglBool +compare_entry_strides (CoglJournalEntry *entry0, CoglJournalEntry *entry1) +{ + /* Currently the only thing that affects the stride for our vertex arrays + * is the number of pipeline layers. We need to update our VBO offsets + * whenever the stride changes. */ + /* TODO: We should be padding the n_layers == 1 case as if it were + * n_layers == 2 so we can reduce the need to split batches. */ + if (entry0->n_layers == entry1->n_layers || + (entry0->n_layers <= MIN_LAYER_PADING && + entry1->n_layers <= MIN_LAYER_PADING)) + return TRUE; + else + return FALSE; +} + +/* At this point we know the batch has a unique clip stack */ +static void +_cogl_journal_flush_clip_stacks_and_entries (CoglJournalEntry *batch_start, + int batch_len, + void *data) +{ + CoglJournalFlushState *state = data; + CoglFramebuffer *framebuffer = state->journal->framebuffer; + CoglContext *ctx = framebuffer->context; + CoglMatrixStack *projection_stack; + + COGL_STATIC_TIMER (time_flush_clip_stack_pipeline_entries, + "Journal Flush", /* parent */ + "flush: clip+vbo+texcoords+pipeline+entries", + "The time spent flushing clip + vbo + texcoord offsets + " + "pipeline + entries", + 0 /* no application private data */); + + COGL_TIMER_START (_cogl_uprof_context, + time_flush_clip_stack_pipeline_entries); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_BATCHING))) + g_print ("BATCHING: clip stack batch len = %d\n", batch_len); + + _cogl_clip_stack_flush (batch_start->clip_stack, framebuffer); + + /* XXX: Because we are manually flushing clip state here we need to + * make sure that the clip state gets updated the next time we flush + * framebuffer state by marking the current framebuffer's clip state + * as changed. */ + ctx->current_draw_buffer_changes |= COGL_FRAMEBUFFER_STATE_CLIP; + + /* If we have transformed all our quads at log time then we ensure + * no further model transform is applied by loading the identity + * matrix here. We need to do this after flushing the clip stack + * because the clip stack flushing code can modify the current + * modelview matrix entry */ + if (G_LIKELY (!(COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM)))) + _cogl_context_set_current_modelview_entry (ctx, &ctx->identity_entry); + + /* Setting up the clip state can sometimes also update the current + * projection matrix entry so we should update it again. This will have + * no affect if the clip code didn't modify the projection */ + projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + _cogl_context_set_current_projection_entry (ctx, + projection_stack->last_entry); + + batch_and_call (batch_start, + batch_len, + compare_entry_strides, + _cogl_journal_flush_vbo_offsets_and_entries, /* callback */ + data); + + COGL_TIMER_STOP (_cogl_uprof_context, + time_flush_clip_stack_pipeline_entries); +} + +typedef struct +{ + float x_1, y_1; + float x_2, y_2; +} ClipBounds; + +static CoglBool +can_software_clip_entry (CoglJournalEntry *journal_entry, + CoglJournalEntry *prev_journal_entry, + CoglClipStack *clip_stack, + ClipBounds *clip_bounds_out) +{ + CoglPipeline *pipeline = journal_entry->pipeline; + CoglClipStack *clip_entry; + int layer_num; + + clip_bounds_out->x_1 = -G_MAXFLOAT; + clip_bounds_out->y_1 = -G_MAXFLOAT; + clip_bounds_out->x_2 = G_MAXFLOAT; + clip_bounds_out->y_2 = G_MAXFLOAT; + + /* Check the pipeline is usable. We can short-cut here for + entries using the same pipeline as the previous entry */ + if (prev_journal_entry == NULL || pipeline != prev_journal_entry->pipeline) + { + /* If the pipeline has a user program then we can't reliably modify + the texture coordinates */ + if (cogl_pipeline_get_user_program (pipeline)) + return FALSE; + + /* If any of the pipeline layers have a texture matrix then we can't + reliably modify the texture coordinates */ + for (layer_num = cogl_pipeline_get_n_layers (pipeline) - 1; + layer_num >= 0; + layer_num--) + if (_cogl_pipeline_layer_has_user_matrix (pipeline, layer_num)) + return FALSE; + } + + /* Now we need to verify that each clip entry's matrix is just a + translation of the journal entry's modelview matrix. We can + also work out the bounds of the clip in modelview space using + this translation */ + for (clip_entry = clip_stack; clip_entry; clip_entry = clip_entry->parent) + { + float rect_x1, rect_y1, rect_x2, rect_y2; + CoglClipStackRect *clip_rect; + float tx, ty, tz; + CoglMatrixEntry *modelview_entry; + + clip_rect = (CoglClipStackRect *) clip_entry; + + modelview_entry = journal_entry->modelview_entry; + if (!cogl_matrix_entry_calculate_translation (clip_rect->matrix_entry, + modelview_entry, + &tx, &ty, &tz)) + return FALSE; + + if (clip_rect->x0 < clip_rect->x1) + { + rect_x1 = clip_rect->x0; + rect_x2 = clip_rect->x1; + } + else + { + rect_x1 = clip_rect->x1; + rect_x2 = clip_rect->x0; + } + if (clip_rect->y0 < clip_rect->y1) + { + rect_y1 = clip_rect->y0; + rect_y2 = clip_rect->y1; + } + else + { + rect_y1 = clip_rect->y1; + rect_y2 = clip_rect->y0; + } + + clip_bounds_out->x_1 = MAX (clip_bounds_out->x_1, rect_x1 - tx); + clip_bounds_out->y_1 = MAX (clip_bounds_out->y_1, rect_y1 - ty); + clip_bounds_out->x_2 = MIN (clip_bounds_out->x_2, rect_x2 - tx); + clip_bounds_out->y_2 = MIN (clip_bounds_out->y_2, rect_y2 - ty); + } + + if (clip_bounds_out->x_2 <= clip_bounds_out->x_1 || + clip_bounds_out->y_2 <= clip_bounds_out->y_1) + memset (clip_bounds_out, 0, sizeof (ClipBounds)); + + return TRUE; +} + +static void +software_clip_entry (CoglJournalEntry *journal_entry, + float *verts, + ClipBounds *clip_bounds) +{ + size_t stride = + GET_JOURNAL_ARRAY_STRIDE_FOR_N_LAYERS (journal_entry->n_layers); + float rx1, ry1, rx2, ry2; + float vx1, vy1, vx2, vy2; + int layer_num; + + /* Remove the clip on the entry */ + _cogl_clip_stack_unref (journal_entry->clip_stack); + journal_entry->clip_stack = NULL; + + vx1 = verts[0]; + vy1 = verts[1]; + vx2 = verts[stride]; + vy2 = verts[stride + 1]; + + if (vx1 < vx2) + { + rx1 = vx1; + rx2 = vx2; + } + else + { + rx1 = vx2; + rx2 = vx1; + } + if (vy1 < vy2) + { + ry1 = vy1; + ry2 = vy2; + } + else + { + ry1 = vy2; + ry2 = vy1; + } + + rx1 = CLAMP (rx1, clip_bounds->x_1, clip_bounds->x_2); + ry1 = CLAMP (ry1, clip_bounds->y_1, clip_bounds->y_2); + rx2 = CLAMP (rx2, clip_bounds->x_1, clip_bounds->x_2); + ry2 = CLAMP (ry2, clip_bounds->y_1, clip_bounds->y_2); + + /* Check if the rectangle intersects the clip at all */ + if (rx1 == rx2 || ry1 == ry2) + /* Will set all of the vertex data to 0 in the hope that this + will create a degenerate rectangle and the GL driver will + be able to clip it quickly */ + memset (verts, 0, sizeof (float) * stride * 2); + else + { + if (vx1 > vx2) + { + float t = rx1; + rx1 = rx2; + rx2 = t; + } + if (vy1 > vy2) + { + float t = ry1; + ry1 = ry2; + ry2 = t; + } + + verts[0] = rx1; + verts[1] = ry1; + verts[stride] = rx2; + verts[stride + 1] = ry2; + + /* Convert the rectangle coordinates to a fraction of the original + rectangle */ + rx1 = (rx1 - vx1) / (vx2 - vx1); + ry1 = (ry1 - vy1) / (vy2 - vy1); + rx2 = (rx2 - vx1) / (vx2 - vx1); + ry2 = (ry2 - vy1) / (vy2 - vy1); + + for (layer_num = 0; layer_num < journal_entry->n_layers; layer_num++) + { + float *t = verts + 2 + 2 * layer_num; + float tx1 = t[0], ty1 = t[1]; + float tx2 = t[stride], ty2 = t[stride + 1]; + t[0] = rx1 * (tx2 - tx1) + tx1; + t[1] = ry1 * (ty2 - ty1) + ty1; + t[stride] = rx2 * (tx2 - tx1) + tx1; + t[stride + 1] = ry2 * (ty2 - ty1) + ty1; + } + } +} + +static void +maybe_software_clip_entries (CoglJournalEntry *batch_start, + int batch_len, + CoglJournalFlushState *state) +{ + CoglContext *ctx; + CoglJournal *journal; + CoglClipStack *clip_stack, *clip_entry; + int entry_num; + + /* This tries to find cases where the entry is logged with a clip + but it would be faster to modify the vertex and texture + coordinates rather than flush the clip so that it can batch + better */ + + /* If the batch is reasonably long then it's worthwhile programming + the GPU to do the clip */ + if (batch_len >= COGL_JOURNAL_HARDWARE_CLIP_THRESHOLD) + return; + + clip_stack = batch_start->clip_stack; + + if (clip_stack == NULL) + return; + + /* Verify that all of the clip stack entries are a simple rectangle + clip */ + for (clip_entry = clip_stack; clip_entry; clip_entry = clip_entry->parent) + if (clip_entry->type != COGL_CLIP_STACK_RECT) + return; + + ctx = state->ctx; + journal = state->journal; + + /* This scratch buffer is used to store the translation for each + entry in the journal. We store it in a separate buffer because + it's expensive to calculate but at this point we still don't know + whether we can clip all of the entries so we don't want to do the + rest of the dependant calculations until we're sure we can. */ + if (ctx->journal_clip_bounds == NULL) + ctx->journal_clip_bounds = g_array_new (FALSE, FALSE, sizeof (ClipBounds)); + g_array_set_size (ctx->journal_clip_bounds, batch_len); + + for (entry_num = 0; entry_num < batch_len; entry_num++) + { + CoglJournalEntry *journal_entry = batch_start + entry_num; + CoglJournalEntry *prev_journal_entry = + entry_num ? batch_start + (entry_num - 1) : NULL; + ClipBounds *clip_bounds = &g_array_index (ctx->journal_clip_bounds, + ClipBounds, entry_num); + + if (!can_software_clip_entry (journal_entry, prev_journal_entry, + clip_stack, + clip_bounds)) + return; + } + + /* If we make it here then we know we can software clip the entire batch */ + + COGL_NOTE (CLIPPING, "Software clipping a batch of length %i", batch_len); + + for (entry_num = 0; entry_num < batch_len; entry_num++) + { + CoglJournalEntry *journal_entry = batch_start + entry_num; + float *verts = &g_array_index (journal->vertices, float, + journal_entry->array_offset + 1); + ClipBounds *clip_bounds = &g_array_index (ctx->journal_clip_bounds, + ClipBounds, entry_num); + + software_clip_entry (journal_entry, verts, clip_bounds); + } + + return; +} + +static void +_cogl_journal_maybe_software_clip_entries (CoglJournalEntry *batch_start, + int batch_len, + void *data) +{ + CoglJournalFlushState *state = data; + + COGL_STATIC_TIMER (time_check_software_clip, + "Journal Flush", /* parent */ + "flush: software clipping", + "Time spent software clipping", + 0 /* no application private data */); + + COGL_TIMER_START (_cogl_uprof_context, + time_check_software_clip); + + maybe_software_clip_entries (batch_start, batch_len, state); + + COGL_TIMER_STOP (_cogl_uprof_context, + time_check_software_clip); +} + +static CoglBool +compare_entry_clip_stacks (CoglJournalEntry *entry0, CoglJournalEntry *entry1) +{ + return entry0->clip_stack == entry1->clip_stack; +} + +/* Gets a new vertex array from the pool. A reference is taken on the + array so it can be treated as if it was just newly allocated */ +static CoglAttributeBuffer * +create_attribute_buffer (CoglJournal *journal, + size_t n_bytes) +{ + CoglAttributeBuffer *vbo; + CoglContext *ctx = journal->framebuffer->context; + + /* If CoglBuffers are being emulated with malloc then there's not + really any point in using the pool so we'll just allocate the + buffer directly */ + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_VBOS)) + return cogl_attribute_buffer_new_with_size (ctx, n_bytes); + + vbo = journal->vbo_pool[journal->next_vbo_in_pool]; + + if (vbo == NULL) + { + vbo = cogl_attribute_buffer_new_with_size (ctx, n_bytes); + journal->vbo_pool[journal->next_vbo_in_pool] = vbo; + } + else if (cogl_buffer_get_size (COGL_BUFFER (vbo)) < n_bytes) + { + /* If the buffer is too small then we'll just recreate it */ + cogl_object_unref (vbo); + vbo = cogl_attribute_buffer_new_with_size (ctx, n_bytes); + journal->vbo_pool[journal->next_vbo_in_pool] = vbo; + } + + journal->next_vbo_in_pool = ((journal->next_vbo_in_pool + 1) % + COGL_JOURNAL_VBO_POOL_SIZE); + + return cogl_object_ref (vbo); +} + +static CoglAttributeBuffer * +upload_vertices (CoglJournal *journal, + const CoglJournalEntry *entries, + int n_entries, + size_t needed_vbo_len, + GArray *vertices) +{ + CoglAttributeBuffer *attribute_buffer; + CoglBuffer *buffer; + const float *vin; + float *vout; + int entry_num; + int i; + CoglMatrixEntry *last_modelview_entry = NULL; + CoglMatrix modelview; + + g_assert (needed_vbo_len); + + attribute_buffer = create_attribute_buffer (journal, needed_vbo_len * 4); + buffer = COGL_BUFFER (attribute_buffer); + cogl_buffer_set_update_hint (buffer, COGL_BUFFER_UPDATE_HINT_STATIC); + + vout = _cogl_buffer_map_range_for_fill_or_fallback (buffer, + 0, /* offset */ + needed_vbo_len * 4); + vin = &g_array_index (vertices, float, 0); + + /* Expand the number of vertices from 2 to 4 while uploading */ + for (entry_num = 0; entry_num < n_entries; entry_num++) + { + const CoglJournalEntry *entry = entries + entry_num; + size_t vb_stride = GET_JOURNAL_VB_STRIDE_FOR_N_LAYERS (entry->n_layers); + size_t array_stride = + GET_JOURNAL_ARRAY_STRIDE_FOR_N_LAYERS (entry->n_layers); + + /* Copy the color to all four of the vertices */ + for (i = 0; i < 4; i++) + memcpy (vout + vb_stride * i + POS_STRIDE, vin, 4); + vin++; + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM))) + { + vout[vb_stride * 0] = vin[0]; + vout[vb_stride * 0 + 1] = vin[1]; + vout[vb_stride * 1] = vin[0]; + vout[vb_stride * 1 + 1] = vin[array_stride + 1]; + vout[vb_stride * 2] = vin[array_stride]; + vout[vb_stride * 2 + 1] = vin[array_stride + 1]; + vout[vb_stride * 3] = vin[array_stride]; + vout[vb_stride * 3 + 1] = vin[1]; + } + else + { + float v[8]; + + v[0] = vin[0]; + v[1] = vin[1]; + v[2] = vin[0]; + v[3] = vin[array_stride + 1]; + v[4] = vin[array_stride]; + v[5] = vin[array_stride + 1]; + v[6] = vin[array_stride]; + v[7] = vin[1]; + + if (entry->modelview_entry != last_modelview_entry) + cogl_matrix_entry_get (entry->modelview_entry, &modelview); + cogl_matrix_transform_points (&modelview, + 2, /* n_components */ + sizeof (float) * 2, /* stride_in */ + v, /* points_in */ + /* strideout */ + vb_stride * sizeof (float), + vout, /* points_out */ + 4 /* n_points */); + } + + for (i = 0; i < entry->n_layers; i++) + { + const float *tin = vin + 2; + float *tout = vout + POS_STRIDE + COLOR_STRIDE; + + tout[vb_stride * 0 + i * 2] = tin[i * 2]; + tout[vb_stride * 0 + 1 + i * 2] = tin[i * 2 + 1]; + tout[vb_stride * 1 + i * 2] = tin[i * 2]; + tout[vb_stride * 1 + 1 + i * 2] = tin[array_stride + i * 2 + 1]; + tout[vb_stride * 2 + i * 2] = tin[array_stride + i * 2]; + tout[vb_stride * 2 + 1 + i * 2] = tin[array_stride + i * 2 + 1]; + tout[vb_stride * 3 + i * 2] = tin[array_stride + i * 2]; + tout[vb_stride * 3 + 1 + i * 2] = tin[i * 2 + 1]; + } + + vin += array_stride * 2; + vout += vb_stride * 4; + } + + _cogl_buffer_unmap_for_fill_or_fallback (buffer); + + return attribute_buffer; +} + +void +_cogl_journal_discard (CoglJournal *journal) +{ + int i; + + if (journal->entries->len <= 0) + return; + + for (i = 0; i < journal->entries->len; i++) + { + CoglJournalEntry *entry = + &g_array_index (journal->entries, CoglJournalEntry, i); + _cogl_pipeline_journal_unref (entry->pipeline); + cogl_matrix_entry_unref (entry->modelview_entry); + _cogl_clip_stack_unref (entry->clip_stack); + } + + g_array_set_size (journal->entries, 0); + g_array_set_size (journal->vertices, 0); + journal->needed_vbo_len = 0; + journal->fast_read_pixel_count = 0; + + /* The journal only holds a reference to the framebuffer while the + journal is not empty */ + cogl_object_unref (journal->framebuffer); +} + +/* Note: A return value of FALSE doesn't mean 'no' it means + * 'unknown' */ +CoglBool +_cogl_journal_all_entries_within_bounds (CoglJournal *journal, + float clip_x0, + float clip_y0, + float clip_x1, + float clip_y1) +{ + CoglJournalEntry *entry = (CoglJournalEntry *)journal->entries->data; + CoglClipStack *clip_entry; + CoglClipStack *reference = NULL; + int bounds_x0; + int bounds_y0; + int bounds_x1; + int bounds_y1; + int i; + + if (journal->entries->len == 0) + return TRUE; + + /* Find the shortest clip_stack ancestry that leaves us in the + * required bounds */ + for (clip_entry = entry->clip_stack; + clip_entry; + clip_entry = clip_entry->parent) + { + _cogl_clip_stack_get_bounds (clip_entry, + &bounds_x0, &bounds_y0, + &bounds_x1, &bounds_y1); + + if (bounds_x0 >= clip_x0 && bounds_y0 >= clip_y0 && + bounds_x1 <= clip_x1 && bounds_y1 <= clip_y1) + reference = clip_entry; + else + break; + } + + if (!reference) + return FALSE; + + /* For the remaining journal entries we will only verify they share + * 'reference' as an ancestor in their clip stack since that's + * enough to know that they would be within the required bounds. + */ + for (i = 1; i < journal->entries->len; i++) + { + CoglBool found_reference = FALSE; + entry = &g_array_index (journal->entries, CoglJournalEntry, i); + + for (clip_entry = entry->clip_stack; + clip_entry; + clip_entry = clip_entry->parent) + { + if (clip_entry == reference) + { + found_reference = TRUE; + break; + } + } + + if (!found_reference) + return FALSE; + } + + return TRUE; +} + +static void +post_fences (CoglJournal *journal) +{ + CoglFenceClosure *fence, *tmp; + + _cogl_list_for_each_safe (fence, tmp, &journal->pending_fences, link) + { + _cogl_list_remove (&fence->link); + _cogl_fence_submit (fence); + } +} + +/* XXX NB: When _cogl_journal_flush() returns all state relating + * to pipelines, all glEnable flags and current matrix state + * is undefined. + */ +void +_cogl_journal_flush (CoglJournal *journal) +{ + CoglFramebuffer *framebuffer; + CoglContext *ctx; + CoglJournalFlushState state; + int i; + COGL_STATIC_TIMER (flush_timer, + "Mainloop", /* parent */ + "Journal Flush", + "The time spent flushing the Cogl journal", + 0 /* no application private data */); + COGL_STATIC_TIMER (discard_timer, + "Journal Flush", /* parent */ + "flush: discard", + "The time spent discarding the Cogl journal after a flush", + 0 /* no application private data */); + + if (journal->entries->len == 0) + { + post_fences (journal); + return; + } + + framebuffer = journal->framebuffer; + ctx = framebuffer->context; + + /* The entries in this journal may depend on images in other + * framebuffers which may require that we flush the journals + * associated with those framebuffers before we can flush + * this journal... */ + _cogl_framebuffer_flush_dependency_journals (framebuffer); + + /* Note: we start the timer after flushing dependency journals so + * that the timer isn't started recursively. */ + COGL_TIMER_START (_cogl_uprof_context, flush_timer); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_BATCHING))) + g_print ("BATCHING: journal len = %d\n", journal->entries->len); + + /* NB: the journal deals with flushing the modelview stack and clip + state manually */ + _cogl_framebuffer_flush_state (framebuffer, + framebuffer, + COGL_FRAMEBUFFER_STATE_ALL & + ~(COGL_FRAMEBUFFER_STATE_MODELVIEW | + COGL_FRAMEBUFFER_STATE_CLIP)); + + /* We need to mark the current modelview state of the framebuffer as + * dirty because we are going to manually replace it */ + ctx->current_draw_buffer_changes |= COGL_FRAMEBUFFER_STATE_MODELVIEW; + + state.ctx = ctx; + state.journal = journal; + + state.attributes = ctx->journal_flush_attributes_array; + + if (G_UNLIKELY ((COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_SOFTWARE_CLIP)) == 0)) + { + /* We do an initial walk of the journal to analyse the clip stack + batches to see if we can do software clipping. We do this as a + separate walk of the journal because we can modify entries and + this may end up joining together clip stack batches in the next + iteration. */ + batch_and_call ((CoglJournalEntry *)journal->entries->data, /* first entry */ + journal->entries->len, /* max number of entries to consider */ + compare_entry_clip_stacks, + _cogl_journal_maybe_software_clip_entries, /* callback */ + &state); /* data */ + } + + /* We upload the vertices after the clip stack pass in case it + modifies the entries */ + state.attribute_buffer = + upload_vertices (journal, + &g_array_index (journal->entries, CoglJournalEntry, 0), + journal->entries->len, + journal->needed_vbo_len, + journal->vertices); + state.array_offset = 0; + + /* batch_and_call() batches a list of journal entries according to some + * given criteria and calls a callback once for each determined batch. + * + * The process of flushing the journal is staggered to reduce the amount + * of driver/GPU state changes necessary: + * 1) We split the entries according to the clip state. + * 2) We split the entries according to the stride of the vertices: + * Each time the stride of our vertex data changes we need to call + * gl{Vertex,Color}Pointer to inform GL of new VBO offsets. + * Currently the only thing that affects the stride of our vertex data + * is the number of pipeline layers. + * 3) We split the entries explicitly by the number of pipeline layers: + * We pad our vertex data when the number of layers is < 2 so that we + * can minimize changes in stride. Each time the number of layers + * changes we need to call glTexCoordPointer to inform GL of new VBO + * offsets. + * 4) We then split according to compatible Cogl pipelines: + * This is where we flush pipeline state + * 5) Finally we split according to modelview matrix changes: + * This is when we finally tell GL to draw something. + * Note: Splitting by modelview changes is skipped when are doing the + * vertex transformation in software at log time. + */ + batch_and_call ((CoglJournalEntry *)journal->entries->data, /* first entry */ + journal->entries->len, /* max number of entries to consider */ + compare_entry_clip_stacks, + _cogl_journal_flush_clip_stacks_and_entries, /* callback */ + &state); /* data */ + + for (i = 0; i < state.attributes->len; i++) + cogl_object_unref (g_array_index (state.attributes, CoglAttribute *, i)); + g_array_set_size (state.attributes, 0); + + cogl_object_unref (state.attribute_buffer); + + COGL_TIMER_START (_cogl_uprof_context, discard_timer); + _cogl_journal_discard (journal); + COGL_TIMER_STOP (_cogl_uprof_context, discard_timer); + + post_fences (journal); + + COGL_TIMER_STOP (_cogl_uprof_context, flush_timer); +} + +static CoglBool +add_framebuffer_deps_cb (CoglPipelineLayer *layer, void *user_data) +{ + CoglFramebuffer *framebuffer = user_data; + CoglTexture *texture = _cogl_pipeline_layer_get_texture_real (layer); + const GList *l; + + if (!texture) + return TRUE; + + for (l = _cogl_texture_get_associated_framebuffers (texture); l; l = l->next) + _cogl_framebuffer_add_dependency (framebuffer, l->data); + + return TRUE; +} + +void +_cogl_journal_log_quad (CoglJournal *journal, + const float *position, + CoglPipeline *pipeline, + int n_layers, + CoglTexture *layer0_override_texture, + const float *tex_coords, + unsigned int tex_coords_len) +{ + CoglFramebuffer *framebuffer = journal->framebuffer; + size_t stride; + int next_vert; + float *v; + int i; + int next_entry; + uint32_t disable_layers; + CoglJournalEntry *entry; + CoglPipeline *final_pipeline; + CoglClipStack *clip_stack; + CoglPipelineFlushOptions flush_options; + CoglMatrixStack *modelview_stack; + COGL_STATIC_TIMER (log_timer, + "Mainloop", /* parent */ + "Journal Log", + "The time spent logging in the Cogl journal", + 0 /* no application private data */); + + COGL_TIMER_START (_cogl_uprof_context, log_timer); + + /* Adding something to the journal should mean that we are in the + * middle of the scene. Although this will also end up being set + * when the journal is actually flushed, we set it here explicitly + * so that we will know sooner */ + _cogl_framebuffer_mark_mid_scene (framebuffer); + + /* If the framebuffer was previously empty then we'll take a + reference to the current framebuffer. This reference will be + removed when the journal is flushed */ + if (journal->vertices->len == 0) + cogl_object_ref (framebuffer); + + /* The vertex data is logged into a separate array. The data needs + to be copied into a vertex array before it's given to GL so we + only store two vertices per quad and expand it to four while + uploading. */ + + /* XXX: See definition of GET_JOURNAL_ARRAY_STRIDE_FOR_N_LAYERS for details + * about how we pack our vertex data */ + stride = GET_JOURNAL_ARRAY_STRIDE_FOR_N_LAYERS (n_layers); + + next_vert = journal->vertices->len; + g_array_set_size (journal->vertices, next_vert + 2 * stride + 1); + v = &g_array_index (journal->vertices, float, next_vert); + + /* We calculate the needed size of the vbo as we go because it + depends on the number of layers in each entry and it's not easy + calculate based on the length of the logged vertices array */ + journal->needed_vbo_len += GET_JOURNAL_VB_STRIDE_FOR_N_LAYERS (n_layers) * 4; + + /* XXX: All the jumping around to fill in this strided buffer doesn't + * seem ideal. */ + + /* FIXME: This is a hacky optimization, since it will break if we + * change the definition of CoglColor: */ + _cogl_pipeline_get_colorubv (pipeline, (uint8_t *) v); + v++; + + memcpy (v, position, sizeof (float) * 2); + memcpy (v + stride, position + 2, sizeof (float) * 2); + + for (i = 0; i < n_layers; i++) + { + /* XXX: See definition of GET_JOURNAL_ARRAY_STRIDE_FOR_N_LAYERS + * for details about how we pack our vertex data */ + GLfloat *t = v + 2 + i * 2; + + memcpy (t, tex_coords + i * 4, sizeof (float) * 2); + memcpy (t + stride, tex_coords + i * 4 + 2, sizeof (float) * 2); + } + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_JOURNAL))) + { + g_print ("Logged new quad:\n"); + v = &g_array_index (journal->vertices, float, next_vert); + _cogl_journal_dump_logged_quad ((uint8_t *)v, n_layers); + } + + next_entry = journal->entries->len; + g_array_set_size (journal->entries, next_entry + 1); + entry = &g_array_index (journal->entries, CoglJournalEntry, next_entry); + + entry->n_layers = n_layers; + entry->array_offset = next_vert; + + final_pipeline = pipeline; + + flush_options.flags = 0; + if (G_UNLIKELY (cogl_pipeline_get_n_layers (pipeline) != n_layers)) + { + disable_layers = (1 << n_layers) - 1; + disable_layers = ~disable_layers; + flush_options.disable_layers = disable_layers; + flush_options.flags |= COGL_PIPELINE_FLUSH_DISABLE_MASK; + } + if (G_UNLIKELY (layer0_override_texture)) + { + flush_options.flags |= COGL_PIPELINE_FLUSH_LAYER0_OVERRIDE; + flush_options.layer0_override_texture = layer0_override_texture; + } + + if (G_UNLIKELY (flush_options.flags)) + { + final_pipeline = cogl_pipeline_copy (pipeline); + _cogl_pipeline_apply_overrides (final_pipeline, &flush_options); + } + + entry->pipeline = _cogl_pipeline_journal_ref (final_pipeline); + + clip_stack = _cogl_framebuffer_get_clip_stack (framebuffer); + entry->clip_stack = _cogl_clip_stack_ref (clip_stack); + + if (G_UNLIKELY (final_pipeline != pipeline)) + cogl_object_unref (final_pipeline); + + modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + entry->modelview_entry = cogl_matrix_entry_ref (modelview_stack->last_entry); + + _cogl_pipeline_foreach_layer_internal (pipeline, + add_framebuffer_deps_cb, + framebuffer); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_BATCHING))) + _cogl_journal_flush (journal); + + COGL_TIMER_STOP (_cogl_uprof_context, log_timer); +} + +static void +entry_to_screen_polygon (CoglFramebuffer *framebuffer, + const CoglJournalEntry *entry, + float *vertices, + float *poly) +{ + size_t array_stride = + GET_JOURNAL_ARRAY_STRIDE_FOR_N_LAYERS (entry->n_layers); + CoglMatrixStack *projection_stack; + CoglMatrix projection; + CoglMatrix modelview; + int i; + float viewport[4]; + + poly[0] = vertices[0]; + poly[1] = vertices[1]; + poly[2] = 0; + poly[3] = 1; + + poly[4] = vertices[0]; + poly[5] = vertices[array_stride + 1]; + poly[6] = 0; + poly[7] = 1; + + poly[8] = vertices[array_stride]; + poly[9] = vertices[array_stride + 1]; + poly[10] = 0; + poly[11] = 1; + + poly[12] = vertices[array_stride]; + poly[13] = vertices[1]; + poly[14] = 0; + poly[15] = 1; + + /* TODO: perhaps split the following out into a more generalized + * _cogl_transform_points utility... + */ + + cogl_matrix_entry_get (entry->modelview_entry, &modelview); + cogl_matrix_transform_points (&modelview, + 2, /* n_components */ + sizeof (float) * 4, /* stride_in */ + poly, /* points_in */ + /* strideout */ + sizeof (float) * 4, + poly, /* points_out */ + 4 /* n_points */); + + projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + cogl_matrix_stack_get (projection_stack, &projection); + + cogl_matrix_project_points (&projection, + 3, /* n_components */ + sizeof (float) * 4, /* stride_in */ + poly, /* points_in */ + /* strideout */ + sizeof (float) * 4, + poly, /* points_out */ + 4 /* n_points */); + + cogl_framebuffer_get_viewport4fv (framebuffer, viewport); + +/* Scale from OpenGL normalized device coordinates (ranging from -1 to 1) + * to Cogl window/framebuffer coordinates (ranging from 0 to buffer-size) with + * (0,0) being top left. */ +#define VIEWPORT_TRANSFORM_X(x, vp_origin_x, vp_width) \ + ( ( ((x) + 1.0) * ((vp_width) / 2.0) ) + (vp_origin_x) ) +/* Note: for Y we first flip all coordinates around the X axis while in + * normalized device coodinates */ +#define VIEWPORT_TRANSFORM_Y(y, vp_origin_y, vp_height) \ + ( ( ((-(y)) + 1.0) * ((vp_height) / 2.0) ) + (vp_origin_y) ) + + /* Scale from normalized device coordinates (in range [-1,1]) to + * window coordinates ranging [0,window-size] ... */ + for (i = 0; i < 4; i++) + { + float w = poly[4 * i + 3]; + + /* Perform perspective division */ + poly[4 * i] /= w; + poly[4 * i + 1] /= w; + + /* Apply viewport transform */ + poly[4 * i] = VIEWPORT_TRANSFORM_X (poly[4 * i], + viewport[0], viewport[2]); + poly[4 * i + 1] = VIEWPORT_TRANSFORM_Y (poly[4 * i + 1], + viewport[1], viewport[3]); + } + +#undef VIEWPORT_TRANSFORM_X +#undef VIEWPORT_TRANSFORM_Y +} + +static CoglBool +try_checking_point_hits_entry_after_clipping (CoglFramebuffer *framebuffer, + CoglJournalEntry *entry, + float *vertices, + float x, + float y, + CoglBool *hit) +{ + CoglBool can_software_clip = TRUE; + CoglBool needs_software_clip = FALSE; + CoglClipStack *clip_entry; + + *hit = TRUE; + + /* Verify that all of the clip stack entries are simple rectangle + * clips */ + for (clip_entry = entry->clip_stack; + clip_entry; + clip_entry = clip_entry->parent) + { + if (x < clip_entry->bounds_x0 || + x >= clip_entry->bounds_x1 || + y < clip_entry->bounds_y0 || + y >= clip_entry->bounds_y1) + { + *hit = FALSE; + return TRUE; + } + + if (clip_entry->type == COGL_CLIP_STACK_WINDOW_RECT) + { + /* XXX: technically we could still run the software clip in + * this case because for our purposes we know this clip + * can be ignored now, but [can_]sofware_clip_entry() doesn't + * know this and will bail out. */ + can_software_clip = FALSE; + } + else if (clip_entry->type == COGL_CLIP_STACK_RECT) + { + CoglClipStackRect *rect_entry = (CoglClipStackRect *)entry; + + if (rect_entry->can_be_scissor == FALSE) + needs_software_clip = TRUE; + /* If can_be_scissor is TRUE then we know it's screen + * aligned and the hit test we did above has determined + * that we are inside this clip. */ + } + else + return FALSE; + } + + if (needs_software_clip) + { + ClipBounds clip_bounds; + float poly[16]; + + if (!can_software_clip) + return FALSE; + + if (!can_software_clip_entry (entry, NULL, + entry->clip_stack, &clip_bounds)) + return FALSE; + + software_clip_entry (entry, vertices, &clip_bounds); + entry_to_screen_polygon (framebuffer, entry, vertices, poly); + + *hit = _cogl_util_point_in_screen_poly (x, y, poly, sizeof (float) * 4, 4); + return TRUE; + } + + return TRUE; +} + +CoglBool +_cogl_journal_try_read_pixel (CoglJournal *journal, + int x, + int y, + CoglBitmap *bitmap, + CoglBool *found_intersection) +{ + CoglContext *ctx; + CoglPixelFormat format; + int i; + + /* XXX: this number has been plucked out of thin air, but the idea + * is that if so many pixels are being read from the same un-changed + * journal than we expect that it will be more efficient to fail + * here so we end up flushing and rendering the journal so that + * further reads can directly read from the framebuffer. There will + * be a bit more lag to flush the render but if there are going to + * continue being lots of arbitrary single pixel reads they will end + * up faster in the end. */ + if (journal->fast_read_pixel_count > 50) + return FALSE; + + format = cogl_bitmap_get_format (bitmap); + + if (format != COGL_PIXEL_FORMAT_RGBA_8888_PRE && + format != COGL_PIXEL_FORMAT_RGBA_8888) + return FALSE; + + ctx = _cogl_bitmap_get_context (bitmap); + + *found_intersection = FALSE; + + /* NB: The most recently added journal entry is the last entry, and + * assuming this is a simple scene only comprised of opaque coloured + * rectangles with no special pipelines involved (e.g. enabling + * depth testing) then we can assume painter's algorithm for the + * entries and so our fast read-pixel just needs to walk backwards + * through the journal entries trying to intersect each entry with + * the given point of interest. */ + for (i = journal->entries->len - 1; i >= 0; i--) + { + CoglJournalEntry *entry = + &g_array_index (journal->entries, CoglJournalEntry, i); + uint8_t *color = (uint8_t *)&g_array_index (journal->vertices, float, + entry->array_offset); + float *vertices = (float *)color + 1; + float poly[16]; + CoglFramebuffer *framebuffer = journal->framebuffer; + uint8_t *pixel; + CoglError *ignore_error; + + entry_to_screen_polygon (framebuffer, entry, vertices, poly); + + if (!_cogl_util_point_in_screen_poly (x, y, poly, sizeof (float) * 4, 4)) + continue; + + if (entry->clip_stack) + { + CoglBool hit; + + if (!try_checking_point_hits_entry_after_clipping (framebuffer, + entry, + vertices, + x, y, &hit)) + return FALSE; /* hit couldn't be determined */ + + if (!hit) + continue; + } + + *found_intersection = TRUE; + + /* If we find that the rectangle the point of interest + * intersects has any state more complex than a constant opaque + * color then we bail out. */ + if (!_cogl_pipeline_equal (ctx->opaque_color_pipeline, entry->pipeline, + (COGL_PIPELINE_STATE_ALL & + ~COGL_PIPELINE_STATE_COLOR), + COGL_PIPELINE_LAYER_STATE_ALL, + 0)) + return FALSE; + + + /* we currently only care about cases where the premultiplied or + * unpremultipled colors are equivalent... */ + if (color[3] != 0xff) + return FALSE; + + pixel = _cogl_bitmap_map (bitmap, + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + &ignore_error); + if (pixel == NULL) + { + cogl_error_free (ignore_error); + return FALSE; + } + + pixel[0] = color[0]; + pixel[1] = color[1]; + pixel[2] = color[2]; + pixel[3] = color[3]; + + _cogl_bitmap_unmap (bitmap); + + goto success; + } + +success: + journal->fast_read_pixel_count++; + return TRUE; +} diff --git a/cogl/cogl-kms-display.h b/cogl/cogl-kms-display.h new file mode 100644 index 0000000..05226df --- /dev/null +++ b/cogl/cogl-kms-display.h @@ -0,0 +1,119 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_KMS_DISPLAY_H__ +#define __COGL_KMS_DISPLAY_H__ + +#include +#include + +#include + +COGL_BEGIN_DECLS + +/** + * cogl_kms_display_queue_modes_reset: + * @display: A #CoglDisplay + * + * Asks Cogl to explicitly reset the crtc output modes at the next + * #CoglOnscreen swap_buffers request. For applications that support + * VT switching they may want to re-assert the output modes when + * switching back to the applications VT since the modes are often not + * correctly restored automatically. + * + * The @display must have been either explicitly setup via + * cogl_display_setup() or implicitily setup by having created a + * context using the @display + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_kms_display_queue_modes_reset (CoglDisplay *display); + +typedef struct { + uint32_t id; + uint32_t x, y; + drmModeModeInfo mode; + + uint32_t *connectors; + uint32_t count; + + CoglBool ignore; +} CoglKmsCrtc; + +/** + * cogl_kms_display_set_layout: + * @onscreen: a #CoglDisplay + * @width: the framebuffer width + * @height: the framebuffer height + * @crtcs: the array of #CoglKmsCrtc structure with the desired CRTC layout + * + * Configures @display to use a framebuffer sized @width x @height, covering + * the CRTCS in @crtcs. + * @width and @height must be within the driver framebuffer limits, and @crtcs + * must be valid KMS API IDs. + * + * Calling this function overrides the automatic mode setting done by Cogl, + * and for this reason must be called before the first call to cogl_onscreen_swap_buffers(). + * + * If you want to restore the default behaviour, you can call this function + * with @width and @height set to -1. + * + * Stability: unstable + */ +CoglBool +cogl_kms_display_set_layout (CoglDisplay *display, + int width, + int height, + CoglKmsCrtc **crtcs, + int n_crtcs, + CoglError **error); + + +/** + * cogl_kms_display_set_layout: + * @onscreen: a #CoglDisplay + * @id: KMS output id + * @ignore: Ignore ouput or not + * + * Tells cogl to ignore (or stop ignoring) a ctrc which means + * it never flips buffers at this crtc. + * + * Stability: unstable + */ +void +cogl_kms_display_set_ignore_crtc (CoglDisplay *display, + uint32_t id, + CoglBool ignore); +COGL_END_DECLS +#endif /* __COGL_KMS_DISPLAY_H__ */ diff --git a/cogl/cogl-kms-renderer.h b/cogl/cogl-kms-renderer.h new file mode 100644 index 0000000..4e4948e --- /dev/null +++ b/cogl/cogl-kms-renderer.h @@ -0,0 +1,74 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_KMS_RENDERER_H__ +#define __COGL_KMS_RENDERER_H__ + +#include +#include + +COGL_BEGIN_DECLS + +/** + * cogl_kms_renderer_set_kms_fd: + * @renderer: A #CoglRenderer + * @fd: The fd to kms to use + * + * Sets the file descriptor Cogl should use to communicate + * to the kms driver. If -1 (the default), then Cogl will + * open its own FD by trying to open "/dev/dri/card0". + * + * Since: 1.18 + * Stability: unstable + */ +void +cogl_kms_renderer_set_kms_fd (CoglRenderer *renderer, + int fd); + +/** + * cogl_kms_renderer_get_kms_fd: + * @renderer: A #CoglRenderer + * + * Queries the file descriptor Cogl is using internally for + * communicating with the kms driver. + * + * Return value: The kms file descriptor or -1 if no kms file + * desriptor has been opened by Cogl. + * Stability: unstable + */ +int +cogl_kms_renderer_get_kms_fd (CoglRenderer *renderer); + +struct gbm_device * +cogl_kms_renderer_get_gbm (CoglRenderer *renderer); +COGL_END_DECLS +#endif /* __COGL_KMS_RENDERER_H__ */ diff --git a/cogl/cogl-list.c b/cogl/cogl-list.c new file mode 100644 index 0000000..3fbc675 --- /dev/null +++ b/cogl/cogl-list.c @@ -0,0 +1,94 @@ +/* + * Copyright © 2008-2011 Kristian Høgsberg + * Copyright © 2011, 2012 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +/* This list implementation is based on the Wayland source code */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include "cogl-list.h" + +void +_cogl_list_init (CoglList *list) +{ + list->prev = list; + list->next = list; +} + +void +_cogl_list_insert (CoglList *list, CoglList *elm) +{ + elm->prev = list; + elm->next = list->next; + list->next = elm; + elm->next->prev = elm; +} + +void +_cogl_list_remove (CoglList *elm) +{ + elm->prev->next = elm->next; + elm->next->prev = elm->prev; + elm->next = NULL; + elm->prev = NULL; +} + +int +_cogl_list_length (CoglList *list) +{ + CoglList *e; + int count; + + count = 0; + e = list->next; + while (e != list) + { + e = e->next; + count++; + } + + return count; +} + +int +_cogl_list_empty (CoglList *list) +{ + return list->next == list; +} + +void +_cogl_list_insert_list (CoglList *list, + CoglList *other) +{ + if (_cogl_list_empty (other)) + return; + + other->next->prev = list; + other->prev->next = list->next; + list->next->prev = other->prev; + list->next = other->next; +} diff --git a/cogl/cogl-list.h b/cogl/cogl-list.h new file mode 100644 index 0000000..20cbec8 --- /dev/null +++ b/cogl/cogl-list.h @@ -0,0 +1,129 @@ +/* + * Copyright © 2008 Kristian Høgsberg + * Copyright © 2012, 2013 Intel Corporation + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +/* This list implementation is based on the Wayland source code */ + +#ifndef COGL_LIST_H +#define COGL_LIST_H + +#include + +/** + * CoglList - linked list + * + * The list head is of "CoglList" type, and must be initialized + * using cogl_list_init(). All entries in the list must be of the same + * type. The item type must have a "CoglList" member. This + * member will be initialized by cogl_list_insert(). There is no need to + * call cogl_list_init() on the individual item. To query if the list is + * empty in O(1), use cogl_list_empty(). + * + * Let's call the list reference "CoglList foo_list", the item type as + * "item_t", and the item member as "CoglList link". The following code + * + * The following code will initialize a list: + * + * cogl_list_init (foo_list); + * cogl_list_insert (foo_list, item1); Pushes item1 at the head + * cogl_list_insert (foo_list, item2); Pushes item2 at the head + * cogl_list_insert (item2, item3); Pushes item3 after item2 + * + * The list now looks like [item2, item3, item1] + * + * Will iterate the list in ascending order: + * + * item_t *item; + * cogl_list_for_each(item, foo_list, link) { + * Do_something_with_item(item); + * } + */ + +typedef struct _CoglList CoglList; + +struct _CoglList +{ + CoglList *prev; + CoglList *next; +}; + +void +_cogl_list_init (CoglList *list); + +void +_cogl_list_insert (CoglList *list, + CoglList *elm); + +void +_cogl_list_remove (CoglList *elm); + +int +_cogl_list_length (CoglList *list); + +int +_cogl_list_empty (CoglList *list); + +void +_cogl_list_insert_list (CoglList *list, + CoglList *other); + +/* This assigns to iterator first so that taking a reference to it + * later in the second step won't be an undefined operation. It + * assigns the value of list_node rather than 0 so that it is possible + * have list_node be based on the previous value of iterator. In that + * respect iterator is just used as a convenient temporary variable. + * The compiler optimises all of this down to a single subtraction by + * a constant */ +#define _cogl_list_set_iterator(list_node, iterator, member) \ + ((iterator) = (void *) (list_node), \ + (iterator) = (void *) ((char *) (iterator) - \ + (((char *) &(iterator)->member) - \ + (char *) (iterator)))) + +#define _cogl_container_of(ptr, type, member) \ + (type *) ((char *) (ptr) - offsetof (type, member)) + +#define _cogl_list_for_each(pos, head, member) \ + for (_cogl_list_set_iterator ((head)->next, pos, member); \ + &pos->member != (head); \ + _cogl_list_set_iterator (pos->member.next, pos, member)) + +#define _cogl_list_for_each_safe(pos, tmp, head, member) \ + for (_cogl_list_set_iterator ((head)->next, pos, member), \ + _cogl_list_set_iterator ((pos)->member.next, tmp, member); \ + &pos->member != (head); \ + pos = tmp, \ + _cogl_list_set_iterator (pos->member.next, tmp, member)) + +#define _cogl_list_for_each_reverse(pos, head, member) \ + for (_cogl_list_set_iterator ((head)->prev, pos, member); \ + &pos->member != (head); \ + _cogl_list_set_iterator (pos->member.prev, pos, member)) + +#define _cogl_list_for_each_reverse_safe(pos, tmp, head, member) \ + for (_cogl_list_set_iterator ((head)->prev, pos, member), \ + _cogl_list_set_iterator ((pos)->member.prev, tmp, member); \ + &pos->member != (head); \ + pos = tmp, \ + _cogl_list_set_iterator (pos->member.prev, tmp, member)) + +#endif /* COGL_LIST_H */ diff --git a/cogl/cogl-macros.h b/cogl/cogl-macros.h new file mode 100644 index 0000000..17708f9 --- /dev/null +++ b/cogl/cogl-macros.h @@ -0,0 +1,273 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_MACROS_H__ +#define __COGL_MACROS_H__ + +#include + +/* These macros are used to mark deprecated functions, and thus have + * to be exposed in a public header. + * + * They are only intended for internal use and should not be used by + * other projects. + */ +#if defined(COGL_DISABLE_DEPRECATION_WARNINGS) || defined(COGL_COMPILATION) + +#define COGL_DEPRECATED +#define COGL_DEPRECATED_FOR(f) +#define COGL_UNAVAILABLE(maj,min) + +#else /* COGL_DISABLE_DEPRECATION_WARNINGS */ + +#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) +#define COGL_DEPRECATED __attribute__((__deprecated__)) +#elif defined(_MSC_VER) && (_MSC_VER >= 1300) +#define COGL_DEPRECATED __declspec(deprecated) +#else +#define COGL_DEPRECATED +#endif + +#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) +#define COGL_DEPRECATED_FOR(f) __attribute__((__deprecated__("Use '" #f "' instead"))) +#elif defined(_MSC_FULL_VER) && (_MSC_FULL_VER > 140050320) +#define COGL_DEPRECATED_FOR(f) __declspec(deprecated("is deprecated. Use '" #f "' instead")) +#else +#define COGL_DEPRECATED_FOR(f) G_DEPRECATED +#endif + +#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) +#define COGL_UNAVAILABLE(maj,min) __attribute__((deprecated("Not available before " #maj "." #min))) +#elif defined(_MSC_FULL_VER) && (_MSC_FULL_VER > 140050320) +#define COGL_UNAVAILABLE(maj,min) __declspec(deprecated("is not available before " #maj "." #min)) +#else +#define COGL_UNAVAILABLE(maj,min) +#endif + +#endif /* COGL_DISABLE_DEPRECATION_WARNINGS */ + +/** + * COGL_VERSION_MIN_REQUIRED: + * + * A macro that should be defined by the user prior to including the + * cogl.h header. + * + * The definition should be one of the predefined Cogl version macros, + * such as: %COGL_VERSION_1_8, %COGL_VERSION_1_10, ... + * + * This macro defines the lower bound for the Cogl API to be used. + * + * If a function has been deprecated in a newer version of Cogl, it + * is possible to use this symbol to avoid the compiler warnings without + * disabling warnings for every deprecated function. + * + * Since: 1.16 + */ +#ifndef COGL_VERSION_MIN_REQUIRED +# define COGL_VERSION_MIN_REQUIRED (COGL_VERSION_CURRENT_STABLE) +#endif + +/** + * COGL_VERSION_MAX_ALLOWED: + * + * A macro that should be define by the user prior to including the + * cogl.h header. + * + * The definition should be one of the predefined Cogl version macros, + * such as: %COGL_VERSION_1_0, %COGL_VERSION_1_2, ... + * + * This macro defines the upper bound for the Cogl API to be used. + * + * If a function has been introduced in a newer version of Cogl, it + * is possible to use this symbol to get compiler warnings when trying + * to use that function. + * + * Since: 1.16 + */ +#ifndef COGL_VERSION_MAX_ALLOWED +# if COGL_VERSION_MIN_REQUIRED > COGL_VERSION_PREVIOUS_STABLE +# define COGL_VERSION_MAX_ALLOWED COGL_VERSION_MIN_REQUIRED +# else +# define COGL_VERSION_MAX_ALLOWED COGL_VERSION_CURRENT_STABLE +# endif +#endif + +/* sanity checks */ +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_MIN_REQUIRED +# error "COGL_VERSION_MAX_ALLOWED must be >= COGL_VERSION_MIN_REQUIRED" +#endif +#if COGL_VERSION_MIN_REQUIRED < COGL_VERSION_1_0 +# error "COGL_VERSION_MIN_REQUIRED must be >= COGL_VERSION_1_0" +#endif + +/* XXX: Every new stable minor release should add a set of macros here */ +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_0 +# define COGL_DEPRECATED_IN_1_0 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_0_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_0 +# define COGL_DEPRECATED_IN_1_0_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_0 +# define COGL_AVAILABLE_IN_1_0 COGL_UNAVAILABLE(1, 0) +#else +# define COGL_AVAILABLE_IN_1_0 +#endif + +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_2 +# define COGL_DEPRECATED_IN_1_2 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_2_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_2 +# define COGL_DEPRECATED_IN_1_2_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_2 +# define COGL_AVAILABLE_IN_1_2 COGL_UNAVAILABLE(1, 2) +#else +# define COGL_AVAILABLE_IN_1_2 +#endif + +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_4 +# define COGL_DEPRECATED_IN_1_4 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_4_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_4 +# define COGL_DEPRECATED_IN_1_4_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_4 +# define COGL_AVAILABLE_IN_1_4 COGL_UNAVAILABLE(1, 4) +#else +# define COGL_AVAILABLE_IN_1_4 +#endif + +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_6 +# define COGL_DEPRECATED_IN_1_6 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_6_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_6 +# define COGL_DEPRECATED_IN_1_6_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_6 +# define COGL_AVAILABLE_IN_1_6 COGL_UNAVAILABLE(1, 6) +#else +# define COGL_AVAILABLE_IN_1_6 +#endif + +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_8 +# define COGL_DEPRECATED_IN_1_8 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_8_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_8 +# define COGL_DEPRECATED_IN_1_8_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_8 +# define COGL_AVAILABLE_IN_1_8 COGL_UNAVAILABLE(1, 8) +#else +# define COGL_AVAILABLE_IN_1_8 +#endif + +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_10 +# define COGL_DEPRECATED_IN_1_10 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_10_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_10 +# define COGL_DEPRECATED_IN_1_10_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_10 +# define COGL_AVAILABLE_IN_1_10 COGL_UNAVAILABLE(1, 10) +#else +# define COGL_AVAILABLE_IN_1_10 +#endif + +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_12 +# define COGL_DEPRECATED_IN_1_12 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_12_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_12 +# define COGL_DEPRECATED_IN_1_12_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_12 +# define COGL_AVAILABLE_IN_1_12 COGL_UNAVAILABLE(1, 12) +#else +# define COGL_AVAILABLE_IN_1_12 +#endif + +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_14 +# define COGL_DEPRECATED_IN_1_14 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_14_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_14 +# define COGL_DEPRECATED_IN_1_14_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_14 +# define COGL_AVAILABLE_IN_1_14 COGL_UNAVAILABLE(1, 14) +#else +# define COGL_AVAILABLE_IN_1_14 +#endif + +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_16 +# define COGL_DEPRECATED_IN_1_16 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_16_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_16 +# define COGL_DEPRECATED_IN_1_16_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_16 +# define COGL_AVAILABLE_IN_1_16 COGL_UNAVAILABLE(1, 16) +#else +# define COGL_AVAILABLE_IN_1_16 +#endif + +#if COGL_VERSION_MIN_REQUIRED >= COGL_VERSION_1_18 +# define COGL_DEPRECATED_IN_1_18 COGL_DEPRECATED +# define COGL_DEPRECATED_IN_1_18_FOR(f) COGL_DEPRECATED_FOR(f) +#else +# define COGL_DEPRECATED_IN_1_18 +# define COGL_DEPRECATED_IN_1_18_FOR(f) +#endif + +#if COGL_VERSION_MAX_ALLOWED < COGL_VERSION_1_18 +# define COGL_AVAILABLE_IN_1_18 COGL_UNAVAILABLE(1, 18) +#else +# define COGL_AVAILABLE_IN_1_18 +#endif + +#endif /* __COGL_MACROS_H__ */ diff --git a/cogl/cogl-magazine-private.h b/cogl/cogl-magazine-private.h new file mode 100644 index 0000000..091801b --- /dev/null +++ b/cogl/cogl-magazine-private.h @@ -0,0 +1,81 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_MAGAZINE_PRIVATE_H__ +#define __COGL_MAGAZINE_PRIVATE_H__ + +#include + +#include "cogl-memory-stack-private.h" + +typedef struct _CoglMagazineChunk CoglMagazineChunk; + +struct _CoglMagazineChunk +{ + CoglMagazineChunk *next; +}; + +typedef struct _CoglMagazine +{ + size_t chunk_size; + + CoglMemoryStack *stack; + CoglMagazineChunk *head; +} CoglMagazine; + +CoglMagazine * +_cogl_magazine_new (size_t chunk_size, int initial_chunk_count); + +static inline void * +_cogl_magazine_chunk_alloc (CoglMagazine *magazine) +{ + if (G_LIKELY (magazine->head)) + { + CoglMagazineChunk *chunk = magazine->head; + magazine->head = chunk->next; + return chunk; + } + else + return _cogl_memory_stack_alloc (magazine->stack, magazine->chunk_size); +} + +static inline void +_cogl_magazine_chunk_free (CoglMagazine *magazine, void *data) +{ + CoglMagazineChunk *chunk = data; + + chunk->next = magazine->head; + magazine->head = chunk; +} + +void +_cogl_magazine_free (CoglMagazine *magazine); + +#endif /* __COGL_MAGAZINE_PRIVATE_H__ */ diff --git a/cogl/cogl-magazine.c b/cogl/cogl-magazine.c new file mode 100644 index 0000000..5617751 --- /dev/null +++ b/cogl/cogl-magazine.c @@ -0,0 +1,84 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * CoglMagazine provides a really light weight allocator for chunks + * of memory with a pre-determined size. + * + * This allocator builds on CoglMemoryStack for making all initial + * allocations but never frees memory back to the stack. + * + * Memory chunks that haven't been allocated yet are stored in a + * singly linked, fifo, list. + * + * Allocating from a magazine is simply a question of popping an entry + * from the head of the fifo list. If no entries are available then + * instead allocate from the memory stack instead. + * + * When an entry is freed, it is put back into the fifo list for + * re-use. + * + * No attempt is ever made to shrink the amount of memory associated + * with a CoglMagazine. + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-memory-stack-private.h" +#include "cogl-magazine-private.h" +#include + +#define ROUND_UP_8(X) ((X + (8 - 1)) & ~(8 - 1)) + +CoglMagazine * +_cogl_magazine_new (size_t chunk_size, int initial_chunk_count) +{ + CoglMagazine *magazine = g_new0 (CoglMagazine, 1); + + chunk_size = MAX (chunk_size, sizeof (CoglMagazineChunk)); + chunk_size = ROUND_UP_8 (chunk_size); + + magazine->chunk_size = chunk_size; + magazine->stack = _cogl_memory_stack_new (chunk_size * initial_chunk_count); + magazine->head = NULL; + + return magazine; +} + +void +_cogl_magazine_free (CoglMagazine *magazine) +{ + _cogl_memory_stack_free (magazine->stack); + g_free (magazine); +} diff --git a/cogl/cogl-matrix-private.h b/cogl/cogl-matrix-private.h new file mode 100644 index 0000000..d9fc98e --- /dev/null +++ b/cogl/cogl-matrix-private.h @@ -0,0 +1,58 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_MATRIX_PRIVATE_H +#define __COGL_MATRIX_PRIVATE_H + +#include + +COGL_BEGIN_DECLS + +#define _COGL_MATRIX_DEBUG_PRINT(MATRIX) \ + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_MATRICES))) \ + { \ + g_print ("%s:\n", G_STRFUNC); \ + cogl_debug_matrix_print (MATRIX); \ + } + +void +_cogl_matrix_prefix_print (const char *prefix, const CoglMatrix *matrix); + +void +_cogl_matrix_init_from_matrix_without_inverse (CoglMatrix *matrix, + const CoglMatrix *src); + +COGL_END_DECLS + +#endif /* __COGL_MATRIX_PRIVATE_H */ + diff --git a/cogl/cogl-matrix-stack-private.h b/cogl/cogl-matrix-stack-private.h new file mode 100644 index 0000000..0d5caf8 --- /dev/null +++ b/cogl/cogl-matrix-stack-private.h @@ -0,0 +1,200 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009,2010,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Havoc Pennington for litl + * Robert Bragg + */ + +#ifndef _COGL_MATRIX_STACK_PRIVATE_H_ +#define _COGL_MATRIX_STACK_PRIVATE_H_ + +#include "cogl-object-private.h" +#include "cogl-matrix-stack.h" +#include "cogl-context.h" +#include "cogl-framebuffer.h" + +typedef enum _CoglMatrixOp +{ + COGL_MATRIX_OP_LOAD_IDENTITY, + COGL_MATRIX_OP_TRANSLATE, + COGL_MATRIX_OP_ROTATE, + COGL_MATRIX_OP_ROTATE_QUATERNION, + COGL_MATRIX_OP_ROTATE_EULER, + COGL_MATRIX_OP_SCALE, + COGL_MATRIX_OP_MULTIPLY, + COGL_MATRIX_OP_LOAD, + COGL_MATRIX_OP_SAVE, +} CoglMatrixOp; + +struct _CoglMatrixEntry +{ + CoglMatrixEntry *parent; + CoglMatrixOp op; + unsigned int ref_count; + +#ifdef COGL_DEBUG_ENABLED + /* used for performance tracing */ + int composite_gets; +#endif +}; + +typedef struct _CoglMatrixEntryTranslate +{ + CoglMatrixEntry _parent_data; + + float x; + float y; + float z; + +} CoglMatrixEntryTranslate; + +typedef struct _CoglMatrixEntryRotate +{ + CoglMatrixEntry _parent_data; + + float angle; + float x; + float y; + float z; + +} CoglMatrixEntryRotate; + +typedef struct _CoglMatrixEntryRotateEuler +{ + CoglMatrixEntry _parent_data; + + /* This doesn't store an actual CoglEuler in order to avoid the + * padding */ + float heading; + float pitch; + float roll; +} CoglMatrixEntryRotateEuler; + +typedef struct _CoglMatrixEntryRotateQuaternion +{ + CoglMatrixEntry _parent_data; + + /* This doesn't store an actual CoglQuaternion in order to avoid the + * padding */ + float values[4]; +} CoglMatrixEntryRotateQuaternion; + +typedef struct _CoglMatrixEntryScale +{ + CoglMatrixEntry _parent_data; + + float x; + float y; + float z; + +} CoglMatrixEntryScale; + +typedef struct _CoglMatrixEntryMultiply +{ + CoglMatrixEntry _parent_data; + + CoglMatrix *matrix; + +} CoglMatrixEntryMultiply; + +typedef struct _CoglMatrixEntryLoad +{ + CoglMatrixEntry _parent_data; + + CoglMatrix *matrix; + +} CoglMatrixEntryLoad; + +typedef struct _CoglMatrixEntrySave +{ + CoglMatrixEntry _parent_data; + + CoglMatrix *cache; + CoglBool cache_valid; + +} CoglMatrixEntrySave; + +typedef union _CoglMatrixEntryFull +{ + CoglMatrixEntry any; + CoglMatrixEntryTranslate translate; + CoglMatrixEntryRotate rotate; + CoglMatrixEntryRotateEuler rotate_euler; + CoglMatrixEntryRotateQuaternion rotate_quaternion; + CoglMatrixEntryScale scale; + CoglMatrixEntryMultiply multiply; + CoglMatrixEntryLoad load; + CoglMatrixEntrySave save; +} CoglMatrixEntryFull; + +struct _CoglMatrixStack +{ + CoglObject _parent; + + CoglContext *context; + + CoglMatrixEntry *last_entry; +}; + +typedef struct _CoglMatrixEntryCache +{ + CoglMatrixEntry *entry; + CoglBool flushed_identity; + CoglBool flipped; +} CoglMatrixEntryCache; + +void +_cogl_matrix_entry_identity_init (CoglMatrixEntry *entry); + +typedef enum { + COGL_MATRIX_MODELVIEW, + COGL_MATRIX_PROJECTION, + COGL_MATRIX_TEXTURE +} CoglMatrixMode; + +void +_cogl_matrix_entry_flush_to_gl_builtins (CoglContext *ctx, + CoglMatrixEntry *entry, + CoglMatrixMode mode, + CoglFramebuffer *framebuffer, + CoglBool disable_flip); + +void +_cogl_matrix_entry_cache_init (CoglMatrixEntryCache *cache); + +CoglBool +_cogl_matrix_entry_cache_maybe_update (CoglMatrixEntryCache *cache, + CoglMatrixEntry *entry, + CoglBool flip); + +void +_cogl_matrix_entry_cache_destroy (CoglMatrixEntryCache *cache); + +#endif /* _COGL_MATRIX_STACK_PRIVATE_H_ */ diff --git a/cogl/cogl-matrix-stack.c b/cogl/cogl-matrix-stack.c new file mode 100644 index 0000000..400855f --- /dev/null +++ b/cogl/cogl-matrix-stack.c @@ -0,0 +1,1211 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009,2010,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Havoc Pennington for litl + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-matrix-stack.h" +#include "cogl-framebuffer-private.h" +#include "cogl-object-private.h" +#include "cogl-offscreen.h" +#include "cogl-matrix-private.h" +#include "cogl-magazine-private.h" +#include "cogl-gtype-private.h" + +static void _cogl_matrix_stack_free (CoglMatrixStack *stack); + +COGL_OBJECT_DEFINE (MatrixStack, matrix_stack); +COGL_GTYPE_DEFINE_CLASS (MatrixStack, matrix_stack); +COGL_GTYPE_DEFINE_BOXED (MatrixEntry, matrix_entry, + cogl_matrix_entry_ref, + cogl_matrix_entry_unref); + +static CoglMagazine *cogl_matrix_stack_magazine; +static CoglMagazine *cogl_matrix_stack_matrices_magazine; + +/* XXX: Note: this leaves entry->parent uninitialized! */ +static CoglMatrixEntry * +_cogl_matrix_entry_new (CoglMatrixOp operation) +{ + CoglMatrixEntry *entry = + _cogl_magazine_chunk_alloc (cogl_matrix_stack_magazine); + + entry->ref_count = 1; + entry->op = operation; + +#ifdef COGL_DEBUG_ENABLED + entry->composite_gets = 0; +#endif + + return entry; +} + +static void * +_cogl_matrix_stack_push_entry (CoglMatrixStack *stack, + CoglMatrixEntry *entry) +{ + /* NB: The initial reference of the entry is transferred to the + * stack here. + * + * The stack only maintains a reference to the top of the stack (the + * last entry pushed) and each entry in-turn maintains a reference + * to its parent. + * + * We don't need to take a reference to the parent from the entry + * here because the we are stealing the reference that was held by + * the stack while that parent was previously the top of the stack. + */ + entry->parent = stack->last_entry; + stack->last_entry = entry; + + return entry; +} + +static void * +_cogl_matrix_stack_push_operation (CoglMatrixStack *stack, + CoglMatrixOp operation) +{ + CoglMatrixEntry *entry = _cogl_matrix_entry_new (operation); + + _cogl_matrix_stack_push_entry (stack, entry); + + return entry; +} + +static void * +_cogl_matrix_stack_push_replacement_entry (CoglMatrixStack *stack, + CoglMatrixOp operation) +{ + CoglMatrixEntry *old_top = stack->last_entry; + CoglMatrixEntry *new_top; + + /* This would only be called for operations that completely replace + * the matrix. In that case we don't need to keep a reference to + * anything up to the last save entry. This optimisation could be + * important for applications that aren't using the stack but + * instead just perform their own matrix manipulations and load a + * new stack every frame. If this optimisation isn't done then the + * stack would just grow endlessly. See the comments + * cogl_matrix_stack_pop for a description of how popping works. */ + for (new_top = old_top; + new_top->op != COGL_MATRIX_OP_SAVE && new_top->parent; + new_top = new_top->parent) + ; + + cogl_matrix_entry_ref (new_top); + cogl_matrix_entry_unref (old_top); + stack->last_entry = new_top; + + return _cogl_matrix_stack_push_operation (stack, operation); +} + +void +_cogl_matrix_entry_identity_init (CoglMatrixEntry *entry) +{ + entry->ref_count = 1; + entry->op = COGL_MATRIX_OP_LOAD_IDENTITY; + entry->parent = NULL; +#ifdef COGL_DEBUG_ENABLED + entry->composite_gets = 0; +#endif +} + +void +cogl_matrix_stack_load_identity (CoglMatrixStack *stack) +{ + _cogl_matrix_stack_push_replacement_entry (stack, + COGL_MATRIX_OP_LOAD_IDENTITY); +} + +void +cogl_matrix_stack_translate (CoglMatrixStack *stack, + float x, + float y, + float z) +{ + CoglMatrixEntryTranslate *entry; + + entry = _cogl_matrix_stack_push_operation (stack, COGL_MATRIX_OP_TRANSLATE); + + entry->x = x; + entry->y = y; + entry->z = z; +} + +void +cogl_matrix_stack_rotate (CoglMatrixStack *stack, + float angle, + float x, + float y, + float z) +{ + CoglMatrixEntryRotate *entry; + + entry = _cogl_matrix_stack_push_operation (stack, COGL_MATRIX_OP_ROTATE); + + entry->angle = angle; + entry->x = x; + entry->y = y; + entry->z = z; +} + +void +cogl_matrix_stack_rotate_quaternion (CoglMatrixStack *stack, + const CoglQuaternion *quaternion) +{ + CoglMatrixEntryRotateQuaternion *entry; + + entry = _cogl_matrix_stack_push_operation (stack, + COGL_MATRIX_OP_ROTATE_QUATERNION); + + entry->values[0] = quaternion->w; + entry->values[1] = quaternion->x; + entry->values[2] = quaternion->y; + entry->values[3] = quaternion->z; +} + +void +cogl_matrix_stack_rotate_euler (CoglMatrixStack *stack, + const CoglEuler *euler) +{ + CoglMatrixEntryRotateEuler *entry; + + entry = _cogl_matrix_stack_push_operation (stack, + COGL_MATRIX_OP_ROTATE_EULER); + + entry->heading = euler->heading; + entry->pitch = euler->pitch; + entry->roll = euler->roll; +} + +void +cogl_matrix_stack_scale (CoglMatrixStack *stack, + float x, + float y, + float z) +{ + CoglMatrixEntryScale *entry; + + entry = _cogl_matrix_stack_push_operation (stack, COGL_MATRIX_OP_SCALE); + + entry->x = x; + entry->y = y; + entry->z = z; +} + +void +cogl_matrix_stack_multiply (CoglMatrixStack *stack, + const CoglMatrix *matrix) +{ + CoglMatrixEntryMultiply *entry; + + entry = _cogl_matrix_stack_push_operation (stack, COGL_MATRIX_OP_MULTIPLY); + + entry->matrix = + _cogl_magazine_chunk_alloc (cogl_matrix_stack_matrices_magazine); + + cogl_matrix_init_from_array (entry->matrix, (float *)matrix); +} + +void +cogl_matrix_stack_set (CoglMatrixStack *stack, + const CoglMatrix *matrix) +{ + CoglMatrixEntryLoad *entry; + + entry = + _cogl_matrix_stack_push_replacement_entry (stack, + COGL_MATRIX_OP_LOAD); + + entry->matrix = + _cogl_magazine_chunk_alloc (cogl_matrix_stack_matrices_magazine); + + cogl_matrix_init_from_array (entry->matrix, (float *)matrix); +} + +void +cogl_matrix_stack_frustum (CoglMatrixStack *stack, + float left, + float right, + float bottom, + float top, + float z_near, + float z_far) +{ + CoglMatrixEntryLoad *entry; + + entry = + _cogl_matrix_stack_push_replacement_entry (stack, + COGL_MATRIX_OP_LOAD); + + entry->matrix = + _cogl_magazine_chunk_alloc (cogl_matrix_stack_matrices_magazine); + + cogl_matrix_init_identity (entry->matrix); + cogl_matrix_frustum (entry->matrix, + left, right, bottom, top, + z_near, z_far); +} + +void +cogl_matrix_stack_perspective (CoglMatrixStack *stack, + float fov_y, + float aspect, + float z_near, + float z_far) +{ + CoglMatrixEntryLoad *entry; + + entry = + _cogl_matrix_stack_push_replacement_entry (stack, + COGL_MATRIX_OP_LOAD); + + entry->matrix = + _cogl_magazine_chunk_alloc (cogl_matrix_stack_matrices_magazine); + + cogl_matrix_init_identity (entry->matrix); + cogl_matrix_perspective (entry->matrix, + fov_y, aspect, z_near, z_far); +} + +void +cogl_matrix_stack_orthographic (CoglMatrixStack *stack, + float x_1, + float y_1, + float x_2, + float y_2, + float near, + float far) +{ + CoglMatrixEntryLoad *entry; + + entry = + _cogl_matrix_stack_push_replacement_entry (stack, + COGL_MATRIX_OP_LOAD); + + entry->matrix = + _cogl_magazine_chunk_alloc (cogl_matrix_stack_matrices_magazine); + + cogl_matrix_init_identity (entry->matrix); + cogl_matrix_orthographic (entry->matrix, + x_1, y_1, x_2, y_2, near, far); +} + +void +cogl_matrix_stack_push (CoglMatrixStack *stack) +{ + CoglMatrixEntrySave *entry; + + entry = _cogl_matrix_stack_push_operation (stack, COGL_MATRIX_OP_SAVE); + + entry->cache_valid = FALSE; +} + +CoglMatrixEntry * +cogl_matrix_entry_ref (CoglMatrixEntry *entry) +{ + /* A NULL pointer is considered a valid stack so we should accept + that as an argument */ + if (entry) + entry->ref_count++; + + return entry; +} + +void +cogl_matrix_entry_unref (CoglMatrixEntry *entry) +{ + CoglMatrixEntry *parent; + + for (; entry && --entry->ref_count <= 0; entry = parent) + { + parent = entry->parent; + + switch (entry->op) + { + case COGL_MATRIX_OP_LOAD_IDENTITY: + case COGL_MATRIX_OP_TRANSLATE: + case COGL_MATRIX_OP_ROTATE: + case COGL_MATRIX_OP_ROTATE_QUATERNION: + case COGL_MATRIX_OP_ROTATE_EULER: + case COGL_MATRIX_OP_SCALE: + break; + case COGL_MATRIX_OP_MULTIPLY: + { + CoglMatrixEntryMultiply *multiply = + (CoglMatrixEntryMultiply *)entry; + _cogl_magazine_chunk_free (cogl_matrix_stack_matrices_magazine, + multiply->matrix); + break; + } + case COGL_MATRIX_OP_LOAD: + { + CoglMatrixEntryLoad *load = (CoglMatrixEntryLoad *)entry; + _cogl_magazine_chunk_free (cogl_matrix_stack_matrices_magazine, + load->matrix); + break; + } + case COGL_MATRIX_OP_SAVE: + { + CoglMatrixEntrySave *save = (CoglMatrixEntrySave *)entry; + if (save->cache_valid) + _cogl_magazine_chunk_free (cogl_matrix_stack_matrices_magazine, + save->cache); + break; + } + } + + _cogl_magazine_chunk_free (cogl_matrix_stack_magazine, entry); + } +} + +void +cogl_matrix_stack_pop (CoglMatrixStack *stack) +{ + CoglMatrixEntry *old_top; + CoglMatrixEntry *new_top; + + _COGL_RETURN_IF_FAIL (stack != NULL); + + old_top = stack->last_entry; + _COGL_RETURN_IF_FAIL (old_top != NULL); + + /* To pop we are moving the top of the stack to the old top's parent + * node. The stack always needs to have a reference to the top entry + * so we must take a reference to the new top. The stack would have + * previously had a reference to the old top so we need to decrease + * the ref count on that. We need to ref the new head first in case + * this stack was the only thing referencing the old top. In that + * case the call to cogl_matrix_entry_unref will unref the parent. + */ + + /* Find the last save operation and remove it */ + + /* XXX: it would be an error to pop to the very beginning of the + * stack so we don't need to check for NULL pointer dereferencing. */ + for (new_top = old_top; + new_top->op != COGL_MATRIX_OP_SAVE; + new_top = new_top->parent) + ; + + new_top = new_top->parent; + cogl_matrix_entry_ref (new_top); + + cogl_matrix_entry_unref (old_top); + + stack->last_entry = new_top; +} + +CoglBool +cogl_matrix_stack_get_inverse (CoglMatrixStack *stack, + CoglMatrix *inverse) +{ + CoglMatrix matrix; + CoglMatrix *internal = cogl_matrix_stack_get (stack, &matrix); + + if (internal) + return cogl_matrix_get_inverse (internal, inverse); + else + return cogl_matrix_get_inverse (&matrix, inverse); +} + +/* In addition to writing the stack matrix into the give @matrix + * argument this function *may* sometimes also return a pointer + * to a matrix too so if we are querying the inverse matrix we + * should query from the return matrix so that the result can + * be cached within the stack. */ +CoglMatrix * +cogl_matrix_entry_get (CoglMatrixEntry *entry, + CoglMatrix *matrix) +{ + int depth; + CoglMatrixEntry *current; + CoglMatrixEntry **children; + int i; + + for (depth = 0, current = entry; + current; + current = current->parent, depth++) + { + switch (current->op) + { + case COGL_MATRIX_OP_LOAD_IDENTITY: + cogl_matrix_init_identity (matrix); + goto initialized; + case COGL_MATRIX_OP_LOAD: + { + CoglMatrixEntryLoad *load = (CoglMatrixEntryLoad *)current; + _cogl_matrix_init_from_matrix_without_inverse (matrix, + load->matrix); + goto initialized; + } + case COGL_MATRIX_OP_SAVE: + { + CoglMatrixEntrySave *save = (CoglMatrixEntrySave *)current; + if (!save->cache_valid) + { + CoglMagazine *matrices_magazine = + cogl_matrix_stack_matrices_magazine; + save->cache = _cogl_magazine_chunk_alloc (matrices_magazine); + cogl_matrix_entry_get (current->parent, save->cache); + save->cache_valid = TRUE; + } + _cogl_matrix_init_from_matrix_without_inverse (matrix, save->cache); + goto initialized; + } + default: + continue; + } + } + +initialized: + + if (depth == 0) + { + switch (entry->op) + { + case COGL_MATRIX_OP_LOAD_IDENTITY: + case COGL_MATRIX_OP_TRANSLATE: + case COGL_MATRIX_OP_ROTATE: + case COGL_MATRIX_OP_ROTATE_QUATERNION: + case COGL_MATRIX_OP_ROTATE_EULER: + case COGL_MATRIX_OP_SCALE: + case COGL_MATRIX_OP_MULTIPLY: + return NULL; + + case COGL_MATRIX_OP_LOAD: + { + CoglMatrixEntryLoad *load = (CoglMatrixEntryLoad *)entry; + return load->matrix; + } + case COGL_MATRIX_OP_SAVE: + { + CoglMatrixEntrySave *save = (CoglMatrixEntrySave *)entry; + return save->cache; + } + } + g_warn_if_reached (); + return NULL; + } + +#ifdef COGL_ENABLE_DEBUG + if (!current) + { + g_warning ("Inconsistent matrix stack"); + return NULL; + } + + entry->composite_gets++; +#endif + + children = g_alloca (sizeof (CoglMatrixEntry) * depth); + + /* We need walk the list of entries from the init/load/save entry + * back towards the leaf node but the nodes don't link to their + * children so we need to re-walk them here to add to a separate + * array. */ + for (i = depth - 1, current = entry; + i >= 0 && current; + i--, current = current->parent) + { + children[i] = current; + } + +#ifdef COGL_ENABLE_DEBUG + if (COGL_DEBUG_ENABLED (COGL_DEBUG_PERFORMANCE) && + entry->composite_gets >= 2) + { + COGL_NOTE (PERFORMANCE, + "Re-composing a matrix stack entry multiple times"); + } +#endif + + for (i = 0; i < depth; i++) + { + switch (children[i]->op) + { + case COGL_MATRIX_OP_TRANSLATE: + { + CoglMatrixEntryTranslate *translate = + (CoglMatrixEntryTranslate *)children[i]; + cogl_matrix_translate (matrix, + translate->x, + translate->y, + translate->z); + continue; + } + case COGL_MATRIX_OP_ROTATE: + { + CoglMatrixEntryRotate *rotate= + (CoglMatrixEntryRotate *)children[i]; + cogl_matrix_rotate (matrix, + rotate->angle, + rotate->x, + rotate->y, + rotate->z); + continue; + } + case COGL_MATRIX_OP_ROTATE_EULER: + { + CoglMatrixEntryRotateEuler *rotate = + (CoglMatrixEntryRotateEuler *)children[i]; + CoglEuler euler; + cogl_euler_init (&euler, + rotate->heading, + rotate->pitch, + rotate->roll); + cogl_matrix_rotate_euler (matrix, + &euler); + continue; + } + case COGL_MATRIX_OP_ROTATE_QUATERNION: + { + CoglMatrixEntryRotateQuaternion *rotate = + (CoglMatrixEntryRotateQuaternion *)children[i]; + CoglQuaternion quaternion; + cogl_quaternion_init_from_array (&quaternion, rotate->values); + cogl_matrix_rotate_quaternion (matrix, &quaternion); + continue; + } + case COGL_MATRIX_OP_SCALE: + { + CoglMatrixEntryScale *scale = + (CoglMatrixEntryScale *)children[i]; + cogl_matrix_scale (matrix, + scale->x, + scale->y, + scale->z); + continue; + } + case COGL_MATRIX_OP_MULTIPLY: + { + CoglMatrixEntryMultiply *multiply = + (CoglMatrixEntryMultiply *)children[i]; + cogl_matrix_multiply (matrix, matrix, multiply->matrix); + continue; + } + + case COGL_MATRIX_OP_LOAD_IDENTITY: + case COGL_MATRIX_OP_LOAD: + case COGL_MATRIX_OP_SAVE: + g_warn_if_reached (); + continue; + } + } + + return NULL; +} + +CoglMatrixEntry * +cogl_matrix_stack_get_entry (CoglMatrixStack *stack) +{ + return stack->last_entry; +} + +/* In addition to writing the stack matrix into the give @matrix + * argument this function *may* sometimes also return a pointer + * to a matrix too so if we are querying the inverse matrix we + * should query from the return matrix so that the result can + * be cached within the stack. */ +CoglMatrix * +cogl_matrix_stack_get (CoglMatrixStack *stack, + CoglMatrix *matrix) +{ + return cogl_matrix_entry_get (stack->last_entry, matrix); +} + +static void +_cogl_matrix_stack_free (CoglMatrixStack *stack) +{ + cogl_matrix_entry_unref (stack->last_entry); + g_slice_free (CoglMatrixStack, stack); +} + +CoglMatrixStack * +cogl_matrix_stack_new (CoglContext *ctx) +{ + CoglMatrixStack *stack = g_slice_new (CoglMatrixStack); + + if (G_UNLIKELY (cogl_matrix_stack_magazine == NULL)) + { + cogl_matrix_stack_magazine = + _cogl_magazine_new (sizeof (CoglMatrixEntryFull), 20); + cogl_matrix_stack_matrices_magazine = + _cogl_magazine_new (sizeof (CoglMatrix), 20); + } + + stack->context = ctx; + stack->last_entry = NULL; + + cogl_matrix_entry_ref (&ctx->identity_entry); + _cogl_matrix_stack_push_entry (stack, &ctx->identity_entry); + + return _cogl_matrix_stack_object_new (stack); +} + +static CoglMatrixEntry * +_cogl_matrix_entry_skip_saves (CoglMatrixEntry *entry) +{ + /* We currently assume that every stack starts with an + * _OP_LOAD_IDENTITY so we don't need to worry about + * NULL pointer dereferencing here. */ + while (entry->op == COGL_MATRIX_OP_SAVE) + entry = entry->parent; + + return entry; +} + +CoglBool +cogl_matrix_entry_calculate_translation (CoglMatrixEntry *entry0, + CoglMatrixEntry *entry1, + float *x, + float *y, + float *z) +{ + GSList *head0 = NULL; + GSList *head1 = NULL; + CoglMatrixEntry *node0; + CoglMatrixEntry *node1; + int len0 = 0; + int len1 = 0; + int count; + GSList *common_ancestor0; + GSList *common_ancestor1; + + /* Algorithm: + * + * 1) Ignoring _OP_SAVE entries walk the ancestors of each entry to + * the root node or any non-translation node, adding a pointer to + * each ancestor node to two linked lists. + * + * 2) Compare the lists to find the nodes where they start to + * differ marking the common_ancestor node for each list. + * + * 3) For the list corresponding to entry0, start iterating after + * the common ancestor applying the negative of all translations + * to x, y and z. + * + * 4) For the list corresponding to entry1, start iterating after + * the common ancestor applying the positive of all translations + * to x, y and z. + * + * If we come across any non-translation operations during 3) or 4) + * then bail out returning FALSE. + */ + + for (node0 = entry0; node0; node0 = node0->parent) + { + GSList *link; + + if (node0->op == COGL_MATRIX_OP_SAVE) + continue; + + link = alloca (sizeof (GSList)); + link->next = head0; + link->data = node0; + head0 = link; + len0++; + + if (node0->op != COGL_MATRIX_OP_TRANSLATE) + break; + } + for (node1 = entry1; node1; node1 = node1->parent) + { + GSList *link; + + if (node1->op == COGL_MATRIX_OP_SAVE) + continue; + + link = alloca (sizeof (GSList)); + link->next = head1; + link->data = node1; + head1 = link; + len1++; + + if (node1->op != COGL_MATRIX_OP_TRANSLATE) + break; + } + + if (head0->data != head1->data) + return FALSE; + + common_ancestor0 = head0; + common_ancestor1 = head1; + head0 = head0->next; + head1 = head1->next; + count = MIN (len0, len1) - 1; + while (count--) + { + if (head0->data != head1->data) + break; + common_ancestor0 = head0; + common_ancestor1 = head1; + head0 = head0->next; + head1 = head1->next; + } + + *x = 0; + *y = 0; + *z = 0; + + for (head0 = common_ancestor0->next; head0; head0 = head0->next) + { + CoglMatrixEntryTranslate *translate; + + node0 = head0->data; + + if (node0->op != COGL_MATRIX_OP_TRANSLATE) + return FALSE; + + translate = (CoglMatrixEntryTranslate *)node0; + + *x = *x - translate->x; + *y = *y - translate->y; + *z = *z - translate->z; + } + for (head1 = common_ancestor1->next; head1; head1 = head1->next) + { + CoglMatrixEntryTranslate *translate; + + node1 = head1->data; + + if (node1->op != COGL_MATRIX_OP_TRANSLATE) + return FALSE; + + translate = (CoglMatrixEntryTranslate *)node1; + + *x = *x + translate->x; + *y = *y + translate->y; + *z = *z + translate->z; + } + + return TRUE; +} + +CoglBool +cogl_matrix_entry_is_identity (CoglMatrixEntry *entry) +{ + return entry ? entry->op == COGL_MATRIX_OP_LOAD_IDENTITY : FALSE; +} + +static void +_cogl_matrix_flush_to_gl_builtin (CoglContext *ctx, + CoglBool is_identity, + CoglMatrix *matrix, + CoglMatrixMode mode) +{ + g_assert (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_FIXED)); + +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES) + if (ctx->flushed_matrix_mode != mode) + { + GLenum gl_mode = 0; + + switch (mode) + { + case COGL_MATRIX_MODELVIEW: + gl_mode = GL_MODELVIEW; + break; + + case COGL_MATRIX_PROJECTION: + gl_mode = GL_PROJECTION; + break; + + case COGL_MATRIX_TEXTURE: + gl_mode = GL_TEXTURE; + break; + } + + GE (ctx, glMatrixMode (gl_mode)); + ctx->flushed_matrix_mode = mode; + } + + if (is_identity) + GE (ctx, glLoadIdentity ()); + else + GE (ctx, glLoadMatrixf (cogl_matrix_get_array (matrix))); +#endif +} + +void +_cogl_matrix_entry_flush_to_gl_builtins (CoglContext *ctx, + CoglMatrixEntry *entry, + CoglMatrixMode mode, + CoglFramebuffer *framebuffer, + CoglBool disable_flip) +{ + g_assert (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_FIXED)); + +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES) + { + CoglBool needs_flip; + CoglMatrixEntryCache *cache; + + if (mode == COGL_MATRIX_PROJECTION) + { + /* Because Cogl defines texture coordinates to have a top left + * origin and because offscreen framebuffers may be used for + * rendering to textures we always render upside down to + * offscreen buffers. Also for some backends we need to render + * onscreen buffers upside-down too. + */ + if (disable_flip) + needs_flip = FALSE; + else + needs_flip = cogl_is_offscreen (framebuffer); + + cache = &ctx->builtin_flushed_projection; + } + else + { + needs_flip = FALSE; + + if (mode == COGL_MATRIX_MODELVIEW) + cache = &ctx->builtin_flushed_modelview; + else + cache = NULL; + } + + /* We don't need to do anything if the state is the same */ + if (!cache || + _cogl_matrix_entry_cache_maybe_update (cache, entry, needs_flip)) + { + CoglBool is_identity; + CoglMatrix matrix; + + if (entry->op == COGL_MATRIX_OP_LOAD_IDENTITY) + is_identity = TRUE; + else + { + is_identity = FALSE; + cogl_matrix_entry_get (entry, &matrix); + } + + if (needs_flip) + { + CoglMatrix flipped_matrix; + + cogl_matrix_multiply (&flipped_matrix, + &ctx->y_flip_matrix, + is_identity ? + &ctx->identity_matrix : + &matrix); + + _cogl_matrix_flush_to_gl_builtin (ctx, + /* not identity */ + FALSE, + &flipped_matrix, + mode); + } + else + { + _cogl_matrix_flush_to_gl_builtin (ctx, + is_identity, + &matrix, + mode); + } + } + } +#endif +} + +CoglBool +cogl_matrix_entry_equal (CoglMatrixEntry *entry0, + CoglMatrixEntry *entry1) +{ + for (; + entry0 && entry1; + entry0 = entry0->parent, entry1 = entry1->parent) + { + entry0 = _cogl_matrix_entry_skip_saves (entry0); + entry1 = _cogl_matrix_entry_skip_saves (entry1); + + if (entry0 == entry1) + return TRUE; + + if (entry0->op != entry1->op) + return FALSE; + + switch (entry0->op) + { + case COGL_MATRIX_OP_LOAD_IDENTITY: + return TRUE; + case COGL_MATRIX_OP_TRANSLATE: + { + CoglMatrixEntryTranslate *translate0 = + (CoglMatrixEntryTranslate *)entry0; + CoglMatrixEntryTranslate *translate1 = + (CoglMatrixEntryTranslate *)entry1; + /* We could perhaps use an epsilon to compare here? + * I expect the false negatives are probaly never going to + * be a problem and this is a bit cheaper. */ + if (translate0->x != translate1->x || + translate0->y != translate1->y || + translate0->z != translate1->z) + return FALSE; + } + break; + case COGL_MATRIX_OP_ROTATE: + { + CoglMatrixEntryRotate *rotate0 = + (CoglMatrixEntryRotate *)entry0; + CoglMatrixEntryRotate *rotate1 = + (CoglMatrixEntryRotate *)entry1; + if (rotate0->angle != rotate1->angle || + rotate0->x != rotate1->x || + rotate0->y != rotate1->y || + rotate0->z != rotate1->z) + return FALSE; + } + break; + case COGL_MATRIX_OP_ROTATE_QUATERNION: + { + CoglMatrixEntryRotateQuaternion *rotate0 = + (CoglMatrixEntryRotateQuaternion *)entry0; + CoglMatrixEntryRotateQuaternion *rotate1 = + (CoglMatrixEntryRotateQuaternion *)entry1; + int i; + for (i = 0; i < 4; i++) + if (rotate0->values[i] != rotate1->values[i]) + return FALSE; + } + break; + case COGL_MATRIX_OP_ROTATE_EULER: + { + CoglMatrixEntryRotateEuler *rotate0 = + (CoglMatrixEntryRotateEuler *)entry0; + CoglMatrixEntryRotateEuler *rotate1 = + (CoglMatrixEntryRotateEuler *)entry1; + + if (rotate0->heading != rotate1->heading || + rotate0->pitch != rotate1->pitch || + rotate0->roll != rotate1->roll) + return FALSE; + } + break; + case COGL_MATRIX_OP_SCALE: + { + CoglMatrixEntryScale *scale0 = (CoglMatrixEntryScale *)entry0; + CoglMatrixEntryScale *scale1 = (CoglMatrixEntryScale *)entry1; + if (scale0->x != scale1->x || + scale0->y != scale1->y || + scale0->z != scale1->z) + return FALSE; + } + break; + case COGL_MATRIX_OP_MULTIPLY: + { + CoglMatrixEntryMultiply *mult0 = (CoglMatrixEntryMultiply *)entry0; + CoglMatrixEntryMultiply *mult1 = (CoglMatrixEntryMultiply *)entry1; + if (!cogl_matrix_equal (mult0->matrix, mult1->matrix)) + return FALSE; + } + break; + case COGL_MATRIX_OP_LOAD: + { + CoglMatrixEntryLoad *load0 = (CoglMatrixEntryLoad *)entry0; + CoglMatrixEntryLoad *load1 = (CoglMatrixEntryLoad *)entry1; + /* There's no need to check any further since an + * _OP_LOAD makes all the ancestors redundant as far as + * the final matrix value is concerned. */ + return cogl_matrix_equal (load0->matrix, load1->matrix); + } + case COGL_MATRIX_OP_SAVE: + /* We skip over saves above so we shouldn't see save entries */ + g_warn_if_reached (); + } + } + + return FALSE; +} + +void +cogl_debug_matrix_entry_print (CoglMatrixEntry *entry) +{ + int depth; + CoglMatrixEntry *e; + CoglMatrixEntry **children; + int i; + + for (depth = 0, e = entry; e; e = e->parent) + depth++; + + children = g_alloca (sizeof (CoglMatrixEntry) * depth); + + for (i = depth - 1, e = entry; + i >= 0 && e; + i--, e = e->parent) + { + children[i] = e; + } + + g_print ("MatrixEntry %p =\n", entry); + + for (i = 0; i < depth; i++) + { + entry = children[i]; + + switch (entry->op) + { + case COGL_MATRIX_OP_LOAD_IDENTITY: + g_print (" LOAD IDENTITY\n"); + continue; + case COGL_MATRIX_OP_TRANSLATE: + { + CoglMatrixEntryTranslate *translate = + (CoglMatrixEntryTranslate *)entry; + g_print (" TRANSLATE X=%f Y=%f Z=%f\n", + translate->x, + translate->y, + translate->z); + continue; + } + case COGL_MATRIX_OP_ROTATE: + { + CoglMatrixEntryRotate *rotate = + (CoglMatrixEntryRotate *)entry; + g_print (" ROTATE ANGLE=%f X=%f Y=%f Z=%f\n", + rotate->angle, + rotate->x, + rotate->y, + rotate->z); + continue; + } + case COGL_MATRIX_OP_ROTATE_QUATERNION: + { + CoglMatrixEntryRotateQuaternion *rotate = + (CoglMatrixEntryRotateQuaternion *)entry; + g_print (" ROTATE QUATERNION w=%f x=%f y=%f z=%f\n", + rotate->values[0], + rotate->values[1], + rotate->values[2], + rotate->values[3]); + continue; + } + case COGL_MATRIX_OP_ROTATE_EULER: + { + CoglMatrixEntryRotateEuler *rotate = + (CoglMatrixEntryRotateEuler *)entry; + g_print (" ROTATE EULER heading=%f pitch=%f roll=%f\n", + rotate->heading, + rotate->pitch, + rotate->roll); + continue; + } + case COGL_MATRIX_OP_SCALE: + { + CoglMatrixEntryScale *scale = (CoglMatrixEntryScale *)entry; + g_print (" SCALE X=%f Y=%f Z=%f\n", + scale->x, + scale->y, + scale->z); + continue; + } + case COGL_MATRIX_OP_MULTIPLY: + { + CoglMatrixEntryMultiply *mult = (CoglMatrixEntryMultiply *)entry; + g_print (" MULT:\n"); + _cogl_matrix_prefix_print (" ", mult->matrix); + continue; + } + case COGL_MATRIX_OP_LOAD: + { + CoglMatrixEntryLoad *load = (CoglMatrixEntryLoad *)entry; + g_print (" LOAD:\n"); + _cogl_matrix_prefix_print (" ", load->matrix); + continue; + } + case COGL_MATRIX_OP_SAVE: + g_print (" SAVE\n"); + } + } +} + +void +_cogl_matrix_entry_cache_init (CoglMatrixEntryCache *cache) +{ + cache->entry = NULL; + cache->flushed_identity = FALSE; + cache->flipped = FALSE; +} + +/* NB: This function can report false negatives since it never does a + * deep comparison of the stack matrices. */ +CoglBool +_cogl_matrix_entry_cache_maybe_update (CoglMatrixEntryCache *cache, + CoglMatrixEntry *entry, + CoglBool flip) +{ + CoglBool is_identity; + CoglBool updated = FALSE; + + if (cache->flipped != flip) + { + cache->flipped = flip; + updated = TRUE; + } + + is_identity = (entry->op == COGL_MATRIX_OP_LOAD_IDENTITY); + if (cache->flushed_identity != is_identity) + { + cache->flushed_identity = is_identity; + updated = TRUE; + } + + if (cache->entry != entry) + { + cogl_matrix_entry_ref (entry); + if (cache->entry) + cogl_matrix_entry_unref (cache->entry); + cache->entry = entry; + + /* We want to make sure here that if the cache->entry and the + * given @entry are both identity matrices then even though they + * are different entries we don't want to consider this an + * update... + */ + updated |= !is_identity; + } + + return updated; +} + +void +_cogl_matrix_entry_cache_destroy (CoglMatrixEntryCache *cache) +{ + if (cache->entry) + cogl_matrix_entry_unref (cache->entry); +} diff --git a/cogl/cogl-matrix-stack.h b/cogl/cogl-matrix-stack.h new file mode 100644 index 0000000..6ea323a --- /dev/null +++ b/cogl/cogl-matrix-stack.h @@ -0,0 +1,645 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009,2010,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Havoc Pennington for litl + * Robert Bragg + */ + +#ifndef _COGL_MATRIX_STACK_H_ +#define _COGL_MATRIX_STACK_H_ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#include "cogl-matrix.h" +#include "cogl-context.h" + + +/** + * SECTION:cogl-matrix-stack + * @short_description: Functions for efficiently tracking many + * related transformations + * + * Matrices can be used (for example) to describe the model-view + * transforms of objects, texture transforms, and projective + * transforms. + * + * The #CoglMatrix api provides a good way to manipulate individual + * matrices representing a single transformation but if you need to + * track many-many such transformations for many objects that are + * organized in a scenegraph for example then using a separate + * #CoglMatrix for each object may not be the most efficient way. + * + * A #CoglMatrixStack enables applications to track lots of + * transformations that are related to each other in some kind of + * hierarchy. In a scenegraph for example if you want to know how to + * transform a particular node then you usually have to walk up + * through the ancestors and accumulate their transforms before + * finally applying the transform of the node itself. In this model + * things are grouped together spatially according to their ancestry + * and all siblings with the same parent share the same initial + * transformation. The #CoglMatrixStack API is suited to tracking lots + * of transformations that fit this kind of model. + * + * Compared to using the #CoglMatrix api directly to track many + * related transforms, these can be some advantages to using a + * #CoglMatrixStack: + * + * Faster equality comparisons of transformations + * Efficient comparisons of the differences between arbitrary + * transformations + * Avoid redundant arithmetic related to common transforms + * + * Can be more space efficient (not always though) + * + * + * For reference (to give an idea of when a #CoglMatrixStack can + * provide a space saving) a #CoglMatrix can be expected to take 72 + * bytes whereas a single #CoglMatrixEntry in a #CoglMatrixStack is + * currently around 32 bytes on a 32bit CPU or 36 bytes on a 64bit + * CPU. An entry is needed for each individual operation applied to + * the stack (such as rotate, scale, translate) so if most of your + * leaf node transformations only need one or two simple operations + * relative to their parent then a matrix stack will likely take less + * space than having a #CoglMatrix for each node. + * + * Even without any space saving though the ability to perform fast + * comparisons and avoid redundant arithmetic (especially sine and + * cosine calculations for rotations) can make using a matrix stack + * worthwhile. + */ + +/** + * CoglMatrixStack: + * + * Tracks your current position within a hierarchy and lets you build + * up a graph of transformations as you traverse through a hierarchy + * such as a scenegraph. + * + * A #CoglMatrixStack always maintains a reference to a single + * transformation at any point in time, representing the + * transformation at the current position in the hierarchy. You can + * get a reference to the current transformation by calling + * cogl_matrix_stack_get_entry(). + * + * When a #CoglMatrixStack is first created with + * cogl_matrix_stack_new() then it is conceptually positioned at the + * root of your hierarchy and the current transformation simply + * represents an identity transformation. + * + * As you traverse your object hierarchy (your scenegraph) then you + * should call cogl_matrix_stack_push() whenever you move down one + * level and call cogl_matrix_stack_pop() whenever you move back up + * one level towards the root. + * + * At any time you can apply a set of operations, such as "rotate", + * "scale", "translate" on top of the current transformation of a + * #CoglMatrixStack using functions such as + * cogl_matrix_stack_rotate(), cogl_matrix_stack_scale() and + * cogl_matrix_stack_translate(). These operations will derive a new + * current transformation and will never affect a transformation + * that you have referenced using cogl_matrix_stack_get_entry(). + * + * Internally applying operations to a #CoglMatrixStack builds up a + * graph of #CoglMatrixEntry structures which each represent a single + * immutable transform. + */ +typedef struct _CoglMatrixStack CoglMatrixStack; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_matrix_stack_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_matrix_stack_get_gtype (void); +#endif + +/** + * CoglMatrixEntry: + * + * Represents a single immutable transformation that was retrieved + * from a #CoglMatrixStack using cogl_matrix_stack_get_entry(). + * + * Internally a #CoglMatrixEntry represents a single matrix + * operation (such as "rotate", "scale", "translate") which is applied + * to the transform of a single parent entry. + * + * Using the #CoglMatrixStack api effectively builds up a graph of + * these immutable #CoglMatrixEntry structures whereby operations + * that can be shared between multiple transformations will result + * in shared #CoglMatrixEntry nodes in the graph. + * + * When a #CoglMatrixStack is first created it references one + * #CoglMatrixEntry that represents a single "load identity" + * operation. This serves as the root entry and all operations + * that are then applied to the stack will extend the graph + * starting from this root "load identity" entry. + * + * Given the typical usage model for a #CoglMatrixStack and the way + * the entries are built up while traversing a scenegraph then in most + * cases where an application is interested in comparing two + * transformations for equality then it is enough to simply compare + * two #CoglMatrixEntry pointers directly. Technically this can lead + * to false negatives that could be identified with a deeper + * comparison but often these false negatives are unlikely and + * don't matter anyway so this enables extremely cheap comparisons. + * + * #CoglMatrixEntrys are reference counted using + * cogl_matrix_entry_ref() and cogl_matrix_entry_unref() not with + * cogl_object_ref() and cogl_object_unref(). + */ +typedef struct _CoglMatrixEntry CoglMatrixEntry; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_matrix_entry_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_matrix_entry_get_gtype (void); +#endif + + +/** + * cogl_matrix_stack_new: + * @ctx: A #CoglContext + * + * Allocates a new #CoglMatrixStack that can be used to build up + * transformations relating to objects in a scenegraph like hierarchy. + * (See the description of #CoglMatrixStack and #CoglMatrixEntry for + * more details of what a matrix stack is best suited for) + * + * When a #CoglMatrixStack is first allocated it is conceptually + * positioned at the root of your scenegraph hierarchy. As you + * traverse your scenegraph then you should call + * cogl_matrix_stack_push() whenever you move down a level and + * cogl_matrix_stack_pop() whenever you move back up a level towards + * the root. + * + * Once you have allocated a #CoglMatrixStack you can get a reference + * to the current transformation for the current position in the + * hierarchy by calling cogl_matrix_stack_get_entry(). + * + * Once you have allocated a #CoglMatrixStack you can apply operations + * such as rotate, scale and translate to modify the current transform + * for the current position in the hierarchy by calling + * cogl_matrix_stack_rotate(), cogl_matrix_stack_scale() and + * cogl_matrix_stack_translate(). + * + * Return value: (transfer full): A newly allocated #CoglMatrixStack + */ +CoglMatrixStack * +cogl_matrix_stack_new (CoglContext *ctx); + +/** + * cogl_matrix_stack_push: + * @stack: A #CoglMatrixStack + * + * Saves the current transform and starts a new transform that derives + * from the current transform. + * + * This is usually called while traversing a scenegraph whenever you + * traverse one level deeper. cogl_matrix_stack_pop() can then be + * called when going back up one layer to restore the previous + * transform of an ancestor. + */ +void +cogl_matrix_stack_push (CoglMatrixStack *stack); + +/** + * cogl_matrix_stack_pop: + * @stack: A #CoglMatrixStack + * + * Restores the previous transform that was last saved by calling + * cogl_matrix_stack_push(). + * + * This is usually called while traversing a scenegraph whenever you + * return up one level in the graph towards the root node. + */ +void +cogl_matrix_stack_pop (CoglMatrixStack *stack); + +/** + * cogl_matrix_stack_load_identity: + * @stack: A #CoglMatrixStack + * + * Resets the current matrix to the identity matrix. + */ +void +cogl_matrix_stack_load_identity (CoglMatrixStack *stack); + +/** + * cogl_matrix_stack_scale: + * @stack: A #CoglMatrixStack + * @x: Amount to scale along the x-axis + * @y: Amount to scale along the y-axis + * @z: Amount to scale along the z-axis + * + * Multiplies the current matrix by one that scales the x, y and z + * axes by the given values. + */ +void +cogl_matrix_stack_scale (CoglMatrixStack *stack, + float x, + float y, + float z); + +/** + * cogl_matrix_stack_translate: + * @stack: A #CoglMatrixStack + * @x: Distance to translate along the x-axis + * @y: Distance to translate along the y-axis + * @z: Distance to translate along the z-axis + * + * Multiplies the current matrix by one that translates along all + * three axes according to the given values. + */ +void +cogl_matrix_stack_translate (CoglMatrixStack *stack, + float x, + float y, + float z); + +/** + * cogl_matrix_stack_rotate: + * @stack: A #CoglMatrixStack + * @angle: Angle in degrees to rotate. + * @x: X-component of vertex to rotate around. + * @y: Y-component of vertex to rotate around. + * @z: Z-component of vertex to rotate around. + * + * Multiplies the current matrix by one that rotates the around the + * axis-vector specified by @x, @y and @z. The rotation follows the + * right-hand thumb rule so for example rotating by 10 degrees about + * the axis-vector (0, 0, 1) causes a small counter-clockwise + * rotation. + */ +void +cogl_matrix_stack_rotate (CoglMatrixStack *stack, + float angle, + float x, + float y, + float z); + +/** + * cogl_matrix_stack_rotate_quaternion: + * @stack: A #CoglMatrixStack + * @quaternion: A #CoglQuaternion + * + * Multiplies the current matrix by one that rotates according to the + * rotation described by @quaternion. + */ +void +cogl_matrix_stack_rotate_quaternion (CoglMatrixStack *stack, + const CoglQuaternion *quaternion); + +/** + * cogl_matrix_stack_rotate_euler: + * @stack: A #CoglMatrixStack + * @euler: A #CoglEuler + * + * Multiplies the current matrix by one that rotates according to the + * rotation described by @euler. + */ +void +cogl_matrix_stack_rotate_euler (CoglMatrixStack *stack, + const CoglEuler *euler); + +/** + * cogl_matrix_stack_multiply: + * @stack: A #CoglMatrixStack + * @matrix: the matrix to multiply with the current model-view + * + * Multiplies the current matrix by the given matrix. + */ +void +cogl_matrix_stack_multiply (CoglMatrixStack *stack, + const CoglMatrix *matrix); + +/** + * cogl_matrix_stack_frustum: + * @stack: A #CoglMatrixStack + * @left: X position of the left clipping plane where it + * intersects the near clipping plane + * @right: X position of the right clipping plane where it + * intersects the near clipping plane + * @bottom: Y position of the bottom clipping plane where it + * intersects the near clipping plane + * @top: Y position of the top clipping plane where it intersects + * the near clipping plane + * @z_near: The distance to the near clipping plane (Must be positive) + * @z_far: The distance to the far clipping plane (Must be positive) + * + * Replaces the current matrix with a perspective matrix for a given + * viewing frustum defined by 4 side clip planes that all cross + * through the origin and 2 near and far clip planes. + */ +void +cogl_matrix_stack_frustum (CoglMatrixStack *stack, + float left, + float right, + float bottom, + float top, + float z_near, + float z_far); + +/** + * cogl_matrix_stack_perspective: + * @stack: A #CoglMatrixStack + * @fov_y: Vertical field of view angle in degrees. + * @aspect: The (width over height) aspect ratio for display + * @z_near: The distance to the near clipping plane (Must be positive, + * and must not be 0) + * @z_far: The distance to the far clipping plane (Must be positive) + * + * Replaces the current matrix with a perspective matrix based on the + * provided values. + * + * You should be careful not to have too great a @z_far / @z_near + * ratio since that will reduce the effectiveness of depth testing + * since there wont be enough precision to identify the depth of + * objects near to each other. + */ +void +cogl_matrix_stack_perspective (CoglMatrixStack *stack, + float fov_y, + float aspect, + float z_near, + float z_far); + +/** + * cogl_matrix_stack_orthographic: + * @stack: A #CoglMatrixStack + * @x_1: The x coordinate for the first vertical clipping plane + * @y_1: The y coordinate for the first horizontal clipping plane + * @x_2: The x coordinate for the second vertical clipping plane + * @y_2: The y coordinate for the second horizontal clipping plane + * @near: The distance to the near clipping + * plane (will be negative if the plane is + * behind the viewer) + * @far: The distance to the far clipping + * plane (will be negative if the plane is + * behind the viewer) + * + * Replaces the current matrix with an orthographic projection matrix. + */ +void +cogl_matrix_stack_orthographic (CoglMatrixStack *stack, + float x_1, + float y_1, + float x_2, + float y_2, + float near, + float far); + +/** + * cogl_matrix_stack_get_inverse: + * @stack: A #CoglMatrixStack + * @inverse: (out): The destination for a 4x4 inverse transformation matrix + * + * Gets the inverse transform of the current matrix and uses it to + * initialize a new #CoglMatrix. + * + * Return value: %TRUE if the inverse was successfully calculated or %FALSE + * for degenerate transformations that can't be inverted (in this case the + * @inverse matrix will simply be initialized with the identity matrix) + */ +CoglBool +cogl_matrix_stack_get_inverse (CoglMatrixStack *stack, + CoglMatrix *inverse); + +/** + * cogl_matrix_stack_get_entry: + * @stack: A #CoglMatrixStack + * + * Gets a reference to the current transform represented by a + * #CoglMatrixEntry pointer. + * + * The transform represented by a #CoglMatrixEntry is + * immutable. + * + * #CoglMatrixEntrys are reference counted using + * cogl_matrix_entry_ref() and cogl_matrix_entry_unref() and you + * should call cogl_matrix_entry_unref() when you are finished with + * and entry you get via cogl_matrix_stack_get_entry(). + * + * Return value: (transfer none): A pointer to the #CoglMatrixEntry + * representing the current matrix stack transform. + */ +CoglMatrixEntry * +cogl_matrix_stack_get_entry (CoglMatrixStack *stack); + +/** + * cogl_matrix_stack_get: + * @stack: A #CoglMatrixStack + * @matrix: (out): The potential destination for the current matrix + * + * Resolves the current @stack transform into a #CoglMatrix by + * combining the operations that have been applied to build up the + * current transform. + * + * There are two possible ways that this function may return its + * result depending on whether the stack is able to directly point + * to an internal #CoglMatrix or whether the result needs to be + * composed of multiple operations. + * + * If an internal matrix contains the required result then this + * function will directly return a pointer to that matrix, otherwise + * if the function returns %NULL then @matrix will be initialized + * to match the current transform of @stack. + * + * @matrix will be left untouched if a direct pointer is + * returned. + * + * Return value: A direct pointer to the current transform or %NULL + * and in that case @matrix will be initialized with + * the value of the current transform. + */ +CoglMatrix * +cogl_matrix_stack_get (CoglMatrixStack *stack, + CoglMatrix *matrix); + +/** + * cogl_matrix_entry_get: + * @entry: A #CoglMatrixEntry + * @matrix: (out): The potential destination for the transform as + * a matrix + * + * Resolves the current @entry transform into a #CoglMatrix by + * combining the sequence of operations that have been applied to + * build up the current transform. + * + * There are two possible ways that this function may return its + * result depending on whether it's possible to directly point + * to an internal #CoglMatrix or whether the result needs to be + * composed of multiple operations. + * + * If an internal matrix contains the required result then this + * function will directly return a pointer to that matrix, otherwise + * if the function returns %NULL then @matrix will be initialized + * to match the transform of @entry. + * + * @matrix will be left untouched if a direct pointer is + * returned. + * + * Return value: A direct pointer to a #CoglMatrix transform or %NULL + * and in that case @matrix will be initialized with + * the effective transform represented by @entry. + */ +CoglMatrix * +cogl_matrix_entry_get (CoglMatrixEntry *entry, + CoglMatrix *matrix); + +/** + * cogl_matrix_stack_set: + * @stack: A #CoglMatrixStack + * @matrix: A #CoglMatrix replace the current matrix value with + * + * Replaces the current @stack matrix value with the value of @matrix. + * This effectively discards any other operations that were applied + * since the last time cogl_matrix_stack_push() was called or since + * the stack was initialized. + */ +void +cogl_matrix_stack_set (CoglMatrixStack *stack, + const CoglMatrix *matrix); + +/** + * cogl_is_matrix_stack: + * @object: a #CoglObject + * + * Determines if the given #CoglObject refers to a #CoglMatrixStack. + * + * Return value: %TRUE if @object is a #CoglMatrixStack, otherwise + * %FALSE. + */ +CoglBool +cogl_is_matrix_stack (void *object); + +/** + * cogl_matrix_entry_calculate_translation: + * @entry0: The first reference transform + * @entry1: A second reference transform + * @x: (out): The destination for the x-component of the translation + * @y: (out): The destination for the y-component of the translation + * @z: (out): The destination for the z-component of the translation + * + * Determines if the only difference between two transforms is a + * translation and if so returns what the @x, @y, and @z components of + * the translation are. + * + * If the difference between the two translations involves anything + * other than a translation then the function returns %FALSE. + * + * Return value: %TRUE if the only difference between the transform of + * @entry0 and the transform of @entry1 is a translation, + * otherwise %FALSE. + */ +CoglBool +cogl_matrix_entry_calculate_translation (CoglMatrixEntry *entry0, + CoglMatrixEntry *entry1, + float *x, + float *y, + float *z); + +/** + * cogl_matrix_entry_is_identity: + * @entry: A #CoglMatrixEntry + * + * Determines whether @entry is known to represent an identity + * transform. + * + * If this returns %TRUE then the entry is definitely the identity + * matrix. If it returns %FALSE it may or may not be the identity + * matrix but no expensive comparison is performed to verify it. + * + * Return value: %TRUE if @entry is definitely an identity transform, + * otherwise %FALSE. + */ +CoglBool +cogl_matrix_entry_is_identity (CoglMatrixEntry *entry); + +/** + * cogl_matrix_entry_equal: + * @entry0: The first #CoglMatrixEntry to compare + * @entry1: A second #CoglMatrixEntry to compare + * + * Compares two arbitrary #CoglMatrixEntry transforms for equality + * returning %TRUE if they are equal or %FALSE otherwise. + * + * In many cases it is unnecessary to use this api and instead + * direct pointer comparisons of entries are good enough and much + * cheaper too. + * + * Return value: %TRUE if @entry0 represents the same transform as + * @entry1, otherwise %FALSE. + */ +CoglBool +cogl_matrix_entry_equal (CoglMatrixEntry *entry0, + CoglMatrixEntry *entry1); + +/** + * cogl_debug_matrix_entry_print: + * @entry: A #CoglMatrixEntry + * + * Allows visualizing the operations that build up the given @entry + * for debugging purposes by printing to stdout. + */ +void +cogl_debug_matrix_entry_print (CoglMatrixEntry *entry); + +/** + * cogl_matrix_entry_ref: + * @entry: A #CoglMatrixEntry + * + * Takes a reference on the given @entry to ensure the @entry stays + * alive and remains valid. When you are finished with the @entry then + * you should call cogl_matrix_entry_unref(). + * + * It is an error to pass an @entry pointer to cogl_object_ref() and + * cogl_object_unref() + */ +CoglMatrixEntry * +cogl_matrix_entry_ref (CoglMatrixEntry *entry); + +/** + * cogl_matrix_entry_unref: + * @entry: A #CoglMatrixEntry + * + * Releases a reference on @entry either taken by calling + * cogl_matrix_entry_unref() or to release the reference given when + * calling cogl_matrix_stack_get_entry(). + */ +void +cogl_matrix_entry_unref (CoglMatrixEntry *entry); + +#endif /* _COGL_MATRIX_STACK_H_ */ diff --git a/cogl/cogl-matrix.c b/cogl/cogl-matrix.c new file mode 100644 index 0000000..fd0f6af --- /dev/null +++ b/cogl/cogl-matrix.c @@ -0,0 +1,2313 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009,2010,2011 Intel Corporation. + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ +/* + * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * Note: a lot of this code is based on code that was taken from Mesa. + * + * Changes compared to the original code from Mesa: + * + * - instead of allocating matrix->m and matrix->inv using malloc, our + * public CoglMatrix typedef is large enough to directly contain the + * matrix, its inverse, a type and a set of flags. + * - instead of having a _cogl_matrix_analyse which updates the type, + * flags and inverse, we have _cogl_matrix_update_inverse which + * essentially does the same thing (internally making use of + * _cogl_matrix_update_type_and_flags()) but with additional guards in + * place to bail out when the inverse matrix is still valid. + * - when initializing a matrix with the identity matrix we don't + * immediately initialize the inverse matrix; rather we just set the + * dirty flag for the inverse (since it's likely the user won't request + * the inverse of the identity matrix) + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +COGL_GTYPE_DEFINE_BOXED (Matrix, matrix, + cogl_matrix_copy, + cogl_matrix_free); + +/* + * Symbolic names to some of the entries in the matrix + * + * These are handy for the viewport mapping, which is expressed as a matrix. + */ +#define MAT_SX 0 +#define MAT_SY 5 +#define MAT_SZ 10 +#define MAT_TX 12 +#define MAT_TY 13 +#define MAT_TZ 14 + +/* + * These identify different kinds of 4x4 transformation matrices and we use + * this information to find fast-paths when available. + */ +enum CoglMatrixType { + COGL_MATRIX_TYPE_GENERAL, /**< general 4x4 matrix */ + COGL_MATRIX_TYPE_IDENTITY, /**< identity matrix */ + COGL_MATRIX_TYPE_3D_NO_ROT, /**< orthogonal projection and others... */ + COGL_MATRIX_TYPE_PERSPECTIVE, /**< perspective projection matrix */ + COGL_MATRIX_TYPE_2D, /**< 2-D transformation */ + COGL_MATRIX_TYPE_2D_NO_ROT, /**< 2-D scale & translate only */ + COGL_MATRIX_TYPE_3D, /**< 3-D transformation */ + COGL_MATRIX_N_TYPES +} ; + +#define DEG2RAD (G_PI/180.0) + +/* Dot product of two 2-element vectors */ +#define DOT2(A,B) ( (A)[0]*(B)[0] + (A)[1]*(B)[1] ) + +/* Dot product of two 3-element vectors */ +#define DOT3(A,B) ( (A)[0]*(B)[0] + (A)[1]*(B)[1] + (A)[2]*(B)[2] ) + +#define CROSS3(N, U, V) \ +do { \ + (N)[0] = (U)[1]*(V)[2] - (U)[2]*(V)[1]; \ + (N)[1] = (U)[2]*(V)[0] - (U)[0]*(V)[2]; \ + (N)[2] = (U)[0]*(V)[1] - (U)[1]*(V)[0]; \ +} while (0) + +#define SUB_3V(DST, SRCA, SRCB) \ +do { \ + (DST)[0] = (SRCA)[0] - (SRCB)[0]; \ + (DST)[1] = (SRCA)[1] - (SRCB)[1]; \ + (DST)[2] = (SRCA)[2] - (SRCB)[2]; \ +} while (0) + +#define LEN_SQUARED_3FV( V ) ((V)[0]*(V)[0]+(V)[1]*(V)[1]+(V)[2]*(V)[2]) + +/* + * \defgroup MatFlags MAT_FLAG_XXX-flags + * + * Bitmasks to indicate different kinds of 4x4 matrices in CoglMatrix::flags + */ +#define MAT_FLAG_IDENTITY 0 /*< is an identity matrix flag. + * (Not actually used - the identity + * matrix is identified by the absense + * of all other flags.) + */ +#define MAT_FLAG_GENERAL 0x1 /*< is a general matrix flag */ +#define MAT_FLAG_ROTATION 0x2 /*< is a rotation matrix flag */ +#define MAT_FLAG_TRANSLATION 0x4 /*< is a translation matrix flag */ +#define MAT_FLAG_UNIFORM_SCALE 0x8 /*< is an uniform scaling matrix flag */ +#define MAT_FLAG_GENERAL_SCALE 0x10 /*< is a general scaling matrix flag */ +#define MAT_FLAG_GENERAL_3D 0x20 /*< general 3D matrix flag */ +#define MAT_FLAG_PERSPECTIVE 0x40 /*< is a perspective proj matrix flag */ +#define MAT_FLAG_SINGULAR 0x80 /*< is a singular matrix flag */ +#define MAT_DIRTY_TYPE 0x100 /*< matrix type is dirty */ +#define MAT_DIRTY_FLAGS 0x200 /*< matrix flags are dirty */ +#define MAT_DIRTY_INVERSE 0x400 /*< matrix inverse is dirty */ + +/* angle preserving matrix flags mask */ +#define MAT_FLAGS_ANGLE_PRESERVING (MAT_FLAG_ROTATION | \ + MAT_FLAG_TRANSLATION | \ + MAT_FLAG_UNIFORM_SCALE) + +/* geometry related matrix flags mask */ +#define MAT_FLAGS_GEOMETRY (MAT_FLAG_GENERAL | \ + MAT_FLAG_ROTATION | \ + MAT_FLAG_TRANSLATION | \ + MAT_FLAG_UNIFORM_SCALE | \ + MAT_FLAG_GENERAL_SCALE | \ + MAT_FLAG_GENERAL_3D | \ + MAT_FLAG_PERSPECTIVE | \ + MAT_FLAG_SINGULAR) + +/* length preserving matrix flags mask */ +#define MAT_FLAGS_LENGTH_PRESERVING (MAT_FLAG_ROTATION | \ + MAT_FLAG_TRANSLATION) + + +/* 3D (non-perspective) matrix flags mask */ +#define MAT_FLAGS_3D (MAT_FLAG_ROTATION | \ + MAT_FLAG_TRANSLATION | \ + MAT_FLAG_UNIFORM_SCALE | \ + MAT_FLAG_GENERAL_SCALE | \ + MAT_FLAG_GENERAL_3D) + +/* dirty matrix flags mask */ +#define MAT_DIRTY_ALL (MAT_DIRTY_TYPE | \ + MAT_DIRTY_FLAGS | \ + MAT_DIRTY_INVERSE) + + +/* + * Test geometry related matrix flags. + * + * @mat a pointer to a CoglMatrix structure. + * @a flags mask. + * + * Returns: non-zero if all geometry related matrix flags are contained within + * the mask, or zero otherwise. + */ +#define TEST_MAT_FLAGS(mat, a) \ + ((MAT_FLAGS_GEOMETRY & (~(a)) & ((mat)->flags) ) == 0) + + + +/* + * Names of the corresponding CoglMatrixType values. + */ +static const char *types[] = { + "COGL_MATRIX_TYPE_GENERAL", + "COGL_MATRIX_TYPE_IDENTITY", + "COGL_MATRIX_TYPE_3D_NO_ROT", + "COGL_MATRIX_TYPE_PERSPECTIVE", + "COGL_MATRIX_TYPE_2D", + "COGL_MATRIX_TYPE_2D_NO_ROT", + "COGL_MATRIX_TYPE_3D" +}; + + +/* + * Identity matrix. + */ +static float identity[16] = { + 1.0, 0.0, 0.0, 0.0, + 0.0, 1.0, 0.0, 0.0, + 0.0, 0.0, 1.0, 0.0, + 0.0, 0.0, 0.0, 1.0 +}; + + +#define A(row,col) a[(col<<2)+row] +#define B(row,col) b[(col<<2)+row] +#define R(row,col) result[(col<<2)+row] + +/* + * Perform a full 4x4 matrix multiplication. + * + * It's assumed that @result != @b. @product == @a is allowed. + * + * KW: 4*16 = 64 multiplications + */ +static void +matrix_multiply4x4 (float *result, const float *a, const float *b) +{ + int i; + for (i = 0; i < 4; i++) + { + const float ai0 = A(i,0), ai1=A(i,1), ai2=A(i,2), ai3=A(i,3); + R(i,0) = ai0 * B(0,0) + ai1 * B(1,0) + ai2 * B(2,0) + ai3 * B(3,0); + R(i,1) = ai0 * B(0,1) + ai1 * B(1,1) + ai2 * B(2,1) + ai3 * B(3,1); + R(i,2) = ai0 * B(0,2) + ai1 * B(1,2) + ai2 * B(2,2) + ai3 * B(3,2); + R(i,3) = ai0 * B(0,3) + ai1 * B(1,3) + ai2 * B(2,3) + ai3 * B(3,3); + } +} + +/* + * Multiply two matrices known to occupy only the top three rows, such + * as typical model matrices, and orthogonal matrices. + * + * @a matrix. + * @b matrix. + * @product will receive the product of \p a and \p b. + */ +static void +matrix_multiply3x4 (float *result, const float *a, const float *b) +{ + int i; + for (i = 0; i < 3; i++) + { + const float ai0 = A(i,0), ai1 = A(i,1), ai2 = A(i,2), ai3 = A(i,3); + R(i,0) = ai0 * B(0,0) + ai1 * B(1,0) + ai2 * B(2,0); + R(i,1) = ai0 * B(0,1) + ai1 * B(1,1) + ai2 * B(2,1); + R(i,2) = ai0 * B(0,2) + ai1 * B(1,2) + ai2 * B(2,2); + R(i,3) = ai0 * B(0,3) + ai1 * B(1,3) + ai2 * B(2,3) + ai3; + } + R(3,0) = 0; + R(3,1) = 0; + R(3,2) = 0; + R(3,3) = 1; +} + +#undef A +#undef B +#undef R + +/* + * Multiply a matrix by an array of floats with known properties. + * + * @mat pointer to a CoglMatrix structure containing the left multiplication + * matrix, and that will receive the product result. + * @m right multiplication matrix array. + * @flags flags of the matrix \p m. + * + * Joins both flags and marks the type and inverse as dirty. Calls + * matrix_multiply3x4() if both matrices are 3D, or matrix_multiply4x4() + * otherwise. + */ +static void +matrix_multiply_array_with_flags (CoglMatrix *result, + const float *array, + unsigned int flags) +{ + result->flags |= (flags | MAT_DIRTY_TYPE | MAT_DIRTY_INVERSE); + + if (TEST_MAT_FLAGS (result, MAT_FLAGS_3D)) + matrix_multiply3x4 ((float *)result, (float *)result, array); + else + matrix_multiply4x4 ((float *)result, (float *)result, array); +} + +/* Joins both flags and marks the type and inverse as dirty. Calls + * matrix_multiply3x4() if both matrices are 3D, or matrix_multiply4x4() + * otherwise. + */ +static void +_cogl_matrix_multiply (CoglMatrix *result, + const CoglMatrix *a, + const CoglMatrix *b) +{ + result->flags = (a->flags | + b->flags | + MAT_DIRTY_TYPE | + MAT_DIRTY_INVERSE); + + if (TEST_MAT_FLAGS(result, MAT_FLAGS_3D)) + matrix_multiply3x4 ((float *)result, (float *)a, (float *)b); + else + matrix_multiply4x4 ((float *)result, (float *)a, (float *)b); +} + +void +cogl_matrix_multiply (CoglMatrix *result, + const CoglMatrix *a, + const CoglMatrix *b) +{ + _cogl_matrix_multiply (result, a, b); + _COGL_MATRIX_DEBUG_PRINT (result); +} + +#if 0 +/* Marks the matrix flags with general flag, and type and inverse dirty flags. + * Calls matrix_multiply4x4() for the multiplication. + */ +static void +_cogl_matrix_multiply_array (CoglMatrix *result, const float *array) +{ + result->flags |= (MAT_FLAG_GENERAL | + MAT_DIRTY_TYPE | + MAT_DIRTY_INVERSE | + MAT_DIRTY_FLAGS); + + matrix_multiply4x4 ((float *)result, (float *)result, (float *)array); +} +#endif + +/* + * Print a matrix array. + * + * Called by _cogl_matrix_print() to print a matrix or its inverse. + */ +static void +print_matrix_floats (const char *prefix, const float m[16]) +{ + int i; + for (i = 0;i < 4; i++) + g_print ("%s\t%f %f %f %f\n", prefix, m[i], m[4+i], m[8+i], m[12+i] ); +} + +void +_cogl_matrix_prefix_print (const char *prefix, const CoglMatrix *matrix) +{ + if (!(matrix->flags & MAT_DIRTY_TYPE)) + { + _COGL_RETURN_IF_FAIL (matrix->type < COGL_MATRIX_N_TYPES); + g_print ("%sMatrix type: %s, flags: %x\n", + prefix, types[matrix->type], (int)matrix->flags); + } + else + g_print ("%sMatrix type: DIRTY, flags: %x\n", + prefix, (int)matrix->flags); + + print_matrix_floats (prefix, (float *)matrix); + g_print ("%sInverse: \n", prefix); + if (!(matrix->flags & MAT_DIRTY_INVERSE)) + { + float prod[16]; + print_matrix_floats (prefix, matrix->inv); + matrix_multiply4x4 (prod, (float *)matrix, matrix->inv); + g_print ("%sMat * Inverse:\n", prefix); + print_matrix_floats (prefix, prod); + } + else + g_print ("%s - not available\n", prefix); +} + +/* + * Dumps the contents of a CoglMatrix structure. + */ +void +cogl_debug_matrix_print (const CoglMatrix *matrix) +{ + _cogl_matrix_prefix_print ("", matrix); +} + +/* + * References an element of 4x4 matrix. + * + * @m matrix array. + * @c column of the desired element. + * @r row of the desired element. + * + * Returns: value of the desired element. + * + * Calculate the linear storage index of the element and references it. + */ +#define MAT(m,r,c) (m)[(c)*4+(r)] + +/* + * Swaps the values of two floating pointer variables. + * + * Used by invert_matrix_general() to swap the row pointers. + */ +#define SWAP_ROWS(a, b) { float *_tmp = a; (a)=(b); (b)=_tmp; } + +/* + * Compute inverse of 4x4 transformation matrix. + * + * @mat pointer to a CoglMatrix structure. The matrix inverse will be + * stored in the CoglMatrix::inv attribute. + * + * Returns: %TRUE for success, %FALSE for failure (\p singular matrix). + * + * \author + * Code contributed by Jacques Leroy jle@star.be + * + * Calculates the inverse matrix by performing the gaussian matrix reduction + * with partial pivoting followed by back/substitution with the loops manually + * unrolled. + */ +static CoglBool +invert_matrix_general (CoglMatrix *matrix) +{ + const float *m = (float *)matrix; + float *out = matrix->inv; + float wtmp[4][8]; + float m0, m1, m2, m3, s; + float *r0, *r1, *r2, *r3; + + r0 = wtmp[0], r1 = wtmp[1], r2 = wtmp[2], r3 = wtmp[3]; + + r0[0] = MAT (m, 0, 0), r0[1] = MAT (m, 0, 1), + r0[2] = MAT (m, 0, 2), r0[3] = MAT (m, 0, 3), + r0[4] = 1.0, r0[5] = r0[6] = r0[7] = 0.0, + + r1[0] = MAT (m, 1, 0), r1[1] = MAT (m, 1, 1), + r1[2] = MAT (m, 1, 2), r1[3] = MAT (m, 1, 3), + r1[5] = 1.0, r1[4] = r1[6] = r1[7] = 0.0, + + r2[0] = MAT (m, 2, 0), r2[1] = MAT (m, 2, 1), + r2[2] = MAT (m, 2, 2), r2[3] = MAT (m, 2, 3), + r2[6] = 1.0, r2[4] = r2[5] = r2[7] = 0.0, + + r3[0] = MAT (m, 3, 0), r3[1] = MAT (m, 3, 1), + r3[2] = MAT (m, 3, 2), r3[3] = MAT (m, 3, 3), + r3[7] = 1.0, r3[4] = r3[5] = r3[6] = 0.0; + + /* choose pivot - or die */ + if (fabsf (r3[0]) > fabsf (r2[0])) + SWAP_ROWS (r3, r2); + if (fabsf (r2[0]) > fabsf (r1[0])) + SWAP_ROWS (r2, r1); + if (fabsf (r1[0]) > fabsf (r0[0])) + SWAP_ROWS (r1, r0); + if (0.0 == r0[0]) + return FALSE; + + /* eliminate first variable */ + m1 = r1[0]/r0[0]; m2 = r2[0]/r0[0]; m3 = r3[0]/r0[0]; + s = r0[1]; r1[1] -= m1 * s; r2[1] -= m2 * s; r3[1] -= m3 * s; + s = r0[2]; r1[2] -= m1 * s; r2[2] -= m2 * s; r3[2] -= m3 * s; + s = r0[3]; r1[3] -= m1 * s; r2[3] -= m2 * s; r3[3] -= m3 * s; + s = r0[4]; + if (s != 0.0) { r1[4] -= m1 * s; r2[4] -= m2 * s; r3[4] -= m3 * s; } + s = r0[5]; + if (s != 0.0) { r1[5] -= m1 * s; r2[5] -= m2 * s; r3[5] -= m3 * s; } + s = r0[6]; + if (s != 0.0) { r1[6] -= m1 * s; r2[6] -= m2 * s; r3[6] -= m3 * s; } + s = r0[7]; + if (s != 0.0) { r1[7] -= m1 * s; r2[7] -= m2 * s; r3[7] -= m3 * s; } + + /* choose pivot - or die */ + if (fabsf (r3[1]) > fabsf (r2[1])) + SWAP_ROWS (r3, r2); + if (fabsf (r2[1]) > fabsf (r1[1])) + SWAP_ROWS (r2, r1); + if (0.0 == r1[1]) + return FALSE; + + /* eliminate second variable */ + m2 = r2[1] / r1[1]; m3 = r3[1] / r1[1]; + r2[2] -= m2 * r1[2]; r3[2] -= m3 * r1[2]; + r2[3] -= m2 * r1[3]; r3[3] -= m3 * r1[3]; + s = r1[4]; if (0.0 != s) { r2[4] -= m2 * s; r3[4] -= m3 * s; } + s = r1[5]; if (0.0 != s) { r2[5] -= m2 * s; r3[5] -= m3 * s; } + s = r1[6]; if (0.0 != s) { r2[6] -= m2 * s; r3[6] -= m3 * s; } + s = r1[7]; if (0.0 != s) { r2[7] -= m2 * s; r3[7] -= m3 * s; } + + /* choose pivot - or die */ + if (fabsf (r3[2]) > fabsf (r2[2])) + SWAP_ROWS (r3, r2); + if (0.0 == r2[2]) + return FALSE; + + /* eliminate third variable */ + m3 = r3[2] / r2[2]; + r3[3] -= m3 * r2[3], r3[4] -= m3 * r2[4], + r3[5] -= m3 * r2[5], r3[6] -= m3 * r2[6], + r3[7] -= m3 * r2[7]; + + /* last check */ + if (0.0 == r3[3]) + return FALSE; + + s = 1.0f / r3[3]; /* now back substitute row 3 */ + r3[4] *= s; r3[5] *= s; r3[6] *= s; r3[7] *= s; + + m2 = r2[3]; /* now back substitute row 2 */ + s = 1.0f / r2[2]; + r2[4] = s * (r2[4] - r3[4] * m2), r2[5] = s * (r2[5] - r3[5] * m2), + r2[6] = s * (r2[6] - r3[6] * m2), r2[7] = s * (r2[7] - r3[7] * m2); + m1 = r1[3]; + r1[4] -= r3[4] * m1, r1[5] -= r3[5] * m1, + r1[6] -= r3[6] * m1, r1[7] -= r3[7] * m1; + m0 = r0[3]; + r0[4] -= r3[4] * m0, r0[5] -= r3[5] * m0, + r0[6] -= r3[6] * m0, r0[7] -= r3[7] * m0; + + m1 = r1[2]; /* now back substitute row 1 */ + s = 1.0f / r1[1]; + r1[4] = s * (r1[4] - r2[4] * m1), r1[5] = s * (r1[5] - r2[5] * m1), + r1[6] = s * (r1[6] - r2[6] * m1), r1[7] = s * (r1[7] - r2[7] * m1); + m0 = r0[2]; + r0[4] -= r2[4] * m0, r0[5] -= r2[5] * m0, + r0[6] -= r2[6] * m0, r0[7] -= r2[7] * m0; + + m0 = r0[1]; /* now back substitute row 0 */ + s = 1.0f / r0[0]; + r0[4] = s * (r0[4] - r1[4] * m0), r0[5] = s * (r0[5] - r1[5] * m0), + r0[6] = s * (r0[6] - r1[6] * m0), r0[7] = s * (r0[7] - r1[7] * m0); + + MAT (out, 0, 0) = r0[4]; MAT (out, 0, 1) = r0[5], + MAT (out, 0, 2) = r0[6]; MAT (out, 0, 3) = r0[7], + MAT (out, 1, 0) = r1[4]; MAT (out, 1, 1) = r1[5], + MAT (out, 1, 2) = r1[6]; MAT (out, 1, 3) = r1[7], + MAT (out, 2, 0) = r2[4]; MAT (out, 2, 1) = r2[5], + MAT (out, 2, 2) = r2[6]; MAT (out, 2, 3) = r2[7], + MAT (out, 3, 0) = r3[4]; MAT (out, 3, 1) = r3[5], + MAT (out, 3, 2) = r3[6]; MAT (out, 3, 3) = r3[7]; + + return TRUE; +} +#undef SWAP_ROWS + +/* + * Compute inverse of a general 3d transformation matrix. + * + * @mat pointer to a CoglMatrix structure. The matrix inverse will be + * stored in the CoglMatrix::inv attribute. + * + * Returns: %TRUE for success, %FALSE for failure (\p singular matrix). + * + * \author Adapted from graphics gems II. + * + * Calculates the inverse of the upper left by first calculating its + * determinant and multiplying it to the symmetric adjust matrix of each + * element. Finally deals with the translation part by transforming the + * original translation vector using by the calculated submatrix inverse. + */ +static CoglBool +invert_matrix_3d_general (CoglMatrix *matrix) +{ + const float *in = (float *)matrix; + float *out = matrix->inv; + float pos, neg, t; + float det; + + /* Calculate the determinant of upper left 3x3 submatrix and + * determine if the matrix is singular. + */ + pos = neg = 0.0; + t = MAT (in,0,0) * MAT (in,1,1) * MAT (in,2,2); + if (t >= 0.0) pos += t; else neg += t; + + t = MAT (in,1,0) * MAT (in,2,1) * MAT (in,0,2); + if (t >= 0.0) pos += t; else neg += t; + + t = MAT (in,2,0) * MAT (in,0,1) * MAT (in,1,2); + if (t >= 0.0) pos += t; else neg += t; + + t = -MAT (in,2,0) * MAT (in,1,1) * MAT (in,0,2); + if (t >= 0.0) pos += t; else neg += t; + + t = -MAT (in,1,0) * MAT (in,0,1) * MAT (in,2,2); + if (t >= 0.0) pos += t; else neg += t; + + t = -MAT (in,0,0) * MAT (in,2,1) * MAT (in,1,2); + if (t >= 0.0) pos += t; else neg += t; + + det = pos + neg; + + if (det*det < 1e-25) + return FALSE; + + det = 1.0f / det; + MAT (out,0,0) = + ( (MAT (in, 1, 1)*MAT (in, 2, 2) - MAT (in, 2, 1)*MAT (in, 1, 2) )*det); + MAT (out,0,1) = + (- (MAT (in, 0, 1)*MAT (in, 2, 2) - MAT (in, 2, 1)*MAT (in, 0, 2) )*det); + MAT (out,0,2) = + ( (MAT (in, 0, 1)*MAT (in, 1, 2) - MAT (in, 1, 1)*MAT (in, 0, 2) )*det); + MAT (out,1,0) = + (- (MAT (in,1,0)*MAT (in,2,2) - MAT (in,2,0)*MAT (in,1,2) )*det); + MAT (out,1,1) = + ( (MAT (in,0,0)*MAT (in,2,2) - MAT (in,2,0)*MAT (in,0,2) )*det); + MAT (out,1,2) = + (- (MAT (in,0,0)*MAT (in,1,2) - MAT (in,1,0)*MAT (in,0,2) )*det); + MAT (out,2,0) = + ( (MAT (in,1,0)*MAT (in,2,1) - MAT (in,2,0)*MAT (in,1,1) )*det); + MAT (out,2,1) = + (- (MAT (in,0,0)*MAT (in,2,1) - MAT (in,2,0)*MAT (in,0,1) )*det); + MAT (out,2,2) = + ( (MAT (in,0,0)*MAT (in,1,1) - MAT (in,1,0)*MAT (in,0,1) )*det); + + /* Do the translation part */ + MAT (out,0,3) = - (MAT (in, 0, 3) * MAT (out, 0, 0) + + MAT (in, 1, 3) * MAT (out, 0, 1) + + MAT (in, 2, 3) * MAT (out, 0, 2) ); + MAT (out,1,3) = - (MAT (in, 0, 3) * MAT (out, 1, 0) + + MAT (in, 1, 3) * MAT (out, 1, 1) + + MAT (in, 2, 3) * MAT (out, 1, 2) ); + MAT (out,2,3) = - (MAT (in, 0, 3) * MAT (out, 2 ,0) + + MAT (in, 1, 3) * MAT (out, 2, 1) + + MAT (in, 2, 3) * MAT (out, 2, 2) ); + + return TRUE; +} + +/* + * Compute inverse of a 3d transformation matrix. + * + * @mat pointer to a CoglMatrix structure. The matrix inverse will be + * stored in the CoglMatrix::inv attribute. + * + * Returns: %TRUE for success, %FALSE for failure (\p singular matrix). + * + * If the matrix is not an angle preserving matrix then calls + * invert_matrix_3d_general for the actual calculation. Otherwise calculates + * the inverse matrix analyzing and inverting each of the scaling, rotation and + * translation parts. + */ +static CoglBool +invert_matrix_3d (CoglMatrix *matrix) +{ + const float *in = (float *)matrix; + float *out = matrix->inv; + + memcpy (out, identity, 16 * sizeof (float)); + + if (!TEST_MAT_FLAGS(matrix, MAT_FLAGS_ANGLE_PRESERVING)) + return invert_matrix_3d_general (matrix); + + if (matrix->flags & MAT_FLAG_UNIFORM_SCALE) + { + float scale = (MAT (in, 0, 0) * MAT (in, 0, 0) + + MAT (in, 0, 1) * MAT (in, 0, 1) + + MAT (in, 0, 2) * MAT (in, 0, 2)); + + if (scale == 0.0) + return FALSE; + + scale = 1.0f / scale; + + /* Transpose and scale the 3 by 3 upper-left submatrix. */ + MAT (out, 0, 0) = scale * MAT (in, 0, 0); + MAT (out, 1, 0) = scale * MAT (in, 0, 1); + MAT (out, 2, 0) = scale * MAT (in, 0, 2); + MAT (out, 0, 1) = scale * MAT (in, 1, 0); + MAT (out, 1, 1) = scale * MAT (in, 1, 1); + MAT (out, 2, 1) = scale * MAT (in, 1, 2); + MAT (out, 0, 2) = scale * MAT (in, 2, 0); + MAT (out, 1, 2) = scale * MAT (in, 2, 1); + MAT (out, 2, 2) = scale * MAT (in, 2, 2); + } + else if (matrix->flags & MAT_FLAG_ROTATION) + { + /* Transpose the 3 by 3 upper-left submatrix. */ + MAT (out, 0, 0) = MAT (in, 0, 0); + MAT (out, 1, 0) = MAT (in, 0, 1); + MAT (out, 2, 0) = MAT (in, 0, 2); + MAT (out, 0, 1) = MAT (in, 1, 0); + MAT (out, 1, 1) = MAT (in, 1, 1); + MAT (out, 2, 1) = MAT (in, 1, 2); + MAT (out, 0, 2) = MAT (in, 2, 0); + MAT (out, 1, 2) = MAT (in, 2, 1); + MAT (out, 2, 2) = MAT (in, 2, 2); + } + else + { + /* pure translation */ + memcpy (out, identity, 16 * sizeof (float)); + MAT (out, 0, 3) = - MAT (in, 0, 3); + MAT (out, 1, 3) = - MAT (in, 1, 3); + MAT (out, 2, 3) = - MAT (in, 2, 3); + return TRUE; + } + + if (matrix->flags & MAT_FLAG_TRANSLATION) + { + /* Do the translation part */ + MAT (out,0,3) = - (MAT (in, 0, 3) * MAT (out, 0, 0) + + MAT (in, 1, 3) * MAT (out, 0, 1) + + MAT (in, 2, 3) * MAT (out, 0, 2) ); + MAT (out,1,3) = - (MAT (in, 0, 3) * MAT (out, 1, 0) + + MAT (in, 1, 3) * MAT (out, 1, 1) + + MAT (in, 2, 3) * MAT (out, 1, 2) ); + MAT (out,2,3) = - (MAT (in, 0, 3) * MAT (out, 2, 0) + + MAT (in, 1, 3) * MAT (out, 2, 1) + + MAT (in, 2, 3) * MAT (out, 2, 2) ); + } + else + MAT (out, 0, 3) = MAT (out, 1, 3) = MAT (out, 2, 3) = 0.0; + + return TRUE; +} + +/* + * Compute inverse of an identity transformation matrix. + * + * @mat pointer to a CoglMatrix structure. The matrix inverse will be + * stored in the CoglMatrix::inv attribute. + * + * Returns: always %TRUE. + * + * Simply copies identity into CoglMatrix::inv. + */ +static CoglBool +invert_matrix_identity (CoglMatrix *matrix) +{ + memcpy (matrix->inv, identity, 16 * sizeof (float)); + return TRUE; +} + +/* + * Compute inverse of a no-rotation 3d transformation matrix. + * + * @mat pointer to a CoglMatrix structure. The matrix inverse will be + * stored in the CoglMatrix::inv attribute. + * + * Returns: %TRUE for success, %FALSE for failure (\p singular matrix). + * + * Calculates the + */ +static CoglBool +invert_matrix_3d_no_rotation (CoglMatrix *matrix) +{ + const float *in = (float *)matrix; + float *out = matrix->inv; + + if (MAT (in,0,0) == 0 || MAT (in,1,1) == 0 || MAT (in,2,2) == 0) + return FALSE; + + memcpy (out, identity, 16 * sizeof (float)); + MAT (out,0,0) = 1.0f / MAT (in,0,0); + MAT (out,1,1) = 1.0f / MAT (in,1,1); + MAT (out,2,2) = 1.0f / MAT (in,2,2); + + if (matrix->flags & MAT_FLAG_TRANSLATION) + { + MAT (out,0,3) = - (MAT (in,0,3) * MAT (out,0,0)); + MAT (out,1,3) = - (MAT (in,1,3) * MAT (out,1,1)); + MAT (out,2,3) = - (MAT (in,2,3) * MAT (out,2,2)); + } + + return TRUE; +} + +/* + * Compute inverse of a no-rotation 2d transformation matrix. + * + * @mat pointer to a CoglMatrix structure. The matrix inverse will be + * stored in the CoglMatrix::inv attribute. + * + * Returns: %TRUE for success, %FALSE for failure (\p singular matrix). + * + * Calculates the inverse matrix by applying the inverse scaling and + * translation to the identity matrix. + */ +static CoglBool +invert_matrix_2d_no_rotation (CoglMatrix *matrix) +{ + const float *in = (float *)matrix; + float *out = matrix->inv; + + if (MAT (in, 0, 0) == 0 || MAT (in, 1, 1) == 0) + return FALSE; + + memcpy (out, identity, 16 * sizeof (float)); + MAT (out, 0, 0) = 1.0f / MAT (in, 0, 0); + MAT (out, 1, 1) = 1.0f / MAT (in, 1, 1); + + if (matrix->flags & MAT_FLAG_TRANSLATION) + { + MAT (out, 0, 3) = - (MAT (in, 0, 3) * MAT (out, 0, 0)); + MAT (out, 1, 3) = - (MAT (in, 1, 3) * MAT (out, 1, 1)); + } + + return TRUE; +} + +#if 0 +/* broken */ +static CoglBool +invert_matrix_perspective (CoglMatrix *matrix) +{ + const float *in = matrix; + float *out = matrix->inv; + + if (MAT (in,2,3) == 0) + return FALSE; + + memcpy( out, identity, 16 * sizeof(float) ); + + MAT (out, 0, 0) = 1.0f / MAT (in, 0, 0); + MAT (out, 1, 1) = 1.0f / MAT (in, 1, 1); + + MAT (out, 0, 3) = MAT (in, 0, 2); + MAT (out, 1, 3) = MAT (in, 1, 2); + + MAT (out,2,2) = 0; + MAT (out,2,3) = -1; + + MAT (out,3,2) = 1.0f / MAT (in,2,3); + MAT (out,3,3) = MAT (in,2,2) * MAT (out,3,2); + + return TRUE; +} +#endif + +/* + * Matrix inversion function pointer type. + */ +typedef CoglBool (*inv_mat_func)(CoglMatrix *matrix); + +/* + * Table of the matrix inversion functions according to the matrix type. + */ +static inv_mat_func inv_mat_tab[7] = { + invert_matrix_general, + invert_matrix_identity, + invert_matrix_3d_no_rotation, +#if 0 + /* Don't use this function for now - it fails when the projection matrix + * is premultiplied by a translation (ala Chromium's tilesort SPU). + */ + invert_matrix_perspective, +#else + invert_matrix_general, +#endif + invert_matrix_3d, /* lazy! */ + invert_matrix_2d_no_rotation, + invert_matrix_3d +}; + +#define ZERO(x) (1<flags &= ~MAT_FLAGS_GEOMETRY; + + /* Check for translation - no-one really cares + */ + if ((mask & MASK_NO_TRX) != MASK_NO_TRX) + matrix->flags |= MAT_FLAG_TRANSLATION; + + /* Do the real work + */ + if (mask == (unsigned int) MASK_IDENTITY) + matrix->type = COGL_MATRIX_TYPE_IDENTITY; + else if ((mask & MASK_2D_NO_ROT) == (unsigned int) MASK_2D_NO_ROT) + { + matrix->type = COGL_MATRIX_TYPE_2D_NO_ROT; + + if ((mask & MASK_NO_2D_SCALE) != MASK_NO_2D_SCALE) + matrix->flags |= MAT_FLAG_GENERAL_SCALE; + } + else if ((mask & MASK_2D) == (unsigned int) MASK_2D) + { + float mm = DOT2 (m, m); + float m4m4 = DOT2 (m+4,m+4); + float mm4 = DOT2 (m,m+4); + + matrix->type = COGL_MATRIX_TYPE_2D; + + /* Check for scale */ + if (SQ (mm-1) > SQ (1e-6) || + SQ (m4m4-1) > SQ (1e-6)) + matrix->flags |= MAT_FLAG_GENERAL_SCALE; + + /* Check for rotation */ + if (SQ (mm4) > SQ (1e-6)) + matrix->flags |= MAT_FLAG_GENERAL_3D; + else + matrix->flags |= MAT_FLAG_ROTATION; + + } + else if ((mask & MASK_3D_NO_ROT) == (unsigned int) MASK_3D_NO_ROT) + { + matrix->type = COGL_MATRIX_TYPE_3D_NO_ROT; + + /* Check for scale */ + if (SQ (m[0]-m[5]) < SQ (1e-6) && + SQ (m[0]-m[10]) < SQ (1e-6)) + { + if (SQ (m[0]-1.0) > SQ (1e-6)) + matrix->flags |= MAT_FLAG_UNIFORM_SCALE; + } + else + matrix->flags |= MAT_FLAG_GENERAL_SCALE; + } + else if ((mask & MASK_3D) == (unsigned int) MASK_3D) + { + float c1 = DOT3 (m,m); + float c2 = DOT3 (m+4,m+4); + float c3 = DOT3 (m+8,m+8); + float d1 = DOT3 (m, m+4); + float cp[3]; + + matrix->type = COGL_MATRIX_TYPE_3D; + + /* Check for scale */ + if (SQ (c1-c2) < SQ (1e-6) && SQ (c1-c3) < SQ (1e-6)) + { + if (SQ (c1-1.0) > SQ (1e-6)) + matrix->flags |= MAT_FLAG_UNIFORM_SCALE; + /* else no scale at all */ + } + else + matrix->flags |= MAT_FLAG_GENERAL_SCALE; + + /* Check for rotation */ + if (SQ (d1) < SQ (1e-6)) + { + CROSS3 ( cp, m, m+4); + SUB_3V ( cp, cp, (m+8)); + if (LEN_SQUARED_3FV(cp) < SQ(1e-6)) + matrix->flags |= MAT_FLAG_ROTATION; + else + matrix->flags |= MAT_FLAG_GENERAL_3D; + } + else + matrix->flags |= MAT_FLAG_GENERAL_3D; /* shear, etc */ + } + else if ((mask & MASK_PERSPECTIVE) == MASK_PERSPECTIVE && m[11]==-1.0f) + { + matrix->type = COGL_MATRIX_TYPE_PERSPECTIVE; + matrix->flags |= MAT_FLAG_GENERAL; + } + else + { + matrix->type = COGL_MATRIX_TYPE_GENERAL; + matrix->flags |= MAT_FLAG_GENERAL; + } +} + +/* + * Analyze a matrix given that its flags are accurate. + * + * This is the more common operation, hopefully. + */ +static void +analyse_from_flags (CoglMatrix *matrix) +{ + const float *m = (float *)matrix; + + if (TEST_MAT_FLAGS(matrix, 0)) + matrix->type = COGL_MATRIX_TYPE_IDENTITY; + else if (TEST_MAT_FLAGS(matrix, (MAT_FLAG_TRANSLATION | + MAT_FLAG_UNIFORM_SCALE | + MAT_FLAG_GENERAL_SCALE))) + { + if ( m[10] == 1.0f && m[14] == 0.0f ) + matrix->type = COGL_MATRIX_TYPE_2D_NO_ROT; + else + matrix->type = COGL_MATRIX_TYPE_3D_NO_ROT; + } + else if (TEST_MAT_FLAGS (matrix, MAT_FLAGS_3D)) + { + if ( m[ 8]==0.0f + && m[ 9]==0.0f + && m[2]==0.0f && m[6]==0.0f && m[10]==1.0f && m[14]==0.0f) + { + matrix->type = COGL_MATRIX_TYPE_2D; + } + else + matrix->type = COGL_MATRIX_TYPE_3D; + } + else if ( m[4]==0.0f && m[12]==0.0f + && m[1]==0.0f && m[13]==0.0f + && m[2]==0.0f && m[6]==0.0f + && m[3]==0.0f && m[7]==0.0f && m[11]==-1.0f && m[15]==0.0f) + { + matrix->type = COGL_MATRIX_TYPE_PERSPECTIVE; + } + else + matrix->type = COGL_MATRIX_TYPE_GENERAL; +} + +/* + * Analyze and update the type and flags of a matrix. + * + * If the matrix type is dirty then calls either analyse_from_scratch() or + * analyse_from_flags() to determine its type, according to whether the flags + * are dirty or not, respectively. If the matrix has an inverse and it's dirty + * then calls matrix_invert(). Finally clears the dirty flags. + */ +static void +_cogl_matrix_update_type_and_flags (CoglMatrix *matrix) +{ + if (matrix->flags & MAT_DIRTY_TYPE) + { + if (matrix->flags & MAT_DIRTY_FLAGS) + analyse_from_scratch (matrix); + else + analyse_from_flags (matrix); + } + + matrix->flags &= ~(MAT_DIRTY_FLAGS | MAT_DIRTY_TYPE); +} + +/* + * Compute inverse of a transformation matrix. + * + * @mat pointer to a CoglMatrix structure. The matrix inverse will be + * stored in the CoglMatrix::inv attribute. + * + * Returns: %TRUE for success, %FALSE for failure (\p singular matrix). + * + * Calls the matrix inversion function in inv_mat_tab corresponding to the + * given matrix type. In case of failure, updates the MAT_FLAG_SINGULAR flag, + * and copies the identity matrix into CoglMatrix::inv. + */ +static CoglBool +_cogl_matrix_update_inverse (CoglMatrix *matrix) +{ + if (matrix->flags & MAT_DIRTY_FLAGS || + matrix->flags & MAT_DIRTY_INVERSE) + { + _cogl_matrix_update_type_and_flags (matrix); + + if (inv_mat_tab[matrix->type](matrix)) + matrix->flags &= ~MAT_FLAG_SINGULAR; + else + { + matrix->flags |= MAT_FLAG_SINGULAR; + memcpy (matrix->inv, identity, 16 * sizeof (float)); + } + + matrix->flags &= ~MAT_DIRTY_INVERSE; + } + + if (matrix->flags & MAT_FLAG_SINGULAR) + return FALSE; + else + return TRUE; +} + +CoglBool +cogl_matrix_get_inverse (const CoglMatrix *matrix, CoglMatrix *inverse) +{ + if (_cogl_matrix_update_inverse ((CoglMatrix *)matrix)) + { + cogl_matrix_init_from_array (inverse, matrix->inv); + return TRUE; + } + else + { + cogl_matrix_init_identity (inverse); + return FALSE; + } +} + +/* + * Generate a 4x4 transformation matrix from glRotate parameters, and + * post-multiply the input matrix by it. + * + * \author + * This function was contributed by Erich Boleyn (erich@uruk.org). + * Optimizations contributed by Rudolf Opalla (rudi@khm.de). + */ +static void +_cogl_matrix_rotate (CoglMatrix *matrix, + float angle, + float x, + float y, + float z) +{ + float xx, yy, zz, xy, yz, zx, xs, ys, zs, one_c, s, c; + float m[16]; + CoglBool optimized; + + s = sinf (angle * DEG2RAD); + c = cosf (angle * DEG2RAD); + + memcpy (m, identity, 16 * sizeof (float)); + optimized = FALSE; + +#define M(row,col) m[col*4+row] + + if (x == 0.0f) + { + if (y == 0.0f) + { + if (z != 0.0f) + { + optimized = TRUE; + /* rotate only around z-axis */ + M (0,0) = c; + M (1,1) = c; + if (z < 0.0f) + { + M (0,1) = s; + M (1,0) = -s; + } + else + { + M (0,1) = -s; + M (1,0) = s; + } + } + } + else if (z == 0.0f) + { + optimized = TRUE; + /* rotate only around y-axis */ + M (0,0) = c; + M (2,2) = c; + if (y < 0.0f) + { + M (0,2) = -s; + M (2,0) = s; + } + else + { + M (0,2) = s; + M (2,0) = -s; + } + } + } + else if (y == 0.0f) + { + if (z == 0.0f) + { + optimized = TRUE; + /* rotate only around x-axis */ + M (1,1) = c; + M (2,2) = c; + if (x < 0.0f) + { + M (1,2) = s; + M (2,1) = -s; + } + else + { + M (1,2) = -s; + M (2,1) = s; + } + } + } + + if (!optimized) + { + const float mag = sqrtf (x * x + y * y + z * z); + + if (mag <= 1.0e-4) + { + /* no rotation, leave mat as-is */ + return; + } + + x /= mag; + y /= mag; + z /= mag; + + + /* + * Arbitrary axis rotation matrix. + * + * This is composed of 5 matrices, Rz, Ry, T, Ry', Rz', multiplied + * like so: Rz * Ry * T * Ry' * Rz'. T is the final rotation + * (which is about the X-axis), and the two composite transforms + * Ry' * Rz' and Rz * Ry are (respectively) the rotations necessary + * from the arbitrary axis to the X-axis then back. They are + * all elementary rotations. + * + * Rz' is a rotation about the Z-axis, to bring the axis vector + * into the x-z plane. Then Ry' is applied, rotating about the + * Y-axis to bring the axis vector parallel with the X-axis. The + * rotation about the X-axis is then performed. Ry and Rz are + * simply the respective inverse transforms to bring the arbitrary + * axis back to it's original orientation. The first transforms + * Rz' and Ry' are considered inverses, since the data from the + * arbitrary axis gives you info on how to get to it, not how + * to get away from it, and an inverse must be applied. + * + * The basic calculation used is to recognize that the arbitrary + * axis vector (x, y, z), since it is of unit length, actually + * represents the sines and cosines of the angles to rotate the + * X-axis to the same orientation, with theta being the angle about + * Z and phi the angle about Y (in the order described above) + * as follows: + * + * cos ( theta ) = x / sqrt ( 1 - z^2 ) + * sin ( theta ) = y / sqrt ( 1 - z^2 ) + * + * cos ( phi ) = sqrt ( 1 - z^2 ) + * sin ( phi ) = z + * + * Note that cos ( phi ) can further be inserted to the above + * formulas: + * + * cos ( theta ) = x / cos ( phi ) + * sin ( theta ) = y / sin ( phi ) + * + * ...etc. Because of those relations and the standard trigonometric + * relations, it is pssible to reduce the transforms down to what + * is used below. It may be that any primary axis chosen will give the + * same results (modulo a sign convention) using thie method. + * + * Particularly nice is to notice that all divisions that might + * have caused trouble when parallel to certain planes or + * axis go away with care paid to reducing the expressions. + * After checking, it does perform correctly under all cases, since + * in all the cases of division where the denominator would have + * been zero, the numerator would have been zero as well, giving + * the expected result. + */ + + xx = x * x; + yy = y * y; + zz = z * z; + xy = x * y; + yz = y * z; + zx = z * x; + xs = x * s; + ys = y * s; + zs = z * s; + one_c = 1.0f - c; + + /* We already hold the identity-matrix so we can skip some statements */ + M (0,0) = (one_c * xx) + c; + M (0,1) = (one_c * xy) - zs; + M (0,2) = (one_c * zx) + ys; + /* M (0,3) = 0.0f; */ + + M (1,0) = (one_c * xy) + zs; + M (1,1) = (one_c * yy) + c; + M (1,2) = (one_c * yz) - xs; + /* M (1,3) = 0.0f; */ + + M (2,0) = (one_c * zx) - ys; + M (2,1) = (one_c * yz) + xs; + M (2,2) = (one_c * zz) + c; + /* M (2,3) = 0.0f; */ + + /* + M (3,0) = 0.0f; + M (3,1) = 0.0f; + M (3,2) = 0.0f; + M (3,3) = 1.0f; + */ + } +#undef M + + matrix_multiply_array_with_flags (matrix, m, MAT_FLAG_ROTATION); +} + +void +cogl_matrix_rotate (CoglMatrix *matrix, + float angle, + float x, + float y, + float z) +{ + _cogl_matrix_rotate (matrix, angle, x, y, z); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +void +cogl_matrix_rotate_quaternion (CoglMatrix *matrix, + const CoglQuaternion *quaternion) +{ + CoglMatrix rotation_transform; + + cogl_matrix_init_from_quaternion (&rotation_transform, quaternion); + cogl_matrix_multiply (matrix, matrix, &rotation_transform); +} + +void +cogl_matrix_rotate_euler (CoglMatrix *matrix, + const CoglEuler *euler) +{ + CoglMatrix rotation_transform; + + cogl_matrix_init_from_euler (&rotation_transform, euler); + cogl_matrix_multiply (matrix, matrix, &rotation_transform); +} + +/* + * Apply a perspective projection matrix. + * + * Creates the projection matrix and multiplies it with matrix, marking the + * MAT_FLAG_PERSPECTIVE flag. + */ +static void +_cogl_matrix_frustum (CoglMatrix *matrix, + float left, + float right, + float bottom, + float top, + float nearval, + float farval) +{ + float x, y, a, b, c, d; + float m[16]; + + x = (2.0f * nearval) / (right - left); + y = (2.0f * nearval) / (top - bottom); + a = (right + left) / (right - left); + b = (top + bottom) / (top - bottom); + c = -(farval + nearval) / ( farval - nearval); + d = -(2.0f * farval * nearval) / (farval - nearval); /* error? */ + +#define M(row,col) m[col*4+row] + M (0,0) = x; M (0,1) = 0.0f; M (0,2) = a; M (0,3) = 0.0f; + M (1,0) = 0.0f; M (1,1) = y; M (1,2) = b; M (1,3) = 0.0f; + M (2,0) = 0.0f; M (2,1) = 0.0f; M (2,2) = c; M (2,3) = d; + M (3,0) = 0.0f; M (3,1) = 0.0f; M (3,2) = -1.0f; M (3,3) = 0.0f; +#undef M + + matrix_multiply_array_with_flags (matrix, m, MAT_FLAG_PERSPECTIVE); +} + +void +cogl_matrix_frustum (CoglMatrix *matrix, + float left, + float right, + float bottom, + float top, + float z_near, + float z_far) +{ + _cogl_matrix_frustum (matrix, left, right, bottom, top, z_near, z_far); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +void +cogl_matrix_perspective (CoglMatrix *matrix, + float fov_y, + float aspect, + float z_near, + float z_far) +{ + float ymax = z_near * tan (fov_y * G_PI / 360.0); + + cogl_matrix_frustum (matrix, + -ymax * aspect, /* left */ + ymax * aspect, /* right */ + -ymax, /* bottom */ + ymax, /* top */ + z_near, + z_far); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +/* + * Apply an orthographic projection matrix. + * + * Creates the projection matrix and multiplies it with matrix, marking the + * MAT_FLAG_GENERAL_SCALE and MAT_FLAG_TRANSLATION flags. + */ +static void +_cogl_matrix_orthographic (CoglMatrix *matrix, + float x_1, + float y_1, + float x_2, + float y_2, + float nearval, + float farval) +{ + float m[16]; + +#define M(row, col) m[col * 4 + row] + M (0,0) = 2.0f / (x_2 - x_1); + M (0,1) = 0.0f; + M (0,2) = 0.0f; + M (0,3) = -(x_2 + x_1) / (x_2 - x_1); + + M (1,0) = 0.0f; + M (1,1) = 2.0f / (y_1 - y_2); + M (1,2) = 0.0f; + M (1,3) = -(y_1 + y_2) / (y_1 - y_2); + + M (2,0) = 0.0f; + M (2,1) = 0.0f; + M (2,2) = -2.0f / (farval - nearval); + M (2,3) = -(farval + nearval) / (farval - nearval); + + M (3,0) = 0.0f; + M (3,1) = 0.0f; + M (3,2) = 0.0f; + M (3,3) = 1.0f; +#undef M + + matrix_multiply_array_with_flags (matrix, m, + (MAT_FLAG_GENERAL_SCALE | + MAT_FLAG_TRANSLATION)); +} + +void +cogl_matrix_ortho (CoglMatrix *matrix, + float left, + float right, + float bottom, + float top, + float near, + float far) +{ + _cogl_matrix_orthographic (matrix, left, top, right, bottom, near, far); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +void +cogl_matrix_orthographic (CoglMatrix *matrix, + float x_1, + float y_1, + float x_2, + float y_2, + float near, + float far) +{ + _cogl_matrix_orthographic (matrix, x_1, y_1, x_2, y_2, near, far); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +/* + * Multiply a matrix with a general scaling matrix. + * + * Multiplies in-place the elements of matrix by the scale factors. Checks if + * the scales factors are roughly the same, marking the MAT_FLAG_UNIFORM_SCALE + * flag, or MAT_FLAG_GENERAL_SCALE. Marks the MAT_DIRTY_TYPE and + * MAT_DIRTY_INVERSE dirty flags. + */ +static void +_cogl_matrix_scale (CoglMatrix *matrix, float x, float y, float z) +{ + float *m = (float *)matrix; + m[0] *= x; m[4] *= y; m[8] *= z; + m[1] *= x; m[5] *= y; m[9] *= z; + m[2] *= x; m[6] *= y; m[10] *= z; + m[3] *= x; m[7] *= y; m[11] *= z; + + if (fabsf (x - y) < 1e-8 && fabsf (x - z) < 1e-8) + matrix->flags |= MAT_FLAG_UNIFORM_SCALE; + else + matrix->flags |= MAT_FLAG_GENERAL_SCALE; + + matrix->flags |= (MAT_DIRTY_TYPE | MAT_DIRTY_INVERSE); +} + +void +cogl_matrix_scale (CoglMatrix *matrix, + float sx, + float sy, + float sz) +{ + _cogl_matrix_scale (matrix, sx, sy, sz); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +/* + * Multiply a matrix with a translation matrix. + * + * Adds the translation coordinates to the elements of matrix in-place. Marks + * the MAT_FLAG_TRANSLATION flag, and the MAT_DIRTY_TYPE and MAT_DIRTY_INVERSE + * dirty flags. + */ +static void +_cogl_matrix_translate (CoglMatrix *matrix, float x, float y, float z) +{ + float *m = (float *)matrix; + m[12] = m[0] * x + m[4] * y + m[8] * z + m[12]; + m[13] = m[1] * x + m[5] * y + m[9] * z + m[13]; + m[14] = m[2] * x + m[6] * y + m[10] * z + m[14]; + m[15] = m[3] * x + m[7] * y + m[11] * z + m[15]; + + matrix->flags |= (MAT_FLAG_TRANSLATION | + MAT_DIRTY_TYPE | + MAT_DIRTY_INVERSE); +} + +void +cogl_matrix_translate (CoglMatrix *matrix, + float x, + float y, + float z) +{ + _cogl_matrix_translate (matrix, x, y, z); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +#if 0 +/* + * Set matrix to do viewport and depthrange mapping. + * Transforms Normalized Device Coords to window/Z values. + */ +static void +_cogl_matrix_viewport (CoglMatrix *matrix, + float x, float y, + float width, float height, + float zNear, float zFar, float depthMax) +{ + float *m = (float *)matrix; + m[MAT_SX] = width / 2.0f; + m[MAT_TX] = m[MAT_SX] + x; + m[MAT_SY] = height / 2.0f; + m[MAT_TY] = m[MAT_SY] + y; + m[MAT_SZ] = depthMax * ((zFar - zNear) / 2.0f); + m[MAT_TZ] = depthMax * ((zFar - zNear) / 2.0f + zNear); + matrix->flags = MAT_FLAG_GENERAL_SCALE | MAT_FLAG_TRANSLATION; + matrix->type = COGL_MATRIX_TYPE_3D_NO_ROT; +} +#endif + +/* + * Set a matrix to the identity matrix. + * + * @mat matrix. + * + * Copies ::identity into \p CoglMatrix::m, and into CoglMatrix::inv if + * not NULL. Sets the matrix type to identity, resets the flags. It + * doesn't initialize the inverse matrix, it just marks it dirty. + */ +static void +_cogl_matrix_init_identity (CoglMatrix *matrix) +{ + memcpy (matrix, identity, 16 * sizeof (float)); + + matrix->type = COGL_MATRIX_TYPE_IDENTITY; + matrix->flags = MAT_DIRTY_INVERSE; +} + +void +cogl_matrix_init_identity (CoglMatrix *matrix) +{ + _cogl_matrix_init_identity (matrix); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +/* + * Set a matrix to the (tx, ty, tz) translation matrix. + * + * @matix matrix. + * @tx x coordinate of the translation vector + * @ty y coordinate of the translation vector + * @tz z coordinate of the translation vector + */ +static void +_cogl_matrix_init_translation (CoglMatrix *matrix, + float tx, + float ty, + float tz) +{ + memcpy (matrix, identity, 16 * sizeof (float)); + + matrix->xw = tx; + matrix->yw = ty; + matrix->zw = tz; + + matrix->type = COGL_MATRIX_TYPE_3D; + matrix->flags = MAT_FLAG_TRANSLATION | MAT_DIRTY_INVERSE; +} + +void +cogl_matrix_init_translation (CoglMatrix *matrix, + float tx, + float ty, + float tz) +{ + _cogl_matrix_init_translation (matrix, tx, ty, tz); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +#if 0 +/* + * Test if the given matrix preserves vector lengths. + */ +static CoglBool +_cogl_matrix_is_length_preserving (const CoglMatrix *m) +{ + return TEST_MAT_FLAGS (m, MAT_FLAGS_LENGTH_PRESERVING); +} + +/* + * Test if the given matrix does any rotation. + * (or perhaps if the upper-left 3x3 is non-identity) + */ +static CoglBool +_cogl_matrix_has_rotation (const CoglMatrix *matrix) +{ + if (matrix->flags & (MAT_FLAG_GENERAL | + MAT_FLAG_ROTATION | + MAT_FLAG_GENERAL_3D | + MAT_FLAG_PERSPECTIVE)) + return TRUE; + else + return FALSE; +} + +static CoglBool +_cogl_matrix_is_general_scale (const CoglMatrix *matrix) +{ + return (matrix->flags & MAT_FLAG_GENERAL_SCALE) ? TRUE : FALSE; +} + +static CoglBool +_cogl_matrix_is_dirty (const CoglMatrix *matrix) +{ + return (matrix->flags & MAT_DIRTY_ALL) ? TRUE : FALSE; +} +#endif + +/* + * Loads a matrix array into CoglMatrix. + * + * @m matrix array. + * @mat matrix. + * + * Copies \p m into CoglMatrix::m and marks the MAT_FLAG_GENERAL and + * MAT_DIRTY_ALL + * flags. + */ +static void +_cogl_matrix_init_from_array (CoglMatrix *matrix, const float *array) +{ + memcpy (matrix, array, 16 * sizeof (float)); + matrix->flags = (MAT_FLAG_GENERAL | MAT_DIRTY_ALL); +} + +void +cogl_matrix_init_from_array (CoglMatrix *matrix, const float *array) +{ + _cogl_matrix_init_from_array (matrix, array); + _COGL_MATRIX_DEBUG_PRINT (matrix); +} + +void +_cogl_matrix_init_from_matrix_without_inverse (CoglMatrix *matrix, + const CoglMatrix *src) +{ + memcpy (matrix, src, 16 * sizeof (float)); + matrix->type = src->type; + matrix->flags = src->flags | MAT_DIRTY_INVERSE; +} + +static void +_cogl_matrix_init_from_quaternion (CoglMatrix *matrix, + const CoglQuaternion *quaternion) +{ + float qnorm = _COGL_QUATERNION_NORM (quaternion); + float s = (qnorm > 0.0f) ? (2.0f / qnorm) : 0.0f; + float xs = quaternion->x * s; + float ys = quaternion->y * s; + float zs = quaternion->z * s; + float wx = quaternion->w * xs; + float wy = quaternion->w * ys; + float wz = quaternion->w * zs; + float xx = quaternion->x * xs; + float xy = quaternion->x * ys; + float xz = quaternion->x * zs; + float yy = quaternion->y * ys; + float yz = quaternion->y * zs; + float zz = quaternion->z * zs; + + matrix->xx = 1.0f - (yy + zz); + matrix->yx = xy + wz; + matrix->zx = xz - wy; + matrix->xy = xy - wz; + matrix->yy = 1.0f - (xx + zz); + matrix->zy = yz + wx; + matrix->xz = xz + wy; + matrix->yz = yz - wx; + matrix->zz = 1.0f - (xx + yy); + matrix->xw = matrix->yw = matrix->zw = 0.0f; + matrix->wx = matrix->wy = matrix->wz = 0.0f; + matrix->ww = 1.0f; + + matrix->flags = (MAT_FLAG_GENERAL | MAT_DIRTY_ALL); +} + +void +cogl_matrix_init_from_quaternion (CoglMatrix *matrix, + const CoglQuaternion *quaternion) +{ + _cogl_matrix_init_from_quaternion (matrix, quaternion); +} + +void +cogl_matrix_init_from_euler (CoglMatrix *matrix, + const CoglEuler *euler) +{ + /* Convert angles to radians */ + float heading_rad = euler->heading / 180.0f * G_PI; + float pitch_rad = euler->pitch / 180.0f * G_PI; + float roll_rad = euler->roll / 180.0f * G_PI; + /* Pre-calculate the sin and cos */ + float sin_heading = sinf (heading_rad); + float cos_heading = cosf (heading_rad); + float sin_pitch = sinf (pitch_rad); + float cos_pitch = cosf (pitch_rad); + float sin_roll = sinf (roll_rad); + float cos_roll = cosf (roll_rad); + + /* These calculations are based on the following website but they + * use a different order for the rotations so it has been modified + * slightly. + * http://www.euclideanspace.com/maths/geometry/ + * rotations/conversions/eulerToMatrix/index.htm + */ + + /* Heading rotation x=0, y=1, z=0 gives: + * + * [ ch 0 sh 0 ] + * [ 0 1 0 0 ] + * [ -sh 0 ch 0 ] + * [ 0 0 0 1 ] + * + * Pitch rotation x=1, y=0, z=0 gives: + * [ 1 0 0 0 ] + * [ 0 cp -sp 0 ] + * [ 0 sp cp 0 ] + * [ 0 0 0 1 ] + * + * Roll rotation x=0, y=0, z=1 gives: + * [ cr -sr 0 0 ] + * [ sr cr 0 0 ] + * [ 0 0 1 0 ] + * [ 0 0 0 1 ] + * + * Heading matrix * pitch matrix = + * [ ch sh*sp cp*sh 0 ] + * [ 0 cp -sp 0 ] + * [ -sh ch*sp ch*cp 0 ] + * [ 0 0 0 1 ] + * + * That matrix * roll matrix = + * [ ch*cr + sh*sp*sr sh*sp*cr - ch*sr sh*cp 0 ] + * [ cp*sr cp*cr -sp 0 ] + * [ ch*sp*sr - sh*cr sh*sr + ch*sp*cr ch*cp 0 ] + * [ 0 0 0 1 ] + */ + + matrix->xx = cos_heading * cos_roll + sin_heading * sin_pitch * sin_roll; + matrix->yx = cos_pitch * sin_roll; + matrix->zx = cos_heading * sin_pitch * sin_roll - sin_heading * cos_roll; + matrix->wx = 0.0f; + + matrix->xy = sin_heading * sin_pitch * cos_roll - cos_heading * sin_roll; + matrix->yy = cos_pitch * cos_roll; + matrix->zy = sin_heading * sin_roll + cos_heading * sin_pitch * cos_roll; + matrix->wy = 0.0f; + + matrix->xz = sin_heading * cos_pitch; + matrix->yz = -sin_pitch; + matrix->zz = cos_heading * cos_pitch; + matrix->wz = 0; + + matrix->xw = 0; + matrix->yw = 0; + matrix->zw = 0; + matrix->ww = 1; + + matrix->flags = (MAT_FLAG_GENERAL | MAT_DIRTY_ALL); +} + +/* + * Transpose a float matrix. + */ +static void +_cogl_matrix_util_transposef (float to[16], const float from[16]) +{ + to[0] = from[0]; + to[1] = from[4]; + to[2] = from[8]; + to[3] = from[12]; + to[4] = from[1]; + to[5] = from[5]; + to[6] = from[9]; + to[7] = from[13]; + to[8] = from[2]; + to[9] = from[6]; + to[10] = from[10]; + to[11] = from[14]; + to[12] = from[3]; + to[13] = from[7]; + to[14] = from[11]; + to[15] = from[15]; +} + +void +cogl_matrix_view_2d_in_frustum (CoglMatrix *matrix, + float left, + float right, + float bottom, + float top, + float z_near, + float z_2d, + float width_2d, + float height_2d) +{ + float left_2d_plane = left / z_near * z_2d; + float right_2d_plane = right / z_near * z_2d; + float bottom_2d_plane = bottom / z_near * z_2d; + float top_2d_plane = top / z_near * z_2d; + + float width_2d_start = right_2d_plane - left_2d_plane; + float height_2d_start = top_2d_plane - bottom_2d_plane; + + /* Factors to scale from framebuffer geometry to frustum + * cross-section geometry. */ + float width_scale = width_2d_start / width_2d; + float height_scale = height_2d_start / height_2d; + + cogl_matrix_translate (matrix, + left_2d_plane, top_2d_plane, -z_2d); + + cogl_matrix_scale (matrix, width_scale, -height_scale, width_scale); +} + +/* Assuming a symmetric perspective matrix is being used for your + * projective transform this convenience function lets you compose a + * view transform such that geometry on the z=0 plane will map to + * screen coordinates with a top left origin of (0,0) and with the + * given width and height. + */ +void +cogl_matrix_view_2d_in_perspective (CoglMatrix *matrix, + float fov_y, + float aspect, + float z_near, + float z_2d, + float width_2d, + float height_2d) +{ + float top = z_near * tan (fov_y * G_PI / 360.0); + cogl_matrix_view_2d_in_frustum (matrix, + -top * aspect, + top * aspect, + -top, + top, + z_near, + z_2d, + width_2d, + height_2d); +} + +CoglBool +cogl_matrix_equal (const void *v1, const void *v2) +{ + const CoglMatrix *a = v1; + const CoglMatrix *b = v2; + + _COGL_RETURN_VAL_IF_FAIL (v1 != NULL, FALSE); + _COGL_RETURN_VAL_IF_FAIL (v2 != NULL, FALSE); + + /* We want to avoid having a fuzzy _equal() function (e.g. that uses + * an arbitrary epsilon value) since this function noteably conforms + * to the prototype suitable for use with g_hash_table_new() and a + * fuzzy hash function isn't really appropriate for comparing hash + * table keys since it's possible that you could end up fetching + * different values if you end up with multiple similar keys in use + * at the same time. If you consider that fuzzyness allows cases + * such as A == B == C but A != C then you could also end up loosing + * values in a hash table. + * + * We do at least use the == operator to compare values though so + * that -0 is considered equal to 0. + */ + + /* XXX: We don't compare the flags, inverse matrix or padding */ + if (a->xx == b->xx && + a->xy == b->xy && + a->xz == b->xz && + a->xw == b->xw && + a->yx == b->yx && + a->yy == b->yy && + a->yz == b->yz && + a->yw == b->yw && + a->zx == b->zx && + a->zy == b->zy && + a->zz == b->zz && + a->zw == b->zw && + a->wx == b->wx && + a->wy == b->wy && + a->wz == b->wz && + a->ww == b->ww) + return TRUE; + else + return FALSE; +} + +CoglMatrix * +cogl_matrix_copy (const CoglMatrix *matrix) +{ + if (G_LIKELY (matrix)) + return g_slice_dup (CoglMatrix, matrix); + + return NULL; +} + +void +cogl_matrix_free (CoglMatrix *matrix) +{ + g_slice_free (CoglMatrix, matrix); +} + +const float * +cogl_matrix_get_array (const CoglMatrix *matrix) +{ + return (float *)matrix; +} + +void +cogl_matrix_transform_point (const CoglMatrix *matrix, + float *x, + float *y, + float *z, + float *w) +{ + float _x = *x, _y = *y, _z = *z, _w = *w; + + *x = matrix->xx * _x + matrix->xy * _y + matrix->xz * _z + matrix->xw * _w; + *y = matrix->yx * _x + matrix->yy * _y + matrix->yz * _z + matrix->yw * _w; + *z = matrix->zx * _x + matrix->zy * _y + matrix->zz * _z + matrix->zw * _w; + *w = matrix->wx * _x + matrix->wy * _y + matrix->wz * _z + matrix->ww * _w; +} + +typedef struct _Point2f +{ + float x; + float y; +} Point2f; + +typedef struct _Point3f +{ + float x; + float y; + float z; +} Point3f; + +typedef struct _Point4f +{ + float x; + float y; + float z; + float w; +} Point4f; + +static void +_cogl_matrix_transform_points_f2 (const CoglMatrix *matrix, + size_t stride_in, + const void *points_in, + size_t stride_out, + void *points_out, + int n_points) +{ + int i; + + for (i = 0; i < n_points; i++) + { + Point2f p = *(Point2f *)((uint8_t *)points_in + i * stride_in); + Point3f *o = (Point3f *)((uint8_t *)points_out + i * stride_out); + + o->x = matrix->xx * p.x + matrix->xy * p.y + matrix->xw; + o->y = matrix->yx * p.x + matrix->yy * p.y + matrix->yw; + o->z = matrix->zx * p.x + matrix->zy * p.y + matrix->zw; + } +} + +static void +_cogl_matrix_project_points_f2 (const CoglMatrix *matrix, + size_t stride_in, + const void *points_in, + size_t stride_out, + void *points_out, + int n_points) +{ + int i; + + for (i = 0; i < n_points; i++) + { + Point2f p = *(Point2f *)((uint8_t *)points_in + i * stride_in); + Point4f *o = (Point4f *)((uint8_t *)points_out + i * stride_out); + + o->x = matrix->xx * p.x + matrix->xy * p.y + matrix->xw; + o->y = matrix->yx * p.x + matrix->yy * p.y + matrix->yw; + o->z = matrix->zx * p.x + matrix->zy * p.y + matrix->zw; + o->w = matrix->wx * p.x + matrix->wy * p.y + matrix->ww; + } +} + +static void +_cogl_matrix_transform_points_f3 (const CoglMatrix *matrix, + size_t stride_in, + const void *points_in, + size_t stride_out, + void *points_out, + int n_points) +{ + int i; + + for (i = 0; i < n_points; i++) + { + Point3f p = *(Point3f *)((uint8_t *)points_in + i * stride_in); + Point3f *o = (Point3f *)((uint8_t *)points_out + i * stride_out); + + o->x = matrix->xx * p.x + matrix->xy * p.y + + matrix->xz * p.z + matrix->xw; + o->y = matrix->yx * p.x + matrix->yy * p.y + + matrix->yz * p.z + matrix->yw; + o->z = matrix->zx * p.x + matrix->zy * p.y + + matrix->zz * p.z + matrix->zw; + } +} + +static void +_cogl_matrix_project_points_f3 (const CoglMatrix *matrix, + size_t stride_in, + const void *points_in, + size_t stride_out, + void *points_out, + int n_points) +{ + int i; + + for (i = 0; i < n_points; i++) + { + Point3f p = *(Point3f *)((uint8_t *)points_in + i * stride_in); + Point4f *o = (Point4f *)((uint8_t *)points_out + i * stride_out); + + o->x = matrix->xx * p.x + matrix->xy * p.y + + matrix->xz * p.z + matrix->xw; + o->y = matrix->yx * p.x + matrix->yy * p.y + + matrix->yz * p.z + matrix->yw; + o->z = matrix->zx * p.x + matrix->zy * p.y + + matrix->zz * p.z + matrix->zw; + o->w = matrix->wx * p.x + matrix->wy * p.y + + matrix->wz * p.z + matrix->ww; + } +} + +static void +_cogl_matrix_project_points_f4 (const CoglMatrix *matrix, + size_t stride_in, + const void *points_in, + size_t stride_out, + void *points_out, + int n_points) +{ + int i; + + for (i = 0; i < n_points; i++) + { + Point4f p = *(Point4f *)((uint8_t *)points_in + i * stride_in); + Point4f *o = (Point4f *)((uint8_t *)points_out + i * stride_out); + + o->x = matrix->xx * p.x + matrix->xy * p.y + + matrix->xz * p.z + matrix->xw * p.w; + o->y = matrix->yx * p.x + matrix->yy * p.y + + matrix->yz * p.z + matrix->yw * p.w; + o->z = matrix->zx * p.x + matrix->zy * p.y + + matrix->zz * p.z + matrix->zw * p.w; + o->w = matrix->wx * p.x + matrix->wy * p.y + + matrix->wz * p.z + matrix->ww * p.w; + } +} + +void +cogl_matrix_transform_points (const CoglMatrix *matrix, + int n_components, + size_t stride_in, + const void *points_in, + size_t stride_out, + void *points_out, + int n_points) +{ + /* The results of transforming always have three components... */ + _COGL_RETURN_IF_FAIL (stride_out >= sizeof (Point3f)); + + if (n_components == 2) + _cogl_matrix_transform_points_f2 (matrix, + stride_in, points_in, + stride_out, points_out, + n_points); + else + { + _COGL_RETURN_IF_FAIL (n_components == 3); + + _cogl_matrix_transform_points_f3 (matrix, + stride_in, points_in, + stride_out, points_out, + n_points); + } +} + +void +cogl_matrix_project_points (const CoglMatrix *matrix, + int n_components, + size_t stride_in, + const void *points_in, + size_t stride_out, + void *points_out, + int n_points) +{ + if (n_components == 2) + _cogl_matrix_project_points_f2 (matrix, + stride_in, points_in, + stride_out, points_out, + n_points); + else if (n_components == 3) + _cogl_matrix_project_points_f3 (matrix, + stride_in, points_in, + stride_out, points_out, + n_points); + else + { + _COGL_RETURN_IF_FAIL (n_components == 4); + + _cogl_matrix_project_points_f4 (matrix, + stride_in, points_in, + stride_out, points_out, + n_points); + } +} + +CoglBool +cogl_matrix_is_identity (const CoglMatrix *matrix) +{ + if (!(matrix->flags & MAT_DIRTY_TYPE) && + matrix->type == COGL_MATRIX_TYPE_IDENTITY) + return TRUE; + else + return memcmp (matrix, identity, sizeof (float) * 16) == 0; +} + +void +cogl_matrix_look_at (CoglMatrix *matrix, + float eye_position_x, + float eye_position_y, + float eye_position_z, + float object_x, + float object_y, + float object_z, + float world_up_x, + float world_up_y, + float world_up_z) +{ + CoglMatrix tmp; + float forward[3]; + float side[3]; + float up[3]; + + /* Get a unit viewing direction vector */ + cogl_vector3_init (forward, + object_x - eye_position_x, + object_y - eye_position_y, + object_z - eye_position_z); + cogl_vector3_normalize (forward); + + cogl_vector3_init (up, world_up_x, world_up_y, world_up_z); + + /* Take the sideways direction as being perpendicular to the viewing + * direction and the word up vector. */ + cogl_vector3_cross_product (side, forward, up); + cogl_vector3_normalize (side); + + /* Now we have unit sideways and forward-direction vectors calculate + * a new mutually perpendicular up vector. */ + cogl_vector3_cross_product (up, side, forward); + + tmp.xx = side[0]; + tmp.yx = side[1]; + tmp.zx = side[2]; + tmp.wx = 0; + + tmp.xy = up[0]; + tmp.yy = up[1]; + tmp.zy = up[2]; + tmp.wy = 0; + + tmp.xz = -forward[0]; + tmp.yz = -forward[1]; + tmp.zz = -forward[2]; + tmp.wz = 0; + + tmp.xw = 0; + tmp.yw = 0; + tmp.zw = 0; + tmp.ww = 1; + + tmp.flags = (MAT_FLAG_GENERAL_3D | MAT_DIRTY_TYPE | MAT_DIRTY_INVERSE); + + cogl_matrix_translate (&tmp, -eye_position_x, -eye_position_y, -eye_position_z); + + cogl_matrix_multiply (matrix, matrix, &tmp); +} + +void +cogl_matrix_transpose (CoglMatrix *matrix) +{ + float new_values[16]; + + /* We don't need to do anything if the matrix is the identity matrix */ + if (!(matrix->flags & MAT_DIRTY_TYPE) && + matrix->type == COGL_MATRIX_TYPE_IDENTITY) + return; + + _cogl_matrix_util_transposef (new_values, cogl_matrix_get_array (matrix)); + + cogl_matrix_init_from_array (matrix, new_values); +} + +#ifdef COGL_HAS_GTYPE_SUPPORT +GType +cogl_gtype_matrix_get_type (void) +{ + return cogl_matrix_get_gtype (); +} +#endif diff --git a/cogl/cogl-matrix.h b/cogl/cogl-matrix.h new file mode 100644 index 0000000..58ec5c7 --- /dev/null +++ b/cogl/cogl-matrix.h @@ -0,0 +1,821 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_MATRIX_H +#define __COGL_MATRIX_H + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif /* COGL_HAS_GTYPE_SUPPORT */ + +#include +#include + +#ifdef COGL_ENABLE_EXPERIMENTAL_API +#include +#endif +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-matrix + * @short_description: Functions for initializing and manipulating 4x4 matrices + * + * Matrices are used in Cogl to describe affine model-view transforms, texture + * transforms, and projective transforms. This exposes a utility API that can + * be used for direct manipulation of these matrices. + */ + +/** + * CoglMatrix: + * + * A CoglMatrix holds a 4x4 transform matrix. This is a single precision, + * column-major matrix which means it is compatible with what OpenGL expects. + * + * A CoglMatrix can represent transforms such as, rotations, scaling, + * translation, sheering, and linear projections. You can combine these + * transforms by multiplying multiple matrices in the order you want them + * applied. + * + * The transformation of a vertex (x, y, z, w) by a CoglMatrix is given by: + * + * |[ + * x_new = xx * x + xy * y + xz * z + xw * w + * y_new = yx * x + yy * y + yz * z + yw * w + * z_new = zx * x + zy * y + zz * z + zw * w + * w_new = wx * x + wy * y + wz * z + ww * w + * ]| + * + * Where w is normally 1 + * + * You must consider the members of the CoglMatrix structure read only, + * and all matrix modifications must be done via the cogl_matrix API. This + * allows Cogl to annotate the matrices internally. Violation of this will give + * undefined results. If you need to initialize a matrix with a constant other + * than the identity matrix you can use cogl_matrix_init_from_array(). + */ +struct _CoglMatrix +{ + /* column 0 */ + float xx; + float yx; + float zx; + float wx; + + /* column 1 */ + float xy; + float yy; + float zy; + float wy; + + /* column 2 */ + float xz; + float yz; + float zz; + float wz; + + /* column 3 */ + float xw; + float yw; + float zw; + float ww; + + /*< private >*/ + + /* Note: we may want to extend this later with private flags + * and a cache of the inverse transform matrix. */ + float COGL_PRIVATE (inv)[16]; + unsigned long COGL_PRIVATE (type); + unsigned long COGL_PRIVATE (flags); + unsigned long COGL_PRIVATE (_padding3); +}; +COGL_STRUCT_SIZE_ASSERT (CoglMatrix, 128 + sizeof (unsigned long) * 3); + + +/** + * cogl_matrix_init_identity: + * @matrix: A 4x4 transformation matrix + * + * Resets matrix to the identity matrix: + * + * |[ + * .xx=1; .xy=0; .xz=0; .xw=0; + * .yx=0; .yy=1; .yz=0; .yw=0; + * .zx=0; .zy=0; .zz=1; .zw=0; + * .wx=0; .wy=0; .wz=0; .ww=1; + * ]| + */ +void +cogl_matrix_init_identity (CoglMatrix *matrix); + +/** + * cogl_matrix_init_translation: + * @matrix: A 4x4 transformation matrix + * @tx: x coordinate of the translation vector + * @ty: y coordinate of the translation vector + * @tz: z coordinate of the translation vector + * + * Resets matrix to the (tx, ty, tz) translation matrix: + * + * |[ + * .xx=1; .xy=0; .xz=0; .xw=tx; + * .yx=0; .yy=1; .yz=0; .yw=ty; + * .zx=0; .zy=0; .zz=1; .zw=tz; + * .wx=0; .wy=0; .wz=0; .ww=1; + * ]| + * + * Since: 2.0 + */ +void +cogl_matrix_init_translation (CoglMatrix *matrix, + float tx, + float ty, + float tz); + +/** + * cogl_matrix_multiply: + * @result: The address of a 4x4 matrix to store the result in + * @a: A 4x4 transformation matrix + * @b: A 4x4 transformation matrix + * + * Multiplies the two supplied matrices together and stores + * the resulting matrix inside @result. + * + * It is possible to multiply the @a matrix in-place, so + * @result can be equal to @a but can't be equal to @b. + */ +void +cogl_matrix_multiply (CoglMatrix *result, + const CoglMatrix *a, + const CoglMatrix *b); + +/** + * cogl_matrix_rotate: + * @matrix: A 4x4 transformation matrix + * @angle: The angle you want to rotate in degrees + * @x: X component of your rotation vector + * @y: Y component of your rotation vector + * @z: Z component of your rotation vector + * + * Multiplies @matrix with a rotation matrix that applies a rotation + * of @angle degrees around the specified 3D vector. + */ +void +cogl_matrix_rotate (CoglMatrix *matrix, + float angle, + float x, + float y, + float z); + +#ifdef COGL_ENABLE_EXPERIMENTAL_API +/** + * cogl_matrix_rotate_quaternion: + * @matrix: A 4x4 transformation matrix + * @quaternion: A quaternion describing a rotation + * + * Multiplies @matrix with a rotation transformation described by the + * given #CoglQuaternion. + * + * Since: 2.0 + */ +void +cogl_matrix_rotate_quaternion (CoglMatrix *matrix, + const CoglQuaternion *quaternion); + +/** + * cogl_matrix_rotate_euler: + * @matrix: A 4x4 transformation matrix + * @euler: A euler describing a rotation + * + * Multiplies @matrix with a rotation transformation described by the + * given #CoglEuler. + * + * Since: 2.0 + */ +void +cogl_matrix_rotate_euler (CoglMatrix *matrix, + const CoglEuler *euler); +#endif + +/** + * cogl_matrix_translate: + * @matrix: A 4x4 transformation matrix + * @x: The X translation you want to apply + * @y: The Y translation you want to apply + * @z: The Z translation you want to apply + * + * Multiplies @matrix with a transform matrix that translates along + * the X, Y and Z axis. + */ +void +cogl_matrix_translate (CoglMatrix *matrix, + float x, + float y, + float z); + +/** + * cogl_matrix_scale: + * @matrix: A 4x4 transformation matrix + * @sx: The X scale factor + * @sy: The Y scale factor + * @sz: The Z scale factor + * + * Multiplies @matrix with a transform matrix that scales along the X, + * Y and Z axis. + */ +void +cogl_matrix_scale (CoglMatrix *matrix, + float sx, + float sy, + float sz); + +/** + * cogl_matrix_look_at: + * @matrix: A 4x4 transformation matrix + * @eye_position_x: The X coordinate to look from + * @eye_position_y: The Y coordinate to look from + * @eye_position_z: The Z coordinate to look from + * @object_x: The X coordinate of the object to look at + * @object_y: The Y coordinate of the object to look at + * @object_z: The Z coordinate of the object to look at + * @world_up_x: The X component of the world's up direction vector + * @world_up_y: The Y component of the world's up direction vector + * @world_up_z: The Z component of the world's up direction vector + * + * Applies a view transform @matrix that positions the camera at + * the coordinate (@eye_position_x, @eye_position_y, @eye_position_z) + * looking towards an object at the coordinate (@object_x, @object_y, + * @object_z). The top of the camera is aligned to the given world up + * vector, which is normally simply (0, 1, 0) to map up to the + * positive direction of the y axis. + * + * Because there is a lot of missleading documentation online for + * gluLookAt regarding the up vector we want to try and be a bit + * clearer here. + * + * The up vector should simply be relative to your world coordinates + * and does not need to change as you move the eye and object + * positions. Many online sources may claim that the up vector needs + * to be perpendicular to the vector between the eye and object + * position (partly because the man page is somewhat missleading) but + * that is not necessary for this function. + * + * You should never look directly along the world-up + * vector. + * + * It is assumed you are using a typical projection matrix where + * your origin maps to the center of your viewport. + * + * Almost always when you use this function it should be the first + * transform applied to a new modelview transform + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_matrix_look_at (CoglMatrix *matrix, + float eye_position_x, + float eye_position_y, + float eye_position_z, + float object_x, + float object_y, + float object_z, + float world_up_x, + float world_up_y, + float world_up_z); + +/** + * cogl_matrix_frustum: + * @matrix: A 4x4 transformation matrix + * @left: X position of the left clipping plane where it + * intersects the near clipping plane + * @right: X position of the right clipping plane where it + * intersects the near clipping plane + * @bottom: Y position of the bottom clipping plane where it + * intersects the near clipping plane + * @top: Y position of the top clipping plane where it intersects + * the near clipping plane + * @z_near: The distance to the near clipping plane (Must be positive) + * @z_far: The distance to the far clipping plane (Must be positive) + * + * Multiplies @matrix by the given frustum perspective matrix. + */ +void +cogl_matrix_frustum (CoglMatrix *matrix, + float left, + float right, + float bottom, + float top, + float z_near, + float z_far); + +/** + * cogl_matrix_perspective: + * @matrix: A 4x4 transformation matrix + * @fov_y: Vertical field of view angle in degrees. + * @aspect: The (width over height) aspect ratio for display + * @z_near: The distance to the near clipping plane (Must be positive, + * and must not be 0) + * @z_far: The distance to the far clipping plane (Must be positive) + * + * Multiplies @matrix by the described perspective matrix + * + * You should be careful not to have to great a @z_far / @z_near + * ratio since that will reduce the effectiveness of depth testing + * since there wont be enough precision to identify the depth of + * objects near to each other. + */ +void +cogl_matrix_perspective (CoglMatrix *matrix, + float fov_y, + float aspect, + float z_near, + float z_far); + +#ifdef COGL_ENABLE_EXPERIMENTAL_API +/** + * cogl_matrix_orthographic: + * @matrix: A 4x4 transformation matrix + * @x_1: The x coordinate for the first vertical clipping plane + * @y_1: The y coordinate for the first horizontal clipping plane + * @x_2: The x coordinate for the second vertical clipping plane + * @y_2: The y coordinate for the second horizontal clipping plane + * @near: The distance to the near clipping + * plane (will be negative if the plane is + * behind the viewer) + * @far: The distance to the far clipping + * plane (will be negative if the plane is + * behind the viewer) + * + * Multiplies @matrix by a parallel projection matrix. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_matrix_orthographic (CoglMatrix *matrix, + float x_1, + float y_1, + float x_2, + float y_2, + float near, + float far); +#endif + +/** + * cogl_matrix_ortho: + * @matrix: A 4x4 transformation matrix + * @left: The coordinate for the left clipping plane + * @right: The coordinate for the right clipping plane + * @bottom: The coordinate for the bottom clipping plane + * @top: The coordinate for the top clipping plane + * @near: The distance to the near clipping + * plane (will be negative if the plane is + * behind the viewer) + * @far: The distance to the far clipping + * plane (will be negative if the plane is + * behind the viewer) + * + * Multiplies @matrix by a parallel projection matrix. + * + * Deprecated: 1.10: Use cogl_matrix_orthographic() + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_matrix_orthographic) +void +cogl_matrix_ortho (CoglMatrix *matrix, + float left, + float right, + float bottom, + float top, + float near, + float far); + +#ifdef COGL_ENABLE_EXPERIMENTAL_API +/** + * cogl_matrix_view_2d_in_frustum: + * @matrix: A 4x4 transformation matrix + * @left: coord of left vertical clipping plane + * @right: coord of right vertical clipping plane + * @bottom: coord of bottom horizontal clipping plane + * @top: coord of top horizontal clipping plane + * @z_near: The distance to the near clip plane. Never pass 0 and always pass + * a positive number. + * @z_2d: The distance to the 2D plane. (Should always be positive and + * be between @z_near and the z_far value that was passed to + * cogl_matrix_frustum()) + * @width_2d: The width of the 2D coordinate system + * @height_2d: The height of the 2D coordinate system + * + * Multiplies @matrix by a view transform that maps the 2D coordinates + * (0,0) top left and (@width_2d,@height_2d) bottom right the full viewport + * size. Geometry at a depth of 0 will now lie on this 2D plane. + * + * Note: this doesn't multiply the matrix by any projection matrix, + * but it assumes you have a perspective projection as defined by + * passing the corresponding arguments to cogl_matrix_frustum(). + + * Toolkits such as Clutter that mix 2D and 3D drawing can use this to + * create a 2D coordinate system within a 3D perspective projected + * view frustum. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_matrix_view_2d_in_frustum (CoglMatrix *matrix, + float left, + float right, + float bottom, + float top, + float z_near, + float z_2d, + float width_2d, + float height_2d); + +/** + * cogl_matrix_view_2d_in_perspective: + * @fov_y: A field of view angle for the Y axis + * @aspect: The ratio of width to height determining the field of view angle + * for the x axis. + * @z_near: The distance to the near clip plane. Never pass 0 and always pass + * a positive number. + * @z_2d: The distance to the 2D plane. (Should always be positive and + * be between @z_near and the z_far value that was passed to + * cogl_matrix_frustum()) + * @width_2d: The width of the 2D coordinate system + * @height_2d: The height of the 2D coordinate system + * + * Multiplies @matrix by a view transform that maps the 2D coordinates + * (0,0) top left and (@width_2d,@height_2d) bottom right the full viewport + * size. Geometry at a depth of 0 will now lie on this 2D plane. + * + * Note: this doesn't multiply the matrix by any projection matrix, + * but it assumes you have a perspective projection as defined by + * passing the corresponding arguments to cogl_matrix_perspective(). + * + * Toolkits such as Clutter that mix 2D and 3D drawing can use this to + * create a 2D coordinate system within a 3D perspective projected + * view frustum. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_matrix_view_2d_in_perspective (CoglMatrix *matrix, + float fov_y, + float aspect, + float z_near, + float z_2d, + float width_2d, + float height_2d); + +#endif + +/** + * cogl_matrix_init_from_array: + * @matrix: A 4x4 transformation matrix + * @array: A linear array of 16 floats (column-major order) + * + * Initializes @matrix with the contents of @array + */ +void +cogl_matrix_init_from_array (CoglMatrix *matrix, + const float *array); + +/** + * cogl_matrix_get_array: + * @matrix: A 4x4 transformation matrix + * + * Casts @matrix to a float array which can be directly passed to OpenGL. + * + * Return value: a pointer to the float array + */ +const float * +cogl_matrix_get_array (const CoglMatrix *matrix); + +#ifdef COGL_ENABLE_EXPERIMENTAL_API +/** + * cogl_matrix_init_from_quaternion: + * @matrix: A 4x4 transformation matrix + * @quaternion: A #CoglQuaternion + * + * Initializes @matrix from a #CoglQuaternion rotation. + */ +void +cogl_matrix_init_from_quaternion (CoglMatrix *matrix, + const CoglQuaternion *quaternion); + +/** + * cogl_matrix_init_from_euler: + * @matrix: A 4x4 transformation matrix + * @euler: A #CoglEuler + * + * Initializes @matrix from a #CoglEuler rotation. + */ +void +cogl_matrix_init_from_euler (CoglMatrix *matrix, + const CoglEuler *euler); +#endif + +/** + * cogl_matrix_equal: + * @v1: A 4x4 transformation matrix + * @v2: A 4x4 transformation matrix + * + * Compares two matrices to see if they represent the same + * transformation. Although internally the matrices may have different + * annotations associated with them and may potentially have a cached + * inverse matrix these are not considered in the comparison. + * + * Since: 1.4 + */ +CoglBool +cogl_matrix_equal (const void *v1, const void *v2); + +/** + * cogl_matrix_copy: + * @matrix: A 4x4 transformation matrix you want to copy + * + * Allocates a new #CoglMatrix on the heap and initializes it with + * the same values as @matrix. + * + * Return value: (transfer full): A newly allocated #CoglMatrix which + * should be freed using cogl_matrix_free() + * + * Since: 1.6 + */ +CoglMatrix * +cogl_matrix_copy (const CoglMatrix *matrix); + +/** + * cogl_matrix_free: + * @matrix: A 4x4 transformation matrix you want to free + * + * Frees a #CoglMatrix that was previously allocated via a call to + * cogl_matrix_copy(). + * + * Since: 1.6 + */ +void +cogl_matrix_free (CoglMatrix *matrix); + +/** + * cogl_matrix_get_inverse: + * @matrix: A 4x4 transformation matrix + * @inverse: (out): The destination for a 4x4 inverse transformation matrix + * + * Gets the inverse transform of a given matrix and uses it to initialize + * a new #CoglMatrix. + * + * Although the first parameter is annotated as const to indicate + * that the transform it represents isn't modified this function may + * technically save a copy of the inverse transform within the given + * #CoglMatrix so that subsequent requests for the inverse transform may + * avoid costly inversion calculations. + * + * Return value: %TRUE if the inverse was successfully calculated or %FALSE + * for degenerate transformations that can't be inverted (in this case the + * @inverse matrix will simply be initialized with the identity matrix) + * + * Since: 1.2 + */ +CoglBool +cogl_matrix_get_inverse (const CoglMatrix *matrix, + CoglMatrix *inverse); + +/* FIXME: to be consistent with cogl_matrix_{transform,project}_points + * this could be renamed to cogl_matrix_project_point for Cogl 2.0... + */ + +/** + * cogl_matrix_transform_point: + * @matrix: A 4x4 transformation matrix + * @x: (inout): The X component of your points position + * @y: (inout): The Y component of your points position + * @z: (inout): The Z component of your points position + * @w: (inout): The W component of your points position + * + * Transforms a point whos position is given and returned as four float + * components. + */ +void +cogl_matrix_transform_point (const CoglMatrix *matrix, + float *x, + float *y, + float *z, + float *w); + +#ifdef COGL_ENABLE_EXPERIMENTAL_API +/** + * cogl_matrix_transform_points: + * @matrix: A transformation matrix + * @n_components: The number of position components for each input point. + * (either 2 or 3) + * @stride_in: The stride in bytes between input points. + * @points_in: A pointer to the first component of the first input point. + * @stride_out: The stride in bytes between output points. + * @points_out: A pointer to the first component of the first output point. + * @n_points: The number of points to transform. + * + * Transforms an array of input points and writes the result to + * another array of output points. The input points can either have 2 + * or 3 components each. The output points always have 3 components. + * The output array can simply point to the input array to do the + * transform in-place. + * + * If you need to transform 4 component points see + * cogl_matrix_project_points(). + * + * Here's an example with differing input/output strides: + * |[ + * typedef struct { + * float x,y; + * uint8_t r,g,b,a; + * float s,t,p; + * } MyInVertex; + * typedef struct { + * uint8_t r,g,b,a; + * float x,y,z; + * } MyOutVertex; + * MyInVertex vertices[N_VERTICES]; + * MyOutVertex results[N_VERTICES]; + * CoglMatrix matrix; + * + * my_load_vertices (vertices); + * my_get_matrix (&matrix); + * + * cogl_matrix_transform_points (&matrix, + * 2, + * sizeof (MyInVertex), + * &vertices[0].x, + * sizeof (MyOutVertex), + * &results[0].x, + * N_VERTICES); + * ]| + * + * Stability: unstable + */ +void +cogl_matrix_transform_points (const CoglMatrix *matrix, + int n_components, + size_t stride_in, + const void *points_in, + size_t stride_out, + void *points_out, + int n_points); + +/** + * cogl_matrix_project_points: + * @matrix: A projection matrix + * @n_components: The number of position components for each input point. + * (either 2, 3 or 4) + * @stride_in: The stride in bytes between input points. + * @points_in: A pointer to the first component of the first input point. + * @stride_out: The stride in bytes between output points. + * @points_out: A pointer to the first component of the first output point. + * @n_points: The number of points to transform. + * + * Projects an array of input points and writes the result to another + * array of output points. The input points can either have 2, 3 or 4 + * components each. The output points always have 4 components (known + * as homogenous coordinates). The output array can simply point to + * the input array to do the transform in-place. + * + * Here's an example with differing input/output strides: + * |[ + * typedef struct { + * float x,y; + * uint8_t r,g,b,a; + * float s,t,p; + * } MyInVertex; + * typedef struct { + * uint8_t r,g,b,a; + * float x,y,z; + * } MyOutVertex; + * MyInVertex vertices[N_VERTICES]; + * MyOutVertex results[N_VERTICES]; + * CoglMatrix matrix; + * + * my_load_vertices (vertices); + * my_get_matrix (&matrix); + * + * cogl_matrix_project_points (&matrix, + * 2, + * sizeof (MyInVertex), + * &vertices[0].x, + * sizeof (MyOutVertex), + * &results[0].x, + * N_VERTICES); + * ]| + * + * Stability: unstable + */ +void +cogl_matrix_project_points (const CoglMatrix *matrix, + int n_components, + size_t stride_in, + const void *points_in, + size_t stride_out, + void *points_out, + int n_points); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +/** + * cogl_matrix_is_identity: + * @matrix: A #CoglMatrix + * + * Determines if the given matrix is an identity matrix. + * + * Returns: %TRUE if @matrix is an identity matrix else %FALSE + * Since: 1.8 + */ +CoglBool +cogl_matrix_is_identity (const CoglMatrix *matrix); + +/** + * cogl_matrix_transpose: + * @matrix: A #CoglMatrix + * + * Replaces @matrix with its transpose. Ie, every element (i,j) in the + * new matrix is taken from element (j,i) in the old matrix. + * + * Since: 1.10 + */ +void +cogl_matrix_transpose (CoglMatrix *matrix); + +/** + * cogl_debug_matrix_print: + * @matrix: A #CoglMatrix + * + * Prints the contents of a #CoglMatrix to stdout. + * + * Since: 2.0 + */ +void +cogl_debug_matrix_print (const CoglMatrix *matrix); + +#ifdef COGL_HAS_GTYPE_SUPPORT + +#define COGL_GTYPE_TYPE_MATRIX (cogl_matrix_get_gtype ()) + +/** + * cogl_matrix_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_matrix_get_gtype (void); + +/** + * cogl_gtype_matrix_get_type: + * + * Returns: the GType for the registered "CoglMatrix" boxed type. This + * can be used for example to define GObject properties that accept a + * #CoglMatrix value. + * + * Deprecated: 1.18: Use cogl_matrix_get_gtype() instead. + */ +GType +cogl_gtype_matrix_get_type (void); + +#endif /* COGL_HAS_GTYPE_SUPPORT*/ + +COGL_END_DECLS + +#endif /* __COGL_MATRIX_H */ diff --git a/cogl/cogl-memory-stack-private.h b/cogl/cogl-memory-stack-private.h new file mode 100644 index 0000000..2b6ee82 --- /dev/null +++ b/cogl/cogl-memory-stack-private.h @@ -0,0 +1,50 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_MEMORY_STACK__ +#define __COGL_MEMORY_STACK__ + +#include + +typedef struct _CoglMemoryStack CoglMemoryStack; + +CoglMemoryStack * +_cogl_memory_stack_new (size_t initial_size_bytes); + +void * +_cogl_memory_stack_alloc (CoglMemoryStack *stack, size_t bytes); + +void +_cogl_memory_stack_rewind (CoglMemoryStack *stack); + +void +_cogl_memory_stack_free (CoglMemoryStack *stack); + +#endif /* __COGL_MEMORY_STACK__ */ diff --git a/cogl/cogl-memory-stack.c b/cogl/cogl-memory-stack.c new file mode 100644 index 0000000..f723abc --- /dev/null +++ b/cogl/cogl-memory-stack.c @@ -0,0 +1,196 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * CoglMemoryStack provides a really simple, but lightning fast + * memory stack allocation strategy: + * + * - The underlying pool of memory is grow-only. + * - The pool is considered to be a stack which may be comprised + * of multiple smaller stacks. Allocation is done as follows: + * - If there's enough memory in the current sub-stack then the + * stack-pointer will be returned as the allocation and the + * stack-pointer will be incremented by the allocation size. + * - If there isn't enough memory in the current sub-stack + * then a new sub-stack is allocated twice as big as the current + * sub-stack or twice as big as the requested allocation size if + * that's bigger and the stack-pointer is set to the start of the + * new sub-stack. + * - Allocations can't be freed in a random-order, you can only + * rewind the entire stack back to the start. There is no + * the concept of stack frames to allow partial rewinds. + * + * For example; we plan to use this in our tesselator which has to + * allocate lots of small vertex, edge and face structures because + * when tesselation has been finished we just want to free the whole + * lot in one go. + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-memory-stack-private.h" +#include "cogl-list.h" + +#include + +#include + +typedef struct _CoglMemorySubStack +{ + CoglList link; + size_t bytes; + uint8_t *data; +} CoglMemorySubStack; + +struct _CoglMemoryStack +{ + CoglList sub_stacks; + + CoglMemorySubStack *sub_stack; + size_t sub_stack_offset; +}; + +static CoglMemorySubStack * +_cogl_memory_sub_stack_alloc (size_t bytes) +{ + CoglMemorySubStack *sub_stack = g_slice_new (CoglMemorySubStack); + sub_stack->bytes = bytes; + sub_stack->data = g_malloc (bytes); + return sub_stack; +} + +static void +_cogl_memory_stack_add_sub_stack (CoglMemoryStack *stack, + size_t sub_stack_bytes) +{ + CoglMemorySubStack *sub_stack = + _cogl_memory_sub_stack_alloc (sub_stack_bytes); + _cogl_list_insert (stack->sub_stacks.prev, &sub_stack->link); + stack->sub_stack = sub_stack; + stack->sub_stack_offset = 0; +} + +CoglMemoryStack * +_cogl_memory_stack_new (size_t initial_size_bytes) +{ + CoglMemoryStack *stack = g_slice_new0 (CoglMemoryStack); + + _cogl_list_init (&stack->sub_stacks); + + _cogl_memory_stack_add_sub_stack (stack, initial_size_bytes); + + return stack; +} + +void * +_cogl_memory_stack_alloc (CoglMemoryStack *stack, size_t bytes) +{ + CoglMemorySubStack *sub_stack; + void *ret; + + sub_stack = stack->sub_stack; + if (G_LIKELY (sub_stack->bytes - stack->sub_stack_offset >= bytes)) + { + ret = sub_stack->data + stack->sub_stack_offset; + stack->sub_stack_offset += bytes; + return ret; + } + + /* If the stack has been rewound and then a large initial allocation + * is made then we may need to skip over one or more of the + * sub-stacks that are too small for the requested allocation + * size... */ + for (_cogl_list_set_iterator (sub_stack->link.next, sub_stack, link); + &sub_stack->link != &stack->sub_stacks; + _cogl_list_set_iterator (sub_stack->link.next, sub_stack, link)) + { + if (sub_stack->bytes >= bytes) + { + ret = sub_stack->data; + stack->sub_stack = sub_stack; + stack->sub_stack_offset = bytes; + return ret; + } + } + + /* Finally if we couldn't find a free sub-stack with enough space + * for the requested allocation we allocate another sub-stack that's + * twice as big as the last sub-stack or twice as big as the + * requested allocation if that's bigger. + */ + + sub_stack = _cogl_container_of (stack->sub_stacks.prev, + CoglMemorySubStack, + link); + + _cogl_memory_stack_add_sub_stack (stack, MAX (sub_stack->bytes, bytes) * 2); + + sub_stack = _cogl_container_of (stack->sub_stacks.prev, + CoglMemorySubStack, + link); + + stack->sub_stack_offset += bytes; + + return sub_stack->data; +} + +void +_cogl_memory_stack_rewind (CoglMemoryStack *stack) +{ + stack->sub_stack = _cogl_container_of (stack->sub_stacks.next, + CoglMemorySubStack, + link); + stack->sub_stack_offset = 0; +} + +static void +_cogl_memory_sub_stack_free (CoglMemorySubStack *sub_stack) +{ + g_free (sub_stack->data); + g_slice_free (CoglMemorySubStack, sub_stack); +} + +void +_cogl_memory_stack_free (CoglMemoryStack *stack) +{ + + while (!_cogl_list_empty (&stack->sub_stacks)) + { + CoglMemorySubStack *sub_stack = + _cogl_container_of (stack->sub_stacks.next, CoglMemorySubStack, link); + _cogl_list_remove (&sub_stack->link); + _cogl_memory_sub_stack_free (sub_stack); + } + + g_slice_free (CoglMemoryStack, stack); +} diff --git a/cogl/cogl-meta-texture.c b/cogl/cogl-meta-texture.c new file mode 100644 index 0000000..554aaad --- /dev/null +++ b/cogl/cogl-meta-texture.c @@ -0,0 +1,642 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-texture.h" +#include "cogl-matrix.h" +#include "cogl-spans.h" +#include "cogl-meta-texture.h" +#include "cogl-texture-rectangle-private.h" + +#include +#include + +typedef struct _ForeachData +{ + float meta_region_coords[4]; + CoglPipelineWrapMode wrap_s; + CoglPipelineWrapMode wrap_t; + CoglMetaTextureCallback callback; + void *user_data; + + int width; + int height; + + CoglTexture *padded_textures[9]; + const float *grid_slice_texture_coords; + float slice_offset_s; + float slice_offset_t; + float slice_range_s; + float slice_range_t; +} ForeachData; + +static void +padded_grid_repeat_cb (CoglTexture *slice_texture, + const float *slice_texture_coords, + const float *meta_coords, + void *user_data) +{ + ForeachData *data; + float mapped_coords[4]; + + /* Ignore padding slices for the current grid */ + if (!slice_texture) + return; + + data = user_data; + + /* NB: the slice_texture_coords[] we get here will always be + * normalized. + * + * We now need to map the normalized slice_texture_coords[] we have + * here back to the real slice coordinates we saved in the previous + * stage... + */ + mapped_coords[0] = + slice_texture_coords[0] * data->slice_range_s + data->slice_offset_s; + mapped_coords[1] = + slice_texture_coords[1] * data->slice_range_t + data->slice_offset_t; + mapped_coords[2] = + slice_texture_coords[2] * data->slice_range_s + data->slice_offset_s; + mapped_coords[3] = + slice_texture_coords[3] * data->slice_range_t + data->slice_offset_t; + + data->callback (slice_texture, + mapped_coords, meta_coords, data->user_data); +} + +static int +setup_padded_spans (CoglSpan *spans, + float start, + float end, + float range, + int *real_index) +{ + int span_index = 0; + + if (start > 0) + { + spans[0].start = 0; + spans[0].size = start; + spans[0].waste = 0; + span_index++; + spans[1].start = spans[0].size; + } + else + spans[span_index].start = 0; + + spans[span_index].size = end - start; + spans[span_index].waste = 0; + *real_index = span_index; + span_index++; + + if (end < range) + { + spans[span_index].start = + spans[span_index - 1].start + spans[span_index - 1].size; + spans[span_index].size = range - end; + spans[span_index].waste = 0; + span_index++; + } + + return span_index; +} + +/* This handles each sub-texture within the range [0,1] of our + * original meta texture and repeats each one separately across the + * users requested virtual texture coordinates. + * + * A notable advantage of this approach is that we will batch + * together callbacks corresponding to the same underlying slice + * together. + */ +static void +create_grid_and_repeat_cb (CoglTexture *slice_texture, + const float *slice_texture_coords, + const float *meta_coords, + void *user_data) +{ + ForeachData *data = user_data; + CoglSpan x_spans[3]; + int n_x_spans; + int x_real_index; + CoglSpan y_spans[3]; + int n_y_spans; + int y_real_index; + + /* NB: This callback is called for each slice of the meta-texture + * in the range [0,1]. + * + * We define a "padded grid" for each slice of the meta-texture in + * the range [0,1]. The x axis and y axis grid lines are defined + * using CoglSpans. + * + * The padded grid maps over the meta-texture coordinates in the + * range [0,1] but only contains one valid cell that corresponds to + * current slice being iterated and all the surrounding cells just + * provide padding. + * + * Once we've defined our padded grid we then repeat that across + * the user's original region, calling their callback whenever + * we see our current slice - ignoring padding. + * + * NB: we can assume meta_coords[] are normalized at this point + * since TextureRectangles aren't iterated with this code-path. + * + * NB: spans are always defined using non-normalized coordinates + */ + n_x_spans = setup_padded_spans (x_spans, + meta_coords[0] * data->width, + meta_coords[2] * data->width, + data->width, + &x_real_index); + n_y_spans = setup_padded_spans (y_spans, + meta_coords[1] * data->height, + meta_coords[3] * data->height, + data->height, + &y_real_index); + + data->padded_textures[n_x_spans * y_real_index + x_real_index] = + slice_texture; + + /* Our callback is going to be passed normalized slice texture + * coordinates, and we will need to map the range [0,1] to the real + * slice_texture_coords we have here... */ + data->grid_slice_texture_coords = slice_texture_coords; + data->slice_range_s = fabs (data->grid_slice_texture_coords[2] - + data->grid_slice_texture_coords[0]); + data->slice_range_t = fabs (data->grid_slice_texture_coords[3] - + data->grid_slice_texture_coords[1]); + data->slice_offset_s = MIN (data->grid_slice_texture_coords[0], + data->grid_slice_texture_coords[2]); + data->slice_offset_t = MIN (data->grid_slice_texture_coords[1], + data->grid_slice_texture_coords[3]); + + /* Now actually iterate the region the user originally requested + * using the current padded grid */ + _cogl_texture_spans_foreach_in_region (x_spans, + n_x_spans, + y_spans, + n_y_spans, + data->padded_textures, + data->meta_region_coords, + data->width, + data->height, + data->wrap_s, + data->wrap_t, + padded_grid_repeat_cb, + data); + + /* Clear the padded_textures ready for the next iteration */ + data->padded_textures[n_x_spans * y_real_index + x_real_index] = NULL; +} + +#define SWAP(A,B) do { float tmp = B; B = A; A = tmp; } while (0) + +typedef struct _ClampData +{ + float start; + float end; + CoglBool s_flipped; + CoglBool t_flipped; + CoglMetaTextureCallback callback; + void *user_data; +} ClampData; + +static void +clamp_s_cb (CoglTexture *sub_texture, + const float *sub_texture_coords, + const float *meta_coords, + void *user_data) +{ + ClampData *clamp_data = user_data; + float mapped_meta_coords[4] = { + clamp_data->start, + meta_coords[1], + clamp_data->end, + meta_coords[3] + }; + if (clamp_data->s_flipped) + SWAP (mapped_meta_coords[0], mapped_meta_coords[2]); + /* NB: we never need to flip the t coords when dealing with + * s-axis clamping so no need to check if ->t_flipped */ + clamp_data->callback (sub_texture, + sub_texture_coords, mapped_meta_coords, + clamp_data->user_data); +} + +static void +clamp_t_cb (CoglTexture *sub_texture, + const float *sub_texture_coords, + const float *meta_coords, + void *user_data) +{ + ClampData *clamp_data = user_data; + float mapped_meta_coords[4] = { + meta_coords[0], + clamp_data->start, + meta_coords[2], + clamp_data->end, + }; + if (clamp_data->s_flipped) + SWAP (mapped_meta_coords[0], mapped_meta_coords[2]); + if (clamp_data->t_flipped) + SWAP (mapped_meta_coords[1], mapped_meta_coords[3]); + clamp_data->callback (sub_texture, + sub_texture_coords, mapped_meta_coords, + clamp_data->user_data); +} + +static CoglBool +foreach_clamped_region (CoglMetaTexture *meta_texture, + float *tx_1, + float *ty_1, + float *tx_2, + float *ty_2, + CoglPipelineWrapMode wrap_s, + CoglPipelineWrapMode wrap_t, + CoglMetaTextureCallback callback, + void *user_data) +{ + float width = cogl_texture_get_width (COGL_TEXTURE (meta_texture)); + ClampData clamp_data; + + /* Consider that *tx_1 may be > *tx_2 and to simplify things + * we just flip them around if that's the case and keep a note + * of the fact that they are flipped. */ + if (*tx_1 > *tx_2) + { + SWAP (*tx_1, *tx_2); + clamp_data.s_flipped = TRUE; + } + else + clamp_data.s_flipped = FALSE; + + /* The same goes for ty_1 and ty_2... */ + if (*ty_1 > *ty_2) + { + SWAP (*ty_1, *ty_2); + clamp_data.t_flipped = TRUE; + } + else + clamp_data.t_flipped = FALSE; + + clamp_data.callback = callback; + clamp_data.user_data = user_data; + + if (wrap_s == COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE) + { + float max_s_coord; + float half_texel_width; + + /* Consider that rectangle textures have non-normalized + * coordinates... */ + if (cogl_is_texture_rectangle (meta_texture)) + max_s_coord = width; + else + max_s_coord = 1.0; + + half_texel_width = max_s_coord / (width * 2); + + /* Handle any left clamped region */ + if (*tx_1 < 0) + { + clamp_data.start = *tx_1; + clamp_data.end = MIN (0, *tx_2);; + cogl_meta_texture_foreach_in_region (meta_texture, + half_texel_width, *ty_1, + half_texel_width, *ty_2, + COGL_PIPELINE_WRAP_MODE_REPEAT, + wrap_t, + clamp_s_cb, + &clamp_data); + /* Have we handled everything? */ + if (*tx_2 <= 0) + return TRUE; + + /* clamp tx_1 since we've handled everything with x < 0 */ + *tx_1 = 0; + } + + /* Handle any right clamped region - including the corners */ + if (*tx_2 > max_s_coord) + { + clamp_data.start = MAX (max_s_coord, *tx_1); + clamp_data.end = *tx_2; + cogl_meta_texture_foreach_in_region (meta_texture, + max_s_coord - half_texel_width, + *ty_1, + max_s_coord - half_texel_width, + *ty_2, + COGL_PIPELINE_WRAP_MODE_REPEAT, + wrap_t, + clamp_s_cb, + &clamp_data); + /* Have we handled everything? */ + if (*tx_1 >= max_s_coord) + return TRUE; + + /* clamp tx_2 since we've handled everything with x > + * max_s_coord */ + *tx_2 = max_s_coord; + } + } + + if (wrap_t == COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE) + { + float height = cogl_texture_get_height (COGL_TEXTURE (meta_texture)); + float max_t_coord; + float half_texel_height; + + /* Consider that rectangle textures have non-normalized + * coordinates... */ + if (cogl_is_texture_rectangle (meta_texture)) + max_t_coord = height; + else + max_t_coord = 1.0; + + half_texel_height = max_t_coord / (height * 2); + + /* Handle any top clamped region */ + if (*ty_1 < 0) + { + clamp_data.start = *ty_1; + clamp_data.end = MIN (0, *ty_2);; + cogl_meta_texture_foreach_in_region (meta_texture, + *tx_1, half_texel_height, + *tx_2, half_texel_height, + wrap_s, + COGL_PIPELINE_WRAP_MODE_REPEAT, + clamp_t_cb, + &clamp_data); + /* Have we handled everything? */ + if (*tx_2 <= 0) + return TRUE; + + /* clamp ty_1 since we've handled everything with y < 0 */ + *ty_1 = 0; + } + + /* Handle any bottom clamped region */ + if (*ty_2 > max_t_coord) + { + clamp_data.start = MAX (max_t_coord, *ty_1);; + clamp_data.end = *ty_2; + cogl_meta_texture_foreach_in_region (meta_texture, + *tx_1, + max_t_coord - half_texel_height, + *tx_2, + max_t_coord - half_texel_height, + wrap_s, + COGL_PIPELINE_WRAP_MODE_REPEAT, + clamp_t_cb, + &clamp_data); + /* Have we handled everything? */ + if (*ty_1 >= max_t_coord) + return TRUE; + + /* clamp ty_2 since we've handled everything with y > + * max_t_coord */ + *ty_2 = max_t_coord; + } + } + + if (clamp_data.s_flipped) + SWAP (*tx_1, *tx_2); + if (clamp_data.t_flipped) + SWAP (*ty_1, *ty_2); + + return FALSE; +} + +typedef struct _NormalizeData +{ + CoglMetaTextureCallback callback; + void *user_data; + float s_normalize_factor; + float t_normalize_factor; +} NormalizeData; + +static void +normalize_meta_coords_cb (CoglTexture *slice_texture, + const float *slice_coords, + const float *meta_coords, + void *user_data) +{ + NormalizeData *data = user_data; + float normalized_meta_coords[4] = { + meta_coords[0] * data->s_normalize_factor, + meta_coords[1] * data->t_normalize_factor, + meta_coords[2] * data->s_normalize_factor, + meta_coords[3] * data->t_normalize_factor + }; + + data->callback (slice_texture, + slice_coords, normalized_meta_coords, + data->user_data); +} + +typedef struct _UnNormalizeData +{ + CoglMetaTextureCallback callback; + void *user_data; + float width; + float height; +} UnNormalizeData; + +static void +un_normalize_slice_coords_cb (CoglTexture *slice_texture, + const float *slice_coords, + const float *meta_coords, + void *user_data) +{ + UnNormalizeData *data = user_data; + float un_normalized_slice_coords[4] = { + slice_coords[0] * data->width, + slice_coords[1] * data->height, + slice_coords[2] * data->width, + slice_coords[3] * data->height + }; + + data->callback (slice_texture, + un_normalized_slice_coords, meta_coords, + data->user_data); +} + +void +cogl_meta_texture_foreach_in_region (CoglMetaTexture *meta_texture, + float tx_1, + float ty_1, + float tx_2, + float ty_2, + CoglPipelineWrapMode wrap_s, + CoglPipelineWrapMode wrap_t, + CoglMetaTextureCallback callback, + void *user_data) +{ + CoglTexture *texture = COGL_TEXTURE (meta_texture); + float width = cogl_texture_get_width (texture); + float height = cogl_texture_get_height (texture); + NormalizeData normalize_data; + + if (wrap_s == COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + wrap_s = COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE; + if (wrap_t == COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + wrap_t = COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE; + + if (wrap_s == COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE || + wrap_t == COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE) + { + CoglBool finished = foreach_clamped_region (meta_texture, + &tx_1, &ty_1, &tx_2, &ty_2, + wrap_s, wrap_t, + callback, + user_data); + if (finished) + return; + + /* Since clamping has been handled we now want to normalize our + * wrap modes we se can assume from this point on we don't + * need to consider CLAMP_TO_EDGE. (NB: The spans code will + * assert that CLAMP_TO_EDGE isn't requested) */ + if (wrap_s == COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE) + wrap_s = COGL_PIPELINE_WRAP_MODE_REPEAT; + if (wrap_t == COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE) + wrap_t = COGL_PIPELINE_WRAP_MODE_REPEAT; + } + + /* It makes things simpler to deal with non-normalized region + * coordinates beyond this point and only re-normalize just before + * calling the user's callback... */ + + if (!cogl_is_texture_rectangle (COGL_TEXTURE (meta_texture))) + { + normalize_data.callback = callback; + normalize_data.user_data = user_data; + normalize_data.s_normalize_factor = 1.0f / width; + normalize_data.t_normalize_factor = 1.0f / height; + callback = normalize_meta_coords_cb; + user_data = &normalize_data; + tx_1 *= width; + ty_1 *= height; + tx_2 *= width; + ty_2 *= height; + } + + /* XXX: at some point this wont be routed through the CoglTexture + * vtable, instead there will be a separate CoglMetaTexture + * interface vtable. */ + + if (texture->vtable->foreach_sub_texture_in_region) + { + ForeachData data; + + data.meta_region_coords[0] = tx_1; + data.meta_region_coords[1] = ty_1; + data.meta_region_coords[2] = tx_2; + data.meta_region_coords[3] = ty_2; + data.wrap_s = wrap_s; + data.wrap_t = wrap_t; + data.callback = callback; + data.user_data = user_data; + + data.width = width; + data.height = height; + + memset (data.padded_textures, 0, sizeof (data.padded_textures)); + + /* + * 1) We iterate all the slices of the meta-texture only within + * the range [0,1]. + * + * 2) We define a "padded grid" for each slice of the + * meta-texture in the range [0,1]. + * + * The padded grid maps over the meta-texture coordinates in + * the range [0,1] but only contains one valid cell that + * corresponds to current slice being iterated and all the + * surrounding cells just provide padding. + * + * 3) Once we've defined our padded grid we then repeat that + * across the user's original region, calling their callback + * whenever we see our current slice - ignoring padding. + * + * A notable benefit of this design is that repeating a texture + * made of multiple slices will result in us repeating each + * slice in-turn so the user gets repeat callbacks for the same + * texture batched together. For manual emulation of texture + * repeats done by drawing geometry this makes it more likely + * that we can batch geometry. + */ + + texture->vtable->foreach_sub_texture_in_region (texture, + 0, 0, 1, 1, + create_grid_and_repeat_cb, + &data); + } + else + { + CoglSpan x_span = { 0, width, 0 }; + CoglSpan y_span = { 0, height, 0 }; + float meta_region_coords[4] = { tx_1, ty_1, tx_2, ty_2 }; + UnNormalizeData un_normalize_data; + + /* If we are dealing with a CoglTextureRectangle then we need a shim + * callback that un_normalizes the slice coordinates we get from + * _cogl_texture_spans_foreach_in_region before passing them to + * the user's callback. */ + if (cogl_is_texture_rectangle (meta_texture)) + { + un_normalize_data.callback = callback; + un_normalize_data.user_data = user_data; + un_normalize_data.width = width; + un_normalize_data.height = height; + callback = un_normalize_slice_coords_cb; + user_data = &un_normalize_data; + } + + _cogl_texture_spans_foreach_in_region (&x_span, 1, + &y_span, 1, + &texture, + meta_region_coords, + width, + height, + wrap_s, + wrap_t, + callback, + user_data); + } +} +#undef SWAP diff --git a/cogl/cogl-meta-texture.h b/cogl/cogl-meta-texture.h new file mode 100644 index 0000000..69c8cb0 --- /dev/null +++ b/cogl/cogl-meta-texture.h @@ -0,0 +1,194 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_META_TEXTURE_H__ +#define __COGL_META_TEXTURE_H__ + +#include + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-meta-texture + * @short_description: Interface for high-level textures built from + * low-level textures like #CoglTexture2D and + * #CoglTexture3D. + * + * Cogl helps to make it easy to deal with high level textures such + * as #CoglAtlasTextures, #CoglSubTextures, + * #CoglTexturePixmapX11 textures and #CoglTexture2DSliced textures + * consistently. + * + * A #CoglMetaTexture is a texture that might internally be + * represented by one or more low-level #CoglTextures + * such as #CoglTexture2D or #CoglTexture3D. These low-level textures + * are the only ones that a GPU really understands but because + * applications often want more high-level texture abstractions + * (such as storing multiple textures inside one larger "atlas" + * texture) it's desirable to be able to deal with these + * using a common interface. + * + * For example the GPU is not able to automatically handle repeating a + * texture that is part of a larger atlas texture but if you use + * %COGL_PIPELINE_WRAP_MODE_REPEAT with an atlas texture when drawing + * with cogl_rectangle() you should see that it "Just Works™" - at + * least if you don't use multi-texturing. The reason this works is + * because cogl_rectangle() internally understands the #CoglMetaTexture + * interface and is able to manually resolve the low-level textures + * using this interface and by making multiple draw calls it can + * emulate the texture repeat modes. + * + * Cogl doesn't aim to pretend that meta-textures are just like real + * textures because it would get extremely complex to try and emulate + * low-level GPU semantics transparently for these textures. The low + * level drawing APIs of Cogl, such as cogl_primitive_draw() don't + * actually know anything about the #CoglMetaTexture interface and its + * the developer's responsibility to resolve all textures referenced + * by a #CoglPipeline to low-level textures before drawing. + * + * If you want to develop custom primitive APIs like + * cogl_framebuffer_draw_rectangle() and you want to support drawing + * with #CoglAtlasTextures or #CoglSubTextures for + * example, then you will need to use this #CoglMetaTexture interface + * to be able to resolve high-level textures into low-level textures + * before drawing with Cogl's low-level drawing APIs such as + * cogl_primitive_draw(). + * + * Most developers won't need to use this interface directly + * but still it is worth understanding the distinction between + * low-level and meta textures because you may find other references + * in the documentation that detail limitations of using + * meta-textures. + */ + +#ifdef __COGL_H_INSIDE__ +/* For the public C api we typedef interface types as void to avoid needing + * lots of casting in code and instead we will rely on runtime type checking + * for these objects. */ +typedef void CoglMetaTexture; +#else +typedef struct _CoglMetaTexture CoglMetaTexture; +#define COGL_META_TEXTURE(X) ((CoglMetaTexture *)X) +#endif + +/** + * CoglMetaTextureCallback: + * @sub_texture: A low-level #CoglTexture making up part of a + * #CoglMetaTexture. + * @sub_texture_coords: A float 4-tuple ordered like + * (tx1,ty1,tx2,ty2) defining what region of the + * current @sub_texture maps to a sub-region of a + * #CoglMetaTexture. (tx1,ty1) is the top-left + * sub-region coordinate and (tx2,ty2) is the + * bottom-right. These are low-level texture + * coordinates. + * @meta_coords: A float 4-tuple ordered like (tx1,ty1,tx2,ty2) + * defining what sub-region of a #CoglMetaTexture this + * low-level @sub_texture maps too. (tx1,ty1) is + * the top-left sub-region coordinate and (tx2,ty2) is + * the bottom-right. These are high-level meta-texture + * coordinates. + * @user_data: A private pointer passed to + * cogl_meta_texture_foreach_in_region(). + * + * A callback used with cogl_meta_texture_foreach_in_region() to + * retrieve details of all the low-level #CoglTextures that + * make up a given #CoglMetaTexture. + * + * Since: 1.10 + * Stability: unstable + */ +typedef void (*CoglMetaTextureCallback) (CoglTexture *sub_texture, + const float *sub_texture_coords, + const float *meta_coords, + void *user_data); + +/** + * cogl_meta_texture_foreach_in_region: + * @meta_texture: An object implementing the #CoglMetaTexture + * interface. + * @tx_1: The top-left x coordinate of the region to iterate + * @ty_1: The top-left y coordinate of the region to iterate + * @tx_2: The bottom-right x coordinate of the region to iterate + * @ty_2: The bottom-right y coordinate of the region to iterate + * @wrap_s: The wrap mode for the x-axis + * @wrap_t: The wrap mode for the y-axis + * @callback: A #CoglMetaTextureCallback pointer to be called + * for each low-level texture within the specified region. + * @user_data: A private pointer that is passed to @callback. + * + * Allows you to manually iterate the low-level textures that define a + * given region of a high-level #CoglMetaTexture. + * + * For example cogl_texture_2d_sliced_new_with_size() can be used to + * create a meta texture that may slice a large image into multiple, + * smaller power-of-two sized textures. These high level textures are + * not directly understood by a GPU and so this API must be used to + * manually resolve the underlying textures for drawing. + * + * All high level textures (#CoglAtlasTexture, #CoglSubTexture, + * #CoglTexturePixmapX11, and #CoglTexture2DSliced) can be handled + * consistently using this interface which greately simplifies + * implementing primitives that support all texture types. + * + * For example if you use the cogl_rectangle() API then Cogl will + * internally use this API to resolve the low level textures of any + * meta textures you have associated with CoglPipeline layers. + * + * The low level drawing APIs such as cogl_primitive_draw() + * don't understand the #CoglMetaTexture interface and so it is your + * responsibility to use this API to resolve all CoglPipeline textures + * into low-level textures before drawing. + * + * For each low-level texture that makes up part of the given region + * of the @meta_texture, @callback is called specifying how the + * low-level texture maps to the original region. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_meta_texture_foreach_in_region (CoglMetaTexture *meta_texture, + float tx_1, + float ty_1, + float tx_2, + float ty_2, + CoglPipelineWrapMode wrap_s, + CoglPipelineWrapMode wrap_t, + CoglMetaTextureCallback callback, + void *user_data); + +COGL_END_DECLS + +#endif /* __COGL_META_TEXTURE_H__ */ diff --git a/cogl/cogl-node-private.h b/cogl/cogl-node-private.h new file mode 100644 index 0000000..8fe2477 --- /dev/null +++ b/cogl/cogl-node-private.h @@ -0,0 +1,89 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_NODE_PRIVATE_H +#define __COGL_NODE_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-list.h" + +typedef struct _CoglNode CoglNode; + +/* Pipelines and layers represent their state in a tree structure where + * some of the state relating to a given pipeline or layer may actually + * be owned by one if is ancestors in the tree. We have a common data + * type to track the tree heirachy so we can share code... */ +struct _CoglNode +{ + /* the parent in terms of class hierarchy, so anything inheriting + * from CoglNode also inherits from CoglObject. */ + CoglObject _parent; + + /* The parent pipeline/layer */ + CoglNode *parent; + + /* The list entry here contains pointers to the node's siblings */ + CoglList link; + + /* List of children */ + CoglList children; + + /* TRUE if the node took a strong reference on its parent. Weak + * pipelines for instance don't take a reference on their parent. */ + CoglBool has_parent_reference; +}; + +#define COGL_NODE(X) ((CoglNode *)(X)) + +void +_cogl_pipeline_node_init (CoglNode *node); + +typedef void (*CoglNodeUnparentVFunc) (CoglNode *node); + +void +_cogl_pipeline_node_set_parent_real (CoglNode *node, + CoglNode *parent, + CoglNodeUnparentVFunc unparent, + CoglBool take_strong_reference); + +void +_cogl_pipeline_node_unparent_real (CoglNode *node); + +typedef CoglBool (*CoglNodeChildCallback) (CoglNode *child, void *user_data); + +void +_cogl_pipeline_node_foreach_child (CoglNode *node, + CoglNodeChildCallback callback, + void *user_data); + +#endif /* __COGL_NODE_PRIVATE_H */ diff --git a/cogl/cogl-node.c b/cogl/cogl-node.c new file mode 100644 index 0000000..60d3e73 --- /dev/null +++ b/cogl/cogl-node.c @@ -0,0 +1,110 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-node-private.h" + +void +_cogl_pipeline_node_init (CoglNode *node) +{ + node->parent = NULL; + _cogl_list_init (&node->children); +} + +void +_cogl_pipeline_node_set_parent_real (CoglNode *node, + CoglNode *parent, + CoglNodeUnparentVFunc unparent, + CoglBool take_strong_reference) +{ + /* NB: the old parent may indirectly be keeping the new parent alive + * so we have to ref the new parent before unrefing the old. + * + * Note: we take a reference here regardless of + * take_strong_reference because weak children may need special + * handling when the parent disposes itself which relies on a + * consistent link to all weak nodes. Once the node is linked to its + * parent then we remove the reference at the end if + * take_strong_reference == FALSE. */ + cogl_object_ref (parent); + + if (node->parent) + unparent (node); + + _cogl_list_insert (&parent->children, &node->link); + + node->parent = parent; + node->has_parent_reference = take_strong_reference; + + /* Now that there is a consistent parent->child link we can remove + * the parent reference if no reference was requested. If it turns + * out that the new parent was only being kept alive by the old + * parent then it will be disposed of here. */ + if (!take_strong_reference) + cogl_object_unref (parent); +} + +void +_cogl_pipeline_node_unparent_real (CoglNode *node) +{ + CoglNode *parent = node->parent; + + if (parent == NULL) + return; + + _COGL_RETURN_IF_FAIL (!_cogl_list_empty (&parent->children)); + + _cogl_list_remove (&node->link); + + if (node->has_parent_reference) + cogl_object_unref (parent); + + node->parent = NULL; +} + +void +_cogl_pipeline_node_foreach_child (CoglNode *node, + CoglNodeChildCallback callback, + void *user_data) +{ + CoglNode *child, *next; + + _cogl_list_for_each_safe (child, next, &node->children, link) + callback (child, user_data); +} + + diff --git a/cogl/cogl-object-private.h b/cogl/cogl-object-private.h new file mode 100644 index 0000000..7955a35 --- /dev/null +++ b/cogl/cogl-object-private.h @@ -0,0 +1,323 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_OBJECT_PRIVATE_H +#define __COGL_OBJECT_PRIVATE_H + +#include + +#include "cogl-types.h" +#include "cogl-object.h" +#include "cogl-debug.h" + +/* For compatability until all components have been converted */ +typedef struct _CoglObjectClass CoglHandleClass; +typedef struct _CoglObject CoglHandleObject; + +/* XXX: sadly we didn't fully consider when we copied the cairo API + * for _set_user_data that the callback doesn't get a pointer to the + * instance which is desired in most cases. This means you tend to end + * up creating micro allocations for the private data just so you can + * pair up the data of interest with the original instance for + * identification when it is later destroyed. + * + * Internally we use a small hack to avoid needing these micro + * allocations by actually passing the instance as a second argument + * to the callback */ +typedef void (*CoglUserDataDestroyInternalCallback) (void *user_data, + void *instance); + +typedef struct _CoglObjectClass +{ +#ifdef COGL_HAS_GTYPE_SUPPORT + GTypeClass base_class; +#endif + const char *name; + void *virt_free; + void *virt_unref; +} CoglObjectClass; + +#define COGL_OBJECT_N_PRE_ALLOCATED_USER_DATA_ENTRIES 2 + +typedef struct +{ + CoglUserDataKey *key; + void *user_data; + CoglUserDataDestroyInternalCallback destroy; +} CoglUserDataEntry; + +/* All Cogl objects inherit from this base object by adding a member: + * + * CoglObject _parent; + * + * at the top of its main structure. This structure is initialized + * when you call _cogl_#type_name#_object_new (new_object); + */ +struct _CoglObject +{ + CoglObjectClass *klass; /* equivalent to GTypeInstance */ + + CoglUserDataEntry user_data_entry[ + COGL_OBJECT_N_PRE_ALLOCATED_USER_DATA_ENTRIES]; + GArray *user_data_array; + int n_user_data_entries; + + unsigned int ref_count; +}; + +/* Helper macro to encapsulate the common code for COGL reference + counted objects */ + +#ifdef COGL_OBJECT_DEBUG + +#define _COGL_OBJECT_DEBUG_NEW(type_name, obj) \ + COGL_NOTE (OBJECT, "COGL " G_STRINGIFY (type_name) " NEW %p %i", \ + (obj), (obj)->ref_count) + +#define _COGL_OBJECT_DEBUG_REF(type_name, object) G_STMT_START { \ + CoglObject *__obj = (CoglObject *)object; \ + COGL_NOTE (OBJECT, "COGL %s REF %p %i", \ + (__obj)->klass->name, \ + (__obj), (__obj)->ref_count); } G_STMT_END + +#define _COGL_OBJECT_DEBUG_UNREF(type_name, object) G_STMT_START { \ + CoglObject *__obj = (CoglObject *)object; \ + COGL_NOTE (OBJECT, "COGL %s UNREF %p %i", \ + (__obj)->klass->name, \ + (__obj), (__obj)->ref_count - 1); } G_STMT_END + +#define COGL_OBJECT_DEBUG_FREE(obj) \ + COGL_NOTE (OBJECT, "COGL %s FREE %p", \ + (obj)->klass->name, (obj)) + +#else /* !COGL_OBJECT_DEBUG */ + +#define _COGL_OBJECT_DEBUG_NEW(type_name, obj) +#define _COGL_OBJECT_DEBUG_REF(type_name, obj) +#define _COGL_OBJECT_DEBUG_UNREF(type_name, obj) +#define COGL_OBJECT_DEBUG_FREE(obj) + +#endif /* COGL_OBJECT_DEBUG */ + +#ifdef COGL_HAS_GTYPE_SUPPORT +#define _COGL_GTYPE_INIT_CLASS(type_name) do { \ + _cogl_##type_name##_class.base_class.g_type = cogl_##type_name##_get_gtype (); \ +} while (0) +#else +#define _COGL_GTYPE_INIT_CLASS(type_name) +#endif + +#define COGL_OBJECT_COMMON_DEFINE_WITH_CODE(TypeName, type_name, code) \ + \ +CoglObjectClass _cogl_##type_name##_class; \ +static unsigned long _cogl_object_##type_name##_count; \ + \ +static inline void \ +_cogl_object_##type_name##_inc (void) \ +{ \ + _cogl_object_##type_name##_count++; \ +} \ + \ +static inline void \ +_cogl_object_##type_name##_dec (void) \ +{ \ + _cogl_object_##type_name##_count--; \ +} \ + \ +static void \ +_cogl_object_##type_name##_indirect_free (CoglObject *obj) \ +{ \ + _cogl_##type_name##_free ((Cogl##TypeName *) obj); \ + _cogl_object_##type_name##_dec (); \ +} \ + \ +static void \ +_cogl_object_##type_name##_class_init (void) \ +{ \ + _cogl_object_##type_name##_count = 0; \ + \ + if (_cogl_debug_instances == NULL) \ + _cogl_debug_instances = \ + g_hash_table_new (g_str_hash, g_str_equal); \ + \ + _cogl_##type_name##_class.virt_free = \ + _cogl_object_##type_name##_indirect_free; \ + _cogl_##type_name##_class.virt_unref = \ + _cogl_object_default_unref; \ + _cogl_##type_name##_class.name = "Cogl"#TypeName; \ + \ + g_hash_table_insert (_cogl_debug_instances, \ + (void *) _cogl_##type_name##_class.name, \ + &_cogl_object_##type_name##_count); \ + \ + { code; } \ +} \ + \ +static Cogl##TypeName * \ +_cogl_##type_name##_object_new (Cogl##TypeName *new_obj) \ +{ \ + CoglObject *obj = (CoglObject *)&new_obj->_parent; \ + obj->ref_count = 0; \ + cogl_object_ref (obj); \ + obj->n_user_data_entries = 0; \ + obj->user_data_array = NULL; \ + \ + obj->klass = &_cogl_##type_name##_class; \ + if (!obj->klass->virt_free) \ + { \ + _cogl_object_##type_name##_class_init (); \ + } \ + \ + _cogl_object_##type_name##_inc (); \ + _COGL_OBJECT_DEBUG_NEW (TypeName, obj); \ + return new_obj; \ +} + +#define COGL_OBJECT_DEFINE_WITH_CODE_GTYPE(TypeName, type_name, code) \ + \ +COGL_OBJECT_COMMON_DEFINE_WITH_CODE(TypeName, \ + type_name, \ + do { code; } while (0); \ + _COGL_GTYPE_INIT_CLASS (type_name)) \ + \ +CoglBool \ +cogl_is_##type_name (void *object) \ +{ \ + CoglObject *obj = object; \ + \ + if (object == NULL) \ + return FALSE; \ + \ + return obj->klass == &_cogl_##type_name##_class; \ +} + +#define COGL_OBJECT_DEFINE_WITH_CODE(TypeName, type_name, code) \ + \ +COGL_OBJECT_COMMON_DEFINE_WITH_CODE(TypeName, type_name, code) \ + \ +CoglBool \ +cogl_is_##type_name (void *object) \ +{ \ + CoglObject *obj = object; \ + \ + if (object == NULL) \ + return FALSE; \ + \ + return obj->klass == &_cogl_##type_name##_class; \ +} + +#define COGL_OBJECT_INTERNAL_DEFINE_WITH_CODE(TypeName, type_name, code) \ + \ +COGL_OBJECT_COMMON_DEFINE_WITH_CODE(TypeName, type_name, code) \ + \ +CoglBool \ +_cogl_is_##type_name (void *object) \ +{ \ + CoglObject *obj = object; \ + \ + if (object == NULL) \ + return FALSE; \ + \ + return obj->klass == &_cogl_##type_name##_class; \ +} + +#define COGL_OBJECT_DEFINE_DEPRECATED_REF_COUNTING(type_name) \ + \ +void * G_GNUC_DEPRECATED \ +cogl_##type_name##_ref (void *object) \ +{ \ + if (!cogl_is_##type_name (object)) \ + return NULL; \ + \ + _COGL_OBJECT_DEBUG_REF (TypeName, object); \ + \ + cogl_handle_ref (object); \ + \ + return object; \ +} \ + \ +void G_GNUC_DEPRECATED \ +cogl_##type_name##_unref (void *object) \ +{ \ + if (!cogl_is_##type_name (object)) \ + { \ + g_warning (G_STRINGIFY (cogl_##type_name##_unref) \ + ": Ignoring unref of Cogl handle " \ + "due to type mismatch"); \ + return; \ + } \ + \ + _COGL_OBJECT_DEBUG_UNREF (TypeName, object); \ + \ + cogl_handle_unref (object); \ +} + +#define COGL_OBJECT_DEFINE(TypeName, type_name) \ + COGL_OBJECT_DEFINE_WITH_CODE_GTYPE (TypeName, type_name, (void) 0) + +#define COGL_OBJECT_INTERNAL_DEFINE(TypeName, type_name) \ + COGL_OBJECT_INTERNAL_DEFINE_WITH_CODE (TypeName, type_name, (void) 0) + +/* For temporary compatability */ +#define COGL_HANDLE_INTERNAL_DEFINE_WITH_CODE(TypeName, type_name, code) \ + \ +COGL_OBJECT_INTERNAL_DEFINE_WITH_CODE (TypeName, type_name, code) \ + \ +static Cogl##TypeName * \ +_cogl_##type_name##_handle_new (CoglHandle handle) \ +{ \ + return _cogl_##type_name##_object_new (handle); \ +} + +#define COGL_HANDLE_DEFINE_WITH_CODE(TypeName, type_name, code) \ + \ +COGL_OBJECT_DEFINE_WITH_CODE (TypeName, type_name, code) \ + \ +static Cogl##TypeName * \ +_cogl_##type_name##_handle_new (CoglHandle handle) \ +{ \ + return _cogl_##type_name##_object_new (handle); \ +} + +#define COGL_HANDLE_DEFINE(TypeName, type_name) \ + COGL_HANDLE_DEFINE_WITH_CODE (TypeName, type_name, (void) 0) + +void +_cogl_object_set_user_data (CoglObject *object, + CoglUserDataKey *key, + void *user_data, + CoglUserDataDestroyInternalCallback destroy); + +void +_cogl_object_default_unref (void *obj); + +#endif /* __COGL_OBJECT_PRIVATE_H */ + diff --git a/cogl/cogl-object.c b/cogl/cogl-object.c new file mode 100644 index 0000000..452f625 --- /dev/null +++ b/cogl/cogl-object.c @@ -0,0 +1,304 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include "cogl-util.h" +#include "cogl-types.h" +#include "cogl-object-private.h" +#include "cogl-gtype-private.h" + +COGL_GTYPE_DEFINE_BASE_CLASS (Object, object); + +void * +cogl_object_ref (void *object) +{ + CoglObject *obj = object; + + _COGL_RETURN_VAL_IF_FAIL (object != NULL, NULL); + + obj->ref_count++; + return object; +} + +CoglHandle +cogl_handle_ref (CoglHandle handle) +{ + return cogl_object_ref (handle); +} + +void +_cogl_object_default_unref (void *object) +{ + CoglObject *obj = object; + + _COGL_RETURN_IF_FAIL (object != NULL); + _COGL_RETURN_IF_FAIL (obj->ref_count > 0); + + if (--obj->ref_count < 1) + { + void (*free_func)(void *obj); + + if (obj->n_user_data_entries) + { + int i; + int count = MIN (obj->n_user_data_entries, + COGL_OBJECT_N_PRE_ALLOCATED_USER_DATA_ENTRIES); + + for (i = 0; i < count; i++) + { + CoglUserDataEntry *entry = &obj->user_data_entry[i]; + if (entry->destroy) + entry->destroy (entry->user_data, obj); + } + + if (obj->user_data_array != NULL) + { + for (i = 0; i < obj->user_data_array->len; i++) + { + CoglUserDataEntry *entry = + &g_array_index (obj->user_data_array, + CoglUserDataEntry, i); + + if (entry->destroy) + entry->destroy (entry->user_data, obj); + } + g_array_free (obj->user_data_array, TRUE); + } + } + + COGL_OBJECT_DEBUG_FREE (obj); + free_func = obj->klass->virt_free; + free_func (obj); + } +} + +void +cogl_object_unref (void *obj) +{ + void (* unref_func) (void *) = ((CoglObject *) obj)->klass->virt_unref; + unref_func (obj); +} + +void +cogl_handle_unref (CoglHandle handle) +{ + cogl_object_unref (handle); +} + +GType +cogl_handle_get_type (void) +{ + static GType our_type = 0; + + /* XXX: We are keeping the "CoglHandle" name for now incase it would + * break bindings to change to "CoglObject" */ + if (G_UNLIKELY (our_type == 0)) + our_type = g_boxed_type_register_static (g_intern_static_string ("CoglHandle"), + (GBoxedCopyFunc) cogl_object_ref, + (GBoxedFreeFunc) cogl_object_unref); + + return our_type; +} + +/* XXX: Unlike for cogl_object_get_user_data this code will return + * an empty entry if available and no entry for the given key can be + * found. */ +static CoglUserDataEntry * +_cogl_object_find_entry (CoglObject *object, CoglUserDataKey *key) +{ + CoglUserDataEntry *entry = NULL; + int count; + int i; + + count = MIN (object->n_user_data_entries, + COGL_OBJECT_N_PRE_ALLOCATED_USER_DATA_ENTRIES); + + for (i = 0; i < count; i++) + { + CoglUserDataEntry *current = &object->user_data_entry[i]; + if (current->key == key) + return current; + if (current->user_data == NULL) + entry = current; + } + + if (G_UNLIKELY (object->user_data_array != NULL)) + { + for (i = 0; i < object->user_data_array->len; i++) + { + CoglUserDataEntry *current = + &g_array_index (object->user_data_array, CoglUserDataEntry, i); + + if (current->key == key) + return current; + if (current->user_data == NULL) + entry = current; + } + } + + return entry; +} + +void +_cogl_object_set_user_data (CoglObject *object, + CoglUserDataKey *key, + void *user_data, + CoglUserDataDestroyInternalCallback destroy) +{ + CoglUserDataEntry new_entry; + CoglUserDataEntry *entry; + + if (user_data) + { + new_entry.key = key; + new_entry.user_data = user_data; + new_entry.destroy = destroy; + } + else + memset (&new_entry, 0, sizeof (new_entry)); + + entry = _cogl_object_find_entry (object, key); + if (entry) + { + if (G_LIKELY (entry->destroy)) + entry->destroy (entry->user_data, object); + } + else + { + /* NB: Setting a value of NULL is documented to delete the + * corresponding entry so we can return immediately in this + * case. */ + if (user_data == NULL) + return; + + if (G_LIKELY (object->n_user_data_entries < + COGL_OBJECT_N_PRE_ALLOCATED_USER_DATA_ENTRIES)) + entry = &object->user_data_entry[object->n_user_data_entries++]; + else + { + if (G_UNLIKELY (object->user_data_array == NULL)) + { + object->user_data_array = + g_array_new (FALSE, FALSE, sizeof (CoglUserDataEntry)); + } + + g_array_set_size (object->user_data_array, + object->user_data_array->len + 1); + entry = + &g_array_index (object->user_data_array, CoglUserDataEntry, + object->user_data_array->len - 1); + + object->n_user_data_entries++; + } + } + + *entry = new_entry; +} + +void +cogl_object_set_user_data (CoglObject *object, + CoglUserDataKey *key, + void *user_data, + CoglUserDataDestroyCallback destroy) +{ + _cogl_object_set_user_data (object, key, user_data, + (CoglUserDataDestroyInternalCallback)destroy); +} + +void * +cogl_object_get_user_data (CoglObject *object, CoglUserDataKey *key) +{ + int count; + int i; + + count = MIN (object->n_user_data_entries, + COGL_OBJECT_N_PRE_ALLOCATED_USER_DATA_ENTRIES); + + for (i = 0; i < count; i++) + { + CoglUserDataEntry *entry = &object->user_data_entry[i]; + if (entry->key == key) + return entry->user_data; + } + + if (object->user_data_array != NULL) + { + for (i = 0; i < object->user_data_array->len; i++) + { + CoglUserDataEntry *entry = + &g_array_index (object->user_data_array, CoglUserDataEntry, i); + + if (entry->key == key) + return entry->user_data; + } + } + + return NULL; +} + +void +cogl_debug_object_foreach_type (CoglDebugObjectForeachTypeCallback func, + void *user_data) +{ + GHashTableIter iter; + unsigned long *instance_count; + CoglDebugObjectTypeInfo info; + + g_hash_table_iter_init (&iter, _cogl_debug_instances); + while (g_hash_table_iter_next (&iter, + (void *) &info.name, + (void *) &instance_count)) + { + info.instance_count = *instance_count; + func (&info, user_data); + } +} + +static void +print_instances_cb (const CoglDebugObjectTypeInfo *info, + void *user_data) +{ + g_print ("\t%s: %lu\n", info->name, info->instance_count); +} + +void +cogl_debug_object_print_instances (void) +{ + g_print ("Cogl instances:\n"); + + cogl_debug_object_foreach_type (print_instances_cb, NULL); +} diff --git a/cogl/cogl-object.h b/cogl/cogl-object.h new file mode 100644 index 0000000..a0bed88 --- /dev/null +++ b/cogl/cogl-object.h @@ -0,0 +1,251 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_OBJECT_H +#define __COGL_OBJECT_H + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +typedef struct _CoglObject CoglObject; + +#define COGL_OBJECT(X) ((CoglObject *)X) + +/** + * CoglObject: + * + * Ref Func: cogl_object_ref + * Unref Func: cogl_object_unref + * Set Value Func: cogl_object_value_set_object + * Get Value Func: cogl_object_value_get_object + */ + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_object_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_object_get_gtype (void); +#endif + +/** + * cogl_object_ref: (skip) + * @object: a #CoglObject + * + * Increases the reference count of @object by 1 + * + * Returns: the @object, with its reference count increased + */ +void * +cogl_object_ref (void *object); + +/** + * cogl_object_unref: (skip) + * @object: a #CoglObject + * + * Drecreases the reference count of @object by 1; if the reference + * count reaches 0, the resources allocated by @object will be freed + */ +void +cogl_object_unref (void *object); + +/** + * CoglUserDataKey: + * @unused: ignored. + * + * A #CoglUserDataKey is used to declare a key for attaching data to a + * #CoglObject using cogl_object_set_user_data. The typedef only exists as a + * formality to make code self documenting since only the unique address of a + * #CoglUserDataKey is used. + * + * Typically you would declare a static #CoglUserDataKey and set private data + * on an object something like this: + * + * |[ + * static CoglUserDataKey path_private_key; + * + * static void + * destroy_path_private_cb (void *data) + * { + * g_free (data); + * } + * + * static void + * my_path_set_data (CoglPath *path, void *data) + * { + * cogl_object_set_user_data (COGL_OBJECT (path), + * &private_key, + * data, + * destroy_path_private_cb); + * } + * ]| + * + * Since: 1.4 + */ +typedef struct { + int unused; +} CoglUserDataKey; + +/** + * CoglUserDataDestroyCallback: + * @user_data: The data whos association with a #CoglObject has been + * destoyed. + * + * When associating private data with a #CoglObject a callback can be + * given which will be called either if the object is destroyed or if + * cogl_object_set_user_data() is called with NULL user_data for the + * same key. + * + * Since: 1.4 + */ +#ifdef COGL_HAS_GTYPE_SUPPORT +typedef GDestroyNotify CoglUserDataDestroyCallback; +#else +typedef void (*CoglUserDataDestroyCallback) (void *user_data); +#endif + +/** + * CoglDebugObjectTypeInfo: + * @name: A human readable name for the type. + * @instance_count: The number of objects of this type that are + * currently in use + * + * This struct is used to pass information to the callback when + * cogl_debug_object_foreach_type() is called. + * + * Since: 1.8 + * Stability: unstable + */ +typedef struct { + const char *name; + unsigned long instance_count; +} CoglDebugObjectTypeInfo; + +/** + * CoglDebugObjectForeachTypeCallback: + * @info: A pointer to a struct containing information about the type. + * + * A callback function to use for cogl_debug_object_foreach_type(). + * + * Since: 1.8 + * Stability: unstable + */ +typedef void +(* CoglDebugObjectForeachTypeCallback) (const CoglDebugObjectTypeInfo *info, + void *user_data); + +/** + * cogl_object_set_user_data: (skip) + * @object: The object to associate private data with + * @key: The address of a #CoglUserDataKey which provides a unique value + * with which to index the private data. + * @user_data: The data to associate with the given object, + * or %NULL to remove a previous association. + * @destroy: A #CoglUserDataDestroyCallback to call if the object is + * destroyed or if the association is removed by later setting + * %NULL data for the same key. + * + * Associates some private @user_data with a given #CoglObject. To + * later remove the association call cogl_object_set_user_data() with + * the same @key but NULL for the @user_data. + * + * Since: 1.4 + */ +void +cogl_object_set_user_data (CoglObject *object, + CoglUserDataKey *key, + void *user_data, + CoglUserDataDestroyCallback destroy); + +/** + * cogl_object_get_user_data: (skip) + * @object: The object with associated private data to query + * @key: The address of a #CoglUserDataKey which provides a unique value + * with which to index the private data. + * + * Finds the user data previously associated with @object using + * the given @key. If no user data has been associated with @object + * for the given @key this function returns NULL. + * + * Returns: (transfer none): The user data previously associated + * with @object using the given @key; or %NULL if no associated + * data is found. + * + * Since: 1.4 + */ +void * +cogl_object_get_user_data (CoglObject *object, + CoglUserDataKey *key); + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +/** + * cogl_debug_object_foreach_type: + * @func: (scope call): A callback function for each type + * @user_data: (closure): A pointer to pass to @func + * + * Invokes @func once for each type of object that Cogl uses and + * passes a count of the number of objects for that type. This is + * intended to be used solely for debugging purposes to track down + * issues with objects leaking. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_debug_object_foreach_type (CoglDebugObjectForeachTypeCallback func, + void *user_data); + +/** + * cogl_debug_object_print_instances: + * + * Prints a list of all the object types that Cogl uses along with the + * number of objects of that type that are currently in use. This is + * intended to be used solely for debugging purposes to track down + * issues with objects leaking. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_debug_object_print_instances (void); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +COGL_END_DECLS + +#endif /* __COGL_OBJECT_H */ + diff --git a/cogl/cogl-offscreen.h b/cogl/cogl-offscreen.h new file mode 100644 index 0000000..9c84442 --- /dev/null +++ b/cogl/cogl-offscreen.h @@ -0,0 +1,172 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_OFFSCREEN_H__ +#define __COGL_OFFSCREEN_H__ + +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-offscreen + * @short_description: Functions for creating and manipulating offscreen + * framebuffers. + * + * Cogl allows creating and operating on offscreen framebuffers. + */ + +typedef struct _CoglOffscreen CoglOffscreen; + +#define COGL_OFFSCREEN(X) ((CoglOffscreen *)X) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_offscreen_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_offscreen_get_gtype (void); +#endif + +/* Offscreen api */ + +/** + * cogl_offscreen_new_with_texture: + * @texture: A #CoglTexture pointer + * + * This creates an offscreen framebuffer object using the given + * @texture as the primary color buffer. It doesn't just initialize + * the contents of the offscreen buffer with the @texture; they are + * tightly bound so that drawing to the offscreen buffer effectively + * updates the contents of the given texture. You don't need to + * destroy the offscreen buffer before you can use the @texture again. + * + * This api only works with low-level #CoglTexture types such as + * #CoglTexture2D, #CoglTexture3D and #CoglTextureRectangle, and not + * with meta-texture types such as #CoglTexture2DSliced. + * + * The storage for the framebuffer is actually allocated lazily + * so this function will never return %NULL to indicate a runtime + * error. This means it is still possible to configure the framebuffer + * before it is really allocated. + * + * Simple applications without full error handling can simply rely on + * Cogl to lazily allocate the storage of framebuffers but you should + * be aware that if Cogl encounters an error (such as running out of + * GPU memory) then your application will simply abort with an error + * message. If you need to be able to catch such exceptions at runtime + * then you can explicitly allocate your framebuffer when you have + * finished configuring it by calling cogl_framebuffer_allocate() and + * passing in a #CoglError argument to catch any exceptions. + * + * Return value: (transfer full): a newly instantiated #CoglOffscreen + * framebuffer. + */ +CoglOffscreen * +cogl_offscreen_new_with_texture (CoglTexture *texture); + +/** + * cogl_offscreen_new_to_texture: + * @texture: A #CoglTexture pointer + * + * This creates an offscreen buffer object using the given @texture as the + * primary color buffer. It doesn't just initialize the contents of the + * offscreen buffer with the @texture; they are tightly bound so that + * drawing to the offscreen buffer effectivly updates the contents of the + * given texture. You don't need to destroy the offscreen buffer before + * you can use the @texture again. + * + * This only works with low-level #CoglTexture types such as + * #CoglTexture2D, #CoglTexture3D and #CoglTextureRectangle, and not + * with meta-texture types such as #CoglTexture2DSliced. + * + * Return value: (transfer full): a newly instantiated #CoglOffscreen + * framebuffer or %NULL if it wasn't possible to create the + * buffer. + * Deprecated: 1.16: Use cogl_offscreen_new_with_texture instead. + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_offscreen_new_with_texture) +CoglOffscreen * +cogl_offscreen_new_to_texture (CoglTexture *texture); + +/** + * cogl_is_offscreen: + * @object: A pointer to a #CoglObject + * + * Determines whether the given #CoglObject references an offscreen + * framebuffer object. + * + * Returns: %TRUE if @object is a #CoglOffscreen framebuffer, + * %FALSE otherwise + */ +CoglBool +cogl_is_offscreen (void *object); + +/** + * cogl_offscreen_ref: + * @offscreen: A pointer to a #CoglOffscreen framebuffer + * + * Increments the reference count on the @offscreen framebuffer. + * + * Return value: (transfer none): For convenience it returns the + * given @offscreen + * + * Deprecated: 1.2: cogl_object_ref() should be used in new code. + */ +COGL_DEPRECATED_FOR (cogl_object_ref) +void * +cogl_offscreen_ref (void *offscreen); + +/** + * cogl_offscreen_unref: + * @offscreen: A pointer to a #CoglOffscreen framebuffer + * + * Decreases the reference count for the @offscreen buffer and frees it when + * the count reaches 0. + * + * Deprecated: 1.2: cogl_object_unref() should be used in new code. + */ +COGL_DEPRECATED_FOR (cogl_object_unref) +void +cogl_offscreen_unref (void *offscreen); + +COGL_END_DECLS + +#endif /* __COGL_OFFSCREEN_H__ */ diff --git a/cogl/cogl-onscreen-private.h b/cogl/cogl-onscreen-private.h new file mode 100644 index 0000000..b30aeb9 --- /dev/null +++ b/cogl/cogl-onscreen-private.h @@ -0,0 +1,127 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_ONSCREEN_PRIVATE_H +#define __COGL_ONSCREEN_PRIVATE_H + +#include "cogl-onscreen.h" +#include "cogl-framebuffer-private.h" +#include "cogl-closure-list-private.h" +#include "cogl-list.h" + +#include + +#ifdef COGL_HAS_WIN32_SUPPORT +#include +#endif + +typedef struct _CoglOnscreenEvent +{ + CoglList link; + + CoglOnscreen *onscreen; + CoglFrameInfo *info; + CoglFrameEvent type; +} CoglOnscreenEvent; + +typedef struct _CoglOnscreenQueuedDirty +{ + CoglList link; + + CoglOnscreen *onscreen; + CoglOnscreenDirtyInfo info; +} CoglOnscreenQueuedDirty; + +struct _CoglOnscreen +{ + CoglFramebuffer _parent; + +#ifdef COGL_HAS_X11_SUPPORT + uint32_t foreign_xid; + CoglOnscreenX11MaskCallback foreign_update_mask_callback; + void *foreign_update_mask_data; +#endif + +#ifdef COGL_HAS_WIN32_SUPPORT + HWND foreign_hwnd; +#endif + +#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT + struct wl_surface *foreign_surface; +#endif + + CoglBool swap_throttled; + + CoglList frame_closures; + + CoglBool resizable; + CoglList resize_closures; + + CoglList dirty_closures; + + int64_t frame_counter; + int64_t swap_frame_counter; /* frame counter at last all to + * cogl_onscreen_swap_region() or + * cogl_onscreen_swap_buffers() */ + GQueue pending_frame_infos; + + void *winsys; +}; + +CoglOnscreen * +_cogl_onscreen_new (void); + +void +_cogl_framebuffer_winsys_update_size (CoglFramebuffer *framebuffer, + int width, int height); + +void +_cogl_onscreen_queue_event (CoglOnscreen *onscreen, + CoglFrameEvent type, + CoglFrameInfo *info); + +void +_cogl_onscreen_notify_frame_sync (CoglOnscreen *onscreen, CoglFrameInfo *info); + +void +_cogl_onscreen_notify_complete (CoglOnscreen *onscreen, CoglFrameInfo *info); + +void +_cogl_onscreen_notify_resize (CoglOnscreen *onscreen); + +void +_cogl_onscreen_queue_dirty (CoglOnscreen *onscreen, + const CoglOnscreenDirtyInfo *info); + + +void +_cogl_onscreen_queue_full_dirty (CoglOnscreen *onscreen); + +#endif /* __COGL_ONSCREEN_PRIVATE_H */ diff --git a/cogl/cogl-onscreen-template-private.h b/cogl/cogl-onscreen-template-private.h new file mode 100644 index 0000000..1b19d35 --- /dev/null +++ b/cogl/cogl-onscreen-template-private.h @@ -0,0 +1,45 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_ONSCREEN_TEMPLATE_PRIVATE_H +#define __COGL_ONSCREEN_TEMPLATE_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-swap-chain.h" +#include "cogl-framebuffer-private.h" + +struct _CoglOnscreenTemplate +{ + CoglObject _parent; + + CoglFramebufferConfig config; +}; + +#endif /* __COGL_ONSCREEN_TEMPLATE_PRIVATE_H */ diff --git a/cogl/cogl-onscreen-template.c b/cogl/cogl-onscreen-template.c new file mode 100644 index 0000000..5a5e54c --- /dev/null +++ b/cogl/cogl-onscreen-template.c @@ -0,0 +1,97 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-object.h" + +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-gtype-private.h" + +#include + +static void _cogl_onscreen_template_free (CoglOnscreenTemplate *onscreen_template); + +COGL_OBJECT_DEFINE (OnscreenTemplate, onscreen_template); +COGL_GTYPE_DEFINE_CLASS (OnscreenTemplate, onscreen_template); + +static void +_cogl_onscreen_template_free (CoglOnscreenTemplate *onscreen_template) +{ + g_slice_free (CoglOnscreenTemplate, onscreen_template); +} + +CoglOnscreenTemplate * +cogl_onscreen_template_new (CoglSwapChain *swap_chain) +{ + CoglOnscreenTemplate *onscreen_template = g_slice_new0 (CoglOnscreenTemplate); + char *user_config; + + onscreen_template->config.swap_chain = swap_chain; + if (swap_chain) + cogl_object_ref (swap_chain); + else + onscreen_template->config.swap_chain = cogl_swap_chain_new (); + + onscreen_template->config.swap_throttled = TRUE; + onscreen_template->config.need_stencil = TRUE; + onscreen_template->config.samples_per_pixel = 0; + + user_config = getenv ("COGL_POINT_SAMPLES_PER_PIXEL"); + if (user_config) + { + unsigned long samples_per_pixel = strtoul (user_config, NULL, 10); + if (samples_per_pixel != ULONG_MAX) + onscreen_template->config.samples_per_pixel = + samples_per_pixel; + } + + return _cogl_onscreen_template_object_new (onscreen_template); +} + +void +cogl_onscreen_template_set_samples_per_pixel ( + CoglOnscreenTemplate *onscreen_template, + int samples_per_pixel) +{ + onscreen_template->config.samples_per_pixel = samples_per_pixel; +} + +void +cogl_onscreen_template_set_swap_throttled ( + CoglOnscreenTemplate *onscreen_template, + CoglBool throttled) +{ + onscreen_template->config.swap_throttled = throttled; +} diff --git a/cogl/cogl-onscreen-template.h b/cogl/cogl-onscreen-template.h new file mode 100644 index 0000000..cd1d853 --- /dev/null +++ b/cogl/cogl-onscreen-template.h @@ -0,0 +1,125 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_ONSCREEN_TEMPLATE_H__ +#define __COGL_ONSCREEN_TEMPLATE_H__ + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +typedef struct _CoglOnscreenTemplate CoglOnscreenTemplate; + +#define COGL_ONSCREEN_TEMPLATE(OBJECT) ((CoglOnscreenTemplate *)OBJECT) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_onscreen_template_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_onscreen_template_get_gtype (void); +#endif + +CoglOnscreenTemplate * +cogl_onscreen_template_new (CoglSwapChain *swap_chain); + +/** + * cogl_onscreen_template_set_samples_per_pixel: + * @onscreen_template: A #CoglOnscreenTemplate template framebuffer + * @n: The minimum number of samples per pixel + * + * Requires that any future CoglOnscreen framebuffers derived from + * this template must support making at least @n samples per pixel + * which will all contribute to the final resolved color for that + * pixel. + * + * By default this value is usually set to 0 and that is referred to + * as "single-sample" rendering. A value of 1 or greater is referred + * to as "multisample" rendering. + * + * There are some semantic differences between single-sample + * rendering and multisampling with just 1 point sample such as it + * being redundant to use the cogl_framebuffer_resolve_samples() and + * cogl_framebuffer_resolve_samples_region() apis with single-sample + * rendering. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_onscreen_template_set_samples_per_pixel ( + CoglOnscreenTemplate *onscreen_template, + int n); + +/** + * cogl_onscreen_template_set_swap_throttled: + * @onscreen_template: A #CoglOnscreenTemplate template framebuffer + * @throttled: Whether throttling should be enabled + * + * Requests that any future #CoglOnscreen framebuffers derived from this + * template should enable or disable swap throttling according to the given + * @throttled argument. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_onscreen_template_set_swap_throttled ( + CoglOnscreenTemplate *onscreen_template, + CoglBool throttled); + +/** + * cogl_is_onscreen_template: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a #CoglOnscreenTemplate. + * + * Return value: %TRUE if the object references a #CoglOnscreenTemplate + * and %FALSE otherwise. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_is_onscreen_template (void *object); + +COGL_END_DECLS + +#endif /* __COGL_ONSCREEN_TEMPLATE_H__ */ diff --git a/cogl/cogl-onscreen.c b/cogl/cogl-onscreen.c new file mode 100644 index 0000000..4768509 --- /dev/null +++ b/cogl/cogl-onscreen.c @@ -0,0 +1,746 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011, 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-onscreen-private.h" +#include "cogl-frame-info-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl1-context.h" +#include "cogl-closure-list-private.h" +#include "cogl-poll-private.h" +#include "cogl-gtype-private.h" + +static void _cogl_onscreen_free (CoglOnscreen *onscreen); + +COGL_OBJECT_DEFINE_WITH_CODE_GTYPE (Onscreen, onscreen, + _cogl_onscreen_class.virt_unref = + _cogl_framebuffer_unref); +COGL_GTYPE_DEFINE_CLASS (Onscreen, onscreen, + COGL_GTYPE_IMPLEMENT_INTERFACE (framebuffer)); + +static gpointer +cogl_dummy_copy (gpointer data) +{ + return data; +} + +static void +cogl_dummy_free (gpointer data) +{ +} + +COGL_GTYPE_DEFINE_BOXED (FrameClosure, frame_closure, + cogl_dummy_copy, + cogl_dummy_free); +COGL_GTYPE_DEFINE_BOXED (OnscreenResizeClosure, + onscreen_resize_closure, + cogl_dummy_copy, + cogl_dummy_free); +COGL_GTYPE_DEFINE_BOXED (OnscreenDirtyClosure, + onscreen_dirty_closure, + cogl_dummy_copy, + cogl_dummy_free); + +static void +_cogl_onscreen_init_from_template (CoglOnscreen *onscreen, + CoglOnscreenTemplate *onscreen_template) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + + _cogl_list_init (&onscreen->frame_closures); + _cogl_list_init (&onscreen->resize_closures); + _cogl_list_init (&onscreen->dirty_closures); + + framebuffer->config = onscreen_template->config; + cogl_object_ref (framebuffer->config.swap_chain); +} + +/* XXX: While we still have backend in Clutter we need a dummy object + * to represent the CoglOnscreen framebuffer that the backend + * creates... */ +CoglOnscreen * +_cogl_onscreen_new (void) +{ + CoglOnscreen *onscreen = g_new0 (CoglOnscreen, 1); + + _COGL_GET_CONTEXT (ctx, NULL); + + _cogl_framebuffer_init (COGL_FRAMEBUFFER (onscreen), + ctx, + COGL_FRAMEBUFFER_TYPE_ONSCREEN, + 0x1eadbeef, /* width */ + 0x1eadbeef); /* height */ + /* NB: make sure to pass positive width/height numbers here + * because otherwise we'll hit input validation assertions!*/ + + _cogl_onscreen_init_from_template (onscreen, ctx->display->onscreen_template); + + COGL_FRAMEBUFFER (onscreen)->allocated = TRUE; + + /* XXX: Note we don't initialize onscreen->winsys in this case. */ + + return _cogl_onscreen_object_new (onscreen); +} + +CoglOnscreen * +cogl_onscreen_new (CoglContext *ctx, int width, int height) +{ + CoglOnscreen *onscreen; + + /* FIXME: We are assuming onscreen buffers will always be + premultiplied so we'll set the premult flag on the bitmap + format. This will usually be correct because the result of the + default blending operations for Cogl ends up with premultiplied + data in the framebuffer. However it is possible for the + framebuffer to be in whatever format depending on what + CoglPipeline is used to render to it. Eventually we may want to + add a way for an application to inform Cogl that the framebuffer + is not premultiplied in case it is being used for some special + purpose. */ + + onscreen = g_new0 (CoglOnscreen, 1); + _cogl_framebuffer_init (COGL_FRAMEBUFFER (onscreen), + ctx, + COGL_FRAMEBUFFER_TYPE_ONSCREEN, + width, /* width */ + height); /* height */ + + _cogl_onscreen_init_from_template (onscreen, ctx->display->onscreen_template); + + return _cogl_onscreen_object_new (onscreen); +} + +static void +_cogl_onscreen_free (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + const CoglWinsysVtable *winsys = _cogl_framebuffer_get_winsys (framebuffer); + CoglFrameInfo *frame_info; + + _cogl_closure_list_disconnect_all (&onscreen->resize_closures); + _cogl_closure_list_disconnect_all (&onscreen->frame_closures); + _cogl_closure_list_disconnect_all (&onscreen->dirty_closures); + + while ((frame_info = g_queue_pop_tail (&onscreen->pending_frame_infos))) + cogl_object_unref (frame_info); + g_queue_clear (&onscreen->pending_frame_infos); + + if (framebuffer->context->window_buffer == COGL_FRAMEBUFFER (onscreen)) + framebuffer->context->window_buffer = NULL; + + winsys->onscreen_deinit (onscreen); + _COGL_RETURN_IF_FAIL (onscreen->winsys == NULL); + + /* Chain up to parent */ + _cogl_framebuffer_free (framebuffer); + + g_free (onscreen); +} + +static void +notify_event (CoglOnscreen *onscreen, + CoglFrameEvent event, + CoglFrameInfo *info) +{ + _cogl_closure_list_invoke (&onscreen->frame_closures, + CoglFrameCallback, + onscreen, event, info); +} + +static void +_cogl_dispatch_onscreen_cb (CoglContext *context) +{ + CoglOnscreenEvent *event, *tmp; + CoglList queue; + + /* Dispatching the event callback may cause another frame to be + * drawn which in may cause another event to be queued immediately. + * To make sure this loop will only dispatch one set of events we'll + * steal the queue and iterate that separately */ + _cogl_list_init (&queue); + _cogl_list_insert_list (&queue, &context->onscreen_events_queue); + _cogl_list_init (&context->onscreen_events_queue); + + _cogl_closure_disconnect (context->onscreen_dispatch_idle); + context->onscreen_dispatch_idle = NULL; + + _cogl_list_for_each_safe (event, tmp, &queue, link) + { + CoglOnscreen *onscreen = event->onscreen; + CoglFrameInfo *info = event->info; + + notify_event (onscreen, event->type, info); + + cogl_object_unref (onscreen); + cogl_object_unref (info); + + g_slice_free (CoglOnscreenEvent, event); + } + + while (!_cogl_list_empty (&context->onscreen_dirty_queue)) + { + CoglOnscreenQueuedDirty *qe = + _cogl_container_of (context->onscreen_dirty_queue.next, + CoglOnscreenQueuedDirty, + link); + + _cogl_list_remove (&qe->link); + + _cogl_closure_list_invoke (&qe->onscreen->dirty_closures, + CoglOnscreenDirtyCallback, + qe->onscreen, + &qe->info); + + cogl_object_unref (qe->onscreen); + + g_slice_free (CoglOnscreenQueuedDirty, qe); + } +} + +static void +_cogl_onscreen_queue_dispatch_idle (CoglOnscreen *onscreen) +{ + CoglContext *ctx = COGL_FRAMEBUFFER (onscreen)->context; + + if (!ctx->onscreen_dispatch_idle) + { + ctx->onscreen_dispatch_idle = + _cogl_poll_renderer_add_idle (ctx->display->renderer, + (CoglIdleCallback) + _cogl_dispatch_onscreen_cb, + ctx, + NULL); + } +} + +void +_cogl_onscreen_queue_dirty (CoglOnscreen *onscreen, + const CoglOnscreenDirtyInfo *info) +{ + CoglContext *ctx = COGL_FRAMEBUFFER (onscreen)->context; + CoglOnscreenQueuedDirty *qe = g_slice_new (CoglOnscreenQueuedDirty); + + qe->onscreen = cogl_object_ref (onscreen); + qe->info = *info; + _cogl_list_insert (ctx->onscreen_dirty_queue.prev, &qe->link); + + _cogl_onscreen_queue_dispatch_idle (onscreen); +} + +void +_cogl_onscreen_queue_full_dirty (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglOnscreenDirtyInfo info; + + info.x = 0; + info.y = 0; + info.width = framebuffer->width; + info.height = framebuffer->height; + + _cogl_onscreen_queue_dirty (onscreen, &info); +} + +void +_cogl_onscreen_queue_event (CoglOnscreen *onscreen, + CoglFrameEvent type, + CoglFrameInfo *info) +{ + CoglContext *ctx = COGL_FRAMEBUFFER (onscreen)->context; + + CoglOnscreenEvent *event = g_slice_new (CoglOnscreenEvent); + + event->onscreen = cogl_object_ref (onscreen); + event->info = cogl_object_ref (info); + event->type = type; + + _cogl_list_insert (ctx->onscreen_events_queue.prev, &event->link); + + _cogl_onscreen_queue_dispatch_idle (onscreen); +} + +void +cogl_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + const CoglWinsysVtable *winsys; + CoglFrameInfo *info; + + _COGL_RETURN_IF_FAIL (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN); + + info = _cogl_frame_info_new (); + info->frame_counter = onscreen->frame_counter; + g_queue_push_tail (&onscreen->pending_frame_infos, info); + + /* FIXME: we shouldn't need to flush *all* journals here! */ + cogl_flush (); + + winsys = _cogl_framebuffer_get_winsys (framebuffer); + winsys->onscreen_swap_buffers_with_damage (onscreen, + rectangles, n_rectangles); + cogl_framebuffer_discard_buffers (framebuffer, + COGL_BUFFER_BIT_COLOR | + COGL_BUFFER_BIT_DEPTH | + COGL_BUFFER_BIT_STENCIL); + + if (!_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT)) + { + CoglFrameInfo *info; + + g_warn_if_fail (onscreen->pending_frame_infos.length == 1); + + info = g_queue_pop_tail (&onscreen->pending_frame_infos); + + _cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_SYNC, info); + _cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_COMPLETE, info); + + cogl_object_unref (info); + } + + onscreen->frame_counter++; + framebuffer->mid_scene = FALSE; +} + +void +cogl_onscreen_swap_buffers (CoglOnscreen *onscreen) +{ + cogl_onscreen_swap_buffers_with_damage (onscreen, NULL, 0); +} + +void +cogl_onscreen_swap_region (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + const CoglWinsysVtable *winsys; + CoglFrameInfo *info; + + _COGL_RETURN_IF_FAIL (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN); + + info = _cogl_frame_info_new (); + info->frame_counter = onscreen->frame_counter; + g_queue_push_tail (&onscreen->pending_frame_infos, info); + + /* FIXME: we shouldn't need to flush *all* journals here! */ + cogl_flush (); + + winsys = _cogl_framebuffer_get_winsys (framebuffer); + + /* This should only be called if the winsys advertises + COGL_WINSYS_FEATURE_SWAP_REGION */ + _COGL_RETURN_IF_FAIL (winsys->onscreen_swap_region != NULL); + + winsys->onscreen_swap_region (COGL_ONSCREEN (framebuffer), + rectangles, + n_rectangles); + + cogl_framebuffer_discard_buffers (framebuffer, + COGL_BUFFER_BIT_COLOR | + COGL_BUFFER_BIT_DEPTH | + COGL_BUFFER_BIT_STENCIL); + + if (!_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT)) + { + CoglFrameInfo *info; + + g_warn_if_fail (onscreen->pending_frame_infos.length == 1); + + info = g_queue_pop_tail (&onscreen->pending_frame_infos); + + _cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_SYNC, info); + _cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_COMPLETE, info); + + cogl_object_unref (info); + } + + onscreen->frame_counter++; + framebuffer->mid_scene = FALSE; +} + +int +cogl_onscreen_get_buffer_age (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + const CoglWinsysVtable *winsys; + + _COGL_RETURN_VAL_IF_FAIL (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN, 0); + + winsys = _cogl_framebuffer_get_winsys (framebuffer); + + if (!winsys->onscreen_get_buffer_age) + return 0; + + return winsys->onscreen_get_buffer_age (onscreen); +} + +#ifdef COGL_HAS_X11_SUPPORT +void +cogl_x11_onscreen_set_foreign_window_xid (CoglOnscreen *onscreen, + uint32_t xid, + CoglOnscreenX11MaskCallback update, + void *user_data) +{ + /* We don't wan't applications to get away with being lazy here and not + * passing an update callback... */ + _COGL_RETURN_IF_FAIL (update); + + onscreen->foreign_xid = xid; + onscreen->foreign_update_mask_callback = update; + onscreen->foreign_update_mask_data = user_data; +} + +uint32_t +cogl_x11_onscreen_get_window_xid (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + + if (onscreen->foreign_xid) + return onscreen->foreign_xid; + else + { + const CoglWinsysVtable *winsys = _cogl_framebuffer_get_winsys (framebuffer); + + /* This should only be called for x11 onscreens */ + _COGL_RETURN_VAL_IF_FAIL (winsys->onscreen_x11_get_window_xid != NULL, 0); + + return winsys->onscreen_x11_get_window_xid (onscreen); + } +} + +uint32_t +cogl_x11_onscreen_get_visual_xid (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + const CoglWinsysVtable *winsys = _cogl_framebuffer_get_winsys (framebuffer); + XVisualInfo *visinfo; + uint32_t id; + + /* This should only be called for xlib based onscreens */ + _COGL_RETURN_VAL_IF_FAIL (winsys->xlib_get_visual_info != NULL, 0); + + visinfo = winsys->xlib_get_visual_info (); + id = (uint32_t)visinfo->visualid; + + XFree (visinfo); + return id; +} +#endif /* COGL_HAS_X11_SUPPORT */ + +#ifdef COGL_HAS_WIN32_SUPPORT + +void +cogl_win32_onscreen_set_foreign_window (CoglOnscreen *onscreen, + HWND hwnd) +{ + onscreen->foreign_hwnd = hwnd; +} + +HWND +cogl_win32_onscreen_get_window (CoglOnscreen *onscreen) +{ + if (onscreen->foreign_hwnd) + return onscreen->foreign_hwnd; + else + { + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + const CoglWinsysVtable *winsys = + _cogl_framebuffer_get_winsys (framebuffer); + + /* This should only be called for win32 onscreens */ + _COGL_RETURN_VAL_IF_FAIL (winsys->onscreen_win32_get_window != NULL, 0); + + return winsys->onscreen_win32_get_window (onscreen); + } +} + +#endif /* COGL_HAS_WIN32_SUPPORT */ + +CoglFrameClosure * +cogl_onscreen_add_frame_callback (CoglOnscreen *onscreen, + CoglFrameCallback callback, + void *user_data, + CoglUserDataDestroyCallback destroy) +{ + return _cogl_closure_list_add (&onscreen->frame_closures, + callback, + user_data, + destroy); +} + +void +cogl_onscreen_remove_frame_callback (CoglOnscreen *onscreen, + CoglFrameClosure *closure) +{ + _COGL_RETURN_IF_FAIL (closure); + + _cogl_closure_disconnect (closure); +} + +typedef struct _SwapBufferCallbackState +{ + CoglSwapBuffersNotify callback; + void *user_data; +} SwapBufferCallbackState; + +static void +destroy_swap_buffers_callback_state (void *user_data) +{ + g_slice_free (SwapBufferCallbackState, user_data); +} + +static void +shim_swap_buffers_callback (CoglOnscreen *onscreen, + CoglFrameEvent event, + CoglFrameInfo *info, + void *user_data) +{ + SwapBufferCallbackState *state = user_data; + + /* XXX: Note that technically it is a change in semantics for this + * interface to forward _SYNC events here and also makes the api + * name somewhat missleading. + * + * In practice though this interface is currently used by + * applications for throttling, not because they are strictly + * interested in knowing when a frame has been presented and so + * forwarding _SYNC events should serve them better. + */ + if (event == COGL_FRAME_EVENT_SYNC) + state->callback (COGL_FRAMEBUFFER (onscreen), state->user_data); +} + +unsigned int +cogl_onscreen_add_swap_buffers_callback (CoglOnscreen *onscreen, + CoglSwapBuffersNotify callback, + void *user_data) +{ + CoglContext *ctx = COGL_FRAMEBUFFER (onscreen)->context; + SwapBufferCallbackState *state = g_slice_new (SwapBufferCallbackState); + CoglFrameClosure *closure; + unsigned int id = ctx->next_swap_callback_id++; + + state->callback = callback; + state->user_data = user_data; + + closure = + cogl_onscreen_add_frame_callback (onscreen, + shim_swap_buffers_callback, + state, + destroy_swap_buffers_callback_state); + + g_hash_table_insert (ctx->swap_callback_closures, + GINT_TO_POINTER (id), + closure); + + return id; +} + +void +cogl_onscreen_remove_swap_buffers_callback (CoglOnscreen *onscreen, + unsigned int id) +{ + CoglContext *ctx = COGL_FRAMEBUFFER (onscreen)->context; + CoglFrameClosure *closure = g_hash_table_lookup (ctx->swap_callback_closures, + GINT_TO_POINTER (id)); + + _COGL_RETURN_IF_FAIL (closure); + + cogl_onscreen_remove_frame_callback (onscreen, closure); +} + +void +cogl_onscreen_set_swap_throttled (CoglOnscreen *onscreen, + CoglBool throttled) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + framebuffer->config.swap_throttled = throttled; + if (framebuffer->allocated) + { + const CoglWinsysVtable *winsys = + _cogl_framebuffer_get_winsys (framebuffer); + winsys->onscreen_update_swap_throttled (onscreen); + } +} + +void +cogl_onscreen_show (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + const CoglWinsysVtable *winsys; + + if (!framebuffer->allocated) + { + if (!cogl_framebuffer_allocate (framebuffer, NULL)) + return; + } + + winsys = _cogl_framebuffer_get_winsys (framebuffer); + if (winsys->onscreen_set_visibility) + winsys->onscreen_set_visibility (onscreen, TRUE); +} + +void +cogl_onscreen_hide (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + + if (framebuffer->allocated) + { + const CoglWinsysVtable *winsys = + _cogl_framebuffer_get_winsys (framebuffer); + if (winsys->onscreen_set_visibility) + winsys->onscreen_set_visibility (onscreen, FALSE); + } +} + +void +_cogl_onscreen_notify_frame_sync (CoglOnscreen *onscreen, CoglFrameInfo *info) +{ + notify_event (onscreen, COGL_FRAME_EVENT_SYNC, info); +} + +void +_cogl_onscreen_notify_complete (CoglOnscreen *onscreen, CoglFrameInfo *info) +{ + notify_event (onscreen, COGL_FRAME_EVENT_COMPLETE, info); +} + +void +_cogl_onscreen_notify_resize (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + + _cogl_closure_list_invoke (&onscreen->resize_closures, + CoglOnscreenResizeCallback, + onscreen, + framebuffer->width, + framebuffer->height); +} + +void +_cogl_framebuffer_winsys_update_size (CoglFramebuffer *framebuffer, + int width, int height) +{ + if (framebuffer->width == width && framebuffer->height == height) + return; + + framebuffer->width = width; + framebuffer->height = height; + + cogl_framebuffer_set_viewport (framebuffer, 0, 0, width, height); + + if (!_cogl_has_private_feature (framebuffer->context, + COGL_PRIVATE_FEATURE_DIRTY_EVENTS)) + _cogl_onscreen_queue_full_dirty (COGL_ONSCREEN (framebuffer)); +} + +void +cogl_onscreen_set_resizable (CoglOnscreen *onscreen, + CoglBool resizable) +{ + CoglFramebuffer *framebuffer; + const CoglWinsysVtable *winsys; + + if (onscreen->resizable == resizable) + return; + + onscreen->resizable = resizable; + + framebuffer = COGL_FRAMEBUFFER (onscreen); + if (framebuffer->allocated) + { + winsys = _cogl_framebuffer_get_winsys (COGL_FRAMEBUFFER (onscreen)); + + if (winsys->onscreen_set_resizable) + winsys->onscreen_set_resizable (onscreen, resizable); + } +} + +CoglBool +cogl_onscreen_get_resizable (CoglOnscreen *onscreen) +{ + return onscreen->resizable; +} + +CoglOnscreenResizeClosure * +cogl_onscreen_add_resize_callback (CoglOnscreen *onscreen, + CoglOnscreenResizeCallback callback, + void *user_data, + CoglUserDataDestroyCallback destroy) +{ + return _cogl_closure_list_add (&onscreen->resize_closures, + callback, + user_data, + destroy); +} + +void +cogl_onscreen_remove_resize_callback (CoglOnscreen *onscreen, + CoglOnscreenResizeClosure *closure) +{ + _cogl_closure_disconnect (closure); +} + +CoglOnscreenDirtyClosure * +cogl_onscreen_add_dirty_callback (CoglOnscreen *onscreen, + CoglOnscreenDirtyCallback callback, + void *user_data, + CoglUserDataDestroyCallback destroy) +{ + return _cogl_closure_list_add (&onscreen->dirty_closures, + callback, + user_data, + destroy); +} + +void +cogl_onscreen_remove_dirty_callback (CoglOnscreen *onscreen, + CoglOnscreenDirtyClosure *closure) +{ + _COGL_RETURN_IF_FAIL (closure); + + _cogl_closure_disconnect (closure); +} + +int64_t +cogl_onscreen_get_frame_counter (CoglOnscreen *onscreen) +{ + return onscreen->frame_counter; +} diff --git a/cogl/cogl-onscreen.h b/cogl/cogl-onscreen.h new file mode 100644 index 0000000..0edae92 --- /dev/null +++ b/cogl/cogl-onscreen.h @@ -0,0 +1,1012 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011,2012,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_ONSCREEN_H +#define __COGL_ONSCREEN_H + +#include +#include +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +typedef struct _CoglOnscreen CoglOnscreen; +#define COGL_ONSCREEN(X) ((CoglOnscreen *)(X)) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_onscreen_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_onscreen_get_gtype (void); +#endif + +/** + * cogl_onscreen_new: (constructor) + * @context: A #CoglContext + * @width: The desired framebuffer width + * @height: The desired framebuffer height + * + * Instantiates an "unallocated" #CoglOnscreen framebuffer that may be + * configured before later being allocated, either implicitly when + * it is first used or explicitly via cogl_framebuffer_allocate(). + * + * Return value: (transfer full): A newly instantiated #CoglOnscreen framebuffer + * Since: 1.8 + * Stability: unstable + */ +CoglOnscreen * +cogl_onscreen_new (CoglContext *context, int width, int height); + +#ifdef COGL_HAS_X11 +typedef void (*CoglOnscreenX11MaskCallback) (CoglOnscreen *onscreen, + uint32_t event_mask, + void *user_data); + +/** + * cogl_x11_onscreen_set_foreign_window_xid: + * @onscreen: The unallocated framebuffer to associated with an X + * window. + * @xid: The XID of an existing X window + * @update: A callback that notifies of updates to what Cogl requires + * to be in the core X protocol event mask. + * @user_data: user data passed to @update + * + * Ideally we would recommend that you let Cogl be responsible for + * creating any X window required to back an onscreen framebuffer but + * if you really need to target a window created manually this + * function can be called before @onscreen has been allocated to set a + * foreign XID for your existing X window. + * + * Since Cogl needs, for example, to track changes to the size of an X + * window it requires that certain events be selected for via the core + * X protocol. This requirement may also be changed asynchronously so + * you must pass in an @update callback to inform you of Cogl's + * required event mask. + * + * For example if you are using Xlib you could use this API roughly + * as follows: + * [{ + * static void + * my_update_cogl_x11_event_mask (CoglOnscreen *onscreen, + * uint32_t event_mask, + * void *user_data) + * { + * XSetWindowAttributes attrs; + * MyData *data = user_data; + * attrs.event_mask = event_mask | data->my_event_mask; + * XChangeWindowAttributes (data->xdpy, + * data->xwin, + * CWEventMask, + * &attrs); + * } + * + * { + * *snip* + * cogl_x11_onscreen_set_foreign_window_xid (onscreen, + * data->xwin, + * my_update_cogl_x11_event_mask, + * data); + * *snip* + * } + * }] + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_x11_onscreen_set_foreign_window_xid (CoglOnscreen *onscreen, + uint32_t xid, + CoglOnscreenX11MaskCallback update, + void *user_data); + +/** + * cogl_x11_onscreen_get_window_xid: + * @onscreen: A #CoglOnscreen framebuffer + * + * Assuming you know the given @onscreen framebuffer is based on an x11 window + * this queries the XID of that window. If + * cogl_x11_onscreen_set_foreign_window_xid() was previously called then it + * will return that same XID otherwise it will be the XID of a window Cogl + * created internally. If the window has not been allocated yet and a foreign + * xid has not been set then it's undefined what value will be returned. + * + * It's undefined what this function does if called when not using an x11 based + * renderer. + * + * Since: 1.10 + * Stability: unstable + */ +uint32_t +cogl_x11_onscreen_get_window_xid (CoglOnscreen *onscreen); + +/* XXX: we should maybe remove this, since nothing currently uses + * it and the current implementation looks dubious. */ +uint32_t +cogl_x11_onscreen_get_visual_xid (CoglOnscreen *onscreen); +#endif /* COGL_HAS_X11 */ + +#ifdef COGL_HAS_WIN32_SUPPORT +/** + * cogl_win32_onscreen_set_foreign_window: + * @onscreen: A #CoglOnscreen framebuffer + * @hwnd: A win32 window handle + * + * Ideally we would recommend that you let Cogl be responsible for + * creating any window required to back an onscreen framebuffer but + * if you really need to target a window created manually this + * function can be called before @onscreen has been allocated to set a + * foreign XID for your existing X window. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_win32_onscreen_set_foreign_window (CoglOnscreen *onscreen, + HWND hwnd); + +/** + * cogl_win32_onscreen_get_window: + * @onscreen: A #CoglOnscreen framebuffer + * + * Queries the internally created window HWND backing the given @onscreen + * framebuffer. If cogl_win32_onscreen_set_foreign_window() has been used then + * it will return the same handle set with that API. + * + * Since: 1.10 + * Stability: unstable + */ +HWND +cogl_win32_onscreen_get_window (CoglOnscreen *onscreen); +#endif /* COGL_HAS_WIN32_SUPPORT */ + +#if defined (COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT) +struct wl_surface * +cogl_wayland_onscreen_get_surface (CoglOnscreen *onscreen); +struct wl_shell_surface * +cogl_wayland_onscreen_get_shell_surface (CoglOnscreen *onscreen); + +/** + * cogl_wayland_onscreen_set_foreign_surface: + * @onscreen: An unallocated framebuffer. + * @surface A Wayland surface to associate with the @onscreen. + * + * Allows you to explicitly notify Cogl of an existing Wayland surface to use, + * which prevents Cogl from allocating a surface and shell surface for the + * @onscreen. An allocated surface will not be destroyed when the @onscreen is + * freed. + * + * This function must be called before @onscreen is allocated. + * + * Since: 1.16 + * Stability: unstable + */ +void +cogl_wayland_onscreen_set_foreign_surface (CoglOnscreen *onscreen, + struct wl_surface *surface); + +/** + * cogl_wayland_onscreen_resize: + * @onscreen: A #CoglOnscreen framebuffer + * @width: The desired width of the framebuffer + * @height: The desired height of the framebuffer + * @offset_x: A relative x offset for the new framebuffer + * @offset_y: A relative y offset for the new framebuffer + * + * Resizes the backbuffer of the given @onscreen framebuffer to the + * given size. Since a buffer is usually conceptually scaled with a + * center point the @offset_x and @offset_y arguments allow the newly + * allocated buffer to be positioned relative to the old buffer size. + * + * For example a buffer that is being resized by moving the bottom right + * corner, and the top left corner is remaining static would use x and y + * offsets of (0, 0) since the top-left of the new buffer should have the same + * position as the old buffer. If the center of the old buffer is being zoomed + * into then all the corners of the new buffer move out from the center and the x + * and y offsets would be (-half_x_size_increase, -half_y_size_increase) where + * x/y_size_increase is how many pixels bigger the buffer is on the x and y + * axis. + * + * Note that if some drawing commands have been applied to the + * framebuffer since the last swap buffers then the resize will be + * queued and will only take effect in the next swap buffers. + * + * If multiple calls to cogl_wayland_onscreen_resize() get queued + * before the next swap buffers request then the relative x and y + * offsets accumulate instead of being replaced. The @width and + * @height values superseed the old values. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_wayland_onscreen_resize (CoglOnscreen *onscreen, + int width, + int height, + int offset_x, + int offset_y); +#endif /* COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT */ + +/** + * cogl_onscreen_set_swap_throttled: + * @onscreen: A #CoglOnscreen framebuffer + * @throttled: Whether swap throttling is wanted or not. + * + * Requests that the given @onscreen framebuffer should have swap buffer + * requests (made using cogl_onscreen_swap_buffers()) throttled either by a + * displays vblank period or perhaps some other mechanism in a composited + * environment. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_onscreen_set_swap_throttled (CoglOnscreen *onscreen, + CoglBool throttled); + +/** + * cogl_onscreen_show: + * @onscreen: The onscreen framebuffer to make visible + * + * This requests to make @onscreen visible to the user. + * + * Actually the precise semantics of this function depend on the + * window system currently in use, and if you don't have a + * multi-windowining system this function may in-fact do nothing. + * + * This function will implicitly allocate the given @onscreen + * framebuffer before showing it if it hasn't already been allocated. + * + * When using the Wayland winsys calling this will set the surface to + * a toplevel type which will make it appear. If the application wants + * to set a different type for the surface, it can avoid calling + * cogl_onscreen_show() and set its own type directly with the Wayland + * client API via cogl_wayland_onscreen_get_surface(). + * + * Since Cogl doesn't explicitly track the visibility status of + * onscreen framebuffers it wont try to avoid redundant window system + * requests e.g. to show an already visible window. This also means + * that it's acceptable to alternatively use native APIs to show and + * hide windows without confusing Cogl. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_onscreen_show (CoglOnscreen *onscreen); + +/** + * cogl_onscreen_hide: + * @onscreen: The onscreen framebuffer to make invisible + * + * This requests to make @onscreen invisible to the user. + * + * Actually the precise semantics of this function depend on the + * window system currently in use, and if you don't have a + * multi-windowining system this function may in-fact do nothing. + * + * This function does not implicitly allocate the given @onscreen + * framebuffer before hiding it. + * + * Since Cogl doesn't explicitly track the visibility status of + * onscreen framebuffers it wont try to avoid redundant window system + * requests e.g. to show an already visible window. This also means + * that it's acceptable to alternatively use native APIs to show and + * hide windows without confusing Cogl. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_onscreen_hide (CoglOnscreen *onscreen); + +/** + * cogl_onscreen_swap_buffers: + * @onscreen: A #CoglOnscreen framebuffer + * + * Swaps the current back buffer being rendered too, to the front for display. + * + * This function also implicitly discards the contents of the color, depth and + * stencil buffers as if cogl_framebuffer_discard_buffers() were used. The + * significance of the discard is that you should not expect to be able to + * start a new frame that incrementally builds on the contents of the previous + * frame. + * + * It is highly recommended that applications use + * cogl_onscreen_swap_buffers_with_damage() instead whenever possible + * and also use the cogl_onscreen_get_buffer_age() api so they can + * perform incremental updates to older buffers instead of having to + * render a full buffer for every frame. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_onscreen_swap_buffers (CoglOnscreen *onscreen); + + +/** + * cogl_onscreen_get_buffer_age: + * @onscreen: A #CoglOnscreen framebuffer + * + * Gets the current age of the buffer contents. + * + * This function allows applications to query the age of the current + * back buffer contents for a #CoglOnscreen as the number of frames + * elapsed since the contents were most recently defined. + * + * These age values exposes enough information to applications about + * how Cogl internally manages back buffers to allow applications to + * re-use the contents of old frames and minimize how much must be + * redrawn for the next frame. + * + * The back buffer contents can either be reported as invalid (has an + * age of 0) or it may be reported to be the same contents as from n + * frames prior to the current frame. + * + * The queried value remains valid until the next buffer swap. + * + * One caveat is that under X11 the buffer age does not reflect + * changes to buffer contents caused by the window systems. X11 + * applications must track Expose events to determine what buffer + * regions need to additionally be repaired each frame. + * + * The recommended way to take advantage of this buffer age api is to + * build up a circular buffer of length 3 for tracking damage regions + * over the last 3 frames and when starting a new frame look at the + * age of the buffer and combine the damage regions for the current + * frame with the damage regions of previous @age frames so you know + * everything that must be redrawn to update the old contents for the + * new frame. + * + * If the system doesn't not support being able to track the age + * of back buffers then this function will always return 0 which + * implies that the contents are undefined. + * + * The %COGL_FEATURE_ID_BUFFER_AGE feature can optionally be + * explicitly checked to determine if Cogl is currently tracking the + * age of #CoglOnscreen back buffer contents. If this feature is + * missing then this function will always return 0. + * + * Return value: The age of the buffer contents or 0 when the buffer + * contents are undefined. + * + * Since: 1.14 + * Stability: stable + */ +int +cogl_onscreen_get_buffer_age (CoglOnscreen *onscreen); + +/** + * cogl_onscreen_swap_buffers_with_damage: + * @onscreen: A #CoglOnscreen framebuffer + * @rectangles: An array of integer 4-tuples representing damaged + * rectangles as (x, y, width, height) tuples. + * @n_rectangles: The number of 4-tuples to be read from @rectangles + * + * Swaps the current back buffer being rendered too, to the front for + * display and provides information to any system compositor about + * what regions of the buffer have changed (damage) with respect to + * the last swapped buffer. + * + * This function has the same semantics as + * cogl_framebuffer_swap_buffers() except that it additionally allows + * applications to pass a list of damaged rectangles which may be + * passed on to a compositor so that it can minimize how much of the + * screen is redrawn in response to this applications newly swapped + * front buffer. + * + * For example if your application is only animating a small object in + * the corner of the screen and everything else is remaining static + * then it can help the compositor to know that only the bottom right + * corner of your newly swapped buffer has really changed with respect + * to your previously swapped front buffer. + * + * If @n_rectangles is 0 then the whole buffer will implicitly be + * reported as damaged as if cogl_onscreen_swap_buffers() had been + * called. + * + * This function also implicitly discards the contents of the color, + * depth and stencil buffers as if cogl_framebuffer_discard_buffers() + * were used. The significance of the discard is that you should not + * expect to be able to start a new frame that incrementally builds on + * the contents of the previous frame. If you want to perform + * incremental updates to older back buffers then please refer to the + * cogl_onscreen_get_buffer_age() api. + * + * Whenever possible it is recommended that applications use this + * function instead of cogl_onscreen_swap_buffers() to improve + * performance when running under a compositor. + * + * It is highly recommended to use this API in conjunction with + * the cogl_onscreen_get_buffer_age() api so that your application can + * perform incremental rendering based on old back buffers. + * + * Since: 1.16 + * Stability: unstable + */ +void +cogl_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles); + +/** + * cogl_onscreen_swap_region: + * @onscreen: A #CoglOnscreen framebuffer + * @rectangles: An array of integer 4-tuples representing rectangles as + * (x, y, width, height) tuples. + * @n_rectangles: The number of 4-tuples to be read from @rectangles + * + * Swaps a region of the back buffer being rendered too, to the front for + * display. @rectangles represents the region as array of @n_rectangles each + * defined by 4 sequential (x, y, width, height) integers. + * + * This function also implicitly discards the contents of the color, depth and + * stencil buffers as if cogl_framebuffer_discard_buffers() were used. The + * significance of the discard is that you should not expect to be able to + * start a new frame that incrementally builds on the contents of the previous + * frame. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_onscreen_swap_region (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles); + +/** + * CoglFrameEvent: + * @COGL_FRAME_EVENT_SYNC: Notifies that the system compositor has + * acknowledged a frame and is ready for a + * new frame to be created. + * @COGL_FRAME_EVENT_COMPLETE: Notifies that a frame has ended. This + * is a good time for applications to + * collect statistics about the frame + * since the #CoglFrameInfo should hold + * the most data at this point. No other + * events should be expected after a + * @COGL_FRAME_EVENT_COMPLETE event. + * + * Identifiers that are passed to #CoglFrameCallback functions + * (registered using cogl_onscreen_add_frame_callback()) that + * mark the progression of a frame in some way which usually + * means that new information will have been accumulated in the + * frame's corresponding #CoglFrameInfo object. + * + * The last event that will be sent for a frame will be a + * @COGL_FRAME_EVENT_COMPLETE event and so these are a good + * opportunity to collect statistics about a frame since the + * #CoglFrameInfo should hold the most data at this point. + * + * A frame may not be completed before the next frame can start + * so applications should avoid needing to collect all statistics for + * a particular frame before they can start a new frame. + * + * Since: 1.14 + * Stability: unstable + */ +typedef enum _CoglFrameEvent +{ + COGL_FRAME_EVENT_SYNC = 1, + COGL_FRAME_EVENT_COMPLETE +} CoglFrameEvent; + +/** + * CoglFrameCallback: + * @onscreen: The onscreen that the frame is associated with + * @event: A #CoglFrameEvent notifying how the frame has progressed + * @info: The meta information, such as timing information, about + * the frame that has progressed. + * @user_data: The user pointer passed to + * cogl_onscreen_add_frame_callback() + * + * Is a callback that can be registered via + * cogl_onscreen_add_frame_callback() to be called when a frame + * progresses in some notable way. + * + * Please see the documentation for #CoglFrameEvent and + * cogl_onscreen_add_frame_callback() for more details about what + * events can be notified. + * + * Since: 1.14 + * Stability: unstable + */ +typedef void (*CoglFrameCallback) (CoglOnscreen *onscreen, + CoglFrameEvent event, + CoglFrameInfo *info, + void *user_data); + +/** + * CoglFrameClosure: + * + * An opaque type that tracks a #CoglFrameCallback and associated user + * data. A #CoglFrameClosure pointer will be returned from + * cogl_onscreen_add_frame_callback() and it allows you to remove a + * callback later using cogl_onscreen_remove_frame_callback(). + * + * Since: 1.14 + * Stability: unstable + */ +typedef struct _CoglClosure CoglFrameClosure; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_frame_closure_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_frame_closure_get_gtype (void); +#endif + +/** + * cogl_onscreen_add_frame_callback: + * @onscreen: A #CoglOnscreen framebuffer + * @callback: (scope notified): A callback function to call for frame events + * @user_data: (closure): A private pointer to be passed to @callback + * @destroy: (allow-none): An optional callback to destroy @user_data + * when the @callback is removed or @onscreen is freed. + * + * Installs a @callback function that will be called for significant + * events relating to the given @onscreen framebuffer. + * + * The @callback will be used to notify when the system compositor is + * ready for this application to render a new frame. In this case + * %COGL_FRAME_EVENT_SYNC will be passed as the event argument to the + * given @callback in addition to the #CoglFrameInfo corresponding to + * the frame beeing acknowledged by the compositor. + * + * The @callback will also be called to notify when the frame has + * ended. In this case %COGL_FRAME_EVENT_COMPLETE will be passed as + * the event argument to the given @callback in addition to the + * #CoglFrameInfo corresponding to the newly presented frame. The + * meaning of "ended" here simply means that no more timing + * information will be collected within the corresponding + * #CoglFrameInfo and so this is a good opportunity to analyse the + * given info. It does not necessarily mean that the GPU has finished + * rendering the corresponding frame. + * + * We highly recommend throttling your application according to + * %COGL_FRAME_EVENT_SYNC events so that your application can avoid + * wasting resources, drawing more frames than your system compositor + * can display. + * + * Return value: a #CoglFrameClosure pointer that can be used to + * remove the callback and associated @user_data later. + * Since: 1.14 + * Stability: unstable + */ +CoglFrameClosure * +cogl_onscreen_add_frame_callback (CoglOnscreen *onscreen, + CoglFrameCallback callback, + void *user_data, + CoglUserDataDestroyCallback destroy); + +/** + * cogl_onscreen_remove_frame_callback: + * @onscreen: A #CoglOnscreen + * @closure: A #CoglFrameClosure returned from + * cogl_onscreen_add_frame_callback() + * + * Removes a callback and associated user data that were previously + * registered using cogl_onscreen_add_frame_callback(). + * + * If a destroy callback was passed to + * cogl_onscreen_add_frame_callback() to destroy the user data then + * this will get called. + * + * Since: 1.14 + * Stability: unstable + */ +void +cogl_onscreen_remove_frame_callback (CoglOnscreen *onscreen, + CoglFrameClosure *closure); + +typedef void (*CoglSwapBuffersNotify) (CoglFramebuffer *framebuffer, + void *user_data); + +/** + * cogl_onscreen_add_swap_buffers_callback: + * @onscreen: A #CoglOnscreen framebuffer + * @callback: (scope notified): A callback function to call when a swap + * has completed + * @user_data: (closure): A private pointer to be passed to @callback + * + * Installs a @callback function that should be called whenever a swap buffers + * request (made using cogl_onscreen_swap_buffers()) for the given + * @onscreen completes. + * + * Applications should check for the %COGL_FEATURE_ID_SWAP_BUFFERS_EVENT + * feature before using this API. It's currently undefined when and if + * registered callbacks will be called if this feature is not supported. + * + * We recommend using this mechanism when available to manually throttle your + * applications (in conjunction with cogl_onscreen_set_swap_throttled()) so + * your application will be able to avoid long blocks in the driver caused by + * throttling when you request to swap buffers too quickly. + * + * Return value: a unique identifier that can be used to remove to remove + * the callback later. + * Since: 1.10 + * Stability: unstable + * Deprecated: 1.14: Use cogl_onscreen_add_frame_callback() instead + */ +COGL_DEPRECATED_IN_1_14_FOR (cogl_onscreen_add_frame_callback) +unsigned int +cogl_onscreen_add_swap_buffers_callback (CoglOnscreen *onscreen, + CoglSwapBuffersNotify callback, + void *user_data); + +/** + * cogl_onscreen_remove_swap_buffers_callback: + * @onscreen: A #CoglOnscreen framebuffer + * @id: An identifier returned from cogl_onscreen_add_swap_buffers_callback() + * + * Removes a callback that was previously registered + * using cogl_onscreen_add_swap_buffers_callback(). + * + * Since: 1.10 + * Stability: unstable + * Deprecated: 1.14: Use cogl_onscreen_remove_frame_callback() instead + */ + +COGL_DEPRECATED_IN_1_14_FOR (cogl_onscreen_remove_frame_callback) +void +cogl_onscreen_remove_swap_buffers_callback (CoglOnscreen *onscreen, + unsigned int id); + +/** + * cogl_onscreen_set_resizable: + * @onscreen: A #CoglOnscreen framebuffer + * + * Lets you request Cogl to mark an @onscreen framebuffer as + * resizable or not. + * + * By default, if possible, a @onscreen will be created by Cogl + * as non resizable, but it is not guaranteed that this is always + * possible for all window systems. + * + * Cogl does not know whether marking the @onscreen framebuffer + * is truly meaningful for your current window system (consider + * applications being run fullscreen on a phone or TV) so this + * function may not have any useful effect. If you are running on a + * multi windowing system such as X11 or Win32 or OSX then Cogl will + * request to the window system that users be allowed to resize the + * @onscreen, although it's still possible that some other window + * management policy will block this possibility. + * + * Whenever an @onscreen framebuffer is resized the viewport + * will be automatically updated to match the new size of the + * framebuffer with an origin of (0,0). If your application needs more + * specialized control of the viewport it will need to register a + * resize handler using cogl_onscreen_add_resize_callback() so that it + * can track when the viewport has been changed automatically. + * + * Since: 2.0 + */ +void +cogl_onscreen_set_resizable (CoglOnscreen *onscreen, + CoglBool resizable); + +/** + * cogl_onscreen_get_resizable: + * @onscreen: A #CoglOnscreen framebuffer + * + * Lets you query whether @onscreen has been marked as resizable via + * the cogl_onscreen_set_resizable() api. + * + * By default, if possible, a @onscreen will be created by Cogl + * as non resizable, but it is not guaranteed that this is always + * possible for all window systems. + * + * If cogl_onscreen_set_resizable(@onscreen, %TRUE) has been + * previously called then this function will return %TRUE, but it's + * possible that the current windowing system being used does not + * support window resizing (consider fullscreen windows on a phone or + * a TV). This function is not aware of whether resizing is truly + * meaningful with your window system, only whether the @onscreen has + * been marked as resizable. + * + * Return value: Returns whether @onscreen has been marked as + * resizable or not. + * Since: 2.0 + */ +CoglBool +cogl_onscreen_get_resizable (CoglOnscreen *onscreen); + +/** + * CoglOnscreenResizeCallback: + * @onscreen: A #CoglOnscreen framebuffer that was resized + * @width: The new width of @onscreen + * @height: The new height of @onscreen + * @user_data: The private passed to + * cogl_onscreen_add_resize_callback() + * + * Is a callback type used with the + * cogl_onscreen_add_resize_callback() allowing applications to be + * notified whenever an @onscreen framebuffer is resized. + * + * Cogl automatically updates the viewport of an @onscreen + * framebuffer that is resized so this callback is also an indication + * that the viewport has been modified too + * + * A resize callback will only ever be called while dispatching + * Cogl events from the system mainloop; so for example during + * cogl_poll_renderer_dispatch(). This is so that callbacks shouldn't + * occur while an application might have arbitrary locks held for + * example. + * + * Since: 2.0 + */ +typedef void (*CoglOnscreenResizeCallback) (CoglOnscreen *onscreen, + int width, + int height, + void *user_data); + +/** + * CoglOnscreenResizeClosure: + * + * An opaque type that tracks a #CoglOnscreenResizeCallback and + * associated user data. A #CoglOnscreenResizeClosure pointer will be + * returned from cogl_onscreen_add_resize_callback() and it allows you + * to remove a callback later using + * cogl_onscreen_remove_resize_callback(). + * + * Since: 2.0 + * Stability: unstable + */ +typedef struct _CoglClosure CoglOnscreenResizeClosure; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_onscreen_resize_closure_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_onscreen_resize_closure_get_gtype (void); +#endif + +/** + * cogl_onscreen_add_resize_callback: + * @onscreen: A #CoglOnscreen framebuffer + * @callback: (scope notified): A #CoglOnscreenResizeCallback to call when + * the @onscreen changes size. + * @user_data: (closure): Private data to be passed to @callback. + * @destroy: (allow-none): An optional callback to destroy @user_data + * when the @callback is removed or @onscreen is freed. + * + * Registers a @callback with @onscreen that will be called whenever + * the @onscreen framebuffer changes size. + * + * The @callback can be removed using + * cogl_onscreen_remove_resize_callback() passing the returned closure + * pointer. + * + * Since Cogl automatically updates the viewport of an @onscreen + * framebuffer that is resized, a resize callback can also be used to + * track when the viewport has been changed automatically by Cogl in + * case your application needs more specialized control over the + * viewport. + * + * A resize callback will only ever be called while dispatching + * Cogl events from the system mainloop; so for example during + * cogl_poll_renderer_dispatch(). This is so that callbacks shouldn't + * occur while an application might have arbitrary locks held for + * example. + * + * Return value: a #CoglOnscreenResizeClosure pointer that can be used to + * remove the callback and associated @user_data later. + * Since: 2.0 + */ +CoglOnscreenResizeClosure * +cogl_onscreen_add_resize_callback (CoglOnscreen *onscreen, + CoglOnscreenResizeCallback callback, + void *user_data, + CoglUserDataDestroyCallback destroy); + +/** + * cogl_onscreen_remove_resize_callback: + * @onscreen: A #CoglOnscreen framebuffer + * @closure: An identifier returned from cogl_onscreen_add_resize_callback() + * + * Removes a resize @callback and @user_data pair that were previously + * associated with @onscreen via cogl_onscreen_add_resize_callback(). + * + * Since: 2.0 + */ +void +cogl_onscreen_remove_resize_callback (CoglOnscreen *onscreen, + CoglOnscreenResizeClosure *closure); + +/** + * CoglOnscreenDirtyInfo: + * @x: Left edge of the dirty rectangle + * @y: Top edge of the dirty rectangle, measured from the top of the window + * @width: Width of the dirty rectangle + * @height: Height of the dirty rectangle + * + * A structure passed to callbacks registered using + * cogl_onscreen_add_dirty_callback(). The members describe a + * rectangle within the onscreen buffer that should be redrawn. + * + * Since: 1.16 + * Stability: unstable + */ +typedef struct _CoglOnscreenDirtyInfo CoglOnscreenDirtyInfo; + +struct _CoglOnscreenDirtyInfo +{ + int x, y; + int width, height; +}; + +/** + * CoglOnscreenDirtyCallback: + * @onscreen: The onscreen that the frame is associated with + * @info: A #CoglOnscreenDirtyInfo struct containing the details of the + * dirty area + * @user_data: The user pointer passed to + * cogl_onscreen_add_frame_callback() + * + * Is a callback that can be registered via + * cogl_onscreen_add_dirty_callback() to be called when the windowing + * system determines that a region of the onscreen window has been + * lost and the application should redraw it. + * + * Since: 1.16 + * Stability: unstable + */ +typedef void (*CoglOnscreenDirtyCallback) (CoglOnscreen *onscreen, + const CoglOnscreenDirtyInfo *info, + void *user_data); + +/** + * CoglOnscreenDirtyClosure: + * + * An opaque type that tracks a #CoglOnscreenDirtyCallback and associated + * user data. A #CoglOnscreenDirtyClosure pointer will be returned from + * cogl_onscreen_add_dirty_callback() and it allows you to remove a + * callback later using cogl_onscreen_remove_dirty_callback(). + * + * Since: 1.16 + * Stability: unstable + */ +typedef struct _CoglClosure CoglOnscreenDirtyClosure; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_onscreen_dirty_closure_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_onscreen_dirty_closure_get_gtype (void); +#endif + +/** + * cogl_onscreen_add_dirty_callback: + * @onscreen: A #CoglOnscreen framebuffer + * @callback: (scope notified): A callback function to call for dirty events + * @user_data: (closure): A private pointer to be passed to @callback + * @destroy: (allow-none): An optional callback to destroy @user_data when the + * @callback is removed or @onscreen is freed. + * + * Installs a @callback function that will be called whenever the + * window system has lost the contents of a region of the onscreen + * buffer and the application should redraw it to repair the buffer. + * For example this may happen in a window system without a compositor + * if a window that was previously covering up the onscreen window has + * been moved causing a region of the onscreen to be exposed. + * + * The @callback will be passed a #CoglOnscreenDirtyInfo struct which + * decribes a rectangle containing the newly dirtied region. Note that + * this may be called multiple times to describe a non-rectangular + * region composed of multiple smaller rectangles. + * + * The dirty events are separate from %COGL_FRAME_EVENT_SYNC events so + * the application should also listen for this event before rendering + * the dirty region to ensure that the framebuffer is actually ready + * for rendering. + * + * Return value: a #CoglOnscreenDirtyClosure pointer that can be used to + * remove the callback and associated @user_data later. + * Since: 1.16 + * Stability: unstable + */ +CoglOnscreenDirtyClosure * +cogl_onscreen_add_dirty_callback (CoglOnscreen *onscreen, + CoglOnscreenDirtyCallback callback, + void *user_data, + CoglUserDataDestroyCallback destroy); + +/** + * cogl_onscreen_remove_dirty_callback: + * @onscreen: A #CoglOnscreen + * @closure: A #CoglOnscreenDirtyClosure returned from + * cogl_onscreen_add_dirty_callback() + * + * Removes a callback and associated user data that were previously + * registered using cogl_onscreen_add_dirty_callback(). + * + * If a destroy callback was passed to + * cogl_onscreen_add_dirty_callback() to destroy the user data then + * this will also get called. + * + * Since: 1.16 + * Stability: unstable + */ +void +cogl_onscreen_remove_dirty_callback (CoglOnscreen *onscreen, + CoglOnscreenDirtyClosure *closure); + +/** + * cogl_is_onscreen: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a #CoglOnscreen. + * + * Return value: %TRUE if the object references a #CoglOnscreen + * and %FALSE otherwise. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_is_onscreen (void *object); + +/** + * cogl_onscreen_get_frame_counter: + * + * Gets the value of the framebuffers frame counter. This is + * a counter that increases by one each time + * cogl_onscreen_swap_buffers() or cogl_onscreen_swap_region() + * is called. + * + * Return value: the current frame counter value + * Since: 1.14 + * Stability: unstable + */ +int64_t +cogl_onscreen_get_frame_counter (CoglOnscreen *onscreen); + +COGL_END_DECLS + +#endif /* __COGL_ONSCREEN_H */ diff --git a/cogl/cogl-output-private.h b/cogl/cogl-output-private.h new file mode 100644 index 0000000..d264d48 --- /dev/null +++ b/cogl/cogl-output-private.h @@ -0,0 +1,57 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_OUTPUT_PRIVATE_H +#define __COGL_OUTPUT_PRIVATE_H + +#include "cogl-output.h" +#include "cogl-object-private.h" + +struct _CoglOutput +{ + CoglObject _parent; + + char *name; + + int x; /* Must be first field for _cogl_output_values_equal() */ + int y; + int width; + int height; + int mm_width; + int mm_height; + float refresh_rate; + CoglSubpixelOrder subpixel_order; +}; + +CoglOutput *_cogl_output_new (const char *name); +CoglBool _cogl_output_values_equal (CoglOutput *output, + CoglOutput *other); + +#endif /* __COGL_OUTPUT_PRIVATE_H */ diff --git a/cogl/cogl-output.c b/cogl/cogl-output.c new file mode 100644 index 0000000..ae85605 --- /dev/null +++ b/cogl/cogl-output.c @@ -0,0 +1,119 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-output-private.h" +#include "cogl-gtype-private.h" + +#include + +static void _cogl_output_free (CoglOutput *output); + +COGL_OBJECT_DEFINE (Output, output); +COGL_GTYPE_DEFINE_CLASS (Output, output); + +CoglOutput * +_cogl_output_new (const char *name) +{ + CoglOutput *output; + + output = g_slice_new0 (CoglOutput); + output->name = g_strdup (name); + + return _cogl_output_object_new (output); +} + +static void +_cogl_output_free (CoglOutput *output) +{ + g_free (output->name); + + g_slice_free (CoglOutput, output); +} + +gboolean +_cogl_output_values_equal (CoglOutput *output, + CoglOutput *other) +{ + return memcmp ((const char *)output + G_STRUCT_OFFSET (CoglOutput, x), + (const char *)other + G_STRUCT_OFFSET (CoglOutput, x), + sizeof (CoglOutput) - G_STRUCT_OFFSET (CoglOutput, x)) == 0; +} + +int +cogl_output_get_x (CoglOutput *output) +{ + return output->x; +} + +int +cogl_output_get_y (CoglOutput *output) +{ + return output->y; +} + +int +cogl_output_get_width (CoglOutput *output) +{ + return output->width; +} + +int +cogl_output_get_height (CoglOutput *output) +{ + return output->height; +} + +int +cogl_output_get_mm_width (CoglOutput *output) +{ + return output->mm_width; +} + +int +cogl_output_get_mm_height (CoglOutput *output) +{ + return output->mm_height; +} + +CoglSubpixelOrder +cogl_output_get_subpixel_order (CoglOutput *output) +{ + return output->subpixel_order; +} + +float +cogl_output_get_refresh_rate (CoglOutput *output) +{ + return output->refresh_rate; +} diff --git a/cogl/cogl-output.h b/cogl/cogl-output.h new file mode 100644 index 0000000..6eec10e --- /dev/null +++ b/cogl/cogl-output.h @@ -0,0 +1,261 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Owen Taylor + */ +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_OUTPUT_H +#define __COGL_OUTPUT_H + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-output + * @short_description: information about an output device + * + * The #CoglOutput object holds information about an output device + * such as a monitor or laptop display. It can be queried to find + * out the position of the output with respect to the screen + * coordinate system and other information such as the resolution + * and refresh rate of the device. + * + * There can be any number of outputs which may overlap: the + * same area of the screen may be displayed by multiple output + * devices. + * + * XXX: though it's possible to query the position of the output + * with respect to screen coordinates, there is currently no way + * of finding out the position of a #CoglOnscreen in screen + * coordinates, at least without using windowing-system specific + * API's, so it's not easy to get the output positions relative + * to the #CoglOnscreen. + */ + +typedef struct _CoglOutput CoglOutput; +#define COGL_OUTPUT(X) ((CoglOutput *)(X)) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_output_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_output_get_gtype (void); +#endif + +/** + * CoglSubpixelOrder: + * @COGL_SUBPIXEL_ORDER_UNKNOWN: the layout of subpixel + * components for the device is unknown. + * @COGL_SUBPIXEL_ORDER_NONE: the device displays colors + * without geometrically-separated subpixel components, + * or the positioning or colors of the components do not + * match any of the values in the enumeration. + * @COGL_SUBPIXEL_ORDER_HORIZONTAL_RGB: the device has + * horizontally arranged components in the order + * red-green-blue from left to right. + * @COGL_SUBPIXEL_ORDER_HORIZONTAL_BGR: the device has + * horizontally arranged components in the order + * blue-green-red from left to right. + * @COGL_SUBPIXEL_ORDER_VERTICAL_RGB: the device has + * vertically arranged components in the order + * red-green-blue from top to bottom. + * @COGL_SUBPIXEL_ORDER_VERTICAL_BGR: the device has + * vertically arranged components in the order + * blue-green-red from top to bottom. + * + * Some output devices (such as LCD panels) display colors + * by making each pixel consist of smaller "subpixels" + * that each have a particular color. By using knowledge + * of the layout of this subpixel components, it is possible + * to create image content with higher resolution than the + * pixel grid. + * + * Since: 1.14 + * Stability: unstable + */ +typedef enum { + COGL_SUBPIXEL_ORDER_UNKNOWN, + COGL_SUBPIXEL_ORDER_NONE, + COGL_SUBPIXEL_ORDER_HORIZONTAL_RGB, + COGL_SUBPIXEL_ORDER_HORIZONTAL_BGR, + COGL_SUBPIXEL_ORDER_VERTICAL_RGB, + COGL_SUBPIXEL_ORDER_VERTICAL_BGR +} CoglSubpixelOrder; + +/** + * cogl_is_output: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a #CoglOutput. + * + * Return value: %TRUE if the object references a #CoglOutput + * and %FALSE otherwise. + * Since: 1.14 + * Stability: unstable + */ +CoglBool +cogl_is_output (void *object); + +/** + * cogl_output_get_x: + * @output: a #CoglOutput + * + * Gets the X position of the output with respect to the coordinate + * system of the screen. + * + * Return value: the X position of the output as a pixel offset + * from the left side of the screen coordinate space + * Since: 1.14 + * Stability: unstable + */ +int +cogl_output_get_x (CoglOutput *output); + +/** + * cogl_output_get_y: + * @output: a #CoglOutput + * + * Gets the Y position of the output with respect to the coordinate + * system of the screen. + * + * Return value: the Y position of the output as a pixel offset + * from the top side of the screen coordinate space + * Since: 1.14 + * Stability: unstable + */ +int +cogl_output_get_y (CoglOutput *output); + +/** + * cogl_output_get_width: + * @output: a #CoglOutput + * + * Gets the width of the output in pixels. + * + * Return value: the width of the output in pixels + * Since: 1.14 + * Stability: unstable + */ +int +cogl_output_get_width (CoglOutput *output); + +/** + * cogl_output_get_height: + * @output: a #CoglOutput + * + * Gets the height of the output in pixels. + * + * Return value: the height of the output in pixels + * Since: 1.14 + * Stability: unstable + */ +int +cogl_output_get_height (CoglOutput *output); + +/** + * cogl_output_get_mm_width: + * @output: a #CoglOutput + * + * Gets the physical width of the output. In some cases (such as + * as a projector), the value returned here might correspond to + * nominal resolution rather than the actual physical size of the + * output device. + * + * Return value: the height of the output in millimeters. A value + * of 0 indicates the width is unknown + * Since: 1.14 + * Stability: unstable + */ +int +cogl_output_get_mm_width (CoglOutput *output); + +/** + * cogl_output_get_mm_height: + * @output: a #CoglOutput + * + * Gets the physical height of the output. In some cases (such as + * as a projector), the value returned here might correspond to + * nominal resolution rather than the actual physical size of the + * output device. + * + * Return value: the height of the output in millimeters. A value + * of 0 indicates that the height is unknown + * Since: 1.14 + * Stability: unstable + */ +int +cogl_output_get_mm_height (CoglOutput *output); + +/** + * cogl_output_get_subpixel_order: + * @output: a #CoglOutput + * + * For an output device where each pixel is made up of smaller components + * with different colors, returns the layout of the subpixel + * components. + * + * Return value: the order of subpixel components for the output device + * Since: 1.14 + * Stability: unstable + */ +CoglSubpixelOrder +cogl_output_get_subpixel_order (CoglOutput *output); + +/** + * cogl_output_get_refresh_rate: + * @output: a #CoglOutput + * + * Gets the number of times per second that the output device refreshes + * the display contents. + * + * Return value: the refresh rate of the output device. A value of zero + * indicates that the refresh rate is unknown. + * Since: 1.14 + * Stability: unstable + */ +float +cogl_output_get_refresh_rate (CoglOutput *output); + +COGL_END_DECLS + +#endif /* __COGL_OUTPUT_H */ + + + diff --git a/cogl/cogl-pango.h b/cogl/cogl-pango.h new file mode 100644 index 0000000..b24c1b8 --- /dev/null +++ b/cogl/cogl-pango.h @@ -0,0 +1,40 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ +#ifndef __COGL_PANGO_H_COMPAT__ +#define __COGL_PANGO_H_COMPAT__ + +#ifdef COGL_ENABLE_EXPERIMENTAL_2_0_API +#error "#include is unsupported; please #include " +#else +#warning "#include is deprecated; please #include " +#include +#endif + +#endif /* __COGL_PANGO_H_COMPAT__ */ diff --git a/cogl/cogl-pipeline-cache.c b/cogl/cogl-pipeline-cache.c new file mode 100644 index 0000000..0a6bb6a --- /dev/null +++ b/cogl/cogl-pipeline-cache.c @@ -0,0 +1,216 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011, 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-context-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-cache.h" +#include "cogl-pipeline-hash-table.h" + +struct _CoglPipelineCache +{ + CoglPipelineHashTable fragment_hash; + CoglPipelineHashTable vertex_hash; + CoglPipelineHashTable combined_hash; +}; + +CoglPipelineCache * +_cogl_pipeline_cache_new (void) +{ + CoglPipelineCache *cache = g_new (CoglPipelineCache, 1); + unsigned long vertex_state; + unsigned long layer_vertex_state; + unsigned int fragment_state; + unsigned int layer_fragment_state; + + _COGL_GET_CONTEXT (ctx, 0); + + vertex_state = + _cogl_pipeline_get_state_for_vertex_codegen (ctx); + layer_vertex_state = + COGL_PIPELINE_LAYER_STATE_AFFECTS_VERTEX_CODEGEN; + fragment_state = + _cogl_pipeline_get_state_for_fragment_codegen (ctx); + layer_fragment_state = + _cogl_pipeline_get_layer_state_for_fragment_codegen (ctx); + + _cogl_pipeline_hash_table_init (&cache->vertex_hash, + vertex_state, + layer_vertex_state, + "vertex shaders"); + _cogl_pipeline_hash_table_init (&cache->fragment_hash, + fragment_state, + layer_fragment_state, + "fragment shaders"); + _cogl_pipeline_hash_table_init (&cache->combined_hash, + vertex_state | fragment_state, + layer_vertex_state | layer_fragment_state, + "programs"); + + return cache; +} + +void +_cogl_pipeline_cache_free (CoglPipelineCache *cache) +{ + _cogl_pipeline_hash_table_destroy (&cache->fragment_hash); + _cogl_pipeline_hash_table_destroy (&cache->vertex_hash); + _cogl_pipeline_hash_table_destroy (&cache->combined_hash); + g_free (cache); +} + +CoglPipelineCacheEntry * +_cogl_pipeline_cache_get_fragment_template (CoglPipelineCache *cache, + CoglPipeline *key_pipeline) +{ + return _cogl_pipeline_hash_table_get (&cache->fragment_hash, + key_pipeline); +} + +CoglPipelineCacheEntry * +_cogl_pipeline_cache_get_vertex_template (CoglPipelineCache *cache, + CoglPipeline *key_pipeline) +{ + return _cogl_pipeline_hash_table_get (&cache->vertex_hash, + key_pipeline); +} + +CoglPipelineCacheEntry * +_cogl_pipeline_cache_get_combined_template (CoglPipelineCache *cache, + CoglPipeline *key_pipeline) +{ + return _cogl_pipeline_hash_table_get (&cache->combined_hash, + key_pipeline); +} + +#ifdef ENABLE_UNIT_TESTS + +static void +create_pipelines (CoglPipeline **pipelines, + int n_pipelines) +{ + int i; + + for (i = 0; i < n_pipelines; i++) + { + char *source = g_strdup_printf (" cogl_color_out = " + "vec4 (%f, 0.0, 0.0, 1.0);\n", + i / 255.0f); + CoglSnippet *snippet = + cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, + NULL, /* declarations */ + source); + + g_free (source); + + pipelines[i] = cogl_pipeline_new (test_ctx); + cogl_pipeline_add_snippet (pipelines[i], snippet); + cogl_object_unref (snippet); + } + + /* Test that drawing with them works. This should create the entries + * in the cache */ + for (i = 0; i < n_pipelines; i++) + { + cogl_framebuffer_draw_rectangle (test_fb, + pipelines[i], + i, 0, + i + 1, 1); + test_utils_check_pixel_rgb (test_fb, i, 0, i, 0, 0); + } + +} + +UNIT_TEST (check_pipeline_pruning, + TEST_REQUIREMENT_GLSL, /* requirements */ + 0 /* no failure cases */) +{ + CoglPipeline *pipelines[18]; + int fb_width, fb_height; + CoglPipelineHashTable *fragment_hash = + &test_ctx->pipeline_cache->fragment_hash; + CoglPipelineHashTable *combined_hash = + &test_ctx->pipeline_cache->combined_hash; + int i; + + fb_width = cogl_framebuffer_get_width (test_fb); + fb_height = cogl_framebuffer_get_height (test_fb); + + cogl_framebuffer_orthographic (test_fb, + 0, 0, + fb_width, + fb_height, + -1, + 100); + + /* Create 18 unique pipelines. This should end up being more than + * the initial expected minimum size so it will trigger the garbage + * collection. However all of the pipelines will be in use so they + * won't be collected */ + create_pipelines (pipelines, 18); + + /* These pipelines should all have unique entries in the cache. We + * should have run the garbage collection once and at that point the + * expected minimum size would have been 17 */ + g_assert_cmpint (g_hash_table_size (fragment_hash->table), ==, 18); + g_assert_cmpint (g_hash_table_size (combined_hash->table), ==, 18); + g_assert_cmpint (fragment_hash->expected_min_size, ==, 17); + g_assert_cmpint (combined_hash->expected_min_size, ==, 17); + + /* Destroy the original pipelines and create some new ones. This + * should run the garbage collector again but this time the + * pipelines won't be in use so it should free some of them */ + for (i = 0; i < 18; i++) + cogl_object_unref (pipelines[i]); + + create_pipelines (pipelines, 18); + + /* The garbage collection should have freed half of the original 18 + * pipelines which means there should now be 18*1.5 = 27 */ + g_assert_cmpint (g_hash_table_size (fragment_hash->table), ==, 27); + g_assert_cmpint (g_hash_table_size (combined_hash->table), ==, 27); + /* The 35th pipeline would have caused the garbage collection. At + * that point there would be 35-18=17 used unique pipelines. */ + g_assert_cmpint (fragment_hash->expected_min_size, ==, 17); + g_assert_cmpint (combined_hash->expected_min_size, ==, 17); + + for (i = 0; i < 18; i++) + cogl_object_unref (pipelines[i]); +} + +#endif /* ENABLE_UNIT_TESTS */ diff --git a/cogl/cogl-pipeline-cache.h b/cogl/cogl-pipeline-cache.h new file mode 100644 index 0000000..bd5862e --- /dev/null +++ b/cogl/cogl-pipeline-cache.h @@ -0,0 +1,93 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_PIPELINE_CACHE_H__ +#define __COGL_PIPELINE_CACHE_H__ + +#include "cogl-pipeline.h" + +typedef struct _CoglPipelineCache CoglPipelineCache; + +typedef struct +{ + CoglPipeline *pipeline; + + /* Number of usages of this template. If this drops to zero then it + * will be a candidate for removal from the cache */ + int usage_count; +} CoglPipelineCacheEntry; + +CoglPipelineCache * +_cogl_pipeline_cache_new (void); + +void +_cogl_pipeline_cache_free (CoglPipelineCache *cache); + +/* + * Gets a pipeline from the cache that has the same state as + * @key_pipeline for the state in + * COGL_PIPELINE_STATE_AFFECTS_FRAGMENT_CODEGEN. If there is no + * matching pipline already then a copy of key_pipeline is stored in + * the cache so that it will be used next time the function is called + * with a similar pipeline. In that case the copy itself will be + * returned + */ +CoglPipelineCacheEntry * +_cogl_pipeline_cache_get_fragment_template (CoglPipelineCache *cache, + CoglPipeline *key_pipeline); + +/* + * Gets a pipeline from the cache that has the same state as + * @key_pipeline for the state in + * COGL_PIPELINE_STATE_AFFECTS_VERTEX_CODEGEN. If there is no + * matching pipline already then a copy of key_pipeline is stored in + * the cache so that it will be used next time the function is called + * with a similar pipeline. In that case the copy itself will be + * returned + */ +CoglPipelineCacheEntry * +_cogl_pipeline_cache_get_vertex_template (CoglPipelineCache *cache, + CoglPipeline *key_pipeline); + +/* + * Gets a pipeline from the cache that has the same state as + * @key_pipeline for the combination of the state state in + * COGL_PIPELINE_STATE_AFFECTS_VERTEX_CODEGEN and + * COGL_PIPELINE_STATE_AFFECTS_FRAGMENT_CODEGEN. If there is no + * matching pipline already then a copy of key_pipeline is stored in + * the cache so that it will be used next time the function is called + * with a similar pipeline. In that case the copy itself will be + * returned + */ +CoglPipelineCacheEntry * +_cogl_pipeline_cache_get_combined_template (CoglPipelineCache *cache, + CoglPipeline *key_pipeline); + +#endif /* __COGL_PIPELINE_CACHE_H__ */ diff --git a/cogl/cogl-pipeline-debug.c b/cogl/cogl-pipeline-debug.c new file mode 100644 index 0000000..beb35b3 --- /dev/null +++ b/cogl/cogl-pipeline-debug.c @@ -0,0 +1,301 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-layer-private.h" +#include "cogl-node-private.h" + +#include + +typedef struct +{ + int parent_id; + int *node_id_ptr; + GString *graph; + int indent; +} PrintDebugState; + +static CoglBool +dump_layer_cb (CoglNode *node, void *user_data) +{ + CoglPipelineLayer *layer = COGL_PIPELINE_LAYER (node); + PrintDebugState *state = user_data; + int layer_id = *state->node_id_ptr; + PrintDebugState state_out; + GString *changes_label; + CoglBool changes = FALSE; + + if (state->parent_id >= 0) + g_string_append_printf (state->graph, "%*slayer%p -> layer%p;\n", + state->indent, "", + layer->_parent.parent, + layer); + + g_string_append_printf (state->graph, + "%*slayer%p [label=\"layer=0x%p\\n" + "ref count=%d\" " + "color=\"blue\"];\n", + state->indent, "", + layer, + layer, + COGL_OBJECT (layer)->ref_count); + + changes_label = g_string_new (""); + g_string_append_printf (changes_label, + "%*slayer%p -> layer_state%d [weight=100];\n" + "%*slayer_state%d [shape=box label=\"", + state->indent, "", + layer, + layer_id, + state->indent, "", + layer_id); + + if (layer->differences & COGL_PIPELINE_LAYER_STATE_UNIT) + { + changes = TRUE; + g_string_append_printf (changes_label, + "\\lunit=%u\\n", + layer->unit_index); + } + + if (layer->differences & COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA) + { + changes = TRUE; + g_string_append_printf (changes_label, + "\\ltexture=%p\\n", + layer->texture); + } + + if (changes) + { + g_string_append_printf (changes_label, "\"];\n"); + g_string_append (state->graph, changes_label->str); + g_string_free (changes_label, TRUE); + } + + state_out.parent_id = layer_id; + + state_out.node_id_ptr = state->node_id_ptr; + (*state_out.node_id_ptr)++; + + state_out.graph = state->graph; + state_out.indent = state->indent + 2; + + _cogl_pipeline_node_foreach_child (COGL_NODE (layer), + dump_layer_cb, + &state_out); + + return TRUE; +} + +static CoglBool +dump_layer_ref_cb (CoglPipelineLayer *layer, void *data) +{ + PrintDebugState *state = data; + int pipeline_id = *state->node_id_ptr; + + g_string_append_printf (state->graph, + "%*spipeline_state%d -> layer%p;\n", + state->indent, "", + pipeline_id, + layer); + + return TRUE; +} + +static CoglBool +dump_pipeline_cb (CoglNode *node, void *user_data) +{ + CoglPipeline *pipeline = COGL_PIPELINE (node); + PrintDebugState *state = user_data; + int pipeline_id = *state->node_id_ptr; + PrintDebugState state_out; + GString *changes_label; + CoglBool changes = FALSE; + CoglBool layers = FALSE; + + if (state->parent_id >= 0) + g_string_append_printf (state->graph, "%*spipeline%d -> pipeline%d;\n", + state->indent, "", + state->parent_id, + pipeline_id); + + g_string_append_printf (state->graph, + "%*spipeline%d [label=\"pipeline=0x%p\\n" + "ref count=%d\\n" + "breadcrumb=\\\"%s\\\"\" color=\"red\"];\n", + state->indent, "", + pipeline_id, + pipeline, + COGL_OBJECT (pipeline)->ref_count, + pipeline->has_static_breadcrumb ? +#ifdef COGL_DEBUG_ENABLED + pipeline->static_breadcrumb : "NULL" +#else + "NULL" +#endif + ); + + changes_label = g_string_new (""); + g_string_append_printf (changes_label, + "%*spipeline%d -> pipeline_state%d [weight=100];\n" + "%*spipeline_state%d [shape=box label=\"", + state->indent, "", + pipeline_id, + pipeline_id, + state->indent, "", + pipeline_id); + + + if (pipeline->differences & COGL_PIPELINE_STATE_COLOR) + { + changes = TRUE; + g_string_append_printf (changes_label, + "\\lcolor=0x%02X%02X%02X%02X\\n", + cogl_color_get_red_byte (&pipeline->color), + cogl_color_get_green_byte (&pipeline->color), + cogl_color_get_blue_byte (&pipeline->color), + cogl_color_get_alpha_byte (&pipeline->color)); + } + + if (pipeline->differences & COGL_PIPELINE_STATE_BLEND) + { + const char *blend_enable_name; + + changes = TRUE; + + switch (pipeline->blend_enable) + { + case COGL_PIPELINE_BLEND_ENABLE_AUTOMATIC: + blend_enable_name = "AUTO"; + break; + case COGL_PIPELINE_BLEND_ENABLE_ENABLED: + blend_enable_name = "ENABLED"; + break; + case COGL_PIPELINE_BLEND_ENABLE_DISABLED: + blend_enable_name = "DISABLED"; + break; + default: + blend_enable_name = "UNKNOWN"; + } + g_string_append_printf (changes_label, + "\\lblend=%s\\n", + blend_enable_name); + } + + if (pipeline->differences & COGL_PIPELINE_STATE_LAYERS) + { + changes = TRUE; + layers = TRUE; + g_string_append_printf (changes_label, "\\ln_layers=%d\\n", + pipeline->n_layers); + } + + if (changes) + { + g_string_append_printf (changes_label, "\"];\n"); + g_string_append (state->graph, changes_label->str); + g_string_free (changes_label, TRUE); + } + + if (layers) + { + g_list_foreach (pipeline->layer_differences, + (GFunc)dump_layer_ref_cb, + state); + } + + state_out.parent_id = pipeline_id; + + state_out.node_id_ptr = state->node_id_ptr; + (*state_out.node_id_ptr)++; + + state_out.graph = state->graph; + state_out.indent = state->indent + 2; + + _cogl_pipeline_node_foreach_child (COGL_NODE (pipeline), + dump_pipeline_cb, + &state_out); + + return TRUE; +} + +/* This function is just here to be called from GDB so we don't really + want to put a declaration in a header and we just add it here to + avoid a warning */ +void +_cogl_debug_dump_pipelines_dot_file (const char *filename); + +void +_cogl_debug_dump_pipelines_dot_file (const char *filename) +{ + GString *graph; + PrintDebugState layer_state; + PrintDebugState pipeline_state; + int layer_id = 0; + int pipeline_id = 0; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (!ctx->default_pipeline) + return; + + graph = g_string_new (""); + g_string_append_printf (graph, "digraph {\n"); + + layer_state.graph = graph; + layer_state.parent_id = -1; + layer_state.node_id_ptr = &layer_id; + layer_state.indent = 0; + dump_layer_cb ((CoglNode *)ctx->default_layer_0, &layer_state); + + pipeline_state.graph = graph; + pipeline_state.parent_id = -1; + pipeline_state.node_id_ptr = &pipeline_id; + pipeline_state.indent = 0; + dump_pipeline_cb ((CoglNode *)ctx->default_pipeline, &pipeline_state); + + g_string_append_printf (graph, "}\n"); + + if (filename) + g_file_set_contents (filename, graph->str, -1, NULL); + else + g_print ("%s", graph->str); + + g_string_free (graph, TRUE); +} diff --git a/cogl/cogl-pipeline-hash-table.c b/cogl/cogl-pipeline-hash-table.c new file mode 100644 index 0000000..9c8e3df --- /dev/null +++ b/cogl/cogl-pipeline-hash-table.c @@ -0,0 +1,233 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-hash-table.h" +#include "cogl-pipeline-cache.h" + +typedef struct +{ + CoglPipelineCacheEntry parent; + + /* Calculating the hash is a little bit expensive for pipelines so + * we don't want to do it repeatedly for entries that are already in + * the hash table. Instead we cache the value here and calculate it + * outside of the GHashTable. */ + unsigned int hash_value; + + /* GHashTable annoyingly doesn't let us pass a user data pointer to + * the hash and equal functions so to work around it we have to + * store the pointer in every hash table entry. We will use this + * entry as both the key and the value */ + CoglPipelineHashTable *hash; + + /* The number of unique pipelines that had been created when this + * pipeline was last accessed */ + int age; +} CoglPipelineHashTableEntry; + +static void +value_destroy_cb (void *value) +{ + CoglPipelineHashTableEntry *entry = value; + + cogl_object_unref (entry->parent.pipeline); + + g_slice_free (CoglPipelineHashTableEntry, entry); +} + +static unsigned int +entry_hash (const void *data) +{ + const CoglPipelineHashTableEntry *entry = data; + + return entry->hash_value; +} + +static CoglBool +entry_equal (const void *a, + const void *b) +{ + const CoglPipelineHashTableEntry *entry_a = a; + const CoglPipelineHashTableEntry *entry_b = b; + const CoglPipelineHashTable *hash = entry_a->hash; + + return _cogl_pipeline_equal (entry_a->parent.pipeline, + entry_b->parent.pipeline, + hash->main_state, + hash->layer_state, + 0); +} + +void +_cogl_pipeline_hash_table_init (CoglPipelineHashTable *hash, + unsigned int main_state, + unsigned int layer_state, + const char *debug_string) +{ + hash->n_unique_pipelines = 0; + hash->debug_string = debug_string; + hash->main_state = main_state; + hash->layer_state = layer_state; + /* We'll only start pruning once we get to 16 unique pipelines */ + hash->expected_min_size = 8; + hash->table = g_hash_table_new_full (entry_hash, + entry_equal, + NULL, /* key destroy */ + value_destroy_cb); +} + +void +_cogl_pipeline_hash_table_destroy (CoglPipelineHashTable *hash) +{ + g_hash_table_destroy (hash->table); +} + +static void +collect_prunable_entries_cb (void *key, + void *value, + void *user_data) +{ + GQueue *entries = user_data; + CoglPipelineCacheEntry *entry = value; + + if (entry->usage_count == 0) + g_queue_push_tail (entries, entry); +} + +static int +compare_pipeline_age_cb (const void *a, + const void *b) +{ + const CoglPipelineHashTableEntry *ae = a; + const CoglPipelineHashTableEntry *be = b; + + return be->age - ae->age; +} + +static void +prune_old_pipelines (CoglPipelineHashTable *hash) +{ + GQueue entries; + GList *l; + int i; + + /* Collect all of the prunable entries into a GQueue */ + g_queue_init (&entries); + g_hash_table_foreach (hash->table, + collect_prunable_entries_cb, + &entries); + + /* Sort the entries by increasing order of age */ + entries.head = g_list_sort (entries.head, compare_pipeline_age_cb); + + /* The +1 is to include the pipeline that we're about to add */ + hash->expected_min_size = (g_hash_table_size (hash->table) - + entries.length + + 1); + + /* Remove oldest half of the prunable pipelines. We still want to + * keep some of the prunable entries that are recently used because + * it's not unlikely that the application will recreate the same + * pipeline */ + for (l = entries.head, i = 0; i < entries.length / 2; l = l->next, i++) + { + CoglPipelineCacheEntry *entry = l->data; + + g_hash_table_remove (hash->table, entry); + } + + g_list_free (entries.head); +} + +CoglPipelineCacheEntry * +_cogl_pipeline_hash_table_get (CoglPipelineHashTable *hash, + CoglPipeline *key_pipeline) +{ + CoglPipelineHashTableEntry dummy_entry; + CoglPipelineHashTableEntry *entry; + unsigned int copy_state; + + dummy_entry.parent.pipeline = key_pipeline; + dummy_entry.hash = hash; + dummy_entry.hash_value = _cogl_pipeline_hash (key_pipeline, + hash->main_state, + hash->layer_state, + 0); + entry = g_hash_table_lookup (hash->table, &dummy_entry); + + if (entry) + { + entry->age = hash->n_unique_pipelines; + return &entry->parent; + } + + if (hash->n_unique_pipelines == 50) + g_warning ("Over 50 separate %s have been generated which is very " + "unusual, so something is probably wrong!\n", + hash->debug_string); + + /* If we are going to have more than twice the expected minimum + * number of pipelines in the hash then we'll try pruning and update + * the minimum */ + if (g_hash_table_size (hash->table) >= hash->expected_min_size * 2) + prune_old_pipelines (hash); + + entry = g_slice_new (CoglPipelineHashTableEntry); + entry->parent.usage_count = 0; + entry->hash = hash; + entry->hash_value = dummy_entry.hash_value; + entry->age = hash->n_unique_pipelines; + + copy_state = hash->main_state; + if (hash->layer_state) + copy_state |= COGL_PIPELINE_STATE_LAYERS; + + /* Create a new pipeline that is a child of the root pipeline + * instead of a normal copy so that the template pipeline won't hold + * a reference to the original pipeline */ + entry->parent.pipeline = _cogl_pipeline_deep_copy (key_pipeline, + copy_state, + hash->layer_state); + + g_hash_table_insert (hash->table, entry, entry); + + hash->n_unique_pipelines++; + + return &entry->parent; +} diff --git a/cogl/cogl-pipeline-hash-table.h b/cogl/cogl-pipeline-hash-table.h new file mode 100644 index 0000000..035e8df --- /dev/null +++ b/cogl/cogl-pipeline-hash-table.h @@ -0,0 +1,81 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_PIPELINE_HASH_H__ +#define __COGL_PIPELINE_HASH_H__ + +#include "cogl-pipeline-cache.h" + +typedef struct +{ + /* Total number of pipelines that were ever added to the hash. This + * is not decremented when a pipeline is removed. It is only used to + * generate a warning if an unusually high number of pipelines are + * generated */ + int n_unique_pipelines; + + /* This is the expected minimum size we could prune the hash table + * to if we were to remove all pipelines that are not in use. This + * is only updated after we prune the table */ + int expected_min_size; + + /* String that will be used to describe the usage of this hash table + * in the debug warning when too many pipelines are generated. This + * must be a static string because it won't be copied or freed */ + const char *debug_string; + + unsigned int main_state; + unsigned int layer_state; + + GHashTable *table; +} CoglPipelineHashTable; + +void +_cogl_pipeline_hash_table_init (CoglPipelineHashTable *hash, + unsigned int main_state, + unsigned int layer_state, + const char *debug_string); + +void +_cogl_pipeline_hash_table_destroy (CoglPipelineHashTable *hash); + +/* + * Gets a pipeline from the hash that has the same state as + * @key_pipeline according to the limited state bits passed to + * _cogl_pipeline_hash_table_init(). If there is no matching pipelines + * already then a copy of key_pipeline is stored in the hash so that + * it will be used next time the function is called with a similar + * pipeline. In that case the copy itself will be returned + */ +CoglPipelineCacheEntry * +_cogl_pipeline_hash_table_get (CoglPipelineHashTable *hash, + CoglPipeline *key_pipeline); + +#endif /* __COGL_PIPELINE_HASH_H__ */ diff --git a/cogl/cogl-pipeline-layer-private.h b/cogl/cogl-pipeline-layer-private.h new file mode 100644 index 0000000..38cd3b5 --- /dev/null +++ b/cogl/cogl-pipeline-layer-private.h @@ -0,0 +1,390 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PIPELINE_LAYER_PRIVATE_H +#define __COGL_PIPELINE_LAYER_PRIVATE_H + +#include "cogl-private.h" +#include "cogl-pipeline.h" +#include "cogl-node-private.h" +#include "cogl-texture.h" +#include "cogl-matrix.h" +#include "cogl-pipeline-layer-state.h" +#include "cogl-pipeline-snippet-private.h" +#include "cogl-sampler-cache-private.h" + +#include + +typedef struct _CoglPipelineLayer CoglPipelineLayer; +#define COGL_PIPELINE_LAYER(OBJECT) ((CoglPipelineLayer *)OBJECT) + +/* XXX: should I rename these as + * COGL_PIPELINE_LAYER_STATE_INDEX_XYZ... ? + */ +typedef enum +{ + /* sparse state */ + COGL_PIPELINE_LAYER_STATE_UNIT_INDEX, + COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE_INDEX, + COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA_INDEX, + COGL_PIPELINE_LAYER_STATE_SAMPLER_INDEX, + COGL_PIPELINE_LAYER_STATE_COMBINE_INDEX, + COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT_INDEX, + COGL_PIPELINE_LAYER_STATE_USER_MATRIX_INDEX, + COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS_INDEX, + COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS_INDEX, + COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS_INDEX, + + /* note: layers don't currently have any non-sparse state */ + + COGL_PIPELINE_LAYER_STATE_SPARSE_COUNT, + COGL_PIPELINE_LAYER_STATE_COUNT = COGL_PIPELINE_LAYER_STATE_SPARSE_COUNT +} CoglPipelineLayerStateIndex; + +/* XXX: If you add or remove state groups here you may need to update + * some of the state masks following this enum too! + * + * FIXME: perhaps it would be better to rename this enum to + * CoglPipelineLayerStateGroup to better convey the fact that a single + * enum here can map to multiple properties. + */ +typedef enum +{ + COGL_PIPELINE_LAYER_STATE_UNIT = + 1L< TEXTURE0 to store + very large layer numbers */ + COGL_PIPELINE_COMBINE_SOURCE_TEXTURE, + COGL_PIPELINE_COMBINE_SOURCE_CONSTANT, + COGL_PIPELINE_COMBINE_SOURCE_PRIMARY_COLOR, + COGL_PIPELINE_COMBINE_SOURCE_PREVIOUS, + COGL_PIPELINE_COMBINE_SOURCE_TEXTURE0 +} CoglPipelineCombineSource; + +typedef enum +{ + /* These are the same values as GL */ + COGL_PIPELINE_COMBINE_OP_SRC_COLOR = 0x0300, + COGL_PIPELINE_COMBINE_OP_ONE_MINUS_SRC_COLOR = 0x0301, + COGL_PIPELINE_COMBINE_OP_SRC_ALPHA = 0x0302, + COGL_PIPELINE_COMBINE_OP_ONE_MINUS_SRC_ALPHA = 0x0303 +} CoglPipelineCombineOp; + +typedef struct +{ + /* The texture combine state determines how the color of individual + * texture fragments are calculated. */ + CoglPipelineCombineFunc texture_combine_rgb_func; + CoglPipelineCombineSource texture_combine_rgb_src[3]; + CoglPipelineCombineOp texture_combine_rgb_op[3]; + + CoglPipelineCombineFunc texture_combine_alpha_func; + CoglPipelineCombineSource texture_combine_alpha_src[3]; + CoglPipelineCombineOp texture_combine_alpha_op[3]; + + float texture_combine_constant[4]; + + /* The texture matrix dscribes how to transform texture coordinates */ + CoglMatrix matrix; + + CoglPipelineSnippetList vertex_snippets; + CoglPipelineSnippetList fragment_snippets; + + CoglBool point_sprite_coords; +} CoglPipelineLayerBigState; + +struct _CoglPipelineLayer +{ + /* XXX: Please think twice about adding members that *have* be + * initialized during a _cogl_pipeline_layer_copy. We are aiming + * to have copies be as cheap as possible and copies may be + * done by the primitives APIs which means they may happen + * in performance critical code paths. + * + * XXX: If you are extending the state we track please consider if + * the state is expected to vary frequently across many pipelines or + * if the state can be shared among many derived pipelines instead. + * This will determine if the state should be added directly to this + * structure which will increase the memory overhead for *all* + * layers or if instead it can go under ->big_state. + */ + + /* Layers represent their state in a tree structure where some of + * the state relating to a given pipeline or layer may actually be + * owned by one if is ancestors in the tree. We have a common data + * type to track the tree heirachy so we can share code... */ + CoglNode _parent; + + /* Some layers have a pipeline owner, which is to say that the layer + * is referenced in that pipelines->layer_differences list. A layer + * doesn't always have an owner and may simply be an ancestor for + * other layers that keeps track of some shared state. */ + CoglPipeline *owner; + + /* The lowest index is blended first then others on top */ + int index; + + /* A mask of which state groups are different in this layer + * in comparison to its parent. */ + unsigned int differences; + + /* Common differences + * + * As a basic way to reduce memory usage we divide the layer + * state into two groups; the minimal state modified in 90% of + * all layers and the rest, so that the second group can + * be allocated dynamically when required. + */ + + /* Each layer is directly associated with a single texture unit */ + int unit_index; + + /* The type of the texture. This is always set even if the texture + is NULL and it will be used to determine what type of texture + lookups to use in any shaders generated by the pipeline + backends. */ + CoglTextureType texture_type; + /* The texture for this layer, or NULL for an empty + * layer */ + CoglTexture *texture; + + const CoglSamplerCacheEntry *sampler_cache_entry; + + /* Infrequent differences aren't currently tracked in + * a separate, dynamically allocated structure as they are + * for pipelines... */ + CoglPipelineLayerBigState *big_state; + + /* bitfields */ + + /* Determines if layer->big_state is valid */ + unsigned int has_big_state:1; + +}; + +typedef CoglBool +(*CoglPipelineLayerStateComparitor) (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1); + + + +void +_cogl_pipeline_init_default_layers (void); + +static inline CoglPipelineLayer * +_cogl_pipeline_layer_get_parent (CoglPipelineLayer *layer) +{ + CoglNode *parent_node = COGL_NODE (layer)->parent; + return COGL_PIPELINE_LAYER (parent_node); +} + +CoglPipelineLayer * +_cogl_pipeline_layer_copy (CoglPipelineLayer *layer); + +void +_cogl_pipeline_layer_resolve_authorities (CoglPipelineLayer *layer, + unsigned long differences, + CoglPipelineLayer **authorities); + +CoglBool +_cogl_pipeline_layer_equal (CoglPipelineLayer *layer0, + CoglPipelineLayer *layer1, + unsigned long differences_mask, + CoglPipelineEvalFlags flags); + +CoglPipelineLayer * +_cogl_pipeline_layer_pre_change_notify (CoglPipeline *required_owner, + CoglPipelineLayer *layer, + CoglPipelineLayerState change); + +void +_cogl_pipeline_layer_prune_redundant_ancestry (CoglPipelineLayer *layer); + +CoglBool +_cogl_pipeline_layer_has_alpha (CoglPipelineLayer *layer); + +CoglBool +_cogl_pipeline_layer_has_user_matrix (CoglPipeline *pipeline, + int layer_index); + +/* + * Calls the pre_paint method on the layer texture if there is + * one. This will determine whether mipmaps are needed based on the + * filter settings. + */ +void +_cogl_pipeline_layer_pre_paint (CoglPipelineLayer *layerr); + +void +_cogl_pipeline_layer_get_wrap_modes (CoglPipelineLayer *layer, + CoglSamplerCacheWrapMode *wrap_mode_s, + CoglSamplerCacheWrapMode *wrap_mode_t, + CoglSamplerCacheWrapMode *wrap_mode_r); + +void +_cogl_pipeline_layer_get_filters (CoglPipelineLayer *layer, + CoglPipelineFilter *min_filter, + CoglPipelineFilter *mag_filter); + +const CoglSamplerCacheEntry * +_cogl_pipeline_layer_get_sampler_state (CoglPipelineLayer *layer); + +void +_cogl_pipeline_get_layer_filters (CoglPipeline *pipeline, + int layer_index, + CoglPipelineFilter *min_filter, + CoglPipelineFilter *mag_filter); + +typedef enum { + COGL_PIPELINE_LAYER_TYPE_TEXTURE +} CoglPipelineLayerType; + +CoglPipelineLayerType +_cogl_pipeline_layer_get_type (CoglPipelineLayer *layer); + +CoglTexture * +_cogl_pipeline_layer_get_texture (CoglPipelineLayer *layer); + +CoglTexture * +_cogl_pipeline_layer_get_texture_real (CoglPipelineLayer *layer); + +CoglTextureType +_cogl_pipeline_layer_get_texture_type (CoglPipelineLayer *layer); + +CoglPipelineFilter +_cogl_pipeline_layer_get_min_filter (CoglPipelineLayer *layer); + +CoglPipelineFilter +_cogl_pipeline_layer_get_mag_filter (CoglPipelineLayer *layer); + +CoglPipelineWrapMode +_cogl_pipeline_layer_get_wrap_mode_s (CoglPipelineLayer *layer); + +CoglPipelineWrapMode +_cogl_pipeline_layer_get_wrap_mode_t (CoglPipelineLayer *layer); + +CoglPipelineWrapMode +_cogl_pipeline_layer_get_wrap_mode_p (CoglPipelineLayer *layer); + +void +_cogl_pipeline_layer_copy_differences (CoglPipelineLayer *dest, + CoglPipelineLayer *src, + unsigned long differences); + +unsigned long +_cogl_pipeline_layer_compare_differences (CoglPipelineLayer *layer0, + CoglPipelineLayer *layer1); + +CoglPipelineLayer * +_cogl_pipeline_layer_get_authority (CoglPipelineLayer *layer, + unsigned long difference); + +CoglTexture * +_cogl_pipeline_layer_get_texture (CoglPipelineLayer *layer); + +int +_cogl_pipeline_layer_get_unit_index (CoglPipelineLayer *layer); + +CoglBool +_cogl_pipeline_layer_needs_combine_separate + (CoglPipelineLayer *combine_authority); + +#endif /* __COGL_PIPELINE_LAYER_PRIVATE_H */ diff --git a/cogl/cogl-pipeline-layer-state-private.h b/cogl/cogl-pipeline-layer-state-private.h new file mode 100644 index 0000000..64e70cf --- /dev/null +++ b/cogl/cogl-pipeline-layer-state-private.h @@ -0,0 +1,141 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PIPELINE_LAYER_STATE_PRIVATE_H +#define __COGL_PIPELINE_LAYER_STATE_PRIVATE_H + +#include "cogl-pipeline-layer-state.h" +#include "cogl-pipeline-private.h" + +CoglPipelineLayer * +_cogl_pipeline_set_layer_unit (CoglPipeline *required_owner, + CoglPipelineLayer *layer, + int unit_index); + +CoglPipelineFilter +_cogl_pipeline_get_layer_min_filter (CoglPipeline *pipeline, + int layer_index); + +CoglPipelineFilter +_cogl_pipeline_get_layer_mag_filter (CoglPipeline *pipeline, + int layer_index); + +CoglBool +_cogl_pipeline_layer_texture_type_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1, + CoglPipelineEvalFlags flags); + +CoglBool +_cogl_pipeline_layer_texture_data_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1, + CoglPipelineEvalFlags flags); + +CoglBool +_cogl_pipeline_layer_combine_state_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1); + +CoglBool +_cogl_pipeline_layer_combine_constant_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1); + +CoglBool +_cogl_pipeline_layer_sampler_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1); + +CoglBool +_cogl_pipeline_layer_user_matrix_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1); + +CoglBool +_cogl_pipeline_layer_point_sprite_coords_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1); + +CoglBool +_cogl_pipeline_layer_vertex_snippets_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1); + +CoglBool +_cogl_pipeline_layer_fragment_snippets_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1); + +void +_cogl_pipeline_layer_hash_unit_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +void +_cogl_pipeline_layer_hash_texture_type_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +void +_cogl_pipeline_layer_hash_texture_data_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +void +_cogl_pipeline_layer_hash_sampler_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +void +_cogl_pipeline_layer_hash_combine_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +void +_cogl_pipeline_layer_hash_combine_constant_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +void +_cogl_pipeline_layer_hash_user_matrix_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +void +_cogl_pipeline_layer_hash_point_sprite_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +void +_cogl_pipeline_layer_hash_vertex_snippets_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +void +_cogl_pipeline_layer_hash_fragment_snippets_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +#endif /* __COGL_PIPELINE_LAYER_STATE_PRIVATE_H */ diff --git a/cogl/cogl-pipeline-layer-state.c b/cogl/cogl-pipeline-layer-state.c new file mode 100644 index 0000000..fb20192 --- /dev/null +++ b/cogl/cogl-pipeline-layer-state.c @@ -0,0 +1,1814 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-blend-string.h" +#include "cogl-util.h" +#include "cogl-matrix.h" +#include "cogl-snippet-private.h" +#include "cogl-texture-private.h" +#include "cogl-pipeline-layer-state-private.h" +#include "cogl-error-private.h" + +#include "string.h" +#if 0 +#include "cogl-context-private.h" +#include "cogl-color-private.h" + +#endif + +/* + * XXX: consider special casing layer->unit_index so it's not a sparse + * property so instead we can assume it's valid for all layer + * instances. + * - We would need to initialize ->unit_index in + * _cogl_pipeline_layer_copy (). + * + * XXX: If you use this API you should consider that the given layer + * might not be writeable and so a new derived layer will be allocated + * and modified instead. The layer modified will be returned so you + * can identify when this happens. + */ +CoglPipelineLayer * +_cogl_pipeline_set_layer_unit (CoglPipeline *required_owner, + CoglPipelineLayer *layer, + int unit_index) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_UNIT; + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, change); + CoglPipelineLayer *new; + + if (authority->unit_index == unit_index) + return layer; + + new = + _cogl_pipeline_layer_pre_change_notify (required_owner, + layer, + change); + if (new != layer) + layer = new; + else + { + /* If the layer we found is currently the authority on the state + * we are changing see if we can revert to one of our ancestors + * being the authority. */ + if (layer == authority && + _cogl_pipeline_layer_get_parent (authority) != NULL) + { + CoglPipelineLayer *parent = + _cogl_pipeline_layer_get_parent (authority); + CoglPipelineLayer *old_authority = + _cogl_pipeline_layer_get_authority (parent, change); + + if (old_authority->unit_index == unit_index) + { + layer->differences &= ~change; + return layer; + } + } + } + + layer->unit_index = unit_index; + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= change; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } + + return layer; +} + +CoglTexture * +_cogl_pipeline_layer_get_texture_real (CoglPipelineLayer *layer) +{ + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA); + + return authority->texture; +} + +CoglTexture * +cogl_pipeline_get_layer_texture (CoglPipeline *pipeline, + int layer_index) +{ + CoglPipelineLayer *layer = + _cogl_pipeline_get_layer (pipeline, layer_index); + return _cogl_pipeline_layer_get_texture (layer); +} + +CoglTextureType +_cogl_pipeline_layer_get_texture_type (CoglPipelineLayer *layer) +{ + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE); + + return authority->texture_type; +} + +static void +_cogl_pipeline_set_layer_texture_type (CoglPipeline *pipeline, + int layer_index, + CoglTextureType texture_type) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + CoglPipelineLayer *new; + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + if (texture_type == authority->texture_type) + return; + + new = _cogl_pipeline_layer_pre_change_notify (pipeline, layer, change); + if (new != layer) + layer = new; + else + { + /* If the original layer we found is currently the authority on + * the state we are changing see if we can revert to one of our + * ancestors being the authority. */ + if (layer == authority && + _cogl_pipeline_layer_get_parent (authority) != NULL) + { + CoglPipelineLayer *parent = + _cogl_pipeline_layer_get_parent (authority); + CoglPipelineLayer *old_authority = + _cogl_pipeline_layer_get_authority (parent, change); + + if (old_authority->texture_type == texture_type) + { + layer->differences &= ~change; + + g_assert (layer->owner == pipeline); + if (layer->differences == 0) + _cogl_pipeline_prune_empty_layer_difference (pipeline, + layer); + goto changed; + } + } + } + + layer->texture_type = texture_type; + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= change; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } + +changed: + + pipeline->dirty_real_blend_enable = TRUE; +} + +static void +_cogl_pipeline_set_layer_texture_data (CoglPipeline *pipeline, + int layer_index, + CoglTexture *texture) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + CoglPipelineLayer *new; + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + if (authority->texture == texture) + return; + + new = _cogl_pipeline_layer_pre_change_notify (pipeline, layer, change); + if (new != layer) + layer = new; + else + { + /* If the original layer we found is currently the authority on + * the state we are changing see if we can revert to one of our + * ancestors being the authority. */ + if (layer == authority && + _cogl_pipeline_layer_get_parent (authority) != NULL) + { + CoglPipelineLayer *parent = + _cogl_pipeline_layer_get_parent (authority); + CoglPipelineLayer *old_authority = + _cogl_pipeline_layer_get_authority (parent, change); + + if (old_authority->texture == texture) + { + layer->differences &= ~change; + + if (layer->texture != NULL) + cogl_object_unref (layer->texture); + + g_assert (layer->owner == pipeline); + if (layer->differences == 0) + _cogl_pipeline_prune_empty_layer_difference (pipeline, + layer); + goto changed; + } + } + } + + if (texture != NULL) + cogl_object_ref (texture); + if (layer == authority && + layer->texture != NULL) + cogl_object_unref (layer->texture); + layer->texture = texture; + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= change; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } + +changed: + + pipeline->dirty_real_blend_enable = TRUE; +} + +void +cogl_pipeline_set_layer_texture (CoglPipeline *pipeline, + int layer_index, + CoglTexture *texture) +{ + /* For the convenience of fragend code we separate texture state + * into the "type" and the "data", and setting a layer texture + * updates both of these properties. + * + * One example for why this is helpful is that the fragends may + * cache programs they generate and want to re-use those programs + * with all pipelines having equivalent fragment processing state. + * For the sake of determining if pipelines have equivalent fragment + * processing state we don't need to compare that the same + * underlying texture objects are referenced by the pipelines but we + * do need to see if they use the same texture types. Making this + * distinction is much simpler if they are in different state + * groups. + * + * Note: if a NULL texture is set then we leave the type unchanged + * so we can avoid needlessly invalidating any associated fragment + * program. + */ + if (texture) + { + CoglTextureType texture_type = + _cogl_texture_get_type (texture); + _cogl_pipeline_set_layer_texture_type (pipeline, + layer_index, + texture_type); + } + _cogl_pipeline_set_layer_texture_data (pipeline, layer_index, texture); +} + +void +cogl_pipeline_set_layer_null_texture (CoglPipeline *pipeline, + int layer_index, + CoglTextureType texture_type) +{ + CoglContext *ctx = _cogl_context_get_default (); + + /* Disallow setting texture types that aren't supported */ + switch (texture_type) + { + case COGL_TEXTURE_TYPE_2D: + break; + + case COGL_TEXTURE_TYPE_3D: + if (ctx->default_gl_texture_3d_tex == NULL) + { + g_warning ("The default 3D texture was set on a pipeline but " + "3D textures are not supported"); + texture_type = COGL_TEXTURE_TYPE_2D; + return; + } + break; + + case COGL_TEXTURE_TYPE_RECTANGLE: + if (ctx->default_gl_texture_rect_tex == NULL) + { + g_warning ("The default rectangle texture was set on a pipeline but " + "rectangle textures are not supported"); + texture_type = COGL_TEXTURE_TYPE_2D; + } + break; + } + + _cogl_pipeline_set_layer_texture_type (pipeline, layer_index, texture_type); + _cogl_pipeline_set_layer_texture_data (pipeline, layer_index, NULL); +} + +static void +_cogl_pipeline_set_layer_sampler_state (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + CoglPipelineLayer *authority, + const CoglSamplerCacheEntry *state) +{ + CoglPipelineLayer *new; + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_SAMPLER; + + if (authority->sampler_cache_entry == state) + return; + + new = _cogl_pipeline_layer_pre_change_notify (pipeline, layer, change); + if (new != layer) + layer = new; + else + { + /* If the original layer we found is currently the authority on + * the state we are changing see if we can revert to one of our + * ancestors being the authority. */ + if (layer == authority && + _cogl_pipeline_layer_get_parent (authority) != NULL) + { + CoglPipelineLayer *parent = + _cogl_pipeline_layer_get_parent (authority); + CoglPipelineLayer *old_authority = + _cogl_pipeline_layer_get_authority (parent, change); + + if (old_authority->sampler_cache_entry == state) + { + layer->differences &= ~change; + + g_assert (layer->owner == pipeline); + if (layer->differences == 0) + _cogl_pipeline_prune_empty_layer_difference (pipeline, + layer); + return; + } + } + } + + layer->sampler_cache_entry = state; + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= change; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } +} + +static CoglSamplerCacheWrapMode +public_to_internal_wrap_mode (CoglPipelineWrapMode mode) +{ + return (CoglSamplerCacheWrapMode)mode; +} + +static CoglPipelineWrapMode +internal_to_public_wrap_mode (CoglSamplerCacheWrapMode internal_mode) +{ + _COGL_RETURN_VAL_IF_FAIL (internal_mode != + COGL_SAMPLER_CACHE_WRAP_MODE_CLAMP_TO_BORDER, + COGL_PIPELINE_WRAP_MODE_AUTOMATIC); + return (CoglPipelineWrapMode)internal_mode; +} + +void +cogl_pipeline_set_layer_wrap_mode_s (CoglPipeline *pipeline, + int layer_index, + CoglPipelineWrapMode mode) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_SAMPLER; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + CoglSamplerCacheWrapMode internal_mode = + public_to_internal_wrap_mode (mode); + const CoglSamplerCacheEntry *sampler_state; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + sampler_state = + _cogl_sampler_cache_update_wrap_modes (ctx->sampler_cache, + authority->sampler_cache_entry, + internal_mode, + authority->sampler_cache_entry-> + wrap_mode_t, + authority->sampler_cache_entry-> + wrap_mode_p); + _cogl_pipeline_set_layer_sampler_state (pipeline, + layer, + authority, + sampler_state); +} + +void +cogl_pipeline_set_layer_wrap_mode_t (CoglPipeline *pipeline, + int layer_index, + CoglPipelineWrapMode mode) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_SAMPLER; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + CoglSamplerCacheWrapMode internal_mode = + public_to_internal_wrap_mode (mode); + const CoglSamplerCacheEntry *sampler_state; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + sampler_state = + _cogl_sampler_cache_update_wrap_modes (ctx->sampler_cache, + authority->sampler_cache_entry, + authority->sampler_cache_entry-> + wrap_mode_s, + internal_mode, + authority->sampler_cache_entry-> + wrap_mode_p); + _cogl_pipeline_set_layer_sampler_state (pipeline, + layer, + authority, + sampler_state); +} + +/* The rationale for naming the third texture coordinate 'p' instead + of OpenGL's usual 'r' is that 'r' conflicts with the usual naming + of the 'red' component when treating a vector as a color. Under + GLSL this is awkward because the texture swizzling for a vector + uses a single letter for each component and the names for colors, + textures and positions are synonymous. GLSL works around this by + naming the components of the texture s, t, p and q. Cogl already + effectively already exposes this naming because it exposes GLSL so + it makes sense to use that naming consistently. Another alternative + could be u, v and w. This is what Blender and Direct3D use. However + the w component conflicts with the w component of a position + vertex. */ +void +cogl_pipeline_set_layer_wrap_mode_p (CoglPipeline *pipeline, + int layer_index, + CoglPipelineWrapMode mode) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_SAMPLER; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + CoglSamplerCacheWrapMode internal_mode = + public_to_internal_wrap_mode (mode); + const CoglSamplerCacheEntry *sampler_state; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + sampler_state = + _cogl_sampler_cache_update_wrap_modes (ctx->sampler_cache, + authority->sampler_cache_entry, + authority->sampler_cache_entry-> + wrap_mode_s, + authority->sampler_cache_entry-> + wrap_mode_t, + internal_mode); + _cogl_pipeline_set_layer_sampler_state (pipeline, + layer, + authority, + sampler_state); +} + +void +cogl_pipeline_set_layer_wrap_mode (CoglPipeline *pipeline, + int layer_index, + CoglPipelineWrapMode mode) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_SAMPLER; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + CoglSamplerCacheWrapMode internal_mode = + public_to_internal_wrap_mode (mode); + const CoglSamplerCacheEntry *sampler_state; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + sampler_state = + _cogl_sampler_cache_update_wrap_modes (ctx->sampler_cache, + authority->sampler_cache_entry, + internal_mode, + internal_mode, + internal_mode); + _cogl_pipeline_set_layer_sampler_state (pipeline, + layer, + authority, + sampler_state); + /* XXX: I wonder if we should really be duplicating the mode into + * the 'p' wrap mode too? */ +} + +/* FIXME: deprecate this API */ +CoglPipelineWrapMode +_cogl_pipeline_layer_get_wrap_mode_s (CoglPipelineLayer *layer) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_SAMPLER; + CoglPipelineLayer *authority; + const CoglSamplerCacheEntry *sampler_state; + + _COGL_RETURN_VAL_IF_FAIL (_cogl_is_pipeline_layer (layer), FALSE); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + sampler_state = authority->sampler_cache_entry; + return internal_to_public_wrap_mode (sampler_state->wrap_mode_s); +} + +CoglPipelineWrapMode +cogl_pipeline_get_layer_wrap_mode_s (CoglPipeline *pipeline, int layer_index) +{ + CoglPipelineLayer *layer; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + /* FIXME: we shouldn't ever construct a layer in a getter function */ + + return _cogl_pipeline_layer_get_wrap_mode_s (layer); +} + +/* FIXME: deprecate this API */ +CoglPipelineWrapMode +_cogl_pipeline_layer_get_wrap_mode_t (CoglPipelineLayer *layer) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_SAMPLER; + CoglPipelineLayer *authority; + const CoglSamplerCacheEntry *sampler_state; + + _COGL_RETURN_VAL_IF_FAIL (_cogl_is_pipeline_layer (layer), FALSE); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + sampler_state = authority->sampler_cache_entry; + return internal_to_public_wrap_mode (sampler_state->wrap_mode_t); +} + +CoglPipelineWrapMode +cogl_pipeline_get_layer_wrap_mode_t (CoglPipeline *pipeline, int layer_index) +{ + CoglPipelineLayer *layer; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + /* FIXME: we shouldn't ever construct a layer in a getter function */ + + return _cogl_pipeline_layer_get_wrap_mode_t (layer); +} + +CoglPipelineWrapMode +_cogl_pipeline_layer_get_wrap_mode_p (CoglPipelineLayer *layer) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_SAMPLER; + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, change); + const CoglSamplerCacheEntry *sampler_state; + + sampler_state = authority->sampler_cache_entry; + return internal_to_public_wrap_mode (sampler_state->wrap_mode_p); +} + +CoglPipelineWrapMode +cogl_pipeline_get_layer_wrap_mode_p (CoglPipeline *pipeline, int layer_index) +{ + CoglPipelineLayer *layer; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + return _cogl_pipeline_layer_get_wrap_mode_p (layer); +} + +void +_cogl_pipeline_layer_get_wrap_modes (CoglPipelineLayer *layer, + CoglSamplerCacheWrapMode *wrap_mode_s, + CoglSamplerCacheWrapMode *wrap_mode_t, + CoglSamplerCacheWrapMode *wrap_mode_p) +{ + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_SAMPLER); + + *wrap_mode_s = authority->sampler_cache_entry->wrap_mode_s; + *wrap_mode_t = authority->sampler_cache_entry->wrap_mode_t; + *wrap_mode_p = authority->sampler_cache_entry->wrap_mode_p; +} + +CoglBool +cogl_pipeline_set_layer_point_sprite_coords_enabled (CoglPipeline *pipeline, + int layer_index, + CoglBool enable, + CoglError **error) +{ + CoglPipelineLayerState change = + COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS; + CoglPipelineLayer *layer; + CoglPipelineLayer *new; + CoglPipelineLayer *authority; + + _COGL_GET_CONTEXT (ctx, FALSE); + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + /* Don't allow point sprite coordinates to be enabled if the driver + doesn't support it */ + if (enable && !cogl_has_feature (ctx, COGL_FEATURE_ID_POINT_SPRITE)) + { + if (error) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Point sprite texture coordinates are enabled for " + "a layer but the GL driver does not support it."); + } + else + { + static CoglBool warning_seen = FALSE; + if (!warning_seen) + g_warning ("Point sprite texture coordinates are enabled " + "for a layer but the GL driver does not support it."); + warning_seen = TRUE; + } + + return FALSE; + } + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + if (authority->big_state->point_sprite_coords == enable) + return TRUE; + + new = _cogl_pipeline_layer_pre_change_notify (pipeline, layer, change); + if (new != layer) + layer = new; + else + { + /* If the original layer we found is currently the authority on + * the state we are changing see if we can revert to one of our + * ancestors being the authority. */ + if (layer == authority && + _cogl_pipeline_layer_get_parent (authority) != NULL) + { + CoglPipelineLayer *parent = + _cogl_pipeline_layer_get_parent (authority); + CoglPipelineLayer *old_authority = + _cogl_pipeline_layer_get_authority (parent, change); + + if (old_authority->big_state->point_sprite_coords == enable) + { + layer->differences &= ~change; + + g_assert (layer->owner == pipeline); + if (layer->differences == 0) + _cogl_pipeline_prune_empty_layer_difference (pipeline, + layer); + return TRUE; + } + } + } + + layer->big_state->point_sprite_coords = enable; + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= change; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } + + return TRUE; +} + +CoglBool +cogl_pipeline_get_layer_point_sprite_coords_enabled (CoglPipeline *pipeline, + int layer_index) +{ + CoglPipelineLayerState change = + COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + /* FIXME: we shouldn't ever construct a layer in a getter function */ + + authority = _cogl_pipeline_layer_get_authority (layer, change); + + return authority->big_state->point_sprite_coords; +} + +static void +_cogl_pipeline_layer_add_vertex_snippet (CoglPipeline *pipeline, + int layer_index, + CoglSnippet *snippet) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS; + CoglPipelineLayer *layer, *authority; + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + layer = _cogl_pipeline_layer_pre_change_notify (pipeline, layer, change); + + _cogl_pipeline_snippet_list_add (&layer->big_state->vertex_snippets, + snippet); + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= change; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } +} + +static void +_cogl_pipeline_layer_add_fragment_snippet (CoglPipeline *pipeline, + int layer_index, + CoglSnippet *snippet) +{ + CoglPipelineLayerState change = COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS; + CoglPipelineLayer *layer, *authority; + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, change); + + layer = _cogl_pipeline_layer_pre_change_notify (pipeline, layer, change); + + _cogl_pipeline_snippet_list_add (&layer->big_state->fragment_snippets, + snippet); + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= change; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } +} + +void +cogl_pipeline_add_layer_snippet (CoglPipeline *pipeline, + int layer_index, + CoglSnippet *snippet) +{ + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + _COGL_RETURN_IF_FAIL (cogl_is_snippet (snippet)); + _COGL_RETURN_IF_FAIL (snippet->hook >= COGL_SNIPPET_FIRST_LAYER_HOOK); + + if (snippet->hook < COGL_SNIPPET_FIRST_LAYER_FRAGMENT_HOOK) + _cogl_pipeline_layer_add_vertex_snippet (pipeline, + layer_index, + snippet); + else + _cogl_pipeline_layer_add_fragment_snippet (pipeline, + layer_index, + snippet); +} + +CoglBool +_cogl_pipeline_layer_texture_type_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1, + CoglPipelineEvalFlags flags) +{ + return authority0->texture_type == authority1->texture_type; +} + +CoglBool +_cogl_pipeline_layer_texture_data_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1, + CoglPipelineEvalFlags flags) +{ + if (authority0->texture == NULL) + { + if (authority1->texture == NULL) + return (_cogl_pipeline_layer_get_texture_type (authority0) == + _cogl_pipeline_layer_get_texture_type (authority1)); + else + return FALSE; + } + else if (authority1->texture == NULL) + return FALSE; + else + { + GLuint gl_handle0, gl_handle1; + + cogl_texture_get_gl_texture (authority0->texture, &gl_handle0, NULL); + cogl_texture_get_gl_texture (authority1->texture, &gl_handle1, NULL); + + return gl_handle0 == gl_handle1; + } +} + +CoglBool +_cogl_pipeline_layer_combine_state_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1) +{ + CoglPipelineLayerBigState *big_state0 = authority0->big_state; + CoglPipelineLayerBigState *big_state1 = authority1->big_state; + int n_args; + int i; + + if (big_state0->texture_combine_rgb_func != + big_state1->texture_combine_rgb_func) + return FALSE; + + if (big_state0->texture_combine_alpha_func != + big_state1->texture_combine_alpha_func) + return FALSE; + + n_args = + _cogl_get_n_args_for_combine_func (big_state0->texture_combine_rgb_func); + for (i = 0; i < n_args; i++) + { + if ((big_state0->texture_combine_rgb_src[i] != + big_state1->texture_combine_rgb_src[i]) || + (big_state0->texture_combine_rgb_op[i] != + big_state1->texture_combine_rgb_op[i])) + return FALSE; + } + + n_args = + _cogl_get_n_args_for_combine_func (big_state0->texture_combine_alpha_func); + for (i = 0; i < n_args; i++) + { + if ((big_state0->texture_combine_alpha_src[i] != + big_state1->texture_combine_alpha_src[i]) || + (big_state0->texture_combine_alpha_op[i] != + big_state1->texture_combine_alpha_op[i])) + return FALSE; + } + + return TRUE; +} + +CoglBool +_cogl_pipeline_layer_combine_constant_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1) +{ + return memcmp (authority0->big_state->texture_combine_constant, + authority1->big_state->texture_combine_constant, + sizeof (float) * 4) == 0 ? TRUE : FALSE; +} + +CoglBool +_cogl_pipeline_layer_sampler_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1) +{ + /* We compare the actual sampler objects rather than just the entry + pointers because two states with different values can lead to the + same state in GL terms when AUTOMATIC is used as a wrap mode */ + return (authority0->sampler_cache_entry->sampler_object == + authority1->sampler_cache_entry->sampler_object); +} + +CoglBool +_cogl_pipeline_layer_user_matrix_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1) +{ + CoglPipelineLayerBigState *big_state0 = authority0->big_state; + CoglPipelineLayerBigState *big_state1 = authority1->big_state; + + if (!cogl_matrix_equal (&big_state0->matrix, &big_state1->matrix)) + return FALSE; + + return TRUE; +} + +CoglBool +_cogl_pipeline_layer_point_sprite_coords_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1) +{ + CoglPipelineLayerBigState *big_state0 = authority0->big_state; + CoglPipelineLayerBigState *big_state1 = authority1->big_state; + + return big_state0->point_sprite_coords == big_state1->point_sprite_coords; +} + +CoglBool +_cogl_pipeline_layer_vertex_snippets_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1) +{ + return _cogl_pipeline_snippet_list_equal (&authority0->big_state-> + vertex_snippets, + &authority1->big_state-> + vertex_snippets); +} + +CoglBool +_cogl_pipeline_layer_fragment_snippets_equal (CoglPipelineLayer *authority0, + CoglPipelineLayer *authority1) +{ + return _cogl_pipeline_snippet_list_equal (&authority0->big_state-> + fragment_snippets, + &authority1->big_state-> + fragment_snippets); +} + +static void +setup_texture_combine_state (CoglBlendStringStatement *statement, + CoglPipelineCombineFunc *texture_combine_func, + CoglPipelineCombineSource *texture_combine_src, + CoglPipelineCombineOp *texture_combine_op) +{ + int i; + + switch (statement->function->type) + { + case COGL_BLEND_STRING_FUNCTION_REPLACE: + *texture_combine_func = COGL_PIPELINE_COMBINE_FUNC_REPLACE; + break; + case COGL_BLEND_STRING_FUNCTION_MODULATE: + *texture_combine_func = COGL_PIPELINE_COMBINE_FUNC_MODULATE; + break; + case COGL_BLEND_STRING_FUNCTION_ADD: + *texture_combine_func = COGL_PIPELINE_COMBINE_FUNC_ADD; + break; + case COGL_BLEND_STRING_FUNCTION_ADD_SIGNED: + *texture_combine_func = COGL_PIPELINE_COMBINE_FUNC_ADD_SIGNED; + break; + case COGL_BLEND_STRING_FUNCTION_INTERPOLATE: + *texture_combine_func = COGL_PIPELINE_COMBINE_FUNC_INTERPOLATE; + break; + case COGL_BLEND_STRING_FUNCTION_SUBTRACT: + *texture_combine_func = COGL_PIPELINE_COMBINE_FUNC_SUBTRACT; + break; + case COGL_BLEND_STRING_FUNCTION_DOT3_RGB: + *texture_combine_func = COGL_PIPELINE_COMBINE_FUNC_DOT3_RGB; + break; + case COGL_BLEND_STRING_FUNCTION_DOT3_RGBA: + *texture_combine_func = COGL_PIPELINE_COMBINE_FUNC_DOT3_RGBA; + break; + } + + for (i = 0; i < statement->function->argc; i++) + { + CoglBlendStringArgument *arg = &statement->args[i]; + + switch (arg->source.info->type) + { + case COGL_BLEND_STRING_COLOR_SOURCE_CONSTANT: + texture_combine_src[i] = COGL_PIPELINE_COMBINE_SOURCE_CONSTANT; + break; + case COGL_BLEND_STRING_COLOR_SOURCE_TEXTURE: + texture_combine_src[i] = COGL_PIPELINE_COMBINE_SOURCE_TEXTURE; + break; + case COGL_BLEND_STRING_COLOR_SOURCE_TEXTURE_N: + texture_combine_src[i] = + COGL_PIPELINE_COMBINE_SOURCE_TEXTURE0 + arg->source.texture; + break; + case COGL_BLEND_STRING_COLOR_SOURCE_PRIMARY: + texture_combine_src[i] = COGL_PIPELINE_COMBINE_SOURCE_PRIMARY_COLOR; + break; + case COGL_BLEND_STRING_COLOR_SOURCE_PREVIOUS: + texture_combine_src[i] = COGL_PIPELINE_COMBINE_SOURCE_PREVIOUS; + break; + default: + g_warning ("Unexpected texture combine source"); + texture_combine_src[i] = COGL_PIPELINE_COMBINE_SOURCE_TEXTURE; + } + + if (arg->source.mask == COGL_BLEND_STRING_CHANNEL_MASK_RGB) + { + if (statement->args[i].source.one_minus) + texture_combine_op[i] = + COGL_PIPELINE_COMBINE_OP_ONE_MINUS_SRC_COLOR; + else + texture_combine_op[i] = COGL_PIPELINE_COMBINE_OP_SRC_COLOR; + } + else + { + if (statement->args[i].source.one_minus) + texture_combine_op[i] = + COGL_PIPELINE_COMBINE_OP_ONE_MINUS_SRC_ALPHA; + else + texture_combine_op[i] = COGL_PIPELINE_COMBINE_OP_SRC_ALPHA; + } + } +} + +CoglBool +cogl_pipeline_set_layer_combine (CoglPipeline *pipeline, + int layer_index, + const char *combine_description, + CoglError **error) +{ + CoglPipelineLayerState state = COGL_PIPELINE_LAYER_STATE_COMBINE; + CoglPipelineLayer *authority; + CoglPipelineLayer *layer; + CoglBlendStringStatement statements[2]; + CoglBlendStringStatement split[2]; + CoglBlendStringStatement *rgb; + CoglBlendStringStatement *a; + int count; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, state); + + count = + _cogl_blend_string_compile (combine_description, + COGL_BLEND_STRING_CONTEXT_TEXTURE_COMBINE, + statements, + error); + if (!count) + return FALSE; + + if (statements[0].mask == COGL_BLEND_STRING_CHANNEL_MASK_RGBA) + { + _cogl_blend_string_split_rgba_statement (statements, + &split[0], &split[1]); + rgb = &split[0]; + a = &split[1]; + } + else + { + rgb = &statements[0]; + a = &statements[1]; + } + + /* FIXME: compare the new state with the current state! */ + + /* possibly flush primitives referencing the current state... */ + layer = _cogl_pipeline_layer_pre_change_notify (pipeline, layer, state); + + setup_texture_combine_state (rgb, + &layer->big_state->texture_combine_rgb_func, + layer->big_state->texture_combine_rgb_src, + layer->big_state->texture_combine_rgb_op); + + setup_texture_combine_state (a, + &layer->big_state->texture_combine_alpha_func, + layer->big_state->texture_combine_alpha_src, + layer->big_state->texture_combine_alpha_op); + + /* If the original layer we found is currently the authority on + * the state we are changing see if we can revert to one of our + * ancestors being the authority. */ + if (layer == authority && + _cogl_pipeline_layer_get_parent (authority) != NULL) + { + CoglPipelineLayer *parent = _cogl_pipeline_layer_get_parent (authority); + CoglPipelineLayer *old_authority = + _cogl_pipeline_layer_get_authority (parent, state); + + if (_cogl_pipeline_layer_combine_state_equal (authority, + old_authority)) + { + layer->differences &= ~state; + + g_assert (layer->owner == pipeline); + if (layer->differences == 0) + _cogl_pipeline_prune_empty_layer_difference (pipeline, + layer); + goto changed; + } + } + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= state; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } + +changed: + + pipeline->dirty_real_blend_enable = TRUE; + return TRUE; +} + +void +cogl_pipeline_set_layer_combine_constant (CoglPipeline *pipeline, + int layer_index, + const CoglColor *constant_color) +{ + CoglPipelineLayerState state = COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + CoglPipelineLayer *new; + float color_as_floats[4]; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, state); + + color_as_floats[0] = cogl_color_get_red_float (constant_color); + color_as_floats[1] = cogl_color_get_green_float (constant_color); + color_as_floats[2] = cogl_color_get_blue_float (constant_color); + color_as_floats[3] = cogl_color_get_alpha_float (constant_color); + + if (memcmp (authority->big_state->texture_combine_constant, + color_as_floats, sizeof (float) * 4) == 0) + return; + + new = _cogl_pipeline_layer_pre_change_notify (pipeline, layer, state); + if (new != layer) + layer = new; + else + { + /* If the original layer we found is currently the authority on + * the state we are changing see if we can revert to one of our + * ancestors being the authority. */ + if (layer == authority && + _cogl_pipeline_layer_get_parent (authority) != NULL) + { + CoglPipelineLayer *parent = + _cogl_pipeline_layer_get_parent (authority); + CoglPipelineLayer *old_authority = + _cogl_pipeline_layer_get_authority (parent, state); + CoglPipelineLayerBigState *old_big_state = old_authority->big_state; + + if (memcmp (old_big_state->texture_combine_constant, + color_as_floats, sizeof (float) * 4) == 0) + { + layer->differences &= ~state; + + g_assert (layer->owner == pipeline); + if (layer->differences == 0) + _cogl_pipeline_prune_empty_layer_difference (pipeline, + layer); + goto changed; + } + } + } + + memcpy (layer->big_state->texture_combine_constant, + color_as_floats, + sizeof (color_as_floats)); + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= state; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } + +changed: + + pipeline->dirty_real_blend_enable = TRUE; +} + +void +_cogl_pipeline_get_layer_combine_constant (CoglPipeline *pipeline, + int layer_index, + float *constant) +{ + CoglPipelineLayerState change = + COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + /* FIXME: we shouldn't ever construct a layer in a getter function */ + + authority = _cogl_pipeline_layer_get_authority (layer, change); + memcpy (constant, authority->big_state->texture_combine_constant, + sizeof (float) * 4); +} + +/* We should probably make a public API version of this that has a + matrix out-param. For an internal API it's good to be able to avoid + copying the matrix */ +const CoglMatrix * +_cogl_pipeline_get_layer_matrix (CoglPipeline *pipeline, int layer_index) +{ + CoglPipelineLayerState change = + COGL_PIPELINE_LAYER_STATE_USER_MATRIX; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), NULL); + + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + authority = _cogl_pipeline_layer_get_authority (layer, change); + return &authority->big_state->matrix; +} + +void +cogl_pipeline_set_layer_matrix (CoglPipeline *pipeline, + int layer_index, + const CoglMatrix *matrix) +{ + CoglPipelineLayerState state = COGL_PIPELINE_LAYER_STATE_USER_MATRIX; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + CoglPipelineLayer *new; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, state); + + if (cogl_matrix_equal (matrix, &authority->big_state->matrix)) + return; + + new = _cogl_pipeline_layer_pre_change_notify (pipeline, layer, state); + if (new != layer) + layer = new; + else + { + /* If the original layer we found is currently the authority on + * the state we are changing see if we can revert to one of our + * ancestors being the authority. */ + if (layer == authority && + _cogl_pipeline_layer_get_parent (authority) != NULL) + { + CoglPipelineLayer *parent = + _cogl_pipeline_layer_get_parent (authority); + CoglPipelineLayer *old_authority = + _cogl_pipeline_layer_get_authority (parent, state); + + if (cogl_matrix_equal (matrix, &old_authority->big_state->matrix)) + { + layer->differences &= ~state; + + g_assert (layer->owner == pipeline); + if (layer->differences == 0) + _cogl_pipeline_prune_empty_layer_difference (pipeline, + layer); + return; + } + } + } + + layer->big_state->matrix = *matrix; + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (layer != authority) + { + layer->differences |= state; + _cogl_pipeline_layer_prune_redundant_ancestry (layer); + } +} + +CoglTexture * +_cogl_pipeline_layer_get_texture (CoglPipelineLayer *layer) +{ + _COGL_RETURN_VAL_IF_FAIL (_cogl_is_pipeline_layer (layer), NULL); + + return _cogl_pipeline_layer_get_texture_real (layer); +} + +CoglBool +_cogl_pipeline_layer_has_user_matrix (CoglPipeline *pipeline, + int layer_index) +{ + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_USER_MATRIX); + + /* If the authority is the default pipeline then no, otherwise yes */ + return _cogl_pipeline_layer_get_parent (authority) ? TRUE : FALSE; +} + +void +_cogl_pipeline_layer_get_filters (CoglPipelineLayer *layer, + CoglPipelineFilter *min_filter, + CoglPipelineFilter *mag_filter) +{ + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_SAMPLER); + + *min_filter = authority->sampler_cache_entry->min_filter; + *mag_filter = authority->sampler_cache_entry->mag_filter; +} + +void +_cogl_pipeline_get_layer_filters (CoglPipeline *pipeline, + int layer_index, + CoglPipelineFilter *min_filter, + CoglPipelineFilter *mag_filter) +{ + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_SAMPLER); + + *min_filter = authority->sampler_cache_entry->min_filter; + *mag_filter = authority->sampler_cache_entry->mag_filter; +} + +CoglPipelineFilter +cogl_pipeline_get_layer_min_filter (CoglPipeline *pipeline, + int layer_index) +{ + CoglPipelineFilter min_filter; + CoglPipelineFilter mag_filter; + + _cogl_pipeline_get_layer_filters (pipeline, layer_index, + &min_filter, &mag_filter); + return min_filter; +} + +CoglPipelineFilter +cogl_pipeline_get_layer_mag_filter (CoglPipeline *pipeline, + int layer_index) +{ + CoglPipelineFilter min_filter; + CoglPipelineFilter mag_filter; + + _cogl_pipeline_get_layer_filters (pipeline, layer_index, + &min_filter, &mag_filter); + return mag_filter; +} + +CoglPipelineFilter +_cogl_pipeline_layer_get_min_filter (CoglPipelineLayer *layer) +{ + CoglPipelineLayer *authority; + + _COGL_RETURN_VAL_IF_FAIL (_cogl_is_pipeline_layer (layer), 0); + + authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_SAMPLER); + + return authority->sampler_cache_entry->min_filter; +} + +CoglPipelineFilter +_cogl_pipeline_layer_get_mag_filter (CoglPipelineLayer *layer) +{ + CoglPipelineLayer *authority; + + _COGL_RETURN_VAL_IF_FAIL (_cogl_is_pipeline_layer (layer), 0); + + authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_SAMPLER); + + return authority->sampler_cache_entry->mag_filter; +} + +void +cogl_pipeline_set_layer_filters (CoglPipeline *pipeline, + int layer_index, + CoglPipelineFilter min_filter, + CoglPipelineFilter mag_filter) +{ + CoglPipelineLayerState state = COGL_PIPELINE_LAYER_STATE_SAMPLER; + CoglPipelineLayer *layer; + CoglPipelineLayer *authority; + const CoglSamplerCacheEntry *sampler_state; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + _COGL_RETURN_IF_FAIL (mag_filter == COGL_PIPELINE_FILTER_NEAREST || + mag_filter == COGL_PIPELINE_FILTER_LINEAR); + + /* Note: this will ensure that the layer exists, creating one if it + * doesn't already. + * + * Note: If the layer already existed it's possibly owned by another + * pipeline. If the layer is created then it will be owned by + * pipeline. */ + layer = _cogl_pipeline_get_layer (pipeline, layer_index); + + /* Now find the ancestor of the layer that is the authority for the + * state we want to change */ + authority = _cogl_pipeline_layer_get_authority (layer, state); + + sampler_state = + _cogl_sampler_cache_update_filters (ctx->sampler_cache, + authority->sampler_cache_entry, + min_filter, + mag_filter); + _cogl_pipeline_set_layer_sampler_state (pipeline, + layer, + authority, + sampler_state); +} + +const CoglSamplerCacheEntry * +_cogl_pipeline_layer_get_sampler_state (CoglPipelineLayer *layer) +{ + CoglPipelineLayer *authority; + + authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_SAMPLER); + + return authority->sampler_cache_entry; +} + +void +_cogl_pipeline_layer_hash_unit_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + int unit = authority->unit_index; + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, &unit, sizeof (unit)); +} + +void +_cogl_pipeline_layer_hash_texture_type_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + CoglTextureType texture_type = authority->texture_type; + + state->hash = _cogl_util_one_at_a_time_hash (state->hash, + &texture_type, + sizeof (texture_type)); +} + +void +_cogl_pipeline_layer_hash_texture_data_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + GLuint gl_handle; + + cogl_texture_get_gl_texture (authority->texture, &gl_handle, NULL); + + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, &gl_handle, sizeof (gl_handle)); +} + +void +_cogl_pipeline_layer_hash_sampler_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, + &authority->sampler_cache_entry, + sizeof (authority->sampler_cache_entry)); +} + +void +_cogl_pipeline_layer_hash_combine_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + unsigned int hash = state->hash; + CoglPipelineLayerBigState *b = authority->big_state; + int n_args; + int i; + + hash = _cogl_util_one_at_a_time_hash (hash, &b->texture_combine_rgb_func, + sizeof (b->texture_combine_rgb_func)); + n_args = _cogl_get_n_args_for_combine_func (b->texture_combine_rgb_func); + for (i = 0; i < n_args; i++) + { + hash = + _cogl_util_one_at_a_time_hash (hash, &b->texture_combine_rgb_src[i], + sizeof (b->texture_combine_rgb_src[i])); + hash = + _cogl_util_one_at_a_time_hash (hash, &b->texture_combine_rgb_op[i], + sizeof (b->texture_combine_rgb_op[i])); + } + + hash = _cogl_util_one_at_a_time_hash (hash, &b->texture_combine_alpha_func, + sizeof (b->texture_combine_alpha_func)); + n_args = _cogl_get_n_args_for_combine_func (b->texture_combine_alpha_func); + for (i = 0; i < n_args; i++) + { + hash = + _cogl_util_one_at_a_time_hash (hash, &b->texture_combine_alpha_src[i], + sizeof (b->texture_combine_alpha_src[i])); + hash = + _cogl_util_one_at_a_time_hash (hash, &b->texture_combine_alpha_op[i], + sizeof (b->texture_combine_alpha_op[i])); + } + + state->hash = hash; +} + +void +_cogl_pipeline_layer_hash_combine_constant_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + CoglPipelineLayerBigState *b = authority->big_state; + CoglBool need_hash = FALSE; + int n_args; + int i; + + /* XXX: If the user also asked to hash the ALPHA_FUNC_STATE then it + * would be nice if we could combine the n_args loops in this + * function and _cogl_pipeline_layer_hash_combine_state. + */ + + n_args = _cogl_get_n_args_for_combine_func (b->texture_combine_rgb_func); + for (i = 0; i < n_args; i++) + { + if (b->texture_combine_rgb_src[i] == + COGL_PIPELINE_COMBINE_SOURCE_CONSTANT) + { + /* XXX: should we be careful to only hash the alpha + * component in the COGL_PIPELINE_COMBINE_OP_SRC_ALPHA case? */ + need_hash = TRUE; + goto done; + } + } + + n_args = _cogl_get_n_args_for_combine_func (b->texture_combine_alpha_func); + for (i = 0; i < n_args; i++) + { + if (b->texture_combine_alpha_src[i] == + COGL_PIPELINE_COMBINE_SOURCE_CONSTANT) + { + /* XXX: should we be careful to only hash the alpha + * component in the COGL_PIPELINE_COMBINE_OP_SRC_ALPHA case? */ + need_hash = TRUE; + goto done; + } + } + +done: + if (need_hash) + { + float *constant = b->texture_combine_constant; + state->hash = _cogl_util_one_at_a_time_hash (state->hash, constant, + sizeof (float) * 4); + } +} + +void +_cogl_pipeline_layer_hash_user_matrix_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + CoglPipelineLayerBigState *big_state = authority->big_state; + state->hash = _cogl_util_one_at_a_time_hash (state->hash, &big_state->matrix, + sizeof (float) * 16); +} + +void +_cogl_pipeline_layer_hash_point_sprite_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + CoglPipelineLayerBigState *big_state = authority->big_state; + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, &big_state->point_sprite_coords, + sizeof (big_state->point_sprite_coords)); +} + +void +_cogl_pipeline_layer_hash_vertex_snippets_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + _cogl_pipeline_snippet_list_hash (&authority->big_state->vertex_snippets, + &state->hash); +} + +void +_cogl_pipeline_layer_hash_fragment_snippets_state (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state) +{ + _cogl_pipeline_snippet_list_hash (&authority->big_state->fragment_snippets, + &state->hash); +} diff --git a/cogl/cogl-pipeline-layer-state.h b/cogl/cogl-pipeline-layer-state.h new file mode 100644 index 0000000..4be7d39 --- /dev/null +++ b/cogl/cogl-pipeline-layer-state.h @@ -0,0 +1,620 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_PIPELINE_LAYER_STATE_H__ +#define __COGL_PIPELINE_LAYER_STATE_H__ + +#include +#include +#include +#include + +COGL_BEGIN_DECLS + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +/** + * CoglPipelineFilter: + * @COGL_PIPELINE_FILTER_NEAREST: Measuring in manhatten distance from the, + * current pixel center, use the nearest texture texel + * @COGL_PIPELINE_FILTER_LINEAR: Use the weighted average of the 4 texels + * nearest the current pixel center + * @COGL_PIPELINE_FILTER_NEAREST_MIPMAP_NEAREST: Select the mimap level whose + * texel size most closely matches the current pixel, and use the + * %COGL_PIPELINE_FILTER_NEAREST criterion + * @COGL_PIPELINE_FILTER_LINEAR_MIPMAP_NEAREST: Select the mimap level whose + * texel size most closely matches the current pixel, and use the + * %COGL_PIPELINE_FILTER_LINEAR criterion + * @COGL_PIPELINE_FILTER_NEAREST_MIPMAP_LINEAR: Select the two mimap levels + * whose texel size most closely matches the current pixel, use + * the %COGL_PIPELINE_FILTER_NEAREST criterion on each one and take + * their weighted average + * @COGL_PIPELINE_FILTER_LINEAR_MIPMAP_LINEAR: Select the two mimap levels + * whose texel size most closely matches the current pixel, use + * the %COGL_PIPELINE_FILTER_LINEAR criterion on each one and take + * their weighted average + * + * Texture filtering is used whenever the current pixel maps either to more + * than one texture element (texel) or less than one. These filter enums + * correspond to different strategies used to come up with a pixel color, by + * possibly referring to multiple neighbouring texels and taking a weighted + * average or simply using the nearest texel. + */ +typedef enum { + COGL_PIPELINE_FILTER_NEAREST = 0x2600, + COGL_PIPELINE_FILTER_LINEAR = 0x2601, + COGL_PIPELINE_FILTER_NEAREST_MIPMAP_NEAREST = 0x2700, + COGL_PIPELINE_FILTER_LINEAR_MIPMAP_NEAREST = 0x2701, + COGL_PIPELINE_FILTER_NEAREST_MIPMAP_LINEAR = 0x2702, + COGL_PIPELINE_FILTER_LINEAR_MIPMAP_LINEAR = 0x2703 +} CoglPipelineFilter; +/* NB: these values come from the equivalents in gl.h */ + +/** + * CoglPipelineWrapMode: + * @COGL_PIPELINE_WRAP_MODE_REPEAT: The texture will be repeated. This + * is useful for example to draw a tiled background. + * @COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE: The coordinates outside the + * range 0→1 will sample copies of the edge pixels of the + * texture. This is useful to avoid artifacts if only one copy of + * the texture is being rendered. + * @COGL_PIPELINE_WRAP_MODE_AUTOMATIC: Cogl will try to automatically + * decide which of the above two to use. For cogl_rectangle(), it + * will use repeat mode if any of the texture coordinates are + * outside the range 0→1, otherwise it will use clamp to edge. For + * cogl_polygon() it will always use repeat mode. For + * cogl_vertex_buffer_draw() it will use repeat mode except for + * layers that have point sprite coordinate generation enabled. This + * is the default value. + * + * The wrap mode specifies what happens when texture coordinates + * outside the range 0→1 are used. Note that if the filter mode is + * anything but %COGL_PIPELINE_FILTER_NEAREST then texels outside the + * range 0→1 might be used even when the coordinate is exactly 0 or 1 + * because OpenGL will try to sample neighbouring pixels. For example + * if you are trying to render the full texture then you may get + * artifacts around the edges when the pixels from the other side are + * merged in if the wrap mode is set to repeat. + * + * Since: 2.0 + */ +/* GL_ALWAYS is just used here as a value that is known not to clash + * with any valid GL wrap modes + * + * XXX: keep the values in sync with the CoglPipelineWrapModeInternal + * enum so no conversion is actually needed. + */ +typedef enum { + COGL_PIPELINE_WRAP_MODE_REPEAT = 0x2901, + COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT = 0x8370, + COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE = 0x812F, + COGL_PIPELINE_WRAP_MODE_AUTOMATIC = 0x0207 /* GL_ALWAYS */ +} CoglPipelineWrapMode; +/* NB: these values come from the equivalents in gl.h */ + +/** + * cogl_pipeline_set_layer: + * @pipeline: A #CoglPipeline object + * @layer_index: the index of the layer + * @texture: a #CoglTexture for the layer object + * + * In addition to the standard OpenGL lighting model a Cogl pipeline may have + * one or more layers comprised of textures that can be blended together in + * order, with a number of different texture combine modes. This function + * defines a new texture layer. + * + * The index values of multiple layers do not have to be consecutive; it is + * only their relative order that is important. + * + * The @texture parameter can also be %NULL in which case the pipeline + * will use a default white texture. The type of the default texture + * will be the same as whatever texture was last used for the pipeline + * or %COGL_TEXTURE_TYPE_2D if none has been specified yet. To + * explicitly specify the type of default texture required, use + * cogl_pipeline_set_layer_null_texture() instead. + * + * In the future, we may define other types of pipeline layers, such + * as purely GLSL based layers. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_pipeline_set_layer_texture (CoglPipeline *pipeline, + int layer_index, + CoglTexture *texture); + +/** + * cogl_pipeline_set_layer_null_texture: + * @pipeline: A #CoglPipeline + * @layer_index: The layer number to modify + * @texture_type: The type of the default texture to use + * + * Sets the texture for this layer to be the default texture for the + * given type. This is equivalent to calling + * cogl_pipeline_set_layer_texture() with %NULL for the texture + * argument except that you can also specify the type of default + * texture to use. The default texture is a 1x1 pixel white texture. + * + * This function is mostly useful if you want to create a base + * pipeline that you want to create multiple copies from using + * cogl_pipeline_copy(). In that case this function can be used to + * specify the texture type so that any pipeline copies can share the + * internal texture type state for efficiency. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_pipeline_set_layer_null_texture (CoglPipeline *pipeline, + int layer_index, + CoglTextureType texture_type); + +/** + * cogl_pipeline_get_layer_texture: + * @pipeline: A #CoglPipeline object + * @layer_index: the index of the layer + * + * Return value: (transfer none): the texture that was set for the + * given layer of the pipeline or %NULL if no texture was set. + * Stability: unstable + * Since: 1.10 + */ +CoglTexture * +cogl_pipeline_get_layer_texture (CoglPipeline *pipeline, + int layer_index); + +/** + * cogl_pipeline_remove_layer: + * @pipeline: A #CoglPipeline object + * @layer_index: Specifies the layer you want to remove + * + * This function removes a layer from your pipeline + * Since: 1.10 + * Stability: unstable + */ +void +cogl_pipeline_remove_layer (CoglPipeline *pipeline, + int layer_index); + +/** + * cogl_pipeline_set_layer_combine: + * @pipeline: A #CoglPipeline object + * @layer_index: Specifies the layer you want define a combine function for + * @blend_string: A Cogl blend string + * describing the desired texture combine function. + * @error: A #CoglError that may report parse errors or lack of GPU/driver + * support. May be %NULL, in which case a warning will be printed out if an + * error is encountered. + * + * If not already familiar; you can refer + * here for an overview of what blend + * strings are and there syntax. + * + * These are all the functions available for texture combining: + * + * REPLACE(arg0) = arg0 + * MODULATE(arg0, arg1) = arg0 x arg1 + * ADD(arg0, arg1) = arg0 + arg1 + * ADD_SIGNED(arg0, arg1) = arg0 + arg1 - 0.5 + * INTERPOLATE(arg0, arg1, arg2) = arg0 x arg2 + arg1 x (1 - arg2) + * SUBTRACT(arg0, arg1) = arg0 - arg1 + * + * + * DOT3_RGB(arg0, arg1) = 4 x ((arg0[R] - 0.5)) * (arg1[R] - 0.5) + + * (arg0[G] - 0.5)) * (arg1[G] - 0.5) + + * (arg0[B] - 0.5)) * (arg1[B] - 0.5)) + * + * + * + * + * DOT3_RGBA(arg0, arg1) = 4 x ((arg0[R] - 0.5)) * (arg1[R] - 0.5) + + * (arg0[G] - 0.5)) * (arg1[G] - 0.5) + + * (arg0[B] - 0.5)) * (arg1[B] - 0.5)) + * + * + * + * + * Refer to the + * color-source syntax for + * describing the arguments. The valid source names for texture combining + * are: + * + * + * TEXTURE + * Use the color from the current texture layer + * + * + * TEXTURE_0, TEXTURE_1, etc + * Use the color from the specified texture layer + * + * + * CONSTANT + * Use the color from the constant given with + * cogl_pipeline_set_layer_combine_constant() + * + * + * PRIMARY + * Use the color of the pipeline as set with + * cogl_pipeline_set_color() + * + * + * PREVIOUS + * Either use the texture color from the previous layer, or + * if this is layer 0, use the color of the pipeline as set with + * cogl_pipeline_set_color() + * + * + * + * + * Layer Combine Examples + * This is effectively what the default blending is: + * + * RGBA = MODULATE (PREVIOUS, TEXTURE) + * + * This could be used to cross-fade between two images, using + * the alpha component of a constant as the interpolator. The constant + * color is given by calling + * cogl_pipeline_set_layer_combine_constant(). + * + * RGBA = INTERPOLATE (PREVIOUS, TEXTURE, CONSTANT[A]) + * + * + * + * You can't give a multiplication factor for arguments as you can + * with blending. + * + * Return value: %TRUE if the blend string was successfully parsed, and the + * described texture combining is supported by the underlying driver and + * or hardware. On failure, %FALSE is returned and @error is set + * + * Since: 2.0 + * Stability: unstable + */ +CoglBool +cogl_pipeline_set_layer_combine (CoglPipeline *pipeline, + int layer_index, + const char *blend_string, + CoglError **error); + +/** + * cogl_pipeline_set_layer_combine_constant: + * @pipeline: A #CoglPipeline object + * @layer_index: Specifies the layer you want to specify a constant used + * for texture combining + * @constant: The constant color you want + * + * When you are using the 'CONSTANT' color source in a layer combine + * description then you can use this function to define its value. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_pipeline_set_layer_combine_constant (CoglPipeline *pipeline, + int layer_index, + const CoglColor *constant); + +/** + * cogl_pipeline_set_layer_matrix: + * @pipeline: A #CoglPipeline object + * @layer_index: the index for the layer inside @pipeline + * @matrix: the transformation matrix for the layer + * + * This function lets you set a matrix that can be used to e.g. translate + * and rotate a single layer of a pipeline used to fill your geometry. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_pipeline_set_layer_matrix (CoglPipeline *pipeline, + int layer_index, + const CoglMatrix *matrix); + +/** + * cogl_pipeline_get_n_layers: + * @pipeline: A #CoglPipeline object + * + * Retrieves the number of layers defined for the given @pipeline + * + * Return value: the number of layers + * + * Since: 2.0 + * Stability: unstable + */ +int +cogl_pipeline_get_n_layers (CoglPipeline *pipeline); + +/** + * cogl_pipeline_set_layer_filters: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * @min_filter: the filter used when scaling a texture down. + * @mag_filter: the filter used when magnifying a texture. + * + * Changes the decimation and interpolation filters used when a texture is + * drawn at other scales than 100%. + * + * It is an error to pass anything other than + * %COGL_PIPELINE_FILTER_NEAREST or %COGL_PIPELINE_FILTER_LINEAR as + * magnification filters since magnification doesn't ever need to + * reference values stored in the mipmap chain. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_pipeline_set_layer_filters (CoglPipeline *pipeline, + int layer_index, + CoglPipelineFilter min_filter, + CoglPipelineFilter mag_filter); + +/** + * cogl_pipeline_get_layer_min_filter: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * + * Retrieves the currently set minification #CoglPipelineFilter set on + * the specified layer. The miniifcation filter determines how the + * layer should be sampled when down-scaled. + * + * The default filter is %COGL_PIPELINE_FILTER_LINEAR but this can be + * changed using cogl_pipeline_set_layer_filters(). + * + * Return value: The minification #CoglPipelineFilter for the + * specified layer. + * Since: 1.10 + * Stability: unstable + */ +CoglPipelineFilter +cogl_pipeline_get_layer_min_filter (CoglPipeline *pipeline, + int layer_index); + +/** + * cogl_pipeline_get_layer_mag_filter: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * + * Retrieves the currently set magnification #CoglPipelineFilter set on + * the specified layer. The magnification filter determines how the + * layer should be sampled when up-scaled. + * + * The default filter is %COGL_PIPELINE_FILTER_LINEAR but this can be + * changed using cogl_pipeline_set_layer_filters(). + * + * Return value: The magnification #CoglPipelineFilter for the + * specified layer. + * Since: 1.10 + * Stability: unstable + */ +CoglPipelineFilter +cogl_pipeline_get_layer_mag_filter (CoglPipeline *pipeline, + int layer_index); + +/** + * cogl_pipeline_set_layer_point_sprite_coords_enabled: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * @enable: whether to enable point sprite coord generation. + * @error: A return location for a CoglError, or NULL to ignore errors. + * + * When rendering points, if @enable is %TRUE then the texture + * coordinates for this layer will be replaced with coordinates that + * vary from 0.0 to 1.0 across the primitive. The top left of the + * point will have the coordinates 0.0,0.0 and the bottom right will + * have 1.0,1.0. If @enable is %FALSE then the coordinates will be + * fixed for the entire point. + * + * This function will only work if %COGL_FEATURE_ID_POINT_SPRITE is + * available. If the feature is not available then the function will + * return %FALSE and set @error. + * + * Return value: %TRUE if the function succeeds, %FALSE otherwise. + * Since: 2.0 + * Stability: unstable + */ +CoglBool +cogl_pipeline_set_layer_point_sprite_coords_enabled (CoglPipeline *pipeline, + int layer_index, + CoglBool enable, + CoglError **error); + +/** + * cogl_pipeline_get_layer_point_sprite_coords_enabled: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to check. + * + * Gets whether point sprite coordinate generation is enabled for this + * texture layer. + * + * Return value: whether the texture coordinates will be replaced with + * point sprite coordinates. + * + * Since: 2.0 + * Stability: unstable + */ +CoglBool +cogl_pipeline_get_layer_point_sprite_coords_enabled (CoglPipeline *pipeline, + int layer_index); + +/** + * cogl_pipeline_get_layer_wrap_mode_s: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * + * Returns the wrap mode for the 's' coordinate of texture lookups on this + * layer. + * + * Return value: the wrap mode for the 's' coordinate of texture lookups on + * this layer. + * + * Since: 1.6 + * Stability: unstable + */ +CoglPipelineWrapMode +cogl_pipeline_get_layer_wrap_mode_s (CoglPipeline *pipeline, + int layer_index); + +/** + * cogl_pipeline_set_layer_wrap_mode_s: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * @mode: the new wrap mode + * + * Sets the wrap mode for the 's' coordinate of texture lookups on this layer. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_pipeline_set_layer_wrap_mode_s (CoglPipeline *pipeline, + int layer_index, + CoglPipelineWrapMode mode); + +/** + * cogl_pipeline_get_layer_wrap_mode_t: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * + * Returns the wrap mode for the 't' coordinate of texture lookups on this + * layer. + * + * Return value: the wrap mode for the 't' coordinate of texture lookups on + * this layer. + * + * Since: 1.6 + * Stability: unstable + */ +CoglPipelineWrapMode +cogl_pipeline_get_layer_wrap_mode_t (CoglPipeline *pipeline, + int layer_index); + + +/** + * cogl_pipeline_set_layer_wrap_mode_t: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * @mode: the new wrap mode + * + * Sets the wrap mode for the 't' coordinate of texture lookups on this layer. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_pipeline_set_layer_wrap_mode_t (CoglPipeline *pipeline, + int layer_index, + CoglPipelineWrapMode mode); + +/** + * cogl_pipeline_get_layer_wrap_mode_p: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * + * Returns the wrap mode for the 'p' coordinate of texture lookups on this + * layer. + * + * Return value: the wrap mode for the 'p' coordinate of texture lookups on + * this layer. + * + * Since: 1.6 + * Stability: unstable + */ +CoglPipelineWrapMode +cogl_pipeline_get_layer_wrap_mode_p (CoglPipeline *pipeline, + int layer_index); + +/** + * cogl_pipeline_set_layer_wrap_mode_p: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * @mode: the new wrap mode + * + * Sets the wrap mode for the 'p' coordinate of texture lookups on + * this layer. 'p' is the third coordinate. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_pipeline_set_layer_wrap_mode_p (CoglPipeline *pipeline, + int layer_index, + CoglPipelineWrapMode mode); + +/** + * cogl_pipeline_set_layer_wrap_mode: + * @pipeline: A #CoglPipeline object + * @layer_index: the layer number to change. + * @mode: the new wrap mode + * + * Sets the wrap mode for all three coordinates of texture lookups on + * this layer. This is equivalent to calling + * cogl_pipeline_set_layer_wrap_mode_s(), + * cogl_pipeline_set_layer_wrap_mode_t() and + * cogl_pipeline_set_layer_wrap_mode_p() separately. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_pipeline_set_layer_wrap_mode (CoglPipeline *pipeline, + int layer_index, + CoglPipelineWrapMode mode); + +/** + * cogl_pipeline_add_layer_snippet: + * @pipeline: A #CoglPipeline + * @layer: The layer to hook the snippet to + * @snippet: A #CoglSnippet + * + * Adds a shader snippet that will hook on to the given layer of the + * pipeline. The exact part of the pipeline that the snippet wraps + * around depends on the hook that is given to + * cogl_snippet_new(). Note that some hooks can't be used with a layer + * and need to be added with cogl_pipeline_add_snippet() instead. + * + * Since: 1.10 + * Stability: Unstable + */ +void +cogl_pipeline_add_layer_snippet (CoglPipeline *pipeline, + int layer, + CoglSnippet *snippet); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +COGL_END_DECLS + +#endif /* __COGL_PIPELINE_LAYER_STATE_H__ */ diff --git a/cogl/cogl-pipeline-layer.c b/cogl/cogl-pipeline-layer.c new file mode 100644 index 0000000..37a5120 --- /dev/null +++ b/cogl/cogl-pipeline-layer.c @@ -0,0 +1,942 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-context-private.h" +#include "cogl-texture-private.h" + +#include "cogl-pipeline.h" +#include "cogl-pipeline-layer-private.h" +#include "cogl-pipeline-layer-state-private.h" +#include "cogl-pipeline-layer-state.h" +#include "cogl-node-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-context-private.h" +#include "cogl-texture-private.h" + +#include + +static void +_cogl_pipeline_layer_free (CoglPipelineLayer *layer); + +/* This type was made deprecated before the cogl_is_pipeline_layer + function was ever exposed in the public headers so there's no need + to make the cogl_is_pipeline_layer function public. We use INTERNAL + so that the cogl_is_* function won't get defined */ +COGL_OBJECT_INTERNAL_DEFINE (PipelineLayer, pipeline_layer); + + +CoglPipelineLayer * +_cogl_pipeline_layer_get_authority (CoglPipelineLayer *layer, + unsigned long difference) +{ + CoglPipelineLayer *authority = layer; + while (!(authority->differences & difference)) + authority = _cogl_pipeline_layer_get_parent (authority); + return authority; +} + +int +_cogl_pipeline_layer_get_unit_index (CoglPipelineLayer *layer) +{ + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, COGL_PIPELINE_LAYER_STATE_UNIT); + return authority->unit_index; +} + +CoglBool +_cogl_pipeline_layer_has_alpha (CoglPipelineLayer *layer) +{ + CoglPipelineLayer *combine_authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_COMBINE); + CoglPipelineLayerBigState *big_state = combine_authority->big_state; + CoglPipelineLayer *tex_authority; + CoglPipelineLayer *snippets_authority; + + /* has_alpha maintains the alpha status for the GL_PREVIOUS layer */ + + /* For anything but the default texture combine we currently just + * assume it may result in an alpha value < 1 + * + * FIXME: we could do better than this. */ + if (big_state->texture_combine_alpha_func != + COGL_PIPELINE_COMBINE_FUNC_MODULATE || + big_state->texture_combine_alpha_src[0] != + COGL_PIPELINE_COMBINE_SOURCE_PREVIOUS || + big_state->texture_combine_alpha_op[0] != + COGL_PIPELINE_COMBINE_OP_SRC_ALPHA || + big_state->texture_combine_alpha_src[1] != + COGL_PIPELINE_COMBINE_SOURCE_TEXTURE || + big_state->texture_combine_alpha_op[1] != + COGL_PIPELINE_COMBINE_OP_SRC_ALPHA) + { + return TRUE; + } + + /* NB: A layer may have a combine mode set on it but not yet + * have an associated texture which would mean we'd fallback + * to the default texture which doesn't have an alpha component + */ + tex_authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA); + if (tex_authority->texture && + _cogl_texture_get_format (tex_authority->texture) & COGL_A_BIT) + { + return TRUE; + } + + /* All bets are off if the layer contains any snippets */ + snippets_authority = _cogl_pipeline_layer_get_authority + (layer, COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS); + if (snippets_authority->big_state->vertex_snippets.entries != NULL) + return TRUE; + snippets_authority = _cogl_pipeline_layer_get_authority + (layer, COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS); + if (snippets_authority->big_state->fragment_snippets.entries != NULL) + return TRUE; + + return FALSE; +} + +unsigned int +_cogl_get_n_args_for_combine_func (CoglPipelineCombineFunc func) +{ + switch (func) + { + case COGL_PIPELINE_COMBINE_FUNC_REPLACE: + return 1; + case COGL_PIPELINE_COMBINE_FUNC_MODULATE: + case COGL_PIPELINE_COMBINE_FUNC_ADD: + case COGL_PIPELINE_COMBINE_FUNC_ADD_SIGNED: + case COGL_PIPELINE_COMBINE_FUNC_SUBTRACT: + case COGL_PIPELINE_COMBINE_FUNC_DOT3_RGB: + case COGL_PIPELINE_COMBINE_FUNC_DOT3_RGBA: + return 2; + case COGL_PIPELINE_COMBINE_FUNC_INTERPOLATE: + return 3; + } + return 0; +} + +void +_cogl_pipeline_layer_copy_differences (CoglPipelineLayer *dest, + CoglPipelineLayer *src, + unsigned long differences) +{ + CoglPipelineLayerBigState *big_dest, *big_src; + + if ((differences & COGL_PIPELINE_LAYER_STATE_NEEDS_BIG_STATE) && + !dest->has_big_state) + { + dest->big_state = g_slice_new (CoglPipelineLayerBigState); + dest->has_big_state = TRUE; + } + + big_dest = dest->big_state; + big_src = src->big_state; + + dest->differences |= differences; + + while (differences) + { + int index = _cogl_util_ffs (differences) - 1; + + differences &= ~(1 << index); + + /* This convoluted switch statement is just here so that we'll + * get a warning if a new state is added without handling it + * here */ + switch (index) + { + case COGL_PIPELINE_LAYER_STATE_COUNT: + case COGL_PIPELINE_LAYER_STATE_UNIT_INDEX: + g_warn_if_reached (); + break; + + case COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE_INDEX: + dest->texture_type = src->texture_type; + break; + + case COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA_INDEX: + dest->texture = src->texture; + if (dest->texture) + cogl_object_ref (dest->texture); + break; + + case COGL_PIPELINE_LAYER_STATE_SAMPLER_INDEX: + dest->sampler_cache_entry = src->sampler_cache_entry; + break; + + case COGL_PIPELINE_LAYER_STATE_COMBINE_INDEX: + { + CoglPipelineCombineFunc func; + int n_args, i; + + func = big_src->texture_combine_rgb_func; + big_dest->texture_combine_rgb_func = func; + n_args = _cogl_get_n_args_for_combine_func (func); + for (i = 0; i < n_args; i++) + { + big_dest->texture_combine_rgb_src[i] = + big_src->texture_combine_rgb_src[i]; + big_dest->texture_combine_rgb_op[i] = + big_src->texture_combine_rgb_op[i]; + } + + func = big_src->texture_combine_alpha_func; + big_dest->texture_combine_alpha_func = func; + n_args = _cogl_get_n_args_for_combine_func (func); + for (i = 0; i < n_args; i++) + { + big_dest->texture_combine_alpha_src[i] = + big_src->texture_combine_alpha_src[i]; + big_dest->texture_combine_alpha_op[i] = + big_src->texture_combine_alpha_op[i]; + } + } + break; + + case COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT_INDEX: + memcpy (big_dest->texture_combine_constant, + big_src->texture_combine_constant, + sizeof (big_dest->texture_combine_constant)); + break; + + case COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS_INDEX: + big_dest->point_sprite_coords = big_src->point_sprite_coords; + break; + + case COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS_INDEX: + _cogl_pipeline_snippet_list_copy (&big_dest->vertex_snippets, + &big_src->vertex_snippets); + break; + + case COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS_INDEX: + _cogl_pipeline_snippet_list_copy (&big_dest->fragment_snippets, + &big_src->fragment_snippets); + break; + } + } +} + +static void +_cogl_pipeline_layer_init_multi_property_sparse_state ( + CoglPipelineLayer *layer, + CoglPipelineLayerState change) +{ + CoglPipelineLayer *authority; + + /* Nothing to initialize in these cases since they are all comprised + * of one member which we expect to immediately be overwritten. */ + if (!(change & COGL_PIPELINE_LAYER_STATE_MULTI_PROPERTY)) + return; + + authority = _cogl_pipeline_layer_get_authority (layer, change); + + switch (change) + { + /* XXX: avoid using a default: label so we get a warning if we + * don't explicitly handle a newly defined state-group here. */ + case COGL_PIPELINE_LAYER_STATE_UNIT: + case COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE: + case COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA: + case COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS: + case COGL_PIPELINE_LAYER_STATE_USER_MATRIX: + case COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT: + case COGL_PIPELINE_LAYER_STATE_SAMPLER: + g_return_if_reached (); + + /* XXX: technically we could probably even consider these as + * single property state-groups from the pov that currently the + * corresponding property setters always update all of the values + * at the same time. */ + case COGL_PIPELINE_LAYER_STATE_COMBINE: + { + int n_args; + int i; + CoglPipelineLayerBigState *src_big_state = authority->big_state; + CoglPipelineLayerBigState *dest_big_state = layer->big_state; + GLint func = src_big_state->texture_combine_rgb_func; + + dest_big_state->texture_combine_rgb_func = func; + n_args = _cogl_get_n_args_for_combine_func (func); + for (i = 0; i < n_args; i++) + { + dest_big_state->texture_combine_rgb_src[i] = + src_big_state->texture_combine_rgb_src[i]; + dest_big_state->texture_combine_rgb_op[i] = + src_big_state->texture_combine_rgb_op[i]; + } + + func = src_big_state->texture_combine_alpha_func; + dest_big_state->texture_combine_alpha_func = func; + n_args = _cogl_get_n_args_for_combine_func (func); + for (i = 0; i < n_args; i++) + { + dest_big_state->texture_combine_alpha_src[i] = + src_big_state->texture_combine_alpha_src[i]; + dest_big_state->texture_combine_alpha_op[i] = + src_big_state->texture_combine_alpha_op[i]; + } + break; + } + case COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS: + _cogl_pipeline_snippet_list_copy (&layer->big_state->vertex_snippets, + &authority->big_state-> + vertex_snippets); + break; + case COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS: + _cogl_pipeline_snippet_list_copy (&layer->big_state->fragment_snippets, + &authority->big_state-> + fragment_snippets); + break; + } +} + +/* NB: If a layer has descendants we can't modify the layer + * NB: If the layer is owned and the owner has descendants we can't + * modify the layer. + * + * This function will allocate a new derived layer if you are trying + * to change the state of a layer with dependants (as described above) + * so you must always check the return value. + * + * If a new layer is returned it will be owned by required_owner. + * (NB: a layer is always modified with respect to a pipeline - the + * "required_owner") + * + * required_owner can only by NULL for new, currently unowned layers + * with no dependants. + */ +CoglPipelineLayer * +_cogl_pipeline_layer_pre_change_notify (CoglPipeline *required_owner, + CoglPipelineLayer *layer, + CoglPipelineLayerState change) +{ + CoglTextureUnit *unit; + + /* Identify the case where the layer is new with no owner or + * dependants and so we don't need to do anything. */ + if (_cogl_list_empty (&COGL_NODE (layer)->children) && + layer->owner == NULL) + goto init_layer_state; + + /* We only allow a NULL required_owner for new layers */ + _COGL_RETURN_VAL_IF_FAIL (required_owner != NULL, layer); + + /* Chain up: + * A modification of a layer is indirectly also a modification of + * its owner so first make sure to flush the journal of any + * references to the current owner state and if necessary perform + * a copy-on-write for the required_owner if it has dependants. + */ + _cogl_pipeline_pre_change_notify (required_owner, + COGL_PIPELINE_STATE_LAYERS, + NULL, + TRUE); + + /* Unlike pipelines; layers are simply considered immutable once + * they have dependants - either direct children, or another + * pipeline as an owner. + */ + if (!_cogl_list_empty (&COGL_NODE (layer)->children) || + layer->owner != required_owner) + { + CoglPipelineLayer *new = _cogl_pipeline_layer_copy (layer); + if (layer->owner == required_owner) + _cogl_pipeline_remove_layer_difference (required_owner, layer, FALSE); + _cogl_pipeline_add_layer_difference (required_owner, new, FALSE); + cogl_object_unref (new); + layer = new; + goto init_layer_state; + } + + /* Note: At this point we know there is only one pipeline dependant on + * this layer (required_owner), and there are no other layers + * dependant on this layer so it's ok to modify it. */ + + /* NB: Although layers can have private state associated with them + * by multiple backends we know that a layer can't be *changed* if + * it has multiple dependants so if we reach here we know we only + * have a single owner and can only be associated with a single + * backend that needs to be notified of the layer change... + */ + if (required_owner->progend != COGL_PIPELINE_PROGEND_UNDEFINED) + { + const CoglPipelineProgend *progend = + _cogl_pipeline_progends[required_owner->progend]; + const CoglPipelineFragend *fragend = + _cogl_pipeline_fragends[progend->fragend]; + const CoglPipelineVertend *vertend = + _cogl_pipeline_vertends[progend->vertend]; + + if (fragend->layer_pre_change_notify) + fragend->layer_pre_change_notify (required_owner, layer, change); + if (vertend->layer_pre_change_notify) + vertend->layer_pre_change_notify (required_owner, layer, change); + if (progend->layer_pre_change_notify) + progend->layer_pre_change_notify (required_owner, layer, change); + } + + /* If the layer being changed is the same as the last layer we + * flushed to the corresponding texture unit then we keep a track of + * the changes so we can try to minimize redundant OpenGL calls if + * the same layer is flushed again. + */ + unit = _cogl_get_texture_unit (_cogl_pipeline_layer_get_unit_index (layer)); + if (unit->layer == layer) + unit->layer_changes_since_flush |= change; + +init_layer_state: + + if (required_owner) + required_owner->age++; + + if (change & COGL_PIPELINE_LAYER_STATE_NEEDS_BIG_STATE && + !layer->has_big_state) + { + layer->big_state = g_slice_new (CoglPipelineLayerBigState); + layer->has_big_state = TRUE; + } + + /* Note: conceptually we have just been notified that a single + * property value is about to change, but since some state-groups + * contain multiple properties and 'layer' is about to take over + * being the authority for the property's corresponding state-group + * we need to maintain the integrity of the other property values + * too. + * + * To ensure this we handle multi-property state-groups by copying + * all the values from the old-authority to the new... + * + * We don't have to worry about non-sparse property groups since + * we never take over being an authority for such properties so + * they automatically maintain integrity. + */ + if (change & COGL_PIPELINE_LAYER_STATE_ALL_SPARSE && + !(layer->differences & change)) + { + _cogl_pipeline_layer_init_multi_property_sparse_state (layer, change); + layer->differences |= change; + } + + return layer; +} + +static void +_cogl_pipeline_layer_unparent (CoglNode *layer) +{ + /* Chain up */ + _cogl_pipeline_node_unparent_real (layer); +} + +static void +_cogl_pipeline_layer_set_parent (CoglPipelineLayer *layer, + CoglPipelineLayer *parent) +{ + /* Chain up */ + _cogl_pipeline_node_set_parent_real (COGL_NODE (layer), + COGL_NODE (parent), + _cogl_pipeline_layer_unparent, + TRUE); +} + +CoglPipelineLayer * +_cogl_pipeline_layer_copy (CoglPipelineLayer *src) +{ + CoglPipelineLayer *layer = g_slice_new (CoglPipelineLayer); + + _cogl_pipeline_node_init (COGL_NODE (layer)); + + layer->owner = NULL; + layer->index = src->index; + layer->differences = 0; + layer->has_big_state = FALSE; + + _cogl_pipeline_layer_set_parent (layer, src); + + return _cogl_pipeline_layer_object_new (layer); +} + +/* XXX: This is duplicated logic; the same as for + * _cogl_pipeline_prune_redundant_ancestry it would be nice to find a + * way to consolidate these functions! */ +void +_cogl_pipeline_layer_prune_redundant_ancestry (CoglPipelineLayer *layer) +{ + CoglPipelineLayer *new_parent = _cogl_pipeline_layer_get_parent (layer); + + /* walk up past ancestors that are now redundant and potentially + * reparent the layer. */ + while (_cogl_pipeline_layer_get_parent (new_parent) && + (new_parent->differences | layer->differences) == + layer->differences) + new_parent = _cogl_pipeline_layer_get_parent (new_parent); + + _cogl_pipeline_layer_set_parent (layer, new_parent); +} + +/* Determine the mask of differences between two layers. + * + * XXX: If layers and pipelines could both be cast to a common Tree + * type of some kind then we could have a unified + * compare_differences() function. + */ +unsigned long +_cogl_pipeline_layer_compare_differences (CoglPipelineLayer *layer0, + CoglPipelineLayer *layer1) +{ + GSList *head0 = NULL; + GSList *head1 = NULL; + CoglPipelineLayer *node0; + CoglPipelineLayer *node1; + int len0 = 0; + int len1 = 0; + int count; + GSList *common_ancestor0; + GSList *common_ancestor1; + unsigned long layers_difference = 0; + + /* Algorithm: + * + * 1) Walk the ancestors of each layer to the root node, adding a + * pointer to each ancester node to two linked lists + * + * 2) Compare the lists to find the nodes where they start to + * differ marking the common_ancestor node for each list. + * + * 3) For each list now iterate starting after the common_ancestor + * nodes ORing each nodes ->difference mask into the final + * differences mask. + */ + + for (node0 = layer0; node0; node0 = _cogl_pipeline_layer_get_parent (node0)) + { + GSList *link = alloca (sizeof (GSList)); + link->next = head0; + link->data = node0; + head0 = link; + len0++; + } + for (node1 = layer1; node1; node1 = _cogl_pipeline_layer_get_parent (node1)) + { + GSList *link = alloca (sizeof (GSList)); + link->next = head1; + link->data = node1; + head1 = link; + len1++; + } + + /* NB: There's no point looking at the head entries since we know both layers + * must have the same default layer as their root node. */ + common_ancestor0 = head0; + common_ancestor1 = head1; + head0 = head0->next; + head1 = head1->next; + count = MIN (len0, len1) - 1; + while (count--) + { + if (head0->data != head1->data) + break; + common_ancestor0 = head0; + common_ancestor1 = head1; + head0 = head0->next; + head1 = head1->next; + } + + for (head0 = common_ancestor0->next; head0; head0 = head0->next) + { + node0 = head0->data; + layers_difference |= node0->differences; + } + for (head1 = common_ancestor1->next; head1; head1 = head1->next) + { + node1 = head1->data; + layers_difference |= node1->differences; + } + + return layers_difference; +} + +static CoglBool +layer_state_equal (CoglPipelineLayerStateIndex state_index, + CoglPipelineLayer **authorities0, + CoglPipelineLayer **authorities1, + CoglPipelineLayerStateComparitor comparitor) +{ + return comparitor (authorities0[state_index], authorities1[state_index]); +} + +void +_cogl_pipeline_layer_resolve_authorities (CoglPipelineLayer *layer, + unsigned long differences, + CoglPipelineLayer **authorities) +{ + unsigned long remaining = differences; + CoglPipelineLayer *authority = layer; + + do + { + unsigned long found = authority->differences & remaining; + int i; + + if (found == 0) + continue; + + for (i = 0; TRUE; i++) + { + unsigned long state = (1L< found) + break; + } + + remaining &= ~found; + if (remaining == 0) + return; + } + while ((authority = _cogl_pipeline_layer_get_parent (authority))); + + g_assert (remaining == 0); +} + +CoglBool +_cogl_pipeline_layer_equal (CoglPipelineLayer *layer0, + CoglPipelineLayer *layer1, + unsigned long differences_mask, + CoglPipelineEvalFlags flags) +{ + unsigned long layers_difference; + CoglPipelineLayer *authorities0[COGL_PIPELINE_LAYER_STATE_SPARSE_COUNT]; + CoglPipelineLayer *authorities1[COGL_PIPELINE_LAYER_STATE_SPARSE_COUNT]; + + if (layer0 == layer1) + return TRUE; + + layers_difference = + _cogl_pipeline_layer_compare_differences (layer0, layer1); + + /* Only compare the sparse state groups requested by the caller... */ + layers_difference &= differences_mask; + + _cogl_pipeline_layer_resolve_authorities (layer0, + layers_difference, + authorities0); + _cogl_pipeline_layer_resolve_authorities (layer1, + layers_difference, + authorities1); + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE) + { + CoglPipelineLayerStateIndex state_index = + COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE_INDEX; + if (!_cogl_pipeline_layer_texture_type_equal (authorities0[state_index], + authorities1[state_index], + flags)) + return FALSE; + } + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA) + { + CoglPipelineLayerStateIndex state_index = + COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA_INDEX; + if (!_cogl_pipeline_layer_texture_data_equal (authorities0[state_index], + authorities1[state_index], + flags)) + return FALSE; + } + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_COMBINE && + !layer_state_equal (COGL_PIPELINE_LAYER_STATE_COMBINE_INDEX, + authorities0, authorities1, + _cogl_pipeline_layer_combine_state_equal)) + return FALSE; + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT && + !layer_state_equal (COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT_INDEX, + authorities0, authorities1, + _cogl_pipeline_layer_combine_constant_equal)) + return FALSE; + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_SAMPLER && + !layer_state_equal (COGL_PIPELINE_LAYER_STATE_SAMPLER_INDEX, + authorities0, authorities1, + _cogl_pipeline_layer_sampler_equal)) + return FALSE; + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_USER_MATRIX && + !layer_state_equal (COGL_PIPELINE_LAYER_STATE_USER_MATRIX_INDEX, + authorities0, authorities1, + _cogl_pipeline_layer_user_matrix_equal)) + return FALSE; + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS && + !layer_state_equal (COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS_INDEX, + authorities0, authorities1, + _cogl_pipeline_layer_point_sprite_coords_equal)) + return FALSE; + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS && + !layer_state_equal (COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS_INDEX, + authorities0, authorities1, + _cogl_pipeline_layer_vertex_snippets_equal)) + return FALSE; + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS && + !layer_state_equal (COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS_INDEX, + authorities0, authorities1, + _cogl_pipeline_layer_fragment_snippets_equal)) + return FALSE; + + return TRUE; +} + +static void +_cogl_pipeline_layer_free (CoglPipelineLayer *layer) +{ + _cogl_pipeline_layer_unparent (COGL_NODE (layer)); + + if (layer->differences & COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA && + layer->texture != NULL) + cogl_object_unref (layer->texture); + + if (layer->differences & COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS) + _cogl_pipeline_snippet_list_free (&layer->big_state->vertex_snippets); + + if (layer->differences & COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS) + _cogl_pipeline_snippet_list_free (&layer->big_state->fragment_snippets); + + if (layer->differences & COGL_PIPELINE_LAYER_STATE_NEEDS_BIG_STATE) + g_slice_free (CoglPipelineLayerBigState, layer->big_state); + + g_slice_free (CoglPipelineLayer, layer); +} + +void +_cogl_pipeline_init_default_layers (void) +{ + CoglPipelineLayer *layer = g_slice_new0 (CoglPipelineLayer); + CoglPipelineLayerBigState *big_state = + g_slice_new0 (CoglPipelineLayerBigState); + CoglPipelineLayer *new; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _cogl_pipeline_node_init (COGL_NODE (layer)); + + layer->index = 0; + + layer->differences = COGL_PIPELINE_LAYER_STATE_ALL_SPARSE; + + layer->unit_index = 0; + + layer->texture = NULL; + layer->texture_type = COGL_TEXTURE_TYPE_2D; + + layer->sampler_cache_entry = + _cogl_sampler_cache_get_default_entry (ctx->sampler_cache); + + layer->big_state = big_state; + layer->has_big_state = TRUE; + + /* Choose the same default combine mode as OpenGL: + * RGBA = MODULATE(PREVIOUS[RGBA],TEXTURE[RGBA]) */ + big_state->texture_combine_rgb_func = + COGL_PIPELINE_COMBINE_FUNC_MODULATE; + big_state->texture_combine_rgb_src[0] = + COGL_PIPELINE_COMBINE_SOURCE_PREVIOUS; + big_state->texture_combine_rgb_src[1] = + COGL_PIPELINE_COMBINE_SOURCE_TEXTURE; + big_state->texture_combine_rgb_op[0] = + COGL_PIPELINE_COMBINE_OP_SRC_COLOR; + big_state->texture_combine_rgb_op[1] = + COGL_PIPELINE_COMBINE_OP_SRC_COLOR; + big_state->texture_combine_alpha_func = + COGL_PIPELINE_COMBINE_FUNC_MODULATE; + big_state->texture_combine_alpha_src[0] = + COGL_PIPELINE_COMBINE_SOURCE_PREVIOUS; + big_state->texture_combine_alpha_src[1] = + COGL_PIPELINE_COMBINE_SOURCE_TEXTURE; + big_state->texture_combine_alpha_op[0] = + COGL_PIPELINE_COMBINE_OP_SRC_ALPHA; + big_state->texture_combine_alpha_op[1] = + COGL_PIPELINE_COMBINE_OP_SRC_ALPHA; + + big_state->point_sprite_coords = FALSE; + + cogl_matrix_init_identity (&big_state->matrix); + + ctx->default_layer_0 = _cogl_pipeline_layer_object_new (layer); + + /* TODO: we should make default_layer_n comprise of two + * descendants of default_layer_0: + * - the first descendant should change the texture combine + * to what we expect is most commonly used for multitexturing + * - the second should revert the above change. + * + * why? the documentation for how a new layer is initialized + * doesn't say that layers > 0 have different defaults so unless + * we change the documentation we can't use different defaults, + * but if the user does what we expect and changes the + * texture combine then we can revert the authority to the + * first descendant which means we can maximize the number + * of layers with a common ancestor. + * + * The main problem will be that we'll need to disable the + * optimizations for flattening the ancestry when we make + * the second descendant which reverts the state. + */ + ctx->default_layer_n = _cogl_pipeline_layer_copy (layer); + new = _cogl_pipeline_set_layer_unit (NULL, ctx->default_layer_n, 1); + g_assert (new == ctx->default_layer_n); + /* Since we passed a newly allocated layer we don't expect that + * _set_layer_unit() will have to allocate *another* layer. */ + + /* Finally we create a dummy dependant for ->default_layer_n which + * effectively ensures that ->default_layer_n and ->default_layer_0 + * remain immutable. + */ + ctx->dummy_layer_dependant = + _cogl_pipeline_layer_copy (ctx->default_layer_n); +} + +void +_cogl_pipeline_layer_pre_paint (CoglPipelineLayer *layer) +{ + CoglPipelineLayer *texture_authority; + + texture_authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA); + + if (texture_authority->texture != NULL) + { + CoglTexturePrePaintFlags flags = 0; + CoglPipelineFilter min_filter; + CoglPipelineFilter mag_filter; + + _cogl_pipeline_layer_get_filters (layer, &min_filter, &mag_filter); + + if (min_filter == COGL_PIPELINE_FILTER_NEAREST_MIPMAP_NEAREST + || min_filter == COGL_PIPELINE_FILTER_LINEAR_MIPMAP_NEAREST + || min_filter == COGL_PIPELINE_FILTER_NEAREST_MIPMAP_LINEAR + || min_filter == COGL_PIPELINE_FILTER_LINEAR_MIPMAP_LINEAR) + flags |= COGL_TEXTURE_NEEDS_MIPMAP; + + _cogl_texture_pre_paint (texture_authority->texture, flags); + } +} + +/* Determines if we need to handle the RGB and A texture combining + * separately or is the same function used for both channel masks and + * with the same arguments... + */ +CoglBool +_cogl_pipeline_layer_needs_combine_separate + (CoglPipelineLayer *combine_authority) +{ + CoglPipelineLayerBigState *big_state = combine_authority->big_state; + int n_args; + int i; + + if (big_state->texture_combine_rgb_func != + big_state->texture_combine_alpha_func) + return TRUE; + + n_args = _cogl_get_n_args_for_combine_func (big_state->texture_combine_rgb_func); + + for (i = 0; i < n_args; i++) + { + if (big_state->texture_combine_rgb_src[i] != + big_state->texture_combine_alpha_src[i]) + return TRUE; + + /* + * We can allow some variation of the source operands without + * needing a separation... + * + * "A = REPLACE (CONSTANT[A])" + either of the following... + * "RGB = REPLACE (CONSTANT[RGB])" + * "RGB = REPLACE (CONSTANT[A])" + * + * can be combined as: + * "RGBA = REPLACE (CONSTANT)" or + * "RGBA = REPLACE (CONSTANT[A])" or + * + * And "A = REPLACE (1-CONSTANT[A])" + either of the following... + * "RGB = REPLACE (1-CONSTANT)" or + * "RGB = REPLACE (1-CONSTANT[A])" + * + * can be combined as: + * "RGBA = REPLACE (1-CONSTANT)" or + * "RGBA = REPLACE (1-CONSTANT[A])" + */ + switch (big_state->texture_combine_alpha_op[i]) + { + case GL_SRC_ALPHA: + switch (big_state->texture_combine_rgb_op[i]) + { + case GL_SRC_COLOR: + case GL_SRC_ALPHA: + break; + default: + return FALSE; + } + break; + case GL_ONE_MINUS_SRC_ALPHA: + switch (big_state->texture_combine_rgb_op[i]) + { + case GL_ONE_MINUS_SRC_COLOR: + case GL_ONE_MINUS_SRC_ALPHA: + break; + default: + return FALSE; + } + break; + default: + return FALSE; /* impossible */ + } + } + + return FALSE; +} + + diff --git a/cogl/cogl-pipeline-private.h b/cogl/cogl-pipeline-private.h new file mode 100644 index 0000000..845fdd8 --- /dev/null +++ b/cogl/cogl-pipeline-private.h @@ -0,0 +1,998 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PIPELINE_PRIVATE_H +#define __COGL_PIPELINE_PRIVATE_H + +#include "cogl-node-private.h" +#include "cogl-pipeline-layer-private.h" +#include "cogl-pipeline.h" +#include "cogl-matrix.h" +#include "cogl-object-private.h" +#include "cogl-profile.h" +#include "cogl-list.h" +#include "cogl-boxed-value.h" +#include "cogl-pipeline-snippet-private.h" +#include "cogl-pipeline-state.h" +#include "cogl-framebuffer.h" +#include "cogl-bitmask.h" + +#include + +#ifdef HAVE_COGL_GL + +#define COGL_PIPELINE_PROGEND_FIXED_ARBFP 0 +#define COGL_PIPELINE_PROGEND_FIXED 1 +#define COGL_PIPELINE_PROGEND_GLSL 2 +#define COGL_PIPELINE_N_PROGENDS 3 + +#define COGL_PIPELINE_VERTEND_FIXED 0 +#define COGL_PIPELINE_VERTEND_GLSL 1 +#define COGL_PIPELINE_N_VERTENDS 2 + +#define COGL_PIPELINE_FRAGEND_ARBFP 0 +#define COGL_PIPELINE_FRAGEND_FIXED 1 +#define COGL_PIPELINE_FRAGEND_GLSL 2 +#define COGL_PIPELINE_N_FRAGENDS 3 + +#else /* HAVE_COGL_GL */ + +#ifdef HAVE_COGL_GLES2 + +#define COGL_PIPELINE_PROGEND_GLSL 0 +#define COGL_PIPELINE_VERTEND_GLSL 0 +#define COGL_PIPELINE_FRAGEND_GLSL 0 + +#ifdef HAVE_COGL_GLES +#define COGL_PIPELINE_PROGEND_FIXED 1 +#define COGL_PIPELINE_VERTEND_FIXED 1 +#define COGL_PIPELINE_FRAGEND_FIXED 1 + +#define COGL_PIPELINE_N_PROGENDS 2 +#define COGL_PIPELINE_N_VERTENDS 2 +#define COGL_PIPELINE_N_FRAGENDS 2 +#else +#define COGL_PIPELINE_N_PROGENDS 1 +#define COGL_PIPELINE_N_VERTENDS 1 +#define COGL_PIPELINE_N_FRAGENDS 1 +#endif + +#else /* HAVE_COGL_GLES2 */ + +#ifdef HAVE_COGL_GLES +#define COGL_PIPELINE_PROGEND_FIXED 0 +#define COGL_PIPELINE_VERTEND_FIXED 0 +#define COGL_PIPELINE_FRAGEND_FIXED 0 +#define COGL_PIPELINE_N_PROGENDS 1 +#define COGL_PIPELINE_N_VERTENDS 1 +#define COGL_PIPELINE_N_FRAGENDS 1 +#else +#error No drivers defined +#endif + +#endif /* HAVE_COGL_GLES2 */ + +#endif /* HAVE_COGL_GL */ + +#define COGL_PIPELINE_PROGEND_DEFAULT 0 +#define COGL_PIPELINE_PROGEND_UNDEFINED 3 + +/* XXX: should I rename these as + * COGL_PIPELINE_STATE_INDEX_XYZ... ? + */ +typedef enum +{ + /* sparse state */ + COGL_PIPELINE_STATE_COLOR_INDEX, + COGL_PIPELINE_STATE_BLEND_ENABLE_INDEX, + COGL_PIPELINE_STATE_LAYERS_INDEX, + COGL_PIPELINE_STATE_LIGHTING_INDEX, + COGL_PIPELINE_STATE_ALPHA_FUNC_INDEX, + COGL_PIPELINE_STATE_ALPHA_FUNC_REFERENCE_INDEX, + COGL_PIPELINE_STATE_BLEND_INDEX, + COGL_PIPELINE_STATE_USER_SHADER_INDEX, + COGL_PIPELINE_STATE_DEPTH_INDEX, + COGL_PIPELINE_STATE_FOG_INDEX, + COGL_PIPELINE_STATE_NON_ZERO_POINT_SIZE_INDEX, + COGL_PIPELINE_STATE_POINT_SIZE_INDEX, + COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE_INDEX, + COGL_PIPELINE_STATE_LOGIC_OPS_INDEX, + COGL_PIPELINE_STATE_CULL_FACE_INDEX, + COGL_PIPELINE_STATE_UNIFORMS_INDEX, + COGL_PIPELINE_STATE_VERTEX_SNIPPETS_INDEX, + COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS_INDEX, + + /* non-sparse */ + COGL_PIPELINE_STATE_REAL_BLEND_ENABLE_INDEX, + + COGL_PIPELINE_STATE_COUNT +} CoglPipelineStateIndex; + +#define COGL_PIPELINE_STATE_SPARSE_COUNT (COGL_PIPELINE_STATE_COUNT - 1) + +/* Used in pipeline->differences masks and for notifying pipeline + * state changes. + * + * XXX: If you add or remove state groups here you may need to update + * some of the state masks following this enum too! + * + * FIXME: perhaps it would be better to rename this enum to + * CoglPipelineStateGroup to better convey the fact that a single enum + * here can map to multiple properties. + */ +typedef enum _CoglPipelineState +{ + COGL_PIPELINE_STATE_COLOR = + 1L<big_state. + */ + + /* Layers represent their state in a tree structure where some of + * the state relating to a given pipeline or layer may actually be + * owned by one if is ancestors in the tree. We have a common data + * type to track the tree heirachy so we can share code... */ + CoglNode _parent; + + /* When weak pipelines are destroyed the user is notified via this + * callback */ + CoglPipelineDestroyCallback destroy_callback; + + /* When notifying that a weak pipeline has been destroyed this + * private data is passed to the above callback */ + void *destroy_data; + + /* We need to track if a pipeline is referenced in the journal + * because we can't allow modification to these pipelines without + * flushing the journal first */ + unsigned int journal_ref_count; + + /* A mask of which sparse state groups are different in this + * pipeline in comparison to its parent. */ + unsigned int differences; + + /* Whenever a pipeline is modified we increment the age. There's no + * guarantee that it won't wrap but it can nevertheless be a + * convenient mechanism to determine when a pipeline has been + * changed to you can invalidate some some associated cache that + * depends on the old state. */ + unsigned int age; + + /* This is the primary color of the pipeline. + * + * This is a sparse property, ref COGL_PIPELINE_STATE_COLOR */ + CoglColor color; + + /* A pipeline may be made up with multiple layers used to combine + * textures together. + * + * This is sparse state, ref COGL_PIPELINE_STATE_LAYERS */ + unsigned int n_layers; + GList *layer_differences; + + /* As a basic way to reduce memory usage we divide the pipeline + * state into two groups; the minimal state modified in 90% of + * all pipelines and the rest, so that the second group can + * be allocated dynamically when required... */ + CoglPipelineBigState *big_state; + +#ifdef COGL_DEBUG_ENABLED + /* For debugging purposes it's possible to associate a static const + * string with a pipeline which can be an aid when trying to trace + * where the pipeline originates from */ + const char *static_breadcrumb; +#endif + + /* Cached state... */ + + /* A cached, complete list of the layers this pipeline depends + * on sorted by layer->unit_index. */ + CoglPipelineLayer **layers_cache; + /* To avoid a separate ->layers_cache allocation for common + * pipelines with only a few layers... */ + CoglPipelineLayer *short_layers_cache[3]; + + /* The deprecated cogl_pipeline_get_layers() API returns a + * const GList of layers, which we track here... */ + GList *deprecated_get_layers_list; + + /* XXX: consider adding an authorities cache to speed up sparse + * property value lookups: + * CoglPipeline *authorities_cache[COGL_PIPELINE_N_SPARSE_PROPERTIES]; + * and corresponding authorities_cache_dirty:1 bitfield + */ + + /* bitfields */ + + /* Weak pipelines don't count as dependants on their parents which + * means that the parent pipeline can be modified without + * considering how the modifications may affect the weak pipeline. + */ + unsigned int is_weak:1; + + /* Determines if pipeline->big_state is valid */ + unsigned int has_big_state:1; + + /* By default blending is enabled automatically depending on the + * unlit color, the lighting colors or the texture format. The user + * can override this to explicitly enable or disable blending. + * + * This is a sparse property */ + unsigned int blend_enable:3; + + /* There are many factors that can determine if we need to enable + * blending, this holds our final decision */ + unsigned int real_blend_enable:1; + + /* Since the code for deciding if blending really needs to be + * enabled for a particular pipeline is quite expensive we update + * the real_blend_enable flag lazily when flushing a pipeline if + * this dirty flag has been set. */ + unsigned int dirty_real_blend_enable:1; + + /* Whenever a pipeline is flushed we keep track of whether the + * pipeline was used with a color attribute where we don't know + * whether the colors are opaque. The real_blend_enable state + * depends on this, and must be updated whenever this changes (even + * if dirty_real_blend_enable isn't set) */ + unsigned int unknown_color_alpha:1; + + unsigned int layers_cache_dirty:1; + unsigned int deprecated_get_layers_list_dirty:1; + +#ifdef COGL_DEBUG_ENABLED + /* For debugging purposes it's possible to associate a static const + * string with a pipeline which can be an aid when trying to trace + * where the pipeline originates from */ + unsigned int has_static_breadcrumb:1; +#endif + + /* There are multiple fragment and vertex processing backends for + * CoglPipeline, glsl, arbfp and fixed that are bundled under a + * "progend". This identifies the backend being used for the + * pipeline. */ + unsigned int progend:3; +}; + +typedef struct _CoglPipelineFragend +{ + void (*start) (CoglPipeline *pipeline, + int n_layers, + unsigned long pipelines_difference); + CoglBool (*add_layer) (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + unsigned long layers_difference); + CoglBool (*passthrough) (CoglPipeline *pipeline); + CoglBool (*end) (CoglPipeline *pipeline, + unsigned long pipelines_difference); + + void (*pipeline_pre_change_notify) (CoglPipeline *pipeline, + CoglPipelineState change, + const CoglColor *new_color); + void (*pipeline_set_parent_notify) (CoglPipeline *pipeline); + void (*layer_pre_change_notify) (CoglPipeline *owner, + CoglPipelineLayer *layer, + CoglPipelineLayerState change); +} CoglPipelineFragend; + +typedef struct _CoglPipelineVertend +{ + void (*start) (CoglPipeline *pipeline, + int n_layers, + unsigned long pipelines_difference); + CoglBool (*add_layer) (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + unsigned long layers_difference, + CoglFramebuffer *framebuffer); + CoglBool (*end) (CoglPipeline *pipeline, + unsigned long pipelines_difference); + + void (*pipeline_pre_change_notify) (CoglPipeline *pipeline, + CoglPipelineState change, + const CoglColor *new_color); + void (*layer_pre_change_notify) (CoglPipeline *owner, + CoglPipelineLayer *layer, + CoglPipelineLayerState change); +} CoglPipelineVertend; + +typedef struct +{ + int vertend; + int fragend; + CoglBool (*start) (CoglPipeline *pipeline); + void (*end) (CoglPipeline *pipeline, + unsigned long pipelines_difference); + void (*pipeline_pre_change_notify) (CoglPipeline *pipeline, + CoglPipelineState change, + const CoglColor *new_color); + void (*layer_pre_change_notify) (CoglPipeline *owner, + CoglPipelineLayer *layer, + CoglPipelineLayerState change); + /* This is called after all of the other functions whenever the + pipeline is flushed, even if the pipeline hasn't changed since + the last flush */ + void (* pre_paint) (CoglPipeline *pipeline, CoglFramebuffer *framebuffer); +} CoglPipelineProgend; + +typedef enum +{ + COGL_PIPELINE_PROGRAM_TYPE_GLSL = 1, + COGL_PIPELINE_PROGRAM_TYPE_ARBFP, + COGL_PIPELINE_PROGRAM_TYPE_FIXED +} CoglPipelineProgramType; + +extern const CoglPipelineFragend * +_cogl_pipeline_fragends[COGL_PIPELINE_N_FRAGENDS]; +extern const CoglPipelineVertend * +_cogl_pipeline_vertends[COGL_PIPELINE_N_VERTENDS]; +extern const CoglPipelineProgend * +_cogl_pipeline_progends[]; + +void +_cogl_pipeline_init_default_pipeline (void); + +static inline CoglPipeline * +_cogl_pipeline_get_parent (CoglPipeline *pipeline) +{ + CoglNode *parent_node = COGL_NODE (pipeline)->parent; + return COGL_PIPELINE (parent_node); +} + +static inline CoglPipeline * +_cogl_pipeline_get_authority (CoglPipeline *pipeline, + unsigned long difference) +{ + CoglPipeline *authority = pipeline; + while (!(authority->differences & difference)) + authority = _cogl_pipeline_get_parent (authority); + return authority; +} + +typedef CoglBool (*CoglPipelineStateComparitor) (CoglPipeline *authority0, + CoglPipeline *authority1); + +void +_cogl_pipeline_update_authority (CoglPipeline *pipeline, + CoglPipeline *authority, + CoglPipelineState state, + CoglPipelineStateComparitor comparitor); + +void +_cogl_pipeline_pre_change_notify (CoglPipeline *pipeline, + CoglPipelineState change, + const CoglColor *new_color, + CoglBool from_layer_change); + +void +_cogl_pipeline_prune_redundant_ancestry (CoglPipeline *pipeline); + +void +_cogl_pipeline_update_real_blend_enable (CoglPipeline *pipeline, + CoglBool unknown_color_alpha); + +typedef enum +{ + COGL_PIPELINE_GET_LAYER_NO_CREATE = 1<<0 +} CoglPipelineGetLayerFlags; + +CoglPipelineLayer * +_cogl_pipeline_get_layer_with_flags (CoglPipeline *pipeline, + int layer_index, + CoglPipelineGetLayerFlags flags); + +#define _cogl_pipeline_get_layer(p, l) \ + _cogl_pipeline_get_layer_with_flags (p, l, 0) + +CoglBool +_cogl_is_pipeline_layer (void *object); + +void +_cogl_pipeline_prune_empty_layer_difference (CoglPipeline *layers_authority, + CoglPipelineLayer *layer); + +/* + * SECTION:cogl-pipeline-internals + * @short_description: Functions for creating custom primitives that make use + * of Cogl pipelines for filling. + * + * Normally you shouldn't need to use this API directly, but if you need to + * developing a custom/specialised primitive - probably using raw OpenGL - then + * this API aims to expose enough of the pipeline internals to support being + * able to fill your geometry according to a given Cogl pipeline. + */ + +CoglBool +_cogl_pipeline_get_real_blend_enabled (CoglPipeline *pipeline); + +/* + * Calls the pre_paint method on the layer texture if there is + * one. This will determine whether mipmaps are needed based on the + * filter settings. + */ +void +_cogl_pipeline_pre_paint_for_layer (CoglPipeline *pipeline, + int layer_id); + +/* + * CoglPipelineFlushFlag: + * @COGL_PIPELINE_FLUSH_FALLBACK_MASK: The fallback_layers member is set to + * a uint32_t mask of the layers that can't be supported with the user + * supplied texture and need to be replaced with fallback textures. (1 = + * fallback, and the least significant bit = layer 0) + * @COGL_PIPELINE_FLUSH_DISABLE_MASK: The disable_layers member is set to + * a uint32_t mask of the layers that you want to completly disable + * texturing for (1 = fallback, and the least significant bit = layer 0) + * @COGL_PIPELINE_FLUSH_LAYER0_OVERRIDE: The layer0_override_texture member is + * set to a GLuint OpenGL texture name to override the texture used for + * layer 0 of the pipeline. This is intended for dealing with sliced + * textures where you will need to point to each of the texture slices in + * turn when drawing your geometry. Passing a value of 0 is the same as + * not passing the option at all. + * @COGL_PIPELINE_FLUSH_SKIP_GL_COLOR: When flushing the GL state for the + * pipeline don't call glColor. + */ +typedef enum _CoglPipelineFlushFlag +{ + COGL_PIPELINE_FLUSH_FALLBACK_MASK = 1L<<0, + COGL_PIPELINE_FLUSH_DISABLE_MASK = 1L<<1, + COGL_PIPELINE_FLUSH_LAYER0_OVERRIDE = 1L<<2, + COGL_PIPELINE_FLUSH_SKIP_GL_COLOR = 1L<<3 +} CoglPipelineFlushFlag; + +/* + * CoglPipelineFlushOptions: + * + */ +typedef struct _CoglPipelineFlushOptions +{ + CoglPipelineFlushFlag flags; + + uint32_t fallback_layers; + uint32_t disable_layers; + CoglTexture *layer0_override_texture; +} CoglPipelineFlushOptions; + +void +_cogl_use_fragment_program (GLuint gl_program, CoglPipelineProgramType type); + +void +_cogl_use_vertex_program (GLuint gl_program, CoglPipelineProgramType type); + +unsigned int +_cogl_get_n_args_for_combine_func (CoglPipelineCombineFunc func); + +/* + * _cogl_pipeline_weak_copy: + * @pipeline: A #CoglPipeline object + * @callback: A callback to notify when your weak pipeline is destroyed + * @user_data: Private data to pass to your given callback. + * + * Returns a weak copy of the given source @pipeline. Unlike a normal + * copy no internal reference is taken on the source @pipeline and you + * can expect that later modifications of the source pipeline (or in + * fact any other pipeline) can result in the weak pipeline being + * destroyed. + * + * To understand this better its good to know a bit about the internal + * design of #CoglPipeline... + * + * Internally #CoglPipelines are represented as a graph of + * property diff's, where each node is a diff of properties that gets + * applied on top of its parent. Copying a pipeline creates an empty + * diff and a child->parent relationship between the empty diff and + * the source @pipeline, parent. + * + * Because of this internal graph design a single #CoglPipeline may + * indirectly depend on a chain of ancestors to fully define all of + * its properties. Because a node depends on its ancestors it normally + * owns a reference to its parent to stop it from being freed. Also if + * you try to modify a pipeline with children we internally use a + * copy-on-write mechanism to ensure that you don't indirectly change + * the properties those children. + * + * Weak pipelines avoid the use of copy-on-write to preserve the + * integrity of weak dependants and instead weak dependants are + * simply destroyed allowing the parent to be modified directly. Also + * because weak pipelines don't own a reference to their parent they + * won't stop the source @pipeline from being freed when the user + * releases their reference on it. + * + * Because weak pipelines don't own a reference on their parent they + * are the recommended mechanism for creating derived pipelines that you + * want to cache as a private property of the original pipeline + * because they won't result in a circular dependency. + * + * An example use case: + * + * Consider for example you are implementing a custom primitive that is + * not compatible with certain source pipelines. To handle this you + * implement a validation stage that given an arbitrary pipeline as + * input will create a derived pipeline that is suitable for drawing + * your primitive. + * + * Because you don't want to have to repeat this validation every time + * the same incompatible pipeline is given as input you want to cache + * the result as a private property of the original pipeline. If the + * derived pipeline were created using cogl_pipeline_copy that would + * create a circular dependency so the original pipeline can never be + * freed. + * + * If you instead create a weak copy you won't stop the original pipeline + * from being freed if it's no longer needed, and you will instead simply + * be notified that your weak pipeline has been destroyed. + * + * This is the recommended coding pattern for validating an input + * pipeline and caching a derived result: + * |[ + * static CoglUserDataKey _cogl_my_cache_key; + * + * typedef struct { + * CoglPipeline *validated_source; + * } MyValidatedMaterialCache; + * + * static void + * destroy_cache_cb (CoglObject *object, void *user_data) + * { + * g_slice_free (MyValidatedMaterialCache, user_data); + * } + * + * static void + * invalidate_cache_cb (CoglPipeline *destroyed, void *user_data) + * { + * MyValidatedMaterialCache *cache = user_data; + * cogl_object_unref (cache->validated_source); + * cache->validated_source = NULL; + * } + * + * static CoglPipeline * + * get_validated_pipeline (CoglPipeline *source) + * { + * MyValidatedMaterialCache *cache = + * cogl_object_get_user_data (COGL_OBJECT (source), + * &_cogl_my_cache_key); + * if (G_UNLIKELY (cache == NULL)) + * { + * cache = g_slice_new (MyValidatedMaterialCache); + * cogl_object_set_user_data (COGL_OBJECT (source), + * &_cogl_my_cache_key, + * cache, destroy_cache_cb); + * cache->validated_source = source; + * } + * + * if (G_UNLIKELY (cache->validated_source == NULL)) + * { + * cache->validated_source = source; + * + * / * Start validating source... * / + * + * / * If you find you need to change something... * / + * if (cache->validated_source == source) + * cache->validated_source = + * cogl_pipeline_weak_copy (source, + * invalidate_cache_cb, + * cache); + * + * / * Modify cache->validated_source * / + * } + * + * return cache->validated_source; + * } + * ]| + */ +CoglPipeline * +_cogl_pipeline_weak_copy (CoglPipeline *pipeline, + CoglPipelineDestroyCallback callback, + void *user_data); + +void +_cogl_pipeline_set_progend (CoglPipeline *pipeline, int progend); + +CoglPipeline * +_cogl_pipeline_get_parent (CoglPipeline *pipeline); + +void +_cogl_pipeline_get_colorubv (CoglPipeline *pipeline, + uint8_t *color); + +/* XXX: At some point it could be good for this to accept a mask of + * the state groups we are interested in comparing since we can + * probably use that information in a number situations to reduce + * the work we do. */ +unsigned long +_cogl_pipeline_compare_differences (CoglPipeline *pipeline0, + CoglPipeline *pipeline1); + +CoglBool +_cogl_pipeline_equal (CoglPipeline *pipeline0, + CoglPipeline *pipeline1, + unsigned int differences, + unsigned long layer_differences, + CoglPipelineEvalFlags flags); + +unsigned int +_cogl_pipeline_hash (CoglPipeline *pipeline, + unsigned int differences, + unsigned long layer_differences, + CoglPipelineEvalFlags flags); + +/* Makes a copy of the given pipeline that is a child of the root + * pipeline rather than a child of the source pipeline. That way the + * new pipeline won't hold a reference to the source pipeline. The + * differences specified in @differences and @layer_differences are + * copied across and all other state is left with the default + * values. */ +CoglPipeline * +_cogl_pipeline_deep_copy (CoglPipeline *pipeline, + unsigned long differences, + unsigned long layer_differences); + +CoglPipeline * +_cogl_pipeline_journal_ref (CoglPipeline *pipeline); + +void +_cogl_pipeline_journal_unref (CoglPipeline *pipeline); + +const CoglMatrix * +_cogl_pipeline_get_layer_matrix (CoglPipeline *pipeline, + int layer_index); + +void +_cogl_pipeline_texture_storage_change_notify (CoglTexture *texture); + +void +_cogl_pipeline_apply_legacy_state (CoglPipeline *pipeline); + +void +_cogl_pipeline_apply_overrides (CoglPipeline *pipeline, + CoglPipelineFlushOptions *options); + +CoglPipelineBlendEnable +_cogl_pipeline_get_blend_enabled (CoglPipeline *pipeline); + +void +_cogl_pipeline_set_blend_enabled (CoglPipeline *pipeline, + CoglPipelineBlendEnable enable); + +CoglBool +_cogl_pipeline_get_fog_enabled (CoglPipeline *pipeline); + +#ifdef COGL_DEBUG_ENABLED +void +_cogl_pipeline_set_static_breadcrumb (CoglPipeline *pipeline, + const char *breadcrumb); +#endif + +unsigned long +_cogl_pipeline_get_age (CoglPipeline *pipeline); + +CoglPipeline * +_cogl_pipeline_get_authority (CoglPipeline *pipeline, + unsigned long difference); + +void +_cogl_pipeline_add_layer_difference (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + CoglBool inc_n_layers); + +void +_cogl_pipeline_remove_layer_difference (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + CoglBool dec_n_layers); + +CoglPipeline * +_cogl_pipeline_find_equivalent_parent (CoglPipeline *pipeline, + CoglPipelineState pipeline_state, + CoglPipelineLayerState layer_state); + +void +_cogl_pipeline_get_layer_combine_constant (CoglPipeline *pipeline, + int layer_index, + float *constant); + +void +_cogl_pipeline_prune_to_n_layers (CoglPipeline *pipeline, int n); + + +/* + * API to support the deprecate cogl_pipeline_layer_xyz functions... + */ + +const GList * +_cogl_pipeline_get_layers (CoglPipeline *pipeline); + +typedef CoglBool (*CoglPipelineInternalLayerCallback) (CoglPipelineLayer *layer, + void *user_data); + +void +_cogl_pipeline_foreach_layer_internal (CoglPipeline *pipeline, + CoglPipelineInternalLayerCallback callback, + void *user_data); + +CoglBool +_cogl_pipeline_layer_numbers_equal (CoglPipeline *pipeline0, + CoglPipeline *pipeline1); + +CoglBool +_cogl_pipeline_layer_and_unit_numbers_equal (CoglPipeline *pipeline0, + CoglPipeline *pipeline1); + +CoglBool +_cogl_pipeline_need_texture_combine_separate + (CoglPipelineLayer *combine_authority); + +void +_cogl_pipeline_init_state_hash_functions (void); + +void +_cogl_pipeline_init_layer_state_hash_functions (void); + +CoglPipelineState +_cogl_pipeline_get_state_for_vertex_codegen (CoglContext *context); + +CoglPipelineLayerState +_cogl_pipeline_get_layer_state_for_fragment_codegen (CoglContext *context); + +CoglPipelineState +_cogl_pipeline_get_state_for_fragment_codegen (CoglContext *context); + +#endif /* __COGL_PIPELINE_PRIVATE_H */ + diff --git a/cogl/cogl-pipeline-snippet-private.h b/cogl/cogl-pipeline-snippet-private.h new file mode 100644 index 0000000..7a9d233 --- /dev/null +++ b/cogl/cogl-pipeline-snippet-private.h @@ -0,0 +1,116 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011, 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_PIPELINE_SNIPPET_PRIVATE_H +#define __COGL_PIPELINE_SNIPPET_PRIVATE_H + +#include + +#include "cogl-snippet.h" + +typedef struct +{ + GList *entries; +} CoglPipelineSnippetList; + +/* Arguments to pass to _cogl_pipeline_snippet_generate_code() */ +typedef struct +{ + CoglPipelineSnippetList *snippets; + + /* Only snippets at this hook point will be used */ + CoglSnippetHook hook; + + /* The final function to chain on to after all of the snippets code + has been run */ + const char *chain_function; + + /* The name of the final generated function */ + const char *final_name; + + /* A prefix to insert before each generate function name */ + const char *function_prefix; + + /* The return type of all of the functions, or NULL to use void */ + const char *return_type; + + /* A variable to return from the functions. The snippets are + expected to modify this variable. Ignored if return_type is + NULL */ + const char *return_variable; + + /* If this is TRUE then it won't allocate a separate variable for + the return value. Instead it is expected that the snippet will + modify one of the argument variables directly and that will be + returned */ + CoglBool return_variable_is_argument; + + /* The argument names or NULL if there are none */ + const char *arguments; + + /* The argument types or NULL */ + const char *argument_declarations; + + /* The string to generate the source into */ + GString *source_buf; +} CoglPipelineSnippetData; + +void +_cogl_pipeline_snippet_generate_code (const CoglPipelineSnippetData *data); + +void +_cogl_pipeline_snippet_generate_declarations (GString *declarations_buf, + CoglSnippetHook hook, + CoglPipelineSnippetList *list); + +void +_cogl_pipeline_snippet_list_free (CoglPipelineSnippetList *list); + +void +_cogl_pipeline_snippet_list_add (CoglPipelineSnippetList *list, + CoglSnippet *snippet); + +void +_cogl_pipeline_snippet_list_copy (CoglPipelineSnippetList *dst, + const CoglPipelineSnippetList *src); + +void +_cogl_pipeline_snippet_list_hash (CoglPipelineSnippetList *list, + unsigned int *hash); + +CoglBool +_cogl_pipeline_snippet_list_equal (CoglPipelineSnippetList *list0, + CoglPipelineSnippetList *list1); + +#endif /* __COGL_PIPELINE_SNIPPET_PRIVATE_H */ + diff --git a/cogl/cogl-pipeline-snippet.c b/cogl/cogl-pipeline-snippet.c new file mode 100644 index 0000000..59f85b3 --- /dev/null +++ b/cogl/cogl-pipeline-snippet.c @@ -0,0 +1,286 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011, 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-types.h" +#include "cogl-pipeline-snippet-private.h" +#include "cogl-snippet-private.h" +#include "cogl-util.h" + +/* Helper functions that are used by both GLSL pipeline backends */ + +void +_cogl_pipeline_snippet_generate_code (const CoglPipelineSnippetData *data) +{ + GList *first_snippet, *l; + CoglSnippet *snippet; + int snippet_num = 0; + int n_snippets = 0; + + first_snippet = data->snippets->entries; + + /* First count the number of snippets so we can easily tell when + we're at the last one */ + for (l = data->snippets->entries; l; l = l->next) + { + snippet = l->data; + + if (snippet->hook == data->hook) + { + /* Don't bother processing any previous snippets if we reach + one that has a replacement */ + if (snippet->replace) + { + n_snippets = 1; + first_snippet = l; + } + else + n_snippets++; + } + } + + /* If there weren't any snippets then generate a stub function with + the final name */ + if (n_snippets == 0) + { + if (data->return_type) + g_string_append_printf (data->source_buf, + "\n" + "%s\n" + "%s (%s)\n" + "{\n" + " return %s (%s);\n" + "}\n", + data->return_type, + data->final_name, + data->argument_declarations ? + data->argument_declarations : "", + data->chain_function, + data->arguments ? data->arguments : ""); + else + g_string_append_printf (data->source_buf, + "\n" + "void\n" + "%s (%s)\n" + "{\n" + " %s (%s);\n" + "}\n", + data->final_name, + data->argument_declarations ? + data->argument_declarations : "", + data->chain_function, + data->arguments ? data->arguments : ""); + + return; + } + + for (l = first_snippet; snippet_num < n_snippets; l = l->next) + { + snippet = l->data; + + if (snippet->hook == data->hook) + { + const char *source; + + if ((source = cogl_snippet_get_declarations (snippet))) + g_string_append (data->source_buf, source); + + g_string_append_printf (data->source_buf, + "\n" + "%s\n", + data->return_type ? + data->return_type : + "void"); + + if (snippet_num + 1 < n_snippets) + g_string_append_printf (data->source_buf, + "%s_%i", + data->function_prefix, + snippet_num); + else + g_string_append (data->source_buf, data->final_name); + + g_string_append (data->source_buf, " ("); + + if (data->argument_declarations) + g_string_append (data->source_buf, data->argument_declarations); + + g_string_append (data->source_buf, + ")\n" + "{\n"); + + if (data->return_type && !data->return_variable_is_argument) + g_string_append_printf (data->source_buf, + " %s %s;\n" + "\n", + data->return_type, + data->return_variable); + + if ((source = cogl_snippet_get_pre (snippet))) + g_string_append (data->source_buf, source); + + /* Chain on to the next function, or bypass it if there is + a replace string */ + if ((source = cogl_snippet_get_replace (snippet))) + g_string_append (data->source_buf, source); + else + { + g_string_append (data->source_buf, " "); + + if (data->return_type) + g_string_append_printf (data->source_buf, + "%s = ", + data->return_variable); + + if (snippet_num > 0) + g_string_append_printf (data->source_buf, + "%s_%i", + data->function_prefix, + snippet_num - 1); + else + g_string_append (data->source_buf, data->chain_function); + + g_string_append (data->source_buf, " ("); + + if (data->arguments) + g_string_append (data->source_buf, data->arguments); + + g_string_append (data->source_buf, ");\n"); + } + + if ((source = cogl_snippet_get_post (snippet))) + g_string_append (data->source_buf, source); + + if (data->return_type) + g_string_append_printf (data->source_buf, + " return %s;\n", + data->return_variable); + + g_string_append (data->source_buf, "}\n"); + snippet_num++; + } + } +} + +void +_cogl_pipeline_snippet_generate_declarations (GString *declarations_buf, + CoglSnippetHook hook, + CoglPipelineSnippetList *snippets) +{ + GList *l; + + for (l = snippets->entries; l; l = l->next) + { + CoglSnippet *snippet = l->data; + + if (snippet->hook == hook) + { + const char *source; + + if ((source = cogl_snippet_get_declarations (snippet))) + g_string_append (declarations_buf, source); + } + } +} + +void +_cogl_pipeline_snippet_list_free (CoglPipelineSnippetList *list) +{ + GList *l, *tmp; + + for (l = list->entries; l; l = tmp) + { + tmp = l->next; + + cogl_object_unref (l->data); + g_list_free_1 (l); + } +} + +void +_cogl_pipeline_snippet_list_add (CoglPipelineSnippetList *list, + CoglSnippet *snippet) +{ + list->entries = g_list_append (list->entries, cogl_object_ref (snippet)); + + _cogl_snippet_make_immutable (snippet); +} + +void +_cogl_pipeline_snippet_list_copy (CoglPipelineSnippetList *dst, + const CoglPipelineSnippetList *src) +{ + GQueue queue = G_QUEUE_INIT; + const GList *l; + + for (l = src->entries; l; l = l->next) + g_queue_push_tail (&queue, cogl_object_ref (l->data)); + + dst->entries = queue.head; +} + +void +_cogl_pipeline_snippet_list_hash (CoglPipelineSnippetList *list, + unsigned int *hash) +{ + GList *l; + + for (l = list->entries; l; l = l->next) + { + CoglSnippet *snippet = l->data; + + *hash = _cogl_util_one_at_a_time_hash (*hash, + &snippet, + sizeof (CoglSnippet *)); + } +} + +CoglBool +_cogl_pipeline_snippet_list_equal (CoglPipelineSnippetList *list0, + CoglPipelineSnippetList *list1) +{ + GList *l0, *l1; + + for (l0 = list0->entries, l1 = list1->entries; + l0 && l1; + l0 = l0->next, l1 = l1->next) + if (l0->data != l1->data) + return FALSE; + + return l0 == NULL && l1 == NULL; +} diff --git a/cogl/cogl-pipeline-state-private.h b/cogl/cogl-pipeline-state-private.h new file mode 100644 index 0000000..366683e --- /dev/null +++ b/cogl/cogl-pipeline-state-private.h @@ -0,0 +1,196 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PIPELINE_STATE_PRIVATE_H +#define __COGL_PIPELINE_STATE_PRIVATE_H + +CoglPipeline * +_cogl_pipeline_get_user_program (CoglPipeline *pipeline); + +CoglBool +_cogl_pipeline_has_vertex_snippets (CoglPipeline *pipeline); + +CoglBool +_cogl_pipeline_has_fragment_snippets (CoglPipeline *pipeline); + +CoglBool +_cogl_pipeline_has_non_layer_vertex_snippets (CoglPipeline *pipeline); + +CoglBool +_cogl_pipeline_has_non_layer_fragment_snippets (CoglPipeline *pipeline); + +void +_cogl_pipeline_set_fog_state (CoglPipeline *pipeline, + const CoglPipelineFogState *fog_state); + +CoglBool +_cogl_pipeline_color_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_lighting_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_alpha_func_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_alpha_func_reference_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_blend_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_depth_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_fog_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_non_zero_point_size_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_point_size_equal (CoglPipeline *authority0, + CoglPipeline *authority1); +CoglBool +_cogl_pipeline_per_vertex_point_size_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_logic_ops_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_user_shader_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_cull_face_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_uniforms_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_vertex_snippets_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +CoglBool +_cogl_pipeline_fragment_snippets_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1); + +void +_cogl_pipeline_hash_color_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_blend_enable_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_layers_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_lighting_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_alpha_func_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_alpha_func_reference_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_blend_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_user_shader_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_depth_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_fog_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_non_zero_point_size_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_point_size_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_per_vertex_point_size_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_logic_ops_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_cull_face_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_uniforms_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_vertex_snippets_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_hash_fragment_snippets_state (CoglPipeline *authority, + CoglPipelineHashState *state); + +void +_cogl_pipeline_compare_uniform_differences (unsigned long *differences, + CoglPipeline *pipeline0, + CoglPipeline *pipeline1); + +#endif /* __COGL_PIPELINE_STATE_PRIVATE_H */ diff --git a/cogl/cogl-pipeline-state.c b/cogl/cogl-pipeline-state.c new file mode 100644 index 0000000..04c76f8 --- /dev/null +++ b/cogl/cogl-pipeline-state.c @@ -0,0 +1,2171 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-color-private.h" +#include "cogl-blend-string.h" +#include "cogl-util.h" +#include "cogl-depth-state-private.h" +#include "cogl-pipeline-state-private.h" +#include "cogl-snippet-private.h" +#include "cogl-error-private.h" + +#include + +#include "string.h" + +#ifndef GL_FUNC_ADD +#define GL_FUNC_ADD 0x8006 +#endif + +CoglPipeline * +_cogl_pipeline_get_user_program (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), NULL); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_USER_SHADER); + + return authority->big_state->user_program; +} + +CoglBool +_cogl_pipeline_color_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + return cogl_color_equal (&authority0->color, &authority1->color); +} + +CoglBool +_cogl_pipeline_lighting_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + CoglPipelineLightingState *state0 = &authority0->big_state->lighting_state; + CoglPipelineLightingState *state1 = &authority1->big_state->lighting_state; + + if (memcmp (state0->ambient, state1->ambient, sizeof (float) * 4) != 0) + return FALSE; + if (memcmp (state0->diffuse, state1->diffuse, sizeof (float) * 4) != 0) + return FALSE; + if (memcmp (state0->specular, state1->specular, sizeof (float) * 4) != 0) + return FALSE; + if (memcmp (state0->emission, state1->emission, sizeof (float) * 4) != 0) + return FALSE; + if (state0->shininess != state1->shininess) + return FALSE; + + return TRUE; +} + +CoglBool +_cogl_pipeline_alpha_func_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + CoglPipelineAlphaFuncState *alpha_state0 = + &authority0->big_state->alpha_state; + CoglPipelineAlphaFuncState *alpha_state1 = + &authority1->big_state->alpha_state; + + return alpha_state0->alpha_func == alpha_state1->alpha_func; +} + +CoglBool +_cogl_pipeline_alpha_func_reference_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + CoglPipelineAlphaFuncState *alpha_state0 = + &authority0->big_state->alpha_state; + CoglPipelineAlphaFuncState *alpha_state1 = + &authority1->big_state->alpha_state; + + return (alpha_state0->alpha_func_reference == + alpha_state1->alpha_func_reference); +} + +CoglBool +_cogl_pipeline_blend_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + CoglPipelineBlendState *blend_state0 = &authority0->big_state->blend_state; + CoglPipelineBlendState *blend_state1 = &authority1->big_state->blend_state; + + _COGL_GET_CONTEXT (ctx, FALSE); + + if (blend_state0->blend_equation_rgb != blend_state1->blend_equation_rgb) + return FALSE; + + if (blend_state0->blend_equation_alpha != + blend_state1->blend_equation_alpha) + return FALSE; + if (blend_state0->blend_src_factor_alpha != + blend_state1->blend_src_factor_alpha) + return FALSE; + if (blend_state0->blend_dst_factor_alpha != + blend_state1->blend_dst_factor_alpha) + return FALSE; + + if (blend_state0->blend_src_factor_rgb != + blend_state1->blend_src_factor_rgb) + return FALSE; + if (blend_state0->blend_dst_factor_rgb != + blend_state1->blend_dst_factor_rgb) + return FALSE; + + if (blend_state0->blend_src_factor_rgb == GL_ONE_MINUS_CONSTANT_COLOR || + blend_state0->blend_src_factor_rgb == GL_CONSTANT_COLOR || + blend_state0->blend_dst_factor_rgb == GL_ONE_MINUS_CONSTANT_COLOR || + blend_state0->blend_dst_factor_rgb == GL_CONSTANT_COLOR) + { + if (!cogl_color_equal (&blend_state0->blend_constant, + &blend_state1->blend_constant)) + return FALSE; + } + + return TRUE; +} + +CoglBool +_cogl_pipeline_depth_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + if (authority0->big_state->depth_state.test_enabled == FALSE && + authority1->big_state->depth_state.test_enabled == FALSE) + return TRUE; + else + { + CoglDepthState *s0 = &authority0->big_state->depth_state; + CoglDepthState *s1 = &authority1->big_state->depth_state; + return s0->test_enabled == s1->test_enabled && + s0->test_function == s1->test_function && + s0->write_enabled == s1->write_enabled && + s0->range_near == s1->range_near && + s0->range_far == s1->range_far; + } +} + +CoglBool +_cogl_pipeline_fog_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + CoglPipelineFogState *fog_state0 = &authority0->big_state->fog_state; + CoglPipelineFogState *fog_state1 = &authority1->big_state->fog_state; + + if (fog_state0->enabled == fog_state1->enabled && + cogl_color_equal (&fog_state0->color, &fog_state1->color) && + fog_state0->mode == fog_state1->mode && + fog_state0->density == fog_state1->density && + fog_state0->z_near == fog_state1->z_near && + fog_state0->z_far == fog_state1->z_far) + return TRUE; + else + return FALSE; +} + +CoglBool +_cogl_pipeline_non_zero_point_size_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + return (authority0->big_state->non_zero_point_size == + authority1->big_state->non_zero_point_size); +} + +CoglBool +_cogl_pipeline_point_size_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + return authority0->big_state->point_size == authority1->big_state->point_size; +} + +CoglBool +_cogl_pipeline_per_vertex_point_size_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + return (authority0->big_state->per_vertex_point_size == + authority1->big_state->per_vertex_point_size); +} + +CoglBool +_cogl_pipeline_logic_ops_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + CoglPipelineLogicOpsState *logic_ops_state0 = &authority0->big_state->logic_ops_state; + CoglPipelineLogicOpsState *logic_ops_state1 = &authority1->big_state->logic_ops_state; + + return logic_ops_state0->color_mask == logic_ops_state1->color_mask; +} + +CoglBool +_cogl_pipeline_cull_face_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + CoglPipelineCullFaceState *cull_face_state0 + = &authority0->big_state->cull_face_state; + CoglPipelineCullFaceState *cull_face_state1 + = &authority1->big_state->cull_face_state; + + /* The cull face state is considered equal if two pipelines are both + set to no culling. If the front winding property is ever used for + anything else or the comparison is used not just for drawing then + this would have to change */ + + if (cull_face_state0->mode == COGL_PIPELINE_CULL_FACE_MODE_NONE) + return cull_face_state1->mode == COGL_PIPELINE_CULL_FACE_MODE_NONE; + + return (cull_face_state0->mode == cull_face_state1->mode && + cull_face_state0->front_winding == cull_face_state1->front_winding); +} + +CoglBool +_cogl_pipeline_user_shader_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + return (authority0->big_state->user_program == + authority1->big_state->user_program); +} + +typedef struct +{ + const CoglBoxedValue **dst_values; + const CoglBoxedValue *src_values; + int override_count; +} GetUniformsClosure; + +static CoglBool +get_uniforms_cb (int uniform_num, void *user_data) +{ + GetUniformsClosure *data = user_data; + + if (data->dst_values[uniform_num] == NULL) + data->dst_values[uniform_num] = data->src_values + data->override_count; + + data->override_count++; + + return TRUE; +} + +static void +_cogl_pipeline_get_all_uniform_values (CoglPipeline *pipeline, + const CoglBoxedValue **values) +{ + GetUniformsClosure data; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + memset (values, 0, + sizeof (const CoglBoxedValue *) * ctx->n_uniform_names); + + data.dst_values = values; + + do + { + if ((pipeline->differences & COGL_PIPELINE_STATE_UNIFORMS)) + { + const CoglPipelineUniformsState *uniforms_state = + &pipeline->big_state->uniforms_state; + + data.override_count = 0; + data.src_values = uniforms_state->override_values; + + _cogl_bitmask_foreach (&uniforms_state->override_mask, + get_uniforms_cb, + &data); + } + pipeline = _cogl_pipeline_get_parent (pipeline); + } + while (pipeline); +} + +CoglBool +_cogl_pipeline_uniforms_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + unsigned long *differences; + const CoglBoxedValue **values0, **values1; + int n_longs; + int i; + + _COGL_GET_CONTEXT (ctx, FALSE); + + if (authority0 == authority1) + return TRUE; + + values0 = g_alloca (sizeof (const CoglBoxedValue *) * ctx->n_uniform_names); + values1 = g_alloca (sizeof (const CoglBoxedValue *) * ctx->n_uniform_names); + + n_longs = COGL_FLAGS_N_LONGS_FOR_SIZE (ctx->n_uniform_names); + differences = g_alloca (n_longs * sizeof (unsigned long)); + memset (differences, 0, sizeof (unsigned long) * n_longs); + _cogl_pipeline_compare_uniform_differences (differences, + authority0, + authority1); + + _cogl_pipeline_get_all_uniform_values (authority0, values0); + _cogl_pipeline_get_all_uniform_values (authority1, values1); + + COGL_FLAGS_FOREACH_START (differences, n_longs, i) + { + const CoglBoxedValue *value0 = values0[i]; + const CoglBoxedValue *value1 = values1[i]; + + if (value0 == NULL) + { + if (value1 != NULL && value1->type != COGL_BOXED_NONE) + return FALSE; + } + else if (value1 == NULL) + { + if (value0 != NULL && value0->type != COGL_BOXED_NONE) + return FALSE; + } + else if (!_cogl_boxed_value_equal (value0, value1)) + return FALSE; + } + COGL_FLAGS_FOREACH_END; + + return TRUE; +} + +CoglBool +_cogl_pipeline_vertex_snippets_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + return _cogl_pipeline_snippet_list_equal (&authority0->big_state-> + vertex_snippets, + &authority1->big_state-> + vertex_snippets); +} + +CoglBool +_cogl_pipeline_fragment_snippets_state_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + return _cogl_pipeline_snippet_list_equal (&authority0->big_state-> + fragment_snippets, + &authority1->big_state-> + fragment_snippets); +} + +void +cogl_pipeline_get_color (CoglPipeline *pipeline, + CoglColor *color) +{ + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_COLOR); + + *color = authority->color; +} + +/* This is used heavily by the cogl journal when logging quads */ +void +_cogl_pipeline_get_colorubv (CoglPipeline *pipeline, + uint8_t *color) +{ + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_COLOR); + + _cogl_color_get_rgba_4ubv (&authority->color, color); +} + +void +cogl_pipeline_set_color (CoglPipeline *pipeline, + const CoglColor *color) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_COLOR; + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + if (cogl_color_equal (color, &authority->color)) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, color, FALSE); + + pipeline->color = *color; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_color_equal); + + pipeline->dirty_real_blend_enable = TRUE; +} + +void +cogl_pipeline_set_color4ub (CoglPipeline *pipeline, + uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha) +{ + CoglColor color; + cogl_color_init_from_4ub (&color, red, green, blue, alpha); + cogl_pipeline_set_color (pipeline, &color); +} + +void +cogl_pipeline_set_color4f (CoglPipeline *pipeline, + float red, + float green, + float blue, + float alpha) +{ + CoglColor color; + cogl_color_init_from_4f (&color, red, green, blue, alpha); + cogl_pipeline_set_color (pipeline, &color); +} + +CoglPipelineBlendEnable +_cogl_pipeline_get_blend_enabled (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_BLEND_ENABLE); + return authority->blend_enable; +} + +static CoglBool +_cogl_pipeline_blend_enable_equal (CoglPipeline *authority0, + CoglPipeline *authority1) +{ + return authority0->blend_enable == authority1->blend_enable ? TRUE : FALSE; +} + +void +_cogl_pipeline_set_blend_enabled (CoglPipeline *pipeline, + CoglPipelineBlendEnable enable) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_BLEND_ENABLE; + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + _COGL_RETURN_IF_FAIL (enable > 1 && + "don't pass TRUE or FALSE to _set_blend_enabled!"); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + if (authority->blend_enable == enable) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + pipeline->blend_enable = enable; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_blend_enable_equal); + + pipeline->dirty_real_blend_enable = TRUE; +} + +void +cogl_pipeline_get_ambient (CoglPipeline *pipeline, + CoglColor *ambient) +{ + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LIGHTING); + + cogl_color_init_from_4fv (ambient, + authority->big_state->lighting_state.ambient); +} + +void +cogl_pipeline_set_ambient (CoglPipeline *pipeline, + const CoglColor *ambient) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_LIGHTING; + CoglPipeline *authority; + CoglPipelineLightingState *lighting_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + lighting_state = &authority->big_state->lighting_state; + if (cogl_color_equal (ambient, &lighting_state->ambient)) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + lighting_state = &pipeline->big_state->lighting_state; + lighting_state->ambient[0] = cogl_color_get_red_float (ambient); + lighting_state->ambient[1] = cogl_color_get_green_float (ambient); + lighting_state->ambient[2] = cogl_color_get_blue_float (ambient); + lighting_state->ambient[3] = cogl_color_get_alpha_float (ambient); + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_lighting_state_equal); + + pipeline->dirty_real_blend_enable = TRUE; +} + +void +cogl_pipeline_get_diffuse (CoglPipeline *pipeline, + CoglColor *diffuse) +{ + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LIGHTING); + + cogl_color_init_from_4fv (diffuse, + authority->big_state->lighting_state.diffuse); +} + +void +cogl_pipeline_set_diffuse (CoglPipeline *pipeline, + const CoglColor *diffuse) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_LIGHTING; + CoglPipeline *authority; + CoglPipelineLightingState *lighting_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + lighting_state = &authority->big_state->lighting_state; + if (cogl_color_equal (diffuse, &lighting_state->diffuse)) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + lighting_state = &pipeline->big_state->lighting_state; + lighting_state->diffuse[0] = cogl_color_get_red_float (diffuse); + lighting_state->diffuse[1] = cogl_color_get_green_float (diffuse); + lighting_state->diffuse[2] = cogl_color_get_blue_float (diffuse); + lighting_state->diffuse[3] = cogl_color_get_alpha_float (diffuse); + + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_lighting_state_equal); + + pipeline->dirty_real_blend_enable = TRUE; +} + +void +cogl_pipeline_set_ambient_and_diffuse (CoglPipeline *pipeline, + const CoglColor *color) +{ + cogl_pipeline_set_ambient (pipeline, color); + cogl_pipeline_set_diffuse (pipeline, color); +} + +void +cogl_pipeline_get_specular (CoglPipeline *pipeline, + CoglColor *specular) +{ + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LIGHTING); + + cogl_color_init_from_4fv (specular, + authority->big_state->lighting_state.specular); +} + +void +cogl_pipeline_set_specular (CoglPipeline *pipeline, const CoglColor *specular) +{ + CoglPipeline *authority; + CoglPipelineState state = COGL_PIPELINE_STATE_LIGHTING; + CoglPipelineLightingState *lighting_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + lighting_state = &authority->big_state->lighting_state; + if (cogl_color_equal (specular, &lighting_state->specular)) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + lighting_state = &pipeline->big_state->lighting_state; + lighting_state->specular[0] = cogl_color_get_red_float (specular); + lighting_state->specular[1] = cogl_color_get_green_float (specular); + lighting_state->specular[2] = cogl_color_get_blue_float (specular); + lighting_state->specular[3] = cogl_color_get_alpha_float (specular); + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_lighting_state_equal); + + pipeline->dirty_real_blend_enable = TRUE; +} + +float +cogl_pipeline_get_shininess (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), 0); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LIGHTING); + + return authority->big_state->lighting_state.shininess; +} + +void +cogl_pipeline_set_shininess (CoglPipeline *pipeline, + float shininess) +{ + CoglPipeline *authority; + CoglPipelineState state = COGL_PIPELINE_STATE_LIGHTING; + CoglPipelineLightingState *lighting_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + if (shininess < 0.0) + { + g_warning ("Out of range shininess %f supplied for pipeline\n", + shininess); + return; + } + + authority = _cogl_pipeline_get_authority (pipeline, state); + + lighting_state = &authority->big_state->lighting_state; + + if (lighting_state->shininess == shininess) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + lighting_state = &pipeline->big_state->lighting_state; + lighting_state->shininess = shininess; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_lighting_state_equal); +} + +void +cogl_pipeline_get_emission (CoglPipeline *pipeline, + CoglColor *emission) +{ + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LIGHTING); + + cogl_color_init_from_4fv (emission, + authority->big_state->lighting_state.emission); +} + +void +cogl_pipeline_set_emission (CoglPipeline *pipeline, const CoglColor *emission) +{ + CoglPipeline *authority; + CoglPipelineState state = COGL_PIPELINE_STATE_LIGHTING; + CoglPipelineLightingState *lighting_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + lighting_state = &authority->big_state->lighting_state; + if (cogl_color_equal (emission, &lighting_state->emission)) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + lighting_state = &pipeline->big_state->lighting_state; + lighting_state->emission[0] = cogl_color_get_red_float (emission); + lighting_state->emission[1] = cogl_color_get_green_float (emission); + lighting_state->emission[2] = cogl_color_get_blue_float (emission); + lighting_state->emission[3] = cogl_color_get_alpha_float (emission); + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_lighting_state_equal); + + pipeline->dirty_real_blend_enable = TRUE; +} + +static void +_cogl_pipeline_set_alpha_test_function (CoglPipeline *pipeline, + CoglPipelineAlphaFunc alpha_func) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_ALPHA_FUNC; + CoglPipeline *authority; + CoglPipelineAlphaFuncState *alpha_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + alpha_state = &authority->big_state->alpha_state; + if (alpha_state->alpha_func == alpha_func) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + alpha_state = &pipeline->big_state->alpha_state; + alpha_state->alpha_func = alpha_func; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_alpha_func_state_equal); +} + +static void +_cogl_pipeline_set_alpha_test_function_reference (CoglPipeline *pipeline, + float alpha_reference) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_ALPHA_FUNC_REFERENCE; + CoglPipeline *authority; + CoglPipelineAlphaFuncState *alpha_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + alpha_state = &authority->big_state->alpha_state; + if (alpha_state->alpha_func_reference == alpha_reference) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + alpha_state = &pipeline->big_state->alpha_state; + alpha_state->alpha_func_reference = alpha_reference; + + _cogl_pipeline_update_authority + (pipeline, authority, state, + _cogl_pipeline_alpha_func_reference_state_equal); +} + +void +cogl_pipeline_set_alpha_test_function (CoglPipeline *pipeline, + CoglPipelineAlphaFunc alpha_func, + float alpha_reference) +{ + _cogl_pipeline_set_alpha_test_function (pipeline, alpha_func); + _cogl_pipeline_set_alpha_test_function_reference (pipeline, alpha_reference); +} + +CoglPipelineAlphaFunc +cogl_pipeline_get_alpha_test_function (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), 0); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_ALPHA_FUNC); + + return authority->big_state->alpha_state.alpha_func; +} + +float +cogl_pipeline_get_alpha_test_reference (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), 0.0f); + + authority = + _cogl_pipeline_get_authority (pipeline, + COGL_PIPELINE_STATE_ALPHA_FUNC_REFERENCE); + + return authority->big_state->alpha_state.alpha_func_reference; +} + +static GLenum +arg_to_gl_blend_factor (CoglBlendStringArgument *arg) +{ + if (arg->source.is_zero) + return GL_ZERO; + if (arg->factor.is_one) + return GL_ONE; + else if (arg->factor.is_src_alpha_saturate) + return GL_SRC_ALPHA_SATURATE; + else if (arg->factor.source.info->type == + COGL_BLEND_STRING_COLOR_SOURCE_SRC_COLOR) + { + if (arg->factor.source.mask != COGL_BLEND_STRING_CHANNEL_MASK_ALPHA) + { + if (arg->factor.source.one_minus) + return GL_ONE_MINUS_SRC_COLOR; + else + return GL_SRC_COLOR; + } + else + { + if (arg->factor.source.one_minus) + return GL_ONE_MINUS_SRC_ALPHA; + else + return GL_SRC_ALPHA; + } + } + else if (arg->factor.source.info->type == + COGL_BLEND_STRING_COLOR_SOURCE_DST_COLOR) + { + if (arg->factor.source.mask != COGL_BLEND_STRING_CHANNEL_MASK_ALPHA) + { + if (arg->factor.source.one_minus) + return GL_ONE_MINUS_DST_COLOR; + else + return GL_DST_COLOR; + } + else + { + if (arg->factor.source.one_minus) + return GL_ONE_MINUS_DST_ALPHA; + else + return GL_DST_ALPHA; + } + } +#if defined(HAVE_COGL_GLES2) || defined(HAVE_COGL_GL) + else if (arg->factor.source.info->type == + COGL_BLEND_STRING_COLOR_SOURCE_CONSTANT) + { + if (arg->factor.source.mask != COGL_BLEND_STRING_CHANNEL_MASK_ALPHA) + { + if (arg->factor.source.one_minus) + return GL_ONE_MINUS_CONSTANT_COLOR; + else + return GL_CONSTANT_COLOR; + } + else + { + if (arg->factor.source.one_minus) + return GL_ONE_MINUS_CONSTANT_ALPHA; + else + return GL_CONSTANT_ALPHA; + } + } +#endif + + g_warning ("Unable to determine valid blend factor from blend string\n"); + return GL_ONE; +} + +static void +setup_blend_state (CoglBlendStringStatement *statement, + GLenum *blend_equation, + GLint *blend_src_factor, + GLint *blend_dst_factor) +{ + switch (statement->function->type) + { + case COGL_BLEND_STRING_FUNCTION_ADD: + *blend_equation = GL_FUNC_ADD; + break; + /* TODO - add more */ + default: + g_warning ("Unsupported blend function given"); + *blend_equation = GL_FUNC_ADD; + } + + *blend_src_factor = arg_to_gl_blend_factor (&statement->args[0]); + *blend_dst_factor = arg_to_gl_blend_factor (&statement->args[1]); +} + +CoglBool +cogl_pipeline_set_blend (CoglPipeline *pipeline, + const char *blend_description, + CoglError **error) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_BLEND; + CoglPipeline *authority; + CoglBlendStringStatement statements[2]; + CoglBlendStringStatement *rgb; + CoglBlendStringStatement *a; + int count; + CoglPipelineBlendState *blend_state; + + _COGL_GET_CONTEXT (ctx, FALSE); + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + count = + _cogl_blend_string_compile (blend_description, + COGL_BLEND_STRING_CONTEXT_BLENDING, + statements, + error); + if (!count) + return FALSE; + + if (count == 1) + rgb = a = statements; + else + { + rgb = &statements[0]; + a = &statements[1]; + } + + authority = + _cogl_pipeline_get_authority (pipeline, state); + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + blend_state = &pipeline->big_state->blend_state; + + setup_blend_state (rgb, + &blend_state->blend_equation_rgb, + &blend_state->blend_src_factor_rgb, + &blend_state->blend_dst_factor_rgb); + setup_blend_state (a, + &blend_state->blend_equation_alpha, + &blend_state->blend_src_factor_alpha, + &blend_state->blend_dst_factor_alpha); + + /* If we are the current authority see if we can revert to one of our + * ancestors being the authority */ + if (pipeline == authority && + _cogl_pipeline_get_parent (authority) != NULL) + { + CoglPipeline *parent = _cogl_pipeline_get_parent (authority); + CoglPipeline *old_authority = + _cogl_pipeline_get_authority (parent, state); + + if (_cogl_pipeline_blend_state_equal (authority, old_authority)) + pipeline->differences &= ~state; + } + + /* If we weren't previously the authority on this state then we need + * to extended our differences mask and so it's possible that some + * of our ancestry will now become redundant, so we aim to reparent + * ourselves if that's true... */ + if (pipeline != authority) + { + pipeline->differences |= state; + _cogl_pipeline_prune_redundant_ancestry (pipeline); + } + + pipeline->dirty_real_blend_enable = TRUE; + + return TRUE; +} + +void +cogl_pipeline_set_blend_constant (CoglPipeline *pipeline, + const CoglColor *constant_color) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_BLEND_CONSTANT)) + return; + +#if defined(HAVE_COGL_GLES2) || defined(HAVE_COGL_GL) + { + CoglPipelineState state = COGL_PIPELINE_STATE_BLEND; + CoglPipeline *authority; + CoglPipelineBlendState *blend_state; + + authority = _cogl_pipeline_get_authority (pipeline, state); + + blend_state = &authority->big_state->blend_state; + if (cogl_color_equal (constant_color, &blend_state->blend_constant)) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + blend_state = &pipeline->big_state->blend_state; + blend_state->blend_constant = *constant_color; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_blend_state_equal); + + pipeline->dirty_real_blend_enable = TRUE; + } +#endif +} + +CoglHandle +cogl_pipeline_get_user_program (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), COGL_INVALID_HANDLE); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_USER_SHADER); + + return authority->big_state->user_program; +} + +/* XXX: for now we don't mind if the program has vertex shaders + * attached but if we ever make a similar API public we should only + * allow attaching of programs containing fragment shaders. Eventually + * we will have a CoglPipeline abstraction to also cover vertex + * processing. + */ +void +cogl_pipeline_set_user_program (CoglPipeline *pipeline, + CoglHandle program) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_USER_SHADER; + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + if (authority->big_state->user_program == program) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + if (program != COGL_INVALID_HANDLE) + _cogl_pipeline_set_progend (pipeline, COGL_PIPELINE_PROGEND_UNDEFINED); + + /* If we are the current authority see if we can revert to one of our + * ancestors being the authority */ + if (pipeline == authority && + _cogl_pipeline_get_parent (authority) != NULL) + { + CoglPipeline *parent = _cogl_pipeline_get_parent (authority); + CoglPipeline *old_authority = + _cogl_pipeline_get_authority (parent, state); + + if (old_authority->big_state->user_program == program) + pipeline->differences &= ~state; + } + else if (pipeline != authority) + { + /* If we weren't previously the authority on this state then we + * need to extended our differences mask and so it's possible + * that some of our ancestry will now become redundant, so we + * aim to reparent ourselves if that's true... */ + pipeline->differences |= state; + _cogl_pipeline_prune_redundant_ancestry (pipeline); + } + + if (program != COGL_INVALID_HANDLE) + cogl_handle_ref (program); + if (authority == pipeline && + pipeline->big_state->user_program != COGL_INVALID_HANDLE) + cogl_handle_unref (pipeline->big_state->user_program); + pipeline->big_state->user_program = program; + + pipeline->dirty_real_blend_enable = TRUE; +} + +CoglBool +cogl_pipeline_set_depth_state (CoglPipeline *pipeline, + const CoglDepthState *depth_state, + CoglError **error) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_DEPTH; + CoglPipeline *authority; + CoglDepthState *orig_state; + + _COGL_GET_CONTEXT (ctx, FALSE); + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + _COGL_RETURN_VAL_IF_FAIL (depth_state->magic == COGL_DEPTH_STATE_MAGIC, FALSE); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + orig_state = &authority->big_state->depth_state; + if (orig_state->test_enabled == depth_state->test_enabled && + orig_state->write_enabled == depth_state->write_enabled && + orig_state->test_function == depth_state->test_function && + orig_state->range_near == depth_state->range_near && + orig_state->range_far == depth_state->range_far) + return TRUE; + + if (ctx->driver == COGL_DRIVER_GLES1 && + (depth_state->range_near != 0 || + depth_state->range_far != 1)) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "glDepthRange not available on GLES 1"); + return FALSE; + } + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + pipeline->big_state->depth_state = *depth_state; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_depth_state_equal); + + return TRUE; +} + +void +cogl_pipeline_get_depth_state (CoglPipeline *pipeline, + CoglDepthState *state) +{ + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_DEPTH); + *state = authority->big_state->depth_state; +} + +CoglColorMask +cogl_pipeline_get_color_mask (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), 0); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LOGIC_OPS); + + return authority->big_state->logic_ops_state.color_mask; +} + +void +cogl_pipeline_set_color_mask (CoglPipeline *pipeline, + CoglColorMask color_mask) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_LOGIC_OPS; + CoglPipeline *authority; + CoglPipelineLogicOpsState *logic_ops_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + logic_ops_state = &authority->big_state->logic_ops_state; + if (logic_ops_state->color_mask == color_mask) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + logic_ops_state = &pipeline->big_state->logic_ops_state; + logic_ops_state->color_mask = color_mask; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_logic_ops_state_equal); +} + +void +_cogl_pipeline_set_fog_state (CoglPipeline *pipeline, + const CoglPipelineFogState *fog_state) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_FOG; + CoglPipeline *authority; + CoglPipelineFogState *current_fog_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + current_fog_state = &authority->big_state->fog_state; + + if (current_fog_state->enabled == fog_state->enabled && + cogl_color_equal (¤t_fog_state->color, &fog_state->color) && + current_fog_state->mode == fog_state->mode && + current_fog_state->density == fog_state->density && + current_fog_state->z_near == fog_state->z_near && + current_fog_state->z_far == fog_state->z_far) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + pipeline->big_state->fog_state = *fog_state; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_fog_state_equal); +} + +void +cogl_pipeline_set_cull_face_mode (CoglPipeline *pipeline, + CoglPipelineCullFaceMode cull_face_mode) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_CULL_FACE; + CoglPipeline *authority; + CoglPipelineCullFaceState *cull_face_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + cull_face_state = &authority->big_state->cull_face_state; + + if (cull_face_state->mode == cull_face_mode) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + pipeline->big_state->cull_face_state.mode = cull_face_mode; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_cull_face_state_equal); +} + +void +cogl_pipeline_set_front_face_winding (CoglPipeline *pipeline, + CoglWinding front_winding) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_CULL_FACE; + CoglPipeline *authority; + CoglPipelineCullFaceState *cull_face_state; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + cull_face_state = &authority->big_state->cull_face_state; + + if (cull_face_state->front_winding == front_winding) + return; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + pipeline->big_state->cull_face_state.front_winding = front_winding; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_cull_face_state_equal); +} + +CoglPipelineCullFaceMode +cogl_pipeline_get_cull_face_mode (CoglPipeline *pipeline) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_CULL_FACE; + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), + COGL_PIPELINE_CULL_FACE_MODE_NONE); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + return authority->big_state->cull_face_state.mode; +} + +CoglWinding +cogl_pipeline_get_front_face_winding (CoglPipeline *pipeline) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_CULL_FACE; + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), + COGL_PIPELINE_CULL_FACE_MODE_NONE); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + return authority->big_state->cull_face_state.front_winding; +} + +float +cogl_pipeline_get_point_size (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_POINT_SIZE); + + return authority->big_state->point_size; +} + +static void +_cogl_pipeline_set_non_zero_point_size (CoglPipeline *pipeline, + CoglBool value) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_NON_ZERO_POINT_SIZE; + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + pipeline->big_state->non_zero_point_size = !!value; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_non_zero_point_size_equal); +} + +void +cogl_pipeline_set_point_size (CoglPipeline *pipeline, + float point_size) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_POINT_SIZE; + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + if (authority->big_state->point_size == point_size) + return; + + /* Changing the point size may additionally modify + * COGL_PIPELINE_STATE_NON_ZERO_POINT_SIZE. */ + + if ((authority->big_state->point_size > 0.0f) != (point_size > 0.0f)) + _cogl_pipeline_set_non_zero_point_size (pipeline, point_size > 0.0f); + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + pipeline->big_state->point_size = point_size; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_point_size_equal); +} + +CoglBool +cogl_pipeline_set_per_vertex_point_size (CoglPipeline *pipeline, + CoglBool enable, + CoglError **error) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE; + CoglPipeline *authority; + + _COGL_GET_CONTEXT (ctx, FALSE); + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + authority = _cogl_pipeline_get_authority (pipeline, state); + + enable = !!enable; + + if (authority->big_state->per_vertex_point_size == enable) + return TRUE; + + if (enable && !cogl_has_feature (ctx, COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE)) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Per-vertex point size is not supported"); + + return FALSE; + } + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + pipeline->big_state->per_vertex_point_size = enable; + + _cogl_pipeline_update_authority (pipeline, authority, state, + _cogl_pipeline_point_size_equal); + + return TRUE; +} + +CoglBool +cogl_pipeline_get_per_vertex_point_size (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + authority = + _cogl_pipeline_get_authority (pipeline, + COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE); + + return authority->big_state->per_vertex_point_size; +} + +static CoglBoxedValue * +_cogl_pipeline_override_uniform (CoglPipeline *pipeline, + int location) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_UNIFORMS; + CoglPipelineUniformsState *uniforms_state; + int override_index; + + _COGL_GET_CONTEXT (ctx, NULL); + + g_return_val_if_fail (cogl_is_pipeline (pipeline), NULL); + g_return_val_if_fail (location >= 0, NULL); + g_return_val_if_fail (location < ctx->n_uniform_names, NULL); + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + uniforms_state = &pipeline->big_state->uniforms_state; + + /* Count the number of bits that are set below this location. That + should give us the position where our new value should lie */ + override_index = _cogl_bitmask_popcount_upto (&uniforms_state->override_mask, + location); + + _cogl_bitmask_set (&uniforms_state->changed_mask, location, TRUE); + + /* If this pipeline already has an override for this value then we + can just use it directly */ + if (_cogl_bitmask_get (&uniforms_state->override_mask, location)) + return uniforms_state->override_values + override_index; + + /* We need to create a new override value in the right position + within the array. This is pretty inefficient but the hope is that + it will be much more common to modify an existing uniform rather + than modify a new one so it is more important to optimise the + former case. */ + + if (uniforms_state->override_values == NULL) + { + g_assert (override_index == 0); + uniforms_state->override_values = g_new (CoglBoxedValue, 1); + } + else + { + /* We need to grow the array and copy in the old values */ + CoglBoxedValue *old_values = uniforms_state->override_values; + int old_size = _cogl_bitmask_popcount (&uniforms_state->override_mask); + + uniforms_state->override_values = g_new (CoglBoxedValue, old_size + 1); + + /* Copy in the old values leaving a gap for the new value */ + memcpy (uniforms_state->override_values, + old_values, + sizeof (CoglBoxedValue) * override_index); + memcpy (uniforms_state->override_values + override_index + 1, + old_values + override_index, + sizeof (CoglBoxedValue) * (old_size - override_index)); + + g_free (old_values); + } + + _cogl_boxed_value_init (uniforms_state->override_values + override_index); + + _cogl_bitmask_set (&uniforms_state->override_mask, location, TRUE); + + return uniforms_state->override_values + override_index; +} + +void +cogl_pipeline_set_uniform_1f (CoglPipeline *pipeline, + int uniform_location, + float value) +{ + CoglBoxedValue *boxed_value; + + boxed_value = _cogl_pipeline_override_uniform (pipeline, uniform_location); + + _cogl_boxed_value_set_1f (boxed_value, value); +} + +void +cogl_pipeline_set_uniform_1i (CoglPipeline *pipeline, + int uniform_location, + int value) +{ + CoglBoxedValue *boxed_value; + + boxed_value = _cogl_pipeline_override_uniform (pipeline, uniform_location); + + _cogl_boxed_value_set_1i (boxed_value, value); +} + +void +cogl_pipeline_set_uniform_float (CoglPipeline *pipeline, + int uniform_location, + int n_components, + int count, + const float *value) +{ + CoglBoxedValue *boxed_value; + + boxed_value = _cogl_pipeline_override_uniform (pipeline, uniform_location); + + _cogl_boxed_value_set_float (boxed_value, n_components, count, value); +} + +void +cogl_pipeline_set_uniform_int (CoglPipeline *pipeline, + int uniform_location, + int n_components, + int count, + const int *value) +{ + CoglBoxedValue *boxed_value; + + boxed_value = _cogl_pipeline_override_uniform (pipeline, uniform_location); + + _cogl_boxed_value_set_int (boxed_value, n_components, count, value); +} + +void +cogl_pipeline_set_uniform_matrix (CoglPipeline *pipeline, + int uniform_location, + int dimensions, + int count, + CoglBool transpose, + const float *value) +{ + CoglBoxedValue *boxed_value; + + boxed_value = _cogl_pipeline_override_uniform (pipeline, uniform_location); + + _cogl_boxed_value_set_matrix (boxed_value, + dimensions, + count, + transpose, + value); +} + +static void +_cogl_pipeline_add_vertex_snippet (CoglPipeline *pipeline, + CoglSnippet *snippet) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_VERTEX_SNIPPETS; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + _cogl_pipeline_snippet_list_add (&pipeline->big_state->vertex_snippets, + snippet); +} + +static void +_cogl_pipeline_add_fragment_snippet (CoglPipeline *pipeline, + CoglSnippet *snippet) +{ + CoglPipelineState state = COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS; + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + _cogl_pipeline_pre_change_notify (pipeline, state, NULL, FALSE); + + _cogl_pipeline_snippet_list_add (&pipeline->big_state->fragment_snippets, + snippet); +} + +void +cogl_pipeline_add_snippet (CoglPipeline *pipeline, + CoglSnippet *snippet) +{ + g_return_if_fail (cogl_is_pipeline (pipeline)); + g_return_if_fail (cogl_is_snippet (snippet)); + g_return_if_fail (snippet->hook < COGL_SNIPPET_FIRST_LAYER_HOOK); + + if (snippet->hook < COGL_SNIPPET_FIRST_PIPELINE_FRAGMENT_HOOK) + _cogl_pipeline_add_vertex_snippet (pipeline, snippet); + else + _cogl_pipeline_add_fragment_snippet (pipeline, snippet); +} + +CoglBool +_cogl_pipeline_has_non_layer_vertex_snippets (CoglPipeline *pipeline) +{ + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, + COGL_PIPELINE_STATE_VERTEX_SNIPPETS); + + return authority->big_state->vertex_snippets.entries != NULL; +} + +static CoglBool +check_layer_has_vertex_snippet (CoglPipelineLayer *layer, + void *user_data) +{ + unsigned long state = COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS; + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, state); + CoglBool *found_vertex_snippet = user_data; + + if (authority->big_state->vertex_snippets.entries) + { + *found_vertex_snippet = TRUE; + return FALSE; + } + + return TRUE; +} + +CoglBool +_cogl_pipeline_has_vertex_snippets (CoglPipeline *pipeline) +{ + CoglBool found_vertex_snippet = FALSE; + + if (_cogl_pipeline_has_non_layer_vertex_snippets (pipeline)) + return TRUE; + + _cogl_pipeline_foreach_layer_internal (pipeline, + check_layer_has_vertex_snippet, + &found_vertex_snippet); + + return found_vertex_snippet; +} + +CoglBool +_cogl_pipeline_has_non_layer_fragment_snippets (CoglPipeline *pipeline) +{ + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, + COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS); + + return authority->big_state->fragment_snippets.entries != NULL; +} + +static CoglBool +check_layer_has_fragment_snippet (CoglPipelineLayer *layer, + void *user_data) +{ + unsigned long state = COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS; + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, state); + CoglBool *found_fragment_snippet = user_data; + + if (authority->big_state->fragment_snippets.entries) + { + *found_fragment_snippet = TRUE; + return FALSE; + } + + return TRUE; +} + +CoglBool +_cogl_pipeline_has_fragment_snippets (CoglPipeline *pipeline) +{ + CoglBool found_fragment_snippet = FALSE; + + if (_cogl_pipeline_has_non_layer_fragment_snippets (pipeline)) + return TRUE; + + _cogl_pipeline_foreach_layer_internal (pipeline, + check_layer_has_fragment_snippet, + &found_fragment_snippet); + + return found_fragment_snippet; +} + +void +_cogl_pipeline_hash_color_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + state->hash = _cogl_util_one_at_a_time_hash (state->hash, &authority->color, + _COGL_COLOR_DATA_SIZE); +} + +void +_cogl_pipeline_hash_blend_enable_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + uint8_t blend_enable = authority->blend_enable; + state->hash = _cogl_util_one_at_a_time_hash (state->hash, &blend_enable, 1); +} + +void +_cogl_pipeline_hash_lighting_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglPipelineLightingState *lighting_state = + &authority->big_state->lighting_state; + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, lighting_state, + sizeof (CoglPipelineLightingState)); +} + +void +_cogl_pipeline_hash_alpha_func_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglPipelineAlphaFuncState *alpha_state = &authority->big_state->alpha_state; + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, &alpha_state->alpha_func, + sizeof (alpha_state->alpha_func)); +} + +void +_cogl_pipeline_hash_alpha_func_reference_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglPipelineAlphaFuncState *alpha_state = &authority->big_state->alpha_state; + float ref = alpha_state->alpha_func_reference; + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, &ref, sizeof (float)); +} + +void +_cogl_pipeline_hash_blend_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglPipelineBlendState *blend_state = &authority->big_state->blend_state; + unsigned int hash; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (!authority->real_blend_enable) + return; + + hash = state->hash; + + hash = + _cogl_util_one_at_a_time_hash (hash, &blend_state->blend_equation_rgb, + sizeof (blend_state->blend_equation_rgb)); + hash = + _cogl_util_one_at_a_time_hash (hash, &blend_state->blend_equation_alpha, + sizeof (blend_state->blend_equation_alpha)); + hash = + _cogl_util_one_at_a_time_hash (hash, &blend_state->blend_src_factor_alpha, + sizeof (blend_state->blend_src_factor_alpha)); + hash = + _cogl_util_one_at_a_time_hash (hash, &blend_state->blend_dst_factor_alpha, + sizeof (blend_state->blend_dst_factor_alpha)); + + if (blend_state->blend_src_factor_rgb == GL_ONE_MINUS_CONSTANT_COLOR || + blend_state->blend_src_factor_rgb == GL_CONSTANT_COLOR || + blend_state->blend_dst_factor_rgb == GL_ONE_MINUS_CONSTANT_COLOR || + blend_state->blend_dst_factor_rgb == GL_CONSTANT_COLOR) + { + hash = + _cogl_util_one_at_a_time_hash (hash, &blend_state->blend_constant, + sizeof (blend_state->blend_constant)); + } + + hash = + _cogl_util_one_at_a_time_hash (hash, &blend_state->blend_src_factor_rgb, + sizeof (blend_state->blend_src_factor_rgb)); + hash = + _cogl_util_one_at_a_time_hash (hash, &blend_state->blend_dst_factor_rgb, + sizeof (blend_state->blend_dst_factor_rgb)); + + state->hash = hash; +} + +void +_cogl_pipeline_hash_user_shader_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglHandle user_program = authority->big_state->user_program; + state->hash = _cogl_util_one_at_a_time_hash (state->hash, &user_program, + sizeof (user_program)); +} + +void +_cogl_pipeline_hash_depth_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglDepthState *depth_state = &authority->big_state->depth_state; + unsigned int hash = state->hash; + + if (depth_state->test_enabled) + { + uint8_t enabled = depth_state->test_enabled; + CoglDepthTestFunction function = depth_state->test_function; + hash = _cogl_util_one_at_a_time_hash (hash, &enabled, sizeof (enabled)); + hash = _cogl_util_one_at_a_time_hash (hash, &function, sizeof (function)); + } + + if (depth_state->write_enabled) + { + uint8_t enabled = depth_state->write_enabled; + float near_val = depth_state->range_near; + float far_val = depth_state->range_far; + hash = _cogl_util_one_at_a_time_hash (hash, &enabled, sizeof (enabled)); + hash = _cogl_util_one_at_a_time_hash (hash, &near_val, sizeof (near_val)); + hash = _cogl_util_one_at_a_time_hash (hash, &far_val, sizeof (far_val)); + } + + state->hash = hash; +} + +void +_cogl_pipeline_hash_fog_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglPipelineFogState *fog_state = &authority->big_state->fog_state; + unsigned long hash = state->hash; + + if (!fog_state->enabled) + hash = _cogl_util_one_at_a_time_hash (hash, &fog_state->enabled, + sizeof (fog_state->enabled)); + else + hash = _cogl_util_one_at_a_time_hash (hash, &fog_state, + sizeof (CoglPipelineFogState)); + + state->hash = hash; +} + +void +_cogl_pipeline_hash_non_zero_point_size_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglBool non_zero_point_size = authority->big_state->non_zero_point_size; + + state->hash = _cogl_util_one_at_a_time_hash (state->hash, + &non_zero_point_size, + sizeof (non_zero_point_size)); +} + +void +_cogl_pipeline_hash_point_size_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + float point_size = authority->big_state->point_size; + state->hash = _cogl_util_one_at_a_time_hash (state->hash, &point_size, + sizeof (point_size)); +} + +void +_cogl_pipeline_hash_per_vertex_point_size_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglBool per_vertex_point_size = authority->big_state->per_vertex_point_size; + state->hash = _cogl_util_one_at_a_time_hash (state->hash, + &per_vertex_point_size, + sizeof (per_vertex_point_size)); +} + +void +_cogl_pipeline_hash_logic_ops_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglPipelineLogicOpsState *logic_ops_state = &authority->big_state->logic_ops_state; + state->hash = _cogl_util_one_at_a_time_hash (state->hash, &logic_ops_state->color_mask, + sizeof (CoglColorMask)); +} + +void +_cogl_pipeline_hash_cull_face_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + CoglPipelineCullFaceState *cull_face_state + = &authority->big_state->cull_face_state; + + /* The cull face state is considered equal if two pipelines are both + set to no culling. If the front winding property is ever used for + anything else or the hashing is used not just for drawing then + this would have to change */ + if (cull_face_state->mode == COGL_PIPELINE_CULL_FACE_MODE_NONE) + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, + &cull_face_state->mode, + sizeof (CoglPipelineCullFaceMode)); + else + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, + cull_face_state, + sizeof (CoglPipelineCullFaceState)); +} + +void +_cogl_pipeline_hash_uniforms_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + /* This isn't used anywhere yet because the uniform state doesn't + affect program generation. It's quite a hassle to implement so + let's just leave it until something actually needs it */ + g_warn_if_reached (); +} + +void +_cogl_pipeline_compare_uniform_differences (unsigned long *differences, + CoglPipeline *pipeline0, + CoglPipeline *pipeline1) +{ + GSList *head0 = NULL; + GSList *head1 = NULL; + CoglPipeline *node0; + CoglPipeline *node1; + int len0 = 0; + int len1 = 0; + int count; + GSList *common_ancestor0; + GSList *common_ancestor1; + + /* This algorithm is copied from + _cogl_pipeline_compare_differences(). It might be nice to share + the code more */ + + for (node0 = pipeline0; node0; node0 = _cogl_pipeline_get_parent (node0)) + { + GSList *link = alloca (sizeof (GSList)); + link->next = head0; + link->data = node0; + head0 = link; + len0++; + } + for (node1 = pipeline1; node1; node1 = _cogl_pipeline_get_parent (node1)) + { + GSList *link = alloca (sizeof (GSList)); + link->next = head1; + link->data = node1; + head1 = link; + len1++; + } + + /* NB: There's no point looking at the head entries since we know both + * pipelines must have the same default pipeline as their root node. */ + common_ancestor0 = head0; + common_ancestor1 = head1; + head0 = head0->next; + head1 = head1->next; + count = MIN (len0, len1) - 1; + while (count--) + { + if (head0->data != head1->data) + break; + common_ancestor0 = head0; + common_ancestor1 = head1; + head0 = head0->next; + head1 = head1->next; + } + + for (head0 = common_ancestor0->next; head0; head0 = head0->next) + { + node0 = head0->data; + if ((node0->differences & COGL_PIPELINE_STATE_UNIFORMS)) + { + const CoglPipelineUniformsState *uniforms_state = + &node0->big_state->uniforms_state; + _cogl_bitmask_set_flags (&uniforms_state->override_mask, + differences); + } + } + for (head1 = common_ancestor1->next; head1; head1 = head1->next) + { + node1 = head1->data; + if ((node1->differences & COGL_PIPELINE_STATE_UNIFORMS)) + { + const CoglPipelineUniformsState *uniforms_state = + &node1->big_state->uniforms_state; + _cogl_bitmask_set_flags (&uniforms_state->override_mask, + differences); + } + } +} + +void +_cogl_pipeline_hash_vertex_snippets_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + _cogl_pipeline_snippet_list_hash (&authority->big_state->vertex_snippets, + &state->hash); +} + +void +_cogl_pipeline_hash_fragment_snippets_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + _cogl_pipeline_snippet_list_hash (&authority->big_state->fragment_snippets, + &state->hash); +} + +UNIT_TEST (check_blend_constant_ancestry, + 0 /* no requirements */, + 0 /* no known failures */) +{ + CoglPipeline *pipeline = cogl_pipeline_new (test_ctx); + CoglNode *node; + int pipeline_length = 0; + int i; + + /* Repeatedly making a copy of a pipeline and changing the same + * state (in this case the blend constant) shouldn't cause a long + * chain of pipelines to be created because the redundant ancestry + * should be pruned. */ + + for (i = 0; i < 20; i++) + { + CoglColor color; + CoglPipeline *tmp_pipeline; + + cogl_color_init_from_4f (&color, i / 20.0f, 0.0f, 0.0f, 1.0f); + + tmp_pipeline = cogl_pipeline_copy (pipeline); + cogl_object_unref (pipeline); + pipeline = tmp_pipeline; + + cogl_pipeline_set_blend_constant (pipeline, &color); + } + + for (node = (CoglNode *) pipeline; node; node = node->parent) + pipeline_length++; + + g_assert_cmpint (pipeline_length, <=, 2); + + cogl_object_unref (pipeline); +} + +UNIT_TEST (check_uniform_ancestry, + 0 /* no requirements */, + TEST_KNOWN_FAILURE) +{ + CoglPipeline *pipeline = cogl_pipeline_new (test_ctx); + CoglNode *node; + int pipeline_length = 0; + int i; + + /* Repeatedly making a copy of a pipeline and changing a uniform + * shouldn't cause a long chain of pipelines to be created */ + + for (i = 0; i < 20; i++) + { + CoglPipeline *tmp_pipeline; + int uniform_location; + + tmp_pipeline = cogl_pipeline_copy (pipeline); + cogl_object_unref (pipeline); + pipeline = tmp_pipeline; + + uniform_location = + cogl_pipeline_get_uniform_location (pipeline, "a_uniform"); + + cogl_pipeline_set_uniform_1i (pipeline, uniform_location, i); + } + + for (node = (CoglNode *) pipeline; node; node = node->parent) + pipeline_length++; + + g_assert_cmpint (pipeline_length, <=, 2); + + cogl_object_unref (pipeline); +} diff --git a/cogl/cogl-pipeline-state.h b/cogl/cogl-pipeline-state.h new file mode 100644 index 0000000..6acbb6d --- /dev/null +++ b/cogl/cogl-pipeline-state.h @@ -0,0 +1,980 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_PIPELINE_STATE_H__ +#define __COGL_PIPELINE_STATE_H__ + +#include +#include +#include + +COGL_BEGIN_DECLS + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +/** + * cogl_pipeline_set_color: + * @pipeline: A #CoglPipeline object + * @color: The components of the color + * + * Sets the basic color of the pipeline, used when no lighting is enabled. + * + * Note that if you don't add any layers to the pipeline then the color + * will be blended unmodified with the destination; the default blend + * expects premultiplied colors: for example, use (0.5, 0.0, 0.0, 0.5) for + * semi-transparent red. See cogl_color_premultiply(). + * + * The default value is (1.0, 1.0, 1.0, 1.0) + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_color (CoglPipeline *pipeline, + const CoglColor *color); + +/** + * cogl_pipeline_set_color4ub: + * @pipeline: A #CoglPipeline object + * @red: The red component + * @green: The green component + * @blue: The blue component + * @alpha: The alpha component + * + * Sets the basic color of the pipeline, used when no lighting is enabled. + * + * The default value is (0xff, 0xff, 0xff, 0xff) + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_color4ub (CoglPipeline *pipeline, + uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha); + +/** + * cogl_pipeline_set_color4f: + * @pipeline: A #CoglPipeline object + * @red: The red component + * @green: The green component + * @blue: The blue component + * @alpha: The alpha component + * + * Sets the basic color of the pipeline, used when no lighting is enabled. + * + * The default value is (1.0, 1.0, 1.0, 1.0) + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_color4f (CoglPipeline *pipeline, + float red, + float green, + float blue, + float alpha); + +/** + * cogl_pipeline_get_color: + * @pipeline: A #CoglPipeline object + * @color: (out): The location to store the color + * + * Retrieves the current pipeline color. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_get_color (CoglPipeline *pipeline, + CoglColor *color); + +/** + * cogl_pipeline_set_ambient: + * @pipeline: A #CoglPipeline object + * @ambient: The components of the desired ambient color + * + * Sets the pipeline's ambient color, in the standard OpenGL lighting + * model. The ambient color affects the overall color of the object. + * + * Since the diffuse color will be intense when the light hits the surface + * directly, the ambient will be most apparent where the light hits at a + * slant. + * + * The default value is (0.2, 0.2, 0.2, 1.0) + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_ambient (CoglPipeline *pipeline, + const CoglColor *ambient); + +/** + * cogl_pipeline_get_ambient: + * @pipeline: A #CoglPipeline object + * @ambient: The location to store the ambient color + * + * Retrieves the current ambient color for @pipeline + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_get_ambient (CoglPipeline *pipeline, + CoglColor *ambient); + +/** + * cogl_pipeline_set_diffuse: + * @pipeline: A #CoglPipeline object + * @diffuse: The components of the desired diffuse color + * + * Sets the pipeline's diffuse color, in the standard OpenGL lighting + * model. The diffuse color is most intense where the light hits the + * surface directly - perpendicular to the surface. + * + * The default value is (0.8, 0.8, 0.8, 1.0) + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_diffuse (CoglPipeline *pipeline, + const CoglColor *diffuse); + +/** + * cogl_pipeline_get_diffuse: + * @pipeline: A #CoglPipeline object + * @diffuse: The location to store the diffuse color + * + * Retrieves the current diffuse color for @pipeline + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_get_diffuse (CoglPipeline *pipeline, + CoglColor *diffuse); + +/** + * cogl_pipeline_set_ambient_and_diffuse: + * @pipeline: A #CoglPipeline object + * @color: The components of the desired ambient and diffuse colors + * + * Conveniently sets the diffuse and ambient color of @pipeline at the same + * time. See cogl_pipeline_set_ambient() and cogl_pipeline_set_diffuse(). + * + * The default ambient color is (0.2, 0.2, 0.2, 1.0) + * + * The default diffuse color is (0.8, 0.8, 0.8, 1.0) + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_ambient_and_diffuse (CoglPipeline *pipeline, + const CoglColor *color); + +/** + * cogl_pipeline_set_specular: + * @pipeline: A #CoglPipeline object + * @specular: The components of the desired specular color + * + * Sets the pipeline's specular color, in the standard OpenGL lighting + * model. The intensity of the specular color depends on the viewport + * position, and is brightest along the lines of reflection. + * + * The default value is (0.0, 0.0, 0.0, 1.0) + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_specular (CoglPipeline *pipeline, + const CoglColor *specular); + +/** + * cogl_pipeline_get_specular: + * @pipeline: A #CoglPipeline object + * @specular: The location to store the specular color + * + * Retrieves the pipelines current specular color. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_get_specular (CoglPipeline *pipeline, + CoglColor *specular); + +/** + * cogl_pipeline_set_shininess: + * @pipeline: A #CoglPipeline object + * @shininess: The desired shininess; must be >= 0.0 + * + * Sets the shininess of the pipeline, in the standard OpenGL lighting + * model, which determines the size of the specular highlights. A + * higher @shininess will produce smaller highlights which makes the + * object appear more shiny. + * + * The default value is 0.0 + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_shininess (CoglPipeline *pipeline, + float shininess); + +/** + * cogl_pipeline_get_shininess: + * @pipeline: A #CoglPipeline object + * + * Retrieves the pipelines current emission color. + * + * Return value: The pipelines current shininess value + * + * Since: 2.0 + * Stability: Unstable + */ +float +cogl_pipeline_get_shininess (CoglPipeline *pipeline); + +/** + * cogl_pipeline_set_emission: + * @pipeline: A #CoglPipeline object + * @emission: The components of the desired emissive color + * + * Sets the pipeline's emissive color, in the standard OpenGL lighting + * model. It will look like the surface is a light source emitting this + * color. + * + * The default value is (0.0, 0.0, 0.0, 1.0) + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_emission (CoglPipeline *pipeline, + const CoglColor *emission); + +/** + * cogl_pipeline_get_emission: + * @pipeline: A #CoglPipeline object + * @emission: The location to store the emission color + * + * Retrieves the pipelines current emission color. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_get_emission (CoglPipeline *pipeline, + CoglColor *emission); + +/** + * CoglPipelineAlphaFunc: + * @COGL_PIPELINE_ALPHA_FUNC_NEVER: Never let the fragment through. + * @COGL_PIPELINE_ALPHA_FUNC_LESS: Let the fragment through if the incoming + * alpha value is less than the reference alpha value + * @COGL_PIPELINE_ALPHA_FUNC_EQUAL: Let the fragment through if the incoming + * alpha value equals the reference alpha value + * @COGL_PIPELINE_ALPHA_FUNC_LEQUAL: Let the fragment through if the incoming + * alpha value is less than or equal to the reference alpha value + * @COGL_PIPELINE_ALPHA_FUNC_GREATER: Let the fragment through if the incoming + * alpha value is greater than the reference alpha value + * @COGL_PIPELINE_ALPHA_FUNC_NOTEQUAL: Let the fragment through if the incoming + * alpha value does not equal the reference alpha value + * @COGL_PIPELINE_ALPHA_FUNC_GEQUAL: Let the fragment through if the incoming + * alpha value is greater than or equal to the reference alpha value. + * @COGL_PIPELINE_ALPHA_FUNC_ALWAYS: Always let the fragment through. + * + * Alpha testing happens before blending primitives with the framebuffer and + * gives an opportunity to discard fragments based on a comparison with the + * incoming alpha value and a reference alpha value. The #CoglPipelineAlphaFunc + * determines how the comparison is done. + */ +typedef enum { + COGL_PIPELINE_ALPHA_FUNC_NEVER = 0x0200, + COGL_PIPELINE_ALPHA_FUNC_LESS = 0x0201, + COGL_PIPELINE_ALPHA_FUNC_EQUAL = 0x0202, + COGL_PIPELINE_ALPHA_FUNC_LEQUAL = 0x0203, + COGL_PIPELINE_ALPHA_FUNC_GREATER = 0x0204, + COGL_PIPELINE_ALPHA_FUNC_NOTEQUAL = 0x0205, + COGL_PIPELINE_ALPHA_FUNC_GEQUAL = 0x0206, + COGL_PIPELINE_ALPHA_FUNC_ALWAYS = 0x0207 +} CoglPipelineAlphaFunc; +/* NB: these values come from the equivalents in gl.h */ + +/** + * cogl_pipeline_set_alpha_test_function: + * @pipeline: A #CoglPipeline object + * @alpha_func: A @CoglPipelineAlphaFunc constant + * @alpha_reference: A reference point that the chosen alpha function uses + * to compare incoming fragments to. + * + * Before a primitive is blended with the framebuffer, it goes through an + * alpha test stage which lets you discard fragments based on the current + * alpha value. This function lets you change the function used to evaluate + * the alpha channel, and thus determine which fragments are discarded + * and which continue on to the blending stage. + * + * The default is %COGL_PIPELINE_ALPHA_FUNC_ALWAYS + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_alpha_test_function (CoglPipeline *pipeline, + CoglPipelineAlphaFunc alpha_func, + float alpha_reference); + +/** + * cogl_pipeline_get_alpha_test_function: + * @pipeline: A #CoglPipeline object + * + * Return value: The alpha test function of @pipeline. + * + * Since: 2.0 + * Stability: Unstable + */ +CoglPipelineAlphaFunc +cogl_pipeline_get_alpha_test_function (CoglPipeline *pipeline); + +/** + * cogl_pipeline_get_alpha_test_reference: + * @pipeline: A #CoglPipeline object + * + * Return value: The alpha test reference value of @pipeline. + * + * Since: 2.0 + * Stability: Unstable + */ +float +cogl_pipeline_get_alpha_test_reference (CoglPipeline *pipeline); + +/** + * cogl_pipeline_set_blend: + * @pipeline: A #CoglPipeline object + * @blend_string: A Cogl blend string + * describing the desired blend function. + * @error: return location for a #CoglError that may report lack of driver + * support if you give separate blend string statements for the alpha + * channel and RGB channels since some drivers, or backends such as + * GLES 1.1, don't support this feature. May be %NULL, in which case a + * warning will be printed out using GLib's logging facilities if an + * error is encountered. + * + * If not already familiar; please refer here + * for an overview of what blend strings are, and their syntax. + * + * Blending occurs after the alpha test function, and combines fragments with + * the framebuffer. + + * Currently the only blend function Cogl exposes is ADD(). So any valid + * blend statements will be of the form: + * + * |[ + * <channel-mask>=ADD(SRC_COLOR*(<factor>), DST_COLOR*(<factor>)) + * ]| + * + * This is the list of source-names usable as blend factors: + * + * SRC_COLOR: The color of the in comming fragment + * DST_COLOR: The color of the framebuffer + * CONSTANT: The constant set via cogl_pipeline_set_blend_constant() + * + * + * The source names can be used according to the + * color-source and factor syntax, + * so for example "(1-SRC_COLOR[A])" would be a valid factor, as would + * "(CONSTANT[RGB])" + * + * These can also be used as factors: + * + * 0: (0, 0, 0, 0) + * 1: (1, 1, 1, 1) + * SRC_ALPHA_SATURATE_FACTOR: (f,f,f,1) where f = MIN(SRC_COLOR[A],1-DST_COLOR[A]) + * + * + * Remember; all color components are normalized to the range [0, 1] + * before computing the result of blending. + * + * + * Blend Strings/1 + * Blend a non-premultiplied source over a destination with + * premultiplied alpha: + * + * "RGB = ADD(SRC_COLOR*(SRC_COLOR[A]), DST_COLOR*(1-SRC_COLOR[A]))" + * "A = ADD(SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))" + * + * + * + * + * Blend Strings/2 + * Blend a premultiplied source over a destination with + * premultiplied alpha + * + * "RGBA = ADD(SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))" + * + * + * + * The default blend string is: + * |[ + * RGBA = ADD (SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A])) + * ]| + * + * That gives normal alpha-blending when the calculated color for the pipeline + * is in premultiplied form. + * + * Return value: %TRUE if the blend string was successfully parsed, and the + * described blending is supported by the underlying driver/hardware. If + * there was an error, %FALSE is returned and @error is set accordingly (if + * present). + * + * Since: 2.0 + * Stability: Unstable + */ +CoglBool +cogl_pipeline_set_blend (CoglPipeline *pipeline, + const char *blend_string, + CoglError **error); + +/** + * cogl_pipeline_set_blend_constant: + * @pipeline: A #CoglPipeline object + * @constant_color: The constant color you want + * + * When blending is setup to reference a CONSTANT blend factor then + * blending will depend on the constant set with this function. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_blend_constant (CoglPipeline *pipeline, + const CoglColor *constant_color); + +/** + * cogl_pipeline_set_point_size: + * @pipeline: a #CoglPipeline pointer + * @point_size: the new point size. + * + * Changes the size of points drawn when %COGL_VERTICES_MODE_POINTS is + * used with the attribute buffer API. Note that typically the GPU + * will only support a limited minimum and maximum range of point + * sizes. If the chosen point size is outside that range then the + * nearest value within that range will be used instead. The size of a + * point is in screen space so it will be the same regardless of any + * transformations. + * + * If the point size is set to 0.0 then drawing points with the + * pipeline will have undefined results. This is the default value so + * if an application wants to draw points it must make sure to use a + * pipeline that has an explicit point size set on it. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_point_size (CoglPipeline *pipeline, + float point_size); + +/** + * cogl_pipeline_get_point_size: + * @pipeline: a #CoglPipeline pointer + * + * Get the size of points drawn when %COGL_VERTICES_MODE_POINTS is + * used with the vertex buffer API. + * + * Return value: the point size of the @pipeline. + * + * Since: 2.0 + * Stability: Unstable + */ +float +cogl_pipeline_get_point_size (CoglPipeline *pipeline); + +/** + * cogl_pipeline_set_per_vertex_point_size: + * @pipeline: a #CoglPipeline pointer + * @enable: whether to enable per-vertex point size + * @error: a location to store a #CoglError if the change failed + * + * Sets whether to use a per-vertex point size or to use the value set + * by cogl_pipeline_set_point_size(). If per-vertex point size is + * enabled then the point size can be set for an individual point + * either by drawing with a #CoglAttribute with the name + * ‘cogl_point_size_in’ or by writing to the GLSL builtin + * ‘cogl_point_size_out’ from a vertex shader snippet. + * + * If per-vertex point size is enabled and this attribute is not used + * and cogl_point_size_out is not written to then the results are + * undefined. + * + * Note that enabling this will only work if the + * %COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE feature is available. If + * this is not available then the function will return %FALSE and set + * a #CoglError. + * + * Since: 2.0 + * Stability: Unstable + * Return value: %TRUE if the change suceeded or %FALSE otherwise + */ +CoglBool +cogl_pipeline_set_per_vertex_point_size (CoglPipeline *pipeline, + CoglBool enable, + CoglError **error); + +/** + * cogl_pipeline_get_per_vertex_point_size: + * @pipeline: a #CoglPipeline pointer + * + * Since: 2.0 + * Stability: Unstable + * Return value: %TRUE if the pipeline has per-vertex point size + * enabled or %FALSE otherwise. The per-vertex point size can be + * enabled with cogl_pipeline_set_per_vertex_point_size(). + */ +CoglBool +cogl_pipeline_get_per_vertex_point_size (CoglPipeline *pipeline); + +/** + * cogl_pipeline_get_color_mask: + * @pipeline: a #CoglPipeline object. + * + * Gets the current #CoglColorMask of which channels would be written to the + * current framebuffer. Each bit set in the mask means that the + * corresponding color would be written. + * + * Returns: A #CoglColorMask + * Since: 1.8 + * Stability: unstable + */ +CoglColorMask +cogl_pipeline_get_color_mask (CoglPipeline *pipeline); + +/** + * cogl_pipeline_set_color_mask: + * @pipeline: a #CoglPipeline object. + * @color_mask: A #CoglColorMask of which color channels to write to + * the current framebuffer. + * + * Defines a bit mask of which color channels should be written to the + * current framebuffer. If a bit is set in @color_mask that means that + * color will be written. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_pipeline_set_color_mask (CoglPipeline *pipeline, + CoglColorMask color_mask); + +/** + * cogl_pipeline_get_user_program: + * @pipeline: a #CoglPipeline object. + * + * Queries what user program has been associated with the given + * @pipeline using cogl_pipeline_set_user_program(). + * + * Return value: (transfer none): The current user program or %COGL_INVALID_HANDLE. + * + * Since: 2.0 + * Stability: Unstable + */ +CoglHandle +cogl_pipeline_get_user_program (CoglPipeline *pipeline); + +/** + * cogl_pipeline_set_user_program: + * @pipeline: a #CoglPipeline object. + * @program: A #CoglHandle to a linked CoglProgram + * + * Associates a linked CoglProgram with the given pipeline so that the + * program can take full control of vertex and/or fragment processing. + * + * This is an example of how it can be used to associate an ARBfp + * program with a #CoglPipeline: + * |[ + * CoglHandle shader; + * CoglHandle program; + * CoglPipeline *pipeline; + * + * shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT); + * cogl_shader_source (shader, + * "!!ARBfp1.0\n" + * "MOV result.color,fragment.color;\n" + * "END\n"); + * cogl_shader_compile (shader); + * + * program = cogl_create_program (); + * cogl_program_attach_shader (program, shader); + * cogl_program_link (program); + * + * pipeline = cogl_pipeline_new (); + * cogl_pipeline_set_user_program (pipeline, program); + * + * cogl_set_source_color4ub (0xff, 0x00, 0x00, 0xff); + * cogl_rectangle (0, 0, 100, 100); + * ]| + * + * It is possibly worth keeping in mind that this API is not part of + * the long term design for how we want to expose shaders to Cogl + * developers (We are planning on deprecating the cogl_program and + * cogl_shader APIs in favour of a "snippet" framework) but in the + * meantime we hope this will handle most practical GLSL and ARBfp + * requirements. + * + * Also remember you need to check for either the + * %COGL_FEATURE_SHADERS_GLSL or %COGL_FEATURE_SHADERS_ARBFP before + * using the cogl_program or cogl_shader API. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_user_program (CoglPipeline *pipeline, + CoglHandle program); + +/** + * cogl_pipeline_set_depth_state: + * @pipeline: A #CoglPipeline object + * @state: A #CoglDepthState struct + * @error: A #CoglError to report failures to setup the given @state. + * + * This commits all the depth state configured in @state struct to the + * given @pipeline. The configuration values are copied into the + * pipeline so there is no requirement to keep the #CoglDepthState + * struct around if you don't need it any more. + * + * Note: Since some platforms do not support the depth range feature + * it is possible for this function to fail and report an @error. + * + * Returns: TRUE if the GPU supports all the given @state else %FALSE + * and returns an @error. + * + * Since: 2.0 + * Stability: Unstable + */ +CoglBool +cogl_pipeline_set_depth_state (CoglPipeline *pipeline, + const CoglDepthState *state, + CoglError **error); + +/** + * cogl_pipeline_get_depth_state: + * @pipeline: A #CoglPipeline object + * @state_out: (out): A destination #CoglDepthState struct + * + * Retrieves the current depth state configuration for the given + * @pipeline as previously set using cogl_pipeline_set_depth_state(). + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_get_depth_state (CoglPipeline *pipeline, + CoglDepthState *state_out); + +/** + * CoglPipelineCullFaceMode: + * @COGL_PIPELINE_CULL_FACE_MODE_NONE: Neither face will be + * culled. This is the default. + * @COGL_PIPELINE_CULL_FACE_MODE_FRONT: Front faces will be culled. + * @COGL_PIPELINE_CULL_FACE_MODE_BACK: Back faces will be culled. + * @COGL_PIPELINE_CULL_FACE_MODE_BOTH: All faces will be culled. + * + * Specifies which faces should be culled. This can be set on a + * pipeline using cogl_pipeline_set_cull_face_mode(). + */ +typedef enum +{ + COGL_PIPELINE_CULL_FACE_MODE_NONE, + COGL_PIPELINE_CULL_FACE_MODE_FRONT, + COGL_PIPELINE_CULL_FACE_MODE_BACK, + COGL_PIPELINE_CULL_FACE_MODE_BOTH +} CoglPipelineCullFaceMode; + +/** + * cogl_pipeline_set_cull_face_mode: + * @pipeline: A #CoglPipeline + * @cull_face_mode: The new mode to set + * + * Sets which faces will be culled when drawing. Face culling can be + * used to increase efficiency by avoiding drawing faces that would + * get overridden. For example, if a model has gaps so that it is + * impossible to see the inside then faces which are facing away from + * the screen will never be seen so there is no point in drawing + * them. This can be acheived by setting the cull face mode to + * %COGL_PIPELINE_CULL_FACE_MODE_BACK. + * + * Face culling relies on the primitives being drawn with a specific + * order to represent which faces are facing inside and outside the + * model. This order can be specified by calling + * cogl_pipeline_set_front_face_winding(). + * + * Status: Unstable + * Since: 2.0 + */ +void +cogl_pipeline_set_cull_face_mode (CoglPipeline *pipeline, + CoglPipelineCullFaceMode cull_face_mode); + +/** + * cogl_pipeline_get_cull_face_mode: + * + * Return value: the cull face mode that was previously set with + * cogl_pipeline_set_cull_face_mode(). + * + * Status: Unstable + * Since: 2.0 + */ +CoglPipelineCullFaceMode +cogl_pipeline_get_cull_face_mode (CoglPipeline *pipeline); + +/** + * cogl_pipeline_set_front_face_winding: + * @pipeline: a #CoglPipeline + * @front_winding: the winding order + * + * The order of the vertices within a primitive specifies whether it + * is considered to be front or back facing. This function specifies + * which order is considered to be the front + * faces. %COGL_WINDING_COUNTER_CLOCKWISE sets the front faces to + * primitives with vertices in a counter-clockwise order and + * %COGL_WINDING_CLOCKWISE sets them to be clockwise. The default is + * %COGL_WINDING_COUNTER_CLOCKWISE. + * + * Status: Unstable + * Since: 2.0 + */ +void +cogl_pipeline_set_front_face_winding (CoglPipeline *pipeline, + CoglWinding front_winding); + +/** + * cogl_pipeline_get_front_face_winding: + * @pipeline: a #CoglPipeline + * + * The order of the vertices within a primitive specifies whether it + * is considered to be front or back facing. This function specifies + * which order is considered to be the front + * faces. %COGL_WINDING_COUNTER_CLOCKWISE sets the front faces to + * primitives with vertices in a counter-clockwise order and + * %COGL_WINDING_CLOCKWISE sets them to be clockwise. The default is + * %COGL_WINDING_COUNTER_CLOCKWISE. + * + * Returns: The @pipeline front face winding + * + * Status: Unstable + * Since: 2.0 + */ +CoglWinding +cogl_pipeline_get_front_face_winding (CoglPipeline *pipeline); + +/** + * cogl_pipeline_set_uniform_1f: + * @pipeline: A #CoglPipeline object + * @uniform_location: The uniform's location identifier + * @value: The new value for the uniform + * + * Sets a new value for the uniform at @uniform_location. If this + * pipeline has a user program attached and is later used as a source + * for drawing, the given value will be assigned to the uniform which + * can be accessed from the shader's source. The value for + * @uniform_location should be retrieved from the string name of the + * uniform by calling cogl_pipeline_get_uniform_location(). + * + * This function should be used to set uniforms that are of type + * float. It can also be used to set a single member of a float array + * uniform. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_uniform_1f (CoglPipeline *pipeline, + int uniform_location, + float value); + +/** + * cogl_pipeline_set_uniform_1i: + * @pipeline: A #CoglPipeline object + * @uniform_location: The uniform's location identifier + * @value: The new value for the uniform + * + * Sets a new value for the uniform at @uniform_location. If this + * pipeline has a user program attached and is later used as a source + * for drawing, the given value will be assigned to the uniform which + * can be accessed from the shader's source. The value for + * @uniform_location should be retrieved from the string name of the + * uniform by calling cogl_pipeline_get_uniform_location(). + * + * This function should be used to set uniforms that are of type + * int. It can also be used to set a single member of a int array + * uniform or a sampler uniform. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_uniform_1i (CoglPipeline *pipeline, + int uniform_location, + int value); + +/** + * cogl_pipeline_set_uniform_float: + * @pipeline: A #CoglPipeline object + * @uniform_location: The uniform's location identifier + * @n_components: The number of components in the corresponding uniform's type + * @count: The number of values to set + * @value: Pointer to the new values to set + * + * Sets new values for the uniform at @uniform_location. If this + * pipeline has a user program attached and is later used as a source + * for drawing, the given values will be assigned to the uniform which + * can be accessed from the shader's source. The value for + * @uniform_location should be retrieved from the string name of the + * uniform by calling cogl_pipeline_get_uniform_location(). + * + * This function can be used to set any floating point type uniform, + * including float arrays and float vectors. For example, to set a + * single vec4 uniform you would use 4 for @n_components and 1 for + * @count. To set an array of 8 float values, you could use 1 for + * @n_components and 8 for @count. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_uniform_float (CoglPipeline *pipeline, + int uniform_location, + int n_components, + int count, + const float *value); + +/** + * cogl_pipeline_set_uniform_int: + * @pipeline: A #CoglPipeline object + * @uniform_location: The uniform's location identifier + * @n_components: The number of components in the corresponding uniform's type + * @count: The number of values to set + * @value: Pointer to the new values to set + * + * Sets new values for the uniform at @uniform_location. If this + * pipeline has a user program attached and is later used as a source + * for drawing, the given values will be assigned to the uniform which + * can be accessed from the shader's source. The value for + * @uniform_location should be retrieved from the string name of the + * uniform by calling cogl_pipeline_get_uniform_location(). + * + * This function can be used to set any integer type uniform, + * including int arrays and int vectors. For example, to set a single + * ivec4 uniform you would use 4 for @n_components and 1 for + * @count. To set an array of 8 int values, you could use 1 for + * @n_components and 8 for @count. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_uniform_int (CoglPipeline *pipeline, + int uniform_location, + int n_components, + int count, + const int *value); + +/** + * cogl_pipeline_set_uniform_matrix: + * @pipeline: A #CoglPipeline object + * @uniform_location: The uniform's location identifier + * @dimensions: The size of the matrix + * @count: The number of values to set + * @transpose: Whether to transpose the matrix + * @value: Pointer to the new values to set + * + * Sets new values for the uniform at @uniform_location. If this + * pipeline has a user program attached and is later used as a source + * for drawing, the given values will be assigned to the uniform which + * can be accessed from the shader's source. The value for + * @uniform_location should be retrieved from the string name of the + * uniform by calling cogl_pipeline_get_uniform_location(). + * + * This function can be used to set any matrix type uniform, including + * matrix arrays. For example, to set a single mat4 uniform you would + * use 4 for @dimensions and 1 for @count. To set an array of 8 + * mat3 values, you could use 3 for @dimensions and 8 for @count. + * + * If @transpose is %FALSE then the matrix is expected to be in + * column-major order or if it is %TRUE then the matrix is in + * row-major order. You can pass a #CoglMatrix by calling by passing + * the result of cogl_matrix_get_array() in @value and setting + * @transpose to %FALSE. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_set_uniform_matrix (CoglPipeline *pipeline, + int uniform_location, + int dimensions, + int count, + CoglBool transpose, + const float *value); + +/** + * cogl_pipeline_add_snippet: + * @pipeline: A #CoglPipeline + * @snippet: The #CoglSnippet to add to the vertex processing hook + * + * Adds a shader snippet to @pipeline. The snippet will wrap around or + * replace some part of the pipeline as defined by the hook point in + * @snippet. Note that some hook points are specific to a layer and + * must be added with cogl_pipeline_add_layer_snippet() instead. + * + * Since: 1.10 + * Stability: Unstable + */ +void +cogl_pipeline_add_snippet (CoglPipeline *pipeline, + CoglSnippet *snippet); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +COGL_END_DECLS + +#endif /* __COGL_PIPELINE_STATE_H__ */ diff --git a/cogl/cogl-pipeline.c b/cogl/cogl-pipeline.c new file mode 100644 index 0000000..b2fee10 --- /dev/null +++ b/cogl/cogl-pipeline.c @@ -0,0 +1,3174 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-debug.h" +#include "cogl-context-private.h" +#include "cogl-object.h" + +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-pipeline-state-private.h" +#include "cogl-pipeline-layer-state-private.h" +#include "cogl-texture-private.h" +#include "cogl-blend-string.h" +#include "cogl-journal-private.h" +#include "cogl-color-private.h" +#include "cogl-util.h" +#include "cogl-profile.h" +#include "cogl-depth-state-private.h" +#include "cogl1-context.h" +#include "cogl-gtype-private.h" + +#include +#include +#include + +static void _cogl_pipeline_free (CoglPipeline *tex); +static void recursively_free_layer_caches (CoglPipeline *pipeline); +static CoglBool _cogl_pipeline_is_weak (CoglPipeline *pipeline); + +const CoglPipelineFragend *_cogl_pipeline_fragends[COGL_PIPELINE_N_FRAGENDS]; +const CoglPipelineVertend *_cogl_pipeline_vertends[COGL_PIPELINE_N_VERTENDS]; +/* The 'MAX' here is so that we don't define an empty array when there + are no progends */ +const CoglPipelineProgend * +_cogl_pipeline_progends[MAX (COGL_PIPELINE_N_PROGENDS, 1)]; + +#ifdef COGL_PIPELINE_FRAGEND_GLSL +#include "cogl-pipeline-fragend-glsl-private.h" +#endif +#ifdef COGL_PIPELINE_FRAGEND_ARBFP +#include "cogl-pipeline-fragend-arbfp-private.h" +#endif +#ifdef COGL_PIPELINE_FRAGEND_FIXED +#include "cogl-pipeline-fragend-fixed-private.h" +#endif + +#ifdef COGL_PIPELINE_VERTEND_GLSL +#include "cogl-pipeline-vertend-glsl-private.h" +#endif +#ifdef COGL_PIPELINE_VERTEND_FIXED +#include "cogl-pipeline-vertend-fixed-private.h" +#endif + +#ifdef COGL_PIPELINE_PROGEND_FIXED_ARBFP +#include "cogl-pipeline-progend-fixed-arbfp-private.h" +#endif +#ifdef COGL_PIPELINE_PROGEND_FIXED +#include "cogl-pipeline-progend-fixed-private.h" +#endif +#ifdef COGL_PIPELINE_PROGEND_GLSL +#include "cogl-pipeline-progend-glsl-private.h" +#endif + +COGL_OBJECT_DEFINE (Pipeline, pipeline); +COGL_GTYPE_DEFINE_CLASS (Pipeline, pipeline); + +/* + * This initializes the first pipeline owned by the Cogl context. All + * subsequently instantiated pipelines created via the cogl_pipeline_new() + * API will initially be a copy of this pipeline. + * + * The default pipeline is the topmost ancester for all pipelines. + */ +void +_cogl_pipeline_init_default_pipeline (void) +{ + /* Create new - blank - pipeline */ + CoglPipeline *pipeline = g_slice_new0 (CoglPipeline); + /* XXX: NB: It's important that we zero this to avoid polluting + * pipeline hash values with un-initialized data */ + CoglPipelineBigState *big_state = g_slice_new0 (CoglPipelineBigState); + CoglPipelineLightingState *lighting_state = &big_state->lighting_state; + CoglPipelineAlphaFuncState *alpha_state = &big_state->alpha_state; + CoglPipelineBlendState *blend_state = &big_state->blend_state; + CoglPipelineLogicOpsState *logic_ops_state = &big_state->logic_ops_state; + CoglPipelineCullFaceState *cull_face_state = &big_state->cull_face_state; + CoglPipelineUniformsState *uniforms_state = &big_state->uniforms_state; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* Take this opportunity to setup the backends... */ +#ifdef COGL_PIPELINE_FRAGEND_GLSL + _cogl_pipeline_fragends[COGL_PIPELINE_FRAGEND_GLSL] = + &_cogl_pipeline_glsl_fragend; +#endif +#ifdef COGL_PIPELINE_FRAGEND_ARBFP + _cogl_pipeline_fragends[COGL_PIPELINE_FRAGEND_ARBFP] = + &_cogl_pipeline_arbfp_fragend; +#endif +#ifdef COGL_PIPELINE_FRAGEND_FIXED + _cogl_pipeline_fragends[COGL_PIPELINE_FRAGEND_FIXED] = + &_cogl_pipeline_fixed_fragend; +#endif +#ifdef COGL_PIPELINE_PROGEND_FIXED + _cogl_pipeline_progends[COGL_PIPELINE_PROGEND_FIXED_ARBFP] = + &_cogl_pipeline_fixed_arbfp_progend; +#endif +#ifdef COGL_PIPELINE_PROGEND_FIXED + _cogl_pipeline_progends[COGL_PIPELINE_PROGEND_FIXED] = + &_cogl_pipeline_fixed_progend; +#endif +#ifdef COGL_PIPELINE_PROGEND_GLSL + _cogl_pipeline_progends[COGL_PIPELINE_PROGEND_GLSL] = + &_cogl_pipeline_glsl_progend; +#endif + +#ifdef COGL_PIPELINE_VERTEND_GLSL + _cogl_pipeline_vertends[COGL_PIPELINE_VERTEND_GLSL] = + &_cogl_pipeline_glsl_vertend; +#endif +#ifdef COGL_PIPELINE_VERTEND_FIXED + _cogl_pipeline_vertends[COGL_PIPELINE_VERTEND_FIXED] = + &_cogl_pipeline_fixed_vertend; +#endif + + _cogl_pipeline_node_init (COGL_NODE (pipeline)); + + pipeline->is_weak = FALSE; + pipeline->journal_ref_count = 0; + pipeline->progend = COGL_PIPELINE_PROGEND_UNDEFINED; + pipeline->differences = COGL_PIPELINE_STATE_ALL_SPARSE; + + pipeline->real_blend_enable = FALSE; + + pipeline->blend_enable = COGL_PIPELINE_BLEND_ENABLE_AUTOMATIC; + pipeline->layer_differences = NULL; + pipeline->n_layers = 0; + + pipeline->big_state = big_state; + pipeline->has_big_state = TRUE; + + pipeline->static_breadcrumb = "default pipeline"; + pipeline->has_static_breadcrumb = TRUE; + + pipeline->age = 0; + + /* Use the same defaults as the GL spec... */ + cogl_color_init_from_4ub (&pipeline->color, 0xff, 0xff, 0xff, 0xff); + + /* Use the same defaults as the GL spec... */ + lighting_state->ambient[0] = 0.2; + lighting_state->ambient[1] = 0.2; + lighting_state->ambient[2] = 0.2; + lighting_state->ambient[3] = 1.0; + + lighting_state->diffuse[0] = 0.8; + lighting_state->diffuse[1] = 0.8; + lighting_state->diffuse[2] = 0.8; + lighting_state->diffuse[3] = 1.0; + + lighting_state->specular[0] = 0; + lighting_state->specular[1] = 0; + lighting_state->specular[2] = 0; + lighting_state->specular[3] = 1.0; + + lighting_state->emission[0] = 0; + lighting_state->emission[1] = 0; + lighting_state->emission[2] = 0; + lighting_state->emission[3] = 1.0; + + lighting_state->shininess = 0.0f; + + /* Use the same defaults as the GL spec... */ + alpha_state->alpha_func = COGL_PIPELINE_ALPHA_FUNC_ALWAYS; + alpha_state->alpha_func_reference = 0.0; + + /* Not the same as the GL default, but seems saner... */ +#if defined(HAVE_COGL_GLES2) || defined(HAVE_COGL_GL) + blend_state->blend_equation_rgb = GL_FUNC_ADD; + blend_state->blend_equation_alpha = GL_FUNC_ADD; + blend_state->blend_src_factor_alpha = GL_ONE; + blend_state->blend_dst_factor_alpha = GL_ONE_MINUS_SRC_ALPHA; + cogl_color_init_from_4ub (&blend_state->blend_constant, + 0x00, 0x00, 0x00, 0x00); +#endif + blend_state->blend_src_factor_rgb = GL_ONE; + blend_state->blend_dst_factor_rgb = GL_ONE_MINUS_SRC_ALPHA; + + big_state->user_program = COGL_INVALID_HANDLE; + + cogl_depth_state_init (&big_state->depth_state); + + big_state->point_size = 0.0f; + + logic_ops_state->color_mask = COGL_COLOR_MASK_ALL; + + cull_face_state->mode = COGL_PIPELINE_CULL_FACE_MODE_NONE; + cull_face_state->front_winding = COGL_WINDING_COUNTER_CLOCKWISE; + + _cogl_bitmask_init (&uniforms_state->override_mask); + _cogl_bitmask_init (&uniforms_state->changed_mask); + uniforms_state->override_values = NULL; + + ctx->default_pipeline = _cogl_pipeline_object_new (pipeline); +} + +static void +_cogl_pipeline_unparent (CoglNode *pipeline) +{ + /* Chain up */ + _cogl_pipeline_node_unparent_real (pipeline); +} + +static CoglBool +recursively_free_layer_caches_cb (CoglNode *node, + void *user_data) +{ + recursively_free_layer_caches (COGL_PIPELINE (node)); + return TRUE; +} + +/* This recursively frees the layers_cache of a pipeline and all of + * its descendants. + * + * For instance if we change a pipelines ->layer_differences list + * then that pipeline and all of its descendants may now have + * incorrect layer caches. */ +static void +recursively_free_layer_caches (CoglPipeline *pipeline) +{ + /* Note: we maintain the invariable that if a pipeline already has a + * dirty layers_cache then so do all of its descendants. */ + if (pipeline->layers_cache_dirty) + return; + + if (G_UNLIKELY (pipeline->layers_cache != pipeline->short_layers_cache)) + g_slice_free1 (sizeof (CoglPipelineLayer *) * pipeline->n_layers, + pipeline->layers_cache); + pipeline->layers_cache_dirty = TRUE; + + _cogl_pipeline_node_foreach_child (COGL_NODE (pipeline), + recursively_free_layer_caches_cb, + NULL); +} + +static void +_cogl_pipeline_set_parent (CoglPipeline *pipeline, + CoglPipeline *parent, + CoglBool take_strong_reference) +{ + /* Chain up */ + _cogl_pipeline_node_set_parent_real (COGL_NODE (pipeline), + COGL_NODE (parent), + _cogl_pipeline_unparent, + take_strong_reference); + + /* Since we just changed the ancestry of the pipeline its cache of + * layers could now be invalid so free it... */ + if (pipeline->differences & COGL_PIPELINE_STATE_LAYERS) + recursively_free_layer_caches (pipeline); + + /* If the backends are also caching state along with the pipeline + * that depends on the pipeline's ancestry then it may be notified + * here... + */ + if (pipeline->progend != COGL_PIPELINE_PROGEND_UNDEFINED) + { + const CoglPipelineProgend *progend = + _cogl_pipeline_progends[pipeline->progend]; + const CoglPipelineFragend *fragend = + _cogl_pipeline_fragends[progend->fragend]; + + /* Currently only the fragends ever care about reparenting of + * pipelines... */ + if (fragend->pipeline_set_parent_notify) + fragend->pipeline_set_parent_notify (pipeline); + } +} + +static void +_cogl_pipeline_promote_weak_ancestors (CoglPipeline *strong) +{ + CoglNode *n; + + _COGL_RETURN_IF_FAIL (!strong->is_weak); + + /* If the parent of strong is weak, then we want to promote it by + taking a reference on strong's grandparent. We don't need to take + a reference on strong's direct parent */ + + if (COGL_NODE (strong)->parent == NULL) + return; + + for (n = COGL_NODE (strong)->parent; + /* We can assume that all weak pipelines have a parent */ + COGL_PIPELINE (n)->is_weak; + n = n->parent) + /* 'n' is weak so we take a reference on its parent */ + cogl_object_ref (n->parent); +} + +static void +_cogl_pipeline_revert_weak_ancestors (CoglPipeline *strong) +{ + CoglNode *n; + + _COGL_RETURN_IF_FAIL (!strong->is_weak); + + /* This reverts the effect of calling + _cogl_pipeline_promote_weak_ancestors */ + + if (COGL_NODE (strong)->parent == NULL) + return; + + for (n = COGL_NODE (strong)->parent; + /* We can assume that all weak pipelines have a parent */ + COGL_PIPELINE (n)->is_weak; + n = n->parent) + /* 'n' is weak so we unref its parent */ + cogl_object_unref (n->parent); +} + +/* XXX: Always have an eye out for opportunities to lower the cost of + * cogl_pipeline_copy. */ +static CoglPipeline * +_cogl_pipeline_copy (CoglPipeline *src, CoglBool is_weak) +{ + CoglPipeline *pipeline = g_slice_new (CoglPipeline); + + _cogl_pipeline_node_init (COGL_NODE (pipeline)); + + pipeline->is_weak = is_weak; + + pipeline->journal_ref_count = 0; + + pipeline->differences = 0; + + pipeline->has_big_state = FALSE; + + /* NB: real_blend_enable isn't a sparse property, it's valid for + * every pipeline node so we have fast access to it. */ + pipeline->real_blend_enable = src->real_blend_enable; + pipeline->dirty_real_blend_enable = src->dirty_real_blend_enable; + pipeline->unknown_color_alpha = src->unknown_color_alpha; + + /* XXX: + * consider generalizing the idea of "cached" properties. These + * would still have an authority like other sparse properties but + * you wouldn't have to walk up the ancestry to find the authority + * because the value would be cached directly in each pipeline. + */ + + pipeline->layers_cache_dirty = TRUE; + pipeline->deprecated_get_layers_list = NULL; + pipeline->deprecated_get_layers_list_dirty = TRUE; + + pipeline->progend = src->progend; + + pipeline->has_static_breadcrumb = FALSE; + + pipeline->age = 0; + + _cogl_pipeline_set_parent (pipeline, src, !is_weak); + + /* The semantics for copying a weak pipeline are that we promote all + * weak ancestors to temporarily become strong pipelines until the + * copy is freed. */ + if (!is_weak) + _cogl_pipeline_promote_weak_ancestors (pipeline); + + return _cogl_pipeline_object_new (pipeline); +} + +CoglPipeline * +cogl_pipeline_copy (CoglPipeline *src) +{ + return _cogl_pipeline_copy (src, FALSE); +} + +CoglPipeline * +_cogl_pipeline_weak_copy (CoglPipeline *pipeline, + CoglPipelineDestroyCallback callback, + void *user_data) +{ + CoglPipeline *copy; + CoglPipeline *copy_pipeline; + + copy = _cogl_pipeline_copy (pipeline, TRUE); + copy_pipeline = COGL_PIPELINE (copy); + copy_pipeline->destroy_callback = callback; + copy_pipeline->destroy_data = user_data; + + return copy; +} + +CoglPipeline * +cogl_pipeline_new (CoglContext *context) +{ + CoglPipeline *new; + + new = cogl_pipeline_copy (context->default_pipeline); +#ifdef COGL_DEBUG_ENABLED + _cogl_pipeline_set_static_breadcrumb (new, "new"); +#endif + return new; +} + +static CoglBool +destroy_weak_children_cb (CoglNode *node, + void *user_data) +{ + CoglPipeline *pipeline = COGL_PIPELINE (node); + + if (_cogl_pipeline_is_weak (pipeline)) + { + _cogl_pipeline_node_foreach_child (COGL_NODE (pipeline), + destroy_weak_children_cb, + NULL); + + pipeline->destroy_callback (pipeline, pipeline->destroy_data); + _cogl_pipeline_unparent (COGL_NODE (pipeline)); + } + + return TRUE; +} + +static void +_cogl_pipeline_free (CoglPipeline *pipeline) +{ + if (!pipeline->is_weak) + _cogl_pipeline_revert_weak_ancestors (pipeline); + + /* Weak pipelines don't take a reference on their parent */ + _cogl_pipeline_node_foreach_child (COGL_NODE (pipeline), + destroy_weak_children_cb, + NULL); + + g_assert (_cogl_list_empty (&COGL_NODE (pipeline)->children)); + + _cogl_pipeline_unparent (COGL_NODE (pipeline)); + + if (pipeline->differences & COGL_PIPELINE_STATE_USER_SHADER && + pipeline->big_state->user_program) + cogl_handle_unref (pipeline->big_state->user_program); + + if (pipeline->differences & COGL_PIPELINE_STATE_UNIFORMS) + { + CoglPipelineUniformsState *uniforms_state + = &pipeline->big_state->uniforms_state; + int n_overrides = _cogl_bitmask_popcount (&uniforms_state->override_mask); + int i; + + for (i = 0; i < n_overrides; i++) + _cogl_boxed_value_destroy (uniforms_state->override_values + i); + g_free (uniforms_state->override_values); + + _cogl_bitmask_destroy (&uniforms_state->override_mask); + _cogl_bitmask_destroy (&uniforms_state->changed_mask); + } + + if (pipeline->differences & COGL_PIPELINE_STATE_NEEDS_BIG_STATE) + g_slice_free (CoglPipelineBigState, pipeline->big_state); + + if (pipeline->differences & COGL_PIPELINE_STATE_LAYERS) + { + g_list_foreach (pipeline->layer_differences, + (GFunc)cogl_object_unref, NULL); + g_list_free (pipeline->layer_differences); + } + + if (pipeline->differences & COGL_PIPELINE_STATE_VERTEX_SNIPPETS) + _cogl_pipeline_snippet_list_free (&pipeline->big_state->vertex_snippets); + + if (pipeline->differences & COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS) + _cogl_pipeline_snippet_list_free (&pipeline->big_state->fragment_snippets); + + g_list_free (pipeline->deprecated_get_layers_list); + + recursively_free_layer_caches (pipeline); + + g_slice_free (CoglPipeline, pipeline); +} + +CoglBool +_cogl_pipeline_get_real_blend_enabled (CoglPipeline *pipeline) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + return pipeline->real_blend_enable; +} + +static void +_cogl_pipeline_update_layers_cache (CoglPipeline *pipeline) +{ + /* Note: we assume this pipeline is a _LAYERS authority */ + int n_layers; + CoglPipeline *current; + int layers_found; + + if (G_LIKELY (!pipeline->layers_cache_dirty) || + pipeline->n_layers == 0) + return; + + pipeline->layers_cache_dirty = FALSE; + + n_layers = pipeline->n_layers; + if (G_LIKELY (n_layers < G_N_ELEMENTS (pipeline->short_layers_cache))) + { + pipeline->layers_cache = pipeline->short_layers_cache; + memset (pipeline->layers_cache, 0, + sizeof (CoglPipelineLayer *) * + G_N_ELEMENTS (pipeline->short_layers_cache)); + } + else + { + pipeline->layers_cache = + g_slice_alloc0 (sizeof (CoglPipelineLayer *) * n_layers); + } + + /* Notes: + * + * Each pipeline doesn't have to contain a complete list of the layers + * it depends on, some of them are indirectly referenced through the + * pipeline's ancestors. + * + * pipeline->layer_differences only contains a list of layers that + * have changed in relation to its parent. + * + * pipeline->layer_differences is not maintained sorted, but it + * won't contain multiple layers corresponding to a particular + * ->unit_index. + * + * Some of the ancestor pipelines may reference layers with + * ->unit_index values >= n_layers so we ignore them. + * + * As we ascend through the ancestors we are searching for any + * CoglPipelineLayers corresponding to the texture ->unit_index + * values in the range [0,n_layers-1]. As soon as a pointer is found + * we ignore layers of further ancestors with the same ->unit_index + * values. + */ + + layers_found = 0; + for (current = pipeline; + _cogl_pipeline_get_parent (current); + current = _cogl_pipeline_get_parent (current)) + { + GList *l; + + if (!(current->differences & COGL_PIPELINE_STATE_LAYERS)) + continue; + + for (l = current->layer_differences; l; l = l->next) + { + CoglPipelineLayer *layer = l->data; + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + + if (unit_index < n_layers && !pipeline->layers_cache[unit_index]) + { + pipeline->layers_cache[unit_index] = layer; + layers_found++; + if (layers_found == n_layers) + return; + } + } + } + + g_warn_if_reached (); +} + +/* XXX: Be carefull when using this API that the callback given doesn't result + * in the layer cache being invalidated during the iteration! */ +void +_cogl_pipeline_foreach_layer_internal (CoglPipeline *pipeline, + CoglPipelineInternalLayerCallback callback, + void *user_data) +{ + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LAYERS); + int n_layers; + int i; + CoglBool cont; + + n_layers = authority->n_layers; + if (n_layers == 0) + return; + + _cogl_pipeline_update_layers_cache (authority); + + for (i = 0, cont = TRUE; i < n_layers && cont == TRUE; i++) + { + _COGL_RETURN_IF_FAIL (authority->layers_cache_dirty == FALSE); + cont = callback (authority->layers_cache[i], user_data); + } +} + +CoglBool +_cogl_pipeline_layer_numbers_equal (CoglPipeline *pipeline0, + CoglPipeline *pipeline1) +{ + CoglPipeline *authority0 = + _cogl_pipeline_get_authority (pipeline0, COGL_PIPELINE_STATE_LAYERS); + CoglPipeline *authority1 = + _cogl_pipeline_get_authority (pipeline1, COGL_PIPELINE_STATE_LAYERS); + int n_layers = authority0->n_layers; + int i; + + if (authority1->n_layers != n_layers) + return FALSE; + + _cogl_pipeline_update_layers_cache (authority0); + _cogl_pipeline_update_layers_cache (authority1); + + for (i = 0; i < n_layers; i++) + { + CoglPipelineLayer *layer0 = authority0->layers_cache[i]; + CoglPipelineLayer *layer1 = authority1->layers_cache[i]; + + if (layer0->index != layer1->index) + return FALSE; + } + + return TRUE; +} + +CoglBool +_cogl_pipeline_layer_and_unit_numbers_equal (CoglPipeline *pipeline0, + CoglPipeline *pipeline1) +{ + CoglPipeline *authority0 = + _cogl_pipeline_get_authority (pipeline0, COGL_PIPELINE_STATE_LAYERS); + CoglPipeline *authority1 = + _cogl_pipeline_get_authority (pipeline1, COGL_PIPELINE_STATE_LAYERS); + int n_layers = authority0->n_layers; + int i; + + if (authority1->n_layers != n_layers) + return FALSE; + + _cogl_pipeline_update_layers_cache (authority0); + _cogl_pipeline_update_layers_cache (authority1); + + for (i = 0; i < n_layers; i++) + { + CoglPipelineLayer *layer0 = authority0->layers_cache[i]; + CoglPipelineLayer *layer1 = authority1->layers_cache[i]; + int unit0, unit1; + + if (layer0->index != layer1->index) + return FALSE; + + unit0 = _cogl_pipeline_layer_get_unit_index (layer0); + unit1 = _cogl_pipeline_layer_get_unit_index (layer1); + if (unit0 != unit1) + return FALSE; + } + + return TRUE; +} + +typedef struct +{ + int i; + int *indices; +} AppendLayerIndexState; + +static CoglBool +append_layer_index_cb (CoglPipelineLayer *layer, + void *user_data) +{ + AppendLayerIndexState *state = user_data; + state->indices[state->i++] = layer->index; + return TRUE; +} + +void +cogl_pipeline_foreach_layer (CoglPipeline *pipeline, + CoglPipelineLayerCallback callback, + void *user_data) +{ + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LAYERS); + AppendLayerIndexState state; + CoglBool cont; + int i; + + /* XXX: We don't know what the user is going to want to do to the layers + * but any modification of layers can result in the layer graph changing + * which could confuse _cogl_pipeline_foreach_layer_internal(). We first + * get a list of layer indices which will remain valid so long as the + * user doesn't remove layers. */ + + state.i = 0; + state.indices = g_alloca (authority->n_layers * sizeof (int)); + + _cogl_pipeline_foreach_layer_internal (pipeline, + append_layer_index_cb, + &state); + + for (i = 0, cont = TRUE; i < authority->n_layers && cont; i++) + cont = callback (pipeline, state.indices[i], user_data); +} + +static CoglBool +layer_has_alpha_cb (CoglPipelineLayer *layer, void *data) +{ + CoglBool *has_alpha = data; + *has_alpha = _cogl_pipeline_layer_has_alpha (layer); + + /* return FALSE to stop iterating layers if we find any layer + * has alpha ... + * + * FIXME: actually we should never be bailing out because it's + * always possible that a later layer could discard any previous + * alpha! + */ + + return !(*has_alpha); +} + +/* NB: If this pipeline returns FALSE that doesn't mean that the + * pipeline is definitely opaque, it just means that that the + * given changes dont imply transparency. + * + * If you want to find out of the pipeline is opaque then assuming + * this returns FALSE for a set of changes then you can follow + * up + */ +static CoglBool +_cogl_pipeline_change_implies_transparency (CoglPipeline *pipeline, + unsigned int changes, + const CoglColor *override_color, + CoglBool unknown_color_alpha) +{ + /* In the case of a layer state change we need to check everything + * else first since they contribute to the has_alpha status of the + * "PREVIOUS" layer. */ + if (changes & COGL_PIPELINE_STATE_LAYERS) + changes = COGL_PIPELINE_STATE_AFFECTS_BLENDING; + + if (unknown_color_alpha) + return TRUE; + + if ((override_color && cogl_color_get_alpha_byte (override_color) != 0xff)) + return TRUE; + + if (changes & COGL_PIPELINE_STATE_COLOR) + { + CoglColor tmp; + cogl_pipeline_get_color (pipeline, &tmp); + if (cogl_color_get_alpha_byte (&tmp) != 0xff) + return TRUE; + } + + if (changes & COGL_PIPELINE_STATE_USER_SHADER) + { + /* We can't make any assumptions about the alpha channel if the user + * is using an unknown fragment shader. + * + * TODO: check that it isn't just a vertex shader! + */ + if (_cogl_pipeline_get_user_program (pipeline) != COGL_INVALID_HANDLE) + return TRUE; + } + + if (changes & COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS) + { + if (_cogl_pipeline_has_non_layer_fragment_snippets (pipeline)) + return TRUE; + } + + if (changes & COGL_PIPELINE_STATE_VERTEX_SNIPPETS) + { + if (_cogl_pipeline_has_non_layer_vertex_snippets (pipeline)) + return TRUE; + } + + /* XXX: we should only need to look at these if lighting is enabled + */ + if (changes & COGL_PIPELINE_STATE_LIGHTING) + { + /* XXX: This stuff is showing up in sysprof reports which is + * silly because lighting isn't currently actually supported + * by Cogl except for these token properties. When we actually + * expose lighting support we can avoid these checks when + * lighting is disabled. */ +#if 0 + CoglColor tmp; + cogl_pipeline_get_ambient (pipeline, &tmp); + if (cogl_color_get_alpha_byte (&tmp) != 0xff) + return TRUE; + cogl_pipeline_get_diffuse (pipeline, &tmp); + if (cogl_color_get_alpha_byte (&tmp) != 0xff) + return TRUE; + cogl_pipeline_get_specular (pipeline, &tmp); + if (cogl_color_get_alpha_byte (&tmp) != 0xff) + return TRUE; + cogl_pipeline_get_emission (pipeline, &tmp); + if (cogl_color_get_alpha_byte (&tmp) != 0xff) + return TRUE; +#endif + } + + if (changes & COGL_PIPELINE_STATE_LAYERS) + { + /* has_alpha tracks the alpha status of the GL_PREVIOUS layer. + * To start with that's defined by the pipeline color which + * must be fully opaque if we got this far. */ + CoglBool has_alpha = FALSE; + _cogl_pipeline_foreach_layer_internal (pipeline, + layer_has_alpha_cb, + &has_alpha); + if (has_alpha) + return TRUE; + } + + return FALSE; +} + +static CoglBool +_cogl_pipeline_needs_blending_enabled (CoglPipeline *pipeline, + unsigned int changes, + const CoglColor *override_color, + CoglBool unknown_color_alpha) +{ + CoglPipeline *enable_authority; + CoglPipeline *blend_authority; + CoglPipelineBlendState *blend_state; + CoglPipelineBlendEnable enabled; + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_BLENDING))) + return FALSE; + + /* We unconditionally check the _BLEND_ENABLE state first because + * all the other changes are irrelevent if blend_enable != _AUTOMATIC + */ + enable_authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_BLEND_ENABLE); + + enabled = enable_authority->blend_enable; + if (enabled != COGL_PIPELINE_BLEND_ENABLE_AUTOMATIC) + return enabled == COGL_PIPELINE_BLEND_ENABLE_ENABLED ? TRUE : FALSE; + + blend_authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_BLEND); + + blend_state = &blend_authority->big_state->blend_state; + + /* We are trying to identify some cases that are equivalent to + * blending being disable, where the output is simply GL_SRC_COLOR. + * + * Note: we currently only consider a few cases that can be + * optimized but there could be opportunities to special case more + * blend functions later. + */ + + /* As the most common way that we currently use to effectively + * disable blending is to use an equation of + * "RGBA=ADD(SRC_COLOR, 0)" that's the first thing we check + * for... */ + if (blend_state->blend_equation_rgb == GL_FUNC_ADD && + blend_state->blend_equation_alpha == GL_FUNC_ADD && + blend_state->blend_src_factor_alpha == GL_ONE && + blend_state->blend_dst_factor_alpha == GL_ZERO) + { + return FALSE; + } + + /* NB: The default blending equation for Cogl is + * "RGBA=ADD(SRC_COLOR, DST_COLOR * (1-SRC_COLOR[A]))" + * + * Next we check if the default blending equation is being used. If + * so then we follow that by looking for cases where SRC_COLOR[A] == + * 1 since that simplifies "DST_COLOR * (1-SRC_COLOR[A])" to 0 which + * also effectively requires no blending. + */ + + if (blend_state->blend_equation_rgb != GL_FUNC_ADD || + blend_state->blend_equation_alpha != GL_FUNC_ADD) + return TRUE; + + if (blend_state->blend_src_factor_alpha != GL_ONE || + blend_state->blend_dst_factor_alpha != GL_ONE_MINUS_SRC_ALPHA) + return TRUE; + + if (blend_state->blend_src_factor_rgb != GL_ONE || + blend_state->blend_dst_factor_rgb != GL_ONE_MINUS_SRC_ALPHA) + return TRUE; + + /* Given the above constraints, it's now a case of finding any + * SRC_ALPHA that != 1 */ + + if (_cogl_pipeline_change_implies_transparency (pipeline, changes, + override_color, + unknown_color_alpha)) + return TRUE; + + /* At this point, considering just the state that has changed it + * looks like blending isn't needed. If blending was previously + * enabled though it could be that some other state still requires + * that we have blending enabled because it implies transparency. + * In this case we still need to go and check the other state... + * + * XXX: We could explicitly keep track of the mask of state groups + * that are currently causing blending to be enabled so that we + * never have to resort to checking *all* the state and can instead + * always limit the check to those in the mask. + */ + if (pipeline->real_blend_enable) + { + unsigned int other_state = + COGL_PIPELINE_STATE_AFFECTS_BLENDING & ~changes; + if (other_state && + _cogl_pipeline_change_implies_transparency (pipeline, other_state, NULL, FALSE)) + return TRUE; + } + + return FALSE; +} + +void +_cogl_pipeline_set_progend (CoglPipeline *pipeline, int progend) +{ + pipeline->progend = progend; +} + +static void +_cogl_pipeline_copy_differences (CoglPipeline *dest, + CoglPipeline *src, + unsigned long differences) +{ + CoglPipelineBigState *big_state; + + if (differences & COGL_PIPELINE_STATE_COLOR) + dest->color = src->color; + + if (differences & COGL_PIPELINE_STATE_BLEND_ENABLE) + dest->blend_enable = src->blend_enable; + + if (differences & COGL_PIPELINE_STATE_LAYERS) + { + GList *l; + + if (dest->differences & COGL_PIPELINE_STATE_LAYERS && + dest->layer_differences) + { + g_list_foreach (dest->layer_differences, + (GFunc)cogl_object_unref, + NULL); + g_list_free (dest->layer_differences); + } + + for (l = src->layer_differences; l; l = l->next) + { + /* NB: a layer can't have more than one ->owner so we can't + * simply take a references on each of the original + * layer_differences, we have to derive new layers from the + * originals instead. */ + CoglPipelineLayer *copy = _cogl_pipeline_layer_copy (l->data); + _cogl_pipeline_add_layer_difference (dest, copy, FALSE); + cogl_object_unref (copy); + } + + /* Note: we initialize n_layers after adding the layer differences + * since the act of adding the layers will initialize n_layers to 0 + * because dest isn't initially a STATE_LAYERS authority. */ + dest->n_layers = src->n_layers; + } + + if (differences & COGL_PIPELINE_STATE_NEEDS_BIG_STATE) + { + if (!dest->has_big_state) + { + dest->big_state = g_slice_new (CoglPipelineBigState); + dest->has_big_state = TRUE; + } + big_state = dest->big_state; + } + else + goto check_for_blending_change; + + if (differences & COGL_PIPELINE_STATE_LIGHTING) + { + memcpy (&big_state->lighting_state, + &src->big_state->lighting_state, + sizeof (CoglPipelineLightingState)); + } + + if (differences & COGL_PIPELINE_STATE_ALPHA_FUNC) + big_state->alpha_state.alpha_func = + src->big_state->alpha_state.alpha_func; + + if (differences & COGL_PIPELINE_STATE_ALPHA_FUNC_REFERENCE) + big_state->alpha_state.alpha_func_reference = + src->big_state->alpha_state.alpha_func_reference; + + if (differences & COGL_PIPELINE_STATE_BLEND) + { + memcpy (&big_state->blend_state, + &src->big_state->blend_state, + sizeof (CoglPipelineBlendState)); + } + + if (differences & COGL_PIPELINE_STATE_USER_SHADER) + { + if (src->big_state->user_program) + big_state->user_program = + cogl_handle_ref (src->big_state->user_program); + else + big_state->user_program = COGL_INVALID_HANDLE; + } + + if (differences & COGL_PIPELINE_STATE_DEPTH) + { + memcpy (&big_state->depth_state, + &src->big_state->depth_state, + sizeof (CoglDepthState)); + } + + if (differences & COGL_PIPELINE_STATE_FOG) + { + memcpy (&big_state->fog_state, + &src->big_state->fog_state, + sizeof (CoglPipelineFogState)); + } + + if (differences & COGL_PIPELINE_STATE_NON_ZERO_POINT_SIZE) + big_state->non_zero_point_size = src->big_state->non_zero_point_size; + + if (differences & COGL_PIPELINE_STATE_POINT_SIZE) + big_state->point_size = src->big_state->point_size; + + if (differences & COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE) + big_state->per_vertex_point_size = src->big_state->per_vertex_point_size; + + if (differences & COGL_PIPELINE_STATE_LOGIC_OPS) + { + memcpy (&big_state->logic_ops_state, + &src->big_state->logic_ops_state, + sizeof (CoglPipelineLogicOpsState)); + } + + if (differences & COGL_PIPELINE_STATE_CULL_FACE) + { + memcpy (&big_state->cull_face_state, + &src->big_state->cull_face_state, + sizeof (CoglPipelineCullFaceState)); + } + + if (differences & COGL_PIPELINE_STATE_UNIFORMS) + { + int n_overrides = + _cogl_bitmask_popcount (&src->big_state->uniforms_state.override_mask); + int i; + + big_state->uniforms_state.override_values = + g_malloc (n_overrides * sizeof (CoglBoxedValue)); + + for (i = 0; i < n_overrides; i++) + { + CoglBoxedValue *dst_bv = + big_state->uniforms_state.override_values + i; + const CoglBoxedValue *src_bv = + src->big_state->uniforms_state.override_values + i; + + _cogl_boxed_value_copy (dst_bv, src_bv); + } + + _cogl_bitmask_init (&big_state->uniforms_state.override_mask); + _cogl_bitmask_set_bits (&big_state->uniforms_state.override_mask, + &src->big_state->uniforms_state.override_mask); + + _cogl_bitmask_init (&big_state->uniforms_state.changed_mask); + } + + if (differences & COGL_PIPELINE_STATE_VERTEX_SNIPPETS) + _cogl_pipeline_snippet_list_copy (&big_state->vertex_snippets, + &src->big_state->vertex_snippets); + + if (differences & COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS) + _cogl_pipeline_snippet_list_copy (&big_state->fragment_snippets, + &src->big_state->fragment_snippets); + + /* XXX: we shouldn't bother doing this in most cases since + * _copy_differences is typically used to initialize pipeline state + * by copying it from the current authority, so it's not actually + * *changing* anything. + */ +check_for_blending_change: + if (differences & COGL_PIPELINE_STATE_AFFECTS_BLENDING) + dest->dirty_real_blend_enable = TRUE; + + dest->differences |= differences; +} + +static void +_cogl_pipeline_init_multi_property_sparse_state (CoglPipeline *pipeline, + CoglPipelineState change) +{ + CoglPipeline *authority; + + _COGL_RETURN_IF_FAIL (change & COGL_PIPELINE_STATE_ALL_SPARSE); + + if (!(change & COGL_PIPELINE_STATE_MULTI_PROPERTY)) + return; + + authority = _cogl_pipeline_get_authority (pipeline, change); + + switch (change) + { + /* XXX: avoid using a default: label so we get a warning if we + * don't explicitly handle a newly defined state-group here. */ + case COGL_PIPELINE_STATE_COLOR: + case COGL_PIPELINE_STATE_BLEND_ENABLE: + case COGL_PIPELINE_STATE_ALPHA_FUNC: + case COGL_PIPELINE_STATE_ALPHA_FUNC_REFERENCE: + case COGL_PIPELINE_STATE_NON_ZERO_POINT_SIZE: + case COGL_PIPELINE_STATE_POINT_SIZE: + case COGL_PIPELINE_STATE_USER_SHADER: + case COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE: + case COGL_PIPELINE_STATE_REAL_BLEND_ENABLE: + g_return_if_reached (); + + case COGL_PIPELINE_STATE_LAYERS: + pipeline->n_layers = authority->n_layers; + pipeline->layer_differences = NULL; + break; + case COGL_PIPELINE_STATE_LIGHTING: + { + memcpy (&pipeline->big_state->lighting_state, + &authority->big_state->lighting_state, + sizeof (CoglPipelineLightingState)); + break; + } + case COGL_PIPELINE_STATE_BLEND: + { + memcpy (&pipeline->big_state->blend_state, + &authority->big_state->blend_state, + sizeof (CoglPipelineBlendState)); + break; + } + case COGL_PIPELINE_STATE_DEPTH: + { + memcpy (&pipeline->big_state->depth_state, + &authority->big_state->depth_state, + sizeof (CoglDepthState)); + break; + } + case COGL_PIPELINE_STATE_FOG: + { + memcpy (&pipeline->big_state->fog_state, + &authority->big_state->fog_state, + sizeof (CoglPipelineFogState)); + break; + } + case COGL_PIPELINE_STATE_LOGIC_OPS: + { + memcpy (&pipeline->big_state->logic_ops_state, + &authority->big_state->logic_ops_state, + sizeof (CoglPipelineLogicOpsState)); + break; + } + case COGL_PIPELINE_STATE_CULL_FACE: + { + memcpy (&pipeline->big_state->cull_face_state, + &authority->big_state->cull_face_state, + sizeof (CoglPipelineCullFaceState)); + break; + } + case COGL_PIPELINE_STATE_UNIFORMS: + { + CoglPipelineUniformsState *uniforms_state = + &pipeline->big_state->uniforms_state; + _cogl_bitmask_init (&uniforms_state->override_mask); + _cogl_bitmask_init (&uniforms_state->changed_mask); + uniforms_state->override_values = NULL; + break; + } + case COGL_PIPELINE_STATE_VERTEX_SNIPPETS: + _cogl_pipeline_snippet_list_copy (&pipeline->big_state->vertex_snippets, + &authority->big_state->vertex_snippets); + break; + + case COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS: + _cogl_pipeline_snippet_list_copy (&pipeline->big_state->fragment_snippets, + &authority->big_state-> + fragment_snippets); + break; + } +} + +static CoglBool +check_if_strong_cb (CoglNode *node, void *user_data) +{ + CoglPipeline *pipeline = COGL_PIPELINE (node); + CoglBool *has_strong_child = user_data; + + if (!_cogl_pipeline_is_weak (pipeline)) + { + *has_strong_child = TRUE; + return FALSE; + } + + return TRUE; +} + +static CoglBool +has_strong_children (CoglPipeline *pipeline) +{ + CoglBool has_strong_child = FALSE; + _cogl_pipeline_node_foreach_child (COGL_NODE (pipeline), + check_if_strong_cb, + &has_strong_child); + return has_strong_child; +} + +static CoglBool +_cogl_pipeline_is_weak (CoglPipeline *pipeline) +{ + if (pipeline->is_weak && !has_strong_children (pipeline)) + return TRUE; + else + return FALSE; +} + +static CoglBool +reparent_children_cb (CoglNode *node, + void *user_data) +{ + CoglPipeline *pipeline = COGL_PIPELINE (node); + CoglPipeline *parent = user_data; + + _cogl_pipeline_set_parent (pipeline, parent, TRUE); + + return TRUE; +} + +void +_cogl_pipeline_pre_change_notify (CoglPipeline *pipeline, + CoglPipelineState change, + const CoglColor *new_color, + CoglBool from_layer_change) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* If primitives have been logged in the journal referencing the + * current state of this pipeline we need to flush the journal + * before we can modify it... */ + if (pipeline->journal_ref_count) + { + CoglBool skip_journal_flush = FALSE; + + /* XXX: We don't usually need to flush the journal just due to + * color changes since pipeline colors are logged in the + * journal's vertex buffer. The exception is when the change in + * color enables or disables the need for blending. */ + if (change == COGL_PIPELINE_STATE_COLOR) + { + CoglBool will_need_blending = + _cogl_pipeline_needs_blending_enabled (pipeline, + change, + new_color, + FALSE); + CoglBool blend_enable = pipeline->real_blend_enable ? TRUE : FALSE; + + if (will_need_blending == blend_enable) + skip_journal_flush = TRUE; + } + + if (!skip_journal_flush) + { + /* XXX: note we use cogl_flush() not _cogl_flush_journal() so + * we will flush *all* known journals that might reference the + * current pipeline. */ + cogl_flush (); + } + } + + /* XXX: + * To simplify things for the vertex, fragment and program backends + * we are careful about how we report STATE_LAYERS changes. + * + * All STATE_LAYERS change notifications with the exception of + * ->n_layers will also result in layer_pre_change_notifications. + * + * For backends that perform code generation for fragment processing + * they typically need to understand the details of how layers get + * changed to determine if they need to repeat codegen. It doesn't + * help them to report a pipeline STATE_LAYERS change for all layer + * changes since it's so broad, they really need to wait for the + * specific layer change to be notified. What does help though is + * to report a STATE_LAYERS change for a change in ->n_layers + * because they typically do need to repeat codegen in that case. + * + * Here we ensure that change notifications against a pipeline or + * against a layer are mutually exclusive as far as fragment, vertex + * and program backends are concerned. + * + * NB: A pipeline can potentially have private state from multiple + * backends associated with it because descendants may cache state + * with an ancestor to maximize the chance that it can later be + * re-used by other descendants and a descendent can require a + * different backend to an ancestor. + */ + if (!from_layer_change) + { + int i; + + for (i = 0; i < COGL_PIPELINE_N_PROGENDS; i++) + { + const CoglPipelineProgend *progend = _cogl_pipeline_progends[i]; + const CoglPipelineVertend *vertend = + _cogl_pipeline_vertends[progend->vertend]; + const CoglPipelineFragend *fragend = + _cogl_pipeline_fragends[progend->fragend]; + + if (vertend->pipeline_pre_change_notify) + vertend->pipeline_pre_change_notify (pipeline, change, new_color); + + /* TODO: make the vertend and fragend implementation details + * of the progend */ + + if (fragend->pipeline_pre_change_notify) + fragend->pipeline_pre_change_notify (pipeline, change, new_color); + + if (progend->pipeline_pre_change_notify) + progend->pipeline_pre_change_notify (pipeline, change, new_color); + } + } + + /* There may be an arbitrary tree of descendants of this pipeline; + * any of which may indirectly depend on this pipeline as the + * authority for some set of properties. (Meaning for example that + * one of its descendants derives its color or blending state from + * this pipeline.) + * + * We can't modify any property that this pipeline is the authority + * for unless we create another pipeline to take its place first and + * make sure descendants reference this new pipeline instead. + */ + + /* The simplest descendants to handle are weak pipelines; we simply + * destroy them if we are modifying a pipeline they depend on. This + * means weak pipelines never cause us to do a copy-on-write. */ + _cogl_pipeline_node_foreach_child (COGL_NODE (pipeline), + destroy_weak_children_cb, + NULL); + + /* If there are still children remaining though we'll need to + * perform a copy-on-write and reparent the dependants as children + * of the copy. */ + if (!_cogl_list_empty (&COGL_NODE (pipeline)->children)) + { + CoglPipeline *new_authority; + + COGL_STATIC_COUNTER (pipeline_copy_on_write_counter, + "pipeline copy on write counter", + "Increments each time a pipeline " + "must be copied to allow modification", + 0 /* no application private data */); + + COGL_COUNTER_INC (_cogl_uprof_context, pipeline_copy_on_write_counter); + + new_authority = + cogl_pipeline_copy (_cogl_pipeline_get_parent (pipeline)); +#ifdef COGL_DEBUG_ENABLED + _cogl_pipeline_set_static_breadcrumb (new_authority, + "pre_change_notify:copy-on-write"); +#endif + + /* We could explicitly walk the descendants, OR together the set + * of differences that we determine this pipeline is the + * authority on and only copy those differences copied across. + * + * Or, if we don't explicitly walk the descendants we at least + * know that pipeline->differences represents the largest set of + * differences that this pipeline could possibly be an authority + * on. + * + * We do the later just because it's simplest, but we might need + * to come back to this later... + */ + _cogl_pipeline_copy_differences (new_authority, pipeline, + pipeline->differences); + + /* Reparent the dependants of pipeline to be children of + * new_authority instead... */ + _cogl_pipeline_node_foreach_child (COGL_NODE (pipeline), + reparent_children_cb, + new_authority); + + /* The children will keep the new authority alive so drop the + * reference we got when copying... */ + cogl_object_unref (new_authority); + } + + /* At this point we know we have a pipeline with no strong + * dependants (though we may have some weak children) so we are now + * free to modify the pipeline. */ + + pipeline->age++; + + if (change & COGL_PIPELINE_STATE_NEEDS_BIG_STATE && + !pipeline->has_big_state) + { + pipeline->big_state = g_slice_new (CoglPipelineBigState); + pipeline->has_big_state = TRUE; + } + + /* Note: conceptually we have just been notified that a single + * property value is about to change, but since some state-groups + * contain multiple properties and 'pipeline' is about to take over + * being the authority for the property's corresponding state-group + * we need to maintain the integrity of the other property values + * too. + * + * To ensure this we handle multi-property state-groups by copying + * all the values from the old-authority to the new... + * + * We don't have to worry about non-sparse property groups since + * we never take over being an authority for such properties so + * they automatically maintain integrity. + */ + if (change & COGL_PIPELINE_STATE_ALL_SPARSE && + !(pipeline->differences & change)) + { + _cogl_pipeline_init_multi_property_sparse_state (pipeline, change); + pipeline->differences |= change; + } + + /* Each pipeline has a sorted cache of the layers it depends on + * which will need updating via _cogl_pipeline_update_layers_cache + * if a pipeline's layers are changed. */ + if (change == COGL_PIPELINE_STATE_LAYERS) + recursively_free_layer_caches (pipeline); + + /* If the pipeline being changed is the same as the last pipeline we + * flushed then we keep a track of the changes so we can try to + * minimize redundant OpenGL calls if the same pipeline is flushed + * again. + */ + if (ctx->current_pipeline == pipeline) + ctx->current_pipeline_changes_since_flush |= change; +} + + +void +_cogl_pipeline_add_layer_difference (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + CoglBool inc_n_layers) +{ + _COGL_RETURN_IF_FAIL (layer->owner == NULL); + + layer->owner = pipeline; + cogl_object_ref (layer); + + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + /* Note: the last argument to _cogl_pipeline_pre_change_notify is + * needed to differentiate STATE_LAYER changes which don't affect + * the number of layers from those that do. NB: Layer change + * notifications that don't change the number of layers don't get + * forwarded to the fragend. */ + _cogl_pipeline_pre_change_notify (pipeline, + COGL_PIPELINE_STATE_LAYERS, + NULL, + !inc_n_layers); + + pipeline->differences |= COGL_PIPELINE_STATE_LAYERS; + + pipeline->layer_differences = + g_list_prepend (pipeline->layer_differences, layer); + + if (inc_n_layers) + pipeline->n_layers++; + + /* Adding a layer difference may mean this pipeline now overrides + * all of the layers of its parent which might make the parent + * redundant so we should try to prune the hierarchy */ + _cogl_pipeline_prune_redundant_ancestry (pipeline); +} + +void +_cogl_pipeline_remove_layer_difference (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + CoglBool dec_n_layers) +{ + /* - Flush journal primitives referencing the current state. + * - Make sure the pipeline has no dependants so it may be modified. + * - If the pipeline isn't currently an authority for the state being + * changed, then initialize that state from the current authority. + */ + /* Note: the last argument to _cogl_pipeline_pre_change_notify is + * needed to differentiate STATE_LAYER changes which don't affect + * the number of layers from those that do. NB: Layer change + * notifications that don't change the number of layers don't get + * forwarded to the fragend. */ + _cogl_pipeline_pre_change_notify (pipeline, + COGL_PIPELINE_STATE_LAYERS, + NULL, + !dec_n_layers); + + /* We only need to remove the layer difference if the pipeline is + * currently the owner. If it is not the owner then one of two + * things will happen to make sure this layer is replaced. If it is + * the last layer being removed then decrementing n_layers will + * ensure that the last layer is skipped. If it is any other layer + * then the subsequent layers will have been shifted down and cause + * it be replaced */ + if (layer->owner == pipeline) + { + layer->owner = NULL; + cogl_object_unref (layer); + + pipeline->layer_differences = + g_list_remove (pipeline->layer_differences, layer); + } + + pipeline->differences |= COGL_PIPELINE_STATE_LAYERS; + + if (dec_n_layers) + pipeline->n_layers--; +} + +static void +_cogl_pipeline_try_reverting_layers_authority (CoglPipeline *authority, + CoglPipeline *old_authority) +{ + if (authority->layer_differences == NULL && + _cogl_pipeline_get_parent (authority)) + { + /* If the previous _STATE_LAYERS authority has the same + * ->n_layers then we can revert to that being the authority + * again. */ + if (!old_authority) + { + old_authority = + _cogl_pipeline_get_authority (_cogl_pipeline_get_parent (authority), + COGL_PIPELINE_STATE_LAYERS); + } + + if (old_authority->n_layers == authority->n_layers) + authority->differences &= ~COGL_PIPELINE_STATE_LAYERS; + } +} + +void +_cogl_pipeline_update_real_blend_enable (CoglPipeline *pipeline, + CoglBool unknown_color_alpha) +{ + CoglPipeline *parent; + unsigned int differences; + + if (pipeline->dirty_real_blend_enable == FALSE && + pipeline->unknown_color_alpha == unknown_color_alpha) + return; + + if (pipeline->dirty_real_blend_enable) + { + differences = pipeline->differences; + + parent = _cogl_pipeline_get_parent (pipeline); + while (parent->dirty_real_blend_enable) + { + differences |= parent->differences; + parent = _cogl_pipeline_get_parent (parent); + } + + /* We initialize the pipeline's real_blend_enable with a known + * reference value from its nearest ancestor with clean state so + * we can then potentially reduce the work involved in checking + * if the pipeline really needs blending itself because we can + * just look at the things that differ between the ancestor and + * this pipeline. + */ + pipeline->real_blend_enable = parent->real_blend_enable; + } + else /* pipeline->unknown_color_alpha != unknown_color_alpha */ + differences = 0; + + /* Note we don't call _cogl_pipeline_pre_change_notify() for this + * state change because ->real_blend_enable is lazily derived from + * other state while flushing the pipeline and we'd need to avoid + * recursion problems in cases where _pre_change_notify() flushes + * the journal if the pipeline is referenced by a journal. + */ + pipeline->real_blend_enable = + _cogl_pipeline_needs_blending_enabled (pipeline, differences, + NULL, unknown_color_alpha); + pipeline->dirty_real_blend_enable = FALSE; + pipeline->unknown_color_alpha = unknown_color_alpha; +} + +typedef struct +{ + int keep_n; + int current_pos; + int first_index_to_prune; +} CoglPipelinePruneLayersInfo; + +static CoglBool +update_prune_layers_info_cb (CoglPipelineLayer *layer, void *user_data) +{ + CoglPipelinePruneLayersInfo *state = user_data; + + if (state->current_pos == state->keep_n) + { + state->first_index_to_prune = layer->index; + return FALSE; + } + state->current_pos++; + return TRUE; +} + +void +_cogl_pipeline_prune_to_n_layers (CoglPipeline *pipeline, int n) +{ + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LAYERS); + CoglPipelinePruneLayersInfo state; + GList *l; + GList *next; + + if (authority->n_layers <= n) + return; + + /* This call to foreach_layer_internal needs to be done before + * calling pre_change_notify because it recreates the layer cache. + * We are relying on pre_change_notify to clear the layer cache + * before we change the number of layers */ + state.keep_n = n; + state.current_pos = 0; + _cogl_pipeline_foreach_layer_internal (pipeline, + update_prune_layers_info_cb, + &state); + + _cogl_pipeline_pre_change_notify (pipeline, + COGL_PIPELINE_STATE_LAYERS, + NULL, + FALSE); + + pipeline->differences |= COGL_PIPELINE_STATE_LAYERS; + pipeline->n_layers = n; + + /* It's possible that this pipeline owns some of the layers being + * discarded, so we'll need to unlink them... */ + for (l = pipeline->layer_differences; l; l = next) + { + CoglPipelineLayer *layer = l->data; + next = l->next; /* we're modifying the list we're iterating */ + + if (layer->index >= state.first_index_to_prune) + _cogl_pipeline_remove_layer_difference (pipeline, layer, FALSE); + } + + pipeline->differences |= COGL_PIPELINE_STATE_LAYERS; +} + +typedef struct +{ + /* The layer we are trying to find */ + int layer_index; + + /* The layer we find or untouched if not found */ + CoglPipelineLayer *layer; + + /* If the layer can't be found then a new layer should be + * inserted after this texture unit index... */ + int insert_after; + + /* When adding a layer we need the list of layers to shift up + * to a new texture unit. When removing we need the list of + * layers to shift down. + * + * Note: the list isn't sorted */ + CoglPipelineLayer **layers_to_shift; + int n_layers_to_shift; + + /* When adding a layer we don't need a complete list of + * layers_to_shift if we find a layer already corresponding to the + * layer_index. */ + CoglBool ignore_shift_layers_if_found; + +} CoglPipelineLayerInfo; + +/* Returns TRUE once we know there is nothing more to update */ +static CoglBool +update_layer_info (CoglPipelineLayer *layer, + CoglPipelineLayerInfo *layer_info) +{ + if (layer->index == layer_info->layer_index) + { + layer_info->layer = layer; + if (layer_info->ignore_shift_layers_if_found) + return TRUE; + } + else if (layer->index < layer_info->layer_index) + { + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + layer_info->insert_after = unit_index; + } + else + layer_info->layers_to_shift[layer_info->n_layers_to_shift++] = + layer; + + return FALSE; +} + +/* Returns FALSE to break out of a _foreach_layer () iteration */ +static CoglBool +update_layer_info_cb (CoglPipelineLayer *layer, + void *user_data) +{ + CoglPipelineLayerInfo *layer_info = user_data; + + if (update_layer_info (layer, layer_info)) + return FALSE; /* break */ + else + return TRUE; /* continue */ +} + +static void +_cogl_pipeline_get_layer_info (CoglPipeline *pipeline, + CoglPipelineLayerInfo *layer_info) +{ + /* Note: we are assuming this pipeline is a _STATE_LAYERS authority */ + int n_layers = pipeline->n_layers; + int i; + + /* FIXME: _cogl_pipeline_foreach_layer_internal now calls + * _cogl_pipeline_update_layers_cache anyway so this codepath is + * pointless! */ + if (layer_info->ignore_shift_layers_if_found && + pipeline->layers_cache_dirty) + { + /* The expectation is that callers of + * _cogl_pipeline_get_layer_info are likely to be modifying the + * list of layers associated with a pipeline so in this case + * where we don't have a cache of the layers and we don't + * necessarily have to iterate all the layers of the pipeline we + * use a foreach_layer callback instead of updating the cache + * and iterating that as below. */ + _cogl_pipeline_foreach_layer_internal (pipeline, + update_layer_info_cb, + layer_info); + return; + } + + _cogl_pipeline_update_layers_cache (pipeline); + for (i = 0; i < n_layers; i++) + { + CoglPipelineLayer *layer = pipeline->layers_cache[i]; + + if (update_layer_info (layer, layer_info)) + return; + } +} + +CoglPipelineLayer * +_cogl_pipeline_get_layer_with_flags (CoglPipeline *pipeline, + int layer_index, + CoglPipelineGetLayerFlags flags) +{ + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LAYERS); + CoglPipelineLayerInfo layer_info; + CoglPipelineLayer *layer; + int unit_index; + int i; + CoglContext *ctx; + + /* The layer index of the layer we want info about */ + layer_info.layer_index = layer_index; + + /* If a layer already exists with the given index this will be + * updated. */ + layer_info.layer = NULL; + + /* If a layer isn't found for the given index we'll need to know + * where to insert a new layer. */ + layer_info.insert_after = -1; + + /* If a layer can't be found then we'll need to insert a new layer + * and bump up the texture unit for all layers with an index + * > layer_index. */ + layer_info.layers_to_shift = + g_alloca (sizeof (CoglPipelineLayer *) * authority->n_layers); + layer_info.n_layers_to_shift = 0; + + /* If an exact match is found though we don't need a complete + * list of layers with indices > layer_index... */ + layer_info.ignore_shift_layers_if_found = TRUE; + + _cogl_pipeline_get_layer_info (authority, &layer_info); + + if (layer_info.layer || (flags & COGL_PIPELINE_GET_LAYER_NO_CREATE)) + return layer_info.layer; + + ctx = _cogl_context_get_default (); + + unit_index = layer_info.insert_after + 1; + if (unit_index == 0) + layer = _cogl_pipeline_layer_copy (ctx->default_layer_0); + else + { + CoglPipelineLayer *new; + layer = _cogl_pipeline_layer_copy (ctx->default_layer_n); + new = _cogl_pipeline_set_layer_unit (NULL, layer, unit_index); + /* Since we passed a newly allocated layer we wouldn't expect + * _set_layer_unit() to have to allocate *another* layer. */ + g_assert (new == layer); + } + layer->index = layer_index; + + for (i = 0; i < layer_info.n_layers_to_shift; i++) + { + CoglPipelineLayer *shift_layer = layer_info.layers_to_shift[i]; + + unit_index = _cogl_pipeline_layer_get_unit_index (shift_layer); + _cogl_pipeline_set_layer_unit (pipeline, shift_layer, unit_index + 1); + /* NB: shift_layer may not be writeable so _set_layer_unit() + * will allocate a derived layer internally which will become + * owned by pipeline. Check the return value if we need to do + * anything else with this layer. */ + } + + _cogl_pipeline_add_layer_difference (pipeline, layer, TRUE); + + cogl_object_unref (layer); + + return layer; +} + +void +_cogl_pipeline_prune_empty_layer_difference (CoglPipeline *layers_authority, + CoglPipelineLayer *layer) +{ + /* Find the GList link that references the empty layer */ + GList *link = g_list_find (layers_authority->layer_differences, layer); + /* No pipeline directly owns the root node layer so this is safe... */ + CoglPipelineLayer *layer_parent = _cogl_pipeline_layer_get_parent (layer); + CoglPipelineLayerInfo layer_info; + CoglPipeline *old_layers_authority; + + _COGL_RETURN_IF_FAIL (link != NULL); + + /* If the layer's parent doesn't have an owner then we can simply + * take ownership ourselves and drop our reference on the empty + * layer. We don't want to take ownership of the root node layer so + * we also need to verify that the parent has a parent + */ + if (layer_parent->index == layer->index && layer_parent->owner == NULL && + _cogl_pipeline_layer_get_parent (layer_parent) != NULL) + { + cogl_object_ref (layer_parent); + layer_parent->owner = layers_authority; + link->data = layer_parent; + cogl_object_unref (layer); + recursively_free_layer_caches (layers_authority); + return; + } + + /* Now we want to find the layer that would become the authority for + * layer->index if we were to remove layer from + * layers_authority->layer_differences + */ + + /* The layer index of the layer we want info about */ + layer_info.layer_index = layer->index; + + /* If a layer already exists with the given index this will be + * updated. */ + layer_info.layer = NULL; + + /* If a layer can't be found then we'll need to insert a new layer + * and bump up the texture unit for all layers with an index + * > layer_index. */ + layer_info.layers_to_shift = + g_alloca (sizeof (CoglPipelineLayer *) * layers_authority->n_layers); + layer_info.n_layers_to_shift = 0; + + /* If an exact match is found though we don't need a complete + * list of layers with indices > layer_index... */ + layer_info.ignore_shift_layers_if_found = TRUE; + + /* We know the default/root pipeline isn't a LAYERS authority so it's + * safe to use the result of _cogl_pipeline_get_parent (layers_authority) + * without checking it. + */ + old_layers_authority = + _cogl_pipeline_get_authority (_cogl_pipeline_get_parent (layers_authority), + COGL_PIPELINE_STATE_LAYERS); + + _cogl_pipeline_get_layer_info (old_layers_authority, &layer_info); + + /* If layer is the defining layer for the corresponding ->index then + * we can't get rid of it. */ + if (!layer_info.layer) + return; + + /* If the layer that would become the authority for layer->index is + * _cogl_pipeline_layer_get_parent (layer) then we can simply remove the + * layer difference. */ + if (layer_info.layer == _cogl_pipeline_layer_get_parent (layer)) + { + _cogl_pipeline_remove_layer_difference (layers_authority, layer, FALSE); + _cogl_pipeline_try_reverting_layers_authority (layers_authority, + old_layers_authority); + } +} + +typedef struct +{ + int i; + CoglPipeline *pipeline; + unsigned long fallback_layers; +} CoglPipelineFallbackState; + +static CoglBool +fallback_layer_cb (CoglPipelineLayer *layer, void *user_data) +{ + CoglPipelineFallbackState *state = user_data; + CoglPipeline *pipeline = state->pipeline; + CoglTextureType texture_type = _cogl_pipeline_layer_get_texture_type (layer); + CoglTexture *texture = NULL; + COGL_STATIC_COUNTER (layer_fallback_counter, + "layer fallback counter", + "Increments each time a layer's texture is " + "forced to a fallback texture", + 0 /* no application private data */); + + _COGL_GET_CONTEXT (ctx, FALSE); + + if (!(state->fallback_layers & 1<i)) + return TRUE; + + COGL_COUNTER_INC (_cogl_uprof_context, layer_fallback_counter); + + switch (texture_type) + { + case COGL_TEXTURE_TYPE_2D: + texture = COGL_TEXTURE (ctx->default_gl_texture_2d_tex); + break; + + case COGL_TEXTURE_TYPE_3D: + texture = COGL_TEXTURE (ctx->default_gl_texture_3d_tex); + break; + + case COGL_TEXTURE_TYPE_RECTANGLE: + texture = COGL_TEXTURE (ctx->default_gl_texture_rect_tex); + break; + } + + if (texture == NULL) + { + g_warning ("We don't have a fallback texture we can use to fill " + "in for an invalid pipeline layer, since it was " + "using an unsupported texture target "); + /* might get away with this... */ + texture = COGL_TEXTURE (ctx->default_gl_texture_2d_tex); + } + + cogl_pipeline_set_layer_texture (pipeline, layer->index, texture); + + state->i++; + + return TRUE; +} + +typedef struct +{ + CoglPipeline *pipeline; + CoglTexture *texture; +} CoglPipelineOverrideLayerState; + +static CoglBool +override_layer_texture_cb (CoglPipelineLayer *layer, void *user_data) +{ + CoglPipelineOverrideLayerState *state = user_data; + + cogl_pipeline_set_layer_texture (state->pipeline, + layer->index, + state->texture); + + return TRUE; +} + +void +_cogl_pipeline_apply_overrides (CoglPipeline *pipeline, + CoglPipelineFlushOptions *options) +{ + COGL_STATIC_COUNTER (apply_overrides_counter, + "pipeline overrides counter", + "Increments each time we have to apply " + "override options to a pipeline", + 0 /* no application private data */); + + COGL_COUNTER_INC (_cogl_uprof_context, apply_overrides_counter); + + if (options->flags & COGL_PIPELINE_FLUSH_DISABLE_MASK) + { + int i; + + /* NB: we can assume that once we see one bit to disable + * a layer, all subsequent layers are also disabled. */ + for (i = 0; i < 32 && options->disable_layers & (1<flags & COGL_PIPELINE_FLUSH_FALLBACK_MASK) + { + CoglPipelineFallbackState state; + + state.i = 0; + state.pipeline = pipeline; + state.fallback_layers = options->fallback_layers; + + _cogl_pipeline_foreach_layer_internal (pipeline, + fallback_layer_cb, + &state); + } + + if (options->flags & COGL_PIPELINE_FLUSH_LAYER0_OVERRIDE) + { + CoglPipelineOverrideLayerState state; + + _cogl_pipeline_prune_to_n_layers (pipeline, 1); + + /* NB: we are overriding the first layer, but we don't know + * the user's given layer_index, which is why we use + * _cogl_pipeline_foreach_layer_internal() here even though we know + * there's only one layer. */ + state.pipeline = pipeline; + state.texture = options->layer0_override_texture; + _cogl_pipeline_foreach_layer_internal (pipeline, + override_layer_texture_cb, + &state); + } +} + +static CoglBool +_cogl_pipeline_layers_equal (CoglPipeline *authority0, + CoglPipeline *authority1, + unsigned long differences, + CoglPipelineEvalFlags flags) +{ + int i; + + if (authority0->n_layers != authority1->n_layers) + return FALSE; + + _cogl_pipeline_update_layers_cache (authority0); + _cogl_pipeline_update_layers_cache (authority1); + + for (i = 0; i < authority0->n_layers; i++) + { + if (!_cogl_pipeline_layer_equal (authority0->layers_cache[i], + authority1->layers_cache[i], + differences, + flags)) + return FALSE; + } + return TRUE; +} + +/* Determine the mask of differences between two pipelines */ +unsigned long +_cogl_pipeline_compare_differences (CoglPipeline *pipeline0, + CoglPipeline *pipeline1) +{ + GSList *head0 = NULL; + GSList *head1 = NULL; + CoglPipeline *node0; + CoglPipeline *node1; + int len0 = 0; + int len1 = 0; + int count; + GSList *common_ancestor0; + GSList *common_ancestor1; + unsigned long pipelines_difference = 0; + + /* Algorithm: + * + * 1) Walk the ancestors of each pipeline to the root node, adding a + * pointer to each ancester node to two linked lists + * + * 2) Compare the lists to find the nodes where they start to + * differ marking the common_ancestor node for each list. + * + * 3) For each list now iterate starting after the common_ancestor + * nodes ORing each nodes ->difference mask into the final + * differences mask. + */ + + for (node0 = pipeline0; node0; node0 = _cogl_pipeline_get_parent (node0)) + { + GSList *link = alloca (sizeof (GSList)); + link->next = head0; + link->data = node0; + head0 = link; + len0++; + } + for (node1 = pipeline1; node1; node1 = _cogl_pipeline_get_parent (node1)) + { + GSList *link = alloca (sizeof (GSList)); + link->next = head1; + link->data = node1; + head1 = link; + len1++; + } + + /* NB: There's no point looking at the head entries since we know both + * pipelines must have the same default pipeline as their root node. */ + common_ancestor0 = head0; + common_ancestor1 = head1; + head0 = head0->next; + head1 = head1->next; + count = MIN (len0, len1) - 1; + while (count--) + { + if (head0->data != head1->data) + break; + common_ancestor0 = head0; + common_ancestor1 = head1; + head0 = head0->next; + head1 = head1->next; + } + + for (head0 = common_ancestor0->next; head0; head0 = head0->next) + { + node0 = head0->data; + pipelines_difference |= node0->differences; + } + for (head1 = common_ancestor1->next; head1; head1 = head1->next) + { + node1 = head1->data; + pipelines_difference |= node1->differences; + } + + return pipelines_difference; +} + +static void +_cogl_pipeline_resolve_authorities (CoglPipeline *pipeline, + unsigned long differences, + CoglPipeline **authorities) +{ + unsigned long remaining = differences; + CoglPipeline *authority = pipeline; + + do + { + unsigned long found = authority->differences & remaining; + int i; + + if (found == 0) + continue; + + for (i = 0; TRUE; i++) + { + unsigned long state = (1L< found) + break; + } + + remaining &= ~found; + if (remaining == 0) + return; + } + while ((authority = _cogl_pipeline_get_parent (authority))); + + g_assert (remaining == 0); +} + +/* Comparison of two arbitrary pipelines is done by: + * 1) walking up the parents of each pipeline until a common + * ancestor is found, and at each step ORing together the + * difference masks. + * + * 2) using the final difference mask to determine which state + * groups to compare. + * + * This is used, for example, by the Cogl journal to compare pipelines so that + * it can split up geometry that needs different OpenGL state. + * + * XXX: When comparing texture layers, _cogl_pipeline_equal will actually + * compare the underlying GL texture handle that the Cogl texture uses so that + * atlas textures and sub textures will be considered equal if they point to + * the same texture. This is useful for comparing pipelines in the journal but + * it means that _cogl_pipeline_equal doesn't strictly compare whether the + * pipelines are the same. If we needed those semantics we could perhaps add + * another function or some flags to control the behaviour. + * + * XXX: Similarly when comparing the wrap modes, + * COGL_PIPELINE_WRAP_MODE_AUTOMATIC is considered to be the same as + * COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE because once they get to the + * journal stage they act exactly the same. + */ +CoglBool +_cogl_pipeline_equal (CoglPipeline *pipeline0, + CoglPipeline *pipeline1, + unsigned int differences, + unsigned long layer_differences, + CoglPipelineEvalFlags flags) +{ + unsigned long pipelines_difference; + CoglPipeline *authorities0[COGL_PIPELINE_STATE_SPARSE_COUNT]; + CoglPipeline *authorities1[COGL_PIPELINE_STATE_SPARSE_COUNT]; + int bit; + CoglBool ret; + + COGL_STATIC_TIMER (pipeline_equal_timer, + "Mainloop", /* parent */ + "_cogl_pipeline_equal", + "The time spent comparing cogl pipelines", + 0 /* no application private data */); + + COGL_TIMER_START (_cogl_uprof_context, pipeline_equal_timer); + + if (pipeline0 == pipeline1) + { + ret = TRUE; + goto done; + } + + ret = FALSE; + + _cogl_pipeline_update_real_blend_enable (pipeline0, FALSE); + _cogl_pipeline_update_real_blend_enable (pipeline1, FALSE); + + /* First check non-sparse properties */ + + if (differences & COGL_PIPELINE_STATE_REAL_BLEND_ENABLE && + pipeline0->real_blend_enable != pipeline1->real_blend_enable) + goto done; + + /* Then check sparse properties */ + + pipelines_difference = + _cogl_pipeline_compare_differences (pipeline0, pipeline1); + + /* Only compare the sparse state groups requested by the caller... */ + pipelines_difference &= differences; + + _cogl_pipeline_resolve_authorities (pipeline0, + pipelines_difference, + authorities0); + _cogl_pipeline_resolve_authorities (pipeline1, + pipelines_difference, + authorities1); + + COGL_FLAGS_FOREACH_START (&pipelines_difference, 1, bit) + { + /* XXX: We considered having an array of callbacks for each state index + * that we'd call here but decided that this way the compiler is more + * likely going to be able to in-line the comparison functions and use + * the index to jump straight to the required code. */ + switch ((CoglPipelineStateIndex)bit) + { + case COGL_PIPELINE_STATE_COLOR_INDEX: + if (!cogl_color_equal (&authorities0[bit]->color, + &authorities1[bit]->color)) + goto done; + break; + case COGL_PIPELINE_STATE_LIGHTING_INDEX: + if (!_cogl_pipeline_lighting_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_ALPHA_FUNC_INDEX: + if (!_cogl_pipeline_alpha_func_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_ALPHA_FUNC_REFERENCE_INDEX: + if (!_cogl_pipeline_alpha_func_reference_state_equal ( + authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_BLEND_INDEX: + /* We don't need to compare the detailed blending state if we know + * blending is disabled for both pipelines. */ + if (pipeline0->real_blend_enable) + { + if (!_cogl_pipeline_blend_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + } + break; + case COGL_PIPELINE_STATE_DEPTH_INDEX: + if (!_cogl_pipeline_depth_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_FOG_INDEX: + if (!_cogl_pipeline_fog_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_CULL_FACE_INDEX: + if (!_cogl_pipeline_cull_face_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_NON_ZERO_POINT_SIZE_INDEX: + if (!_cogl_pipeline_non_zero_point_size_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_POINT_SIZE_INDEX: + if (!_cogl_pipeline_point_size_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE_INDEX: + if (!_cogl_pipeline_per_vertex_point_size_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_LOGIC_OPS_INDEX: + if (!_cogl_pipeline_logic_ops_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_USER_SHADER_INDEX: + if (!_cogl_pipeline_user_shader_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_UNIFORMS_INDEX: + if (!_cogl_pipeline_uniforms_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_VERTEX_SNIPPETS_INDEX: + if (!_cogl_pipeline_vertex_snippets_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS_INDEX: + if (!_cogl_pipeline_fragment_snippets_state_equal (authorities0[bit], + authorities1[bit])) + goto done; + break; + case COGL_PIPELINE_STATE_LAYERS_INDEX: + { + if (!_cogl_pipeline_layers_equal (authorities0[bit], + authorities1[bit], + layer_differences, + flags)) + goto done; + break; + } + + case COGL_PIPELINE_STATE_BLEND_ENABLE_INDEX: + case COGL_PIPELINE_STATE_REAL_BLEND_ENABLE_INDEX: + case COGL_PIPELINE_STATE_COUNT: + g_warn_if_reached (); + } + } + COGL_FLAGS_FOREACH_END; + + ret = TRUE; +done: + COGL_TIMER_STOP (_cogl_uprof_context, pipeline_equal_timer); + return ret; +} + +void +_cogl_pipeline_prune_redundant_ancestry (CoglPipeline *pipeline) +{ + CoglPipeline *new_parent = _cogl_pipeline_get_parent (pipeline); + + /* Before considering pruning redundant ancestry we check if this + * pipeline is an authority for layer state and if so only consider + * reparenting if it *owns* all the layers it depends on. NB: A + * pipeline can be be a STATE_LAYERS authority but it may still + * defer to its ancestors to define the state for some of its + * layers. + * + * For example a pipeline that derives from a parent with 5 layers + * can become a STATE_LAYERS authority by simply changing it's + * ->n_layers count to 4 and in that case it can still defer to its + * ancestors to define the state of those 4 layers. + * + * If a pipeline depends on any ancestors for layer state then we + * immediatly bail out. + */ + if (pipeline->differences & COGL_PIPELINE_STATE_LAYERS) + { + if (pipeline->n_layers != g_list_length (pipeline->layer_differences)) + return; + } + + /* walk up past ancestors that are now redundant and potentially + * reparent the pipeline. */ + while (_cogl_pipeline_get_parent (new_parent) && + (new_parent->differences | pipeline->differences) == + pipeline->differences) + new_parent = _cogl_pipeline_get_parent (new_parent); + + if (new_parent != _cogl_pipeline_get_parent (pipeline)) + { + CoglBool is_weak = _cogl_pipeline_is_weak (pipeline); + _cogl_pipeline_set_parent (pipeline, new_parent, is_weak ? FALSE : TRUE); + } +} + +void +_cogl_pipeline_update_authority (CoglPipeline *pipeline, + CoglPipeline *authority, + CoglPipelineState state, + CoglPipelineStateComparitor comparitor) +{ + /* If we are the current authority see if we can revert to one of + * our ancestors being the authority */ + if (pipeline == authority && + _cogl_pipeline_get_parent (authority) != NULL) + { + CoglPipeline *parent = _cogl_pipeline_get_parent (authority); + CoglPipeline *old_authority = + _cogl_pipeline_get_authority (parent, state); + + if (comparitor (authority, old_authority)) + pipeline->differences &= ~state; + } + else if (pipeline != authority) + { + /* If we weren't previously the authority on this state then we + * need to extended our differences mask and so it's possible + * that some of our ancestry will now become redundant, so we + * aim to reparent ourselves if that's true... */ + pipeline->differences |= state; + _cogl_pipeline_prune_redundant_ancestry (pipeline); + } +} + +CoglBool +_cogl_pipeline_get_fog_enabled (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), FALSE); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_FOG); + return authority->big_state->fog_state.enabled; +} + +unsigned long +_cogl_pipeline_get_age (CoglPipeline *pipeline) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), 0); + + return pipeline->age; +} + +void +cogl_pipeline_remove_layer (CoglPipeline *pipeline, int layer_index) +{ + CoglPipeline *authority; + CoglPipelineLayerInfo layer_info; + int i; + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LAYERS); + + /* The layer index of the layer we want info about */ + layer_info.layer_index = layer_index; + + /* This will be updated with a reference to the layer being removed + * if it can be found. */ + layer_info.layer = NULL; + + /* This will be filled in with a list of layers that need to be + * dropped down to a lower texture unit to fill the gap of the + * removed layer. */ + layer_info.layers_to_shift = + g_alloca (sizeof (CoglPipelineLayer *) * authority->n_layers); + layer_info.n_layers_to_shift = 0; + + /* Unlike when we query layer info when adding a layer we must + * always have a complete layers_to_shift list... */ + layer_info.ignore_shift_layers_if_found = FALSE; + + _cogl_pipeline_get_layer_info (authority, &layer_info); + + if (layer_info.layer == NULL) + return; + + for (i = 0; i < layer_info.n_layers_to_shift; i++) + { + CoglPipelineLayer *shift_layer = layer_info.layers_to_shift[i]; + int unit_index = _cogl_pipeline_layer_get_unit_index (shift_layer); + _cogl_pipeline_set_layer_unit (pipeline, shift_layer, unit_index - 1); + /* NB: shift_layer may not be writeable so _set_layer_unit() + * will allocate a derived layer internally which will become + * owned by pipeline. Check the return value if we need to do + * anything else with this layer. */ + } + + _cogl_pipeline_remove_layer_difference (pipeline, layer_info.layer, TRUE); + _cogl_pipeline_try_reverting_layers_authority (pipeline, NULL); + + pipeline->dirty_real_blend_enable = TRUE; +} + +static CoglBool +prepend_layer_to_list_cb (CoglPipelineLayer *layer, + void *user_data) +{ + GList **layers = user_data; + + *layers = g_list_prepend (*layers, layer); + return TRUE; +} + +/* TODO: deprecate this API and replace it with + * cogl_pipeline_foreach_layer + * TODO: update the docs to note that if the user modifies any layers + * then the list may become invalid. + */ +const GList * +_cogl_pipeline_get_layers (CoglPipeline *pipeline) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), NULL); + + if (!pipeline->deprecated_get_layers_list_dirty) + g_list_free (pipeline->deprecated_get_layers_list); + + pipeline->deprecated_get_layers_list = NULL; + + _cogl_pipeline_foreach_layer_internal (pipeline, + prepend_layer_to_list_cb, + &pipeline->deprecated_get_layers_list); + pipeline->deprecated_get_layers_list = + g_list_reverse (pipeline->deprecated_get_layers_list); + + pipeline->deprecated_get_layers_list_dirty = 0; + + return pipeline->deprecated_get_layers_list; +} + +int +cogl_pipeline_get_n_layers (CoglPipeline *pipeline) +{ + CoglPipeline *authority; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_pipeline (pipeline), 0); + + authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LAYERS); + + return authority->n_layers; +} + +void +_cogl_pipeline_pre_paint_for_layer (CoglPipeline *pipeline, + int layer_id) +{ + CoglPipelineLayer *layer = _cogl_pipeline_get_layer (pipeline, layer_id); + _cogl_pipeline_layer_pre_paint (layer); +} + +/* While a pipeline is referenced by the Cogl journal we can not allow + * modifications, so this gives us a mechanism to track journal + * references separately */ +CoglPipeline * +_cogl_pipeline_journal_ref (CoglPipeline *pipeline) +{ + pipeline->journal_ref_count++; + return cogl_object_ref (pipeline); +} + +void +_cogl_pipeline_journal_unref (CoglPipeline *pipeline) +{ + pipeline->journal_ref_count--; + cogl_object_unref (pipeline); +} + +#ifdef COGL_DEBUG_ENABLED +void +_cogl_pipeline_apply_legacy_state (CoglPipeline *pipeline) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* It was a mistake that we ever copied the OpenGL style API for + * associating these things directly with the context when we + * originally wrote Cogl. Until the corresponding deprecated APIs + * can be removed though we now shoehorn the state changes through + * the cogl_pipeline API instead. + */ + + /* A program explicitly set on the pipeline has higher precedence than + * one associated with the context using cogl_program_use() */ + if (ctx->current_program && + cogl_pipeline_get_user_program (pipeline) == COGL_INVALID_HANDLE) + cogl_pipeline_set_user_program (pipeline, ctx->current_program); + + if (ctx->legacy_depth_test_enabled) + { + CoglDepthState depth_state; + cogl_depth_state_init (&depth_state); + cogl_depth_state_set_test_enabled (&depth_state, TRUE); + cogl_pipeline_set_depth_state (pipeline, &depth_state, NULL); + } + + if (ctx->legacy_fog_state.enabled) + _cogl_pipeline_set_fog_state (pipeline, &ctx->legacy_fog_state); + + if (ctx->legacy_backface_culling_enabled) + cogl_pipeline_set_cull_face_mode (pipeline, + COGL_PIPELINE_CULL_FACE_MODE_BACK); +} + +void +_cogl_pipeline_set_static_breadcrumb (CoglPipeline *pipeline, + const char *breadcrumb) +{ + pipeline->has_static_breadcrumb = TRUE; + pipeline->static_breadcrumb = breadcrumb; +} +#endif + +typedef void (*LayerStateHashFunction) (CoglPipelineLayer *authority, + CoglPipelineLayer **authorities, + CoglPipelineHashState *state); + +static LayerStateHashFunction +layer_state_hash_functions[COGL_PIPELINE_LAYER_STATE_SPARSE_COUNT]; + +/* XXX: We don't statically initialize the array of hash functions, so + * we won't get caught out by later re-indexing the groups for some + * reason. */ +void +_cogl_pipeline_init_layer_state_hash_functions (void) +{ + CoglPipelineLayerStateIndex _index; + layer_state_hash_functions[COGL_PIPELINE_LAYER_STATE_UNIT_INDEX] = + _cogl_pipeline_layer_hash_unit_state; + layer_state_hash_functions[COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE_INDEX] = + _cogl_pipeline_layer_hash_texture_type_state; + layer_state_hash_functions[COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA_INDEX] = + _cogl_pipeline_layer_hash_texture_data_state; + layer_state_hash_functions[COGL_PIPELINE_LAYER_STATE_SAMPLER_INDEX] = + _cogl_pipeline_layer_hash_sampler_state; + layer_state_hash_functions[COGL_PIPELINE_LAYER_STATE_COMBINE_INDEX] = + _cogl_pipeline_layer_hash_combine_state; + layer_state_hash_functions[COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT_INDEX] = + _cogl_pipeline_layer_hash_combine_constant_state; + layer_state_hash_functions[COGL_PIPELINE_LAYER_STATE_USER_MATRIX_INDEX] = + _cogl_pipeline_layer_hash_user_matrix_state; + _index = COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS_INDEX; + layer_state_hash_functions[_index] = + _cogl_pipeline_layer_hash_point_sprite_state; + _index = COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS_INDEX; + layer_state_hash_functions[_index] = + _cogl_pipeline_layer_hash_point_sprite_state; + _index = COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS_INDEX; + layer_state_hash_functions[_index] = + _cogl_pipeline_layer_hash_fragment_snippets_state; + + { + /* So we get a big error if we forget to update this code! */ + _COGL_STATIC_ASSERT (COGL_PIPELINE_LAYER_STATE_SPARSE_COUNT == 10, + "Don't forget to install a hash function for new " + "pipeline state and update assert at end of " + "_cogl_pipeline_init_state_hash_functions"); + } +} + +static CoglBool +_cogl_pipeline_hash_layer_cb (CoglPipelineLayer *layer, + void *user_data) +{ + CoglPipelineHashState *state = user_data; + unsigned long differences = state->layer_differences; + CoglPipelineLayer *authorities[COGL_PIPELINE_LAYER_STATE_COUNT]; + unsigned long mask; + int i; + + /* Theoretically we would hash non-sparse layer state here but + * currently layers don't have any. */ + + /* XXX: we resolve all the authorities here - not just those + * corresponding to hash_state->layer_differences - because + * the hashing of some state groups actually depends on the values + * in other groups. For example we don't hash layer combine + * constants if they are aren't referenced by the current layer + * combine function. + */ + mask = COGL_PIPELINE_LAYER_STATE_ALL_SPARSE; + _cogl_pipeline_layer_resolve_authorities (layer, + mask, + authorities); + + /* So we go right ahead and hash the sparse state... */ + for (i = 0; i < COGL_PIPELINE_LAYER_STATE_COUNT; i++) + { + unsigned long current_state = (1L< differences) + break; + } + + return TRUE; +} + +void +_cogl_pipeline_hash_layers_state (CoglPipeline *authority, + CoglPipelineHashState *state) +{ + state->hash = + _cogl_util_one_at_a_time_hash (state->hash, &authority->n_layers, + sizeof (authority->n_layers)); + _cogl_pipeline_foreach_layer_internal (authority, + _cogl_pipeline_hash_layer_cb, + state); +} + +typedef void (*StateHashFunction) (CoglPipeline *authority, CoglPipelineHashState *state); + +static StateHashFunction +state_hash_functions[COGL_PIPELINE_STATE_SPARSE_COUNT]; + +/* We don't statically initialize the array of hash functions + * so we won't get caught out by later re-indexing the groups for + * some reason. */ +void +_cogl_pipeline_init_state_hash_functions (void) +{ + state_hash_functions[COGL_PIPELINE_STATE_COLOR_INDEX] = + _cogl_pipeline_hash_color_state; + state_hash_functions[COGL_PIPELINE_STATE_BLEND_ENABLE_INDEX] = + _cogl_pipeline_hash_blend_enable_state; + state_hash_functions[COGL_PIPELINE_STATE_LAYERS_INDEX] = + _cogl_pipeline_hash_layers_state; + state_hash_functions[COGL_PIPELINE_STATE_LIGHTING_INDEX] = + _cogl_pipeline_hash_lighting_state; + state_hash_functions[COGL_PIPELINE_STATE_ALPHA_FUNC_INDEX] = + _cogl_pipeline_hash_alpha_func_state; + state_hash_functions[COGL_PIPELINE_STATE_ALPHA_FUNC_REFERENCE_INDEX] = + _cogl_pipeline_hash_alpha_func_reference_state; + state_hash_functions[COGL_PIPELINE_STATE_BLEND_INDEX] = + _cogl_pipeline_hash_blend_state; + state_hash_functions[COGL_PIPELINE_STATE_USER_SHADER_INDEX] = + _cogl_pipeline_hash_user_shader_state; + state_hash_functions[COGL_PIPELINE_STATE_DEPTH_INDEX] = + _cogl_pipeline_hash_depth_state; + state_hash_functions[COGL_PIPELINE_STATE_FOG_INDEX] = + _cogl_pipeline_hash_fog_state; + state_hash_functions[COGL_PIPELINE_STATE_CULL_FACE_INDEX] = + _cogl_pipeline_hash_cull_face_state; + state_hash_functions[COGL_PIPELINE_STATE_NON_ZERO_POINT_SIZE_INDEX] = + _cogl_pipeline_hash_non_zero_point_size_state; + state_hash_functions[COGL_PIPELINE_STATE_POINT_SIZE_INDEX] = + _cogl_pipeline_hash_point_size_state; + state_hash_functions[COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE_INDEX] = + _cogl_pipeline_hash_per_vertex_point_size_state; + state_hash_functions[COGL_PIPELINE_STATE_LOGIC_OPS_INDEX] = + _cogl_pipeline_hash_logic_ops_state; + state_hash_functions[COGL_PIPELINE_STATE_UNIFORMS_INDEX] = + _cogl_pipeline_hash_uniforms_state; + state_hash_functions[COGL_PIPELINE_STATE_VERTEX_SNIPPETS_INDEX] = + _cogl_pipeline_hash_vertex_snippets_state; + state_hash_functions[COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS_INDEX] = + _cogl_pipeline_hash_fragment_snippets_state; + + { + /* So we get a big error if we forget to update this code! */ + _COGL_STATIC_ASSERT (COGL_PIPELINE_STATE_SPARSE_COUNT == 18, + "Make sure to install a hash function for " + "newly added pipeline state and update assert " + "in _cogl_pipeline_init_state_hash_functions"); + } +} + +unsigned int +_cogl_pipeline_hash (CoglPipeline *pipeline, + unsigned int differences, + unsigned long layer_differences, + CoglPipelineEvalFlags flags) +{ + CoglPipeline *authorities[COGL_PIPELINE_STATE_SPARSE_COUNT]; + unsigned int mask; + int i; + CoglPipelineHashState state; + unsigned int final_hash = 0; + + state.hash = 0; + state.layer_differences = layer_differences; + state.flags = flags; + + _cogl_pipeline_update_real_blend_enable (pipeline, FALSE); + + /* hash non-sparse state */ + + if (differences & COGL_PIPELINE_STATE_REAL_BLEND_ENABLE) + { + CoglBool enable = pipeline->real_blend_enable; + state.hash = + _cogl_util_one_at_a_time_hash (state.hash, &enable, sizeof (enable)); + } + + /* hash sparse state */ + + mask = differences & COGL_PIPELINE_STATE_ALL_SPARSE; + _cogl_pipeline_resolve_authorities (pipeline, mask, authorities); + + for (i = 0; i < COGL_PIPELINE_STATE_SPARSE_COUNT; i++) + { + unsigned int current_state = (1< differences) + break; + } + + return _cogl_util_one_at_a_time_mix (final_hash); +} + +typedef struct +{ + CoglContext *context; + CoglPipeline *src_pipeline; + CoglPipeline *dst_pipeline; + unsigned int layer_differences; +} DeepCopyData; + +static CoglBool +deep_copy_layer_cb (CoglPipelineLayer *src_layer, + void *user_data) +{ + DeepCopyData *data = user_data; + CoglPipelineLayer *dst_layer; + unsigned int differences = data->layer_differences; + + dst_layer = _cogl_pipeline_get_layer (data->dst_pipeline, src_layer->index); + + while (src_layer != data->context->default_layer_n && + src_layer != data->context->default_layer_0 && + differences) + { + unsigned long to_copy = differences & src_layer->differences; + + if (to_copy) + { + _cogl_pipeline_layer_copy_differences (dst_layer, src_layer, to_copy); + differences ^= to_copy; + } + + src_layer = COGL_PIPELINE_LAYER (COGL_NODE (src_layer)->parent); + } + + return TRUE; +} + +CoglPipeline * +_cogl_pipeline_deep_copy (CoglPipeline *pipeline, + unsigned long differences, + unsigned long layer_differences) +{ + CoglPipeline *new, *authority; + CoglBool copy_layer_state; + + _COGL_GET_CONTEXT (ctx, NULL); + + if ((differences & COGL_PIPELINE_STATE_LAYERS)) + { + copy_layer_state = TRUE; + differences &= ~COGL_PIPELINE_STATE_LAYERS; + } + else + copy_layer_state = FALSE; + + new = cogl_pipeline_new (ctx); + + for (authority = pipeline; + authority != ctx->default_pipeline && differences; + authority = COGL_PIPELINE (COGL_NODE (authority)->parent)) + { + unsigned long to_copy = differences & authority->differences; + + if (to_copy) + { + _cogl_pipeline_copy_differences (new, authority, to_copy); + differences ^= to_copy; + } + } + + if (copy_layer_state) + { + DeepCopyData data; + + /* The unit index doesn't need to be copied because it should + * end up with the same values anyway because the new pipeline + * will have the same indices as the source pipeline */ + layer_differences &= ~COGL_PIPELINE_LAYER_STATE_UNIT; + + data.context = ctx; + data.src_pipeline = pipeline; + data.dst_pipeline = new; + data.layer_differences = layer_differences; + + _cogl_pipeline_foreach_layer_internal (pipeline, + deep_copy_layer_cb, + &data); + } + + return new; +} + +typedef struct +{ + int i; + CoglPipelineLayer **layers; +} AddLayersToArrayState; + +static CoglBool +add_layer_to_array_cb (CoglPipelineLayer *layer, + void *user_data) +{ + AddLayersToArrayState *state = user_data; + state->layers[state->i++] = layer; + return TRUE; +} + +/* This tries to find the oldest ancestor whose pipeline and layer + state matches the given flags. This is mostly used to detect code + gen authorities so that we can reduce the numer of programs + generated */ +CoglPipeline * +_cogl_pipeline_find_equivalent_parent (CoglPipeline *pipeline, + CoglPipelineState pipeline_state, + CoglPipelineLayerState layer_state) +{ + CoglPipeline *authority0; + CoglPipeline *authority1; + int n_layers; + CoglPipelineLayer **authority0_layers; + CoglPipelineLayer **authority1_layers; + + /* Find the first pipeline that modifies state that affects the + * state or any layer state... */ + authority0 = _cogl_pipeline_get_authority (pipeline, + pipeline_state | + COGL_PIPELINE_STATE_LAYERS); + + /* Find the next ancestor after that, that also modifies the + * state... */ + if (_cogl_pipeline_get_parent (authority0)) + { + authority1 = + _cogl_pipeline_get_authority (_cogl_pipeline_get_parent (authority0), + pipeline_state | + COGL_PIPELINE_STATE_LAYERS); + } + else + return authority0; + + n_layers = cogl_pipeline_get_n_layers (authority0); + + for (;;) + { + AddLayersToArrayState state; + int i; + + if (n_layers != cogl_pipeline_get_n_layers (authority1)) + return authority0; + + /* If the programs differ by anything that isn't part of the + layer state then we can't continue */ + if (pipeline_state && + (_cogl_pipeline_compare_differences (authority0, authority1) & + pipeline_state)) + return authority0; + + authority0_layers = + g_alloca (sizeof (CoglPipelineLayer *) * n_layers); + state.i = 0; + state.layers = authority0_layers; + _cogl_pipeline_foreach_layer_internal (authority0, + add_layer_to_array_cb, + &state); + + authority1_layers = + g_alloca (sizeof (CoglPipelineLayer *) * n_layers); + state.i = 0; + state.layers = authority1_layers; + _cogl_pipeline_foreach_layer_internal (authority1, + add_layer_to_array_cb, + &state); + + for (i = 0; i < n_layers; i++) + { + unsigned long layer_differences; + + if (authority0_layers[i] == authority1_layers[i]) + continue; + + layer_differences = + _cogl_pipeline_layer_compare_differences (authority0_layers[i], + authority1_layers[i]); + + if (layer_differences & layer_state) + return authority0; + } + + /* Find the next ancestor after that, that also modifies state + * affecting codegen... */ + + if (!_cogl_pipeline_get_parent (authority1)) + break; + + authority0 = authority1; + authority1 = + _cogl_pipeline_get_authority (_cogl_pipeline_get_parent (authority1), + pipeline_state | + COGL_PIPELINE_STATE_LAYERS); + if (authority1 == authority0) + break; + } + + return authority1; +} + +CoglPipelineState +_cogl_pipeline_get_state_for_vertex_codegen (CoglContext *context) +{ + CoglPipelineState state = (COGL_PIPELINE_STATE_LAYERS | + COGL_PIPELINE_STATE_USER_SHADER | + COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE | + COGL_PIPELINE_STATE_VERTEX_SNIPPETS); + + /* If we don't have the builtin point size uniform then we'll add + * one in the GLSL but we'll only do this if the point size is + * non-zero. Whether or not the point size is zero is represented by + * COGL_PIPELINE_STATE_NON_ZERO_POINT_SIZE */ + if (!_cogl_has_private_feature + (context, COGL_PRIVATE_FEATURE_BUILTIN_POINT_SIZE_UNIFORM)) + state |= COGL_PIPELINE_STATE_NON_ZERO_POINT_SIZE; + + return state; +} + +CoglPipelineLayerState +_cogl_pipeline_get_layer_state_for_fragment_codegen (CoglContext *context) +{ + CoglPipelineLayerState state = + (COGL_PIPELINE_LAYER_STATE_COMBINE | + COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE | + COGL_PIPELINE_LAYER_STATE_UNIT | + COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS); + + /* If the driver supports GLSL then we might be using gl_PointCoord + * to implement the sprite coords. In that case the generated code + * depends on the point sprite state */ + if (cogl_has_feature (context, COGL_FEATURE_ID_GLSL)) + state |= COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS; + + return state; +} + +CoglPipelineState +_cogl_pipeline_get_state_for_fragment_codegen (CoglContext *context) +{ + CoglPipelineState state = (COGL_PIPELINE_STATE_LAYERS | + COGL_PIPELINE_STATE_USER_SHADER | + COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS); + + if (!_cogl_has_private_feature (context, COGL_PRIVATE_FEATURE_ALPHA_TEST)) + state |= COGL_PIPELINE_STATE_ALPHA_FUNC; + + return state; +} + +int +cogl_pipeline_get_uniform_location (CoglPipeline *pipeline, + const char *uniform_name) +{ + void *location_ptr; + char *uniform_name_copy; + + _COGL_GET_CONTEXT (ctx, -1); + + /* This API is designed as if the uniform locations are specific to + a pipeline but they are actually unique across a whole + CoglContext. Potentially this could just be + cogl_context_get_uniform_location but it seems to make sense to + keep the API this way so that we can change the internals if need + be. */ + + /* Look for an existing uniform with this name */ + if (g_hash_table_lookup_extended (ctx->uniform_name_hash, + uniform_name, + NULL, + &location_ptr)) + return GPOINTER_TO_INT (location_ptr); + + uniform_name_copy = g_strdup (uniform_name); + g_ptr_array_add (ctx->uniform_names, uniform_name_copy); + g_hash_table_insert (ctx->uniform_name_hash, + uniform_name_copy, + GINT_TO_POINTER (ctx->n_uniform_names)); + + return ctx->n_uniform_names++; +} diff --git a/cogl/cogl-pipeline.h b/cogl/cogl-pipeline.h new file mode 100644 index 0000000..08ae3f6 --- /dev/null +++ b/cogl/cogl-pipeline.h @@ -0,0 +1,194 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_PIPELINE_H__ +#define __COGL_PIPELINE_H__ + +/* We forward declare the CoglPipeline type here to avoid some circular + * dependency issues with the following headers. + */ +typedef struct _CoglPipeline CoglPipeline; + +#include +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +/** + * SECTION:cogl-pipeline + * @short_description: Functions for creating and manipulating the GPU + * pipeline + * + * Cogl allows creating and manipulating objects representing the full + * configuration of the GPU pipeline. In simplified terms the GPU + * pipeline takes primitive geometry as the input, it first performs + * vertex processing, allowing you to deform your geometry, then + * rasterizes that (turning it from pure geometry into fragments) then + * performs fragment processing including depth testing and texture + * mapping. Finally it blends the result with the framebuffer. + */ + +#define COGL_PIPELINE(OBJECT) ((CoglPipeline *)OBJECT) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_pipeline_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_pipeline_get_gtype (void); +#endif + +/** + * cogl_pipeline_new: + * @context: a #CoglContext + * + * Allocates and initializes a default simple pipeline that will color + * a primitive white. + * + * Return value: (transfer full): a pointer to a new #CoglPipeline + * + * Since: 2.0 + * Stability: Unstable + */ +CoglPipeline * +cogl_pipeline_new (CoglContext *context); + +/** + * cogl_pipeline_copy: + * @source: a #CoglPipeline object to copy + * + * Creates a new pipeline with the configuration copied from the + * source pipeline. + * + * We would strongly advise developers to always aim to use + * cogl_pipeline_copy() instead of cogl_pipeline_new() whenever there will + * be any similarity between two pipelines. Copying a pipeline helps Cogl + * keep track of a pipelines ancestry which we may use to help minimize GPU + * state changes. + * + * Return value: (transfer full): a pointer to the newly allocated #CoglPipeline + * + * Since: 2.0 + * Stability: Unstable + */ +CoglPipeline * +cogl_pipeline_copy (CoglPipeline *source); + +/** + * cogl_is_pipeline: + * @object: A #CoglObject + * + * Gets whether the given @object references an existing pipeline object. + * + * Return value: %TRUE if the @object references a #CoglPipeline, + * %FALSE otherwise + * + * Since: 2.0 + * Stability: Unstable + */ +CoglBool +cogl_is_pipeline (void *object); + +/** + * CoglPipelineLayerCallback: + * @pipeline: The #CoglPipeline whos layers are being iterated + * @layer_index: The current layer index + * @user_data: The private data passed to cogl_pipeline_foreach_layer() + * + * The callback prototype used with cogl_pipeline_foreach_layer() for + * iterating all the layers of a @pipeline. + * + * Since: 2.0 + * Stability: Unstable + */ +typedef CoglBool (*CoglPipelineLayerCallback) (CoglPipeline *pipeline, + int layer_index, + void *user_data); + +/** + * cogl_pipeline_foreach_layer: + * @pipeline: A #CoglPipeline object + * @callback: (scope call): A #CoglPipelineLayerCallback to be + * called for each layer index + * @user_data: (closure): Private data that will be passed to the + * callback + * + * Iterates all the layer indices of the given @pipeline. + * + * Since: 2.0 + * Stability: Unstable + */ +void +cogl_pipeline_foreach_layer (CoglPipeline *pipeline, + CoglPipelineLayerCallback callback, + void *user_data); + +/** + * cogl_pipeline_get_uniform_location: + * @pipeline: A #CoglPipeline object + * @uniform_name: The name of a uniform + * + * This is used to get an integer representing the uniform with the + * name @uniform_name. The integer can be passed to functions such as + * cogl_pipeline_set_uniform_1f() to set the value of a uniform. + * + * This function will always return a valid integer. Ie, unlike + * OpenGL, it does not return -1 if the uniform is not available in + * this pipeline so it can not be used to test whether uniforms are + * present. It is not necessary to set the program on the pipeline + * before calling this function. + * + * Return value: A integer representing the location of the given uniform. + * + * Since: 2.0 + * Stability: Unstable + */ +int +cogl_pipeline_get_uniform_location (CoglPipeline *pipeline, + const char *uniform_name); + + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +COGL_END_DECLS + +#endif /* __COGL_PIPELINE_H__ */ diff --git a/cogl/cogl-pixel-buffer-private.h b/cogl/cogl-pixel-buffer-private.h new file mode 100644 index 0000000..2735277 --- /dev/null +++ b/cogl/cogl-pixel-buffer-private.h @@ -0,0 +1,52 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Damien Lespiau + * Robert Bragg + */ + +#ifndef __COGL_PIXEL_BUFFER_PRIVATE_H__ +#define __COGL_PIXEL_BUFFER_PRIVATE_H__ + +#include "cogl-object-private.h" +#include "cogl-buffer-private.h" + +#include + +COGL_BEGIN_DECLS + +struct _CoglPixelBuffer +{ + CoglBuffer _parent; +}; + +COGL_END_DECLS + +#endif /* __COGL_PIXEL_BUFFER_PRIVATE_H__ */ diff --git a/cogl/cogl-pixel-buffer.c b/cogl/cogl-pixel-buffer.c new file mode 100644 index 0000000..e2d6565 --- /dev/null +++ b/cogl/cogl-pixel-buffer.c @@ -0,0 +1,134 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Damien Lespiau + * Robert Bragg + */ + +/* For an overview of the functionality implemented here, please see + * cogl-buffer-array.h, which contains the gtk-doc section overview for the + * Pixel Buffers API. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include + +#include "cogl-private.h" +#include "cogl-util.h" +#include "cogl-context-private.h" +#include "cogl-object.h" +#include "cogl-pixel-buffer-private.h" +#include "cogl-pixel-buffer.h" +#include "cogl-gtype-private.h" + +/* + * GL/GLES compatibility defines for the buffer API: + */ + +#if defined (HAVE_COGL_GL) + +#ifndef GL_PIXEL_UNPACK_BUFFER +#define GL_PIXEL_UNPACK_BUFFER GL_PIXEL_UNPACK_BUFFER_ARB +#endif + +#ifndef GL_PIXEL_PACK_BUFFER +#define GL_PIXEL_PACK_BUFFER GL_PIXEL_PACK_BUFFER_ARB +#endif + +#endif + +static void +_cogl_pixel_buffer_free (CoglPixelBuffer *buffer); + +COGL_BUFFER_DEFINE (PixelBuffer, pixel_buffer) +COGL_GTYPE_DEFINE_CLASS (PixelBuffer, pixel_buffer) + +static CoglPixelBuffer * +_cogl_pixel_buffer_new (CoglContext *context, + size_t size, + const void *data, + CoglError **error) +{ + CoglPixelBuffer *pixel_buffer = g_slice_new0 (CoglPixelBuffer); + CoglBuffer *buffer = COGL_BUFFER (pixel_buffer); + + /* parent's constructor */ + _cogl_buffer_initialize (buffer, + context, + size, + COGL_BUFFER_BIND_TARGET_PIXEL_UNPACK, + COGL_BUFFER_USAGE_HINT_TEXTURE, + COGL_BUFFER_UPDATE_HINT_STATIC); + + _cogl_pixel_buffer_object_new (pixel_buffer); + + if (data) + { + if (!_cogl_buffer_set_data (COGL_BUFFER (pixel_buffer), + 0, + data, + size, + error)) + { + cogl_object_unref (pixel_buffer); + return NULL; + } + } + + return pixel_buffer; +} + +CoglPixelBuffer * +cogl_pixel_buffer_new (CoglContext *context, + size_t size, + const void *data) +{ + CoglError *ignore_error = NULL; + CoglPixelBuffer *buffer = + _cogl_pixel_buffer_new (context, size, data, &ignore_error); + if (!buffer) + cogl_error_free (ignore_error); + return buffer; +} + +static void +_cogl_pixel_buffer_free (CoglPixelBuffer *buffer) +{ + /* parent's destructor */ + _cogl_buffer_fini (COGL_BUFFER (buffer)); + + g_slice_free (CoglPixelBuffer, buffer); +} + diff --git a/cogl/cogl-pixel-buffer.h b/cogl/cogl-pixel-buffer.h new file mode 100644 index 0000000..8ae6164 --- /dev/null +++ b/cogl/cogl-pixel-buffer.h @@ -0,0 +1,138 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Damien Lespiau + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_PIXEL_BUFFER_H__ +#define __COGL_PIXEL_BUFFER_H__ + +/* XXX: We forward declare CoglPixelBuffer here to allow for circular + * dependencies between some headers */ +typedef struct _CoglPixelBuffer CoglPixelBuffer; + +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +#define COGL_PIXEL_BUFFER(buffer) ((CoglPixelBuffer *)(buffer)) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_pixel_buffer_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_pixel_buffer_get_gtype (void); +#endif + +/** + * cogl_pixel_buffer_new: + * @context: A #CoglContext + * @size: The number of bytes to allocate for the pixel data. + * @data: An optional pointer to vertex data to upload immediately + * + * Declares a new #CoglPixelBuffer of @size bytes to contain arrays of + * pixels. Once declared, data can be set using cogl_buffer_set_data() + * or by mapping it into the application's address space using + * cogl_buffer_map(). + * + * If @data isn't %NULL then @size bytes will be read from @data and + * immediately copied into the new buffer. + * + * Return value: (transfer full): a newly allocated #CoglPixelBuffer + * + * Since: 1.10 + * Stability: unstable + */ +CoglPixelBuffer * +cogl_pixel_buffer_new (CoglContext *context, + size_t size, + const void *data); + +/** + * cogl_is_pixel_buffer: + * @object: a #CoglObject to test + * + * Checks whether @object is a pixel buffer. + * + * Return value: %TRUE if the @object is a pixel buffer, and %FALSE + * otherwise + * + * Since: 1.2 + * Stability: Unstable + */ +CoglBool +cogl_is_pixel_buffer (void *object); + +#if 0 +/* + * cogl_pixel_buffer_set_region: + * @buffer: A #CoglPixelBuffer object + * @data: pixel data to upload to @array + * @src_width: width in pixels of the region to update + * @src_height: height in pixels of the region to update + * @src_rowstride: row stride in bytes of the source array + * @dst_x: upper left destination horizontal coordinate + * @dst_y: upper left destination vertical coordinate + * + * Uploads new data into a pixel array. The source data pointed by @data can + * have a different stride than @array in which case the function will do the + * right thing for you. For performance reasons, it is recommended for the + * source data to have the same stride than @array. + * + * Return value: %TRUE if the upload succeeded, %FALSE otherwise + * + * Since: 1.2 + * Stability: Unstable + */ +CoglBool +cogl_pixel_buffer_set_region (CoglPixelBuffer *buffer, + uint8_t *data, + unsigned int src_width, + unsigned int src_height, + unsigned int src_rowstride, + unsigned int dst_x, + unsigned int dst_y); +#endif + +COGL_END_DECLS + +#endif /* __COGL_PIXEL_BUFFER_H__ */ diff --git a/cogl/cogl-point-in-poly-private.h b/cogl/cogl-point-in-poly-private.h new file mode 100644 index 0000000..1f3f701 --- /dev/null +++ b/cogl/cogl-point-in-poly-private.h @@ -0,0 +1,46 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_POINT_INT_POLYGON_PRIVATE_H +#define __COGL_POINT_INT_POLYGON_PRIVATE_H + +#include + +COGL_BEGIN_DECLS + +int +_cogl_util_point_in_screen_poly (float point_x, + float point_y, + void *vertices, + size_t stride, + int n_vertices); + +COGL_END_DECLS + +#endif /* __COGL_POINT_INT_POLYGON_PRIVATE_H */ + diff --git a/cogl/cogl-point-in-poly.c b/cogl/cogl-point-in-poly.c new file mode 100644 index 0000000..cf87b93 --- /dev/null +++ b/cogl/cogl-point-in-poly.c @@ -0,0 +1,101 @@ +/* + * Point Inclusion in Polygon Test + * + * Copyright (c) 1970-2003, Wm. Randolph Franklin + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimers. + * 2. Redistributions in binary form must reproduce the above + * copyright notice in the documentation and/or other materials + * provided with the distribution. + * 3. The name of W. Randolph Franklin may not be used to endorse or + * promote products derived from this Software without specific + * prior written permission. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Note: + * The algorithm for this point_in_poly() function was learnt from: + * http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-point-in-poly-private.h" + +#include + +/* We've made a notable change to the original algorithm referenced + * above to make sure we have reliable results for screen aligned + * rectangles even though there may be some numerical in-precision in + * how the vertices of the polygon were calculated. + * + * We've avoided introducing an epsilon factor to the comparisons + * since we feel there's a risk of changing some semantics in ways that + * might not be desirable. One of those is that if you transform two + * polygons which share an edge and test a point close to that edge + * then this algorithm will currently give a positive result for only + * one polygon. + * + * Another concern is the way this algorithm resolves the corner case + * where the horizontal ray being cast to count edge crossings may + * cross directly through a vertex. The solution is based on the "idea + * of Simulation of Simplicity" and "pretends to shift the ray + * infinitesimally down so that it either clearly intersects, or + * clearly doesn't touch". I'm not familiar with the idea myself so I + * expect a misplaced epsilon is likely to break that aspect of the + * algorithm. + * + * The simple solution we've gone for is to pixel align the polygon + * vertices which should eradicate most noise due to in-precision. + */ +int +_cogl_util_point_in_screen_poly (float point_x, + float point_y, + void *vertices, + size_t stride, + int n_vertices) +{ + int i, j, c = 0; + + for (i = 0, j = n_vertices - 1; i < n_vertices; j = i++) + { + float vert_xi = *(float *)((uint8_t *)vertices + i * stride); + float vert_xj = *(float *)((uint8_t *)vertices + j * stride); + float vert_yi = *(float *)((uint8_t *)vertices + i * stride + + sizeof (float)); + float vert_yj = *(float *)((uint8_t *)vertices + j * stride + + sizeof (float)); + + vert_xi = COGL_UTIL_NEARBYINT (vert_xi); + vert_xj = COGL_UTIL_NEARBYINT (vert_xj); + vert_yi = COGL_UTIL_NEARBYINT (vert_yi); + vert_yj = COGL_UTIL_NEARBYINT (vert_yj); + + if (((vert_yi > point_y) != (vert_yj > point_y)) && + (point_x < (vert_xj - vert_xi) * (point_y - vert_yi) / + (vert_yj - vert_yi) + vert_xi) ) + c = !c; + } + + return c; +} + diff --git a/cogl/cogl-poll-private.h b/cogl/cogl-poll-private.h new file mode 100644 index 0000000..bdc9e6d --- /dev/null +++ b/cogl/cogl-poll-private.h @@ -0,0 +1,77 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_POLL_PRIVATE_H__ +#define __COGL_POLL_PRIVATE_H__ + +#include "cogl-poll.h" +#include "cogl-renderer.h" +#include "cogl-closure-list-private.h" + +void +_cogl_poll_renderer_remove_fd (CoglRenderer *renderer, int fd); + +typedef int64_t (*CoglPollPrepareCallback) (void *user_data); +typedef void (*CoglPollDispatchCallback) (void *user_data, int revents); + +void +_cogl_poll_renderer_add_fd (CoglRenderer *renderer, + int fd, + CoglPollFDEvent events, + CoglPollPrepareCallback prepare, + CoglPollDispatchCallback dispatch, + void *user_data); + +void +_cogl_poll_renderer_modify_fd (CoglRenderer *renderer, + int fd, + CoglPollFDEvent events); + +typedef struct _CoglPollSource CoglPollSource; + +CoglPollSource * +_cogl_poll_renderer_add_source (CoglRenderer *renderer, + CoglPollPrepareCallback prepare, + CoglPollDispatchCallback dispatch, + void *user_data); + +void +_cogl_poll_renderer_remove_source (CoglRenderer *renderer, + CoglPollSource *source); + +typedef void (*CoglIdleCallback) (void *user_data); + +CoglClosure * +_cogl_poll_renderer_add_idle (CoglRenderer *renderer, + CoglIdleCallback idle_cb, + void *user_data, + CoglUserDataDestroyCallback destroy_cb); + +#endif /* __COGL_POLL_PRIVATE_H__ */ diff --git a/cogl/cogl-poll.c b/cogl/cogl-poll.c new file mode 100644 index 0000000..1ce62f6 --- /dev/null +++ b/cogl/cogl-poll.c @@ -0,0 +1,267 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-poll.h" +#include "cogl-poll-private.h" +#include "cogl-winsys-private.h" +#include "cogl-renderer-private.h" + +struct _CoglPollSource +{ + int fd; + CoglPollPrepareCallback prepare; + CoglPollDispatchCallback dispatch; + void *user_data; +}; + +int +cogl_poll_renderer_get_info (CoglRenderer *renderer, + CoglPollFD **poll_fds, + int *n_poll_fds, + int64_t *timeout) +{ + GList *l, *next; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), 0); + _COGL_RETURN_VAL_IF_FAIL (poll_fds != NULL, 0); + _COGL_RETURN_VAL_IF_FAIL (n_poll_fds != NULL, 0); + _COGL_RETURN_VAL_IF_FAIL (timeout != NULL, 0); + + *timeout = -1; + + if (!_cogl_list_empty (&renderer->idle_closures)) + *timeout = 0; + + /* This loop needs to cope with the prepare callback removing its + * own fd */ + for (l = renderer->poll_sources; l; l = next) + { + CoglPollSource *source = l->data; + + next = l->next; + + if (source->prepare) + { + int64_t source_timeout = source->prepare (source->user_data); + if (source_timeout >= 0 && + (*timeout == -1 || *timeout > source_timeout)) + *timeout = source_timeout; + } + } + + /* This is deliberately set after calling the prepare callbacks in + * case one of them removes its fd */ + *poll_fds = (void *)renderer->poll_fds->data; + *n_poll_fds = renderer->poll_fds->len; + + return renderer->poll_fds_age; +} + +void +cogl_poll_renderer_dispatch (CoglRenderer *renderer, + const CoglPollFD *poll_fds, + int n_poll_fds) +{ + GList *l, *next; + + _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer)); + + _cogl_closure_list_invoke_no_args (&renderer->idle_closures); + + /* This loop needs to cope with the dispatch callback removing its + * own fd */ + for (l = renderer->poll_sources; l; l = next) + { + CoglPollSource *source = l->data; + int i; + + next = l->next; + + if (source->fd == -1) + { + source->dispatch (source->user_data, 0); + continue; + } + + for (i = 0; i < n_poll_fds; i++) + { + const CoglPollFD *pollfd = &poll_fds[i]; + + if (pollfd->fd == source->fd) + { + source->dispatch (source->user_data, pollfd->revents); + break; + } + } + } +} + +static int +find_pollfd (CoglRenderer *renderer, int fd) +{ + int i; + + for (i = 0; i < renderer->poll_fds->len; i++) + { + CoglPollFD *pollfd = &g_array_index (renderer->poll_fds, CoglPollFD, i); + + if (pollfd->fd == fd) + return i; + } + + return -1; +} + +void +_cogl_poll_renderer_remove_fd (CoglRenderer *renderer, int fd) +{ + int i = find_pollfd (renderer, fd); + GList *l; + + if (i < 0) + return; + + g_array_remove_index_fast (renderer->poll_fds, i); + renderer->poll_fds_age++; + + for (l = renderer->poll_sources; l; l = l->next) + { + CoglPollSource *source = l->data; + if (source->fd == fd) + { + renderer->poll_sources = + g_list_delete_link (renderer->poll_sources, l); + g_slice_free (CoglPollSource, source); + break; + } + } +} + +void +_cogl_poll_renderer_modify_fd (CoglRenderer *renderer, + int fd, + CoglPollFDEvent events) +{ + int fd_index = find_pollfd (renderer, fd); + + if (fd_index == -1) + g_warn_if_reached (); + else + { + CoglPollFD *pollfd = + &g_array_index (renderer->poll_sources, CoglPollFD, fd_index); + + pollfd->events = events; + renderer->poll_fds_age++; + } +} + +void +_cogl_poll_renderer_add_fd (CoglRenderer *renderer, + int fd, + CoglPollFDEvent events, + CoglPollPrepareCallback prepare, + CoglPollDispatchCallback dispatch, + void *user_data) +{ + CoglPollFD pollfd = { + fd, + events + }; + CoglPollSource *source; + + _cogl_poll_renderer_remove_fd (renderer, fd); + + source = g_slice_new0 (CoglPollSource); + source->fd = fd; + source->prepare = prepare; + source->dispatch = dispatch; + source->user_data = user_data; + + renderer->poll_sources = g_list_prepend (renderer->poll_sources, source); + + g_array_append_val (renderer->poll_fds, pollfd); + renderer->poll_fds_age++; +} + +CoglPollSource * +_cogl_poll_renderer_add_source (CoglRenderer *renderer, + CoglPollPrepareCallback prepare, + CoglPollDispatchCallback dispatch, + void *user_data) +{ + CoglPollSource *source; + + source = g_slice_new0 (CoglPollSource); + source->fd = -1; + source->prepare = prepare; + source->dispatch = dispatch; + source->user_data = user_data; + + renderer->poll_sources = g_list_prepend (renderer->poll_sources, source); + + return source; +} + +void +_cogl_poll_renderer_remove_source (CoglRenderer *renderer, + CoglPollSource *source) +{ + GList *l; + + for (l = renderer->poll_sources; l; l = l->next) + { + if (l->data == source) + { + renderer->poll_sources = + g_list_delete_link (renderer->poll_sources, l); + g_slice_free (CoglPollSource, source); + break; + } + } +} + +CoglClosure * +_cogl_poll_renderer_add_idle (CoglRenderer *renderer, + CoglIdleCallback idle_cb, + void *user_data, + CoglUserDataDestroyCallback destroy_cb) +{ + return _cogl_closure_list_add (&renderer->idle_closures, + idle_cb, + user_data, + destroy_cb); +} diff --git a/cogl/cogl-poll.h b/cogl/cogl-poll.h new file mode 100644 index 0000000..fa93d92 --- /dev/null +++ b/cogl/cogl-poll.h @@ -0,0 +1,200 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_POLL_H__ +#define __COGL_POLL_H__ + +#include +#include + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-poll + * @short_description: Functions for integrating Cogl with an + * application's main loop + * + * Cogl needs to integrate with the application's main loop so that it + * can internally handle some events from the driver. All Cogl + * applications must use these functions. They provide enough + * information to describe the state that Cogl will need to wake up + * on. An application using the GLib main loop can instead use + * cogl_glib_source_new() which provides a #GSource ready to be added + * to the main loop. + */ + +/** + * CoglPollFDEvent: + * @COGL_POLL_FD_EVENT_IN: there is data to read + * @COGL_POLL_FD_EVENT_PRI: data can be written (without blocking) + * @COGL_POLL_FD_EVENT_OUT: there is urgent data to read. + * @COGL_POLL_FD_EVENT_ERR: error condition + * @COGL_POLL_FD_EVENT_HUP: hung up (the connection has been broken, usually + * for pipes and sockets). + * @COGL_POLL_FD_EVENT_NVAL: invalid request. The file descriptor is not open. + * + * A bitmask of events that Cogl may need to wake on for a file + * descriptor. Note that these all have the same values as the + * corresponding defines for the poll function call on Unix so they + * may be directly passed to poll. + * + * Since: 1.10 + * Stability: unstable + */ +typedef enum +{ + COGL_POLL_FD_EVENT_IN = COGL_SYSDEF_POLLIN, + COGL_POLL_FD_EVENT_PRI = COGL_SYSDEF_POLLPRI, + COGL_POLL_FD_EVENT_OUT = COGL_SYSDEF_POLLOUT, + COGL_POLL_FD_EVENT_ERR = COGL_SYSDEF_POLLERR, + COGL_POLL_FD_EVENT_HUP = COGL_SYSDEF_POLLHUP, + COGL_POLL_FD_EVENT_NVAL = COGL_SYSDEF_POLLNVAL +} CoglPollFDEvent; + +/** + * CoglPollFD: + * @fd: The file descriptor to block on + * @events: A bitmask of events to block on + * @revents: A bitmask of returned events + * + * A struct for describing the state of a file descriptor that Cogl + * needs to block on. The @events field contains a bitmask of + * #CoglPollFDEvents that should cause the application to wake + * up. After the application is woken up from idle it should pass back + * an array of #CoglPollFDs to Cogl and update the @revents + * mask to the actual events that occurred on the file descriptor. + * + * Note that CoglPollFD is deliberately exactly the same as struct + * pollfd on Unix so that it can simply be cast when calling poll. + * + * Since: 1.10 + * Stability: unstable + */ +typedef struct { + int fd; + short int events; + short int revents; +} CoglPollFD; + +/** + * cogl_poll_renderer_get_info: + * @renderer: A #CoglRenderer + * @poll_fds: A return location for a pointer to an array + * of #CoglPollFDs + * @n_poll_fds: A return location for the number of entries in *@poll_fds + * @timeout: A return location for the maximum length of time to wait + * in microseconds, or -1 to wait indefinitely. + * + * Is used to integrate Cogl with an application mainloop that is based + * on the unix poll(2) api (or select() or something equivalent). This + * api should be called whenever an application is about to go idle so + * that Cogl has a chance to describe what file descriptor events it + * needs to be woken up for. + * + * If your application is using the Glib mainloop then you + * should jump to the cogl_glib_source_new() api as a more convenient + * way of integrating Cogl with the mainloop. + * + * After the function is called *@poll_fds will contain a pointer to + * an array of #CoglPollFD structs describing the file descriptors + * that Cogl expects. The fd and events members will be updated + * accordingly. After the application has completed its idle it is + * expected to either update the revents members directly in this + * array or to create a copy of the array and update them + * there. + * + * When the application mainloop returns from calling poll(2) (or its + * equivalent) then it should call cogl_poll_renderer_dispatch() + * passing a pointer the array of CoglPollFDs with updated + * revent values. + * + * When using the %COGL_WINSYS_ID_WGL winsys (where file descriptors + * don't make any sense) or %COGL_WINSYS_ID_SDL (where the event + * handling functions of SDL don't allow blocking on a file + * descriptor) *n_poll_fds is guaranteed to be zero. + * + * @timeout will contain a maximum amount of time to wait in + * microseconds before the application should wake up or -1 if the + * application should wait indefinitely. This can also be 0 if + * Cogl needs to be woken up immediately. + * + * Return value: A "poll fd state age" that changes whenever the set + * of poll_fds has changed. If this API is being used to + * integrate with another system mainloop api then + * knowing if the set of file descriptors and events has + * really changed can help avoid redundant work + * depending the api. The age isn't guaranteed to change + * when the timeout changes. + * + * Stability: unstable + * Since: 1.16 + */ +int +cogl_poll_renderer_get_info (CoglRenderer *renderer, + CoglPollFD **poll_fds, + int *n_poll_fds, + int64_t *timeout); + +/** + * cogl_poll_renderer_dispatch: + * @renderer: A #CoglRenderer + * @poll_fds: An array of #CoglPollFDs describing the events + * that have occurred since the application went idle. + * @n_poll_fds: The length of the @poll_fds array. + * + * This should be called whenever an application is woken up from + * going idle in its main loop. The @poll_fds array should contain a + * list of file descriptors matched with the events that occurred in + * revents. The events field is ignored. It is safe to pass in extra + * file descriptors that Cogl didn't request when calling + * cogl_poll_renderer_get_info() or a shorter array missing some file + * descriptors that Cogl requested. + * + * If your application didn't originally create a #CoglRenderer + * manually then you can easily get a #CoglRenderer pointer by calling + * cogl_get_renderer(). + * + * Stability: unstable + * Since: 1.16 + */ +void +cogl_poll_renderer_dispatch (CoglRenderer *renderer, + const CoglPollFD *poll_fds, + int n_poll_fds); + +COGL_END_DECLS + +#endif /* __COGL_POLL_H__ */ diff --git a/cogl/cogl-primitive-private.h b/cogl/cogl-primitive-private.h new file mode 100644 index 0000000..7862729 --- /dev/null +++ b/cogl/cogl-primitive-private.h @@ -0,0 +1,73 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PRIMITIVE_PRIVATE_H +#define __COGL_PRIMITIVE_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-attribute-buffer-private.h" +#include "cogl-attribute-private.h" +#include "cogl-framebuffer.h" + +struct _CoglPrimitive +{ + CoglObject _parent; + + CoglIndices *indices; + CoglVerticesMode mode; + int first_vertex; + int n_vertices; + + int immutable_ref; + + CoglAttribute **attributes; + int n_attributes; + + int n_embedded_attributes; + CoglAttribute *embedded_attribute; +}; + +CoglPrimitive * +_cogl_primitive_immutable_ref (CoglPrimitive *primitive); + +void +_cogl_primitive_immutable_unref (CoglPrimitive *primitive); + +void +_cogl_primitive_draw (CoglPrimitive *primitive, + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglDrawFlags flags); + +#endif /* __COGL_PRIMITIVE_PRIVATE_H */ + diff --git a/cogl/cogl-primitive-texture.c b/cogl/cogl-primitive-texture.c new file mode 100644 index 0000000..fce9723 --- /dev/null +++ b/cogl/cogl-primitive-texture.c @@ -0,0 +1,60 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-primitive-texture.h" +#include "cogl-texture-private.h" + +CoglBool +cogl_is_primitive_texture (void *object) +{ + return (cogl_is_texture (object) && + COGL_TEXTURE (object)->vtable->is_primitive); +} + +void +cogl_primitive_texture_set_auto_mipmap (CoglPrimitiveTexture *primitive_texture, + CoglBool value) +{ + CoglTexture *texture; + + _COGL_RETURN_IF_FAIL (cogl_is_primitive_texture (primitive_texture)); + + texture = COGL_TEXTURE (primitive_texture); + + g_assert (texture->vtable->set_auto_mipmap != NULL); + + texture->vtable->set_auto_mipmap (texture, value); +} diff --git a/cogl/cogl-primitive-texture.h b/cogl/cogl-primitive-texture.h new file mode 100644 index 0000000..effaac3 --- /dev/null +++ b/cogl/cogl-primitive-texture.h @@ -0,0 +1,111 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_PRIMITIVE_TEXTURE_H__ +#define __COGL_PRIMITIVE_TEXTURE_H__ + +#include "cogl-types.h" + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-primitive-texture + * @short_description: Interface for low-level textures like + * #CoglTexture2D and #CoglTexture3D. + * + * A #CoglPrimitiveTexture is a texture that is directly represented + * by a single texture on the GPU. For example these could be a + * #CoglTexture2D, #CoglTexture3D or #CoglTextureRectangle. This is + * opposed to high level meta textures which may be composed of + * multiple primitive textures or a sub-region of another texture such + * as #CoglAtlasTexture and #CoglTexture2DSliced. + * + * A texture that implements this interface can be directly used with + * the low level cogl_primitive_draw() API. Other types of textures + * need to be first resolved to primitive textures using the + * #CoglMetaTexture interface. + * + * Most developers won't need to use this interface directly but + * still it is worth understanding the distinction between high-level + * and primitive textures because you may find other references in the + * documentation that detail limitations of using + * primitive textures. + */ + +#ifdef __COGL_H_INSIDE__ +/* For the public C api we typedef interface types as void to avoid needing + * lots of casting in code and instead we will rely on runtime type checking + * for these objects. */ +typedef void CoglPrimitiveTexture; +#else +typedef struct _CoglPrimitiveTexture CoglPrimitiveTexture; +#define COGL_PRIMITIVE_TEXTURE(X) ((CoglPrimitiveTexture *)X) +#endif + +/** + * cogl_is_primitive_texture: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a primitive texture object. + * + * Return value: %TRUE if the pointer references a primitive texture, and + * %FALSE otherwise + * Since: 2.0 + * Stability: unstable + */ +CoglBool +cogl_is_primitive_texture (void *object); + +/** + * cogl_primitive_texture_set_auto_mipmap: + * @primitive_texture: A #CoglPrimitiveTexture + * @value: The new value for whether to auto mipmap + * + * Sets whether the texture will automatically update the smaller + * mipmap levels after any part of level 0 is updated. The update will + * only occur whenever the texture is used for drawing with a texture + * filter that requires the lower mipmap levels. An application should + * disable this if it wants to upload its own data for the other + * levels. By default auto mipmapping is enabled. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_primitive_texture_set_auto_mipmap (CoglPrimitiveTexture *primitive_texture, + CoglBool value); + +COGL_END_DECLS + +#endif /* __COGL_PRIMITIVE_TEXTURE_H__ */ diff --git a/cogl/cogl-primitive.c b/cogl/cogl-primitive.c new file mode 100644 index 0000000..b31a25a --- /dev/null +++ b/cogl/cogl-primitive.c @@ -0,0 +1,645 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-object-private.h" +#include "cogl-primitive.h" +#include "cogl-primitive-private.h" +#include "cogl-attribute-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-gtype-private.h" + +#include +#include + +static void _cogl_primitive_free (CoglPrimitive *primitive); + +COGL_OBJECT_DEFINE (Primitive, primitive); +COGL_GTYPE_DEFINE_CLASS (Primitive, primitive); + +CoglPrimitive * +cogl_primitive_new_with_attributes (CoglVerticesMode mode, + int n_vertices, + CoglAttribute **attributes, + int n_attributes) +{ + CoglPrimitive *primitive; + int i; + + primitive = g_slice_alloc (sizeof (CoglPrimitive) + + sizeof (CoglAttribute *) * (n_attributes - 1)); + primitive->mode = mode; + primitive->first_vertex = 0; + primitive->n_vertices = n_vertices; + primitive->indices = NULL; + primitive->immutable_ref = 0; + + primitive->n_attributes = n_attributes; + primitive->n_embedded_attributes = n_attributes; + primitive->attributes = &primitive->embedded_attribute; + for (i = 0; i < n_attributes; i++) + { + CoglAttribute *attribute = attributes[i]; + cogl_object_ref (attribute); + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_attribute (attribute), NULL); + + primitive->attributes[i] = attribute; + } + + return _cogl_primitive_object_new (primitive); +} + +/* This is just an internal convenience wrapper around + new_with_attributes that also unrefs the attributes. It is just + used for the builtin struct constructors */ +static CoglPrimitive * +_cogl_primitive_new_with_attributes_unref (CoglVerticesMode mode, + int n_vertices, + CoglAttribute **attributes, + int n_attributes) +{ + CoglPrimitive *primitive; + int i; + + primitive = cogl_primitive_new_with_attributes (mode, + n_vertices, + attributes, + n_attributes); + + for (i = 0; i < n_attributes; i++) + cogl_object_unref (attributes[i]); + + return primitive; +} + +CoglPrimitive * +cogl_primitive_new (CoglVerticesMode mode, + int n_vertices, + ...) +{ + va_list ap; + int n_attributes; + CoglAttribute **attributes; + int i; + CoglAttribute *attribute; + + va_start (ap, n_vertices); + for (n_attributes = 0; va_arg (ap, CoglAttribute *); n_attributes++) + ; + va_end (ap); + + attributes = g_alloca (sizeof (CoglAttribute *) * n_attributes); + + va_start (ap, n_vertices); + for (i = 0; (attribute = va_arg (ap, CoglAttribute *)); i++) + attributes[i] = attribute; + va_end (ap); + + return cogl_primitive_new_with_attributes (mode, n_vertices, + attributes, + i); +} + +CoglPrimitive * +cogl_primitive_new_p2 (CoglContext *ctx, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP2 *data) +{ + CoglAttributeBuffer *attribute_buffer = + cogl_attribute_buffer_new (ctx, n_vertices * sizeof (CoglVertexP2), data); + CoglAttribute *attributes[1]; + + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + sizeof (CoglVertexP2), + offsetof (CoglVertexP2, x), + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + + cogl_object_unref (attribute_buffer); + + return _cogl_primitive_new_with_attributes_unref (mode, n_vertices, + attributes, + 1); +} + +CoglPrimitive * +cogl_primitive_new_p3 (CoglContext *ctx, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP3 *data) +{ + CoglAttributeBuffer *attribute_buffer = + cogl_attribute_buffer_new (ctx, n_vertices * sizeof (CoglVertexP3), data); + CoglAttribute *attributes[1]; + + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + sizeof (CoglVertexP3), + offsetof (CoglVertexP3, x), + 3, + COGL_ATTRIBUTE_TYPE_FLOAT); + + cogl_object_unref (attribute_buffer); + + return _cogl_primitive_new_with_attributes_unref (mode, n_vertices, + attributes, + 1); +} + +CoglPrimitive * +cogl_primitive_new_p2c4 (CoglContext *ctx, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP2C4 *data) +{ + CoglAttributeBuffer *attribute_buffer = + cogl_attribute_buffer_new (ctx, n_vertices * sizeof (CoglVertexP2C4), data); + CoglAttribute *attributes[2]; + + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + sizeof (CoglVertexP2C4), + offsetof (CoglVertexP2C4, x), + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + attributes[1] = cogl_attribute_new (attribute_buffer, + "cogl_color_in", + sizeof (CoglVertexP2C4), + offsetof (CoglVertexP2C4, r), + 4, + COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE); + + cogl_object_unref (attribute_buffer); + + return _cogl_primitive_new_with_attributes_unref (mode, n_vertices, + attributes, + 2); +} + +CoglPrimitive * +cogl_primitive_new_p3c4 (CoglContext *ctx, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP3C4 *data) +{ + CoglAttributeBuffer *attribute_buffer = + cogl_attribute_buffer_new (ctx, n_vertices * sizeof (CoglVertexP3C4), data); + CoglAttribute *attributes[2]; + + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + sizeof (CoglVertexP3C4), + offsetof (CoglVertexP3C4, x), + 3, + COGL_ATTRIBUTE_TYPE_FLOAT); + attributes[1] = cogl_attribute_new (attribute_buffer, + "cogl_color_in", + sizeof (CoglVertexP3C4), + offsetof (CoglVertexP3C4, r), + 4, + COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE); + + cogl_object_unref (attribute_buffer); + + return _cogl_primitive_new_with_attributes_unref (mode, n_vertices, + attributes, + 2); +} + +CoglPrimitive * +cogl_primitive_new_p2t2 (CoglContext *ctx, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP2T2 *data) +{ + CoglAttributeBuffer *attribute_buffer = + cogl_attribute_buffer_new (ctx, n_vertices * sizeof (CoglVertexP2T2), data); + CoglAttribute *attributes[2]; + + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + sizeof (CoglVertexP2T2), + offsetof (CoglVertexP2T2, x), + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + attributes[1] = cogl_attribute_new (attribute_buffer, + "cogl_tex_coord0_in", + sizeof (CoglVertexP2T2), + offsetof (CoglVertexP2T2, s), + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + + cogl_object_unref (attribute_buffer); + + return _cogl_primitive_new_with_attributes_unref (mode, n_vertices, + attributes, + 2); +} + +CoglPrimitive * +cogl_primitive_new_p3t2 (CoglContext *ctx, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP3T2 *data) +{ + CoglAttributeBuffer *attribute_buffer = + cogl_attribute_buffer_new (ctx, n_vertices * sizeof (CoglVertexP3T2), data); + CoglAttribute *attributes[2]; + + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + sizeof (CoglVertexP3T2), + offsetof (CoglVertexP3T2, x), + 3, + COGL_ATTRIBUTE_TYPE_FLOAT); + attributes[1] = cogl_attribute_new (attribute_buffer, + "cogl_tex_coord0_in", + sizeof (CoglVertexP3T2), + offsetof (CoglVertexP3T2, s), + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + + cogl_object_unref (attribute_buffer); + + return _cogl_primitive_new_with_attributes_unref (mode, n_vertices, + attributes, + 2); +} + +CoglPrimitive * +cogl_primitive_new_p2t2c4 (CoglContext *ctx, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP2T2C4 *data) +{ + CoglAttributeBuffer *attribute_buffer = + cogl_attribute_buffer_new (ctx, + n_vertices * sizeof (CoglVertexP2T2C4), data); + CoglAttribute *attributes[3]; + + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + sizeof (CoglVertexP2T2C4), + offsetof (CoglVertexP2T2C4, x), + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + attributes[1] = cogl_attribute_new (attribute_buffer, + "cogl_tex_coord0_in", + sizeof (CoglVertexP2T2C4), + offsetof (CoglVertexP2T2C4, s), + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + attributes[2] = cogl_attribute_new (attribute_buffer, + "cogl_color_in", + sizeof (CoglVertexP2T2C4), + offsetof (CoglVertexP2T2C4, r), + 4, + COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE); + + cogl_object_unref (attribute_buffer); + + return _cogl_primitive_new_with_attributes_unref (mode, n_vertices, + attributes, + 3); +} + +CoglPrimitive * +cogl_primitive_new_p3t2c4 (CoglContext *ctx, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP3T2C4 *data) +{ + CoglAttributeBuffer *attribute_buffer = + cogl_attribute_buffer_new (ctx, + n_vertices * sizeof (CoglVertexP3T2C4), data); + CoglAttribute *attributes[3]; + + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + sizeof (CoglVertexP3T2C4), + offsetof (CoglVertexP3T2C4, x), + 3, + COGL_ATTRIBUTE_TYPE_FLOAT); + attributes[1] = cogl_attribute_new (attribute_buffer, + "cogl_tex_coord0_in", + sizeof (CoglVertexP3T2C4), + offsetof (CoglVertexP3T2C4, s), + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + attributes[2] = cogl_attribute_new (attribute_buffer, + "cogl_color_in", + sizeof (CoglVertexP3T2C4), + offsetof (CoglVertexP3T2C4, r), + 4, + COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE); + + cogl_object_unref (attribute_buffer); + + return _cogl_primitive_new_with_attributes_unref (mode, n_vertices, + attributes, + 3); +} + +static void +_cogl_primitive_free (CoglPrimitive *primitive) +{ + int i; + + for (i = 0; i < primitive->n_attributes; i++) + cogl_object_unref (primitive->attributes[i]); + + if (primitive->attributes != &primitive->embedded_attribute) + g_slice_free1 (sizeof (CoglAttribute *) * primitive->n_attributes, + primitive->attributes); + + if (primitive->indices) + cogl_object_unref (primitive->indices); + + g_slice_free1 (sizeof (CoglPrimitive) + + sizeof (CoglAttribute *) * + (primitive->n_embedded_attributes - 1), primitive); +} + +static void +warn_about_midscene_changes (void) +{ + static CoglBool seen = FALSE; + if (!seen) + { + g_warning ("Mid-scene modification of primitives has " + "undefined results\n"); + seen = TRUE; + } +} + +void +cogl_primitive_set_attributes (CoglPrimitive *primitive, + CoglAttribute **attributes, + int n_attributes) +{ + int i; + + _COGL_RETURN_IF_FAIL (cogl_is_primitive (primitive)); + + if (G_UNLIKELY (primitive->immutable_ref)) + { + warn_about_midscene_changes (); + return; + } + + /* NB: we don't unref the previous attributes before refing the new + * in case we would end up releasing the last reference for an + * attribute thats actually in the new list too. */ + for (i = 0; i < n_attributes; i++) + { + _COGL_RETURN_IF_FAIL (cogl_is_attribute (attributes[i])); + cogl_object_ref (attributes[i]); + } + + for (i = 0; i < primitive->n_attributes; i++) + cogl_object_unref (primitive->attributes[i]); + + /* First try to use the embedded storage assocated with the + * primitive, else fallback to slice allocating separate storage for + * the attribute pointers... */ + + if (n_attributes <= primitive->n_embedded_attributes) + { + if (primitive->attributes != &primitive->embedded_attribute) + g_slice_free1 (sizeof (CoglAttribute *) * primitive->n_attributes, + primitive->attributes); + primitive->attributes = &primitive->embedded_attribute; + } + else + { + if (primitive->attributes != &primitive->embedded_attribute) + g_slice_free1 (sizeof (CoglAttribute *) * primitive->n_attributes, + primitive->attributes); + primitive->attributes = + g_slice_alloc (sizeof (CoglAttribute *) * n_attributes); + } + + memcpy (primitive->attributes, attributes, + sizeof (CoglAttribute *) * n_attributes); + + primitive->n_attributes = n_attributes; +} + +int +cogl_primitive_get_first_vertex (CoglPrimitive *primitive) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_primitive (primitive), 0); + + return primitive->first_vertex; +} + +void +cogl_primitive_set_first_vertex (CoglPrimitive *primitive, + int first_vertex) +{ + _COGL_RETURN_IF_FAIL (cogl_is_primitive (primitive)); + + if (G_UNLIKELY (primitive->immutable_ref)) + { + warn_about_midscene_changes (); + return; + } + + primitive->first_vertex = first_vertex; +} + +int +cogl_primitive_get_n_vertices (CoglPrimitive *primitive) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_primitive (primitive), 0); + + return primitive->n_vertices; +} + +void +cogl_primitive_set_n_vertices (CoglPrimitive *primitive, + int n_vertices) +{ + _COGL_RETURN_IF_FAIL (cogl_is_primitive (primitive)); + + primitive->n_vertices = n_vertices; +} + +CoglVerticesMode +cogl_primitive_get_mode (CoglPrimitive *primitive) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_primitive (primitive), 0); + + return primitive->mode; +} + +void +cogl_primitive_set_mode (CoglPrimitive *primitive, + CoglVerticesMode mode) +{ + _COGL_RETURN_IF_FAIL (cogl_is_primitive (primitive)); + + if (G_UNLIKELY (primitive->immutable_ref)) + { + warn_about_midscene_changes (); + return; + } + + primitive->mode = mode; +} + +void +cogl_primitive_set_indices (CoglPrimitive *primitive, + CoglIndices *indices, + int n_indices) +{ + _COGL_RETURN_IF_FAIL (cogl_is_primitive (primitive)); + + if (G_UNLIKELY (primitive->immutable_ref)) + { + warn_about_midscene_changes (); + return; + } + + if (indices) + cogl_object_ref (indices); + if (primitive->indices) + cogl_object_unref (primitive->indices); + primitive->indices = indices; + primitive->n_vertices = n_indices; +} + +CoglIndices * +cogl_primitive_get_indices (CoglPrimitive *primitive) +{ + return primitive->indices; +} + +CoglPrimitive * +cogl_primitive_copy (CoglPrimitive *primitive) +{ + CoglPrimitive *copy; + + copy = cogl_primitive_new_with_attributes (primitive->mode, + primitive->n_vertices, + primitive->attributes, + primitive->n_attributes); + + cogl_primitive_set_indices (copy, primitive->indices, primitive->n_vertices); + cogl_primitive_set_first_vertex (copy, primitive->first_vertex); + + return copy; +} + +CoglPrimitive * +_cogl_primitive_immutable_ref (CoglPrimitive *primitive) +{ + int i; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_primitive (primitive), NULL); + + primitive->immutable_ref++; + + for (i = 0; i < primitive->n_attributes; i++) + _cogl_attribute_immutable_ref (primitive->attributes[i]); + + return primitive; +} + +void +_cogl_primitive_immutable_unref (CoglPrimitive *primitive) +{ + int i; + + _COGL_RETURN_IF_FAIL (cogl_is_primitive (primitive)); + _COGL_RETURN_IF_FAIL (primitive->immutable_ref > 0); + + primitive->immutable_ref--; + + for (i = 0; i < primitive->n_attributes; i++) + _cogl_attribute_immutable_unref (primitive->attributes[i]); +} + +void +cogl_primitive_foreach_attribute (CoglPrimitive *primitive, + CoglPrimitiveAttributeCallback callback, + void *user_data) +{ + int i; + + for (i = 0; i < primitive->n_attributes; i++) + if (!callback (primitive, primitive->attributes[i], user_data)) + break; +} + +void +_cogl_primitive_draw (CoglPrimitive *primitive, + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglDrawFlags flags) +{ + if (primitive->indices) + _cogl_framebuffer_draw_indexed_attributes (framebuffer, + pipeline, + primitive->mode, + primitive->first_vertex, + primitive->n_vertices, + primitive->indices, + primitive->attributes, + primitive->n_attributes, + flags); + else + _cogl_framebuffer_draw_attributes (framebuffer, + pipeline, + primitive->mode, + primitive->first_vertex, + primitive->n_vertices, + primitive->attributes, + primitive->n_attributes, + flags); +} + +void +cogl_primitive_draw (CoglPrimitive *primitive, + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline) +{ + _cogl_primitive_draw (primitive, framebuffer, pipeline, 0 /* flags */); +} diff --git a/cogl/cogl-primitive.h b/cogl/cogl-primitive.h new file mode 100644 index 0000000..0f20bb5 --- /dev/null +++ b/cogl/cogl-primitive.h @@ -0,0 +1,942 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_PRIMITIVE_H__ +#define __COGL_PRIMITIVE_H__ + +/* We forward declare the CoglPrimitive type here to avoid some circular + * dependency issues with the following headers. + */ +typedef struct _CoglPrimitive CoglPrimitive; + +#include /* for CoglVerticesMode */ +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-primitive + * @short_description: Functions for creating, manipulating and drawing + * primitives + * + * FIXME + */ + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_primitive_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_primitive_get_gtype (void); +#endif + +/** + * CoglVertexP2: + * @x: The x component of a position attribute + * @y: The y component of a position attribute + * + * A convenience vertex definition that can be used with + * cogl_primitive_new_p2(). + * + * Since: 1.6 + * Stability: Unstable + */ +typedef struct { + float x, y; +} CoglVertexP2; + +/** + * CoglVertexP3: + * @x: The x component of a position attribute + * @y: The y component of a position attribute + * @z: The z component of a position attribute + * + * A convenience vertex definition that can be used with + * cogl_primitive_new_p3(). + * + * Since: 1.6 + * Stability: Unstable + */ +typedef struct { + float x, y, z; +} CoglVertexP3; + +/** + * CoglVertexP2C4: + * @x: The x component of a position attribute + * @y: The y component of a position attribute + * @r: The red component of a color attribute + * @b: The green component of a color attribute + * @g: The blue component of a color attribute + * @a: The alpha component of a color attribute + * + * A convenience vertex definition that can be used with + * cogl_primitive_new_p2c4(). + * + * Since: 1.6 + * Stability: Unstable + */ +typedef struct { + float x, y; + uint8_t r, g, b, a; +} CoglVertexP2C4; + +/** + * CoglVertexP3C4: + * @x: The x component of a position attribute + * @y: The y component of a position attribute + * @z: The z component of a position attribute + * @r: The red component of a color attribute + * @b: The green component of a color attribute + * @g: The blue component of a color attribute + * @a: The alpha component of a color attribute + * + * A convenience vertex definition that can be used with + * cogl_primitive_new_p3c4(). + * + * Since: 1.6 + * Stability: Unstable + */ +typedef struct { + float x, y, z; + uint8_t r, g, b, a; +} CoglVertexP3C4; + +/** + * CoglVertexP2T2: + * @x: The x component of a position attribute + * @y: The y component of a position attribute + * @s: The s component of a texture coordinate attribute + * @t: The t component of a texture coordinate attribute + * + * A convenience vertex definition that can be used with + * cogl_primitive_new_p2t2(). + * + * Since: 1.6 + * Stability: Unstable + */ +typedef struct { + float x, y; + float s, t; +} CoglVertexP2T2; + +/** + * CoglVertexP3T2: + * @x: The x component of a position attribute + * @y: The y component of a position attribute + * @z: The z component of a position attribute + * @s: The s component of a texture coordinate attribute + * @t: The t component of a texture coordinate attribute + * + * A convenience vertex definition that can be used with + * cogl_primitive_new_p3t2(). + * + * Since: 1.6 + * Stability: Unstable + */ +typedef struct { + float x, y, z; + float s, t; +} CoglVertexP3T2; + + +/** + * CoglVertexP2T2C4: + * @x: The x component of a position attribute + * @y: The y component of a position attribute + * @s: The s component of a texture coordinate attribute + * @t: The t component of a texture coordinate attribute + * @r: The red component of a color attribute + * @b: The green component of a color attribute + * @g: The blue component of a color attribute + * @a: The alpha component of a color attribute + * + * A convenience vertex definition that can be used with + * cogl_primitive_new_p3t2c4(). + * + * Since: 1.6 + * Stability: Unstable + */ +typedef struct { + float x, y; + float s, t; + uint8_t r, g, b, a; +} CoglVertexP2T2C4; + +/** + * CoglVertexP3T2C4: + * @x: The x component of a position attribute + * @y: The y component of a position attribute + * @z: The z component of a position attribute + * @s: The s component of a texture coordinate attribute + * @t: The t component of a texture coordinate attribute + * @r: The red component of a color attribute + * @b: The green component of a color attribute + * @g: The blue component of a color attribute + * @a: The alpha component of a color attribute + * + * A convenience vertex definition that can be used with + * cogl_primitive_new_p3t2c4(). + * + * Since: 1.6 + * Stability: Unstable + */ +typedef struct { + float x, y, z; + float s, t; + uint8_t r, g, b, a; +} CoglVertexP3T2C4; + +/** + * cogl_primitive_new: + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to process when drawing + * @...: A %NULL terminated list of attributes + * + * Combines a set of #CoglAttributes with a specific draw @mode + * and defines a vertex count so a #CoglPrimitive object can be retained and + * drawn later with no addition information required. + * + * The value passed as @n_vertices will simply update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + * + * Return value: (transfer full): A newly allocated #CoglPrimitive object + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new (CoglVerticesMode mode, + int n_vertices, + ...); + +/** + * cogl_primitive_new_with_attributes: + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to process when drawing + * @attributes: An array of CoglAttribute + * @n_attributes: The number of attributes + * + * Combines a set of #CoglAttributes with a specific draw @mode + * and defines a vertex count so a #CoglPrimitive object can be retained and + * drawn later with no addition information required. + * + * The value passed as @n_vertices will simply update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + * + * Return value: (transfer full): A newly allocated #CoglPrimitive object + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new_with_attributes (CoglVerticesMode mode, + int n_vertices, + CoglAttribute **attributes, + int n_attributes); + +/** + * cogl_primitive_new_p2: + * @context: A #CoglContext + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to read from @data and also + * the number of vertices to read when later drawing. + * @data: (array length=n_vertices): (type Cogl.VertexP2): An array + * of #CoglVertexP2 vertices + * + * Provides a convenient way to describe a primitive, such as a single + * triangle strip or a triangle fan, that will internally allocate the + * necessary #CoglAttributeBuffer storage, describe the position + * attribute with a #CoglAttribute and upload your data. + * + * For example to draw a convex polygon you can do: + * |[ + * CoglVertexP2 triangle[] = + * { + * { 0, 300 }, + * { 150, 0, }, + * { 300, 300 } + * }; + * prim = cogl_primitive_new_p2 (COGL_VERTICES_MODE_TRIANGLE_FAN, + * 3, triangle); + * cogl_primitive_draw (prim); + * ]| + * + * The value passed as @n_vertices is initially used to determine how + * much can be read from @data but it will also be used to update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + + * The primitive API doesn't support drawing with sliced + * textures (since switching between slices implies changing state and + * so that implies multiple primitives need to be submitted). You + * should pass the %COGL_TEXTURE_NO_SLICING flag to all textures that + * might be used while drawing with this API. If your hardware doesn't + * support non-power of two textures (For example you are using GLES + * 1.1) then you will need to make sure your assets are resized to a + * power-of-two size (though they don't have to be square) + * + * Return value: (transfer full): A newly allocated #CoglPrimitive + * with a reference of 1. This can be freed using cogl_object_unref(). + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new_p2 (CoglContext *context, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP2 *data); + +/** + * cogl_primitive_new_p3: + * @context: A #CoglContext + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to read from @data and also + * the number of vertices to read when later drawing. + * @data: (array length=n_vertices): (type Cogl.VertexP3): An array of + * #CoglVertexP3 vertices + * + * Provides a convenient way to describe a primitive, such as a single + * triangle strip or a triangle fan, that will internally allocate the + * necessary #CoglAttributeBuffer storage, describe the position + * attribute with a #CoglAttribute and upload your data. + * + * For example to draw a convex polygon you can do: + * |[ + * CoglVertexP3 triangle[] = + * { + * { 0, 300, 0 }, + * { 150, 0, 0 }, + * { 300, 300, 0 } + * }; + * prim = cogl_primitive_new_p3 (COGL_VERTICES_MODE_TRIANGLE_FAN, + * 3, triangle); + * cogl_primitive_draw (prim); + * ]| + * + * The value passed as @n_vertices is initially used to determine how + * much can be read from @data but it will also be used to update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + + * The primitive API doesn't support drawing with sliced + * textures (since switching between slices implies changing state and + * so that implies multiple primitives need to be submitted). You + * should pass the %COGL_TEXTURE_NO_SLICING flag to all textures that + * might be used while drawing with this API. If your hardware doesn't + * support non-power of two textures (For example you are using GLES + * 1.1) then you will need to make sure your assets are resized to a + * power-of-two size (though they don't have to be square) + * + * Return value: (transfer full): A newly allocated #CoglPrimitive + * with a reference of 1. This can be freed using cogl_object_unref(). + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new_p3 (CoglContext *context, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP3 *data); + +/** + * cogl_primitive_new_p2c4: + * @context: A #CoglContext + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to read from @data and also + * the number of vertices to read when later drawing. + * @data: (array length=n_vertices): (type Cogl.VertexP2C4): An array + * of #CoglVertexP2C4 vertices + * + * Provides a convenient way to describe a primitive, such as a single + * triangle strip or a triangle fan, that will internally allocate the + * necessary #CoglAttributeBuffer storage, describe the position + * and color attributes with #CoglAttributes and upload + * your data. + * + * For example to draw a convex polygon with a linear gradient you + * can do: + * |[ + * CoglVertexP2C4 triangle[] = + * { + * { 0, 300, 0xff, 0x00, 0x00, 0xff }, + * { 150, 0, 0x00, 0xff, 0x00, 0xff }, + * { 300, 300, 0xff, 0x00, 0x00, 0xff } + * }; + * prim = cogl_primitive_new_p2c4 (COGL_VERTICES_MODE_TRIANGLE_FAN, + * 3, triangle); + * cogl_primitive_draw (prim); + * ]| + * + * The value passed as @n_vertices is initially used to determine how + * much can be read from @data but it will also be used to update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + + * The primitive API doesn't support drawing with sliced + * textures (since switching between slices implies changing state and + * so that implies multiple primitives need to be submitted). You + * should pass the %COGL_TEXTURE_NO_SLICING flag to all textures that + * might be used while drawing with this API. If your hardware doesn't + * support non-power of two textures (For example you are using GLES + * 1.1) then you will need to make sure your assets are resized to a + * power-of-two size (though they don't have to be square) + * + * Return value: (transfer full): A newly allocated #CoglPrimitive + * with a reference of 1. This can be freed using cogl_object_unref(). + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new_p2c4 (CoglContext *context, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP2C4 *data); + +/** + * cogl_primitive_new_p3c4: + * @context: A #CoglContext + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to read from @data and also + * the number of vertices to read when later drawing. + * @data: (array length=n_vertices): (type Cogl.VertexP3C4): An array + * of #CoglVertexP3C4 vertices + * + * Provides a convenient way to describe a primitive, such as a single + * triangle strip or a triangle fan, that will internally allocate the + * necessary #CoglAttributeBuffer storage, describe the position + * and color attributes with #CoglAttributes and upload + * your data. + * + * For example to draw a convex polygon with a linear gradient you + * can do: + * |[ + * CoglVertexP3C4 triangle[] = + * { + * { 0, 300, 0, 0xff, 0x00, 0x00, 0xff }, + * { 150, 0, 0, 0x00, 0xff, 0x00, 0xff }, + * { 300, 300, 0, 0xff, 0x00, 0x00, 0xff } + * }; + * prim = cogl_primitive_new_p3c4 (COGL_VERTICES_MODE_TRIANGLE_FAN, + * 3, triangle); + * cogl_primitive_draw (prim); + * ]| + * + * The value passed as @n_vertices is initially used to determine how + * much can be read from @data but it will also be used to update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + + * The primitive API doesn't support drawing with sliced + * textures (since switching between slices implies changing state and + * so that implies multiple primitives need to be submitted). You + * should pass the %COGL_TEXTURE_NO_SLICING flag to all textures that + * might be used while drawing with this API. If your hardware doesn't + * support non-power of two textures (For example you are using GLES + * 1.1) then you will need to make sure your assets are resized to a + * power-of-two size (though they don't have to be square) + * + * Return value: (transfer full): A newly allocated #CoglPrimitive + * with a reference of 1. This can be freed using cogl_object_unref(). + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new_p3c4 (CoglContext *context, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP3C4 *data); + +/** + * cogl_primitive_new_p2t2: + * @context: A #CoglContext + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to read from @data and also + * the number of vertices to read when later drawing. + * @data: (array length=n_vertices): (type Cogl.VertexP2T2): An array + * of #CoglVertexP2T2 vertices + * + * Provides a convenient way to describe a primitive, such as a single + * triangle strip or a triangle fan, that will internally allocate the + * necessary #CoglAttributeBuffer storage, describe the position and + * texture coordinate attributes with #CoglAttributes and + * upload your data. + * + * For example to draw a convex polygon with texture mapping you can + * do: + * |[ + * CoglVertexP2T2 triangle[] = + * { + * { 0, 300, 0.0, 1.0}, + * { 150, 0, 0.5, 0.0}, + * { 300, 300, 1.0, 1.0} + * }; + * prim = cogl_primitive_new_p2t2 (COGL_VERTICES_MODE_TRIANGLE_FAN, + * 3, triangle); + * cogl_primitive_draw (prim); + * ]| + * + * The value passed as @n_vertices is initially used to determine how + * much can be read from @data but it will also be used to update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + + * The primitive API doesn't support drawing with sliced + * textures (since switching between slices implies changing state and + * so that implies multiple primitives need to be submitted). You + * should pass the %COGL_TEXTURE_NO_SLICING flag to all textures that + * might be used while drawing with this API. If your hardware doesn't + * support non-power of two textures (For example you are using GLES + * 1.1) then you will need to make sure your assets are resized to a + * power-of-two size (though they don't have to be square) + * + * Return value: (transfer full): A newly allocated #CoglPrimitive + * with a reference of 1. This can be freed using cogl_object_unref(). + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new_p2t2 (CoglContext *context, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP2T2 *data); + +/** + * cogl_primitive_new_p3t2: + * @context: A #CoglContext + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to read from @data and also + * the number of vertices to read when later drawing. + * @data: (array length=n_vertices): (type Cogl.VertexP3T2): An array + * of #CoglVertexP3T2 vertices + * + * Provides a convenient way to describe a primitive, such as a single + * triangle strip or a triangle fan, that will internally allocate the + * necessary #CoglAttributeBuffer storage, describe the position and + * texture coordinate attributes with #CoglAttributes and + * upload your data. + * + * For example to draw a convex polygon with texture mapping you can + * do: + * |[ + * CoglVertexP3T2 triangle[] = + * { + * { 0, 300, 0, 0.0, 1.0}, + * { 150, 0, 0, 0.5, 0.0}, + * { 300, 300, 0, 1.0, 1.0} + * }; + * prim = cogl_primitive_new_p3t2 (COGL_VERTICES_MODE_TRIANGLE_FAN, + * 3, triangle); + * cogl_primitive_draw (prim); + * ]| + * + * The value passed as @n_vertices is initially used to determine how + * much can be read from @data but it will also be used to update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + + * The primitive API doesn't support drawing with sliced + * textures (since switching between slices implies changing state and + * so that implies multiple primitives need to be submitted). You + * should pass the %COGL_TEXTURE_NO_SLICING flag to all textures that + * might be used while drawing with this API. If your hardware doesn't + * support non-power of two textures (For example you are using GLES + * 1.1) then you will need to make sure your assets are resized to a + * power-of-two size (though they don't have to be square) + * + * Return value: (transfer full): A newly allocated #CoglPrimitive + * with a reference of 1. This can be freed using cogl_object_unref(). + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new_p3t2 (CoglContext *context, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP3T2 *data); + +/** + * cogl_primitive_new_p2t2c4: + * @context: A #CoglContext + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to read from @data and also + * the number of vertices to read when later drawing. + * @data: (array length=n_vertices): (type Cogl.VertexP2T2C4): An + * array of #CoglVertexP2T2C4 vertices + * + * Provides a convenient way to describe a primitive, such as a single + * triangle strip or a triangle fan, that will internally allocate the + * necessary #CoglAttributeBuffer storage, describe the position, texture + * coordinate and color attributes with #CoglAttributes and + * upload your data. + * + * For example to draw a convex polygon with texture mapping and a + * linear gradient you can do: + * |[ + * CoglVertexP2T2C4 triangle[] = + * { + * { 0, 300, 0.0, 1.0, 0xff, 0x00, 0x00, 0xff}, + * { 150, 0, 0.5, 0.0, 0x00, 0xff, 0x00, 0xff}, + * { 300, 300, 1.0, 1.0, 0xff, 0x00, 0x00, 0xff} + * }; + * prim = cogl_primitive_new_p2t2c4 (COGL_VERTICES_MODE_TRIANGLE_FAN, + * 3, triangle); + * cogl_primitive_draw (prim); + * ]| + * + * The value passed as @n_vertices is initially used to determine how + * much can be read from @data but it will also be used to update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + + * The primitive API doesn't support drawing with sliced + * textures (since switching between slices implies changing state and + * so that implies multiple primitives need to be submitted). You + * should pass the %COGL_TEXTURE_NO_SLICING flag to all textures that + * might be used while drawing with this API. If your hardware doesn't + * support non-power of two textures (For example you are using GLES + * 1.1) then you will need to make sure your assets are resized to a + * power-of-two size (though they don't have to be square) + * + * Return value: (transfer full): A newly allocated #CoglPrimitive + * with a reference of 1. This can be freed using cogl_object_unref(). + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new_p2t2c4 (CoglContext *context, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP2T2C4 *data); + +/** + * cogl_primitive_new_p3t2c4: + * @context: A #CoglContext + * @mode: A #CoglVerticesMode defining how to draw the vertices + * @n_vertices: The number of vertices to read from @data and also + * the number of vertices to read when later drawing. + * @data: (array length=n_vertices): (type Cogl.VertexP3T2C4): An + * array of #CoglVertexP3T2C4 vertices + * + * Provides a convenient way to describe a primitive, such as a single + * triangle strip or a triangle fan, that will internally allocate the + * necessary #CoglAttributeBuffer storage, describe the position, texture + * coordinate and color attributes with #CoglAttributes and + * upload your data. + * + * For example to draw a convex polygon with texture mapping and a + * linear gradient you can do: + * |[ + * CoglVertexP3T2C4 triangle[] = + * { + * { 0, 300, 0, 0.0, 1.0, 0xff, 0x00, 0x00, 0xff}, + * { 150, 0, 0, 0.5, 0.0, 0x00, 0xff, 0x00, 0xff}, + * { 300, 300, 0, 1.0, 1.0, 0xff, 0x00, 0x00, 0xff} + * }; + * prim = cogl_primitive_new_p3t2c4 (COGL_VERTICES_MODE_TRIANGLE_FAN, + * 3, triangle); + * cogl_primitive_draw (prim); + * ]| + * + * The value passed as @n_vertices is initially used to determine how + * much can be read from @data but it will also be used to update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to read when drawing. + + * The primitive API doesn't support drawing with sliced + * textures (since switching between slices implies changing state and + * so that implies multiple primitives need to be submitted). You + * should pass the %COGL_TEXTURE_NO_SLICING flag to all textures that + * might be used while drawing with this API. If your hardware doesn't + * support non-power of two textures (For example you are using GLES + * 1.1) then you will need to make sure your assets are resized to a + * power-of-two size (though they don't have to be square) + * + * Return value: (transfer full): A newly allocated #CoglPrimitive + * with a reference of 1. This can be freed using cogl_object_unref(). + * + * Since: 1.6 + * Stability: Unstable + */ +CoglPrimitive * +cogl_primitive_new_p3t2c4 (CoglContext *context, + CoglVerticesMode mode, + int n_vertices, + const CoglVertexP3T2C4 *data); +int +cogl_primitive_get_first_vertex (CoglPrimitive *primitive); + +void +cogl_primitive_set_first_vertex (CoglPrimitive *primitive, + int first_vertex); + +/** + * cogl_primitive_get_n_vertices: + * @primitive: A #CoglPrimitive object + * + * Queries the number of vertices to read when drawing the given + * @primitive. Usually this value is implicitly set when associating + * vertex data or indices with a #CoglPrimitive. + * + * If cogl_primitive_set_indices() has been used to associate a + * sequence of #CoglIndices with the given @primitive then the + * number of vertices to read can also be phrased as the number + * of indices to read. + * + * To be clear; it doesn't refer to the number of vertices - in + * terms of data - associated with the primitive it's just the number + * of vertices to read and draw. + * + * Returns: The number of vertices to read when drawing. + * + * Since: 1.8 + * Stability: unstable + */ +int +cogl_primitive_get_n_vertices (CoglPrimitive *primitive); + +/** + * cogl_primitive_set_n_vertices: + * @primitive: A #CoglPrimitive object + * @n_vertices: The number of vertices to read when drawing. + * + * Specifies how many vertices should be read when drawing the given + * @primitive. + * + * Usually this value is set implicitly when associating vertex data + * or indices with a #CoglPrimitive. + * + * To be clear; it doesn't refer to the number of vertices - in + * terms of data - associated with the primitive it's just the number + * of vertices to read and draw. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_primitive_set_n_vertices (CoglPrimitive *primitive, + int n_vertices); + +CoglVerticesMode +cogl_primitive_get_mode (CoglPrimitive *primitive); + +void +cogl_primitive_set_mode (CoglPrimitive *primitive, + CoglVerticesMode mode); + +/** + * cogl_primitive_set_attributes: + * @primitive: A #CoglPrimitive object + * @attributes: an array of #CoglAttribute pointers + * @n_attributes: the number of elements in @attributes + * + * Replaces all the attributes of the given #CoglPrimitive object. + * + * Since: 1.6 + * Stability: Unstable + */ +void +cogl_primitive_set_attributes (CoglPrimitive *primitive, + CoglAttribute **attributes, + int n_attributes); + +/** + * cogl_primitive_set_indices: + * @primitive: A #CoglPrimitive + * @indices: A #CoglIndices array + * @n_indices: The number of indices to reference when drawing + * + * Associates a sequence of #CoglIndices with the given @primitive. + * + * #CoglIndices provide a way to virtualize your real vertex data by + * providing a sequence of indices that index into your real vertex + * data. The GPU will walk though the index values to indirectly + * lookup the data for each vertex instead of sequentially walking + * through the data directly. This lets you save memory by indexing + * shared data multiple times instead of duplicating the data. + * + * The value passed as @n_indices will simply update the + * #CoglPrimitive n_vertices property as if + * cogl_primitive_set_n_vertices() were called. This property defines + * the number of vertices to draw or, put another way, how many + * indices should be read from @indices when drawing. + * + * The #CoglPrimitive first_vertex property + * also affects drawing with indices by defining the first entry of the + * indices to start drawing from. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_primitive_set_indices (CoglPrimitive *primitive, + CoglIndices *indices, + int n_indices); + +/** + * cogl_primitive_get_indices: + * @primitive: A #CoglPrimitive + * + * Return value: (transfer none): the indices that were set with + * cogl_primitive_set_indices() or %NULL if no indices were set. + * + * Since: 1.10 + * Stability: unstable + */ +CoglIndices * +cogl_primitive_get_indices (CoglPrimitive *primitive); + +/** + * cogl_primitive_copy: + * @primitive: A primitive copy + * + * Makes a copy of an existing #CoglPrimitive. Note that the primitive + * is a shallow copy which means it will use the same attributes and + * attribute buffers as the original primitive. + * + * Return value: (transfer full): the new primitive + * Since: 1.10 + * Stability: unstable + */ +CoglPrimitive * +cogl_primitive_copy (CoglPrimitive *primitive); + +/** + * cogl_is_primitive: + * @object: A #CoglObject + * + * Gets whether the given object references a #CoglPrimitive. + * + * Returns: %TRUE if the @object references a #CoglPrimitive, + * %FALSE otherwise + * + * Since: 1.6 + * Stability: Unstable + */ +CoglBool +cogl_is_primitive (void *object); + +/** + * CoglPrimitiveAttributeCallback: + * @primitive: The #CoglPrimitive whose attributes are being iterated + * @attribute: The #CoglAttribute + * @user_data: The private data passed to cogl_primitive_foreach_attribute() + * + * The callback prototype used with cogl_primitive_foreach_attribute() + * for iterating all the attributes of a #CoglPrimitive. + * + * The function should return TRUE to continue iteration or FALSE to + * stop. + * + * Since: 1.10 + * Stability: Unstable + */ +typedef CoglBool (* CoglPrimitiveAttributeCallback) (CoglPrimitive *primitive, + CoglAttribute *attribute, + void *user_data); + +/** + * cogl_primitive_foreach_attribute: + * @primitive: A #CoglPrimitive object + * @callback: (scope call): A #CoglPrimitiveAttributeCallback to be + * called for each attribute + * @user_data: (closure): Private data that will be passed to the + * callback + * + * Iterates all the attributes of the given #CoglPrimitive. + * + * Since: 1.10 + * Stability: Unstable + */ +void +cogl_primitive_foreach_attribute (CoglPrimitive *primitive, + CoglPrimitiveAttributeCallback callback, + void *user_data); + +/** + * cogl_primitive_draw: + * @primitive: A #CoglPrimitive geometry object + * @framebuffer: A destination #CoglFramebuffer + * @pipeline: A #CoglPipeline state object + * + * Draws the given @primitive geometry to the specified destination + * @framebuffer using the graphics processing state described by @pipeline. + * + * This drawing api doesn't support high-level meta texture types such + * as #CoglTexture2DSliced so it is the user's responsibility to + * ensure that only low-level textures that can be directly sampled by + * a GPU such as #CoglTexture2D, #CoglTextureRectangle or #CoglTexture3D + * are associated with layers of the given @pipeline. + * + * Stability: unstable + * Since: 1.16 + */ +void +cogl_primitive_draw (CoglPrimitive *primitive, + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline); + + +COGL_END_DECLS + +#endif /* __COGL_PRIMITIVE_H__ */ + diff --git a/cogl/cogl-primitives-private.h b/cogl/cogl-primitives-private.h new file mode 100644 index 0000000..10db869 --- /dev/null +++ b/cogl/cogl-primitives-private.h @@ -0,0 +1,67 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_PRIMITIVES_PRIVATE_H +#define __COGL_PRIMITIVES_PRIVATE_H + +#include + +COGL_BEGIN_DECLS + +/* Draws a rectangle without going through the journal so that it will + be flushed immediately. This should only be used in situations + where the code may be called while the journal is already being + flushed. In that case using the journal would go wrong */ +void +_cogl_rectangle_immediate (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + float x_1, + float y_1, + float x_2, + float y_2); + +typedef struct _CoglMultiTexturedRect +{ + const float *position; /* x0,y0,x1,y1 */ + const float *tex_coords; /* (tx0,ty0,tx1,ty1)(tx0,ty0,tx1,ty1)(... */ + int tex_coords_len; /* number of floats in tex_coords? */ +} CoglMultiTexturedRect; + +void +_cogl_framebuffer_draw_multitextured_rectangles ( + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglMultiTexturedRect *rects, + int n_rects, + CoglBool disable_legacy_state); + +COGL_END_DECLS + +#endif /* __COGL_PRIMITIVES_PRIVATE_H */ diff --git a/cogl/cogl-primitives.c b/cogl/cogl-primitives.c new file mode 100644 index 0000000..bfe7735 --- /dev/null +++ b/cogl/cogl-primitives.c @@ -0,0 +1,1148 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-debug.h" +#include "cogl-context-private.h" +#include "cogl-journal-private.h" +#include "cogl-texture-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-vertex-buffer-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-attribute-private.h" +#include "cogl-private.h" +#include "cogl-meta-texture.h" +#include "cogl-framebuffer-private.h" +#include "cogl1-context.h" +#include "cogl-primitives-private.h" + +#include +#include + +#define _COGL_MAX_BEZ_RECURSE_DEPTH 16 + +typedef struct _TextureSlicedQuadState +{ + CoglFramebuffer *framebuffer; + CoglPipeline *pipeline; + CoglTexture *main_texture; + float tex_virtual_origin_x; + float tex_virtual_origin_y; + float quad_origin_x; + float quad_origin_y; + float v_to_q_scale_x; + float v_to_q_scale_y; + float quad_len_x; + float quad_len_y; + CoglBool flipped_x; + CoglBool flipped_y; +} TextureSlicedQuadState; + +typedef struct _TextureSlicedPolygonState +{ + const CoglTextureVertex *vertices; + int n_vertices; + int stride; + CoglAttribute **attributes; +} TextureSlicedPolygonState; + +static void +log_quad_sub_textures_cb (CoglTexture *texture, + const float *subtexture_coords, + const float *virtual_coords, + void *user_data) +{ + TextureSlicedQuadState *state = user_data; + CoglFramebuffer *framebuffer = state->framebuffer; + CoglTexture *texture_override; + float quad_coords[4]; + +#define TEX_VIRTUAL_TO_QUAD(V, Q, AXIS) \ + do { \ + Q = V - state->tex_virtual_origin_##AXIS; \ + Q *= state->v_to_q_scale_##AXIS; \ + if (state->flipped_##AXIS) \ + Q = state->quad_len_##AXIS - Q; \ + Q += state->quad_origin_##AXIS; \ + } while (0); + + TEX_VIRTUAL_TO_QUAD (virtual_coords[0], quad_coords[0], x); + TEX_VIRTUAL_TO_QUAD (virtual_coords[1], quad_coords[1], y); + + TEX_VIRTUAL_TO_QUAD (virtual_coords[2], quad_coords[2], x); + TEX_VIRTUAL_TO_QUAD (virtual_coords[3], quad_coords[3], y); + +#undef TEX_VIRTUAL_TO_QUAD + + COGL_NOTE (DRAW, + "~~~~~ slice\n" + "qx1: %f\t" + "qy1: %f\n" + "qx2: %f\t" + "qy2: %f\n" + "tx1: %f\t" + "ty1: %f\n" + "tx2: %f\t" + "ty2: %f\n", + quad_coords[0], quad_coords[1], + quad_coords[2], quad_coords[3], + subtexture_coords[0], subtexture_coords[1], + subtexture_coords[2], subtexture_coords[3]); + + /* We only need to override the texture if it's different from the + main texture */ + if (texture == state->main_texture) + texture_override = NULL; + else + texture_override = texture; + + _cogl_journal_log_quad (framebuffer->journal, + quad_coords, + state->pipeline, + 1, /* one layer */ + texture_override, /* replace the layer0 texture */ + subtexture_coords, + 4); +} + +typedef struct _ValidateFirstLayerState +{ + CoglPipeline *override_pipeline; +} ValidateFirstLayerState; + +static CoglBool +validate_first_layer_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + ValidateFirstLayerState *state = user_data; + CoglPipelineWrapMode clamp_to_edge = + COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE; + CoglPipelineWrapMode wrap_s; + CoglPipelineWrapMode wrap_t; + + /* We can't use hardware repeat so we need to set clamp to edge + * otherwise it might pull in edge pixels from the other side. By + * default WRAP_MODE_AUTOMATIC becomes CLAMP_TO_EDGE so we only need + * to override if the wrap mode isn't already automatic or + * clamp_to_edge. + */ + wrap_s = cogl_pipeline_get_layer_wrap_mode_s (pipeline, layer_index); + if (wrap_s != COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE && + wrap_s != COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + { + if (!state->override_pipeline) + state->override_pipeline = cogl_pipeline_copy (pipeline); + cogl_pipeline_set_layer_wrap_mode_s (state->override_pipeline, + layer_index, clamp_to_edge); + } + + wrap_t = cogl_pipeline_get_layer_wrap_mode_t (pipeline, layer_index); + if (wrap_t != COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE && + wrap_t != COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + { + if (!state->override_pipeline) + state->override_pipeline = cogl_pipeline_copy (pipeline); + cogl_pipeline_set_layer_wrap_mode_t (state->override_pipeline, + layer_index, clamp_to_edge); + } + + return FALSE; +} + +/* This path doesn't currently support multitexturing but is used for + * CoglTextures that don't support repeating using the GPU so we need to + * manually emit extra geometry to fake the repeating. This includes: + * + * - CoglTexture2DSliced: when made of > 1 slice or if the users given + * texture coordinates require repeating, + * - CoglTexture2DAtlas: if the users given texture coordinates require + * repeating, + * - CoglTextureRectangle: if the users given texture coordinates require + * repeating, + * - CoglTexturePixmap: if the users given texture coordinates require + * repeating + */ +/* TODO: support multitexturing */ +static void +_cogl_texture_quad_multiple_primitives (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglTexture *texture, + int layer_index, + const float *position, + float tx_1, + float ty_1, + float tx_2, + float ty_2) +{ + TextureSlicedQuadState state; + CoglBool tex_virtual_flipped_x; + CoglBool tex_virtual_flipped_y; + CoglBool quad_flipped_x; + CoglBool quad_flipped_y; + ValidateFirstLayerState validate_first_layer_state; + CoglPipelineWrapMode wrap_s, wrap_t; + + wrap_s = cogl_pipeline_get_layer_wrap_mode_s (pipeline, layer_index); + wrap_t = cogl_pipeline_get_layer_wrap_mode_t (pipeline, layer_index); + + validate_first_layer_state.override_pipeline = NULL; + cogl_pipeline_foreach_layer (pipeline, + validate_first_layer_cb, + &validate_first_layer_state); + + state.framebuffer = framebuffer; + state.main_texture = texture; + + if (validate_first_layer_state.override_pipeline) + state.pipeline = validate_first_layer_state.override_pipeline; + else + state.pipeline = pipeline; + + /* Get together the data we need to transform the virtual texture + * coordinates of each slice into quad coordinates... + * + * NB: We need to consider that the quad coordinates and the texture + * coordinates may be inverted along the x or y axis, and must preserve the + * inversions when we emit the final geometry. + */ + +#define X0 0 +#define Y0 1 +#define X1 2 +#define Y1 3 + + tex_virtual_flipped_x = (tx_1 > tx_2) ? TRUE : FALSE; + tex_virtual_flipped_y = (ty_1 > ty_2) ? TRUE : FALSE; + state.tex_virtual_origin_x = tex_virtual_flipped_x ? tx_2 : tx_1; + state.tex_virtual_origin_y = tex_virtual_flipped_y ? ty_2 : ty_1; + + quad_flipped_x = (position[X0] > position[X1]) ? TRUE : FALSE; + quad_flipped_y = (position[Y0] > position[Y1]) ? TRUE : FALSE; + state.quad_origin_x = quad_flipped_x ? position[X1] : position[X0]; + state.quad_origin_y = quad_flipped_y ? position[Y1] : position[Y0]; + + /* flatten the two forms of coordinate inversion into one... */ + state.flipped_x = tex_virtual_flipped_x ^ quad_flipped_x; + state.flipped_y = tex_virtual_flipped_y ^ quad_flipped_y; + + /* We use the _len_AXIS naming here instead of _width and _height because + * log_quad_slice_cb uses a macro with symbol concatenation to handle both + * axis, so this is more convenient... */ + state.quad_len_x = fabs (position[X1] - position[X0]); + state.quad_len_y = fabs (position[Y1] - position[Y0]); + +#undef X0 +#undef Y0 +#undef X1 +#undef Y1 + + state.v_to_q_scale_x = fabs (state.quad_len_x / (tx_2 - tx_1)); + state.v_to_q_scale_y = fabs (state.quad_len_y / (ty_2 - ty_1)); + + /* For backwards compatablity the default wrap mode for cogl_rectangle() is + * _REPEAT... */ + if (wrap_s == COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + wrap_s = COGL_PIPELINE_WRAP_MODE_REPEAT; + if (wrap_t == COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + wrap_t = COGL_PIPELINE_WRAP_MODE_REPEAT; + + cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (texture), + tx_1, ty_1, tx_2, ty_2, + wrap_s, + wrap_t, + log_quad_sub_textures_cb, + &state); + + if (validate_first_layer_state.override_pipeline) + cogl_object_unref (validate_first_layer_state.override_pipeline); +} + +typedef struct _ValidateTexCoordsState +{ + int i; + int n_layers; + const float *user_tex_coords; + int user_tex_coords_len; + float *final_tex_coords; + CoglPipeline *override_pipeline; + CoglBool needs_multiple_primitives; +} ValidateTexCoordsState; + +/* + * Validate the texture coordinates for this rectangle. + */ +static CoglBool +validate_tex_coords_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + ValidateTexCoordsState *state = user_data; + CoglTexture *texture; + const float *in_tex_coords; + float *out_tex_coords; + float default_tex_coords[4] = {0.0, 0.0, 1.0, 1.0}; + CoglTransformResult transform_result; + + state->i++; + + /* FIXME: we should be able to avoid this copying when no + * transform is required by the texture backend and the user + * has supplied enough coordinates for all the layers. + */ + + /* If the user didn't supply texture coordinates for this layer + then use the default coords */ + if (state->i >= state->user_tex_coords_len / 4) + in_tex_coords = default_tex_coords; + else + in_tex_coords = &state->user_tex_coords[state->i * 4]; + + out_tex_coords = &state->final_tex_coords[state->i * 4]; + + memcpy (out_tex_coords, in_tex_coords, sizeof (float) * 4); + + texture = cogl_pipeline_get_layer_texture (pipeline, layer_index); + + /* NB: NULL textures are handled by _cogl_pipeline_flush_gl_state */ + if (!texture) + return TRUE; + + /* Convert the texture coordinates to GL. + */ + transform_result = + _cogl_texture_transform_quad_coords_to_gl (texture, + out_tex_coords); + /* If the texture has waste or we are using GL_TEXTURE_RECT we + * can't handle texture repeating so we can't use the layer if + * repeating is required. + * + * NB: We already know that no texture matrix is being used if the + * texture doesn't support hardware repeat. + */ + if (transform_result == COGL_TRANSFORM_SOFTWARE_REPEAT) + { + if (state->i == 0) + { + if (state->n_layers > 1) + { + static CoglBool warning_seen = FALSE; + if (!warning_seen) + g_warning ("Skipping layers 1..n of your material since " + "the first layer doesn't support hardware " + "repeat (e.g. because of waste or use of " + "GL_TEXTURE_RECTANGLE_ARB) and you supplied " + "texture coordinates outside the range [0,1]." + "Falling back to software repeat assuming " + "layer 0 is the most important one keep"); + warning_seen = TRUE; + } + + if (state->override_pipeline) + cogl_object_unref (state->override_pipeline); + state->needs_multiple_primitives = TRUE; + return FALSE; + } + else + { + static CoglBool warning_seen = FALSE; + if (!warning_seen) + g_warning ("Skipping layer %d of your material " + "since you have supplied texture coords " + "outside the range [0,1] but the texture " + "doesn't support hardware repeat (e.g. " + "because of waste or use of " + "GL_TEXTURE_RECTANGLE_ARB). This isn't " + "supported with multi-texturing.", state->i); + warning_seen = TRUE; + + cogl_pipeline_set_layer_texture (pipeline, layer_index, NULL); + } + } + + /* By default WRAP_MODE_AUTOMATIC becomes to CLAMP_TO_EDGE. If + the texture coordinates need repeating then we'll override + this to GL_REPEAT. Otherwise we'll leave it at CLAMP_TO_EDGE + so that it won't blend in pixels from the opposite side when + the full texture is drawn with GL_LINEAR filter mode */ + if (transform_result == COGL_TRANSFORM_HARDWARE_REPEAT) + { + if (cogl_pipeline_get_layer_wrap_mode_s (pipeline, layer_index) == + COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + { + if (!state->override_pipeline) + state->override_pipeline = cogl_pipeline_copy (pipeline); + cogl_pipeline_set_layer_wrap_mode_s (state->override_pipeline, + layer_index, + COGL_PIPELINE_WRAP_MODE_REPEAT); + } + if (cogl_pipeline_get_layer_wrap_mode_t (pipeline, layer_index) == + COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + { + if (!state->override_pipeline) + state->override_pipeline = cogl_pipeline_copy (pipeline); + cogl_pipeline_set_layer_wrap_mode_t (state->override_pipeline, + layer_index, + COGL_PIPELINE_WRAP_MODE_REPEAT); + } + } + + return TRUE; +} + +/* This path supports multitexturing but only when each of the layers is + * handled with a single GL texture. Also if repeating is necessary then + * _cogl_texture_can_hardware_repeat() must return TRUE. + * This includes layers made from: + * + * - CoglTexture2DSliced: if only comprised of a single slice with optional + * waste, assuming the users given texture coordinates don't require + * repeating. + * - CoglTexture{1D,2D,3D}: always. + * - CoglTexture2DAtlas: assuming the users given texture coordinates don't + * require repeating. + * - CoglTextureRectangle: assuming the users given texture coordinates don't + * require repeating. + * - CoglTexturePixmap: assuming the users given texture coordinates don't + * require repeating. + */ +static CoglBool +_cogl_multitexture_quad_single_primitive (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + const float *position, + const float *user_tex_coords, + int user_tex_coords_len) +{ + int n_layers = cogl_pipeline_get_n_layers (pipeline); + ValidateTexCoordsState state; + float *final_tex_coords = alloca (sizeof (float) * 4 * n_layers); + + state.i = -1; + state.n_layers = n_layers; + state.user_tex_coords = user_tex_coords; + state.user_tex_coords_len = user_tex_coords_len; + state.final_tex_coords = final_tex_coords; + state.override_pipeline = NULL; + state.needs_multiple_primitives = FALSE; + + cogl_pipeline_foreach_layer (pipeline, + validate_tex_coords_cb, + &state); + + if (state.needs_multiple_primitives) + return FALSE; + + if (state.override_pipeline) + pipeline = state.override_pipeline; + + _cogl_journal_log_quad (framebuffer->journal, + position, + pipeline, + n_layers, + NULL, /* no texture override */ + final_tex_coords, + n_layers * 4); + + if (state.override_pipeline) + cogl_object_unref (state.override_pipeline); + + return TRUE; +} + +typedef struct _ValidateLayerState +{ + CoglContext *ctx; + int i; + int first_layer; + CoglPipeline *override_source; + CoglBool all_use_sliced_quad_fallback; +} ValidateLayerState; + +static CoglBool +_cogl_rectangles_validate_layer_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + ValidateLayerState *state = user_data; + CoglTexture *texture; + + state->i++; + + /* We need to ensure the mipmaps are ready before deciding + * anything else about the texture because the texture storage + * could completely change if it needs to be migrated out of the + * atlas and will affect how we validate the layer. + * + * FIXME: this needs to be generalized. There could be any + * number of things that might require a shuffling of the + * underlying texture storage. We could add two mechanisms to + * generalize this a bit... + * + * 1) add a _cogl_pipeline_layer_update_storage() function that + * would for instance consider if mipmapping is necessary and + * potentially migrate the texture from an atlas. + * + * 2) allow setting of transient primitive-flags on a pipeline + * that may affect the outcome of _update_storage(). One flag + * could indicate that we expect to sample beyond the bounds of + * the texture border. + * + * flags = COGL_PIPELINE_PRIMITIVE_FLAG_VALID_BORDERS; + * _cogl_pipeline_layer_assert_primitive_flags (layer, flags) + * _cogl_pipeline_layer_update_storage (layer) + * enqueue primitive in journal + * + * when the primitive is dequeued and drawn we should: + * _cogl_pipeline_flush_gl_state (pipeline) + * draw primitive + * _cogl_pipeline_unassert_primitive_flags (layer, flags); + * + * _cogl_pipeline_layer_update_storage should take into + * consideration all the asserted primitive requirements. (E.g. + * there could be multiple primitives in the journal - or in a + * renderlist in the future - that need mipmaps or that need + * valid contents beyond their borders (for cogl_polygon) + * meaning they can't work with textures in an atas, so + * _cogl_pipeline_layer_update_storage would pass on these + * requirements to the texture atlas backend which would make + * sure the referenced texture is migrated out of the atlas and + * mipmaps are generated.) + */ + _cogl_pipeline_pre_paint_for_layer (pipeline, layer_index); + + texture = cogl_pipeline_get_layer_texture (pipeline, layer_index); + + /* NULL textures are handled by + * _cogl_pipeline_flush_gl_state */ + if (texture == NULL) + return TRUE; + + if (state->i == 0) + state->first_layer = layer_index; + + /* XXX: + * For now, if the first layer is sliced then all other layers are + * ignored since we currently don't support multi-texturing with + * sliced textures. If the first layer is not sliced then any other + * layers found to be sliced will be skipped. (with a warning) + * + * TODO: Add support for multi-texturing rectangles with sliced + * textures if no texture matrices are in use. + */ + if (cogl_texture_is_sliced (texture)) + { + if (state->i == 0) + { + if (cogl_pipeline_get_n_layers (pipeline) > 1) + { + static CoglBool warning_seen = FALSE; + + if (!state->override_source) + state->override_source = cogl_pipeline_copy (pipeline); + _cogl_pipeline_prune_to_n_layers (state->override_source, 1); + + if (!warning_seen) + g_warning ("Skipping layers 1..n of your pipeline since " + "the first layer is sliced. We don't currently " + "support any multi-texturing with sliced " + "textures but assume layer 0 is the most " + "important to keep"); + warning_seen = TRUE; + } + + state->all_use_sliced_quad_fallback = TRUE; + + return FALSE; + } + else + { + static CoglBool warning_seen = FALSE; + CoglTexture2D *tex_2d; + + if (!warning_seen) + g_warning ("Skipping layer %d of your pipeline consisting of " + "a sliced texture (unsuported for multi texturing)", + state->i); + warning_seen = TRUE; + + /* Note: currently only 2D textures can be sliced. */ + tex_2d = state->ctx->default_gl_texture_2d_tex; + cogl_pipeline_set_layer_texture (pipeline, layer_index, + COGL_TEXTURE (tex_2d)); + return TRUE; + } + } + +#ifdef COGL_ENABLE_DEBUG + /* If the texture can't be repeated with the GPU (e.g. because it has + * waste or if using GL_TEXTURE_RECTANGLE_ARB) then if a texture matrix + * is also in use we don't know if the result will end up trying + * to texture from the waste area. + * + * Note: we check can_hardware_repeat() first since it's cheaper. + * + * Note: cases where the texture coordinates will require repeating + * will be caught by later validation. + */ + if (!_cogl_texture_can_hardware_repeat (texture) && + _cogl_pipeline_layer_has_user_matrix (pipeline, layer_index)) + { + static CoglBool warning_seen = FALSE; + if (!warning_seen) + g_warning ("layer %d of your pipeline uses a custom " + "texture matrix but because the texture doesn't " + "support hardware repeating you may see artefacts " + "due to sampling beyond the texture's bounds.", + state->i); + warning_seen = TRUE; + } +#endif + + return TRUE; +} + +void +_cogl_framebuffer_draw_multitextured_rectangles ( + CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglMultiTexturedRect *rects, + int n_rects, + CoglBool disable_legacy_state) +{ + CoglContext *ctx = framebuffer->context; + CoglPipeline *original_pipeline; + ValidateLayerState state; + int i; + + original_pipeline = pipeline; + + /* + * Validate all the layers of the current source pipeline... + */ + state.ctx = ctx; + state.i = -1; + state.first_layer = 0; + state.override_source = NULL; + state.all_use_sliced_quad_fallback = FALSE; + cogl_pipeline_foreach_layer (pipeline, + _cogl_rectangles_validate_layer_cb, + &state); + + if (state.override_source) + pipeline = state.override_source; + + if (!disable_legacy_state) + { + if (G_UNLIKELY (ctx->legacy_state_set) && + _cogl_get_enable_legacy_state ()) + { + /* If we haven't already made a pipeline copy */ + if (pipeline == original_pipeline) + pipeline = cogl_pipeline_copy (pipeline); + _cogl_pipeline_apply_legacy_state (pipeline); + } + } + + /* + * Emit geometry for each of the rectangles... + */ + + for (i = 0; i < n_rects; i++) + { + CoglTexture *texture; + const float default_tex_coords[4] = {0.0, 0.0, 1.0, 1.0}; + const float *tex_coords; + + if (!state.all_use_sliced_quad_fallback) + { + CoglBool success = + _cogl_multitexture_quad_single_primitive (framebuffer, + pipeline, + rects[i].position, + rects[i].tex_coords, + rects[i].tex_coords_len); + + /* NB: If _cogl_multitexture_quad_single_primitive fails then it + * means the user tried to use texture repeat with a texture that + * can't be repeated by the GPU (e.g. due to waste or use of + * GL_TEXTURE_RECTANGLE_ARB) */ + if (success) + continue; + } + + /* If multitexturing failed or we are drawing with a sliced texture + * then we only support a single layer so we pluck out the texture + * from the first pipeline layer... */ + texture = cogl_pipeline_get_layer_texture (pipeline, state.first_layer); + + if (rects[i].tex_coords) + tex_coords = rects[i].tex_coords; + else + tex_coords = default_tex_coords; + + COGL_NOTE (DRAW, "Drawing Tex Quad (Multi-Prim Mode)"); + + _cogl_texture_quad_multiple_primitives (framebuffer, + pipeline, + texture, + state.first_layer, + rects[i].position, + tex_coords[0], + tex_coords[1], + tex_coords[2], + tex_coords[3]); + } + + if (pipeline != original_pipeline) + cogl_object_unref (pipeline); +} + +static void +_cogl_rectangles_with_multitexture_coords ( + CoglMultiTexturedRect *rects, + int n_rects) +{ + _cogl_framebuffer_draw_multitextured_rectangles (cogl_get_draw_framebuffer (), + cogl_get_source (), + rects, + n_rects, + FALSE); +} + +void +cogl_rectangles (const float *verts, + unsigned int n_rects) +{ + CoglMultiTexturedRect *rects; + int i; + + /* XXX: All the cogl_rectangle* APIs normalize their input into an array of + * CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_rectangles_with_multitexture_coords. + */ + + rects = g_alloca (n_rects * sizeof (CoglMultiTexturedRect)); + + for (i = 0; i < n_rects; i++) + { + rects[i].position = &verts[i * 4]; + rects[i].tex_coords = NULL; + rects[i].tex_coords_len = 0; + } + + _cogl_rectangles_with_multitexture_coords (rects, n_rects); +} + +void +cogl_rectangles_with_texture_coords (const float *verts, + unsigned int n_rects) +{ + CoglMultiTexturedRect *rects; + int i; + + /* XXX: All the cogl_rectangle* APIs normalize their input into an array of + * CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_rectangles_with_multitexture_coords. + */ + + rects = g_alloca (n_rects * sizeof (CoglMultiTexturedRect)); + + for (i = 0; i < n_rects; i++) + { + rects[i].position = &verts[i * 8]; + rects[i].tex_coords = &verts[i * 8 + 4]; + rects[i].tex_coords_len = 4; + } + + _cogl_rectangles_with_multitexture_coords (rects, n_rects); +} + +void +cogl_rectangle_with_texture_coords (float x_1, + float y_1, + float x_2, + float y_2, + float tx_1, + float ty_1, + float tx_2, + float ty_2) +{ + const float position[4] = {x_1, y_1, x_2, y_2}; + const float tex_coords[4] = {tx_1, ty_1, tx_2, ty_2}; + CoglMultiTexturedRect rect; + + /* XXX: All the cogl_rectangle* APIs normalize their input into an array of + * CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_rectangles_with_multitexture_coords. + */ + + rect.position = position; + rect.tex_coords = tex_coords; + rect.tex_coords_len = 4; + + _cogl_rectangles_with_multitexture_coords (&rect, 1); +} + +void +cogl_rectangle_with_multitexture_coords (float x_1, + float y_1, + float x_2, + float y_2, + const float *user_tex_coords, + int user_tex_coords_len) +{ + const float position[4] = {x_1, y_1, x_2, y_2}; + CoglMultiTexturedRect rect; + + /* XXX: All the cogl_rectangle* APIs normalize their input into an array of + * CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_rectangles_with_multitexture_coords. + */ + + rect.position = position; + rect.tex_coords = user_tex_coords; + rect.tex_coords_len = user_tex_coords_len; + + _cogl_rectangles_with_multitexture_coords (&rect, 1); +} + +void +cogl_rectangle (float x_1, + float y_1, + float x_2, + float y_2) +{ + const float position[4] = {x_1, y_1, x_2, y_2}; + CoglMultiTexturedRect rect; + + /* XXX: All the cogl_rectangle* APIs normalize their input into an array of + * CoglMultiTexturedRect rectangles and pass these on to our work horse; + * _cogl_rectangles_with_multitexture_coords. + */ + + rect.position = position; + rect.tex_coords = NULL; + rect.tex_coords_len = 0; + + _cogl_rectangles_with_multitexture_coords (&rect, 1); +} + +void +_cogl_rectangle_immediate (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + float x_1, + float y_1, + float x_2, + float y_2) +{ + /* Draw a rectangle using the vertex array API to avoid going + through the journal. This should only be used in cases where the + code might be called while the journal is already being flushed + such as when flushing the clip state */ + CoglContext *ctx = framebuffer->context; + float vertices[8] = + { + x_1, y_1, + x_1, y_2, + x_2, y_1, + x_2, y_2 + }; + CoglAttributeBuffer *attribute_buffer; + CoglAttribute *attributes[1]; + + attribute_buffer = + cogl_attribute_buffer_new (ctx, sizeof (vertices), vertices); + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + sizeof (float) * 2, /* stride */ + 0, /* offset */ + 2, /* n_components */ + COGL_ATTRIBUTE_TYPE_FLOAT); + + _cogl_framebuffer_draw_attributes (framebuffer, + pipeline, + COGL_VERTICES_MODE_TRIANGLE_STRIP, + 0, /* first_index */ + 4, /* n_vertices */ + attributes, + 1, + COGL_DRAW_SKIP_JOURNAL_FLUSH | + COGL_DRAW_SKIP_PIPELINE_VALIDATION | + COGL_DRAW_SKIP_FRAMEBUFFER_FLUSH | + COGL_DRAW_SKIP_LEGACY_STATE); + + + cogl_object_unref (attributes[0]); + cogl_object_unref (attribute_buffer); +} + +typedef struct _AppendTexCoordsState +{ + const CoglTextureVertex *vertices_in; + int vertex; + int layer; + float *vertices_out; +} AppendTexCoordsState; + +static CoglBool +append_tex_coord_attributes_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + AppendTexCoordsState *state = user_data; + CoglTexture *texture; + float tx, ty; + float *t; + + tx = state->vertices_in[state->vertex].tx; + ty = state->vertices_in[state->vertex].ty; + + /* NULL textures will be handled in + * _cogl_pipeline_flush_layers_gl_state but there is no need to worry + * about scaling texture coordinates in this case */ + texture = cogl_pipeline_get_layer_texture (pipeline, layer_index); + if (texture != NULL) + _cogl_texture_transform_coords_to_gl (texture, &tx, &ty); + + /* NB: [X,Y,Z,TX,TY...,R,G,B,A,...] */ + t = state->vertices_out + 3 + 2 * state->layer; + t[0] = tx; + t[1] = ty; + + state->layer++; + + return TRUE; +} + +typedef struct _ValidateState +{ + CoglPipeline *original_pipeline; + CoglPipeline *pipeline; +} ValidateState; + +static CoglBool +_cogl_polygon_validate_layer_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + ValidateState *state = user_data; + + /* By default COGL_PIPELINE_WRAP_MODE_AUTOMATIC becomes + * GL_CLAMP_TO_EDGE but we want the polygon API to use GL_REPEAT to + * maintain compatibility with previous releases + */ + + if (cogl_pipeline_get_layer_wrap_mode_s (pipeline, layer_index) == + COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + { + if (state->original_pipeline == state->pipeline) + state->pipeline = cogl_pipeline_copy (pipeline); + + cogl_pipeline_set_layer_wrap_mode_s (state->pipeline, layer_index, + COGL_PIPELINE_WRAP_MODE_REPEAT); + } + + if (cogl_pipeline_get_layer_wrap_mode_t (pipeline, layer_index) == + COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + { + if (state->original_pipeline == state->pipeline) + state->pipeline = cogl_pipeline_copy (pipeline); + + cogl_pipeline_set_layer_wrap_mode_t (state->pipeline, layer_index, + COGL_PIPELINE_WRAP_MODE_REPEAT); + } + + return TRUE; +} + +void +cogl_polygon (const CoglTextureVertex *vertices, + unsigned int n_vertices, + CoglBool use_color) +{ + CoglPipeline *pipeline; + ValidateState validate_state; + int n_layers; + int n_attributes; + CoglAttribute **attributes; + int i; + unsigned int stride; + size_t stride_bytes; + CoglAttributeBuffer *attribute_buffer; + float *v; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + pipeline = cogl_get_source (); + + validate_state.original_pipeline = pipeline; + validate_state.pipeline = pipeline; + cogl_pipeline_foreach_layer (pipeline, + _cogl_polygon_validate_layer_cb, + &validate_state); + pipeline = validate_state.pipeline; + + n_layers = cogl_pipeline_get_n_layers (pipeline); + + n_attributes = 1 + n_layers + (use_color ? 1 : 0); + attributes = g_alloca (sizeof (CoglAttribute *) * n_attributes); + + /* Our data is arranged like: + * [X, Y, Z, TX0, TY0, TX1, TY1..., R, G, B, A,...] */ + stride = 3 + (2 * n_layers) + (use_color ? 1 : 0); + stride_bytes = stride * sizeof (float); + + /* Make sure there is enough space in the global vertex array. This + * is used so we can render the polygon with a single call to OpenGL + * but still support any number of vertices */ + g_array_set_size (ctx->polygon_vertices, n_vertices * stride); + + attribute_buffer = + cogl_attribute_buffer_new (ctx, n_vertices * stride_bytes, NULL); + + attributes[0] = cogl_attribute_new (attribute_buffer, + "cogl_position_in", + stride_bytes, + 0, + 3, + COGL_ATTRIBUTE_TYPE_FLOAT); + + for (i = 0; i < n_layers; i++) + { + static const char *names[] = { + "cogl_tex_coord0_in", + "cogl_tex_coord1_in", + "cogl_tex_coord2_in", + "cogl_tex_coord3_in", + "cogl_tex_coord4_in", + "cogl_tex_coord5_in", + "cogl_tex_coord6_in", + "cogl_tex_coord7_in" + }; + char *allocated_name = NULL; + const char *name; + + if (i < 8) + name = names[i]; + else + name = allocated_name = g_strdup_printf ("cogl_tex_coord%d_in", i); + + attributes[i + 1] = cogl_attribute_new (attribute_buffer, + name, + stride_bytes, + /* NB: [X,Y,Z,TX,TY...,R,G,B,A,...] */ + 12 + 8 * i, + 2, + COGL_ATTRIBUTE_TYPE_FLOAT); + + g_free (allocated_name); + } + + if (use_color) + { + attributes[n_attributes - 1] = + cogl_attribute_new (attribute_buffer, + "cogl_color_in", + stride_bytes, + /* NB: [X,Y,Z,TX,TY...,R,G,B,A,...] */ + 12 + 8 * n_layers, + 4, + COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE); + } + + /* Convert the vertices into an array of float vertex attributes */ + v = (float *)ctx->polygon_vertices->data; + for (i = 0; i < n_vertices; i++) + { + AppendTexCoordsState append_tex_coords_state; + uint8_t *c; + + /* NB: [X,Y,Z,TX,TY...,R,G,B,A,...] */ + v[0] = vertices[i].x; + v[1] = vertices[i].y; + v[2] = vertices[i].z; + + append_tex_coords_state.vertices_in = vertices; + append_tex_coords_state.vertex = i; + append_tex_coords_state.layer = 0; + append_tex_coords_state.vertices_out = v; + cogl_pipeline_foreach_layer (pipeline, + append_tex_coord_attributes_cb, + &append_tex_coords_state); + + if (use_color) + { + /* NB: [X,Y,Z,TX,TY...,R,G,B,A,...] */ + c = (uint8_t *) (v + 3 + 2 * n_layers); + c[0] = cogl_color_get_red_byte (&vertices[i].color); + c[1] = cogl_color_get_green_byte (&vertices[i].color); + c[2] = cogl_color_get_blue_byte (&vertices[i].color); + c[3] = cogl_color_get_alpha_byte (&vertices[i].color); + } + + v += stride; + } + + v = (float *)ctx->polygon_vertices->data; + cogl_buffer_set_data (COGL_BUFFER (attribute_buffer), + 0, + v, + ctx->polygon_vertices->len * sizeof (float)); + + /* XXX: although this may seem redundant, we need to do this since + * cogl_polygon() can be used with legacy state and its the source stack + * which track whether legacy state is enabled. + * + * (We only have a CoglDrawFlag to disable legacy state not one + * to enable it) */ + cogl_push_source (pipeline); + + _cogl_framebuffer_draw_attributes (cogl_get_draw_framebuffer (), + pipeline, + COGL_VERTICES_MODE_TRIANGLE_FAN, + 0, n_vertices, + attributes, + n_attributes, + 0 /* no draw flags */); + + cogl_pop_source (); + + if (pipeline != validate_state.original_pipeline) + cogl_object_unref (pipeline); + + cogl_object_unref (attribute_buffer); + + for (i = 0; i < n_attributes; i++) + cogl_object_unref (attributes[i]); +} diff --git a/cogl/cogl-primitives.h b/cogl/cogl-primitives.h new file mode 100644 index 0000000..0c9211e --- /dev/null +++ b/cogl/cogl-primitives.h @@ -0,0 +1,197 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_PRIMITIVES_H +#define __COGL_PRIMITIVES_H + +#include + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-primitives + * @short_description: Functions that draw various primitive 3D shapes + * + * The primitives API provides utilities for drawing some + * common 3D shapes in a more convenient way than the CoglVertexBuffer + * API provides. + */ + +/** + * cogl_rectangle: + * @x_1: X coordinate of the top-left corner + * @y_1: Y coordinate of the top-left corner + * @x_2: X coordinate of the bottom-right corner + * @y_2: Y coordinate of the bottom-right corner + * + * Fills a rectangle at the given coordinates with the current source material + **/ +void +cogl_rectangle (float x_1, + float y_1, + float x_2, + float y_2); + +/** + * cogl_rectangle_with_texture_coords: + * @x1: x coordinate upper left on screen. + * @y1: y coordinate upper left on screen. + * @x2: x coordinate lower right on screen. + * @y2: y coordinate lower right on screen. + * @tx1: x part of texture coordinate to use for upper left pixel + * @ty1: y part of texture coordinate to use for upper left pixel + * @tx2: x part of texture coordinate to use for lower right pixel + * @ty2: y part of texture coordinate to use for left pixel + * + * Draw a rectangle using the current material and supply texture coordinates + * to be used for the first texture layer of the material. To draw the entire + * texture pass in @tx1=0.0 @ty1=0.0 @tx2=1.0 @ty2=1.0. + * + * Since: 1.0 + */ +void +cogl_rectangle_with_texture_coords (float x1, + float y1, + float x2, + float y2, + float tx1, + float ty1, + float tx2, + float ty2); + +/** + * cogl_rectangle_with_multitexture_coords: + * @x1: x coordinate upper left on screen. + * @y1: y coordinate upper left on screen. + * @x2: x coordinate lower right on screen. + * @y2: y coordinate lower right on screen. + * @tex_coords: (in) (array) (transfer none): An array containing groups of + * 4 float values: [tx1, ty1, tx2, ty2] that are interpreted as two texture + * coordinates; one for the upper left texel, and one for the lower right + * texel. Each value should be between 0.0 and 1.0, where the coordinate + * (0.0, 0.0) represents the top left of the texture, and (1.0, 1.0) the + * bottom right. + * @tex_coords_len: The length of the tex_coords array. (e.g. for one layer + * and one group of texture coordinates, this would be 4) + * + * This function draws a rectangle using the current source material to + * texture or fill with. As a material may contain multiple texture layers + * this interface lets you supply texture coordinates for each layer of the + * material. + * + * The first pair of coordinates are for the first layer (with the smallest + * layer index) and if you supply less texture coordinates than there are + * layers in the current source material then default texture coordinates + * (0.0, 0.0, 1.0, 1.0) are generated. + * + * Since: 1.0 + */ +void +cogl_rectangle_with_multitexture_coords (float x1, + float y1, + float x2, + float y2, + const float *tex_coords, + int tex_coords_len); + +/** + * cogl_rectangles_with_texture_coords: + * @verts: (in) (array) (transfer none): an array of vertices + * @n_rects: number of rectangles to draw + * + * Draws a series of rectangles in the same way that + * cogl_rectangle_with_texture_coords() does. In some situations it can give a + * significant performance boost to use this function rather than + * calling cogl_rectangle_with_texture_coords() separately for each rectangle. + * + * @verts should point to an array of #floats with + * @n_rects * 8 elements. Each group of 8 values corresponds to the + * parameters x1, y1, x2, y2, tx1, ty1, tx2 and ty2 and have the same + * meaning as in cogl_rectangle_with_texture_coords(). + * + * Since: 0.8.6 + */ +void +cogl_rectangles_with_texture_coords (const float *verts, + unsigned int n_rects); + +/** + * cogl_rectangles: + * @verts: (in) (array) (transfer none): an array of vertices + * @n_rects: number of rectangles to draw + * + * Draws a series of rectangles in the same way that + * cogl_rectangle() does. In some situations it can give a + * significant performance boost to use this function rather than + * calling cogl_rectangle() separately for each rectangle. + * + * @verts should point to an array of #floats with + * @n_rects * 4 elements. Each group of 4 values corresponds to the + * parameters x1, y1, x2, and y2, and have the same + * meaning as in cogl_rectangle(). + * + * Since: 1.0 + */ +void +cogl_rectangles (const float *verts, + unsigned int n_rects); + +/** + * cogl_polygon: + * @vertices: An array of #CoglTextureVertex structs + * @n_vertices: The length of the vertices array + * @use_color: %TRUE if the color member of #CoglTextureVertex should be used + * + * Draws a convex polygon using the current source material to fill / texture + * with according to the texture coordinates passed. + * + * If @use_color is %TRUE then the color will be changed for each vertex using + * the value specified in the color member of #CoglTextureVertex. This can be + * used for example to make the texture fade out by setting the alpha value of + * the color. + * + * All of the texture coordinates must be in the range [0,1] and repeating the + * texture is not supported. + * + * Because of the way this function is implemented it will currently + * only work if either the texture is not sliced or the backend is not + * OpenGL ES and the minifying and magnifying functions are both set + * to COGL_MATERIAL_FILTER_NEAREST. + * + * Since: 1.0 + */ +void +cogl_polygon (const CoglTextureVertex *vertices, + unsigned int n_vertices, + CoglBool use_color); + +COGL_END_DECLS + +#endif /* __COGL_PRIMITIVES_H */ diff --git a/cogl/cogl-private.h b/cogl/cogl-private.h new file mode 100644 index 0000000..333955c --- /dev/null +++ b/cogl/cogl-private.h @@ -0,0 +1,170 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_PRIVATE_H__ +#define __COGL_PRIVATE_H__ + +#include + +#include "cogl-context.h" +#include "cogl-flags.h" + +COGL_BEGIN_DECLS + +typedef enum +{ + COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE, + COGL_PRIVATE_FEATURE_MESA_PACK_INVERT, + COGL_PRIVATE_FEATURE_OFFSCREEN_BLIT, + COGL_PRIVATE_FEATURE_FOUR_CLIP_PLANES, + COGL_PRIVATE_FEATURE_PBOS, + COGL_PRIVATE_FEATURE_VBOS, + COGL_PRIVATE_FEATURE_EXT_PACKED_DEPTH_STENCIL, + COGL_PRIVATE_FEATURE_OES_PACKED_DEPTH_STENCIL, + COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_BGRA8888, + COGL_PRIVATE_FEATURE_UNPACK_SUBIMAGE, + COGL_PRIVATE_FEATURE_SAMPLER_OBJECTS, + COGL_PRIVATE_FEATURE_READ_PIXELS_ANY_FORMAT, + COGL_PRIVATE_FEATURE_ALPHA_TEST, + COGL_PRIVATE_FEATURE_FORMAT_CONVERSION, + COGL_PRIVATE_FEATURE_QUADS, + COGL_PRIVATE_FEATURE_BLEND_CONSTANT, + COGL_PRIVATE_FEATURE_QUERY_FRAMEBUFFER_BITS, + COGL_PRIVATE_FEATURE_BUILTIN_POINT_SIZE_UNIFORM, + COGL_PRIVATE_FEATURE_QUERY_TEXTURE_PARAMETERS, + COGL_PRIVATE_FEATURE_ALPHA_TEXTURES, + COGL_PRIVATE_FEATURE_TEXTURE_SWIZZLE, + COGL_PRIVATE_FEATURE_TEXTURE_MAX_LEVEL, + COGL_PRIVATE_FEATURE_ARBFP, + COGL_PRIVATE_FEATURE_OES_EGL_SYNC, + /* If this is set then the winsys is responsible for queueing dirty + * events. Otherwise a dirty event will be queued when the onscreen + * is first allocated or when it is shown or resized */ + COGL_PRIVATE_FEATURE_DIRTY_EVENTS, + COGL_PRIVATE_FEATURE_ENABLE_PROGRAM_POINT_SIZE, + /* These features let us avoid conditioning code based on the exact + * driver being used and instead check for broad opengl feature + * sets that can be shared by several GL apis */ + COGL_PRIVATE_FEATURE_ANY_GL, + COGL_PRIVATE_FEATURE_GL_FIXED, + COGL_PRIVATE_FEATURE_GL_PROGRAMMABLE, + COGL_PRIVATE_FEATURE_GL_EMBEDDED, + COGL_PRIVATE_FEATURE_GL_WEB, + + COGL_N_PRIVATE_FEATURES +} CoglPrivateFeature; + +/* Sometimes when evaluating pipelines, either during comparisons or + * if calculating a hash value we need to tweak the evaluation + * semantics */ +typedef enum _CoglPipelineEvalFlags +{ + COGL_PIPELINE_EVAL_FLAG_NONE = 0 +} CoglPipelineEvalFlags; + +void +_cogl_transform_point (const CoglMatrix *matrix_mv, + const CoglMatrix *matrix_p, + const float *viewport, + float *x, + float *y); + +CoglBool +_cogl_check_extension (const char *name, char * const *ext); + +void +_cogl_clear (const CoglColor *color, unsigned long buffers); + +void +_cogl_init (void); + +void +_cogl_push_source (CoglPipeline *pipeline, CoglBool enable_legacy); + +CoglBool +_cogl_get_enable_legacy_state (void); + +#define _cogl_has_private_feature(ctx, feature) \ + COGL_FLAGS_GET ((ctx)->private_features, (feature)) + +/* + * _cogl_pixel_format_get_bytes_per_pixel: + * @format: a #CoglPixelFormat + * + * Queries how many bytes a pixel of the given @format takes. + * + * Return value: The number of bytes taken for a pixel of the given + * @format. + */ +int +_cogl_pixel_format_get_bytes_per_pixel (CoglPixelFormat format); + +/* + * _cogl_pixel_format_has_aligned_components: + * @format: a #CoglPixelFormat + * + * Queries whether the ordering of the components for the given + * @format depend on the endianness of the host CPU or if the + * components can be accessed using bit shifting and bitmasking by + * loading a whole pixel into a word. + * + * XXX: If we ever consider making something like this public we + * should really try to think of a better name and come up with + * much clearer documentation since it really depends on what + * point of view you consider this from whether a format like + * COGL_PIXEL_FORMAT_RGBA_8888 is endian dependent. E.g. If you + * read an RGBA_8888 pixel into a uint32 + * it's endian dependent how you mask out the different channels. + * But If you already have separate color components and you want + * to write them to an RGBA_8888 pixel then the bytes can be + * written sequentially regardless of the endianness. + * + * Return value: %TRUE if you need to consider the host CPU + * endianness when dealing with the given @format + * else %FALSE. + */ +CoglBool +_cogl_pixel_format_is_endian_dependant (CoglPixelFormat format); + +/* + * COGL_PIXEL_FORMAT_CAN_HAVE_PREMULT(format): + * @format: a #CoglPixelFormat + * + * Returns TRUE if the pixel format can take a premult bit. This is + * currently true for all formats that have an alpha channel except + * COGL_PIXEL_FORMAT_A_8 (because that doesn't have any other + * components to multiply by the alpha). + */ +#define COGL_PIXEL_FORMAT_CAN_HAVE_PREMULT(format) \ + (((format) & COGL_A_BIT) && (format) != COGL_PIXEL_FORMAT_A_8) + +COGL_END_DECLS + +#endif /* __COGL_PRIVATE_H__ */ diff --git a/cogl/cogl-profile.c b/cogl/cogl-profile.c new file mode 100644 index 0000000..ce687a2 --- /dev/null +++ b/cogl/cogl-profile.c @@ -0,0 +1,126 @@ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifdef COGL_ENABLE_PROFILE + +#include "cogl-profile.h" +#include "cogl-debug.h" +#include "cogl-i18n-private.h" + +#include + +UProfContext *_cogl_uprof_context; + +static CoglBool +debug_option_getter (void *user_data) +{ + unsigned int shift = GPOINTER_TO_UINT (user_data); + return COGL_DEBUG_ENABLED (shift); +} + +static void +debug_option_setter (CoglBool value, void *user_data) +{ + unsigned int shift = GPOINTER_TO_UINT (user_data); + + if (value) + COGL_DEBUG_SET_FLAG (shift); + else + COGL_DEBUG_CLEAR_FLAG (shift); +} + +static void +print_exit_report (void) +{ + if (getenv ("COGL_PROFILE_OUTPUT_REPORT")) + { + UProfContext *mainloop_context; + UProfTimerResult *mainloop_timer; + UProfReport *report; + + /* NB: uprof provides a shared context for mainloop statistics + * which needs to be setup by the application which controls the + * mainloop. + * + * If no "Mainloop" timer has been setup then we print a warning + * since we can't provide a meaningful Cogl report without one. + */ + mainloop_context = uprof_get_mainloop_context (); + mainloop_timer = uprof_context_get_timer_result (mainloop_context, + "Mainloop"); + /* just bail out if the mainloop timer wasn't hit */ + if (!mainloop_timer) + { + g_warning ("\n\n" + "No UProf \"Mainloop\" timer was setup by the " + "application therefore we\ncan't provide a meaningful " + "profile report.\n" + "\n" + "This should be done automatically if you are using Clutter " + "(if\nbuilt with --enable-profile)\n" + "\n" + "If you aren't using Clutter then you can declare a " + "\"Mainloop\" UProf\ntimer in your application like this:\n\n" + " UPROF_STATIC_TIMER (mainloop_timer, \n" + " NULL,\n" + " \"Mainloop\",\n" + " \"Time in glib mainloop\",\n" + " 0);\n" + "\n" + "And start/stop it around your mainloop like this:\n" + "\n" + " UPROF_TIMER_START (uprof_get_mainloop_context (), mainloop_timer);\n" + " g_main_loop_run (loop);\n" + " UPROF_TIMER_STOP (uprof_get_mainloop_context (), mainloop_timer);\n"); + return; + } + + report = uprof_report_new ("Cogl report"); + uprof_report_add_context (report, _cogl_uprof_context); + uprof_report_print (report); + uprof_report_unref (report); + } + uprof_context_unref (_cogl_uprof_context); +} + +void +_cogl_uprof_init (void) +{ + _cogl_uprof_context = uprof_context_new ("Cogl"); + uprof_context_link (_cogl_uprof_context, uprof_get_mainloop_context ()); +#define OPT(MASK_NAME, GROUP, NAME, NAME_FORMATTED, DESCRIPTION) \ + G_STMT_START { \ + int shift = COGL_DEBUG_ ## MASK_NAME; \ + uprof_context_add_boolean_option (_cogl_uprof_context, \ + g_dgettext (GETTEXT_PACKAGE, GROUP), \ + NAME, \ + g_dgettext (GETTEXT_PACKAGE, \ + NAME_FORMATTED), \ + g_dgettext (GETTEXT_PACKAGE, \ + DESCRIPTION), \ + debug_option_getter, \ + debug_option_setter, \ + GUINT_TO_POINTER (shift)); \ + } G_STMT_END; + +#include "cogl-debug-options.h" +#undef OPT + + atexit (print_exit_report); +} + +void +_cogl_profile_trace_message (const char *format, ...) +{ + va_list ap; + + va_start (ap, format); + g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, format, ap); + va_end (ap); + + if (_cogl_uprof_context) + uprof_context_vtrace_message (_cogl_uprof_context, format, ap); +} + +#endif diff --git a/cogl/cogl-profile.h b/cogl/cogl-profile.h new file mode 100644 index 0000000..db95647 --- /dev/null +++ b/cogl/cogl-profile.h @@ -0,0 +1,68 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_PROFILE_H__ +#define __COGL_PROFILE_H__ + + +#ifdef COGL_ENABLE_PROFILE + +#include + +extern UProfContext *_cogl_uprof_context; + +#define COGL_STATIC_TIMER UPROF_STATIC_TIMER +#define COGL_STATIC_COUNTER UPROF_STATIC_COUNTER +#define COGL_COUNTER_INC UPROF_COUNTER_INC +#define COGL_COUNTER_DEC UPROF_COUNTER_DEC +#define COGL_TIMER_START UPROF_TIMER_START +#define COGL_TIMER_STOP UPROF_TIMER_STOP + +void +_cogl_uprof_init (void); + +void +_cogl_profile_trace_message (const char *format, ...); + +#else + +#define COGL_STATIC_TIMER(A,B,C,D,E) extern void _cogl_dummy_decl (void) +#define COGL_STATIC_COUNTER(A,B,C,D) extern void _cogl_dummy_decl (void) +#define COGL_COUNTER_INC(A,B) G_STMT_START{ (void)0; }G_STMT_END +#define COGL_COUNTER_DEC(A,B) G_STMT_START{ (void)0; }G_STMT_END +#define COGL_TIMER_START(A,B) G_STMT_START{ (void)0; }G_STMT_END +#define COGL_TIMER_STOP(A,B) G_STMT_START{ (void)0; }G_STMT_END + +#define _cogl_profile_trace_message g_message + +#endif + +#endif /* __COGL_PROFILE_H__ */ + diff --git a/cogl/cogl-quaternion-private.h b/cogl/cogl-quaternion-private.h new file mode 100644 index 0000000..eda672e --- /dev/null +++ b/cogl/cogl-quaternion-private.h @@ -0,0 +1,44 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_QUATERNION_PRIVATE_H__ +#define __COGL_QUATERNION_PRIVATE_H__ + +#include + +/* squared length */ +#define _COGL_QUATERNION_NORM(Q) \ + ((Q)->x*(Q)->x + (Q)->y*(Q)->y + (Q)->z*(Q)->z + (Q)->w*(Q)->w) + +#define _COGL_QUATERNION_DEGREES_TO_RADIANS (G_PI / 180.0f) +#define _COGL_QUATERNION_RADIANS_TO_DEGREES (180.0f / G_PI) + +#endif /* __COGL_QUATERNION_PRIVATE_H__ */ diff --git a/cogl/cogl-quaternion.c b/cogl/cogl-quaternion.c new file mode 100644 index 0000000..9567443 --- /dev/null +++ b/cogl/cogl-quaternion.c @@ -0,0 +1,673 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + * + * Various references relating to quaternions: + * + * http://www.cs.caltech.edu/courses/cs171/quatut.pdf + * http://mathworld.wolfram.com/Quaternion.html + * http://www.gamedev.net/reference/articles/article1095.asp + * http://www.cprogramming.com/tutorial/3d/quaternions.html + * http://www.isner.com/tutorials/quatSpells/quaternion_spells_12.htm + * http://www.j3d.org/matrix_faq/matrfaq_latest.html#Q56 + * 3D Maths Primer for Graphics and Game Development ISBN-10: 1556229119 + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include +#include +#include +#include +#include "cogl-gtype-private.h" + +#include +#include + +#define FLOAT_EPSILON 1e-03 + +COGL_GTYPE_DEFINE_BOXED (Quaternion, quaternion, + cogl_quaternion_copy, + cogl_quaternion_free); + +static CoglQuaternion zero_quaternion = +{ + 0.0, 0.0, 0.0, 0.0, +}; + +static CoglQuaternion identity_quaternion = +{ + 1.0, 0.0, 0.0, 0.0, +}; + +/* This function is just here to be called from GDB so we don't really + want to put a declaration in a header and we just add it here to + avoid a warning */ +void +_cogl_quaternion_print (CoglQuaternion *quarternion); + +void +_cogl_quaternion_print (CoglQuaternion *quaternion) +{ + g_print ("[ %6.4f (%6.4f, %6.4f, %6.4f)]\n", + quaternion->w, + quaternion->x, + quaternion->y, + quaternion->z); +} + +void +cogl_quaternion_init (CoglQuaternion *quaternion, + float angle, + float x, + float y, + float z) +{ + float axis[3] = { x, y, z}; + cogl_quaternion_init_from_angle_vector (quaternion, angle, axis); +} + +void +cogl_quaternion_init_from_angle_vector (CoglQuaternion *quaternion, + float angle, + const float *axis3f_in) +{ + /* NB: We are using quaternions to represent an axis (a), angle (𝜃) pair + * in this form: + * [w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )] + */ + float axis[3]; + float half_angle; + float sin_half_angle; + + /* XXX: Should we make cogl_vector3_normalize have separate in and + * out args? */ + axis[0] = axis3f_in[0]; + axis[1] = axis3f_in[1]; + axis[2] = axis3f_in[2]; + cogl_vector3_normalize (axis); + + half_angle = angle * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f; + sin_half_angle = sinf (half_angle); + + quaternion->w = cosf (half_angle); + + quaternion->x = axis[0] * sin_half_angle; + quaternion->y = axis[1] * sin_half_angle; + quaternion->z = axis[2] * sin_half_angle; + + cogl_quaternion_normalize (quaternion); +} + +void +cogl_quaternion_init_identity (CoglQuaternion *quaternion) +{ + quaternion->w = 1.0; + + quaternion->x = 0.0; + quaternion->y = 0.0; + quaternion->z = 0.0; +} + +void +cogl_quaternion_init_from_array (CoglQuaternion *quaternion, + const float *array) +{ + quaternion->w = array[0]; + quaternion->x = array[1]; + quaternion->y = array[2]; + quaternion->z = array[3]; +} + +void +cogl_quaternion_init_from_x_rotation (CoglQuaternion *quaternion, + float angle) +{ + /* NB: We are using quaternions to represent an axis (a), angle (𝜃) pair + * in this form: + * [w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )] + */ + float half_angle = angle * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f; + + quaternion->w = cosf (half_angle); + + quaternion->x = sinf (half_angle); + quaternion->y = 0.0f; + quaternion->z = 0.0f; +} + +void +cogl_quaternion_init_from_y_rotation (CoglQuaternion *quaternion, + float angle) +{ + /* NB: We are using quaternions to represent an axis (a), angle (𝜃) pair + * in this form: + * [w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )] + */ + float half_angle = angle * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f; + + quaternion->w = cosf (half_angle); + + quaternion->x = 0.0f; + quaternion->y = sinf (half_angle); + quaternion->z = 0.0f; +} + +void +cogl_quaternion_init_from_z_rotation (CoglQuaternion *quaternion, + float angle) +{ + /* NB: We are using quaternions to represent an axis (a), angle (𝜃) pair + * in this form: + * [w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )] + */ + float half_angle = angle * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f; + + quaternion->w = cosf (half_angle); + + quaternion->x = 0.0f; + quaternion->y = 0.0f; + quaternion->z = sinf (half_angle); +} + +void +cogl_quaternion_init_from_euler (CoglQuaternion *quaternion, + const CoglEuler *euler) +{ + /* NB: We are using quaternions to represent an axis (a), angle (𝜃) pair + * in this form: + * [w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )] + */ + float sin_heading = + sinf (euler->heading * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f); + float sin_pitch = + sinf (euler->pitch * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f); + float sin_roll = + sinf (euler->roll * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f); + float cos_heading = + cosf (euler->heading * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f); + float cos_pitch = + cosf (euler->pitch * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f); + float cos_roll = + cosf (euler->roll * _COGL_QUATERNION_DEGREES_TO_RADIANS * 0.5f); + + quaternion->w = + cos_heading * cos_pitch * cos_roll + + sin_heading * sin_pitch * sin_roll; + + quaternion->x = + cos_heading * sin_pitch * cos_roll + + sin_heading * cos_pitch * sin_roll; + quaternion->y = + sin_heading * cos_pitch * cos_roll - + cos_heading * sin_pitch * sin_roll; + quaternion->z = + cos_heading * cos_pitch * sin_roll - + sin_heading * sin_pitch * cos_roll; +} + +void +cogl_quaternion_init_from_quaternion (CoglQuaternion *quaternion, + CoglQuaternion *src) +{ + memcpy (quaternion, src, sizeof (float) * 4); +} + +/* XXX: it could be nice to make something like this public... */ +/* + * COGL_MATRIX_READ: + * @MATRIX: A 4x4 transformation matrix + * @ROW: The row of the value you want to read + * @COLUMN: The column of the value you want to read + * + * Reads a value from the given matrix using integers to index + * into the matrix. + */ +#define COGL_MATRIX_READ(MATRIX, ROW, COLUMN) \ + (((const float *)matrix)[COLUMN * 4 + ROW]) + +void +cogl_quaternion_init_from_matrix (CoglQuaternion *quaternion, + const CoglMatrix *matrix) +{ + /* Algorithm devised by Ken Shoemake, Ref: + * http://campar.in.tum.de/twiki/pub/Chair/DwarfTutorial/quatut.pdf + */ + + /* 3D maths literature refers to the diagonal of a matrix as the + * "trace" of a matrix... */ + float trace = matrix->xx + matrix->yy + matrix->zz; + float root; + + if (trace > 0.0f) + { + root = sqrtf (trace + 1); + quaternion->w = root * 0.5f; + root = 0.5f / root; + quaternion->x = (matrix->zy - matrix->yz) * root; + quaternion->y = (matrix->xz - matrix->zx) * root; + quaternion->z = (matrix->yx - matrix->xy) * root; + } + else + { +#define X 0 +#define Y 1 +#define Z 2 +#define W 3 + int h = X; + if (matrix->yy > matrix->xx) + h = Y; + if (matrix->zz > COGL_MATRIX_READ (matrix, h, h)) + h = Z; + switch (h) + { +#define CASE_MACRO(i, j, k, I, J, K) \ + case I: \ + root = sqrtf ((COGL_MATRIX_READ (matrix, I, I) - \ + (COGL_MATRIX_READ (matrix, J, J) + \ + COGL_MATRIX_READ (matrix, K, K))) + \ + COGL_MATRIX_READ (matrix, W, W)); \ + quaternion->i = root * 0.5f;\ + root = 0.5f / root;\ + quaternion->j = (COGL_MATRIX_READ (matrix, I, J) + \ + COGL_MATRIX_READ (matrix, J, I)) * root; \ + quaternion->k = (COGL_MATRIX_READ (matrix, K, I) + \ + COGL_MATRIX_READ (matrix, I, K)) * root; \ + quaternion->w = (COGL_MATRIX_READ (matrix, K, J) - \ + COGL_MATRIX_READ (matrix, J, K)) * root;\ + break + CASE_MACRO (x, y, z, X, Y, Z); + CASE_MACRO (y, z, x, Y, Z, X); + CASE_MACRO (z, x, y, Z, X, Y); +#undef CASE_MACRO +#undef X +#undef Y +#undef Z + } + } + + if (matrix->ww != 1.0f) + { + float s = 1.0 / sqrtf (matrix->ww); + quaternion->w *= s; + quaternion->x *= s; + quaternion->y *= s; + quaternion->z *= s; + } +} + +CoglBool +cogl_quaternion_equal (const void *v1, const void *v2) +{ + const CoglQuaternion *a = v1; + const CoglQuaternion *b = v2; + + _COGL_RETURN_VAL_IF_FAIL (v1 != NULL, FALSE); + _COGL_RETURN_VAL_IF_FAIL (v2 != NULL, FALSE); + + if (v1 == v2) + return TRUE; + + return (a->w == b->w && + a->x == b->x && + a->y == b->y && + a->z == b->z); +} + +CoglQuaternion * +cogl_quaternion_copy (const CoglQuaternion *src) +{ + if (G_LIKELY (src)) + { + CoglQuaternion *new = g_slice_new (CoglQuaternion); + memcpy (new, src, sizeof (float) * 4); + return new; + } + else + return NULL; +} + +void +cogl_quaternion_free (CoglQuaternion *quaternion) +{ + g_slice_free (CoglQuaternion, quaternion); +} + +float +cogl_quaternion_get_rotation_angle (const CoglQuaternion *quaternion) +{ + /* NB: We are using quaternions to represent an axis (a), angle (𝜃) pair + * in this form: + * [w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )] + */ + + /* FIXME: clamp [-1, 1] */ + return 2.0f * acosf (quaternion->w) * _COGL_QUATERNION_RADIANS_TO_DEGREES; +} + +void +cogl_quaternion_get_rotation_axis (const CoglQuaternion *quaternion, + float *vector3) +{ + float sin_half_angle_sqr; + float one_over_sin_angle_over_2; + + /* NB: We are using quaternions to represent an axis (a), angle (𝜃) pair + * in this form: + * [w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )] + */ + + /* NB: sin²(𝜃) + cos²(𝜃) = 1 */ + + sin_half_angle_sqr = 1.0f - quaternion->w * quaternion->w; + + if (sin_half_angle_sqr <= 0.0f) + { + /* Either an identity quaternion or numerical imprecision. + * Either way we return an arbitrary vector. */ + vector3[0] = 1; + vector3[1] = 0; + vector3[2] = 0; + return; + } + + /* Calculate 1 / sin(𝜃/2) */ + one_over_sin_angle_over_2 = 1.0f / sqrtf (sin_half_angle_sqr); + + vector3[0] = quaternion->x * one_over_sin_angle_over_2; + vector3[1] = quaternion->y * one_over_sin_angle_over_2; + vector3[2] = quaternion->z * one_over_sin_angle_over_2; +} + +void +cogl_quaternion_normalize (CoglQuaternion *quaternion) +{ + float slen = _COGL_QUATERNION_NORM (quaternion); + float factor = 1.0f / sqrtf (slen); + + quaternion->x *= factor; + quaternion->y *= factor; + quaternion->z *= factor; + + quaternion->w *= factor; + + return; +} + +float +cogl_quaternion_dot_product (const CoglQuaternion *a, + const CoglQuaternion *b) +{ + return a->w * b->w + a->x * b->x + a->y * b->y + a->z * b->z; +} + +void +cogl_quaternion_invert (CoglQuaternion *quaternion) +{ + quaternion->x = -quaternion->x; + quaternion->y = -quaternion->y; + quaternion->z = -quaternion->z; +} + +void +cogl_quaternion_multiply (CoglQuaternion *result, + const CoglQuaternion *a, + const CoglQuaternion *b) +{ + float w = a->w; + float x = a->x; + float y = a->y; + float z = a->z; + + _COGL_RETURN_IF_FAIL (b != result); + + result->w = w * b->w - x * b->x - y * b->y - z * b->z; + + result->x = w * b->x + x * b->w + y * b->z - z * b->y; + result->y = w * b->y + y * b->w + z * b->x - x * b->z; + result->z = w * b->z + z * b->w + x * b->y - y * b->x; +} + +void +cogl_quaternion_pow (CoglQuaternion *quaternion, float exponent) +{ + float half_angle; + float new_half_angle; + float factor; + + /* Try and identify and nop identity quaternions to avoid + * dividing by zero */ + if (fabs (quaternion->w) > 0.9999f) + return; + + /* NB: We are using quaternions to represent an axis (a), angle (𝜃) pair + * in this form: + * [w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )] + */ + + /* FIXME: clamp [-1, 1] */ + /* Extract 𝜃/2 from w */ + half_angle = acosf (quaternion->w); + + /* Compute the new 𝜃/2 */ + new_half_angle = half_angle * exponent; + + /* Compute the new w value */ + quaternion->w = cosf (new_half_angle); + + /* And new xyz values */ + factor = sinf (new_half_angle) / sinf (half_angle); + quaternion->x *= factor; + quaternion->y *= factor; + quaternion->z *= factor; +} + +void +cogl_quaternion_slerp (CoglQuaternion *result, + const CoglQuaternion *a, + const CoglQuaternion *b, + float t) +{ + float cos_difference; + float qb_w; + float qb_x; + float qb_y; + float qb_z; + float fa; + float fb; + + _COGL_RETURN_IF_FAIL (t >=0 && t <= 1.0f); + + if (t == 0) + { + *result = *a; + return; + } + else if (t == 1) + { + *result = *b; + return; + } + + /* compute the cosine of the angle between the two given quaternions */ + cos_difference = cogl_quaternion_dot_product (a, b); + + /* If negative, use -b. Two quaternions q and -q represent the same angle but + * may produce a different slerp. We choose b or -b to rotate using the acute + * angle. + */ + if (cos_difference < 0.0f) + { + qb_w = -b->w; + qb_x = -b->x; + qb_y = -b->y; + qb_z = -b->z; + cos_difference = -cos_difference; + } + else + { + qb_w = b->w; + qb_x = b->x; + qb_y = b->y; + qb_z = b->z; + } + + /* If we have two unit quaternions the dot should be <= 1.0 */ + g_assert (cos_difference < 1.1f); + + + /* Determine the interpolation factors for each quaternion, simply using + * linear interpolation for quaternions that are nearly exactly the same. + * (this will avoid divisions by zero) + */ + + if (cos_difference > 0.9999f) + { + fa = 1.0f - t; + fb = t; + + /* XXX: should we also normalize() at the end in this case? */ + } + else + { + /* Calculate the sin of the angle between the two quaternions using the + * trig identity: sin²(𝜃) + cos²(𝜃) = 1 + */ + float sin_difference = sqrtf (1.0f - cos_difference * cos_difference); + + float difference = atan2f (sin_difference, cos_difference); + float one_over_sin_difference = 1.0f / sin_difference; + fa = sinf ((1.0f - t) * difference) * one_over_sin_difference; + fb = sinf (t * difference) * one_over_sin_difference; + } + + /* Finally interpolate the two quaternions */ + + result->x = fa * a->x + fb * qb_x; + result->y = fa * a->y + fb * qb_y; + result->z = fa * a->z + fb * qb_z; + result->w = fa * a->w + fb * qb_w; +} + +void +cogl_quaternion_nlerp (CoglQuaternion *result, + const CoglQuaternion *a, + const CoglQuaternion *b, + float t) +{ + float cos_difference; + float qb_w; + float qb_x; + float qb_y; + float qb_z; + float fa; + float fb; + + _COGL_RETURN_IF_FAIL (t >=0 && t <= 1.0f); + + if (t == 0) + { + *result = *a; + return; + } + else if (t == 1) + { + *result = *b; + return; + } + + /* compute the cosine of the angle between the two given quaternions */ + cos_difference = cogl_quaternion_dot_product (a, b); + + /* If negative, use -b. Two quaternions q and -q represent the same angle but + * may produce a different slerp. We choose b or -b to rotate using the acute + * angle. + */ + if (cos_difference < 0.0f) + { + qb_w = -b->w; + qb_x = -b->x; + qb_y = -b->y; + qb_z = -b->z; + cos_difference = -cos_difference; + } + else + { + qb_w = b->w; + qb_x = b->x; + qb_y = b->y; + qb_z = b->z; + } + + /* If we have two unit quaternions the dot should be <= 1.0 */ + g_assert (cos_difference < 1.1f); + + fa = 1.0f - t; + fb = t; + + result->x = fa * a->x + fb * qb_x; + result->y = fa * a->y + fb * qb_y; + result->z = fa * a->z + fb * qb_z; + result->w = fa * a->w + fb * qb_w; + + cogl_quaternion_normalize (result); +} + +void +cogl_quaternion_squad (CoglQuaternion *result, + const CoglQuaternion *prev, + const CoglQuaternion *a, + const CoglQuaternion *b, + const CoglQuaternion *next, + float t) +{ + CoglQuaternion slerp0; + CoglQuaternion slerp1; + + cogl_quaternion_slerp (&slerp0, a, b, t); + cogl_quaternion_slerp (&slerp1, prev, next, t); + cogl_quaternion_slerp (result, &slerp0, &slerp1, 2.0f * t * (1.0f - t)); +} + +const CoglQuaternion * +cogl_get_static_identity_quaternion (void) +{ + return &identity_quaternion; +} + +const CoglQuaternion * +cogl_get_static_zero_quaternion (void) +{ + return &zero_quaternion; +} + diff --git a/cogl/cogl-quaternion.h b/cogl/cogl-quaternion.h new file mode 100644 index 0000000..c70ecca --- /dev/null +++ b/cogl/cogl-quaternion.h @@ -0,0 +1,564 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_QUATERNION_H__ +#define __COGL_QUATERNION_H__ + +#include +#include + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-quaternion + * @short_description: Functions for initializing and manipulating + * quaternions. + * + * Quaternions have become a standard form for representing 3D + * rotations and have some nice properties when compared with other + * representation such as (roll,pitch,yaw) Euler angles. They can be + * used to interpolate between different rotations and they don't + * suffer from a problem called + * "Gimbal lock" + * where two of the axis of rotation may become aligned and you loose a + * degree of freedom. + * . + */ +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +/** + * CoglQuaternion: + * @w: based on the angle of rotation it is cos(𝜃/2) + * @x: based on the angle of rotation and x component of the axis of + * rotation it is sin(𝜃/2)*axis.x + * @y: based on the angle of rotation and y component of the axis of + * rotation it is sin(𝜃/2)*axis.y + * @z: based on the angle of rotation and z component of the axis of + * rotation it is sin(𝜃/2)*axis.z + * + * A quaternion is comprised of a scalar component and a 3D vector + * component. The scalar component is normally referred to as w and the + * vector might either be referred to as v or a (for axis) or expanded + * with the individual components: (x, y, z) A full quaternion would + * then be written as [w (x, y, z)]. + * + * Quaternions can be considered to represent an axis and angle + * pair although sadly these numbers are buried somewhat under some + * maths... + * + * For the curious you can see here that a given axis (a) and angle (𝜃) + * pair are represented in a quaternion as follows: + * |[ + * [w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )] + * ]| + * + * Unit Quaternions: + * When using Quaternions to represent spatial orientations for 3D + * graphics it's always assumed you have a unit quaternion. The + * magnitude of a quaternion is defined as: + * |[ + * sqrt (w² + x² + y² + z²) + * ]| + * and a unit quaternion satisfies this equation: + * |[ + * w² + x² + y² + z² = 1 + * ]| + * + * Thankfully most of the time we don't actually have to worry about + * the maths that goes on behind the scenes but if you are curious to + * learn more here are some external references: + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * + * 3D Maths Primer for Graphics and Game Development ISBN-10: 1556229119 + * + * + * + * + * + * + * + * + * + */ +struct _CoglQuaternion +{ + /*< public >*/ + float w; + + float x; + float y; + float z; + + /*< private >*/ + float padding0; + float padding1; + float padding2; + float padding3; +}; +COGL_STRUCT_SIZE_ASSERT (CoglQuaternion, 32); + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_quaternion_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_quaternion_get_gtype (void); +#endif + +/** + * cogl_quaternion_init: + * @quaternion: An uninitialized #CoglQuaternion + * @angle: The angle you want to rotate around the given axis + * @x: The x component of your axis vector about which you want to + * rotate. + * @y: The y component of your axis vector about which you want to + * rotate. + * @z: The z component of your axis vector about which you want to + * rotate. + * + * Initializes a quaternion that rotates @angle degrees around the + * axis vector (@x, @y, @z). The axis vector does not need to be + * normalized. + * + * Returns: A normalized, unit quaternion representing an orientation + * rotated @angle degrees around the axis vector (@x, @y, @z) + * + * Since: 2.0 + */ +void +cogl_quaternion_init (CoglQuaternion *quaternion, + float angle, + float x, + float y, + float z); + +/** + * cogl_quaternion_init_from_angle_vector: + * @quaternion: An uninitialized #CoglQuaternion + * @angle: The angle to rotate around @axis3f + * @axis3f: your 3 component axis vector about which you want to rotate. + * + * Initializes a quaternion that rotates @angle degrees around the + * given @axis vector. The axis vector does not need to be + * normalized. + * + * Returns: A normalized, unit quaternion representing an orientation + * rotated @angle degrees around the given @axis vector. + * + * Since: 2.0 + */ +void +cogl_quaternion_init_from_angle_vector (CoglQuaternion *quaternion, + float angle, + const float *axis3f); + +/** + * cogl_quaternion_init_identity: + * @quaternion: An uninitialized #CoglQuaternion + * + * Initializes the quaternion with the canonical quaternion identity + * [1 (0, 0, 0)] which represents no rotation. Multiplying a + * quaternion with this identity leaves the quaternion unchanged. + * + * You might also want to consider using + * cogl_get_static_identity_quaternion(). + * + * Since: 2.0 + */ +void +cogl_quaternion_init_identity (CoglQuaternion *quaternion); + +/** + * cogl_quaternion_init_from_array: + * @quaternion: A #CoglQuaternion + * @array: An array of 4 floats w,(x,y,z) + * + * Initializes a [w (x, y,z)] quaternion directly from an array of 4 + * floats: [w,x,y,z]. + * + * Since: 2.0 + */ +void +cogl_quaternion_init_from_array (CoglQuaternion *quaternion, + const float *array); + +/** + * cogl_quaternion_init_from_x_rotation: + * @quaternion: An uninitialized #CoglQuaternion + * @angle: The angle to rotate around the x axis + * + * XXX: check which direction this rotates + * + * Since: 2.0 + */ +void +cogl_quaternion_init_from_x_rotation (CoglQuaternion *quaternion, + float angle); + +/** + * cogl_quaternion_init_from_y_rotation: + * @quaternion: An uninitialized #CoglQuaternion + * @angle: The angle to rotate around the y axis + * + * + * Since: 2.0 + */ +void +cogl_quaternion_init_from_y_rotation (CoglQuaternion *quaternion, + float angle); + +/** + * cogl_quaternion_init_from_z_rotation: + * @quaternion: An uninitialized #CoglQuaternion + * @angle: The angle to rotate around the z axis + * + * + * Since: 2.0 + */ +void +cogl_quaternion_init_from_z_rotation (CoglQuaternion *quaternion, + float angle); + +/** + * cogl_quaternion_init_from_euler: + * @quaternion: A #CoglQuaternion + * @euler: A #CoglEuler with which to initialize the quaternion + * + * Since: 2.0 + */ +void +cogl_quaternion_init_from_euler (CoglQuaternion *quaternion, + const CoglEuler *euler); + +/** + * cogl_quaternion_init_from_quaternion: + * @quaternion: A #CoglQuaternion + * @src: A #CoglQuaternion with which to initialize @quaternion + * + * Since: 2.0 + */ +void +cogl_quaternion_init_from_quaternion (CoglQuaternion *quaternion, + CoglQuaternion *src); + +/** + * cogl_quaternion_init_from_matrix: + * @quaternion: A Cogl Quaternion + * @matrix: A rotation matrix with which to initialize the quaternion + * + * Initializes a quaternion from a rotation matrix. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_quaternion_init_from_matrix (CoglQuaternion *quaternion, + const CoglMatrix *matrix); + +/** + * cogl_quaternion_equal: + * @v1: A #CoglQuaternion + * @v2: A #CoglQuaternion + * + * Compares that all the components of quaternions @a and @b are + * equal. + * + * An epsilon value is not used to compare the float components, but + * the == operator is at least used so that 0 and -0 are considered + * equal. + * + * Returns: %TRUE if the quaternions are equal else %FALSE. + * + * Since: 2.0 + */ +CoglBool +cogl_quaternion_equal (const void *v1, const void *v2); + +/** + * cogl_quaternion_copy: + * @src: A #CoglQuaternion + * + * Allocates a new #CoglQuaternion on the stack and initializes it with + * the same values as @src. + * + * Returns: A newly allocated #CoglQuaternion which should be freed + * using cogl_quaternion_free() + * + * Since: 2.0 + */ +CoglQuaternion * +cogl_quaternion_copy (const CoglQuaternion *src); + +/** + * cogl_quaternion_free: + * @quaternion: A #CoglQuaternion + * + * Frees a #CoglQuaternion that was previously allocated via + * cogl_quaternion_copy(). + * + * Since: 2.0 + */ +void +cogl_quaternion_free (CoglQuaternion *quaternion); + +/** + * cogl_quaternion_get_rotation_angle: + * @quaternion: A #CoglQuaternion + * + * + * Since: 2.0 + */ +float +cogl_quaternion_get_rotation_angle (const CoglQuaternion *quaternion); + +/** + * cogl_quaternion_get_rotation_axis: + * @quaternion: A #CoglQuaternion + * @vector3: (out): an allocated 3-float array + * + * Since: 2.0 + */ +void +cogl_quaternion_get_rotation_axis (const CoglQuaternion *quaternion, + float *vector3); + +/** + * cogl_quaternion_normalize: + * @quaternion: A #CoglQuaternion + * + * + * Since: 2.0 + */ +void +cogl_quaternion_normalize (CoglQuaternion *quaternion); + +/** + * cogl_quaternion_dot_product: + * @a: A #CoglQuaternion + * @b: A #CoglQuaternion + * + * Since: 2.0 + */ +float +cogl_quaternion_dot_product (const CoglQuaternion *a, + const CoglQuaternion *b); + +/** + * cogl_quaternion_invert: + * @quaternion: A #CoglQuaternion + * + * + * Since: 2.0 + */ +void +cogl_quaternion_invert (CoglQuaternion *quaternion); + +/** + * cogl_quaternion_multiply: + * @result: The destination #CoglQuaternion + * @left: The second #CoglQuaternion rotation to apply + * @right: The first #CoglQuaternion rotation to apply + * + * This combines the rotations of two quaternions into @result. The + * operation is not commutative so the order is important because AxB + * != BxA. Cogl follows the standard convention for quaternions here + * so the rotations are applied @right to @left. This is similar to the + * combining of matrices. + * + * It is possible to multiply the @a quaternion in-place, so + * @result can be equal to @a but can't be equal to @b. + * + * Since: 2.0 + */ +void +cogl_quaternion_multiply (CoglQuaternion *result, + const CoglQuaternion *left, + const CoglQuaternion *right); + +/** + * cogl_quaternion_pow: + * @quaternion: A #CoglQuaternion + * @exponent: the exponent + * + * + * Since: 2.0 + */ +void +cogl_quaternion_pow (CoglQuaternion *quaternion, float exponent); + +/** + * cogl_quaternion_slerp: + * @result: The destination #CoglQuaternion + * @a: The first #CoglQuaternion + * @b: The second #CoglQuaternion + * @t: The factor in the range [0,1] used to interpolate between + * quaternion @a and @b. + * + * Performs a spherical linear interpolation between two quaternions. + * + * Noteable properties: + * + * + * commutative: No + * + * + * constant velocity: Yes + * + * + * torque minimal (travels along the surface of the 4-sphere): Yes + * + * + * more expensive than cogl_quaternion_nlerp() + * + * + */ +void +cogl_quaternion_slerp (CoglQuaternion *result, + const CoglQuaternion *a, + const CoglQuaternion *b, + float t); + +/** + * cogl_quaternion_nlerp: + * @result: The destination #CoglQuaternion + * @a: The first #CoglQuaternion + * @b: The second #CoglQuaternion + * @t: The factor in the range [0,1] used to interpolate between + * quaterion @a and @b. + * + * Performs a normalized linear interpolation between two quaternions. + * That is it does a linear interpolation of the quaternion components + * and then normalizes the result. This will follow the shortest arc + * between the two orientations (just like the slerp() function) but + * will not progress at a constant speed. Unlike slerp() nlerp is + * commutative which is useful if you are blending animations + * together. (I.e. nlerp (tmp, a, b) followed by nlerp (result, tmp, + * d) is the same as nlerp (tmp, a, d) followed by nlerp (result, tmp, + * b)). Finally nlerp is cheaper than slerp so it can be a good choice + * if you don't need the constant speed property of the slerp() function. + * + * Notable properties: + * + * + * commutative: Yes + * + * + * constant velocity: No + * + * + * torque minimal (travels along the surface of the 4-sphere): Yes + * + * + * faster than cogl_quaternion_slerp() + * + * + */ +void +cogl_quaternion_nlerp (CoglQuaternion *result, + const CoglQuaternion *a, + const CoglQuaternion *b, + float t); +/** + * cogl_quaternion_squad: + * @result: The destination #CoglQuaternion + * @prev: A #CoglQuaternion used before @a + * @a: The first #CoglQuaternion + * @b: The second #CoglQuaternion + * @next: A #CoglQuaternion that will be used after @b + * @t: The factor in the range [0,1] used to interpolate between + * quaternion @a and @b. + * + * + * Since: 2.0 + */ +void +cogl_quaternion_squad (CoglQuaternion *result, + const CoglQuaternion *prev, + const CoglQuaternion *a, + const CoglQuaternion *b, + const CoglQuaternion *next, + float t); + +/** + * cogl_get_static_identity_quaternion: + * + * Returns a pointer to a singleton quaternion constant describing the + * canonical identity [1 (0, 0, 0)] which represents no rotation. + * + * If you multiply a quaternion with the identity quaternion you will + * get back the same value as the original quaternion. + * + * Returns: A pointer to an identity quaternion + * + * Since: 2.0 + */ +const CoglQuaternion * +cogl_get_static_identity_quaternion (void); + +/** + * cogl_get_static_zero_quaternion: + * + * Returns: a pointer to a singleton quaternion constant describing a + * rotation of 180 degrees around a degenerate axis: + * [0 (0, 0, 0)] + * + * Since: 2.0 + */ +const CoglQuaternion * +cogl_get_static_zero_quaternion (void); + +COGL_END_DECLS + +#endif /* __COGL_QUATERNION_H__ */ + diff --git a/cogl/cogl-rectangle-map.c b/cogl/cogl-rectangle-map.c new file mode 100644 index 0000000..69368ee --- /dev/null +++ b/cogl/cogl-rectangle-map.c @@ -0,0 +1,764 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-util.h" +#include "cogl-rectangle-map.h" +#include "cogl-debug.h" + +/* Implements a data structure which keeps track of unused + sub-rectangles within a larger rectangle using a binary tree + structure. The algorithm for this is based on the description here: + + http://www.blackpawn.com/texts/lightmaps/default.html +*/ + +#if defined (COGL_ENABLE_DEBUG) && defined (HAVE_CAIRO) + +/* The cairo header is only used for debugging to generate an image of + the atlas */ +#include + +static void _cogl_rectangle_map_dump_image (CoglRectangleMap *map); + +#endif /* COGL_ENABLE_DEBUG && HAVE_CAIRO */ + +typedef struct _CoglRectangleMapNode CoglRectangleMapNode; +typedef struct _CoglRectangleMapStackEntry CoglRectangleMapStackEntry; + +typedef void (* CoglRectangleMapInternalForeachCb) (CoglRectangleMapNode *node, + void *data); + +typedef enum +{ + COGL_RECTANGLE_MAP_BRANCH, + COGL_RECTANGLE_MAP_FILLED_LEAF, + COGL_RECTANGLE_MAP_EMPTY_LEAF +} CoglRectangleMapNodeType; + +struct _CoglRectangleMap +{ + CoglRectangleMapNode *root; + + unsigned int n_rectangles; + + unsigned int space_remaining; + + GDestroyNotify value_destroy_func; + + /* Stack used for walking the structure. This is only used during + the lifetime of a single function call but it is kept here as an + optimisation to avoid reallocating it every time it is needed */ + GArray *stack; +}; + +struct _CoglRectangleMapNode +{ + CoglRectangleMapNodeType type; + + CoglRectangleMapEntry rectangle; + + unsigned int largest_gap; + + CoglRectangleMapNode *parent; + + union + { + /* Fields used when this is a branch */ + struct + { + CoglRectangleMapNode *left; + CoglRectangleMapNode *right; + } branch; + + /* Field used when this is a filled leaf */ + void *data; + } d; +}; + +struct _CoglRectangleMapStackEntry +{ + /* The node to search */ + CoglRectangleMapNode *node; + /* Index of next branch of this node to explore. Basically either 0 + to go left or 1 to go right */ + CoglBool next_index; +}; + +static CoglRectangleMapNode * +_cogl_rectangle_map_node_new (void) +{ + return g_slice_new (CoglRectangleMapNode); +} + +static void +_cogl_rectangle_map_node_free (CoglRectangleMapNode *node) +{ + g_slice_free (CoglRectangleMapNode, node); +} + +CoglRectangleMap * +_cogl_rectangle_map_new (unsigned int width, + unsigned int height, + GDestroyNotify value_destroy_func) +{ + CoglRectangleMap *map = g_new (CoglRectangleMap, 1); + CoglRectangleMapNode *root = _cogl_rectangle_map_node_new (); + + root->type = COGL_RECTANGLE_MAP_EMPTY_LEAF; + root->parent = NULL; + root->rectangle.x = 0; + root->rectangle.y = 0; + root->rectangle.width = width; + root->rectangle.height = height; + root->largest_gap = width * height; + + map->root = root; + map->n_rectangles = 0; + map->value_destroy_func = value_destroy_func; + map->space_remaining = width * height; + + map->stack = g_array_new (FALSE, FALSE, sizeof (CoglRectangleMapStackEntry)); + + return map; +} + +static void +_cogl_rectangle_map_stack_push (GArray *stack, + CoglRectangleMapNode *node, + CoglBool next_index) +{ + CoglRectangleMapStackEntry *new_entry; + + g_array_set_size (stack, stack->len + 1); + + new_entry = &g_array_index (stack, CoglRectangleMapStackEntry, + stack->len - 1); + + new_entry->node = node; + new_entry->next_index = next_index; +} + +static void +_cogl_rectangle_map_stack_pop (GArray *stack) +{ + g_array_set_size (stack, stack->len - 1); +} + +static CoglRectangleMapStackEntry * +_cogl_rectangle_map_stack_get_top (GArray *stack) +{ + return &g_array_index (stack, CoglRectangleMapStackEntry, + stack->len - 1); +} + +static CoglRectangleMapNode * +_cogl_rectangle_map_node_split_horizontally (CoglRectangleMapNode *node, + unsigned int left_width) +{ + /* Splits the node horizontally (according to emacs' definition, not + vim) by converting it to a branch and adding two new leaf + nodes. The leftmost branch will have the width left_width and + will be returned. If the node is already just the right size it + won't do anything */ + + CoglRectangleMapNode *left_node, *right_node; + + if (node->rectangle.width == left_width) + return node; + + left_node = _cogl_rectangle_map_node_new (); + left_node->type = COGL_RECTANGLE_MAP_EMPTY_LEAF; + left_node->parent = node; + left_node->rectangle.x = node->rectangle.x; + left_node->rectangle.y = node->rectangle.y; + left_node->rectangle.width = left_width; + left_node->rectangle.height = node->rectangle.height; + left_node->largest_gap = (left_node->rectangle.width * + left_node->rectangle.height); + node->d.branch.left = left_node; + + right_node = _cogl_rectangle_map_node_new (); + right_node->type = COGL_RECTANGLE_MAP_EMPTY_LEAF; + right_node->parent = node; + right_node->rectangle.x = node->rectangle.x + left_width; + right_node->rectangle.y = node->rectangle.y; + right_node->rectangle.width = node->rectangle.width - left_width; + right_node->rectangle.height = node->rectangle.height; + right_node->largest_gap = (right_node->rectangle.width * + right_node->rectangle.height); + node->d.branch.right = right_node; + + node->type = COGL_RECTANGLE_MAP_BRANCH; + + return left_node; +} + +static CoglRectangleMapNode * +_cogl_rectangle_map_node_split_vertically (CoglRectangleMapNode *node, + unsigned int top_height) +{ + /* Splits the node vertically (according to emacs' definition, not + vim) by converting it to a branch and adding two new leaf + nodes. The topmost branch will have the height top_height and + will be returned. If the node is already just the right size it + won't do anything */ + + CoglRectangleMapNode *top_node, *bottom_node; + + if (node->rectangle.height == top_height) + return node; + + top_node = _cogl_rectangle_map_node_new (); + top_node->type = COGL_RECTANGLE_MAP_EMPTY_LEAF; + top_node->parent = node; + top_node->rectangle.x = node->rectangle.x; + top_node->rectangle.y = node->rectangle.y; + top_node->rectangle.width = node->rectangle.width; + top_node->rectangle.height = top_height; + top_node->largest_gap = (top_node->rectangle.width * + top_node->rectangle.height); + node->d.branch.left = top_node; + + bottom_node = _cogl_rectangle_map_node_new (); + bottom_node->type = COGL_RECTANGLE_MAP_EMPTY_LEAF; + bottom_node->parent = node; + bottom_node->rectangle.x = node->rectangle.x; + bottom_node->rectangle.y = node->rectangle.y + top_height; + bottom_node->rectangle.width = node->rectangle.width; + bottom_node->rectangle.height = node->rectangle.height - top_height; + bottom_node->largest_gap = (bottom_node->rectangle.width * + bottom_node->rectangle.height); + node->d.branch.right = bottom_node; + + node->type = COGL_RECTANGLE_MAP_BRANCH; + + return top_node; +} + +#ifdef COGL_ENABLE_DEBUG + +static unsigned int +_cogl_rectangle_map_verify_recursive (CoglRectangleMapNode *node) +{ + /* This is just used for debugging the data structure. It + recursively walks the tree to verify that the largest gap values + all add up */ + + switch (node->type) + { + case COGL_RECTANGLE_MAP_BRANCH: + { + int sum = + _cogl_rectangle_map_verify_recursive (node->d.branch.left) + + _cogl_rectangle_map_verify_recursive (node->d.branch.right); + g_assert (node->largest_gap == + MAX (node->d.branch.left->largest_gap, + node->d.branch.right->largest_gap)); + return sum; + } + + case COGL_RECTANGLE_MAP_EMPTY_LEAF: + g_assert (node->largest_gap == + node->rectangle.width * node->rectangle.height); + return 0; + + case COGL_RECTANGLE_MAP_FILLED_LEAF: + g_assert (node->largest_gap == 0); + return 1; + } + + return 0; +} + +static unsigned int +_cogl_rectangle_map_get_space_remaining_recursive (CoglRectangleMapNode *node) +{ + /* This is just used for debugging the data structure. It + recursively walks the tree to verify that the remaining space + value adds up */ + + switch (node->type) + { + case COGL_RECTANGLE_MAP_BRANCH: + { + CoglRectangleMapNode *l = node->d.branch.left; + CoglRectangleMapNode *r = node->d.branch.right; + + return (_cogl_rectangle_map_get_space_remaining_recursive (l) + + _cogl_rectangle_map_get_space_remaining_recursive (r)); + } + + case COGL_RECTANGLE_MAP_EMPTY_LEAF: + return node->rectangle.width * node->rectangle.height; + + case COGL_RECTANGLE_MAP_FILLED_LEAF: + return 0; + } + + return 0; +} + +static void +_cogl_rectangle_map_verify (CoglRectangleMap *map) +{ + unsigned int actual_n_rectangles = + _cogl_rectangle_map_verify_recursive (map->root); + unsigned int actual_space_remaining = + _cogl_rectangle_map_get_space_remaining_recursive (map->root); + + g_assert_cmpuint (actual_n_rectangles, ==, map->n_rectangles); + g_assert_cmpuint (actual_space_remaining, ==, map->space_remaining); +} + +#endif /* COGL_ENABLE_DEBUG */ + +CoglBool +_cogl_rectangle_map_add (CoglRectangleMap *map, + unsigned int width, + unsigned int height, + void *data, + CoglRectangleMapEntry *rectangle) +{ + unsigned int rectangle_size = width * height; + /* Stack of nodes to search in */ + GArray *stack = map->stack; + CoglRectangleMapNode *found_node = NULL; + + /* Zero-sized rectangles break the algorithm for removing rectangles + so we'll disallow them */ + _COGL_RETURN_VAL_IF_FAIL (width > 0 && height > 0, FALSE); + + /* Start with the root node */ + g_array_set_size (stack, 0); + _cogl_rectangle_map_stack_push (stack, map->root, FALSE); + + /* Depth-first search for an empty node that is big enough */ + while (stack->len > 0) + { + CoglRectangleMapStackEntry *stack_top; + CoglRectangleMapNode *node; + int next_index; + + /* Pop an entry off the stack */ + stack_top = _cogl_rectangle_map_stack_get_top (stack); + node = stack_top->node; + next_index = stack_top->next_index; + _cogl_rectangle_map_stack_pop (stack); + + /* Regardless of the type of the node, there's no point + descending any further if the new rectangle won't fit within + it */ + if (node->rectangle.width >= width && + node->rectangle.height >= height && + node->largest_gap >= rectangle_size) + { + if (node->type == COGL_RECTANGLE_MAP_EMPTY_LEAF) + { + /* We've found a node we can use */ + found_node = node; + break; + } + else if (node->type == COGL_RECTANGLE_MAP_BRANCH) + { + if (next_index) + /* Try the right branch */ + _cogl_rectangle_map_stack_push (stack, + node->d.branch.right, + 0); + else + { + /* Make sure we remember to try the right branch once + we've finished descending the left branch */ + _cogl_rectangle_map_stack_push (stack, + node, + 1); + /* Try the left branch */ + _cogl_rectangle_map_stack_push (stack, + node->d.branch.left, + 0); + } + } + } + } + + if (found_node) + { + CoglRectangleMapNode *node; + + /* Split according to whichever axis will leave us with the + largest space */ + if (found_node->rectangle.width - width > + found_node->rectangle.height - height) + { + found_node = + _cogl_rectangle_map_node_split_horizontally (found_node, width); + found_node = + _cogl_rectangle_map_node_split_vertically (found_node, height); + } + else + { + found_node = + _cogl_rectangle_map_node_split_vertically (found_node, height); + found_node = + _cogl_rectangle_map_node_split_horizontally (found_node, width); + } + + found_node->type = COGL_RECTANGLE_MAP_FILLED_LEAF; + found_node->d.data = data; + found_node->largest_gap = 0; + if (rectangle) + *rectangle = found_node->rectangle; + + /* Walk back up the tree and update the stored largest gap for + the node's sub tree */ + for (node = found_node->parent; node; node = node->parent) + { + /* This node is a parent so it should always be a branch */ + g_assert (node->type == COGL_RECTANGLE_MAP_BRANCH); + + node->largest_gap = MAX (node->d.branch.left->largest_gap, + node->d.branch.right->largest_gap); + } + + /* There is now an extra rectangle in the map */ + map->n_rectangles++; + /* and less space */ + map->space_remaining -= rectangle_size; + +#ifdef COGL_ENABLE_DEBUG + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DUMP_ATLAS_IMAGE))) + { +#ifdef HAVE_CAIRO + _cogl_rectangle_map_dump_image (map); +#endif + /* Dumping the rectangle map is really slow so we might as well + verify the space remaining here as it is also quite slow */ + _cogl_rectangle_map_verify (map); + } +#endif + + return TRUE; + } + else + return FALSE; +} + +void +_cogl_rectangle_map_remove (CoglRectangleMap *map, + const CoglRectangleMapEntry *rectangle) +{ + CoglRectangleMapNode *node = map->root; + unsigned int rectangle_size = rectangle->width * rectangle->height; + + /* We can do a binary-chop down the search tree to find the rectangle */ + while (node->type == COGL_RECTANGLE_MAP_BRANCH) + { + CoglRectangleMapNode *left_node = node->d.branch.left; + + /* If and only if the rectangle is in the left node then the x,y + position of the rectangle will be within the node's + rectangle */ + if (rectangle->x < left_node->rectangle.x + left_node->rectangle.width && + rectangle->y < left_node->rectangle.y + left_node->rectangle.height) + /* Go left */ + node = left_node; + else + /* Go right */ + node = node->d.branch.right; + } + + /* Make sure we found the right node */ + if (node->type != COGL_RECTANGLE_MAP_FILLED_LEAF || + node->rectangle.x != rectangle->x || + node->rectangle.y != rectangle->y || + node->rectangle.width != rectangle->width || + node->rectangle.height != rectangle->height) + /* This should only happen if someone tried to remove a rectangle + that was not in the map so something has gone wrong */ + g_return_if_reached (); + else + { + /* Convert the node back to an empty node */ + if (map->value_destroy_func) + map->value_destroy_func (node->d.data); + node->type = COGL_RECTANGLE_MAP_EMPTY_LEAF; + node->largest_gap = rectangle_size; + + /* Walk back up the tree combining branch nodes that have two + empty leaves back into a single empty leaf */ + for (node = node->parent; node; node = node->parent) + { + /* This node is a parent so it should always be a branch */ + g_assert (node->type == COGL_RECTANGLE_MAP_BRANCH); + + if (node->d.branch.left->type == COGL_RECTANGLE_MAP_EMPTY_LEAF && + node->d.branch.right->type == COGL_RECTANGLE_MAP_EMPTY_LEAF) + { + _cogl_rectangle_map_node_free (node->d.branch.left); + _cogl_rectangle_map_node_free (node->d.branch.right); + node->type = COGL_RECTANGLE_MAP_EMPTY_LEAF; + + node->largest_gap = (node->rectangle.width * + node->rectangle.height); + } + else + break; + } + + /* Reduce the amount of space remaining in all of the parents + further up the chain */ + for (; node; node = node->parent) + node->largest_gap = MAX (node->d.branch.left->largest_gap, + node->d.branch.right->largest_gap); + + /* There is now one less rectangle */ + g_assert (map->n_rectangles > 0); + map->n_rectangles--; + /* and more space */ + map->space_remaining += rectangle_size; + } + +#ifdef COGL_ENABLE_DEBUG + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DUMP_ATLAS_IMAGE))) + { +#ifdef HAVE_CAIRO + _cogl_rectangle_map_dump_image (map); +#endif + /* Dumping the rectangle map is really slow so we might as well + verify the space remaining here as it is also quite slow */ + _cogl_rectangle_map_verify (map); + } +#endif +} + +unsigned int +_cogl_rectangle_map_get_width (CoglRectangleMap *map) +{ + return map->root->rectangle.width; +} + +unsigned int +_cogl_rectangle_map_get_height (CoglRectangleMap *map) +{ + return map->root->rectangle.height; +} + +unsigned int +_cogl_rectangle_map_get_remaining_space (CoglRectangleMap *map) +{ + return map->space_remaining; +} + +unsigned int +_cogl_rectangle_map_get_n_rectangles (CoglRectangleMap *map) +{ + return map->n_rectangles; +} + +static void +_cogl_rectangle_map_internal_foreach (CoglRectangleMap *map, + CoglRectangleMapInternalForeachCb func, + void *data) +{ + /* Stack of nodes to search in */ + GArray *stack = map->stack; + + /* Start with the root node */ + g_array_set_size (stack, 0); + _cogl_rectangle_map_stack_push (stack, map->root, 0); + + /* Iterate all nodes depth-first */ + while (stack->len > 0) + { + CoglRectangleMapStackEntry *stack_top = + _cogl_rectangle_map_stack_get_top (stack); + CoglRectangleMapNode *node = stack_top->node; + + switch (node->type) + { + case COGL_RECTANGLE_MAP_BRANCH: + if (stack_top->next_index == 0) + { + /* Next time we come back to this node, go to the right */ + stack_top->next_index = 1; + + /* Explore the left branch next */ + _cogl_rectangle_map_stack_push (stack, + node->d.branch.left, + 0); + } + else if (stack_top->next_index == 1) + { + /* Next time we come back to this node, stop processing it */ + stack_top->next_index = 2; + + /* Explore the right branch next */ + _cogl_rectangle_map_stack_push (stack, + node->d.branch.right, + 0); + } + else + { + /* We're finished with this node so we can call the callback */ + func (node, data); + _cogl_rectangle_map_stack_pop (stack); + } + break; + + default: + /* Some sort of leaf node, just call the callback */ + func (node, data); + _cogl_rectangle_map_stack_pop (stack); + break; + } + } + + /* The stack should now be empty */ + g_assert (stack->len == 0); +} + +typedef struct _CoglRectangleMapForeachClosure +{ + CoglRectangleMapCallback callback; + void *data; +} CoglRectangleMapForeachClosure; + +static void +_cogl_rectangle_map_foreach_cb (CoglRectangleMapNode *node, void *data) +{ + CoglRectangleMapForeachClosure *closure = data; + + if (node->type == COGL_RECTANGLE_MAP_FILLED_LEAF) + closure->callback (&node->rectangle, node->d.data, closure->data); +} + +void +_cogl_rectangle_map_foreach (CoglRectangleMap *map, + CoglRectangleMapCallback callback, + void *data) +{ + CoglRectangleMapForeachClosure closure; + + closure.callback = callback; + closure.data = data; + + _cogl_rectangle_map_internal_foreach (map, + _cogl_rectangle_map_foreach_cb, + &closure); +} + +static void +_cogl_rectangle_map_free_cb (CoglRectangleMapNode *node, void *data) +{ + CoglRectangleMap *map = data; + + if (node->type == COGL_RECTANGLE_MAP_FILLED_LEAF && map->value_destroy_func) + map->value_destroy_func (node->d.data); + + _cogl_rectangle_map_node_free (node); +} + +void +_cogl_rectangle_map_free (CoglRectangleMap *map) +{ + _cogl_rectangle_map_internal_foreach (map, + _cogl_rectangle_map_free_cb, + map); + + g_array_free (map->stack, TRUE); + + g_free (map); +} + +#if defined (COGL_ENABLE_DEBUG) && defined (HAVE_CAIRO) + +static void +_cogl_rectangle_map_dump_image_cb (CoglRectangleMapNode *node, void *data) +{ + cairo_t *cr = data; + + if (node->type == COGL_RECTANGLE_MAP_FILLED_LEAF || + node->type == COGL_RECTANGLE_MAP_EMPTY_LEAF) + { + /* Fill the rectangle using a different colour depending on + whether the rectangle is used */ + if (node->type == COGL_RECTANGLE_MAP_FILLED_LEAF) + cairo_set_source_rgb (cr, 0.0, 0.0, 1.0); + else + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + + cairo_rectangle (cr, + node->rectangle.x, + node->rectangle.y, + node->rectangle.width, + node->rectangle.height); + + cairo_fill_preserve (cr); + + /* Draw a white outline around the rectangle */ + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_stroke (cr); + } +} + +static void +_cogl_rectangle_map_dump_image (CoglRectangleMap *map) +{ + /* This dumps a png to help visualize the map. Each leaf rectangle + is drawn with a white outline. Unused leaves are filled in black + and used leaves are blue */ + + cairo_surface_t *surface = + cairo_image_surface_create (CAIRO_FORMAT_RGB24, + _cogl_rectangle_map_get_width (map), + _cogl_rectangle_map_get_height (map)); + cairo_t *cr = cairo_create (surface); + + _cogl_rectangle_map_internal_foreach (map, + _cogl_rectangle_map_dump_image_cb, + cr); + + cairo_destroy (cr); + + cairo_surface_write_to_png (surface, "cogl-rectangle-map-dump.png"); + + cairo_surface_destroy (surface); +} + +#endif /* COGL_ENABLE_DEBUG && HAVE_CAIRO */ diff --git a/cogl/cogl-rectangle-map.h b/cogl/cogl-rectangle-map.h new file mode 100644 index 0000000..1dd50fd --- /dev/null +++ b/cogl/cogl-rectangle-map.h @@ -0,0 +1,84 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_RECTANGLE_MAP_H +#define __COGL_RECTANGLE_MAP_H + +#include +#include "cogl-types.h" + +typedef struct _CoglRectangleMap CoglRectangleMap; +typedef struct _CoglRectangleMapEntry CoglRectangleMapEntry; + +typedef void (* CoglRectangleMapCallback) (const CoglRectangleMapEntry *entry, + void *rectangle_data, + void *user_data); + +struct _CoglRectangleMapEntry +{ + unsigned int x, y; + unsigned int width, height; +}; + +CoglRectangleMap * +_cogl_rectangle_map_new (unsigned int width, + unsigned int height, + GDestroyNotify value_destroy_func); + +CoglBool +_cogl_rectangle_map_add (CoglRectangleMap *map, + unsigned int width, + unsigned int height, + void *data, + CoglRectangleMapEntry *rectangle); + +void +_cogl_rectangle_map_remove (CoglRectangleMap *map, + const CoglRectangleMapEntry *rectangle); + +unsigned int +_cogl_rectangle_map_get_width (CoglRectangleMap *map); + +unsigned int +_cogl_rectangle_map_get_height (CoglRectangleMap *map); + +unsigned int +_cogl_rectangle_map_get_remaining_space (CoglRectangleMap *map); + +unsigned int +_cogl_rectangle_map_get_n_rectangles (CoglRectangleMap *map); + +void +_cogl_rectangle_map_foreach (CoglRectangleMap *map, + CoglRectangleMapCallback callback, + void *data); + +void +_cogl_rectangle_map_free (CoglRectangleMap *map); + +#endif /* __COGL_RECTANGLE_MAP_H */ diff --git a/cogl/cogl-renderer-private.h b/cogl/cogl-renderer-private.h new file mode 100644 index 0000000..3871d91 --- /dev/null +++ b/cogl/cogl-renderer-private.h @@ -0,0 +1,132 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_RENDERER_PRIVATE_H +#define __COGL_RENDERER_PRIVATE_H + +#include + +#include "cogl-object-private.h" +#include "cogl-winsys-private.h" +#include "cogl-driver.h" +#include "cogl-texture-driver.h" +#include "cogl-context.h" +#include "cogl-closure-list-private.h" + +#ifdef COGL_HAS_XLIB_SUPPORT +#include +#endif + +#if defined (COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT) +#include +#endif + +struct _CoglRenderer +{ + CoglObject _parent; + CoglBool connected; + CoglDriver driver_override; + const CoglDriverVtable *driver_vtable; + const CoglTextureDriver *texture_driver; + const CoglWinsysVtable *winsys_vtable; + CoglWinsysID winsys_id_override; + GList *constraints; + + GArray *poll_fds; + int poll_fds_age; + GList *poll_sources; + + CoglList idle_closures; + + GList *outputs; + +#ifdef COGL_HAS_XLIB_SUPPORT + Display *foreign_xdpy; + CoglBool xlib_enable_event_retrieval; +#endif + +#ifdef COGL_HAS_WIN32_SUPPORT + CoglBool win32_enable_event_retrieval; +#endif + + CoglDriver driver; + unsigned long private_features + [COGL_FLAGS_N_LONGS_FOR_SIZE (COGL_N_PRIVATE_FEATURES)]; +#ifndef HAVE_DIRECTLY_LINKED_GL_LIBRARY + GModule *libgl_module; +#endif + +#if defined (COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT) + struct wl_display *foreign_wayland_display; + CoglBool wayland_enable_event_dispatch; +#endif + +#if defined (COGL_HAS_EGL_PLATFORM_KMS_SUPPORT) + int kms_fd; +#endif + +#ifdef COGL_HAS_SDL_SUPPORT + CoglBool sdl_event_type_set; + uint32_t sdl_event_type; +#endif + + /* List of callback functions that will be given every native event */ + GSList *event_filters; + void *winsys; +}; + +/* Mask of constraints that effect driver selection. All of the other + * constraints effect only the winsys selection */ +#define COGL_RENDERER_DRIVER_CONSTRAINTS \ + COGL_RENDERER_CONSTRAINT_SUPPORTS_COGL_GLES2 + +typedef CoglFilterReturn (* CoglNativeFilterFunc) (void *native_event, + void *data); + +CoglFilterReturn +_cogl_renderer_handle_native_event (CoglRenderer *renderer, + void *event); + +void +_cogl_renderer_add_native_filter (CoglRenderer *renderer, + CoglNativeFilterFunc func, + void *data); + +void +_cogl_renderer_remove_native_filter (CoglRenderer *renderer, + CoglNativeFilterFunc func, + void *data); + +void * +_cogl_renderer_get_proc_address (CoglRenderer *renderer, + const char *name, + CoglBool in_core); + +#endif /* __COGL_RENDERER_PRIVATE_H */ diff --git a/cogl/cogl-renderer.c b/cogl/cogl-renderer.c new file mode 100644 index 0000000..ef6e900 --- /dev/null +++ b/cogl/cogl-renderer.c @@ -0,0 +1,869 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include "cogl-util.h" +#include "cogl-private.h" +#include "cogl-object.h" +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" + +#include "cogl-renderer.h" +#include "cogl-renderer-private.h" +#include "cogl-display-private.h" +#include "cogl-winsys-private.h" +#include "cogl-winsys-stub-private.h" +#include "cogl-config-private.h" +#include "cogl-error-private.h" +#include "cogl-gtype-private.h" + +#ifdef COGL_HAS_EGL_PLATFORM_XLIB_SUPPORT +#include "cogl-winsys-egl-x11-private.h" +#endif +#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT +#include "cogl-winsys-egl-wayland-private.h" +#endif +#ifdef COGL_HAS_EGL_PLATFORM_KMS_SUPPORT +#include "cogl-winsys-egl-kms-private.h" +#endif +#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT +#include "cogl-winsys-egl-gdl-private.h" +#endif +#ifdef COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT +#include "cogl-winsys-egl-android-private.h" +#endif +#ifdef COGL_HAS_EGL_PLATFORM_POWERVR_NULL_SUPPORT +#include "cogl-winsys-egl-null-private.h" +#endif +#ifdef COGL_HAS_GLX_SUPPORT +#include "cogl-winsys-glx-private.h" +#endif +#ifdef COGL_HAS_WGL_SUPPORT +#include "cogl-winsys-wgl-private.h" +#endif +#ifdef COGL_HAS_SDL_SUPPORT +#include "cogl-winsys-sdl-private.h" +#endif + +#ifdef COGL_HAS_XLIB_SUPPORT +#include "cogl-xlib-renderer.h" +#endif + +typedef const CoglWinsysVtable *(*CoglWinsysVtableGetter) (void); + +#ifdef HAVE_COGL_GL +extern const CoglTextureDriver _cogl_texture_driver_gl; +extern const CoglDriverVtable _cogl_driver_gl; +#endif +#if defined (HAVE_COGL_GLES) || defined (HAVE_COGL_GLES2) +extern const CoglTextureDriver _cogl_texture_driver_gles; +extern const CoglDriverVtable _cogl_driver_gles; +#endif + +extern const CoglDriverVtable _cogl_driver_nop; + +typedef struct _CoglDriverDescription +{ + CoglDriver id; + const char *name; + CoglRendererConstraint constraints; + /* It would be nice to make this a pointer and then use a compound + * literal from C99 to initialise it but we probably can't get away + * with using C99 here. Instead we'll just use a fixed-size array. + * GCC should complain if someone adds an 8th feature to a + * driver. */ + const CoglPrivateFeature private_features[8]; + const CoglDriverVtable *vtable; + const CoglTextureDriver *texture_driver; + const char *libgl_name; +} CoglDriverDescription; + +static CoglDriverDescription _cogl_drivers[] = +{ +#ifdef HAVE_COGL_GL + { + COGL_DRIVER_GL, + "gl", + 0, + { COGL_PRIVATE_FEATURE_ANY_GL, + COGL_PRIVATE_FEATURE_GL_FIXED, + COGL_PRIVATE_FEATURE_GL_PROGRAMMABLE, + -1 }, + &_cogl_driver_gl, + &_cogl_texture_driver_gl, + COGL_GL_LIBNAME, + }, + { + COGL_DRIVER_GL3, + "gl3", + 0, + { COGL_PRIVATE_FEATURE_ANY_GL, + COGL_PRIVATE_FEATURE_GL_PROGRAMMABLE, + -1 }, + &_cogl_driver_gl, + &_cogl_texture_driver_gl, + COGL_GL_LIBNAME, + }, +#endif +#ifdef HAVE_COGL_GLES2 + { + COGL_DRIVER_GLES2, + "gles2", + COGL_RENDERER_CONSTRAINT_SUPPORTS_COGL_GLES2, + { COGL_PRIVATE_FEATURE_ANY_GL, + COGL_PRIVATE_FEATURE_GL_EMBEDDED, + COGL_PRIVATE_FEATURE_GL_PROGRAMMABLE, + -1 }, + &_cogl_driver_gles, + &_cogl_texture_driver_gles, + COGL_GLES2_LIBNAME, + }, +#endif +#ifdef HAVE_COGL_GLES + { + COGL_DRIVER_GLES1, + "gles1", + 0, + { COGL_PRIVATE_FEATURE_ANY_GL, + COGL_PRIVATE_FEATURE_GL_EMBEDDED, + COGL_PRIVATE_FEATURE_GL_FIXED, + -1 }, + &_cogl_driver_gles, + &_cogl_texture_driver_gles, + COGL_GLES1_LIBNAME, + }, +#endif +#ifdef USING_EMSCRIPTEN + { + COGL_DRIVER_WEBGL, + "webgl", + 0, + { COGL_PRIVATE_FEATURE_ANY_GL, + COGL_PRIVATE_FEATURE_GL_EMBEDDED, + COGL_PRIVATE_FEATURE_GL_PROGRAMMABLE, + COGL_PRIVATE_FEATURE_GL_WEB, + -1 }, + &_cogl_driver_gles, + &_cogl_texture_driver_gles, + NULL, + }, +#endif + { + COGL_DRIVER_NOP, + "nop", + 0, /* constraints satisfied */ + { -1 }, + &_cogl_driver_nop, + NULL, /* texture driver */ + NULL /* libgl_name */ + } +}; + +static CoglWinsysVtableGetter _cogl_winsys_vtable_getters[] = +{ +#ifdef COGL_HAS_GLX_SUPPORT + _cogl_winsys_glx_get_vtable, +#endif +#ifdef COGL_HAS_EGL_PLATFORM_XLIB_SUPPORT + _cogl_winsys_egl_xlib_get_vtable, +#endif +#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT + _cogl_winsys_egl_wayland_get_vtable, +#endif +#ifdef COGL_HAS_EGL_PLATFORM_KMS_SUPPORT + _cogl_winsys_egl_kms_get_vtable, +#endif +#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT + _cogl_winsys_egl_gdl_get_vtable, +#endif +#ifdef COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT + _cogl_winsys_egl_android_get_vtable, +#endif +#ifdef COGL_HAS_EGL_PLATFORM_POWERVR_NULL_SUPPORT + _cogl_winsys_egl_null_get_vtable, +#endif +#ifdef COGL_HAS_WGL_SUPPORT + _cogl_winsys_wgl_get_vtable, +#endif +#ifdef COGL_HAS_SDL_SUPPORT + _cogl_winsys_sdl_get_vtable, +#endif + _cogl_winsys_stub_get_vtable, +}; + +static void _cogl_renderer_free (CoglRenderer *renderer); + +COGL_OBJECT_DEFINE (Renderer, renderer); +COGL_GTYPE_DEFINE_CLASS (Renderer, renderer); + +typedef struct _CoglNativeFilterClosure +{ + CoglNativeFilterFunc func; + void *data; +} CoglNativeFilterClosure; + +uint32_t +cogl_renderer_error_quark (void) +{ + return g_quark_from_static_string ("cogl-renderer-error-quark"); +} + +static const CoglWinsysVtable * +_cogl_renderer_get_winsys (CoglRenderer *renderer) +{ + return renderer->winsys_vtable; +} + +static void +native_filter_closure_free (CoglNativeFilterClosure *closure) +{ + g_slice_free (CoglNativeFilterClosure, closure); +} + +static void +_cogl_renderer_free (CoglRenderer *renderer) +{ + const CoglWinsysVtable *winsys = _cogl_renderer_get_winsys (renderer); + + _cogl_closure_list_disconnect_all (&renderer->idle_closures); + + if (winsys) + winsys->renderer_disconnect (renderer); + +#ifndef HAVE_DIRECTLY_LINKED_GL_LIBRARY + if (renderer->libgl_module) + g_module_close (renderer->libgl_module); +#endif + + g_slist_foreach (renderer->event_filters, + (GFunc) native_filter_closure_free, + NULL); + g_slist_free (renderer->event_filters); + + g_array_free (renderer->poll_fds, TRUE); + + g_free (renderer); +} + +CoglRenderer * +cogl_renderer_new (void) +{ + CoglRenderer *renderer = g_new0 (CoglRenderer, 1); + + _cogl_init (); + + renderer->connected = FALSE; + renderer->event_filters = NULL; + + renderer->poll_fds = g_array_new (FALSE, TRUE, sizeof (CoglPollFD)); + + _cogl_list_init (&renderer->idle_closures); + +#ifdef COGL_HAS_XLIB_SUPPORT + renderer->xlib_enable_event_retrieval = TRUE; +#endif + +#ifdef COGL_HAS_WIN32_SUPPORT + renderer->win32_enable_event_retrieval = TRUE; +#endif + +#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT + renderer->wayland_enable_event_dispatch = TRUE; +#endif + +#ifdef COGL_HAS_EGL_PLATFORM_KMS_SUPPORT + renderer->kms_fd = -1; +#endif + + return _cogl_renderer_object_new (renderer); +} + +#ifdef COGL_HAS_XLIB_SUPPORT +void +cogl_xlib_renderer_set_foreign_display (CoglRenderer *renderer, + Display *xdisplay) +{ + _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer)); + + /* NB: Renderers are considered immutable once connected */ + _COGL_RETURN_IF_FAIL (!renderer->connected); + + renderer->foreign_xdpy = xdisplay; + + /* If the application is using a foreign display then we can assume + it will also do its own event retrieval */ + cogl_xlib_renderer_set_event_retrieval_enabled (renderer, FALSE); +} + +Display * +cogl_xlib_renderer_get_foreign_display (CoglRenderer *renderer) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL); + + return renderer->foreign_xdpy; +} + +void +cogl_xlib_renderer_set_event_retrieval_enabled (CoglRenderer *renderer, + CoglBool enable) +{ + _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer)); + /* NB: Renderers are considered immutable once connected */ + _COGL_RETURN_IF_FAIL (!renderer->connected); + + renderer->xlib_enable_event_retrieval = enable; +} +#endif /* COGL_HAS_XLIB_SUPPORT */ + +CoglBool +cogl_renderer_check_onscreen_template (CoglRenderer *renderer, + CoglOnscreenTemplate *onscreen_template, + CoglError **error) +{ + CoglDisplay *display; + + if (!cogl_renderer_connect (renderer, error)) + return FALSE; + + display = cogl_display_new (renderer, onscreen_template); + if (!cogl_display_setup (display, error)) + { + cogl_object_unref (display); + return FALSE; + } + + cogl_object_unref (display); + + return TRUE; +} + +typedef CoglBool (*CoglDriverCallback) (CoglDriverDescription *description, + void *user_data); + +static void +foreach_driver_description (CoglDriver driver_override, + CoglDriverCallback callback, + void *user_data) +{ +#ifdef COGL_DEFAULT_DRIVER + const CoglDriverDescription *default_driver = NULL; +#endif + int i; + + if (driver_override != COGL_DRIVER_ANY) + { + for (i = 0; i < G_N_ELEMENTS (_cogl_drivers); i++) + { + if (_cogl_drivers[i].id == driver_override) + { + callback (&_cogl_drivers[i], user_data); + return; + } + } + + g_warn_if_reached (); + return; + } + +#ifdef COGL_DEFAULT_DRIVER + for (i = 0; i < G_N_ELEMENTS (_cogl_drivers); i++) + { + const CoglDriverDescription *desc = &_cogl_drivers[i]; + if (g_ascii_strcasecmp (desc->name, COGL_DEFAULT_DRIVER) == 0) + { + default_driver = desc; + break; + } + } + + if (default_driver) + { + if (!callback (default_driver, user_data)) + return; + } +#endif + + for (i = 0; i < G_N_ELEMENTS (_cogl_drivers); i++) + { +#ifdef COGL_DEFAULT_DRIVER + if (&_cogl_drivers[i] == default_driver) + continue; +#endif + + if (!callback (&_cogl_drivers[i], user_data)) + return; + } +} + +static CoglDriver +driver_name_to_id (const char *name) +{ + int i; + + for (i = 0; i < G_N_ELEMENTS (_cogl_drivers); i++) + { + if (g_ascii_strcasecmp (_cogl_drivers[i].name, name) == 0) + return _cogl_drivers[i].id; + } + + return COGL_DRIVER_ANY; +} + +static const char * +driver_id_to_name (CoglDriver id) +{ + switch (id) + { + case COGL_DRIVER_GL: + return "gl"; + case COGL_DRIVER_GL3: + return "gl3"; + case COGL_DRIVER_GLES1: + return "gles1"; + case COGL_DRIVER_GLES2: + return "gles2"; + case COGL_DRIVER_WEBGL: + return "webgl"; + case COGL_DRIVER_NOP: + return "nop"; + case COGL_DRIVER_ANY: + g_warn_if_reached (); + return "any"; + } + + g_warn_if_reached (); + return "unknown"; +} + +typedef struct _SatisfyConstraintsState +{ + GList *constraints; + const CoglDriverDescription *driver_description; +} SatisfyConstraintsState; + +static CoglBool +satisfy_constraints (CoglDriverDescription *description, + void *user_data) +{ + SatisfyConstraintsState *state = user_data; + GList *l; + + for (l = state->constraints; l; l = l->next) + { + CoglRendererConstraint constraint = GPOINTER_TO_UINT (l->data); + + /* Most of the constraints only affect the winsys selection so + * we'll filter them out */ + if (!(constraint & COGL_RENDERER_DRIVER_CONSTRAINTS)) + continue; + + /* If the driver doesn't satisfy any constraint then continue + * to the next driver description */ + if (!(constraint & description->constraints)) + return TRUE; + } + + state->driver_description = description; + + return FALSE; +} + +static CoglBool +_cogl_renderer_choose_driver (CoglRenderer *renderer, + CoglError **error) +{ + const char *driver_name = g_getenv ("COGL_DRIVER"); + CoglDriver driver_override = COGL_DRIVER_ANY; + const char *invalid_override = NULL; + const char *libgl_name; + SatisfyConstraintsState state; + const CoglDriverDescription *desc; + int i; + + if (!driver_name) + driver_name = _cogl_config_driver; + + if (driver_name) + { + driver_override = driver_name_to_id (driver_name); + if (driver_override == COGL_DRIVER_ANY) + invalid_override = driver_name; + } + + if (renderer->driver_override != COGL_DRIVER_ANY) + { + if (driver_override != COGL_DRIVER_ANY && + renderer->driver_override != driver_override) + { + _cogl_set_error (error, + COGL_RENDERER_ERROR, + COGL_RENDERER_ERROR_BAD_CONSTRAINT, + "Application driver selection conflicts with driver " + "specified in configuration"); + return FALSE; + } + + driver_override = renderer->driver_override; + } + + if (driver_override != COGL_DRIVER_ANY) + { + CoglBool found = FALSE; + int i; + + for (i = 0; i < G_N_ELEMENTS (_cogl_drivers); i++) + { + if (_cogl_drivers[i].id == driver_override) + { + found = TRUE; + break; + } + } + if (!found) + invalid_override = driver_id_to_name (driver_override); + } + + if (invalid_override) + { + _cogl_set_error (error, + COGL_RENDERER_ERROR, + COGL_RENDERER_ERROR_BAD_CONSTRAINT, + "Driver \"%s\" is not available", + invalid_override); + return FALSE; + } + + state.driver_description = NULL; + state.constraints = renderer->constraints; + + foreach_driver_description (driver_override, + satisfy_constraints, + &state); + + if (!state.driver_description) + { + _cogl_set_error (error, + COGL_RENDERER_ERROR, + COGL_RENDERER_ERROR_BAD_CONSTRAINT, + "No suitable driver found"); + return FALSE; + } + + desc = state.driver_description; + renderer->driver = desc->id; + renderer->driver_vtable = desc->vtable; + renderer->texture_driver = desc->texture_driver; + libgl_name = desc->libgl_name; + + memset(renderer->private_features, 0, sizeof (renderer->private_features)); + for (i = 0; desc->private_features[i] != -1; i++) + COGL_FLAGS_SET (renderer->private_features, + desc->private_features[i], TRUE); + +#ifndef HAVE_DIRECTLY_LINKED_GL_LIBRARY + + if (COGL_FLAGS_GET (renderer->private_features, + COGL_PRIVATE_FEATURE_ANY_GL)) + { + renderer->libgl_module = g_module_open (libgl_name, + G_MODULE_BIND_LAZY); + + if (renderer->libgl_module == NULL) + { + _cogl_set_error (error, COGL_DRIVER_ERROR, + COGL_DRIVER_ERROR_FAILED_TO_LOAD_LIBRARY, + "Failed to dynamically open the GL library \"%s\"", + libgl_name); + return FALSE; + } + } + +#endif /* HAVE_DIRECTLY_LINKED_GL_LIBRARY */ + + return TRUE; +} + +/* Final connection API */ + +CoglBool +cogl_renderer_connect (CoglRenderer *renderer, CoglError **error) +{ + int i; + GString *error_message; + CoglBool constraints_failed = FALSE; + + if (renderer->connected) + return TRUE; + + /* The driver needs to be chosen before connecting the renderer + because eglInitialize requires the library containing the GL API + to be loaded before its called */ + if (!_cogl_renderer_choose_driver (renderer, error)) + return FALSE; + + error_message = g_string_new (""); + for (i = 0; i < G_N_ELEMENTS (_cogl_winsys_vtable_getters); i++) + { + const CoglWinsysVtable *winsys = _cogl_winsys_vtable_getters[i](); + CoglError *tmp_error = NULL; + GList *l; + CoglBool skip_due_to_constraints = FALSE; + + if (renderer->winsys_id_override != COGL_WINSYS_ID_ANY) + { + if (renderer->winsys_id_override != winsys->id) + continue; + } + else + { + char *user_choice = getenv ("COGL_RENDERER"); + if (!user_choice) + user_choice = _cogl_config_renderer; + if (user_choice && + g_ascii_strcasecmp (winsys->name, user_choice) != 0) + continue; + } + + for (l = renderer->constraints; l; l = l->next) + { + CoglRendererConstraint constraint = GPOINTER_TO_UINT (l->data); + if (!(winsys->constraints & constraint)) + { + skip_due_to_constraints = TRUE; + break; + } + } + if (skip_due_to_constraints) + { + constraints_failed |= TRUE; + continue; + } + + /* At least temporarily we will associate this winsys with + * the renderer in-case ->renderer_connect calls API that + * wants to query the current winsys... */ + renderer->winsys_vtable = winsys; + + if (!winsys->renderer_connect (renderer, &tmp_error)) + { + g_string_append_c (error_message, '\n'); + g_string_append (error_message, tmp_error->message); + cogl_error_free (tmp_error); + } + else + { + renderer->connected = TRUE; + g_string_free (error_message, TRUE); + return TRUE; + } + } + + if (!renderer->connected) + { + if (constraints_failed) + { + _cogl_set_error (error, COGL_RENDERER_ERROR, + COGL_RENDERER_ERROR_BAD_CONSTRAINT, + "Failed to connected to any renderer due to constraints"); + return FALSE; + } + + renderer->winsys_vtable = NULL; + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Failed to connected to any renderer: %s", + error_message->str); + g_string_free (error_message, TRUE); + return FALSE; + } + + return TRUE; +} + +CoglFilterReturn +_cogl_renderer_handle_native_event (CoglRenderer *renderer, + void *event) +{ + GSList *l, *next; + + /* Pass the event on to all of the registered filters in turn */ + for (l = renderer->event_filters; l; l = next) + { + CoglNativeFilterClosure *closure = l->data; + + /* The next pointer is taken now so that we can handle the + closure being removed during emission */ + next = l->next; + + if (closure->func (event, closure->data) == COGL_FILTER_REMOVE) + return COGL_FILTER_REMOVE; + } + + /* If the backend for the renderer also wants to see the events, it + should just register its own filter */ + + return COGL_FILTER_CONTINUE; +} + +void +_cogl_renderer_add_native_filter (CoglRenderer *renderer, + CoglNativeFilterFunc func, + void *data) +{ + CoglNativeFilterClosure *closure; + + closure = g_slice_new (CoglNativeFilterClosure); + closure->func = func; + closure->data = data; + + renderer->event_filters = g_slist_prepend (renderer->event_filters, closure); +} + +void +_cogl_renderer_remove_native_filter (CoglRenderer *renderer, + CoglNativeFilterFunc func, + void *data) +{ + GSList *l, *prev = NULL; + + for (l = renderer->event_filters; l; prev = l, l = l->next) + { + CoglNativeFilterClosure *closure = l->data; + + if (closure->func == func && closure->data == data) + { + native_filter_closure_free (closure); + if (prev) + prev->next = g_slist_delete_link (prev->next, l); + else + renderer->event_filters = + g_slist_delete_link (renderer->event_filters, l); + break; + } + } +} + +void +cogl_renderer_set_winsys_id (CoglRenderer *renderer, + CoglWinsysID winsys_id) +{ + _COGL_RETURN_IF_FAIL (!renderer->connected); + + renderer->winsys_id_override = winsys_id; +} + +CoglWinsysID +cogl_renderer_get_winsys_id (CoglRenderer *renderer) +{ + _COGL_RETURN_VAL_IF_FAIL (renderer->connected, 0); + + return renderer->winsys_vtable->id; +} + +void * +_cogl_renderer_get_proc_address (CoglRenderer *renderer, + const char *name, + CoglBool in_core) +{ + const CoglWinsysVtable *winsys = _cogl_renderer_get_winsys (renderer); + + return winsys->renderer_get_proc_address (renderer, name, in_core); +} + +int +cogl_renderer_get_n_fragment_texture_units (CoglRenderer *renderer) +{ + int n = 0; + + _COGL_GET_CONTEXT (ctx, 0); + +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES2) + if (cogl_has_feature (ctx, COGL_FEATURE_ID_GLSL) || + cogl_has_feature (ctx, COGL_FEATURE_ID_ARBFP)) + GE (ctx, glGetIntegerv (GL_MAX_TEXTURE_IMAGE_UNITS, &n)); +#endif + + return n; +} + +void +cogl_renderer_add_constraint (CoglRenderer *renderer, + CoglRendererConstraint constraint) +{ + g_return_if_fail (!renderer->connected); + renderer->constraints = g_list_prepend (renderer->constraints, + GUINT_TO_POINTER (constraint)); +} + +void +cogl_renderer_remove_constraint (CoglRenderer *renderer, + CoglRendererConstraint constraint) +{ + g_return_if_fail (!renderer->connected); + renderer->constraints = g_list_remove (renderer->constraints, + GUINT_TO_POINTER (constraint)); +} + +void +cogl_renderer_set_driver (CoglRenderer *renderer, + CoglDriver driver) +{ + _COGL_RETURN_IF_FAIL (!renderer->connected); + renderer->driver_override = driver; +} + +CoglDriver +cogl_renderer_get_driver (CoglRenderer *renderer) +{ + _COGL_RETURN_VAL_IF_FAIL (renderer->connected, 0); + + return renderer->driver; +} + +void +cogl_renderer_foreach_output (CoglRenderer *renderer, + CoglOutputCallback callback, + void *user_data) +{ + GList *l; + + _COGL_RETURN_IF_FAIL (renderer->connected); + _COGL_RETURN_IF_FAIL (callback != NULL); + + for (l = renderer->outputs; l; l = l->next) + callback (l->data, user_data); +} diff --git a/cogl/cogl-renderer.h b/cogl/cogl-renderer.h new file mode 100644 index 0000000..78cb25d --- /dev/null +++ b/cogl/cogl-renderer.h @@ -0,0 +1,446 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_RENDERER_H__ +#define __COGL_RENDERER_H__ + +#include +#include +#include +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-renderer + * @short_description: Choosing a means to render + * + * A #CoglRenderer represents a means to render. It encapsulates the + * selection of an underlying driver, such as OpenGL or OpenGL-ES and + * a selection of a window system binding API such as GLX, or EGL or + * WGL. + * + * A #CoglRenderer has two states, "unconnected" and "connected". When + * a renderer is first instantiated using cogl_renderer_new() it is + * unconnected so that it can be configured and constraints can be + * specified for how the backend driver and window system should be + * chosen. + * + * After configuration a #CoglRenderer can (optionally) be explicitly + * connected using cogl_renderer_connect() which allows for the + * handling of connection errors so that fallback configurations can + * be tried if necessary. Applications that don't support any + * fallbacks though can skip using cogl_renderer_connect() and leave + * Cogl to automatically connect the renderer. + * + * Once you have a configured #CoglRenderer it can be used to create a + * #CoglDisplay object using cogl_display_new(). + * + * Many applications don't need to explicitly use + * cogl_renderer_new() or cogl_display_new() and can just jump + * straight to cogl_context_new() and pass a %NULL display argument so + * Cogl will automatically connect and setup a renderer and + * display. + */ + + +/** + * COGL_RENDERER_ERROR: + * + * An error domain for exceptions reported by Cogl + */ +#define COGL_RENDERER_ERROR cogl_renderer_error_quark () + +uint32_t +cogl_renderer_error_quark (void); + +typedef struct _CoglRenderer CoglRenderer; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_renderer_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_renderer_get_gtype (void); +#endif + +/** + * cogl_is_renderer: + * @object: A #CoglObject pointer + * + * Determines if the given @object is a #CoglRenderer + * + * Return value: %TRUE if @object is a #CoglRenderer, else %FALSE. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_is_renderer (void *object); + +/** + * cogl_renderer_new: + * + * Instantiates a new (unconnected) #CoglRenderer object. A + * #CoglRenderer represents a means to render. It encapsulates the + * selection of an underlying driver, such as OpenGL or OpenGL-ES and + * a selection of a window system binding API such as GLX, or EGL or + * WGL. + * + * While the renderer is unconnected it can be configured so that + * applications may specify backend constraints, such as "must use + * x11" for example via cogl_renderer_add_constraint(). + * + * There are also some platform specific configuration apis such + * as cogl_xlib_renderer_set_foreign_display() that may also be + * used while the renderer is unconnected. + * + * Once the renderer has been configured, then it may (optionally) be + * explicitly connected using cogl_renderer_connect() which allows + * errors to be handled gracefully and potentially fallback + * configurations can be tried out if there are initial failures. + * + * If a renderer is not explicitly connected then cogl_display_new() + * will automatically connect the renderer for you. If you don't + * have any code to deal with error/fallback situations then its fine + * to just let Cogl do the connection for you. + * + * Once you have setup your renderer then the next step is to create a + * #CoglDisplay using cogl_display_new(). + * + * Many applications don't need to explicitly use + * cogl_renderer_new() or cogl_display_new() and can just jump + * straight to cogl_context_new() and pass a %NULL display argument + * so Cogl will automatically connect and setup a renderer and + * display. + * + * Return value: (transfer full): A newly created #CoglRenderer. + * + * Since: 1.10 + * Stability: unstable + */ +CoglRenderer * +cogl_renderer_new (void); + +/* optional configuration APIs */ + +/** + * CoglWinsysID: + * @COGL_WINSYS_ID_ANY: Implies no preference for which backend is used + * @COGL_WINSYS_ID_STUB: Use the no-op stub backend + * @COGL_WINSYS_ID_GLX: Use the GLX window system binding API + * @COGL_WINSYS_ID_EGL_XLIB: Use EGL with the X window system via XLib + * @COGL_WINSYS_ID_EGL_NULL: Use EGL with the PowerVR NULL window system + * @COGL_WINSYS_ID_EGL_GDL: Use EGL with the GDL platform + * @COGL_WINSYS_ID_EGL_WAYLAND: Use EGL with the Wayland window system + * @COGL_WINSYS_ID_EGL_KMS: Use EGL with the KMS platform + * @COGL_WINSYS_ID_EGL_ANDROID: Use EGL with the Android platform + * @COGL_WINSYS_ID_WGL: Use the Microsoft Windows WGL binding API + * @COGL_WINSYS_ID_SDL: Use the SDL window system + * + * Identifies specific window system backends that Cogl supports. + * + * These can be used to query what backend Cogl is using or to try and + * explicitly select a backend to use. + */ +typedef enum +{ + COGL_WINSYS_ID_ANY, + COGL_WINSYS_ID_STUB, + COGL_WINSYS_ID_GLX, + COGL_WINSYS_ID_EGL_XLIB, + COGL_WINSYS_ID_EGL_NULL, + COGL_WINSYS_ID_EGL_GDL, + COGL_WINSYS_ID_EGL_WAYLAND, + COGL_WINSYS_ID_EGL_KMS, + COGL_WINSYS_ID_EGL_ANDROID, + COGL_WINSYS_ID_WGL, + COGL_WINSYS_ID_SDL +} CoglWinsysID; + +/** + * cogl_renderer_set_winsys_id: + * @renderer: A #CoglRenderer + * @winsys_id: An ID of the winsys you explicitly want to use. + * + * This allows you to explicitly select a winsys backend to use instead + * of letting Cogl automatically select a backend. + * + * if you select an unsupported backend then cogl_renderer_connect() + * will fail and report an error. + * + * This may only be called on an un-connected #CoglRenderer. + */ +void +cogl_renderer_set_winsys_id (CoglRenderer *renderer, + CoglWinsysID winsys_id); + +/** + * cogl_renderer_get_winsys_id: + * @renderer: A #CoglRenderer + * + * Queries which window system backend Cogl has chosen to use. + * + * This may only be called on a connected #CoglRenderer. + * + * Returns: The #CoglWinsysID corresponding to the chosen window + * system backend. + */ +CoglWinsysID +cogl_renderer_get_winsys_id (CoglRenderer *renderer); + +/** + * cogl_renderer_get_n_fragment_texture_units: + * @renderer: A #CoglRenderer + * + * Queries how many texture units can be used from fragment programs + * + * Returns: the number of texture image units. + * + * Since: 1.8 + * Stability: Unstable + */ +int +cogl_renderer_get_n_fragment_texture_units (CoglRenderer *renderer); + +/** + * cogl_renderer_check_onscreen_template: + * @renderer: A #CoglRenderer + * @onscreen_template: A #CoglOnscreenTemplate + * @error: A pointer to a #CoglError for reporting exceptions + * + * Tests if a given @onscreen_template can be supported with the given + * @renderer. + * + * Return value: %TRUE if the @onscreen_template can be supported, + * else %FALSE. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_renderer_check_onscreen_template (CoglRenderer *renderer, + CoglOnscreenTemplate *onscreen_template, + CoglError **error); + +/* Final connection API */ + +/** + * cogl_renderer_connect: + * @renderer: An unconnected #CoglRenderer + * @error: a pointer to a #CoglError for reporting exceptions + * + * Connects the configured @renderer. Renderer connection isn't a + * very active process, it basically just means validating that + * any given constraint criteria can be satisfied and that a + * usable driver and window system backend can be found. + * + * Return value: %TRUE if there was no error while connecting the + * given @renderer. %FALSE if there was an error. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_renderer_connect (CoglRenderer *renderer, CoglError **error); + +/** + * CoglRendererConstraint: + * @COGL_RENDERER_CONSTRAINT_USES_X11: Require the renderer to be X11 based + * @COGL_RENDERER_CONSTRAINT_USES_XLIB: Require the renderer to be X11 + * based and use Xlib + * @COGL_RENDERER_CONSTRAINT_USES_EGL: Require the renderer to be EGL based + * @COGL_RENDERER_CONSTRAINT_SUPPORTS_COGL_GLES2: Require that the + * renderer supports creating a #CoglGLES2Context via + * cogl_gles2_context_new(). This can be used to integrate GLES 2.0 + * code into Cogl based applications. + * + * These constraint flags are hard-coded features of the different renderer + * backends. Sometimes a platform may support multiple rendering options which + * Cogl will usually choose from automatically. Some of these features are + * important to higher level applications and frameworks though, such as + * whether a renderer is X11 based because an application might only support + * X11 based input handling. An application might also need to ensure EGL is + * used internally too if they depend on access to an EGLDisplay for some + * purpose. + * + * Applications should ideally minimize how many of these constraints + * they depend on to ensure maximum portability. + * + * Since: 1.10 + * Stability: unstable + */ +typedef enum +{ + COGL_RENDERER_CONSTRAINT_USES_X11 = (1 << 0), + COGL_RENDERER_CONSTRAINT_USES_XLIB = (1 << 1), + COGL_RENDERER_CONSTRAINT_USES_EGL = (1 << 2), + COGL_RENDERER_CONSTRAINT_SUPPORTS_COGL_GLES2 = (1 << 3) +} CoglRendererConstraint; + + +/** + * cogl_renderer_add_constraint: + * @renderer: An unconnected #CoglRenderer + * @constraint: A #CoglRendererConstraint to add + * + * This adds a renderer selection @constraint. + * + * Applications should ideally minimize how many of these constraints they + * depend on to ensure maximum portability. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_renderer_add_constraint (CoglRenderer *renderer, + CoglRendererConstraint constraint); + +/** + * cogl_renderer_remove_constraint: + * @renderer: An unconnected #CoglRenderer + * @constraint: A #CoglRendererConstraint to remove + * + * This removes a renderer selection @constraint. + * + * Applications should ideally minimize how many of these constraints they + * depend on to ensure maximum portability. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_renderer_remove_constraint (CoglRenderer *renderer, + CoglRendererConstraint constraint); + +/** + * CoglDriver: + * @COGL_DRIVER_ANY: Implies no preference for which driver is used + * @COGL_DRIVER_NOP: A No-Op driver. + * @COGL_DRIVER_GL: An OpenGL driver. + * @COGL_DRIVER_GL3: An OpenGL driver using the core GL 3.1 profile + * @COGL_DRIVER_GLES1: An OpenGL ES 1.1 driver. + * @COGL_DRIVER_GLES2: An OpenGL ES 2.0 driver. + * @COGL_DRIVER_WEBGL: A WebGL driver. + * + * Identifiers for underlying hardware drivers that may be used by + * Cogl for rendering. + * + * Since: 1.10 + * Stability: unstable + */ +typedef enum +{ + COGL_DRIVER_ANY, + COGL_DRIVER_NOP, + COGL_DRIVER_GL, + COGL_DRIVER_GL3, + COGL_DRIVER_GLES1, + COGL_DRIVER_GLES2, + COGL_DRIVER_WEBGL +} CoglDriver; + +/** + * cogl_renderer_set_driver: + * @renderer: An unconnected #CoglRenderer + * + * Requests that Cogl should try to use a specific underlying driver + * for rendering. + * + * If you select an unsupported driver then cogl_renderer_connect() + * will fail and report an error. Most applications should not + * explicitly select a driver and should rely on Cogl automatically + * choosing the driver. + * + * This may only be called on an un-connected #CoglRenderer. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_renderer_set_driver (CoglRenderer *renderer, + CoglDriver driver); + +/** + * cogl_renderer_get_driver: + * @renderer: A connected #CoglRenderer + * + * Queries what underlying driver is being used by Cogl. + * + * This may only be called on a connected #CoglRenderer. + * + * Since: 1.10 + * Stability: unstable + */ +CoglDriver +cogl_renderer_get_driver (CoglRenderer *renderer); + +/** + * CoglOutputCallback: + * @output: The current display output being iterated + * @user_data: The user pointer passed to + * cogl_renderer_foreach_output() + * + * A callback type that can be passed to + * cogl_renderer_foreach_output() for iterating display outputs for a + * given renderer. + * + * Since: 1.14 + * Stability: Unstable + */ +typedef void (*CoglOutputCallback) (CoglOutput *output, void *user_data); + +/** + * cogl_renderer_foreach_output: + * @renderer: A connected #CoglRenderer + * @callback: (scope call): A #CoglOutputCallback to be called for + * each display output + * @user_data: A user pointer to be passed to @callback + * + * Iterates all known display outputs for the given @renderer and + * passes a corresponding #CoglOutput pointer to the given @callback + * for each one, along with the given @user_data. + * + * Since: 1.14 + * Stability: Unstable + */ +void +cogl_renderer_foreach_output (CoglRenderer *renderer, + CoglOutputCallback callback, + void *user_data); + +COGL_END_DECLS + +#endif /* __COGL_RENDERER_H__ */ + diff --git a/cogl/cogl-sampler-cache-private.h b/cogl/cogl-sampler-cache-private.h new file mode 100644 index 0000000..5688eff --- /dev/null +++ b/cogl/cogl-sampler-cache-private.h @@ -0,0 +1,96 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_SAMPLER_CACHE_PRIVATE_H +#define __COGL_SAMPLER_CACHE_PRIVATE_H + +#include "cogl-context.h" +#include "cogl-gl-header.h" + +/* These aren't defined in the GLES headers */ +#ifndef GL_CLAMP_TO_BORDER +#define GL_CLAMP_TO_BORDER 0x812d +#endif +#ifndef GL_MIRRORED_REPEAT +#define GL_MIRRORED_REPEAT 0x8370 +#endif + +/* GL_ALWAYS is just used here as a value that is known not to clash + * with any valid GL wrap modes. + * + * XXX: keep the values in sync with the CoglPipelineWrapMode enum + * so no conversion is actually needed. + */ +typedef enum _CoglSamplerCacheWrapMode +{ + COGL_SAMPLER_CACHE_WRAP_MODE_REPEAT = GL_REPEAT, + COGL_SAMPLER_CACHE_WRAP_MODE_MIRRORED_REPEAT = GL_MIRRORED_REPEAT, + COGL_SAMPLER_CACHE_WRAP_MODE_CLAMP_TO_EDGE = GL_CLAMP_TO_EDGE, + COGL_SAMPLER_CACHE_WRAP_MODE_CLAMP_TO_BORDER = GL_CLAMP_TO_BORDER, + COGL_SAMPLER_CACHE_WRAP_MODE_AUTOMATIC = GL_ALWAYS +} CoglSamplerCacheWrapMode; + +typedef struct _CoglSamplerCache CoglSamplerCache; + +typedef struct _CoglSamplerCacheEntry +{ + GLuint sampler_object; + + GLenum min_filter; + GLenum mag_filter; + + CoglSamplerCacheWrapMode wrap_mode_s; + CoglSamplerCacheWrapMode wrap_mode_t; + CoglSamplerCacheWrapMode wrap_mode_p; +} CoglSamplerCacheEntry; + +CoglSamplerCache * +_cogl_sampler_cache_new (CoglContext *context); + +const CoglSamplerCacheEntry * +_cogl_sampler_cache_get_default_entry (CoglSamplerCache *cache); + +const CoglSamplerCacheEntry * +_cogl_sampler_cache_update_wrap_modes (CoglSamplerCache *cache, + const CoglSamplerCacheEntry *old_entry, + CoglSamplerCacheWrapMode wrap_mode_s, + CoglSamplerCacheWrapMode wrap_mode_t, + CoglSamplerCacheWrapMode wrap_mode_p); + +const CoglSamplerCacheEntry * +_cogl_sampler_cache_update_filters (CoglSamplerCache *cache, + const CoglSamplerCacheEntry *old_entry, + GLenum min_filter, + GLenum mag_filter); + +void +_cogl_sampler_cache_free (CoglSamplerCache *cache); + +#endif /* __COGL_SAMPLER_CACHE_PRIVATE_H */ diff --git a/cogl/cogl-sampler-cache.c b/cogl/cogl-sampler-cache.c new file mode 100644 index 0000000..e21c64c --- /dev/null +++ b/cogl/cogl-sampler-cache.c @@ -0,0 +1,371 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-sampler-cache-private.h" +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" + +#ifndef GL_TEXTURE_WRAP_R +#define GL_TEXTURE_WRAP_R 0x8072 +#endif + +struct _CoglSamplerCache +{ + CoglContext *context; + + /* The samplers are hashed in two tables. One is using the enum + values that Cogl exposes (so it can include the 'automatic' wrap + mode) and the other is using the converted values that will be + given to GL. The first is used to get a unique pointer for the + sampler state so that pipelines only need to store a single + pointer instead of the whole state and the second is used so that + only a single GL sampler object will be created for each unique + GL state. */ + GHashTable *hash_table_cogl; + GHashTable *hash_table_gl; + + /* This is used for generated fake unique sampler object numbers + when the sampler object extension is not supported */ + GLuint next_fake_sampler_object_number; +}; + +static CoglSamplerCacheWrapMode +get_real_wrap_mode (CoglSamplerCacheWrapMode wrap_mode) +{ + if (wrap_mode == COGL_SAMPLER_CACHE_WRAP_MODE_AUTOMATIC) + return COGL_SAMPLER_CACHE_WRAP_MODE_CLAMP_TO_EDGE; + + return wrap_mode; +} + +static void +canonicalize_key (CoglSamplerCacheEntry *key) +{ + /* This converts the wrap modes to the enums that will actually be + given to GL so that it can be used as a key to get a unique GL + sampler object for the state */ + key->wrap_mode_s = get_real_wrap_mode (key->wrap_mode_s); + key->wrap_mode_t = get_real_wrap_mode (key->wrap_mode_t); + key->wrap_mode_p = get_real_wrap_mode (key->wrap_mode_p); +} + +static CoglBool +wrap_mode_equal_gl (CoglSamplerCacheWrapMode wrap_mode0, + CoglSamplerCacheWrapMode wrap_mode1) +{ + /* We want to compare the actual GLenum that will be used so that if + two different wrap_modes actually use the same GL state we'll + still use the same sampler object */ + return get_real_wrap_mode (wrap_mode0) == get_real_wrap_mode (wrap_mode1); +} + +static CoglBool +sampler_state_equal_gl (const void *value0, + const void *value1) +{ + const CoglSamplerCacheEntry *state0 = value0; + const CoglSamplerCacheEntry *state1 = value1; + + return (state0->mag_filter == state1->mag_filter && + state0->min_filter == state1->min_filter && + wrap_mode_equal_gl (state0->wrap_mode_s, state1->wrap_mode_s) && + wrap_mode_equal_gl (state0->wrap_mode_t, state1->wrap_mode_t) && + wrap_mode_equal_gl (state0->wrap_mode_p, state1->wrap_mode_p)); +} + +static unsigned int +hash_wrap_mode_gl (unsigned int hash, + CoglSamplerCacheWrapMode wrap_mode) +{ + /* We want to hash the actual GLenum that will be used so that if + two different wrap_modes actually use the same GL state we'll + still use the same sampler object */ + GLenum real_wrap_mode = get_real_wrap_mode (wrap_mode); + + return _cogl_util_one_at_a_time_hash (hash, + &real_wrap_mode, + sizeof (real_wrap_mode)); +} + +static unsigned int +hash_sampler_state_gl (const void *key) +{ + const CoglSamplerCacheEntry *entry = key; + unsigned int hash = 0; + + hash = _cogl_util_one_at_a_time_hash (hash, &entry->mag_filter, + sizeof (entry->mag_filter)); + hash = _cogl_util_one_at_a_time_hash (hash, &entry->min_filter, + sizeof (entry->min_filter)); + hash = hash_wrap_mode_gl (hash, entry->wrap_mode_s); + hash = hash_wrap_mode_gl (hash, entry->wrap_mode_t); + hash = hash_wrap_mode_gl (hash, entry->wrap_mode_p); + + return _cogl_util_one_at_a_time_mix (hash); +} + +static CoglBool +sampler_state_equal_cogl (const void *value0, + const void *value1) +{ + const CoglSamplerCacheEntry *state0 = value0; + const CoglSamplerCacheEntry *state1 = value1; + + return (state0->mag_filter == state1->mag_filter && + state0->min_filter == state1->min_filter && + state0->wrap_mode_s == state1->wrap_mode_s && + state0->wrap_mode_t == state1->wrap_mode_t && + state0->wrap_mode_p == state1->wrap_mode_p); +} + +static unsigned int +hash_sampler_state_cogl (const void *key) +{ + const CoglSamplerCacheEntry *entry = key; + unsigned int hash = 0; + + hash = _cogl_util_one_at_a_time_hash (hash, &entry->mag_filter, + sizeof (entry->mag_filter)); + hash = _cogl_util_one_at_a_time_hash (hash, &entry->min_filter, + sizeof (entry->min_filter)); + hash = _cogl_util_one_at_a_time_hash (hash, &entry->wrap_mode_s, + sizeof (entry->wrap_mode_s)); + hash = _cogl_util_one_at_a_time_hash (hash, &entry->wrap_mode_t, + sizeof (entry->wrap_mode_t)); + hash = _cogl_util_one_at_a_time_hash (hash, &entry->wrap_mode_p, + sizeof (entry->wrap_mode_p)); + + return _cogl_util_one_at_a_time_mix (hash); +} + +CoglSamplerCache * +_cogl_sampler_cache_new (CoglContext *context) +{ + CoglSamplerCache *cache = g_new (CoglSamplerCache, 1); + + /* No reference is taken on the context because it would create a + circular reference */ + cache->context = context; + + cache->hash_table_gl = g_hash_table_new (hash_sampler_state_gl, + sampler_state_equal_gl); + cache->hash_table_cogl = g_hash_table_new (hash_sampler_state_cogl, + sampler_state_equal_cogl); + cache->next_fake_sampler_object_number = 1; + + return cache; +} + +static void +set_wrap_mode (CoglContext *context, + GLuint sampler_object, + GLenum param, + CoglSamplerCacheWrapMode wrap_mode) +{ + GE( context, glSamplerParameteri (sampler_object, + param, + wrap_mode) ); +} + +static CoglSamplerCacheEntry * +_cogl_sampler_cache_get_entry_gl (CoglSamplerCache *cache, + const CoglSamplerCacheEntry *key) +{ + CoglSamplerCacheEntry *entry; + + entry = g_hash_table_lookup (cache->hash_table_gl, key); + + if (entry == NULL) + { + CoglContext *context = cache->context; + + entry = g_slice_dup (CoglSamplerCacheEntry, key); + + if (_cogl_has_private_feature (context, + COGL_PRIVATE_FEATURE_SAMPLER_OBJECTS)) + { + GE( context, glGenSamplers (1, &entry->sampler_object) ); + + GE( context, glSamplerParameteri (entry->sampler_object, + GL_TEXTURE_MIN_FILTER, + entry->min_filter) ); + GE( context, glSamplerParameteri (entry->sampler_object, + GL_TEXTURE_MAG_FILTER, + entry->mag_filter) ); + + set_wrap_mode (context, + entry->sampler_object, + GL_TEXTURE_WRAP_S, + entry->wrap_mode_s); + set_wrap_mode (context, + entry->sampler_object, + GL_TEXTURE_WRAP_T, + entry->wrap_mode_t); + set_wrap_mode (context, + entry->sampler_object, + GL_TEXTURE_WRAP_R, + entry->wrap_mode_p); + } + else + { + /* If sampler objects aren't supported then we'll invent a + unique number so that pipelines can still compare the + unique state just by comparing the sampler object + numbers */ + entry->sampler_object = cache->next_fake_sampler_object_number++; + } + + g_hash_table_insert (cache->hash_table_gl, entry, entry); + } + + return entry; +} + +static CoglSamplerCacheEntry * +_cogl_sampler_cache_get_entry_cogl (CoglSamplerCache *cache, + const CoglSamplerCacheEntry *key) +{ + CoglSamplerCacheEntry *entry; + + entry = g_hash_table_lookup (cache->hash_table_cogl, key); + + if (entry == NULL) + { + CoglSamplerCacheEntry canonical_key; + CoglSamplerCacheEntry *gl_entry; + + entry = g_slice_dup (CoglSamplerCacheEntry, key); + + /* Get the sampler object number from the canonical GL version + of the sampler state cache */ + canonical_key = *key; + canonicalize_key (&canonical_key); + gl_entry = _cogl_sampler_cache_get_entry_gl (cache, &canonical_key); + entry->sampler_object = gl_entry->sampler_object; + + g_hash_table_insert (cache->hash_table_cogl, entry, entry); + } + + return entry; +} + +const CoglSamplerCacheEntry * +_cogl_sampler_cache_get_default_entry (CoglSamplerCache *cache) +{ + CoglSamplerCacheEntry key; + + key.wrap_mode_s = COGL_SAMPLER_CACHE_WRAP_MODE_AUTOMATIC; + key.wrap_mode_t = COGL_SAMPLER_CACHE_WRAP_MODE_AUTOMATIC; + key.wrap_mode_p = COGL_SAMPLER_CACHE_WRAP_MODE_AUTOMATIC; + + key.min_filter = GL_LINEAR; + key.mag_filter = GL_LINEAR; + + return _cogl_sampler_cache_get_entry_cogl (cache, &key); +} + +const CoglSamplerCacheEntry * +_cogl_sampler_cache_update_wrap_modes (CoglSamplerCache *cache, + const CoglSamplerCacheEntry *old_entry, + CoglSamplerCacheWrapMode wrap_mode_s, + CoglSamplerCacheWrapMode wrap_mode_t, + CoglSamplerCacheWrapMode wrap_mode_p) +{ + CoglSamplerCacheEntry key = *old_entry; + + key.wrap_mode_s = wrap_mode_s; + key.wrap_mode_t = wrap_mode_t; + key.wrap_mode_p = wrap_mode_p; + + return _cogl_sampler_cache_get_entry_cogl (cache, &key); +} + +const CoglSamplerCacheEntry * +_cogl_sampler_cache_update_filters (CoglSamplerCache *cache, + const CoglSamplerCacheEntry *old_entry, + GLenum min_filter, + GLenum mag_filter) +{ + CoglSamplerCacheEntry key = *old_entry; + + key.min_filter = min_filter; + key.mag_filter = mag_filter; + + return _cogl_sampler_cache_get_entry_cogl (cache, &key); +} + +static void +hash_table_free_gl_cb (void *key, + void *value, + void *user_data) +{ + CoglContext *context = user_data; + CoglSamplerCacheEntry *entry = value; + + if (_cogl_has_private_feature (context, + COGL_PRIVATE_FEATURE_SAMPLER_OBJECTS)) + GE( context, glDeleteSamplers (1, &entry->sampler_object) ); + + g_slice_free (CoglSamplerCacheEntry, entry); +} + +static void +hash_table_free_cogl_cb (void *key, + void *value, + void *user_data) +{ + CoglSamplerCacheEntry *entry = value; + + g_slice_free (CoglSamplerCacheEntry, entry); +} + +void +_cogl_sampler_cache_free (CoglSamplerCache *cache) +{ + g_hash_table_foreach (cache->hash_table_gl, + hash_table_free_gl_cb, + cache->context); + + g_hash_table_destroy (cache->hash_table_gl); + + g_hash_table_foreach (cache->hash_table_cogl, + hash_table_free_cogl_cb, + cache->context); + + g_hash_table_destroy (cache->hash_table_cogl); + + g_free (cache); +} diff --git a/cogl/cogl-sdl.c b/cogl/cogl-sdl.c new file mode 100644 index 0000000..1eb2eb6 --- /dev/null +++ b/cogl/cogl-sdl.c @@ -0,0 +1,111 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012, 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-sdl.h" +#include "cogl-context-private.h" +#include "cogl-renderer-private.h" + +void +cogl_sdl_renderer_set_event_type (CoglRenderer *renderer, int type) +{ + renderer->sdl_event_type_set = TRUE; + renderer->sdl_event_type = type; +} + +int +cogl_sdl_renderer_get_event_type (CoglRenderer *renderer) +{ + _COGL_RETURN_VAL_IF_FAIL (renderer->sdl_event_type_set, SDL_USEREVENT); + + return renderer->sdl_event_type; +} + +CoglContext * +cogl_sdl_context_new (int type, CoglError **error) +{ + CoglRenderer *renderer = cogl_renderer_new (); + CoglDisplay *display; + + cogl_renderer_set_winsys_id (renderer, COGL_WINSYS_ID_SDL); + + cogl_sdl_renderer_set_event_type (renderer, type); + + if (!cogl_renderer_connect (renderer, error)) + return NULL; + + display = cogl_display_new (renderer, NULL); + if (!cogl_display_setup (display, error)) + return NULL; + + return cogl_context_new (display, error); +} + +void +cogl_sdl_handle_event (CoglContext *context, SDL_Event *event) +{ + CoglRenderer *renderer; + + _COGL_RETURN_IF_FAIL (cogl_is_context (context)); + + renderer = context->display->renderer; + + _cogl_renderer_handle_native_event (renderer, event); +} + +static void +_cogl_sdl_push_wakeup_event (CoglContext *context) +{ + SDL_Event wakeup_event; + + wakeup_event.type = context->display->renderer->sdl_event_type; + + SDL_PushEvent (&wakeup_event); +} + +void +cogl_sdl_idle (CoglContext *context) +{ + CoglRenderer *renderer = context->display->renderer; + + cogl_poll_renderer_dispatch (renderer, NULL, 0); + + /* It is expected that this will be called from the application + * immediately before blocking in SDL_WaitEvent. However, + * dispatching cause more work to be queued. If that happens we need + * to make sure the blocking returns immediately. We'll post our + * dummy event to make sure that happens + */ + if (!_cogl_list_empty (&renderer->idle_closures)) + _cogl_sdl_push_wakeup_event (context); +} diff --git a/cogl/cogl-sdl.h b/cogl/cogl-sdl.h new file mode 100644 index 0000000..44d308d --- /dev/null +++ b/cogl/cogl-sdl.h @@ -0,0 +1,248 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_SDL_H__ +#define __COGL_SDL_H__ + +/* NB: this is a top-level header that can be included directly but we + * want to be careful not to define __COGL_H_INSIDE__ when this is + * included internally while building Cogl itself since + * __COGL_H_INSIDE__ is used in headers to guard public vs private api + * definitions + */ +#ifndef COGL_COMPILATION + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_SDL_H_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* COGL_COMPILATION */ + +#include +#include +#include + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-sdl + * @short_description: Integration api for the Simple DirectMedia + * Layer library. + * + * Cogl is a portable graphics api that can either be used standalone + * or alternatively integrated with certain existing frameworks. This + * api enables Cogl to be used in conjunction with the Simple + * DirectMedia Layer library. + * + * Using this API a typical SDL application would look something like + * this: + * |[ + * MyAppData data; + * CoglError *error = NULL; + * + * data.ctx = cogl_sdl_context_new (SDL_USEREVENT, &error); + * if (!data.ctx) + * { + * fprintf (stderr, "Failed to create context: %s\n", + * error->message); + * return 1; + * } + * + * my_application_setup (&data); + * + * data.redraw_queued = TRUE; + * while (!data.quit) + * { + * while (!data.quit) + * { + * if (!SDL_PollEvent (&event)) + * { + * if (data.redraw_queued) + * break; + * + * cogl_sdl_idle (ctx); + * if (!SDL_WaitEvent (&event)) + * { + * fprintf (stderr, "Error waiting for SDL events"); + * return 1; + * } + * } + * + * handle_event (&data, &event); + * cogl_sdl_handle_event (ctx, &event); + * } + * + * data.redraw_queued = redraw (&data); + * } + * ]| + */ + +/** + * cogl_sdl_context_new: + * @type: An SDL user event type between SDL_USEREVENT and + * SDL_NUMEVENTS - 1 + * @error: A CoglError return location. + * + * This is a convenience function for creating a new #CoglContext for + * use with SDL and specifying what SDL user event type Cogl can use + * as a way to interrupt SDL_WaitEvent(). + * + * This function is equivalent to the following code: + * |[ + * CoglRenderer *renderer = cogl_renderer_new (); + * CoglDisplay *display; + * + * cogl_renderer_set_winsys_id (renderer, COGL_WINSYS_ID_SDL); + * + * cogl_sdl_renderer_set_event_type (renderer, type); + * + * if (!cogl_renderer_connect (renderer, error)) + * return NULL; + * + * display = cogl_display_new (renderer, NULL); + * if (!cogl_display_setup (display, error)) + * return NULL; + * + * return cogl_context_new (display, error); + * ]| + * + * SDL applications are required to either use this API or + * to manually create a #CoglRenderer and call + * cogl_sdl_renderer_set_event_type(). + * + * Since: 2.0 + * Stability: unstable + */ +CoglContext * +cogl_sdl_context_new (int type, CoglError **error); + +/** + * cogl_sdl_renderer_set_event_type: + * @renderer: A #CoglRenderer + * @type: An SDL user event type between SDL_USEREVENT and + * SDL_NUMEVENTS - 1 + * + * Tells Cogl what SDL user event type it can use as a way to + * interrupt SDL_WaitEvent() to ensure that cogl_sdl_handle_event() + * will be called in a finite amount of time. + * + * This should only be called on an un-connected + * @renderer. + * + * For convenience most simple applications can use + * cogl_sdl_context_new() if they don't want to manually create + * #CoglRenderer and #CoglDisplay objects during + * initialization. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_sdl_renderer_set_event_type (CoglRenderer *renderer, int type); + +/** + * cogl_sdl_renderer_get_event_type: + * @renderer: A #CoglRenderer + * + * Queries what SDL user event type Cogl is using as a way to + * interrupt SDL_WaitEvent(). This is set either using + * cogl_sdl_context_new or by using + * cogl_sdl_renderer_set_event_type(). + * + * Since: 2.0 + * Stability: unstable + */ +int +cogl_sdl_renderer_get_event_type (CoglRenderer *renderer); + +/** + * cogl_sdl_handle_event: + * @context: A #CoglContext + * @event: An SDL event + * + * Passes control to Cogl so that it may dispatch any internal event + * callbacks in response to the given SDL @event. This function must + * be called for every SDL event. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_sdl_handle_event (CoglContext *context, SDL_Event *event); + +/** + * cogl_sdl_idle: + * @context: A #CoglContext + * + * Notifies Cogl that the application is idle and about to call + * SDL_WaitEvent(). Cogl may use this to run low priority book keeping + * tasks. + * + * Since: 2.0 + * Stability: unstable + */ +void +cogl_sdl_idle (CoglContext *context); + +#if SDL_MAJOR_VERSION >= 2 + +/** + * cogl_sdl_onscreen_get_window: + * @onscreen: A #CoglOnscreen + * + * Returns: the underlying SDL_Window associated with an onscreen framebuffer. + * + * Since: 2.0 + * Stability: unstable + */ +SDL_Window * +cogl_sdl_onscreen_get_window (CoglOnscreen *onscreen); + +#endif /* SDL_MAJOR_VERSION */ + +COGL_END_DECLS + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_SDL_H_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_SDL_H_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_SDL_H__ */ diff --git a/cogl/cogl-snippet-private.h b/cogl/cogl-snippet-private.h new file mode 100644 index 0000000..e3269f2 --- /dev/null +++ b/cogl/cogl-snippet-private.h @@ -0,0 +1,77 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_SNIPPET_PRIVATE_H +#define __COGL_SNIPPET_PRIVATE_H + +#include + +#include "cogl-snippet.h" +#include "cogl-object-private.h" + +/* These values are also used in the enum for CoglSnippetHook. They + are copied here because we don't really want these names to be part + of the public API */ +#define COGL_SNIPPET_HOOK_BAND_SIZE 2048 +#define COGL_SNIPPET_FIRST_PIPELINE_HOOK 0 +#define COGL_SNIPPET_FIRST_PIPELINE_VERTEX_HOOK \ + COGL_SNIPPET_FIRST_PIPELINE_HOOK +#define COGL_SNIPPET_FIRST_PIPELINE_FRAGMENT_HOOK \ + (COGL_SNIPPET_FIRST_PIPELINE_VERTEX_HOOK + COGL_SNIPPET_HOOK_BAND_SIZE) +#define COGL_SNIPPET_FIRST_LAYER_HOOK (COGL_SNIPPET_HOOK_BAND_SIZE * 2) +#define COGL_SNIPPET_FIRST_LAYER_VERTEX_HOOK COGL_SNIPPET_FIRST_LAYER_HOOK +#define COGL_SNIPPET_FIRST_LAYER_FRAGMENT_HOOK \ + (COGL_SNIPPET_FIRST_LAYER_VERTEX_HOOK + COGL_SNIPPET_HOOK_BAND_SIZE) + +struct _CoglSnippet +{ + CoglObject _parent; + + CoglSnippetHook hook; + + /* This is set to TRUE the first time the snippet is attached to the + pipeline. After that any attempts to modify the snippet will be + ignored. */ + CoglBool immutable; + + char *declarations; + char *pre; + char *replace; + char *post; +}; + +void +_cogl_snippet_make_immutable (CoglSnippet *snippet); + +#endif /* __COGL_SNIPPET_PRIVATE_H */ + diff --git a/cogl/cogl-snippet.c b/cogl/cogl-snippet.c new file mode 100644 index 0000000..a3f5d6c --- /dev/null +++ b/cogl/cogl-snippet.c @@ -0,0 +1,187 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-types.h" +#include "cogl-snippet-private.h" +#include "cogl-util.h" +#include "cogl-gtype-private.h" + +static void +_cogl_snippet_free (CoglSnippet *snippet); + +COGL_OBJECT_DEFINE (Snippet, snippet); +COGL_GTYPE_DEFINE_CLASS (Snippet, snippet); + +CoglSnippet * +cogl_snippet_new (CoglSnippetHook hook, + const char *declarations, + const char *post) +{ + CoglSnippet *snippet = g_slice_new0 (CoglSnippet); + + _cogl_snippet_object_new (snippet); + + snippet->hook = hook; + + cogl_snippet_set_declarations (snippet, declarations); + cogl_snippet_set_post (snippet, post); + + return snippet; +} + +CoglSnippetHook +cogl_snippet_get_hook (CoglSnippet *snippet) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_snippet (snippet), 0); + + return snippet->hook; +} + +static CoglBool +_cogl_snippet_modify (CoglSnippet *snippet) +{ + if (snippet->immutable) + { + g_warning ("A CoglSnippet should not be modified once it has been " + "attached to a pipeline. Any modifications after that point " + "will be ignored."); + + return FALSE; + } + + return TRUE; +} + +void +cogl_snippet_set_declarations (CoglSnippet *snippet, + const char *declarations) +{ + _COGL_RETURN_IF_FAIL (cogl_is_snippet (snippet)); + + if (!_cogl_snippet_modify (snippet)) + return; + + g_free (snippet->declarations); + snippet->declarations = declarations ? g_strdup (declarations) : NULL; +} + +const char * +cogl_snippet_get_declarations (CoglSnippet *snippet) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_snippet (snippet), NULL); + + return snippet->declarations; +} + +void +cogl_snippet_set_pre (CoglSnippet *snippet, + const char *pre) +{ + _COGL_RETURN_IF_FAIL (cogl_is_snippet (snippet)); + + if (!_cogl_snippet_modify (snippet)) + return; + + g_free (snippet->pre); + snippet->pre = pre ? g_strdup (pre) : NULL; +} + +const char * +cogl_snippet_get_pre (CoglSnippet *snippet) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_snippet (snippet), NULL); + + return snippet->pre; +} + +void +cogl_snippet_set_replace (CoglSnippet *snippet, + const char *replace) +{ + _COGL_RETURN_IF_FAIL (cogl_is_snippet (snippet)); + + if (!_cogl_snippet_modify (snippet)) + return; + + g_free (snippet->replace); + snippet->replace = replace ? g_strdup (replace) : NULL; +} + +const char * +cogl_snippet_get_replace (CoglSnippet *snippet) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_snippet (snippet), NULL); + + return snippet->replace; +} + +void +cogl_snippet_set_post (CoglSnippet *snippet, + const char *post) +{ + _COGL_RETURN_IF_FAIL (cogl_is_snippet (snippet)); + + if (!_cogl_snippet_modify (snippet)) + return; + + g_free (snippet->post); + snippet->post = post ? g_strdup (post) : NULL; +} + +const char * +cogl_snippet_get_post (CoglSnippet *snippet) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_snippet (snippet), NULL); + + return snippet->post; +} + +void +_cogl_snippet_make_immutable (CoglSnippet *snippet) +{ + snippet->immutable = TRUE; +} + +static void +_cogl_snippet_free (CoglSnippet *snippet) +{ + g_free (snippet->declarations); + g_free (snippet->pre); + g_free (snippet->replace); + g_free (snippet->post); + g_slice_free (CoglSnippet, snippet); +} diff --git a/cogl/cogl-snippet.h b/cogl/cogl-snippet.h new file mode 100644 index 0000000..b8d9efd --- /dev/null +++ b/cogl/cogl-snippet.h @@ -0,0 +1,866 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011, 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_SNIPPET_H__ +#define __COGL_SNIPPET_H__ + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-snippet + * @short_description: Functions for creating and manipulating shader snippets + * + * #CoglSnippets are used to modify or replace parts of a + * #CoglPipeline using GLSL. GLSL is a programming language supported + * by OpenGL on programmable hardware to provide a more flexible + * description of what should be rendered. A description of GLSL + * itself is outside the scope of this documentation but any good + * OpenGL book should help to describe it. + * + * Unlike in OpenGL, when using GLSL with Cogl it is possible to write + * short snippets to replace small sections of the pipeline instead of + * having to replace the whole of either the vertex or fragment + * pipelines. Of course it is also possible to replace the whole of + * the pipeline if needed. + * + * Each snippet is a standalone chunk of code which would attach to + * the pipeline at a particular point. The code is split into four + * separate strings (all of which are optional): + * + * + * + * declarations + * + * The code in this string will be inserted outside of any function in + * the global scope of the shader. This can be used to declare + * uniforms, attributes, varyings and functions to be used by the + * snippet. + * + * + * + * pre + * + * The code in this string will be inserted before the hook point. + * + * + * + * post + * + * The code in this string will be inserted after the hook point. This + * can be used to modify the results of the builtin generated code for + * that hook point. + * + * + * + * replace + * + * If present the code in this string will replace the generated code + * for the hook point. + * + * + * + * + * All of the strings apart from the declarations string of a pipeline + * are generated in a single function so they can share variables + * declared from one string in another. The scope of the code is + * limited to each snippet so local variables declared in the snippet + * will not collide with variables declared in another + * snippet. However, code in the 'declarations' string is global to + * the shader so it is the application's responsibility to ensure that + * variables declared here will not collide with those from other + * snippets. + * + * The snippets can be added to a pipeline with + * cogl_pipeline_add_snippet() or + * cogl_pipeline_add_layer_snippet(). Which function to use depends on + * which hook the snippet is targetting. The snippets are all + * generated in the order they are added to the pipeline. That is, the + * post strings are executed in the order they are added to the + * pipeline and the pre strings are executed in reverse order. If any + * replace strings are given for a snippet then any other snippets + * with the same hook added before that snippet will be ignored. The + * different hooks are documented under #CoglSnippetHook. + * + * For portability with GLES2, it is recommended not to use the GLSL + * builtin names such as gl_FragColor. Instead there are replacement + * names under the cogl_* namespace which can be used instead. These + * are: + * + * + * + * uniform mat4 + * cogl_modelview_matrix + * + * The current modelview matrix. This is equivalent to + * #gl_ModelViewMatrix. + * + * + * + * uniform mat4 + * cogl_projection_matrix + * + * The current projection matrix. This is equivalent to + * #gl_ProjectionMatrix. + * + * + * + * uniform mat4 + * cogl_modelview_projection_matrix + * + * The combined modelview and projection matrix. A vertex shader + * would typically use this to transform the incoming vertex + * position. The separate modelview and projection matrices are + * usually only needed for lighting calculations. This is + * equivalent to #gl_ModelViewProjectionMatrix. + * + * + * + * uniform mat4 + * cogl_texture_matrix[] + * + * An array of matrices for transforming the texture + * coordinates. This is equivalent to #gl_TextureMatrix. + * + * + * + * + * In a vertex shader, the following are also available: + * + * + * + * attribute vec4 + * cogl_position_in + * + * The incoming vertex position. This is equivalent to #gl_Vertex. + * + * + * + * attribute vec4 + * cogl_color_in + * + * The incoming vertex color. This is equivalent to #gl_Color. + * + * + * + * attribute vec4 + * cogl_tex_coord_in + * + * The texture coordinate for layer 0. This is an alternative name + * for #cogl_tex_coord0_in. + * + * + * + * attribute vec4 + * cogl_tex_coord0_in + * + * The texture coordinate for the layer 0. This is equivalent to + * #gl_MultiTexCoord0. There will also be #cogl_tex_coord1_in and + * so on if more layers are added to the pipeline. + * + * + * + * attribute vec3 + * cogl_normal_in + * + * The normal of the vertex. This is equivalent to #gl_Normal. + * + * + * + * vec4 + * cogl_position_out + * + * The calculated position of the vertex. This must be written to + * in all vertex shaders. This is equivalent to #gl_Position. + * + * + * + * float + * cogl_point_size_in + * + * The incoming point size from the cogl_point_size_in attribute. + * This is only available if + * cogl_pipeline_set_per_vertex_point_size() is set on the + * pipeline. + * + * + * + * float + * cogl_point_size_out + * + * The calculated size of a point. This is equivalent to #gl_PointSize. + * + * + * + * varying vec4 + * cogl_color_out + * + * The calculated color of a vertex. This is equivalent to #gl_FrontColor. + * + * + * + * varying vec4 + * cogl_tex_coord0_out + * + * The calculated texture coordinate for layer 0 of the pipeline. + * This is equivalent to #gl_TexCoord[0]. There will also be + * #cogl_tex_coord1_out and so on if more layers are added to the + * pipeline. In the fragment shader, this varying is called + * #cogl_tex_coord0_in. + * + * + * + * + * In a fragment shader, the following are also available: + * + * + * + * varying vec4 cogl_color_in + * + * The calculated color of a vertex. This is equivalent to #gl_FrontColor. + * + * + * + * varying vec4 + * cogl_tex_coord0_in + * + * The texture coordinate for layer 0. This is equivalent to + * #gl_TexCoord[0]. There will also be #cogl_tex_coord1_in and so + * on if more layers are added to the pipeline. + * + * + * + * vec4 cogl_color_out + * + * The final calculated color of the fragment. All fragment shaders + * must write to this variable. This is equivalent to + * #gl_FrontColor. + * + * + * + * float cogl_depth_out + * + * An optional output variable specifying the depth value to use + * for this fragment. This is equivalent to #gl_FragDepth. + * + * + * + * bool cogl_front_facing + * + * A readonly variable that will be true if the current primitive + * is front facing. This can be used to implement two-sided + * coloring algorithms. This is equivalent to #gl_FrontFacing. + * + * + * + * vec2 cogl_point_coord + * + * When rendering points, this will contain a vec2 which represents + * the position within the point of the current fragment. + * vec2(0.0,0.0) will be the topleft of the point and vec2(1.0,1.0) + * will be the bottom right. Note that there is currently a bug in + * Cogl where when rendering to an offscreen buffer these + * coordinates will be upside-down. The value is undefined when not + * rendering points. This builtin can only be used if the + * %COGL_FEATURE_ID_POINT_SPRITE feature is available. + * + * + * + * + * Here is an example of using a snippet to add a desaturate effect to the + * generated color on a pipeline. + * + * + * CoglPipeline *pipeline = cogl_pipeline_new (); + * + * /* Set up the pipeline here, ie by adding a texture or other + * layers */ + * + * /* Create the snippet. The first string is the declarations which + * we will use to add a uniform. The second is the 'post' string which + * will contain the code to perform the desaturation. */ + * CoglSnippet *snippet = + * cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, + * "uniform float factor;", + * "float gray = dot (vec3 (0.299, 0.587, 0.114), " + * " cogl_color_out.rgb);" + * "cogl_color_out.rgb = mix (vec3 (gray)," + * " cogl_color_out.rgb," + * " factor);"); + * + * /* Add it to the pipeline */ + * cogl_pipeline_add_snippet (pipeline, snippet); + * /* The pipeline keeps a reference to the snippet + * so we don't need to */ + * cogl_object_unref (snippet); + * + * /* Update the custom uniform on the pipeline */ + * int location = cogl_pipeline_get_uniform_location (pipeline, "factor"); + * cogl_pipeline_set_uniform_1f (pipeline, location, 0.5f); + * + * /* Now we can render with the snippet as usual */ + * cogl_push_source (pipeline); + * cogl_rectangle (0, 0, 10, 10); + * cogl_pop_source (); + * + */ +typedef struct _CoglSnippet CoglSnippet; + +#define COGL_SNIPPET(OBJECT) ((CoglSnippet *)OBJECT) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_snippet_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_snippet_get_gtype (void); +#endif + +/* Enumeration of all the hook points that a snippet can be attached + to within a pipeline. */ +/** + * CoglSnippetHook: + * @COGL_SNIPPET_HOOK_VERTEX_GLOBALS: A hook for declaring global data + * that can be shared with all other snippets that are on a vertex + * hook. + * @COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS: A hook for declaring global + * data wthat can be shared with all other snippets that are on a + * fragment hook. + * @COGL_SNIPPET_HOOK_VERTEX: A hook for the entire vertex processing + * stage of the pipeline. + * @COGL_SNIPPET_HOOK_VERTEX_TRANSFORM: A hook for the vertex transformation. + * @COGL_SNIPPET_HOOK_POINT_SIZE: A hook for manipulating the point + * size of a vertex. This is only used if + * cogl_pipeline_set_per_vertex_point_size() is enabled on the + * pipeline. + * @COGL_SNIPPET_HOOK_FRAGMENT: A hook for the entire fragment + * processing stage of the pipeline. + * @COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM: A hook for applying the + * layer matrix to a texture coordinate for a layer. + * @COGL_SNIPPET_HOOK_LAYER_FRAGMENT: A hook for the fragment + * processing of a particular layer. + * @COGL_SNIPPET_HOOK_TEXTURE_LOOKUP: A hook for the texture lookup + * stage of a given layer in a pipeline. + * + * #CoglSnippetHook is used to specify a location within a + * #CoglPipeline where the code of the snippet should be used when it + * is attached to a pipeline. + * + * + * + * %COGL_SNIPPET_HOOK_VERTEX_GLOBALS + * + * + * Adds a shader snippet at the beginning of the global section of the + * shader for the vertex processing. Any declarations here can be + * shared with all other snippets that are attached to a vertex hook. + * Only the ‘declarations’ string is used and the other strings are + * ignored. + * + * + * + * + * %COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS + * + * + * Adds a shader snippet at the beginning of the global section of the + * shader for the fragment processing. Any declarations here can be + * shared with all other snippets that are attached to a fragment + * hook. Only the ‘declarations’ string is used and the other strings + * are ignored. + * + * + * + * + * %COGL_SNIPPET_HOOK_VERTEX + * + * + * Adds a shader snippet that will hook on to the vertex processing + * stage of the pipeline. This gives a chance for the application to + * modify the vertex attributes generated by the shader. Typically the + * snippet will modify cogl_color_out or cogl_position_out builtins. + * + * + * The ‘declarations’ string in @snippet will be inserted in the + * global scope of the shader. Use this to declare any uniforms, + * attributes or functions that the snippet requires. + * + * + * The ‘pre’ string in @snippet will be inserted at the top of the + * main() function before any vertex processing is done. + * + * + * The ‘replace’ string in @snippet will be used instead of the + * generated vertex processing if it is present. This can be used if + * the application wants to provide a complete vertex shader and + * doesn't need the generated output from Cogl. + * + * + * The ‘post’ string in @snippet will be inserted after all of the + * standard vertex processing is done. This can be used to modify the + * outputs. + * + * + * + * + * %COGL_SNIPPET_HOOK_VERTEX_TRANSFORM + * + * + * Adds a shader snippet that will hook on to the vertex transform stage. + * Typically the snippet will use the cogl_modelview_matrix, + * cogl_projection_matrix and cogl_modelview_projection_matrix matrices and the + * cogl_position_in attribute. The hook must write to cogl_position_out. + * The default processing for this hook will multiply cogl_position_in by + * the combined modelview-projection matrix and store it on cogl_position_out. + * + * + * The ‘declarations’ string in @snippet will be inserted in the + * global scope of the shader. Use this to declare any uniforms, + * attributes or functions that the snippet requires. + * + * + * The ‘pre’ string in @snippet will be inserted at the top of the + * main() function before the vertex transform is done. + * + * + * The ‘replace’ string in @snippet will be used instead of the + * generated vertex transform if it is present. + * + * + * The ‘post’ string in @snippet will be inserted after all of the + * standard vertex transformation is done. This can be used to modify the + * cogl_position_out in addition to the default processing. + * + * + * + * + * %COGL_SNIPPET_HOOK_POINT_SIZE + * + * + * Adds a shader snippet that will hook on to the point size + * calculation step within the vertex shader stage. The snippet should + * write to the builtin cogl_point_size_out with the new point size. + * The snippet can either read cogl_point_size_in directly and write a + * new value or first read an existing value in cogl_point_size_out + * that would be set by a previous snippet. Note that this hook is + * only used if cogl_pipeline_set_per_vertex_point_size() is enabled + * on the pipeline. + * + * + * The ‘declarations’ string in @snippet will be inserted in the + * global scope of the shader. Use this to declare any uniforms, + * attributes or functions that the snippet requires. + * + * + * The ‘pre’ string in @snippet will be inserted just before + * calculating the point size. + * + * + * The ‘replace’ string in @snippet will be used instead of the + * generated point size calculation if it is present. + * + * + * The ‘post’ string in @snippet will be inserted after the + * standard point size calculation is done. This can be used to modify + * cogl_point_size_out in addition to the default processing. + * + * + * + * + * %COGL_SNIPPET_HOOK_FRAGMENT + * + * + * Adds a shader snippet that will hook on to the fragment processing + * stage of the pipeline. This gives a chance for the application to + * modify the fragment color generated by the shader. Typically the + * snippet will modify cogl_color_out. + * + * + * The ‘declarations’ string in @snippet will be inserted in the + * global scope of the shader. Use this to declare any uniforms, + * attributes or functions that the snippet requires. + * + * + * The ‘pre’ string in @snippet will be inserted at the top of the + * main() function before any fragment processing is done. + * + * + * The ‘replace’ string in @snippet will be used instead of the + * generated fragment processing if it is present. This can be used if + * the application wants to provide a complete fragment shader and + * doesn't need the generated output from Cogl. + * + * + * The ‘post’ string in @snippet will be inserted after all of the + * standard fragment processing is done. At this point the generated + * value for the rest of the pipeline state will already be in + * cogl_color_out so the application can modify the result by altering + * this variable. + * + * + * + * + * %COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM + * + * + * Adds a shader snippet that will hook on to the texture coordinate + * transformation of a particular layer. This can be used to replace + * the processing for a layer or to modify the results. + * + * + * Within the snippet code for this hook there are two extra + * variables. The first is a mat4 called cogl_matrix which represents + * the user matrix for this layer. The second is called cogl_tex_coord + * and represents the incoming and outgoing texture coordinate. On + * entry to the hook, cogl_tex_coord contains the value of the + * corresponding texture coordinate attribute for this layer. The hook + * is expected to modify this variable. The output will be passed as a + * varying to the fragment processing stage. The default code will + * just multiply cogl_matrix by cogl_tex_coord and store the result in + * cogl_tex_coord. + * + * + * The ‘declarations’ string in @snippet will be inserted in the + * global scope of the shader. Use this to declare any uniforms, + * attributes or functions that the snippet requires. + * + * + * The ‘pre’ string in @snippet will be inserted just before the + * fragment processing for this layer. At this point cogl_tex_coord + * still contains the value of the texture coordinate attribute. + * + * + * If a ‘replace’ string is given then this will be used instead of + * the default fragment processing for this layer. The snippet can + * modify cogl_tex_coord or leave it as is to apply no transformation. + * + * + * The ‘post’ string in @snippet will be inserted just after the + * transformation. At this point cogl_tex_coord will contain the + * results of the transformation but it can be further modified by the + * snippet. + * + * + * + * + * %COGL_SNIPPET_HOOK_LAYER_FRAGMENT + * + * + * Adds a shader snippet that will hook on to the fragment processing + * of a particular layer. This can be used to replace the processing + * for a layer or to modify the results. + * + * + * Within the snippet code for this hook there is an extra vec4 + * variable called ‘cogl_layer’. This contains the resulting color + * that will be used for the layer. This can be modified in the ‘post’ + * section or it the default processing can be replaced entirely using + * the ‘replace’ section. + * + * + * The ‘declarations’ string in @snippet will be inserted in the + * global scope of the shader. Use this to declare any uniforms, + * attributes or functions that the snippet requires. + * + * + * The ‘pre’ string in @snippet will be inserted just before the + * fragment processing for this layer. + * + * + * If a ‘replace’ string is given then this will be used instead of + * the default fragment processing for this layer. The snippet must write to + * the ‘cogl_layer’ variable in that case. + * + * + * The ‘post’ string in @snippet will be inserted just after the + * fragment processing for the layer. The results can be modified by changing + * the value of the ‘cogl_layer’ variable. + * + * + * + * + * %COGL_SNIPPET_HOOK_TEXTURE_LOOKUP + * + * + * Adds a shader snippet that will hook on to the texture lookup part + * of a given layer. This gives a chance for the application to modify + * the coordinates that will be used for the texture lookup or to + * alter the returned texel. + * + * + * Within the snippet code for this hook there are three extra + * variables available. ‘cogl_sampler’ is a sampler object + * representing the sampler for the layer where the snippet is + * attached. ‘cogl_tex_coord’ is a vec4 which contains the texture + * coordinates that will be used for the texture lookup. This can be + * modified. ‘cogl_texel’ will contain the result of the texture + * lookup. This can also be modified. + * + * + * The ‘declarations’ string in @snippet will be inserted in the + * global scope of the shader. Use this to declare any uniforms, + * attributes or functions that the snippet requires. + * + * + * The ‘pre’ string in @snippet will be inserted at the top of the + * main() function before any fragment processing is done. This is a + * good place to modify the cogl_tex_coord variable. + * + * + * If a ‘replace’ string is given then this will be used instead of a + * the default texture lookup. The snippet would typically use its own + * sampler in this case. + * + * + * The ‘post’ string in @snippet will be inserted after texture lookup + * has been preformed. Here the snippet can modify the cogl_texel + * variable to alter the returned texel. + * + * + * + * + * + * Since: 1.10 + * Stability: Unstable + */ +typedef enum { + /* Per pipeline vertex hooks */ + COGL_SNIPPET_HOOK_VERTEX = 0, + COGL_SNIPPET_HOOK_VERTEX_TRANSFORM, + COGL_SNIPPET_HOOK_VERTEX_GLOBALS, + COGL_SNIPPET_HOOK_POINT_SIZE, + + /* Per pipeline fragment hooks */ + COGL_SNIPPET_HOOK_FRAGMENT = 2048, + COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS, + + /* Per layer vertex hooks */ + COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM = 4096, + + /* Per layer fragment hooks */ + COGL_SNIPPET_HOOK_LAYER_FRAGMENT = 6144, + COGL_SNIPPET_HOOK_TEXTURE_LOOKUP +} CoglSnippetHook; + +/** + * cogl_snippet_new: + * @hook: The point in the pipeline that this snippet will wrap around + * or replace. + * @declarations: The source code for the declarations for this + * snippet or %NULL. See cogl_snippet_set_declarations(). + * @post: The source code to run after the hook point where this + * shader snippet is attached or %NULL. See cogl_snippet_set_post(). + * + * Allocates and initializes a new snippet with the given source strings. + * + * Return value: a pointer to a new #CoglSnippet + * + * Since: 1.10 + * Stability: Unstable + */ +CoglSnippet * +cogl_snippet_new (CoglSnippetHook hook, + const char *declarations, + const char *post); + +/** + * cogl_snippet_get_hook: + * @snippet: A #CoglSnippet + * + * Return value: the hook that was set when cogl_snippet_new() was + * called. + * Since: 1.10 + * Stability: Unstable + */ +CoglSnippetHook +cogl_snippet_get_hook (CoglSnippet *snippet); + +/** + * cogl_is_snippet: + * @object: A #CoglObject pointer + * + * Gets whether the given @object references an existing snippet object. + * + * Return value: %TRUE if the @object references a #CoglSnippet, + * %FALSE otherwise + * + * Since: 1.10 + * Stability: Unstable + */ +CoglBool +cogl_is_snippet (void *object); + +/** + * cogl_snippet_set_declarations: + * @snippet: A #CoglSnippet + * @declarations: The new source string for the declarations section + * of this snippet. + * + * Sets a source string that will be inserted in the global scope of + * the generated shader when this snippet is used on a pipeline. This + * string is typically used to declare uniforms, attributes or + * functions that will be used by the other parts of the snippets. + * + * This function should only be called before the snippet is attached + * to its first pipeline. After that the snippet should be considered + * immutable. + * + * Since: 1.10 + * Stability: Unstable + */ +void +cogl_snippet_set_declarations (CoglSnippet *snippet, + const char *declarations); + +/** + * cogl_snippet_get_declarations: + * @snippet: A #CoglSnippet + * + * Return value: the source string that was set with + * cogl_snippet_set_declarations() or %NULL if none was set. + * + * Since: 1.10 + * Stability: Unstable + */ +const char * +cogl_snippet_get_declarations (CoglSnippet *snippet); + +/** + * cogl_snippet_set_pre: + * @snippet: A #CoglSnippet + * @pre: The new source string for the pre section of this snippet. + * + * Sets a source string that will be inserted before the hook point in + * the generated shader for the pipeline that this snippet is attached + * to. Please see the documentation of each hook point in + * #CoglPipeline for a description of how this string should be used. + * + * This function should only be called before the snippet is attached + * to its first pipeline. After that the snippet should be considered + * immutable. + * + * Since: 1.10 + * Stability: Unstable + */ +void +cogl_snippet_set_pre (CoglSnippet *snippet, + const char *pre); + +/** + * cogl_snippet_get_pre: + * @snippet: A #CoglSnippet + * + * Return value: the source string that was set with + * cogl_snippet_set_pre() or %NULL if none was set. + * + * Since: 1.10 + * Stability: Unstable + */ +const char * +cogl_snippet_get_pre (CoglSnippet *snippet); + +/** + * cogl_snippet_set_replace: + * @snippet: A #CoglSnippet + * @replace: The new source string for the replace section of this snippet. + * + * Sets a source string that will be used instead of any generated + * source code or any previous snippets for this hook point. Please + * see the documentation of each hook point in #CoglPipeline for a + * description of how this string should be used. + * + * This function should only be called before the snippet is attached + * to its first pipeline. After that the snippet should be considered + * immutable. + * + * Since: 1.10 + * Stability: Unstable + */ +void +cogl_snippet_set_replace (CoglSnippet *snippet, + const char *replace); + +/** + * cogl_snippet_get_replace: + * @snippet: A #CoglSnippet + * + * Return value: the source string that was set with + * cogl_snippet_set_replace() or %NULL if none was set. + * + * Since: 1.10 + * Stability: Unstable + */ +const char * +cogl_snippet_get_replace (CoglSnippet *snippet); + +/** + * cogl_snippet_set_post: + * @snippet: A #CoglSnippet + * @post: The new source string for the post section of this snippet. + * + * Sets a source string that will be inserted after the hook point in + * the generated shader for the pipeline that this snippet is attached + * to. Please see the documentation of each hook point in + * #CoglPipeline for a description of how this string should be used. + * + * This function should only be called before the snippet is attached + * to its first pipeline. After that the snippet should be considered + * immutable. + * + * Since: 1.10 + * Stability: Unstable + */ +void +cogl_snippet_set_post (CoglSnippet *snippet, + const char *post); + +/** + * cogl_snippet_get_post: + * @snippet: A #CoglSnippet + * + * Return value: the source string that was set with + * cogl_snippet_set_post() or %NULL if none was set. + * + * Since: 1.10 + * Stability: Unstable + */ +const char * +cogl_snippet_get_post (CoglSnippet *snippet); + +COGL_END_DECLS + +#endif /* __COGL_SNIPPET_H__ */ diff --git a/cogl/cogl-spans.c b/cogl/cogl-spans.c new file mode 100644 index 0000000..e7ca678 --- /dev/null +++ b/cogl/cogl-spans.c @@ -0,0 +1,183 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "math.h" + +#include "cogl-util.h" +#include "cogl-spans.h" + +void +_cogl_span_iter_update (CoglSpanIter *iter) +{ + /* Pick current span */ + iter->span = &iter->spans[iter->index]; + + /* Offset next position by span size */ + iter->next_pos = iter->pos + iter->span->size - iter->span->waste; + + /* Check if span intersects the area to cover */ + if (iter->next_pos <= iter->cover_start || + iter->pos >= iter->cover_end) + { + /* Intersection undefined */ + iter->intersects = FALSE; + return; + } + + iter->intersects = TRUE; + + /* Clip start position to coverage area */ + if (iter->pos < iter->cover_start) + iter->intersect_start = iter->cover_start; + else + iter->intersect_start = iter->pos; + + /* Clip end position to coverage area */ + if (iter->next_pos > iter->cover_end) + iter->intersect_end = iter->cover_end; + else + iter->intersect_end = iter->next_pos; +} + +void +_cogl_span_iter_begin (CoglSpanIter *iter, + const CoglSpan *spans, + int n_spans, + float normalize_factor, + float cover_start, + float cover_end, + CoglPipelineWrapMode wrap_mode) +{ + /* XXX: If CLAMP_TO_EDGE needs to be emulated then it needs to be + * done at a higher level than here... */ + _COGL_RETURN_IF_FAIL (wrap_mode == COGL_PIPELINE_WRAP_MODE_REPEAT || + wrap_mode == COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT); + + iter->span = NULL; + + iter->spans = spans; + iter->n_spans = n_spans; + + /* We always iterate in a positive direction from the origin. If + * iter->flipped == TRUE that means whoever is using this API should + * interpreted the current span as extending in the opposite direction. I.e. + * it extends to the left if iterating the X axis, or up if the Y axis. */ + if (cover_start > cover_end) + { + float tmp = cover_start; + cover_start = cover_end; + cover_end = tmp; + iter->flipped = TRUE; + } + else + iter->flipped = FALSE; + + /* The texture spans cover the normalized texture coordinate space ranging + * from [0,1] but to help support repeating of sliced textures we allow + * iteration of any range so we need to relate the start of the range to the + * nearest point equivalent to 0. + */ + if (normalize_factor != 1.0) + { + float cover_start_normalized = cover_start / normalize_factor; + iter->origin = floorf (cover_start_normalized) * normalize_factor; + } + else + iter->origin = floorf (cover_start); + + iter->wrap_mode = wrap_mode; + + if (wrap_mode == COGL_PIPELINE_WRAP_MODE_REPEAT) + iter->index = 0; + else if (wrap_mode == COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT) + { + if ((int)iter->origin % 2) + { + iter->index = iter->n_spans - 1; + iter->mirror_direction = -1; + iter->flipped = !iter->flipped; + } + else + { + iter->index = 0; + iter->mirror_direction = 1; + } + } + else + g_warn_if_reached (); + + iter->cover_start = cover_start; + iter->cover_end = cover_end; + iter->pos = iter->origin; + + /* Update intersection */ + _cogl_span_iter_update (iter); + + while (iter->next_pos <= iter->cover_start) + _cogl_span_iter_next (iter); +} + +void +_cogl_span_iter_next (CoglSpanIter *iter) +{ + /* Move current position */ + iter->pos = iter->next_pos; + + if (iter->wrap_mode == COGL_PIPELINE_WRAP_MODE_REPEAT) + iter->index = (iter->index + 1) % iter->n_spans; + else if (iter->wrap_mode == COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT) + { + iter->index += iter->mirror_direction; + if (iter->index == iter->n_spans || iter->index == -1) + { + iter->mirror_direction = -iter->mirror_direction; + iter->index += iter->mirror_direction; + iter->flipped = !iter->flipped; + } + } + else + g_warn_if_reached (); + + /* Update intersection */ + _cogl_span_iter_update (iter); +} + +CoglBool +_cogl_span_iter_end (CoglSpanIter *iter) +{ + /* End reached when whole area covered */ + return iter->pos >= iter->cover_end; +} + + diff --git a/cogl/cogl-spans.h b/cogl/cogl-spans.h new file mode 100644 index 0000000..a236784 --- /dev/null +++ b/cogl/cogl-spans.h @@ -0,0 +1,81 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_SPANS_PRIVATE_H +#define __COGL_SPANS_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-pipeline-layer-state.h" + +typedef struct _CoglSpan +{ + float start; + float size; + float waste; +} CoglSpan; + +typedef struct _CoglSpanIter +{ + int index; + const CoglSpan *spans; + int n_spans; + const CoglSpan *span; + float pos; + float next_pos; + float origin; + float cover_start; + float cover_end; + float intersect_start; + float intersect_end; + CoglBool intersects; + CoglBool flipped; + CoglPipelineWrapMode wrap_mode; + int mirror_direction; +} CoglSpanIter; + +void +_cogl_span_iter_update (CoglSpanIter *iter); + +void +_cogl_span_iter_begin (CoglSpanIter *iter, + const CoglSpan *spans, + int n_spans, + float normalize_factor, + float cover_start, + float cover_end, + CoglPipelineWrapMode wrap_mode); + +void +_cogl_span_iter_next (CoglSpanIter *iter); + +CoglBool +_cogl_span_iter_end (CoglSpanIter *iter); + +#endif /* __COGL_SPANS_PRIVATE_H */ diff --git a/cogl/cogl-sub-texture-private.h b/cogl/cogl-sub-texture-private.h new file mode 100644 index 0000000..75c476d --- /dev/null +++ b/cogl/cogl-sub-texture-private.h @@ -0,0 +1,62 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_SUB_TEXTURE_PRIVATE_H +#define __COGL_SUB_TEXTURE_PRIVATE_H + +#include "cogl-texture-private.h" + +#include + +struct _CoglSubTexture +{ + CoglTexture _parent; + + /* This is the texture that was passed in to + _cogl_sub_texture_new. If this is also a sub texture then we will + use the full texture from that to render instead of making a + chain. However we want to preserve the next texture in case the + user is expecting us to keep a reference and also so that we can + later add a cogl_sub_texture_get_parent_texture() function. */ + CoglTexture *next_texture; + /* This is the texture that will actually be used to draw. It will + point to the end of the chain if a sub texture of a sub texture + is created */ + CoglTexture *full_texture; + + /* The offset of the region represented by this sub-texture. This is + * the offset in full_texture which won't necessarily be the same as + * the offset passed to _cogl_sub_texture_new if next_texture is + * actually already a sub texture */ + int sub_x; + int sub_y; +}; + +#endif /* __COGL_SUB_TEXTURE_PRIVATE_H */ diff --git a/cogl/cogl-sub-texture.c b/cogl/cogl-sub-texture.c new file mode 100644 index 0000000..7baf95e --- /dev/null +++ b/cogl/cogl-sub-texture.c @@ -0,0 +1,480 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009,2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-texture-private.h" +#include "cogl-sub-texture-private.h" +#include "cogl-sub-texture.h" +#include "cogl-context-private.h" +#include "cogl-object.h" +#include "cogl-texture-driver.h" +#include "cogl-texture-rectangle-private.h" +#include "cogl-texture-2d.h" +#include "cogl-texture-gl-private.h" +#include "cogl-gtype-private.h" + +#include +#include + +static void _cogl_sub_texture_free (CoglSubTexture *sub_tex); + +COGL_TEXTURE_DEFINE (SubTexture, sub_texture); +COGL_GTYPE_DEFINE_CLASS (SubTexture, sub_texture); + +static const CoglTextureVtable cogl_sub_texture_vtable; + +static void +_cogl_sub_texture_unmap_quad (CoglSubTexture *sub_tex, + float *coords) +{ + CoglTexture *tex = COGL_TEXTURE (sub_tex); + + /* NB: coords[] come in as non-normalized if sub_tex->full_texture + * is a CoglTextureRectangle otherwhise they are normalized. The + * coordinates we write out though must always be normalized. + * + * NB: sub_tex->sub_x/y/width/height are in non-normalized + * coordinates. + */ + if (cogl_is_texture_rectangle (sub_tex->full_texture)) + { + coords[0] = (coords[0] - sub_tex->sub_x) / tex->width; + coords[1] = (coords[1] - sub_tex->sub_y) / tex->height; + coords[2] = (coords[2] - sub_tex->sub_x) / tex->width; + coords[3] = (coords[3] - sub_tex->sub_y) / tex->height; + } + else + { + float width = cogl_texture_get_width (sub_tex->full_texture); + float height = cogl_texture_get_height (sub_tex->full_texture); + coords[0] = (coords[0] * width - sub_tex->sub_x) / tex->width; + coords[1] = (coords[1] * height - sub_tex->sub_y) / tex->height; + coords[2] = (coords[2] * width - sub_tex->sub_x) / tex->width; + coords[3] = (coords[3] * height - sub_tex->sub_y) / tex->height; + } +} + +static void +_cogl_sub_texture_map_quad (CoglSubTexture *sub_tex, + float *coords) +{ + CoglTexture *tex = COGL_TEXTURE (sub_tex); + + /* NB: coords[] always come in as normalized coordinates but may go + * out as non-normalized if sub_tex->full_texture is a + * CoglTextureRectangle. + * + * NB: sub_tex->sub_x/y/width/height are in non-normalized + * coordinates. + */ + + if (cogl_is_texture_rectangle (sub_tex->full_texture)) + { + coords[0] = coords[0] * tex->width + sub_tex->sub_x; + coords[1] = coords[1] * tex->height + sub_tex->sub_y; + coords[2] = coords[2] * tex->width + sub_tex->sub_x; + coords[3] = coords[3] * tex->height + sub_tex->sub_y; + } + else + { + float width = cogl_texture_get_width (sub_tex->full_texture); + float height = cogl_texture_get_height (sub_tex->full_texture); + coords[0] = (coords[0] * tex->width + sub_tex->sub_x) / width; + coords[1] = (coords[1] * tex->height + sub_tex->sub_y) / height; + coords[2] = (coords[2] * tex->width + sub_tex->sub_x) / width; + coords[3] = (coords[3] * tex->height + sub_tex->sub_y) / height; + } +} + +typedef struct _CoglSubTextureForeachData +{ + CoglSubTexture *sub_tex; + CoglMetaTextureCallback callback; + void *user_data; +} CoglSubTextureForeachData; + +static void +unmap_coords_cb (CoglTexture *slice_texture, + const float *slice_texture_coords, + const float *meta_coords, + void *user_data) +{ + CoglSubTextureForeachData *data = user_data; + float unmapped_coords[4]; + + memcpy (unmapped_coords, meta_coords, sizeof (unmapped_coords)); + + _cogl_sub_texture_unmap_quad (data->sub_tex, unmapped_coords); + + data->callback (slice_texture, + slice_texture_coords, + unmapped_coords, + data->user_data); +} + +static void +_cogl_sub_texture_foreach_sub_texture_in_region ( + CoglTexture *tex, + float virtual_tx_1, + float virtual_ty_1, + float virtual_tx_2, + float virtual_ty_2, + CoglMetaTextureCallback callback, + void *user_data) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + CoglTexture *full_texture = sub_tex->full_texture; + float mapped_coords[4] = + { virtual_tx_1, virtual_ty_1, virtual_tx_2, virtual_ty_2}; + float virtual_coords[4] = + { virtual_tx_1, virtual_ty_1, virtual_tx_2, virtual_ty_2}; + + /* map the virtual coordinates to ->full_texture coordinates */ + _cogl_sub_texture_map_quad (sub_tex, mapped_coords); + + /* TODO: Add something like cogl_is_low_level_texture() */ + if (cogl_is_texture_2d (full_texture) || + cogl_is_texture_rectangle (full_texture)) + { + callback (sub_tex->full_texture, + mapped_coords, + virtual_coords, + user_data); + } + else + { + CoglSubTextureForeachData data; + + data.sub_tex = sub_tex; + data.callback = callback; + data.user_data = user_data; + + cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (full_texture), + mapped_coords[0], + mapped_coords[1], + mapped_coords[2], + mapped_coords[3], + COGL_PIPELINE_WRAP_MODE_REPEAT, + COGL_PIPELINE_WRAP_MODE_REPEAT, + unmap_coords_cb, + &data); + } +} + +static void +_cogl_sub_texture_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + _cogl_texture_gl_flush_legacy_texobj_wrap_modes (sub_tex->full_texture, + wrap_mode_s, + wrap_mode_t, + wrap_mode_p); +} + +static void +_cogl_sub_texture_free (CoglSubTexture *sub_tex) +{ + cogl_object_unref (sub_tex->next_texture); + cogl_object_unref (sub_tex->full_texture); + + /* Chain up */ + _cogl_texture_free (COGL_TEXTURE (sub_tex)); +} + +CoglSubTexture * +cogl_sub_texture_new (CoglContext *ctx, + CoglTexture *next_texture, + int sub_x, int sub_y, + int sub_width, int sub_height) +{ + CoglTexture *full_texture; + CoglSubTexture *sub_tex; + CoglTexture *tex; + unsigned int next_width, next_height; + + next_width = cogl_texture_get_width (next_texture); + next_height = cogl_texture_get_height (next_texture); + + /* The region must specify a non-zero subset of the full texture */ + _COGL_RETURN_VAL_IF_FAIL (sub_x >= 0 && sub_y >= 0, NULL); + _COGL_RETURN_VAL_IF_FAIL (sub_width > 0 && sub_height > 0, NULL); + _COGL_RETURN_VAL_IF_FAIL (sub_x + sub_width <= next_width, NULL); + _COGL_RETURN_VAL_IF_FAIL (sub_y + sub_height <= next_height, NULL); + + sub_tex = g_new (CoglSubTexture, 1); + + tex = COGL_TEXTURE (sub_tex); + + _cogl_texture_init (tex, ctx, sub_width, sub_height, + _cogl_texture_get_format (next_texture), + NULL, /* no loader */ + &cogl_sub_texture_vtable); + + /* If the next texture is also a sub texture we can avoid one level + of indirection by referencing the full texture of that texture + instead. */ + if (cogl_is_sub_texture (next_texture)) + { + CoglSubTexture *other_sub_tex = COGL_SUB_TEXTURE (next_texture); + full_texture = other_sub_tex->full_texture; + sub_x += other_sub_tex->sub_x; + sub_y += other_sub_tex->sub_y; + } + else + full_texture = next_texture; + + sub_tex->next_texture = cogl_object_ref (next_texture); + sub_tex->full_texture = cogl_object_ref (full_texture); + + sub_tex->sub_x = sub_x; + sub_tex->sub_y = sub_y; + + return _cogl_sub_texture_object_new (sub_tex); +} + +static CoglBool +_cogl_sub_texture_allocate (CoglTexture *tex, + CoglError **error) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + CoglBool status = cogl_texture_allocate (sub_tex->full_texture, error); + + _cogl_texture_set_allocated (tex, + _cogl_texture_get_format (sub_tex->full_texture), + tex->width, tex->height); + + return status; +} + +CoglTexture * +cogl_sub_texture_get_parent (CoglSubTexture *sub_texture) +{ + return sub_texture->next_texture; +} + +static int +_cogl_sub_texture_get_max_waste (CoglTexture *tex) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + return cogl_texture_get_max_waste (sub_tex->full_texture); +} + +static CoglBool +_cogl_sub_texture_is_sliced (CoglTexture *tex) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + return cogl_texture_is_sliced (sub_tex->full_texture); +} + +static CoglBool +_cogl_sub_texture_can_hardware_repeat (CoglTexture *tex) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + /* We can hardware repeat if the subtexture actually represents all of the + of the full texture */ + return (tex->width == + cogl_texture_get_width (sub_tex->full_texture) && + tex->height == + cogl_texture_get_height (sub_tex->full_texture) && + _cogl_texture_can_hardware_repeat (sub_tex->full_texture)); +} + +static void +_cogl_sub_texture_transform_coords_to_gl (CoglTexture *tex, + float *s, + float *t) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + /* This won't work if the sub texture is not the size of the full + texture and the coordinates are outside the range [0,1] */ + *s = ((*s * tex->width + sub_tex->sub_x) / + cogl_texture_get_width (sub_tex->full_texture)); + *t = ((*t * tex->height + sub_tex->sub_y) / + cogl_texture_get_height (sub_tex->full_texture)); + + _cogl_texture_transform_coords_to_gl (sub_tex->full_texture, s, t); +} + +static CoglTransformResult +_cogl_sub_texture_transform_quad_coords_to_gl (CoglTexture *tex, + float *coords) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + int i; + + /* We can't support repeating with this method. In this case + cogl-primitives will resort to manual repeating */ + for (i = 0; i < 4; i++) + if (coords[i] < 0.0f || coords[i] > 1.0f) + return COGL_TRANSFORM_SOFTWARE_REPEAT; + + _cogl_sub_texture_map_quad (sub_tex, coords); + + return _cogl_texture_transform_quad_coords_to_gl (sub_tex->full_texture, + coords); +} + +static CoglBool +_cogl_sub_texture_get_gl_texture (CoglTexture *tex, + GLuint *out_gl_handle, + GLenum *out_gl_target) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + return cogl_texture_get_gl_texture (sub_tex->full_texture, + out_gl_handle, + out_gl_target); +} + +static void +_cogl_sub_texture_gl_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + _cogl_texture_gl_flush_legacy_texobj_filters (sub_tex->full_texture, + min_filter, mag_filter); +} + +static void +_cogl_sub_texture_pre_paint (CoglTexture *tex, + CoglTexturePrePaintFlags flags) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + _cogl_texture_pre_paint (sub_tex->full_texture, flags); +} + +static void +_cogl_sub_texture_ensure_non_quad_rendering (CoglTexture *tex) +{ +} + +static CoglBool +_cogl_sub_texture_set_region (CoglTexture *tex, + int src_x, + int src_y, + int dst_x, + int dst_y, + int dst_width, + int dst_height, + int level, + CoglBitmap *bmp, + CoglError **error) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + if (level != 0) + { + int full_width = cogl_texture_get_width (sub_tex->full_texture); + int full_height = cogl_texture_get_width (sub_tex->full_texture); + + _COGL_RETURN_VAL_IF_FAIL (sub_tex->sub_x == 0 && + cogl_texture_get_width (tex) == full_width, + FALSE); + _COGL_RETURN_VAL_IF_FAIL (sub_tex->sub_y == 0 && + cogl_texture_get_height (tex) == full_height, + FALSE); + } + + return _cogl_texture_set_region_from_bitmap (sub_tex->full_texture, + src_x, src_y, + dst_width, dst_height, + bmp, + dst_x + sub_tex->sub_x, + dst_y + sub_tex->sub_y, + level, + error); +} + +static CoglPixelFormat +_cogl_sub_texture_get_format (CoglTexture *tex) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + return _cogl_texture_get_format (sub_tex->full_texture); +} + +static GLenum +_cogl_sub_texture_get_gl_format (CoglTexture *tex) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + return _cogl_texture_gl_get_format (sub_tex->full_texture); +} + +static CoglTextureType +_cogl_sub_texture_get_type (CoglTexture *tex) +{ + CoglSubTexture *sub_tex = COGL_SUB_TEXTURE (tex); + + return _cogl_texture_get_type (sub_tex->full_texture); +} + +static const CoglTextureVtable +cogl_sub_texture_vtable = + { + FALSE, /* not primitive */ + _cogl_sub_texture_allocate, + _cogl_sub_texture_set_region, + NULL, /* get_data */ + _cogl_sub_texture_foreach_sub_texture_in_region, + _cogl_sub_texture_get_max_waste, + _cogl_sub_texture_is_sliced, + _cogl_sub_texture_can_hardware_repeat, + _cogl_sub_texture_transform_coords_to_gl, + _cogl_sub_texture_transform_quad_coords_to_gl, + _cogl_sub_texture_get_gl_texture, + _cogl_sub_texture_gl_flush_legacy_texobj_filters, + _cogl_sub_texture_pre_paint, + _cogl_sub_texture_ensure_non_quad_rendering, + _cogl_sub_texture_gl_flush_legacy_texobj_wrap_modes, + _cogl_sub_texture_get_format, + _cogl_sub_texture_get_gl_format, + _cogl_sub_texture_get_type, + NULL, /* is_foreign */ + NULL /* set_auto_mipmap */ + }; diff --git a/cogl/cogl-sub-texture.h b/cogl/cogl-sub-texture.h new file mode 100644 index 0000000..ced2677 --- /dev/null +++ b/cogl/cogl-sub-texture.h @@ -0,0 +1,136 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Neil Roberts + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_SUB_TEXTURE_H +#define __COGL_SUB_TEXTURE_H + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-sub-texture + * @short_description: Functions for creating and manipulating + * sub-textures. + * + * These functions allow high-level textures to be created that + * represent a sub-region of another texture. For example these + * can be used to implement custom texture atlasing schemes. + */ + + +#define COGL_SUB_TEXTURE(tex) ((CoglSubTexture *) tex) +typedef struct _CoglSubTexture CoglSubTexture; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_sub_texture_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_sub_texture_get_gtype (void); +#endif + +/** + * cogl_sub_texture_new: + * @ctx: A #CoglContext pointer + * @parent_texture: The full texture containing a sub-region you want + * to make a #CoglSubTexture from. + * @sub_x: The top-left x coordinate of the parent region to make + * a texture from. + * @sub_y: The top-left y coordinate of the parent region to make + * a texture from. + * @sub_width: The width of the parent region to make a texture from. + * @sub_height: The height of the parent region to make a texture + * from. + * + * Creates a high-level #CoglSubTexture representing a sub-region of + * any other #CoglTexture. The sub-region must strictly lye within the + * bounds of the @parent_texture. The returned texture implements the + * #CoglMetaTexture interface because it's not a low level texture + * that hardware can understand natively. + * + * Remember: Unless you are using high level drawing APIs such + * as cogl_rectangle() or other APIs documented to understand the + * #CoglMetaTexture interface then you need to use the + * #CoglMetaTexture interface to resolve a #CoglSubTexture into a + * low-level texture before drawing. + * + * Return value: (transfer full): A newly allocated #CoglSubTexture + * representing a sub-region of @parent_texture. + * + * Since: 1.10 + * Stability: unstable + */ +CoglSubTexture * +cogl_sub_texture_new (CoglContext *ctx, + CoglTexture *parent_texture, + int sub_x, + int sub_y, + int sub_width, + int sub_height); + +/** + * cogl_sub_texture_get_parent: + * @sub_texture: A pointer to a #CoglSubTexture + * + * Retrieves the parent texture that @sub_texture derives its content + * from. This is the texture that was passed to + * cogl_sub_texture_new() as the parent_texture argument. + * + * Return value: (transfer none): The parent texture that @sub_texture + * derives its content from. + * Since: 1.10 + * Stability: unstable + */ +CoglTexture * +cogl_sub_texture_get_parent (CoglSubTexture *sub_texture); + +/** + * cogl_is_sub_texture: + * @object: a #CoglObject + * + * Checks whether @object is a #CoglSubTexture. + * + * Return value: %TRUE if the passed @object represents a + * #CoglSubTexture and %FALSE otherwise. + * + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_is_sub_texture (void *object); + +COGL_END_DECLS + +#endif /* __COGL_SUB_TEXTURE_H */ diff --git a/cogl/cogl-swap-chain-private.h b/cogl/cogl-swap-chain-private.h new file mode 100644 index 0000000..c67e6f0 --- /dev/null +++ b/cogl/cogl-swap-chain-private.h @@ -0,0 +1,45 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_SWAP_CHAIN_PRIVATE_H +#define __COGL_SWAP_CHAIN_PRIVATE_H + +#include "cogl-object-private.h" + +struct _CoglSwapChain +{ + CoglObject _parent; + + CoglBool has_alpha; + + int length; +}; + +#endif /* __COGL_SWAP_CHAIN_PRIVATE_H */ diff --git a/cogl/cogl-swap-chain.c b/cogl/cogl-swap-chain.c new file mode 100644 index 0000000..e5dd2f4 --- /dev/null +++ b/cogl/cogl-swap-chain.c @@ -0,0 +1,76 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-object.h" + +#include "cogl-swap-chain-private.h" +#include "cogl-swap-chain.h" +#include "cogl-gtype-private.h" + +static void _cogl_swap_chain_free (CoglSwapChain *swap_chain); + +COGL_OBJECT_DEFINE (SwapChain, swap_chain); +COGL_GTYPE_DEFINE_CLASS (SwapChain, swap_chain); + + +static void +_cogl_swap_chain_free (CoglSwapChain *swap_chain) +{ + g_slice_free (CoglSwapChain, swap_chain); +} + +CoglSwapChain * +cogl_swap_chain_new (void) +{ + CoglSwapChain *swap_chain = g_slice_new0 (CoglSwapChain); + + swap_chain->length = -1; /* no preference */ + + return _cogl_swap_chain_object_new (swap_chain); +} + +void +cogl_swap_chain_set_has_alpha (CoglSwapChain *swap_chain, + CoglBool has_alpha) +{ + swap_chain->has_alpha = has_alpha; +} + +void +cogl_swap_chain_set_length (CoglSwapChain *swap_chain, + int length) +{ + swap_chain->length = length; +} diff --git a/cogl/cogl-swap-chain.h b/cogl/cogl-swap-chain.h new file mode 100644 index 0000000..d048867 --- /dev/null +++ b/cogl/cogl-swap-chain.h @@ -0,0 +1,71 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_SWAP_CHAIN_H__ +#define __COGL_SWAP_CHAIN_H__ + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +typedef struct _CoglSwapChain CoglSwapChain; + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_swap_chain_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_swap_chain_get_gtype (void); +#endif + +CoglSwapChain * +cogl_swap_chain_new (void); + +void +cogl_swap_chain_set_has_alpha (CoglSwapChain *swap_chain, + CoglBool has_alpha); + +void +cogl_swap_chain_set_length (CoglSwapChain *swap_chain, + int length); + +CoglBool +cogl_is_swap_chain (void *object); + +COGL_END_DECLS + +#endif /* __COGL_SWAP_CHAIN_H__ */ diff --git a/cogl/cogl-texture-2d-gl.h b/cogl/cogl-texture-2d-gl.h new file mode 100644 index 0000000..e7b22df --- /dev/null +++ b/cogl/cogl-texture-2d-gl.h @@ -0,0 +1,78 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef _COGL_TEXTURE_2D_GL_H_ +#define _COGL_TEXTURE_2D_GL_H_ + +#include "cogl-context.h" +#include "cogl-texture-2d.h" + +COGL_BEGIN_DECLS + +/** + * cogl_texture_2d_gl_new_from_foreign: + * @ctx: A #CoglContext + * @gl_handle: A GL handle for a GL_TEXTURE_2D texture object + * @width: Width of the foreign GL texture + * @height: Height of the foreign GL texture + * @format: The format of the texture + * + * Wraps an existing GL_TEXTURE_2D texture object as a #CoglTexture2D. + * This can be used for integrating Cogl with software using OpenGL + * directly. + * + * The texture is still configurable until it has been allocated so + * for example you can declare whether the texture is premultiplied + * with cogl_texture_set_premultiplied(). + * + * The results are undefined for passing an invalid @gl_handle + * or if @width or @height don't have the correct texture + * geometry. + * + * Returns: (transfer full): A newly allocated #CoglTexture2D + * + * Since: 2.0 + */ +CoglTexture2D * +cogl_texture_2d_gl_new_from_foreign (CoglContext *ctx, + unsigned int gl_handle, + int width, + int height, + CoglPixelFormat format); + +COGL_END_DECLS + +#endif /* _COGL_TEXTURE_2D_GL_H_ */ diff --git a/cogl/cogl-texture-2d-private.h b/cogl/cogl-texture-2d-private.h new file mode 100644 index 0000000..27847af --- /dev/null +++ b/cogl/cogl-texture-2d-private.h @@ -0,0 +1,134 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_TEXTURE_2D_PRIVATE_H +#define __COGL_TEXTURE_2D_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-2d.h" + +#ifdef COGL_HAS_EGL_SUPPORT +#include "cogl-egl-defines.h" +#endif + +struct _CoglTexture2D +{ + CoglTexture _parent; + + /* The internal format of the GL texture represented as a + CoglPixelFormat */ + CoglPixelFormat internal_format; + + CoglBool auto_mipmap; + CoglBool mipmaps_dirty; + CoglBool is_foreign; + + /* TODO: factor out these OpenGL specific members into some form + * of driver private state. */ + + /* The internal format of the GL texture represented as a GL enum */ + GLenum gl_internal_format; + /* The texture object number */ + GLuint gl_texture; + GLenum gl_legacy_texobj_min_filter; + GLenum gl_legacy_texobj_mag_filter; + GLint gl_legacy_texobj_wrap_mode_s; + GLint gl_legacy_texobj_wrap_mode_t; + CoglTexturePixel first_pixel; +}; + +CoglTexture2D * +_cogl_texture_2d_new_from_bitmap (CoglBitmap *bmp, + CoglBool can_convert_in_place); + +#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base) +/* NB: The reason we require the width, height and format to be passed + * even though they may seem redundant is because GLES 1/2 don't + * provide a way to query these properties. */ +CoglTexture2D * +_cogl_egl_texture_2d_new_from_image (CoglContext *ctx, + int width, + int height, + CoglPixelFormat format, + EGLImageKHR image, + CoglError **error); +#endif + +CoglTexture2D * +_cogl_texture_2d_create_base (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format, + CoglTextureLoader *loader); + +void +_cogl_texture_2d_set_auto_mipmap (CoglTexture *tex, + CoglBool value); + +/* + * _cogl_texture_2d_externally_modified: + * @texture: A #CoglTexture2D object + * + * This should be called whenever the texture is modified other than + * by using cogl_texture_set_region. It will cause the mipmaps to be + * invalidated + */ +void +_cogl_texture_2d_externally_modified (CoglTexture *texture); + +/* + * _cogl_texture_2d_copy_from_framebuffer: + * @texture: A #CoglTexture2D pointer + * @src_x: X-position to within the framebuffer to read from + * @src_y: Y-position to within the framebuffer to read from + * @width: width of the rectangle to copy + * @height: height of the rectangle to copy + * @src_fb: A source #CoglFramebuffer to copy from + * @dst_x: X-position to store the image within the texture + * @dst_y: Y-position to store the image within the texture + * @level: The mipmap level of @texture to copy too + * + * This copies a portion of the given @src_fb into the + * texture. + */ +void +_cogl_texture_2d_copy_from_framebuffer (CoglTexture2D *texture, + int src_x, + int src_y, + int width, + int height, + CoglFramebuffer *src_fb, + int dst_x, + int dst_y, + int level); + +#endif /* __COGL_TEXTURE_2D_PRIVATE_H */ diff --git a/cogl/cogl-texture-2d-sliced-private.h b/cogl/cogl-texture-2d-sliced-private.h new file mode 100644 index 0000000..e827923 --- /dev/null +++ b/cogl/cogl-texture-2d-sliced-private.h @@ -0,0 +1,67 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_TEXTURE_2D_SLICED_PRIVATE_H +#define __COGL_TEXTURE_2D_SLICED_PRIVATE_H + +#include "cogl-bitmap-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-2d-sliced.h" + +#include + +struct _CoglTexture2DSliced +{ + CoglTexture _parent; + + GArray *slice_x_spans; + GArray *slice_y_spans; + GArray *slice_textures; + int max_waste; + CoglPixelFormat internal_format; +}; + +CoglTexture2DSliced * +_cogl_texture_2d_sliced_new_from_foreign (CoglContext *context, + unsigned int gl_handle, + unsigned int gl_target, + int width, + int height, + int x_pot_waste, + int y_pot_waste, + CoglPixelFormat format); + +CoglTexture2DSliced * +_cogl_texture_2d_sliced_new_from_bitmap (CoglBitmap *bmp, + int max_waste, + CoglBool can_convert_in_place); + +#endif /* __COGL_TEXTURE_2D_SLICED_PRIVATE_H */ diff --git a/cogl/cogl-texture-2d-sliced.c b/cogl/cogl-texture-2d-sliced.c new file mode 100644 index 0000000..e76bef6 --- /dev/null +++ b/cogl/cogl-texture-2d-sliced.c @@ -0,0 +1,1546 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Matthew Allum + * Neil Roberts + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-debug.h" +#include "cogl-private.h" +#include "cogl-util.h" +#include "cogl-bitmap.h" +#include "cogl-bitmap-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-2d-gl.h" +#include "cogl-texture-2d-private.h" +#include "cogl-texture-2d-sliced-private.h" +#include "cogl-texture-gl-private.h" +#include "cogl-texture-driver.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-spans.h" +#include "cogl-journal-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-primitive-texture.h" +#include "cogl-error-private.h" +#include "cogl-texture-gl-private.h" +#include "cogl-gtype-private.h" + +#include +#include +#include + +static void _cogl_texture_2d_sliced_free (CoglTexture2DSliced *tex_2ds); + +COGL_TEXTURE_DEFINE (Texture2DSliced, texture_2d_sliced); +COGL_GTYPE_DEFINE_CLASS (Texture2DSliced, texture_2d_sliced, + COGL_GTYPE_IMPLEMENT_INTERFACE (texture)); + +static const CoglTextureVtable cogl_texture_2d_sliced_vtable; + +typedef struct _ForeachData +{ + CoglMetaTextureCallback callback; + void *user_data; + float x_normalize_factor; + float y_normalize_factor; +} ForeachData; + +static void +re_normalize_sub_texture_coords_cb (CoglTexture *sub_texture, + const float *sub_texture_coords, + const float *meta_coords, + void *user_data) +{ + ForeachData *data = user_data; + /* The coordinates passed to the span iterating code were + * un-normalized so we need to renormalize them before passing them + * on */ + float re_normalized_coords[4] = + { + meta_coords[0] * data->x_normalize_factor, + meta_coords[1] * data->y_normalize_factor, + meta_coords[2] * data->x_normalize_factor, + meta_coords[3] * data->y_normalize_factor + }; + + data->callback (sub_texture, sub_texture_coords, re_normalized_coords, + data->user_data); +} + +static void +_cogl_texture_2d_sliced_foreach_sub_texture_in_region ( + CoglTexture *tex, + float virtual_tx_1, + float virtual_ty_1, + float virtual_tx_2, + float virtual_ty_2, + CoglMetaTextureCallback callback, + void *user_data) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + CoglSpan *x_spans = (CoglSpan *)tex_2ds->slice_x_spans->data; + CoglSpan *y_spans = (CoglSpan *)tex_2ds->slice_y_spans->data; + CoglTexture **textures = (CoglTexture **)tex_2ds->slice_textures->data; + float un_normalized_coords[4]; + ForeachData data; + + /* NB: its convenient for us to store non-normalized coordinates in + * our CoglSpans but that means we need to un-normalize the incoming + * virtual coordinates and make sure we re-normalize the coordinates + * before calling the given callback. + */ + + data.callback = callback; + data.user_data = user_data; + data.x_normalize_factor = 1.0f / tex->width; + data.y_normalize_factor = 1.0f / tex->height; + + un_normalized_coords[0] = virtual_tx_1 * tex->width; + un_normalized_coords[1] = virtual_ty_1 * tex->height; + un_normalized_coords[2] = virtual_tx_2 * tex->width; + un_normalized_coords[3] = virtual_ty_2 * tex->height; + + /* Note that the normalize factors passed here are the reciprocal of + * the factors calculated above because the span iterating code + * normalizes by dividing by the factor instead of multiplying */ + _cogl_texture_spans_foreach_in_region (x_spans, + tex_2ds->slice_x_spans->len, + y_spans, + tex_2ds->slice_y_spans->len, + textures, + un_normalized_coords, + tex->width, + tex->height, + COGL_PIPELINE_WRAP_MODE_REPEAT, + COGL_PIPELINE_WRAP_MODE_REPEAT, + re_normalize_sub_texture_coords_cb, + &data); +} + +static uint8_t * +_cogl_texture_2d_sliced_allocate_waste_buffer (CoglTexture2DSliced *tex_2ds, + CoglPixelFormat format) +{ + CoglSpan *last_x_span; + CoglSpan *last_y_span; + uint8_t *waste_buf = NULL; + + /* If the texture has any waste then allocate a buffer big enough to + fill the gaps */ + last_x_span = &g_array_index (tex_2ds->slice_x_spans, CoglSpan, + tex_2ds->slice_x_spans->len - 1); + last_y_span = &g_array_index (tex_2ds->slice_y_spans, CoglSpan, + tex_2ds->slice_y_spans->len - 1); + if (last_x_span->waste > 0 || last_y_span->waste > 0) + { + int bpp = _cogl_pixel_format_get_bytes_per_pixel (format); + CoglSpan *first_x_span + = &g_array_index (tex_2ds->slice_x_spans, CoglSpan, 0); + CoglSpan *first_y_span + = &g_array_index (tex_2ds->slice_y_spans, CoglSpan, 0); + unsigned int right_size = first_y_span->size * last_x_span->waste; + unsigned int bottom_size = first_x_span->size * last_y_span->waste; + + waste_buf = g_malloc (MAX (right_size, bottom_size) * bpp); + } + + return waste_buf; +} + +static CoglBool +_cogl_texture_2d_sliced_set_waste (CoglTexture2DSliced *tex_2ds, + CoglBitmap *source_bmp, + CoglTexture2D *slice_tex, + uint8_t *waste_buf, + CoglSpan *x_span, + CoglSpan *y_span, + CoglSpanIter *x_iter, + CoglSpanIter *y_iter, + int src_x, + int src_y, + int dst_x, + int dst_y, + CoglError **error) +{ + CoglBool need_x, need_y; + CoglContext *ctx = COGL_TEXTURE (tex_2ds)->context; + + /* If the x_span is sliced and the upload touches the + rightmost pixels then fill the waste with copies of the + pixels */ + need_x = x_span->waste > 0 && + x_iter->intersect_end - x_iter->pos >= x_span->size - x_span->waste; + + /* same for the bottom-most pixels */ + need_y = y_span->waste > 0 && + y_iter->intersect_end - y_iter->pos >= y_span->size - y_span->waste; + + if (need_x || need_y) + { + int bmp_rowstride = cogl_bitmap_get_rowstride (source_bmp); + CoglPixelFormat source_format = cogl_bitmap_get_format (source_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (source_format); + uint8_t *bmp_data; + const uint8_t *src; + uint8_t *dst; + unsigned int wy, wx; + CoglBitmap *waste_bmp; + + bmp_data = _cogl_bitmap_map (source_bmp, COGL_BUFFER_ACCESS_READ, 0, error); + if (bmp_data == NULL) + return FALSE; + + if (need_x) + { + src = (bmp_data + ((src_y + (int) y_iter->intersect_start - dst_y) * + bmp_rowstride) + + (src_x + (int)x_span->start + (int)x_span->size - + (int)x_span->waste - dst_x - 1) * bpp); + + dst = waste_buf; + + for (wy = 0; + wy < y_iter->intersect_end - y_iter->intersect_start; + wy++) + { + for (wx = 0; wx < x_span->waste; wx++) + { + memcpy (dst, src, bpp); + dst += bpp; + } + src += bmp_rowstride; + } + + waste_bmp = cogl_bitmap_new_for_data (ctx, + x_span->waste, + y_iter->intersect_end - + y_iter->intersect_start, + source_format, + x_span->waste * bpp, + waste_buf); + + if (!_cogl_texture_set_region_from_bitmap (COGL_TEXTURE (slice_tex), + 0, /* src_x */ + 0, /* src_y */ + x_span->waste, /* width */ + /* height */ + y_iter->intersect_end - + y_iter->intersect_start, + waste_bmp, + /* dst_x */ + x_span->size - x_span->waste, + y_iter->intersect_start - + y_span->start, /* dst_y */ + 0, /* level */ + error)) + { + cogl_object_unref (waste_bmp); + _cogl_bitmap_unmap (source_bmp); + return FALSE; + } + + cogl_object_unref (waste_bmp); + } + + if (need_y) + { + unsigned int copy_width, intersect_width; + + src = (bmp_data + ((src_x + (int) x_iter->intersect_start - dst_x) * + bpp) + + (src_y + (int)y_span->start + (int)y_span->size - + (int)y_span->waste - dst_y - 1) * bmp_rowstride); + + dst = waste_buf; + + if (x_iter->intersect_end - x_iter->pos + >= x_span->size - x_span->waste) + copy_width = x_span->size + x_iter->pos - x_iter->intersect_start; + else + copy_width = x_iter->intersect_end - x_iter->intersect_start; + + intersect_width = x_iter->intersect_end - x_iter->intersect_start; + + for (wy = 0; wy < y_span->waste; wy++) + { + memcpy (dst, src, intersect_width * bpp); + dst += intersect_width * bpp; + + for (wx = intersect_width; wx < copy_width; wx++) + { + memcpy (dst, dst - bpp, bpp); + dst += bpp; + } + } + + waste_bmp = cogl_bitmap_new_for_data (ctx, + copy_width, + y_span->waste, + source_format, + copy_width * bpp, + waste_buf); + + if (!_cogl_texture_set_region_from_bitmap (COGL_TEXTURE (slice_tex), + 0, /* src_x */ + 0, /* src_y */ + copy_width, /* width */ + y_span->waste, /* height */ + waste_bmp, + /* dst_x */ + x_iter->intersect_start - + x_iter->pos, + /* dst_y */ + y_span->size - y_span->waste, + 0, /* level */ + error)) + { + cogl_object_unref (waste_bmp); + _cogl_bitmap_unmap (source_bmp); + return FALSE; + } + + cogl_object_unref (waste_bmp); + } + + _cogl_bitmap_unmap (source_bmp); + } + + return TRUE; +} + +static CoglBool +_cogl_texture_2d_sliced_upload_bitmap (CoglTexture2DSliced *tex_2ds, + CoglBitmap *bmp, + CoglError **error) +{ + CoglSpan *x_span; + CoglSpan *y_span; + CoglTexture2D *slice_tex; + int x, y; + uint8_t *waste_buf; + CoglPixelFormat bmp_format; + + bmp_format = cogl_bitmap_get_format (bmp); + + waste_buf = _cogl_texture_2d_sliced_allocate_waste_buffer (tex_2ds, + bmp_format); + + /* Iterate vertical slices */ + for (y = 0; y < tex_2ds->slice_y_spans->len; ++y) + { + y_span = &g_array_index (tex_2ds->slice_y_spans, CoglSpan, y); + + /* Iterate horizontal slices */ + for (x = 0; x < tex_2ds->slice_x_spans->len; ++x) + { + int slice_num = y * tex_2ds->slice_x_spans->len + x; + CoglSpanIter x_iter, y_iter; + + x_span = &g_array_index (tex_2ds->slice_x_spans, CoglSpan, x); + + /* Pick the gl texture object handle */ + slice_tex = g_array_index (tex_2ds->slice_textures, + CoglTexture2D *, slice_num); + + if (!_cogl_texture_set_region_from_bitmap (COGL_TEXTURE (slice_tex), + x_span->start, /* src x */ + y_span->start, /* src y */ + x_span->size - + x_span->waste, /* width */ + y_span->size - + y_span->waste, /* height */ + bmp, + 0, /* dst x */ + 0, /* dst y */ + 0, /* level */ + error)) + { + if (waste_buf) + g_free (waste_buf); + return FALSE; + } + + /* Set up a fake iterator that covers the whole slice */ + x_iter.intersect_start = x_span->start; + x_iter.intersect_end = (x_span->start + + x_span->size - + x_span->waste); + x_iter.pos = x_span->start; + + y_iter.intersect_start = y_span->start; + y_iter.intersect_end = (y_span->start + + y_span->size - + y_span->waste); + y_iter.pos = y_span->start; + + if (!_cogl_texture_2d_sliced_set_waste (tex_2ds, + bmp, + slice_tex, + waste_buf, + x_span, y_span, + &x_iter, &y_iter, + 0, /* src_x */ + 0, /* src_y */ + 0, /* dst_x */ + 0, + error)) /* dst_y */ + { + if (waste_buf) + g_free (waste_buf); + return FALSE; + } + } + } + + if (waste_buf) + g_free (waste_buf); + + return TRUE; +} + +static CoglBool +_cogl_texture_2d_sliced_upload_subregion (CoglTexture2DSliced *tex_2ds, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height, + CoglBitmap *source_bmp, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2ds); + CoglSpan *x_span; + CoglSpan *y_span; + CoglSpanIter x_iter; + CoglSpanIter y_iter; + CoglTexture2D *slice_tex; + int source_x = 0, source_y = 0; + int inter_w = 0, inter_h = 0; + int local_x = 0, local_y = 0; + uint8_t *waste_buf; + CoglPixelFormat source_format; + + source_format = cogl_bitmap_get_format (source_bmp); + + waste_buf = + _cogl_texture_2d_sliced_allocate_waste_buffer (tex_2ds, source_format); + + /* Iterate vertical spans */ + for (source_y = src_y, + _cogl_span_iter_begin (&y_iter, + (CoglSpan *)tex_2ds->slice_y_spans->data, + tex_2ds->slice_y_spans->len, + tex->height, + dst_y, + dst_y + height, + COGL_PIPELINE_WRAP_MODE_REPEAT); + + !_cogl_span_iter_end (&y_iter); + + _cogl_span_iter_next (&y_iter), + source_y += inter_h ) + { + y_span = &g_array_index (tex_2ds->slice_y_spans, CoglSpan, + y_iter.index); + + /* Iterate horizontal spans */ + for (source_x = src_x, + _cogl_span_iter_begin (&x_iter, + (CoglSpan *)tex_2ds->slice_x_spans->data, + tex_2ds->slice_x_spans->len, + tex->width, + dst_x, + dst_x + width, + COGL_PIPELINE_WRAP_MODE_REPEAT); + + !_cogl_span_iter_end (&x_iter); + + _cogl_span_iter_next (&x_iter), + source_x += inter_w ) + { + int slice_num; + + x_span = &g_array_index (tex_2ds->slice_x_spans, CoglSpan, + x_iter.index); + + /* Pick intersection width and height */ + inter_w = (x_iter.intersect_end - x_iter.intersect_start); + inter_h = (y_iter.intersect_end - y_iter.intersect_start); + + /* Localize intersection top-left corner to slice*/ + local_x = (x_iter.intersect_start - x_iter.pos); + local_y = (y_iter.intersect_start - y_iter.pos); + + slice_num = y_iter.index * tex_2ds->slice_x_spans->len + x_iter.index; + + /* Pick slice texture */ + slice_tex = g_array_index (tex_2ds->slice_textures, + CoglTexture2D *, slice_num); + + if (!_cogl_texture_set_region_from_bitmap (COGL_TEXTURE (slice_tex), + source_x, + source_y, + inter_w, /* width */ + inter_h, /* height */ + source_bmp, + local_x, /* dst x */ + local_y, /* dst y */ + 0, /* level */ + error)) + { + if (waste_buf) + g_free (waste_buf); + return FALSE; + } + + if (!_cogl_texture_2d_sliced_set_waste (tex_2ds, + source_bmp, + slice_tex, + waste_buf, + x_span, y_span, + &x_iter, &y_iter, + src_x, src_y, + dst_x, dst_y, + error)) + { + if (waste_buf) + g_free (waste_buf); + return FALSE; + } + } + } + + if (waste_buf) + g_free (waste_buf); + + return TRUE; +} + +static int +_cogl_rect_slices_for_size (int size_to_fill, + int max_span_size, + int max_waste, + GArray *out_spans) +{ + int n_spans = 0; + CoglSpan span; + + /* Init first slice span */ + span.start = 0; + span.size = max_span_size; + span.waste = 0; + + /* Repeat until whole area covered */ + while (size_to_fill >= span.size) + { + /* Add another slice span of same size */ + if (out_spans) + g_array_append_val (out_spans, span); + span.start += span.size; + size_to_fill -= span.size; + n_spans++; + } + + /* Add one last smaller slice span */ + if (size_to_fill > 0) + { + span.size = size_to_fill; + if (out_spans) + g_array_append_val (out_spans, span); + n_spans++; + } + + return n_spans; +} + +static int +_cogl_pot_slices_for_size (int size_to_fill, + int max_span_size, + int max_waste, + GArray *out_spans) +{ + int n_spans = 0; + CoglSpan span; + + /* Init first slice span */ + span.start = 0; + span.size = max_span_size; + span.waste = 0; + + /* Fix invalid max_waste */ + if (max_waste < 0) + max_waste = 0; + + while (TRUE) + { + /* Is the whole area covered? */ + if (size_to_fill > span.size) + { + /* Not yet - add a span of this size */ + if (out_spans) + g_array_append_val (out_spans, span); + + span.start += span.size; + size_to_fill -= span.size; + n_spans++; + } + else if (span.size - size_to_fill <= max_waste) + { + /* Yes and waste is small enough */ + /* Pick the next power of two up from size_to_fill. This can + sometimes be less than the span.size that would be chosen + otherwise */ + span.size = _cogl_util_next_p2 (size_to_fill); + span.waste = span.size - size_to_fill; + if (out_spans) + g_array_append_val (out_spans, span); + + return ++n_spans; + } + else + { + /* Yes but waste is too large */ + while (span.size - size_to_fill > max_waste) + { + span.size /= 2; + g_assert (span.size > 0); + } + } + } + + /* Can't get here */ + return 0; +} + +static void +_cogl_texture_2d_sliced_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + int i; + + /* Pass the set wrap mode on to all of the child textures */ + for (i = 0; i < tex_2ds->slice_textures->len; i++) + { + CoglTexture2D *slice_tex = g_array_index (tex_2ds->slice_textures, + CoglTexture2D *, + i); + + _cogl_texture_gl_flush_legacy_texobj_wrap_modes (COGL_TEXTURE (slice_tex), + wrap_mode_s, + wrap_mode_t, + wrap_mode_p); + } +} + +static void +free_spans (CoglTexture2DSliced *tex_2ds) +{ + if (tex_2ds->slice_x_spans != NULL) + { + g_array_free (tex_2ds->slice_x_spans, TRUE); + tex_2ds->slice_x_spans = NULL; + } + + if (tex_2ds->slice_y_spans != NULL) + { + g_array_free (tex_2ds->slice_y_spans, TRUE); + tex_2ds->slice_y_spans = NULL; + } +} + +static CoglBool +setup_spans (CoglContext *ctx, + CoglTexture2DSliced *tex_2ds, + int width, + int height, + int max_waste, + CoglPixelFormat internal_format, + CoglError **error) +{ + int max_width; + int max_height; + int n_x_slices; + int n_y_slices; + + int (*slices_for_size) (int, int, int, GArray*); + + /* Initialize size of largest slice according to supported features */ + if (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT)) + { + max_width = width; + max_height = height; + slices_for_size = _cogl_rect_slices_for_size; + } + else + { + max_width = _cogl_util_next_p2 (width); + max_height = _cogl_util_next_p2 (height); + slices_for_size = _cogl_pot_slices_for_size; + } + + /* Negative number means no slicing forced by the user */ + if (max_waste <= -1) + { + CoglSpan span; + + /* Check if size supported else bail out */ + if (!ctx->driver_vtable->texture_2d_can_create (ctx, + max_width, + max_height, + internal_format)) + { + _cogl_set_error (error, + COGL_TEXTURE_ERROR, + COGL_TEXTURE_ERROR_SIZE, + "Sliced texture size of %d x %d not possible " + "with max waste set to -1", + width, + height); + return FALSE; + } + + n_x_slices = 1; + n_y_slices = 1; + + /* Init span arrays */ + tex_2ds->slice_x_spans = g_array_sized_new (FALSE, FALSE, + sizeof (CoglSpan), + 1); + + tex_2ds->slice_y_spans = g_array_sized_new (FALSE, FALSE, + sizeof (CoglSpan), + 1); + + /* Add a single span for width and height */ + span.start = 0; + span.size = max_width; + span.waste = max_width - width; + g_array_append_val (tex_2ds->slice_x_spans, span); + + span.size = max_height; + span.waste = max_height - height; + g_array_append_val (tex_2ds->slice_y_spans, span); + } + else + { + /* Decrease the size of largest slice until supported by GL */ + while (!ctx->driver_vtable->texture_2d_can_create (ctx, + max_width, + max_height, + internal_format)) + { + /* Alternate between width and height */ + if (max_width > max_height) + max_width /= 2; + else + max_height /= 2; + + if (max_width == 0 || max_height == 0) + { + /* Maybe it would be ok to just g_warn_if_reached() for this + * codepath */ + _cogl_set_error (error, + COGL_TEXTURE_ERROR, + COGL_TEXTURE_ERROR_SIZE, + "No suitable slice geometry found"); + free_spans (tex_2ds); + return FALSE; + } + } + + /* Determine the slices required to cover the bitmap area */ + n_x_slices = slices_for_size (width, + max_width, max_waste, + NULL); + + n_y_slices = slices_for_size (height, + max_height, max_waste, + NULL); + + /* Init span arrays with reserved size */ + tex_2ds->slice_x_spans = g_array_sized_new (FALSE, FALSE, + sizeof (CoglSpan), + n_x_slices); + + tex_2ds->slice_y_spans = g_array_sized_new (FALSE, FALSE, + sizeof (CoglSpan), + n_y_slices); + + /* Fill span arrays with info */ + slices_for_size (width, + max_width, max_waste, + tex_2ds->slice_x_spans); + + slices_for_size (height, + max_height, max_waste, + tex_2ds->slice_y_spans); + } + + return TRUE; +} + +static void +free_slices (CoglTexture2DSliced *tex_2ds) +{ + if (tex_2ds->slice_textures != NULL) + { + int i; + + for (i = 0; i < tex_2ds->slice_textures->len; i++) + { + CoglTexture2D *slice_tex = + g_array_index (tex_2ds->slice_textures, CoglTexture2D *, i); + cogl_object_unref (slice_tex); + } + + g_array_free (tex_2ds->slice_textures, TRUE); + } + + free_spans (tex_2ds); +} + +static CoglBool +allocate_slices (CoglTexture2DSliced *tex_2ds, + int width, + int height, + int max_waste, + CoglPixelFormat internal_format, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2ds); + CoglContext *ctx = tex->context; + int n_x_slices; + int n_y_slices; + int n_slices; + int x, y; + CoglSpan *x_span; + CoglSpan *y_span; + + tex_2ds->internal_format = internal_format; + + if (!setup_spans (ctx, tex_2ds, + width, + height, + max_waste, + internal_format, + error)) + { + return FALSE; + } + + n_x_slices = tex_2ds->slice_x_spans->len; + n_y_slices = tex_2ds->slice_y_spans->len; + n_slices = n_x_slices * n_y_slices; + + tex_2ds->slice_textures = g_array_sized_new (FALSE, FALSE, + sizeof (CoglTexture2D *), + n_slices); + + /* Allocate each slice */ + for (y = 0; y < n_y_slices; ++y) + { + y_span = &g_array_index (tex_2ds->slice_y_spans, CoglSpan, y); + + for (x = 0; x < n_x_slices; ++x) + { + CoglTexture *slice; + + x_span = &g_array_index (tex_2ds->slice_x_spans, CoglSpan, x); + + COGL_NOTE (SLICING, "CREATE SLICE (%d,%d)\tsize (%d,%d)", + x, y, + (int)(x_span->size - x_span->waste), + (int)(y_span->size - y_span->waste)); + + slice = COGL_TEXTURE ( + cogl_texture_2d_new_with_size (ctx, + x_span->size, y_span->size)); + + _cogl_texture_copy_internal_format (tex, slice); + + g_array_append_val (tex_2ds->slice_textures, slice); + if (!cogl_texture_allocate (slice, error)) + { + free_slices (tex_2ds); + return FALSE; + } + } + } + + return TRUE; +} + +static void +_cogl_texture_2d_sliced_free (CoglTexture2DSliced *tex_2ds) +{ + free_slices (tex_2ds); + + /* Chain up */ + _cogl_texture_free (COGL_TEXTURE (tex_2ds)); +} + +static CoglTexture2DSliced * +_cogl_texture_2d_sliced_create_base (CoglContext *ctx, + int width, + int height, + int max_waste, + CoglPixelFormat internal_format, + CoglTextureLoader *loader) +{ + CoglTexture2DSliced *tex_2ds = g_new0 (CoglTexture2DSliced, 1); + + _cogl_texture_init (COGL_TEXTURE (tex_2ds), ctx, width, height, + internal_format, loader, + &cogl_texture_2d_sliced_vtable); + + tex_2ds->max_waste = max_waste; + + return _cogl_texture_2d_sliced_object_new (tex_2ds); +} + +CoglTexture2DSliced * +cogl_texture_2d_sliced_new_with_size (CoglContext *ctx, + int width, + int height, + int max_waste) +{ + CoglTextureLoader *loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_SIZED; + loader->src.sized.width = width; + loader->src.sized.height = height; + + return _cogl_texture_2d_sliced_create_base (ctx, + width, + height, + max_waste, + COGL_PIXEL_FORMAT_RGBA_8888_PRE, + loader); +} + +CoglTexture2DSliced * +_cogl_texture_2d_sliced_new_from_bitmap (CoglBitmap *bmp, + int max_waste, + CoglBool can_convert_in_place) +{ + CoglTextureLoader *loader; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_bitmap (bmp), NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_BITMAP; + loader->src.bitmap.bitmap = cogl_object_ref (bmp); + loader->src.bitmap.can_convert_in_place = can_convert_in_place; + + return _cogl_texture_2d_sliced_create_base (_cogl_bitmap_get_context (bmp), + cogl_bitmap_get_width (bmp), + cogl_bitmap_get_height (bmp), + max_waste, + cogl_bitmap_get_format (bmp), + loader); +} + +CoglTexture2DSliced * +cogl_texture_2d_sliced_new_from_bitmap (CoglBitmap *bmp, + int max_waste) +{ + return _cogl_texture_2d_sliced_new_from_bitmap (bmp, + max_waste, + FALSE); +} + +CoglTexture2DSliced * +_cogl_texture_2d_sliced_new_from_foreign (CoglContext *ctx, + unsigned int gl_handle, + unsigned int gl_target, + int width, + int height, + int x_pot_waste, + int y_pot_waste, + CoglPixelFormat format) +{ + CoglTextureLoader *loader; + + /* NOTE: width, height and internal format are not queriable + * in GLES, hence such a function prototype. + */ + + /* This should only be called when the texture target is 2D. If a + rectangle texture is used then _cogl_texture_new_from_foreign + will create a cogl_texture_rectangle instead */ + _COGL_RETURN_VAL_IF_FAIL (gl_target == GL_TEXTURE_2D, NULL); + + /* Assert it is a valid GL texture object */ + _COGL_RETURN_VAL_IF_FAIL (ctx->glIsTexture (gl_handle), FALSE); + + /* Validate width and height */ + _COGL_RETURN_VAL_IF_FAIL (width > 0 && height > 0, NULL); + + /* Validate pot waste */ + _COGL_RETURN_VAL_IF_FAIL (x_pot_waste >= 0 && x_pot_waste < width && + y_pot_waste >= 0 && y_pot_waste < height, + NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_GL_FOREIGN; + loader->src.gl_foreign.gl_handle = gl_handle; + loader->src.gl_foreign.width = width + x_pot_waste; + loader->src.gl_foreign.height = height + y_pot_waste; + loader->src.gl_foreign.format = format; + + return _cogl_texture_2d_sliced_create_base (ctx, + width, + height, + 0, /* max waste */ + format, loader); +} + +CoglTexture2DSliced * +cogl_texture_2d_sliced_new_from_data (CoglContext *ctx, + int width, + int height, + int max_waste, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + CoglError **error) +{ + CoglBitmap *bmp; + CoglTexture2DSliced *tex_2ds; + + _COGL_RETURN_VAL_IF_FAIL (format != COGL_PIXEL_FORMAT_ANY, NULL); + _COGL_RETURN_VAL_IF_FAIL (data != NULL, NULL); + + /* Rowstride from width if not given */ + if (rowstride == 0) + rowstride = width * _cogl_pixel_format_get_bytes_per_pixel (format); + + /* Wrap the data into a bitmap */ + bmp = cogl_bitmap_new_for_data (ctx, + width, height, + format, + rowstride, + (uint8_t *) data); + + tex_2ds = cogl_texture_2d_sliced_new_from_bitmap (bmp, max_waste); + + cogl_object_unref (bmp); + + if (tex_2ds && + !cogl_texture_allocate (COGL_TEXTURE (tex_2ds), error)) + { + cogl_object_unref (tex_2ds); + return NULL; + } + + return tex_2ds; +} + +CoglTexture2DSliced * +cogl_texture_2d_sliced_new_from_file (CoglContext *ctx, + const char *filename, + int max_waste, + CoglError **error) +{ + CoglBitmap *bmp; + CoglTexture2DSliced *tex_2ds = NULL; + + _COGL_RETURN_VAL_IF_FAIL (error == NULL || *error == NULL, NULL); + + bmp = _cogl_bitmap_from_file (ctx, filename, error); + if (bmp == NULL) + return NULL; + + tex_2ds = _cogl_texture_2d_sliced_new_from_bitmap (bmp, + max_waste, + TRUE); /* can convert in-place */ + + cogl_object_unref (bmp); + + return tex_2ds; +} + +static CoglBool +allocate_with_size (CoglTexture2DSliced *tex_2ds, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2ds); + CoglPixelFormat internal_format = + _cogl_texture_determine_internal_format (tex, COGL_PIXEL_FORMAT_ANY); + + if (allocate_slices (tex_2ds, + loader->src.sized.width, + loader->src.sized.height, + tex_2ds->max_waste, + internal_format, + error)) + { + _cogl_texture_set_allocated (COGL_TEXTURE (tex_2ds), + internal_format, + loader->src.sized.width, + loader->src.sized.height); + return TRUE; + } + else + return FALSE; +} + +static CoglBool +allocate_from_bitmap (CoglTexture2DSliced *tex_2ds, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2ds); + CoglBitmap *bmp = loader->src.bitmap.bitmap; + int width = cogl_bitmap_get_width (bmp); + int height = cogl_bitmap_get_height (bmp); + CoglBool can_convert_in_place = loader->src.bitmap.can_convert_in_place; + CoglPixelFormat internal_format; + CoglBitmap *upload_bmp; + + _COGL_RETURN_VAL_IF_FAIL (tex_2ds->slice_textures == NULL, FALSE); + + internal_format = + _cogl_texture_determine_internal_format (tex, + cogl_bitmap_get_format (bmp)); + + upload_bmp = _cogl_bitmap_convert_for_upload (bmp, + internal_format, + can_convert_in_place, + error); + if (upload_bmp == NULL) + return FALSE; + + if (!allocate_slices (tex_2ds, + width, + height, + tex_2ds->max_waste, + internal_format, + error)) + { + cogl_object_unref (upload_bmp); + return FALSE; + } + + if (!_cogl_texture_2d_sliced_upload_bitmap (tex_2ds, + upload_bmp, + error)) + { + free_slices (tex_2ds); + cogl_object_unref (upload_bmp); + return FALSE; + } + + cogl_object_unref (upload_bmp); + + _cogl_texture_set_allocated (tex, internal_format, width, height); + + return TRUE; +} + +static CoglBool +allocate_from_gl_foreign (CoglTexture2DSliced *tex_2ds, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2ds); + CoglContext *ctx = tex->context; + CoglPixelFormat format = loader->src.gl_foreign.format; + int gl_width = loader->src.gl_foreign.width; + int gl_height = loader->src.gl_foreign.height; + int x_pot_waste = gl_width - tex->width; + int y_pot_waste = gl_height - tex->height; + CoglSpan x_span; + CoglSpan y_span; + CoglTexture2D *tex_2d = + cogl_texture_2d_gl_new_from_foreign (ctx, + loader->src.gl_foreign.gl_handle, + gl_width, + gl_height, + format); + + if (!cogl_texture_allocate (COGL_TEXTURE (tex_2d), error)) + { + cogl_object_unref (tex_2d); + return FALSE; + } + + /* The texture 2d backend may use a different pixel format if it + queries the actual texture so we'll refetch the format it + actually used */ + format = _cogl_texture_get_format (tex); + + tex_2ds->internal_format = format; + + /* Create slice arrays */ + tex_2ds->slice_x_spans = + g_array_sized_new (FALSE, FALSE, sizeof (CoglSpan), 1); + + tex_2ds->slice_y_spans = + g_array_sized_new (FALSE, FALSE, sizeof (CoglSpan), 1); + + tex_2ds->slice_textures = + g_array_sized_new (FALSE, FALSE, sizeof (CoglTexture2D *), 1); + + /* Store info for a single slice */ + x_span.start = 0; + x_span.size = gl_width; + x_span.waste = x_pot_waste; + g_array_append_val (tex_2ds->slice_x_spans, x_span); + + y_span.start = 0; + y_span.size = gl_height; + y_span.waste = y_pot_waste; + g_array_append_val (tex_2ds->slice_y_spans, y_span); + + g_array_append_val (tex_2ds->slice_textures, tex_2d); + + _cogl_texture_set_allocated (tex, + format, + tex->width, + tex->height); + + return TRUE; +} + +static CoglBool +_cogl_texture_2d_sliced_allocate (CoglTexture *tex, + CoglError **error) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + CoglTextureLoader *loader = tex->loader; + + _COGL_RETURN_VAL_IF_FAIL (loader, FALSE); + + switch (loader->src_type) + { + case COGL_TEXTURE_SOURCE_TYPE_SIZED: + return allocate_with_size (tex_2ds, loader, error); + case COGL_TEXTURE_SOURCE_TYPE_BITMAP: + return allocate_from_bitmap (tex_2ds, loader, error); + case COGL_TEXTURE_SOURCE_TYPE_GL_FOREIGN: + return allocate_from_gl_foreign (tex_2ds, loader, error); + default: + break; + } + + g_return_val_if_reached (FALSE); +} + +static CoglBool +_cogl_texture_2d_sliced_is_foreign (CoglTexture *tex) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + CoglTexture2D *slice_tex; + + /* Make sure slices were created */ + if (tex_2ds->slice_textures == NULL) + return FALSE; + + /* Pass the call on to the first slice */ + slice_tex = g_array_index (tex_2ds->slice_textures, CoglTexture2D *, 0); + return _cogl_texture_is_foreign (COGL_TEXTURE (slice_tex)); +} + +static int +_cogl_texture_2d_sliced_get_max_waste (CoglTexture *tex) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + + return tex_2ds->max_waste; +} + +static CoglBool +_cogl_texture_2d_sliced_is_sliced (CoglTexture *tex) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + + /* It's only after allocating a sliced texture that we will know + * whether it really needed to be sliced... */ + if (!tex->allocated) + cogl_texture_allocate (tex, NULL); + + if (tex_2ds->slice_x_spans->len != 1 || + tex_2ds->slice_y_spans->len != 1) + return TRUE; + else + return FALSE; +} + +static CoglBool +_cogl_texture_2d_sliced_can_hardware_repeat (CoglTexture *tex) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + CoglTexture2D *slice_tex; + CoglSpan *x_span; + CoglSpan *y_span; + + /* If there's more than one texture then we can't hardware repeat */ + if (tex_2ds->slice_textures->len != 1) + return FALSE; + + /* If there's any waste then we can't hardware repeat */ + x_span = &g_array_index (tex_2ds->slice_x_spans, CoglSpan, 0); + y_span = &g_array_index (tex_2ds->slice_y_spans, CoglSpan, 0); + if (x_span->waste > 0 || y_span->waste > 0) + return FALSE; + + /* Otherwise pass the query on to the single slice texture */ + slice_tex = g_array_index (tex_2ds->slice_textures, CoglTexture2D *, 0); + return _cogl_texture_can_hardware_repeat (COGL_TEXTURE (slice_tex)); +} + +static void +_cogl_texture_2d_sliced_transform_coords_to_gl (CoglTexture *tex, + float *s, + float *t) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + CoglSpan *x_span; + CoglSpan *y_span; + CoglTexture2D *slice_tex; + + g_assert (!_cogl_texture_2d_sliced_is_sliced (tex)); + + /* Don't include the waste in the texture coordinates */ + x_span = &g_array_index (tex_2ds->slice_x_spans, CoglSpan, 0); + y_span = &g_array_index (tex_2ds->slice_y_spans, CoglSpan, 0); + + *s *= tex->width / (float)x_span->size; + *t *= tex->height / (float)y_span->size; + + /* Let the child texture further transform the coords */ + slice_tex = g_array_index (tex_2ds->slice_textures, CoglTexture2D *, 0); + _cogl_texture_transform_coords_to_gl (COGL_TEXTURE (slice_tex), s, t); +} + +static CoglTransformResult +_cogl_texture_2d_sliced_transform_quad_coords_to_gl (CoglTexture *tex, + float *coords) +{ + CoglBool need_repeat = FALSE; + int i; + + /* This is a bit lazy - in the case where the quad lies entirely + * within a single slice we could avoid the fallback. But that + * could likely lead to visual inconsistency if the fallback involves + * dropping layers, so this might be the right thing to do anyways. + */ + if (_cogl_texture_2d_sliced_is_sliced (tex)) + return COGL_TRANSFORM_SOFTWARE_REPEAT; + + for (i = 0; i < 4; i++) + if (coords[i] < 0.0f || coords[i] > 1.0f) + need_repeat = TRUE; + + if (need_repeat && !_cogl_texture_2d_sliced_can_hardware_repeat (tex)) + return COGL_TRANSFORM_SOFTWARE_REPEAT; + + _cogl_texture_2d_sliced_transform_coords_to_gl (tex, coords + 0, coords + 1); + _cogl_texture_2d_sliced_transform_coords_to_gl (tex, coords + 2, coords + 3); + + return (need_repeat + ? COGL_TRANSFORM_HARDWARE_REPEAT : COGL_TRANSFORM_NO_REPEAT); +} + +static CoglBool +_cogl_texture_2d_sliced_get_gl_texture (CoglTexture *tex, + GLuint *out_gl_handle, + GLenum *out_gl_target) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + CoglTexture2D *slice_tex; + + if (tex_2ds->slice_textures == NULL) + return FALSE; + + if (tex_2ds->slice_textures->len < 1) + return FALSE; + + slice_tex = g_array_index (tex_2ds->slice_textures, CoglTexture2D *, 0); + + return cogl_texture_get_gl_texture (COGL_TEXTURE (slice_tex), + out_gl_handle, out_gl_target); +} + +static void +_cogl_texture_2d_sliced_gl_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + CoglTexture2D *slice_tex; + int i; + + _COGL_RETURN_IF_FAIL (tex_2ds->slice_textures != NULL); + + /* Apply new filters to every slice. The slice texture itself should + cache the value and avoid resubmitting the same filter value to + GL */ + for (i = 0; i < tex_2ds->slice_textures->len; i++) + { + slice_tex = g_array_index (tex_2ds->slice_textures, CoglTexture2D *, i); + _cogl_texture_gl_flush_legacy_texobj_filters (COGL_TEXTURE (slice_tex), + min_filter, mag_filter); + } +} + +static void +_cogl_texture_2d_sliced_pre_paint (CoglTexture *tex, + CoglTexturePrePaintFlags flags) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + int i; + + _COGL_RETURN_IF_FAIL (tex_2ds->slice_textures != NULL); + + /* Pass the pre-paint on to every slice */ + for (i = 0; i < tex_2ds->slice_textures->len; i++) + { + CoglTexture2D *slice_tex = g_array_index (tex_2ds->slice_textures, + CoglTexture2D *, i); + _cogl_texture_pre_paint (COGL_TEXTURE (slice_tex), flags); + } +} + +static void +_cogl_texture_2d_sliced_ensure_non_quad_rendering (CoglTexture *tex) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + int i; + + _COGL_RETURN_IF_FAIL (tex_2ds->slice_textures != NULL); + + /* Pass the call on to every slice */ + for (i = 0; i < tex_2ds->slice_textures->len; i++) + { + CoglTexture2D *slice_tex = g_array_index (tex_2ds->slice_textures, + CoglTexture2D *, i); + _cogl_texture_ensure_non_quad_rendering (COGL_TEXTURE (slice_tex)); + } +} + +static CoglBool +_cogl_texture_2d_sliced_set_region (CoglTexture *tex, + int src_x, + int src_y, + int dst_x, + int dst_y, + int dst_width, + int dst_height, + int level, + CoglBitmap *bmp, + CoglError **error) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + CoglBitmap *upload_bmp; + CoglBool status; + + upload_bmp = _cogl_bitmap_convert_for_upload (bmp, + _cogl_texture_get_format (tex), + FALSE, /* can't convert in + place */ + error); + if (!upload_bmp) + return FALSE; + + status = _cogl_texture_2d_sliced_upload_subregion (tex_2ds, + src_x, src_y, + dst_x, dst_y, + dst_width, dst_height, + upload_bmp, + error); + cogl_object_unref (upload_bmp); + + return status; +} + +static CoglPixelFormat +_cogl_texture_2d_sliced_get_format (CoglTexture *tex) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + + return tex_2ds->internal_format; +} + +static GLenum +_cogl_texture_2d_sliced_get_gl_format (CoglTexture *tex) +{ + CoglTexture2DSliced *tex_2ds = COGL_TEXTURE_2D_SLICED (tex); + CoglTexture2D *slice_tex; + + /* Assert that we've allocated our slices at this point */ + cogl_texture_allocate (tex, NULL); /* (abort on error) */ + + /* Pass the call on to the first slice */ + slice_tex = g_array_index (tex_2ds->slice_textures, CoglTexture2D *, 0); + return _cogl_texture_gl_get_format (COGL_TEXTURE (slice_tex)); +} + +static CoglTextureType +_cogl_texture_2d_sliced_get_type (CoglTexture *tex) +{ + return COGL_TEXTURE_TYPE_2D; +} + +static const CoglTextureVtable +cogl_texture_2d_sliced_vtable = + { + FALSE, /* not primitive */ + _cogl_texture_2d_sliced_allocate, + _cogl_texture_2d_sliced_set_region, + NULL, /* get_data */ + _cogl_texture_2d_sliced_foreach_sub_texture_in_region, + _cogl_texture_2d_sliced_get_max_waste, + _cogl_texture_2d_sliced_is_sliced, + _cogl_texture_2d_sliced_can_hardware_repeat, + _cogl_texture_2d_sliced_transform_coords_to_gl, + _cogl_texture_2d_sliced_transform_quad_coords_to_gl, + _cogl_texture_2d_sliced_get_gl_texture, + _cogl_texture_2d_sliced_gl_flush_legacy_texobj_filters, + _cogl_texture_2d_sliced_pre_paint, + _cogl_texture_2d_sliced_ensure_non_quad_rendering, + _cogl_texture_2d_sliced_gl_flush_legacy_texobj_wrap_modes, + _cogl_texture_2d_sliced_get_format, + _cogl_texture_2d_sliced_get_gl_format, + _cogl_texture_2d_sliced_get_type, + _cogl_texture_2d_sliced_is_foreign, + NULL /* set_auto_mipmap */ + }; diff --git a/cogl/cogl-texture-2d-sliced.h b/cogl/cogl-texture-2d-sliced.h new file mode 100644 index 0000000..ec959a9 --- /dev/null +++ b/cogl/cogl-texture-2d-sliced.h @@ -0,0 +1,301 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_TEXURE_2D_SLICED_H +#define __COGL_TEXURE_2D_SLICED_H + +#include "cogl-context.h" +#include "cogl-types.h" + +/** + * SECTION:cogl-texture-2d-sliced + * @short_description: Functions for creating and manipulating 2D meta + * textures that may internally be comprised of + * multiple 2D textures with power-of-two sizes. + * + * These functions allow high-level meta textures (See the + * #CoglMetaTexture interface) to be allocated that may internally be + * comprised of multiple 2D texture "slices" with power-of-two sizes. + * + * This API can be useful when working with GPUs that don't have + * native support for non-power-of-two textures or if you want to load + * a texture that is larger than the GPUs maximum texture size limits. + * + * The algorithm for slicing works by first trying to map a virtual + * size to the next larger power-of-two size and then seeing how many + * wasted pixels that would result in. For example if you have a + * virtual texture that's 259 texels wide, the next pot size = 512 and + * the amount of waste would be 253 texels. If the amount of waste is + * above a max-waste threshold then we would next slice that texture + * into one that's 256 texels and then looking at how many more texels + * remain unallocated after that we choose the next power-of-two size. + * For the example of a 259 texel image that would mean having a 256 + * texel wide texture, leaving 3 texels unallocated so we'd then + * create a 4 texel wide texture - now there is only one texel of + * waste. The algorithm continues to slice the right most textures + * until the amount of waste is less than or equal to a specfied + * max-waste threshold. The same logic for slicing from left to right + * is also applied from top to bottom. + */ + +typedef struct _CoglTexture2DSliced CoglTexture2DSliced; +#define COGL_TEXTURE_2D_SLICED(X) ((CoglTexture2DSliced *)X) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_texture_2d_sliced_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_texture_2d_sliced_get_gtype (void); +#endif + +/** + * cogl_texture_2d_sliced_new_with_size: + * @ctx: A #CoglContext + * @width: The virtual width of your sliced texture. + * @height: The virtual height of your sliced texture. + * @max_waste: The threshold of how wide a strip of wasted texels + * are allowed along the right and bottom textures before + * they must be sliced to reduce the amount of waste. A + * negative can be passed to disable slicing. + * + * Creates a #CoglTexture2DSliced that may internally be comprised of + * 1 or more #CoglTexture2D textures depending on GPU limitations. + * For example if the GPU only supports power-of-two sized textures + * then a sliced texture will turn a non-power-of-two size into a + * combination of smaller power-of-two sized textures. If the + * requested texture size is larger than is supported by the hardware + * then the texture will be sliced into smaller textures that can be + * accessed by the hardware. + * + * @max_waste is used as a threshold for recursively slicing the + * right-most or bottom-most slices into smaller sizes until the + * wasted padding at the bottom and right of the textures is less than + * specified. A negative @max_waste will disable slicing. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or let Cogl automatically allocate + * storage lazily. + * + * It's possible for the allocation of a sliced texture to fail + * later due to impossible slicing constraints if a negative + * @max_waste value is given. If the given virtual texture size size + * is larger than is supported by the hardware but slicing is disabled + * the texture size would be too large to handle. + * + * Returns: (transfer full): A new #CoglTexture2DSliced object with no storage + * allocated yet. + * + * Since: 1.10 + * Stability: unstable + */ +CoglTexture2DSliced * +cogl_texture_2d_sliced_new_with_size (CoglContext *ctx, + int width, + int height, + int max_waste); + +/** + * cogl_texture_2d_sliced_new_from_file: + * @ctx: A #CoglContext + * @filename: the file to load + * @max_waste: The threshold of how wide a strip of wasted texels + * are allowed along the right and bottom textures before + * they must be sliced to reduce the amount of waste. A + * negative can be passed to disable slicing. + * @error: A #CoglError to catch exceptional errors or %NULL + * + * Creates a #CoglTexture2DSliced from an image file. + * + * A #CoglTexture2DSliced may internally be comprised of 1 or more + * #CoglTexture2D textures depending on GPU limitations. For example + * if the GPU only supports power-of-two sized textures then a sliced + * texture will turn a non-power-of-two size into a combination of + * smaller power-of-two sized textures. If the requested texture size + * is larger than is supported by the hardware then the texture will + * be sliced into smaller textures that can be accessed by the + * hardware. + * + * @max_waste is used as a threshold for recursively slicing the + * right-most or bottom-most slices into smaller sizes until the + * wasted padding at the bottom and right of the textures is less than + * specified. A negative @max_waste will disable slicing. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or let Cogl automatically allocate + * storage lazily. + * + * It's possible for the allocation of a sliced texture to fail + * later due to impossible slicing constraints if a negative + * @max_waste value is given. If the given virtual texture size is + * larger than is supported by the hardware but slicing is disabled + * the texture size would be too large to handle. + * + * Return value: (transfer full): A newly created #CoglTexture2DSliced + * or %NULL on failure and @error will be updated. + * + * Since: 1.16 + */ +CoglTexture2DSliced * +cogl_texture_2d_sliced_new_from_file (CoglContext *ctx, + const char *filename, + int max_waste, + CoglError **error); + +/** + * cogl_texture_2d_sliced_new_from_data: + * @ctx: A #CoglContext + * @width: width of texture in pixels + * @height: height of texture in pixels + * @format: the #CoglPixelFormat the buffer is stored in in RAM + * @max_waste: The threshold of how wide a strip of wasted texels + * are allowed along the right and bottom textures before + * they must be sliced to reduce the amount of waste. A + * negative can be passed to disable slicing. + * @rowstride: the memory offset in bytes between the start of each + * row in @data. A value of 0 will make Cogl automatically + * calculate @rowstride from @width and @format. + * @data: pointer the memory region where the source buffer resides + * @error: A #CoglError to catch exceptional errors or %NULL + * + * Creates a new #CoglTexture2DSliced texture based on data residing + * in memory. + * + * A #CoglTexture2DSliced may internally be comprised of 1 or more + * #CoglTexture2D textures depending on GPU limitations. For example + * if the GPU only supports power-of-two sized textures then a sliced + * texture will turn a non-power-of-two size into a combination of + * smaller power-of-two sized textures. If the requested texture size + * is larger than is supported by the hardware then the texture will + * be sliced into smaller textures that can be accessed by the + * hardware. + * + * @max_waste is used as a threshold for recursively slicing the + * right-most or bottom-most slices into smaller sizes until the + * wasted padding at the bottom and right of the textures is less than + * specified. A negative @max_waste will disable slicing. + * + * This api will always immediately allocate GPU memory for all + * the required texture slices and upload the given data so that the + * @data pointer does not need to remain valid once this function + * returns. This means it is not possible to configure the texture + * before it is allocated. If you do need to configure the texture + * before allocation (to specify constraints on the internal format + * for example) then you can instead create a #CoglBitmap for your + * data and use cogl_texture_2d_sliced_new_from_bitmap() or use + * cogl_texture_2d_sliced_new_with_size() and then upload data using + * cogl_texture_set_data() + * + * It's possible for the allocation of a sliced texture to fail + * due to impossible slicing constraints if a negative @max_waste + * value is given. If the given virtual texture size is larger than is + * supported by the hardware but slicing is disabled the texture size + * would be too large to handle. + * + * Return value: (transfer full): A newly created #CoglTexture2DSliced + * or %NULL on failure and @error will be updated. + * + * Since: 1.16 + */ +CoglTexture2DSliced * +cogl_texture_2d_sliced_new_from_data (CoglContext *ctx, + int width, + int height, + int max_waste, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + CoglError **error); + +/** + * cogl_texture_2d_sliced_new_from_bitmap: + * @bmp: A #CoglBitmap + * @max_waste: The threshold of how wide a strip of wasted texels + * are allowed along the right and bottom textures before + * they must be sliced to reduce the amount of waste. A + * negative can be passed to disable slicing. + * + * Creates a new #CoglTexture2DSliced texture based on data residing + * in a bitmap. + * + * A #CoglTexture2DSliced may internally be comprised of 1 or more + * #CoglTexture2D textures depending on GPU limitations. For example + * if the GPU only supports power-of-two sized textures then a sliced + * texture will turn a non-power-of-two size into a combination of + * smaller power-of-two sized textures. If the requested texture size + * is larger than is supported by the hardware then the texture will + * be sliced into smaller textures that can be accessed by the + * hardware. + * + * @max_waste is used as a threshold for recursively slicing the + * right-most or bottom-most slices into smaller sizes until the + * wasted padding at the bottom and right of the textures is less than + * specified. A negative @max_waste will disable slicing. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or let Cogl automatically allocate + * storage lazily. + * + * It's possible for the allocation of a sliced texture to fail + * later due to impossible slicing constraints if a negative + * @max_waste value is given. If the given virtual texture size is + * larger than is supported by the hardware but slicing is disabled + * the texture size would be too large to handle. + * + * Return value: (transfer full): A newly created #CoglTexture2DSliced + * or %NULL on failure and @error will be updated. + * + * Since: 1.16 + */ +CoglTexture2DSliced * +cogl_texture_2d_sliced_new_from_bitmap (CoglBitmap *bmp, + int max_waste); + +/** + * cogl_is_texture_2d_sliced: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a #CoglTexture2DSliced. + * + * Return value: %TRUE if the object references a #CoglTexture2DSliced + * and %FALSE otherwise. + * Since: 1.10 + * Stability: unstable + */ +CoglBool +cogl_is_texture_2d_sliced (void *object); + +#endif /* __COGL_TEXURE_2D_SLICED_H */ diff --git a/cogl/cogl-texture-2d.c b/cogl/cogl-texture-2d.c new file mode 100644 index 0000000..cc28cd9 --- /dev/null +++ b/cogl/cogl-texture-2d.c @@ -0,0 +1,695 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-private.h" +#include "cogl-util.h" +#include "cogl-texture-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-texture-2d-gl-private.h" +#include "cogl-texture-driver.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-journal-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-error-private.h" +#ifdef COGL_HAS_EGL_SUPPORT +#include "cogl-winsys-egl-private.h" +#endif +#include "cogl-gtype-private.h" + +#include +#include + +#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT +#include "cogl-wayland-server.h" +#endif + +static void _cogl_texture_2d_free (CoglTexture2D *tex_2d); + +COGL_TEXTURE_DEFINE (Texture2D, texture_2d); +COGL_GTYPE_DEFINE_CLASS (Texture2D, texture_2d, + COGL_GTYPE_IMPLEMENT_INTERFACE (texture)); + +static const CoglTextureVtable cogl_texture_2d_vtable; + +typedef struct _CoglTexture2DManualRepeatData +{ + CoglTexture2D *tex_2d; + CoglMetaTextureCallback callback; + void *user_data; +} CoglTexture2DManualRepeatData; + +static void +_cogl_texture_2d_free (CoglTexture2D *tex_2d) +{ + CoglContext *ctx = COGL_TEXTURE (tex_2d)->context; + + ctx->driver_vtable->texture_2d_free (tex_2d); + + /* Chain up */ + _cogl_texture_free (COGL_TEXTURE (tex_2d)); +} + +void +_cogl_texture_2d_set_auto_mipmap (CoglTexture *tex, + CoglBool value) +{ + CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex); + + tex_2d->auto_mipmap = value; +} + +CoglTexture2D * +_cogl_texture_2d_create_base (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format, + CoglTextureLoader *loader) +{ + CoglTexture2D *tex_2d = g_new (CoglTexture2D, 1); + CoglTexture *tex = COGL_TEXTURE (tex_2d); + + _cogl_texture_init (tex, ctx, width, height, internal_format, loader, + &cogl_texture_2d_vtable); + + tex_2d->mipmaps_dirty = TRUE; + tex_2d->auto_mipmap = TRUE; + + tex_2d->is_foreign = FALSE; + + ctx->driver_vtable->texture_2d_init (tex_2d); + + return _cogl_texture_2d_object_new (tex_2d); +} + +CoglTexture2D * +cogl_texture_2d_new_with_size (CoglContext *ctx, + int width, + int height) +{ + CoglTextureLoader *loader; + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_SIZED; + loader->src.sized.width = width; + loader->src.sized.height = height; + + return _cogl_texture_2d_create_base (ctx, width, height, + COGL_PIXEL_FORMAT_RGBA_8888_PRE, loader); +} + +static CoglBool +_cogl_texture_2d_allocate (CoglTexture *tex, + CoglError **error) +{ + CoglContext *ctx = tex->context; + + return ctx->driver_vtable->texture_2d_allocate (tex, error); +} + +CoglTexture2D * +_cogl_texture_2d_new_from_bitmap (CoglBitmap *bmp, + CoglBool can_convert_in_place) +{ + CoglTextureLoader *loader; + + _COGL_RETURN_VAL_IF_FAIL (bmp != NULL, NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_BITMAP; + loader->src.bitmap.bitmap = cogl_object_ref (bmp); + loader->src.bitmap.can_convert_in_place = can_convert_in_place; + + return _cogl_texture_2d_create_base (_cogl_bitmap_get_context (bmp), + cogl_bitmap_get_width (bmp), + cogl_bitmap_get_height (bmp), + cogl_bitmap_get_format (bmp), + loader); +} + +CoglTexture2D * +cogl_texture_2d_new_from_bitmap (CoglBitmap *bmp) +{ + return _cogl_texture_2d_new_from_bitmap (bmp, + FALSE); /* can't convert in place */ +} + +CoglTexture2D * +cogl_texture_2d_new_from_file (CoglContext *ctx, + const char *filename, + CoglError **error) +{ + CoglBitmap *bmp; + CoglTexture2D *tex_2d = NULL; + + _COGL_RETURN_VAL_IF_FAIL (error == NULL || *error == NULL, NULL); + + bmp = _cogl_bitmap_from_file (ctx, filename, error); + if (bmp == NULL) + return NULL; + + tex_2d = _cogl_texture_2d_new_from_bitmap (bmp, + TRUE); /* can convert in-place */ + + cogl_object_unref (bmp); + + return tex_2d; +} + +CoglTexture2D * +cogl_texture_2d_new_from_data (CoglContext *ctx, + int width, + int height, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + CoglError **error) +{ + CoglBitmap *bmp; + CoglTexture2D *tex_2d; + + _COGL_RETURN_VAL_IF_FAIL (format != COGL_PIXEL_FORMAT_ANY, NULL); + _COGL_RETURN_VAL_IF_FAIL (data != NULL, NULL); + + /* Rowstride from width if not given */ + if (rowstride == 0) + rowstride = width * _cogl_pixel_format_get_bytes_per_pixel (format); + + /* Wrap the data into a bitmap */ + bmp = cogl_bitmap_new_for_data (ctx, + width, height, + format, + rowstride, + (uint8_t *) data); + + tex_2d = cogl_texture_2d_new_from_bitmap (bmp); + + cogl_object_unref (bmp); + + if (tex_2d && + !cogl_texture_allocate (COGL_TEXTURE (tex_2d), error)) + { + cogl_object_unref (tex_2d); + return NULL; + } + + return tex_2d; +} + +#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base) +/* NB: The reason we require the width, height and format to be passed + * even though they may seem redundant is because GLES 1/2 don't + * provide a way to query these properties. */ +CoglTexture2D * +_cogl_egl_texture_2d_new_from_image (CoglContext *ctx, + int width, + int height, + CoglPixelFormat format, + EGLImageKHR image, + CoglError **error) +{ + CoglTextureLoader *loader; + CoglTexture2D *tex; + + _COGL_RETURN_VAL_IF_FAIL (_cogl_context_get_winsys (ctx)->constraints & + COGL_RENDERER_CONSTRAINT_USES_EGL, + NULL); + + _COGL_RETURN_VAL_IF_FAIL (_cogl_has_private_feature + (ctx, + COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE), + NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_EGL_IMAGE; + loader->src.egl_image.image = image; + loader->src.egl_image.width = width; + loader->src.egl_image.height = height; + loader->src.egl_image.format = format; + + tex = _cogl_texture_2d_create_base (ctx, width, height, format, loader); + + if (!cogl_texture_allocate (COGL_TEXTURE (tex), error)) + { + cogl_object_unref (tex); + return NULL; + } + + return tex; +} +#endif /* defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base) */ + +#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT +static void +shm_buffer_get_cogl_pixel_format (struct wl_shm_buffer *shm_buffer, + CoglPixelFormat *format_out, + CoglTextureComponents *components_out) +{ + CoglPixelFormat format; + CoglTextureComponents components = COGL_TEXTURE_COMPONENTS_RGBA; + + switch (wl_shm_buffer_get_format (shm_buffer)) + { +#if G_BYTE_ORDER == G_BIG_ENDIAN + case WL_SHM_FORMAT_ARGB8888: + format = COGL_PIXEL_FORMAT_ARGB_8888_PRE; + break; + case WL_SHM_FORMAT_XRGB8888: + format = COGL_PIXEL_FORMAT_ARGB_8888; + components = COGL_TEXTURE_COMPONENTS_RGB; + break; +#elif G_BYTE_ORDER == G_LITTLE_ENDIAN + case WL_SHM_FORMAT_ARGB8888: + format = COGL_PIXEL_FORMAT_BGRA_8888_PRE; + break; + case WL_SHM_FORMAT_XRGB8888: + format = COGL_PIXEL_FORMAT_BGRA_8888; + components = COGL_TEXTURE_COMPONENTS_RGB; + break; +#endif + default: + g_warn_if_reached (); + format = COGL_PIXEL_FORMAT_ARGB_8888; + } + + if (format_out) + *format_out = format; + if (components_out) + *components_out = components; +} + +CoglBool +cogl_wayland_texture_set_region_from_shm_buffer (CoglTexture *texture, + int src_x, + int src_y, + int width, + int height, + struct wl_shm_buffer * + shm_buffer, + int dst_x, + int dst_y, + int level, + CoglError **error) +{ + const uint8_t *data = wl_shm_buffer_get_data (shm_buffer); + int32_t stride = wl_shm_buffer_get_stride (shm_buffer); + CoglPixelFormat format; + int bpp; + + shm_buffer_get_cogl_pixel_format (shm_buffer, &format, NULL); + bpp = _cogl_pixel_format_get_bytes_per_pixel (format); + + return _cogl_texture_set_region (COGL_TEXTURE (texture), + width, height, + format, + stride, + data + src_x * bpp + src_y * stride, + dst_x, dst_y, + level, + error); +} + +CoglTexture2D * +cogl_wayland_texture_2d_new_from_buffer (CoglContext *ctx, + struct wl_resource *buffer, + CoglError **error) +{ + struct wl_shm_buffer *shm_buffer; + CoglTexture2D *tex = NULL; + + shm_buffer = wl_shm_buffer_get (buffer); + + if (shm_buffer) + { + int stride = wl_shm_buffer_get_stride (shm_buffer); + int width = wl_shm_buffer_get_width (shm_buffer); + int height = wl_shm_buffer_get_height (shm_buffer); + CoglPixelFormat format; + CoglTextureComponents components; + CoglBitmap *bmp; + + shm_buffer_get_cogl_pixel_format (shm_buffer, &format, &components); + + bmp = cogl_bitmap_new_for_data (ctx, + width, height, + format, + stride, + wl_shm_buffer_get_data (shm_buffer)); + + tex = cogl_texture_2d_new_from_bitmap (bmp); + + cogl_texture_set_components (COGL_TEXTURE (tex), components); + + cogl_object_unref (bmp); + + if (!cogl_texture_allocate (COGL_TEXTURE (tex), error)) + { + cogl_object_unref (tex); + return NULL; + } + else + return tex; + } + else + { + int format, width, height; + + if (_cogl_egl_query_wayland_buffer (ctx, + buffer, + EGL_TEXTURE_FORMAT, + &format) && + _cogl_egl_query_wayland_buffer (ctx, + buffer, + EGL_WIDTH, + &width) && + _cogl_egl_query_wayland_buffer (ctx, + buffer, + EGL_HEIGHT, + &height)) + { + EGLImageKHR image; + CoglPixelFormat internal_format; + + _COGL_RETURN_VAL_IF_FAIL (_cogl_context_get_winsys (ctx)->constraints & + COGL_RENDERER_CONSTRAINT_USES_EGL, + NULL); + + switch (format) + { + case EGL_TEXTURE_RGB: + internal_format = COGL_PIXEL_FORMAT_RGB_888; + break; + case EGL_TEXTURE_RGBA: + internal_format = COGL_PIXEL_FORMAT_RGBA_8888_PRE; + break; + default: + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Can't create texture from unknown " + "wayland buffer format %d\n", format); + return NULL; + } + + image = _cogl_egl_create_image (ctx, + EGL_WAYLAND_BUFFER_WL, + buffer, + NULL); + tex = _cogl_egl_texture_2d_new_from_image (ctx, + width, height, + internal_format, + image, + error); + _cogl_egl_destroy_image (ctx, image); + return tex; + } + } + + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Can't create texture from unknown " + "wayland buffer type\n"); + return NULL; +} +#endif /* COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT */ + +void +_cogl_texture_2d_externally_modified (CoglTexture *texture) +{ + if (!cogl_is_texture_2d (texture)) + return; + + COGL_TEXTURE_2D (texture)->mipmaps_dirty = TRUE; +} + +void +_cogl_texture_2d_copy_from_framebuffer (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglFramebuffer *src_fb, + int dst_x, + int dst_y, + int level) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2d); + CoglContext *ctx = tex->context; + + /* Assert that the storage for this texture has been allocated */ + cogl_texture_allocate (tex, NULL); /* (abort on error) */ + + ctx->driver_vtable->texture_2d_copy_from_framebuffer (tex_2d, + src_x, + src_y, + width, + height, + src_fb, + dst_x, + dst_y, + level); + + tex_2d->mipmaps_dirty = TRUE; +} + +static int +_cogl_texture_2d_get_max_waste (CoglTexture *tex) +{ + return -1; +} + +static CoglBool +_cogl_texture_2d_is_sliced (CoglTexture *tex) +{ + return FALSE; +} + +static CoglBool +_cogl_texture_2d_can_hardware_repeat (CoglTexture *tex) +{ + CoglContext *ctx = tex->context; + + if (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT) || + (_cogl_util_is_pot (tex->width) && + _cogl_util_is_pot (tex->height))) + return TRUE; + else + return FALSE; +} + +static void +_cogl_texture_2d_transform_coords_to_gl (CoglTexture *tex, + float *s, + float *t) +{ + /* The texture coordinates map directly so we don't need to do + anything */ +} + +static CoglTransformResult +_cogl_texture_2d_transform_quad_coords_to_gl (CoglTexture *tex, + float *coords) +{ + /* The texture coordinates map directly so we don't need to do + anything other than check for repeats */ + + int i; + + for (i = 0; i < 4; i++) + if (coords[i] < 0.0f || coords[i] > 1.0f) + { + /* Repeat is needed */ + return (_cogl_texture_2d_can_hardware_repeat (tex) ? + COGL_TRANSFORM_HARDWARE_REPEAT : + COGL_TRANSFORM_SOFTWARE_REPEAT); + } + + /* No repeat is needed */ + return COGL_TRANSFORM_NO_REPEAT; +} + +static CoglBool +_cogl_texture_2d_get_gl_texture (CoglTexture *tex, + GLuint *out_gl_handle, + GLenum *out_gl_target) +{ + CoglContext *ctx = tex->context; + CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex); + + if (ctx->driver_vtable->texture_2d_get_gl_handle) + { + GLuint handle; + + if (out_gl_target) + *out_gl_target = GL_TEXTURE_2D; + + handle = ctx->driver_vtable->texture_2d_get_gl_handle (tex_2d); + + if (out_gl_handle) + *out_gl_handle = handle; + + return handle ? TRUE : FALSE; + } + else + return FALSE; +} + +static void +_cogl_texture_2d_pre_paint (CoglTexture *tex, CoglTexturePrePaintFlags flags) +{ + CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex); + + /* Only update if the mipmaps are dirty */ + if ((flags & COGL_TEXTURE_NEEDS_MIPMAP) && + tex_2d->auto_mipmap && tex_2d->mipmaps_dirty) + { + CoglContext *ctx = tex->context; + + ctx->driver_vtable->texture_2d_generate_mipmap (tex_2d); + + tex_2d->mipmaps_dirty = FALSE; + } +} + +static void +_cogl_texture_2d_ensure_non_quad_rendering (CoglTexture *tex) +{ + /* Nothing needs to be done */ +} + +static CoglBool +_cogl_texture_2d_set_region (CoglTexture *tex, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height, + int level, + CoglBitmap *bmp, + CoglError **error) +{ + CoglContext *ctx = tex->context; + CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex); + + if (!ctx->driver_vtable->texture_2d_copy_from_bitmap (tex_2d, + src_x, + src_y, + width, + height, + bmp, + dst_x, + dst_y, + level, + error)) + { + return FALSE; + } + + tex_2d->mipmaps_dirty = TRUE; + + return TRUE; +} + +static CoglBool +_cogl_texture_2d_get_data (CoglTexture *tex, + CoglPixelFormat format, + int rowstride, + uint8_t *data) +{ + CoglContext *ctx = tex->context; + + if (ctx->driver_vtable->texture_2d_get_data) + { + CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex); + ctx->driver_vtable->texture_2d_get_data (tex_2d, format, rowstride, data); + return TRUE; + } + else + return FALSE; +} + +static CoglPixelFormat +_cogl_texture_2d_get_format (CoglTexture *tex) +{ + return COGL_TEXTURE_2D (tex)->internal_format; +} + +static GLenum +_cogl_texture_2d_get_gl_format (CoglTexture *tex) +{ + return COGL_TEXTURE_2D (tex)->gl_internal_format; +} + +static CoglBool +_cogl_texture_2d_is_foreign (CoglTexture *tex) +{ + return COGL_TEXTURE_2D (tex)->is_foreign; +} + +static CoglTextureType +_cogl_texture_2d_get_type (CoglTexture *tex) +{ + return COGL_TEXTURE_TYPE_2D; +} + +static const CoglTextureVtable +cogl_texture_2d_vtable = + { + TRUE, /* primitive */ + _cogl_texture_2d_allocate, + _cogl_texture_2d_set_region, + _cogl_texture_2d_get_data, + NULL, /* foreach_sub_texture_in_region */ + _cogl_texture_2d_get_max_waste, + _cogl_texture_2d_is_sliced, + _cogl_texture_2d_can_hardware_repeat, + _cogl_texture_2d_transform_coords_to_gl, + _cogl_texture_2d_transform_quad_coords_to_gl, + _cogl_texture_2d_get_gl_texture, + _cogl_texture_2d_gl_flush_legacy_texobj_filters, + _cogl_texture_2d_pre_paint, + _cogl_texture_2d_ensure_non_quad_rendering, + _cogl_texture_2d_gl_flush_legacy_texobj_wrap_modes, + _cogl_texture_2d_get_format, + _cogl_texture_2d_get_gl_format, + _cogl_texture_2d_get_type, + _cogl_texture_2d_is_foreign, + _cogl_texture_2d_set_auto_mipmap + }; diff --git a/cogl/cogl-texture-2d.h b/cogl/cogl-texture-2d.h new file mode 100644 index 0000000..c806ced --- /dev/null +++ b/cogl/cogl-texture-2d.h @@ -0,0 +1,234 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_TEXTURE_2D_H +#define __COGL_TEXTURE_2D_H + +#include "cogl-context.h" +#include "cogl-bitmap.h" + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-texture-2d + * @short_description: Functions for creating and manipulating 2D textures + * + * These functions allow low-level 2D textures to be allocated. These + * differ from sliced textures for example which may internally be + * made up of multiple 2D textures, or atlas textures where Cogl must + * internally modify user texture coordinates before they can be used + * by the GPU. + * + * You should be aware that many GPUs only support power of two sizes + * for #CoglTexture2D textures. You can check support for non power of + * two textures by checking for the %COGL_FEATURE_ID_TEXTURE_NPOT feature + * via cogl_has_feature(). + */ + +typedef struct _CoglTexture2D CoglTexture2D; +#define COGL_TEXTURE_2D(X) ((CoglTexture2D *)X) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_texture_2d_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_texture_2d_get_gtype (void); +#endif + +/** + * cogl_is_texture_2d: + * @object: A #CoglObject + * + * Gets whether the given object references an existing #CoglTexture2D + * object. + * + * Return value: %TRUE if the object references a #CoglTexture2D, + * %FALSE otherwise + */ +CoglBool +cogl_is_texture_2d (void *object); + +/** + * cogl_texture_2d_new_with_size: + * @ctx: A #CoglContext + * @width: Width of the texture to allocate + * @height: Height of the texture to allocate + * + * Creates a low-level #CoglTexture2D texture with a given @width and + * @height that your GPU can texture from directly. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or preferably let Cogl + * automatically allocate storage lazily when it may know more about + * how the texture is being used and can optimize how it is allocated. + * + * The texture is still configurable until it has been allocated so + * for example you can influence the internal format of the texture + * using cogl_texture_set_components() and + * cogl_texture_set_premultiplied(). + * + * Many GPUs only support power of two sizes for #CoglTexture2D + * textures. You can check support for non power of two textures by + * checking for the %COGL_FEATURE_ID_TEXTURE_NPOT feature via + * cogl_has_feature(). + * + * Returns: (transfer full): A new #CoglTexture2D object with no storage yet allocated. + * + * Since: 2.0 + */ +CoglTexture2D * +cogl_texture_2d_new_with_size (CoglContext *ctx, + int width, + int height); + +/** + * cogl_texture_2d_new_from_file: + * @ctx: A #CoglContext + * @filename: the file to load + * @error: A #CoglError to catch exceptional errors or %NULL + * + * Creates a low-level #CoglTexture2D texture from an image file. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or preferably let Cogl + * automatically allocate storage lazily when it may know more about + * how the texture is being used and can optimize how it is allocated. + * + * The texture is still configurable until it has been allocated so + * for example you can influence the internal format of the texture + * using cogl_texture_set_components() and + * cogl_texture_set_premultiplied(). + * + * Many GPUs only support power of two sizes for #CoglTexture2D + * textures. You can check support for non power of two textures by + * checking for the %COGL_FEATURE_ID_TEXTURE_NPOT feature via + * cogl_has_feature(). + * + * Return value: (transfer full): A newly created #CoglTexture2D or %NULL on failure + * and @error will be updated. + * + * Since: 1.16 + */ +CoglTexture2D * +cogl_texture_2d_new_from_file (CoglContext *ctx, + const char *filename, + CoglError **error); + +/** + * cogl_texture_2d_new_from_data: + * @ctx: A #CoglContext + * @width: width of texture in pixels + * @height: height of texture in pixels + * @format: the #CoglPixelFormat the buffer is stored in in RAM + * @rowstride: the memory offset in bytes between the starts of + * scanlines in @data. A value of 0 will make Cogl automatically + * calculate @rowstride from @width and @format. + * @data: pointer the memory region where the source buffer resides + * @error: A #CoglError for exceptions + * + * Creates a low-level #CoglTexture2D texture based on data residing + * in memory. + * + * This api will always immediately allocate GPU memory for the + * texture and upload the given data so that the @data pointer does + * not need to remain valid once this function returns. This means it + * is not possible to configure the texture before it is allocated. If + * you do need to configure the texture before allocation (to specify + * constraints on the internal format for example) then you can + * instead create a #CoglBitmap for your data and use + * cogl_texture_2d_new_from_bitmap() or use + * cogl_texture_2d_new_with_size() and then upload data using + * cogl_texture_set_data() + * + * Many GPUs only support power of two sizes for #CoglTexture2D + * textures. You can check support for non power of two textures by + * checking for the %COGL_FEATURE_ID_TEXTURE_NPOT feature via + * cogl_has_feature(). + * + * Returns: (transfer full): A newly allocated #CoglTexture2D, or if + * the size is not supported (because it is too large or a + * non-power-of-two size that the hardware doesn't support) + * it will return %NULL and set @error. + * + * Since: 2.0 + */ +CoglTexture2D * +cogl_texture_2d_new_from_data (CoglContext *ctx, + int width, + int height, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + CoglError **error); + +/** + * cogl_texture_2d_new_from_bitmap: + * @bitmap: A #CoglBitmap + * + * Creates a low-level #CoglTexture2D texture based on data residing + * in a #CoglBitmap. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or preferably let Cogl + * automatically allocate storage lazily when it may know more about + * how the texture is being used and can optimize how it is allocated. + * + * The texture is still configurable until it has been allocated so + * for example you can influence the internal format of the texture + * using cogl_texture_set_components() and + * cogl_texture_set_premultiplied(). + * + * Many GPUs only support power of two sizes for #CoglTexture2D + * textures. You can check support for non power of two textures by + * checking for the %COGL_FEATURE_ID_TEXTURE_NPOT feature via + * cogl_has_feature(). + * + * Returns: (transfer full): A newly allocated #CoglTexture2D + * + * Since: 2.0 + * Stability: unstable + */ +CoglTexture2D * +cogl_texture_2d_new_from_bitmap (CoglBitmap *bitmap); + +COGL_END_DECLS + +#endif /* __COGL_TEXTURE_2D_H */ diff --git a/cogl/cogl-texture-3d-private.h b/cogl/cogl-texture-3d-private.h new file mode 100644 index 0000000..b6e0066 --- /dev/null +++ b/cogl/cogl-texture-3d-private.h @@ -0,0 +1,66 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_TEXTURE_3D_PRIVATE_H +#define __COGL_TEXTURE_3D_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-3d.h" + +struct _CoglTexture3D +{ + CoglTexture _parent; + + /* The internal format of the texture represented as a + CoglPixelFormat */ + CoglPixelFormat internal_format; + int depth; + CoglBool auto_mipmap; + CoglBool mipmaps_dirty; + + /* TODO: factor out these OpenGL specific members into some form + * of driver private state. */ + + /* The internal format of the GL texture represented as a GL enum */ + GLenum gl_format; + /* The texture object number */ + GLuint gl_texture; + GLenum gl_legacy_texobj_min_filter; + GLenum gl_legacy_texobj_mag_filter; + GLint gl_legacy_texobj_wrap_mode_s; + GLint gl_legacy_texobj_wrap_mode_t; + GLint gl_legacy_texobj_wrap_mode_p; + CoglTexturePixel first_pixel; +}; + +#endif /* __COGL_TEXTURE_3D_PRIVATE_H */ diff --git a/cogl/cogl-texture-3d.c b/cogl/cogl-texture-3d.c new file mode 100644 index 0000000..8e2ff08 --- /dev/null +++ b/cogl/cogl-texture-3d.c @@ -0,0 +1,761 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-private.h" +#include "cogl-util.h" +#include "cogl-texture-private.h" +#include "cogl-texture-3d-private.h" +#include "cogl-texture-3d.h" +#include "cogl-texture-gl-private.h" +#include "cogl-texture-driver.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-journal-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-error-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-gtype-private.h" + +#include +#include + +/* These might not be defined on GLES */ +#ifndef GL_TEXTURE_3D +#define GL_TEXTURE_3D 0x806F +#endif +#ifndef GL_TEXTURE_WRAP_R +#define GL_TEXTURE_WRAP_R 0x8072 +#endif + +static void _cogl_texture_3d_free (CoglTexture3D *tex_3d); + +COGL_TEXTURE_DEFINE (Texture3D, texture_3d); +COGL_GTYPE_DEFINE_CLASS (Texture3D, texture_3d, + COGL_GTYPE_IMPLEMENT_INTERFACE (texture)); + +static const CoglTextureVtable cogl_texture_3d_vtable; + +static void +_cogl_texture_3d_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p) +{ + CoglTexture3D *tex_3d = COGL_TEXTURE_3D (tex); + CoglContext *ctx = tex->context; + + /* Only set the wrap mode if it's different from the current value + to avoid too many GL calls. */ + if (tex_3d->gl_legacy_texobj_wrap_mode_s != wrap_mode_s || + tex_3d->gl_legacy_texobj_wrap_mode_t != wrap_mode_t || + tex_3d->gl_legacy_texobj_wrap_mode_p != wrap_mode_p) + { + _cogl_bind_gl_texture_transient (GL_TEXTURE_3D, + tex_3d->gl_texture, + FALSE); + GE( ctx, glTexParameteri (GL_TEXTURE_3D, + GL_TEXTURE_WRAP_S, + wrap_mode_s) ); + GE( ctx, glTexParameteri (GL_TEXTURE_3D, + GL_TEXTURE_WRAP_T, + wrap_mode_t) ); + GE( ctx, glTexParameteri (GL_TEXTURE_3D, + GL_TEXTURE_WRAP_R, + wrap_mode_p) ); + + tex_3d->gl_legacy_texobj_wrap_mode_s = wrap_mode_s; + tex_3d->gl_legacy_texobj_wrap_mode_t = wrap_mode_t; + tex_3d->gl_legacy_texobj_wrap_mode_p = wrap_mode_p; + } +} + +static void +_cogl_texture_3d_free (CoglTexture3D *tex_3d) +{ + if (tex_3d->gl_texture) + _cogl_delete_gl_texture (tex_3d->gl_texture); + + /* Chain up */ + _cogl_texture_free (COGL_TEXTURE (tex_3d)); +} + +static void +_cogl_texture_3d_set_auto_mipmap (CoglTexture *tex, + CoglBool value) +{ + CoglTexture3D *tex_3d = COGL_TEXTURE_3D (tex); + + tex_3d->auto_mipmap = value; +} + +static CoglTexture3D * +_cogl_texture_3d_create_base (CoglContext *ctx, + int width, + int height, + int depth, + CoglPixelFormat internal_format, + CoglTextureLoader *loader) +{ + CoglTexture3D *tex_3d = g_new (CoglTexture3D, 1); + CoglTexture *tex = COGL_TEXTURE (tex_3d); + + _cogl_texture_init (tex, ctx, width, height, + internal_format, loader, &cogl_texture_3d_vtable); + + tex_3d->gl_texture = 0; + + tex_3d->depth = depth; + tex_3d->mipmaps_dirty = TRUE; + tex_3d->auto_mipmap = TRUE; + + /* We default to GL_LINEAR for both filters */ + tex_3d->gl_legacy_texobj_min_filter = GL_LINEAR; + tex_3d->gl_legacy_texobj_mag_filter = GL_LINEAR; + + /* Wrap mode not yet set */ + tex_3d->gl_legacy_texobj_wrap_mode_s = GL_FALSE; + tex_3d->gl_legacy_texobj_wrap_mode_t = GL_FALSE; + tex_3d->gl_legacy_texobj_wrap_mode_p = GL_FALSE; + + return _cogl_texture_3d_object_new (tex_3d); +} + +CoglTexture3D * +cogl_texture_3d_new_with_size (CoglContext *ctx, + int width, + int height, + int depth) +{ + CoglTextureLoader *loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_SIZED; + loader->src.sized.width = width; + loader->src.sized.height = height; + loader->src.sized.depth = depth; + + return _cogl_texture_3d_create_base (ctx, width, height, depth, + COGL_PIXEL_FORMAT_RGBA_8888_PRE, + loader); +} + +CoglTexture3D * +cogl_texture_3d_new_from_bitmap (CoglBitmap *bmp, + int height, + int depth) +{ + CoglTextureLoader *loader; + + _COGL_RETURN_VAL_IF_FAIL (bmp, NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_BITMAP; + loader->src.bitmap.bitmap = cogl_object_ref (bmp); + loader->src.bitmap.height = height; + loader->src.bitmap.depth = depth; + loader->src.bitmap.can_convert_in_place = FALSE; /* TODO add api for this */ + + return _cogl_texture_3d_create_base (_cogl_bitmap_get_context (bmp), + cogl_bitmap_get_width (bmp), + height, + depth, + cogl_bitmap_get_format (bmp), + loader); +} + +CoglTexture3D * +cogl_texture_3d_new_from_data (CoglContext *context, + int width, + int height, + int depth, + CoglPixelFormat format, + int rowstride, + int image_stride, + const uint8_t *data, + CoglError **error) +{ + CoglBitmap *bitmap; + CoglTexture3D *ret; + + _COGL_RETURN_VAL_IF_FAIL (data, NULL); + _COGL_RETURN_VAL_IF_FAIL (format != COGL_PIXEL_FORMAT_ANY, NULL); + + /* Rowstride from width if not given */ + if (rowstride == 0) + rowstride = width * _cogl_pixel_format_get_bytes_per_pixel (format); + /* Image stride from height and rowstride if not given */ + if (image_stride == 0) + image_stride = height * rowstride; + + if (image_stride < rowstride * height) + return NULL; + + /* GL doesn't support uploading when the image_stride isn't a + multiple of the rowstride. If this happens we'll just pack the + image into a new bitmap. The documentation for this function + recommends avoiding this situation. */ + if (image_stride % rowstride != 0) + { + uint8_t *bmp_data; + int bmp_rowstride; + int z, y; + + bitmap = _cogl_bitmap_new_with_malloc_buffer (context, + width, + depth * height, + format, + error); + if (!bitmap) + return NULL; + + bmp_data = _cogl_bitmap_map (bitmap, + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + error); + + if (bmp_data == NULL) + { + cogl_object_unref (bitmap); + return NULL; + } + + bmp_rowstride = cogl_bitmap_get_rowstride (bitmap); + + /* Copy all of the images in */ + for (z = 0; z < depth; z++) + for (y = 0; y < height; y++) + memcpy (bmp_data + (z * bmp_rowstride * height + + bmp_rowstride * y), + data + z * image_stride + rowstride * y, + bmp_rowstride); + + _cogl_bitmap_unmap (bitmap); + } + else + bitmap = cogl_bitmap_new_for_data (context, + width, + image_stride / rowstride * depth, + format, + rowstride, + (uint8_t *) data); + + ret = cogl_texture_3d_new_from_bitmap (bitmap, + height, + depth); + + cogl_object_unref (bitmap); + + if (ret && + !cogl_texture_allocate (COGL_TEXTURE (ret), error)) + { + cogl_object_unref (ret); + return NULL; + } + + return ret; +} + +static CoglBool +_cogl_texture_3d_can_create (CoglContext *ctx, + int width, + int height, + int depth, + CoglPixelFormat internal_format, + CoglError **error) +{ + GLenum gl_intformat; + GLenum gl_type; + + /* This should only happen on GLES */ + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_3D)) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "3D textures are not supported by the GPU"); + return FALSE; + } + + /* If NPOT textures aren't supported then the size must be a power + of two */ + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT) && + (!_cogl_util_is_pot (width) || + !_cogl_util_is_pot (height) || + !_cogl_util_is_pot (depth))) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "A non-power-of-two size was requested but this is not " + "supported by the GPU"); + return FALSE; + } + + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + &gl_intformat, + NULL, + &gl_type); + + /* Check that the driver can create a texture with that size */ + if (!ctx->texture_driver->size_supported_3d (ctx, + GL_TEXTURE_3D, + gl_intformat, + gl_type, + width, + height, + depth)) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "The requested dimensions are not supported by the GPU"); + return FALSE; + } + + return TRUE; +} + +static CoglBool +allocate_with_size (CoglTexture3D *tex_3d, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_3d); + CoglContext *ctx = tex->context; + CoglPixelFormat internal_format; + int width = loader->src.sized.width; + int height = loader->src.sized.height; + int depth = loader->src.sized.depth; + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + GLenum gl_error; + GLenum gl_texture; + + internal_format = + _cogl_texture_determine_internal_format (tex, COGL_PIXEL_FORMAT_ANY); + + if (!_cogl_texture_3d_can_create (ctx, + width, + height, + depth, + internal_format, + error)) + return FALSE; + + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + &gl_intformat, + &gl_format, + &gl_type); + + gl_texture = + ctx->texture_driver->gen (ctx, GL_TEXTURE_3D, internal_format); + _cogl_bind_gl_texture_transient (GL_TEXTURE_3D, + gl_texture, + FALSE); + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glTexImage3D (GL_TEXTURE_3D, 0, gl_intformat, + width, height, depth, + 0, gl_format, gl_type, NULL); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + { + GE( ctx, glDeleteTextures (1, &gl_texture) ); + return FALSE; + } + + tex_3d->gl_texture = gl_texture; + tex_3d->gl_format = gl_intformat; + + tex_3d->depth = depth; + + tex_3d->internal_format = internal_format; + + _cogl_texture_set_allocated (tex, internal_format, width, height); + + return TRUE; +} + +static CoglBool +allocate_from_bitmap (CoglTexture3D *tex_3d, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_3d); + CoglContext *ctx = tex->context; + CoglPixelFormat internal_format; + CoglBitmap *bmp = loader->src.bitmap.bitmap; + int bmp_width = cogl_bitmap_get_width (bmp); + int height = loader->src.bitmap.height; + int depth = loader->src.bitmap.depth; + CoglPixelFormat bmp_format = cogl_bitmap_get_format (bmp); + CoglBool can_convert_in_place = loader->src.bitmap.can_convert_in_place; + CoglBitmap *upload_bmp; + CoglPixelFormat upload_format; + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + + internal_format = _cogl_texture_determine_internal_format (tex, bmp_format); + + if (!_cogl_texture_3d_can_create (ctx, + bmp_width, height, depth, + internal_format, + error)) + return FALSE; + + upload_bmp = _cogl_bitmap_convert_for_upload (bmp, + internal_format, + can_convert_in_place, + error); + if (upload_bmp == NULL) + return FALSE; + + upload_format = cogl_bitmap_get_format (upload_bmp); + + ctx->driver_vtable->pixel_format_to_gl (ctx, + upload_format, + NULL, /* internal format */ + &gl_format, + &gl_type); + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + &gl_intformat, + NULL, + NULL); + + /* Keep a copy of the first pixel so that if glGenerateMipmap isn't + supported we can fallback to using GL_GENERATE_MIPMAP */ + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN)) + { + CoglError *ignore = NULL; + uint8_t *data = _cogl_bitmap_map (upload_bmp, + COGL_BUFFER_ACCESS_READ, 0, + &ignore); + + tex_3d->first_pixel.gl_format = gl_format; + tex_3d->first_pixel.gl_type = gl_type; + + if (data) + { + memcpy (tex_3d->first_pixel.data, data, + _cogl_pixel_format_get_bytes_per_pixel (upload_format)); + _cogl_bitmap_unmap (upload_bmp); + } + else + { + g_warning ("Failed to read first pixel of bitmap for " + "glGenerateMipmap fallback"); + cogl_error_free (ignore); + memset (tex_3d->first_pixel.data, 0, + _cogl_pixel_format_get_bytes_per_pixel (upload_format)); + } + } + + tex_3d->gl_texture = + ctx->texture_driver->gen (ctx, GL_TEXTURE_3D, internal_format); + + if (!ctx->texture_driver->upload_to_gl_3d (ctx, + GL_TEXTURE_3D, + tex_3d->gl_texture, + FALSE, /* is_foreign */ + height, + depth, + upload_bmp, + gl_intformat, + gl_format, + gl_type, + error)) + { + cogl_object_unref (upload_bmp); + return FALSE; + } + + tex_3d->gl_format = gl_intformat; + + cogl_object_unref (upload_bmp); + + tex_3d->depth = loader->src.bitmap.depth; + + tex_3d->internal_format = internal_format; + + _cogl_texture_set_allocated (tex, internal_format, + bmp_width, loader->src.bitmap.height); + + return TRUE; +} + +static CoglBool +_cogl_texture_3d_allocate (CoglTexture *tex, + CoglError **error) +{ + CoglTexture3D *tex_3d = COGL_TEXTURE_3D (tex); + CoglTextureLoader *loader = tex->loader; + + _COGL_RETURN_VAL_IF_FAIL (loader, FALSE); + + switch (loader->src_type) + { + case COGL_TEXTURE_SOURCE_TYPE_SIZED: + return allocate_with_size (tex_3d, loader, error); + case COGL_TEXTURE_SOURCE_TYPE_BITMAP: + return allocate_from_bitmap (tex_3d, loader, error); + default: + break; + } + + g_return_val_if_reached (FALSE); +} + +static int +_cogl_texture_3d_get_max_waste (CoglTexture *tex) +{ + return -1; +} + +static CoglBool +_cogl_texture_3d_is_sliced (CoglTexture *tex) +{ + return FALSE; +} + +static CoglBool +_cogl_texture_3d_can_hardware_repeat (CoglTexture *tex) +{ + return TRUE; +} + +static void +_cogl_texture_3d_transform_coords_to_gl (CoglTexture *tex, + float *s, + float *t) +{ + /* The texture coordinates map directly so we don't need to do + anything */ +} + +static CoglTransformResult +_cogl_texture_3d_transform_quad_coords_to_gl (CoglTexture *tex, + float *coords) +{ + /* The texture coordinates map directly so we don't need to do + anything other than check for repeats */ + + CoglBool need_repeat = FALSE; + int i; + + for (i = 0; i < 4; i++) + if (coords[i] < 0.0f || coords[i] > 1.0f) + need_repeat = TRUE; + + return (need_repeat ? COGL_TRANSFORM_HARDWARE_REPEAT + : COGL_TRANSFORM_NO_REPEAT); +} + +static CoglBool +_cogl_texture_3d_get_gl_texture (CoglTexture *tex, + GLuint *out_gl_handle, + GLenum *out_gl_target) +{ + CoglTexture3D *tex_3d = COGL_TEXTURE_3D (tex); + + if (out_gl_handle) + *out_gl_handle = tex_3d->gl_texture; + + if (out_gl_target) + *out_gl_target = GL_TEXTURE_3D; + + return TRUE; +} + +static void +_cogl_texture_3d_gl_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter) +{ + CoglTexture3D *tex_3d = COGL_TEXTURE_3D (tex); + CoglContext *ctx = tex->context; + + if (min_filter == tex_3d->gl_legacy_texobj_min_filter + && mag_filter == tex_3d->gl_legacy_texobj_mag_filter) + return; + + /* Store new values */ + tex_3d->gl_legacy_texobj_min_filter = min_filter; + tex_3d->gl_legacy_texobj_mag_filter = mag_filter; + + /* Apply new filters to the texture */ + _cogl_bind_gl_texture_transient (GL_TEXTURE_3D, + tex_3d->gl_texture, + FALSE); + GE( ctx, glTexParameteri (GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, mag_filter) ); + GE( ctx, glTexParameteri (GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, min_filter) ); +} + +static void +_cogl_texture_3d_pre_paint (CoglTexture *tex, CoglTexturePrePaintFlags flags) +{ + CoglTexture3D *tex_3d = COGL_TEXTURE_3D (tex); + CoglContext *ctx = tex->context; + + /* Only update if the mipmaps are dirty */ + if ((flags & COGL_TEXTURE_NEEDS_MIPMAP) && + tex_3d->auto_mipmap && tex_3d->mipmaps_dirty) + { + /* glGenerateMipmap is defined in the FBO extension. If it's not + available we'll fallback to temporarily enabling + GL_GENERATE_MIPMAP and reuploading the first pixel */ + if (cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN)) + _cogl_texture_gl_generate_mipmaps (tex); +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES) + else if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_FIXED)) + { + _cogl_bind_gl_texture_transient (GL_TEXTURE_3D, + tex_3d->gl_texture, + FALSE); + + GE( ctx, glTexParameteri (GL_TEXTURE_3D, + GL_GENERATE_MIPMAP, + GL_TRUE) ); + GE( ctx, glTexSubImage3D (GL_TEXTURE_3D, + 0, /* level */ + 0, /* xoffset */ + 0, /* yoffset */ + 0, /* zoffset */ + 1, /* width */ + 1, /* height */ + 1, /* depth */ + tex_3d->first_pixel.gl_format, + tex_3d->first_pixel.gl_type, + tex_3d->first_pixel.data) ); + GE( ctx, glTexParameteri (GL_TEXTURE_3D, + GL_GENERATE_MIPMAP, + GL_FALSE) ); + } +#endif + + tex_3d->mipmaps_dirty = FALSE; + } +} + +static void +_cogl_texture_3d_ensure_non_quad_rendering (CoglTexture *tex) +{ + /* Nothing needs to be done */ +} + +static CoglBool +_cogl_texture_3d_set_region (CoglTexture *tex, + int src_x, + int src_y, + int dst_x, + int dst_y, + int dst_width, + int dst_height, + int level, + CoglBitmap *bmp, + CoglError **error) +{ + /* This function doesn't really make sense for 3D textures because + it can't specify which image to upload to */ + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Setting a 2D region on a 3D texture isn't " + "currently supported"); + + return FALSE; +} + +static int +_cogl_texture_3d_get_data (CoglTexture *tex, + CoglPixelFormat format, + int rowstride, + uint8_t *data) +{ + /* FIXME: we could probably implement this by assuming the data is + big enough to hold all of the images and that there is no stride + between the images. However it would be better to have an API + that can provide an image stride and this function probably isn't + particularly useful anyway so for now it just reports failure */ + return 0; +} + +static CoglPixelFormat +_cogl_texture_3d_get_format (CoglTexture *tex) +{ + return COGL_TEXTURE_3D (tex)->internal_format; +} + +static GLenum +_cogl_texture_3d_get_gl_format (CoglTexture *tex) +{ + return COGL_TEXTURE_3D (tex)->gl_format; +} + +static CoglTextureType +_cogl_texture_3d_get_type (CoglTexture *tex) +{ + return COGL_TEXTURE_TYPE_3D; +} + +static const CoglTextureVtable +cogl_texture_3d_vtable = + { + TRUE, /* primitive */ + _cogl_texture_3d_allocate, + _cogl_texture_3d_set_region, + _cogl_texture_3d_get_data, + NULL, /* foreach_sub_texture_in_region */ + _cogl_texture_3d_get_max_waste, + _cogl_texture_3d_is_sliced, + _cogl_texture_3d_can_hardware_repeat, + _cogl_texture_3d_transform_coords_to_gl, + _cogl_texture_3d_transform_quad_coords_to_gl, + _cogl_texture_3d_get_gl_texture, + _cogl_texture_3d_gl_flush_legacy_texobj_filters, + _cogl_texture_3d_pre_paint, + _cogl_texture_3d_ensure_non_quad_rendering, + _cogl_texture_3d_gl_flush_legacy_texobj_wrap_modes, + _cogl_texture_3d_get_format, + _cogl_texture_3d_get_gl_format, + _cogl_texture_3d_get_type, + NULL, /* is_foreign */ + _cogl_texture_3d_set_auto_mipmap + }; diff --git a/cogl/cogl-texture-3d.h b/cogl/cogl-texture-3d.h new file mode 100644 index 0000000..b3b038a --- /dev/null +++ b/cogl/cogl-texture-3d.h @@ -0,0 +1,204 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Neil Roberts + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_TEXTURE_3D_H +#define __COGL_TEXTURE_3D_H + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-texture-3d + * @short_description: Functions for creating and manipulating 3D textures + * + * These functions allow 3D textures to be used. 3D textures can be + * thought of as layers of 2D images arranged into a cuboid + * shape. When choosing a texel from the texture, Cogl will take into + * account the 'r' texture coordinate to select one of the images. + */ + +typedef struct _CoglTexture3D CoglTexture3D; + +#define COGL_TEXTURE_3D(X) ((CoglTexture3D *)X) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_texture_3d_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_texture_3d_get_gtype (void); +#endif + +/** + * cogl_texture_3d_new_with_size: + * @context: a #CoglContext + * @width: width of the texture in pixels. + * @height: height of the texture in pixels. + * @depth: depth of the texture in pixels. + * + * Creates a low-level #CoglTexture3D texture with the specified + * dimensions and pixel format. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or preferably let Cogl + * automatically allocate storage lazily when it may know more about + * how the texture is going to be used and can optimize how it is + * allocated. + * + * The texture is still configurable until it has been allocated so + * for example you can influence the internal format of the texture + * using cogl_texture_set_components() and + * cogl_texture_set_premultiplied(). + * + * This texture will fail to allocate later if + * %COGL_FEATURE_ID_TEXTURE_3D is not advertised. Allocation can also + * fail if the requested dimensions are not supported by the + * GPU. + * + * Returns: (transfer full): A new #CoglTexture3D object with no storage yet allocated. + * Since: 1.10 + * Stability: Unstable + */ +CoglTexture3D * +cogl_texture_3d_new_with_size (CoglContext *context, + int width, + int height, + int depth); + +/** + * cogl_texture_3d_new_from_data: + * @context: a #CoglContext + * @width: width of the texture in pixels. + * @height: height of the texture in pixels. + * @depth: depth of the texture in pixels. + * @format: the #CoglPixelFormat the buffer is stored in in RAM + * @rowstride: the memory offset in bytes between the starts of + * scanlines in @data or 0 to infer it from the width and format + * @image_stride: the number of bytes from one image to the next. This + * can be used to add padding between the images in a similar way + * that the rowstride can be used to add padding between + * rows. Alternatively 0 can be passed to infer the @image_stride + * from the @height. + * @data: pointer the memory region where the source buffer resides + * @error: A CoglError return location. + * + * Creates a low-level 3D texture and initializes it with @data. The + * data is assumed to be packed array of @depth images. There can be + * padding between the images using @image_stride. + * + * This api will always immediately allocate GPU memory for the + * texture and upload the given data so that the @data pointer does + * not need to remain valid once this function returns. This means it + * is not possible to configure the texture before it is allocated. If + * you do need to configure the texture before allocation (to specify + * constraints on the internal format for example) then you can + * instead create a #CoglBitmap for your data and use + * cogl_texture_3d_new_from_bitmap(). + * + * Return value: (transfer full): the newly created #CoglTexture3D or + * %NULL if there was an error and an exception will be + * returned through @error. + * Since: 1.10 + * Stability: Unstable + */ +CoglTexture3D * +cogl_texture_3d_new_from_data (CoglContext *context, + int width, + int height, + int depth, + CoglPixelFormat format, + int rowstride, + int image_stride, + const uint8_t *data, + CoglError **error); + +/** + * cogl_texture_3d_new_from_bitmap: + * @bitmap: A #CoglBitmap object. + * @height: height of the texture in pixels. + * @depth: depth of the texture in pixels. + * + * Creates a low-level 3D texture and initializes it with the images + * in @bitmap. The images are assumed to be packed together after one + * another in the increasing y axis. The height of individual image is + * given as @height and the number of images is given in @depth. The + * actual height of the bitmap can be larger than @height × @depth. In + * this case it assumes there is padding between the images. + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or preferably let Cogl + * automatically allocate storage lazily when it may know more about + * how the texture is going to be used and can optimize how it is + * allocated. + * + * The texture is still configurable until it has been allocated so + * for example you can influence the internal format of the texture + * using cogl_texture_set_components() and + * cogl_texture_set_premultiplied(). + * + * This texture will fail to allocate later if + * %COGL_FEATURE_ID_TEXTURE_3D is not advertised. Allocation can also + * fail if the requested dimensions are not supported by the + * GPU. + * + * Return value: (transfer full): a newly created #CoglTexture3D + * Since: 2.0 + * Stability: unstable + */ +CoglTexture3D * +cogl_texture_3d_new_from_bitmap (CoglBitmap *bitmap, + int height, + int depth); + +/** + * cogl_is_texture_3d: + * @object: a #CoglObject + * + * Checks whether the given object references a #CoglTexture3D + * + * Return value: %TRUE if the passed object represents a 3D texture + * and %FALSE otherwise + * + * Since: 1.4 + * Stability: Unstable + */ +CoglBool +cogl_is_texture_3d (void *object); + +COGL_END_DECLS + +#endif /* __COGL_TEXTURE_3D_H */ diff --git a/cogl/cogl-texture-driver.h b/cogl/cogl-texture-driver.h new file mode 100644 index 0000000..3ab86ed --- /dev/null +++ b/cogl/cogl-texture-driver.h @@ -0,0 +1,206 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_TEXTURE_DRIVER_H +#define __COGL_TEXTURE_DRIVER_H + +typedef struct _CoglTextureDriver CoglTextureDriver; + +struct _CoglTextureDriver +{ + /* + * A very small wrapper around glGenTextures() that ensures we default to + * non-mipmap filters when creating textures. This is to save some memory as + * the driver will not allocate room for the mipmap tree. + */ + GLuint + (* gen) (CoglContext *ctx, + GLenum gl_target, + CoglPixelFormat internal_format); + + /* + * This sets up the glPixelStore state for an upload to a destination with + * the same size, and with no offset. + */ + /* NB: GLES can't upload a sub region of pixel data from a larger source + * buffer which is why this interface is limited. The GL driver has a more + * flexible version of this function that is uses internally */ + void + (* prep_gl_for_pixels_upload) (CoglContext *ctx, + int pixels_rowstride, + int pixels_bpp); + + /* + * This uploads a sub-region from source_bmp to a single GL texture + * handle (i.e a single CoglTexture slice) + * + * It also updates the array of tex->first_pixels[slice_index] if + * dst_{x,y} == 0 + * + * The driver abstraction is in place because GLES doesn't support the pixel + * store options required to source from a subregion, so for GLES we have + * to manually create a transient source bitmap. + * + * XXX: sorry for the ridiculous number of arguments :-( + */ + CoglBool + (* upload_subregion_to_gl) (CoglContext *ctx, + CoglTexture *texture, + CoglBool is_foreign, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height, + int level, + CoglBitmap *source_bmp, + GLuint source_gl_format, + GLuint source_gl_type, + CoglError **error); + + /* + * Replaces the contents of the GL texture with the entire bitmap. On + * GL this just directly calls glTexImage2D, but under GLES it needs + * to copy the bitmap if the rowstride is not a multiple of a possible + * alignment value because there is no GL_UNPACK_ROW_LENGTH + */ + CoglBool + (* upload_to_gl) (CoglContext *ctx, + GLenum gl_target, + GLuint gl_handle, + CoglBool is_foreign, + CoglBitmap *source_bmp, + GLint internal_gl_format, + GLuint source_gl_format, + GLuint source_gl_type, + CoglError **error); + + /* + * Replaces the contents of the GL texture with the entire bitmap. The + * width of the texture is inferred from the bitmap. The height and + * depth of the texture is given directly. The 'image_height' (which + * is the number of rows between images) is inferred by dividing the + * height of the bitmap by the depth. + */ + CoglBool + (* upload_to_gl_3d) (CoglContext *ctx, + GLenum gl_target, + GLuint gl_handle, + CoglBool is_foreign, + GLint height, + GLint depth, + CoglBitmap *source_bmp, + GLint internal_gl_format, + GLuint source_gl_format, + GLuint source_gl_type, + CoglError **error); + + /* + * This sets up the glPixelStore state for an download to a destination with + * the same size, and with no offset. + */ + /* NB: GLES can't download pixel data into a sub region of a larger + * destination buffer, the GL driver has a more flexible version of + * this function that it uses internally. */ + void + (* prep_gl_for_pixels_download) (CoglContext *ctx, + int image_width, + int pixels_rowstride, + int pixels_bpp); + + /* + * This driver abstraction is needed because GLES doesn't support + * glGetTexImage (). On GLES this currently just returns FALSE which + * will lead to a generic fallback path being used that simply + * renders the texture and reads it back from the framebuffer. (See + * _cogl_texture_draw_and_read () ) + */ + CoglBool + (* gl_get_tex_image) (CoglContext *ctx, + GLenum gl_target, + GLenum dest_gl_format, + GLenum dest_gl_type, + uint8_t *dest); + + /* + * It may depend on the driver as to what texture sizes are supported... + */ + CoglBool + (* size_supported) (CoglContext *ctx, + GLenum gl_target, + GLenum gl_intformat, + GLenum gl_format, + GLenum gl_type, + int width, + int height); + + CoglBool + (* size_supported_3d) (CoglContext *ctx, + GLenum gl_target, + GLenum gl_format, + GLenum gl_type, + int width, + int height, + int depth); + + /* + * This driver abstraction is needed because GLES doesn't support setting + * a texture border color. + */ + void + (* try_setting_gl_border_color) (CoglContext *ctx, + GLuint gl_target, + const GLfloat *transparent_color); + + /* + * It may depend on the driver as to what texture targets may be used when + * creating a foreign texture. E.g. OpenGL supports ARB_texture_rectangle + * but GLES doesn't + */ + CoglBool + (* allows_foreign_gl_target) (CoglContext *ctx, + GLenum gl_target); + + /* + * The driver may impose constraints on what formats can be used to store + * texture data read from textures. For example GLES currently only supports + * RGBA_8888, and so we need to manually convert the data if the final + * destination has another format. + */ + CoglPixelFormat + (* find_best_gl_get_data_format) (CoglContext *context, + CoglPixelFormat format, + GLenum *closest_gl_format, + GLenum *closest_gl_type); +}; + +#endif /* __COGL_TEXTURE_DRIVER_H */ + diff --git a/cogl/cogl-texture-private.h b/cogl/cogl-texture-private.h new file mode 100644 index 0000000..472c41d --- /dev/null +++ b/cogl/cogl-texture-private.h @@ -0,0 +1,409 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_TEXTURE_PRIVATE_H +#define __COGL_TEXTURE_PRIVATE_H + +#include "cogl-bitmap-private.h" +#include "cogl-object-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-spans.h" +#include "cogl-meta-texture.h" +#include "cogl-framebuffer.h" + +#ifdef COGL_HAS_EGL_SUPPORT +#include "cogl-egl-defines.h" +#endif + +typedef struct _CoglTextureVtable CoglTextureVtable; + +/* Encodes three possibiloities result of transforming a quad */ +typedef enum { + /* quad doesn't cross the boundaries of a texture */ + COGL_TRANSFORM_NO_REPEAT, + /* quad crosses boundaries, hardware wrap mode can handle */ + COGL_TRANSFORM_HARDWARE_REPEAT, + /* quad crosses boundaries, needs software fallback; + * for a sliced texture, this might not actually involve + * repeating, just a quad crossing multiple slices */ + COGL_TRANSFORM_SOFTWARE_REPEAT, +} CoglTransformResult; + +/* Flags given to the pre_paint method */ +typedef enum { + /* The texture is going to be used with filters that require + mipmapping. This gives the texture the opportunity to + automatically update the mipmap tree */ + COGL_TEXTURE_NEEDS_MIPMAP = 1 +} CoglTexturePrePaintFlags; + +struct _CoglTextureVtable +{ + /* Virtual functions that must be implemented for a texture + backend */ + + CoglBool is_primitive; + + CoglBool (* allocate) (CoglTexture *tex, + CoglError **error); + + /* This should update the specified sub region of the texture with a + sub region of the given bitmap. The bitmap is not converted + before being set so the caller is expected to have called + _cogl_bitmap_convert_for_upload with a suitable internal_format + before passing here */ + CoglBool (* set_region) (CoglTexture *tex, + int src_x, + int src_y, + int dst_x, + int dst_y, + int dst_width, + int dst_height, + int level, + CoglBitmap *bitmap, + CoglError **error); + + /* This should copy the image data of the texture into @data. The + requested format will have been first passed through + ctx->texture_driver->find_best_gl_get_data_format so it should + always be a format that is valid for GL (ie, no conversion should + be necessary). */ + CoglBool (* get_data) (CoglTexture *tex, + CoglPixelFormat format, + int rowstride, + uint8_t *data); + + void (* foreach_sub_texture_in_region) (CoglTexture *tex, + float virtual_tx_1, + float virtual_ty_1, + float virtual_tx_2, + float virtual_ty_2, + CoglMetaTextureCallback callback, + void *user_data); + + int (* get_max_waste) (CoglTexture *tex); + + CoglBool (* is_sliced) (CoglTexture *tex); + + CoglBool (* can_hardware_repeat) (CoglTexture *tex); + + void (* transform_coords_to_gl) (CoglTexture *tex, + float *s, + float *t); + CoglTransformResult (* transform_quad_coords_to_gl) (CoglTexture *tex, + float *coords); + + CoglBool (* get_gl_texture) (CoglTexture *tex, + GLuint *out_gl_handle, + GLenum *out_gl_target); + + /* OpenGL driver specific virtual function */ + void (* gl_flush_legacy_texobj_filters) (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter); + + void (* pre_paint) (CoglTexture *tex, CoglTexturePrePaintFlags flags); + void (* ensure_non_quad_rendering) (CoglTexture *tex); + + /* OpenGL driver specific virtual function */ + void (* gl_flush_legacy_texobj_wrap_modes) (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p); + + CoglPixelFormat (* get_format) (CoglTexture *tex); + GLenum (* get_gl_format) (CoglTexture *tex); + + CoglTextureType (* get_type) (CoglTexture *tex); + + CoglBool (* is_foreign) (CoglTexture *tex); + + /* Only needs to be implemented if is_primitive == TRUE */ + void (* set_auto_mipmap) (CoglTexture *texture, + CoglBool value); +}; + +typedef enum _CoglTextureSoureType { + COGL_TEXTURE_SOURCE_TYPE_SIZED = 1, + COGL_TEXTURE_SOURCE_TYPE_BITMAP, + COGL_TEXTURE_SOURCE_TYPE_EGL_IMAGE, + COGL_TEXTURE_SOURCE_TYPE_GL_FOREIGN +} CoglTextureSourceType; + +typedef struct _CoglTextureLoader +{ + CoglTextureSourceType src_type; + union { + struct { + int width; + int height; + int depth; /* for 3d textures */ + } sized; + struct { + CoglBitmap *bitmap; + int height; /* for 3d textures */ + int depth; /* for 3d textures */ + CoglBool can_convert_in_place; + } bitmap; +#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base) + struct { + EGLImageKHR image; + int width; + int height; + CoglPixelFormat format; + } egl_image; +#endif + struct { + int width; + int height; + unsigned int gl_handle; + CoglPixelFormat format; + } gl_foreign; + } src; +} CoglTextureLoader; + +struct _CoglTexture +{ + CoglObject _parent; + CoglContext *context; + CoglTextureLoader *loader; + GList *framebuffers; + int max_level; + int width; + int height; + CoglBool allocated; + + /* + * Internal format + */ + CoglTextureComponents components; + unsigned int premultiplied:1; + + const CoglTextureVtable *vtable; +}; + +typedef enum _CoglTextureChangeFlags +{ + /* Whenever the internals of a texture are changed such that the + * underlying GL textures that represent the CoglTexture change then + * we notify cogl-material.c via + * _cogl_pipeline_texture_pre_change_notify + */ + COGL_TEXTURE_CHANGE_GL_TEXTURES + +} CoglTextureChangeFlags; + +typedef struct _CoglTexturePixel CoglTexturePixel; + +/* This is used by the texture backends to store the first pixel of + each GL texture. This is only used when glGenerateMipmap is not + available so that we can temporarily set GL_GENERATE_MIPMAP and + reupload a pixel */ +struct _CoglTexturePixel +{ + /* We need to store the format of the pixel because we store the + data in the source format which might end up being different for + each slice if a subregion is updated with a different format */ + GLenum gl_format; + GLenum gl_type; + uint8_t data[4]; +}; + +void +_cogl_texture_init (CoglTexture *texture, + CoglContext *ctx, + int width, + int height, + CoglPixelFormat src_format, + CoglTextureLoader *loader, + const CoglTextureVtable *vtable); + +void +_cogl_texture_free (CoglTexture *texture); + +/* This is used to register a type to the list of handle types that + will be considered a texture in cogl_is_texture() */ +void +_cogl_texture_register_texture_type (const CoglObjectClass *klass); + +#define COGL_TEXTURE_DEFINE(TypeName, type_name) \ + COGL_OBJECT_DEFINE_WITH_CODE_GTYPE \ + (TypeName, type_name, \ + _cogl_texture_register_texture_type (&_cogl_##type_name##_class)) + +#define COGL_TEXTURE_INTERNAL_DEFINE(TypeName, type_name) \ + COGL_OBJECT_INTERNAL_DEFINE_WITH_CODE \ + (TypeName, type_name, \ + _cogl_texture_register_texture_type (&_cogl_##type_name##_class)) + +CoglBool +_cogl_texture_can_hardware_repeat (CoglTexture *texture); + +void +_cogl_texture_transform_coords_to_gl (CoglTexture *texture, + float *s, + float *t); +CoglTransformResult +_cogl_texture_transform_quad_coords_to_gl (CoglTexture *texture, + float *coords); + +void +_cogl_texture_pre_paint (CoglTexture *texture, CoglTexturePrePaintFlags flags); + +void +_cogl_texture_ensure_non_quad_rendering (CoglTexture *texture); + +/* + * This determines a CoglPixelFormat according to texture::components + * and texture::premultiplied (i.e. the user required components and + * whether the texture should be considered premultiplied) + * + * A reference/source format can be given (or COGL_PIXEL_FORMAT_ANY) + * and wherever possible this function tries to simply return the + * given source format if its compatible with the required components. + * + * Texture backends can call this when allocating a texture to know + * how to convert a source image in preparation for uploading. + */ +CoglPixelFormat +_cogl_texture_determine_internal_format (CoglTexture *texture, + CoglPixelFormat src_format); + +/* This is called by texture backends when they have successfully + * allocated a texture. + * + * Most texture backends currently track the internal layout of + * textures using a CoglPixelFormat which will be finalized when a + * texture is allocated. At this point we need to update + * texture::components and texture::premultiplied according to the + * determined layout. + * + * XXX: Going forward we should probably aim to stop using + * CoglPixelFormat at all for tracking the internal layout of + * textures. + */ +void +_cogl_texture_set_internal_format (CoglTexture *texture, + CoglPixelFormat internal_format); + +CoglBool +_cogl_texture_is_foreign (CoglTexture *texture); + +void +_cogl_texture_associate_framebuffer (CoglTexture *texture, + CoglFramebuffer *framebuffer); + +const GList * +_cogl_texture_get_associated_framebuffers (CoglTexture *texture); + +void +_cogl_texture_flush_journal_rendering (CoglTexture *texture); + +void +_cogl_texture_spans_foreach_in_region (CoglSpan *x_spans, + int n_x_spans, + CoglSpan *y_spans, + int n_y_spans, + CoglTexture **textures, + float *virtual_coords, + float x_normalize_factor, + float y_normalize_factor, + CoglPipelineWrapMode wrap_x, + CoglPipelineWrapMode wrap_y, + CoglMetaTextureCallback callback, + void *user_data); + +/* + * _cogl_texture_get_type: + * @texture: a #CoglTexture pointer + * + * Retrieves the texture type of the underlying hardware texture that + * this #CoglTexture will use. + * + * Return value: The type of the hardware texture. + */ +CoglTextureType +_cogl_texture_get_type (CoglTexture *texture); + +CoglBool +_cogl_texture_set_region (CoglTexture *texture, + int width, + int height, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + int dst_x, + int dst_y, + int level, + CoglError **error); + +CoglBool +_cogl_texture_set_region_from_bitmap (CoglTexture *texture, + int src_x, + int src_y, + int width, + int height, + CoglBitmap *bmp, + int dst_x, + int dst_y, + int level, + CoglError **error); + +CoglBool +_cogl_texture_needs_premult_conversion (CoglPixelFormat src_format, + CoglPixelFormat dst_format); + +int +_cogl_texture_get_n_levels (CoglTexture *texture); + +void +_cogl_texture_get_level_size (CoglTexture *texture, + int level, + int *width, + int *height, + int *depth); + +void +_cogl_texture_set_allocated (CoglTexture *texture, + CoglPixelFormat internal_format, + int width, + int height); + +CoglPixelFormat +_cogl_texture_get_format (CoglTexture *texture); + +CoglTextureLoader * +_cogl_texture_create_loader (void); + +void +_cogl_texture_copy_internal_format (CoglTexture *src, + CoglTexture *dest); + +#endif /* __COGL_TEXTURE_PRIVATE_H */ diff --git a/cogl/cogl-texture-rectangle-private.h b/cogl/cogl-texture-rectangle-private.h new file mode 100644 index 0000000..75029e7 --- /dev/null +++ b/cogl/cogl-texture-rectangle-private.h @@ -0,0 +1,66 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_TEXTURE_RECTANGLE_H +#define __COGL_TEXTURE_RECTANGLE_H + +#include "cogl-pipeline-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-rectangle.h" + +struct _CoglTextureRectangle +{ + CoglTexture _parent; + + /* The internal format of the texture represented as a + CoglPixelFormat */ + CoglPixelFormat internal_format; + + /* TODO: factor out these OpenGL specific members into some form + * of driver private state. */ + + /* The internal format of the GL texture represented as a GL enum */ + GLenum gl_format; + /* The texture object number */ + GLuint gl_texture; + GLenum gl_legacy_texobj_min_filter; + GLenum gl_legacy_texobj_mag_filter; + GLint gl_legacy_texobj_wrap_mode_s; + GLint gl_legacy_texobj_wrap_mode_t; + CoglBool is_foreign; +}; + +CoglTextureRectangle * +_cogl_texture_rectangle_new_from_foreign (GLuint gl_handle, + GLuint width, + GLuint height, + CoglPixelFormat format); + +#endif /* __COGL_TEXTURE_RECTANGLE_H */ diff --git a/cogl/cogl-texture-rectangle.c b/cogl/cogl-texture-rectangle.c new file mode 100644 index 0000000..65d2f06 --- /dev/null +++ b/cogl/cogl-texture-rectangle.c @@ -0,0 +1,781 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-private.h" +#include "cogl-util.h" +#include "cogl-texture-private.h" +#include "cogl-texture-rectangle-private.h" +#include "cogl-texture-driver.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-journal-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-error-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-gtype-private.h" + +#include +#include + +/* These aren't defined under GLES */ +#ifndef GL_TEXTURE_RECTANGLE_ARB +#define GL_TEXTURE_RECTANGLE_ARB 0x84F5 +#endif +#ifndef GL_CLAMP +#define GL_CLAMP 0x2900 +#endif +#ifndef GL_CLAMP_TO_BORDER +#define GL_CLAMP_TO_BORDER 0x812D +#endif + +static void _cogl_texture_rectangle_free (CoglTextureRectangle *tex_rect); + +COGL_TEXTURE_DEFINE (TextureRectangle, texture_rectangle); +COGL_GTYPE_DEFINE_CLASS (TextureRectangle, texture_rectangle, + COGL_GTYPE_IMPLEMENT_INTERFACE (texture)); + +static const CoglTextureVtable cogl_texture_rectangle_vtable; + +static CoglBool +can_use_wrap_mode (GLenum wrap_mode) +{ + return (wrap_mode == GL_CLAMP || + wrap_mode == GL_CLAMP_TO_EDGE || + wrap_mode == GL_CLAMP_TO_BORDER); +} + +static void +_cogl_texture_rectangle_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p) +{ + CoglTextureRectangle *tex_rect = COGL_TEXTURE_RECTANGLE (tex); + CoglContext *ctx = tex->context; + + /* Only set the wrap mode if it's different from the current value + to avoid too many GL calls. Texture rectangle doesn't make use of + the r coordinate so we can ignore its wrap mode */ + if (tex_rect->gl_legacy_texobj_wrap_mode_s != wrap_mode_s || + tex_rect->gl_legacy_texobj_wrap_mode_t != wrap_mode_t) + { + g_assert (can_use_wrap_mode (wrap_mode_s)); + g_assert (can_use_wrap_mode (wrap_mode_t)); + + _cogl_bind_gl_texture_transient (GL_TEXTURE_RECTANGLE_ARB, + tex_rect->gl_texture, + tex_rect->is_foreign); + GE( ctx, glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, + GL_TEXTURE_WRAP_S, wrap_mode_s) ); + GE( ctx, glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, + GL_TEXTURE_WRAP_T, wrap_mode_t) ); + + tex_rect->gl_legacy_texobj_wrap_mode_s = wrap_mode_s; + tex_rect->gl_legacy_texobj_wrap_mode_t = wrap_mode_t; + } +} + +static void +_cogl_texture_rectangle_free (CoglTextureRectangle *tex_rect) +{ + if (!tex_rect->is_foreign && tex_rect->gl_texture) + _cogl_delete_gl_texture (tex_rect->gl_texture); + + /* Chain up */ + _cogl_texture_free (COGL_TEXTURE (tex_rect)); +} + +static CoglBool +_cogl_texture_rectangle_can_create (CoglContext *ctx, + unsigned int width, + unsigned int height, + CoglPixelFormat internal_format, + CoglError **error) +{ + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_RECTANGLE)) + { + _cogl_set_error (error, + COGL_TEXTURE_ERROR, + COGL_TEXTURE_ERROR_TYPE, + "The CoglTextureRectangle feature isn't available"); + return FALSE; + } + + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + &gl_intformat, + &gl_format, + &gl_type); + + /* Check that the driver can create a texture with that size */ + if (!ctx->texture_driver->size_supported (ctx, + GL_TEXTURE_RECTANGLE_ARB, + gl_intformat, + gl_format, + gl_type, + width, + height)) + { + _cogl_set_error (error, + COGL_TEXTURE_ERROR, + COGL_TEXTURE_ERROR_SIZE, + "The requested texture size + format is unsupported"); + return FALSE; + } + + return TRUE; +} + +static void +_cogl_texture_rectangle_set_auto_mipmap (CoglTexture *tex, + CoglBool value) +{ + /* Rectangle textures currently never support mipmapping so there's + no point in doing anything here */ +} + +static CoglTextureRectangle * +_cogl_texture_rectangle_create_base (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format, + CoglTextureLoader *loader) +{ + CoglTextureRectangle *tex_rect = g_new (CoglTextureRectangle, 1); + CoglTexture *tex = COGL_TEXTURE (tex_rect); + + _cogl_texture_init (tex, ctx, width, height, + internal_format, loader, + &cogl_texture_rectangle_vtable); + + tex_rect->gl_texture = 0; + tex_rect->is_foreign = FALSE; + + /* We default to GL_LINEAR for both filters */ + tex_rect->gl_legacy_texobj_min_filter = GL_LINEAR; + tex_rect->gl_legacy_texobj_mag_filter = GL_LINEAR; + + /* Wrap mode not yet set */ + tex_rect->gl_legacy_texobj_wrap_mode_s = GL_FALSE; + tex_rect->gl_legacy_texobj_wrap_mode_t = GL_FALSE; + + return _cogl_texture_rectangle_object_new (tex_rect); +} + +CoglTextureRectangle * +cogl_texture_rectangle_new_with_size (CoglContext *ctx, + int width, + int height) +{ + CoglTextureLoader *loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_SIZED; + loader->src.sized.width = width; + loader->src.sized.height = height; + + return _cogl_texture_rectangle_create_base (ctx, width, height, + COGL_PIXEL_FORMAT_RGBA_8888_PRE, + loader); +} + +static CoglBool +allocate_with_size (CoglTextureRectangle *tex_rect, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_rect); + CoglContext *ctx = tex->context; + CoglPixelFormat internal_format; + int width = loader->src.sized.width; + int height = loader->src.sized.height; + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + GLenum gl_error; + GLenum gl_texture; + + internal_format = + _cogl_texture_determine_internal_format (tex, COGL_PIXEL_FORMAT_ANY); + + if (!_cogl_texture_rectangle_can_create (ctx, + width, + height, + internal_format, + error)) + return FALSE; + + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + &gl_intformat, + &gl_format, + &gl_type); + + gl_texture = + ctx->texture_driver->gen (ctx, + GL_TEXTURE_RECTANGLE_ARB, + internal_format); + _cogl_bind_gl_texture_transient (GL_TEXTURE_RECTANGLE_ARB, + gl_texture, + tex_rect->is_foreign); + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, gl_intformat, + width, height, 0, gl_format, gl_type, NULL); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + { + GE( ctx, glDeleteTextures (1, &gl_texture) ); + return FALSE; + } + + tex_rect->internal_format = internal_format; + + tex_rect->gl_texture = gl_texture; + tex_rect->gl_format = gl_intformat; + + _cogl_texture_set_allocated (COGL_TEXTURE (tex_rect), + internal_format, width, height); + + return TRUE; +} + +static CoglBool +allocate_from_bitmap (CoglTextureRectangle *tex_rect, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_rect); + CoglContext *ctx = tex->context; + CoglPixelFormat internal_format; + CoglBitmap *bmp = loader->src.bitmap.bitmap; + int width = cogl_bitmap_get_width (bmp); + int height = cogl_bitmap_get_height (bmp); + CoglBool can_convert_in_place = loader->src.bitmap.can_convert_in_place; + CoglBitmap *upload_bmp; + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + + internal_format = + _cogl_texture_determine_internal_format (tex, cogl_bitmap_get_format (bmp)); + + if (!_cogl_texture_rectangle_can_create (ctx, + width, + height, + internal_format, + error)) + return FALSE; + + upload_bmp = _cogl_bitmap_convert_for_upload (bmp, + internal_format, + can_convert_in_place, + error); + if (upload_bmp == NULL) + return FALSE; + + ctx->driver_vtable->pixel_format_to_gl (ctx, + cogl_bitmap_get_format (upload_bmp), + NULL, /* internal format */ + &gl_format, + &gl_type); + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + &gl_intformat, + NULL, + NULL); + + tex_rect->gl_texture = + ctx->texture_driver->gen (ctx, + GL_TEXTURE_RECTANGLE_ARB, + internal_format); + if (!ctx->texture_driver->upload_to_gl (ctx, + GL_TEXTURE_RECTANGLE_ARB, + tex_rect->gl_texture, + FALSE, + upload_bmp, + gl_intformat, + gl_format, + gl_type, + error)) + { + cogl_object_unref (upload_bmp); + return FALSE; + } + + tex_rect->gl_format = gl_intformat; + tex_rect->internal_format = internal_format; + + cogl_object_unref (upload_bmp); + + _cogl_texture_set_allocated (COGL_TEXTURE (tex_rect), + internal_format, width, height); + + return TRUE; +} + +static CoglBool +allocate_from_gl_foreign (CoglTextureRectangle *tex_rect, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_rect); + CoglContext *ctx = tex->context; + CoglPixelFormat format = loader->src.gl_foreign.format; + GLenum gl_error = 0; + GLint gl_compressed = GL_FALSE; + GLenum gl_int_format = 0; + + if (!ctx->texture_driver->allows_foreign_gl_target (ctx, + GL_TEXTURE_RECTANGLE_ARB)) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Foreign GL_TEXTURE_RECTANGLE textures are not " + "supported by your system"); + return FALSE; + } + + /* Make sure binding succeeds */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + _cogl_bind_gl_texture_transient (GL_TEXTURE_RECTANGLE_ARB, + loader->src.gl_foreign.gl_handle, TRUE); + if (ctx->glGetError () != GL_NO_ERROR) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Failed to bind foreign GL_TEXTURE_RECTANGLE texture"); + return FALSE; + } + + /* Obtain texture parameters */ + +#ifdef HAVE_COGL_GL + if (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_QUERY_TEXTURE_PARAMETERS)) + { + GLint val; + + GE( ctx, glGetTexLevelParameteriv (GL_TEXTURE_RECTANGLE_ARB, 0, + GL_TEXTURE_COMPRESSED, + &gl_compressed) ); + + GE( ctx, glGetTexLevelParameteriv (GL_TEXTURE_RECTANGLE_ARB, 0, + GL_TEXTURE_INTERNAL_FORMAT, + &val) ); + + gl_int_format = val; + + /* If we can query GL for the actual pixel format then we'll ignore + the passed in format and use that. */ + if (!ctx->driver_vtable->pixel_format_from_gl_internal (ctx, + gl_int_format, + &format)) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Unsupported internal format for foreign texture"); + return FALSE; + } + } + else +#endif + { + /* Otherwise we'll assume we can derive the GL format from the + passed in format */ + ctx->driver_vtable->pixel_format_to_gl (ctx, + format, + &gl_int_format, + NULL, + NULL); + } + + /* Compressed texture images not supported */ + if (gl_compressed == GL_TRUE) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Compressed foreign textures aren't currently supported"); + return FALSE; + } + + /* Setup bitmap info */ + tex_rect->is_foreign = TRUE; + + tex_rect->gl_texture = loader->src.gl_foreign.gl_handle; + tex_rect->gl_format = gl_int_format; + + /* Unknown filter */ + tex_rect->gl_legacy_texobj_min_filter = GL_FALSE; + tex_rect->gl_legacy_texobj_mag_filter = GL_FALSE; + + tex_rect->internal_format = format; + + _cogl_texture_set_allocated (COGL_TEXTURE (tex_rect), + format, + loader->src.gl_foreign.width, + loader->src.gl_foreign.height); + + return TRUE; +} + +static CoglBool +_cogl_texture_rectangle_allocate (CoglTexture *tex, + CoglError **error) +{ + CoglTextureRectangle *tex_rect = COGL_TEXTURE_RECTANGLE (tex); + CoglTextureLoader *loader = tex->loader; + + _COGL_RETURN_VAL_IF_FAIL (loader, FALSE); + + switch (loader->src_type) + { + case COGL_TEXTURE_SOURCE_TYPE_SIZED: + return allocate_with_size (tex_rect, loader, error); + case COGL_TEXTURE_SOURCE_TYPE_BITMAP: + return allocate_from_bitmap (tex_rect, loader, error); + case COGL_TEXTURE_SOURCE_TYPE_GL_FOREIGN: + return allocate_from_gl_foreign (tex_rect, loader, error); + default: + break; + } + + g_return_val_if_reached (FALSE); +} + +CoglTextureRectangle * +cogl_texture_rectangle_new_from_bitmap (CoglBitmap *bmp) +{ + CoglTextureLoader *loader; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_bitmap (bmp), NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_BITMAP; + loader->src.bitmap.bitmap = cogl_object_ref (bmp); + loader->src.bitmap.can_convert_in_place = FALSE; /* TODO add api for this */ + + return _cogl_texture_rectangle_create_base (_cogl_bitmap_get_context (bmp), + cogl_bitmap_get_width (bmp), + cogl_bitmap_get_height (bmp), + cogl_bitmap_get_format (bmp), + loader); +} + +CoglTextureRectangle * +cogl_texture_rectangle_new_from_foreign (CoglContext *ctx, + unsigned int gl_handle, + int width, + int height, + CoglPixelFormat format) +{ + CoglTextureLoader *loader; + + /* NOTE: width, height and internal format are not queriable in + * GLES, hence such a function prototype. Also in the case of full + * opengl the user may be creating a Cogl texture for a + * texture_from_pixmap object where glTexImage2D may not have been + * called and the texture_from_pixmap spec doesn't clarify that it + * is reliable to query back the size from OpenGL. + */ + + /* Assert that it is a valid GL texture object */ + _COGL_RETURN_VAL_IF_FAIL (ctx->glIsTexture (gl_handle), NULL); + + /* Validate width and height */ + _COGL_RETURN_VAL_IF_FAIL (width > 0 && height > 0, NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_GL_FOREIGN; + loader->src.gl_foreign.gl_handle = gl_handle; + loader->src.gl_foreign.width = width; + loader->src.gl_foreign.height = height; + loader->src.gl_foreign.format = format; + + return _cogl_texture_rectangle_create_base (ctx, width, height, + format, loader); +} + +static int +_cogl_texture_rectangle_get_max_waste (CoglTexture *tex) +{ + return -1; +} + +static CoglBool +_cogl_texture_rectangle_is_sliced (CoglTexture *tex) +{ + return FALSE; +} + +static CoglBool +_cogl_texture_rectangle_can_hardware_repeat (CoglTexture *tex) +{ + return FALSE; +} + +static void +_cogl_texture_rectangle_transform_coords_to_gl (CoglTexture *tex, + float *s, + float *t) +{ + *s *= tex->width; + *t *= tex->height; +} + +static CoglTransformResult +_cogl_texture_rectangle_transform_quad_coords_to_gl (CoglTexture *tex, + float *coords) +{ + CoglBool need_repeat = FALSE; + int i; + + for (i = 0; i < 4; i++) + { + if (coords[i] < 0.0f || coords[i] > 1.0f) + need_repeat = TRUE; + coords[i] *= (i & 1) ? tex->height : tex->width; + } + + return (need_repeat ? COGL_TRANSFORM_SOFTWARE_REPEAT + : COGL_TRANSFORM_NO_REPEAT); +} + +static CoglBool +_cogl_texture_rectangle_get_gl_texture (CoglTexture *tex, + GLuint *out_gl_handle, + GLenum *out_gl_target) +{ + CoglTextureRectangle *tex_rect = COGL_TEXTURE_RECTANGLE (tex); + + if (out_gl_handle) + *out_gl_handle = tex_rect->gl_texture; + + if (out_gl_target) + *out_gl_target = GL_TEXTURE_RECTANGLE_ARB; + + return TRUE; +} + +static void +_cogl_texture_rectangle_gl_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter) +{ + CoglTextureRectangle *tex_rect = COGL_TEXTURE_RECTANGLE (tex); + CoglContext *ctx = tex->context; + + if (min_filter == tex_rect->gl_legacy_texobj_min_filter + && mag_filter == tex_rect->gl_legacy_texobj_mag_filter) + return; + + /* Rectangle textures don't support mipmapping */ + g_assert (min_filter == GL_LINEAR || min_filter == GL_NEAREST); + + /* Store new values */ + tex_rect->gl_legacy_texobj_min_filter = min_filter; + tex_rect->gl_legacy_texobj_mag_filter = mag_filter; + + /* Apply new filters to the texture */ + _cogl_bind_gl_texture_transient (GL_TEXTURE_RECTANGLE_ARB, + tex_rect->gl_texture, + tex_rect->is_foreign); + GE( ctx, glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, + mag_filter) ); + GE( ctx, glTexParameteri (GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, + min_filter) ); +} + +static void +_cogl_texture_rectangle_pre_paint (CoglTexture *tex, + CoglTexturePrePaintFlags flags) +{ + /* Rectangle textures don't support mipmaps */ + g_assert ((flags & COGL_TEXTURE_NEEDS_MIPMAP) == 0); +} + +static void +_cogl_texture_rectangle_ensure_non_quad_rendering (CoglTexture *tex) +{ + /* Nothing needs to be done */ +} + +static CoglBool +_cogl_texture_rectangle_set_region (CoglTexture *tex, + int src_x, + int src_y, + int dst_x, + int dst_y, + int dst_width, + int dst_height, + int level, + CoglBitmap *bmp, + CoglError **error) +{ + CoglBitmap *upload_bmp; + GLenum gl_format; + GLenum gl_type; + CoglContext *ctx = tex->context; + CoglBool status; + + upload_bmp = + _cogl_bitmap_convert_for_upload (bmp, + _cogl_texture_get_format (tex), + FALSE, /* can't convert in place */ + error); + if (upload_bmp == NULL) + return FALSE; + + ctx->driver_vtable->pixel_format_to_gl (ctx, + cogl_bitmap_get_format (upload_bmp), + NULL, /* internal format */ + &gl_format, + &gl_type); + + /* Send data to GL */ + status = + ctx->texture_driver->upload_subregion_to_gl (ctx, + tex, + FALSE, + src_x, src_y, + dst_x, dst_y, + dst_width, dst_height, + level, + upload_bmp, + gl_format, + gl_type, + error); + + cogl_object_unref (upload_bmp); + + return status; +} + +static CoglBool +_cogl_texture_rectangle_get_data (CoglTexture *tex, + CoglPixelFormat format, + int rowstride, + uint8_t *data) +{ + CoglTextureRectangle *tex_rect = COGL_TEXTURE_RECTANGLE (tex); + CoglContext *ctx = tex->context; + int bpp; + GLenum gl_format; + GLenum gl_type; + + bpp = _cogl_pixel_format_get_bytes_per_pixel (format); + + ctx->driver_vtable->pixel_format_to_gl (ctx, + format, + NULL, /* internal format */ + &gl_format, + &gl_type); + + ctx->texture_driver->prep_gl_for_pixels_download (ctx, + rowstride, + tex->width, + bpp); + + _cogl_bind_gl_texture_transient (GL_TEXTURE_RECTANGLE_ARB, + tex_rect->gl_texture, + tex_rect->is_foreign); + return ctx->texture_driver->gl_get_tex_image (ctx, + GL_TEXTURE_RECTANGLE_ARB, + gl_format, + gl_type, + data); +} + +static CoglPixelFormat +_cogl_texture_rectangle_get_format (CoglTexture *tex) +{ + return COGL_TEXTURE_RECTANGLE (tex)->internal_format; +} + +static GLenum +_cogl_texture_rectangle_get_gl_format (CoglTexture *tex) +{ + return COGL_TEXTURE_RECTANGLE (tex)->gl_format; +} + +static CoglBool +_cogl_texture_rectangle_is_foreign (CoglTexture *tex) +{ + return COGL_TEXTURE_RECTANGLE (tex)->is_foreign; +} + +static CoglTextureType +_cogl_texture_rectangle_get_type (CoglTexture *tex) +{ + return COGL_TEXTURE_TYPE_RECTANGLE; +} + +static const CoglTextureVtable +cogl_texture_rectangle_vtable = + { + TRUE, /* primitive */ + _cogl_texture_rectangle_allocate, + _cogl_texture_rectangle_set_region, + _cogl_texture_rectangle_get_data, + NULL, /* foreach_sub_texture_in_region */ + _cogl_texture_rectangle_get_max_waste, + _cogl_texture_rectangle_is_sliced, + _cogl_texture_rectangle_can_hardware_repeat, + _cogl_texture_rectangle_transform_coords_to_gl, + _cogl_texture_rectangle_transform_quad_coords_to_gl, + _cogl_texture_rectangle_get_gl_texture, + _cogl_texture_rectangle_gl_flush_legacy_texobj_filters, + _cogl_texture_rectangle_pre_paint, + _cogl_texture_rectangle_ensure_non_quad_rendering, + _cogl_texture_rectangle_gl_flush_legacy_texobj_wrap_modes, + _cogl_texture_rectangle_get_format, + _cogl_texture_rectangle_get_gl_format, + _cogl_texture_rectangle_get_type, + _cogl_texture_rectangle_is_foreign, + _cogl_texture_rectangle_set_auto_mipmap + }; diff --git a/cogl/cogl-texture-rectangle.h b/cogl/cogl-texture-rectangle.h new file mode 100644 index 0000000..7619686 --- /dev/null +++ b/cogl/cogl-texture-rectangle.h @@ -0,0 +1,218 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_TEXURE_RECTANGLE_H +#define __COGL_TEXURE_RECTANGLE_H + +#include "cogl-context.h" + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-texture-rectangle + * @short_description: Functions for creating and manipulating rectangle + * textures for use with non-normalized coordinates. + * + * These functions allow low-level "rectangle" textures to be allocated. + * These textures are never constrained to power-of-two sizes but they + * also don't support having a mipmap and can only be wrapped with + * %COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE. + * + * The most notable difference between rectangle textures and 2D + * textures is that rectangle textures are sampled using un-normalized + * texture coordinates, so instead of using coordinates (0,0) and + * (1,1) to map to the top-left and bottom right corners of the + * texture you would instead use (0,0) and (width,height). + * + * The use of non-normalized coordinates can be particularly + * convenient when writing glsl shaders that use a texture as a lookup + * table since you don't need to upload separate uniforms to map + * normalized coordinates to texels. + * + * If you want to sample from a rectangle texture from GLSL you should + * use the sampler2DRect sampler type. + * + * Applications wanting to use #CoglTextureRectangle should first check + * for the %COGL_FEATURE_ID_TEXTURE_RECTANGLE feature using + * cogl_has_feature(). + */ + +typedef struct _CoglTextureRectangle CoglTextureRectangle; +#define COGL_TEXTURE_RECTANGLE(X) ((CoglTextureRectangle *)X) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_texture_rectangle_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_texture_rectangle_get_gtype (void); +#endif + +/** + * cogl_is_texture_rectangle: + * @object: A #CoglObject + * + * Gets whether the given object references an existing + * #CoglTextureRectangle object. + * + * Return value: %TRUE if the object references a + * #CoglTextureRectangle, %FALSE otherwise. + */ +CoglBool +cogl_is_texture_rectangle (void *object); + +/** + * cogl_texture_rectangle_new_with_size: + * @ctx: A #CoglContext pointer + * @width: The texture width to allocate + * @height: The texture height to allocate + * + * Creates a new #CoglTextureRectangle texture with a given @width, + * and @height. This texture is a low-level texture that the GPU can + * sample from directly unlike high-level textures such as + * #CoglTexture2DSliced and #CoglAtlasTexture. + * + * Unlike for #CoglTexture2D textures, coordinates for + * #CoglTextureRectangle textures should not be normalized. So instead + * of using the coordinate (1, 1) to sample the bottom right corner of + * a rectangle texture you would use (@width, @height) where @width + * and @height are the width and height of the texture. + * + * If you want to sample from a rectangle texture from GLSL you + * should use the sampler2DRect sampler type. + * + * Applications wanting to use #CoglTextureRectangle should + * first check for the %COGL_FEATURE_ID_TEXTURE_RECTANGLE feature + * using cogl_has_feature(). + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or preferably let Cogl + * automatically allocate storage lazily when it may know more about + * how the texture is going to be used and can optimize how it is + * allocated. + * + * Returns value: (transfer full): A pointer to a new #CoglTextureRectangle + * object with no storage allocated yet. + * + * Since: 1.10 + * Stability: unstable + */ +CoglTextureRectangle * +cogl_texture_rectangle_new_with_size (CoglContext *ctx, + int width, + int height); + +/** + * cogl_texture_rectangle_new_from_bitmap: + * @bitmap: A #CoglBitmap + * + * Allocates a new #CoglTextureRectangle texture which will be + * initialized with the pixel data from @bitmap. This texture is a + * low-level texture that the GPU can sample from directly unlike + * high-level textures such as #CoglTexture2DSliced and + * #CoglAtlasTexture. + * + * Unlike for #CoglTexture2D textures, coordinates for + * #CoglTextureRectangle textures should not be normalized. So instead + * of using the coordinate (1, 1) to sample the bottom right corner of + * a rectangle texture you would use (@width, @height) where @width + * and @height are the width and height of the texture. + * + * If you want to sample from a rectangle texture from GLSL you + * should use the sampler2DRect sampler type. + * + * Applications wanting to use #CoglTextureRectangle should + * first check for the %COGL_FEATURE_ID_TEXTURE_RECTANGLE feature + * using cogl_has_feature(). + * + * The storage for the texture is not allocated before this function + * returns. You can call cogl_texture_allocate() to explicitly + * allocate the underlying storage or preferably let Cogl + * automatically allocate storage lazily when it may know more about + * how the texture is going to be used and can optimize how it is + * allocated. + * + * Return value: (transfer full): A pointer to a new + * #CoglTextureRectangle texture. + * Since: 2.0 + * Stability: unstable + */ +CoglTextureRectangle * +cogl_texture_rectangle_new_from_bitmap (CoglBitmap *bitmap); + +/** + * cogl_texture_rectangle_new_from_foreign: + * @ctx: A #CoglContext + * @gl_handle: A GL handle for a GL_TEXTURE_RECTANGLE texture object + * @width: Width of the foreign GL texture + * @height: Height of the foreign GL texture + * @format: The format of the texture + * + * Wraps an existing GL_TEXTURE_RECTANGLE texture object as a + * #CoglTextureRectangle. This can be used for integrating Cogl with + * software using OpenGL directly. + * + * Unlike for #CoglTexture2D textures, coordinates for + * #CoglTextureRectangle textures should not be normalized. So instead + * of using the coordinate (1, 1) to sample the bottom right corner of + * a rectangle texture you would use (@width, @height) where @width + * and @height are the width and height of the texture. + * + * The results are undefined for passing an invalid @gl_handle + * or if @width or @height don't have the correct texture + * geometry. + * + * If you want to sample from a rectangle texture from GLSL you + * should use the sampler2DRect sampler type. + * + * Applications wanting to use #CoglTextureRectangle should + * first check for the %COGL_FEATURE_ID_TEXTURE_RECTANGLE feature + * using cogl_has_feature(). + * + * The texture is still configurable until it has been allocated so + * for example you can declare whether the texture is premultiplied + * with cogl_texture_set_premultiplied(). + * + * Return value: (transfer full): A new #CoglTextureRectangle texture + */ +CoglTextureRectangle * +cogl_texture_rectangle_new_from_foreign (CoglContext *ctx, + unsigned int gl_handle, + int width, + int height, + CoglPixelFormat format); + +COGL_END_DECLS + +#endif /* __COGL_TEXURE_RECTANGLE_H */ diff --git a/cogl/cogl-texture.c b/cogl/cogl-texture.c new file mode 100644 index 0000000..d93db22 --- /dev/null +++ b/cogl/cogl-texture.c @@ -0,0 +1,1540 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * Copyright (C) 2010 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Matthew Allum + * Neil Roberts + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-util.h" +#include "cogl-bitmap.h" +#include "cogl-bitmap-private.h" +#include "cogl-buffer-private.h" +#include "cogl-pixel-buffer-private.h" +#include "cogl-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-driver.h" +#include "cogl-texture-2d-sliced-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-texture-2d-gl.h" +#include "cogl-texture-3d-private.h" +#include "cogl-texture-rectangle-private.h" +#include "cogl-sub-texture-private.h" +#include "cogl-atlas-texture-private.h" +#include "cogl-pipeline.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-object-private.h" +#include "cogl-primitives.h" +#include "cogl-framebuffer-private.h" +#include "cogl1-context.h" +#include "cogl-sub-texture.h" +#include "cogl-primitive-texture.h" +#include "cogl-error-private.h" +#include "cogl-gtype-private.h" + +#include +#include +#include + +/* This isn't defined in the GLES headers */ +#ifndef GL_RED +#define GL_RED 0x1903 +#endif + +COGL_GTYPE_DEFINE_INTERFACE (Texture, texture); + +uint32_t +cogl_texture_error_quark (void) +{ + return g_quark_from_static_string ("cogl-texture-error-quark"); +} + +/* XXX: + * The CoglObject macros don't support any form of inheritance, so for + * now we implement the CoglObject support for the CoglTexture + * abstract class manually. + */ + +static GSList *_cogl_texture_types; + +void +_cogl_texture_register_texture_type (const CoglObjectClass *klass) +{ + _cogl_texture_types = g_slist_prepend (_cogl_texture_types, (void *) klass); +} + +CoglBool +cogl_is_texture (void *object) +{ + CoglObject *obj = (CoglObject *)object; + GSList *l; + + if (object == NULL) + return FALSE; + + for (l = _cogl_texture_types; l; l = l->next) + if (l->data == obj->klass) + return TRUE; + + return FALSE; +} + +void +_cogl_texture_init (CoglTexture *texture, + CoglContext *context, + int width, + int height, + CoglPixelFormat src_format, + CoglTextureLoader *loader, + const CoglTextureVtable *vtable) +{ + texture->context = context; + texture->max_level = 0; + texture->width = width; + texture->height = height; + texture->allocated = FALSE; + texture->vtable = vtable; + texture->framebuffers = NULL; + + texture->loader = loader; + + _cogl_texture_set_internal_format (texture, src_format); + + /* Although we want to initialize texture::components according + * to the source format, we always want the internal layout to + * be considered premultiplied by default. + * + * NB: this ->premultiplied state is user configurable so to avoid + * awkward documentation, setting this to 'true' does not depend on + * ->components having an alpha component (we will simply ignore the + * premultiplied status later if there is no alpha component). + * This way we don't have to worry about updating the + * ->premultiplied state in _set_components(). Similarly we don't + * have to worry about updating the ->components state in + * _set_premultiplied(). + */ + texture->premultiplied = TRUE; +} + +static void +_cogl_texture_free_loader (CoglTexture *texture) +{ + if (texture->loader) + { + CoglTextureLoader *loader = texture->loader; + switch (loader->src_type) + { + case COGL_TEXTURE_SOURCE_TYPE_SIZED: + case COGL_TEXTURE_SOURCE_TYPE_EGL_IMAGE: + case COGL_TEXTURE_SOURCE_TYPE_GL_FOREIGN: + break; + case COGL_TEXTURE_SOURCE_TYPE_BITMAP: + cogl_object_unref (loader->src.bitmap.bitmap); + break; + } + g_slice_free (CoglTextureLoader, loader); + texture->loader = NULL; + } +} + +CoglTextureLoader * +_cogl_texture_create_loader (void) +{ + return g_slice_new0 (CoglTextureLoader); +} + +void +_cogl_texture_free (CoglTexture *texture) +{ + _cogl_texture_free_loader (texture); + + g_free (texture); +} + +CoglBool +_cogl_texture_needs_premult_conversion (CoglPixelFormat src_format, + CoglPixelFormat dst_format) +{ + return ((src_format & dst_format & COGL_A_BIT) && + src_format != COGL_PIXEL_FORMAT_A_8 && + dst_format != COGL_PIXEL_FORMAT_A_8 && + (src_format & COGL_PREMULT_BIT) != + (dst_format & COGL_PREMULT_BIT)); +} + +CoglBool +_cogl_texture_is_foreign (CoglTexture *texture) +{ + if (texture->vtable->is_foreign) + return texture->vtable->is_foreign (texture); + else + return FALSE; +} + +unsigned int +cogl_texture_get_width (CoglTexture *texture) +{ + return texture->width; +} + +unsigned int +cogl_texture_get_height (CoglTexture *texture) +{ + return texture->height; +} + +CoglPixelFormat +_cogl_texture_get_format (CoglTexture *texture) +{ + if (!texture->allocated) + cogl_texture_allocate (texture, NULL); + return texture->vtable->get_format (texture); +} + +int +cogl_texture_get_max_waste (CoglTexture *texture) +{ + return texture->vtable->get_max_waste (texture); +} + +int +_cogl_texture_get_n_levels (CoglTexture *texture) +{ + int width = cogl_texture_get_width (texture); + int height = cogl_texture_get_height (texture); + int max_dimension = MAX (width, height); + + if (cogl_is_texture_3d (texture)) + { + CoglTexture3D *tex_3d = COGL_TEXTURE_3D (texture); + max_dimension = MAX (max_dimension, tex_3d->depth); + } + + return _cogl_util_fls (max_dimension); +} + +void +_cogl_texture_get_level_size (CoglTexture *texture, + int level, + int *width, + int *height, + int *depth) +{ + int current_width = cogl_texture_get_width (texture); + int current_height = cogl_texture_get_height (texture); + int current_depth; + int i; + + if (cogl_is_texture_3d (texture)) + { + CoglTexture3D *tex_3d = COGL_TEXTURE_3D (texture); + current_depth = tex_3d->depth; + } + else + current_depth = 0; + + /* NB: The OpenGL spec (like D3D) uses a floor() convention to + * round down the size of a mipmap level when dividing the size + * of the previous level results in a fraction... + */ + for (i = 0; i < level; i++) + { + current_width = MAX (1, current_width >> 1); + current_height = MAX (1, current_height >> 1); + current_depth = MAX (1, current_depth >> 1); + } + + if (width) + *width = current_width; + if (height) + *height = current_height; + if (depth) + *depth = current_depth; +} + +CoglBool +cogl_texture_is_sliced (CoglTexture *texture) +{ + if (!texture->allocated) + cogl_texture_allocate (texture, NULL); + return texture->vtable->is_sliced (texture); +} + +/* If this returns FALSE, that implies _foreach_sub_texture_in_region + * will be needed to iterate over multiple sub textures for regions whos + * texture coordinates extend out of the range [0,1] + */ +CoglBool +_cogl_texture_can_hardware_repeat (CoglTexture *texture) +{ + if (!texture->allocated) + cogl_texture_allocate (texture, NULL); + return texture->vtable->can_hardware_repeat (texture); +} + +/* NB: You can't use this with textures comprised of multiple sub textures (use + * cogl_texture_is_sliced() to check) since coordinate transformation for such + * textures will be different for each slice. */ +void +_cogl_texture_transform_coords_to_gl (CoglTexture *texture, + float *s, + float *t) +{ + texture->vtable->transform_coords_to_gl (texture, s, t); +} + +CoglTransformResult +_cogl_texture_transform_quad_coords_to_gl (CoglTexture *texture, + float *coords) +{ + return texture->vtable->transform_quad_coords_to_gl (texture, coords); +} + +CoglBool +cogl_texture_get_gl_texture (CoglTexture *texture, + GLuint *out_gl_handle, + GLenum *out_gl_target) +{ + if (!texture->allocated) + cogl_texture_allocate (texture, NULL); + + return texture->vtable->get_gl_texture (texture, + out_gl_handle, out_gl_target); +} + +CoglTextureType +_cogl_texture_get_type (CoglTexture *texture) +{ + return texture->vtable->get_type (texture); +} + +void +_cogl_texture_pre_paint (CoglTexture *texture, CoglTexturePrePaintFlags flags) +{ + /* Assert that the storage for the texture exists already if we're + * about to reference it for painting. + * + * Note: we abort on error here since it's a bit late to do anything + * about it if we fail to allocate the texture and the app could + * have explicitly allocated the texture earlier to handle problems + * gracefully. + * + * XXX: Maybe it could even be considered a programmer error if the + * texture hasn't been allocated by this point since it implies we + * are abount to paint with undefined texture contents? + */ + cogl_texture_allocate (texture, NULL); + + texture->vtable->pre_paint (texture, flags); +} + +void +_cogl_texture_ensure_non_quad_rendering (CoglTexture *texture) +{ + texture->vtable->ensure_non_quad_rendering (texture); +} + +CoglBool +_cogl_texture_set_region_from_bitmap (CoglTexture *texture, + int src_x, + int src_y, + int width, + int height, + CoglBitmap *bmp, + int dst_x, + int dst_y, + int level, + CoglError **error) +{ + _COGL_RETURN_VAL_IF_FAIL ((cogl_bitmap_get_width (bmp) - src_x) + >= width, FALSE); + _COGL_RETURN_VAL_IF_FAIL ((cogl_bitmap_get_height (bmp) - src_y) + >= height, FALSE); + _COGL_RETURN_VAL_IF_FAIL (width > 0, FALSE); + _COGL_RETURN_VAL_IF_FAIL (height > 0, FALSE); + + /* Assert that the storage for this texture has been allocated */ + if (!cogl_texture_allocate (texture, error)) + return FALSE; + + /* Note that we don't prepare the bitmap for upload here because + some backends may be internally using a different format for the + actual GL texture than that reported by + _cogl_texture_get_format. For example the atlas textures are + always stored in an RGBA texture even if the texture format is + advertised as RGB. */ + + return texture->vtable->set_region (texture, + src_x, src_y, + dst_x, dst_y, + width, height, + level, + bmp, + error); +} + +CoglBool +cogl_texture_set_region_from_bitmap (CoglTexture *texture, + int src_x, + int src_y, + int dst_x, + int dst_y, + unsigned int dst_width, + unsigned int dst_height, + CoglBitmap *bitmap) +{ + CoglError *ignore_error = NULL; + CoglBool status = + _cogl_texture_set_region_from_bitmap (texture, + src_x, src_y, + dst_width, dst_height, + bitmap, + dst_x, dst_y, + 0, /* level */ + &ignore_error); + + if (!status) + cogl_error_free (ignore_error); + return status; +} + +CoglBool +_cogl_texture_set_region (CoglTexture *texture, + int width, + int height, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + int dst_x, + int dst_y, + int level, + CoglError **error) +{ + CoglContext *ctx = texture->context; + CoglBitmap *source_bmp; + CoglBool ret; + + _COGL_RETURN_VAL_IF_FAIL (format != COGL_PIXEL_FORMAT_ANY, FALSE); + + /* Rowstride from width if none specified */ + if (rowstride == 0) + rowstride = _cogl_pixel_format_get_bytes_per_pixel (format) * width; + + /* Init source bitmap */ + source_bmp = cogl_bitmap_new_for_data (ctx, + width, height, + format, + rowstride, + (uint8_t *) data); + + ret = _cogl_texture_set_region_from_bitmap (texture, + 0, 0, + width, height, + source_bmp, + dst_x, dst_y, + level, + error); + + cogl_object_unref (source_bmp); + + return ret; +} + +CoglBool +cogl_texture_set_region (CoglTexture *texture, + int src_x, + int src_y, + int dst_x, + int dst_y, + unsigned int dst_width, + unsigned int dst_height, + int width, + int height, + CoglPixelFormat format, + unsigned int rowstride, + const uint8_t *data) +{ + CoglError *ignore_error = NULL; + const uint8_t *first_pixel; + int bytes_per_pixel = _cogl_pixel_format_get_bytes_per_pixel (format); + CoglBool status; + + /* Rowstride from width if none specified */ + if (rowstride == 0) + rowstride = bytes_per_pixel * width; + + first_pixel = data + rowstride * src_y + bytes_per_pixel * src_x; + + status = _cogl_texture_set_region (texture, + dst_width, + dst_height, + format, + rowstride, + first_pixel, + dst_x, + dst_y, + 0, + &ignore_error); + if (!status) + cogl_error_free (ignore_error); + return status; +} + +CoglBool +cogl_texture_set_data (CoglTexture *texture, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + int level, + CoglError **error) +{ + int level_width; + int level_height; + + _cogl_texture_get_level_size (texture, + level, + &level_width, + &level_height, + NULL); + + return _cogl_texture_set_region (texture, + level_width, + level_height, + format, + rowstride, + data, + 0, 0, /* dest x, y */ + level, + error); +} + +/* Reads back the contents of a texture by rendering it to the framebuffer + * and reading back the resulting pixels. + * + * It will perform multiple renders if the texture is larger than the + * current glViewport. + * + * It assumes the projection and modelview have already been setup so + * that rendering to 0,0 with the same width and height of the viewport + * will exactly cover the viewport. + * + * NB: Normally this approach isn't normally used since we can just use + * glGetTexImage, but may be used as a fallback in some circumstances. + */ +static CoglBool +do_texture_draw_and_read (CoglFramebuffer *fb, + CoglPipeline *pipeline, + CoglTexture *texture, + CoglBitmap *target_bmp, + float *viewport, + CoglError **error) +{ + float rx1, ry1; + float rx2, ry2; + float tx1, ty1; + float tx2, ty2; + int bw, bh; + CoglBitmap *rect_bmp; + unsigned int tex_width, tex_height; + CoglContext *ctx = fb->context; + + tex_width = cogl_texture_get_width (texture); + tex_height = cogl_texture_get_height (texture); + + ry2 = 0; + ty2 = 0; + + /* Walk Y axis until whole bitmap height consumed */ + for (bh = tex_height; bh > 0; bh -= viewport[3]) + { + /* Rectangle Y coords */ + ry1 = ry2; + ry2 += (bh < viewport[3]) ? bh : viewport[3]; + + /* Normalized texture Y coords */ + ty1 = ty2; + ty2 = (ry2 / (float) tex_height); + + rx2 = 0; + tx2 = 0; + + /* Walk X axis until whole bitmap width consumed */ + for (bw = tex_width; bw > 0; bw-=viewport[2]) + { + int width; + int height; + + /* Rectangle X coords */ + rx1 = rx2; + rx2 += (bw < viewport[2]) ? bw : viewport[2]; + + width = rx2 - rx1; + height = ry2 - ry1; + + /* Normalized texture X coords */ + tx1 = tx2; + tx2 = (rx2 / (float) tex_width); + + /* Draw a portion of texture */ + cogl_framebuffer_draw_textured_rectangle (fb, + pipeline, + 0, 0, + rx2 - rx1, + ry2 - ry1, + tx1, ty1, + tx2, ty2); + + /* Read into a temporary bitmap */ + rect_bmp = _cogl_bitmap_new_with_malloc_buffer + (ctx, + width, height, + COGL_PIXEL_FORMAT_RGBA_8888_PRE, + error); + if (!rect_bmp) + return FALSE; + + if (!_cogl_framebuffer_read_pixels_into_bitmap + (fb, + viewport[0], viewport[1], + COGL_READ_PIXELS_COLOR_BUFFER, + rect_bmp, + error)) + { + cogl_object_unref (rect_bmp); + return FALSE; + } + + /* Copy to target bitmap */ + if (!_cogl_bitmap_copy_subregion (rect_bmp, + target_bmp, + 0, 0, + rx1, ry1, + width, + height, + error)) + { + cogl_object_unref (rect_bmp); + return FALSE; + } + + /* Free temp bitmap */ + cogl_object_unref (rect_bmp); + } + } + + return TRUE; +} + +/* Reads back the contents of a texture by rendering it to the framebuffer + * and reading back the resulting pixels. + * + * NB: Normally this approach isn't normally used since we can just use + * glGetTexImage, but may be used as a fallback in some circumstances. + */ +static CoglBool +_cogl_texture_draw_and_read (CoglTexture *texture, + CoglBitmap *target_bmp, + GLuint target_gl_format, + GLuint target_gl_type, + CoglError **error) +{ + CoglFramebuffer *framebuffer = cogl_get_draw_framebuffer (); + CoglContext *ctx = framebuffer->context; + float save_viewport[4]; + float viewport[4]; + CoglBool status = FALSE; + + viewport[0] = 0; + viewport[1] = 0; + viewport[2] = cogl_framebuffer_get_width (framebuffer); + viewport[3] = cogl_framebuffer_get_height (framebuffer); + + cogl_framebuffer_get_viewport4fv (framebuffer, save_viewport); + _cogl_framebuffer_push_projection (framebuffer); + cogl_framebuffer_orthographic (framebuffer, + 0, 0, + viewport[2], + viewport[3], + 0, 100); + + cogl_framebuffer_push_matrix (framebuffer); + cogl_framebuffer_identity_matrix (framebuffer); + + /* Direct copy operation */ + + if (ctx->texture_download_pipeline == NULL) + { + ctx->texture_download_pipeline = cogl_pipeline_new (ctx); + cogl_pipeline_set_blend (ctx->texture_download_pipeline, + "RGBA = ADD (SRC_COLOR, 0)", + NULL); + } + + cogl_pipeline_set_layer_texture (ctx->texture_download_pipeline, 0, texture); + + cogl_pipeline_set_layer_combine (ctx->texture_download_pipeline, + 0, /* layer */ + "RGBA = REPLACE (TEXTURE)", + NULL); + + cogl_pipeline_set_layer_filters (ctx->texture_download_pipeline, 0, + COGL_PIPELINE_FILTER_NEAREST, + COGL_PIPELINE_FILTER_NEAREST); + + if (!do_texture_draw_and_read (framebuffer, + ctx->texture_download_pipeline, + texture, target_bmp, viewport, + error)) + return FALSE; + + /* XXX: As an alleged PowerVR driver bug workaround where the driver + * is apparently not maintaining the alpha component of some + * framebuffers we render the alpha component of the texture + * separately to be sure we retrieve all components of the texture. + * + * TODO: verify if this is still an issue + */ + if ((_cogl_texture_get_format (texture) & COGL_A_BIT)/* && a_bits == 0*/) + { + uint8_t *srcdata; + uint8_t *dstdata; + uint8_t *srcpixel; + uint8_t *dstpixel; + int target_width = cogl_bitmap_get_width (target_bmp); + int target_height = cogl_bitmap_get_height (target_bmp); + int target_rowstride = cogl_bitmap_get_rowstride (target_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (COGL_PIXEL_FORMAT_RGBA_8888); + int alpha_rowstride = bpp * target_width; + CoglBitmap *alpha_bmp; + int x,y; + + if ((dstdata = _cogl_bitmap_map (target_bmp, + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + error)) == NULL) + goto EXIT; + + /* Create temp bitmap for alpha values */ + alpha_bmp = + _cogl_bitmap_new_with_malloc_buffer (ctx, + target_width, + target_height, + COGL_PIXEL_FORMAT_RGBA_8888, + error); + if (!alpha_bmp) + { + _cogl_bitmap_unmap (target_bmp); + goto EXIT; + } + + + /* Draw alpha values into RGB channels */ + cogl_pipeline_set_layer_combine (ctx->texture_download_pipeline, + 0, /* layer */ + "RGBA = REPLACE (TEXTURE[A])", + NULL); + + if (!do_texture_draw_and_read (framebuffer, + ctx->texture_download_pipeline, + texture, alpha_bmp, viewport, + error)) + { + cogl_object_unref (alpha_bmp); + _cogl_bitmap_unmap (target_bmp); + goto EXIT; + } + + /* Copy temp R to target A */ + + /* Note: we don't try to catch errors since "mapping" an + * malloc buffer should never fail */ + srcdata = _cogl_bitmap_map (alpha_bmp, + COGL_BUFFER_ACCESS_READ, + 0 /* hints */, + NULL); + + for (y=0; ycontext; + CoglOffscreen *offscreen; + CoglFramebuffer *framebuffer; + CoglBitmap *bitmap; + CoglBool ret; + CoglError *ignore_error = NULL; + CoglPixelFormat real_format; + + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN)) + return FALSE; + + offscreen = _cogl_offscreen_new_with_texture_full + (sub_texture, + COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL, + 0); + + framebuffer = COGL_FRAMEBUFFER (offscreen); + if (!cogl_framebuffer_allocate (framebuffer, &ignore_error)) + { + cogl_error_free (ignore_error); + return FALSE; + } + + /* Currently the framebuffer's internal format corresponds to the + * internal format of @sub_texture but in the case of atlas textures + * it's possible that this format doesn't reflect the correct + * premultiplied alpha status or what components are valid since + * atlas textures are always stored in a shared texture with a + * format of _RGBA_8888. + * + * Here we override the internal format to make sure the + * framebuffer's internal format matches the internal format of the + * parent meta_texture instead. + */ + real_format = _cogl_texture_get_format (meta_texture); + _cogl_framebuffer_set_internal_format (framebuffer, real_format); + + bitmap = cogl_bitmap_new_for_data (ctx, + width, height, + closest_format, + dst_rowstride, + dst_bits); + ret = _cogl_framebuffer_read_pixels_into_bitmap (framebuffer, + x, y, + COGL_READ_PIXELS_COLOR_BUFFER, + bitmap, + &ignore_error); + + if (!ret) + cogl_error_free (ignore_error); + + cogl_object_unref (bitmap); + + cogl_object_unref (framebuffer); + + return ret; +} + +static CoglBool +get_texture_bits_via_copy (CoglTexture *texture, + int x, + int y, + int width, + int height, + uint8_t *dst_bits, + unsigned int dst_rowstride, + CoglPixelFormat dst_format) +{ + unsigned int full_rowstride; + uint8_t *full_bits; + CoglBool ret = TRUE; + int bpp; + int full_tex_width, full_tex_height; + + full_tex_width = cogl_texture_get_width (texture); + full_tex_height = cogl_texture_get_height (texture); + + bpp = _cogl_pixel_format_get_bytes_per_pixel (dst_format); + + full_rowstride = bpp * full_tex_width; + full_bits = g_malloc (full_rowstride * full_tex_height); + + if (texture->vtable->get_data (texture, + dst_format, + full_rowstride, + full_bits)) + { + uint8_t *dst = dst_bits; + uint8_t *src = full_bits + x * bpp + y * full_rowstride; + int i; + + for (i = 0; i < height; i++) + { + memcpy (dst, src, bpp * width); + dst += dst_rowstride; + src += full_rowstride; + } + } + else + ret = FALSE; + + g_free (full_bits); + + return ret; +} + +typedef struct +{ + CoglTexture *meta_texture; + int orig_width; + int orig_height; + CoglBitmap *target_bmp; + uint8_t *target_bits; + CoglBool success; + CoglError *error; +} CoglTextureGetData; + +static void +texture_get_cb (CoglTexture *subtexture, + const float *subtexture_coords, + const float *virtual_coords, + void *user_data) +{ + CoglTextureGetData *tg_data = user_data; + CoglTexture *meta_texture = tg_data->meta_texture; + CoglPixelFormat closest_format = cogl_bitmap_get_format (tg_data->target_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (closest_format); + unsigned int rowstride = cogl_bitmap_get_rowstride (tg_data->target_bmp); + int subtexture_width = cogl_texture_get_width (subtexture); + int subtexture_height = cogl_texture_get_height (subtexture); + + int x_in_subtexture = (int) (0.5 + subtexture_width * subtexture_coords[0]); + int y_in_subtexture = (int) (0.5 + subtexture_height * subtexture_coords[1]); + int width = ((int) (0.5 + subtexture_width * subtexture_coords[2]) + - x_in_subtexture); + int height = ((int) (0.5 + subtexture_height * subtexture_coords[3]) + - y_in_subtexture); + int x_in_bitmap = (int) (0.5 + tg_data->orig_width * virtual_coords[0]); + int y_in_bitmap = (int) (0.5 + tg_data->orig_height * virtual_coords[1]); + + uint8_t *dst_bits; + + if (!tg_data->success) + return; + + dst_bits = tg_data->target_bits + x_in_bitmap * bpp + y_in_bitmap * rowstride; + + /* If we can read everything as a single slice, then go ahead and do that + * to avoid allocating an FBO. We'll leave it up to the GL implementation to + * do glGetTexImage as efficiently as possible. (GLES doesn't have that, + * so we'll fall through) + */ + if (x_in_subtexture == 0 && y_in_subtexture == 0 && + width == subtexture_width && height == subtexture_height) + { + if (subtexture->vtable->get_data (subtexture, + closest_format, + rowstride, + dst_bits)) + return; + } + + /* Next best option is a FBO and glReadPixels */ + if (get_texture_bits_via_offscreen (meta_texture, + subtexture, + x_in_subtexture, y_in_subtexture, + width, height, + dst_bits, + rowstride, + closest_format)) + return; + + /* Getting ugly: read the entire texture, copy out the part we want */ + if (get_texture_bits_via_copy (subtexture, + x_in_subtexture, y_in_subtexture, + width, height, + dst_bits, + rowstride, + closest_format)) + return; + + /* No luck, the caller will fall back to the draw-to-backbuffer and + * read implementation */ + tg_data->success = FALSE; +} + +int +cogl_texture_get_data (CoglTexture *texture, + CoglPixelFormat format, + unsigned int rowstride, + uint8_t *data) +{ + CoglContext *ctx = texture->context; + int bpp; + int byte_size; + CoglPixelFormat closest_format; + GLenum closest_gl_format; + GLenum closest_gl_type; + CoglBitmap *target_bmp; + int tex_width; + int tex_height; + CoglPixelFormat texture_format; + CoglError *ignore_error = NULL; + + CoglTextureGetData tg_data; + + texture_format = _cogl_texture_get_format (texture); + + /* Default to internal format if none specified */ + if (format == COGL_PIXEL_FORMAT_ANY) + format = texture_format; + + tex_width = cogl_texture_get_width (texture); + tex_height = cogl_texture_get_height (texture); + + /* Rowstride from texture width if none specified */ + bpp = _cogl_pixel_format_get_bytes_per_pixel (format); + if (rowstride == 0) + rowstride = tex_width * bpp; + + /* Return byte size if only that requested */ + byte_size = tex_height * rowstride; + if (data == NULL) + return byte_size; + + closest_format = + ctx->texture_driver->find_best_gl_get_data_format (ctx, + format, + &closest_gl_format, + &closest_gl_type); + + /* We can assume that whatever data GL gives us will have the + premult status of the original texture */ + if (COGL_PIXEL_FORMAT_CAN_HAVE_PREMULT (closest_format)) + closest_format = ((closest_format & ~COGL_PREMULT_BIT) | + (texture_format & COGL_PREMULT_BIT)); + + /* If the application is requesting a conversion from a + * component-alpha texture and the driver doesn't support them + * natively then we can only read into an alpha-format buffer. In + * this case the driver will be faking the alpha textures with a + * red-component texture and it won't swizzle to the correct format + * while reading */ + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_ALPHA_TEXTURES)) + { + if (texture_format == COGL_PIXEL_FORMAT_A_8) + { + closest_format = COGL_PIXEL_FORMAT_A_8; + closest_gl_format = GL_RED; + closest_gl_type = GL_UNSIGNED_BYTE; + } + else if (format == COGL_PIXEL_FORMAT_A_8) + { + /* If we are converting to a component-alpha texture then we + * need to read all of the components to a temporary buffer + * because there is no way to get just the 4th component. + * Note: it doesn't matter whether the texture is + * pre-multiplied here because we're only going to look at + * the alpha component */ + closest_format = COGL_PIXEL_FORMAT_RGBA_8888; + closest_gl_format = GL_RGBA; + closest_gl_type = GL_UNSIGNED_BYTE; + } + } + + /* Is the requested format supported? */ + if (closest_format == format) + /* Target user data directly */ + target_bmp = cogl_bitmap_new_for_data (ctx, + tex_width, + tex_height, + format, + rowstride, + data); + else + { + target_bmp = _cogl_bitmap_new_with_malloc_buffer (ctx, + tex_width, tex_height, + closest_format, + &ignore_error); + if (!target_bmp) + { + cogl_error_free (ignore_error); + return 0; + } + } + + tg_data.target_bits = _cogl_bitmap_map (target_bmp, COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + &ignore_error); + if (tg_data.target_bits) + { + tg_data.meta_texture = texture; + tg_data.orig_width = tex_width; + tg_data.orig_height = tex_height; + tg_data.target_bmp = target_bmp; + tg_data.error = NULL; + tg_data.success = TRUE; + + /* If there are any dependent framebuffers on the texture then we + need to flush their journals so the texture contents will be + up-to-date */ + _cogl_texture_flush_journal_rendering (texture); + + /* Iterating through the subtextures allows piecing together + * the data for a sliced texture, and allows us to do the + * read-from-framebuffer logic here in a simple fashion rather than + * passing offsets down through the code. */ + cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (texture), + 0, 0, 1, 1, + COGL_PIPELINE_WRAP_MODE_REPEAT, + COGL_PIPELINE_WRAP_MODE_REPEAT, + texture_get_cb, + &tg_data); + + _cogl_bitmap_unmap (target_bmp); + } + else + { + cogl_error_free (ignore_error); + tg_data.success = FALSE; + } + + /* XXX: In some cases _cogl_texture_2d_download_from_gl may fail + * to read back the texture data; such as for GLES which doesn't + * support glGetTexImage, so here we fallback to drawing the + * texture and reading the pixels from the framebuffer. */ + if (!tg_data.success) + { + if (!_cogl_texture_draw_and_read (texture, target_bmp, + closest_gl_format, + closest_gl_type, + &ignore_error)) + { + /* We have no more fallbacks so we just give up and + * hope for the best */ + g_warning ("Failed to read texture since draw-and-read " + "fallback failed: %s", ignore_error->message); + cogl_error_free (ignore_error); + cogl_object_unref (target_bmp); + return 0; + } + } + + /* Was intermediate used? */ + if (closest_format != format) + { + CoglBitmap *new_bmp; + CoglBool result; + CoglError *error = NULL; + + /* Convert to requested format directly into the user's buffer */ + new_bmp = cogl_bitmap_new_for_data (ctx, + tex_width, tex_height, + format, + rowstride, + data); + result = _cogl_bitmap_convert_into_bitmap (target_bmp, new_bmp, &error); + + if (!result) + { + cogl_error_free (error); + /* Return failure after cleaning up */ + byte_size = 0; + } + + cogl_object_unref (new_bmp); + } + + cogl_object_unref (target_bmp); + + return byte_size; +} + +static void +_cogl_texture_framebuffer_destroy_cb (void *user_data, + void *instance) +{ + CoglTexture *tex = user_data; + CoglFramebuffer *framebuffer = instance; + + tex->framebuffers = g_list_remove (tex->framebuffers, framebuffer); +} + +void +_cogl_texture_associate_framebuffer (CoglTexture *texture, + CoglFramebuffer *framebuffer) +{ + static CoglUserDataKey framebuffer_destroy_notify_key; + + /* Note: we don't take a reference on the framebuffer here because + * that would introduce a circular reference. */ + texture->framebuffers = g_list_prepend (texture->framebuffers, framebuffer); + + /* Since we haven't taken a reference on the framebuffer we setup + * some private data so we will be notified if it is destroyed... */ + _cogl_object_set_user_data (COGL_OBJECT (framebuffer), + &framebuffer_destroy_notify_key, + texture, + _cogl_texture_framebuffer_destroy_cb); +} + +const GList * +_cogl_texture_get_associated_framebuffers (CoglTexture *texture) +{ + return texture->framebuffers; +} + +void +_cogl_texture_flush_journal_rendering (CoglTexture *texture) +{ + GList *l; + + /* It could be that a referenced texture is part of a framebuffer + * which has an associated journal that must be flushed before it + * can be sampled from by the current primitive... */ + for (l = texture->framebuffers; l; l = l->next) + _cogl_framebuffer_flush_journal (l->data); +} + +/* This function lets you define a meta texture as a grid of textures + * whereby the x and y grid-lines are defined by an array of + * CoglSpans. With that grid based description this function can then + * iterate all the cells of the grid that lye within a region + * specified as virtual, meta-texture, coordinates. This function can + * also cope with regions that extend beyond the original meta-texture + * grid by iterating cells repeatedly according to the wrap_x/y + * arguments. + * + * To differentiate between texture coordinates of a specific, real, + * slice texture and the texture coordinates of a composite, meta + * texture, the coordinates of the meta texture are called "virtual" + * coordinates and the coordinates of spans are called "slice" + * coordinates. + * + * Note: no guarantee is given about the order in which the slices + * will be visited. + * + * Note: The slice coordinates passed to @callback are always + * normalized coordinates even if the span coordinates aren't + * normalized. + */ +void +_cogl_texture_spans_foreach_in_region (CoglSpan *x_spans, + int n_x_spans, + CoglSpan *y_spans, + int n_y_spans, + CoglTexture **textures, + float *virtual_coords, + float x_normalize_factor, + float y_normalize_factor, + CoglPipelineWrapMode wrap_x, + CoglPipelineWrapMode wrap_y, + CoglMetaTextureCallback callback, + void *user_data) +{ + CoglSpanIter iter_x; + CoglSpanIter iter_y; + float slice_coords[4]; + float span_virtual_coords[4]; + + /* Iterate the y axis of the virtual rectangle */ + for (_cogl_span_iter_begin (&iter_y, + y_spans, + n_y_spans, + y_normalize_factor, + virtual_coords[1], + virtual_coords[3], + wrap_y); + !_cogl_span_iter_end (&iter_y); + _cogl_span_iter_next (&iter_y)) + { + if (iter_y.flipped) + { + slice_coords[1] = iter_y.intersect_end; + slice_coords[3] = iter_y.intersect_start; + span_virtual_coords[1] = iter_y.intersect_end; + span_virtual_coords[3] = iter_y.intersect_start; + } + else + { + slice_coords[1] = iter_y.intersect_start; + slice_coords[3] = iter_y.intersect_end; + span_virtual_coords[1] = iter_y.intersect_start; + span_virtual_coords[3] = iter_y.intersect_end; + } + + /* Map the current intersection to normalized slice coordinates */ + slice_coords[1] = (slice_coords[1] - iter_y.pos) / iter_y.span->size; + slice_coords[3] = (slice_coords[3] - iter_y.pos) / iter_y.span->size; + + /* Iterate the x axis of the virtual rectangle */ + for (_cogl_span_iter_begin (&iter_x, + x_spans, + n_x_spans, + x_normalize_factor, + virtual_coords[0], + virtual_coords[2], + wrap_x); + !_cogl_span_iter_end (&iter_x); + _cogl_span_iter_next (&iter_x)) + { + CoglTexture *span_tex; + + if (iter_x.flipped) + { + slice_coords[0] = iter_x.intersect_end; + slice_coords[2] = iter_x.intersect_start; + span_virtual_coords[0] = iter_x.intersect_end; + span_virtual_coords[2] = iter_x.intersect_start; + } + else + { + slice_coords[0] = iter_x.intersect_start; + slice_coords[2] = iter_x.intersect_end; + span_virtual_coords[0] = iter_x.intersect_start; + span_virtual_coords[2] = iter_x.intersect_end; + } + + /* Map the current intersection to normalized slice coordinates */ + slice_coords[0] = (slice_coords[0] - iter_x.pos) / iter_x.span->size; + slice_coords[2] = (slice_coords[2] - iter_x.pos) / iter_x.span->size; + + /* Pluck out the cogl texture for this span */ + span_tex = textures[iter_y.index * n_x_spans + iter_x.index]; + + callback (COGL_TEXTURE (span_tex), + slice_coords, + span_virtual_coords, + user_data); + } + } +} + +void +_cogl_texture_set_allocated (CoglTexture *texture, + CoglPixelFormat internal_format, + int width, + int height) +{ + _cogl_texture_set_internal_format (texture, internal_format); + + texture->width = width; + texture->height = height; + texture->allocated = TRUE; + + _cogl_texture_free_loader (texture); +} + +CoglBool +cogl_texture_allocate (CoglTexture *texture, + CoglError **error) +{ + if (texture->allocated) + return TRUE; + + if (texture->components == COGL_TEXTURE_COMPONENTS_RG && + !cogl_has_feature (texture->context, COGL_FEATURE_ID_TEXTURE_RG)) + _cogl_set_error (error, + COGL_TEXTURE_ERROR, + COGL_TEXTURE_ERROR_FORMAT, + "A red-green texture was requested but the driver " + "does not support them"); + + texture->allocated = texture->vtable->allocate (texture, error); + + return texture->allocated; +} + +void +_cogl_texture_set_internal_format (CoglTexture *texture, + CoglPixelFormat internal_format) +{ + texture->premultiplied = FALSE; + + if (internal_format == COGL_PIXEL_FORMAT_ANY) + internal_format = COGL_PIXEL_FORMAT_RGBA_8888_PRE; + + if (internal_format == COGL_PIXEL_FORMAT_A_8) + { + texture->components = COGL_TEXTURE_COMPONENTS_A; + return; + } + else if (internal_format == COGL_PIXEL_FORMAT_RG_88) + { + texture->components = COGL_TEXTURE_COMPONENTS_RG; + return; + } + else if (internal_format & COGL_DEPTH_BIT) + { + texture->components = COGL_TEXTURE_COMPONENTS_DEPTH; + return; + } + else if (internal_format & COGL_A_BIT) + { + texture->components = COGL_TEXTURE_COMPONENTS_RGBA; + if (internal_format & COGL_PREMULT_BIT) + texture->premultiplied = TRUE; + return; + } + else + texture->components = COGL_TEXTURE_COMPONENTS_RGB; +} + +CoglPixelFormat +_cogl_texture_determine_internal_format (CoglTexture *texture, + CoglPixelFormat src_format) +{ + switch (texture->components) + { + case COGL_TEXTURE_COMPONENTS_DEPTH: + if (src_format & COGL_DEPTH_BIT) + return src_format; + else + { + CoglContext *ctx = texture->context; + + if (_cogl_has_private_feature (ctx, + COGL_PRIVATE_FEATURE_EXT_PACKED_DEPTH_STENCIL) || + _cogl_has_private_feature (ctx, + COGL_PRIVATE_FEATURE_OES_PACKED_DEPTH_STENCIL)) + { + return COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8; + } + else + return COGL_PIXEL_FORMAT_DEPTH_16; + } + case COGL_TEXTURE_COMPONENTS_A: + return COGL_PIXEL_FORMAT_A_8; + case COGL_TEXTURE_COMPONENTS_RG: + return COGL_PIXEL_FORMAT_RG_88; + case COGL_TEXTURE_COMPONENTS_RGB: + if (src_format != COGL_PIXEL_FORMAT_ANY && + !(src_format & COGL_A_BIT) && !(src_format & COGL_DEPTH_BIT)) + return src_format; + else + return COGL_PIXEL_FORMAT_RGB_888; + case COGL_TEXTURE_COMPONENTS_RGBA: + { + CoglPixelFormat format; + + if (src_format != COGL_PIXEL_FORMAT_ANY && + (src_format & COGL_A_BIT) && src_format != COGL_PIXEL_FORMAT_A_8) + format = src_format; + else + format = COGL_PIXEL_FORMAT_RGBA_8888; + + if (texture->premultiplied) + { + if (COGL_PIXEL_FORMAT_CAN_HAVE_PREMULT (format)) + return format |= COGL_PREMULT_BIT; + else + return COGL_PIXEL_FORMAT_RGBA_8888_PRE; + } + else + return format & ~COGL_PREMULT_BIT; + } + } + + g_return_val_if_reached (COGL_PIXEL_FORMAT_RGBA_8888_PRE); +} + +void +cogl_texture_set_components (CoglTexture *texture, + CoglTextureComponents components) +{ + _COGL_RETURN_IF_FAIL (!texture->allocated); + + if (texture->components == components) + return; + + texture->components = components; +} + +CoglTextureComponents +cogl_texture_get_components (CoglTexture *texture) +{ + return texture->components; +} + +void +cogl_texture_set_premultiplied (CoglTexture *texture, + CoglBool premultiplied) +{ + _COGL_RETURN_IF_FAIL (!texture->allocated); + + premultiplied = !!premultiplied; + + if (texture->premultiplied == premultiplied) + return; + + texture->premultiplied = premultiplied; +} + +CoglBool +cogl_texture_get_premultiplied (CoglTexture *texture) +{ + return texture->premultiplied; +} + +void +_cogl_texture_copy_internal_format (CoglTexture *src, + CoglTexture *dest) +{ + cogl_texture_set_components (dest, src->components); + cogl_texture_set_premultiplied (dest, src->premultiplied); +} diff --git a/cogl/cogl-texture.h b/cogl/cogl-texture.h new file mode 100644 index 0000000..2718830 --- /dev/null +++ b/cogl/cogl-texture.h @@ -0,0 +1,524 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_TEXTURE_H__ +#define __COGL_TEXTURE_H__ + +/* We forward declare the CoglTexture type here to avoid some circular + * dependency issues with the following headers. + */ +#ifdef __COGL_H_INSIDE__ +/* For the public C api we typedef interface types as void to avoid needing + * lots of casting in code and instead we will rely on runtime type checking + * for these objects. */ +typedef void CoglTexture; +#else +typedef struct _CoglTexture CoglTexture; +#define COGL_TEXTURE(X) ((CoglTexture *)X) +#endif + +#include +#include +#include +#if defined (COGL_ENABLE_EXPERIMENTAL_API) +#include +#endif +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-texture + * @short_description: Functions for creating and manipulating textures + * + * Cogl allows creating and manipulating textures using a uniform + * API that tries to hide all the various complexities of creating, + * loading and manipulating textures. + */ + +#define COGL_TEXTURE_MAX_WASTE 127 + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_texture_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_texture_get_gtype (void); +#endif + +/** + * COGL_TEXTURE_ERROR: + * + * #CoglError domain for texture errors. + * + * Since: 1.8 + * Stability: Unstable + */ +#define COGL_TEXTURE_ERROR (cogl_texture_error_quark ()) + +/** + * CoglTextureError: + * @COGL_TEXTURE_ERROR_SIZE: Unsupported size + * @COGL_TEXTURE_ERROR_FORMAT: Unsupported format + * @COGL_TEXTURE_ERROR_TYPE: A primitive texture type that is + * unsupported by the driver was used + * + * Error codes that can be thrown when allocating textures. + * + * Since: 1.8 + * Stability: Unstable + */ +typedef enum { + COGL_TEXTURE_ERROR_SIZE, + COGL_TEXTURE_ERROR_FORMAT, + COGL_TEXTURE_ERROR_BAD_PARAMETER, + COGL_TEXTURE_ERROR_TYPE +} CoglTextureError; + +/** + * CoglTextureType: + * @COGL_TEXTURE_TYPE_2D: A #CoglTexture2D + * @COGL_TEXTURE_TYPE_3D: A #CoglTexture3D + * @COGL_TEXTURE_TYPE_RECTANGLE: A #CoglTextureRectangle + * + * Constants representing the underlying hardware texture type of a + * #CoglTexture. + * + * Stability: unstable + * Since: 1.10 + */ +typedef enum { + COGL_TEXTURE_TYPE_2D, + COGL_TEXTURE_TYPE_3D, + COGL_TEXTURE_TYPE_RECTANGLE +} CoglTextureType; + +uint32_t cogl_texture_error_quark (void); + +/** + * cogl_is_texture: + * @object: A #CoglObject pointer + * + * Gets whether the given object references a texture object. + * + * Return value: %TRUE if the @object references a texture, and + * %FALSE otherwise + */ +CoglBool +cogl_is_texture (void *object); + +/** + * CoglTextureComponents: + * @COGL_TEXTURE_COMPONENTS_A: Only the alpha component + * @COGL_TEXTURE_COMPONENTS_RG: Red and green components. Note that + * this can only be used if the %COGL_FEATURE_ID_TEXTURE_RG feature + * is advertised. + * @COGL_TEXTURE_COMPONENTS_RGB: Red, green and blue components + * @COGL_TEXTURE_COMPONENTS_RGBA: Red, green, blue and alpha components + * @COGL_TEXTURE_COMPONENTS_DEPTH: Only a depth component + * + * See cogl_texture_set_components(). + * + * Since: 1.18 + */ +typedef enum _CoglTextureComponents +{ + COGL_TEXTURE_COMPONENTS_A = 1, + COGL_TEXTURE_COMPONENTS_RG, + COGL_TEXTURE_COMPONENTS_RGB, + COGL_TEXTURE_COMPONENTS_RGBA, + COGL_TEXTURE_COMPONENTS_DEPTH +} CoglTextureComponents; + +/** + * cogl_texture_set_components: + * @texture: a #CoglTexture pointer. + * + * Affects the internal storage format for this texture by specifying + * what components will be required for sampling later. + * + * This api affects how data is uploaded to the GPU since unused + * components can potentially be discarded from source data. + * + * For textures created by the ‘_with_size’ constructors the default + * is %COGL_TEXTURE_COMPONENTS_RGBA. The other constructors which take + * a %CoglBitmap or a data pointer default to the same components as + * the pixel format of the data. + * + * Note that the %COGL_TEXTURE_COMPONENTS_RG format is not available + * on all drivers. The availability can be determined by checking for + * the %COGL_FEATURE_ID_TEXTURE_RG feature. If this format is used on + * a driver where it is not available then %COGL_TEXTURE_ERROR_FORMAT + * will be raised when the texture is allocated. Even if the feature + * is not available then %COGL_PIXEL_FORMAT_RG_88 can still be used as + * an image format as long as %COGL_TEXTURE_COMPONENTS_RG isn't used + * as the texture's components. + * + * Since: 1.18 + */ +void +cogl_texture_set_components (CoglTexture *texture, + CoglTextureComponents components); + +/** + * cogl_texture_get_components: + * @texture: a #CoglTexture pointer. + * + * Queries what components the given @texture stores internally as set + * via cogl_texture_set_components(). + * + * For textures created by the ‘_with_size’ constructors the default + * is %COGL_TEXTURE_COMPONENTS_RGBA. The other constructors which take + * a %CoglBitmap or a data pointer default to the same components as + * the pixel format of the data. + * + * Since: 1.18 + */ +CoglTextureComponents +cogl_texture_get_components (CoglTexture *texture); + +/** + * cogl_texture_set_premultiplied: + * @texture: a #CoglTexture pointer. + * @premultiplied: Whether any internally stored red, green or blue + * components are pre-multiplied by an alpha + * component. + * + * Affects the internal storage format for this texture by specifying + * whether red, green and blue color components should be stored as + * pre-multiplied alpha values. + * + * This api affects how data is uploaded to the GPU since Cogl will + * convert source data to have premultiplied or unpremultiplied + * components according to this state. + * + * For example if you create a texture via + * cogl_texture_2d_new_with_size() and then upload data via + * cogl_texture_set_data() passing a source format of + * %COGL_PIXEL_FORMAT_RGBA_8888 then Cogl will internally multiply the + * red, green and blue components of the source data by the alpha + * component, for each pixel so that the internally stored data has + * pre-multiplied alpha components. If you instead upload data that + * already has pre-multiplied components by passing + * %COGL_PIXEL_FORMAT_RGBA_8888_PRE as the source format to + * cogl_texture_set_data() then the data can be uploaded without being + * converted. + * + * By default the @premultipled state is @TRUE. + * + * Since: 1.18 + */ +void +cogl_texture_set_premultiplied (CoglTexture *texture, + CoglBool premultiplied); + +/** + * cogl_texture_get_premultiplied: + * @texture: a #CoglTexture pointer. + * + * Queries the pre-multiplied alpha status for internally stored red, + * green and blue components for the given @texture as set by + * cogl_texture_set_premultiplied(). + * + * By default the pre-multipled state is @TRUE. + * + * Return value: %TRUE if red, green and blue components are + * internally stored pre-multiplied by the alpha + * value or %FALSE if not. + * Since: 1.18 + */ +CoglBool +cogl_texture_get_premultiplied (CoglTexture *texture); + +/** + * cogl_texture_get_width: + * @texture: a #CoglTexture pointer. + * + * Queries the width of a cogl texture. + * + * Return value: the width of the GPU side texture in pixels + */ +unsigned int +cogl_texture_get_width (CoglTexture *texture); + +/** + * cogl_texture_get_height: + * @texture: a #CoglTexture pointer. + * + * Queries the height of a cogl texture. + * + * Return value: the height of the GPU side texture in pixels + */ +unsigned int +cogl_texture_get_height (CoglTexture *texture); + +/** + * cogl_texture_get_max_waste: + * @texture: a #CoglTexture pointer. + * + * Queries the maximum wasted (unused) pixels in one dimension of a GPU side + * texture. + * + * Return value: the maximum waste + */ +int +cogl_texture_get_max_waste (CoglTexture *texture); + +/** + * cogl_texture_is_sliced: + * @texture: a #CoglTexture pointer. + * + * Queries if a texture is sliced (stored as multiple GPU side tecture + * objects). + * + * Return value: %TRUE if the texture is sliced, %FALSE if the texture + * is stored as a single GPU texture + */ +CoglBool +cogl_texture_is_sliced (CoglTexture *texture); + +/** + * cogl_texture_get_gl_texture: + * @texture: a #CoglTexture pointer. + * @out_gl_handle: (out) (allow-none): pointer to return location for the + * textures GL handle, or %NULL. + * @out_gl_target: (out) (allow-none): pointer to return location for the + * GL target type, or %NULL. + * + * Queries the GL handles for a GPU side texture through its #CoglTexture. + * + * If the texture is spliced the data for the first sub texture will be + * queried. + * + * Return value: %TRUE if the handle was successfully retrieved, %FALSE + * if the handle was invalid + */ +CoglBool +cogl_texture_get_gl_texture (CoglTexture *texture, + unsigned int *out_gl_handle, + unsigned int *out_gl_target); + +/** + * cogl_texture_get_data: + * @texture: a #CoglTexture pointer. + * @format: the #CoglPixelFormat to store the texture as. + * @rowstride: the rowstride of @data in bytes or pass 0 to calculate + * from the bytes-per-pixel of @format multiplied by the + * @texture width. + * @data: memory location to write the @texture's contents, or %NULL + * to only query the data size through the return value. + * + * Copies the pixel data from a cogl texture to system memory. + * + * Don't pass the value of cogl_texture_get_rowstride() as the + * @rowstride argument, the rowstride should be the rowstride you + * want for the destination @data buffer not the rowstride of the + * source texture + * + * Return value: the size of the texture data in bytes + */ +int +cogl_texture_get_data (CoglTexture *texture, + CoglPixelFormat format, + unsigned int rowstride, + uint8_t *data); + +/** + * cogl_texture_set_region: + * @texture: a #CoglTexture. + * @src_x: upper left coordinate to use from source data. + * @src_y: upper left coordinate to use from source data. + * @dst_x: upper left destination horizontal coordinate. + * @dst_y: upper left destination vertical coordinate. + * @dst_width: width of destination region to write. (Must be less + * than or equal to @width) + * @dst_height: height of destination region to write. (Must be less + * than or equal to @height) + * @width: width of source data buffer. + * @height: height of source data buffer. + * @format: the #CoglPixelFormat used in the source buffer. + * @rowstride: rowstride of source buffer (computed from width if none + * specified) + * @data: the actual pixel data. + * + * Sets the pixels in a rectangular subregion of @texture from an in-memory + * buffer containing pixel data. + * + * The region set can't be larger than the source @data + * + * Return value: %TRUE if the subregion upload was successful, and + * %FALSE otherwise + */ +CoglBool +cogl_texture_set_region (CoglTexture *texture, + int src_x, + int src_y, + int dst_x, + int dst_y, + unsigned int dst_width, + unsigned int dst_height, + int width, + int height, + CoglPixelFormat format, + unsigned int rowstride, + const uint8_t *data); + +#if defined (COGL_ENABLE_EXPERIMENTAL_API) + +/** + * cogl_texture_set_data: + * @texture a #CoglTexture. + * @format: the #CoglPixelFormat used in the source @data buffer. + * @rowstride: rowstride of the source @data buffer (computed from + * the texture width and @format if it equals 0) + * @data: the source data, pointing to the first top-left pixel to set + * @level: The mipmap level to update (Normally 0 for the largest, + * base texture) + * @error: A #CoglError to return exceptional errors + * + * Sets all the pixels for a given mipmap @level by copying the pixel + * data pointed to by the @data argument into the given @texture. + * + * @data should point to the first pixel to copy corresponding + * to the top left of the mipmap @level being set. + * + * If @rowstride equals 0 then it will be automatically calculated + * from the width of the mipmap level and the bytes-per-pixel for the + * given @format. + * + * A mipmap @level of 0 corresponds to the largest, base image of a + * texture and @level 1 is half the width and height of level 0. If + * dividing any dimension of the previous level by two results in a + * fraction then round the number down (floor()), but clamp to 1 + * something like this: + * + * |[ + * next_width = MAX (1, floor (prev_width)); + * ]| + * + * You can determine the number of mipmap levels for a given texture + * like this: + * + * |[ + * n_levels = 1 + floor (log2 (max_dimension)); + * ]| + * + * Where %max_dimension is the larger of cogl_texture_get_width() and + * cogl_texture_get_height(). + * + * It is an error to pass a @level number >= the number of levels that + * @texture can have according to the above calculation. + * + * Since the storage for a #CoglTexture is allocated lazily then + * if the given @texture has not previously been allocated then this + * api can return %FALSE and throw an exceptional @error if there is + * not enough memory to allocate storage for @texture. + * + * Return value: %TRUE if the data upload was successful, and + * %FALSE otherwise + */ +CoglBool +cogl_texture_set_data (CoglTexture *texture, + CoglPixelFormat format, + int rowstride, + const uint8_t *data, + int level, + CoglError **error); + +/** + * cogl_texture_set_region_from_bitmap: + * @texture: a #CoglTexture pointer + * @src_x: upper left coordinate to use from the source bitmap. + * @src_y: upper left coordinate to use from the source bitmap + * @dst_x: upper left destination horizontal coordinate. + * @dst_y: upper left destination vertical coordinate. + * @dst_width: width of destination region to write. (Must be less + * than or equal to the bitmap width) + * @dst_height: height of destination region to write. (Must be less + * than or equal to the bitmap height) + * @bitmap: The source bitmap to read from + * + * Copies a specified source region from @bitmap to the position + * (@src_x, @src_y) of the given destination texture @handle. + * + * The region updated can't be larger than the source + * bitmap + * + * Return value: %TRUE if the subregion upload was successful, and + * %FALSE otherwise + * + * Since: 1.8 + * Stability: unstable + */ +CoglBool +cogl_texture_set_region_from_bitmap (CoglTexture *texture, + int src_x, + int src_y, + int dst_x, + int dst_y, + unsigned int dst_width, + unsigned int dst_height, + CoglBitmap *bitmap); +#endif + +/** + * cogl_texture_allocate: + * @texture: A #CoglTexture + * @error: A #CoglError to return exceptional errors or %NULL + * + * Explicitly allocates the storage for the given @texture which + * allows you to be sure that there is enough memory for the + * texture and if not then the error can be handled gracefully. + * + * Normally applications don't need to use this api directly + * since the texture will be implicitly allocated when data is set on + * the texture, or if the texture is attached to a #CoglOffscreen + * framebuffer and rendered too. + * + * Return value: %TRUE if the texture was successfully allocated, + * otherwise %FALSE and @error will be updated if it + * wasn't %NULL. + */ +CoglBool +cogl_texture_allocate (CoglTexture *texture, + CoglError **error); + +COGL_END_DECLS + +#endif /* __COGL_TEXTURE_H__ */ diff --git a/cogl/cogl-types.h b/cogl/cogl-types.h new file mode 100644 index 0000000..b4d79c7 --- /dev/null +++ b/cogl/cogl-types.h @@ -0,0 +1,925 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_TYPES_H__ +#define __COGL_TYPES_H__ + +#include +#include + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif /* COGL_HAS_GTYPE_SUPPORT */ + +/* Guard C code in headers, while including them from C++ */ +#ifdef __cplusplus +#define COGL_BEGIN_DECLS extern "C" { +#define COGL_END_DECLS } +#else +#define COGL_BEGIN_DECLS +#define COGL_END_DECLS +#endif + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-types + * @short_description: Types used throughout the library + * + * General types used by various Cogl functions. +*/ + +/** + * CoglBool: + * + * A boolean data type used throughout the Cogl C api. This should be + * used in conjunction with the %TRUE and %FALSE macro defines for + * setting and testing boolean values. + * + * Since: 2.0 + * Stability: stable + */ +typedef int CoglBool; + +/** + * TRUE: + * + * A constant to be used with #CoglBool types to indicate a boolean in + * the "true" state. + * + * Since: 2.0 + * Stability: stable + */ +#ifndef TRUE +#define TRUE 1 +#endif + +/** + * FALSE: + * + * A constant to be used with #CoglBool types to indicate a boolean in + * the "false" state. + * + * Since: 2.0 + * Stability: stable + */ +#ifndef FALSE +#define FALSE 0 +#endif + +#if __GNUC__ >= 4 +#define COGL_GNUC_NULL_TERMINATED __attribute__((__sentinel__)) +#else +#define COGL_GNUC_NULL_TERMINATED +#endif + +#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) && \ + !defined (COGL_COMPILATION) +#define COGL_GNUC_DEPRECATED \ + __attribute__((__deprecated__)) +#else +#define COGL_GNUC_DEPRECATED +#endif /* __GNUC__ */ + +/* Some structures are meant to be opaque but they have public + definitions because we want the size to be public so they can be + allocated on the stack. This macro is used to ensure that users + don't accidentally access private members */ +#ifdef COGL_COMPILATION +#define COGL_PRIVATE(x) x +#else +#define COGL_PRIVATE(x) private_member_ ## x +#endif + +/* To help catch accidental changes to public structs that should + * be stack allocated we use this macro to compile time assert that + * a struct size is as expected. + */ +#define COGL_STRUCT_SIZE_ASSERT(TYPE, SIZE) \ +typedef struct { \ + char compile_time_assert_ ## TYPE ## _size[ \ + (sizeof (TYPE) == (SIZE)) ? 1 : -1]; \ + } _ ## TYPE ## SizeCheck + +/** + * CoglHandle: + * + * Type used for storing references to cogl objects, the CoglHandle is + * a fully opaque type without any public data members. + */ +typedef void * CoglHandle; + +/** + * COGL_INVALID_HANDLE: + * + * A COGL handle that is not valid, used for unitialized handles as well as + * error conditions. + */ +#define COGL_INVALID_HANDLE NULL + +#ifdef COGL_HAS_GTYPE_SUPPORT + +#define COGL_TYPE_HANDLE (cogl_handle_get_type ()) +GType +cogl_handle_get_type (void) G_GNUC_CONST; + +#endif /* COGL_HAS_GTYPE_SUPPORT */ + +/** + * cogl_handle_ref: + * @handle: a #CoglHandle + * + * Increases the reference count of @handle by 1 + * + * Return value: (transfer none): the handle, with its reference count increased + */ +CoglHandle +cogl_handle_ref (CoglHandle handle); + +/** + * cogl_handle_unref: + * @handle: a #CoglHandle + * + * Drecreases the reference count of @handle by 1; if the reference + * count reaches 0, the resources allocated by @handle will be freed + */ +void +cogl_handle_unref (CoglHandle handle); + +/** + * CoglFuncPtr: + * + * The type used by cogl for function pointers, note that this type + * is used as a generic catch-all cast for function pointers and the + * actual arguments and return type may be different. + */ +typedef void (* CoglFuncPtr) (void); + +/* We forward declare this in cogl-types to avoid circular dependencies + * between cogl-matrix.h, cogl-euler.h and cogl-quaterion.h */ +typedef struct _CoglMatrix CoglMatrix; + +/* Same as above we forward declared CoglQuaternion to avoid + * circular dependencies. */ +typedef struct _CoglQuaternion CoglQuaternion; + +/* Same as above we forward declared CoglEuler to avoid + * circular dependencies. */ +typedef struct _CoglEuler CoglEuler; + +/** + * CoglFixed: + * + * Fixed point number using a (16.16) notation. + */ +typedef int32_t CoglFixed; + +#define COGL_TYPE_FIXED (cogl_fixed_get_type ()) +GType +cogl_fixed_get_type (void) G_GNUC_CONST; + +/** + * CoglAngle: + * + * Integer representation of an angle such that 1024 corresponds to + * full circle (i.e., 2 * pi). + * + * Since: 1.0 + */ +typedef int32_t CoglAngle; + +typedef struct _CoglColor CoglColor; +typedef struct _CoglTextureVertex CoglTextureVertex; + +/* Enum declarations */ + +#define COGL_A_BIT (1 << 4) +#define COGL_BGR_BIT (1 << 5) +#define COGL_AFIRST_BIT (1 << 6) +#define COGL_PREMULT_BIT (1 << 7) +#define COGL_DEPTH_BIT (1 << 8) +#define COGL_STENCIL_BIT (1 << 9) + +/* XXX: Notes to those adding new formats here... + * + * First this diagram outlines how we allocate the 32bits of a + * CoglPixelFormat currently... + * + * 6 bits for flags + * |-----| + * enum unused 4 bits for the bytes-per-pixel + * and component alignment info + * |------| |-------------| |--| + * 00000000 xxxxxxxx xxxxxxSD PFBA0000 + * ^ stencil + * ^ depth + * ^ premult + * ^ alpha first + * ^ bgr order + * ^ has alpha + * + * The most awkward part about the formats is how we use the last 4 + * bits to encode the bytes per pixel and component alignment + * information. Ideally we should have had 3 bits for the bpp and a + * flag for alignment but we didn't plan for that in advance so we + * instead use a small lookup table to query the bpp and whether the + * components are byte aligned or not. + * + * The mapping is the following (see discussion on bug #660188): + * + * 0 = undefined + * 1, 8 = 1 bpp (e.g. A_8, G_8) + * 2 = 3 bpp, aligned (e.g. 888) + * 3 = 4 bpp, aligned (e.g. 8888) + * 4-6 = 2 bpp, not aligned (e.g. 565, 4444, 5551) + * 7 = YUV: undefined bpp, undefined alignment + * 9 = 2 bpp, aligned + * 10 = depth, aligned (8, 16, 24, 32, 32f) + * 11 = undefined + * 12 = 3 bpp, not aligned + * 13 = 4 bpp, not aligned (e.g. 2101010) + * 14-15 = undefined + * + * Note: the gap at 10-11 is just because we wanted to maintain that + * all non-aligned formats have the third bit set in case that's + * useful later. + * + * Since we don't want to waste bits adding more and more flags, we'd + * like to see most new pixel formats that can't be represented + * uniquely with the existing flags in the least significant byte + * simply be enumerated with sequential values in the most significant + * enum byte. + * + * Note: Cogl avoids exposing any padded XRGB or RGBX formats and + * instead we leave it up to applications to decided whether they + * consider the A component as padding or valid data. We shouldn't + * change this policy without good reasoning. + * + * So to add a new format: + * 1) Use the mapping table above to figure out what to but in + * the lowest nibble. + * 2) OR in the COGL_PREMULT_BIT, COGL_AFIRST_BIT, COGL_A_BIT and + * COGL_BGR_BIT flags as appropriate. + * 3) If the result is not yet unique then also combine with an + * increment of the last sequence number in the most significant + * byte. + * + * The last sequence number used was 0 (i.e. no formats currently need + * a sequence number) + * Update this note whenever a new sequence number is used. + */ +/** + * CoglPixelFormat: + * @COGL_PIXEL_FORMAT_ANY: Any format + * @COGL_PIXEL_FORMAT_A_8: 8 bits alpha mask + * @COGL_PIXEL_FORMAT_RG_88: RG, 16 bits. Note that red-green textures + * are only available if %COGL_FEATURE_ID_TEXTURE_RG is advertised. + * See cogl_texture_set_components() for details. + * @COGL_PIXEL_FORMAT_RGB_565: RGB, 16 bits + * @COGL_PIXEL_FORMAT_RGBA_4444: RGBA, 16 bits + * @COGL_PIXEL_FORMAT_RGBA_5551: RGBA, 16 bits + * @COGL_PIXEL_FORMAT_YUV: Not currently supported + * @COGL_PIXEL_FORMAT_G_8: Single luminance component + * @COGL_PIXEL_FORMAT_RGB_888: RGB, 24 bits + * @COGL_PIXEL_FORMAT_BGR_888: BGR, 24 bits + * @COGL_PIXEL_FORMAT_RGBA_8888: RGBA, 32 bits + * @COGL_PIXEL_FORMAT_BGRA_8888: BGRA, 32 bits + * @COGL_PIXEL_FORMAT_ARGB_8888: ARGB, 32 bits + * @COGL_PIXEL_FORMAT_ABGR_8888: ABGR, 32 bits + * @COGL_PIXEL_FORMAT_RGBA_1010102 : RGBA, 32 bits, 10 bpc + * @COGL_PIXEL_FORMAT_BGRA_1010102 : BGRA, 32 bits, 10 bpc + * @COGL_PIXEL_FORMAT_ARGB_2101010 : ARGB, 32 bits, 10 bpc + * @COGL_PIXEL_FORMAT_ABGR_2101010 : ABGR, 32 bits, 10 bpc + * @COGL_PIXEL_FORMAT_RGBA_8888_PRE: Premultiplied RGBA, 32 bits + * @COGL_PIXEL_FORMAT_BGRA_8888_PRE: Premultiplied BGRA, 32 bits + * @COGL_PIXEL_FORMAT_ARGB_8888_PRE: Premultiplied ARGB, 32 bits + * @COGL_PIXEL_FORMAT_ABGR_8888_PRE: Premultiplied ABGR, 32 bits + * @COGL_PIXEL_FORMAT_RGBA_4444_PRE: Premultiplied RGBA, 16 bits + * @COGL_PIXEL_FORMAT_RGBA_5551_PRE: Premultiplied RGBA, 16 bits + * @COGL_PIXEL_FORMAT_RGBA_1010102_PRE: Premultiplied RGBA, 32 bits, 10 bpc + * @COGL_PIXEL_FORMAT_BGRA_1010102_PRE: Premultiplied BGRA, 32 bits, 10 bpc + * @COGL_PIXEL_FORMAT_ARGB_2101010_PRE: Premultiplied ARGB, 32 bits, 10 bpc + * @COGL_PIXEL_FORMAT_ABGR_2101010_PRE: Premultiplied ABGR, 32 bits, 10 bpc + * + * Pixel formats used by Cogl. For the formats with a byte per + * component, the order of the components specify the order in + * increasing memory addresses. So for example + * %COGL_PIXEL_FORMAT_RGB_888 would have the red component in the + * lowest address, green in the next address and blue after that + * regardless of the endianness of the system. + * + * For the formats with non byte aligned components the component + * order specifies the order within a 16-bit or 32-bit number from + * most significant bit to least significant. So for + * %COGL_PIXEL_FORMAT_RGB_565, the red component would be in bits + * 11-15, the green component would be in 6-11 and the blue component + * would be in 1-5. Therefore the order in memory depends on the + * endianness of the system. + * + * When uploading a texture %COGL_PIXEL_FORMAT_ANY can be used as the + * internal format. Cogl will try to pick the best format to use + * internally and convert the texture data if necessary. + * + * Since: 0.8 + */ +typedef enum { /*< prefix=COGL_PIXEL_FORMAT >*/ + COGL_PIXEL_FORMAT_ANY = 0, + COGL_PIXEL_FORMAT_A_8 = 1 | COGL_A_BIT, + + COGL_PIXEL_FORMAT_RGB_565 = 4, + COGL_PIXEL_FORMAT_RGBA_4444 = 5 | COGL_A_BIT, + COGL_PIXEL_FORMAT_RGBA_5551 = 6 | COGL_A_BIT, + COGL_PIXEL_FORMAT_YUV = 7, + COGL_PIXEL_FORMAT_G_8 = 8, + + COGL_PIXEL_FORMAT_RG_88 = 9, + + COGL_PIXEL_FORMAT_RGB_888 = 2, + COGL_PIXEL_FORMAT_BGR_888 = (2 | COGL_BGR_BIT), + + COGL_PIXEL_FORMAT_RGBA_8888 = (3 | COGL_A_BIT), + COGL_PIXEL_FORMAT_BGRA_8888 = (3 | COGL_A_BIT | COGL_BGR_BIT), + COGL_PIXEL_FORMAT_ARGB_8888 = (3 | COGL_A_BIT | COGL_AFIRST_BIT), + COGL_PIXEL_FORMAT_ABGR_8888 = (3 | COGL_A_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT), + + COGL_PIXEL_FORMAT_RGBA_1010102 = (13 | COGL_A_BIT), + COGL_PIXEL_FORMAT_BGRA_1010102 = (13 | COGL_A_BIT | COGL_BGR_BIT), + COGL_PIXEL_FORMAT_ARGB_2101010 = (13 | COGL_A_BIT | COGL_AFIRST_BIT), + COGL_PIXEL_FORMAT_ABGR_2101010 = (13 | COGL_A_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT), + + COGL_PIXEL_FORMAT_RGBA_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT), + COGL_PIXEL_FORMAT_BGRA_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT | COGL_BGR_BIT), + COGL_PIXEL_FORMAT_ARGB_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT | COGL_AFIRST_BIT), + COGL_PIXEL_FORMAT_ABGR_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT), + COGL_PIXEL_FORMAT_RGBA_4444_PRE = (COGL_PIXEL_FORMAT_RGBA_4444 | COGL_A_BIT | COGL_PREMULT_BIT), + COGL_PIXEL_FORMAT_RGBA_5551_PRE = (COGL_PIXEL_FORMAT_RGBA_5551 | COGL_A_BIT | COGL_PREMULT_BIT), + + COGL_PIXEL_FORMAT_RGBA_1010102_PRE = (COGL_PIXEL_FORMAT_RGBA_1010102 | COGL_PREMULT_BIT), + COGL_PIXEL_FORMAT_BGRA_1010102_PRE = (COGL_PIXEL_FORMAT_BGRA_1010102 | COGL_PREMULT_BIT), + COGL_PIXEL_FORMAT_ARGB_2101010_PRE = (COGL_PIXEL_FORMAT_ARGB_2101010 | COGL_PREMULT_BIT), + COGL_PIXEL_FORMAT_ABGR_2101010_PRE = (COGL_PIXEL_FORMAT_ABGR_2101010 | COGL_PREMULT_BIT), + + COGL_PIXEL_FORMAT_DEPTH_16 = (9 | COGL_DEPTH_BIT), + COGL_PIXEL_FORMAT_DEPTH_32 = (3 | COGL_DEPTH_BIT), + + COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8 = (3 | COGL_DEPTH_BIT | COGL_STENCIL_BIT) +} CoglPixelFormat; + +/** + * CoglFeatureFlags: + * @COGL_FEATURE_TEXTURE_RECTANGLE: ARB_texture_rectangle support + * @COGL_FEATURE_TEXTURE_NPOT: Non power of two textures are supported + * by the hardware. This is a equivalent to the + * %COGL_FEATURE_TEXTURE_NPOT_BASIC, %COGL_FEATURE_TEXTURE_NPOT_MIPMAP + * and %COGL_FEATURE_TEXTURE_NPOT_REPEAT features combined. + * @COGL_FEATURE_TEXTURE_YUV: ycbcr conversion support + * @COGL_FEATURE_TEXTURE_READ_PIXELS: glReadPixels() support + * @COGL_FEATURE_SHADERS_GLSL: GLSL support + * @COGL_FEATURE_SHADERS_ARBFP: ARBFP support + * @COGL_FEATURE_OFFSCREEN: FBO support + * @COGL_FEATURE_OFFSCREEN_MULTISAMPLE: Multisample support on FBOs + * @COGL_FEATURE_OFFSCREEN_BLIT: Blit support on FBOs + * @COGL_FEATURE_FOUR_CLIP_PLANES: At least 4 clip planes available + * @COGL_FEATURE_STENCIL_BUFFER: Stencil buffer support + * @COGL_FEATURE_VBOS: VBO support + * @COGL_FEATURE_PBOS: PBO support + * @COGL_FEATURE_UNSIGNED_INT_INDICES: Set if + * %COGL_INDICES_TYPE_UNSIGNED_INT is supported in + * cogl_vertex_buffer_indices_new(). + * @COGL_FEATURE_DEPTH_RANGE: cogl_material_set_depth_range() support + * @COGL_FEATURE_TEXTURE_NPOT_BASIC: The hardware supports non power + * of two textures, but you also need to check the + * %COGL_FEATURE_TEXTURE_NPOT_MIPMAP and %COGL_FEATURE_TEXTURE_NPOT_REPEAT + * features to know if the hardware supports npot texture mipmaps + * or repeat modes other than + * %COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE respectively. + * @COGL_FEATURE_TEXTURE_NPOT_MIPMAP: Mipmapping is supported in + * conjuntion with non power of two textures. + * @COGL_FEATURE_TEXTURE_NPOT_REPEAT: Repeat modes other than + * %COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE are supported by the + * hardware. + * @COGL_FEATURE_POINT_SPRITE: Whether + * cogl_material_set_layer_point_sprite_coords_enabled() is supported. + * @COGL_FEATURE_TEXTURE_3D: 3D texture support + * @COGL_FEATURE_MAP_BUFFER_FOR_READ: Whether cogl_buffer_map() is + * supported with CoglBufferAccess including read support. + * @COGL_FEATURE_MAP_BUFFER_FOR_WRITE: Whether cogl_buffer_map() is + * supported with CoglBufferAccess including write support. + * @COGL_FEATURE_DEPTH_TEXTURE: Whether #CoglFramebuffer support rendering the + * depth buffer to a texture. + * + * Flags for the supported features. + * + * Since: 0.8 + */ +typedef enum +{ + COGL_FEATURE_TEXTURE_RECTANGLE = (1 << 1), + COGL_FEATURE_TEXTURE_NPOT = (1 << 2), + COGL_FEATURE_TEXTURE_YUV = (1 << 3), + COGL_FEATURE_TEXTURE_READ_PIXELS = (1 << 4), + COGL_FEATURE_SHADERS_GLSL = (1 << 5), + COGL_FEATURE_OFFSCREEN = (1 << 6), + COGL_FEATURE_OFFSCREEN_MULTISAMPLE = (1 << 7), + COGL_FEATURE_OFFSCREEN_BLIT = (1 << 8), + COGL_FEATURE_FOUR_CLIP_PLANES = (1 << 9), + COGL_FEATURE_STENCIL_BUFFER = (1 << 10), + COGL_FEATURE_VBOS = (1 << 11), + COGL_FEATURE_PBOS = (1 << 12), + COGL_FEATURE_UNSIGNED_INT_INDICES = (1 << 13), + COGL_FEATURE_DEPTH_RANGE = (1 << 14), + COGL_FEATURE_TEXTURE_NPOT_BASIC = (1 << 15), + COGL_FEATURE_TEXTURE_NPOT_MIPMAP = (1 << 16), + COGL_FEATURE_TEXTURE_NPOT_REPEAT = (1 << 17), + COGL_FEATURE_POINT_SPRITE = (1 << 18), + COGL_FEATURE_TEXTURE_3D = (1 << 19), + COGL_FEATURE_SHADERS_ARBFP = (1 << 20), + COGL_FEATURE_MAP_BUFFER_FOR_READ = (1 << 21), + COGL_FEATURE_MAP_BUFFER_FOR_WRITE = (1 << 22), + COGL_FEATURE_ONSCREEN_MULTIPLE = (1 << 23), + COGL_FEATURE_DEPTH_TEXTURE = (1 << 24) +} CoglFeatureFlags; + +/** + * CoglBufferTarget: + * @COGL_WINDOW_BUFFER: FIXME + * @COGL_OFFSCREEN_BUFFER: FIXME + * + * Target flags for FBOs. + * + * Since: 0.8 + */ +typedef enum +{ + COGL_WINDOW_BUFFER = (1 << 1), + COGL_OFFSCREEN_BUFFER = (1 << 2) +} CoglBufferTarget; + +/** + * CoglColor: + * @red: amount of red + * @green: amount of green + * @blue: amount of green + * @alpha: alpha + * + * A structure for holding a color definition. The contents of + * the CoglColor structure are private and should never by accessed + * directly. + * + * Since: 1.0 + */ +struct _CoglColor +{ + /*< private >*/ + uint8_t COGL_PRIVATE (red); + uint8_t COGL_PRIVATE (green); + uint8_t COGL_PRIVATE (blue); + + uint8_t COGL_PRIVATE (alpha); + + /* padding in case we want to change to floats at + * some point */ + uint32_t COGL_PRIVATE (padding0); + uint32_t COGL_PRIVATE (padding1); + uint32_t COGL_PRIVATE (padding2); +}; +COGL_STRUCT_SIZE_ASSERT (CoglColor, 16); + +/** + * CoglTextureVertex: + * @x: Model x-coordinate + * @y: Model y-coordinate + * @z: Model z-coordinate + * @tx: Texture x-coordinate + * @ty: Texture y-coordinate + * @color: The color to use at this vertex. This is ignored if + * use_color is %FALSE when calling cogl_polygon() + * + * Used to specify vertex information when calling cogl_polygon() + */ +struct _CoglTextureVertex +{ + float x, y, z; + float tx, ty; + + CoglColor color; +}; +COGL_STRUCT_SIZE_ASSERT (CoglTextureVertex, 36); + +/** + * CoglTextureFlags: + * @COGL_TEXTURE_NONE: No flags specified + * @COGL_TEXTURE_NO_AUTO_MIPMAP: Disables the automatic generation of + * the mipmap pyramid from the base level image whenever it is + * updated. The mipmaps are only generated when the texture is + * rendered with a mipmap filter so it should be free to leave out + * this flag when using other filtering modes + * @COGL_TEXTURE_NO_SLICING: Disables the slicing of the texture + * @COGL_TEXTURE_NO_ATLAS: Disables the insertion of the texture inside + * the texture atlas used by Cogl + * + * Flags to pass to the cogl_texture_new_* family of functions. + * + * Since: 1.0 + */ +typedef enum { + COGL_TEXTURE_NONE = 0, + COGL_TEXTURE_NO_AUTO_MIPMAP = 1 << 0, + COGL_TEXTURE_NO_SLICING = 1 << 1, + COGL_TEXTURE_NO_ATLAS = 1 << 2 +} CoglTextureFlags; + +/** + * CoglFogMode: + * @COGL_FOG_MODE_LINEAR: Calculates the fog blend factor as: + * |[ + * f = end - eye_distance / end - start + * ]| + * @COGL_FOG_MODE_EXPONENTIAL: Calculates the fog blend factor as: + * |[ + * f = e ^ -(density * eye_distance) + * ]| + * @COGL_FOG_MODE_EXPONENTIAL_SQUARED: Calculates the fog blend factor as: + * |[ + * f = e ^ -(density * eye_distance)^2 + * ]| + * + * The fog mode determines the equation used to calculate the fogging blend + * factor while fogging is enabled. The simplest %COGL_FOG_MODE_LINEAR mode + * determines f as: + * + * |[ + * f = end - eye_distance / end - start + * ]| + * + * Where eye_distance is the distance of the current fragment in eye + * coordinates from the origin. + * + * Since: 1.0 + */ +typedef enum { + COGL_FOG_MODE_LINEAR, + COGL_FOG_MODE_EXPONENTIAL, + COGL_FOG_MODE_EXPONENTIAL_SQUARED +} CoglFogMode; + +/** + * COGL_BLEND_STRING_ERROR: + * + * #CoglError domain for blend string parser errors + * + * Since: 1.0 + */ +#define COGL_BLEND_STRING_ERROR (cogl_blend_string_error_quark ()) + +/** + * CoglBlendStringError: + * @COGL_BLEND_STRING_ERROR_PARSE_ERROR: Generic parse error + * @COGL_BLEND_STRING_ERROR_ARGUMENT_PARSE_ERROR: Argument parse error + * @COGL_BLEND_STRING_ERROR_INVALID_ERROR: Internal parser error + * @COGL_BLEND_STRING_ERROR_GPU_UNSUPPORTED_ERROR: Blend string not + * supported by the GPU + * + * Error enumeration for the blend strings parser + * + * Since: 1.0 + */ +typedef enum { /*< prefix=COGL_BLEND_STRING_ERROR >*/ + COGL_BLEND_STRING_ERROR_PARSE_ERROR, + COGL_BLEND_STRING_ERROR_ARGUMENT_PARSE_ERROR, + COGL_BLEND_STRING_ERROR_INVALID_ERROR, + COGL_BLEND_STRING_ERROR_GPU_UNSUPPORTED_ERROR +} CoglBlendStringError; + +uint32_t +cogl_blend_string_error_quark (void); + +#define COGL_SYSTEM_ERROR (_cogl_system_error_quark ()) + +/** + * CoglSystemError: + * @COGL_SYSTEM_ERROR_UNSUPPORTED: You tried to use a feature or + * configuration not currently available. + * @COGL_SYSTEM_ERROR_NO_MEMORY: You tried to allocate a resource + * such as a texture and there wasn't enough memory. + * + * Error enumeration for Cogl + * + * The @COGL_SYSTEM_ERROR_UNSUPPORTED error can be thrown for a + * variety of reasons. For example: + * + * + * You've tried to use a feature that is not + * advertised by cogl_has_feature(). This could happen if you create + * a 2d texture with a non-power-of-two size when + * %COGL_FEATURE_ID_TEXTURE_NPOT is not advertised. + * The GPU can not handle the configuration you have + * requested. An example might be if you try to use too many texture + * layers in a single #CoglPipeline + * The driver does not support some + * configuration. + * + * + * Currently this is only used by Cogl API marked as experimental so + * this enum should also be considered experimental. + * + * Since: 1.4 + * Stability: unstable + */ +typedef enum { /*< prefix=COGL_ERROR >*/ + COGL_SYSTEM_ERROR_UNSUPPORTED, + COGL_SYSTEM_ERROR_NO_MEMORY +} CoglSystemError; + +uint32_t +_cogl_system_error_quark (void); + +/** + * CoglAttributeType: + * @COGL_ATTRIBUTE_TYPE_BYTE: Data is the same size of a byte + * @COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE: Data is the same size of an + * unsigned byte + * @COGL_ATTRIBUTE_TYPE_SHORT: Data is the same size of a short integer + * @COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT: Data is the same size of + * an unsigned short integer + * @COGL_ATTRIBUTE_TYPE_FLOAT: Data is the same size of a float + * + * Data types for the components of a vertex attribute. + * + * Since: 1.0 + */ +typedef enum { + COGL_ATTRIBUTE_TYPE_BYTE = 0x1400, + COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE = 0x1401, + COGL_ATTRIBUTE_TYPE_SHORT = 0x1402, + COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT = 0x1403, + COGL_ATTRIBUTE_TYPE_FLOAT = 0x1406 +} CoglAttributeType; + +/** + * CoglIndicesType: + * @COGL_INDICES_TYPE_UNSIGNED_BYTE: Your indices are unsigned bytes + * @COGL_INDICES_TYPE_UNSIGNED_SHORT: Your indices are unsigned shorts + * @COGL_INDICES_TYPE_UNSIGNED_INT: Your indices are unsigned ints + * + * You should aim to use the smallest data type that gives you enough + * range, since it reduces the size of your index array and can help + * reduce the demand on memory bandwidth. + * + * Note that %COGL_INDICES_TYPE_UNSIGNED_INT is only supported if the + * %COGL_FEATURE_ID_UNSIGNED_INT_INDICES feature is available. This + * should always be available on OpenGL but on OpenGL ES it will only + * be available if the GL_OES_element_index_uint extension is + * advertized. + */ +typedef enum { + COGL_INDICES_TYPE_UNSIGNED_BYTE, + COGL_INDICES_TYPE_UNSIGNED_SHORT, + COGL_INDICES_TYPE_UNSIGNED_INT +} CoglIndicesType; + +/** + * CoglVerticesMode: + * @COGL_VERTICES_MODE_POINTS: FIXME, equivalent to + * GL_POINTS + * @COGL_VERTICES_MODE_LINES: FIXME, equivalent to GL_LINES + * @COGL_VERTICES_MODE_LINE_LOOP: FIXME, equivalent to + * GL_LINE_LOOP + * @COGL_VERTICES_MODE_LINE_STRIP: FIXME, equivalent to + * GL_LINE_STRIP + * @COGL_VERTICES_MODE_TRIANGLES: FIXME, equivalent to + * GL_TRIANGLES + * @COGL_VERTICES_MODE_TRIANGLE_STRIP: FIXME, equivalent to + * GL_TRIANGLE_STRIP + * @COGL_VERTICES_MODE_TRIANGLE_FAN: FIXME, equivalent to GL_TRIANGLE_FAN + * + * Different ways of interpreting vertices when drawing. + * + * Since: 1.0 + */ +typedef enum { + COGL_VERTICES_MODE_POINTS = 0x0000, + COGL_VERTICES_MODE_LINES = 0x0001, + COGL_VERTICES_MODE_LINE_LOOP = 0x0002, + COGL_VERTICES_MODE_LINE_STRIP = 0x0003, + COGL_VERTICES_MODE_TRIANGLES = 0x0004, + COGL_VERTICES_MODE_TRIANGLE_STRIP = 0x0005, + COGL_VERTICES_MODE_TRIANGLE_FAN = 0x0006 +} CoglVerticesMode; + +/* NB: The above definitions are taken from gl.h equivalents */ + + +/* XXX: should this be CoglMaterialDepthTestFunction? + * It makes it very verbose but would be consistent with + * CoglMaterialWrapMode */ + +/** + * CoglDepthTestFunction: + * @COGL_DEPTH_TEST_FUNCTION_NEVER: Never passes. + * @COGL_DEPTH_TEST_FUNCTION_LESS: Passes if the fragment's depth + * value is less than the value currently in the depth buffer. + * @COGL_DEPTH_TEST_FUNCTION_EQUAL: Passes if the fragment's depth + * value is equal to the value currently in the depth buffer. + * @COGL_DEPTH_TEST_FUNCTION_LEQUAL: Passes if the fragment's depth + * value is less or equal to the value currently in the depth buffer. + * @COGL_DEPTH_TEST_FUNCTION_GREATER: Passes if the fragment's depth + * value is greater than the value currently in the depth buffer. + * @COGL_DEPTH_TEST_FUNCTION_NOTEQUAL: Passes if the fragment's depth + * value is not equal to the value currently in the depth buffer. + * @COGL_DEPTH_TEST_FUNCTION_GEQUAL: Passes if the fragment's depth + * value greater than or equal to the value currently in the depth buffer. + * @COGL_DEPTH_TEST_FUNCTION_ALWAYS: Always passes. + * + * When using depth testing one of these functions is used to compare + * the depth of an incoming fragment against the depth value currently + * stored in the depth buffer. The function is changed using + * cogl_depth_state_set_test_function(). + * + * The test is only done when depth testing is explicitly enabled. (See + * cogl_depth_state_set_test_enabled()) + */ +typedef enum { + COGL_DEPTH_TEST_FUNCTION_NEVER = 0x0200, + COGL_DEPTH_TEST_FUNCTION_LESS = 0x0201, + COGL_DEPTH_TEST_FUNCTION_EQUAL = 0x0202, + COGL_DEPTH_TEST_FUNCTION_LEQUAL = 0x0203, + COGL_DEPTH_TEST_FUNCTION_GREATER = 0x0204, + COGL_DEPTH_TEST_FUNCTION_NOTEQUAL = 0x0205, + COGL_DEPTH_TEST_FUNCTION_GEQUAL = 0x0206, + COGL_DEPTH_TEST_FUNCTION_ALWAYS = 0x0207 +} CoglDepthTestFunction; +/* NB: The above definitions are taken from gl.h equivalents */ + +typedef enum { /*< prefix=COGL_RENDERER_ERROR >*/ + COGL_RENDERER_ERROR_XLIB_DISPLAY_OPEN, + COGL_RENDERER_ERROR_BAD_CONSTRAINT +} CoglRendererError; + +/** + * CoglFilterReturn: + * @COGL_FILTER_CONTINUE: The event was not handled, continues the + * processing + * @COGL_FILTER_REMOVE: Remove the event, stops the processing + * + * Return values for the #CoglXlibFilterFunc and #CoglWin32FilterFunc functions. + * + * Stability: Unstable + */ +typedef enum _CoglFilterReturn { /*< prefix=COGL_FILTER >*/ + COGL_FILTER_CONTINUE, + COGL_FILTER_REMOVE +} CoglFilterReturn; + +typedef enum _CoglWinsysFeature +{ + /* Available if the window system can support multiple onscreen + * framebuffers at the same time. */ + COGL_WINSYS_FEATURE_MULTIPLE_ONSCREEN, + + /* Available if onscreen framebuffer swaps can be automatically + * throttled to the vblank frequency. */ + COGL_WINSYS_FEATURE_SWAP_THROTTLE, + + /* Available if its possible to query a counter that + * increments at each vblank. */ + COGL_WINSYS_FEATURE_VBLANK_COUNTER, + + /* Available if its possible to wait until the next vertical + * blank period */ + COGL_WINSYS_FEATURE_VBLANK_WAIT, + + /* Available if the window system supports mapping native + * pixmaps to textures. */ + COGL_WINSYS_FEATURE_TEXTURE_FROM_PIXMAP, + + /* Available if the window system supports reporting an event + * for swap buffer completions. */ + COGL_WINSYS_FEATURE_SWAP_BUFFERS_EVENT, + + /* Available if it's possible to swap a list of sub rectangles + * from the back buffer to the front buffer */ + COGL_WINSYS_FEATURE_SWAP_REGION, + + /* Available if swap_region requests can be automatically throttled + * to the vblank frequency. */ + COGL_WINSYS_FEATURE_SWAP_REGION_THROTTLE, + + /* Available if the swap region implementation won't tear and thus + * only needs to be throttled to the framerate */ + COGL_WINSYS_FEATURE_SWAP_REGION_SYNCHRONIZED, + + /* Avaiable if the age of the back buffer can be queried */ + COGL_WINSYS_FEATURE_BUFFER_AGE, + + /* Avaiable if the winsys directly handles _SYNC and _COMPLETE events */ + COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT, + + COGL_WINSYS_FEATURE_N_FEATURES +} CoglWinsysFeature; + +/** + * CoglColorMask: + * @COGL_COLOR_MASK_NONE: None of the color channels are masked + * @COGL_COLOR_MASK_RED: Masks the red color channel + * @COGL_COLOR_MASK_GREEN: Masks the green color channel + * @COGL_COLOR_MASK_BLUE: Masks the blue color channel + * @COGL_COLOR_MASK_ALPHA: Masks the alpha color channel + * @COGL_COLOR_MASK_ALL: All of the color channels are masked + * + * Defines a bit mask of color channels. This can be used with + * cogl_pipeline_set_color_mask() for example to define which color + * channels should be written to the current framebuffer when + * drawing something. + */ +typedef enum +{ + COGL_COLOR_MASK_NONE = 0, + COGL_COLOR_MASK_RED = 1L<<0, + COGL_COLOR_MASK_GREEN = 1L<<1, + COGL_COLOR_MASK_BLUE = 1L<<2, + COGL_COLOR_MASK_ALPHA = 1L<<3, + /* XXX: glib-mkenums is a perl script that can't cope if we split + * this onto multiple lines! *sigh* */ + COGL_COLOR_MASK_ALL = (COGL_COLOR_MASK_RED | COGL_COLOR_MASK_GREEN | COGL_COLOR_MASK_BLUE | COGL_COLOR_MASK_ALPHA) +} CoglColorMask; + +/** + * CoglWinding: + * @COGL_WINDING_CLOCKWISE: Vertices are in a clockwise order + * @COGL_WINDING_COUNTER_CLOCKWISE: Vertices are in a counter-clockwise order + * + * Enum used to represent the two directions of rotation. This can be + * used to set the front face for culling by calling + * cogl_pipeline_set_front_face_winding(). + */ +typedef enum +{ + COGL_WINDING_CLOCKWISE, + COGL_WINDING_COUNTER_CLOCKWISE +} CoglWinding; + +/** + * CoglBufferBit: + * @COGL_BUFFER_BIT_COLOR: Selects the primary color buffer + * @COGL_BUFFER_BIT_DEPTH: Selects the depth buffer + * @COGL_BUFFER_BIT_STENCIL: Selects the stencil buffer + * + * Types of auxiliary buffers + * + * Since: 1.0 + */ +typedef enum { + COGL_BUFFER_BIT_COLOR = 1L<<0, + COGL_BUFFER_BIT_DEPTH = 1L<<1, + COGL_BUFFER_BIT_STENCIL = 1L<<2 +} CoglBufferBit; + +/** + * CoglReadPixelsFlags: + * @COGL_READ_PIXELS_COLOR_BUFFER: Read from the color buffer + * + * Flags for cogl_framebuffer_read_pixels_into_bitmap() + * + * Since: 1.0 + */ +typedef enum { /*< prefix=COGL_READ_PIXELS >*/ + COGL_READ_PIXELS_COLOR_BUFFER = 1L << 0 +} CoglReadPixelsFlags; + +COGL_END_DECLS + +#endif /* __COGL_TYPES_H__ */ diff --git a/cogl/cogl-util.c b/cogl/cogl-util.c new file mode 100644 index 0000000..a8a6504 --- /dev/null +++ b/cogl/cogl-util.c @@ -0,0 +1,286 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-util.h" +#include "cogl-private.h" + +/* + * cogl_util_next_p2: + * @a: Value to get the next power of two + * + * Calculates the next power of two greater than or equal to @a. + * + * Return value: @a if @a is already a power of two, otherwise returns + * the next nearest power of two. + */ +int +_cogl_util_next_p2 (int a) +{ + int rval = 1; + + while (rval < a) + rval <<= 1; + + return rval; +} + +unsigned int +_cogl_util_one_at_a_time_mix (unsigned int hash) +{ + hash += ( hash << 3 ); + hash ^= ( hash >> 11 ); + hash += ( hash << 15 ); + + return hash; +} + +/* The 'ffs' function is part of C99 so it isn't always available */ +#ifndef HAVE_FFS + +int +_cogl_util_ffs (int num) +{ + int i = 1; + + if (num == 0) + return 0; + + while ((num & 1) == 0) + { + num >>= 1; + i++; + } + + return i; +} +#endif /* HAVE_FFS */ + +/* The 'ffsl' is non-standard but when building with GCC we'll use its + builtin instead */ +#ifndef COGL_UTIL_HAVE_BUILTIN_FFSL + +int +_cogl_util_ffsl_wrapper (long int num) +{ + int i = 1; + + if (num == 0) + return 0; + + while ((num & 1) == 0) + { + num >>= 1; + i++; + } + + return i; +} + +#endif /* COGL_UTIL_HAVE_BUILTIN_FFSL */ + +#ifndef COGL_UTIL_HAVE_BUILTIN_POPCOUNTL + +const unsigned char +_cogl_util_popcount_table[256] = + { + 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4, 1, 2, 2, 3, 2, 3, 3, 4, + 2, 3, 3, 4, 3, 4, 4, 5, 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 1, 2, 2, 3, 2, 3, 3, 4, + 2, 3, 3, 4, 3, 4, 4, 5, 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 3, 4, 4, 5, 4, 5, 5, 6, + 4, 5, 5, 6, 5, 6, 6, 7, 1, 2, 2, 3, 2, 3, 3, 4, 2, 3, 3, 4, 3, 4, 4, 5, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 2, 3, 3, 4, 3, 4, 4, 5, + 3, 4, 4, 5, 4, 5, 5, 6, 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 2, 3, 3, 4, 3, 4, 4, 5, 3, 4, 4, 5, 4, 5, 5, 6, 3, 4, 4, 5, 4, 5, 5, 6, + 4, 5, 5, 6, 5, 6, 6, 7, 3, 4, 4, 5, 4, 5, 5, 6, 4, 5, 5, 6, 5, 6, 6, 7, + 4, 5, 5, 6, 5, 6, 6, 7, 5, 6, 6, 7, 6, 7, 7, 8 + }; + +#endif /* COGL_UTIL_HAVE_BUILTIN_POPCOUNTL */ + +/* tests/conform/test-bitmask.c tests some cogl internals and includes this + * file directly but since these functions depend on other internal Cogl + * symbols we hide them from test-bitmask.c + * + * XXX: maybe there's a better way for us to handle internal testing + * to avoid needing hacks like this. + */ +#ifndef _COGL_IN_TEST_BITMASK + +/* Given a set of red, green and blue component masks, a depth and + * bits per pixel this function tries to determine a corresponding + * CoglPixelFormat. + * + * The depth is measured in bits not including padding for un-used + * alpha. The bits per pixel (bpp) does include padding for un-used + * alpha. + * + * This function firstly aims to match formats with RGB ordered + * components and only considers alpha coming first, in the most + * significant bits. If the function fails to match then it recurses + * by either switching the r and b masks around to check for BGR + * ordered formats or it recurses with the masks shifted to check for + * formats where the alpha component is the least significant bits. + */ +static CoglPixelFormat +_cogl_util_pixel_format_from_masks_real (unsigned long r_mask, + unsigned long g_mask, + unsigned long b_mask, + int depth, int bpp, + CoglBool check_bgr, + CoglBool check_afirst, + int recursion_depth) +{ + CoglPixelFormat image_format; + + if (depth == 24 && bpp == 24 && + r_mask == 0xff0000 && g_mask == 0xff00 && b_mask == 0xff) + { + return COGL_PIXEL_FORMAT_RGB_888; + } + else if ((depth == 24 || depth == 32) && bpp == 32 && + r_mask == 0xff0000 && g_mask == 0xff00 && b_mask == 0xff) + { + return COGL_PIXEL_FORMAT_ARGB_8888_PRE; + } + else if ((depth == 30 || depth == 32) && + r_mask == 0x3ff00000 && g_mask == 0xffc00 && b_mask == 0x3ff) + { + return COGL_PIXEL_FORMAT_ARGB_2101010_PRE; + } + else if (depth == 16 && bpp == 16 && + r_mask == 0xf800 && g_mask == 0x7e0 && b_mask == 0x1f) + { + return COGL_PIXEL_FORMAT_RGB_565; + } + + if (recursion_depth == 2) + return 0; + + /* Check for BGR ordering if we didn't find a match */ + if (check_bgr) + { + image_format = + _cogl_util_pixel_format_from_masks_real (b_mask, g_mask, r_mask, + depth, bpp, + FALSE, + TRUE, + recursion_depth + 1); + if (image_format) + return image_format ^ COGL_BGR_BIT; + } + + /* Check for alpha in the least significant bits if we still + * haven't found a match... */ + if (check_afirst && depth != bpp) + { + int shift = bpp - depth; + + image_format = + _cogl_util_pixel_format_from_masks_real (r_mask >> shift, + g_mask >> shift, + b_mask >> shift, + depth, bpp, + TRUE, + FALSE, + recursion_depth + 1); + if (image_format) + return image_format ^ COGL_AFIRST_BIT; + } + + return 0; +} + +CoglPixelFormat +_cogl_util_pixel_format_from_masks (unsigned long r_mask, + unsigned long g_mask, + unsigned long b_mask, + int depth, int bpp, + CoglBool byte_order_is_lsb_first) +{ + CoglPixelFormat image_format = + _cogl_util_pixel_format_from_masks_real (r_mask, g_mask, b_mask, + depth, bpp, + TRUE, + TRUE, + 0); + + if (!image_format) + { + const char *byte_order[] = { "MSB first", "LSB first" }; + g_warning ("Could not find a matching pixel format for red mask=0x%lx," + "green mask=0x%lx, blue mask=0x%lx at depth=%d, bpp=%d " + "and byte order=%s\n", r_mask, g_mask, b_mask, depth, bpp, + byte_order[!!byte_order_is_lsb_first]); + return 0; + } + + /* If the image is in little-endian then the order in memory is + reversed */ + if (byte_order_is_lsb_first && + _cogl_pixel_format_is_endian_dependant (image_format)) + { + image_format ^= COGL_BGR_BIT; + if (image_format & COGL_A_BIT) + image_format ^= COGL_AFIRST_BIT; + } + + return image_format; +} + +#ifndef HAVE_MEMMEM + +char * +_cogl_util_memmem (const void *haystack, + size_t haystack_len, + const void *needle, + size_t needle_len) +{ + size_t i; + + if (needle_len > haystack_len) + return NULL; + + for (i = 0; i <= haystack_len - needle_len; i++) + if (!memcmp ((const char *) haystack + i, needle, needle_len)) + return (char *) haystack + i; + + return NULL; +} + +#endif /* HAVE_MEMMEM */ + +#endif /* _COGL_IN_TEST_BITMASK */ diff --git a/cogl/cogl-util.h b/cogl/cogl-util.h new file mode 100644 index 0000000..6df879d --- /dev/null +++ b/cogl/cogl-util.h @@ -0,0 +1,305 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_UTIL_H +#define __COGL_UTIL_H + +#include +#include + +#include +#include "cogl-types.h" + +#ifndef COGL_HAS_GLIB_SUPPORT +#include +#endif + +/* Double check that config.h has been included */ +#if !defined (GETTEXT_PACKAGE) && !defined (_COGL_IN_TEST_BITMASK) +#error "config.h must be included before including cogl-util.h" +#endif + +/* When compiling with Visual Studio, symbols that represent data that + are exported out of the DLL need to be marked with the dllexport + attribute. */ +#ifdef _MSC_VER +#ifdef COGL_BUILD_EXP +#define COGL_EXPORT __declspec(dllexport) +#else +#define COGL_EXPORT __declspec(dllimport) +#endif +#else +#define COGL_EXPORT +#endif + +int +_cogl_util_next_p2 (int a); + +/* The signbit macro is defined by ISO C99 so it should be available, + however if it's not we can fallback to an evil hack */ +#ifdef signbit +#define cogl_util_float_signbit(x) signbit(x) +#else +/* This trick was stolen from here: + http://lists.boost.org/Archives/boost/2006/08/108731.php + + It xors the integer reinterpretations of -1.0f and 1.0f. In theory + they should only differ by the signbit so that gives a mask for the + sign which we can just test against the value */ +static inline CoglBool +cogl_util_float_signbit (float x) +{ + static const union { float f; uint32_t i; } negative_one = { -1.0f }; + static const union { float f; uint32_t i; } positive_one = { +1.0f }; + union { float f; uint32_t i; } value = { x }; + + return !!((negative_one.i ^ positive_one.i) & value.i); +} +#endif + +/* This is a replacement for the nearbyint function which always + rounds to the nearest integer. nearbyint is apparently a C99 + function so it might not always be available but also it seems in + glibc it is defined as a function call so this macro could end up + faster anyway. We can't just add 0.5f because it will break for + negative numbers. */ +#define COGL_UTIL_NEARBYINT(x) ((int) ((x) < 0.0f ? (x) - 0.5f : (x) + 0.5f)) + +/* Returns whether the given integer is a power of two */ +static inline CoglBool +_cogl_util_is_pot (unsigned int num) +{ + /* Make sure there is only one bit set */ + return (num & (num - 1)) == 0; +} + +/* Split Bob Jenkins' One-at-a-Time hash + * + * This uses the One-at-a-Time hash algorithm designed by Bob Jenkins + * but the mixing step is split out so the function can be used in a + * more incremental fashion. + */ +static inline unsigned int +_cogl_util_one_at_a_time_hash (unsigned int hash, + const void *key, + size_t bytes) +{ + const unsigned char *p = key; + int i; + + for (i = 0; i < bytes; i++) + { + hash += p[i]; + hash += (hash << 10); + hash ^= (hash >> 6); + } + + return hash; +} + +unsigned int +_cogl_util_one_at_a_time_mix (unsigned int hash); + +/* These two builtins are available since GCC 3.4 */ +#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) +#define COGL_UTIL_HAVE_BUILTIN_FFSL +#define COGL_UTIL_HAVE_BUILTIN_POPCOUNTL +#define COGL_UTIL_HAVE_BUILTIN_CLZ +#endif + +/* The 'ffs' function is part of C99 so it isn't always available */ +#ifdef HAVE_FFS +#define _cogl_util_ffs ffs +#else +int +_cogl_util_ffs (int num); +#endif + +/* The 'ffsl' function is non-standard but GCC has a builtin for it + since 3.4 which we can use */ +#ifdef COGL_UTIL_HAVE_BUILTIN_FFSL +#define _cogl_util_ffsl __builtin_ffsl +#else +/* If ints and longs are the same size we can just use ffs. Hopefully + the compiler will optimise away this conditional */ +#define _cogl_util_ffsl(x) \ + (sizeof (long int) == sizeof (int) ? _cogl_util_ffs ((int) x) : \ + _cogl_util_ffsl_wrapper (x)) +int +_cogl_util_ffsl_wrapper (long int num); +#endif /* COGL_UTIL_HAVE_BUILTIN_FFSL */ + +static inline unsigned int +_cogl_util_fls (unsigned int n) +{ +#ifdef COGL_UTIL_HAVE_BUILTIN_CLZ + return n == 0 ? 0 : sizeof (unsigned int) * 8 - __builtin_clz (n); +#else + unsigned int v = 1; + + if (n == 0) + return 0; + + while (n >>= 1) + v++; + + return v; +#endif +} + +#ifdef COGL_UTIL_HAVE_BUILTIN_POPCOUNTL +#define _cogl_util_popcountl __builtin_popcountl +#else +extern const unsigned char _cogl_util_popcount_table[256]; + +/* There are many ways of doing popcount but doing a table lookup + seems to be the most robust against different sizes for long. Some + pages seem to claim it's the fastest method anyway. */ +static inline int +_cogl_util_popcountl (unsigned long num) +{ + int i; + int sum = 0; + + /* Let's hope GCC will unroll this loop.. */ + for (i = 0; i < sizeof (num); i++) + sum += _cogl_util_popcount_table[(num >> (i * 8)) & 0xff]; + + return sum; +} + +#endif /* COGL_UTIL_HAVE_BUILTIN_POPCOUNTL */ + +#ifdef COGL_HAS_GLIB_SUPPORT +#define _COGL_RETURN_IF_FAIL(EXPR) g_return_if_fail(EXPR) +#define _COGL_RETURN_VAL_IF_FAIL(EXPR, VAL) g_return_val_if_fail(EXPR, VAL) +#else +#ifdef COGL_ENABLE_DEBUG +#define _COGL_RETURN_START do { +#define _COGL_RETURN_END } while (0) +#else /* COGL_ENABLE_DEBUG */ +/* If debugging is disabled then we don't actually want to do the + * check but we still want the code for the expression to be generated + * so that it won't give loads of warnings about unused variables. + * Therefore we just surround the block with if(0) */ +#define _COGL_RETURN_START do { if (0) { +#define _COGL_RETURN_END } } while (0) +#endif /* COGL_ENABLE_DEBUG */ +#define _COGL_RETURN_IF_FAIL(EXPR) _COGL_RETURN_START { \ + if (!(EXPR)) \ + { \ + fprintf (stderr, "file %s: line %d: assertion `%s' failed", \ + __FILE__, \ + __LINE__, \ + #EXPR); \ + return; \ + }; \ + } _COGL_RETURN_END +#define _COGL_RETURN_VAL_IF_FAIL(EXPR, VAL) _COGL_RETURN_START { \ + if (!(EXPR)) \ + { \ + fprintf (stderr, "file %s: line %d: assertion `%s' failed", \ + __FILE__, \ + __LINE__, \ + #EXPR); \ + return (VAL); \ + }; \ + } _COGL_RETURN_END +#endif /* COGL_HAS_GLIB_SUPPORT */ + +/* Match a CoglPixelFormat according to channel masks, color depth, + * bits per pixel and byte order. These information are provided by + * the Visual and XImage structures. + * + * If no specific pixel format could be found, COGL_PIXEL_FORMAT_ANY + * is returned. + */ +CoglPixelFormat +_cogl_util_pixel_format_from_masks (unsigned long r_mask, + unsigned long g_mask, + unsigned long b_mask, + int depth, int bpp, + int byte_order); + +/* Since we can't rely on _Static_assert always being available for + * all compilers we have limited static assert that can be used in + * C code but not in headers. + */ +#define _COGL_TYPEDEF_ASSERT(EXPRESSION) \ + typedef struct { char Compile_Time_Assertion[(EXPRESSION) ? 1 : -1]; } \ + G_PASTE (_GStaticAssert_, __LINE__) + +/* _COGL_STATIC_ASSERT: + * @expression: An expression to assert evaluates to true at compile + * time. + * @message: A message to print to the console if the assertion fails + * at compile time. + * + * Allows you to assert that an expression evaluates to true at + * compile time and aborts compilation if not. If possible message + * will also be printed if the assertion fails. + * + * Note: Only Gcc >= 4.6 supports the c11 _Static_assert which lets us + * print a nice message if the compile time assertion fails. + */ +#ifdef HAVE_STATIC_ASSERT +#define _COGL_STATIC_ASSERT(EXPRESSION, MESSAGE) \ + _Static_assert (EXPRESSION, MESSAGE); +#else +#define _COGL_STATIC_ASSERT(EXPRESSION, MESSAGE) +#endif + +#ifdef HAVE_MEMMEM +#define _cogl_util_memmem memmem +#else +char * +_cogl_util_memmem (const void *haystack, + size_t haystack_len, + const void *needle, + size_t needle_len); +#endif + +static inline void +_cogl_util_scissor_intersect (int rect_x0, + int rect_y0, + int rect_x1, + int rect_y1, + int *scissor_x0, + int *scissor_y0, + int *scissor_x1, + int *scissor_y1) +{ + *scissor_x0 = MAX (*scissor_x0, rect_x0); + *scissor_y0 = MAX (*scissor_y0, rect_y0); + *scissor_x1 = MIN (*scissor_x1, rect_x1); + *scissor_y1 = MIN (*scissor_y1, rect_y1); +} + +#endif /* __COGL_UTIL_H */ diff --git a/cogl/cogl-vector.c b/cogl/cogl-vector.c new file mode 100644 index 0000000..9da94af --- /dev/null +++ b/cogl/cogl-vector.c @@ -0,0 +1,300 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include +#include +#include + +#define X 0 +#define Y 1 +#define Z 2 +#define W 3 + +void +cogl_vector3_init (float *vector, float x, float y, float z) +{ + vector[X] = x; + vector[Y] = y; + vector[Z] = z; +} + +void +cogl_vector3_init_zero (float *vector) +{ + memset (vector, 0, sizeof (float) * 3); +} + +CoglBool +cogl_vector3_equal (const void *v1, const void *v2) +{ + float *vector0 = (float *)v1; + float *vector1 = (float *)v2; + + _COGL_RETURN_VAL_IF_FAIL (v1 != NULL, FALSE); + _COGL_RETURN_VAL_IF_FAIL (v2 != NULL, FALSE); + + /* There's no point picking an arbitrary epsilon that's appropriate + * for comparing the components so we just use == that will at least + * consider -0 and 0 to be equal. */ + return + vector0[X] == vector1[X] && + vector0[Y] == vector1[Y] && + vector0[Z] == vector1[Z]; +} + +CoglBool +cogl_vector3_equal_with_epsilon (const float *vector0, + const float *vector1, + float epsilon) +{ + _COGL_RETURN_VAL_IF_FAIL (vector0 != NULL, FALSE); + _COGL_RETURN_VAL_IF_FAIL (vector1 != NULL, FALSE); + + if (fabsf (vector0[X] - vector1[X]) < epsilon && + fabsf (vector0[Y] - vector1[Y]) < epsilon && + fabsf (vector0[Z] - vector1[Z]) < epsilon) + return TRUE; + else + return FALSE; +} + +float * +cogl_vector3_copy (const float *vector) +{ + if (vector) + return g_slice_copy (sizeof (float) * 3, vector); + return NULL; +} + +void +cogl_vector3_free (float *vector) +{ + g_slice_free1 (sizeof (float) * 3, vector); +} + +void +cogl_vector3_invert (float *vector) +{ + vector[X] = -vector[X]; + vector[Y] = -vector[Y]; + vector[Z] = -vector[Z]; +} + +void +cogl_vector3_add (float *result, + const float *a, + const float *b) +{ + result[X] = a[X] + b[X]; + result[Y] = a[Y] + b[Y]; + result[Z] = a[Z] + b[Z]; +} + +void +cogl_vector3_subtract (float *result, + const float *a, + const float *b) +{ + result[X] = a[X] - b[X]; + result[Y] = a[Y] - b[Y]; + result[Z] = a[Z] - b[Z]; +} + +void +cogl_vector3_multiply_scalar (float *vector, + float scalar) +{ + vector[X] *= scalar; + vector[Y] *= scalar; + vector[Z] *= scalar; +} + +void +cogl_vector3_divide_scalar (float *vector, + float scalar) +{ + float one_over_scalar = 1.0f / scalar; + vector[X] *= one_over_scalar; + vector[Y] *= one_over_scalar; + vector[Z] *= one_over_scalar; +} + +void +cogl_vector3_normalize (float *vector) +{ + float mag_squared = + vector[X] * vector[X] + + vector[Y] * vector[Y] + + vector[Z] * vector[Z]; + + if (mag_squared > 0.0f) + { + float one_over_mag = 1.0f / sqrtf (mag_squared); + vector[X] *= one_over_mag; + vector[Y] *= one_over_mag; + vector[Z] *= one_over_mag; + } +} + +float +cogl_vector3_magnitude (const float *vector) +{ + return sqrtf (vector[X] * vector[X] + + vector[Y] * vector[Y] + + vector[Z] * vector[Z]); +} + +void +cogl_vector3_cross_product (float *result, + const float *a, + const float *b) +{ + float tmp[3]; + + tmp[X] = a[Y] * b[Z] - a[Z] * b[Y]; + tmp[Y] = a[Z] * b[X] - a[X] * b[Z]; + tmp[Z] = a[X] * b[Y] - a[Y] * b[X]; + result[X] = tmp[X]; + result[Y] = tmp[Y]; + result[Z] = tmp[Z]; +} + +float +cogl_vector3_dot_product (const float *a, const float *b) +{ + return a[X] * b[X] + a[Y] * b[Y] + a[Z] * b[Z]; +} + +float +cogl_vector3_distance (const float *a, const float *b) +{ + float dx = b[X] - a[X]; + float dy = b[Y] - a[Y]; + float dz = b[Z] - a[Z]; + + return sqrtf (dx * dx + dy * dy + dz * dz); +} + +#if 0 +void +cogl_vector4_init (float *vector, float x, float y, float z) +{ + vector[X] = x; + vector[Y] = y; + vector[Z] = z; + vector[W] = w; +} + +void +cogl_vector4_init_zero (float *vector) +{ + memset (vector, 0, sizeof (CoglVector4)); +} + +void +cogl_vector4_init_from_vector4 (float *vector, float *src) +{ + *vector4 = *src; +} + +CoglBool +cogl_vector4_equal (const void *v0, const void *v1) +{ + _COGL_RETURN_VAL_IF_FAIL (v1 != NULL, FALSE); + _COGL_RETURN_VAL_IF_FAIL (v2 != NULL, FALSE); + + return memcmp (v1, v2, sizeof (float) * 4) == 0 ? TRUE : FALSE; +} + +float * +cogl_vector4_copy (float *vector) +{ + if (vector) + return g_slice_dup (CoglVector4, vector); + return NULL; +} + +void +cogl_vector4_free (float *vector) +{ + g_slice_free (CoglVector4, vector); +} + +void +cogl_vector4_invert (float *vector) +{ + vector.x = -vector.x; + vector.y = -vector.y; + vector.z = -vector.z; + vector.w = -vector.w; +} + +void +cogl_vector4_add (float *result, + float *a, + float *b) +{ + result.x = a.x + b.x; + result.y = a.y + b.y; + result.z = a.z + b.z; + result.w = a.w + b.w; +} + +void +cogl_vector4_subtract (float *result, + float *a, + float *b) +{ + result.x = a.x - b.x; + result.y = a.y - b.y; + result.z = a.z - b.z; + result.w = a.w - b.w; +} + +void +cogl_vector4_divide (float *vector, + float scalar) +{ + float one_over_scalar = 1.0f / scalar; + result.x *= one_over_scalar; + result.y *= one_over_scalar; + result.z *= one_over_scalar; + result.w *= one_over_scalar; +} + +#endif diff --git a/cogl/cogl-vector.h b/cogl/cogl-vector.h new file mode 100644 index 0000000..08cf017 --- /dev/null +++ b/cogl/cogl-vector.h @@ -0,0 +1,356 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_VECTOR_H +#define __COGL_VECTOR_H + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-vector + * @short_description: Functions for handling single precision float + * vectors. + * + * This exposes a utility API that can be used for basic manipulation of 3 + * component float vectors. + */ + +/** + * cogl_vector3_init: + * @vector: The 3 component vector you want to initialize + * @x: The x component + * @y: The y component + * @z: The z component + * + * Initializes a 3 component, single precision float vector which can + * then be manipulated with the cogl_vector convenience APIs. Vectors + * can also be used in places where a "point" is often desired. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_init (float *vector, float x, float y, float z); + +/** + * cogl_vector3_init_zero: + * @vector: The 3 component vector you want to initialize + * + * Initializes a 3 component, single precision float vector with zero + * for each component. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_init_zero (float *vector); + +/** + * cogl_vector3_equal: + * @v1: The first 3 component vector you want to compare + * @v2: The second 3 component vector you want to compare + * + * Compares the components of two vectors and returns TRUE if they are + * the same. + * + * The comparison of the components is done with the '==' operator + * such that -0 is considered equal to 0, but otherwise there is no + * fuzziness such as an epsilon to consider vectors that are + * essentially identical except for some minor precision error + * differences due to the way they have been manipulated. + * + * Returns: TRUE if the vectors are equal else FALSE. + * + * Since: 1.4 + * Stability: Unstable + */ +CoglBool +cogl_vector3_equal (const void *v1, const void *v2); + +/** + * cogl_vector3_equal_with_epsilon: + * @vector0: The first 3 component vector you want to compare + * @vector1: The second 3 component vector you want to compare + * @epsilon: The allowable difference between components to still be + * considered equal + * + * Compares the components of two vectors using the given epsilon and + * returns TRUE if they are the same, using an internal epsilon for + * comparing the floats. + * + * Each component is compared against the epsilon value in this way: + * |[ + * if (fabsf (vector0->x - vector1->x) < epsilon) + * ]| + * + * Returns: TRUE if the vectors are equal else FALSE. + * + * Since: 1.4 + * Stability: Unstable + */ +CoglBool +cogl_vector3_equal_with_epsilon (const float *vector0, + const float *vector1, + float epsilon); + +/** + * cogl_vector3_copy: + * @vector: The 3 component vector you want to copy + * + * Allocates a new 3 component float vector on the heap initializing + * the components from the given @vector and returns a pointer to the + * newly allocated vector. You should free the memory using + * cogl_vector3_free() + * + * Returns: A newly allocated 3 component float vector + * + * Since: 1.4 + * Stability: Unstable + */ +float * +cogl_vector3_copy (const float *vector); + +/** + * cogl_vector3_free: + * @vector: The 3 component you want to free + * + * Frees a 3 component vector that was previously allocated with + * cogl_vector3_copy() + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_free (float *vector); + +/** + * cogl_vector3_invert: + * @vector: The 3 component vector you want to manipulate + * + * Inverts/negates all the components of the given @vector. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_invert (float *vector); + +/** + * cogl_vector3_add: + * @result: Where you want the result written + * @a: The first vector operand + * @b: The second vector operand + * + * Adds each of the corresponding components in vectors @a and @b + * storing the results in @result. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_add (float *result, + const float *a, + const float *b); + +/** + * cogl_vector3_subtract: + * @result: Where you want the result written + * @a: The first vector operand + * @b: The second vector operand + * + * Subtracts each of the corresponding components in vector @b from + * @a storing the results in @result. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_subtract (float *result, + const float *a, + const float *b); + +/** + * cogl_vector3_multiply_scalar: + * @vector: The 3 component vector you want to manipulate + * @scalar: The scalar you want to multiply the vector components by + * + * Multiplies each of the @vector components by the given scalar. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_multiply_scalar (float *vector, + float scalar); + +/** + * cogl_vector3_divide_scalar: + * @vector: The 3 component vector you want to manipulate + * @scalar: The scalar you want to divide the vector components by + * + * Divides each of the @vector components by the given scalar. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_divide_scalar (float *vector, + float scalar); + +/** + * cogl_vector3_normalize: + * @vector: The 3 component vector you want to manipulate + * + * Updates the vector so it is a "unit vector" such that the + * @vectors magnitude or length is equal to 1. + * + * It's safe to use this function with the [0, 0, 0] vector, it will not + * try to divide components by 0 (its norm) and will leave the vector + * untouched. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_normalize (float *vector); + +/** + * cogl_vector3_magnitude: + * @vector: The 3 component vector you want the magnitude for + * + * Calculates the scalar magnitude or length of @vector. + * + * Returns: The magnitude of @vector. + * + * Since: 1.4 + * Stability: Unstable + */ +float +cogl_vector3_magnitude (const float *vector); + +/** + * cogl_vector3_cross_product: + * @result: Where you want the result written + * @u: Your first 3 component vector + * @v: Your second 3 component vector + * + * Calculates the cross product between the two vectors @u and @v. + * + * The cross product is a vector perpendicular to both @u and @v. This + * can be useful for calculating the normal of a polygon by creating + * two vectors in its plane using the polygons vertices and taking + * their cross product. + * + * If the two vectors are parallel then the cross product is 0. + * + * You can use a right hand rule to determine which direction the + * perpendicular vector will point: If you place the two vectors tail, + * to tail and imagine grabbing the perpendicular line that extends + * through the common tail with your right hand such that you fingers + * rotate in the direction from @u to @v then the resulting vector + * points along your extended thumb. + * + * Returns: The cross product between two vectors @u and @v. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_vector3_cross_product (float *result, + const float *u, + const float *v); + +/** + * cogl_vector3_dot_product: + * @a: Your first 3 component vector + * @b: Your second 3 component vector + * + * Calculates the dot product of the two 3 component vectors. This + * can be used to determine the magnitude of one vector projected onto + * another. (for example a surface normal) + * + * For example if you have a polygon with a given normal vector and + * some other point for which you want to calculate its distance from + * the polygon, you can create a vector between one of the polygon + * vertices and that point and use the dot product to calculate the + * magnitude for that vector but projected onto the normal of the + * polygon. This way you don't just get the distance from the point to + * the edge of the polygon you get the distance from the point to the + * nearest part of the polygon. + * + * If you don't use a unit length normal in the above example + * then you would then also have to divide the result by the magnitude + * of the normal + * + * The dot product is calculated as: + * |[ + * (a->x * b->x + a->y * b->y + a->z * b->z) + * ]| + * + * For reference, the dot product can also be calculated from the + * angle between two vectors as: + * |[ + * |a||b|cos𝜃 + * ]| + * + * Returns: The dot product of two vectors. + * + * Since: 1.4 + * Stability: Unstable + */ +float +cogl_vector3_dot_product (const float *a, const float *b); + +/** + * cogl_vector3_distance: + * @a: The first point + * @b: The second point + * + * If you consider the two given vectors as (x,y,z) points instead + * then this will compute the distance between those two points. + * + * Returns: The distance between two points given as 3 component + * vectors. + * + * Since: 1.4 + * Stability: Unstable + */ +float +cogl_vector3_distance (const float *a, const float *b); + +COGL_END_DECLS + +#endif /* __COGL_VECTOR_H */ + diff --git a/cogl/cogl-version.h b/cogl/cogl-version.h new file mode 100644 index 0000000..7430188 --- /dev/null +++ b/cogl/cogl-version.h @@ -0,0 +1,348 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_VERSION_H__ +#define __COGL_VERSION_H__ + +#include + +/** + * SECTION:cogl-version + * @short_description: Macros for determining the version of Cogl being used + * + * Cogl offers a set of macros for checking the version of the library + * at compile time. + * + * Cogl adds version information to both API deprecations and additions; + * by definining the macros %COGL_VERSION_MIN_REQUIRED and + * %COGL_VERSION_MAX_ALLOWED, you can specify the range of Cogl versions + * whose API you want to use. Functions that were deprecated before, or + * introduced after, this range will trigger compiler warnings. For instance, + * if we define the following symbols: + * + * |[ + * COGL_VERSION_MIN_REQUIRED = COGL_VERSION_1_6 + * COGL_VERSION_MAX_ALLOWED = COGL_VERSION_1_8 + * ]| + * + * and we have the following functions annotated in the Cogl headers: + * + * |[ + * COGL_DEPRECATED_IN_1_4 void cogl_function_A (void); + * COGL_DEPRECATED_IN_1_6 void cogl_function_B (void); + * COGL_AVAILABLE_IN_1_8 void cogl_function_C (void); + * COGL_AVAILABLE_IN_1_10 void cogl_function_D (void); + * ]| + * + * then any application code using the functions above will get the output: + * + * |[ + * cogl_function_A: deprecation warning + * cogl_function_B: no warning + * cogl_function_C: no warning + * cogl_function_D: symbol not available warning + * ]| + * + * It is possible to disable the compiler warnings by defining the macro + * %COGL_DISABLE_DEPRECATION_WARNINGS before including the cogl.h + * header. + */ + +/** + * COGL_VERSION_MAJOR: + * + * The major version of the Cogl library (1, if %COGL_VERSION is 1.2.3) + * + * Since: 1.12.0 + */ +#define COGL_VERSION_MAJOR COGL_VERSION_MAJOR_INTERNAL + +/** + * COGL_VERSION_MINOR: + * + * The minor version of the Cogl library (2, if %COGL_VERSION is 1.2.3) + * + * Since: 1.12.0 + */ +#define COGL_VERSION_MINOR COGL_VERSION_MINOR_INTERNAL + +/** + * COGL_VERSION_MICRO: + * + * The micro version of the Cogl library (3, if %COGL_VERSION is 1.2.3) + * + * Since: 1.12.0 + */ +#define COGL_VERSION_MICRO COGL_VERSION_MICRO_INTERNAL + +/** + * COGL_VERSION_STRING: + * + * The full version of the Cogl library, in string form (suited for + * string concatenation) + * + * Since: 1.12.0 + */ +#define COGL_VERSION_STRING COGL_VERSION_STRING_INTERNAL + +/* Macros to handle compacting a 3-component version number into an + * int for quick comparison. This assumes all of the components are <= + * 1023 and that an int is >= 31 bits */ +#define COGL_VERSION_COMPONENT_BITS 10 +#define COGL_VERSION_MAX_COMPONENT_VALUE \ + ((1 << COGL_VERSION_COMPONENT_BITS) - 1) + +/** + * COGL_VERSION: + * + * The Cogl version encoded into a single integer using the + * COGL_VERSION_ENCODE() macro. This can be used for quick comparisons + * with particular versions. + * + * Since: 1.12.0 + */ +#define COGL_VERSION \ + COGL_VERSION_ENCODE (COGL_VERSION_MAJOR, \ + COGL_VERSION_MINOR, \ + COGL_VERSION_MICRO) + +/** + * COGL_VERSION_ENCODE: + * @major: The major part of a version number + * @minor: The minor part of a version number + * @micro: The micro part of a version number + * + * Encodes a 3 part version number into a single integer. This can be + * used to compare the Cogl version. For example if there is a known + * bug in Cogl versions between 1.3.2 and 1.3.4 you could use the + * following code to provide a workaround: + * + * |[ + * #if COGL_VERSION >= COGL_VERSION_ENCODE (1, 3, 2) && \ + * COGL_VERSION <= COGL_VERSION_ENCODE (1, 3, 4) + * /* Do the workaround */ + * #endif + * ]| + * + * Since: 1.12.0 + */ +#define COGL_VERSION_ENCODE(major, minor, micro) \ + (((major) << (COGL_VERSION_COMPONENT_BITS * 2)) | \ + ((minor) << COGL_VERSION_COMPONENT_BITS) \ + | (micro)) + +/** + * COGL_VERSION_GET_MAJOR: + * @version: An encoded version number + * + * Extracts the major part of an encoded version number. + * + * Since: 1.12.0 + */ +#define COGL_VERSION_GET_MAJOR(version) \ + (((version) >> (COGL_VERSION_COMPONENT_BITS * 2)) \ + & COGL_VERSION_MAX_COMPONENT_VALUE) + +/** + * COGL_VERSION_GET_MINOR: + * @version: An encoded version number + * + * Extracts the minor part of an encoded version number. + * + * Since: 1.12.0 + */ +#define COGL_VERSION_GET_MINOR(version) \ + (((version) >> COGL_VERSION_COMPONENT_BITS) & \ + COGL_VERSION_MAX_COMPONENT_VALUE) + +/** + * COGL_VERSION_GET_MICRO: + * @version: An encoded version number + * + * Extracts the micro part of an encoded version number. + * + * Since: 1.12.0 + */ +#define COGL_VERSION_GET_MICRO(version) \ + ((version) & COGL_VERSION_MAX_COMPONENT_VALUE) + +/** + * COGL_VERSION_CHECK: + * @major: The major part of a version number + * @minor: The minor part of a version number + * @micro: The micro part of a version number + * + * A convenient macro to check whether the Cogl version being compiled + * against is at least the given version number. For example if the + * function cogl_pipeline_frobnicate was added in version 2.0.1 and + * you want to conditionally use that function when it is available, + * you could write the following: + * + * |[ + * #if COGL_VERSION_CHECK (2, 0, 1) + * cogl_pipeline_frobnicate (pipeline); + * #else + * /* Frobnication is not supported. Use a red color instead */ + * cogl_pipeline_set_color_4f (pipeline, 1.0f, 0.0f, 0.0f, 1.0f); + * #endif + * ]| + * + * Return value: %TRUE if the Cogl version being compiled against is + * greater than or equal to the given three part version number. + * Since: 1.12.0 + */ +#define COGL_VERSION_CHECK(major, minor, micro) \ + (COGL_VERSION >= COGL_VERSION_ENCODE (major, minor, micro)) + +/** + * COGL_VERSION_1_0: + * + * A macro that evaluates to the 1.0 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.16 + */ +#define COGL_VERSION_1_0 (COGL_VERSION_ENCODE (1, 0, 0)) + +/** + * COGL_VERSION_1_2: + * + * A macro that evaluates to the 1.2 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.16 + */ +#define COGL_VERSION_1_2 (COGL_VERSION_ENCODE (1, 2, 0)) + +/** + * COGL_VERSION_1_4: + * + * A macro that evaluates to the 1.4 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.16 + */ +#define COGL_VERSION_1_4 (COGL_VERSION_ENCODE (1, 4, 0)) + +/** + * COGL_VERSION_1_6: + * + * A macro that evaluates to the 1.6 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.16 + */ +#define COGL_VERSION_1_6 (COGL_VERSION_ENCODE (1, 6, 0)) + +/** + * COGL_VERSION_1_8: + * + * A macro that evaluates to the 1.8 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.16 + */ +#define COGL_VERSION_1_8 (COGL_VERSION_ENCODE (1, 8, 0)) + +/** + * COGL_VERSION_1_10: + * + * A macro that evaluates to the 1.10 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.16 + */ +#define COGL_VERSION_1_10 (COGL_VERSION_ENCODE (1, 10, 0)) + +/** + * COGL_VERSION_1_12: + * + * A macro that evaluates to the 1.12 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.16 + */ +#define COGL_VERSION_1_12 (COGL_VERSION_ENCODE (1, 12, 0)) + +/** + * COGL_VERSION_1_14: + * + * A macro that evaluates to the 1.14 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.16 + */ +#define COGL_VERSION_1_14 (COGL_VERSION_ENCODE (1, 14, 0)) + +/** + * COGL_VERSION_1_16: + * + * A macro that evaluates to the 1.16 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.16 + */ +#define COGL_VERSION_1_16 (COGL_VERSION_ENCODE (1, 16, 0)) + +/** + * COGL_VERSION_1_18: + * + * A macro that evaluates to the 1.18 version of Cogl, in a format + * that can be used by the C pre-processor. + * + * Since: 1.18 + */ +#define COGL_VERSION_1_18 (COGL_VERSION_ENCODE (1, 18, 0)) + +/* evaluates to the current stable version; for development cycles, + * this means the next stable target + */ +#if (COGL_VERSION_MINOR_INTERNAL % 2) +#define COGL_VERSION_CURRENT_STABLE \ + (COGL_VERSION_ENCODE (COGL_VERSION_MAJOR_INTERNAL, \ + COGL_VERSION_MINOR_INTERNAL + 1, 0)) +#else +#define COGL_VERSION_CURRENT_STABLE \ + (COGL_VERSION_ENCODE (COGL_VERSION_MAJOR_INTERNAL, \ + COGL_VERSION_MINOR_INTERNAL, 0)) +#endif + +/* evaluates to the previous stable version */ +#if (COGL_VERSION_MINOR_INTERNAL % 2) +#define COGL_VERSION_PREVIOUS_STABLE \ + (COGL_VERSION_ENCODE (COGL_VERSION_MAJOR_INTERNAL, \ + COGL_VERSION_MINOR_INTERNAL - 1, 0)) +#else +#define COGL_VERSION_PREVIOUS_STABLE \ + (COGL_VERSION_ENCODE (COGL_VERSION_MAJOR_INTERNAL, \ + COGL_VERSION_MINOR_INTERNAL - 2, 0)) +#endif + +#endif /* __COGL_VERSION_H__ */ diff --git a/cogl/cogl-wayland-client.h b/cogl/cogl-wayland-client.h new file mode 100644 index 0000000..bac3f70 --- /dev/null +++ b/cogl/cogl-wayland-client.h @@ -0,0 +1,64 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef __COGL_WAYLAND_CLIENT_H +#define __COGL_WAYLAND_CLIENT_H + +/* NB: this is a top-level header that can be included directly but we + * want to be careful not to define __COGL_H_INSIDE__ when this is + * included internally while building Cogl itself since + * __COGL_H_INSIDE__ is used in headers to guard public vs private api + * definitions + */ +#ifndef COGL_COMPILATION + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif +#endif /* COGL_COMPILATION */ + +#include + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_WAYLAND_CLIENT_H */ diff --git a/cogl/cogl-wayland-renderer.h b/cogl/cogl-wayland-renderer.h new file mode 100644 index 0000000..ea0a20b --- /dev/null +++ b/cogl/cogl-wayland-renderer.h @@ -0,0 +1,105 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_WAYLAND_RENDERER_H__ +#define __COGL_WAYLAND_RENDERER_H__ + +#include +#include + +#include + +COGL_BEGIN_DECLS + +/** + * cogl_wayland_renderer_set_foreign_display: + * @renderer: A #CoglRenderer + * @display: A Wayland display + * + * Allows you to explicitly control what Wayland display you want Cogl + * to work with instead of leaving Cogl to automatically connect to a + * wayland compositor. + * + * Since: 1.8 + * Stability: unstable + */ +void +cogl_wayland_renderer_set_foreign_display (CoglRenderer *renderer, + struct wl_display *display); + +/** + * cogl_wayland_renderer_set_event_dispatch_enabled: + * @renderer: A #CoglRenderer + * @enable: The new value + * + * Sets whether Cogl should handle calling wl_display_dispatch() and + * wl_display_flush() as part of its main loop integration via + * cogl_poll_renderer_get_info() and cogl_poll_renderer_dispatch(). + * The default value is %TRUE. When it is enabled the application can + * register listeners for Wayland interfaces and the callbacks will be + * invoked during cogl_poll_renderer_dispatch(). If the application + * wants to integrate with its own code that is already handling + * reading from the Wayland display socket, it should disable this to + * avoid having competing code read from the socket. + * + * Since: 1.16 + * Stability: unstable + */ +void +cogl_wayland_renderer_set_event_dispatch_enabled (CoglRenderer *renderer, + CoglBool enable); + +/** + * cogl_wayland_renderer_get_display: + * @renderer: A #CoglRenderer + * + * Retrieves the Wayland display that Cogl is using. If a foreign + * display has been specified using + * cogl_wayland_renderer_set_foreign_display() then that display will + * be returned. If no foreign display has been specified then the + * display that Cogl creates internally will be returned unless the + * renderer has not yet been connected (either implicitly or explicitly by + * calling cogl_renderer_connect()) in which case %NULL is returned. + * + * Returns: The wayland display currently associated with @renderer, + * or %NULL if the renderer hasn't yet been connected and no + * foreign display has been specified. + * + * Since: 1.8 + * Stability: unstable + */ +struct wl_display * +cogl_wayland_renderer_get_display (CoglRenderer *renderer); + +COGL_END_DECLS + +#endif /* __COGL_WAYLAND_RENDERER_H__ */ diff --git a/cogl/cogl-wayland-server.h b/cogl/cogl-wayland-server.h new file mode 100644 index 0000000..9c1f35f --- /dev/null +++ b/cogl/cogl-wayland-server.h @@ -0,0 +1,163 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef __COGL_WAYLAND_SERVER_H +#define __COGL_WAYLAND_SERVER_H + +#include + +/* NB: this is a top-level header that can be included directly but we + * want to be careful not to define __COGL_H_INSIDE__ when this is + * included internally while building Cogl itself since + * __COGL_H_INSIDE__ is used in headers to guard public vs private api + * definitions + */ +#ifndef COGL_COMPILATION + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* COGL_COMPILATION */ + +#include +#include + +COGL_BEGIN_DECLS + +/** + * cogl_wayland_display_set_compositor_display: + * @display: a #CoglDisplay + * @wayland_display: A compositor's Wayland display pointer + * + * Informs Cogl of a compositor's Wayland display pointer. This + * enables Cogl to register private wayland extensions required to + * pass buffers between the clients and compositor. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_wayland_display_set_compositor_display (CoglDisplay *display, + struct wl_display *wayland_display); + +/** + * cogl_wayland_texture_2d_new_from_buffer: + * @ctx: A #CoglContext + * @buffer: A Wayland resource for a buffer + * @error: A #CoglError for exceptions + * + * Uploads the @buffer referenced by the given Wayland resource to a + * #CoglTexture2D. The buffer resource may refer to a wl_buffer or a + * wl_shm_buffer. + * + * The results are undefined for passing an invalid @buffer + * pointer + * It is undefined if future updates to @buffer outside the + * control of Cogl will affect the allocated #CoglTexture2D. In some + * cases the contents of the buffer are copied (such as shm buffers), + * and in other cases the underlying storage is re-used directly (such + * as drm buffers) + * + * Returns: A newly allocated #CoglTexture2D, or if Cogl could not + * validate the @buffer in some way (perhaps because of + * an unsupported format) it will return %NULL and set + * @error. + * + * Since: 1.10 + * Stability: unstable + */ +CoglTexture2D * +cogl_wayland_texture_2d_new_from_buffer (CoglContext *ctx, + struct wl_resource *buffer, + CoglError **error); + +/** + * cogl_wayland_texture_set_region_from_shm_buffer: + * @texture: a #CoglTexture + * @width: The width of the region to copy + * @height: The height of the region to copy + * @shm_buffer: The source buffer + * @src_x: The X offset within the source bufer to copy from + * @src_y: The Y offset within the source bufer to copy from + * @dst_x: The X offset within the texture to copy to + * @dst_y: The Y offset within the texture to copy to + * @level: The mipmap level of the texture to copy to + * @error: A #CoglError to return exceptional errors + * + * Sets the pixels in a rectangular subregion of @texture from a + * Wayland SHM buffer. Generally this would be used in response to + * wl_surface.damage event in a compositor in order to update the + * texture with the damaged region. This is just a convenience wrapper + * around getting the SHM buffer pointer and calling + * cogl_texture_set_region(). See that function for a description of + * the level parameter. + * + * Since the storage for a #CoglTexture is allocated lazily then + * if the given @texture has not previously been allocated then this + * api can return %FALSE and throw an exceptional @error if there is + * not enough memory to allocate storage for @texture. + * + * Return value: %TRUE if the subregion upload was successful, and + * %FALSE otherwise + * Since: 1.18 + * Stability: unstable + */ +CoglBool +cogl_wayland_texture_set_region_from_shm_buffer (CoglTexture *texture, + int src_x, + int src_y, + int width, + int height, + struct wl_shm_buffer * + shm_buffer, + int dst_x, + int dst_y, + int level, + CoglError **error); + +COGL_END_DECLS + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_WAYLAND_SERVER_H */ diff --git a/cogl/cogl-win32-renderer.c b/cogl/cogl-win32-renderer.c new file mode 100644 index 0000000..2bc3a5b --- /dev/null +++ b/cogl/cogl-win32-renderer.c @@ -0,0 +1,73 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-renderer-private.h" +#include "cogl-win32-renderer.h" + +CoglFilterReturn +cogl_win32_renderer_handle_event (CoglRenderer *renderer, + MSG *event) +{ + return _cogl_renderer_handle_native_event (renderer, event); +} + +void +cogl_win32_renderer_add_filter (CoglRenderer *renderer, + CoglWin32FilterFunc func, + void *data) +{ + _cogl_renderer_add_native_filter (renderer, + (CoglNativeFilterFunc)func, data); +} + +void +cogl_win32_renderer_remove_filter (CoglRenderer *renderer, + CoglWin32FilterFunc func, + void *data) +{ + _cogl_renderer_remove_native_filter (renderer, + (CoglNativeFilterFunc)func, data); +} + +void +cogl_win32_renderer_set_event_retrieval_enabled (CoglRenderer *renderer, + CoglBool enable) +{ + _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer)); + /* NB: Renderers are considered immutable once connected */ + _COGL_RETURN_IF_FAIL (!renderer->connected); + + renderer->win32_enable_event_retrieval = enable; +} diff --git a/cogl/cogl-win32-renderer.h b/cogl/cogl-win32-renderer.h new file mode 100644 index 0000000..2947ffa --- /dev/null +++ b/cogl/cogl-win32-renderer.h @@ -0,0 +1,123 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_WIN32_RENDERER_H__ +#define __COGL_WIN32_RENDERER_H__ + +#include +#include + +COGL_BEGIN_DECLS + +/** + * cogl_win32_renderer_handle_event: + * @renderer: a #CoglRenderer + * @message: A pointer to a win32 MSG struct + * + * This function processes a single event; it can be used to hook into + * external event retrieval (for example that done by Clutter or + * GDK). + * + * Return value: #CoglFilterReturn. %COGL_FILTER_REMOVE indicates that + * Cogl has internally handled the event and the caller should do no + * further processing. %COGL_FILTER_CONTINUE indicates that Cogl is + * either not interested in the event, or has used the event to update + * internal state without taking any exclusive action. + */ +CoglFilterReturn +cogl_win32_renderer_handle_event (CoglRenderer *renderer, + MSG *message); + +/** + * CoglWin32FilterFunc: + * @message: A pointer to a win32 MSG struct + * @data: The data that was given when the filter was added + * + * A callback function that can be registered with + * cogl_win32_renderer_add_filter(). The function should return + * %COGL_FILTER_REMOVE if it wants to prevent further processing or + * %COGL_FILTER_CONTINUE otherwise. + */ +typedef CoglFilterReturn (* CoglWin32FilterFunc) (MSG *message, + void *data); + +/** + * cogl_win32_renderer_add_filter: + * @renderer: a #CoglRenderer + * @func: the callback function + * @data: user data passed to @func when called + * + * Adds a callback function that will receive all native events. The + * function can stop further processing of the event by return + * %COGL_FILTER_REMOVE. + */ +void +cogl_win32_renderer_add_filter (CoglRenderer *renderer, + CoglWin32FilterFunc func, + void *data); + +/** + * cogl_win32_renderer_remove_filter: + * @renderer: a #CoglRenderer + * @func: the callback function + * @data: user data given when the callback was installed + * + * Removes a callback that was previously added with + * cogl_win32_renderer_add_filter(). + */ +void +cogl_win32_renderer_remove_filter (CoglRenderer *renderer, + CoglWin32FilterFunc func, + void *data); + +/** + * cogl_win32_renderer_set_event_retrieval_enabled: + * @renderer: a #CoglRenderer + * @enable: The new value + * + * Sets whether Cogl should automatically retrieve messages from + * Windows. It defaults to %TRUE. It can be set to %FALSE if the + * application wants to handle its own message retrieval. Note that + * Cogl still needs to see all of the messages to function properly so + * the application should call cogl_win32_renderer_handle_event() for + * each message if it disables automatic event retrieval. + * + * Since: 1.16 + * Stability: unstable + */ +void +cogl_win32_renderer_set_event_retrieval_enabled (CoglRenderer *renderer, + CoglBool enable); + +COGL_END_DECLS + +#endif /* __COGL_WIN32_RENDERER_H__ */ diff --git a/cogl/cogl-x11-renderer-private.h b/cogl/cogl-x11-renderer-private.h new file mode 100644 index 0000000..17655da --- /dev/null +++ b/cogl/cogl-x11-renderer-private.h @@ -0,0 +1,40 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_RENDERER_X11_PRIVATE_H +#define __COGL_RENDERER_X11_PRIVATE_H + +typedef struct _CoglX11Renderer +{ + int damage_base; + int randr_base; +} CoglX11Renderer; + +#endif /* __COGL_RENDERER_X11_PRIVATE_H */ diff --git a/cogl/cogl-xlib-private.h b/cogl/cogl-xlib-private.h new file mode 100644 index 0000000..992a320 --- /dev/null +++ b/cogl/cogl-xlib-private.h @@ -0,0 +1,54 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_XLIB_PRIVATE_H +#define __COGL_XLIB_PRIVATE_H + +#include + +typedef struct _CoglXlibTrapState CoglXlibTrapState; + +struct _CoglXlibTrapState +{ + /* These values are intended to be internal to + * _cogl_xlib_{un,}trap_errors but they need to be in the header so + * that the struct can be allocated on the stack */ + int (* old_error_handler) (Display *, XErrorEvent *); + int trapped_error_code; + CoglXlibTrapState *old_state; +}; + +void +_cogl_xlib_query_damage_extension (void); + +int +_cogl_xlib_get_damage_base (void); + +#endif /* __COGL_XLIB_PRIVATE_H */ diff --git a/cogl/cogl-xlib-renderer-private.h b/cogl/cogl-xlib-renderer-private.h new file mode 100644 index 0000000..3c2b682 --- /dev/null +++ b/cogl/cogl-xlib-renderer-private.h @@ -0,0 +1,101 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_RENDERER_XLIB_PRIVATE_H +#define __COGL_RENDERER_XLIB_PRIVATE_H + +#include "cogl-object-private.h" +#include "cogl-xlib-private.h" +#include "cogl-x11-renderer-private.h" +#include "cogl-context.h" +#include "cogl-output.h" + +typedef struct _CoglXlibRenderer +{ + CoglX11Renderer _parent; + + Display *xdpy; + + /* Current top of the XError trap state stack. The actual memory for + these is expected to be allocated on the stack by the caller */ + CoglXlibTrapState *trap_state; + + unsigned long outputs_update_serial; +} CoglXlibRenderer; + +CoglBool +_cogl_xlib_renderer_connect (CoglRenderer *renderer, CoglError **error); + +void +_cogl_xlib_renderer_disconnect (CoglRenderer *renderer); + +/* + * cogl_xlib_renderer_trap_errors: + * @state: A temporary place to store data for the trap. + * + * Traps every X error until _cogl_xlib_renderer_untrap_errors() + * called. You should allocate an uninitialised CoglXlibTrapState + * struct on the stack to pass to this function. The same pointer + * should later be passed to _cogl_xlib_renderer_untrap_errors(). + * + * Calls to _cogl_xlib_renderer_trap_errors() can be nested as long as + * _cogl_xlib_renderer_untrap_errors() is called with the + * corresponding state pointers in reverse order. + */ +void +_cogl_xlib_renderer_trap_errors (CoglRenderer *renderer, + CoglXlibTrapState *state); + +/* + * cogl_xlib_renderer_untrap_errors: + * @state: The state that was passed to _cogl_xlib_renderer_trap_errors(). + * + * Removes the X error trap and returns the current status. + * + * Return value: the trapped error code, or 0 for success + */ +int +_cogl_xlib_renderer_untrap_errors (CoglRenderer *renderer, + CoglXlibTrapState *state); + +CoglXlibRenderer * +_cogl_xlib_renderer_get_data (CoglRenderer *renderer); + +int64_t +_cogl_xlib_renderer_get_dispatch_timeout (CoglRenderer *renderer); + +CoglOutput * +_cogl_xlib_renderer_output_for_rectangle (CoglRenderer *renderer, + int x, + int y, + int width, + int height); + +#endif /* __COGL_RENDERER_XLIB_PRIVATE_H */ diff --git a/cogl/cogl-xlib-renderer.c b/cogl/cogl-xlib-renderer.c new file mode 100644 index 0000000..740f1e4 --- /dev/null +++ b/cogl/cogl-xlib-renderer.c @@ -0,0 +1,660 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-xlib-renderer.h" +#include "cogl-util.h" +#include "cogl-object.h" + +#include "cogl-output-private.h" +#include "cogl-renderer-private.h" +#include "cogl-xlib-renderer-private.h" +#include "cogl-x11-renderer-private.h" +#include "cogl-winsys-private.h" +#include "cogl-error-private.h" +#include "cogl-poll-private.h" + +#include +#include +#include + +#include +#include + +static char *_cogl_x11_display_name = NULL; +static GList *_cogl_xlib_renderers = NULL; + +static void +destroy_xlib_renderer_data (void *user_data) +{ + g_slice_free (CoglXlibRenderer, user_data); +} + +CoglXlibRenderer * +_cogl_xlib_renderer_get_data (CoglRenderer *renderer) +{ + static CoglUserDataKey key; + CoglXlibRenderer *data; + + /* Constructs a CoglXlibRenderer struct on demand and attaches it to + the object using user data. It's done this way instead of using a + subclassing hierarchy in the winsys data because all EGL winsys's + need the EGL winsys data but only one of them wants the Xlib + data. */ + + data = cogl_object_get_user_data (COGL_OBJECT (renderer), &key); + + if (data == NULL) + { + data = g_slice_new0 (CoglXlibRenderer); + + cogl_object_set_user_data (COGL_OBJECT (renderer), + &key, + data, + destroy_xlib_renderer_data); + } + + return data; +} + +static void +register_xlib_renderer (CoglRenderer *renderer) +{ + GList *l; + + for (l = _cogl_xlib_renderers; l; l = l->next) + if (l->data == renderer) + return; + + _cogl_xlib_renderers = g_list_prepend (_cogl_xlib_renderers, renderer); +} + +static void +unregister_xlib_renderer (CoglRenderer *renderer) +{ + _cogl_xlib_renderers = g_list_remove (_cogl_xlib_renderers, renderer); +} + +static CoglRenderer * +get_renderer_for_xdisplay (Display *xdpy) +{ + GList *l; + + for (l = _cogl_xlib_renderers; l; l = l->next) + { + CoglRenderer *renderer = l->data; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + + if (xlib_renderer->xdpy == xdpy) + return renderer; + } + + return NULL; +} + +static int +error_handler (Display *xdpy, + XErrorEvent *error) +{ + CoglRenderer *renderer; + CoglXlibRenderer *xlib_renderer; + + renderer = get_renderer_for_xdisplay (xdpy); + + xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + g_assert (xlib_renderer->trap_state); + + xlib_renderer->trap_state->trapped_error_code = error->error_code; + + return 0; +} + +void +_cogl_xlib_renderer_trap_errors (CoglRenderer *renderer, + CoglXlibTrapState *state) +{ + CoglXlibRenderer *xlib_renderer; + + xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + + state->trapped_error_code = 0; + state->old_error_handler = XSetErrorHandler (error_handler); + + state->old_state = xlib_renderer->trap_state; + xlib_renderer->trap_state = state; +} + +int +_cogl_xlib_renderer_untrap_errors (CoglRenderer *renderer, + CoglXlibTrapState *state) +{ + CoglXlibRenderer *xlib_renderer; + + xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + g_assert (state == xlib_renderer->trap_state); + + XSetErrorHandler (state->old_error_handler); + + xlib_renderer->trap_state = state->old_state; + + return state->trapped_error_code; +} + +static Display * +assert_xlib_display (CoglRenderer *renderer, CoglError **error) +{ + Display *xdpy = cogl_xlib_renderer_get_foreign_display (renderer); + CoglXlibRenderer *xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + + /* A foreign display may have already been set... */ + if (xdpy) + { + xlib_renderer->xdpy = xdpy; + return xdpy; + } + + xdpy = XOpenDisplay (_cogl_x11_display_name); + if (xdpy == NULL) + { + _cogl_set_error (error, + COGL_RENDERER_ERROR, + COGL_RENDERER_ERROR_XLIB_DISPLAY_OPEN, + "Failed to open X Display %s", _cogl_x11_display_name); + return NULL; + } + + xlib_renderer->xdpy = xdpy; + return xdpy; +} + +static int +compare_outputs (CoglOutput *a, + CoglOutput *b) +{ + return strcmp (a->name, b->name); +} + +#define CSO(X) COGL_SUBPIXEL_ORDER_ ## X +static CoglSubpixelOrder subpixel_map[6][6] = { + { CSO(UNKNOWN), CSO(NONE), CSO(HORIZONTAL_RGB), CSO(HORIZONTAL_BGR), + CSO(VERTICAL_RGB), CSO(VERTICAL_BGR) }, /* 0 */ + { CSO(UNKNOWN), CSO(NONE), CSO(VERTICAL_RGB), CSO(VERTICAL_BGR), + CSO(HORIZONTAL_BGR), CSO(HORIZONTAL_RGB) }, /* 90 */ + { CSO(UNKNOWN), CSO(NONE), CSO(HORIZONTAL_BGR), CSO(HORIZONTAL_RGB), + CSO(VERTICAL_BGR), CSO(VERTICAL_RGB) }, /* 180 */ + { CSO(UNKNOWN), CSO(NONE), CSO(VERTICAL_BGR), CSO(VERTICAL_RGB), + CSO(HORIZONTAL_RGB), CSO(HORIZONTAL_BGR) }, /* 270 */ + { CSO(UNKNOWN), CSO(NONE), CSO(HORIZONTAL_BGR), CSO(HORIZONTAL_RGB), + CSO(VERTICAL_RGB), CSO(VERTICAL_BGR) }, /* Reflect_X */ + { CSO(UNKNOWN), CSO(NONE), CSO(HORIZONTAL_RGB), CSO(HORIZONTAL_BGR), + CSO(VERTICAL_BGR), CSO(VERTICAL_RGB) }, /* Reflect_Y */ +}; +#undef CSO + +static void +update_outputs (CoglRenderer *renderer, + CoglBool notify) +{ + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + XRRScreenResources *resources; + CoglXlibTrapState state; + CoglBool error = FALSE; + GList *new_outputs = NULL; + GList *l, *m; + CoglBool changed = FALSE; + int i; + + xlib_renderer->outputs_update_serial = XNextRequest (xlib_renderer->xdpy); + + resources = XRRGetScreenResources (xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy)); + + _cogl_xlib_renderer_trap_errors (renderer, &state); + + for (i = 0; resources && i < resources->ncrtc && !error; i++) + { + XRRCrtcInfo *crtc_info = NULL; + XRROutputInfo *output_info = NULL; + CoglOutput *output; + float refresh_rate = 0; + int j; + + crtc_info = XRRGetCrtcInfo (xlib_renderer->xdpy, + resources, resources->crtcs[i]); + if (crtc_info == NULL) + { + error = TRUE; + goto next; + } + + if (crtc_info->mode == None) + goto next; + + for (j = 0; j < resources->nmode; j++) + { + if (resources->modes[j].id == crtc_info->mode) + refresh_rate = (resources->modes[j].dotClock / + ((float)resources->modes[j].hTotal * + resources->modes[j].vTotal)); + } + + output_info = XRRGetOutputInfo (xlib_renderer->xdpy, + resources, + crtc_info->outputs[0]); + if (output_info == NULL) + { + error = TRUE; + goto next; + } + + output = _cogl_output_new (output_info->name); + output->x = crtc_info->x; + output->y = crtc_info->y; + output->width = crtc_info->width; + output->height = crtc_info->height; + if ((crtc_info->rotation & (RR_Rotate_90 | RR_Rotate_270)) != 0) + { + output->mm_width = output_info->mm_height; + output->mm_height = output_info->mm_width; + } + else + { + output->mm_width = output_info->mm_width; + output->mm_height = output_info->mm_height; + } + + output->refresh_rate = refresh_rate; + + switch (output_info->subpixel_order) + { + case SubPixelUnknown: + default: + output->subpixel_order = COGL_SUBPIXEL_ORDER_UNKNOWN; + break; + case SubPixelNone: + output->subpixel_order = COGL_SUBPIXEL_ORDER_NONE; + break; + case SubPixelHorizontalRGB: + output->subpixel_order = COGL_SUBPIXEL_ORDER_HORIZONTAL_RGB; + break; + case SubPixelHorizontalBGR: + output->subpixel_order = COGL_SUBPIXEL_ORDER_HORIZONTAL_BGR; + break; + case SubPixelVerticalRGB: + output->subpixel_order = COGL_SUBPIXEL_ORDER_VERTICAL_RGB; + break; + case SubPixelVerticalBGR: + output->subpixel_order = COGL_SUBPIXEL_ORDER_VERTICAL_BGR; + break; + } + + output->subpixel_order = COGL_SUBPIXEL_ORDER_HORIZONTAL_RGB; + + /* Handle the effect of rotation and reflection on subpixel order (ugh) */ + for (j = 0; j < 6; j++) + { + if ((crtc_info->rotation & (1 << j)) != 0) + output->subpixel_order = subpixel_map[j][output->subpixel_order]; + } + + new_outputs = g_list_prepend (new_outputs, output); + + next: + if (crtc_info != NULL) + XFree (crtc_info); + + if (output_info != NULL) + XFree (output_info); + } + + XFree (resources); + + if (!error) + { + new_outputs = g_list_sort (new_outputs, (GCompareFunc)compare_outputs); + + l = new_outputs; + m = renderer->outputs; + + while (l || m) + { + int cmp; + CoglOutput *output_l = l ? (CoglOutput *)l->data : NULL; + CoglOutput *output_m = m ? (CoglOutput *)m->data : NULL; + + if (l && m) + cmp = compare_outputs (output_l, output_m); + else if (l) + cmp = -1; + else + cmp = 1; + + if (cmp == 0) + { + GList *m_next = m->next; + + if (!_cogl_output_values_equal (output_l, output_m)) + { + renderer->outputs = g_list_remove_link (renderer->outputs, m); + renderer->outputs = g_list_insert_before (renderer->outputs, + m_next, output_l); + cogl_object_ref (output_l); + + changed = TRUE; + } + + l = l->next; + m = m_next; + } + else if (cmp < 0) + { + renderer->outputs = + g_list_insert_before (renderer->outputs, m, output_l); + cogl_object_ref (output_l); + changed = TRUE; + l = l->next; + } + else + { + GList *m_next = m->next; + renderer->outputs = g_list_remove_link (renderer->outputs, m); + changed = TRUE; + m = m_next; + } + } + } + + g_list_free_full (new_outputs, (GDestroyNotify)cogl_object_unref); + _cogl_xlib_renderer_untrap_errors (renderer, &state); + + if (changed) + { + const CoglWinsysVtable *winsys = renderer->winsys_vtable; + + if (notify) + COGL_NOTE (WINSYS, "Outputs changed:"); + else + COGL_NOTE (WINSYS, "Outputs:"); + + for (l = renderer->outputs; l; l = l->next) + { + CoglOutput *output = l->data; + const char *subpixel_string; + + switch (output->subpixel_order) + { + case COGL_SUBPIXEL_ORDER_UNKNOWN: + default: + subpixel_string = "unknown"; + break; + case COGL_SUBPIXEL_ORDER_NONE: + subpixel_string = "none"; + break; + case COGL_SUBPIXEL_ORDER_HORIZONTAL_RGB: + subpixel_string = "horizontal_rgb"; + break; + case COGL_SUBPIXEL_ORDER_HORIZONTAL_BGR: + subpixel_string = "horizontal_bgr"; + break; + case COGL_SUBPIXEL_ORDER_VERTICAL_RGB: + subpixel_string = "vertical_rgb"; + break; + case COGL_SUBPIXEL_ORDER_VERTICAL_BGR: + subpixel_string = "vertical_bgr"; + break; + } + + COGL_NOTE (WINSYS, + " %10s: +%d+%dx%dx%d mm=%dx%d dpi=%.1fx%.1f " + "subpixel_order=%s refresh_rate=%.3f", + output->name, + output->x, output->y, output->width, output->height, + output->mm_width, output->mm_height, + output->width / (output->mm_width / 25.4), + output->height / (output->mm_height / 25.4), + subpixel_string, + output->refresh_rate); + } + + if (notify && winsys->renderer_outputs_changed != NULL) + winsys->renderer_outputs_changed (renderer); + } +} + +static CoglFilterReturn +randr_filter (XEvent *event, + void *data) +{ + CoglRenderer *renderer = data; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + CoglX11Renderer *x11_renderer = + (CoglX11Renderer *) xlib_renderer; + + if (x11_renderer->randr_base != -1 && + (event->xany.type == x11_renderer->randr_base + RRScreenChangeNotify || + event->xany.type == x11_renderer->randr_base + RRNotify) && + event->xany.serial >= xlib_renderer->outputs_update_serial) + update_outputs (renderer, TRUE); + + return COGL_FILTER_CONTINUE; +} + +static int64_t +prepare_xlib_events_timeout (void *user_data) +{ + CoglRenderer *renderer = user_data; + CoglXlibRenderer *xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + + return XPending (xlib_renderer->xdpy) ? 0 : -1; +} + +static void +dispatch_xlib_events (void *user_data, int revents) +{ + CoglRenderer *renderer = user_data; + CoglXlibRenderer *xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + + if (renderer->xlib_enable_event_retrieval) + while (XPending (xlib_renderer->xdpy)) + { + XEvent xevent; + + XNextEvent (xlib_renderer->xdpy, &xevent); + + cogl_xlib_renderer_handle_event (renderer, &xevent); + } +} + +CoglBool +_cogl_xlib_renderer_connect (CoglRenderer *renderer, CoglError **error) +{ + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + CoglX11Renderer *x11_renderer = + (CoglX11Renderer *) xlib_renderer; + int damage_error; + int randr_error; + + if (!assert_xlib_display (renderer, error)) + return FALSE; + + if (getenv ("COGL_X11_SYNC")) + XSynchronize (xlib_renderer->xdpy, TRUE); + + /* Check whether damage events are supported on this display */ + if (!XDamageQueryExtension (xlib_renderer->xdpy, + &x11_renderer->damage_base, + &damage_error)) + x11_renderer->damage_base = -1; + + /* Check whether randr is supported on this display */ + if (!XRRQueryExtension (xlib_renderer->xdpy, + &x11_renderer->randr_base, + &randr_error)) + x11_renderer->randr_base = -1; + + xlib_renderer->trap_state = NULL; + + if (renderer->xlib_enable_event_retrieval) + { + _cogl_poll_renderer_add_fd (renderer, + ConnectionNumber (xlib_renderer->xdpy), + COGL_POLL_FD_EVENT_IN, + prepare_xlib_events_timeout, + dispatch_xlib_events, + renderer); + } + + XRRSelectInput(xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy), + RRScreenChangeNotifyMask + | RRCrtcChangeNotifyMask + | RROutputPropertyNotifyMask); + update_outputs (renderer, FALSE); + + register_xlib_renderer (renderer); + + cogl_xlib_renderer_add_filter (renderer, + randr_filter, + renderer); + + return TRUE; +} + +void +_cogl_xlib_renderer_disconnect (CoglRenderer *renderer) +{ + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + + g_list_free_full (renderer->outputs, (GDestroyNotify)cogl_object_unref); + renderer->outputs = NULL; + + if (!renderer->foreign_xdpy && xlib_renderer->xdpy) + XCloseDisplay (xlib_renderer->xdpy); + + unregister_xlib_renderer (renderer); +} + +Display * +cogl_xlib_renderer_get_display (CoglRenderer *renderer) +{ + CoglXlibRenderer *xlib_renderer; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL); + + xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + + return xlib_renderer->xdpy; +} + +CoglFilterReturn +cogl_xlib_renderer_handle_event (CoglRenderer *renderer, + XEvent *event) +{ + return _cogl_renderer_handle_native_event (renderer, event); +} + +void +cogl_xlib_renderer_add_filter (CoglRenderer *renderer, + CoglXlibFilterFunc func, + void *data) +{ + _cogl_renderer_add_native_filter (renderer, + (CoglNativeFilterFunc)func, data); +} + +void +cogl_xlib_renderer_remove_filter (CoglRenderer *renderer, + CoglXlibFilterFunc func, + void *data) +{ + _cogl_renderer_remove_native_filter (renderer, + (CoglNativeFilterFunc)func, data); +} + +int64_t +_cogl_xlib_renderer_get_dispatch_timeout (CoglRenderer *renderer) +{ + CoglXlibRenderer *xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + + if (renderer->xlib_enable_event_retrieval) + { + if (XPending (xlib_renderer->xdpy)) + return 0; + else + return -1; + } + else + return -1; +} + +CoglOutput * +_cogl_xlib_renderer_output_for_rectangle (CoglRenderer *renderer, + int x, + int y, + int width, + int height) +{ + int max_overlap = 0; + CoglOutput *max_overlapped = NULL; + GList *l; + int xa1 = x, xa2 = x + width; + int ya1 = y, ya2 = y + height; + + for (l = renderer->outputs; l; l = l->next) + { + CoglOutput *output = l->data; + int xb1 = output->x, xb2 = output->x + output->width; + int yb1 = output->y, yb2 = output->y + output->height; + + int overlap_x = MIN(xa2, xb2) - MAX(xa1, xb1); + int overlap_y = MIN(ya2, yb2) - MAX(ya1, yb1); + + if (overlap_x > 0 && overlap_y > 0) + { + int overlap = overlap_x * overlap_y; + if (overlap > max_overlap) + { + max_overlap = overlap; + max_overlapped = output; + } + } + } + + return max_overlapped; +} diff --git a/cogl/cogl-xlib-renderer.h b/cogl/cogl-xlib-renderer.h new file mode 100644 index 0000000..6318957 --- /dev/null +++ b/cogl/cogl-xlib-renderer.h @@ -0,0 +1,187 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_XLIB_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_XLIB_RENDERER_H__ +#define __COGL_XLIB_RENDERER_H__ + +#include + +/* NB: this is a top-level header that can be included directly but we + * want to be careful not to define __COGL_H_INSIDE__ when this is + * included internally while building Cogl itself since + * __COGL_H_INSIDE__ is used in headers to guard public vs private api + * definitions + */ +#ifndef COGL_COMPILATION + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_XLIB_RENDERER_H_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* COGL_COMPILATION */ + +#include + +COGL_BEGIN_DECLS + +/* + * cogl_xlib_renderer_handle_event: + * @renderer: a #CoglRenderer + * @event: pointer to an XEvent structure + * + * This function processes a single event; it can be used to hook into + * external event retrieval (for example that done by Clutter or + * GDK). + * + * Return value: #CoglFilterReturn. %COGL_FILTER_REMOVE indicates that + * Cogl has internally handled the event and the caller should do no + * further processing. %COGL_FILTER_CONTINUE indicates that Cogl is + * either not interested in the event, or has used the event to update + * internal state without taking any exclusive action. + */ +CoglFilterReturn +cogl_xlib_renderer_handle_event (CoglRenderer *renderer, + XEvent *event); + +/* + * CoglXlibFilterFunc: + * @event: pointer to an XEvent structure + * @data: the data that was given when the filter was added + * + * A callback function that can be registered with + * cogl_xlib_renderer_add_filter(). The function should return + * %COGL_FILTER_REMOVE if it wants to prevent further processing or + * %COGL_FILTER_CONTINUE otherwise. + */ +typedef CoglFilterReturn (* CoglXlibFilterFunc) (XEvent *event, + void *data); + +/* + * cogl_xlib_renderer_add_filter: + * @renderer: a #CoglRenderer + * @func: the callback function + * @data: user data passed to @func when called + * + * Adds a callback function that will receive all native events. The + * function can stop further processing of the event by return + * %COGL_FILTER_REMOVE. + */ +void +cogl_xlib_renderer_add_filter (CoglRenderer *renderer, + CoglXlibFilterFunc func, + void *data); + +/* + * cogl_xlib_renderer_remove_filter: + * @renderer: a #CoglRenderer + * @func: the callback function + * @data: user data given when the callback was installed + * + * Removes a callback that was previously added with + * cogl_xlib_renderer_add_filter(). + */ +void +cogl_xlib_renderer_remove_filter (CoglRenderer *renderer, + CoglXlibFilterFunc func, + void *data); + +/* + * cogl_xlib_renderer_get_foreign_display: + * @renderer: a #CoglRenderer + * + * Return value: the foreign Xlib display that will be used by any Xlib based + * winsys backend. The display needs to be set with + * cogl_xlib_renderer_set_foreign_display() before this function is called. + */ +Display * +cogl_xlib_renderer_get_foreign_display (CoglRenderer *renderer); + +/* + * cogl_xlib_renderer_set_foreign_display: + * @renderer: a #CoglRenderer + * + * Sets a foreign Xlib display that Cogl will use for and Xlib based winsys + * backend. + * + * Note that calling this function will automatically call + * cogl_xlib_renderer_set_event_retrieval_enabled() to disable Cogl's + * event retrieval. Cogl still needs to see all of the X events so the + * application should also use cogl_xlib_renderer_handle_event() if it + * uses this function. + */ +void +cogl_xlib_renderer_set_foreign_display (CoglRenderer *renderer, + Display *display); + +/** + * cogl_xlib_renderer_set_event_retrieval_enabled: + * @renderer: a #CoglRenderer + * @enable: The new value + * + * Sets whether Cogl should automatically retrieve events from the X + * display. This defaults to %TRUE unless + * cogl_xlib_renderer_set_foreign_display() is called. It can be set + * to %FALSE if the application wants to handle its own event + * retrieval. Note that Cogl still needs to see all of the X events to + * function properly so the application should call + * cogl_xlib_renderer_handle_event() for each event if it disables + * automatic event retrieval. + * + * Since: 1.10 + * Stability: unstable + */ +void +cogl_xlib_renderer_set_event_retrieval_enabled (CoglRenderer *renderer, + CoglBool enable); + +Display * +cogl_xlib_renderer_get_display (CoglRenderer *renderer); + +COGL_END_DECLS + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_XLIB_RENDERER_H_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_XLIB_RENDERER_H_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_XLIB_RENDERER_H__ */ diff --git a/cogl/cogl-xlib.c b/cogl/cogl-xlib.c new file mode 100644 index 0000000..315a1bf --- /dev/null +++ b/cogl/cogl-xlib.c @@ -0,0 +1,112 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "cogl-xlib.h" + +/* FIXME: when we remove the last X11 based Clutter backend then we + * will get rid of these functions and instead rely on the equivalent + * _cogl_xlib_renderer API + */ + +/* This can't be in the Cogl context because it can be set before + context is created */ +static Display *_cogl_xlib_display = NULL; + +Display * +cogl_xlib_get_display (void) +{ + _COGL_GET_CONTEXT (ctx, NULL); + + return cogl_xlib_renderer_get_display (ctx->display->renderer); +} + +void +cogl_xlib_set_display (Display *display) +{ + /* This can only be called once before the Cogl context is created */ + g_assert (_cogl_xlib_display == NULL); + + _cogl_xlib_display = display; +} + +/* These three functions are wrappers around the equivalent renderer + functions. They can be removed once all xlib-based backends in + Clutter know about the renderer */ +CoglFilterReturn +cogl_xlib_handle_event (XEvent *xevent) +{ + _COGL_GET_CONTEXT (ctx, COGL_FILTER_CONTINUE); + + /* Pass the event on to the renderer */ + return cogl_xlib_renderer_handle_event (ctx->display->renderer, xevent); +} + +void +_cogl_xlib_query_damage_extension (void) +{ + int damage_error; + Display *display; + + _COGL_GET_CONTEXT (ctxt, NO_RETVAL); + + /* Check whether damage events are supported on this display */ + display = cogl_xlib_renderer_get_display (ctxt->display->renderer); + if (!XDamageQueryExtension (display, &ctxt->damage_base, &damage_error)) + ctxt->damage_base = -1; +} + +int +_cogl_xlib_get_damage_base (void) +{ + CoglX11Renderer *x11_renderer; + _COGL_GET_CONTEXT (ctxt, -1); + + x11_renderer = + (CoglX11Renderer *) _cogl_xlib_renderer_get_data (ctxt->display->renderer); + return x11_renderer->damage_base; +} diff --git a/cogl/cogl-xlib.h b/cogl/cogl-xlib.h new file mode 100644 index 0000000..ac4a140 --- /dev/null +++ b/cogl/cogl-xlib.h @@ -0,0 +1,132 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __COGL_XLIB_H__ +#define __COGL_XLIB_H__ + +#include + +/* NB: this is a top-level header that can be included directly but we + * want to be careful not to define __COGL_H_INSIDE__ when this is + * included internally while building Cogl itself since + * __COGL_H_INSIDE__ is used in headers to guard public vs private api + * definitions + */ +#ifndef COGL_COMPILATION + +/* Note: When building Cogl .gir we explicitly define + * __COGL_XLIB_H_INSIDE__ */ +#ifndef __COGL_XLIB_H_INSIDE__ +#define __COGL_XLIB_H_INSIDE__ +#endif + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_XLIB_H_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* COGL_COMPILATION */ + +#include +#include +#include +#include + +COGL_BEGIN_DECLS + +/* + * cogl_xlib_get_display: + * + * Return value: the Xlib display that will be used by the Xlib winsys + * backend. The display needs to be set with _cogl_xlib_set_display() + * before this function is called. + * + * Stability: Unstable + * Deprecated: 1.16: Use cogl_xlib_renderer_get_display() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_xlib_renderer_get_display) +Display * +cogl_xlib_get_display (void); + +/* + * cogl_xlib_set_display: + * + * Sets the Xlib display that Cogl will use for the Xlib winsys + * backend. This function should eventually go away when Cogl gains a + * more complete winsys abstraction. + * + * Stability: Unstable + * Deprecated: 1.16: Use cogl_xlib_renderer_set_foreign_display() + * instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_xlib_renderer_set_foreign_display) +void +cogl_xlib_set_display (Display *display); + +/* + * cogl_xlib_handle_event: + * @xevent: pointer to XEvent structure + * + * This function processes a single X event; it can be used to hook + * into external X event retrieval (for example that done by Clutter + * or GDK). + * + * Return value: #CoglXlibFilterReturn. %COGL_XLIB_FILTER_REMOVE + * indicates that Cogl has internally handled the event and the + * caller should do no further processing. %COGL_XLIB_FILTER_CONTINUE + * indicates that Cogl is either not interested in the event, + * or has used the event to update internal state without taking + * any exclusive action. + * + * Stability: Unstable + * Deprecated: 1.16: Use cogl_xlib_renderer_handle_event() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_xlib_renderer_handle_event) +CoglFilterReturn +cogl_xlib_handle_event (XEvent *xevent); + +COGL_END_DECLS + + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_XLIB_H_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_XLIB_H_INSIDE__ +#undef __COGL_XLIB_H_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_XLIB_H__ */ diff --git a/cogl/cogl.c b/cogl/cogl.c new file mode 100644 index 0000000..d269bc4 --- /dev/null +++ b/cogl/cogl.c @@ -0,0 +1,823 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#include + +#include +#include +#include + +#define COGL_VERSION_MIN_REQUIRED COGL_VERSION_1_4 + +#include "cogl-i18n-private.h" +#include "cogl-debug.h" +#include "cogl-util.h" +#include "cogl-context-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-winsys-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-matrix-private.h" +#include "cogl-journal-private.h" +#include "cogl-bitmap-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-driver.h" +#include "cogl-attribute-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-renderer-private.h" +#include "cogl-config-private.h" +#include "cogl-private.h" +#include "cogl1-context.h" +#include "cogl-offscreen.h" +#include "cogl-attribute-gl-private.h" +#include "cogl-clutter.h" + +CoglFuncPtr +cogl_get_proc_address (const char* name) +{ + _COGL_GET_CONTEXT (ctx, NULL); + + return _cogl_renderer_get_proc_address (ctx->display->renderer, name, FALSE); +} + +CoglBool +_cogl_check_extension (const char *name, char * const *ext) +{ + while (*ext) + if (!strcmp (name, *ext)) + return TRUE; + else + ext++; + + return FALSE; +} + +/* XXX: This has been deprecated as public API */ +CoglBool +cogl_check_extension (const char *name, const char *ext) +{ + return cogl_clutter_check_extension (name, ext); +} + +/* XXX: it's expected that we'll deprecated this with + * cogl_framebuffer_clear at some point. */ +void +cogl_clear (const CoglColor *color, unsigned long buffers) +{ + cogl_framebuffer_clear (cogl_get_draw_framebuffer (), buffers, color); +} + +/* XXX: This API has been deprecated */ +void +cogl_set_depth_test_enabled (CoglBool setting) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->legacy_depth_test_enabled == setting) + return; + + ctx->legacy_depth_test_enabled = setting; + if (ctx->legacy_depth_test_enabled) + ctx->legacy_state_set++; + else + ctx->legacy_state_set--; +} + +/* XXX: This API has been deprecated */ +CoglBool +cogl_get_depth_test_enabled (void) +{ + _COGL_GET_CONTEXT (ctx, FALSE); + return ctx->legacy_depth_test_enabled; +} + +void +cogl_set_backface_culling_enabled (CoglBool setting) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->legacy_backface_culling_enabled == setting) + return; + + ctx->legacy_backface_culling_enabled = setting; + + if (ctx->legacy_backface_culling_enabled) + ctx->legacy_state_set++; + else + ctx->legacy_state_set--; +} + +CoglBool +cogl_get_backface_culling_enabled (void) +{ + _COGL_GET_CONTEXT (ctx, FALSE); + + return ctx->legacy_backface_culling_enabled; +} + +void +cogl_set_source_color (const CoglColor *color) +{ + CoglPipeline *pipeline; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (cogl_color_get_alpha_byte (color) == 0xff) + { + cogl_pipeline_set_color (ctx->opaque_color_pipeline, color); + pipeline = ctx->opaque_color_pipeline; + } + else + { + CoglColor premultiplied = *color; + cogl_color_premultiply (&premultiplied); + cogl_pipeline_set_color (ctx->blended_color_pipeline, &premultiplied); + pipeline = ctx->blended_color_pipeline; + } + + cogl_set_source (pipeline); +} + +void +cogl_set_viewport (int x, + int y, + int width, + int height) +{ + CoglFramebuffer *framebuffer; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + framebuffer = cogl_get_draw_framebuffer (); + + cogl_framebuffer_set_viewport (framebuffer, + x, + y, + width, + height); +} + +/* XXX: This should be deprecated, and we should expose a way to also + * specify an x and y viewport offset */ +void +cogl_viewport (unsigned int width, + unsigned int height) +{ + cogl_set_viewport (0, 0, width, height); +} + +CoglFeatureFlags +cogl_get_features (void) +{ + _COGL_GET_CONTEXT (ctx, 0); + + return ctx->feature_flags; +} + +CoglBool +cogl_features_available (CoglFeatureFlags features) +{ + _COGL_GET_CONTEXT (ctx, 0); + + return (ctx->feature_flags & features) == features; +} + +CoglBool +cogl_has_feature (CoglContext *ctx, CoglFeatureID feature) +{ + return COGL_FLAGS_GET (ctx->features, feature); +} + +CoglBool +cogl_has_features (CoglContext *ctx, ...) +{ + va_list args; + CoglFeatureID feature; + + va_start (args, ctx); + while ((feature = va_arg (args, CoglFeatureID))) + if (!cogl_has_feature (ctx, feature)) + return FALSE; + va_end (args); + + return TRUE; +} + +void +cogl_foreach_feature (CoglContext *ctx, + CoglFeatureCallback callback, + void *user_data) +{ + int i; + for (i = 0; i < _COGL_N_FEATURE_IDS; i++) + if (COGL_FLAGS_GET (ctx->features, i)) + callback (i, user_data); +} + +/* XXX: This function should either be replaced with one returning + * integers, or removed/deprecated and make the + * _cogl_framebuffer_get_viewport* functions public. + */ +void +cogl_get_viewport (float viewport[4]) +{ + CoglFramebuffer *framebuffer; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + framebuffer = cogl_get_draw_framebuffer (); + cogl_framebuffer_get_viewport4fv (framebuffer, viewport); +} + +void +cogl_get_bitmasks (int *red, + int *green, + int *blue, + int *alpha) +{ + CoglFramebuffer *framebuffer; + + framebuffer = cogl_get_draw_framebuffer (); + + if (red) + *red = cogl_framebuffer_get_red_bits (framebuffer); + + if (green) + *green = cogl_framebuffer_get_green_bits (framebuffer); + + if (blue) + *blue = cogl_framebuffer_get_blue_bits (framebuffer); + + if (alpha) + *alpha = cogl_framebuffer_get_alpha_bits (framebuffer); +} + +void +cogl_set_fog (const CoglColor *fog_color, + CoglFogMode mode, + float density, + float z_near, + float z_far) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->legacy_fog_state.enabled == FALSE) + ctx->legacy_state_set++; + + ctx->legacy_fog_state.enabled = TRUE; + ctx->legacy_fog_state.color = *fog_color; + ctx->legacy_fog_state.mode = mode; + ctx->legacy_fog_state.density = density; + ctx->legacy_fog_state.z_near = z_near; + ctx->legacy_fog_state.z_far = z_far; +} + +void +cogl_disable_fog (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->legacy_fog_state.enabled == TRUE) + ctx->legacy_state_set--; + + ctx->legacy_fog_state.enabled = FALSE; +} + +void +cogl_flush (void) +{ + GList *l; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + for (l = ctx->framebuffers; l; l = l->next) + _cogl_framebuffer_flush_journal (l->data); +} + +void +cogl_read_pixels (int x, + int y, + int width, + int height, + CoglReadPixelsFlags source, + CoglPixelFormat format, + uint8_t *pixels) +{ + int bpp = _cogl_pixel_format_get_bytes_per_pixel (format); + CoglBitmap *bitmap; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + bitmap = cogl_bitmap_new_for_data (ctx, + width, height, + format, + bpp * width, /* rowstride */ + pixels); + cogl_framebuffer_read_pixels_into_bitmap (_cogl_get_read_framebuffer (), + x, y, + source, + bitmap); + cogl_object_unref (bitmap); +} + +void +cogl_begin_gl (void) +{ + CoglPipeline *pipeline; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->in_begin_gl_block) + { + static CoglBool shown = FALSE; + if (!shown) + g_warning ("You should not nest cogl_begin_gl/cogl_end_gl blocks"); + shown = TRUE; + return; + } + ctx->in_begin_gl_block = TRUE; + + /* Flush all batched primitives */ + cogl_flush (); + + /* Flush framebuffer state, including clip state, modelview and + * projection matrix state + * + * NB: _cogl_framebuffer_flush_state may disrupt various state (such + * as the pipeline state) when flushing the clip stack, so should + * always be done first when preparing to draw. */ + _cogl_framebuffer_flush_state (cogl_get_draw_framebuffer (), + _cogl_get_read_framebuffer (), + COGL_FRAMEBUFFER_STATE_ALL); + + /* Setup the state for the current pipeline */ + + /* We considered flushing a specific, minimal pipeline here to try and + * simplify the GL state, but decided to avoid special cases and second + * guessing what would be actually helpful. + * + * A user should instead call cogl_set_source_color4ub() before + * cogl_begin_gl() to simplify the state flushed. + * + * XXX: note defining n_tex_coord_attribs using + * cogl_pipeline_get_n_layers is a hack, but the problem is that + * n_tex_coord_attribs is usually defined when drawing a primitive + * which isn't happening here. + * + * Maybe it would be more useful if this code did flush the + * opaque_color_pipeline and then call into cogl-pipeline-opengl.c to then + * restore all state for the material's backend back to default OpenGL + * values. + */ + pipeline = cogl_get_source (); + _cogl_pipeline_flush_gl_state (ctx, + pipeline, + cogl_get_draw_framebuffer (), + FALSE, + FALSE); + + /* Disable any cached vertex arrays */ + _cogl_gl_disable_all_attributes (ctx); +} + +void +cogl_end_gl (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (!ctx->in_begin_gl_block) + { + static CoglBool shown = FALSE; + if (!shown) + g_warning ("cogl_end_gl is being called before cogl_begin_gl"); + shown = TRUE; + return; + } + ctx->in_begin_gl_block = FALSE; +} + +void +cogl_push_matrix (void) +{ + cogl_framebuffer_push_matrix (cogl_get_draw_framebuffer ()); +} + +void +cogl_pop_matrix (void) +{ + cogl_framebuffer_pop_matrix (cogl_get_draw_framebuffer ()); +} + +void +cogl_scale (float x, float y, float z) +{ + cogl_framebuffer_scale (cogl_get_draw_framebuffer (), x, y, z); +} + +void +cogl_translate (float x, float y, float z) +{ + cogl_framebuffer_translate (cogl_get_draw_framebuffer (), x, y, z); +} + +void +cogl_rotate (float angle, float x, float y, float z) +{ + cogl_framebuffer_rotate (cogl_get_draw_framebuffer (), angle, x, y, z); +} + +void +cogl_transform (const CoglMatrix *matrix) +{ + cogl_framebuffer_transform (cogl_get_draw_framebuffer (), matrix); +} + +void +cogl_perspective (float fov_y, + float aspect, + float z_near, + float z_far) +{ + cogl_framebuffer_perspective (cogl_get_draw_framebuffer (), + fov_y, aspect, z_near, z_far); +} + +void +cogl_frustum (float left, + float right, + float bottom, + float top, + float z_near, + float z_far) +{ + cogl_framebuffer_frustum (cogl_get_draw_framebuffer (), + left, right, bottom, top, z_near, z_far); +} + +void +cogl_ortho (float left, + float right, + float bottom, + float top, + float near, + float far) +{ + cogl_framebuffer_orthographic (cogl_get_draw_framebuffer (), + left, top, right, bottom, near, far); +} + +void +cogl_get_modelview_matrix (CoglMatrix *matrix) +{ + cogl_framebuffer_get_modelview_matrix (cogl_get_draw_framebuffer (), matrix); +} + +void +cogl_set_modelview_matrix (CoglMatrix *matrix) +{ + cogl_framebuffer_set_modelview_matrix (cogl_get_draw_framebuffer (), matrix); +} + +void +cogl_get_projection_matrix (CoglMatrix *matrix) +{ + cogl_framebuffer_get_projection_matrix (cogl_get_draw_framebuffer (), matrix); +} + +void +cogl_set_projection_matrix (CoglMatrix *matrix) +{ + cogl_framebuffer_set_projection_matrix (cogl_get_draw_framebuffer (), matrix); +} + +uint32_t +_cogl_driver_error_quark (void) +{ + return g_quark_from_static_string ("cogl-driver-error-quark"); +} + +typedef struct _CoglSourceState +{ + CoglPipeline *pipeline; + int push_count; + /* If this is TRUE then the pipeline will be copied and the legacy + state will be applied whenever the pipeline is used. This is + necessary because some internal Cogl code expects to be able to + push a temporary pipeline to put GL into a known state. For that + to work it also needs to prevent applying the legacy state */ + CoglBool enable_legacy; +} CoglSourceState; + +static void +_push_source_real (CoglPipeline *pipeline, CoglBool enable_legacy) +{ + CoglSourceState *top = g_slice_new (CoglSourceState); + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + top->pipeline = cogl_object_ref (pipeline); + top->enable_legacy = enable_legacy; + top->push_count = 1; + + ctx->source_stack = g_list_prepend (ctx->source_stack, top); +} + +/* FIXME: This should take a context pointer for Cogl 2.0 Technically + * we could make it so we can retrieve a context reference from the + * pipeline, but this would not by symmetric with cogl_pop_source. */ +void +cogl_push_source (void *material_or_pipeline) +{ + CoglPipeline *pipeline = COGL_PIPELINE (material_or_pipeline); + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + _cogl_push_source (pipeline, TRUE); +} + +/* This internal version of cogl_push_source is the same except it + never applies the legacy state. Some parts of Cogl use this + internally to set a temporary pipeline with a known state */ +void +_cogl_push_source (CoglPipeline *pipeline, CoglBool enable_legacy) +{ + CoglSourceState *top; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + + if (ctx->source_stack) + { + top = ctx->source_stack->data; + if (top->pipeline == pipeline && top->enable_legacy == enable_legacy) + { + top->push_count++; + return; + } + else + _push_source_real (pipeline, enable_legacy); + } + else + _push_source_real (pipeline, enable_legacy); +} + +/* FIXME: This needs to take a context pointer for Cogl 2.0 */ +void +cogl_pop_source (void) +{ + CoglSourceState *top; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (ctx->source_stack); + + top = ctx->source_stack->data; + top->push_count--; + if (top->push_count == 0) + { + cogl_object_unref (top->pipeline); + g_slice_free (CoglSourceState, top); + ctx->source_stack = g_list_delete_link (ctx->source_stack, + ctx->source_stack); + } +} + +/* FIXME: This needs to take a context pointer for Cogl 2.0 */ +void * +cogl_get_source (void) +{ + CoglSourceState *top; + + _COGL_GET_CONTEXT (ctx, NULL); + + _COGL_RETURN_VAL_IF_FAIL (ctx->source_stack, NULL); + + top = ctx->source_stack->data; + return top->pipeline; +} + +CoglBool +_cogl_get_enable_legacy_state (void) +{ + CoglSourceState *top; + + _COGL_GET_CONTEXT (ctx, FALSE); + + _COGL_RETURN_VAL_IF_FAIL (ctx->source_stack, FALSE); + + top = ctx->source_stack->data; + return top->enable_legacy; +} + +void +cogl_set_source (void *material_or_pipeline) +{ + CoglSourceState *top; + CoglPipeline *pipeline = COGL_PIPELINE (material_or_pipeline); + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (cogl_is_pipeline (pipeline)); + _COGL_RETURN_IF_FAIL (ctx->source_stack); + + top = ctx->source_stack->data; + if (top->pipeline == pipeline && top->enable_legacy) + return; + + if (top->push_count == 1) + { + /* NB: top->pipeline may be only thing keeping pipeline + * alive currently so ref pipeline first... */ + cogl_object_ref (pipeline); + cogl_object_unref (top->pipeline); + top->pipeline = pipeline; + top->enable_legacy = TRUE; + } + else + { + top->push_count--; + cogl_push_source (pipeline); + } +} + +void +cogl_set_source_texture (CoglTexture *texture) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (texture != NULL); + + cogl_pipeline_set_layer_texture (ctx->texture_pipeline, 0, texture); + cogl_set_source (ctx->texture_pipeline); +} + +void +cogl_set_source_color4ub (uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha) +{ + CoglColor c = { 0, }; + + cogl_color_init_from_4ub (&c, red, green, blue, alpha); + cogl_set_source_color (&c); +} + +void +cogl_set_source_color4f (float red, + float green, + float blue, + float alpha) +{ + CoglColor c = { 0, }; + + cogl_color_init_from_4f (&c, red, green, blue, alpha); + cogl_set_source_color (&c); +} + +/* Scale from OpenGL normalized device coordinates (ranging from -1 to 1) + * to Cogl window/framebuffer coordinates (ranging from 0 to buffer-size) with + * (0,0) being top left. */ +#define VIEWPORT_TRANSFORM_X(x, vp_origin_x, vp_width) \ + ( ( ((x) + 1.0) * ((vp_width) / 2.0) ) + (vp_origin_x) ) +/* Note: for Y we first flip all coordinates around the X axis while in + * normalized device coodinates */ +#define VIEWPORT_TRANSFORM_Y(y, vp_origin_y, vp_height) \ + ( ( ((-(y)) + 1.0) * ((vp_height) / 2.0) ) + (vp_origin_y) ) + +/* Transform a homogeneous vertex position from model space to Cogl + * window coordinates (with 0,0 being top left) */ +void +_cogl_transform_point (const CoglMatrix *matrix_mv, + const CoglMatrix *matrix_p, + const float *viewport, + float *x, + float *y) +{ + float z = 0; + float w = 1; + + /* Apply the modelview matrix transform */ + cogl_matrix_transform_point (matrix_mv, x, y, &z, &w); + + /* Apply the projection matrix transform */ + cogl_matrix_transform_point (matrix_p, x, y, &z, &w); + + /* Perform perspective division */ + *x /= w; + *y /= w; + + /* Apply viewport transform */ + *x = VIEWPORT_TRANSFORM_X (*x, viewport[0], viewport[2]); + *y = VIEWPORT_TRANSFORM_Y (*y, viewport[1], viewport[3]); +} + +#undef VIEWPORT_TRANSFORM_X +#undef VIEWPORT_TRANSFORM_Y + +uint32_t +_cogl_system_error_quark (void) +{ + return g_quark_from_static_string ("cogl-system-error-quark"); +} + +void +_cogl_init (void) +{ + static CoglBool initialized = FALSE; + + if (initialized == FALSE) + { +#ifdef ENABLE_NLS + bindtextdomain (GETTEXT_PACKAGE, COGL_LOCALEDIR); + bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); +#endif + +#ifdef COGL_HAS_GTYPE_SUPPORT + g_type_init (); +#endif + + _cogl_config_read (); + _cogl_debug_check_environment (); + initialized = TRUE; + } +} + +/* + * Returns the number of bytes-per-pixel of a given format. The bpp + * can be extracted from the least significant nibble of the pixel + * format (see CoglPixelFormat). + * + * The mapping is the following (see discussion on bug #660188): + * + * 0 = undefined + * 1, 8 = 1 bpp (e.g. A_8, G_8) + * 2 = 3 bpp, aligned (e.g. 888) + * 3 = 4 bpp, aligned (e.g. 8888) + * 4-6 = 2 bpp, not aligned (e.g. 565, 4444, 5551) + * 7 = undefined yuv + * 9 = 2 bpp, aligned + * 10 = undefined + * 11 = undefined + * 12 = 3 bpp, not aligned + * 13 = 4 bpp, not aligned (e.g. 2101010) + * 14-15 = undefined + */ +int +_cogl_pixel_format_get_bytes_per_pixel (CoglPixelFormat format) +{ + int bpp_lut[] = { 0, 1, 3, 4, + 2, 2, 2, 0, + 1, 2, 0, 0, + 3, 4, 0, 0 }; + + return bpp_lut [format & 0xf]; +} + +/* Note: this also refers to the mapping defined above for + * _cogl_pixel_format_get_bytes_per_pixel() */ +CoglBool +_cogl_pixel_format_is_endian_dependant (CoglPixelFormat format) +{ + int aligned_lut[] = { -1, 1, 1, 1, + 0, 0, 0, -1, + 1, 1, -1, -1, + 0, 0, -1, -1}; + int aligned = aligned_lut[format & 0xf]; + + _COGL_RETURN_VAL_IF_FAIL (aligned != -1, FALSE); + + /* NB: currently checking whether the format components are aligned + * or not determines whether the format is endian dependent or not. + * In the future though we might consider adding formats with + * aligned components that are also endian independant. */ + + return aligned; +} diff --git a/cogl/cogl.h b/cogl/cogl.h new file mode 100644 index 0000000..84c3951 --- /dev/null +++ b/cogl/cogl.h @@ -0,0 +1,194 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_H__ +#define __COGL_H__ + +#ifdef COGL_COMPILATION +#error " shouldn't be included internally" +#endif + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#ifdef COGL_ENABLE_EXPERIMENTAL_2_0_API +#ifndef COGL_ENABLE_EXPERIMENTAL_API +#define COGL_ENABLE_EXPERIMENTAL_API +#endif +#endif + +/* We currently keep gtype integration delimited in case we eventually + * want to split it out into a separate utility library when Cogl + * becomes a standalone project. (like cairo-gobject.so) + */ +#define _COGL_SUPPORTS_GTYPE_INTEGRATION + +/* + * API common to the 1.x and 2.0 api... + */ + +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * 1.x only api... + */ +#ifndef COGL_ENABLE_EXPERIMENTAL_2_0_API +#include +#include +#include +#include +#include +#include +#include +#endif + +/* It would be good to move these casts up into 1.x only api if we can + * update Clutter, Mutter and GnomeShell to avoid redundant casts when + * they enable the experimental api... */ +#include + +#include +#include + +/* + * 2.0 api that's compatible with the 1.x api... + */ +#if defined (COGL_ENABLE_EXPERIMENTAL_API) +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#if defined (COGL_HAS_EGL_PLATFORM_KMS_SUPPORT) +#include +#include +#endif +#ifdef COGL_HAS_WIN32_SUPPORT +#include +#endif +#ifdef COGL_HAS_GLIB_SUPPORT +#include +#endif +/* XXX: This will definitly go away once all the Clutter winsys + * code has been migrated down into Cogl! */ +#include +#endif + +/* + * API deprecations + */ +#include + +/* + * Cogl Path api compatability + * + * The cogl_path_ api used to be part of the core Cogl api so for + * compatability we include cogl-path.h via cogl.h + * + * Note: we have to make sure not to include cogl-path.h while + * building core cogl or generating the Cogl .gir data because + * cogl-path now gets built after cogl and some cogl-path headers are + * only generated at build time... + */ +#if defined (COGL_HAS_COGL_PATH_SUPPORT) && \ + !defined (COGL_COMPILATION) && \ + !defined (COGL_GIR_SCANNING) +#include +#endif + +/** + * SECTION:cogl + * @short_description: General purpose API + * + * General utility functions for COGL. + */ + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_H__ */ diff --git a/cogl/cogl.rc b/cogl/cogl.rc new file mode 100644 index 0000000..87b218f --- /dev/null +++ b/cogl/cogl.rc @@ -0,0 +1,30 @@ +#include + +VS_VERSION_INFO VERSIONINFO + FILEVERSION 1,18,2,0 + PRODUCTVERSION 1,18,2,0 + FILEFLAGSMASK 0 + FILEFLAGS 0 + FILEOS VOS__WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE VFT2_UNKNOWN + BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904B0" + BEGIN + VALUE "CompanyName", "Intel Corporation" + VALUE "FileDescription", "cogl" + VALUE "FileVersion", "1.18.2.0" + VALUE "InternalName", "libcogl-1.0-2" + VALUE "LegalCopyright", "Copyright 1995-2011 © Intel Corporation" + VALUE "OriginalFilename", "libcogl-1.0-2.dll" + VALUE "ProductName", "cogl" + VALUE "ProductVersion", "1.18.2" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END + END diff --git a/cogl/cogl.rc.in b/cogl/cogl.rc.in new file mode 100644 index 0000000..0911559 --- /dev/null +++ b/cogl/cogl.rc.in @@ -0,0 +1,30 @@ +#include + +VS_VERSION_INFO VERSIONINFO + FILEVERSION 1,@COGL_1_MINOR_VERSION@,@COGL_1_MICRO_VERSION@,0 + PRODUCTVERSION 1,@COGL_1_MINOR_VERSION@,@COGL_1_MICRO_VERSION@,0 + FILEFLAGSMASK 0 + FILEFLAGS 0 + FILEOS VOS__WINDOWS32 + FILETYPE VFT_DLL + FILESUBTYPE VFT2_UNKNOWN + BEGIN + BLOCK "StringFileInfo" + BEGIN + BLOCK "040904B0" + BEGIN + VALUE "CompanyName", "Intel Corporation" + VALUE "FileDescription", "cogl" + VALUE "FileVersion", "@COGL_1_VERSION@.0" + VALUE "InternalName", "libcogl-1.0-@COGL_LT_AGE@" + VALUE "LegalCopyright", "Copyright 1995-2011 © Intel Corporation" + VALUE "OriginalFilename", "libcogl-1.0-@COGL_LT_AGE@.dll" + VALUE "ProductName", "cogl" + VALUE "ProductVersion", "@COGL_1_VERSION@" + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x409, 1200 + END + END diff --git a/cogl/cogl.symbols b/cogl/cogl.symbols new file mode 100644 index 0000000..c48314a --- /dev/null +++ b/cogl/cogl.symbols @@ -0,0 +1,1108 @@ + + +#ifdef COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT +cogl_android_set_native_window +#endif + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_atlas_texture_get_gtype +#endif +cogl_atlas_texture_new_with_size +cogl_atlas_texture_new_from_file +cogl_atlas_texture_new_from_data +cogl_atlas_texture_new_from_bitmap + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_attribute_buffer_get_gtype +#endif +cogl_attribute_buffer_new_with_size + +cogl_attribute_buffer_new +cogl_attribute_get_buffer +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_attribute_get_gtype +#endif +cogl_attribute_get_normalized +cogl_attribute_new +cogl_attribute_new_const_1f +cogl_attribute_new_const_2f +cogl_attribute_new_const_2fv +cogl_attribute_new_const_2x2fv +cogl_attribute_new_const_3f +cogl_attribute_new_const_3fv +cogl_attribute_new_const_3x3fv +cogl_attribute_new_const_4f +cogl_attribute_new_const_4fv +cogl_attribute_new_const_4x4fv +cogl_attribute_set_buffer +cogl_attribute_set_normalized +cogl_attribute_type_get_type + +cogl_begin_gl + +cogl_bitmap_error_get_type +cogl_bitmap_get_buffer +cogl_bitmap_get_format +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_bitmap_get_gtype +#endif +cogl_bitmap_get_height +cogl_bitmap_get_rowstride +cogl_bitmap_get_size_from_file +cogl_bitmap_get_width +cogl_bitmap_new_for_data +cogl_bitmap_new_from_file +cogl_bitmap_new_from_buffer +cogl_bitmap_new_with_size +cogl_blend_string_error_get_type + +cogl_buffer_bit_get_type +cogl_buffer_get_size +cogl_buffer_get_update_hint +#if 0 +/* not implemented! */ +cogl_buffer_get_usage_hint +#endif +cogl_buffer_map +cogl_buffer_map_range +cogl_buffer_set_data +cogl_buffer_set_update_hint +#if 0 +/* not implemented! */ +cogl_buffer_set_usage_hint +#endif +cogl_buffer_target_get_type +cogl_buffer_unmap + +#ifndef COGL_DISABLE_DEPRECATED +cogl_check_extension +#endif + +cogl_clear + +#ifndef COGL_DISABLE_DEPRECATED +cogl_clip_ensure +#endif + +cogl_clip_pop + +#ifndef COGL_DISABLE_DEPRECATED +cogl_clip_push +#endif + +cogl_clip_push_rectangle + +cogl_clip_push_window_rect + +cogl_clip_push_primitive + +#ifndef COGL_DISABLE_DEPRECATED +cogl_clip_push_window_rectangle +cogl_clip_stack_restore +cogl_clip_stack_save +#endif + +#ifndef COGL_WINSYS_INTEGRATED +cogl_clutter_check_extension_CLUTTER +cogl_clutter_winsys_has_feature_CLUTTER +#ifdef COGL_HAS_XLIB +cogl_clutter_winsys_xlib_get_visual_info_CLUTTER +#endif +#endif + +cogl_color_copy +cogl_color_equal +cogl_color_free +cogl_color_get_alpha +cogl_color_get_alpha_byte +cogl_color_get_alpha_float +cogl_color_get_blue +cogl_color_get_blue_byte +cogl_color_get_blue_float +cogl_color_get_green +cogl_color_get_green_byte +cogl_color_get_green_float +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_color_get_gtype +#endif +cogl_color_get_red +cogl_color_get_red_byte +cogl_color_get_red_float +cogl_color_init_from_hsl +cogl_color_init_from_4f +cogl_color_init_from_4fv +cogl_color_init_from_4ub +cogl_color_mask_get_type +cogl_color_new +cogl_color_premultiply +cogl_color_set_alpha +cogl_color_set_alpha_byte +cogl_color_set_alpha_float +cogl_color_set_blue +cogl_color_set_blue_byte +cogl_color_set_blue_float +cogl_color_set_from_4f +cogl_color_set_from_4ub +cogl_color_set_green +cogl_color_set_green_byte +cogl_color_set_green_float +cogl_color_set_red +cogl_color_set_red_byte +cogl_color_set_red_float +cogl_color_to_hsl +cogl_color_unpremultiply + + +#ifdef COGL_HAS_EGL_SUPPORT +cogl_egl_context_get_egl_display +cogl_egl_context_get_egl_context +#endif + +#ifdef COGL_HAS_GLX_SUPPORT +cogl_glx_context_get_glx_context +#endif + +cogl_context_get_display +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_context_get_gtype +#endif +cogl_context_get_renderer +cogl_context_new + +cogl_create_program +cogl_create_shader + +cogl_debug_matrix_entry_print +cogl_debug_matrix_print +cogl_debug_object_foreach_type +cogl_debug_object_print_instances +cogl_depth_state_get_range +cogl_depth_state_get_test_enabled +cogl_depth_state_get_test_function +cogl_depth_state_get_write_enabled +cogl_depth_state_init +cogl_depth_state_set_test_enabled +cogl_depth_state_set_test_function +cogl_depth_state_set_range +cogl_depth_state_set_write_enabled +cogl_depth_test_function_get_type + +cogl_disable_fog + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_display_get_gtype +#endif +cogl_display_get_renderer +cogl_display_new +cogl_display_setup +cogl_display_set_onscreen_template + +cogl_double_to_fixed + +cogl_end_gl + +cogl_error_copy +cogl_error_free +cogl_error_matches + +cogl_euler_copy +cogl_euler_equal +cogl_euler_free +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_euler_get_gtype +#endif +cogl_euler_init +cogl_euler_init_from_matrix +#if 0 +/* not yet implemented */ +cogl_euler_init_from_quaternion +#endif + +cogl_features_available +cogl_feature_flags_get_type +cogl_fence_closure_get_user_data +cogl_fixed_atan +cogl_fixed_atan2 +cogl_fixed_cos +cogl_fixed_get_type +cogl_fixed_log2 +cogl_fixed_pow +cogl_fixed_pow2 +cogl_fixed_sin +cogl_fixed_sqrt +cogl_fixed_tan + +cogl_fog_mode_get_type + +cogl_foreach_feature + +cogl_flush + +cogl_framebuffer_add_fence_callback +cogl_framebuffer_allocate +cogl_framebuffer_cancel_fence_callback +cogl_framebuffer_clear4f +cogl_framebuffer_clear +cogl_framebuffer_discard_buffers +cogl_framebuffer_draw_primitive +cogl_framebuffer_draw_rectangle +cogl_framebuffer_draw_rectangles +cogl_framebuffer_draw_textured_rectangle +cogl_framebuffer_draw_textured_rectangles +cogl_framebuffer_finish +cogl_framebuffer_frustum +cogl_framebuffer_get_alpha_bits +cogl_framebuffer_get_blue_bits +cogl_framebuffer_get_color_format +cogl_framebuffer_get_color_mask +cogl_framebuffer_get_context +cogl_framebuffer_get_depth_bits +cogl_framebuffer_get_depth_texture +cogl_framebuffer_get_depth_texture_enabled +cogl_framebuffer_get_depth_write_enabled +cogl_framebuffer_get_dither_enabled +cogl_framebuffer_get_green_bits +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_framebuffer_get_gtype +#endif +cogl_framebuffer_get_height +cogl_framebuffer_get_modelview_matrix +cogl_framebuffer_get_projection_matrix +cogl_framebuffer_get_red_bits +cogl_framebuffer_get_samples_per_pixel +cogl_framebuffer_get_viewport4fv +cogl_framebuffer_get_viewport_height +cogl_framebuffer_get_viewport_width +cogl_framebuffer_get_viewport_x +cogl_framebuffer_get_viewport_y +cogl_framebuffer_get_width +cogl_framebuffer_identity_matrix +cogl_framebuffer_orthographic +cogl_framebuffer_perspective +cogl_framebuffer_pop_clip +cogl_framebuffer_pop_matrix +cogl_framebuffer_push_matrix +cogl_framebuffer_push_primitive_clip +cogl_framebuffer_push_rectangle_clip +cogl_framebuffer_push_scissor_clip +cogl_framebuffer_read_pixels +cogl_framebuffer_read_pixels_into_bitmap +cogl_framebuffer_resolve_samples +cogl_framebuffer_resolve_samples_region +cogl_framebuffer_rotate + +#ifdef COGL_ENABLE_EXPERIMENTAL_API +cogl_framebuffer_rotate_euler +cogl_framebuffer_rotate_quaternion +#endif + +cogl_framebuffer_scale +cogl_framebuffer_set_color_mask +cogl_framebuffer_set_depth_texture_enabled +cogl_framebuffer_set_depth_write_enabled +cogl_framebuffer_set_dither_enabled +cogl_framebuffer_set_modelview_matrix +cogl_framebuffer_set_projection_matrix +cogl_framebuffer_set_samples_per_pixel +cogl_framebuffer_set_viewport +cogl_framebuffer_transform +cogl_framebuffer_translate +cogl_framebuffer_vdraw_attributes +/* cogl_framebuffer_vdraw_indexed_attributes */ /* Not Implemented! */ + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_frame_closure_get_gtype +#endif +cogl_frame_info_get_frame_counter + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_frame_info_get_gtype +#endif +cogl_frame_info_get_output +cogl_frame_info_get_presentation_time +cogl_frame_info_get_refresh_rate + +#ifdef COGL_HAS_EGL_PLATFORM_GDL_SUPPORT +cogl_gdl_display_set_plane +#endif + +cogl_frustum + +cogl_get_backface_culling_enabled +cogl_get_bitmasks +cogl_get_clock_time +cogl_get_depth_test_enabled +cogl_get_draw_framebuffer +cogl_get_features +cogl_get_modelview_matrix +cogl_get_option_group +cogl_get_proc_address +cogl_get_projection_matrix +cogl_get_rectangle_indices +cogl_get_source +cogl_get_static_identity_quaternion +cogl_get_static_zero_quaternion +cogl_get_viewport + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_gles2_context_get_gtype +#endif +cogl_gles2_context_get_vtable +cogl_gles2_context_new +cogl_gles2_get_current_vtable +cogl_gles2_texture_get_handle +cogl_gles2_texture_2d_new_from_handle + +#ifdef COGL_HAS_GLIB_SUPPORT +cogl_glib_renderer_source_new +cogl_glib_source_new +#endif + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_gtype_matrix_get_type +#endif + +cogl_handle_get_type +cogl_handle_ref +cogl_handle_unref + +cogl_has_feature +cogl_has_features + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_index_buffer_get_gtype +#endif +cogl_index_buffer_new +cogl_indices_get_buffer +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_indices_get_gtype +#endif +cogl_indices_get_offset +cogl_indices_get_type +cogl_indices_new +cogl_indices_new_for_buffer +cogl_indices_set_offset +cogl_indices_type_get_type + +cogl_is_atlas_texture +cogl_is_attribute +cogl_is_attribute_buffer +cogl_is_bitmap +cogl_is_buffer +cogl_is_context +cogl_is_frame_info +cogl_is_gles2_context +cogl_is_index_buffer +#if 0 +/* not implemented! */ +cogl_is_indices_array +#endif +cogl_is_material +cogl_is_matrix_stack +cogl_is_offscreen +cogl_is_output +cogl_is_pipeline +cogl_is_pixel_buffer +cogl_is_primitive +cogl_is_primitive_texture +cogl_is_program +cogl_is_renderer +cogl_is_shader +cogl_is_snippet +cogl_is_sub_texture +cogl_is_texture +#ifdef COGL_HAS_X11 +cogl_is_texture_pixmap_x11 +#endif +cogl_is_texture_rectangle +cogl_is_texture_2d +cogl_is_texture_3d + +#ifdef COGL_HAS_EGL_PLATFORM_KMS_SUPPORT +cogl_kms_display_queue_modes_reset +cogl_kms_display_set_layout +cogl_kms_renderer_get_kms_fd +#endif + +cogl_material_alpha_func_get_type +cogl_material_copy +cogl_material_filter_get_type +cogl_material_foreach_layer +cogl_material_get_ambient +cogl_material_get_color +cogl_material_get_depth_state +cogl_material_get_diffuse +cogl_material_get_emission +cogl_material_get_layers +cogl_material_get_layer_point_sprite_coords_enabled +cogl_material_get_layer_wrap_mode_p +cogl_material_get_layer_wrap_mode_s +cogl_material_get_layer_wrap_mode_t +cogl_material_get_n_layers +cogl_material_get_point_size +cogl_material_get_shininess +cogl_material_get_specular +cogl_material_get_user_program +cogl_material_layer_get_mag_filter +cogl_material_layer_get_min_filter +cogl_material_layer_get_texture +cogl_material_layer_get_type +cogl_material_layer_get_wrap_mode_p +cogl_material_layer_get_wrap_mode_s +cogl_material_layer_get_wrap_mode_t +cogl_material_layer_type_get_type +cogl_material_new +cogl_material_remove_layer +#ifndef COGL_DISABLE_DEPRECATED +cogl_material_ref +#endif +cogl_material_set_alpha_test_function +cogl_material_set_ambient +cogl_material_set_ambient_and_diffuse +cogl_material_set_blend +cogl_material_set_blend_constant +cogl_material_set_color +cogl_material_set_color4f +cogl_material_set_color4ub +cogl_material_set_depth_state +cogl_material_set_diffuse +cogl_material_set_emission +cogl_material_set_layer +cogl_material_set_layer_combine +cogl_material_set_layer_combine_constant +cogl_material_set_layer_filters +cogl_material_set_layer_matrix +cogl_material_set_layer_point_sprite_coords_enabled +cogl_material_set_layer_wrap_mode +cogl_material_set_layer_wrap_mode_p +cogl_material_set_layer_wrap_mode_s +cogl_material_set_layer_wrap_mode_t +cogl_material_set_point_size +cogl_material_set_shininess +cogl_material_set_specular +cogl_material_set_user_program +#ifndef COGL_DISABLE_DEPRECATED +cogl_material_unref +#endif +cogl_material_wrap_mode_get_type + +cogl_matrix_copy +cogl_matrix_entry_calculate_translation +cogl_matrix_entry_equal +cogl_matrix_entry_get +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_matrix_entry_get_gtype +#endif +cogl_matrix_entry_is_identity +cogl_matrix_entry_ref +cogl_matrix_entry_unref +cogl_matrix_equal +cogl_matrix_free +cogl_matrix_frustum +cogl_matrix_get_array +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_matrix_get_gtype +#endif +cogl_matrix_get_inverse +cogl_matrix_init_from_array +cogl_matrix_init_translation +cogl_matrix_is_identity +cogl_matrix_init_from_euler +cogl_matrix_init_from_quaternion +cogl_matrix_init_identity +cogl_matrix_look_at +cogl_matrix_multiply +#ifndef COGL_DISABLE_DEPRECATED +cogl_matrix_ortho +#endif +cogl_matrix_orthographic +cogl_matrix_perspective +cogl_matrix_project_points +cogl_matrix_rotate + +#ifdef COGL_ENABLE_EXPERIMENTAL_API +cogl_matrix_rotate_euler +cogl_matrix_rotate_quaternion +#endif + +cogl_matrix_scale +cogl_matrix_stack_frustum +cogl_matrix_stack_get +cogl_matrix_stack_get_entry +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_matrix_stack_get_gtype +#endif +cogl_matrix_stack_get_inverse +cogl_matrix_stack_load_identity +cogl_matrix_stack_multiply +cogl_matrix_stack_new +cogl_matrix_stack_orthographic +cogl_matrix_stack_perspective +cogl_matrix_stack_pop +cogl_matrix_stack_push +cogl_matrix_stack_rotate +cogl_matrix_stack_rotate_euler +cogl_matrix_stack_rotate_quaternion +cogl_matrix_stack_scale +cogl_matrix_stack_set +cogl_matrix_stack_translate +cogl_matrix_transform_point +cogl_matrix_transform_points +cogl_matrix_translate +cogl_matrix_transpose +cogl_matrix_view_2d_in_frustum +cogl_matrix_view_2d_in_perspective + +cogl_meta_texture_foreach_in_region + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_object_get_gtype +#endif +cogl_object_get_user_data +cogl_object_ref +cogl_object_set_user_data +cogl_object_unref + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_offscreen_get_gtype +#endif +cogl_offscreen_new_to_texture +cogl_offscreen_new_with_texture + +cogl_onscreen_add_dirty_callback +cogl_onscreen_add_frame_callback +cogl_onscreen_add_resize_callback +cogl_onscreen_add_swap_buffers_callback +#ifndef COGL_WINSYS_INTEGRATED +cogl_onscreen_clutter_backend_set_size_CLUTTER +#endif +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_onscreen_dirty_closure_get_gtype +#endif +cogl_onscreen_get_buffer_age +cogl_onscreen_get_frame_counter +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_onscreen_get_gtype +#endif +cogl_onscreen_get_resizable +cogl_onscreen_hide +cogl_onscreen_new +cogl_onscreen_set_swap_throttled +cogl_onscreen_remove_dirty_callback +cogl_onscreen_remove_frame_callback +cogl_onscreen_remove_resize_callback +cogl_onscreen_remove_swap_buffers_callback +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_onscreen_resize_closure_get_gtype +#endif +cogl_onscreen_set_resizable +cogl_onscreen_set_swap_throttled +cogl_onscreen_show +cogl_onscreen_swap_buffers +cogl_onscreen_swap_buffers_with_damage +cogl_onscreen_swap_region +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_onscreen_template_get_gtype +#endif +cogl_onscreen_template_new +cogl_onscreen_template_set_samples_per_pixel +cogl_onscreen_template_set_swap_throttled + +cogl_ortho + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_output_get_gtype +#endif +cogl_output_get_height +cogl_output_get_mm_height +cogl_output_get_mm_width +cogl_output_get_refresh_rate +cogl_output_get_subpixel_order +cogl_output_get_width +cogl_output_get_x +cogl_output_get_y + +cogl_perspective + +cogl_pipeline_add_layer_snippet +cogl_pipeline_add_snippet +cogl_pipeline_copy +cogl_pipeline_foreach_layer +cogl_pipeline_get_alpha_test_function +cogl_pipeline_get_alpha_test_reference +cogl_pipeline_get_ambient +cogl_pipeline_get_color +cogl_pipeline_get_color_mask +cogl_pipeline_get_cull_face_mode +cogl_pipeline_get_depth_state +cogl_pipeline_get_diffuse +cogl_pipeline_get_emission +cogl_pipeline_get_front_face_winding +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_pipeline_get_gtype +#endif +cogl_pipeline_get_layer_mag_filter +cogl_pipeline_get_layer_min_filter +cogl_pipeline_get_layer_point_sprite_coords_enabled +cogl_pipeline_get_layer_texture +cogl_pipeline_get_layer_wrap_mode_p +cogl_pipeline_get_layer_wrap_mode_s +cogl_pipeline_get_layer_wrap_mode_t +cogl_pipeline_get_n_layers +cogl_pipeline_get_per_vertex_point_size +cogl_pipeline_get_point_size +cogl_pipeline_get_shininess +cogl_pipeline_get_specular +cogl_pipeline_get_uniform_location +cogl_pipeline_get_user_program +cogl_pipeline_new +cogl_pipeline_set_alpha_test_function +cogl_pipeline_set_ambient +cogl_pipeline_set_ambient_and_diffuse +cogl_pipeline_set_blend +cogl_pipeline_set_blend_constant +cogl_pipeline_set_color +cogl_pipeline_set_color_mask +cogl_pipeline_set_color4f +cogl_pipeline_set_color4ub +cogl_pipeline_set_cull_face_mode +cogl_pipeline_set_depth_state +cogl_pipeline_set_diffuse +cogl_pipeline_set_emission +cogl_pipeline_set_front_face_winding +cogl_pipeline_set_layer_combine +cogl_pipeline_set_layer_combine_constant +cogl_pipeline_set_layer_filters +cogl_pipeline_set_layer_matrix +cogl_pipeline_set_layer_null_texture +cogl_pipeline_set_layer_point_sprite_coords_enabled +cogl_pipeline_set_layer_texture +cogl_pipeline_set_layer_wrap_mode +cogl_pipeline_set_layer_wrap_mode_p +cogl_pipeline_set_layer_wrap_mode_s +cogl_pipeline_set_layer_wrap_mode_t +cogl_pipeline_set_per_vertex_point_size +cogl_pipeline_set_point_size +cogl_pipeline_remove_layer +cogl_pipeline_set_shininess +cogl_pipeline_set_specular +cogl_pipeline_set_uniform_float +cogl_pipeline_set_uniform_int +cogl_pipeline_set_uniform_matrix +cogl_pipeline_set_uniform_1f +cogl_pipeline_set_uniform_1i +cogl_pipeline_set_user_program + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_pixel_buffer_get_gtype +#endif +cogl_pixel_buffer_new +#if 0 +/* not exported in the main APIs for now */ +cogl_pixel_buffer_set_region +#endif +cogl_pixel_format_get_type + +cogl_poll_renderer_dispatch +cogl_poll_renderer_get_info + +cogl_polygon + +#ifndef COGL_DISABLE_DEPRECATED +cogl_pop_draw_buffer +#endif +cogl_pop_framebuffer +cogl_pop_gles2_context +cogl_pop_matrix +cogl_pop_source + +cogl_primitive_copy +cogl_primitive_foreach_attribute +cogl_primitive_get_first_vertex +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_primitive_get_gtype +#endif +cogl_primitive_get_indices +cogl_primitive_get_mode +cogl_primitive_get_n_vertices +cogl_primitive_new +cogl_primitive_new_p2 +cogl_primitive_new_p2c4 +cogl_primitive_new_p2t2 +cogl_primitive_new_p2t2c4 +cogl_primitive_new_p3 +cogl_primitive_new_p3c4 +cogl_primitive_new_p3t2 +cogl_primitive_new_p3t2c4 +cogl_primitive_new_with_attributes +cogl_primitive_set_attributes +cogl_primitive_set_first_vertex +cogl_primitive_set_indices +cogl_primitive_set_mode +cogl_primitive_set_n_vertices +cogl_primitive_draw + +cogl_primitive_texture_set_auto_mipmap + +cogl_program_attach_shader +cogl_program_get_uniform_location +cogl_program_link + +#ifndef COGL_DISABLE_DEPRECATED +cogl_program_ref +#endif + +cogl_program_set_uniform_float +cogl_program_set_uniform_int +cogl_program_set_uniform_matrix +cogl_program_set_uniform_1f +cogl_program_set_uniform_1i + +#ifndef COGL_DISABLE_DEPRECATED +cogl_program_uniform_float +cogl_program_uniform_int +cogl_program_uniform_matrix +cogl_program_uniform_1f +cogl_program_uniform_1i +cogl_program_unref +#endif + +cogl_program_use + +#ifndef COGL_DISABLE_DEPRECATED +cogl_push_draw_buffer +#endif + +cogl_push_framebuffer +cogl_push_gles2_context +cogl_push_matrix +cogl_push_source + +cogl_quaternion_copy +cogl_quaternion_dot_product +cogl_quaternion_equal +cogl_quaternion_free +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_quaternion_get_gtype +#endif +cogl_quaternion_get_rotation_angle +cogl_quaternion_get_rotation_axis +cogl_quaternion_init +cogl_quaternion_init_from_angle_vector +cogl_quaternion_init_from_array +cogl_quaternion_init_from_euler +cogl_quaternion_init_from_x_rotation +cogl_quaternion_init_from_y_rotation +cogl_quaternion_init_from_z_rotation +cogl_quaternion_init_identity +cogl_quaternion_invert +cogl_quaternion_multiply +cogl_quaternion_nlerp +cogl_quaternion_normalize +cogl_quaternion_pow +cogl_quaternion_slerp +cogl_quaternion_squad + +cogl_read_pixels +cogl_read_pixels_flags_get_type + +cogl_rectangle +cogl_rectangles +cogl_rectangles_with_texture_coords +cogl_rectangle_with_multitexture_coords +cogl_rectangle_with_texture_coords + +cogl_renderer_add_constraint +cogl_renderer_check_onscreen_template +cogl_renderer_connect +cogl_renderer_foreach_output +cogl_renderer_get_driver +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_renderer_get_gtype +#endif +cogl_renderer_get_n_fragment_texture_units +cogl_renderer_error_get_type +cogl_renderer_get_winsys_id +cogl_renderer_new +cogl_renderer_remove_constraint +cogl_renderer_set_driver +cogl_renderer_set_winsys_id + +cogl_rotate + +cogl_scale + +cogl_set_backface_culling_enabled +cogl_set_depth_test_enabled +#ifndef COGL_DISABLE_DEPRECATED +cogl_set_draw_buffer +#endif +cogl_set_fog +#ifdef COGL_HAS_SDL_SUPPORT +cogl_sdl_context_new +cogl_sdl_handle_event +cogl_sdl_idle +#if SDL_MAJOR_VERSION >= 2 +cogl_sdl_onscreen_get_window +#endif +cogl_sdl_renderer_get_event_type +cogl_sdl_renderer_set_event_type +#endif + +cogl_set_framebuffer +cogl_set_modelview_matrix +cogl_set_projection_matrix +cogl_set_source +cogl_set_source_color +cogl_set_source_color4f +cogl_set_source_color4ub +cogl_set_source_texture +cogl_set_viewport + +cogl_shader_compile +cogl_shader_get_info_log +cogl_shader_get_type +cogl_shader_is_compiled + +#ifndef COGL_DISABLE_DEPRECATED +cogl_shader_ref +#endif + +cogl_shader_source +cogl_shader_type_get_type + +#ifndef COGL_DISABLE_DEPRECATED +cogl_shader_unref +#endif + +cogl_snippet_get_declarations +cogl_snippet_get_hook +cogl_snippet_get_post +cogl_snippet_get_pre +cogl_snippet_get_replace +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_snippet_get_gtype +#endif +cogl_snippet_new +cogl_snippet_set_declarations +cogl_snippet_set_post +cogl_snippet_set_pre +cogl_snippet_set_replace + +cogl_sqrti + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_sub_texture_get_gtype +#endif +cogl_sub_texture_get_parent +cogl_sub_texture_new + +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_swap_chain_get_gtype +#endif +cogl_swap_chain_new +cogl_swap_chain_set_has_alpha +cogl_swap_chain_set_length + +cogl_system_error_get_type + +cogl_texture_allocate +cogl_texture_components_get_type +cogl_texture_error_get_type +cogl_texture_flags_get_type +cogl_texture_get_components +cogl_texture_get_data +cogl_texture_get_format +cogl_texture_get_gl_texture +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_texture_get_gtype +#endif +cogl_texture_get_height +cogl_texture_get_max_waste +cogl_texture_get_premultiplied +cogl_texture_get_rowstride +cogl_texture_get_width +cogl_texture_is_sliced +cogl_texture_new_from_bitmap +cogl_texture_new_from_data +cogl_texture_new_from_file +cogl_texture_new_from_foreign +cogl_texture_new_from_sub_texture +cogl_texture_new_with_size +#ifdef COGL_HAS_X11 +cogl_texture_pixmap_x11_error_domain +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_texture_pixmap_x11_get_gtype +#endif +cogl_texture_pixmap_x11_is_using_tfp_extension +cogl_texture_pixmap_x11_new +cogl_texture_pixmap_x11_set_damage_object +cogl_texture_pixmap_x11_update_area +#endif +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_texture_rectangle_get_gtype +#endif +cogl_texture_rectangle_new_from_bitmap +cogl_texture_rectangle_new_from_foreign +cogl_texture_rectangle_new_with_size +#ifndef COGL_DISABLE_DEPRECATED +cogl_texture_ref +#endif +cogl_texture_set_components +cogl_texture_set_data +cogl_texture_set_premultiplied +cogl_texture_set_region +cogl_texture_set_region_from_bitmap +cogl_texture_type_get_type +#ifndef COGL_DISABLE_DEPRECATED +cogl_texture_unref +#endif +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_texture_2d_get_gtype +#endif +cogl_texture_2d_new_from_bitmap +cogl_texture_2d_new_from_data +cogl_texture_2d_new_from_file +cogl_texture_2d_new_with_size +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_texture_2d_sliced_get_gtype +#endif +cogl_texture_2d_sliced_new_from_bitmap +cogl_texture_2d_sliced_new_from_data +cogl_texture_2d_sliced_new_from_file +cogl_texture_2d_sliced_new_with_size +#ifdef COGL_HAS_GTYPE_SUPPORT +cogl_texture_3d_get_gtype +#endif +cogl_texture_3d_new_from_bitmap +cogl_texture_3d_new_from_data +cogl_texture_3d_new_with_size + +cogl_transform +cogl_translate + +cogl_vector3_add +cogl_vector3_copy +cogl_vector3_cross_product +cogl_vector3_distance +cogl_vector3_divide_scalar +cogl_vector3_dot_product +cogl_vector3_equal +cogl_vector3_equal_with_epsilon +cogl_vector3_free +cogl_vector3_init +cogl_vector3_init_zero +cogl_vector3_invert +cogl_vector3_magnitude +cogl_vector3_multiply_scalar +cogl_vector3_normalize +cogl_vector3_subtract + +cogl_vertex_buffer_add +cogl_vertex_buffer_delete +cogl_vertex_buffer_disable +cogl_vertex_buffer_draw +cogl_vertex_buffer_draw_elements +cogl_vertex_buffer_enable +cogl_vertex_buffer_get_n_vertices +cogl_vertex_buffer_indices_get_for_quads +cogl_vertex_buffer_indices_get_type +cogl_vertex_buffer_indices_new +cogl_vertex_buffer_new +#ifndef COGL_DISABLE_DEPRECATED +cogl_vertex_buffer_ref +#endif +cogl_vertex_buffer_submit +#ifndef COGL_DISABLE_DEPRECATED +cogl_vertex_buffer_unref +#endif + +cogl_vertices_mode_get_type + +#ifdef COGL_DISABLE_DEPRECATED +cogl_viewport +#endif + +cogl_winsys_feature_get_type + +#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT +cogl_wayland_display_set_compositor_display +#endif +#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT +cogl_wayland_onscreen_get_shell_surface +cogl_wayland_onscreen_get_surface +#endif +#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT +cogl_wayland_onscreen_resize +#endif +#ifdef COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT +cogl_wayland_onscreen_set_foreign_surface +#endif +#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT +cogl_wayland_renderer_get_display +cogl_wayland_renderer_set_event_dispatch_enabled +cogl_wayland_renderer_set_foreign_display +cogl_wayland_texture_set_region_from_shm_buffer +cogl_wayland_texture_2d_new_from_buffer +#endif + +cogl_winding_get_type + +#ifdef COGL_HAS_WIN32_SUPPORT +cogl_win32_onscreen_get_window +cogl_win32_onscreen_set_foreign_window +cogl_win32_renderer_add_filter +cogl_win32_renderer_handle_event +cogl_win32_renderer_remove_filter +cogl_win32_renderer_set_event_retrieval_enabled +#endif + +#ifdef COGL_HAS_XLIB +cogl_xlib_get_display +cogl_xlib_handle_event +cogl_xlib_renderer_add_filter +cogl_xlib_renderer_get_display +cogl_xlib_renderer_get_foreign_display +cogl_xlib_renderer_handle_event +cogl_xlib_renderer_remove_filter +cogl_xlib_renderer_set_event_retrieval_enabled +cogl_xlib_renderer_set_foreign_display +cogl_xlib_set_display +#endif + +#ifdef COGL_HAS_X11 +cogl_x11_onscreen_get_visual_xid +cogl_x11_onscreen_set_foreign_window_xid +#endif + +#ifndef COGL_NO_EXPORT_UNDERSCORE +/* probably these should not be exported at all, but anyways, for now... */ +/* eventually, this section should disappear (or cogl, cogl-pango, clutter et al */ +/* will link without the following) */ +_cogl_atlas_add_reorganize_callback +_cogl_atlas_new +_cogl_atlas_reserve_space +_cogl_atlas_texture_add_reorganize_callback +_cogl_atlas_texture_remove_reorganize_callback +_cogl_buffer_map_for_fill_or_fallback +_cogl_buffer_unmap_for_fill_or_fallback +_cogl_clip_stack_push_rectangle +_cogl_clip_stack_push_primitive +_cogl_context_get_default +_cogl_debug_instances +_cogl_framebuffer_get_modelview_stack +_cogl_framebuffer_get_projection_stack +_cogl_framebuffer_get_stencil_bits +_cogl_object_default_unref +_cogl_pipeline_foreach_layer_internal +_cogl_pipeline_layer_get_texture +_cogl_pipeline_prune_to_n_layers +_cogl_primitive_draw +_cogl_system_error_quark +_cogl_texture_can_hardware_repeat +_cogl_texture_get_format +#endif + +cogl_fence_closure_get_user_data +cogl_framebuffer_add_fence_callback +cogl_framebuffer_cancel_fence_callback diff --git a/cogl/cogl1-context.h b/cogl/cogl1-context.h new file mode 100644 index 0000000..92ac7d0 --- /dev/null +++ b/cogl/cogl1-context.h @@ -0,0 +1,862 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_1_CONTEXT_H__ +#define __COGL_1_CONTEXT_H__ + +#include +#include +#include +#include + +COGL_BEGIN_DECLS + +/** + * cogl_get_option_group: + * + * Retrieves the #GOptionGroup used by Cogl to parse the command + * line options. Clutter uses this to handle the Cogl command line + * options during its initialization process. + * + * Return value: a #GOptionGroup + * + * Since: 1.0 + * Deprecated: 1.16: Not replaced + */ +COGL_DEPRECATED_IN_1_16 +GOptionGroup * +cogl_get_option_group (void); + +/* Misc */ +/** + * cogl_get_features: + * + * Returns all of the features supported by COGL. + * + * Return value: A logical OR of all the supported COGL features. + * + * Since: 0.8 + * Deprecated: 1.10: Use cogl_foreach_feature() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_foreach_feature) +CoglFeatureFlags +cogl_get_features (void); + +/** + * cogl_features_available: + * @features: A bitmask of features to check for + * + * Checks whether the given COGL features are available. Multiple + * features can be checked for by or-ing them together with the '|' + * operator. %TRUE is only returned if all of the requested features + * are available. + * + * Return value: %TRUE if the features are available, %FALSE otherwise. + * Deprecated: 1.10: Use cogl_has_feature() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_has_feature) +CoglBool +cogl_features_available (CoglFeatureFlags features); + +/** + * cogl_get_proc_address: + * @name: the name of the function. + * + * Gets a pointer to a given GL or GL ES extension function. This acts + * as a wrapper around glXGetProcAddress() or whatever is the + * appropriate function for the current backend. + * + * This function should not be used to query core opengl API + * symbols since eglGetProcAddress for example doesn't allow this and + * and may return a junk pointer if you do. + * + * Return value: a pointer to the requested function or %NULL if the + * function is not available. + */ +CoglFuncPtr +cogl_get_proc_address (const char *name); + +/** + * cogl_check_extension: + * @name: extension to check for + * @ext: list of extensions + * + * Check whether @name occurs in list of extensions in @ext. + * + * Return value: %TRUE if the extension occurs in the list, %FALSE otherwise. + * + * Deprecated: 1.2: OpenGL is an implementation detail for Cogl and so it's + * not appropriate to expose OpenGL extensions through the Cogl API. This + * function can be replaced by the following equivalent code: + * |[ + * CoglBool retval = (strstr (ext, name) != NULL) ? TRUE : FALSE; + * ]| + */ +COGL_DEPRECATED +CoglBool +cogl_check_extension (const char *name, + const char *ext); + +/** + * cogl_get_bitmasks: + * @red: (out): Return location for the number of red bits or %NULL + * @green: (out): Return location for the number of green bits or %NULL + * @blue: (out): Return location for the number of blue bits or %NULL + * @alpha: (out): Return location for the number of alpha bits or %NULL + * + * Gets the number of bitplanes used for each of the color components + * in the color buffer. Pass %NULL for any of the arguments if the + * value is not required. + * + * Deprecated: 1.8: Use cogl_framebuffer_get_red/green/blue/alpha_bits() + * instead + */ +COGL_DEPRECATED_IN_1_8_FOR (cogl_framebuffer_get_red_OR_green_OR_blue_OR_alpha_bits) +void +cogl_get_bitmasks (int *red, + int *green, + int *blue, + int *alpha); + +/** + * cogl_perspective: + * @fovy: Vertical field of view angle in degrees. + * @aspect: The (width over height) aspect ratio for display + * @z_near: The distance to the near clipping plane (Must be positive) + * @z_far: The distance to the far clipping plane (Must be positive) + * + * Replaces the current projection matrix with a perspective matrix + * based on the provided values. + * + * You should be careful not to have to great a @z_far / @z_near + * ratio since that will reduce the effectiveness of depth testing + * since there wont be enough precision to identify the depth of + * objects near to each other. + * + * Deprecated: 1.10: Use cogl_framebuffer_perspective() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_perspective) +void +cogl_perspective (float fovy, + float aspect, + float z_near, + float z_far); + +/** + * cogl_frustum: + * @left: X position of the left clipping plane where it + * intersects the near clipping plane + * @right: X position of the right clipping plane where it + * intersects the near clipping plane + * @bottom: Y position of the bottom clipping plane where it + * intersects the near clipping plane + * @top: Y position of the top clipping plane where it intersects + * the near clipping plane + * @z_near: The distance to the near clipping plane (Must be positive) + * @z_far: The distance to the far clipping plane (Must be positive) + * + * Replaces the current projection matrix with a perspective matrix + * for a given viewing frustum defined by 4 side clip planes that + * all cross through the origin and 2 near and far clip planes. + * + * Since: 0.8.2 + * Deprecated: 1.10: Use cogl_framebuffer_frustum() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_frustum) +void +cogl_frustum (float left, + float right, + float bottom, + float top, + float z_near, + float z_far); + +/** + * cogl_ortho: + * @left: The coordinate for the left clipping plane + * @right: The coordinate for the right clipping plane + * @bottom: The coordinate for the bottom clipping plane + * @top: The coordinate for the top clipping plane + * @near: The distance to the near clipping + * plane (negative if the plane is behind the viewer) + * @far: The distance for the far clipping + * plane (negative if the plane is behind the viewer) + * + * Replaces the current projection matrix with an orthographic projection + * matrix. See to see how the matrix is + * calculated. + * + *
+ * + * + *
+ * + * This function copies the arguments from OpenGL's glOrtho() even + * though they are unnecessarily confusing due to the z near and z far + * arguments actually being a "distance" from the origin, where + * negative values are behind the viewer, instead of coordinates for + * the z clipping planes which would have been consistent with the + * left, right bottom and top arguments. + * + * Since: 1.0 + * Deprecated: 1.10: Use cogl_framebuffer_orthographic() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_orthographic) +void +cogl_ortho (float left, + float right, + float bottom, + float top, + float near, + float far); + +/** + * cogl_viewport: + * @width: Width of the viewport + * @height: Height of the viewport + * + * Replace the current viewport with the given values. + * + * Since: 0.8.2 + * Deprecated: 1.8: Use cogl_framebuffer_set_viewport instead + */ +COGL_DEPRECATED_IN_1_8_FOR (cogl_framebuffer_set_viewport) +void +cogl_viewport (unsigned int width, + unsigned int height); + +/** + * cogl_set_viewport: + * @x: X offset of the viewport + * @y: Y offset of the viewport + * @width: Width of the viewport + * @height: Height of the viewport + * + * Replaces the current viewport with the given values. + * + * Since: 1.2 + * Deprecated: 1.8: Use cogl_framebuffer_set_viewport() instead + */ +COGL_DEPRECATED_IN_1_8_FOR (cogl_framebuffer_set_viewport) +void +cogl_set_viewport (int x, + int y, + int width, + int height); + +/** + * cogl_push_matrix: + * + * Stores the current model-view matrix on the matrix stack. The matrix + * can later be restored with cogl_pop_matrix(). + * + * Deprecated: 1.10: Use cogl_framebuffer_push_matrix() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_push_matrix) +void +cogl_push_matrix (void); + +/** + * cogl_pop_matrix: + * + * Restores the current model-view matrix from the matrix stack. + * + * Deprecated: 1.10: Use cogl_framebuffer_pop_matrix() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_push_matrix) +void +cogl_pop_matrix (void); + +/** + * cogl_scale: + * @x: Amount to scale along the x-axis + * @y: Amount to scale along the y-axis + * @z: Amount to scale along the z-axis + * + * Multiplies the current model-view matrix by one that scales the x, + * y and z axes by the given values. + * + * Deprecated: 1.10: Use cogl_framebuffer_pop_matrix() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_scale) +void +cogl_scale (float x, + float y, + float z); + +/** + * cogl_translate: + * @x: Distance to translate along the x-axis + * @y: Distance to translate along the y-axis + * @z: Distance to translate along the z-axis + * + * Multiplies the current model-view matrix by one that translates the + * model along all three axes according to the given values. + * + * Deprecated: 1.10: Use cogl_framebuffer_translate() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_translate) +void +cogl_translate (float x, + float y, + float z); + +/** + * cogl_rotate: + * @angle: Angle in degrees to rotate. + * @x: X-component of vertex to rotate around. + * @y: Y-component of vertex to rotate around. + * @z: Z-component of vertex to rotate around. + * + * Multiplies the current model-view matrix by one that rotates the + * model around the vertex specified by @x, @y and @z. The rotation + * follows the right-hand thumb rule so for example rotating by 10 + * degrees about the vertex (0, 0, 1) causes a small counter-clockwise + * rotation. + * + * Deprecated: 1.10: Use cogl_framebuffer_rotate() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_rotate) +void +cogl_rotate (float angle, + float x, + float y, + float z); + +/** + * cogl_transform: + * @matrix: the matrix to multiply with the current model-view + * + * Multiplies the current model-view matrix by the given matrix. + * + * Since: 1.4 + * Deprecated: 1.10: Use cogl_framebuffer_transform() instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_transform) +void +cogl_transform (const CoglMatrix *matrix); + +/** + * cogl_get_modelview_matrix: + * @matrix: (out): return location for the model-view matrix + * + * Stores the current model-view matrix in @matrix. + * + * Deprecated: 1.10: Use cogl_framebuffer_get_modelview_matrix() + * instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_get_modelview_matrix) +void +cogl_get_modelview_matrix (CoglMatrix *matrix); + +/** + * cogl_set_modelview_matrix: + * @matrix: the new model-view matrix + * + * Loads @matrix as the new model-view matrix. + * + * Deprecated: 1.10: Use cogl_framebuffer_set_modelview_matrix() + * instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_set_modelview_matrix) +void +cogl_set_modelview_matrix (CoglMatrix *matrix); + +/** + * cogl_get_projection_matrix: + * @matrix: (out): return location for the projection matrix + * + * Stores the current projection matrix in @matrix. + * + * Deprecated: 1.10: Use cogl_framebuffer_get_projection_matrix() + * instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_get_projection_matrix) +void +cogl_get_projection_matrix (CoglMatrix *matrix); + +/** + * cogl_set_projection_matrix: + * @matrix: the new projection matrix + * + * Loads matrix as the new projection matrix. + * + * Deprecated: 1.10: Use cogl_framebuffer_set_projection_matrix() + * instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_set_projection_matrix) +void +cogl_set_projection_matrix (CoglMatrix *matrix); + +/** + * cogl_get_viewport: + * @v: (out) (array fixed-size=4): pointer to a 4 element array + * of #floats to receive the viewport dimensions. + * + * Stores the current viewport in @v. @v[0] and @v[1] get the x and y + * position of the viewport and @v[2] and @v[3] get the width and + * height. + * + * Deprecated: 1.10: Use cogl_framebuffer_get_viewport4fv() + * instead + */ +COGL_DEPRECATED_IN_1_10_FOR (cogl_framebuffer_get_viewport4fv) +void +cogl_get_viewport (float v[4]); + +/** + * cogl_set_depth_test_enabled: + * @setting: %TRUE to enable depth testing or %FALSE to disable. + * + * Sets whether depth testing is enabled. If it is disabled then the + * order that actors are layered on the screen depends solely on the + * order specified using clutter_actor_raise() and + * clutter_actor_lower(), otherwise it will also take into account the + * actor's depth. Depth testing is disabled by default. + * + * Deprecated: 1.16: Use cogl_pipeline_set_depth_state() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_depth_state) +void +cogl_set_depth_test_enabled (CoglBool setting); + +/** + * cogl_get_depth_test_enabled: + * + * Queries if depth testing has been enabled via cogl_set_depth_test_enable() + * + * Return value: %TRUE if depth testing is enabled, and %FALSE otherwise + * + * Deprecated: 1.16: Use cogl_pipeline_set_depth_state() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_depth_state) +CoglBool +cogl_get_depth_test_enabled (void); + +/** + * cogl_set_backface_culling_enabled: + * @setting: %TRUE to enable backface culling or %FALSE to disable. + * + * Sets whether textures positioned so that their backface is showing + * should be hidden. This can be used to efficiently draw two-sided + * textures or fully closed cubes without enabling depth testing. This + * only affects calls to the cogl_rectangle* family of functions and + * cogl_vertex_buffer_draw*. Backface culling is disabled by default. + * + * Deprecated: 1.16: Use cogl_pipeline_set_cull_face_mode() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_cull_face_mode) +void +cogl_set_backface_culling_enabled (CoglBool setting); + +/** + * cogl_get_backface_culling_enabled: + * + * Queries if backface culling has been enabled via + * cogl_set_backface_culling_enabled() + * + * Return value: %TRUE if backface culling is enabled, and %FALSE otherwise + * + * Deprecated: 1.16: Use cogl_pipeline_get_cull_face_mode() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_cull_face_mode) +CoglBool +cogl_get_backface_culling_enabled (void); + +/** + * cogl_set_fog: + * @fog_color: The color of the fog + * @mode: A #CoglFogMode that determines the equation used to calculate the + * fogging blend factor. + * @density: Used by %COGL_FOG_MODE_EXPONENTIAL and by + * %COGL_FOG_MODE_EXPONENTIAL_SQUARED equations. + * @z_near: Position along Z axis where no fogging should be applied + * @z_far: Position along Z axis where full fogging should be applied + * + * Enables fogging. Fogging causes vertices that are further away from the eye + * to be rendered with a different color. The color is determined according to + * the chosen fog mode; at it's simplest the color is linearly interpolated so + * that vertices at @z_near are drawn fully with their original color and + * vertices at @z_far are drawn fully with @fog_color. Fogging will remain + * enabled until you call cogl_disable_fog(). + * + * The fogging functions only work correctly when primitives use + * unmultiplied alpha colors. By default Cogl will premultiply textures + * and cogl_set_source_color() will premultiply colors, so unless you + * explicitly load your textures requesting an unmultiplied internal format + * and use cogl_material_set_color() you can only use fogging with fully + * opaque primitives. This might improve in the future when we can depend + * on fragment shaders. + * + * Deprecated: 1.16: Use #CoglSnippet shader api for fog + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_API) +void +cogl_set_fog (const CoglColor *fog_color, + CoglFogMode mode, + float density, + float z_near, + float z_far); + +/** + * cogl_disable_fog: + * + * This function disables fogging, so primitives drawn afterwards will not be + * blended with any previously set fog color. + * + * Deprecated: 1.16: Use #CoglSnippet shader api for fog + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_API) +void +cogl_disable_fog (void); + +/** + * cogl_clear: + * @color: Background color to clear to + * @buffers: A mask of #CoglBufferBit's identifying which auxiliary + * buffers to clear + * + * Clears all the auxiliary buffers identified in the @buffers mask, and if + * that includes the color buffer then the specified @color is used. + * + * Deprecated: 1.16: Use cogl_framebuffer_clear() api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_clear) +void +cogl_clear (const CoglColor *color, + unsigned long buffers); + +/** + * cogl_set_source: + * @material: A #CoglMaterial + * + * This function changes the material at the top of the source stack. + * The material at the top of this stack defines the GPU state used to + * process subsequent primitives, such as rectangles drawn with + * cogl_rectangle() or vertices drawn using cogl_vertex_buffer_draw(). + * + * Since: 1.0 + * Deprecated: 1.16: Latest drawing apis all take an explicit + * #CoglPipeline argument so this stack of + * #CoglMaterials shouldn't be used. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_set_source (void *material); + +/** + * cogl_get_source: + * + * Returns the current source material as previously set using + * cogl_set_source(). + * + * You should typically consider the returned material immutable + * and not try to change any of its properties unless you own a + * reference to that material. At times you may be able to get a + * reference to an internally managed materials and the result of + * modifying such materials is undefined. + * + * Return value: The current source material. + * + * Since: 1.6 + * Deprecated: 1.16: Latest drawing apis all take an explicit + * #CoglPipeline argument so this stack of + * #CoglMaterials shouldn't be used. + */ +COGL_DEPRECATED_IN_1_16 +void * +cogl_get_source (void); + +/** + * cogl_push_source: + * @material: A #CoglMaterial + * + * Pushes the given @material to the top of the source stack. The + * material at the top of this stack defines the GPU state used to + * process later primitives as defined by cogl_set_source(). + * + * Since: 1.6 + * Deprecated: 1.16: Latest drawing apis all take an explicit + * #CoglPipeline argument so this stack of + * #CoglMaterials shouldn't be used. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_push_source (void *material); + +/** + * cogl_pop_source: + * + * Removes the material at the top of the source stack. The material + * at the top of this stack defines the GPU state used to process + * later primitives as defined by cogl_set_source(). + * + * Since: 1.6 + * Deprecated: 1.16: Latest drawing apis all take an explicit + * #CoglPipeline argument so this stack of + * #CoglMaterials shouldn't be used. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_pop_source (void); + +/** + * cogl_set_source_color: + * @color: a #CoglColor + * + * This is a convenience function for creating a solid fill source material + * from the given color. This color will be used for any subsequent drawing + * operation. + * + * The color will be premultiplied by Cogl, so the color should be + * non-premultiplied. For example: use (1.0, 0.0, 0.0, 0.5) for + * semi-transparent red. + * + * See also cogl_set_source_color4ub() and cogl_set_source_color4f() + * if you already have the color components. + * + * Since: 1.0 + * Deprecated: 1.16: Latest drawing apis all take an explicit + * #CoglPipeline argument so this stack of + * #CoglMaterials shouldn't be used. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_set_source_color (const CoglColor *color); + +/** + * cogl_set_source_color4ub: + * @red: value of the red channel, between 0 and 255 + * @green: value of the green channel, between 0 and 255 + * @blue: value of the blue channel, between 0 and 255 + * @alpha: value of the alpha channel, between 0 and 255 + * + * This is a convenience function for creating a solid fill source material + * from the given color using unsigned bytes for each component. This + * color will be used for any subsequent drawing operation. + * + * The value for each component is an unsigned byte in the range + * between 0 and 255. + * + * Since: 1.0 + * Deprecated: 1.16: Latest drawing apis all take an explicit + * #CoglPipeline argument so this stack of + * #CoglMaterials shouldn't be used. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_set_source_color4ub (uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha); + +/** + * cogl_set_source_color4f: + * @red: value of the red channel, between 0 and %1.0 + * @green: value of the green channel, between 0 and %1.0 + * @blue: value of the blue channel, between 0 and %1.0 + * @alpha: value of the alpha channel, between 0 and %1.0 + * + * This is a convenience function for creating a solid fill source material + * from the given color using normalized values for each component. This color + * will be used for any subsequent drawing operation. + * + * The value for each component is a fixed point number in the range + * between 0 and %1.0. If the values passed in are outside that + * range, they will be clamped. + * + * Since: 1.0 + * Deprecated: 1.16: Latest drawing apis all take an explicit + * #CoglPipeline argument so this stack of + * #CoglMaterials shouldn't be used. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_set_source_color4f (float red, + float green, + float blue, + float alpha); + +/** + * cogl_set_source_texture: + * @texture: The #CoglTexture you want as your source + * + * This is a convenience function for creating a material with the first + * layer set to @texture and setting that material as the source with + * cogl_set_source. + * + * Note: There is no interaction between calls to cogl_set_source_color + * and cogl_set_source_texture. If you need to blend a texture with a color then + * you can create a simple material like this: + * + * material = cogl_material_new (); + * cogl_material_set_color4ub (material, 0xff, 0x00, 0x00, 0x80); + * cogl_material_set_layer (material, 0, tex_handle); + * cogl_set_source (material); + * + * + * Since: 1.0 + * Deprecated: 1.16: Latest drawing apis all take an explicit + * #CoglPipeline argument so this stack of + * #CoglMaterials shouldn't be used. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_set_source_texture (CoglTexture *texture); + +/** + * cogl_flush: + * + * This function should only need to be called in exceptional circumstances. + * + * As an optimization Cogl drawing functions may batch up primitives + * internally, so if you are trying to use raw GL outside of Cogl you stand a + * better chance of being successful if you ask Cogl to flush any batched + * geometry before making your state changes. + * + * It only ensure that the underlying driver is issued all the commands + * necessary to draw the batched primitives. It provides no guarantees about + * when the driver will complete the rendering. + * + * This provides no guarantees about the GL state upon returning and to avoid + * confusing Cogl you should aim to restore any changes you make before + * resuming use of Cogl. + * + * If you are making state changes with the intention of affecting Cogl drawing + * primitives you are 100% on your own since you stand a good chance of + * conflicting with Cogl internals. For example clutter-gst which currently + * uses direct GL calls to bind ARBfp programs will very likely break when Cogl + * starts to use ARBfb programs itself for the material API. + * + * Since: 1.0 + */ +void +cogl_flush (void); + +/** + * cogl_begin_gl: + * + * We do not advise nor reliably support the interleaving of raw GL drawing and + * Cogl drawing functions, but if you insist, cogl_begin_gl() and cogl_end_gl() + * provide a simple mechanism that may at least give you a fighting chance of + * succeeding. + * + * Note: this doesn't help you modify the behaviour of Cogl drawing functions + * through the modification of GL state; that will never be reliably supported, + * but if you are trying to do something like: + * + * |[ + * { + * - setup some OpenGL state. + * - draw using OpenGL (e.g. glDrawArrays() ) + * - reset modified OpenGL state. + * - continue using Cogl to draw + * } + * ]| + * + * You should surround blocks of drawing using raw GL with cogl_begin_gl() + * and cogl_end_gl(): + * + * |[ + * { + * cogl_begin_gl (); + * - setup some OpenGL state. + * - draw using OpenGL (e.g. glDrawArrays() ) + * - reset modified OpenGL state. + * cogl_end_gl (); + * - continue using Cogl to draw + * } + * ]| + * + * Don't ever try and do: + * + * |[ + * { + * - setup some OpenGL state. + * - use Cogl to draw + * - reset modified OpenGL state. + * } + * ]| + * + * When the internals of Cogl evolves, this is very liable to break. + * + * This function will flush all batched primitives, and subsequently flush + * all internal Cogl state to OpenGL as if it were going to draw something + * itself. + * + * The result is that the OpenGL modelview matrix will be setup; the state + * corresponding to the current source material will be set up and other world + * state such as backface culling, depth and fogging enabledness will be sent + * to OpenGL. + * + * No special material state is flushed, so if you want Cogl to setup a + * simplified material state it is your responsibility to set a simple source + * material before calling cogl_begin_gl(). E.g. by calling + * cogl_set_source_color4ub(). + * + * It is your responsibility to restore any OpenGL state that you modify + * to how it was after calling cogl_begin_gl() if you don't do this then the + * result of further Cogl calls is undefined. + * + * You can not nest begin/end blocks. + * + * Again we would like to stress, we do not advise the use of this API and if + * possible we would prefer to improve Cogl than have developers require raw + * OpenGL. + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglGLES2Context api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (CoglGLES2Context_API) +void +cogl_begin_gl (void); + +/** + * cogl_end_gl: + * + * This is the counterpart to cogl_begin_gl() used to delimit blocks of drawing + * code using raw OpenGL. Please refer to cogl_begin_gl() for full details. + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglGLES2Context api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (CoglGLES2Context_API) +void +cogl_end_gl (void); + +COGL_END_DECLS + +#endif /* __COGL_1_CONTEXT_H__ */ diff --git a/cogl/cogl2-experimental.h b/cogl/cogl2-experimental.h new file mode 100644 index 0000000..e4623d3 --- /dev/null +++ b/cogl/cogl2-experimental.h @@ -0,0 +1,37 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL2_EXPERIMENTAL_H__ +#define __COGL2_EXPERIMENTAL_H__ + +#define COGL_ENABLE_EXPERIMENTAL_2_0_API +#include + +#endif /* __COGL2_EXPERIMENTAL_H__ */ diff --git a/cogl/deprecated/cogl-auto-texture.c b/cogl/deprecated/cogl-auto-texture.c new file mode 100644 index 0000000..87b19c5 --- /dev/null +++ b/cogl/deprecated/cogl-auto-texture.c @@ -0,0 +1,419 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2011,2012 Intel Corporation. + * Copyright (C) 2010 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Matthew Allum + * Neil Roberts + * Robert Bragg + */ + +#include + +#include "cogl-context-private.h" +#include "cogl-texture.h" +#include "cogl-util.h" +#include "cogl-texture-2d.h" +#include "cogl-texture-2d-private.h" +#include "cogl-primitive-texture.h" +#include "cogl-texture-2d-sliced-private.h" +#include "cogl-private.h" +#include "cogl-object.h" +#include "cogl-bitmap-private.h" +#include "cogl-atlas-texture-private.h" +#include "cogl-error-private.h" +#include "cogl-texture-rectangle.h" +#include "cogl-sub-texture.h" +#include "cogl-texture-2d-gl.h" + +#include "deprecated/cogl-auto-texture.h" + +static CoglTexture * +_cogl_texture_new_from_bitmap (CoglBitmap *bitmap, + CoglTextureFlags flags, + CoglPixelFormat internal_format, + CoglBool can_convert_in_place, + CoglError **error); + +static void +set_auto_mipmap_cb (CoglTexture *sub_texture, + const float *sub_texture_coords, + const float *meta_coords, + void *user_data) +{ + cogl_primitive_texture_set_auto_mipmap (COGL_PRIMITIVE_TEXTURE (sub_texture), + FALSE); +} + +CoglTexture * +cogl_texture_new_with_size (unsigned int width, + unsigned int height, + CoglTextureFlags flags, + CoglPixelFormat internal_format) +{ + CoglTexture *tex; + CoglError *skip_error = NULL; + + _COGL_GET_CONTEXT (ctx, NULL); + + if ((_cogl_util_is_pot (width) && _cogl_util_is_pot (height)) || + (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) && + cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP))) + { + /* First try creating a fast-path non-sliced texture */ + tex = COGL_TEXTURE (cogl_texture_2d_new_with_size (ctx, width, height)); + + _cogl_texture_set_internal_format (tex, internal_format); + + if (!cogl_texture_allocate (tex, &skip_error)) + { + cogl_error_free (skip_error); + cogl_object_unref (tex); + tex = NULL; + } + } + else + tex = NULL; + + if (!tex) + { + /* If it fails resort to sliced textures */ + int max_waste = flags & COGL_TEXTURE_NO_SLICING ? -1 : COGL_TEXTURE_MAX_WASTE; + tex = COGL_TEXTURE (cogl_texture_2d_sliced_new_with_size (ctx, + width, + height, + max_waste)); + + _cogl_texture_set_internal_format (tex, internal_format); + } + + /* NB: This api existed before Cogl introduced lazy allocation of + * textures and so we maintain its original synchronous allocation + * semantics and return NULL if allocation fails... */ + if (!cogl_texture_allocate (tex, &skip_error)) + { + cogl_error_free (skip_error); + cogl_object_unref (tex); + return NULL; + } + + if (tex && + flags & COGL_TEXTURE_NO_AUTO_MIPMAP) + { + cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (tex), + 0, 0, 1, 1, + COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE, + COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE, + set_auto_mipmap_cb, + NULL); + } + + return tex; +} + +static CoglTexture * +_cogl_texture_new_from_data (CoglContext *ctx, + int width, + int height, + CoglTextureFlags flags, + CoglPixelFormat format, + CoglPixelFormat internal_format, + int rowstride, + const uint8_t *data, + CoglError **error) +{ + CoglBitmap *bmp; + CoglTexture *tex; + + _COGL_RETURN_VAL_IF_FAIL (format != COGL_PIXEL_FORMAT_ANY, NULL); + _COGL_RETURN_VAL_IF_FAIL (data != NULL, NULL); + + /* Rowstride from width if not given */ + if (rowstride == 0) + rowstride = width * _cogl_pixel_format_get_bytes_per_pixel (format); + + /* Wrap the data into a bitmap */ + bmp = cogl_bitmap_new_for_data (ctx, + width, height, + format, + rowstride, + (uint8_t *) data); + + tex = _cogl_texture_new_from_bitmap (bmp, + flags, + internal_format, + FALSE, /* can't convert in place */ + error); + + cogl_object_unref (bmp); + + return tex; +} + +CoglTexture * +cogl_texture_new_from_data (int width, + int height, + CoglTextureFlags flags, + CoglPixelFormat format, + CoglPixelFormat internal_format, + int rowstride, + const uint8_t *data) +{ + CoglError *ignore_error = NULL; + CoglTexture *tex; + + _COGL_GET_CONTEXT (ctx, NULL); + + tex = _cogl_texture_new_from_data (ctx, + width, height, + flags, + format, internal_format, + rowstride, + data, + &ignore_error); + if (!tex) + cogl_error_free (ignore_error); + return tex; +} + +static CoglTexture * +_cogl_texture_new_from_bitmap (CoglBitmap *bitmap, + CoglTextureFlags flags, + CoglPixelFormat internal_format, + CoglBool can_convert_in_place, + CoglError **error) +{ + CoglContext *ctx = _cogl_bitmap_get_context (bitmap); + CoglTexture *tex; + CoglError *internal_error = NULL; + + if (!flags && + !COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_ATLAS)) + { + /* First try putting the texture in the atlas */ + CoglAtlasTexture *atlas_tex = + _cogl_atlas_texture_new_from_bitmap (bitmap, + can_convert_in_place); + + _cogl_texture_set_internal_format (COGL_TEXTURE (atlas_tex), + internal_format); + + if (cogl_texture_allocate (COGL_TEXTURE (atlas_tex), &internal_error)) + return COGL_TEXTURE (atlas_tex); + + cogl_error_free (internal_error); + internal_error = NULL; + cogl_object_unref (atlas_tex); + } + + /* If that doesn't work try a fast path 2D texture */ + if ((_cogl_util_is_pot (bitmap->width) && + _cogl_util_is_pot (bitmap->height)) || + (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) && + cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP))) + { + tex = COGL_TEXTURE (_cogl_texture_2d_new_from_bitmap (bitmap, + can_convert_in_place)); + + _cogl_texture_set_internal_format (tex, internal_format); + + if (!cogl_texture_allocate (tex, &internal_error)) + { + cogl_error_free (internal_error); + internal_error = NULL; + cogl_object_unref (tex); + tex = NULL; + } + } + else + tex = NULL; + + if (!tex) + { + /* Otherwise create a sliced texture */ + int max_waste = flags & COGL_TEXTURE_NO_SLICING ? -1 : COGL_TEXTURE_MAX_WASTE; + tex = COGL_TEXTURE (_cogl_texture_2d_sliced_new_from_bitmap (bitmap, + max_waste, + can_convert_in_place)); + + _cogl_texture_set_internal_format (tex, internal_format); + + if (!cogl_texture_allocate (tex, error)) + { + cogl_object_unref (tex); + tex = NULL; + } + } + + if (tex && + flags & COGL_TEXTURE_NO_AUTO_MIPMAP) + { + cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (tex), + 0, 0, 1, 1, + COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE, + COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE, + set_auto_mipmap_cb, + NULL); + } + + return tex; +} + +CoglTexture * +cogl_texture_new_from_bitmap (CoglBitmap *bitmap, + CoglTextureFlags flags, + CoglPixelFormat internal_format) +{ + CoglError *ignore_error = NULL; + CoglTexture *tex = + _cogl_texture_new_from_bitmap (bitmap, + flags, + internal_format, + FALSE, /* can't convert in-place */ + &ignore_error); + if (!tex) + cogl_error_free (ignore_error); + return tex; +} + +CoglTexture * +cogl_texture_new_from_file (const char *filename, + CoglTextureFlags flags, + CoglPixelFormat internal_format, + CoglError **error) +{ + CoglBitmap *bmp; + CoglTexture *texture = NULL; + + _COGL_GET_CONTEXT (ctx, NULL); + + _COGL_RETURN_VAL_IF_FAIL (error == NULL || *error == NULL, NULL); + + bmp = cogl_bitmap_new_from_file (filename, error); + if (bmp == NULL) + return NULL; + + texture = _cogl_texture_new_from_bitmap (bmp, flags, + internal_format, + TRUE, /* can convert in-place */ + error); + + cogl_object_unref (bmp); + + return texture; +} + +CoglTexture * +cogl_texture_new_from_foreign (GLuint gl_handle, + GLenum gl_target, + GLuint width, + GLuint height, + GLuint x_pot_waste, + GLuint y_pot_waste, + CoglPixelFormat format) +{ + _COGL_GET_CONTEXT (ctx, NULL); + +#ifdef HAVE_COGL_GL + if (gl_target == GL_TEXTURE_RECTANGLE_ARB) + { + CoglTextureRectangle *texture_rectangle; + CoglSubTexture *sub_texture; + + if (x_pot_waste != 0 || y_pot_waste != 0) + { + /* It shouldn't be necessary to have waste in this case since + * the texture isn't limited to power of two sizes. */ + g_warning ("You can't create a foreign GL_TEXTURE_RECTANGLE cogl " + "texture with waste\n"); + return NULL; + } + + texture_rectangle = cogl_texture_rectangle_new_from_foreign (ctx, + gl_handle, + width, + height, + format); + _cogl_texture_set_internal_format (COGL_TEXTURE (texture_rectangle), + format); + + /* CoglTextureRectangle textures work with non-normalized + * coordinates, but the semantics for this function that people + * depend on are that all returned texture works with normalized + * coordinates so we wrap with a CoglSubTexture... */ + sub_texture = cogl_sub_texture_new (ctx, + COGL_TEXTURE (texture_rectangle), + 0, 0, width, height); + return COGL_TEXTURE (sub_texture); + } +#endif + + if (x_pot_waste != 0 || y_pot_waste != 0) + { + CoglTexture *tex = + COGL_TEXTURE (_cogl_texture_2d_sliced_new_from_foreign (ctx, + gl_handle, + gl_target, + width, + height, + x_pot_waste, + y_pot_waste, + format)); + _cogl_texture_set_internal_format (tex, format); + + cogl_texture_allocate (tex, NULL); + return tex; + } + else + { + CoglTexture *tex = + COGL_TEXTURE (cogl_texture_2d_gl_new_from_foreign (ctx, + gl_handle, + width, + height, + format)); + _cogl_texture_set_internal_format (tex, format); + + cogl_texture_allocate (tex, NULL); + return tex; + } +} + +CoglTexture * +cogl_texture_new_from_sub_texture (CoglTexture *full_texture, + int sub_x, + int sub_y, + int sub_width, + int sub_height) +{ + _COGL_GET_CONTEXT (ctx, NULL); + return COGL_TEXTURE (cogl_sub_texture_new (ctx, + full_texture, sub_x, sub_y, + sub_width, sub_height)); +} diff --git a/cogl/deprecated/cogl-auto-texture.h b/cogl/deprecated/cogl-auto-texture.h new file mode 100644 index 0000000..331c5a9 --- /dev/null +++ b/cogl/deprecated/cogl-auto-texture.h @@ -0,0 +1,221 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2014 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_AUTO_TEXTURE_H__ +#define __COGL_AUTO_TEXTURE_H__ + +COGL_BEGIN_DECLS + +/** + * cogl_texture_new_with_size: + * @width: width of texture in pixels. + * @height: height of texture in pixels. + * @flags: Optional flags for the texture, or %COGL_TEXTURE_NONE + * @internal_format: the #CoglPixelFormat to use for the GPU storage of the + * texture. + * + * Creates a new #CoglTexture with the specified dimensions and pixel format. + * + * Return value: (transfer full): A newly created #CoglTexture or %NULL on failure + * + * Since: 0.8 + * Deprecated: 1.18: Use specific constructors such as + * cogl_texture_2d_new_with_size() + */ +COGL_DEPRECATED_IN_1_18_FOR(cogl_texture_2d_new_with_size__OR__cogl_texture_2d_sliced_new_with_size) +CoglTexture * +cogl_texture_new_with_size (unsigned int width, + unsigned int height, + CoglTextureFlags flags, + CoglPixelFormat internal_format); + +/** + * cogl_texture_new_from_file: + * @filename: the file to load + * @flags: Optional flags for the texture, or %COGL_TEXTURE_NONE + * @internal_format: the #CoglPixelFormat to use for the GPU storage of the + * texture. If %COGL_PIXEL_FORMAT_ANY is given then a premultiplied + * format similar to the format of the source data will be used. The + * default blending equations of Cogl expect premultiplied color data; + * the main use of passing a non-premultiplied format here is if you + * have non-premultiplied source data and are going to adjust the blend + * mode (see cogl_material_set_blend()) or use the data for something + * other than straight blending. + * @error: return location for a #CoglError or %NULL + * + * Creates a #CoglTexture from an image file. + * + * Return value: (transfer full): A newly created #CoglTexture or + * %NULL on failure + * + * Since: 0.8 + * Deprecated: 1.18: Use specific constructors such as + * cogl_texture_2d_new_from_file() + */ +COGL_DEPRECATED_IN_1_18_FOR(cogl_texture_2d_new_from_file__OR__cogl_texture_2d_sliced_new_from_file) +CoglTexture * +cogl_texture_new_from_file (const char *filename, + CoglTextureFlags flags, + CoglPixelFormat internal_format, + CoglError **error); + +/** + * cogl_texture_new_from_data: + * @width: width of texture in pixels + * @height: height of texture in pixels + * @flags: Optional flags for the texture, or %COGL_TEXTURE_NONE + * @format: the #CoglPixelFormat the buffer is stored in in RAM + * @internal_format: the #CoglPixelFormat that will be used for storing + * the buffer on the GPU. If COGL_PIXEL_FORMAT_ANY is given then a + * premultiplied format similar to the format of the source data will + * be used. The default blending equations of Cogl expect premultiplied + * color data; the main use of passing a non-premultiplied format here + * is if you have non-premultiplied source data and are going to adjust + * the blend mode (see cogl_material_set_blend()) or use the data for + * something other than straight blending. + * @rowstride: the memory offset in bytes between the starts of + * scanlines in @data + * @data: pointer the memory region where the source buffer resides + * + * Creates a new #CoglTexture based on data residing in memory. + * + * Return value: (transfer full): A newly created #CoglTexture or + * %NULL on failure + * + * Since: 0.8 + * Deprecated: 1.18: Use specific constructors such as + * cogl_texture_2d_new_from_data() + */ +COGL_DEPRECATED_IN_1_18_FOR(cogl_texture_2d_new_from_data__OR__cogl_texture_2d_sliced_new_from_data) +CoglTexture * +cogl_texture_new_from_data (int width, + int height, + CoglTextureFlags flags, + CoglPixelFormat format, + CoglPixelFormat internal_format, + int rowstride, + const uint8_t *data); + +/** + * cogl_texture_new_from_foreign: + * @gl_handle: opengl handle of foreign texture. + * @gl_target: opengl target type of foreign texture + * @width: width of foreign texture + * @height: height of foreign texture. + * @x_pot_waste: horizontal waste on the right hand edge of the texture. + * @y_pot_waste: vertical waste on the bottom edge of the texture. + * @format: format of the foreign texture. + * + * Creates a #CoglTexture based on an existing OpenGL texture; the + * width, height and format are passed along since it is not always + * possible to query these from OpenGL. + * + * The waste arguments allow you to create a Cogl texture that maps to + * a region smaller than the real OpenGL texture. For instance if your + * hardware only supports power-of-two textures you may load a + * non-power-of-two image into a larger power-of-two texture and use + * the waste arguments to tell Cogl which region should be mapped to + * the texture coordinate range [0:1]. + * + * Return value: (transfer full): A newly created #CoglTexture or + * %NULL on failure + * + * Since: 0.8 + * Deprecated: 1.18: Use specific constructors such as + * cogl_texture_2d_new_from_foreign() + */ +COGL_DEPRECATED_IN_1_18_FOR(cogl_texture_2d_new_from_foreign) +CoglTexture * +cogl_texture_new_from_foreign (unsigned int gl_handle, + unsigned int gl_target, + unsigned int width, + unsigned int height, + unsigned int x_pot_waste, + unsigned int y_pot_waste, + CoglPixelFormat format); + +/** + * cogl_texture_new_from_bitmap: + * @bitmap: A #CoglBitmap pointer + * @flags: Optional flags for the texture, or %COGL_TEXTURE_NONE + * @internal_format: the #CoglPixelFormat to use for the GPU storage of the + * texture + * + * Creates a #CoglTexture from a #CoglBitmap. + * + * Return value: (transfer full): A newly created #CoglTexture or + * %NULL on failure + * + * Since: 1.0 + * Deprecated: 1.18: Use specific constructors such as + * cogl_texture_2d_new_from_bitmap() + */ +COGL_DEPRECATED_IN_1_18_FOR(cogl_texture_2d_new_from_bitmap__OR__cogl_texture_2d_sliced_new_from_bitmap) +CoglTexture * +cogl_texture_new_from_bitmap (CoglBitmap *bitmap, + CoglTextureFlags flags, + CoglPixelFormat internal_format); + +/** + * cogl_texture_new_from_sub_texture: + * @full_texture: a #CoglTexture pointer + * @sub_x: X coordinate of the top-left of the subregion + * @sub_y: Y coordinate of the top-left of the subregion + * @sub_width: Width in pixels of the subregion + * @sub_height: Height in pixels of the subregion + * + * Creates a new texture which represents a subregion of another + * texture. The GL resources will be shared so that no new texture + * data is actually allocated. + * + * Sub textures have undefined behaviour texture coordinates outside + * of the range [0,1] are used. They also do not work with + * CoglVertexBuffers. + * + * The sub texture will keep a reference to the full texture so you do + * not need to keep one separately if you only want to use the sub + * texture. + * + * Return value: (transfer full): A newly created #CoglTexture or + * %NULL on failure + * Since: 1.2 + * Deprecated: 1.18: Use cogl_sub_texture_new() + */ +COGL_DEPRECATED_IN_1_18_FOR(cogl_sub_texture_new) +CoglTexture * +cogl_texture_new_from_sub_texture (CoglTexture *full_texture, + int sub_x, + int sub_y, + int sub_width, + int sub_height); + +COGL_END_DECLS + +#endif /* __COGL_AUTO_TEXTURE_H__ */ diff --git a/cogl/deprecated/cogl-clip-state.c b/cogl/deprecated/cogl-clip-state.c new file mode 100644 index 0000000..1e0ec92 --- /dev/null +++ b/cogl/deprecated/cogl-clip-state.c @@ -0,0 +1,138 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include + +#include "cogl-clip-state.h" +#include "cogl-clip-stack.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-journal-private.h" +#include "cogl-util.h" +#include "cogl-matrix-private.h" +#include "cogl1-context.h" + +void +cogl_clip_push_window_rectangle (int x_offset, + int y_offset, + int width, + int height) +{ + cogl_framebuffer_push_scissor_clip (cogl_get_draw_framebuffer (), + x_offset, y_offset, width, height); +} + +/* XXX: This is deprecated API */ +void +cogl_clip_push_window_rect (float x_offset, + float y_offset, + float width, + float height) +{ + cogl_clip_push_window_rectangle (x_offset, y_offset, width, height); +} + +void +cogl_clip_push_rectangle (float x_1, + float y_1, + float x_2, + float y_2) +{ + cogl_framebuffer_push_rectangle_clip (cogl_get_draw_framebuffer (), + x_1, y_1, x_2, y_2); +} + +/* XXX: Deprecated API */ +void +cogl_clip_push (float x_offset, + float y_offset, + float width, + float height) +{ + cogl_clip_push_rectangle (x_offset, + y_offset, + x_offset + width, + y_offset + height); +} + +void +cogl_clip_push_primitive (CoglPrimitive *primitive, + float bounds_x1, + float bounds_y1, + float bounds_x2, + float bounds_y2) +{ + cogl_framebuffer_push_primitive_clip (cogl_get_draw_framebuffer (), + primitive, + bounds_x1, + bounds_y1, + bounds_x2, + bounds_y2); +} + +void +cogl_clip_pop (void) +{ + cogl_framebuffer_pop_clip (cogl_get_draw_framebuffer ()); +} + +void +cogl_clip_stack_save (void) +{ + /* This function was just used to temporarily switch the clip stack + * when using an offscreen buffer. This is no longer needed because + * each framebuffer maintains its own clip stack. The function is + * documented to do nothing since version 1.2 */ +} + +void +cogl_clip_stack_restore (void) +{ + /* Do nothing. See cogl_clip_stack_save() */ +} + +/* XXX: This should never have been made public API! */ +void +cogl_clip_ensure (void) +{ + /* Do nothing. + * + * This API shouldn't be used by anyone and the documented semantics + * are basically vague enough that we can get away with doing + * nothing here. + */ +} diff --git a/cogl/deprecated/cogl-clip-state.h b/cogl/deprecated/cogl-clip-state.h new file mode 100644 index 0000000..51091ab --- /dev/null +++ b/cogl/deprecated/cogl-clip-state.h @@ -0,0 +1,266 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_CLIP_STATE_H__ +#define __COGL_CLIP_STATE_H__ + +#include +#include +#include + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-clipping + * @short_description: Fuctions for manipulating a stack of clipping regions + * + * To support clipping your geometry to rectangles or paths Cogl exposes a + * stack based API whereby each clip region you push onto the stack is + * intersected with the previous region. + */ + +/** + * cogl_clip_push_window_rectangle: + * @x_offset: left edge of the clip rectangle in window coordinates + * @y_offset: top edge of the clip rectangle in window coordinates + * @width: width of the clip rectangle + * @height: height of the clip rectangle + * + * Specifies a rectangular clipping area for all subsequent drawing + * operations. Any drawing commands that extend outside the rectangle + * will be clipped so that only the portion inside the rectangle will + * be displayed. The rectangle dimensions are not transformed by the + * current model-view matrix. + * + * The rectangle is intersected with the current clip region. To undo + * the effect of this function, call cogl_clip_pop(). + * + * Since: 1.2 + * Deprecated: 1.16: Use cogl_framebuffer_push_scissor_clip() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_push_scissor_clip) +void +cogl_clip_push_window_rectangle (int x_offset, + int y_offset, + int width, + int height); + +/** + * cogl_clip_push_window_rect: + * @x_offset: left edge of the clip rectangle in window coordinates + * @y_offset: top edge of the clip rectangle in window coordinates + * @width: width of the clip rectangle + * @height: height of the clip rectangle + * + * Specifies a rectangular clipping area for all subsequent drawing + * operations. Any drawing commands that extend outside the rectangle + * will be clipped so that only the portion inside the rectangle will + * be displayed. The rectangle dimensions are not transformed by the + * current model-view matrix. + * + * The rectangle is intersected with the current clip region. To undo + * the effect of this function, call cogl_clip_pop(). + * + * Deprecated: 1.16: Use cogl_framebuffer_push_scissor_clip() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_push_scissor_clip) +void +cogl_clip_push_window_rect (float x_offset, + float y_offset, + float width, + float height); + +/** + * cogl_clip_push_rectangle: + * @x0: x coordinate for top left corner of the clip rectangle + * @y0: y coordinate for top left corner of the clip rectangle + * @x1: x coordinate for bottom right corner of the clip rectangle + * @y1: y coordinate for bottom right corner of the clip rectangle + * + * Specifies a rectangular clipping area for all subsequent drawing + * operations. Any drawing commands that extend outside the rectangle + * will be clipped so that only the portion inside the rectangle will + * be displayed. The rectangle dimensions are transformed by the + * current model-view matrix. + * + * The rectangle is intersected with the current clip region. To undo + * the effect of this function, call cogl_clip_pop(). + * + * Since: 1.2 + * Deprecated: 1.16: Use cogl_framebuffer_push_rectangle_clip() + * instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_push_rectangle_clip) +void +cogl_clip_push_rectangle (float x0, + float y0, + float x1, + float y1); + +/** + * cogl_clip_push: + * @x_offset: left edge of the clip rectangle + * @y_offset: top edge of the clip rectangle + * @width: width of the clip rectangle + * @height: height of the clip rectangle + * + * Specifies a rectangular clipping area for all subsequent drawing + * operations. Any drawing commands that extend outside the rectangle + * will be clipped so that only the portion inside the rectangle will + * be displayed. The rectangle dimensions are transformed by the + * current model-view matrix. + * + * The rectangle is intersected with the current clip region. To undo + * the effect of this function, call cogl_clip_pop(). + * + * Deprecated: 1.16: The x, y, width, height arguments are inconsistent + * with other API that specify rectangles in model space, and when used + * with a coordinate space that puts the origin at the center and y+ + * extending up, it's awkward to use. Please use + * cogl_framebuffer_push_rectangle_clip() + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_push_rectangle_clip) +void +cogl_clip_push (float x_offset, + float y_offset, + float width, + float height); + +/** + * cogl_clip_push_primitive: + * @primitive: A #CoglPrimitive describing a flat 2D shape + * @bounds_x1: x coordinate for the top-left corner of the primitives + * bounds + * @bounds_y1: y coordinate for the top-left corner of the primitives + * bounds + * @bounds_x2: x coordinate for the bottom-right corner of the primitives + * bounds + * @bounds_y2: y coordinate for the bottom-right corner of the + * primitives bounds. + * + * Sets a new clipping area using a 2D shaped described with a + * #CoglPrimitive. The shape must not contain self overlapping + * geometry and must lie on a single 2D plane. A bounding box of the + * 2D shape in local coordinates (the same coordinates used to + * describe the shape) must be given. It is acceptable for the bounds + * to be larger than the true bounds but behaviour is undefined if the + * bounds are smaller than the true bounds. + * + * The primitive is transformed by the current model-view matrix and + * the silhouette is intersected with the previous clipping area. To + * restore the previous clipping area, call + * cogl_clip_pop(). + * + * Since: 1.10 + * Stability: unstable + * Deprecated: 1.16: Use cogl_framebuffer_push_primitive_clip() + * instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_push_primitive_clip) +void +cogl_clip_push_primitive (CoglPrimitive *primitive, + float bounds_x1, + float bounds_y1, + float bounds_x2, + float bounds_y2); +/** + * cogl_clip_pop: + * + * Reverts the clipping region to the state before the last call to + * cogl_clip_push(). + * + * Deprecated: 1.16: Use cogl_framebuffer_pop_clip() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_pop_clip) +void +cogl_clip_pop (void); + +/** + * cogl_clip_ensure: + * + * Ensures that the current clipping region has been set in GL. This + * will automatically be called before any Cogl primitives but it + * maybe be neccessary to call if you are using raw GL calls with + * clipping. + * + * Deprecated: 1.2: Calling this function has no effect + * + * Since: 1.0 + */ +COGL_DEPRECATED +void +cogl_clip_ensure (void); + +/** + * cogl_clip_stack_save: + * + * Save the entire state of the clipping stack and then clear all + * clipping. The previous state can be returned to with + * cogl_clip_stack_restore(). Each call to cogl_clip_push() after this + * must be matched by a call to cogl_clip_pop() before calling + * cogl_clip_stack_restore(). + * + * Deprecated: 1.2: This was originally added to allow us to save the + * clip stack when switching to an offscreen framebuffer, but it's + * not necessary anymore given that framebuffers now own separate + * clip stacks which will be automatically switched between when a + * new buffer is set. Calling this function has no effect + * + * Since: 0.8.2 + */ +COGL_DEPRECATED +void +cogl_clip_stack_save (void); + +/** + * cogl_clip_stack_restore: + * + * Restore the state of the clipping stack that was previously saved + * by cogl_clip_stack_save(). + * + * Deprecated: 1.2: This was originally added to allow us to restore + * the clip stack when switching back from an offscreen framebuffer, + * but it's not necessary anymore given that framebuffers now own + * separate clip stacks which will be automatically switched between + * when a new buffer is set. Calling this function has no effect + * + * Since: 0.8.2 + */ +COGL_DEPRECATED +void +cogl_clip_stack_restore (void); + +COGL_END_DECLS + +#endif /* __COGL_CLIP_STATE_H__ */ diff --git a/cogl/deprecated/cogl-clutter-xlib.h b/cogl/deprecated/cogl-clutter-xlib.h new file mode 100644 index 0000000..424ff49 --- /dev/null +++ b/cogl/deprecated/cogl-clutter-xlib.h @@ -0,0 +1,46 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_XLIB_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_CLUTTER_XLIB_H__ +#define __COGL_CLUTTER_XLIB_H__ + +#include + +COGL_BEGIN_DECLS + +#define cogl_clutter_winsys_xlib_get_visual_info cogl_clutter_winsys_xlib_get_visual_info_CLUTTER +XVisualInfo * +cogl_clutter_winsys_xlib_get_visual_info (void); + +COGL_END_DECLS + +#endif /* __COGL_CLUTTER_XLIB_H__ */ diff --git a/cogl/deprecated/cogl-clutter.c b/cogl/deprecated/cogl-clutter.c new file mode 100644 index 0000000..bb17bc2 --- /dev/null +++ b/cogl/deprecated/cogl-clutter.c @@ -0,0 +1,113 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#include "cogl-util.h" +#include "cogl-types.h" +#include "cogl-private.h" +#include "cogl-context-private.h" +#include "cogl-winsys-private.h" +#include "cogl-winsys-stub-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-private.h" +#ifdef COGL_HAS_XLIB_SUPPORT +#include "cogl-clutter-xlib.h" +#endif +#include "cogl-clutter.h" + +CoglBool +cogl_clutter_check_extension (const char *name, const char *ext) +{ + char *end; + int name_len, n; + + if (name == NULL || ext == NULL) + return FALSE; + + end = (char*)(ext + strlen(ext)); + + name_len = strlen(name); + + while (ext < end) + { + n = strcspn(ext, " "); + + if ((name_len == n) && (!strncmp(name, ext, n))) + return TRUE; + ext += (n + 1); + } + + return FALSE; +} + +CoglBool +cogl_clutter_winsys_has_feature (CoglWinsysFeature feature) +{ + return _cogl_winsys_has_feature (feature); +} + +void +cogl_onscreen_clutter_backend_set_size (int width, int height) +{ + CoglFramebuffer *framebuffer; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (_cogl_context_get_winsys (ctx) != _cogl_winsys_stub_get_vtable ()) + return; + + framebuffer = COGL_FRAMEBUFFER (ctx->window_buffer); + + _cogl_framebuffer_winsys_update_size (framebuffer, width, height); +} + +#ifdef COGL_HAS_XLIB_SUPPORT +XVisualInfo * +cogl_clutter_winsys_xlib_get_visual_info (void) +{ + const CoglWinsysVtable *winsys; + + _COGL_GET_CONTEXT (ctx, NULL); + + winsys = _cogl_context_get_winsys (ctx); + + /* This should only be called for xlib contexts */ + _COGL_RETURN_VAL_IF_FAIL (winsys->xlib_get_visual_info != NULL, NULL); + + return winsys->xlib_get_visual_info (); +} +#endif diff --git a/cogl/deprecated/cogl-clutter.h b/cogl/deprecated/cogl-clutter.h new file mode 100644 index 0000000..cc6c446 --- /dev/null +++ b/cogl/deprecated/cogl-clutter.h @@ -0,0 +1,54 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_CLUTTER_H__ +#define __COGL_CLUTTER_H__ + +COGL_BEGIN_DECLS + +#define cogl_clutter_check_extension cogl_clutter_check_extension_CLUTTER +COGL_DEPRECATED_IN_1_16 +CoglBool +cogl_clutter_check_extension (const char *name, const char *ext); + +#define cogl_clutter_winsys_has_feature cogl_clutter_winsys_has_feature_CLUTTER +COGL_DEPRECATED_FOR (cogl_has_feature) +CoglBool +cogl_clutter_winsys_has_feature (CoglWinsysFeature feature); + +#define cogl_onscreen_clutter_backend_set_size cogl_onscreen_clutter_backend_set_size_CLUTTER +void +cogl_onscreen_clutter_backend_set_size (int width, int height); + +COGL_END_DECLS + +#endif /* __COGL_CLUTTER_H__ */ diff --git a/cogl/deprecated/cogl-fixed.c b/cogl/deprecated/cogl-fixed.c new file mode 100644 index 0000000..bdae6cd --- /dev/null +++ b/cogl/deprecated/cogl-fixed.c @@ -0,0 +1,1112 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#define G_IMPLEMENT_INLINES + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include + +#ifdef HAVE_FLOAT_WORD_ORDER +#include +#endif + +#include "cogl-fixed.h" + +/* pre-computed sin table for 1st quadrant + * + * Currently contains 257 entries. + * + * The current maximum absolute error is about 1.9e-0.5 + * and is greatest around pi/2 where the second derivative + * of sin(x) is greatest. If greater accuracy is needed, + * modestly increasing the table size, or maybe using + * quadratic interpolation would drop the interpolation + * error below the precision limits of CoglFixed. + */ +static const CoglFixed sin_tbl[] = +{ + 0x00000000L, 0x00000192L, 0x00000324L, 0x000004B6L, + 0x00000648L, 0x000007DAL, 0x0000096CL, 0x00000AFEL, + 0x00000C90L, 0x00000E21L, 0x00000FB3L, 0x00001144L, + 0x000012D5L, 0x00001466L, 0x000015F7L, 0x00001787L, + 0x00001918L, 0x00001AA8L, 0x00001C38L, 0x00001DC7L, + 0x00001F56L, 0x000020E5L, 0x00002274L, 0x00002402L, + 0x00002590L, 0x0000271EL, 0x000028ABL, 0x00002A38L, + 0x00002BC4L, 0x00002D50L, 0x00002EDCL, 0x00003067L, + 0x000031F1L, 0x0000337CL, 0x00003505L, 0x0000368EL, + 0x00003817L, 0x0000399FL, 0x00003B27L, 0x00003CAEL, + 0x00003E34L, 0x00003FBAL, 0x0000413FL, 0x000042C3L, + 0x00004447L, 0x000045CBL, 0x0000474DL, 0x000048CFL, + 0x00004A50L, 0x00004BD1L, 0x00004D50L, 0x00004ECFL, + 0x0000504DL, 0x000051CBL, 0x00005348L, 0x000054C3L, + 0x0000563EL, 0x000057B9L, 0x00005932L, 0x00005AAAL, + 0x00005C22L, 0x00005D99L, 0x00005F0FL, 0x00006084L, + 0x000061F8L, 0x0000636BL, 0x000064DDL, 0x0000664EL, + 0x000067BEL, 0x0000692DL, 0x00006A9BL, 0x00006C08L, + 0x00006D74L, 0x00006EDFL, 0x00007049L, 0x000071B2L, + 0x0000731AL, 0x00007480L, 0x000075E6L, 0x0000774AL, + 0x000078ADL, 0x00007A10L, 0x00007B70L, 0x00007CD0L, + 0x00007E2FL, 0x00007F8CL, 0x000080E8L, 0x00008243L, + 0x0000839CL, 0x000084F5L, 0x0000864CL, 0x000087A1L, + 0x000088F6L, 0x00008A49L, 0x00008B9AL, 0x00008CEBL, + 0x00008E3AL, 0x00008F88L, 0x000090D4L, 0x0000921FL, + 0x00009368L, 0x000094B0L, 0x000095F7L, 0x0000973CL, + 0x00009880L, 0x000099C2L, 0x00009B03L, 0x00009C42L, + 0x00009D80L, 0x00009EBCL, 0x00009FF7L, 0x0000A130L, + 0x0000A268L, 0x0000A39EL, 0x0000A4D2L, 0x0000A605L, + 0x0000A736L, 0x0000A866L, 0x0000A994L, 0x0000AAC1L, + 0x0000ABEBL, 0x0000AD14L, 0x0000AE3CL, 0x0000AF62L, + 0x0000B086L, 0x0000B1A8L, 0x0000B2C9L, 0x0000B3E8L, + 0x0000B505L, 0x0000B620L, 0x0000B73AL, 0x0000B852L, + 0x0000B968L, 0x0000BA7DL, 0x0000BB8FL, 0x0000BCA0L, + 0x0000BDAFL, 0x0000BEBCL, 0x0000BFC7L, 0x0000C0D1L, + 0x0000C1D8L, 0x0000C2DEL, 0x0000C3E2L, 0x0000C4E4L, + 0x0000C5E4L, 0x0000C6E2L, 0x0000C7DEL, 0x0000C8D9L, + 0x0000C9D1L, 0x0000CAC7L, 0x0000CBBCL, 0x0000CCAEL, + 0x0000CD9FL, 0x0000CE8EL, 0x0000CF7AL, 0x0000D065L, + 0x0000D14DL, 0x0000D234L, 0x0000D318L, 0x0000D3FBL, + 0x0000D4DBL, 0x0000D5BAL, 0x0000D696L, 0x0000D770L, + 0x0000D848L, 0x0000D91EL, 0x0000D9F2L, 0x0000DAC4L, + 0x0000DB94L, 0x0000DC62L, 0x0000DD2DL, 0x0000DDF7L, + 0x0000DEBEL, 0x0000DF83L, 0x0000E046L, 0x0000E107L, + 0x0000E1C6L, 0x0000E282L, 0x0000E33CL, 0x0000E3F4L, + 0x0000E4AAL, 0x0000E55EL, 0x0000E610L, 0x0000E6BFL, + 0x0000E76CL, 0x0000E817L, 0x0000E8BFL, 0x0000E966L, + 0x0000EA0AL, 0x0000EAABL, 0x0000EB4BL, 0x0000EBE8L, + 0x0000EC83L, 0x0000ED1CL, 0x0000EDB3L, 0x0000EE47L, + 0x0000EED9L, 0x0000EF68L, 0x0000EFF5L, 0x0000F080L, + 0x0000F109L, 0x0000F18FL, 0x0000F213L, 0x0000F295L, + 0x0000F314L, 0x0000F391L, 0x0000F40CL, 0x0000F484L, + 0x0000F4FAL, 0x0000F56EL, 0x0000F5DFL, 0x0000F64EL, + 0x0000F6BAL, 0x0000F724L, 0x0000F78CL, 0x0000F7F1L, + 0x0000F854L, 0x0000F8B4L, 0x0000F913L, 0x0000F96EL, + 0x0000F9C8L, 0x0000FA1FL, 0x0000FA73L, 0x0000FAC5L, + 0x0000FB15L, 0x0000FB62L, 0x0000FBADL, 0x0000FBF5L, + 0x0000FC3BL, 0x0000FC7FL, 0x0000FCC0L, 0x0000FCFEL, + 0x0000FD3BL, 0x0000FD74L, 0x0000FDACL, 0x0000FDE1L, + 0x0000FE13L, 0x0000FE43L, 0x0000FE71L, 0x0000FE9CL, + 0x0000FEC4L, 0x0000FEEBL, 0x0000FF0EL, 0x0000FF30L, + 0x0000FF4EL, 0x0000FF6BL, 0x0000FF85L, 0x0000FF9CL, + 0x0000FFB1L, 0x0000FFC4L, 0x0000FFD4L, 0x0000FFE1L, + 0x0000FFECL, 0x0000FFF5L, 0x0000FFFBL, 0x0000FFFFL, + 0x00010000L, +}; + +/* pre-computed tan table for 1st quadrant */ +static const CoglFixed tan_tbl[] = +{ + 0x00000000L, 0x00000192L, 0x00000324L, 0x000004b7L, + 0x00000649L, 0x000007dbL, 0x0000096eL, 0x00000b01L, + 0x00000c94L, 0x00000e27L, 0x00000fbaL, 0x0000114eL, + 0x000012e2L, 0x00001477L, 0x0000160cL, 0x000017a1L, + 0x00001937L, 0x00001acdL, 0x00001c64L, 0x00001dfbL, + 0x00001f93L, 0x0000212cL, 0x000022c5L, 0x0000245fL, + 0x000025f9L, 0x00002795L, 0x00002931L, 0x00002aceL, + 0x00002c6cL, 0x00002e0aL, 0x00002faaL, 0x0000314aL, + 0x000032ecL, 0x0000348eL, 0x00003632L, 0x000037d7L, + 0x0000397dL, 0x00003b24L, 0x00003cccL, 0x00003e75L, + 0x00004020L, 0x000041ccL, 0x00004379L, 0x00004528L, + 0x000046d8L, 0x0000488aL, 0x00004a3dL, 0x00004bf2L, + 0x00004da8L, 0x00004f60L, 0x0000511aL, 0x000052d5L, + 0x00005492L, 0x00005651L, 0x00005812L, 0x000059d5L, + 0x00005b99L, 0x00005d60L, 0x00005f28L, 0x000060f3L, + 0x000062c0L, 0x0000648fL, 0x00006660L, 0x00006834L, + 0x00006a0aL, 0x00006be2L, 0x00006dbdL, 0x00006f9aL, + 0x0000717aL, 0x0000735dL, 0x00007542L, 0x0000772aL, + 0x00007914L, 0x00007b02L, 0x00007cf2L, 0x00007ee6L, + 0x000080dcL, 0x000082d6L, 0x000084d2L, 0x000086d2L, + 0x000088d6L, 0x00008adcL, 0x00008ce7L, 0x00008ef4L, + 0x00009106L, 0x0000931bL, 0x00009534L, 0x00009750L, + 0x00009971L, 0x00009b95L, 0x00009dbeL, 0x00009febL, + 0x0000a21cL, 0x0000a452L, 0x0000a68cL, 0x0000a8caL, + 0x0000ab0eL, 0x0000ad56L, 0x0000afa3L, 0x0000b1f5L, + 0x0000b44cL, 0x0000b6a8L, 0x0000b909L, 0x0000bb70L, + 0x0000bdddL, 0x0000c04fL, 0x0000c2c7L, 0x0000c545L, + 0x0000c7c9L, 0x0000ca53L, 0x0000cce3L, 0x0000cf7aL, + 0x0000d218L, 0x0000d4bcL, 0x0000d768L, 0x0000da1aL, + 0x0000dcd4L, 0x0000df95L, 0x0000e25eL, 0x0000e52eL, + 0x0000e806L, 0x0000eae7L, 0x0000edd0L, 0x0000f0c1L, + 0x0000f3bbL, 0x0000f6bfL, 0x0000f9cbL, 0x0000fce1L, + 0x00010000L, 0x00010329L, 0x0001065dL, 0x0001099aL, + 0x00010ce3L, 0x00011036L, 0x00011394L, 0x000116feL, + 0x00011a74L, 0x00011df6L, 0x00012184L, 0x0001251fL, + 0x000128c6L, 0x00012c7cL, 0x0001303fL, 0x00013410L, + 0x000137f0L, 0x00013bdfL, 0x00013fddL, 0x000143ebL, + 0x00014809L, 0x00014c37L, 0x00015077L, 0x000154c9L, + 0x0001592dL, 0x00015da4L, 0x0001622eL, 0x000166ccL, + 0x00016b7eL, 0x00017045L, 0x00017523L, 0x00017a17L, + 0x00017f22L, 0x00018444L, 0x00018980L, 0x00018ed5L, + 0x00019445L, 0x000199cfL, 0x00019f76L, 0x0001a53aL, + 0x0001ab1cL, 0x0001b11dL, 0x0001b73fL, 0x0001bd82L, + 0x0001c3e7L, 0x0001ca71L, 0x0001d11fL, 0x0001d7f4L, + 0x0001def1L, 0x0001e618L, 0x0001ed6aL, 0x0001f4e8L, + 0x0001fc96L, 0x00020473L, 0x00020c84L, 0x000214c9L, + 0x00021d44L, 0x000225f9L, 0x00022ee9L, 0x00023818L, + 0x00024187L, 0x00024b3aL, 0x00025534L, 0x00025f78L, + 0x00026a0aL, 0x000274edL, 0x00028026L, 0x00028bb8L, + 0x000297a8L, 0x0002a3fbL, 0x0002b0b5L, 0x0002bdddL, + 0x0002cb79L, 0x0002d98eL, 0x0002e823L, 0x0002f740L, + 0x000306ecL, 0x00031730L, 0x00032816L, 0x000339a6L, + 0x00034bebL, 0x00035ef2L, 0x000372c6L, 0x00038776L, + 0x00039d11L, 0x0003b3a6L, 0x0003cb48L, 0x0003e40aL, + 0x0003fe02L, 0x00041949L, 0x000435f7L, 0x0004542bL, + 0x00047405L, 0x000495a9L, 0x0004b940L, 0x0004def6L, + 0x00050700L, 0x00053196L, 0x00055ef9L, 0x00058f75L, + 0x0005c35dL, 0x0005fb14L, 0x00063709L, 0x000677c0L, + 0x0006bdd0L, 0x000709ecL, 0x00075ce6L, 0x0007b7bbL, + 0x00081b98L, 0x000889e9L, 0x0009046eL, 0x00098d4dL, + 0x000a2736L, 0x000ad593L, 0x000b9cc6L, 0x000c828aL, + 0x000d8e82L, 0x000ecb1bL, 0x001046eaL, 0x00121703L, + 0x00145b00L, 0x0017448dL, 0x001b2672L, 0x002095afL, + 0x0028bc49L, 0x0036519aL, 0x00517bb6L, 0x00a2f8fdL, + 0x46d3eab2L, +}; + +/* 257-value table of atan. + * + * atan_tbl[0] is atan(0.0) and atan_tbl[256] is atan(1). + * The angles are radians in CoglFixed truncated to 16-bit (they're + * all less than one) + */ +static const uint16_t atan_tbl[] = +{ + 0x0000, 0x00FF, 0x01FF, 0x02FF, 0x03FF, 0x04FF, 0x05FF, 0x06FF, + 0x07FF, 0x08FF, 0x09FE, 0x0AFE, 0x0BFD, 0x0CFD, 0x0DFC, 0x0EFB, + 0x0FFA, 0x10F9, 0x11F8, 0x12F7, 0x13F5, 0x14F3, 0x15F2, 0x16F0, + 0x17EE, 0x18EB, 0x19E9, 0x1AE6, 0x1BE3, 0x1CE0, 0x1DDD, 0x1ED9, + 0x1FD5, 0x20D1, 0x21CD, 0x22C8, 0x23C3, 0x24BE, 0x25B9, 0x26B3, + 0x27AD, 0x28A7, 0x29A1, 0x2A9A, 0x2B93, 0x2C8B, 0x2D83, 0x2E7B, + 0x2F72, 0x306A, 0x3160, 0x3257, 0x334D, 0x3442, 0x3538, 0x362D, + 0x3721, 0x3815, 0x3909, 0x39FC, 0x3AEF, 0x3BE2, 0x3CD4, 0x3DC5, + 0x3EB6, 0x3FA7, 0x4097, 0x4187, 0x4277, 0x4365, 0x4454, 0x4542, + 0x462F, 0x471C, 0x4809, 0x48F5, 0x49E0, 0x4ACB, 0x4BB6, 0x4CA0, + 0x4D89, 0x4E72, 0x4F5B, 0x5043, 0x512A, 0x5211, 0x52F7, 0x53DD, + 0x54C2, 0x55A7, 0x568B, 0x576F, 0x5852, 0x5934, 0x5A16, 0x5AF7, + 0x5BD8, 0x5CB8, 0x5D98, 0x5E77, 0x5F55, 0x6033, 0x6110, 0x61ED, + 0x62C9, 0x63A4, 0x647F, 0x6559, 0x6633, 0x670C, 0x67E4, 0x68BC, + 0x6993, 0x6A6A, 0x6B40, 0x6C15, 0x6CEA, 0x6DBE, 0x6E91, 0x6F64, + 0x7036, 0x7108, 0x71D9, 0x72A9, 0x7379, 0x7448, 0x7516, 0x75E4, + 0x76B1, 0x777E, 0x7849, 0x7915, 0x79DF, 0x7AA9, 0x7B72, 0x7C3B, + 0x7D03, 0x7DCA, 0x7E91, 0x7F57, 0x801C, 0x80E1, 0x81A5, 0x8269, + 0x832B, 0x83EE, 0x84AF, 0x8570, 0x8630, 0x86F0, 0x87AF, 0x886D, + 0x892A, 0x89E7, 0x8AA4, 0x8B5F, 0x8C1A, 0x8CD5, 0x8D8E, 0x8E47, + 0x8F00, 0x8FB8, 0x906F, 0x9125, 0x91DB, 0x9290, 0x9345, 0x93F9, + 0x94AC, 0x955F, 0x9611, 0x96C2, 0x9773, 0x9823, 0x98D2, 0x9981, + 0x9A2F, 0x9ADD, 0x9B89, 0x9C36, 0x9CE1, 0x9D8C, 0x9E37, 0x9EE0, + 0x9F89, 0xA032, 0xA0DA, 0xA181, 0xA228, 0xA2CE, 0xA373, 0xA418, + 0xA4BC, 0xA560, 0xA602, 0xA6A5, 0xA746, 0xA7E8, 0xA888, 0xA928, + 0xA9C7, 0xAA66, 0xAB04, 0xABA1, 0xAC3E, 0xACDB, 0xAD76, 0xAE11, + 0xAEAC, 0xAF46, 0xAFDF, 0xB078, 0xB110, 0xB1A7, 0xB23E, 0xB2D5, + 0xB36B, 0xB400, 0xB495, 0xB529, 0xB5BC, 0xB64F, 0xB6E2, 0xB773, + 0xB805, 0xB895, 0xB926, 0xB9B5, 0xBA44, 0xBAD3, 0xBB61, 0xBBEE, + 0xBC7B, 0xBD07, 0xBD93, 0xBE1E, 0xBEA9, 0xBF33, 0xBFBC, 0xC046, + 0xC0CE, 0xC156, 0xC1DD, 0xC264, 0xC2EB, 0xC371, 0xC3F6, 0xC47B, + 0xC4FF, 0xC583, 0xC606, 0xC689, 0xC70B, 0xC78D, 0xC80E, 0xC88F, + 0xC90F +}; + +/* look up table for square root */ +static const CoglFixed sqrt_tbl[] = +{ + 0x00000000L, 0x00010000L, 0x00016A0AL, 0x0001BB68L, + 0x00020000L, 0x00023C6FL, 0x00027312L, 0x0002A550L, + 0x0002D414L, 0x00030000L, 0x0003298BL, 0x0003510EL, + 0x000376CFL, 0x00039B05L, 0x0003BDDDL, 0x0003DF7CL, + 0x00040000L, 0x00041F84L, 0x00043E1EL, 0x00045BE1L, + 0x000478DEL, 0x00049524L, 0x0004B0BFL, 0x0004CBBCL, + 0x0004E624L, 0x00050000L, 0x00051959L, 0x00053237L, + 0x00054AA0L, 0x0005629AL, 0x00057A2BL, 0x00059159L, + 0x0005A828L, 0x0005BE9CL, 0x0005D4B9L, 0x0005EA84L, + 0x00060000L, 0x00061530L, 0x00062A17L, 0x00063EB8L, + 0x00065316L, 0x00066733L, 0x00067B12L, 0x00068EB4L, + 0x0006A21DL, 0x0006B54DL, 0x0006C847L, 0x0006DB0CL, + 0x0006ED9FL, 0x00070000L, 0x00071232L, 0x00072435L, + 0x0007360BL, 0x000747B5L, 0x00075935L, 0x00076A8CL, + 0x00077BBBL, 0x00078CC2L, 0x00079DA3L, 0x0007AE60L, + 0x0007BEF8L, 0x0007CF6DL, 0x0007DFBFL, 0x0007EFF0L, + 0x00080000L, 0x00080FF0L, 0x00081FC1L, 0x00082F73L, + 0x00083F08L, 0x00084E7FL, 0x00085DDAL, 0x00086D18L, + 0x00087C3BL, 0x00088B44L, 0x00089A32L, 0x0008A906L, + 0x0008B7C2L, 0x0008C664L, 0x0008D4EEL, 0x0008E361L, + 0x0008F1BCL, 0x00090000L, 0x00090E2EL, 0x00091C45L, + 0x00092A47L, 0x00093834L, 0x0009460CL, 0x000953CFL, + 0x0009617EL, 0x00096F19L, 0x00097CA1L, 0x00098A16L, + 0x00099777L, 0x0009A4C6L, 0x0009B203L, 0x0009BF2EL, + 0x0009CC47L, 0x0009D94FL, 0x0009E645L, 0x0009F32BL, + 0x000A0000L, 0x000A0CC5L, 0x000A1979L, 0x000A261EL, + 0x000A32B3L, 0x000A3F38L, 0x000A4BAEL, 0x000A5816L, + 0x000A646EL, 0x000A70B8L, 0x000A7CF3L, 0x000A8921L, + 0x000A9540L, 0x000AA151L, 0x000AAD55L, 0x000AB94BL, + 0x000AC534L, 0x000AD110L, 0x000ADCDFL, 0x000AE8A1L, + 0x000AF457L, 0x000B0000L, 0x000B0B9DL, 0x000B172DL, + 0x000B22B2L, 0x000B2E2BL, 0x000B3998L, 0x000B44F9L, + 0x000B504FL, 0x000B5B9AL, 0x000B66D9L, 0x000B720EL, + 0x000B7D37L, 0x000B8856L, 0x000B936AL, 0x000B9E74L, + 0x000BA973L, 0x000BB467L, 0x000BBF52L, 0x000BCA32L, + 0x000BD508L, 0x000BDFD5L, 0x000BEA98L, 0x000BF551L, + 0x000C0000L, 0x000C0AA6L, 0x000C1543L, 0x000C1FD6L, + 0x000C2A60L, 0x000C34E1L, 0x000C3F59L, 0x000C49C8L, + 0x000C542EL, 0x000C5E8CL, 0x000C68E0L, 0x000C732DL, + 0x000C7D70L, 0x000C87ACL, 0x000C91DFL, 0x000C9C0AL, + 0x000CA62CL, 0x000CB047L, 0x000CBA59L, 0x000CC464L, + 0x000CCE66L, 0x000CD861L, 0x000CE254L, 0x000CEC40L, + 0x000CF624L, 0x000D0000L, 0x000D09D5L, 0x000D13A2L, + 0x000D1D69L, 0x000D2727L, 0x000D30DFL, 0x000D3A90L, + 0x000D4439L, 0x000D4DDCL, 0x000D5777L, 0x000D610CL, + 0x000D6A9AL, 0x000D7421L, 0x000D7DA1L, 0x000D871BL, + 0x000D908EL, 0x000D99FAL, 0x000DA360L, 0x000DACBFL, + 0x000DB618L, 0x000DBF6BL, 0x000DC8B7L, 0x000DD1FEL, + 0x000DDB3DL, 0x000DE477L, 0x000DEDABL, 0x000DF6D8L, + 0x000E0000L, 0x000E0922L, 0x000E123DL, 0x000E1B53L, + 0x000E2463L, 0x000E2D6DL, 0x000E3672L, 0x000E3F70L, + 0x000E4869L, 0x000E515DL, 0x000E5A4BL, 0x000E6333L, + 0x000E6C16L, 0x000E74F3L, 0x000E7DCBL, 0x000E869DL, + 0x000E8F6BL, 0x000E9832L, 0x000EA0F5L, 0x000EA9B2L, + 0x000EB26BL, 0x000EBB1EL, 0x000EC3CBL, 0x000ECC74L, + 0x000ED518L, 0x000EDDB7L, 0x000EE650L, 0x000EEEE5L, + 0x000EF775L, 0x000F0000L, 0x000F0886L, 0x000F1107L, + 0x000F1984L, 0x000F21FCL, 0x000F2A6FL, 0x000F32DDL, + 0x000F3B47L, 0x000F43ACL, 0x000F4C0CL, 0x000F5468L, + 0x000F5CBFL, 0x000F6512L, 0x000F6D60L, 0x000F75AAL, + 0x000F7DEFL, 0x000F8630L, 0x000F8E6DL, 0x000F96A5L, + 0x000F9ED9L, 0x000FA709L, 0x000FAF34L, 0x000FB75BL, + 0x000FBF7EL, 0x000FC79DL, 0x000FCFB7L, 0x000FD7CEL, + 0x000FDFE0L, 0x000FE7EEL, 0x000FEFF8L, 0x000FF7FEL, + 0x00100000L, +}; + +/* the difference of the angle for two adjacent values in the + * sin_tbl table, expressed as CoglFixed number + */ +static const int sin_tbl_size = G_N_ELEMENTS (sin_tbl) - 1; + +static const double _magic = 68719476736.0 * 1.5; + +/* Where in the 64 bits of double is the mantissa. + * + * FIXME - this should go inside the configure.ac + */ +#ifdef HAVE_FLOAT_WORD_ORDER +#if (__FLOAT_WORD_ORDER == 1234) +#define _COGL_MAN 0 +#elif (__FLOAT_WORD_ORDER == 4321) +#define _COGL_MAN 1 +#else +#define COGL_NO_FAST_CONVERSIONS +#endif +#else /* HAVE_FLOAT_WORD_ORDER */ +#define COGL_NO_FAST_CONVERSIONS +#endif /* HAVE_FLOAT_WORD_ORDER */ + +/* + * cogl_double_to_fixed : + * @value: value to be converted + * + * A fast conversion from double precision floating to fixed point + * + * Return value: Fixed point representation of the value + */ +CoglFixed +cogl_double_to_fixed (double val) +{ +#ifdef COGL_NO_FAST_CONVERSIONS + return (CoglFixed) (val * (double) COGL_FIXED_1); +#else + union { + double d; + unsigned int i[2]; + } dbl; + + dbl.d = val; + dbl.d = dbl.d + _magic; + + return dbl.i[_COGL_MAN]; +#endif +} + +/* + * cogl_double_to_int : + * @value: value to be converted + * + * A fast conversion from doulbe precision floatint point to int; + * used this instead of casting double/float to int. + * + * Return value: Integer part of the double + */ +int +cogl_double_to_int (double val) +{ +#ifdef COGL_NO_FAST_CONVERSIONS + return (int) (val); +#else + union { + double d; + unsigned int i[2]; + } dbl; + + dbl.d = val; + dbl.d = dbl.d + _magic; + + return ((int) dbl.i[_COGL_MAN]) >> 16; +#endif +} + +unsigned int +cogl_double_to_uint (double val) +{ +#ifdef COGL_NO_FAST_CONVERSIONS + return (unsigned int)(val); +#else + union { + double d; + unsigned int i[2]; + } dbl; + + dbl.d = val; + dbl.d = dbl.d + _magic; + + return (dbl.i[_COGL_MAN]) >> 16; +#endif +} + +#undef _COGL_MAN + +CoglFixed +cogl_fixed_sin (CoglFixed angle) +{ + int sign = 1, indx1, indx2; + CoglFixed low, high; + CoglFixed p1, p2; + CoglFixed d1, d2; + + /* convert negative angle to positive + sign */ + if ((int) angle < 0) + { + sign = -sign; + angle = -angle; + } + + /* reduce to <0, 2*pi) */ + angle = angle % COGL_FIXED_2_PI; + + /* reduce to first quadrant and sign */ + if (angle > COGL_FIXED_PI) + { + sign = -sign; + + if (angle > COGL_FIXED_PI + COGL_FIXED_PI_2) + { + /* fourth qudrant */ + angle = COGL_FIXED_2_PI - angle; + } + else + { + /* third quadrant */ + angle -= COGL_FIXED_PI; + } + } + else + { + if (angle > COGL_FIXED_PI_2) + { + /* second quadrant */ + angle = COGL_FIXED_PI - angle; + } + } + + /* Calculate indices of the two nearest values in our table + * and return weighted average. + * + * We multiple first than divide to preserve precision. Since + * angle is in the first quadrant, angle * SIN_TBL_SIZE (=256) + * can't overflow. + * + * Handle the end of the table gracefully + */ + indx1 = (angle * sin_tbl_size) / COGL_FIXED_PI_2; + + if (indx1 == sin_tbl_size) + { + indx2 = indx1; + indx1 = indx2 - 1; + } + else + { + indx2 = indx1 + 1; + } + + low = sin_tbl[indx1]; + high = sin_tbl[indx2]; + + /* Again multiply the divide; no danger of overflow */ + p1 = (indx1 * COGL_FIXED_PI_2) / sin_tbl_size; + p2 = (indx2 * COGL_FIXED_PI_2) / sin_tbl_size; + d1 = angle - p1; + d2 = p2 - angle; + + angle = ((low * d2 + high * d1) / (p2 - p1)); + + if (sign < 0) + angle = -angle; + + return angle; +} + +CoglFixed +cogl_angle_sin (CoglAngle angle) +{ + int sign = 1; + CoglFixed result; + + /* reduce negative angle to positive + sign */ + if (angle < 0) + { + sign = -sign; + angle = -angle; + } + + /* reduce to <0, 2*pi) */ + angle &= 0x3ff; + + /* reduce to first quadrant and sign */ + if (angle > 512) + { + sign = -sign; + + if (angle > 768) + { + /* fourth qudrant */ + angle = 1024 - angle; + } + else + { + /* third quadrant */ + angle -= 512; + } + } + else + { + if (angle > 256) + { + /* second quadrant */ + angle = 512 - angle; + } + } + + result = sin_tbl[angle]; + + if (sign < 0) + result = -result; + + return result; +} + +CoglFixed +cogl_fixed_tan (CoglFixed angle) +{ + return cogl_angle_tan (COGL_ANGLE_FROM_DEGX (angle)); +} + +CoglFixed +cogl_angle_tan (CoglAngle angle) +{ + int sign = 1; + CoglFixed result; + + /* reduce negative angle to positive + sign */ + if (angle < 0) + { + sign = -sign; + angle = -angle; + } + + /* reduce to <0, pi) */ + angle &= 0x1ff; + + /* reduce to first quadrant and sign */ + if (angle > 256) + { + sign = -sign; + angle = 512 - angle; + } + + result = tan_tbl[angle]; + + if (sign < 0) + result = -result; + + return result; +} + +CoglFixed +cogl_fixed_atan (CoglFixed x) +{ + CoglBool negative = FALSE; + CoglFixed angle; + + if (x < 0) + { + negative = TRUE; + x = -x; + } + + if (x > COGL_FIXED_1) + { + /* if x > 1 then atan(x) = pi/2 - atan(1/x) */ + angle = COGL_FIXED_PI / 2 + - atan_tbl[COGL_FIXED_DIV (COGL_FIXED_1, x) >> 8]; + } + else + angle = atan_tbl[x >> 8]; + + return negative ? -angle : angle; +} + +CoglFixed +cogl_fixed_atan2 (CoglFixed y, CoglFixed x) +{ + CoglFixed angle; + + if (x == 0) + angle = y >= 0 ? COGL_FIXED_PI_2 : -COGL_FIXED_PI_2; + else + { + angle = cogl_fixed_atan (COGL_FIXED_DIV (y, x)); + + if (x < 0) + angle += y >= 0 ? COGL_FIXED_PI : -COGL_FIXED_PI; + } + + return angle; +} + +CoglFixed +cogl_fixed_sqrt (CoglFixed x) +{ + /* The idea for this comes from the Alegro library, exploiting the + * fact that, + * sqrt (x) = sqrt (x/d) * sqrt (d); + * + * For d == 2^(n): + * + * sqrt (x) = sqrt (x/2^(2n)) * 2^n + * + * By locating suitable n for given x such that x >> 2n is in <0,255> + * we can use a LUT of precomputed values. + * + * This algorithm provides both good performance and precision; + * on ARM this function is about 5 times faster than c-lib sqrt, + * whilst producing errors < 1%. + */ + int t = 0; + int sh = 0; + unsigned int mask = 0x40000000; + unsigned fract = x & 0x0000ffff; + unsigned int d1, d2; + CoglFixed v1, v2; + + if (x <= 0) + return 0; + + if (x > COGL_FIXED_255 || x < COGL_FIXED_1) + { + /* + * Find the highest bit set + */ +#if defined (__arm__) && !defined(__ARM_ARCH_4T__) && !defined(__thumb__) + /* This actually requires at least arm v5, but gcc does not seem + * to set the architecture defines correctly, and it is I think + * very unlikely that anyone will want to use clutter on anything + * less than v5. + */ + int bit; + __asm__ ("clz %0, %1\n" + "rsb %0, %0, #31\n" + :"=r"(bit) + :"r" (x)); + + /* make even (2n) */ + bit &= 0xfffffffe; +#else + /* TODO -- add i386 branch using bshr + * + * NB: it's been said that the bshr instruction is poorly implemented + * and that it is possible to write a faster code in C using binary + * search -- at some point we should explore this + */ + int bit = 30; + while (bit >= 0) + { + if (x & mask) + break; + + mask = (mask >> 1 | mask >> 2); + bit -= 2; + } +#endif + + /* now bit indicates the highest bit set; there are two scenarios + * + * 1) bit < 23: Our number is smaller so we shift it left to maximase + * precision (< 16 really, since <16,23> never goes + * through here. + * + * 2) bit > 23: our number is above the table, so we shift right + */ + + sh = ((bit - 22) >> 1); + if (bit >= 8) + t = (x >> (16 - 22 + bit)); + else + t = (x << (22 - 16 - bit)); + } + else + { + t = COGL_FIXED_TO_INT (x); + } + + /* Do a weighted average of the two nearest values */ + v1 = sqrt_tbl[t]; + v2 = sqrt_tbl[t+1]; + + /* + * 12 is fairly arbitrary -- we want integer that is not too big to cost + * us precision + */ + d1 = (unsigned)(fract) >> 12; + d2 = ((unsigned)COGL_FIXED_1 >> 12) - d1; + + x = ((v1*d2) + (v2*d1))/(COGL_FIXED_1 >> 12); + + if (sh > 0) + x = x << sh; + else if (sh < 0) + x = x >> -sh; + + return x; +} + +/** + * cogl_sqrti: + * @x: integer value + * + * Very fast fixed point implementation of square root for integers. + * + * This function is at least 6x faster than clib sqrt() on x86, and (this is + * not a typo!) about 500x faster on ARM without FPU. It's error is < 5% + * for arguments < %COGL_SQRTI_ARG_5_PERCENT and < 10% for arguments < + * %COGL_SQRTI_ARG_10_PERCENT. The maximum argument that can be passed to + * this function is COGL_SQRTI_ARG_MAX. + * + * Return value: integer square root. + * + * + * Since: 0.2 + */ +int +cogl_sqrti (int number) +{ +#if defined __SSE2__ + /* The GCC built-in with SSE2 (sqrtsd) is up to twice as fast as + * the pure integer code below. It is also more accurate. + */ + return __builtin_sqrt (number); +#else + /* This is a fixed point implementation of the Quake III sqrt algorithm, + * described, for example, at + * http://www.codemaestro.com/reviews/review00000105.html + * + * While the original QIII is extremely fast, the use of floating division + * and multiplication makes it perform very on arm processors without FPU. + * + * The key to successfully replacing the floating point operations with + * fixed point is in the choice of the fixed point format. The QIII + * algorithm does not calculate the square root, but its reciprocal ('y' + * below), which is only at the end turned to the inverse value. In order + * for the algorithm to produce satisfactory results, the reciprocal value + * must be represented with sufficient precission; the 16.16 we use + * elsewhere in clutter is not good enough, and 10.22 is used instead. + */ + CoglFixed x; + uint32_t y_1; /* 10.22 fixed point */ + uint32_t f = 0x600000; /* '1.5' as 10.22 fixed */ + + union + { + float f; + uint32_t i; + } flt, flt2; + + flt.f = number; + + x = COGL_FIXED_FROM_INT (number) / 2; + + /* The QIII initial estimate */ + flt.i = 0x5f3759df - ( flt.i >> 1 ); + + /* Now, we convert the float to 10.22 fixed. We exploit the mechanism + * described at http://www.d6.com/users/checker/pdfs/gdmfp.pdf. + * + * We want 22 bit fraction; a single precission float uses 23 bit + * mantisa, so we only need to add 2^(23-22) (no need for the 1.5 + * multiplier as we are only dealing with positive numbers). + * + * Note: we have to use two separate variables here -- for some reason, + * if we try to use just the flt variable, gcc on ARM optimises the whole + * addition out, and it all goes pear shape, since without it, the bits + * in the float will not be correctly aligned. + */ + flt2.f = flt.f + 2.0; + flt2.i &= 0x7FFFFF; + + /* Now we correct the estimate */ + y_1 = (flt2.i >> 11) * (flt2.i >> 11); + y_1 = (y_1 >> 8) * (x >> 8); + + y_1 = f - y_1; + flt2.i = (flt2.i >> 11) * (y_1 >> 11); + + /* If the original argument is less than 342, we do another + * iteration to improve precission (for arguments >= 342, the single + * iteration produces generally better results). + */ + if (x < 171) + { + y_1 = (flt2.i >> 11) * (flt2.i >> 11); + y_1 = (y_1 >> 8) * (x >> 8); + + y_1 = f - y_1; + flt2.i = (flt2.i >> 11) * (y_1 >> 11); + } + + /* Invert, round and convert from 10.22 to an integer + * 0x1e3c68 is a magical rounding constant that produces slightly + * better results than 0x200000. + */ + return (number * flt2.i + 0x1e3c68) >> 22; +#endif +} + +CoglFixed +cogl_fixed_mul (CoglFixed a, + CoglFixed b) +{ +#if defined(__arm__) && !defined(__thumb__) + /* This provides about 12% speedeup on the gcc -O2 optimised + * C version + * + * Based on code found in the following thread: + * http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2006-August/014405.html + */ + int res_low, res_hi; + + __asm__ ("smull %0, %1, %2, %3 \n" + "mov %0, %0, lsr %4 \n" + "add %1, %0, %1, lsl %5 \n" + : "=&r"(res_hi), "=&r"(res_low) \ + : "r"(a), "r"(b), "i"(COGL_FIXED_Q), "i"(32 - COGL_FIXED_Q)); + + return (CoglFixed) res_low; +#else + int64_t r = (int64_t) a * (int64_t) b; + + return (CoglFixed) (r >> COGL_FIXED_Q); +#endif +} + +CoglFixed +cogl_fixed_div (CoglFixed a, + CoglFixed b) +{ + return (CoglFixed) ((((int64_t) a) << COGL_FIXED_Q) / b); +} + +CoglFixed +cogl_fixed_mul_div (CoglFixed a, + CoglFixed b, + CoglFixed c) +{ + CoglFixed ab = cogl_fixed_mul (a, b); + CoglFixed quo = cogl_fixed_div (ab, c); + + return quo; +} + +/* + * The log2x() and pow2x() functions + * + * The implementation of the log2x() and pow2x() exploits the + * well-documented fact that the exponent part of IEEE floating + * number provides a good estimate of log2 of that number, while + * the mantissa serves as a good error-correction. + * + * The implementation here uses a quadratic error correction as + * described by Ian Stephenson at: + * http://www.dctsystems.co.uk/Software/power.html. + */ + +CoglFixed +cogl_fixed_log2 (unsigned int x) +{ + /* Note: we could easily have a version for CoglFixed x, but the int + * precision is enough for the current purposes. + */ + union + { + float f; + CoglFixed i; + } flt; + + CoglFixed magic = 0x58bb; + CoglFixed y; + + /* + * Convert x to float, then extract exponent. + * + * We want the result to be 16.16 fixed, so we shift (23-16) bits only + */ + flt.f = x; + flt.i >>= 7; + flt.i -= COGL_FIXED_FROM_INT (127); + + y = COGL_FIXED_FRACTION (flt.i); + + y = COGL_FIXED_MUL ((y - COGL_FIXED_MUL (y, y)), magic); + + return flt.i + y; +} + +unsigned int +cogl_fixed_pow2 (CoglFixed x) +{ + /* Note: we could easily have a version that produces CoglFixed result, + * but the range would be limited to x < 15, and the int precision + * is enough for the current purposes. + */ + + union + { + float f; + uint32_t i; + } flt; + + CoglFixed magic = 0x56f7; + CoglFixed y; + + flt.i = x; + + /* + * Reverse of the log2x function -- convert the fixed value to a suitable + * floating point exponent, and mantisa adjusted with quadratic error + * correction y. + */ + y = COGL_FIXED_FRACTION (x); + y = COGL_FIXED_MUL ((y - COGL_FIXED_MUL (y, y)), magic); + + /* Shift the exponent into it's position in the floating point + * representation; as our number is not int but 16.16 fixed, shift only + * by (23 - 16) + */ + flt.i += (COGL_FIXED_FROM_INT (127) - y); + flt.i <<= 7; + + return COGL_FLOAT_TO_UINT (flt.f); +} + +unsigned int +cogl_fixed_pow (unsigned int x, + CoglFixed y) +{ + return cogl_fixed_pow2 (COGL_FIXED_MUL (y, cogl_fixed_log2 (x))); +} + +CoglFixed +cogl_angle_cos (CoglAngle angle) +{ + CoglAngle a = angle + 256; + + return cogl_angle_sin (a); +} + +CoglFixed +cogl_fixed_cos (CoglFixed angle) +{ + CoglFixed a = angle + COGL_FIXED_PI_2; + + return cogl_fixed_sin (a); +} + +/* GType */ + +static GTypeInfo _info = { + 0, + NULL, + NULL, + NULL, + NULL, + NULL, + 0, + 0, + NULL, + NULL, +}; + +static GTypeFundamentalInfo _finfo = { 0, }; + +static void +cogl_value_init_fixed (GValue *value) +{ + value->data[0].v_int = 0; +} + +static void +cogl_value_copy_fixed (const GValue *src, + GValue *dest) +{ + dest->data[0].v_int = src->data[0].v_int; +} + +static char * +cogl_value_collect_fixed (GValue *value, + unsigned int n_collect_values, + GTypeCValue *collect_values, + unsigned int collect_flags) +{ + value->data[0].v_int = collect_values[0].v_int; + + return NULL; +} + +static char * +cogl_value_lcopy_fixed (const GValue *value, + unsigned int n_collect_values, + GTypeCValue *collect_values, + unsigned int collect_flags) +{ + int32_t *fixed_p = collect_values[0].v_pointer; + + if (!fixed_p) + return g_strdup_printf ("value location for '%s' passed as NULL", + G_VALUE_TYPE_NAME (value)); + + *fixed_p = value->data[0].v_int; + + return NULL; +} + +static void +cogl_value_transform_fixed_int (const GValue *src, + GValue *dest) +{ + dest->data[0].v_int = COGL_FIXED_TO_INT (src->data[0].v_int); +} + +static void +cogl_value_transform_fixed_double (const GValue *src, + GValue *dest) +{ + dest->data[0].v_double = COGL_FIXED_TO_DOUBLE (src->data[0].v_int); +} + +static void +cogl_value_transform_fixed_float (const GValue *src, + GValue *dest) +{ + dest->data[0].v_float = COGL_FIXED_TO_FLOAT (src->data[0].v_int); +} + +static void +cogl_value_transform_int_fixed (const GValue *src, + GValue *dest) +{ + dest->data[0].v_int = COGL_FIXED_FROM_INT (src->data[0].v_int); +} + +static void +cogl_value_transform_double_fixed (const GValue *src, + GValue *dest) +{ + dest->data[0].v_int = COGL_FIXED_FROM_DOUBLE (src->data[0].v_double); +} + +static void +cogl_value_transform_float_fixed (const GValue *src, + GValue *dest) +{ + dest->data[0].v_int = COGL_FIXED_FROM_FLOAT (src->data[0].v_float); +} + + +static const GTypeValueTable _cogl_fixed_value_table = { + cogl_value_init_fixed, + NULL, + cogl_value_copy_fixed, + NULL, + "i", + cogl_value_collect_fixed, + "p", + cogl_value_lcopy_fixed +}; + +GType +cogl_fixed_get_type (void) +{ + static GType _cogl_fixed_type = 0; + + if (G_UNLIKELY (_cogl_fixed_type == 0)) + { + _info.value_table = & _cogl_fixed_value_table; + _cogl_fixed_type = + g_type_register_fundamental (g_type_fundamental_next (), + g_intern_static_string ("CoglFixed"), + &_info, &_finfo, 0); + + g_value_register_transform_func (_cogl_fixed_type, G_TYPE_INT, + cogl_value_transform_fixed_int); + g_value_register_transform_func (G_TYPE_INT, _cogl_fixed_type, + cogl_value_transform_int_fixed); + + g_value_register_transform_func (_cogl_fixed_type, G_TYPE_FLOAT, + cogl_value_transform_fixed_float); + g_value_register_transform_func (G_TYPE_FLOAT, _cogl_fixed_type, + cogl_value_transform_float_fixed); + + g_value_register_transform_func (_cogl_fixed_type, G_TYPE_DOUBLE, + cogl_value_transform_fixed_double); + g_value_register_transform_func (G_TYPE_DOUBLE, _cogl_fixed_type, + cogl_value_transform_double_fixed); + } + + return _cogl_fixed_type; +} diff --git a/cogl/deprecated/cogl-fixed.h b/cogl/deprecated/cogl-fixed.h new file mode 100644 index 0000000..73d0ed5 --- /dev/null +++ b/cogl/deprecated/cogl-fixed.h @@ -0,0 +1,811 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_FIXED_H__ +#define __COGL_FIXED_H__ + +#include + +/** + * SECTION:cogl-fixed + * @short_description: Fixed Point API + * + * COGL has a fixed point API targeted at platforms without a floating + * point unit, such as embedded devices. On such platforms this API should + * be preferred to the floating point one as it does not trigger the slow + * path of software emulation, relying on integer math for fixed-to-floating + * and floating-to-fixed notations conversion. + * + * It is not recommened for use on platforms with a floating point unit + * (e.g. desktop systems), nor for use in language bindings. + * + * Basic rules of Fixed Point arithmethic: + * + * + * Two fixed point numbers can be directly added, subtracted and + * have their modulus taken. + * + * + * To add other numerical type to a fixed point number it has to + * be first converted to fixed point. + * + * + * A fixed point number can be directly multiplied or divided by + * an integer. + * + * + * Two fixed point numbers can only be multiplied and divided by + * the provided %COGL_FIXED_MUL and %COGL_FIXED_DIV macros. + * + * + * + * The fixed point API is available since COGL 1.0. + */ + +COGL_BEGIN_DECLS + +/** + * COGL_FIXED_BITS: + * + * Evaluates to the number of bits used by the #CoglFixed type. + * + * Since: 1.0 + */ +#define COGL_FIXED_BITS (32) + +/** + * COGL_FIXED_Q: + * + * Evaluates to the number of bits used for the non-integer part + * of the #CoglFixed type. + * + * Since: 1.0 + */ +#define COGL_FIXED_Q (COGL_FIXED_BITS - 16) + +/** + * COGL_FIXED_1: + * + * The number 1 expressed as a #CoglFixed number. + * + * Since: 1.0 + */ +#define COGL_FIXED_1 (1 << COGL_FIXED_Q) + +/** + * COGL_FIXED_0_5: + * + * The number 0.5 expressed as a #CoglFixed number. + * + * Since: 1.0 + */ +#define COGL_FIXED_0_5 (32768) + +/** + * COGL_FIXED_EPSILON: + * + * A very small number expressed as a #CoglFixed number. + * + * Since: 1.0 + */ +#define COGL_FIXED_EPSILON (1) + +/** + * COGL_FIXED_MAX: + * + * The biggest number representable using #CoglFixed + * + * Since: 1.0 + */ +#define COGL_FIXED_MAX (0x7fffffff) + +/** + * COGL_FIXED_MIN: + * + * The smallest number representable using #CoglFixed + * + * Since: 1.0 + */ +#define COGL_FIXED_MIN (0x80000000) + +/** + * COGL_FIXED_PI: + * + * The number pi, expressed as a #CoglFixed number. + * + * Since: 1.0 + */ +#define COGL_FIXED_PI (0x0003243f) + +/** + * COGL_FIXED_2_PI: + * + * Two times pi, expressed as a #CoglFixed number. + * + * Since: 1.0 + */ +#define COGL_FIXED_2_PI (0x0006487f) + +/** + * COGL_FIXED_PI_2: + * + * Half pi, expressed as a #CoglFixed number. + * + * Since: 1.0 + */ +#define COGL_FIXED_PI_2 (0x00019220) + +/** + * COGL_FIXED_PI_4: + * + * pi / 4, expressed as #CoglFixed number. + * + * Since: 1.0 + */ +#define COGL_FIXED_PI_4 (0x0000c910) + +/** + * COGL_FIXED_360: + * + * Evaluates to the number 360 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_360 (COGL_FIXED_FROM_INT (360)) + +/** + * COGL_FIXED_270: + * + * Evaluates to the number 270 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_270 (COGL_FIXED_FROM_INT (270)) + +/** + * COGL_FIXED_255: + * + * Evaluates to the number 255 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_255 (COGL_FIXED_FROM_INT (255)) + +/** + * COGL_FIXED_240: + * + * Evaluates to the number 240 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_240 (COGL_FIXED_FROM_INT (240)) + +/** + * COGL_FIXED_180: + * + * Evaluates to the number 180 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_180 (COGL_FIXED_FROM_INT (180)) + +/** + * COGL_FIXED_120: + * + * Evaluates to the number 120 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_120 (COGL_FIXED_FROM_INT (120)) + +/** + * COGL_FIXED_90: + * + * Evaluates to the number 90 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_90 (COGL_FIXED_FROM_INT (90)) + +/** + * COGL_FIXED_60: + * + * Evaluates to the number 60 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_60 (COGL_FIXED_FROM_INT (60)) + +/** + * COGL_FIXED_45: + * + * Evaluates to the number 45 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_45 (COGL_FIXED_FROM_INT (45)) + +/** + * COGL_FIXED_30: + * + * Evaluates to the number 30 in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_30 (COGL_FIXED_FROM_INT (30)) + +/** + * COGL_RADIANS_TO_DEGREES: + * + * Evaluates to 180 / pi in fixed point notation. + * + * Since: 1.0 + */ +#define COGL_RADIANS_TO_DEGREES (0x394bb8) + +/* + * conversion macros + */ + +/** + * COGL_FIXED_FROM_FLOAT: + * @x: a floating point number + * + * Converts @x from a floating point to a fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_FROM_FLOAT(x) ((float) cogl_double_to_fixed (x)) + +/** + * COGL_FIXED_TO_FLOAT: + * @x: a #CoglFixed number + * + * Converts @x from a fixed point to a floating point notation, in + * single precision. + * + * Since: 1.0 + */ +#define COGL_FIXED_TO_FLOAT(x) ((float) ((int)(x) / 65536.0)) + +/** + * COGL_FIXED_FROM_DOUBLE: + * @x: a floating point number + * + * Converts @x from a double precision, floating point to a fixed + * point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_FROM_DOUBLE(x) (cogl_double_to_fixed (x)) + +/** + * COGL_FIXED_TO_DOUBLE: + * @x: a #CoglFixed number + * + * Converts @x from a fixed point to a floating point notation, in + * double precision. + * + * Since: 1.0 + */ +#define COGL_FIXED_TO_DOUBLE(x) ((double) ((int)(x) / 65536.0)) + +/** + * COGL_FIXED_FROM_INT: + * @x: an integer number + * + * Converts @x from an integer to a fixed point notation. + * + * Since: 1.0 + */ +#define COGL_FIXED_FROM_INT(x) ((x) << COGL_FIXED_Q) + +/** + * COGL_FIXED_TO_INT: + * @x: a #CoglFixed number + * + * Converts @x from a fixed point notation to an integer, dropping + * the fractional part without rounding. + * + * Since: 1.0 + */ +#define COGL_FIXED_TO_INT(x) ((x) >> COGL_FIXED_Q) + +/** + * COGL_FLOAT_TO_INT: + * @x: a floatint point number + * + * Converts @x from a floating point notation to a signed integer. + * + * Since: 1.0 + */ +#define COGL_FLOAT_TO_INT(x) (cogl_double_to_int ((x))) + +/** + * COGL_FLOAT_TO_UINT: + * @x: a floatint point number + * + * Converts @x from a floating point notation to an unsigned integer. + * + * Since: 1.0 + */ +#define COGL_FLOAT_TO_UINT(x) (cogl_double_to_uint ((x))) + +/* + * fixed point math functions + */ + +/** + * COGL_FIXED_FRACTION: + * @x: a #CoglFixed number + * + * Retrieves the fractionary part of @x. + * + * Since: 1.0 + */ +#define COGL_FIXED_FRACTION(x) ((x) & ((1 << COGL_FIXED_Q) - 1)) + +/** + * COGL_FIXED_FLOOR: + * @x: a #CoglFixed number + * + * Rounds down a fixed point number to the previous integer. + * + * Since: 1.0 + */ +#define COGL_FIXED_FLOOR(x) (((x) >= 0) ? ((x) >> COGL_FIXED_Q) \ + : ~((~(x)) >> COGL_FIXED_Q)) + +/** + * COGL_FIXED_CEIL: + * @x: a #CoglFixed number + * + * Rounds up a fixed point number to the next integer. + * + * Since: 1.0 + */ +#define COGL_FIXED_CEIL(x) (COGL_FIXED_FLOOR ((x) + 0xffff)) + +/** + * COGL_FIXED_MUL: + * @a: a #CoglFixed number + * @b: a #CoglFixed number + * + * Computes (a * b). + * + * Since: 1.0 + */ +#define COGL_FIXED_MUL(a,b) (cogl_fixed_mul ((a), (b))) + +/** + * COGL_FIXED_DIV: + * @a: a #CoglFixed number + * @b: a #CoglFixed number + * + * Computes (a / b). + * + * Since: 1.0 + */ +#define COGL_FIXED_DIV(a,b) (cogl_fixed_div ((a), (b))) + +/** + * COGL_FIXED_MUL_DIV: + * @a: a #CoglFixed number + * @b: a #CoglFixed number + * @c: a #CoglFixed number + * + * Computes ((a * b) / c). It is logically equivalent to: + * + * |[ + * res = COGL_FIXED_DIV (COGL_FIXED_MUL (a, b), c); + * ]| + * + * But it is shorter to type. + * + * Since: 1.0 + */ +#define COGL_FIXED_MUL_DIV(a,b,c) (cogl_fixed_mul_div ((a), (b), (c))) + +/** + * COGL_FIXED_FAST_MUL: + * @a: a #CoglFixed number + * @b: a #CoglFixed number + * + * Fast version of %COGL_FIXED_MUL, implemented as a macro. + * + * This macro might lose precision. If the precision of the result + * is important use %COGL_FIXED_MUL instead. + * + * Since: 1.0 + */ +#define COGL_FIXED_FAST_MUL(a,b) ((a) >> 8) * ((b) >> 8) + +/** + * COGL_FIXED_FAST_DIV: + * @a: a #CoglFixed number + * @b: a #CoglFixed number + * + * Fast version of %COGL_FIXED_DIV, implemented as a macro. + * + * This macro might lose precision. If the precision of the result + * is important use %COGL_FIXED_DIV instead. + * + * Since: 1.0 + */ +#define COGL_FIXED_FAST_DIV(a,b) ((((a) << 8) / (b)) << 8) + +/** + * cogl_fixed_sin: + * @angle: a #CoglFixed number + * + * Computes the sine of @angle. + * + * Return value: the sine of the passed angle, in fixed point notation + * + * Since: 1.0 + */ +CoglFixed +cogl_fixed_sin (CoglFixed angle); + +/** + * cogl_fixed_tan: + * @angle: a #CoglFixed number + * + * Computes the tangent of @angle. + * + * Return value: the tangent of the passed angle, in fixed point notation + * + * Since: 1.0 + */ +CoglFixed +cogl_fixed_tan (CoglFixed angle); + +/** + * cogl_fixed_cos: + * @angle: a #CoglFixed number + * + * Computes the cosine of @angle. + * + * Return value: the cosine of the passed angle, in fixed point notation + * + * Since: 1.0 + */ +CoglFixed cogl_fixed_cos (CoglFixed angle); + +/** + * cogl_fixed_atan: + * @a: a #CoglFixed number + * + * Computes the arc tangent of @a. + * + * Return value: the arc tangent of the passed value, in fixed point notation + * + * Since: 1.0 + */ +CoglFixed +cogl_fixed_atan (CoglFixed a); + +/** + * cogl_fixed_atan2: + * @a: the numerator as a #CoglFixed number + * @b: the denominator as a #CoglFixed number + * + * Computes the arc tangent of @a / @b but uses the sign of both + * arguments to return the angle in right quadrant. + * + * Return value: the arc tangent of the passed fraction, in fixed point + * notation + * + * Since: 1.0 + */ +CoglFixed +cogl_fixed_atan2 (CoglFixed a, + CoglFixed b); + +/*< public >*/ + +/* Fixed point math routines */ +G_INLINE_FUNC CoglFixed +cogl_fixed_mul (CoglFixed a, + CoglFixed b); + +G_INLINE_FUNC CoglFixed +cogl_fixed_div (CoglFixed a, + CoglFixed b); + +G_INLINE_FUNC CoglFixed +cogl_fixed_mul_div (CoglFixed a, + CoglFixed b, + CoglFixed c); + +/** + * COGL_SQRTI_ARG_MAX: + * + * Maximum argument that can be passed to cogl_sqrti() function. + * + * Since: 1.0 + */ +#ifndef __SSE2__ +#define COGL_SQRTI_ARG_MAX 0x3fffff +#else +#define COGL_SQRTI_ARG_MAX INT_MAX +#endif + +/** + * COGL_SQRTI_ARG_5_PERCENT: + * + * Maximum argument that can be passed to cogl_sqrti() for which the + * resulting error is < 5% + * + * Since: 1.0 + */ +#ifndef __SSE2__ +#define COGL_SQRTI_ARG_5_PERCENT 210 +#else +#define COGL_SQRTI_ARG_5_PERCENT INT_MAX +#endif + +/** + * COGL_SQRTI_ARG_10_PERCENT: + * + * Maximum argument that can be passed to cogl_sqrti() for which the + * resulting error is < 10% + * + * Since: 1.0 + */ +#ifndef __SSE2__ +#define COGL_SQRTI_ARG_10_PERCENT 5590 +#else +#define COGL_SQRTI_ARG_10_PERCENT INT_MAX +#endif + +/** + * cogl_fixed_sqrt: + * @x: a #CoglFixed number + * + * Computes the square root of @x. + * + * Return value: the square root of the passed value, in floating point + * notation + * + * Since: 1.0 + */ +CoglFixed +cogl_fixed_sqrt (CoglFixed x); + +/** + * cogl_fixed_log2: + * @x: value to calculate base 2 logarithm from + * + * Calculates base 2 logarithm. + * + * This function is some 2.5 times faster on x86, and over 12 times faster on + * fpu-less arm, than using libc log(). + * + * Return value: base 2 logarithm. + * + * Since: 1.0 + */ +CoglFixed +cogl_fixed_log2 (unsigned int x); + +/** + * cogl_fixed_pow2: + * @x: a #CoglFixed number + * + * Calculates 2 to the @x power. + * + * This function is around 11 times faster on x86, and around 22 times faster + * on fpu-less arm than libc pow(2, x). + * + * Return value: the power of 2 to the passed value + * + * Since: 1.0 + */ +unsigned int +cogl_fixed_pow2 (CoglFixed x); + +/** + * cogl_fixed_pow: + * @x: base + * @y: #CoglFixed exponent + * + * Calculates @x to the @y power. + * + * Return value: the power of @x to the @y + * + * Since: 1.0 + */ +unsigned int +cogl_fixed_pow (unsigned int x, + CoglFixed y); + +/** + * cogl_sqrti: + * @x: integer value + * + * Very fast fixed point implementation of square root for integers. + * + * This function is at least 6x faster than clib sqrt() on x86, and (this is + * not a typo!) about 500x faster on ARM without FPU. It's error is less than + * 5% for arguments smaller than %COGL_SQRTI_ARG_5_PERCENT and less than 10% + * for narguments smaller than %COGL_SQRTI_ARG_10_PERCENT. The maximum + * argument that can be passed to this function is %COGL_SQRTI_ARG_MAX. + * + * Return value: integer square root. + * + * Since: 1.0 + */ +int +cogl_sqrti (int x); + +/** + * COGL_ANGLE_FROM_DEG: + * @x: an angle in degrees in floating point notation + * + * Converts an angle in degrees into a #CoglAngle. + * + * Since: 1.0 + */ +#define COGL_ANGLE_FROM_DEG(x) (COGL_FLOAT_TO_INT (((float)(x) * 1024.0f) / 360.0f)) + +/** + * COGL_ANGLE_TO_DEG: + * @x: a #CoglAngle + * + * Converts a #CoglAngle into an angle in degrees, using floatint point + * notation. + * + * Since: 1.0 + */ +#define COGL_ANGLE_TO_DEG(x) (((float)(x) * 360.0) / 1024.0) + +/** + * COGL_ANGLE_FROM_DEGX: + * @x: an angle in degrees in fixed point notation + * + * Converts an angle in degrees into a #CoglAngle. + * + * Since: 1.0 + */ +#define COGL_ANGLE_FROM_DEGX(x) (COGL_FIXED_TO_INT ((((x) / 360) * 1024) + COGL_FIXED_0_5)) + +/** + * COGL_ANGLE_TO_DEGX: + * @x: a #CoglAngle + * + * Converts a #CoglAngle into an angle in degrees, using fixed point notation + * + * Since: 1.0 + */ +#define COGL_ANGLE_TO_DEGX(x) (COGL_FIXED_FROM_INT ((x) * 45) / 128) + +/** + * cogl_angle_sin: + * @angle: an angle expressed using #CoglAngle + * + * Computes the sine of @angle + * + * Return value: the sine of the passed angle + * + * Since: 1.0 + */ +CoglFixed +cogl_angle_sin (CoglAngle angle); + +/** + * cogl_angle_tan: + * @angle: an angle expressed using #CoglAngle + * + * Computes the tangent of @angle + * + * Return value: the tangent of the passed angle + * + * Since: 1.0 + */ +CoglFixed +cogl_angle_tan (CoglAngle angle); + +/** + * cogl_angle_cos: + * @angle: an angle expressed using #CoglAngle + * + * Computes the cosine of @angle + * + * Return value: the cosine of the passed angle + * + * Since: 1.0 + */ +CoglFixed +cogl_angle_cos (CoglAngle angle); + +/*< private >*/ + +#if defined (G_CAN_INLINE) +G_INLINE_FUNC CoglFixed +cogl_fixed_mul (CoglFixed a, + CoglFixed b) +{ +# ifdef __arm__ + int res_low, res_hi; + + __asm__ ("smull %0, %1, %2, %3 \n" + "mov %0, %0, lsr %4 \n" + "add %1, %0, %1, lsl %5 \n" + : "=r"(res_hi), "=r"(res_low)\ + : "r"(a), "r"(b), "i"(COGL_FIXED_Q), "i"(32 - COGL_FIXED_Q)); + + return (CoglFixed) res_low; +# else + long long r = (long long) a * (long long) b; + + return (unsigned int)(r >> COGL_FIXED_Q); +# endif +} +#endif + +#if defined (G_CAN_INLINE) +G_INLINE_FUNC CoglFixed +cogl_fixed_div (CoglFixed a, + CoglFixed b) +{ + return (CoglFixed) ((((int64_t) a) << COGL_FIXED_Q) / b); +} +#endif + +#if defined(G_CAN_INLINE) +G_INLINE_FUNC CoglFixed +cogl_fixed_mul_div (CoglFixed a, + CoglFixed b, + CoglFixed c) +{ + CoglFixed ab = cogl_fixed_mul (a, b); + CoglFixed quo = cogl_fixed_div (ab, c); + + return quo; +} +#endif + +CoglFixed +cogl_double_to_fixed (double value); + +int +cogl_double_to_int (double value); + +unsigned int +cogl_double_to_uint (double value); + +COGL_END_DECLS + +#endif /* __COGL_FIXED_H__ */ diff --git a/cogl/deprecated/cogl-framebuffer-deprecated.c b/cogl/deprecated/cogl-framebuffer-deprecated.c new file mode 100644 index 0000000..19f3ee4 --- /dev/null +++ b/cogl/deprecated/cogl-framebuffer-deprecated.c @@ -0,0 +1,295 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2014 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#include + +#include "cogl-types.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-framebuffer-deprecated.h" + +typedef struct _CoglFramebufferStackEntry +{ + CoglFramebuffer *draw_buffer; + CoglFramebuffer *read_buffer; +} CoglFramebufferStackEntry; + + +static CoglFramebufferStackEntry * +create_stack_entry (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer) +{ + CoglFramebufferStackEntry *entry = g_slice_new (CoglFramebufferStackEntry); + + entry->draw_buffer = draw_buffer; + entry->read_buffer = read_buffer; + + return entry; +} + +GSList * +_cogl_create_framebuffer_stack (void) +{ + CoglFramebufferStackEntry *entry; + GSList *stack = NULL; + + entry = create_stack_entry (NULL, NULL); + + return g_slist_prepend (stack, entry); +} + +void +_cogl_free_framebuffer_stack (GSList *stack) +{ + GSList *l; + + for (l = stack; l != NULL; l = l->next) + { + CoglFramebufferStackEntry *entry = l->data; + + if (entry->draw_buffer) + cogl_object_unref (entry->draw_buffer); + + if (entry->read_buffer) + cogl_object_unref (entry->draw_buffer); + + g_slice_free (CoglFramebufferStackEntry, entry); + } + g_slist_free (stack); +} + +static void +notify_buffers_changed (CoglFramebuffer *old_draw_buffer, + CoglFramebuffer *new_draw_buffer, + CoglFramebuffer *old_read_buffer, + CoglFramebuffer *new_read_buffer) +{ + /* XXX: To support the deprecated cogl_set_draw_buffer API we keep + * track of the last onscreen framebuffer that was set so that it + * can be restored if the COGL_WINDOW_BUFFER enum is used. A + * reference isn't taken to the framebuffer because otherwise we + * would have a circular reference between the context and the + * framebuffer. Instead the pointer is set to NULL in + * _cogl_onscreen_free as a kind of a cheap weak reference */ + if (new_draw_buffer && + new_draw_buffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN) + new_draw_buffer->context->window_buffer = new_draw_buffer; +} + +/* Set the current framebuffer without checking if it's already the + * current framebuffer. This is used by cogl_pop_framebuffer while + * the top of the stack is currently not up to date. */ +static void +_cogl_set_framebuffers_real (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer) +{ + CoglFramebufferStackEntry *entry; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (ctx != NULL); + _COGL_RETURN_IF_FAIL (draw_buffer && read_buffer ? + draw_buffer->context == read_buffer->context : TRUE); + + entry = ctx->framebuffer_stack->data; + + notify_buffers_changed (entry->draw_buffer, + draw_buffer, + entry->read_buffer, + read_buffer); + + if (draw_buffer) + cogl_object_ref (draw_buffer); + if (entry->draw_buffer) + cogl_object_unref (entry->draw_buffer); + + if (read_buffer) + cogl_object_ref (read_buffer); + if (entry->read_buffer) + cogl_object_unref (entry->read_buffer); + + entry->draw_buffer = draw_buffer; + entry->read_buffer = read_buffer; +} + +static void +_cogl_set_framebuffers (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer) +{ + CoglFramebuffer *current_draw_buffer; + CoglFramebuffer *current_read_buffer; + + _COGL_RETURN_IF_FAIL (cogl_is_framebuffer (draw_buffer)); + _COGL_RETURN_IF_FAIL (cogl_is_framebuffer (read_buffer)); + + current_draw_buffer = cogl_get_draw_framebuffer (); + current_read_buffer = _cogl_get_read_framebuffer (); + + if (current_draw_buffer != draw_buffer || + current_read_buffer != read_buffer) + _cogl_set_framebuffers_real (draw_buffer, read_buffer); +} + +void +cogl_set_framebuffer (CoglFramebuffer *framebuffer) +{ + _cogl_set_framebuffers (framebuffer, framebuffer); +} + +/* XXX: deprecated API */ +void +cogl_set_draw_buffer (CoglBufferTarget target, CoglHandle handle) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (target == COGL_WINDOW_BUFFER) + handle = ctx->window_buffer; + + /* This is deprecated public API. The public API doesn't currently + really expose the concept of separate draw and read buffers so + for the time being this actually just sets both buffers */ + cogl_set_framebuffer (handle); +} + +CoglFramebuffer * +cogl_get_draw_framebuffer (void) +{ + CoglFramebufferStackEntry *entry; + + _COGL_GET_CONTEXT (ctx, NULL); + + g_assert (ctx->framebuffer_stack); + + entry = ctx->framebuffer_stack->data; + + return entry->draw_buffer; +} + +CoglFramebuffer * +_cogl_get_read_framebuffer (void) +{ + CoglFramebufferStackEntry *entry; + + _COGL_GET_CONTEXT (ctx, NULL); + + g_assert (ctx->framebuffer_stack); + + entry = ctx->framebuffer_stack->data; + + return entry->read_buffer; +} + +void +_cogl_push_framebuffers (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer) +{ + CoglContext *ctx; + CoglFramebuffer *old_draw_buffer, *old_read_buffer; + + _COGL_RETURN_IF_FAIL (cogl_is_framebuffer (draw_buffer)); + _COGL_RETURN_IF_FAIL (cogl_is_framebuffer (read_buffer)); + + ctx = draw_buffer->context; + _COGL_RETURN_IF_FAIL (ctx != NULL); + _COGL_RETURN_IF_FAIL (draw_buffer->context == read_buffer->context); + + _COGL_RETURN_IF_FAIL (ctx->framebuffer_stack != NULL); + + /* Copy the top of the stack so that when we call cogl_set_framebuffer + it will still know what the old framebuffer was */ + old_draw_buffer = cogl_get_draw_framebuffer (); + if (old_draw_buffer) + cogl_object_ref (old_draw_buffer); + old_read_buffer = _cogl_get_read_framebuffer (); + if (old_read_buffer) + cogl_object_ref (old_read_buffer); + ctx->framebuffer_stack = + g_slist_prepend (ctx->framebuffer_stack, + create_stack_entry (old_draw_buffer, + old_read_buffer)); + + _cogl_set_framebuffers (draw_buffer, read_buffer); +} + +void +cogl_push_framebuffer (CoglFramebuffer *buffer) +{ + _cogl_push_framebuffers (buffer, buffer); +} + +/* XXX: deprecated API */ +void +cogl_push_draw_buffer (void) +{ + cogl_push_framebuffer (cogl_get_draw_framebuffer ()); +} + +void +cogl_pop_framebuffer (void) +{ + CoglFramebufferStackEntry *to_pop; + CoglFramebufferStackEntry *to_restore; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + g_assert (ctx->framebuffer_stack != NULL); + g_assert (ctx->framebuffer_stack->next != NULL); + + to_pop = ctx->framebuffer_stack->data; + to_restore = ctx->framebuffer_stack->next->data; + + if (to_pop->draw_buffer != to_restore->draw_buffer || + to_pop->read_buffer != to_restore->read_buffer) + notify_buffers_changed (to_pop->draw_buffer, + to_restore->draw_buffer, + to_pop->read_buffer, + to_restore->read_buffer); + + cogl_object_unref (to_pop->draw_buffer); + cogl_object_unref (to_pop->read_buffer); + g_slice_free (CoglFramebufferStackEntry, to_pop); + + ctx->framebuffer_stack = + g_slist_delete_link (ctx->framebuffer_stack, + ctx->framebuffer_stack); +} + +/* XXX: deprecated API */ +void +cogl_pop_draw_buffer (void) +{ + cogl_pop_framebuffer (); +} + +CoglPixelFormat +cogl_framebuffer_get_color_format (CoglFramebuffer *framebuffer) +{ + return framebuffer->internal_format; +} diff --git a/cogl/deprecated/cogl-framebuffer-deprecated.h b/cogl/deprecated/cogl-framebuffer-deprecated.h new file mode 100644 index 0000000..68ed9d3 --- /dev/null +++ b/cogl/deprecated/cogl-framebuffer-deprecated.h @@ -0,0 +1,264 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2014 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_FRAMEBUFFER_DEPRECATED_H__ +#define __COGL_FRAMEBUFFER_DEPRECATED_H__ + +#include + +COGL_BEGIN_DECLS + +/** + * cogl_set_framebuffer: + * @buffer: A #CoglFramebuffer object, either onscreen or offscreen. + * + * This redirects all subsequent drawing to the specified framebuffer. This can + * either be an offscreen buffer created with cogl_offscreen_new_to_texture () + * or in the future it may be an onscreen framebuffers too. + * + * Since: 1.2 + * Deprecated: 1.16: The latest drawing apis take explicit + * #CoglFramebuffer arguments so this stack of + * framebuffers shouldn't be used anymore. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_set_framebuffer (CoglFramebuffer *buffer); + +/** + * cogl_push_framebuffer: + * @buffer: A #CoglFramebuffer object, either onscreen or offscreen. + * + * Redirects all subsequent drawing to the specified framebuffer. This can + * either be an offscreen buffer created with cogl_offscreen_new_to_texture () + * or in the future it may be an onscreen framebuffer too. + * + * You should understand that a framebuffer owns the following state: + * + * The projection matrix + * The modelview matrix stack + * The viewport + * The clip stack + * + * So these items will automatically be saved and restored when you + * push and pop between different framebuffers. + * + * Also remember a newly allocated framebuffer will have an identity matrix for + * the projection and modelview matrices which gives you a coordinate space + * like OpenGL with (-1, -1) corresponding to the top left of the viewport, + * (1, 1) corresponding to the bottom right and +z coming out towards the + * viewer. + * + * If you want to set up a coordinate space like Clutter does with (0, 0) + * corresponding to the top left and (framebuffer_width, framebuffer_height) + * corresponding to the bottom right you can do so like this: + * + * |[ + * static void + * setup_viewport (unsigned int width, + * unsigned int height, + * float fovy, + * float aspect, + * float z_near, + * float z_far) + * { + * float z_camera; + * CoglMatrix projection_matrix; + * CoglMatrix mv_matrix; + * + * cogl_set_viewport (0, 0, width, height); + * cogl_perspective (fovy, aspect, z_near, z_far); + * + * cogl_get_projection_matrix (&projection_matrix); + * z_camera = 0.5 * projection_matrix.xx; + * + * cogl_matrix_init_identity (&mv_matrix); + * cogl_matrix_translate (&mv_matrix, -0.5f, -0.5f, -z_camera); + * cogl_matrix_scale (&mv_matrix, 1.0f / width, -1.0f / height, 1.0f / width); + * cogl_matrix_translate (&mv_matrix, 0.0f, -1.0 * height, 0.0f); + * cogl_set_modelview_matrix (&mv_matrix); + * } + * + * static void + * my_init_framebuffer (ClutterStage *stage, + * CoglFramebuffer *framebuffer, + * unsigned int framebuffer_width, + * unsigned int framebuffer_height) + * { + * ClutterPerspective perspective; + * + * clutter_stage_get_perspective (stage, &perspective); + * + * cogl_push_framebuffer (framebuffer); + * setup_viewport (framebuffer_width, + * framebuffer_height, + * perspective.fovy, + * perspective.aspect, + * perspective.z_near, + * perspective.z_far); + * } + * ]| + * + * The previous framebuffer can be restored by calling cogl_pop_framebuffer() + * + * Since: 1.2 + * Deprecated: 1.16: The latest drawing apis take explicit + * #CoglFramebuffer arguments so this stack of + * framebuffers shouldn't be used anymore. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_push_framebuffer (CoglFramebuffer *buffer); + +/** + * cogl_pop_framebuffer: + * + * Restores the framebuffer that was previously at the top of the stack. + * All subsequent drawing will be redirected to this framebuffer. + * + * Since: 1.2 + * Deprecated: 1.16: The latest drawing apis take explicit + * #CoglFramebuffer arguments so this stack of + * framebuffers shouldn't be used anymore. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_pop_framebuffer (void); + +/** + * cogl_set_draw_buffer: + * @target: A #CoglBufferTarget that specifies what kind of framebuffer you + * are setting as the render target. + * @offscreen: If you are setting a framebuffer of type COGL_OFFSCREEN_BUFFER + * then this is a CoglHandle for the offscreen buffer. + * + * Redirects all subsequent drawing to the specified framebuffer. This + * can either be an offscreen buffer created with + * cogl_offscreen_new_to_texture () or you can revert to your original + * on screen window buffer. + * + * Deprecated: 1.16: The latest drawing apis take explicit + * #CoglFramebuffer arguments so this stack of + * framebuffers shouldn't be used anymore. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_set_draw_buffer (CoglBufferTarget target, + CoglHandle offscreen); + +/** + * cogl_push_draw_buffer: + * + * Save cogl_set_draw_buffer() state. + * + * Deprecated: 1.16: The latest drawing apis take explicit + * #CoglFramebuffer arguments so this stack of + * framebuffers shouldn't be used anymore. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_push_draw_buffer (void); + +/** + * cogl_pop_draw_buffer: + * + * Restore cogl_set_draw_buffer() state. + * + * Deprecated: 1.16: The latest drawing apis take explicit + * #CoglFramebuffer arguments so this stack of + * framebuffers shouldn't be used anymore. + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_pop_draw_buffer (void); + +/** + * cogl_read_pixels: + * @x: The window x position to start reading from + * @y: The window y position to start reading from + * @width: The width of the rectangle you want to read + * @height: The height of the rectangle you want to read + * @source: Identifies which auxillary buffer you want to read + * (only COGL_READ_PIXELS_COLOR_BUFFER supported currently) + * @format: The pixel format you want the result in + * (only COGL_PIXEL_FORMAT_RGBA_8888 supported currently) + * @pixels: The location to write the pixel data. + * + * This reads a rectangle of pixels from the current framebuffer where + * position (0, 0) is the top left. The pixel at (x, y) is the first + * read, and the data is returned with a rowstride of (width * 4). + * + * Currently Cogl assumes that the framebuffer is in a premultiplied + * format so if @format is non-premultiplied it will convert it. To + * read the pixel values without any conversion you should either + * specify a format that doesn't use an alpha channel or use one of + * the formats ending in PRE. + * + * Deprecated: 1.16: Use cogl_framebuffer_read_pixels() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_framebuffer_read_pixels) +void +cogl_read_pixels (int x, + int y, + int width, + int height, + CoglReadPixelsFlags source, + CoglPixelFormat format, + uint8_t *pixels); + + +/* XXX: Since this api was marked unstable, maybe we can just + * remove this api if we can't find anyone is using it. */ +/** + * cogl_framebuffer_get_color_format: + * @framebuffer: A #CoglFramebuffer framebuffer + * + * Queries the common #CoglPixelFormat of all color buffers attached + * to this framebuffer. For an offscreen framebuffer created with + * cogl_offscreen_new_with_texture() this will correspond to the format + * of the texture. + * + * This API is deprecated because it is missleading to report a + * #CoglPixelFormat for the internal format of the @framebuffer since + * #CoglPixelFormat is such a precise format description and it's + * only the set of components and the premultiplied alpha status + * that is really known. + * + * Since: 1.8 + * Stability: unstable + * Deprecated 1.18: Removed since it is misleading + */ +COGL_DEPRECATED_IN_1_18 +CoglPixelFormat +cogl_framebuffer_get_color_format (CoglFramebuffer *framebuffer); + +COGL_END_DECLS + +#endif /* __COGL_FRAMEBUFFER_DEPRECATED_H__ */ diff --git a/cogl/deprecated/cogl-material-compat.c b/cogl/deprecated/cogl-material-compat.c new file mode 100644 index 0000000..25f97b1 --- /dev/null +++ b/cogl/deprecated/cogl-material-compat.c @@ -0,0 +1,461 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include +#include +#include +#include + +CoglMaterial * +cogl_material_new (void) +{ + _COGL_GET_CONTEXT(ctx, NULL); + return COGL_MATERIAL (cogl_pipeline_new (ctx)); +} + +CoglMaterial * +cogl_material_copy (CoglMaterial *source) +{ + return COGL_MATERIAL (cogl_pipeline_copy (COGL_PIPELINE (source))); +} + +CoglHandle +cogl_material_ref (CoglHandle handle) +{ + return cogl_object_ref (handle); +} + +void +cogl_material_unref (CoglHandle handle) +{ + cogl_object_unref (handle); +} + +CoglBool +cogl_is_material (CoglHandle handle) +{ + return cogl_is_pipeline (handle); +} + +void +cogl_material_set_color (CoglMaterial *material, + const CoglColor *color) +{ + cogl_pipeline_set_color (COGL_PIPELINE (material), color); +} + +void +cogl_material_set_color4ub (CoglMaterial *material, + uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha) +{ + cogl_pipeline_set_color4ub (COGL_PIPELINE (material), + red, green, blue, alpha); +} + +void +cogl_material_set_color4f (CoglMaterial *material, + float red, + float green, + float blue, + float alpha) +{ + cogl_pipeline_set_color4f (COGL_PIPELINE (material), + red, green, blue, alpha); +} + +void +cogl_material_get_color (CoglMaterial *material, + CoglColor *color) +{ + cogl_pipeline_get_color (COGL_PIPELINE (material), color); +} + +void +cogl_material_set_ambient (CoglMaterial *material, + const CoglColor *ambient) +{ + cogl_pipeline_set_ambient (COGL_PIPELINE (material), ambient); +} + +void +cogl_material_get_ambient (CoglMaterial *material, + CoglColor *ambient) +{ + cogl_pipeline_get_ambient (COGL_PIPELINE (material), ambient); +} + +void +cogl_material_set_diffuse (CoglMaterial *material, + const CoglColor *diffuse) +{ + cogl_pipeline_set_diffuse (COGL_PIPELINE (material), diffuse); +} + +void +cogl_material_get_diffuse (CoglMaterial *material, + CoglColor *diffuse) +{ + cogl_pipeline_get_diffuse (COGL_PIPELINE (material), diffuse); +} + +void +cogl_material_set_ambient_and_diffuse (CoglMaterial *material, + const CoglColor *color) +{ + cogl_pipeline_set_ambient_and_diffuse (COGL_PIPELINE (material), color); + +} + +void +cogl_material_set_specular (CoglMaterial *material, + const CoglColor *specular) +{ + cogl_pipeline_set_specular (COGL_PIPELINE (material), specular); +} + +void +cogl_material_get_specular (CoglMaterial *material, + CoglColor *specular) +{ + cogl_pipeline_get_specular (COGL_PIPELINE (material), specular); +} + +void +cogl_material_set_shininess (CoglMaterial *material, + float shininess) +{ + cogl_pipeline_set_shininess (COGL_PIPELINE (material), shininess); +} + +float +cogl_material_get_shininess (CoglMaterial *material) +{ + return cogl_pipeline_get_shininess (COGL_PIPELINE (material)); +} + +void +cogl_material_set_emission (CoglMaterial *material, + const CoglColor *emission) +{ + cogl_pipeline_set_emission (COGL_PIPELINE (material), emission); + +} + +void +cogl_material_get_emission (CoglMaterial *material, + CoglColor *emission) +{ + cogl_pipeline_get_emission (COGL_PIPELINE (material), emission); + +} + +void +cogl_material_set_alpha_test_function (CoglMaterial *material, + CoglMaterialAlphaFunc alpha_func, + float alpha_reference) +{ + cogl_pipeline_set_alpha_test_function (COGL_PIPELINE (material), + alpha_func, + alpha_reference); +} + +CoglBool +cogl_material_set_blend (CoglMaterial *material, + const char *blend_string, + CoglError **error) +{ + return cogl_pipeline_set_blend (COGL_PIPELINE (material), + blend_string, + error); +} + +void +cogl_material_set_blend_constant (CoglMaterial *material, + const CoglColor *constant_color) +{ + cogl_pipeline_set_blend_constant (COGL_PIPELINE (material), constant_color); +} + +void +cogl_material_set_point_size (CoglMaterial *material, + float point_size) +{ + cogl_pipeline_set_point_size (COGL_PIPELINE (material), point_size); +} + +float +cogl_material_get_point_size (CoglMaterial *material) +{ + return cogl_pipeline_get_point_size (COGL_PIPELINE (material)); +} + +CoglHandle +cogl_material_get_user_program (CoglMaterial *material) +{ + return cogl_pipeline_get_user_program (COGL_PIPELINE (material)); +} + +void +cogl_material_set_user_program (CoglMaterial *material, + CoglHandle program) +{ + cogl_pipeline_set_user_program (COGL_PIPELINE (material), program); +} + +void +cogl_material_set_layer (CoglMaterial *material, + int layer_index, + CoglHandle texture) +{ + cogl_pipeline_set_layer_texture (COGL_PIPELINE (material), + layer_index, texture); +} + +void +cogl_material_remove_layer (CoglMaterial *material, + int layer_index) +{ + cogl_pipeline_remove_layer (COGL_PIPELINE (material), layer_index); +} + +CoglBool +cogl_material_set_layer_combine (CoglMaterial *material, + int layer_index, + const char *blend_string, + CoglError **error) +{ + return cogl_pipeline_set_layer_combine (COGL_PIPELINE (material), + layer_index, + blend_string, + error); +} + +void +cogl_material_set_layer_combine_constant (CoglMaterial *material, + int layer_index, + const CoglColor *constant) +{ + cogl_pipeline_set_layer_combine_constant (COGL_PIPELINE (material), + layer_index, + constant); +} + +void +cogl_material_set_layer_matrix (CoglMaterial *material, + int layer_index, + const CoglMatrix *matrix) +{ + cogl_pipeline_set_layer_matrix (COGL_PIPELINE (material), + layer_index, matrix); +} + +const GList * +cogl_material_get_layers (CoglMaterial *material) +{ + return _cogl_pipeline_get_layers (COGL_PIPELINE (material)); +} + +int +cogl_material_get_n_layers (CoglMaterial *material) +{ + return cogl_pipeline_get_n_layers (COGL_PIPELINE (material)); +} + +CoglMaterialLayerType +cogl_material_layer_get_type (CoglMaterialLayer *layer) +{ + return COGL_MATERIAL_LAYER_TYPE_TEXTURE; +} + +CoglHandle +cogl_material_layer_get_texture (CoglMaterialLayer *layer) +{ + return _cogl_pipeline_layer_get_texture (COGL_PIPELINE_LAYER (layer)); +} + +CoglMaterialFilter +cogl_material_layer_get_min_filter (CoglMaterialLayer *layer) +{ + return _cogl_pipeline_layer_get_min_filter (COGL_PIPELINE_LAYER (layer)); +} + +CoglMaterialFilter +cogl_material_layer_get_mag_filter (CoglMaterialLayer *layer) +{ + return _cogl_pipeline_layer_get_mag_filter (COGL_PIPELINE_LAYER (layer)); +} + +void +cogl_material_set_layer_filters (CoglMaterial *material, + int layer_index, + CoglMaterialFilter min_filter, + CoglMaterialFilter mag_filter) +{ + cogl_pipeline_set_layer_filters (COGL_PIPELINE (material), + layer_index, + min_filter, + mag_filter); +} + +CoglBool +cogl_material_set_layer_point_sprite_coords_enabled (CoglMaterial *material, + int layer_index, + CoglBool enable, + CoglError **error) +{ + CoglPipeline *pipeline = COGL_PIPELINE (material); + return cogl_pipeline_set_layer_point_sprite_coords_enabled (pipeline, + layer_index, + enable, + error); +} + +CoglBool +cogl_material_get_layer_point_sprite_coords_enabled (CoglMaterial *material, + int layer_index) +{ + CoglPipeline *pipeline = COGL_PIPELINE (material); + return cogl_pipeline_get_layer_point_sprite_coords_enabled (pipeline, + layer_index); +} + +CoglMaterialWrapMode +cogl_material_get_layer_wrap_mode_s (CoglMaterial *material, + int layer_index) +{ + return cogl_pipeline_get_layer_wrap_mode_s (COGL_PIPELINE (material), + layer_index); +} + +void +cogl_material_set_layer_wrap_mode_s (CoglMaterial *material, + int layer_index, + CoglMaterialWrapMode mode) +{ + cogl_pipeline_set_layer_wrap_mode_s (COGL_PIPELINE (material), layer_index, + mode); +} + +CoglMaterialWrapMode +cogl_material_get_layer_wrap_mode_t (CoglMaterial *material, + int layer_index) +{ + return cogl_pipeline_get_layer_wrap_mode_t (COGL_PIPELINE (material), + layer_index); +} + +void +cogl_material_set_layer_wrap_mode_t (CoglMaterial *material, + int layer_index, + CoglMaterialWrapMode mode) +{ + cogl_pipeline_set_layer_wrap_mode_t (COGL_PIPELINE (material), layer_index, + mode); +} + +CoglMaterialWrapMode +cogl_material_get_layer_wrap_mode_p (CoglMaterial *material, + int layer_index) +{ + return cogl_pipeline_get_layer_wrap_mode_p (COGL_PIPELINE (material), + layer_index); +} + +void +cogl_material_set_layer_wrap_mode_p (CoglMaterial *material, + int layer_index, + CoglMaterialWrapMode mode) +{ + cogl_pipeline_set_layer_wrap_mode_p (COGL_PIPELINE (material), layer_index, + mode); +} + +void +cogl_material_set_layer_wrap_mode (CoglMaterial *material, + int layer_index, + CoglMaterialWrapMode mode) +{ + cogl_pipeline_set_layer_wrap_mode (COGL_PIPELINE (material), layer_index, + mode); +} + +CoglMaterialWrapMode +cogl_material_layer_get_wrap_mode_s (CoglMaterialLayer *layer) +{ + return _cogl_pipeline_layer_get_wrap_mode_s (COGL_PIPELINE_LAYER (layer)); +} + +CoglMaterialWrapMode +cogl_material_layer_get_wrap_mode_t (CoglMaterialLayer *layer) +{ + return _cogl_pipeline_layer_get_wrap_mode_t (COGL_PIPELINE_LAYER (layer)); +} + +CoglMaterialWrapMode +cogl_material_layer_get_wrap_mode_p (CoglMaterialLayer *layer) +{ + return _cogl_pipeline_layer_get_wrap_mode_p (COGL_PIPELINE_LAYER (layer)); +} + +void +cogl_material_foreach_layer (CoglMaterial *material, + CoglMaterialLayerCallback callback, + void *user_data) +{ + cogl_pipeline_foreach_layer (COGL_PIPELINE (material), + (CoglPipelineLayerCallback)callback, user_data); +} + +CoglBool +cogl_material_set_depth_state (CoglMaterial *material, + const CoglDepthState *state, + CoglError **error) +{ + return cogl_pipeline_set_depth_state (COGL_PIPELINE (material), + state, error); +} + +void +cogl_material_get_depth_state (CoglMaterial *material, + CoglDepthState *state_out) +{ + cogl_pipeline_get_depth_state (COGL_PIPELINE (material), state_out); +} + diff --git a/cogl/deprecated/cogl-material-compat.h b/cogl/deprecated/cogl-material-compat.h new file mode 100644 index 0000000..88d3ac3 --- /dev/null +++ b/cogl/deprecated/cogl-material-compat.h @@ -0,0 +1,1391 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_MATERIAL_H__ +#define __COGL_MATERIAL_H__ + +#include +#include +#include +#include +#include + +G_BEGIN_DECLS + +/** + * SECTION:cogl-material + * @short_description: Fuctions for creating and manipulating materials + * + * COGL allows creating and manipulating materials used to fill in + * geometry. Materials may simply be lighting attributes (such as an + * ambient and diffuse colour) or might represent one or more textures + * blended together. + */ + +typedef struct _CoglMaterial CoglMaterial; +typedef struct _CoglMaterialLayer CoglMaterialLayer; + +#define COGL_MATERIAL(OBJECT) ((CoglMaterial *)OBJECT) + +/** + * CoglMaterialFilter: + * @COGL_MATERIAL_FILTER_NEAREST: Measuring in manhatten distance from the, + * current pixel center, use the nearest texture texel + * @COGL_MATERIAL_FILTER_LINEAR: Use the weighted average of the 4 texels + * nearest the current pixel center + * @COGL_MATERIAL_FILTER_NEAREST_MIPMAP_NEAREST: Select the mimap level whose + * texel size most closely matches the current pixel, and use the + * %COGL_MATERIAL_FILTER_NEAREST criterion + * @COGL_MATERIAL_FILTER_LINEAR_MIPMAP_NEAREST: Select the mimap level whose + * texel size most closely matches the current pixel, and use the + * %COGL_MATERIAL_FILTER_LINEAR criterion + * @COGL_MATERIAL_FILTER_NEAREST_MIPMAP_LINEAR: Select the two mimap levels + * whose texel size most closely matches the current pixel, use + * the %COGL_MATERIAL_FILTER_NEAREST criterion on each one and take + * their weighted average + * @COGL_MATERIAL_FILTER_LINEAR_MIPMAP_LINEAR: Select the two mimap levels + * whose texel size most closely matches the current pixel, use + * the %COGL_MATERIAL_FILTER_LINEAR criterion on each one and take + * their weighted average + * + * Texture filtering is used whenever the current pixel maps either to more + * than one texture element (texel) or less than one. These filter enums + * correspond to different strategies used to come up with a pixel color, by + * possibly referring to multiple neighbouring texels and taking a weighted + * average or simply using the nearest texel. + */ +typedef enum { + COGL_MATERIAL_FILTER_NEAREST = 0x2600, + COGL_MATERIAL_FILTER_LINEAR = 0x2601, + COGL_MATERIAL_FILTER_NEAREST_MIPMAP_NEAREST = 0x2700, + COGL_MATERIAL_FILTER_LINEAR_MIPMAP_NEAREST = 0x2701, + COGL_MATERIAL_FILTER_NEAREST_MIPMAP_LINEAR = 0x2702, + COGL_MATERIAL_FILTER_LINEAR_MIPMAP_LINEAR = 0x2703 +} CoglMaterialFilter; +/* NB: these values come from the equivalents in gl.h */ + +/** + * CoglMaterialWrapMode: + * @COGL_MATERIAL_WRAP_MODE_REPEAT: The texture will be repeated. This + * is useful for example to draw a tiled background. + * @COGL_MATERIAL_WRAP_MODE_CLAMP_TO_EDGE: The coordinates outside the + * range 0→1 will sample copies of the edge pixels of the + * texture. This is useful to avoid artifacts if only one copy of + * the texture is being rendered. + * @COGL_MATERIAL_WRAP_MODE_AUTOMATIC: Cogl will try to automatically + * decide which of the above two to use. For cogl_rectangle(), it + * will use repeat mode if any of the texture coordinates are + * outside the range 0→1, otherwise it will use clamp to edge. For + * cogl_polygon() it will always use repeat mode. For + * cogl_vertex_buffer_draw() it will use repeat mode except for + * layers that have point sprite coordinate generation enabled. This + * is the default value. + * + * The wrap mode specifies what happens when texture coordinates + * outside the range 0→1 are used. Note that if the filter mode is + * anything but %COGL_MATERIAL_FILTER_NEAREST then texels outside the + * range 0→1 might be used even when the coordinate is exactly 0 or 1 + * because OpenGL will try to sample neighbouring pixels. For example + * if you are trying to render the full texture then you may get + * artifacts around the edges when the pixels from the other side are + * merged in if the wrap mode is set to repeat. + * + * Since: 1.4 + */ +/* GL_ALWAYS is just used here as a value that is known not to clash + * with any valid GL wrap modes + * + * XXX: keep the values in sync with the CoglMaterialWrapModeInternal + * enum so no conversion is actually needed. + */ +typedef enum { + COGL_MATERIAL_WRAP_MODE_REPEAT = 0x2901, + COGL_MATERIAL_WRAP_MODE_CLAMP_TO_EDGE = 0x812F, + COGL_MATERIAL_WRAP_MODE_AUTOMATIC = 0x0207 +} CoglMaterialWrapMode; +/* NB: these values come from the equivalents in gl.h */ + +/** + * cogl_material_new: + * + * Allocates and initializes a blank white material + * + * Return value: a pointer to a new #CoglMaterial + * Deprecated: 1.16: Use cogl_pipeline_new() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_new) +CoglMaterial * +cogl_material_new (void); + +/** + * cogl_material_copy: + * @source: a #CoglMaterial object to copy + * + * Creates a new material with the configuration copied from the + * source material. + * + * We would strongly advise developers to always aim to use + * cogl_material_copy() instead of cogl_material_new() whenever there will + * be any similarity between two materials. Copying a material helps Cogl + * keep track of a materials ancestry which we may use to help minimize GPU + * state changes. + * + * Returns: a pointer to the newly allocated #CoglMaterial + * + * Since: 1.2 + * Deprecated: 1.16: Use cogl_pipeline_copy() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_copy) +CoglMaterial * +cogl_material_copy (CoglMaterial *source); + +/** + * cogl_material_ref: + * @material: a #CoglMaterial object. + * + * Increment the reference count for a #CoglMaterial. + * + * Return value: the @material. + * + * Since: 1.0 + * + * Deprecated: 1.2: Use cogl_object_ref() instead + */ +COGL_DEPRECATED +CoglHandle +cogl_material_ref (CoglHandle material); + +/** + * cogl_material_unref: + * @material: a #CoglMaterial object. + * + * Decrement the reference count for a #CoglMaterial. + * + * Since: 1.0 + * + * Deprecated: 1.2: Use cogl_object_unref() instead + */ +COGL_DEPRECATED +void +cogl_material_unref (CoglHandle material); + +/** + * cogl_is_material: + * @handle: A CoglHandle + * + * Gets whether the given handle references an existing material object. + * + * Return value: %TRUE if the handle references a #CoglMaterial, + * %FALSE otherwise + * Deprecated: 1.16: Use cogl_is_pipeline() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_is_pipeline) +CoglBool +cogl_is_material (CoglHandle handle); + +/** + * cogl_material_set_color: + * @material: A #CoglMaterial object + * @color: The components of the color + * + * Sets the basic color of the material, used when no lighting is enabled. + * + * Note that if you don't add any layers to the material then the color + * will be blended unmodified with the destination; the default blend + * expects premultiplied colors: for example, use (0.5, 0.0, 0.0, 0.5) for + * semi-transparent red. See cogl_color_premultiply(). + * + * The default value is (1.0, 1.0, 1.0, 1.0) + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_set_color() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_color) +void +cogl_material_set_color (CoglMaterial *material, + const CoglColor *color); + +/** + * cogl_material_set_color4ub: + * @material: A #CoglMaterial object + * @red: The red component + * @green: The green component + * @blue: The blue component + * @alpha: The alpha component + * + * Sets the basic color of the material, used when no lighting is enabled. + * + * The default value is (0xff, 0xff, 0xff, 0xff) + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_set_color4ub() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_color4ub) +void +cogl_material_set_color4ub (CoglMaterial *material, + uint8_t red, + uint8_t green, + uint8_t blue, + uint8_t alpha); + +/** + * cogl_material_set_color4f: + * @material: A #CoglMaterial object + * @red: The red component + * @green: The green component + * @blue: The blue component + * @alpha: The alpha component + * + * Sets the basic color of the material, used when no lighting is enabled. + * + * The default value is (1.0, 1.0, 1.0, 1.0) + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_set_color4f() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_color4f) +void +cogl_material_set_color4f (CoglMaterial *material, + float red, + float green, + float blue, + float alpha); + +/** + * cogl_material_get_color: + * @material: A #CoglMaterial object + * @color: (out): The location to store the color + * + * Retrieves the current material color. + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_get_color() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_color) +void +cogl_material_get_color (CoglMaterial *material, + CoglColor *color); + +/** + * cogl_material_set_ambient: + * @material: A #CoglMaterial object + * @ambient: The components of the desired ambient color + * + * Sets the material's ambient color, in the standard OpenGL lighting + * model. The ambient color affects the overall color of the object. + * + * Since the diffuse color will be intense when the light hits the surface + * directly, the ambient will be most apparent where the light hits at a + * slant. + * + * The default value is (0.2, 0.2, 0.2, 1.0) + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_set_ambient (CoglMaterial *material, + const CoglColor *ambient); + +/** + * cogl_material_get_ambient: + * @material: A #CoglMaterial object + * @ambient: The location to store the ambient color + * + * Retrieves the current ambient color for @material + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_get_ambient (CoglMaterial *material, + CoglColor *ambient); + +/** + * cogl_material_set_diffuse: + * @material: A #CoglMaterial object + * @diffuse: The components of the desired diffuse color + * + * Sets the material's diffuse color, in the standard OpenGL lighting + * model. The diffuse color is most intense where the light hits the + * surface directly - perpendicular to the surface. + * + * The default value is (0.8, 0.8, 0.8, 1.0) + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_set_diffuse (CoglMaterial *material, + const CoglColor *diffuse); + +/** + * cogl_material_get_diffuse: + * @material: A #CoglMaterial object + * @diffuse: The location to store the diffuse color + * + * Retrieves the current diffuse color for @material + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_get_diffuse (CoglMaterial *material, + CoglColor *diffuse); + +/** + * cogl_material_set_ambient_and_diffuse: + * @material: A #CoglMaterial object + * @color: The components of the desired ambient and diffuse colors + * + * Conveniently sets the diffuse and ambient color of @material at the same + * time. See cogl_material_set_ambient() and cogl_material_set_diffuse(). + * + * The default ambient color is (0.2, 0.2, 0.2, 1.0) + * + * The default diffuse color is (0.8, 0.8, 0.8, 1.0) + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_set_ambient_and_diffuse (CoglMaterial *material, + const CoglColor *color); + +/** + * cogl_material_set_specular: + * @material: A #CoglMaterial object + * @specular: The components of the desired specular color + * + * Sets the material's specular color, in the standard OpenGL lighting + * model. The intensity of the specular color depends on the viewport + * position, and is brightest along the lines of reflection. + * + * The default value is (0.0, 0.0, 0.0, 1.0) + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_set_specular (CoglMaterial *material, + const CoglColor *specular); + +/** + * cogl_material_get_specular: + * @material: A #CoglMaterial object + * @specular: The location to store the specular color + * + * Retrieves the materials current specular color. + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_get_specular (CoglMaterial *material, + CoglColor *specular); + +/** + * cogl_material_set_shininess: + * @material: A #CoglMaterial object + * @shininess: The desired shininess; must be >= 0.0 + * + * Sets the shininess of the material, in the standard OpenGL lighting + * model, which determines the size of the specular highlights. A + * higher @shininess will produce smaller highlights which makes the + * object appear more shiny. + * + * The default value is 0.0 + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_set_shininess (CoglMaterial *material, + float shininess); + +/** + * cogl_material_get_shininess: + * @material: A #CoglMaterial object + * + * Retrieves the materials current emission color. + * + * Return value: The materials current shininess value + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +float +cogl_material_get_shininess (CoglMaterial *material); + +/** + * cogl_material_set_emission: + * @material: A #CoglMaterial object + * @emission: The components of the desired emissive color + * + * Sets the material's emissive color, in the standard OpenGL lighting + * model. It will look like the surface is a light source emitting this + * color. + * + * The default value is (0.0, 0.0, 0.0, 1.0) + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_set_emission (CoglMaterial *material, + const CoglColor *emission); + +/** + * cogl_material_get_emission: + * @material: A #CoglMaterial object + * @emission: The location to store the emission color + * + * Retrieves the materials current emission color. + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglSnippet shader api for lighting + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_get_emission (CoglMaterial *material, + CoglColor *emission); + +/** + * CoglMaterialAlphaFunc: + * @COGL_MATERIAL_ALPHA_FUNC_NEVER: Never let the fragment through. + * @COGL_MATERIAL_ALPHA_FUNC_LESS: Let the fragment through if the incoming + * alpha value is less than the reference alpha value + * @COGL_MATERIAL_ALPHA_FUNC_EQUAL: Let the fragment through if the incoming + * alpha value equals the reference alpha value + * @COGL_MATERIAL_ALPHA_FUNC_LEQUAL: Let the fragment through if the incoming + * alpha value is less than or equal to the reference alpha value + * @COGL_MATERIAL_ALPHA_FUNC_GREATER: Let the fragment through if the incoming + * alpha value is greater than the reference alpha value + * @COGL_MATERIAL_ALPHA_FUNC_NOTEQUAL: Let the fragment through if the incoming + * alpha value does not equal the reference alpha value + * @COGL_MATERIAL_ALPHA_FUNC_GEQUAL: Let the fragment through if the incoming + * alpha value is greater than or equal to the reference alpha value. + * @COGL_MATERIAL_ALPHA_FUNC_ALWAYS: Always let the fragment through. + * + * Alpha testing happens before blending primitives with the framebuffer and + * gives an opportunity to discard fragments based on a comparison with the + * incoming alpha value and a reference alpha value. The #CoglMaterialAlphaFunc + * determines how the comparison is done. + */ +typedef enum { + COGL_MATERIAL_ALPHA_FUNC_NEVER = 0x0200, + COGL_MATERIAL_ALPHA_FUNC_LESS = 0x0201, + COGL_MATERIAL_ALPHA_FUNC_EQUAL = 0x0202, + COGL_MATERIAL_ALPHA_FUNC_LEQUAL = 0x0203, + COGL_MATERIAL_ALPHA_FUNC_GREATER = 0x0204, + COGL_MATERIAL_ALPHA_FUNC_NOTEQUAL = 0x0205, + COGL_MATERIAL_ALPHA_FUNC_GEQUAL = 0x0206, + COGL_MATERIAL_ALPHA_FUNC_ALWAYS = 0x0207 +} CoglMaterialAlphaFunc; + +/** + * cogl_material_set_alpha_test_function: + * @material: A #CoglMaterial object + * @alpha_func: A @CoglMaterialAlphaFunc constant + * @alpha_reference: A reference point that the chosen alpha function uses + * to compare incoming fragments to. + * + * Before a primitive is blended with the framebuffer, it goes through an + * alpha test stage which lets you discard fragments based on the current + * alpha value. This function lets you change the function used to evaluate + * the alpha channel, and thus determine which fragments are discarded + * and which continue on to the blending stage. + * + * The default is %COGL_MATERIAL_ALPHA_FUNC_ALWAYS + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_set_alpha_test_function() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_alpha_test_function) +void +cogl_material_set_alpha_test_function (CoglMaterial *material, + CoglMaterialAlphaFunc alpha_func, + float alpha_reference); + +/** + * cogl_material_set_blend: + * @material: A #CoglMaterial object + * @blend_string: A Cogl blend string + * describing the desired blend function. + * @error: return location for a #CoglError that may report lack of driver + * support if you give separate blend string statements for the alpha + * channel and RGB channels since some drivers, or backends such as + * GLES 1.1, don't support this feature. May be %NULL, in which case a + * warning will be printed out using GLib's logging facilities if an + * error is encountered. + * + * If not already familiar; please refer here + * for an overview of what blend strings are, and their syntax. + * + * Blending occurs after the alpha test function, and combines fragments with + * the framebuffer. + + * Currently the only blend function Cogl exposes is ADD(). So any valid + * blend statements will be of the form: + * + * |[ + * <channel-mask>=ADD(SRC_COLOR*(<factor>), DST_COLOR*(<factor>)) + * ]| + * + * The brackets around blend factors are currently not + * optional! + * + * This is the list of source-names usable as blend factors: + * + * SRC_COLOR: The color of the in comming fragment + * DST_COLOR: The color of the framebuffer + * CONSTANT: The constant set via cogl_material_set_blend_constant() + * + * + * The source names can be used according to the + * color-source and factor syntax, + * so for example "(1-SRC_COLOR[A])" would be a valid factor, as would + * "(CONSTANT[RGB])" + * + * These can also be used as factors: + * + * 0: (0, 0, 0, 0) + * 1: (1, 1, 1, 1) + * SRC_ALPHA_SATURATE_FACTOR: (f,f,f,1) where f = MIN(SRC_COLOR[A],1-DST_COLOR[A]) + * + * + * Remember; all color components are normalized to the range [0, 1] + * before computing the result of blending. + * + * + * Blend Strings/1 + * Blend a non-premultiplied source over a destination with + * premultiplied alpha: + * + * "RGB = ADD(SRC_COLOR*(SRC_COLOR[A]), DST_COLOR*(1-SRC_COLOR[A]))" + * "A = ADD(SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))" + * + * + * + * + * Blend Strings/2 + * Blend a premultiplied source over a destination with + * premultiplied alpha + * + * "RGBA = ADD(SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))" + * + * + * + * The default blend string is: + * |[ + * RGBA = ADD (SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A])) + * ]| + * + * That gives normal alpha-blending when the calculated color for the material + * is in premultiplied form. + * + * Return value: %TRUE if the blend string was successfully parsed, and the + * described blending is supported by the underlying driver/hardware. If + * there was an error, %FALSE is returned and @error is set accordingly (if + * present). + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_set_blend() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_blend) +CoglBool +cogl_material_set_blend (CoglMaterial *material, + const char *blend_string, + CoglError **error); + +/** + * cogl_material_set_blend_constant: + * @material: A #CoglMaterial object + * @constant_color: The constant color you want + * + * When blending is setup to reference a CONSTANT blend factor then + * blending will depend on the constant set with this function. + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_set_blend_constant() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_blend_constant) +void +cogl_material_set_blend_constant (CoglMaterial *material, + const CoglColor *constant_color); + +/** + * cogl_material_set_point_size: + * @material: a material. + * @point_size: the new point size. + * + * Changes the size of points drawn when %COGL_VERTICES_MODE_POINTS is + * used with the vertex buffer API. Note that typically the GPU will + * only support a limited minimum and maximum range of point sizes. If + * the chosen point size is outside that range then the nearest value + * within that range will be used instead. The size of a point is in + * screen space so it will be the same regardless of any + * transformations. The default point size is 1.0. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_set_point_size() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_point_size) +void +cogl_material_set_point_size (CoglMaterial *material, + float point_size); + +/** + * cogl_material_get_point_size: + * @material: a #CoglHandle to a material. + * + * Get the size of points drawn when %COGL_VERTICES_MODE_POINTS is + * used with the vertex buffer API. + * + * Return value: the point size of the material. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_get_point_size() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_point_size) +float +cogl_material_get_point_size (CoglMaterial *material); + +/** + * cogl_material_get_user_program: + * @material: a #CoglMaterial object. + * + * Queries what user program has been associated with the given + * @material using cogl_material_set_user_program(). + * + * Return value: (transfer none): The current user program + * or %COGL_INVALID_HANDLE. + * + * Since: 1.4 + * Deprecated: 1.16: Use #CoglSnippet api instead instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +CoglHandle +cogl_material_get_user_program (CoglMaterial *material); + +/** + * cogl_material_set_user_program: + * @material: a #CoglMaterial object. + * @program: A #CoglHandle to a linked CoglProgram + * + * Associates a linked CoglProgram with the given material so that the + * program can take full control of vertex and/or fragment processing. + * + * This is an example of how it can be used to associate an ARBfp + * program with a #CoglMaterial: + * |[ + * CoglHandle shader; + * CoglHandle program; + * CoglMaterial *material; + * + * shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT); + * cogl_shader_source (shader, + * "!!ARBfp1.0\n" + * "MOV result.color,fragment.color;\n" + * "END\n"); + * cogl_shader_compile (shader); + * + * program = cogl_create_program (); + * cogl_program_attach_shader (program, shader); + * cogl_program_link (program); + * + * material = cogl_material_new (); + * cogl_material_set_user_program (material, program); + * + * cogl_set_source_color4ub (0xff, 0x00, 0x00, 0xff); + * cogl_rectangle (0, 0, 100, 100); + * ]| + * + * It is possibly worth keeping in mind that this API is not part of + * the long term design for how we want to expose shaders to Cogl + * developers (We are planning on deprecating the cogl_program and + * cogl_shader APIs in favour of a "snippet" framework) but in the + * meantime we hope this will handle most practical GLSL and ARBfp + * requirements. + * + * Also remember you need to check for either the + * %COGL_FEATURE_SHADERS_GLSL or %COGL_FEATURE_SHADERS_ARBFP before + * using the cogl_program or cogl_shader API. + * + * Since: 1.4 + * Deprecated: 1.16: Use #CoglSnippet api instead instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_material_set_user_program (CoglMaterial *material, + CoglHandle program); + +/** + * cogl_material_set_layer: + * @material: A #CoglMaterial object + * @layer_index: the index of the layer + * @texture: a #CoglHandle for the layer object + * + * In addition to the standard OpenGL lighting model a Cogl material may have + * one or more layers comprised of textures that can be blended together in + * order, with a number of different texture combine modes. This function + * defines a new texture layer. + * + * The index values of multiple layers do not have to be consecutive; it is + * only their relative order that is important. + * + * In the future, we may define other types of material layers, such + * as purely GLSL based layers. + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_set_layer() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer) +void +cogl_material_set_layer (CoglMaterial *material, + int layer_index, + CoglHandle texture); + +/** + * cogl_material_remove_layer: + * @material: A #CoglMaterial object + * @layer_index: Specifies the layer you want to remove + * + * This function removes a layer from your material + * Deprecated: 1.16: Use cogl_pipeline_remove_layer() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_remove_layer) +void +cogl_material_remove_layer (CoglMaterial *material, + int layer_index); + + +/** + * cogl_material_set_layer_combine: + * @material: A #CoglMaterial object + * @layer_index: Specifies the layer you want define a combine function for + * @blend_string: A Cogl blend string + * describing the desired texture combine function. + * @error: A #CoglError that may report parse errors or lack of GPU/driver + * support. May be %NULL, in which case a warning will be printed out if an + * error is encountered. + * + * If not already familiar; you can refer + * here for an overview of what blend + * strings are and there syntax. + * + * These are all the functions available for texture combining: + * + * REPLACE(arg0) = arg0 + * MODULATE(arg0, arg1) = arg0 x arg1 + * ADD(arg0, arg1) = arg0 + arg1 + * ADD_SIGNED(arg0, arg1) = arg0 + arg1 - 0.5 + * INTERPOLATE(arg0, arg1, arg2) = arg0 x arg2 + arg1 x (1 - arg2) + * SUBTRACT(arg0, arg1) = arg0 - arg1 + * + * + * DOT3_RGB(arg0, arg1) = 4 x ((arg0[R] - 0.5)) * (arg1[R] - 0.5) + + * (arg0[G] - 0.5)) * (arg1[G] - 0.5) + + * (arg0[B] - 0.5)) * (arg1[B] - 0.5)) + * + * + * + * + * DOT3_RGBA(arg0, arg1) = 4 x ((arg0[R] - 0.5)) * (arg1[R] - 0.5) + + * (arg0[G] - 0.5)) * (arg1[G] - 0.5) + + * (arg0[B] - 0.5)) * (arg1[B] - 0.5)) + * + * + * + * + * Refer to the + * color-source syntax for + * describing the arguments. The valid source names for texture combining + * are: + * + * + * TEXTURE + * Use the color from the current texture layer + * + * + * TEXTURE_0, TEXTURE_1, etc + * Use the color from the specified texture layer + * + * + * CONSTANT + * Use the color from the constant given with + * cogl_material_set_layer_constant() + * + * + * PRIMARY + * Use the color of the material as set with + * cogl_material_set_color() + * + * + * PREVIOUS + * Either use the texture color from the previous layer, or + * if this is layer 0, use the color of the material as set with + * cogl_material_set_color() + * + * + * + * + * Layer Combine Examples + * This is effectively what the default blending is: + * + * RGBA = MODULATE (PREVIOUS, TEXTURE) + * + * This could be used to cross-fade between two images, using + * the alpha component of a constant as the interpolator. The constant + * color is given by calling cogl_material_set_layer_constant. + * + * RGBA = INTERPOLATE (PREVIOUS, TEXTURE, CONSTANT[A]) + * + * + * + * You can't give a multiplication factor for arguments as you can + * with blending. + * + * Return value: %TRUE if the blend string was successfully parsed, and the + * described texture combining is supported by the underlying driver and + * or hardware. On failure, %FALSE is returned and @error is set + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_set_layer_combine() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer_combine) +CoglBool +cogl_material_set_layer_combine (CoglMaterial *material, + int layer_index, + const char *blend_string, + CoglError **error); + +/** + * cogl_material_set_layer_combine_constant: + * @material: A #CoglMaterial object + * @layer_index: Specifies the layer you want to specify a constant used + * for texture combining + * @constant: The constant color you want + * + * When you are using the 'CONSTANT' color source in a layer combine + * description then you can use this function to define its value. + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_set_layer_combine_constant() + * instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer_combine_constant) +void +cogl_material_set_layer_combine_constant (CoglMaterial *material, + int layer_index, + const CoglColor *constant); + +/** + * cogl_material_set_layer_matrix: + * @material: A #CoglMaterial object + * @layer_index: the index for the layer inside @material + * @matrix: the transformation matrix for the layer + * + * This function lets you set a matrix that can be used to e.g. translate + * and rotate a single layer of a material used to fill your geometry. + * Deprecated: 1.16: Use cogl_pipeline_set_layer_matrix() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer_matrix) +void +cogl_material_set_layer_matrix (CoglMaterial *material, + int layer_index, + const CoglMatrix *matrix); + +/** + * cogl_material_get_layers: + * @material: A #CoglMaterial object + * + * This function lets you access a material's internal list of layers + * for iteration. + * + * You should avoid using this API if possible since it was only + * made public by mistake and will be deprecated when we have + * suitable alternative. + * + * It's important to understand that the list returned may not + * remain valid if you modify the material or any of the layers in any + * way and so you would have to re-get the list in that + * situation. + * + * Return value: (element-type CoglMaterialLayer) (transfer none): A + * list of #CoglMaterialLayer's that can be passed to the + * cogl_material_layer_* functions. The list is owned by Cogl and it + * should not be modified or freed + * Deprecated: 1.16: Use cogl_pipeline_get_layers() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_layers) +const GList * +cogl_material_get_layers (CoglMaterial *material); + +/** + * cogl_material_get_n_layers: + * @material: A #CoglMaterial object + * + * Retrieves the number of layers defined for the given @material + * + * Return value: the number of layers + * + * Since: 1.0 + * Deprecated: 1.16: Use cogl_pipeline_get_n_layers() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_n_layers) +int +cogl_material_get_n_layers (CoglMaterial *material); + +/** + * CoglMaterialLayerType: + * @COGL_MATERIAL_LAYER_TYPE_TEXTURE: The layer represents a + * texture + * + * Available types of layers for a #CoglMaterial. This enumeration + * might be expanded in later versions. + * + * Since: 1.0 + */ +typedef enum { + COGL_MATERIAL_LAYER_TYPE_TEXTURE +} CoglMaterialLayerType; + + +/** + * cogl_material_layer_get_type: + * @layer: A #CoglMaterialLayer object + * + * Retrieves the type of the layer + * + * Currently there is only one type of layer defined: + * %COGL_MATERIAL_LAYER_TYPE_TEXTURE, but considering we may add purely GLSL + * based layers in the future, you should write code that checks the type + * first. + * + * Return value: the type of the layer + * Deprecated: 1.16: No replacement + */ +COGL_DEPRECATED_IN_1_16 +CoglMaterialLayerType +cogl_material_layer_get_type (CoglMaterialLayer *layer); + +/** + * cogl_material_layer_get_texture: + * @layer: A #CoglMaterialLayer object + * + * Extracts a texture handle for a specific layer. + * + * In the future Cogl may support purely GLSL based layers; for those + * layers this function which will likely return %COGL_INVALID_HANDLE if you + * try to get the texture handle from them. Considering this scenario, you + * should call cogl_material_layer_get_type() first in order check it is of + * type %COGL_MATERIAL_LAYER_TYPE_TEXTURE before calling this function. + * + * Return value: (transfer none): a #CoglHandle for the texture inside the layer + * Deprecated: 1.16: No replacement + */ +COGL_DEPRECATED_IN_1_16 +CoglHandle +cogl_material_layer_get_texture (CoglMaterialLayer *layer); + +/** + * cogl_material_layer_get_min_filter: + * @layer: a #CoglHandle for a material layer + * + * Queries the currently set downscaling filter for a material layer + * + * Return value: the current downscaling filter + * Deprecated: 1.16: No replacement + */ +COGL_DEPRECATED_IN_1_16 +CoglMaterialFilter +cogl_material_layer_get_min_filter (CoglMaterialLayer *layer); + +/** + * cogl_material_layer_get_mag_filter: + * @layer: A #CoglMaterialLayer object + * + * Queries the currently set downscaling filter for a material later + * + * Return value: the current downscaling filter + * Deprecated: 1.16: No replacement + */ +COGL_DEPRECATED_IN_1_16 +CoglMaterialFilter +cogl_material_layer_get_mag_filter (CoglMaterialLayer *layer); + +/** + * cogl_material_set_layer_filters: + * @material: A #CoglMaterial object + * @layer_index: the layer number to change. + * @min_filter: the filter used when scaling a texture down. + * @mag_filter: the filter used when magnifying a texture. + * + * Changes the decimation and interpolation filters used when a texture is + * drawn at other scales than 100%. + * Deprecated: 1.16: Use cogl_pipeline_set_layer_filters() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer_filters) +void +cogl_material_set_layer_filters (CoglMaterial *material, + int layer_index, + CoglMaterialFilter min_filter, + CoglMaterialFilter mag_filter); + +/** + * cogl_material_set_layer_point_sprite_coords_enabled: + * @material: a #CoglHandle to a material. + * @layer_index: the layer number to change. + * @enable: whether to enable point sprite coord generation. + * @error: A return location for a CoglError, or NULL to ignore errors. + * + * When rendering points, if @enable is %TRUE then the texture + * coordinates for this layer will be replaced with coordinates that + * vary from 0.0 to 1.0 across the primitive. The top left of the + * point will have the coordinates 0.0,0.0 and the bottom right will + * have 1.0,1.0. If @enable is %FALSE then the coordinates will be + * fixed for the entire point. + * + * This function will only work if %COGL_FEATURE_POINT_SPRITE is + * available. If the feature is not available then the function will + * return %FALSE and set @error. + * + * Return value: %TRUE if the function succeeds, %FALSE otherwise. + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_set_layer_point_sprite_coords_enabled() + * instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer_point_sprite_coords_enabled) +CoglBool +cogl_material_set_layer_point_sprite_coords_enabled (CoglMaterial *material, + int layer_index, + CoglBool enable, + CoglError **error); + +/** + * cogl_material_get_layer_point_sprite_coords_enabled: + * @material: a #CoglHandle to a material. + * @layer_index: the layer number to check. + * + * Gets whether point sprite coordinate generation is enabled for this + * texture layer. + * + * Return value: whether the texture coordinates will be replaced with + * point sprite coordinates. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_get_layer_point_sprite_coords_enabled() + * instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_layer_point_sprite_coords_enabled) +CoglBool +cogl_material_get_layer_point_sprite_coords_enabled (CoglMaterial *material, + int layer_index); + +/** + * cogl_material_get_layer_wrap_mode_s: + * @material: A #CoglMaterial object + * @layer_index: the layer number to change. + * + * Returns the wrap mode for the 's' coordinate of texture lookups on this + * layer. + * + * Return value: the wrap mode for the 's' coordinate of texture lookups on + * this layer. + * + * Since: 1.6 + * Deprecated: 1.16: Use cogl_pipeline_get_layer_wrap_mode_s() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_layer_wrap_mode_s) +CoglMaterialWrapMode +cogl_material_get_layer_wrap_mode_s (CoglMaterial *material, + int layer_index); + +/** + * cogl_material_set_layer_wrap_mode_s: + * @material: A #CoglMaterial object + * @layer_index: the layer number to change. + * @mode: the new wrap mode + * + * Sets the wrap mode for the 's' coordinate of texture lookups on this layer. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_set_layer_wrap_mode_s() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer_wrap_mode_s) +void +cogl_material_set_layer_wrap_mode_s (CoglMaterial *material, + int layer_index, + CoglMaterialWrapMode mode); + +/** + * cogl_material_get_layer_wrap_mode_t: + * @material: A #CoglMaterial object + * @layer_index: the layer number to change. + * + * Returns the wrap mode for the 't' coordinate of texture lookups on this + * layer. + * + * Return value: the wrap mode for the 't' coordinate of texture lookups on + * this layer. + * + * Since: 1.6 + * Deprecated: 1.16: Use cogl_pipeline_get_layer_wrap_mode_t() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_layer_wrap_mode_t) +CoglMaterialWrapMode +cogl_material_get_layer_wrap_mode_t (CoglMaterial *material, + int layer_index); + + +/** + * cogl_material_set_layer_wrap_mode_t: + * @material: A #CoglMaterial object + * @layer_index: the layer number to change. + * @mode: the new wrap mode + * + * Sets the wrap mode for the 't' coordinate of texture lookups on this layer. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_set_layer_wrap_mode_t() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer_wrap_mode_t) +void +cogl_material_set_layer_wrap_mode_t (CoglMaterial *material, + int layer_index, + CoglMaterialWrapMode mode); + +/** + * cogl_material_get_layer_wrap_mode_p: + * @material: A #CoglMaterial object + * @layer_index: the layer number to change. + * + * Returns the wrap mode for the 'p' coordinate of texture lookups on this + * layer. + * + * Return value: the wrap mode for the 'p' coordinate of texture lookups on + * this layer. + * + * Since: 1.6 + * Deprecated: 1.16: Use cogl_pipeline_get_layer_wrap_mode_p() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_layer_wrap_mode_p) +CoglMaterialWrapMode +cogl_material_get_layer_wrap_mode_p (CoglMaterial *material, + int layer_index); + +/** + * cogl_material_set_layer_wrap_mode_p: + * @material: A #CoglMaterial object + * @layer_index: the layer number to change. + * @mode: the new wrap mode + * + * Sets the wrap mode for the 'p' coordinate of texture lookups on + * this layer. 'p' is the third coordinate. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_set_layer_wrap_mode_p() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer_wrap_mode_p) +void +cogl_material_set_layer_wrap_mode_p (CoglMaterial *material, + int layer_index, + CoglMaterialWrapMode mode); + +/** + * cogl_material_set_layer_wrap_mode: + * @material: A #CoglMaterial object + * @layer_index: the layer number to change. + * @mode: the new wrap mode + * + * Sets the wrap mode for all three coordinates of texture lookups on + * this layer. This is equivalent to calling + * cogl_material_set_layer_wrap_mode_s(), + * cogl_material_set_layer_wrap_mode_t() and + * cogl_material_set_layer_wrap_mode_p() separately. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_set_layer_wrap_mode() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_layer_wrap_mode) +void +cogl_material_set_layer_wrap_mode (CoglMaterial *material, + int layer_index, + CoglMaterialWrapMode mode); + +/** + * cogl_material_layer_get_wrap_mode_s: + * @layer: A #CoglMaterialLayer object + * + * Gets the wrap mode for the 's' coordinate of texture lookups on this layer. + * + * Return value: the wrap mode value for the s coordinate. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_layer_get_wrap_mode_s() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_layer_get_wrap_mode_s) +CoglMaterialWrapMode +cogl_material_layer_get_wrap_mode_s (CoglMaterialLayer *layer); + +/** + * cogl_material_layer_get_wrap_mode_t: + * @layer: A #CoglMaterialLayer object + * + * Gets the wrap mode for the 't' coordinate of texture lookups on this layer. + * + * Return value: the wrap mode value for the t coordinate. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_layer_get_wrap_mode_t() instead + */ + +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_layer_get_wrap_mode_t) +CoglMaterialWrapMode +cogl_material_layer_get_wrap_mode_t (CoglMaterialLayer *layer); + +/** + * cogl_material_layer_get_wrap_mode_p: + * @layer: A #CoglMaterialLayer object + * + * Gets the wrap mode for the 'p' coordinate of texture lookups on + * this layer. 'p' is the third coordinate. + * + * Return value: the wrap mode value for the p coordinate. + * + * Since: 1.4 + * Deprecated: 1.16: Use cogl_pipeline_layer_get_wrap_mode_p() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_layer_get_wrap_mode_p) +CoglMaterialWrapMode +cogl_material_layer_get_wrap_mode_p (CoglMaterialLayer *layer); + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +/** + * cogl_material_set_depth_state: + * @material: A #CoglMaterial object + * @state: A #CoglDepthState struct + * @error: A #CoglError to report failures to setup the given @state. + * + * This commits all the depth state configured in @state struct to the + * given @material. The configuration values are copied into the + * material so there is no requirement to keep the #CoglDepthState + * struct around if you don't need it any more. + * + * Note: Since some platforms do not support the depth range feature + * it is possible for this function to fail and report an @error. + * + * Returns: TRUE if the GPU supports all the given @state else %FALSE + * and returns an @error. + * + * Since: 1.8 + * Stability: Unstable + * Deprecated: 1.16: Use cogl_pipeline_set_depth_state() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_set_depth_state) +CoglBool +cogl_material_set_depth_state (CoglMaterial *material, + const CoglDepthState *state, + CoglError **error); + +/** + * cogl_material_get_depth_state: + * @material: A #CoglMaterial object + * @state_out: A destination #CoglDepthState struct + * + * Retrieves the current depth state configuration for the given + * @pipeline as previously set using cogl_pipeline_set_depth_state(). + * + * Since: 2.0 + * Stability: Unstable + * Deprecated: 1.16: Use cogl_pipeline_get_depth_state() instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_pipeline_get_depth_state) +void +cogl_material_get_depth_state (CoglMaterial *material, + CoglDepthState *state_out); + +/** + * CoglMaterialLayerCallback: + * @material: The #CoglMaterial whos layers are being iterated + * @layer_index: The current layer index + * @user_data: The private data passed to cogl_material_foreach_layer() + * + * The callback prototype used with cogl_material_foreach_layer() for + * iterating all the layers of a @material. + * + * Since: 1.4 + * Stability: Unstable + * Deprecated: 1.16 + */ +typedef CoglBool (*CoglMaterialLayerCallback) (CoglMaterial *material, + int layer_index, + void *user_data); + +/** + * cogl_material_foreach_layer: + * @material: A #CoglMaterial object + * @callback: A #CoglMaterialLayerCallback to be called for each layer + * index + * @user_data: Private data that will be passed to the callback + * + * Iterates all the layer indices of the given @material. + * + * Since: 1.4 + * Stability: Unstable + * Deprecated: 1.16: No replacement + */ +COGL_DEPRECATED_IN_1_16 +void +cogl_material_foreach_layer (CoglMaterial *material, + CoglMaterialLayerCallback callback, + void *user_data); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +G_END_DECLS + +#endif /* __COGL_MATERIAL_H__ */ diff --git a/cogl/deprecated/cogl-program-private.h b/cogl/deprecated/cogl-program-private.h new file mode 100644 index 0000000..64ed72c --- /dev/null +++ b/cogl/deprecated/cogl-program-private.h @@ -0,0 +1,88 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_PROGRAM_H +#define __COGL_PROGRAM_H + +#include "cogl-object-private.h" +#include "cogl-shader-private.h" + +typedef struct _CoglProgram CoglProgram; + +struct _CoglProgram +{ + CoglHandleObject _parent; + + GSList *attached_shaders; + + GArray *custom_uniforms; + + /* An age counter that changes whenever the list of shaders is modified */ + unsigned int age; +}; + +typedef struct _CoglProgramUniform CoglProgramUniform; + +struct _CoglProgramUniform +{ + char *name; + CoglBoxedValue value; + /* The cached GL location for this uniform. This is only valid + between calls to _cogl_program_dirty_all_uniforms */ + GLint location; + /* Whether we have a location yet */ + unsigned int location_valid : 1; + /* Whether the uniform value has changed since the last time the + uniforms were flushed */ + unsigned int dirty : 1; +}; + +/* Internal function to flush the custom uniforms for the given use + program. This assumes the target GL program is already bound. The + gl_program still needs to be passed so that CoglProgram can query + the uniform locations. gl_program_changed should be set to TRUE if + we are flushing the uniforms against a different GL program from + the last time it was flushed. This will cause it to requery all of + the locations and assume that all uniforms are dirty */ +void +_cogl_program_flush_uniforms (CoglProgram *program, + GLuint gl_program, + CoglBool gl_program_changed); + +CoglShaderLanguage +_cogl_program_get_language (CoglHandle handle); + +CoglBool +_cogl_program_has_fragment_shader (CoglHandle handle); + +CoglBool +_cogl_program_has_vertex_shader (CoglHandle handle); + +#endif /* __COGL_PROGRAM_H */ diff --git a/cogl/deprecated/cogl-program.c b/cogl/deprecated/cogl-program.c new file mode 100644 index 0000000..9b44d35 --- /dev/null +++ b/cogl/deprecated/cogl-program.c @@ -0,0 +1,503 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + + +#include "cogl-util.h" +#include "cogl-util-gl-private.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" + +#include "cogl-shader-private.h" +#include "cogl-program-private.h" + +#include + +static void _cogl_program_free (CoglProgram *program); + +COGL_HANDLE_DEFINE (Program, program); +COGL_OBJECT_DEFINE_DEPRECATED_REF_COUNTING (program); + +/* A CoglProgram is effectively just a list of shaders that will be + used together and a set of values for the custom uniforms. No + actual GL program is created - instead this is the responsibility + of the GLSL material backend. The uniform values are collected in + an array and then flushed whenever the material backend requests + it. */ + +static void +_cogl_program_free (CoglProgram *program) +{ + int i; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* Unref all of the attached shaders */ + g_slist_foreach (program->attached_shaders, (GFunc) cogl_handle_unref, NULL); + /* Destroy the list */ + g_slist_free (program->attached_shaders); + + for (i = 0; i < program->custom_uniforms->len; i++) + { + CoglProgramUniform *uniform = + &g_array_index (program->custom_uniforms, CoglProgramUniform, i); + + g_free (uniform->name); + + if (uniform->value.count > 1) + g_free (uniform->value.v.array); + } + + g_array_free (program->custom_uniforms, TRUE); + + g_slice_free (CoglProgram, program); +} + +CoglHandle +cogl_create_program (void) +{ + CoglProgram *program; + + program = g_slice_new0 (CoglProgram); + + program->custom_uniforms = + g_array_new (FALSE, FALSE, sizeof (CoglProgramUniform)); + program->age = 0; + + return _cogl_program_handle_new (program); +} + +void +cogl_program_attach_shader (CoglHandle program_handle, + CoglHandle shader_handle) +{ + CoglProgram *program; + CoglShader *shader; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (!cogl_is_program (program_handle) || !cogl_is_shader (shader_handle)) + return; + + program = program_handle; + shader = shader_handle; + + /* Only one shader is allowed if the type is ARBfp */ + if (shader->language == COGL_SHADER_LANGUAGE_ARBFP) + _COGL_RETURN_IF_FAIL (program->attached_shaders == NULL); + else if (shader->language == COGL_SHADER_LANGUAGE_GLSL) + _COGL_RETURN_IF_FAIL (_cogl_program_get_language (program) == + COGL_SHADER_LANGUAGE_GLSL); + + program->attached_shaders + = g_slist_prepend (program->attached_shaders, + cogl_handle_ref (shader_handle)); + + program->age++; +} + +void +cogl_program_link (CoglHandle handle) +{ + /* There's no point in linking the program here because it will have + to be relinked with a different fixed functionality shader + whenever the settings change */ +} + +void +cogl_program_use (CoglHandle handle) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (handle == COGL_INVALID_HANDLE || + cogl_is_program (handle)); + + if (ctx->current_program == 0 && handle != 0) + ctx->legacy_state_set++; + else if (handle == 0 && ctx->current_program != 0) + ctx->legacy_state_set--; + + if (handle != COGL_INVALID_HANDLE) + cogl_handle_ref (handle); + if (ctx->current_program != COGL_INVALID_HANDLE) + cogl_handle_unref (ctx->current_program); + ctx->current_program = handle; +} + +int +cogl_program_get_uniform_location (CoglHandle handle, + const char *uniform_name) +{ + int i; + CoglProgram *program; + CoglProgramUniform *uniform; + + if (!cogl_is_program (handle)) + return -1; + + program = handle; + + /* We can't just ask the GL program object for the uniform location + directly because it will change every time the program is linked + with a different shader. Instead we make our own mapping of + uniform numbers and cache the names */ + for (i = 0; i < program->custom_uniforms->len; i++) + { + uniform = &g_array_index (program->custom_uniforms, + CoglProgramUniform, i); + + if (!strcmp (uniform->name, uniform_name)) + return i; + } + + /* Create a new uniform with the given name */ + g_array_set_size (program->custom_uniforms, + program->custom_uniforms->len + 1); + uniform = &g_array_index (program->custom_uniforms, + CoglProgramUniform, + program->custom_uniforms->len - 1); + + uniform->name = g_strdup (uniform_name); + memset (&uniform->value, 0, sizeof (CoglBoxedValue)); + uniform->dirty = TRUE; + uniform->location_valid = FALSE; + + return program->custom_uniforms->len - 1; +} + +static CoglProgramUniform * +cogl_program_modify_uniform (CoglProgram *program, + int uniform_no) +{ + CoglProgramUniform *uniform; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_program (program), NULL); + _COGL_RETURN_VAL_IF_FAIL (uniform_no >= 0 && + uniform_no < program->custom_uniforms->len, + NULL); + + uniform = &g_array_index (program->custom_uniforms, + CoglProgramUniform, uniform_no); + uniform->dirty = TRUE; + + return uniform; +} + +void +cogl_program_uniform_1f (int uniform_no, + float value) +{ + CoglProgramUniform *uniform; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + uniform = cogl_program_modify_uniform (ctx->current_program, uniform_no); + _cogl_boxed_value_set_1f (&uniform->value, value); +} + +void +cogl_program_set_uniform_1f (CoglHandle handle, + int uniform_location, + float value) +{ + CoglProgramUniform *uniform; + + uniform = cogl_program_modify_uniform (handle, uniform_location); + _cogl_boxed_value_set_1f (&uniform->value, value); +} + +void +cogl_program_uniform_1i (int uniform_no, + int value) +{ + CoglProgramUniform *uniform; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + uniform = cogl_program_modify_uniform (ctx->current_program, uniform_no); + _cogl_boxed_value_set_1i (&uniform->value, value); +} + +void +cogl_program_set_uniform_1i (CoglHandle handle, + int uniform_location, + int value) +{ + CoglProgramUniform *uniform; + + uniform = cogl_program_modify_uniform (handle, uniform_location); + _cogl_boxed_value_set_1i (&uniform->value, value); +} + +void +cogl_program_uniform_float (int uniform_no, + int size, + int count, + const float *value) +{ + CoglProgramUniform *uniform; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + uniform = cogl_program_modify_uniform (ctx->current_program, uniform_no); + _cogl_boxed_value_set_float (&uniform->value, size, count, value); +} + +void +cogl_program_set_uniform_float (CoglHandle handle, + int uniform_location, + int n_components, + int count, + const float *value) +{ + CoglProgramUniform *uniform; + + uniform = cogl_program_modify_uniform (handle, uniform_location); + _cogl_boxed_value_set_float (&uniform->value, n_components, count, value); +} + +void +cogl_program_uniform_int (int uniform_no, + int size, + int count, + const int *value) +{ + CoglProgramUniform *uniform; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + uniform = cogl_program_modify_uniform (ctx->current_program, uniform_no); + _cogl_boxed_value_set_int (&uniform->value, size, count, value); +} + +void +cogl_program_set_uniform_int (CoglHandle handle, + int uniform_location, + int n_components, + int count, + const int *value) +{ + CoglProgramUniform *uniform; + + uniform = cogl_program_modify_uniform (handle, uniform_location); + _cogl_boxed_value_set_int (&uniform->value, n_components, count, value); +} + +void +cogl_program_set_uniform_matrix (CoglHandle handle, + int uniform_location, + int dimensions, + int count, + CoglBool transpose, + const float *value) +{ + CoglProgramUniform *uniform; + + uniform = cogl_program_modify_uniform (handle, uniform_location); + _cogl_boxed_value_set_matrix (&uniform->value, + dimensions, + count, + transpose, + value); +} + +void +cogl_program_uniform_matrix (int uniform_no, + int size, + int count, + CoglBool transpose, + const float *value) +{ + CoglProgramUniform *uniform; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + uniform = cogl_program_modify_uniform (ctx->current_program, uniform_no); + _cogl_boxed_value_set_matrix (&uniform->value, size, count, transpose, value); +} + +/* ARBfp local parameters can be referenced like: + * + * "program.local[5]" + * ^14char offset (after whitespace is stripped) + */ +static int +get_local_param_index (const char *uniform_name) +{ + char *input = g_strdup (uniform_name); + int i; + char *p = input; + char *endptr; + int _index; + + for (i = 0; input[i] != '\0'; i++) + if (input[i] != '_' && input[i] != '\t') + *p++ = input[i]; + input[i] = '\0'; + + _COGL_RETURN_VAL_IF_FAIL (strncmp ("program.local[", input, 14) == 0, -1); + + _index = g_ascii_strtoull (input + 14, &endptr, 10); + _COGL_RETURN_VAL_IF_FAIL (endptr != input + 14, -1); + _COGL_RETURN_VAL_IF_FAIL (*endptr == ']', -1); + + _COGL_RETURN_VAL_IF_FAIL (_index >= 0, -1); + + g_free (input); + + return _index; +} + +#ifdef HAVE_COGL_GL + +static void +_cogl_program_flush_uniform_arbfp (GLint location, + CoglBoxedValue *value) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (value->type != COGL_BOXED_NONE) + { + _COGL_RETURN_IF_FAIL (value->type == COGL_BOXED_FLOAT); + _COGL_RETURN_IF_FAIL (value->size == 4); + _COGL_RETURN_IF_FAIL (value->count == 1); + + GE( ctx, glProgramLocalParameter4fv (GL_FRAGMENT_PROGRAM_ARB, location, + value->v.float_value) ); + } +} + +#endif /* HAVE_COGL_GL */ + +void +_cogl_program_flush_uniforms (CoglProgram *program, + GLuint gl_program, + CoglBool gl_program_changed) +{ + CoglProgramUniform *uniform; + int i; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _COGL_RETURN_IF_FAIL (ctx->driver != COGL_DRIVER_GLES1); + + for (i = 0; i < program->custom_uniforms->len; i++) + { + uniform = &g_array_index (program->custom_uniforms, + CoglProgramUniform, i); + + if (gl_program_changed || uniform->dirty) + { + if (gl_program_changed || !uniform->location_valid) + { + if (_cogl_program_get_language (program) == + COGL_SHADER_LANGUAGE_GLSL) + uniform->location = + ctx->glGetUniformLocation (gl_program, uniform->name); + else + uniform->location = + get_local_param_index (uniform->name); + + uniform->location_valid = TRUE; + } + + /* If the uniform isn't really in the program then there's + no need to actually set it */ + if (uniform->location != -1) + { + switch (_cogl_program_get_language (program)) + { + case COGL_SHADER_LANGUAGE_GLSL: + _cogl_boxed_value_set_uniform (ctx, + uniform->location, + &uniform->value); + break; + + case COGL_SHADER_LANGUAGE_ARBFP: +#ifdef HAVE_COGL_GL + _cogl_program_flush_uniform_arbfp (uniform->location, + &uniform->value); +#endif + break; + } + } + + uniform->dirty = FALSE; + } + } +} + +CoglShaderLanguage +_cogl_program_get_language (CoglHandle handle) +{ + CoglProgram *program = handle; + + /* Use the language of the first shader */ + + if (program->attached_shaders) + { + CoglShader *shader = program->attached_shaders->data; + return shader->language; + } + else + return COGL_SHADER_LANGUAGE_GLSL; +} + +static CoglBool +_cogl_program_has_shader_type (CoglProgram *program, + CoglShaderType type) +{ + GSList *l; + + for (l = program->attached_shaders; l; l = l->next) + { + CoglShader *shader = l->data; + + if (shader->type == type) + return TRUE; + } + + return FALSE; +} + +CoglBool +_cogl_program_has_fragment_shader (CoglHandle handle) +{ + return _cogl_program_has_shader_type (handle, COGL_SHADER_TYPE_FRAGMENT); +} + +CoglBool +_cogl_program_has_vertex_shader (CoglHandle handle) +{ + return _cogl_program_has_shader_type (handle, COGL_SHADER_TYPE_VERTEX); +} diff --git a/cogl/deprecated/cogl-shader-private.h b/cogl/deprecated/cogl-shader-private.h new file mode 100644 index 0000000..dcc16b9 --- /dev/null +++ b/cogl/deprecated/cogl-shader-private.h @@ -0,0 +1,72 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_SHADER_H +#define __COGL_SHADER_H + +#include "cogl-object-private.h" +#include "cogl-shader.h" +#include "cogl-gl-header.h" +#include "cogl-pipeline.h" + +typedef struct _CoglShader CoglShader; + +typedef enum +{ + COGL_SHADER_LANGUAGE_GLSL, + COGL_SHADER_LANGUAGE_ARBFP +} CoglShaderLanguage; + +struct _CoglShader +{ + CoglHandleObject _parent; + GLuint gl_handle; + CoglPipeline *compilation_pipeline; + CoglShaderType type; + CoglShaderLanguage language; + char *source; +}; + +void +_cogl_shader_compile_real (CoglHandle handle, + CoglPipeline *pipeline); + +CoglShaderLanguage +_cogl_program_get_language (CoglHandle handle); + +void +_cogl_shader_set_source_with_boilerplate (GLuint shader_gl_handle, + GLenum shader_gl_type, + int n_tex_coord_attribs, + GLsizei count_in, + const char **strings_in, + const GLint *lengths_in); + +#endif /* __COGL_SHADER_H */ diff --git a/cogl/deprecated/cogl-shader.c b/cogl/deprecated/cogl-shader.c new file mode 100644 index 0000000..08dcb82 --- /dev/null +++ b/cogl/deprecated/cogl-shader.c @@ -0,0 +1,377 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-shader-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-glsl-shader-private.h" +#include "cogl-glsl-shader-boilerplate.h" + +#include + +#include + +static void _cogl_shader_free (CoglShader *shader); + +COGL_HANDLE_DEFINE (Shader, shader); +COGL_OBJECT_DEFINE_DEPRECATED_REF_COUNTING (shader); + +#ifndef GL_FRAGMENT_SHADER +#define GL_FRAGMENT_SHADER 0x8B30 +#endif +#ifndef GL_VERTEX_SHADER +#define GL_VERTEX_SHADER 0x8B31 +#endif + +static void +_cogl_shader_free (CoglShader *shader) +{ + /* Frees shader resources but its handle is not + released! Do that separately before this! */ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + +#ifdef HAVE_COGL_GL + if (shader->language == COGL_SHADER_LANGUAGE_ARBFP) + { + if (shader->gl_handle) + GE (ctx, glDeletePrograms (1, &shader->gl_handle)); + } + else +#endif + if (shader->gl_handle) + GE (ctx, glDeleteShader (shader->gl_handle)); + + g_slice_free (CoglShader, shader); +} + +CoglHandle +cogl_create_shader (CoglShaderType type) +{ + CoglShader *shader; + + _COGL_GET_CONTEXT (ctx, COGL_INVALID_HANDLE); + + switch (type) + { + case COGL_SHADER_TYPE_VERTEX: + case COGL_SHADER_TYPE_FRAGMENT: + break; + default: + g_warning ("Unexpected shader type (0x%08lX) given to " + "cogl_create_shader", (unsigned long) type); + return COGL_INVALID_HANDLE; + } + + shader = g_slice_new (CoglShader); + shader->language = COGL_SHADER_LANGUAGE_GLSL; + shader->gl_handle = 0; + shader->compilation_pipeline = NULL; + shader->type = type; + + return _cogl_shader_handle_new (shader); +} + +static void +delete_shader (CoglShader *shader) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + +#ifdef HAVE_COGL_GL + if (shader->language == COGL_SHADER_LANGUAGE_ARBFP) + { + if (shader->gl_handle) + GE (ctx, glDeletePrograms (1, &shader->gl_handle)); + } + else +#endif + { + if (shader->gl_handle) + GE (ctx, glDeleteShader (shader->gl_handle)); + } + + shader->gl_handle = 0; + + if (shader->compilation_pipeline) + { + cogl_object_unref (shader->compilation_pipeline); + shader->compilation_pipeline = NULL; + } +} + +void +cogl_shader_source (CoglHandle handle, + const char *source) +{ + CoglShader *shader; + CoglShaderLanguage language; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (!cogl_is_shader (handle)) + return; + + shader = handle; + +#ifdef HAVE_COGL_GL + if (strncmp (source, "!!ARBfp1.0", 10) == 0) + language = COGL_SHADER_LANGUAGE_ARBFP; + else +#endif + language = COGL_SHADER_LANGUAGE_GLSL; + + /* Delete the old object if the language is changing... */ + if (G_UNLIKELY (language != shader->language) && + shader->gl_handle) + delete_shader (shader); + + shader->source = g_strdup (source); + + shader->language = language; +} + +void +cogl_shader_compile (CoglHandle handle) +{ + CoglShader *shader; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (!cogl_is_shader (handle)) + return; + +#ifdef HAVE_COGL_GL + shader = handle; + if (shader->language == COGL_SHADER_LANGUAGE_ARBFP) + _cogl_shader_compile_real (handle, NULL); +#endif + + /* XXX: For GLSL we don't actually compile anything until the shader + * gets used so we have an opportunity to add some boilerplate to + * the shader. + * + * At the end of the day this is obviously a badly designed API + * given that we are having to lie to the user. It was a mistake to + * so thinly wrap the OpenGL shader API and the current plan is to + * replace it with a pipeline snippets API. */ +} + +void +_cogl_shader_compile_real (CoglHandle handle, + CoglPipeline *pipeline) +{ + CoglShader *shader = handle; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + +#ifdef HAVE_COGL_GL + if (shader->language == COGL_SHADER_LANGUAGE_ARBFP) + { +#ifdef COGL_GL_DEBUG + GLenum gl_error; +#endif + + if (shader->gl_handle) + return; + + GE (ctx, glGenPrograms (1, &shader->gl_handle)); + + GE (ctx, glBindProgram (GL_FRAGMENT_PROGRAM_ARB, shader->gl_handle)); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_SHOW_SOURCE))) + g_message ("user ARBfp program:\n%s", shader->source); + +#ifdef COGL_GL_DEBUG + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; +#endif + ctx->glProgramString (GL_FRAGMENT_PROGRAM_ARB, + GL_PROGRAM_FORMAT_ASCII_ARB, + strlen (shader->source), + shader->source); +#ifdef COGL_GL_DEBUG + gl_error = ctx->glGetError (); + if (gl_error != GL_NO_ERROR) + { + g_warning ("%s: GL error (%d): Failed to compile ARBfp:\n%s\n%s", + G_STRLOC, + gl_error, + shader->source, + ctx->glGetString (GL_PROGRAM_ERROR_STRING_ARB)); + } +#endif + } + else +#endif + { + GLenum gl_type; + GLint status; + + if (shader->gl_handle) + { + CoglPipeline *prev = shader->compilation_pipeline; + + /* XXX: currently the only things that will affect the + * boilerplate for user shaders, apart from driver features, + * are the pipeline layer-indices and texture-unit-indices + */ + if (pipeline == prev || + _cogl_pipeline_layer_and_unit_numbers_equal (prev, pipeline)) + return; + } + + if (shader->gl_handle) + delete_shader (shader); + + switch (shader->type) + { + case COGL_SHADER_TYPE_VERTEX: + gl_type = GL_VERTEX_SHADER; + break; + case COGL_SHADER_TYPE_FRAGMENT: + gl_type = GL_FRAGMENT_SHADER; + break; + default: + g_assert_not_reached (); + break; + } + + shader->gl_handle = ctx->glCreateShader (gl_type); + + _cogl_glsl_shader_set_source_with_boilerplate (ctx, + shader->gl_handle, + gl_type, + pipeline, + 1, + (const char **) + &shader->source, + NULL); + + GE (ctx, glCompileShader (shader->gl_handle)); + + shader->compilation_pipeline = cogl_object_ref (pipeline); + + GE (ctx, glGetShaderiv (shader->gl_handle, GL_COMPILE_STATUS, &status)); + if (!status) + { + char buffer[512]; + int len = 0; + + ctx->glGetShaderInfoLog (shader->gl_handle, 511, &len, buffer); + buffer[len] = '\0'; + + g_warning ("Failed to compile GLSL program:\n" + "src:\n%s\n" + "error:\n%s\n", + shader->source, + buffer); + } + } +} + +char * +cogl_shader_get_info_log (CoglHandle handle) +{ + if (!cogl_is_shader (handle)) + return NULL; + + /* XXX: This API doesn't really do anything! + * + * This API is purely for compatibility + * + * The reason we don't do anything is because a shader needs to + * be associated with a CoglPipeline for Cogl to be able to + * compile and link anything. + * + * The way this API was originally designed as a very thin wrapper + * over the GL api was a mistake and it's now very difficult to + * make the API work in a meaningful way given how the rest of Cogl + * has evolved. + * + * The CoglShader API is mostly deprecated by CoglSnippets and so + * these days we do the bare minimum to support the existing users + * of it until they are able to migrate to the snippets api. + */ + + return g_strdup (""); +} + +CoglShaderType +cogl_shader_get_type (CoglHandle handle) +{ + CoglShader *shader; + + _COGL_GET_CONTEXT (ctx, COGL_SHADER_TYPE_VERTEX); + + if (!cogl_is_shader (handle)) + { + g_warning ("Non shader handle type passed to cogl_shader_get_type"); + return COGL_SHADER_TYPE_VERTEX; + } + + shader = handle; + return shader->type; +} + +CoglBool +cogl_shader_is_compiled (CoglHandle handle) +{ +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES2) + if (!cogl_is_shader (handle)) + return FALSE; + + /* XXX: This API doesn't really do anything! + * + * This API is purely for compatibility and blatantly lies to the + * user about whether their shader has been compiled. + * + * I suppose we could say we're stretching the definition of + * "compile" and are deferring any related errors to be "linker" + * errors. + * + * The reason we don't do anything is because a shader needs to + * be associated with a CoglPipeline for Cogl to be able to + * compile and link anything. + * + * The CoglShader API is mostly deprecated by CoglSnippets and so + * these days we do the bare minimum to support the existing users + * of it until they are able to migrate to the snippets api. + */ + + return TRUE; + +#else + return FALSE; +#endif +} diff --git a/cogl/deprecated/cogl-shader.h b/cogl/deprecated/cogl-shader.h new file mode 100644 index 0000000..af225e8 --- /dev/null +++ b/cogl/deprecated/cogl-shader.h @@ -0,0 +1,704 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_SHADER_H__ +#define __COGL_SHADER_H__ + +#include +#include +#include + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-shaders + * @short_description: Fuctions for accessing the programmable GL pipeline + * + * Cogl allows accessing the GL programmable pipeline in order to create + * vertex and fragment shaders. + * + * The shader source code can either be GLSL or ARBfp. If the source + * code is ARBfp, it must begin with the string “!!ARBfp1.0”. The + * application should check for the %COGL_FEATURE_SHADERS_GLSL or + * %COGL_FEATURE_SHADERS_ARBFP features before using shaders. + * + * When using GLSL Cogl provides replacement names for most of the + * builtin varyings and uniforms. It is recommended to use these names + * wherever possible to increase portability between OpenGL 2.0 and + * GLES 2.0. GLES 2.0 does not have most of the builtins under their + * original names so they will only work with the Cogl names. + * + * For use in all GLSL shaders, the Cogl builtins are as follows: + * + * + * + * + * uniform mat4 + * cogl_modelview_matrix + * + * The current modelview matrix. This is equivalent to + * #gl_ModelViewMatrix. + * + * + * + * uniform mat4 + * cogl_projection_matrix + * + * The current projection matrix. This is equivalent to + * #gl_ProjectionMatrix. + * + * + * + * uniform mat4 + * cogl_modelview_projection_matrix + * + * The combined modelview and projection matrix. A vertex shader + * would typically use this to transform the incoming vertex + * position. The separate modelview and projection matrices are + * usually only needed for lighting calculations. This is + * equivalent to #gl_ModelViewProjectionMatrix. + * + * + * + * uniform mat4 + * cogl_texture_matrix[] + * + * An array of matrices for transforming the texture + * coordinates. This is equivalent to #gl_TextureMatrix. + * + * + * + * + * + * In a vertex shader, the following are also available: + * + * + * + * + * attribute vec4 + * cogl_position_in + * + * The incoming vertex position. This is equivalent to #gl_Vertex. + * + * + * + * attribute vec4 + * cogl_color_in + * + * The incoming vertex color. This is equivalent to #gl_Color. + * + * + * + * attribute vec4 + * cogl_tex_coord_in + * + * The texture coordinate for the first texture unit. This is + * equivalent to #gl_MultiTexCoord0. + * + * + * + * attribute vec4 + * cogl_tex_coord0_in + * + * The texture coordinate for the first texture unit. This is + * equivalent to #gl_MultiTexCoord0. There is also + * #cogl_tex_coord1_in and so on. + * + * + * + * attribute vec3 + * cogl_normal_in + * + * The normal of the vertex. This is equivalent to #gl_Normal. + * + * + * + * vec4 + * cogl_position_out + * + * The calculated position of the vertex. This must be written to + * in all vertex shaders. This is equivalent to #gl_Position. + * + * + * + * float + * cogl_point_size_out + * + * The calculated size of a point. This is equivalent to #gl_PointSize. + * + * + * + * varying vec4 + * cogl_color_out + * + * The calculated color of a vertex. This is equivalent to #gl_FrontColor. + * + * + * + * varying vec4 + * cogl_tex_coord_out[] + * + * An array of calculated texture coordinates for a vertex. This is + * equivalent to #gl_TexCoord. + * + * + * + * + * + * In a fragment shader, the following are also available: + * + * + * + * + * varying vec4 cogl_color_in + * + * The calculated color of a vertex. This is equivalent to #gl_FrontColor. + * + * + * + * varying vec4 + * cogl_tex_coord_in[] + * + * An array of calculated texture coordinates for a vertex. This is + * equivalent to #gl_TexCoord. + * + * + * + * vec4 cogl_color_out + * + * The final calculated color of the fragment. All fragment shaders + * must write to this variable. This is equivalent to + * #gl_FrontColor. + * + * + * + * float cogl_depth_out + * + * An optional output variable specifying the depth value to use + * for this fragment. This is equivalent to #gl_FragDepth. + * + * + * + * bool cogl_front_facing + * + * A readonly variable that will be true if the current primitive + * is front facing. This can be used to implement two-sided + * coloring algorithms. This is equivalent to #gl_FrontFacing. + * + * + * + * + * + * It's worth nothing that this API isn't what Cogl would like to have + * in the long term and it may be removed in Cogl 2.0. The + * experimental #CoglShader API is the proposed replacement. + */ + +/** + * CoglShaderType: + * @COGL_SHADER_TYPE_VERTEX: A program for proccessing vertices + * @COGL_SHADER_TYPE_FRAGMENT: A program for processing fragments + * + * Types of shaders + * + * Since: 1.0 + */ +typedef enum { + COGL_SHADER_TYPE_VERTEX, + COGL_SHADER_TYPE_FRAGMENT +} CoglShaderType; + +/** + * cogl_create_shader: + * @shader_type: COGL_SHADER_TYPE_VERTEX or COGL_SHADER_TYPE_FRAGMENT. + * + * Create a new shader handle, use cogl_shader_source() to set the + * source code to be used on it. + * + * Returns: a new shader handle. + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +CoglHandle +cogl_create_shader (CoglShaderType shader_type); + +/** + * cogl_shader_ref: + * @handle: A #CoglHandle to a shader. + * + * Add an extra reference to a shader. + * + * Returns: @handle + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +CoglHandle +cogl_shader_ref (CoglHandle handle); + +/** + * cogl_shader_unref: + * @handle: A #CoglHandle to a shader. + * + * Removes a reference to a shader. If it was the last reference the + * shader object will be destroyed. + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_shader_unref (CoglHandle handle); + +/** + * cogl_is_shader: + * @handle: A CoglHandle + * + * Gets whether the given handle references an existing shader object. + * + * Returns: %TRUE if the handle references a shader, + * %FALSE otherwise + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +CoglBool +cogl_is_shader (CoglHandle handle); + +/** + * cogl_shader_source: + * @shader: #CoglHandle for a shader. + * @source: Shader source. + * + * Replaces the current source associated with a shader with a new + * one. + * + * Please see above + * for a description of the recommended format for the shader code. + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_shader_source (CoglHandle shader, + const char *source); + +/** + * cogl_shader_compile: + * @handle: #CoglHandle for a shader. + * + * Compiles the shader, no return value, but the shader is now ready + * for linking into a program. Note that calling this function is + * optional. If it is not called then the shader will be automatically + * compiled when it is linked. + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_shader_compile (CoglHandle handle); + +/** + * cogl_shader_get_info_log: + * @handle: #CoglHandle for a shader. + * + * Retrieves the information log for a coglobject, can be used in conjunction + * with cogl_shader_get_parameteriv() to retrieve the compiler warnings/error + * messages that caused a shader to not compile correctly, mainly useful for + * debugging purposes. + * + * Return value: a newly allocated string containing the info log. Use + * g_free() to free it + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +char * +cogl_shader_get_info_log (CoglHandle handle); + +/** + * cogl_shader_get_type: + * @handle: #CoglHandle for a shader. + * + * Retrieves the type of a shader #CoglHandle + * + * Return value: %COGL_SHADER_TYPE_VERTEX if the shader is a vertex processor + * or %COGL_SHADER_TYPE_FRAGMENT if the shader is a frament processor + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +CoglShaderType +cogl_shader_get_type (CoglHandle handle); + +/** + * cogl_shader_is_compiled: + * @handle: #CoglHandle for a shader. + * + * Retrieves whether a shader #CoglHandle has been compiled + * + * Return value: %TRUE if the shader object has sucessfully be compiled + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +CoglBool +cogl_shader_is_compiled (CoglHandle handle); + +/** + * cogl_create_program: + * + * Create a new cogl program object that can be used to replace parts of the GL + * rendering pipeline with custom code. + * + * Returns: a new cogl program. + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +CoglHandle +cogl_create_program (void); + +/** + * cogl_program_ref: + * @handle: A #CoglHandle to a program. + * + * Add an extra reference to a program. + * + * Deprecated: 1.0: Please use cogl_object_ref() instead. + * + * Returns: @handle + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +CoglHandle +cogl_program_ref (CoglHandle handle); + +/** + * cogl_program_unref: + * @handle: A #CoglHandle to a program. + * + * Removes a reference to a program. If it was the last reference the + * program object will be destroyed. + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_unref (CoglHandle handle); + +/** + * cogl_is_program: + * @handle: A CoglHandle + * + * Gets whether the given handle references an existing program object. + * + * Returns: %TRUE if the handle references a program, + * %FALSE otherwise + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +CoglBool +cogl_is_program (CoglHandle handle); + +/** + * cogl_program_attach_shader: + * @program_handle: a #CoglHandle for a shdaer program. + * @shader_handle: a #CoglHandle for a vertex of fragment shader. + * + * Attaches a shader to a program object. A program can have multiple + * vertex or fragment shaders but only one of them may provide a + * main() function. It is allowed to use a program with only a vertex + * shader or only a fragment shader. + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_attach_shader (CoglHandle program_handle, + CoglHandle shader_handle); + +/** + * cogl_program_link: + * @handle: a #CoglHandle for a shader program. + * + * Links a program making it ready for use. Note that calling this + * function is optional. If it is not called the program will + * automatically be linked the first time it is used. + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_link (CoglHandle handle); + +/** + * cogl_program_use: + * @handle: a #CoglHandle for a shader program or %COGL_INVALID_HANDLE. + * + * Activate a specific shader program replacing that part of the GL + * rendering pipeline, if passed in %COGL_INVALID_HANDLE the default + * behavior of GL is reinstated. + * + * This function affects the global state of the current Cogl + * context. It is much more efficient to attach the shader to a + * specific material used for rendering instead by calling + * cogl_material_set_user_program(). + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_use (CoglHandle handle); + +/** + * cogl_program_get_uniform_location: + * @handle: a #CoglHandle for a shader program. + * @uniform_name: the name of a uniform. + * + * Retrieve the location (offset) of a uniform variable in a shader program, + * a uniform is a variable that is constant for all vertices/fragments for a + * shader object and is possible to modify as an external parameter. + * + * Return value: the offset of a uniform in a specified program. + * This uniform can be set using cogl_program_uniform_1f() when the + * program is in use. + * Deprecated: 1.16: Use #CoglSnippet api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +int +cogl_program_get_uniform_location (CoglHandle handle, + const char *uniform_name); + +/** + * cogl_program_set_uniform_1f: + * @program: A #CoglHandle for a linked program + * @uniform_location: the uniform location retrieved from + * cogl_program_get_uniform_location(). + * @value: the new value of the uniform. + * + * Changes the value of a floating point uniform for the given linked + * @program. + * + * Since: 1.4 + * Deprecated: 1.16: Use #CoglSnippet api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_set_uniform_1f (CoglHandle program, + int uniform_location, + float value); + +/** + * cogl_program_set_uniform_1i: + * @program: A #CoglHandle for a linked program + * @uniform_location: the uniform location retrieved from + * cogl_program_get_uniform_location(). + * @value: the new value of the uniform. + * + * Changes the value of an integer uniform for the given linked + * @program. + * + * Since: 1.4 + * Deprecated: 1.16: Use #CoglSnippet api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_set_uniform_1i (CoglHandle program, + int uniform_location, + int value); + +/** + * cogl_program_set_uniform_float: + * @program: A #CoglHandle for a linked program + * @uniform_location: the uniform location retrieved from + * cogl_program_get_uniform_location(). + * @n_components: The number of components for the uniform. For + * example with glsl you'd use 3 for a vec3 or 4 for a vec4. + * @count: For uniform arrays this is the array length otherwise just + * pass 1 + * @value: (array length=count): the new value of the uniform[s]. + * + * Changes the value of a float vector uniform, or uniform array for + * the given linked @program. + * + * Since: 1.4 + * Deprecated: 1.16: Use #CoglSnippet api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_set_uniform_float (CoglHandle program, + int uniform_location, + int n_components, + int count, + const float *value); + +/** + * cogl_program_set_uniform_int: + * @program: A #CoglHandle for a linked program + * @uniform_location: the uniform location retrieved from + * cogl_program_get_uniform_location(). + * @n_components: The number of components for the uniform. For + * example with glsl you'd use 3 for a vec3 or 4 for a vec4. + * @count: For uniform arrays this is the array length otherwise just + * pass 1 + * @value: (array length=count): the new value of the uniform[s]. + * + * Changes the value of a int vector uniform, or uniform array for + * the given linked @program. + * + * Since: 1.4 + * Deprecated: 1.16: Use #CoglSnippet api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_set_uniform_int (CoglHandle program, + int uniform_location, + int n_components, + int count, + const int *value); + +/** + * cogl_program_set_uniform_matrix: + * @program: A #CoglHandle for a linked program + * @uniform_location: the uniform location retrieved from + * cogl_program_get_uniform_location(). + * @dimensions: The dimensions of the matrix. So for for example pass + * 2 for a 2x2 matrix or 3 for 3x3. + * @count: For uniform arrays this is the array length otherwise just + * pass 1 + * @transpose: Whether to transpose the matrix when setting the uniform. + * @value: (array length=count): the new value of the uniform. + * + * Changes the value of a matrix uniform, or uniform array in the + * given linked @program. + * + * Since: 1.4 + * Deprecated: 1.16: Use #CoglSnippet api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_set_uniform_matrix (CoglHandle program, + int uniform_location, + int dimensions, + int count, + CoglBool transpose, + const float *value); + +/** + * cogl_program_uniform_1f: + * @uniform_no: the uniform to set. + * @value: the new value of the uniform. + * + * Changes the value of a floating point uniform in the currently + * used (see cogl_program_use()) shader program. + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_uniform_1f (int uniform_no, + float value); + +/** + * cogl_program_uniform_1i: + * @uniform_no: the uniform to set. + * @value: the new value of the uniform. + * + * Changes the value of an integer uniform in the currently + * used (see cogl_program_use()) shader program. + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_uniform_1i (int uniform_no, + int value); + +/** + * cogl_program_uniform_float: + * @uniform_no: the uniform to set. + * @size: Size of float vector. + * @count: Size of array of uniforms. + * @value: (array length=count): the new value of the uniform. + * + * Changes the value of a float vector uniform, or uniform array in the + * currently used (see cogl_program_use()) shader program. + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_uniform_float (int uniform_no, + int size, + int count, + const float *value); + +/** + * cogl_program_uniform_int: + * @uniform_no: the uniform to set. + * @size: Size of int vector. + * @count: Size of array of uniforms. + * @value: (array length=count): the new value of the uniform. + * + * Changes the value of a int vector uniform, or uniform array in the + * currently used (see cogl_program_use()) shader program. + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_uniform_int (int uniform_no, + int size, + int count, + const int *value); + +/** + * cogl_program_uniform_matrix: + * @uniform_no: the uniform to set. + * @size: Size of matrix. + * @count: Size of array of uniforms. + * @transpose: Whether to transpose the matrix when setting the uniform. + * @value: (array length=count): the new value of the uniform. + * + * Changes the value of a matrix uniform, or uniform array in the + * currently used (see cogl_program_use()) shader program. The @size + * parameter is used to determine the square size of the matrix. + * + * Deprecated: 1.16: Use #CoglSnippet api + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_snippet_) +void +cogl_program_uniform_matrix (int uniform_no, + int size, + int count, + CoglBool transpose, + const float *value); + +COGL_END_DECLS + +#endif /* __COGL_SHADER_H__ */ diff --git a/cogl/deprecated/cogl-texture-deprecated.c b/cogl/deprecated/cogl-texture-deprecated.c new file mode 100644 index 0000000..d18a013 --- /dev/null +++ b/cogl/deprecated/cogl-texture-deprecated.c @@ -0,0 +1,85 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2014 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#include + +#include "cogl-types.h" +#include "cogl-texture.h" +#include "cogl-texture-private.h" +#include "cogl-object-private.h" +#include "deprecated/cogl-texture-deprecated.h" + +CoglPixelFormat +cogl_texture_get_format (CoglTexture *texture) +{ + return _cogl_texture_get_format (texture); +} + +unsigned int +cogl_texture_get_rowstride (CoglTexture *texture) +{ + CoglPixelFormat format = cogl_texture_get_format (texture); + /* FIXME: This function should go away. It previously just returned + the rowstride that was used to upload the data as far as I can + tell. This is not helpful */ + + /* Just guess at a suitable rowstride */ + return (_cogl_pixel_format_get_bytes_per_pixel (format) + * cogl_texture_get_width (texture)); +} + +void * +cogl_texture_ref (void *object) +{ + if (!cogl_is_texture (object)) + return NULL; + + _COGL_OBJECT_DEBUG_REF (CoglTexture, object); + + cogl_object_ref (object); + + return object; +} + +void +cogl_texture_unref (void *object) +{ + if (!cogl_is_texture (object)) + { + g_warning (G_STRINGIFY (cogl_texture_unref) + ": Ignoring unref of CoglObject " + "due to type mismatch"); + return; + } + + _COGL_OBJECT_DEBUG_UNREF (CoglTexture, object); + + cogl_object_unref (object); +} diff --git a/cogl/deprecated/cogl-texture-deprecated.h b/cogl/deprecated/cogl-texture-deprecated.h new file mode 100644 index 0000000..4ab824d --- /dev/null +++ b/cogl/deprecated/cogl-texture-deprecated.h @@ -0,0 +1,105 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2014 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_TEXTURE_DEPRECATED_H__ +#define __COGL_TEXTURE_DEPRECATED_H__ + +/** + * cogl_texture_get_format: + * @texture: a #CoglTexture pointer. + * + * Queries the #CoglPixelFormat of a cogl texture. + * + * Return value: the #CoglPixelFormat of the GPU side texture + * Deprecated: 1.18: This api is misleading + */ +COGL_DEPRECATED_IN_1_18 +CoglPixelFormat +cogl_texture_get_format (CoglTexture *texture); + +/** + * cogl_texture_get_rowstride: + * @texture a #CoglTexture pointer. + * + * Determines the bytes-per-pixel for the #CoglPixelFormat retrieved + * from cogl_texture_get_format() and multiplies that by the texture's + * width. + * + * It's very unlikely that anyone would need to use this API to + * query the internal rowstride of a #CoglTexture which can just be + * considered an implementation detail. Actually it's not even useful + * internally since underlying drivers are free to use a different + * format + * + * This API is only here for backwards compatibility and + * shouldn't be used in new code. In particular please don't be + * mislead to pass the returned value to cogl_texture_get_data() for + * the rowstride, since you should be passing the rowstride you desire + * for your destination buffer not the rowstride of the source + * texture. + * + * Return value: The bytes-per-pixel for the current format + * multiplied by the texture's width + * + * Deprecated: 1.10: There's no replacement for the API but there's + * also no known need for API either. It was just + * a mistake that it was ever published. + */ +COGL_DEPRECATED_IN_1_10 +unsigned int +cogl_texture_get_rowstride (CoglTexture *texture); + +/** + * cogl_texture_ref: (skip) + * @texture: a #CoglTexture. + * + * Increment the reference count for a cogl texture. + * + * Deprecated: 1.2: Use cogl_object_ref() instead + * + * Return value: the @texture pointer. + */ +COGL_DEPRECATED_FOR (cogl_object_ref) +void * +cogl_texture_ref (void *texture); + +/** + * cogl_texture_unref: (skip) + * @texture: a #CoglTexture. + * + * Decrement the reference count for a cogl texture. + * + * Deprecated: 1.2: Use cogl_object_unref() instead + */ +COGL_DEPRECATED_FOR (cogl_object_unref) +void +cogl_texture_unref (void *texture); + +#endif /* __COGL_TEXTURE_DEPRECATED_H__ */ diff --git a/cogl/deprecated/cogl-type-casts.h b/cogl/deprecated/cogl-type-casts.h new file mode 100644 index 0000000..ae716e7 --- /dev/null +++ b/cogl/deprecated/cogl-type-casts.h @@ -0,0 +1,53 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_TYPE_CASTS_H__ +#define __COGL_TYPE_CASTS_H__ + +/* The various interface types in Cogl used to be more strongly typed + * which required lots type casting by developers. We provided + * macros for performing these casts following a widely used Gnome + * coding style. Since we now consistently typedef these interfaces + * as void for the public C api and use runtime type checking to + * catch programming errors the casts have become redundant and + * so these macros are only kept for compatibility... + */ + +#define COGL_FRAMEBUFFER(X) (X) +#define COGL_BUFFER(X) (X) +#define COGL_TEXTURE(X) (X) +#define COGL_META_TEXTURE(X) (X) +#define COGL_PRIMITIVE_TEXTURE(X) (X) + +#endif /* __COGL_TYPE_CASTS_H__ */ diff --git a/cogl/deprecated/cogl-vertex-buffer-private.h b/cogl/deprecated/cogl-vertex-buffer-private.h new file mode 100644 index 0000000..f803bbb --- /dev/null +++ b/cogl/deprecated/cogl-vertex-buffer-private.h @@ -0,0 +1,165 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_VERTEX_BUFFER_H +#define __COGL_VERTEX_BUFFER_H + +#include "cogl-object-private.h" + +#include "cogl-primitive.h" + +#include + +/* Note we put quite a bit into the flags here to help keep + * the down size of the CoglVertexBufferAttrib struct below. */ +typedef enum _CoglVertexBufferAttribFlags +{ + /* Types */ + /* NB: update the _TYPE_MASK below if these are changed */ + COGL_VERTEX_BUFFER_ATTRIB_FLAG_COLOR_ARRAY = 1<<0, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_NORMAL_ARRAY = 1<<1, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_TEXTURE_COORD_ARRAY = 1<<2, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_VERTEX_ARRAY = 1<<3, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_CUSTOM_ARRAY = 1<<4, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_INVALID = 1<<5, + + COGL_VERTEX_BUFFER_ATTRIB_FLAG_NORMALIZED = 1<<6, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_ENABLED = 1<<7, + + /* Usage hints */ + /* FIXME - flatten into one flag, since its used as a boolean */ + COGL_VERTEX_BUFFER_ATTRIB_FLAG_INFREQUENT_RESUBMIT = 1<<8, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_FREQUENT_RESUBMIT = 1<<9, + + /* GL Data types */ + /* NB: Update the _GL_TYPE_MASK below if these are changed */ + COGL_VERTEX_BUFFER_ATTRIB_FLAG_GL_TYPE_BYTE = 1<<10, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_GL_TYPE_UNSIGNED_BYTE = 1<<11, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_GL_TYPE_SHORT = 1<<12, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_GL_TYPE_UNSIGNED_SHORT = 1<<13, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_GL_TYPE_INT = 1<<14, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_GL_TYPE_UNSIGNED_INT = 1<<15, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_GL_TYPE_FLOAT = 1<<16, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_GL_TYPE_DOUBLE = 1<<17, + + COGL_VERTEX_BUFFER_ATTRIB_FLAG_SUBMITTED = 1<<18, + COGL_VERTEX_BUFFER_ATTRIB_FLAG_UNUSED = 1<<19 + + /* XXX NB: If we need > 24 bits then look at changing the layout + * of struct _CoglVertexBufferAttrib below */ +} CoglVertexBufferAttribFlags; + +#define COGL_VERTEX_BUFFER_ATTRIB_FLAG_TYPE_MASK \ + (COGL_VERTEX_BUFFER_ATTRIB_FLAG_COLOR_ARRAY \ + | COGL_VERTEX_BUFFER_ATTRIB_FLAG_NORMAL_ARRAY \ + | COGL_VERTEX_BUFFER_ATTRIB_FLAG_TEXTURE_COORD_ARRAY \ + | COGL_VERTEX_BUFFER_ATTRIB_FLAG_VERTEX_ARRAY \ + | COGL_VERTEX_BUFFER_ATTRIB_FLAG_CUSTOM_ARRAY \ + | COGL_VERTEX_BUFFER_ATTRIB_FLAG_INVALID) + +typedef struct _CoglVertexBufferAttrib +{ + /* TODO: look at breaking up the flags into seperate + * bitfields and seperate enums */ + CoglVertexBufferAttribFlags flags:24; + uint8_t id; + GQuark name; + char *name_without_detail; + union _u + { + const void *pointer; + size_t vbo_offset; + } u; + CoglAttributeType type; + size_t span_bytes; + uint16_t stride; + uint8_t n_components; + uint8_t texture_unit; + + int attribute_first; + CoglAttribute *attribute; + +} CoglVertexBufferAttrib; + +typedef enum _CoglVertexBufferVBOFlags +{ + COGL_VERTEX_BUFFER_VBO_FLAG_STRIDED = 1<<0, + COGL_VERTEX_BUFFER_VBO_FLAG_MULTIPACK = 1<<1, + + /* FIXME - flatten into one flag, since its used as a boolean */ + COGL_VERTEX_BUFFER_VBO_FLAG_INFREQUENT_RESUBMIT = 1<<3, + COGL_VERTEX_BUFFER_VBO_FLAG_FREQUENT_RESUBMIT = 1<<4, + + COGL_VERTEX_BUFFER_VBO_FLAG_SUBMITTED = 1<<5 +} CoglVertexBufferVBOFlags; + +/* + * A CoglVertexBufferVBO represents one or more attributes in a single + * buffer object + */ +typedef struct _CoglVertexBufferVBO +{ + CoglVertexBufferVBOFlags flags; + + CoglAttributeBuffer *attribute_buffer; + size_t buffer_bytes; + + GList *attributes; +} CoglVertexBufferVBO; + +typedef struct _CoglVertexBufferIndices +{ + CoglHandleObject _parent; + + CoglIndices *indices; +} CoglVertexBufferIndices; + +typedef struct _CoglVertexBuffer +{ + CoglHandleObject _parent; + + int n_vertices; /*!< The number of vertices in the buffer */ + GList *submitted_vbos; /* The VBOs currently submitted to the GPU */ + + /* Note: new_attributes is normally NULL and only valid while + * modifying a buffer. */ + GList *new_attributes; /*!< attributes pending submission */ + + CoglBool dirty_attributes; + + CoglPrimitive *primitive; + +} CoglVertexBuffer; + +#endif /* __COGL_VERTEX_BUFFER_H */ + diff --git a/cogl/deprecated/cogl-vertex-buffer.c b/cogl/deprecated/cogl-vertex-buffer.c new file mode 100644 index 0000000..b51db13 --- /dev/null +++ b/cogl/deprecated/cogl-vertex-buffer.c @@ -0,0 +1,1795 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +/* XXX: For an overview of the functionality implemented here, please + * see cogl-vertex-buffer.h, which contains the gtk-doc section overview + * for the Vertex Buffers API. + */ + +/* + * TODO: We need to do a better job of minimizing when we call glVertexPointer + * and pals in enable_state_for_drawing_buffer + * + * We should have an internal 2-tuple cache of (VBO, offset) for each of them + * so we can avoid some GL calls. We could have cogl wrappers for the + * gl*Pointer funcs that look like this: + * + * cogl_vertex_pointer (n_components, gl_type, stride, vbo, offset); + * cogl_color_pointer (n_components, gl_type, stride, vbo, offset); + * + * They would also accept NULL for the VBO handle to support old style vertex + * arrays. + * + * TODO: + * Actually hook this up to the cogl shaders infrastructure. The vertex + * buffer API has been designed to allow adding of arbitrary attributes for use + * with shaders, but this has yet to be actually plumbed together and tested. + * The bits we are missing: + * - cogl_program_use doesn't currently record within ctx-> which program + * is currently in use so a.t.m only Clutter knows the current shader. + * - We don't query the current shader program for the generic vertex indices + * (using glGetAttribLocation) so that we can call glEnableVertexAttribArray + * with those indices. + * (currently we just make up consecutive indices) + * - some dirty flag mechanims to know when the shader program has changed + * so we don't need to re-query it each time we draw a buffer. + * + * TODO + * Expose API that lets developers get back a buffer handle for a particular + * polygon so they may add custom attributes to them. + * - It should be possible to query/modify attributes efficiently, in place, + * avoiding copies. It would not be acceptable to simply require that + * developers must query back the n_vertices of a buffer and then the + * n_components, type and stride etc of each attribute since there + * would be too many combinations to realistically handle. + * + * - In practice, some cases might be best solved with a higher level + * EditableMesh API, (see futher below) but for many cases I think an + * API like this might be appropriate: + * + * cogl_vertex_buffer_foreach_vertex (buffer_handle, + * (AttributesBufferIteratorFunc)callback, + * "gl_Vertex", "gl_Color", NULL); + * static void callback (CoglVertexBufferVertex *vert) + * { + * GLfloat *pos = vert->attrib[0]; + * GLubyte *color = vert->attrib[1]; + * GLfloat *new_attrib = buf[vert->index]; + * + * new_attrib = pos*color; + * } + * + * TODO + * Think about a higher level Mesh API for building/modifying attribute buffers + * - E.g. look at Blender for inspiration here. They can build a mesh from + * "MVert", "MFace" and "MEdge" primitives. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include + +#include "cogl-util.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-vertex-buffer-private.h" +#include "cogl-texture-private.h" +#include "cogl-pipeline.h" +#include "cogl-pipeline-private.h" +#include "cogl-primitives.h" +#include "cogl-framebuffer-private.h" +#include "cogl-primitive-private.h" +#include "cogl-journal-private.h" +#include "cogl1-context.h" +#include "cogl-vertex-buffer.h" + +#define PAD_FOR_ALIGNMENT(VAR, TYPE_SIZE) \ + (VAR = TYPE_SIZE + ((VAR - 1) & ~(TYPE_SIZE - 1))) + +static void _cogl_vertex_buffer_free (CoglVertexBuffer *buffer); +static void _cogl_vertex_buffer_indices_free (CoglVertexBufferIndices *buffer_indices); +static CoglUserDataKey _cogl_vertex_buffer_pipeline_priv_key; + +COGL_HANDLE_DEFINE (VertexBuffer, vertex_buffer); +COGL_OBJECT_DEFINE_DEPRECATED_REF_COUNTING (vertex_buffer); +COGL_HANDLE_DEFINE (VertexBufferIndices, vertex_buffer_indices); + +CoglHandle +cogl_vertex_buffer_new (unsigned int n_vertices) +{ + CoglVertexBuffer *buffer = g_slice_alloc (sizeof (CoglVertexBuffer)); + + buffer->n_vertices = n_vertices; + + buffer->submitted_vbos = NULL; + buffer->new_attributes = NULL; + buffer->primitive = cogl_primitive_new (COGL_VERTICES_MODE_TRIANGLES, + n_vertices, NULL); + + /* return COGL_INVALID_HANDLE; */ + return _cogl_vertex_buffer_handle_new (buffer); +} + +unsigned int +cogl_vertex_buffer_get_n_vertices (CoglHandle handle) +{ + CoglVertexBuffer *buffer; + + if (!cogl_is_vertex_buffer (handle)) + return 0; + + buffer = handle; + + return buffer->n_vertices; +} + +/* There are a number of standard OpenGL attributes that we deal with + * specially. These attributes are all namespaced with a "gl_" prefix + * so we should catch any typos instead of silently adding a custom + * attribute. + */ +static CoglVertexBufferAttribFlags +validate_gl_attribute (const char *gl_attribute, + uint8_t n_components, + uint8_t *texture_unit) +{ + CoglVertexBufferAttribFlags type; + char *detail_seperator = NULL; + int name_len; + + detail_seperator = strstr (gl_attribute, "::"); + if (detail_seperator) + name_len = detail_seperator - gl_attribute; + else + name_len = strlen (gl_attribute); + + if (strncmp (gl_attribute, "Vertex", name_len) == 0) + { + if (G_UNLIKELY (n_components == 1)) + g_critical ("glVertexPointer doesn't allow 1 component vertex " + "positions so we currently only support \"gl_Vertex\" " + "attributes where n_components == 2, 3 or 4"); + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_VERTEX_ARRAY; + } + else if (strncmp (gl_attribute, "Color", name_len) == 0) + { + if (G_UNLIKELY (n_components != 3 && n_components != 4)) + g_critical ("glColorPointer expects 3 or 4 component colors so we " + "currently only support \"gl_Color\" attributes where " + "n_components == 3 or 4"); + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_COLOR_ARRAY; + } + else if (strncmp (gl_attribute, + "MultiTexCoord", + strlen ("MultiTexCoord")) == 0) + { + unsigned int unit; + + if (sscanf (gl_attribute, "MultiTexCoord%u", &unit) != 1) + { + g_warning ("gl_MultiTexCoord attributes should include a\n" + "texture unit number, E.g. gl_MultiTexCoord0\n"); + unit = 0; + } + /* FIXME: validate any '::' delimiter for this case */ + *texture_unit = unit; + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_TEXTURE_COORD_ARRAY; + } + else if (strncmp (gl_attribute, "Normal", name_len) == 0) + { + if (G_UNLIKELY (n_components != 3)) + g_critical ("glNormalPointer expects 3 component normals so we " + "currently only support \"gl_Normal\" attributes where " + "n_components == 3"); + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_NORMAL_ARRAY; + } + else + { + g_warning ("Unknown gl_* attribute name gl_%s\n", gl_attribute); + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_INVALID; + } + + return type; +} + +/* There are a number of standard OpenGL attributes that we deal with + * specially. These attributes are all namespaced with a "gl_" prefix + * so we should catch any typos instead of silently adding a custom + * attribute. + */ +static CoglVertexBufferAttribFlags +validate_cogl_attribute (const char *cogl_attribute, + uint8_t n_components, + uint8_t *texture_unit) +{ + CoglVertexBufferAttribFlags type; + char *detail_seperator = NULL; + int name_len; + + detail_seperator = strstr (cogl_attribute, "::"); + if (detail_seperator) + name_len = detail_seperator - cogl_attribute; + else + name_len = strlen (cogl_attribute); + + if (strncmp (cogl_attribute, "position_in", name_len) == 0) + { + if (G_UNLIKELY (n_components == 1)) + g_critical ("glVertexPointer doesn't allow 1 component vertex " + "positions so we currently only support " + "\"cogl_position_in\" attributes where " + "n_components == 2, 3 or 4"); + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_VERTEX_ARRAY; + } + else if (strncmp (cogl_attribute, "color_in", name_len) == 0) + { + if (G_UNLIKELY (n_components != 3 && n_components != 4)) + g_critical ("glColorPointer expects 3 or 4 component colors so we " + "currently only support \"cogl_color_in\" attributes " + "where n_components == 3 or 4"); + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_COLOR_ARRAY; + } + else if (strncmp (cogl_attribute, + "cogl_tex_coord", + strlen ("cogl_tex_coord")) == 0) + { + unsigned int unit; + + if (strcmp (cogl_attribute, "cogl_tex_coord_in") == 0) + unit = 0; + else if (sscanf (cogl_attribute, "cogl_tex_coord%u_in", &unit) != 1) + { + g_warning ("texture coordinate attributes should either be " + "referenced as \"cogl_tex_coord_in\" or with a" + "texture unit number like \"cogl_tex_coord1_in\""); + unit = 0; + } + /* FIXME: validate any '::' delimiter for this case */ + *texture_unit = unit; + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_TEXTURE_COORD_ARRAY; + } + else if (strncmp (cogl_attribute, "normal_in", name_len) == 0) + { + if (G_UNLIKELY (n_components != 3)) + g_critical ("glNormalPointer expects 3 component normals so we " + "currently only support \"cogl_normal_in\" attributes " + "where n_components == 3"); + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_NORMAL_ARRAY; + } + else + { + g_warning ("Unknown cogl_* attribute name cogl_%s\n", cogl_attribute); + type = COGL_VERTEX_BUFFER_ATTRIB_FLAG_INVALID; + } + + return type; +} + +/* This validates that a custom attribute name is a valid GLSL variable name + * + * NB: attribute names may have a detail component delimited using '::' E.g. + * custom_attrib::foo or custom_attrib::bar + * + * maybe I should hang a compiled regex somewhere to handle this + */ +static CoglBool +validate_custom_attribute_name (const char *attribute_name) +{ + char *detail_seperator = NULL; + int name_len; + int i; + + detail_seperator = strstr (attribute_name, "::"); + if (detail_seperator) + name_len = detail_seperator - attribute_name; + else + name_len = strlen (attribute_name); + + if (name_len == 0 + || !g_ascii_isalpha (attribute_name[0]) + || attribute_name[0] != '_') + return FALSE; + + for (i = 1; i < name_len; i++) + if (!g_ascii_isalnum (attribute_name[i]) || attribute_name[i] != '_') + return FALSE; + + return TRUE; +} + +/* Iterates the CoglVertexBufferVBOs of a buffer and creates a flat list + * of all the submitted attributes + * + * Note: The CoglVertexBufferAttrib structs are deep copied, except the + * internal CoglAttribute pointer is set to NULL. + */ +static GList * +copy_submitted_attributes_list (CoglVertexBuffer *buffer) +{ + GList *tmp; + GList *submitted_attributes = NULL; + + for (tmp = buffer->submitted_vbos; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferVBO *cogl_vbo = tmp->data; + GList *tmp2; + + for (tmp2 = cogl_vbo->attributes; tmp2 != NULL; tmp2 = tmp2->next) + { + CoglVertexBufferAttrib *attribute = tmp2->data; + CoglVertexBufferAttrib *copy = + g_slice_alloc (sizeof (CoglVertexBufferAttrib)); + *copy = *attribute; + copy->name_without_detail = + g_strdup (attribute->name_without_detail); + copy->attribute = NULL; + submitted_attributes = g_list_prepend (submitted_attributes, copy); + } + } + return submitted_attributes; +} + +static size_t +sizeof_attribute_type (CoglAttributeType type) +{ + switch (type) + { + case COGL_ATTRIBUTE_TYPE_BYTE: + return 1; + case COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE: + return 1; + case COGL_ATTRIBUTE_TYPE_SHORT: + return 2; + case COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT: + return 2; + case COGL_ATTRIBUTE_TYPE_FLOAT: + return 4; + } + g_return_val_if_reached (0); +} + +static size_t +strideof (CoglAttributeType type, int n_components) +{ + return sizeof_attribute_type (type) * n_components; +} + +static char * +canonize_attribute_name (const char *attribute_name) +{ + char *detail_seperator = NULL; + int name_len; + + if (strncmp (attribute_name, "gl_", 3) != 0) + return g_strdup (attribute_name); + + /* skip past the "gl_" */ + attribute_name += 3; + + detail_seperator = strstr (attribute_name, "::"); + if (detail_seperator) + name_len = detail_seperator - attribute_name; + else + { + name_len = strlen (attribute_name); + detail_seperator = ""; + } + + if (strncmp (attribute_name, "Vertex", name_len) == 0) + return g_strconcat ("cogl_position_in", detail_seperator, NULL); + else if (strncmp (attribute_name, "Color", name_len) == 0) + return g_strconcat ("cogl_color_in", detail_seperator, NULL); + else if (strncmp (attribute_name, + "MultiTexCoord", + strlen ("MultiTexCoord")) == 0) + { + unsigned int unit; + + if (sscanf (attribute_name, "MultiTexCoord%u", &unit) != 1) + { + g_warning ("gl_MultiTexCoord attributes should include a\n" + "texture unit number, E.g. gl_MultiTexCoord0\n"); + unit = 0; + } + return g_strdup_printf ("cogl_tex_coord%u_in%s", + unit, detail_seperator); + } + else if (strncmp (attribute_name, "Normal", name_len) == 0) + return g_strconcat ("cogl_normal_in", detail_seperator, NULL); + else + { + g_warning ("Unknown gl_* attribute name gl_%s\n", attribute_name); + return g_strdup (attribute_name); + } +} + +void +cogl_vertex_buffer_add (CoglHandle handle, + const char *attribute_name, + uint8_t n_components, + CoglAttributeType type, + CoglBool normalized, + uint16_t stride, + const void *pointer) +{ + CoglVertexBuffer *buffer; + char *cogl_attribute_name; + GQuark name_quark; + CoglBool modifying_an_attrib = FALSE; + CoglVertexBufferAttrib *attribute; + CoglVertexBufferAttribFlags flags = 0; + uint8_t texture_unit = 0; + GList *tmp; + char *detail; + + if (!cogl_is_vertex_buffer (handle)) + return; + + buffer = handle; + buffer->dirty_attributes = TRUE; + + cogl_attribute_name = canonize_attribute_name (attribute_name); + name_quark = g_quark_from_string (cogl_attribute_name); + + /* The submit function works by diffing between submitted_attributes + * and new_attributes to minimize the upload bandwidth + cost of + * allocating new VBOs, so if there isn't already a list of new_attributes + * we create one: */ + if (!buffer->new_attributes) + buffer->new_attributes = copy_submitted_attributes_list (buffer); + + /* Note: we first look for an existing attribute that we are modifying + * so we may skip needing to validate the name */ + for (tmp = buffer->new_attributes; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferAttrib *submitted_attribute = tmp->data; + if (submitted_attribute->name == name_quark) + { + modifying_an_attrib = TRUE; + + attribute = submitted_attribute; + + /* since we will skip validate_gl/cogl_attribute in this case, we + * need to pluck out the attribute type before overwriting the + * flags: */ + flags |= + attribute->flags & COGL_VERTEX_BUFFER_ATTRIB_FLAG_TYPE_MASK; + break; + } + } + + if (!modifying_an_attrib) + { + /* Validate the attribute name, is suitable as a variable name */ + if (strncmp (attribute_name, "gl_", 3) == 0) + { + /* Note: we pass the original attribute name here so that + * any warning messages correspond to the users original + * attribute name... */ + flags |= validate_gl_attribute (attribute_name + 3, + n_components, + &texture_unit); + if (flags & COGL_VERTEX_BUFFER_ATTRIB_FLAG_INVALID) + return; + } + else if (strncmp (attribute_name, "cogl_", 5) == 0) + { + flags |= validate_cogl_attribute (attribute_name + 5, + n_components, + &texture_unit); + if (flags & COGL_VERTEX_BUFFER_ATTRIB_FLAG_INVALID) + return; + } + else + { + flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_CUSTOM_ARRAY; + if (validate_custom_attribute_name (attribute_name)) + return; + } + + attribute = g_slice_alloc0 (sizeof (CoglVertexBufferAttrib)); + } + + attribute->name = name_quark; + detail = strstr (cogl_attribute_name, "::"); + if (detail) + attribute->name_without_detail = g_strndup (cogl_attribute_name, + detail - cogl_attribute_name); + else + attribute->name_without_detail = g_strdup (cogl_attribute_name); + attribute->type = type; + attribute->n_components = n_components; + if (stride == 0) + stride = strideof (type, n_components); + attribute->stride = stride; + attribute->u.pointer = pointer; + attribute->texture_unit = texture_unit; + attribute->attribute = NULL; + + flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_ENABLED; + + /* Note: We currently just assume, if an attribute is *ever* updated + * then it should be taged as frequently changing. */ + if (modifying_an_attrib) + flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_FREQUENT_RESUBMIT; + else + flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_INFREQUENT_RESUBMIT; + + if (normalized) + flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_NORMALIZED; + attribute->flags = flags; + + attribute->span_bytes = buffer->n_vertices * attribute->stride; + + if (!modifying_an_attrib) + buffer->new_attributes = + g_list_prepend (buffer->new_attributes, attribute); + + g_free (cogl_attribute_name); +} + +static void +_cogl_vertex_buffer_attrib_free (CoglVertexBufferAttrib *attribute) +{ + if (attribute->attribute) + cogl_object_unref (attribute->attribute); + g_free (attribute->name_without_detail); + g_slice_free (CoglVertexBufferAttrib, attribute); +} + +void +cogl_vertex_buffer_delete (CoglHandle handle, + const char *attribute_name) +{ + CoglVertexBuffer *buffer; + char *cogl_attribute_name = canonize_attribute_name (attribute_name); + GQuark name = g_quark_from_string (cogl_attribute_name); + GList *tmp; + + g_free (cogl_attribute_name); + + if (!cogl_is_vertex_buffer (handle)) + return; + + buffer = handle; + buffer->dirty_attributes = TRUE; + + /* The submit function works by diffing between submitted_attributes + * and new_attributes to minimize the upload bandwidth + cost of + * allocating new VBOs, so if there isn't already a list of new_attributes + * we create one: */ + if (!buffer->new_attributes) + buffer->new_attributes = copy_submitted_attributes_list (buffer); + + for (tmp = buffer->new_attributes; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferAttrib *submitted_attribute = tmp->data; + if (submitted_attribute->name == name) + { + buffer->new_attributes = + g_list_delete_link (buffer->new_attributes, tmp); + _cogl_vertex_buffer_attrib_free (submitted_attribute); + return; + } + } + + g_warning ("Failed to find an attribute named %s to delete\n", + attribute_name); +} + +static void +set_attribute_enable (CoglHandle handle, + const char *attribute_name, + CoglBool state) +{ + CoglVertexBuffer *buffer; + char *cogl_attribute_name = canonize_attribute_name (attribute_name); + GQuark name_quark = g_quark_from_string (cogl_attribute_name); + GList *tmp; + + g_free (cogl_attribute_name); + + if (!cogl_is_vertex_buffer (handle)) + return; + + buffer = handle; + buffer->dirty_attributes = TRUE; + + /* NB: If a buffer is currently being edited, then there can be two seperate + * lists of attributes; those that are currently submitted and a new list yet + * to be submitted, we need to modify both. */ + + for (tmp = buffer->new_attributes; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferAttrib *attribute = tmp->data; + if (attribute->name == name_quark) + { + if (state) + attribute->flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_ENABLED; + else + attribute->flags &= ~COGL_VERTEX_BUFFER_ATTRIB_FLAG_ENABLED; + break; + } + } + + for (tmp = buffer->submitted_vbos; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferVBO *cogl_vbo = tmp->data; + GList *tmp2; + + for (tmp2 = cogl_vbo->attributes; tmp2 != NULL; tmp2 = tmp2->next) + { + CoglVertexBufferAttrib *attribute = tmp2->data; + if (attribute->name == name_quark) + { + if (state) + attribute->flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_ENABLED; + else + attribute->flags &= ~COGL_VERTEX_BUFFER_ATTRIB_FLAG_ENABLED; + return; + } + } + } + + g_warning ("Failed to %s attribute named %s/%s\n", + state == TRUE ? "enable" : "disable", + attribute_name, cogl_attribute_name); +} + +void +cogl_vertex_buffer_enable (CoglHandle handle, + const char *attribute_name) +{ + set_attribute_enable (handle, attribute_name, TRUE); +} + +void +cogl_vertex_buffer_disable (CoglHandle handle, + const char *attribute_name) +{ + set_attribute_enable (handle, attribute_name, FALSE); +} + +/* Given an attribute that we know has already been submitted before, this + * function looks for the existing VBO that contains it. + * + * Note: It will free redundant attribute struct once the corresponding + * VBO has been found. + */ +static void +filter_already_submitted_attribute (CoglVertexBufferAttrib *attribute, + GList **reuse_vbos, + GList **submitted_vbos) +{ + GList *tmp; + + /* First check the cogl_vbos we already know are being reused since we + * are more likley to get a match here */ + for (tmp = *reuse_vbos; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferVBO *cogl_vbo = tmp->data; + GList *tmp2; + + for (tmp2 = cogl_vbo->attributes; tmp2 != NULL; tmp2 = tmp2->next) + { + CoglVertexBufferAttrib *vbo_attribute = tmp2->data; + + if (vbo_attribute->name == attribute->name) + { + vbo_attribute->flags &= + ~COGL_VERTEX_BUFFER_ATTRIB_FLAG_UNUSED; + /* Note: we don't free the redundant attribute here, since it + * will be freed after all filtering in + * cogl_vertex_buffer_submit */ + return; + } + } + } + + for (tmp = *submitted_vbos; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferVBO *cogl_vbo = tmp->data; + CoglVertexBufferAttrib *reuse_attribute = NULL; + GList *tmp2; + + for (tmp2 = cogl_vbo->attributes; tmp2 != NULL; tmp2 = tmp2->next) + { + CoglVertexBufferAttrib *vbo_attribute = tmp2->data; + if (vbo_attribute->name == attribute->name) + { + reuse_attribute = vbo_attribute; + /* Note: we don't free the redundant attribute here, since it + * will be freed after all filtering in + * cogl_vertex_buffer_submit */ + + *submitted_vbos = g_list_remove_link (*submitted_vbos, tmp); + tmp->next = *reuse_vbos; + *reuse_vbos = tmp; + break; + } + } + + if (!reuse_attribute) + continue; + + /* Mark all but the matched attribute as UNUSED, so that when we + * finish filtering all our attributes any attrributes still + * marked as UNUSED can be removed from their cogl_vbo */ + for (tmp2 = cogl_vbo->attributes; tmp2 != NULL; tmp2 = tmp2->next) + { + CoglVertexBufferAttrib *vbo_attribute = tmp2->data; + if (vbo_attribute != reuse_attribute) + vbo_attribute->flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_UNUSED; + } + + return; + } + + g_critical ("Failed to find the cogl vbo that corresponds to an\n" + "attribute that had apparently already been submitted!"); +} + +/* When we first mark a CoglVertexBufferVBO to be reused, we mark the + * attributes as unsed, so that when filtering of attributes into VBOs is done + * we can then prune the now unsed attributes. */ +static void +remove_unused_attributes (CoglVertexBufferVBO *cogl_vbo) +{ + GList *tmp; + GList *next; + + for (tmp = cogl_vbo->attributes; tmp != NULL; tmp = next) + { + CoglVertexBufferAttrib *attribute = tmp->data; + next = tmp->next; + + if (attribute->flags & COGL_VERTEX_BUFFER_ATTRIB_FLAG_UNUSED) + { + cogl_vbo->attributes = + g_list_delete_link (cogl_vbo->attributes, tmp); + g_slice_free (CoglVertexBufferAttrib, attribute); + } + } +} + +/* Give a newly added, strided, attribute, this function looks for a + * CoglVertexBufferVBO that the attribute is interleved with. If it can't + * find one then a new CoglVertexBufferVBO is allocated and added to the + * list of new_strided_vbos. + */ +static void +filter_strided_attribute (CoglVertexBufferAttrib *attribute, + GList **new_vbos) +{ + GList *tmp; + CoglVertexBufferVBO *new_cogl_vbo; + + for (tmp = *new_vbos; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferVBO *cogl_vbo = tmp->data; + GList *tmp2; + + if (!(cogl_vbo->flags & COGL_VERTEX_BUFFER_VBO_FLAG_STRIDED)) + continue; + + for (tmp2 = cogl_vbo->attributes; tmp2 != NULL; tmp2 = tmp2->next) + { + CoglVertexBufferAttrib *vbo_attribute = tmp2->data; + const char *attribute_start = attribute->u.pointer; + const char *vbo_attribute_start = vbo_attribute->u.pointer; + + /* NB: All attributes have buffer->n_vertices values which + * simplifies determining which attributes are interleved + * since we assume they will start no farther than +- a + * stride away from each other: + */ + if (attribute_start <= (vbo_attribute_start - vbo_attribute->stride) + || attribute_start + >= (vbo_attribute_start + vbo_attribute->stride)) + continue; /* Not interleved */ + + cogl_vbo->attributes = + g_list_prepend (cogl_vbo->attributes, attribute); + + if (attribute->flags & + COGL_VERTEX_BUFFER_ATTRIB_FLAG_FREQUENT_RESUBMIT) + { + cogl_vbo->flags &= + ~COGL_VERTEX_BUFFER_VBO_FLAG_INFREQUENT_RESUBMIT; + cogl_vbo->flags |= + COGL_VERTEX_BUFFER_VBO_FLAG_FREQUENT_RESUBMIT; + } + return; + } + } + new_cogl_vbo = g_slice_alloc (sizeof (CoglVertexBufferVBO)); + new_cogl_vbo->attributes = NULL; + new_cogl_vbo->attributes = + g_list_prepend (new_cogl_vbo->attributes, attribute); + /* Any one of the interleved attributes will have the same span_bytes */ + new_cogl_vbo->attribute_buffer = NULL; + new_cogl_vbo->buffer_bytes = attribute->span_bytes; + new_cogl_vbo->flags = COGL_VERTEX_BUFFER_VBO_FLAG_STRIDED; + + if (attribute->flags & COGL_VERTEX_BUFFER_ATTRIB_FLAG_INFREQUENT_RESUBMIT) + new_cogl_vbo->flags |= COGL_VERTEX_BUFFER_VBO_FLAG_INFREQUENT_RESUBMIT; + else + new_cogl_vbo->flags |= COGL_VERTEX_BUFFER_VBO_FLAG_FREQUENT_RESUBMIT; + + *new_vbos = g_list_prepend (*new_vbos, new_cogl_vbo); + return; +} + +/* This iterates through the list of submitted VBOs looking for one that + * contains attribute. If found the list *link* is removed and returned */ +static GList * +unlink_submitted_vbo_containing_attribute (GList **submitted_vbos, + CoglVertexBufferAttrib *attribute) +{ + GList *tmp; + GList *next = NULL; + + for (tmp = *submitted_vbos; tmp != NULL; tmp = next) + { + CoglVertexBufferVBO *submitted_vbo = tmp->data; + GList *tmp2; + + next = tmp->next; + + for (tmp2 = submitted_vbo->attributes; tmp2 != NULL; tmp2 = tmp2->next) + { + CoglVertexBufferAttrib *submitted_attribute = tmp2->data; + + if (submitted_attribute->name == attribute->name) + { + *submitted_vbos = g_list_remove_link (*submitted_vbos, tmp); + return tmp; + } + } + } + + return NULL; +} + +/* Unlinks all the submitted VBOs that conflict with the new cogl_vbo and + * returns them as a list. */ +static GList * +get_submitted_vbo_conflicts (GList **submitted_vbos, + CoglVertexBufferVBO *cogl_vbo) +{ + GList *tmp; + GList *conflicts = NULL; + + for (tmp = cogl_vbo->attributes; tmp != NULL; tmp = tmp->next) + { + GList *link = + unlink_submitted_vbo_containing_attribute (submitted_vbos, + tmp->data); + if (link) + { + /* prepend the link to the list of conflicts: */ + link->next = conflicts; + conflicts = link; + } + } + return conflicts; +} + +/* Any attributes in cogl_vbo gets removed from conflict_vbo */ +static void +disassociate_conflicting_attributes (CoglVertexBufferVBO *conflict_vbo, + CoglVertexBufferVBO *cogl_vbo) +{ + GList *tmp; + + /* NB: The attributes list in conflict_vbo will be shrinking so + * we iterate those in the inner loop. */ + + for (tmp = cogl_vbo->attributes; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferAttrib *attribute = tmp->data; + GList *tmp2; + for (tmp2 = conflict_vbo->attributes; tmp2 != NULL; tmp2 = tmp2->next) + { + CoglVertexBufferAttrib *conflict_attribute = tmp2->data; + + if (conflict_attribute->name == attribute->name) + { + _cogl_vertex_buffer_attrib_free (conflict_attribute); + conflict_vbo->attributes = + g_list_delete_link (conflict_vbo->attributes, tmp2); + break; + } + } + } +} + +static void +cogl_vertex_buffer_vbo_free (CoglVertexBufferVBO *cogl_vbo) +{ + GList *tmp; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + for (tmp = cogl_vbo->attributes; tmp != NULL; tmp = tmp->next) + _cogl_vertex_buffer_attrib_free (tmp->data); + g_list_free (cogl_vbo->attributes); + + if (cogl_vbo->flags & COGL_VERTEX_BUFFER_VBO_FLAG_SUBMITTED) + cogl_object_unref (cogl_vbo->attribute_buffer); + + g_slice_free (CoglVertexBufferVBO, cogl_vbo); +} + +/* This figures out the lowest attribute client pointer. (This pointer is used + * to upload all the interleved attributes). + * + * In the process it also replaces the client pointer with the attributes + * offset, and marks the attribute as submitted. + */ +static const void * +prep_strided_vbo_for_upload (CoglVertexBufferVBO *cogl_vbo) +{ + GList *tmp; + const char *lowest_pointer = NULL; + + for (tmp = cogl_vbo->attributes; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferAttrib *attribute = tmp->data; + const char *client_pointer = attribute->u.pointer; + + if (!lowest_pointer || client_pointer < lowest_pointer) + lowest_pointer = client_pointer; + } + + for (tmp = cogl_vbo->attributes; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferAttrib *attribute = tmp->data; + const char *client_pointer = attribute->u.pointer; + attribute->u.vbo_offset = client_pointer - lowest_pointer; + attribute->flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_SUBMITTED; + } + + return lowest_pointer; +} + +static CoglBool +upload_multipack_vbo_via_map_buffer (CoglVertexBufferVBO *cogl_vbo) +{ + GList *tmp; + unsigned int offset = 0; + uint8_t *buf; + + _COGL_GET_CONTEXT (ctx, FALSE); + + buf = cogl_buffer_map (COGL_BUFFER (cogl_vbo->attribute_buffer), + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD); + if (!buf) + return FALSE; + + for (tmp = cogl_vbo->attributes; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferAttrib *attribute = tmp->data; + gsize attribute_size = attribute->span_bytes; + gsize type_size = sizeof_attribute_type (attribute->type); + + PAD_FOR_ALIGNMENT (offset, type_size); + + memcpy (buf + offset, attribute->u.pointer, attribute_size); + + attribute->u.vbo_offset = offset; + attribute->flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_SUBMITTED; + offset += attribute_size; + } + + cogl_buffer_unmap (COGL_BUFFER (cogl_vbo->attribute_buffer)); + + return TRUE; +} + +static void +upload_multipack_vbo_via_buffer_sub_data (CoglVertexBufferVBO *cogl_vbo) +{ + GList *l; + unsigned int offset = 0; + + for (l = cogl_vbo->attributes; l != NULL; l = l->next) + { + CoglVertexBufferAttrib *attribute = l->data; + gsize attribute_size = attribute->span_bytes; + gsize type_size = sizeof_attribute_type (attribute->type); + + PAD_FOR_ALIGNMENT (offset, type_size); + + cogl_buffer_set_data (COGL_BUFFER (cogl_vbo->attribute_buffer), + offset, + attribute->u.pointer, + attribute_size); + + attribute->u.vbo_offset = offset; + attribute->flags |= COGL_VERTEX_BUFFER_ATTRIB_FLAG_SUBMITTED; + offset += attribute_size; + } +} + +static void +upload_attributes (CoglVertexBufferVBO *cogl_vbo) +{ + CoglBufferUpdateHint usage; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (cogl_vbo->flags & COGL_VERTEX_BUFFER_VBO_FLAG_FREQUENT_RESUBMIT) + usage = COGL_BUFFER_UPDATE_HINT_DYNAMIC; + else + usage = COGL_BUFFER_UPDATE_HINT_STATIC; + cogl_buffer_set_update_hint (COGL_BUFFER (cogl_vbo->attribute_buffer), usage); + + if (cogl_vbo->flags & COGL_VERTEX_BUFFER_VBO_FLAG_STRIDED) + { + const void *pointer = prep_strided_vbo_for_upload (cogl_vbo); + cogl_buffer_set_data (COGL_BUFFER (cogl_vbo->attribute_buffer), + 0, /* offset */ + pointer, + cogl_vbo->buffer_bytes); + } + else /* MULTIPACK */ + { + /* I think it might depend on the specific driver/HW whether its better + * to use glMapBuffer here or glBufferSubData here. There is even a good + * thread about this topic here: + * http://www.mail-archive.com/dri-devel@lists.sourceforge.net/msg35004.html + * For now I have gone with glMapBuffer, but the jury is still out. + */ + + if (!upload_multipack_vbo_via_map_buffer (cogl_vbo)) + upload_multipack_vbo_via_buffer_sub_data (cogl_vbo); + } + + cogl_vbo->flags |= COGL_VERTEX_BUFFER_VBO_FLAG_SUBMITTED; +} + +/* Note: although there ends up being quite a few inner loops involved with + * resolving buffers, the number of attributes will be low so I don't expect + * them to cause a problem. */ +static void +cogl_vertex_buffer_vbo_resolve (CoglVertexBuffer *buffer, + CoglVertexBufferVBO *new_cogl_vbo, + GList **final_vbos) +{ + GList *conflicts; + GList *tmp; + GList *next; + CoglBool found_target_vbo = FALSE; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + conflicts = + get_submitted_vbo_conflicts (&buffer->submitted_vbos, new_cogl_vbo); + + for (tmp = conflicts; tmp != NULL; tmp = next) + { + CoglVertexBufferVBO *conflict_vbo = tmp->data; + + next = tmp->next; + + disassociate_conflicting_attributes (conflict_vbo, new_cogl_vbo); + + if (!conflict_vbo->attributes) + { + /* See if we can re-use this now empty VBO: */ + + if (!found_target_vbo + && conflict_vbo->buffer_bytes == new_cogl_vbo->buffer_bytes) + { + found_target_vbo = TRUE; + new_cogl_vbo->attribute_buffer = + cogl_object_ref (conflict_vbo->attribute_buffer); + cogl_vertex_buffer_vbo_free (conflict_vbo); + + upload_attributes (new_cogl_vbo); + + *final_vbos = g_list_prepend (*final_vbos, new_cogl_vbo); + } + else + cogl_vertex_buffer_vbo_free (conflict_vbo); + } + else + { + /* Relink the VBO back into buffer->submitted_vbos since it may + * be involved in other conflicts later */ + tmp->next = buffer->submitted_vbos; + tmp->prev = NULL; + buffer->submitted_vbos = tmp; + } + } + + if (!found_target_vbo) + { + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + new_cogl_vbo->attribute_buffer = + cogl_attribute_buffer_new (ctx, new_cogl_vbo->buffer_bytes, NULL); + + upload_attributes (new_cogl_vbo); + *final_vbos = g_list_prepend (*final_vbos, new_cogl_vbo); + } +} + +static void +update_primitive_attributes (CoglVertexBuffer *buffer) +{ + GList *l; + int n_attributes = 0; + CoglAttribute **attributes; + int i; + + if (!buffer->dirty_attributes) + return; + + buffer->dirty_attributes = FALSE; + + for (l = buffer->submitted_vbos; l; l = l->next) + { + CoglVertexBufferVBO *cogl_vbo = l->data; + GList *l2; + + for (l2 = cogl_vbo->attributes; l2; l2 = l2->next, n_attributes++) + ; + } + + _COGL_RETURN_IF_FAIL (n_attributes > 0); + + attributes = g_alloca (sizeof (CoglAttribute *) * n_attributes); + + i = 0; + for (l = buffer->submitted_vbos; l; l = l->next) + { + CoglVertexBufferVBO *cogl_vbo = l->data; + GList *l2; + + for (l2 = cogl_vbo->attributes; l2; l2 = l2->next) + { + CoglVertexBufferAttrib *attribute = l2->data; + if (G_LIKELY (attribute->flags & + COGL_VERTEX_BUFFER_ATTRIB_FLAG_ENABLED)) + { + if (G_UNLIKELY (!attribute->attribute)) + { + attribute->attribute = + cogl_attribute_new (cogl_vbo->attribute_buffer, + attribute->name_without_detail, + attribute->stride, + attribute->u.vbo_offset, + attribute->n_components, + attribute->type); + } + + attributes[i++] = attribute->attribute; + } + } + } + + cogl_primitive_set_attributes (buffer->primitive, attributes, i); +} + +static void +cogl_vertex_buffer_submit_real (CoglVertexBuffer *buffer) +{ + GList *tmp; + CoglVertexBufferVBO *new_multipack_vbo; + GList *new_multipack_vbo_link; + GList *new_vbos = NULL; + GList *reuse_vbos = NULL; + GList *final_vbos = NULL; + + if (!buffer->new_attributes) + goto done; + + /* The objective now is to copy the attribute data supplied by the client + * into buffer objects, but it's important to minimize the number of + * redundant data uploads. + * + * We obviously aim to group together the attributes that are interleved so + * that they can be delivered in one go to the driver. + * All BOs for interleved data are created as STATIC_DRAW_ARB. + * + * Non interleved attributes tagged as INFREQUENT_RESUBMIT will be grouped + * together back to back in a single BO created as STATIC_DRAW_ARB + * + * Non interleved attributes tagged as FREQUENT_RESUBMIT will be copied into + * individual buffer objects, and the BO itself created DYNAMIC_DRAW_ARB + * + * If we are modifying a previously submitted CoglVertexBuffer then we are + * carefull not to needlesly delete OpenGL buffer objects and replace with + * new ones, instead we upload new data to the existing buffers. + */ + + /* NB: We must forget attribute->pointer after submitting since the user + * is free to re-use that memory for other purposes now. */ + + /* Pseudo code: + * + * Broadly speaking we start with a list of unsorted attributes, and filter + * those into 'new' and 're-use' CoglVertexBufferVBO (CBO) lists. We then + * take the list of new CBO structs and compare with the CBOs that have + * already been submitted to the GPU (but ignoring those we already know will + * be re-used) to determine what other CBOs can be re-used, due to being + * superseded, and what new GL VBOs need to be created. + * + * We have two kinds of CBOs: + * - Multi Pack CBOs + * These contain multiple attributes tightly packed back to back) + * - Strided CBOs + * These typically contain multiple interleved sets of attributes, + * though they can contain just one attribute with a stride + * + * First create a new-CBOs entry "new-multipack-CBO" + * Tag "new-multipack-CBO" as MULTIPACK + INFREQUENT_RESUBMIT + * For each unsorted attrib: + * if already marked as submitted: + * iterate reuse-CBOs: + * if we find one that contains this attribute: + * free redundant unsorted attrib struct + * remove the UNUSED flag from the attrib found in the reuse-CBO + * continue to next unsorted attrib + * iterate submitted VBOs: + * if we find one that contains this attribute: + * free redundant unsorted attrib struct + * unlink the vbo and move it to the list of reuse-CBOs + * mark all attributes except the one just matched as UNUSED + * assert (found) + * continue to next unsorted attrib + * if strided: + * iterate the new, strided, CBOs, to see if the attribute is + * interleved with one of them, if found: + * add to the matched CBO + * else if not found: + * create a new-CBOs entry tagged STRIDED + INFREQUENT_RESUBMIT + * else if unstrided && tagged with FREQUENT_RESUBMIT: + * create a new-CBOs entry tagged MULTIPACK + FREQUENT_RESUBMIT + * else + * add to the new-multipack-CBO + * free list of unsorted-attribs + * + * Next compare the new list of CBOs with the submitted set and try to + * minimize the memory bandwidth required to upload the attributes and the + * overhead of creating new GL-BOs. + * + * We deal with four sets of CBOs: + * - The "new" CBOs + * (as determined above during filtering) + * - The "re-use" CBOs + * (as determined above during filtering) + * - The "submitted" CBOs + * (I.e. ones currently submitted to the GPU) + * - The "final" CBOs + * (The result of resolving the differences between the above sets) + * + * The re-use CBOs are dealt with first, and we simply delete any remaining + * attributes in these that are still marked as UNUSED, and move them + * to the list of final CBOs. + * + * Next we iterate through the "new" CBOs, searching for conflicts + * with the "submitted" CBOs and commit our decision to the "final" CBOs + * + * When searching for submitted entries we always unlink items from the + * submitted list once we make matches (before we make descisions + * based on the matches). If the CBO node is superseded it is freed, + * if it is modified but may be needed for more descisions later it is + * relinked back into the submitted list and if it's identical to a new + * CBO it will be linked into the final list. + * + * At the end the list of submitted CBOs represents the attributes that were + * deleted from the buffer. + * + * Iterate re-use-CBOs: + * Iterate attribs for each: + * if attrib UNUSED: + * remove the attrib from the CBO + free + * |Note: we could potentially mark this as a re-useable gap + * |if needs be later. + * add re-use CBO to the final-CBOs + * Iterate new-CBOs: + * List submitted CBOs conflicting with the this CBO (Unlinked items) + * found-target-BO=FALSE + * Iterate conflicting CBOs: + * Disassociate conflicting attribs from conflicting CBO struct + * If no attribs remain: + * If found-target-BO!=TRUE + * _AND_ If the total size of the conflicting CBO is compatible: + * |Note: We don't currently consider re-using oversized buffers + * found-target-BO=TRUE + * upload replacement data + * free submitted CBO struct + * add new CBO struct to final-CBOs + * else: + * delete conflict GL-BO + * delete conflict CBO struct + * else: + * relink CBO back into submitted-CBOs + * + * if found-target-BO == FALSE: + * create a new GL-BO + * upload data + * add new CBO struct to final-BOs + * + * Iterate through the remaining "submitted" CBOs: + * delete the submitted GL-BO + * free the submitted CBO struct + */ + + new_multipack_vbo = g_slice_alloc (sizeof (CoglVertexBufferVBO)); + new_multipack_vbo->attribute_buffer = NULL; + new_multipack_vbo->buffer_bytes = 0; + new_multipack_vbo->flags = + COGL_VERTEX_BUFFER_VBO_FLAG_MULTIPACK + | COGL_VERTEX_BUFFER_VBO_FLAG_INFREQUENT_RESUBMIT; + new_multipack_vbo->attributes = NULL; + new_vbos = g_list_prepend (new_vbos, new_multipack_vbo); + /* We save the link pointer here, just so we can do a fast removal later if + * no attributes get added to this vbo. */ + new_multipack_vbo_link = new_vbos; + + /* Start with a list of unsorted attributes, and filter those into + * potential new Cogl BO structs + */ + for (tmp = buffer->new_attributes; tmp != NULL; tmp = tmp->next) + { + CoglVertexBufferAttrib *attribute = tmp->data; + + if (attribute->flags & COGL_VERTEX_BUFFER_ATTRIB_FLAG_SUBMITTED) + { + /* If the attribute is already marked as submitted, then we need + * to find the existing VBO that contains it so we dont delete it. + * + * NB: this also frees the attribute struct since it's implicitly + * redundant in this case. + */ + filter_already_submitted_attribute (attribute, + &reuse_vbos, + &buffer->submitted_vbos); + } + else if (attribute->stride) + { + /* look for a CoglVertexBufferVBO that the attribute is + * interleved with. If one can't be found then a new + * CoglVertexBufferVBO is allocated and added to the list of + * new_vbos: */ + filter_strided_attribute (attribute, &new_vbos); + } + else if (attribute->flags & + COGL_VERTEX_BUFFER_ATTRIB_FLAG_FREQUENT_RESUBMIT) + { + CoglVertexBufferVBO *cogl_vbo = + g_slice_alloc (sizeof (CoglVertexBufferVBO)); + + /* attributes we expect will be frequently resubmitted are placed + * in their own VBO so that updates don't impact other attributes + */ + + cogl_vbo->flags = + COGL_VERTEX_BUFFER_VBO_FLAG_MULTIPACK + | COGL_VERTEX_BUFFER_VBO_FLAG_FREQUENT_RESUBMIT; + cogl_vbo->attributes = NULL; + cogl_vbo->attributes = g_list_prepend (cogl_vbo->attributes, + attribute); + cogl_vbo->attribute_buffer = NULL; + cogl_vbo->buffer_bytes = attribute->span_bytes; + new_vbos = g_list_prepend (new_vbos, cogl_vbo); + } + else + { + gsize type_size = sizeof_attribute_type (attribute->flags); + + /* Infrequently updated attributes just get packed back to back + * in a single VBO: */ + new_multipack_vbo->attributes = + g_list_prepend (new_multipack_vbo->attributes, + attribute); + + /* Note: we have to ensure that each run of attributes is + * naturally aligned according to its data type, which may + * require some padding bytes: */ + + /* XXX: We also have to be sure that the attributes aren't + * reorderd before being uploaded because the alignment padding + * is based on the adjacent attribute. + */ + + PAD_FOR_ALIGNMENT (new_multipack_vbo->buffer_bytes, type_size); + + new_multipack_vbo->buffer_bytes += attribute->span_bytes; + } + } + + /* At this point all buffer->new_attributes have been filtered into + * CoglVertexBufferVBOs... */ + g_list_free (buffer->new_attributes); + buffer->new_attributes = NULL; + + /* If the multipack vbo wasn't needed: */ + if (new_multipack_vbo->attributes == NULL) + { + new_vbos = g_list_delete_link (new_vbos, new_multipack_vbo_link); + g_slice_free (CoglVertexBufferVBO, new_multipack_vbo); + } + + for (tmp = reuse_vbos; tmp != NULL; tmp = tmp->next) + remove_unused_attributes (tmp->data); + final_vbos = g_list_concat (final_vbos, reuse_vbos); + + for (tmp = new_vbos; tmp != NULL; tmp = tmp->next) + cogl_vertex_buffer_vbo_resolve (buffer, tmp->data, &final_vbos); + + /* Anything left corresponds to deleted attributes: */ + for (tmp = buffer->submitted_vbos; tmp != NULL; tmp = tmp->next) + cogl_vertex_buffer_vbo_free (tmp->data); + g_list_free (buffer->submitted_vbos); + g_list_free (new_vbos); + + buffer->submitted_vbos = final_vbos; + +done: + update_primitive_attributes (buffer); +} + +void +cogl_vertex_buffer_submit (CoglHandle handle) +{ + CoglVertexBuffer *buffer; + + if (!cogl_is_vertex_buffer (handle)) + return; + + buffer = handle; + + cogl_vertex_buffer_submit_real (buffer); +} + +typedef struct +{ + /* We have a ref-count on this private structure because we need to + refer to it both from the private data on a pipeline and any weak + pipelines that we create from it. If we didn't have the ref count + then we would depend on the order of destruction of a + CoglPipeline and the weak materials to avoid a crash */ + unsigned int ref_count; + + CoglPipeline *real_source; +} VertexBufferMaterialPrivate; + +static void +unref_pipeline_priv (VertexBufferMaterialPrivate *priv) +{ + if (--priv->ref_count < 1) + g_slice_free (VertexBufferMaterialPrivate, priv); +} + +static void +weak_override_source_destroyed_cb (CoglPipeline *pipeline, + void *user_data) +{ + VertexBufferMaterialPrivate *pipeline_priv = user_data; + /* Unref the weak pipeline copy since it is no longer valid - probably because + * one of its ancestors has been changed. */ + cogl_object_unref (pipeline_priv->real_source); + pipeline_priv->real_source = NULL; + /* A reference was added when we copied the weak material so we need + to unref it here */ + unref_pipeline_priv (pipeline_priv); +} + +static CoglBool +validate_layer_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + VertexBufferMaterialPrivate *pipeline_priv = user_data; + CoglPipeline *source = pipeline_priv->real_source; + + if (!cogl_pipeline_get_layer_point_sprite_coords_enabled (source, + layer_index)) + { + CoglPipelineWrapMode wrap_s; + CoglPipelineWrapMode wrap_t; + CoglPipelineWrapMode wrap_p; + CoglBool need_override_source = FALSE; + + /* By default COGL_PIPELINE_WRAP_MODE_AUTOMATIC becomes + * GL_CLAMP_TO_EDGE but we want GL_REPEAT to maintain + * compatibility with older versions of Cogl so we'll override + * it. We don't want to do this for point sprites because in + * that case the whole texture is drawn so you would usually + * want clamp-to-edge. + */ + wrap_s = cogl_pipeline_get_layer_wrap_mode_s (source, layer_index); + if (wrap_s == COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + { + need_override_source = TRUE; + wrap_s = COGL_PIPELINE_WRAP_MODE_REPEAT; + } + wrap_t = cogl_pipeline_get_layer_wrap_mode_t (source, layer_index); + if (wrap_t == COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + { + need_override_source = TRUE; + wrap_t = COGL_PIPELINE_WRAP_MODE_REPEAT; + } + wrap_p = cogl_pipeline_get_layer_wrap_mode_p (source, layer_index); + if (wrap_p == COGL_PIPELINE_WRAP_MODE_AUTOMATIC) + { + need_override_source = TRUE; + wrap_p = COGL_PIPELINE_WRAP_MODE_REPEAT; + } + + if (need_override_source) + { + if (pipeline_priv->real_source == pipeline) + { + pipeline_priv->ref_count++; + pipeline_priv->real_source = source = + _cogl_pipeline_weak_copy (pipeline, + weak_override_source_destroyed_cb, + pipeline_priv); + } + + cogl_pipeline_set_layer_wrap_mode_s (source, layer_index, wrap_s); + cogl_pipeline_set_layer_wrap_mode_t (source, layer_index, wrap_t); + cogl_pipeline_set_layer_wrap_mode_p (source, layer_index, wrap_p); + } + } + + return TRUE; +} + +static void +destroy_pipeline_priv_cb (void *user_data) +{ + unref_pipeline_priv (user_data); +} + +static void +update_primitive_and_draw (CoglVertexBuffer *buffer, + CoglVerticesMode mode, + int first, + int count, + CoglVertexBufferIndices *buffer_indices) +{ + VertexBufferMaterialPrivate *pipeline_priv; + CoglPipeline *users_source; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl_primitive_set_mode (buffer->primitive, mode); + cogl_primitive_set_first_vertex (buffer->primitive, first); + cogl_primitive_set_n_vertices (buffer->primitive, count); + + if (buffer_indices) + cogl_primitive_set_indices (buffer->primitive, buffer_indices->indices, count); + else + cogl_primitive_set_indices (buffer->primitive, NULL, count); + + cogl_vertex_buffer_submit_real (buffer); + + users_source = cogl_get_source (); + pipeline_priv = + cogl_object_get_user_data (COGL_OBJECT (users_source), + &_cogl_vertex_buffer_pipeline_priv_key); + if (G_UNLIKELY (!pipeline_priv)) + { + pipeline_priv = g_slice_new0 (VertexBufferMaterialPrivate); + pipeline_priv->ref_count = 1; + cogl_object_set_user_data (COGL_OBJECT (users_source), + &_cogl_vertex_buffer_pipeline_priv_key, + pipeline_priv, + destroy_pipeline_priv_cb); + } + + if (G_UNLIKELY (!pipeline_priv->real_source)) + { + pipeline_priv->real_source = users_source; + cogl_pipeline_foreach_layer (pipeline_priv->real_source, + validate_layer_cb, + pipeline_priv); + } + + /* XXX: although this may seem redundant, we need to do this since + * CoglVertexBuffers can be used with legacy state and its the source stack + * which track whether legacy state is enabled. + * + * (We only have a CoglDrawFlag to disable legacy state not one + * to enable it) */ + cogl_push_source (pipeline_priv->real_source); + + _cogl_primitive_draw (buffer->primitive, + cogl_get_draw_framebuffer (), + pipeline_priv->real_source, + 0 /* no draw flags */); + + cogl_pop_source (); +} + +void +cogl_vertex_buffer_draw (CoglHandle handle, + CoglVerticesMode mode, + int first, + int count) +{ + CoglVertexBuffer *buffer; + + if (!cogl_is_vertex_buffer (handle)) + return; + + buffer = handle; + + update_primitive_and_draw (buffer, mode, first, count, NULL); +} + +static CoglHandle +_cogl_vertex_buffer_indices_new_real (CoglIndices *indices) +{ + CoglVertexBufferIndices *buffer_indices = + g_slice_alloc (sizeof (CoglVertexBufferIndices)); + buffer_indices->indices = indices; + + return _cogl_vertex_buffer_indices_handle_new (buffer_indices); +} + +CoglHandle +cogl_vertex_buffer_indices_new (CoglIndicesType indices_type, + const void *indices_array, + int indices_len) +{ + CoglIndices *indices; + + _COGL_GET_CONTEXT (ctx, COGL_INVALID_HANDLE); + + indices = cogl_indices_new (ctx, indices_type, indices_array, indices_len); + return _cogl_vertex_buffer_indices_new_real (indices); +} + +CoglIndicesType +cogl_vertex_buffer_indices_get_type (CoglHandle indices_handle) +{ + CoglVertexBufferIndices *buffer_indices = NULL; + + if (!cogl_is_vertex_buffer_indices (indices_handle)) + return COGL_INDICES_TYPE_UNSIGNED_SHORT; + + buffer_indices = indices_handle; + + return cogl_indices_get_type (buffer_indices->indices); +} + +void +_cogl_vertex_buffer_indices_free (CoglVertexBufferIndices *buffer_indices) +{ + cogl_object_unref (buffer_indices->indices); + g_slice_free (CoglVertexBufferIndices, buffer_indices); +} + +void +cogl_vertex_buffer_draw_elements (CoglHandle handle, + CoglVerticesMode mode, + CoglHandle indices_handle, + int min_index, + int max_index, + int indices_offset, + int count) +{ + CoglVertexBuffer *buffer; + CoglVertexBufferIndices *buffer_indices; + + if (!cogl_is_vertex_buffer (handle)) + return; + + buffer = handle; + + if (!cogl_is_vertex_buffer_indices (indices_handle)) + return; + + buffer_indices = indices_handle; + + update_primitive_and_draw (buffer, mode, indices_offset, count, + buffer_indices); +} + +static void +_cogl_vertex_buffer_free (CoglVertexBuffer *buffer) +{ + GList *tmp; + + for (tmp = buffer->submitted_vbos; tmp != NULL; tmp = tmp->next) + cogl_vertex_buffer_vbo_free (tmp->data); + g_list_free (buffer->submitted_vbos); + + for (tmp = buffer->new_attributes; tmp != NULL; tmp = tmp->next) + _cogl_vertex_buffer_attrib_free (tmp->data); + g_list_free (buffer->new_attributes); + + if (buffer->primitive) + cogl_object_unref (buffer->primitive); + + g_slice_free (CoglVertexBuffer, buffer); +} + +CoglHandle +cogl_vertex_buffer_indices_get_for_quads (unsigned int n_indices) +{ + _COGL_GET_CONTEXT (ctx, COGL_INVALID_HANDLE); + + if (n_indices <= 256 / 4 * 6) + { + if (ctx->quad_buffer_indices_byte == COGL_INVALID_HANDLE) + { + /* NB: cogl_get_quad_indices takes n_quads not n_indices... */ + CoglIndices *indices = cogl_get_rectangle_indices (ctx, 256 / 4); + cogl_object_ref (indices); + ctx->quad_buffer_indices_byte = + _cogl_vertex_buffer_indices_new_real (indices); + } + + return ctx->quad_buffer_indices_byte; + } + else + { + if (ctx->quad_buffer_indices && + ctx->quad_buffer_indices_len < n_indices) + { + cogl_handle_unref (ctx->quad_buffer_indices); + ctx->quad_buffer_indices = COGL_INVALID_HANDLE; + } + + if (ctx->quad_buffer_indices == COGL_INVALID_HANDLE) + { + /* NB: cogl_get_quad_indices takes n_quads not n_indices... */ + CoglIndices *indices = + cogl_get_rectangle_indices (ctx, n_indices / 6); + cogl_object_ref (indices); + ctx->quad_buffer_indices = + _cogl_vertex_buffer_indices_new_real (indices); + } + + ctx->quad_buffer_indices_len = n_indices; + + return ctx->quad_buffer_indices; + } + + g_return_val_if_reached (NULL); +} + diff --git a/cogl/deprecated/cogl-vertex-buffer.h b/cogl/deprecated/cogl-vertex-buffer.h new file mode 100644 index 0000000..3b3a8df --- /dev/null +++ b/cogl/deprecated/cogl-vertex-buffer.h @@ -0,0 +1,451 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __COGL_VERTEX_BUFFER_H__ +#define __COGL_VERTEX_BUFFER_H__ + +#include +#include +#include +#include + +COGL_BEGIN_DECLS + +/** + * SECTION:cogl-vertex-buffer + * @short_description: An API for submitting extensible arrays of vertex + * attributes to be mapped into the GPU for fast drawing. + * + * For example to describe a textured triangle, you could create a new cogl + * vertex buffer with 3 vertices, and then you might add 2 attributes for each + * vertex: + * + * + * a "gl_Position" describing the (x,y,z) position for each vertex. + * + * + * a "gl_MultiTexCoord0" describing the (tx,ty) texture coordinates for each + * vertex. + * + * + * + * The Vertex Buffer API is designed to be a fairly raw mechanism for + * developers to be able to submit geometry to Cogl in a format that can be + * directly consumed by an OpenGL driver and mapped into your GPU for fast + * re-use. It is designed to avoid repeated validation of the attributes by the + * driver; to minimize transport costs (e.g. considering indirect GLX + * use-cases) and to potentially avoid repeated format conversions when + * attributes are supplied in a format that is not natively supported by the + * GPU. + * + * Although this API does allow you to modify attributes after they have been + * submitted to the GPU you should be aware that modification is not that + * cheap, since it implies validating the new data and potentially the + * OpenGL driver will need to reformat it for the GPU. + * + * If at all possible think of tricks that let you re-use static attributes, + * and if you do need to repeatedly update attributes (e.g. for some kind of + * morphing geometry) then only update and re-submit the specific attributes + * that have changed. + */ + +/** + * cogl_vertex_buffer_new: + * @n_vertices: The number of vertices that your attributes will correspond to. + * + * Creates a new vertex buffer that you can use to add attributes. + * + * Return value: a new #CoglHandle + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +CoglHandle +cogl_vertex_buffer_new (unsigned int n_vertices); + +/** + * cogl_vertex_buffer_get_n_vertices: + * @handle: A vertex buffer handle + * + * Retrieves the number of vertices that @handle represents + * + * Return value: the number of vertices + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +unsigned int +cogl_vertex_buffer_get_n_vertices (CoglHandle handle); + +/** + * cogl_vertex_buffer_add: + * @handle: A vertex buffer handle + * @attribute_name: The name of your attribute. It should be a valid GLSL + * variable name and standard attribute types must use one of following + * built-in names: (Note: they correspond to the built-in names of GLSL) + * + * "gl_Color" + * "gl_Normal" + * "gl_MultiTexCoord0, gl_MultiTexCoord1, ..." + * "gl_Vertex" + * + * To support adding multiple variations of the same attribute the name + * can have a detail component, E.g. "gl_Color::active" or + * "gl_Color::inactive" + * @n_components: The number of components per attribute and must be 1, 2, + * 3 or 4 + * @type: a #CoglAttributeType specifying the data type of each component. + * @normalized: If %TRUE, this specifies that values stored in an integer + * format should be mapped into the range [-1.0, 1.0] or [0.0, 1.0] + * for unsigned values. If %FALSE they are converted to floats + * directly. + * @stride: This specifies the number of bytes from the start of one attribute + * value to the start of the next value (for the same attribute). So, for + * example, with a position interleved with color like this: + * XYRGBAXYRGBAXYRGBA, then if each letter represents a byte, the + * stride for both attributes is 6. The special value 0 means the + * values are stored sequentially in memory. + * @pointer: This addresses the first attribute in the vertex array. This + * must remain valid until you either call cogl_vertex_buffer_submit() or + * issue a draw call. + * + * Adds an attribute to a buffer, or replaces a previously added + * attribute with the same name. + * + * You either can use one of the built-in names such as "gl_Vertex", or + * "gl_MultiTexCoord0" to add standard attributes, like positions, colors + * and normals, or you can add custom attributes for use in shaders. + * + * The number of vertices declared when calling cogl_vertex_buffer_new() + * determines how many attribute values will be read from the supplied + * @pointer. + * + * The data for your attribute isn't copied anywhere until you call + * cogl_vertex_buffer_submit(), or issue a draw call which automatically + * submits pending attribute changes. so the supplied pointer must remain + * valid until then. If you are updating an existing attribute (done by + * re-adding it) then you still need to re-call cogl_vertex_buffer_submit() + * to commit the changes to the GPU. Be carefull to minimize the number + * of calls to cogl_vertex_buffer_submit(), though. + * + * If you are interleving attributes it is assumed that each interleaved + * attribute starts no farther than +- stride bytes from the other attributes + * it is interleved with. I.e. this is ok: + * + * |-0-0-0-0-0-0-0-0-0-0| + * + * This is not ok: + * + * |- - - - -0-0-0-0-0-0 0 0 0 0| + * + * (Though you can have multiple groups of interleved attributes) + * + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +void +cogl_vertex_buffer_add (CoglHandle handle, + const char *attribute_name, + uint8_t n_components, + CoglAttributeType type, + CoglBool normalized, + uint16_t stride, + const void *pointer); + +/** + * cogl_vertex_buffer_delete: + * @handle: A vertex buffer handle + * @attribute_name: The name of a previously added attribute + * + * Deletes an attribute from a buffer. You will need to call + * cogl_vertex_buffer_submit() or issue a draw call to commit this + * change to the GPU. + * + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +void +cogl_vertex_buffer_delete (CoglHandle handle, + const char *attribute_name); + +/** + * cogl_vertex_buffer_submit: + * @handle: A vertex buffer handle + * + * Submits all the user added attributes to the GPU; once submitted, the + * attributes can be used for drawing. + * + * You should aim to minimize calls to this function since it implies + * validating your data; it potentially incurs a transport cost (especially if + * you are using GLX indirect rendering) and potentially a format conversion + * cost if the GPU doesn't natively support any of the given attribute formats. + * + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +void +cogl_vertex_buffer_submit (CoglHandle handle); + +/** + * cogl_vertex_buffer_disable: + * @handle: A vertex buffer handle + * @attribute_name: The name of the attribute you want to disable + * + * Disables a previosuly added attribute. + * + * Since it can be costly to add and remove new attributes to buffers; to make + * individual buffers more reuseable it is possible to enable and disable + * attributes before using a buffer for drawing. + * + * You don't need to call cogl_vertex_buffer_submit() after using this + * function. + * + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +void +cogl_vertex_buffer_disable (CoglHandle handle, + const char *attribute_name); + +/** + * cogl_vertex_buffer_enable: + * @handle: A vertex buffer handle + * @attribute_name: The name of the attribute you want to enable + * + * Enables a previosuly disabled attribute. + * + * Since it can be costly to add and remove new attributes to buffers; to make + * individual buffers more reuseable it is possible to enable and disable + * attributes before using a buffer for drawing. + * + * You don't need to call cogl_vertex_buffer_submit() after using this function + * + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +void +cogl_vertex_buffer_enable (CoglHandle handle, + const char *attribute_name); + +/** + * cogl_vertex_buffer_draw: + * @handle: A vertex buffer handle + * @mode: A #CoglVerticesMode specifying how the vertices should be + * interpreted. + * @first: Specifies the index of the first vertex you want to draw with + * @count: Specifies the number of vertices you want to draw. + * + * Allows you to draw geometry using all or a subset of the + * vertices in a vertex buffer. + * + * Any un-submitted attribute changes are automatically submitted before + * drawing. + * + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +void +cogl_vertex_buffer_draw (CoglHandle handle, + CoglVerticesMode mode, + int first, + int count); + +/** + * cogl_vertex_buffer_indices_new: + * @indices_type: a #CoglIndicesType specifying the data type used for + * the indices. + * @indices_array: (array length=indices_len): Specifies the address of + * your array of indices + * @indices_len: The number of indices in indices_array + * + * Depending on how much geometry you are submitting it can be worthwhile + * optimizing the number of redundant vertices you submit. Using an index + * array allows you to reference vertices multiple times, for example + * during triangle strips. + * + * Return value: A CoglHandle for the indices which you can pass to + * cogl_vertex_buffer_draw_elements(). + * + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +CoglHandle +cogl_vertex_buffer_indices_new (CoglIndicesType indices_type, + const void *indices_array, + int indices_len); + +/** + * cogl_vertex_buffer_indices_get_type: + * @indices: An indices handle + * + * Queries back the data type used for the given indices + * + * Returns: The CoglIndicesType used + * + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +CoglIndicesType +cogl_vertex_buffer_indices_get_type (CoglHandle indices); + +/** + * cogl_vertex_buffer_draw_elements: + * @handle: A vertex buffer handle + * @mode: A #CoglVerticesMode specifying how the vertices should be + * interpreted. + * @indices: A CoglHandle for a set of indices allocated via + * cogl_vertex_buffer_indices_new () + * @min_index: Specifies the minimum vertex index contained in indices + * @max_index: Specifies the maximum vertex index contained in indices + * @indices_offset: An offset into named indices. The offset marks the first + * index to use for drawing. + * @count: Specifies the number of vertices you want to draw. + * + * This function lets you use an array of indices to specify the vertices + * within your vertex buffer that you want to draw. The indices themselves + * are created by calling cogl_vertex_buffer_indices_new () + * + * Any un-submitted attribute changes are automatically submitted before + * drawing. + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +void +cogl_vertex_buffer_draw_elements (CoglHandle handle, + CoglVerticesMode mode, + CoglHandle indices, + int min_index, + int max_index, + int indices_offset, + int count); + +/** + * cogl_vertex_buffer_ref: + * @handle: a @CoglHandle. + * + * Increment the reference count for a vertex buffer + * + * Return value: the @handle. + * + * Deprecated: 1.2: Use cogl_object_ref() instead + */ +COGL_DEPRECATED_FOR (cogl_object_ref) +CoglHandle +cogl_vertex_buffer_ref (CoglHandle handle); + +/** + * cogl_vertex_buffer_unref: + * @handle: a @CoglHandle. + * + * Decrement the reference count for a vertex buffer + * + * Deprecated: 1.2: Use cogl_object_unref() instead + */ +COGL_DEPRECATED_FOR (cogl_object_unref) +void +cogl_vertex_buffer_unref (CoglHandle handle); + +/** + * cogl_vertex_buffer_indices_get_for_quads: + * @n_indices: the number of indices in the vertex buffer. + * + * Creates a vertex buffer containing the indices needed to draw pairs + * of triangles from a list of vertices grouped as quads. There will + * be at least @n_indices entries in the buffer (but there may be + * more). + * + * The indices will follow this pattern: + * + * 0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7 ... etc + * + * For example, if you submit vertices for a quad like like that shown + * in then you can request 6 + * indices to render two triangles like those shown in . + * + *
+ * Example of vertices submitted to form a quad + * + *
+ * + *
+ * Illustration of the triangle indices that will be generated + * + *
+ * + * Returns: A %CoglHandle containing the indices. The handled is + * owned by Cogl and should not be modified or unref'd. + * + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +CoglHandle +cogl_vertex_buffer_indices_get_for_quads (unsigned int n_indices); + +/** + * cogl_is_vertex_buffer: + * @handle: a #CoglHandle for a vertex buffer object + * + * Checks whether @handle is a Vertex Buffer Object + * + * Return value: %TRUE if the handle is a VBO, and %FALSE + * otherwise + * + * Since: 1.0 + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +CoglBool +cogl_is_vertex_buffer (CoglHandle handle); + +/** + * cogl_is_vertex_buffer_indices: + * @handle: a #CoglHandle + * + * Checks whether @handle is a handle to the indices for a vertex + * buffer object + * + * Return value: %TRUE if the handle is indices, and %FALSE + * otherwise + * + * Since: 1.4 + * Deprecated: 1.16: Use the #CoglPrimitive api instead + */ +COGL_DEPRECATED_IN_1_16_FOR (cogl_primitive_API) +CoglBool +cogl_is_vertex_buffer_indices (CoglHandle handle); +COGL_END_DECLS + +#endif /* __COGL_VERTEX_BUFFER_H__ */ diff --git a/cogl/driver/gl/cogl-attribute-gl-private.h b/cogl/driver/gl/cogl-attribute-gl-private.h new file mode 100644 index 0000000..efb3c0e --- /dev/null +++ b/cogl/driver/gl/cogl-attribute-gl-private.h @@ -0,0 +1,53 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef _COGL_ATTRIBUTE_GL_PRIVATE_H_ +#define _COGL_ATTRIBUTE_GL_PRIVATE_H_ + +#include "cogl-types.h" +#include "cogl-framebuffer.h" +#include "cogl-attribute.h" +#include "cogl-attribute-private.h" + +void +_cogl_gl_flush_attributes_state (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglFlushLayerState *layers_state, + CoglDrawFlags flags, + CoglAttribute **attributes, + int n_attributes); + +void +_cogl_gl_disable_all_attributes (CoglContext *ctx); + +#endif /* _COGL_ATTRIBUTE_GL_PRIVATE_H_ */ diff --git a/cogl/driver/gl/cogl-attribute-gl.c b/cogl/driver/gl/cogl-attribute-gl.c new file mode 100644 index 0000000..b23b0ab --- /dev/null +++ b/cogl/driver/gl/cogl-attribute-gl.c @@ -0,0 +1,539 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2011,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-error-private.h" +#include "cogl-context-private.h" +#include "cogl-attribute.h" +#include "cogl-attribute-private.h" +#include "cogl-attribute-gl-private.h" +#include "cogl-pipeline-progend-glsl-private.h" +#include "cogl-buffer-gl-private.h" + +typedef struct _ForeachChangedBitState +{ + CoglContext *context; + const CoglBitmask *new_bits; + CoglPipeline *pipeline; +} ForeachChangedBitState; + +static CoglBool +toggle_builtin_attribute_enabled_cb (int bit_num, void *user_data) +{ + ForeachChangedBitState *state = user_data; + CoglContext *context = state->context; + + _COGL_RETURN_VAL_IF_FAIL (_cogl_has_private_feature + (context, COGL_PRIVATE_FEATURE_GL_FIXED), + FALSE); + +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES) + { + CoglBool enabled = _cogl_bitmask_get (state->new_bits, bit_num); + GLenum cap; + + switch (bit_num) + { + case COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY: + cap = GL_COLOR_ARRAY; + break; + case COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY: + cap = GL_VERTEX_ARRAY; + break; + case COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY: + cap = GL_NORMAL_ARRAY; + break; + } + if (enabled) + GE (context, glEnableClientState (cap)); + else + GE (context, glDisableClientState (cap)); + } +#endif + + return TRUE; +} + +static CoglBool +toggle_texcood_attribute_enabled_cb (int bit_num, void *user_data) +{ + ForeachChangedBitState *state = user_data; + CoglContext *context = state->context; + + _COGL_RETURN_VAL_IF_FAIL (_cogl_has_private_feature + (context, COGL_PRIVATE_FEATURE_GL_FIXED), + FALSE); + +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES) + { + CoglBool enabled = _cogl_bitmask_get (state->new_bits, bit_num); + + GE( context, glClientActiveTexture (GL_TEXTURE0 + bit_num) ); + + if (enabled) + GE( context, glEnableClientState (GL_TEXTURE_COORD_ARRAY) ); + else + GE( context, glDisableClientState (GL_TEXTURE_COORD_ARRAY) ); + } +#endif + + return TRUE; +} + +static CoglBool +toggle_custom_attribute_enabled_cb (int bit_num, void *user_data) +{ + ForeachChangedBitState *state = user_data; + CoglBool enabled = _cogl_bitmask_get (state->new_bits, bit_num); + CoglContext *context = state->context; + + if (enabled) + GE( context, glEnableVertexAttribArray (bit_num) ); + else + GE( context, glDisableVertexAttribArray (bit_num) ); + + return TRUE; +} + +static void +foreach_changed_bit_and_save (CoglContext *context, + CoglBitmask *current_bits, + const CoglBitmask *new_bits, + CoglBitmaskForeachFunc callback, + ForeachChangedBitState *state) +{ + /* Get the list of bits that are different */ + _cogl_bitmask_clear_all (&context->changed_bits_tmp); + _cogl_bitmask_set_bits (&context->changed_bits_tmp, current_bits); + _cogl_bitmask_xor_bits (&context->changed_bits_tmp, new_bits); + + /* Iterate over each bit to change */ + state->new_bits = new_bits; + _cogl_bitmask_foreach (&context->changed_bits_tmp, + callback, + state); + + /* Store the new values */ + _cogl_bitmask_clear_all (current_bits); + _cogl_bitmask_set_bits (current_bits, new_bits); +} + +#ifdef COGL_PIPELINE_PROGEND_GLSL + +static void +setup_generic_buffered_attribute (CoglContext *context, + CoglPipeline *pipeline, + CoglAttribute *attribute, + uint8_t *base) +{ + int name_index = attribute->name_state->name_index; + int attrib_location = + _cogl_pipeline_progend_glsl_get_attrib_location (pipeline, name_index); + + if (attrib_location == -1) + return; + + GE( context, glVertexAttribPointer (attrib_location, + attribute->d.buffered.n_components, + attribute->d.buffered.type, + attribute->normalized, + attribute->d.buffered.stride, + base + attribute->d.buffered.offset) ); + _cogl_bitmask_set (&context->enable_custom_attributes_tmp, + attrib_location, TRUE); +} + +static void +setup_generic_const_attribute (CoglContext *context, + CoglPipeline *pipeline, + CoglAttribute *attribute) +{ + int name_index = attribute->name_state->name_index; + int attrib_location = + _cogl_pipeline_progend_glsl_get_attrib_location (pipeline, name_index); + int columns; + int i; + + if (attrib_location == -1) + return; + + if (attribute->d.constant.boxed.type == COGL_BOXED_MATRIX) + columns = attribute->d.constant.boxed.size; + else + columns = 1; + + /* Note: it's ok to access a COGL_BOXED_FLOAT as a matrix with only + * one column... */ + + switch (attribute->d.constant.boxed.size) + { + case 1: + GE( context, glVertexAttrib1fv (attrib_location, + attribute->d.constant.boxed.v.matrix)); + break; + case 2: + for (i = 0; i < columns; i++) + GE( context, glVertexAttrib2fv (attrib_location + i, + attribute->d.constant.boxed.v.matrix)); + break; + case 3: + for (i = 0; i < columns; i++) + GE( context, glVertexAttrib3fv (attrib_location + i, + attribute->d.constant.boxed.v.matrix)); + break; + case 4: + for (i = 0; i < columns; i++) + GE( context, glVertexAttrib4fv (attrib_location + i, + attribute->d.constant.boxed.v.matrix)); + break; + default: + g_warn_if_reached (); + } +} + +#endif /* COGL_PIPELINE_PROGEND_GLSL */ + +static void +setup_legacy_buffered_attribute (CoglContext *ctx, + CoglPipeline *pipeline, + CoglAttribute *attribute, + uint8_t *base) +{ + switch (attribute->name_state->name_id) + { + case COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY: + _cogl_bitmask_set (&ctx->enable_builtin_attributes_tmp, + COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY, TRUE); + GE (ctx, glColorPointer (attribute->d.buffered.n_components, + attribute->d.buffered.type, + attribute->d.buffered.stride, + base + attribute->d.buffered.offset)); + break; + case COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY: + _cogl_bitmask_set (&ctx->enable_builtin_attributes_tmp, + COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY, TRUE); + GE (ctx, glNormalPointer (attribute->d.buffered.type, + attribute->d.buffered.stride, + base + attribute->d.buffered.offset)); + break; + case COGL_ATTRIBUTE_NAME_ID_TEXTURE_COORD_ARRAY: + { + int layer_number = attribute->name_state->layer_number; + const CoglPipelineGetLayerFlags flags = + COGL_PIPELINE_GET_LAYER_NO_CREATE; + CoglPipelineLayer *layer = + _cogl_pipeline_get_layer_with_flags (pipeline, layer_number, flags); + + if (layer) + { + int unit = _cogl_pipeline_layer_get_unit_index (layer); + + _cogl_bitmask_set (&ctx->enable_texcoord_attributes_tmp, + unit, + TRUE); + + GE (ctx, glClientActiveTexture (GL_TEXTURE0 + unit)); + GE (ctx, glTexCoordPointer (attribute->d.buffered.n_components, + attribute->d.buffered.type, + attribute->d.buffered.stride, + base + attribute->d.buffered.offset)); + } + break; + } + case COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY: + _cogl_bitmask_set (&ctx->enable_builtin_attributes_tmp, + COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY, TRUE); + GE (ctx, glVertexPointer (attribute->d.buffered.n_components, + attribute->d.buffered.type, + attribute->d.buffered.stride, + base + attribute->d.buffered.offset)); + break; + case COGL_ATTRIBUTE_NAME_ID_CUSTOM_ARRAY: +#ifdef COGL_PIPELINE_PROGEND_GLSL + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_PROGRAMMABLE)) + setup_generic_buffered_attribute (ctx, pipeline, attribute, base); +#endif + break; + default: + g_warn_if_reached (); + } +} + +static void +setup_legacy_const_attribute (CoglContext *ctx, + CoglPipeline *pipeline, + CoglAttribute *attribute) +{ +#ifdef COGL_PIPELINE_PROGEND_GLSL + if (attribute->name_state->name_id == COGL_ATTRIBUTE_NAME_ID_CUSTOM_ARRAY) + { + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_PROGRAMMABLE)) + setup_generic_const_attribute (ctx, pipeline, attribute); + } + else +#endif + { + float vector[4] = { 0, 0, 0, 1 }; + float *boxed = attribute->d.constant.boxed.v.float_value; + int n_components = attribute->d.constant.boxed.size; + int i; + + for (i = 0; i < n_components; i++) + vector[i] = boxed[i]; + + switch (attribute->name_state->name_id) + { + case COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY: + GE (ctx, glColor4f (vector[0], vector[1], vector[2], vector[3])); + break; + case COGL_ATTRIBUTE_NAME_ID_NORMAL_ARRAY: + GE (ctx, glNormal3f (vector[0], vector[1], vector[2])); + break; + case COGL_ATTRIBUTE_NAME_ID_TEXTURE_COORD_ARRAY: + { + int layer_number = attribute->name_state->layer_number; + const CoglPipelineGetLayerFlags flags = + COGL_PIPELINE_GET_LAYER_NO_CREATE; + CoglPipelineLayer *layer = + _cogl_pipeline_get_layer_with_flags (pipeline, + layer_number, + flags); + + if (layer) + { + int unit = _cogl_pipeline_layer_get_unit_index (layer); + + GE (ctx, glClientActiveTexture (GL_TEXTURE0 + unit)); + + GE (ctx, glMultiTexCoord4f (vector[0], + vector[1], + vector[2], + vector[3])); + } + break; + } + case COGL_ATTRIBUTE_NAME_ID_POSITION_ARRAY: + GE (ctx, glVertex4f (vector[0], vector[1], vector[2], vector[3])); + break; + default: + g_warn_if_reached (); + } + } +} + +static void +apply_attribute_enable_updates (CoglContext *context, + CoglPipeline *pipeline) +{ + ForeachChangedBitState changed_bits_state; + + changed_bits_state.context = context; + changed_bits_state.new_bits = &context->enable_builtin_attributes_tmp; + changed_bits_state.pipeline = pipeline; + + foreach_changed_bit_and_save (context, + &context->enabled_builtin_attributes, + &context->enable_builtin_attributes_tmp, + toggle_builtin_attribute_enabled_cb, + &changed_bits_state); + + changed_bits_state.new_bits = &context->enable_texcoord_attributes_tmp; + foreach_changed_bit_and_save (context, + &context->enabled_texcoord_attributes, + &context->enable_texcoord_attributes_tmp, + toggle_texcood_attribute_enabled_cb, + &changed_bits_state); + + changed_bits_state.new_bits = &context->enable_custom_attributes_tmp; + foreach_changed_bit_and_save (context, + &context->enabled_custom_attributes, + &context->enable_custom_attributes_tmp, + toggle_custom_attribute_enabled_cb, + &changed_bits_state); +} + +void +_cogl_gl_flush_attributes_state (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglFlushLayerState *layers_state, + CoglDrawFlags flags, + CoglAttribute **attributes, + int n_attributes) +{ + CoglContext *ctx = framebuffer->context; + int i; + CoglBool with_color_attrib = FALSE; + CoglBool unknown_color_alpha = FALSE; + CoglPipeline *copy = NULL; + + /* Iterate the attributes to see if we have a color attribute which + * may affect our decision to enable blending or not. + * + * We need to do this before flushing the pipeline. */ + for (i = 0; i < n_attributes; i++) + switch (attributes[i]->name_state->name_id) + { + case COGL_ATTRIBUTE_NAME_ID_COLOR_ARRAY: + if ((flags & COGL_DRAW_COLOR_ATTRIBUTE_IS_OPAQUE) == 0 && + _cogl_attribute_get_n_components (attributes[i]) == 4) + unknown_color_alpha = TRUE; + with_color_attrib = TRUE; + break; + + default: + break; + } + + if (G_UNLIKELY (layers_state->options.flags)) + { + /* If we haven't already created a derived pipeline... */ + if (!copy) + { + copy = cogl_pipeline_copy (pipeline); + pipeline = copy; + } + _cogl_pipeline_apply_overrides (pipeline, &layers_state->options); + + /* TODO: + * overrides = cogl_pipeline_get_data (pipeline, + * last_overrides_key); + * if (overrides) + * { + * age = cogl_pipeline_get_age (pipeline); + * XXX: actually we also need to check for legacy_state + * and blending overrides for use of glColorPointer... + * if (overrides->ags != age || + * memcmp (&overrides->options, &options, + * sizeof (options) != 0) + * { + * cogl_object_unref (overrides->weak_pipeline); + * g_slice_free (Overrides, overrides); + * overrides = NULL; + * } + * } + * if (!overrides) + * { + * overrides = g_slice_new (Overrides); + * overrides->weak_pipeline = + * cogl_pipeline_weak_copy (pipeline); + * _cogl_pipeline_apply_overrides (overrides->weak_pipeline, + * &options); + * + * cogl_pipeline_set_data (pipeline, last_overrides_key, + * weak_overrides, + * free_overrides_cb, + * NULL); + * } + * pipeline = overrides->weak_pipeline; + */ + } + + _cogl_pipeline_flush_gl_state (ctx, + pipeline, + framebuffer, + with_color_attrib, + unknown_color_alpha); + + _cogl_bitmask_clear_all (&ctx->enable_builtin_attributes_tmp); + _cogl_bitmask_clear_all (&ctx->enable_texcoord_attributes_tmp); + _cogl_bitmask_clear_all (&ctx->enable_custom_attributes_tmp); + + /* Bind the attribute pointers. We need to do this after the + * pipeline is flushed because when using GLSL that is the only + * point when we can determine the attribute locations */ + + for (i = 0; i < n_attributes; i++) + { + CoglAttribute *attribute = attributes[i]; + CoglAttributeBuffer *attribute_buffer; + CoglBuffer *buffer; + uint8_t *base; + + if (attribute->is_buffered) + { + attribute_buffer = cogl_attribute_get_buffer (attribute); + buffer = COGL_BUFFER (attribute_buffer); + + /* Note: we don't try and catch errors with binding buffers + * here since OOM errors at this point indicate that nothing + * has yet been uploaded to attribute buffer which we + * consider to be a programmer error. + */ + base = + _cogl_buffer_gl_bind (buffer, + COGL_BUFFER_BIND_TARGET_ATTRIBUTE_BUFFER, + NULL); + + if (pipeline->progend == COGL_PIPELINE_PROGEND_GLSL) + setup_generic_buffered_attribute (ctx, pipeline, attribute, base); + else + setup_legacy_buffered_attribute (ctx, pipeline, attribute, base); + + _cogl_buffer_gl_unbind (buffer); + } + else + { + if (pipeline->progend == COGL_PIPELINE_PROGEND_GLSL) + setup_generic_const_attribute (ctx, pipeline, attribute); + else + setup_legacy_const_attribute (ctx, pipeline, attribute); + } + } + + apply_attribute_enable_updates (ctx, pipeline); + + if (copy) + cogl_object_unref (copy); +} + +void +_cogl_gl_disable_all_attributes (CoglContext *ctx) +{ + _cogl_bitmask_clear_all (&ctx->enable_builtin_attributes_tmp); + _cogl_bitmask_clear_all (&ctx->enable_texcoord_attributes_tmp); + _cogl_bitmask_clear_all (&ctx->enable_custom_attributes_tmp); + + /* XXX: we can pass a NULL source pipeline here because we know a + * source pipeline only needs to be referenced when enabling + * attributes. */ + apply_attribute_enable_updates (ctx, NULL); +} diff --git a/cogl/driver/gl/cogl-buffer-gl-private.h b/cogl/driver/gl/cogl-buffer-gl-private.h new file mode 100644 index 0000000..b8f0435 --- /dev/null +++ b/cogl/driver/gl/cogl-buffer-gl-private.h @@ -0,0 +1,74 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef _COGL_BUFFER_GL_PRIVATE_H_ +#define _COGL_BUFFER_GL_PRIVATE_H_ + +#include "cogl-types.h" +#include "cogl-context.h" +#include "cogl-buffer.h" +#include "cogl-buffer-private.h" + +void +_cogl_buffer_gl_create (CoglBuffer *buffer); + +void +_cogl_buffer_gl_destroy (CoglBuffer *buffer); + +void * +_cogl_buffer_gl_map_range (CoglBuffer *buffer, + size_t offset, + size_t size, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error); + +void +_cogl_buffer_gl_unmap (CoglBuffer *buffer); + +CoglBool +_cogl_buffer_gl_set_data (CoglBuffer *buffer, + unsigned int offset, + const void *data, + unsigned int size, + CoglError **error); + +void * +_cogl_buffer_gl_bind (CoglBuffer *buffer, + CoglBufferBindTarget target, + CoglError **error); + +void +_cogl_buffer_gl_unbind (CoglBuffer *buffer); + +#endif /* _COGL_BUFFER_GL_PRIVATE_H_ */ diff --git a/cogl/driver/gl/cogl-buffer-gl.c b/cogl/driver/gl/cogl-buffer-gl.c new file mode 100644 index 0000000..0f98406 --- /dev/null +++ b/cogl/driver/gl/cogl-buffer-gl.c @@ -0,0 +1,442 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2011,2012,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Damien Lespiau + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-buffer-gl-private.h" +#include "cogl-error-private.h" +#include "cogl-util-gl-private.h" + +/* + * GL/GLES compatibility defines for the buffer API: + */ + +#ifndef GL_PIXEL_PACK_BUFFER +#define GL_PIXEL_PACK_BUFFER 0x88EB +#endif +#ifndef GL_PIXEL_UNPACK_BUFFER +#define GL_PIXEL_UNPACK_BUFFER 0x88EC +#endif +#ifndef GL_ARRAY_BUFFER +#define GL_ARRAY_BUFFER 0x8892 +#endif +#ifndef GL_ELEMENT_ARRAY_BUFFER +#define GL_ARRAY_BUFFER 0x8893 +#endif +#ifndef GL_READ_ONLY +#define GL_READ_ONLY 0x88B8 +#endif +#ifndef GL_WRITE_ONLY +#define GL_WRITE_ONLY 0x88B9 +#endif +#ifndef GL_READ_WRITE +#define GL_READ_WRITE 0x88BA +#endif +#ifndef GL_MAP_READ_BIT +#define GL_MAP_READ_BIT 0x0001 +#endif +#ifndef GL_MAP_WRITE_BIT +#define GL_MAP_WRITE_BIT 0x0002 +#endif +#ifndef GL_MAP_INVALIDATE_RANGE_BIT +#define GL_MAP_INVALIDATE_RANGE_BIT 0x0004 +#endif +#ifndef GL_MAP_INVALIDATE_BUFFER_BIT +#define GL_MAP_INVALIDATE_BUFFER_BIT 0x0008 +#endif + +void +_cogl_buffer_gl_create (CoglBuffer *buffer) +{ + CoglContext *ctx = buffer->context; + + GE (ctx, glGenBuffers (1, &buffer->gl_handle)); +} + +void +_cogl_buffer_gl_destroy (CoglBuffer *buffer) +{ + GE( buffer->context, glDeleteBuffers (1, &buffer->gl_handle) ); +} + +static GLenum +update_hints_to_gl_enum (CoglBuffer *buffer) +{ + /* usage hint is always DRAW for now */ + switch (buffer->update_hint) + { + case COGL_BUFFER_UPDATE_HINT_STATIC: + return GL_STATIC_DRAW; + case COGL_BUFFER_UPDATE_HINT_DYNAMIC: + return GL_DYNAMIC_DRAW; + + case COGL_BUFFER_UPDATE_HINT_STREAM: + /* OpenGL ES 1.1 only knows about STATIC_DRAW and DYNAMIC_DRAW */ +#if defined(HAVE_COGL_GL) || defined(HAVE_COGL_GLES2) + if (buffer->context->driver != COGL_DRIVER_GLES1) + return GL_STREAM_DRAW; +#else + return GL_DYNAMIC_DRAW; +#endif + } + + g_assert_not_reached (); +} + +static GLenum +convert_bind_target_to_gl_target (CoglBufferBindTarget target) +{ + switch (target) + { + case COGL_BUFFER_BIND_TARGET_PIXEL_PACK: + return GL_PIXEL_PACK_BUFFER; + case COGL_BUFFER_BIND_TARGET_PIXEL_UNPACK: + return GL_PIXEL_UNPACK_BUFFER; + case COGL_BUFFER_BIND_TARGET_ATTRIBUTE_BUFFER: + return GL_ARRAY_BUFFER; + case COGL_BUFFER_BIND_TARGET_INDEX_BUFFER: + return GL_ELEMENT_ARRAY_BUFFER; + default: + g_return_val_if_reached (COGL_BUFFER_BIND_TARGET_PIXEL_UNPACK); + } +} + +static CoglBool +recreate_store (CoglBuffer *buffer, + CoglError **error) +{ + CoglContext *ctx = buffer->context; + GLenum gl_target; + GLenum gl_enum; + GLenum gl_error; + + /* This assumes the buffer is already bound */ + + gl_target = convert_bind_target_to_gl_target (buffer->last_target); + gl_enum = update_hints_to_gl_enum (buffer); + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glBufferData (gl_target, + buffer->size, + NULL, + gl_enum); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + return FALSE; + + buffer->store_created = TRUE; + return TRUE; +} + +GLenum +_cogl_buffer_access_to_gl_enum (CoglBufferAccess access) +{ + if ((access & COGL_BUFFER_ACCESS_READ_WRITE) == COGL_BUFFER_ACCESS_READ_WRITE) + return GL_READ_WRITE; + else if (access & COGL_BUFFER_ACCESS_WRITE) + return GL_WRITE_ONLY; + else + return GL_READ_ONLY; +} + +static void * +_cogl_buffer_bind_no_create (CoglBuffer *buffer, + CoglBufferBindTarget target) +{ + CoglContext *ctx = buffer->context; + + _COGL_RETURN_VAL_IF_FAIL (buffer != NULL, NULL); + + /* Don't allow binding the buffer to multiple targets at the same time */ + _COGL_RETURN_VAL_IF_FAIL (ctx->current_buffer[buffer->last_target] != buffer, + NULL); + + /* Don't allow nesting binds to the same target */ + _COGL_RETURN_VAL_IF_FAIL (ctx->current_buffer[target] == NULL, NULL); + + buffer->last_target = target; + ctx->current_buffer[target] = buffer; + + if (buffer->flags & COGL_BUFFER_FLAG_BUFFER_OBJECT) + { + GLenum gl_target = convert_bind_target_to_gl_target (buffer->last_target); + GE( ctx, glBindBuffer (gl_target, buffer->gl_handle) ); + return NULL; + } + else + return buffer->data; +} + +void * +_cogl_buffer_gl_map_range (CoglBuffer *buffer, + size_t offset, + size_t size, + CoglBufferAccess access, + CoglBufferMapHint hints, + CoglError **error) +{ + uint8_t *data; + CoglBufferBindTarget target; + GLenum gl_target; + CoglContext *ctx = buffer->context; + GLenum gl_error; + + if (((access & COGL_BUFFER_ACCESS_READ) && + !cogl_has_feature (ctx, COGL_FEATURE_ID_MAP_BUFFER_FOR_READ)) || + ((access & COGL_BUFFER_ACCESS_WRITE) && + !cogl_has_feature (ctx, COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE))) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Tried to map a buffer with unsupported access mode"); + return NULL; + } + + target = buffer->last_target; + _cogl_buffer_bind_no_create (buffer, target); + + gl_target = convert_bind_target_to_gl_target (target); + + if ((hints & COGL_BUFFER_MAP_HINT_DISCARD_RANGE) && + offset == 0 && size >= buffer->size) + hints |= COGL_BUFFER_MAP_HINT_DISCARD; + + /* If the map buffer range extension is supported then we will + * always use it even if we are mapping the full range because the + * normal mapping function doesn't support passing the discard + * hints */ + if (ctx->glMapBufferRange) + { + GLbitfield gl_access = 0; + CoglBool should_recreate_store = !buffer->store_created; + + if ((access & COGL_BUFFER_ACCESS_READ)) + gl_access |= GL_MAP_READ_BIT; + if ((access & COGL_BUFFER_ACCESS_WRITE)) + gl_access |= GL_MAP_WRITE_BIT; + + if ((hints & COGL_BUFFER_MAP_HINT_DISCARD)) + { + /* glMapBufferRange generates an error if you pass the + * discard hint along with asking for read access. However + * it can make sense to ask for both if write access is also + * requested so that the application can immediately read + * back what it just wrote. To work around the restriction + * in GL we just recreate the buffer storage in that case + * which is an alternative way to indicate that the buffer + * contents can be discarded. */ + if ((access & COGL_BUFFER_ACCESS_READ)) + should_recreate_store = TRUE; + else + gl_access |= GL_MAP_INVALIDATE_BUFFER_BIT; + } + else if ((hints & COGL_BUFFER_MAP_HINT_DISCARD_RANGE) && + !(access & COGL_BUFFER_ACCESS_READ)) + gl_access |= GL_MAP_INVALIDATE_RANGE_BIT; + + if (should_recreate_store) + { + if (!recreate_store (buffer, error)) + { + _cogl_buffer_gl_unbind (buffer); + return NULL; + } + } + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + data = ctx->glMapBufferRange (gl_target, + offset, + size, + gl_access); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + { + _cogl_buffer_gl_unbind (buffer); + return NULL; + } + + _COGL_RETURN_VAL_IF_FAIL (data != NULL, NULL); + } + else + { + /* create an empty store if we don't have one yet. creating the store + * lazily allows the user of the CoglBuffer to set a hint before the + * store is created. */ + if (!buffer->store_created || + (hints & COGL_BUFFER_MAP_HINT_DISCARD)) + { + if (!recreate_store (buffer, error)) + { + _cogl_buffer_gl_unbind (buffer); + return NULL; + } + } + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + data = ctx->glMapBuffer (gl_target, + _cogl_buffer_access_to_gl_enum (access)); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + { + _cogl_buffer_gl_unbind (buffer); + return NULL; + } + + _COGL_RETURN_VAL_IF_FAIL (data != NULL, NULL); + + data += offset; + } + + if (data) + buffer->flags |= COGL_BUFFER_FLAG_MAPPED; + + _cogl_buffer_gl_unbind (buffer); + + return data; +} + +void +_cogl_buffer_gl_unmap (CoglBuffer *buffer) +{ + CoglContext *ctx = buffer->context; + + _cogl_buffer_bind_no_create (buffer, buffer->last_target); + + GE( ctx, glUnmapBuffer (convert_bind_target_to_gl_target + (buffer->last_target)) ); + buffer->flags &= ~COGL_BUFFER_FLAG_MAPPED; + + _cogl_buffer_gl_unbind (buffer); +} + +CoglBool +_cogl_buffer_gl_set_data (CoglBuffer *buffer, + unsigned int offset, + const void *data, + unsigned int size, + CoglError **error) +{ + CoglBufferBindTarget target; + GLenum gl_target; + CoglContext *ctx = buffer->context; + GLenum gl_error; + CoglBool status = TRUE; + CoglError *internal_error = NULL; + + target = buffer->last_target; + + _cogl_buffer_gl_bind (buffer, target, &internal_error); + + /* NB: _cogl_buffer_gl_bind() may return NULL in non-error + * conditions so we have to explicity check internal_error + * to see if an exception was thrown. + */ + if (internal_error) + { + _cogl_propagate_error (error, internal_error); + return FALSE; + } + + gl_target = convert_bind_target_to_gl_target (target); + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glBufferSubData (gl_target, offset, size, data); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + status = FALSE; + + _cogl_buffer_gl_unbind (buffer); + + return status; +} + +void * +_cogl_buffer_gl_bind (CoglBuffer *buffer, + CoglBufferBindTarget target, + CoglError **error) +{ + void *ret; + + ret = _cogl_buffer_bind_no_create (buffer, target); + + /* create an empty store if we don't have one yet. creating the store + * lazily allows the user of the CoglBuffer to set a hint before the + * store is created. */ + if ((buffer->flags & COGL_BUFFER_FLAG_BUFFER_OBJECT) && + !buffer->store_created) + { + if (!recreate_store (buffer, error)) + { + _cogl_buffer_gl_unbind (buffer); + return NULL; + } + } + + return ret; +} + +void +_cogl_buffer_gl_unbind (CoglBuffer *buffer) +{ + CoglContext *ctx = buffer->context; + + _COGL_RETURN_IF_FAIL (buffer != NULL); + + /* the unbind should pair up with a previous bind */ + _COGL_RETURN_IF_FAIL (ctx->current_buffer[buffer->last_target] == buffer); + + if (buffer->flags & COGL_BUFFER_FLAG_BUFFER_OBJECT) + { + GLenum gl_target = convert_bind_target_to_gl_target (buffer->last_target); + GE( ctx, glBindBuffer (gl_target, 0) ); + } + + ctx->current_buffer[buffer->last_target] = NULL; +} diff --git a/cogl/driver/gl/cogl-clip-stack-gl-private.h b/cogl/driver/gl/cogl-clip-stack-gl-private.h new file mode 100644 index 0000000..ff22d26 --- /dev/null +++ b/cogl/driver/gl/cogl-clip-stack-gl-private.h @@ -0,0 +1,45 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef _COGL_CLIP_STACK_GL_PRIVATE_H_ +#define _COGL_CLIP_STACK_GL_PRIVATE_H_ + +#include "cogl-types.h" +#include "cogl-framebuffer.h" +#include "cogl-clip-stack.h" + +void +_cogl_clip_stack_gl_flush (CoglClipStack *stack, + CoglFramebuffer *framebuffer); + +#endif /* _COGL_CLIP_STACK_GL_PRIVATE_H_ */ diff --git a/cogl/driver/gl/cogl-clip-stack-gl.c b/cogl/driver/gl/cogl-clip-stack-gl.c new file mode 100644 index 0000000..ea1ae62 --- /dev/null +++ b/cogl/driver/gl/cogl-clip-stack-gl.c @@ -0,0 +1,627 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010,2011,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-primitives-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-clip-stack-gl-private.h" +#include "cogl-primitive-private.h" + +#ifndef GL_CLIP_PLANE0 +#define GL_CLIP_PLANE0 0x3000 +#define GL_CLIP_PLANE1 0x3001 +#define GL_CLIP_PLANE2 0x3002 +#define GL_CLIP_PLANE3 0x3003 +#define GL_CLIP_PLANE4 0x3004 +#define GL_CLIP_PLANE5 0x3005 +#endif + +static void +project_vertex (const CoglMatrix *modelview_projection, + float *vertex) +{ + int i; + + cogl_matrix_transform_point (modelview_projection, + &vertex[0], &vertex[1], + &vertex[2], &vertex[3]); + + /* Convert from homogenized coordinates */ + for (i = 0; i < 4; i++) + vertex[i] /= vertex[3]; +} + +static void +set_clip_plane (CoglFramebuffer *framebuffer, + int plane_num, + const float *vertex_a, + const float *vertex_b) +{ + CoglContext *ctx = framebuffer->context; + float planef[4]; + double planed[4]; + float angle; + CoglMatrixStack *modelview_stack = + _cogl_framebuffer_get_modelview_stack (framebuffer); + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + CoglMatrix inverse_projection; + + cogl_matrix_stack_get_inverse (projection_stack, &inverse_projection); + + /* Calculate the angle between the axes and the line crossing the + two points */ + angle = atan2f (vertex_b[1] - vertex_a[1], + vertex_b[0] - vertex_a[0]) * (180.0/G_PI); + + cogl_matrix_stack_push (modelview_stack); + + /* Load the inverse of the projection matrix so we can specify the plane + * in screen coordinates */ + cogl_matrix_stack_set (modelview_stack, &inverse_projection); + + /* Rotate about point a */ + cogl_matrix_stack_translate (modelview_stack, + vertex_a[0], vertex_a[1], vertex_a[2]); + /* Rotate the plane by the calculated angle so that it will connect + the two points */ + cogl_matrix_stack_rotate (modelview_stack, angle, 0.0f, 0.0f, 1.0f); + cogl_matrix_stack_translate (modelview_stack, + -vertex_a[0], -vertex_a[1], -vertex_a[2]); + + /* Clip planes can only be used when a fixed function backend is in + use so we know we can directly push this matrix to the builtin + state */ + _cogl_matrix_entry_flush_to_gl_builtins (ctx, + modelview_stack->last_entry, + COGL_MATRIX_MODELVIEW, + framebuffer, + FALSE /* don't disable flip */); + + planef[0] = 0; + planef[1] = -1.0; + planef[2] = 0; + planef[3] = vertex_a[1]; + + switch (ctx->driver) + { + default: + g_assert_not_reached (); + break; + + case COGL_DRIVER_GLES1: + GE( ctx, glClipPlanef (plane_num, planef) ); + break; + + case COGL_DRIVER_GL: + case COGL_DRIVER_GL3: + planed[0] = planef[0]; + planed[1] = planef[1]; + planed[2] = planef[2]; + planed[3] = planef[3]; + GE( ctx, glClipPlane (plane_num, planed) ); + break; + } + + cogl_matrix_stack_pop (modelview_stack); +} + +static void +set_clip_planes (CoglFramebuffer *framebuffer, + CoglMatrixEntry *modelview_entry, + float x_1, + float y_1, + float x_2, + float y_2) +{ + CoglMatrix modelview_matrix; + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + CoglMatrix projection_matrix; + CoglMatrix modelview_projection; + float signed_area; + + float vertex_tl[4] = { x_1, y_1, 0, 1.0 }; + float vertex_tr[4] = { x_2, y_1, 0, 1.0 }; + float vertex_bl[4] = { x_1, y_2, 0, 1.0 }; + float vertex_br[4] = { x_2, y_2, 0, 1.0 }; + + cogl_matrix_stack_get (projection_stack, &projection_matrix); + cogl_matrix_entry_get (modelview_entry, &modelview_matrix); + + cogl_matrix_multiply (&modelview_projection, + &projection_matrix, + &modelview_matrix); + + project_vertex (&modelview_projection, vertex_tl); + project_vertex (&modelview_projection, vertex_tr); + project_vertex (&modelview_projection, vertex_bl); + project_vertex (&modelview_projection, vertex_br); + + /* Calculate the signed area of the polygon formed by the four + vertices so that we can know its orientation */ + signed_area = (vertex_tl[0] * (vertex_tr[1] - vertex_bl[1]) + + vertex_tr[0] * (vertex_br[1] - vertex_tl[1]) + + vertex_br[0] * (vertex_bl[1] - vertex_tr[1]) + + vertex_bl[0] * (vertex_tl[1] - vertex_br[1])); + + /* Set the clip planes to form lines between all of the vertices + using the same orientation as we calculated */ + if (signed_area > 0.0f) + { + /* counter-clockwise */ + set_clip_plane (framebuffer, GL_CLIP_PLANE0, vertex_tl, vertex_bl); + set_clip_plane (framebuffer, GL_CLIP_PLANE1, vertex_bl, vertex_br); + set_clip_plane (framebuffer, GL_CLIP_PLANE2, vertex_br, vertex_tr); + set_clip_plane (framebuffer, GL_CLIP_PLANE3, vertex_tr, vertex_tl); + } + else + { + /* clockwise */ + set_clip_plane (framebuffer, GL_CLIP_PLANE0, vertex_tl, vertex_tr); + set_clip_plane (framebuffer, GL_CLIP_PLANE1, vertex_tr, vertex_br); + set_clip_plane (framebuffer, GL_CLIP_PLANE2, vertex_br, vertex_bl); + set_clip_plane (framebuffer, GL_CLIP_PLANE3, vertex_bl, vertex_tl); + } +} + +static void +add_stencil_clip_rectangle (CoglFramebuffer *framebuffer, + CoglMatrixEntry *modelview_entry, + float x_1, + float y_1, + float x_2, + float y_2, + CoglBool first) +{ + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + CoglContext *ctx = cogl_framebuffer_get_context (framebuffer); + + /* NB: This can be called while flushing the journal so we need + * to be very conservative with what state we change. + */ + + _cogl_context_set_current_projection_entry (ctx, + projection_stack->last_entry); + _cogl_context_set_current_modelview_entry (ctx, modelview_entry); + + if (first) + { + GE( ctx, glEnable (GL_STENCIL_TEST) ); + + /* Initially disallow everything */ + GE( ctx, glClearStencil (0) ); + GE( ctx, glClear (GL_STENCIL_BUFFER_BIT) ); + + /* Punch out a hole to allow the rectangle */ + GE( ctx, glStencilFunc (GL_NEVER, 0x1, 0x1) ); + GE( ctx, glStencilOp (GL_REPLACE, GL_REPLACE, GL_REPLACE) ); + + _cogl_rectangle_immediate (framebuffer, + ctx->stencil_pipeline, + x_1, y_1, x_2, y_2); + } + else + { + /* Add one to every pixel of the stencil buffer in the + rectangle */ + GE( ctx, glStencilFunc (GL_NEVER, 0x1, 0x3) ); + GE( ctx, glStencilOp (GL_INCR, GL_INCR, GL_INCR) ); + _cogl_rectangle_immediate (framebuffer, + ctx->stencil_pipeline, + x_1, y_1, x_2, y_2); + + /* Subtract one from all pixels in the stencil buffer so that + only pixels where both the original stencil buffer and the + rectangle are set will be valid */ + GE( ctx, glStencilOp (GL_DECR, GL_DECR, GL_DECR) ); + + _cogl_context_set_current_projection_entry (ctx, &ctx->identity_entry); + _cogl_context_set_current_modelview_entry (ctx, &ctx->identity_entry); + + _cogl_rectangle_immediate (framebuffer, + ctx->stencil_pipeline, + -1.0, -1.0, 1.0, 1.0); + } + + /* Restore the stencil mode */ + GE( ctx, glStencilFunc (GL_EQUAL, 0x1, 0x1) ); + GE( ctx, glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP) ); +} + +typedef void (*SilhouettePaintCallback) (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + void *user_data); + +static void +add_stencil_clip_silhouette (CoglFramebuffer *framebuffer, + SilhouettePaintCallback silhouette_callback, + CoglMatrixEntry *modelview_entry, + float bounds_x1, + float bounds_y1, + float bounds_x2, + float bounds_y2, + CoglBool merge, + CoglBool need_clear, + void *user_data) +{ + CoglMatrixStack *projection_stack = + _cogl_framebuffer_get_projection_stack (framebuffer); + CoglContext *ctx = cogl_framebuffer_get_context (framebuffer); + + /* NB: This can be called while flushing the journal so we need + * to be very conservative with what state we change. + */ + + _cogl_context_set_current_projection_entry (ctx, + projection_stack->last_entry); + _cogl_context_set_current_modelview_entry (ctx, modelview_entry); + + _cogl_pipeline_flush_gl_state (ctx, ctx->stencil_pipeline, + framebuffer, FALSE, FALSE); + + GE( ctx, glEnable (GL_STENCIL_TEST) ); + + GE( ctx, glColorMask (FALSE, FALSE, FALSE, FALSE) ); + GE( ctx, glDepthMask (FALSE) ); + + if (merge) + { + GE (ctx, glStencilMask (2)); + GE (ctx, glStencilFunc (GL_LEQUAL, 0x2, 0x6)); + } + else + { + /* If we're not using the stencil buffer for clipping then we + don't need to clear the whole stencil buffer, just the area + that will be drawn */ + if (need_clear) + /* If this is being called from the clip stack code then it + will have set up a scissor for the minimum bounding box of + all of the clips. That box will likely mean that this + _cogl_clear won't need to clear the entire + buffer. _cogl_framebuffer_clear_without_flush4f is used instead + of cogl_clear because it won't try to flush the journal */ + _cogl_framebuffer_clear_without_flush4f (framebuffer, + COGL_BUFFER_BIT_STENCIL, + 0, 0, 0, 0); + else + { + /* Just clear the bounding box */ + GE( ctx, glStencilMask (~(GLuint) 0) ); + GE( ctx, glStencilOp (GL_ZERO, GL_ZERO, GL_ZERO) ); + _cogl_rectangle_immediate (framebuffer, + ctx->stencil_pipeline, + bounds_x1, bounds_y1, + bounds_x2, bounds_y2); + } + GE (ctx, glStencilMask (1)); + GE (ctx, glStencilFunc (GL_LEQUAL, 0x1, 0x3)); + } + + GE (ctx, glStencilOp (GL_INVERT, GL_INVERT, GL_INVERT)); + + silhouette_callback (framebuffer, ctx->stencil_pipeline, user_data); + + if (merge) + { + /* Now we have the new stencil buffer in bit 1 and the old + stencil buffer in bit 0 so we need to intersect them */ + GE (ctx, glStencilMask (3)); + GE (ctx, glStencilFunc (GL_NEVER, 0x2, 0x3)); + GE (ctx, glStencilOp (GL_DECR, GL_DECR, GL_DECR)); + /* Decrement all of the bits twice so that only pixels where the + value is 3 will remain */ + + _cogl_context_set_current_projection_entry (ctx, &ctx->identity_entry); + _cogl_context_set_current_modelview_entry (ctx, &ctx->identity_entry); + + _cogl_rectangle_immediate (framebuffer, ctx->stencil_pipeline, + -1.0, -1.0, 1.0, 1.0); + _cogl_rectangle_immediate (framebuffer, ctx->stencil_pipeline, + -1.0, -1.0, 1.0, 1.0); + } + + GE (ctx, glStencilMask (~(GLuint) 0)); + GE (ctx, glDepthMask (TRUE)); + GE (ctx, glColorMask (TRUE, TRUE, TRUE, TRUE)); + + GE (ctx, glStencilFunc (GL_EQUAL, 0x1, 0x1)); + GE (ctx, glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP)); +} + +static void +paint_primitive_silhouette (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + void *user_data) +{ + _cogl_primitive_draw (user_data, + framebuffer, + pipeline, + COGL_DRAW_SKIP_JOURNAL_FLUSH | + COGL_DRAW_SKIP_PIPELINE_VALIDATION | + COGL_DRAW_SKIP_FRAMEBUFFER_FLUSH | + COGL_DRAW_SKIP_LEGACY_STATE); +} + +static void +add_stencil_clip_primitive (CoglFramebuffer *framebuffer, + CoglMatrixEntry *modelview_entry, + CoglPrimitive *primitive, + float bounds_x1, + float bounds_y1, + float bounds_x2, + float bounds_y2, + CoglBool merge, + CoglBool need_clear) +{ + add_stencil_clip_silhouette (framebuffer, + paint_primitive_silhouette, + modelview_entry, + bounds_x1, + bounds_y1, + bounds_x2, + bounds_y2, + merge, + need_clear, + primitive); +} + +static void +enable_clip_planes (CoglContext *ctx) +{ + GE( ctx, glEnable (GL_CLIP_PLANE0) ); + GE( ctx, glEnable (GL_CLIP_PLANE1) ); + GE( ctx, glEnable (GL_CLIP_PLANE2) ); + GE( ctx, glEnable (GL_CLIP_PLANE3) ); +} + +static void +disable_clip_planes (CoglContext *ctx) +{ + GE( ctx, glDisable (GL_CLIP_PLANE3) ); + GE( ctx, glDisable (GL_CLIP_PLANE2) ); + GE( ctx, glDisable (GL_CLIP_PLANE1) ); + GE( ctx, glDisable (GL_CLIP_PLANE0) ); +} + +void +_cogl_clip_stack_gl_flush (CoglClipStack *stack, + CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + int has_clip_planes; + CoglBool using_clip_planes = FALSE; + CoglBool using_stencil_buffer = FALSE; + int scissor_x0; + int scissor_y0; + int scissor_x1; + int scissor_y1; + CoglClipStack *entry; + int scissor_y_start; + + /* If we have already flushed this state then we don't need to do + anything */ + if (ctx->current_clip_stack_valid) + { + if (ctx->current_clip_stack == stack && + (ctx->needs_viewport_scissor_workaround == FALSE || + (framebuffer->viewport_age == + framebuffer->viewport_age_for_scissor_workaround && + ctx->viewport_scissor_workaround_framebuffer == + framebuffer))) + return; + + _cogl_clip_stack_unref (ctx->current_clip_stack); + } + + ctx->current_clip_stack_valid = TRUE; + ctx->current_clip_stack = _cogl_clip_stack_ref (stack); + + has_clip_planes = + _cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_FOUR_CLIP_PLANES); + + if (has_clip_planes) + disable_clip_planes (ctx); + GE( ctx, glDisable (GL_STENCIL_TEST) ); + + /* If the stack is empty then there's nothing else to do + * + * See comment below about ctx->needs_viewport_scissor_workaround + */ + if (stack == NULL && !ctx->needs_viewport_scissor_workaround) + { + COGL_NOTE (CLIPPING, "Flushed empty clip stack"); + + ctx->current_clip_stack_uses_stencil = FALSE; + GE (ctx, glDisable (GL_SCISSOR_TEST)); + return; + } + + /* Calculate the scissor rect first so that if we eventually have to + clear the stencil buffer then the clear will be clipped to the + intersection of all of the bounding boxes. This saves having to + clear the whole stencil buffer */ + _cogl_clip_stack_get_bounds (stack, + &scissor_x0, &scissor_y0, + &scissor_x1, &scissor_y1); + + /* XXX: ONGOING BUG: Intel viewport scissor + * + * Intel gen6 drivers don't correctly handle offset viewports, since + * primitives aren't clipped within the bounds of the viewport. To + * workaround this we push our own clip for the viewport that will + * use scissoring to ensure we clip as expected. + * + * TODO: file a bug upstream! + */ + if (ctx->needs_viewport_scissor_workaround) + { + _cogl_util_scissor_intersect (framebuffer->viewport_x, + framebuffer->viewport_y, + framebuffer->viewport_x + + framebuffer->viewport_width, + framebuffer->viewport_y + + framebuffer->viewport_height, + &scissor_x0, &scissor_y0, + &scissor_x1, &scissor_y1); + framebuffer->viewport_age_for_scissor_workaround = + framebuffer->viewport_age; + ctx->viewport_scissor_workaround_framebuffer = + framebuffer; + } + + /* Enable scissoring as soon as possible */ + if (scissor_x0 >= scissor_x1 || scissor_y0 >= scissor_y1) + scissor_x0 = scissor_y0 = scissor_x1 = scissor_y1 = scissor_y_start = 0; + else + { + /* We store the entry coordinates in Cogl coordinate space + * but OpenGL requires the window origin to be the bottom + * left so we may need to convert the incoming coordinates. + * + * NB: Cogl forces all offscreen rendering to be done upside + * down so in this case no conversion is needed. + */ + + if (cogl_is_offscreen (framebuffer)) + scissor_y_start = scissor_y0; + else + { + int framebuffer_height = + cogl_framebuffer_get_height (framebuffer); + + scissor_y_start = framebuffer_height - scissor_y1; + } + } + + COGL_NOTE (CLIPPING, "Flushing scissor to (%i, %i, %i, %i)", + scissor_x0, scissor_y0, + scissor_x1, scissor_y1); + + GE (ctx, glEnable (GL_SCISSOR_TEST)); + GE (ctx, glScissor (scissor_x0, scissor_y_start, + scissor_x1 - scissor_x0, + scissor_y1 - scissor_y0)); + + /* Add all of the entries. This will end up adding them in the + reverse order that they were specified but as all of the clips + are intersecting it should work out the same regardless of the + order */ + for (entry = stack; entry; entry = entry->parent) + { + switch (entry->type) + { + case COGL_CLIP_STACK_PRIMITIVE: + { + CoglClipStackPrimitive *primitive_entry = + (CoglClipStackPrimitive *) entry; + + COGL_NOTE (CLIPPING, "Adding stencil clip for primitive"); + + add_stencil_clip_primitive (framebuffer, + primitive_entry->matrix_entry, + primitive_entry->primitive, + primitive_entry->bounds_x1, + primitive_entry->bounds_y1, + primitive_entry->bounds_x2, + primitive_entry->bounds_y2, + using_stencil_buffer, + TRUE); + + using_stencil_buffer = TRUE; + break; + } + case COGL_CLIP_STACK_RECT: + { + CoglClipStackRect *rect = (CoglClipStackRect *) entry; + + /* We don't need to do anything extra if the clip for this + rectangle was entirely described by its scissor bounds */ + if (!rect->can_be_scissor) + { + /* If we support clip planes and we haven't already used + them then use that instead */ + if (has_clip_planes) + { + COGL_NOTE (CLIPPING, + "Adding clip planes clip for rectangle"); + + set_clip_planes (framebuffer, + rect->matrix_entry, + rect->x0, + rect->y0, + rect->x1, + rect->y1); + using_clip_planes = TRUE; + /* We can't use clip planes a second time */ + has_clip_planes = FALSE; + } + else + { + COGL_NOTE (CLIPPING, "Adding stencil clip for rectangle"); + + add_stencil_clip_rectangle (framebuffer, + rect->matrix_entry, + rect->x0, + rect->y0, + rect->x1, + rect->y1, + !using_stencil_buffer); + using_stencil_buffer = TRUE; + } + } + break; + } + case COGL_CLIP_STACK_WINDOW_RECT: + break; + /* We don't need to do anything for window space rectangles because + * their functionality is entirely implemented by the entry bounding + * box */ + } + } + + /* Enabling clip planes is delayed to now so that they won't affect + setting up the stencil buffer */ + if (using_clip_planes) + enable_clip_planes (ctx); + + ctx->current_clip_stack_uses_stencil = using_stencil_buffer; +} diff --git a/cogl/driver/gl/cogl-framebuffer-gl-private.h b/cogl/driver/gl/cogl-framebuffer-gl-private.h new file mode 100644 index 0000000..47a1c1c --- /dev/null +++ b/cogl/driver/gl/cogl-framebuffer-gl-private.h @@ -0,0 +1,102 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_FRAMEBUFFER_GL_PRIVATE_H__ +#define __COGL_FRAMEBUFFER_GL_PRIVATE_H__ + +CoglBool +_cogl_offscreen_gl_allocate (CoglOffscreen *offscreen, + CoglError **error); + +void +_cogl_offscreen_gl_free (CoglOffscreen *offscreen); + +void +_cogl_framebuffer_gl_flush_state (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer, + CoglFramebufferState state); + +void +_cogl_framebuffer_gl_clear (CoglFramebuffer *framebuffer, + unsigned long buffers, + float red, + float green, + float blue, + float alpha); + +void +_cogl_framebuffer_gl_query_bits (CoglFramebuffer *framebuffer, + CoglFramebufferBits *bits); + +void +_cogl_framebuffer_gl_finish (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_gl_discard_buffers (CoglFramebuffer *framebuffer, + unsigned long buffers); + +void +_cogl_framebuffer_gl_bind (CoglFramebuffer *framebuffer, GLenum target); + +void +_cogl_framebuffer_gl_draw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags); + +void +_cogl_framebuffer_gl_draw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags); + +CoglBool +_cogl_framebuffer_gl_read_pixels_into_bitmap (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap, + CoglError **error); + +#endif /* __COGL_FRAMEBUFFER_GL_PRIVATE_H__ */ + + diff --git a/cogl/driver/gl/cogl-framebuffer-gl.c b/cogl/driver/gl/cogl-framebuffer-gl.c new file mode 100644 index 0000000..c0f094d --- /dev/null +++ b/cogl/driver/gl/cogl-framebuffer-gl.c @@ -0,0 +1,1573 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-framebuffer-gl-private.h" +#include "cogl-buffer-gl-private.h" +#include "cogl-error-private.h" +#include "cogl-texture-gl-private.h" +#include "cogl-texture-private.h" + +#include +#include + +#ifndef GL_FRAMEBUFFER +#define GL_FRAMEBUFFER 0x8D40 +#endif +#ifndef GL_RENDERBUFFER +#define GL_RENDERBUFFER 0x8D41 +#endif +#ifndef GL_STENCIL_ATTACHMENT +#define GL_STENCIL_ATTACHMENT 0x8D00 +#endif +#ifndef GL_COLOR_ATTACHMENT0 +#define GL_COLOR_ATTACHMENT0 0x8CE0 +#endif +#ifndef GL_FRAMEBUFFER_COMPLETE +#define GL_FRAMEBUFFER_COMPLETE 0x8CD5 +#endif +#ifndef GL_STENCIL_INDEX8 +#define GL_STENCIL_INDEX8 0x8D48 +#endif +#ifndef GL_DEPTH_STENCIL +#define GL_DEPTH_STENCIL 0x84F9 +#endif +#ifndef GL_DEPTH24_STENCIL8 +#define GL_DEPTH24_STENCIL8 0x88F0 +#endif +#ifndef GL_DEPTH_ATTACHMENT +#define GL_DEPTH_ATTACHMENT 0x8D00 +#endif +#ifndef GL_DEPTH_STENCIL_ATTACHMENT +#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A +#endif +#ifndef GL_DEPTH_COMPONENT16 +#define GL_DEPTH_COMPONENT16 0x81A5 +#endif +#ifndef GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE +#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE 0x8212 +#endif +#ifndef GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE +#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE 0x8213 +#endif +#ifndef GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE +#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE 0x8214 +#endif +#ifndef GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE +#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE 0x8215 +#endif +#ifndef GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE +#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE 0x8216 +#endif +#ifndef GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE +#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE 0x8217 +#endif +#ifndef GL_READ_FRAMEBUFFER +#define GL_READ_FRAMEBUFFER 0x8CA8 +#endif +#ifndef GL_DRAW_FRAMEBUFFER +#define GL_DRAW_FRAMEBUFFER 0x8CA9 +#endif +#ifndef GL_TEXTURE_SAMPLES_IMG +#define GL_TEXTURE_SAMPLES_IMG 0x9136 +#endif +#ifndef GL_PACK_INVERT_MESA +#define GL_PACK_INVERT_MESA 0x8758 +#endif + +#ifndef GL_COLOR +#define GL_COLOR 0x1800 +#endif +#ifndef GL_DEPTH +#define GL_DEPTH 0x1801 +#endif +#ifndef GL_STENCIL +#define GL_STENCIL 0x1802 +#endif + + +static void +_cogl_framebuffer_gl_flush_viewport_state (CoglFramebuffer *framebuffer) +{ + float gl_viewport_y; + + g_assert (framebuffer->viewport_width >=0 && + framebuffer->viewport_height >=0); + + /* Convert the Cogl viewport y offset to an OpenGL viewport y offset + * NB: OpenGL defines its window and viewport origins to be bottom + * left, while Cogl defines them to be top left. + * NB: We render upside down to offscreen framebuffers so we don't + * need to convert the y offset in this case. */ + if (cogl_is_offscreen (framebuffer)) + gl_viewport_y = framebuffer->viewport_y; + else + gl_viewport_y = framebuffer->height - + (framebuffer->viewport_y + framebuffer->viewport_height); + + COGL_NOTE (OPENGL, "Calling glViewport(%f, %f, %f, %f)", + framebuffer->viewport_x, + gl_viewport_y, + framebuffer->viewport_width, + framebuffer->viewport_height); + + GE (framebuffer->context, + glViewport (framebuffer->viewport_x, + gl_viewport_y, + framebuffer->viewport_width, + framebuffer->viewport_height)); +} + +static void +_cogl_framebuffer_gl_flush_clip_state (CoglFramebuffer *framebuffer) +{ + _cogl_clip_stack_flush (framebuffer->clip_stack, framebuffer); +} + +static void +_cogl_framebuffer_gl_flush_dither_state (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + + if (ctx->current_gl_dither_enabled != framebuffer->dither_enabled) + { + if (framebuffer->dither_enabled) + GE (ctx, glEnable (GL_DITHER)); + else + GE (ctx, glDisable (GL_DITHER)); + ctx->current_gl_dither_enabled = framebuffer->dither_enabled; + } +} + +static void +_cogl_framebuffer_gl_flush_modelview_state (CoglFramebuffer *framebuffer) +{ + CoglMatrixEntry *modelview_entry = + _cogl_framebuffer_get_modelview_entry (framebuffer); + _cogl_context_set_current_modelview_entry (framebuffer->context, + modelview_entry); +} + +static void +_cogl_framebuffer_gl_flush_projection_state (CoglFramebuffer *framebuffer) +{ + CoglMatrixEntry *projection_entry = + _cogl_framebuffer_get_projection_entry (framebuffer); + _cogl_context_set_current_projection_entry (framebuffer->context, + projection_entry); +} + +static void +_cogl_framebuffer_gl_flush_color_mask_state (CoglFramebuffer *framebuffer) +{ + CoglContext *context = framebuffer->context; + + /* The color mask state is really owned by a CoglPipeline so to + * ensure the color mask is updated the next time we draw something + * we need to make sure the logic ops for the pipeline are + * re-flushed... */ + context->current_pipeline_changes_since_flush |= + COGL_PIPELINE_STATE_LOGIC_OPS; + context->current_pipeline_age--; +} + +static void +_cogl_framebuffer_gl_flush_front_face_winding_state (CoglFramebuffer *framebuffer) +{ + CoglContext *context = framebuffer->context; + CoglPipelineCullFaceMode mode; + + /* NB: The face winding state is actually owned by the current + * CoglPipeline. + * + * If we don't have a current pipeline then we can just assume that + * when we later do flush a pipeline we will check the current + * framebuffer to know how to setup the winding */ + if (!context->current_pipeline) + return; + + mode = cogl_pipeline_get_cull_face_mode (context->current_pipeline); + + /* If the current CoglPipeline has a culling mode that doesn't care + * about the winding we can avoid forcing an update of the state and + * bail out. */ + if (mode == COGL_PIPELINE_CULL_FACE_MODE_NONE || + mode == COGL_PIPELINE_CULL_FACE_MODE_BOTH) + return; + + /* Since the winding state is really owned by the current pipeline + * the way we "flush" an updated winding is to dirty the pipeline + * state... */ + context->current_pipeline_changes_since_flush |= + COGL_PIPELINE_STATE_CULL_FACE; + context->current_pipeline_age--; +} + +void +_cogl_framebuffer_gl_bind (CoglFramebuffer *framebuffer, GLenum target) +{ + CoglContext *ctx = framebuffer->context; + + if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_OFFSCREEN) + { + CoglOffscreen *offscreen = COGL_OFFSCREEN (framebuffer); + GE (ctx, glBindFramebuffer (target, + offscreen->gl_framebuffer.fbo_handle)); + } + else + { + const CoglWinsysVtable *winsys = + _cogl_framebuffer_get_winsys (framebuffer); + winsys->onscreen_bind (COGL_ONSCREEN (framebuffer)); + /* glBindFramebuffer is an an extension with OpenGL ES 1.1 */ + if (cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN)) + GE (ctx, glBindFramebuffer (target, 0)); + + /* Initialise the glDrawBuffer state the first time the context + * is bound to the default framebuffer. If the winsys is using a + * surfaceless context for the initial make current then the + * default draw buffer will be GL_NONE so we need to correct + * that. We can't do it any earlier because binding GL_BACK when + * there is no default framebuffer won't work */ + if (!ctx->was_bound_to_onscreen) + { + if (ctx->glDrawBuffer) + { + GE (ctx, glDrawBuffer (GL_BACK)); + } + else if (ctx->glDrawBuffers) + { + /* glDrawBuffer isn't available on GLES 3.0 so we need + * to be able to use glDrawBuffers as well. On GLES 2 + * neither is available but the state should always be + * GL_BACK anyway so we don't need to set anything. On + * desktop GL this must be GL_BACK_LEFT instead of + * GL_BACK but as this code path will only be hit for + * GLES we can just use GL_BACK. */ + static const GLenum buffers[] = { GL_BACK }; + + GE (ctx, glDrawBuffers (G_N_ELEMENTS (buffers), buffers)); + } + + ctx->was_bound_to_onscreen = TRUE; + } + } +} + +void +_cogl_framebuffer_gl_flush_state (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer, + CoglFramebufferState state) +{ + CoglContext *ctx = draw_buffer->context; + unsigned long differences; + int bit; + + /* We can assume that any state that has changed for the current + * framebuffer is different to the currently flushed value. */ + differences = ctx->current_draw_buffer_changes; + + /* Any state of the current framebuffer that hasn't already been + * flushed is assumed to be unknown so we will always flush that + * state if asked. */ + differences |= ~ctx->current_draw_buffer_state_flushed; + + /* We only need to consider the state we've been asked to flush */ + differences &= state; + + if (ctx->current_draw_buffer != draw_buffer) + { + /* If the previous draw buffer is NULL then we'll assume + everything has changed. This can happen if a framebuffer is + destroyed while it is the last flushed draw buffer. In that + case the framebuffer destructor will set + ctx->current_draw_buffer to NULL */ + if (ctx->current_draw_buffer == NULL) + differences |= state; + else + /* NB: we only need to compare the state we're being asked to flush + * and we don't need to compare the state we've already decided + * we will definitely flush... */ + differences |= _cogl_framebuffer_compare (ctx->current_draw_buffer, + draw_buffer, + state & ~differences); + + /* NB: we don't take a reference here, to avoid a circular + * reference. */ + ctx->current_draw_buffer = draw_buffer; + ctx->current_draw_buffer_state_flushed = 0; + } + + if (ctx->current_read_buffer != read_buffer && + state & COGL_FRAMEBUFFER_STATE_BIND) + { + differences |= COGL_FRAMEBUFFER_STATE_BIND; + /* NB: we don't take a reference here, to avoid a circular + * reference. */ + ctx->current_read_buffer = read_buffer; + } + + if (!differences) + return; + + /* Lazily ensure the framebuffers have been allocated */ + if (G_UNLIKELY (!draw_buffer->allocated)) + cogl_framebuffer_allocate (draw_buffer, NULL); + if (G_UNLIKELY (!read_buffer->allocated)) + cogl_framebuffer_allocate (read_buffer, NULL); + + /* We handle buffer binding separately since the method depends on whether + * we are binding the same buffer for read and write or not unlike all + * other state that only relates to the draw_buffer. */ + if (differences & COGL_FRAMEBUFFER_STATE_BIND) + { + if (draw_buffer == read_buffer) + _cogl_framebuffer_gl_bind (draw_buffer, GL_FRAMEBUFFER); + else + { + /* NB: Currently we only take advantage of binding separate + * read/write buffers for offscreen framebuffer blit + * purposes. */ + _COGL_RETURN_IF_FAIL (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_OFFSCREEN_BLIT)); + _COGL_RETURN_IF_FAIL (draw_buffer->type == COGL_FRAMEBUFFER_TYPE_OFFSCREEN); + _COGL_RETURN_IF_FAIL (read_buffer->type == COGL_FRAMEBUFFER_TYPE_OFFSCREEN); + + _cogl_framebuffer_gl_bind (draw_buffer, GL_DRAW_FRAMEBUFFER); + _cogl_framebuffer_gl_bind (read_buffer, GL_READ_FRAMEBUFFER); + } + + differences &= ~COGL_FRAMEBUFFER_STATE_BIND; + } + + COGL_FLAGS_FOREACH_START (&differences, 1, bit) + { + /* XXX: We considered having an array of callbacks for each state index + * that we'd call here but decided that this way the compiler is more + * likely going to be able to in-line the flush functions and use the + * index to jump straight to the required code. */ + switch (bit) + { + case COGL_FRAMEBUFFER_STATE_INDEX_VIEWPORT: + _cogl_framebuffer_gl_flush_viewport_state (draw_buffer); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_CLIP: + _cogl_framebuffer_gl_flush_clip_state (draw_buffer); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_DITHER: + _cogl_framebuffer_gl_flush_dither_state (draw_buffer); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_MODELVIEW: + _cogl_framebuffer_gl_flush_modelview_state (draw_buffer); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_PROJECTION: + _cogl_framebuffer_gl_flush_projection_state (draw_buffer); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_COLOR_MASK: + _cogl_framebuffer_gl_flush_color_mask_state (draw_buffer); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_FRONT_FACE_WINDING: + _cogl_framebuffer_gl_flush_front_face_winding_state (draw_buffer); + break; + case COGL_FRAMEBUFFER_STATE_INDEX_DEPTH_WRITE: + /* Nothing to do for depth write state change; the state will always + * be taken into account when flushing the pipeline's depth state. */ + break; + default: + g_warn_if_reached (); + } + } + COGL_FLAGS_FOREACH_END; + + ctx->current_draw_buffer_state_flushed |= state; + ctx->current_draw_buffer_changes &= ~state; +} + +static CoglTexture * +create_depth_texture (CoglContext *ctx, + int width, + int height) +{ + CoglTexture2D *depth_texture = + cogl_texture_2d_new_with_size (ctx, width, height); + + cogl_texture_set_components (COGL_TEXTURE (depth_texture), + COGL_TEXTURE_COMPONENTS_DEPTH); + + return COGL_TEXTURE (depth_texture); +} + +static CoglTexture * +attach_depth_texture (CoglContext *ctx, + CoglTexture *depth_texture, + CoglOffscreenAllocateFlags flags) +{ + GLuint tex_gl_handle; + GLenum tex_gl_target; + + if (flags & COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH_STENCIL) + { + /* attach a GL_DEPTH_STENCIL texture to the GL_DEPTH_ATTACHMENT and + * GL_STENCIL_ATTACHMENT attachement points */ + g_assert (_cogl_texture_get_format (depth_texture) == + COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8); + + cogl_texture_get_gl_texture (depth_texture, + &tex_gl_handle, &tex_gl_target); + + GE (ctx, glFramebufferTexture2D (GL_FRAMEBUFFER, + GL_DEPTH_ATTACHMENT, + tex_gl_target, tex_gl_handle, + 0)); + GE (ctx, glFramebufferTexture2D (GL_FRAMEBUFFER, + GL_STENCIL_ATTACHMENT, + tex_gl_target, tex_gl_handle, + 0)); + } + else if (flags & COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH) + { + /* attach a newly created GL_DEPTH_COMPONENT16 texture to the + * GL_DEPTH_ATTACHMENT attachement point */ + g_assert (_cogl_texture_get_format (depth_texture) == + COGL_PIXEL_FORMAT_DEPTH_16); + + cogl_texture_get_gl_texture (COGL_TEXTURE (depth_texture), + &tex_gl_handle, &tex_gl_target); + + GE (ctx, glFramebufferTexture2D (GL_FRAMEBUFFER, + GL_DEPTH_ATTACHMENT, + tex_gl_target, tex_gl_handle, + 0)); + } + + return COGL_TEXTURE (depth_texture); +} + +static GList * +try_creating_renderbuffers (CoglContext *ctx, + int width, + int height, + CoglOffscreenAllocateFlags flags, + int n_samples) +{ + GList *renderbuffers = NULL; + GLuint gl_depth_stencil_handle; + + if (flags & COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH_STENCIL) + { + GLenum format; + + /* WebGL adds a GL_DEPTH_STENCIL_ATTACHMENT and requires that we + * use the GL_DEPTH_STENCIL format. */ +#ifdef HAVE_COGL_WEBGL + format = GL_DEPTH_STENCIL; +#else + /* Although GL_OES_packed_depth_stencil is mostly equivalent to + * GL_EXT_packed_depth_stencil, one notable difference is that + * GL_OES_packed_depth_stencil doesn't allow GL_DEPTH_STENCIL to + * be passed as an internal format to glRenderbufferStorage. + */ + if (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_EXT_PACKED_DEPTH_STENCIL)) + format = GL_DEPTH_STENCIL; + else + { + _COGL_RETURN_VAL_IF_FAIL ( + _cogl_has_private_feature (ctx, + COGL_PRIVATE_FEATURE_OES_PACKED_DEPTH_STENCIL), + NULL); + format = GL_DEPTH24_STENCIL8; + } +#endif + + /* Create a renderbuffer for depth and stenciling */ + GE (ctx, glGenRenderbuffers (1, &gl_depth_stencil_handle)); + GE (ctx, glBindRenderbuffer (GL_RENDERBUFFER, gl_depth_stencil_handle)); + if (n_samples) + GE (ctx, glRenderbufferStorageMultisampleIMG (GL_RENDERBUFFER, + n_samples, + format, + width, height)); + else + GE (ctx, glRenderbufferStorage (GL_RENDERBUFFER, format, + width, height)); + GE (ctx, glBindRenderbuffer (GL_RENDERBUFFER, 0)); + + +#ifdef HAVE_COGL_WEBGL + GE (ctx, glFramebufferRenderbuffer (GL_FRAMEBUFFER, + GL_DEPTH_STENCIL_ATTACHMENT, + GL_RENDERBUFFER, + gl_depth_stencil_handle)); +#else + GE (ctx, glFramebufferRenderbuffer (GL_FRAMEBUFFER, + GL_STENCIL_ATTACHMENT, + GL_RENDERBUFFER, + gl_depth_stencil_handle)); + GE (ctx, glFramebufferRenderbuffer (GL_FRAMEBUFFER, + GL_DEPTH_ATTACHMENT, + GL_RENDERBUFFER, + gl_depth_stencil_handle)); +#endif + renderbuffers = + g_list_prepend (renderbuffers, + GUINT_TO_POINTER (gl_depth_stencil_handle)); + } + + if (flags & COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH) + { + GLuint gl_depth_handle; + + GE (ctx, glGenRenderbuffers (1, &gl_depth_handle)); + GE (ctx, glBindRenderbuffer (GL_RENDERBUFFER, gl_depth_handle)); + /* For now we just ask for GL_DEPTH_COMPONENT16 since this is all that's + * available under GLES */ + if (n_samples) + GE (ctx, glRenderbufferStorageMultisampleIMG (GL_RENDERBUFFER, + n_samples, + GL_DEPTH_COMPONENT16, + width, height)); + else + GE (ctx, glRenderbufferStorage (GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, + width, height)); + GE (ctx, glBindRenderbuffer (GL_RENDERBUFFER, 0)); + GE (ctx, glFramebufferRenderbuffer (GL_FRAMEBUFFER, + GL_DEPTH_ATTACHMENT, + GL_RENDERBUFFER, gl_depth_handle)); + renderbuffers = + g_list_prepend (renderbuffers, GUINT_TO_POINTER (gl_depth_handle)); + } + + if (flags & COGL_OFFSCREEN_ALLOCATE_FLAG_STENCIL) + { + GLuint gl_stencil_handle; + + GE (ctx, glGenRenderbuffers (1, &gl_stencil_handle)); + GE (ctx, glBindRenderbuffer (GL_RENDERBUFFER, gl_stencil_handle)); + if (n_samples) + GE (ctx, glRenderbufferStorageMultisampleIMG (GL_RENDERBUFFER, + n_samples, + GL_STENCIL_INDEX8, + width, height)); + else + GE (ctx, glRenderbufferStorage (GL_RENDERBUFFER, GL_STENCIL_INDEX8, + width, height)); + GE (ctx, glBindRenderbuffer (GL_RENDERBUFFER, 0)); + GE (ctx, glFramebufferRenderbuffer (GL_FRAMEBUFFER, + GL_STENCIL_ATTACHMENT, + GL_RENDERBUFFER, gl_stencil_handle)); + renderbuffers = + g_list_prepend (renderbuffers, GUINT_TO_POINTER (gl_stencil_handle)); + } + + return renderbuffers; +} + +static void +delete_renderbuffers (CoglContext *ctx, GList *renderbuffers) +{ + GList *l; + + for (l = renderbuffers; l; l = l->next) + { + GLuint renderbuffer = GPOINTER_TO_UINT (l->data); + GE (ctx, glDeleteRenderbuffers (1, &renderbuffer)); + } + + g_list_free (renderbuffers); +} + +/* + * NB: This function may be called with a standalone GLES2 context + * bound so we can create a shadow framebuffer that wraps the same + * CoglTexture as the given CoglOffscreen. This function shouldn't + * modify anything in + */ +static CoglBool +try_creating_fbo (CoglContext *ctx, + CoglTexture *texture, + int texture_level, + int texture_level_width, + int texture_level_height, + CoglTexture *depth_texture, + CoglFramebufferConfig *config, + CoglOffscreenAllocateFlags flags, + CoglGLFramebuffer *gl_framebuffer) +{ + GLuint tex_gl_handle; + GLenum tex_gl_target; + GLenum status; + int n_samples; + + if (!cogl_texture_get_gl_texture (texture, &tex_gl_handle, &tex_gl_target)) + return FALSE; + + if (tex_gl_target != GL_TEXTURE_2D +#ifdef HAVE_COGL_GL + && tex_gl_target != GL_TEXTURE_RECTANGLE_ARB +#endif + ) + return FALSE; + + if (config->samples_per_pixel) + { + if (!ctx->glFramebufferTexture2DMultisampleIMG) + return FALSE; + n_samples = config->samples_per_pixel; + } + else + n_samples = 0; + + /* We are about to generate and bind a new fbo, so we pretend to + * change framebuffer state so that the old framebuffer will be + * rebound again before drawing. */ + ctx->current_draw_buffer_changes |= COGL_FRAMEBUFFER_STATE_BIND; + + /* Generate framebuffer */ + ctx->glGenFramebuffers (1, &gl_framebuffer->fbo_handle); + GE (ctx, glBindFramebuffer (GL_FRAMEBUFFER, gl_framebuffer->fbo_handle)); + + if (n_samples) + { + GE (ctx, glFramebufferTexture2DMultisampleIMG (GL_FRAMEBUFFER, + GL_COLOR_ATTACHMENT0, + tex_gl_target, tex_gl_handle, + n_samples, + texture_level)); + } + else + GE (ctx, glFramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, + tex_gl_target, tex_gl_handle, + texture_level)); + + /* attach either a depth/stencil texture, a depth texture or render buffers + * depending on what we've been asked to provide */ + + if (depth_texture && + flags & (COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH_STENCIL | + COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH)) + { + attach_depth_texture (ctx, depth_texture, flags); + + /* Let's clear the flags that are now fulfilled as we might need to + * create renderbuffers (for the ALLOCATE_FLAG_DEPTH | + * ALLOCATE_FLAG_STENCIL case) */ + flags &= ~(COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH_STENCIL | + COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH); + } + + if (flags) + { + gl_framebuffer->renderbuffers = + try_creating_renderbuffers (ctx, + texture_level_width, + texture_level_height, + flags, + n_samples); + } + + /* Make sure it's complete */ + status = ctx->glCheckFramebufferStatus (GL_FRAMEBUFFER); + + if (status != GL_FRAMEBUFFER_COMPLETE) + { + GE (ctx, glDeleteFramebuffers (1, &gl_framebuffer->fbo_handle)); + + delete_renderbuffers (ctx, gl_framebuffer->renderbuffers); + gl_framebuffer->renderbuffers = NULL; + + return FALSE; + } + + /* Update the real number of samples_per_pixel now that we have a + * complete framebuffer */ + if (n_samples) + { + GLenum attachment = GL_COLOR_ATTACHMENT0; + GLenum pname = GL_TEXTURE_SAMPLES_IMG; + int texture_samples; + + GE( ctx, glGetFramebufferAttachmentParameteriv (GL_FRAMEBUFFER, + attachment, + pname, + &texture_samples) ); + gl_framebuffer->samples_per_pixel = texture_samples; + } + + return TRUE; +} + +CoglBool +_cogl_framebuffer_try_creating_gl_fbo (CoglContext *ctx, + CoglTexture *texture, + int texture_level, + int texture_level_width, + int texture_level_height, + CoglTexture *depth_texture, + CoglFramebufferConfig *config, + CoglOffscreenAllocateFlags flags, + CoglGLFramebuffer *gl_framebuffer) +{ + return try_creating_fbo (ctx, + texture, + texture_level, + texture_level_width, + texture_level_height, + depth_texture, + config, + flags, + gl_framebuffer); +} + +CoglBool +_cogl_offscreen_gl_allocate (CoglOffscreen *offscreen, + CoglError **error) +{ + CoglFramebuffer *fb = COGL_FRAMEBUFFER (offscreen); + CoglContext *ctx = fb->context; + CoglOffscreenAllocateFlags flags; + CoglGLFramebuffer *gl_framebuffer = &offscreen->gl_framebuffer; + int level_width; + int level_height; + + _COGL_RETURN_VAL_IF_FAIL (offscreen->texture_level < + _cogl_texture_get_n_levels (offscreen->texture), + NULL); + + _cogl_texture_get_level_size (offscreen->texture, + offscreen->texture_level, + &level_width, + &level_height, + NULL); + + if (fb->config.depth_texture_enabled && + offscreen->depth_texture == NULL) + { + offscreen->depth_texture = + create_depth_texture (ctx, + level_width, + level_height); + + if (!cogl_texture_allocate (offscreen->depth_texture, error)) + { + cogl_object_unref (offscreen->depth_texture); + offscreen->depth_texture = NULL; + return FALSE; + } + + _cogl_texture_associate_framebuffer (offscreen->depth_texture, fb); + } + + /* XXX: The framebuffer_object spec isn't clear in defining whether attaching + * a texture as a renderbuffer with mipmap filtering enabled while the + * mipmaps have not been uploaded should result in an incomplete framebuffer + * object. (different drivers make different decisions) + * + * To avoid an error with drivers that do consider this a problem we + * explicitly set non mipmapped filters here. These will later be reset when + * the texture is actually used for rendering according to the filters set on + * the corresponding CoglPipeline. + */ + _cogl_texture_gl_flush_legacy_texobj_filters (offscreen->texture, + GL_NEAREST, GL_NEAREST); + + if (((offscreen->create_flags & COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL) && + try_creating_fbo (ctx, + offscreen->texture, + offscreen->texture_level, + level_width, + level_height, + offscreen->depth_texture, + &fb->config, + flags = 0, + gl_framebuffer)) || + + (ctx->have_last_offscreen_allocate_flags && + try_creating_fbo (ctx, + offscreen->texture, + offscreen->texture_level, + level_width, + level_height, + offscreen->depth_texture, + &fb->config, + flags = ctx->last_offscreen_allocate_flags, + gl_framebuffer)) || + + ( + /* NB: WebGL introduces a DEPTH_STENCIL_ATTACHMENT and doesn't + * need an extension to handle _FLAG_DEPTH_STENCIL */ +#ifndef HAVE_COGL_WEBGL + (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_EXT_PACKED_DEPTH_STENCIL) || + _cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_OES_PACKED_DEPTH_STENCIL)) && +#endif + try_creating_fbo (ctx, + offscreen->texture, + offscreen->texture_level, + level_width, + level_height, + offscreen->depth_texture, + &fb->config, + flags = COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH_STENCIL, + gl_framebuffer)) || + + try_creating_fbo (ctx, + offscreen->texture, + offscreen->texture_level, + level_width, + level_height, + offscreen->depth_texture, + &fb->config, + flags = COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH | + COGL_OFFSCREEN_ALLOCATE_FLAG_STENCIL, + gl_framebuffer) || + + try_creating_fbo (ctx, + offscreen->texture, + offscreen->texture_level, + level_width, + level_height, + offscreen->depth_texture, + &fb->config, + flags = COGL_OFFSCREEN_ALLOCATE_FLAG_STENCIL, + gl_framebuffer) || + + try_creating_fbo (ctx, + offscreen->texture, + offscreen->texture_level, + level_width, + level_height, + offscreen->depth_texture, + &fb->config, + flags = COGL_OFFSCREEN_ALLOCATE_FLAG_DEPTH, + gl_framebuffer) || + + try_creating_fbo (ctx, + offscreen->texture, + offscreen->texture_level, + level_width, + level_height, + offscreen->depth_texture, + &fb->config, + flags = 0, + gl_framebuffer)) + { + fb->samples_per_pixel = gl_framebuffer->samples_per_pixel; + + if (!offscreen->create_flags & COGL_OFFSCREEN_DISABLE_DEPTH_AND_STENCIL) + { + /* Record that the last set of flags succeeded so that we can + try that set first next time */ + ctx->last_offscreen_allocate_flags = flags; + ctx->have_last_offscreen_allocate_flags = TRUE; + } + + /* Save the flags we managed to successfully allocate the + * renderbuffers with in case we need to make renderbuffers for a + * GLES2 context later */ + offscreen->allocation_flags = flags; + + return TRUE; + } + else + { + _cogl_set_error (error, COGL_FRAMEBUFFER_ERROR, + COGL_FRAMEBUFFER_ERROR_ALLOCATE, + "Failed to create an OpenGL framebuffer object"); + return FALSE; + } +} + +void +_cogl_offscreen_gl_free (CoglOffscreen *offscreen) +{ + CoglContext *ctx = COGL_FRAMEBUFFER (offscreen)->context; + + delete_renderbuffers (ctx, offscreen->gl_framebuffer.renderbuffers); + + GE (ctx, glDeleteFramebuffers (1, &offscreen->gl_framebuffer.fbo_handle)); +} + +void +_cogl_framebuffer_gl_clear (CoglFramebuffer *framebuffer, + unsigned long buffers, + float red, + float green, + float blue, + float alpha) +{ + CoglContext *ctx = framebuffer->context; + GLbitfield gl_buffers = 0; + + if (buffers & COGL_BUFFER_BIT_COLOR) + { + GE( ctx, glClearColor (red, green, blue, alpha) ); + gl_buffers |= GL_COLOR_BUFFER_BIT; + + if (ctx->current_gl_color_mask != framebuffer->color_mask) + { + CoglColorMask color_mask = framebuffer->color_mask; + GE( ctx, glColorMask (!!(color_mask & COGL_COLOR_MASK_RED), + !!(color_mask & COGL_COLOR_MASK_GREEN), + !!(color_mask & COGL_COLOR_MASK_BLUE), + !!(color_mask & COGL_COLOR_MASK_ALPHA))); + ctx->current_gl_color_mask = color_mask; + /* Make sure the ColorMask is updated when the next primitive is drawn */ + ctx->current_pipeline_changes_since_flush |= + COGL_PIPELINE_STATE_LOGIC_OPS; + ctx->current_pipeline_age--; + } + } + + if (buffers & COGL_BUFFER_BIT_DEPTH) + { + gl_buffers |= GL_DEPTH_BUFFER_BIT; + + if (ctx->depth_writing_enabled_cache != framebuffer->depth_writing_enabled) + { + GE( ctx, glDepthMask (framebuffer->depth_writing_enabled)); + + ctx->depth_writing_enabled_cache = framebuffer->depth_writing_enabled; + + /* Make sure the DepthMask is updated when the next primitive is drawn */ + ctx->current_pipeline_changes_since_flush |= + COGL_PIPELINE_STATE_DEPTH; + ctx->current_pipeline_age--; + } + } + + if (buffers & COGL_BUFFER_BIT_STENCIL) + gl_buffers |= GL_STENCIL_BUFFER_BIT; + + + GE (ctx, glClear (gl_buffers)); +} + +static inline void +_cogl_framebuffer_init_bits (CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + + if (G_LIKELY (!framebuffer->dirty_bitmasks)) + return; + + cogl_framebuffer_allocate (framebuffer, NULL); + + _cogl_framebuffer_flush_state (framebuffer, + framebuffer, + COGL_FRAMEBUFFER_STATE_BIND); + +#ifdef HAVE_COGL_GL + if (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_QUERY_FRAMEBUFFER_BITS) && + framebuffer->type == COGL_FRAMEBUFFER_TYPE_OFFSCREEN) + { + static const struct + { + GLenum attachment, pname; + size_t offset; + } params[] = + { + { GL_COLOR_ATTACHMENT0, GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE, + offsetof (CoglFramebufferBits, red) }, + { GL_COLOR_ATTACHMENT0, GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE, + offsetof (CoglFramebufferBits, green) }, + { GL_COLOR_ATTACHMENT0, GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE, + offsetof (CoglFramebufferBits, blue) }, + { GL_COLOR_ATTACHMENT0, GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE, + offsetof (CoglFramebufferBits, alpha) }, + { GL_DEPTH_ATTACHMENT, GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE, + offsetof (CoglFramebufferBits, depth) }, + { GL_STENCIL_ATTACHMENT, GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE, + offsetof (CoglFramebufferBits, stencil) }, + }; + int i; + + for (i = 0; i < G_N_ELEMENTS (params); i++) + { + int *value = + (int *) ((uint8_t *) &framebuffer->bits + params[i].offset); + GE( ctx, glGetFramebufferAttachmentParameteriv (GL_FRAMEBUFFER, + params[i].attachment, + params[i].pname, + value) ); + } + } + else +#endif /* HAVE_COGL_GL */ + { + GE( ctx, glGetIntegerv (GL_RED_BITS, &framebuffer->bits.red) ); + GE( ctx, glGetIntegerv (GL_GREEN_BITS, &framebuffer->bits.green) ); + GE( ctx, glGetIntegerv (GL_BLUE_BITS, &framebuffer->bits.blue) ); + GE( ctx, glGetIntegerv (GL_ALPHA_BITS, &framebuffer->bits.alpha) ); + GE( ctx, glGetIntegerv (GL_DEPTH_BITS, &framebuffer->bits.depth) ); + GE( ctx, glGetIntegerv (GL_STENCIL_BITS, &framebuffer->bits.stencil) ); + } + + /* If we don't have alpha textures then the alpha bits are actually + * stored in the red component */ + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_ALPHA_TEXTURES) && + framebuffer->type == COGL_FRAMEBUFFER_TYPE_OFFSCREEN && + framebuffer->internal_format == COGL_PIXEL_FORMAT_A_8) + { + framebuffer->bits.alpha = framebuffer->bits.red; + framebuffer->bits.red = 0; + } + + COGL_NOTE (OFFSCREEN, + "RGBA/D/S Bits for framebuffer[%p, %s]: %d, %d, %d, %d, %d, %d", + framebuffer, + framebuffer->type == COGL_FRAMEBUFFER_TYPE_OFFSCREEN + ? "offscreen" + : "onscreen", + framebuffer->bits.red, + framebuffer->bits.blue, + framebuffer->bits.green, + framebuffer->bits.alpha, + framebuffer->bits.depth, + framebuffer->bits.stencil); + + framebuffer->dirty_bitmasks = FALSE; +} + +void +_cogl_framebuffer_gl_query_bits (CoglFramebuffer *framebuffer, + CoglFramebufferBits *bits) +{ + _cogl_framebuffer_init_bits (framebuffer); + + /* TODO: cache these in some driver specific location not + * directly as part of CoglFramebuffer. */ + *bits = framebuffer->bits; +} + +void +_cogl_framebuffer_gl_finish (CoglFramebuffer *framebuffer) +{ + GE (framebuffer->context, glFinish ()); +} + +void +_cogl_framebuffer_gl_discard_buffers (CoglFramebuffer *framebuffer, + unsigned long buffers) +{ + CoglContext *ctx = framebuffer->context; + + if (ctx->glDiscardFramebuffer) + { + GLenum attachments[3]; + int i = 0; + + if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN) + { + if (buffers & COGL_BUFFER_BIT_COLOR) + attachments[i++] = GL_COLOR; + if (buffers & COGL_BUFFER_BIT_DEPTH) + attachments[i++] = GL_DEPTH; + if (buffers & COGL_BUFFER_BIT_STENCIL) + attachments[i++] = GL_STENCIL; + } + else + { + if (buffers & COGL_BUFFER_BIT_COLOR) + attachments[i++] = GL_COLOR_ATTACHMENT0; + if (buffers & COGL_BUFFER_BIT_DEPTH) + attachments[i++] = GL_DEPTH_ATTACHMENT; + if (buffers & COGL_BUFFER_BIT_STENCIL) + attachments[i++] = GL_STENCIL_ATTACHMENT; + } + + _cogl_framebuffer_flush_state (framebuffer, + framebuffer, + COGL_FRAMEBUFFER_STATE_BIND); + GE (ctx, glDiscardFramebuffer (GL_FRAMEBUFFER, i, attachments)); + } +} + +void +_cogl_framebuffer_gl_draw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags) +{ + _cogl_flush_attributes_state (framebuffer, pipeline, flags, + attributes, n_attributes); + + GE (framebuffer->context, + glDrawArrays ((GLenum)mode, first_vertex, n_vertices)); +} + +static size_t +sizeof_index_type (CoglIndicesType type) +{ + switch (type) + { + case COGL_INDICES_TYPE_UNSIGNED_BYTE: + return 1; + case COGL_INDICES_TYPE_UNSIGNED_SHORT: + return 2; + case COGL_INDICES_TYPE_UNSIGNED_INT: + return 4; + } + g_return_val_if_reached (0); +} + +void +_cogl_framebuffer_gl_draw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags) +{ + CoglBuffer *buffer; + uint8_t *base; + size_t buffer_offset; + size_t index_size; + GLenum indices_gl_type = 0; + + _cogl_flush_attributes_state (framebuffer, pipeline, flags, + attributes, n_attributes); + + buffer = COGL_BUFFER (cogl_indices_get_buffer (indices)); + + /* Note: we don't try and catch errors with binding the index buffer + * here since OOM errors at this point indicate that nothing has yet + * been uploaded to the indices buffer which we consider to be a + * programmer error. + */ + base = _cogl_buffer_gl_bind (buffer, + COGL_BUFFER_BIND_TARGET_INDEX_BUFFER, NULL); + buffer_offset = cogl_indices_get_offset (indices); + index_size = sizeof_index_type (cogl_indices_get_type (indices)); + + switch (cogl_indices_get_type (indices)) + { + case COGL_INDICES_TYPE_UNSIGNED_BYTE: + indices_gl_type = GL_UNSIGNED_BYTE; + break; + case COGL_INDICES_TYPE_UNSIGNED_SHORT: + indices_gl_type = GL_UNSIGNED_SHORT; + break; + case COGL_INDICES_TYPE_UNSIGNED_INT: + indices_gl_type = GL_UNSIGNED_INT; + break; + } + + GE (framebuffer->context, + glDrawElements ((GLenum)mode, + n_vertices, + indices_gl_type, + base + buffer_offset + index_size * first_vertex)); + + _cogl_buffer_gl_unbind (buffer); +} + +static CoglBool +mesa_46631_slow_read_pixels_workaround (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap, + CoglError **error) +{ + CoglContext *ctx; + CoglPixelFormat format; + CoglBitmap *pbo; + int width; + int height; + CoglBool res; + uint8_t *dst; + const uint8_t *src; + + ctx = cogl_framebuffer_get_context (framebuffer); + + width = cogl_bitmap_get_width (bitmap); + height = cogl_bitmap_get_height (bitmap); + format = cogl_bitmap_get_format (bitmap); + + pbo = cogl_bitmap_new_with_size (ctx, width, height, format); + + /* Read into the pbo. We need to disable the flipping because the + blit fast path in the driver does not work with + GL_PACK_INVERT_MESA is set */ + res = _cogl_framebuffer_read_pixels_into_bitmap (framebuffer, + x, y, + source | + COGL_READ_PIXELS_NO_FLIP, + pbo, + error); + if (!res) + { + cogl_object_unref (pbo); + return FALSE; + } + + /* Copy the pixels back into application's buffer */ + dst = _cogl_bitmap_map (bitmap, + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + error); + if (!dst) + { + cogl_object_unref (pbo); + return FALSE; + } + + src = _cogl_bitmap_map (pbo, + COGL_BUFFER_ACCESS_READ, + 0, /* hints */ + error); + if (src) + { + int src_rowstride = cogl_bitmap_get_rowstride (pbo); + int dst_rowstride = cogl_bitmap_get_rowstride (bitmap); + int to_copy = + _cogl_pixel_format_get_bytes_per_pixel (format) * width; + int y; + + /* If the framebuffer is onscreen we need to flip the + data while copying */ + if (!cogl_is_offscreen (framebuffer)) + { + src += src_rowstride * (height - 1); + src_rowstride = -src_rowstride; + } + + for (y = 0; y < height; y++) + { + memcpy (dst, src, to_copy); + dst += dst_rowstride; + src += src_rowstride; + } + + _cogl_bitmap_unmap (pbo); + } + else + res = FALSE; + + _cogl_bitmap_unmap (bitmap); + + cogl_object_unref (pbo); + + return res; +} + +CoglBool +_cogl_framebuffer_gl_read_pixels_into_bitmap (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap, + CoglError **error) +{ + CoglContext *ctx = framebuffer->context; + int framebuffer_height = cogl_framebuffer_get_height (framebuffer); + int width = cogl_bitmap_get_width (bitmap); + int height = cogl_bitmap_get_height (bitmap); + CoglPixelFormat format = cogl_bitmap_get_format (bitmap); + CoglPixelFormat required_format; + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + CoglBool pack_invert_set; + int status = FALSE; + + /* Workaround for cases where its faster to read into a temporary + * PBO. This is only worth doing if: + * + * • The GPU is an Intel GPU. In that case there is a known + * fast-path when reading into a PBO that will use the blitter + * instead of the Mesa fallback code. The driver bug will only be + * set if this is the case. + * • We're not already reading into a PBO. + * • The target format is BGRA. The fast-path blit does not get hit + * otherwise. + * • The size of the data is not trivially small. This isn't a + * requirement to hit the fast-path blit but intuitively it feels + * like if the amount of data is too small then the cost of + * allocating a PBO will outweigh the cost of temporarily + * converting the data to floats. + */ + if ((ctx->gpu.driver_bugs & + COGL_GPU_INFO_DRIVER_BUG_MESA_46631_SLOW_READ_PIXELS) && + (width > 8 || height > 8) && + (format & ~COGL_PREMULT_BIT) == COGL_PIXEL_FORMAT_BGRA_8888 && + cogl_bitmap_get_buffer (bitmap) == NULL) + { + CoglError *ignore_error = NULL; + + if (mesa_46631_slow_read_pixels_workaround (framebuffer, + x, y, + source, + bitmap, + &ignore_error)) + return TRUE; + else + cogl_error_free (ignore_error); + } + + _cogl_framebuffer_flush_state (framebuffer, + framebuffer, + COGL_FRAMEBUFFER_STATE_BIND); + + /* The y co-ordinate should be given in OpenGL's coordinate system + * so 0 is the bottom row + * + * NB: all offscreen rendering is done upside down so no conversion + * is necissary in this case. + */ + if (!cogl_is_offscreen (framebuffer)) + y = framebuffer_height - y - height; + + required_format = ctx->driver_vtable->pixel_format_to_gl (ctx, + format, + &gl_intformat, + &gl_format, + &gl_type); + + /* NB: All offscreen rendering is done upside down so there is no need + * to flip in this case... */ + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_MESA_PACK_INVERT) && + (source & COGL_READ_PIXELS_NO_FLIP) == 0 && + !cogl_is_offscreen (framebuffer)) + { + GE (ctx, glPixelStorei (GL_PACK_INVERT_MESA, TRUE)); + pack_invert_set = TRUE; + } + else + pack_invert_set = FALSE; + + /* Under GLES only GL_RGBA with GL_UNSIGNED_BYTE as well as an + implementation specific format under + GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES and + GL_IMPLEMENTATION_COLOR_READ_TYPE_OES is supported. We could try + to be more clever and check if the requested type matches that + but we would need some reliable functions to convert from GL + types to Cogl types. For now, lets just always read in + GL_RGBA/GL_UNSIGNED_BYTE and convert if necessary. We also need + to use this intermediate buffer if the rowstride has padding + because GLES does not support setting GL_ROW_LENGTH */ + if ((!_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_READ_PIXELS_ANY_FORMAT) && + (gl_format != GL_RGBA || gl_type != GL_UNSIGNED_BYTE || + cogl_bitmap_get_rowstride (bitmap) != 4 * width)) || + (required_format & ~COGL_PREMULT_BIT) != (format & ~COGL_PREMULT_BIT)) + { + CoglBitmap *tmp_bmp; + CoglPixelFormat read_format; + int bpp, rowstride; + uint8_t *tmp_data; + CoglBool succeeded; + + if (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_READ_PIXELS_ANY_FORMAT)) + read_format = required_format; + else + { + read_format = COGL_PIXEL_FORMAT_RGBA_8888; + gl_format = GL_RGBA; + gl_type = GL_UNSIGNED_BYTE; + } + + if (COGL_PIXEL_FORMAT_CAN_HAVE_PREMULT (read_format)) + read_format = ((read_format & ~COGL_PREMULT_BIT) | + (framebuffer->internal_format & COGL_PREMULT_BIT)); + + tmp_bmp = _cogl_bitmap_new_with_malloc_buffer (ctx, + width, height, + read_format, + error); + if (!tmp_bmp) + goto EXIT; + + bpp = _cogl_pixel_format_get_bytes_per_pixel (read_format); + rowstride = cogl_bitmap_get_rowstride (tmp_bmp); + + ctx->texture_driver->prep_gl_for_pixels_download (ctx, + rowstride, + width, + bpp); + + /* Note: we don't worry about catching errors here since we know + * we won't be lazily allocating storage for this buffer so it + * won't fail due to lack of memory. */ + tmp_data = _cogl_bitmap_gl_bind (tmp_bmp, + COGL_BUFFER_ACCESS_WRITE, + COGL_BUFFER_MAP_HINT_DISCARD, + NULL); + + GE( ctx, glReadPixels (x, y, width, height, + gl_format, gl_type, + tmp_data) ); + + _cogl_bitmap_gl_unbind (tmp_bmp); + + succeeded = _cogl_bitmap_convert_into_bitmap (tmp_bmp, bitmap, error); + + cogl_object_unref (tmp_bmp); + + if (!succeeded) + goto EXIT; + } + else + { + CoglBitmap *shared_bmp; + CoglPixelFormat bmp_format; + int bpp, rowstride; + CoglBool succeeded = FALSE; + uint8_t *pixels; + CoglError *internal_error = NULL; + + rowstride = cogl_bitmap_get_rowstride (bitmap); + + /* We match the premultiplied state of the target buffer to the + * premultiplied state of the framebuffer so that it will get + * converted to the right format below */ + if (COGL_PIXEL_FORMAT_CAN_HAVE_PREMULT (format)) + bmp_format = ((format & ~COGL_PREMULT_BIT) | + (framebuffer->internal_format & COGL_PREMULT_BIT)); + else + bmp_format = format; + + if (bmp_format != format) + shared_bmp = _cogl_bitmap_new_shared (bitmap, + bmp_format, + width, height, + rowstride); + else + shared_bmp = cogl_object_ref (bitmap); + + bpp = _cogl_pixel_format_get_bytes_per_pixel (bmp_format); + + ctx->texture_driver->prep_gl_for_pixels_download (ctx, + rowstride, + width, + bpp); + + pixels = _cogl_bitmap_gl_bind (shared_bmp, + COGL_BUFFER_ACCESS_WRITE, + 0, /* hints */ + &internal_error); + /* NB: _cogl_bitmap_gl_bind() can return NULL in sucessfull + * cases so we have to explicitly check the cogl error pointer + * to know if there was a problem */ + if (internal_error) + { + cogl_object_unref (shared_bmp); + _cogl_propagate_error (error, internal_error); + goto EXIT; + } + + GE( ctx, glReadPixels (x, y, + width, height, + gl_format, gl_type, + pixels) ); + + _cogl_bitmap_gl_unbind (shared_bmp); + + /* Convert to the premult format specified by the caller + in-place. This will do nothing if the premult status is already + correct. */ + if (_cogl_bitmap_convert_premult_status (shared_bmp, format, error)) + succeeded = TRUE; + + cogl_object_unref (shared_bmp); + + if (!succeeded) + goto EXIT; + } + + /* NB: All offscreen rendering is done upside down so there is no need + * to flip in this case... */ + if (!cogl_is_offscreen (framebuffer) && + (source & COGL_READ_PIXELS_NO_FLIP) == 0 && + !pack_invert_set) + { + uint8_t *temprow; + int rowstride; + uint8_t *pixels; + + rowstride = cogl_bitmap_get_rowstride (bitmap); + pixels = _cogl_bitmap_map (bitmap, + COGL_BUFFER_ACCESS_READ | + COGL_BUFFER_ACCESS_WRITE, + 0, /* hints */ + error); + + if (pixels == NULL) + goto EXIT; + + temprow = g_alloca (rowstride * sizeof (uint8_t)); + + /* vertically flip the buffer in-place */ + for (y = 0; y < height / 2; y++) + { + if (y != height - y - 1) /* skip center row */ + { + memcpy (temprow, + pixels + y * rowstride, rowstride); + memcpy (pixels + y * rowstride, + pixels + (height - y - 1) * rowstride, rowstride); + memcpy (pixels + (height - y - 1) * rowstride, + temprow, + rowstride); + } + } + + _cogl_bitmap_unmap (bitmap); + } + + status = TRUE; + +EXIT: + + /* Currently this function owns the pack_invert state and we don't want this + * to interfere with other Cogl components so all other code can assume that + * we leave the pack_invert state off. */ + if (pack_invert_set) + GE (ctx, glPixelStorei (GL_PACK_INVERT_MESA, FALSE)); + + return status; +} diff --git a/cogl/driver/gl/cogl-pipeline-fragend-fixed-private.h b/cogl/driver/gl/cogl-pipeline-fragend-fixed-private.h new file mode 100644 index 0000000..6f259f9 --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-fragend-fixed-private.h @@ -0,0 +1,42 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PIPELINE_FRAGEND_FIXED_PRIVATE_H +#define __COGL_PIPELINE_FRAGEND_FIXED_PRIVATE_H + +#include "cogl-pipeline-private.h" + +extern const CoglPipelineFragend _cogl_pipeline_fixed_fragend; + +#endif /* __COGL_PIPELINE_FRAGEND_FIXED_PRIVATE_H */ + diff --git a/cogl/driver/gl/cogl-pipeline-fragend-fixed.c b/cogl/driver/gl/cogl-pipeline-fragend-fixed.c new file mode 100644 index 0000000..7e461f9 --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-fragend-fixed.c @@ -0,0 +1,432 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-state-private.h" +#include "cogl-pipeline-opengl-private.h" + +#ifdef COGL_PIPELINE_FRAGEND_FIXED + +#include "cogl-context-private.h" +#include "cogl-object-private.h" + +#include "cogl-texture-private.h" +#include "cogl-blend-string.h" +#include "cogl-profile.h" +#include "cogl-program-private.h" + +#include +#include +#include + +#ifndef GL_TEXTURE_RECTANGLE_ARB +#define GL_TEXTURE_RECTANGLE_ARB 0x84F5 +#endif + +const CoglPipelineFragend _cogl_pipeline_fixed_fragend; + +static void +_cogl_disable_texture_unit (int unit_index) +{ + CoglTextureUnit *unit; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + unit = &g_array_index (ctx->texture_units, CoglTextureUnit, unit_index); + + if (unit->enabled_gl_target) + { + _cogl_set_active_texture_unit (unit_index); + GE (ctx, glDisable (unit->enabled_gl_target)); + unit->enabled_gl_target = 0; + } +} + +static int +get_max_texture_units (void) +{ + _COGL_GET_CONTEXT (ctx, 0); + + /* This function is called quite often so we cache the value to + avoid too many GL calls */ + if (ctx->max_texture_units == -1) + { + ctx->max_texture_units = 1; + GE (ctx, glGetIntegerv (GL_MAX_TEXTURE_UNITS, + &ctx->max_texture_units)); + } + + return ctx->max_texture_units; +} + +static void +_cogl_pipeline_fragend_fixed_start (CoglPipeline *pipeline, + int n_layers, + unsigned long pipelines_difference) +{ + _cogl_use_fragment_program (0, COGL_PIPELINE_PROGRAM_TYPE_FIXED); +} + +static void +translate_sources (CoglPipeline *pipeline, + int n_sources, + CoglPipelineCombineSource *source_in, + GLenum *source_out) +{ + int i; + + /* The texture source numbers specified in the layer combine are the + layer numbers so we need to map these to unit indices */ + + for (i = 0; i < n_sources; i++) + switch (source_in[i]) + { + case COGL_PIPELINE_COMBINE_SOURCE_TEXTURE: + source_out[i] = GL_TEXTURE; + break; + + case COGL_PIPELINE_COMBINE_SOURCE_CONSTANT: + source_out[i] = GL_CONSTANT; + break; + + case COGL_PIPELINE_COMBINE_SOURCE_PRIMARY_COLOR: + source_out[i] = GL_PRIMARY_COLOR; + break; + + case COGL_PIPELINE_COMBINE_SOURCE_PREVIOUS: + source_out[i] = GL_PREVIOUS; + break; + + default: + { + int layer_num = source_in[i] - COGL_PIPELINE_COMBINE_SOURCE_TEXTURE0; + CoglPipelineGetLayerFlags flags = COGL_PIPELINE_GET_LAYER_NO_CREATE; + CoglPipelineLayer *layer = + _cogl_pipeline_get_layer_with_flags (pipeline, layer_num, flags); + + if (layer == NULL) + { + static CoglBool warning_seen = FALSE; + if (!warning_seen) + { + g_warning ("The application is trying to use a texture " + "combine with a layer number that does not exist"); + warning_seen = TRUE; + } + source_out[i] = GL_PREVIOUS; + } + else + source_out[i] = (_cogl_pipeline_layer_get_unit_index (layer) + + GL_TEXTURE0); + } + } +} + +static CoglBool +_cogl_pipeline_fragend_fixed_add_layer (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + unsigned long layers_difference) +{ + CoglTextureUnit *unit = + _cogl_get_texture_unit (_cogl_pipeline_layer_get_unit_index (layer)); + int unit_index = unit->index; + int n_rgb_func_args; + int n_alpha_func_args; + + _COGL_GET_CONTEXT (ctx, FALSE); + + /* XXX: Beware that since we are changing the active texture unit we + * must make sure we don't call into other Cogl components that may + * temporarily bind texture objects to query/modify parameters since + * they will end up binding texture unit 1. See + * _cogl_bind_gl_texture_transient for more details. + */ + _cogl_set_active_texture_unit (unit_index); + + if (G_UNLIKELY (unit_index >= get_max_texture_units ())) + { + _cogl_disable_texture_unit (unit_index); + /* TODO: although this isn't considered an error that + * warrants falling back to a different backend we + * should print a warning here. */ + return TRUE; + } + + /* Handle enabling or disabling the right texture type */ + if (layers_difference & COGL_PIPELINE_LAYER_STATE_TEXTURE_TYPE) + { + CoglTextureType texture_type = + _cogl_pipeline_layer_get_texture_type (layer); + GLenum gl_target; + + switch (texture_type) + { + case COGL_TEXTURE_TYPE_2D: + gl_target = GL_TEXTURE_2D; + break; + + case COGL_TEXTURE_TYPE_3D: + gl_target = GL_TEXTURE_3D; + break; + + case COGL_TEXTURE_TYPE_RECTANGLE: + gl_target = GL_TEXTURE_RECTANGLE_ARB; + break; + } + + _cogl_set_active_texture_unit (unit_index); + + /* The common GL code handles binding the right texture so we + just need to handle enabling and disabling it */ + + if (unit->enabled_gl_target != gl_target) + { + /* Disable the previous target if it's still enabled */ + if (unit->enabled_gl_target) + GE (ctx, glDisable (unit->enabled_gl_target)); + + /* Enable the new target */ + if (!G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_TEXTURING))) + { + GE (ctx, glEnable (gl_target)); + unit->enabled_gl_target = gl_target; + } + } + } + else + { + /* Even though there may be no difference between the last flushed + * texture state and the current layers texture state it may be that the + * texture unit has been disabled for some time so we need to assert that + * it's enabled now. + */ + if (!G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_TEXTURING)) && + unit->enabled_gl_target == 0) + { + _cogl_set_active_texture_unit (unit_index); + GE (ctx, glEnable (unit->gl_target)); + unit->enabled_gl_target = unit->gl_target; + } + } + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_COMBINE) + { + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_COMBINE); + CoglPipelineLayerBigState *big_state = authority->big_state; + GLenum sources[3]; + + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE)); + + /* Set the combiner functions... */ + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, + GL_COMBINE_RGB, + big_state->texture_combine_rgb_func)); + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, + GL_COMBINE_ALPHA, + big_state->texture_combine_alpha_func)); + + /* + * Setup the function arguments... + */ + + /* For the RGB components... */ + n_rgb_func_args = + _cogl_get_n_args_for_combine_func (big_state->texture_combine_rgb_func); + + translate_sources (pipeline, + n_rgb_func_args, + big_state->texture_combine_rgb_src, + sources); + + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_RGB, + sources[0])); + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, + big_state->texture_combine_rgb_op[0])); + if (n_rgb_func_args > 1) + { + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_SRC1_RGB, + sources[1])); + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_RGB, + big_state->texture_combine_rgb_op[1])); + } + if (n_rgb_func_args > 2) + { + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_SRC2_RGB, + sources[2])); + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND2_RGB, + big_state->texture_combine_rgb_op[2])); + } + + /* For the Alpha component */ + n_alpha_func_args = + _cogl_get_n_args_for_combine_func (big_state->texture_combine_alpha_func); + + translate_sources (pipeline, + n_alpha_func_args, + big_state->texture_combine_alpha_src, + sources); + + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_ALPHA, + sources[0])); + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, + big_state->texture_combine_alpha_op[0])); + if (n_alpha_func_args > 1) + { + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_SRC1_ALPHA, + sources[1])); + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, + big_state->texture_combine_alpha_op[1])); + } + if (n_alpha_func_args > 2) + { + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_SRC2_ALPHA, + sources[2])); + GE (ctx, glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND2_ALPHA, + big_state->texture_combine_alpha_op[2])); + } + } + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT) + { + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority + (layer, COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT); + CoglPipelineLayerBigState *big_state = authority->big_state; + + GE (ctx, glTexEnvfv (GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, + big_state->texture_combine_constant)); + } + + return TRUE; +} + +static CoglBool +get_highest_unit_index_cb (CoglPipelineLayer *layer, + void *user_data) +{ + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + int *highest_index = user_data; + + *highest_index = unit_index; + + return TRUE; +} + +static CoglBool +_cogl_pipeline_fragend_fixed_end (CoglPipeline *pipeline, + unsigned long pipelines_difference) +{ + int highest_unit_index = -1; + int i; + + _COGL_GET_CONTEXT (ctx, FALSE); + + _cogl_pipeline_foreach_layer_internal (pipeline, + get_highest_unit_index_cb, + &highest_unit_index); + + /* Disable additional texture units that may have previously been in use.. */ + for (i = highest_unit_index + 1; i < ctx->texture_units->len; i++) + _cogl_disable_texture_unit (i); + + if (pipelines_difference & COGL_PIPELINE_STATE_FOG) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_FOG); + CoglPipelineFogState *fog_state = &authority->big_state->fog_state; + + if (fog_state->enabled) + { + GLfloat fogColor[4]; + GLenum gl_mode = GL_LINEAR; + + fogColor[0] = cogl_color_get_red_float (&fog_state->color); + fogColor[1] = cogl_color_get_green_float (&fog_state->color); + fogColor[2] = cogl_color_get_blue_float (&fog_state->color); + fogColor[3] = cogl_color_get_alpha_float (&fog_state->color); + + GE (ctx, glEnable (GL_FOG)); + + GE (ctx, glFogfv (GL_FOG_COLOR, fogColor)); + + if (ctx->driver == COGL_DRIVER_GLES1) + switch (fog_state->mode) + { + case COGL_FOG_MODE_LINEAR: + gl_mode = GL_LINEAR; + break; + case COGL_FOG_MODE_EXPONENTIAL: + gl_mode = GL_EXP; + break; + case COGL_FOG_MODE_EXPONENTIAL_SQUARED: + gl_mode = GL_EXP2; + break; + } + /* TODO: support other modes for GLES2 */ + + /* NB: GLES doesn't have glFogi */ + GE (ctx, glFogf (GL_FOG_MODE, gl_mode)); + GE (ctx, glHint (GL_FOG_HINT, GL_NICEST)); + + GE (ctx, glFogf (GL_FOG_DENSITY, fog_state->density)); + GE (ctx, glFogf (GL_FOG_START, fog_state->z_near)); + GE (ctx, glFogf (GL_FOG_END, fog_state->z_far)); + } + else + GE (ctx, glDisable (GL_FOG)); + } + + return TRUE; +} + +const CoglPipelineFragend _cogl_pipeline_fixed_fragend = +{ + _cogl_pipeline_fragend_fixed_start, + _cogl_pipeline_fragend_fixed_add_layer, + NULL, /* passthrough */ + _cogl_pipeline_fragend_fixed_end, + NULL, /* pipeline_change_notify */ + NULL, /* pipeline_set_parent_notify */ + NULL, /* layer_change_notify */ +}; + +#endif /* COGL_PIPELINE_FRAGEND_FIXED */ + diff --git a/cogl/driver/gl/cogl-pipeline-fragend-glsl-private.h b/cogl/driver/gl/cogl-pipeline-fragend-glsl-private.h new file mode 100644 index 0000000..72f5928 --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-fragend-glsl-private.h @@ -0,0 +1,45 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PIPELINE_FRAGEND_GLSL_PRIVATE_H +#define __COGL_PIPELINE_FRAGEND_GLSL_PRIVATE_H + +#include "cogl-pipeline-private.h" + +extern const CoglPipelineFragend _cogl_pipeline_glsl_fragend; + +GLuint +_cogl_pipeline_fragend_glsl_get_shader (CoglPipeline *pipeline); + +#endif /* __COGL_PIPELINE_FRAGEND_GLSL_PRIVATE_H */ + diff --git a/cogl/driver/gl/cogl-pipeline-fragend-glsl.c b/cogl/driver/gl/cogl-pipeline-fragend-glsl.c new file mode 100644 index 0000000..6fdb3a1 --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-fragend-glsl.c @@ -0,0 +1,1149 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-layer-private.h" +#include "cogl-blend-string.h" +#include "cogl-snippet-private.h" +#include "cogl-list.h" + +#ifdef COGL_PIPELINE_FRAGEND_GLSL + +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-shader-private.h" +#include "cogl-program-private.h" +#include "cogl-pipeline-cache.h" +#include "cogl-pipeline-fragend-glsl-private.h" +#include "cogl-glsl-shader-private.h" + +#include + +/* + * GL/GLES compatability defines for pipeline thingies: + */ + +/* This might not be defined on GLES */ +#ifndef GL_TEXTURE_3D +#define GL_TEXTURE_3D 0x806F +#endif + +const CoglPipelineFragend _cogl_pipeline_glsl_backend; + +typedef struct _UnitState +{ + unsigned int sampled:1; + unsigned int combine_constant_used:1; +} UnitState; + +typedef struct _LayerData +{ + CoglList link; + + /* Layer index for the for the previous layer. This isn't + necessarily the same as this layer's index - 1 because the + indices can have gaps. If this is the first layer then it will be + -1 */ + int previous_layer_index; + + CoglPipelineLayer *layer; +} LayerData; + +typedef struct +{ + int ref_count; + + GLuint gl_shader; + GString *header, *source; + UnitState *unit_state; + + /* List of layers that we haven't generated code for yet. These are + in reverse order. As soon as we're about to generate code for + layer we'll remove it from the list so we don't generate it + again */ + CoglList layers; + + CoglPipelineCacheEntry *cache_entry; +} CoglPipelineShaderState; + +static CoglUserDataKey shader_state_key; + +static void +ensure_layer_generated (CoglPipeline *pipeline, + int layer_num); + +static CoglPipelineShaderState * +shader_state_new (int n_layers, + CoglPipelineCacheEntry *cache_entry) +{ + CoglPipelineShaderState *shader_state; + + shader_state = g_slice_new0 (CoglPipelineShaderState); + shader_state->ref_count = 1; + shader_state->unit_state = g_new0 (UnitState, n_layers); + shader_state->cache_entry = cache_entry; + + return shader_state; +} + +static CoglPipelineShaderState * +get_shader_state (CoglPipeline *pipeline) +{ + return cogl_object_get_user_data (COGL_OBJECT (pipeline), &shader_state_key); +} + +static void +destroy_shader_state (void *user_data, + void *instance) +{ + CoglPipelineShaderState *shader_state = user_data; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (shader_state->cache_entry && + shader_state->cache_entry->pipeline != instance) + shader_state->cache_entry->usage_count--; + + if (--shader_state->ref_count == 0) + { + if (shader_state->gl_shader) + GE( ctx, glDeleteShader (shader_state->gl_shader) ); + + g_free (shader_state->unit_state); + + g_slice_free (CoglPipelineShaderState, shader_state); + } +} + +static void +set_shader_state (CoglPipeline *pipeline, CoglPipelineShaderState *shader_state) +{ + if (shader_state) + { + shader_state->ref_count++; + + /* If we're not setting the state on the template pipeline then + * mark it as a usage of the pipeline cache entry */ + if (shader_state->cache_entry && + shader_state->cache_entry->pipeline != pipeline) + shader_state->cache_entry->usage_count++; + } + + _cogl_object_set_user_data (COGL_OBJECT (pipeline), + &shader_state_key, + shader_state, + destroy_shader_state); +} + +static void +dirty_shader_state (CoglPipeline *pipeline) +{ + cogl_object_set_user_data (COGL_OBJECT (pipeline), + &shader_state_key, + NULL, + NULL); +} + +GLuint +_cogl_pipeline_fragend_glsl_get_shader (CoglPipeline *pipeline) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + + if (shader_state) + return shader_state->gl_shader; + else + return 0; +} + +static CoglPipelineSnippetList * +get_fragment_snippets (CoglPipeline *pipeline) +{ + pipeline = + _cogl_pipeline_get_authority (pipeline, + COGL_PIPELINE_STATE_FRAGMENT_SNIPPETS); + + return &pipeline->big_state->fragment_snippets; +} + +static CoglPipelineSnippetList * +get_layer_fragment_snippets (CoglPipelineLayer *layer) +{ + unsigned long state = COGL_PIPELINE_LAYER_STATE_FRAGMENT_SNIPPETS; + layer = _cogl_pipeline_layer_get_authority (layer, state); + + return &layer->big_state->fragment_snippets; +} + +static CoglBool +has_replace_hook (CoglPipelineLayer *layer, + CoglSnippetHook hook) +{ + GList *l; + + for (l = get_layer_fragment_snippets (layer)->entries; l; l = l->next) + { + CoglSnippet *snippet = l->data; + + if (snippet->hook == hook && snippet->replace) + return TRUE; + } + + return FALSE; +} + +static CoglBool +add_layer_declaration_cb (CoglPipelineLayer *layer, + void *user_data) +{ + CoglPipelineShaderState *shader_state = user_data; + CoglTextureType texture_type = + _cogl_pipeline_layer_get_texture_type (layer); + const char *target_string; + + _cogl_gl_util_get_texture_target_string (texture_type, &target_string, NULL); + + g_string_append_printf (shader_state->header, + "uniform sampler%s cogl_sampler%i;\n", + target_string, + layer->index); + + return TRUE; +} + +static void +add_layer_declarations (CoglPipeline *pipeline, + CoglPipelineShaderState *shader_state) +{ + /* We always emit sampler uniforms in case there will be custom + * layer snippets that want to sample arbitrary layers. */ + + _cogl_pipeline_foreach_layer_internal (pipeline, + add_layer_declaration_cb, + shader_state); +} + +static void +add_global_declarations (CoglPipeline *pipeline, + CoglPipelineShaderState *shader_state) +{ + CoglSnippetHook hook = COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS; + CoglPipelineSnippetList *snippets = get_fragment_snippets (pipeline); + + /* Add the global data hooks. All of the code in these snippets is + * always added and only the declarations data is used */ + + _cogl_pipeline_snippet_generate_declarations (shader_state->header, + hook, + snippets); +} + +static void +_cogl_pipeline_fragend_glsl_start (CoglPipeline *pipeline, + int n_layers, + unsigned long pipelines_difference) +{ + CoglPipelineShaderState *shader_state; + CoglPipeline *authority; + CoglPipelineCacheEntry *cache_entry = NULL; + CoglProgram *user_program = cogl_pipeline_get_user_program (pipeline); + int i; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* Now lookup our glsl backend private state */ + shader_state = get_shader_state (pipeline); + + if (shader_state == NULL) + { + /* If we don't have an associated glsl shader yet then find the + * glsl-authority (the oldest ancestor whose state will result in + * the same shader being generated as for this pipeline). + * + * We always make sure to associate new shader with the + * glsl-authority to maximize the chance that other pipelines can + * share it. + */ + authority = _cogl_pipeline_find_equivalent_parent + (pipeline, + _cogl_pipeline_get_state_for_fragment_codegen (ctx) & + ~COGL_PIPELINE_STATE_LAYERS, + _cogl_pipeline_get_layer_state_for_fragment_codegen (ctx)); + + shader_state = get_shader_state (authority); + + /* If we don't have an existing program associated with the + * glsl-authority then start generating code for a new shader... + */ + if (shader_state == NULL) + { + /* Check if there is already a similar cached pipeline whose + shader state we can share */ + if (G_LIKELY (!(COGL_DEBUG_ENABLED + (COGL_DEBUG_DISABLE_PROGRAM_CACHES)))) + { + cache_entry = + _cogl_pipeline_cache_get_fragment_template (ctx->pipeline_cache, + authority); + + shader_state = get_shader_state (cache_entry->pipeline); + } + + if (shader_state) + shader_state->ref_count++; + else + shader_state = shader_state_new (n_layers, cache_entry); + + set_shader_state (authority, shader_state); + + shader_state->ref_count--; + + if (cache_entry) + set_shader_state (cache_entry->pipeline, shader_state); + } + + /* If the pipeline isn't actually its own glsl-authority + * then take a reference to the program state associated + * with the glsl-authority... */ + if (authority != pipeline) + set_shader_state (pipeline, shader_state); + } + + if (user_program) + { + /* If the user program contains a fragment shader then we don't need + to generate one */ + if (_cogl_program_has_fragment_shader (user_program)) + { + if (shader_state->gl_shader) + { + GE( ctx, glDeleteShader (shader_state->gl_shader) ); + shader_state->gl_shader = 0; + } + return; + } + } + + if (shader_state->gl_shader) + return; + + /* If we make it here then we have a glsl_shader_state struct + without a gl_shader either because this is the first time we've + encountered it or because the user program has changed */ + + /* We reuse two grow-only GStrings for code-gen. One string + contains the uniform and attribute declarations while the + other contains the main function. We need two strings + because we need to dynamically declare attributes as the + add_layer callback is invoked */ + g_string_set_size (ctx->codegen_header_buffer, 0); + g_string_set_size (ctx->codegen_source_buffer, 0); + shader_state->header = ctx->codegen_header_buffer; + shader_state->source = ctx->codegen_source_buffer; + _cogl_list_init (&shader_state->layers); + + add_layer_declarations (pipeline, shader_state); + add_global_declarations (pipeline, shader_state); + + g_string_append (shader_state->source, + "void\n" + "cogl_generated_source ()\n" + "{\n"); + + for (i = 0; i < n_layers; i++) + { + shader_state->unit_state[i].sampled = FALSE; + shader_state->unit_state[i].combine_constant_used = FALSE; + } +} + +static void +add_constant_lookup (CoglPipelineShaderState *shader_state, + CoglPipeline *pipeline, + CoglPipelineLayer *layer, + const char *swizzle) +{ + g_string_append_printf (shader_state->header, + "_cogl_layer_constant_%i.%s", + layer->index, swizzle); +} + +static void +ensure_texture_lookup_generated (CoglPipelineShaderState *shader_state, + CoglPipeline *pipeline, + CoglPipelineLayer *layer) +{ + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + CoglPipelineSnippetData snippet_data; + CoglTextureType texture_type; + const char *target_string, *tex_coord_swizzle; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (shader_state->unit_state[unit_index].sampled) + return; + + texture_type = + _cogl_pipeline_layer_get_texture_type (layer); + _cogl_gl_util_get_texture_target_string (texture_type, + &target_string, + &tex_coord_swizzle); + + shader_state->unit_state[unit_index].sampled = TRUE; + + g_string_append_printf (shader_state->header, + "vec4 cogl_texel%i;\n", + layer->index); + + g_string_append_printf (shader_state->source, + " cogl_texel%i = cogl_texture_lookup%i (" + "cogl_sampler%i, ", + layer->index, + layer->index, + layer->index); + + if (cogl_pipeline_get_layer_point_sprite_coords_enabled (pipeline, + layer->index)) + g_string_append_printf (shader_state->source, + "vec4 (cogl_point_coord, 0.0, 1.0)"); + else + g_string_append_printf (shader_state->source, + "cogl_tex_coord%i_in", + layer->index); + + g_string_append (shader_state->source, ");\n"); + + /* There's no need to generate the real texture lookup if it's going + to be replaced */ + if (!has_replace_hook (layer, COGL_SNIPPET_HOOK_TEXTURE_LOOKUP)) + { + g_string_append_printf (shader_state->header, + "vec4\n" + "cogl_real_texture_lookup%i (sampler%s tex,\n" + " vec4 coords)\n" + "{\n" + " return ", + layer->index, + target_string); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_TEXTURING))) + g_string_append (shader_state->header, + "vec4 (1.0, 1.0, 1.0, 1.0);\n"); + else + g_string_append_printf (shader_state->header, + "texture%s (tex, coords.%s);\n", + target_string, tex_coord_swizzle); + + g_string_append (shader_state->header, "}\n"); + } + + /* Wrap the texture lookup in any snippets that have been hooked */ + memset (&snippet_data, 0, sizeof (snippet_data)); + snippet_data.snippets = get_layer_fragment_snippets (layer); + snippet_data.hook = COGL_SNIPPET_HOOK_TEXTURE_LOOKUP; + snippet_data.chain_function = g_strdup_printf ("cogl_real_texture_lookup%i", + layer->index); + snippet_data.final_name = g_strdup_printf ("cogl_texture_lookup%i", + layer->index); + snippet_data.function_prefix = g_strdup_printf ("cogl_texture_lookup_hook%i", + layer->index); + snippet_data.return_type = "vec4"; + snippet_data.return_variable = "cogl_texel"; + snippet_data.arguments = "cogl_sampler, cogl_tex_coord"; + snippet_data.argument_declarations = + g_strdup_printf ("sampler%s cogl_sampler, vec4 cogl_tex_coord", + target_string); + snippet_data.source_buf = shader_state->header; + + _cogl_pipeline_snippet_generate_code (&snippet_data); + + g_free ((char *) snippet_data.chain_function); + g_free ((char *) snippet_data.final_name); + g_free ((char *) snippet_data.function_prefix); + g_free ((char *) snippet_data.argument_declarations); +} + +static void +add_arg (CoglPipelineShaderState *shader_state, + CoglPipeline *pipeline, + CoglPipelineLayer *layer, + int previous_layer_index, + CoglPipelineCombineSource src, + CoglPipelineCombineOp operand, + const char *swizzle) +{ + GString *shader_source = shader_state->header; + char alpha_swizzle[5] = "aaaa"; + + g_string_append_c (shader_source, '('); + + if (operand == COGL_PIPELINE_COMBINE_OP_ONE_MINUS_SRC_COLOR || + operand == COGL_PIPELINE_COMBINE_OP_ONE_MINUS_SRC_ALPHA) + g_string_append_printf (shader_source, + "vec4(1.0, 1.0, 1.0, 1.0).%s - ", + swizzle); + + /* If the operand is reading from the alpha then replace the swizzle + with the same number of copies of the alpha */ + if (operand == COGL_PIPELINE_COMBINE_OP_SRC_ALPHA || + operand == COGL_PIPELINE_COMBINE_OP_ONE_MINUS_SRC_ALPHA) + { + alpha_swizzle[strlen (swizzle)] = '\0'; + swizzle = alpha_swizzle; + } + + switch (src) + { + case COGL_PIPELINE_COMBINE_SOURCE_TEXTURE: + g_string_append_printf (shader_source, + "cogl_texel%i.%s", + layer->index, + swizzle); + break; + + case COGL_PIPELINE_COMBINE_SOURCE_CONSTANT: + add_constant_lookup (shader_state, + pipeline, + layer, + swizzle); + break; + + case COGL_PIPELINE_COMBINE_SOURCE_PREVIOUS: + if (previous_layer_index >= 0) + { + g_string_append_printf (shader_source, + "cogl_layer%i.%s", + previous_layer_index, + swizzle); + break; + } + /* flow through */ + case COGL_PIPELINE_COMBINE_SOURCE_PRIMARY_COLOR: + g_string_append_printf (shader_source, "cogl_color_in.%s", swizzle); + break; + + default: + { + int layer_num = src - COGL_PIPELINE_COMBINE_SOURCE_TEXTURE0; + CoglPipelineGetLayerFlags flags = COGL_PIPELINE_GET_LAYER_NO_CREATE; + CoglPipelineLayer *other_layer = + _cogl_pipeline_get_layer_with_flags (pipeline, layer_num, flags); + + if (other_layer == NULL) + { + static CoglBool warning_seen = FALSE; + if (!warning_seen) + { + g_warning ("The application is trying to use a texture " + "combine with a layer number that does not exist"); + warning_seen = TRUE; + } + g_string_append_printf (shader_source, + "vec4 (1.0, 1.0, 1.0, 1.0).%s", + swizzle); + } + else + g_string_append_printf (shader_source, + "cogl_texel%i.%s", + other_layer->index, + swizzle); + } + break; + } + + g_string_append_c (shader_source, ')'); +} + +static void +ensure_arg_generated (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + int previous_layer_index, + CoglPipelineCombineSource src) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + + switch (src) + { + case COGL_PIPELINE_COMBINE_SOURCE_PRIMARY_COLOR: + /* This doesn't involve any other layers */ + break; + + case COGL_PIPELINE_COMBINE_SOURCE_CONSTANT: + { + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + /* Create a sampler uniform for this layer if we haven't already */ + if (!shader_state->unit_state[unit_index].combine_constant_used) + { + g_string_append_printf (shader_state->header, + "uniform vec4 _cogl_layer_constant_%i;\n", + layer->index); + shader_state->unit_state[unit_index].combine_constant_used = TRUE; + } + } + break; + + case COGL_PIPELINE_COMBINE_SOURCE_PREVIOUS: + if (previous_layer_index >= 0) + ensure_layer_generated (pipeline, previous_layer_index); + break; + + case COGL_PIPELINE_COMBINE_SOURCE_TEXTURE: + ensure_texture_lookup_generated (shader_state, + pipeline, + layer); + break; + + default: + if (src >= COGL_PIPELINE_COMBINE_SOURCE_TEXTURE0) + { + int layer_num = src - COGL_PIPELINE_COMBINE_SOURCE_TEXTURE0; + CoglPipelineGetLayerFlags flags = COGL_PIPELINE_GET_LAYER_NO_CREATE; + CoglPipelineLayer *other_layer = + _cogl_pipeline_get_layer_with_flags (pipeline, layer_num, flags); + + if (other_layer) + ensure_texture_lookup_generated (shader_state, + pipeline, + other_layer); + } + break; + } +} + +static void +ensure_args_for_func (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + int previous_layer_index, + CoglPipelineCombineFunc function, + CoglPipelineCombineSource *src) +{ + int n_args = _cogl_get_n_args_for_combine_func (function); + int i; + + for (i = 0; i < n_args; i++) + ensure_arg_generated (pipeline, layer, previous_layer_index, src[i]); +} + +static void +append_masked_combine (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + int previous_layer_index, + const char *swizzle, + CoglPipelineCombineFunc function, + CoglPipelineCombineSource *src, + CoglPipelineCombineOp *op) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + GString *shader_source = shader_state->header; + + g_string_append_printf (shader_state->header, + " cogl_layer.%s = ", + swizzle); + + switch (function) + { + case COGL_PIPELINE_COMBINE_FUNC_REPLACE: + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[0], op[0], swizzle); + break; + + case COGL_PIPELINE_COMBINE_FUNC_MODULATE: + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[0], op[0], swizzle); + g_string_append (shader_source, " * "); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[1], op[1], swizzle); + break; + + case COGL_PIPELINE_COMBINE_FUNC_ADD: + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[0], op[0], swizzle); + g_string_append (shader_source, " + "); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[1], op[1], swizzle); + break; + + case COGL_PIPELINE_COMBINE_FUNC_ADD_SIGNED: + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[0], op[0], swizzle); + g_string_append (shader_source, " + "); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[1], op[1], swizzle); + g_string_append_printf (shader_source, + " - vec4(0.5, 0.5, 0.5, 0.5).%s", + swizzle); + break; + + case COGL_PIPELINE_COMBINE_FUNC_SUBTRACT: + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[0], op[0], swizzle); + g_string_append (shader_source, " - "); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[1], op[1], swizzle); + break; + + case COGL_PIPELINE_COMBINE_FUNC_INTERPOLATE: + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[0], op[0], swizzle); + g_string_append (shader_source, " * "); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[2], op[2], swizzle); + g_string_append (shader_source, " + "); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[1], op[1], swizzle); + g_string_append_printf (shader_source, + " * (vec4(1.0, 1.0, 1.0, 1.0).%s - ", + swizzle); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[2], op[2], swizzle); + g_string_append_c (shader_source, ')'); + break; + + case COGL_PIPELINE_COMBINE_FUNC_DOT3_RGB: + case COGL_PIPELINE_COMBINE_FUNC_DOT3_RGBA: + g_string_append (shader_source, "vec4(4.0 * (("); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[0], op[0], "r"); + g_string_append (shader_source, " - 0.5) * ("); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[1], op[1], "r"); + g_string_append (shader_source, " - 0.5) + ("); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[0], op[0], "g"); + g_string_append (shader_source, " - 0.5) * ("); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[1], op[1], "g"); + g_string_append (shader_source, " - 0.5) + ("); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[0], op[0], "b"); + g_string_append (shader_source, " - 0.5) * ("); + add_arg (shader_state, pipeline, layer, previous_layer_index, + src[1], op[1], "b"); + g_string_append_printf (shader_source, " - 0.5))).%s", swizzle); + break; + } + + g_string_append_printf (shader_source, ";\n"); +} + +static void +ensure_layer_generated (CoglPipeline *pipeline, + int layer_index) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + CoglPipelineLayer *combine_authority; + CoglPipelineLayerBigState *big_state; + CoglPipelineLayer *layer; + CoglPipelineSnippetData snippet_data; + LayerData *layer_data; + + /* Find the layer that corresponds to this layer_num */ + _cogl_list_for_each (layer_data, &shader_state->layers, link) + { + layer = layer_data->layer; + + if (layer->index == layer_index) + goto found; + } + + /* If we didn't find it then we can assume the layer has already + been generated */ + return; + + found: + + /* Remove the layer from the list so we don't generate it again */ + _cogl_list_remove (&layer_data->link); + + combine_authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_COMBINE); + big_state = combine_authority->big_state; + + /* Make a global variable for the result of the layer code */ + g_string_append_printf (shader_state->header, + "vec4 cogl_layer%i;\n", + layer_index); + + /* Skip the layer generation if there is a snippet that replaces the + default layer code. This is important because generating this + code may cause the code for other layers to be generated and + stored in the global variable. If this code isn't actually used + then the global variables would be uninitialised and they may be + used from other layers */ + if (!has_replace_hook (layer, COGL_SNIPPET_HOOK_LAYER_FRAGMENT)) + { + ensure_args_for_func (pipeline, + layer, + layer_data->previous_layer_index, + big_state->texture_combine_rgb_func, + big_state->texture_combine_rgb_src); + ensure_args_for_func (pipeline, + layer, + layer_data->previous_layer_index, + big_state->texture_combine_alpha_func, + big_state->texture_combine_alpha_src); + + g_string_append_printf (shader_state->header, + "vec4\n" + "cogl_real_generate_layer%i ()\n" + "{\n" + " vec4 cogl_layer;\n", + layer_index); + + if (!_cogl_pipeline_layer_needs_combine_separate (combine_authority) || + /* GL_DOT3_RGBA Is a bit weird as a GL_COMBINE_RGB function + * since if you use it, it overrides your ALPHA function... + */ + big_state->texture_combine_rgb_func == + COGL_PIPELINE_COMBINE_FUNC_DOT3_RGBA) + append_masked_combine (pipeline, + layer, + layer_data->previous_layer_index, + "rgba", + big_state->texture_combine_rgb_func, + big_state->texture_combine_rgb_src, + big_state->texture_combine_rgb_op); + else + { + append_masked_combine (pipeline, + layer, + layer_data->previous_layer_index, + "rgb", + big_state->texture_combine_rgb_func, + big_state->texture_combine_rgb_src, + big_state->texture_combine_rgb_op); + append_masked_combine (pipeline, + layer, + layer_data->previous_layer_index, + "a", + big_state->texture_combine_alpha_func, + big_state->texture_combine_alpha_src, + big_state->texture_combine_alpha_op); + } + + g_string_append (shader_state->header, + " return cogl_layer;\n" + "}\n"); + } + + /* Wrap the layer code in any snippets that have been hooked */ + memset (&snippet_data, 0, sizeof (snippet_data)); + snippet_data.snippets = get_layer_fragment_snippets (layer); + snippet_data.hook = COGL_SNIPPET_HOOK_LAYER_FRAGMENT; + snippet_data.chain_function = g_strdup_printf ("cogl_real_generate_layer%i", + layer_index); + snippet_data.final_name = g_strdup_printf ("cogl_generate_layer%i", + layer_index); + snippet_data.function_prefix = g_strdup_printf ("cogl_generate_layer%i", + layer_index); + snippet_data.return_type = "vec4"; + snippet_data.return_variable = "cogl_layer"; + snippet_data.source_buf = shader_state->header; + + _cogl_pipeline_snippet_generate_code (&snippet_data); + + g_free ((char *) snippet_data.chain_function); + g_free ((char *) snippet_data.final_name); + g_free ((char *) snippet_data.function_prefix); + + g_string_append_printf (shader_state->source, + " cogl_layer%i = cogl_generate_layer%i ();\n", + layer_index, + layer_index); + + g_slice_free (LayerData, layer_data); +} + +static CoglBool +_cogl_pipeline_fragend_glsl_add_layer (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + unsigned long layers_difference) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + LayerData *layer_data; + + if (!shader_state->source) + return TRUE; + + /* Store the layers in reverse order */ + layer_data = g_slice_new (LayerData); + layer_data->layer = layer; + + if (_cogl_list_empty (&shader_state->layers)) + { + layer_data->previous_layer_index = -1; + } + else + { + LayerData *first = + _cogl_container_of (shader_state->layers.next, LayerData, link); + layer_data->previous_layer_index = first->layer->index; + } + + _cogl_list_insert (&shader_state->layers, &layer_data->link); + + return TRUE; +} + +/* GLES2 and GL3 don't have alpha testing so we need to implement it + in the shader */ + +#if defined(HAVE_COGL_GLES2) || defined(HAVE_COGL_GL) + +static void +add_alpha_test_snippet (CoglPipeline *pipeline, + CoglPipelineShaderState *shader_state) +{ + CoglPipelineAlphaFunc alpha_func; + + alpha_func = cogl_pipeline_get_alpha_test_function (pipeline); + + if (alpha_func == COGL_PIPELINE_ALPHA_FUNC_ALWAYS) + /* Do nothing */ + return; + + if (alpha_func == COGL_PIPELINE_ALPHA_FUNC_NEVER) + { + /* Always discard the fragment */ + g_string_append (shader_state->source, + " discard;\n"); + return; + } + + /* For all of the other alpha functions we need a uniform for the + reference */ + + g_string_append (shader_state->header, + "uniform float _cogl_alpha_test_ref;\n"); + + g_string_append (shader_state->source, + " if (cogl_color_out.a "); + + switch (alpha_func) + { + case COGL_PIPELINE_ALPHA_FUNC_LESS: + g_string_append (shader_state->source, ">="); + break; + case COGL_PIPELINE_ALPHA_FUNC_EQUAL: + g_string_append (shader_state->source, "!="); + break; + case COGL_PIPELINE_ALPHA_FUNC_LEQUAL: + g_string_append (shader_state->source, ">"); + break; + case COGL_PIPELINE_ALPHA_FUNC_GREATER: + g_string_append (shader_state->source, "<="); + break; + case COGL_PIPELINE_ALPHA_FUNC_NOTEQUAL: + g_string_append (shader_state->source, "=="); + break; + case COGL_PIPELINE_ALPHA_FUNC_GEQUAL: + g_string_append (shader_state->source, "< "); + break; + + case COGL_PIPELINE_ALPHA_FUNC_ALWAYS: + case COGL_PIPELINE_ALPHA_FUNC_NEVER: + g_assert_not_reached (); + break; + } + + g_string_append (shader_state->source, + " _cogl_alpha_test_ref)\n discard;\n"); +} + +#endif /* HAVE_COGL_GLES2 */ + +static CoglBool +_cogl_pipeline_fragend_glsl_end (CoglPipeline *pipeline, + unsigned long pipelines_difference) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + + _COGL_GET_CONTEXT (ctx, FALSE); + + if (shader_state->source) + { + const char *source_strings[2]; + GLint lengths[2]; + GLint compile_status; + GLuint shader; + CoglPipelineSnippetData snippet_data; + + COGL_STATIC_COUNTER (fragend_glsl_compile_counter, + "glsl fragment compile counter", + "Increments each time a new GLSL " + "fragment shader is compiled", + 0 /* no application private data */); + COGL_COUNTER_INC (_cogl_uprof_context, fragend_glsl_compile_counter); + + /* We only need to generate code to calculate the fragment value + for the last layer. If the value of this layer depends on any + previous layers then it will recursively generate the code + for those layers */ + if (!_cogl_list_empty (&shader_state->layers)) + { + CoglPipelineLayer *last_layer; + LayerData *layer_data, *tmp; + + layer_data = _cogl_container_of (shader_state->layers.next, + LayerData, + link); + last_layer = layer_data->layer; + + ensure_layer_generated (pipeline, last_layer->index); + g_string_append_printf (shader_state->source, + " cogl_color_out = cogl_layer%i;\n", + last_layer->index); + + _cogl_list_for_each_safe (layer_data, + tmp, + &shader_state->layers, + link) + g_slice_free (LayerData, layer_data); + } + else + g_string_append (shader_state->source, + " cogl_color_out = cogl_color_in;\n"); + +#if defined(HAVE_COGL_GLES2) || defined (HAVE_COGL_GL) + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_ALPHA_TEST)) + add_alpha_test_snippet (pipeline, shader_state); +#endif + + /* Close the function surrounding the generated fragment processing */ + g_string_append (shader_state->source, "}\n"); + + /* Add all of the hooks for fragment processing */ + memset (&snippet_data, 0, sizeof (snippet_data)); + snippet_data.snippets = get_fragment_snippets (pipeline); + snippet_data.hook = COGL_SNIPPET_HOOK_FRAGMENT; + snippet_data.chain_function = "cogl_generated_source"; + snippet_data.final_name = "main"; + snippet_data.function_prefix = "cogl_fragment_hook"; + snippet_data.source_buf = shader_state->source; + _cogl_pipeline_snippet_generate_code (&snippet_data); + + GE_RET( shader, ctx, glCreateShader (GL_FRAGMENT_SHADER) ); + + lengths[0] = shader_state->header->len; + source_strings[0] = shader_state->header->str; + lengths[1] = shader_state->source->len; + source_strings[1] = shader_state->source->str; + + _cogl_glsl_shader_set_source_with_boilerplate (ctx, + shader, GL_FRAGMENT_SHADER, + pipeline, + 2, /* count */ + source_strings, lengths); + + GE( ctx, glCompileShader (shader) ); + GE( ctx, glGetShaderiv (shader, GL_COMPILE_STATUS, &compile_status) ); + + if (!compile_status) + { + GLint len = 0; + char *shader_log; + + GE( ctx, glGetShaderiv (shader, GL_INFO_LOG_LENGTH, &len) ); + shader_log = g_alloca (len); + GE( ctx, glGetShaderInfoLog (shader, len, &len, shader_log) ); + g_warning ("Shader compilation failed:\n%s", shader_log); + } + + shader_state->header = NULL; + shader_state->source = NULL; + shader_state->gl_shader = shader; + } + + return TRUE; +} + +static void +_cogl_pipeline_fragend_glsl_pre_change_notify (CoglPipeline *pipeline, + CoglPipelineState change, + const CoglColor *new_color) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if ((change & _cogl_pipeline_get_state_for_fragment_codegen (ctx))) + dirty_shader_state (pipeline); +} + +/* NB: layers are considered immutable once they have any dependants + * so although multiple pipelines can end up depending on a single + * static layer, we can guarantee that if a layer is being *changed* + * then it can only have one pipeline depending on it. + * + * XXX: Don't forget this is *pre* change, we can't read the new value + * yet! + */ +static void +_cogl_pipeline_fragend_glsl_layer_pre_change_notify ( + CoglPipeline *owner, + CoglPipelineLayer *layer, + CoglPipelineLayerState change) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if ((change & _cogl_pipeline_get_layer_state_for_fragment_codegen (ctx))) + { + dirty_shader_state (owner); + return; + } + + /* TODO: we could be saving snippets of texture combine code along + * with each layer and then when a layer changes we would just free + * the snippet. */ +} + +const CoglPipelineFragend _cogl_pipeline_glsl_fragend = +{ + _cogl_pipeline_fragend_glsl_start, + _cogl_pipeline_fragend_glsl_add_layer, + NULL, /* passthrough */ + _cogl_pipeline_fragend_glsl_end, + _cogl_pipeline_fragend_glsl_pre_change_notify, + NULL, /* pipeline_set_parent_notify */ + _cogl_pipeline_fragend_glsl_layer_pre_change_notify +}; + +#endif /* COGL_PIPELINE_FRAGEND_GLSL */ + diff --git a/cogl/driver/gl/cogl-pipeline-opengl-private.h b/cogl/driver/gl/cogl-pipeline-opengl-private.h new file mode 100644 index 0000000..0a374be --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-opengl-private.h @@ -0,0 +1,158 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PIPELINE_OPENGL_PRIVATE_H +#define __COGL_PIPELINE_OPENGL_PRIVATE_H + +#include "cogl-pipeline-private.h" +#include "cogl-matrix-stack.h" + +/* + * cogl-pipeline.c owns the GPU's texture unit state so we have some + * private structures for describing the current state of a texture + * unit that we track in a per context array (ctx->texture_units) that + * grows according to the largest texture unit used so far... + * + * Roughly speaking the members in this structure are of two kinds: + * either they are a low level reflection of the state we send to + * OpenGL or they are for high level meta data assoicated with the + * texture unit when flushing CoglPipelineLayers that is typically + * used to optimize subsequent re-flushing of the same layer. + * + * The low level members are at the top, and the high level members + * start with the .layer member. + */ +typedef struct _CoglTextureUnit +{ + /* The base 0 texture unit index which can be used with + * glActiveTexture () */ + int index; + + /* The GL target currently glEnabled or 0 if nothing is + * enabled. This is only used by the fixed pipeline fragend */ + GLenum enabled_gl_target; + + /* The raw GL texture object name for which we called glBindTexture when + * we flushed the last layer. (NB: The CoglTexture associated + * with a layer may represent more than one GL texture) */ + GLuint gl_texture; + /* The target of the GL texture object. This is just used so that we + * can quickly determine the intended target to flush when + * dirty_gl_texture == TRUE */ + GLenum gl_target; + + /* Foreign textures are those not created or deleted by Cogl. If we ever + * call glBindTexture for a foreign texture then the next time we are + * asked to glBindTexture we can't try and optimize a redundant state + * change because we don't know if the original texture name was deleted + * and now we are being asked to bind a recycled name. */ + CoglBool is_foreign; + + /* We have many components in Cogl that need to temporarily bind arbitrary + * textures e.g. to query texture object parameters and since we don't + * want that to result in too much redundant reflushing of layer state + * when all that's needed is to re-bind the layer's gl_texture we use this + * to track when the unit->gl_texture state is out of sync with the GL + * texture object really bound too (GL_TEXTURE0+unit->index). + * + * XXX: as a further optimization cogl-pipeline.c uses a convention + * of always using texture unit 1 for these transient bindings so we + * can assume this is only ever TRUE for unit 1. + */ + CoglBool dirty_gl_texture; + + /* A matrix stack giving us the means to associate a texture + * transform matrix with the texture unit. */ + CoglMatrixStack *matrix_stack; + + /* + * Higher level layer state associated with the unit... + */ + + /* The CoglPipelineLayer whos state was flushed to update this + * texture unit last. + * + * This will be set to NULL if the layer is modified or freed which + * means when we come to flush a layer; if this pointer is still + * valid and == to the layer being flushed we don't need to update + * any texture unit state. */ + CoglPipelineLayer *layer; + + /* To help minimize the state changes required we track the + * difference flags associated with the layer whos state was last + * flushed to update this texture unit. + * + * Note: we track this explicitly because .layer may get invalidated + * if that layer is modified or deleted. Even if the layer is + * invalidated though these flags can be used to optimize the state + * flush of the next layer + */ + unsigned long layer_changes_since_flush; + + /* Whenever a CoglTexture's internal GL texture storage changes + * cogl-pipeline.c is notified with a call to + * _cogl_pipeline_texture_storage_change_notify which inturn sets + * this to TRUE for each texture unit that it is currently bound + * too. When we later come to flush some pipeline state then we will + * always check this to potentially force an update of the texture + * state even if the pipeline hasn't changed. */ + CoglBool texture_storage_changed; + +} CoglTextureUnit; + +CoglTextureUnit * +_cogl_get_texture_unit (int index_); + +void +_cogl_destroy_texture_units (void); + +void +_cogl_set_active_texture_unit (int unit_index); + +void +_cogl_bind_gl_texture_transient (GLenum gl_target, + GLuint gl_texture, + CoglBool is_foreign); + +void +_cogl_delete_gl_texture (GLuint gl_texture); + +void +_cogl_pipeline_flush_gl_state (CoglContext *context, + CoglPipeline *pipeline, + CoglFramebuffer *framebuffer, + CoglBool skip_gl_state, + CoglBool unknown_color_alpha); + +#endif /* __COGL_PIPELINE_OPENGL_PRIVATE_H */ + diff --git a/cogl/driver/gl/cogl-pipeline-opengl.c b/cogl/driver/gl/cogl-pipeline-opengl.c new file mode 100644 index 0000000..c7b44ee --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-opengl.c @@ -0,0 +1,1484 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#include "config.h" + +#include "cogl-debug.h" +#include "cogl-util-gl-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-context-private.h" +#include "cogl-texture-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-offscreen.h" +#include "cogl-texture-gl-private.h" + +#include "cogl-pipeline-progend-glsl-private.h" + +#include + +#include +#include + +/* + * GL/GLES compatability defines for pipeline thingies: + */ + +/* These aren't defined in the GLES headers */ +#ifndef GL_POINT_SPRITE +#define GL_POINT_SPRITE 0x8861 +#endif +#ifndef GL_COORD_REPLACE +#define GL_COORD_REPLACE 0x8862 +#endif +#ifndef GL_CLAMP_TO_BORDER +#define GL_CLAMP_TO_BORDER 0x812d +#endif +#ifndef GL_PROGRAM_POINT_SIZE +#define GL_PROGRAM_POINT_SIZE 0x8642 +#endif + +static void +texture_unit_init (CoglContext *ctx, + CoglTextureUnit *unit, + int index_) +{ + unit->index = index_; + unit->enabled_gl_target = 0; + unit->gl_texture = 0; + unit->gl_target = 0; + unit->is_foreign = FALSE; + unit->dirty_gl_texture = FALSE; + unit->matrix_stack = cogl_matrix_stack_new (ctx); + + unit->layer = NULL; + unit->layer_changes_since_flush = 0; + unit->texture_storage_changed = FALSE; +} + +static void +texture_unit_free (CoglTextureUnit *unit) +{ + if (unit->layer) + cogl_object_unref (unit->layer); + cogl_object_unref (unit->matrix_stack); +} + +CoglTextureUnit * +_cogl_get_texture_unit (int index_) +{ + _COGL_GET_CONTEXT (ctx, NULL); + + if (ctx->texture_units->len < (index_ + 1)) + { + int i; + int prev_len = ctx->texture_units->len; + ctx->texture_units = g_array_set_size (ctx->texture_units, index_ + 1); + for (i = prev_len; i <= index_; i++) + { + CoglTextureUnit *unit = + &g_array_index (ctx->texture_units, CoglTextureUnit, i); + + texture_unit_init (ctx, unit, i); + } + } + + return &g_array_index (ctx->texture_units, CoglTextureUnit, index_); +} + +void +_cogl_destroy_texture_units (void) +{ + int i; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + for (i = 0; i < ctx->texture_units->len; i++) + { + CoglTextureUnit *unit = + &g_array_index (ctx->texture_units, CoglTextureUnit, i); + texture_unit_free (unit); + } + g_array_free (ctx->texture_units, TRUE); +} + +void +_cogl_set_active_texture_unit (int unit_index) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->active_texture_unit != unit_index) + { + GE (ctx, glActiveTexture (GL_TEXTURE0 + unit_index)); + ctx->active_texture_unit = unit_index; + } +} + +/* Note: _cogl_bind_gl_texture_transient conceptually has slightly + * different semantics to OpenGL's glBindTexture because Cogl never + * cares about tracking multiple textures bound to different targets + * on the same texture unit. + * + * glBindTexture lets you bind multiple textures to a single texture + * unit if they are bound to different targets. So it does something + * like: + * unit->current_texture[target] = texture; + * + * Cogl only lets you associate one texture with the currently active + * texture unit, so the target is basically a redundant parameter + * that's implicitly set on that texture. + * + * Technically this is just a thin wrapper around glBindTexture so + * actually it does have the GL semantics but it seems worth + * mentioning the conceptual difference in case anyone wonders why we + * don't associate the gl_texture with a gl_target in the + * CoglTextureUnit. + */ +void +_cogl_bind_gl_texture_transient (GLenum gl_target, + GLuint gl_texture, + CoglBool is_foreign) +{ + CoglTextureUnit *unit; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* We choose to always make texture unit 1 active for transient + * binds so that in the common case where multitexturing isn't used + * we can simply ignore the state of this texture unit. Notably we + * didn't use a large texture unit (.e.g. (GL_MAX_TEXTURE_UNITS - 1) + * in case the driver doesn't have a sparse data structure for + * texture units. + */ + _cogl_set_active_texture_unit (1); + unit = _cogl_get_texture_unit (1); + + /* NB: If we have previously bound a foreign texture to this texture + * unit we don't know if that texture has since been deleted and we + * are seeing the texture name recycled */ + if (unit->gl_texture == gl_texture && + !unit->dirty_gl_texture && + !unit->is_foreign) + return; + + GE (ctx, glBindTexture (gl_target, gl_texture)); + + unit->dirty_gl_texture = TRUE; + unit->is_foreign = is_foreign; +} + +void +_cogl_delete_gl_texture (GLuint gl_texture) +{ + int i; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + for (i = 0; i < ctx->texture_units->len; i++) + { + CoglTextureUnit *unit = + &g_array_index (ctx->texture_units, CoglTextureUnit, i); + + if (unit->gl_texture == gl_texture) + { + unit->gl_texture = 0; + unit->gl_target = 0; + unit->dirty_gl_texture = FALSE; + } + } + + GE (ctx, glDeleteTextures (1, &gl_texture)); +} + +/* Whenever the underlying GL texture storage of a CoglTexture is + * changed (e.g. due to migration out of a texture atlas) then we are + * notified. This lets us ensure that we reflush that texture's state + * if it is reused again with the same texture unit. + */ +void +_cogl_pipeline_texture_storage_change_notify (CoglTexture *texture) +{ + int i; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + for (i = 0; i < ctx->texture_units->len; i++) + { + CoglTextureUnit *unit = + &g_array_index (ctx->texture_units, CoglTextureUnit, i); + + if (unit->layer && + _cogl_pipeline_layer_get_texture (unit->layer) == texture) + unit->texture_storage_changed = TRUE; + + /* NB: the texture may be bound to multiple texture units so + * we continue to check the rest */ + } +} + +static void +set_glsl_program (GLuint gl_program) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->current_gl_program != gl_program) + { + GLenum gl_error; + + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + ctx->glUseProgram (gl_program); + if (ctx->glGetError () == GL_NO_ERROR) + ctx->current_gl_program = gl_program; + else + { + GE( ctx, glUseProgram (0) ); + ctx->current_gl_program = 0; + } + } +} + +void +_cogl_use_fragment_program (GLuint gl_program, CoglPipelineProgramType type) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* If we're changing program type... */ + if (type != ctx->current_fragment_program_type) + { + /* ... disable the old type */ + switch (ctx->current_fragment_program_type) + { + case COGL_PIPELINE_PROGRAM_TYPE_GLSL: + /* If the program contains a vertex shader then we shouldn't + disable it */ + if (ctx->current_vertex_program_type != + COGL_PIPELINE_PROGRAM_TYPE_GLSL) + set_glsl_program (0); + break; + + case COGL_PIPELINE_PROGRAM_TYPE_ARBFP: +#ifdef HAVE_COGL_GL + GE( ctx, glDisable (GL_FRAGMENT_PROGRAM_ARB) ); +#endif + break; + + case COGL_PIPELINE_PROGRAM_TYPE_FIXED: + /* don't need to to anything */ + break; + } + + /* ... and enable the new type */ + switch (type) + { + case COGL_PIPELINE_PROGRAM_TYPE_ARBFP: +#ifdef HAVE_COGL_GL + GE( ctx, glEnable (GL_FRAGMENT_PROGRAM_ARB) ); +#endif + break; + + case COGL_PIPELINE_PROGRAM_TYPE_GLSL: + case COGL_PIPELINE_PROGRAM_TYPE_FIXED: + /* don't need to to anything */ + break; + } + } + + if (type == COGL_PIPELINE_PROGRAM_TYPE_GLSL) + { +#ifdef COGL_PIPELINE_FRAGEND_GLSL + set_glsl_program (gl_program); + +#else + + g_warning ("Unexpected use of GLSL fragend!"); + +#endif /* COGL_PIPELINE_FRAGEND_GLSL */ + } +#ifndef COGL_PIPELINE_FRAGEND_ARBFP + else if (type == COGL_PIPELINE_PROGRAM_TYPE_ARBFP) + g_warning ("Unexpected use of ARBFP fragend!"); +#endif /* COGL_PIPELINE_FRAGEND_ARBFP */ + + ctx->current_fragment_program_type = type; +} + +void +_cogl_use_vertex_program (GLuint gl_program, CoglPipelineProgramType type) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* If we're changing program type... */ + if (type != ctx->current_vertex_program_type) + { + /* ... disable the old type */ + switch (ctx->current_vertex_program_type) + { + case COGL_PIPELINE_PROGRAM_TYPE_GLSL: + /* If the program contains a fragment shader then we shouldn't + disable it */ + if (ctx->current_fragment_program_type != + COGL_PIPELINE_PROGRAM_TYPE_GLSL) + set_glsl_program (0); + break; + + case COGL_PIPELINE_PROGRAM_TYPE_ARBFP: + /* It doesn't make sense to enable ARBfp for the vertex program */ + g_assert_not_reached (); + break; + + case COGL_PIPELINE_PROGRAM_TYPE_FIXED: + /* don't need to to anything */ + break; + } + + /* ... and enable the new type */ + switch (type) + { + case COGL_PIPELINE_PROGRAM_TYPE_ARBFP: + /* It doesn't make sense to enable ARBfp for the vertex program */ + g_assert_not_reached (); + break; + + case COGL_PIPELINE_PROGRAM_TYPE_GLSL: + case COGL_PIPELINE_PROGRAM_TYPE_FIXED: + /* don't need to to anything */ + break; + } + } + + if (type == COGL_PIPELINE_PROGRAM_TYPE_GLSL) + { +#ifdef COGL_PIPELINE_VERTEND_GLSL + set_glsl_program (gl_program); + +#else + + g_warning ("Unexpected use of GLSL vertend!"); + +#endif /* COGL_PIPELINE_VERTEND_GLSL */ + } +#ifndef COGL_PIPELINE_VERTEND_ARBFP + else if (type == COGL_PIPELINE_PROGRAM_TYPE_ARBFP) + g_warning ("Unexpected use of ARBFP vertend!"); +#endif /* COGL_PIPELINE_VERTEND_ARBFP */ + + ctx->current_vertex_program_type = type; +} + +#if defined(HAVE_COGL_GLES2) || defined(HAVE_COGL_GL) + +static CoglBool +blend_factor_uses_constant (GLenum blend_factor) +{ + return (blend_factor == GL_CONSTANT_COLOR || + blend_factor == GL_ONE_MINUS_CONSTANT_COLOR || + blend_factor == GL_CONSTANT_ALPHA || + blend_factor == GL_ONE_MINUS_CONSTANT_ALPHA); +} + +#endif + +static void +flush_depth_state (CoglContext *ctx, + CoglDepthState *depth_state) +{ + CoglBool depth_writing_enabled = depth_state->write_enabled; + + if (ctx->current_draw_buffer) + depth_writing_enabled &= ctx->current_draw_buffer->depth_writing_enabled; + + if (ctx->depth_test_enabled_cache != depth_state->test_enabled) + { + if (depth_state->test_enabled == TRUE) + GE (ctx, glEnable (GL_DEPTH_TEST)); + else + GE (ctx, glDisable (GL_DEPTH_TEST)); + ctx->depth_test_enabled_cache = depth_state->test_enabled; + } + + if (ctx->depth_test_function_cache != depth_state->test_function && + depth_state->test_enabled == TRUE) + { + GE (ctx, glDepthFunc (depth_state->test_function)); + ctx->depth_test_function_cache = depth_state->test_function; + } + + if (ctx->depth_writing_enabled_cache != depth_writing_enabled) + { + GE (ctx, glDepthMask (depth_writing_enabled ? + GL_TRUE : GL_FALSE)); + ctx->depth_writing_enabled_cache = depth_writing_enabled; + } + + if (ctx->driver != COGL_DRIVER_GLES1 && + (ctx->depth_range_near_cache != depth_state->range_near || + ctx->depth_range_far_cache != depth_state->range_far)) + { + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_EMBEDDED)) + GE (ctx, glDepthRangef (depth_state->range_near, + depth_state->range_far)); + else + GE (ctx, glDepthRange (depth_state->range_near, + depth_state->range_far)); + + ctx->depth_range_near_cache = depth_state->range_near; + ctx->depth_range_far_cache = depth_state->range_far; + } +} + +UNIT_TEST (check_gl_blend_enable, + 0 /* no requirements */, + 0 /* no failure cases */) +{ + CoglPipeline *pipeline = cogl_pipeline_new (test_ctx); + + /* By default blending should be disabled */ + g_assert_cmpint (test_ctx->gl_blend_enable_cache, ==, 0); + + cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 1, 1); + _cogl_framebuffer_flush_journal (test_fb); + + /* After drawing an opaque rectangle blending should still be + * disabled */ + g_assert_cmpint (test_ctx->gl_blend_enable_cache, ==, 0); + + cogl_pipeline_set_color4f (pipeline, 0, 0, 0, 0); + cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 1, 1); + _cogl_framebuffer_flush_journal (test_fb); + + /* After drawing a transparent rectangle blending should be enabled */ + g_assert_cmpint (test_ctx->gl_blend_enable_cache, ==, 1); + + cogl_pipeline_set_blend (pipeline, "RGBA=ADD(SRC_COLOR, 0)", NULL); + cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 1, 1); + _cogl_framebuffer_flush_journal (test_fb); + + /* After setting a blend string that effectively disables blending + * then blending should be disabled */ + g_assert_cmpint (test_ctx->gl_blend_enable_cache, ==, 0); +} + +static void +_cogl_pipeline_flush_color_blend_alpha_depth_state ( + CoglPipeline *pipeline, + unsigned long pipelines_difference, + CoglBool with_color_attrib) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* On GLES2 we'll flush the color later */ + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_FIXED) && + !with_color_attrib) + { + if ((pipelines_difference & COGL_PIPELINE_STATE_COLOR) || + /* Assume if we were previously told to skip the color, then + * the current color needs updating... */ + ctx->current_pipeline_with_color_attrib) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_COLOR); + GE (ctx, glColor4ub (cogl_color_get_red_byte (&authority->color), + cogl_color_get_green_byte (&authority->color), + cogl_color_get_blue_byte (&authority->color), + cogl_color_get_alpha_byte (&authority->color))); + } + } + + if (pipelines_difference & COGL_PIPELINE_STATE_BLEND) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_BLEND); + CoglPipelineBlendState *blend_state = + &authority->big_state->blend_state; + + /* GLES 1 only has glBlendFunc */ + if (ctx->driver == COGL_DRIVER_GLES1) + { + GE (ctx, glBlendFunc (blend_state->blend_src_factor_rgb, + blend_state->blend_dst_factor_rgb)); + } +#if defined(HAVE_COGL_GLES2) || defined(HAVE_COGL_GL) + else + { + if (blend_factor_uses_constant (blend_state->blend_src_factor_rgb) || + blend_factor_uses_constant (blend_state + ->blend_src_factor_alpha) || + blend_factor_uses_constant (blend_state->blend_dst_factor_rgb) || + blend_factor_uses_constant (blend_state->blend_dst_factor_alpha)) + { + float red = + cogl_color_get_red_float (&blend_state->blend_constant); + float green = + cogl_color_get_green_float (&blend_state->blend_constant); + float blue = + cogl_color_get_blue_float (&blend_state->blend_constant); + float alpha = + cogl_color_get_alpha_float (&blend_state->blend_constant); + + + GE (ctx, glBlendColor (red, green, blue, alpha)); + } + + if (ctx->glBlendEquationSeparate && + blend_state->blend_equation_rgb != + blend_state->blend_equation_alpha) + GE (ctx, + glBlendEquationSeparate (blend_state->blend_equation_rgb, + blend_state->blend_equation_alpha)); + else + GE (ctx, glBlendEquation (blend_state->blend_equation_rgb)); + + if (ctx->glBlendFuncSeparate && + (blend_state->blend_src_factor_rgb != + blend_state->blend_src_factor_alpha || + (blend_state->blend_dst_factor_rgb != + blend_state->blend_dst_factor_alpha))) + GE (ctx, glBlendFuncSeparate (blend_state->blend_src_factor_rgb, + blend_state->blend_dst_factor_rgb, + blend_state->blend_src_factor_alpha, + blend_state->blend_dst_factor_alpha)); + else + GE (ctx, glBlendFunc (blend_state->blend_src_factor_rgb, + blend_state->blend_dst_factor_rgb)); + } +#endif + } + +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES) + + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_ALPHA_TEST)) + { + /* Under GLES2 the alpha function is implemented as part of the + fragment shader */ + if (pipelines_difference & (COGL_PIPELINE_STATE_ALPHA_FUNC | + COGL_PIPELINE_STATE_ALPHA_FUNC_REFERENCE)) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, + COGL_PIPELINE_STATE_ALPHA_FUNC); + CoglPipelineAlphaFuncState *alpha_state = + &authority->big_state->alpha_state; + + /* NB: Currently the Cogl defines are compatible with the GL ones: */ + GE (ctx, glAlphaFunc (alpha_state->alpha_func, + alpha_state->alpha_func_reference)); + } + + /* Under GLES2 the lighting parameters are implemented as uniforms + in the progend */ + if (pipelines_difference & COGL_PIPELINE_STATE_LIGHTING) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, + COGL_PIPELINE_STATE_LIGHTING); + CoglPipelineLightingState *lighting_state = + &authority->big_state->lighting_state; + + GE (ctx, glMaterialfv (GL_FRONT_AND_BACK, GL_AMBIENT, + lighting_state->ambient)); + GE (ctx, glMaterialfv (GL_FRONT_AND_BACK, GL_DIFFUSE, + lighting_state->diffuse)); + GE (ctx, glMaterialfv (GL_FRONT_AND_BACK, GL_SPECULAR, + lighting_state->specular)); + GE (ctx, glMaterialfv (GL_FRONT_AND_BACK, GL_EMISSION, + lighting_state->emission)); + GE (ctx, glMaterialfv (GL_FRONT_AND_BACK, GL_SHININESS, + &lighting_state->shininess)); + } + } + +#endif + + if (pipelines_difference & COGL_PIPELINE_STATE_DEPTH) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_DEPTH); + CoglDepthState *depth_state = &authority->big_state->depth_state; + + flush_depth_state (ctx, depth_state); + } + + if (pipelines_difference & COGL_PIPELINE_STATE_LOGIC_OPS) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_LOGIC_OPS); + CoglPipelineLogicOpsState *logic_ops_state = &authority->big_state->logic_ops_state; + CoglColorMask color_mask = logic_ops_state->color_mask; + + if (ctx->current_draw_buffer) + color_mask &= ctx->current_draw_buffer->color_mask; + + GE (ctx, glColorMask (!!(color_mask & COGL_COLOR_MASK_RED), + !!(color_mask & COGL_COLOR_MASK_GREEN), + !!(color_mask & COGL_COLOR_MASK_BLUE), + !!(color_mask & COGL_COLOR_MASK_ALPHA))); + ctx->current_gl_color_mask = color_mask; + } + + if (pipelines_difference & COGL_PIPELINE_STATE_CULL_FACE) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_CULL_FACE); + CoglPipelineCullFaceState *cull_face_state + = &authority->big_state->cull_face_state; + + if (cull_face_state->mode == COGL_PIPELINE_CULL_FACE_MODE_NONE) + GE( ctx, glDisable (GL_CULL_FACE) ); + else + { + CoglBool invert_winding; + + GE( ctx, glEnable (GL_CULL_FACE) ); + + switch (cull_face_state->mode) + { + case COGL_PIPELINE_CULL_FACE_MODE_NONE: + g_assert_not_reached (); + + case COGL_PIPELINE_CULL_FACE_MODE_FRONT: + GE( ctx, glCullFace (GL_FRONT) ); + break; + + case COGL_PIPELINE_CULL_FACE_MODE_BACK: + GE( ctx, glCullFace (GL_BACK) ); + break; + + case COGL_PIPELINE_CULL_FACE_MODE_BOTH: + GE( ctx, glCullFace (GL_FRONT_AND_BACK) ); + break; + } + + /* If we are painting to an offscreen framebuffer then we + need to invert the winding of the front face because + everything is painted upside down */ + invert_winding = cogl_is_offscreen (ctx->current_draw_buffer); + + switch (cull_face_state->front_winding) + { + case COGL_WINDING_CLOCKWISE: + GE( ctx, glFrontFace (invert_winding ? GL_CCW : GL_CW) ); + break; + + case COGL_WINDING_COUNTER_CLOCKWISE: + GE( ctx, glFrontFace (invert_winding ? GL_CW : GL_CCW) ); + break; + } + } + } + +#ifdef HAVE_COGL_GL + if (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_ENABLE_PROGRAM_POINT_SIZE) && + (pipelines_difference & COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE)) + { + unsigned long state = COGL_PIPELINE_STATE_PER_VERTEX_POINT_SIZE; + CoglPipeline *authority = _cogl_pipeline_get_authority (pipeline, state); + + if (authority->big_state->per_vertex_point_size) + GE( ctx, glEnable (GL_PROGRAM_POINT_SIZE) ); + else + GE( ctx, glDisable (GL_PROGRAM_POINT_SIZE) ); + } +#endif + + if (pipeline->real_blend_enable != ctx->gl_blend_enable_cache) + { + if (pipeline->real_blend_enable) + GE (ctx, glEnable (GL_BLEND)); + else + GE (ctx, glDisable (GL_BLEND)); + /* XXX: we shouldn't update any other blend state if blending + * is disabled! */ + ctx->gl_blend_enable_cache = pipeline->real_blend_enable; + } +} + +static int +get_max_activateable_texture_units (void) +{ + _COGL_GET_CONTEXT (ctx, 0); + + if (G_UNLIKELY (ctx->max_activateable_texture_units == -1)) + { + GLint values[3]; + int n_values = 0; + int i; + +#ifdef HAVE_COGL_GL + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_EMBEDDED)) + { + /* GL_MAX_TEXTURE_COORDS is provided for both GLSL and ARBfp. It + defines the number of texture coordinates that can be + uploaded (but doesn't necessarily relate to how many texture + images can be sampled) */ + if (cogl_has_feature (ctx, COGL_FEATURE_ID_GLSL) || + cogl_has_feature (ctx, COGL_FEATURE_ID_ARBFP)) + /* Previously this code subtracted the value by one but there + was no explanation for why it did this and it doesn't seem + to make sense so it has been removed */ + GE (ctx, glGetIntegerv (GL_MAX_TEXTURE_COORDS, + values + n_values++)); + + /* GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS is defined for GLSL but + not ARBfp */ + if (cogl_has_feature (ctx, COGL_FEATURE_ID_GLSL)) + GE (ctx, glGetIntegerv (GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, + values + n_values++)); + } +#endif /* HAVE_COGL_GL */ + +#ifdef HAVE_COGL_GLES2 + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_EMBEDDED) && + _cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_PROGRAMMABLE)) + { + GE (ctx, glGetIntegerv (GL_MAX_VERTEX_ATTRIBS, values + n_values)); + /* Two of the vertex attribs need to be used for the position + and color */ + values[n_values++] -= 2; + + GE (ctx, glGetIntegerv (GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, + values + n_values++)); + } +#endif + +#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES) + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_FIXED)) + { + /* GL_MAX_TEXTURE_UNITS defines the number of units that are + usable from the fixed function pipeline, therefore it isn't + available in GLES2. These are also tied to the number of + texture coordinates that can be uploaded so it should be less + than that available from the shader extensions */ + GE (ctx, glGetIntegerv (GL_MAX_TEXTURE_UNITS, + values + n_values++)); + + } +#endif + + g_assert (n_values <= G_N_ELEMENTS (values) && + n_values > 0); + + /* Use the maximum value */ + ctx->max_activateable_texture_units = values[0]; + for (i = 1; i < n_values; i++) + ctx->max_activateable_texture_units = + MAX (values[i], ctx->max_activateable_texture_units); + } + + return ctx->max_activateable_texture_units; +} + +typedef struct +{ + int i; + unsigned long *layer_differences; +} CoglPipelineFlushLayerState; + +static CoglBool +flush_layers_common_gl_state_cb (CoglPipelineLayer *layer, void *user_data) +{ + CoglPipelineFlushLayerState *flush_state = user_data; + int unit_index = flush_state->i; + CoglTextureUnit *unit = _cogl_get_texture_unit (unit_index); + unsigned long layers_difference = + flush_state->layer_differences[unit_index]; + + _COGL_GET_CONTEXT (ctx, FALSE); + + /* There may not be enough texture units so we can bail out if + * that's the case... + */ + if (G_UNLIKELY (unit_index >= get_max_activateable_texture_units ())) + { + static CoglBool shown_warning = FALSE; + + if (!shown_warning) + { + g_warning ("Your hardware does not have enough texture units" + "to handle this many texture layers"); + shown_warning = TRUE; + } + return FALSE; + } + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA) + { + CoglTexture *texture = _cogl_pipeline_layer_get_texture_real (layer); + GLuint gl_texture; + GLenum gl_target; + + if (texture == NULL) + switch (_cogl_pipeline_layer_get_texture_type (layer)) + { + case COGL_TEXTURE_TYPE_2D: + texture = COGL_TEXTURE (ctx->default_gl_texture_2d_tex); + break; + case COGL_TEXTURE_TYPE_3D: + texture = COGL_TEXTURE (ctx->default_gl_texture_3d_tex); + break; + case COGL_TEXTURE_TYPE_RECTANGLE: + texture = COGL_TEXTURE (ctx->default_gl_texture_rect_tex); + break; + } + + cogl_texture_get_gl_texture (texture, + &gl_texture, + &gl_target); + + _cogl_set_active_texture_unit (unit_index); + + /* NB: There are several Cogl components and some code in + * Clutter that will temporarily bind arbitrary GL textures to + * query and modify texture object parameters. If you look at + * _cogl_bind_gl_texture_transient() you can see we make sure + * that such code always binds to texture unit 1 which means we + * can't rely on the unit->gl_texture state if unit->index == 1. + * + * Because texture unit 1 is a bit special we actually defer any + * necessary glBindTexture for it until the end of + * _cogl_pipeline_flush_gl_state(). + * + * NB: we get notified whenever glDeleteTextures is used (see + * _cogl_delete_gl_texture()) where we invalidate + * unit->gl_texture references to deleted textures so it's safe + * to compare unit->gl_texture with gl_texture. (Without the + * hook it would be possible to delete a GL texture and create a + * new one with the same name and comparing unit->gl_texture and + * gl_texture wouldn't detect that.) + * + * NB: for foreign textures we don't know how the deletion of + * the GL texture objects correspond to the deletion of the + * CoglTextures so if there was previously a foreign texture + * associated with the texture unit then we can't assume that we + * aren't seeing a recycled texture name so we have to bind. + */ + if (unit->gl_texture != gl_texture || unit->is_foreign) + { + if (unit_index == 1) + unit->dirty_gl_texture = TRUE; + else + GE (ctx, glBindTexture (gl_target, gl_texture)); + unit->gl_texture = gl_texture; + unit->gl_target = gl_target; + } + + unit->is_foreign = _cogl_texture_is_foreign (texture); + + /* The texture_storage_changed boolean indicates if the + * CoglTexture's underlying GL texture storage has changed since + * it was flushed to the texture unit. We've just flushed the + * latest state so we can reset this. */ + unit->texture_storage_changed = FALSE; + } + + if ((layers_difference & COGL_PIPELINE_LAYER_STATE_SAMPLER) && + _cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_SAMPLER_OBJECTS)) + { + const CoglSamplerCacheEntry *sampler_state; + + sampler_state = _cogl_pipeline_layer_get_sampler_state (layer); + + GE( ctx, glBindSampler (unit_index, sampler_state->sampler_object) ); + } + + /* FIXME: If using GLSL the progend we will use gl_PointCoord + * instead of us needing to replace the texture coordinates but at + * this point we can't currently tell if we are using the fixed or + * glsl progend. + */ +#if defined (HAVE_COGL_GLES) || defined (HAVE_COGL_GL) + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_FIXED) && + (layers_difference & COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS)) + { + CoglPipelineState change = COGL_PIPELINE_LAYER_STATE_POINT_SPRITE_COORDS; + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, change); + CoglPipelineLayerBigState *big_state = authority->big_state; + + _cogl_set_active_texture_unit (unit_index); + + GE (ctx, glTexEnvi (GL_POINT_SPRITE, GL_COORD_REPLACE, + big_state->point_sprite_coords)); + } +#endif + + cogl_object_ref (layer); + if (unit->layer != NULL) + cogl_object_unref (unit->layer); + + unit->layer = layer; + unit->layer_changes_since_flush = 0; + + flush_state->i++; + + return TRUE; +} + +static void +_cogl_pipeline_flush_common_gl_state (CoglPipeline *pipeline, + unsigned long pipelines_difference, + unsigned long *layer_differences, + CoglBool with_color_attrib) +{ + CoglPipelineFlushLayerState state; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + _cogl_pipeline_flush_color_blend_alpha_depth_state (pipeline, + pipelines_difference, + with_color_attrib); + + state.i = 0; + state.layer_differences = layer_differences; + _cogl_pipeline_foreach_layer_internal (pipeline, + flush_layers_common_gl_state_cb, + &state); +} + +/* Re-assert the layer's wrap modes on the given CoglTexture. + * + * Note: we don't simply forward the wrap modes to layer->texture + * since the actual texture being used may have been overridden. + */ +static void +_cogl_pipeline_layer_forward_wrap_modes (CoglPipelineLayer *layer, + CoglTexture *texture) +{ + CoglSamplerCacheWrapMode wrap_mode_s, wrap_mode_t, wrap_mode_p; + GLenum gl_wrap_mode_s, gl_wrap_mode_t, gl_wrap_mode_p; + + if (texture == NULL) + return; + + _cogl_pipeline_layer_get_wrap_modes (layer, + &wrap_mode_s, + &wrap_mode_t, + &wrap_mode_p); + + /* Update the wrap mode on the texture object. The texture backend + should cache the value so that it will be a no-op if the object + already has the same wrap mode set. The backend is best placed to + do this because it knows how many of the coordinates will + actually be used (ie, a 1D texture only cares about the 's' + coordinate but a 3D texture would use all three). GL uses the + wrap mode as part of the texture object state but we are + pretending it's part of the per-layer environment state. This + will break if the application tries to use different modes in + different layers using the same texture. */ + + if (wrap_mode_s == COGL_SAMPLER_CACHE_WRAP_MODE_AUTOMATIC) + gl_wrap_mode_s = GL_CLAMP_TO_EDGE; + else + gl_wrap_mode_s = wrap_mode_s; + + if (wrap_mode_t == COGL_SAMPLER_CACHE_WRAP_MODE_AUTOMATIC) + gl_wrap_mode_t = GL_CLAMP_TO_EDGE; + else + gl_wrap_mode_t = wrap_mode_t; + + if (wrap_mode_p == COGL_SAMPLER_CACHE_WRAP_MODE_AUTOMATIC) + gl_wrap_mode_p = GL_CLAMP_TO_EDGE; + else + gl_wrap_mode_p = wrap_mode_p; + + _cogl_texture_gl_flush_legacy_texobj_wrap_modes (texture, + gl_wrap_mode_s, + gl_wrap_mode_t, + gl_wrap_mode_p); +} + +/* OpenGL associates the min/mag filters and repeat modes with the + * texture object not the texture unit so we always have to re-assert + * the filter and repeat modes whenever we use a texture since it may + * be referenced by multiple pipelines with different modes. + * + * This function is bypassed in favour of sampler objects if + * GL_ARB_sampler_objects is advertised. This fallback won't work if + * the same texture is bound to multiple layers with different sampler + * state. + */ +static void +foreach_texture_unit_update_filter_and_wrap_modes (void) +{ + int i; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + for (i = 0; i < ctx->texture_units->len; i++) + { + CoglTextureUnit *unit = + &g_array_index (ctx->texture_units, CoglTextureUnit, i); + + if (unit->layer) + { + CoglTexture *texture = _cogl_pipeline_layer_get_texture (unit->layer); + + if (texture != NULL) + { + CoglPipelineFilter min; + CoglPipelineFilter mag; + + _cogl_pipeline_layer_get_filters (unit->layer, &min, &mag); + _cogl_texture_gl_flush_legacy_texobj_filters (texture, min, mag); + + _cogl_pipeline_layer_forward_wrap_modes (unit->layer, texture); + } + } + } +} + +typedef struct +{ + int i; + unsigned long *layer_differences; +} CoglPipelineCompareLayersState; + +static CoglBool +compare_layer_differences_cb (CoglPipelineLayer *layer, void *user_data) +{ + CoglPipelineCompareLayersState *state = user_data; + CoglTextureUnit *unit = _cogl_get_texture_unit (state->i); + + if (unit->layer == layer) + state->layer_differences[state->i] = unit->layer_changes_since_flush; + else if (unit->layer) + { + state->layer_differences[state->i] = unit->layer_changes_since_flush; + state->layer_differences[state->i] |= + _cogl_pipeline_layer_compare_differences (layer, unit->layer); + } + else + state->layer_differences[state->i] = COGL_PIPELINE_LAYER_STATE_ALL_SPARSE; + + /* XXX: There is always a possibility that a CoglTexture's + * underlying GL texture storage has been changed since it was last + * bound to a texture unit which is why we have a callback into + * _cogl_pipeline_texture_storage_change_notify whenever a textures + * underlying GL texture storage changes which will set the + * unit->texture_intern_changed flag. If we see that's been set here + * then we force an update of the texture state... + */ + if (unit->texture_storage_changed) + state->layer_differences[state->i] |= + COGL_PIPELINE_LAYER_STATE_TEXTURE_DATA; + + state->i++; + + return TRUE; +} + +typedef struct +{ + CoglFramebuffer *framebuffer; + const CoglPipelineVertend *vertend; + const CoglPipelineFragend *fragend; + CoglPipeline *pipeline; + unsigned long *layer_differences; + CoglBool error_adding_layer; + CoglBool added_layer; +} CoglPipelineAddLayerState; + +static CoglBool +vertend_add_layer_cb (CoglPipelineLayer *layer, + void *user_data) +{ + CoglPipelineAddLayerState *state = user_data; + const CoglPipelineVertend *vertend = state->vertend; + CoglPipeline *pipeline = state->pipeline; + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + + /* Either generate per layer code snippets or setup the + * fixed function glTexEnv for each layer... */ + if (G_LIKELY (vertend->add_layer (pipeline, + layer, + state->layer_differences[unit_index], + state->framebuffer))) + state->added_layer = TRUE; + else + { + state->error_adding_layer = TRUE; + return FALSE; + } + + return TRUE; +} + +static CoglBool +fragend_add_layer_cb (CoglPipelineLayer *layer, + void *user_data) +{ + CoglPipelineAddLayerState *state = user_data; + const CoglPipelineFragend *fragend = state->fragend; + CoglPipeline *pipeline = state->pipeline; + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + + /* Either generate per layer code snippets or setup the + * fixed function glTexEnv for each layer... */ + if (G_LIKELY (fragend->add_layer (pipeline, + layer, + state->layer_differences[unit_index]))) + state->added_layer = TRUE; + else + { + state->error_adding_layer = TRUE; + return FALSE; + } + + return TRUE; +} + +/* + * _cogl_pipeline_flush_gl_state: + * + * Details of override options: + * ->fallback_mask: is a bitmask of the pipeline layers that need to be + * replaced with the default, fallback textures. The fallback textures are + * fully transparent textures so they hopefully wont contribute to the + * texture combining. + * + * The intention of fallbacks is to try and preserve + * the number of layers the user is expecting so that texture coordinates + * they gave will mostly still correspond to the textures they intended, and + * have a fighting chance of looking close to their originally intended + * result. + * + * ->disable_mask: is a bitmask of the pipeline layers that will simply have + * texturing disabled. It's only really intended for disabling all layers + * > X; i.e. we'd expect to see a contiguous run of 0 starting from the LSB + * and at some point the remaining bits flip to 1. It might work to disable + * arbitrary layers; though I'm not sure a.t.m how OpenGL would take to + * that. + * + * The intention of the disable_mask is for emitting geometry when the user + * hasn't supplied enough texture coordinates for all the layers and it's + * not possible to auto generate default texture coordinates for those + * layers. + * + * ->layer0_override_texture: forcibly tells us to bind this GL texture name for + * layer 0 instead of plucking the gl_texture from the CoglTexture of layer + * 0. + * + * The intention of this is for any primitives that supports sliced textures. + * The code will can iterate each of the slices and re-flush the pipeline + * forcing the GL texture of each slice in turn. + * + * ->wrap_mode_overrides: overrides the wrap modes set on each + * layer. This is used to implement the automatic wrap mode. + * + * XXX: It might also help if we could specify a texture matrix for code + * dealing with slicing that would be multiplied with the users own matrix. + * + * Normaly texture coords in the range [0, 1] refer to the extents of the + * texture, but when your GL texture represents a slice of the real texture + * (from the users POV) then a texture matrix would be a neat way of + * transforming the mapping for each slice. + * + * Currently for textured rectangles we manually calculate the texture + * coords for each slice based on the users given coords, but this solution + * isn't ideal, and can't be used with CoglVertexBuffers. + */ +void +_cogl_pipeline_flush_gl_state (CoglContext *ctx, + CoglPipeline *pipeline, + CoglFramebuffer *framebuffer, + CoglBool with_color_attrib, + CoglBool unknown_color_alpha) +{ + CoglPipeline *current_pipeline = ctx->current_pipeline; + unsigned long pipelines_difference; + int n_layers; + unsigned long *layer_differences; + int i; + CoglTextureUnit *unit1; + const CoglPipelineProgend *progend; + + COGL_STATIC_TIMER (pipeline_flush_timer, + "Mainloop", /* parent */ + "Material Flush", + "The time spent flushing material state", + 0 /* no application private data */); + + COGL_TIMER_START (_cogl_uprof_context, pipeline_flush_timer); + + /* Bail out asap if we've been asked to re-flush the already current + * pipeline and we can see the pipeline hasn't changed */ + if (current_pipeline == pipeline && + ctx->current_pipeline_age == pipeline->age && + ctx->current_pipeline_with_color_attrib == with_color_attrib && + ctx->current_pipeline_unknown_color_alpha == unknown_color_alpha) + goto done; + else + { + /* Update derived state (currently just the 'real_blend_enable' + * state) and determine a mask of state that differs between the + * current pipeline and the one we are flushing. + * + * Note updating the derived state is done before doing any + * pipeline comparisons so that we can correctly compare the + * 'real_blend_enable' state itself. + */ + + if (current_pipeline == pipeline) + { + pipelines_difference = ctx->current_pipeline_changes_since_flush; + + if (pipelines_difference & COGL_PIPELINE_STATE_AFFECTS_BLENDING || + pipeline->unknown_color_alpha != unknown_color_alpha) + { + CoglBool save_real_blend_enable = pipeline->real_blend_enable; + + _cogl_pipeline_update_real_blend_enable (pipeline, + unknown_color_alpha); + + if (save_real_blend_enable != pipeline->real_blend_enable) + pipelines_difference |= COGL_PIPELINE_STATE_REAL_BLEND_ENABLE; + } + } + else if (current_pipeline) + { + pipelines_difference = ctx->current_pipeline_changes_since_flush; + + _cogl_pipeline_update_real_blend_enable (pipeline, + unknown_color_alpha); + + pipelines_difference |= + _cogl_pipeline_compare_differences (ctx->current_pipeline, + pipeline); + } + else + { + _cogl_pipeline_update_real_blend_enable (pipeline, + unknown_color_alpha); + + pipelines_difference = COGL_PIPELINE_STATE_ALL; + } + } + + /* Get a layer_differences mask for each layer to be flushed */ + n_layers = cogl_pipeline_get_n_layers (pipeline); + if (n_layers) + { + CoglPipelineCompareLayersState state; + layer_differences = g_alloca (sizeof (unsigned long) * n_layers); + memset (layer_differences, 0, sizeof (unsigned long) * n_layers); + state.i = 0; + state.layer_differences = layer_differences; + _cogl_pipeline_foreach_layer_internal (pipeline, + compare_layer_differences_cb, + &state); + } + else + layer_differences = NULL; + + /* First flush everything that's the same regardless of which + * pipeline backend is being used... + * + * 1) top level state: + * glColor (or skip if a vertex attribute is being used for color) + * blend state + * alpha test state (except for GLES 2.0) + * + * 2) then foreach layer: + * determine gl_target/gl_texture + * bind texture + * + * Note: After _cogl_pipeline_flush_common_gl_state you can expect + * all state of the layers corresponding texture unit to be + * updated. + */ + _cogl_pipeline_flush_common_gl_state (pipeline, + pipelines_difference, + layer_differences, + with_color_attrib); + + /* Now flush the fragment, vertex and program state according to the + * current progend backend. + * + * Note: Some backends may not support the current pipeline + * configuration and in that case it will report and error and we + * will look for a different backend. + * + * NB: if pipeline->progend != COGL_PIPELINE_PROGEND_UNDEFINED then + * we have previously managed to successfully flush this pipeline + * with the given progend so we will simply use that to avoid + * fallback code paths. + */ + if (pipeline->progend == COGL_PIPELINE_PROGEND_UNDEFINED) + _cogl_pipeline_set_progend (pipeline, COGL_PIPELINE_PROGEND_DEFAULT); + + for (i = pipeline->progend; + i < COGL_PIPELINE_N_PROGENDS; + i++, _cogl_pipeline_set_progend (pipeline, i)) + { + const CoglPipelineVertend *vertend; + const CoglPipelineFragend *fragend; + CoglPipelineAddLayerState state; + + progend = _cogl_pipeline_progends[i]; + + if (G_UNLIKELY (!progend->start (pipeline))) + continue; + + vertend = _cogl_pipeline_vertends[progend->vertend]; + + vertend->start (pipeline, + n_layers, + pipelines_difference); + + state.framebuffer = framebuffer; + state.vertend = vertend; + state.pipeline = pipeline; + state.layer_differences = layer_differences; + state.error_adding_layer = FALSE; + state.added_layer = FALSE; + + _cogl_pipeline_foreach_layer_internal (pipeline, + vertend_add_layer_cb, + &state); + + if (G_UNLIKELY (state.error_adding_layer)) + continue; + + if (G_UNLIKELY (!vertend->end (pipeline, pipelines_difference))) + continue; + + /* Now prepare the fragment processing state (fragend) + * + * NB: We can't combine the setup of the vertend and fragend + * since the backends that do code generation share + * ctx->codegen_source_buffer as a scratch buffer. + */ + + fragend = _cogl_pipeline_fragends[progend->fragend]; + state.fragend = fragend; + + fragend->start (pipeline, + n_layers, + pipelines_difference); + + _cogl_pipeline_foreach_layer_internal (pipeline, + fragend_add_layer_cb, + &state); + + if (G_UNLIKELY (state.error_adding_layer)) + continue; + + if (!state.added_layer) + { + if (fragend->passthrough && + G_UNLIKELY (!fragend->passthrough (pipeline))) + continue; + } + + if (G_UNLIKELY (!fragend->end (pipeline, pipelines_difference))) + continue; + + if (progend->end) + progend->end (pipeline, pipelines_difference); + break; + } + + /* FIXME: This reference is actually resulting in lots of + * copy-on-write reparenting because one-shot pipelines end up + * living for longer than necessary and so any later modification of + * the parent will cause a copy-on-write. + * + * XXX: The issue should largely go away when we switch to using + * weak pipelines for overrides. + */ + cogl_object_ref (pipeline); + if (ctx->current_pipeline != NULL) + cogl_object_unref (ctx->current_pipeline); + ctx->current_pipeline = pipeline; + ctx->current_pipeline_changes_since_flush = 0; + ctx->current_pipeline_with_color_attrib = with_color_attrib; + ctx->current_pipeline_unknown_color_alpha = unknown_color_alpha; + ctx->current_pipeline_age = pipeline->age; + +done: + + progend = _cogl_pipeline_progends[pipeline->progend]; + + /* We can't assume the color will be retained between flushes when + * using the glsl progend because the generic attribute values are + * not stored as part of the program object so they could be + * overridden by any attribute changes in another program */ + if (pipeline->progend == COGL_PIPELINE_PROGEND_GLSL && !with_color_attrib) + { + int attribute; + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_COLOR); + int name_index = COGL_ATTRIBUTE_COLOR_NAME_INDEX; + + attribute = + _cogl_pipeline_progend_glsl_get_attrib_location (pipeline, name_index); + if (attribute != -1) + GE (ctx, + glVertexAttrib4f (attribute, + cogl_color_get_red_float (&authority->color), + cogl_color_get_green_float (&authority->color), + cogl_color_get_blue_float (&authority->color), + cogl_color_get_alpha_float (&authority->color))); + } + + /* Give the progend a chance to update any uniforms that might not + * depend on the material state. This is used on GLES2 to update the + * matrices */ + if (progend->pre_paint) + progend->pre_paint (pipeline, framebuffer); + + /* Handle the fact that OpenGL associates texture filter and wrap + * modes with the texture objects not the texture units... */ + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_SAMPLER_OBJECTS)) + foreach_texture_unit_update_filter_and_wrap_modes (); + + /* If this pipeline has more than one layer then we always need + * to make sure we rebind the texture for unit 1. + * + * NB: various components of Cogl may temporarily bind arbitrary + * textures to texture unit 1 so they can query and modify texture + * object parameters. cogl-pipeline.c (See + * _cogl_bind_gl_texture_transient) + */ + unit1 = _cogl_get_texture_unit (1); + if (cogl_pipeline_get_n_layers (pipeline) > 1 && unit1->dirty_gl_texture) + { + _cogl_set_active_texture_unit (1); + GE (ctx, glBindTexture (unit1->gl_target, unit1->gl_texture)); + unit1->dirty_gl_texture = FALSE; + } + + COGL_TIMER_STOP (_cogl_uprof_context, pipeline_flush_timer); +} + diff --git a/cogl/driver/gl/cogl-pipeline-progend-fixed-private.h b/cogl/driver/gl/cogl-pipeline-progend-fixed-private.h new file mode 100644 index 0000000..f97e16a --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-progend-fixed-private.h @@ -0,0 +1,42 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_PIPELINE_PROGEND_FIXED_PRIVATE_H +#define __COGL_PIPELINE_PROGEND_FIXED_PRIVATE_H + +#include "cogl-pipeline-private.h" + +extern const CoglPipelineProgend _cogl_pipeline_fixed_progend; + +#endif /* __COGL_PIPELINE_PROGEND_FIXED_PRIVATE_H */ + diff --git a/cogl/driver/gl/cogl-pipeline-progend-fixed.c b/cogl/driver/gl/cogl-pipeline-progend-fixed.c new file mode 100644 index 0000000..99f71bf --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-progend-fixed.c @@ -0,0 +1,112 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-state-private.h" + +#ifdef COGL_PIPELINE_PROGEND_FIXED + +#include "cogl-context.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer-private.h" + +static CoglBool +_cogl_pipeline_progend_fixed_start (CoglPipeline *pipeline) +{ + _COGL_GET_CONTEXT (ctx, FALSE); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_FIXED))) + return FALSE; + + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_FIXED)) + return FALSE; + + /* Vertex snippets are only supported in the GLSL fragend */ + if (_cogl_pipeline_has_vertex_snippets (pipeline)) + return FALSE; + + /* Fragment snippets are only supported in the GLSL fragend */ + if (_cogl_pipeline_has_fragment_snippets (pipeline)) + return FALSE; + + /* If there is a user program then the appropriate backend for that + * language should handle it. */ + if (cogl_pipeline_get_user_program (pipeline)) + return FALSE; + + /* The fixed progend can't handle the per-vertex point size + * attribute */ + if (cogl_pipeline_get_per_vertex_point_size (pipeline)) + return FALSE; + + return TRUE; +} + +static void +_cogl_pipeline_progend_fixed_pre_paint (CoglPipeline *pipeline, + CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + + if (ctx->current_projection_entry) + _cogl_matrix_entry_flush_to_gl_builtins (ctx, + ctx->current_projection_entry, + COGL_MATRIX_PROJECTION, + framebuffer, + FALSE /* enable flip */); + if (ctx->current_modelview_entry) + _cogl_matrix_entry_flush_to_gl_builtins (ctx, + ctx->current_modelview_entry, + COGL_MATRIX_MODELVIEW, + framebuffer, + FALSE /* enable flip */); +} + +const CoglPipelineProgend _cogl_pipeline_fixed_progend = + { + COGL_PIPELINE_VERTEND_FIXED, + COGL_PIPELINE_FRAGEND_FIXED, + _cogl_pipeline_progend_fixed_start, + NULL, /* end */ + NULL, /* pre_change_notify */ + NULL, /* layer_pre_change_notify */ + _cogl_pipeline_progend_fixed_pre_paint + }; + +#endif /* COGL_PIPELINE_PROGEND_FIXED */ diff --git a/cogl/driver/gl/cogl-pipeline-progend-glsl-private.h b/cogl/driver/gl/cogl-pipeline-progend-glsl-private.h new file mode 100644 index 0000000..d57519b --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-progend-glsl-private.h @@ -0,0 +1,47 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_PIPELINE_PROGEND_GLSL_PRIVATE_H +#define __COGL_PIPELINE_PROGEND_GLSL_PRIVATE_H + +#include "cogl-pipeline-private.h" +#include "cogl-attribute-private.h" + +extern const CoglPipelineProgend _cogl_pipeline_glsl_progend; + +int +_cogl_pipeline_progend_glsl_get_attrib_location (CoglPipeline *pipeline, + int name_index); + +#endif /* __COGL_PIPELINE_PROGEND_GLSL_PRIVATE_H */ + diff --git a/cogl/driver/gl/cogl-pipeline-progend-glsl.c b/cogl/driver/gl/cogl-pipeline-progend-glsl.c new file mode 100644 index 0000000..8884ce6 --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-progend-glsl.c @@ -0,0 +1,1074 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-util.h" +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-offscreen.h" + +#ifdef COGL_PIPELINE_PROGEND_GLSL + +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-program-private.h" +#include "cogl-pipeline-fragend-glsl-private.h" +#include "cogl-pipeline-vertend-glsl-private.h" +#include "cogl-pipeline-cache.h" +#include "cogl-pipeline-state-private.h" +#include "cogl-attribute-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-pipeline-progend-glsl-private.h" + +/* These are used to generalise updating some uniforms that are + required when building for drivers missing some fixed function + state that we use */ + +typedef void (* UpdateUniformFunc) (CoglPipeline *pipeline, + int uniform_location, + void *getter_func); + +static void update_float_uniform (CoglPipeline *pipeline, + int uniform_location, + void *getter_func); + +typedef struct +{ + const char *uniform_name; + void *getter_func; + UpdateUniformFunc update_func; + CoglPipelineState change; + + /* This builtin is only necessary if the following private feature + * is not implemented in the driver */ + CoglPrivateFeature feature_replacement; +} BuiltinUniformData; + +static BuiltinUniformData builtin_uniforms[] = + { + { "cogl_point_size_in", + cogl_pipeline_get_point_size, update_float_uniform, + COGL_PIPELINE_STATE_POINT_SIZE, + COGL_PRIVATE_FEATURE_BUILTIN_POINT_SIZE_UNIFORM }, + { "_cogl_alpha_test_ref", + cogl_pipeline_get_alpha_test_reference, update_float_uniform, + COGL_PIPELINE_STATE_ALPHA_FUNC_REFERENCE, + COGL_PRIVATE_FEATURE_ALPHA_TEST } + }; + +const CoglPipelineProgend _cogl_pipeline_glsl_progend; + +typedef struct _UnitState +{ + unsigned int dirty_combine_constant:1; + unsigned int dirty_texture_matrix:1; + + GLint combine_constant_uniform; + + GLint texture_matrix_uniform; +} UnitState; + +typedef struct +{ + unsigned int ref_count; + + /* Age that the user program had last time we generated a GL + program. If it's different then we need to relink the program */ + unsigned int user_program_age; + + GLuint program; + + unsigned long dirty_builtin_uniforms; + GLint builtin_uniform_locations[G_N_ELEMENTS (builtin_uniforms)]; + + GLint modelview_uniform; + GLint projection_uniform; + GLint mvp_uniform; + + CoglMatrixEntryCache projection_cache; + CoglMatrixEntryCache modelview_cache; + + /* We need to track the last pipeline that the program was used with + * so know if we need to update all of the uniforms */ + CoglPipeline *last_used_for_pipeline; + + /* Array of GL uniform locations indexed by Cogl's uniform + location. We are careful only to allocated this array if a custom + uniform is actually set */ + GArray *uniform_locations; + + /* Array of attribute locations. */ + GArray *attribute_locations; + + /* The 'flip' uniform is used to flip the geometry upside-down when + the framebuffer requires it only when there are vertex + snippets. Otherwise this is acheived using the projection + matrix */ + GLint flip_uniform; + int flushed_flip_state; + + UnitState *unit_state; + + CoglPipelineCacheEntry *cache_entry; +} CoglPipelineProgramState; + +static CoglUserDataKey program_state_key; + +static CoglPipelineProgramState * +get_program_state (CoglPipeline *pipeline) +{ + return cogl_object_get_user_data (COGL_OBJECT (pipeline), &program_state_key); +} + +#define UNIFORM_LOCATION_UNKNOWN -2 + +#define ATTRIBUTE_LOCATION_UNKNOWN -2 + +/* Under GLES2 the vertex attribute API needs to query the attribute + numbers because it can't used the fixed function API to set the + builtin attributes. We cache the attributes here because the + progend knows when the program is changed so it can clear the + cache. This should always be called after the pipeline is flushed + so they can assert that the gl program is valid */ + +/* All attributes names get internally mapped to a global set of + * sequential indices when they are setup which we need to need to + * then be able to map to a GL attribute location once we have + * a linked GLSL program */ + +int +_cogl_pipeline_progend_glsl_get_attrib_location (CoglPipeline *pipeline, + int name_index) +{ + CoglPipelineProgramState *program_state = get_program_state (pipeline); + int *locations; + + _COGL_GET_CONTEXT (ctx, -1); + + _COGL_RETURN_VAL_IF_FAIL (program_state != NULL, -1); + _COGL_RETURN_VAL_IF_FAIL (program_state->program != 0, -1); + + if (G_UNLIKELY (program_state->attribute_locations == NULL)) + program_state->attribute_locations = + g_array_new (FALSE, FALSE, sizeof (int)); + + if (G_UNLIKELY (program_state->attribute_locations->len <= name_index)) + { + int i = program_state->attribute_locations->len; + g_array_set_size (program_state->attribute_locations, name_index + 1); + for (; i < program_state->attribute_locations->len; i++) + g_array_index (program_state->attribute_locations, int, i) + = ATTRIBUTE_LOCATION_UNKNOWN; + } + + locations = &g_array_index (program_state->attribute_locations, int, 0); + + if (locations[name_index] == ATTRIBUTE_LOCATION_UNKNOWN) + { + CoglAttributeNameState *name_state = + g_array_index (ctx->attribute_name_index_map, + CoglAttributeNameState *, name_index); + + _COGL_RETURN_VAL_IF_FAIL (name_state != NULL, 0); + + GE_RET( locations[name_index], + ctx, glGetAttribLocation (program_state->program, + name_state->name) ); + } + + return locations[name_index]; +} + +static void +clear_attribute_cache (CoglPipelineProgramState *program_state) +{ + if (program_state->attribute_locations) + { + g_array_free (program_state->attribute_locations, TRUE); + program_state->attribute_locations = NULL; + } +} + +static void +clear_flushed_matrix_stacks (CoglPipelineProgramState *program_state) +{ + _cogl_matrix_entry_cache_destroy (&program_state->projection_cache); + _cogl_matrix_entry_cache_init (&program_state->projection_cache); + _cogl_matrix_entry_cache_destroy (&program_state->modelview_cache); + _cogl_matrix_entry_cache_init (&program_state->modelview_cache); +} + +static CoglPipelineProgramState * +program_state_new (int n_layers, + CoglPipelineCacheEntry *cache_entry) +{ + CoglPipelineProgramState *program_state; + + program_state = g_slice_new (CoglPipelineProgramState); + program_state->ref_count = 1; + program_state->program = 0; + program_state->unit_state = g_new (UnitState, n_layers); + program_state->uniform_locations = NULL; + program_state->attribute_locations = NULL; + program_state->cache_entry = cache_entry; + _cogl_matrix_entry_cache_init (&program_state->modelview_cache); + _cogl_matrix_entry_cache_init (&program_state->projection_cache); + + return program_state; +} + +static void +destroy_program_state (void *user_data, + void *instance) +{ + CoglPipelineProgramState *program_state = user_data; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* If the program state was last used for this pipeline then clear + it so that if same address gets used again for a new pipeline + then we won't think it's the same pipeline and avoid updating the + uniforms */ + if (program_state->last_used_for_pipeline == instance) + program_state->last_used_for_pipeline = NULL; + + if (program_state->cache_entry && + program_state->cache_entry->pipeline != instance) + program_state->cache_entry->usage_count--; + + if (--program_state->ref_count == 0) + { + clear_attribute_cache (program_state); + + _cogl_matrix_entry_cache_destroy (&program_state->projection_cache); + _cogl_matrix_entry_cache_destroy (&program_state->modelview_cache); + + if (program_state->program) + GE( ctx, glDeleteProgram (program_state->program) ); + + g_free (program_state->unit_state); + + if (program_state->uniform_locations) + g_array_free (program_state->uniform_locations, TRUE); + + g_slice_free (CoglPipelineProgramState, program_state); + } +} + +static void +set_program_state (CoglPipeline *pipeline, + CoglPipelineProgramState *program_state) +{ + if (program_state) + { + program_state->ref_count++; + + /* If we're not setting the state on the template pipeline then + * mark it as a usage of the pipeline cache entry */ + if (program_state->cache_entry && + program_state->cache_entry->pipeline != pipeline) + program_state->cache_entry->usage_count++; + } + + _cogl_object_set_user_data (COGL_OBJECT (pipeline), + &program_state_key, + program_state, + destroy_program_state); +} + +static void +dirty_program_state (CoglPipeline *pipeline) +{ + cogl_object_set_user_data (COGL_OBJECT (pipeline), + &program_state_key, + NULL, + NULL); +} + +static void +link_program (GLint gl_program) +{ + GLint link_status; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + GE( ctx, glLinkProgram (gl_program) ); + + GE( ctx, glGetProgramiv (gl_program, GL_LINK_STATUS, &link_status) ); + + if (!link_status) + { + GLint log_length; + GLsizei out_log_length; + char *log; + + GE( ctx, glGetProgramiv (gl_program, GL_INFO_LOG_LENGTH, &log_length) ); + + log = g_malloc (log_length); + + GE( ctx, glGetProgramInfoLog (gl_program, log_length, + &out_log_length, log) ); + + g_warning ("Failed to link GLSL program:\n%.*s\n", + log_length, log); + + g_free (log); + } +} + +typedef struct +{ + int unit; + GLuint gl_program; + CoglBool update_all; + CoglPipelineProgramState *program_state; +} UpdateUniformsState; + +static CoglBool +get_uniform_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + UpdateUniformsState *state = user_data; + CoglPipelineProgramState *program_state = state->program_state; + UnitState *unit_state = &program_state->unit_state[state->unit]; + GLint uniform_location; + + _COGL_GET_CONTEXT (ctx, FALSE); + + /* We can reuse the source buffer to create the uniform name because + the program has now been linked */ + g_string_set_size (ctx->codegen_source_buffer, 0); + g_string_append_printf (ctx->codegen_source_buffer, + "cogl_sampler%i", layer_index); + + GE_RET( uniform_location, + ctx, glGetUniformLocation (state->gl_program, + ctx->codegen_source_buffer->str) ); + + /* We can set the uniform immediately because the samplers are the + unit index not the texture object number so it will never + change. Unfortunately GL won't let us use a constant instead of a + uniform */ + if (uniform_location != -1) + GE( ctx, glUniform1i (uniform_location, state->unit) ); + + g_string_set_size (ctx->codegen_source_buffer, 0); + g_string_append_printf (ctx->codegen_source_buffer, + "_cogl_layer_constant_%i", layer_index); + + GE_RET( uniform_location, + ctx, glGetUniformLocation (state->gl_program, + ctx->codegen_source_buffer->str) ); + + unit_state->combine_constant_uniform = uniform_location; + + g_string_set_size (ctx->codegen_source_buffer, 0); + g_string_append_printf (ctx->codegen_source_buffer, + "cogl_texture_matrix[%i]", layer_index); + + GE_RET( uniform_location, + ctx, glGetUniformLocation (state->gl_program, + ctx->codegen_source_buffer->str) ); + + unit_state->texture_matrix_uniform = uniform_location; + + state->unit++; + + return TRUE; +} + +static CoglBool +update_constants_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + UpdateUniformsState *state = user_data; + CoglPipelineProgramState *program_state = state->program_state; + UnitState *unit_state = &program_state->unit_state[state->unit++]; + + _COGL_GET_CONTEXT (ctx, FALSE); + + if (unit_state->combine_constant_uniform != -1 && + (state->update_all || unit_state->dirty_combine_constant)) + { + float constant[4]; + _cogl_pipeline_get_layer_combine_constant (pipeline, + layer_index, + constant); + GE (ctx, glUniform4fv (unit_state->combine_constant_uniform, + 1, constant)); + unit_state->dirty_combine_constant = FALSE; + } + + if (unit_state->texture_matrix_uniform != -1 && + (state->update_all || unit_state->dirty_texture_matrix)) + { + const CoglMatrix *matrix; + const float *array; + + matrix = _cogl_pipeline_get_layer_matrix (pipeline, layer_index); + array = cogl_matrix_get_array (matrix); + GE (ctx, glUniformMatrix4fv (unit_state->texture_matrix_uniform, + 1, FALSE, array)); + unit_state->dirty_texture_matrix = FALSE; + } + + return TRUE; +} + +static void +update_builtin_uniforms (CoglContext *context, + CoglPipeline *pipeline, + GLuint gl_program, + CoglPipelineProgramState *program_state) +{ + int i; + + if (program_state->dirty_builtin_uniforms == 0) + return; + + for (i = 0; i < G_N_ELEMENTS (builtin_uniforms); i++) + if (!_cogl_has_private_feature (context, + builtin_uniforms[i].feature_replacement) && + (program_state->dirty_builtin_uniforms & (1 << i)) && + program_state->builtin_uniform_locations[i] != -1) + builtin_uniforms[i].update_func (pipeline, + program_state + ->builtin_uniform_locations[i], + builtin_uniforms[i].getter_func); + + program_state->dirty_builtin_uniforms = 0; +} + +typedef struct +{ + CoglPipelineProgramState *program_state; + unsigned long *uniform_differences; + int n_differences; + CoglContext *ctx; + const CoglBoxedValue *values; + int value_index; +} FlushUniformsClosure; + +static CoglBool +flush_uniform_cb (int uniform_num, void *user_data) +{ + FlushUniformsClosure *data = user_data; + + if (COGL_FLAGS_GET (data->uniform_differences, uniform_num)) + { + GArray *uniform_locations; + GLint uniform_location; + + if (data->program_state->uniform_locations == NULL) + data->program_state->uniform_locations = + g_array_new (FALSE, FALSE, sizeof (GLint)); + + uniform_locations = data->program_state->uniform_locations; + + if (uniform_locations->len <= uniform_num) + { + unsigned int old_len = uniform_locations->len; + + g_array_set_size (uniform_locations, uniform_num + 1); + + while (old_len <= uniform_num) + { + g_array_index (uniform_locations, GLint, old_len) = + UNIFORM_LOCATION_UNKNOWN; + old_len++; + } + } + + uniform_location = g_array_index (uniform_locations, GLint, uniform_num); + + if (uniform_location == UNIFORM_LOCATION_UNKNOWN) + { + const char *uniform_name = + g_ptr_array_index (data->ctx->uniform_names, uniform_num); + + uniform_location = + data->ctx->glGetUniformLocation (data->program_state->program, + uniform_name); + g_array_index (uniform_locations, GLint, uniform_num) = + uniform_location; + } + + if (uniform_location != -1) + _cogl_boxed_value_set_uniform (data->ctx, + uniform_location, + data->values + data->value_index); + + data->n_differences--; + COGL_FLAGS_SET (data->uniform_differences, uniform_num, FALSE); + } + + data->value_index++; + + return data->n_differences > 0; +} + +static void +_cogl_pipeline_progend_glsl_flush_uniforms (CoglPipeline *pipeline, + CoglPipelineProgramState * + program_state, + GLuint gl_program, + CoglBool program_changed) +{ + CoglPipelineUniformsState *uniforms_state; + FlushUniformsClosure data; + int n_uniform_longs; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (pipeline->differences & COGL_PIPELINE_STATE_UNIFORMS) + uniforms_state = &pipeline->big_state->uniforms_state; + else + uniforms_state = NULL; + + data.program_state = program_state; + data.ctx = ctx; + + n_uniform_longs = COGL_FLAGS_N_LONGS_FOR_SIZE (ctx->n_uniform_names); + + data.uniform_differences = g_newa (unsigned long, n_uniform_longs); + + /* Try to find a common ancestor for the values that were already + flushed on the pipeline that this program state was last used for + so we can avoid flushing those */ + + if (program_changed || program_state->last_used_for_pipeline == NULL) + { + if (program_changed) + { + /* The program has changed so all of the uniform locations + are invalid */ + if (program_state->uniform_locations) + g_array_set_size (program_state->uniform_locations, 0); + } + + /* We need to flush everything so mark all of the uniforms as + dirty */ + memset (data.uniform_differences, 0xff, + n_uniform_longs * sizeof (unsigned long)); + data.n_differences = G_MAXINT; + } + else if (program_state->last_used_for_pipeline) + { + int i; + + memset (data.uniform_differences, 0, + n_uniform_longs * sizeof (unsigned long)); + _cogl_pipeline_compare_uniform_differences + (data.uniform_differences, + program_state->last_used_for_pipeline, + pipeline); + + /* We need to be sure to flush any uniforms that have changed + since the last flush */ + if (uniforms_state) + _cogl_bitmask_set_flags (&uniforms_state->changed_mask, + data.uniform_differences); + + /* Count the number of differences. This is so we can stop early + when we've flushed all of them */ + data.n_differences = 0; + + for (i = 0; i < n_uniform_longs; i++) + data.n_differences += + _cogl_util_popcountl (data.uniform_differences[i]); + } + + while (pipeline && data.n_differences > 0) + { + if (pipeline->differences & COGL_PIPELINE_STATE_UNIFORMS) + { + const CoglPipelineUniformsState *parent_uniforms_state = + &pipeline->big_state->uniforms_state; + + data.values = parent_uniforms_state->override_values; + data.value_index = 0; + + _cogl_bitmask_foreach (&parent_uniforms_state->override_mask, + flush_uniform_cb, + &data); + } + + pipeline = _cogl_pipeline_get_parent (pipeline); + } + + if (uniforms_state) + _cogl_bitmask_clear_all (&uniforms_state->changed_mask); +} + +static CoglBool +_cogl_pipeline_progend_glsl_start (CoglPipeline *pipeline) +{ + CoglHandle user_program; + + _COGL_GET_CONTEXT (ctx, FALSE); + + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_GLSL)) + return FALSE; + + user_program = cogl_pipeline_get_user_program (pipeline); + if (user_program && + _cogl_program_get_language (user_program) != COGL_SHADER_LANGUAGE_GLSL) + return FALSE; + + return TRUE; +} + +static void +_cogl_pipeline_progend_glsl_end (CoglPipeline *pipeline, + unsigned long pipelines_difference) +{ + CoglPipelineProgramState *program_state; + GLuint gl_program; + CoglBool program_changed = FALSE; + UpdateUniformsState state; + CoglProgram *user_program; + CoglPipelineCacheEntry *cache_entry = NULL; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + program_state = get_program_state (pipeline); + + user_program = cogl_pipeline_get_user_program (pipeline); + + if (program_state == NULL) + { + CoglPipeline *authority; + + /* Get the authority for anything affecting program state. This + should include both fragment codegen state and vertex codegen + state */ + authority = _cogl_pipeline_find_equivalent_parent + (pipeline, + (_cogl_pipeline_get_state_for_vertex_codegen (ctx) | + _cogl_pipeline_get_state_for_fragment_codegen (ctx)) & + ~COGL_PIPELINE_STATE_LAYERS, + _cogl_pipeline_get_layer_state_for_fragment_codegen (ctx) | + COGL_PIPELINE_LAYER_STATE_AFFECTS_VERTEX_CODEGEN); + + program_state = get_program_state (authority); + + if (program_state == NULL) + { + /* Check if there is already a similar cached pipeline whose + program state we can share */ + if (G_LIKELY (!(COGL_DEBUG_ENABLED + (COGL_DEBUG_DISABLE_PROGRAM_CACHES)))) + { + cache_entry = + _cogl_pipeline_cache_get_combined_template (ctx->pipeline_cache, + authority); + + program_state = get_program_state (cache_entry->pipeline); + } + + if (program_state) + program_state->ref_count++; + else + program_state + = program_state_new (cogl_pipeline_get_n_layers (authority), + cache_entry); + + set_program_state (authority, program_state); + + program_state->ref_count--; + + if (cache_entry) + set_program_state (cache_entry->pipeline, program_state); + } + + if (authority != pipeline) + set_program_state (pipeline, program_state); + } + + /* If the program has changed since the last link then we do + * need to relink */ + if (program_state->program && user_program && + user_program->age != program_state->user_program_age) + { + GE( ctx, glDeleteProgram (program_state->program) ); + program_state->program = 0; + } + + if (program_state->program == 0) + { + GLuint backend_shader; + GSList *l; + + GE_RET( program_state->program, ctx, glCreateProgram () ); + + /* Attach all of the shader from the user program */ + if (user_program) + { + for (l = user_program->attached_shaders; l; l = l->next) + { + CoglShader *shader = l->data; + + _cogl_shader_compile_real (shader, pipeline); + + g_assert (shader->language == COGL_SHADER_LANGUAGE_GLSL); + + GE( ctx, glAttachShader (program_state->program, + shader->gl_handle) ); + } + + program_state->user_program_age = user_program->age; + } + + /* Attach any shaders from the GLSL backends */ + if ((backend_shader = _cogl_pipeline_fragend_glsl_get_shader (pipeline))) + GE( ctx, glAttachShader (program_state->program, backend_shader) ); + if ((backend_shader = _cogl_pipeline_vertend_glsl_get_shader (pipeline))) + GE( ctx, glAttachShader (program_state->program, backend_shader) ); + + /* XXX: OpenGL as a special case requires the vertex position to + * be bound to generic attribute 0 so for simplicity we + * unconditionally bind the cogl_position_in attribute here... + */ + GE( ctx, glBindAttribLocation (program_state->program, + 0, "cogl_position_in")); + + link_program (program_state->program); + + program_changed = TRUE; + } + + gl_program = program_state->program; + + _cogl_use_fragment_program (gl_program, COGL_PIPELINE_PROGRAM_TYPE_GLSL); + _cogl_use_vertex_program (gl_program, COGL_PIPELINE_PROGRAM_TYPE_GLSL); + + state.unit = 0; + state.gl_program = gl_program; + state.program_state = program_state; + + if (program_changed) + { + cogl_pipeline_foreach_layer (pipeline, + get_uniform_cb, + &state); + clear_attribute_cache (program_state); + + GE_RET (program_state->flip_uniform, + ctx, glGetUniformLocation (gl_program, "_cogl_flip_vector")); + program_state->flushed_flip_state = -1; + } + + state.unit = 0; + state.update_all = (program_changed || + program_state->last_used_for_pipeline != pipeline); + + cogl_pipeline_foreach_layer (pipeline, + update_constants_cb, + &state); + + if (program_changed) + { + int i; + + clear_flushed_matrix_stacks (program_state); + + for (i = 0; i < G_N_ELEMENTS (builtin_uniforms); i++) + if (!_cogl_has_private_feature + (ctx, builtin_uniforms[i].feature_replacement)) + GE_RET( program_state->builtin_uniform_locations[i], ctx, + glGetUniformLocation (gl_program, + builtin_uniforms[i].uniform_name) ); + + GE_RET( program_state->modelview_uniform, ctx, + glGetUniformLocation (gl_program, + "cogl_modelview_matrix") ); + + GE_RET( program_state->projection_uniform, ctx, + glGetUniformLocation (gl_program, + "cogl_projection_matrix") ); + + GE_RET( program_state->mvp_uniform, ctx, + glGetUniformLocation (gl_program, + "cogl_modelview_projection_matrix") ); + } + + if (program_changed || + program_state->last_used_for_pipeline != pipeline) + program_state->dirty_builtin_uniforms = ~(unsigned long) 0; + + update_builtin_uniforms (ctx, pipeline, gl_program, program_state); + + _cogl_pipeline_progend_glsl_flush_uniforms (pipeline, + program_state, + gl_program, + program_changed); + + if (user_program) + _cogl_program_flush_uniforms (user_program, + gl_program, + program_changed); + + /* We need to track the last pipeline that the program was used with + * so know if we need to update all of the uniforms */ + program_state->last_used_for_pipeline = pipeline; +} + +static void +_cogl_pipeline_progend_glsl_pre_change_notify (CoglPipeline *pipeline, + CoglPipelineState change, + const CoglColor *new_color) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if ((change & (_cogl_pipeline_get_state_for_vertex_codegen (ctx) | + _cogl_pipeline_get_state_for_fragment_codegen (ctx)))) + { + dirty_program_state (pipeline); + } + else + { + int i; + + for (i = 0; i < G_N_ELEMENTS (builtin_uniforms); i++) + if (!_cogl_has_private_feature + (ctx, builtin_uniforms[i].feature_replacement) && + (change & builtin_uniforms[i].change)) + { + CoglPipelineProgramState *program_state + = get_program_state (pipeline); + if (program_state) + program_state->dirty_builtin_uniforms |= 1 << i; + return; + } + } +} + +/* NB: layers are considered immutable once they have any dependants + * so although multiple pipelines can end up depending on a single + * static layer, we can guarantee that if a layer is being *changed* + * then it can only have one pipeline depending on it. + * + * XXX: Don't forget this is *pre* change, we can't read the new value + * yet! + */ +static void +_cogl_pipeline_progend_glsl_layer_pre_change_notify ( + CoglPipeline *owner, + CoglPipelineLayer *layer, + CoglPipelineLayerState change) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if ((change & (_cogl_pipeline_get_layer_state_for_fragment_codegen (ctx) | + COGL_PIPELINE_LAYER_STATE_AFFECTS_VERTEX_CODEGEN))) + { + dirty_program_state (owner); + } + else if (change & COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT) + { + CoglPipelineProgramState *program_state = get_program_state (owner); + if (program_state) + { + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + program_state->unit_state[unit_index].dirty_combine_constant = TRUE; + } + } + else if (change & COGL_PIPELINE_LAYER_STATE_USER_MATRIX) + { + CoglPipelineProgramState *program_state = get_program_state (owner); + if (program_state) + { + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + program_state->unit_state[unit_index].dirty_texture_matrix = TRUE; + } + } +} + +static void +_cogl_pipeline_progend_glsl_pre_paint (CoglPipeline *pipeline, + CoglFramebuffer *framebuffer) +{ + CoglBool needs_flip; + CoglMatrixEntry *projection_entry; + CoglMatrixEntry *modelview_entry; + CoglPipelineProgramState *program_state; + CoglBool modelview_changed; + CoglBool projection_changed; + CoglBool need_modelview; + CoglBool need_projection; + CoglMatrix modelview, projection; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + program_state = get_program_state (pipeline); + + projection_entry = ctx->current_projection_entry; + modelview_entry = ctx->current_modelview_entry; + + /* An initial pipeline is flushed while creating the context. At + this point there are no matrices selected so we can't do + anything */ + if (modelview_entry == NULL || projection_entry == NULL) + return; + + needs_flip = cogl_is_offscreen (ctx->current_draw_buffer); + + projection_changed = + _cogl_matrix_entry_cache_maybe_update (&program_state->projection_cache, + projection_entry, + (needs_flip && + program_state->flip_uniform == + -1)); + + modelview_changed = + _cogl_matrix_entry_cache_maybe_update (&program_state->modelview_cache, + modelview_entry, + /* never flip modelview */ + FALSE); + + if (modelview_changed || projection_changed) + { + if (program_state->mvp_uniform != -1) + need_modelview = need_projection = TRUE; + else + { + need_projection = (program_state->projection_uniform != -1 && + projection_changed); + need_modelview = (program_state->modelview_uniform != -1 && + modelview_changed); + } + + if (need_modelview) + cogl_matrix_entry_get (modelview_entry, &modelview); + if (need_projection) + { + if (needs_flip && program_state->flip_uniform == -1) + { + CoglMatrix tmp_matrix; + cogl_matrix_entry_get (projection_entry, &tmp_matrix); + cogl_matrix_multiply (&projection, + &ctx->y_flip_matrix, + &tmp_matrix); + } + else + cogl_matrix_entry_get (projection_entry, &projection); + } + + if (projection_changed && program_state->projection_uniform != -1) + GE (ctx, glUniformMatrix4fv (program_state->projection_uniform, + 1, /* count */ + FALSE, /* transpose */ + cogl_matrix_get_array (&projection))); + + if (modelview_changed && program_state->modelview_uniform != -1) + GE (ctx, glUniformMatrix4fv (program_state->modelview_uniform, + 1, /* count */ + FALSE, /* transpose */ + cogl_matrix_get_array (&modelview))); + + if (program_state->mvp_uniform != -1) + { + /* The journal usually uses an identity matrix for the + modelview so we can optimise this common case by + avoiding the matrix multiplication */ + if (cogl_matrix_entry_is_identity (modelview_entry)) + { + GE (ctx, + glUniformMatrix4fv (program_state->mvp_uniform, + 1, /* count */ + FALSE, /* transpose */ + cogl_matrix_get_array (&projection))); + } + else + { + CoglMatrix combined; + + cogl_matrix_multiply (&combined, + &projection, + &modelview); + GE (ctx, + glUniformMatrix4fv (program_state->mvp_uniform, + 1, /* count */ + FALSE, /* transpose */ + cogl_matrix_get_array (&combined))); + } + } + } + + if (program_state->flip_uniform != -1 + && program_state->flushed_flip_state != needs_flip) + { + static const float do_flip[4] = { 1.0f, -1.0f, 1.0f, 1.0f }; + static const float dont_flip[4] = { 1.0f, 1.0f, 1.0f, 1.0f }; + GE( ctx, glUniform4fv (program_state->flip_uniform, + 1, /* count */ + needs_flip ? do_flip : dont_flip) ); + program_state->flushed_flip_state = needs_flip; + } +} + +static void +update_float_uniform (CoglPipeline *pipeline, + int uniform_location, + void *getter_func) +{ + float (* float_getter_func) (CoglPipeline *) = getter_func; + float value; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + value = float_getter_func (pipeline); + GE( ctx, glUniform1f (uniform_location, value) ); +} + +const CoglPipelineProgend _cogl_pipeline_glsl_progend = + { + COGL_PIPELINE_VERTEND_GLSL, + COGL_PIPELINE_FRAGEND_GLSL, + _cogl_pipeline_progend_glsl_start, + _cogl_pipeline_progend_glsl_end, + _cogl_pipeline_progend_glsl_pre_change_notify, + _cogl_pipeline_progend_glsl_layer_pre_change_notify, + _cogl_pipeline_progend_glsl_pre_paint + }; + +#endif /* COGL_PIPELINE_PROGEND_GLSL */ diff --git a/cogl/driver/gl/cogl-pipeline-vertend-fixed-private.h b/cogl/driver/gl/cogl-pipeline-vertend-fixed-private.h new file mode 100644 index 0000000..97dee54 --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-vertend-fixed-private.h @@ -0,0 +1,42 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_PIPELINE_VERTEND_FIXED_PRIVATE_H +#define __COGL_PIPELINE_VERTEND_FIXED_PRIVATE_H + +#include "cogl-pipeline-private.h" + +extern const CoglPipelineVertend _cogl_pipeline_fixed_vertend; + +#endif /* __COGL_PIPELINE_VERTEND_FIXED_PRIVATE_H */ + diff --git a/cogl/driver/gl/cogl-pipeline-vertend-fixed.c b/cogl/driver/gl/cogl-pipeline-vertend-fixed.c new file mode 100644 index 0000000..f34a012 --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-vertend-fixed.c @@ -0,0 +1,121 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-state-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-framebuffer-private.h" + +#ifdef COGL_PIPELINE_VERTEND_FIXED + +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-program-private.h" + +const CoglPipelineVertend _cogl_pipeline_fixed_vertend; + +static void +_cogl_pipeline_vertend_fixed_start (CoglPipeline *pipeline, + int n_layers, + unsigned long pipelines_difference) +{ + _cogl_use_vertex_program (0, COGL_PIPELINE_PROGRAM_TYPE_FIXED); +} + +static CoglBool +_cogl_pipeline_vertend_fixed_add_layer (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + unsigned long layers_difference, + CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + CoglTextureUnit *unit = _cogl_get_texture_unit (unit_index); + + if (layers_difference & COGL_PIPELINE_LAYER_STATE_USER_MATRIX) + { + CoglPipelineLayerState state = COGL_PIPELINE_LAYER_STATE_USER_MATRIX; + CoglPipelineLayer *authority = + _cogl_pipeline_layer_get_authority (layer, state); + CoglMatrixEntry *matrix_entry; + + cogl_matrix_stack_set (unit->matrix_stack, + &authority->big_state->matrix); + + _cogl_set_active_texture_unit (unit_index); + + matrix_entry = unit->matrix_stack->last_entry; + _cogl_matrix_entry_flush_to_gl_builtins (ctx, matrix_entry, + COGL_MATRIX_TEXTURE, + framebuffer, + FALSE /* enable flip */); + } + + return TRUE; +} + +static CoglBool +_cogl_pipeline_vertend_fixed_end (CoglPipeline *pipeline, + unsigned long pipelines_difference) +{ + _COGL_GET_CONTEXT (ctx, FALSE); + + if (pipelines_difference & COGL_PIPELINE_STATE_POINT_SIZE) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_POINT_SIZE); + + if (authority->big_state->point_size > 0.0f) + GE( ctx, glPointSize (authority->big_state->point_size) ); + } + + return TRUE; +} + +const CoglPipelineVertend _cogl_pipeline_fixed_vertend = +{ + _cogl_pipeline_vertend_fixed_start, + _cogl_pipeline_vertend_fixed_add_layer, + _cogl_pipeline_vertend_fixed_end, + NULL, /* pipeline_change_notify */ + NULL /* layer_change_notify */ +}; + +#endif /* COGL_PIPELINE_VERTEND_FIXED */ + diff --git a/cogl/driver/gl/cogl-pipeline-vertend-glsl-private.h b/cogl/driver/gl/cogl-pipeline-vertend-glsl-private.h new file mode 100644 index 0000000..4bd3823 --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-vertend-glsl-private.h @@ -0,0 +1,45 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PIPELINE_VERTEND_GLSL_PRIVATE_H +#define __COGL_PIPELINE_VERTEND_GLSL_PRIVATE_H + +#include "cogl-pipeline-private.h" + +extern const CoglPipelineVertend _cogl_pipeline_glsl_vertend; + +GLuint +_cogl_pipeline_vertend_glsl_get_shader (CoglPipeline *pipeline); + +#endif /* __COGL_PIPELINE_VERTEND_GLSL_PRIVATE_H */ + diff --git a/cogl/driver/gl/cogl-pipeline-vertend-glsl.c b/cogl/driver/gl/cogl-pipeline-vertend-glsl.c new file mode 100644 index 0000000..c9e6a28 --- /dev/null +++ b/cogl/driver/gl/cogl-pipeline-vertend-glsl.c @@ -0,0 +1,680 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-opengl-private.h" + +#ifdef COGL_PIPELINE_VERTEND_GLSL + +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-program-private.h" +#include "cogl-pipeline-vertend-glsl-private.h" +#include "cogl-pipeline-state-private.h" +#include "cogl-glsl-shader-private.h" + +const CoglPipelineVertend _cogl_pipeline_glsl_vertend; + +typedef struct +{ + unsigned int ref_count; + + GLuint gl_shader; + GString *header, *source; + + CoglPipelineCacheEntry *cache_entry; +} CoglPipelineShaderState; + +static CoglUserDataKey shader_state_key; + +static CoglPipelineShaderState * +shader_state_new (CoglPipelineCacheEntry *cache_entry) +{ + CoglPipelineShaderState *shader_state; + + shader_state = g_slice_new0 (CoglPipelineShaderState); + shader_state->ref_count = 1; + shader_state->cache_entry = cache_entry; + + return shader_state; +} + +static CoglPipelineShaderState * +get_shader_state (CoglPipeline *pipeline) +{ + return cogl_object_get_user_data (COGL_OBJECT (pipeline), &shader_state_key); +} + +static void +destroy_shader_state (void *user_data, + void *instance) +{ + CoglPipelineShaderState *shader_state = user_data; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (shader_state->cache_entry && + shader_state->cache_entry->pipeline != instance) + shader_state->cache_entry->usage_count--; + + if (--shader_state->ref_count == 0) + { + if (shader_state->gl_shader) + GE( ctx, glDeleteShader (shader_state->gl_shader) ); + + g_slice_free (CoglPipelineShaderState, shader_state); + } +} + +static void +set_shader_state (CoglPipeline *pipeline, + CoglPipelineShaderState *shader_state) +{ + if (shader_state) + { + shader_state->ref_count++; + + /* If we're not setting the state on the template pipeline then + * mark it as a usage of the pipeline cache entry */ + if (shader_state->cache_entry && + shader_state->cache_entry->pipeline != pipeline) + shader_state->cache_entry->usage_count++; + } + + _cogl_object_set_user_data (COGL_OBJECT (pipeline), + &shader_state_key, + shader_state, + destroy_shader_state); +} + +static void +dirty_shader_state (CoglPipeline *pipeline) +{ + cogl_object_set_user_data (COGL_OBJECT (pipeline), + &shader_state_key, + NULL, + NULL); +} + +GLuint +_cogl_pipeline_vertend_glsl_get_shader (CoglPipeline *pipeline) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + + if (shader_state) + return shader_state->gl_shader; + else + return 0; +} + +static CoglPipelineSnippetList * +get_vertex_snippets (CoglPipeline *pipeline) +{ + pipeline = + _cogl_pipeline_get_authority (pipeline, + COGL_PIPELINE_STATE_VERTEX_SNIPPETS); + + return &pipeline->big_state->vertex_snippets; +} + +static CoglPipelineSnippetList * +get_layer_vertex_snippets (CoglPipelineLayer *layer) +{ + unsigned long state = COGL_PIPELINE_LAYER_STATE_VERTEX_SNIPPETS; + layer = _cogl_pipeline_layer_get_authority (layer, state); + + return &layer->big_state->vertex_snippets; +} + +static CoglBool +add_layer_declaration_cb (CoglPipelineLayer *layer, + void *user_data) +{ + CoglPipelineShaderState *shader_state = user_data; + CoglTextureType texture_type = + _cogl_pipeline_layer_get_texture_type (layer); + const char *target_string; + + _cogl_gl_util_get_texture_target_string (texture_type, &target_string, NULL); + + g_string_append_printf (shader_state->header, + "uniform sampler%s cogl_sampler%i;\n", + target_string, + layer->index); + + return TRUE; +} + +static void +add_layer_declarations (CoglPipeline *pipeline, + CoglPipelineShaderState *shader_state) +{ + /* We always emit sampler uniforms in case there will be custom + * layer snippets that want to sample arbitrary layers. */ + + _cogl_pipeline_foreach_layer_internal (pipeline, + add_layer_declaration_cb, + shader_state); +} + +static void +add_global_declarations (CoglPipeline *pipeline, + CoglPipelineShaderState *shader_state) +{ + CoglSnippetHook hook = COGL_SNIPPET_HOOK_VERTEX_GLOBALS; + CoglPipelineSnippetList *snippets = get_vertex_snippets (pipeline); + + /* Add the global data hooks. All of the code in these snippets is + * always added and only the declarations data is used */ + + _cogl_pipeline_snippet_generate_declarations (shader_state->header, + hook, + snippets); +} + +static void +_cogl_pipeline_vertend_glsl_start (CoglPipeline *pipeline, + int n_layers, + unsigned long pipelines_difference) +{ + CoglPipelineShaderState *shader_state; + CoglPipelineCacheEntry *cache_entry = NULL; + CoglProgram *user_program = cogl_pipeline_get_user_program (pipeline); + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* Now lookup our glsl backend private state (allocating if + * necessary) */ + shader_state = get_shader_state (pipeline); + + if (shader_state == NULL) + { + CoglPipeline *authority; + + /* Get the authority for anything affecting vertex shader + state */ + authority = _cogl_pipeline_find_equivalent_parent + (pipeline, + _cogl_pipeline_get_state_for_vertex_codegen (ctx) & + ~COGL_PIPELINE_STATE_LAYERS, + COGL_PIPELINE_LAYER_STATE_AFFECTS_VERTEX_CODEGEN); + + shader_state = get_shader_state (authority); + + if (shader_state == NULL) + { + /* Check if there is already a similar cached pipeline whose + shader state we can share */ + if (G_LIKELY (!(COGL_DEBUG_ENABLED + (COGL_DEBUG_DISABLE_PROGRAM_CACHES)))) + { + cache_entry = + _cogl_pipeline_cache_get_vertex_template (ctx->pipeline_cache, + authority); + + shader_state = get_shader_state (cache_entry->pipeline); + } + + if (shader_state) + shader_state->ref_count++; + else + shader_state = shader_state_new (cache_entry); + + set_shader_state (authority, shader_state); + + shader_state->ref_count--; + + if (cache_entry) + set_shader_state (cache_entry->pipeline, shader_state); + } + + if (authority != pipeline) + set_shader_state (pipeline, shader_state); + } + + if (user_program) + { + /* If the user program contains a vertex shader then we don't need + to generate one */ + if (_cogl_program_has_vertex_shader (user_program)) + { + if (shader_state->gl_shader) + { + GE( ctx, glDeleteShader (shader_state->gl_shader) ); + shader_state->gl_shader = 0; + } + return; + } + } + + if (shader_state->gl_shader) + return; + + /* If we make it here then we have a shader_state struct without a gl_shader + either because this is the first time we've encountered it or + because the user program has changed */ + + /* We reuse two grow-only GStrings for code-gen. One string + contains the uniform and attribute declarations while the + other contains the main function. We need two strings + because we need to dynamically declare attributes as the + add_layer callback is invoked */ + g_string_set_size (ctx->codegen_header_buffer, 0); + g_string_set_size (ctx->codegen_source_buffer, 0); + shader_state->header = ctx->codegen_header_buffer; + shader_state->source = ctx->codegen_source_buffer; + + add_layer_declarations (pipeline, shader_state); + add_global_declarations (pipeline, shader_state); + + g_string_append (shader_state->source, + "void\n" + "cogl_generated_source ()\n" + "{\n"); + + if (cogl_pipeline_get_per_vertex_point_size (pipeline)) + g_string_append (shader_state->header, + "attribute float cogl_point_size_in;\n"); + else if (!_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_BUILTIN_POINT_SIZE_UNIFORM)) + { + /* There is no builtin uniform for the point size on GLES2 so we + need to copy it from the custom uniform in the vertex shader + if we're not using per-vertex point sizes, however we'll only + do this if the point-size is non-zero. Toggle the point size + between zero and non-zero causes a state change which + generates a new program */ + if (cogl_pipeline_get_point_size (pipeline) > 0.0f) + { + g_string_append (shader_state->header, + "uniform float cogl_point_size_in;\n"); + g_string_append (shader_state->source, + " cogl_point_size_out = cogl_point_size_in;\n"); + } + } +} + +static CoglBool +_cogl_pipeline_vertend_glsl_add_layer (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + unsigned long layers_difference, + CoglFramebuffer *framebuffer) +{ + CoglPipelineShaderState *shader_state; + CoglPipelineSnippetData snippet_data; + int layer_index = layer->index; + + _COGL_GET_CONTEXT (ctx, FALSE); + + shader_state = get_shader_state (pipeline); + + if (shader_state->source == NULL) + return TRUE; + + /* Transform the texture coordinates by the layer's user matrix. + * + * FIXME: this should avoid doing the transform if there is no user + * matrix set. This might need a separate layer state flag for + * whether there is a user matrix + * + * FIXME: we could be more clever here and try to detect if the + * fragment program is going to use the texture coordinates and + * avoid setting them if not + */ + + g_string_append_printf (shader_state->header, + "vec4\n" + "cogl_real_transform_layer%i (mat4 matrix, " + "vec4 tex_coord)\n" + "{\n" + " return matrix * tex_coord;\n" + "}\n", + layer_index); + + /* Wrap the layer code in any snippets that have been hooked */ + memset (&snippet_data, 0, sizeof (snippet_data)); + snippet_data.snippets = get_layer_vertex_snippets (layer); + snippet_data.hook = COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM; + snippet_data.chain_function = g_strdup_printf ("cogl_real_transform_layer%i", + layer_index); + snippet_data.final_name = g_strdup_printf ("cogl_transform_layer%i", + layer_index); + snippet_data.function_prefix = g_strdup_printf ("cogl_transform_layer%i", + layer_index); + snippet_data.return_type = "vec4"; + snippet_data.return_variable = "cogl_tex_coord"; + snippet_data.return_variable_is_argument = TRUE; + snippet_data.arguments = "cogl_matrix, cogl_tex_coord"; + snippet_data.argument_declarations = "mat4 cogl_matrix, vec4 cogl_tex_coord"; + snippet_data.source_buf = shader_state->header; + + _cogl_pipeline_snippet_generate_code (&snippet_data); + + g_free ((char *) snippet_data.chain_function); + g_free ((char *) snippet_data.final_name); + g_free ((char *) snippet_data.function_prefix); + + g_string_append_printf (shader_state->source, + " cogl_tex_coord%i_out = " + "cogl_transform_layer%i (cogl_texture_matrix%i,\n" + " " + " cogl_tex_coord%i_in);\n", + layer_index, + layer_index, + layer_index, + layer_index); + + return TRUE; +} + +static CoglBool +_cogl_pipeline_vertend_glsl_end (CoglPipeline *pipeline, + unsigned long pipelines_difference) +{ + CoglPipelineShaderState *shader_state; + + _COGL_GET_CONTEXT (ctx, FALSE); + + shader_state = get_shader_state (pipeline); + + if (shader_state->source) + { + const char *source_strings[2]; + GLint lengths[2]; + GLint compile_status; + GLuint shader; + CoglPipelineSnippetData snippet_data; + CoglPipelineSnippetList *vertex_snippets; + CoglBool has_per_vertex_point_size = + cogl_pipeline_get_per_vertex_point_size (pipeline); + + COGL_STATIC_COUNTER (vertend_glsl_compile_counter, + "glsl vertex compile counter", + "Increments each time a new GLSL " + "vertex shader is compiled", + 0 /* no application private data */); + COGL_COUNTER_INC (_cogl_uprof_context, vertend_glsl_compile_counter); + + g_string_append (shader_state->header, + "void\n" + "cogl_real_vertex_transform ()\n" + "{\n" + " cogl_position_out = " + "cogl_modelview_projection_matrix * " + "cogl_position_in;\n" + "}\n"); + + g_string_append (shader_state->source, + " cogl_vertex_transform ();\n"); + + if (has_per_vertex_point_size) + { + g_string_append (shader_state->header, + "void\n" + "cogl_real_point_size_calculation ()\n" + "{\n" + " cogl_point_size_out = cogl_point_size_in;\n" + "}\n"); + g_string_append (shader_state->source, + " cogl_point_size_calculation ();\n"); + } + + g_string_append (shader_state->source, + " cogl_color_out = cogl_color_in;\n" + "}\n"); + + vertex_snippets = get_vertex_snippets (pipeline); + + /* Add hooks for the vertex transform part */ + memset (&snippet_data, 0, sizeof (snippet_data)); + snippet_data.snippets = vertex_snippets; + snippet_data.hook = COGL_SNIPPET_HOOK_VERTEX_TRANSFORM; + snippet_data.chain_function = "cogl_real_vertex_transform"; + snippet_data.final_name = "cogl_vertex_transform"; + snippet_data.function_prefix = "cogl_vertex_transform"; + snippet_data.source_buf = shader_state->header; + _cogl_pipeline_snippet_generate_code (&snippet_data); + + /* Add hooks for the point size calculation part */ + if (has_per_vertex_point_size) + { + memset (&snippet_data, 0, sizeof (snippet_data)); + snippet_data.snippets = vertex_snippets; + snippet_data.hook = COGL_SNIPPET_HOOK_POINT_SIZE; + snippet_data.chain_function = "cogl_real_point_size_calculation"; + snippet_data.final_name = "cogl_point_size_calculation"; + snippet_data.function_prefix = "cogl_point_size_calculation"; + snippet_data.source_buf = shader_state->header; + _cogl_pipeline_snippet_generate_code (&snippet_data); + } + + /* Add all of the hooks for vertex processing */ + memset (&snippet_data, 0, sizeof (snippet_data)); + snippet_data.snippets = vertex_snippets; + snippet_data.hook = COGL_SNIPPET_HOOK_VERTEX; + snippet_data.chain_function = "cogl_generated_source"; + snippet_data.final_name = "cogl_vertex_hook"; + snippet_data.function_prefix = "cogl_vertex_hook"; + snippet_data.source_buf = shader_state->source; + _cogl_pipeline_snippet_generate_code (&snippet_data); + + g_string_append (shader_state->source, + "void\n" + "main ()\n" + "{\n" + " cogl_vertex_hook ();\n"); + + /* If there are any snippets then we can't rely on the + projection matrix to flip the rendering for offscreen buffers + so we'll need to flip it using an extra statement and a + uniform */ + if (_cogl_pipeline_has_vertex_snippets (pipeline)) + { + g_string_append (shader_state->header, + "uniform vec4 _cogl_flip_vector;\n"); + g_string_append (shader_state->source, + " cogl_position_out *= _cogl_flip_vector;\n"); + } + + g_string_append (shader_state->source, + "}\n"); + + GE_RET( shader, ctx, glCreateShader (GL_VERTEX_SHADER) ); + + lengths[0] = shader_state->header->len; + source_strings[0] = shader_state->header->str; + lengths[1] = shader_state->source->len; + source_strings[1] = shader_state->source->str; + + _cogl_glsl_shader_set_source_with_boilerplate (ctx, + shader, GL_VERTEX_SHADER, + pipeline, + 2, /* count */ + source_strings, lengths); + + GE( ctx, glCompileShader (shader) ); + GE( ctx, glGetShaderiv (shader, GL_COMPILE_STATUS, &compile_status) ); + + if (!compile_status) + { + GLint len = 0; + char *shader_log; + + GE( ctx, glGetShaderiv (shader, GL_INFO_LOG_LENGTH, &len) ); + shader_log = g_alloca (len); + GE( ctx, glGetShaderInfoLog (shader, len, &len, shader_log) ); + g_warning ("Shader compilation failed:\n%s", shader_log); + } + + shader_state->header = NULL; + shader_state->source = NULL; + shader_state->gl_shader = shader; + } + +#ifdef HAVE_COGL_GL + if (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_BUILTIN_POINT_SIZE_UNIFORM) && + (pipelines_difference & COGL_PIPELINE_STATE_POINT_SIZE)) + { + CoglPipeline *authority = + _cogl_pipeline_get_authority (pipeline, COGL_PIPELINE_STATE_POINT_SIZE); + + if (authority->big_state->point_size > 0.0f) + GE( ctx, glPointSize (authority->big_state->point_size) ); + } +#endif /* HAVE_COGL_GL */ + + return TRUE; +} + +static void +_cogl_pipeline_vertend_glsl_pre_change_notify (CoglPipeline *pipeline, + CoglPipelineState change, + const CoglColor *new_color) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if ((change & _cogl_pipeline_get_state_for_vertex_codegen (ctx))) + dirty_shader_state (pipeline); +} + +/* NB: layers are considered immutable once they have any dependants + * so although multiple pipelines can end up depending on a single + * static layer, we can guarantee that if a layer is being *changed* + * then it can only have one pipeline depending on it. + * + * XXX: Don't forget this is *pre* change, we can't read the new value + * yet! + */ +static void +_cogl_pipeline_vertend_glsl_layer_pre_change_notify ( + CoglPipeline *owner, + CoglPipelineLayer *layer, + CoglPipelineLayerState change) +{ + CoglPipelineShaderState *shader_state; + + shader_state = get_shader_state (owner); + if (!shader_state) + return; + + if ((change & COGL_PIPELINE_LAYER_STATE_AFFECTS_VERTEX_CODEGEN)) + { + dirty_shader_state (owner); + return; + } + + /* TODO: we could be saving snippets of texture combine code along + * with each layer and then when a layer changes we would just free + * the snippet. */ +} + +const CoglPipelineVertend _cogl_pipeline_glsl_vertend = + { + _cogl_pipeline_vertend_glsl_start, + _cogl_pipeline_vertend_glsl_add_layer, + _cogl_pipeline_vertend_glsl_end, + _cogl_pipeline_vertend_glsl_pre_change_notify, + _cogl_pipeline_vertend_glsl_layer_pre_change_notify + }; + +UNIT_TEST (check_point_size_shader, + 0 /* no requirements */, + 0 /* no failure cases */) +{ + CoglPipeline *pipelines[4]; + CoglPipelineShaderState *shader_states[G_N_ELEMENTS (pipelines)]; + int i; + + /* Default pipeline with zero point size */ + pipelines[0] = cogl_pipeline_new (test_ctx); + + /* Point size 1 */ + pipelines[1] = cogl_pipeline_new (test_ctx); + cogl_pipeline_set_point_size (pipelines[1], 1.0f); + + /* Point size 2 */ + pipelines[2] = cogl_pipeline_new (test_ctx); + cogl_pipeline_set_point_size (pipelines[2], 2.0f); + + /* Same as the first pipeline, but reached by restoring the old + * state from a copy */ + pipelines[3] = cogl_pipeline_copy (pipelines[1]); + cogl_pipeline_set_point_size (pipelines[3], 0.0f); + + /* Draw something with all of the pipelines to make sure their state + * is flushed */ + for (i = 0; i < G_N_ELEMENTS (pipelines); i++) + cogl_framebuffer_draw_rectangle (test_fb, + pipelines[i], + 0.0f, 0.0f, + 10.0f, 10.0f); + cogl_framebuffer_finish (test_fb); + + /* Get all of the shader states. These might be NULL if the driver + * is not using GLSL */ + for (i = 0; i < G_N_ELEMENTS (pipelines); i++) + shader_states[i] = get_shader_state (pipelines[i]); + + /* If the first two pipelines are using GLSL then they should have + * the same shader unless there is no builtin uniform for the point + * size */ + if (shader_states[0]) + { + if (_cogl_has_private_feature + (test_ctx, COGL_PRIVATE_FEATURE_BUILTIN_POINT_SIZE_UNIFORM)) + g_assert (shader_states[0] == shader_states[1]); + else + g_assert (shader_states[0] != shader_states[1]); + } + + /* The second and third pipelines should always have the same shader + * state because only toggling between zero and non-zero should + * change the shader */ + g_assert (shader_states[1] == shader_states[2]); + + /* The fourth pipeline should be exactly the same as the first */ + g_assert (shader_states[0] == shader_states[3]); +} + +#endif /* COGL_PIPELINE_VERTEND_GLSL */ diff --git a/cogl/driver/gl/cogl-texture-2d-gl-private.h b/cogl/driver/gl/cogl-texture-2d-gl-private.h new file mode 100644 index 0000000..e5c6585 --- /dev/null +++ b/cogl/driver/gl/cogl-texture-2d-gl-private.h @@ -0,0 +1,119 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef _COGL_TEXTURE_2D_GL_PRIVATE_H_ +#define _COGL_TEXTURE_2D_GL_PRIVATE_H_ + +#include "cogl-types.h" +#include "cogl-context-private.h" +#include "cogl-texture.h" + +void +_cogl_texture_2d_gl_free (CoglTexture2D *tex_2d); + +CoglBool +_cogl_texture_2d_gl_can_create (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format); + +void +_cogl_texture_2d_gl_init (CoglTexture2D *tex_2d); + +CoglBool +_cogl_texture_2d_gl_allocate (CoglTexture *tex, + CoglError **error); + +CoglTexture2D * +_cogl_texture_2d_gl_new_from_bitmap (CoglBitmap *bmp, + CoglPixelFormat internal_format, + CoglBool can_convert_in_place, + CoglError **error); + +#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base) +CoglTexture2D * +_cogl_egl_texture_2d_gl_new_from_image (CoglContext *ctx, + int width, + int height, + CoglPixelFormat format, + EGLImageKHR image, + CoglError **error); +#endif + +void +_cogl_texture_2d_gl_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter); + +void +_cogl_texture_2d_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p); + +void +_cogl_texture_2d_gl_copy_from_framebuffer (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglFramebuffer *src_fb, + int dst_x, + int dst_y, + int level); + +unsigned int +_cogl_texture_2d_gl_get_gl_handle (CoglTexture2D *tex_2d); + +void +_cogl_texture_2d_gl_generate_mipmap (CoglTexture2D *tex_2d); + +CoglBool +_cogl_texture_2d_gl_copy_from_bitmap (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglBitmap *bitmap, + int dst_x, + int dst_y, + int level, + CoglError **error); + +void +_cogl_texture_2d_gl_get_data (CoglTexture2D *tex_2d, + CoglPixelFormat format, + int rowstride, + uint8_t *data); + +#endif /* _COGL_TEXTURE_2D_GL_PRIVATE_H_ */ diff --git a/cogl/driver/gl/cogl-texture-2d-gl.c b/cogl/driver/gl/cogl-texture-2d-gl.c new file mode 100644 index 0000000..8675f52 --- /dev/null +++ b/cogl/driver/gl/cogl-texture-2d-gl.c @@ -0,0 +1,756 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009,2010,2011,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + * Robert Bragg + */ + +#include + +#include + +#include "cogl-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-2d-gl.h" +#include "cogl-texture-2d-gl-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-texture-gl-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-error-private.h" +#include "cogl-util-gl-private.h" + +void +_cogl_texture_2d_gl_free (CoglTexture2D *tex_2d) +{ + if (!tex_2d->is_foreign && tex_2d->gl_texture) + _cogl_delete_gl_texture (tex_2d->gl_texture); +} + +CoglBool +_cogl_texture_2d_gl_can_create (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format) +{ + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + + /* If NPOT textures aren't supported then the size must be a power + of two */ + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) && + (!_cogl_util_is_pot (width) || + !_cogl_util_is_pot (height))) + return FALSE; + + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + &gl_intformat, + &gl_format, + &gl_type); + + /* Check that the driver can create a texture with that size */ + if (!ctx->texture_driver->size_supported (ctx, + GL_TEXTURE_2D, + gl_intformat, + gl_format, + gl_type, + width, + height)) + return FALSE; + + return TRUE; +} + +void +_cogl_texture_2d_gl_init (CoglTexture2D *tex_2d) +{ + tex_2d->gl_texture = 0; + + /* We default to GL_LINEAR for both filters */ + tex_2d->gl_legacy_texobj_min_filter = GL_LINEAR; + tex_2d->gl_legacy_texobj_mag_filter = GL_LINEAR; + + /* Wrap mode not yet set */ + tex_2d->gl_legacy_texobj_wrap_mode_s = GL_FALSE; + tex_2d->gl_legacy_texobj_wrap_mode_t = GL_FALSE; +} + +static CoglBool +allocate_with_size (CoglTexture2D *tex_2d, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2d); + CoglPixelFormat internal_format; + int width = loader->src.sized.width; + int height = loader->src.sized.height; + CoglContext *ctx = tex->context; + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + GLenum gl_error; + GLenum gl_texture; + + internal_format = + _cogl_texture_determine_internal_format (tex, COGL_PIXEL_FORMAT_ANY); + + if (!_cogl_texture_2d_gl_can_create (ctx, + width, + height, + internal_format)) + { + _cogl_set_error (error, COGL_TEXTURE_ERROR, + COGL_TEXTURE_ERROR_SIZE, + "Failed to create texture 2d due to size/format" + " constraints"); + return FALSE; + } + + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + &gl_intformat, + &gl_format, + &gl_type); + + gl_texture = ctx->texture_driver->gen (ctx, GL_TEXTURE_2D, internal_format); + + tex_2d->gl_internal_format = gl_intformat; + + _cogl_bind_gl_texture_transient (GL_TEXTURE_2D, + gl_texture, + tex_2d->is_foreign); + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glTexImage2D (GL_TEXTURE_2D, 0, gl_intformat, + width, height, 0, gl_format, gl_type, NULL); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + { + GE( ctx, glDeleteTextures (1, &gl_texture) ); + return FALSE; + } + + tex_2d->gl_texture = gl_texture; + tex_2d->gl_internal_format = gl_intformat; + + tex_2d->internal_format = internal_format; + + _cogl_texture_set_allocated (tex, internal_format, width, height); + + return TRUE; +} + +static CoglBool +allocate_from_bitmap (CoglTexture2D *tex_2d, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2d); + CoglBitmap *bmp = loader->src.bitmap.bitmap; + CoglContext *ctx = _cogl_bitmap_get_context (bmp); + CoglPixelFormat internal_format; + int width = cogl_bitmap_get_width (bmp); + int height = cogl_bitmap_get_height (bmp); + CoglBool can_convert_in_place = loader->src.bitmap.can_convert_in_place; + CoglBitmap *upload_bmp; + GLenum gl_intformat; + GLenum gl_format; + GLenum gl_type; + + internal_format = + _cogl_texture_determine_internal_format (tex, cogl_bitmap_get_format (bmp)); + + if (!_cogl_texture_2d_gl_can_create (ctx, + width, + height, + internal_format)) + { + _cogl_set_error (error, COGL_TEXTURE_ERROR, + COGL_TEXTURE_ERROR_SIZE, + "Failed to create texture 2d due to size/format" + " constraints"); + return FALSE; + } + + upload_bmp = _cogl_bitmap_convert_for_upload (bmp, + internal_format, + can_convert_in_place, + error); + if (upload_bmp == NULL) + return FALSE; + + ctx->driver_vtable->pixel_format_to_gl (ctx, + cogl_bitmap_get_format (upload_bmp), + NULL, /* internal format */ + &gl_format, + &gl_type); + ctx->driver_vtable->pixel_format_to_gl (ctx, + internal_format, + &gl_intformat, + NULL, + NULL); + + /* Keep a copy of the first pixel so that if glGenerateMipmap isn't + supported we can fallback to using GL_GENERATE_MIPMAP */ + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN)) + { + CoglError *ignore = NULL; + uint8_t *data = _cogl_bitmap_map (upload_bmp, + COGL_BUFFER_ACCESS_READ, 0, + &ignore); + CoglPixelFormat format = cogl_bitmap_get_format (upload_bmp); + + tex_2d->first_pixel.gl_format = gl_format; + tex_2d->first_pixel.gl_type = gl_type; + + if (data) + { + memcpy (tex_2d->first_pixel.data, data, + _cogl_pixel_format_get_bytes_per_pixel (format)); + _cogl_bitmap_unmap (upload_bmp); + } + else + { + g_warning ("Failed to read first pixel of bitmap for " + "glGenerateMipmap fallback"); + cogl_error_free (ignore); + memset (tex_2d->first_pixel.data, 0, + _cogl_pixel_format_get_bytes_per_pixel (format)); + } + } + + tex_2d->gl_texture = + ctx->texture_driver->gen (ctx, GL_TEXTURE_2D, internal_format); + if (!ctx->texture_driver->upload_to_gl (ctx, + GL_TEXTURE_2D, + tex_2d->gl_texture, + FALSE, + upload_bmp, + gl_intformat, + gl_format, + gl_type, + error)) + { + cogl_object_unref (upload_bmp); + return FALSE; + } + + tex_2d->gl_internal_format = gl_intformat; + + cogl_object_unref (upload_bmp); + + tex_2d->internal_format = internal_format; + + _cogl_texture_set_allocated (tex, internal_format, width, height); + + return TRUE; +} + +#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base) +static CoglBool +allocate_from_egl_image (CoglTexture2D *tex_2d, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2d); + CoglContext *ctx = tex->context; + CoglPixelFormat internal_format = loader->src.egl_image.format; + GLenum gl_error; + + tex_2d->gl_texture = + ctx->texture_driver->gen (ctx, GL_TEXTURE_2D, internal_format); + _cogl_bind_gl_texture_transient (GL_TEXTURE_2D, + tex_2d->gl_texture, + FALSE); + + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + ctx->glEGLImageTargetTexture2D (GL_TEXTURE_2D, loader->src.egl_image.image); + if (ctx->glGetError () != GL_NO_ERROR) + { + _cogl_set_error (error, + COGL_TEXTURE_ERROR, + COGL_TEXTURE_ERROR_BAD_PARAMETER, + "Could not create a CoglTexture2D from a given " + "EGLImage"); + GE( ctx, glDeleteTextures (1, &tex_2d->gl_texture) ); + return FALSE; + } + + tex_2d->internal_format = internal_format; + + _cogl_texture_set_allocated (tex, + internal_format, + loader->src.egl_image.width, + loader->src.egl_image.height); + + return TRUE; +} +#endif + +static CoglBool +allocate_from_gl_foreign (CoglTexture2D *tex_2d, + CoglTextureLoader *loader, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2d); + CoglContext *ctx = tex->context; + CoglPixelFormat format = loader->src.gl_foreign.format; + GLenum gl_error = 0; + GLint gl_compressed = GL_FALSE; + GLenum gl_int_format = 0; + + if (!ctx->texture_driver->allows_foreign_gl_target (ctx, GL_TEXTURE_2D)) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Foreign GL_TEXTURE_2D textures are not " + "supported by your system"); + return FALSE; + } + + /* Make sure binding succeeds */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + _cogl_bind_gl_texture_transient (GL_TEXTURE_2D, + loader->src.gl_foreign.gl_handle, TRUE); + if (ctx->glGetError () != GL_NO_ERROR) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Failed to bind foreign GL_TEXTURE_2D texture"); + return FALSE; + } + + /* Obtain texture parameters + (only level 0 we are interested in) */ + +#ifdef HAVE_COGL_GL + if (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_QUERY_TEXTURE_PARAMETERS)) + { + GE( ctx, glGetTexLevelParameteriv (GL_TEXTURE_2D, 0, + GL_TEXTURE_COMPRESSED, + &gl_compressed) ); + + { + GLint val; + + GE( ctx, glGetTexLevelParameteriv (GL_TEXTURE_2D, 0, + GL_TEXTURE_INTERNAL_FORMAT, + &val) ); + + gl_int_format = val; + } + + /* If we can query GL for the actual pixel format then we'll ignore + the passed in format and use that. */ + if (!ctx->driver_vtable->pixel_format_from_gl_internal (ctx, + gl_int_format, + &format)) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Unsupported internal format for foreign texture"); + return FALSE; + } + } + else +#endif + { + /* Otherwise we'll assume we can derive the GL format from the + passed in format */ + ctx->driver_vtable->pixel_format_to_gl (ctx, + format, + &gl_int_format, + NULL, + NULL); + } + + /* Compressed texture images not supported */ + if (gl_compressed == GL_TRUE) + { + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Compressed foreign textures aren't currently supported"); + return FALSE; + } + + /* Note: previously this code would query the texture object for + whether it has GL_GENERATE_MIPMAP enabled to determine whether to + auto-generate the mipmap. This doesn't make much sense any more + since Cogl switch to using glGenerateMipmap. Ideally I think + cogl_texture_2d_gl_new_from_foreign should take a flags parameter so + that the application can decide whether it wants + auto-mipmapping. To be compatible with existing code, Cogl now + disables its own auto-mipmapping but leaves the value of + GL_GENERATE_MIPMAP alone so that it would still work but without + the dirtiness tracking that Cogl would do. */ + + _cogl_texture_2d_set_auto_mipmap (COGL_TEXTURE (tex_2d), FALSE); + + /* Setup bitmap info */ + tex_2d->is_foreign = TRUE; + tex_2d->mipmaps_dirty = TRUE; + + tex_2d->gl_texture = loader->src.gl_foreign.gl_handle; + tex_2d->gl_internal_format = gl_int_format; + + /* Unknown filter */ + tex_2d->gl_legacy_texobj_min_filter = GL_FALSE; + tex_2d->gl_legacy_texobj_mag_filter = GL_FALSE; + + tex_2d->internal_format = format; + + _cogl_texture_set_allocated (tex, + format, + loader->src.gl_foreign.width, + loader->src.gl_foreign.height); + return TRUE; +} + +CoglBool +_cogl_texture_2d_gl_allocate (CoglTexture *tex, + CoglError **error) +{ + CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex); + CoglTextureLoader *loader = tex->loader; + + _COGL_RETURN_VAL_IF_FAIL (loader, FALSE); + + switch (loader->src_type) + { + case COGL_TEXTURE_SOURCE_TYPE_SIZED: + return allocate_with_size (tex_2d, loader, error); + case COGL_TEXTURE_SOURCE_TYPE_BITMAP: + return allocate_from_bitmap (tex_2d, loader, error); + case COGL_TEXTURE_SOURCE_TYPE_EGL_IMAGE: +#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base) + return allocate_from_egl_image (tex_2d, loader, error); +#else + g_return_val_if_reached (FALSE); +#endif + case COGL_TEXTURE_SOURCE_TYPE_GL_FOREIGN: + return allocate_from_gl_foreign (tex_2d, loader, error); + } + + g_return_val_if_reached (FALSE); +} + +void +_cogl_texture_2d_gl_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter) +{ + CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex); + CoglContext *ctx = tex->context; + + if (min_filter == tex_2d->gl_legacy_texobj_min_filter + && mag_filter == tex_2d->gl_legacy_texobj_mag_filter) + return; + + /* Store new values */ + tex_2d->gl_legacy_texobj_min_filter = min_filter; + tex_2d->gl_legacy_texobj_mag_filter = mag_filter; + + /* Apply new filters to the texture */ + _cogl_bind_gl_texture_transient (GL_TEXTURE_2D, + tex_2d->gl_texture, + tex_2d->is_foreign); + GE( ctx, glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter) ); + GE( ctx, glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter) ); +} + +void +_cogl_texture_2d_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p) +{ + CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex); + CoglContext *ctx = tex->context; + + /* Only set the wrap mode if it's different from the current value + to avoid too many GL calls. Texture 2D doesn't make use of the r + coordinate so we can ignore its wrap mode */ + if (tex_2d->gl_legacy_texobj_wrap_mode_s != wrap_mode_s || + tex_2d->gl_legacy_texobj_wrap_mode_t != wrap_mode_t) + { + _cogl_bind_gl_texture_transient (GL_TEXTURE_2D, + tex_2d->gl_texture, + tex_2d->is_foreign); + GE( ctx, glTexParameteri (GL_TEXTURE_2D, + GL_TEXTURE_WRAP_S, + wrap_mode_s) ); + GE( ctx, glTexParameteri (GL_TEXTURE_2D, + GL_TEXTURE_WRAP_T, + wrap_mode_t) ); + + tex_2d->gl_legacy_texobj_wrap_mode_s = wrap_mode_s; + tex_2d->gl_legacy_texobj_wrap_mode_t = wrap_mode_t; + } +} + +CoglTexture2D * +cogl_texture_2d_gl_new_from_foreign (CoglContext *ctx, + unsigned int gl_handle, + int width, + int height, + CoglPixelFormat format) +{ + CoglTextureLoader *loader; + + /* NOTE: width, height and internal format are not queriable + * in GLES, hence such a function prototype. + */ + + /* Note: We always trust the given width and height without querying + * the texture object because the user may be creating a Cogl + * texture for a texture_from_pixmap object where glTexImage2D may + * not have been called and the texture_from_pixmap spec doesn't + * clarify that it is reliable to query back the size from OpenGL. + */ + + /* Assert it is a valid GL texture object */ + _COGL_RETURN_VAL_IF_FAIL (ctx->glIsTexture (gl_handle), FALSE); + + /* Validate width and height */ + _COGL_RETURN_VAL_IF_FAIL (width > 0 && height > 0, NULL); + + loader = _cogl_texture_create_loader (); + loader->src_type = COGL_TEXTURE_SOURCE_TYPE_GL_FOREIGN; + loader->src.gl_foreign.gl_handle = gl_handle; + loader->src.gl_foreign.width = width; + loader->src.gl_foreign.height = height; + loader->src.gl_foreign.format = format; + + return _cogl_texture_2d_create_base (ctx, width, height, format, loader); +} + +void +_cogl_texture_2d_gl_copy_from_framebuffer (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglFramebuffer *src_fb, + int dst_x, + int dst_y, + int level) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2d); + CoglContext *ctx = tex->context; + + /* Make sure the current framebuffers are bound, though we don't need to + * flush the clip state here since we aren't going to draw to the + * framebuffer. */ + _cogl_framebuffer_flush_state (ctx->current_draw_buffer, + src_fb, + COGL_FRAMEBUFFER_STATE_ALL & + ~COGL_FRAMEBUFFER_STATE_CLIP); + + _cogl_bind_gl_texture_transient (GL_TEXTURE_2D, + tex_2d->gl_texture, + tex_2d->is_foreign); + + ctx->glCopyTexSubImage2D (GL_TEXTURE_2D, + 0, /* level */ + dst_x, dst_y, + src_x, src_y, + width, height); +} + +unsigned int +_cogl_texture_2d_gl_get_gl_handle (CoglTexture2D *tex_2d) +{ + return tex_2d->gl_texture; +} + +void +_cogl_texture_2d_gl_generate_mipmap (CoglTexture2D *tex_2d) +{ + CoglContext *ctx = COGL_TEXTURE (tex_2d)->context; + + /* glGenerateMipmap is defined in the FBO extension. If it's not + available we'll fallback to temporarily enabling + GL_GENERATE_MIPMAP and reuploading the first pixel */ + if (cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN)) + _cogl_texture_gl_generate_mipmaps (COGL_TEXTURE (tex_2d)); +#if defined(HAVE_COGL_GLES) || defined(HAVE_COGL_GL) + else + { + _cogl_bind_gl_texture_transient (GL_TEXTURE_2D, + tex_2d->gl_texture, + tex_2d->is_foreign); + + GE( ctx, glTexParameteri (GL_TEXTURE_2D, + GL_GENERATE_MIPMAP, + GL_TRUE) ); + GE( ctx, glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, 1, 1, + tex_2d->first_pixel.gl_format, + tex_2d->first_pixel.gl_type, + tex_2d->first_pixel.data) ); + GE( ctx, glTexParameteri (GL_TEXTURE_2D, + GL_GENERATE_MIPMAP, + GL_FALSE) ); + } +#endif +} + +CoglBool +_cogl_texture_2d_gl_copy_from_bitmap (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglBitmap *bmp, + int dst_x, + int dst_y, + int level, + CoglError **error) +{ + CoglTexture *tex = COGL_TEXTURE (tex_2d); + CoglContext *ctx = tex->context; + CoglBitmap *upload_bmp; + CoglPixelFormat upload_format; + GLenum gl_format; + GLenum gl_type; + CoglBool status = TRUE; + + upload_bmp = + _cogl_bitmap_convert_for_upload (bmp, + _cogl_texture_get_format (tex), + FALSE, /* can't convert in place */ + error); + if (upload_bmp == NULL) + return FALSE; + + upload_format = cogl_bitmap_get_format (upload_bmp); + + ctx->driver_vtable->pixel_format_to_gl (ctx, + upload_format, + NULL, /* internal format */ + &gl_format, + &gl_type); + + /* If this touches the first pixel then we'll update our copy */ + if (dst_x == 0 && dst_y == 0 && + !cogl_has_feature (ctx, COGL_FEATURE_ID_OFFSCREEN)) + { + CoglError *ignore = NULL; + uint8_t *data = + _cogl_bitmap_map (upload_bmp, COGL_BUFFER_ACCESS_READ, 0, &ignore); + CoglPixelFormat bpp = + _cogl_pixel_format_get_bytes_per_pixel (upload_format); + + tex_2d->first_pixel.gl_format = gl_format; + tex_2d->first_pixel.gl_type = gl_type; + + if (data) + { + memcpy (tex_2d->first_pixel.data, + (data + + cogl_bitmap_get_rowstride (upload_bmp) * src_y + + bpp * src_x), + bpp); + _cogl_bitmap_unmap (bmp); + } + else + { + g_warning ("Failed to read first bitmap pixel for " + "glGenerateMipmap fallback"); + cogl_error_free (ignore); + memset (tex_2d->first_pixel.data, 0, bpp); + } + } + + status = ctx->texture_driver->upload_subregion_to_gl (ctx, + tex, + FALSE, + src_x, src_y, + dst_x, dst_y, + width, height, + level, + upload_bmp, + gl_format, + gl_type, + error); + + cogl_object_unref (upload_bmp); + + _cogl_texture_gl_maybe_update_max_level (tex, level); + + return status; +} + +void +_cogl_texture_2d_gl_get_data (CoglTexture2D *tex_2d, + CoglPixelFormat format, + int rowstride, + uint8_t *data) +{ + CoglContext *ctx = COGL_TEXTURE (tex_2d)->context; + int bpp; + int width = COGL_TEXTURE (tex_2d)->width; + GLenum gl_format; + GLenum gl_type; + + bpp = _cogl_pixel_format_get_bytes_per_pixel (format); + + ctx->driver_vtable->pixel_format_to_gl (ctx, + format, + NULL, /* internal format */ + &gl_format, + &gl_type); + + ctx->texture_driver->prep_gl_for_pixels_download (ctx, + rowstride, + width, + bpp); + + _cogl_bind_gl_texture_transient (GL_TEXTURE_2D, + tex_2d->gl_texture, + tex_2d->is_foreign); + + ctx->texture_driver->gl_get_tex_image (ctx, + GL_TEXTURE_2D, + gl_format, + gl_type, + data); +} diff --git a/cogl/driver/gl/cogl-texture-gl-private.h b/cogl/driver/gl/cogl-texture-gl-private.h new file mode 100644 index 0000000..b5baac7 --- /dev/null +++ b/cogl/driver/gl/cogl-texture-gl-private.h @@ -0,0 +1,66 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifndef _COGL_TEXTURE_GL_PRIVATE_H_ +#define _COGL_TEXTURE_GL_PRIVATE_H_ + +#include "cogl-context.h" + +void +_cogl_texture_gl_prep_alignment_for_pixels_upload (CoglContext *ctx, + int pixels_rowstride); + +void +_cogl_texture_gl_prep_alignment_for_pixels_download (CoglContext *ctx, + int bpp, + int width, + int rowstride); + +void +_cogl_texture_gl_flush_legacy_texobj_wrap_modes (CoglTexture *texture, + unsigned int wrap_mode_s, + unsigned int wrap_mode_t, + unsigned int wrap_mode_p); + +void +_cogl_texture_gl_flush_legacy_texobj_filters (CoglTexture *texture, + unsigned int min_filter, + unsigned int mag_filter); + +void +_cogl_texture_gl_maybe_update_max_level (CoglTexture *texture, + int max_level); + +void +_cogl_texture_gl_generate_mipmaps (CoglTexture *texture); + +GLenum +_cogl_texture_gl_get_format (CoglTexture *texture); + +#endif /* _COGL_TEXTURE_GL_PRIVATE_H_ */ diff --git a/cogl/driver/gl/cogl-texture-gl.c b/cogl/driver/gl/cogl-texture-gl.c new file mode 100644 index 0000000..2e281c0 --- /dev/null +++ b/cogl/driver/gl/cogl-texture-gl.c @@ -0,0 +1,158 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifdef HAVE_STRINGS_H +#include +#endif + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-texture-gl-private.h" +#include "cogl-texture-3d-private.h" +#include "cogl-util.h" +#include "cogl-pipeline-opengl-private.h" + +static inline int +calculate_alignment (int rowstride) +{ + int alignment = 1 << (_cogl_util_ffs (rowstride) - 1); + + return MIN (alignment, 8); +} + +void +_cogl_texture_gl_prep_alignment_for_pixels_upload (CoglContext *ctx, + int pixels_rowstride) +{ + GE( ctx, glPixelStorei (GL_UNPACK_ALIGNMENT, + calculate_alignment (pixels_rowstride)) ); +} + +void +_cogl_texture_gl_prep_alignment_for_pixels_download (CoglContext *ctx, + int bpp, + int width, + int rowstride) +{ + int alignment; + + /* If no padding is needed then we can always use an alignment of 1. + * We want to do this even though it is equivalent to the alignment + * of the rowstride because the Intel driver in Mesa currently has + * an optimisation when reading data into a PBO that only works if + * the alignment is exactly 1. + * + * https://bugs.freedesktop.org/show_bug.cgi?id=46632 + */ + + if (rowstride == bpp * width) + alignment = 1; + else + alignment = calculate_alignment (rowstride); + + GE( ctx, glPixelStorei (GL_PACK_ALIGNMENT, alignment) ); +} + +void +_cogl_texture_gl_flush_legacy_texobj_wrap_modes (CoglTexture *texture, + unsigned int wrap_mode_s, + unsigned int wrap_mode_t, + unsigned int wrap_mode_p) +{ + texture->vtable->gl_flush_legacy_texobj_wrap_modes (texture, + wrap_mode_s, + wrap_mode_t, + wrap_mode_p); +} + +void +_cogl_texture_gl_flush_legacy_texobj_filters (CoglTexture *texture, + unsigned int min_filter, + unsigned int mag_filter) +{ + texture->vtable->gl_flush_legacy_texobj_filters (texture, + min_filter, mag_filter); +} + +void +_cogl_texture_gl_maybe_update_max_level (CoglTexture *texture, + int max_level) +{ + /* This isn't supported on GLES */ +#ifdef HAVE_COGL_GL + CoglContext *ctx = texture->context; + + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_TEXTURE_MAX_LEVEL) && + texture->max_level < max_level) + { + CoglContext *ctx = texture->context; + GLuint gl_handle; + GLenum gl_target; + + cogl_texture_get_gl_texture (texture, &gl_handle, &gl_target); + + texture->max_level = max_level; + + _cogl_bind_gl_texture_transient (gl_target, + gl_handle, + _cogl_texture_is_foreign (texture)); + + GE( ctx, glTexParameteri (gl_target, + GL_TEXTURE_MAX_LEVEL, texture->max_level)); + } +#endif /* HAVE_COGL_GL */ +} + +void +_cogl_texture_gl_generate_mipmaps (CoglTexture *texture) +{ + CoglContext *ctx = texture->context; + int n_levels = _cogl_texture_get_n_levels (texture); + GLuint gl_handle; + GLenum gl_target; + + _cogl_texture_gl_maybe_update_max_level (texture, n_levels - 1); + + cogl_texture_get_gl_texture (texture, &gl_handle, &gl_target); + + _cogl_bind_gl_texture_transient (gl_target, + gl_handle, + _cogl_texture_is_foreign (texture)); + GE( ctx, glGenerateMipmap (gl_target) ); +} + +GLenum +_cogl_texture_gl_get_format (CoglTexture *texture) +{ + return texture->vtable->get_gl_format (texture); +} diff --git a/cogl/driver/gl/cogl-util-gl-private.h b/cogl/driver/gl/cogl-util-gl-private.h new file mode 100644 index 0000000..dcc61c0 --- /dev/null +++ b/cogl/driver/gl/cogl-util-gl-private.h @@ -0,0 +1,93 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012, 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#ifndef _COGL_UTIL_GL_PRIVATE_H_ + +#include "cogl-types.h" +#include "cogl-context.h" +#include "cogl-gl-header.h" +#include "cogl-texture.h" + +#ifdef COGL_GL_DEBUG + +const char * +_cogl_gl_error_to_string (GLenum error_code); + +#define GE(ctx, x) G_STMT_START { \ + GLenum __err; \ + (ctx)->x; \ + while ((__err = (ctx)->glGetError ()) != GL_NO_ERROR) \ + { \ + g_warning ("%s: GL error (%d): %s\n", \ + G_STRLOC, \ + __err, \ + _cogl_gl_error_to_string (__err)); \ + } } G_STMT_END + +#define GE_RET(ret, ctx, x) G_STMT_START { \ + GLenum __err; \ + ret = (ctx)->x; \ + while ((__err = (ctx)->glGetError ()) != GL_NO_ERROR) \ + { \ + g_warning ("%s: GL error (%d): %s\n", \ + G_STRLOC, \ + __err, \ + _cogl_gl_error_to_string (__err)); \ + } } G_STMT_END + +#else /* !COGL_GL_DEBUG */ + +#define GE(ctx, x) ((ctx)->x) +#define GE_RET(ret, ctx, x) (ret = ((ctx)->x)) + +#endif /* COGL_GL_DEBUG */ + +CoglBool +_cogl_gl_util_catch_out_of_memory (CoglContext *ctx, CoglError **error); + +void +_cogl_gl_util_get_texture_target_string (CoglTextureType texture_type, + const char **target_string_out, + const char **swizzle_out); + +/* Parses a GL version number stored in a string. @version_string must + * point to the beginning of the version number (ie, it can't point to + * the "OpenGL ES" part on GLES). The version number can be followed + * by the end of the string, a space or a full stop. Anything else + * will be treated as invalid. Returns TRUE and sets major_out and + * minor_out if it is succesfully parsed or FALSE otherwise. */ +CoglBool +_cogl_gl_util_parse_gl_version (const char *version_string, + int *major_out, + int *minor_out); + +#endif /* _COGL_UTIL_GL_PRIVATE_H_ */ diff --git a/cogl/driver/gl/cogl-util-gl.c b/cogl/driver/gl/cogl-util-gl.c new file mode 100644 index 0000000..814621a --- /dev/null +++ b/cogl/driver/gl/cogl-util-gl.c @@ -0,0 +1,181 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012, 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-types.h" +#include "cogl-context-private.h" +#include "cogl-error-private.h" +#include "cogl-util-gl-private.h" + +#ifdef COGL_GL_DEBUG +/* GL error to string conversion */ +static const struct { + GLuint error_code; + const char *error_string; +} gl_errors[] = { + { GL_NO_ERROR, "No error" }, + { GL_INVALID_ENUM, "Invalid enumeration value" }, + { GL_INVALID_VALUE, "Invalid value" }, + { GL_INVALID_OPERATION, "Invalid operation" }, +#ifdef HAVE_COGL_GL + { GL_STACK_OVERFLOW, "Stack overflow" }, + { GL_STACK_UNDERFLOW, "Stack underflow" }, +#endif + { GL_OUT_OF_MEMORY, "Out of memory" }, + +#ifdef GL_INVALID_FRAMEBUFFER_OPERATION_EXT + { GL_INVALID_FRAMEBUFFER_OPERATION_EXT, "Invalid framebuffer operation" } +#endif +}; + +static const unsigned int n_gl_errors = G_N_ELEMENTS (gl_errors); + +const char * +_cogl_gl_error_to_string (GLenum error_code) +{ + int i; + + for (i = 0; i < n_gl_errors; i++) + { + if (gl_errors[i].error_code == error_code) + return gl_errors[i].error_string; + } + + return "Unknown GL error"; +} +#endif /* COGL_GL_DEBUG */ + +CoglBool +_cogl_gl_util_catch_out_of_memory (CoglContext *ctx, CoglError **error) +{ + GLenum gl_error; + CoglBool out_of_memory = FALSE; + + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + { + if (gl_error == GL_OUT_OF_MEMORY) + out_of_memory = TRUE; +#ifdef COGL_GL_DEBUG + else + { + g_warning ("%s: GL error (%d): %s\n", + G_STRLOC, + gl_error, + _cogl_gl_error_to_string (gl_error)); + } +#endif + } + + if (out_of_memory) + { + _cogl_set_error (error, COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_NO_MEMORY, + "Out of memory"); + return TRUE; + } + + return FALSE; +} + +void +_cogl_gl_util_get_texture_target_string (CoglTextureType texture_type, + const char **target_string_out, + const char **swizzle_out) +{ + const char *target_string, *tex_coord_swizzle; + + switch (texture_type) + { +#if 0 /* TODO */ + case COGL_TEXTURE_TYPE_1D: + target_string = "1D"; + tex_coord_swizzle = "s"; + break; +#endif + + case COGL_TEXTURE_TYPE_2D: + target_string = "2D"; + tex_coord_swizzle = "st"; + break; + + case COGL_TEXTURE_TYPE_3D: + target_string = "3D"; + tex_coord_swizzle = "stp"; + break; + + case COGL_TEXTURE_TYPE_RECTANGLE: + target_string = "2DRect"; + tex_coord_swizzle = "st"; + break; + } + + if (target_string_out) + *target_string_out = target_string; + if (swizzle_out) + *swizzle_out = tex_coord_swizzle; +} + +CoglBool +_cogl_gl_util_parse_gl_version (const char *version_string, + int *major_out, + int *minor_out) +{ + const char *major_end, *minor_end; + int major = 0, minor = 0; + + /* Extract the major number */ + for (major_end = version_string; *major_end >= '0' + && *major_end <= '9'; major_end++) + major = (major * 10) + *major_end - '0'; + /* If there were no digits or the major number isn't followed by a + dot then it is invalid */ + if (major_end == version_string || *major_end != '.') + return FALSE; + + /* Extract the minor number */ + for (minor_end = major_end + 1; *minor_end >= '0' + && *minor_end <= '9'; minor_end++) + minor = (minor * 10) + *minor_end - '0'; + /* If there were no digits or there is an unexpected character then + it is invalid */ + if (minor_end == major_end + 1 + || (*minor_end && *minor_end != ' ' && *minor_end != '.')) + return FALSE; + + *major_out = major; + *minor_out = minor; + + return TRUE; +} diff --git a/cogl/driver/gl/gl/cogl-driver-gl.c b/cogl/driver/gl/gl/cogl-driver-gl.c new file mode 100644 index 0000000..0bcb9ce --- /dev/null +++ b/cogl/driver/gl/gl/cogl-driver-gl.c @@ -0,0 +1,699 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-private.h" +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-feature-private.h" +#include "cogl-renderer-private.h" +#include "cogl-error-private.h" +#include "cogl-framebuffer-gl-private.h" +#include "cogl-texture-2d-gl-private.h" +#include "cogl-attribute-gl-private.h" +#include "cogl-clip-stack-gl-private.h" +#include "cogl-buffer-gl-private.h" + +static CoglBool +_cogl_driver_pixel_format_from_gl_internal (CoglContext *context, + GLenum gl_int_format, + CoglPixelFormat *out_format) +{ + /* It doesn't really matter we convert to exact same + format (some have no cogl match anyway) since format + is re-matched against cogl when getting or setting + texture image data. + */ + + switch (gl_int_format) + { + case GL_ALPHA: case GL_ALPHA4: case GL_ALPHA8: + case GL_ALPHA12: case GL_ALPHA16: + /* Cogl only supports one single-component texture so if we have + * ended up with a red texture then it is probably being used as + * a component-alpha texture */ + case GL_RED: + + *out_format = COGL_PIXEL_FORMAT_A_8; + return TRUE; + + case GL_LUMINANCE: case GL_LUMINANCE4: case GL_LUMINANCE8: + case GL_LUMINANCE12: case GL_LUMINANCE16: + + *out_format = COGL_PIXEL_FORMAT_G_8; + return TRUE; + + case GL_RG: + *out_format = COGL_PIXEL_FORMAT_RG_88; + return TRUE; + + case GL_RGB: case GL_RGB4: case GL_RGB5: case GL_RGB8: + case GL_RGB10: case GL_RGB12: case GL_RGB16: case GL_R3_G3_B2: + + *out_format = COGL_PIXEL_FORMAT_RGB_888; + return TRUE; + + case GL_RGBA: case GL_RGBA2: case GL_RGBA4: case GL_RGB5_A1: + case GL_RGBA8: case GL_RGB10_A2: case GL_RGBA12: case GL_RGBA16: + + *out_format = COGL_PIXEL_FORMAT_RGBA_8888; + return TRUE; + } + + return FALSE; +} + +static CoglPixelFormat +_cogl_driver_pixel_format_to_gl (CoglContext *context, + CoglPixelFormat format, + GLenum *out_glintformat, + GLenum *out_glformat, + GLenum *out_gltype) +{ + CoglPixelFormat required_format; + GLenum glintformat; + GLenum glformat = 0; + GLenum gltype; + + required_format = format; + + /* Find GL equivalents */ + switch (format) + { + case COGL_PIXEL_FORMAT_A_8: + /* If the driver doesn't natively support alpha textures then we + * will use a red component texture with a swizzle to implement + * the texture */ + if (_cogl_has_private_feature + (context, COGL_PRIVATE_FEATURE_ALPHA_TEXTURES) == 0) + { + glintformat = GL_RED; + glformat = GL_RED; + } + else + { + glintformat = GL_ALPHA; + glformat = GL_ALPHA; + } + gltype = GL_UNSIGNED_BYTE; + break; + case COGL_PIXEL_FORMAT_G_8: + glintformat = GL_LUMINANCE; + glformat = GL_LUMINANCE; + gltype = GL_UNSIGNED_BYTE; + break; + + case COGL_PIXEL_FORMAT_RG_88: + if (cogl_has_feature (context, COGL_FEATURE_ID_TEXTURE_RG)) + { + glintformat = GL_RG; + glformat = GL_RG; + } + else + { + /* If red-green textures aren't supported then we'll use RGB + * as an internal format. Note this should only end up + * mattering for downloading the data because Cogl will + * refuse to allocate a texture with RG components if RG + * textures aren't supported */ + glintformat = GL_RGB; + glformat = GL_RGB; + required_format = COGL_PIXEL_FORMAT_RGB_888; + } + gltype = GL_UNSIGNED_BYTE; + break; + + case COGL_PIXEL_FORMAT_RGB_888: + glintformat = GL_RGB; + glformat = GL_RGB; + gltype = GL_UNSIGNED_BYTE; + break; + case COGL_PIXEL_FORMAT_BGR_888: + glintformat = GL_RGB; + glformat = GL_BGR; + gltype = GL_UNSIGNED_BYTE; + break; + case COGL_PIXEL_FORMAT_RGBA_8888: + case COGL_PIXEL_FORMAT_RGBA_8888_PRE: + glintformat = GL_RGBA; + glformat = GL_RGBA; + gltype = GL_UNSIGNED_BYTE; + break; + case COGL_PIXEL_FORMAT_BGRA_8888: + case COGL_PIXEL_FORMAT_BGRA_8888_PRE: + glintformat = GL_RGBA; + glformat = GL_BGRA; + gltype = GL_UNSIGNED_BYTE; + break; + + /* The following two types of channel ordering + * have no GL equivalent unless defined using + * system word byte ordering */ + case COGL_PIXEL_FORMAT_ARGB_8888: + case COGL_PIXEL_FORMAT_ARGB_8888_PRE: + glintformat = GL_RGBA; + glformat = GL_BGRA; +#if G_BYTE_ORDER == G_LITTLE_ENDIAN + gltype = GL_UNSIGNED_INT_8_8_8_8; +#else + gltype = GL_UNSIGNED_INT_8_8_8_8_REV; +#endif + break; + + case COGL_PIXEL_FORMAT_ABGR_8888: + case COGL_PIXEL_FORMAT_ABGR_8888_PRE: + glintformat = GL_RGBA; + glformat = GL_RGBA; +#if G_BYTE_ORDER == G_LITTLE_ENDIAN + gltype = GL_UNSIGNED_INT_8_8_8_8; +#else + gltype = GL_UNSIGNED_INT_8_8_8_8_REV; +#endif + break; + + case COGL_PIXEL_FORMAT_RGBA_1010102: + case COGL_PIXEL_FORMAT_RGBA_1010102_PRE: + glintformat = GL_RGBA; + glformat = GL_RGBA; + gltype = GL_UNSIGNED_INT_10_10_10_2; + break; + + case COGL_PIXEL_FORMAT_BGRA_1010102: + case COGL_PIXEL_FORMAT_BGRA_1010102_PRE: + glintformat = GL_RGBA; + glformat = GL_BGRA; + gltype = GL_UNSIGNED_INT_10_10_10_2; + break; + + case COGL_PIXEL_FORMAT_ABGR_2101010: + case COGL_PIXEL_FORMAT_ABGR_2101010_PRE: + glintformat = GL_RGBA; + glformat = GL_RGBA; + gltype = GL_UNSIGNED_INT_2_10_10_10_REV; + break; + + case COGL_PIXEL_FORMAT_ARGB_2101010: + case COGL_PIXEL_FORMAT_ARGB_2101010_PRE: + glintformat = GL_RGBA; + glformat = GL_BGRA; + gltype = GL_UNSIGNED_INT_2_10_10_10_REV; + break; + + /* The following three types of channel ordering + * are always defined using system word byte + * ordering (even according to GLES spec) */ + case COGL_PIXEL_FORMAT_RGB_565: + glintformat = GL_RGB; + glformat = GL_RGB; + gltype = GL_UNSIGNED_SHORT_5_6_5; + break; + case COGL_PIXEL_FORMAT_RGBA_4444: + case COGL_PIXEL_FORMAT_RGBA_4444_PRE: + glintformat = GL_RGBA; + glformat = GL_RGBA; + gltype = GL_UNSIGNED_SHORT_4_4_4_4; + break; + case COGL_PIXEL_FORMAT_RGBA_5551: + case COGL_PIXEL_FORMAT_RGBA_5551_PRE: + glintformat = GL_RGBA; + glformat = GL_RGBA; + gltype = GL_UNSIGNED_SHORT_5_5_5_1; + break; + + case COGL_PIXEL_FORMAT_DEPTH_16: + glintformat = GL_DEPTH_COMPONENT16; + glformat = GL_DEPTH_COMPONENT; + gltype = GL_UNSIGNED_SHORT; + break; + case COGL_PIXEL_FORMAT_DEPTH_32: + glintformat = GL_DEPTH_COMPONENT32; + glformat = GL_DEPTH_COMPONENT; + gltype = GL_UNSIGNED_INT; + break; + + case COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8: + glintformat = GL_DEPTH_STENCIL; + glformat = GL_DEPTH_STENCIL; + gltype = GL_UNSIGNED_INT_24_8; + break; + + case COGL_PIXEL_FORMAT_ANY: + case COGL_PIXEL_FORMAT_YUV: + g_assert_not_reached (); + break; + } + + /* All of the pixel formats are handled above so if this hits then + we've been given an invalid pixel format */ + g_assert (glformat != 0); + + if (out_glintformat != NULL) + *out_glintformat = glintformat; + if (out_glformat != NULL) + *out_glformat = glformat; + if (out_gltype != NULL) + *out_gltype = gltype; + + return required_format; +} + +static CoglBool +_cogl_get_gl_version (CoglContext *ctx, + int *major_out, + int *minor_out) +{ + const char *version_string; + + /* Get the OpenGL version number */ + if ((version_string = _cogl_context_get_gl_version (ctx)) == NULL) + return FALSE; + + return _cogl_gl_util_parse_gl_version (version_string, major_out, minor_out); +} + +static CoglBool +check_gl_version (CoglContext *ctx, + char **gl_extensions, + CoglError **error) +{ + int major, minor; + + if (!_cogl_get_gl_version (ctx, &major, &minor)) + { + _cogl_set_error (error, + COGL_DRIVER_ERROR, + COGL_DRIVER_ERROR_UNKNOWN_VERSION, + "The OpenGL version could not be determined"); + return FALSE; + } + + /* GL 1.3 supports all of the required functionality in core */ + if (COGL_CHECK_GL_VERSION (major, minor, 1, 3)) + return TRUE; + + /* OpenGL 1.2 is only supported if we have the multitexturing + extension */ + if (!_cogl_check_extension ("GL_ARB_multitexture", gl_extensions)) + { + _cogl_set_error (error, + COGL_DRIVER_ERROR, + COGL_DRIVER_ERROR_INVALID_VERSION, + "The OpenGL driver is missing " + "the GL_ARB_multitexture extension"); + return FALSE; + } + + /* OpenGL 1.2 is required */ + if (!COGL_CHECK_GL_VERSION (major, minor, 1, 2)) + { + _cogl_set_error (error, + COGL_DRIVER_ERROR, + COGL_DRIVER_ERROR_INVALID_VERSION, + "The OpenGL version of your driver (%i.%i) " + "is not compatible with Cogl", + major, minor); + return FALSE; + } + + return TRUE; +} + +static CoglBool +_cogl_driver_update_features (CoglContext *ctx, + CoglError **error) +{ + CoglFeatureFlags flags = 0; + unsigned long private_features + [COGL_FLAGS_N_LONGS_FOR_SIZE (COGL_N_PRIVATE_FEATURES)] = { 0 }; + char **gl_extensions; + int gl_major = 0, gl_minor = 0; + int i; + + /* We have to special case getting the pointer to the glGetString* + functions because we need to use them to determine what functions + we can expect */ + ctx->glGetString = + (void *) _cogl_renderer_get_proc_address (ctx->display->renderer, + "glGetString", + TRUE); + ctx->glGetStringi = + (void *) _cogl_renderer_get_proc_address (ctx->display->renderer, + "glGetStringi", + TRUE); + ctx->glGetIntegerv = + (void *) _cogl_renderer_get_proc_address (ctx->display->renderer, + "glGetIntegerv", + TRUE); + + gl_extensions = _cogl_context_get_gl_extensions (ctx); + + if (!check_gl_version (ctx, gl_extensions, error)) + return FALSE; + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_WINSYS))) + { + char *all_extensions = g_strjoinv (" ", gl_extensions); + + COGL_NOTE (WINSYS, + "Checking features\n" + " GL_VENDOR: %s\n" + " GL_RENDERER: %s\n" + " GL_VERSION: %s\n" + " GL_EXTENSIONS: %s", + ctx->glGetString (GL_VENDOR), + ctx->glGetString (GL_RENDERER), + _cogl_context_get_gl_version (ctx), + all_extensions); + + g_free (all_extensions); + } + + _cogl_get_gl_version (ctx, &gl_major, &gl_minor); + + _cogl_gpu_info_init (ctx, &ctx->gpu); + + ctx->glsl_major = 1; + ctx->glsl_minor = 1; + + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 2, 0)) + { + const char *glsl_version = + (char *)ctx->glGetString (GL_SHADING_LANGUAGE_VERSION); + _cogl_gl_util_parse_gl_version (glsl_version, + &ctx->glsl_major, + &ctx->glsl_minor); + } + + if (COGL_CHECK_GL_VERSION (ctx->glsl_major, ctx->glsl_minor, 1, 2)) + /* We want to use version 120 if it is available so that the + * gl_PointCoord can be used. */ + ctx->glsl_version_to_use = 120; + else + ctx->glsl_version_to_use = 110; + + flags = (COGL_FEATURE_TEXTURE_READ_PIXELS + | COGL_FEATURE_UNSIGNED_INT_INDICES + | COGL_FEATURE_DEPTH_RANGE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_UNSIGNED_INT_INDICES, TRUE); + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_DEPTH_RANGE, TRUE); + + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 1, 4)) + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_MIRRORED_REPEAT, TRUE); + + _cogl_feature_check_ext_functions (ctx, + gl_major, + gl_minor, + gl_extensions); + + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 2, 0) || + _cogl_check_extension ("GL_ARB_texture_non_power_of_two", gl_extensions)) + { + flags |= COGL_FEATURE_TEXTURE_NPOT + | COGL_FEATURE_TEXTURE_NPOT_BASIC + | COGL_FEATURE_TEXTURE_NPOT_MIPMAP + | COGL_FEATURE_TEXTURE_NPOT_REPEAT; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_TEXTURE_NPOT, TRUE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, TRUE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP, TRUE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT, TRUE); + } + + if (_cogl_check_extension ("GL_MESA_pack_invert", gl_extensions)) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_MESA_PACK_INVERT, TRUE); + + if (ctx->glGenRenderbuffers) + { + flags |= COGL_FEATURE_OFFSCREEN; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_OFFSCREEN, TRUE); + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_QUERY_FRAMEBUFFER_BITS, + TRUE); + } + + if (ctx->glBlitFramebuffer) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_OFFSCREEN_BLIT, TRUE); + + if (ctx->glRenderbufferStorageMultisampleIMG) + { + flags |= COGL_FEATURE_OFFSCREEN_MULTISAMPLE; + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_OFFSCREEN_MULTISAMPLE, TRUE); + } + + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 3, 0) || + _cogl_check_extension ("GL_ARB_depth_texture", gl_extensions)) + { + flags |= COGL_FEATURE_DEPTH_TEXTURE; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_DEPTH_TEXTURE, TRUE); + } + + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 2, 1) || + _cogl_check_extension ("GL_EXT_pixel_buffer_object", gl_extensions)) + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_PBOS, TRUE); + + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 1, 4) || + _cogl_check_extension ("GL_EXT_blend_color", gl_extensions)) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_BLEND_CONSTANT, TRUE); + + if (ctx->glGenPrograms) + { + flags |= COGL_FEATURE_SHADERS_ARBFP; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_ARBFP, TRUE); + } + + if (ctx->glCreateProgram) + { + flags |= COGL_FEATURE_SHADERS_GLSL; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_GLSL, TRUE); + } + else + { + /* If all of the old GLSL extensions are available then we can fake + * the GL 2.0 GLSL support by diverting to the old function names */ + if (ctx->glCreateProgramObject && /* GL_ARB_shader_objects */ + ctx->glVertexAttribPointer && /* GL_ARB_vertex_shader */ + _cogl_check_extension ("GL_ARB_fragment_shader", gl_extensions)) + { + ctx->glCreateShader = ctx->glCreateShaderObject; + ctx->glCreateProgram = ctx->glCreateProgramObject; + ctx->glDeleteShader = ctx->glDeleteObject; + ctx->glDeleteProgram = ctx->glDeleteObject; + ctx->glAttachShader = ctx->glAttachObject; + ctx->glUseProgram = ctx->glUseProgramObject; + ctx->glGetProgramInfoLog = ctx->glGetInfoLog; + ctx->glGetShaderInfoLog = ctx->glGetInfoLog; + ctx->glGetShaderiv = ctx->glGetObjectParameteriv; + ctx->glGetProgramiv = ctx->glGetObjectParameteriv; + ctx->glDetachShader = ctx->glDetachObject; + ctx->glGetAttachedShaders = ctx->glGetAttachedObjects; + /* FIXME: there doesn't seem to be an equivalent for glIsShader + * and glIsProgram. This doesn't matter for now because Cogl + * doesn't use these but if we add support for simulating a + * GLES2 context on top of regular GL then we'll need to do + * something here */ + + flags |= COGL_FEATURE_SHADERS_GLSL; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_GLSL, TRUE); + } + } + + if ((COGL_CHECK_GL_VERSION (gl_major, gl_minor, 2, 0) || + _cogl_check_extension ("GL_ARB_point_sprite", gl_extensions)) && + + /* If GLSL is supported then we only enable point sprite support + * too if we have glsl >= 1.2 otherwise we don't have the + * gl_PointCoord builtin which we depend on in the glsl backend. + */ + (!COGL_FLAGS_GET (ctx->features, COGL_FEATURE_ID_GLSL) || + COGL_CHECK_GL_VERSION (ctx->glsl_major, ctx->glsl_minor, 1, 2))) + { + flags |= COGL_FEATURE_POINT_SPRITE; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_POINT_SPRITE, TRUE); + } + + if (ctx->glGenBuffers) + { + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_VBOS, TRUE); + flags |= (COGL_FEATURE_MAP_BUFFER_FOR_READ | + COGL_FEATURE_MAP_BUFFER_FOR_WRITE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_MAP_BUFFER_FOR_READ, TRUE); + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE, TRUE); + } + + if (_cogl_check_extension ("GL_ARB_texture_rectangle", gl_extensions)) + { + flags |= COGL_FEATURE_TEXTURE_RECTANGLE; + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_TEXTURE_RECTANGLE, TRUE); + } + + if (ctx->glTexImage3D) + { + flags |= COGL_FEATURE_TEXTURE_3D; + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_TEXTURE_3D, TRUE); + } + + if (ctx->glEGLImageTargetTexture2D) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE, TRUE); + + if (_cogl_check_extension ("GL_EXT_packed_depth_stencil", gl_extensions)) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_EXT_PACKED_DEPTH_STENCIL, TRUE); + + if (ctx->glGenSamplers) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_SAMPLER_OBJECTS, TRUE); + + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 3, 3) || + _cogl_check_extension ("GL_ARB_texture_swizzle", gl_extensions) || + _cogl_check_extension ("GL_EXT_texture_swizzle", gl_extensions)) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_TEXTURE_SWIZZLE, TRUE); + + /* The per-vertex point size is only available via GLSL with the + * gl_PointSize builtin. This is only available in GL 2.0 (not the + * GLSL extensions) */ + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 2, 0)) + { + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE, + TRUE); + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_ENABLE_PROGRAM_POINT_SIZE, TRUE); + } + + if (ctx->driver == COGL_DRIVER_GL) + { + int max_clip_planes = 0; + + /* Features which are not available in GL 3 */ + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_GL_FIXED, TRUE); + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_ALPHA_TEST, TRUE); + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_QUADS, TRUE); + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_ALPHA_TEXTURES, TRUE); + + GE( ctx, glGetIntegerv (GL_MAX_CLIP_PLANES, &max_clip_planes) ); + if (max_clip_planes >= 4) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_FOUR_CLIP_PLANES, TRUE); + } + + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_READ_PIXELS_ANY_FORMAT, TRUE); + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_ANY_GL, TRUE); + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_FORMAT_CONVERSION, TRUE); + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_BLEND_CONSTANT, TRUE); + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_BUILTIN_POINT_SIZE_UNIFORM, TRUE); + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_QUERY_TEXTURE_PARAMETERS, TRUE); + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_TEXTURE_MAX_LEVEL, TRUE); + + if (ctx->glFenceSync) + COGL_FLAGS_SET (ctx->features, COGL_FEATURE_ID_FENCE, TRUE); + + if (COGL_CHECK_GL_VERSION (gl_major, gl_minor, 3, 0) || + _cogl_check_extension ("GL_ARB_texture_rg", gl_extensions)) + COGL_FLAGS_SET (ctx->features, + COGL_FEATURE_ID_TEXTURE_RG, + TRUE); + + /* Cache features */ + for (i = 0; i < G_N_ELEMENTS (private_features); i++) + ctx->private_features[i] |= private_features[i]; + ctx->feature_flags |= flags; + + g_strfreev (gl_extensions); + + if (!COGL_FLAGS_GET (private_features, COGL_PRIVATE_FEATURE_ALPHA_TEXTURES) && + !COGL_FLAGS_GET (private_features, COGL_PRIVATE_FEATURE_TEXTURE_SWIZZLE)) + { + _cogl_set_error (error, + COGL_DRIVER_ERROR, + COGL_DRIVER_ERROR_NO_SUITABLE_DRIVER_FOUND, + "The GL_ARB_texture_swizzle extension is required " + "to use the GL3 driver"); + return FALSE; + } + + return TRUE; +} + +const CoglDriverVtable +_cogl_driver_gl = + { + _cogl_driver_pixel_format_from_gl_internal, + _cogl_driver_pixel_format_to_gl, + _cogl_driver_update_features, + _cogl_offscreen_gl_allocate, + _cogl_offscreen_gl_free, + _cogl_framebuffer_gl_flush_state, + _cogl_framebuffer_gl_clear, + _cogl_framebuffer_gl_query_bits, + _cogl_framebuffer_gl_finish, + _cogl_framebuffer_gl_discard_buffers, + _cogl_framebuffer_gl_draw_attributes, + _cogl_framebuffer_gl_draw_indexed_attributes, + _cogl_framebuffer_gl_read_pixels_into_bitmap, + _cogl_texture_2d_gl_free, + _cogl_texture_2d_gl_can_create, + _cogl_texture_2d_gl_init, + _cogl_texture_2d_gl_allocate, + _cogl_texture_2d_gl_copy_from_framebuffer, + _cogl_texture_2d_gl_get_gl_handle, + _cogl_texture_2d_gl_generate_mipmap, + _cogl_texture_2d_gl_copy_from_bitmap, + _cogl_texture_2d_gl_get_data, + _cogl_gl_flush_attributes_state, + _cogl_clip_stack_gl_flush, + _cogl_buffer_gl_create, + _cogl_buffer_gl_destroy, + _cogl_buffer_gl_map_range, + _cogl_buffer_gl_unmap, + _cogl_buffer_gl_set_data, + }; diff --git a/cogl/driver/gl/gl/cogl-pipeline-fragend-arbfp-private.h b/cogl/driver/gl/gl/cogl-pipeline-fragend-arbfp-private.h new file mode 100644 index 0000000..f054aad --- /dev/null +++ b/cogl/driver/gl/gl/cogl-pipeline-fragend-arbfp-private.h @@ -0,0 +1,42 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef __COGL_PIPELINE_FRAGEND_ARBFP_PRIVATE_H +#define __COGL_PIPELINE_FRAGEND_ARBFP_PRIVATE_H + +#include "cogl-pipeline-private.h" + +extern const CoglPipelineFragend _cogl_pipeline_arbfp_fragend; + +#endif /* __COGL_PIPELINE_ARBFP_PRIVATE_H */ + diff --git a/cogl/driver/gl/gl/cogl-pipeline-fragend-arbfp.c b/cogl/driver/gl/gl/cogl-pipeline-fragend-arbfp.c new file mode 100644 index 0000000..16b13be --- /dev/null +++ b/cogl/driver/gl/gl/cogl-pipeline-fragend-arbfp.c @@ -0,0 +1,990 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-debug.h" +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-state-private.h" +#include "cogl-pipeline-layer-private.h" + +#ifdef COGL_PIPELINE_FRAGEND_ARBFP + +#include "cogl-context-private.h" +#include "cogl-object-private.h" + +#include "cogl-texture-private.h" +#include "cogl-blend-string.h" +#include "cogl-journal-private.h" +#include "cogl-color-private.h" +#include "cogl-profile.h" +#include "cogl-program-private.h" + +#include +#include +#include + +/* This might not be defined on GLES */ +#ifndef GL_TEXTURE_3D +#define GL_TEXTURE_3D 0x806F +#endif + +const CoglPipelineFragend _cogl_pipeline_arbfp_fragend; + +typedef struct _UnitState +{ + int constant_id; /* The program.local[] index */ + unsigned int dirty_combine_constant:1; + unsigned int has_combine_constant:1; + + unsigned int sampled:1; +} UnitState; + +typedef struct +{ + int ref_count; + + CoglHandle user_program; + /* XXX: only valid during codegen */ + GString *source; + GLuint gl_program; + UnitState *unit_state; + int next_constant_id; + + /* Age of the program the last time the uniforms were flushed. This + is used to detect when we need to flush all of the uniforms */ + unsigned int user_program_age; + + /* We need to track the last pipeline that an ARBfp program was used + * with so know if we need to update any program.local parameters. */ + CoglPipeline *last_used_for_pipeline; + + CoglPipelineCacheEntry *cache_entry; +} CoglPipelineShaderState; + +static CoglUserDataKey shader_state_key; + +static CoglPipelineShaderState * +shader_state_new (int n_layers, + CoglPipelineCacheEntry *cache_entry) +{ + CoglPipelineShaderState *shader_state; + + shader_state = g_slice_new0 (CoglPipelineShaderState); + shader_state->ref_count = 1; + shader_state->unit_state = g_new0 (UnitState, n_layers); + shader_state->cache_entry = cache_entry; + + return shader_state; +} + +static CoglPipelineShaderState * +get_shader_state (CoglPipeline *pipeline) +{ + return cogl_object_get_user_data (COGL_OBJECT (pipeline), &shader_state_key); +} + +static void +destroy_shader_state (void *user_data, + void *instance) +{ + CoglPipelineShaderState *shader_state = user_data; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* If the shader state was last used for this pipeline then clear it + so that if same address gets used again for a new pipeline then + we won't think it's the same pipeline and avoid updating the + constants */ + if (shader_state->last_used_for_pipeline == instance) + shader_state->last_used_for_pipeline = NULL; + + if (shader_state->cache_entry && + shader_state->cache_entry->pipeline != instance) + shader_state->cache_entry->usage_count--; + + if (--shader_state->ref_count == 0) + { + if (shader_state->gl_program) + { + GE (ctx, glDeletePrograms (1, &shader_state->gl_program)); + shader_state->gl_program = 0; + } + + g_free (shader_state->unit_state); + + g_slice_free (CoglPipelineShaderState, shader_state); + } +} + +static void +set_shader_state (CoglPipeline *pipeline, CoglPipelineShaderState *shader_state) +{ + if (shader_state) + { + shader_state->ref_count++; + + /* If we're not setting the state on the template pipeline then + * mark it as a usage of the pipeline cache entry */ + if (shader_state->cache_entry && + shader_state->cache_entry->pipeline != pipeline) + shader_state->cache_entry->usage_count++; + } + + _cogl_object_set_user_data (COGL_OBJECT (pipeline), + &shader_state_key, + shader_state, + destroy_shader_state); +} + +static void +dirty_shader_state (CoglPipeline *pipeline) +{ + cogl_object_set_user_data (COGL_OBJECT (pipeline), + &shader_state_key, + NULL, + NULL); +} + +static void +_cogl_pipeline_fragend_arbfp_start (CoglPipeline *pipeline, + int n_layers, + unsigned long pipelines_difference) +{ + CoglPipelineShaderState *shader_state; + CoglPipeline *authority; + CoglPipelineCacheEntry *cache_entry = NULL; + CoglProgram *user_program = cogl_pipeline_get_user_program (pipeline); + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* Now lookup our ARBfp backend private state */ + shader_state = get_shader_state (pipeline); + + /* If we have a valid shader_state then we are all set and don't + * need to generate a new program. */ + if (shader_state) + return; + + /* If we don't have an associated arbfp program yet then find the + * arbfp-authority (the oldest ancestor whose state will result in + * the same program being generated as for this pipeline). + * + * We always make sure to associate new programs with the + * arbfp-authority to maximize the chance that other pipelines can + * share it. + */ + authority = _cogl_pipeline_find_equivalent_parent + (pipeline, + _cogl_pipeline_get_state_for_fragment_codegen (ctx) & + ~COGL_PIPELINE_STATE_LAYERS, + _cogl_pipeline_get_layer_state_for_fragment_codegen (ctx)); + shader_state = get_shader_state (authority); + if (shader_state) + { + /* If we are going to share our program state with an arbfp-authority + * then add a reference to the program state associated with that + * arbfp-authority... */ + set_shader_state (pipeline, shader_state); + return; + } + + /* If we haven't yet found an existing program then before we resort to + * generating a new arbfp program we see if we can find a suitable + * program in the pipeline_cache. */ + if (G_LIKELY (!(COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_PROGRAM_CACHES)))) + { + cache_entry = + _cogl_pipeline_cache_get_fragment_template (ctx->pipeline_cache, + authority); + + shader_state = get_shader_state (cache_entry->pipeline); + + if (shader_state) + shader_state->ref_count++; + } + + /* If we still haven't got a shader state then we'll have to create + a new one */ + if (shader_state == NULL) + { + shader_state = shader_state_new (n_layers, cache_entry); + + shader_state->user_program = user_program; + if (user_program == COGL_INVALID_HANDLE) + { + /* We reuse a single grow-only GString for code-gen */ + g_string_set_size (ctx->codegen_source_buffer, 0); + shader_state->source = ctx->codegen_source_buffer; + g_string_append (shader_state->source, + "!!ARBfp1.0\n" + "TEMP output;\n" + "TEMP tmp0, tmp1, tmp2, tmp3, tmp4;\n" + "PARAM half = {.5, .5, .5, .5};\n" + "PARAM one = {1, 1, 1, 1};\n" + "PARAM two = {2, 2, 2, 2};\n" + "PARAM minus_one = {-1, -1, -1, -1};\n"); + } + } + + set_shader_state (pipeline, shader_state); + + shader_state->ref_count--; + + /* Since we have already resolved the arbfp-authority at this point + * we might as well also associate any program we find from the cache + * with the authority too... */ + if (authority != pipeline) + set_shader_state (authority, shader_state); + + /* If we found a template then we'll attach it to that too so that + next time a similar pipeline is used it can use the same state */ + if (cache_entry) + set_shader_state (cache_entry->pipeline, shader_state); +} + +static const char * +texture_type_to_arbfp_string (CoglTextureType texture_type) +{ + switch (texture_type) + { +#if 0 /* TODO */ + case COGL_TEXTURE_TYPE_1D: + return "1D"; +#endif + case COGL_TEXTURE_TYPE_2D: + return "2D"; + case COGL_TEXTURE_TYPE_3D: + return "3D"; + case COGL_TEXTURE_TYPE_RECTANGLE: + return "RECT"; + } + + g_warn_if_reached (); + + return "2D"; +} + +static void +setup_texture_source (CoglPipelineShaderState *shader_state, + int unit_index, + CoglTextureType texture_type) +{ + if (!shader_state->unit_state[unit_index].sampled) + { + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_TEXTURING))) + g_string_append_printf (shader_state->source, + "TEMP texel%d;\n" + "MOV texel%d, one;\n", + unit_index, + unit_index); + else + g_string_append_printf (shader_state->source, + "TEMP texel%d;\n" + "TEX texel%d,fragment.texcoord[%d]," + "texture[%d],%s;\n", + unit_index, + unit_index, + unit_index, + unit_index, + texture_type_to_arbfp_string (texture_type)); + shader_state->unit_state[unit_index].sampled = TRUE; + } +} + +typedef enum _CoglPipelineFragendARBfpArgType +{ + COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_SIMPLE, + COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_CONSTANT, + COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_TEXTURE +} CoglPipelineFragendARBfpArgType; + +typedef struct _CoglPipelineFragendARBfpArg +{ + const char *name; + + CoglPipelineFragendARBfpArgType type; + + /* for type = TEXTURE */ + int texture_unit; + CoglTextureType texture_type; + + /* for type = CONSTANT */ + int constant_id; + + const char *swizzle; + +} CoglPipelineFragendARBfpArg; + +static void +append_arg (GString *source, const CoglPipelineFragendARBfpArg *arg) +{ + switch (arg->type) + { + case COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_TEXTURE: + g_string_append_printf (source, "texel%d%s", + arg->texture_unit, arg->swizzle); + break; + case COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_CONSTANT: + g_string_append_printf (source, "program.local[%d]%s", + arg->constant_id, arg->swizzle); + break; + case COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_SIMPLE: + g_string_append_printf (source, "%s%s", + arg->name, arg->swizzle); + break; + } +} + +/* Note: we are trying to avoid duplicating strings during codegen + * which is why we have the slightly awkward + * CoglPipelineFragendARBfpArg mechanism. */ +static void +setup_arg (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + CoglBlendStringChannelMask mask, + int arg_index, + CoglPipelineCombineSource src, + GLint op, + CoglPipelineFragendARBfpArg *arg) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + static const char *tmp_name[3] = { "tmp0", "tmp1", "tmp2" }; + + switch (src) + { + case COGL_PIPELINE_COMBINE_SOURCE_TEXTURE: + arg->type = COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_TEXTURE; + arg->name = "texel%d"; + arg->texture_unit = _cogl_pipeline_layer_get_unit_index (layer); + setup_texture_source (shader_state, + arg->texture_unit, + _cogl_pipeline_layer_get_texture_type (layer)); + break; + case COGL_PIPELINE_COMBINE_SOURCE_CONSTANT: + { + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + UnitState *unit_state = &shader_state->unit_state[unit_index]; + + unit_state->constant_id = shader_state->next_constant_id++; + unit_state->has_combine_constant = TRUE; + unit_state->dirty_combine_constant = TRUE; + + arg->type = COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_CONSTANT; + arg->name = "program.local[%d]"; + arg->constant_id = unit_state->constant_id; + break; + } + case COGL_PIPELINE_COMBINE_SOURCE_PRIMARY_COLOR: + arg->type = COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_SIMPLE; + arg->name = "fragment.color.primary"; + break; + case COGL_PIPELINE_COMBINE_SOURCE_PREVIOUS: + arg->type = COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_SIMPLE; + if (_cogl_pipeline_layer_get_unit_index (layer) == 0) + arg->name = "fragment.color.primary"; + else + arg->name = "output"; + break; + default: /* Sample the texture attached to a specific layer */ + { + int layer_num = src - COGL_PIPELINE_COMBINE_SOURCE_TEXTURE0; + CoglPipelineGetLayerFlags flags = COGL_PIPELINE_GET_LAYER_NO_CREATE; + CoglPipelineLayer *other_layer = + _cogl_pipeline_get_layer_with_flags (pipeline, layer_num, flags); + + if (other_layer == NULL) + { + static CoglBool warning_seen = FALSE; + if (!warning_seen) + { + g_warning ("The application is trying to use a texture " + "combine with a layer number that does not exist"); + warning_seen = TRUE; + } + arg->type = COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_SIMPLE; + arg->name = "output"; + } + else + { + CoglTextureType texture_type; + + arg->type = COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_TEXTURE; + arg->name = "texture[%d]"; + arg->texture_unit = + _cogl_pipeline_layer_get_unit_index (other_layer); + texture_type = _cogl_pipeline_layer_get_texture_type (other_layer); + setup_texture_source (shader_state, + arg->texture_unit, + texture_type); + } + } + break; + } + + arg->swizzle = ""; + + switch (op) + { + case COGL_PIPELINE_COMBINE_OP_SRC_COLOR: + break; + case COGL_PIPELINE_COMBINE_OP_ONE_MINUS_SRC_COLOR: + g_string_append_printf (shader_state->source, + "SUB tmp%d, one, ", + arg_index); + append_arg (shader_state->source, arg); + g_string_append_printf (shader_state->source, ";\n"); + arg->type = COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_SIMPLE; + arg->name = tmp_name[arg_index]; + arg->swizzle = ""; + break; + case COGL_PIPELINE_COMBINE_OP_SRC_ALPHA: + /* avoid a swizzle if we know RGB are going to be masked + * in the end anyway */ + if (mask != COGL_BLEND_STRING_CHANNEL_MASK_ALPHA) + arg->swizzle = ".a"; + break; + case COGL_PIPELINE_COMBINE_OP_ONE_MINUS_SRC_ALPHA: + g_string_append_printf (shader_state->source, + "SUB tmp%d, one, ", + arg_index); + append_arg (shader_state->source, arg); + /* avoid a swizzle if we know RGB are going to be masked + * in the end anyway */ + if (mask != COGL_BLEND_STRING_CHANNEL_MASK_ALPHA) + g_string_append_printf (shader_state->source, ".a;\n"); + else + g_string_append_printf (shader_state->source, ";\n"); + arg->type = COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_SIMPLE; + arg->name = tmp_name[arg_index]; + break; + default: + g_error ("Unknown texture combine operator %d", op); + break; + } +} + +static CoglBool +fragend_arbfp_args_equal (CoglPipelineFragendARBfpArg *arg0, + CoglPipelineFragendARBfpArg *arg1) +{ + if (arg0->type != arg1->type) + return FALSE; + + if (arg0->name != arg1->name && + strcmp (arg0->name, arg1->name) != 0) + return FALSE; + + if (arg0->type == COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_TEXTURE && + arg0->texture_unit != arg1->texture_unit) + return FALSE; + /* Note we don't have to check the target; a texture unit can only + * have one target enabled at a time. */ + + if (arg0->type == COGL_PIPELINE_FRAGEND_ARBFP_ARG_TYPE_CONSTANT && + arg0->constant_id != arg1->constant_id) + return FALSE; + + if (arg0->swizzle != arg1->swizzle && + strcmp (arg0->swizzle, arg1->swizzle) != 0) + return FALSE; + + return TRUE; +} + +static void +append_function (CoglPipeline *pipeline, + CoglBlendStringChannelMask mask, + GLint function, + CoglPipelineFragendARBfpArg *args, + int n_args) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + const char *mask_name; + + switch (mask) + { + case COGL_BLEND_STRING_CHANNEL_MASK_RGB: + mask_name = ".rgb"; + break; + case COGL_BLEND_STRING_CHANNEL_MASK_ALPHA: + mask_name = ".a"; + break; + case COGL_BLEND_STRING_CHANNEL_MASK_RGBA: + mask_name = ""; + break; + default: + g_error ("Unknown channel mask %d", mask); + mask_name = ""; + } + + switch (function) + { + case COGL_PIPELINE_COMBINE_FUNC_ADD: + g_string_append_printf (shader_state->source, + "ADD_SAT output%s, ", + mask_name); + break; + case COGL_PIPELINE_COMBINE_FUNC_MODULATE: + /* Note: no need to saturate since we can assume operands + * have values in the range [0,1] */ + g_string_append_printf (shader_state->source, "MUL output%s, ", + mask_name); + break; + case COGL_PIPELINE_COMBINE_FUNC_REPLACE: + /* Note: no need to saturate since we can assume operand + * has a value in the range [0,1] */ + g_string_append_printf (shader_state->source, "MOV output%s, ", + mask_name); + break; + case COGL_PIPELINE_COMBINE_FUNC_SUBTRACT: + g_string_append_printf (shader_state->source, + "SUB_SAT output%s, ", + mask_name); + break; + case COGL_PIPELINE_COMBINE_FUNC_ADD_SIGNED: + g_string_append_printf (shader_state->source, "ADD tmp3%s, ", + mask_name); + append_arg (shader_state->source, &args[0]); + g_string_append (shader_state->source, ", "); + append_arg (shader_state->source, &args[1]); + g_string_append (shader_state->source, ";\n"); + g_string_append_printf (shader_state->source, + "SUB_SAT output%s, tmp3, half", + mask_name); + n_args = 0; + break; + case COGL_PIPELINE_COMBINE_FUNC_DOT3_RGB: + /* These functions are the same except that GL_DOT3_RGB never + * updates the alpha channel. + * + * NB: GL_DOT3_RGBA is a bit special because it effectively forces + * an RGBA mask and we end up ignoring any separate alpha channel + * function. + */ + case COGL_PIPELINE_COMBINE_FUNC_DOT3_RGBA: + { + const char *tmp4 = "tmp4"; + + /* The maths for this was taken from Mesa; + * apparently: + * + * tmp3 = 2*src0 - 1 + * tmp4 = 2*src1 - 1 + * output = DP3 (tmp3, tmp4) + * + * is the same as: + * + * output = 4 * DP3 (src0 - 0.5, src1 - 0.5) + */ + + g_string_append (shader_state->source, "MAD tmp3, two, "); + append_arg (shader_state->source, &args[0]); + g_string_append (shader_state->source, ", minus_one;\n"); + + if (!fragend_arbfp_args_equal (&args[0], &args[1])) + { + g_string_append (shader_state->source, "MAD tmp4, two, "); + append_arg (shader_state->source, &args[1]); + g_string_append (shader_state->source, ", minus_one;\n"); + } + else + tmp4 = "tmp3"; + + g_string_append_printf (shader_state->source, + "DP3_SAT output%s, tmp3, %s", + mask_name, tmp4); + n_args = 0; + } + break; + case COGL_PIPELINE_COMBINE_FUNC_INTERPOLATE: + /* Note: no need to saturate since we can assume operands + * have values in the range [0,1] */ + + /* NB: GL_INTERPOLATE = arg0*arg2 + arg1*(1-arg2) + * but LRP dst, a, b, c = b*a + c*(1-a) */ + g_string_append_printf (shader_state->source, "LRP output%s, ", + mask_name); + append_arg (shader_state->source, &args[2]); + g_string_append (shader_state->source, ", "); + append_arg (shader_state->source, &args[0]); + g_string_append (shader_state->source, ", "); + append_arg (shader_state->source, &args[1]); + n_args = 0; + break; + default: + g_error ("Unknown texture combine function %d", function); + g_string_append_printf (shader_state->source, "MUL_SAT output%s, ", + mask_name); + n_args = 2; + break; + } + + if (n_args > 0) + append_arg (shader_state->source, &args[0]); + if (n_args > 1) + { + g_string_append (shader_state->source, ", "); + append_arg (shader_state->source, &args[1]); + } + g_string_append (shader_state->source, ";\n"); +} + +static void +append_masked_combine (CoglPipeline *arbfp_authority, + CoglPipelineLayer *layer, + CoglBlendStringChannelMask mask, + CoglPipelineCombineFunc function, + CoglPipelineCombineSource *src, + CoglPipelineCombineOp *op) +{ + int i; + int n_args; + CoglPipelineFragendARBfpArg args[3]; + + n_args = _cogl_get_n_args_for_combine_func (function); + + for (i = 0; i < n_args; i++) + { + setup_arg (arbfp_authority, + layer, + mask, + i, + src[i], + op[i], + &args[i]); + } + + append_function (arbfp_authority, + mask, + function, + args, + n_args); +} + +static CoglBool +_cogl_pipeline_fragend_arbfp_add_layer (CoglPipeline *pipeline, + CoglPipelineLayer *layer, + unsigned long layers_difference) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + CoglPipelineLayer *combine_authority = + _cogl_pipeline_layer_get_authority (layer, + COGL_PIPELINE_LAYER_STATE_COMBINE); + CoglPipelineLayerBigState *big_state = combine_authority->big_state; + + /* Notes... + * + * We are ignoring the issue of texture indirection limits until + * someone complains (Ref Section 3.11.6 in the ARB_fragment_program + * spec) + * + * There always five TEMPs named tmp0, tmp1 and tmp2, tmp3 and tmp4 + * available and these constants: 'one' = {1, 1, 1, 1}, 'half' + * {.5, .5, .5, .5}, 'two' = {2, 2, 2, 2}, 'minus_one' = {-1, -1, + * -1, -1} + * + * tmp0-2 are intended for dealing with some of the texture combine + * operands (e.g. GL_ONE_MINUS_SRC_COLOR) tmp3/4 are for dealing + * with the GL_ADD_SIGNED texture combine and the GL_DOT3_RGB[A] + * functions. + * + * Each layer outputs to the TEMP called "output", and reads from + * output if it needs to refer to GL_PREVIOUS. (we detect if we are + * layer0 so we will read fragment.color for GL_PREVIOUS in that + * case) + * + * We aim to do all the channels together if the same function is + * used for RGB as for A. + * + * We aim to avoid string duplication / allocations during codegen. + * + * We are careful to only saturate when writing to output. + */ + + if (!shader_state->source) + return TRUE; + + if (!_cogl_pipeline_layer_needs_combine_separate (combine_authority)) + { + append_masked_combine (pipeline, + layer, + COGL_BLEND_STRING_CHANNEL_MASK_RGBA, + big_state->texture_combine_rgb_func, + big_state->texture_combine_rgb_src, + big_state->texture_combine_rgb_op); + } + else if (big_state->texture_combine_rgb_func == + COGL_PIPELINE_COMBINE_FUNC_DOT3_RGBA) + { + /* GL_DOT3_RGBA Is a bit weird as a GL_COMBINE_RGB function + * since if you use it, it overrides your ALPHA function... + */ + append_masked_combine (pipeline, + layer, + COGL_BLEND_STRING_CHANNEL_MASK_RGBA, + big_state->texture_combine_rgb_func, + big_state->texture_combine_rgb_src, + big_state->texture_combine_rgb_op); + } + else + { + append_masked_combine (pipeline, + layer, + COGL_BLEND_STRING_CHANNEL_MASK_RGB, + big_state->texture_combine_rgb_func, + big_state->texture_combine_rgb_src, + big_state->texture_combine_rgb_op); + append_masked_combine (pipeline, + layer, + COGL_BLEND_STRING_CHANNEL_MASK_ALPHA, + big_state->texture_combine_alpha_func, + big_state->texture_combine_alpha_src, + big_state->texture_combine_alpha_op); + } + + return TRUE; +} + +static CoglBool +_cogl_pipeline_fragend_arbfp_passthrough (CoglPipeline *pipeline) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + + if (!shader_state->source) + return TRUE; + + g_string_append (shader_state->source, + "MOV output, fragment.color.primary;\n"); + return TRUE; +} + +typedef struct _UpdateConstantsState +{ + int unit; + CoglBool update_all; + CoglPipelineShaderState *shader_state; +} UpdateConstantsState; + +static CoglBool +update_constants_cb (CoglPipeline *pipeline, + int layer_index, + void *user_data) +{ + UpdateConstantsState *state = user_data; + CoglPipelineShaderState *shader_state = state->shader_state; + UnitState *unit_state = &shader_state->unit_state[state->unit++]; + + _COGL_GET_CONTEXT (ctx, FALSE); + + if (unit_state->has_combine_constant && + (state->update_all || unit_state->dirty_combine_constant)) + { + float constant[4]; + _cogl_pipeline_get_layer_combine_constant (pipeline, + layer_index, + constant); + GE (ctx, glProgramLocalParameter4fv (GL_FRAGMENT_PROGRAM_ARB, + unit_state->constant_id, + constant)); + unit_state->dirty_combine_constant = FALSE; + } + return TRUE; +} + +static CoglBool +_cogl_pipeline_fragend_arbfp_end (CoglPipeline *pipeline, + unsigned long pipelines_difference) +{ + CoglPipelineShaderState *shader_state = get_shader_state (pipeline); + GLuint gl_program; + + _COGL_GET_CONTEXT (ctx, FALSE); + + if (shader_state->source) + { + GLenum gl_error; + COGL_STATIC_COUNTER (fragend_arbfp_compile_counter, + "arbfp compile counter", + "Increments each time a new ARBfp " + "program is compiled", + 0 /* no application private data */); + + COGL_COUNTER_INC (_cogl_uprof_context, fragend_arbfp_compile_counter); + + g_string_append (shader_state->source, + "MOV result.color,output;\n"); + g_string_append (shader_state->source, "END\n"); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_SHOW_SOURCE))) + g_message ("pipeline program:\n%s", shader_state->source->str); + + GE (ctx, glGenPrograms (1, &shader_state->gl_program)); + + GE (ctx, glBindProgram (GL_FRAGMENT_PROGRAM_ARB, + shader_state->gl_program)); + + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + ctx->glProgramString (GL_FRAGMENT_PROGRAM_ARB, + GL_PROGRAM_FORMAT_ASCII_ARB, + shader_state->source->len, + shader_state->source->str); + if (ctx->glGetError () != GL_NO_ERROR) + { + g_warning ("\n%s\n%s", + shader_state->source->str, + ctx->glGetString (GL_PROGRAM_ERROR_STRING_ARB)); + } + + shader_state->source = NULL; + } + + if (shader_state->user_program != COGL_INVALID_HANDLE) + { + /* An arbfp program should contain exactly one shader which we + can use directly */ + CoglProgram *program = shader_state->user_program; + CoglShader *shader = program->attached_shaders->data; + + gl_program = shader->gl_handle; + } + else + gl_program = shader_state->gl_program; + + GE (ctx, glBindProgram (GL_FRAGMENT_PROGRAM_ARB, gl_program)); + _cogl_use_fragment_program (0, COGL_PIPELINE_PROGRAM_TYPE_ARBFP); + + if (shader_state->user_program == COGL_INVALID_HANDLE) + { + UpdateConstantsState state; + state.unit = 0; + state.shader_state = shader_state; + /* If this arbfp program was last used with a different pipeline + * then we need to ensure we update all program.local params */ + state.update_all = + pipeline != shader_state->last_used_for_pipeline; + cogl_pipeline_foreach_layer (pipeline, + update_constants_cb, + &state); + } + else + { + CoglProgram *program = shader_state->user_program; + CoglBool program_changed; + + /* If the shader has changed since it was last flushed then we + need to update all uniforms */ + program_changed = program->age != shader_state->user_program_age; + + _cogl_program_flush_uniforms (program, gl_program, program_changed); + + shader_state->user_program_age = program->age; + } + + /* We need to track what pipeline used this arbfp program last since + * we will need to update program.local params when switching + * between different pipelines. */ + shader_state->last_used_for_pipeline = pipeline; + + return TRUE; +} + +static void +_cogl_pipeline_fragend_arbfp_pipeline_pre_change_notify ( + CoglPipeline *pipeline, + CoglPipelineState change, + const CoglColor *new_color) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if ((change & _cogl_pipeline_get_state_for_fragment_codegen (ctx))) + dirty_shader_state (pipeline); +} + +/* NB: layers are considered immutable once they have any dependants + * so although multiple pipelines can end up depending on a single + * static layer, we can guarantee that if a layer is being *changed* + * then it can only have one pipeline depending on it. + * + * XXX: Don't forget this is *pre* change, we can't read the new value + * yet! + */ +static void +_cogl_pipeline_fragend_arbfp_layer_pre_change_notify ( + CoglPipeline *owner, + CoglPipelineLayer *layer, + CoglPipelineLayerState change) +{ + CoglPipelineShaderState *shader_state = get_shader_state (owner); + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (!shader_state) + return; + + if ((change & _cogl_pipeline_get_layer_state_for_fragment_codegen (ctx))) + { + dirty_shader_state (owner); + return; + } + + if (change & COGL_PIPELINE_LAYER_STATE_COMBINE_CONSTANT) + { + int unit_index = _cogl_pipeline_layer_get_unit_index (layer); + shader_state->unit_state[unit_index].dirty_combine_constant = TRUE; + } + + /* TODO: we could be saving snippets of texture combine code along + * with each layer and then when a layer changes we would just free + * the snippet. */ + return; +} + +const CoglPipelineFragend _cogl_pipeline_arbfp_fragend = +{ + _cogl_pipeline_fragend_arbfp_start, + _cogl_pipeline_fragend_arbfp_add_layer, + _cogl_pipeline_fragend_arbfp_passthrough, + _cogl_pipeline_fragend_arbfp_end, + _cogl_pipeline_fragend_arbfp_pipeline_pre_change_notify, + NULL, + _cogl_pipeline_fragend_arbfp_layer_pre_change_notify +}; + +#endif /* COGL_PIPELINE_FRAGEND_ARBFP */ + diff --git a/cogl/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp-private.h b/cogl/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp-private.h new file mode 100644 index 0000000..ba0c713 --- /dev/null +++ b/cogl/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp-private.h @@ -0,0 +1,42 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_PIPELINE_PROGEND_FIXED_ARBFP_PRIVATE_H +#define __COGL_PIPELINE_PROGEND_FIXED_ARBFP_PRIVATE_H + +#include "cogl-pipeline-private.h" + +extern const CoglPipelineProgend _cogl_pipeline_fixed_arbfp_progend; + +#endif /* __COGL_PIPELINE_PROGEND_FIXED_ARBFP_PRIVATE_H */ + diff --git a/cogl/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp.c b/cogl/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp.c new file mode 100644 index 0000000..956bffc --- /dev/null +++ b/cogl/driver/gl/gl/cogl-pipeline-progend-fixed-arbfp.c @@ -0,0 +1,121 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-pipeline-private.h" +#include "cogl-pipeline-state-private.h" + +#ifdef COGL_PIPELINE_PROGEND_FIXED_ARBFP + +#include "cogl-context.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-program-private.h" + +static CoglBool +_cogl_pipeline_progend_fixed_arbfp_start (CoglPipeline *pipeline) +{ + CoglHandle user_program; + + _COGL_GET_CONTEXT (ctx, FALSE); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_FIXED))) + return FALSE; + + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_GL_FIXED)) + return FALSE; + + /* Vertex snippets are only supported in the GLSL fragend */ + if (_cogl_pipeline_has_vertex_snippets (pipeline)) + return FALSE; + + /* Validate that we can handle the fragment state using ARBfp + */ + + if (!cogl_has_feature (ctx, COGL_FEATURE_ID_ARBFP)) + return FALSE; + + /* Fragment snippets are only supported in the GLSL fragend */ + if (_cogl_pipeline_has_fragment_snippets (pipeline)) + return FALSE; + + user_program = cogl_pipeline_get_user_program (pipeline); + if (user_program && + _cogl_program_get_language (user_program) != COGL_SHADER_LANGUAGE_ARBFP) + return FALSE; + + /* The ARBfp progend can't handle the per-vertex point size + * attribute */ + if (cogl_pipeline_get_per_vertex_point_size (pipeline)) + return FALSE; + + return TRUE; +} + +static void +_cogl_pipeline_progend_fixed_arbfp_pre_paint (CoglPipeline *pipeline, + CoglFramebuffer *framebuffer) +{ + CoglContext *ctx = framebuffer->context; + + if (ctx->current_projection_entry) + _cogl_matrix_entry_flush_to_gl_builtins (ctx, + ctx->current_projection_entry, + COGL_MATRIX_PROJECTION, + framebuffer, + FALSE /* enable flip */); + if (ctx->current_modelview_entry) + _cogl_matrix_entry_flush_to_gl_builtins (ctx, + ctx->current_modelview_entry, + COGL_MATRIX_MODELVIEW, + framebuffer, + FALSE /* enable flip */); +} + +const CoglPipelineProgend _cogl_pipeline_fixed_arbfp_progend = + { + COGL_PIPELINE_VERTEND_FIXED, + COGL_PIPELINE_FRAGEND_ARBFP, + _cogl_pipeline_progend_fixed_arbfp_start, + NULL, /* end */ + NULL, /* pre_change_notify */ + NULL, /* layer_pre_change_notify */ + _cogl_pipeline_progend_fixed_arbfp_pre_paint + }; + +#endif /* COGL_PIPELINE_PROGEND_FIXED_ARBFP */ diff --git a/cogl/driver/gl/gl/cogl-texture-driver-gl.c b/cogl/driver/gl/gl/cogl-texture-driver-gl.c new file mode 100644 index 0000000..109af81 --- /dev/null +++ b/cogl/driver/gl/gl/cogl-texture-driver-gl.c @@ -0,0 +1,555 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Matthew Allum + * Neil Roberts + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-private.h" +#include "cogl-util.h" +#include "cogl-bitmap.h" +#include "cogl-bitmap-private.h" +#include "cogl-texture-private.h" +#include "cogl-pipeline.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-primitives.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-error-private.h" +#include "cogl-texture-gl-private.h" + +#include +#include +#include + +#ifndef GL_TEXTURE_SWIZZLE_RGBA +#define GL_TEXTURE_SWIZZLE_RGBA 0x8E46 +#endif + +static GLuint +_cogl_texture_driver_gen (CoglContext *ctx, + GLenum gl_target, + CoglPixelFormat internal_format) +{ + GLuint tex; + + GE (ctx, glGenTextures (1, &tex)); + + _cogl_bind_gl_texture_transient (gl_target, tex, FALSE); + + switch (gl_target) + { + case GL_TEXTURE_2D: + case GL_TEXTURE_3D: + /* In case automatic mipmap generation gets disabled for this + * texture but a minification filter depending on mipmap + * interpolation is selected then we initialize the max mipmap + * level to 0 so OpenGL will consider the texture storage to be + * "complete". + */ +#ifdef HAVE_COGL_GL + if (_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_TEXTURE_MAX_LEVEL)) + GE( ctx, glTexParameteri (gl_target, GL_TEXTURE_MAX_LEVEL, 0)); +#endif + + /* GL_TEXTURE_MAG_FILTER defaults to GL_LINEAR, no need to set it */ + GE( ctx, glTexParameteri (gl_target, + GL_TEXTURE_MIN_FILTER, + GL_LINEAR) ); + break; + + case GL_TEXTURE_RECTANGLE_ARB: + /* Texture rectangles already default to GL_LINEAR so nothing + needs to be done */ + break; + + default: + g_assert_not_reached(); + } + + /* If the driver doesn't support alpha textures directly then we'll + * fake them by setting the swizzle parameters */ + if (internal_format == COGL_PIXEL_FORMAT_A_8 && + !_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_ALPHA_TEXTURES) && + _cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_TEXTURE_SWIZZLE)) + { + static const GLint red_swizzle[] = { GL_ZERO, GL_ZERO, GL_ZERO, GL_RED }; + + GE( ctx, glTexParameteriv (gl_target, + GL_TEXTURE_SWIZZLE_RGBA, + red_swizzle) ); + } + + return tex; +} + +/* OpenGL - unlike GLES - can upload a sub region of pixel data from a larger + * source buffer */ +static void +prep_gl_for_pixels_upload_full (CoglContext *ctx, + int pixels_rowstride, + int image_height, + int pixels_src_x, + int pixels_src_y, + int pixels_bpp) +{ + GE( ctx, glPixelStorei (GL_UNPACK_ROW_LENGTH, + pixels_rowstride / pixels_bpp) ); + + GE( ctx, glPixelStorei (GL_UNPACK_SKIP_PIXELS, pixels_src_x) ); + GE( ctx, glPixelStorei (GL_UNPACK_SKIP_ROWS, pixels_src_y) ); + + if (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_3D)) + GE( ctx, glPixelStorei (GL_UNPACK_IMAGE_HEIGHT, image_height) ); + + _cogl_texture_gl_prep_alignment_for_pixels_upload (ctx, pixels_rowstride); +} + +static void +_cogl_texture_driver_prep_gl_for_pixels_upload (CoglContext *ctx, + int pixels_rowstride, + int pixels_bpp) +{ + prep_gl_for_pixels_upload_full (ctx, pixels_rowstride, 0, 0, 0, pixels_bpp); +} + +/* OpenGL - unlike GLES - can download pixel data into a sub region of + * a larger destination buffer */ +static void +prep_gl_for_pixels_download_full (CoglContext *ctx, + int image_width, + int pixels_rowstride, + int image_height, + int pixels_src_x, + int pixels_src_y, + int pixels_bpp) +{ + GE( ctx, glPixelStorei (GL_PACK_ROW_LENGTH, pixels_rowstride / pixels_bpp) ); + + GE( ctx, glPixelStorei (GL_PACK_SKIP_PIXELS, pixels_src_x) ); + GE( ctx, glPixelStorei (GL_PACK_SKIP_ROWS, pixels_src_y) ); + + if (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_3D)) + GE( ctx, glPixelStorei (GL_PACK_IMAGE_HEIGHT, image_height) ); + + _cogl_texture_gl_prep_alignment_for_pixels_download (ctx, + pixels_bpp, + image_width, + pixels_rowstride); +} + +static void +_cogl_texture_driver_prep_gl_for_pixels_download (CoglContext *ctx, + int image_width, + int pixels_rowstride, + int pixels_bpp) +{ + prep_gl_for_pixels_download_full (ctx, + pixels_rowstride, + image_width, + 0 /* image height */, + 0, 0, /* pixels_src_x/y */ + pixels_bpp); +} + +static CoglBool +_cogl_texture_driver_upload_subregion_to_gl (CoglContext *ctx, + CoglTexture *texture, + CoglBool is_foreign, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height, + int level, + CoglBitmap *source_bmp, + GLuint source_gl_format, + GLuint source_gl_type, + CoglError **error) +{ + GLenum gl_target; + GLuint gl_handle; + uint8_t *data; + CoglPixelFormat source_format = cogl_bitmap_get_format (source_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (source_format); + GLenum gl_error; + CoglBool status = TRUE; + CoglError *internal_error = NULL; + int level_width; + int level_height; + + cogl_texture_get_gl_texture (texture, &gl_handle, &gl_target); + + data = _cogl_bitmap_gl_bind (source_bmp, COGL_BUFFER_ACCESS_READ, 0, &internal_error); + + /* NB: _cogl_bitmap_gl_bind() may return NULL when successfull so we + * have to explicitly check the cogl error pointer to catch + * problems... */ + if (internal_error) + { + _cogl_propagate_error (error, internal_error); + return FALSE; + } + + /* Setup gl alignment to match rowstride and top-left corner */ + prep_gl_for_pixels_upload_full (ctx, + cogl_bitmap_get_rowstride (source_bmp), + 0, + src_x, + src_y, + bpp); + + _cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign); + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + _cogl_texture_get_level_size (texture, + level, + &level_width, + &level_height, + NULL); + + if (level_width == width && level_height == height) + { + /* GL gets upset if you use glTexSubImage2D to initialize the + * contents of a mipmap level so we make sure to use + * glTexImage2D if we are uploading a full mipmap level. + */ + ctx->glTexImage2D (gl_target, + level, + _cogl_texture_gl_get_format (texture), + width, + height, + 0, + source_gl_format, + source_gl_type, + data); + + } + else + { + /* GL gets upset if you use glTexSubImage2D to initialize the + * contents of a mipmap level so if this is the first time + * we've seen a request to upload to this level we call + * glTexImage2D first to assert that the storage for this + * level exists. + */ + if (texture->max_level < level) + { + ctx->glTexImage2D (gl_target, + level, + _cogl_texture_gl_get_format (texture), + level_width, + level_height, + 0, + source_gl_format, + source_gl_type, + NULL); + } + + ctx->glTexSubImage2D (gl_target, + level, + dst_x, dst_y, + width, height, + source_gl_format, + source_gl_type, + data); + } + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + status = FALSE; + + _cogl_bitmap_gl_unbind (source_bmp); + + return status; +} + +static CoglBool +_cogl_texture_driver_upload_to_gl (CoglContext *ctx, + GLenum gl_target, + GLuint gl_handle, + CoglBool is_foreign, + CoglBitmap *source_bmp, + GLint internal_gl_format, + GLuint source_gl_format, + GLuint source_gl_type, + CoglError **error) +{ + uint8_t *data; + CoglPixelFormat source_format = cogl_bitmap_get_format (source_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (source_format); + GLenum gl_error; + CoglBool status = TRUE; + CoglError *internal_error = NULL; + + data = _cogl_bitmap_gl_bind (source_bmp, + COGL_BUFFER_ACCESS_READ, + 0, /* hints */ + &internal_error); + + /* NB: _cogl_bitmap_gl_bind() may return NULL when successful so we + * have to explicitly check the cogl error pointer to catch + * problems... */ + if (internal_error) + { + _cogl_propagate_error (error, internal_error); + return FALSE; + } + + /* Setup gl alignment to match rowstride and top-left corner */ + prep_gl_for_pixels_upload_full (ctx, + cogl_bitmap_get_rowstride (source_bmp), + 0, 0, 0, bpp); + + _cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign); + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glTexImage2D (gl_target, 0, + internal_gl_format, + cogl_bitmap_get_width (source_bmp), + cogl_bitmap_get_height (source_bmp), + 0, + source_gl_format, + source_gl_type, + data); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + status = FALSE; + + _cogl_bitmap_gl_unbind (source_bmp); + + return status; +} + +static CoglBool +_cogl_texture_driver_upload_to_gl_3d (CoglContext *ctx, + GLenum gl_target, + GLuint gl_handle, + CoglBool is_foreign, + GLint height, + GLint depth, + CoglBitmap *source_bmp, + GLint internal_gl_format, + GLuint source_gl_format, + GLuint source_gl_type, + CoglError **error) +{ + uint8_t *data; + CoglPixelFormat source_format = cogl_bitmap_get_format (source_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (source_format); + GLenum gl_error; + CoglBool status = TRUE; + + data = _cogl_bitmap_gl_bind (source_bmp, COGL_BUFFER_ACCESS_READ, 0, error); + if (!data) + return FALSE; + + /* Setup gl alignment to match rowstride and top-left corner */ + prep_gl_for_pixels_upload_full (ctx, + cogl_bitmap_get_rowstride (source_bmp), + (cogl_bitmap_get_height (source_bmp) / + depth), + 0, 0, bpp); + + _cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign); + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glTexImage3D (gl_target, + 0, /* level */ + internal_gl_format, + cogl_bitmap_get_width (source_bmp), + height, + depth, + 0, + source_gl_format, + source_gl_type, + data); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + status = FALSE; + + _cogl_bitmap_gl_unbind (source_bmp); + + return status; +} + +static CoglBool +_cogl_texture_driver_gl_get_tex_image (CoglContext *ctx, + GLenum gl_target, + GLenum dest_gl_format, + GLenum dest_gl_type, + uint8_t *dest) +{ + GE (ctx, glGetTexImage (gl_target, + 0, /* level */ + dest_gl_format, + dest_gl_type, + (GLvoid *)dest)); + return TRUE; +} + +static CoglBool +_cogl_texture_driver_size_supported_3d (CoglContext *ctx, + GLenum gl_target, + GLenum gl_format, + GLenum gl_type, + int width, + int height, + int depth) +{ + GLenum proxy_target; + GLint new_width = 0; + + if (gl_target == GL_TEXTURE_3D) + proxy_target = GL_PROXY_TEXTURE_3D; + else + /* Unknown target, assume it's not supported */ + return FALSE; + + /* Proxy texture allows for a quick check for supported size */ + GE( ctx, glTexImage3D (proxy_target, 0, GL_RGBA, + width, height, depth, 0 /* border */, + gl_format, gl_type, NULL) ); + + GE( ctx, glGetTexLevelParameteriv (proxy_target, 0, + GL_TEXTURE_WIDTH, &new_width) ); + + return new_width != 0; +} + +static CoglBool +_cogl_texture_driver_size_supported (CoglContext *ctx, + GLenum gl_target, + GLenum gl_intformat, + GLenum gl_format, + GLenum gl_type, + int width, + int height) +{ + GLenum proxy_target; + GLint new_width = 0; + + if (gl_target == GL_TEXTURE_2D) + proxy_target = GL_PROXY_TEXTURE_2D; +#if HAVE_COGL_GL + else if (gl_target == GL_TEXTURE_RECTANGLE_ARB) + proxy_target = GL_PROXY_TEXTURE_RECTANGLE_ARB; +#endif + else + /* Unknown target, assume it's not supported */ + return FALSE; + + /* Proxy texture allows for a quick check for supported size */ + GE( ctx, glTexImage2D (proxy_target, 0, gl_intformat, + width, height, 0 /* border */, + gl_format, gl_type, NULL) ); + + GE( ctx, glGetTexLevelParameteriv (proxy_target, 0, + GL_TEXTURE_WIDTH, &new_width) ); + + return new_width != 0; +} + +static void +_cogl_texture_driver_try_setting_gl_border_color + (CoglContext *ctx, + GLuint gl_target, + const GLfloat *transparent_color) +{ + /* Use a transparent border color so that we can leave the + color buffer alone when using texture co-ordinates + outside of the texture */ + GE( ctx, glTexParameterfv (gl_target, GL_TEXTURE_BORDER_COLOR, + transparent_color) ); +} + +static CoglBool +_cogl_texture_driver_allows_foreign_gl_target (CoglContext *ctx, + GLenum gl_target) +{ + /* GL_ARB_texture_rectangle textures are supported if they are + created from foreign because some chipsets have trouble with + GL_ARB_texture_non_power_of_two. There is no Cogl call to create + them directly to emphasize the fact that they don't work fully + (for example, no mipmapping and complicated shader support) */ + + /* Allow 2-dimensional or rectangle textures only */ + if (gl_target != GL_TEXTURE_2D && gl_target != GL_TEXTURE_RECTANGLE_ARB) + return FALSE; + + return TRUE; +} + +static CoglPixelFormat +_cogl_texture_driver_find_best_gl_get_data_format + (CoglContext *context, + CoglPixelFormat format, + GLenum *closest_gl_format, + GLenum *closest_gl_type) +{ + return context->driver_vtable->pixel_format_to_gl (context, + format, + NULL, /* don't need */ + closest_gl_format, + closest_gl_type); +} + +const CoglTextureDriver +_cogl_texture_driver_gl = + { + _cogl_texture_driver_gen, + _cogl_texture_driver_prep_gl_for_pixels_upload, + _cogl_texture_driver_upload_subregion_to_gl, + _cogl_texture_driver_upload_to_gl, + _cogl_texture_driver_upload_to_gl_3d, + _cogl_texture_driver_prep_gl_for_pixels_download, + _cogl_texture_driver_gl_get_tex_image, + _cogl_texture_driver_size_supported, + _cogl_texture_driver_size_supported_3d, + _cogl_texture_driver_try_setting_gl_border_color, + _cogl_texture_driver_allows_foreign_gl_target, + _cogl_texture_driver_find_best_gl_get_data_format + }; diff --git a/cogl/driver/gl/gles/cogl-driver-gles.c b/cogl/driver/gl/gles/cogl-driver-gles.c new file mode 100644 index 0000000..f144ba3 --- /dev/null +++ b/cogl/driver/gl/gles/cogl-driver-gles.c @@ -0,0 +1,476 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-context-private.h" +#include "cogl-util-gl-private.h" +#include "cogl-feature-private.h" +#include "cogl-renderer-private.h" +#include "cogl-private.h" +#include "cogl-framebuffer-gl-private.h" +#include "cogl-texture-2d-gl-private.h" +#include "cogl-attribute-gl-private.h" +#include "cogl-clip-stack-gl-private.h" +#include "cogl-buffer-gl-private.h" + +#ifndef GL_UNSIGNED_INT_24_8 +#define GL_UNSIGNED_INT_24_8 0x84FA +#endif +#ifndef GL_DEPTH_STENCIL +#define GL_DEPTH_STENCIL 0x84F9 +#endif +#ifndef GL_RG +#define GL_RG 0x8227 +#endif +#ifndef GL_RG8 +#define GL_RG8 0x822B +#endif + +static CoglBool +_cogl_driver_pixel_format_from_gl_internal (CoglContext *context, + GLenum gl_int_format, + CoglPixelFormat *out_format) +{ + return TRUE; +} + +static CoglPixelFormat +_cogl_driver_pixel_format_to_gl (CoglContext *context, + CoglPixelFormat format, + GLenum *out_glintformat, + GLenum *out_glformat, + GLenum *out_gltype) +{ + CoglPixelFormat required_format; + GLenum glintformat; + GLenum glformat = 0; + GLenum gltype; + + required_format = format; + + /* Find GL equivalents */ + switch (format) + { + case COGL_PIXEL_FORMAT_A_8: + glintformat = GL_ALPHA; + glformat = GL_ALPHA; + gltype = GL_UNSIGNED_BYTE; + break; + case COGL_PIXEL_FORMAT_G_8: + glintformat = GL_LUMINANCE; + glformat = GL_LUMINANCE; + gltype = GL_UNSIGNED_BYTE; + break; + + case COGL_PIXEL_FORMAT_RG_88: + if (cogl_has_feature (context, COGL_FEATURE_ID_TEXTURE_RG)) + { + glintformat = GL_RG8; + glformat = GL_RG; + } + else + { + /* If red-green textures aren't supported then we'll use RGB + * as an internal format. Note this should only end up + * mattering for downloading the data because Cogl will + * refuse to allocate a texture with RG components if RG + * textures aren't supported */ + glintformat = GL_RGB; + glformat = GL_RGB; + required_format = COGL_PIXEL_FORMAT_RGB_888; + } + gltype = GL_UNSIGNED_BYTE; + break; + + case COGL_PIXEL_FORMAT_BGRA_8888: + case COGL_PIXEL_FORMAT_BGRA_8888_PRE: + /* There is an extension to support this format */ + if (_cogl_has_private_feature + (context, COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_BGRA8888)) + { + /* For some reason the extension says you have to specify + BGRA for the internal format too */ + glintformat = GL_BGRA_EXT; + glformat = GL_BGRA_EXT; + gltype = GL_UNSIGNED_BYTE; + required_format = format; + break; + } + /* flow through */ + + /* Just one 24-bit ordering supported */ + case COGL_PIXEL_FORMAT_RGB_888: + case COGL_PIXEL_FORMAT_BGR_888: + glintformat = GL_RGB; + glformat = GL_RGB; + gltype = GL_UNSIGNED_BYTE; + required_format = COGL_PIXEL_FORMAT_RGB_888; + break; + + /* Just one 32-bit ordering supported */ + case COGL_PIXEL_FORMAT_RGBA_8888: + case COGL_PIXEL_FORMAT_RGBA_8888_PRE: + case COGL_PIXEL_FORMAT_ARGB_8888: + case COGL_PIXEL_FORMAT_ARGB_8888_PRE: + case COGL_PIXEL_FORMAT_ABGR_8888: + case COGL_PIXEL_FORMAT_ABGR_8888_PRE: + case COGL_PIXEL_FORMAT_RGBA_1010102: + case COGL_PIXEL_FORMAT_RGBA_1010102_PRE: + case COGL_PIXEL_FORMAT_BGRA_1010102: + case COGL_PIXEL_FORMAT_BGRA_1010102_PRE: + case COGL_PIXEL_FORMAT_ABGR_2101010: + case COGL_PIXEL_FORMAT_ABGR_2101010_PRE: + case COGL_PIXEL_FORMAT_ARGB_2101010: + case COGL_PIXEL_FORMAT_ARGB_2101010_PRE: + glintformat = GL_RGBA; + glformat = GL_RGBA; + gltype = GL_UNSIGNED_BYTE; + required_format = COGL_PIXEL_FORMAT_RGBA_8888; + required_format |= (format & COGL_PREMULT_BIT); + break; + + /* The following three types of channel ordering + * are always defined using system word byte + * ordering (even according to GLES spec) */ + case COGL_PIXEL_FORMAT_RGB_565: + glintformat = GL_RGB; + glformat = GL_RGB; + gltype = GL_UNSIGNED_SHORT_5_6_5; + break; + case COGL_PIXEL_FORMAT_RGBA_4444: + case COGL_PIXEL_FORMAT_RGBA_4444_PRE: + glintformat = GL_RGBA; + glformat = GL_RGBA; + gltype = GL_UNSIGNED_SHORT_4_4_4_4; + break; + case COGL_PIXEL_FORMAT_RGBA_5551: + case COGL_PIXEL_FORMAT_RGBA_5551_PRE: + glintformat = GL_RGBA; + glformat = GL_RGBA; + gltype = GL_UNSIGNED_SHORT_5_5_5_1; + break; + + case COGL_PIXEL_FORMAT_DEPTH_16: + glintformat = GL_DEPTH_COMPONENT; + glformat = GL_DEPTH_COMPONENT; + gltype = GL_UNSIGNED_SHORT; + break; + case COGL_PIXEL_FORMAT_DEPTH_32: + glintformat = GL_DEPTH_COMPONENT; + glformat = GL_DEPTH_COMPONENT; + gltype = GL_UNSIGNED_INT; + break; + + case COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8: + glintformat = GL_DEPTH_STENCIL; + glformat = GL_DEPTH_STENCIL; + gltype = GL_UNSIGNED_INT_24_8; + break; + + case COGL_PIXEL_FORMAT_ANY: + case COGL_PIXEL_FORMAT_YUV: + g_assert_not_reached (); + break; + } + + /* All of the pixel formats are handled above so if this hits then + we've been given an invalid pixel format */ + g_assert (glformat != 0); + + if (out_glintformat != NULL) + *out_glintformat = glintformat; + if (out_glformat != NULL) + *out_glformat = glformat; + if (out_gltype != NULL) + *out_gltype = gltype; + + return required_format; +} + +static CoglBool +_cogl_get_gl_version (CoglContext *ctx, + int *major_out, + int *minor_out) +{ + const char *version_string; + + /* Get the OpenGL version number */ + if ((version_string = _cogl_context_get_gl_version (ctx)) == NULL) + return FALSE; + + if (!g_str_has_prefix (version_string, "OpenGL ES ")) + return FALSE; + + return _cogl_gl_util_parse_gl_version (version_string + 10, + major_out, + minor_out); +} + +static CoglBool +_cogl_driver_update_features (CoglContext *context, + CoglError **error) +{ + unsigned long private_features + [COGL_FLAGS_N_LONGS_FOR_SIZE (COGL_N_PRIVATE_FEATURES)] = { 0 }; + CoglFeatureFlags flags = 0; + char **gl_extensions; + int gl_major, gl_minor; + int i; + + /* We have to special case getting the pointer to the glGetString + function because we need to use it to determine what functions we + can expect */ + context->glGetString = + (void *) _cogl_renderer_get_proc_address (context->display->renderer, + "glGetString", + TRUE); + + gl_extensions = _cogl_context_get_gl_extensions (context); + + if (G_UNLIKELY (COGL_DEBUG_ENABLED (COGL_DEBUG_WINSYS))) + { + char *all_extensions = g_strjoinv (" ", gl_extensions); + + COGL_NOTE (WINSYS, + "Checking features\n" + " GL_VENDOR: %s\n" + " GL_RENDERER: %s\n" + " GL_VERSION: %s\n" + " GL_EXTENSIONS: %s", + context->glGetString (GL_VENDOR), + context->glGetString (GL_RENDERER), + _cogl_context_get_gl_version (context), + all_extensions); + + g_free (all_extensions); + } + + context->glsl_major = 1; + context->glsl_minor = 0; + context->glsl_version_to_use = 100; + + _cogl_gpu_info_init (context, &context->gpu); + + if (!_cogl_get_gl_version (context, &gl_major, &gl_minor)) + { + gl_major = 1; + gl_minor = 1; + } + + _cogl_feature_check_ext_functions (context, + gl_major, + gl_minor, + gl_extensions); + +#ifdef HAVE_COGL_GLES + if (context->driver == COGL_DRIVER_GLES1) + { + int max_clip_planes; + GE( context, glGetIntegerv (GL_MAX_CLIP_PLANES, &max_clip_planes) ); + if (max_clip_planes >= 4) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_FOUR_CLIP_PLANES, TRUE); + } +#endif + + if (context->driver == COGL_DRIVER_GLES2) + { + flags |= COGL_FEATURE_SHADERS_GLSL | COGL_FEATURE_OFFSCREEN; + /* Note GLES 2 core doesn't support mipmaps for npot textures or + * repeat modes other than CLAMP_TO_EDGE. */ + flags |= COGL_FEATURE_TEXTURE_NPOT_BASIC; + flags |= COGL_FEATURE_DEPTH_RANGE; + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_GLSL, TRUE); + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_OFFSCREEN, TRUE); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, TRUE); + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_DEPTH_RANGE, TRUE); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_MIRRORED_REPEAT, TRUE); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE, TRUE); + + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_BLEND_CONSTANT, TRUE); + } + else if (context->driver == COGL_DRIVER_GLES1) + { + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_GL_FIXED, TRUE); + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_ALPHA_TEST, TRUE); + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_BUILTIN_POINT_SIZE_UNIFORM, TRUE); + } + + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_VBOS, TRUE); + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_ANY_GL, TRUE); + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_ALPHA_TEXTURES, TRUE); + + /* Both GLES 1.1 and GLES 2.0 support point sprites in core */ + flags |= COGL_FEATURE_POINT_SPRITE; + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_POINT_SPRITE, TRUE); + + if (context->glGenRenderbuffers) + { + flags |= COGL_FEATURE_OFFSCREEN; + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_OFFSCREEN, TRUE); + } + + if (context->glBlitFramebuffer) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_OFFSCREEN_BLIT, TRUE); + + if (_cogl_check_extension ("GL_OES_element_index_uint", gl_extensions)) + { + flags |= COGL_FEATURE_UNSIGNED_INT_INDICES; + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_UNSIGNED_INT_INDICES, TRUE); + } + + if (_cogl_check_extension ("GL_OES_depth_texture", gl_extensions)) + { + flags |= COGL_FEATURE_DEPTH_TEXTURE; + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_DEPTH_TEXTURE, TRUE); + } + + if (_cogl_check_extension ("GL_OES_texture_npot", gl_extensions)) + { + flags |= (COGL_FEATURE_TEXTURE_NPOT | + COGL_FEATURE_TEXTURE_NPOT_BASIC | + COGL_FEATURE_TEXTURE_NPOT_MIPMAP | + COGL_FEATURE_TEXTURE_NPOT_REPEAT); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_TEXTURE_NPOT, TRUE); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, TRUE); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP, TRUE); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT, TRUE); + } + else if (_cogl_check_extension ("GL_IMG_texture_npot", gl_extensions)) + { + flags |= (COGL_FEATURE_TEXTURE_NPOT_BASIC | + COGL_FEATURE_TEXTURE_NPOT_MIPMAP); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, TRUE); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP, TRUE); + } + + if (context->glTexImage3D) + { + flags |= COGL_FEATURE_TEXTURE_3D; + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_TEXTURE_3D, TRUE); + } + + if (context->glMapBuffer) + { + /* The GL_OES_mapbuffer extension doesn't support mapping for + read */ + flags |= COGL_FEATURE_MAP_BUFFER_FOR_WRITE; + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE, TRUE); + } + + if (context->glEGLImageTargetTexture2D) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE, TRUE); + + if (_cogl_check_extension ("GL_OES_packed_depth_stencil", gl_extensions)) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_OES_PACKED_DEPTH_STENCIL, TRUE); + + if (_cogl_check_extension ("GL_EXT_texture_format_BGRA8888", gl_extensions)) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_BGRA8888, TRUE); + + if (_cogl_check_extension ("GL_EXT_unpack_subimage", gl_extensions)) + COGL_FLAGS_SET (private_features, + COGL_PRIVATE_FEATURE_UNPACK_SUBIMAGE, TRUE); + + /* A nameless vendor implemented the extension, but got the case wrong + * per the spec. */ + if (_cogl_check_extension ("GL_OES_EGL_sync", gl_extensions) || + _cogl_check_extension ("GL_OES_egl_sync", gl_extensions)) + COGL_FLAGS_SET (private_features, COGL_PRIVATE_FEATURE_OES_EGL_SYNC, TRUE); + + if (_cogl_check_extension ("GL_EXT_texture_rg", gl_extensions)) + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_TEXTURE_RG, + TRUE); + + /* Cache features */ + for (i = 0; i < G_N_ELEMENTS (private_features); i++) + context->private_features[i] |= private_features[i]; + context->feature_flags |= flags; + + g_strfreev (gl_extensions); + + return TRUE; +} + +const CoglDriverVtable +_cogl_driver_gles = + { + _cogl_driver_pixel_format_from_gl_internal, + _cogl_driver_pixel_format_to_gl, + _cogl_driver_update_features, + _cogl_offscreen_gl_allocate, + _cogl_offscreen_gl_free, + _cogl_framebuffer_gl_flush_state, + _cogl_framebuffer_gl_clear, + _cogl_framebuffer_gl_query_bits, + _cogl_framebuffer_gl_finish, + _cogl_framebuffer_gl_discard_buffers, + _cogl_framebuffer_gl_draw_attributes, + _cogl_framebuffer_gl_draw_indexed_attributes, + _cogl_framebuffer_gl_read_pixels_into_bitmap, + _cogl_texture_2d_gl_free, + _cogl_texture_2d_gl_can_create, + _cogl_texture_2d_gl_init, + _cogl_texture_2d_gl_allocate, + _cogl_texture_2d_gl_copy_from_framebuffer, + _cogl_texture_2d_gl_get_gl_handle, + _cogl_texture_2d_gl_generate_mipmap, + _cogl_texture_2d_gl_copy_from_bitmap, + NULL, /* texture_2d_get_data */ + _cogl_gl_flush_attributes_state, + _cogl_clip_stack_gl_flush, + _cogl_buffer_gl_create, + _cogl_buffer_gl_destroy, + _cogl_buffer_gl_map_range, + _cogl_buffer_gl_unmap, + _cogl_buffer_gl_set_data, + }; diff --git a/cogl/driver/gl/gles/cogl-texture-driver-gles.c b/cogl/driver/gl/gles/cogl-texture-driver-gles.c new file mode 100644 index 0000000..f87f1e9 --- /dev/null +++ b/cogl/driver/gl/gles/cogl-texture-driver-gles.c @@ -0,0 +1,652 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Matthew Allum + * Neil Roberts + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-private.h" +#include "cogl-util.h" +#include "cogl-bitmap.h" +#include "cogl-bitmap-private.h" +#include "cogl-texture-private.h" +#include "cogl-pipeline.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-context-private.h" +#include "cogl-object-private.h" +#include "cogl-primitives.h" +#include "cogl-util-gl-private.h" +#include "cogl-error-private.h" +#include "cogl-texture-gl-private.h" + +#include +#include +#include + +#ifndef GL_TEXTURE_3D +#define GL_TEXTURE_3D 0x806F +#endif +#ifndef GL_MAX_3D_TEXTURE_SIZE_OES +#define GL_MAX_3D_TEXTURE_SIZE_OES 0x8073 +#endif + +/* This extension isn't available for GLES 1.1 so these won't be + defined */ +#ifndef GL_UNPACK_ROW_LENGTH +#define GL_UNPACK_ROW_LENGTH 0x0CF2 +#endif +#ifndef GL_UNPACK_SKIP_ROWS +#define GL_UNPACK_SKIP_ROWS 0x0CF3 +#endif +#ifndef GL_UNPACK_SKIP_PIXELS +#define GL_UNPACK_SKIP_PIXELS 0x0CF4 +#endif + +static GLuint +_cogl_texture_driver_gen (CoglContext *ctx, + GLenum gl_target, + CoglPixelFormat internal_format) +{ + GLuint tex; + + GE (ctx, glGenTextures (1, &tex)); + + _cogl_bind_gl_texture_transient (gl_target, tex, FALSE); + + switch (gl_target) + { + case GL_TEXTURE_2D: + case GL_TEXTURE_3D: + /* GL_TEXTURE_MAG_FILTER defaults to GL_LINEAR, no need to set it */ + GE( ctx, glTexParameteri (gl_target, + GL_TEXTURE_MIN_FILTER, + GL_LINEAR) ); + break; + + default: + g_assert_not_reached(); + } + + return tex; +} + +static void +prep_gl_for_pixels_upload_full (CoglContext *ctx, + int pixels_rowstride, + int pixels_src_x, + int pixels_src_y, + int pixels_bpp) +{ + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_UNPACK_SUBIMAGE)) + { + GE( ctx, glPixelStorei (GL_UNPACK_ROW_LENGTH, + pixels_rowstride / pixels_bpp) ); + + GE( ctx, glPixelStorei (GL_UNPACK_SKIP_PIXELS, pixels_src_x) ); + GE( ctx, glPixelStorei (GL_UNPACK_SKIP_ROWS, pixels_src_y) ); + } + else + { + g_assert (pixels_src_x == 0); + g_assert (pixels_src_y == 0); + } + + _cogl_texture_gl_prep_alignment_for_pixels_upload (ctx, pixels_rowstride); +} + +static void +_cogl_texture_driver_prep_gl_for_pixels_upload (CoglContext *ctx, + int pixels_rowstride, + int pixels_bpp) +{ + prep_gl_for_pixels_upload_full (ctx, + pixels_rowstride, + 0, 0, /* src_x/y */ + pixels_bpp); +} + +static void +_cogl_texture_driver_prep_gl_for_pixels_download (CoglContext *ctx, + int pixels_rowstride, + int image_width, + int pixels_bpp) +{ + _cogl_texture_gl_prep_alignment_for_pixels_download (ctx, + pixels_bpp, + image_width, + pixels_rowstride); +} + +static CoglBitmap * +prepare_bitmap_alignment_for_upload (CoglContext *ctx, + CoglBitmap *src_bmp, + CoglError **error) +{ + CoglPixelFormat format = cogl_bitmap_get_format (src_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (format); + int src_rowstride = cogl_bitmap_get_rowstride (src_bmp); + int width = cogl_bitmap_get_width (src_bmp); + int alignment = 1; + + if (_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_UNPACK_SUBIMAGE) || + src_rowstride == 0) + return cogl_object_ref (src_bmp); + + /* Work out the alignment of the source rowstride */ + alignment = 1 << (_cogl_util_ffs (src_rowstride) - 1); + alignment = MIN (alignment, 8); + + /* If the aligned data equals the rowstride then we can upload from + the bitmap directly using GL_UNPACK_ALIGNMENT */ + if (((width * bpp + alignment - 1) & ~(alignment - 1)) == src_rowstride) + return cogl_object_ref (src_bmp); + /* Otherwise we need to copy the bitmap to pack the alignment + because GLES has no GL_ROW_LENGTH */ + else + return _cogl_bitmap_copy (src_bmp, error); +} + +static CoglBool +_cogl_texture_driver_upload_subregion_to_gl (CoglContext *ctx, + CoglTexture *texture, + CoglBool is_foreign, + int src_x, + int src_y, + int dst_x, + int dst_y, + int width, + int height, + int level, + CoglBitmap *source_bmp, + GLuint source_gl_format, + GLuint source_gl_type, + CoglError **error) +{ + GLenum gl_target; + GLuint gl_handle; + uint8_t *data; + CoglPixelFormat source_format = cogl_bitmap_get_format (source_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (source_format); + CoglBitmap *slice_bmp; + int rowstride; + GLenum gl_error; + CoglBool status = TRUE; + CoglError *internal_error = NULL; + int level_width; + int level_height; + + cogl_texture_get_gl_texture (texture, &gl_handle, &gl_target); + + /* If we have the GL_EXT_unpack_subimage extension then we can + upload from subregions directly. Otherwise we may need to copy + the bitmap */ + if (!_cogl_has_private_feature (ctx, COGL_PRIVATE_FEATURE_UNPACK_SUBIMAGE) && + (src_x != 0 || src_y != 0 || + width != cogl_bitmap_get_width (source_bmp) || + height != cogl_bitmap_get_height (source_bmp))) + { + slice_bmp = + _cogl_bitmap_new_with_malloc_buffer (ctx, + width, height, + source_format, + error); + if (!slice_bmp) + return FALSE; + + if (!_cogl_bitmap_copy_subregion (source_bmp, + slice_bmp, + src_x, src_y, + 0, 0, /* dst_x/y */ + width, height, + error)) + { + cogl_object_unref (slice_bmp); + return FALSE; + } + + src_x = src_y = 0; + } + else + { + slice_bmp = prepare_bitmap_alignment_for_upload (ctx, source_bmp, error); + if (!slice_bmp) + return FALSE; + } + + rowstride = cogl_bitmap_get_rowstride (slice_bmp); + + /* Setup gl alignment to match rowstride and top-left corner */ + prep_gl_for_pixels_upload_full (ctx, rowstride, src_x, src_y, bpp); + + data = _cogl_bitmap_gl_bind (slice_bmp, COGL_BUFFER_ACCESS_READ, 0, &internal_error); + + /* NB: _cogl_bitmap_gl_bind() may return NULL when successfull so we + * have to explicitly check the cogl error pointer to catch + * problems... */ + if (internal_error) + { + _cogl_propagate_error (error, internal_error); + cogl_object_unref (slice_bmp); + return FALSE; + } + + _cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign); + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + _cogl_texture_get_level_size (texture, + level, + &level_width, + &level_height, + NULL); + + if (level_width == width && level_height == height) + { + /* GL gets upset if you use glTexSubImage2D to define the + * contents of a mipmap level so we make sure to use + * glTexImage2D if we are uploading a full mipmap level. + */ + ctx->glTexImage2D (gl_target, + level, + _cogl_texture_gl_get_format (texture), + width, + height, + 0, + source_gl_format, + source_gl_type, + data); + } + else + { + /* GL gets upset if you use glTexSubImage2D to initialize the + * contents of a mipmap level so if this is the first time + * we've seen a request to upload to this level we call + * glTexImage2D first to assert that the storage for this + * level exists. + */ + if (texture->max_level < level) + { + ctx->glTexImage2D (gl_target, + level, + _cogl_texture_gl_get_format (texture), + level_width, + level_height, + 0, + source_gl_format, + source_gl_type, + NULL); + } + + ctx->glTexSubImage2D (gl_target, + level, + dst_x, dst_y, + width, height, + source_gl_format, + source_gl_type, + data); + } + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + status = FALSE; + + _cogl_bitmap_gl_unbind (slice_bmp); + + cogl_object_unref (slice_bmp); + + return status; +} + +static CoglBool +_cogl_texture_driver_upload_to_gl (CoglContext *ctx, + GLenum gl_target, + GLuint gl_handle, + CoglBool is_foreign, + CoglBitmap *source_bmp, + GLint internal_gl_format, + GLuint source_gl_format, + GLuint source_gl_type, + CoglError **error) +{ + CoglPixelFormat source_format = cogl_bitmap_get_format (source_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (source_format); + int rowstride; + int bmp_width = cogl_bitmap_get_width (source_bmp); + int bmp_height = cogl_bitmap_get_height (source_bmp); + CoglBitmap *bmp; + uint8_t *data; + GLenum gl_error; + CoglError *internal_error = NULL; + CoglBool status = TRUE; + + bmp = prepare_bitmap_alignment_for_upload (ctx, source_bmp, error); + if (!bmp) + return FALSE; + + rowstride = cogl_bitmap_get_rowstride (bmp); + + /* Setup gl alignment to match rowstride and top-left corner */ + _cogl_texture_driver_prep_gl_for_pixels_upload (ctx, rowstride, bpp); + + _cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign); + + data = _cogl_bitmap_gl_bind (bmp, + COGL_BUFFER_ACCESS_READ, + 0, /* hints */ + &internal_error); + + /* NB: _cogl_bitmap_gl_bind() may return NULL when successful so we + * have to explicitly check the cogl error pointer to catch + * problems... */ + if (internal_error) + { + cogl_object_unref (bmp); + _cogl_propagate_error (error, internal_error); + return FALSE; + } + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glTexImage2D (gl_target, 0, + internal_gl_format, + bmp_width, bmp_height, + 0, + source_gl_format, + source_gl_type, + data); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + status = FALSE; + + _cogl_bitmap_gl_unbind (bmp); + + cogl_object_unref (bmp); + + return status; +} + +static CoglBool +_cogl_texture_driver_upload_to_gl_3d (CoglContext *ctx, + GLenum gl_target, + GLuint gl_handle, + CoglBool is_foreign, + GLint height, + GLint depth, + CoglBitmap *source_bmp, + GLint internal_gl_format, + GLuint source_gl_format, + GLuint source_gl_type, + CoglError **error) +{ + CoglPixelFormat source_format = cogl_bitmap_get_format (source_bmp); + int bpp = _cogl_pixel_format_get_bytes_per_pixel (source_format); + int rowstride = cogl_bitmap_get_rowstride (source_bmp); + int bmp_width = cogl_bitmap_get_width (source_bmp); + int bmp_height = cogl_bitmap_get_height (source_bmp); + uint8_t *data; + GLenum gl_error; + + _cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign); + + /* If the rowstride or image height can't be specified with just + GL_ALIGNMENT alone then we need to copy the bitmap because there + is no GL_ROW_LENGTH */ + if (rowstride / bpp != bmp_width || + height != bmp_height / depth) + { + CoglBitmap *bmp; + int image_height = bmp_height / depth; + CoglPixelFormat source_bmp_format = cogl_bitmap_get_format (source_bmp); + int i; + + _cogl_texture_driver_prep_gl_for_pixels_upload (ctx, bmp_width * bpp, bpp); + + /* Initialize the texture with empty data and then upload each + image with a sub-region update */ + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glTexImage3D (gl_target, + 0, /* level */ + internal_gl_format, + bmp_width, + height, + depth, + 0, + source_gl_format, + source_gl_type, + NULL); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + return FALSE; + + bmp = _cogl_bitmap_new_with_malloc_buffer (ctx, + bmp_width, + height, + source_bmp_format, + error); + if (!bmp) + return FALSE; + + for (i = 0; i < depth; i++) + { + if (!_cogl_bitmap_copy_subregion (source_bmp, + bmp, + 0, image_height * i, + 0, 0, + bmp_width, + height, + error)) + { + cogl_object_unref (bmp); + return FALSE; + } + + data = _cogl_bitmap_gl_bind (bmp, + COGL_BUFFER_ACCESS_READ, 0, error); + if (!data) + { + cogl_object_unref (bmp); + return FALSE; + } + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glTexSubImage3D (gl_target, + 0, /* level */ + 0, /* xoffset */ + 0, /* yoffset */ + i, /* zoffset */ + bmp_width, /* width */ + height, /* height */ + 1, /* depth */ + source_gl_format, + source_gl_type, + data); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + { + cogl_object_unref (bmp); + _cogl_bitmap_gl_unbind (bmp); + return FALSE; + } + + _cogl_bitmap_gl_unbind (bmp); + } + + cogl_object_unref (bmp); + } + else + { + data = _cogl_bitmap_gl_bind (source_bmp, COGL_BUFFER_ACCESS_READ, 0, error); + if (!data) + return FALSE; + + _cogl_texture_driver_prep_gl_for_pixels_upload (ctx, rowstride, bpp); + + /* Clear any GL errors */ + while ((gl_error = ctx->glGetError ()) != GL_NO_ERROR) + ; + + ctx->glTexImage3D (gl_target, + 0, /* level */ + internal_gl_format, + bmp_width, + height, + depth, + 0, + source_gl_format, + source_gl_type, + data); + + if (_cogl_gl_util_catch_out_of_memory (ctx, error)) + { + _cogl_bitmap_gl_unbind (source_bmp); + return FALSE; + } + + _cogl_bitmap_gl_unbind (source_bmp); + } + + return TRUE; +} + +/* NB: GLES doesn't support glGetTexImage2D, so cogl-texture will instead + * fallback to a generic render + readpixels approach to downloading + * texture data. (See _cogl_texture_draw_and_read() ) */ +static CoglBool +_cogl_texture_driver_gl_get_tex_image (CoglContext *ctx, + GLenum gl_target, + GLenum dest_gl_format, + GLenum dest_gl_type, + uint8_t *dest) +{ + return FALSE; +} + +static CoglBool +_cogl_texture_driver_size_supported_3d (CoglContext *ctx, + GLenum gl_target, + GLenum gl_format, + GLenum gl_type, + int width, + int height, + int depth) +{ + GLint max_size; + + /* GLES doesn't support a proxy texture target so let's at least + check whether the size is greater than + GL_MAX_3D_TEXTURE_SIZE_OES */ + GE( ctx, glGetIntegerv (GL_MAX_3D_TEXTURE_SIZE_OES, &max_size) ); + + return width <= max_size && height <= max_size && depth <= max_size; +} + +static CoglBool +_cogl_texture_driver_size_supported (CoglContext *ctx, + GLenum gl_target, + GLenum gl_intformat, + GLenum gl_format, + GLenum gl_type, + int width, + int height) +{ + GLint max_size; + + /* GLES doesn't support a proxy texture target so let's at least + check whether the size is greater than GL_MAX_TEXTURE_SIZE */ + GE( ctx, glGetIntegerv (GL_MAX_TEXTURE_SIZE, &max_size) ); + + return width <= max_size && height <= max_size; +} + +static void +_cogl_texture_driver_try_setting_gl_border_color + (CoglContext *ctx, + GLuint gl_target, + const GLfloat *transparent_color) +{ + /* FAIL! */ +} + +static CoglBool +_cogl_texture_driver_allows_foreign_gl_target (CoglContext *ctx, + GLenum gl_target) +{ + /* Allow 2-dimensional textures only */ + if (gl_target != GL_TEXTURE_2D) + return FALSE; + return TRUE; +} + +static CoglPixelFormat +_cogl_texture_driver_find_best_gl_get_data_format + (CoglContext *context, + CoglPixelFormat format, + GLenum *closest_gl_format, + GLenum *closest_gl_type) +{ + /* Find closest format that's supported by GL + (Can't use _cogl_pixel_format_to_gl since available formats + when reading pixels on GLES are severely limited) */ + *closest_gl_format = GL_RGBA; + *closest_gl_type = GL_UNSIGNED_BYTE; + return COGL_PIXEL_FORMAT_RGBA_8888; +} + +const CoglTextureDriver +_cogl_texture_driver_gles = + { + _cogl_texture_driver_gen, + _cogl_texture_driver_prep_gl_for_pixels_upload, + _cogl_texture_driver_upload_subregion_to_gl, + _cogl_texture_driver_upload_to_gl, + _cogl_texture_driver_upload_to_gl_3d, + _cogl_texture_driver_prep_gl_for_pixels_download, + _cogl_texture_driver_gl_get_tex_image, + _cogl_texture_driver_size_supported, + _cogl_texture_driver_size_supported_3d, + _cogl_texture_driver_try_setting_gl_border_color, + _cogl_texture_driver_allows_foreign_gl_target, + _cogl_texture_driver_find_best_gl_get_data_format + }; diff --git a/cogl/driver/nop/cogl-attribute-nop-private.h b/cogl/driver/nop/cogl-attribute-nop-private.h new file mode 100644 index 0000000..9c8547d --- /dev/null +++ b/cogl/driver/nop/cogl-attribute-nop-private.h @@ -0,0 +1,48 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef _COGL_ATTRIBUTE_NOP_PRIVATE_H_ +#define _COGL_ATTRIBUTE_NOP_PRIVATE_H_ + +#include "cogl-types.h" +#include "cogl-context-private.h" + +void +_cogl_nop_flush_attributes_state (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglFlushLayerState *layers_state, + CoglDrawFlags flags, + CoglAttribute **attributes, + int n_attributes); + +#endif /* _COGL_ATTRIBUTE_NOP_PRIVATE_H_ */ diff --git a/cogl/driver/nop/cogl-attribute-nop.c b/cogl/driver/nop/cogl-attribute-nop.c new file mode 100644 index 0000000..5441d5b --- /dev/null +++ b/cogl/driver/nop/cogl-attribute-nop.c @@ -0,0 +1,49 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-types.h" +#include "cogl-framebuffer.h" +#include "cogl-attribute.h" +#include "cogl-attribute-private.h" +#include "cogl-attribute-nop-private.h" + +void +_cogl_nop_flush_attributes_state (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglFlushLayerState *layers_state, + CoglDrawFlags flags, + CoglAttribute **attributes, + int n_attributes) +{ +} diff --git a/cogl/driver/nop/cogl-clip-stack-nop-private.h b/cogl/driver/nop/cogl-clip-stack-nop-private.h new file mode 100644 index 0000000..4d8513b --- /dev/null +++ b/cogl/driver/nop/cogl-clip-stack-nop-private.h @@ -0,0 +1,44 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef _COGL_CLIP_STACK_NOP_PRIVATE_H_ +#define _COGL_CLIP_STACK_NOP_PRIVATE_H_ + +#include "cogl-types.h" +#include "cogl-context-private.h" + +void +_cogl_clip_stack_nop_flush (CoglClipStack *stack, + CoglFramebuffer *framebuffer); + +#endif /* _COGL_CLIP_STACK_NOP_PRIVATE_H_ */ diff --git a/cogl/driver/nop/cogl-clip-stack-nop.c b/cogl/driver/nop/cogl-clip-stack-nop.c new file mode 100644 index 0000000..314e7e7 --- /dev/null +++ b/cogl/driver/nop/cogl-clip-stack-nop.c @@ -0,0 +1,43 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-clip-stack.h" +#include "cogl-clip-stack-nop-private.h" +#include "cogl-framebuffer-private.h" + +void +_cogl_clip_stack_nop_flush (CoglClipStack *stack, + CoglFramebuffer *framebuffer) +{ +} diff --git a/cogl/driver/nop/cogl-driver-nop.c b/cogl/driver/nop/cogl-driver-nop.c new file mode 100644 index 0000000..53f5975 --- /dev/null +++ b/cogl/driver/nop/cogl-driver-nop.c @@ -0,0 +1,86 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-private.h" +#include "cogl-context-private.h" +#include "cogl-feature-private.h" +#include "cogl-renderer-private.h" +#include "cogl-error-private.h" +#include "cogl-framebuffer-nop-private.h" +#include "cogl-texture-2d-nop-private.h" +#include "cogl-attribute-nop-private.h" +#include "cogl-clip-stack-nop-private.h" + +static CoglBool +_cogl_driver_update_features (CoglContext *ctx, + CoglError **error) +{ + /* _cogl_gpu_info_init (ctx, &ctx->gpu); */ + + memset (ctx->private_features, 0, sizeof (ctx->private_features)); + ctx->feature_flags = 0; + + return TRUE; +} + +const CoglDriverVtable +_cogl_driver_nop = + { + NULL, /* pixel_format_from_gl_internal */ + NULL, /* pixel_format_to_gl */ + _cogl_driver_update_features, + _cogl_offscreen_nop_allocate, + _cogl_offscreen_nop_free, + _cogl_framebuffer_nop_flush_state, + _cogl_framebuffer_nop_clear, + _cogl_framebuffer_nop_query_bits, + _cogl_framebuffer_nop_finish, + _cogl_framebuffer_nop_discard_buffers, + _cogl_framebuffer_nop_draw_attributes, + _cogl_framebuffer_nop_draw_indexed_attributes, + _cogl_framebuffer_nop_read_pixels_into_bitmap, + _cogl_texture_2d_nop_free, + _cogl_texture_2d_nop_can_create, + _cogl_texture_2d_nop_init, + _cogl_texture_2d_nop_allocate, + _cogl_texture_2d_nop_copy_from_framebuffer, + _cogl_texture_2d_nop_get_gl_handle, + _cogl_texture_2d_nop_generate_mipmap, + _cogl_texture_2d_nop_copy_from_bitmap, + NULL, /* texture_2d_get_data */ + _cogl_nop_flush_attributes_state, + _cogl_clip_stack_nop_flush, + }; diff --git a/cogl/driver/nop/cogl-framebuffer-nop-private.h b/cogl/driver/nop/cogl-framebuffer-nop-private.h new file mode 100644 index 0000000..1e9630f --- /dev/null +++ b/cogl/driver/nop/cogl-framebuffer-nop-private.h @@ -0,0 +1,100 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef _COGL_FRAMEBUFFER_NOP_PRIVATE_H_ +#define _COGL_FRAMEBUFFER_NOP_PRIVATE_H_ + +#include "cogl-types.h" +#include "cogl-context-private.h" + +CoglBool +_cogl_offscreen_nop_allocate (CoglOffscreen *offscreen, + CoglError **error); + +void +_cogl_offscreen_nop_free (CoglOffscreen *offscreen); + +void +_cogl_framebuffer_nop_flush_state (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer, + CoglFramebufferState state); + +void +_cogl_framebuffer_nop_clear (CoglFramebuffer *framebuffer, + unsigned long buffers, + float red, + float green, + float blue, + float alpha); + +void +_cogl_framebuffer_nop_query_bits (CoglFramebuffer *framebuffer, + CoglFramebufferBits *bits); + +void +_cogl_framebuffer_nop_finish (CoglFramebuffer *framebuffer); + +void +_cogl_framebuffer_nop_discard_buffers (CoglFramebuffer *framebuffer, + unsigned long buffers); + +void +_cogl_framebuffer_nop_draw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags); + +void +_cogl_framebuffer_nop_draw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags); + +CoglBool +_cogl_framebuffer_nop_read_pixels_into_bitmap (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap, + CoglError **error); + +#endif /* _COGL_FRAMEBUFFER_NOP_PRIVATE_H_ */ diff --git a/cogl/driver/nop/cogl-framebuffer-nop.c b/cogl/driver/nop/cogl-framebuffer-nop.c new file mode 100644 index 0000000..8190784 --- /dev/null +++ b/cogl/driver/nop/cogl-framebuffer-nop.c @@ -0,0 +1,121 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-framebuffer-nop-private.h" + +#include +#include + +void +_cogl_framebuffer_nop_flush_state (CoglFramebuffer *draw_buffer, + CoglFramebuffer *read_buffer, + CoglFramebufferState state) +{ +} + +CoglBool +_cogl_offscreen_nop_allocate (CoglOffscreen *offscreen, + CoglError **error) +{ + return TRUE; +} + +void +_cogl_offscreen_nop_free (CoglOffscreen *offscreen) +{ +} + +void +_cogl_framebuffer_nop_clear (CoglFramebuffer *framebuffer, + unsigned long buffers, + float red, + float green, + float blue, + float alpha) +{ +} + +void +_cogl_framebuffer_nop_query_bits (CoglFramebuffer *framebuffer, + CoglFramebufferBits *bits) +{ + memset (bits, 0, sizeof (CoglFramebufferBits)); +} + +void +_cogl_framebuffer_nop_finish (CoglFramebuffer *framebuffer) +{ +} + +void +_cogl_framebuffer_nop_discard_buffers (CoglFramebuffer *framebuffer, + unsigned long buffers) +{ +} + +void +_cogl_framebuffer_nop_draw_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags) +{ +} + +void +_cogl_framebuffer_nop_draw_indexed_attributes (CoglFramebuffer *framebuffer, + CoglPipeline *pipeline, + CoglVerticesMode mode, + int first_vertex, + int n_vertices, + CoglIndices *indices, + CoglAttribute **attributes, + int n_attributes, + CoglDrawFlags flags) +{ +} + +CoglBool +_cogl_framebuffer_nop_read_pixels_into_bitmap (CoglFramebuffer *framebuffer, + int x, + int y, + CoglReadPixelsFlags source, + CoglBitmap *bitmap, + CoglError **error) +{ + return TRUE; +} diff --git a/cogl/driver/nop/cogl-texture-2d-nop-private.h b/cogl/driver/nop/cogl-texture-2d-nop-private.h new file mode 100644 index 0000000..51de1e3 --- /dev/null +++ b/cogl/driver/nop/cogl-texture-2d-nop-private.h @@ -0,0 +1,103 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Robert Bragg + */ + +#ifndef _COGL_TEXTURE_2D_NOP_PRIVATE_H_ +#define _COGL_TEXTURE_2D_NOP_PRIVATE_H_ + +#include "cogl-types.h" +#include "cogl-context-private.h" +#include "cogl-texture.h" + +void +_cogl_texture_2d_nop_free (CoglTexture2D *tex_2d); + +CoglBool +_cogl_texture_2d_nop_can_create (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format); + +void +_cogl_texture_2d_nop_init (CoglTexture2D *tex_2d); + +CoglBool +_cogl_texture_2d_nop_allocate (CoglTexture *tex, + CoglError **error); + +void +_cogl_texture_2d_nop_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter); + +void +_cogl_texture_2d_nop_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p); + +void +_cogl_texture_2d_nop_copy_from_framebuffer (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglFramebuffer *src_fb, + int dst_x, + int dst_y, + int level); + +unsigned int +_cogl_texture_2d_nop_get_gl_handle (CoglTexture2D *tex_2d); + +void +_cogl_texture_2d_nop_generate_mipmap (CoglTexture2D *tex_2d); + +CoglBool +_cogl_texture_2d_nop_copy_from_bitmap (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglBitmap *bitmap, + int dst_x, + int dst_y, + int level, + CoglError **error); + +void +_cogl_texture_2d_nop_get_data (CoglTexture2D *tex_2d, + CoglPixelFormat format, + size_t rowstride, + uint8_t *data); + +#endif /* _COGL_TEXTURE_2D_NOP_PRIVATE_H_ */ diff --git a/cogl/driver/nop/cogl-texture-2d-nop.c b/cogl/driver/nop/cogl-texture-2d-nop.c new file mode 100644 index 0000000..b521498 --- /dev/null +++ b/cogl/driver/nop/cogl-texture-2d-nop.c @@ -0,0 +1,132 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009,2010,2011,2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-private.h" +#include "cogl-texture-2d-nop-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-error-private.h" + +void +_cogl_texture_2d_nop_free (CoglTexture2D *tex_2d) +{ +} + +CoglBool +_cogl_texture_2d_nop_can_create (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format) +{ + return TRUE; +} + +void +_cogl_texture_2d_nop_init (CoglTexture2D *tex_2d) +{ +} + +CoglBool +_cogl_texture_2d_nop_allocate (CoglTexture *tex, + CoglError **error) +{ + return TRUE; +} + +void +_cogl_texture_2d_nop_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter) +{ +} + +void +_cogl_texture_2d_nop_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p) +{ +} + +void +_cogl_texture_2d_nop_copy_from_framebuffer (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglFramebuffer *src_fb, + int dst_x, + int dst_y, + int level) +{ +} + +unsigned int +_cogl_texture_2d_nop_get_gl_handle (CoglTexture2D *tex_2d) +{ + return 0; +} + +void +_cogl_texture_2d_nop_generate_mipmap (CoglTexture2D *tex_2d) +{ +} + +CoglBool +_cogl_texture_2d_nop_copy_from_bitmap (CoglTexture2D *tex_2d, + int src_x, + int src_y, + int width, + int height, + CoglBitmap *bitmap, + int dst_x, + int dst_y, + int level, + CoglError **error) +{ + return TRUE; +} + +void +_cogl_texture_2d_nop_get_data (CoglTexture2D *tex_2d, + CoglPixelFormat format, + size_t rowstride, + uint8_t *data) +{ +} diff --git a/cogl/gl-prototypes/cogl-all-functions.h b/cogl/gl-prototypes/cogl-all-functions.h new file mode 100644 index 0000000..dda08f7 --- /dev/null +++ b/cogl/gl-prototypes/cogl-all-functions.h @@ -0,0 +1,328 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009, 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This is included multiple times with different definitions for + * these macros. The macros are given the following arguments: + * + * COGL_EXT_BEGIN: + * + * @name: a unique symbol name for this feature + * + * @min_gl_major: the major part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * @min_gl_minor: the minor part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * + * @gles_availability: flags to specify which versions of GLES the + * functions are available in. Should be a combination of + * COGL_EXT_IN_GLES and COGL_EXT_IN_GLES2. + * + * @extension_suffixes: A zero-separated list of suffixes in a + * string. These are appended to the extension name to get a complete + * extension name to try. The suffix is also appended to all of the + * function names. The suffix can optionally include a ':' to specify + * an alternate suffix for the function names. + * + * @extension_names: A list of extension names to try. If any of these + * extensions match then it will be used. + */ + +/* The functions in this file are part of the core GL,GLES1 and GLES2 apis */ +#include "cogl-core-functions.h" + +/* The functions in this file are core to GLES1 only but may also be + * extensions available for GLES2 and GL */ +#include "cogl-in-gles1-core-functions.h" + +/* The functions in this file are core to GLES2 only but + * may be extensions for GLES1 and GL */ +#include "cogl-in-gles2-core-functions.h" + +/* The functions in this file are core to GLES1 and GLES2 but not core + * to GL but they may be extensions available for GL */ +#include "cogl-in-gles-core-functions.h" + +/* These are fixed-function APIs core to GL and GLES1 */ +#include "cogl-fixed-functions.h" + +/* These are GLSL shader APIs core to GL 2.0 and GLES2 */ +#include "cogl-glsl-functions.h" + +/* These are the core GL functions which are only available in big + GL */ +COGL_EXT_BEGIN (only_in_big_gl, + 0, 0, + 0, /* not in GLES */ + "\0", + "\0") +COGL_EXT_FUNCTION (void, glGetTexLevelParameteriv, + (GLenum target, GLint level, + GLenum pname, GLint *params)) +COGL_EXT_FUNCTION (void, glGetTexImage, + (GLenum target, GLint level, + GLenum format, GLenum type, + GLvoid *pixels)) +COGL_EXT_FUNCTION (void, glClipPlane, + (GLenum plane, const double *equation)) +COGL_EXT_FUNCTION (void, glDepthRange, + (double near_val, double far_val)) +COGL_EXT_FUNCTION (void, glDrawBuffer, + (GLenum mode)) +COGL_EXT_END () + + +/* GLES doesn't support mapping buffers in core so this has to be a + separate check */ +COGL_EXT_BEGIN (map_vbos, 1, 5, + 0, /* not in GLES core */ + "ARB\0OES\0", + "vertex_buffer_object\0mapbuffer\0") +COGL_EXT_FUNCTION (void *, glMapBuffer, + (GLenum target, + GLenum access)) +COGL_EXT_FUNCTION (GLboolean, glUnmapBuffer, + (GLenum target)) +COGL_EXT_END () + +COGL_EXT_BEGIN (texture_3d, 1, 2, + 0, /* not in either GLES */ + "OES\0", + "texture_3D\0") +COGL_EXT_FUNCTION (void, glTexImage3D, + (GLenum target, GLint level, + GLint internalFormat, + GLsizei width, GLsizei height, + GLsizei depth, GLint border, + GLenum format, GLenum type, + const GLvoid *pixels)) +COGL_EXT_FUNCTION (void, glTexSubImage3D, + (GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint zoffset, GLsizei width, + GLsizei height, GLsizei depth, + GLenum format, + GLenum type, const GLvoid *pixels)) +COGL_EXT_END () + + + +COGL_EXT_BEGIN (offscreen_blit, 3, 0, + 0, /* not in either GLES */ + "EXT\0ANGLE\0", + "framebuffer_blit\0") +COGL_EXT_FUNCTION (void, glBlitFramebuffer, + (GLint srcX0, + GLint srcY0, + GLint srcX1, + GLint srcY1, + GLint dstX0, + GLint dstY0, + GLint dstX1, + GLint dstY1, + GLbitfield mask, + GLenum filter)) +COGL_EXT_END () + +/* ARB_fragment_program */ +COGL_EXT_BEGIN (arbfp, 255, 255, + 0, /* not in either GLES */ + "ARB\0", + "fragment_program\0") +COGL_EXT_FUNCTION (void, glGenPrograms, + (GLsizei n, + GLuint *programs)) +COGL_EXT_FUNCTION (void, glDeletePrograms, + (GLsizei n, + GLuint *programs)) +COGL_EXT_FUNCTION (void, glBindProgram, + (GLenum target, + GLuint program)) +COGL_EXT_FUNCTION (void, glProgramString, + (GLenum target, + GLenum format, + GLsizei len, + const void *program)) +COGL_EXT_FUNCTION (void, glProgramLocalParameter4fv, + (GLenum target, + GLuint index, + GLfloat *params)) +COGL_EXT_END () + +COGL_EXT_BEGIN (EGL_image, 255, 255, + 0, /* not in either GLES */ + "OES\0", + "EGL_image\0") +COGL_EXT_FUNCTION (void, glEGLImageTargetTexture2D, + (GLenum target, + GLeglImageOES image)) +COGL_EXT_FUNCTION (void, glEGLImageTargetRenderbufferStorage, + (GLenum target, + GLeglImageOES image)) +COGL_EXT_END () + +COGL_EXT_BEGIN (framebuffer_discard, 255, 255, + 0, /* not in either GLES */ + "EXT\0", + "framebuffer_discard\0") +COGL_EXT_FUNCTION (void, glDiscardFramebuffer, + (GLenum target, + GLsizei numAttachments, + const GLenum *attachments)) +COGL_EXT_END () + +COGL_EXT_BEGIN (IMG_multisampled_render_to_texture, 255, 255, + 0, /* not in either GLES */ + "\0", + "IMG_multisampled_render_to_texture\0") +COGL_EXT_FUNCTION (void, glRenderbufferStorageMultisampleIMG, + (GLenum target, + GLsizei samples, + GLenum internal_format, + GLsizei width, + GLsizei height)) +COGL_EXT_FUNCTION (void, glFramebufferTexture2DMultisampleIMG, + (GLenum target, + GLenum attachment, + GLenum textarget, + GLuint texture, + GLint level, + GLsizei samples)) +COGL_EXT_END () + +COGL_EXT_BEGIN (ARB_sampler_objects, 3, 3, + 0, /* not in either GLES */ + "ARB:\0", + "sampler_objects\0") +COGL_EXT_FUNCTION (void, glGenSamplers, + (GLsizei count, + GLuint *samplers)) +COGL_EXT_FUNCTION (void, glDeleteSamplers, + (GLsizei count, + const GLuint *samplers)) +COGL_EXT_FUNCTION (void, glBindSampler, + (GLuint unit, + GLuint sampler)) +COGL_EXT_FUNCTION (void, glSamplerParameteri, + (GLuint sampler, + GLenum pname, + GLint param)) +COGL_EXT_END () + +/* These only list functions that come from the old GLSL extensions. + * Functions that are common to the extensions and GLSL 2.0 should + * instead be listed in cogl-glsl-functions.h */ +COGL_EXT_BEGIN (shader_objects, 255, 255, + 0, /* not in either GLES */ + "ARB\0", + "shader_objects\0") +COGL_EXT_FUNCTION (GLuint, glCreateProgramObject, + (void)) +COGL_EXT_FUNCTION (GLuint, glCreateShaderObject, + (GLenum shaderType)) +COGL_EXT_FUNCTION (void, glDeleteObject, + (GLuint obj)) +COGL_EXT_FUNCTION (void, glAttachObject, + (GLuint container, GLuint obj)) +COGL_EXT_FUNCTION (void, glUseProgramObject, + (GLuint programObj)) +COGL_EXT_FUNCTION (void, glGetInfoLog, + (GLuint obj, + GLsizei maxLength, + GLsizei *length, + char *infoLog)) +COGL_EXT_FUNCTION (void, glGetObjectParameteriv, + (GLuint obj, + GLenum pname, + GLint *params)) +COGL_EXT_FUNCTION (void, glDetachObject, + (GLuint container, GLuint obj)) +COGL_EXT_FUNCTION (void, glGetAttachedObjects, + (GLuint program, + GLsizei maxcount, + GLsizei* count, + GLuint* shaders)) +COGL_EXT_END () + +COGL_EXT_BEGIN (only_gl3, 3, 0, + 0, /* not in either GLES */ + "\0", + "\0") +COGL_EXT_FUNCTION (const GLubyte *, glGetStringi, + (GLenum name, GLuint index)) +COGL_EXT_END () + +COGL_EXT_BEGIN (vertex_array_object, 3, 0, + 0, /* not in either GLES */ + "ARB\0OES\0", + "vertex_array_object\0") +COGL_EXT_FUNCTION (void, glBindVertexArray, + (GLuint array)) +COGL_EXT_FUNCTION (void, glDeleteVertexArrays, + (GLsizei n, + const GLuint *arrays)) +COGL_EXT_FUNCTION (void, glGenVertexArrays, + (GLsizei n, + GLuint *arrays)) +COGL_EXT_END () + +COGL_EXT_BEGIN (map_region, 3, 0, + 0, /* not in either GLES */ + "ARB:\0", + "map_buffer_range\0") +COGL_EXT_FUNCTION (GLvoid *, glMapBufferRange, + (GLenum target, + GLintptr offset, + GLsizeiptr length, + GLbitfield access)) +COGL_EXT_END () + +#ifdef GL_ARB_sync +COGL_EXT_BEGIN (sync, 3, 2, + 0, /* not in either GLES */ + "ARB:\0", + "sync\0") +COGL_EXT_FUNCTION (GLsync, glFenceSync, + (GLenum condition, GLbitfield flags)) +COGL_EXT_FUNCTION (GLenum, glClientWaitSync, + (GLsync sync, GLbitfield flags, GLuint64 timeout)) +COGL_EXT_FUNCTION (void, glDeleteSync, + (GLsync sync)) +COGL_EXT_END () +#endif + +COGL_EXT_BEGIN (draw_buffers, 2, 0, + COGL_EXT_IN_GLES3, + "ARB\0EXT\0", + "draw_buffers\0") +COGL_EXT_FUNCTION (void, glDrawBuffers, + (GLsizei n, const GLenum *bufs)) +COGL_EXT_END () diff --git a/cogl/gl-prototypes/cogl-core-functions.h b/cogl/gl-prototypes/cogl-core-functions.h new file mode 100644 index 0000000..f37041b --- /dev/null +++ b/cogl/gl-prototypes/cogl-core-functions.h @@ -0,0 +1,198 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009, 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This is included multiple times with different definitions for + * these macros. The macros are given the following arguments: + * + * COGL_EXT_BEGIN: + * + * @name: a unique symbol name for this feature + * + * @min_gl_major: the major part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * @min_gl_minor: the minor part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * + * @gles_availability: flags to specify which versions of GLES the + * functions are available in. Should be a combination of + * COGL_EXT_IN_GLES and COGL_EXT_IN_GLES2. + * + * @extension_suffixes: A zero-separated list of suffixes in a + * string. These are appended to the extension name to get a complete + * extension name to try. The suffix is also appended to all of the + * function names. The suffix can optionally include a ':' to specify + * an alternate suffix for the function names. + * + * @extension_names: A list of extension names to try. If any of these + * extensions match then it will be used. + */ + +/* These are the core GL functions which we assume will always be + available */ +COGL_EXT_BEGIN (core, + 0, 0, + COGL_EXT_IN_GLES | COGL_EXT_IN_GLES2, + "\0", + "\0") +COGL_EXT_FUNCTION (void, glBindTexture, + (GLenum target, GLuint texture)) +COGL_EXT_FUNCTION (void, glBlendFunc, + (GLenum sfactor, GLenum dfactor)) +COGL_EXT_FUNCTION (void, glClear, + (GLbitfield mask)) +COGL_EXT_FUNCTION (void, glClearColor, + (GLclampf red, + GLclampf green, + GLclampf blue, + GLclampf alpha)) +COGL_EXT_FUNCTION (void, glClearStencil, + (GLint s)) +COGL_EXT_FUNCTION (void, glColorMask, + (GLboolean red, + GLboolean green, + GLboolean blue, + GLboolean alpha)) +COGL_EXT_FUNCTION (void, glCopyTexSubImage2D, + (GLenum target, + GLint level, + GLint xoffset, + GLint yoffset, + GLint x, + GLint y, + GLsizei width, + GLsizei height)) +COGL_EXT_FUNCTION (void, glDeleteTextures, + (GLsizei n, const GLuint* textures)) +COGL_EXT_FUNCTION (void, glDepthFunc, + (GLenum func)) +COGL_EXT_FUNCTION (void, glDepthMask, + (GLboolean flag)) +COGL_EXT_FUNCTION (void, glDisable, + (GLenum cap)) +COGL_EXT_FUNCTION (void, glDrawArrays, + (GLenum mode, GLint first, GLsizei count)) +COGL_EXT_FUNCTION (void, glDrawElements, + (GLenum mode, + GLsizei count, + GLenum type, + const GLvoid* indices)) +COGL_EXT_FUNCTION (void, glEnable, + (GLenum cap)) +COGL_EXT_FUNCTION (void, glFinish, + (void)) +COGL_EXT_FUNCTION (void, glFlush, + (void)) +COGL_EXT_FUNCTION (void, glFrontFace, + (GLenum mode)) +COGL_EXT_FUNCTION (void, glCullFace, + (GLenum mode)) +COGL_EXT_FUNCTION (void, glGenTextures, + (GLsizei n, GLuint* textures)) +COGL_EXT_FUNCTION (GLenum, glGetError, + (void)) +COGL_EXT_FUNCTION (void, glGetIntegerv, + (GLenum pname, GLint* params)) +COGL_EXT_FUNCTION (void, glGetBooleanv, + (GLenum pname, GLboolean* params)) +COGL_EXT_FUNCTION (void, glGetFloatv, + (GLenum pname, GLfloat* params)) +COGL_EXT_FUNCTION (const GLubyte*, glGetString, + (GLenum name)) +COGL_EXT_FUNCTION (void, glHint, + (GLenum target, GLenum mode)) +COGL_EXT_FUNCTION (GLboolean, glIsTexture, + (GLuint texture)) +COGL_EXT_FUNCTION (void, glPixelStorei, + (GLenum pname, GLint param)) +COGL_EXT_FUNCTION (void, glReadPixels, + (GLint x, + GLint y, + GLsizei width, + GLsizei height, + GLenum format, + GLenum type, + GLvoid* pixels)) +COGL_EXT_FUNCTION (void, glScissor, + (GLint x, GLint y, GLsizei width, GLsizei height)) +COGL_EXT_FUNCTION (void, glStencilFunc, + (GLenum func, GLint ref, GLuint mask)) +COGL_EXT_FUNCTION (void, glStencilMask, + (GLuint mask)) +COGL_EXT_FUNCTION (void, glStencilOp, + (GLenum fail, GLenum zfail, GLenum zpass)) +COGL_EXT_FUNCTION (void, glTexImage2D, + (GLenum target, + GLint level, + GLint internalformat, + GLsizei width, + GLsizei height, + GLint border, + GLenum format, + GLenum type, + const GLvoid* pixels)) +COGL_EXT_FUNCTION (void, glTexParameterf, + (GLenum target, GLenum pname, GLfloat param)) +COGL_EXT_FUNCTION (void, glTexParameterfv, + (GLenum target, GLenum pname, const GLfloat* params)) +COGL_EXT_FUNCTION (void, glTexParameteri, + (GLenum target, GLenum pname, GLint param)) +COGL_EXT_FUNCTION (void, glTexParameteriv, + (GLenum target, GLenum pname, const GLint* params)) +COGL_EXT_FUNCTION (void, glGetTexParameterfv, + (GLenum target, GLenum pname, GLfloat* params)) +COGL_EXT_FUNCTION (void, glGetTexParameteriv, + (GLenum target, GLenum pname, GLint* params)) +COGL_EXT_FUNCTION (void, glTexSubImage2D, + (GLenum target, + GLint level, + GLint xoffset, + GLint yoffset, + GLsizei width, + GLsizei height, + GLenum format, + GLenum type, + const GLvoid* pixels)) +COGL_EXT_FUNCTION (void, glCopyTexImage2D, + (GLenum target, + GLint level, + GLenum internalformat, + GLint x, + GLint y, + GLsizei width, + GLsizei height, + GLint border)) +COGL_EXT_FUNCTION (void, glViewport, + (GLint x, GLint y, GLsizei width, GLsizei height)) +COGL_EXT_FUNCTION (GLboolean, glIsEnabled, (GLenum cap)) +COGL_EXT_FUNCTION (void, glLineWidth, (GLfloat width)) +COGL_EXT_FUNCTION (void, glPolygonOffset, (GLfloat factor, GLfloat units)) +COGL_EXT_END () diff --git a/cogl/gl-prototypes/cogl-fixed-functions.h b/cogl/gl-prototypes/cogl-fixed-functions.h new file mode 100644 index 0000000..ce7b4e0 --- /dev/null +++ b/cogl/gl-prototypes/cogl-fixed-functions.h @@ -0,0 +1,119 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009, 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This is included multiple times with different definitions for + * these macros. The macros are given the following arguments: + * + * COGL_EXT_BEGIN: + * + * @name: a unique symbol name for this feature + * + * @min_gl_major: the major part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * @min_gl_minor: the minor part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * + * @gles_availability: flags to specify which versions of GLES the + * functions are available in. Should be a combination of + * COGL_EXT_IN_GLES and COGL_EXT_IN_GLES2. + * + * @extension_suffixes: A zero-separated list of suffixes in a + * string. These are appended to the extension name to get a complete + * extension name to try. The suffix is also appended to all of the + * function names. The suffix can optionally include a ':' to specify + * an alternate suffix for the function names. + * + * @extension_names: A list of extension names to try. If any of these + * extensions match then it will be used. + */ + +/* These are the core GL functions which are available when the API + supports fixed-function (ie, GL and GLES1.1) */ +COGL_EXT_BEGIN (fixed_function_core, + 0, 0, + COGL_EXT_IN_GLES, + "\0", + "\0") +COGL_EXT_FUNCTION (void, glAlphaFunc, + (GLenum func, GLclampf ref)) +COGL_EXT_FUNCTION (void, glFogf, + (GLenum pname, GLfloat param)) +COGL_EXT_FUNCTION (void, glFogfv, + (GLenum pname, const GLfloat *params)) +COGL_EXT_FUNCTION (void, glLoadMatrixf, + (const GLfloat *m)) +COGL_EXT_FUNCTION (void, glMaterialfv, + (GLenum face, GLenum pname, const GLfloat *params)) +COGL_EXT_FUNCTION (void, glPointSize, + (GLfloat size)) +COGL_EXT_FUNCTION (void, glTexEnvfv, + (GLenum target, GLenum pname, const GLfloat *params)) +COGL_EXT_FUNCTION (void, glColor4ub, + (GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha)) +COGL_EXT_FUNCTION (void, glColor4f, + (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)) +COGL_EXT_FUNCTION (void, glColorPointer, + (GLint size, + GLenum type, + GLsizei stride, + const GLvoid *pointer)) +COGL_EXT_FUNCTION (void, glDisableClientState, + (GLenum array)) +COGL_EXT_FUNCTION (void, glEnableClientState, + (GLenum array)) +COGL_EXT_FUNCTION (void, glLoadIdentity, + (void)) +COGL_EXT_FUNCTION (void, glMatrixMode, + (GLenum mode)) +COGL_EXT_FUNCTION (void, glNormal3f, + (GLfloat x, GLfloat y, GLfloat z)) +COGL_EXT_FUNCTION (void, glNormalPointer, + (GLenum type, GLsizei stride, const GLvoid *pointer)) +COGL_EXT_FUNCTION (void, glMultiTexCoord4f, + (GLfloat s, GLfloat t, GLfloat r, GLfloat q)) +COGL_EXT_FUNCTION (void, glTexCoordPointer, + (GLint size, + GLenum type, + GLsizei stride, + const GLvoid *pointer)) +COGL_EXT_FUNCTION (void, glTexEnvi, + (GLenum target, + GLenum pname, + GLint param)) +COGL_EXT_FUNCTION (void, glVertex4f, + (GLfloat x, GLfloat y, GLfloat z, GLfloat w)) +COGL_EXT_FUNCTION (void, glVertexPointer, + (GLint size, + GLenum type, + GLsizei stride, + const GLvoid *pointer)) +COGL_EXT_END () diff --git a/cogl/gl-prototypes/cogl-gles1-functions.h b/cogl/gl-prototypes/cogl-gles1-functions.h new file mode 100644 index 0000000..774b9b3 --- /dev/null +++ b/cogl/gl-prototypes/cogl-gles1-functions.h @@ -0,0 +1,43 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009, 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* The functions in this file are part of the core GL,GLES1 and GLES2 apis */ +#include "cogl-core-functions.h" + +/* The functions in this file are core to GLES1 and GLES2 but not core + * to GL but they may be extensions available for GL */ +#include "cogl-in-gles-core-functions.h" + +/* The functions in this file are core to GLES1 only but + * may be extensions for GLES2 and GL */ +#include "cogl-in-gles1-core-functions.h" + +/* These are fixed-function APIs core to GL and GLES1 */ +#include "cogl-fixed-functions.h" diff --git a/cogl/gl-prototypes/cogl-gles2-functions.h b/cogl/gl-prototypes/cogl-gles2-functions.h new file mode 100644 index 0000000..aeb57a4 --- /dev/null +++ b/cogl/gl-prototypes/cogl-gles2-functions.h @@ -0,0 +1,43 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009, 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* The functions in this file are part of the core GL,GLES1 and GLES2 apis */ +#include "cogl-core-functions.h" + +/* The functions in this file are core to GLES1 and GLES2 but not core + * to GL but they may be extensions available for GL */ +#include "cogl-in-gles-core-functions.h" + +/* The functions in this file are core to GLES2 only but + * may be extensions for GLES1 and GL */ +#include "cogl-in-gles2-core-functions.h" + +/* These are APIs for using GLSL used by GL and GLES2 */ +#include "cogl-glsl-functions.h" diff --git a/cogl/gl-prototypes/cogl-glsl-functions.h b/cogl/gl-prototypes/cogl-glsl-functions.h new file mode 100644 index 0000000..980f8ad --- /dev/null +++ b/cogl/gl-prototypes/cogl-glsl-functions.h @@ -0,0 +1,286 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009, 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This is included multiple times with different definitions for + * these macros. The macros are given the following arguments: + * + * COGL_EXT_BEGIN: + * + * @name: a unique symbol name for this feature + * + * @min_gl_major: the major part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * @min_gl_minor: the minor part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * + * @gles_availability: flags to specify which versions of GLES the + * functions are available in. Should be a combination of + * COGL_EXT_IN_GLES and COGL_EXT_IN_GLES2. + * + * @extension_suffixes: A zero-separated list of suffixes in a + * string. These are appended to the extension name to get a complete + * extension name to try. The suffix is also appended to all of the + * function names. The suffix can optionally include a ':' to specify + * an alternate suffix for the function names. + * + * @extension_names: A list of extension names to try. If any of these + * extensions match then it will be used. + */ + +/* This lists functions that are unique to GL 2.0 or GLES 2.0 and are + * not in the old GLSL extensions */ +COGL_EXT_BEGIN (shaders_glsl_2_only, 2, 0, + COGL_EXT_IN_GLES2, + "\0", + "\0") +COGL_EXT_FUNCTION (GLuint, glCreateProgram, + (void)) +COGL_EXT_FUNCTION (GLuint, glCreateShader, + (GLenum shaderType)) +COGL_EXT_FUNCTION (void, glDeleteShader, + (GLuint shader)) +COGL_EXT_FUNCTION (void, glAttachShader, + (GLuint program, + GLuint shader)) +COGL_EXT_FUNCTION (void, glUseProgram, + (GLuint program)) +COGL_EXT_FUNCTION (void, glDeleteProgram, + (GLuint program)) +COGL_EXT_FUNCTION (void, glGetShaderInfoLog, + (GLuint shader, + GLsizei maxLength, + GLsizei *length, + char *infoLog)) +COGL_EXT_FUNCTION (void, glGetProgramInfoLog, + (GLuint program, + GLsizei bufSize, + GLsizei *length, + char *infoLog)) +COGL_EXT_FUNCTION (void, glGetShaderiv, + (GLuint shader, + GLenum pname, + GLint *params)) +COGL_EXT_FUNCTION (void, glGetProgramiv, + (GLuint program, + GLenum pname, + GLint *params)) +COGL_EXT_FUNCTION (void, glDetachShader, + (GLuint program, GLuint shader)) +COGL_EXT_FUNCTION (void, glGetAttachedShaders, + (GLuint program, + GLsizei maxcount, + GLsizei* count, + GLuint* shaders)) +COGL_EXT_FUNCTION (GLboolean, glIsShader, + (GLuint shader)) +COGL_EXT_FUNCTION (GLboolean, glIsProgram, + (GLuint program)) +COGL_EXT_END () + +/* These functions are provided by GL_ARB_shader_objects or are in GL + * 2.0 core */ +COGL_EXT_BEGIN (shader_objects_or_gl2, 2, 0, + COGL_EXT_IN_GLES2, + "ARB\0", + "shader_objects\0") +COGL_EXT_FUNCTION (void, glShaderSource, + (GLuint shader, + GLsizei count, + const char * const *string, + const GLint *length)) +COGL_EXT_FUNCTION (void, glCompileShader, + (GLuint shader)) +COGL_EXT_FUNCTION (void, glLinkProgram, + (GLuint program)) +COGL_EXT_FUNCTION (GLint, glGetUniformLocation, + (GLuint program, + const char *name)) +COGL_EXT_FUNCTION (void, glUniform1f, + (GLint location, + GLfloat v0)) +COGL_EXT_FUNCTION (void, glUniform2f, + (GLint location, + GLfloat v0, + GLfloat v1)) +COGL_EXT_FUNCTION (void, glUniform3f, + (GLint location, + GLfloat v0, + GLfloat v1, + GLfloat v2)) +COGL_EXT_FUNCTION (void, glUniform4f, + (GLint location, + GLfloat v0, + GLfloat v1, + GLfloat v2, + GLfloat v3)) +COGL_EXT_FUNCTION (void, glUniform1fv, + (GLint location, + GLsizei count, + const GLfloat * value)) +COGL_EXT_FUNCTION (void, glUniform2fv, + (GLint location, + GLsizei count, + const GLfloat * value)) +COGL_EXT_FUNCTION (void, glUniform3fv, + (GLint location, + GLsizei count, + const GLfloat * value)) +COGL_EXT_FUNCTION (void, glUniform4fv, + (GLint location, + GLsizei count, + const GLfloat * value)) +COGL_EXT_FUNCTION (void, glUniform1i, + (GLint location, + GLint v0)) +COGL_EXT_FUNCTION (void, glUniform2i, + (GLint location, + GLint v0, + GLint v1)) +COGL_EXT_FUNCTION (void, glUniform3i, + (GLint location, + GLint v0, + GLint v1, + GLint v2)) +COGL_EXT_FUNCTION (void, glUniform4i, + (GLint location, + GLint v0, + GLint v1, + GLint v2, + GLint v3)) +COGL_EXT_FUNCTION (void, glUniform1iv, + (GLint location, + GLsizei count, + const GLint * value)) +COGL_EXT_FUNCTION (void, glUniform2iv, + (GLint location, + GLsizei count, + const GLint * value)) +COGL_EXT_FUNCTION (void, glUniform3iv, + (GLint location, + GLsizei count, + const GLint * value)) +COGL_EXT_FUNCTION (void, glUniform4iv, + (GLint location, + GLsizei count, + const GLint * value)) +COGL_EXT_FUNCTION (void, glUniformMatrix2fv, + (GLint location, + GLsizei count, + GLboolean transpose, + const GLfloat *value)) +COGL_EXT_FUNCTION (void, glUniformMatrix3fv, + (GLint location, + GLsizei count, + GLboolean transpose, + const GLfloat *value)) +COGL_EXT_FUNCTION (void, glUniformMatrix4fv, + (GLint location, + GLsizei count, + GLboolean transpose, + const GLfloat *value)) + +COGL_EXT_FUNCTION (void, glGetUniformfv, + (GLuint program, + GLint location, + GLfloat *params)) +COGL_EXT_FUNCTION (void, glGetUniformiv, + (GLuint program, + GLint location, + GLint *params)) +COGL_EXT_FUNCTION (void, glGetActiveUniform, + (GLuint program, + GLuint index, + GLsizei bufsize, + GLsizei* length, + GLint* size, + GLenum* type, + GLchar* name)) +COGL_EXT_FUNCTION (void, glGetShaderSource, + (GLuint shader, + GLsizei bufsize, + GLsizei* length, + GLchar* source)) +COGL_EXT_FUNCTION (void, glValidateProgram, (GLuint program)) +COGL_EXT_END () + +/* These functions are provided by GL_ARB_vertex_shader or are in GL + * 2.0 core */ +COGL_EXT_BEGIN (vertex_shaders, 2, 0, + COGL_EXT_IN_GLES2, + "ARB\0", + "vertex_shader\0") +COGL_EXT_FUNCTION (void, glVertexAttribPointer, + (GLuint index, + GLint size, + GLenum type, + GLboolean normalized, + GLsizei stride, + const GLvoid *pointer)) +COGL_EXT_FUNCTION (void, glEnableVertexAttribArray, + (GLuint index)) +COGL_EXT_FUNCTION (void, glDisableVertexAttribArray, + (GLuint index)) +COGL_EXT_FUNCTION (void, glVertexAttrib1f, (GLuint indx, GLfloat x)) +COGL_EXT_FUNCTION (void, glVertexAttrib1fv, + (GLuint indx, const GLfloat* values)) +COGL_EXT_FUNCTION (void, glVertexAttrib2f, (GLuint indx, GLfloat x, GLfloat y)) +COGL_EXT_FUNCTION (void, glVertexAttrib2fv, + (GLuint indx, const GLfloat* values)) +COGL_EXT_FUNCTION (void, glVertexAttrib3f, + (GLuint indx, GLfloat x, GLfloat y, GLfloat z)) +COGL_EXT_FUNCTION (void, glVertexAttrib3fv, + (GLuint indx, const GLfloat* values)) +COGL_EXT_FUNCTION (void, glVertexAttrib4f, + (GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)) +COGL_EXT_FUNCTION (void, glVertexAttrib4fv, + (GLuint indx, const GLfloat* values)) +COGL_EXT_FUNCTION (void, glGetVertexAttribfv, + (GLuint index, GLenum pname, GLfloat* params)) +COGL_EXT_FUNCTION (void, glGetVertexAttribiv, + (GLuint index, GLenum pname, GLint* params)) +COGL_EXT_FUNCTION (void, glGetVertexAttribPointerv, + (GLuint index, GLenum pname, GLvoid** pointer)) +COGL_EXT_FUNCTION (GLint, glGetAttribLocation, + (GLuint program, const char *name)) +COGL_EXT_FUNCTION (void, glBindAttribLocation, + (GLuint program, + GLuint index, + const GLchar* name)) +COGL_EXT_FUNCTION (void, glGetActiveAttrib, + (GLuint program, + GLuint index, + GLsizei bufsize, + GLsizei* length, + GLint* size, + GLenum* type, + GLchar* name)) +COGL_EXT_END () diff --git a/cogl/gl-prototypes/cogl-in-gles-core-functions.h b/cogl/gl-prototypes/cogl-in-gles-core-functions.h new file mode 100644 index 0000000..5679e72 --- /dev/null +++ b/cogl/gl-prototypes/cogl-in-gles-core-functions.h @@ -0,0 +1,148 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009, 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This is included multiple times with different definitions for + * these macros. The macros are given the following arguments: + * + * COGL_EXT_BEGIN: + * + * @name: a unique symbol name for this feature + * + * @min_gl_major: the major part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * @min_gl_minor: the minor part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * + * @gles_availability: flags to specify which versions of GLES the + * functions are available in. Should be a combination of + * COGL_EXT_IN_GLES and COGL_EXT_IN_GLES2. + * + * @extension_suffixes: A zero-separated list of suffixes in a + * string. These are appended to the extension name to get a complete + * extension name to try. The suffix is also appended to all of the + * function names. The suffix can optionally include a ':' to specify + * an alternate suffix for the function names. + * + * @extension_names: A list of extension names to try. If any of these + * extensions match then it will be used. + */ + +COGL_EXT_BEGIN (only_in_both_gles, + 4, 1, + COGL_EXT_IN_GLES | + COGL_EXT_IN_GLES2, + "ARB\0", + "ES2_compatibility\0") +COGL_EXT_FUNCTION (void, glDepthRangef, + (GLfloat near_val, GLfloat far_val)) +COGL_EXT_FUNCTION (void, glClearDepthf, + (GLclampf depth)) +COGL_EXT_END () + +COGL_EXT_BEGIN (only_in_both_gles_and_gl_1_3, + 1, 3, + COGL_EXT_IN_GLES | + COGL_EXT_IN_GLES2, + "\0", + "\0") +COGL_EXT_FUNCTION (void, glCompressedTexImage2D, + (GLenum target, + GLint level, + GLenum internalformat, + GLsizei width, + GLsizei height, + GLint border, + GLsizei imageSize, + const GLvoid* data)) +COGL_EXT_FUNCTION (void, glCompressedTexSubImage2D, + (GLenum target, + GLint level, + GLint xoffset, + GLint yoffset, + GLsizei width, + GLsizei height, + GLenum format, + GLsizei imageSize, + const GLvoid* data)) +COGL_EXT_FUNCTION (void, glSampleCoverage, + (GLclampf value, GLboolean invert)) +COGL_EXT_END () + +COGL_EXT_BEGIN (only_in_both_gles_and_gl_1_5, + 1, 5, + COGL_EXT_IN_GLES | + COGL_EXT_IN_GLES2, + "\0", + "\0") +COGL_EXT_FUNCTION (void, glGetBufferParameteriv, + (GLenum target, GLenum pname, GLint* params)) +COGL_EXT_END () + +COGL_EXT_BEGIN (vbos, 1, 5, + COGL_EXT_IN_GLES | + COGL_EXT_IN_GLES2, + "ARB\0", + "vertex_buffer_object\0") +COGL_EXT_FUNCTION (void, glGenBuffers, + (GLsizei n, + GLuint *buffers)) +COGL_EXT_FUNCTION (void, glBindBuffer, + (GLenum target, + GLuint buffer)) +COGL_EXT_FUNCTION (void, glBufferData, + (GLenum target, + GLsizeiptr size, + const GLvoid *data, + GLenum usage)) +COGL_EXT_FUNCTION (void, glBufferSubData, + (GLenum target, + GLintptr offset, + GLsizeiptr size, + const GLvoid *data)) +COGL_EXT_FUNCTION (void, glDeleteBuffers, + (GLsizei n, + const GLuint *buffers)) +COGL_EXT_FUNCTION (GLboolean, glIsBuffer, + (GLuint buffer)) +COGL_EXT_END () + +/* Available in GL 1.3, the multitexture extension or GLES. These are + required */ +COGL_EXT_BEGIN (multitexture_part0, 1, 3, + COGL_EXT_IN_GLES | + COGL_EXT_IN_GLES2, + "ARB\0", + "multitexture\0") +COGL_EXT_FUNCTION (void, glActiveTexture, + (GLenum texture)) +COGL_EXT_END () + diff --git a/cogl/gl-prototypes/cogl-in-gles1-core-functions.h b/cogl/gl-prototypes/cogl-in-gles1-core-functions.h new file mode 100644 index 0000000..20dc1a8 --- /dev/null +++ b/cogl/gl-prototypes/cogl-in-gles1-core-functions.h @@ -0,0 +1,78 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009, 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This is included multiple times with different definitions for + * these macros. The macros are given the following arguments: + * + * COGL_EXT_BEGIN: + * + * @name: a unique symbol name for this feature + * + * @min_gl_major: the major part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * @min_gl_minor: the minor part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * + * @gles_availability: flags to specify which versions of GLES the + * functions are available in. Should be a combination of + * COGL_EXT_IN_GLES and COGL_EXT_IN_GLES2. + * + * @extension_suffixes: A zero-separated list of suffixes in a + * string. These are appended to the extension name to get a complete + * extension name to try. The suffix is also appended to all of the + * function names. The suffix can optionally include a ':' to specify + * an alternate suffix for the function names. + * + * @extension_names: A list of extension names to try. If any of these + * extensions match then it will be used. + */ + +/* These functions are only available in GLES and are used as + replacements for some GL equivalents that only accept double + arguments */ +COGL_EXT_BEGIN (only_in_gles1, + 255, 255, + COGL_EXT_IN_GLES, + "\0", + "\0") +COGL_EXT_FUNCTION (void, glClipPlanef, + (GLenum plane, const GLfloat *equation)) +COGL_EXT_END () + +COGL_EXT_BEGIN (multitexture_part1, 1, 3, + COGL_EXT_IN_GLES, + "ARB\0", + "multitexture\0") +COGL_EXT_FUNCTION (void, glClientActiveTexture, + (GLenum texture)) +COGL_EXT_END () + diff --git a/cogl/gl-prototypes/cogl-in-gles2-core-functions.h b/cogl/gl-prototypes/cogl-in-gles2-core-functions.h new file mode 100644 index 0000000..1e2f79e --- /dev/null +++ b/cogl/gl-prototypes/cogl-in-gles2-core-functions.h @@ -0,0 +1,186 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2009, 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This is included multiple times with different definitions for + * these macros. The macros are given the following arguments: + * + * COGL_EXT_BEGIN: + * + * @name: a unique symbol name for this feature + * + * @min_gl_major: the major part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * @min_gl_minor: the minor part of the minimum GL version where these + * functions are available in core, or 255 if it isn't available in + * any version. + * + * @gles_availability: flags to specify which versions of GLES the + * functions are available in. Should be a combination of + * COGL_EXT_IN_GLES and COGL_EXT_IN_GLES2. + * + * @extension_suffixes: A zero-separated list of suffixes in a + * string. These are appended to the extension name to get a complete + * extension name to try. The suffix is also appended to all of the + * function names. The suffix can optionally include a ':' to specify + * an alternate suffix for the function names. + * + * @extension_names: A list of extension names to try. If any of these + * extensions match then it will be used. + */ + +COGL_EXT_BEGIN (offscreen, + 3, 0, + COGL_EXT_IN_GLES2, + /* for some reason the ARB version of this + extension doesn't have an ARB suffix for the + functions */ + "ARB:\0EXT\0OES\0", + "framebuffer_object\0") +COGL_EXT_FUNCTION (void, glGenRenderbuffers, + (GLsizei n, + GLuint *renderbuffers)) +COGL_EXT_FUNCTION (void, glDeleteRenderbuffers, + (GLsizei n, + const GLuint *renderbuffers)) +COGL_EXT_FUNCTION (void, glBindRenderbuffer, + (GLenum target, + GLuint renderbuffer)) +COGL_EXT_FUNCTION (void, glRenderbufferStorage, + (GLenum target, + GLenum internalformat, + GLsizei width, + GLsizei height)) +COGL_EXT_FUNCTION (void, glGenFramebuffers, + (GLsizei n, + GLuint *framebuffers)) +COGL_EXT_FUNCTION (void, glBindFramebuffer, + (GLenum target, + GLuint framebuffer)) +COGL_EXT_FUNCTION (void, glFramebufferTexture2D, + (GLenum target, + GLenum attachment, + GLenum textarget, + GLuint texture, + GLint level)) +COGL_EXT_FUNCTION (void, glFramebufferRenderbuffer, + (GLenum target, + GLenum attachment, + GLenum renderbuffertarget, + GLuint renderbuffer)) +COGL_EXT_FUNCTION (GLboolean, glIsRenderbuffer, + (GLuint renderbuffer)) +COGL_EXT_FUNCTION (GLenum, glCheckFramebufferStatus, + (GLenum target)) +COGL_EXT_FUNCTION (void, glDeleteFramebuffers, + (GLsizei n, + const GLuint *framebuffers)) +COGL_EXT_FUNCTION (void, glGenerateMipmap, + (GLenum target)) +COGL_EXT_FUNCTION (void, glGetFramebufferAttachmentParameteriv, + (GLenum target, + GLenum attachment, + GLenum pname, + GLint *params)) +COGL_EXT_FUNCTION (void, glGetRenderbufferParameteriv, + (GLenum target, + GLenum pname, + GLint *params)) +COGL_EXT_FUNCTION (GLboolean, glIsFramebuffer, + (GLuint framebuffer)) +COGL_EXT_END () + +COGL_EXT_BEGIN (blending, 1, 2, + COGL_EXT_IN_GLES2, + "\0", + "\0") +COGL_EXT_FUNCTION (void, glBlendEquation, + (GLenum mode)) +COGL_EXT_FUNCTION (void, glBlendColor, + (GLclampf red, + GLclampf green, + GLclampf blue, + GLclampf alpha)) +COGL_EXT_END () + +/* Optional, declared in 1.4 or GLES 1.2 */ +COGL_EXT_BEGIN (blend_func_separate, 1, 4, + COGL_EXT_IN_GLES2, + "EXT\0", + "blend_func_separate\0") +COGL_EXT_FUNCTION (void, glBlendFuncSeparate, + (GLenum srcRGB, + GLenum dstRGB, + GLenum srcAlpha, + GLenum dstAlpha)) +COGL_EXT_END () + +/* Optional, declared in 2.0 */ +COGL_EXT_BEGIN (blend_equation_separate, 2, 0, + COGL_EXT_IN_GLES2, + "EXT\0", + "blend_equation_separate\0") +COGL_EXT_FUNCTION (void, glBlendEquationSeparate, + (GLenum modeRGB, + GLenum modeAlpha)) +COGL_EXT_END () + +COGL_EXT_BEGIN (gles2_only_api, + 4, 1, + COGL_EXT_IN_GLES2, + "ARB:\0", + "ES2_compatibility\0") +COGL_EXT_FUNCTION (void, glReleaseShaderCompiler, (void)) +COGL_EXT_FUNCTION (void, glGetShaderPrecisionFormat, + (GLenum shadertype, + GLenum precisiontype, + GLint* range, + GLint* precision)) +COGL_EXT_FUNCTION (void, glShaderBinary, + (GLsizei n, + const GLuint* shaders, + GLenum binaryformat, + const GLvoid* binary, + GLsizei length)) +COGL_EXT_END () + +/* GL and GLES 2.0 apis */ +COGL_EXT_BEGIN (two_point_zero_api, + 2, 0, + COGL_EXT_IN_GLES2, + "\0", + "\0") +COGL_EXT_FUNCTION (void, glStencilFuncSeparate, + (GLenum face, GLenum func, GLint ref, GLuint mask)) +COGL_EXT_FUNCTION (void, glStencilMaskSeparate, + (GLenum face, GLuint mask)) +COGL_EXT_FUNCTION (void, glStencilOpSeparate, + (GLenum face, GLenum fail, GLenum zfail, GLenum zpass)) +COGL_EXT_END () diff --git a/cogl/stb_image.c b/cogl/stb_image.c new file mode 100644 index 0000000..861c751 --- /dev/null +++ b/cogl/stb_image.c @@ -0,0 +1,3892 @@ +/* stbi-1.18 - public domain JPEG/PNG reader - http://nothings.org/stb_image.c + when you control the images you're loading + + QUICK NOTES: + Primarily of interest to game developers and other people who can + avoid problematic images and only need the trivial interface + + JPEG baseline (no JPEG progressive, no oddball channel decimations) + PNG 8-bit only + BMP non-1bpp, non-RLE + TGA (not sure what subset, if a subset) + PSD (composited view only, no extra channels) + HDR (radiance rgbE format) + writes BMP,TGA (define STBI_NO_WRITE to remove code) + decoded from memory or through stdio FILE (define STBI_NO_STDIO to remove code) + supports installable dequantizing-IDCT, YCbCr-to-RGB conversion (define STBI_SIMD) + + TODO: + stbi_info_* + + history: + 1.18 fix a threading bug (local mutable static) + 1.17 support interlaced PNG + 1.16 major bugfix - convert_format converted one too many pixels + 1.15 initialize some fields for thread safety + 1.14 fix threadsafe conversion bug; header-file-only version (#define STBI_HEADER_FILE_ONLY before including) + 1.13 threadsafe + 1.12 const qualifiers in the API + 1.11 Support installable IDCT, colorspace conversion routines + 1.10 Fixes for 64-bit (don't use "unsigned long") + optimized upsampling by Fabian "ryg" Giesen + 1.09 Fix format-conversion for PSD code (bad global variables!) + 1.08 Thatcher Ulrich's PSD code integrated by Nicolas Schulz + 1.07 attempt to fix C++ warning/errors again + 1.06 attempt to fix C++ warning/errors again + 1.05 fix TGA loading to return correct *comp and use good luminance calc + 1.04 default float alpha is 1, not 255; use 'void *' for stbi_image_free + 1.03 bugfixes to STBI_NO_STDIO, STBI_NO_HDR + 1.02 support for (subset of) HDR files, float interface for preferred access to them + 1.01 fix bug: possible bug in handling right-side up bmps... not sure + fix bug: the stbi_bmp_load() and stbi_tga_load() functions didn't work at all + 1.00 interface to zlib that skips zlib header + 0.99 correct handling of alpha in palette + 0.98 TGA loader by lonesock; dynamically add loaders (untested) + 0.97 jpeg errors on too large a file; also catch another malloc failure + 0.96 fix detection of invalid v value - particleman@mollyrocket forum + 0.95 during header scan, seek to markers in case of padding + 0.94 STBI_NO_STDIO to disable stdio usage; rename all #defines the same + 0.93 handle jpegtran output; verbose errors + 0.92 read 4,8,16,24,32-bit BMP files of several formats + 0.91 output 24-bit Windows 3.0 BMP files + 0.90 fix a few more warnings; bump version number to approach 1.0 + 0.61 bugfixes due to Marc LeBlanc, Christopher Lloyd + 0.60 fix compiling as c++ + 0.59 fix warnings: merge Dave Moore's -Wall fixes + 0.58 fix bug: zlib uncompressed mode len/nlen was wrong endian + 0.57 fix bug: jpg last huffman symbol before marker was >9 bits but less + than 16 available + 0.56 fix bug: zlib uncompressed mode len vs. nlen + 0.55 fix bug: restart_interval not initialized to 0 + 0.54 allow NULL for 'int *comp' + 0.53 fix bug in png 3->4; speedup png decoding + 0.52 png handles req_comp=3,4 directly; minor cleanup; jpeg comments + 0.51 obey req_comp requests, 1-component jpegs return as 1-component, + on 'test' only check type, not whether we support this variant +*/ + +#include + +#ifndef STBI_INCLUDE_STB_IMAGE_H +#define STBI_INCLUDE_STB_IMAGE_H + +//// begin header file //////////////////////////////////////////////////// +// +// Limitations: +// - no progressive/interlaced support (jpeg, png) +// - 8-bit samples only (jpeg, png) +// - not threadsafe +// - channel subsampling of at most 2 in each dimension (jpeg) +// - no delayed line count (jpeg) -- IJG doesn't support either +// +// Basic usage (see HDR discussion below): +// int x,y,n; +// unsigned char *data = stbi_load(filename, &x, &y, &n, 0); +// // ... process data if not NULL ... +// // ... x = width, y = height, n = # 8-bit components per pixel ... +// // ... replace '0' with '1'..'4' to force that many components per pixel +// stbi_image_free(data) +// +// Standard parameters: +// int *x -- outputs image width in pixels +// int *y -- outputs image height in pixels +// int *comp -- outputs # of image components in image file +// int req_comp -- if non-zero, # of image components requested in result +// +// The return value from an image loader is an 'unsigned char *' which points +// to the pixel data. The pixel data consists of *y scanlines of *x pixels, +// with each pixel consisting of N interleaved 8-bit components; the first +// pixel pointed to is top-left-most in the image. There is no padding between +// image scanlines or between pixels, regardless of format. The number of +// components N is 'req_comp' if req_comp is non-zero, or *comp otherwise. +// If req_comp is non-zero, *comp has the number of components that _would_ +// have been output otherwise. E.g. if you set req_comp to 4, you will always +// get RGBA output, but you can check *comp to easily see if it's opaque. +// +// An output image with N components has the following components interleaved +// in this order in each pixel: +// +// N=#comp components +// 1 grey +// 2 grey, alpha +// 3 red, green, blue +// 4 red, green, blue, alpha +// +// If image loading fails for any reason, the return value will be NULL, +// and *x, *y, *comp will be unchanged. The function stbi_failure_reason() +// can be queried for an extremely brief, end-user unfriendly explanation +// of why the load failed. Define STBI_NO_FAILURE_STRINGS to avoid +// compiling these strings at all, and STBI_FAILURE_USERMSG to get slightly +// more user-friendly ones. +// +// Paletted PNG and BMP images are automatically depalettized. +// +// +// =========================================================================== +// +// HDR image support (disable by defining STBI_NO_HDR) +// +// stb_image now supports loading HDR images in general, and currently +// the Radiance .HDR file format, although the support is provided +// generically. You can still load any file through the existing interface; +// if you attempt to load an HDR file, it will be automatically remapped to +// LDR, assuming gamma 2.2 and an arbitrary scale factor defaulting to 1; +// both of these constants can be reconfigured through this interface: +// +// stbi_hdr_to_ldr_gamma(2.2f); +// stbi_hdr_to_ldr_scale(1.0f); +// +// (note, do not use _inverse_ constants; stbi_image will invert them +// appropriately). +// +// Additionally, there is a new, parallel interface for loading files as +// (linear) floats to preserve the full dynamic range: +// +// float *data = stbi_loadf(filename, &x, &y, &n, 0); +// +// If you load LDR images through this interface, those images will +// be promoted to floating point values, run through the inverse of +// constants corresponding to the above: +// +// stbi_ldr_to_hdr_scale(1.0f); +// stbi_ldr_to_hdr_gamma(2.2f); +// +// Finally, given a filename (or an open file or memory block--see header +// file for details) containing image data, you can query for the "most +// appropriate" interface to use (that is, whether the image is HDR or +// not), using: +// +// stbi_is_hdr(char *filename); + +#ifndef STBI_NO_STDIO +#include +#endif + +#define STBI_VERSION 1 + +enum +{ + STBI_default = 0, // only used for req_comp + + STBI_grey = 1, + STBI_grey_alpha = 2, + STBI_rgb = 3, + STBI_rgb_alpha = 4, +}; + +typedef unsigned char stbi_uc; + +#ifdef __cplusplus +extern "C" { +#endif + +// WRITING API + +#if !defined(STBI_NO_WRITE) && !defined(STBI_NO_STDIO) +// write a BMP/TGA file given tightly packed 'comp' channels (no padding, nor bmp-stride-padding) +// (you must include the appropriate extension in the filename). +// returns TRUE on success, FALSE if couldn't open file, error writing file +extern int stbi_write_bmp (char const *filename, int x, int y, int comp, void *data); +extern int stbi_write_tga (char const *filename, int x, int y, int comp, void *data); +#endif + +// PRIMARY API - works on images of any type + +// load image by filename, open file, or memory buffer +#ifndef STBI_NO_STDIO +extern stbi_uc *stbi_load (char const *filename, int *x, int *y, int *comp, int req_comp); +extern stbi_uc *stbi_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp); +extern int stbi_info_from_file (FILE *f, int *x, int *y, int *comp); +#endif +extern stbi_uc *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp); +// for stbi_load_from_file, file pointer is left pointing immediately after image + +#ifndef STBI_NO_HDR +#ifndef STBI_NO_STDIO +extern float *stbi_loadf (char const *filename, int *x, int *y, int *comp, int req_comp); +extern float *stbi_loadf_from_file (FILE *f, int *x, int *y, int *comp, int req_comp); +#endif +extern float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp); + +extern void stbi_hdr_to_ldr_gamma(float gamma); +extern void stbi_hdr_to_ldr_scale(float scale); + +extern void stbi_ldr_to_hdr_gamma(float gamma); +extern void stbi_ldr_to_hdr_scale(float scale); + +#endif // STBI_NO_HDR + +// get a VERY brief reason for failure +// NOT THREADSAFE +extern char *stbi_failure_reason (void); + +// free the loaded image -- this is just free() +extern void stbi_image_free (void *retval_from_stbi_load); + +// get image dimensions & components without fully decoding +extern int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp); +extern int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len); +#ifndef STBI_NO_STDIO +extern int stbi_info (char const *filename, int *x, int *y, int *comp); +extern int stbi_is_hdr (char const *filename); +extern int stbi_is_hdr_from_file(FILE *f); +#endif + +// ZLIB client - used by PNG, available for other purposes + +extern char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen); +extern char *stbi_zlib_decode_malloc(const char *buffer, int len, int *outlen); +extern int stbi_zlib_decode_buffer(char *obuffer, int olen, const char *ibuffer, int ilen); + +extern char *stbi_zlib_decode_noheader_malloc(const char *buffer, int len, int *outlen); +extern int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen); + +// TYPE-SPECIFIC ACCESS + +// is it a jpeg? +extern int stbi_jpeg_test_memory (stbi_uc const *buffer, int len); +extern stbi_uc *stbi_jpeg_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp); +extern int stbi_jpeg_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp); + +#ifndef STBI_NO_STDIO +extern stbi_uc *stbi_jpeg_load (char const *filename, int *x, int *y, int *comp, int req_comp); +extern int stbi_jpeg_test_file (FILE *f); +extern stbi_uc *stbi_jpeg_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp); + +extern int stbi_jpeg_info (char const *filename, int *x, int *y, int *comp); +extern int stbi_jpeg_info_from_file (FILE *f, int *x, int *y, int *comp); +#endif + +// is it a png? +extern int stbi_png_test_memory (stbi_uc const *buffer, int len); +extern stbi_uc *stbi_png_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp); +extern int stbi_png_info_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp); + +#ifndef STBI_NO_STDIO +extern stbi_uc *stbi_png_load (char const *filename, int *x, int *y, int *comp, int req_comp); +extern int stbi_png_info (char const *filename, int *x, int *y, int *comp); +extern int stbi_png_test_file (FILE *f); +extern stbi_uc *stbi_png_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp); +extern int stbi_png_info_from_file (FILE *f, int *x, int *y, int *comp); +#endif + +// is it a bmp? +extern int stbi_bmp_test_memory (stbi_uc const *buffer, int len); + +extern stbi_uc *stbi_bmp_load (char const *filename, int *x, int *y, int *comp, int req_comp); +extern stbi_uc *stbi_bmp_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp); +#ifndef STBI_NO_STDIO +extern int stbi_bmp_test_file (FILE *f); +extern stbi_uc *stbi_bmp_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp); +#endif + +// is it a tga? +extern int stbi_tga_test_memory (stbi_uc const *buffer, int len); + +extern stbi_uc *stbi_tga_load (char const *filename, int *x, int *y, int *comp, int req_comp); +extern stbi_uc *stbi_tga_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp); +#ifndef STBI_NO_STDIO +extern int stbi_tga_test_file (FILE *f); +extern stbi_uc *stbi_tga_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp); +#endif + +// is it a psd? +extern int stbi_psd_test_memory (stbi_uc const *buffer, int len); + +extern stbi_uc *stbi_psd_load (char const *filename, int *x, int *y, int *comp, int req_comp); +extern stbi_uc *stbi_psd_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp); +#ifndef STBI_NO_STDIO +extern int stbi_psd_test_file (FILE *f); +extern stbi_uc *stbi_psd_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp); +#endif + +// is it an hdr? +extern int stbi_hdr_test_memory (stbi_uc const *buffer, int len); + +extern float * stbi_hdr_load (char const *filename, int *x, int *y, int *comp, int req_comp); +extern float * stbi_hdr_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp); +#ifndef STBI_NO_STDIO +extern int stbi_hdr_test_file (FILE *f); +extern float * stbi_hdr_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp); +#endif + +// define new loaders +typedef struct +{ + int (*test_memory)(stbi_uc const *buffer, int len); + stbi_uc * (*load_from_memory)(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp); + #ifndef STBI_NO_STDIO + int (*test_file)(FILE *f); + stbi_uc * (*load_from_file)(FILE *f, int *x, int *y, int *comp, int req_comp); + #endif +} stbi_loader; + +// register a loader by filling out the above structure (you must defined ALL functions) +// returns 1 if added or already added, 0 if not added (too many loaders) +// NOT THREADSAFE +extern int stbi_register_loader(stbi_loader *loader); + +// define faster low-level operations (typically SIMD support) +#if STBI_SIMD +typedef void (*stbi_idct_8x8)(uint8_t *out, int out_stride, short data[64], unsigned short *dequantize); +// compute an integer IDCT on "input" +// input[x] = data[x] * dequantize[x] +// write results to 'out': 64 samples, each run of 8 spaced by 'out_stride' +// CLAMP results to 0..255 +typedef void (*stbi_YCbCr_to_RGB_run)(uint8_t *output, uint8_t const *y, uint8_t const *cb, uint8_t const *cr, int count, int step); +// compute a conversion from YCbCr to RGB +// 'count' pixels +// write pixels to 'output'; each pixel is 'step' bytes (either 3 or 4; if 4, write '255' as 4th), order R,G,B +// y: Y input channel +// cb: Cb input channel; scale/biased to be 0..255 +// cr: Cr input channel; scale/biased to be 0..255 + +extern void stbi_install_idct(stbi_idct_8x8 func); +extern void stbi_install_YCbCr_to_RGB(stbi_YCbCr_to_RGB_run func); +#endif // STBI_SIMD + +#ifdef __cplusplus +} +#endif + +// +// +//// end header file ///////////////////////////////////////////////////// +#endif // STBI_INCLUDE_STB_IMAGE_H + +#ifndef STBI_HEADER_FILE_ONLY + +#ifndef STBI_NO_HDR +#include // ldexp +#include // strcmp +#endif + +#ifndef STBI_NO_STDIO +#include +#endif +#include +#include +#include +#include + +#ifndef _MSC_VER + #ifdef __cplusplus + #define __forceinline inline + #else + #define __forceinline + #endif +#endif + + +// should produce compiler error if size is wrong +typedef unsigned char validate_uint32_t[sizeof(uint32_t)==4]; + +#if defined(STBI_NO_STDIO) && !defined(STBI_NO_WRITE) +#define STBI_NO_WRITE +#endif + +////////////////////////////////////////////////////////////////////////////// +// +// Generic API that works on all image types +// + +// this is not threadsafe +static char *failure_reason; + +char *stbi_failure_reason(void) +{ + return failure_reason; +} + +static int e(char *str) +{ + failure_reason = str; + return 0; +} + +#ifdef STBI_NO_FAILURE_STRINGS + #define e(x,y) 0 +#elif defined(STBI_FAILURE_USERMSG) + #define e(x,y) e(y) +#else + #define e(x,y) e(x) +#endif + +#define epf(x,y) ((float *) (e(x,y)?NULL:NULL)) +#define epuc(x,y) ((unsigned char *) (e(x,y)?NULL:NULL)) + +void stbi_image_free(void *retval_from_stbi_load) +{ + free(retval_from_stbi_load); +} + +#define MAX_LOADERS 32 +stbi_loader *loaders[MAX_LOADERS]; +static int max_loaders = 0; + +int stbi_register_loader(stbi_loader *loader) +{ + int i; + for (i=0; i < MAX_LOADERS; ++i) { + // already present? + if (loaders[i] == loader) + return 1; + // end of the list? + if (loaders[i] == NULL) { + loaders[i] = loader; + max_loaders = i+1; + return 1; + } + } + // no room for it + return 0; +} + +#ifndef STBI_NO_HDR +static float *ldr_to_hdr(stbi_uc *data, int x, int y, int comp); +static stbi_uc *hdr_to_ldr(float *data, int x, int y, int comp); +#endif + +#ifndef STBI_NO_STDIO +unsigned char *stbi_load(char const *filename, int *x, int *y, int *comp, int req_comp) +{ + FILE *f = fopen(filename, "rb"); + unsigned char *result; + if (!f) return epuc("can't fopen", "Unable to open file"); + result = stbi_load_from_file(f,x,y,comp,req_comp); + fclose(f); + return result; +} + +unsigned char *stbi_load_from_file(FILE *f, int *x, int *y, int *comp, int req_comp) +{ + int i; + if (stbi_jpeg_test_file(f)) + return stbi_jpeg_load_from_file(f,x,y,comp,req_comp); + if (stbi_png_test_file(f)) + return stbi_png_load_from_file(f,x,y,comp,req_comp); + if (stbi_bmp_test_file(f)) + return stbi_bmp_load_from_file(f,x,y,comp,req_comp); + if (stbi_psd_test_file(f)) + return stbi_psd_load_from_file(f,x,y,comp,req_comp); + #ifndef STBI_NO_HDR + if (stbi_hdr_test_file(f)) { + float *hdr = stbi_hdr_load_from_file(f, x,y,comp,req_comp); + return hdr_to_ldr(hdr, *x, *y, req_comp ? req_comp : *comp); + } + #endif + for (i=0; i < max_loaders; ++i) + if (loaders[i]->test_file(f)) + return loaders[i]->load_from_file(f,x,y,comp,req_comp); + // test tga last because it's a crappy test! + if (stbi_tga_test_file(f)) + return stbi_tga_load_from_file(f,x,y,comp,req_comp); + return epuc("unknown image type", "Image not of any known type, or corrupt"); +} +#endif + +unsigned char *stbi_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) +{ + int i; + if (stbi_jpeg_test_memory(buffer,len)) + return stbi_jpeg_load_from_memory(buffer,len,x,y,comp,req_comp); + if (stbi_png_test_memory(buffer,len)) + return stbi_png_load_from_memory(buffer,len,x,y,comp,req_comp); + if (stbi_bmp_test_memory(buffer,len)) + return stbi_bmp_load_from_memory(buffer,len,x,y,comp,req_comp); + if (stbi_psd_test_memory(buffer,len)) + return stbi_psd_load_from_memory(buffer,len,x,y,comp,req_comp); + #ifndef STBI_NO_HDR + if (stbi_hdr_test_memory(buffer, len)) { + float *hdr = stbi_hdr_load_from_memory(buffer, len,x,y,comp,req_comp); + return hdr_to_ldr(hdr, *x, *y, req_comp ? req_comp : *comp); + } + #endif + for (i=0; i < max_loaders; ++i) + if (loaders[i]->test_memory(buffer,len)) + return loaders[i]->load_from_memory(buffer,len,x,y,comp,req_comp); + // test tga last because it's a crappy test! + if (stbi_tga_test_memory(buffer,len)) + return stbi_tga_load_from_memory(buffer,len,x,y,comp,req_comp); + return epuc("unknown image type", "Image not of any known type, or corrupt"); +} + +#ifndef STBI_NO_HDR + +#ifndef STBI_NO_STDIO +float *stbi_loadf(char const *filename, int *x, int *y, int *comp, int req_comp) +{ + FILE *f = fopen(filename, "rb"); + float *result; + if (!f) return epf("can't fopen", "Unable to open file"); + result = stbi_loadf_from_file(f,x,y,comp,req_comp); + fclose(f); + return result; +} + +float *stbi_loadf_from_file(FILE *f, int *x, int *y, int *comp, int req_comp) +{ + unsigned char *data; + #ifndef STBI_NO_HDR + if (stbi_hdr_test_file(f)) + return stbi_hdr_load_from_file(f,x,y,comp,req_comp); + #endif + data = stbi_load_from_file(f, x, y, comp, req_comp); + if (data) + return ldr_to_hdr(data, *x, *y, req_comp ? req_comp : *comp); + return epf("unknown image type", "Image not of any known type, or corrupt"); +} +#endif + +float *stbi_loadf_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) +{ + stbi_uc *data; + #ifndef STBI_NO_HDR + if (stbi_hdr_test_memory(buffer, len)) + return stbi_hdr_load_from_memory(buffer, len,x,y,comp,req_comp); + #endif + data = stbi_load_from_memory(buffer, len, x, y, comp, req_comp); + if (data) + return ldr_to_hdr(data, *x, *y, req_comp ? req_comp : *comp); + return epf("unknown image type", "Image not of any known type, or corrupt"); +} +#endif + +// these is-hdr-or-not is defined independent of whether STBI_NO_HDR is +// defined, for API simplicity; if STBI_NO_HDR is defined, it always +// reports false! + +int stbi_is_hdr_from_memory(stbi_uc const *buffer, int len) +{ + #ifndef STBI_NO_HDR + return stbi_hdr_test_memory(buffer, len); + #else + return 0; + #endif +} + +#ifndef STBI_NO_STDIO +extern int stbi_is_hdr (char const *filename) +{ + FILE *f = fopen(filename, "rb"); + int result=0; + if (f) { + result = stbi_is_hdr_from_file(f); + fclose(f); + } + return result; +} + +extern int stbi_is_hdr_from_file(FILE *f) +{ + #ifndef STBI_NO_HDR + return stbi_hdr_test_file(f); + #else + return 0; + #endif +} + +#endif + +// @TODO: get image dimensions & components without fully decoding +#ifndef STBI_NO_STDIO +extern int stbi_info (char const *filename, int *x, int *y, int *comp); +extern int stbi_info_from_file (FILE *f, int *x, int *y, int *comp); +#endif +extern int stbi_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp); + +#ifndef STBI_NO_HDR +static float h2l_gamma_i=1.0f/2.2f, h2l_scale_i=1.0f; +static float l2h_gamma=2.2f, l2h_scale=1.0f; + +void stbi_hdr_to_ldr_gamma(float gamma) { h2l_gamma_i = 1/gamma; } +void stbi_hdr_to_ldr_scale(float scale) { h2l_scale_i = 1/scale; } + +void stbi_ldr_to_hdr_gamma(float gamma) { l2h_gamma = gamma; } +void stbi_ldr_to_hdr_scale(float scale) { l2h_scale = scale; } +#endif + + +////////////////////////////////////////////////////////////////////////////// +// +// Common code used by all image loaders +// + +enum +{ + SCAN_load=0, + SCAN_type, + SCAN_header, +}; + +typedef struct +{ + uint32_t img_x, img_y; + int img_n, img_out_n; + + #ifndef STBI_NO_STDIO + FILE *img_file; + #endif + uint8_t *img_buffer, *img_buffer_end; +} stbi; + +#ifndef STBI_NO_STDIO +static void start_file(stbi *s, FILE *f) +{ + s->img_file = f; +} +#endif + +static void start_mem(stbi *s, uint8_t const *buffer, int len) +{ +#ifndef STBI_NO_STDIO + s->img_file = NULL; +#endif + s->img_buffer = (uint8_t *) buffer; + s->img_buffer_end = (uint8_t *) buffer+len; +} + +__forceinline static int get8(stbi *s) +{ +#ifndef STBI_NO_STDIO + if (s->img_file) { + int c = fgetc(s->img_file); + return c == EOF ? 0 : c; + } +#endif + if (s->img_buffer < s->img_buffer_end) + return *s->img_buffer++; + return 0; +} + +__forceinline static int at_eof(stbi *s) +{ +#ifndef STBI_NO_STDIO + if (s->img_file) + return feof(s->img_file); +#endif + return s->img_buffer >= s->img_buffer_end; +} + +__forceinline static uint8_t get8u(stbi *s) +{ + return (uint8_t) get8(s); +} + +static void skip(stbi *s, int n) +{ +#ifndef STBI_NO_STDIO + if (s->img_file) + fseek(s->img_file, n, SEEK_CUR); + else +#endif + s->img_buffer += n; +} + +static int get16(stbi *s) +{ + int z = get8(s); + return (z << 8) + get8(s); +} + +static uint32_t get32(stbi *s) +{ + uint32_t z = get16(s); + return (z << 16) + get16(s); +} + +static int get16le(stbi *s) +{ + int z = get8(s); + return z + (get8(s) << 8); +} + +static uint32_t get32le(stbi *s) +{ + uint32_t z = get16le(s); + return z + (get16le(s) << 16); +} + +static void getn(stbi *s, stbi_uc *buffer, int n) +{ +#ifndef STBI_NO_STDIO + if (s->img_file) { + fread(buffer, 1, n, s->img_file); + return; + } +#endif + memcpy(buffer, s->img_buffer, n); + s->img_buffer += n; +} + +////////////////////////////////////////////////////////////////////////////// +// +// generic converter from built-in img_n to req_comp +// individual types do this automatically as much as possible (e.g. jpeg +// does all cases internally since it needs to colorspace convert anyway, +// and it never has alpha, so very few cases ). png can automatically +// interleave an alpha=255 channel, but falls back to this for other cases +// +// assume data buffer is malloced, so malloc a new one and free that one +// only failure mode is malloc failing + +static uint8_t compute_y(int r, int g, int b) +{ + return (uint8_t) (((r*77) + (g*150) + (29*b)) >> 8); +} + +static unsigned char *convert_format(unsigned char *data, + int img_n, + int req_comp, + unsigned int x, + unsigned int y) +{ + int i,j; + unsigned char *good; + + if (req_comp == img_n) return data; + assert(req_comp >= 1 && req_comp <= 4); + + good = (unsigned char *) malloc(req_comp * x * y); + if (good == NULL) { + free(data); + return epuc("outofmem", "Out of memory"); + } + + for (j=0; j < (int) y; ++j) { + unsigned char *src = data + j * x * img_n ; + unsigned char *dest = good + j * x * req_comp; + + #define COMBO(a,b) ((a)*8+(b)) + #define CASE(a,b) case COMBO(a,b): for(i=x-1; i >= 0; --i, src += a, dest += b) + // convert source image with img_n components to one with req_comp components; + // avoid switch per pixel, so use switch per scanline and massive macros + switch(COMBO(img_n, req_comp)) { + CASE(1,2) dest[0]=src[0], dest[1]=255; break; + CASE(1,3) dest[0]=dest[1]=dest[2]=src[0]; break; + CASE(1,4) dest[0]=dest[1]=dest[2]=src[0], dest[3]=255; break; + CASE(2,1) dest[0]=src[0]; break; + CASE(2,3) dest[0]=dest[1]=dest[2]=src[0]; break; + CASE(2,4) dest[0]=dest[1]=dest[2]=src[0], dest[3]=src[1]; break; + CASE(3,4) dest[0]=src[0],dest[1]=src[1],dest[2]=src[2],dest[3]=255; break; + CASE(3,1) dest[0]=compute_y(src[0],src[1],src[2]); break; + CASE(3,2) dest[0]=compute_y(src[0],src[1],src[2]), dest[1] = 255; break; + CASE(4,1) dest[0]=compute_y(src[0],src[1],src[2]); break; + CASE(4,2) dest[0]=compute_y(src[0],src[1],src[2]), dest[1] = src[3]; break; + CASE(4,3) dest[0]=src[0],dest[1]=src[1],dest[2]=src[2]; break; + default: assert(0); + } + #undef CASE + } + + free(data); + return good; +} + +#ifndef STBI_NO_HDR +static float *ldr_to_hdr(stbi_uc *data, int x, int y, int comp) +{ + int i,k,n; + float *output = (float *) malloc(x * y * comp * sizeof(float)); + if (output == NULL) { free(data); return epf("outofmem", "Out of memory"); } + // compute number of non-alpha components + if (comp & 1) n = comp; else n = comp-1; + for (i=0; i < x*y; ++i) { + for (k=0; k < n; ++k) { + output[i*comp + k] = (float) pow(data[i*comp+k]/255.0f, l2h_gamma) * l2h_scale; + } + if (k < comp) output[i*comp + k] = data[i*comp+k]/255.0f; + } + free(data); + return output; +} + +#define float2int(x) ((int) (x)) +static stbi_uc *hdr_to_ldr(float *data, int x, int y, int comp) +{ + int i,k,n; + stbi_uc *output = (stbi_uc *) malloc(x * y * comp); + if (output == NULL) { free(data); return epuc("outofmem", "Out of memory"); } + // compute number of non-alpha components + if (comp & 1) n = comp; else n = comp-1; + for (i=0; i < x*y; ++i) { + for (k=0; k < n; ++k) { + float z = (float) pow(data[i*comp+k]*h2l_scale_i, h2l_gamma_i) * 255 + 0.5f; + if (z < 0) z = 0; + if (z > 255) z = 255; + output[i*comp + k] = float2int(z); + } + if (k < comp) { + float z = data[i*comp+k] * 255 + 0.5f; + if (z < 0) z = 0; + if (z > 255) z = 255; + output[i*comp + k] = float2int(z); + } + } + free(data); + return output; +} +#endif + +////////////////////////////////////////////////////////////////////////////// +// +// "baseline" JPEG/JFIF decoder (not actually fully baseline implementation) +// +// simple implementation +// - channel subsampling of at most 2 in each dimension +// - doesn't support delayed output of y-dimension +// - simple interface (only one output format: 8-bit interleaved RGB) +// - doesn't try to recover corrupt jpegs +// - doesn't allow partial loading, loading multiple at once +// - still fast on x86 (copying globals into locals doesn't help x86) +// - allocates lots of intermediate memory (full size of all components) +// - non-interleaved case requires this anyway +// - allows good upsampling (see next) +// high-quality +// - upsampled channels are bilinearly interpolated, even across blocks +// - quality integer IDCT derived from IJG's 'slow' +// performance +// - fast huffman; reasonable integer IDCT +// - uses a lot of intermediate memory, could cache poorly +// - load http://nothings.org/remote/anemones.jpg 3 times on 2.8Ghz P4 +// stb_jpeg: 1.34 seconds (MSVC6, default release build) +// stb_jpeg: 1.06 seconds (MSVC6, processor = Pentium Pro) +// IJL11.dll: 1.08 seconds (compiled by intel) +// IJG 1998: 0.98 seconds (MSVC6, makefile provided by IJG) +// IJG 1998: 0.95 seconds (MSVC6, makefile + proc=PPro) + +// huffman decoding acceleration +#define FAST_BITS 9 // larger handles more cases; smaller stomps less cache + +typedef struct +{ + uint8_t fast[1 << FAST_BITS]; + // weirdly, repacking this into AoS is a 10% speed loss, instead of a win + uint16_t code[256]; + uint8_t values[256]; + uint8_t size[257]; + unsigned int maxcode[18]; + int delta[17]; // old 'firstsymbol' - old 'firstcode' +} huffman; + +typedef struct +{ + #if STBI_SIMD + unsigned short dequant2[4][64]; + #endif + stbi s; + huffman huff_dc[4]; + huffman huff_ac[4]; + uint8_t dequant[4][64]; + +// sizes for components, interleaved MCUs + int img_h_max, img_v_max; + int img_mcu_x, img_mcu_y; + int img_mcu_w, img_mcu_h; + +// definition of jpeg image component + struct + { + int id; + int h,v; + int tq; + int hd,ha; + int dc_pred; + + int x,y,w2,h2; + uint8_t *data; + void *raw_data; + uint8_t *linebuf; + } img_comp[4]; + + uint32_t code_buffer; // jpeg entropy-coded buffer + int code_bits; // number of valid bits + unsigned char marker; // marker seen while filling entropy buffer + int nomore; // flag if we saw a marker so must stop + + int scan_n, order[4]; + int restart_interval, todo; +} jpeg; + +static int build_huffman(huffman *h, int *count) +{ + int i,j,k=0,code; + // build size list for each symbol (from JPEG spec) + for (i=0; i < 16; ++i) + for (j=0; j < count[i]; ++j) + h->size[k++] = (uint8_t) (i+1); + h->size[k] = 0; + + // compute actual symbols (from jpeg spec) + code = 0; + k = 0; + for(j=1; j <= 16; ++j) { + // compute delta to add to code to compute symbol id + h->delta[j] = k - code; + if (h->size[k] == j) { + while (h->size[k] == j) + h->code[k++] = (uint16_t) (code++); + if (code-1 >= (1 << j)) return e("bad code lengths","Corrupt JPEG"); + } + // compute largest code + 1 for this size, preshifted as needed later + h->maxcode[j] = code << (16-j); + code <<= 1; + } + h->maxcode[j] = 0xffffffff; + + // build non-spec acceleration table; 255 is flag for not-accelerated + memset(h->fast, 255, 1 << FAST_BITS); + for (i=0; i < k; ++i) { + int s = h->size[i]; + if (s <= FAST_BITS) { + int c = h->code[i] << (FAST_BITS-s); + int m = 1 << (FAST_BITS-s); + for (j=0; j < m; ++j) { + h->fast[c+j] = (uint8_t) i; + } + } + } + return 1; +} + +static void grow_buffer_unsafe(jpeg *j) +{ + do { + int b = j->nomore ? 0 : get8(&j->s); + if (b == 0xff) { + int c = get8(&j->s); + if (c != 0) { + j->marker = (unsigned char) c; + j->nomore = 1; + return; + } + } + j->code_buffer = (j->code_buffer << 8) | b; + j->code_bits += 8; + } while (j->code_bits <= 24); +} + +// (1 << n) - 1 +static uint32_t bmask[17]={0,1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,65535}; + +// decode a jpeg huffman value from the bitstream +__forceinline static int decode(jpeg *j, huffman *h) +{ + unsigned int temp; + int c,k; + + if (j->code_bits < 16) grow_buffer_unsafe(j); + + // look at the top FAST_BITS and determine what symbol ID it is, + // if the code is <= FAST_BITS + c = (j->code_buffer >> (j->code_bits - FAST_BITS)) & ((1 << FAST_BITS)-1); + k = h->fast[c]; + if (k < 255) { + if (h->size[k] > j->code_bits) + return -1; + j->code_bits -= h->size[k]; + return h->values[k]; + } + + // naive test is to shift the code_buffer down so k bits are + // valid, then test against maxcode. To speed this up, we've + // preshifted maxcode left so that it has (16-k) 0s at the + // end; in other words, regardless of the number of bits, it + // wants to be compared against something shifted to have 16; + // that way we don't need to shift inside the loop. + if (j->code_bits < 16) + temp = (j->code_buffer << (16 - j->code_bits)) & 0xffff; + else + temp = (j->code_buffer >> (j->code_bits - 16)) & 0xffff; + for (k=FAST_BITS+1 ; ; ++k) + if (temp < h->maxcode[k]) + break; + if (k == 17) { + // error! code not found + j->code_bits -= 16; + return -1; + } + + if (k > j->code_bits) + return -1; + + // convert the huffman code to the symbol id + c = ((j->code_buffer >> (j->code_bits - k)) & bmask[k]) + h->delta[k]; + assert((((j->code_buffer) >> (j->code_bits - h->size[c])) & bmask[h->size[c]]) == h->code[c]); + + // convert the id to a symbol + j->code_bits -= k; + return h->values[c]; +} + +// combined JPEG 'receive' and JPEG 'extend', since baseline +// always extends everything it receives. +__forceinline static int extend_receive(jpeg *j, int n) +{ + unsigned int m = 1 << (n-1); + unsigned int k; + if (j->code_bits < n) grow_buffer_unsafe(j); + k = (j->code_buffer >> (j->code_bits - n)) & bmask[n]; + j->code_bits -= n; + // the following test is probably a random branch that won't + // predict well. I tried to table accelerate it but failed. + // maybe it's compiling as a conditional move? + if (k < m) + return (-1 << n) + k + 1; + else + return k; +} + +// given a value that's at position X in the zigzag stream, +// where does it appear in the 8x8 matrix coded as row-major? +static uint8_t dezigzag[64+15] = +{ + 0, 1, 8, 16, 9, 2, 3, 10, + 17, 24, 32, 25, 18, 11, 4, 5, + 12, 19, 26, 33, 40, 48, 41, 34, + 27, 20, 13, 6, 7, 14, 21, 28, + 35, 42, 49, 56, 57, 50, 43, 36, + 29, 22, 15, 23, 30, 37, 44, 51, + 58, 59, 52, 45, 38, 31, 39, 46, + 53, 60, 61, 54, 47, 55, 62, 63, + // let corrupt input sample past end + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63 +}; + +// decode one 64-entry block-- +static int decode_block(jpeg *j, short data[64], huffman *hdc, huffman *hac, int b) +{ + int diff,dc,k; + int t = decode(j, hdc); + if (t < 0) return e("bad huffman code","Corrupt JPEG"); + + // 0 all the ac values now so we can do it 32-bits at a time + memset(data,0,64*sizeof(data[0])); + + diff = t ? extend_receive(j, t) : 0; + dc = j->img_comp[b].dc_pred + diff; + j->img_comp[b].dc_pred = dc; + data[0] = (short) dc; + + // decode AC components, see JPEG spec + k = 1; + do { + int r,s; + int rs = decode(j, hac); + if (rs < 0) return e("bad huffman code","Corrupt JPEG"); + s = rs & 15; + r = rs >> 4; + if (s == 0) { + if (rs != 0xf0) break; // end block + k += 16; + } else { + k += r; + // decode into unzigzag'd location + data[dezigzag[k++]] = (short) extend_receive(j,s); + } + } while (k < 64); + return 1; +} + +// take a -128..127 value and clamp it and convert to 0..255 +__forceinline static uint8_t clamp(int x) +{ + x += 128; + // trick to use a single test to catch both cases + if ((unsigned int) x > 255) { + if (x < 0) return 0; + if (x > 255) return 255; + } + return (uint8_t) x; +} + +#define f2f(x) (int) (((x) * 4096 + 0.5)) +#define fsh(x) ((x) << 12) + +// derived from jidctint -- DCT_ISLOW +#define IDCT_1D(s0,s1,s2,s3,s4,s5,s6,s7) \ + int t0,t1,t2,t3,p1,p2,p3,p4,p5,x0,x1,x2,x3; \ + p2 = s2; \ + p3 = s6; \ + p1 = (p2+p3) * f2f(0.5411961f); \ + t2 = p1 + p3*f2f(-1.847759065f); \ + t3 = p1 + p2*f2f( 0.765366865f); \ + p2 = s0; \ + p3 = s4; \ + t0 = fsh(p2+p3); \ + t1 = fsh(p2-p3); \ + x0 = t0+t3; \ + x3 = t0-t3; \ + x1 = t1+t2; \ + x2 = t1-t2; \ + t0 = s7; \ + t1 = s5; \ + t2 = s3; \ + t3 = s1; \ + p3 = t0+t2; \ + p4 = t1+t3; \ + p1 = t0+t3; \ + p2 = t1+t2; \ + p5 = (p3+p4)*f2f( 1.175875602f); \ + t0 = t0*f2f( 0.298631336f); \ + t1 = t1*f2f( 2.053119869f); \ + t2 = t2*f2f( 3.072711026f); \ + t3 = t3*f2f( 1.501321110f); \ + p1 = p5 + p1*f2f(-0.899976223f); \ + p2 = p5 + p2*f2f(-2.562915447f); \ + p3 = p3*f2f(-1.961570560f); \ + p4 = p4*f2f(-0.390180644f); \ + t3 += p1+p4; \ + t2 += p2+p3; \ + t1 += p2+p4; \ + t0 += p1+p3; + +#if !STBI_SIMD +// .344 seconds on 3*anemones.jpg +static void idct_block(uint8_t *out, int out_stride, short data[64], uint8_t *dequantize) +{ + int i,val[64],*v=val; + uint8_t *o,*dq = dequantize; + short *d = data; + + // columns + for (i=0; i < 8; ++i,++d,++dq, ++v) { + // if all zeroes, shortcut -- this avoids dequantizing 0s and IDCTing + if (d[ 8]==0 && d[16]==0 && d[24]==0 && d[32]==0 + && d[40]==0 && d[48]==0 && d[56]==0) { + // no shortcut 0 seconds + // (1|2|3|4|5|6|7)==0 0 seconds + // all separate -0.047 seconds + // 1 && 2|3 && 4|5 && 6|7: -0.047 seconds + int dcterm = d[0] * dq[0] << 2; + v[0] = v[8] = v[16] = v[24] = v[32] = v[40] = v[48] = v[56] = dcterm; + } else { + IDCT_1D(d[ 0]*dq[ 0],d[ 8]*dq[ 8],d[16]*dq[16],d[24]*dq[24], + d[32]*dq[32],d[40]*dq[40],d[48]*dq[48],d[56]*dq[56]) + // constants scaled things up by 1<<12; let's bring them back + // down, but keep 2 extra bits of precision + x0 += 512; x1 += 512; x2 += 512; x3 += 512; + v[ 0] = (x0+t3) >> 10; + v[56] = (x0-t3) >> 10; + v[ 8] = (x1+t2) >> 10; + v[48] = (x1-t2) >> 10; + v[16] = (x2+t1) >> 10; + v[40] = (x2-t1) >> 10; + v[24] = (x3+t0) >> 10; + v[32] = (x3-t0) >> 10; + } + } + + for (i=0, v=val, o=out; i < 8; ++i,v+=8,o+=out_stride) { + // no fast case since the first 1D IDCT spread components out + IDCT_1D(v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7]) + // constants scaled things up by 1<<12, plus we had 1<<2 from first + // loop, plus horizontal and vertical each scale by sqrt(8) so together + // we've got an extra 1<<3, so 1<<17 total we need to remove. + x0 += 65536; x1 += 65536; x2 += 65536; x3 += 65536; + o[0] = clamp((x0+t3) >> 17); + o[7] = clamp((x0-t3) >> 17); + o[1] = clamp((x1+t2) >> 17); + o[6] = clamp((x1-t2) >> 17); + o[2] = clamp((x2+t1) >> 17); + o[5] = clamp((x2-t1) >> 17); + o[3] = clamp((x3+t0) >> 17); + o[4] = clamp((x3-t0) >> 17); + } +} +#else +static void idct_block(uint8_t *out, int out_stride, short data[64], unsigned short *dequantize) +{ + int i,val[64],*v=val; + uint8_t *o; + unsigned short *dq = dequantize; + short *d = data; + + // columns + for (i=0; i < 8; ++i,++d,++dq, ++v) { + // if all zeroes, shortcut -- this avoids dequantizing 0s and IDCTing + if (d[ 8]==0 && d[16]==0 && d[24]==0 && d[32]==0 + && d[40]==0 && d[48]==0 && d[56]==0) { + // no shortcut 0 seconds + // (1|2|3|4|5|6|7)==0 0 seconds + // all separate -0.047 seconds + // 1 && 2|3 && 4|5 && 6|7: -0.047 seconds + int dcterm = d[0] * dq[0] << 2; + v[0] = v[8] = v[16] = v[24] = v[32] = v[40] = v[48] = v[56] = dcterm; + } else { + IDCT_1D(d[ 0]*dq[ 0],d[ 8]*dq[ 8],d[16]*dq[16],d[24]*dq[24], + d[32]*dq[32],d[40]*dq[40],d[48]*dq[48],d[56]*dq[56]) + // constants scaled things up by 1<<12; let's bring them back + // down, but keep 2 extra bits of precision + x0 += 512; x1 += 512; x2 += 512; x3 += 512; + v[ 0] = (x0+t3) >> 10; + v[56] = (x0-t3) >> 10; + v[ 8] = (x1+t2) >> 10; + v[48] = (x1-t2) >> 10; + v[16] = (x2+t1) >> 10; + v[40] = (x2-t1) >> 10; + v[24] = (x3+t0) >> 10; + v[32] = (x3-t0) >> 10; + } + } + + for (i=0, v=val, o=out; i < 8; ++i,v+=8,o+=out_stride) { + // no fast case since the first 1D IDCT spread components out + IDCT_1D(v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7]) + // constants scaled things up by 1<<12, plus we had 1<<2 from first + // loop, plus horizontal and vertical each scale by sqrt(8) so together + // we've got an extra 1<<3, so 1<<17 total we need to remove. + x0 += 65536; x1 += 65536; x2 += 65536; x3 += 65536; + o[0] = clamp((x0+t3) >> 17); + o[7] = clamp((x0-t3) >> 17); + o[1] = clamp((x1+t2) >> 17); + o[6] = clamp((x1-t2) >> 17); + o[2] = clamp((x2+t1) >> 17); + o[5] = clamp((x2-t1) >> 17); + o[3] = clamp((x3+t0) >> 17); + o[4] = clamp((x3-t0) >> 17); + } +} +static stbi_idct_8x8 stbi_idct_installed = idct_block; + +extern void stbi_install_idct(stbi_idct_8x8 func) +{ + stbi_idct_installed = func; +} +#endif + +#define MARKER_none 0xff +// if there's a pending marker from the entropy stream, return that +// otherwise, fetch from the stream and get a marker. if there's no +// marker, return 0xff, which is never a valid marker value +static uint8_t get_marker(jpeg *j) +{ + uint8_t x; + if (j->marker != MARKER_none) { x = j->marker; j->marker = MARKER_none; return x; } + x = get8u(&j->s); + if (x != 0xff) return MARKER_none; + while (x == 0xff) + x = get8u(&j->s); + return x; +} + +// in each scan, we'll have scan_n components, and the order +// of the components is specified by order[] +#define RESTART(x) ((x) >= 0xd0 && (x) <= 0xd7) + +// after a restart interval, reset the entropy decoder and +// the dc prediction +static void reset(jpeg *j) +{ + j->code_bits = 0; + j->code_buffer = 0; + j->nomore = 0; + j->img_comp[0].dc_pred = j->img_comp[1].dc_pred = j->img_comp[2].dc_pred = 0; + j->marker = MARKER_none; + j->todo = j->restart_interval ? j->restart_interval : 0x7fffffff; + // no more than 1<<31 MCUs if no restart_interal? that's plenty safe, + // since we don't even allow 1<<30 pixels +} + +static int parse_entropy_coded_data(jpeg *z) +{ + reset(z); + if (z->scan_n == 1) { + int i,j; + #if STBI_SIMD + __declspec(align(16)) + #endif + short data[64]; + int n = z->order[0]; + // non-interleaved data, we just need to process one block at a time, + // in trivial scanline order + // number of blocks to do just depends on how many actual "pixels" this + // component has, independent of interleaved MCU blocking and such + int w = (z->img_comp[n].x+7) >> 3; + int h = (z->img_comp[n].y+7) >> 3; + for (j=0; j < h; ++j) { + for (i=0; i < w; ++i) { + if (!decode_block(z, data, z->huff_dc+z->img_comp[n].hd, z->huff_ac+z->img_comp[n].ha, n)) return 0; + #if STBI_SIMD + stbi_idct_installed(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8, z->img_comp[n].w2, data, z->dequant2[z->img_comp[n].tq]); + #else + idct_block(z->img_comp[n].data+z->img_comp[n].w2*j*8+i*8, z->img_comp[n].w2, data, z->dequant[z->img_comp[n].tq]); + #endif + // every data block is an MCU, so countdown the restart interval + if (--z->todo <= 0) { + if (z->code_bits < 24) grow_buffer_unsafe(z); + // if it's NOT a restart, then just bail, so we get corrupt data + // rather than no data + if (!RESTART(z->marker)) return 1; + reset(z); + } + } + } + } else { // interleaved! + int i,j,k,x,y; + short data[64]; + for (j=0; j < z->img_mcu_y; ++j) { + for (i=0; i < z->img_mcu_x; ++i) { + // scan an interleaved mcu... process scan_n components in order + for (k=0; k < z->scan_n; ++k) { + int n = z->order[k]; + // scan out an mcu's worth of this component; that's just determined + // by the basic H and V specified for the component + for (y=0; y < z->img_comp[n].v; ++y) { + for (x=0; x < z->img_comp[n].h; ++x) { + int x2 = (i*z->img_comp[n].h + x)*8; + int y2 = (j*z->img_comp[n].v + y)*8; + if (!decode_block(z, data, z->huff_dc+z->img_comp[n].hd, z->huff_ac+z->img_comp[n].ha, n)) return 0; + #if STBI_SIMD + stbi_idct_installed(z->img_comp[n].data+z->img_comp[n].w2*y2+x2, z->img_comp[n].w2, data, z->dequant2[z->img_comp[n].tq]); + #else + idct_block(z->img_comp[n].data+z->img_comp[n].w2*y2+x2, z->img_comp[n].w2, data, z->dequant[z->img_comp[n].tq]); + #endif + } + } + } + // after all interleaved components, that's an interleaved MCU, + // so now count down the restart interval + if (--z->todo <= 0) { + if (z->code_bits < 24) grow_buffer_unsafe(z); + // if it's NOT a restart, then just bail, so we get corrupt data + // rather than no data + if (!RESTART(z->marker)) return 1; + reset(z); + } + } + } + } + return 1; +} + +static int process_marker(jpeg *z, int m) +{ + int L; + switch (m) { + case MARKER_none: // no marker found + return e("expected marker","Corrupt JPEG"); + + case 0xC2: // SOF - progressive + return e("progressive jpeg","JPEG format not supported (progressive)"); + + case 0xDD: // DRI - specify restart interval + if (get16(&z->s) != 4) return e("bad DRI len","Corrupt JPEG"); + z->restart_interval = get16(&z->s); + return 1; + + case 0xDB: // DQT - define quantization table + L = get16(&z->s)-2; + while (L > 0) { + int q = get8(&z->s); + int p = q >> 4; + int t = q & 15,i; + if (p != 0) return e("bad DQT type","Corrupt JPEG"); + if (t > 3) return e("bad DQT table","Corrupt JPEG"); + for (i=0; i < 64; ++i) + z->dequant[t][dezigzag[i]] = get8u(&z->s); + #if STBI_SIMD + for (i=0; i < 64; ++i) + z->dequant2[t][i] = z->dequant[t][i]; + #endif + L -= 65; + } + return L==0; + + case 0xC4: // DHT - define huffman table + L = get16(&z->s)-2; + while (L > 0) { + uint8_t *v; + int sizes[16],i,m=0; + int q = get8(&z->s); + int tc = q >> 4; + int th = q & 15; + if (tc > 1 || th > 3) return e("bad DHT header","Corrupt JPEG"); + for (i=0; i < 16; ++i) { + sizes[i] = get8(&z->s); + m += sizes[i]; + } + L -= 17; + if (tc == 0) { + if (!build_huffman(z->huff_dc+th, sizes)) return 0; + v = z->huff_dc[th].values; + } else { + if (!build_huffman(z->huff_ac+th, sizes)) return 0; + v = z->huff_ac[th].values; + } + for (i=0; i < m; ++i) + v[i] = get8u(&z->s); + L -= m; + } + return L==0; + } + // check for comment block or APP blocks + if ((m >= 0xE0 && m <= 0xEF) || m == 0xFE) { + skip(&z->s, get16(&z->s)-2); + return 1; + } + return 0; +} + +// after we see SOS +static int process_scan_header(jpeg *z) +{ + int i; + int Ls = get16(&z->s); + z->scan_n = get8(&z->s); + if (z->scan_n < 1 || z->scan_n > 4 || z->scan_n > (int) z->s.img_n) return e("bad SOS component count","Corrupt JPEG"); + if (Ls != 6+2*z->scan_n) return e("bad SOS len","Corrupt JPEG"); + for (i=0; i < z->scan_n; ++i) { + int id = get8(&z->s), which; + int q = get8(&z->s); + for (which = 0; which < z->s.img_n; ++which) + if (z->img_comp[which].id == id) + break; + if (which == z->s.img_n) return 0; + z->img_comp[which].hd = q >> 4; if (z->img_comp[which].hd > 3) return e("bad DC huff","Corrupt JPEG"); + z->img_comp[which].ha = q & 15; if (z->img_comp[which].ha > 3) return e("bad AC huff","Corrupt JPEG"); + z->order[i] = which; + } + if (get8(&z->s) != 0) return e("bad SOS","Corrupt JPEG"); + get8(&z->s); // should be 63, but might be 0 + if (get8(&z->s) != 0) return e("bad SOS","Corrupt JPEG"); + + return 1; +} + +static int process_frame_header(jpeg *z, int scan) +{ + stbi *s = &z->s; + int Lf,p,i,q, h_max=1,v_max=1,c; + Lf = get16(s); if (Lf < 11) return e("bad SOF len","Corrupt JPEG"); // JPEG + p = get8(s); if (p != 8) return e("only 8-bit","JPEG format not supported: 8-bit only"); // JPEG baseline + s->img_y = get16(s); if (s->img_y == 0) return e("no header height", "JPEG format not supported: delayed height"); // Legal, but we don't handle it--but neither does IJG + s->img_x = get16(s); if (s->img_x == 0) return e("0 width","Corrupt JPEG"); // JPEG requires + c = get8(s); + if (c != 3 && c != 1) return e("bad component count","Corrupt JPEG"); // JFIF requires + s->img_n = c; + for (i=0; i < c; ++i) { + z->img_comp[i].data = NULL; + z->img_comp[i].linebuf = NULL; + } + + if (Lf != 8+3*s->img_n) return e("bad SOF len","Corrupt JPEG"); + + for (i=0; i < s->img_n; ++i) { + z->img_comp[i].id = get8(s); + if (z->img_comp[i].id != i+1) // JFIF requires + if (z->img_comp[i].id != i) // some version of jpegtran outputs non-JFIF-compliant files! + return e("bad component ID","Corrupt JPEG"); + q = get8(s); + z->img_comp[i].h = (q >> 4); if (!z->img_comp[i].h || z->img_comp[i].h > 4) return e("bad H","Corrupt JPEG"); + z->img_comp[i].v = q & 15; if (!z->img_comp[i].v || z->img_comp[i].v > 4) return e("bad V","Corrupt JPEG"); + z->img_comp[i].tq = get8(s); if (z->img_comp[i].tq > 3) return e("bad TQ","Corrupt JPEG"); + } + + if (scan != SCAN_load) return 1; + + if ((1 << 30) / s->img_x / s->img_n < s->img_y) return e("too large", "Image too large to decode"); + + for (i=0; i < s->img_n; ++i) { + if (z->img_comp[i].h > h_max) h_max = z->img_comp[i].h; + if (z->img_comp[i].v > v_max) v_max = z->img_comp[i].v; + } + + // compute interleaved mcu info + z->img_h_max = h_max; + z->img_v_max = v_max; + z->img_mcu_w = h_max * 8; + z->img_mcu_h = v_max * 8; + z->img_mcu_x = (s->img_x + z->img_mcu_w-1) / z->img_mcu_w; + z->img_mcu_y = (s->img_y + z->img_mcu_h-1) / z->img_mcu_h; + + for (i=0; i < s->img_n; ++i) { + // number of effective pixels (e.g. for non-interleaved MCU) + z->img_comp[i].x = (s->img_x * z->img_comp[i].h + h_max-1) / h_max; + z->img_comp[i].y = (s->img_y * z->img_comp[i].v + v_max-1) / v_max; + // to simplify generation, we'll allocate enough memory to decode + // the bogus oversized data from using interleaved MCUs and their + // big blocks (e.g. a 16x16 iMCU on an image of width 33); we won't + // discard the extra data until colorspace conversion + z->img_comp[i].w2 = z->img_mcu_x * z->img_comp[i].h * 8; + z->img_comp[i].h2 = z->img_mcu_y * z->img_comp[i].v * 8; + z->img_comp[i].raw_data = malloc(z->img_comp[i].w2 * z->img_comp[i].h2+15); + if (z->img_comp[i].raw_data == NULL) { + for(--i; i >= 0; --i) { + free(z->img_comp[i].raw_data); + z->img_comp[i].data = NULL; + } + return e("outofmem", "Out of memory"); + } + // align blocks for installable-idct using mmx/sse + z->img_comp[i].data = (uint8_t*) (((size_t) z->img_comp[i].raw_data + 15) & ~15); + z->img_comp[i].linebuf = NULL; + } + + return 1; +} + +// use comparisons since in some cases we handle more than one case (e.g. SOF) +#define DNL(x) ((x) == 0xdc) +#define SOI(x) ((x) == 0xd8) +#define EOI(x) ((x) == 0xd9) +#define SOF(x) ((x) == 0xc0 || (x) == 0xc1) +#define SOS(x) ((x) == 0xda) + +static int decode_jpeg_header(jpeg *z, int scan) +{ + int m; + z->marker = MARKER_none; // initialize cached marker to empty + m = get_marker(z); + if (!SOI(m)) return e("no SOI","Corrupt JPEG"); + if (scan == SCAN_type) return 1; + m = get_marker(z); + while (!SOF(m)) { + if (!process_marker(z,m)) return 0; + m = get_marker(z); + while (m == MARKER_none) { + // some files have extra padding after their blocks, so ok, we'll scan + if (at_eof(&z->s)) return e("no SOF", "Corrupt JPEG"); + m = get_marker(z); + } + } + if (!process_frame_header(z, scan)) return 0; + return 1; +} + +static int decode_jpeg_image(jpeg *j) +{ + int m; + j->restart_interval = 0; + if (!decode_jpeg_header(j, SCAN_load)) return 0; + m = get_marker(j); + while (!EOI(m)) { + if (SOS(m)) { + if (!process_scan_header(j)) return 0; + if (!parse_entropy_coded_data(j)) return 0; + } else { + if (!process_marker(j, m)) return 0; + } + m = get_marker(j); + } + return 1; +} + +// static jfif-centered resampling (across block boundaries) + +typedef uint8_t *(*resample_row_func)(uint8_t *out, uint8_t *in0, uint8_t *in1, + int w, int hs); + +#define div4(x) ((uint8_t) ((x) >> 2)) + +static uint8_t *resample_row_1(uint8_t *out, uint8_t *in_near, uint8_t *in_far, int w, int hs) +{ + return in_near; +} + +static uint8_t* resample_row_v_2(uint8_t *out, uint8_t *in_near, uint8_t *in_far, int w, int hs) +{ + // need to generate two samples vertically for every one in input + int i; + for (i=0; i < w; ++i) + out[i] = div4(3*in_near[i] + in_far[i] + 2); + return out; +} + +static uint8_t* resample_row_h_2(uint8_t *out, uint8_t *in_near, uint8_t *in_far, int w, int hs) +{ + // need to generate two samples horizontally for every one in input + int i; + uint8_t *input = in_near; + if (w == 1) { + // if only one sample, can't do any interpolation + out[0] = out[1] = input[0]; + return out; + } + + out[0] = input[0]; + out[1] = div4(input[0]*3 + input[1] + 2); + for (i=1; i < w-1; ++i) { + int n = 3*input[i]+2; + out[i*2+0] = div4(n+input[i-1]); + out[i*2+1] = div4(n+input[i+1]); + } + out[i*2+0] = div4(input[w-2]*3 + input[w-1] + 2); + out[i*2+1] = input[w-1]; + return out; +} + +#define div16(x) ((uint8_t) ((x) >> 4)) + +static uint8_t *resample_row_hv_2(uint8_t *out, uint8_t *in_near, uint8_t *in_far, int w, int hs) +{ + // need to generate 2x2 samples for every one in input + int i,t0,t1; + if (w == 1) { + out[0] = out[1] = div4(3*in_near[0] + in_far[0] + 2); + return out; + } + + t1 = 3*in_near[0] + in_far[0]; + out[0] = div4(t1+2); + for (i=1; i < w; ++i) { + t0 = t1; + t1 = 3*in_near[i]+in_far[i]; + out[i*2-1] = div16(3*t0 + t1 + 8); + out[i*2 ] = div16(3*t1 + t0 + 8); + } + out[w*2-1] = div4(t1+2); + return out; +} + +static uint8_t *resample_row_generic(uint8_t *out, uint8_t *in_near, uint8_t *in_far, int w, int hs) +{ + // resample with nearest-neighbor + int i,j; + for (i=0; i < w; ++i) + for (j=0; j < hs; ++j) + out[i*hs+j] = in_near[i]; + return out; +} + +#define float2fixed(x) ((int) ((x) * 65536 + 0.5)) + +// 0.38 seconds on 3*anemones.jpg (0.25 with processor = Pro) +// VC6 without processor=Pro is generating multiple LEAs per multiply! +static void YCbCr_to_RGB_row(uint8_t *out, const uint8_t *y, const uint8_t *pcb, const uint8_t *pcr, int count, int step) +{ + int i; + for (i=0; i < count; ++i) { + int y_fixed = (y[i] << 16) + 32768; // rounding + int r,g,b; + int cr = pcr[i] - 128; + int cb = pcb[i] - 128; + r = y_fixed + cr*float2fixed(1.40200f); + g = y_fixed - cr*float2fixed(0.71414f) - cb*float2fixed(0.34414f); + b = y_fixed + cb*float2fixed(1.77200f); + r >>= 16; + g >>= 16; + b >>= 16; + if ((unsigned) r > 255) { if (r < 0) r = 0; else r = 255; } + if ((unsigned) g > 255) { if (g < 0) g = 0; else g = 255; } + if ((unsigned) b > 255) { if (b < 0) b = 0; else b = 255; } + out[0] = (uint8_t)r; + out[1] = (uint8_t)g; + out[2] = (uint8_t)b; + out[3] = 255; + out += step; + } +} + +#if STBI_SIMD +static stbi_YCbCr_to_RGB_run stbi_YCbCr_installed = YCbCr_to_RGB_row; + +void stbi_install_YCbCr_to_RGB(stbi_YCbCr_to_RGB_run func) +{ + stbi_YCbCr_installed = func; +} +#endif + + +// clean up the temporary component buffers +static void cleanup_jpeg(jpeg *j) +{ + int i; + for (i=0; i < j->s.img_n; ++i) { + if (j->img_comp[i].data) { + free(j->img_comp[i].raw_data); + j->img_comp[i].data = NULL; + } + if (j->img_comp[i].linebuf) { + free(j->img_comp[i].linebuf); + j->img_comp[i].linebuf = NULL; + } + } +} + +typedef struct +{ + resample_row_func resample; + uint8_t *line0,*line1; + int hs,vs; // expansion factor in each axis + int w_lores; // horizontal pixels pre-expansion + int ystep; // how far through vertical expansion we are + int ypos; // which pre-expansion row we're on +} stbi_resample; + +static uint8_t *load_jpeg_image(jpeg *z, int *out_x, int *out_y, int *comp, int req_comp) +{ + int n, decode_n; + // validate req_comp + if (req_comp < 0 || req_comp > 4) return epuc("bad req_comp", "Internal error"); + z->s.img_n = 0; + + // load a jpeg image from whichever source + if (!decode_jpeg_image(z)) { cleanup_jpeg(z); return NULL; } + + // determine actual number of components to generate + n = req_comp ? req_comp : z->s.img_n; + + if (z->s.img_n == 3 && n < 3) + decode_n = 1; + else + decode_n = z->s.img_n; + + // resample and color-convert + { + int k; + unsigned int i,j; + uint8_t *output; + uint8_t *coutput[4]; + + stbi_resample res_comp[4]; + + for (k=0; k < decode_n; ++k) { + stbi_resample *r = &res_comp[k]; + + // allocate line buffer big enough for upsampling off the edges + // with upsample factor of 4 + z->img_comp[k].linebuf = (uint8_t *) malloc(z->s.img_x + 3); + if (!z->img_comp[k].linebuf) { cleanup_jpeg(z); return epuc("outofmem", "Out of memory"); } + + r->hs = z->img_h_max / z->img_comp[k].h; + r->vs = z->img_v_max / z->img_comp[k].v; + r->ystep = r->vs >> 1; + r->w_lores = (z->s.img_x + r->hs-1) / r->hs; + r->ypos = 0; + r->line0 = r->line1 = z->img_comp[k].data; + + if (r->hs == 1 && r->vs == 1) r->resample = resample_row_1; + else if (r->hs == 1 && r->vs == 2) r->resample = resample_row_v_2; + else if (r->hs == 2 && r->vs == 1) r->resample = resample_row_h_2; + else if (r->hs == 2 && r->vs == 2) r->resample = resample_row_hv_2; + else r->resample = resample_row_generic; + } + + // can't error after this so, this is safe + output = (uint8_t *) malloc(n * z->s.img_x * z->s.img_y + 1); + if (!output) { cleanup_jpeg(z); return epuc("outofmem", "Out of memory"); } + + // now go ahead and resample + for (j=0; j < z->s.img_y; ++j) { + uint8_t *out = output + n * z->s.img_x * j; + for (k=0; k < decode_n; ++k) { + stbi_resample *r = &res_comp[k]; + int y_bot = r->ystep >= (r->vs >> 1); + coutput[k] = r->resample(z->img_comp[k].linebuf, + y_bot ? r->line1 : r->line0, + y_bot ? r->line0 : r->line1, + r->w_lores, r->hs); + if (++r->ystep >= r->vs) { + r->ystep = 0; + r->line0 = r->line1; + if (++r->ypos < z->img_comp[k].y) + r->line1 += z->img_comp[k].w2; + } + } + if (n >= 3) { + uint8_t *y = coutput[0]; + if (z->s.img_n == 3) { + #if STBI_SIMD + stbi_YCbCr_installed(out, y, coutput[1], coutput[2], z->s.img_x, n); + #else + YCbCr_to_RGB_row(out, y, coutput[1], coutput[2], z->s.img_x, n); + #endif + } else + for (i=0; i < z->s.img_x; ++i) { + out[0] = out[1] = out[2] = y[i]; + out[3] = 255; // not used if n==3 + out += n; + } + } else { + uint8_t *y = coutput[0]; + if (n == 1) + for (i=0; i < z->s.img_x; ++i) out[i] = y[i]; + else + for (i=0; i < z->s.img_x; ++i) *out++ = y[i], *out++ = 255; + } + } + cleanup_jpeg(z); + *out_x = z->s.img_x; + *out_y = z->s.img_y; + if (comp) *comp = z->s.img_n; // report original components, not output + return output; + } +} + +#ifndef STBI_NO_STDIO +unsigned char *stbi_jpeg_load_from_file(FILE *f, int *x, int *y, int *comp, int req_comp) +{ + jpeg j; + start_file(&j.s, f); + return load_jpeg_image(&j, x,y,comp,req_comp); +} + +unsigned char *stbi_jpeg_load(char const *filename, int *x, int *y, int *comp, int req_comp) +{ + unsigned char *data; + FILE *f = fopen(filename, "rb"); + if (!f) return NULL; + data = stbi_jpeg_load_from_file(f,x,y,comp,req_comp); + fclose(f); + return data; +} +#endif + +unsigned char *stbi_jpeg_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) +{ + jpeg j; + start_mem(&j.s, buffer,len); + return load_jpeg_image(&j, x,y,comp,req_comp); +} + +#ifndef STBI_NO_STDIO +int stbi_jpeg_test_file(FILE *f) +{ + int n,r; + jpeg j; + n = ftell(f); + start_file(&j.s, f); + r = decode_jpeg_header(&j, SCAN_type); + fseek(f,n,SEEK_SET); + return r; +} +#endif + +int stbi_jpeg_test_memory(stbi_uc const *buffer, int len) +{ + jpeg j; + start_mem(&j.s, buffer,len); + return decode_jpeg_header(&j, SCAN_type); +} + +// @TODO: +#ifndef STBI_NO_STDIO +extern int stbi_jpeg_info (char const *filename, int *x, int *y, int *comp); +extern int stbi_jpeg_info_from_file (FILE *f, int *x, int *y, int *comp); +#endif +extern int stbi_jpeg_info_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp); + +// public domain zlib decode v0.2 Sean Barrett 2006-11-18 +// simple implementation +// - all input must be provided in an upfront buffer +// - all output is written to a single output buffer (can malloc/realloc) +// performance +// - fast huffman + +// fast-way is faster to check than jpeg huffman, but slow way is slower +#define ZFAST_BITS 9 // accelerate all cases in default tables +#define ZFAST_MASK ((1 << ZFAST_BITS) - 1) + +// zlib-style huffman encoding +// (jpegs packs from left, zlib from right, so can't share code) +typedef struct +{ + uint16_t fast[1 << ZFAST_BITS]; + uint16_t firstcode[16]; + int maxcode[17]; + uint16_t firstsymbol[16]; + uint8_t size[288]; + uint16_t value[288]; +} zhuffman; + +__forceinline static int bitreverse16(int n) +{ + n = ((n & 0xAAAA) >> 1) | ((n & 0x5555) << 1); + n = ((n & 0xCCCC) >> 2) | ((n & 0x3333) << 2); + n = ((n & 0xF0F0) >> 4) | ((n & 0x0F0F) << 4); + n = ((n & 0xFF00) >> 8) | ((n & 0x00FF) << 8); + return n; +} + +__forceinline static int bit_reverse(int v, int bits) +{ + assert(bits <= 16); + // to bit reverse n bits, reverse 16 and shift + // e.g. 11 bits, bit reverse and shift away 5 + return bitreverse16(v) >> (16-bits); +} + +static int zbuild_huffman(zhuffman *z, uint8_t *sizelist, int num) +{ + int i,k=0; + int code, next_code[16], sizes[17]; + + // DEFLATE spec for generating codes + memset(sizes, 0, sizeof(sizes)); + memset(z->fast, 255, sizeof(z->fast)); + for (i=0; i < num; ++i) + ++sizes[sizelist[i]]; + sizes[0] = 0; + for (i=1; i < 16; ++i) + assert(sizes[i] <= (1 << i)); + code = 0; + for (i=1; i < 16; ++i) { + next_code[i] = code; + z->firstcode[i] = (uint16_t) code; + z->firstsymbol[i] = (uint16_t) k; + code = (code + sizes[i]); + if (sizes[i]) + if (code-1 >= (1 << i)) return e("bad codelengths","Corrupt JPEG"); + z->maxcode[i] = code << (16-i); // preshift for inner loop + code <<= 1; + k += sizes[i]; + } + z->maxcode[16] = 0x10000; // sentinel + for (i=0; i < num; ++i) { + int s = sizelist[i]; + if (s) { + int c = next_code[s] - z->firstcode[s] + z->firstsymbol[s]; + z->size[c] = (uint8_t)s; + z->value[c] = (uint16_t)i; + if (s <= ZFAST_BITS) { + int k = bit_reverse(next_code[s],s); + while (k < (1 << ZFAST_BITS)) { + z->fast[k] = (uint16_t) c; + k += (1 << s); + } + } + ++next_code[s]; + } + } + return 1; +} + +// zlib-from-memory implementation for PNG reading +// because PNG allows splitting the zlib stream arbitrarily, +// and it's annoying structurally to have PNG call ZLIB call PNG, +// we require PNG read all the IDATs and combine them into a single +// memory buffer + +typedef struct +{ + uint8_t *zbuffer, *zbuffer_end; + int num_bits; + uint32_t code_buffer; + + char *zout; + char *zout_start; + char *zout_end; + int z_expandable; + + zhuffman z_length, z_distance; +} zbuf; + +__forceinline static int zget8(zbuf *z) +{ + if (z->zbuffer >= z->zbuffer_end) return 0; + return *z->zbuffer++; +} + +static void fill_bits(zbuf *z) +{ + do { + assert(z->code_buffer < (1U << z->num_bits)); + z->code_buffer |= zget8(z) << z->num_bits; + z->num_bits += 8; + } while (z->num_bits <= 24); +} + +__forceinline static unsigned int zreceive(zbuf *z, int n) +{ + unsigned int k; + if (z->num_bits < n) fill_bits(z); + k = z->code_buffer & ((1 << n) - 1); + z->code_buffer >>= n; + z->num_bits -= n; + return k; +} + +__forceinline static int zhuffman_decode(zbuf *a, zhuffman *z) +{ + int b,s,k; + if (a->num_bits < 16) fill_bits(a); + b = z->fast[a->code_buffer & ZFAST_MASK]; + if (b < 0xffff) { + s = z->size[b]; + a->code_buffer >>= s; + a->num_bits -= s; + return z->value[b]; + } + + // not resolved by fast table, so compute it the slow way + // use jpeg approach, which requires MSbits at top + k = bit_reverse(a->code_buffer, 16); + for (s=ZFAST_BITS+1; ; ++s) + if (k < z->maxcode[s]) + break; + if (s == 16) return -1; // invalid code! + // code size is s, so: + b = (k >> (16-s)) - z->firstcode[s] + z->firstsymbol[s]; + assert(z->size[b] == s); + a->code_buffer >>= s; + a->num_bits -= s; + return z->value[b]; +} + +static int expand(zbuf *z, int n) // need to make room for n bytes +{ + char *q; + int cur, limit; + if (!z->z_expandable) return e("output buffer limit","Corrupt PNG"); + cur = (int) (z->zout - z->zout_start); + limit = (int) (z->zout_end - z->zout_start); + while (cur + n > limit) + limit *= 2; + q = (char *) realloc(z->zout_start, limit); + if (q == NULL) return e("outofmem", "Out of memory"); + z->zout_start = q; + z->zout = q + cur; + z->zout_end = q + limit; + return 1; +} + +static int length_base[31] = { + 3,4,5,6,7,8,9,10,11,13, + 15,17,19,23,27,31,35,43,51,59, + 67,83,99,115,131,163,195,227,258,0,0 }; + +static int length_extra[31]= +{ 0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0 }; + +static int dist_base[32] = { 1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193, +257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0}; + +static int dist_extra[32] = +{ 0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13}; + +static int parse_huffman_block(zbuf *a) +{ + for(;;) { + int z = zhuffman_decode(a, &a->z_length); + if (z < 256) { + if (z < 0) return e("bad huffman code","Corrupt PNG"); // error in huffman codes + if (a->zout >= a->zout_end) if (!expand(a, 1)) return 0; + *a->zout++ = (char) z; + } else { + uint8_t *p; + int len,dist; + if (z == 256) return 1; + z -= 257; + len = length_base[z]; + if (length_extra[z]) len += zreceive(a, length_extra[z]); + z = zhuffman_decode(a, &a->z_distance); + if (z < 0) return e("bad huffman code","Corrupt PNG"); + dist = dist_base[z]; + if (dist_extra[z]) dist += zreceive(a, dist_extra[z]); + if (a->zout - a->zout_start < dist) return e("bad dist","Corrupt PNG"); + if (a->zout + len > a->zout_end) if (!expand(a, len)) return 0; + p = (uint8_t *) (a->zout - dist); + while (len--) + *a->zout++ = *p++; + } + } +} + +static int compute_huffman_codes(zbuf *a) +{ + static uint8_t length_dezigzag[19] = { 16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15 }; + zhuffman z_codelength; + uint8_t lencodes[286+32+137];//padding for maximum single op + uint8_t codelength_sizes[19]; + int i,n; + + int hlit = zreceive(a,5) + 257; + int hdist = zreceive(a,5) + 1; + int hclen = zreceive(a,4) + 4; + + memset(codelength_sizes, 0, sizeof(codelength_sizes)); + for (i=0; i < hclen; ++i) { + int s = zreceive(a,3); + codelength_sizes[length_dezigzag[i]] = (uint8_t) s; + } + if (!zbuild_huffman(&z_codelength, codelength_sizes, 19)) return 0; + + n = 0; + while (n < hlit + hdist) { + int c = zhuffman_decode(a, &z_codelength); + assert(c >= 0 && c < 19); + if (c < 16) + lencodes[n++] = (uint8_t) c; + else if (c == 16) { + c = zreceive(a,2)+3; + memset(lencodes+n, lencodes[n-1], c); + n += c; + } else if (c == 17) { + c = zreceive(a,3)+3; + memset(lencodes+n, 0, c); + n += c; + } else { + assert(c == 18); + c = zreceive(a,7)+11; + memset(lencodes+n, 0, c); + n += c; + } + } + if (n != hlit+hdist) return e("bad codelengths","Corrupt PNG"); + if (!zbuild_huffman(&a->z_length, lencodes, hlit)) return 0; + if (!zbuild_huffman(&a->z_distance, lencodes+hlit, hdist)) return 0; + return 1; +} + +static int parse_uncompressed_block(zbuf *a) +{ + uint8_t header[4]; + int len,nlen,k; + if (a->num_bits & 7) + zreceive(a, a->num_bits & 7); // discard + // drain the bit-packed data into header + k = 0; + while (a->num_bits > 0) { + header[k++] = (uint8_t) (a->code_buffer & 255); // wtf this warns? + a->code_buffer >>= 8; + a->num_bits -= 8; + } + assert(a->num_bits == 0); + // now fill header the normal way + while (k < 4) + header[k++] = (uint8_t) zget8(a); + len = header[1] * 256 + header[0]; + nlen = header[3] * 256 + header[2]; + if (nlen != (len ^ 0xffff)) return e("zlib corrupt","Corrupt PNG"); + if (a->zbuffer + len > a->zbuffer_end) return e("read past buffer","Corrupt PNG"); + if (a->zout + len > a->zout_end) + if (!expand(a, len)) return 0; + memcpy(a->zout, a->zbuffer, len); + a->zbuffer += len; + a->zout += len; + return 1; +} + +static int parse_zlib_header(zbuf *a) +{ + int cmf = zget8(a); + int cm = cmf & 15; + /* int cinfo = cmf >> 4; */ + int flg = zget8(a); + if ((cmf*256+flg) % 31 != 0) return e("bad zlib header","Corrupt PNG"); // zlib spec + if (flg & 32) return e("no preset dict","Corrupt PNG"); // preset dictionary not allowed in png + if (cm != 8) return e("bad compression","Corrupt PNG"); // DEFLATE required for png + // window = 1 << (8 + cinfo)... but who cares, we fully buffer output + return 1; +} + +// @TODO: should statically initialize these for optimal thread safety +static uint8_t default_length[288], default_distance[32]; +static void init_defaults(void) +{ + int i; // use <= to match clearly with spec + for (i=0; i <= 143; ++i) default_length[i] = 8; + for ( ; i <= 255; ++i) default_length[i] = 9; + for ( ; i <= 279; ++i) default_length[i] = 7; + for ( ; i <= 287; ++i) default_length[i] = 8; + + for (i=0; i <= 31; ++i) default_distance[i] = 5; +} + +int stbi_png_partial; // a quick hack to only allow decoding some of a PNG... I should implement real streaming support instead +static int parse_zlib(zbuf *a, int parse_header) +{ + int final, type; + if (parse_header) + if (!parse_zlib_header(a)) return 0; + a->num_bits = 0; + a->code_buffer = 0; + do { + final = zreceive(a,1); + type = zreceive(a,2); + if (type == 0) { + if (!parse_uncompressed_block(a)) return 0; + } else if (type == 3) { + return 0; + } else { + if (type == 1) { + // use fixed code lengths + if (!default_distance[31]) init_defaults(); + if (!zbuild_huffman(&a->z_length , default_length , 288)) return 0; + if (!zbuild_huffman(&a->z_distance, default_distance, 32)) return 0; + } else { + if (!compute_huffman_codes(a)) return 0; + } + if (!parse_huffman_block(a)) return 0; + } + if (stbi_png_partial && a->zout - a->zout_start > 65536) + break; + } while (!final); + return 1; +} + +static int do_zlib(zbuf *a, char *obuf, int olen, int exp, int parse_header) +{ + a->zout_start = obuf; + a->zout = obuf; + a->zout_end = obuf + olen; + a->z_expandable = exp; + + return parse_zlib(a, parse_header); +} + +char *stbi_zlib_decode_malloc_guesssize(const char *buffer, int len, int initial_size, int *outlen) +{ + zbuf a; + char *p = (char *) malloc(initial_size); + if (p == NULL) return NULL; + a.zbuffer = (uint8_t *) buffer; + a.zbuffer_end = (uint8_t *) buffer + len; + if (do_zlib(&a, p, initial_size, 1, 1)) { + if (outlen) *outlen = (int) (a.zout - a.zout_start); + return a.zout_start; + } else { + free(a.zout_start); + return NULL; + } +} + +char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen) +{ + return stbi_zlib_decode_malloc_guesssize(buffer, len, 16384, outlen); +} + +int stbi_zlib_decode_buffer(char *obuffer, int olen, char const *ibuffer, int ilen) +{ + zbuf a; + a.zbuffer = (uint8_t *) ibuffer; + a.zbuffer_end = (uint8_t *) ibuffer + ilen; + if (do_zlib(&a, obuffer, olen, 0, 1)) + return (int) (a.zout - a.zout_start); + else + return -1; +} + +char *stbi_zlib_decode_noheader_malloc(char const *buffer, int len, int *outlen) +{ + zbuf a; + char *p = (char *) malloc(16384); + if (p == NULL) return NULL; + a.zbuffer = (uint8_t *) buffer; + a.zbuffer_end = (uint8_t *) buffer+len; + if (do_zlib(&a, p, 16384, 1, 0)) { + if (outlen) *outlen = (int) (a.zout - a.zout_start); + return a.zout_start; + } else { + free(a.zout_start); + return NULL; + } +} + +int stbi_zlib_decode_noheader_buffer(char *obuffer, int olen, const char *ibuffer, int ilen) +{ + zbuf a; + a.zbuffer = (uint8_t *) ibuffer; + a.zbuffer_end = (uint8_t *) ibuffer + ilen; + if (do_zlib(&a, obuffer, olen, 0, 0)) + return (int) (a.zout - a.zout_start); + else + return -1; +} + +// public domain "baseline" PNG decoder v0.10 Sean Barrett 2006-11-18 +// simple implementation +// - only 8-bit samples +// - no CRC checking +// - allocates lots of intermediate memory +// - avoids problem of streaming data between subsystems +// - avoids explicit window management +// performance +// - uses stb_zlib, a PD zlib implementation with fast huffman decoding + + +typedef struct +{ + uint32_t length; + uint32_t type; +} chunk; + +#define PNG_TYPE(a,b,c,d) (((a) << 24) + ((b) << 16) + ((c) << 8) + (d)) + +static chunk get_chunk_header(stbi *s) +{ + chunk c; + c.length = get32(s); + c.type = get32(s); + return c; +} + +static int check_png_header(stbi *s) +{ + static uint8_t png_sig[8] = { 137,80,78,71,13,10,26,10 }; + int i; + for (i=0; i < 8; ++i) + if (get8(s) != png_sig[i]) return e("bad png sig","Not a PNG"); + return 1; +} + +typedef struct +{ + stbi s; + uint8_t *idata, *expanded, *out; +} png; + + +enum { + F_none=0, F_sub=1, F_up=2, F_avg=3, F_paeth=4, + F_avg_first, F_paeth_first, +}; + +static uint8_t first_row_filter[5] = +{ + F_none, F_sub, F_none, F_avg_first, F_paeth_first +}; + +static int paeth(int a, int b, int c) +{ + int p = a + b - c; + int pa = abs(p-a); + int pb = abs(p-b); + int pc = abs(p-c); + if (pa <= pb && pa <= pc) return a; + if (pb <= pc) return b; + return c; +} + +// create the png data from post-deflated data +static int create_png_image_raw(png *a, uint8_t *raw, uint32_t raw_len, int out_n, uint32_t x, uint32_t y) +{ + stbi *s = &a->s; + uint32_t i,j,stride = x*out_n; + int k; + int img_n = s->img_n; // copy it into a local for later + assert(out_n == s->img_n || out_n == s->img_n+1); + if (stbi_png_partial) y = 1; + a->out = (uint8_t *) malloc(x * y * out_n); + if (!a->out) return e("outofmem", "Out of memory"); + if (!stbi_png_partial) { + if (s->img_x == x && s->img_y == y) { + if (raw_len != (img_n * x + 1) * y) return e("not enough pixels","Corrupt PNG"); + } else { // interlaced: + if (raw_len < (img_n * x + 1) * y) return e("not enough pixels","Corrupt PNG"); + } + } + for (j=0; j < y; ++j) { + uint8_t *cur = a->out + stride*j; + uint8_t *prior = cur - stride; + int filter = *raw++; + if (filter > 4) return e("invalid filter","Corrupt PNG"); + // if first row, use special filter that doesn't sample previous row + if (j == 0) filter = first_row_filter[filter]; + // handle first pixel explicitly + for (k=0; k < img_n; ++k) { + switch(filter) { + case F_none : cur[k] = raw[k]; break; + case F_sub : cur[k] = raw[k]; break; + case F_up : cur[k] = raw[k] + prior[k]; break; + case F_avg : cur[k] = raw[k] + (prior[k]>>1); break; + case F_paeth : cur[k] = (uint8_t) (raw[k] + paeth(0,prior[k],0)); break; + case F_avg_first : cur[k] = raw[k]; break; + case F_paeth_first: cur[k] = raw[k]; break; + } + } + if (img_n != out_n) cur[img_n] = 255; + raw += img_n; + cur += out_n; + prior += out_n; + // this is a little gross, so that we don't switch per-pixel or per-component + if (img_n == out_n) { + #define CASE(f) \ + case f: \ + for (i=x-1; i >= 1; --i, raw+=img_n,cur+=img_n,prior+=img_n) \ + for (k=0; k < img_n; ++k) + switch(filter) { + CASE(F_none) cur[k] = raw[k]; break; + CASE(F_sub) cur[k] = raw[k] + cur[k-img_n]; break; + CASE(F_up) cur[k] = raw[k] + prior[k]; break; + CASE(F_avg) cur[k] = raw[k] + ((prior[k] + cur[k-img_n])>>1); break; + CASE(F_paeth) cur[k] = (uint8_t) (raw[k] + paeth(cur[k-img_n],prior[k],prior[k-img_n])); break; + CASE(F_avg_first) cur[k] = raw[k] + (cur[k-img_n] >> 1); break; + CASE(F_paeth_first) cur[k] = (uint8_t) (raw[k] + paeth(cur[k-img_n],0,0)); break; + } + #undef CASE + } else { + assert(img_n+1 == out_n); + #define CASE(f) \ + case f: \ + for (i=x-1; i >= 1; --i, cur[img_n]=255,raw+=img_n,cur+=out_n,prior+=out_n) \ + for (k=0; k < img_n; ++k) + switch(filter) { + CASE(F_none) cur[k] = raw[k]; break; + CASE(F_sub) cur[k] = raw[k] + cur[k-out_n]; break; + CASE(F_up) cur[k] = raw[k] + prior[k]; break; + CASE(F_avg) cur[k] = raw[k] + ((prior[k] + cur[k-out_n])>>1); break; + CASE(F_paeth) cur[k] = (uint8_t) (raw[k] + paeth(cur[k-out_n],prior[k],prior[k-out_n])); break; + CASE(F_avg_first) cur[k] = raw[k] + (cur[k-out_n] >> 1); break; + CASE(F_paeth_first) cur[k] = (uint8_t) (raw[k] + paeth(cur[k-out_n],0,0)); break; + } + #undef CASE + } + } + return 1; +} + +static int create_png_image(png *a, uint8_t *raw, uint32_t raw_len, int out_n, int interlaced) +{ + uint8_t *final; + int p; + int save; + if (!interlaced) + return create_png_image_raw(a, raw, raw_len, out_n, a->s.img_x, a->s.img_y); + save = stbi_png_partial; + stbi_png_partial = 0; + + // de-interlacing + final = (uint8_t *) malloc(a->s.img_x * a->s.img_y * out_n); + for (p=0; p < 7; ++p) { + int xorig[] = { 0,4,0,2,0,1,0 }; + int yorig[] = { 0,0,4,0,2,0,1 }; + int xspc[] = { 8,8,4,4,2,2,1 }; + int yspc[] = { 8,8,8,4,4,2,2 }; + int i,j,x,y; + // pass1_x[4] = 0, pass1_x[5] = 1, pass1_x[12] = 1 + x = (a->s.img_x - xorig[p] + xspc[p]-1) / xspc[p]; + y = (a->s.img_y - yorig[p] + yspc[p]-1) / yspc[p]; + if (x && y) { + if (!create_png_image_raw(a, raw, raw_len, out_n, x, y)) { + free(final); + return 0; + } + for (j=0; j < y; ++j) + for (i=0; i < x; ++i) + memcpy(final + (j*yspc[p]+yorig[p])*a->s.img_x*out_n + (i*xspc[p]+xorig[p])*out_n, + a->out + (j*x+i)*out_n, out_n); + free(a->out); + raw += (x*out_n+1)*y; + raw_len -= (x*out_n+1)*y; + } + } + a->out = final; + + stbi_png_partial = save; + return 1; +} + +static int compute_transparency(png *z, uint8_t tc[3], int out_n) +{ + stbi *s = &z->s; + uint32_t i, pixel_count = s->img_x * s->img_y; + uint8_t *p = z->out; + + // compute color-based transparency, assuming we've + // already got 255 as the alpha value in the output + assert(out_n == 2 || out_n == 4); + + if (out_n == 2) { + for (i=0; i < pixel_count; ++i) { + p[1] = (p[0] == tc[0] ? 0 : 255); + p += 2; + } + } else { + for (i=0; i < pixel_count; ++i) { + if (p[0] == tc[0] && p[1] == tc[1] && p[2] == tc[2]) + p[3] = 0; + p += 4; + } + } + return 1; +} + +static int expand_palette(png *a, uint8_t *palette, int len, int pal_img_n) +{ + uint32_t i, pixel_count = a->s.img_x * a->s.img_y; + uint8_t *p, *temp_out, *orig = a->out; + + p = (uint8_t *) malloc(pixel_count * pal_img_n); + if (p == NULL) return e("outofmem", "Out of memory"); + + // between here and free(out) below, exitting would leak + temp_out = p; + + if (pal_img_n == 3) { + for (i=0; i < pixel_count; ++i) { + int n = orig[i]*4; + p[0] = palette[n ]; + p[1] = palette[n+1]; + p[2] = palette[n+2]; + p += 3; + } + } else { + for (i=0; i < pixel_count; ++i) { + int n = orig[i]*4; + p[0] = palette[n ]; + p[1] = palette[n+1]; + p[2] = palette[n+2]; + p[3] = palette[n+3]; + p += 4; + } + } + free(a->out); + a->out = temp_out; + return 1; +} + +static int parse_png_file(png *z, int scan, int req_comp) +{ + uint8_t palette[1024], pal_img_n=0; + uint8_t has_trans=0, tc[3]; + uint32_t ioff=0, idata_limit=0, i, pal_len=0; + int first=1,k,interlace=0; + stbi *s = &z->s; + + if (!check_png_header(s)) return 0; + + if (scan == SCAN_type) return 1; + + for(;;first=0) { + chunk c = get_chunk_header(s); + if (first && c.type != PNG_TYPE('I','H','D','R')) + return e("first not IHDR","Corrupt PNG"); + switch (c.type) { + case PNG_TYPE('I','H','D','R'): { + int depth,color,comp,filter; + if (!first) return e("multiple IHDR","Corrupt PNG"); + if (c.length != 13) return e("bad IHDR len","Corrupt PNG"); + s->img_x = get32(s); if (s->img_x > (1 << 24)) return e("too large","Very large image (corrupt?)"); + s->img_y = get32(s); if (s->img_y > (1 << 24)) return e("too large","Very large image (corrupt?)"); + depth = get8(s); if (depth != 8) return e("8bit only","PNG not supported: 8-bit only"); + color = get8(s); if (color > 6) return e("bad ctype","Corrupt PNG"); + if (color == 3) pal_img_n = 3; else if (color & 1) return e("bad ctype","Corrupt PNG"); + comp = get8(s); if (comp) return e("bad comp method","Corrupt PNG"); + filter= get8(s); if (filter) return e("bad filter method","Corrupt PNG"); + interlace = get8(s); if (interlace>1) return e("bad interlace method","Corrupt PNG"); + if (!s->img_x || !s->img_y) return e("0-pixel image","Corrupt PNG"); + if (!pal_img_n) { + s->img_n = (color & 2 ? 3 : 1) + (color & 4 ? 1 : 0); + if ((1 << 30) / s->img_x / s->img_n < s->img_y) return e("too large", "Image too large to decode"); + if (scan == SCAN_header) return 1; + } else { + // if paletted, then pal_n is our final components, and + // img_n is # components to decompress/filter. + s->img_n = 1; + if ((1 << 30) / s->img_x / 4 < s->img_y) return e("too large","Corrupt PNG"); + // if SCAN_header, have to scan to see if we have a tRNS + } + break; + } + + case PNG_TYPE('P','L','T','E'): { + if (c.length > 256*3) return e("invalid PLTE","Corrupt PNG"); + pal_len = c.length / 3; + if (pal_len * 3 != c.length) return e("invalid PLTE","Corrupt PNG"); + for (i=0; i < pal_len; ++i) { + palette[i*4+0] = get8u(s); + palette[i*4+1] = get8u(s); + palette[i*4+2] = get8u(s); + palette[i*4+3] = 255; + } + break; + } + + case PNG_TYPE('t','R','N','S'): { + if (z->idata) return e("tRNS after IDAT","Corrupt PNG"); + if (pal_img_n) { + if (scan == SCAN_header) { s->img_n = 4; return 1; } + if (pal_len == 0) return e("tRNS before PLTE","Corrupt PNG"); + if (c.length > pal_len) return e("bad tRNS len","Corrupt PNG"); + pal_img_n = 4; + for (i=0; i < c.length; ++i) + palette[i*4+3] = get8u(s); + } else { + if (!(s->img_n & 1)) return e("tRNS with alpha","Corrupt PNG"); + if (c.length != (uint32_t) s->img_n*2) return e("bad tRNS len","Corrupt PNG"); + has_trans = 1; + for (k=0; k < s->img_n; ++k) + tc[k] = (uint8_t) get16(s); // non 8-bit images will be larger + } + break; + } + + case PNG_TYPE('I','D','A','T'): { + if (pal_img_n && !pal_len) return e("no PLTE","Corrupt PNG"); + if (scan == SCAN_header) { s->img_n = pal_img_n; return 1; } + if (ioff + c.length > idata_limit) { + uint8_t *p; + if (idata_limit == 0) idata_limit = c.length > 4096 ? c.length : 4096; + while (ioff + c.length > idata_limit) + idata_limit *= 2; + p = (uint8_t *) realloc(z->idata, idata_limit); if (p == NULL) return e("outofmem", "Out of memory"); + z->idata = p; + } + #ifndef STBI_NO_STDIO + if (s->img_file) + { + if (fread(z->idata+ioff,1,c.length,s->img_file) != c.length) return e("outofdata","Corrupt PNG"); + } + else + #endif + { + memcpy(z->idata+ioff, s->img_buffer, c.length); + s->img_buffer += c.length; + } + ioff += c.length; + break; + } + + case PNG_TYPE('I','E','N','D'): { + uint32_t raw_len; + if (scan != SCAN_load) return 1; + if (z->idata == NULL) return e("no IDAT","Corrupt PNG"); + z->expanded = (uint8_t *) stbi_zlib_decode_malloc((char *) z->idata, ioff, (int *) &raw_len); + if (z->expanded == NULL) return 0; // zlib should set error + free(z->idata); z->idata = NULL; + if ((req_comp == s->img_n+1 && req_comp != 3 && !pal_img_n) || has_trans) + s->img_out_n = s->img_n+1; + else + s->img_out_n = s->img_n; + if (!create_png_image(z, z->expanded, raw_len, s->img_out_n, interlace)) return 0; + if (has_trans) + if (!compute_transparency(z, tc, s->img_out_n)) return 0; + if (pal_img_n) { + // pal_img_n == 3 or 4 + s->img_n = pal_img_n; // record the actual colors we had + s->img_out_n = pal_img_n; + if (req_comp >= 3) s->img_out_n = req_comp; + if (!expand_palette(z, palette, pal_len, s->img_out_n)) + return 0; + } + free(z->expanded); z->expanded = NULL; + return 1; + } + + default: + // if critical, fail + if ((c.type & (1 << 29)) == 0) { + #ifndef STBI_NO_FAILURE_STRINGS + // not threadsafe + static char invalid_chunk[] = "XXXX chunk not known"; + invalid_chunk[0] = (uint8_t) (c.type >> 24); + invalid_chunk[1] = (uint8_t) (c.type >> 16); + invalid_chunk[2] = (uint8_t) (c.type >> 8); + invalid_chunk[3] = (uint8_t) (c.type >> 0); + #endif + return e(invalid_chunk, "PNG not supported: unknown chunk type"); + } + skip(s, c.length); + break; + } + // end of chunk, read and skip CRC + get32(s); + } +} + +static unsigned char *do_png(png *p, int *x, int *y, int *n, int req_comp) +{ + unsigned char *result=NULL; + p->expanded = NULL; + p->idata = NULL; + p->out = NULL; + if (req_comp < 0 || req_comp > 4) return epuc("bad req_comp", "Internal error"); + if (parse_png_file(p, SCAN_load, req_comp)) { + result = p->out; + p->out = NULL; + if (req_comp && req_comp != p->s.img_out_n) { + result = convert_format(result, p->s.img_out_n, req_comp, p->s.img_x, p->s.img_y); + p->s.img_out_n = req_comp; + if (result == NULL) return result; + } + *x = p->s.img_x; + *y = p->s.img_y; + if (n) *n = p->s.img_n; + } + free(p->out); p->out = NULL; + free(p->expanded); p->expanded = NULL; + free(p->idata); p->idata = NULL; + + return result; +} + +#ifndef STBI_NO_STDIO +unsigned char *stbi_png_load_from_file(FILE *f, int *x, int *y, int *comp, int req_comp) +{ + png p; + start_file(&p.s, f); + return do_png(&p, x,y,comp,req_comp); +} + +unsigned char *stbi_png_load(char const *filename, int *x, int *y, int *comp, int req_comp) +{ + unsigned char *data; + FILE *f = fopen(filename, "rb"); + if (!f) return NULL; + data = stbi_png_load_from_file(f,x,y,comp,req_comp); + fclose(f); + return data; +} +#endif + +unsigned char *stbi_png_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) +{ + png p; + start_mem(&p.s, buffer,len); + return do_png(&p, x,y,comp,req_comp); +} + +#ifndef STBI_NO_STDIO +int stbi_png_test_file(FILE *f) +{ + png p; + int n,r; + n = ftell(f); + start_file(&p.s, f); + r = parse_png_file(&p, SCAN_type,STBI_default); + fseek(f,n,SEEK_SET); + return r; +} +#endif + +int stbi_png_test_memory(stbi_uc const *buffer, int len) +{ + png p; + start_mem(&p.s, buffer, len); + return parse_png_file(&p, SCAN_type,STBI_default); +} + +// TODO: load header from png +#ifndef STBI_NO_STDIO +int stbi_png_info (char const *filename, int *x, int *y, int *comp) +{ + png p; + FILE *f = fopen(filename, "rb"); + if (!f) return 0; + start_file(&p.s, f); + if (parse_png_file(&p, SCAN_header, 0)) { + if(x) *x = p.s.img_x; + if(y) *y = p.s.img_y; + if (comp) *comp = p.s.img_n; + fclose(f); + return 1; + } + fclose(f); + return 0; +} + +extern int stbi_png_info_from_file (FILE *f, int *x, int *y, int *comp); +#endif +extern int stbi_png_info_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp); + +// Microsoft/Windows BMP image + +static int bmp_test(stbi *s) +{ + int sz; + if (get8(s) != 'B') return 0; + if (get8(s) != 'M') return 0; + get32le(s); // discard filesize + get16le(s); // discard reserved + get16le(s); // discard reserved + get32le(s); // discard data offset + sz = get32le(s); + if (sz == 12 || sz == 40 || sz == 56 || sz == 108) return 1; + return 0; +} + +#ifndef STBI_NO_STDIO +int stbi_bmp_test_file (FILE *f) +{ + stbi s; + int r,n = ftell(f); + start_file(&s,f); + r = bmp_test(&s); + fseek(f,n,SEEK_SET); + return r; +} +#endif + +int stbi_bmp_test_memory (stbi_uc const *buffer, int len) +{ + stbi s; + start_mem(&s, buffer, len); + return bmp_test(&s); +} + +// returns 0..31 for the highest set bit +static int high_bit(unsigned int z) +{ + int n=0; + if (z == 0) return -1; + if (z >= 0x10000) n += 16, z >>= 16; + if (z >= 0x00100) n += 8, z >>= 8; + if (z >= 0x00010) n += 4, z >>= 4; + if (z >= 0x00004) n += 2, z >>= 2; + if (z >= 0x00002) n += 1, z >>= 1; + return n; +} + +static int bitcount(unsigned int a) +{ + a = (a & 0x55555555) + ((a >> 1) & 0x55555555); // max 2 + a = (a & 0x33333333) + ((a >> 2) & 0x33333333); // max 4 + a = (a + (a >> 4)) & 0x0f0f0f0f; // max 8 per 4, now 8 bits + a = (a + (a >> 8)); // max 16 per 8 bits + a = (a + (a >> 16)); // max 32 per 8 bits + return a & 0xff; +} + +static int shiftsigned(int v, int shift, int bits) +{ + int result; + int z=0; + + if (shift < 0) v <<= -shift; + else v >>= shift; + result = v; + + z = bits; + while (z < 8) { + result += v >> z; + z += bits; + } + return result; +} + +static stbi_uc *bmp_load(stbi *s, int *x, int *y, int *comp, int req_comp) +{ + uint8_t *out; + unsigned int mr=0,mg=0,mb=0,ma=0; + stbi_uc pal[256][4]; + int psize=0,i,j,compress=0,width; + int bpp, flip_vertically, pad, target, offset, hsz; + if (get8(s) != 'B' || get8(s) != 'M') return epuc("not BMP", "Corrupt BMP"); + get32le(s); // discard filesize + get16le(s); // discard reserved + get16le(s); // discard reserved + offset = get32le(s); + hsz = get32le(s); + if (hsz != 12 && hsz != 40 && hsz != 56 && hsz != 108) return epuc("unknown BMP", "BMP type not supported: unknown"); + failure_reason = "bad BMP"; + if (hsz == 12) { + s->img_x = get16le(s); + s->img_y = get16le(s); + } else { + s->img_x = get32le(s); + s->img_y = get32le(s); + } + if (get16le(s) != 1) return 0; + bpp = get16le(s); + if (bpp == 1) return epuc("monochrome", "BMP type not supported: 1-bit"); + flip_vertically = ((int) s->img_y) > 0; + s->img_y = abs((int) s->img_y); + if (hsz == 12) { + if (bpp < 24) + psize = (offset - 14 - 24) / 3; + } else { + compress = get32le(s); + if (compress == 1 || compress == 2) return epuc("BMP RLE", "BMP type not supported: RLE"); + get32le(s); // discard sizeof + get32le(s); // discard hres + get32le(s); // discard vres + get32le(s); // discard colorsused + get32le(s); // discard max important + if (hsz == 40 || hsz == 56) { + if (hsz == 56) { + get32le(s); + get32le(s); + get32le(s); + get32le(s); + } + if (bpp == 16 || bpp == 32) { + mr = mg = mb = 0; + if (compress == 0) { + if (bpp == 32) { + mr = 0xff << 16; + mg = 0xff << 8; + mb = 0xff << 0; + ma = 0xff << 24; + } else { + mr = 31 << 10; + mg = 31 << 5; + mb = 31 << 0; + } + } else if (compress == 3) { + mr = get32le(s); + mg = get32le(s); + mb = get32le(s); + // not documented, but generated by photoshop and handled by mspaint + if (mr == mg && mg == mb) { + // ?!?!? + return NULL; + } + } else + return NULL; + } + } else { + assert(hsz == 108); + mr = get32le(s); + mg = get32le(s); + mb = get32le(s); + ma = get32le(s); + get32le(s); // discard color space + for (i=0; i < 12; ++i) + get32le(s); // discard color space parameters + } + if (bpp < 16) + psize = (offset - 14 - hsz) >> 2; + } + s->img_n = ma ? 4 : 3; + if (req_comp && req_comp >= 3) // we can directly decode 3 or 4 + target = req_comp; + else + target = s->img_n; // if they want monochrome, we'll post-convert + out = (stbi_uc *) malloc(target * s->img_x * s->img_y); + if (!out) return epuc("outofmem", "Out of memory"); + if (bpp < 16) { + int z=0; + if (psize == 0 || psize > 256) { free(out); return epuc("invalid", "Corrupt BMP"); } + for (i=0; i < psize; ++i) { + pal[i][2] = get8(s); + pal[i][1] = get8(s); + pal[i][0] = get8(s); + if (hsz != 12) get8(s); + pal[i][3] = 255; + } + skip(s, offset - 14 - hsz - psize * (hsz == 12 ? 3 : 4)); + if (bpp == 4) width = (s->img_x + 1) >> 1; + else if (bpp == 8) width = s->img_x; + else { free(out); return epuc("bad bpp", "Corrupt BMP"); } + pad = (-width)&3; + for (j=0; j < (int) s->img_y; ++j) { + for (i=0; i < (int) s->img_x; i += 2) { + int v=get8(s),v2=0; + if (bpp == 4) { + v2 = v & 15; + v >>= 4; + } + out[z++] = pal[v][0]; + out[z++] = pal[v][1]; + out[z++] = pal[v][2]; + if (target == 4) out[z++] = 255; + if (i+1 == (int) s->img_x) break; + v = (bpp == 8) ? get8(s) : v2; + out[z++] = pal[v][0]; + out[z++] = pal[v][1]; + out[z++] = pal[v][2]; + if (target == 4) out[z++] = 255; + } + skip(s, pad); + } + } else { + int rshift=0,gshift=0,bshift=0,ashift=0,rcount=0,gcount=0,bcount=0,acount=0; + int z = 0; + int easy=0; + skip(s, offset - 14 - hsz); + if (bpp == 24) width = 3 * s->img_x; + else if (bpp == 16) width = 2*s->img_x; + else /* bpp = 32 and pad = 0 */ width=0; + pad = (-width) & 3; + if (bpp == 24) { + easy = 1; + } else if (bpp == 32) { + if (mb == 0xff && mg == 0xff00 && mr == 0xff000000 && ma == 0xff000000) + easy = 2; + } + if (!easy) { + if (!mr || !mg || !mb) return epuc("bad masks", "Corrupt BMP"); + // right shift amt to put high bit in position #7 + rshift = high_bit(mr)-7; rcount = bitcount(mr); + gshift = high_bit(mg)-7; gcount = bitcount(mr); + bshift = high_bit(mb)-7; bcount = bitcount(mr); + ashift = high_bit(ma)-7; acount = bitcount(mr); + } + for (j=0; j < (int) s->img_y; ++j) { + if (easy) { + for (i=0; i < (int) s->img_x; ++i) { + int a; + out[z+2] = get8(s); + out[z+1] = get8(s); + out[z+0] = get8(s); + z += 3; + a = (easy == 2 ? get8(s) : 255); + if (target == 4) out[z++] = a; + } + } else { + for (i=0; i < (int) s->img_x; ++i) { + uint32_t v = (bpp == 16 ? get16le(s) : get32le(s)); + int a; + out[z++] = shiftsigned(v & mr, rshift, rcount); + out[z++] = shiftsigned(v & mg, gshift, gcount); + out[z++] = shiftsigned(v & mb, bshift, bcount); + a = (ma ? shiftsigned(v & ma, ashift, acount) : 255); + if (target == 4) out[z++] = a; + } + } + skip(s, pad); + } + } + if (flip_vertically) { + stbi_uc t; + for (j=0; j < (int) s->img_y>>1; ++j) { + stbi_uc *p1 = out + j *s->img_x*target; + stbi_uc *p2 = out + (s->img_y-1-j)*s->img_x*target; + for (i=0; i < (int) s->img_x*target; ++i) { + t = p1[i], p1[i] = p2[i], p2[i] = t; + } + } + } + + if (req_comp && req_comp != target) { + out = convert_format(out, target, req_comp, s->img_x, s->img_y); + if (out == NULL) return out; // convert_format frees input on failure + } + + *x = s->img_x; + *y = s->img_y; + if (comp) *comp = target; + return out; +} + +#ifndef STBI_NO_STDIO +stbi_uc *stbi_bmp_load (char const *filename, int *x, int *y, int *comp, int req_comp) +{ + stbi_uc *data; + FILE *f = fopen(filename, "rb"); + if (!f) return NULL; + data = stbi_bmp_load_from_file(f, x,y,comp,req_comp); + fclose(f); + return data; +} + +stbi_uc *stbi_bmp_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp) +{ + stbi s; + start_file(&s, f); + return bmp_load(&s, x,y,comp,req_comp); +} +#endif + +stbi_uc *stbi_bmp_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) +{ + stbi s; + start_mem(&s, buffer, len); + return bmp_load(&s, x,y,comp,req_comp); +} + +// Targa Truevision - TGA +// by Jonathan Dummer + +static int tga_test(stbi *s) +{ + int sz; + get8u(s); // discard Offset + sz = get8u(s); // color type + if( sz > 1 ) return 0; // only RGB or indexed allowed + sz = get8u(s); // image type + if( (sz != 1) && (sz != 2) && (sz != 3) && (sz != 9) && (sz != 10) && (sz != 11) ) return 0; // only RGB or grey allowed, +/- RLE + get16(s); // discard palette start + get16(s); // discard palette length + get8(s); // discard bits per palette color entry + get16(s); // discard x origin + get16(s); // discard y origin + if( get16(s) < 1 ) return 0; // test width + if( get16(s) < 1 ) return 0; // test height + sz = get8(s); // bits per pixel + if( (sz != 8) && (sz != 16) && (sz != 24) && (sz != 32) ) return 0; // only RGB or RGBA or grey allowed + return 1; // seems to have passed everything +} + +#ifndef STBI_NO_STDIO +int stbi_tga_test_file (FILE *f) +{ + stbi s; + int r,n = ftell(f); + start_file(&s, f); + r = tga_test(&s); + fseek(f,n,SEEK_SET); + return r; +} +#endif + +int stbi_tga_test_memory (stbi_uc const *buffer, int len) +{ + stbi s; + start_mem(&s, buffer, len); + return tga_test(&s); +} + +static stbi_uc *tga_load(stbi *s, int *x, int *y, int *comp, int req_comp) +{ + // read in the TGA header stuff + int tga_offset = get8u(s); + int tga_indexed = get8u(s); + int tga_image_type = get8u(s); + int tga_is_RLE = 0; + int tga_palette_start = get16le(s); + int tga_palette_len = get16le(s); + int tga_palette_bits = get8u(s); + int tga_x_origin = get16le(s); + int tga_y_origin = get16le(s); + int tga_width = get16le(s); + int tga_height = get16le(s); + int tga_bits_per_pixel = get8u(s); + int tga_inverted = get8u(s); + // image data + unsigned char *tga_data; + unsigned char *tga_palette = NULL; + int i, j; + unsigned char raw_data[4]; + unsigned char trans_data[4]; + int RLE_count = 0; + int RLE_repeating = 0; + int read_next_pixel = 1; + // do a tiny bit of precessing + if( tga_image_type >= 8 ) + { + tga_image_type -= 8; + tga_is_RLE = 1; + } + /* int tga_alpha_bits = tga_inverted & 15; */ + tga_inverted = 1 - ((tga_inverted >> 5) & 1); + + // error check + if( //(tga_indexed) || + (tga_width < 1) || (tga_height < 1) || + (tga_image_type < 1) || (tga_image_type > 3) || + ((tga_bits_per_pixel != 8) && (tga_bits_per_pixel != 16) && + (tga_bits_per_pixel != 24) && (tga_bits_per_pixel != 32)) + ) + { + return NULL; + } + + // If I'm paletted, then I'll use the number of bits from the palette + if( tga_indexed ) + { + tga_bits_per_pixel = tga_palette_bits; + } + + // tga info + *x = tga_width; + *y = tga_height; + if( (req_comp < 1) || (req_comp > 4) ) + { + // just use whatever the file was + req_comp = tga_bits_per_pixel / 8; + *comp = req_comp; + } else + { + // force a new number of components + *comp = tga_bits_per_pixel/8; + } + tga_data = (unsigned char*)malloc( tga_width * tga_height * req_comp ); + + // skip to the data's starting position (offset usually = 0) + skip(s, tga_offset ); + // do I need to load a palette? + if( tga_indexed ) + { + // any data to skip? (offset usually = 0) + skip(s, tga_palette_start ); + // load the palette + tga_palette = (unsigned char*)malloc( tga_palette_len * tga_palette_bits / 8 ); + getn(s, tga_palette, tga_palette_len * tga_palette_bits / 8 ); + } + // load the data + for( i = 0; i < tga_width * tga_height; ++i ) + { + // if I'm in RLE mode, do I need to get a RLE chunk? + if( tga_is_RLE ) + { + if( RLE_count == 0 ) + { + // yep, get the next byte as a RLE command + int RLE_cmd = get8u(s); + RLE_count = 1 + (RLE_cmd & 127); + RLE_repeating = RLE_cmd >> 7; + read_next_pixel = 1; + } else if( !RLE_repeating ) + { + read_next_pixel = 1; + } + } else + { + read_next_pixel = 1; + } + // OK, if I need to read a pixel, do it now + if( read_next_pixel ) + { + // load however much data we did have + if( tga_indexed ) + { + // read in 1 byte, then perform the lookup + int pal_idx = get8u(s); + if( pal_idx >= tga_palette_len ) + { + // invalid index + pal_idx = 0; + } + pal_idx *= tga_bits_per_pixel / 8; + for( j = 0; j*8 < tga_bits_per_pixel; ++j ) + { + raw_data[j] = tga_palette[pal_idx+j]; + } + } else + { + // read in the data raw + for( j = 0; j*8 < tga_bits_per_pixel; ++j ) + { + raw_data[j] = get8u(s); + } + } + // convert raw to the intermediate format + switch( tga_bits_per_pixel ) + { + case 8: + // Luminous => RGBA + trans_data[0] = raw_data[0]; + trans_data[1] = raw_data[0]; + trans_data[2] = raw_data[0]; + trans_data[3] = 255; + break; + case 16: + // Luminous,Alpha => RGBA + trans_data[0] = raw_data[0]; + trans_data[1] = raw_data[0]; + trans_data[2] = raw_data[0]; + trans_data[3] = raw_data[1]; + break; + case 24: + // BGR => RGBA + trans_data[0] = raw_data[2]; + trans_data[1] = raw_data[1]; + trans_data[2] = raw_data[0]; + trans_data[3] = 255; + break; + case 32: + // BGRA => RGBA + trans_data[0] = raw_data[2]; + trans_data[1] = raw_data[1]; + trans_data[2] = raw_data[0]; + trans_data[3] = raw_data[3]; + break; + default: + trans_data[0] = trans_data[1] = 0; + trans_data[2] = trans_data[3] = 0; + break; + } + // clear the reading flag for the next pixel + read_next_pixel = 0; + } // end of reading a pixel + // convert to final format + switch( req_comp ) + { + case 1: + // RGBA => Luminance + tga_data[i*req_comp+0] = compute_y(trans_data[0],trans_data[1],trans_data[2]); + break; + case 2: + // RGBA => Luminance,Alpha + tga_data[i*req_comp+0] = compute_y(trans_data[0],trans_data[1],trans_data[2]); + tga_data[i*req_comp+1] = trans_data[3]; + break; + case 3: + // RGBA => RGB + tga_data[i*req_comp+0] = trans_data[0]; + tga_data[i*req_comp+1] = trans_data[1]; + tga_data[i*req_comp+2] = trans_data[2]; + break; + case 4: + // RGBA => RGBA + tga_data[i*req_comp+0] = trans_data[0]; + tga_data[i*req_comp+1] = trans_data[1]; + tga_data[i*req_comp+2] = trans_data[2]; + tga_data[i*req_comp+3] = trans_data[3]; + break; + } + // in case we're in RLE mode, keep counting down + --RLE_count; + } + // do I need to invert the image? + if( tga_inverted ) + { + for( j = 0; j*2 < tga_height; ++j ) + { + int index1 = j * tga_width * req_comp; + int index2 = (tga_height - 1 - j) * tga_width * req_comp; + for( i = tga_width * req_comp; i > 0; --i ) + { + unsigned char temp = tga_data[index1]; + tga_data[index1] = tga_data[index2]; + tga_data[index2] = temp; + ++index1; + ++index2; + } + } + } + // clear my palette, if I had one + if( tga_palette != NULL ) + { + free( tga_palette ); + } + // the things I do to get rid of an error message, and yet keep + // Microsoft's C compilers happy... [8^( + tga_palette_start = tga_palette_len = tga_palette_bits = + tga_x_origin = tga_y_origin = 0; + // OK, done + return tga_data; +} + +#ifndef STBI_NO_STDIO +stbi_uc *stbi_tga_load (char const *filename, int *x, int *y, int *comp, int req_comp) +{ + stbi_uc *data; + FILE *f = fopen(filename, "rb"); + if (!f) return NULL; + data = stbi_tga_load_from_file(f, x,y,comp,req_comp); + fclose(f); + return data; +} + +stbi_uc *stbi_tga_load_from_file (FILE *f, int *x, int *y, int *comp, int req_comp) +{ + stbi s; + start_file(&s, f); + return tga_load(&s, x,y,comp,req_comp); +} +#endif + +stbi_uc *stbi_tga_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) +{ + stbi s; + start_mem(&s, buffer, len); + return tga_load(&s, x,y,comp,req_comp); +} + + +// ************************************************************************************************* +// Photoshop PSD loader -- PD by Thatcher Ulrich, integration by Nicholas Schulz, tweaked by STB + +static int psd_test(stbi *s) +{ + if (get32(s) != 0x38425053) return 0; // "8BPS" + else return 1; +} + +#ifndef STBI_NO_STDIO +int stbi_psd_test_file(FILE *f) +{ + stbi s; + int r,n = ftell(f); + start_file(&s, f); + r = psd_test(&s); + fseek(f,n,SEEK_SET); + return r; +} +#endif + +int stbi_psd_test_memory(stbi_uc const *buffer, int len) +{ + stbi s; + start_mem(&s, buffer, len); + return psd_test(&s); +} + +static stbi_uc *psd_load(stbi *s, int *x, int *y, int *comp, int req_comp) +{ + int pixelCount; + int channelCount, compression; + int channel, i, count, len; + int w,h; + uint8_t *out; + + // Check identifier + if (get32(s) != 0x38425053) // "8BPS" + return epuc("not PSD", "Corrupt PSD image"); + + // Check file type version. + if (get16(s) != 1) + return epuc("wrong version", "Unsupported version of PSD image"); + + // Skip 6 reserved bytes. + skip(s, 6 ); + + // Read the number of channels (R, G, B, A, etc). + channelCount = get16(s); + if (channelCount < 0 || channelCount > 16) + return epuc("wrong channel count", "Unsupported number of channels in PSD image"); + + // Read the rows and columns of the image. + h = get32(s); + w = get32(s); + + // Make sure the depth is 8 bits. + if (get16(s) != 8) + return epuc("unsupported bit depth", "PSD bit depth is not 8 bit"); + + // Make sure the color mode is RGB. + // Valid options are: + // 0: Bitmap + // 1: Grayscale + // 2: Indexed color + // 3: RGB color + // 4: CMYK color + // 7: Multichannel + // 8: Duotone + // 9: Lab color + if (get16(s) != 3) + return epuc("wrong color format", "PSD is not in RGB color format"); + + // Skip the Mode Data. (It's the palette for indexed color; other info for other modes.) + skip(s,get32(s) ); + + // Skip the image resources. (resolution, pen tool paths, etc) + skip(s, get32(s) ); + + // Skip the reserved data. + skip(s, get32(s) ); + + // Find out if the data is compressed. + // Known values: + // 0: no compression + // 1: RLE compressed + compression = get16(s); + if (compression > 1) + return epuc("bad compression", "PSD has an unknown compression format"); + + // Create the destination image. + out = (stbi_uc *) malloc(4 * w*h); + if (!out) return epuc("outofmem", "Out of memory"); + pixelCount = w*h; + + // Initialize the data to zero. + //memset( out, 0, pixelCount * 4 ); + + // Finally, the image data. + if (compression) { + // RLE as used by .PSD and .TIFF + // Loop until you get the number of unpacked bytes you are expecting: + // Read the next source byte into n. + // If n is between 0 and 127 inclusive, copy the next n+1 bytes literally. + // Else if n is between -127 and -1 inclusive, copy the next byte -n+1 times. + // Else if n is 128, noop. + // Endloop + + // The RLE-compressed data is preceeded by a 2-byte data count for each row in the data, + // which we're going to just skip. + skip(s, h * channelCount * 2 ); + + // Read the RLE data by channel. + for (channel = 0; channel < 4; channel++) { + uint8_t *p; + + p = out+channel; + if (channel >= channelCount) { + // Fill this channel with default data. + for (i = 0; i < pixelCount; i++) *p = (channel == 3 ? 255 : 0), p += 4; + } else { + // Read the RLE data. + count = 0; + while (count < pixelCount) { + len = get8(s); + if (len == 128) { + // No-op. + } else if (len < 128) { + // Copy next len+1 bytes literally. + len++; + count += len; + while (len) { + *p = get8(s); + p += 4; + len--; + } + } else if (len > 128) { + uint32_t val; + // Next -len+1 bytes in the dest are replicated from next source byte. + // (Interpret len as a negative 8-bit int.) + len ^= 0x0FF; + len += 2; + val = get8(s); + count += len; + while (len) { + *p = val; + p += 4; + len--; + } + } + } + } + } + + } else { + // We're at the raw image data. It's each channel in order (Red, Green, Blue, Alpha, ...) + // where each channel consists of an 8-bit value for each pixel in the image. + + // Read the data by channel. + for (channel = 0; channel < 4; channel++) { + uint8_t *p; + + p = out + channel; + if (channel > channelCount) { + // Fill this channel with default data. + for (i = 0; i < pixelCount; i++) *p = channel == 3 ? 255 : 0, p += 4; + } else { + // Read the data. + count = 0; + for (i = 0; i < pixelCount; i++) + *p = get8(s), p += 4; + } + } + } + + if (req_comp && req_comp != 4) { + out = convert_format(out, 4, req_comp, w, h); + if (out == NULL) return out; // convert_format frees input on failure + } + + if (comp) *comp = channelCount; + *y = h; + *x = w; + + return out; +} + +#ifndef STBI_NO_STDIO +stbi_uc *stbi_psd_load(char const *filename, int *x, int *y, int *comp, int req_comp) +{ + stbi_uc *data; + FILE *f = fopen(filename, "rb"); + if (!f) return NULL; + data = stbi_psd_load_from_file(f, x,y,comp,req_comp); + fclose(f); + return data; +} + +stbi_uc *stbi_psd_load_from_file(FILE *f, int *x, int *y, int *comp, int req_comp) +{ + stbi s; + start_file(&s, f); + return psd_load(&s, x,y,comp,req_comp); +} +#endif + +stbi_uc *stbi_psd_load_from_memory (stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) +{ + stbi s; + start_mem(&s, buffer, len); + return psd_load(&s, x,y,comp,req_comp); +} + + +// ************************************************************************************************* +// Radiance RGBE HDR loader +// originally by Nicolas Schulz +#ifndef STBI_NO_HDR +static int hdr_test(stbi *s) +{ + char *signature = "#?RADIANCE\n"; + int i; + for (i=0; signature[i]; ++i) + if (get8(s) != signature[i]) + return 0; + return 1; +} + +int stbi_hdr_test_memory(stbi_uc const *buffer, int len) +{ + stbi s; + start_mem(&s, buffer, len); + return hdr_test(&s); +} + +#ifndef STBI_NO_STDIO +int stbi_hdr_test_file(FILE *f) +{ + stbi s; + int r,n = ftell(f); + start_file(&s, f); + r = hdr_test(&s); + fseek(f,n,SEEK_SET); + return r; +} +#endif + +#define HDR_BUFLEN 1024 +static char *hdr_gettoken(stbi *z, char *buffer) +{ + int len=0; + char c = '\2'; + + c = get8(z); + + while (!at_eof(z) && c != '\n') { + buffer[len++] = c; + if (len == HDR_BUFLEN-1) { + // flush to end of line + while (!at_eof(z) && get8(z) != '\n') + ; + break; + } + c = get8(z); + } + + buffer[len] = 0; + return buffer; +} + +static void hdr_convert(float *output, stbi_uc *input, int req_comp) +{ + if( input[3] != 0 ) { + float f1; + // Exponent + f1 = (float) ldexp(1.0f, input[3] - (int)(128 + 8)); + if (req_comp <= 2) + output[0] = (input[0] + input[1] + input[2]) * f1 / 3; + else { + output[0] = input[0] * f1; + output[1] = input[1] * f1; + output[2] = input[2] * f1; + } + if (req_comp == 2) output[1] = 1; + if (req_comp == 4) output[3] = 1; + } else { + switch (req_comp) { + case 4: output[3] = 1; /* fallthrough */ + case 3: output[0] = output[1] = output[2] = 0; + break; + case 2: output[1] = 1; /* fallthrough */ + case 1: output[0] = 0; + break; + } + } +} + + +static float *hdr_load(stbi *s, int *x, int *y, int *comp, int req_comp) +{ + char buffer[HDR_BUFLEN]; + char *token; + int valid = 0; + int width, height; + stbi_uc *scanline; + float *hdr_data; + int len; + unsigned char count, value; + int i, j, k, c1,c2, z; + + + // Check identifier + if (strcmp(hdr_gettoken(s,buffer), "#?RADIANCE") != 0) + return epf("not HDR", "Corrupt HDR image"); + + // Parse header + while(1) { + token = hdr_gettoken(s,buffer); + if (token[0] == 0) break; + if (strcmp(token, "FORMAT=32-bit_rle_rgbe") == 0) valid = 1; + } + + if (!valid) return epf("unsupported format", "Unsupported HDR format"); + + // Parse width and height + // can't use sscanf() if we're not using stdio! + token = hdr_gettoken(s,buffer); + if (strncmp(token, "-Y ", 3)) return epf("unsupported data layout", "Unsupported HDR format"); + token += 3; + height = strtol(token, &token, 10); + while (*token == ' ') ++token; + if (strncmp(token, "+X ", 3)) return epf("unsupported data layout", "Unsupported HDR format"); + token += 3; + width = strtol(token, NULL, 10); + + *x = width; + *y = height; + + *comp = 3; + if (req_comp == 0) req_comp = 3; + + // Read data + hdr_data = (float *) malloc(height * width * req_comp * sizeof(float)); + + // Load image data + // image data is stored as some number of sca + if( width < 8 || width >= 32768) { + // Read flat data + for (j=0; j < height; ++j) { + for (i=0; i < width; ++i) { + stbi_uc rgbe[4]; + main_decode_loop: + getn(s, rgbe, 4); + hdr_convert(hdr_data + j * width * req_comp + i * req_comp, rgbe, req_comp); + } + } + } else { + // Read RLE-encoded data + scanline = NULL; + + for (j = 0; j < height; ++j) { + c1 = get8(s); + c2 = get8(s); + len = get8(s); + if (c1 != 2 || c2 != 2 || (len & 0x80)) { + // not run-length encoded, so we have to actually use THIS data as a decoded + // pixel (note this can't be a valid pixel--one of RGB must be >= 128) + stbi_uc rgbe[4] = { c1,c2,len, get8(s) }; + hdr_convert(hdr_data, rgbe, req_comp); + i = 1; + j = 0; + free(scanline); + goto main_decode_loop; // yes, this is fucking insane; blame the fucking insane format + } + len <<= 8; + len |= get8(s); + if (len != width) { free(hdr_data); free(scanline); return epf("invalid decoded scanline length", "corrupt HDR"); } + if (scanline == NULL) scanline = (stbi_uc *) malloc(width * 4); + + for (k = 0; k < 4; ++k) { + i = 0; + while (i < width) { + count = get8(s); + if (count > 128) { + // Run + value = get8(s); + count -= 128; + for (z = 0; z < count; ++z) + scanline[i++ * 4 + k] = value; + } else { + // Dump + for (z = 0; z < count; ++z) + scanline[i++ * 4 + k] = get8(s); + } + } + } + for (i=0; i < width; ++i) + hdr_convert(hdr_data+(j*width + i)*req_comp, scanline + i*4, req_comp); + } + free(scanline); + } + + return hdr_data; +} + +#ifndef STBI_NO_STDIO +float *stbi_hdr_load_from_file(FILE *f, int *x, int *y, int *comp, int req_comp) +{ + stbi s; + start_file(&s,f); + return hdr_load(&s,x,y,comp,req_comp); +} +#endif + +float *stbi_hdr_load_from_memory(stbi_uc const *buffer, int len, int *x, int *y, int *comp, int req_comp) +{ + stbi s; + start_mem(&s,buffer, len); + return hdr_load(&s,x,y,comp,req_comp); +} + +#endif // STBI_NO_HDR + +/////////////////////// write image /////////////////////// + +#ifndef STBI_NO_WRITE + +static void write8(FILE *f, int x) { uint8_t z = (uint8_t) x; fwrite(&z,1,1,f); } + +static void writefv(FILE *f, char *fmt, va_list v) +{ + while (*fmt) { + switch (*fmt++) { + case ' ': break; + case '1': { uint8_t x = va_arg(v, int); write8(f,x); break; } + case '2': { int16_t x = va_arg(v, int); write8(f,x); write8(f,x>>8); break; } + case '4': { int32_t x = va_arg(v, int); write8(f,x); write8(f,x>>8); write8(f,x>>16); write8(f,x>>24); break; } + default: + assert(0); + va_end(v); + return; + } + } +} + +static void writef(FILE *f, char *fmt, ...) +{ + va_list v; + va_start(v, fmt); + writefv(f,fmt,v); + va_end(v); +} + +static void write_pixels(FILE *f, int rgb_dir, int vdir, int x, int y, int comp, void *data, int write_alpha, int scanline_pad) +{ + uint8_t bg[3] = { 255, 0, 255}, px[3]; + uint32_t zero = 0; + int i,j,k, j_end; + + if (vdir < 0) + j_end = -1, j = y-1; + else + j_end = y, j = 0; + + for (; j != j_end; j += vdir) { + for (i=0; i < x; ++i) { + uint8_t *d = (uint8_t *) data + (j*x+i)*comp; + if (write_alpha < 0) + fwrite(&d[comp-1], 1, 1, f); + switch (comp) { + case 1: + case 2: writef(f, "111", d[0],d[0],d[0]); + break; + case 4: + if (!write_alpha) { + for (k=0; k < 3; ++k) + px[k] = bg[k] + ((d[k] - bg[k]) * d[3])/255; + writef(f, "111", px[1-rgb_dir],px[1],px[1+rgb_dir]); + break; + } + /* FALLTHROUGH */ + case 3: + writef(f, "111", d[1-rgb_dir],d[1],d[1+rgb_dir]); + break; + } + if (write_alpha > 0) + fwrite(&d[comp-1], 1, 1, f); + } + fwrite(&zero,scanline_pad,1,f); + } +} + +static int outfile(char const *filename, int rgb_dir, int vdir, int x, int y, int comp, void *data, int alpha, int pad, char *fmt, ...) +{ + FILE *f = fopen(filename, "wb"); + if (f) { + va_list v; + va_start(v, fmt); + writefv(f, fmt, v); + va_end(v); + write_pixels(f,rgb_dir,vdir,x,y,comp,data,alpha,pad); + fclose(f); + } + return f != NULL; +} + +int stbi_write_bmp(char const *filename, int x, int y, int comp, void *data) +{ + int pad = (-x*3) & 3; + return outfile(filename,-1,-1,x,y,comp,data,0,pad, + "11 4 22 4" "4 44 22 444444", + 'B', 'M', 14+40+(x*3+pad)*y, 0,0, 14+40, // file header + 40, x,y, 1,24, 0,0,0,0,0,0); // bitmap header +} + +int stbi_write_tga(char const *filename, int x, int y, int comp, void *data) +{ + int has_alpha = !(comp & 1); + return outfile(filename, -1,-1, x, y, comp, data, has_alpha, 0, + "111 221 2222 11", 0,0,2, 0,0,0, 0,0,x,y, 24+8*has_alpha, 8*has_alpha); +} + +// any other image formats that do interleaved rgb data? +// PNG: requires adler32,crc32 -- significant amount of code +// PSD: no, channels output separately +// TIFF: no, stripwise-interleaved... i think + +#endif // STBI_NO_WRITE + +#endif // STBI_HEADER_FILE_ONLY + diff --git a/cogl/winsys/cogl-texture-pixmap-x11-private.h b/cogl/winsys/cogl-texture-pixmap-x11-private.h new file mode 100644 index 0000000..948e67b --- /dev/null +++ b/cogl/winsys/cogl-texture-pixmap-x11-private.h @@ -0,0 +1,85 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_TEXTURE_PIXMAP_X11_PRIVATE_H +#define __COGL_TEXTURE_PIXMAP_X11_PRIVATE_H + +#include +#include +#include + +#include + +#ifdef COGL_HAS_GLX_SUPPORT +#include +#endif + +#include "cogl-object-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-pixmap-x11.h" + +typedef struct _CoglDamageRectangle CoglDamageRectangle; + +struct _CoglDamageRectangle +{ + unsigned int x1; + unsigned int y1; + unsigned int x2; + unsigned int y2; +}; + +struct _CoglTexturePixmapX11 +{ + CoglTexture _parent; + + Pixmap pixmap; + CoglTexture *tex; + + unsigned int depth; + Visual *visual; + + XImage *image; + + XShmSegmentInfo shm_info; + + Damage damage; + CoglTexturePixmapX11ReportLevel damage_report_level; + CoglBool damage_owned; + CoglDamageRectangle damage_rect; + + void *winsys; + + /* During the pre_paint method, this will be set to TRUE if we + should use the winsys texture, otherwise we will use the regular + texture */ + CoglBool use_winsys_texture; +}; + +#endif /* __COGL_TEXTURE_PIXMAP_X11_PRIVATE_H */ diff --git a/cogl/winsys/cogl-texture-pixmap-x11.c b/cogl/winsys/cogl-texture-pixmap-x11.c new file mode 100644 index 0000000..6c1edeb --- /dev/null +++ b/cogl/winsys/cogl-texture-pixmap-x11.c @@ -0,0 +1,1101 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * + * Authors: + * Neil Roberts + * Johan Bilien + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-debug.h" +#include "cogl-util.h" +#include "cogl-texture-pixmap-x11.h" +#include "cogl-texture-pixmap-x11-private.h" +#include "cogl-bitmap-private.h" +#include "cogl-texture-private.h" +#include "cogl-texture-driver.h" +#include "cogl-texture-2d-private.h" +#include "cogl-texture-2d-sliced.h" +#include "cogl-texture-rectangle-private.h" +#include "cogl-context-private.h" +#include "cogl-display-private.h" +#include "cogl-renderer-private.h" +#include "cogl-object-private.h" +#include "cogl-winsys-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-xlib.h" +#include "cogl-error-private.h" +#include "cogl-texture-gl-private.h" +#include "cogl-private.h" +#include "cogl-gtype-private.h" + +#include +#include + +#include +#include +#include + +#include +#include + +static void _cogl_texture_pixmap_x11_free (CoglTexturePixmapX11 *tex_pixmap); + +COGL_TEXTURE_DEFINE (TexturePixmapX11, texture_pixmap_x11); +COGL_GTYPE_DEFINE_CLASS (TexturePixmapX11, texture_pixmap_x11); + +static const CoglTextureVtable cogl_texture_pixmap_x11_vtable; + +uint32_t +cogl_texture_pixmap_x11_error_quark (void) +{ + return g_quark_from_static_string ("cogl-texture-pixmap-error-quark"); +} + +static void +cogl_damage_rectangle_union (CoglDamageRectangle *damage_rect, + int x, + int y, + int width, + int height) +{ + /* If the damage region is empty then we'll just copy the new + rectangle directly */ + if (damage_rect->x1 == damage_rect->x2 || + damage_rect->y1 == damage_rect->y2) + { + damage_rect->x1 = x; + damage_rect->y1 = y; + damage_rect->x2 = x + width; + damage_rect->y2 = y + height; + } + else + { + if (damage_rect->x1 > x) + damage_rect->x1 = x; + if (damage_rect->y1 > y) + damage_rect->y1 = y; + if (damage_rect->x2 < x + width) + damage_rect->x2 = x + width; + if (damage_rect->y2 < y + height) + damage_rect->y2 = y + height; + } +} + +static CoglBool +cogl_damage_rectangle_is_whole (const CoglDamageRectangle *damage_rect, + unsigned int width, + unsigned int height) +{ + return (damage_rect->x1 == 0 && damage_rect->y1 == 0 + && damage_rect->x2 == width && damage_rect->y2 == height); +} + +static const CoglWinsysVtable * +_cogl_texture_pixmap_x11_get_winsys (CoglTexturePixmapX11 *tex_pixmap) +{ + /* FIXME: A CoglContext should be reachable from a CoglTexture + * pointer */ + _COGL_GET_CONTEXT (ctx, NULL); + + return ctx->display->renderer->winsys_vtable; +} + +static void +process_damage_event (CoglTexturePixmapX11 *tex_pixmap, + XDamageNotifyEvent *damage_event) +{ + CoglTexture *tex = COGL_TEXTURE (tex_pixmap); + Display *display; + enum { DO_NOTHING, NEEDS_SUBTRACT, NEED_BOUNDING_BOX } handle_mode; + const CoglWinsysVtable *winsys; + + _COGL_GET_CONTEXT (ctxt, NO_RETVAL); + + display = cogl_xlib_renderer_get_display (ctxt->display->renderer); + + COGL_NOTE (TEXTURE_PIXMAP, "Damage event received for %p", tex_pixmap); + + switch (tex_pixmap->damage_report_level) + { + case COGL_TEXTURE_PIXMAP_X11_DAMAGE_RAW_RECTANGLES: + /* For raw rectangles we don't need do look at the damage region + at all because the damage area is directly given in the event + struct and the reporting of events is not affected by + clearing the damage region */ + handle_mode = DO_NOTHING; + break; + + case COGL_TEXTURE_PIXMAP_X11_DAMAGE_DELTA_RECTANGLES: + case COGL_TEXTURE_PIXMAP_X11_DAMAGE_NON_EMPTY: + /* For delta rectangles and non empty we'll query the damage + region for the bounding box */ + handle_mode = NEED_BOUNDING_BOX; + break; + + case COGL_TEXTURE_PIXMAP_X11_DAMAGE_BOUNDING_BOX: + /* For bounding box we need to clear the damage region but we + don't actually care what it was because the damage event + itself contains the bounding box of the region */ + handle_mode = NEEDS_SUBTRACT; + break; + + default: + g_assert_not_reached (); + } + + /* If the damage already covers the whole rectangle then we don't + need to request the bounding box of the region because we're + going to update the whole texture anyway. */ + if (cogl_damage_rectangle_is_whole (&tex_pixmap->damage_rect, + tex->width, + tex->height)) + { + if (handle_mode != DO_NOTHING) + XDamageSubtract (display, tex_pixmap->damage, None, None); + } + else if (handle_mode == NEED_BOUNDING_BOX) + { + XserverRegion parts; + int r_count; + XRectangle r_bounds; + XRectangle *r_damage; + + /* We need to extract the damage region so we can get the + bounding box */ + + parts = XFixesCreateRegion (display, 0, 0); + XDamageSubtract (display, tex_pixmap->damage, None, parts); + r_damage = XFixesFetchRegionAndBounds (display, + parts, + &r_count, + &r_bounds); + cogl_damage_rectangle_union (&tex_pixmap->damage_rect, + r_bounds.x, + r_bounds.y, + r_bounds.width, + r_bounds.height); + if (r_damage) + XFree (r_damage); + + XFixesDestroyRegion (display, parts); + } + else + { + if (handle_mode == NEEDS_SUBTRACT) + /* We still need to subtract from the damage region but we + don't care what the region actually was */ + XDamageSubtract (display, tex_pixmap->damage, None, None); + + cogl_damage_rectangle_union (&tex_pixmap->damage_rect, + damage_event->area.x, + damage_event->area.y, + damage_event->area.width, + damage_event->area.height); + } + + if (tex_pixmap->winsys) + { + /* If we're using the texture from pixmap extension then there's no + point in getting the region and we can just mark that the texture + needs updating */ + winsys = _cogl_texture_pixmap_x11_get_winsys (tex_pixmap); + winsys->texture_pixmap_x11_damage_notify (tex_pixmap); + } +} + +static CoglFilterReturn +_cogl_texture_pixmap_x11_filter (XEvent *event, void *data) +{ + CoglTexturePixmapX11 *tex_pixmap = data; + int damage_base; + + _COGL_GET_CONTEXT (ctxt, COGL_FILTER_CONTINUE); + + damage_base = _cogl_xlib_get_damage_base (); + if (event->type == damage_base + XDamageNotify) + { + XDamageNotifyEvent *damage_event = (XDamageNotifyEvent *) event; + + if (damage_event->damage == tex_pixmap->damage) + process_damage_event (tex_pixmap, damage_event); + } + + return COGL_FILTER_CONTINUE; +} + +static void +set_damage_object_internal (CoglContext *ctx, + CoglTexturePixmapX11 *tex_pixmap, + Damage damage, + CoglTexturePixmapX11ReportLevel report_level) +{ + Display *display = cogl_xlib_renderer_get_display (ctx->display->renderer); + + if (tex_pixmap->damage) + { + cogl_xlib_renderer_remove_filter (ctx->display->renderer, + _cogl_texture_pixmap_x11_filter, + tex_pixmap); + + if (tex_pixmap->damage_owned) + { + XDamageDestroy (display, tex_pixmap->damage); + tex_pixmap->damage_owned = FALSE; + } + } + + tex_pixmap->damage = damage; + tex_pixmap->damage_report_level = report_level; + + if (damage) + cogl_xlib_renderer_add_filter (ctx->display->renderer, + _cogl_texture_pixmap_x11_filter, + tex_pixmap); +} + +CoglTexturePixmapX11 * +cogl_texture_pixmap_x11_new (CoglContext *ctxt, + uint32_t pixmap, + CoglBool automatic_updates, + CoglError **error) +{ + CoglTexturePixmapX11 *tex_pixmap = g_new (CoglTexturePixmapX11, 1); + Display *display = cogl_xlib_renderer_get_display (ctxt->display->renderer); + Window pixmap_root_window; + int pixmap_x, pixmap_y; + unsigned int pixmap_width, pixmap_height; + unsigned int pixmap_border_width; + CoglPixelFormat internal_format; + CoglTexture *tex = COGL_TEXTURE (tex_pixmap); + XWindowAttributes window_attributes; + int damage_base; + const CoglWinsysVtable *winsys; + + if (!XGetGeometry (display, pixmap, &pixmap_root_window, + &pixmap_x, &pixmap_y, + &pixmap_width, &pixmap_height, + &pixmap_border_width, &tex_pixmap->depth)) + { + g_free (tex_pixmap); + _cogl_set_error (error, + COGL_TEXTURE_PIXMAP_X11_ERROR, + COGL_TEXTURE_PIXMAP_X11_ERROR_X11, + "Unable to query pixmap size"); + return NULL; + } + + /* Note: the detailed pixel layout doesn't matter here, we are just + * interested in RGB vs RGBA... */ + internal_format = (tex_pixmap->depth >= 32 + ? COGL_PIXEL_FORMAT_RGBA_8888_PRE + : COGL_PIXEL_FORMAT_RGB_888); + + _cogl_texture_init (tex, ctxt, pixmap_width, pixmap_height, + internal_format, + NULL, /* no loader */ + &cogl_texture_pixmap_x11_vtable); + + tex_pixmap->pixmap = pixmap; + tex_pixmap->image = NULL; + tex_pixmap->shm_info.shmid = -1; + tex_pixmap->tex = NULL; + tex_pixmap->damage_owned = FALSE; + tex_pixmap->damage = 0; + + /* We need a visual to use for shared memory images so we'll query + it from the pixmap's root window */ + if (!XGetWindowAttributes (display, pixmap_root_window, &window_attributes)) + { + g_free (tex_pixmap); + _cogl_set_error (error, + COGL_TEXTURE_PIXMAP_X11_ERROR, + COGL_TEXTURE_PIXMAP_X11_ERROR_X11, + "Unable to query root window attributes"); + return NULL; + } + + tex_pixmap->visual = window_attributes.visual; + + /* If automatic updates are requested and the Xlib connection + supports damage events then we'll register a damage object on the + pixmap */ + damage_base = _cogl_xlib_get_damage_base (); + if (automatic_updates && damage_base >= 0) + { + Damage damage = XDamageCreate (display, + pixmap, + XDamageReportBoundingBox); + set_damage_object_internal (ctxt, + tex_pixmap, + damage, + COGL_TEXTURE_PIXMAP_X11_DAMAGE_BOUNDING_BOX); + tex_pixmap->damage_owned = TRUE; + } + + /* Assume the entire pixmap is damaged to begin with */ + tex_pixmap->damage_rect.x1 = 0; + tex_pixmap->damage_rect.x2 = pixmap_width; + tex_pixmap->damage_rect.y1 = 0; + tex_pixmap->damage_rect.y2 = pixmap_height; + + winsys = _cogl_texture_pixmap_x11_get_winsys (tex_pixmap); + if (winsys->texture_pixmap_x11_create) + { + tex_pixmap->use_winsys_texture = + winsys->texture_pixmap_x11_create (tex_pixmap); + } + else + tex_pixmap->use_winsys_texture = FALSE; + + if (!tex_pixmap->use_winsys_texture) + tex_pixmap->winsys = NULL; + + _cogl_texture_set_allocated (tex, internal_format, + pixmap_width, pixmap_height); + + return _cogl_texture_pixmap_x11_object_new (tex_pixmap); +} + +static CoglBool +_cogl_texture_pixmap_x11_allocate (CoglTexture *tex, + CoglError **error) +{ + return TRUE; +} + +/* Tries to allocate enough shared mem to handle a full size + * update size of the X Pixmap. */ +static void +try_alloc_shm (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexture *tex = COGL_TEXTURE (tex_pixmap); + XImage *dummy_image; + Display *display; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + display = cogl_xlib_renderer_get_display (ctx->display->renderer); + + if (!XShmQueryExtension (display)) + return; + + /* We are creating a dummy_image so we can have Xlib calculate + * image->bytes_per_line - including any magic padding it may + * want - for the largest possible ximage we might need to use + * when handling updates to the texture. + * + * Note: we pass a NULL shminfo here, but that has no bearing + * on the setup of the XImage, except that ximage->obdata will + * == NULL. + */ + dummy_image = + XShmCreateImage (display, + tex_pixmap->visual, + tex_pixmap->depth, + ZPixmap, + NULL, + NULL, /* shminfo, */ + tex->width, + tex->height); + if (!dummy_image) + goto failed_image_create; + + tex_pixmap->shm_info.shmid = shmget (IPC_PRIVATE, + dummy_image->bytes_per_line + * dummy_image->height, + IPC_CREAT | 0777); + if (tex_pixmap->shm_info.shmid == -1) + goto failed_shmget; + + tex_pixmap->shm_info.shmaddr = shmat (tex_pixmap->shm_info.shmid, 0, 0); + if (tex_pixmap->shm_info.shmaddr == (void *) -1) + goto failed_shmat; + + tex_pixmap->shm_info.readOnly = False; + + if (XShmAttach (display, &tex_pixmap->shm_info) == 0) + goto failed_xshmattach; + + XDestroyImage (dummy_image); + + return; + + failed_xshmattach: + g_warning ("XShmAttach failed"); + shmdt (tex_pixmap->shm_info.shmaddr); + + failed_shmat: + g_warning ("shmat failed"); + shmctl (tex_pixmap->shm_info.shmid, IPC_RMID, 0); + + failed_shmget: + g_warning ("shmget failed"); + XDestroyImage (dummy_image); + + failed_image_create: + tex_pixmap->shm_info.shmid = -1; +} + +void +cogl_texture_pixmap_x11_update_area (CoglTexturePixmapX11 *tex_pixmap, + int x, + int y, + int width, + int height) +{ + /* We'll queue the update for both the GLX texture and the regular + texture because we can't determine which will be needed until we + actually render something */ + + if (tex_pixmap->winsys) + { + const CoglWinsysVtable *winsys; + winsys = _cogl_texture_pixmap_x11_get_winsys (tex_pixmap); + winsys->texture_pixmap_x11_damage_notify (tex_pixmap); + } + + cogl_damage_rectangle_union (&tex_pixmap->damage_rect, + x, y, width, height); +} + +CoglBool +cogl_texture_pixmap_x11_is_using_tfp_extension (CoglTexturePixmapX11 *tex_pixmap) +{ + return !!tex_pixmap->winsys; +} + +void +cogl_texture_pixmap_x11_set_damage_object (CoglTexturePixmapX11 *tex_pixmap, + uint32_t damage, + CoglTexturePixmapX11ReportLevel + report_level) +{ + int damage_base; + + _COGL_GET_CONTEXT (ctxt, NO_RETVAL); + + damage_base = _cogl_xlib_get_damage_base (); + if (damage_base >= 0) + set_damage_object_internal (ctxt, tex_pixmap, damage, report_level); +} + +static CoglTexture * +create_fallback_texture (CoglContext *ctx, + int width, + int height, + CoglPixelFormat internal_format) +{ + CoglTexture *tex; + CoglError *skip_error = NULL; + + if ((_cogl_util_is_pot (width) && _cogl_util_is_pot (height)) || + (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) && + cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP))) + { + /* First try creating a fast-path non-sliced texture */ + tex = COGL_TEXTURE (cogl_texture_2d_new_with_size (ctx, + width, height)); + + _cogl_texture_set_internal_format (tex, internal_format); + + /* TODO: instead of allocating storage here it would be better + * if we had some api that let us just check that the size is + * supported by the hardware so storage could be allocated + * lazily when uploading data. */ + if (!cogl_texture_allocate (tex, &skip_error)) + { + cogl_error_free (skip_error); + cogl_object_unref (tex); + tex = NULL; + } + } + else + tex = NULL; + + if (!tex) + { + CoglTexture2DSliced *tex_2ds = + cogl_texture_2d_sliced_new_with_size (ctx, + width, + height, + COGL_TEXTURE_MAX_WASTE); + tex = COGL_TEXTURE (tex_2ds); + + _cogl_texture_set_internal_format (tex, internal_format); + } + + return tex; +} + +static void +_cogl_texture_pixmap_x11_update_image_texture (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexture *tex = COGL_TEXTURE (tex_pixmap); + Display *display; + Visual *visual; + CoglPixelFormat image_format; + XImage *image; + int src_x, src_y; + int x, y, width, height; + int bpp; + int offset; + CoglError *ignore = NULL; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + display = cogl_xlib_renderer_get_display (ctx->display->renderer); + visual = tex_pixmap->visual; + + /* If the damage region is empty then there's nothing to do */ + if (tex_pixmap->damage_rect.x2 == tex_pixmap->damage_rect.x1) + return; + + x = tex_pixmap->damage_rect.x1; + y = tex_pixmap->damage_rect.y1; + width = tex_pixmap->damage_rect.x2 - x; + height = tex_pixmap->damage_rect.y2 - y; + + /* We lazily create the texture the first time it is needed in case + this texture can be entirely handled using the GLX texture + instead */ + if (tex_pixmap->tex == NULL) + { + CoglPixelFormat texture_format; + + texture_format = (tex_pixmap->depth >= 32 + ? COGL_PIXEL_FORMAT_RGBA_8888_PRE + : COGL_PIXEL_FORMAT_RGB_888); + + tex_pixmap->tex = create_fallback_texture (ctx, + tex->width, + tex->height, + texture_format); + } + + if (tex_pixmap->image == NULL) + { + /* If we also haven't got a shm segment then this must be the + first time we've tried to update, so lets try allocating shm + first */ + if (tex_pixmap->shm_info.shmid == -1) + try_alloc_shm (tex_pixmap); + + if (tex_pixmap->shm_info.shmid == -1) + { + COGL_NOTE (TEXTURE_PIXMAP, "Updating %p using XGetImage", tex_pixmap); + + /* We'll fallback to using a regular XImage. We'll download + the entire area instead of a sub region because presumably + if this is the first update then the entire pixmap is + needed anyway and it saves trying to manually allocate an + XImage at the right size */ + tex_pixmap->image = XGetImage (display, + tex_pixmap->pixmap, + 0, 0, + tex->width, tex->height, + AllPlanes, ZPixmap); + image = tex_pixmap->image; + src_x = x; + src_y = y; + } + else + { + COGL_NOTE (TEXTURE_PIXMAP, "Updating %p using XShmGetImage", + tex_pixmap); + + /* Create a temporary image using the beginning of the + shared memory segment and the right size for the region + we want to update. We need to reallocate the XImage every + time because there is no XShmGetSubImage. */ + image = XShmCreateImage (display, + tex_pixmap->visual, + tex_pixmap->depth, + ZPixmap, + NULL, + &tex_pixmap->shm_info, + width, + height); + image->data = tex_pixmap->shm_info.shmaddr; + src_x = 0; + src_y = 0; + + XShmGetImage (display, tex_pixmap->pixmap, image, x, y, AllPlanes); + } + } + else + { + COGL_NOTE (TEXTURE_PIXMAP, "Updating %p using XGetSubImage", tex_pixmap); + + image = tex_pixmap->image; + src_x = x; + src_y = y; + + XGetSubImage (display, + tex_pixmap->pixmap, + x, y, width, height, + AllPlanes, ZPixmap, + image, + x, y); + } + + image_format = + _cogl_util_pixel_format_from_masks (visual->red_mask, + visual->green_mask, + visual->blue_mask, + image->depth, + image->bits_per_pixel, + image->byte_order == LSBFirst); + + bpp = _cogl_pixel_format_get_bytes_per_pixel (image_format); + offset = image->bytes_per_line * src_y + bpp * src_x; + + _cogl_texture_set_region (tex_pixmap->tex, + width, + height, + image_format, + image->bytes_per_line, + ((const uint8_t *) image->data) + offset, + x, y, + 0, /* level */ + &ignore); + + /* If we have a shared memory segment then the XImage would be a + temporary one with no data allocated so we can just XFree it */ + if (tex_pixmap->shm_info.shmid != -1) + XFree (image); + + memset (&tex_pixmap->damage_rect, 0, sizeof (CoglDamageRectangle)); +} + +static void +_cogl_texture_pixmap_x11_set_use_winsys_texture (CoglTexturePixmapX11 *tex_pixmap, + CoglBool new_value) +{ + if (tex_pixmap->use_winsys_texture != new_value) + { + /* Notify cogl-pipeline.c that the texture's underlying GL texture + * storage is changing so it knows it may need to bind a new texture + * if the CoglTexture is reused with the same texture unit. */ + _cogl_pipeline_texture_storage_change_notify (COGL_TEXTURE (tex_pixmap)); + + tex_pixmap->use_winsys_texture = new_value; + } +} + +static void +_cogl_texture_pixmap_x11_update (CoglTexturePixmapX11 *tex_pixmap, + CoglBool needs_mipmap) +{ + if (tex_pixmap->winsys) + { + const CoglWinsysVtable *winsys = + _cogl_texture_pixmap_x11_get_winsys (tex_pixmap); + + if (winsys->texture_pixmap_x11_update (tex_pixmap, needs_mipmap)) + { + _cogl_texture_pixmap_x11_set_use_winsys_texture (tex_pixmap, TRUE); + return; + } + } + + /* If it didn't work then fallback to using XGetImage. This may be + temporary */ + _cogl_texture_pixmap_x11_set_use_winsys_texture (tex_pixmap, FALSE); + + _cogl_texture_pixmap_x11_update_image_texture (tex_pixmap); +} + +static CoglTexture * +_cogl_texture_pixmap_x11_get_texture (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexture *tex; + int i; + + /* We try getting the texture twice, once without flushing the + updates and once with. If pre_paint has been called already then + we should have a good idea of which texture to use so we don't + want to mess with that by ensuring the updates. However, if we + couldn't find a texture then we'll just make a best guess by + flushing without expecting mipmap support and try again. This + would happen for example if an application calls + get_gl_texture before the first paint */ + + for (i = 0; i < 2; i++) + { + if (tex_pixmap->use_winsys_texture) + { + const CoglWinsysVtable *winsys = + _cogl_texture_pixmap_x11_get_winsys (tex_pixmap); + tex = winsys->texture_pixmap_x11_get_texture (tex_pixmap); + } + else + tex = tex_pixmap->tex; + + if (tex) + return tex; + + _cogl_texture_pixmap_x11_update (tex_pixmap, FALSE); + } + + g_assert_not_reached (); + + return NULL; +} + +static CoglBool +_cogl_texture_pixmap_x11_set_region (CoglTexture *tex, + int src_x, + int src_y, + int dst_x, + int dst_y, + int dst_width, + int dst_height, + int level, + CoglBitmap *bmp, + CoglError **error) +{ + /* This doesn't make much sense for texture from pixmap so it's not + supported */ + _cogl_set_error (error, + COGL_SYSTEM_ERROR, + COGL_SYSTEM_ERROR_UNSUPPORTED, + "Explicitly setting a region of a TFP texture unsupported"); + return FALSE; +} + +static CoglBool +_cogl_texture_pixmap_x11_get_data (CoglTexture *tex, + CoglPixelFormat format, + int rowstride, + uint8_t *data) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + return cogl_texture_get_data (child_tex, format, rowstride, data); +} + +typedef struct _NormalizeCoordsWrapperData +{ + int width; + int height; + CoglMetaTextureCallback callback; + void *user_data; +} NormalizeCoordsWrapperData; + +static void +normalize_coords_wrapper_cb (CoglTexture *child_texture, + const float *child_texture_coords, + const float *meta_coords, + void *user_data) +{ + NormalizeCoordsWrapperData *data = user_data; + float normalized_coords[4]; + + normalized_coords[0] = meta_coords[0] / data->width; + normalized_coords[1] = meta_coords[1] / data->height; + normalized_coords[2] = meta_coords[2] / data->width; + normalized_coords[3] = meta_coords[3] / data->height; + + data->callback (child_texture, + child_texture_coords, normalized_coords, + data->user_data); +} + +static void +_cogl_texture_pixmap_x11_foreach_sub_texture_in_region + (CoglTexture *tex, + float virtual_tx_1, + float virtual_ty_1, + float virtual_tx_2, + float virtual_ty_2, + CoglMetaTextureCallback callback, + void *user_data) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + + /* tfp textures may be implemented in terms of a + * CoglTextureRectangle texture which uses un-normalized texture + * coordinates but we want to consistently deal with normalized + * texture coordinates with CoglTexturePixmapX11... */ + if (cogl_is_texture_rectangle (child_tex)) + { + NormalizeCoordsWrapperData data; + int width = tex->width; + int height = tex->height; + + virtual_tx_1 *= width; + virtual_ty_1 *= height; + virtual_tx_2 *= width; + virtual_ty_2 *= height; + + data.width = width; + data.height = height; + data.callback = callback; + data.user_data = user_data; + + cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (child_tex), + virtual_tx_1, + virtual_ty_1, + virtual_tx_2, + virtual_ty_2, + COGL_PIPELINE_WRAP_MODE_REPEAT, + COGL_PIPELINE_WRAP_MODE_REPEAT, + normalize_coords_wrapper_cb, + &data); + } + else + cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (child_tex), + virtual_tx_1, + virtual_ty_1, + virtual_tx_2, + virtual_ty_2, + COGL_PIPELINE_WRAP_MODE_REPEAT, + COGL_PIPELINE_WRAP_MODE_REPEAT, + callback, + user_data); +} + +static int +_cogl_texture_pixmap_x11_get_max_waste (CoglTexture *tex) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + return cogl_texture_get_max_waste (child_tex); +} + +static CoglBool +_cogl_texture_pixmap_x11_is_sliced (CoglTexture *tex) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + return cogl_texture_is_sliced (child_tex); +} + +static CoglBool +_cogl_texture_pixmap_x11_can_hardware_repeat (CoglTexture *tex) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + return _cogl_texture_can_hardware_repeat (child_tex); +} + +static void +_cogl_texture_pixmap_x11_transform_coords_to_gl (CoglTexture *tex, + float *s, + float *t) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + _cogl_texture_transform_coords_to_gl (child_tex, s, t); +} + +static CoglTransformResult +_cogl_texture_pixmap_x11_transform_quad_coords_to_gl (CoglTexture *tex, + float *coords) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + return _cogl_texture_transform_quad_coords_to_gl (child_tex, coords); +} + +static CoglBool +_cogl_texture_pixmap_x11_get_gl_texture (CoglTexture *tex, + GLuint *out_gl_handle, + GLenum *out_gl_target) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + return cogl_texture_get_gl_texture (child_tex, + out_gl_handle, + out_gl_target); +} + +static void +_cogl_texture_pixmap_x11_gl_flush_legacy_texobj_filters (CoglTexture *tex, + GLenum min_filter, + GLenum mag_filter) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + _cogl_texture_gl_flush_legacy_texobj_filters (child_tex, + min_filter, mag_filter); +} + +static void +_cogl_texture_pixmap_x11_pre_paint (CoglTexture *tex, + CoglTexturePrePaintFlags flags) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex; + + _cogl_texture_pixmap_x11_update (tex_pixmap, + !!(flags & COGL_TEXTURE_NEEDS_MIPMAP)); + + child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + _cogl_texture_pre_paint (child_tex, flags); +} + +static void +_cogl_texture_pixmap_x11_ensure_non_quad_rendering (CoglTexture *tex) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + _cogl_texture_ensure_non_quad_rendering (child_tex); +} + +static void +_cogl_texture_pixmap_x11_gl_flush_legacy_texobj_wrap_modes (CoglTexture *tex, + GLenum wrap_mode_s, + GLenum wrap_mode_t, + GLenum wrap_mode_p) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + _cogl_texture_gl_flush_legacy_texobj_wrap_modes (child_tex, + wrap_mode_s, + wrap_mode_t, + wrap_mode_p); +} + +static CoglPixelFormat +_cogl_texture_pixmap_x11_get_format (CoglTexture *tex) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + return _cogl_texture_get_format (child_tex); +} + +static GLenum +_cogl_texture_pixmap_x11_get_gl_format (CoglTexture *tex) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + return _cogl_texture_gl_get_format (child_tex); +} + +static CoglTextureType +_cogl_texture_pixmap_x11_get_type (CoglTexture *tex) +{ + CoglTexturePixmapX11 *tex_pixmap = COGL_TEXTURE_PIXMAP_X11 (tex); + CoglTexture *child_tex; + + child_tex = _cogl_texture_pixmap_x11_get_texture (tex_pixmap); + + /* Forward on to the child texture */ + return _cogl_texture_get_type (child_tex); +} + +static void +_cogl_texture_pixmap_x11_free (CoglTexturePixmapX11 *tex_pixmap) +{ + Display *display; + + _COGL_GET_CONTEXT (ctxt, NO_RETVAL); + + display = cogl_xlib_renderer_get_display (ctxt->display->renderer); + + set_damage_object_internal (ctxt, tex_pixmap, 0, 0); + + if (tex_pixmap->image) + XDestroyImage (tex_pixmap->image); + + if (tex_pixmap->shm_info.shmid != -1) + { + XShmDetach (display, &tex_pixmap->shm_info); + shmdt (tex_pixmap->shm_info.shmaddr); + shmctl (tex_pixmap->shm_info.shmid, IPC_RMID, 0); + } + + if (tex_pixmap->tex) + cogl_object_unref (tex_pixmap->tex); + + if (tex_pixmap->winsys) + { + const CoglWinsysVtable *winsys = + _cogl_texture_pixmap_x11_get_winsys (tex_pixmap); + winsys->texture_pixmap_x11_free (tex_pixmap); + } + + /* Chain up */ + _cogl_texture_free (COGL_TEXTURE (tex_pixmap)); +} + +static const CoglTextureVtable +cogl_texture_pixmap_x11_vtable = + { + FALSE, /* not primitive */ + _cogl_texture_pixmap_x11_allocate, + _cogl_texture_pixmap_x11_set_region, + _cogl_texture_pixmap_x11_get_data, + _cogl_texture_pixmap_x11_foreach_sub_texture_in_region, + _cogl_texture_pixmap_x11_get_max_waste, + _cogl_texture_pixmap_x11_is_sliced, + _cogl_texture_pixmap_x11_can_hardware_repeat, + _cogl_texture_pixmap_x11_transform_coords_to_gl, + _cogl_texture_pixmap_x11_transform_quad_coords_to_gl, + _cogl_texture_pixmap_x11_get_gl_texture, + _cogl_texture_pixmap_x11_gl_flush_legacy_texobj_filters, + _cogl_texture_pixmap_x11_pre_paint, + _cogl_texture_pixmap_x11_ensure_non_quad_rendering, + _cogl_texture_pixmap_x11_gl_flush_legacy_texobj_wrap_modes, + _cogl_texture_pixmap_x11_get_format, + _cogl_texture_pixmap_x11_get_gl_format, + _cogl_texture_pixmap_x11_get_type, + NULL, /* is_foreign */ + NULL /* set_auto_mipmap */ + }; diff --git a/cogl/winsys/cogl-texture-pixmap-x11.h b/cogl/winsys/cogl-texture-pixmap-x11.h new file mode 100644 index 0000000..35155cd --- /dev/null +++ b/cogl/winsys/cogl-texture-pixmap-x11.h @@ -0,0 +1,238 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_TEXTURE_PIXMAP_X11_H +#define __COGL_TEXTURE_PIXMAP_X11_H + +/* NB: this is a top-level header that can be included directly but we + * want to be careful not to define __COGL_H_INSIDE__ when this is + * included internally while building Cogl itself since + * __COGL_H_INSIDE__ is used in headers to guard public vs private api + * definitions + */ +#ifndef COGL_COMPILATION + +/* Note: When building Cogl .gir we explicitly define + * __COGL_H_INSIDE__ */ +#ifndef __COGL_H_INSIDE__ +#define __COGL_H_INSIDE__ +#define __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* COGL_COMPILATION */ + +#include + +#ifdef COGL_HAS_GTYPE_SUPPORT +#include +#endif + +COGL_BEGIN_DECLS + +#ifdef COGL_ENABLE_EXPERIMENTAL_API + +/** + * SECTION:cogl-texture-pixmap-x11 + * @short_description: Functions for creating and manipulating 2D meta + * textures derived from X11 pixmaps. + * + * These functions allow high-level meta textures (See the + * #CoglMetaTexture interface) that derive their contents from an X11 + * pixmap. + */ + +typedef struct _CoglTexturePixmapX11 CoglTexturePixmapX11; + +#define COGL_TEXTURE_PIXMAP_X11(X) ((CoglTexturePixmapX11 *)X) + +#ifdef COGL_HAS_GTYPE_SUPPORT +/** + * cogl_texture_pixmap_x11_get_gtype: + * + * Returns: a #GType that can be used with the GLib type system. + */ +GType cogl_texture_pixmap_x11_get_gtype (void); +#endif + +typedef enum +{ + COGL_TEXTURE_PIXMAP_X11_DAMAGE_RAW_RECTANGLES, + COGL_TEXTURE_PIXMAP_X11_DAMAGE_DELTA_RECTANGLES, + COGL_TEXTURE_PIXMAP_X11_DAMAGE_BOUNDING_BOX, + COGL_TEXTURE_PIXMAP_X11_DAMAGE_NON_EMPTY +} CoglTexturePixmapX11ReportLevel; + +/** + * COGL_TEXTURE_PIXMAP_X11_ERROR: + * + * #CoglError domain for texture-pixmap-x11 errors. + * + * Since: 1.10 + */ +#define COGL_TEXTURE_PIXMAP_X11_ERROR (cogl_texture_pixmap_x11_error_quark ()) + +/** + * CoglTexturePixmapX11Error: + * @COGL_TEXTURE_PIXMAP_X11_ERROR_X11: An X11 protocol error + * + * Error codes that can be thrown when performing texture-pixmap-x11 + * operations. + * + * Since: 1.10 + */ +typedef enum { + COGL_TEXTURE_PIXMAP_X11_ERROR_X11, +} CoglTexturePixmapX11Error; + +uint32_t cogl_texture_pixmap_x11_error_quark (void); + +/** + * cogl_texture_pixmap_x11_new: + * @context: A #CoglContext + * @pixmap: A X11 pixmap ID + * @automatic_updates: Whether to automatically copy the contents of + * the pixmap to the texture. + * @error: A #CoglError for exceptions + * + * Creates a texture that contains the contents of @pixmap. If + * @automatic_updates is %TRUE then Cogl will attempt to listen for + * damage events on the pixmap and automatically update the texture + * when it changes. + * + * Return value: a new #CoglTexturePixmapX11 instance + * + * Since: 1.10 + * Stability: Unstable + */ +CoglTexturePixmapX11 * +cogl_texture_pixmap_x11_new (CoglContext *context, + uint32_t pixmap, + CoglBool automatic_updates, + CoglError **error); + +/** + * cogl_texture_pixmap_x11_update_area: + * @texture: A #CoglTexturePixmapX11 instance + * @x: x coordinate of the area to update + * @y: y coordinate of the area to update + * @width: width of the area to update + * @height: height of the area to update + * + * Forces an update of the given @texture so that it is refreshed with + * the contents of the pixmap that was given to + * cogl_texture_pixmap_x11_new(). + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_texture_pixmap_x11_update_area (CoglTexturePixmapX11 *texture, + int x, + int y, + int width, + int height); + +/** + * cogl_texture_pixmap_x11_is_using_tfp_extension: + * @texture: A #CoglTexturePixmapX11 instance + * + * Checks whether the given @texture is using the + * GLX_EXT_texture_from_pixmap or similar extension to copy the + * contents of the pixmap to the texture. This extension is usually + * implemented as zero-copy operation so it implies the updates are + * working efficiently. + * + * Return value: %TRUE if the texture is using an efficient extension + * and %FALSE otherwise + * + * Since: 1.4 + * Stability: Unstable + */ +CoglBool +cogl_texture_pixmap_x11_is_using_tfp_extension (CoglTexturePixmapX11 *texture); + +/** + * cogl_texture_pixmap_x11_set_damage_object: + * @texture: A #CoglTexturePixmapX11 instance + * @damage: A X11 Damage object or 0 + * @report_level: The report level which describes how to interpret + * the damage events. This should match the level that the damage + * object was created with. + * + * Sets the damage object that will be used to track automatic updates + * to the @texture. Damage tracking can be disabled by passing 0 for + * @damage. Otherwise this damage will replace the one used if %TRUE + * was passed for automatic_updates to cogl_texture_pixmap_x11_new(). + * + * Note that Cogl will subtract from the damage region as it processes + * damage events. + * + * Since: 1.4 + * Stability: Unstable + */ +void +cogl_texture_pixmap_x11_set_damage_object (CoglTexturePixmapX11 *texture, + uint32_t damage, + CoglTexturePixmapX11ReportLevel + report_level); + +/** + * cogl_is_texture_pixmap_x11: + * @object: A pointer to a #CoglObject + * + * Checks whether @object points to a #CoglTexturePixmapX11 instance. + * + * Return value: %TRUE if the object is a #CoglTexturePixmapX11, and + * %FALSE otherwise + * + * Since: 1.4 + * Stability: Unstable + */ +CoglBool +cogl_is_texture_pixmap_x11 (void *object); + +#endif /* COGL_ENABLE_EXPERIMENTAL_API */ + +COGL_END_DECLS + +/* The gobject introspection scanner seems to parse public headers in + * isolation which means we need to be extra careful about how we + * define and undefine __COGL_H_INSIDE__ used to detect when internal + * headers are incorrectly included by developers. In the gobject + * introspection case we have to manually define __COGL_H_INSIDE__ as + * a commandline argument for the scanner which means we must be + * careful not to undefine it in a header... + */ +#ifdef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#undef __COGL_H_INSIDE__ +#undef __COGL_MUST_UNDEF_COGL_H_INSIDE__ +#endif + +#endif /* __COGL_TEXTURE_PIXMAP_X11_H */ diff --git a/cogl/winsys/cogl-winsys-egl-android-private.h b/cogl/winsys/cogl-winsys-egl-android-private.h new file mode 100644 index 0000000..b866c87 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-android-private.h @@ -0,0 +1,39 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_EGL_ANDROID_PRIVATE_H +#define __COGL_WINSYS_EGL_ANDROID_PRIVATE_H + +#include "cogl-winsys-private.h" + +const CoglWinsysVtable * +_cogl_winsys_egl_android_get_vtable (void); + +#endif /* __COGL_WINSYS_EGL_ANDROID_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-egl-android.c b/cogl/winsys/cogl-winsys-egl-android.c new file mode 100644 index 0000000..cf4a133 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-android.c @@ -0,0 +1,253 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-winsys-egl-android-private.h" +#include "cogl-winsys-egl-private.h" +#include "cogl-renderer-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-private.h" + +static const CoglWinsysEGLVtable _cogl_winsys_egl_vtable; + +typedef struct _CoglDisplayAndroid +{ + int egl_surface_width; + int egl_surface_height; + CoglBool have_onscreen; +} CoglDisplayAndroid; + +static ANativeWindow *android_native_window; + +void +cogl_android_set_native_window (ANativeWindow *window) +{ + _cogl_init (); + + android_native_window = window; +} + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + CoglRendererEGL *egl_renderer = renderer->winsys; + + eglTerminate (egl_renderer->edpy); + + g_slice_free (CoglRendererEGL, egl_renderer); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + CoglRendererEGL *egl_renderer; + + renderer->winsys = g_slice_new0 (CoglRendererEGL); + egl_renderer = renderer->winsys; + + egl_renderer->platform_vtable = &_cogl_winsys_egl_vtable; + + egl_renderer->edpy = eglGetDisplay (EGL_DEFAULT_DISPLAY); + + if (!_cogl_winsys_egl_renderer_connect_common (renderer, error)) + goto error; + + return TRUE; + +error: + _cogl_winsys_renderer_disconnect (renderer); + return FALSE; +} + +static CoglBool +_cogl_winsys_egl_context_created (CoglDisplay *display, + CoglError **error) +{ + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayAndroid *android_display = egl_display->platform; + const char *error_message; + EGLint format; + + if (android_native_window == NULL) + { + error_message = "No ANativeWindow window specified with " + "cogl_android_set_native_window()"; + goto fail; + } + + /* EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is + * guaranteed to be accepted by ANativeWindow_setBuffersGeometry (). + * As soon as we picked a EGLConfig, we can safely reconfigure the + * ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID. */ + eglGetConfigAttrib (egl_renderer->edpy, + egl_display->egl_config, + EGL_NATIVE_VISUAL_ID, &format); + + ANativeWindow_setBuffersGeometry (android_native_window, + 0, + 0, + format); + + egl_display->egl_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_display->egl_config, + (EGLNativeWindowType) android_native_window, + NULL); + if (egl_display->egl_surface == EGL_NO_SURFACE) + { + error_message = "Unable to create EGL window surface"; + goto fail; + } + + if (!_cogl_winsys_egl_make_current (display, + egl_display->egl_surface, + egl_display->egl_surface, + egl_display->egl_context)) + { + error_message = "Unable to eglMakeCurrent with egl surface"; + goto fail; + } + + eglQuerySurface (egl_renderer->edpy, + egl_display->egl_surface, + EGL_WIDTH, + &android_display->egl_surface_width); + + eglQuerySurface (egl_renderer->edpy, + egl_display->egl_surface, + EGL_HEIGHT, + &android_display->egl_surface_height); + + return TRUE; + + fail: + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "%s", error_message); + return FALSE; +} + +static CoglBool +_cogl_winsys_egl_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayAndroid *android_display; + + android_display = g_slice_new0 (CoglDisplayAndroid); + egl_display->platform = android_display; + + return TRUE; +} + +static void +_cogl_winsys_egl_display_destroy (CoglDisplay *display) +{ + CoglDisplayEGL *egl_display = display->winsys; + + g_slice_free (CoglDisplayAndroid, egl_display->platform); +} + +static CoglBool +_cogl_winsys_egl_onscreen_init (CoglOnscreen *onscreen, + EGLConfig egl_config, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayAndroid *android_display = egl_display->platform; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + + if (android_display->have_onscreen) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "EGL platform only supports a single onscreen window"); + return FALSE; + } + + egl_onscreen->egl_surface = egl_display->egl_surface; + + _cogl_framebuffer_winsys_update_size (framebuffer, + android_display->egl_surface_width, + android_display->egl_surface_height); + + android_display->have_onscreen = TRUE; + + return TRUE; +} + +static const CoglWinsysEGLVtable +_cogl_winsys_egl_vtable = + { + .display_setup = _cogl_winsys_egl_display_setup, + .display_destroy = _cogl_winsys_egl_display_destroy, + .context_created = _cogl_winsys_egl_context_created, + .onscreen_init = _cogl_winsys_egl_onscreen_init, + }; + +const CoglWinsysVtable * +_cogl_winsys_egl_android_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + if (!vtable_inited) + { + /* The EGL_ANDROID winsys is a subclass of the EGL winsys so we + start by copying its vtable */ + + vtable = *_cogl_winsys_egl_get_vtable (); + + vtable.id = COGL_WINSYS_ID_EGL_ANDROID; + vtable.name = "EGL_ANDROID"; + + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + + vtable_inited = TRUE; + } + + return &vtable; +} diff --git a/cogl/winsys/cogl-winsys-egl-feature-functions.h b/cogl/winsys/cogl-winsys-egl-feature-functions.h new file mode 100644 index 0000000..17a99f2 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-feature-functions.h @@ -0,0 +1,149 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This can be included multiple times with different definitions for + * the COGL_WINSYS_FEATURE_* functions. + */ + +/* Macro prototypes: + * COGL_WINSYS_FEATURE_BEGIN (name, namespaces, extension_names, + * implied_private_egl_feature_flags) + * COGL_WINSYS_FEATURE_FUNCTION (return_type, function_name, + * (arguments)) + * ... + * COGL_WINSYS_FEATURE_END () + * + * Note: You can list multiple namespace and extension names if the + * corresponding _FEATURE_FUNCTIONS have the same semantics accross + * the different extension variants. + * + * XXX: NB: Don't add a trailing semicolon when using these macros + */ + +COGL_WINSYS_FEATURE_BEGIN (swap_region, + "NOK\0", + "swap_region\0", + COGL_EGL_WINSYS_FEATURE_SWAP_REGION) +COGL_WINSYS_FEATURE_FUNCTION (EGLBoolean, eglSwapBuffersRegion, + (EGLDisplay dpy, + EGLSurface surface, + EGLint numRects, + const EGLint *rects)) +COGL_WINSYS_FEATURE_END () +/* XXX: These macros can't handle falling back to looking for + * EGL_KHR_image if EGL_KHR_image_base and EGL_KHR_image_pixmap aren't + * found... */ +#ifdef EGL_KHR_image_base +COGL_WINSYS_FEATURE_BEGIN (image_base, + "KHR\0", + "image_base\0", + 0) +COGL_WINSYS_FEATURE_FUNCTION (EGLImageKHR, eglCreateImage, + (EGLDisplay dpy, + EGLContext ctx, + EGLenum target, + EGLClientBuffer buffer, + const EGLint *attrib_list)) +COGL_WINSYS_FEATURE_FUNCTION (EGLBoolean, eglDestroyImage, + (EGLDisplay dpy, + EGLImageKHR image)) +COGL_WINSYS_FEATURE_END () +#endif +COGL_WINSYS_FEATURE_BEGIN (image_pixmap, + "KHR\0", + "image_pixmap\0", + COGL_EGL_WINSYS_FEATURE_EGL_IMAGE_FROM_X11_PIXMAP) +COGL_WINSYS_FEATURE_END () +#ifdef EGL_WL_bind_wayland_display +COGL_WINSYS_FEATURE_BEGIN (bind_wayland_display, + "WL\0", + "bind_wayland_display\0", + COGL_EGL_WINSYS_FEATURE_EGL_IMAGE_FROM_WAYLAND_BUFFER) +COGL_WINSYS_FEATURE_FUNCTION (EGLImageKHR, eglBindWaylandDisplay, + (EGLDisplay dpy, + struct wl_display *wayland_display)) +COGL_WINSYS_FEATURE_FUNCTION (EGLBoolean, eglUnbindWaylandDisplay, + (EGLDisplay dpy, + struct wl_display *wayland_display)) +COGL_WINSYS_FEATURE_FUNCTION (EGLBoolean, eglQueryWaylandBuffer, + (EGLDisplay dpy, + struct wl_resource *buffer, + EGLint attribute, EGLint *value)) +COGL_WINSYS_FEATURE_END () +#endif /* EGL_WL_bind_wayland_display */ + +COGL_WINSYS_FEATURE_BEGIN (create_context, + "KHR\0", + "create_context\0", + COGL_EGL_WINSYS_FEATURE_CREATE_CONTEXT) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (buffer_age, + "EXT\0", + "buffer_age\0", + COGL_EGL_WINSYS_FEATURE_BUFFER_AGE) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (swap_buffers_with_damage, + "EXT\0", + "swap_buffers_with_damage\0", + 0) +COGL_WINSYS_FEATURE_FUNCTION (EGLBoolean, eglSwapBuffersWithDamage, + (EGLDisplay dpy, + EGLSurface surface, + const EGLint *rects, + EGLint n_rects)) +COGL_WINSYS_FEATURE_END () + +#if defined(EGL_KHR_fence_sync) || defined(EGL_KHR_reusable_sync) +COGL_WINSYS_FEATURE_BEGIN (fence_sync, + "KHR\0", + "fence_sync\0", + COGL_EGL_WINSYS_FEATURE_FENCE_SYNC) +COGL_WINSYS_FEATURE_FUNCTION (EGLSyncKHR, eglCreateSync, + (EGLDisplay dpy, + EGLenum type, + const EGLint *attrib_list)) +COGL_WINSYS_FEATURE_FUNCTION (EGLint, eglClientWaitSync, + (EGLDisplay dpy, + EGLSyncKHR sync, + EGLint flags, + EGLTimeKHR timeout)) +COGL_WINSYS_FEATURE_FUNCTION (EGLBoolean, eglDestroySync, + (EGLDisplay dpy, + EGLSyncKHR sync)) +COGL_WINSYS_FEATURE_END () +#endif + +COGL_WINSYS_FEATURE_BEGIN (surfaceless_context, + "KHR\0", + "surfaceless_context\0", + COGL_EGL_WINSYS_FEATURE_SURFACELESS_CONTEXT) +COGL_WINSYS_FEATURE_END () diff --git a/cogl/winsys/cogl-winsys-egl-gdl-private.h b/cogl/winsys/cogl-winsys-egl-gdl-private.h new file mode 100644 index 0000000..b7fc75c --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-gdl-private.h @@ -0,0 +1,39 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_EGL_GDL_PRIVATE_H +#define __COGL_WINSYS_EGL_GDL_PRIVATE_H + +#include "cogl-winsys-private.h" + +const CoglWinsysVtable * +_cogl_winsys_egl_gdl_get_vtable (void); + +#endif /* __COGL_WINSYS_EGL_GDL_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-egl-gdl.c b/cogl/winsys/cogl-winsys-egl-gdl.c new file mode 100644 index 0000000..e5a0765 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-gdl.c @@ -0,0 +1,380 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-winsys-egl-gdl-private.h" +#include "cogl-winsys-egl-private.h" +#include "cogl-renderer-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-swap-chain-private.h" + +static const CoglWinsysEGLVtable _cogl_winsys_egl_vtable; + +typedef struct _CoglRendererGDL +{ + CoglBool gdl_initialized; +} CoglRendererGDL; + +typedef struct _CoglDisplayGDL +{ + int egl_surface_width; + int egl_surface_height; + CoglBool have_onscreen; +} CoglDisplayGDL; + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererGDL *gdl_renderer = egl_renderer->platform; + + if (gdl_renderer->gdl_initialized) + gdl_close (); + + eglTerminate (egl_renderer->edpy); + + g_slice_free (CoglRendererEGL, egl_renderer); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + CoglRendererEGL *egl_renderer; + CoglRendererGDL *gdl_renderer; + gdl_ret_t rc = GDL_SUCCESS; + gdl_display_info_t gdl_display_info; + + renderer->winsys = g_slice_new0 (CoglRendererEGL); + egl_renderer = renderer->winsys; + + gdl_renderer = g_slice_new0 (CoglRendererGDL); + egl_renderer->platform = gdl_renderer; + + egl_renderer->platform_vtable = &_cogl_winsys_egl_vtable; + + egl_renderer->edpy = eglGetDisplay (EGL_DEFAULT_DISPLAY); + + if (!_cogl_winsys_egl_renderer_connect_common (renderer, error)) + goto error; + + /* Check we can talk to the GDL library */ + rc = gdl_init (NULL); + if (rc != GDL_SUCCESS) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "GDL initialize failed. %s", + gdl_get_error_string (rc)); + goto error; + } + + rc = gdl_get_display_info (GDL_DISPLAY_ID_0, &gdl_display_info); + if (rc != GDL_SUCCESS) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "GDL failed to get display information: %s", + gdl_get_error_string (rc)); + gdl_close (); + goto error; + } + + gdl_close (); + + return TRUE; + +error: + _cogl_winsys_renderer_disconnect (renderer); + return FALSE; +} + +static CoglBool +_cogl_winsys_egl_context_created (CoglDisplay *display, + CoglError **error) +{ + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayGDL *gdl_display = egl_display->platform; + const char *error_message; + + egl_display->egl_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_display->egl_config, + (EGLNativeWindowType) display->gdl_plane, + NULL); + + if (egl_display->egl_surface == EGL_NO_SURFACE) + { + error_message = "Unable to create EGL window surface"; + goto fail; + } + + if (!_cogl_winsys_egl_make_current (display, + egl_display->egl_surface, + egl_display->egl_surface, + egl_display->egl_context)) + { + error_message = "Unable to eglMakeCurrent with egl surface"; + goto fail; + } + + eglQuerySurface (egl_renderer->edpy, + egl_display->egl_surface, + EGL_WIDTH, + &gdl_display->egl_surface_width); + + eglQuerySurface (egl_renderer->edpy, + egl_display->egl_surface, + EGL_HEIGHT, + &gdl_display->egl_surface_height); + + return TRUE; + + fail: + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "%s", error_message); + return FALSE; +} + +static CoglBool +gdl_plane_init (CoglDisplay *display, CoglError **error) +{ + CoglBool ret = TRUE; + gdl_color_space_t colorSpace = GDL_COLOR_SPACE_RGB; + gdl_pixel_format_t pixfmt = GDL_PF_ARGB_32; + gdl_rectangle_t dstRect; + gdl_display_info_t display_info; + gdl_ret_t rc = GDL_SUCCESS; + + if (!display->gdl_plane) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, COGL_WINSYS_ERROR_CREATE_CONTEXT, + "No GDL plane specified with " + "cogl_gdl_display_set_plane"); + return FALSE; + } + + rc = gdl_init (NULL); + if (rc != GDL_SUCCESS) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, COGL_WINSYS_ERROR_CREATE_CONTEXT, + "GDL initialize failed. %s", gdl_get_error_string (rc)); + return FALSE; + } + + rc = gdl_get_display_info (GDL_DISPLAY_ID_0, &display_info); + if (rc != GDL_SUCCESS) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, COGL_WINSYS_ERROR_CREATE_CONTEXT, + "GDL failed to get display infomation: %s", + gdl_get_error_string (rc)); + gdl_close (); + return FALSE; + } + + dstRect.origin.x = 0; + dstRect.origin.y = 0; + dstRect.width = display_info.tvmode.width; + dstRect.height = display_info.tvmode.height; + + /* Configure the plane attribute. */ + rc = gdl_plane_reset (display->gdl_plane); + if (rc == GDL_SUCCESS) + rc = gdl_plane_config_begin (display->gdl_plane); + + if (rc == GDL_SUCCESS) + rc = gdl_plane_set_attr (GDL_PLANE_SRC_COLOR_SPACE, &colorSpace); + + if (rc == GDL_SUCCESS) + rc = gdl_plane_set_attr (GDL_PLANE_PIXEL_FORMAT, &pixfmt); + + if (rc == GDL_SUCCESS) + rc = gdl_plane_set_attr (GDL_PLANE_DST_RECT, &dstRect); + + /* Default to triple buffering if the swap_chain doesn't have an explicit + * length */ + if (rc == GDL_SUCCESS) + { + if (display->onscreen_template->config.swap_chain && + display->onscreen_template->config.swap_chain->length != -1) + rc = gdl_plane_set_uint (GDL_PLANE_NUM_GFX_SURFACES, + display->onscreen_template-> + config.swap_chain->length); + else + rc = gdl_plane_set_uint (GDL_PLANE_NUM_GFX_SURFACES, 3); + } + + if (rc == GDL_SUCCESS) + rc = gdl_plane_config_end (GDL_FALSE); + else + gdl_plane_config_end (GDL_TRUE); + + if (rc != GDL_SUCCESS) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, COGL_WINSYS_ERROR_CREATE_CONTEXT, + "GDL configuration failed: %s.", gdl_get_error_string (rc)); + ret = FALSE; + } + + gdl_close (); + + return ret; +} + +static CoglBool +_cogl_winsys_egl_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayGDL *gdl_display; + + gdl_display = g_slice_new0 (CoglDisplayGDL); + egl_display->platform = gdl_display; + + if (!gdl_plane_init (display, error)) + return FALSE; + + return TRUE; +} + +static void +_cogl_winsys_egl_display_destroy (CoglDisplay *display) +{ + CoglDisplayEGL *egl_display = display->winsys; + + g_slice_free (CoglDisplayGDL, egl_display->platform); +} + +static void +_cogl_winsys_egl_cleanup_context (CoglDisplay *display) +{ + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglDisplayEGL *egl_display = display->winsys; + + if (egl_display->egl_surface != EGL_NO_SURFACE) + { + eglDestroySurface (egl_renderer->edpy, egl_display->egl_surface); + egl_display->egl_surface = EGL_NO_SURFACE; + } +} + +static CoglBool +_cogl_winsys_egl_onscreen_init (CoglOnscreen *onscreen, + EGLConfig egl_config, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayGDL *gdl_display = egl_display->platform; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + + if (gdl_display->have_onscreen) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "EGL platform only supports a single onscreen window"); + return FALSE; + } + + egl_onscreen->egl_surface = egl_display->egl_surface; + + _cogl_framebuffer_winsys_update_size (framebuffer, + gdl_display->egl_surface_width, + gdl_display->egl_surface_height); + gdl_display->have_onscreen = TRUE; + + return TRUE; +} + +static int +_cogl_winsys_egl_add_config_attributes (CoglDisplay *display, + CoglFramebufferConfig *config, + EGLint *attributes) +{ + int i = 0; + + /* XXX: Why does the GDL platform choose these by default? */ + attributes[i++] = EGL_BIND_TO_TEXTURE_RGBA; + attributes[i++] = EGL_TRUE; + attributes[i++] = EGL_BIND_TO_TEXTURE_RGB; + attributes[i++] = EGL_TRUE; + + return i; +} + +static const CoglWinsysEGLVtable +_cogl_winsys_egl_vtable = + { + .display_setup = _cogl_winsys_egl_display_setup, + .display_destroy = _cogl_winsys_egl_display_destroy, + .context_created = _cogl_winsys_egl_context_created, + .cleanup_context = _cogl_winsys_egl_cleanup_context, + .onscreen_init = _cogl_winsys_egl_onscreen_init, + .add_config_attributes = _cogl_winsys_egl_add_config_attributes + }; + +const CoglWinsysVtable * +_cogl_winsys_egl_gdl_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + if (!vtable_inited) + { + /* The EGL_GDL winsys is a subclass of the EGL winsys so we + start by copying its vtable */ + + vtable = *_cogl_winsys_egl_get_vtable (); + + vtable.id = COGL_WINSYS_ID_EGL_GDL; + vtable.name = "EGL_GDL"; + + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + + vtable_inited = TRUE; + } + + return &vtable; +} diff --git a/cogl/winsys/cogl-winsys-egl-kms-private.h b/cogl/winsys/cogl-winsys-egl-kms-private.h new file mode 100644 index 0000000..dea05db --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-kms-private.h @@ -0,0 +1,41 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + */ + +#ifndef __COGL_WINSYS_EGL_KMS_PRIVATE_H +#define __COGL_WINSYS_EGL_KMS_PRIVATE_H + +#include "cogl-winsys-private.h" + +const CoglWinsysVtable * +_cogl_winsys_egl_kms_get_vtable (void); + +#endif /* __COGL_WINSYS_EGL_KMS_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-egl-kms.c b/cogl/winsys/cogl-winsys-egl-kms.c new file mode 100644 index 0000000..9be1df1 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-kms.c @@ -0,0 +1,1261 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Rob Bradford + * Kristian Høgsberg (from eglkms.c) + * Benjamin Franzke (from eglkms.c) + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "cogl-winsys-egl-kms-private.h" +#include "cogl-winsys-egl-private.h" +#include "cogl-renderer-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-kms-renderer.h" +#include "cogl-kms-display.h" +#include "cogl-version.h" +#include "cogl-error-private.h" +#include "cogl-poll-private.h" + +static const CoglWinsysEGLVtable _cogl_winsys_egl_vtable; + +static const CoglWinsysVtable *parent_vtable; + +typedef struct _CoglRendererKMS +{ + int fd; + int opened_fd; + struct gbm_device *gbm; + CoglClosure *swap_notify_idle; +} CoglRendererKMS; + +typedef struct _CoglOutputKMS +{ + drmModeConnector *connector; + drmModeEncoder *encoder; + drmModeCrtc *saved_crtc; + drmModeModeInfo *modes; + int n_modes; + drmModeModeInfo mode; +} CoglOutputKMS; + +typedef struct _CoglDisplayKMS +{ + GList *outputs; + GList *crtcs; + + int width, height; + CoglBool pending_set_crtc; + struct gbm_surface *dummy_gbm_surface; + + CoglOnscreen *onscreen; +} CoglDisplayKMS; + +typedef struct _CoglFlipKMS +{ + CoglOnscreen *onscreen; + int pending; +} CoglFlipKMS; + +typedef struct _CoglOnscreenKMS +{ + struct gbm_surface *surface; + uint32_t current_fb_id; + uint32_t next_fb_id; + struct gbm_bo *current_bo; + struct gbm_bo *next_bo; + CoglBool pending_swap_notify; +} CoglOnscreenKMS; + +static const char device_name[] = "/dev/dri/card0"; + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + + eglTerminate (egl_renderer->edpy); + + if (kms_renderer->opened_fd >= 0) + close (kms_renderer->opened_fd); + + g_slice_free (CoglRendererKMS, kms_renderer); + g_slice_free (CoglRendererEGL, egl_renderer); +} + +static void +flush_pending_swap_notify_cb (void *data, + void *user_data) +{ + CoglFramebuffer *framebuffer = data; + + if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN) + { + CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer); + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenKMS *kms_onscreen = egl_onscreen->platform; + + if (kms_onscreen->pending_swap_notify) + { + CoglFrameInfo *info = g_queue_pop_head (&onscreen->pending_frame_infos); + + _cogl_onscreen_notify_frame_sync (onscreen, info); + _cogl_onscreen_notify_complete (onscreen, info); + kms_onscreen->pending_swap_notify = FALSE; + + cogl_object_unref (info); + } + } +} + +static void +flush_pending_swap_notify_idle (void *user_data) +{ + CoglContext *context = user_data; + CoglRendererEGL *egl_renderer = context->display->renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + + /* This needs to be disconnected before invoking the callbacks in + * case the callbacks cause it to be queued again */ + _cogl_closure_disconnect (kms_renderer->swap_notify_idle); + kms_renderer->swap_notify_idle = NULL; + + g_list_foreach (context->framebuffers, + flush_pending_swap_notify_cb, + NULL); +} + +static void +free_current_bo (CoglOnscreen *onscreen) +{ + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenKMS *kms_onscreen = egl_onscreen->platform; + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + + if (kms_onscreen->current_fb_id) + { + drmModeRmFB (kms_renderer->fd, + kms_onscreen->current_fb_id); + kms_onscreen->current_fb_id = 0; + } + if (kms_onscreen->current_bo) + { + gbm_surface_release_buffer (kms_onscreen->surface, + kms_onscreen->current_bo); + kms_onscreen->current_bo = NULL; + } +} + +static void +queue_swap_notify_for_onscreen (CoglOnscreen *onscreen) +{ + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenKMS *kms_onscreen = egl_onscreen->platform; + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + + /* We only want to notify that the swap is complete when the + * application calls cogl_context_dispatch so instead of + * immediately notifying we queue an idle callback */ + if (!kms_renderer->swap_notify_idle) + { + kms_renderer->swap_notify_idle = + _cogl_poll_renderer_add_idle (renderer, + flush_pending_swap_notify_idle, + context, + NULL); + } + + kms_onscreen->pending_swap_notify = TRUE; +} + +static void +page_flip_handler (int fd, + unsigned int frame, + unsigned int sec, + unsigned int usec, + void *data) +{ + CoglFlipKMS *flip = data; + + /* We're only ready to dispatch a swap notification once all outputs + * have flipped... */ + flip->pending--; + if (flip->pending == 0) + { + CoglOnscreen *onscreen = flip->onscreen; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenKMS *kms_onscreen = egl_onscreen->platform; + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + + queue_swap_notify_for_onscreen (onscreen); + + free_current_bo (onscreen); + + kms_onscreen->current_fb_id = kms_onscreen->next_fb_id; + kms_onscreen->next_fb_id = 0; + + kms_onscreen->current_bo = kms_onscreen->next_bo; + kms_onscreen->next_bo = NULL; + + cogl_object_unref (flip->onscreen); + + g_slice_free (CoglFlipKMS, flip); + } +} + +static void +handle_drm_event (CoglRendererKMS *kms_renderer) +{ + drmEventContext evctx; + + memset (&evctx, 0, sizeof evctx); + evctx.version = DRM_EVENT_CONTEXT_VERSION; + evctx.page_flip_handler = page_flip_handler; + drmHandleEvent (kms_renderer->fd, &evctx); +} + +static void +dispatch_kms_events (void *user_data, int revents) +{ + CoglRenderer *renderer = user_data; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + + if (!revents) + return; + + handle_drm_event (kms_renderer); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + CoglRendererEGL *egl_renderer; + CoglRendererKMS *kms_renderer; + + renderer->winsys = g_slice_new0 (CoglRendererEGL); + egl_renderer = renderer->winsys; + + egl_renderer->platform_vtable = &_cogl_winsys_egl_vtable; + egl_renderer->platform = g_slice_new0 (CoglRendererKMS); + kms_renderer = egl_renderer->platform; + + kms_renderer->fd = -1; + kms_renderer->opened_fd = -1; + + if (renderer->kms_fd >= 0) + { + kms_renderer->fd = renderer->kms_fd; + } + else + { + kms_renderer->opened_fd = open (device_name, O_RDWR); + kms_renderer->fd = kms_renderer->opened_fd; + if (kms_renderer->fd < 0) + { + /* Probably permissions error */ + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Couldn't open %s", device_name); + return FALSE; + } + } + + kms_renderer->gbm = gbm_create_device (kms_renderer->fd); + if (kms_renderer->gbm == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Couldn't create gbm device"); + goto close_fd; + } + + egl_renderer->edpy = eglGetDisplay ((EGLNativeDisplayType)kms_renderer->gbm); + if (egl_renderer->edpy == EGL_NO_DISPLAY) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Couldn't get eglDisplay"); + goto destroy_gbm_device; + } + + if (!_cogl_winsys_egl_renderer_connect_common (renderer, error)) + goto egl_terminate; + + _cogl_poll_renderer_add_fd (renderer, + kms_renderer->fd, + COGL_POLL_FD_EVENT_IN, + NULL, /* no prepare callback */ + dispatch_kms_events, + renderer); + + return TRUE; + +egl_terminate: + eglTerminate (egl_renderer->edpy); +destroy_gbm_device: + gbm_device_destroy (kms_renderer->gbm); +close_fd: + if (kms_renderer->opened_fd >= 0) + close (kms_renderer->opened_fd); + + _cogl_winsys_renderer_disconnect (renderer); + + return FALSE; +} + +static CoglBool +is_connector_excluded (int id, + int *excluded_connectors, + int n_excluded_connectors) +{ + int i; + for (i = 0; i < n_excluded_connectors; i++) + if (excluded_connectors[i] == id) + return TRUE; + return FALSE; +} + +static drmModeConnector * +find_connector (int fd, + drmModeRes *resources, + int *excluded_connectors, + int n_excluded_connectors) +{ + int i; + + for (i = 0; i < resources->count_connectors; i++) + { + drmModeConnector *connector = + drmModeGetConnector (fd, resources->connectors[i]); + + if (connector && + connector->connection == DRM_MODE_CONNECTED && + connector->count_modes > 0 && + !is_connector_excluded (connector->connector_id, + excluded_connectors, + n_excluded_connectors)) + return connector; + drmModeFreeConnector(connector); + } + return NULL; +} + +static CoglBool +find_mirror_modes (drmModeModeInfo *modes0, + int n_modes0, + drmModeModeInfo *modes1, + int n_modes1, + drmModeModeInfo *mode1_out, + drmModeModeInfo *mode0_out) +{ + int i; + for (i = 0; i < n_modes0; i++) + { + int j; + drmModeModeInfo *mode0 = &modes0[i]; + for (j = 0; j < n_modes1; j++) + { + drmModeModeInfo *mode1 = &modes1[j]; + if (mode1->hdisplay == mode0->hdisplay && + mode1->vdisplay == mode0->vdisplay) + { + *mode0_out = *mode0; + *mode1_out = *mode1; + return TRUE; + } + } + } + return FALSE; +} + +static drmModeModeInfo builtin_1024x768 = +{ + 63500, /* clock */ + 1024, 1072, 1176, 1328, 0, + 768, 771, 775, 798, 0, + 59920, + DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC, + 0, + "1024x768" +}; + +static CoglBool +is_panel (int type) +{ + return (type == DRM_MODE_CONNECTOR_LVDS || + type == DRM_MODE_CONNECTOR_eDP); +} + +static CoglOutputKMS * +find_output (int _index, + int fd, + drmModeRes *resources, + int *excluded_connectors, + int n_excluded_connectors, + CoglError **error) +{ + char *connector_env_name = g_strdup_printf ("COGL_KMS_CONNECTOR%d", _index); + char *mode_env_name; + drmModeConnector *connector; + drmModeEncoder *encoder; + CoglOutputKMS *output; + drmModeModeInfo *modes; + int n_modes; + + if (getenv (connector_env_name)) + { + unsigned long id = strtoul (getenv (connector_env_name), NULL, 10); + connector = drmModeGetConnector (fd, id); + } + else + connector = NULL; + g_free (connector_env_name); + + if (connector == NULL) + connector = find_connector (fd, resources, + excluded_connectors, n_excluded_connectors); + if (connector == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "No currently active connector found"); + return NULL; + } + + /* XXX: At this point it seems connector->encoder_id may be an invalid id of 0 + * even though the connector is marked as connected. Referencing ->encoders[0] + * seems more reliable. */ + encoder = drmModeGetEncoder (fd, connector->encoders[0]); + + output = g_slice_new0 (CoglOutputKMS); + output->connector = connector; + output->encoder = encoder; + output->saved_crtc = drmModeGetCrtc (fd, encoder->crtc_id); + + if (is_panel (connector->connector_type)) + { + n_modes = connector->count_modes + 1; + modes = g_new (drmModeModeInfo, n_modes); + memcpy (modes, connector->modes, + sizeof (drmModeModeInfo) * connector->count_modes); + /* TODO: parse EDID */ + modes[n_modes - 1] = builtin_1024x768; + } + else + { + n_modes = connector->count_modes; + modes = g_new (drmModeModeInfo, n_modes); + memcpy (modes, connector->modes, + sizeof (drmModeModeInfo) * n_modes); + } + + mode_env_name = g_strdup_printf ("COGL_KMS_CONNECTOR%d_MODE", _index); + if (getenv (mode_env_name)) + { + const char *name = getenv (mode_env_name); + int i; + CoglBool found = FALSE; + drmModeModeInfo mode; + + for (i = 0; i < n_modes; i++) + { + if (strcmp (modes[i].name, name) == 0) + { + found = TRUE; + break; + } + } + if (!found) + { + g_free (mode_env_name); + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "COGL_KMS_CONNECTOR%d_MODE of %s could not be found", + _index, name); + return NULL; + } + n_modes = 1; + mode = modes[i]; + g_free (modes); + modes = g_new (drmModeModeInfo, 1); + modes[0] = mode; + } + g_free (mode_env_name); + + output->modes = modes; + output->n_modes = n_modes; + + return output; +} + +static void +setup_crtc_modes (CoglDisplay *display, int fb_id) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + CoglRendererEGL *egl_renderer = display->renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + GList *l; + + for (l = kms_display->crtcs; l; l = l->next) + { + CoglKmsCrtc *crtc = l->data; + + int ret = drmModeSetCrtc (kms_renderer->fd, + crtc->id, + fb_id, crtc->x, crtc->y, + crtc->connectors, crtc->count, + crtc->count ? &crtc->mode : NULL); + if (ret) + g_warning ("Failed to set crtc mode %s: %m", crtc->mode.name); + } +} + +static void +flip_all_crtcs (CoglDisplay *display, CoglFlipKMS *flip, int fb_id) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + CoglRendererEGL *egl_renderer = display->renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + GList *l; + + for (l = kms_display->crtcs; l; l = l->next) + { + CoglKmsCrtc *crtc = l->data; + int ret; + + if (crtc->count == 0 || crtc->ignore) + continue; + + ret = drmModePageFlip (kms_renderer->fd, + crtc->id, fb_id, + DRM_MODE_PAGE_FLIP_EVENT, flip); + + if (ret) + { + g_warning ("Failed to flip: %m"); + continue; + } + + flip->pending++; + } +} + +static void +crtc_free (CoglKmsCrtc *crtc) +{ + g_free (crtc->connectors); + g_slice_free (CoglKmsCrtc, crtc); +} + +static CoglKmsCrtc * +crtc_copy (CoglKmsCrtc *from) +{ + CoglKmsCrtc *new; + + new = g_slice_new (CoglKmsCrtc); + + *new = *from; + new->connectors = g_memdup (from->connectors, from->count * sizeof(uint32_t)); + + return new; +} + +static CoglBool +_cogl_winsys_egl_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display; + CoglRendererEGL *egl_renderer = display->renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + drmModeRes *resources; + CoglOutputKMS *output0, *output1; + CoglBool mirror; + CoglKmsCrtc *crtc0, *crtc1; + + kms_display = g_slice_new0 (CoglDisplayKMS); + egl_display->platform = kms_display; + + resources = drmModeGetResources (kms_renderer->fd); + if (!resources) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "drmModeGetResources failed"); + return FALSE; + } + + output0 = find_output (0, + kms_renderer->fd, + resources, + NULL, + 0, /* n excluded connectors */ + error); + kms_display->outputs = g_list_append (kms_display->outputs, output0); + if (!output0) + return FALSE; + + if (getenv ("COGL_KMS_MIRROR")) + mirror = TRUE; + else + mirror = FALSE; + + if (mirror) + { + int exclude_connector = output0->connector->connector_id; + output1 = find_output (1, + kms_renderer->fd, + resources, + &exclude_connector, + 1, /* n excluded connectors */ + error); + if (!output1) + return FALSE; + + kms_display->outputs = g_list_append (kms_display->outputs, output1); + + if (!find_mirror_modes (output0->modes, output0->n_modes, + output1->modes, output1->n_modes, + &output0->mode, + &output1->mode)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Failed to find matching modes for mirroring"); + return FALSE; + } + } + else + { + output0->mode = output0->modes[0]; + output1 = NULL; + } + + crtc0 = g_slice_new (CoglKmsCrtc); + crtc0->id = output0->encoder->crtc_id; + crtc0->x = 0; + crtc0->y = 0; + crtc0->mode = output0->mode; + crtc0->connectors = g_new (uint32_t, 1); + crtc0->connectors[0] = output0->connector->connector_id; + crtc0->count = 1; + kms_display->crtcs = g_list_prepend (kms_display->crtcs, crtc0); + + if (output1) + { + crtc1 = g_slice_new (CoglKmsCrtc); + crtc1->id = output1->encoder->crtc_id; + crtc1->x = 0; + crtc1->y = 0; + crtc1->mode = output1->mode; + crtc1->connectors = g_new (uint32_t, 1); + crtc1->connectors[0] = output1->connector->connector_id; + crtc1->count = 1; + kms_display->crtcs = g_list_prepend (kms_display->crtcs, crtc1); + } + + kms_display->width = output0->mode.hdisplay; + kms_display->height = output0->mode.vdisplay; + + /* We defer setting the crtc modes until the first swap_buffers request of a + * CoglOnscreen framebuffer. */ + kms_display->pending_set_crtc = TRUE; + + return TRUE; +} + +static void +output_free (int fd, CoglOutputKMS *output) +{ + if (output->modes) + g_free (output->modes); + + if (output->encoder) + drmModeFreeEncoder (output->encoder); + + if (output->connector) + { + if (output->saved_crtc) + { + int ret = drmModeSetCrtc (fd, + output->saved_crtc->crtc_id, + output->saved_crtc->buffer_id, + output->saved_crtc->x, + output->saved_crtc->y, + &output->connector->connector_id, 1, + &output->saved_crtc->mode); + if (ret) + g_warning (G_STRLOC ": Error restoring saved CRTC"); + } + drmModeFreeConnector (output->connector); + } + + g_slice_free (CoglOutputKMS, output); +} + +static void +_cogl_winsys_egl_display_destroy (CoglDisplay *display) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + GList *l; + + for (l = kms_display->outputs; l; l = l->next) + output_free (kms_renderer->fd, l->data); + g_list_free (kms_display->outputs); + kms_display->outputs = NULL; + + g_list_free_full (kms_display->crtcs, (GDestroyNotify) crtc_free); + + g_slice_free (CoglDisplayKMS, egl_display->platform); +} + +static CoglBool +_cogl_winsys_egl_context_created (CoglDisplay *display, + CoglError **error) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + + if ((egl_renderer->private_features & + COGL_EGL_WINSYS_FEATURE_SURFACELESS_CONTEXT) == 0) + { + kms_display->dummy_gbm_surface = + gbm_surface_create (kms_renderer->gbm, + 16, 16, + GBM_FORMAT_XRGB8888, + GBM_BO_USE_RENDERING); + if (!kms_display->dummy_gbm_surface) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Failed to create dummy GBM surface"); + return FALSE; + } + + egl_display->dummy_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_display->egl_config, + (EGLNativeWindowType) + kms_display->dummy_gbm_surface, + NULL); + if (egl_display->dummy_surface == EGL_NO_SURFACE) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Failed to create dummy EGL surface"); + return FALSE; + } + } + + if (!_cogl_winsys_egl_make_current (display, + egl_display->dummy_surface, + egl_display->dummy_surface, + egl_display->egl_context)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Failed to make context current"); + return FALSE; + } + + return TRUE; +} + +static void +_cogl_winsys_egl_cleanup_context (CoglDisplay *display) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + + if (egl_display->dummy_surface != EGL_NO_SURFACE) + { + eglDestroySurface (egl_renderer->edpy, egl_display->dummy_surface); + egl_display->dummy_surface = EGL_NO_SURFACE; + } + + if (kms_display->dummy_gbm_surface != NULL) + { + gbm_surface_destroy (kms_display->dummy_gbm_surface); + kms_display->dummy_gbm_surface = NULL; + } +} + +static void +_cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglDisplayEGL *egl_display = context->display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenKMS *kms_onscreen = egl_onscreen->platform; + uint32_t handle, stride; + CoglFlipKMS *flip; + + /* If we already have a pending swap then block until it completes */ + while (kms_onscreen->next_fb_id != 0) + handle_drm_event (kms_renderer); + + parent_vtable->onscreen_swap_buffers_with_damage (onscreen, + rectangles, + n_rectangles); + + /* Now we need to set the CRTC to whatever is the front buffer */ + kms_onscreen->next_bo = gbm_surface_lock_front_buffer (kms_onscreen->surface); + +#if (COGL_VERSION_ENCODE (COGL_GBM_MAJOR, COGL_GBM_MINOR, COGL_GBM_MICRO) >= \ + COGL_VERSION_ENCODE (8, 1, 0)) + stride = gbm_bo_get_stride (kms_onscreen->next_bo); +#else + stride = gbm_bo_get_pitch (kms_onscreen->next_bo); +#endif + handle = gbm_bo_get_handle (kms_onscreen->next_bo).u32; + + if (drmModeAddFB (kms_renderer->fd, + kms_display->width, + kms_display->height, + 24, /* depth */ + 32, /* bpp */ + stride, + handle, + &kms_onscreen->next_fb_id)) + { + g_warning ("Failed to create new back buffer handle: %m"); + gbm_surface_release_buffer (kms_onscreen->surface, + kms_onscreen->next_bo); + kms_onscreen->next_bo = NULL; + kms_onscreen->next_fb_id = 0; + return; + } + + /* If this is the first framebuffer to be presented then we now setup the + * crtc modes, else we flip from the previous buffer */ + if (kms_display->pending_set_crtc) + { + setup_crtc_modes (context->display, kms_onscreen->next_fb_id); + kms_display->pending_set_crtc = FALSE; + } + + flip = g_slice_new0 (CoglFlipKMS); + flip->onscreen = onscreen; + + flip_all_crtcs (context->display, flip, kms_onscreen->next_fb_id); + + if (flip->pending == 0) + { + drmModeRmFB (kms_renderer->fd, kms_onscreen->next_fb_id); + gbm_surface_release_buffer (kms_onscreen->surface, + kms_onscreen->next_bo); + kms_onscreen->next_bo = NULL; + kms_onscreen->next_fb_id = 0; + g_slice_free (CoglFlipKMS, flip); + flip = NULL; + + queue_swap_notify_for_onscreen (onscreen); + } + else + { + /* Ensure the onscreen remains valid while it has any pending flips... */ + cogl_object_ref (flip->onscreen); + } +} + +static CoglBool +_cogl_winsys_egl_context_init (CoglContext *context, + CoglError **error) +{ + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_SWAP_BUFFERS_EVENT, TRUE); + /* TODO: remove this deprecated feature */ + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_SWAP_BUFFERS_EVENT, + TRUE); + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT, + TRUE); + + return TRUE; +} + +static CoglBool +_cogl_winsys_onscreen_init (CoglOnscreen *onscreen, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + CoglOnscreenEGL *egl_onscreen; + CoglOnscreenKMS *kms_onscreen; + + _COGL_RETURN_VAL_IF_FAIL (egl_display->egl_context, FALSE); + + if (kms_display->onscreen) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Cannot have multiple onscreens in the KMS platform"); + return FALSE; + } + + kms_display->onscreen = onscreen; + + onscreen->winsys = g_slice_new0 (CoglOnscreenEGL); + egl_onscreen = onscreen->winsys; + + kms_onscreen = g_slice_new0 (CoglOnscreenKMS); + egl_onscreen->platform = kms_onscreen; + + kms_onscreen->surface = + gbm_surface_create (kms_renderer->gbm, + kms_display->width, + kms_display->height, + GBM_BO_FORMAT_XRGB8888, + GBM_BO_USE_SCANOUT | + GBM_BO_USE_RENDERING); + + if (!kms_onscreen->surface) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Failed to allocate surface"); + return FALSE; + } + + egl_onscreen->egl_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_display->egl_config, + (EGLNativeWindowType) kms_onscreen->surface, + NULL); + if (egl_onscreen->egl_surface == EGL_NO_SURFACE) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Failed to allocate surface"); + return FALSE; + } + + _cogl_framebuffer_winsys_update_size (framebuffer, + kms_display->width, + kms_display->height); + + return TRUE; +} + +static void +_cogl_winsys_onscreen_deinit (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenKMS *kms_onscreen; + + /* If we never successfully allocated then there's nothing to do */ + if (egl_onscreen == NULL) + return; + + kms_display->onscreen = NULL; + + kms_onscreen = egl_onscreen->platform; + + /* flip state takes a reference on the onscreen so there should + * never be outstanding flips when we reach here. */ + g_return_if_fail (kms_onscreen->next_fb_id == 0); + + free_current_bo (onscreen); + + if (egl_onscreen->egl_surface != EGL_NO_SURFACE) + { + eglDestroySurface (egl_renderer->edpy, egl_onscreen->egl_surface); + egl_onscreen->egl_surface = EGL_NO_SURFACE; + } + + if (kms_onscreen->surface) + { + gbm_surface_destroy (kms_onscreen->surface); + kms_onscreen->surface = NULL; + } + + g_slice_free (CoglOnscreenKMS, kms_onscreen); + g_slice_free (CoglOnscreenEGL, onscreen->winsys); + onscreen->winsys = NULL; +} + +static const CoglWinsysEGLVtable +_cogl_winsys_egl_vtable = + { + .display_setup = _cogl_winsys_egl_display_setup, + .display_destroy = _cogl_winsys_egl_display_destroy, + .context_created = _cogl_winsys_egl_context_created, + .cleanup_context = _cogl_winsys_egl_cleanup_context, + .context_init = _cogl_winsys_egl_context_init + }; + +const CoglWinsysVtable * +_cogl_winsys_egl_kms_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + if (!vtable_inited) + { + /* The EGL_KMS winsys is a subclass of the EGL winsys so we + start by copying its vtable */ + + parent_vtable = _cogl_winsys_egl_get_vtable (); + vtable = *parent_vtable; + + vtable.id = COGL_WINSYS_ID_EGL_KMS; + vtable.name = "EGL_KMS"; + + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + + vtable.onscreen_init = _cogl_winsys_onscreen_init; + vtable.onscreen_deinit = _cogl_winsys_onscreen_deinit; + + /* The KMS winsys doesn't support swap region */ + vtable.onscreen_swap_region = NULL; + vtable.onscreen_swap_buffers_with_damage = + _cogl_winsys_onscreen_swap_buffers_with_damage; + + vtable_inited = TRUE; + } + + return &vtable; +} + +void +cogl_kms_renderer_set_kms_fd (CoglRenderer *renderer, + int fd) +{ + _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer)); + /* NB: Renderers are considered immutable once connected */ + _COGL_RETURN_IF_FAIL (!renderer->connected); + + renderer->kms_fd = fd; +} + +struct gbm_device * +cogl_kms_renderer_get_gbm (CoglRenderer *renderer) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL); + if (renderer->connected) + { + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + return kms_renderer->gbm; + } + else + return NULL; +} + +int +cogl_kms_renderer_get_kms_fd (CoglRenderer *renderer) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), -1); + + if (renderer->connected) + { + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + return kms_renderer->fd; + } + else + return -1; +} + +void +cogl_kms_display_queue_modes_reset (CoglDisplay *display) +{ + if (display->setup) + { + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + kms_display->pending_set_crtc = TRUE; + } +} + +CoglBool +cogl_kms_display_set_layout (CoglDisplay *display, + int width, + int height, + CoglKmsCrtc **crtcs, + int n_crtcs, + CoglError **error) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererKMS *kms_renderer = egl_renderer->platform; + GList *crtc_list; + int i; + + if ((width != kms_display->width || + height != kms_display->height) && + kms_display->onscreen) + { + CoglOnscreenEGL *egl_onscreen = kms_display->onscreen->winsys; + CoglOnscreenKMS *kms_onscreen = egl_onscreen->platform; + struct gbm_surface *new_surface; + EGLSurface new_egl_surface; + + /* Need to drop the GBM surface and create a new one */ + + new_surface = gbm_surface_create (kms_renderer->gbm, + width, height, + GBM_BO_FORMAT_XRGB8888, + GBM_BO_USE_SCANOUT | + GBM_BO_USE_RENDERING); + + if (!new_surface) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Failed to allocate new surface"); + return FALSE; + } + + new_egl_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_display->egl_config, + (EGLNativeWindowType) new_surface, + NULL); + if (new_egl_surface == EGL_NO_SURFACE) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Failed to allocate new surface"); + gbm_surface_destroy (new_surface); + return FALSE; + } + + eglDestroySurface (egl_renderer->edpy, egl_onscreen->egl_surface); + gbm_surface_destroy (kms_onscreen->surface); + + kms_onscreen->surface = new_surface; + egl_onscreen->egl_surface = new_egl_surface; + + _cogl_framebuffer_winsys_update_size (COGL_FRAMEBUFFER (kms_display->onscreen), width, height); + } + + kms_display->width = width; + kms_display->height = height; + + g_list_free_full (kms_display->crtcs, (GDestroyNotify) crtc_free); + + crtc_list = NULL; + for (i = 0; i < n_crtcs; i++) + { + crtc_list = g_list_prepend (crtc_list, crtc_copy (crtcs[i])); + } + crtc_list = g_list_reverse (crtc_list); + kms_display->crtcs = crtc_list; + + kms_display->pending_set_crtc = TRUE; + + return TRUE; +} + + +void +cogl_kms_display_set_ignore_crtc (CoglDisplay *display, + uint32_t id, + CoglBool ignore) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayKMS *kms_display = egl_display->platform; + GList *l; + + for (l = kms_display->crtcs; l; l = l->next) + { + CoglKmsCrtc *crtc = l->data; + if (crtc->id == id) + { + crtc->ignore = ignore; + break; + } + } +} diff --git a/cogl/winsys/cogl-winsys-egl-null-private.h b/cogl/winsys/cogl-winsys-egl-null-private.h new file mode 100644 index 0000000..aa1119f --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-null-private.h @@ -0,0 +1,39 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_EGL_NULL_PRIVATE_H +#define __COGL_WINSYS_EGL_NULL_PRIVATE_H + +#include "cogl-winsys-private.h" + +const CoglWinsysVtable * +_cogl_winsys_egl_null_get_vtable (void); + +#endif /* __COGL_WINSYS_EGL_NULL_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-egl-null.c b/cogl/winsys/cogl-winsys-egl-null.c new file mode 100644 index 0000000..962d6d1 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-null.c @@ -0,0 +1,246 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-winsys-egl-null-private.h" +#include "cogl-winsys-egl-private.h" +#include "cogl-renderer-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-private.h" + +static const CoglWinsysEGLVtable _cogl_winsys_egl_vtable; + +typedef struct _CoglDisplayNull +{ + int egl_surface_width; + int egl_surface_height; + CoglBool have_onscreen; +} CoglDisplayNull; + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + CoglRendererEGL *egl_renderer = renderer->winsys; + + eglTerminate (egl_renderer->edpy); + + g_slice_free (CoglRendererEGL, egl_renderer); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + CoglRendererEGL *egl_renderer; + + renderer->winsys = g_slice_new0 (CoglRendererEGL); + egl_renderer = renderer->winsys; + + egl_renderer->platform_vtable = &_cogl_winsys_egl_vtable; + + egl_renderer->edpy = eglGetDisplay (EGL_DEFAULT_DISPLAY); + + if (!_cogl_winsys_egl_renderer_connect_common (renderer, error)) + goto error; + + return TRUE; + +error: + _cogl_winsys_renderer_disconnect (renderer); + return FALSE; +} + +static CoglBool +_cogl_winsys_egl_context_created (CoglDisplay *display, + CoglError **error) +{ + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayNull *null_display = egl_display->platform; + const char *error_message; + + egl_display->egl_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_display->egl_config, + (EGLNativeWindowType) NULL, + NULL); + if (egl_display->egl_surface == EGL_NO_SURFACE) + { + error_message = "Unable to create EGL window surface"; + goto fail; + } + + if (!_cogl_winsys_egl_make_current (display, + egl_display->egl_surface, + egl_display->egl_surface, + egl_display->egl_context)) + { + error_message = "Unable to eglMakeCurrent with egl surface"; + goto fail; + } + + eglQuerySurface (egl_renderer->edpy, + egl_display->egl_surface, + EGL_WIDTH, + &null_display->egl_surface_width); + + eglQuerySurface (egl_renderer->edpy, + egl_display->egl_surface, + EGL_HEIGHT, + &null_display->egl_surface_height); + + return TRUE; + + fail: + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "%s", error_message); + return FALSE; +} + +static CoglBool +_cogl_winsys_egl_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayNull *null_display; + + null_display = g_slice_new0 (CoglDisplayNull); + egl_display->platform = null_display; + + return TRUE; +} + +static void +_cogl_winsys_egl_display_destroy (CoglDisplay *display) +{ + CoglDisplayEGL *egl_display = display->winsys; + + g_slice_free (CoglDisplayNull, egl_display->platform); +} + +static void +_cogl_winsys_egl_cleanup_context (CoglDisplay *display) +{ + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglDisplayEGL *egl_display = display->winsys; + + if (egl_display->egl_surface != EGL_NO_SURFACE) + { + eglDestroySurface (egl_renderer->edpy, egl_display->egl_surface); + egl_display->egl_surface = EGL_NO_SURFACE; + } +} + +static CoglBool +_cogl_winsys_egl_onscreen_init (CoglOnscreen *onscreen, + EGLConfig egl_config, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayNull *null_display = egl_display->platform; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + + if (null_display->have_onscreen) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "EGL platform only supports a single onscreen window"); + return FALSE; + } + + egl_onscreen->egl_surface = egl_display->egl_surface; + + _cogl_framebuffer_winsys_update_size (framebuffer, + null_display->egl_surface_width, + null_display->egl_surface_height); + null_display->have_onscreen = TRUE; + + return TRUE; +} + +static void +_cogl_winsys_egl_onscreen_deinit (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayNull *null_display = egl_display->platform; + + null_display->have_onscreen = FALSE; +} + +static const CoglWinsysEGLVtable +_cogl_winsys_egl_vtable = + { + .display_setup = _cogl_winsys_egl_display_setup, + .display_destroy = _cogl_winsys_egl_display_destroy, + .context_created = _cogl_winsys_egl_context_created, + .cleanup_context = _cogl_winsys_egl_cleanup_context, + .onscreen_init = _cogl_winsys_egl_onscreen_init, + .onscreen_deinit = _cogl_winsys_egl_onscreen_deinit + }; + +const CoglWinsysVtable * +_cogl_winsys_egl_null_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + if (!vtable_inited) + { + /* The EGL_NULL winsys is a subclass of the EGL winsys so we + start by copying its vtable */ + + vtable = *_cogl_winsys_egl_get_vtable (); + + vtable.id = COGL_WINSYS_ID_EGL_NULL; + vtable.name = "EGL_NULL"; + + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + + vtable_inited = TRUE; + } + + return &vtable; +} diff --git a/cogl/winsys/cogl-winsys-egl-private.h b/cogl/winsys/cogl-winsys-egl-private.h new file mode 100644 index 0000000..5d21b4f --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-private.h @@ -0,0 +1,203 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_EGL_PRIVATE_H +#define __COGL_WINSYS_EGL_PRIVATE_H + +#include "cogl-defines.h" +#include "cogl-winsys-private.h" +#include "cogl-context.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer-private.h" + +/* XXX: depending on what version of Mesa you have then + * eglQueryWaylandBuffer may take a wl_buffer or wl_resource argument + * and the EGL header will only forward declare the corresponding + * type. + * + * The use of wl_buffer has been deprecated and so internally we + * assume that eglQueryWaylandBuffer takes a wl_resource but for + * compatibility we forward declare wl_resource in case we are + * building with EGL headers that still use wl_buffer. + * + * Placing the forward declaration here means it comes before we + * #include cogl-winsys-egl-feature-functions.h bellow which + * declares lots of function pointers for accessing EGL extensions + * and cogl-winsys-egl.c will include this header before it also + * includes cogl-winsys-egl-feature-functions.h that may depend + * on this type. + */ +#ifdef EGL_WL_bind_wayland_display +struct wl_resource; +#endif + +typedef struct _CoglWinsysEGLVtable +{ + CoglBool + (* display_setup) (CoglDisplay *display, + CoglError **error); + void + (* display_destroy) (CoglDisplay *display); + + CoglBool + (* context_created) (CoglDisplay *display, + CoglError **error); + + void + (* cleanup_context) (CoglDisplay *display); + + CoglBool + (* context_init) (CoglContext *context, CoglError **error); + + void + (* context_deinit) (CoglContext *context); + + CoglBool + (* onscreen_init) (CoglOnscreen *onscreen, + EGLConfig config, + CoglError **error); + void + (* onscreen_deinit) (CoglOnscreen *onscreen); + + int + (* add_config_attributes) (CoglDisplay *display, + CoglFramebufferConfig *config, + EGLint *attributes); +} CoglWinsysEGLVtable; + +typedef enum _CoglEGLWinsysFeature +{ + COGL_EGL_WINSYS_FEATURE_SWAP_REGION =1L<<0, + COGL_EGL_WINSYS_FEATURE_EGL_IMAGE_FROM_X11_PIXMAP =1L<<1, + COGL_EGL_WINSYS_FEATURE_EGL_IMAGE_FROM_WAYLAND_BUFFER =1L<<2, + COGL_EGL_WINSYS_FEATURE_CREATE_CONTEXT =1L<<3, + COGL_EGL_WINSYS_FEATURE_BUFFER_AGE =1L<<4, + COGL_EGL_WINSYS_FEATURE_FENCE_SYNC =1L<<5, + COGL_EGL_WINSYS_FEATURE_SURFACELESS_CONTEXT =1L<<6 +} CoglEGLWinsysFeature; + +typedef struct _CoglRendererEGL +{ + CoglEGLWinsysFeature private_features; + + EGLDisplay edpy; + + EGLint egl_version_major; + EGLint egl_version_minor; + + CoglClosure *resize_notify_idle; + + /* Data specific to the EGL platform */ + void *platform; + /* vtable for platform specific parts */ + const CoglWinsysEGLVtable *platform_vtable; + + /* Function pointers for EGL specific extensions */ +#define COGL_WINSYS_FEATURE_BEGIN(a, b, c, d) + +#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) \ + ret (APIENTRY * pf_ ## name) args; + +#define COGL_WINSYS_FEATURE_END() + +#include "cogl-winsys-egl-feature-functions.h" + +#undef COGL_WINSYS_FEATURE_BEGIN +#undef COGL_WINSYS_FEATURE_FUNCTION +#undef COGL_WINSYS_FEATURE_END +} CoglRendererEGL; + +typedef struct _CoglDisplayEGL +{ + EGLContext egl_context; + EGLSurface dummy_surface; + EGLSurface egl_surface; + + EGLConfig egl_config; + CoglBool found_egl_config; + + EGLSurface current_read_surface; + EGLSurface current_draw_surface; + EGLContext current_context; + + /* Platform specific display data */ + void *platform; +} CoglDisplayEGL; + +typedef struct _CoglContextEGL +{ + EGLSurface saved_draw_surface; + EGLSurface saved_read_surface; +} CoglContextEGL; + +typedef struct _CoglOnscreenEGL +{ + EGLSurface egl_surface; + + CoglBool pending_resize_notify; + + /* Platform specific data */ + void *platform; +} CoglOnscreenEGL; + +const CoglWinsysVtable * +_cogl_winsys_egl_get_vtable (void); + +EGLBoolean +_cogl_winsys_egl_make_current (CoglDisplay *display, + EGLSurface draw, + EGLSurface read, + EGLContext context); + +#ifdef EGL_KHR_image_base +EGLImageKHR +_cogl_egl_create_image (CoglContext *ctx, + EGLenum target, + EGLClientBuffer buffer, + const EGLint *attribs); + +void +_cogl_egl_destroy_image (CoglContext *ctx, + EGLImageKHR image); +#endif + +#ifdef EGL_WL_bind_wayland_display +CoglBool +_cogl_egl_query_wayland_buffer (CoglContext *ctx, + struct wl_resource *buffer, + int attribute, + int *value); +#endif + +CoglBool +_cogl_winsys_egl_renderer_connect_common (CoglRenderer *renderer, + CoglError **error); + +#endif /* __COGL_WINSYS_EGL_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-egl-wayland-private.h b/cogl/winsys/cogl-winsys-egl-wayland-private.h new file mode 100644 index 0000000..55012c8 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-wayland-private.h @@ -0,0 +1,39 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_EGL_WAYLAND_PRIVATE_H +#define __COGL_WINSYS_EGL_WAYLAND_PRIVATE_H + +#include "cogl-winsys-private.h" + +const CoglWinsysVtable * +_cogl_winsys_egl_wayland_get_vtable (void); + +#endif /* __COGL_WINSYS_EGL_WAYLAND_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-egl-wayland.c b/cogl/winsys/cogl-winsys-egl-wayland.c new file mode 100644 index 0000000..93a8451 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-wayland.c @@ -0,0 +1,844 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include +#include + +#include "cogl-winsys-egl-wayland-private.h" +#include "cogl-winsys-egl-private.h" +#include "cogl-renderer-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-wayland-renderer.h" +#include "cogl-error-private.h" +#include "cogl-poll-private.h" +#include "cogl-frame-info-private.h" + +static const CoglWinsysEGLVtable _cogl_winsys_egl_vtable; + +static const CoglWinsysVtable *parent_vtable; + +typedef struct _CoglRendererWayland +{ + struct wl_display *wayland_display; + struct wl_compositor *wayland_compositor; + struct wl_shell *wayland_shell; + struct wl_registry *wayland_registry; + int fd; +} CoglRendererWayland; + +typedef struct _CoglDisplayWayland +{ + struct wl_surface *dummy_wayland_surface; + struct wl_egl_window *dummy_wayland_egl_native_window; +} CoglDisplayWayland; + +typedef struct _CoglOnscreenWayland +{ + struct wl_egl_window *wayland_egl_native_window; + struct wl_surface *wayland_surface; + struct wl_shell_surface *wayland_shell_surface; + + /* Resizing a wayland framebuffer doesn't take affect + * until the next swap buffers request, so we have to + * track the resize geometry until then... */ + int pending_width; + int pending_height; + int pending_dx; + int pending_dy; + CoglBool has_pending; + + CoglBool shell_surface_type_set; + + CoglList frame_callbacks; +} CoglOnscreenWayland; + +typedef struct +{ + CoglList link; + CoglFrameInfo *frame_info; + struct wl_callback *callback; + CoglOnscreen *onscreen; +} FrameCallbackData; + +static void +registry_handle_global_cb (void *data, + struct wl_registry *registry, + uint32_t id, + const char *interface, + uint32_t version) +{ + CoglRendererEGL *egl_renderer = (CoglRendererEGL *)data; + CoglRendererWayland *wayland_renderer = egl_renderer->platform; + + if (strcmp (interface, "wl_compositor") == 0) + wayland_renderer->wayland_compositor = + wl_registry_bind (registry, id, &wl_compositor_interface, 1); + else if (strcmp(interface, "wl_shell") == 0) + wayland_renderer->wayland_shell = + wl_registry_bind (registry, id, &wl_shell_interface, 1); +} + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererWayland *wayland_renderer = egl_renderer->platform; + + if (egl_renderer->edpy) + eglTerminate (egl_renderer->edpy); + + if (wayland_renderer->wayland_display) + { + _cogl_poll_renderer_remove_fd (renderer, wayland_renderer->fd); + + if (renderer->foreign_wayland_display == NULL) + wl_display_disconnect (wayland_renderer->wayland_display); + } + + g_slice_free (CoglRendererWayland, egl_renderer->platform); + g_slice_free (CoglRendererEGL, egl_renderer); +} + +static const struct wl_registry_listener registry_listener = { + registry_handle_global_cb, +}; + +static int64_t +prepare_wayland_display_events (void *user_data) +{ + CoglRenderer *renderer = user_data; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererWayland *wayland_renderer = egl_renderer->platform; + int flush_ret; + + flush_ret = wl_display_flush (wayland_renderer->wayland_display); + + if (flush_ret == -1) + { + /* If the socket buffer became full then we need to wake up the + * main loop once it is writable again */ + if (errno == EAGAIN) + { + _cogl_poll_renderer_modify_fd (renderer, + wayland_renderer->fd, + COGL_POLL_FD_EVENT_IN | + COGL_POLL_FD_EVENT_OUT); + } + else if (errno != EINTR) + { + /* If the flush failed for some other reason then it's + * likely that it's going to consistently fail so we'll stop + * waiting on the file descriptor instead of making the + * application take up 100% CPU. FIXME: it would be nice if + * there was some way to report this to the application so + * that it can quit or recover */ + _cogl_poll_renderer_remove_fd (renderer, wayland_renderer->fd); + } + } + + /* Calling this here is a bit dodgy because Cogl usually tries to + * say that it won't do any event processing until + * cogl_poll_renderer_dispatch is called. However Wayland doesn't + * seem to provide any way to query whether the event queue is empty + * and we would need to do that in order to force the main loop to + * wake up to call it from dispatch. */ + wl_display_dispatch_pending (wayland_renderer->wayland_display); + + return -1; +} + +static void +dispatch_wayland_display_events (void *user_data, int revents) +{ + CoglRenderer *renderer = user_data; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererWayland *wayland_renderer = egl_renderer->platform; + + if ((revents & COGL_POLL_FD_EVENT_IN)) + { + if (wl_display_dispatch (wayland_renderer->wayland_display) == -1 && + errno != EAGAIN && + errno != EINTR) + goto socket_error; + } + + if ((revents & COGL_POLL_FD_EVENT_OUT)) + { + int ret = wl_display_flush (wayland_renderer->wayland_display); + + if (ret == -1) + { + if (errno != EAGAIN && errno != EINTR) + goto socket_error; + } + else + { + /* There is no more data to write so we don't need to wake + * up when the write buffer is emptied anymore */ + _cogl_poll_renderer_modify_fd (renderer, + wayland_renderer->fd, + COGL_POLL_FD_EVENT_IN); + } + } + + return; + + socket_error: + /* If there was an error on the wayland socket then it's likely that + * it's going to consistently fail so we'll stop waiting on the file + * descriptor instead of making the application take up 100% CPU. + * FIXME: it would be nice if there was some way to report this to + * the application so that it can quit or recover */ + _cogl_poll_renderer_remove_fd (renderer, wayland_renderer->fd); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + CoglRendererEGL *egl_renderer; + CoglRendererWayland *wayland_renderer; + + renderer->winsys = g_slice_new0 (CoglRendererEGL); + egl_renderer = renderer->winsys; + wayland_renderer = g_slice_new0 (CoglRendererWayland); + egl_renderer->platform = wayland_renderer; + + egl_renderer->platform_vtable = &_cogl_winsys_egl_vtable; + + if (renderer->foreign_wayland_display) + { + wayland_renderer->wayland_display = renderer->foreign_wayland_display; + } + else + { + wayland_renderer->wayland_display = wl_display_connect (NULL); + if (!wayland_renderer->wayland_display) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Failed to connect wayland display"); + goto error; + } + } + + wayland_renderer->wayland_registry = + wl_display_get_registry (wayland_renderer->wayland_display); + + wl_registry_add_listener (wayland_renderer->wayland_registry, + ®istry_listener, + egl_renderer); + + /* + * Ensure that that we've received the messages setting up the + * compostor and shell object. + */ + wl_display_roundtrip (wayland_renderer->wayland_display); + if (!wayland_renderer->wayland_compositor || !wayland_renderer->wayland_shell) + { + _cogl_set_error (error, + COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Unable to find wl_compositor or wl_shell"); + goto error; + } + + egl_renderer->edpy = + eglGetDisplay ((EGLNativeDisplayType) wayland_renderer->wayland_display); + + if (!_cogl_winsys_egl_renderer_connect_common (renderer, error)) + goto error; + + wayland_renderer->fd = wl_display_get_fd (wayland_renderer->wayland_display); + + if (renderer->wayland_enable_event_dispatch) + _cogl_poll_renderer_add_fd (renderer, + wayland_renderer->fd, + COGL_POLL_FD_EVENT_IN, + prepare_wayland_display_events, + dispatch_wayland_display_events, + renderer); + + return TRUE; + +error: + _cogl_winsys_renderer_disconnect (renderer); + return FALSE; +} + +static CoglBool +_cogl_winsys_egl_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayWayland *wayland_display; + + wayland_display = g_slice_new0 (CoglDisplayWayland); + egl_display->platform = wayland_display; + + return TRUE; +} + +static void +_cogl_winsys_egl_display_destroy (CoglDisplay *display) +{ + CoglDisplayEGL *egl_display = display->winsys; + + g_slice_free (CoglDisplayWayland, egl_display->platform); +} + +static CoglBool +make_dummy_surface (CoglDisplay *display, + CoglError **error) +{ + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererWayland *wayland_renderer = egl_renderer->platform; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayWayland *wayland_display = egl_display->platform; + const char *error_message; + + wayland_display->dummy_wayland_surface = + wl_compositor_create_surface (wayland_renderer->wayland_compositor); + if (!wayland_display->dummy_wayland_surface) + { + error_message= "Failed to create a dummy wayland surface"; + goto fail; + } + + wayland_display->dummy_wayland_egl_native_window = + wl_egl_window_create (wayland_display->dummy_wayland_surface, + 1, + 1); + if (!wayland_display->dummy_wayland_egl_native_window) + { + error_message= "Failed to create a dummy wayland native egl surface"; + goto fail; + } + + egl_display->dummy_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_display->egl_config, + (EGLNativeWindowType) + wayland_display->dummy_wayland_egl_native_window, + NULL); + if (egl_display->dummy_surface == EGL_NO_SURFACE) + { + error_message= "Unable to create dummy window surface"; + goto fail; + } + + return TRUE; + + fail: + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "%s", error_message); + + return FALSE; +} + +static CoglBool +_cogl_winsys_egl_context_created (CoglDisplay *display, + CoglError **error) +{ + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglDisplayEGL *egl_display = display->winsys; + + if ((egl_renderer->private_features & + COGL_EGL_WINSYS_FEATURE_SURFACELESS_CONTEXT) == 0 && + !make_dummy_surface(display, error)) + return FALSE; + + if (!_cogl_winsys_egl_make_current (display, + egl_display->dummy_surface, + egl_display->dummy_surface, + egl_display->egl_context)) + { + _cogl_set_error (error, + COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "%s", + "Unable to eglMakeCurrent with dummy surface"); + } + + return TRUE; +} + +static void +_cogl_winsys_egl_cleanup_context (CoglDisplay *display) +{ + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayWayland *wayland_display = egl_display->platform; + + if (egl_display->dummy_surface != EGL_NO_SURFACE) + { + eglDestroySurface (egl_renderer->edpy, egl_display->dummy_surface); + egl_display->dummy_surface = EGL_NO_SURFACE; + } + + if (wayland_display->dummy_wayland_egl_native_window) + { + wl_egl_window_destroy (wayland_display->dummy_wayland_egl_native_window); + wayland_display->dummy_wayland_egl_native_window = NULL; + } + + if (wayland_display->dummy_wayland_surface) + { + wl_surface_destroy (wayland_display->dummy_wayland_surface); + wayland_display->dummy_wayland_surface = NULL; + } +} + +static CoglBool +_cogl_winsys_egl_context_init (CoglContext *context, + CoglError **error) +{ + context->feature_flags |= COGL_FEATURE_ONSCREEN_MULTIPLE; + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_ONSCREEN_MULTIPLE, TRUE); + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_MULTIPLE_ONSCREEN, + TRUE); + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT, + TRUE); + + /* We'll manually handle queueing dirty events when the surface is + * first shown or when it is resized. Note that this is slightly + * different from the emulated behaviour that CoglFramebuffer would + * provide if we didn't set this flag because we want to emit the + * event on show instead of on allocation. The Wayland protocol + * delays setting the surface type until the next buffer is attached + * so attaching a buffer before setting the type would not cause + * anything to be displayed */ + COGL_FLAGS_SET (context->private_features, + COGL_PRIVATE_FEATURE_DIRTY_EVENTS, + TRUE); + + return TRUE; +} + +static CoglBool +_cogl_winsys_egl_onscreen_init (CoglOnscreen *onscreen, + EGLConfig egl_config, + CoglError **error) +{ + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenWayland *wayland_onscreen; + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererWayland *wayland_renderer = egl_renderer->platform; + + wayland_onscreen = g_slice_new0 (CoglOnscreenWayland); + egl_onscreen->platform = wayland_onscreen; + + _cogl_list_init (&wayland_onscreen->frame_callbacks); + + if (onscreen->foreign_surface) + wayland_onscreen->wayland_surface = onscreen->foreign_surface; + else + wayland_onscreen->wayland_surface = + wl_compositor_create_surface (wayland_renderer->wayland_compositor); + + if (!wayland_onscreen->wayland_surface) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Error while creating wayland surface for CoglOnscreen"); + return FALSE; + } + + wayland_onscreen->wayland_egl_native_window = + wl_egl_window_create (wayland_onscreen->wayland_surface, + cogl_framebuffer_get_width (framebuffer), + cogl_framebuffer_get_height (framebuffer)); + if (!wayland_onscreen->wayland_egl_native_window) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Error while creating wayland egl native window " + "for CoglOnscreen"); + return FALSE; + } + + egl_onscreen->egl_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_config, + (EGLNativeWindowType) + wayland_onscreen->wayland_egl_native_window, + NULL); + + if (!onscreen->foreign_surface) + wayland_onscreen->wayland_shell_surface = + wl_shell_get_shell_surface (wayland_renderer->wayland_shell, + wayland_onscreen->wayland_surface); + + return TRUE; +} + +static void +free_frame_callback_data (FrameCallbackData *callback_data) +{ + cogl_object_unref (callback_data->frame_info); + wl_callback_destroy (callback_data->callback); + _cogl_list_remove (&callback_data->link); + g_slice_free (FrameCallbackData, callback_data); +} + +static void +_cogl_winsys_egl_onscreen_deinit (CoglOnscreen *onscreen) +{ + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenWayland *wayland_onscreen = egl_onscreen->platform; + FrameCallbackData *frame_callback_data, *tmp; + + _cogl_list_for_each_safe (frame_callback_data, + tmp, + &wayland_onscreen->frame_callbacks, + link) + free_frame_callback_data (frame_callback_data); + + if (wayland_onscreen->wayland_egl_native_window) + { + wl_egl_window_destroy (wayland_onscreen->wayland_egl_native_window); + wayland_onscreen->wayland_egl_native_window = NULL; + } + + if (!onscreen->foreign_surface) + { + /* NB: The wayland protocol docs explicitly state that + * "wl_shell_surface_destroy() must be called before destroying + * the wl_surface object." ... */ + if (wayland_onscreen->wayland_shell_surface) + { + wl_shell_surface_destroy (wayland_onscreen->wayland_shell_surface); + wayland_onscreen->wayland_shell_surface = NULL; + } + + if (wayland_onscreen->wayland_surface) + { + wl_surface_destroy (wayland_onscreen->wayland_surface); + wayland_onscreen->wayland_surface = NULL; + } + } + + g_slice_free (CoglOnscreenWayland, wayland_onscreen); +} + +static void +flush_pending_resize (CoglOnscreen *onscreen) +{ + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenWayland *wayland_onscreen = egl_onscreen->platform; + + if (wayland_onscreen->has_pending) + { + wl_egl_window_resize (wayland_onscreen->wayland_egl_native_window, + wayland_onscreen->pending_width, + wayland_onscreen->pending_height, + wayland_onscreen->pending_dx, + wayland_onscreen->pending_dy); + + _cogl_framebuffer_winsys_update_size (COGL_FRAMEBUFFER (onscreen), + wayland_onscreen->pending_width, + wayland_onscreen->pending_height); + + _cogl_onscreen_queue_full_dirty (onscreen); + + wayland_onscreen->pending_dx = 0; + wayland_onscreen->pending_dy = 0; + wayland_onscreen->has_pending = FALSE; + } +} + +static void +frame_cb (void *data, + struct wl_callback *callback, + uint32_t time) +{ + FrameCallbackData *callback_data = data; + CoglFrameInfo *info = callback_data->frame_info; + CoglOnscreen *onscreen = callback_data->onscreen; + + g_assert (callback_data->callback == callback); + + _cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_SYNC, info); + _cogl_onscreen_queue_event (onscreen, COGL_FRAME_EVENT_COMPLETE, info); + + free_frame_callback_data (callback_data); +} + +static const struct wl_callback_listener +frame_listener = +{ + frame_cb +}; + +static void +_cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenWayland *wayland_onscreen = egl_onscreen->platform; + FrameCallbackData *frame_callback_data = g_slice_new (FrameCallbackData); + + flush_pending_resize (onscreen); + + /* Before calling the winsys function, + * cogl_onscreen_swap_buffers_with_damage() will have pushed the + * frame info object onto the end of the pending frames. We can grab + * it out of the queue now because we don't care about the order and + * we will just directly queue the event corresponding to the exact + * frame that Wayland reports as completed. This will steal the + * reference */ + frame_callback_data->frame_info = + g_queue_pop_tail (&onscreen->pending_frame_infos); + frame_callback_data->onscreen = onscreen; + + frame_callback_data->callback = + wl_surface_frame (wayland_onscreen->wayland_surface); + wl_callback_add_listener (frame_callback_data->callback, + &frame_listener, + frame_callback_data); + + _cogl_list_insert (&wayland_onscreen->frame_callbacks, + &frame_callback_data->link); + + parent_vtable->onscreen_swap_buffers_with_damage (onscreen, + rectangles, + n_rectangles); +} + +static void +_cogl_winsys_onscreen_set_visibility (CoglOnscreen *onscreen, + CoglBool visibility) +{ + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenWayland *wayland_onscreen = egl_onscreen->platform; + + /* The first time the onscreen is shown we will set it to toplevel + * so that it will appear on the screen. If the surface is foreign + * then we won't have the shell surface and we'll just let the + * application deal with setting the surface type. */ + if (visibility && + wayland_onscreen->wayland_shell_surface && + !wayland_onscreen->shell_surface_type_set) + { + wl_shell_surface_set_toplevel (wayland_onscreen->wayland_shell_surface); + wayland_onscreen->shell_surface_type_set = TRUE; + _cogl_onscreen_queue_full_dirty (onscreen); + } + + /* FIXME: We should also do something here to hide the surface when + * visilibity == FALSE. It sounds like there are currently ongoing + * discussions about adding support for hiding surfaces in the + * Wayland protocol so we might as well wait until then to add that + * here. */ +} + +void +cogl_wayland_renderer_set_foreign_display (CoglRenderer *renderer, + struct wl_display *display) +{ + _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer)); + + /* NB: Renderers are considered immutable once connected */ + _COGL_RETURN_IF_FAIL (!renderer->connected); + + renderer->foreign_wayland_display = display; +} + +void +cogl_wayland_renderer_set_event_dispatch_enabled (CoglRenderer *renderer, + CoglBool enable) +{ + _COGL_RETURN_IF_FAIL (cogl_is_renderer (renderer)); + /* NB: Renderers are considered immutable once connected */ + _COGL_RETURN_IF_FAIL (!renderer->connected); + + renderer->wayland_enable_event_dispatch = enable; +} + +struct wl_display * +cogl_wayland_renderer_get_display (CoglRenderer *renderer) +{ + _COGL_RETURN_VAL_IF_FAIL (cogl_is_renderer (renderer), NULL); + + if (renderer->foreign_wayland_display) + return renderer->foreign_wayland_display; + else if (renderer->connected) + { + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglRendererWayland *wayland_renderer = egl_renderer->platform; + return wayland_renderer->wayland_display; + } + else + return NULL; +} + +struct wl_surface * +cogl_wayland_onscreen_get_surface (CoglOnscreen *onscreen) +{ + CoglOnscreenEGL *egl_onscreen; + CoglOnscreenWayland *wayland_onscreen; + + cogl_framebuffer_allocate (COGL_FRAMEBUFFER (onscreen), NULL); + + egl_onscreen = onscreen->winsys; + wayland_onscreen = egl_onscreen->platform; + + return wayland_onscreen->wayland_surface; +} + +struct wl_shell_surface * +cogl_wayland_onscreen_get_shell_surface (CoglOnscreen *onscreen) +{ + CoglOnscreenEGL *egl_onscreen; + CoglOnscreenWayland *wayland_onscreen; + + cogl_framebuffer_allocate (COGL_FRAMEBUFFER (onscreen), NULL); + + egl_onscreen = onscreen->winsys; + wayland_onscreen = egl_onscreen->platform; + + return wayland_onscreen->wayland_shell_surface; +} + +void +cogl_wayland_onscreen_set_foreign_surface (CoglOnscreen *onscreen, + struct wl_surface *surface) +{ + CoglFramebuffer *fb; + + fb = COGL_FRAMEBUFFER (onscreen); + _COGL_RETURN_IF_FAIL (!fb->allocated); + + onscreen->foreign_surface = surface; +} + +void +cogl_wayland_onscreen_resize (CoglOnscreen *onscreen, + int width, + int height, + int offset_x, + int offset_y) +{ + CoglFramebuffer *fb; + + fb = COGL_FRAMEBUFFER (onscreen); + if (fb->allocated) + { + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenWayland *wayland_onscreen = egl_onscreen->platform; + + if (cogl_framebuffer_get_width (fb) != width || + cogl_framebuffer_get_height (fb) != height || + offset_x || + offset_y) + { + wayland_onscreen->pending_width = width; + wayland_onscreen->pending_height = height; + wayland_onscreen->pending_dx += offset_x; + wayland_onscreen->pending_dy += offset_y; + wayland_onscreen->has_pending = TRUE; + + /* If nothing has been drawn to the framebuffer since the + * last swap then wl_egl_window_resize will take effect + * immediately. Otherwise it might not take effect until the + * next swap, depending on the version of Mesa. To keep + * consistent behaviour we'll delay the resize until the + * next swap unless we're sure nothing has been drawn */ + if (!fb->mid_scene) + flush_pending_resize (onscreen); + } + } + else + _cogl_framebuffer_winsys_update_size (fb, width, height); +} + +static const CoglWinsysEGLVtable +_cogl_winsys_egl_vtable = + { + .display_setup = _cogl_winsys_egl_display_setup, + .display_destroy = _cogl_winsys_egl_display_destroy, + .context_created = _cogl_winsys_egl_context_created, + .cleanup_context = _cogl_winsys_egl_cleanup_context, + .context_init = _cogl_winsys_egl_context_init, + .onscreen_init = _cogl_winsys_egl_onscreen_init, + .onscreen_deinit = _cogl_winsys_egl_onscreen_deinit + }; + +const CoglWinsysVtable * +_cogl_winsys_egl_wayland_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + if (!vtable_inited) + { + /* The EGL_WAYLAND winsys is a subclass of the EGL winsys so we + start by copying its vtable */ + + parent_vtable = _cogl_winsys_egl_get_vtable (); + vtable = *parent_vtable; + + vtable.id = COGL_WINSYS_ID_EGL_WAYLAND; + vtable.name = "EGL_WAYLAND"; + + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + + vtable.onscreen_swap_buffers_with_damage = + _cogl_winsys_onscreen_swap_buffers_with_damage; + + vtable.onscreen_set_visibility = + _cogl_winsys_onscreen_set_visibility; + + vtable_inited = TRUE; + } + + return &vtable; +} diff --git a/cogl/winsys/cogl-winsys-egl-x11-private.h b/cogl/winsys/cogl-winsys-egl-x11-private.h new file mode 100644 index 0000000..206d485 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-x11-private.h @@ -0,0 +1,39 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_EGL_X11_PRIVATE_H +#define __COGL_WINSYS_EGL_X11_PRIVATE_H + +#include "cogl-winsys-private.h" + +const CoglWinsysVtable * +_cogl_winsys_egl_xlib_get_vtable (void); + +#endif /* __COGL_WINSYS_EGL_X11_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-egl-x11.c b/cogl/winsys/cogl-winsys-egl-x11.c new file mode 100644 index 0000000..26c9606 --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl-x11.c @@ -0,0 +1,874 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-winsys-egl-x11-private.h" +#include "cogl-winsys-egl-private.h" +#include "cogl-xlib-renderer-private.h" +#include "cogl-xlib-renderer.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-display-private.h" +#include "cogl-renderer-private.h" + +#include "cogl-texture-pixmap-x11-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-error-private.h" +#include "cogl-poll-private.h" + +#define COGL_ONSCREEN_X11_EVENT_MASK (StructureNotifyMask | ExposureMask) + +static const CoglWinsysEGLVtable _cogl_winsys_egl_vtable; + +typedef struct _CoglDisplayXlib +{ + Window dummy_xwin; +} CoglDisplayXlib; + +typedef struct _CoglOnscreenXlib +{ + Window xwin; + CoglBool is_foreign_xwin; +} CoglOnscreenXlib; + +#ifdef EGL_KHR_image_pixmap +typedef struct _CoglTexturePixmapEGL +{ + EGLImageKHR image; + CoglTexture *texture; +} CoglTexturePixmapEGL; +#endif + +static CoglOnscreen * +find_onscreen_for_xid (CoglContext *context, uint32_t xid) +{ + GList *l; + + for (l = context->framebuffers; l; l = l->next) + { + CoglFramebuffer *framebuffer = l->data; + CoglOnscreenEGL *egl_onscreen; + CoglOnscreenXlib *xlib_onscreen; + + if (!framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN) + continue; + + egl_onscreen = COGL_ONSCREEN (framebuffer)->winsys; + xlib_onscreen = egl_onscreen->platform; + if (xlib_onscreen->xwin == (Window)xid) + return COGL_ONSCREEN (framebuffer); + } + + return NULL; +} + +static void +flush_pending_resize_notifications_cb (void *data, + void *user_data) +{ + CoglFramebuffer *framebuffer = data; + + if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN) + { + CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer); + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + + if (egl_onscreen->pending_resize_notify) + { + _cogl_onscreen_notify_resize (onscreen); + egl_onscreen->pending_resize_notify = FALSE; + } + } +} + +static void +flush_pending_resize_notifications_idle (void *user_data) +{ + CoglContext *context = user_data; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + + /* This needs to be disconnected before invoking the callbacks in + * case the callbacks cause it to be queued again */ + _cogl_closure_disconnect (egl_renderer->resize_notify_idle); + egl_renderer->resize_notify_idle = NULL; + + g_list_foreach (context->framebuffers, + flush_pending_resize_notifications_cb, + NULL); +} + +static void +notify_resize (CoglContext *context, + Window drawable, + int width, + int height) +{ + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglOnscreen *onscreen = find_onscreen_for_xid (context, drawable); + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglOnscreenEGL *egl_onscreen; + + if (!onscreen) + return; + + egl_onscreen = onscreen->winsys; + + _cogl_framebuffer_winsys_update_size (framebuffer, width, height); + + /* We only want to notify that a resize happened when the + * application calls cogl_context_dispatch so instead of immediately + * notifying we queue an idle callback */ + if (!egl_renderer->resize_notify_idle) + { + egl_renderer->resize_notify_idle = + _cogl_poll_renderer_add_idle (renderer, + flush_pending_resize_notifications_idle, + context, + NULL); + } + + egl_onscreen->pending_resize_notify = TRUE; +} + +static CoglFilterReturn +event_filter_cb (XEvent *xevent, void *data) +{ + CoglContext *context = data; + + if (xevent->type == ConfigureNotify) + { + notify_resize (context, + xevent->xconfigure.window, + xevent->xconfigure.width, + xevent->xconfigure.height); + } + else if (xevent->type == Expose) + { + CoglOnscreen *onscreen = + find_onscreen_for_xid (context, xevent->xexpose.window); + + if (onscreen) + { + CoglOnscreenDirtyInfo info; + + info.x = xevent->xexpose.x; + info.y = xevent->xexpose.y; + info.width = xevent->xexpose.width; + info.height = xevent->xexpose.height; + + _cogl_onscreen_queue_dirty (onscreen, &info); + } + } + + return COGL_FILTER_CONTINUE; +} + +static XVisualInfo * +get_visual_info (CoglDisplay *display, EGLConfig egl_config) +{ + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (display->renderer); + CoglRendererEGL *egl_renderer = display->renderer->winsys; + XVisualInfo visinfo_template; + int template_mask = 0; + XVisualInfo *visinfo = NULL; + int visinfos_count; + EGLint visualid, red_size, green_size, blue_size, alpha_size; + + eglGetConfigAttrib (egl_renderer->edpy, egl_config, + EGL_NATIVE_VISUAL_ID, &visualid); + + if (visualid != 0) + { + visinfo_template.visualid = visualid; + template_mask |= VisualIDMask; + } + else + { + /* some EGL drivers don't implement the EGL_NATIVE_VISUAL_ID + * attribute, so attempt to find the closest match. */ + + eglGetConfigAttrib (egl_renderer->edpy, egl_config, + EGL_RED_SIZE, &red_size); + eglGetConfigAttrib (egl_renderer->edpy, egl_config, + EGL_GREEN_SIZE, &green_size); + eglGetConfigAttrib (egl_renderer->edpy, egl_config, + EGL_BLUE_SIZE, &blue_size); + eglGetConfigAttrib (egl_renderer->edpy, egl_config, + EGL_ALPHA_SIZE, &alpha_size); + + visinfo_template.depth = red_size + green_size + blue_size + alpha_size; + template_mask |= VisualDepthMask; + + visinfo_template.screen = DefaultScreen (xlib_renderer->xdpy); + template_mask |= VisualScreenMask; + } + + visinfo = XGetVisualInfo (xlib_renderer->xdpy, + template_mask, + &visinfo_template, + &visinfos_count); + + return visinfo; +} + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + CoglRendererEGL *egl_renderer = renderer->winsys; + + _cogl_xlib_renderer_disconnect (renderer); + + eglTerminate (egl_renderer->edpy); + + g_slice_free (CoglRendererEGL, egl_renderer); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + CoglRendererEGL *egl_renderer; + CoglXlibRenderer *xlib_renderer; + + renderer->winsys = g_slice_new0 (CoglRendererEGL); + egl_renderer = renderer->winsys; + xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + + egl_renderer->platform_vtable = &_cogl_winsys_egl_vtable; + + if (!_cogl_xlib_renderer_connect (renderer, error)) + goto error; + + egl_renderer->edpy = + eglGetDisplay ((EGLNativeDisplayType) xlib_renderer->xdpy); + + if (!_cogl_winsys_egl_renderer_connect_common (renderer, error)) + goto error; + + return TRUE; + +error: + _cogl_winsys_renderer_disconnect (renderer); + return FALSE; +} + +static CoglBool +_cogl_winsys_egl_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayXlib *xlib_display; + + xlib_display = g_slice_new0 (CoglDisplayXlib); + egl_display->platform = xlib_display; + + return TRUE; +} + +static void +_cogl_winsys_egl_display_destroy (CoglDisplay *display) +{ + CoglDisplayEGL *egl_display = display->winsys; + + g_slice_free (CoglDisplayXlib, egl_display->platform); +} + +static CoglBool +_cogl_winsys_egl_context_init (CoglContext *context, + CoglError **error) +{ + cogl_xlib_renderer_add_filter (context->display->renderer, + event_filter_cb, + context); + + context->feature_flags |= COGL_FEATURE_ONSCREEN_MULTIPLE; + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_ONSCREEN_MULTIPLE, TRUE); + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_MULTIPLE_ONSCREEN, + TRUE); + + /* We'll manually handle queueing dirty events in response to + * Expose events from X */ + COGL_FLAGS_SET (context->private_features, + COGL_PRIVATE_FEATURE_DIRTY_EVENTS, + TRUE); + + return TRUE; +} + +static void +_cogl_winsys_egl_context_deinit (CoglContext *context) +{ + cogl_xlib_renderer_remove_filter (context->display->renderer, + event_filter_cb, + context); +} + +static CoglBool +_cogl_winsys_egl_onscreen_init (CoglOnscreen *onscreen, + EGLConfig egl_config, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + CoglOnscreenXlib *xlib_onscreen; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + Window xwin; + + /* FIXME: We need to explicitly Select for ConfigureNotify events. + * For foreign windows we need to be careful not to mess up any + * existing event mask. + * We need to document that for windows we create then toolkits + * must be careful not to clear event mask bits that we select. + */ + + /* XXX: Note we ignore the user's original width/height when + * given a foreign X window. */ + if (onscreen->foreign_xid) + { + Status status; + CoglXlibTrapState state; + XWindowAttributes attr; + int xerror; + + xwin = onscreen->foreign_xid; + + _cogl_xlib_renderer_trap_errors (display->renderer, &state); + + status = XGetWindowAttributes (xlib_renderer->xdpy, xwin, &attr); + xerror = _cogl_xlib_renderer_untrap_errors (display->renderer, + &state); + if (status == 0 || xerror) + { + char message[1000]; + XGetErrorText (xlib_renderer->xdpy, xerror, + message, sizeof (message)); + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Unable to query geometry of foreign " + "xid 0x%08lX: %s", + xwin, message); + return FALSE; + } + + _cogl_framebuffer_winsys_update_size (framebuffer, + attr.width, attr.height); + + /* Make sure the app selects for the events we require... */ + onscreen->foreign_update_mask_callback (onscreen, + COGL_ONSCREEN_X11_EVENT_MASK, + onscreen-> + foreign_update_mask_data); + } + else + { + int width; + int height; + CoglXlibTrapState state; + XVisualInfo *xvisinfo; + XSetWindowAttributes xattr; + unsigned long mask; + int xerror; + + width = cogl_framebuffer_get_width (framebuffer); + height = cogl_framebuffer_get_height (framebuffer); + + _cogl_xlib_renderer_trap_errors (display->renderer, &state); + + xvisinfo = get_visual_info (display, egl_config); + if (xvisinfo == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Unable to retrieve the X11 visual of context's " + "fbconfig"); + return FALSE; + } + + /* window attributes */ + xattr.background_pixel = + WhitePixel (xlib_renderer->xdpy, + DefaultScreen (xlib_renderer->xdpy)); + xattr.border_pixel = 0; + /* XXX: is this an X resource that we are leaking‽... */ + xattr.colormap = + XCreateColormap (xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy), + xvisinfo->visual, + AllocNone); + xattr.event_mask = COGL_ONSCREEN_X11_EVENT_MASK; + + mask = CWBorderPixel | CWColormap | CWEventMask; + + xwin = XCreateWindow (xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy), + 0, 0, + width, height, + 0, + xvisinfo->depth, + InputOutput, + xvisinfo->visual, + mask, &xattr); + + XFree (xvisinfo); + + XSync (xlib_renderer->xdpy, False); + xerror = + _cogl_xlib_renderer_untrap_errors (display->renderer, &state); + if (xerror) + { + char message[1000]; + XGetErrorText (xlib_renderer->xdpy, xerror, + message, sizeof (message)); + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "X error while creating Window for CoglOnscreen: %s", + message); + return FALSE; + } + } + + xlib_onscreen = g_slice_new (CoglOnscreenXlib); + egl_onscreen->platform = xlib_onscreen; + + xlib_onscreen->xwin = xwin; + xlib_onscreen->is_foreign_xwin = onscreen->foreign_xid ? TRUE : FALSE; + + egl_onscreen->egl_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_config, + (EGLNativeWindowType) xlib_onscreen->xwin, + NULL); + + return TRUE; +} + +static void +_cogl_winsys_egl_onscreen_deinit (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglRenderer *renderer = context->display->renderer; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + CoglXlibTrapState old_state; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenXlib *xlib_onscreen = egl_onscreen->platform; + + _cogl_xlib_renderer_trap_errors (renderer, &old_state); + + if (!xlib_onscreen->is_foreign_xwin && xlib_onscreen->xwin != None) + { + XDestroyWindow (xlib_renderer->xdpy, xlib_onscreen->xwin); + xlib_onscreen->xwin = None; + } + else + xlib_onscreen->xwin = None; + + XSync (xlib_renderer->xdpy, False); + + if (_cogl_xlib_renderer_untrap_errors (renderer, + &old_state) != Success) + g_warning ("X Error while destroying X window"); + + g_slice_free (CoglOnscreenXlib, xlib_onscreen); +} + +static void +_cogl_winsys_onscreen_set_visibility (CoglOnscreen *onscreen, + CoglBool visibility) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglRenderer *renderer = context->display->renderer; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + CoglOnscreenEGL *onscreen_egl = onscreen->winsys; + CoglOnscreenXlib *xlib_onscreen = onscreen_egl->platform; + + if (visibility) + XMapWindow (xlib_renderer->xdpy, xlib_onscreen->xwin); + else + XUnmapWindow (xlib_renderer->xdpy, xlib_onscreen->xwin); +} + +static void +_cogl_winsys_onscreen_set_resizable (CoglOnscreen *onscreen, + CoglBool resizable) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (context->display->renderer); + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenXlib *xlib_onscreen = egl_onscreen->platform; + + XSizeHints *size_hints = XAllocSizeHints (); + + if (resizable) + { + /* TODO: Add cogl_onscreen_request_minimum_size () */ + size_hints->min_width = 1; + size_hints->min_height = 1; + + size_hints->max_width = INT_MAX; + size_hints->max_height = INT_MAX; + } + else + { + int width = cogl_framebuffer_get_width (framebuffer); + int height = cogl_framebuffer_get_height (framebuffer); + + size_hints->min_width = width; + size_hints->min_height = height; + + size_hints->max_width = width; + size_hints->max_height = height; + } + + XSetWMNormalHints (xlib_renderer->xdpy, xlib_onscreen->xwin, size_hints); + + XFree (size_hints); +} + +static uint32_t +_cogl_winsys_onscreen_x11_get_window_xid (CoglOnscreen *onscreen) +{ + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglOnscreenXlib *xlib_onscreen = egl_onscreen->platform; + + return xlib_onscreen->xwin; +} + +static CoglBool +_cogl_winsys_egl_context_created (CoglDisplay *display, + CoglError **error) +{ + CoglRenderer *renderer = display->renderer; + CoglDisplayEGL *egl_display = display->winsys; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + CoglDisplayXlib *xlib_display = egl_display->platform; + XVisualInfo *xvisinfo; + XSetWindowAttributes attrs; + const char *error_message; + + xvisinfo = get_visual_info (display, egl_display->egl_config); + if (xvisinfo == NULL) + { + error_message = "Unable to find suitable X visual"; + goto fail; + } + + attrs.override_redirect = True; + attrs.colormap = XCreateColormap (xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy), + xvisinfo->visual, + AllocNone); + attrs.border_pixel = 0; + + if ((egl_renderer->private_features & + COGL_EGL_WINSYS_FEATURE_SURFACELESS_CONTEXT) == 0) + { + xlib_display->dummy_xwin = + XCreateWindow (xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy), + -100, -100, 1, 1, + 0, + xvisinfo->depth, + CopyFromParent, + xvisinfo->visual, + CWOverrideRedirect | + CWColormap | + CWBorderPixel, + &attrs); + + egl_display->dummy_surface = + eglCreateWindowSurface (egl_renderer->edpy, + egl_display->egl_config, + (EGLNativeWindowType) xlib_display->dummy_xwin, + NULL); + + if (egl_display->dummy_surface == EGL_NO_SURFACE) + { + error_message = "Unable to create an EGL surface"; + XFree (xvisinfo); + goto fail; + } + } + + XFree (xvisinfo); + + if (!_cogl_winsys_egl_make_current (display, + egl_display->dummy_surface, + egl_display->dummy_surface, + egl_display->egl_context)) + { + if (egl_display->dummy_surface == EGL_NO_SURFACE) + error_message = "Unable to eglMakeCurrent with no surface"; + else + error_message = "Unable to eglMakeCurrent with dummy surface"; + goto fail; + } + + return TRUE; + +fail: + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "%s", error_message); + return FALSE; +} + +static void +_cogl_winsys_egl_cleanup_context (CoglDisplay *display) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglDisplayXlib *xlib_display = egl_display->platform; + CoglRenderer *renderer = display->renderer; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + CoglRendererEGL *egl_renderer = renderer->winsys; + + if (egl_display->dummy_surface != EGL_NO_SURFACE) + { + eglDestroySurface (egl_renderer->edpy, egl_display->dummy_surface); + egl_display->dummy_surface = EGL_NO_SURFACE; + } + + if (xlib_display->dummy_xwin) + { + XDestroyWindow (xlib_renderer->xdpy, xlib_display->dummy_xwin); + xlib_display->dummy_xwin = None; + } +} + +/* XXX: This is a particularly hacky _cogl_winsys interface... */ +static XVisualInfo * +_cogl_winsys_xlib_get_visual_info (void) +{ + CoglDisplayEGL *egl_display; + + _COGL_GET_CONTEXT (ctx, NULL); + + _COGL_RETURN_VAL_IF_FAIL (ctx->display->winsys, FALSE); + + egl_display = ctx->display->winsys; + + if (!egl_display->found_egl_config) + return NULL; + + return get_visual_info (ctx->display, egl_display->egl_config); +} + +#ifdef EGL_KHR_image_pixmap + +static CoglBool +_cogl_winsys_texture_pixmap_x11_create (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexture *tex = COGL_TEXTURE (tex_pixmap); + CoglContext *ctx = tex->context; + CoglTexturePixmapEGL *egl_tex_pixmap; + EGLint attribs[] = {EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, EGL_NONE}; + CoglPixelFormat texture_format; + CoglRendererEGL *egl_renderer; + + egl_renderer = ctx->display->renderer->winsys; + + if (!(egl_renderer->private_features & + COGL_EGL_WINSYS_FEATURE_EGL_IMAGE_FROM_X11_PIXMAP) || + !_cogl_has_private_feature + (ctx, COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE)) + { + tex_pixmap->winsys = NULL; + return FALSE; + } + + egl_tex_pixmap = g_new0 (CoglTexturePixmapEGL, 1); + + egl_tex_pixmap->image = + _cogl_egl_create_image (ctx, + EGL_NATIVE_PIXMAP_KHR, + (EGLClientBuffer)tex_pixmap->pixmap, + attribs); + if (egl_tex_pixmap->image == EGL_NO_IMAGE_KHR) + { + g_free (egl_tex_pixmap); + return FALSE; + } + + texture_format = (tex_pixmap->depth >= 32 ? + COGL_PIXEL_FORMAT_RGBA_8888_PRE : + COGL_PIXEL_FORMAT_RGB_888); + + egl_tex_pixmap->texture = COGL_TEXTURE ( + _cogl_egl_texture_2d_new_from_image (ctx, + tex->width, + tex->height, + texture_format, + egl_tex_pixmap->image, + NULL)); + + tex_pixmap->winsys = egl_tex_pixmap; + + return TRUE; +} + +static void +_cogl_winsys_texture_pixmap_x11_free (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexturePixmapEGL *egl_tex_pixmap; + + /* FIXME: It should be possible to get to a CoglContext from any + * CoglTexture pointer. */ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (!tex_pixmap->winsys) + return; + + egl_tex_pixmap = tex_pixmap->winsys; + + if (egl_tex_pixmap->texture) + cogl_object_unref (egl_tex_pixmap->texture); + + if (egl_tex_pixmap->image != EGL_NO_IMAGE_KHR) + _cogl_egl_destroy_image (ctx, egl_tex_pixmap->image); + + tex_pixmap->winsys = NULL; + g_free (egl_tex_pixmap); +} + +static CoglBool +_cogl_winsys_texture_pixmap_x11_update (CoglTexturePixmapX11 *tex_pixmap, + CoglBool needs_mipmap) +{ + if (needs_mipmap) + return FALSE; + + return TRUE; +} + +static void +_cogl_winsys_texture_pixmap_x11_damage_notify (CoglTexturePixmapX11 *tex_pixmap) +{ +} + +static CoglTexture * +_cogl_winsys_texture_pixmap_x11_get_texture (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexturePixmapEGL *egl_tex_pixmap = tex_pixmap->winsys; + + return egl_tex_pixmap->texture; +} + +#endif /* EGL_KHR_image_pixmap */ + +static const CoglWinsysEGLVtable +_cogl_winsys_egl_vtable = + { + .display_setup = _cogl_winsys_egl_display_setup, + .display_destroy = _cogl_winsys_egl_display_destroy, + .context_created = _cogl_winsys_egl_context_created, + .cleanup_context = _cogl_winsys_egl_cleanup_context, + .context_init = _cogl_winsys_egl_context_init, + .context_deinit = _cogl_winsys_egl_context_deinit, + .onscreen_init = _cogl_winsys_egl_onscreen_init, + .onscreen_deinit = _cogl_winsys_egl_onscreen_deinit + }; + +const CoglWinsysVtable * +_cogl_winsys_egl_xlib_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + if (!vtable_inited) + { + /* The EGL_X11 winsys is a subclass of the EGL winsys so we + start by copying its vtable */ + + vtable = *_cogl_winsys_egl_get_vtable (); + + vtable.id = COGL_WINSYS_ID_EGL_XLIB; + vtable.name = "EGL_XLIB"; + vtable.constraints |= (COGL_RENDERER_CONSTRAINT_USES_X11 | + COGL_RENDERER_CONSTRAINT_USES_XLIB); + + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + + vtable.onscreen_set_visibility = + _cogl_winsys_onscreen_set_visibility; + vtable.onscreen_set_resizable = + _cogl_winsys_onscreen_set_resizable; + + vtable.onscreen_x11_get_window_xid = + _cogl_winsys_onscreen_x11_get_window_xid; + + vtable.xlib_get_visual_info = _cogl_winsys_xlib_get_visual_info; + +#ifdef EGL_KHR_image_pixmap + /* X11 tfp support... */ + /* XXX: instead of having a rather monolithic winsys vtable we could + * perhaps look for a way to separate these... */ + vtable.texture_pixmap_x11_create = + _cogl_winsys_texture_pixmap_x11_create; + vtable.texture_pixmap_x11_free = + _cogl_winsys_texture_pixmap_x11_free; + vtable.texture_pixmap_x11_update = + _cogl_winsys_texture_pixmap_x11_update; + vtable.texture_pixmap_x11_damage_notify = + _cogl_winsys_texture_pixmap_x11_damage_notify; + vtable.texture_pixmap_x11_get_texture = + _cogl_winsys_texture_pixmap_x11_get_texture; +#endif /* EGL_KHR_image_pixmap) */ + + vtable_inited = TRUE; + } + + return &vtable; +} diff --git a/cogl/winsys/cogl-winsys-egl.c b/cogl/winsys/cogl-winsys-egl.c new file mode 100644 index 0000000..2f15c5c --- /dev/null +++ b/cogl/winsys/cogl-winsys-egl.c @@ -0,0 +1,1083 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010,2011,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-i18n-private.h" +#include "cogl-util.h" +#include "cogl-winsys-egl-private.h" +#include "cogl-winsys-private.h" +#include "cogl-feature-private.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer.h" +#include "cogl-onscreen-private.h" +#include "cogl-swap-chain-private.h" +#include "cogl-renderer-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-gles2-context-private.h" +#include "cogl-error-private.h" +#include "cogl-egl.h" + +#include "cogl-private.h" + +#include +#include +#include +#include +#include + + +#ifndef EGL_KHR_create_context +#define EGL_CONTEXT_MAJOR_VERSION_KHR 0x3098 +#define EGL_CONTEXT_MINOR_VERSION_KHR 0x30FB +#define EGL_CONTEXT_FLAGS_KHR 0x30FC +#define EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR 0x30FD +#define EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR 0x31BD +#define EGL_OPENGL_ES3_BIT_KHR 0x0040 +#define EGL_NO_RESET_NOTIFICATION_KHR 0x31BE +#define EGL_LOSE_CONTEXT_ON_RESET_KHR 0x31BF +#define EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR 0x00000001 +#define EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR 0x00000002 +#define EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR 0x00000004 +#define EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR 0x00000001 +#define EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR 0x00000002 +#endif + + +#define MAX_EGL_CONFIG_ATTRIBS 30 + +/* Define a set of arrays containing the functions required from GL + for each winsys feature */ +#define COGL_WINSYS_FEATURE_BEGIN(name, namespaces, extension_names, \ + egl_private_flags) \ + static const CoglFeatureFunction \ + cogl_egl_feature_ ## name ## _funcs[] = { +#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) \ + { G_STRINGIFY (name), G_STRUCT_OFFSET (CoglRendererEGL, pf_ ## name) }, +#define COGL_WINSYS_FEATURE_END() \ + { NULL, 0 }, \ + }; +#include "cogl-winsys-egl-feature-functions.h" + +/* Define an array of features */ +#undef COGL_WINSYS_FEATURE_BEGIN +#define COGL_WINSYS_FEATURE_BEGIN(name, namespaces, extension_names, \ + egl_private_flags) \ + { 255, 255, 0, namespaces, extension_names, \ + 0, egl_private_flags, \ + 0, \ + cogl_egl_feature_ ## name ## _funcs }, +#undef COGL_WINSYS_FEATURE_FUNCTION +#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) +#undef COGL_WINSYS_FEATURE_END +#define COGL_WINSYS_FEATURE_END() + +static const CoglFeatureData winsys_feature_data[] = + { +#include "cogl-winsys-egl-feature-functions.h" + }; + +static const char * +get_error_string (void) +{ + switch (eglGetError()){ + case EGL_BAD_DISPLAY: + return "Invalid display"; + case EGL_NOT_INITIALIZED: + return "Display not initialized"; + case EGL_BAD_ALLOC: + return "Not enough resources to allocate context"; + case EGL_BAD_ATTRIBUTE: + return "Invalid attribute"; + case EGL_BAD_CONFIG: + return "Invalid config"; + case EGL_BAD_CONTEXT: + return "Invalid context"; + case EGL_BAD_CURRENT_SURFACE: + return "Invalid current surface"; + case EGL_BAD_MATCH: + return "Bad match"; + case EGL_BAD_NATIVE_PIXMAP: + return "Invalid native pixmap"; + case EGL_BAD_NATIVE_WINDOW: + return "Invalid native window"; + case EGL_BAD_PARAMETER: + return "Invalid parameter"; + case EGL_BAD_SURFACE: + return "Invalid surface"; + default: + g_assert_not_reached (); + } +} + +static CoglFuncPtr +_cogl_winsys_renderer_get_proc_address (CoglRenderer *renderer, + const char *name, + CoglBool in_core) +{ + void *ptr = NULL; + + if (!in_core) + ptr = eglGetProcAddress (name); + + /* eglGetProcAddress doesn't support fetching core API so we need to + get that separately with GModule */ + if (ptr == NULL) + g_module_symbol (renderer->libgl_module, name, &ptr); + + return ptr; +} + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + /* This function must be overridden by a platform winsys */ + g_assert_not_reached (); +} + +/* Updates all the function pointers */ +static void +check_egl_extensions (CoglRenderer *renderer) +{ + CoglRendererEGL *egl_renderer = renderer->winsys; + const char *egl_extensions; + char **split_extensions; + int i; + + egl_extensions = eglQueryString (egl_renderer->edpy, EGL_EXTENSIONS); + split_extensions = g_strsplit (egl_extensions, " ", 0 /* max_tokens */); + + COGL_NOTE (WINSYS, " EGL Extensions: %s", egl_extensions); + + egl_renderer->private_features = 0; + for (i = 0; i < G_N_ELEMENTS (winsys_feature_data); i++) + if (_cogl_feature_check (renderer, + "EGL", winsys_feature_data + i, 0, 0, + COGL_DRIVER_GL, /* the driver isn't used */ + split_extensions, + egl_renderer)) + { + egl_renderer->private_features |= + winsys_feature_data[i].feature_flags_private; + } + + g_strfreev (split_extensions); +} + +CoglBool +_cogl_winsys_egl_renderer_connect_common (CoglRenderer *renderer, + CoglError **error) +{ + CoglRendererEGL *egl_renderer = renderer->winsys; + + if (!eglInitialize (egl_renderer->edpy, + &egl_renderer->egl_version_major, + &egl_renderer->egl_version_minor)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Couldn't initialize EGL"); + return FALSE; + } + + check_egl_extensions (renderer); + + return TRUE; +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + /* This function must be overridden by a platform winsys */ + g_assert_not_reached (); +} + +static void +egl_attributes_from_framebuffer_config (CoglDisplay *display, + CoglFramebufferConfig *config, + EGLint *attributes) +{ + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + int i = 0; + + /* Let the platform add attributes first */ + if (egl_renderer->platform_vtable->add_config_attributes) + i = egl_renderer->platform_vtable->add_config_attributes (display, + config, + attributes); + + if (config->need_stencil) + { + attributes[i++] = EGL_STENCIL_SIZE; + attributes[i++] = 2; + } + + attributes[i++] = EGL_RED_SIZE; + attributes[i++] = 1; + attributes[i++] = EGL_GREEN_SIZE; + attributes[i++] = 1; + attributes[i++] = EGL_BLUE_SIZE; + attributes[i++] = 1; + + attributes[i++] = EGL_ALPHA_SIZE; + attributes[i++] = config->swap_chain->has_alpha ? 1 : EGL_DONT_CARE; + + attributes[i++] = EGL_DEPTH_SIZE; + attributes[i++] = 1; + + attributes[i++] = EGL_BUFFER_SIZE; + attributes[i++] = EGL_DONT_CARE; + + attributes[i++] = EGL_RENDERABLE_TYPE; + attributes[i++] = ((renderer->driver == COGL_DRIVER_GL || + renderer->driver == COGL_DRIVER_GL3) ? + EGL_OPENGL_BIT : + renderer->driver == COGL_DRIVER_GLES1 ? + EGL_OPENGL_ES_BIT : + EGL_OPENGL_ES2_BIT); + + attributes[i++] = EGL_SURFACE_TYPE; + attributes[i++] = EGL_WINDOW_BIT; + + if (config->samples_per_pixel) + { + attributes[i++] = EGL_SAMPLE_BUFFERS; + attributes[i++] = 1; + attributes[i++] = EGL_SAMPLES; + attributes[i++] = config->samples_per_pixel; + } + + attributes[i++] = EGL_NONE; + + g_assert (i < MAX_EGL_CONFIG_ATTRIBS); +} + +EGLBoolean +_cogl_winsys_egl_make_current (CoglDisplay *display, + EGLSurface draw, + EGLSurface read, + EGLContext context) +{ + CoglDisplayEGL *egl_display = display->winsys; + CoglRendererEGL *egl_renderer = display->renderer->winsys; + EGLBoolean ret; + + if (egl_display->current_draw_surface == draw && + egl_display->current_read_surface == read && + egl_display->current_context == context) + return EGL_TRUE; + + ret = eglMakeCurrent (egl_renderer->edpy, + draw, + read, + context); + + egl_display->current_draw_surface = draw; + egl_display->current_read_surface = read; + egl_display->current_context = context; + + return ret; +} + +static void +cleanup_context (CoglDisplay *display) +{ + CoglRenderer *renderer = display->renderer; + CoglDisplayEGL *egl_display = display->winsys; + CoglRendererEGL *egl_renderer = renderer->winsys; + + if (egl_display->egl_context != EGL_NO_CONTEXT) + { + _cogl_winsys_egl_make_current (display, + EGL_NO_SURFACE, EGL_NO_SURFACE, + EGL_NO_CONTEXT); + eglDestroyContext (egl_renderer->edpy, egl_display->egl_context); + egl_display->egl_context = EGL_NO_CONTEXT; + } + + if (egl_renderer->platform_vtable->cleanup_context) + egl_renderer->platform_vtable->cleanup_context (display); +} + +static CoglBool +try_create_context (CoglDisplay *display, + CoglError **error) +{ + CoglRenderer *renderer = display->renderer; + CoglDisplayEGL *egl_display = display->winsys; + CoglRendererEGL *egl_renderer = renderer->winsys; + EGLDisplay edpy; + EGLConfig config; + EGLint config_count = 0; + EGLBoolean status; + EGLint attribs[9]; + EGLint cfg_attribs[MAX_EGL_CONFIG_ATTRIBS]; + const char *error_message; + + _COGL_RETURN_VAL_IF_FAIL (egl_display->egl_context == NULL, TRUE); + + if (renderer->driver == COGL_DRIVER_GL || + renderer->driver == COGL_DRIVER_GL3) + eglBindAPI (EGL_OPENGL_API); + + egl_attributes_from_framebuffer_config (display, + &display->onscreen_template->config, + cfg_attribs); + + edpy = egl_renderer->edpy; + + status = eglChooseConfig (edpy, + cfg_attribs, + &config, 1, + &config_count); + if (status != EGL_TRUE || config_count == 0) + { + error_message = "Unable to find a usable EGL configuration"; + goto fail; + } + + egl_display->egl_config = config; + + if (display->renderer->driver == COGL_DRIVER_GL3) + { + if (!(egl_renderer->private_features & + COGL_EGL_WINSYS_FEATURE_CREATE_CONTEXT)) + { + error_message = "Driver does not support GL 3 contexts"; + goto fail; + } + + /* Try to get a core profile 3.1 context with no deprecated features */ + attribs[0] = EGL_CONTEXT_MAJOR_VERSION_KHR; + attribs[1] = 3; + attribs[2] = EGL_CONTEXT_MINOR_VERSION_KHR; + attribs[3] = 1; + attribs[4] = EGL_CONTEXT_FLAGS_KHR; + attribs[5] = EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR; + attribs[6] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR; + attribs[7] = EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR; + attribs[8] = EGL_NONE; + } + else if (display->renderer->driver == COGL_DRIVER_GLES2) + { + attribs[0] = EGL_CONTEXT_CLIENT_VERSION; + attribs[1] = 2; + attribs[2] = EGL_NONE; + } + else + attribs[0] = EGL_NONE; + + egl_display->egl_context = eglCreateContext (edpy, + config, + EGL_NO_CONTEXT, + attribs); + + if (egl_display->egl_context == EGL_NO_CONTEXT) + { + error_message = "Unable to create a suitable EGL context"; + goto fail; + } + + if (egl_renderer->platform_vtable->context_created && + !egl_renderer->platform_vtable->context_created (display, error)) + return FALSE; + + return TRUE; + +fail: + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "%s", error_message); + + cleanup_context (display); + + return FALSE; +} + +static void +_cogl_winsys_display_destroy (CoglDisplay *display) +{ + CoglRendererEGL *egl_renderer = display->renderer->winsys; + CoglDisplayEGL *egl_display = display->winsys; + + _COGL_RETURN_IF_FAIL (egl_display != NULL); + + cleanup_context (display); + + if (egl_renderer->platform_vtable->display_destroy) + egl_renderer->platform_vtable->display_destroy (display); + + g_slice_free (CoglDisplayEGL, display->winsys); + display->winsys = NULL; +} + +static CoglBool +_cogl_winsys_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplayEGL *egl_display; + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + + _COGL_RETURN_VAL_IF_FAIL (display->winsys == NULL, FALSE); + + egl_display = g_slice_new0 (CoglDisplayEGL); + display->winsys = egl_display; + +#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT + if (display->wayland_compositor_display) + { + struct wl_display *wayland_display = display->wayland_compositor_display; + CoglRendererEGL *egl_renderer = display->renderer->winsys; + + if (egl_renderer->pf_eglBindWaylandDisplay) + egl_renderer->pf_eglBindWaylandDisplay (egl_renderer->edpy, + wayland_display); + } +#endif + + if (egl_renderer->platform_vtable->display_setup && + !egl_renderer->platform_vtable->display_setup (display, error)) + goto error; + + if (!try_create_context (display, error)) + goto error; + + egl_display->found_egl_config = TRUE; + + return TRUE; + +error: + _cogl_winsys_display_destroy (display); + return FALSE; +} + +static CoglBool +_cogl_winsys_context_init (CoglContext *context, CoglError **error) +{ + CoglRenderer *renderer = context->display->renderer; + CoglDisplayEGL *egl_display = context->display->winsys; + CoglRendererEGL *egl_renderer = renderer->winsys; + + context->winsys = g_new0 (CoglContextEGL, 1); + + _COGL_RETURN_VAL_IF_FAIL (egl_display->egl_context, FALSE); + + memset (context->winsys_features, 0, sizeof (context->winsys_features)); + + check_egl_extensions (renderer); + + if (!_cogl_context_update_features (context, error)) + return FALSE; + + if (egl_renderer->private_features & COGL_EGL_WINSYS_FEATURE_SWAP_REGION) + { + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_SWAP_REGION, TRUE); + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_SWAP_REGION_THROTTLE, TRUE); + } + + if ((egl_renderer->private_features & COGL_EGL_WINSYS_FEATURE_FENCE_SYNC) && + _cogl_has_private_feature (context, COGL_PRIVATE_FEATURE_OES_EGL_SYNC)) + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_FENCE, TRUE); + + if (egl_renderer->private_features & COGL_EGL_WINSYS_FEATURE_BUFFER_AGE) + { + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_BUFFER_AGE, + TRUE); + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_BUFFER_AGE, TRUE); + } + + /* NB: We currently only support creating standalone GLES2 contexts + * for offscreen rendering and so we need a dummy (non-visible) + * surface to be able to bind those contexts */ + if (egl_display->dummy_surface != EGL_NO_SURFACE && + context->driver == COGL_DRIVER_GLES2) + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_GLES2_CONTEXT, TRUE); + + if (egl_renderer->platform_vtable->context_init && + !egl_renderer->platform_vtable->context_init (context, error)) + return FALSE; + + return TRUE; +} + +static void +_cogl_winsys_context_deinit (CoglContext *context) +{ + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + + if (egl_renderer->platform_vtable->context_deinit) + egl_renderer->platform_vtable->context_deinit (context); + + g_free (context->winsys); +} + +typedef struct _CoglGLES2ContextEGL +{ + EGLContext egl_context; + EGLSurface dummy_surface; +} CoglGLES2ContextEGL; + +static void * +_cogl_winsys_context_create_gles2_context (CoglContext *ctx, CoglError **error) +{ + CoglRendererEGL *egl_renderer = ctx->display->renderer->winsys; + CoglDisplayEGL *egl_display = ctx->display->winsys; + EGLint attribs[3]; + EGLContext egl_context; + + attribs[0] = EGL_CONTEXT_CLIENT_VERSION; + attribs[1] = 2; + attribs[2] = EGL_NONE; + + egl_context = eglCreateContext (egl_renderer->edpy, + egl_display->egl_config, + egl_display->egl_context, + attribs); + if (egl_context == EGL_NO_CONTEXT) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_GLES2_CONTEXT, + "%s", get_error_string ()); + return NULL; + } + + return (void *)egl_context; +} + +static void +_cogl_winsys_destroy_gles2_context (CoglGLES2Context *gles2_ctx) +{ + CoglContext *context = gles2_ctx->context; + CoglDisplay *display = context->display; + CoglDisplayEGL *egl_display = display->winsys; + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + EGLContext egl_context = gles2_ctx->winsys; + + _COGL_RETURN_IF_FAIL (egl_display->current_context != egl_context); + + eglDestroyContext (egl_renderer->edpy, egl_context); +} + +static CoglBool +_cogl_winsys_onscreen_init (CoglOnscreen *onscreen, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplayEGL *egl_display = display->winsys; + CoglRenderer *renderer = display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + EGLint attributes[MAX_EGL_CONFIG_ATTRIBS]; + EGLConfig egl_config; + EGLint config_count = 0; + EGLBoolean status; + + _COGL_RETURN_VAL_IF_FAIL (egl_display->egl_context, FALSE); + + egl_attributes_from_framebuffer_config (display, + &framebuffer->config, + attributes); + + status = eglChooseConfig (egl_renderer->edpy, + attributes, + &egl_config, 1, + &config_count); + if (status != EGL_TRUE || config_count == 0) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Failed to find a suitable EGL configuration"); + return FALSE; + } + + /* Update the real number of samples_per_pixel now that we have + * found an egl_config... */ + if (framebuffer->config.samples_per_pixel) + { + EGLint samples; + status = eglGetConfigAttrib (egl_renderer->edpy, + egl_config, + EGL_SAMPLES, &samples); + g_return_val_if_fail (status == EGL_TRUE, TRUE); + framebuffer->samples_per_pixel = samples; + } + + onscreen->winsys = g_slice_new0 (CoglOnscreenEGL); + + if (egl_renderer->platform_vtable->onscreen_init && + !egl_renderer->platform_vtable->onscreen_init (onscreen, + egl_config, + error)) + { + g_slice_free (CoglOnscreenEGL, onscreen->winsys); + return FALSE; + } + + return TRUE; +} + +static void +_cogl_winsys_onscreen_deinit (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplayEGL *egl_display = context->display->winsys; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + + /* If we never successfully allocated then there's nothing to do */ + if (egl_onscreen == NULL) + return; + + if (egl_onscreen->egl_surface != EGL_NO_SURFACE) + { + /* Cogl always needs a valid context bound to something so if we + * are destroying the onscreen that is currently bound we'll + * switch back to the dummy drawable. */ + if (egl_display->dummy_surface != EGL_NO_SURFACE && + (egl_display->current_draw_surface == egl_onscreen->egl_surface || + egl_display->current_read_surface == egl_onscreen->egl_surface)) + { + _cogl_winsys_egl_make_current (context->display, + egl_display->dummy_surface, + egl_display->dummy_surface, + egl_display->current_context); + } + + if (eglDestroySurface (egl_renderer->edpy, egl_onscreen->egl_surface) + == EGL_FALSE) + g_warning ("Failed to destroy EGL surface"); + egl_onscreen->egl_surface = EGL_NO_SURFACE; + } + + if (egl_renderer->platform_vtable->onscreen_deinit) + egl_renderer->platform_vtable->onscreen_deinit (onscreen); + + g_slice_free (CoglOnscreenEGL, onscreen->winsys); + onscreen->winsys = NULL; +} + +static CoglBool +bind_onscreen_with_context (CoglOnscreen *onscreen, + EGLContext egl_context) +{ + CoglFramebuffer *fb = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = fb->context; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + + CoglBool status = _cogl_winsys_egl_make_current (context->display, + egl_onscreen->egl_surface, + egl_onscreen->egl_surface, + egl_context); + if (status) + { + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + + if (fb->config.swap_throttled) + eglSwapInterval (egl_renderer->edpy, 1); + else + eglSwapInterval (egl_renderer->edpy, 0); + } + + return status; +} + +static CoglBool +bind_onscreen (CoglOnscreen *onscreen) +{ + CoglFramebuffer *fb = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = fb->context; + CoglDisplayEGL *egl_display = context->display->winsys; + + return bind_onscreen_with_context (onscreen, egl_display->egl_context); +} + +static void +_cogl_winsys_onscreen_bind (CoglOnscreen *onscreen) +{ + bind_onscreen (onscreen); +} + +#ifndef EGL_BUFFER_AGE_EXT +#define EGL_BUFFER_AGE_EXT 0x313D +#endif + +static int +_cogl_winsys_onscreen_get_buffer_age (CoglOnscreen *onscreen) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + EGLSurface surface = egl_onscreen->egl_surface; + int age; + + if (!(egl_renderer->private_features & COGL_EGL_WINSYS_FEATURE_BUFFER_AGE)) + return 0; + + eglQuerySurface (egl_renderer->edpy, surface, EGL_BUFFER_AGE_EXT, &age); + + return age; +} + +static void +_cogl_winsys_onscreen_swap_region (CoglOnscreen *onscreen, + const int *user_rectangles, + int n_rectangles) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + int framebuffer_height = cogl_framebuffer_get_height (framebuffer); + int *rectangles = g_alloca (sizeof (int) * n_rectangles * 4); + int i; + + /* eglSwapBuffersRegion expects rectangles relative to the + * bottom left corner but we are given rectangles relative to + * the top left so we need to flip them... */ + memcpy (rectangles, user_rectangles, sizeof (int) * n_rectangles * 4); + for (i = 0; i < n_rectangles; i++) + { + int *rect = &rectangles[4 * i]; + rect[1] = framebuffer_height - rect[1] - rect[3]; + } + + /* At least for eglSwapBuffers the EGL spec says that the surface to + swap must be bound to the current context. It looks like Mesa + also validates that this is the case for eglSwapBuffersRegion so + we must bind here too */ + _cogl_framebuffer_flush_state (COGL_FRAMEBUFFER (onscreen), + COGL_FRAMEBUFFER (onscreen), + COGL_FRAMEBUFFER_STATE_BIND); + + if (egl_renderer->pf_eglSwapBuffersRegion (egl_renderer->edpy, + egl_onscreen->egl_surface, + n_rectangles, + rectangles) == EGL_FALSE) + g_warning ("Error reported by eglSwapBuffersRegion"); +} + +static void +_cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglRenderer *renderer = context->display->renderer; + CoglRendererEGL *egl_renderer = renderer->winsys; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + + /* The specification for EGL (at least in 1.4) says that the surface + needs to be bound to the current context for the swap to work + although it may change in future. Mesa explicitly checks for this + and just returns an error if this is not the case so we can't + just pretend this isn't in the spec. */ + _cogl_framebuffer_flush_state (COGL_FRAMEBUFFER (onscreen), + COGL_FRAMEBUFFER (onscreen), + COGL_FRAMEBUFFER_STATE_BIND); + + if (n_rectangles && egl_renderer->pf_eglSwapBuffersWithDamage) + { + CoglFramebuffer *fb = COGL_FRAMEBUFFER (onscreen); + size_t size = n_rectangles * sizeof (int) * 4; + int *flipped = alloca (size); + int i; + + memcpy (flipped, rectangles, size); + for (i = 0; i < n_rectangles; i++) + { + const int *rect = rectangles + 4 * i; + int *flip_rect = flipped + 4 * i; + flip_rect[1] = fb->height - rect[1] - rect[3]; + } + + if (egl_renderer->pf_eglSwapBuffersWithDamage (egl_renderer->edpy, + egl_onscreen->egl_surface, + flipped, + n_rectangles) == EGL_FALSE) + g_warning ("Error reported by eglSwapBuffersWithDamage"); + } + else + eglSwapBuffers (egl_renderer->edpy, egl_onscreen->egl_surface); +} + +static void +_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglDisplayEGL *egl_display = context->display->winsys; + CoglOnscreenEGL *egl_onscreen = onscreen->winsys; + + if (egl_display->current_draw_surface != egl_onscreen->egl_surface) + return; + + egl_display->current_draw_surface = EGL_NO_SURFACE; + + _cogl_winsys_onscreen_bind (onscreen); +} + +static void +_cogl_winsys_save_context (CoglContext *ctx) +{ + CoglContextEGL *egl_context = ctx->winsys; + CoglDisplayEGL *egl_display = ctx->display->winsys; + + egl_context->saved_draw_surface = egl_display->current_draw_surface; + egl_context->saved_read_surface = egl_display->current_read_surface; +} + +static CoglBool +_cogl_winsys_set_gles2_context (CoglGLES2Context *gles2_ctx, CoglError **error) +{ + CoglContext *ctx = gles2_ctx->context; + CoglDisplayEGL *egl_display = ctx->display->winsys; + CoglBool status; + + if (gles2_ctx->write_buffer && + cogl_is_onscreen (gles2_ctx->write_buffer)) + status = + bind_onscreen_with_context (COGL_ONSCREEN (gles2_ctx->write_buffer), + gles2_ctx->winsys); + else + status = _cogl_winsys_egl_make_current (ctx->display, + egl_display->dummy_surface, + egl_display->dummy_surface, + gles2_ctx->winsys); + + if (!status) + { + _cogl_set_error (error, + COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_MAKE_CURRENT, + "Failed to make gles2 context current"); + return FALSE; + } + + return TRUE; +} + +static void +_cogl_winsys_restore_context (CoglContext *ctx) +{ + CoglContextEGL *egl_context = ctx->winsys; + CoglDisplayEGL *egl_display = ctx->display->winsys; + + _cogl_winsys_egl_make_current (ctx->display, + egl_context->saved_draw_surface, + egl_context->saved_read_surface, + egl_display->egl_context); +} + +#if defined(EGL_KHR_fence_sync) || defined(EGL_KHR_reusable_sync) +static void * +_cogl_winsys_fence_add (CoglContext *context) +{ + CoglRendererEGL *renderer = context->display->renderer->winsys; + void *ret; + + if (renderer->pf_eglCreateSync) + ret = renderer->pf_eglCreateSync (renderer->edpy, + EGL_SYNC_FENCE_KHR, + NULL); + else + ret = NULL; + + return ret; +} + +static CoglBool +_cogl_winsys_fence_is_complete (CoglContext *context, void *fence) +{ + CoglRendererEGL *renderer = context->display->renderer->winsys; + EGLint ret; + + ret = renderer->pf_eglClientWaitSync (renderer->edpy, + fence, + EGL_SYNC_FLUSH_COMMANDS_BIT_KHR, + 0); + return (ret == EGL_CONDITION_SATISFIED_KHR); +} + +static void +_cogl_winsys_fence_destroy (CoglContext *context, void *fence) +{ + CoglRendererEGL *renderer = context->display->renderer->winsys; + + renderer->pf_eglDestroySync (renderer->edpy, fence); +} +#endif + +static CoglWinsysVtable _cogl_winsys_vtable = + { + .constraints = COGL_RENDERER_CONSTRAINT_USES_EGL | + COGL_RENDERER_CONSTRAINT_SUPPORTS_COGL_GLES2, + + /* This winsys is only used as a base for the EGL-platform + winsys's so it does not have an ID or a name */ + + .renderer_get_proc_address = _cogl_winsys_renderer_get_proc_address, + .renderer_connect = _cogl_winsys_renderer_connect, + .renderer_disconnect = _cogl_winsys_renderer_disconnect, + .display_setup = _cogl_winsys_display_setup, + .display_destroy = _cogl_winsys_display_destroy, + .context_init = _cogl_winsys_context_init, + .context_deinit = _cogl_winsys_context_deinit, + .context_create_gles2_context = + _cogl_winsys_context_create_gles2_context, + .destroy_gles2_context = _cogl_winsys_destroy_gles2_context, + .onscreen_init = _cogl_winsys_onscreen_init, + .onscreen_deinit = _cogl_winsys_onscreen_deinit, + .onscreen_bind = _cogl_winsys_onscreen_bind, + .onscreen_swap_buffers_with_damage = + _cogl_winsys_onscreen_swap_buffers_with_damage, + .onscreen_swap_region = _cogl_winsys_onscreen_swap_region, + .onscreen_get_buffer_age = _cogl_winsys_onscreen_get_buffer_age, + .onscreen_update_swap_throttled = + _cogl_winsys_onscreen_update_swap_throttled, + + /* CoglGLES2Context related methods */ + .save_context = _cogl_winsys_save_context, + .set_gles2_context = _cogl_winsys_set_gles2_context, + .restore_context = _cogl_winsys_restore_context, + +#if defined(EGL_KHR_fence_sync) || defined(EGL_KHR_reusable_sync) + .fence_add = _cogl_winsys_fence_add, + .fence_is_complete = _cogl_winsys_fence_is_complete, + .fence_destroy = _cogl_winsys_fence_destroy, +#endif + }; + +/* XXX: we use a function because no doubt someone will complain + * about using c99 member initializers because they aren't portable + * to windows. We want to avoid having to rigidly follow the real + * order of members since some members are #ifdefd and we'd have + * to mirror the #ifdefing to add padding etc. For any winsys that + * can assume the platform has a sane compiler then we can just use + * c99 initializers for insane platforms they can initialize + * the members by name in a function. + */ +const CoglWinsysVtable * +_cogl_winsys_egl_get_vtable (void) +{ + return &_cogl_winsys_vtable; +} + +#ifdef EGL_KHR_image_base +EGLImageKHR +_cogl_egl_create_image (CoglContext *ctx, + EGLenum target, + EGLClientBuffer buffer, + const EGLint *attribs) +{ + CoglDisplayEGL *egl_display = ctx->display->winsys; + CoglRendererEGL *egl_renderer = ctx->display->renderer->winsys; + EGLContext egl_ctx; + + _COGL_RETURN_VAL_IF_FAIL (egl_renderer->pf_eglCreateImage, EGL_NO_IMAGE_KHR); + + /* The EGL_KHR_image_pixmap spec explicitly states that EGL_NO_CONTEXT must + * always be used in conjunction with the EGL_NATIVE_PIXMAP_KHR target */ +#ifdef EGL_KHR_image_pixmap + if (target == EGL_NATIVE_PIXMAP_KHR) + egl_ctx = EGL_NO_CONTEXT; + else +#endif + egl_ctx = egl_display->egl_context; + + return egl_renderer->pf_eglCreateImage (egl_renderer->edpy, + egl_ctx, + target, + buffer, + attribs); +} + +void +_cogl_egl_destroy_image (CoglContext *ctx, + EGLImageKHR image) +{ + CoglRendererEGL *egl_renderer = ctx->display->renderer->winsys; + + _COGL_RETURN_IF_FAIL (egl_renderer->pf_eglDestroyImage); + + egl_renderer->pf_eglDestroyImage (egl_renderer->edpy, image); +} +#endif + +#ifdef EGL_WL_bind_wayland_display +CoglBool +_cogl_egl_query_wayland_buffer (CoglContext *ctx, + struct wl_resource *buffer, + int attribute, + int *value) +{ + CoglRendererEGL *egl_renderer = ctx->display->renderer->winsys; + + _COGL_RETURN_VAL_IF_FAIL (egl_renderer->pf_eglQueryWaylandBuffer, FALSE); + + return egl_renderer->pf_eglQueryWaylandBuffer (egl_renderer->edpy, + buffer, + attribute, + value); +} +#endif + +EGLDisplay +cogl_egl_context_get_egl_display (CoglContext *context) +{ + CoglRendererEGL *egl_renderer = context->display->renderer->winsys; + + return egl_renderer->edpy; +} + +EGLContext +cogl_egl_context_get_egl_context (CoglContext *context) +{ + CoglDisplayEGL *egl_display = context->display->winsys; + + return egl_display->egl_context; +} diff --git a/cogl/winsys/cogl-winsys-glx-feature-functions.h b/cogl/winsys/cogl-winsys-glx-feature-functions.h new file mode 100644 index 0000000..1e2cec1 --- /dev/null +++ b/cogl/winsys/cogl-winsys-glx-feature-functions.h @@ -0,0 +1,209 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +/* This can be included multiple times with different definitions for + * the COGL_WINSYS_FEATURE_* functions. + */ + +/* Macro prototypes: + * COGL_WINSYS_FEATURE_BEGIN (major_glx_version, minor_glx_version, + * name, namespaces, extension_names, + * implied_legacy_feature_flags, + * implied_winsys_feature) + * COGL_WINSYS_FEATURE_FUNCTION (return_type, function_name, + * (arguments)) + * ... + * COGL_WINSYS_FEATURE_END () + * + * Note: You can list multiple namespace and extension names if the + * corresponding _FEATURE_FUNCTIONS have the same semantics accross + * the different extension variants. + * + * XXX: NB: Don't add a trailing semicolon when using these macros + */ + +/* Base functions that we assume are always available */ +COGL_WINSYS_FEATURE_BEGIN (0, 0, /* always available */ + base_glx_functions, + "\0", + "\0", + 0, /* no implied public feature */ + 0 /* no winsys feature */) +COGL_WINSYS_FEATURE_FUNCTION (void, glXDestroyContext, + (Display *dpy, GLXContext ctx)) +COGL_WINSYS_FEATURE_FUNCTION (void, glXSwapBuffers, + (Display *dpy, GLXDrawable drawable)) +COGL_WINSYS_FEATURE_FUNCTION (Bool, glXIsDirect, + (Display *dpy, GLXContext ctx)) +COGL_WINSYS_FEATURE_FUNCTION (int, glXGetFBConfigAttrib, + (Display *dpy, GLXFBConfig config, + int attribute, int *value)) +COGL_WINSYS_FEATURE_FUNCTION (GLXWindow, glXCreateWindow, + (Display *dpy, GLXFBConfig config, + Window win, const int *attribList)) +COGL_WINSYS_FEATURE_FUNCTION (void, glXDestroyWindow, + (Display *dpy, GLXWindow window)) +COGL_WINSYS_FEATURE_FUNCTION (GLXPixmap, glXCreatePixmap, + (Display *dpy, GLXFBConfig config, + Pixmap pixmap, const int *attribList)) +COGL_WINSYS_FEATURE_FUNCTION (void, glXDestroyPixmap, + (Display *dpy, GLXPixmap pixmap)) +COGL_WINSYS_FEATURE_FUNCTION (GLXContext, glXCreateNewContext, + (Display *dpy, GLXFBConfig config, + int renderType, GLXContext shareList, + Bool direct)) +COGL_WINSYS_FEATURE_FUNCTION (Bool, glXMakeContextCurrent, + (Display *dpy, GLXDrawable draw, + GLXDrawable read, GLXContext ctx)) +COGL_WINSYS_FEATURE_FUNCTION (void, glXSelectEvent, + (Display *dpy, GLXDrawable drawable, + unsigned long mask)) +COGL_WINSYS_FEATURE_FUNCTION (GLXFBConfig *, glXGetFBConfigs, + (Display *dpy, int screen, int *nelements)) +COGL_WINSYS_FEATURE_FUNCTION (GLXFBConfig *, glXChooseFBConfig, + (Display *dpy, int screen, + const int *attrib_list, int *nelements)) +COGL_WINSYS_FEATURE_FUNCTION (XVisualInfo *, glXGetVisualFromFBConfig, + (Display *dpy, GLXFBConfig config)) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (255, 255, + texture_from_pixmap, + "EXT\0", + "texture_from_pixmap\0", + 0, + COGL_WINSYS_FEATURE_TEXTURE_FROM_PIXMAP) +COGL_WINSYS_FEATURE_FUNCTION (void, glXBindTexImage, + (Display *display, + GLXDrawable drawable, + int buffer, + int *attribList)) +COGL_WINSYS_FEATURE_FUNCTION (void, glXReleaseTexImage, + (Display *display, + GLXDrawable drawable, + int buffer)) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (255, 255, + video_sync, + "SGI\0", + "video_sync\0", + 0, + COGL_WINSYS_FEATURE_VBLANK_COUNTER) +COGL_WINSYS_FEATURE_FUNCTION (int, glXGetVideoSync, + (unsigned int *count)) +COGL_WINSYS_FEATURE_FUNCTION (int, glXWaitVideoSync, + (int divisor, + int remainder, + unsigned int *count)) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (255, 255, + swap_control, + "SGI\0", + "swap_control\0", + 0, + COGL_WINSYS_FEATURE_SWAP_THROTTLE) +COGL_WINSYS_FEATURE_FUNCTION (int, glXSwapInterval, + (int interval)) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (255, 255, + sync_control, + "OML\0", + "sync_control\0", + 0, + 0) +COGL_WINSYS_FEATURE_FUNCTION (Bool, glXGetSyncValues, + (Display* dpy, + GLXDrawable drawable, + int64_t* ust, + int64_t* msc, + int64_t* sbc)) +COGL_WINSYS_FEATURE_FUNCTION (Bool, glXWaitForMsc, + (Display* dpy, + GLXDrawable drawable, + int64_t target_msc, + int64_t divisor, + int64_t remainder, + int64_t* ust, + int64_t* msc, + int64_t* sbc)) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (255, 255, + copy_sub_buffer, + "MESA\0", + "copy_sub_buffer\0", + 0, +/* We initially assumed that copy_sub_buffer is synchronized on + * which is only the case for a subset of GPUs for example it is not + * synchronized on INTEL gen6 and gen7, so we remove this assumption + * for now + */ +#if 0 + COGL_WINSYS_FEATURE_SWAP_REGION_SYNCHRONIZED) +#endif + 0) +COGL_WINSYS_FEATURE_FUNCTION (void, glXCopySubBuffer, + (Display *dpy, + GLXDrawable drawable, + int x, int y, int width, int height)) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (255, 255, + swap_event, + "INTEL\0", + "swap_event\0", + 0, + COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (255, 255, + create_context, + "ARB\0", + "create_context", + 0, + 0) +COGL_WINSYS_FEATURE_FUNCTION (GLXContext, glXCreateContextAttribs, + (Display *dpy, + GLXFBConfig config, + GLXContext share_context, + Bool direct, + const int *attrib_list)) +COGL_WINSYS_FEATURE_END () + +COGL_WINSYS_FEATURE_BEGIN (255, 255, + buffer_age, + "EXT\0", + "buffer_age\0", + 0, + COGL_WINSYS_FEATURE_BUFFER_AGE) +COGL_WINSYS_FEATURE_END () diff --git a/cogl/winsys/cogl-winsys-glx-private.h b/cogl/winsys/cogl-winsys-glx-private.h new file mode 100644 index 0000000..9fb386f --- /dev/null +++ b/cogl/winsys/cogl-winsys-glx-private.h @@ -0,0 +1,37 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_GLX_PRIVATE_H +#define __COGL_WINSYS_GLX_PRIVATE_H + +const CoglWinsysVtable * +_cogl_winsys_glx_get_vtable (void); + +#endif /* __COGL_WINSYS_GLX_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-glx.c b/cogl/winsys/cogl-winsys-glx.c new file mode 100644 index 0000000..3095acf --- /dev/null +++ b/cogl/winsys/cogl-winsys-glx.c @@ -0,0 +1,2718 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010,2011,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-i18n-private.h" +#include "cogl-util.h" +#include "cogl-winsys-private.h" +#include "cogl-feature-private.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer.h" +#include "cogl-swap-chain-private.h" +#include "cogl-renderer-private.h" +#include "cogl-glx-renderer-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-glx-display-private.h" +#include "cogl-private.h" +#include "cogl-texture-2d-private.h" +#include "cogl-texture-rectangle-private.h" +#include "cogl-pipeline-opengl-private.h" +#include "cogl-frame-info-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-swap-chain-private.h" +#include "cogl-xlib-renderer.h" +#include "cogl-util.h" +#include "cogl-winsys-glx-private.h" +#include "cogl-error-private.h" +#include "cogl-poll-private.h" +#include "cogl-version.h" +#include "cogl-glx.h" + +#include +#include +#include +#include +#include +#include + +#include +#include + +#define COGL_ONSCREEN_X11_EVENT_MASK (StructureNotifyMask | ExposureMask) +#define MAX_GLX_CONFIG_ATTRIBS 30 + +typedef struct _CoglContextGLX +{ + GLXDrawable current_drawable; +} CoglContextGLX; + +typedef struct _CoglOnscreenXlib +{ + Window xwin; + int x, y; + CoglBool is_foreign_xwin; + CoglOutput *output; +} CoglOnscreenXlib; + +typedef struct _CoglOnscreenGLX +{ + CoglOnscreenXlib _parent; + GLXDrawable glxwin; + uint32_t last_swap_vsync_counter; + CoglBool pending_sync_notify; + CoglBool pending_complete_notify; + CoglBool pending_resize_notify; +} CoglOnscreenGLX; + +typedef struct _CoglTexturePixmapGLX +{ + GLXPixmap glx_pixmap; + CoglBool has_mipmap_space; + CoglBool can_mipmap; + + CoglTexture *glx_tex; + + CoglBool bind_tex_image_queued; + CoglBool pixmap_bound; +} CoglTexturePixmapGLX; + +/* Define a set of arrays containing the functions required from GL + for each winsys feature */ +#define COGL_WINSYS_FEATURE_BEGIN(major_version, minor_version, \ + name, namespaces, extension_names, \ + feature_flags, \ + winsys_feature) \ + static const CoglFeatureFunction \ + cogl_glx_feature_ ## name ## _funcs[] = { +#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) \ + { G_STRINGIFY (name), G_STRUCT_OFFSET (CoglGLXRenderer, name) }, +#define COGL_WINSYS_FEATURE_END() \ + { NULL, 0 }, \ + }; +#include "cogl-winsys-glx-feature-functions.h" + +/* Define an array of features */ +#undef COGL_WINSYS_FEATURE_BEGIN +#define COGL_WINSYS_FEATURE_BEGIN(major_version, minor_version, \ + name, namespaces, extension_names, \ + feature_flags, \ + winsys_feature) \ + { major_version, minor_version, \ + 0, namespaces, extension_names, \ + feature_flags, \ + 0, \ + winsys_feature, \ + cogl_glx_feature_ ## name ## _funcs }, +#undef COGL_WINSYS_FEATURE_FUNCTION +#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) +#undef COGL_WINSYS_FEATURE_END +#define COGL_WINSYS_FEATURE_END() + +static const CoglFeatureData winsys_feature_data[] = + { +#include "cogl-winsys-glx-feature-functions.h" + }; + +static CoglFuncPtr +_cogl_winsys_renderer_get_proc_address (CoglRenderer *renderer, + const char *name, + CoglBool in_core) +{ + CoglGLXRenderer *glx_renderer = renderer->winsys; + + /* The GLX_ARB_get_proc_address extension documents that this should + * work for core functions too so we don't need to do anything + * special with in_core */ + + return glx_renderer->glXGetProcAddress ((const GLubyte *) name); +} + +static CoglOnscreen * +find_onscreen_for_xid (CoglContext *context, uint32_t xid) +{ + GList *l; + + for (l = context->framebuffers; l; l = l->next) + { + CoglFramebuffer *framebuffer = l->data; + CoglOnscreenXlib *xlib_onscreen; + + if (framebuffer->type != COGL_FRAMEBUFFER_TYPE_ONSCREEN) + continue; + + /* Does the GLXEvent have the GLXDrawable or the X Window? */ + xlib_onscreen = COGL_ONSCREEN (framebuffer)->winsys; + if (xlib_onscreen->xwin == (Window)xid) + return COGL_ONSCREEN (framebuffer); + } + + return NULL; +} + +static void +ensure_ust_type (CoglRenderer *renderer, + GLXDrawable drawable) +{ + CoglGLXRenderer *glx_renderer = renderer->winsys; + CoglXlibRenderer *xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + int64_t ust; + int64_t msc; + int64_t sbc; + struct timeval tv; + struct timespec ts; + int64_t current_system_time; + int64_t current_monotonic_time; + + if (glx_renderer->ust_type != COGL_GLX_UST_IS_UNKNOWN) + return; + + glx_renderer->ust_type = COGL_GLX_UST_IS_OTHER; + + if (glx_renderer->glXGetSyncValues == NULL) + goto out; + + if (!glx_renderer->glXGetSyncValues (xlib_renderer->xdpy, drawable, + &ust, &msc, &sbc)) + goto out; + + /* This is the time source that existing (buggy) linux drm drivers + * use */ + gettimeofday (&tv, NULL); + current_system_time = (tv.tv_sec * G_GINT64_CONSTANT (1000000)) + tv.tv_usec; + + if (current_system_time > ust - 1000000 && + current_system_time < ust + 1000000) + { + glx_renderer->ust_type = COGL_GLX_UST_IS_GETTIMEOFDAY; + goto out; + } + + /* This is the time source that the newer (fixed) linux drm + * drivers use (Linux >= 3.8) */ + clock_gettime (CLOCK_MONOTONIC, &ts); + current_monotonic_time = (ts.tv_sec * G_GINT64_CONSTANT (1000000)) + + (ts.tv_nsec / G_GINT64_CONSTANT (1000)); + + if (current_monotonic_time > ust - 1000000 && + current_monotonic_time < ust + 1000000) + { + glx_renderer->ust_type = COGL_GLX_UST_IS_MONOTONIC_TIME; + goto out; + } + + out: + COGL_NOTE (WINSYS, "Classified OML system time as: %s", + glx_renderer->ust_type == COGL_GLX_UST_IS_GETTIMEOFDAY ? "gettimeofday" : + (glx_renderer->ust_type == COGL_GLX_UST_IS_MONOTONIC_TIME ? "monotonic" : + "other")); + return; +} + +static int64_t +ust_to_nanoseconds (CoglRenderer *renderer, + GLXDrawable drawable, + int64_t ust) +{ + CoglGLXRenderer *glx_renderer = renderer->winsys; + + ensure_ust_type (renderer, drawable); + + switch (glx_renderer->ust_type) + { + case COGL_GLX_UST_IS_UNKNOWN: + g_assert_not_reached (); + break; + case COGL_GLX_UST_IS_GETTIMEOFDAY: + case COGL_GLX_UST_IS_MONOTONIC_TIME: + return 1000 * ust; + case COGL_GLX_UST_IS_OTHER: + /* In this case the scale of UST is undefined so we can't easily + * scale to nanoseconds. + * + * For example the driver may be reporting the rdtsc CPU counter + * as UST values and so the scale would need to be determined + * empirically. + * + * Potentially we could block for a known duration within + * ensure_ust_type() to measure the timescale of UST but for now + * we just ignore unknown time sources */ + return 0; + } + + return 0; +} + +static int64_t +_cogl_winsys_get_clock_time (CoglContext *context) +{ + CoglGLXRenderer *glx_renderer = context->display->renderer->winsys; + + /* We don't call ensure_ust_type() because we don't have a drawable + * to work with. cogl_get_clock_time() is documented to only work + * once a valid, non-zero, timestamp has been retrieved from Cogl. + */ + + switch (glx_renderer->ust_type) + { + case COGL_GLX_UST_IS_UNKNOWN: + case COGL_GLX_UST_IS_OTHER: + return 0; + case COGL_GLX_UST_IS_GETTIMEOFDAY: + { + struct timeval tv; + + gettimeofday(&tv, NULL); + return tv.tv_sec * G_GINT64_CONSTANT (1000000000) + + tv.tv_usec * G_GINT64_CONSTANT (1000); + } + case COGL_GLX_UST_IS_MONOTONIC_TIME: + { + struct timespec ts; + + clock_gettime (CLOCK_MONOTONIC, &ts); + return ts.tv_sec * G_GINT64_CONSTANT (1000000000) + ts.tv_nsec; + } + } + + g_assert_not_reached(); + return 0; +} + +static void +flush_pending_notifications_cb (void *data, + void *user_data) +{ + CoglFramebuffer *framebuffer = data; + + if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN) + { + CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer); + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + CoglBool pending_sync_notify = glx_onscreen->pending_sync_notify; + CoglBool pending_complete_notify = glx_onscreen->pending_complete_notify; + + /* If swap_region is called then notifying the sync event could + * potentially immediately queue a subsequent pending notify so + * we need to clear the flag before invoking the callback */ + glx_onscreen->pending_sync_notify = FALSE; + glx_onscreen->pending_complete_notify = FALSE; + + if (pending_sync_notify) + { + CoglFrameInfo *info = g_queue_peek_head (&onscreen->pending_frame_infos); + + _cogl_onscreen_notify_frame_sync (onscreen, info); + } + + if (pending_complete_notify) + { + CoglFrameInfo *info = g_queue_pop_head (&onscreen->pending_frame_infos); + + _cogl_onscreen_notify_complete (onscreen, info); + + cogl_object_unref (info); + } + + if (glx_onscreen->pending_resize_notify) + { + _cogl_onscreen_notify_resize (onscreen); + glx_onscreen->pending_resize_notify = FALSE; + } + } +} + +static void +flush_pending_notifications_idle (void *user_data) +{ + CoglContext *context = user_data; + CoglRenderer *renderer = context->display->renderer; + CoglGLXRenderer *glx_renderer = renderer->winsys; + + /* This needs to be disconnected before invoking the callbacks in + * case the callbacks cause it to be queued again */ + _cogl_closure_disconnect (glx_renderer->flush_notifications_idle); + glx_renderer->flush_notifications_idle = NULL; + + g_list_foreach (context->framebuffers, + flush_pending_notifications_cb, + NULL); +} + +static void +set_sync_pending (CoglOnscreen *onscreen) +{ + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglRenderer *renderer = context->display->renderer; + CoglGLXRenderer *glx_renderer = renderer->winsys; + + /* We only want to dispatch sync events when the application calls + * cogl_context_dispatch so instead of immediately notifying we + * queue an idle callback */ + if (!glx_renderer->flush_notifications_idle) + { + glx_renderer->flush_notifications_idle = + _cogl_poll_renderer_add_idle (renderer, + flush_pending_notifications_idle, + context, + NULL); + } + + glx_onscreen->pending_sync_notify = TRUE; +} + +static void +set_complete_pending (CoglOnscreen *onscreen) +{ + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglRenderer *renderer = context->display->renderer; + CoglGLXRenderer *glx_renderer = renderer->winsys; + + /* We only want to notify swap completion when the application calls + * cogl_context_dispatch so instead of immediately notifying we + * queue an idle callback */ + if (!glx_renderer->flush_notifications_idle) + { + glx_renderer->flush_notifications_idle = + _cogl_poll_renderer_add_idle (renderer, + flush_pending_notifications_idle, + context, + NULL); + } + + glx_onscreen->pending_complete_notify = TRUE; +} + +static void +notify_swap_buffers (CoglContext *context, GLXBufferSwapComplete *swap_event) +{ + CoglOnscreen *onscreen = find_onscreen_for_xid (context, (uint32_t)swap_event->drawable); + CoglOnscreenGLX *glx_onscreen; + + if (!onscreen) + return; + glx_onscreen = onscreen->winsys; + + /* We only want to notify that the swap is complete when the + application calls cogl_context_dispatch so instead of immediately + notifying we'll set a flag to remember to notify later */ + set_sync_pending (onscreen); + + if (swap_event->ust != 0) + { + CoglFrameInfo *info = g_queue_peek_head (&onscreen->pending_frame_infos); + + info->presentation_time = + ust_to_nanoseconds (context->display->renderer, + glx_onscreen->glxwin, + swap_event->ust); + } + + set_complete_pending (onscreen); +} + +static void +update_output (CoglOnscreen *onscreen) +{ + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglOutput *output; + int width, height; + + width = cogl_framebuffer_get_width (framebuffer); + height = cogl_framebuffer_get_height (framebuffer); + output = _cogl_xlib_renderer_output_for_rectangle (display->renderer, + xlib_onscreen->x, + xlib_onscreen->y, + width, height); + if (xlib_onscreen->output != output) + { + if (xlib_onscreen->output) + cogl_object_unref (xlib_onscreen->output); + + xlib_onscreen->output = output; + + if (output) + cogl_object_ref (xlib_onscreen->output); + } +} + +static void +notify_resize (CoglContext *context, + XConfigureEvent *configure_event) +{ + CoglOnscreen *onscreen = find_onscreen_for_xid (context, + configure_event->window); + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglRenderer *renderer = context->display->renderer; + CoglGLXRenderer *glx_renderer = renderer->winsys; + CoglOnscreenGLX *glx_onscreen; + CoglOnscreenXlib *xlib_onscreen; + + if (!onscreen) + return; + + glx_onscreen = onscreen->winsys; + xlib_onscreen = onscreen->winsys; + + _cogl_framebuffer_winsys_update_size (framebuffer, + configure_event->width, + configure_event->height); + + /* We only want to notify that a resize happened when the + * application calls cogl_context_dispatch so instead of immediately + * notifying we queue an idle callback */ + if (!glx_renderer->flush_notifications_idle) + { + glx_renderer->flush_notifications_idle = + _cogl_poll_renderer_add_idle (renderer, + flush_pending_notifications_idle, + context, + NULL); + } + + glx_onscreen->pending_resize_notify = TRUE; + + if (!xlib_onscreen->is_foreign_xwin) + { + int x, y; + + if (configure_event->send_event) + { + x = configure_event->x; + y = configure_event->y; + } + else + { + Window child; + XTranslateCoordinates (configure_event->display, + configure_event->window, + DefaultRootWindow (configure_event->display), + 0, 0, &x, &y, &child); + } + + xlib_onscreen->x = x; + xlib_onscreen->y = y; + + update_output (onscreen); + } +} + +static CoglFilterReturn +glx_event_filter_cb (XEvent *xevent, void *data) +{ + CoglContext *context = data; +#ifdef GLX_INTEL_swap_event + CoglGLXRenderer *glx_renderer; +#endif + + if (xevent->type == ConfigureNotify) + { + notify_resize (context, + &xevent->xconfigure); + + /* we let ConfigureNotify pass through */ + return COGL_FILTER_CONTINUE; + } + +#ifdef GLX_INTEL_swap_event + glx_renderer = context->display->renderer->winsys; + + if (xevent->type == (glx_renderer->glx_event_base + GLX_BufferSwapComplete)) + { + GLXBufferSwapComplete *swap_event = (GLXBufferSwapComplete *) xevent; + + notify_swap_buffers (context, swap_event); + + /* remove SwapComplete events from the queue */ + return COGL_FILTER_REMOVE; + } +#endif /* GLX_INTEL_swap_event */ + + if (xevent->type == Expose) + { + CoglOnscreen *onscreen = + find_onscreen_for_xid (context, xevent->xexpose.window); + + if (onscreen) + { + CoglOnscreenDirtyInfo info; + + info.x = xevent->xexpose.x; + info.y = xevent->xexpose.y; + info.width = xevent->xexpose.width; + info.height = xevent->xexpose.height; + + _cogl_onscreen_queue_dirty (onscreen, &info); + } + + return COGL_FILTER_CONTINUE; + } + + return COGL_FILTER_CONTINUE; +} + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + CoglGLXRenderer *glx_renderer = renderer->winsys; + + _cogl_xlib_renderer_disconnect (renderer); + + if (glx_renderer->libgl_module) + g_module_close (glx_renderer->libgl_module); + + g_slice_free (CoglGLXRenderer, renderer->winsys); +} + +static CoglBool +update_all_outputs (CoglRenderer *renderer) +{ + GList *l; + + _COGL_GET_CONTEXT (context, FALSE); + + if (context->display == NULL) /* during connection */ + return FALSE; + + if (context->display->renderer != renderer) + return FALSE; + + for (l = context->framebuffers; l; l = l->next) + { + CoglFramebuffer *framebuffer = l->data; + + if (framebuffer->type != COGL_FRAMEBUFFER_TYPE_ONSCREEN) + continue; + + update_output (COGL_ONSCREEN (framebuffer)); + } + + return TRUE; +} + +static void +_cogl_winsys_renderer_outputs_changed (CoglRenderer *renderer) +{ + update_all_outputs (renderer); +} + +static CoglBool +resolve_core_glx_functions (CoglRenderer *renderer, + CoglError **error) +{ + CoglGLXRenderer *glx_renderer; + + glx_renderer = renderer->winsys; + + if (!g_module_symbol (glx_renderer->libgl_module, "glXQueryExtension", + (void **) &glx_renderer->glXQueryExtension) || + !g_module_symbol (glx_renderer->libgl_module, "glXQueryVersion", + (void **) &glx_renderer->glXQueryVersion) || + !g_module_symbol (glx_renderer->libgl_module, "glXQueryExtensionsString", + (void **) &glx_renderer->glXQueryExtensionsString) || + (!g_module_symbol (glx_renderer->libgl_module, "glXGetProcAddress", + (void **) &glx_renderer->glXGetProcAddress) && + !g_module_symbol (glx_renderer->libgl_module, "glXGetProcAddressARB", + (void **) &glx_renderer->glXGetProcAddress)) || + !g_module_symbol (glx_renderer->libgl_module, "glXQueryDrawable", + (void **) &glx_renderer->glXQueryDrawable)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Failed to resolve required GLX symbol"); + return FALSE; + } + + return TRUE; +} + +static void +update_base_winsys_features (CoglRenderer *renderer) +{ + CoglGLXRenderer *glx_renderer = renderer->winsys; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (renderer); + const char *glx_extensions; + int default_screen; + char **split_extensions; + int i; + + default_screen = DefaultScreen (xlib_renderer->xdpy); + glx_extensions = + glx_renderer->glXQueryExtensionsString (xlib_renderer->xdpy, + default_screen); + + COGL_NOTE (WINSYS, " GLX Extensions: %s", glx_extensions); + + split_extensions = g_strsplit (glx_extensions, " ", 0 /* max_tokens */); + + for (i = 0; i < G_N_ELEMENTS (winsys_feature_data); i++) + if (_cogl_feature_check (renderer, + "GLX", winsys_feature_data + i, + glx_renderer->glx_major, + glx_renderer->glx_minor, + COGL_DRIVER_GL, /* the driver isn't used */ + split_extensions, + glx_renderer)) + { + glx_renderer->legacy_feature_flags |= + winsys_feature_data[i].feature_flags; + if (winsys_feature_data[i].winsys_feature) + COGL_FLAGS_SET (glx_renderer->base_winsys_features, + winsys_feature_data[i].winsys_feature, + TRUE); + } + + g_strfreev (split_extensions); + + /* Note: the GLX_SGI_video_sync spec explicitly states this extension + * only works for direct contexts. */ + if (!glx_renderer->is_direct) + { + glx_renderer->glXGetVideoSync = NULL; + glx_renderer->glXWaitVideoSync = NULL; + COGL_FLAGS_SET (glx_renderer->base_winsys_features, + COGL_WINSYS_FEATURE_VBLANK_COUNTER, + FALSE); + } + + COGL_FLAGS_SET (glx_renderer->base_winsys_features, + COGL_WINSYS_FEATURE_MULTIPLE_ONSCREEN, + TRUE); + + if (glx_renderer->glXWaitVideoSync || + glx_renderer->glXWaitForMsc) + COGL_FLAGS_SET (glx_renderer->base_winsys_features, + COGL_WINSYS_FEATURE_VBLANK_WAIT, + TRUE); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + CoglGLXRenderer *glx_renderer; + CoglXlibRenderer *xlib_renderer; + + renderer->winsys = g_slice_new0 (CoglGLXRenderer); + + glx_renderer = renderer->winsys; + xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + + if (!_cogl_xlib_renderer_connect (renderer, error)) + goto error; + + if (renderer->driver != COGL_DRIVER_GL && + renderer->driver != COGL_DRIVER_GL3) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "GLX Backend can only be used in conjunction with OpenGL"); + goto error; + } + + glx_renderer->libgl_module = g_module_open (COGL_GL_LIBNAME, + G_MODULE_BIND_LAZY); + + if (glx_renderer->libgl_module == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "Failed to dynamically open the OpenGL library"); + goto error; + } + + if (!resolve_core_glx_functions (renderer, error)) + goto error; + + if (!glx_renderer->glXQueryExtension (xlib_renderer->xdpy, + &glx_renderer->glx_error_base, + &glx_renderer->glx_event_base)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "XServer appears to lack required GLX support"); + goto error; + } + + /* XXX: Note: For a long time Mesa exported a hybrid GLX, exporting + * extensions specified to require GLX 1.3, but still reporting 1.2 + * via glXQueryVersion. */ + if (!glx_renderer->glXQueryVersion (xlib_renderer->xdpy, + &glx_renderer->glx_major, + &glx_renderer->glx_minor) + || !(glx_renderer->glx_major == 1 && glx_renderer->glx_minor >= 2)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "XServer appears to lack required GLX 1.2 support"); + goto error; + } + + update_base_winsys_features (renderer); + + glx_renderer->dri_fd = -1; + + return TRUE; + +error: + _cogl_winsys_renderer_disconnect (renderer); + return FALSE; +} + +static CoglBool +update_winsys_features (CoglContext *context, CoglError **error) +{ + CoglGLXDisplay *glx_display = context->display->winsys; + CoglGLXRenderer *glx_renderer = context->display->renderer->winsys; + + _COGL_RETURN_VAL_IF_FAIL (glx_display->glx_context, FALSE); + + if (!_cogl_context_update_features (context, error)) + return FALSE; + + memcpy (context->winsys_features, + glx_renderer->base_winsys_features, + sizeof (context->winsys_features)); + + context->feature_flags |= glx_renderer->legacy_feature_flags; + + context->feature_flags |= COGL_FEATURE_ONSCREEN_MULTIPLE; + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_ONSCREEN_MULTIPLE, TRUE); + + if (glx_renderer->glXCopySubBuffer || context->glBlitFramebuffer) + { + CoglGpuInfo *info = &context->gpu; + CoglGpuInfoArchitecture arch = info->architecture; + + COGL_FLAGS_SET (context->winsys_features, COGL_WINSYS_FEATURE_SWAP_REGION, TRUE); + + /* + * "The "drisw" binding in Mesa for loading sofware renderers is + * broken, and neither glBlitFramebuffer nor glXCopySubBuffer + * work correctly." + * - ajax + * - https://bugzilla.gnome.org/show_bug.cgi?id=674208 + * + * This is broken in software Mesa at least as of 7.10 and got + * fixed in Mesa 10.1 + */ + + if (info->driver_package == COGL_GPU_INFO_DRIVER_PACKAGE_MESA && + info->driver_package_version < COGL_VERSION_ENCODE (10, 1, 0) && + (arch == COGL_GPU_INFO_ARCHITECTURE_LLVMPIPE || + arch == COGL_GPU_INFO_ARCHITECTURE_SOFTPIPE || + arch == COGL_GPU_INFO_ARCHITECTURE_SWRAST)) + { + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_SWAP_REGION, FALSE); + } + } + + /* Note: glXCopySubBuffer and glBlitFramebuffer won't be throttled + * by the SwapInterval so we have to throttle swap_region requests + * manually... */ + if (_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SWAP_REGION) && + _cogl_winsys_has_feature (COGL_WINSYS_FEATURE_VBLANK_WAIT)) + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_SWAP_REGION_THROTTLE, TRUE); + + if (_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT)) + { + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_SWAP_BUFFERS_EVENT, TRUE); + /* TODO: remove this deprecated feature */ + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_SWAP_BUFFERS_EVENT, + TRUE); + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_PRESENTATION_TIME, + TRUE); + } + + /* We'll manually handle queueing dirty events in response to + * Expose events from X */ + COGL_FLAGS_SET (context->private_features, + COGL_PRIVATE_FEATURE_DIRTY_EVENTS, + TRUE); + + if (_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_BUFFER_AGE)) + COGL_FLAGS_SET (context->features, COGL_FEATURE_ID_BUFFER_AGE, TRUE); + + return TRUE; +} + +static void +glx_attributes_from_framebuffer_config (CoglDisplay *display, + CoglFramebufferConfig *config, + int *attributes) +{ + CoglGLXRenderer *glx_renderer = display->renderer->winsys; + int i = 0; + + attributes[i++] = GLX_DRAWABLE_TYPE; + attributes[i++] = GLX_WINDOW_BIT; + + attributes[i++] = GLX_RENDER_TYPE; + attributes[i++] = GLX_RGBA_BIT; + + attributes[i++] = GLX_DOUBLEBUFFER; + attributes[i++] = GL_TRUE; + + attributes[i++] = GLX_RED_SIZE; + attributes[i++] = 1; + attributes[i++] = GLX_GREEN_SIZE; + attributes[i++] = 1; + attributes[i++] = GLX_BLUE_SIZE; + attributes[i++] = 1; + attributes[i++] = GLX_ALPHA_SIZE; + attributes[i++] = config->swap_chain->has_alpha ? 1 : GLX_DONT_CARE; + attributes[i++] = GLX_DEPTH_SIZE; + attributes[i++] = 1; + attributes[i++] = GLX_STENCIL_SIZE; + attributes[i++] = config->need_stencil ? 1: GLX_DONT_CARE; + + if (glx_renderer->glx_major == 1 && glx_renderer->glx_minor >= 4 && + config->samples_per_pixel) + { + attributes[i++] = GLX_SAMPLE_BUFFERS; + attributes[i++] = 1; + attributes[i++] = GLX_SAMPLES; + attributes[i++] = config->samples_per_pixel; + } + + attributes[i++] = None; + + g_assert (i < MAX_GLX_CONFIG_ATTRIBS); +} + +/* It seems the GLX spec never defined an invalid GLXFBConfig that + * we could overload as an indication of error, so we have to return + * an explicit boolean status. */ +static CoglBool +find_fbconfig (CoglDisplay *display, + CoglFramebufferConfig *config, + GLXFBConfig *config_ret, + CoglError **error) +{ + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (display->renderer); + CoglGLXRenderer *glx_renderer = display->renderer->winsys; + GLXFBConfig *configs = NULL; + int n_configs; + static int attributes[MAX_GLX_CONFIG_ATTRIBS]; + CoglBool ret = TRUE; + int xscreen_num = DefaultScreen (xlib_renderer->xdpy); + + glx_attributes_from_framebuffer_config (display, config, attributes); + + configs = glx_renderer->glXChooseFBConfig (xlib_renderer->xdpy, + xscreen_num, + attributes, + &n_configs); + if (!configs || n_configs == 0) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Failed to find any compatible fbconfigs"); + ret = FALSE; + goto done; + } + + if (config->swap_chain->has_alpha) + { + int i; + + for (i = 0; i < n_configs; i++) + { + XVisualInfo *vinfo; + + vinfo = glx_renderer->glXGetVisualFromFBConfig (xlib_renderer->xdpy, + configs[i]); + if (vinfo == NULL) + continue; + + if (vinfo->depth == 32 && + (vinfo->red_mask | vinfo->green_mask | vinfo->blue_mask) + != 0xffffffff) + { + COGL_NOTE (WINSYS, "Found an ARGB FBConfig [index:%d]", i); + *config_ret = configs[i]; + goto done; + } + } + + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to find fbconfig with rgba visual"); + ret = FALSE; + goto done; + } + else + { + COGL_NOTE (WINSYS, "Using the first available FBConfig"); + *config_ret = configs[0]; + } + +done: + XFree (configs); + return ret; +} + +static GLXContext +create_gl3_context (CoglDisplay *display, + GLXFBConfig fb_config) +{ + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (display->renderer); + CoglGLXRenderer *glx_renderer = display->renderer->winsys; + + /* We want a core profile 3.1 context with no deprecated features */ + static const int attrib_list[] = + { + GLX_CONTEXT_MAJOR_VERSION_ARB, 3, + GLX_CONTEXT_MINOR_VERSION_ARB, 1, + GLX_CONTEXT_PROFILE_MASK_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB, + GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB, + None + }; + + /* Make sure that the display supports the GLX_ARB_create_context + extension */ + if (glx_renderer->glXCreateContextAttribs == NULL) + return NULL; + + return glx_renderer->glXCreateContextAttribs (xlib_renderer->xdpy, + fb_config, + NULL /* share_context */, + True, /* direct */ + attrib_list); +} + +static CoglBool +create_context (CoglDisplay *display, CoglError **error) +{ + CoglGLXDisplay *glx_display = display->winsys; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (display->renderer); + CoglGLXRenderer *glx_renderer = display->renderer->winsys; + CoglBool support_transparent_windows = + display->onscreen_template->config.swap_chain->has_alpha; + GLXFBConfig config; + CoglError *fbconfig_error = NULL; + XSetWindowAttributes attrs; + XVisualInfo *xvisinfo; + GLXDrawable dummy_drawable; + CoglXlibTrapState old_state; + + _COGL_RETURN_VAL_IF_FAIL (glx_display->glx_context == NULL, TRUE); + + glx_display->found_fbconfig = + find_fbconfig (display, &display->onscreen_template->config, &config, + &fbconfig_error); + if (!glx_display->found_fbconfig) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to find suitable fbconfig for the GLX context: %s", + fbconfig_error->message); + cogl_error_free (fbconfig_error); + return FALSE; + } + + glx_display->fbconfig = config; + glx_display->fbconfig_has_rgba_visual = support_transparent_windows; + + COGL_NOTE (WINSYS, "Creating GLX Context (display: %p)", + xlib_renderer->xdpy); + + if (display->renderer->driver == COGL_DRIVER_GL3) + glx_display->glx_context = create_gl3_context (display, config); + else + glx_display->glx_context = + glx_renderer->glXCreateNewContext (xlib_renderer->xdpy, + config, + GLX_RGBA_TYPE, + NULL, + True); + + if (glx_display->glx_context == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to create suitable GL context"); + return FALSE; + } + + glx_renderer->is_direct = + glx_renderer->glXIsDirect (xlib_renderer->xdpy, glx_display->glx_context); + + COGL_NOTE (WINSYS, "Setting %s context", + glx_renderer->is_direct ? "direct" : "indirect"); + + /* XXX: GLX doesn't let us make a context current without a window + * so we create a dummy window that we can use while no CoglOnscreen + * framebuffer is in use. + */ + + xvisinfo = glx_renderer->glXGetVisualFromFBConfig (xlib_renderer->xdpy, + config); + if (xvisinfo == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to retrieve the X11 visual"); + return FALSE; + } + + _cogl_xlib_renderer_trap_errors (display->renderer, &old_state); + + attrs.override_redirect = True; + attrs.colormap = XCreateColormap (xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy), + xvisinfo->visual, + AllocNone); + attrs.border_pixel = 0; + + glx_display->dummy_xwin = + XCreateWindow (xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy), + -100, -100, 1, 1, + 0, + xvisinfo->depth, + CopyFromParent, + xvisinfo->visual, + CWOverrideRedirect | CWColormap | CWBorderPixel, + &attrs); + + /* Try and create a GLXWindow to use with extensions dependent on + * GLX versions >= 1.3 that don't accept regular X Windows as GLX + * drawables. */ + if (glx_renderer->glx_major == 1 && glx_renderer->glx_minor >= 3) + { + glx_display->dummy_glxwin = + glx_renderer->glXCreateWindow (xlib_renderer->xdpy, + config, + glx_display->dummy_xwin, + NULL); + } + + if (glx_display->dummy_glxwin) + dummy_drawable = glx_display->dummy_glxwin; + else + dummy_drawable = glx_display->dummy_xwin; + + COGL_NOTE (WINSYS, "Selecting dummy 0x%x for the GLX context", + (unsigned int) dummy_drawable); + + glx_renderer->glXMakeContextCurrent (xlib_renderer->xdpy, + dummy_drawable, + dummy_drawable, + glx_display->glx_context); + + XFree (xvisinfo); + + if (_cogl_xlib_renderer_untrap_errors (display->renderer, &old_state)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to select the newly created GLX context"); + return FALSE; + } + + return TRUE; +} + +static void +_cogl_winsys_display_destroy (CoglDisplay *display) +{ + CoglGLXDisplay *glx_display = display->winsys; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (display->renderer); + CoglGLXRenderer *glx_renderer = display->renderer->winsys; + + _COGL_RETURN_IF_FAIL (glx_display != NULL); + + if (glx_display->glx_context) + { + glx_renderer->glXMakeContextCurrent (xlib_renderer->xdpy, + None, None, NULL); + glx_renderer->glXDestroyContext (xlib_renderer->xdpy, + glx_display->glx_context); + glx_display->glx_context = NULL; + } + + if (glx_display->dummy_glxwin) + { + glx_renderer->glXDestroyWindow (xlib_renderer->xdpy, + glx_display->dummy_glxwin); + glx_display->dummy_glxwin = None; + } + + if (glx_display->dummy_xwin) + { + XDestroyWindow (xlib_renderer->xdpy, glx_display->dummy_xwin); + glx_display->dummy_xwin = None; + } + + g_slice_free (CoglGLXDisplay, display->winsys); + display->winsys = NULL; +} + +static CoglBool +_cogl_winsys_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglGLXDisplay *glx_display; + int i; + + _COGL_RETURN_VAL_IF_FAIL (display->winsys == NULL, FALSE); + + glx_display = g_slice_new0 (CoglGLXDisplay); + display->winsys = glx_display; + + if (!create_context (display, error)) + goto error; + + for (i = 0; i < COGL_GLX_N_CACHED_CONFIGS; i++) + glx_display->glx_cached_configs[i].depth = -1; + + return TRUE; + +error: + _cogl_winsys_display_destroy (display); + return FALSE; +} + +static CoglBool +_cogl_winsys_context_init (CoglContext *context, CoglError **error) +{ + context->winsys = g_new0 (CoglContextGLX, 1); + + cogl_xlib_renderer_add_filter (context->display->renderer, + glx_event_filter_cb, + context); + return update_winsys_features (context, error); +} + +static void +_cogl_winsys_context_deinit (CoglContext *context) +{ + cogl_xlib_renderer_remove_filter (context->display->renderer, + glx_event_filter_cb, + context); + g_free (context->winsys); +} + +static CoglBool +_cogl_winsys_onscreen_init (CoglOnscreen *onscreen, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglGLXDisplay *glx_display = display->winsys; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (display->renderer); + CoglGLXRenderer *glx_renderer = display->renderer->winsys; + Window xwin; + CoglOnscreenXlib *xlib_onscreen; + CoglOnscreenGLX *glx_onscreen; + GLXFBConfig fbconfig; + CoglError *fbconfig_error = NULL; + + _COGL_RETURN_VAL_IF_FAIL (glx_display->glx_context, FALSE); + + if (!find_fbconfig (display, &framebuffer->config, + &fbconfig, + &fbconfig_error)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to find suitable fbconfig for the GLX context: %s", + fbconfig_error->message); + cogl_error_free (fbconfig_error); + return FALSE; + } + + /* Update the real number of samples_per_pixel now that we have + * found an fbconfig... */ + if (framebuffer->config.samples_per_pixel) + { + int samples; + int status = glx_renderer->glXGetFBConfigAttrib (xlib_renderer->xdpy, + fbconfig, + GLX_SAMPLES, + &samples); + g_return_val_if_fail (status == Success, TRUE); + framebuffer->samples_per_pixel = samples; + } + + /* FIXME: We need to explicitly Select for ConfigureNotify events. + * For foreign windows we need to be careful not to mess up any + * existing event mask. + * We need to document that for windows we create then toolkits + * must be careful not to clear event mask bits that we select. + */ + + /* XXX: Note we ignore the user's original width/height when + * given a foreign X window. */ + if (onscreen->foreign_xid) + { + Status status; + CoglXlibTrapState state; + XWindowAttributes attr; + int xerror; + + xwin = onscreen->foreign_xid; + + _cogl_xlib_renderer_trap_errors (display->renderer, &state); + + status = XGetWindowAttributes (xlib_renderer->xdpy, xwin, &attr); + XSync (xlib_renderer->xdpy, False); + xerror = _cogl_xlib_renderer_untrap_errors (display->renderer, &state); + if (status == 0 || xerror) + { + char message[1000]; + XGetErrorText (xlib_renderer->xdpy, xerror, message, sizeof(message)); + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Unable to query geometry of foreign xid 0x%08lX: %s", + xwin, message); + return FALSE; + } + + _cogl_framebuffer_winsys_update_size (framebuffer, + attr.width, attr.height); + + /* Make sure the app selects for the events we require... */ + onscreen->foreign_update_mask_callback (onscreen, + COGL_ONSCREEN_X11_EVENT_MASK, + onscreen->foreign_update_mask_data); + } + else + { + int width; + int height; + CoglXlibTrapState state; + XVisualInfo *xvisinfo; + XSetWindowAttributes xattr; + unsigned long mask; + int xerror; + + width = cogl_framebuffer_get_width (framebuffer); + height = cogl_framebuffer_get_height (framebuffer); + + _cogl_xlib_renderer_trap_errors (display->renderer, &state); + + xvisinfo = glx_renderer->glXGetVisualFromFBConfig (xlib_renderer->xdpy, + fbconfig); + if (xvisinfo == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Unable to retrieve the X11 visual of context's " + "fbconfig"); + return FALSE; + } + + /* window attributes */ + xattr.background_pixel = WhitePixel (xlib_renderer->xdpy, + DefaultScreen (xlib_renderer->xdpy)); + xattr.border_pixel = 0; + /* XXX: is this an X resource that we are leaking‽... */ + xattr.colormap = XCreateColormap (xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy), + xvisinfo->visual, + AllocNone); + xattr.event_mask = COGL_ONSCREEN_X11_EVENT_MASK; + + mask = CWBorderPixel | CWColormap | CWEventMask; + + xwin = XCreateWindow (xlib_renderer->xdpy, + DefaultRootWindow (xlib_renderer->xdpy), + 0, 0, + width, height, + 0, + xvisinfo->depth, + InputOutput, + xvisinfo->visual, + mask, &xattr); + + XFree (xvisinfo); + + XSync (xlib_renderer->xdpy, False); + xerror = _cogl_xlib_renderer_untrap_errors (display->renderer, &state); + if (xerror) + { + char message[1000]; + XGetErrorText (xlib_renderer->xdpy, xerror, + message, sizeof (message)); + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "X error while creating Window for CoglOnscreen: %s", + message); + return FALSE; + } + } + + onscreen->winsys = g_slice_new0 (CoglOnscreenGLX); + xlib_onscreen = onscreen->winsys; + glx_onscreen = onscreen->winsys; + + xlib_onscreen->xwin = xwin; + xlib_onscreen->is_foreign_xwin = onscreen->foreign_xid ? TRUE : FALSE; + + /* Try and create a GLXWindow to use with extensions dependent on + * GLX versions >= 1.3 that don't accept regular X Windows as GLX + * drawables. */ + if (glx_renderer->glx_major == 1 && glx_renderer->glx_minor >= 3) + { + glx_onscreen->glxwin = + glx_renderer->glXCreateWindow (xlib_renderer->xdpy, + fbconfig, + xlib_onscreen->xwin, + NULL); + } + +#ifdef GLX_INTEL_swap_event + if (_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT)) + { + GLXDrawable drawable = + glx_onscreen->glxwin ? glx_onscreen->glxwin : xlib_onscreen->xwin; + + /* similarly to above, we unconditionally select this event + * because we rely on it to advance the master clock, and + * drive redraw/relayout, animations and event handling. + */ + glx_renderer->glXSelectEvent (xlib_renderer->xdpy, + drawable, + GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK); + } +#endif /* GLX_INTEL_swap_event */ + + return TRUE; +} + +static void +_cogl_winsys_onscreen_deinit (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglContextGLX *glx_context = context->winsys; + CoglGLXDisplay *glx_display = context->display->winsys; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (context->display->renderer); + CoglGLXRenderer *glx_renderer = context->display->renderer->winsys; + CoglXlibTrapState old_state; + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + GLXDrawable drawable; + + /* If we never successfully allocated then there's nothing to do */ + if (glx_onscreen == NULL) + return; + + if (xlib_onscreen->output != NULL) + { + cogl_object_unref (xlib_onscreen->output); + xlib_onscreen->output = NULL; + } + + _cogl_xlib_renderer_trap_errors (context->display->renderer, &old_state); + + drawable = + glx_onscreen->glxwin == None ? xlib_onscreen->xwin : glx_onscreen->glxwin; + + /* Cogl always needs a valid context bound to something so if we are + * destroying the onscreen that is currently bound we'll switch back + * to the dummy drawable. Although the documentation for + * glXDestroyWindow states that a currently bound window won't + * actually be destroyed until it is unbound, it looks like this + * doesn't work if the X window itself is destroyed */ + if (drawable == glx_context->current_drawable) + { + GLXDrawable dummy_drawable = (glx_display->dummy_glxwin == None ? + glx_display->dummy_xwin : + glx_display->dummy_glxwin); + + glx_renderer->glXMakeContextCurrent (xlib_renderer->xdpy, + dummy_drawable, + dummy_drawable, + glx_display->glx_context); + glx_context->current_drawable = dummy_drawable; + } + + if (glx_onscreen->glxwin != None) + { + glx_renderer->glXDestroyWindow (xlib_renderer->xdpy, + glx_onscreen->glxwin); + glx_onscreen->glxwin = None; + } + + if (!xlib_onscreen->is_foreign_xwin && xlib_onscreen->xwin != None) + { + XDestroyWindow (xlib_renderer->xdpy, xlib_onscreen->xwin); + xlib_onscreen->xwin = None; + } + else + xlib_onscreen->xwin = None; + + XSync (xlib_renderer->xdpy, False); + + _cogl_xlib_renderer_untrap_errors (context->display->renderer, &old_state); + + g_slice_free (CoglOnscreenGLX, onscreen->winsys); + onscreen->winsys = NULL; +} + +static void +_cogl_winsys_onscreen_bind (CoglOnscreen *onscreen) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglContextGLX *glx_context = context->winsys; + CoglGLXDisplay *glx_display = context->display->winsys; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (context->display->renderer); + CoglGLXRenderer *glx_renderer = context->display->renderer->winsys; + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + CoglXlibTrapState old_state; + GLXDrawable drawable; + + drawable = + glx_onscreen->glxwin ? glx_onscreen->glxwin : xlib_onscreen->xwin; + + if (glx_context->current_drawable == drawable) + return; + + _cogl_xlib_renderer_trap_errors (context->display->renderer, &old_state); + + COGL_NOTE (WINSYS, + "MakeContextCurrent dpy: %p, window: 0x%x (%s), context: %p", + xlib_renderer->xdpy, + (unsigned int) drawable, + xlib_onscreen->is_foreign_xwin ? "foreign" : "native", + glx_display->glx_context); + + glx_renderer->glXMakeContextCurrent (xlib_renderer->xdpy, + drawable, + drawable, + glx_display->glx_context); + + /* In case we are using GLX_SGI_swap_control for vblank syncing + * we need call glXSwapIntervalSGI here to make sure that it + * affects the current drawable. + * + * Note: we explicitly set to 0 when we aren't using the swap + * interval to synchronize since some drivers have a default + * swap interval of 1. Sadly some drivers even ignore requests + * to disable the swap interval. + * + * NB: glXSwapIntervalSGI applies to the context not the + * drawable which is why we can't just do this once when the + * framebuffer is allocated. + * + * FIXME: We should check for GLX_EXT_swap_control which allows + * per framebuffer swap intervals. GLX_MESA_swap_control also + * allows per-framebuffer swap intervals but the semantics tend + * to be more muddled since Mesa drivers tend to expose both the + * MESA and SGI extensions which should technically be mutually + * exclusive. + */ + if (glx_renderer->glXSwapInterval) + { + CoglFramebuffer *fb = COGL_FRAMEBUFFER (onscreen); + if (fb->config.swap_throttled) + glx_renderer->glXSwapInterval (1); + else + glx_renderer->glXSwapInterval (0); + } + + XSync (xlib_renderer->xdpy, False); + + /* FIXME: We should be reporting a CoglError here + */ + if (_cogl_xlib_renderer_untrap_errors (context->display->renderer, + &old_state)) + { + g_warning ("X Error received while making drawable 0x%08lX current", + drawable); + return; + } + + glx_context->current_drawable = drawable; +} + +static void +_cogl_winsys_wait_for_gpu (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *ctx = framebuffer->context; + + ctx->glFinish (); +} + +static void +_cogl_winsys_wait_for_vblank (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *ctx = framebuffer->context; + CoglGLXRenderer *glx_renderer; + CoglXlibRenderer *xlib_renderer; + + glx_renderer = ctx->display->renderer->winsys; + xlib_renderer = _cogl_xlib_renderer_get_data (ctx->display->renderer); + + if (glx_renderer->glXWaitForMsc || + glx_renderer->glXGetVideoSync) + { + CoglFrameInfo *info = g_queue_peek_tail (&onscreen->pending_frame_infos); + + if (glx_renderer->glXWaitForMsc) + { + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + Drawable drawable = glx_onscreen->glxwin; + int64_t ust; + int64_t msc; + int64_t sbc; + + glx_renderer->glXGetSyncValues (xlib_renderer->xdpy, drawable, + &ust, &msc, &sbc); + glx_renderer->glXWaitForMsc (xlib_renderer->xdpy, drawable, + 0, 2, (msc + 1) % 2, + &ust, &msc, &sbc); + info->presentation_time = ust_to_nanoseconds (ctx->display->renderer, + drawable, + ust); + } + else + { + uint32_t current_count; + struct timespec ts; + + glx_renderer->glXGetVideoSync (¤t_count); + glx_renderer->glXWaitVideoSync (2, + (current_count + 1) % 2, + ¤t_count); + + clock_gettime (CLOCK_MONOTONIC, &ts); + info->presentation_time = + ts.tv_sec * G_GINT64_CONSTANT (1000000000) + ts.tv_nsec; + } + } +} + +static uint32_t +_cogl_winsys_get_vsync_counter (CoglContext *ctx) +{ + uint32_t video_sync_count; + CoglGLXRenderer *glx_renderer; + + glx_renderer = ctx->display->renderer->winsys; + + glx_renderer->glXGetVideoSync (&video_sync_count); + + return video_sync_count; +} + +#ifndef GLX_BACK_BUFFER_AGE_EXT +#define GLX_BACK_BUFFER_AGE_EXT 0x20F4 +#endif + +static int +_cogl_winsys_onscreen_get_buffer_age (CoglOnscreen *onscreen) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglXlibRenderer *xlib_renderer = _cogl_xlib_renderer_get_data (context->display->renderer); + CoglGLXRenderer *glx_renderer = context->display->renderer->winsys; + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + GLXDrawable drawable = glx_onscreen->glxwin ? glx_onscreen->glxwin : xlib_onscreen->xwin; + unsigned int age; + + if (!_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_BUFFER_AGE)) + return 0; + + glx_renderer->glXQueryDrawable (xlib_renderer->xdpy, drawable, GLX_BACK_BUFFER_AGE_EXT, &age); + + return age; +} + +static void +set_frame_info_output (CoglOnscreen *onscreen, + CoglOutput *output) +{ + CoglFrameInfo *info = g_queue_peek_tail (&onscreen->pending_frame_infos); + + info->output = output; + + if (output) + { + float refresh_rate = cogl_output_get_refresh_rate (output); + if (refresh_rate != 0.0) + info->refresh_rate = refresh_rate; + } +} + +static void +_cogl_winsys_onscreen_swap_region (CoglOnscreen *onscreen, + const int *user_rectangles, + int n_rectangles) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (context->display->renderer); + CoglGLXRenderer *glx_renderer = context->display->renderer->winsys; + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + GLXDrawable drawable = + glx_onscreen->glxwin ? glx_onscreen->glxwin : xlib_onscreen->xwin; + uint32_t end_frame_vsync_counter = 0; + CoglBool have_counter; + CoglBool can_wait; + int x_min = 0, x_max = 0, y_min = 0, y_max = 0; + + /* + * We assume that glXCopySubBuffer is synchronized which means it won't prevent multiple + * blits per retrace if they can all be performed in the blanking period. If that's the + * case then we still want to use the vblank sync menchanism but + * we only need it to throttle redraws. + */ + CoglBool blit_sub_buffer_is_synchronized = + _cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SWAP_REGION_SYNCHRONIZED); + + int framebuffer_width = cogl_framebuffer_get_width (framebuffer); + int framebuffer_height = cogl_framebuffer_get_height (framebuffer); + int *rectangles = g_alloca (sizeof (int) * n_rectangles * 4); + int i; + + /* glXCopySubBuffer expects rectangles relative to the bottom left corner but + * we are given rectangles relative to the top left so we need to flip + * them... */ + memcpy (rectangles, user_rectangles, sizeof (int) * n_rectangles * 4); + for (i = 0; i < n_rectangles; i++) + { + int *rect = &rectangles[4 * i]; + + if (i == 0) + { + x_min = rect[0]; + x_max = rect[0] + rect[2]; + y_min = rect[1]; + y_max = rect[1] + rect[3]; + } + else + { + x_min = MIN (x_min, rect[0]); + x_max = MAX (x_max, rect[0] + rect[2]); + y_min = MIN (y_min, rect[1]); + y_max = MAX (y_max, rect[1] + rect[3]); + } + + rect[1] = framebuffer_height - rect[1] - rect[3]; + + } + + _cogl_framebuffer_flush_state (framebuffer, + framebuffer, + COGL_FRAMEBUFFER_STATE_BIND); + + if (framebuffer->config.swap_throttled) + { + have_counter = + _cogl_winsys_has_feature (COGL_WINSYS_FEATURE_VBLANK_COUNTER); + can_wait = _cogl_winsys_has_feature (COGL_WINSYS_FEATURE_VBLANK_WAIT); + } + else + { + have_counter = FALSE; + can_wait = FALSE; + } + + /* We need to ensure that all the rendering is done, otherwise + * redraw operations that are slower than the framerate can + * queue up in the pipeline during a heavy animation, causing a + * larger and larger backlog of rendering visible as lag to the + * user. + * + * For an exaggerated example consider rendering at 60fps (so 16ms + * per frame) and you have a really slow frame that takes 160ms to + * render, even though painting the scene and issuing the commands + * to the GPU takes no time at all. If all we did was use the + * video_sync extension to throttle the painting done by the CPU + * then every 16ms we would have another frame queued up even though + * the GPU has only rendered one tenth of the current frame. By the + * time the GPU would get to the 2nd frame there would be 9 frames + * waiting to be rendered. + * + * The problem is that we don't currently have a good way to throttle + * the GPU, only the CPU so we have to resort to synchronizing the + * GPU with the CPU to throttle it. + * + * Note: since calling glFinish() and synchronizing the CPU with + * the GPU is far from ideal, we hope that this is only a short + * term solution. + * - One idea is to using sync objects to track render + * completion so we can throttle the backlog (ideally with an + * additional extension that lets us get notifications in our + * mainloop instead of having to busy wait for the + * completion.) + * - Another option is to support clipped redraws by reusing the + * contents of old back buffers such that we can flip instead + * of using a blit and then we can use GLX_INTEL_swap_events + * to throttle. For this though we would still probably want an + * additional extension so we can report the limited region of + * the window damage to X/compositors. + */ + _cogl_winsys_wait_for_gpu (onscreen); + + if (blit_sub_buffer_is_synchronized && have_counter && can_wait) + { + end_frame_vsync_counter = _cogl_winsys_get_vsync_counter (context); + + /* If we have the GLX_SGI_video_sync extension then we can + * be a bit smarter about how we throttle blits by avoiding + * any waits if we can see that the video sync count has + * already progressed. */ + if (glx_onscreen->last_swap_vsync_counter == end_frame_vsync_counter) + _cogl_winsys_wait_for_vblank (onscreen); + } + else if (can_wait) + _cogl_winsys_wait_for_vblank (onscreen); + + if (glx_renderer->glXCopySubBuffer) + { + Display *xdpy = xlib_renderer->xdpy; + int i; + for (i = 0; i < n_rectangles; i++) + { + int *rect = &rectangles[4 * i]; + glx_renderer->glXCopySubBuffer (xdpy, drawable, + rect[0], rect[1], rect[2], rect[3]); + } + } + else if (context->glBlitFramebuffer) + { + int i; + /* XXX: checkout how this state interacts with the code to use + * glBlitFramebuffer in Neil's texture atlasing branch */ + + /* glBlitFramebuffer is affected by the scissor so we need to + * ensure we have flushed an empty clip stack to get rid of it. + * We also mark that the clip state is dirty so that it will be + * flushed to the correct state the next time something is + * drawn */ + _cogl_clip_stack_flush (NULL, framebuffer); + context->current_draw_buffer_changes |= COGL_FRAMEBUFFER_STATE_CLIP; + + context->glDrawBuffer (GL_FRONT); + for (i = 0; i < n_rectangles; i++) + { + int *rect = &rectangles[4 * i]; + int x2 = rect[0] + rect[2]; + int y2 = rect[1] + rect[3]; + context->glBlitFramebuffer (rect[0], rect[1], x2, y2, + rect[0], rect[1], x2, y2, + GL_COLOR_BUFFER_BIT, GL_NEAREST); + } + context->glDrawBuffer (GL_BACK); + } + + /* NB: unlike glXSwapBuffers, glXCopySubBuffer and + * glBlitFramebuffer don't issue an implicit glFlush() so we + * have to flush ourselves if we want the request to complete in + * a finite amount of time since otherwise the driver can batch + * the command indefinitely. */ + context->glFlush (); + + /* NB: It's important we save the counter we read before acting on + * the swap request since if we are mixing and matching different + * swap methods between frames we don't want to read the timer e.g. + * after calling glFinish() some times and not for others. + * + * In other words; this way we consistently save the time at the end + * of the applications frame such that the counter isn't muddled by + * the varying costs of different swap methods. + */ + if (have_counter) + glx_onscreen->last_swap_vsync_counter = end_frame_vsync_counter; + + if (!xlib_onscreen->is_foreign_xwin) + { + CoglOutput *output; + + x_min = CLAMP (x_min, 0, framebuffer_width); + x_max = CLAMP (x_max, 0, framebuffer_width); + y_min = CLAMP (y_min, 0, framebuffer_width); + y_max = CLAMP (y_max, 0, framebuffer_height); + + output = + _cogl_xlib_renderer_output_for_rectangle (context->display->renderer, + xlib_onscreen->x + x_min, + xlib_onscreen->y + y_min, + x_max - x_min, + y_max - y_min); + + set_frame_info_output (onscreen, output); + } + + /* XXX: we don't get SwapComplete events based on how we implement + * the _swap_region() API but if cogl-onscreen.c knows we are + * handling _SYNC and _COMPLETE events in the winsys then we need to + * send fake events in this case. + */ + if (_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_SYNC_AND_COMPLETE_EVENT)) + { + set_sync_pending (onscreen); + set_complete_pending (onscreen); + } +} + +static void +_cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (context->display->renderer); + CoglGLXRenderer *glx_renderer = context->display->renderer->winsys; + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + CoglBool have_counter; + GLXDrawable drawable; + + /* XXX: theoretically this shouldn't be necessary but at least with + * the Intel drivers we have see that if we don't call + * glXMakeContextCurrent for the drawable we are swapping then + * we get a BadDrawable error from the X server. */ + _cogl_framebuffer_flush_state (framebuffer, + framebuffer, + COGL_FRAMEBUFFER_STATE_BIND); + + drawable = glx_onscreen->glxwin ? glx_onscreen->glxwin : xlib_onscreen->xwin; + + if (framebuffer->config.swap_throttled) + { + uint32_t end_frame_vsync_counter = 0; + + have_counter = + _cogl_winsys_has_feature (COGL_WINSYS_FEATURE_VBLANK_COUNTER); + + /* If the swap_region API is also being used then we need to track + * the vsync counter for each swap request so we can manually + * throttle swap_region requests. */ + if (have_counter) + end_frame_vsync_counter = _cogl_winsys_get_vsync_counter (context); + + if (!glx_renderer->glXSwapInterval) + { + CoglBool can_wait = + _cogl_winsys_has_feature (COGL_WINSYS_FEATURE_VBLANK_WAIT); + + /* If we are going to wait for VBLANK manually, we not only + * need to flush out pending drawing to the GPU before we + * sleep, we need to wait for it to finish. Otherwise, we + * may end up with the situation: + * + * - We finish drawing - GPU drawing continues + * - We go to sleep - GPU drawing continues + * VBLANK - We call glXSwapBuffers - GPU drawing continues + * - GPU drawing continues + * - Swap buffers happens + * + * Producing a tear. Calling glFinish() first will cause us + * to properly wait for the next VBLANK before we swap. This + * obviously does not happen when we use _GLX_SWAP and let + * the driver do the right thing + */ + _cogl_winsys_wait_for_gpu (onscreen); + + if (have_counter && can_wait) + { + if (glx_onscreen->last_swap_vsync_counter == + end_frame_vsync_counter) + _cogl_winsys_wait_for_vblank (onscreen); + } + else if (can_wait) + _cogl_winsys_wait_for_vblank (onscreen); + } + } + else + have_counter = FALSE; + + glx_renderer->glXSwapBuffers (xlib_renderer->xdpy, drawable); + + if (have_counter) + glx_onscreen->last_swap_vsync_counter = + _cogl_winsys_get_vsync_counter (context); + + set_frame_info_output (onscreen, xlib_onscreen->output); +} + +static uint32_t +_cogl_winsys_onscreen_x11_get_window_xid (CoglOnscreen *onscreen) +{ + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + return xlib_onscreen->xwin; +} + +static void +_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglContextGLX *glx_context = context->winsys; + CoglOnscreenGLX *glx_onscreen = onscreen->winsys; + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + GLXDrawable drawable = + glx_onscreen->glxwin ? glx_onscreen->glxwin : xlib_onscreen->xwin; + + if (glx_context->current_drawable != drawable) + return; + + glx_context->current_drawable = 0; + _cogl_winsys_onscreen_bind (onscreen); +} + +static void +_cogl_winsys_onscreen_set_visibility (CoglOnscreen *onscreen, + CoglBool visibility) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (context->display->renderer); + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + + if (visibility) + XMapWindow (xlib_renderer->xdpy, xlib_onscreen->xwin); + else + XUnmapWindow (xlib_renderer->xdpy, xlib_onscreen->xwin); +} + +static void +_cogl_winsys_onscreen_set_resizable (CoglOnscreen *onscreen, + CoglBool resizable) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (context->display->renderer); + CoglOnscreenXlib *xlib_onscreen = onscreen->winsys; + + XSizeHints *size_hints = XAllocSizeHints (); + + if (resizable) + { + /* TODO: Add cogl_onscreen_request_minimum_size () */ + size_hints->min_width = 1; + size_hints->min_height = 1; + + size_hints->max_width = INT_MAX; + size_hints->max_height = INT_MAX; + } + else + { + int width = cogl_framebuffer_get_width (framebuffer); + int height = cogl_framebuffer_get_height (framebuffer); + + size_hints->min_width = width; + size_hints->min_height = height; + + size_hints->max_width = width; + size_hints->max_height = height; + } + + XSetWMNormalHints (xlib_renderer->xdpy, xlib_onscreen->xwin, size_hints); + + XFree (size_hints); +} + +/* XXX: This is a particularly hacky _cogl_winsys interface... */ +static XVisualInfo * +_cogl_winsys_xlib_get_visual_info (void) +{ + CoglGLXDisplay *glx_display; + CoglXlibRenderer *xlib_renderer; + CoglGLXRenderer *glx_renderer; + + _COGL_GET_CONTEXT (ctx, NULL); + + _COGL_RETURN_VAL_IF_FAIL (ctx->display->winsys, FALSE); + + glx_display = ctx->display->winsys; + xlib_renderer = _cogl_xlib_renderer_get_data (ctx->display->renderer); + glx_renderer = ctx->display->renderer->winsys; + + if (!glx_display->found_fbconfig) + return NULL; + + return glx_renderer->glXGetVisualFromFBConfig (xlib_renderer->xdpy, + glx_display->fbconfig); +} + +static CoglBool +get_fbconfig_for_depth (CoglContext *context, + unsigned int depth, + GLXFBConfig *fbconfig_ret, + CoglBool *can_mipmap_ret) +{ + CoglXlibRenderer *xlib_renderer; + CoglGLXRenderer *glx_renderer; + CoglGLXDisplay *glx_display; + Display *dpy; + GLXFBConfig *fbconfigs; + int n_elements, i; + int db, stencil, alpha, mipmap, rgba, value; + int spare_cache_slot = 0; + CoglBool found = FALSE; + + xlib_renderer = _cogl_xlib_renderer_get_data (context->display->renderer); + glx_renderer = context->display->renderer->winsys; + glx_display = context->display->winsys; + + /* Check if we've already got a cached config for this depth */ + for (i = 0; i < COGL_GLX_N_CACHED_CONFIGS; i++) + if (glx_display->glx_cached_configs[i].depth == -1) + spare_cache_slot = i; + else if (glx_display->glx_cached_configs[i].depth == depth) + { + *fbconfig_ret = glx_display->glx_cached_configs[i].fb_config; + *can_mipmap_ret = glx_display->glx_cached_configs[i].can_mipmap; + return glx_display->glx_cached_configs[i].found; + } + + dpy = xlib_renderer->xdpy; + + fbconfigs = glx_renderer->glXGetFBConfigs (dpy, DefaultScreen (dpy), + &n_elements); + + db = G_MAXSHORT; + stencil = G_MAXSHORT; + mipmap = 0; + rgba = 0; + + for (i = 0; i < n_elements; i++) + { + XVisualInfo *vi; + int visual_depth; + + vi = glx_renderer->glXGetVisualFromFBConfig (dpy, fbconfigs[i]); + if (vi == NULL) + continue; + + visual_depth = vi->depth; + + XFree (vi); + + if (visual_depth != depth) + continue; + + glx_renderer->glXGetFBConfigAttrib (dpy, + fbconfigs[i], + GLX_ALPHA_SIZE, + &alpha); + glx_renderer->glXGetFBConfigAttrib (dpy, + fbconfigs[i], + GLX_BUFFER_SIZE, + &value); + if (value != depth && (value - alpha) != depth) + continue; + + if (glx_renderer->glx_major == 1 && glx_renderer->glx_minor >= 4) + { + glx_renderer->glXGetFBConfigAttrib (dpy, + fbconfigs[i], + GLX_SAMPLES, + &value); + if (value > 1) + continue; + } + + value = 0; + if (depth == 32) + { + glx_renderer->glXGetFBConfigAttrib (dpy, + fbconfigs[i], + GLX_BIND_TO_TEXTURE_RGBA_EXT, + &value); + if (value) + rgba = 1; + } + + if (!value) + { + if (rgba) + continue; + + glx_renderer->glXGetFBConfigAttrib (dpy, + fbconfigs[i], + GLX_BIND_TO_TEXTURE_RGB_EXT, + &value); + if (!value) + continue; + } + + glx_renderer->glXGetFBConfigAttrib (dpy, + fbconfigs[i], + GLX_DOUBLEBUFFER, + &value); + if (value > db) + continue; + + db = value; + + glx_renderer->glXGetFBConfigAttrib (dpy, + fbconfigs[i], + GLX_STENCIL_SIZE, + &value); + if (value > stencil) + continue; + + stencil = value; + + /* glGenerateMipmap is defined in the offscreen extension */ + if (cogl_has_feature (context, COGL_FEATURE_ID_OFFSCREEN)) + { + glx_renderer->glXGetFBConfigAttrib (dpy, + fbconfigs[i], + GLX_BIND_TO_MIPMAP_TEXTURE_EXT, + &value); + + if (value < mipmap) + continue; + + mipmap = value; + } + + *fbconfig_ret = fbconfigs[i]; + *can_mipmap_ret = mipmap; + found = TRUE; + } + + if (n_elements) + XFree (fbconfigs); + + glx_display->glx_cached_configs[spare_cache_slot].depth = depth; + glx_display->glx_cached_configs[spare_cache_slot].found = found; + glx_display->glx_cached_configs[spare_cache_slot].fb_config = *fbconfig_ret; + glx_display->glx_cached_configs[spare_cache_slot].can_mipmap = mipmap; + + return found; +} + +static CoglBool +should_use_rectangle (CoglContext *context) +{ + + if (context->rectangle_state == COGL_WINSYS_RECTANGLE_STATE_UNKNOWN) + { + if (cogl_has_feature (context, COGL_FEATURE_ID_TEXTURE_RECTANGLE)) + { + const char *rect_env; + + /* Use the rectangle only if it is available and either: + + the COGL_PIXMAP_TEXTURE_RECTANGLE environment variable is + set to 'force' + + *or* + + the env var is set to 'allow' or not set and NPOTs textures + are not available */ + + context->rectangle_state = + cogl_has_feature (context, COGL_FEATURE_ID_TEXTURE_NPOT) ? + COGL_WINSYS_RECTANGLE_STATE_DISABLE : + COGL_WINSYS_RECTANGLE_STATE_ENABLE; + + if ((rect_env = g_getenv ("COGL_PIXMAP_TEXTURE_RECTANGLE")) || + /* For compatibility, we'll also look at the old Clutter + environment variable */ + (rect_env = g_getenv ("CLUTTER_PIXMAP_TEXTURE_RECTANGLE"))) + { + if (g_ascii_strcasecmp (rect_env, "force") == 0) + context->rectangle_state = + COGL_WINSYS_RECTANGLE_STATE_ENABLE; + else if (g_ascii_strcasecmp (rect_env, "disable") == 0) + context->rectangle_state = + COGL_WINSYS_RECTANGLE_STATE_DISABLE; + else if (g_ascii_strcasecmp (rect_env, "allow")) + g_warning ("Unknown value for COGL_PIXMAP_TEXTURE_RECTANGLE, " + "should be 'force' or 'disable'"); + } + } + else + context->rectangle_state = COGL_WINSYS_RECTANGLE_STATE_DISABLE; + } + + return context->rectangle_state == COGL_WINSYS_RECTANGLE_STATE_ENABLE; +} + +static CoglBool +try_create_glx_pixmap (CoglContext *context, + CoglTexturePixmapX11 *tex_pixmap, + CoglBool mipmap) +{ + CoglTexturePixmapGLX *glx_tex_pixmap = tex_pixmap->winsys; + CoglRenderer *renderer; + CoglXlibRenderer *xlib_renderer; + CoglGLXRenderer *glx_renderer; + Display *dpy; + /* We have to initialize this *opaque* variable because gcc tries to + * be too smart for its own good and warns that the variable may be + * used uninitialized otherwise. */ + GLXFBConfig fb_config = (GLXFBConfig)0; + int attribs[7]; + int i = 0; + GLenum target; + CoglXlibTrapState trap_state; + + unsigned int depth = tex_pixmap->depth; + Visual* visual = tex_pixmap->visual; + + renderer = context->display->renderer; + xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + glx_renderer = renderer->winsys; + dpy = xlib_renderer->xdpy; + + if (!get_fbconfig_for_depth (context, depth, &fb_config, + &glx_tex_pixmap->can_mipmap)) + { + COGL_NOTE (TEXTURE_PIXMAP, "No suitable FBConfig found for depth %i", + depth); + return FALSE; + } + + if (should_use_rectangle (context)) + { + target = GLX_TEXTURE_RECTANGLE_EXT; + glx_tex_pixmap->can_mipmap = FALSE; + } + else + target = GLX_TEXTURE_2D_EXT; + + if (!glx_tex_pixmap->can_mipmap) + mipmap = FALSE; + + attribs[i++] = GLX_TEXTURE_FORMAT_EXT; + + /* Check whether an alpha channel is used by comparing the total + * number of 1-bits in color masks against the color depth requested + * by the client. + */ + if (_cogl_util_popcountl (visual->red_mask | + visual->green_mask | + visual->blue_mask) == depth) + attribs[i++] = GLX_TEXTURE_FORMAT_RGB_EXT; + else + attribs[i++] = GLX_TEXTURE_FORMAT_RGBA_EXT; + + attribs[i++] = GLX_MIPMAP_TEXTURE_EXT; + attribs[i++] = mipmap; + + attribs[i++] = GLX_TEXTURE_TARGET_EXT; + attribs[i++] = target; + + attribs[i++] = None; + + /* We need to trap errors from glXCreatePixmap because it can + * sometimes fail during normal usage. For example on NVidia it gets + * upset if you try to create two GLXPixmaps for the same drawable. + */ + + _cogl_xlib_renderer_trap_errors (renderer, &trap_state); + + glx_tex_pixmap->glx_pixmap = + glx_renderer->glXCreatePixmap (dpy, + fb_config, + tex_pixmap->pixmap, + attribs); + glx_tex_pixmap->has_mipmap_space = mipmap; + + XSync (dpy, False); + + if (_cogl_xlib_renderer_untrap_errors (renderer, &trap_state)) + { + COGL_NOTE (TEXTURE_PIXMAP, "Failed to create pixmap for %p", tex_pixmap); + _cogl_xlib_renderer_trap_errors (renderer, &trap_state); + glx_renderer->glXDestroyPixmap (dpy, glx_tex_pixmap->glx_pixmap); + XSync (dpy, False); + _cogl_xlib_renderer_untrap_errors (renderer, &trap_state); + + glx_tex_pixmap->glx_pixmap = None; + return FALSE; + } + + return TRUE; +} + +static CoglBool +_cogl_winsys_texture_pixmap_x11_create (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexturePixmapGLX *glx_tex_pixmap; + CoglContext *ctx = COGL_TEXTURE (tex_pixmap)->context; + + if (!_cogl_winsys_has_feature (COGL_WINSYS_FEATURE_TEXTURE_FROM_PIXMAP)) + { + tex_pixmap->winsys = NULL; + return FALSE; + } + + glx_tex_pixmap = g_new0 (CoglTexturePixmapGLX, 1); + + glx_tex_pixmap->glx_pixmap = None; + glx_tex_pixmap->can_mipmap = FALSE; + glx_tex_pixmap->has_mipmap_space = FALSE; + + glx_tex_pixmap->glx_tex = NULL; + + glx_tex_pixmap->bind_tex_image_queued = TRUE; + glx_tex_pixmap->pixmap_bound = FALSE; + + tex_pixmap->winsys = glx_tex_pixmap; + + if (!try_create_glx_pixmap (ctx, tex_pixmap, FALSE)) + { + tex_pixmap->winsys = NULL; + g_free (glx_tex_pixmap); + return FALSE; + } + + return TRUE; +} + +static void +free_glx_pixmap (CoglContext *context, + CoglTexturePixmapGLX *glx_tex_pixmap) +{ + CoglXlibTrapState trap_state; + CoglRenderer *renderer; + CoglXlibRenderer *xlib_renderer; + CoglGLXRenderer *glx_renderer; + + renderer = context->display->renderer; + xlib_renderer = _cogl_xlib_renderer_get_data (renderer); + glx_renderer = renderer->winsys; + + if (glx_tex_pixmap->pixmap_bound) + glx_renderer->glXReleaseTexImage (xlib_renderer->xdpy, + glx_tex_pixmap->glx_pixmap, + GLX_FRONT_LEFT_EXT); + + /* FIXME - we need to trap errors and synchronize here because + * of ordering issues between the XPixmap destruction and the + * GLXPixmap destruction. + * + * If the X pixmap is destroyed, the GLX pixmap is destroyed as + * well immediately, and thus, when Cogl calls glXDestroyPixmap() + * it'll cause a BadDrawable error. + * + * this is technically a bug in the X server, which should not + * destroy either pixmaps until the call to glXDestroyPixmap(); so + * at some point we should revisit this code and remove the + * trap+sync after verifying that the destruction is indeed safe. + * + * for reference, see: + * http://bugzilla.clutter-project.org/show_bug.cgi?id=2324 + */ + _cogl_xlib_renderer_trap_errors (renderer, &trap_state); + glx_renderer->glXDestroyPixmap (xlib_renderer->xdpy, + glx_tex_pixmap->glx_pixmap); + XSync (xlib_renderer->xdpy, False); + _cogl_xlib_renderer_untrap_errors (renderer, &trap_state); + + glx_tex_pixmap->glx_pixmap = None; + glx_tex_pixmap->pixmap_bound = FALSE; +} + +static void +_cogl_winsys_texture_pixmap_x11_free (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexturePixmapGLX *glx_tex_pixmap; + + if (!tex_pixmap->winsys) + return; + + glx_tex_pixmap = tex_pixmap->winsys; + + free_glx_pixmap (COGL_TEXTURE (tex_pixmap)->context, glx_tex_pixmap); + + if (glx_tex_pixmap->glx_tex) + cogl_object_unref (glx_tex_pixmap->glx_tex); + + tex_pixmap->winsys = NULL; + g_free (glx_tex_pixmap); +} + +static CoglBool +_cogl_winsys_texture_pixmap_x11_update (CoglTexturePixmapX11 *tex_pixmap, + CoglBool needs_mipmap) +{ + CoglTexture *tex = COGL_TEXTURE (tex_pixmap); + CoglContext *ctx = COGL_TEXTURE (tex_pixmap)->context; + CoglTexturePixmapGLX *glx_tex_pixmap = tex_pixmap->winsys; + CoglGLXRenderer *glx_renderer; + + /* If we don't have a GLX pixmap then fallback */ + if (glx_tex_pixmap->glx_pixmap == None) + return FALSE; + + glx_renderer = ctx->display->renderer->winsys; + + /* Lazily create a texture to hold the pixmap */ + if (glx_tex_pixmap->glx_tex == NULL) + { + CoglPixelFormat texture_format; + CoglError *error = NULL; + + texture_format = (tex_pixmap->depth >= 32 ? + COGL_PIXEL_FORMAT_RGBA_8888_PRE : + COGL_PIXEL_FORMAT_RGB_888); + + if (should_use_rectangle (ctx)) + { + glx_tex_pixmap->glx_tex = COGL_TEXTURE ( + cogl_texture_rectangle_new_with_size (ctx, + tex->width, + tex->height)); + + _cogl_texture_set_internal_format (tex, texture_format); + + if (cogl_texture_allocate (glx_tex_pixmap->glx_tex, &error)) + COGL_NOTE (TEXTURE_PIXMAP, "Created a texture rectangle for %p", + tex_pixmap); + else + { + COGL_NOTE (TEXTURE_PIXMAP, "Falling back for %p because a " + "texture rectangle could not be created: %s", + tex_pixmap, error->message); + cogl_error_free (error); + free_glx_pixmap (ctx, glx_tex_pixmap); + return FALSE; + } + } + else + { + glx_tex_pixmap->glx_tex = COGL_TEXTURE ( + cogl_texture_2d_new_with_size (ctx, + tex->width, + tex->height)); + + _cogl_texture_set_internal_format (tex, texture_format); + + if (cogl_texture_allocate (glx_tex_pixmap->glx_tex, &error)) + COGL_NOTE (TEXTURE_PIXMAP, "Created a texture 2d for %p", + tex_pixmap); + else + { + COGL_NOTE (TEXTURE_PIXMAP, "Falling back for %p because a " + "texture 2d could not be created: %s", + tex_pixmap, error->message); + cogl_error_free (error); + free_glx_pixmap (ctx, glx_tex_pixmap); + return FALSE; + } + } + } + + if (needs_mipmap) + { + /* If we can't support mipmapping then temporarily fallback */ + if (!glx_tex_pixmap->can_mipmap) + return FALSE; + + /* Recreate the GLXPixmap if it wasn't previously created with a + * mipmap tree */ + if (!glx_tex_pixmap->has_mipmap_space) + { + free_glx_pixmap (ctx, glx_tex_pixmap); + + COGL_NOTE (TEXTURE_PIXMAP, "Recreating GLXPixmap with mipmap " + "support for %p", tex_pixmap); + if (!try_create_glx_pixmap (ctx, tex_pixmap, TRUE)) + + { + /* If the pixmap failed then we'll permanently fallback + * to using XImage. This shouldn't happen. */ + COGL_NOTE (TEXTURE_PIXMAP, "Falling back to XGetImage " + "updates for %p because creating the GLXPixmap " + "with mipmap support failed", tex_pixmap); + + if (glx_tex_pixmap->glx_tex) + cogl_object_unref (glx_tex_pixmap->glx_tex); + return FALSE; + } + + glx_tex_pixmap->bind_tex_image_queued = TRUE; + } + } + + if (glx_tex_pixmap->bind_tex_image_queued) + { + GLuint gl_handle, gl_target; + CoglXlibRenderer *xlib_renderer = + _cogl_xlib_renderer_get_data (ctx->display->renderer); + + cogl_texture_get_gl_texture (glx_tex_pixmap->glx_tex, + &gl_handle, &gl_target); + + COGL_NOTE (TEXTURE_PIXMAP, "Rebinding GLXPixmap for %p", tex_pixmap); + + _cogl_bind_gl_texture_transient (gl_target, gl_handle, FALSE); + + if (glx_tex_pixmap->pixmap_bound) + glx_renderer->glXReleaseTexImage (xlib_renderer->xdpy, + glx_tex_pixmap->glx_pixmap, + GLX_FRONT_LEFT_EXT); + + glx_renderer->glXBindTexImage (xlib_renderer->xdpy, + glx_tex_pixmap->glx_pixmap, + GLX_FRONT_LEFT_EXT, + NULL); + + /* According to the recommended usage in the spec for + * GLX_EXT_texture_pixmap we should release the texture after + * we've finished drawing with it and it is undefined what + * happens if you render to a pixmap that is bound to a texture. + * However that would require the texture backend to know when + * Cogl has finished painting and it may be more expensive to + * keep unbinding the texture. Leaving it bound appears to work + * on Mesa and NVidia drivers and it is also what Compiz does so + * it is probably ok */ + + glx_tex_pixmap->bind_tex_image_queued = FALSE; + glx_tex_pixmap->pixmap_bound = TRUE; + + _cogl_texture_2d_externally_modified (glx_tex_pixmap->glx_tex); + } + + return TRUE; +} + +static void +_cogl_winsys_texture_pixmap_x11_damage_notify (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexturePixmapGLX *glx_tex_pixmap = tex_pixmap->winsys; + + glx_tex_pixmap->bind_tex_image_queued = TRUE; +} + +static CoglTexture * +_cogl_winsys_texture_pixmap_x11_get_texture (CoglTexturePixmapX11 *tex_pixmap) +{ + CoglTexturePixmapGLX *glx_tex_pixmap = tex_pixmap->winsys; + + return glx_tex_pixmap->glx_tex; +} + +static CoglWinsysVtable _cogl_winsys_vtable = + { + .id = COGL_WINSYS_ID_GLX, + .name = "GLX", + .constraints = (COGL_RENDERER_CONSTRAINT_USES_X11 | + COGL_RENDERER_CONSTRAINT_USES_XLIB), + + .renderer_get_proc_address = _cogl_winsys_renderer_get_proc_address, + .renderer_connect = _cogl_winsys_renderer_connect, + .renderer_disconnect = _cogl_winsys_renderer_disconnect, + .renderer_outputs_changed = _cogl_winsys_renderer_outputs_changed, + .display_setup = _cogl_winsys_display_setup, + .display_destroy = _cogl_winsys_display_destroy, + .context_init = _cogl_winsys_context_init, + .context_deinit = _cogl_winsys_context_deinit, + .context_get_clock_time = _cogl_winsys_get_clock_time, + .xlib_get_visual_info = _cogl_winsys_xlib_get_visual_info, + .onscreen_init = _cogl_winsys_onscreen_init, + .onscreen_deinit = _cogl_winsys_onscreen_deinit, + .onscreen_bind = _cogl_winsys_onscreen_bind, + .onscreen_swap_buffers_with_damage = + _cogl_winsys_onscreen_swap_buffers_with_damage, + .onscreen_swap_region = _cogl_winsys_onscreen_swap_region, + .onscreen_get_buffer_age = _cogl_winsys_onscreen_get_buffer_age, + .onscreen_update_swap_throttled = + _cogl_winsys_onscreen_update_swap_throttled, + .onscreen_x11_get_window_xid = + _cogl_winsys_onscreen_x11_get_window_xid, + .onscreen_set_visibility = _cogl_winsys_onscreen_set_visibility, + .onscreen_set_resizable = + _cogl_winsys_onscreen_set_resizable, + + /* X11 tfp support... */ + /* XXX: instead of having a rather monolithic winsys vtable we could + * perhaps look for a way to separate these... */ + .texture_pixmap_x11_create = + _cogl_winsys_texture_pixmap_x11_create, + .texture_pixmap_x11_free = + _cogl_winsys_texture_pixmap_x11_free, + .texture_pixmap_x11_update = + _cogl_winsys_texture_pixmap_x11_update, + .texture_pixmap_x11_damage_notify = + _cogl_winsys_texture_pixmap_x11_damage_notify, + .texture_pixmap_x11_get_texture = + _cogl_winsys_texture_pixmap_x11_get_texture, + }; + +/* XXX: we use a function because no doubt someone will complain + * about using c99 member initializers because they aren't portable + * to windows. We want to avoid having to rigidly follow the real + * order of members since some members are #ifdefd and we'd have + * to mirror the #ifdefing to add padding etc. For any winsys that + * can assume the platform has a sane compiler then we can just use + * c99 initializers for insane platforms they can initialize + * the members by name in a function. + */ +const CoglWinsysVtable * +_cogl_winsys_glx_get_vtable (void) +{ + return &_cogl_winsys_vtable; +} + +GLXContext +cogl_glx_context_get_glx_context (CoglContext *context) +{ + CoglGLXDisplay *glx_display = context->display->winsys; + + return glx_display->glx_context; +} diff --git a/cogl/winsys/cogl-winsys-private.h b/cogl/winsys/cogl-winsys-private.h new file mode 100644 index 0000000..d6ff165 --- /dev/null +++ b/cogl/winsys/cogl-winsys-private.h @@ -0,0 +1,204 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_PRIVATE_H +#define __COGL_WINSYS_PRIVATE_H + +#include "cogl-renderer.h" +#include "cogl-onscreen.h" +#include "cogl-gles2.h" + +#ifdef COGL_HAS_XLIB_SUPPORT +#include "cogl-texture-pixmap-x11-private.h" +#endif + +#ifdef COGL_HAS_XLIB_SUPPORT +#include +#include "cogl-texture-pixmap-x11-private.h" +#endif + +#ifdef COGL_HAS_EGL_SUPPORT +#include "cogl-egl-private.h" +#endif + +#include "cogl-poll.h" + +uint32_t +_cogl_winsys_error_quark (void); + +#define COGL_WINSYS_ERROR (_cogl_winsys_error_quark ()) + +typedef enum { /*< prefix=COGL_WINSYS_ERROR >*/ + COGL_WINSYS_ERROR_INIT, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + COGL_WINSYS_ERROR_MAKE_CURRENT, + COGL_WINSYS_ERROR_CREATE_GLES2_CONTEXT, +} CoglWinsysError; + +typedef enum +{ + COGL_WINSYS_RECTANGLE_STATE_UNKNOWN, + COGL_WINSYS_RECTANGLE_STATE_DISABLE, + COGL_WINSYS_RECTANGLE_STATE_ENABLE +} CoglWinsysRectangleState; + +typedef struct _CoglWinsysVtable +{ + CoglWinsysID id; + CoglRendererConstraint constraints; + + const char *name; + + /* Required functions */ + + CoglFuncPtr + (*renderer_get_proc_address) (CoglRenderer *renderer, + const char *name, + CoglBool in_core); + + CoglBool + (*renderer_connect) (CoglRenderer *renderer, CoglError **error); + + void + (*renderer_disconnect) (CoglRenderer *renderer); + + void + (*renderer_outputs_changed) (CoglRenderer *renderer); + + CoglBool + (*display_setup) (CoglDisplay *display, CoglError **error); + + void + (*display_destroy) (CoglDisplay *display); + + CoglBool + (*context_init) (CoglContext *context, CoglError **error); + + void + (*context_deinit) (CoglContext *context); + + void * + (*context_create_gles2_context) (CoglContext *ctx, CoglError **error); + + CoglBool + (*onscreen_init) (CoglOnscreen *onscreen, CoglError **error); + + void + (*onscreen_deinit) (CoglOnscreen *onscreen); + + void + (*onscreen_bind) (CoglOnscreen *onscreen); + + void + (*onscreen_swap_buffers_with_damage) (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles); + + void + (*onscreen_update_swap_throttled) (CoglOnscreen *onscreen); + + void + (*onscreen_set_visibility) (CoglOnscreen *onscreen, + CoglBool visibility); + + /* Optional functions */ + + int64_t + (*context_get_clock_time) (CoglContext *context); + + void + (*onscreen_swap_region) (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles); + + void + (*onscreen_set_resizable) (CoglOnscreen *onscreen, CoglBool resizable); + + int + (*onscreen_get_buffer_age) (CoglOnscreen *onscreen); + +#ifdef COGL_HAS_XLIB_SUPPORT + XVisualInfo * + (*xlib_get_visual_info) (void); +#endif + + uint32_t + (*onscreen_x11_get_window_xid) (CoglOnscreen *onscreen); + +#ifdef COGL_HAS_WIN32_SUPPORT + HWND + (*onscreen_win32_get_window) (CoglOnscreen *onscreen); +#endif + +#ifdef COGL_HAS_XLIB_SUPPORT + CoglBool + (*texture_pixmap_x11_create) (CoglTexturePixmapX11 *tex_pixmap); + void + (*texture_pixmap_x11_free) (CoglTexturePixmapX11 *tex_pixmap); + + CoglBool + (*texture_pixmap_x11_update) (CoglTexturePixmapX11 *tex_pixmap, + CoglBool needs_mipmap); + + void + (*texture_pixmap_x11_damage_notify) (CoglTexturePixmapX11 *tex_pixmap); + + CoglTexture * + (*texture_pixmap_x11_get_texture) (CoglTexturePixmapX11 *tex_pixmap); +#endif + + void + (*save_context) (CoglContext *ctx); + + CoglBool + (*set_gles2_context) (CoglGLES2Context *gles2_ctx, CoglError **error); + + void + (*restore_context) (CoglContext *ctx); + + void + (*destroy_gles2_context) (CoglGLES2Context *gles2_ctx); + + void * + (*fence_add) (CoglContext *ctx); + + CoglBool + (*fence_is_complete) (CoglContext *ctx, void *fence); + + void + (*fence_destroy) (CoglContext *ctx, void *fence); + +} CoglWinsysVtable; + +CoglBool +_cogl_winsys_has_feature (CoglWinsysFeature feature); + +#endif /* __COGL_WINSYS_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-sdl-private.h b/cogl/winsys/cogl-winsys-sdl-private.h new file mode 100644 index 0000000..4fffa6d --- /dev/null +++ b/cogl/winsys/cogl-winsys-sdl-private.h @@ -0,0 +1,37 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_SDL_PRIVATE_H +#define __COGL_WINSYS_SDL_PRIVATE_H + +const CoglWinsysVtable * +_cogl_winsys_sdl_get_vtable (void); + +#endif /* __COGL_WINSYS_SDL_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-sdl.c b/cogl/winsys/cogl-winsys-sdl.c new file mode 100644 index 0000000..322ca1b --- /dev/null +++ b/cogl/winsys/cogl-winsys-sdl.c @@ -0,0 +1,490 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011,2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-renderer-private.h" +#include "cogl-display-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-swap-chain-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-context-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-winsys-sdl-private.h" +#include "cogl-error-private.h" +#include "cogl-poll-private.h" + +typedef struct _CoglRendererSdl +{ + CoglClosure *resize_notify_idle; +} CoglRendererSdl; + +typedef struct _CoglDisplaySdl +{ + SDL_Surface *surface; + CoglOnscreen *onscreen; + Uint32 video_mode_flags; +} CoglDisplaySdl; + +static CoglFuncPtr +_cogl_winsys_renderer_get_proc_address (CoglRenderer *renderer, + const char *name, + CoglBool in_core) +{ + CoglFuncPtr ptr; + + /* XXX: It's not totally clear whether it's safe to call this for + * core functions. From the code it looks like the implementations + * will fall back to using some form of dlsym if the winsys + * GetProcAddress function returns NULL. Presumably this will work + * in most cases apart from EGL platforms that return invalid + * pointers for core functions. It's awkward for this code to get a + * handle to the GL module that SDL has chosen to load so just + * calling SDL_GL_GetProcAddress is probably the best we can do + * here. */ + +#ifdef COGL_HAS_SDL_GLES_SUPPORT + if (renderer->driver != COGL_DRIVER_GL) + return SDL_GLES_GetProcAddress (name); +#endif + + return SDL_GL_GetProcAddress (name); +} + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + SDL_Quit (); + + g_slice_free (CoglRendererSdl, renderer->winsys); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ +#ifdef USING_EMSCRIPTEN + if (renderer->driver != COGL_DRIVER_GLES2) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "The SDL winsys with emscripten only supports " + "the GLES2 driver"); + return FALSE; + } +#elif !defined (COGL_HAS_SDL_GLES_SUPPORT) + if (renderer->driver != COGL_DRIVER_GL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "The SDL winsys only supports the GL driver"); + return FALSE; + } +#endif + + if (SDL_Init (SDL_INIT_VIDEO) == -1) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "SDL_Init failed: %s", + SDL_GetError ()); + return FALSE; + } + + renderer->winsys = g_slice_new0 (CoglRendererSdl); + + return TRUE; +} + +static void +_cogl_winsys_display_destroy (CoglDisplay *display) +{ + CoglDisplaySdl *sdl_display = display->winsys; + + _COGL_RETURN_IF_FAIL (sdl_display != NULL); + + /* No need to destroy the surface - it is freed by SDL_Quit */ + + g_slice_free (CoglDisplaySdl, display->winsys); + display->winsys = NULL; +} + +static void +set_gl_attribs_from_framebuffer_config (CoglFramebufferConfig *config) +{ + SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 1); + SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 1); + SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 1); + SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 1); + + SDL_GL_SetAttribute (SDL_GL_STENCIL_SIZE, + config->need_stencil ? 1 : 0); + + if (config->swap_chain->length >= 0) + SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, + config->swap_chain->length > 1 ? 1 : 0); + + SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, + config->swap_chain->has_alpha ? 1 : 0); +} + +static CoglBool +_cogl_winsys_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplaySdl *sdl_display; + + _COGL_RETURN_VAL_IF_FAIL (display->winsys == NULL, FALSE); + + sdl_display = g_slice_new0 (CoglDisplaySdl); + display->winsys = sdl_display; + + set_gl_attribs_from_framebuffer_config (&display->onscreen_template->config); + + switch (display->renderer->driver) + { + case COGL_DRIVER_GL: + sdl_display->video_mode_flags = SDL_OPENGL; + break; + + case COGL_DRIVER_GL3: + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "The SDL winsys does not support GL 3"); + goto error; + +#ifdef COGL_HAS_SDL_GLES_SUPPORT + case COGL_DRIVER_GLES2: + sdl_display->video_mode_flags = SDL_OPENGLES; + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MAJOR_VERSION, 2); + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MINOR_VERSION, 0); + break; + + case COGL_DRIVER_GLES1: + sdl_display->video_mode_flags = SDL_OPENGLES; + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MAJOR_VERSION, 1); + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MINOR_VERSION, 1); + break; + +#elif defined (USING_EMSCRIPTEN) + case COGL_DRIVER_GLES2: + sdl_display->video_mode_flags = SDL_OPENGL; + break; +#endif + + default: + g_assert_not_reached (); + } + + /* There's no way to know what size the application will need until + it creates the first onscreen but we need to set the video mode + now so that we can get a GL context. We'll have to just guess at + a size an resize it later */ + sdl_display->surface = SDL_SetVideoMode (640, 480, /* width/height */ + 0, /* bitsperpixel */ + sdl_display->video_mode_flags); + + if (sdl_display->surface == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "SDL_SetVideoMode failed: %s", + SDL_GetError ()); + goto error; + } + + return TRUE; + +error: + _cogl_winsys_display_destroy (display); + return FALSE; +} + +static void +flush_pending_resize_notification_idle (void *user_data) +{ + CoglContext *context = user_data; + CoglRenderer *renderer = context->display->renderer; + CoglRendererSdl *sdl_renderer = renderer->winsys; + CoglDisplaySdl *sdl_display = context->display->winsys; + CoglOnscreen *onscreen = sdl_display->onscreen; + + /* This needs to be disconnected before invoking the callbacks in + * case the callbacks cause it to be queued again */ + _cogl_closure_disconnect (sdl_renderer->resize_notify_idle); + sdl_renderer->resize_notify_idle = NULL; + + _cogl_onscreen_notify_resize (onscreen); +} + +static CoglFilterReturn +sdl_event_filter_cb (SDL_Event *event, void *data) +{ + CoglContext *context = data; + CoglDisplay *display = context->display; + CoglDisplaySdl *sdl_display = display->winsys; + CoglFramebuffer *framebuffer; + + if (!sdl_display->onscreen) + return COGL_FILTER_CONTINUE; + + framebuffer = COGL_FRAMEBUFFER (sdl_display->onscreen); + + if (event->type == SDL_VIDEORESIZE) + { + CoglRenderer *renderer = display->renderer; + CoglRendererSdl *sdl_renderer = renderer->winsys; + float width = event->resize.w; + float height = event->resize.h; + + sdl_display->surface = SDL_SetVideoMode (width, height, + 0, /* bitsperpixel */ + sdl_display->video_mode_flags); + + _cogl_framebuffer_winsys_update_size (framebuffer, width, height); + + /* We only want to notify that a resize happened when the + * application calls cogl_context_dispatch so instead of + * immediately notifying we queue an idle callback */ + if (!sdl_renderer->resize_notify_idle) + { + sdl_renderer->resize_notify_idle = + _cogl_poll_renderer_add_idle (renderer, + flush_pending_resize_notification_idle, + context, + NULL); + } + + return COGL_FILTER_CONTINUE; + } + else if (event->type == SDL_VIDEOEXPOSE) + { + CoglOnscreenDirtyInfo info; + + /* Sadly SDL doesn't seem to report the rectangle of the expose + * event so we'll just queue the whole window */ + info.x = 0; + info.y = 0; + info.width = framebuffer->width; + info.height = framebuffer->height; + + _cogl_onscreen_queue_dirty (COGL_ONSCREEN (framebuffer), &info); + } + + return COGL_FILTER_CONTINUE; +} + +static CoglBool +_cogl_winsys_context_init (CoglContext *context, CoglError **error) +{ + CoglRenderer *renderer = context->display->renderer; + + if (G_UNLIKELY (renderer->sdl_event_type_set == FALSE)) + g_error ("cogl_sdl_renderer_set_event_type() or cogl_sdl_context_new() " + "must be called during initialization"); + + _cogl_renderer_add_native_filter (renderer, + (CoglNativeFilterFunc)sdl_event_filter_cb, + context); + + /* We'll manually handle queueing dirty events in response to + * SDL_VIDEOEXPOSE events */ + COGL_FLAGS_SET (context->private_features, + COGL_PRIVATE_FEATURE_DIRTY_EVENTS, + TRUE); + + return _cogl_context_update_features (context, error); +} + +static void +_cogl_winsys_context_deinit (CoglContext *context) +{ +} + +static void +_cogl_winsys_onscreen_bind (CoglOnscreen *onscreen) +{ +} + +static void +_cogl_winsys_onscreen_deinit (CoglOnscreen *onscreen) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglDisplay *display = context->display; + CoglDisplaySdl *sdl_display = display->winsys; + + sdl_display->onscreen = NULL; +} + +static CoglBool +_cogl_winsys_onscreen_init (CoglOnscreen *onscreen, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplaySdl *sdl_display = display->winsys; + CoglBool flags_changed = FALSE; + int width, height; + + if (sdl_display->onscreen) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "SDL winsys only supports a single onscreen window"); + return FALSE; + } + + width = cogl_framebuffer_get_width (framebuffer); + height = cogl_framebuffer_get_height (framebuffer); + + if (cogl_onscreen_get_resizable (onscreen)) + { + sdl_display->video_mode_flags |= SDL_RESIZABLE; + flags_changed = TRUE; + } + + /* Try to update the video size using the onscreen size */ + if (width != sdl_display->surface->w || + height != sdl_display->surface->h || + flags_changed) + { + sdl_display->surface = SDL_SetVideoMode (width, height, + 0, /* bitsperpixel */ + sdl_display->video_mode_flags); + + if (sdl_display->surface == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "SDL_SetVideoMode failed: %s", + SDL_GetError ()); + return FALSE; + } + } + + _cogl_framebuffer_winsys_update_size (framebuffer, + sdl_display->surface->w, + sdl_display->surface->h); + + sdl_display->onscreen = onscreen; + + return TRUE; +} + +static void +_cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ + SDL_GL_SwapBuffers (); +} + +static void +_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen) +{ + /* SDL doesn't appear to provide a way to set this */ +} + +static void +_cogl_winsys_onscreen_set_visibility (CoglOnscreen *onscreen, + CoglBool visibility) +{ + /* SDL doesn't appear to provide a way to set this */ +} + +static void +_cogl_winsys_onscreen_set_resizable (CoglOnscreen *onscreen, + CoglBool resizable) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplaySdl *sdl_display = display->winsys; + int width, height; + + width = cogl_framebuffer_get_width (framebuffer); + height = cogl_framebuffer_get_height (framebuffer); + + if (resizable) + sdl_display->video_mode_flags |= SDL_RESIZABLE; + else + sdl_display->video_mode_flags &= ~SDL_RESIZABLE; + + sdl_display->surface = SDL_SetVideoMode (width, height, + 0, /* bitsperpixel */ + sdl_display->video_mode_flags); +} + +const CoglWinsysVtable * +_cogl_winsys_sdl_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + /* It would be nice if we could use C99 struct initializers here + like the GLX backend does. However this code is more likely to be + compiled using Visual Studio which (still!) doesn't support them + so we initialize it in code instead */ + + if (!vtable_inited) + { + memset (&vtable, 0, sizeof (vtable)); + + vtable.id = COGL_WINSYS_ID_SDL; + vtable.name = "SDL"; + vtable.renderer_get_proc_address = _cogl_winsys_renderer_get_proc_address; + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + vtable.display_setup = _cogl_winsys_display_setup; + vtable.display_destroy = _cogl_winsys_display_destroy; + vtable.context_init = _cogl_winsys_context_init; + vtable.context_deinit = _cogl_winsys_context_deinit; + vtable.onscreen_init = _cogl_winsys_onscreen_init; + vtable.onscreen_deinit = _cogl_winsys_onscreen_deinit; + vtable.onscreen_bind = _cogl_winsys_onscreen_bind; + vtable.onscreen_swap_buffers_with_damage = + _cogl_winsys_onscreen_swap_buffers_with_damage; + vtable.onscreen_update_swap_throttled = + _cogl_winsys_onscreen_update_swap_throttled; + vtable.onscreen_set_visibility = _cogl_winsys_onscreen_set_visibility; + vtable.onscreen_set_resizable = _cogl_winsys_onscreen_set_resizable; + + vtable_inited = TRUE; + } + + return &vtable; +} diff --git a/cogl/winsys/cogl-winsys-sdl2.c b/cogl/winsys/cogl-winsys-sdl2.c new file mode 100644 index 0000000..c6661d9 --- /dev/null +++ b/cogl/winsys/cogl-winsys-sdl2.c @@ -0,0 +1,638 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011, 2012, 2013 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-renderer-private.h" +#include "cogl-display-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-swap-chain-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-context-private.h" +#include "cogl-onscreen-private.h" +#include "cogl-winsys-sdl-private.h" +#include "cogl-error-private.h" +#include "cogl-poll-private.h" +#include "cogl-sdl.h" + +typedef struct _CoglContextSdl2 +{ + SDL_Window *current_window; +} CoglContextSdl2; + +typedef struct _CoglRendererSdl2 +{ + CoglClosure *resize_notify_idle; +} CoglRendererSdl2; + +typedef struct _CoglDisplaySdl2 +{ + SDL_Window *dummy_window; + SDL_GLContext *context; +} CoglDisplaySdl2; + +typedef struct _CoglOnscreenSdl2 +{ + SDL_Window *window; + CoglBool pending_resize_notify; +} CoglOnscreenSdl2; + +/* The key used to store a pointer to the CoglOnscreen in an + * SDL_Window */ +#define COGL_SDL_WINDOW_DATA_KEY "cogl-onscreen" + +static CoglFuncPtr +_cogl_winsys_renderer_get_proc_address (CoglRenderer *renderer, + const char *name, + CoglBool in_core) +{ + /* XXX: It's not totally clear whether it's safe to call this for + * core functions. From the code it looks like the implementations + * will fall back to using some form of dlsym if the winsys + * GetProcAddress function returns NULL. Presumably this will work + * in most cases apart from EGL platforms that return invalid + * pointers for core functions. It's awkward for this code to get a + * handle to the GL module that SDL has chosen to load so just + * calling SDL_GL_GetProcAddress is probably the best we can do + * here. */ + return SDL_GL_GetProcAddress (name); +} + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + SDL_VideoQuit (); + + g_slice_free (CoglRendererSdl2, renderer->winsys); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + if (SDL_VideoInit (NULL) < 0) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "SDL_Init failed: %s", + SDL_GetError ()); + return FALSE; + } + + renderer->winsys = g_slice_new0 (CoglRendererSdl2); + + return TRUE; +} + +static void +_cogl_winsys_display_destroy (CoglDisplay *display) +{ + CoglDisplaySdl2 *sdl_display = display->winsys; + + _COGL_RETURN_IF_FAIL (sdl_display != NULL); + + if (sdl_display->context) + SDL_GL_DeleteContext (sdl_display->context); + + if (sdl_display->dummy_window) + SDL_DestroyWindow (sdl_display->dummy_window); + + g_slice_free (CoglDisplaySdl2, display->winsys); + display->winsys = NULL; +} + +static void +set_gl_attribs_from_framebuffer_config (CoglFramebufferConfig *config) +{ + SDL_GL_SetAttribute (SDL_GL_RED_SIZE, 1); + SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, 1); + SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, 1); + SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 1); + + SDL_GL_SetAttribute (SDL_GL_STENCIL_SIZE, + config->need_stencil ? 1 : 0); + + if (config->swap_chain->length >= 0) + SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, + config->swap_chain->length > 1 ? 1 : 0); + + SDL_GL_SetAttribute (SDL_GL_ALPHA_SIZE, + config->swap_chain->has_alpha ? 1 : 0); +} + +static CoglBool +_cogl_winsys_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplaySdl2 *sdl_display; + const char * (* get_string_func) (GLenum name); + const char *gl_version; + + _COGL_RETURN_VAL_IF_FAIL (display->winsys == NULL, FALSE); + + sdl_display = g_slice_new0 (CoglDisplaySdl2); + display->winsys = sdl_display; + + set_gl_attribs_from_framebuffer_config (&display->onscreen_template->config); + + if (display->renderer->driver == COGL_DRIVER_GLES1) + { + SDL_GL_SetAttribute (SDL_GL_CONTEXT_PROFILE_MASK, + SDL_GL_CONTEXT_PROFILE_ES); + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MAJOR_VERSION, 1); + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MINOR_VERSION, 1); + } + else if (display->renderer->driver == COGL_DRIVER_GLES2) + { + SDL_GL_SetAttribute (SDL_GL_CONTEXT_PROFILE_MASK, + SDL_GL_CONTEXT_PROFILE_ES); + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MAJOR_VERSION, 2); + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MINOR_VERSION, 0); + } + else if (display->renderer->driver == COGL_DRIVER_GL3) + { + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MAJOR_VERSION, 3); + SDL_GL_SetAttribute (SDL_GL_CONTEXT_MINOR_VERSION, 1); + SDL_GL_SetAttribute (SDL_GL_CONTEXT_PROFILE_MASK, + SDL_GL_CONTEXT_PROFILE_CORE); + SDL_GL_SetAttribute (SDL_GL_CONTEXT_FLAGS, + SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG); + } + + /* Create a dummy 1x1 window that never gets display so that we can + * create a GL context */ + sdl_display->dummy_window = SDL_CreateWindow ("", + 0, 0, /* x/y */ + 1, 1, /* w/h */ + SDL_WINDOW_OPENGL | + SDL_WINDOW_HIDDEN); + if (sdl_display->dummy_window == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "SDL_CreateWindow failed: %s", + SDL_GetError ()); + goto error; + } + + sdl_display->context = SDL_GL_CreateContext (sdl_display->dummy_window); + + if (sdl_display->context == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "SDL_GL_CreateContext failed: %s", + SDL_GetError ()); + goto error; + } + + /* SDL doesn't seem to provide a way to select between GL and GLES + * and instead it will just pick one itself. We can at least try to + * verify that it picked the one we were expecting by looking at the + * GL version string */ + get_string_func = SDL_GL_GetProcAddress ("glGetString"); + gl_version = get_string_func (GL_VERSION); + + switch (display->renderer->driver) + { + case COGL_DRIVER_GL: + case COGL_DRIVER_GL3: + /* The first character of the version string will be a digit if + * it's normal GL */ + if (!g_ascii_isdigit (gl_version[0])) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "The GL driver was requested but SDL is using GLES"); + goto error; + } + + if (display->renderer->driver == COGL_DRIVER_GL3 && + gl_version[0] < '3') + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "The GL3 driver was requested but SDL is using " + "GL %c", gl_version[0]); + goto error; + } + break; + + case COGL_DRIVER_GLES2: + if (!g_str_has_prefix (gl_version, "OpenGL ES 2") && + !g_str_has_prefix (gl_version, "OpenGL ES 3")) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "The GLES2 driver was requested but SDL is " + "not using GLES2 or GLES3"); + goto error; + } + break; + + case COGL_DRIVER_GLES1: + if (!g_str_has_prefix (gl_version, "OpenGL ES 1")) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_INIT, + "The GLES1 driver was requested but SDL is " + "not using GLES1"); + goto error; + } + break; + + default: + g_assert_not_reached (); + } + + return TRUE; + +error: + _cogl_winsys_display_destroy (display); + return FALSE; +} + +static void +flush_pending_notifications_cb (void *data, + void *user_data) +{ + CoglFramebuffer *framebuffer = data; + + if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN) + { + CoglOnscreen *onscreen = COGL_ONSCREEN (framebuffer); + CoglOnscreenSdl2 *sdl_onscreen = onscreen->winsys; + + if (sdl_onscreen->pending_resize_notify) + { + _cogl_onscreen_notify_resize (onscreen); + sdl_onscreen->pending_resize_notify = FALSE; + } + } +} + +static void +flush_pending_resize_notifications_idle (void *user_data) +{ + CoglContext *context = user_data; + CoglRenderer *renderer = context->display->renderer; + CoglRendererSdl2 *sdl_renderer = renderer->winsys; + + /* This needs to be disconnected before invoking the callbacks in + * case the callbacks cause it to be queued again */ + _cogl_closure_disconnect (sdl_renderer->resize_notify_idle); + sdl_renderer->resize_notify_idle = NULL; + + g_list_foreach (context->framebuffers, + flush_pending_notifications_cb, + NULL); +} + +static CoglFilterReturn +sdl_window_event_filter (SDL_WindowEvent *event, + CoglContext *context) +{ + SDL_Window *window; + CoglFramebuffer *framebuffer; + + window = SDL_GetWindowFromID (event->windowID); + + if (window == NULL) + return COGL_FILTER_CONTINUE; + + framebuffer = SDL_GetWindowData (window, COGL_SDL_WINDOW_DATA_KEY); + + if (framebuffer == NULL || framebuffer->context != context) + return COGL_FILTER_CONTINUE; + + if (event->event == SDL_WINDOWEVENT_SIZE_CHANGED) + { + CoglDisplay *display = context->display; + CoglRenderer *renderer = display->renderer; + CoglRendererSdl2 *sdl_renderer = renderer->winsys; + float width = event->data1; + float height = event->data2; + CoglOnscreenSdl2 *sdl_onscreen; + + _cogl_framebuffer_winsys_update_size (framebuffer, width, height); + + /* We only want to notify that a resize happened when the + * application calls cogl_context_dispatch so instead of + * immediately notifying we queue an idle callback */ + if (!sdl_renderer->resize_notify_idle) + { + sdl_renderer->resize_notify_idle = + _cogl_poll_renderer_add_idle (renderer, + flush_pending_resize_notifications_idle, + context, + NULL); + } + + sdl_onscreen = COGL_ONSCREEN (framebuffer)->winsys; + sdl_onscreen->pending_resize_notify = TRUE; + } + else if (event->event == SDL_WINDOWEVENT_EXPOSED) + { + CoglOnscreenDirtyInfo info; + + /* Sadly SDL doesn't seem to report the rectangle of the expose + * event so we'll just queue the whole window */ + info.x = 0; + info.y = 0; + info.width = framebuffer->width; + info.height = framebuffer->height; + + _cogl_onscreen_queue_dirty (COGL_ONSCREEN (framebuffer), &info); + } + + return COGL_FILTER_CONTINUE; +} + +static CoglFilterReturn +sdl_event_filter_cb (SDL_Event *event, void *data) +{ + CoglContext *context = data; + + switch (event->type) + { + case SDL_WINDOWEVENT: + return sdl_window_event_filter (&event->window, context); + + default: + return COGL_FILTER_CONTINUE; + } +} + +static CoglBool +_cogl_winsys_context_init (CoglContext *context, CoglError **error) +{ + CoglRenderer *renderer = context->display->renderer; + + context->winsys = g_new0 (CoglContextSdl2, 1); + + if (G_UNLIKELY (renderer->sdl_event_type_set == FALSE)) + g_error ("cogl_sdl_renderer_set_event_type() or cogl_sdl_context_new() " + "must be called during initialization"); + + if (!_cogl_context_update_features (context, error)) + return FALSE; + + if (SDL_GL_GetSwapInterval () != -1) + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_SWAP_REGION_THROTTLE, + TRUE); + + /* We'll manually handle queueing dirty events in response to + * SDL_WINDOWEVENT_EXPOSED events */ + COGL_FLAGS_SET (context->private_features, + COGL_PRIVATE_FEATURE_DIRTY_EVENTS, + TRUE); + + _cogl_renderer_add_native_filter (renderer, + (CoglNativeFilterFunc) sdl_event_filter_cb, + context); + + return TRUE; +} + +static void +_cogl_winsys_context_deinit (CoglContext *context) +{ + CoglRenderer *renderer = context->display->renderer; + + _cogl_renderer_remove_native_filter (renderer, + (CoglNativeFilterFunc) + sdl_event_filter_cb, + context); + + g_free (context->winsys); +} + +static void +_cogl_winsys_onscreen_bind (CoglOnscreen *onscreen) +{ + CoglFramebuffer *fb = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = fb->context; + CoglContextSdl2 *sdl_context = context->winsys; + CoglDisplaySdl2 *sdl_display = context->display->winsys; + CoglOnscreenSdl2 *sdl_onscreen = onscreen->winsys; + + if (sdl_context->current_window == sdl_onscreen->window) + return; + + SDL_GL_MakeCurrent (sdl_onscreen->window, sdl_display->context); + + sdl_context->current_window = sdl_onscreen->window; + + /* It looks like SDL just directly calls a glXSwapInterval function + * when this is called. This may be provided by either the EXT + * extension, the SGI extension or the Mesa extension. The SGI + * extension is per context so we can't just do this once when the + * framebuffer is allocated. See the comments in the GLX winsys for + * more info. */ + if (COGL_FLAGS_GET (context->winsys_features, + COGL_WINSYS_FEATURE_SWAP_REGION_THROTTLE)) + { + CoglFramebuffer *fb = COGL_FRAMEBUFFER (onscreen); + + SDL_GL_SetSwapInterval (fb->config.swap_throttled ? 1 : 0); + } +} + +static void +_cogl_winsys_onscreen_deinit (CoglOnscreen *onscreen) +{ + CoglOnscreenSdl2 *sdl_onscreen = onscreen->winsys; + + if (sdl_onscreen->window != NULL) + { + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglContextSdl2 *sdl_context = context->winsys; + + if (sdl_context->current_window == sdl_onscreen->window) + { + CoglDisplaySdl2 *sdl_display = context->display->winsys; + + /* SDL explicitly unbinds the context when the currently + * bound window is destroyed. Cogl always needs a context + * bound so that for example it can create texture resources + * at any time even without flushing a framebuffer. + * Therefore we'll bind the dummy window. */ + SDL_GL_MakeCurrent (sdl_display->dummy_window, + sdl_display->context); + sdl_context->current_window = sdl_display->dummy_window; + } + + SDL_DestroyWindow (sdl_onscreen->window); + sdl_onscreen->window = NULL; + } + + g_slice_free (CoglOnscreenSdl2, sdl_onscreen); + onscreen->winsys = NULL; +} + +static CoglBool +_cogl_winsys_onscreen_init (CoglOnscreen *onscreen, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglOnscreenSdl2 *sdl_onscreen; + SDL_Window *window; + int width, height; + SDL_WindowFlags flags; + + width = cogl_framebuffer_get_width (framebuffer); + height = cogl_framebuffer_get_height (framebuffer); + + flags = SDL_WINDOW_OPENGL | SDL_WINDOW_HIDDEN; + + /* The resizable property on SDL window apparently can only be set + * on creation */ + if (onscreen->resizable) + flags |= SDL_WINDOW_RESIZABLE; + + window = SDL_CreateWindow ("" /* title */, + 0, 0, /* x/y */ + width, height, + flags); + + if (window == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "SDL_CreateWindow failed: %s", + SDL_GetError ()); + return FALSE; + } + + SDL_SetWindowData (window, COGL_SDL_WINDOW_DATA_KEY, onscreen); + + onscreen->winsys = g_slice_new (CoglOnscreenSdl2); + sdl_onscreen = onscreen->winsys; + sdl_onscreen->window = window; + + return TRUE; +} + +static void +_cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ + CoglOnscreenSdl2 *sdl_onscreen = onscreen->winsys; + + SDL_GL_SwapWindow (sdl_onscreen->window); +} + +static void +_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglContextSdl2 *sdl_context = context->winsys; + CoglOnscreenSdl2 *sdl_onscreen = onscreen->winsys; + + if (sdl_context->current_window != sdl_onscreen->window) + return; + + sdl_context->current_window = NULL; + _cogl_winsys_onscreen_bind (onscreen); +} + +static void +_cogl_winsys_onscreen_set_visibility (CoglOnscreen *onscreen, + CoglBool visibility) +{ + CoglOnscreenSdl2 *sdl_onscreen = onscreen->winsys; + + if (visibility) + SDL_ShowWindow (sdl_onscreen->window); + else + SDL_HideWindow (sdl_onscreen->window); +} + +SDL_Window * +cogl_sdl_onscreen_get_window (CoglOnscreen *onscreen) +{ + CoglOnscreenSdl2 *sdl_onscreen; + + _COGL_RETURN_VAL_IF_FAIL (cogl_is_onscreen (onscreen), NULL); + + if (!cogl_framebuffer_allocate (COGL_FRAMEBUFFER (onscreen), NULL)) + return NULL; + + sdl_onscreen = onscreen->winsys; + + return sdl_onscreen->window; +} + +const CoglWinsysVtable * +_cogl_winsys_sdl_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + /* It would be nice if we could use C99 struct initializers here + like the GLX backend does. However this code is more likely to be + compiled using Visual Studio which (still!) doesn't support them + so we initialize it in code instead */ + + if (!vtable_inited) + { + memset (&vtable, 0, sizeof (vtable)); + + vtable.id = COGL_WINSYS_ID_SDL; + vtable.name = "SDL"; + vtable.renderer_get_proc_address = _cogl_winsys_renderer_get_proc_address; + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + vtable.display_setup = _cogl_winsys_display_setup; + vtable.display_destroy = _cogl_winsys_display_destroy; + vtable.context_init = _cogl_winsys_context_init; + vtable.context_deinit = _cogl_winsys_context_deinit; + vtable.onscreen_init = _cogl_winsys_onscreen_init; + vtable.onscreen_deinit = _cogl_winsys_onscreen_deinit; + vtable.onscreen_bind = _cogl_winsys_onscreen_bind; + vtable.onscreen_swap_buffers_with_damage = + _cogl_winsys_onscreen_swap_buffers_with_damage; + vtable.onscreen_update_swap_throttled = + _cogl_winsys_onscreen_update_swap_throttled; + vtable.onscreen_set_visibility = _cogl_winsys_onscreen_set_visibility; + + vtable_inited = TRUE; + } + + return &vtable; +} diff --git a/cogl/winsys/cogl-winsys-stub-private.h b/cogl/winsys/cogl-winsys-stub-private.h new file mode 100644 index 0000000..4aaf798 --- /dev/null +++ b/cogl/winsys/cogl-winsys-stub-private.h @@ -0,0 +1,37 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_STUB_PRIVATE_H +#define __COGL_WINSYS_STUB_PRIVATE_H + +const CoglWinsysVtable * +_cogl_winsys_stub_get_vtable (void); + +#endif /* __COGL_WINSYS_STUB_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-stub.c b/cogl/winsys/cogl-winsys-stub.c new file mode 100644 index 0000000..4fc8c90 --- /dev/null +++ b/cogl/winsys/cogl-winsys-stub.c @@ -0,0 +1,197 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Robert Bragg + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-renderer-private.h" +#include "cogl-display-private.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer-private.h" +#include "cogl-private.h" +#include "cogl-winsys-stub-private.h" + +#include + +static int _cogl_winsys_stub_dummy_ptr; + +/* This provides a NOP winsys. This can be useful for debugging or for + * integrating with toolkits that already have window system + * integration code. + */ + +static CoglFuncPtr +_cogl_winsys_renderer_get_proc_address (CoglRenderer *renderer, + const char *name, + CoglBool in_core) +{ + static GModule *module = NULL; + + /* this should find the right function if the program is linked against a + * library providing it */ + if (G_UNLIKELY (module == NULL)) + module = g_module_open (NULL, 0); + + if (module) + { + void *symbol; + + if (g_module_symbol (module, name, &symbol)) + return symbol; + } + + return NULL; +} + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + renderer->winsys = NULL; +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + renderer->winsys = &_cogl_winsys_stub_dummy_ptr; + return TRUE; +} + +static void +_cogl_winsys_display_destroy (CoglDisplay *display) +{ + display->winsys = NULL; +} + +static CoglBool +_cogl_winsys_display_setup (CoglDisplay *display, + CoglError **error) +{ + display->winsys = &_cogl_winsys_stub_dummy_ptr; + return TRUE; +} + +static CoglBool +_cogl_winsys_context_init (CoglContext *context, CoglError **error) +{ + context->winsys = &_cogl_winsys_stub_dummy_ptr; + + if (!_cogl_context_update_features (context, error)) + return FALSE; + + memset (context->winsys_features, 0, sizeof (context->winsys_features)); + + return TRUE; +} + +static void +_cogl_winsys_context_deinit (CoglContext *context) +{ + context->winsys = NULL; +} + +static CoglBool +_cogl_winsys_onscreen_init (CoglOnscreen *onscreen, + CoglError **error) +{ + return TRUE; +} + +static void +_cogl_winsys_onscreen_deinit (CoglOnscreen *onscreen) +{ +} + +static void +_cogl_winsys_onscreen_bind (CoglOnscreen *onscreen) +{ +} + +static void +_cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ +} + +static void +_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen) +{ +} + +static void +_cogl_winsys_onscreen_set_visibility (CoglOnscreen *onscreen, + CoglBool visibility) +{ +} + +const CoglWinsysVtable * +_cogl_winsys_stub_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + /* It would be nice if we could use C99 struct initializers here + like the GLX backend does. However this code is more likely to be + compiled using Visual Studio which (still!) doesn't support them + so we initialize it in code instead */ + + if (!vtable_inited) + { + memset (&vtable, 0, sizeof (vtable)); + + vtable.id = COGL_WINSYS_ID_STUB; + vtable.name = "STUB"; + vtable.renderer_get_proc_address = _cogl_winsys_renderer_get_proc_address; + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + vtable.display_setup = _cogl_winsys_display_setup; + vtable.display_destroy = _cogl_winsys_display_destroy; + vtable.context_init = _cogl_winsys_context_init; + vtable.context_deinit = _cogl_winsys_context_deinit; + + vtable.onscreen_init = _cogl_winsys_onscreen_init; + vtable.onscreen_deinit = _cogl_winsys_onscreen_deinit; + vtable.onscreen_bind = _cogl_winsys_onscreen_bind; + vtable.onscreen_swap_buffers_with_damage = + _cogl_winsys_onscreen_swap_buffers_with_damage; + vtable.onscreen_update_swap_throttled = + _cogl_winsys_onscreen_update_swap_throttled; + vtable.onscreen_set_visibility = _cogl_winsys_onscreen_set_visibility; + + vtable_inited = TRUE; + } + + return &vtable; +} diff --git a/cogl/winsys/cogl-winsys-wgl-feature-functions.h b/cogl/winsys/cogl-winsys-wgl-feature-functions.h new file mode 100644 index 0000000..c45e79a --- /dev/null +++ b/cogl/winsys/cogl-winsys-wgl-feature-functions.h @@ -0,0 +1,44 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + */ + +/* See cogl-winsys-glx-feature-functions.h for a description of how + this file is used */ + +COGL_WINSYS_FEATURE_BEGIN (swap_control, + "EXT\0", + "swap_control\0", + 0, + 0, + COGL_WINSYS_FEATURE_SWAP_THROTTLE) +COGL_WINSYS_FEATURE_FUNCTION (int, wglSwapInterval, + (int interval)) +COGL_WINSYS_FEATURE_END () diff --git a/cogl/winsys/cogl-winsys-wgl-private.h b/cogl/winsys/cogl-winsys-wgl-private.h new file mode 100644 index 0000000..7ad5773 --- /dev/null +++ b/cogl/winsys/cogl-winsys-wgl-private.h @@ -0,0 +1,37 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2012 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifndef __COGL_WINSYS_WGL_PRIVATE_H +#define __COGL_WINSYS_WGL_PRIVATE_H + +const CoglWinsysVtable * +_cogl_winsys_wgl_get_vtable (void); + +#endif /* __COGL_WINSYS_WGL_PRIVATE_H */ diff --git a/cogl/winsys/cogl-winsys-wgl.c b/cogl/winsys/cogl-winsys-wgl.c new file mode 100644 index 0000000..d3c7c53 --- /dev/null +++ b/cogl/winsys/cogl-winsys-wgl.c @@ -0,0 +1,993 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2010,2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + * Authors: + * Neil Roberts + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include + +#include "cogl-util.h" +#include "cogl-winsys-private.h" +#include "cogl-context-private.h" +#include "cogl-framebuffer.h" +#include "cogl-onscreen-private.h" +#include "cogl-swap-chain-private.h" +#include "cogl-renderer-private.h" +#include "cogl-display-private.h" +#include "cogl-onscreen-template-private.h" +#include "cogl-private.h" +#include "cogl-feature-private.h" +#include "cogl-win32-renderer.h" +#include "cogl-winsys-wgl-private.h" +#include "cogl-error-private.h" +#include "cogl-poll-private.h" + +/* This magic handle will cause g_poll to wakeup when there is a + * pending message */ +#define WIN32_MSG_HANDLE 19981206 + +typedef struct _CoglRendererWgl +{ + GModule *gl_module; + + /* Function pointers for GLX specific extensions */ +#define COGL_WINSYS_FEATURE_BEGIN(a, b, c, d, e, f) + +#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) \ + ret (APIENTRY * pf_ ## name) args; + +#define COGL_WINSYS_FEATURE_END() + +#include "cogl-winsys-wgl-feature-functions.h" + +#undef COGL_WINSYS_FEATURE_BEGIN +#undef COGL_WINSYS_FEATURE_FUNCTION +#undef COGL_WINSYS_FEATURE_END +} CoglRendererWgl; + +typedef struct _CoglDisplayWgl +{ + ATOM window_class; + HGLRC wgl_context; + HWND dummy_hwnd; + HDC dummy_dc; +} CoglDisplayWgl; + +typedef struct _CoglOnscreenWin32 +{ + HWND hwnd; + CoglBool is_foreign_hwnd; +} CoglOnscreenWin32; + +typedef struct _CoglContextWgl +{ + HDC current_dc; +} CoglContextWgl; + +typedef struct _CoglOnscreenWgl +{ + CoglOnscreenWin32 _parent; + + HDC client_dc; + +} CoglOnscreenWgl; + +/* Define a set of arrays containing the functions required from GL + for each winsys feature */ +#define COGL_WINSYS_FEATURE_BEGIN(name, namespaces, extension_names, \ + feature_flags, feature_flags_private, \ + winsys_feature) \ + static const CoglFeatureFunction \ + cogl_wgl_feature_ ## name ## _funcs[] = { +#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) \ + { G_STRINGIFY (name), G_STRUCT_OFFSET (CoglRendererWgl, pf_ ## name) }, +#define COGL_WINSYS_FEATURE_END() \ + { NULL, 0 }, \ + }; +#include "cogl-winsys-wgl-feature-functions.h" + +/* Define an array of features */ +#undef COGL_WINSYS_FEATURE_BEGIN +#define COGL_WINSYS_FEATURE_BEGIN(name, namespaces, extension_names, \ + feature_flags, feature_flags_private, \ + winsys_feature) \ + { 255, 255, 0, namespaces, extension_names, \ + feature_flags, feature_flags_private, \ + winsys_feature, \ + cogl_wgl_feature_ ## name ## _funcs }, +#undef COGL_WINSYS_FEATURE_FUNCTION +#define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) +#undef COGL_WINSYS_FEATURE_END +#define COGL_WINSYS_FEATURE_END() + +static const CoglFeatureData winsys_feature_data[] = + { +#include "cogl-winsys-wgl-feature-functions.h" + }; + +static CoglFuncPtr +_cogl_winsys_renderer_get_proc_address (CoglRenderer *renderer, + const char *name, + CoglBool in_core) +{ + CoglRendererWgl *wgl_renderer = renderer->winsys; + void *proc = wglGetProcAddress ((LPCSTR) name); + + /* The documentation for wglGetProcAddress implies that it only + returns pointers to extension functions so if it fails we'll try + resolving the symbol directly from the the GL library. We could + completely avoid using wglGetProcAddress if in_core is TRUE but + on WGL any function that is in GL > 1.1 is considered an + extension and is not directly exported from opengl32.dll. + Therefore we currently just assume wglGetProcAddress will return + NULL for GL 1.1 functions and we can fallback to querying them + directly from the library */ + + if (proc == NULL) + { + if (wgl_renderer->gl_module == NULL) + wgl_renderer->gl_module = g_module_open ("opengl32", 0); + + if (wgl_renderer->gl_module) + g_module_symbol (wgl_renderer->gl_module, name, &proc); + } + + return proc; +} + +static void +_cogl_winsys_renderer_disconnect (CoglRenderer *renderer) +{ + CoglRendererWgl *wgl_renderer = renderer->winsys; + + if (renderer->win32_enable_event_retrieval) + _cogl_poll_renderer_remove_fd (renderer, WIN32_MSG_HANDLE); + + if (wgl_renderer->gl_module) + g_module_close (wgl_renderer->gl_module); + + g_slice_free (CoglRendererWgl, renderer->winsys); +} + +static CoglOnscreen * +find_onscreen_for_hwnd (CoglContext *context, HWND hwnd) +{ + CoglDisplayWgl *display_wgl = context->display->winsys; + GList *l; + + /* If the hwnd has Cogl's window class then we can lookup the + onscreen pointer directly by reading the extra window data */ + if (GetClassLongPtr (hwnd, GCW_ATOM) == display_wgl->window_class) + { + CoglOnscreen *onscreen = (CoglOnscreen *) GetWindowLongPtr (hwnd, 0); + + if (onscreen) + return onscreen; + } + + for (l = context->framebuffers; l; l = l->next) + { + CoglFramebuffer *framebuffer = l->data; + + if (framebuffer->type == COGL_FRAMEBUFFER_TYPE_ONSCREEN) + { + CoglOnscreenWin32 *win32_onscreen = + COGL_ONSCREEN (framebuffer)->winsys; + + if (win32_onscreen->hwnd == hwnd) + return COGL_ONSCREEN (framebuffer); + } + } + + return NULL; +} + +static CoglFilterReturn +win32_event_filter_cb (MSG *msg, void *data) +{ + CoglContext *context = data; + + if (msg->message == WM_SIZE) + { + CoglOnscreen *onscreen = + find_onscreen_for_hwnd (context, msg->hwnd); + + if (onscreen) + { + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + + /* Ignore size changes resulting from the stage being + minimized - otherwise it will think the window has been + resized to 0,0 */ + if (msg->wParam != SIZE_MINIMIZED) + { + WORD new_width = LOWORD (msg->lParam); + WORD new_height = HIWORD (msg->lParam); + _cogl_framebuffer_winsys_update_size (framebuffer, + new_width, + new_height); + } + } + } + else if (msg->message == WM_PAINT) + { + CoglOnscreen *onscreen = + find_onscreen_for_hwnd (context, msg->hwnd); + RECT rect; + + if (onscreen && GetUpdateRect (msg->hwnd, &rect, FALSE)) + { + CoglOnscreenDirtyInfo info; + + /* Apparently this removes the dirty region from the window + * so that it won't be included in the next WM_PAINT + * message. This is also what SDL does to emit dirty + * events */ + ValidateRect (msg->hwnd, &rect); + + info.x = rect.left; + info.y = rect.top; + info.width = rect.right - rect.left; + info.height = rect.bottom - rect.top; + + _cogl_onscreen_queue_dirty (onscreen, &info); + } + } + + return COGL_FILTER_CONTINUE; +} + +static CoglBool +check_messages (void *user_data) +{ + MSG msg; + + return PeekMessageW (&msg, NULL, 0, 0, PM_NOREMOVE) ? TRUE : FALSE; +} + +static void +dispatch_messages (void *user_data) +{ + MSG msg; + + while (PeekMessageW (&msg, NULL, 0, 0, PM_REMOVE)) + /* This should cause the message to be sent to our window proc */ + DispatchMessageW (&msg); +} + +static CoglBool +_cogl_winsys_renderer_connect (CoglRenderer *renderer, + CoglError **error) +{ + renderer->winsys = g_slice_new0 (CoglRendererWgl); + + if (renderer->win32_enable_event_retrieval) + { + /* We'll add a magic handle that will cause a GLib main loop to + * wake up when there are messages. This will only work if the + * application is using GLib but it shouldn't matter if it + * doesn't work in other cases because the application shouldn't + * be using the cogl_poll_* functions on non-Unix systems + * anyway */ + _cogl_poll_renderer_add_fd (renderer, + WIN32_MSG_HANDLE, + COGL_POLL_FD_EVENT_IN, + check_messages, + dispatch_messages, + renderer); + } + + return TRUE; +} + +static LRESULT CALLBACK +window_proc (HWND hwnd, UINT umsg, + WPARAM wparam, LPARAM lparam) +{ + CoglBool message_handled = FALSE; + CoglOnscreen *onscreen; + + /* It's not clear what the best thing to do with messages sent to + the window proc is. We want the application to forward on all + messages through Cogl so that it can have a chance to process + them which might mean that that in it's GetMessage loop it could + call cogl_win32_renderer_handle_event for every message. However + the message loop would usually call DispatchMessage as well which + mean this window proc would be invoked and Cogl would see the + message twice. However we can't just ignore messages in the + window proc because some messages are sent directly from windows + without going through the message queue. This function therefore + just forwards on all messages directly. This means that the + application is not expected to forward on messages if it has let + Cogl create the window itself because it will already see them + via the window proc. This limits the kinds of messages that Cogl + can handle to ones that are sent to the windows it creates, but I + think that is a reasonable restriction */ + + /* Convert the message to a MSG struct and pass it through the Cogl + message handling mechanism */ + + /* This window proc is only called for messages created with Cogl's + window class so we should be able to work out the corresponding + window class by looking in the extra window data. Windows will + send some extra messages before we get a chance to set this value + so we have to ignore these */ + onscreen = (CoglOnscreen *) GetWindowLongPtr (hwnd, 0); + + if (onscreen != NULL) + { + CoglRenderer *renderer; + DWORD message_pos; + MSG msg; + + msg.hwnd = hwnd; + msg.message = umsg; + msg.wParam = wparam; + msg.lParam = lparam; + msg.time = GetMessageTime (); + /* Neither MAKE_POINTS nor GET_[XY]_LPARAM is defined in MinGW + headers so we need to convert to a signed type explicitly */ + message_pos = GetMessagePos (); + msg.pt.x = (SHORT) LOWORD (message_pos); + msg.pt.y = (SHORT) HIWORD (message_pos); + + renderer = COGL_FRAMEBUFFER (onscreen)->context->display->renderer; + + message_handled = + cogl_win32_renderer_handle_event (renderer, &msg); + } + + if (!message_handled) + return DefWindowProcW (hwnd, umsg, wparam, lparam); + else + return 0; +} + +static CoglBool +pixel_format_is_better (const PIXELFORMATDESCRIPTOR *pfa, + const PIXELFORMATDESCRIPTOR *pfb) +{ + /* Always prefer a format with a stencil buffer */ + if (pfa->cStencilBits == 0) + { + if (pfb->cStencilBits > 0) + return TRUE; + } + else if (pfb->cStencilBits == 0) + return FALSE; + + /* Prefer a bigger color buffer */ + if (pfb->cColorBits > pfa->cColorBits) + return TRUE; + else if (pfb->cColorBits < pfa->cColorBits) + return FALSE; + + /* Prefer a bigger depth buffer */ + return pfb->cDepthBits > pfa->cDepthBits; +} + +static int +choose_pixel_format (CoglFramebufferConfig *config, + HDC dc, PIXELFORMATDESCRIPTOR *pfd) +{ + int i, num_formats, best_pf = 0; + PIXELFORMATDESCRIPTOR best_pfd; + + num_formats = DescribePixelFormat (dc, 0, sizeof (best_pfd), NULL); + + /* XXX: currently we don't support multisampling on windows... */ + if (config->samples_per_pixel) + return best_pf; + + for (i = 1; i <= num_formats; i++) + { + memset (pfd, 0, sizeof (*pfd)); + + if (DescribePixelFormat (dc, i, sizeof (best_pfd), pfd) && + /* Check whether this format is useable by Cogl */ + ((pfd->dwFlags & (PFD_SUPPORT_OPENGL | + PFD_DRAW_TO_WINDOW | + PFD_DOUBLEBUFFER | + PFD_GENERIC_FORMAT)) == + (PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER | PFD_DRAW_TO_WINDOW)) && + pfd->iPixelType == PFD_TYPE_RGBA && + pfd->cColorBits >= 16 && pfd->cColorBits <= 32 && + pfd->cDepthBits >= 16 && pfd->cDepthBits <= 32 && + /* Check whether this is a better format than one we've + already found */ + (best_pf == 0 || pixel_format_is_better (&best_pfd, pfd))) + { + if (config->swap_chain->has_alpha && pfd->cAlphaBits == 0) + continue; + if (config->need_stencil && pfd->cStencilBits == 0) + continue; + + best_pf = i; + best_pfd = *pfd; + } + } + + *pfd = best_pfd; + + return best_pf; +} + +static CoglBool +create_window_class (CoglDisplay *display, CoglError **error) +{ + CoglDisplayWgl *wgl_display = display->winsys; + char *class_name_ascii, *src; + WCHAR *class_name_wchar, *dst; + WNDCLASSW wndclass; + + /* We create a window class per display so that we have an + opportunity to clean up the class when the display is + destroyed */ + + /* Generate a unique name containing the address of the display */ + class_name_ascii = g_strdup_printf ("CoglWindow0x%0*" G_GINTPTR_MODIFIER "x", + sizeof (guintptr) * 2, + (guintptr) display); + /* Convert it to WCHARs */ + class_name_wchar = g_malloc ((strlen (class_name_ascii) + 1) * + sizeof (WCHAR)); + for (src = class_name_ascii, dst = class_name_wchar; + *src; + src++, dst++) + *dst = *src; + *dst = L'\0'; + + memset (&wndclass, 0, sizeof (wndclass)); + wndclass.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW; + wndclass.lpfnWndProc = window_proc; + /* We reserve extra space in the window data for a pointer back to + the CoglOnscreen */ + wndclass.cbWndExtra = sizeof (LONG_PTR); + wndclass.hInstance = GetModuleHandleW (NULL); + wndclass.hIcon = LoadIconW (NULL, (LPWSTR) IDI_APPLICATION); + wndclass.hCursor = LoadCursorW (NULL, (LPWSTR) IDC_ARROW); + wndclass.hbrBackground = NULL; + wndclass.lpszMenuName = NULL; + wndclass.lpszClassName = class_name_wchar; + wgl_display->window_class = RegisterClassW (&wndclass); + + g_free (class_name_wchar); + g_free (class_name_ascii); + + if (wgl_display->window_class == 0) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to register window class"); + return FALSE; + } + + return TRUE; +} + +static CoglBool +create_context (CoglDisplay *display, CoglError **error) +{ + CoglDisplayWgl *wgl_display = display->winsys; + + _COGL_RETURN_VAL_IF_FAIL (wgl_display->wgl_context == NULL, FALSE); + + /* Cogl assumes that there is always a GL context selected; in order + * to make sure that a WGL context exists and is made current, we + * use a small dummy window that never gets shown to which we can + * always fall back if no onscreen is available + */ + if (wgl_display->dummy_hwnd == NULL) + { + wgl_display->dummy_hwnd = + CreateWindowW ((LPWSTR) MAKEINTATOM (wgl_display->window_class), + L".", + WS_OVERLAPPEDWINDOW, + CW_USEDEFAULT, + CW_USEDEFAULT, + 1, 1, + NULL, NULL, + GetModuleHandle (NULL), + NULL); + + if (wgl_display->dummy_hwnd == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to create dummy window"); + return FALSE; + } + } + + if (wgl_display->dummy_dc == NULL) + { + PIXELFORMATDESCRIPTOR pfd; + int pf; + + wgl_display->dummy_dc = GetDC (wgl_display->dummy_hwnd); + + pf = choose_pixel_format (&display->onscreen_template->config, + wgl_display->dummy_dc, &pfd); + + if (pf == 0 || !SetPixelFormat (wgl_display->dummy_dc, pf, &pfd)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to find suitable GL pixel format"); + ReleaseDC (wgl_display->dummy_hwnd, wgl_display->dummy_dc); + wgl_display->dummy_dc = NULL; + return FALSE; + } + } + + if (wgl_display->wgl_context == NULL) + { + wgl_display->wgl_context = wglCreateContext (wgl_display->dummy_dc); + + if (wgl_display->wgl_context == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_CONTEXT, + "Unable to create suitable GL context"); + return FALSE; + } + } + + COGL_NOTE (WINSYS, "Selecting dummy 0x%x for the WGL context", + (unsigned int) wgl_display->dummy_hwnd); + + wglMakeCurrent (wgl_display->dummy_dc, wgl_display->wgl_context); + + return TRUE; +} + +static void +_cogl_winsys_display_destroy (CoglDisplay *display) +{ + CoglDisplayWgl *wgl_display = display->winsys; + + _COGL_RETURN_IF_FAIL (wgl_display != NULL); + + if (wgl_display->wgl_context) + { + wglMakeCurrent (NULL, NULL); + wglDeleteContext (wgl_display->wgl_context); + } + + if (wgl_display->dummy_dc) + ReleaseDC (wgl_display->dummy_hwnd, wgl_display->dummy_dc); + + if (wgl_display->dummy_hwnd) + DestroyWindow (wgl_display->dummy_hwnd); + + if (wgl_display->window_class) + UnregisterClassW ((LPWSTR) MAKEINTATOM (wgl_display->window_class), + GetModuleHandleW (NULL)); + + g_slice_free (CoglDisplayWgl, display->winsys); + display->winsys = NULL; +} + +static CoglBool +_cogl_winsys_display_setup (CoglDisplay *display, + CoglError **error) +{ + CoglDisplayWgl *wgl_display; + + _COGL_RETURN_VAL_IF_FAIL (display->winsys == NULL, FALSE); + + wgl_display = g_slice_new0 (CoglDisplayWgl); + display->winsys = wgl_display; + + if (!create_window_class (display, error)) + goto error; + + if (!create_context (display, error)) + goto error; + + return TRUE; + +error: + _cogl_winsys_display_destroy (display); + return FALSE; +} + +static const char * +get_wgl_extensions_string (HDC dc) +{ + const char * (APIENTRY *pf_wglGetExtensionsStringARB) (HDC); + const char * (APIENTRY *pf_wglGetExtensionsStringEXT) (void); + + _COGL_GET_CONTEXT (ctx, NULL); + + /* According to the docs for these two extensions, you are supposed + to use wglGetProcAddress to detect their availability so + presumably it will return NULL if they are not available */ + + pf_wglGetExtensionsStringARB = + (void *) wglGetProcAddress ("wglGetExtensionsStringARB"); + + if (pf_wglGetExtensionsStringARB) + return pf_wglGetExtensionsStringARB (dc); + + pf_wglGetExtensionsStringEXT = + (void *) wglGetProcAddress ("wglGetExtensionsStringEXT"); + + if (pf_wglGetExtensionsStringEXT) + return pf_wglGetExtensionsStringEXT (); + + /* The WGL_EXT_swap_control is also advertised as a GL extension as + GL_EXT_SWAP_CONTROL so if the extension to get the list of WGL + extensions isn't supported then we can at least fake it to + support the swap control extension */ + { + char **extensions = _cogl_context_get_gl_extensions (ctx); + CoglBool have_ext = _cogl_check_extension ("WGL_EXT_swap_control", + extensions); + g_strfreev (extensions); + if (have_ext) + return "WGL_EXT_swap_control"; + } + + return NULL; +} + +static CoglBool +update_winsys_features (CoglContext *context, CoglError **error) +{ + CoglDisplayWgl *wgl_display = context->display->winsys; + CoglRendererWgl *wgl_renderer = context->display->renderer->winsys; + const char *wgl_extensions; + int i; + + _COGL_RETURN_VAL_IF_FAIL (wgl_display->wgl_context, FALSE); + + if (!_cogl_context_update_features (context, error)) + return FALSE; + + memset (context->winsys_features, 0, sizeof (context->winsys_features)); + + context->feature_flags |= COGL_FEATURE_ONSCREEN_MULTIPLE; + COGL_FLAGS_SET (context->features, + COGL_FEATURE_ID_ONSCREEN_MULTIPLE, TRUE); + COGL_FLAGS_SET (context->winsys_features, + COGL_WINSYS_FEATURE_MULTIPLE_ONSCREEN, + TRUE); + + wgl_extensions = get_wgl_extensions_string (wgl_display->dummy_dc); + + if (wgl_extensions) + { + char **split_extensions = + g_strsplit (wgl_extensions, " ", 0 /* max_tokens */); + + COGL_NOTE (WINSYS, " WGL Extensions: %s", wgl_extensions); + + for (i = 0; i < G_N_ELEMENTS (winsys_feature_data); i++) + if (_cogl_feature_check (context->display->renderer, + "WGL", winsys_feature_data + i, 0, 0, + COGL_DRIVER_GL, + split_extensions, + wgl_renderer)) + { + context->feature_flags |= winsys_feature_data[i].feature_flags; + if (winsys_feature_data[i].winsys_feature) + COGL_FLAGS_SET (context->winsys_features, + winsys_feature_data[i].winsys_feature, + TRUE); + } + + g_strfreev (split_extensions); + } + + /* We'll manually handle queueing dirty events in response to + * WM_PAINT messages */ + COGL_FLAGS_SET (context->private_features, + COGL_PRIVATE_FEATURE_DIRTY_EVENTS, + TRUE); + + return TRUE; +} + +static CoglBool +_cogl_winsys_context_init (CoglContext *context, CoglError **error) +{ + context->winsys = g_new0 (CoglContextWgl, 1); + + cogl_win32_renderer_add_filter (context->display->renderer, + win32_event_filter_cb, + context); + + return update_winsys_features (context, error); +} + +static void +_cogl_winsys_context_deinit (CoglContext *context) +{ + cogl_win32_renderer_remove_filter (context->display->renderer, + win32_event_filter_cb, + context); + + g_free (context->winsys); +} + +static void +_cogl_winsys_onscreen_bind (CoglOnscreen *onscreen) +{ + CoglFramebuffer *fb; + CoglContext *context; + CoglContextWgl *wgl_context; + CoglDisplayWgl *wgl_display; + CoglOnscreenWgl *wgl_onscreen; + CoglRendererWgl *wgl_renderer; + + /* The glx backend tries to bind the dummy context if onscreen == + NULL, but this isn't really going to work because before checking + whether onscreen == NULL it reads the pointer to get the + context */ + _COGL_RETURN_IF_FAIL (onscreen != NULL); + + fb = COGL_FRAMEBUFFER (onscreen); + context = fb->context; + wgl_context = context->winsys; + wgl_display = context->display->winsys; + wgl_onscreen = onscreen->winsys; + wgl_renderer = context->display->renderer->winsys; + + if (wgl_context->current_dc == wgl_onscreen->client_dc) + return; + + wglMakeCurrent (wgl_onscreen->client_dc, wgl_display->wgl_context); + + /* According to the specs for WGL_EXT_swap_control SwapInterval() + * applies to the current window not the context so we apply it here + * to ensure its up-to-date even for new windows. + */ + if (wgl_renderer->pf_wglSwapInterval) + { + if (fb->config.swap_throttled) + wgl_renderer->pf_wglSwapInterval (1); + else + wgl_renderer->pf_wglSwapInterval (0); + } + + wgl_context->current_dc = wgl_onscreen->client_dc; +} + +static void +_cogl_winsys_onscreen_deinit (CoglOnscreen *onscreen) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglContextWgl *wgl_context = context->winsys; + CoglOnscreenWin32 *win32_onscreen = onscreen->winsys; + CoglOnscreenWgl *wgl_onscreen = onscreen->winsys; + + /* If we never successfully allocated then there's nothing to do */ + if (wgl_onscreen == NULL) + return; + + if (wgl_onscreen->client_dc) + { + if (wgl_context->current_dc == wgl_onscreen->client_dc) + _cogl_winsys_onscreen_bind (NULL); + + ReleaseDC (win32_onscreen->hwnd, wgl_onscreen->client_dc); + } + + if (!win32_onscreen->is_foreign_hwnd && win32_onscreen->hwnd) + { + /* Drop the pointer to the onscreen in the window so that any + further messages won't be processed */ + SetWindowLongPtrW (win32_onscreen->hwnd, 0, (LONG_PTR) 0); + DestroyWindow (win32_onscreen->hwnd); + } + + g_slice_free (CoglOnscreenWgl, onscreen->winsys); + onscreen->winsys = NULL; +} + +static CoglBool +_cogl_winsys_onscreen_init (CoglOnscreen *onscreen, + CoglError **error) +{ + CoglFramebuffer *framebuffer = COGL_FRAMEBUFFER (onscreen); + CoglContext *context = framebuffer->context; + CoglDisplay *display = context->display; + CoglDisplayWgl *wgl_display = display->winsys; + CoglOnscreenWgl *wgl_onscreen; + CoglOnscreenWin32 *win32_onscreen; + PIXELFORMATDESCRIPTOR pfd; + int pf; + HWND hwnd; + + _COGL_RETURN_VAL_IF_FAIL (wgl_display->wgl_context, FALSE); + + /* XXX: Note we ignore the user's original width/height when given a + * foreign window. */ + if (onscreen->foreign_hwnd) + { + RECT client_rect; + + hwnd = onscreen->foreign_hwnd; + + GetClientRect (hwnd, &client_rect); + + _cogl_framebuffer_winsys_update_size (framebuffer, + client_rect.right, + client_rect.bottom); + } + else + { + int width, height; + + width = COGL_FRAMEBUFFER (onscreen)->width; + height = COGL_FRAMEBUFFER (onscreen)->height; + + /* The size of the window passed to CreateWindow for some reason + includes the window decorations so we need to compensate for + that */ + width += GetSystemMetrics (SM_CXSIZEFRAME) * 2; + height += (GetSystemMetrics (SM_CYSIZEFRAME) * 2 + + GetSystemMetrics (SM_CYCAPTION)); + + hwnd = CreateWindowW ((LPWSTR) MAKEINTATOM (wgl_display->window_class), + L".", + WS_OVERLAPPEDWINDOW, + CW_USEDEFAULT, /* xpos */ + CW_USEDEFAULT, /* ypos */ + width, + height, + NULL, /* parent */ + NULL, /* menu */ + GetModuleHandle (NULL), + NULL /* lparam for the WM_CREATE message */); + + if (hwnd == NULL) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Unable to create window"); + return FALSE; + } + + /* Store a pointer back to the onscreen in the window extra data + so we can refer back to it quickly */ + SetWindowLongPtrW (hwnd, 0, (LONG_PTR) onscreen); + } + + onscreen->winsys = g_slice_new0 (CoglOnscreenWgl); + win32_onscreen = onscreen->winsys; + wgl_onscreen = onscreen->winsys; + + win32_onscreen->hwnd = hwnd; + + wgl_onscreen->client_dc = GetDC (hwnd); + + /* Use the same pixel format as the dummy DC from the renderer */ + pf = choose_pixel_format (&framebuffer->config, + wgl_onscreen->client_dc, &pfd); + + if (pf == 0 || !SetPixelFormat (wgl_onscreen->client_dc, pf, &pfd)) + { + _cogl_set_error (error, COGL_WINSYS_ERROR, + COGL_WINSYS_ERROR_CREATE_ONSCREEN, + "Error setting pixel format on the window"); + + _cogl_winsys_onscreen_deinit (onscreen); + + return FALSE; + } + + return TRUE; +} + +static void +_cogl_winsys_onscreen_swap_buffers_with_damage (CoglOnscreen *onscreen, + const int *rectangles, + int n_rectangles) +{ + CoglOnscreenWgl *wgl_onscreen = onscreen->winsys; + + SwapBuffers (wgl_onscreen->client_dc); +} + +static void +_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen) +{ + CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context; + CoglContextWgl *wgl_context = context->winsys; + CoglOnscreenWgl *wgl_onscreen = onscreen->winsys; + + if (wgl_context->current_dc != wgl_onscreen->client_dc) + return; + + /* This will cause it to rebind the context and update the swap interval */ + wgl_context->current_dc = NULL; + _cogl_winsys_onscreen_bind (onscreen); +} + +static HWND +_cogl_winsys_onscreen_win32_get_window (CoglOnscreen *onscreen) +{ + CoglOnscreenWin32 *win32_onscreen = onscreen->winsys; + return win32_onscreen->hwnd; +} + +static void +_cogl_winsys_onscreen_set_visibility (CoglOnscreen *onscreen, + CoglBool visibility) +{ + CoglOnscreenWin32 *win32_onscreen = onscreen->winsys; + + ShowWindow (win32_onscreen->hwnd, visibility ? SW_SHOW : SW_HIDE); +} + +const CoglWinsysVtable * +_cogl_winsys_wgl_get_vtable (void) +{ + static CoglBool vtable_inited = FALSE; + static CoglWinsysVtable vtable; + + /* It would be nice if we could use C99 struct initializers here + like the GLX backend does. However this code is more likely to be + compiled using Visual Studio which (still!) doesn't support them + so we initialize it in code instead */ + + if (!vtable_inited) + { + memset (&vtable, 0, sizeof (vtable)); + + vtable.id = COGL_WINSYS_ID_WGL; + vtable.name = "WGL"; + vtable.renderer_get_proc_address = _cogl_winsys_renderer_get_proc_address; + vtable.renderer_connect = _cogl_winsys_renderer_connect; + vtable.renderer_disconnect = _cogl_winsys_renderer_disconnect; + vtable.display_setup = _cogl_winsys_display_setup; + vtable.display_destroy = _cogl_winsys_display_destroy; + vtable.context_init = _cogl_winsys_context_init; + vtable.context_deinit = _cogl_winsys_context_deinit; + vtable.onscreen_init = _cogl_winsys_onscreen_init; + vtable.onscreen_deinit = _cogl_winsys_onscreen_deinit; + vtable.onscreen_bind = _cogl_winsys_onscreen_bind; + vtable.onscreen_swap_buffers_with_damage = + _cogl_winsys_onscreen_swap_buffers_with_damage; + vtable.onscreen_update_swap_throttled = + _cogl_winsys_onscreen_update_swap_throttled; + vtable.onscreen_set_visibility = _cogl_winsys_onscreen_set_visibility; + vtable.onscreen_win32_get_window = _cogl_winsys_onscreen_win32_get_window; + + vtable_inited = TRUE; + } + + return &vtable; +} diff --git a/cogl/winsys/cogl-winsys.c b/cogl/winsys/cogl-winsys.c new file mode 100644 index 0000000..fccb94c --- /dev/null +++ b/cogl/winsys/cogl-winsys.c @@ -0,0 +1,52 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2007,2008,2009,2010 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "cogl-context-private.h" + +#include + +uint32_t +_cogl_winsys_error_quark (void) +{ + return g_quark_from_static_string ("cogl-winsys-error-quark"); +} + +/* FIXME: we should distinguish renderer and context features */ +CoglBool +_cogl_winsys_has_feature (CoglWinsysFeature feature) +{ + _COGL_GET_CONTEXT (ctx, FALSE); + + return COGL_FLAGS_GET (ctx->winsys_features, feature); +} diff --git a/config-custom.h b/config-custom.h new file mode 100644 index 0000000..137b51f --- /dev/null +++ b/config-custom.h @@ -0,0 +1,42 @@ +/* + * Cogl + * + * A Low Level GPU Graphics and Utilities API + * + * Copyright (C) 2011 Intel Corporation. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* The contents of this file get #included by config.h so it is + intended for extra configuration that needs to be included by all + Cogl source files. */ + +/* The windows headers #define 'near' and 'far' to be blank. We + commonly want to use these variable names for doing perspective + transformation so rather than having to workaround this mis-feature + in Windows in the code we just #undef them here. We need to do this + after including windows.h */ +#ifdef _WIN32 +#include +#undef near +#undef far +#endif /* _WIN32 */ diff --git a/config.h.in b/config.h.in new file mode 100644 index 0000000..c9613b7 --- /dev/null +++ b/config.h.in @@ -0,0 +1,598 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define if building universal (internal helper macro) */ +#undef AC_APPLE_UNIVERSAL_BUILD + +/* define if asm blocks can use numeric local labels */ +#undef ASM_NUMERIC_LABELS + +/* Can use Cogl 2.0 API internally */ +#undef COGL_ENABLE_EXPERIMENTAL_2_0_API + +/* Can use experimental API internally */ +#undef COGL_ENABLE_EXPERIMENTAL_API + +/* The major version for libgbm */ +#undef COGL_GBM_MAJOR + +/* The micro version for libgbm */ +#undef COGL_GBM_MICRO + +/* The minor version for libgbm */ +#undef COGL_GBM_MINOR + +/* Cogl supports OpenGL using the WGL API */ +#undef COGL_HAS_WGL_SUPPORT + +/* Define to 1 if translation of program messages to the user's native + language is requested. */ +#undef ENABLE_NLS + +/* Whether to enable building unit tests */ +#undef ENABLE_UNIT_TESTS + +/* The prefix for our gettext translation domains. */ +#undef GETTEXT_PACKAGE + +/* Define to the GLIB binary age */ +#undef GLIB_BINARY_AGE + +/* Byte contents of gmutex */ +#undef GLIB_BYTE_CONTENTS_GMUTEX + +/* Define to the GLIB interface age */ +#undef GLIB_INTERFACE_AGE + +/* The size of gmutex, as computed by sizeof. */ +#undef GLIB_SIZEOF_GMUTEX + +/* The size of system_thread, as computed by sizeof. */ +#undef GLIB_SIZEOF_SYSTEM_THREAD + +/* alpha atomic implementation */ +#undef G_ATOMIC_ALPHA + +/* arm atomic implementation */ +#undef G_ATOMIC_ARM + +/* cris atomic implementation */ +#undef G_ATOMIC_CRIS + +/* crisv32 atomic implementation */ +#undef G_ATOMIC_CRISV32 + +/* i486 atomic implementation */ +#undef G_ATOMIC_I486 + +/* ia64 atomic implementation */ +#undef G_ATOMIC_IA64 + +/* powerpc atomic implementation */ +#undef G_ATOMIC_POWERPC + +/* s390 atomic implementation */ +#undef G_ATOMIC_S390 + +/* sparcv9 atomic implementation */ +#undef G_ATOMIC_SPARCV9 + +/* x86_64 atomic implementation */ +#undef G_ATOMIC_X86_64 + +/* Have inline keyword */ +#undef G_HAVE_INLINE + +/* Have __inline keyword */ +#undef G_HAVE___INLINE + +/* Have __inline__ keyword */ +#undef G_HAVE___INLINE__ + +/* Source file containing theread implementation */ +#undef G_THREAD_SOURCE + +/* A 'va_copy' style function */ +#undef G_VA_COPY + +/* 'va_lists' cannot be copies as values */ +#undef G_VA_COPY_AS_ARRAY + +/* Define to 1 if you have the header file. */ +#undef HAVE_ALLOCA_H + +/* Define to 1 if you have the `atexit' function. */ +#undef HAVE_ATEXIT + +/* Whether we have cairo or not */ +#undef HAVE_CAIRO + +/* Define to 1 if you have the header file. */ +#undef HAVE_CE4100_LIBGDL_H + +/* Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the + CoreFoundation framework. */ +#undef HAVE_CFLOCALECOPYCURRENT + +/* Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in + the CoreFoundation framework. */ +#undef HAVE_CFPREFERENCESCOPYAPPVALUE + +/* Define to 1 if you have the `chown' function. */ +#undef HAVE_CHOWN + +/* Have GL for rendering */ +#undef HAVE_COGL_GL + +/* Have GLES 1.1 for rendering */ +#undef HAVE_COGL_GLES + +/* Have GLES 2.0 for rendering */ +#undef HAVE_COGL_GLES2 + +/* Have WebGL for rendering */ +#undef HAVE_COGL_WEBGL + +/* Define if the GNU dcgettext() function is already present or preinstalled. + */ +#undef HAVE_DCGETTEXT + +/* Defined if the GL library should not be dlopened */ +#undef HAVE_DIRECTLY_LINKED_GL_LIBRARY + +/* Define to 1 if you have the header file. */ +#undef HAVE_DIRENT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_DLFCN_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_EGL_EGLEXT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_EGL_EGL_H + +/* Define to 1 if you have the `endmntent' function. */ +#undef HAVE_ENDMNTENT + +/* Define to 1 if you have the `fchmod' function. */ +#undef HAVE_FCHMOD + +/* Define to 1 if you have the `fchown' function. */ +#undef HAVE_FCHOWN + +/* Define to 1 if you have the header file. */ +#undef HAVE_FCNTL_H + +/* Define to 1 if you have the `fdwalk' function. */ +#undef HAVE_FDWALK + +/* Define to 1 if you have the `ffs' function. */ +#undef HAVE_FFS + +/* Define to 1 if you have the header file. */ +#undef HAVE_FLOAT_H + +/* Has the __FLOAT_WORD_ORDER macro */ +#undef HAVE_FLOAT_WORD_ORDER + +/* Define to 1 if you have the header file. */ +#undef HAVE_FSTAB_H + +/* we have the futex(2) system call */ +#undef HAVE_FUTEX + +/* Define to 1 if you have the `getcwd' function. */ +#undef HAVE_GETCWD + +/* Define to 1 if you have the `getc_unlocked' function. */ +#undef HAVE_GETC_UNLOCKED + +/* Define to 1 if you have the `getfsstat' function. */ +#undef HAVE_GETFSSTAT + +/* Define to 1 if you have the `getgrgid' function. */ +#undef HAVE_GETGRGID + +/* Define to 1 if you have the `getmntent_r' function. */ +#undef HAVE_GETMNTENT_R + +/* Define to 1 if you have the `getpwuid' function. */ +#undef HAVE_GETPWUID + +/* Define if the GNU gettext() function is already present or preinstalled. */ +#undef HAVE_GETTEXT + +/* Define to 1 if you have the `getvfsstat' function. */ +#undef HAVE_GETVFSSTAT + +/* Define to 1 if you have the header file. */ +#undef HAVE_GLES_EGL_H + +/* Define to 1 if you have the `gmtime_r' function. */ +#undef HAVE_GMTIME_R + +/* define to use system printf */ +#undef HAVE_GOOD_PRINTF + +/* Define to 1 if you have the header file. */ +#undef HAVE_GRP_H + +/* Define to 1 if you have the `hasmntopt' function. */ +#undef HAVE_HASMNTOPT + +/* Define if you have the iconv() function and it works. */ +#undef HAVE_ICONV + +/* define to support printing 64-bit integers with format I64 */ +#undef HAVE_INT64_AND_I64 + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the `lchmod' function. */ +#undef HAVE_LCHMOD + +/* Define to 1 if you have the `lchown' function. */ +#undef HAVE_LCHOWN + +/* Define to 1 if you have the header file. */ +#undef HAVE_LIBGDL_H + +/* Define to 1 if you have the `GL' library (-lGL). */ +#undef HAVE_LIBGL + +/* Define to 1 if you have the header file. */ +#undef HAVE_LIMITS_H + +/* Define to 1 if you have the `link' function. */ +#undef HAVE_LINK + +/* Define to 1 if you have the header file. */ +#undef HAVE_LINUX_MAGIC_H + +/* Define to 1 if you have the `localtime_r' function. */ +#undef HAVE_LOCALTIME_R + +/* define if system printf can print long long */ +#undef HAVE_LONG_LONG_FORMAT + +/* Define to 1 if you have the `lstat' function. */ +#undef HAVE_LSTAT + +/* Define to 1 if you have the header file. */ +#undef HAVE_MALLOC_H + +/* Define to 1 if you have the `memmem' function. */ +#undef HAVE_MEMMEM + +/* Define to 1 if you have the `memmove' function. */ +#undef HAVE_MEMMOVE + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_MNTENT_H + +/* Have non-POSIX function getgrgid_r */ +#undef HAVE_NONPOSIX_GETGRGID_R + +/* Have non-POSIX function getpwuid_r */ +#undef HAVE_NONPOSIX_GETPWUID_R + +/* Define to 1 if you have the `on_exit' function. */ +#undef HAVE_ON_EXIT + +/* Define to 1 if you have the `poll' function. */ +#undef HAVE_POLL + +/* Have POSIX function getgrgid_r */ +#undef HAVE_POSIX_GETGRGID_R + +/* Have POSIX function getpwuid_r */ +#undef HAVE_POSIX_GETPWUID_R + +/* Have function pthread_attr_setstacksize */ +#undef HAVE_PTHREAD_ATTR_SETSTACKSIZE + +/* Define to 1 if you have the header file. */ +#undef HAVE_PWD_H + +/* Define to 1 if you have the `readlink' function. */ +#undef HAVE_READLINK + +/* Define to 1 if you have the header file. */ +#undef HAVE_SCHED_H + +/* Define to 1 if you have the `setenv' function. */ +#undef HAVE_SETENV + +/* Define to 1 if you have the `setmntent' function. */ +#undef HAVE_SETMNTENT + +/* Define to 1 if you have the `sincos' function. */ +#undef HAVE_SINCOS + +/* Define to 1 if you have the `splice' function. */ +#undef HAVE_SPLICE + +/* Whether _Static_assert can be used or not */ +#undef HAVE_STATIC_ASSERT + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the `stpcpy' function. */ +#undef HAVE_STPCPY + +/* Define to 1 if you have the `strcasecmp' function. */ +#undef HAVE_STRCASECMP + +/* Define to 1 if you have the `strerror' function. */ +#undef HAVE_STRERROR + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the `strncasecmp' function. */ +#undef HAVE_STRNCASECMP + +/* Define to 1 if you have the `strsignal' function. */ +#undef HAVE_STRSIGNAL + +/* Define to 1 if `f_bavail' is a member of `struct statfs'. */ +#undef HAVE_STRUCT_STATFS_F_BAVAIL + +/* Define to 1 if `f_fstypename' is a member of `struct statfs'. */ +#undef HAVE_STRUCT_STATFS_F_FSTYPENAME + +/* Define to 1 if `f_basetype' is a member of `struct statvfs'. */ +#undef HAVE_STRUCT_STATVFS_F_BASETYPE + +/* Define to 1 if `f_fstypename' is a member of `struct statvfs'. */ +#undef HAVE_STRUCT_STATVFS_F_FSTYPENAME + +/* Define to 1 if `st_atimensec' is a member of `struct stat'. */ +#undef HAVE_STRUCT_STAT_ST_ATIMENSEC + +/* Define to 1 if `st_atim.tv_nsec' is a member of `struct stat'. */ +#undef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC + +/* Define to 1 if `st_blksize' is a member of `struct stat'. */ +#undef HAVE_STRUCT_STAT_ST_BLKSIZE + +/* Define to 1 if `st_blocks' is a member of `struct stat'. */ +#undef HAVE_STRUCT_STAT_ST_BLOCKS + +/* Define to 1 if `st_ctimensec' is a member of `struct stat'. */ +#undef HAVE_STRUCT_STAT_ST_CTIMENSEC + +/* Define to 1 if `st_ctim.tv_nsec' is a member of `struct stat'. */ +#undef HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC + +/* Define to 1 if `st_mtimensec' is a member of `struct stat'. */ +#undef HAVE_STRUCT_STAT_ST_MTIMENSEC + +/* Define to 1 if `st_mtim.tv_nsec' is a member of `struct stat'. */ +#undef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC + +/* Define to 1 if `tm_gmtoff' is a member of `struct tm'. */ +#undef HAVE_STRUCT_TM_TM_GMTOFF + +/* Define to 1 if `__tm_gmtoff' is a member of `struct tm'. */ +#undef HAVE_STRUCT_TM___TM_GMTOFF + +/* Define to 1 if you have the `symlink' function. */ +#undef HAVE_SYMLINK + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_MKDEV_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_MNTCTL_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_MNTTAB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_MOUNT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_PARAM_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_POLL_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_RESOURCE_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SELECT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STATFS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STATVFS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_SYSCTL_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TIMES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TIME_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_UIO_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_VFSTAB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_VFS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_VMOUNT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_WAIT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if you have the `unsetenv' function. */ +#undef HAVE_UNSETENV + +/* Define to 1 if you have the `utimes' function. */ +#undef HAVE_UTIMES + +/* Define to 1 if you have the header file. */ +#undef HAVE_VALUES_H + +/* Define to 1 if you have the `vasprintf' function. */ +#undef HAVE_VASPRINTF + +/* Define to 1 if you have the `vsnprintf' function. */ +#undef HAVE_VSNPRINTF + +/* Have Win32 atomic intrinsics */ +#undef HAVE_WIN32_BUILTINS_FOR_ATOMIC_OPERATIONS + +/* Have a working bcopy */ +#undef HAVE_WORKING_BCOPY + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#undef LT_OBJDIR + +/* global 'sys_errlist' not found */ +#undef NO_SYS_ERRLIST + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Maximum POSIX RT priority */ +#undef POSIX_MAX_PRIORITY + +/* Minimum POSIX RT priority */ +#undef POSIX_MIN_PRIORITY + +/* The POSIX RT yield function */ +#undef POSIX_YIELD_FUNC + +/* The size of `char', as computed by sizeof. */ +#undef SIZEOF_CHAR + +/* The size of `int', as computed by sizeof. */ +#undef SIZEOF_INT + +/* The size of `long', as computed by sizeof. */ +#undef SIZEOF_LONG + +/* The size of `long long', as computed by sizeof. */ +#undef SIZEOF_LONG_LONG + +/* The size of `short', as computed by sizeof. */ +#undef SIZEOF_SHORT + +/* The size of `size_t', as computed by sizeof. */ +#undef SIZEOF_SIZE_T + +/* The size of `void *', as computed by sizeof. */ +#undef SIZEOF_VOID_P + +/* The size of `__int64', as computed by sizeof. */ +#undef SIZEOF___INT64 + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Use GdkPixbuf for loading image data */ +#undef USE_GDKPIXBUF + +/* Use internal image decoding for loading image data */ +#undef USE_INTERNAL + +/* Use Core Graphics (Quartz) for loading image data */ +#undef USE_QUARTZ + +/* Enable extensions on AIX 3, Interix. */ +#ifndef _ALL_SOURCE +# undef _ALL_SOURCE +#endif +/* Enable GNU extensions on systems that have them. */ +#ifndef _GNU_SOURCE +# undef _GNU_SOURCE +#endif +/* Enable threading extensions on Solaris. */ +#ifndef _POSIX_PTHREAD_SEMANTICS +# undef _POSIX_PTHREAD_SEMANTICS +#endif +/* Enable extensions on HP NonStop. */ +#ifndef _TANDEM_SOURCE +# undef _TANDEM_SOURCE +#endif +/* Enable general extensions on Solaris. */ +#ifndef __EXTENSIONS__ +# undef __EXTENSIONS__ +#endif + + +/* Cogl is being compiled with emscripten */ +#undef USING_EMSCRIPTEN + +/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most + significant byte first (like Motorola and SPARC, unlike Intel). */ +#if defined AC_APPLE_UNIVERSAL_BUILD +# if defined __BIG_ENDIAN__ +# define WORDS_BIGENDIAN 1 +# endif +#else +# ifndef WORDS_BIGENDIAN +# undef WORDS_BIGENDIAN +# endif +#endif + +/* Define to 1 if on MINIX. */ +#undef _MINIX + +/* Define to 2 if the system does not provide POSIX.1 features except with + this defined. */ +#undef _POSIX_1_SOURCE + +/* Define to 1 if you need to in order for `stat' and other things to work. */ +#undef _POSIX_SOURCE + +/* Define to empty if `const' does not conform to ANSI C. */ +#undef const + +#include "config-custom.h" diff --git a/config.h.win32 b/config.h.win32 new file mode 100644 index 0000000..7957691 --- /dev/null +++ b/config.h.win32 @@ -0,0 +1,638 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define if building universal (internal helper macro) */ +/* #undef AC_APPLE_UNIVERSAL_BUILD */ + +/* define if asm blocks can use numeric local labels */ +/* #undef ASM_NUMERIC_LABELS */ + +/* Can use Cogl 2.0 API internally */ +#define COGL_ENABLE_EXPERIMENTAL_2_0_API 1 + +/* Can use experimental API internally */ +#define COGL_ENABLE_EXPERIMENTAL_API 1 + +/* The major version for libgbm */ +/* #undef COGL_GBM_MAJOR */ + +/* The micro version for libgbm */ +/* #undef COGL_GBM_MICRO */ + +/* The minor version for libgbm */ +/* #undef COGL_GBM_MINOR */ + +/* Cogl supports OpenGL using the WGL API */ +#define COGL_HAS_WGL_SUPPORT 1 + +/* Define to 1 if translation of program messages to the user's native + language is requested. */ +#define ENABLE_NLS 1 + +/* The prefix for our gettext translation domains. */ +#define GETTEXT_PACKAGE "cogl" + +/* Define to the GLIB binary age */ +/* #undef GLIB_BINARY_AGE */ + +/* Byte contents of gmutex */ +/* #undef GLIB_BYTE_CONTENTS_GMUTEX */ + +/* Define to the GLIB interface age */ +/* #undef GLIB_INTERFACE_AGE */ + +/* The size of gmutex, as computed by sizeof. */ +/* #undef GLIB_SIZEOF_GMUTEX */ + +/* The size of system_thread, as computed by sizeof. */ +/* #undef GLIB_SIZEOF_SYSTEM_THREAD */ + +/* alpha atomic implementation */ +/* #undef G_ATOMIC_ALPHA */ + +/* arm atomic implementation */ +/* #undef G_ATOMIC_ARM */ + +/* cris atomic implementation */ +/* #undef G_ATOMIC_CRIS */ + +/* crisv32 atomic implementation */ +/* #undef G_ATOMIC_CRISV32 */ + +/* i486 atomic implementation */ +/* #undef G_ATOMIC_I486 */ + +/* ia64 atomic implementation */ +/* #undef G_ATOMIC_IA64 */ + +/* powerpc atomic implementation */ +/* #undef G_ATOMIC_POWERPC */ + +/* s390 atomic implementation */ +/* #undef G_ATOMIC_S390 */ + +/* sparcv9 atomic implementation */ +/* #undef G_ATOMIC_SPARCV9 */ + +/* x86_64 atomic implementation */ +/* #undef G_ATOMIC_X86_64 */ + +/* Have inline keyword */ +/* #undef G_HAVE_INLINE */ + +/* Have __inline keyword */ +/* #undef G_HAVE___INLINE */ + +/* Have __inline__ keyword */ +/* #undef G_HAVE___INLINE__ */ + +/* Source file containing theread implementation */ +/* #undef G_THREAD_SOURCE */ + +/* A 'va_copy' style function */ +/* #undef G_VA_COPY */ + +/* 'va_lists' cannot be copies as values */ +/* #undef G_VA_COPY_AS_ARRAY */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_ALLOCA_H */ + +/* Define to 1 if you have the `atexit' function. */ +/* #undef HAVE_ATEXIT */ + +/* Whether we have cairo or not */ +#define HAVE_CAIRO 1 + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_CE4100_LIBGDL_H*/ + +/* Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the + CoreFoundation framework. */ +/*#undef HAVE_CFLOCALECOPYCURRENT*/ + +/* Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in + the CoreFoundation framework. */ +/*#undef HAVE_CFPREFERENCESCOPYAPPVALUE*/ + +/* Define to 1 if you have the `chown' function. */ +/* #undef HAVE_CHOWN */ + +/* Have GL for rendering */ +#define HAVE_COGL_GL 1 + +/* Have GLES 1.1 for rendering */ +/*#undef HAVE_COGL_GLES*/ + +/* Have GLES 2.0 for rendering */ +/*#undef HAVE_COGL_GLES2*/ + +/* Define if the GNU dcgettext() function is already present or preinstalled. + */ +#define HAVE_DCGETTEXT 1 + +/* Defined if the GL library shouldn't be dlopened */ +#define HAVE_DIRECTLY_LINKED_GL_LIBRARY 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_DIRENT_H */ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_DLFCN_H*/ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_EGL_EGLEXT_H*/ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_EGL_EGL_H*/ + +/* Define to 1 if you have the `endmntent' function. */ +/* #undef HAVE_ENDMNTENT */ + +/* Define to 1 if you have the `fchmod' function. */ +/* #undef HAVE_FCHMOD */ + +/* Define to 1 if you have the `fchown' function. */ +/* #undef HAVE_FCHOWN */ + +/* Define to 1 if you have the header file. */ +#define HAVE_FCNTL_H 1 + +/* Define to 1 if you have the `fdwalk' function. */ +/* #undef HAVE_FDWALK */ + +/* Define to 1 if you have the `ffs' function. */ +/*#undef HAVE_FFS*/ + +/* Define to 1 if you have the header file. */ +#define HAVE_FLOAT_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_FSTAB_H */ + +/* we have the futex(2) system call */ +/* #undef HAVE_FUTEX */ + +/* Define to 1 if you have the `getcwd' function. */ +#define HAVE_GETCWD 1 + +/* Define to 1 if you have the `getc_unlocked' function. */ +/* #undef HAVE_GETC_UNLOCKED */ + +/* Define to 1 if you have the `getfsstat' function. */ +/* #undef HAVE_GETFSSTAT */ + +/* Define to 1 if you have the `getgrgid' function. */ +/* #undef HAVE_GETGRGID */ + +/* Define to 1 if you have the `getmntent_r' function. */ +/* #undef HAVE_GETMNTENT_R */ + +/* Define to 1 if you have the `getpwuid' function. */ +/* #undef HAVE_GETPWUID */ + +/* Define if the GNU gettext() function is already present or preinstalled. */ +#define HAVE_GETTEXT 1 + +/* Define to 1 if you have the `getvfsstat' function. */ +/* #undef HAVE_GETVFSSTAT */ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_GLES_EGL_H*/ + +/* Define to 1 if you have the `gmtime_r' function. */ +/* #undef HAVE_GMTIME_R */ + +/* define to use system printf */ +/* #undef HAVE_GOOD_PRINTF */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_GRP_H */ + +/* Define to 1 if you have the `hasmntopt' function. */ +/* #undef HAVE_HASMNTOPT */ + +/* Define if you have the iconv() function and it works. */ +#define HAVE_ICONV 1 + +/* define to support printing 64-bit integers with format I64 */ +#define HAVE_INT64_AND_I64 1 + +/* Define to 1 if you have the header file. */ +#ifndef _MSC_VER +#define HAVE_INTTYPES_H 1 +#endif + +/* Define to 1 if you have the `lchmod' function. */ +/* #undef HAVE_LCHMOD */ + +/* Define to 1 if you have the `lchown' function. */ +/* #undef HAVE_LCHOWN */ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_LIBGDL_H*/ + +/* Define to 1 if you have the `GL' library (-lGL). */ +#define HAVE_LIBGL 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_LIMITS_H 1 + +/* Define to 1 if you have the `link' function. */ +/* #undef HAVE_LINK */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_LINUX_MAGIC_H */ + +/* Define to 1 if you have the `localtime_r' function. */ +/* #undef HAVE_LOCALTIME_R */ + +/* define if system printf can print long long */ +#define HAVE_LONG_LONG_FORMAT 1 + +/* Define to 1 if you have the `lstat' function. */ +/* #undef HAVE_LSTAT */ + +/* Define to 1 if you have the header file. */ +#define HAVE_MALLOC_H 1 + +/* Define to 1 if you have the `memmem' function. */ +/* #undef HAVE_MEMMEM */ + +/* Define to 1 if you have the `memmove' function. */ +#define HAVE_MEMMOVE 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_MEMORY_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_MNTENT_H */ + +/* Have non-POSIX function getgrgid_r */ +/* #undef HAVE_NONPOSIX_GETGRGID_R */ + +/* Have non-POSIX function getpwuid_r */ +/* #undef HAVE_NONPOSIX_GETPWUID_R */ + +/* Define to 1 if you have the `on_exit' function. */ +/* #undef HAVE_ON_EXIT */ + +/* Define to 1 if you have the `poll' function. */ +/* #undef HAVE_POLL */ + +/* Have POSIX function getgrgid_r */ +/* #undef HAVE_POSIX_GETGRGID_R */ + +/* Have POSIX function getpwuid_r */ +/* #undef HAVE_POSIX_GETPWUID_R */ + +/* Have function pthread_attr_setstacksize */ +/* #undef HAVE_PTHREAD_ATTR_SETSTACKSIZE */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_PWD_H */ + +/* Define to 1 if you have the `readlink' function. */ +/* #undef HAVE_READLINK */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SCHED_H */ + +/* Define to 1 if you have the `setenv' function. */ +/* #undef HAVE_SETENV */ + +/* Define to 1 if you have the `setmntent' function. */ +/* #undef HAVE_SETMNTENT */ + +/* Define to 1 if you have the `splice' function. */ +/* #undef HAVE_SPLICE */ + +/* Whether _Static_assert can be used or not */ +/* #undef HAVE_STATIC_ASSERT */ + +/* Define to 1 if you have the header file. */ +#if ((_MSC_VER >= 1600) || !defined(_MSC_VER)) +#define HAVE_STDINT_H 1 +#endif + +/* Define to 1 if you have the header file. */ +#define HAVE_STDLIB_H 1 + +/* Define to 1 if you have the `stpcpy' function. */ +/* #undef HAVE_STPCPY */ + +/* Define to 1 if you have the `strcasecmp' function. */ +#if defined(_MSC_VER) +#define strcasecmp _stricmp +#endif /* _MSC_VER uses _stricmp, which is identical to strcasecmp */ + +#if !defined(__DMC__) +#define HAVE_STRCASECMP 1 +#endif /* _MSC_VER or __gcc__ */ + +/* Define to 1 if you have the `strerror' function. */ +#define HAVE_STRERROR 1 + +/* Define to 1 if you have the header file. */ +#ifndef _MSC_VER +#define HAVE_STRINGS_H 1 +#endif + +/* Define to 1 if you have the header file. */ +#define HAVE_STRING_H 1 + +/* Define to 1 if you have the `strncasecmp' function. */ +#if !defined(_MSC_VER) && !defined(__DMC__) +#define HAVE_STRNCASECMP 1 +#else /* _MSC_VER or __DMC__ */ +/* #undef HAVE_STRNCASECMP */ +#endif /* _MSC_VER or __DMC__ */ + +/* Define to 1 if you have the `strsignal' function. */ +/* #undef HAVE_STRSIGNAL */ + +/* Define to 1 if `f_bavail' is a member of `struct statfs'. */ +/* #undef HAVE_STRUCT_STATFS_F_BAVAIL */ + +/* Define to 1 if `f_fstypename' is a member of `struct statfs'. */ +/* #undef HAVE_STRUCT_STATFS_F_FSTYPENAME */ + +/* Define to 1 if `f_basetype' is a member of `struct statvfs'. */ +/* #undef HAVE_STRUCT_STATVFS_F_BASETYPE */ + +/* Define to 1 if `f_fstypename' is a member of `struct statvfs'. */ +/* #undef HAVE_STRUCT_STATVFS_F_FSTYPENAME */ + +/* Define to 1 if `st_atimensec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_ATIMENSEC */ + +/* Define to 1 if `st_atim.tv_nsec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC */ + +/* Define to 1 if `st_blksize' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_BLKSIZE */ + +/* Define to 1 if `st_blocks' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_BLOCKS */ + +/* Define to 1 if `st_ctimensec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_CTIMENSEC */ + +/* Define to 1 if `st_ctim.tv_nsec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC */ + +/* Define to 1 if `st_mtimensec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_MTIMENSEC */ + +/* Define to 1 if `st_mtim.tv_nsec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC */ + +/* Define to 1 if `tm_gmtoff' is a a member of `struct tm'. */ +/* #undef HAVE_STRUCT_TM_TM_GMTOFF */ + +/* Define to 1 if `__tm_gmtoff' is a member of `struct tm'. */ +/* #undef HAVE_STRUCT_TM___TM_GMTOFF */ + +/* Define to 1 if you have the `symlink' function. */ +/* #undef HAVE_SYMLINK */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_MKDEV_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_MNTCTL_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_MNTTAB_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_MOUNT_H */ + +/* Define to 1 if you have the header file. */ +#if !defined(_MSC_VER) && !defined(__DMC__) +#define HAVE_SYS_PARAM_H 1 +#else /* _MSC_VER or __DMC__ */ +/* #undef HAVE_SYS_PARAM_H */ +#endif /* _MSC_VER or __DMC__ */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_POLL_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_RESOURCE_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_SELECT_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_STATFS_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_STATVFS_H */ + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_STAT_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_SYSCTL_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_TIMES_H */ + +/* Define to 1 if you have the header file. */ +#ifndef _MSC_VER +#define HAVE_SYS_TIME_H 1 +#else /* _MSC_VER */ +/* #undef HAVE_SYS_TIME_H */ +#endif /* _MSC_VER */ + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_TYPES_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_UIO_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_VFSTAB_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_VFS_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_VMOUNT_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_WAIT_H */ + +/* Define to 1 if you have the header file. */ +#ifndef _MSC_VER +#define HAVE_UNISTD_H 1 +#endif + +/* Define to 1 if you have the `unsetenv' function. */ +/* #undef HAVE_UNSETENV */ + +/* Define to 1 if you have the `utimes' function. */ +/* #undef HAVE_UTIMES */ + +/* Define to 1 if you have the header file. */ +#if !defined(_MSC_VER) && !defined(__DMC__) +#define HAVE_VALUES_H 1 +#else /* _MSC_VER or __DMC__ */ +/* #undef HAVE_VALUES_H */ +#endif /* _MSC_VER or __DMC__ */ + +/* Define to 1 if you have the `vasprintf' function. */ +#define HAVE_VASPRINTF 1 + +/* Define to 1 if you have the `vsnprintf' function. */ +#ifndef _MSC_VER +#define HAVE_VSNPRINTF 1 +#ifdef __DMC__ +#define vsnprintf _vsnprintf +#endif +#else /* _MSC_VER */ +#if (_MSC_VER >= 1500) +#define HAVE_VSNPRINTF 1 +#endif /* VS 2008+ has vsnprintf */ +/* #undef HAVE_VSNPRINTF */ +#endif /* _MSC_VER */ + +/* Have Win32 atomic intrinsics */ +#define HAVE_WIN32_BUILTINS_FOR_ATOMIC_OPERATIONS 1 + +/* Have a working bcopy */ +/* #undef HAVE_WORKING_BCOPY */ + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#define LT_OBJDIR ".libs" + +/* Define to 1 if your C compiler doesn't accept -c and -o together. */ +#ifdef _MSC_VER +#define NO_MINUS_C_MINUS_O 1 +#endif + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "cogl" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "cogl 1.18.2" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "cogl" + +/* Define to the home page for this package. */ +#define PACKAGE_URL "" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "1.18.2" + +/* Maximum POSIX RT priority */ +/* #undef POSIX_MAX_PRIORITY */ + +/* Minimum POSIX RT priority */ +/* #undef POSIX_MIN_PRIORITY */ + +/* The POSIX RT yield function */ +/* #undef POSIX_YIELD_FUNC */ + +/* The size of `char', as computed by sizeof. */ +#define SIZEOF_CHAR 1 + +/* The size of `int', as computed by sizeof. */ +#define SIZEOF_INT 4 + +/* The size of `long', as computed by sizeof. */ +#define SIZEOF_LONG 4 + +/* The size of `long long', as computed by sizeof. */ +#ifndef _MSC_VER +#define SIZEOF_LONG_LONG 8 +#else /* _MSC_VER */ +#define SIZEOF_LONG_LONG 0 +#endif /* _MSC_VER */ + +/* The size of `short', as computed by sizeof. */ +#define SIZEOF_SHORT 2 + +/* The size of `size_t', as computed by sizeof. */ +#define SIZEOF_SIZE_T 4 + +/* The size of `void *', as computed by sizeof. */ +#ifdef _MSC_VER +#if (defined(_M_X64) || defined(_M_AMD64)) +#define SIZEOF_VOID_P 8 +#elif (defined(_M_IX86)) +#define SIZEOF_VOID_P 4 +#endif +#else +#define SIZEOF_VOID_P 4 +#endif + +/* The size of `__int64', as computed by sizeof. */ +#define SIZEOF___INT64 8 + +/* Define to 1 if you have the ANSI C header files. */ +#define STDC_HEADERS 1 + +/* Use GdkPixbuf for loading image data */ +#define USE_GDKPIXBUF 1 + +/* Use internal image decoding for loading image data */ +/*#undef USE_INTERNAL*/ + +/* Use Core Graphics (Quartz) for loading image data */ +/*#undef USE_QUARTZ*/ + +/* Enable extensions on AIX 3, Interix. */ +#ifndef _ALL_SOURCE +# undef _ALL_SOURCE +#endif +/* Enable GNU extensions on systems that have them. */ +#ifndef _GNU_SOURCE +# undef _GNU_SOURCE +#endif +/* Enable threading extensions on Solaris. */ +#ifndef _POSIX_PTHREAD_SEMANTICS +# undef _POSIX_PTHREAD_SEMANTICS +#endif +/* Enable extensions on HP NonStop. */ +#ifndef _TANDEM_SOURCE +# undef _TANDEM_SOURCE +#endif +/* Enable general extensions on Solaris. */ +#ifndef __EXTENSIONS__ +# undef __EXTENSIONS__ +#endif + + +/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most + significant byte first (like Motorola and SPARC, unlike Intel). */ +#if defined AC_APPLE_UNIVERSAL_BUILD +# if defined __BIG_ENDIAN__ +# define WORDS_BIGENDIAN 1 +# endif +#else +# ifndef WORDS_BIGENDIAN +# undef WORDS_BIGENDIAN +# endif +#endif + +/* Define to 1 if on MINIX. */ +/* #undef _MINIX */ + +/* Define to 2 if the system does not provide POSIX.1 features except with + this defined. */ +/* #undef _POSIX_1_SOURCE */ + +/* Define to 1 if you need to in order for `stat' and other things to work. */ +/* #undef _POSIX_SOURCE */ + +/* Define to empty if `const' does not conform to ANSI C. */ +/* #undef const */ + + +#include "config-custom.h" diff --git a/config.h.win32.in b/config.h.win32.in new file mode 100644 index 0000000..9915845 --- /dev/null +++ b/config.h.win32.in @@ -0,0 +1,638 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define if building universal (internal helper macro) */ +/* #undef AC_APPLE_UNIVERSAL_BUILD */ + +/* define if asm blocks can use numeric local labels */ +/* #undef ASM_NUMERIC_LABELS */ + +/* Can use Cogl 2.0 API internally */ +#define COGL_ENABLE_EXPERIMENTAL_2_0_API 1 + +/* Can use experimental API internally */ +#define COGL_ENABLE_EXPERIMENTAL_API 1 + +/* The major version for libgbm */ +/* #undef COGL_GBM_MAJOR */ + +/* The micro version for libgbm */ +/* #undef COGL_GBM_MICRO */ + +/* The minor version for libgbm */ +/* #undef COGL_GBM_MINOR */ + +/* Cogl supports OpenGL using the WGL API */ +#define COGL_HAS_WGL_SUPPORT 1 + +/* Define to 1 if translation of program messages to the user's native + language is requested. */ +#define ENABLE_NLS 1 + +/* The prefix for our gettext translation domains. */ +#define GETTEXT_PACKAGE "@GETTEXT_PACKAGE@" + +/* Define to the GLIB binary age */ +/* #undef GLIB_BINARY_AGE */ + +/* Byte contents of gmutex */ +/* #undef GLIB_BYTE_CONTENTS_GMUTEX */ + +/* Define to the GLIB interface age */ +/* #undef GLIB_INTERFACE_AGE */ + +/* The size of gmutex, as computed by sizeof. */ +/* #undef GLIB_SIZEOF_GMUTEX */ + +/* The size of system_thread, as computed by sizeof. */ +/* #undef GLIB_SIZEOF_SYSTEM_THREAD */ + +/* alpha atomic implementation */ +/* #undef G_ATOMIC_ALPHA */ + +/* arm atomic implementation */ +/* #undef G_ATOMIC_ARM */ + +/* cris atomic implementation */ +/* #undef G_ATOMIC_CRIS */ + +/* crisv32 atomic implementation */ +/* #undef G_ATOMIC_CRISV32 */ + +/* i486 atomic implementation */ +/* #undef G_ATOMIC_I486 */ + +/* ia64 atomic implementation */ +/* #undef G_ATOMIC_IA64 */ + +/* powerpc atomic implementation */ +/* #undef G_ATOMIC_POWERPC */ + +/* s390 atomic implementation */ +/* #undef G_ATOMIC_S390 */ + +/* sparcv9 atomic implementation */ +/* #undef G_ATOMIC_SPARCV9 */ + +/* x86_64 atomic implementation */ +/* #undef G_ATOMIC_X86_64 */ + +/* Have inline keyword */ +/* #undef G_HAVE_INLINE */ + +/* Have __inline keyword */ +/* #undef G_HAVE___INLINE */ + +/* Have __inline__ keyword */ +/* #undef G_HAVE___INLINE__ */ + +/* Source file containing theread implementation */ +/* #undef G_THREAD_SOURCE */ + +/* A 'va_copy' style function */ +/* #undef G_VA_COPY */ + +/* 'va_lists' cannot be copies as values */ +/* #undef G_VA_COPY_AS_ARRAY */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_ALLOCA_H */ + +/* Define to 1 if you have the `atexit' function. */ +/* #undef HAVE_ATEXIT */ + +/* Whether we have cairo or not */ +#define HAVE_CAIRO 1 + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_CE4100_LIBGDL_H*/ + +/* Define to 1 if you have the MacOS X function CFLocaleCopyCurrent in the + CoreFoundation framework. */ +/*#undef HAVE_CFLOCALECOPYCURRENT*/ + +/* Define to 1 if you have the MacOS X function CFPreferencesCopyAppValue in + the CoreFoundation framework. */ +/*#undef HAVE_CFPREFERENCESCOPYAPPVALUE*/ + +/* Define to 1 if you have the `chown' function. */ +/* #undef HAVE_CHOWN */ + +/* Have GL for rendering */ +#define HAVE_COGL_GL 1 + +/* Have GLES 1.1 for rendering */ +/*#undef HAVE_COGL_GLES*/ + +/* Have GLES 2.0 for rendering */ +/*#undef HAVE_COGL_GLES2*/ + +/* Define if the GNU dcgettext() function is already present or preinstalled. + */ +#define HAVE_DCGETTEXT 1 + +/* Defined if the GL library shouldn't be dlopened */ +#define HAVE_DIRECTLY_LINKED_GL_LIBRARY 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_DIRENT_H */ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_DLFCN_H*/ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_EGL_EGLEXT_H*/ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_EGL_EGL_H*/ + +/* Define to 1 if you have the `endmntent' function. */ +/* #undef HAVE_ENDMNTENT */ + +/* Define to 1 if you have the `fchmod' function. */ +/* #undef HAVE_FCHMOD */ + +/* Define to 1 if you have the `fchown' function. */ +/* #undef HAVE_FCHOWN */ + +/* Define to 1 if you have the header file. */ +#define HAVE_FCNTL_H 1 + +/* Define to 1 if you have the `fdwalk' function. */ +/* #undef HAVE_FDWALK */ + +/* Define to 1 if you have the `ffs' function. */ +/*#undef HAVE_FFS*/ + +/* Define to 1 if you have the header file. */ +#define HAVE_FLOAT_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_FSTAB_H */ + +/* we have the futex(2) system call */ +/* #undef HAVE_FUTEX */ + +/* Define to 1 if you have the `getcwd' function. */ +#define HAVE_GETCWD 1 + +/* Define to 1 if you have the `getc_unlocked' function. */ +/* #undef HAVE_GETC_UNLOCKED */ + +/* Define to 1 if you have the `getfsstat' function. */ +/* #undef HAVE_GETFSSTAT */ + +/* Define to 1 if you have the `getgrgid' function. */ +/* #undef HAVE_GETGRGID */ + +/* Define to 1 if you have the `getmntent_r' function. */ +/* #undef HAVE_GETMNTENT_R */ + +/* Define to 1 if you have the `getpwuid' function. */ +/* #undef HAVE_GETPWUID */ + +/* Define if the GNU gettext() function is already present or preinstalled. */ +#define HAVE_GETTEXT 1 + +/* Define to 1 if you have the `getvfsstat' function. */ +/* #undef HAVE_GETVFSSTAT */ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_GLES_EGL_H*/ + +/* Define to 1 if you have the `gmtime_r' function. */ +/* #undef HAVE_GMTIME_R */ + +/* define to use system printf */ +/* #undef HAVE_GOOD_PRINTF */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_GRP_H */ + +/* Define to 1 if you have the `hasmntopt' function. */ +/* #undef HAVE_HASMNTOPT */ + +/* Define if you have the iconv() function and it works. */ +#define HAVE_ICONV 1 + +/* define to support printing 64-bit integers with format I64 */ +#define HAVE_INT64_AND_I64 1 + +/* Define to 1 if you have the header file. */ +#ifndef _MSC_VER +#define HAVE_INTTYPES_H 1 +#endif + +/* Define to 1 if you have the `lchmod' function. */ +/* #undef HAVE_LCHMOD */ + +/* Define to 1 if you have the `lchown' function. */ +/* #undef HAVE_LCHOWN */ + +/* Define to 1 if you have the header file. */ +/*#undef HAVE_LIBGDL_H*/ + +/* Define to 1 if you have the `GL' library (-lGL). */ +#define HAVE_LIBGL 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_LIMITS_H 1 + +/* Define to 1 if you have the `link' function. */ +/* #undef HAVE_LINK */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_LINUX_MAGIC_H */ + +/* Define to 1 if you have the `localtime_r' function. */ +/* #undef HAVE_LOCALTIME_R */ + +/* define if system printf can print long long */ +#define HAVE_LONG_LONG_FORMAT 1 + +/* Define to 1 if you have the `lstat' function. */ +/* #undef HAVE_LSTAT */ + +/* Define to 1 if you have the header file. */ +#define HAVE_MALLOC_H 1 + +/* Define to 1 if you have the `memmem' function. */ +/* #undef HAVE_MEMMEM */ + +/* Define to 1 if you have the `memmove' function. */ +#define HAVE_MEMMOVE 1 + +/* Define to 1 if you have the header file. */ +#define HAVE_MEMORY_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_MNTENT_H */ + +/* Have non-POSIX function getgrgid_r */ +/* #undef HAVE_NONPOSIX_GETGRGID_R */ + +/* Have non-POSIX function getpwuid_r */ +/* #undef HAVE_NONPOSIX_GETPWUID_R */ + +/* Define to 1 if you have the `on_exit' function. */ +/* #undef HAVE_ON_EXIT */ + +/* Define to 1 if you have the `poll' function. */ +/* #undef HAVE_POLL */ + +/* Have POSIX function getgrgid_r */ +/* #undef HAVE_POSIX_GETGRGID_R */ + +/* Have POSIX function getpwuid_r */ +/* #undef HAVE_POSIX_GETPWUID_R */ + +/* Have function pthread_attr_setstacksize */ +/* #undef HAVE_PTHREAD_ATTR_SETSTACKSIZE */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_PWD_H */ + +/* Define to 1 if you have the `readlink' function. */ +/* #undef HAVE_READLINK */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SCHED_H */ + +/* Define to 1 if you have the `setenv' function. */ +/* #undef HAVE_SETENV */ + +/* Define to 1 if you have the `setmntent' function. */ +/* #undef HAVE_SETMNTENT */ + +/* Define to 1 if you have the `splice' function. */ +/* #undef HAVE_SPLICE */ + +/* Whether _Static_assert can be used or not */ +/* #undef HAVE_STATIC_ASSERT */ + +/* Define to 1 if you have the header file. */ +#if ((_MSC_VER >= 1600) || !defined(_MSC_VER)) +#define HAVE_STDINT_H 1 +#endif + +/* Define to 1 if you have the header file. */ +#define HAVE_STDLIB_H 1 + +/* Define to 1 if you have the `stpcpy' function. */ +/* #undef HAVE_STPCPY */ + +/* Define to 1 if you have the `strcasecmp' function. */ +#if defined(_MSC_VER) +#define strcasecmp _stricmp +#endif /* _MSC_VER uses _stricmp, which is identical to strcasecmp */ + +#if !defined(__DMC__) +#define HAVE_STRCASECMP 1 +#endif /* _MSC_VER or __gcc__ */ + +/* Define to 1 if you have the `strerror' function. */ +#define HAVE_STRERROR 1 + +/* Define to 1 if you have the header file. */ +#ifndef _MSC_VER +#define HAVE_STRINGS_H 1 +#endif + +/* Define to 1 if you have the header file. */ +#define HAVE_STRING_H 1 + +/* Define to 1 if you have the `strncasecmp' function. */ +#if !defined(_MSC_VER) && !defined(__DMC__) +#define HAVE_STRNCASECMP 1 +#else /* _MSC_VER or __DMC__ */ +/* #undef HAVE_STRNCASECMP */ +#endif /* _MSC_VER or __DMC__ */ + +/* Define to 1 if you have the `strsignal' function. */ +/* #undef HAVE_STRSIGNAL */ + +/* Define to 1 if `f_bavail' is a member of `struct statfs'. */ +/* #undef HAVE_STRUCT_STATFS_F_BAVAIL */ + +/* Define to 1 if `f_fstypename' is a member of `struct statfs'. */ +/* #undef HAVE_STRUCT_STATFS_F_FSTYPENAME */ + +/* Define to 1 if `f_basetype' is a member of `struct statvfs'. */ +/* #undef HAVE_STRUCT_STATVFS_F_BASETYPE */ + +/* Define to 1 if `f_fstypename' is a member of `struct statvfs'. */ +/* #undef HAVE_STRUCT_STATVFS_F_FSTYPENAME */ + +/* Define to 1 if `st_atimensec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_ATIMENSEC */ + +/* Define to 1 if `st_atim.tv_nsec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC */ + +/* Define to 1 if `st_blksize' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_BLKSIZE */ + +/* Define to 1 if `st_blocks' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_BLOCKS */ + +/* Define to 1 if `st_ctimensec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_CTIMENSEC */ + +/* Define to 1 if `st_ctim.tv_nsec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC */ + +/* Define to 1 if `st_mtimensec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_MTIMENSEC */ + +/* Define to 1 if `st_mtim.tv_nsec' is a member of `struct stat'. */ +/* #undef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC */ + +/* Define to 1 if `tm_gmtoff' is a a member of `struct tm'. */ +/* #undef HAVE_STRUCT_TM_TM_GMTOFF */ + +/* Define to 1 if `__tm_gmtoff' is a member of `struct tm'. */ +/* #undef HAVE_STRUCT_TM___TM_GMTOFF */ + +/* Define to 1 if you have the `symlink' function. */ +/* #undef HAVE_SYMLINK */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_MKDEV_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_MNTCTL_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_MNTTAB_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_MOUNT_H */ + +/* Define to 1 if you have the header file. */ +#if !defined(_MSC_VER) && !defined(__DMC__) +#define HAVE_SYS_PARAM_H 1 +#else /* _MSC_VER or __DMC__ */ +/* #undef HAVE_SYS_PARAM_H */ +#endif /* _MSC_VER or __DMC__ */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_POLL_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_RESOURCE_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_SELECT_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_STATFS_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_STATVFS_H */ + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_STAT_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_SYSCTL_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_TIMES_H */ + +/* Define to 1 if you have the header file. */ +#ifndef _MSC_VER +#define HAVE_SYS_TIME_H 1 +#else /* _MSC_VER */ +/* #undef HAVE_SYS_TIME_H */ +#endif /* _MSC_VER */ + +/* Define to 1 if you have the header file. */ +#define HAVE_SYS_TYPES_H 1 + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_UIO_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_VFSTAB_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_VFS_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_VMOUNT_H */ + +/* Define to 1 if you have the header file. */ +/* #undef HAVE_SYS_WAIT_H */ + +/* Define to 1 if you have the header file. */ +#ifndef _MSC_VER +#define HAVE_UNISTD_H 1 +#endif + +/* Define to 1 if you have the `unsetenv' function. */ +/* #undef HAVE_UNSETENV */ + +/* Define to 1 if you have the `utimes' function. */ +/* #undef HAVE_UTIMES */ + +/* Define to 1 if you have the header file. */ +#if !defined(_MSC_VER) && !defined(__DMC__) +#define HAVE_VALUES_H 1 +#else /* _MSC_VER or __DMC__ */ +/* #undef HAVE_VALUES_H */ +#endif /* _MSC_VER or __DMC__ */ + +/* Define to 1 if you have the `vasprintf' function. */ +#define HAVE_VASPRINTF 1 + +/* Define to 1 if you have the `vsnprintf' function. */ +#ifndef _MSC_VER +#define HAVE_VSNPRINTF 1 +#ifdef __DMC__ +#define vsnprintf _vsnprintf +#endif +#else /* _MSC_VER */ +#if (_MSC_VER >= 1500) +#define HAVE_VSNPRINTF 1 +#endif /* VS 2008+ has vsnprintf */ +/* #undef HAVE_VSNPRINTF */ +#endif /* _MSC_VER */ + +/* Have Win32 atomic intrinsics */ +#define HAVE_WIN32_BUILTINS_FOR_ATOMIC_OPERATIONS 1 + +/* Have a working bcopy */ +/* #undef HAVE_WORKING_BCOPY */ + +/* Define to the sub-directory in which libtool stores uninstalled libraries. + */ +#define LT_OBJDIR ".libs" + +/* Define to 1 if your C compiler doesn't accept -c and -o together. */ +#ifdef _MSC_VER +#define NO_MINUS_C_MINUS_O 1 +#endif + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "cogl" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "cogl @COGL_1_VERSION@" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "cogl" + +/* Define to the home page for this package. */ +#define PACKAGE_URL "" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "@COGL_1_VERSION@" + +/* Maximum POSIX RT priority */ +/* #undef POSIX_MAX_PRIORITY */ + +/* Minimum POSIX RT priority */ +/* #undef POSIX_MIN_PRIORITY */ + +/* The POSIX RT yield function */ +/* #undef POSIX_YIELD_FUNC */ + +/* The size of `char', as computed by sizeof. */ +#define SIZEOF_CHAR 1 + +/* The size of `int', as computed by sizeof. */ +#define SIZEOF_INT 4 + +/* The size of `long', as computed by sizeof. */ +#define SIZEOF_LONG 4 + +/* The size of `long long', as computed by sizeof. */ +#ifndef _MSC_VER +#define SIZEOF_LONG_LONG 8 +#else /* _MSC_VER */ +#define SIZEOF_LONG_LONG 0 +#endif /* _MSC_VER */ + +/* The size of `short', as computed by sizeof. */ +#define SIZEOF_SHORT 2 + +/* The size of `size_t', as computed by sizeof. */ +#define SIZEOF_SIZE_T 4 + +/* The size of `void *', as computed by sizeof. */ +#ifdef _MSC_VER +#if (defined(_M_X64) || defined(_M_AMD64)) +#define SIZEOF_VOID_P 8 +#elif (defined(_M_IX86)) +#define SIZEOF_VOID_P 4 +#endif +#else +#define SIZEOF_VOID_P 4 +#endif + +/* The size of `__int64', as computed by sizeof. */ +#define SIZEOF___INT64 8 + +/* Define to 1 if you have the ANSI C header files. */ +#define STDC_HEADERS 1 + +/* Use GdkPixbuf for loading image data */ +#define USE_GDKPIXBUF 1 + +/* Use internal image decoding for loading image data */ +/*#undef USE_INTERNAL*/ + +/* Use Core Graphics (Quartz) for loading image data */ +/*#undef USE_QUARTZ*/ + +/* Enable extensions on AIX 3, Interix. */ +#ifndef _ALL_SOURCE +# undef _ALL_SOURCE +#endif +/* Enable GNU extensions on systems that have them. */ +#ifndef _GNU_SOURCE +# undef _GNU_SOURCE +#endif +/* Enable threading extensions on Solaris. */ +#ifndef _POSIX_PTHREAD_SEMANTICS +# undef _POSIX_PTHREAD_SEMANTICS +#endif +/* Enable extensions on HP NonStop. */ +#ifndef _TANDEM_SOURCE +# undef _TANDEM_SOURCE +#endif +/* Enable general extensions on Solaris. */ +#ifndef __EXTENSIONS__ +# undef __EXTENSIONS__ +#endif + + +/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most + significant byte first (like Motorola and SPARC, unlike Intel). */ +#if defined AC_APPLE_UNIVERSAL_BUILD +# if defined __BIG_ENDIAN__ +# define WORDS_BIGENDIAN 1 +# endif +#else +# ifndef WORDS_BIGENDIAN +# undef WORDS_BIGENDIAN +# endif +#endif + +/* Define to 1 if on MINIX. */ +/* #undef _MINIX */ + +/* Define to 2 if the system does not provide POSIX.1 features except with + this defined. */ +/* #undef _POSIX_1_SOURCE */ + +/* Define to 1 if you need to in order for `stat' and other things to work. */ +/* #undef _POSIX_SOURCE */ + +/* Define to empty if `const' does not conform to ANSI C. */ +/* #undef const */ + + +#include "config-custom.h" diff --git a/configure b/configure new file mode 100755 index 0000000..c1f749a --- /dev/null +++ b/configure @@ -0,0 +1,31884 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.69 for cogl 1.18.2. +# +# +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1 + + test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\ + || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # If we had to re-execute with $CONFIG_SHELL, we're ensured to have + # already done that, so ensure we don't try to do so again and fall + # in an infinite loop. This has already happened in practice. + _as_can_reexec=no; export _as_can_reexec + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . "./$as_me.lineno" + # Exit status is that of the last command. + exit +} + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + 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[VAR=VALUE]... + +To assign environment variables (e.g., CC, CFLAGS...), specify them as +VAR=VALUE. See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +Configuration: + -h, --help display this help and exit + --help=short display options specific to this package + --help=recursive display the short help of all the included packages + -V, --version display version information and exit + -q, --quiet, --silent do not print \`checking ...' messages + --cache-file=FILE cache test results in FILE [disabled] + -C, --config-cache alias for \`--cache-file=config.cache' + -n, --no-create do not create output files + --srcdir=DIR find the sources in DIR [configure dir or \`..'] + +Installation directories: + --prefix=PREFIX install architecture-independent files in PREFIX + [$ac_default_prefix] + --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX + [PREFIX] + +By default, \`make install' will install all the files in +\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify +an installation prefix other than \`$ac_default_prefix' using \`--prefix', +for instance \`--prefix=\$HOME'. + +For better control, use the options below. + +Fine tuning of the installation directories: + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] + --datadir=DIR read-only architecture-independent data [DATAROOTDIR] + --infodir=DIR info documentation [DATAROOTDIR/info] + --localedir=DIR locale-dependent data [DATAROOTDIR/locale] + --mandir=DIR man documentation [DATAROOTDIR/man] + --docdir=DIR documentation root [DATAROOTDIR/doc/cogl] + --htmldir=DIR html documentation [DOCDIR] + --dvidir=DIR dvi documentation [DOCDIR] + --pdfdir=DIR pdf documentation [DOCDIR] + --psdir=DIR ps documentation [DOCDIR] +_ACEOF + + cat <<\_ACEOF + +Program names: + --program-prefix=PREFIX prepend PREFIX to installed program names + --program-suffix=SUFFIX append SUFFIX to installed program names + --program-transform-name=PROGRAM run sed PROGRAM on installed program names + +X features: + --x-includes=DIR X include files are in DIR + --x-libraries=DIR X library files are in DIR + +System types: + --build=BUILD configure for building on BUILD [guessed] + --host=HOST cross-compile to build programs to run on HOST [BUILD] +_ACEOF +fi + +if test -n "$ac_init_help"; then + case $ac_init_help in + short | recursive ) echo "Configuration of cogl 1.18.2:";; + esac + cat <<\_ACEOF + +Optional Features: + --disable-option-checking ignore unrecognized --enable/--with options + --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) + --enable-FEATURE[=ARG] include FEATURE [ARG=yes] + --enable-dependency-tracking + do not reject slow dependency extractors + --disable-dependency-tracking + speeds up one-time build + --enable-silent-rules less verbose build output (undo: "make V=1") + --disable-silent-rules verbose build output (undo: "make V=0") + --enable-static[=PKGS] build static libraries [default=no] + --enable-shared[=PKGS] build shared libraries [default=yes] + --enable-fast-install[=PKGS] + optimize for fast installation [default=yes] + --disable-libtool-lock avoid locking (might break parallel builds) + --enable-installed-tests + Install test programs (default: no) + --enable-emscripten=[no/yes] + Support building for emscripten + --enable-standalone=[no/yes] + Build Cogl without any external depedency + [default=no] + --enable-debug=[no/yes] Control Cogl debugging level [default=no] + --enable-unit-tests=[no/yes] + Build Cogl unit tests [default=yes] + --enable-cairo=[no/yes] Control Cairo usage in Cogl debugging code + [default=auto] + --enable-profile=[no/yes] + Turn on uprof profiling support. yes; All UProf + profiling probe points are compiled in and may be + runtime enabled. no; No profiling support will built + into cogl. 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conftest.$ac_objext; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_compile + +# ac_fn_c_try_cpp LINENO +# ---------------------- +# Try to preprocess conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_cpp () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } > conftest.i && { + test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || + test ! -s conftest.err + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_cpp + +# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES +# ------------------------------------------------------- +# Tests whether HEADER exists, giving a warning if it cannot be compiled using +# the include files in INCLUDES and setting the cache variable VAR +# accordingly. +ac_fn_c_check_header_mongrel () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if eval \${$3+:} false; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... 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" >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <$2> +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + ac_header_preproc=yes +else + ac_header_preproc=no +fi +rm -f conftest.err conftest.i conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5 +$as_echo "$ac_header_preproc" >&6; } + +# So? What about this header? +case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #(( + yes:no: ) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5 +$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5 +$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;} + ;; + no:yes:* ) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5 +$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: check for missing prerequisite headers?" >&5 +$as_echo "$as_me: WARNING: $2: check for missing prerequisite headers?" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5 +$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&5 +$as_echo "$as_me: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&2;} + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5 +$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;} + ;; +esac + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + eval "$3=\$ac_header_compiler" +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_header_mongrel + +# ac_fn_c_try_run LINENO +# ---------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes +# that executables *can* be run. +ac_fn_c_try_run () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { ac_try='./conftest$ac_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + ac_retval=0 +else + $as_echo "$as_me: program exited with status $ac_status" >&5 + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=$ac_status +fi + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_run + +# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES +# ------------------------------------------------------- +# Tests whether HEADER exists and can be compiled using the include files in +# INCLUDES, setting the cache variable VAR accordingly. +ac_fn_c_check_header_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +#include <$2> +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_header_compile + +# ac_fn_cxx_try_compile LINENO +# ---------------------------- +# Try to compile conftest.$ac_ext, and return whether this succeeded. +ac_fn_cxx_try_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext + if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_cxx_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_cxx_try_compile + +# ac_fn_c_try_link LINENO +# ----------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_link () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest$ac_exeext + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && { + test "$cross_compiling" = yes || + test -x conftest$ac_exeext + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information + # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would + # interfere with the next link command; also delete a directory that is + # left behind by Apple's compiler. We do this before executing the actions. + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_link + +# ac_fn_c_check_func LINENO FUNC VAR +# ---------------------------------- +# Tests whether FUNC exists, setting the cache variable VAR accordingly +ac_fn_c_check_func () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Define $2 to an innocuous variant, in case declares $2. + For example, HP-UX 11i declares gettimeofday. */ +#define $2 innocuous_$2 + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $2 (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef $2 + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char $2 (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_$2 || defined __stub___$2 +choke me +#endif + +int +main () +{ +return $2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_func + +# ac_fn_cxx_try_cpp LINENO +# ------------------------ +# Try to preprocess conftest.$ac_ext, and return whether this succeeded. +ac_fn_cxx_try_cpp () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } > conftest.i && { + test -z "$ac_cxx_preproc_warn_flag$ac_cxx_werror_flag" || + test ! -s conftest.err + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_cxx_try_cpp + +# ac_fn_cxx_try_link LINENO +# ------------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. +ac_fn_cxx_try_link () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest$ac_exeext + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_cxx_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && { + test "$cross_compiling" = yes || + test -x conftest$ac_exeext + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information + # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would + # interfere with the next link command; also delete a directory that is + # left behind by Apple's compiler. We do this before executing the actions. + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_cxx_try_link + +# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES +# -------------------------------------------- +# Tries to find the compile-time value of EXPR in a program that includes +# INCLUDES, setting VAR accordingly. Returns whether the value could be +# computed +ac_fn_c_compute_int () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if test "$cross_compiling" = yes; then + # Depending upon the size, compute the lo and hi bounds. +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) >= 0)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_lo=0 ac_mid=0 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=$ac_mid; break +else + as_fn_arith $ac_mid + 1 && ac_lo=$as_val + if test $ac_lo -le $ac_mid; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) < 0)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=-1 ac_mid=-1 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) >= $ac_mid)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_lo=$ac_mid; break +else + as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val + if test $ac_mid -le $ac_hi; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + ac_lo= ac_hi= +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +# Binary search between lo and hi bounds. +while test "x$ac_lo" != "x$ac_hi"; do + as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=$ac_mid +else + as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +done +case $ac_lo in #(( +?*) eval "$3=\$ac_lo"; ac_retval=0 ;; +'') ac_retval=1 ;; +esac + else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +static long int longval () { return $2; } +static unsigned long int ulongval () { return $2; } +#include +#include +int +main () +{ + + FILE *f = fopen ("conftest.val", "w"); + if (! f) + return 1; + if (($2) < 0) + { + long int i = longval (); + if (i != ($2)) + return 1; + fprintf (f, "%ld", i); + } + else + { + unsigned long int i = ulongval (); + if (i != ($2)) + return 1; + fprintf (f, "%lu", i); + } + /* Do not output a trailing newline, as this causes \r\n confusion + on some platforms. */ + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + echo >>conftest.val; read $3 &5 +$as_echo_n "checking for $2.$3... 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" >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... 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We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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" >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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" >&6; } +if ${ac_cv_objext+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +$as_echo "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +struct stat; +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5 +$as_echo_n "checking whether $CC understands -c and -o together... " >&6; } +if ${am_cv_prog_cc_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF + # Make sure it works both with $CC and with simple cc. + # Following AC_PROG_CC_C_O, we do the test twice because some + # compilers refuse to overwrite an existing .o file with -o, + # though they will create one. + am_cv_prog_cc_c_o=yes + for am_i in 1 2; do + if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5 + ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } \ + && test -f conftest2.$ac_objext; then + : OK + else + am_cv_prog_cc_c_o=no + break + fi + done + rm -f core conftest* + unset am_i +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5 +$as_echo "$am_cv_prog_cc_c_o" >&6; } +if test "$am_cv_prog_cc_c_o" != yes; then + # Losing compiler, so override with the script. + # FIXME: It is wrong to rewrite CC. + # But if we don't then we get into trouble of one sort or another. + # A longer-term fix would be to have automake use am__CC in this case, + # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" + CC="$am_aux_dir/compile $CC" +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if ${ac_cv_path_GREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_GREP" || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_EGREP" || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + + ac_fn_c_check_header_mongrel "$LINENO" "minix/config.h" "ac_cv_header_minix_config_h" "$ac_includes_default" +if test "x$ac_cv_header_minix_config_h" = xyes; then : + MINIX=yes +else + MINIX= +fi + + + if test "$MINIX" = yes; then + +$as_echo "#define _POSIX_SOURCE 1" >>confdefs.h + + +$as_echo "#define _POSIX_1_SOURCE 2" >>confdefs.h + + +$as_echo "#define _MINIX 1" >>confdefs.h + + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether it is safe to define __EXTENSIONS__" >&5 +$as_echo_n "checking whether it is safe to define __EXTENSIONS__... 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We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +$as_echo_n "checking for a BSD-compatible install... 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It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. 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However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... 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" >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5 +$as_echo_n "checking for a thread-safe mkdir -p... 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Errors in the 'id' calls + # below are definitely unexpected, so allow the users to see them + # (that is, avoid stderr redirection). + am_uid=`id -u || echo unknown` + am_gid=`id -g || echo unknown` + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether UID '$am_uid' is supported by ustar format" >&5 +$as_echo_n "checking whether UID '$am_uid' is supported by ustar format... " >&6; } + if test $am_uid -le $am_max_uid; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + _am_tools=none + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether GID '$am_gid' is supported by ustar format" >&5 +$as_echo_n "checking whether GID '$am_gid' is supported by ustar format... 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We do so because we + # need to set the values for the 'am__tar' and 'am__untar' variables. + _am_tools=${am_cv_prog_tar_ustar-$_am_tools} + + for _am_tool in $_am_tools; do + case $_am_tool in + gnutar) + for _am_tar in tar gnutar gtar; do + { echo "$as_me:$LINENO: $_am_tar --version" >&5 + ($_am_tar --version) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && break + done + am__tar="$_am_tar --format=ustar -chf - "'"$$tardir"' + am__tar_="$_am_tar --format=ustar -chf - "'"$tardir"' + am__untar="$_am_tar -xf -" + ;; + plaintar) + # Must skip GNU tar: if it does not support --format= it doesn't create + # ustar tarball either. + (tar --version) >/dev/null 2>&1 && continue + am__tar='tar chf - "$$tardir"' + am__tar_='tar chf - "$tardir"' + am__untar='tar xf -' + ;; + pax) + am__tar='pax -L -x ustar -w "$$tardir"' + am__tar_='pax -L -x ustar -w "$tardir"' + am__untar='pax -r' + ;; + cpio) + am__tar='find "$$tardir" -print | cpio -o -H ustar -L' + am__tar_='find "$tardir" -print | cpio -o -H ustar -L' + am__untar='cpio -i -H ustar -d' + ;; + none) + am__tar=false + am__tar_=false + am__untar=false + ;; + esac + + # If the value was cached, stop now. 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For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with + # Solaris 10 /bin/sh. + echo '/* dummy */' > sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with '-c' and '-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + + +# POSIX will say in a future version that running "rm -f" with no argument +# is OK; and we want to be able to make that assumption in our Makefile +# recipes. So use an aggressive probe to check that the usage we want is +# actually supported "in the wild" to an acceptable degree. +# See automake bug#10828. +# To make any issue more visible, cause the running configure to be aborted +# by default if the 'rm' program in use doesn't match our expectations; the +# user can still override this though. +if rm -f && rm -fr && rm -rf; then : OK; else + cat >&2 <<'END' +Oops! + +Your 'rm' program seems unable to run without file operands specified +on the command line, even when the '-f' option is present. This is contrary +to the behaviour of most rm programs out there, and not conforming with +the upcoming POSIX standard: + +Please tell bug-automake@gnu.org about your system, including the value +of your $PATH and any error possibly output before this message. This +can help us improve future automake versions. + +END + if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then + echo 'Configuration will proceed anyway, since you have set the' >&2 + echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 + echo >&2 + else + cat >&2 <<'END' +Aborting the configuration process, to ensure you take notice of the issue. + +You can download and install GNU coreutils to get an 'rm' implementation +that behaves properly: . + +If you want to complete the configuration process using your problematic +'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM +to "yes", and re-run configure. + +END + as_fn_error $? "Your 'rm' program is bad, sorry." 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" >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +struct stat; +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5 +$as_echo_n "checking whether $CC understands -c and -o together... " >&6; } +if ${am_cv_prog_cc_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF + # Make sure it works both with $CC and with simple cc. + # Following AC_PROG_CC_C_O, we do the test twice because some + # compilers refuse to overwrite an existing .o file with -o, + # though they will create one. + am_cv_prog_cc_c_o=yes + for am_i in 1 2; do + if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5 + ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } \ + && test -f conftest2.$ac_objext; then + : OK + else + am_cv_prog_cc_c_o=no + break + fi + done + rm -f core conftest* + unset am_i +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5 +$as_echo "$am_cv_prog_cc_c_o" >&6; } +if test "$am_cv_prog_cc_c_o" != yes; then + # Losing compiler, so override with the script. + # FIXME: It is wrong to rewrite CC. + # But if we don't then we get into trouble of one sort or another. + # A longer-term fix would be to have automake use am__CC in this case, + # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" + CC="$am_aux_dir/compile $CC" +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +if test -z "$CXX"; then + if test -n "$CCC"; then + CXX=$CCC + else + if test -n "$ac_tool_prefix"; then + for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CXX"; then + ac_cv_prog_CXX="$CXX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CXX="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CXX=$ac_cv_prog_CXX +if test -n "$CXX"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXX" >&5 +$as_echo "$CXX" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CXX" && break + done +fi +if test -z "$CXX"; then + ac_ct_CXX=$CXX + for ac_prog in g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC xlC_r xlC +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... 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" >&6; } +if ${ac_cv_path_SED+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for ac_i in 1 2 3 4 5 6 7; do + ac_script="$ac_script$as_nl$ac_script" + done + echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed + { ac_script=; unset ac_script;} + if test -z "$SED"; then + ac_path_SED_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_SED="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_SED" || continue +# Check for GNU ac_path_SED and select it if it is found. + # Check for GNU $ac_path_SED +case `"$ac_path_SED" --version 2>&1` in +*GNU*) + ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo '' >> "conftest.nl" + "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_SED_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_SED="$ac_path_SED" + ac_path_SED_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_SED_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_SED"; then + as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5 + fi +else + ac_cv_path_SED=$SED +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5 +$as_echo "$ac_cv_path_SED" >&6; } + SED="$ac_cv_path_SED" + rm -f conftest.sed + +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5 +$as_echo_n "checking for fgrep... " >&6; } +if ${ac_cv_path_FGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1 + then ac_cv_path_FGREP="$GREP -F" + else + if test -z "$FGREP"; then + ac_path_FGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in fgrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_FGREP" || continue +# Check for GNU ac_path_FGREP and select it if it is found. + # Check for GNU $ac_path_FGREP +case `"$ac_path_FGREP" --version 2>&1` in +*GNU*) + ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'FGREP' >> "conftest.nl" + "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_FGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_FGREP="$ac_path_FGREP" + ac_path_FGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_FGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_FGREP"; then + as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_FGREP=$FGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5 +$as_echo "$ac_cv_path_FGREP" >&6; } + FGREP="$ac_cv_path_FGREP" + + +test -z "$GREP" && GREP=grep + + + + + + + + + + + + + + + + + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5 +$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; } +if ${lt_cv_path_NM+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM="$NM" +else + lt_nm_to_check="${ac_tool_prefix}nm" + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + tmp_nm="$ac_dir/$lt_tmp_nm" + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the `sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in + */dev/null* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS="$lt_save_ifs" + done + : ${lt_cv_path_NM=no} +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 +$as_echo "$lt_cv_path_NM" >&6; } +if test "$lt_cv_path_NM" != "no"; then + NM="$lt_cv_path_NM" +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + if test -n "$ac_tool_prefix"; then + for ac_prog in dumpbin "link -dump" + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DUMPBIN"; then + ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DUMPBIN=$ac_cv_prog_DUMPBIN +if test -n "$DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 +$as_echo "$DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$DUMPBIN" && break + done +fi +if test -z "$DUMPBIN"; then + ac_ct_DUMPBIN=$DUMPBIN + for ac_prog in dumpbin "link -dump" +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DUMPBIN"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN +if test -n "$ac_ct_DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 +$as_echo "$ac_ct_DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_DUMPBIN" && break +done + + if test "x$ac_ct_DUMPBIN" = x; then + DUMPBIN=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DUMPBIN=$ac_ct_DUMPBIN + fi +fi + + case `$DUMPBIN -symbols /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols" + ;; + *) + DUMPBIN=: + ;; + esac + fi + + if test "$DUMPBIN" != ":"; then + NM="$DUMPBIN" + fi +fi +test -z "$NM" && NM=nm + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 +$as_echo_n "checking the name lister ($NM) interface... " >&6; } +if ${lt_cv_nm_interface+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: output\"" >&5) + cat conftest.out >&5 + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 +$as_echo "$lt_cv_nm_interface" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } +fi + +# find the maximum length of command line arguments +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 +$as_echo_n "checking the maximum length of command line arguments... " >&6; } +if ${lt_cv_sys_max_cmd_len+:} false; then : + $as_echo_n "(cached) " >&6 +else + i=0 + teststring="ABCD" + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + netbsd* | freebsd* | openbsd* | darwin* | dragonfly*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8 ; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test "X"`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test $i != 17 # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac + +fi + +if test -n $lt_cv_sys_max_cmd_len ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 +$as_echo "$lt_cv_sys_max_cmd_len" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } +fi +max_cmd_len=$lt_cv_sys_max_cmd_len + + + + + + +: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5 +$as_echo_n "checking whether the shell understands some XSI constructs... " >&6; } +# Try some XSI features +xsi_shell=no +( _lt_dummy="a/b/c" + test "${_lt_dummy##*/},${_lt_dummy%/*},${_lt_dummy#??}"${_lt_dummy%"$_lt_dummy"}, \ + = c,a/b,b/c, \ + && eval 'test $(( 1 + 1 )) -eq 2 \ + && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \ + && xsi_shell=yes +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5 +$as_echo "$xsi_shell" >&6; } + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5 +$as_echo_n "checking whether the shell understands \"+=\"... " >&6; } +lt_shell_append=no +( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \ + >/dev/null 2>&1 \ + && lt_shell_append=yes +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5 +$as_echo "$lt_shell_append" >&6; } + + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi + + + + + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 +$as_echo_n "checking how to convert $build file names to $host format... " >&6; } +if ${lt_cv_to_host_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac + +fi + +to_host_file_cmd=$lt_cv_to_host_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 +$as_echo "$lt_cv_to_host_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 +$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } +if ${lt_cv_to_tool_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + #assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac + +fi + +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 +$as_echo "$lt_cv_to_tool_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 +$as_echo_n "checking for $LD option to reload object files... " >&6; } +if ${lt_cv_ld_reload_flag+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_reload_flag='-r' +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 +$as_echo "$lt_cv_ld_reload_flag" >&6; } +reload_flag=$lt_cv_ld_reload_flag +case $reload_flag in +"" | " "*) ;; +*) reload_flag=" $reload_flag" ;; +esac +reload_cmds='$LD$reload_flag -o $output$reload_objs' +case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + if test "$GCC" != yes; then + reload_cmds=false + fi + ;; + darwin*) + if test "$GCC" = yes; then + reload_cmds='$LTCC $LTCFLAGS -nostdlib ${wl}-r -o $output$reload_objs' + else + reload_cmds='$LD$reload_flag -o $output$reload_objs' + fi + ;; +esac + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. +set dummy ${ac_tool_prefix}objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OBJDUMP"; then + ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OBJDUMP=$ac_cv_prog_OBJDUMP +if test -n "$OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 +$as_echo "$OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OBJDUMP"; then + ac_ct_OBJDUMP=$OBJDUMP + # Extract the first word of "objdump", so it can be a program name with args. +set dummy objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OBJDUMP"; then + ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OBJDUMP="objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP +if test -n "$ac_ct_OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 +$as_echo "$ac_ct_OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OBJDUMP" = x; then + OBJDUMP="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OBJDUMP=$ac_ct_OBJDUMP + fi +else + OBJDUMP="$ac_cv_prog_OBJDUMP" +fi + +test -z "$OBJDUMP" && OBJDUMP=objdump + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 +$as_echo_n "checking how to recognize dependent libraries... " >&6; } +if ${lt_cv_deplibs_check_method+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# `unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# which responds to the $file_magic_cmd with a given extended regex. +# If you have `file' or equivalent on your system and you're not sure +# whether `pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[4-9]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[45]*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + # func_win32_libid assumes BSD nm, so disallow it if using MS dumpbin. + if ( test "$lt_cv_nm_interface" = "BSD nm" && file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[3-9]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 +$as_echo "$lt_cv_deplibs_check_method" >&6; } + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + + + + + + + + + + + + + + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. +set dummy ${ac_tool_prefix}dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DLLTOOL"; then + ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DLLTOOL=$ac_cv_prog_DLLTOOL +if test -n "$DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 +$as_echo "$DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DLLTOOL"; then + ac_ct_DLLTOOL=$DLLTOOL + # Extract the first word of "dlltool", so it can be a program name with args. +set dummy dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DLLTOOL"; then + ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DLLTOOL="dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL +if test -n "$ac_ct_DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 +$as_echo "$ac_ct_DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DLLTOOL" = x; then + DLLTOOL="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DLLTOOL=$ac_ct_DLLTOOL + fi +else + DLLTOOL="$ac_cv_prog_DLLTOOL" +fi + +test -z "$DLLTOOL" && DLLTOOL=dlltool + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 +$as_echo_n "checking how to associate runtime and link libraries... " >&6; } +if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh + # decide which to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd="$ECHO" + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 +$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + + + + + + + +if test -n "$ac_tool_prefix"; then + for ac_prog in ar + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AR="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AR" && break + done +fi +if test -z "$AR"; then + ac_ct_AR=$AR + for ac_prog in ar +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_AR="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_AR" && break +done + + if test "x$ac_ct_AR" = x; then + AR="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +fi + +: ${AR=ar} +: ${AR_FLAGS=cru} + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 +$as_echo_n "checking for archiver @FILE support... " >&6; } +if ${lt_cv_ar_at_file+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ar_at_file=no + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test "$ac_status" -eq 0; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test "$ac_status" -ne 0; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 +$as_echo "$lt_cv_ar_at_file" >&6; } + +if test "x$lt_cv_ar_at_file" = xno; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +test -z "$STRIP" && STRIP=: + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +test -z "$RANLIB" && RANLIB=: + + + + + + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + +# Check for command to grab the raw symbol name followed by C symbol from nm. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 +$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } +if ${lt_cv_sys_global_symbol_pipe+:} false; then : + $as_echo_n "(cached) " >&6 +else + +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[BCDEGRST]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([_A-Za-z][_A-Za-z0-9]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[BCDT]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[ABCDGISTW]' + ;; +hpux*) + if test "$host_cpu" = ia64; then + symcode='[ABCDEGRST]' + fi + ;; +irix* | nonstopux*) + symcode='[BCDEGRST]' + ;; +osf*) + symcode='[BCDEGQRST]' + ;; +solaris*) + symcode='[BDRT]' + ;; +sco3.2v5*) + symcode='[DT]' + ;; +sysv4.2uw2*) + symcode='[DT]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[ABDT]' + ;; +sysv4) + symcode='[DFNSTU]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[ABCDGIRSTW]' ;; +esac + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"\2\", (void *) \&\2},/p'" +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n -e 's/^: \([^ ]*\)[ ]*$/ {\\\"\1\\\", (void *) 0},/p' -e 's/^$symcode* \([^ ]*\) \(lib[^ ]*\)$/ {\"\2\", (void *) \&\2},/p' -e 's/^$symcode* \([^ ]*\) \([^ ]*\)$/ {\"lib\2\", (void *) \&\2},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function + # and D for any global variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK '"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=0}; \$ 0~/\(\).*\|/{f=1}; {printf f ? \"T \" : \"D \"};"\ +" {split(\$ 0, a, /\||\r/); split(a[2], s)};"\ +" s[1]~/^[@?]/{print s[1], s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print t[1], substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Now try to grab the symbols. + nlist=conftest.nm + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 + (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) +/* DATA imports from DLLs on WIN32 con't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined(__osf__) +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS="conftstm.$ac_objext" + CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext}; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&5 + fi + else + echo "cannot find nm_test_var in $nlist" >&5 + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 + fi + else + echo "$progname: failed program was:" >&5 + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test "$pipe_works" = yes; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done + +fi + +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 +$as_echo "ok" >&6; } +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 +$as_echo_n "checking for sysroot... " >&6; } + +# Check whether --with-sysroot was given. +if test "${with_sysroot+set}" = set; then : + withval=$with_sysroot; +else + with_sysroot=no +fi + + +lt_sysroot= +case ${with_sysroot} in #( + yes) + if test "$GCC" = yes; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${with_sysroot}" >&5 +$as_echo "${with_sysroot}" >&6; } + as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 + ;; +esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 +$as_echo "${lt_sysroot:-no}" >&6; } + + + + + +# Check whether --enable-libtool-lock was given. +if test "${enable_libtool_lock+set}" = set; then : + enableval=$enable_libtool_lock; +fi + +test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE="32" + ;; + *ELF-64*) + HPUX_IA64_MODE="64" + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out which ABI we are using. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + if test "$lt_cv_prog_gnu_ld" = yes; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_i386" + ;; + ppc64-*linux*|powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + ppc*-*linux*|powerpc*-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -belf" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 +$as_echo_n "checking whether the C compiler needs -belf... " >&6; } +if ${lt_cv_cc_needs_belf+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_cc_needs_belf=yes +else + lt_cv_cc_needs_belf=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 +$as_echo "$lt_cv_cc_needs_belf" >&6; } + if test x"$lt_cv_cc_needs_belf" != x"yes"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS="$SAVE_CFLAGS" + fi + ;; +*-*solaris*) + # Find out which ABI we are using. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD="${LD-ld}_sol2" + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks="$enable_libtool_lock" + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. +set dummy ${ac_tool_prefix}mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MANIFEST_TOOL"; then + ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL +if test -n "$MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 +$as_echo "$MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_MANIFEST_TOOL"; then + ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL + # Extract the first word of "mt", so it can be a program name with args. +set dummy mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_MANIFEST_TOOL"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL +if test -n "$ac_ct_MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 +$as_echo "$ac_ct_MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_MANIFEST_TOOL" = x; then + MANIFEST_TOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL + fi +else + MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" +fi + +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 +$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } +if ${lt_cv_path_mainfest_tool+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&5 + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 +$as_echo "$lt_cv_path_mainfest_tool" >&6; } +if test "x$lt_cv_path_mainfest_tool" != xyes; then + MANIFEST_TOOL=: +fi + + + + + + + case $host_os in + rhapsody* | darwin*) + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. +set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DSYMUTIL"; then + ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DSYMUTIL=$ac_cv_prog_DSYMUTIL +if test -n "$DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 +$as_echo "$DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DSYMUTIL"; then + ac_ct_DSYMUTIL=$DSYMUTIL + # Extract the first word of "dsymutil", so it can be a program name with args. +set dummy dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DSYMUTIL"; then + ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL +if test -n "$ac_ct_DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 +$as_echo "$ac_ct_DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DSYMUTIL" = x; then + DSYMUTIL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DSYMUTIL=$ac_ct_DSYMUTIL + fi +else + DSYMUTIL="$ac_cv_prog_DSYMUTIL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. +set dummy ${ac_tool_prefix}nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NMEDIT"; then + ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +NMEDIT=$ac_cv_prog_NMEDIT +if test -n "$NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 +$as_echo "$NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_NMEDIT"; then + ac_ct_NMEDIT=$NMEDIT + # Extract the first word of "nmedit", so it can be a program name with args. +set dummy nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_NMEDIT"; then + ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_NMEDIT="nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT +if test -n "$ac_ct_NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 +$as_echo "$ac_ct_NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_NMEDIT" = x; then + NMEDIT=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + NMEDIT=$ac_ct_NMEDIT + fi +else + NMEDIT="$ac_cv_prog_NMEDIT" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. +set dummy ${ac_tool_prefix}lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$LIPO"; then + ac_cv_prog_LIPO="$LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LIPO="${ac_tool_prefix}lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LIPO=$ac_cv_prog_LIPO +if test -n "$LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 +$as_echo "$LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_LIPO"; then + ac_ct_LIPO=$LIPO + # Extract the first word of "lipo", so it can be a program name with args. +set dummy lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_LIPO"; then + ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_LIPO="lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO +if test -n "$ac_ct_LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 +$as_echo "$ac_ct_LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_LIPO" = x; then + LIPO=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + LIPO=$ac_ct_LIPO + fi +else + LIPO="$ac_cv_prog_LIPO" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL"; then + ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL="${ac_tool_prefix}otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL=$ac_cv_prog_OTOOL +if test -n "$OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 +$as_echo "$OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL"; then + ac_ct_OTOOL=$OTOOL + # Extract the first word of "otool", so it can be a program name with args. +set dummy otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL"; then + ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL="otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL +if test -n "$ac_ct_OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 +$as_echo "$ac_ct_OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL" = x; then + OTOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL=$ac_ct_OTOOL + fi +else + OTOOL="$ac_cv_prog_OTOOL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL64"; then + ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL64=$ac_cv_prog_OTOOL64 +if test -n "$OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 +$as_echo "$OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL64"; then + ac_ct_OTOOL64=$OTOOL64 + # Extract the first word of "otool64", so it can be a program name with args. +set dummy otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL64"; then + ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL64="otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 +if test -n "$ac_ct_OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 +$as_echo "$ac_ct_OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL64" = x; then + OTOOL64=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL64=$ac_ct_OTOOL64 + fi +else + OTOOL64="$ac_cv_prog_OTOOL64" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 +$as_echo_n "checking for -single_module linker flag... " >&6; } +if ${lt_cv_apple_cc_single_mod+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_apple_cc_single_mod=no + if test -z "${LT_MULTI_MODULE}"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&5 + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test $_lt_result -eq 0; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&5 + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 +$as_echo "$lt_cv_apple_cc_single_mod" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 +$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; } +if ${lt_cv_ld_exported_symbols_list+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_ld_exported_symbols_list=yes +else + lt_cv_ld_exported_symbols_list=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$save_LDFLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 +$as_echo "$lt_cv_ld_exported_symbols_list" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 +$as_echo_n "checking for -force_load linker flag... " >&6; } +if ${lt_cv_ld_force_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 + echo "$AR cru libconftest.a conftest.o" >&5 + $AR cru libconftest.a conftest.o 2>&5 + echo "$RANLIB libconftest.a" >&5 + $RANLIB libconftest.a 2>&5 + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&5 + elif test -f conftest && test $_lt_result -eq 0 && $GREP forced_load conftest >/dev/null 2>&1 ; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&5 + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 +$as_echo "$lt_cv_ld_force_load" >&6; } + case $host_os in + rhapsody* | darwin1.[012]) + _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[91]*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + 10.[012]*) + _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test "$lt_cv_apple_cc_single_mod" = "yes"; then + _lt_dar_single_mod='$single_module' + fi + if test "$lt_cv_ld_exported_symbols_list" = "yes"; then + _lt_dar_export_syms=' ${wl}-exported_symbols_list,$output_objdir/${libname}-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/${libname}-symbols.expsym ${lib}' + fi + if test "$DSYMUTIL" != ":" && test "$lt_cv_ld_force_load" = "no"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac + +for ac_header in dlfcn.h +do : + ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default +" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DLFCN_H 1 +_ACEOF + +fi + +done + + + + +func_stripname_cnf () +{ + case ${2} in + .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; + *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; + esac +} # func_stripname_cnf + + + + + +# Set options +# Check whether --enable-static was given. +if test "${enable_static+set}" = set; then : + enableval=$enable_static; p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + enable_static=no +fi + + + + + + + + + + + enable_dlopen=no + + + enable_win32_dll=no + + + # Check whether --enable-shared was given. +if test "${enable_shared+set}" = set; then : + enableval=$enable_shared; p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + enable_shared=yes +fi + + + + + + + + + + + +# Check whether --with-pic was given. +if test "${with_pic+set}" = set; then : + withval=$with_pic; lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for lt_pkg in $withval; do + IFS="$lt_save_ifs" + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + pic_mode=default +fi + + +test -z "$pic_mode" && pic_mode=default + + + + + + + + # Check whether --enable-fast-install was given. +if test "${enable_fast_install+set}" = set; then : + enableval=$enable_fast_install; p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR," + for pkg in $enableval; do + IFS="$lt_save_ifs" + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS="$lt_save_ifs" + ;; + esac +else + enable_fast_install=yes +fi + + + + + + + + + + + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS="$ltmain" + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +test -z "$LN_S" && LN_S="ln -s" + + + + + + + + + + + + + + +if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 +$as_echo_n "checking for objdir... " >&6; } +if ${lt_cv_objdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 +$as_echo "$lt_cv_objdir" >&6; } +objdir=$lt_cv_objdir + + + + + +cat >>confdefs.h <<_ACEOF +#define LT_OBJDIR "$lt_cv_objdir/" +_ACEOF + + + + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a `.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld="$lt_cv_prog_gnu_ld" + +old_CC="$CC" +old_CFLAGS="$CFLAGS" + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +for cc_temp in $compiler""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` + + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 +$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/${ac_tool_prefix}file; then + lt_cv_path_MAGIC_CMD="$ac_dir/${ac_tool_prefix}file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac +fi + +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + + +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5 +$as_echo_n "checking for file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD="$MAGIC_CMD" + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f $ac_dir/file; then + lt_cv_path_MAGIC_CMD="$ac_dir/file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD="$lt_cv_path_MAGIC_CMD" + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS="$lt_save_ifs" + MAGIC_CMD="$lt_save_MAGIC_CMD" + ;; +esac +fi + +MAGIC_CMD="$lt_cv_path_MAGIC_CMD" +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + else + MAGIC_CMD=: + fi +fi + + fi + ;; +esac + +# Use C for the default configuration in the libtool script + +lt_save_CC="$CC" +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +objext=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + +lt_prog_compiler_no_builtin_flag= + +if test "$GCC" = yes; then + case $cc_basename in + nvcc*) + lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; + *) + lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 +$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } +if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_rtti_exceptions=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="-fno-rtti -fno-exceptions" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_rtti_exceptions=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 +$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; } + +if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then + lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" +else + : +fi + +fi + + + + + + + lt_prog_compiler_wl= +lt_prog_compiler_pic= +lt_prog_compiler_static= + + + if test "$GCC" = yes; then + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_static='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic='-DDLL_EXPORT' + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + ;; + + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + lt_prog_compiler_can_build_shared=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic=-Kconform_pic + fi + ;; + + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + lt_prog_compiler_wl='-Xlinker ' + if test -n "$lt_prog_compiler_pic"; then + lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + lt_prog_compiler_wl='-Wl,' + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + else + lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic='-DDLL_EXPORT' + ;; + + hpux9* | hpux10* | hpux11*) + lt_prog_compiler_wl='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + lt_prog_compiler_static='${wl}-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + lt_prog_compiler_wl='-Wl,' + # PIC (with -KPIC) is the default. + lt_prog_compiler_static='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + # old Intel for x86_64 which still supported -KPIC. + ecc*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='--shared' + lt_prog_compiler_static='--static' + ;; + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + ccc*) + lt_prog_compiler_wl='-Wl,' + # All Alpha code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-qpic' + lt_prog_compiler_static='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='' + ;; + *Sun\ F* | *Sun*Fortran*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Wl,' + ;; + *Intel*\ [CF]*Compiler*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + *Portland\ Group*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + lt_prog_compiler_wl='-Wl,' + # All OSF/1 code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + + rdos*) + lt_prog_compiler_static='-non_shared' + ;; + + solaris*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + lt_prog_compiler_wl='-Qoption ld ';; + *) + lt_prog_compiler_wl='-Wl,';; + esac + ;; + + sunos4*) + lt_prog_compiler_wl='-Qoption ld ' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec ;then + lt_prog_compiler_pic='-Kconform_pic' + lt_prog_compiler_static='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + unicos*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_can_build_shared=no + ;; + + uts4*) + lt_prog_compiler_pic='-pic' + lt_prog_compiler_static='-Bstatic' + ;; + + *) + lt_prog_compiler_can_build_shared=no + ;; + esac + fi + +case $host_os in + # For platforms which do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic= + ;; + *) + lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } +if ${lt_cv_prog_compiler_pic+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic=$lt_prog_compiler_pic +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 +$as_echo "$lt_cv_prog_compiler_pic" >&6; } +lt_prog_compiler_pic=$lt_cv_prog_compiler_pic + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$lt_prog_compiler_pic"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } +if ${lt_cv_prog_compiler_pic_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_works=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$lt_prog_compiler_pic -DPIC" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_pic_works=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works" >&6; } + +if test x"$lt_cv_prog_compiler_pic_works" = xyes; then + case $lt_prog_compiler_pic in + "" | " "*) ;; + *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; + esac +else + lt_prog_compiler_pic= + lt_prog_compiler_can_build_shared=no +fi + +fi + + + + + + + + + + + +# +# Check to make sure the static flag actually works. +# +wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_static_works=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $lt_tmp_static_flag" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_static_works=yes + fi + else + lt_cv_prog_compiler_static_works=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 +$as_echo "$lt_cv_prog_compiler_static_works" >&6; } + +if test x"$lt_cv_prog_compiler_static_works" = xyes; then + : +else + lt_prog_compiler_static= +fi + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + +hard_links="nottested" +if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then + # do not overwrite the value of need_locks provided by the user + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } + if test "$hard_links" = no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;} + need_locks=warn + fi +else + need_locks=no +fi + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + + runpath_var= + allow_undefined_flag= + always_export_symbols=no + archive_cmds= + archive_expsym_cmds= + compiler_needs_object=no + enable_shared_with_static_runtimes=no + export_dynamic_flag_spec= + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + hardcode_automatic=no + hardcode_direct=no + hardcode_direct_absolute=no + hardcode_libdir_flag_spec= + hardcode_libdir_separator= + hardcode_minus_L=no + hardcode_shlibpath_var=unsupported + inherit_rpath=no + link_all_deplibs=unknown + module_cmds= + module_expsym_cmds= + old_archive_from_new_cmds= + old_archive_from_expsyms_cmds= + thread_safe_flag_spec= + whole_archive_flag_spec= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + include_expsyms= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ` (' and `)$', so one must not match beginning or + # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', + # as well as any symbol that contains `d'. + exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; + esac + + ld_shlibs=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test "$with_gnu_ld" = yes; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;; + *\ \(GNU\ Binutils\)\ [3-9]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test "$lt_use_gnu_ld_interface" = yes; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='${wl}' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + export_dynamic_flag_spec='${wl}--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + whole_archive_flag_spec= + fi + supports_anon_versioning=no + case `$LD -v 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[3-9]*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + ld_shlibs=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + export_dynamic_flag_spec='${wl}--export-all-symbols' + allow_undefined_flag=unsupported + always_export_symbols=no + enable_shared_with_static_runtimes=yes + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' + exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs=no + fi + ;; + + haiku*) + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + link_all_deplibs=yes + ;; + + interix[3-9]*) + hardcode_direct=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + export_dynamic_flag_spec='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test "$host_os" = linux-dietlibc; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test "$tmp_diet" = no + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + whole_archive_flag_spec= + tmp_sharedflag='--shared' ;; + xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + whole_archive_flag_spec='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + compiler_needs_object=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + whole_archive_flag_spec='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + compiler_needs_object=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + + if test "x$supports_anon_versioning" = xyes; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + ld_shlibs=no + fi + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 can not +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + ;; + + sunos4*) + archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + + if test "$ld_shlibs" = no; then + runpath_var= + hardcode_libdir_flag_spec= + export_dynamic_flag_spec= + whole_archive_flag_spec= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + allow_undefined_flag=unsupported + always_export_symbols=yes + archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test "$GCC" = yes && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + + aix[4-9]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to AIX nm, but means don't demangle with GNU nm + # Also, AIX nm treats weak defined symbols like other global + # defined symbols, whereas GNU nm marks them as "W". + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + else + export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds='' + hardcode_direct=yes + hardcode_direct_absolute=yes + hardcode_libdir_separator=':' + link_all_deplibs=yes + file_list_spec='${wl}-f,' + + if test "$GCC" = yes; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + export_dynamic_flag_spec='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + always_export_symbols=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + allow_undefined_flag='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' + allow_undefined_flag="-z nodefs" + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag=' ${wl}-bernotok' + allow_undefined_flag=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec='$convenience' + fi + archive_cmds_need_lc=yes + # This is similar to how AIX traditionally builds its shared libraries. + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + bsdi[45]*) + export_dynamic_flag_spec=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + always_export_symbols=yes + file_list_spec='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + archive_expsym_cmds='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + sed -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + sed -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, )='true' + enable_shared_with_static_runtimes=yes + exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + old_postinstall_cmds='chmod 644 $oldlib' + postlink_cmds='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + old_archive_from_new_cmds='true' + # FIXME: Should let the user specify the lib program. + old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' + enable_shared_with_static_runtimes=yes + ;; + esac + ;; + + darwin* | rhapsody*) + + + archive_cmds_need_lc=no + hardcode_direct=no + hardcode_automatic=yes + hardcode_shlibpath_var=unsupported + if test "$lt_cv_ld_force_load" = "yes"; then + whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + + else + whole_archive_flag_spec='' + fi + link_all_deplibs=yes + allow_undefined_flag="$_lt_dar_allow_undefined" + case $cc_basename in + ifort*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test "$_lt_dar_can_shared" = "yes"; then + output_verbose_link_cmd=func_echo_all + archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" + module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" + archive_expsym_cmds="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" + module_expsym_cmds="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" + + else + ld_shlibs=no + fi + + ;; + + dgux*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + hpux9*) + if test "$GCC" = yes; then + archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + fi + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + export_dynamic_flag_spec='${wl}-E' + ;; + + hpux10*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='${wl}-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + + hpux11*) + if test "$GCC" = yes && test "$with_gnu_ld" = no; then + case $host_cpu in + hppa*64*) + archive_cmds='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds='$CC -shared $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + archive_cmds='$CC -b ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 +$as_echo_n "checking if $CC understands -b... " >&6; } +if ${lt_cv_prog_compiler__b+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler__b=no + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -b" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler__b=yes + fi + else + lt_cv_prog_compiler__b=yes + fi + fi + $RM -r conftest* + LDFLAGS="$save_LDFLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 +$as_echo "$lt_cv_prog_compiler__b" >&6; } + +if test x"$lt_cv_prog_compiler__b" = xyes; then + archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' +else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' +fi + + ;; + esac + fi + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + hardcode_shlibpath_var=no + ;; + *) + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='${wl}-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test "$GCC" = yes; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 +$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } +if ${lt_cv_irix_exported_symbol+:} false; then : + $as_echo_n "(cached) " >&6 +else + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo (void) { return 0; } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_irix_exported_symbol=yes +else + lt_cv_irix_exported_symbol=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$save_LDFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 +$as_echo "$lt_cv_irix_exported_symbol" >&6; } + if test "$lt_cv_irix_exported_symbol" = yes; then + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib' + fi + else + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -exports_file $export_symbols -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + inherit_rpath=yes + link_all_deplibs=yes + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + newsos6) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_shlibpath_var=no + ;; + + *nto* | *qnx*) + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + hardcode_shlibpath_var=no + hardcode_direct_absolute=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags ${wl}-retain-symbols-file,$export_symbols' + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + export_dynamic_flag_spec='${wl}-E' + else + case $host_os in + openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-R$libdir' + ;; + *) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + ;; + esac + fi + else + ld_shlibs=no + fi + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' + old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' + ;; + + osf3*) + if test "$GCC" = yes; then + allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test "$GCC" = yes; then + allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds='$CC -shared${allow_undefined_flag} $pic_flag $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared${allow_undefined_flag} ${wl}-input ${wl}$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + archive_cmds_need_lc='no' + hardcode_libdir_separator=: + ;; + + solaris*) + no_undefined_flag=' -z defs' + if test "$GCC" = yes; then + wlarc='${wl}' + archive_cmds='$CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag ${wl}-z ${wl}text ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='${wl}' + archive_cmds='$CC -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_shlibpath_var=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. GCC discards it without `$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test "$GCC" = yes; then + whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + else + whole_archive_flag_spec='-z allextract$convenience -z defaultextract' + fi + ;; + esac + link_all_deplibs=yes + ;; + + sunos4*) + if test "x$host_vendor" = xsequent; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + sysv4) + case $host_vendor in + sni) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' + reload_cmds='$CC -r -o $output$reload_objs' + hardcode_direct=no + ;; + motorola) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + hardcode_shlibpath_var=no + ;; + + sysv4.3*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + export_dynamic_flag_spec='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + ld_shlibs=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag='${wl}-z,text' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag='${wl}-z,text' + allow_undefined_flag='${wl}-z,nodefs' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='${wl}-R,$libdir' + hardcode_libdir_separator=':' + link_all_deplibs=yes + export_dynamic_flag_spec='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + if test "$GCC" = yes; then + archive_cmds='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + *) + ld_shlibs=no + ;; + esac + + if test x$host_vendor = xsni; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + export_dynamic_flag_spec='${wl}-Blargedynsym' + ;; + esac + fi + fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 +$as_echo "$ld_shlibs" >&6; } +test "$ld_shlibs" = no && can_build_shared=no + +with_gnu_ld=$with_gnu_ld + + + + + + + + + + + + + + + +# +# Do we need to explicitly link libc? +# +case "x$archive_cmds_need_lc" in +x|xyes) + # Assume -lc should be added + archive_cmds_need_lc=yes + + if test "$enable_shared" = yes && test "$GCC" = yes; then + case $archive_cmds in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } +if ${lt_cv_archive_cmds_need_lc+:} false; then : + $as_echo_n "(cached) " >&6 +else + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$lt_prog_compiler_wl + pic_flag=$lt_prog_compiler_pic + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$allow_undefined_flag + allow_undefined_flag= + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 + (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + then + lt_cv_archive_cmds_need_lc=no + else + lt_cv_archive_cmds_need_lc=yes + fi + allow_undefined_flag=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 +$as_echo "$lt_cv_archive_cmds_need_lc" >&6; } + archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc + ;; + esac + fi + ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } + +if test "$GCC" = yes; then + case $host_os in + darwin*) lt_awk_arg="/^libraries:/,/LR/" ;; + *) lt_awk_arg="/^libraries:/" ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq="s,=\([A-Za-z]:\),\1,g" ;; + *) lt_sed_strip_eq="s,=/,/,g" ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary. + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path/$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path/$lt_multi_os_dir" + else + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS=" "; FS="/|\n";} { + lt_foo=""; + lt_count=0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo="/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[lt_foo]++; } + if (lt_freq[lt_foo] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's,/\([A-Za-z]:\),\1,g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=".so" +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='${libname}${release}${shared_ext}$major' + ;; + +aix[4-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test "$host_cpu" = ia64; then + # AIX 5 supports IA64 + library_names_spec='${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext}$versuffix $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line `#! .'. This would cause the generated library to + # depend on `.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # AIX (on Power*) has no versioning support, so currently we can not hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + if test "$aix_use_runtimelinking" = yes; then + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + else + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='${libname}${release}.a $libname.a' + soname_spec='${libname}${release}${shared_ext}$major' + fi + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='${libname}${shared_ext}' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[45]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=".dll" + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api" + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + library_names_spec='${libname}.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec="$LIB" + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext' + soname_spec='${libname}${release}${major}$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib" + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=yes + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + if test "X$HPUX_IA64_MODE" = X32; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + fi + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" + sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd*) + version_type=sunos + sys_lib_dlsearch_path_spec="/usr/lib" + need_lib_prefix=no + # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. + case $host_os in + openbsd3.3 | openbsd3.3.*) need_version=yes ;; + *) need_version=no ;; + esac + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + case $host_os in + openbsd2.[89] | openbsd2.[89].*) + shlibpath_overrides_runpath=no + ;; + *) + shlibpath_overrides_runpath=yes + ;; + esac + else + shlibpath_overrides_runpath=yes + fi + ;; + +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test "$with_gnu_ld" = yes; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec ;then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=freebsd-elf + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test "$with_gnu_ld" = yes; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test "$dynamic_linker" = no && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then + sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +fi +if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then + sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action= +if test -n "$hardcode_libdir_flag_spec" || + test -n "$runpath_var" || + test "X$hardcode_automatic" = "Xyes" ; then + + # We can hardcode non-existent directories. + if test "$hardcode_direct" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_TAGVAR(hardcode_shlibpath_var, )" != no && + test "$hardcode_minus_L" != no; then + # Linking always hardcodes the temporary library directory. + hardcode_action=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 +$as_echo "$hardcode_action" >&6; } + +if test "$hardcode_action" = relink || + test "$inherit_rpath" = yes; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + if test "x$enable_dlopen" != xyes; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen="load_add_on" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen="LoadLibrary" + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen="dlopen" + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" +else + + lt_cv_dlopen="dyld" + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + +fi + + ;; + + *) + ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" +if test "x$ac_cv_func_shl_load" = xyes; then : + lt_cv_dlopen="shl_load" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 +$as_echo_n "checking for shl_load in -ldld... " >&6; } +if ${ac_cv_lib_dld_shl_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char shl_load (); +int +main () +{ +return shl_load (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_shl_load=yes +else + ac_cv_lib_dld_shl_load=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 +$as_echo "$ac_cv_lib_dld_shl_load" >&6; } +if test "x$ac_cv_lib_dld_shl_load" = xyes; then : + lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" +else + ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" +if test "x$ac_cv_func_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 +$as_echo_n "checking for dlopen in -lsvld... " >&6; } +if ${ac_cv_lib_svld_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsvld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_svld_dlopen=yes +else + ac_cv_lib_svld_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 +$as_echo "$ac_cv_lib_svld_dlopen" >&6; } +if test "x$ac_cv_lib_svld_dlopen" = xyes; then : + lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 +$as_echo_n "checking for dld_link in -ldld... " >&6; } +if ${ac_cv_lib_dld_dld_link+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dld_link (); +int +main () +{ +return dld_link (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_dld_link=yes +else + ac_cv_lib_dld_dld_link=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 +$as_echo "$ac_cv_lib_dld_dld_link" >&6; } +if test "x$ac_cv_lib_dld_dld_link" = xyes; then : + lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" +fi + + +fi + + +fi + + +fi + + +fi + + +fi + + ;; + esac + + if test "x$lt_cv_dlopen" != xno; then + enable_dlopen=yes + else + enable_dlopen=no + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS="$CPPFLAGS" + test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS="$LDFLAGS" + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS="$LIBS" + LIBS="$lt_cv_dlopen_libs $LIBS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 +$as_echo_n "checking whether a program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + lt_cv_dlopen_self=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisbility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 +$as_echo "$lt_cv_dlopen_self" >&6; } + + if test "x$lt_cv_dlopen_self" = xyes; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 +$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self_static+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + lt_cv_dlopen_self_static=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisbility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined(__GNUC__) && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self_static=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 +$as_echo "$lt_cv_dlopen_self_static" >&6; } + fi + + CPPFLAGS="$save_CPPFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi + + + + + + + + + + + + + + + + + +striplib= +old_striplib= +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 +$as_echo_n "checking whether stripping libraries is possible... " >&6; } +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP" ; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + fi + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + ;; + esac +fi + + + + + + + + + + + + + # Report which library types will actually be built + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 +$as_echo_n "checking if libtool supports shared libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 +$as_echo "$can_build_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 +$as_echo_n "checking whether to build shared libraries... " >&6; } + test "$can_build_shared" = "no" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test "$enable_shared" = yes && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[4-9]*) + if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then + test "$enable_shared" = yes && enable_static=no + fi + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 +$as_echo "$enable_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 +$as_echo_n "checking whether to build static libraries... " >&6; } + # Make sure either enable_shared or enable_static is yes. + test "$enable_shared" = yes || enable_static=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 +$as_echo "$enable_static" >&6; } + + + + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +CC="$lt_save_CC" + + if test -n "$CXX" && ( test "X$CXX" != "Xno" && + ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) || + (test "X$CXX" != "Xg++"))) ; then + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5 +$as_echo_n "checking how to run the C++ preprocessor... " >&6; } +if test -z "$CXXCPP"; then + if ${ac_cv_prog_CXXCPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CXXCPP needs to be expanded + for CXXCPP in "$CXX -E" "/lib/cpp" + do + ac_preproc_ok=false +for ac_cxx_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CXXCPP=$CXXCPP + +fi + CXXCPP=$ac_cv_prog_CXXCPP +else + ac_cv_prog_CXXCPP=$CXXCPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5 +$as_echo "$CXXCPP" >&6; } +ac_preproc_ok=false +for ac_cxx_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer to if __STDC__ is defined, since + # exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include +#else +# include +#endif + Syntax error +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +else + _lt_caught_CXX_error=yes +fi + +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + +archive_cmds_need_lc_CXX=no +allow_undefined_flag_CXX= +always_export_symbols_CXX=no +archive_expsym_cmds_CXX= +compiler_needs_object_CXX=no +export_dynamic_flag_spec_CXX= +hardcode_direct_CXX=no +hardcode_direct_absolute_CXX=no +hardcode_libdir_flag_spec_CXX= +hardcode_libdir_separator_CXX= +hardcode_minus_L_CXX=no +hardcode_shlibpath_var_CXX=unsupported +hardcode_automatic_CXX=no +inherit_rpath_CXX=no +module_cmds_CXX= +module_expsym_cmds_CXX= +link_all_deplibs_CXX=unknown +old_archive_cmds_CXX=$old_archive_cmds +reload_flag_CXX=$reload_flag +reload_cmds_CXX=$reload_cmds +no_undefined_flag_CXX= +whole_archive_flag_spec_CXX= +enable_shared_with_static_runtimes_CXX=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +objext_CXX=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test "$_lt_caught_CXX_error" != yes; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + + # save warnings/boilerplate of simple test code + ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + + ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_CFLAGS=$CFLAGS + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + CFLAGS=$CXXFLAGS + compiler=$CC + compiler_CXX=$CC + for cc_temp in $compiler""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` + + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test "$GXX" = yes; then + lt_prog_compiler_no_builtin_flag_CXX=' -fno-builtin' + else + lt_prog_compiler_no_builtin_flag_CXX= + fi + + if test "$GXX" = yes; then + # Set up default GNU C++ configuration + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$lt_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test "$with_gnu_ld" = yes; then + archive_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + + hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='${wl}' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec_CXX="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + else + whole_archive_flag_spec_CXX= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + ld_shlibs_CXX=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + aix[4-9]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag="" + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds_CXX='' + hardcode_direct_CXX=yes + hardcode_direct_absolute_CXX=yes + hardcode_libdir_separator_CXX=':' + link_all_deplibs_CXX=yes + file_list_spec_CXX='${wl}-f,' + + if test "$GXX" = yes; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct_CXX=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L_CXX=yes + hardcode_libdir_flag_spec_CXX='-L$libdir' + hardcode_libdir_separator_CXX= + fi + esac + shared_flag='-shared' + if test "$aix_use_runtimelinking" = yes; then + shared_flag="$shared_flag "'${wl}-G' + fi + else + # not using gcc + if test "$host_cpu" = ia64; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test "$aix_use_runtimelinking" = yes; then + shared_flag='${wl}-G' + else + shared_flag='${wl}-bM:SRE' + fi + fi + fi + + export_dynamic_flag_spec_CXX='${wl}-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + always_export_symbols_CXX=yes + if test "$aix_use_runtimelinking" = yes; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + allow_undefined_flag_CXX='-berok' + # Determine the default libpath from the value encoded in an empty + # executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath__CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath__CXX +fi + + hardcode_libdir_flag_spec_CXX='${wl}-blibpath:$libdir:'"$aix_libpath" + + archive_expsym_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then func_echo_all "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag" + else + if test "$host_cpu" = ia64; then + hardcode_libdir_flag_spec_CXX='${wl}-R $libdir:/usr/lib:/lib' + allow_undefined_flag_CXX="-z nodefs" + archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\${wl}$no_entry_flag"' $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test "${lt_cv_aix_libpath+set}" = set; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath__CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX="/usr/lib:/lib" + fi + +fi + + aix_libpath=$lt_cv_aix_libpath__CXX +fi + + hardcode_libdir_flag_spec_CXX='${wl}-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag_CXX=' ${wl}-bernotok' + allow_undefined_flag_CXX=' ${wl}-berok' + if test "$with_gnu_ld" = yes; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec_CXX='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec_CXX='$convenience' + fi + archive_cmds_need_lc_CXX=yes + # This is similar to how AIX traditionally builds its shared + # libraries. + archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs ${wl}-bnoentry $compiler_flags ${wl}-bE:$export_symbols${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag_CXX=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds_CXX='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + else + ld_shlibs_CXX=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + case $GXX,$cc_basename in + ,cl* | no,cl*) + # Native MSVC + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + hardcode_libdir_flag_spec_CXX=' ' + allow_undefined_flag_CXX=unsupported + always_export_symbols_CXX=yes + file_list_spec_CXX='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=".dll" + # FIXME: Setting linknames here is a bad hack. + archive_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-dll~linknames=' + archive_expsym_cmds_CXX='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + $SED -n -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' -e '1\\\!p' < $export_symbols > $output_objdir/$soname.exp; + else + $SED -e 's/\\\\\\\(.*\\\\\\\)/-link\\\ -EXPORT:\\\\\\\1/' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, CXX)='true' + enable_shared_with_static_runtimes_CXX=yes + # Don't use ranlib + old_postinstall_cmds_CXX='chmod 644 $oldlib' + postlink_cmds_CXX='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile="$lt_outputfile.exe" + lt_tool_outputfile="$lt_tool_outputfile.exe" + ;; + esac~ + func_to_tool_file "$lt_outputfile"~ + if test "$MANIFEST_TOOL" != ":" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # g++ + # _LT_TAGVAR(hardcode_libdir_flag_spec, CXX) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec_CXX='-L$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-all-symbols' + allow_undefined_flag_CXX=unsupported + always_export_symbols_CXX=no + enable_shared_with_static_runtimes_CXX=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file (1st line + # is EXPORTS), use it as is; otherwise, prepend... + archive_expsym_cmds_CXX='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname ${wl}--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs_CXX=no + fi + ;; + esac + ;; + darwin* | rhapsody*) + + + archive_cmds_need_lc_CXX=no + hardcode_direct_CXX=no + hardcode_automatic_CXX=yes + hardcode_shlibpath_var_CXX=unsupported + if test "$lt_cv_ld_force_load" = "yes"; then + whole_archive_flag_spec_CXX='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience ${wl}-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + + else + whole_archive_flag_spec_CXX='' + fi + link_all_deplibs_CXX=yes + allow_undefined_flag_CXX="$_lt_dar_allow_undefined" + case $cc_basename in + ifort*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test "$_lt_dar_can_shared" = "yes"; then + output_verbose_link_cmd=func_echo_all + archive_cmds_CXX="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}" + module_cmds_CXX="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}" + archive_expsym_cmds_CXX="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}" + module_expsym_cmds_CXX="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}" + if test "$lt_cv_apple_cc_single_mod" != "yes"; then + archive_cmds_CXX="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}" + archive_expsym_cmds_CXX="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}" + fi + + else + ld_shlibs_CXX=no + fi + + ;; + + dgux*) + case $cc_basename in + ec++*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + ghcx*) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + freebsd2.*) + # C++ shared libraries reported to be fairly broken before + # switch to ELF + ld_shlibs_CXX=no + ;; + + freebsd-elf*) + archive_cmds_need_lc_CXX=no + ;; + + freebsd* | dragonfly*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + ld_shlibs_CXX=yes + ;; + + gnu*) + ;; + + haiku*) + archive_cmds_CXX='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + link_all_deplibs_CXX=yes + ;; + + hpux9*) + hardcode_libdir_flag_spec_CXX='${wl}+b ${wl}$libdir' + hardcode_libdir_separator_CXX=: + export_dynamic_flag_spec_CXX='${wl}-E' + hardcode_direct_CXX=yes + hardcode_minus_L_CXX=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + aCC*) + archive_cmds_CXX='$RM $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + archive_cmds_CXX='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test $with_gnu_ld = no; then + hardcode_libdir_flag_spec_CXX='${wl}+b ${wl}$libdir' + hardcode_libdir_separator_CXX=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + export_dynamic_flag_spec_CXX='${wl}-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct_CXX=no + hardcode_shlibpath_var_CXX=no + ;; + *) + hardcode_direct_CXX=yes + hardcode_direct_absolute_CXX=yes + hardcode_minus_L_CXX=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + archive_cmds_CXX='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes; then + if test $with_gnu_ld = no; then + case $host_cpu in + hppa*64*) + archive_cmds_CXX='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + archive_cmds_CXX='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + archive_cmds_CXX='$CC -shared -nostdlib $pic_flag ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + fi + ;; + esac + ;; + + interix[3-9]*) + hardcode_direct_CXX=no + hardcode_shlibpath_var_CXX=no + hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir' + export_dynamic_flag_spec_CXX='${wl}-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds_CXX='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds_CXX='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + archive_cmds_CXX='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + old_archive_cmds_CXX='$CC -ar -WR,-u -o $oldlib $oldobjs' + ;; + *) + if test "$GXX" = yes; then + if test "$with_gnu_ld" = no; then + archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + else + archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` -o $lib' + fi + fi + link_all_deplibs_CXX=yes + ;; + esac + hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator_CXX=: + inherit_rpath_CXX=yes + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + archive_expsym_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + + hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 8.0 or newer + tmp_idyn= + case $host_cpu in + ia64*) tmp_idyn=' -i_dynamic';; + esac + archive_cmds_CXX='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + archive_cmds_need_lc_CXX=no + hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-dynamic' + whole_archive_flag_spec_CXX='${wl}--whole-archive$convenience ${wl}--no-whole-archive' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + case `$CC -V` in + *pgCC\ [1-5].* | *pgcpp\ [1-5].*) + prelink_cmds_CXX='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ + compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' + old_archive_cmds_CXX='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ + $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ + $RANLIB $oldlib' + archive_cmds_CXX='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + archive_expsym_cmds_CXX='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + *) # Version 6 and above use weak symbols + archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname ${wl}-retain-symbols-file ${wl}$export_symbols -o $lib' + ;; + esac + + hardcode_libdir_flag_spec_CXX='${wl}--rpath ${wl}$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-dynamic' + whole_archive_flag_spec_CXX='${wl}--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + ;; + cxx*) + # Compaq C++ + archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec_CXX='-rpath $libdir' + hardcode_libdir_separator_CXX=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' + ;; + xl* | mpixl* | bgxl*) + # IBM XL 8.0 on PPC, with GNU ld + hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir' + export_dynamic_flag_spec_CXX='${wl}--export-dynamic' + archive_cmds_CXX='$CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' + if test "x$supports_anon_versioning" = xyes; then + archive_expsym_cmds_CXX='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + no_undefined_flag_CXX=' -zdefs' + archive_cmds_CXX='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + archive_expsym_cmds_CXX='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file ${wl}$export_symbols' + hardcode_libdir_flag_spec_CXX='-R$libdir' + whole_archive_flag_spec_CXX='${wl}--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` ${wl}--no-whole-archive' + compiler_needs_object_CXX=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds_CXX='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + hardcode_libdir_flag_spec_CXX='-R$libdir' + hardcode_direct_CXX=yes + hardcode_shlibpath_var_CXX=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + ld_shlibs_CXX=yes + ;; + + openbsd2*) + # C++ shared libraries are fairly broken + ld_shlibs_CXX=no + ;; + + openbsd*) + if test -f /usr/libexec/ld.so; then + hardcode_direct_CXX=yes + hardcode_shlibpath_var_CXX=no + hardcode_direct_absolute_CXX=yes + archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-retain-symbols-file,$export_symbols -o $lib' + export_dynamic_flag_spec_CXX='${wl}-E' + whole_archive_flag_spec_CXX="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' + fi + output_verbose_link_cmd=func_echo_all + else + ld_shlibs_CXX=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\${tempext}\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + hardcode_libdir_flag_spec_CXX='${wl}-rpath,$libdir' + hardcode_libdir_separator_CXX=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) old_archive_cmds_CXX='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + cxx*) + case $host in + osf3*) + allow_undefined_flag_CXX=' ${wl}-expect_unresolved ${wl}\*' + archive_cmds_CXX='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && func_echo_all "${wl}-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir' + ;; + *) + allow_undefined_flag_CXX=' -expect_unresolved \*' + archive_cmds_CXX='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib' + archive_expsym_cmds_CXX='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname ${wl}-input ${wl}$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry ${output_objdir}/so_locations -o $lib~ + $RM $lib.exp' + hardcode_libdir_flag_spec_CXX='-rpath $libdir' + ;; + esac + + hardcode_libdir_separator_CXX=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + allow_undefined_flag_CXX=' ${wl}-expect_unresolved ${wl}\*' + case $host in + osf3*) + archive_cmds_CXX='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + *) + archive_cmds_CXX='$CC -shared $pic_flag -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && func_echo_all "${wl}-set_version ${wl}$verstring"` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' + ;; + esac + + hardcode_libdir_flag_spec_CXX='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator_CXX=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + archive_cmds_need_lc_CXX=yes + no_undefined_flag_CXX=' -zdefs' + archive_cmds_CXX='$CC -G${allow_undefined_flag} -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G${allow_undefined_flag} ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + hardcode_libdir_flag_spec_CXX='-R$libdir' + hardcode_shlibpath_var_CXX=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands `-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + whole_archive_flag_spec_CXX='-z allextract$convenience -z defaultextract' + ;; + esac + link_all_deplibs_CXX=yes + + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + old_archive_cmds_CXX='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test "$GXX" = yes && test "$with_gnu_ld" = no; then + no_undefined_flag_CXX=' ${wl}-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + else + # g++ 2.7 appears to require `-G' NOT `-shared' on this + # platform. + archive_cmds_CXX='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' + archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + fi + + hardcode_libdir_flag_spec_CXX='${wl}-R $wl$libdir' + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + whole_archive_flag_spec_CXX='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag_CXX='${wl}-z,text' + archive_cmds_need_lc_CXX=no + hardcode_shlibpath_var_CXX=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + archive_cmds_CXX='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds_CXX='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We can NOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag_CXX='${wl}-z,text' + allow_undefined_flag_CXX='${wl}-z,nodefs' + archive_cmds_need_lc_CXX=no + hardcode_shlibpath_var_CXX=no + hardcode_libdir_flag_spec_CXX='${wl}-R,$libdir' + hardcode_libdir_separator_CXX=':' + link_all_deplibs_CXX=yes + export_dynamic_flag_spec_CXX='${wl}-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + archive_cmds_CXX='$CC -G ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -G ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + old_archive_cmds_CXX='$CC -Tprelink_objects $oldobjs~ + '"$old_archive_cmds_CXX" + reload_cmds_CXX='$CC -Tprelink_objects $reload_objs~ + '"$reload_cmds_CXX" + ;; + *) + archive_cmds_CXX='$CC -shared ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -shared ${wl}-Bexport:$export_symbols ${wl}-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5 +$as_echo "$ld_shlibs_CXX" >&6; } + test "$ld_shlibs_CXX" = no && can_build_shared=no + + GCC_CXX="$GXX" + LD_CXX="$LD" + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + # Dependencies to place before and after the object being linked: +predep_objects_CXX= +postdep_objects_CXX= +predeps_CXX= +postdeps_CXX= +compiler_lib_search_path_CXX= + +cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF + + +_lt_libdeps_save_CFLAGS=$CFLAGS +case "$CC $CFLAGS " in #( +*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;; +*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;; +*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;; +esac + +if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case ${prev}${p} in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test $p = "-L" || + test $p = "-R"; then + prev=$p + continue + fi + + # Expand the sysroot to ease extracting the directories later. + if test -z "$prev"; then + case $p in + -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;; + -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;; + -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;; + esac + fi + case $p in + =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;; + esac + if test "$pre_test_object_deps_done" = no; then + case ${prev} in + -L | -R) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$compiler_lib_search_path_CXX"; then + compiler_lib_search_path_CXX="${prev}${p}" + else + compiler_lib_search_path_CXX="${compiler_lib_search_path_CXX} ${prev}${p}" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$postdeps_CXX"; then + postdeps_CXX="${prev}${p}" + else + postdeps_CXX="${postdeps_CXX} ${prev}${p}" + fi + fi + prev= + ;; + + *.lto.$objext) ;; # Ignore GCC LTO objects + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test "$pre_test_object_deps_done" = no; then + if test -z "$predep_objects_CXX"; then + predep_objects_CXX="$p" + else + predep_objects_CXX="$predep_objects_CXX $p" + fi + else + if test -z "$postdep_objects_CXX"; then + postdep_objects_CXX="$p" + else + postdep_objects_CXX="$postdep_objects_CXX $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling CXX test program" +fi + +$RM -f confest.$objext +CFLAGS=$_lt_libdeps_save_CFLAGS + +# PORTME: override above test on systems where it is broken +case $host_os in +interix[3-9]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + predep_objects_CXX= + postdep_objects_CXX= + postdeps_CXX= + ;; + +linux*) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + if test "$solaris_use_stlport4" != yes; then + postdeps_CXX='-library=Cstd -library=Crun' + fi + ;; + esac + ;; + +solaris*) + case $cc_basename in + CC* | sunCC*) + # The more standards-conforming stlport4 library is + # incompatible with the Cstd library. Avoid specifying + # it if it's in CXXFLAGS. Ignore libCrun as + # -library=stlport4 depends on it. + case " $CXX $CXXFLAGS " in + *" -library=stlport4 "*) + solaris_use_stlport4=yes + ;; + esac + + # Adding this requires a known-good setup of shared libraries for + # Sun compiler versions before 5.6, else PIC objects from an old + # archive will be linked into the output, leading to subtle bugs. + if test "$solaris_use_stlport4" != yes; then + postdeps_CXX='-library=Cstd -library=Crun' + fi + ;; + esac + ;; +esac + + +case " $postdeps_CXX " in +*" -lc "*) archive_cmds_need_lc_CXX=no ;; +esac + compiler_lib_search_dirs_CXX= +if test -n "${compiler_lib_search_path_CXX}"; then + compiler_lib_search_dirs_CXX=`echo " ${compiler_lib_search_path_CXX}" | ${SED} -e 's! -L! !g' -e 's!^ !!'` +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + lt_prog_compiler_wl_CXX= +lt_prog_compiler_pic_CXX= +lt_prog_compiler_static_CXX= + + + # C++ specific cases for pic, static, wl, etc. + if test "$GXX" = yes; then + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static_CXX='-Bstatic' + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic_CXX='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the `-m68020' flag to GCC prevents building anything better, + # like `-m68040'. + lt_prog_compiler_pic_CXX='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic_CXX='-DDLL_EXPORT' + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic_CXX='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + lt_prog_compiler_pic_CXX= + ;; + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static_CXX= + ;; + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic_CXX=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + lt_prog_compiler_pic_CXX='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic_CXX='-fPIC -shared' + ;; + *) + lt_prog_compiler_pic_CXX='-fPIC' + ;; + esac + else + case $host_os in + aix[4-9]*) + # All AIX code is PIC. + if test "$host_cpu" = ia64; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static_CXX='-Bstatic' + else + lt_prog_compiler_static_CXX='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, CXX)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic_CXX='-DDLL_EXPORT' + ;; + dgux*) + case $cc_basename in + ec++*) + lt_prog_compiler_pic_CXX='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + lt_prog_compiler_pic_CXX='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='${wl}-a ${wl}archive' + if test "$host_cpu" != ia64; then + lt_prog_compiler_pic_CXX='+Z' + fi + ;; + aCC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='${wl}-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic_CXX='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + KCC*) + # KAI C++ Compiler + lt_prog_compiler_wl_CXX='--backend -Wl,' + lt_prog_compiler_pic_CXX='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64 which still supported -KPIC. + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-fPIC' + lt_prog_compiler_static_CXX='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-fpic' + lt_prog_compiler_static_CXX='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + lt_prog_compiler_pic_CXX= + lt_prog_compiler_static_CXX='-non_shared' + ;; + xlc* | xlC* | bgxl[cC]* | mpixl[cC]*) + # IBM XL 8.0, 9.0 on PPC and BlueGene + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-qpic' + lt_prog_compiler_static_CXX='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-Bstatic' + lt_prog_compiler_wl_CXX='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + lt_prog_compiler_pic_CXX='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd*) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic_CXX='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + lt_prog_compiler_wl_CXX='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + lt_prog_compiler_pic_CXX='-pic' + ;; + cxx*) + # Digital/Compaq C++ + lt_prog_compiler_wl_CXX='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + lt_prog_compiler_pic_CXX= + lt_prog_compiler_static_CXX='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-Bstatic' + lt_prog_compiler_wl_CXX='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + lt_prog_compiler_pic_CXX='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + lt_prog_compiler_pic_CXX='-pic' + lt_prog_compiler_static_CXX='-Bstatic' + ;; + lcc*) + # Lucid + lt_prog_compiler_pic_CXX='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + lt_prog_compiler_pic_CXX='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + lt_prog_compiler_can_build_shared_CXX=no + ;; + esac + fi + +case $host_os in + # For platforms which do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic_CXX= + ;; + *) + lt_prog_compiler_pic_CXX="$lt_prog_compiler_pic_CXX -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... 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The import file would start with + # the line `#! .'. This would cause the generated library to + # depend on `.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | ${CC} -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # AIX (on Power*) has no versioning support, so currently we can not hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + if test "$aix_use_runtimelinking" = yes; then + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + else + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='${libname}${release}.a $libname.a' + soname_spec='${libname}${release}${shared_ext}$major' + fi + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + ;; 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+ +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=".dll" + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext}' + library_names_spec='${libname}.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec="$LIB" + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \${file}`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\${base_file}'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='${libname}`echo ${release} | $SED -e 's/[.]/-/g'`${versuffix}${shared_ext} $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${major}$shared_ext ${libname}$shared_ext' + soname_spec='${libname}${release}${major}$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname$shared_ext' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='${libname}${release}${shared_ext}$versuffix $libname${shared_ext}$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=yes + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + if test "X$HPUX_IA64_MODE" = X32; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + fi + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test "$lt_cv_prog_gnu_ld" = yes; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${release}${shared_ext} $libname${shared_ext}' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" + sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_CXX\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec_CXX\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Append ld.so.conf contents to the search path + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd*) + version_type=sunos + sys_lib_dlsearch_path_spec="/usr/lib" + need_lib_prefix=no + # Some older versions of OpenBSD (3.3 at least) *do* need versioned libs. + case $host_os in + openbsd3.3 | openbsd3.3.*) need_version=yes ;; + *) need_version=no ;; + esac + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + case $host_os in + openbsd2.[89] | openbsd2.[89].*) + shlibpath_overrides_runpath=no + ;; + *) + shlibpath_overrides_runpath=yes + ;; + esac + else + shlibpath_overrides_runpath=yes + fi + ;; + +os2*) + libname_spec='$name' + shrext_cmds=".dll" + need_lib_prefix=no + library_names_spec='$libname${shared_ext} $libname.a' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=LIBPATH + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='${libname}${release}${shared_ext}$major' + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${shared_ext}$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test "$with_gnu_ld" = yes; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec ;then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname${shared_ext}.$versuffix $libname${shared_ext}.$major $libname${shared_ext}' + soname_spec='$libname${shared_ext}.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=freebsd-elf + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext} $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test "$with_gnu_ld" = yes; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test "$dynamic_linker" = no && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test "$GCC" = yes; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test "${lt_cv_sys_lib_search_path_spec+set}" = set; then + sys_lib_search_path_spec="$lt_cv_sys_lib_search_path_spec" +fi +if test "${lt_cv_sys_lib_dlsearch_path_spec+set}" = set; then + sys_lib_dlsearch_path_spec="$lt_cv_sys_lib_dlsearch_path_spec" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action_CXX= +if test -n "$hardcode_libdir_flag_spec_CXX" || + test -n "$runpath_var_CXX" || + test "X$hardcode_automatic_CXX" = "Xyes" ; then + + # We can hardcode non-existent directories. + if test "$hardcode_direct_CXX" != no && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test "$_LT_TAGVAR(hardcode_shlibpath_var, CXX)" != no && + test "$hardcode_minus_L_CXX" != no; then + # Linking always hardcodes the temporary library directory. + hardcode_action_CXX=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action_CXX=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action_CXX=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_CXX" >&5 +$as_echo "$hardcode_action_CXX" >&6; } + +if test "$hardcode_action_CXX" = relink || + test "$inherit_rpath_CXX" = yes; then + # Fast installation is not supported + enable_fast_install=no +elif test "$shlibpath_overrides_runpath" = yes || + test "$enable_shared" = no; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + + fi # test -n "$compiler" + + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test "$_lt_caught_CXX_error" != yes + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + + + + + + + + + + + + + ac_config_commands="$ac_config_commands libtool" + + + + +# Only expand once: + + +: ${CONFIG_LT=./config.lt} +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_LT" >&5 +$as_echo "$as_me: creating $CONFIG_LT" >&6;} +as_write_fail=0 +cat >"$CONFIG_LT" <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate a libtool stub with the current configuration. +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>"$CONFIG_LT" <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## --------------------------------- ## +## Main body of "$CONFIG_LT" script. ## +## --------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x "$CONFIG_LT" + +cat >>"$CONFIG_LT" <<\_LTEOF +lt_cl_silent=false +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX +} >&5 + +lt_cl_help="\ +\`$as_me' creates a local libtool stub from the current configuration, +for use in further configure time tests before the real libtool is +generated. + +Usage: $0 [OPTIONS] + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + +Report bugs to ." + +lt_cl_version="\ +cogl config.lt 1.18.2 +configured by $0, generated by GNU Autoconf 2.69. + +Copyright (C) 2011 Free Software Foundation, Inc. +This config.lt script is free software; the Free Software Foundation +gives unlimited permision to copy, distribute and modify it." + +while test $# != 0 +do + case $1 in + --version | --v* | -V ) + echo "$lt_cl_version"; exit 0 ;; + --help | --h* | -h ) + echo "$lt_cl_help"; exit 0 ;; + --debug | --d* | -d ) + debug=: ;; + --quiet | --q* | --silent | --s* | -q ) + lt_cl_silent=: ;; + + -*) as_fn_error $? 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"$LINENO" 5 ;; + esac + shift +done + +if $lt_cl_silent; then + exec 6>/dev/null +fi +_LTEOF + +cat >>"$CONFIG_LT" <<_LTEOF + + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +macro_version='`$ECHO "$macro_version" | $SED "$delay_single_quote_subst"`' +macro_revision='`$ECHO "$macro_revision" | $SED "$delay_single_quote_subst"`' +enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`' +enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`' +pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`' +enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`' +SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`' +ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`' 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"$delay_single_quote_subst"`' +want_nocaseglob='`$ECHO "$want_nocaseglob" | $SED "$delay_single_quote_subst"`' +DLLTOOL='`$ECHO "$DLLTOOL" | $SED "$delay_single_quote_subst"`' +sharedlib_from_linklib_cmd='`$ECHO "$sharedlib_from_linklib_cmd" | $SED "$delay_single_quote_subst"`' +AR='`$ECHO "$AR" | $SED "$delay_single_quote_subst"`' +AR_FLAGS='`$ECHO "$AR_FLAGS" | $SED "$delay_single_quote_subst"`' +archiver_list_spec='`$ECHO "$archiver_list_spec" | $SED "$delay_single_quote_subst"`' +STRIP='`$ECHO "$STRIP" | $SED "$delay_single_quote_subst"`' +RANLIB='`$ECHO "$RANLIB" | $SED "$delay_single_quote_subst"`' +old_postinstall_cmds='`$ECHO "$old_postinstall_cmds" | $SED "$delay_single_quote_subst"`' +old_postuninstall_cmds='`$ECHO "$old_postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_cmds='`$ECHO "$old_archive_cmds" | $SED "$delay_single_quote_subst"`' +lock_old_archive_extraction='`$ECHO "$lock_old_archive_extraction" | $SED "$delay_single_quote_subst"`' +CC='`$ECHO "$CC" | $SED "$delay_single_quote_subst"`' +CFLAGS='`$ECHO "$CFLAGS" | $SED "$delay_single_quote_subst"`' +compiler='`$ECHO "$compiler" | $SED "$delay_single_quote_subst"`' +GCC='`$ECHO "$GCC" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_pipe='`$ECHO "$lt_cv_sys_global_symbol_pipe" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_cdecl='`$ECHO "$lt_cv_sys_global_symbol_to_cdecl" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $SED "$delay_single_quote_subst"`' +nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`' +lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`' +objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`' +MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_pic='`$ECHO "$lt_prog_compiler_pic" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_wl='`$ECHO "$lt_prog_compiler_wl" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_static='`$ECHO "$lt_prog_compiler_static" | $SED "$delay_single_quote_subst"`' +lt_cv_prog_compiler_c_o='`$ECHO "$lt_cv_prog_compiler_c_o" | $SED "$delay_single_quote_subst"`' +need_locks='`$ECHO "$need_locks" | $SED "$delay_single_quote_subst"`' +MANIFEST_TOOL='`$ECHO "$MANIFEST_TOOL" | $SED "$delay_single_quote_subst"`' +DSYMUTIL='`$ECHO "$DSYMUTIL" | $SED "$delay_single_quote_subst"`' +NMEDIT='`$ECHO "$NMEDIT" | $SED "$delay_single_quote_subst"`' +LIPO='`$ECHO "$LIPO" | $SED "$delay_single_quote_subst"`' +OTOOL='`$ECHO "$OTOOL" | $SED "$delay_single_quote_subst"`' +OTOOL64='`$ECHO "$OTOOL64" | $SED "$delay_single_quote_subst"`' +libext='`$ECHO "$libext" | $SED "$delay_single_quote_subst"`' +shrext_cmds='`$ECHO "$shrext_cmds" | $SED "$delay_single_quote_subst"`' +extract_expsyms_cmds='`$ECHO "$extract_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc='`$ECHO "$archive_cmds_need_lc" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes='`$ECHO "$enable_shared_with_static_runtimes" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec='`$ECHO "$export_dynamic_flag_spec" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec='`$ECHO "$whole_archive_flag_spec" | $SED "$delay_single_quote_subst"`' +compiler_needs_object='`$ECHO "$compiler_needs_object" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds='`$ECHO "$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`' +module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`' +with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`' +no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`' +hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`' +hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`' +inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`' +link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`' +always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`' +exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`' +include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`' +prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`' +postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`' +file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`' +variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`' +need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`' +need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`' +version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`' +runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`' +libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`' +library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`' +soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`' +install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`' +postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`' +postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`' +finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`' +hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`' +sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`' +sys_lib_dlsearch_path_spec='`$ECHO "$sys_lib_dlsearch_path_spec" | $SED "$delay_single_quote_subst"`' +hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`' +enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`' +old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`' +striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_dirs='`$ECHO "$compiler_lib_search_dirs" | $SED "$delay_single_quote_subst"`' +predep_objects='`$ECHO "$predep_objects" | $SED "$delay_single_quote_subst"`' +postdep_objects='`$ECHO "$postdep_objects" | $SED "$delay_single_quote_subst"`' +predeps='`$ECHO "$predeps" | $SED "$delay_single_quote_subst"`' +postdeps='`$ECHO "$postdeps" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_path='`$ECHO "$compiler_lib_search_path" | $SED "$delay_single_quote_subst"`' +LD_CXX='`$ECHO "$LD_CXX" | $SED "$delay_single_quote_subst"`' +reload_flag_CXX='`$ECHO "$reload_flag_CXX" | $SED "$delay_single_quote_subst"`' +reload_cmds_CXX='`$ECHO "$reload_cmds_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_cmds_CXX='`$ECHO "$old_archive_cmds_CXX" | $SED "$delay_single_quote_subst"`' +compiler_CXX='`$ECHO "$compiler_CXX" | $SED "$delay_single_quote_subst"`' +GCC_CXX='`$ECHO "$GCC_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_no_builtin_flag_CXX='`$ECHO "$lt_prog_compiler_no_builtin_flag_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_pic_CXX='`$ECHO "$lt_prog_compiler_pic_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_wl_CXX='`$ECHO "$lt_prog_compiler_wl_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_static_CXX='`$ECHO "$lt_prog_compiler_static_CXX" | $SED "$delay_single_quote_subst"`' +lt_cv_prog_compiler_c_o_CXX='`$ECHO "$lt_cv_prog_compiler_c_o_CXX" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc_CXX='`$ECHO "$archive_cmds_need_lc_CXX" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes_CXX='`$ECHO "$enable_shared_with_static_runtimes_CXX" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec_CXX='`$ECHO "$export_dynamic_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec_CXX='`$ECHO "$whole_archive_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +compiler_needs_object_CXX='`$ECHO "$compiler_needs_object_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds_CXX='`$ECHO "$old_archive_from_new_cmds_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds_CXX='`$ECHO "$old_archive_from_expsyms_cmds_CXX" | $SED "$delay_single_quote_subst"`' +archive_cmds_CXX='`$ECHO "$archive_cmds_CXX" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds_CXX='`$ECHO "$archive_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`' +module_cmds_CXX='`$ECHO "$module_cmds_CXX" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds_CXX='`$ECHO "$module_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`' +with_gnu_ld_CXX='`$ECHO "$with_gnu_ld_CXX" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag_CXX='`$ECHO "$allow_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`' +no_undefined_flag_CXX='`$ECHO "$no_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec_CXX='`$ECHO "$hardcode_libdir_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator_CXX='`$ECHO "$hardcode_libdir_separator_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_direct_CXX='`$ECHO "$hardcode_direct_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute_CXX='`$ECHO "$hardcode_direct_absolute_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L_CXX='`$ECHO "$hardcode_minus_L_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var_CXX='`$ECHO "$hardcode_shlibpath_var_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_automatic_CXX='`$ECHO "$hardcode_automatic_CXX" | $SED "$delay_single_quote_subst"`' +inherit_rpath_CXX='`$ECHO "$inherit_rpath_CXX" | $SED "$delay_single_quote_subst"`' +link_all_deplibs_CXX='`$ECHO "$link_all_deplibs_CXX" | $SED "$delay_single_quote_subst"`' +always_export_symbols_CXX='`$ECHO "$always_export_symbols_CXX" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds_CXX='`$ECHO "$export_symbols_cmds_CXX" | $SED "$delay_single_quote_subst"`' +exclude_expsyms_CXX='`$ECHO "$exclude_expsyms_CXX" | $SED "$delay_single_quote_subst"`' +include_expsyms_CXX='`$ECHO "$include_expsyms_CXX" | $SED "$delay_single_quote_subst"`' +prelink_cmds_CXX='`$ECHO "$prelink_cmds_CXX" | $SED "$delay_single_quote_subst"`' +postlink_cmds_CXX='`$ECHO "$postlink_cmds_CXX" | $SED "$delay_single_quote_subst"`' +file_list_spec_CXX='`$ECHO "$file_list_spec_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_action_CXX='`$ECHO "$hardcode_action_CXX" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_dirs_CXX='`$ECHO "$compiler_lib_search_dirs_CXX" | $SED "$delay_single_quote_subst"`' +predep_objects_CXX='`$ECHO "$predep_objects_CXX" | $SED "$delay_single_quote_subst"`' +postdep_objects_CXX='`$ECHO "$postdep_objects_CXX" | $SED "$delay_single_quote_subst"`' +predeps_CXX='`$ECHO "$predeps_CXX" | $SED "$delay_single_quote_subst"`' +postdeps_CXX='`$ECHO "$postdeps_CXX" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_path_CXX='`$ECHO "$compiler_lib_search_path_CXX" | $SED "$delay_single_quote_subst"`' + +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in SHELL \ +ECHO \ +PATH_SEPARATOR \ +SED \ +GREP \ +EGREP \ +FGREP \ +LD \ +NM \ +LN_S \ +lt_SP2NL \ +lt_NL2SP \ +reload_flag \ +OBJDUMP \ +deplibs_check_method \ +file_magic_cmd \ +file_magic_glob \ +want_nocaseglob \ +DLLTOOL \ +sharedlib_from_linklib_cmd \ +AR \ +AR_FLAGS \ +archiver_list_spec \ +STRIP \ +RANLIB \ +CC \ +CFLAGS \ +compiler \ +lt_cv_sys_global_symbol_pipe \ +lt_cv_sys_global_symbol_to_cdecl \ +lt_cv_sys_global_symbol_to_c_name_address \ +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \ +nm_file_list_spec \ +lt_prog_compiler_no_builtin_flag \ +lt_prog_compiler_pic \ +lt_prog_compiler_wl \ +lt_prog_compiler_static \ +lt_cv_prog_compiler_c_o \ +need_locks \ +MANIFEST_TOOL \ +DSYMUTIL \ +NMEDIT \ +LIPO \ +OTOOL \ +OTOOL64 \ +shrext_cmds \ +export_dynamic_flag_spec \ +whole_archive_flag_spec \ +compiler_needs_object \ +with_gnu_ld \ +allow_undefined_flag \ +no_undefined_flag \ +hardcode_libdir_flag_spec \ +hardcode_libdir_separator \ +exclude_expsyms \ +include_expsyms \ +file_list_spec \ +variables_saved_for_relink \ +libname_spec \ +library_names_spec \ +soname_spec \ +install_override_mode \ +finish_eval \ +old_striplib \ +striplib \ +compiler_lib_search_dirs \ +predep_objects \ +postdep_objects \ +predeps \ +postdeps \ +compiler_lib_search_path \ +LD_CXX \ +reload_flag_CXX \ +compiler_CXX \ +lt_prog_compiler_no_builtin_flag_CXX \ +lt_prog_compiler_pic_CXX \ +lt_prog_compiler_wl_CXX \ +lt_prog_compiler_static_CXX \ +lt_cv_prog_compiler_c_o_CXX \ +export_dynamic_flag_spec_CXX \ +whole_archive_flag_spec_CXX \ +compiler_needs_object_CXX \ +with_gnu_ld_CXX \ +allow_undefined_flag_CXX \ +no_undefined_flag_CXX \ +hardcode_libdir_flag_spec_CXX \ +hardcode_libdir_separator_CXX \ +exclude_expsyms_CXX \ +include_expsyms_CXX \ +file_list_spec_CXX \ +compiler_lib_search_dirs_CXX \ +predep_objects_CXX \ +postdep_objects_CXX \ +predeps_CXX \ +postdeps_CXX \ +compiler_lib_search_path_CXX; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in reload_cmds \ +old_postinstall_cmds \ +old_postuninstall_cmds \ +old_archive_cmds \ +extract_expsyms_cmds \ +old_archive_from_new_cmds \ +old_archive_from_expsyms_cmds \ +archive_cmds \ +archive_expsym_cmds \ +module_cmds \ +module_expsym_cmds \ +export_symbols_cmds \ +prelink_cmds \ +postlink_cmds \ +postinstall_cmds \ +postuninstall_cmds \ +finish_cmds \ +sys_lib_search_path_spec \ +sys_lib_dlsearch_path_spec \ +reload_cmds_CXX \ +old_archive_cmds_CXX \ +old_archive_from_new_cmds_CXX \ +old_archive_from_expsyms_cmds_CXX \ +archive_cmds_CXX \ +archive_expsym_cmds_CXX \ +module_cmds_CXX \ +module_expsym_cmds_CXX \ +export_symbols_cmds_CXX \ +prelink_cmds_CXX \ +postlink_cmds_CXX; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +ac_aux_dir='$ac_aux_dir' +xsi_shell='$xsi_shell' +lt_shell_append='$lt_shell_append' + +# See if we are running on zsh, and set the options which allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + + + PACKAGE='$PACKAGE' + VERSION='$VERSION' + TIMESTAMP='$TIMESTAMP' + RM='$RM' + ofile='$ofile' + + + + + +_LTEOF + +cat >>"$CONFIG_LT" <<\_LTEOF +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $ofile" >&5 +$as_echo "$as_me: creating $ofile" >&6;} + + + # See if we are running on zsh, and set the options which allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST + fi + + cfgfile="${ofile}T" + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL + +# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services. +# Generated automatically by $as_me ($PACKAGE$TIMESTAMP) $VERSION +# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`: +# NOTE: Changes made to this file will be lost: look at ltmain.sh. +# +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, +# 2006, 2007, 2008, 2009, 2010, 2011 Free Software +# Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is part of GNU Libtool. +# +# GNU Libtool is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with GNU Libtool; see the file COPYING. If not, a copy +# can be downloaded from http://www.gnu.org/licenses/gpl.html, or +# obtained by writing to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + + +# The names of the tagged configurations supported by this script. +available_tags="CXX " + +# ### BEGIN LIBTOOL CONFIG + +# Which release of libtool.m4 was used? +macro_version=$macro_version +macro_revision=$macro_revision + +# Whether or not to build static libraries. +build_old_libs=$enable_static + +# Whether or not to build shared libraries. +build_libtool_libs=$enable_shared + +# What type of objects to build. +pic_mode=$pic_mode + +# Whether or not to optimize for fast installation. +fast_install=$enable_fast_install + +# Shell to use when invoking shell scripts. +SHELL=$lt_SHELL + +# An echo program that protects backslashes. +ECHO=$lt_ECHO + +# The PATH separator for the build system. +PATH_SEPARATOR=$lt_PATH_SEPARATOR + +# The host system. +host_alias=$host_alias +host=$host +host_os=$host_os + +# The build system. +build_alias=$build_alias +build=$build +build_os=$build_os + +# A sed program that does not truncate output. +SED=$lt_SED + +# Sed that helps us avoid accidentally triggering echo(1) options like -n. +Xsed="\$SED -e 1s/^X//" + +# A grep program that handles long lines. +GREP=$lt_GREP + +# An ERE matcher. +EGREP=$lt_EGREP + +# A literal string matcher. +FGREP=$lt_FGREP + +# A BSD- or MS-compatible name lister. +NM=$lt_NM + +# Whether we need soft or hard links. +LN_S=$lt_LN_S + +# What is the maximum length of a command? +max_cmd_len=$max_cmd_len + +# Object file suffix (normally "o"). +objext=$ac_objext + +# Executable file suffix (normally ""). +exeext=$exeext + +# whether the shell understands "unset". +lt_unset=$lt_unset + +# turn spaces into newlines. +SP2NL=$lt_lt_SP2NL + +# turn newlines into spaces. +NL2SP=$lt_lt_NL2SP + +# convert \$build file names to \$host format. +to_host_file_cmd=$lt_cv_to_host_file_cmd + +# convert \$build files to toolchain format. +to_tool_file_cmd=$lt_cv_to_tool_file_cmd + +# An object symbol dumper. +OBJDUMP=$lt_OBJDUMP + +# Method to check whether dependent libraries are shared objects. +deplibs_check_method=$lt_deplibs_check_method + +# Command to use when deplibs_check_method = "file_magic". +file_magic_cmd=$lt_file_magic_cmd + +# How to find potential files when deplibs_check_method = "file_magic". +file_magic_glob=$lt_file_magic_glob + +# Find potential files using nocaseglob when deplibs_check_method = "file_magic". +want_nocaseglob=$lt_want_nocaseglob + +# DLL creation program. +DLLTOOL=$lt_DLLTOOL + +# Command to associate shared and link libraries. +sharedlib_from_linklib_cmd=$lt_sharedlib_from_linklib_cmd + +# The archiver. +AR=$lt_AR + +# Flags to create an archive. +AR_FLAGS=$lt_AR_FLAGS + +# How to feed a file listing to the archiver. +archiver_list_spec=$lt_archiver_list_spec + +# A symbol stripping program. +STRIP=$lt_STRIP + +# Commands used to install an old-style archive. +RANLIB=$lt_RANLIB +old_postinstall_cmds=$lt_old_postinstall_cmds +old_postuninstall_cmds=$lt_old_postuninstall_cmds + +# Whether to use a lock for old archive extraction. +lock_old_archive_extraction=$lock_old_archive_extraction + +# A C compiler. +LTCC=$lt_CC + +# LTCC compiler flags. +LTCFLAGS=$lt_CFLAGS + +# Take the output of nm and produce a listing of raw symbols and C names. +global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe + +# Transform the output of nm in a proper C declaration. +global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl + +# Transform the output of nm in a C name address pair. +global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address + +# Transform the output of nm in a C name address pair when lib prefix is needed. +global_symbol_to_c_name_address_lib_prefix=$lt_lt_cv_sys_global_symbol_to_c_name_address_lib_prefix + +# Specify filename containing input files for \$NM. +nm_file_list_spec=$lt_nm_file_list_spec + +# The root where to search for dependent libraries,and in which our libraries should be installed. +lt_sysroot=$lt_sysroot + +# The name of the directory that contains temporary libtool files. +objdir=$objdir + +# Used to examine libraries when file_magic_cmd begins with "file". +MAGIC_CMD=$MAGIC_CMD + +# Must we lock files when doing compilation? +need_locks=$lt_need_locks + +# Manifest tool. +MANIFEST_TOOL=$lt_MANIFEST_TOOL + +# Tool to manipulate archived DWARF debug symbol files on Mac OS X. +DSYMUTIL=$lt_DSYMUTIL + +# Tool to change global to local symbols on Mac OS X. +NMEDIT=$lt_NMEDIT + +# Tool to manipulate fat objects and archives on Mac OS X. +LIPO=$lt_LIPO + +# ldd/readelf like tool for Mach-O binaries on Mac OS X. +OTOOL=$lt_OTOOL + +# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4. +OTOOL64=$lt_OTOOL64 + +# Old archive suffix (normally "a"). +libext=$libext + +# Shared library suffix (normally ".so"). +shrext_cmds=$lt_shrext_cmds + +# The commands to extract the exported symbol list from a shared archive. +extract_expsyms_cmds=$lt_extract_expsyms_cmds + +# Variables whose values should be saved in libtool wrapper scripts and +# restored at link time. +variables_saved_for_relink=$lt_variables_saved_for_relink + +# Do we need the "lib" prefix for modules? +need_lib_prefix=$need_lib_prefix + +# Do we need a version for libraries? +need_version=$need_version + +# Library versioning type. +version_type=$version_type + +# Shared library runtime path variable. +runpath_var=$runpath_var + +# Shared library path variable. +shlibpath_var=$shlibpath_var + +# Is shlibpath searched before the hard-coded library search path? +shlibpath_overrides_runpath=$shlibpath_overrides_runpath + +# Format of library name prefix. +libname_spec=$lt_libname_spec + +# List of archive names. First name is the real one, the rest are links. +# The last name is the one that the linker finds with -lNAME +library_names_spec=$lt_library_names_spec + +# The coded name of the library, if different from the real name. +soname_spec=$lt_soname_spec + +# Permission mode override for installation of shared libraries. +install_override_mode=$lt_install_override_mode + +# Command to use after installation of a shared archive. +postinstall_cmds=$lt_postinstall_cmds + +# Command to use after uninstallation of a shared archive. +postuninstall_cmds=$lt_postuninstall_cmds + +# Commands used to finish a libtool library installation in a directory. +finish_cmds=$lt_finish_cmds + +# As "finish_cmds", except a single script fragment to be evaled but +# not shown. +finish_eval=$lt_finish_eval + +# Whether we should hardcode library paths into libraries. +hardcode_into_libs=$hardcode_into_libs + +# Compile-time system search path for libraries. +sys_lib_search_path_spec=$lt_sys_lib_search_path_spec + +# Run-time system search path for libraries. +sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec + +# Whether dlopen is supported. +dlopen_support=$enable_dlopen + +# Whether dlopen of programs is supported. +dlopen_self=$enable_dlopen_self + +# Whether dlopen of statically linked programs is supported. +dlopen_self_static=$enable_dlopen_self_static + +# Commands to strip libraries. +old_striplib=$lt_old_striplib +striplib=$lt_striplib + + +# The linker used to build libraries. +LD=$lt_LD + +# How to create reloadable object files. +reload_flag=$lt_reload_flag +reload_cmds=$lt_reload_cmds + +# Commands used to build an old-style archive. +old_archive_cmds=$lt_old_archive_cmds + +# A language specific compiler. +CC=$lt_compiler + +# Is the compiler the GNU compiler? +with_gcc=$GCC + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds +archive_expsym_cmds=$lt_archive_expsym_cmds + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds +module_expsym_cmds=$lt_module_expsym_cmds + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \${shlibpath_var} if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action + +# The directories searched by this compiler when creating a shared library. +compiler_lib_search_dirs=$lt_compiler_lib_search_dirs + +# Dependencies to place before and after the objects being linked to +# create a shared library. +predep_objects=$lt_predep_objects +postdep_objects=$lt_postdep_objects +predeps=$lt_predeps +postdeps=$lt_postdeps + +# The library search path used internally by the compiler when linking +# a shared library. +compiler_lib_search_path=$lt_compiler_lib_search_path + +# ### END LIBTOOL CONFIG + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + +ltmain="$ac_aux_dir/ltmain.sh" + + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + if test x"$xsi_shell" = xyes; then + sed -e '/^func_dirname ()$/,/^} # func_dirname /c\ +func_dirname ()\ +{\ +\ case ${1} in\ +\ */*) func_dirname_result="${1%/*}${2}" ;;\ +\ * ) func_dirname_result="${3}" ;;\ +\ esac\ +} # Extended-shell func_dirname implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_basename ()$/,/^} # func_basename /c\ +func_basename ()\ +{\ +\ func_basename_result="${1##*/}"\ +} # Extended-shell func_basename implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_dirname_and_basename ()$/,/^} # func_dirname_and_basename /c\ +func_dirname_and_basename ()\ +{\ +\ case ${1} in\ +\ */*) func_dirname_result="${1%/*}${2}" ;;\ +\ * ) func_dirname_result="${3}" ;;\ +\ esac\ +\ func_basename_result="${1##*/}"\ +} # Extended-shell func_dirname_and_basename implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_stripname ()$/,/^} # func_stripname /c\ +func_stripname ()\ +{\ +\ # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are\ +\ # positional parameters, so assign one to ordinary parameter first.\ +\ func_stripname_result=${3}\ +\ func_stripname_result=${func_stripname_result#"${1}"}\ +\ func_stripname_result=${func_stripname_result%"${2}"}\ +} # Extended-shell func_stripname implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_split_long_opt ()$/,/^} # func_split_long_opt /c\ +func_split_long_opt ()\ +{\ +\ func_split_long_opt_name=${1%%=*}\ +\ func_split_long_opt_arg=${1#*=}\ +} # Extended-shell func_split_long_opt implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_split_short_opt ()$/,/^} # func_split_short_opt /c\ +func_split_short_opt ()\ +{\ +\ func_split_short_opt_arg=${1#??}\ +\ func_split_short_opt_name=${1%"$func_split_short_opt_arg"}\ +} # Extended-shell func_split_short_opt implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_lo2o ()$/,/^} # func_lo2o /c\ +func_lo2o ()\ +{\ +\ case ${1} in\ +\ *.lo) func_lo2o_result=${1%.lo}.${objext} ;;\ +\ *) func_lo2o_result=${1} ;;\ +\ esac\ +} # Extended-shell func_lo2o implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_xform ()$/,/^} # func_xform /c\ +func_xform ()\ +{\ + func_xform_result=${1%.*}.lo\ +} # Extended-shell func_xform implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_arith ()$/,/^} # func_arith /c\ +func_arith ()\ +{\ + func_arith_result=$(( $* ))\ +} # Extended-shell func_arith implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_len ()$/,/^} # func_len /c\ +func_len ()\ +{\ + func_len_result=${#1}\ +} # Extended-shell func_len implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + +fi + +if test x"$lt_shell_append" = xyes; then + sed -e '/^func_append ()$/,/^} # func_append /c\ +func_append ()\ +{\ + eval "${1}+=\\${2}"\ +} # Extended-shell func_append implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_append_quoted ()$/,/^} # func_append_quoted /c\ +func_append_quoted ()\ +{\ +\ func_quote_for_eval "${2}"\ +\ eval "${1}+=\\\\ \\$func_quote_for_eval_result"\ +} # Extended-shell func_append_quoted implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + # Save a `func_append' function call where possible by direct use of '+=' + sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +else + # Save a `func_append' function call even when '+=' is not available + sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +fi + +if test x"$_lt_function_replace_fail" = x":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Unable to substitute extended shell functions in $ofile" >&5 +$as_echo "$as_me: WARNING: Unable to substitute extended shell functions in $ofile" >&2;} +fi + + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" + + + cat <<_LT_EOF >> "$ofile" + +# ### BEGIN LIBTOOL TAG CONFIG: CXX + +# The linker used to build libraries. +LD=$lt_LD_CXX + +# How to create reloadable object files. +reload_flag=$lt_reload_flag_CXX +reload_cmds=$lt_reload_cmds_CXX + +# Commands used to build an old-style archive. +old_archive_cmds=$lt_old_archive_cmds_CXX + +# A language specific compiler. +CC=$lt_compiler_CXX + +# Is the compiler the GNU compiler? +with_gcc=$GCC_CXX + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_CXX + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic_CXX + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl_CXX + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static_CXX + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o_CXX + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc_CXX + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_CXX + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_CXX + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec_CXX + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object_CXX + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_CXX + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_CXX + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds_CXX +archive_expsym_cmds=$lt_archive_expsym_cmds_CXX + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds_CXX +module_expsym_cmds=$lt_module_expsym_cmds_CXX + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld_CXX + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag_CXX + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag_CXX + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_CXX + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator_CXX + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct_CXX + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \${shlibpath_var} if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute_CXX + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L_CXX + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var_CXX + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic_CXX + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath_CXX + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs_CXX + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols_CXX + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds_CXX + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms_CXX + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms_CXX + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds_CXX + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds_CXX + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec_CXX + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action_CXX + +# The directories searched by this compiler when creating a shared library. +compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_CXX + +# Dependencies to place before and after the objects being linked to +# create a shared library. +predep_objects=$lt_predep_objects_CXX +postdep_objects=$lt_postdep_objects_CXX +predeps=$lt_predeps_CXX +postdeps=$lt_postdeps_CXX + +# The library search path used internally by the compiler when linking +# a shared library. +compiler_lib_search_path=$lt_compiler_lib_search_path_CXX + +# ### END LIBTOOL TAG CONFIG: CXX +_LT_EOF + + +as_fn_exit 0 +_LTEOF +chmod +x "$CONFIG_LT" + +# configure is writing to config.log, but config.lt does its own redirection, +# appending to config.log, which fails on DOS, as config.log is still kept +# open by configure. Here we exec the FD to /dev/null, effectively closing +# config.log, so it can be properly (re)opened and appended to by config.lt. +lt_cl_success=: +test "$silent" = yes && + lt_config_lt_args="$lt_config_lt_args --quiet" +exec 5>/dev/null +$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false +exec 5>>config.log +$lt_cl_success || as_fn_exit 1 + + +LIBM= +case $host in +*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) + # These system don't have libm, or don't need it + ;; +*-ncr-sysv4.3*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _mwvalidcheckl in -lmw" >&5 +$as_echo_n "checking for _mwvalidcheckl in -lmw... " >&6; } +if ${ac_cv_lib_mw__mwvalidcheckl+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lmw $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char _mwvalidcheckl (); +int +main () +{ +return _mwvalidcheckl (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_mw__mwvalidcheckl=yes +else + ac_cv_lib_mw__mwvalidcheckl=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mw__mwvalidcheckl" >&5 +$as_echo "$ac_cv_lib_mw__mwvalidcheckl" >&6; } +if test "x$ac_cv_lib_mw__mwvalidcheckl" = xyes; then : + LIBM="-lmw" +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cos in -lm" >&5 +$as_echo_n "checking for cos in -lm... " >&6; } +if ${ac_cv_lib_m_cos+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lm $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char cos (); +int +main () +{ +return cos (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_m_cos=yes +else + ac_cv_lib_m_cos=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_cos" >&5 +$as_echo "$ac_cv_lib_m_cos" >&6; } +if test "x$ac_cv_lib_m_cos" = xyes; then : + LIBM="$LIBM -lm" +fi + + ;; +*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for cos in -lm" >&5 +$as_echo_n "checking for cos in -lm... " >&6; } +if ${ac_cv_lib_m_cos+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lm $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char cos (); +int +main () +{ +return cos (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_m_cos=yes +else + ac_cv_lib_m_cos=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_cos" >&5 +$as_echo "$ac_cv_lib_m_cos" >&6; } +if test "x$ac_cv_lib_m_cos" = xyes; then : + LIBM="-lm" +fi + + ;; +esac + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if building for some Win32 platform" >&5 +$as_echo_n "checking if building for some Win32 platform... " >&6; } +case $host in #( + *-*-mingw*|*-*-cygwin*) : + + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -no-undefined" + platform_win32=yes + ;; #( + *) : + platform_win32=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $platform_win32" >&5 +$as_echo "$platform_win32" >&6; } + if test "$platform_win32" = "yes"; then + OS_WIN32_TRUE= + OS_WIN32_FALSE='#' +else + OS_WIN32_TRUE='#' + OS_WIN32_FALSE= +fi + + +ac_fn_c_check_header_mongrel "$LINENO" "OpenGL/gl.h" "ac_cv_header_OpenGL_gl_h" "$ac_includes_default" +if test "x$ac_cv_header_OpenGL_gl_h" = xyes; then : + platform_quartz=yes +else + platform_quartz=no +fi + + + if test "$platform_quartz" = "yes"; then + OS_QUARTZ_TRUE= + OS_QUARTZ_FALSE='#' +else + OS_QUARTZ_TRUE='#' + OS_QUARTZ_FALSE= +fi + + + + + +# Check whether --enable-installed_tests was given. +if test "${enable_installed_tests+set}" = set; then : + enableval=$enable_installed_tests; +else + enable_installed_tests=no +fi + + if test x$enable_installed_tests = xyes; then + ENABLE_INSTALLED_TESTS_TRUE= + ENABLE_INSTALLED_TESTS_FALSE='#' +else + ENABLE_INSTALLED_TESTS_TRUE='#' + ENABLE_INSTALLED_TESTS_FALSE= +fi + + + + +# Check whether --enable-emscripten was given. +if test "${enable_emscripten+set}" = set; then : + enableval=$enable_emscripten; +else + enable_emscripten=no + +fi + +if test "x$enable_emscripten" = "xyes"; then : + + enable_standalone=yes + enable_sdl=yes + enable_gles2=yes + enable_gl=no + +$as_echo "#define USING_EMSCRIPTEN 1" >>confdefs.h + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EMSCRIPTEN_SUPPORT" + + +fi + if test "$enable_emscripten" = "yes"; then + USING_EMSCRIPTEN_TRUE= + USING_EMSCRIPTEN_FALSE='#' +else + USING_EMSCRIPTEN_TRUE='#' + USING_EMSCRIPTEN_FALSE= +fi + + + + +# Check whether --enable-standalone was given. +if test "${enable_standalone+set}" = set; then : + enableval=$enable_standalone; +else + enable_standalone=no + +fi + +if test "x$enable_standalone" = "xyes"; then : + + enable_cairo=no + enable_glib=no + enable_cogl_pango=no + enable_nls=no + enable_gdk_pixbuf=no + + +fi + + +# Check whether --enable-debug was given. +if test "${enable_debug+set}" = set; then : + enableval=$enable_debug; +else + enable_debug=no + +fi + +case $enable_debug in #( + yes) : + + test "$cflags_set" = set || CFLAGS="$CFLAGS -g -O0" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -DCOGL_GL_DEBUG -DCOGL_OBJECT_DEBUG -DCOGL_ENABLE_DEBUG" + ;; #( + no) : + + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -DG_DISABLE_CHECKS -DG_DISABLE_CAST_CHECKS" + ;; #( + *) : + as_fn_error $? "Unknown argument for --enable-debug" "$LINENO" 5 + ;; +esac + + + +# Check whether --enable-unit-tests was given. +if test "${enable_unit_tests+set}" = set; then : + enableval=$enable_unit_tests; +else + enable_unit_tests=yes + +fi + +if test "x$enable_unit_tests" = "xyes"; then : + + +$as_echo "#define ENABLE_UNIT_TESTS 1" >>confdefs.h + + + +fi + if test "x$enable_unit_tests" = "xyes"; then + UNIT_TESTS_TRUE= + UNIT_TESTS_FALSE='#' +else + UNIT_TESTS_TRUE='#' + UNIT_TESTS_FALSE= +fi + + + + + + + + + + +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args. +set dummy ${ac_tool_prefix}pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +PKG_CONFIG=$ac_cv_path_PKG_CONFIG +if test -n "$PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5 +$as_echo "$PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_path_PKG_CONFIG"; then + ac_pt_PKG_CONFIG=$PKG_CONFIG + # Extract the first word of "pkg-config", so it can be a program name with args. +set dummy pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $ac_pt_PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG +if test -n "$ac_pt_PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5 +$as_echo "$ac_pt_PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_pt_PKG_CONFIG" = x; then + PKG_CONFIG="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + PKG_CONFIG=$ac_pt_PKG_CONFIG + fi +else + PKG_CONFIG="$ac_cv_path_PKG_CONFIG" +fi + +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=0.9.0 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5 +$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; } + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + PKG_CONFIG="" + fi +fi +if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"CAIRO\""; } >&5 + ($PKG_CONFIG --exists --print-errors "CAIRO") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + cairo >= 1.10 +else + have_cairo=yes +fi +# Check whether --enable-cairo was given. +if test "${enable_cairo+set}" = set; then : + enableval=$enable_cairo; +else + + if test "x$enable_debug" = "xyes"; then : + enable_cairo=$have_cairo +else + enable_cairo=no +fi + + +fi + +if test "x$enable_cairo" = "xyes" && test "x$enable_debug" = "xyes"; then : + + if test "x$have_cairo" != "xyes"; then : + as_fn_error $? "Could not find Cairo" "$LINENO" 5 +fi + + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES cairo >= 1.10" + +$as_echo "#define HAVE_CAIRO 1" >>confdefs.h + + +fi + + +# Check whether --enable-profile was given. +if test "${enable_profile+set}" = set; then : + enableval=$enable_profile; +else + enable_profile=no +fi + +if test "x$enable_profile" = "xyes"; then : + + if test "x$GCC" = "xyes"; then : + + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES uprof-0.3" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -DCOGL_ENABLE_PROFILE" + if test "x$enable_debug" = "xyes"; then : + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -DUPROF_DEBUG" +fi + +else + + as_fn_error $? "--enable-profile is currently only supported if using GCC" "$LINENO" 5 + +fi + +fi + if test "x$enable_profile" != "xno"; then + PROFILE_TRUE= + PROFILE_FALSE='#' +else + PROFILE_TRUE='#' + PROFILE_FALSE= +fi + + + + +# use strict compiler flags only when building from git; the rules for +# distcheck will take care of turning this on when making a release + +# Check whether --enable-maintainer-flags was given. +if test "${enable_maintainer_flags+set}" = set; then : + enableval=$enable_maintainer_flags; +else + enable_maintainer_flags=no + +fi + + +MAINTAINER_COMPILER_FLAGS="-Wall -Wcast-align -Wuninitialized + -Wno-strict-aliasing -Wempty-body -Wformat + -Wformat-security -Winit-self -Wundef + -Wdeclaration-after-statement -Wvla + -Wpointer-arith -Wmissing-declarations" + +case $enable_maintainer_flags in #( + yes) : + + + list=$MAINTAINER_COMPILER_FLAGS + flags_supported="" + flags_unsupported="" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for supported compiler flags" >&5 +$as_echo_n "checking for supported compiler flags... " >&6; } + for each in $list + do + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $each" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + flag_ok=yes +else + flag_ok=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS="$save_CFLAGS" + + if test "X$flag_ok" = Xyes ; then + flags_supported="$flags_supported $each" + else + flags_unsupported="$flags_unsupported $each" + fi + done + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $flags_supported" >&5 +$as_echo "$flags_supported" >&6; } + if test "X$flags_unsupported" != X ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unsupported compiler flags: $flags_unsupported" >&5 +$as_echo "$as_me: WARNING: unsupported compiler flags: $flags_unsupported" >&2;} + fi + MAINTAINER_CFLAGS="$MAINTAINER_CFLAGS $flags_supported" + + ;; #( + no) : + + ;; #( + error) : + + MAINTAINER_COMPILER_FLAGS="$MAINTAINER_COMPILER_FLAGS -Werror" + + list=$MAINTAINER_COMPILER_FLAGS + flags_supported="" + flags_unsupported="" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for supported compiler flags" >&5 +$as_echo_n "checking for supported compiler flags... " >&6; } + for each in $list + do + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $each" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + flag_ok=yes +else + flag_ok=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS="$save_CFLAGS" + + if test "X$flag_ok" = Xyes ; then + flags_supported="$flags_supported $each" + else + flags_unsupported="$flags_unsupported $each" + fi + done + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $flags_supported" >&5 +$as_echo "$flags_supported" >&6; } + if test "X$flags_unsupported" != X ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unsupported compiler flags: $flags_unsupported" >&5 +$as_echo "$as_me: WARNING: unsupported compiler flags: $flags_unsupported" >&2;} + fi + MAINTAINER_CFLAGS="$MAINTAINER_CFLAGS $flags_supported" + + ;; #( + *) : + as_fn_error $? "Invalid option for --enable-maintainer-flags" "$LINENO" 5 + ;; #( + *) : + ;; +esac + +# strip leading spaces +COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS ${MAINTAINER_CFLAGS#* }" + + + +# disable deprecated options from Glib only when building from git; +# the rules for distcheck will take care of turning this on when +# making a release + + +# Check whether --enable-deprecated was given. +if test "${enable_deprecated+set}" = set; then : + enableval=$enable_deprecated; +else + enable_deprecated=yes +fi + + +case $enable_deprecated in #( + no) : + + DEPRECATED_CFLAGS="-DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES" + ;; #( + yes) : + + DEPRECATED_CFLAGS="" + ;; #( + *) : + as_fn_error $? "Unknown argument for --enable-deprecated" "$LINENO" 5 + ;; +esac + +# strip leading spaces +COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS ${DEPRECATED_CFLAGS#* }" + + +if test "x$enable_standalone" = "xno"; then : + + # Check whether --enable-glibtest was given. +if test "${enable_glibtest+set}" = set; then : + enableval=$enable_glibtest; +else + enable_glibtest=yes +fi + + + pkg_config_args=glib-2.0 + for module in . gobject gthread gmodule-no-export + do + case "$module" in + gmodule) + pkg_config_args="$pkg_config_args gmodule-2.0" + ;; + gmodule-no-export) + pkg_config_args="$pkg_config_args gmodule-no-export-2.0" + ;; + gobject) + pkg_config_args="$pkg_config_args gobject-2.0" + ;; + gthread) + pkg_config_args="$pkg_config_args gthread-2.0" + ;; + gio*) + pkg_config_args="$pkg_config_args $module-2.0" + ;; + esac + done + + + + + + + + +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args. +set dummy ${ac_tool_prefix}pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +PKG_CONFIG=$ac_cv_path_PKG_CONFIG +if test -n "$PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5 +$as_echo "$PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_path_PKG_CONFIG"; then + ac_pt_PKG_CONFIG=$PKG_CONFIG + # Extract the first word of "pkg-config", so it can be a program name with args. +set dummy pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $ac_pt_PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG +if test -n "$ac_pt_PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5 +$as_echo "$ac_pt_PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_pt_PKG_CONFIG" = x; then + PKG_CONFIG="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + PKG_CONFIG=$ac_pt_PKG_CONFIG + fi +else + PKG_CONFIG="$ac_cv_path_PKG_CONFIG" +fi + +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=0.16 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5 +$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; } + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + PKG_CONFIG="" + fi +fi + + no_glib="" + + if test "x$PKG_CONFIG" = x ; then + no_glib=yes + PKG_CONFIG=no + fi + + min_glib_version=2.32.0 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GLIB - version >= $min_glib_version" >&5 +$as_echo_n "checking for GLIB - version >= $min_glib_version... " >&6; } + + if test x$PKG_CONFIG != xno ; then + ## don't try to run the test against uninstalled libtool libs + if $PKG_CONFIG --uninstalled $pkg_config_args; then + echo "Will use uninstalled version of GLib found in PKG_CONFIG_PATH" + enable_glibtest=no + fi + + if $PKG_CONFIG --atleast-version $min_glib_version $pkg_config_args; then + : + else + no_glib=yes + fi + fi + + if test x"$no_glib" = x ; then + GLIB_GENMARSHAL=`$PKG_CONFIG --variable=glib_genmarshal glib-2.0` + GOBJECT_QUERY=`$PKG_CONFIG --variable=gobject_query glib-2.0` + GLIB_MKENUMS=`$PKG_CONFIG --variable=glib_mkenums glib-2.0` + GLIB_COMPILE_RESOURCES=`$PKG_CONFIG --variable=glib_compile_resources gio-2.0` + + GLIB_CFLAGS=`$PKG_CONFIG --cflags $pkg_config_args` + GLIB_LIBS=`$PKG_CONFIG --libs $pkg_config_args` + glib_config_major_version=`$PKG_CONFIG --modversion glib-2.0 | \ + sed 's/\([0-9]*\).\([0-9]*\).\([0-9]*\)/\1/'` + glib_config_minor_version=`$PKG_CONFIG --modversion glib-2.0 | \ + sed 's/\([0-9]*\).\([0-9]*\).\([0-9]*\)/\2/'` + glib_config_micro_version=`$PKG_CONFIG --modversion glib-2.0 | \ + sed 's/\([0-9]*\).\([0-9]*\).\([0-9]*\)/\3/'` + if test "x$enable_glibtest" = "xyes" ; then + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $GLIB_CFLAGS" + LIBS="$GLIB_LIBS $LIBS" + rm -f conf.glibtest + if test "$cross_compiling" = yes; then : + echo $ac_n "cross compiling; assumed OK... $ac_c" +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +#include + +int +main () +{ + unsigned int major, minor, micro; + + fclose (fopen ("conf.glibtest", "w")); + + if (sscanf("$min_glib_version", "%u.%u.%u", &major, &minor, µ) != 3) { + printf("%s, bad version string\n", "$min_glib_version"); + exit(1); + } + + if ((glib_major_version != $glib_config_major_version) || + (glib_minor_version != $glib_config_minor_version) || + (glib_micro_version != $glib_config_micro_version)) + { + printf("\n*** 'pkg-config --modversion glib-2.0' returned %d.%d.%d, but GLIB (%d.%d.%d)\n", + $glib_config_major_version, $glib_config_minor_version, $glib_config_micro_version, + glib_major_version, glib_minor_version, glib_micro_version); + printf ("*** was found! If pkg-config was correct, then it is best\n"); + printf ("*** to remove the old version of GLib. You may also be able to fix the error\n"); + printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n"); + printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); + printf("*** required on your system.\n"); + printf("*** If pkg-config was wrong, set the environment variable PKG_CONFIG_PATH\n"); + printf("*** to point to the correct configuration files\n"); + } + else if ((glib_major_version != GLIB_MAJOR_VERSION) || + (glib_minor_version != GLIB_MINOR_VERSION) || + (glib_micro_version != GLIB_MICRO_VERSION)) + { + printf("*** GLIB header files (version %d.%d.%d) do not match\n", + GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION); + printf("*** library (version %d.%d.%d)\n", + glib_major_version, glib_minor_version, glib_micro_version); + } + else + { + if ((glib_major_version > major) || + ((glib_major_version == major) && (glib_minor_version > minor)) || + ((glib_major_version == major) && (glib_minor_version == minor) && (glib_micro_version >= micro))) + { + return 0; + } + else + { + printf("\n*** An old version of GLIB (%u.%u.%u) was found.\n", + glib_major_version, glib_minor_version, glib_micro_version); + printf("*** You need a version of GLIB newer than %u.%u.%u. The latest version of\n", + major, minor, micro); + printf("*** GLIB is always available from ftp://ftp.gtk.org.\n"); + printf("***\n"); + printf("*** If you have already installed a sufficiently new version, this error\n"); + printf("*** probably means that the wrong copy of the pkg-config shell script is\n"); + printf("*** being found. The easiest way to fix this is to remove the old version\n"); + printf("*** of GLIB, but you can also set the PKG_CONFIG environment to point to the\n"); + printf("*** correct copy of pkg-config. (In this case, you will have to\n"); + printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n"); + printf("*** so that the correct libraries are found at run-time))\n"); + } + } + return 1; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + no_glib=yes +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + if test "x$no_glib" = x ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes (version $glib_config_major_version.$glib_config_minor_version.$glib_config_micro_version)" >&5 +$as_echo "yes (version $glib_config_major_version.$glib_config_minor_version.$glib_config_micro_version)" >&6; } + have_glib=yes + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + if test "$PKG_CONFIG" = "no" ; then + echo "*** A new enough version of pkg-config was not found." + echo "*** See http://www.freedesktop.org/software/pkgconfig/" + else + if test -f conf.glibtest ; then + : + else + echo "*** Could not run GLIB test program, checking why..." + ac_save_CFLAGS="$CFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $GLIB_CFLAGS" + LIBS="$LIBS $GLIB_LIBS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include + +int +main () +{ + return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding GLIB or finding the wrong" + echo "*** version of GLIB. If it is not finding GLIB, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" +else + echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occured. This usually means GLIB is incorrectly installed." +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + GLIB_CFLAGS="" + GLIB_LIBS="" + GLIB_GENMARSHAL="" + GOBJECT_QUERY="" + GLIB_MKENUMS="" + GLIB_COMPILE_RESOURCES="" + have_glib=no + fi + + + + + + + rm -f conf.glibtest + + # Check whether --enable-glib was given. +if test "${enable_glib+set}" = set; then : + enableval=$enable_glib; +else + enable_glib=yes + +fi + + + if test "x$have_glib" = "xno" && test "x$enable_glib" = "xyes"; then : + as_fn_error $? "gobject-2.0 is required" "$LINENO" 5 +fi + +else + enable_glib=no + +fi + + if test "x$enable_glib" = "xyes"; then + USE_GLIB_TRUE= + USE_GLIB_FALSE='#' +else + USE_GLIB_TRUE='#' + USE_GLIB_FALSE= +fi + + +if test "x$enable_glib" = "xyes"; then : + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLIB_SUPPORT" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GTYPE_SUPPORT" + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES gobject-2.0 gmodule-no-export-2.0" + +else + + + + + + + + + + +GLIB_MAJOR_VERSION=2 +GLIB_MINOR_VERSION=30 +GLIB_MICRO_VERSION=2 +GLIB_INTERFACE_AGE=0 +GLIB_BINARY_AGE=3002 +GLIB_VERSION=2.30.2 + + + + + + + + + +$as_echo "#define GLIB_INTERFACE_AGE 0" >>confdefs.h + + +$as_echo "#define GLIB_BINARY_AGE 3002" >>confdefs.h + + +enable_included_printf=no + +$as_echo "#define HAVE_GOOD_PRINTF 1" >>confdefs.h + + +glib_win32_static_compilation=no + +want_threads=yes + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Win32" >&5 +$as_echo_n "checking for Win32... " >&6; } +LIB_EXE_MACHINE_FLAG=X86 +case "$host" in + *-*-mingw*) + glib_native_win32=yes + glib_pid_type='void *' + glib_cv_stack_grows=no + # Unfortunately the mingw implementations of C99-style snprintf and vsnprintf + # don't seem to be quite good enough, at least not in mingw-runtime-3.14. + # (Sorry, I don't know exactly what is the problem, but it is related to + # floating point formatting and decimal point vs. comma.) + # The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't + # rigorous enough to notice, though. + # So preset the autoconf cache variables. + ac_cv_func_vsnprintf_c99=no + ac_cv_func_snprintf_c99=no + case "$host" in + x86_64-*-*) + LIB_EXE_MACHINE_FLAG=X64 + ;; + esac + ;; + *) + glib_native_win32=no + glib_pid_type=int + ;; +esac +case $host in + *-*-linux*) + glib_os_linux=yes + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_native_win32" >&5 +$as_echo "$glib_native_win32" >&6; } + + + +glib_have_carbon=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Mac OS X Carbon support" >&5 +$as_echo_n "checking for Mac OS X Carbon support... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include + +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + glib_have_carbon=yes +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_have_carbon" >&5 +$as_echo "$glib_have_carbon" >&6; } + +for ac_header in limits.h float.h values.h alloca.h sys/poll.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_func in atexit on_exit memmove +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of char" >&5 +$as_echo_n "checking size of char... " >&6; } +if ${ac_cv_sizeof_char+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (char))" "ac_cv_sizeof_char" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_char" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (char) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_char=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_char" >&5 +$as_echo "$ac_cv_sizeof_char" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_CHAR $ac_cv_sizeof_char +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of short" >&5 +$as_echo_n "checking size of short... " >&6; } +if ${ac_cv_sizeof_short+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (short))" "ac_cv_sizeof_short" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_short" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (short) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_short=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_short" >&5 +$as_echo "$ac_cv_sizeof_short" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_SHORT $ac_cv_sizeof_short +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long" >&5 +$as_echo_n "checking size of long... " >&6; } +if ${ac_cv_sizeof_long+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_long" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (long) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_long=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5 +$as_echo "$ac_cv_sizeof_long" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_LONG $ac_cv_sizeof_long +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int" >&5 +$as_echo_n "checking size of int... " >&6; } +if ${ac_cv_sizeof_int+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_int" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (int) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_int=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_int" >&5 +$as_echo "$ac_cv_sizeof_int" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_INT $ac_cv_sizeof_int +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5 +$as_echo_n "checking size of void *... " >&6; } +if ${ac_cv_sizeof_void_p+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_void_p" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (void *) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_void_p=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5 +$as_echo "$ac_cv_sizeof_void_p" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_VOID_P $ac_cv_sizeof_void_p +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5 +$as_echo_n "checking size of long long... " >&6; } +if ${ac_cv_sizeof_long_long+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_long_long" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (long long) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_long_long=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long_long" >&5 +$as_echo "$ac_cv_sizeof_long_long" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_LONG_LONG $ac_cv_sizeof_long_long +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of __int64" >&5 +$as_echo_n "checking size of __int64... " >&6; } +if ${ac_cv_sizeof___int64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (__int64))" "ac_cv_sizeof___int64" "$ac_includes_default"; then : + +else + if test "$ac_cv_type___int64" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (__int64) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof___int64=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof___int64" >&5 +$as_echo "$ac_cv_sizeof___int64" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF___INT64 $ac_cv_sizeof___int64 +_ACEOF + + + +if test x$ac_cv_sizeof_long = x8 || test x$ac_cv_sizeof_long_long = x8 || test x$ac_cv_sizeof___int64 = x8 ; then + : +else + as_fn_error $? " +*** GLib requires a 64 bit type. You might want to consider +*** using the GNU C compiler. +" "$LINENO" 5 +fi + +if test x$glib_native_win32 != xyes && test x$ac_cv_sizeof_long_long = x8; then + # long long is a 64 bit integer. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for format to printf and scanf a guint64" >&5 +$as_echo_n "checking for format to printf and scanf a guint64... " >&6; } + if ${glib_cv_long_long_format+:} false; then : + $as_echo_n "(cached) " >&6 +else + + for format in ll q I64; do + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + int main() + { + long long b, a = -0x3AFAFAFAFAFAFAFALL; + char buffer[1000]; + sprintf (buffer, "%${format}u", a); + sscanf (buffer, "%${format}u", &b); + exit (b!=a); + } + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + glib_cv_long_long_format=${format} + break +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + done +fi + + if test -n "$glib_cv_long_long_format"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: %${glib_cv_long_long_format}u" >&5 +$as_echo "%${glib_cv_long_long_format}u" >&6; } + +$as_echo "#define HAVE_LONG_LONG_FORMAT 1" >>confdefs.h + + if test x"$glib_cv_long_long_format" = xI64; then + +$as_echo "#define HAVE_INT64_AND_I64 1" >>confdefs.h + + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } + fi +elif test x$ac_cv_sizeof___int64 = x8; then + # __int64 is a 64 bit integer. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for format to printf and scanf a guint64" >&5 +$as_echo_n "checking for format to printf and scanf a guint64... " >&6; } + # We know this is MSVCRT.DLL, and what the formats are + glib_cv_long_long_format=I64 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: %${glib_cv_long_long_format}u" >&5 +$as_echo "%${glib_cv_long_long_format}u" >&6; } + +$as_echo "#define HAVE_LONG_LONG_FORMAT 1" >>confdefs.h + + +$as_echo "#define HAVE_INT64_AND_I64 1" >>confdefs.h + +fi + +# check additional type sizes +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of size_t" >&5 +$as_echo_n "checking size of size_t... " >&6; } +if ${ac_cv_sizeof_size_t+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (size_t))" "ac_cv_sizeof_size_t" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_size_t" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (size_t) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_size_t=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_size_t" >&5 +$as_echo "$ac_cv_sizeof_size_t" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_SIZE_T $ac_cv_sizeof_size_t +_ACEOF + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the appropriate definition for size_t" >&5 +$as_echo_n "checking for the appropriate definition for size_t... " >&6; } + +case $ac_cv_sizeof_size_t in + $ac_cv_sizeof_short) + glib_size_type=short + ;; + $ac_cv_sizeof_int) + glib_size_type=int + ;; + $ac_cv_sizeof_long) + glib_size_type=long + ;; + $ac_cv_sizeof_long_long) + glib_size_type='long long' + ;; + $ac_cv_sizeof__int64) + glib_size_type='__int64' + ;; + *) as_fn_error $? "No type matching size_t in size" "$LINENO" 5 + ;; +esac + +if test $ac_cv_sizeof_size_t = $ac_cv_sizeof_int && + test $ac_cv_sizeof_size_t = $ac_cv_sizeof_long ; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#if defined(_AIX) && !defined(__GNUC__) +#pragma options langlvl=stdc89 +#endif +#include +int main () +{ + size_t s = 1; + unsigned int *size_int = &s; + return (int)*size_int; +} + +_ACEOF +rm -f conftest.$ac_objext +glib_ac_compile_save="$ac_compile" +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext' +if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && + { ac_try='(if test -s conftest.err; then false ; else true; fi)' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + glib_size_type=int +else + echo "$as_me: failed program was:" >&5 +cat conftest.$ac_ext >&5 +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#if defined(_AIX) && !defined(__GNUC__) +#pragma options langlvl=stdc89 +#endif +#include +int main () +{ + size_t s = 1; + unsigned long *size_long = &s; + return (int)*size_long; +} + +_ACEOF +rm -f conftest.$ac_objext +glib_ac_compile_save="$ac_compile" +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext' +if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && + { ac_try='(if test -s conftest.err; then false ; else true; fi)' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + glib_size_type=long +else + echo "$as_me: failed program was:" >&5 +cat conftest.$ac_ext >&5 +fi +ac_compile="$glib_ac_compile_save" +rm -f conftest.$ac_objext conftest.err conftest.$ac_ext +fi +ac_compile="$glib_ac_compile_save" +rm -f conftest.$ac_objext conftest.err conftest.$ac_ext +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: unsigned $glib_size_type" >&5 +$as_echo "unsigned $glib_size_type" >&6; } + +# Check for some functions +for ac_func in lstat strerror strsignal memmove vsnprintf stpcpy strcasecmp strncasecmp poll getcwd vasprintf setenv unsetenv getc_unlocked readlink symlink fdwalk memmem +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +for ac_func in chown lchmod lchown fchmod fchown link utimes getgrgid getpwuid +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +for ac_func in getmntent_r setmntent endmntent hasmntopt getfsstat getvfsstat +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +# Check for high-resolution sleep functions +for ac_func in splice +do : + ac_fn_c_check_func "$LINENO" "splice" "ac_cv_func_splice" +if test "x$ac_cv_func_splice" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_SPLICE 1 +_ACEOF + +fi +done + + +# Check if bcopy can be used for overlapping copies, if memmove isn't found. +# The check is borrowed from the PERL Configure script. +if test "$ac_cv_func_memmove" != "yes"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether bcopy can handle overlapping copies" >&5 +$as_echo_n "checking whether bcopy can handle overlapping copies... " >&6; } +if ${glib_cv_working_bcopy+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + int main() { + char buf[128], abc[128], *b; + int len, off, align; + bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36); + for (align = 7; align >= 0; align--) { + for (len = 36; len; len--) { + b = buf+align; bcopy(abc, b, len); + for (off = 1; off <= len; off++) { + bcopy(b, b+off, len); bcopy(b+off, b, len); + if (bcmp(b, abc, len)) return(1); + } + } + } + return(0); + } +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + glib_cv_working_bcopy=yes +else + glib_cv_working_bcopy=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_working_bcopy" >&5 +$as_echo "$glib_cv_working_bcopy" >&6; } + + if test "x${glib_cv_working_bcopy+set}" != "xset" ; then + as_fn_error $? "glib_cv_working_bcopy must be set in cache file when cross-compiling." "$LINENO" 5 +fi + + if test "$glib_cv_working_bcopy" = "yes"; then + +$as_echo "#define HAVE_WORKING_BCOPY 1" >>confdefs.h + + fi +fi + +# Check for sys_errlist +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sys_errlist" >&5 +$as_echo_n "checking for sys_errlist... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +extern char *sys_errlist[]; +extern int sys_nerr; +sys_errlist[sys_nerr-1][0] = 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + glib_ok=yes +else + glib_ok=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_ok" >&5 +$as_echo "$glib_ok" >&6; } +if test "$glib_ok" = "no"; then + +$as_echo "#define NO_SYS_ERRLIST 1" >>confdefs.h + +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an implementation of va_copy()" >&5 +$as_echo_n "checking for an implementation of va_copy()... " >&6; } +if ${glib_cv_va_copy+:} false; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include + void f (int i, ...) { + va_list args1, args2; + va_start (args1, i); + va_copy (args2, args1); + if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42) + exit (1); + va_end (args1); va_end (args2); + } + int main() { + f (0, 42); + return 0; + } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + glib_cv_va_copy=yes +else + glib_cv_va_copy=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_va_copy" >&5 +$as_echo "$glib_cv_va_copy" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an implementation of __va_copy()" >&5 +$as_echo_n "checking for an implementation of __va_copy()... " >&6; } +if ${glib_cv___va_copy+:} false; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include + void f (int i, ...) { + va_list args1, args2; + va_start (args1, i); + __va_copy (args2, args1); + if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42) + exit (1); + va_end (args1); va_end (args2); + } + int main() { + f (0, 42); + return 0; + } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + glib_cv___va_copy=yes +else + glib_cv___va_copy=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv___va_copy" >&5 +$as_echo "$glib_cv___va_copy" >&6; } + +if test "x$glib_cv_va_copy" = "xyes"; then + g_va_copy_func=va_copy +else if test "x$glib_cv___va_copy" = "xyes"; then + g_va_copy_func=__va_copy +fi +fi + +if test -n "$g_va_copy_func"; then + +cat >>confdefs.h <<_ACEOF +#define G_VA_COPY $g_va_copy_func +_ACEOF + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether va_lists can be copied by value" >&5 +$as_echo_n "checking whether va_lists can be copied by value... " >&6; } +if ${glib_cv_va_val_copy+:} false; then : + $as_echo_n "(cached) " >&6 +else + + if test "$cross_compiling" = yes; then : + glib_cv_va_val_copy=yes +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include + void f (int i, ...) { + va_list args1, args2; + va_start (args1, i); + args2 = args1; + if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42) + exit (1); + va_end (args1); va_end (args2); + } + int main() { + f (0, 42); + return 0; + } +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + glib_cv_va_val_copy=yes +else + glib_cv_va_val_copy=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_va_val_copy" >&5 +$as_echo "$glib_cv_va_val_copy" >&6; } + +if test "x$glib_cv_va_val_copy" = "xno"; then + +$as_echo "#define G_VA_COPY_AS_ARRAY 1" >>confdefs.h + +fi + +G_MODULE_LIBS= +G_MODULE_LIBS_EXTRA= +G_MODULE_PLUGIN_LIBS= +if test x"$glib_native_win32" = xyes; then + G_MODULE_LDFLAGS= +else + export SED + G_MODULE_LDFLAGS=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh` +fi +G_MODULE_NEED_USCORE=0 +G_MODULE_BROKEN_RTLD_GLOBAL=0 +G_MODULE_HAVE_DLERROR=0 +if test -z "$G_MODULE_IMPL"; then + case "$host" in + *-*-mingw*|*-*-cygwin*) G_MODULE_IMPL=G_MODULE_IMPL_WIN32 ;; + esac +fi +if test -z "$G_MODULE_IMPL"; then + case "$host" in + *-*-aix*) G_MODULE_IMPL=G_MODULE_IMPL_AR ;; + esac +fi +if test -z "$G_MODULE_IMPL"; then + ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" +if test "x$ac_cv_func_dlopen" = xyes; then : + ac_fn_c_check_func "$LINENO" "dlsym" "ac_cv_func_dlsym" +if test "x$ac_cv_func_dlsym" = xyes; then : + G_MODULE_IMPL=G_MODULE_IMPL_DL +fi + +fi + +fi +if test -z "$G_MODULE_IMPL" && test "x$glib_native_beos" = "xyes"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for load_image in -lroot" >&5 +$as_echo_n "checking for load_image in -lroot... " >&6; } +if ${ac_cv_lib_root_load_image+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lroot $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char load_image (); +int +main () +{ +return load_image (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_root_load_image=yes +else + ac_cv_lib_root_load_image=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_root_load_image" >&5 +$as_echo "$ac_cv_lib_root_load_image" >&6; } +if test "x$ac_cv_lib_root_load_image" = xyes; then : + G_MODULE_LIBS="-lbe -lroot -lglib-2.0 " + G_MODULE_LIBS_EXTRA="-L\$(top_builddir_full)/.libs" + G_MODULE_PLUGIN_LIBS="-L\$(top_builddir_full)/gmodule/.libs -lgmodule" + G_MODULE_IMPL=G_MODULE_IMPL_BEOS +fi + +fi +if test -z "$G_MODULE_IMPL"; then + ac_fn_c_check_func "$LINENO" "NSLinkModule" "ac_cv_func_NSLinkModule" +if test "x$ac_cv_func_NSLinkModule" = xyes; then : + G_MODULE_IMPL=G_MODULE_IMPL_DYLD + G_MODULE_NEED_USCORE=1 +fi + +fi +if test -z "$G_MODULE_IMPL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlsym in -ldl" >&5 +$as_echo_n "checking for dlsym in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlsym+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlsym (); +int +main () +{ +return dlsym (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlsym=yes +else + ac_cv_lib_dl_dlsym=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlsym" >&5 +$as_echo "$ac_cv_lib_dl_dlsym" >&6; } +if test "x$ac_cv_lib_dl_dlsym" = xyes; then : + G_MODULE_LIBS=-ldl + G_MODULE_IMPL=G_MODULE_IMPL_DL +fi + +fi + +fi +if test -z "$G_MODULE_IMPL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 +$as_echo_n "checking for shl_load in -ldld... " >&6; } +if ${ac_cv_lib_dld_shl_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char shl_load (); +int +main () +{ +return shl_load (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_shl_load=yes +else + ac_cv_lib_dld_shl_load=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 +$as_echo "$ac_cv_lib_dld_shl_load" >&6; } +if test "x$ac_cv_lib_dld_shl_load" = xyes; then : + G_MODULE_LIBS=-ldld + G_MODULE_IMPL=G_MODULE_IMPL_DLD +fi + +fi +if test "$G_MODULE_IMPL" = "G_MODULE_IMPL_DL"; then + LIBS_orig="$LIBS" + LDFLAGS_orig="$LDFLAGS" + LIBS="$G_MODULE_LIBS $LIBS" + LDFLAGS="$LDFLAGS $G_MODULE_LDFLAGS" + echo "void glib_plugin_test(void) { }" > plugin.c + ${SHELL} ./libtool --mode=compile ${CC} -shared \ + -export-dynamic -o plugin.o plugin.c 2>&1 >/dev/null + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for RTLD_GLOBAL brokenness" >&5 +$as_echo_n "checking for RTLD_GLOBAL brokenness... " >&6; } +if ${glib_cv_rtldglobal_broken+:} false; then : + $as_echo_n "(cached) " >&6 +else + + if test "$cross_compiling" = yes; then : + glib_cv_rtldglobal_broken=no +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#ifndef RTLD_GLOBAL +# define RTLD_GLOBAL 0 +#endif +#ifndef RTLD_LAZY +# define RTLD_LAZY 0 +#endif +int glib_plugin_test; +int main () { + void *handle, *global, *local; + global = &glib_plugin_test; + handle = dlopen ("./.libs/plugin.o", RTLD_GLOBAL | RTLD_LAZY); + if (!handle) return 0; + local = dlsym (handle, "glib_plugin_test"); + return global == local; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + glib_cv_rtldglobal_broken=no +else + glib_cv_rtldglobal_broken=yes +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + rm -f plugin.c plugin.o plugin.lo .libs/plugin.o + rmdir .libs 2>/dev/null + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_rtldglobal_broken" >&5 +$as_echo "$glib_cv_rtldglobal_broken" >&6; } + if test "x$glib_cv_rtldglobal_broken" = "xyes"; then + G_MODULE_BROKEN_RTLD_GLOBAL=1 + else + G_MODULE_BROKEN_RTLD_GLOBAL=0 + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for preceeding underscore in symbols" >&5 +$as_echo_n "checking for preceeding underscore in symbols... " >&6; } +if ${glib_cv_uscore+:} false; then : + $as_echo_n "(cached) " >&6 +else + + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + int glib_underscore_test (void) { return 42; } + int main() { + void *f1 = (void*)0, *f2 = (void*)0, *handle; + handle = dlopen ((void*)0, 0); + if (handle) { + f1 = dlsym (handle, "glib_underscore_test"); + f2 = dlsym (handle, "_glib_underscore_test"); + } return (!f2 || f1); + } +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + glib_cv_uscore=yes +else + glib_cv_uscore=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + rm -f plugin.c plugin.$ac_objext plugin.lo + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_uscore" >&5 +$as_echo "$glib_cv_uscore" >&6; } + if test "x${glib_cv_uscore+set}" != "xset" ; then + as_fn_error $? "glib_cv_uscore must be set in cache file when cross-compiling." "$LINENO" 5 +fi + + if test "x$glib_cv_uscore" = "xyes"; then + G_MODULE_NEED_USCORE=1 + else + G_MODULE_NEED_USCORE=0 + fi + + LDFLAGS="$LDFLAGS_orig" + ac_fn_c_check_func "$LINENO" "dlerror" "ac_cv_func_dlerror" +if test "x$ac_cv_func_dlerror" = xyes; then : + G_MODULE_HAVE_DLERROR=1 +else + G_MODULE_HAVE_DLERROR=0 +fi + + LIBS="$LIBS_orig" +fi +if test -z "$G_MODULE_IMPL"; then + G_MODULE_IMPL=0 + G_MODULE_SUPPORTED=false +else + G_MODULE_SUPPORTED=true +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for the suffix of module shared libraries" >&5 +$as_echo_n "checking for the suffix of module shared libraries... " >&6; } +export SED +shrext_cmds=`./libtool --config | grep '^shrext_cmds='` +eval $shrext_cmds +module=yes eval std_shrext=$shrext_cmds +# chop the initial dot +glib_gmodule_suffix=`echo $std_shrext | sed 's/^\.//'` +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: .$glib_gmodule_suffix" >&5 +$as_echo ".$glib_gmodule_suffix" >&6; } +# any reason it may fail? +if test "x$glib_gmodule_suffix" = x; then + as_fn_error $? "Cannot determine shared library suffix from libtool" "$LINENO" 5 +fi + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __inline" >&5 +$as_echo_n "checking for __inline... " >&6; } +if ${glib_cv_has__inline+:} false; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + __inline int foo () { return 0; } + int main () { return foo (); } + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + glib_cv_has__inline=yes + +else + glib_cv_has__inline=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_has__inline" >&5 +$as_echo "$glib_cv_has__inline" >&6; } +case x$glib_cv_has__inline in +xyes) +$as_echo "#define G_HAVE___INLINE 1" >>confdefs.h + +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __inline__" >&5 +$as_echo_n "checking for __inline__... " >&6; } +if ${glib_cv_has__inline__+:} false; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + __inline__ int foo () { return 0; } + int main () { return foo (); } + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + glib_cv_has__inline__=yes + +else + glib_cv_has__inline__=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_has__inline__" >&5 +$as_echo "$glib_cv_has__inline__" >&6; } +case x$glib_cv_has__inline__ in +xyes) +$as_echo "#define G_HAVE___INLINE__ 1" >>confdefs.h + +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5 +$as_echo_n "checking for inline... " >&6; } +if ${glib_cv_hasinline+:} false; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #undef inline + inline int foo () { return 0; } + int main () { return foo (); } + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + glib_cv_hasinline=yes + +else + glib_cv_hasinline=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_hasinline" >&5 +$as_echo "$glib_cv_hasinline" >&6; } +case x$glib_cv_hasinline in +xyes) +$as_echo "#define G_HAVE_INLINE 1" >>confdefs.h + +esac + +# if we can use inline functions in headers +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if inline functions in headers work" >&5 +$as_echo_n "checking if inline functions in headers work... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#if defined (G_HAVE_INLINE) && defined (__GNUC__) && defined (__STRICT_ANSI__) +# undef inline +# define inline __inline__ +#elif !defined (G_HAVE_INLINE) +# undef inline +# if defined (G_HAVE___INLINE__) +# define inline __inline__ +# elif defined (G_HAVE___INLINE) +# define inline __inline +# endif +#endif + +int glib_test_func2 (int); + +static inline int +glib_test_func1 (void) { + return glib_test_func2 (1); +} + +int +main (void) { + int i = 1; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + g_can_inline=yes +else + g_can_inline=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $g_can_inline" >&5 +$as_echo "$g_can_inline" >&6; } + +# check for flavours of varargs macros +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 varargs macros in C" >&5 +$as_echo_n "checking for ISO C99 varargs macros in C... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +int a(int p1, int p2, int p3); +#define call_a(...) a(1,__VA_ARGS__) +call_a(2,3); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + g_have_iso_c_varargs=yes +else + g_have_iso_c_varargs=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $g_have_iso_c_varargs" >&5 +$as_echo "$g_have_iso_c_varargs" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ISO C99 varargs macros in C++" >&5 +$as_echo_n "checking for ISO C99 varargs macros in C++... " >&6; } +if test "$CXX" = ""; then + g_have_iso_cxx_varargs=no +else + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +int a(int p1, int p2, int p3); +#define call_a(...) a(1,__VA_ARGS__) +call_a(2,3); + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_compile "$LINENO"; then : + g_have_iso_cxx_varargs=yes +else + g_have_iso_cxx_varargs=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $g_have_iso_cxx_varargs" >&5 +$as_echo "$g_have_iso_cxx_varargs" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNUC varargs macros" >&5 +$as_echo_n "checking for GNUC varargs macros... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +int a(int p1, int p2, int p3); +#define call_a(params...) a(1,params) +call_a(2,3); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + g_have_gnuc_varargs=yes +else + g_have_gnuc_varargs=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $g_have_gnuc_varargs" >&5 +$as_echo "$g_have_gnuc_varargs" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for EILSEQ" >&5 +$as_echo_n "checking for EILSEQ... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include + +int +main () +{ + +int error = EILSEQ; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + have_eilseq=yes +else + have_eilseq=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext; +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_eilseq" >&5 +$as_echo "$have_eilseq" >&6; } + +# check for GNUC visibility support +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNUC visibility attribute" >&5 +$as_echo_n "checking for GNUC visibility attribute... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +void +__attribute__ ((visibility ("hidden"))) + f_hidden (void) +{ +} +void +__attribute__ ((visibility ("internal"))) + f_internal (void) +{ +} +void +__attribute__ ((visibility ("protected"))) + f_protected (void) +{ +} +void +__attribute__ ((visibility ("default"))) + f_default (void) +{ +} +int main (int argc, char **argv) +{ + f_hidden(); + f_internal(); + f_protected(); + f_default(); + return 0; +} + +_ACEOF +rm -f conftest.$ac_objext +glib_ac_compile_save="$ac_compile" +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext' +if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && + { ac_try='(if test -s conftest.err; then false ; else true; fi)' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + g_have_gnuc_visibility=yes +else + echo "$as_me: failed program was:" >&5 +cat conftest.$ac_ext >&5 +g_have_gnuc_visibility=no +fi +ac_compile="$glib_ac_compile_save" +rm -f conftest.$ac_objext conftest.err conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $g_have_gnuc_visibility" >&5 +$as_echo "$g_have_gnuc_visibility" >&6; } + +# check for bytesex stuff + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5 +$as_echo_n "checking whether byte ordering is bigendian... " >&6; } +if ${ac_cv_c_bigendian+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_c_bigendian=unknown + # See if we're dealing with a universal compiler. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifndef __APPLE_CC__ + not a universal capable compiler + #endif + typedef int dummy; + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + # Check for potential -arch flags. It is not universal unless + # there are at least two -arch flags with different values. + ac_arch= + ac_prev= + for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do + if test -n "$ac_prev"; then + case $ac_word in + i?86 | x86_64 | ppc | ppc64) + if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then + ac_arch=$ac_word + else + ac_cv_c_bigendian=universal + break + fi + ;; + esac + ac_prev= + elif test "x$ac_word" = "x-arch"; then + ac_prev=arch + fi + done +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + if test $ac_cv_c_bigendian = unknown; then + # See if sys/param.h defines the BYTE_ORDER macro. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + #include + +int +main () +{ +#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \ + && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \ + && LITTLE_ENDIAN) + bogus endian macros + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + # It does; now see whether it defined to BIG_ENDIAN or not. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + #include + +int +main () +{ +#if BYTE_ORDER != BIG_ENDIAN + not big endian + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_bigendian=yes +else + ac_cv_c_bigendian=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + if test $ac_cv_c_bigendian = unknown; then + # See if defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris). + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +int +main () +{ +#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN) + bogus endian macros + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + # It does; now see whether it defined to _BIG_ENDIAN or not. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +int +main () +{ +#ifndef _BIG_ENDIAN + not big endian + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_bigendian=yes +else + ac_cv_c_bigendian=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + if test $ac_cv_c_bigendian = unknown; then + # Compile a test program. + if test "$cross_compiling" = yes; then : + # Try to guess by grepping values from an object file. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +short int ascii_mm[] = + { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 }; + short int ascii_ii[] = + { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 }; + int use_ascii (int i) { + return ascii_mm[i] + ascii_ii[i]; + } + short int ebcdic_ii[] = + { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 }; + short int ebcdic_mm[] = + { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 }; + int use_ebcdic (int i) { + return ebcdic_mm[i] + ebcdic_ii[i]; + } + extern int foo; + +int +main () +{ +return use_ascii (foo) == use_ebcdic (foo); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then + ac_cv_c_bigendian=yes + fi + if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then + if test "$ac_cv_c_bigendian" = unknown; then + ac_cv_c_bigendian=no + else + # finding both strings is unlikely to happen, but who knows? + ac_cv_c_bigendian=unknown + fi + fi +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ + + /* Are we little or big endian? From Harbison&Steele. */ + union + { + long int l; + char c[sizeof (long int)]; + } u; + u.l = 1; + return u.c[sizeof (long int) - 1] == 1; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_c_bigendian=no +else + ac_cv_c_bigendian=yes +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5 +$as_echo "$ac_cv_c_bigendian" >&6; } + case $ac_cv_c_bigendian in #( + yes) + $as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h +;; #( + no) + ;; #( + universal) + +$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h + + ;; #( + *) + as_fn_error $? "unknown endianness + presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;; + esac + +if test x$ac_cv_c_bigendian = xuniversal ; then +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +#if __BYTE_ORDER == __BIG_ENDIAN +#else +#error Not a big endian. +#endif + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_bigendian=yes + +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +#if __BYTE_ORDER == __LITTLE_ENDIAN +#else +#error Not a little endian. +#endif + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_bigendian=no + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Could not determine endianness." >&5 +$as_echo "$as_me: WARNING: Could not determine endianness." >&2;} +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi + + +# check for header files +for ac_header in dirent.h float.h limits.h pwd.h grp.h sys/param.h sys/poll.h sys/resource.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in sys/time.h sys/times.h sys/wait.h unistd.h values.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in sys/select.h sys/types.h stdint.h inttypes.h sched.h malloc.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in sys/vfs.h sys/vmount.h sys/statfs.h sys/statvfs.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in mntent.h sys/mnttab.h sys/vfstab.h sys/mntctl.h fstab.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in sys/uio.h sys/mkdev.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +for ac_header in linux/magic.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "linux/magic.h" "ac_cv_header_linux_magic_h" "$ac_includes_default" +if test "x$ac_cv_header_linux_magic_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LINUX_MAGIC_H 1 +_ACEOF + +fi + +done + + +for ac_header in sys/mount.h sys/sysctl.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "#if HAVE_SYS_PARAM_H + #include + #endif + +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +# check for structure fields +ac_fn_c_check_member "$LINENO" "struct stat" "st_mtimensec" "ac_cv_member_struct_stat_st_mtimensec" "$ac_includes_default" +if test "x$ac_cv_member_struct_stat_st_mtimensec" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_MTIMENSEC 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct stat" "st_mtim.tv_nsec" "ac_cv_member_struct_stat_st_mtim_tv_nsec" "$ac_includes_default" +if test "x$ac_cv_member_struct_stat_st_mtim_tv_nsec" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct stat" "st_atimensec" "ac_cv_member_struct_stat_st_atimensec" "$ac_includes_default" +if test "x$ac_cv_member_struct_stat_st_atimensec" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_ATIMENSEC 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct stat" "st_atim.tv_nsec" "ac_cv_member_struct_stat_st_atim_tv_nsec" "$ac_includes_default" +if test "x$ac_cv_member_struct_stat_st_atim_tv_nsec" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct stat" "st_ctimensec" "ac_cv_member_struct_stat_st_ctimensec" "$ac_includes_default" +if test "x$ac_cv_member_struct_stat_st_ctimensec" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_CTIMENSEC 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct stat" "st_ctim.tv_nsec" "ac_cv_member_struct_stat_st_ctim_tv_nsec" "$ac_includes_default" +if test "x$ac_cv_member_struct_stat_st_ctim_tv_nsec" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC 1 +_ACEOF + + +fi + +ac_fn_c_check_member "$LINENO" "struct stat" "st_blksize" "ac_cv_member_struct_stat_st_blksize" "#include +#include +#include +#ifdef HAVE_SYS_STATFS_H +#include +#endif +#ifdef HAVE_SYS_PARAM_H +#include +#endif +#ifdef HAVE_SYS_MOUNT_H +#include +#endif +" +if test "x$ac_cv_member_struct_stat_st_blksize" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_BLKSIZE 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct stat" "st_blocks" "ac_cv_member_struct_stat_st_blocks" "#include +#include +#include +#ifdef HAVE_SYS_STATFS_H +#include +#endif +#ifdef HAVE_SYS_PARAM_H +#include +#endif +#ifdef HAVE_SYS_MOUNT_H +#include +#endif +" +if test "x$ac_cv_member_struct_stat_st_blocks" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STAT_ST_BLOCKS 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct statfs" "f_fstypename" "ac_cv_member_struct_statfs_f_fstypename" "#include +#include +#include +#ifdef HAVE_SYS_STATFS_H +#include +#endif +#ifdef HAVE_SYS_PARAM_H +#include +#endif +#ifdef HAVE_SYS_MOUNT_H +#include +#endif +" +if test "x$ac_cv_member_struct_statfs_f_fstypename" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STATFS_F_FSTYPENAME 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct statfs" "f_bavail" "ac_cv_member_struct_statfs_f_bavail" "#include +#include +#include +#ifdef HAVE_SYS_STATFS_H +#include +#endif +#ifdef HAVE_SYS_PARAM_H +#include +#endif +#ifdef HAVE_SYS_MOUNT_H +#include +#endif +" +if test "x$ac_cv_member_struct_statfs_f_bavail" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STATFS_F_BAVAIL 1 +_ACEOF + + +fi + +# struct statvfs.f_basetype is available on Solaris but not for Linux. +ac_fn_c_check_member "$LINENO" "struct statvfs" "f_basetype" "ac_cv_member_struct_statvfs_f_basetype" "#include +" +if test "x$ac_cv_member_struct_statvfs_f_basetype" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STATVFS_F_BASETYPE 1 +_ACEOF + + +fi + +ac_fn_c_check_member "$LINENO" "struct statvfs" "f_fstypename" "ac_cv_member_struct_statvfs_f_fstypename" "#include +" +if test "x$ac_cv_member_struct_statvfs_f_fstypename" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_STATVFS_F_FSTYPENAME 1 +_ACEOF + + +fi + +ac_fn_c_check_member "$LINENO" "struct tm" "tm_gmtoff" "ac_cv_member_struct_tm_tm_gmtoff" "#include +" +if test "x$ac_cv_member_struct_tm_tm_gmtoff" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_TM_TM_GMTOFF 1 +_ACEOF + + +fi +ac_fn_c_check_member "$LINENO" "struct tm" "__tm_gmtoff" "ac_cv_member_struct_tm___tm_gmtoff" "#include +" +if test "x$ac_cv_member_struct_tm___tm_gmtoff" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_TM___TM_GMTOFF 1 +_ACEOF + + +fi + + + +THREAD_NO_IMPLEMENTATION="You do not have any known thread system on your + computer. GLib will not have a default thread implementation." + +FLAG_DOES_NOT_WORK="I can't find the MACRO to enable thread safety on your + platform (normally it's "_REENTRANT"). I'll not use any flag on + compilation now, but then your programs might not work. + Please provide information on how it is done on your system." + +LIBS_NOT_FOUND_1="I can't find the libraries for the thread implementation + " + +LIBS_NOT_FOUND_2=". Please choose another thread implementation or + provide information on your thread implementation. + You can also run 'configure --disable-threads' + to compile without thread support." + +FUNC_NO_GETPWUID_R="the 'g_get_(user_name|real_name|home_dir|tmp_dir)' + functions will not be MT-safe during their first call because + there is no working 'getpwuid_r' on your system." + +FUNC_NO_LOCALTIME_R="the 'g_date_set_time' function will not be MT-safe + because there is no 'localtime_r' on your system." + +POSIX_NO_YIELD="I can not find a yield functions for your platform. A rather + crude surrogate will be used. If you happen to know a + yield function for your system, please inform the GLib + developers." + +POSIX_NO_PRIORITIES="I can not find the minimal and maximal priorities for + threads on your system. Thus threads can only have the default + priority. If you happen to know these main/max + priorities, please inform the GLib developers." + +AIX_COMPILE_INFO="AIX's C compiler needs to be called by a different name, when + linking threaded applications. As GLib cannot do that + automatically, you will get an linkg error everytime you are + not using the right compiler. In that case you have to relink + with the right compiler. Ususally just '_r' is appended + to the compiler name." + + +# have_threads=no means no thread support +# have_threads=none means no default thread implementation + +have_threads=no +if test "x$want_threads" = xyes || test "x$want_threads" = xposix \ + || test "x$want_threads" = xdce; then + # -D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE is for DG/UX + # -U_OSF_SOURCE is for Digital UNIX 4.0d + GTHREAD_COMPILE_IMPL_DEFINES="-D_POSIX4_DRAFT_SOURCE -D_POSIX4A_DRAFT10_SOURCE -U_OSF_SOURCE" + glib_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES" + if test "x$have_threads" = xno; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + have_threads=posix +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + if test "x$have_threads" = xno; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +pthread_mutex_t m; + pthread_mutex_init (&m, pthread_mutexattr_default); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + have_threads=dce +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + # Tru64Unix requires -pthread to find pthread.h. See #103020 + CPPFLAGS="$CPPFLAGS -pthread" + if test "x$have_threads" = xno; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + have_threads=posix +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + CPPFLAGS="$glib_save_CPPFLAGS" +fi +if test "x$want_threads" = xyes || test "x$want_threads" = xwin32; then + case $host in + *-*-mingw*) + have_threads=win32 + ;; + esac +fi +if test "x$want_threads" = xnone; then + have_threads=none +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for thread implementation" >&5 +$as_echo_n "checking for thread implementation... " >&6; } + +if test "x$have_threads" = xno && test "x$want_threads" != xno; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none available" >&5 +$as_echo "none available" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $THREAD_NO_IMPLEMENTATION" >&5 +$as_echo "$as_me: WARNING: $THREAD_NO_IMPLEMENTATION" >&2;} +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_threads" >&5 +$as_echo "$have_threads" >&6; } +fi + + + +G_THREAD_LIBS= +G_THREAD_LIBS_EXTRA= +G_THREAD_CFLAGS= + + + +if test x"$have_threads" != xno; then + + if test x"$have_threads" = xposix; then + # First we test for posix, whether -pthread or -pthreads do the trick as + # both CPPFLAG and LIBS. + # One of them does for most gcc versions and some other platforms/compilers + # too and could be considered as the canonical way to go. + case $host in + *-*-cygwin*|*-*-darwin*) + # skip cygwin and darwin -pthread or -pthreads test + ;; + *-solaris*) + # These compiler/linker flags work with both Sun Studio and gcc + # Sun Studio expands -mt to -D_REENTRANT and -lthread + # gcc expands -pthreads to -D_REENTRANT -D_PTHREADS -lpthread + G_THREAD_CFLAGS="-D_REENTRANT -D_PTHREADS" + G_THREAD_LIBS="-lpthread -lthread" + ;; + *) + for flag in pthread pthreads mt; do + glib_save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -$flag" + if test "$cross_compiling" = yes; then : + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +int check_me = 0; +void* func(void* data) {check_me = 42; return &check_me;} +int main() + { pthread_t t; + void *ret; + pthread_create (&t, 0, func, 0); + pthread_join (t, &ret); + return (check_me != 42 || ret != &check_me); +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + glib_flag_works=yes +else + glib_flag_works=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +int check_me = 0; +void* func(void* data) {check_me = 42; return &check_me;} +int main() + { pthread_t t; + void *ret; + pthread_create (&t, 0, func, 0); + pthread_join (t, &ret); + return (check_me != 42 || ret != &check_me); +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + glib_flag_works=yes +else + glib_flag_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + CFLAGS="$glib_save_CFLAGS" + if test $glib_flag_works = yes ; then + G_THREAD_CFLAGS=-$flag + G_THREAD_LIBS=-$flag + break; + fi + done + ;; + esac + fi + + if test x"$G_THREAD_CFLAGS" = x; then + + # The canonical -pthread[s] does not work. Try something different. + + case $host in + *-aix*) + if test x"$GCC" = xyes; then + # GCC 3.0 and above needs -pthread. + # Should be coverd by the case above. + # GCC 2.x and below needs -mthreads + G_THREAD_CFLAGS="-mthreads" + G_THREAD_LIBS=$G_THREAD_CFLAGS + else + # We are probably using the aix compiler. Normaly a + # program would have to be compiled with the _r variant + # of the corresponding compiler, but we as GLib cannot + # do that: but the good news is that for compiling the + # only difference is the added -D_THREAD_SAFE compile + # option. This is according to the "C for AIX User's + # Guide". + G_THREAD_CFLAGS="-D_THREAD_SAFE" + fi + ;; + *-dg-dgux*) # DG/UX + G_THREAD_CFLAGS="-D_REENTRANT -D_POSIX4A_DRAFT10_SOURCE" + ;; + *-osf*) + # So we are using dce threads. posix threads are already + # catched above. + G_THREAD_CFLAGS="-threads" + G_THREAD_LIBS=$G_THREAD_CFLAGS + ;; + *-sysv5uw7*) # UnixWare 7 + # We are not using gcc with -pthread. Catched above. + G_THREAD_CFLAGS="-Kthread" + G_THREAD_LIBS=$G_THREAD_CFLAGS + ;; + *-mingw*) + # No flag needed when using MSVCRT.DLL + G_THREAD_CFLAGS="" + ;; + *) + G_THREAD_CFLAGS="-D_REENTRANT" # good default guess otherwise + ;; + esac + + fi + + # if we are not finding the localtime_r function, then we probably are + # not using the proper multithread flag + + glib_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS" + + # First we test, whether localtime_r is declared in time.h + # directly. Then we test whether a macro localtime_r exists, in + # which case localtime_r in the test program is replaced and thus + # if we still find localtime_r in the output, it is not defined as + # a macro. + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]" >/dev/null 2>&1; then : + +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + localtime_r(a,b) +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "[^a-zA-Z1-9_]localtime_r[^a-zA-Z1-9_]" >/dev/null 2>&1; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $FLAG_DOES_NOT_WORK" >&5 +$as_echo "$as_me: WARNING: $FLAG_DOES_NOT_WORK" >&2;} +fi +rm -f conftest* + +fi +rm -f conftest* + + + CPPFLAGS="$glib_save_CPPFLAGS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking thread related cflags" >&5 +$as_echo_n "checking thread related cflags... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $G_THREAD_CFLAGS" >&5 +$as_echo "$G_THREAD_CFLAGS" >&6; } + CPPFLAGS="$CPPFLAGS $G_THREAD_CFLAGS" +fi + + +mutex_has_default=no +case $have_threads in + posix|dce) + glib_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES" + if test x"$G_THREAD_LIBS" = x; then + case $host in + *-aix*) + # We are not using gcc (would have set G_THREAD_LIBS) and thus + # probably using the aix compiler. + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $AIX_COMPILE_INFO" >&5 +$as_echo "$as_me: WARNING: $AIX_COMPILE_INFO" >&2;} + ;; + *) + G_THREAD_LIBS=error + glib_save_LIBS="$LIBS" + for thread_lib in "" pthread pthread32 pthreads thread dce; do + if test x"$thread_lib" = x; then + add_thread_lib="" + IN="" + else + add_thread_lib="-l$thread_lib" + IN=" in -l$thread_lib" + fi + if test x"$have_threads" = xposix; then + defattr=0 + else + defattr=pthread_attr_default + fi + + LIBS="$add_thread_lib $glib_save_LIBS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create/pthread_join$IN" >&5 +$as_echo_n "checking for pthread_create/pthread_join$IN... " >&6; } + if test "$cross_compiling" = yes; then : + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +int check_me = 0; +void* func(void* data) {check_me = 42; return &check_me;} +int main() + { pthread_t t; + void *ret; + pthread_create (&t, $defattr, func, 0); + pthread_join (t, &ret); + return (check_me != 42 || ret != &check_me); +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + glib_result=yes +else + glib_result=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +int check_me = 0; +void* func(void* data) {check_me = 42; return &check_me;} +int main() + { pthread_t t; + void *ret; + pthread_create (&t, $defattr, func, 0); + pthread_join (t, &ret); + return (check_me != 42 || ret != &check_me); +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + glib_result=yes +else + glib_result=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_result" >&5 +$as_echo "$glib_result" >&6; } + + if test "$glib_result" = "yes" ; then + G_THREAD_LIBS="$add_thread_lib" + break + fi + done + if test "x$G_THREAD_LIBS" = xerror; then + as_fn_error $? "$LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2" "$LINENO" 5 + fi + LIBS="$glib_save_LIBS" + ;; + esac + fi + + glib_save_LIBS="$LIBS" + for thread_lib in "" rt rte; do + if test x"$thread_lib" = x; then + add_thread_lib="" + IN="" + else + add_thread_lib="-l$thread_lib" + IN=" in -l$thread_lib" + fi + LIBS="$add_thread_lib $glib_save_LIBS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sched_get_priority_min$IN" >&5 +$as_echo_n "checking for sched_get_priority_min$IN... " >&6; } + if test "$cross_compiling" = yes; then : + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +int main() { + errno = 0; + return sched_get_priority_min(SCHED_OTHER)==-1 + && errno != 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + glib_result=yes +else + glib_result=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +int main() { + errno = 0; + return sched_get_priority_min(SCHED_OTHER)==-1 + && errno != 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + glib_result=yes +else + glib_result=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_result" >&5 +$as_echo "$glib_result" >&6; } + + if test "$glib_result" = "yes" ; then + G_THREAD_LIBS="$G_THREAD_LIBS $add_thread_lib" + posix_priority_min="sched_get_priority_min(SCHED_OTHER)" + posix_priority_max="sched_get_priority_max(SCHED_OTHER)" + break + fi + done + LIBS="$glib_save_LIBS" + mutex_has_default=yes + mutex_default_type='pthread_mutex_t' + mutex_default_init='PTHREAD_MUTEX_INITIALIZER' + mutex_header_file='pthread.h' + if test "x$have_threads" = "xposix"; then + g_threads_impl="POSIX" + else + g_threads_impl="DCE" + have_threads="posix" + fi + + CPPFLAGS="$glib_save_CPPFLAGS" + ;; + win32) + g_threads_impl="WIN32" + ;; + none|no) + g_threads_impl="NONE" + ;; + *) + g_threads_impl="NONE" + G_THREAD_LIBS=error + ;; +esac + +if test "x$G_THREAD_LIBS" = xerror; then + as_fn_error $? "$LIBS_NOT_FOUND_1$have_threads$LIBS_NOT_FOUND_2" "$LINENO" 5 +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking thread related libraries" >&5 +$as_echo_n "checking thread related libraries... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $G_THREAD_LIBS" >&5 +$as_echo "$G_THREAD_LIBS" >&6; } + + +if test x"$have_threads" != xno; then + glib_save_LIBS="$LIBS" + # we are not doing the following for now, as this might require glib + # to always be linked with the thread libs on some platforms. + # LIBS="$LIBS $G_THREAD_LIBS" + for ac_func in localtime_r gmtime_r +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + if test "$ac_cv_header_pwd_h" = "yes"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for posix getpwuid_r" >&5 +$as_echo_n "checking for posix getpwuid_r... " >&6; } +if ${ac_cv_func_posix_getpwuid_r+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +int main () { + char buffer[10000]; + struct passwd pwd, *pwptr = &pwd; + int error; + errno = 0; + error = getpwuid_r (0, &pwd, buffer, + sizeof (buffer), &pwptr); + return (error < 0 && errno == ENOSYS) + || error == ENOSYS; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_posix_getpwuid_r=yes +else + ac_cv_func_posix_getpwuid_r=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_posix_getpwuid_r" >&5 +$as_echo "$ac_cv_func_posix_getpwuid_r" >&6; } + if test "x${ac_cv_func_posix_getpwuid_r+set}" != "xset" ; then + as_fn_error $? "ac_cv_func_posix_getpwuid_r must be set in cache file when cross-compiling." "$LINENO" 5 +fi + + if test "$ac_cv_func_posix_getpwuid_r" = yes; then + +$as_echo "#define HAVE_POSIX_GETPWUID_R 1" >>confdefs.h + + else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for nonposix getpwuid_r" >&5 +$as_echo_n "checking for nonposix getpwuid_r... " >&6; } +if ${ac_cv_func_nonposix_getpwuid_r+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +char buffer[10000]; + struct passwd pwd; + getpwuid_r (0, &pwd, buffer, + sizeof (buffer)); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_func_nonposix_getpwuid_r=yes +else + ac_cv_func_nonposix_getpwuid_r=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_nonposix_getpwuid_r" >&5 +$as_echo "$ac_cv_func_nonposix_getpwuid_r" >&6; } + if test "x${ac_cv_func_nonposix_getpwuid_r+set}" != "xset" ; then + as_fn_error $? "ac_cv_func_nonposix_getpwuid_r must be set in cache file when cross-compiling." "$LINENO" 5 +fi + + if test "$ac_cv_func_nonposix_getpwuid_r" = yes; then + +$as_echo "#define HAVE_NONPOSIX_GETPWUID_R 1" >>confdefs.h + + fi + fi + fi + if test "$ac_cv_header_grp_h" = "yes"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for posix getgrgid_r" >&5 +$as_echo_n "checking for posix getgrgid_r... " >&6; } +if ${ac_cv_func_posix_getgrgid_r+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +int main () { + char buffer[10000]; + struct group grp, *grpptr = &grp; + int error; + errno = 0; + error = getgrgid_r (0, &grp, buffer, + sizeof (buffer), &grpptr); + return (error < 0 && errno == ENOSYS) + || error == ENOSYS; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_posix_getgrgid_r=yes +else + ac_cv_func_posix_getgrgid_r=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_posix_getgrgid_r" >&5 +$as_echo "$ac_cv_func_posix_getgrgid_r" >&6; } + if test "x${ac_cv_func_posix_getgrgid_r+set}" != "xset" ; then + as_fn_error $? "ac_cv_func_posix_getgrgid_r must be set in cache file when cross-compiling." "$LINENO" 5 +fi + + if test "$ac_cv_func_posix_getgrgid_r" = yes; then + +$as_echo "#define HAVE_POSIX_GETGRGID_R 1" >>confdefs.h + + else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for nonposix getgrgid_r" >&5 +$as_echo_n "checking for nonposix getgrgid_r... " >&6; } +if ${ac_cv_func_nonposix_getgrgid_r+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +char buffer[10000]; + struct group grp; + getgrgid_r (0, &grp, buffer, + sizeof (buffer)); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_func_nonposix_getgrgid_r=yes +else + ac_cv_func_nonposix_getgrgid_r=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_nonposix_getgrgid_r" >&5 +$as_echo "$ac_cv_func_nonposix_getgrgid_r" >&6; } + if test "x${ac_cv_func_nonposix_getgrgid_r+set}" != "xset" ; then + as_fn_error $? "ac_cv_func_nonposix_getgrgid_r must be set in cache file when cross-compiling." "$LINENO" 5 +fi + + if test "$ac_cv_func_nonposix_getgrgid_r" = yes; then + +$as_echo "#define HAVE_NONPOSIX_GETGRGID_R 1" >>confdefs.h + + fi + fi + fi + LIBS="$G_THREAD_LIBS $LIBS" + if test x"$have_threads" = xposix; then + glib_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of pthread_t" >&5 +$as_echo_n "checking size of pthread_t... " >&6; } +if ${glib_cv_sizeof_system_thread+:} false; then : + $as_echo_n "(cached) " >&6 +else + # The cast to unsigned long works around a bug in the HP C Compiler + # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects + # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. + # This bug is HP SR number 8606223364. + if ac_fn_c_compute_int "$LINENO" "(long) (sizeof (pthread_t))" "glib_cv_sizeof_system_thread" "#include +"; then : + +else + as_fn_error $? "cannot compute sizeof (pthread_t), 77" "$LINENO" 5 +fi + + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_sizeof_system_thread" >&5 +$as_echo "$glib_cv_sizeof_system_thread" >&6; } +cat >>confdefs.h <<_ACEOF +#define GLIB_SIZEOF_SYSTEM_THREAD $glib_cv_sizeof_system_thread +_ACEOF + + + # This is not AC_CHECK_FUNC to also work with function + # name mangling in header files. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_attr_setstacksize" >&5 +$as_echo_n "checking for pthread_attr_setstacksize... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +pthread_attr_t t; pthread_attr_setstacksize(&t,0) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +$as_echo "#define HAVE_PTHREAD_ATTR_SETSTACKSIZE 1" >>confdefs.h + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for minimal/maximal thread priority" >&5 +$as_echo_n "checking for minimal/maximal thread priority... " >&6; } + if test x"$posix_priority_min" = x; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + PX_PRIO_MIN +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "PX_PRIO_MIN" >/dev/null 2>&1; then : + +else + + posix_priority_min=PX_PRIO_MIN + posix_priority_max=PX_PRIO_MAX +fi +rm -f conftest* + + fi + if test x"$posix_priority_min" = x; then + # AIX + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + PTHREAD_PRIO_MIN +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "PTHREAD_PRIO_MIN" >/dev/null 2>&1; then : + +else + + posix_priority_min=PTHREAD_PRIO_MIN + posix_priority_max=PTHREAD_PRIO_MAX +fi +rm -f conftest* + + fi + if test x"$posix_priority_min" = x; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + PRI_OTHER_MIN +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "PRI_OTHER_MIN" >/dev/null 2>&1; then : + +else + + posix_priority_min=PRI_OTHER_MIN + posix_priority_max=PRI_OTHER_MAX +fi +rm -f conftest* + + fi + if test x"$posix_priority_min" = x; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none found" >&5 +$as_echo "none found" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $POSIX_NO_PRIORITIES" >&5 +$as_echo "$as_me: WARNING: $POSIX_NO_PRIORITIES" >&2;} + posix_priority_min=-1 + posix_priority_max=-1 + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $posix_priority_min/$posix_priority_max" >&5 +$as_echo "$posix_priority_min/$posix_priority_max" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_setschedparam" >&5 +$as_echo_n "checking for pthread_setschedparam... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +pthread_t t; pthread_setschedparam(t, 0, NULL) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +cat >>confdefs.h <<_ACEOF +#define POSIX_MIN_PRIORITY $posix_priority_min +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define POSIX_MAX_PRIORITY $posix_priority_max +_ACEOF + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $POSIX_NO_PRIORITIES" >&5 +$as_echo "$as_me: WARNING: $POSIX_NO_PRIORITIES" >&2;} +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + fi + posix_yield_func=none + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for posix yield function" >&5 +$as_echo_n "checking for posix yield function... " >&6; } + for yield_func in sched_yield pthread_yield_np pthread_yield \ + thr_yield; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +$yield_func() + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + posix_yield_func="$yield_func" + break +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + done + if test x"$posix_yield_func" = xnone; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none found" >&5 +$as_echo "none found" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $POSIX_NO_YIELD" >&5 +$as_echo "$as_me: WARNING: $POSIX_NO_YIELD" >&2;} + posix_yield_func="g_usleep(1000)" + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $posix_yield_func" >&5 +$as_echo "$posix_yield_func" >&6; } + posix_yield_func="$posix_yield_func()" + fi + +cat >>confdefs.h <<_ACEOF +#define POSIX_YIELD_FUNC $posix_yield_func +_ACEOF + + CPPFLAGS="$glib_save_CPPFLAGS" + + elif test x"$have_threads" = xwin32; then + # It's a pointer to a private struct + { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct _GThreadData *" >&5 +$as_echo_n "checking size of struct _GThreadData *... " >&6; } +if ${glib_cv_sizeof_system_thread+:} false; then : + $as_echo_n "(cached) " >&6 +else + # The cast to unsigned long works around a bug in the HP C Compiler + # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects + # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. + # This bug is HP SR number 8606223364. + if ac_fn_c_compute_int "$LINENO" "(long) (sizeof (struct _GThreadData *))" "glib_cv_sizeof_system_thread" "$ac_includes_default"; then : + +else + as_fn_error $? "cannot compute sizeof (struct _GThreadData *), 77" "$LINENO" 5 +fi + + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_sizeof_system_thread" >&5 +$as_echo "$glib_cv_sizeof_system_thread" >&6; } +cat >>confdefs.h <<_ACEOF +#define GLIB_SIZEOF_SYSTEM_THREAD $glib_cv_sizeof_system_thread +_ACEOF + + + fi + + LIBS="$glib_save_LIBS" + + # now spit out all the warnings. + if test "$ac_cv_func_posix_getpwuid_r" != "yes" && + test "$ac_cv_func_nonposix_getpwuid_r" != "yes"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $FUNC_NO_GETPWUID_R" >&5 +$as_echo "$as_me: WARNING: $FUNC_NO_GETPWUID_R" >&2;} + fi + if test "$ac_cv_func_localtime_r" != "yes"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $FUNC_NO_LOCALTIME_R" >&5 +$as_echo "$as_me: WARNING: $FUNC_NO_LOCALTIME_R" >&2;} + fi +fi + +if test x"$glib_cv_sizeof_system_thread" = x; then + # use a pointer as a fallback. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5 +$as_echo_n "checking size of void *... " >&6; } +if ${glib_cv_sizeof_system_thread+:} false; then : + $as_echo_n "(cached) " >&6 +else + # The cast to unsigned long works around a bug in the HP C Compiler + # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects + # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. + # This bug is HP SR number 8606223364. + if ac_fn_c_compute_int "$LINENO" "(long) (sizeof (void *))" "glib_cv_sizeof_system_thread" "$ac_includes_default"; then : + +else + as_fn_error $? "cannot compute sizeof (void *), 77" "$LINENO" 5 +fi + + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_sizeof_system_thread" >&5 +$as_echo "$glib_cv_sizeof_system_thread" >&6; } +cat >>confdefs.h <<_ACEOF +#define GLIB_SIZEOF_SYSTEM_THREAD $glib_cv_sizeof_system_thread +_ACEOF + + +fi + +# +# Hack to deal with: +# +# a) GCC < 3.3 for Linux doesn't include -lpthread when +# building shared libraries with linux. +# b) FreeBSD doesn't do this either. +# +case $host in + *-*-freebsd*|*-*-linux*) + G_THREAD_LIBS_FOR_GTHREAD="`echo $G_THREAD_LIBS | sed s/-pthread/-lpthread/`" + ;; + *-*-openbsd*) + LDFLAGS="$LDFLAGS -pthread" + ;; + *) + G_THREAD_LIBS_FOR_GTHREAD="$G_THREAD_LIBS" + ;; +esac + + +cat >>confdefs.h <<_ACEOF +#define G_THREAD_SOURCE "gthread-$have_threads.c" +_ACEOF + + + + + + +if test $mutex_has_default = yes ; then + glib_save_CPPFLAGS="$CPPFLAGS" + glib_save_LIBS="$LIBS" + LIBS="$G_THREAD_LIBS $LIBS" + CPPFLAGS="$CPPFLAGS $GTHREAD_COMPILE_IMPL_DEFINES" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of $mutex_default_type" >&5 +$as_echo_n "checking size of $mutex_default_type... " >&6; } +if ${glib_cv_sizeof_gmutex+:} false; then : + $as_echo_n "(cached) " >&6 +else + # The cast to unsigned long works around a bug in the HP C Compiler + # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects + # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. + # This bug is HP SR number 8606223364. + if ac_fn_c_compute_int "$LINENO" "(long) (sizeof ($mutex_default_type))" "glib_cv_sizeof_gmutex" "#include <$mutex_header_file> +"; then : + +else + as_fn_error $? "cannot compute sizeof ($mutex_default_type), 77" "$LINENO" 5 +fi + + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_sizeof_gmutex" >&5 +$as_echo "$glib_cv_sizeof_gmutex" >&6; } +cat >>confdefs.h <<_ACEOF +#define GLIB_SIZEOF_GMUTEX $glib_cv_sizeof_gmutex +_ACEOF + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking byte contents of $mutex_default_init" >&5 +$as_echo_n "checking byte contents of $mutex_default_init... " >&6; } +if ${glib_cv_byte_contents_gmutex+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + glib_cv_byte_contents_gmutex=no +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include <$mutex_header_file> +main() +{ + static $mutex_default_type tv = $mutex_default_init; + char *p = (char*) &tv; + int i; + FILE *f=fopen("conftestval", "w"); + if (!f) exit(1); + for (i = 0; i < $glib_cv_sizeof_gmutex; i++) + fprintf(f, "%s%d", i?",":"", *(p++)); + fprintf(f, "\n"); + exit(0); +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + glib_cv_byte_contents_gmutex=`cat conftestval` +else + glib_cv_byte_contents_gmutex=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_byte_contents_gmutex" >&5 +$as_echo "$glib_cv_byte_contents_gmutex" >&6; } + +cat >>confdefs.h <<_ACEOF +#define GLIB_BYTE_CONTENTS_GMUTEX $glib_cv_byte_contents_gmutex +_ACEOF + + + if test x"$glib_cv_byte_contents_gmutex" = xno; then + mutex_has_default=no + fi + CPPFLAGS="$glib_save_CPPFLAGS" + LIBS="$glib_save_LIBS" +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use assembler code for atomic operations" >&5 +$as_echo_n "checking whether to use assembler code for atomic operations... " >&6; } + case $host_cpu in + i386) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } + glib_memory_barrier_needed=no + ;; + i?86) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: i486" >&5 +$as_echo "i486" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_I486 1 +_ACEOF + + glib_memory_barrier_needed=no + ;; + sparc*) + SPARCV9_WARNING="Try to rerun configure with CFLAGS='-mcpu=v9', + when you are using a sparc with v9 instruction set (most + sparcs nowadays). This will make the code for atomic + operations much faster. The resulting code will not run + on very old sparcs though." + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + main () + { + int tmp1, tmp2, tmp3; + __asm__ __volatile__("casx [%2], %0, %1" + : "=&r" (tmp1), "=&r" (tmp2) : "r" (&tmp3)); + } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: sparcv9" >&5 +$as_echo "sparcv9" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_SPARCV9 1 +_ACEOF + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $SPARCV9_WARNING" >&5 +$as_echo "$as_me: WARNING: $SPARCV9_WARNING" >&2;} +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + glib_memory_barrier_needed=yes + ;; + alpha*) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: alpha" >&5 +$as_echo "alpha" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_ALPHA 1 +_ACEOF + + glib_memory_barrier_needed=yes + ;; + x86_64) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: x86_64" >&5 +$as_echo "x86_64" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_X86_64 1 +_ACEOF + + glib_memory_barrier_needed=no + ;; + powerpc*) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: powerpc" >&5 +$as_echo "powerpc" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_POWERPC 1 +_ACEOF + + glib_memory_barrier_needed=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether asm supports numbered local labels" >&5 +$as_echo_n "checking whether asm supports numbered local labels... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + __asm__ __volatile__ ("1: nop\n" + " bne- 1b") + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + +cat >>confdefs.h <<_ACEOF +#define ASM_NUMERIC_LABELS 1 +_ACEOF + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ;; + ia64) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ia64" >&5 +$as_echo "ia64" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_IA64 1 +_ACEOF + + glib_memory_barrier_needed=yes + ;; + s390|s390x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: s390" >&5 +$as_echo "s390" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_S390 1 +_ACEOF + + glib_memory_barrier_needed=no + ;; + arm*) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: arm" >&5 +$as_echo "arm" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_ARM 1 +_ACEOF + + glib_memory_barrier_needed=no + ;; + crisv32*|etraxfs*) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: crisv32" >&5 +$as_echo "crisv32" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_CRISV32 1 +_ACEOF + + glib_memory_barrier_needed=no + ;; + cris*|etrax*) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: cris" >&5 +$as_echo "cris" >&6; } + +cat >>confdefs.h <<_ACEOF +#define G_ATOMIC_CRIS 1 +_ACEOF + + glib_memory_barrier_needed=no + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } + glib_memory_barrier_needed=yes + ;; + esac + +glib_cv_gcc_has_builtin_atomic_operations=no +if test x"$GCC" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether GCC supports built-in atomic intrinsics" >&5 +$as_echo_n "checking whether GCC supports built-in atomic intrinsics... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +int i; + __sync_synchronize (); + __sync_bool_compare_and_swap (&i, 0, 1); + __sync_fetch_and_add (&i, 1); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + glib_cv_gcc_has_builtin_atomic_operations=yes +else + glib_cv_gcc_has_builtin_atomic_operations=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_gcc_has_builtin_atomic_operations" >&5 +$as_echo "$glib_cv_gcc_has_builtin_atomic_operations" >&6; } +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Win32 atomic intrinsics" >&5 +$as_echo_n "checking for Win32 atomic intrinsics... " >&6; } +glib_cv_has_win32_atomic_operations=no +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +int i; _InterlockedExchangeAdd (&i, 0); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + glib_cv_has_win32_atomic_operations=yes +else + glib_cv_has_win32_atomic_operations=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_has_win32_atomic_operations" >&5 +$as_echo "$glib_cv_has_win32_atomic_operations" >&6; } +if test "x$glib_cv_has_win32_atomic_operations" = xyes; then + +$as_echo "#define HAVE_WIN32_BUILTINS_FOR_ATOMIC_OPERATIONS 1" >>confdefs.h + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for futex(2) system call" >&5 +$as_echo_n "checking for futex(2) system call... " >&6; } +if ${glib_cv_futex+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +#include + +int +main () +{ + +int +main (void) +{ + /* it is not like this actually runs or anything... */ + syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT); + return 0; +} + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + glib_cv_futex=yes +else + glib_cv_futex=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glib_cv_futex" >&5 +$as_echo "$glib_cv_futex" >&6; } +if test x"$glib_cv_futex" = xyes; then + +$as_echo "#define HAVE_FUTEX 1" >>confdefs.h + +fi + +ac_config_commands="$ac_config_commands deps/glib/glibconfig.h" + + + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_srcdir)/deps" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_builddir)/deps" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_srcdir)/deps/glib" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_builddir)/deps/glib" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_srcdir)/deps/gmodule" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_builddir)/deps/gmodule" + EXPERIMENTAL_CONFIG=yes + EXPERIMENTAL_OPTIONS="$EXPERIMENTAL_OPTIONS --disable-glib," + enable_nls=no + + +fi + + +if test "x$enable_glib" != "xyes"; then : + + if test "x$enable_cogl_pango" = "xyes"; then : + as_fn_error $? "--enable-cogl-pango conflicts with --disable-glib" "$LINENO" 5 +fi + enable_cogl_pango=no + + +fi + +# Check whether --enable-cogl-pango was given. +if test "${enable_cogl_pango+set}" = set; then : + enableval=$enable_cogl_pango; +else + enable_cogl_pango=yes + +fi + +if test "x$enable_cogl_pango" = "xyes"; then : + + COGL_PANGO_PKG_REQUIRES="$COGL_PANGO_PKG_REQUIRES pangocairo >= 1.20" + + +fi + + +if test "x$enable_glib" != "xyes"; then : + + if test "x$enable_cogl_gst" = "xyes"; then : + as_fn_error $? "--enable-cogl-gst conflicts with --disable-glib" "$LINENO" 5 +fi + enable_cogl_gst=no + + +fi + +# Check whether --enable-cogl-gst was given. +if test "${enable_cogl_gst+set}" = set; then : + enableval=$enable_cogl_gst; +else + enable_cogl_gst=no + +fi + +if test "x$enable_cogl_gst" = "xyes"; then : + + COGL_GST_PKG_REQUIRES="$COGL_GST_PKG_REQUIRES gstreamer-1.0 gstreamer-fft-1.0 \ + gstreamer-audio-1.0 gstreamer-base-1.0 \ + gstreamer-video-1.0 gstreamer-plugins-base-1.0 \ + gstreamer-tag-1.0 gstreamer-controller-1.0" + + GST_MAJORMINOR=1.0 + + plugindir="\$(libdir)/gstreamer-$GST_MAJORMINOR" + + + GSTREAMER_PREFIX="`$PKG_CONFIG --variable=prefix gstreamer-1.0`" + + + +fi + + +# Check whether --enable-cogl-path was given. +if test "${enable_cogl_path+set}" = set; then : + enableval=$enable_cogl_path; +else + enable_cogl_path=yes + +fi + +if test "x$enable_cogl_path" = "xyes"; then : + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_COGL_PATH_SUPPORT" + + +fi + +# Check whether --enable-gdk-pixbuf was given. +if test "${enable_gdk_pixbuf+set}" = set; then : + enableval=$enable_gdk_pixbuf; +else + if test "x$enable_glib" = "xyes"; then : + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gdk-pixbuf-2.0 >= 2.0\""; } >&5 + ($PKG_CONFIG --exists --print-errors "gdk-pixbuf-2.0 >= 2.0") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + enable_gdk_pixbuf=yes +else + enable_gdk_pixbuf=no +fi +fi + +fi + + +# Check whether --enable-quartz-image was given. +if test "${enable_quartz_image+set}" = set; then : + enableval=$enable_quartz_image; +else + enable_quartz_image=no + +fi + + +if test "x$enable_gdk_pixbuf" = "xyes"; then : + + if test "x$enable_glib" != "xyes"; then : + as_fn_error $? "--disable-glib conflicts with --enable-gdk-pixbuf" "$LINENO" 5 +fi + +$as_echo "#define USE_GDKPIXBUF 1" >>confdefs.h + + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES gdk-pixbuf-2.0 >= 2.0" + COGL_IMAGE_BACKEND="gdk-pixbuf" + +elif test "x$enable_quartz_image" = "xyes"; then : + + EXPERIMENTAL_CONFIG=yes + EXPERIMENTAL_OPTIONS="$EXPERIMENTAL_OPTIONS Quartz Core Graphics," + +$as_echo "#define USE_QUARTZ 1" >>confdefs.h + + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -framework ApplicationServices" + COGL_IMAGE_BACKEND="quartz" + +else + + EXPERIMENTAL_CONFIG=yes + EXPERIMENTAL_OPTIONS="$EXPERIMENTAL_OPTIONS fallback image decoding (stb_image)," + +$as_echo "#define USE_INTERNAL 1" >>confdefs.h + + COGL_IMAGE_BACKEND="stb_image" + + +fi + +# Check whether --enable-examples-install was given. +if test "${enable_examples_install+set}" = set; then : + enableval=$enable_examples_install; +else + enable_examples_install=no + +fi + + if test "x$enable_examples_install" = "xyes"; then + INSTALL_EXAMPLES_TRUE= + INSTALL_EXAMPLES_FALSE='#' +else + INSTALL_EXAMPLES_TRUE='#' + INSTALL_EXAMPLES_FALSE= +fi + + + +EGL_CHECKED=no + +GL_LIBRARY_DIRECTLY_LINKED=no + +enabled_drivers="" + +HAVE_GLES1=0 +# Check whether --enable-gles1 was given. +if test "${enable_gles1+set}" = set; then : + enableval=$enable_gles1; +else + enable_gles1=no + +fi + +if test "x$enable_gles1" = "xyes"; then : + + if test "x$platform_win32" = "xyes"; then : + as_fn_error $? "GLES 1 not available for win32" "$LINENO" 5 +fi + + enabled_drivers="$enabled_drivers gles1" + + cogl_gl_headers="GLES/gl.h GLES/glext.h" + + +$as_echo "#define HAVE_COGL_GLES 1" >>confdefs.h + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLES CLUTTER_COGL_HAS_GLES" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLES1" + HAVE_GLES1=1 + + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glesv1_cm\""; } >&5 + ($PKG_CONFIG --exists --print-errors "glesv1_cm") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + COGL_PKG_REQUIRES_GL="$COGL_PKG_REQUIRES_GL glesv1_cm" + COGL_GLES1_LIBNAME="libGLESv1_CM.so" + +else + + # We have to check the two headers independently as GLES/glext.h + # needs to include GLES/gl.h to have the GL types defined (eg. + # GLenum). + ac_fn_c_check_header_mongrel "$LINENO" "GLES/gl.h" "ac_cv_header_GLES_gl_h" "$ac_includes_default" +if test "x$ac_cv_header_GLES_gl_h" = xyes; then : + +else + as_fn_error $? "Unable to locate GLES/gl.h" "$LINENO" 5 +fi + + + ac_fn_c_check_header_compile "$LINENO" "GLES/glext.h" "ac_cv_header_GLES_glext_h" "#include +" +if test "x$ac_cv_header_GLES_glext_h" = xyes; then : + +else + as_fn_error $? "Unable to locate GLES/glext.h" "$LINENO" 5 +fi + + + + # Early implementations provided only a GLES/egl.h while Khronos's + # implementer guide now states EGL/egl.h is the One. Some + # implementations keep a GLES/egl.h wrapper around EGL/egl.h for + # backward compatibility while others provide EGL/egl.h only. + for ac_header in GLES/egl.h EGL/egl.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + if test "x$ac_cv_header_GLES_egl_h" = "xyes"; then : + COGL_EGL_INCLUDES="#include " +elif test "x$ac_cv_header_EGL_egl_h" = "xyes"; then : + + COGL_EGL_INCLUDES="#include " + +else + as_fn_error $? "Unable to locate EGL header" "$LINENO" 5 +fi + + + for ac_header in EGL/eglext.h +do : + ac_fn_c_check_header_compile "$LINENO" "EGL/eglext.h" "ac_cv_header_EGL_eglext_h" "$COGL_EGL_INCLUDES +" +if test "x$ac_cv_header_EGL_eglext_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_EGL_EGLEXT_H 1 +_ACEOF + COGL_EGL_INCLUDES="$COGL_EGL_INCLUDE +#include " +fi + +done + + + # Check for a GLES 1.x Common Profile library with/without EGL. + # + # Note: historically GLES 1 libraries shipped with the + # EGL and GLES symbols all bundled in one library. Now + # the Khronos Implementers Guide defines two naming + # schemes: -lGLES_CM should be used for a library that + # bundles the GLES and EGL API together and -lGLESv1_CM + # would be used for a standalone GLES API. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for eglInitialize in -lGLES_CM" >&5 +$as_echo_n "checking for eglInitialize in -lGLES_CM... " >&6; } +if ${ac_cv_lib_GLES_CM_eglInitialize+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lGLES_CM $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char eglInitialize (); +int +main () +{ +return eglInitialize (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_GLES_CM_eglInitialize=yes +else + ac_cv_lib_GLES_CM_eglInitialize=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GLES_CM_eglInitialize" >&5 +$as_echo "$ac_cv_lib_GLES_CM_eglInitialize" >&6; } +if test "x$ac_cv_lib_GLES_CM_eglInitialize" = xyes; then : + COGL_GLES1_LIBNAME="libGLES_CM.so" +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glFlush in -lGLESv1_CM" >&5 +$as_echo_n "checking for glFlush in -lGLESv1_CM... " >&6; } +if ${ac_cv_lib_GLESv1_CM_glFlush+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lGLESv1_CM $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char glFlush (); +int +main () +{ +return glFlush (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_GLESv1_CM_glFlush=yes +else + ac_cv_lib_GLESv1_CM_glFlush=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GLESv1_CM_glFlush" >&5 +$as_echo "$ac_cv_lib_GLESv1_CM_glFlush" >&6; } +if test "x$ac_cv_lib_GLESv1_CM_glFlush" = xyes; then : + COGL_GLES1_LIBNAME="libGLESv1_CM.so" + NEED_SEPARATE_EGL=yes + +else + as_fn_error $? "Unable to locate required GLES 1.x Common Profile library" "$LINENO" 5 +fi + + +fi + + + EGL_CHECKED=yes + +fi + +fi + +HAVE_GLES2=0 +# Check whether --enable-gles2 was given. +if test "${enable_gles2+set}" = set; then : + enableval=$enable_gles2; +else + enable_gles2=no + +fi + +if test "x$enable_gles2" = "xyes"; then : + + if test "x$platform_win32" = "xyes"; then : + as_fn_error $? "GLES 2 not available for win32" "$LINENO" 5 +fi + + enabled_drivers="$enabled_drivers gles2" + + cogl_gl_headers="GLES2/gl2.h GLES2/gl2ext.h" + +$as_echo "#define HAVE_COGL_GLES2 1" >>confdefs.h + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLES CLUTTER_COGL_HAS_GLES" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLES2" + HAVE_GLES2=1 + + if test "x$enable_emscripten" = "xyes"; then : + + GL_LIBRARY_DIRECTLY_LINKED=yes + COGL_GLES2_LIBNAME="" + +$as_echo "#define HAVE_COGL_WEBGL 1" >>confdefs.h + + +else + + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glesv2\""; } >&5 + ($PKG_CONFIG --exists --print-errors "glesv2") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + COGL_PKG_REQUIRES_GL="$COGL_PKG_REQUIRES_GL glesv2" + COGL_GLES2_LIBNAME="libGLESv2.so" + +else + + # We have to check the two headers independently as GLES2/gl2ext.h + # needs to include GLES2/gl2.h to have the GL types defined (eg. + # GLenum). + ac_fn_c_check_header_mongrel "$LINENO" "GLES2/gl2.h" "ac_cv_header_GLES2_gl2_h" "$ac_includes_default" +if test "x$ac_cv_header_GLES2_gl2_h" = xyes; then : + +else + as_fn_error $? "Unable to locate GLES2/gl2.h" "$LINENO" 5 +fi + + + ac_fn_c_check_header_compile "$LINENO" "GLES2/gl2ext.h" "ac_cv_header_GLES2_gl2ext_h" "#include +" +if test "x$ac_cv_header_GLES2_gl2ext_h" = xyes; then : + +else + as_fn_error $? "Unable to locate GLES2/gl2ext.h" "$LINENO" 5 +fi + + + + COGL_GLES2_LIBNAME="libGLESv2.so" + +fi + +fi + +fi + +HAVE_GL=0 +# Check whether --enable-gl was given. +if test "${enable_gl+set}" = set; then : + enableval=$enable_gl; +else + enable_gl=yes + +fi + +if test "x$enable_gl" = "xyes"; then : + + enabled_drivers="$enabled_drivers gl" + + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"x11\""; } >&5 + ($PKG_CONFIG --exists --print-errors "x11") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + ALLOW_GLX=yes +fi + + cogl_gl_headers="GL/gl.h" + + if test "x$platform_quartz" = "xyes"; then : + + cogl_gl_headers="OpenGL/gl.h" + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -framework OpenGL" + GL_LIBRARY_DIRECTLY_LINKED=yes + COGL_GL_LIBNAME="" + +elif test "x$platform_win32" = "xyes"; then : + + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -lopengl32 -lgdi32 -lwinmm" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -D_WIN32_WINNT=0x0500" + ALLOW_WGL=yes + GL_LIBRARY_DIRECTLY_LINKED=yes + COGL_GL_LIBNAME="" + +else + + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gl\""; } >&5 + ($PKG_CONFIG --exists --print-errors "gl") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + COGL_PKG_REQUIRES_GL="$COGL_PKG_REQUIRES_GL gl" +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for glGetString in -lGL" >&5 +$as_echo_n "checking for glGetString in -lGL... " >&6; } +if ${ac_cv_lib_GL_glGetString+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lGL $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char glGetString (); +int +main () +{ +return glGetString (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_GL_glGetString=yes +else + ac_cv_lib_GL_glGetString=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GL_glGetString" >&5 +$as_echo "$ac_cv_lib_GL_glGetString" >&6; } +if test "x$ac_cv_lib_GL_glGetString" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBGL 1 +_ACEOF + + LIBS="-lGL $LIBS" + +else + as_fn_error $? "Unable to locate required GL library" "$LINENO" 5 +fi + + +fi + COGL_GL_LIBNAME="libGL.so.1" + +fi + + +$as_echo "#define HAVE_COGL_GL 1" >>confdefs.h + + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GL" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS CLUTTER_COGL_HAS_GL" + HAVE_GL=1 + +fi + + if test "x$enable_gl" = "xyes"; then + COGL_DRIVER_GL_SUPPORTED_TRUE= + COGL_DRIVER_GL_SUPPORTED_FALSE='#' +else + COGL_DRIVER_GL_SUPPORTED_TRUE='#' + COGL_DRIVER_GL_SUPPORTED_FALSE= +fi + + if test "x$enable_gles1" = "xyes" || test "x$enable_gles2" = "xyes"; then + COGL_DRIVER_GLES_SUPPORTED_TRUE= + COGL_DRIVER_GLES_SUPPORTED_FALSE='#' +else + COGL_DRIVER_GLES_SUPPORTED_TRUE='#' + COGL_DRIVER_GLES_SUPPORTED_FALSE= +fi + + + +# Check whether --with-gl-libname was given. +if test "${with_gl_libname+set}" = set; then : + withval=$with_gl_libname; COGL_GL_LIBNAME="$withval" +fi + + +# Check whether --with-gles1-libname was given. +if test "${with_gles1_libname+set}" = set; then : + withval=$with_gles1_libname; COGL_GLES1_LIBNAME="$withval" +fi + + +# Check whether --with-gles2-libname was given. +if test "${with_gles2_libname+set}" = set; then : + withval=$with_gles2_libname; COGL_GLES2_LIBNAME="$withval" +fi + + +# Check whether --with-default-driver was given. +if test "${with_default_driver+set}" = set; then : + withval=$with_default_driver; COGL_DEFAULT_DRIVER="${withval}" +else + COGL_DEFAULT_DRIVER="" +fi + + + if test "x$COGL_DEFAULT_DRIVER" != "x" ; then + HAVE_COGL_DEFAULT_DRIVER_TRUE= + HAVE_COGL_DEFAULT_DRIVER_FALSE='#' +else + HAVE_COGL_DEFAULT_DRIVER_TRUE='#' + HAVE_COGL_DEFAULT_DRIVER_FALSE= +fi + + + + + + + + + + + +if test "x$GL_LIBRARY_DIRECTLY_LINKED" = "xyes"; then + +$as_echo "#define HAVE_DIRECTLY_LINKED_GL_LIBRARY 1" >>confdefs.h + +fi + +# Check whether --enable-cogl-gles2 was given. +if test "${enable_cogl_gles2+set}" = set; then : + enableval=$enable_cogl_gles2; +else + + if test "x$HAVE_GLES2" = "x1"; then : + enable_cogl_gles2=yes +else + enable_cogl_gles2=no +fi + + +fi + +if test "x$enable_cogl_gles2" = "xyes"; then : + + if test "x$HAVE_GLES2" != "x1"; then : + + as_fn_error $? "libcogl-gles2 is currently only supported on systems with a native GLES 2.0 library" "$LINENO" 5 + +fi + +fi + if test "x$enable_cogl_gles2" = "xyes"; then + BUILD_COGL_GLES2_TRUE= + BUILD_COGL_GLES2_FALSE='#' +else + BUILD_COGL_GLES2_TRUE='#' + BUILD_COGL_GLES2_FALSE= +fi + + + + +# Check whether --enable-glx was given. +if test "${enable_glx+set}" = set; then : + enableval=$enable_glx; +else + if test "x$ALLOW_GLX" = "xyes"; then : + enable_glx=yes +else + enable_glx=no +fi + +fi + +if test "x$enable_glx" = "xyes"; then : + + if test "x$ALLOW_GLX" != "xyes"; then : + as_fn_error $? "GLX not supported with this configuration" "$LINENO" 5 +fi + + NEED_XLIB=yes + SUPPORT_GLX=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS glx" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLX_SUPPORT" + +fi + if test "x$SUPPORT_GLX" = "xyes"; then + SUPPORT_GLX_TRUE= + SUPPORT_GLX_FALSE='#' +else + SUPPORT_GLX_TRUE='#' + SUPPORT_GLX_FALSE= +fi + + +# Check whether --enable-wgl was given. +if test "${enable_wgl+set}" = set; then : + enableval=$enable_wgl; +else + if test "x$ALLOW_WGL" = "xyes"; then : + enable_wgl=yes +else + enable_wgl=no +fi + +fi + +if test "x$enable_wgl" = "xyes"; then : + + if test "x$ALLOW_WGL" != "xyes"; then : + as_fn_error $? "WGL not supported with this configuration" "$LINENO" 5 +fi + + SUPPORT_WGL=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS wgl" + + +$as_echo "#define COGL_HAS_WGL_SUPPORT 1" >>confdefs.h + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_WIN32_SUPPORT" + +fi + if test "x$SUPPORT_WGL" = "xyes"; then + SUPPORT_WGL_TRUE= + SUPPORT_WGL_FALSE='#' +else + SUPPORT_WGL_TRUE='#' + SUPPORT_WGL_FALSE= +fi + + +# Check whether --enable-sdl was given. +if test "${enable_sdl+set}" = set; then : + enableval=$enable_sdl; +else + enable_sdl=no +fi + +if test "x$enable_sdl" = "xyes"; then : + + if test "x$enable_emscripten" = "xno"; then : + + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SDL" >&5 +$as_echo_n "checking for SDL... " >&6; } + +if test -n "$SDL_CFLAGS"; then + pkg_cv_SDL_CFLAGS="$SDL_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl\""; } >&5 + ($PKG_CONFIG --exists --print-errors "sdl") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_SDL_CFLAGS=`$PKG_CONFIG --cflags "sdl" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$SDL_LIBS"; then + pkg_cv_SDL_LIBS="$SDL_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl\""; } >&5 + ($PKG_CONFIG --exists --print-errors "sdl") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_SDL_LIBS=`$PKG_CONFIG --libs "sdl" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + SDL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "sdl" 2>&1` + else + SDL_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "sdl" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$SDL_PKG_ERRORS" >&5 + + + ac_fn_c_check_header_mongrel "$LINENO" "SDL/SDL.h" "ac_cv_header_SDL_SDL_h" "$ac_includes_default" +if test "x$ac_cv_header_SDL_SDL_h" = xyes; then : + +else + as_fn_error $? "SDL support requested but SDL not found" "$LINENO" 5 +fi + + + +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + ac_fn_c_check_header_mongrel "$LINENO" "SDL/SDL.h" "ac_cv_header_SDL_SDL_h" "$ac_includes_default" +if test "x$ac_cv_header_SDL_SDL_h" = xyes; then : + +else + as_fn_error $? "SDL support requested but SDL not found" "$LINENO" 5 +fi + + + +else + SDL_CFLAGS=$pkg_cv_SDL_CFLAGS + SDL_LIBS=$pkg_cv_SDL_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES sdl" + +fi + +fi + + SUPPORT_SDL=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS sdl" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_SDL_SUPPORT" + + if test "x$enable_emscripten" = "xyes"; then : + + SUPPORTED_SDL_GL_APIS="webgl" + SUPPORT_SDL_WEBGL=yes + SUPPORT_SDL_GLES=no + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_SDL_WEBGL_SUPPORT" + +else + + cogl_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $SDL_CFLAGS" + ac_fn_c_check_decl "$LINENO" "SDL_OPENGLES" "ac_cv_have_decl_SDL_OPENGLES" "#include +" +if test "x$ac_cv_have_decl_SDL_OPENGLES" = xyes; then : + SUPPORT_SDL_GLES=yes +else + SUPPORT_SDL_GLES=no +fi + + ac_fn_c_check_decl "$LINENO" "SDL_GL_CONTEXT_MAJOR_VERSION" "ac_cv_have_decl_SDL_GL_CONTEXT_MAJOR_VERSION" "#include +" +if test "x$ac_cv_have_decl_SDL_GL_CONTEXT_MAJOR_VERSION" = xyes; then : + +else + SUPPORT_SDL_GLES=no +fi + + ac_fn_c_check_decl "$LINENO" "SDL_GL_CONTEXT_MINOR_VERSION" "ac_cv_have_decl_SDL_GL_CONTEXT_MINOR_VERSION" "#include +" +if test "x$ac_cv_have_decl_SDL_GL_CONTEXT_MINOR_VERSION" = xyes; then : + +else + SUPPORT_SDL_GLES=no +fi + + CPPFLAGS="$cogl_save_CPPFLAGS" + + if test "x$SUPPORT_SDL_GLES" = "xyes"; then : + + SUPPORTED_SDL_GL_APIS="gles1 gles2" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_SDL_GLES_SUPPORT" + +else + SUPPORTED_SDL_GL_APIS="gl" +fi + +fi + +else + SUPPORT_SDL=no +fi + if test "x$SUPPORT_SDL" = "xyes"; then + SUPPORT_SDL_TRUE= + SUPPORT_SDL_FALSE='#' +else + SUPPORT_SDL_TRUE='#' + SUPPORT_SDL_FALSE= +fi + + +# Check whether --enable-sdl2 was given. +if test "${enable_sdl2+set}" = set; then : + enableval=$enable_sdl2; +else + enable_sdl2=no +fi + +if test "x$enable_sdl2" = "xyes"; then : + + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SDL2" >&5 +$as_echo_n "checking for SDL2... " >&6; } + +if test -n "$SDL2_CFLAGS"; then + pkg_cv_SDL2_CFLAGS="$SDL2_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl2\""; } >&5 + ($PKG_CONFIG --exists --print-errors "sdl2") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_SDL2_CFLAGS=`$PKG_CONFIG --cflags "sdl2" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$SDL2_LIBS"; then + pkg_cv_SDL2_LIBS="$SDL2_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"sdl2\""; } >&5 + ($PKG_CONFIG --exists --print-errors "sdl2") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_SDL2_LIBS=`$PKG_CONFIG --libs "sdl2" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + SDL2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "sdl2" 2>&1` + else + SDL2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "sdl2" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$SDL2_PKG_ERRORS" >&5 + + as_fn_error $? "SDL2 support requested but SDL2 not found" "$LINENO" 5 +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + as_fn_error $? "SDL2 support requested but SDL2 not found" "$LINENO" 5 +else + SDL2_CFLAGS=$pkg_cv_SDL2_CFLAGS + SDL2_LIBS=$pkg_cv_SDL2_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + + SUPPORT_SDL2=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS sdl2" + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES sdl2" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_SDL_SUPPORT" + +else + SUPPORT_SDL2=no +fi + if test "x$SUPPORT_SDL2" = "xyes"; then + SUPPORT_SDL2_TRUE= + SUPPORT_SDL2_FALSE='#' +else + SUPPORT_SDL2_TRUE='#' + SUPPORT_SDL2_FALSE= +fi + + +if test "x$SUPPORT_SDL2" = "xyes" -a "x$SUPPORT_SDL" = "xyes"; then : + as_fn_error $? "The SDL1 and SDL2 winsyses are currently mutually exclusive" "$LINENO" 5 +fi + +EGL_PLATFORM_COUNT=0 + +# Check whether --enable-null-egl-platform was given. +if test "${enable_null_egl_platform+set}" = set; then : + enableval=$enable_null_egl_platform; +else + enable_null_egl_platform=no + +fi + +if test "x$enable_null_egl_platform" = "xyes"; then : + + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS null" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_POWERVR_NULL_SUPPORT" + +fi + if test "x$enable_null_egl_platform" = "xyes"; then + SUPPORT_EGL_PLATFORM_POWERVR_NULL_TRUE= + SUPPORT_EGL_PLATFORM_POWERVR_NULL_FALSE='#' +else + SUPPORT_EGL_PLATFORM_POWERVR_NULL_TRUE='#' + SUPPORT_EGL_PLATFORM_POWERVR_NULL_FALSE= +fi + + +# Check whether --enable-gdl-egl-platform was given. +if test "${enable_gdl_egl_platform+set}" = set; then : + enableval=$enable_gdl_egl_platform; +else + enable_gdl_egl_platform=no + +fi + +if test "x$enable_gdl_egl_platform" = "xyes"; then : + + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS gdl" + + for ac_header in libgdl.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "libgdl.h" "ac_cv_header_libgdl_h" "$ac_includes_default" +if test "x$ac_cv_header_libgdl_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LIBGDL_H 1 +_ACEOF + +else + + for ac_header in CE4100/libgdl.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "CE4100/libgdl.h" "ac_cv_header_CE4100_libgdl_h" "$ac_includes_default" +if test "x$ac_cv_header_CE4100_libgdl_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_CE4100_LIBGDL_H 1 +_ACEOF + + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I/usr/include/CE4100" + +else + as_fn_error $? "libgdl.h not found" "$LINENO" 5 +fi + +done + + +fi + +done + + + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -lgdl" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_GDL_SUPPORT" + +fi + if test "x$enable_gdl_egl_platform" = "xyes"; then + SUPPORT_EGL_PLATFORM_GDL_TRUE= + SUPPORT_EGL_PLATFORM_GDL_FALSE='#' +else + SUPPORT_EGL_PLATFORM_GDL_TRUE='#' + SUPPORT_EGL_PLATFORM_GDL_FALSE= +fi + + +# Check whether --enable-wayland-egl-platform was given. +if test "${enable_wayland_egl_platform+set}" = set; then : + enableval=$enable_wayland_egl_platform; +else + enable_wayland_egl_platform=no + +fi + +if test "x$enable_wayland_egl_platform" = "xyes"; then : + + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS wayland" + + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for WAYLAND_CLIENT" >&5 +$as_echo_n "checking for WAYLAND_CLIENT... " >&6; } + +if test -n "$WAYLAND_CLIENT_CFLAGS"; then + pkg_cv_WAYLAND_CLIENT_CFLAGS="$WAYLAND_CLIENT_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"wayland-egl >= 1.0.0 wayland-client >= 1.0.0\""; } >&5 + ($PKG_CONFIG --exists --print-errors "wayland-egl >= 1.0.0 wayland-client >= 1.0.0") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_WAYLAND_CLIENT_CFLAGS=`$PKG_CONFIG --cflags "wayland-egl >= 1.0.0 wayland-client >= 1.0.0" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$WAYLAND_CLIENT_LIBS"; then + pkg_cv_WAYLAND_CLIENT_LIBS="$WAYLAND_CLIENT_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"wayland-egl >= 1.0.0 wayland-client >= 1.0.0\""; } >&5 + ($PKG_CONFIG --exists --print-errors "wayland-egl >= 1.0.0 wayland-client >= 1.0.0") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_WAYLAND_CLIENT_LIBS=`$PKG_CONFIG --libs "wayland-egl >= 1.0.0 wayland-client >= 1.0.0" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + WAYLAND_CLIENT_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "wayland-egl >= 1.0.0 wayland-client >= 1.0.0" 2>&1` + else + WAYLAND_CLIENT_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "wayland-egl >= 1.0.0 wayland-client >= 1.0.0" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$WAYLAND_CLIENT_PKG_ERRORS" >&5 + + as_fn_error $? "Package requirements (wayland-egl >= 1.0.0 wayland-client >= 1.0.0) were not met: + +$WAYLAND_CLIENT_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +Alternatively, you may set the environment variables WAYLAND_CLIENT_CFLAGS +and WAYLAND_CLIENT_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details." "$LINENO" 5 +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +Alternatively, you may set the environment variables WAYLAND_CLIENT_CFLAGS +and WAYLAND_CLIENT_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details. + +To get pkg-config, see . +See \`config.log' for more details" "$LINENO" 5; } +else + WAYLAND_CLIENT_CFLAGS=$pkg_cv_WAYLAND_CLIENT_CFLAGS + WAYLAND_CLIENT_LIBS=$pkg_cv_WAYLAND_CLIENT_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES wayland-egl >= 1.0.0" + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES wayland-client >= 1.0.0" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT" + +fi + if test "x$enable_wayland_egl_platform" = "xyes"; then + SUPPORT_EGL_PLATFORM_WAYLAND_TRUE= + SUPPORT_EGL_PLATFORM_WAYLAND_FALSE='#' +else + SUPPORT_EGL_PLATFORM_WAYLAND_TRUE='#' + SUPPORT_EGL_PLATFORM_WAYLAND_FALSE= +fi + + + +# Check whether --enable-kms-egl-platform was given. +if test "${enable_kms_egl_platform+set}" = set; then : + enableval=$enable_kms_egl_platform; +else + enable_kms_egl_platform=no + +fi + +if test "x$enable_kms_egl_platform" = "xyes"; then : + + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS kms" + + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gbm\""; } >&5 + ($PKG_CONFIG --exists --print-errors "gbm") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES gbm" + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES libdrm" + +else + as_fn_error $? "Unable to locate required libgbm library for the KMS egl platform" "$LINENO" 5 +fi + + GBM_VERSION=`$PKG_CONFIG --modversion gbm` + GBM_MAJOR=`echo $GBM_VERSION | cut -d'.' -f1` + GBM_MINOR=`echo $GBM_VERSION | cut -d'.' -f2` + GBM_MICRO=`echo $GBM_VERSION | cut -d'.' -f3 | sed 's/-.*//'` + + +cat >>confdefs.h <<_ACEOF +#define COGL_GBM_MAJOR $GBM_MAJOR +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define COGL_GBM_MINOR $GBM_MINOR +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define COGL_GBM_MICRO $GBM_MICRO +_ACEOF + + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_KMS_SUPPORT" + +fi + if test "x$enable_kms_egl_platform" = "xyes"; then + SUPPORT_EGL_PLATFORM_KMS_TRUE= + SUPPORT_EGL_PLATFORM_KMS_FALSE='#' +else + SUPPORT_EGL_PLATFORM_KMS_TRUE='#' + SUPPORT_EGL_PLATFORM_KMS_FALSE= +fi + + +# Check whether --enable-wayland-egl-server was given. +if test "${enable_wayland_egl_server+set}" = set; then : + enableval=$enable_wayland_egl_server; +else + enable_wayland_egl_server=no + +fi + +if test "x$enable_wayland_egl_server" = "xyes"; then : + + NEED_EGL=yes + + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for WAYLAND_SERVER" >&5 +$as_echo_n "checking for WAYLAND_SERVER... " >&6; } + +if test -n "$WAYLAND_SERVER_CFLAGS"; then + pkg_cv_WAYLAND_SERVER_CFLAGS="$WAYLAND_SERVER_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"wayland-server >= 1.1.90\""; } >&5 + ($PKG_CONFIG --exists --print-errors "wayland-server >= 1.1.90") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_WAYLAND_SERVER_CFLAGS=`$PKG_CONFIG --cflags "wayland-server >= 1.1.90" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$WAYLAND_SERVER_LIBS"; then + pkg_cv_WAYLAND_SERVER_LIBS="$WAYLAND_SERVER_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"wayland-server >= 1.1.90\""; } >&5 + ($PKG_CONFIG --exists --print-errors "wayland-server >= 1.1.90") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_WAYLAND_SERVER_LIBS=`$PKG_CONFIG --libs "wayland-server >= 1.1.90" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + WAYLAND_SERVER_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "wayland-server >= 1.1.90" 2>&1` + else + WAYLAND_SERVER_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "wayland-server >= 1.1.90" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$WAYLAND_SERVER_PKG_ERRORS" >&5 + + as_fn_error $? "Package requirements (wayland-server >= 1.1.90) were not met: + +$WAYLAND_SERVER_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +Alternatively, you may set the environment variables WAYLAND_SERVER_CFLAGS +and WAYLAND_SERVER_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details." "$LINENO" 5 +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +Alternatively, you may set the environment variables WAYLAND_SERVER_CFLAGS +and WAYLAND_SERVER_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details. + +To get pkg-config, see . +See \`config.log' for more details" "$LINENO" 5; } +else + WAYLAND_SERVER_CFLAGS=$pkg_cv_WAYLAND_SERVER_CFLAGS + WAYLAND_SERVER_LIBS=$pkg_cv_WAYLAND_SERVER_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES wayland-server >= 1.1.90" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT" + +fi + if test "x$enable_wayland_egl_server" = "xyes"; then + SUPPORT_WAYLAND_EGL_SERVER_TRUE= + SUPPORT_WAYLAND_EGL_SERVER_FALSE='#' +else + SUPPORT_WAYLAND_EGL_SERVER_TRUE='#' + SUPPORT_WAYLAND_EGL_SERVER_FALSE= +fi + + +# Check whether --enable-android-egl-platform was given. +if test "${enable_android_egl_platform+set}" = set; then : + enableval=$enable_android_egl_platform; +else + enable_android_egl_platform=no + +fi + +if test "x$enable_android_egl_platform" = "xyes"; then : + + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS android" + + ac_fn_c_check_header_mongrel "$LINENO" "android/native_window.h" "ac_cv_header_android_native_window_h" "$ac_includes_default" +if test "x$ac_cv_header_android_native_window_h" = xyes; then : + +else + as_fn_error $? "Unable to locate android/native_window.h" "$LINENO" 5 +fi + + + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT" + +fi + if test "x$enable_android_egl_platform" = "xyes"; then + SUPPORT_EGL_PLATFORM_ANDROID_TRUE= + SUPPORT_EGL_PLATFORM_ANDROID_FALSE='#' +else + SUPPORT_EGL_PLATFORM_ANDROID_TRUE='#' + SUPPORT_EGL_PLATFORM_ANDROID_FALSE= +fi + + +# Check whether --enable-xlib-egl-platform was given. +if test "${enable_xlib_egl_platform+set}" = set; then : + enableval=$enable_xlib_egl_platform; +else + if test "x$enable_gles1" = "xyes" -o \ + "x$enable_gles2" = "xyes" && \ + test "x$SUPPORT_SDL_GLES" != "xyes" && \ + test "x$SUPPORT_SDL_WEBGL" != "xyes" && \ + test "x$SUPPORT_SDL2" != "xyes" && \ + test $EGL_PLATFORM_COUNT -eq 0; then : + enable_xlib_egl_platform=yes +else + enable_xlib_egl_platform=no +fi + +fi + +if test "x$enable_xlib_egl_platform" = "xyes"; then : + + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + NEED_XLIB=yes + EGL_PLATFORMS="$EGL_PLATFORMS xlib" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_XLIB_SUPPORT" + +fi + if test "x$enable_xlib_egl_platform" = "xyes"; then + SUPPORT_EGL_PLATFORM_XLIB_TRUE= + SUPPORT_EGL_PLATFORM_XLIB_FALSE='#' +else + SUPPORT_EGL_PLATFORM_XLIB_TRUE='#' + SUPPORT_EGL_PLATFORM_XLIB_FALSE= +fi + + +if test "x$NEED_EGL" = "xyes" && test "x$EGL_CHECKED" != "xyes"; then : + + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"egl\""; } >&5 + ($PKG_CONFIG --exists --print-errors "egl") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES egl" +else + + for ac_header in EGL/egl.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "EGL/egl.h" "ac_cv_header_EGL_egl_h" "$ac_includes_default" +if test "x$ac_cv_header_EGL_egl_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_EGL_EGL_H 1 +_ACEOF + +else + as_fn_error $? "Unable to locate required EGL headers" "$LINENO" 5 +fi + +done + + for ac_header in EGL/eglext.h +do : + ac_fn_c_check_header_compile "$LINENO" "EGL/eglext.h" "ac_cv_header_EGL_eglext_h" "#include +" +if test "x$ac_cv_header_EGL_eglext_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_EGL_EGLEXT_H 1 +_ACEOF + +else + as_fn_error $? "Unable to locate required EGL headers" "$LINENO" 5 +fi + +done + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for eglInitialize in -lEGL" >&5 +$as_echo_n "checking for eglInitialize in -lEGL... " >&6; } +if ${ac_cv_lib_EGL_eglInitialize+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lEGL $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char eglInitialize (); +int +main () +{ +return eglInitialize (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_EGL_eglInitialize=yes +else + ac_cv_lib_EGL_eglInitialize=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_EGL_eglInitialize" >&5 +$as_echo "$ac_cv_lib_EGL_eglInitialize" >&6; } +if test "x$ac_cv_lib_EGL_eglInitialize" = xyes; then : + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -lEGL" +else + as_fn_error $? "Unable to locate required EGL library" "$LINENO" 5 +fi + + + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -lEGL" + + +fi + + COGL_EGL_INCLUDES="#include +#include " + + +fi + +if test "x$NEED_EGL" = "xyes"; then : + + SUPPORT_EGL=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS egl" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_SUPPORT" + +fi + + if test "x$SUPPORT_EGL" = "xyes"; then + SUPPORT_EGL_TRUE= + SUPPORT_EGL_FALSE='#' +else + SUPPORT_EGL_TRUE='#' + SUPPORT_EGL_FALSE= +fi + + +if test "x$NEED_XLIB" = "xyes"; then : + + X11_MODULES="x11 xext xfixes >= 3 xdamage xcomposite >= 0.4 xrandr >= 1.2" + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for DUMMY" >&5 +$as_echo_n "checking for DUMMY... " >&6; } + +if test -n "$DUMMY_CFLAGS"; then + pkg_cv_DUMMY_CFLAGS="$DUMMY_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$X11_MODULES\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$X11_MODULES") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_DUMMY_CFLAGS=`$PKG_CONFIG --cflags "$X11_MODULES" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$DUMMY_LIBS"; then + pkg_cv_DUMMY_LIBS="$DUMMY_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$X11_MODULES\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$X11_MODULES") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_DUMMY_LIBS=`$PKG_CONFIG --libs "$X11_MODULES" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + DUMMY_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$X11_MODULES" 2>&1` + else + DUMMY_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$X11_MODULES" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$DUMMY_PKG_ERRORS" >&5 + + as_fn_error $? "Package requirements ($X11_MODULES) were not met: + +$DUMMY_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +Alternatively, you may set the environment variables DUMMY_CFLAGS +and DUMMY_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details." "$LINENO" 5 +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +Alternatively, you may set the environment variables DUMMY_CFLAGS +and DUMMY_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details. + +To get pkg-config, see . +See \`config.log' for more details" "$LINENO" 5; } +else + DUMMY_CFLAGS=$pkg_cv_DUMMY_CFLAGS + DUMMY_LIBS=$pkg_cv_DUMMY_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES $X11_MODULES" +fi + SUPPORT_X11=yes + SUPPORT_XLIB=yes + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_X11" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_X11_SUPPORT" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_XLIB" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_XLIB_SUPPORT" + +fi + + if test "x$SUPPORT_X11" = "xyes"; then + X11_TESTS_TRUE= + X11_TESTS_FALSE='#' +else + X11_TESTS_TRUE='#' + X11_TESTS_FALSE= +fi + + if test "x$SUPPORT_X11" = "xyes"; then + SUPPORT_X11_TRUE= + SUPPORT_X11_FALSE='#' +else + SUPPORT_X11_TRUE='#' + SUPPORT_X11_FALSE= +fi + + if test "x$SUPPORT_XLIB" = "xyes"; then + SUPPORT_XLIB_TRUE= + SUPPORT_XLIB_FALSE='#' +else + SUPPORT_XLIB_TRUE='#' + SUPPORT_XLIB_FALSE= +fi + + +# gtkdocize greps for ^GTK_DOC_CHECK and parses it, so you need to have +# it on it's own line. + + + + + # Extract the first word of "gtkdoc-check", so it can be a program name with args. +set dummy gtkdoc-check; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_GTKDOC_CHECK+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $GTKDOC_CHECK in + [\\/]* | ?:[\\/]*) + ac_cv_path_GTKDOC_CHECK="$GTKDOC_CHECK" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_GTKDOC_CHECK="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +GTKDOC_CHECK=$ac_cv_path_GTKDOC_CHECK +if test -n "$GTKDOC_CHECK"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GTKDOC_CHECK" >&5 +$as_echo "$GTKDOC_CHECK" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + for ac_prog in gtkdoc-rebase +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_GTKDOC_REBASE+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $GTKDOC_REBASE in + [\\/]* | ?:[\\/]*) + ac_cv_path_GTKDOC_REBASE="$GTKDOC_REBASE" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_GTKDOC_REBASE="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +GTKDOC_REBASE=$ac_cv_path_GTKDOC_REBASE +if test -n "$GTKDOC_REBASE"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GTKDOC_REBASE" >&5 +$as_echo "$GTKDOC_REBASE" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$GTKDOC_REBASE" && break +done +test -n "$GTKDOC_REBASE" || GTKDOC_REBASE="true" + + # Extract the first word of "gtkdoc-mkpdf", so it can be a program name with args. +set dummy gtkdoc-mkpdf; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_GTKDOC_MKPDF+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $GTKDOC_MKPDF in + [\\/]* | ?:[\\/]*) + ac_cv_path_GTKDOC_MKPDF="$GTKDOC_MKPDF" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_GTKDOC_MKPDF="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +GTKDOC_MKPDF=$ac_cv_path_GTKDOC_MKPDF +if test -n "$GTKDOC_MKPDF"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GTKDOC_MKPDF" >&5 +$as_echo "$GTKDOC_MKPDF" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + +# Check whether --with-html-dir was given. +if test "${with_html_dir+set}" = set; then : + withval=$with_html_dir; +else + with_html_dir='${datadir}/gtk-doc/html' +fi + + HTML_DIR="$with_html_dir" + + + # Check whether --enable-gtk-doc was given. +if test "${enable_gtk_doc+set}" = set; then : + enableval=$enable_gtk_doc; +else + enable_gtk_doc=no +fi + + + if test x$enable_gtk_doc = xyes; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gtk-doc >= 1.13\""; } >&5 + ($PKG_CONFIG --exists --print-errors "gtk-doc >= 1.13") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + : +else + as_fn_error $? "You need to have gtk-doc >= 1.13 installed to build $PACKAGE_NAME" "$LINENO" 5 +fi + if test "x$PACKAGE_NAME" != "xglib"; then + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GTKDOC_DEPS" >&5 +$as_echo_n "checking for GTKDOC_DEPS... " >&6; } + +if test -n "$GTKDOC_DEPS_CFLAGS"; then + pkg_cv_GTKDOC_DEPS_CFLAGS="$GTKDOC_DEPS_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0\""; } >&5 + ($PKG_CONFIG --exists --print-errors "glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_GTKDOC_DEPS_CFLAGS=`$PKG_CONFIG --cflags "glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$GTKDOC_DEPS_LIBS"; then + pkg_cv_GTKDOC_DEPS_LIBS="$GTKDOC_DEPS_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0\""; } >&5 + ($PKG_CONFIG --exists --print-errors "glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_GTKDOC_DEPS_LIBS=`$PKG_CONFIG --libs "glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + GTKDOC_DEPS_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0" 2>&1` + else + GTKDOC_DEPS_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "glib-2.0 >= 2.10.0 gobject-2.0 >= 2.10.0" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$GTKDOC_DEPS_PKG_ERRORS" >&5 + + : +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + : +else + GTKDOC_DEPS_CFLAGS=$pkg_cv_GTKDOC_DEPS_CFLAGS + GTKDOC_DEPS_LIBS=$pkg_cv_GTKDOC_DEPS_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + fi + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build gtk-doc documentation" >&5 +$as_echo_n "checking whether to build gtk-doc documentation... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_gtk_doc" >&5 +$as_echo "$enable_gtk_doc" >&6; } + + # Check whether --enable-gtk-doc-html was given. +if test "${enable_gtk_doc_html+set}" = set; then : + enableval=$enable_gtk_doc_html; +else + enable_gtk_doc_html=yes +fi + + # Check whether --enable-gtk-doc-pdf was given. +if test "${enable_gtk_doc_pdf+set}" = set; then : + enableval=$enable_gtk_doc_pdf; +else + enable_gtk_doc_pdf=no +fi + + + if test -z "$GTKDOC_MKPDF"; then + enable_gtk_doc_pdf=no + fi + + if test -z "$AM_DEFAULT_VERBOSITY"; then + AM_DEFAULT_VERBOSITY=1 + fi + + + if test x$enable_gtk_doc = xyes; then + ENABLE_GTK_DOC_TRUE= + ENABLE_GTK_DOC_FALSE='#' +else + ENABLE_GTK_DOC_TRUE='#' + ENABLE_GTK_DOC_FALSE= +fi + + if test x$enable_gtk_doc_html = xyes; then + GTK_DOC_BUILD_HTML_TRUE= + GTK_DOC_BUILD_HTML_FALSE='#' +else + GTK_DOC_BUILD_HTML_TRUE='#' + GTK_DOC_BUILD_HTML_FALSE= +fi + + if test x$enable_gtk_doc_pdf = xyes; then + GTK_DOC_BUILD_PDF_TRUE= + GTK_DOC_BUILD_PDF_FALSE='#' +else + GTK_DOC_BUILD_PDF_TRUE='#' + GTK_DOC_BUILD_PDF_FALSE= +fi + + if test -n "$LIBTOOL"; then + GTK_DOC_USE_LIBTOOL_TRUE= + GTK_DOC_USE_LIBTOOL_FALSE='#' +else + GTK_DOC_USE_LIBTOOL_TRUE='#' + GTK_DOC_USE_LIBTOOL_FALSE= +fi + + if test -n "$GTKDOC_REBASE"; then + GTK_DOC_USE_REBASE_TRUE= + GTK_DOC_USE_REBASE_FALSE='#' +else + GTK_DOC_USE_REBASE_TRUE='#' + GTK_DOC_USE_REBASE_FALSE= +fi + + + + if test "x$enable_gtk_doc" = "xyes"; then + BUILD_GTK_DOC_TRUE= + BUILD_GTK_DOC_FALSE='#' +else + BUILD_GTK_DOC_TRUE='#' + BUILD_GTK_DOC_FALSE= +fi + + +GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`" +GDKPIXBUF_PREFIX="`$PKG_CONFIG --variable=prefix gdk-pixbuf-2.0`" + + + + + +mkdir_p="$MKDIR_P" +case $mkdir_p in + [\\/$]* | ?:[\\/]*) ;; + */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;; +esac + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether NLS is requested" >&5 +$as_echo_n "checking whether NLS is requested... " >&6; } + # Check whether --enable-nls was given. +if test "${enable_nls+set}" = set; then : + enableval=$enable_nls; USE_NLS=$enableval +else + USE_NLS=yes +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_NLS" >&5 +$as_echo "$USE_NLS" >&6; } + + + + + GETTEXT_MACRO_VERSION=0.17 + + + + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "msgfmt", so it can be a program name with args. +set dummy msgfmt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_MSGFMT+:} false; then : + $as_echo_n "(cached) " >&6 +else + case "$MSGFMT" in + [\\/]* | ?:[\\/]*) + ac_cv_path_MSGFMT="$MSGFMT" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + echo "$as_me: trying $ac_dir/$ac_word..." >&5 + if $ac_dir/$ac_word --statistics /dev/null >&5 2>&1 && + (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then + ac_cv_path_MSGFMT="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" + test -z "$ac_cv_path_MSGFMT" && ac_cv_path_MSGFMT=":" + ;; +esac +fi +MSGFMT="$ac_cv_path_MSGFMT" +if test "$MSGFMT" != ":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSGFMT" >&5 +$as_echo "$MSGFMT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + # Extract the first word of "gmsgfmt", so it can be a program name with args. +set dummy gmsgfmt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_GMSGFMT+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $GMSGFMT in + [\\/]* | ?:[\\/]*) + ac_cv_path_GMSGFMT="$GMSGFMT" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_GMSGFMT="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_GMSGFMT" && ac_cv_path_GMSGFMT="$MSGFMT" + ;; +esac +fi +GMSGFMT=$ac_cv_path_GMSGFMT +if test -n "$GMSGFMT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GMSGFMT" >&5 +$as_echo "$GMSGFMT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + case `$MSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) MSGFMT_015=: ;; + *) MSGFMT_015=$MSGFMT ;; + esac + + case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;; + *) GMSGFMT_015=$GMSGFMT ;; + esac + + + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "xgettext", so it can be a program name with args. +set dummy xgettext; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_XGETTEXT+:} false; then : + $as_echo_n "(cached) " >&6 +else + case "$XGETTEXT" in + [\\/]* | ?:[\\/]*) + ac_cv_path_XGETTEXT="$XGETTEXT" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + echo "$as_me: trying $ac_dir/$ac_word..." >&5 + if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&5 2>&1 && + (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then + ac_cv_path_XGETTEXT="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" + test -z "$ac_cv_path_XGETTEXT" && ac_cv_path_XGETTEXT=":" + ;; +esac +fi +XGETTEXT="$ac_cv_path_XGETTEXT" +if test "$XGETTEXT" != ":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XGETTEXT" >&5 +$as_echo "$XGETTEXT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + rm -f messages.po + + case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;; + *) XGETTEXT_015=$XGETTEXT ;; + esac + + + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "msgmerge", so it can be a program name with args. +set dummy msgmerge; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_MSGMERGE+:} false; then : + $as_echo_n "(cached) " >&6 +else + case "$MSGMERGE" in + [\\/]* | ?:[\\/]*) + ac_cv_path_MSGMERGE="$MSGMERGE" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + echo "$as_me: trying $ac_dir/$ac_word..." >&5 + if $ac_dir/$ac_word --update -q /dev/null /dev/null >&5 2>&1; then + ac_cv_path_MSGMERGE="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" + test -z "$ac_cv_path_MSGMERGE" && ac_cv_path_MSGMERGE=":" + ;; +esac +fi +MSGMERGE="$ac_cv_path_MSGMERGE" +if test "$MSGMERGE" != ":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSGMERGE" >&5 +$as_echo "$MSGMERGE" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$localedir" || localedir='${datadir}/locale' + + + test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS= + + + ac_config_commands="$ac_config_commands po-directories" + + + + if test "X$prefix" = "XNONE"; then + acl_final_prefix="$ac_default_prefix" + else + acl_final_prefix="$prefix" + fi + if test "X$exec_prefix" = "XNONE"; then + acl_final_exec_prefix='${prefix}' + else + acl_final_exec_prefix="$exec_prefix" + fi + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" + prefix="$acl_save_prefix" + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by GCC" >&5 +$as_echo_n "checking for ld used by GCC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | [A-Za-z]:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the path of ld + ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` + while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do + ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${acl_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" + for ac_dir in $PATH; do + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + acl_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some GNU ld's only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in + *GNU* | *'with BFD'*) + test "$with_gnu_ld" != no && break ;; + *) + test "$with_gnu_ld" != yes && break ;; + esac + fi + done + IFS="$ac_save_ifs" +else + acl_cv_path_LD="$LD" # Let the user override the test with a path. +fi +fi + +LD="$acl_cv_path_LD" +if test -n "$LD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${acl_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU ld's only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$acl_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$acl_cv_prog_gnu_ld + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shared library run path origin" >&5 +$as_echo_n "checking for shared library run path origin... " >&6; } +if ${acl_cv_rpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + + CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ + ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh + . ./conftest.sh + rm -f ./conftest.sh + acl_cv_rpath=done + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acl_cv_rpath" >&5 +$as_echo "$acl_cv_rpath" >&6; } + wl="$acl_cv_wl" + acl_libext="$acl_cv_libext" + acl_shlibext="$acl_cv_shlibext" + acl_libname_spec="$acl_cv_libname_spec" + acl_library_names_spec="$acl_cv_library_names_spec" + acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" + acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" + acl_hardcode_direct="$acl_cv_hardcode_direct" + acl_hardcode_minus_L="$acl_cv_hardcode_minus_L" + # Check whether --enable-rpath was given. +if test "${enable_rpath+set}" = set; then : + enableval=$enable_rpath; : +else + enable_rpath=yes +fi + + + + acl_libdirstem=lib + searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test -n "$searchpath"; then + acl_save_IFS="${IFS= }"; IFS=":" + for searchdir in $searchpath; do + if test -d "$searchdir"; then + case "$searchdir" in + */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; + *) searchdir=`cd "$searchdir" && pwd` + case "$searchdir" in + */lib64 ) acl_libdirstem=lib64 ;; + esac ;; + esac + fi + done + IFS="$acl_save_IFS" + fi + + + + + + + + + + use_additional=yes + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + +# Check whether --with-libiconv-prefix was given. +if test "${with_libiconv_prefix+set}" = set; then : + withval=$with_libiconv_prefix; + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + fi + fi + +fi + + LIBICONV= + LTLIBICONV= + INCICONV= + LIBICONV_PREFIX= + rpathdirs= + ltrpathdirs= + names_already_handled= + names_next_round='iconv ' + while test -n "$names_next_round"; do + names_this_round="$names_next_round" + names_next_round= + for name in $names_this_round; do + already_handled= + for n in $names_already_handled; do + if test "$n" = "$name"; then + already_handled=yes + break + fi + done + if test -z "$already_handled"; then + names_already_handled="$names_already_handled $name" + uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'` + eval value=\"\$HAVE_LIB$uppername\" + if test -n "$value"; then + if test "$value" = yes; then + eval value=\"\$LIB$uppername\" + test -z "$value" || LIBICONV="${LIBICONV}${LIBICONV:+ }$value" + eval value=\"\$LTLIB$uppername\" + test -z "$value" || LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }$value" + else + : + fi + else + found_dir= + found_la= + found_so= + found_a= + eval libname=\"$acl_libname_spec\" # typically: libname=lib$name + if test -n "$acl_shlibext"; then + shrext=".$acl_shlibext" # typically: shrext=.so + else + shrext= + fi + if test $use_additional = yes; then + dir="$additional_libdir" + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + fi + if test "X$found_dir" = "X"; then + for x in $LDFLAGS $LTLIBICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + case "$x" in + -L*) + dir=`echo "X$x" | sed -e 's/^X-L//'` + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + ;; + esac + if test "X$found_dir" != "X"; then + break + fi + done + fi + if test "X$found_dir" != "X"; then + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-L$found_dir -l$name" + if test "X$found_so" != "X"; then + if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/$acl_libdirstem"; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" + else + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $found_dir" + fi + if test "$acl_hardcode_direct" = yes; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" + else + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $found_dir" + fi + else + haveit= + for x in $LDFLAGS $LIBICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + LIBICONV="${LIBICONV}${LIBICONV:+ }-L$found_dir" + fi + if test "$acl_hardcode_minus_L" != no; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" + else + LIBICONV="${LIBICONV}${LIBICONV:+ }-l$name" + fi + fi + fi + fi + else + if test "X$found_a" != "X"; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_a" + else + LIBICONV="${LIBICONV}${LIBICONV:+ }-L$found_dir -l$name" + fi + fi + additional_includedir= + case "$found_dir" in + */$acl_libdirstem | */$acl_libdirstem/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` + LIBICONV_PREFIX="$basedir" + additional_includedir="$basedir/include" + ;; + esac + if test "X$additional_includedir" != "X"; then + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + for x in $CPPFLAGS $INCICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + INCICONV="${INCICONV}${INCICONV:+ }-I$additional_includedir" + fi + fi + fi + fi + fi + if test -n "$found_la"; then + save_libdir="$libdir" + case "$found_la" in + */* | *\\*) . "$found_la" ;; + *) . "./$found_la" ;; + esac + libdir="$save_libdir" + for dep in $dependency_libs; do + case "$dep" in + -L*) + additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` + if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then + haveit= + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + haveit= + for x in $LDFLAGS $LIBICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + LIBICONV="${LIBICONV}${LIBICONV:+ }-L$additional_libdir" + fi + fi + haveit= + for x in $LDFLAGS $LTLIBICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-L$additional_libdir" + fi + fi + fi + fi + ;; + -R*) + dir=`echo "X$dep" | sed -e 's/^X-R//'` + if test "$enable_rpath" != no; then + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $dir" + fi + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $dir" + fi + fi + ;; + -l*) + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` + ;; + *.la) + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` + ;; + *) + LIBICONV="${LIBICONV}${LIBICONV:+ }$dep" + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }$dep" + ;; + esac + done + fi + else + LIBICONV="${LIBICONV}${LIBICONV:+ }-l$name" + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-l$name" + fi + fi + fi + done + done + if test "X$rpathdirs" != "X"; then + if test -n "$acl_hardcode_libdir_separator"; then + alldirs= + for found_dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" + done + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIBICONV="${LIBICONV}${LIBICONV:+ }$flag" + else + for found_dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$found_dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIBICONV="${LIBICONV}${LIBICONV:+ }$flag" + done + fi + fi + if test "X$ltrpathdirs" != "X"; then + for found_dir in $ltrpathdirs; do + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-R$found_dir" + done + fi + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CFPreferencesCopyAppValue" >&5 +$as_echo_n "checking for CFPreferencesCopyAppValue... " >&6; } +if ${gt_cv_func_CFPreferencesCopyAppValue+:} false; then : + $as_echo_n "(cached) " >&6 +else + gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +CFPreferencesCopyAppValue(NULL, NULL) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gt_cv_func_CFPreferencesCopyAppValue=yes +else + gt_cv_func_CFPreferencesCopyAppValue=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LIBS="$gt_save_LIBS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_cv_func_CFPreferencesCopyAppValue" >&5 +$as_echo "$gt_cv_func_CFPreferencesCopyAppValue" >&6; } + if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then + +$as_echo "#define HAVE_CFPREFERENCESCOPYAPPVALUE 1" >>confdefs.h + + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CFLocaleCopyCurrent" >&5 +$as_echo_n "checking for CFLocaleCopyCurrent... " >&6; } +if ${gt_cv_func_CFLocaleCopyCurrent+:} false; then : + $as_echo_n "(cached) " >&6 +else + gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +CFLocaleCopyCurrent(); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gt_cv_func_CFLocaleCopyCurrent=yes +else + gt_cv_func_CFLocaleCopyCurrent=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LIBS="$gt_save_LIBS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_cv_func_CFLocaleCopyCurrent" >&5 +$as_echo "$gt_cv_func_CFLocaleCopyCurrent" >&6; } + if test $gt_cv_func_CFLocaleCopyCurrent = yes; then + +$as_echo "#define HAVE_CFLOCALECOPYCURRENT 1" >>confdefs.h + + fi + INTL_MACOSX_LIBS= + if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then + INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation" + fi + + + + + + + LIBINTL= + LTLIBINTL= + POSUB= + + case " $gt_needs " in + *" need-formatstring-macros "*) gt_api_version=3 ;; + *" need-ngettext "*) gt_api_version=2 ;; + *) gt_api_version=1 ;; + esac + gt_func_gnugettext_libc="gt_cv_func_gnugettext${gt_api_version}_libc" + gt_func_gnugettext_libintl="gt_cv_func_gnugettext${gt_api_version}_libintl" + + if test "$USE_NLS" = "yes"; then + gt_use_preinstalled_gnugettext=no + + + if test $gt_api_version -ge 3; then + gt_revision_test_code=' +#ifndef __GNU_GETTEXT_SUPPORTED_REVISION +#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1) +#endif +typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1]; +' + else + gt_revision_test_code= + fi + if test $gt_api_version -ge 2; then + gt_expression_test_code=' + * ngettext ("", "", 0)' + else + gt_expression_test_code= + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU gettext in libc" >&5 +$as_echo_n "checking for GNU gettext in libc... " >&6; } +if eval \${$gt_func_gnugettext_libc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern int *_nl_domain_bindings; +int +main () +{ +bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_domain_bindings + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$gt_func_gnugettext_libc=yes" +else + eval "$gt_func_gnugettext_libc=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$gt_func_gnugettext_libc + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then + + + + + + am_save_CPPFLAGS="$CPPFLAGS" + + for element in $INCICONV; do + haveit= + for x in $CPPFLAGS; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X$element"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }$element" + fi + done + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for iconv" >&5 +$as_echo_n "checking for iconv... " >&6; } +if ${am_cv_func_iconv+:} false; then : + $as_echo_n "(cached) " >&6 +else + + am_cv_func_iconv="no, consider installing GNU libiconv" + am_cv_lib_iconv=no + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +int +main () +{ +iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + am_cv_func_iconv=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$am_cv_func_iconv" != yes; then + am_save_LIBS="$LIBS" + LIBS="$LIBS $LIBICONV" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +int +main () +{ +iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + am_cv_lib_iconv=yes + am_cv_func_iconv=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LIBS="$am_save_LIBS" + fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_func_iconv" >&5 +$as_echo "$am_cv_func_iconv" >&6; } + if test "$am_cv_func_iconv" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working iconv" >&5 +$as_echo_n "checking for working iconv... " >&6; } +if ${am_cv_func_iconv_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + + am_save_LIBS="$LIBS" + if test $am_cv_lib_iconv = yes; then + LIBS="$LIBS $LIBICONV" + fi + if test "$cross_compiling" = yes; then : + case "$host_os" in + aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; + *) am_cv_func_iconv_works="guessing yes" ;; + esac +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +int main () +{ + /* Test against AIX 5.1 bug: Failures are not distinguishable from successful + returns. */ + { + iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8"); + if (cd_utf8_to_88591 != (iconv_t)(-1)) + { + static const char input[] = "\342\202\254"; /* EURO SIGN */ + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_utf8_to_88591, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + return 1; + } + } +#if 0 /* This bug could be worked around by the caller. */ + /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; + char buf[50]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if ((int)res > 0) + return 1; + } + } +#endif + /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is + provided. */ + if (/* Try standardized names. */ + iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1) + /* Try IRIX, OSF/1 names. */ + && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1) + /* Try AIX names. */ + && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1) + /* Try HP-UX names. */ + && iconv_open ("utf8", "eucJP") == (iconv_t)(-1)) + return 1; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + am_cv_func_iconv_works=yes +else + am_cv_func_iconv_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + LIBS="$am_save_LIBS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_func_iconv_works" >&5 +$as_echo "$am_cv_func_iconv_works" >&6; } + case "$am_cv_func_iconv_works" in + *no) am_func_iconv=no am_cv_lib_iconv=no ;; + *) am_func_iconv=yes ;; + esac + else + am_func_iconv=no am_cv_lib_iconv=no + fi + if test "$am_func_iconv" = yes; then + +$as_echo "#define HAVE_ICONV 1" >>confdefs.h + + fi + if test "$am_cv_lib_iconv" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to link with libiconv" >&5 +$as_echo_n "checking how to link with libiconv... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIBICONV" >&5 +$as_echo "$LIBICONV" >&6; } + else + CPPFLAGS="$am_save_CPPFLAGS" + LIBICONV= + LTLIBICONV= + fi + + + + + + + + + use_additional=yes + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + +# Check whether --with-libintl-prefix was given. +if test "${with_libintl_prefix+set}" = set; then : + withval=$with_libintl_prefix; + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + fi + fi + +fi + + LIBINTL= + LTLIBINTL= + INCINTL= + LIBINTL_PREFIX= + rpathdirs= + ltrpathdirs= + names_already_handled= + names_next_round='intl ' + while test -n "$names_next_round"; do + names_this_round="$names_next_round" + names_next_round= + for name in $names_this_round; do + already_handled= + for n in $names_already_handled; do + if test "$n" = "$name"; then + already_handled=yes + break + fi + done + if test -z "$already_handled"; then + names_already_handled="$names_already_handled $name" + uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'` + eval value=\"\$HAVE_LIB$uppername\" + if test -n "$value"; then + if test "$value" = yes; then + eval value=\"\$LIB$uppername\" + test -z "$value" || LIBINTL="${LIBINTL}${LIBINTL:+ }$value" + eval value=\"\$LTLIB$uppername\" + test -z "$value" || LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }$value" + else + : + fi + else + found_dir= + found_la= + found_so= + found_a= + eval libname=\"$acl_libname_spec\" # typically: libname=lib$name + if test -n "$acl_shlibext"; then + shrext=".$acl_shlibext" # typically: shrext=.so + else + shrext= + fi + if test $use_additional = yes; then + dir="$additional_libdir" + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + fi + if test "X$found_dir" = "X"; then + for x in $LDFLAGS $LTLIBINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + case "$x" in + -L*) + dir=`echo "X$x" | sed -e 's/^X-L//'` + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + ;; + esac + if test "X$found_dir" != "X"; then + break + fi + done + fi + if test "X$found_dir" != "X"; then + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }-L$found_dir -l$name" + if test "X$found_so" != "X"; then + if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/$acl_libdirstem"; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_so" + else + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $found_dir" + fi + if test "$acl_hardcode_direct" = yes; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_so" + else + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_so" + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $found_dir" + fi + else + haveit= + for x in $LDFLAGS $LIBINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + LIBINTL="${LIBINTL}${LIBINTL:+ }-L$found_dir" + fi + if test "$acl_hardcode_minus_L" != no; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_so" + else + LIBINTL="${LIBINTL}${LIBINTL:+ }-l$name" + fi + fi + fi + fi + else + if test "X$found_a" != "X"; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_a" + else + LIBINTL="${LIBINTL}${LIBINTL:+ }-L$found_dir -l$name" + fi + fi + additional_includedir= + case "$found_dir" in + */$acl_libdirstem | */$acl_libdirstem/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` + LIBINTL_PREFIX="$basedir" + additional_includedir="$basedir/include" + ;; + esac + if test "X$additional_includedir" != "X"; then + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + for x in $CPPFLAGS $INCINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + INCINTL="${INCINTL}${INCINTL:+ }-I$additional_includedir" + fi + fi + fi + fi + fi + if test -n "$found_la"; then + save_libdir="$libdir" + case "$found_la" in + */* | *\\*) . "$found_la" ;; + *) . "./$found_la" ;; + esac + libdir="$save_libdir" + for dep in $dependency_libs; do + case "$dep" in + -L*) + additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` + if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then + haveit= + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + haveit= + for x in $LDFLAGS $LIBINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + LIBINTL="${LIBINTL}${LIBINTL:+ }-L$additional_libdir" + fi + fi + haveit= + for x in $LDFLAGS $LTLIBINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }-L$additional_libdir" + fi + fi + fi + fi + ;; + -R*) + dir=`echo "X$dep" | sed -e 's/^X-R//'` + if test "$enable_rpath" != no; then + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $dir" + fi + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $dir" + fi + fi + ;; + -l*) + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` + ;; + *.la) + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` + ;; + *) + LIBINTL="${LIBINTL}${LIBINTL:+ }$dep" + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }$dep" + ;; + esac + done + fi + else + LIBINTL="${LIBINTL}${LIBINTL:+ }-l$name" + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }-l$name" + fi + fi + fi + done + done + if test "X$rpathdirs" != "X"; then + if test -n "$acl_hardcode_libdir_separator"; then + alldirs= + for found_dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" + done + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIBINTL="${LIBINTL}${LIBINTL:+ }$flag" + else + for found_dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$found_dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIBINTL="${LIBINTL}${LIBINTL:+ }$flag" + done + fi + fi + if test "X$ltrpathdirs" != "X"; then + for found_dir in $ltrpathdirs; do + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }-R$found_dir" + done + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU gettext in libintl" >&5 +$as_echo_n "checking for GNU gettext in libintl... " >&6; } +if eval \${$gt_func_gnugettext_libintl+:} false; then : + $as_echo_n "(cached) " >&6 +else + gt_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $INCINTL" + gt_save_LIBS="$LIBS" + LIBS="$LIBS $LIBINTL" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *); +int +main () +{ +bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("") + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$gt_func_gnugettext_libintl=yes" +else + eval "$gt_func_gnugettext_libintl=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" != yes; } && test -n "$LIBICONV"; then + LIBS="$LIBS $LIBICONV" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *); +int +main () +{ +bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("") + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + LIBINTL="$LIBINTL $LIBICONV" + LTLIBINTL="$LTLIBINTL $LTLIBICONV" + eval "$gt_func_gnugettext_libintl=yes" + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + fi + CPPFLAGS="$gt_save_CPPFLAGS" + LIBS="$gt_save_LIBS" +fi +eval ac_res=\$$gt_func_gnugettext_libintl + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + fi + + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes"; } \ + || { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; } \ + && test "$PACKAGE" != gettext-runtime \ + && test "$PACKAGE" != gettext-tools; }; then + gt_use_preinstalled_gnugettext=yes + else + LIBINTL= + LTLIBINTL= + INCINTL= + fi + + + + if test -n "$INTL_MACOSX_LIBS"; then + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + LIBINTL="$LIBINTL $INTL_MACOSX_LIBS" + LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS" + fi + fi + + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + +$as_echo "#define ENABLE_NLS 1" >>confdefs.h + + else + USE_NLS=no + fi + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use NLS" >&5 +$as_echo_n "checking whether to use NLS... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_NLS" >&5 +$as_echo "$USE_NLS" >&6; } + if test "$USE_NLS" = "yes"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking where the gettext function comes from" >&5 +$as_echo_n "checking where the gettext function comes from... " >&6; } + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + gt_source="external libintl" + else + gt_source="libc" + fi + else + gt_source="included intl directory" + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_source" >&5 +$as_echo "$gt_source" >&6; } + fi + + if test "$USE_NLS" = "yes"; then + + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to link with libintl" >&5 +$as_echo_n "checking how to link with libintl... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIBINTL" >&5 +$as_echo "$LIBINTL" >&6; } + + for element in $INCINTL; do + haveit= + for x in $CPPFLAGS; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X$element"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }$element" + fi + done + + fi + + +$as_echo "#define HAVE_GETTEXT 1" >>confdefs.h + + +$as_echo "#define HAVE_DCGETTEXT 1" >>confdefs.h + + fi + + POSUB=po + fi + + + + INTLLIBS="$LIBINTL" + + + + + + + +GETTEXT_PACKAGE="cogl" + + +cat >>confdefs.h <<_ACEOF +#define GETTEXT_PACKAGE "$GETTEXT_PACKAGE" +_ACEOF + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for linguas" >&5 +$as_echo_n "checking for linguas... " >&6; } + podir="$srcdir/po" + linguas=`cd $podir && ls *.po 2>/dev/null | awk 'BEGIN { FS="."; ORS=" " } { print $1 }'` + if test -f "$podir/LINGUAS.ignore"; then + ALL_LINGUAS=""; + ignore_linguas=`sed -n -e 's/^\s\+\|\s\+$//g' -e '/^#/b' -e '/\S/!b' \ + -e 's/\s\+/\n/g' -e p "$podir/LINGUAS.ignore"`; + for lang in $linguas; do + if ! echo "$ignore_linguas" | grep -q "^${lang}$"; then + ALL_LINGUAS="$ALL_LINGUAS $lang"; + fi; + done; + else + ALL_LINGUAS="$linguas"; + fi; + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ALL_LINGUAS" >&5 +$as_echo "$ALL_LINGUAS" >&6; } + + + + +if test -n "$COGL_PKG_REQUIRES"; then + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for COGL_DEP" >&5 +$as_echo_n "checking for COGL_DEP... " >&6; } + +if test -n "$COGL_DEP_CFLAGS"; then + pkg_cv_COGL_DEP_CFLAGS="$COGL_DEP_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$COGL_PKG_REQUIRES\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$COGL_PKG_REQUIRES") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_COGL_DEP_CFLAGS=`$PKG_CONFIG --cflags "$COGL_PKG_REQUIRES" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$COGL_DEP_LIBS"; then + pkg_cv_COGL_DEP_LIBS="$COGL_DEP_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$COGL_PKG_REQUIRES\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$COGL_PKG_REQUIRES") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_COGL_DEP_LIBS=`$PKG_CONFIG --libs "$COGL_PKG_REQUIRES" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + COGL_DEP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$COGL_PKG_REQUIRES" 2>&1` + else + COGL_DEP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$COGL_PKG_REQUIRES" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$COGL_DEP_PKG_ERRORS" >&5 + + as_fn_error $? "Package requirements ($COGL_PKG_REQUIRES) were not met: + +$COGL_DEP_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +Alternatively, you may set the environment variables COGL_DEP_CFLAGS +and COGL_DEP_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details." "$LINENO" 5 +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +Alternatively, you may set the environment variables COGL_DEP_CFLAGS +and COGL_DEP_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details. + +To get pkg-config, see . +See \`config.log' for more details" "$LINENO" 5; } +else + COGL_DEP_CFLAGS=$pkg_cv_COGL_DEP_CFLAGS + COGL_DEP_LIBS=$pkg_cv_COGL_DEP_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + + if test -n "$COGL_PKG_REQUIRES_GL"; then + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for COGL_DEP_GL" >&5 +$as_echo_n "checking for COGL_DEP_GL... " >&6; } + +if test -n "$COGL_DEP_GL_CFLAGS"; then + pkg_cv_COGL_DEP_GL_CFLAGS="$COGL_DEP_GL_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$COGL_PKG_REQUIRES_GL\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$COGL_PKG_REQUIRES_GL") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_COGL_DEP_GL_CFLAGS=`$PKG_CONFIG --cflags "$COGL_PKG_REQUIRES_GL" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$COGL_DEP_GL_LIBS"; then + pkg_cv_COGL_DEP_GL_LIBS="$COGL_DEP_GL_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$COGL_PKG_REQUIRES_GL\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$COGL_PKG_REQUIRES_GL") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_COGL_DEP_GL_LIBS=`$PKG_CONFIG --libs "$COGL_PKG_REQUIRES_GL" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + COGL_DEP_GL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$COGL_PKG_REQUIRES_GL" 2>&1` + else + COGL_DEP_GL_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$COGL_PKG_REQUIRES_GL" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$COGL_DEP_GL_PKG_ERRORS" >&5 + + as_fn_error $? "Package requirements ($COGL_PKG_REQUIRES_GL) were not met: + +$COGL_DEP_GL_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +Alternatively, you may set the environment variables COGL_DEP_GL_CFLAGS +and COGL_DEP_GL_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details." "$LINENO" 5 +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +Alternatively, you may set the environment variables COGL_DEP_GL_CFLAGS +and COGL_DEP_GL_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details. + +To get pkg-config, see . +See \`config.log' for more details" "$LINENO" 5; } +else + COGL_DEP_GL_CFLAGS=$pkg_cv_COGL_DEP_GL_CFLAGS + COGL_DEP_GL_LIBS=$pkg_cv_COGL_DEP_GL_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + + gl_libs="" + for x in $COGL_DEP_GL_LIBS; do + case $x in #( + -lGL) : + ;; #( + -lGLESv2) : + ;; #( + -lGLESv1_CM) : + ;; #( + *) : + gl_libs="$gl_libs $x" ;; #( + *) : + ;; +esac + done + COGL_DEP_CFLAGS="$COGL_DEP_CFLAGS $COGL_DEP_CFLAGS_GL" + COGL_DEP_LIBS="$COGL_DEP_LIBS $gl_libs" + fi +fi + + +if test "x$enable_cogl_pango" = "xyes"; then : + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for COGL_PANGO_DEP" >&5 +$as_echo_n "checking for COGL_PANGO_DEP... " >&6; } + +if test -n "$COGL_PANGO_DEP_CFLAGS"; then + pkg_cv_COGL_PANGO_DEP_CFLAGS="$COGL_PANGO_DEP_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$COGL_PANGO_PKG_REQUIRES\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$COGL_PANGO_PKG_REQUIRES") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_COGL_PANGO_DEP_CFLAGS=`$PKG_CONFIG --cflags "$COGL_PANGO_PKG_REQUIRES" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$COGL_PANGO_DEP_LIBS"; then + pkg_cv_COGL_PANGO_DEP_LIBS="$COGL_PANGO_DEP_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$COGL_PANGO_PKG_REQUIRES\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$COGL_PANGO_PKG_REQUIRES") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_COGL_PANGO_DEP_LIBS=`$PKG_CONFIG --libs "$COGL_PANGO_PKG_REQUIRES" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + COGL_PANGO_DEP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$COGL_PANGO_PKG_REQUIRES" 2>&1` + else + COGL_PANGO_DEP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$COGL_PANGO_PKG_REQUIRES" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$COGL_PANGO_DEP_PKG_ERRORS" >&5 + + as_fn_error $? "Package requirements ($COGL_PANGO_PKG_REQUIRES) were not met: + +$COGL_PANGO_DEP_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +Alternatively, you may set the environment variables COGL_PANGO_DEP_CFLAGS +and COGL_PANGO_DEP_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details." "$LINENO" 5 +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +Alternatively, you may set the environment variables COGL_PANGO_DEP_CFLAGS +and COGL_PANGO_DEP_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details. + +To get pkg-config, see . +See \`config.log' for more details" "$LINENO" 5; } +else + COGL_PANGO_DEP_CFLAGS=$pkg_cv_COGL_PANGO_DEP_CFLAGS + COGL_PANGO_DEP_LIBS=$pkg_cv_COGL_PANGO_DEP_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + +fi + if test "x$enable_cogl_pango" = "xyes"; then + BUILD_COGL_PANGO_TRUE= + BUILD_COGL_PANGO_FALSE='#' +else + BUILD_COGL_PANGO_TRUE='#' + BUILD_COGL_PANGO_FALSE= +fi + + + if test "x$enable_cogl_path" = "xyes"; then + BUILD_COGL_PATH_TRUE= + BUILD_COGL_PATH_FALSE='#' +else + BUILD_COGL_PATH_TRUE='#' + BUILD_COGL_PATH_FALSE= +fi + + + + +if test "x$enable_cogl_gst" = "xyes"; then : + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for COGL_GST_DEP" >&5 +$as_echo_n "checking for COGL_GST_DEP... " >&6; } + +if test -n "$COGL_GST_DEP_CFLAGS"; then + pkg_cv_COGL_GST_DEP_CFLAGS="$COGL_GST_DEP_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$COGL_GST_PKG_REQUIRES\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$COGL_GST_PKG_REQUIRES") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_COGL_GST_DEP_CFLAGS=`$PKG_CONFIG --cflags "$COGL_GST_PKG_REQUIRES" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$COGL_GST_DEP_LIBS"; then + pkg_cv_COGL_GST_DEP_LIBS="$COGL_GST_DEP_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$COGL_GST_PKG_REQUIRES\""; } >&5 + ($PKG_CONFIG --exists --print-errors "$COGL_GST_PKG_REQUIRES") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_COGL_GST_DEP_LIBS=`$PKG_CONFIG --libs "$COGL_GST_PKG_REQUIRES" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + COGL_GST_DEP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$COGL_GST_PKG_REQUIRES" 2>&1` + else + COGL_GST_DEP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$COGL_GST_PKG_REQUIRES" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$COGL_GST_DEP_PKG_ERRORS" >&5 + + as_fn_error $? "Package requirements ($COGL_GST_PKG_REQUIRES) were not met: + +$COGL_GST_DEP_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +Alternatively, you may set the environment variables COGL_GST_DEP_CFLAGS +and COGL_GST_DEP_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details." "$LINENO" 5 +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +Alternatively, you may set the environment variables COGL_GST_DEP_CFLAGS +and COGL_GST_DEP_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details. + +To get pkg-config, see . +See \`config.log' for more details" "$LINENO" 5; } +else + COGL_GST_DEP_CFLAGS=$pkg_cv_COGL_GST_DEP_CFLAGS + COGL_GST_DEP_LIBS=$pkg_cv_COGL_GST_DEP_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + +fi + if test "x$enable_cogl_gst" = "xyes"; then + BUILD_COGL_GST_TRUE= + BUILD_COGL_GST_FALSE='#' +else + BUILD_COGL_GST_TRUE='#' + BUILD_COGL_GST_FALSE= +fi + + + + + + +if test "x$enable_glib" = "xyes"; then : + + + + + # Check whether --enable-introspection was given. +if test "${enable_introspection+set}" = set; then : + enableval=$enable_introspection; +else + enable_introspection=auto +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gobject-introspection" >&5 +$as_echo_n "checking for gobject-introspection... " >&6; } + + case $enable_introspection in #( + no) : + found_introspection="no (disabled, use --enable-introspection to enable)" + ;; #( + yes) : + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gobject-introspection-1.0\""; } >&5 + ($PKG_CONFIG --exists --print-errors "gobject-introspection-1.0") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + : +else + as_fn_error $? "gobject-introspection-1.0 is not installed" "$LINENO" 5 +fi + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gobject-introspection-1.0 >= 0.9.5\""; } >&5 + ($PKG_CONFIG --exists --print-errors "gobject-introspection-1.0 >= 0.9.5") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + found_introspection=yes +else + as_fn_error $? "You need to have gobject-introspection >= 0.9.5 installed to build cogl" "$LINENO" 5 +fi + ;; #( + auto) : + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gobject-introspection-1.0 >= 0.9.5\""; } >&5 + ($PKG_CONFIG --exists --print-errors "gobject-introspection-1.0 >= 0.9.5") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + found_introspection=yes +else + found_introspection=no +fi + enable_introspection=$found_introspection + ;; #( + *) : + as_fn_error $? "invalid argument passed to --enable-introspection, should be one of [no/auto/yes]" "$LINENO" 5 + ;; +esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $found_introspection" >&5 +$as_echo "$found_introspection" >&6; } + + INTROSPECTION_SCANNER= + INTROSPECTION_COMPILER= + INTROSPECTION_GENERATE= + INTROSPECTION_GIRDIR= + INTROSPECTION_TYPELIBDIR= + if test "x$found_introspection" = "xyes"; then + INTROSPECTION_SCANNER=`$PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0` + INTROSPECTION_COMPILER=`$PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0` + INTROSPECTION_GENERATE=`$PKG_CONFIG --variable=g_ir_generate gobject-introspection-1.0` + INTROSPECTION_GIRDIR=`$PKG_CONFIG --variable=girdir gobject-introspection-1.0` + INTROSPECTION_TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)" + INTROSPECTION_CFLAGS=`$PKG_CONFIG --cflags gobject-introspection-1.0` + INTROSPECTION_LIBS=`$PKG_CONFIG --libs gobject-introspection-1.0` + INTROSPECTION_MAKEFILE=`$PKG_CONFIG --variable=datadir gobject-introspection-1.0`/gobject-introspection-1.0/Makefile.introspection + fi + + + + + + + + + + if test "x$found_introspection" = "xyes"; then + HAVE_INTROSPECTION_TRUE= + HAVE_INTROSPECTION_FALSE='#' +else + HAVE_INTROSPECTION_TRUE='#' + HAVE_INTROSPECTION_FALSE= +fi + + + + +else + + enable_introspection="no" + if 0; then + HAVE_INTROSPECTION_TRUE= + HAVE_INTROSPECTION_FALSE='#' +else + HAVE_INTROSPECTION_TRUE='#' + HAVE_INTROSPECTION_FALSE= +fi + + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for X" >&5 +$as_echo_n "checking for X... " >&6; } + + +# Check whether --with-x was given. +if test "${with_x+set}" = set; then : + withval=$with_x; +fi + +# $have_x is `yes', `no', `disabled', or empty when we do not yet know. +if test "x$with_x" = xno; then + # The user explicitly disabled X. + have_x=disabled +else + case $x_includes,$x_libraries in #( + *\'*) as_fn_error $? "cannot use X directory names containing '" "$LINENO" 5;; #( + *,NONE | NONE,*) if ${ac_cv_have_x+:} false; then : + $as_echo_n "(cached) " >&6 +else + # One or both of the vars are not set, and there is no cached value. +ac_x_includes=no ac_x_libraries=no +rm -f -r conftest.dir +if mkdir conftest.dir; then + cd conftest.dir + cat >Imakefile <<'_ACEOF' +incroot: + @echo incroot='${INCROOT}' +usrlibdir: + @echo usrlibdir='${USRLIBDIR}' +libdir: + @echo libdir='${LIBDIR}' +_ACEOF + if (export CC; ${XMKMF-xmkmf}) >/dev/null 2>/dev/null && test -f Makefile; then + # GNU make sometimes prints "make[1]: Entering ...", which would confuse us. + for ac_var in incroot usrlibdir libdir; do + eval "ac_im_$ac_var=\`\${MAKE-make} $ac_var 2>/dev/null | sed -n 's/^$ac_var=//p'\`" + done + # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR. + for ac_extension in a so sl dylib la dll; do + if test ! -f "$ac_im_usrlibdir/libX11.$ac_extension" && + test -f "$ac_im_libdir/libX11.$ac_extension"; then + ac_im_usrlibdir=$ac_im_libdir; break + fi + done + # Screen out bogus values from the imake configuration. They are + # bogus both because they are the default anyway, and because + # using them would break gcc on systems where it needs fixed includes. + case $ac_im_incroot in + /usr/include) ac_x_includes= ;; + *) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes=$ac_im_incroot;; + esac + case $ac_im_usrlibdir in + /usr/lib | /usr/lib64 | /lib | /lib64) ;; + *) test -d "$ac_im_usrlibdir" && ac_x_libraries=$ac_im_usrlibdir ;; + esac + fi + cd .. + rm -f -r conftest.dir +fi + +# Standard set of common directories for X headers. +# Check X11 before X11Rn because it is often a symlink to the current release. +ac_x_header_dirs=' +/usr/X11/include +/usr/X11R7/include +/usr/X11R6/include +/usr/X11R5/include +/usr/X11R4/include + +/usr/include/X11 +/usr/include/X11R7 +/usr/include/X11R6 +/usr/include/X11R5 +/usr/include/X11R4 + +/usr/local/X11/include +/usr/local/X11R7/include +/usr/local/X11R6/include +/usr/local/X11R5/include +/usr/local/X11R4/include + +/usr/local/include/X11 +/usr/local/include/X11R7 +/usr/local/include/X11R6 +/usr/local/include/X11R5 +/usr/local/include/X11R4 + +/usr/X386/include +/usr/x386/include +/usr/XFree86/include/X11 + +/usr/include +/usr/local/include +/usr/unsupported/include +/usr/athena/include +/usr/local/x11r5/include +/usr/lpp/Xamples/include + +/usr/openwin/include +/usr/openwin/share/include' + +if test "$ac_x_includes" = no; then + # Guess where to find include files, by looking for Xlib.h. + # First, try using that file with no special directory specified. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # We can compile using X headers with no special include directory. +ac_x_includes= +else + for ac_dir in $ac_x_header_dirs; do + if test -r "$ac_dir/X11/Xlib.h"; then + ac_x_includes=$ac_dir + break + fi +done +fi +rm -f conftest.err conftest.i conftest.$ac_ext +fi # $ac_x_includes = no + +if test "$ac_x_libraries" = no; then + # Check for the libraries. + # See if we find them without any special options. + # Don't add to $LIBS permanently. + ac_save_LIBS=$LIBS + LIBS="-lX11 $LIBS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +XrmInitialize () + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + LIBS=$ac_save_LIBS +# We can link X programs with no special library path. +ac_x_libraries= +else + LIBS=$ac_save_LIBS +for ac_dir in `$as_echo "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g` +do + # Don't even attempt the hair of trying to link an X program! + for ac_extension in a so sl dylib la dll; do + if test -r "$ac_dir/libX11.$ac_extension"; then + ac_x_libraries=$ac_dir + break 2 + fi + done +done +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi # $ac_x_libraries = no + +case $ac_x_includes,$ac_x_libraries in #( + no,* | *,no | *\'*) + # Didn't find X, or a directory has "'" in its name. + ac_cv_have_x="have_x=no";; #( + *) + # Record where we found X for the cache. + ac_cv_have_x="have_x=yes\ + ac_x_includes='$ac_x_includes'\ + ac_x_libraries='$ac_x_libraries'" +esac +fi +;; #( + *) have_x=yes;; + esac + eval "$ac_cv_have_x" +fi # $with_x != no + +if test "$have_x" != yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_x" >&5 +$as_echo "$have_x" >&6; } + no_x=yes +else + # If each of the values was on the command line, it overrides each guess. + test "x$x_includes" = xNONE && x_includes=$ac_x_includes + test "x$x_libraries" = xNONE && x_libraries=$ac_x_libraries + # Update the cache value to reflect the command line values. + ac_cv_have_x="have_x=yes\ + ac_x_includes='$x_includes'\ + ac_x_libraries='$x_libraries'" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: libraries $x_libraries, headers $x_includes" >&5 +$as_echo "libraries $x_libraries, headers $x_includes" >&6; } +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +for ac_header in fcntl.h limits.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +ac_fn_c_check_header_mongrel "$LINENO" "endian.h" "ac_cv_header_endian_h" "$ac_includes_default" +if test "x$ac_cv_header_endian_h" = xyes; then : + ac_fn_c_check_decl "$LINENO" "__FLOAT_WORD_ORDER" "ac_cv_have_decl___FLOAT_WORD_ORDER" "$ac_includes_default" +if test "x$ac_cv_have_decl___FLOAT_WORD_ORDER" = xyes; then : + +$as_echo "#define HAVE_FLOAT_WORD_ORDER 1" >>confdefs.h + +fi + +fi + + + + +if test "x$enable_emscripten" = "xno"; then : + for ac_func in ffs +do : + ac_fn_c_check_func "$LINENO" "ffs" "ac_cv_func_ffs" +if test "x$ac_cv_func_ffs" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_FFS 1 +_ACEOF + +fi +done + +fi + +for ac_func in memmem +do : + ac_fn_c_check_func "$LINENO" "memmem" "ac_cv_func_memmem" +if test "x$ac_cv_func_memmem" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_MEMMEM 1 +_ACEOF + +fi +done + + +save_libs="$LIBS" +LIBS="$LIBS $LIBM" +for ac_func in sincos +do : + ac_fn_c_check_func "$LINENO" "sincos" "ac_cv_func_sincos" +if test "x$ac_cv_func_sincos" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_SINCOS 1 +_ACEOF + +fi +done + +LIBS="$save_libs" + + +have_poll_h=no +if test "x$enable_emscripten" = "xno"; then : + + ac_fn_c_check_header_mongrel "$LINENO" "poll.h" "ac_cv_header_poll_h" "$ac_includes_default" +if test "x$ac_cv_header_poll_h" = xyes; then : + + if ac_fn_c_compute_int "$LINENO" "POLLIN" "COGL_SYSDEF_POLLIN" "#include "; then : + +else + as_fn_error $? "Unable to get value of POLLIN" "$LINENO" 5 +fi + + if ac_fn_c_compute_int "$LINENO" "POLLPRI" "COGL_SYSDEF_POLLPRI" "#include "; then : + +else + as_fn_error $? "Unable to get value of POLLPRI" "$LINENO" 5 +fi + + if ac_fn_c_compute_int "$LINENO" "POLLOUT" "COGL_SYSDEF_POLLOUT" "#include "; then : + +else + as_fn_error $? "Unable to get value of POLLOUT" "$LINENO" 5 +fi + + if ac_fn_c_compute_int "$LINENO" "POLLERR" "COGL_SYSDEF_POLLERR" "#include "; then : + +else + as_fn_error $? "Unable to get value of POLLERR" "$LINENO" 5 +fi + + if ac_fn_c_compute_int "$LINENO" "POLLHUP" "COGL_SYSDEF_POLLHUP" "#include "; then : + +else + as_fn_error $? "Unable to get value of POLLHUP" "$LINENO" 5 +fi + + if ac_fn_c_compute_int "$LINENO" "POLLNVAL" "COGL_SYSDEF_POLLNVAL" "#include "; then : + +else + as_fn_error $? "Unable to get value of POLLNVAL" "$LINENO" 5 +fi + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_POLL_SUPPORT" + have_poll_h=yes + +fi + + + +fi + +if test "x$have_poll_h" = "xno"; then : + + COGL_SYSDEF_POLLIN=1 + COGL_SYSDEF_POLLPRI=2 + COGL_SYSDEF_POLLOUT=4 + COGL_SYSDEF_POLLERR=8 + COGL_SYSDEF_POLLHUP=16 + COGL_SYSDEF_POLLNVAL=32 + +fi + +COGL_DEFINES_EXTRA="$COGL_DEFINES_EXTRA +#define COGL_SYSDEF_POLLIN $COGL_SYSDEF_POLLIN +#define COGL_SYSDEF_POLLPRI $COGL_SYSDEF_POLLPRI +#define COGL_SYSDEF_POLLOUT $COGL_SYSDEF_POLLOUT +#define COGL_SYSDEF_POLLERR $COGL_SYSDEF_POLLERR +#define COGL_SYSDEF_POLLHUP $COGL_SYSDEF_POLLHUP +#define COGL_SYSDEF_POLLNVAL $COGL_SYSDEF_POLLNVAL +" + +COGL_DEFINES="$COGL_DEFINES_EXTRA" +for x in $COGL_DEFINES_SYMBOLS; do + COGL_DEFINES="$COGL_DEFINES +#define $x 1" +done; + + + +if test "x$cogl_gl_headers" = "x"; then : + as_fn_error $? "Internal error: no GL header set" "$LINENO" 5 +fi +COGL_GL_HEADER_INCLUDES="" +for x in $cogl_gl_headers; do + COGL_GL_HEADER_INCLUDES="$COGL_GL_HEADER_INCLUDES +#include <$x>" +done; + + + + +$as_echo "#define COGL_ENABLE_EXPERIMENTAL_2_0_API 1" >>confdefs.h + + +$as_echo "#define COGL_ENABLE_EXPERIMENTAL_API 1" >>confdefs.h + + + + + + + + + + + +# just for compatability with the clutter build... +MAINTAINER_CFLAGS= + + +ac_config_files="$ac_config_files Makefile README config.h.win32 build/Makefile build/win32/Makefile build/win32/vs9/Makefile build/win32/vs10/Makefile deps/Makefile deps/glib/Makefile deps/gmodule/Makefile deps/gmodule/gmoduleconf.h test-fixtures/Makefile cogl/Makefile cogl/cogl-1.0.pc cogl/cogl-2.0-experimental.pc cogl/cogl-defines.h cogl/cogl-defines.h.win32 cogl/cogl-defines.h.win32_SDL cogl/cogl-gl-header.h cogl/cogl-egl-defines.h cogl/cogl.rc cogl-pango/Makefile cogl-pango/cogl-pango-1.0.pc cogl-pango/cogl-pango-2.0-experimental.pc cogl-pango/cogl-pango.rc cogl-path/Makefile cogl-path/cogl-path-1.0.pc cogl-path/cogl-path-2.0-experimental.pc cogl-gst/Makefile cogl-gst/cogl-gst-1.0.pc cogl-gst/cogl-gst-2.0-experimental.pc cogl-gles2/Makefile cogl-gles2/cogl-gles2-1.0.pc cogl-gles2/cogl-gles2-2.0-experimental.pc doc/Makefile doc/reference/Makefile doc/reference/cogl/Makefile doc/reference/cogl/cogl-docs.xml doc/reference/cogl-2.0-experimental/Makefile doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml doc/reference/cogl-gst/Makefile doc/reference/cogl-gst/cogl-gst-docs.xml examples/Makefile tests/Makefile tests/config.env tests/conform/Makefile tests/unit/Makefile tests/micro-perf/Makefile tests/data/Makefile po/Makefile.in" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5 +$as_echo_n "checking that generated files are newer than configure... " >&6; } + if test -n "$am_sleep_pid"; then + # Hide warnings about reused PIDs. + wait $am_sleep_pid 2>/dev/null + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5 +$as_echo "done" >&6; } +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + as_fn_error $? "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + if test -n "$EXEEXT"; then + am__EXEEXT_TRUE= + am__EXEEXT_FALSE='#' +else + am__EXEEXT_TRUE='#' + am__EXEEXT_FALSE= +fi + +if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCXX\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${OS_WIN32_TRUE}" && test -z "${OS_WIN32_FALSE}"; then + as_fn_error $? "conditional \"OS_WIN32\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${OS_QUARTZ_TRUE}" && test -z "${OS_QUARTZ_FALSE}"; then + as_fn_error $? "conditional \"OS_QUARTZ\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ENABLE_INSTALLED_TESTS_TRUE}" && test -z "${ENABLE_INSTALLED_TESTS_FALSE}"; then + as_fn_error $? "conditional \"ENABLE_INSTALLED_TESTS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${USING_EMSCRIPTEN_TRUE}" && test -z "${USING_EMSCRIPTEN_FALSE}"; then + as_fn_error $? "conditional \"USING_EMSCRIPTEN\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${UNIT_TESTS_TRUE}" && test -z "${UNIT_TESTS_FALSE}"; then + as_fn_error $? "conditional \"UNIT_TESTS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${PROFILE_TRUE}" && test -z "${PROFILE_FALSE}"; then + as_fn_error $? "conditional \"PROFILE\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${USE_GLIB_TRUE}" && test -z "${USE_GLIB_FALSE}"; then + as_fn_error $? "conditional \"USE_GLIB\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +if test -z "${INSTALL_EXAMPLES_TRUE}" && test -z "${INSTALL_EXAMPLES_FALSE}"; then + as_fn_error $? "conditional \"INSTALL_EXAMPLES\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COGL_DRIVER_GL_SUPPORTED_TRUE}" && test -z "${COGL_DRIVER_GL_SUPPORTED_FALSE}"; then + as_fn_error $? "conditional \"COGL_DRIVER_GL_SUPPORTED\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COGL_DRIVER_GLES_SUPPORTED_TRUE}" && test -z "${COGL_DRIVER_GLES_SUPPORTED_FALSE}"; then + as_fn_error $? "conditional \"COGL_DRIVER_GLES_SUPPORTED\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${HAVE_COGL_DEFAULT_DRIVER_TRUE}" && test -z "${HAVE_COGL_DEFAULT_DRIVER_FALSE}"; then + as_fn_error $? "conditional \"HAVE_COGL_DEFAULT_DRIVER\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_COGL_GLES2_TRUE}" && test -z "${BUILD_COGL_GLES2_FALSE}"; then + as_fn_error $? "conditional \"BUILD_COGL_GLES2\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_GLX_TRUE}" && test -z "${SUPPORT_GLX_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_GLX\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_WGL_TRUE}" && test -z "${SUPPORT_WGL_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_WGL\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_SDL_TRUE}" && test -z "${SUPPORT_SDL_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_SDL\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_SDL2_TRUE}" && test -z "${SUPPORT_SDL2_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_SDL2\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_EGL_PLATFORM_POWERVR_NULL_TRUE}" && test -z "${SUPPORT_EGL_PLATFORM_POWERVR_NULL_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_EGL_PLATFORM_POWERVR_NULL\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_EGL_PLATFORM_GDL_TRUE}" && test -z "${SUPPORT_EGL_PLATFORM_GDL_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_EGL_PLATFORM_GDL\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_EGL_PLATFORM_WAYLAND_TRUE}" && test -z "${SUPPORT_EGL_PLATFORM_WAYLAND_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_EGL_PLATFORM_WAYLAND\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_EGL_PLATFORM_KMS_TRUE}" && test -z "${SUPPORT_EGL_PLATFORM_KMS_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_EGL_PLATFORM_KMS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_WAYLAND_EGL_SERVER_TRUE}" && test -z "${SUPPORT_WAYLAND_EGL_SERVER_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_WAYLAND_EGL_SERVER\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_EGL_PLATFORM_ANDROID_TRUE}" && test -z "${SUPPORT_EGL_PLATFORM_ANDROID_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_EGL_PLATFORM_ANDROID\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_EGL_PLATFORM_XLIB_TRUE}" && test -z "${SUPPORT_EGL_PLATFORM_XLIB_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_EGL_PLATFORM_XLIB\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_EGL_TRUE}" && test -z "${SUPPORT_EGL_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_EGL\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${X11_TESTS_TRUE}" && test -z "${X11_TESTS_FALSE}"; then + as_fn_error $? "conditional \"X11_TESTS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_X11_TRUE}" && test -z "${SUPPORT_X11_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_X11\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${SUPPORT_XLIB_TRUE}" && test -z "${SUPPORT_XLIB_FALSE}"; then + as_fn_error $? "conditional \"SUPPORT_XLIB\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ENABLE_GTK_DOC_TRUE}" && test -z "${ENABLE_GTK_DOC_FALSE}"; then + as_fn_error $? "conditional \"ENABLE_GTK_DOC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${GTK_DOC_BUILD_HTML_TRUE}" && test -z "${GTK_DOC_BUILD_HTML_FALSE}"; then + as_fn_error $? "conditional \"GTK_DOC_BUILD_HTML\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${GTK_DOC_BUILD_PDF_TRUE}" && test -z "${GTK_DOC_BUILD_PDF_FALSE}"; then + as_fn_error $? "conditional \"GTK_DOC_BUILD_PDF\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${GTK_DOC_USE_LIBTOOL_TRUE}" && test -z "${GTK_DOC_USE_LIBTOOL_FALSE}"; then + as_fn_error $? "conditional \"GTK_DOC_USE_LIBTOOL\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${GTK_DOC_USE_REBASE_TRUE}" && test -z "${GTK_DOC_USE_REBASE_FALSE}"; then + as_fn_error $? "conditional \"GTK_DOC_USE_REBASE\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_GTK_DOC_TRUE}" && test -z "${BUILD_GTK_DOC_FALSE}"; then + as_fn_error $? "conditional \"BUILD_GTK_DOC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_COGL_PANGO_TRUE}" && test -z "${BUILD_COGL_PANGO_FALSE}"; then + as_fn_error $? "conditional \"BUILD_COGL_PANGO\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_COGL_PATH_TRUE}" && test -z "${BUILD_COGL_PATH_FALSE}"; then + as_fn_error $? "conditional \"BUILD_COGL_PATH\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_COGL_GST_TRUE}" && test -z "${BUILD_COGL_GST_FALSE}"; then + as_fn_error $? "conditional \"BUILD_COGL_GST\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${HAVE_INTROSPECTION_TRUE}" && test -z "${HAVE_INTROSPECTION_FALSE}"; then + as_fn_error $? "conditional \"HAVE_INTROSPECTION\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${HAVE_INTROSPECTION_TRUE}" && test -z "${HAVE_INTROSPECTION_FALSE}"; then + as_fn_error $? "conditional \"HAVE_INTROSPECTION\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by cogl $as_me 1.18.2, which was +generated by GNU Autoconf 2.69. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to the package provider." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +cogl config.status 1.18.2 +configured by $0, generated by GNU Autoconf 2.69, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2012 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" + + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +macro_version='`$ECHO "$macro_version" | $SED "$delay_single_quote_subst"`' +macro_revision='`$ECHO "$macro_revision" | $SED "$delay_single_quote_subst"`' +enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`' +enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`' +pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`' +enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`' +SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`' +ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`' +PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`' +host_alias='`$ECHO "$host_alias" | $SED "$delay_single_quote_subst"`' +host='`$ECHO "$host" | $SED 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+module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`' +with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`' +no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`' +hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`' +hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`' +inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`' +link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`' +always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`' +exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`' +include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`' +prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`' +postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`' +file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`' +variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`' +need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`' +need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`' +version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`' +runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`' +libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`' +library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`' +soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`' +install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`' +postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`' +postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`' +finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`' +hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`' +sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`' +sys_lib_dlsearch_path_spec='`$ECHO "$sys_lib_dlsearch_path_spec" | $SED "$delay_single_quote_subst"`' +hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`' +enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`' +old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`' +striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_dirs='`$ECHO "$compiler_lib_search_dirs" | $SED "$delay_single_quote_subst"`' +predep_objects='`$ECHO "$predep_objects" | $SED "$delay_single_quote_subst"`' +postdep_objects='`$ECHO "$postdep_objects" | $SED "$delay_single_quote_subst"`' +predeps='`$ECHO "$predeps" | $SED "$delay_single_quote_subst"`' +postdeps='`$ECHO "$postdeps" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_path='`$ECHO "$compiler_lib_search_path" | $SED "$delay_single_quote_subst"`' +LD_CXX='`$ECHO "$LD_CXX" | $SED "$delay_single_quote_subst"`' +reload_flag_CXX='`$ECHO "$reload_flag_CXX" | $SED "$delay_single_quote_subst"`' +reload_cmds_CXX='`$ECHO "$reload_cmds_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_cmds_CXX='`$ECHO "$old_archive_cmds_CXX" | $SED "$delay_single_quote_subst"`' +compiler_CXX='`$ECHO "$compiler_CXX" | $SED "$delay_single_quote_subst"`' +GCC_CXX='`$ECHO "$GCC_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_no_builtin_flag_CXX='`$ECHO "$lt_prog_compiler_no_builtin_flag_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_pic_CXX='`$ECHO "$lt_prog_compiler_pic_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_wl_CXX='`$ECHO "$lt_prog_compiler_wl_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_static_CXX='`$ECHO "$lt_prog_compiler_static_CXX" | $SED "$delay_single_quote_subst"`' +lt_cv_prog_compiler_c_o_CXX='`$ECHO "$lt_cv_prog_compiler_c_o_CXX" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc_CXX='`$ECHO "$archive_cmds_need_lc_CXX" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes_CXX='`$ECHO "$enable_shared_with_static_runtimes_CXX" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec_CXX='`$ECHO "$export_dynamic_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec_CXX='`$ECHO "$whole_archive_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +compiler_needs_object_CXX='`$ECHO "$compiler_needs_object_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds_CXX='`$ECHO "$old_archive_from_new_cmds_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds_CXX='`$ECHO "$old_archive_from_expsyms_cmds_CXX" | $SED "$delay_single_quote_subst"`' +archive_cmds_CXX='`$ECHO "$archive_cmds_CXX" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds_CXX='`$ECHO "$archive_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`' +module_cmds_CXX='`$ECHO "$module_cmds_CXX" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds_CXX='`$ECHO "$module_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`' +with_gnu_ld_CXX='`$ECHO "$with_gnu_ld_CXX" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag_CXX='`$ECHO "$allow_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`' +no_undefined_flag_CXX='`$ECHO "$no_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec_CXX='`$ECHO "$hardcode_libdir_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator_CXX='`$ECHO "$hardcode_libdir_separator_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_direct_CXX='`$ECHO "$hardcode_direct_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute_CXX='`$ECHO "$hardcode_direct_absolute_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L_CXX='`$ECHO "$hardcode_minus_L_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var_CXX='`$ECHO "$hardcode_shlibpath_var_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_automatic_CXX='`$ECHO "$hardcode_automatic_CXX" | $SED "$delay_single_quote_subst"`' +inherit_rpath_CXX='`$ECHO "$inherit_rpath_CXX" | $SED "$delay_single_quote_subst"`' +link_all_deplibs_CXX='`$ECHO "$link_all_deplibs_CXX" | $SED "$delay_single_quote_subst"`' +always_export_symbols_CXX='`$ECHO "$always_export_symbols_CXX" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds_CXX='`$ECHO "$export_symbols_cmds_CXX" | $SED "$delay_single_quote_subst"`' +exclude_expsyms_CXX='`$ECHO "$exclude_expsyms_CXX" | $SED "$delay_single_quote_subst"`' +include_expsyms_CXX='`$ECHO "$include_expsyms_CXX" | $SED "$delay_single_quote_subst"`' +prelink_cmds_CXX='`$ECHO "$prelink_cmds_CXX" | $SED "$delay_single_quote_subst"`' +postlink_cmds_CXX='`$ECHO "$postlink_cmds_CXX" | $SED "$delay_single_quote_subst"`' +file_list_spec_CXX='`$ECHO "$file_list_spec_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_action_CXX='`$ECHO "$hardcode_action_CXX" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_dirs_CXX='`$ECHO "$compiler_lib_search_dirs_CXX" | $SED "$delay_single_quote_subst"`' +predep_objects_CXX='`$ECHO "$predep_objects_CXX" | $SED "$delay_single_quote_subst"`' +postdep_objects_CXX='`$ECHO "$postdep_objects_CXX" | $SED "$delay_single_quote_subst"`' +predeps_CXX='`$ECHO "$predeps_CXX" | $SED "$delay_single_quote_subst"`' +postdeps_CXX='`$ECHO "$postdeps_CXX" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_path_CXX='`$ECHO "$compiler_lib_search_path_CXX" | $SED "$delay_single_quote_subst"`' + +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in SHELL \ +ECHO \ +PATH_SEPARATOR \ +SED \ +GREP \ +EGREP \ +FGREP \ +LD \ +NM \ +LN_S \ +lt_SP2NL \ +lt_NL2SP \ +reload_flag \ +OBJDUMP \ +deplibs_check_method \ +file_magic_cmd \ +file_magic_glob \ +want_nocaseglob \ +DLLTOOL \ +sharedlib_from_linklib_cmd \ +AR \ +AR_FLAGS \ +archiver_list_spec \ +STRIP \ +RANLIB \ +CC \ +CFLAGS \ +compiler \ +lt_cv_sys_global_symbol_pipe \ +lt_cv_sys_global_symbol_to_cdecl \ +lt_cv_sys_global_symbol_to_c_name_address \ +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \ +nm_file_list_spec \ +lt_prog_compiler_no_builtin_flag \ +lt_prog_compiler_pic \ +lt_prog_compiler_wl \ +lt_prog_compiler_static \ +lt_cv_prog_compiler_c_o \ +need_locks \ +MANIFEST_TOOL \ +DSYMUTIL \ +NMEDIT \ +LIPO \ +OTOOL \ +OTOOL64 \ +shrext_cmds \ +export_dynamic_flag_spec \ +whole_archive_flag_spec \ +compiler_needs_object \ +with_gnu_ld \ +allow_undefined_flag \ +no_undefined_flag \ +hardcode_libdir_flag_spec \ +hardcode_libdir_separator \ +exclude_expsyms \ +include_expsyms \ +file_list_spec \ +variables_saved_for_relink \ +libname_spec \ +library_names_spec \ +soname_spec \ +install_override_mode \ +finish_eval \ +old_striplib \ +striplib \ +compiler_lib_search_dirs \ +predep_objects \ +postdep_objects \ +predeps \ +postdeps \ +compiler_lib_search_path \ +LD_CXX \ +reload_flag_CXX \ +compiler_CXX \ +lt_prog_compiler_no_builtin_flag_CXX \ +lt_prog_compiler_pic_CXX \ +lt_prog_compiler_wl_CXX \ +lt_prog_compiler_static_CXX \ +lt_cv_prog_compiler_c_o_CXX \ +export_dynamic_flag_spec_CXX \ +whole_archive_flag_spec_CXX \ +compiler_needs_object_CXX \ +with_gnu_ld_CXX \ +allow_undefined_flag_CXX \ +no_undefined_flag_CXX \ +hardcode_libdir_flag_spec_CXX \ +hardcode_libdir_separator_CXX \ +exclude_expsyms_CXX \ +include_expsyms_CXX \ +file_list_spec_CXX \ +compiler_lib_search_dirs_CXX \ +predep_objects_CXX \ +postdep_objects_CXX \ +predeps_CXX \ +postdeps_CXX \ +compiler_lib_search_path_CXX; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in reload_cmds \ +old_postinstall_cmds \ +old_postuninstall_cmds \ +old_archive_cmds \ +extract_expsyms_cmds \ +old_archive_from_new_cmds \ +old_archive_from_expsyms_cmds \ +archive_cmds \ +archive_expsym_cmds \ +module_cmds \ +module_expsym_cmds \ +export_symbols_cmds \ +prelink_cmds \ +postlink_cmds \ +postinstall_cmds \ +postuninstall_cmds \ +finish_cmds \ +sys_lib_search_path_spec \ +sys_lib_dlsearch_path_spec \ +reload_cmds_CXX \ +old_archive_cmds_CXX \ +old_archive_from_new_cmds_CXX \ +old_archive_from_expsyms_cmds_CXX \ +archive_cmds_CXX \ +archive_expsym_cmds_CXX \ +module_cmds_CXX \ +module_expsym_cmds_CXX \ +export_symbols_cmds_CXX \ +prelink_cmds_CXX \ +postlink_cmds_CXX; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +ac_aux_dir='$ac_aux_dir' +xsi_shell='$xsi_shell' +lt_shell_append='$lt_shell_append' + +# See if we are running on zsh, and set the options which allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}" ; then + setopt NO_GLOB_SUBST +fi + + + PACKAGE='$PACKAGE' + VERSION='$VERSION' + TIMESTAMP='$TIMESTAMP' + RM='$RM' + ofile='$ofile' + + + +ac_aux_dir='$ac_aux_dir' + + + + +# Note that if two cases are the same, case goes with the first one. +# Note also that this is inside an AC_OUTPUT_COMMAND. We do not depend +# on variable expansion in case labels. Look at the generated config.status +# for a hint. + +if test "x${ac_cv_working_alloca_h+set}" = xset ; then + glib_header_alloca_h="$ac_cv_working_alloca_h" +else + glib_header_alloca_h="$ac_cv_header_alloca_h" +fi + +case xyes in +x$ac_cv_header_float_h) + glib_float_h=yes + glib_mf=FLT_MIN glib_Mf=FLT_MAX + glib_md=DBL_MIN glib_Md=DBL_MAX + ;; +x$ac_cv_header_values_h) + glib_values_h=yes + glib_mf=MINFLOAT glib_Mf=MAXFLOAT + glib_md=MINDOUBLE glib_Md=MAXDOUBLE + ;; +esac + +case xyes in +x$ac_cv_header_limits_h) + glib_limits_h=yes + glib_ms=SHRT_MIN glib_Ms=SHRT_MAX glib_Mus=USHRT_MAX + glib_mi=INT_MIN glib_Mi=INT_MAX glib_Mui=UINT_MAX + glib_ml=LONG_MIN glib_Ml=LONG_MAX glib_Mul=ULONG_MAX + ;; +x$ac_cv_header_values_h) + glib_values_h=yes + glib_ms=MINSHORT glib_Ms=MAXSHORT glib_Mus="(((gushort)G_MAXSHORT)*2+1)" + glib_mi=MININT glib_Mi=MAXINT glib_Mui="(((guint)G_MAXINT)*2+1)" + glib_ml=MINLONG glib_Ml=MAXLONG glib_Mul="(((gulong)G_MAXLONG)*2+1)" + ;; +esac + +if test x$ac_cv_header_sys_poll_h = xyes ; then + glib_sys_poll_h=yes +fi + +if test x$enable_included_printf = xyes ; then + glib_included_printf=yes +fi + +case x2 in +x$ac_cv_sizeof_short) + gint16=short + gint16_modifier='"h"' + gint16_format='"hi"' + guint16_format='"hu"' + ;; +x$ac_cv_sizeof_int) + gint16=int + gint16_modifier='""' + gint16_format='"i"' + guint16_format='"u"' + ;; +esac +case x4 in +x$ac_cv_sizeof_short) + gint32=short + gint32_modifier='"h"' + gint32_format='"hi"' + guint32_format='"hu"' + ;; +x$ac_cv_sizeof_int) + gint32=int + gint32_modifier='""' + gint32_format='"i"' + guint32_format='"u"' + ;; +x$ac_cv_sizeof_long) + gint32=long + gint32_modifier='"l"' + gint32_format='"li"' + guint32_format='"lu"' + ;; +esac +case x8 in +x$ac_cv_sizeof_int) + gint64=int + gint64_modifier='""' + gint64_format='"i"' + guint64_format='"u"' + glib_extension= + gint64_constant='(val)' + guint64_constant='(val)' + ;; +x$ac_cv_sizeof_long) + gint64=long + gint64_modifier='"l"' + gint64_format='"li"' + guint64_format='"lu"' + glib_extension= + gint64_constant='(val##L)' + guint64_constant='(val##UL)' + ;; +x$ac_cv_sizeof_long_long) + gint64='long long' + if test -n "$glib_cv_long_long_format"; then + gint64_modifier='"'$glib_cv_long_long_format'"' + gint64_format='"'$glib_cv_long_long_format'i"' + guint64_format='"'$glib_cv_long_long_format'u"' + fi + glib_extension='G_GNUC_EXTENSION ' + gint64_constant='(G_GNUC_EXTENSION (val##LL))' + guint64_constant='(G_GNUC_EXTENSION (val##ULL))' + ;; +x$ac_cv_sizeof___int64) + gint64='__int64' + if test -n "$glib_cv_long_long_format"; then + gint64_modifier='"'$glib_cv_long_long_format'"' + gint64_format='"'$glib_cv_long_long_format'i"' + guint64_format='"'$glib_cv_long_long_format'u"' + fi + glib_extension= + gint64_constant='(val##i64)' + guint64_constant='(val##ui64)' + ;; +esac +glib_size_t=$ac_cv_sizeof_size_t +glib_size_type_define="$glib_size_type" +glib_void_p=$ac_cv_sizeof_void_p +glib_long=$ac_cv_sizeof_long + +case "$glib_size_type" in +short) + gsize_modifier='"h"' + gsize_format='"hu"' + gssize_format='"hi"' + glib_msize_type='SHRT' + ;; +int) + gsize_modifier='""' + gsize_format='"u"' + gssize_format='"i"' + glib_msize_type='INT' + ;; +long) + gsize_modifier='"l"' + gsize_format='"lu"' + gssize_format='"li"' + glib_msize_type='LONG' + ;; +"long long"|__int64) + gsize_modifier='"I64"' + gsize_format='"I64u"' + gssize_format='"I64i"' + glib_msize_type='INT64' + ;; +esac + +gintbits=`expr $ac_cv_sizeof_int \* 8 2>/dev/null` +glongbits=`expr $ac_cv_sizeof_long \* 8 2>/dev/null` +gsizebits=`expr $ac_cv_sizeof_size_t \* 8 2>/dev/null` + +case x"$ac_cv_sizeof_void_p" in +x$ac_cv_sizeof_int) + glib_intptr_type_define=int + gintptr_modifier='""' + gintptr_format='"i"' + guintptr_format='"u"' + glib_gpi_cast='' + glib_gpui_cast='' + ;; +x$ac_cv_sizeof_long) + glib_intptr_type_define=long + gintptr_modifier='"l"' + gintptr_format='"li"' + guintptr_format='"lu"' + glib_gpi_cast='(glong)' + glib_gpui_cast='(gulong)' + ;; +x$ac_cv_sizeof_long_long) + glib_intptr_type_define='long long' + gintptr_modifier='"I64"' + gintptr_format='"I64i"' + guintptr_format='"I64u"' + glib_gpi_cast='(gint64)' + glib_gpui_cast='(guint64)' + ;; +x$ac_cv_sizeof___int64) + glib_intptr_type_define=__int64 + gintptr_modifier='"I64"' + gintptr_format='"I64i"' + guintptr_format='"I64u"' + glib_gpi_cast='(gint64)' + glib_gpui_cast='(guint64)' + ;; +*) + glib_unknown_void_p=yes + ;; +esac + + +case xyes in +x$ac_cv_func_atexit) + glib_atexit=" +#ifdef NeXT /* @#%@! NeXTStep */ +# define g_ATEXIT(proc) (!atexit (proc)) +#else +# define g_ATEXIT(proc) (atexit (proc)) +#endif" + ;; +x$ac_cv_func_on_exit) + glib_atexit=" +#define g_ATEXIT(proc) (on_exit ((void (*)(int, void*))(proc), NULL))" + ;; +esac + +case xyes in +x$ac_cv_func_memmove) + glib_memmove=' +#define g_memmove(dest,src,len) G_STMT_START { memmove ((dest), (src), (len)); } G_STMT_END' + ;; +x$glib_cv_working_bcopy) + glib_memmove=" +/* memmove isn't available, but bcopy can copy overlapping memory regions */ +#define g_memmove(d,s,n) G_STMT_START { bcopy ((s), (d), (n)); } G_STMT_END" + ;; +*) + glib_memmove=" +/* memmove isn't found and bcopy can't copy overlapping memory regions, + * so we have to roll our own copy routine. */ +void g_memmove (void* dest, const void * src, unsigned long len);" + ;; +esac + +glib_defines=" +#define GLIB_MAJOR_VERSION $GLIB_MAJOR_VERSION +#define GLIB_MINOR_VERSION $GLIB_MINOR_VERSION +#define GLIB_MICRO_VERSION $GLIB_MICRO_VERSION +" + +case xyes in +x$glib_cv_va_copy) glib_vacopy='#define G_VA_COPY va_copy' ;; +x$glib_cv___va_copy) glib_vacopy='#define G_VA_COPY __va_copy' ;; +*) glib_vacopy='' +esac + +if test x$glib_cv_va_val_copy = xno; then + glib_vacopy="\$glib_vacopy +#define G_VA_COPY_AS_ARRAY 1" +fi + +if test x$glib_cv_hasinline = xyes; then + glib_inline='#define G_HAVE_INLINE 1' +fi +if test x$glib_cv_has__inline = xyes; then + glib_inline="\$glib_inline +#define G_HAVE___INLINE 1" +fi +if test x$glib_cv_has__inline__ = xyes; then + glib_inline="\$glib_inline +#define G_HAVE___INLINE__ 1" +fi + +g_have_gnuc_varargs=$g_have_gnuc_varargs +g_have_iso_c_varargs=$g_have_iso_c_varargs +g_have_iso_cxx_varargs=$g_have_iso_cxx_varargs + +g_can_inline=$g_can_inline +g_have_gnuc_visibility=$g_have_gnuc_visibility +g_have_sunstudio_visibility=$g_have_sunstudio_visibility + +if test x$ac_cv_c_bigendian = xyes; then + g_byte_order=G_BIG_ENDIAN + g_bs_native=BE + g_bs_alien=LE +else + g_byte_order=G_LITTLE_ENDIAN + g_bs_native=LE + g_bs_alien=BE +fi + +g_pollin=$glib_cv_value_POLLIN +g_pollout=$glib_cv_value_POLLOUT +g_pollpri=$glib_cv_value_POLLPRI +g_pollhup=$glib_cv_value_POLLHUP +g_pollerr=$glib_cv_value_POLLERR +g_pollnval=$glib_cv_value_POLLNVAL + +g_af_unix=$glib_cv_value_AF_UNIX +g_af_inet=$glib_cv_value_AF_INET +g_af_inet6=$glib_cv_value_AF_INET6 + +g_msg_peek=$glib_cv_value_MSG_PEEK +g_msg_oob=$glib_cv_value_MSG_OOB +g_msg_dontroute=$glib_cv_value_MSG_DONTROUTE + +g_have_eilseq=$have_eilseq + +case x$have_threads in +xno) g_enable_threads_def="#undef";; +*) g_enable_threads_def="#define";; +esac + +g_threads_impl_def=$g_threads_impl + +g_mutex_has_default="$mutex_has_default" +g_mutex_sizeof="$glib_cv_sizeof_gmutex" +g_system_thread_sizeof="$glib_cv_sizeof_system_thread" +g_mutex_contents="$glib_cv_byte_contents_gmutex" + +g_memory_barrier_needed="$glib_memory_barrier_needed" +g_gcc_atomic_ops="$glib_cv_gcc_has_builtin_atomic_operations" + +g_module_suffix="$glib_gmodule_suffix" + +g_pid_type="$glib_pid_type" +case $host in + *-*-beos*) + glib_os="#define G_OS_BEOS" + ;; + *-*-cygwin*) + glib_os="#define G_OS_UNIX +#define G_PLATFORM_WIN32 +#define G_WITH_CYGWIN" + ;; + *-*-mingw*) + glib_os="#define G_OS_WIN32 +#define G_PLATFORM_WIN32" + ;; + *) + glib_os="#define G_OS_UNIX" + ;; +esac +glib_static_compilation="" +if test x$glib_win32_static_compilation = xyes; then + glib_static_compilation="#define GLIB_STATIC_COMPILATION 1 +#define GOBJECT_STATIC_COMPILATION 1" +fi + +# Capture the value of obsolete ALL_LINGUAS because we need it to compute + # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS. But hide it + # from automake < 1.5. + eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"' + # Capture the value of LINGUAS because we need it to compute CATALOGS. + LINGUAS="${LINGUAS-%UNSET%}" + + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;; + "deps/glib/glibconfig.h") CONFIG_COMMANDS="$CONFIG_COMMANDS deps/glib/glibconfig.h" ;; + "po-directories") CONFIG_COMMANDS="$CONFIG_COMMANDS po-directories" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "README") CONFIG_FILES="$CONFIG_FILES README" ;; + "config.h.win32") CONFIG_FILES="$CONFIG_FILES config.h.win32" ;; + "build/Makefile") CONFIG_FILES="$CONFIG_FILES build/Makefile" ;; + "build/win32/Makefile") CONFIG_FILES="$CONFIG_FILES build/win32/Makefile" ;; + "build/win32/vs9/Makefile") CONFIG_FILES="$CONFIG_FILES build/win32/vs9/Makefile" ;; + "build/win32/vs10/Makefile") CONFIG_FILES="$CONFIG_FILES build/win32/vs10/Makefile" ;; + "deps/Makefile") CONFIG_FILES="$CONFIG_FILES deps/Makefile" ;; + "deps/glib/Makefile") CONFIG_FILES="$CONFIG_FILES deps/glib/Makefile" ;; + "deps/gmodule/Makefile") CONFIG_FILES="$CONFIG_FILES deps/gmodule/Makefile" ;; + "deps/gmodule/gmoduleconf.h") CONFIG_FILES="$CONFIG_FILES deps/gmodule/gmoduleconf.h" ;; + "test-fixtures/Makefile") CONFIG_FILES="$CONFIG_FILES test-fixtures/Makefile" ;; + "cogl/Makefile") CONFIG_FILES="$CONFIG_FILES cogl/Makefile" ;; + "cogl/cogl-1.0.pc") CONFIG_FILES="$CONFIG_FILES cogl/cogl-1.0.pc" ;; + "cogl/cogl-2.0-experimental.pc") CONFIG_FILES="$CONFIG_FILES cogl/cogl-2.0-experimental.pc" ;; + "cogl/cogl-defines.h") CONFIG_FILES="$CONFIG_FILES cogl/cogl-defines.h" ;; + "cogl/cogl-defines.h.win32") CONFIG_FILES="$CONFIG_FILES cogl/cogl-defines.h.win32" ;; + "cogl/cogl-defines.h.win32_SDL") CONFIG_FILES="$CONFIG_FILES cogl/cogl-defines.h.win32_SDL" ;; + "cogl/cogl-gl-header.h") CONFIG_FILES="$CONFIG_FILES cogl/cogl-gl-header.h" ;; + "cogl/cogl-egl-defines.h") CONFIG_FILES="$CONFIG_FILES cogl/cogl-egl-defines.h" ;; + "cogl/cogl.rc") CONFIG_FILES="$CONFIG_FILES cogl/cogl.rc" ;; + "cogl-pango/Makefile") CONFIG_FILES="$CONFIG_FILES cogl-pango/Makefile" ;; + "cogl-pango/cogl-pango-1.0.pc") CONFIG_FILES="$CONFIG_FILES cogl-pango/cogl-pango-1.0.pc" ;; + "cogl-pango/cogl-pango-2.0-experimental.pc") CONFIG_FILES="$CONFIG_FILES cogl-pango/cogl-pango-2.0-experimental.pc" ;; + "cogl-pango/cogl-pango.rc") CONFIG_FILES="$CONFIG_FILES cogl-pango/cogl-pango.rc" ;; + "cogl-path/Makefile") CONFIG_FILES="$CONFIG_FILES cogl-path/Makefile" ;; + "cogl-path/cogl-path-1.0.pc") CONFIG_FILES="$CONFIG_FILES cogl-path/cogl-path-1.0.pc" ;; + "cogl-path/cogl-path-2.0-experimental.pc") CONFIG_FILES="$CONFIG_FILES cogl-path/cogl-path-2.0-experimental.pc" ;; + "cogl-gst/Makefile") CONFIG_FILES="$CONFIG_FILES cogl-gst/Makefile" ;; + "cogl-gst/cogl-gst-1.0.pc") CONFIG_FILES="$CONFIG_FILES cogl-gst/cogl-gst-1.0.pc" ;; + "cogl-gst/cogl-gst-2.0-experimental.pc") CONFIG_FILES="$CONFIG_FILES cogl-gst/cogl-gst-2.0-experimental.pc" ;; + "cogl-gles2/Makefile") CONFIG_FILES="$CONFIG_FILES cogl-gles2/Makefile" ;; + "cogl-gles2/cogl-gles2-1.0.pc") CONFIG_FILES="$CONFIG_FILES cogl-gles2/cogl-gles2-1.0.pc" ;; + "cogl-gles2/cogl-gles2-2.0-experimental.pc") CONFIG_FILES="$CONFIG_FILES cogl-gles2/cogl-gles2-2.0-experimental.pc" ;; + "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;; + "doc/reference/Makefile") CONFIG_FILES="$CONFIG_FILES doc/reference/Makefile" ;; + "doc/reference/cogl/Makefile") CONFIG_FILES="$CONFIG_FILES doc/reference/cogl/Makefile" ;; + "doc/reference/cogl/cogl-docs.xml") CONFIG_FILES="$CONFIG_FILES doc/reference/cogl/cogl-docs.xml" ;; + "doc/reference/cogl-2.0-experimental/Makefile") CONFIG_FILES="$CONFIG_FILES doc/reference/cogl-2.0-experimental/Makefile" ;; + "doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml") CONFIG_FILES="$CONFIG_FILES doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml" ;; + "doc/reference/cogl-gst/Makefile") CONFIG_FILES="$CONFIG_FILES doc/reference/cogl-gst/Makefile" ;; + "doc/reference/cogl-gst/cogl-gst-docs.xml") CONFIG_FILES="$CONFIG_FILES doc/reference/cogl-gst/cogl-gst-docs.xml" ;; + "examples/Makefile") CONFIG_FILES="$CONFIG_FILES examples/Makefile" ;; + "tests/Makefile") CONFIG_FILES="$CONFIG_FILES tests/Makefile" ;; + "tests/config.env") CONFIG_FILES="$CONFIG_FILES tests/config.env" ;; + "tests/conform/Makefile") CONFIG_FILES="$CONFIG_FILES tests/conform/Makefile" ;; + "tests/unit/Makefile") CONFIG_FILES="$CONFIG_FILES tests/unit/Makefile" ;; + "tests/micro-perf/Makefile") CONFIG_FILES="$CONFIG_FILES tests/micro-perf/Makefile" ;; + "tests/data/Makefile") CONFIG_FILES="$CONFIG_FILES tests/data/Makefile" ;; + "po/Makefile.in") CONFIG_FILES="$CONFIG_FILES po/Makefile.in" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. 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+need_locks=$lt_need_locks + +# Manifest tool. +MANIFEST_TOOL=$lt_MANIFEST_TOOL + +# Tool to manipulate archived DWARF debug symbol files on Mac OS X. +DSYMUTIL=$lt_DSYMUTIL + +# Tool to change global to local symbols on Mac OS X. +NMEDIT=$lt_NMEDIT + +# Tool to manipulate fat objects and archives on Mac OS X. +LIPO=$lt_LIPO + +# ldd/readelf like tool for Mach-O binaries on Mac OS X. +OTOOL=$lt_OTOOL + +# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4. +OTOOL64=$lt_OTOOL64 + +# Old archive suffix (normally "a"). +libext=$libext + +# Shared library suffix (normally ".so"). +shrext_cmds=$lt_shrext_cmds + +# The commands to extract the exported symbol list from a shared archive. +extract_expsyms_cmds=$lt_extract_expsyms_cmds + +# Variables whose values should be saved in libtool wrapper scripts and +# restored at link time. +variables_saved_for_relink=$lt_variables_saved_for_relink + +# Do we need the "lib" prefix for modules? +need_lib_prefix=$need_lib_prefix + +# Do we need a version for libraries? +need_version=$need_version + +# Library versioning type. +version_type=$version_type + +# Shared library runtime path variable. +runpath_var=$runpath_var + +# Shared library path variable. +shlibpath_var=$shlibpath_var + +# Is shlibpath searched before the hard-coded library search path? +shlibpath_overrides_runpath=$shlibpath_overrides_runpath + +# Format of library name prefix. +libname_spec=$lt_libname_spec + +# List of archive names. First name is the real one, the rest are links. +# The last name is the one that the linker finds with -lNAME +library_names_spec=$lt_library_names_spec + +# The coded name of the library, if different from the real name. +soname_spec=$lt_soname_spec + +# Permission mode override for installation of shared libraries. +install_override_mode=$lt_install_override_mode + +# Command to use after installation of a shared archive. +postinstall_cmds=$lt_postinstall_cmds + +# Command to use after uninstallation of a shared archive. +postuninstall_cmds=$lt_postuninstall_cmds + +# Commands used to finish a libtool library installation in a directory. +finish_cmds=$lt_finish_cmds + +# As "finish_cmds", except a single script fragment to be evaled but +# not shown. +finish_eval=$lt_finish_eval + +# Whether we should hardcode library paths into libraries. +hardcode_into_libs=$hardcode_into_libs + +# Compile-time system search path for libraries. +sys_lib_search_path_spec=$lt_sys_lib_search_path_spec + +# Run-time system search path for libraries. +sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec + +# Whether dlopen is supported. +dlopen_support=$enable_dlopen + +# Whether dlopen of programs is supported. +dlopen_self=$enable_dlopen_self + +# Whether dlopen of statically linked programs is supported. +dlopen_self_static=$enable_dlopen_self_static + +# Commands to strip libraries. +old_striplib=$lt_old_striplib +striplib=$lt_striplib + + +# The linker used to build libraries. +LD=$lt_LD + +# How to create reloadable object files. +reload_flag=$lt_reload_flag +reload_cmds=$lt_reload_cmds + +# Commands used to build an old-style archive. +old_archive_cmds=$lt_old_archive_cmds + +# A language specific compiler. +CC=$lt_compiler + +# Is the compiler the GNU compiler? +with_gcc=$GCC + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds +archive_expsym_cmds=$lt_archive_expsym_cmds + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds +module_expsym_cmds=$lt_module_expsym_cmds + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \${shlibpath_var} if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action + +# The directories searched by this compiler when creating a shared library. +compiler_lib_search_dirs=$lt_compiler_lib_search_dirs + +# Dependencies to place before and after the objects being linked to +# create a shared library. +predep_objects=$lt_predep_objects +postdep_objects=$lt_postdep_objects +predeps=$lt_predeps +postdeps=$lt_postdeps + +# The library search path used internally by the compiler when linking +# a shared library. +compiler_lib_search_path=$lt_compiler_lib_search_path + +# ### END LIBTOOL CONFIG + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test "X${COLLECT_NAMES+set}" != Xset; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + +ltmain="$ac_aux_dir/ltmain.sh" + + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + if test x"$xsi_shell" = xyes; then + sed -e '/^func_dirname ()$/,/^} # func_dirname /c\ +func_dirname ()\ +{\ +\ case ${1} in\ +\ */*) func_dirname_result="${1%/*}${2}" ;;\ +\ * ) func_dirname_result="${3}" ;;\ +\ esac\ +} # Extended-shell func_dirname implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_basename ()$/,/^} # func_basename /c\ +func_basename ()\ +{\ +\ func_basename_result="${1##*/}"\ +} # Extended-shell func_basename implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_dirname_and_basename ()$/,/^} # func_dirname_and_basename /c\ +func_dirname_and_basename ()\ +{\ +\ case ${1} in\ +\ */*) func_dirname_result="${1%/*}${2}" ;;\ +\ * ) func_dirname_result="${3}" ;;\ +\ esac\ +\ func_basename_result="${1##*/}"\ +} # Extended-shell func_dirname_and_basename implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_stripname ()$/,/^} # func_stripname /c\ +func_stripname ()\ +{\ +\ # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are\ +\ # positional parameters, so assign one to ordinary parameter first.\ +\ func_stripname_result=${3}\ +\ func_stripname_result=${func_stripname_result#"${1}"}\ +\ func_stripname_result=${func_stripname_result%"${2}"}\ +} # Extended-shell func_stripname implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_split_long_opt ()$/,/^} # func_split_long_opt /c\ +func_split_long_opt ()\ +{\ +\ func_split_long_opt_name=${1%%=*}\ +\ func_split_long_opt_arg=${1#*=}\ +} # Extended-shell func_split_long_opt implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_split_short_opt ()$/,/^} # func_split_short_opt /c\ +func_split_short_opt ()\ +{\ +\ func_split_short_opt_arg=${1#??}\ +\ func_split_short_opt_name=${1%"$func_split_short_opt_arg"}\ +} # Extended-shell func_split_short_opt implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_lo2o ()$/,/^} # func_lo2o /c\ +func_lo2o ()\ +{\ +\ case ${1} in\ +\ *.lo) func_lo2o_result=${1%.lo}.${objext} ;;\ +\ *) func_lo2o_result=${1} ;;\ +\ esac\ +} # Extended-shell func_lo2o implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_xform ()$/,/^} # func_xform /c\ +func_xform ()\ +{\ + func_xform_result=${1%.*}.lo\ +} # Extended-shell func_xform implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_arith ()$/,/^} # func_arith /c\ +func_arith ()\ +{\ + func_arith_result=$(( $* ))\ +} # Extended-shell func_arith implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_len ()$/,/^} # func_len /c\ +func_len ()\ +{\ + func_len_result=${#1}\ +} # Extended-shell func_len implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + +fi + +if test x"$lt_shell_append" = xyes; then + sed -e '/^func_append ()$/,/^} # func_append /c\ +func_append ()\ +{\ + eval "${1}+=\\${2}"\ +} # Extended-shell func_append implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + sed -e '/^func_append_quoted ()$/,/^} # func_append_quoted /c\ +func_append_quoted ()\ +{\ +\ func_quote_for_eval "${2}"\ +\ eval "${1}+=\\\\ \\$func_quote_for_eval_result"\ +} # Extended-shell func_append_quoted implementation' "$cfgfile" > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") +test 0 -eq $? || _lt_function_replace_fail=: + + + # Save a `func_append' function call where possible by direct use of '+=' + sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1+="%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +else + # Save a `func_append' function call even when '+=' is not available + sed -e 's%func_append \([a-zA-Z_]\{1,\}\) "%\1="$\1%g' $cfgfile > $cfgfile.tmp \ + && mv -f "$cfgfile.tmp" "$cfgfile" \ + || (rm -f "$cfgfile" && cp "$cfgfile.tmp" "$cfgfile" && rm -f "$cfgfile.tmp") + test 0 -eq $? || _lt_function_replace_fail=: +fi + +if test x"$_lt_function_replace_fail" = x":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Unable to substitute extended shell functions in $ofile" >&5 +$as_echo "$as_me: WARNING: Unable to substitute extended shell functions in $ofile" >&2;} +fi + + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" + + + cat <<_LT_EOF >> "$ofile" + +# ### BEGIN LIBTOOL TAG CONFIG: CXX + +# The linker used to build libraries. +LD=$lt_LD_CXX + +# How to create reloadable object files. +reload_flag=$lt_reload_flag_CXX +reload_cmds=$lt_reload_cmds_CXX + +# Commands used to build an old-style archive. +old_archive_cmds=$lt_old_archive_cmds_CXX + +# A language specific compiler. +CC=$lt_compiler_CXX + +# Is the compiler the GNU compiler? +with_gcc=$GCC_CXX + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_CXX + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic_CXX + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl_CXX + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static_CXX + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o_CXX + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc_CXX + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_CXX + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_CXX + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec_CXX + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object_CXX + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_CXX + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_CXX + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds_CXX +archive_expsym_cmds=$lt_archive_expsym_cmds_CXX + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds_CXX +module_expsym_cmds=$lt_module_expsym_cmds_CXX + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld_CXX + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag_CXX + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag_CXX + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_CXX + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator_CXX + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct_CXX + +# Set to "yes" if using DIR/libNAME\${shared_ext} during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \${shlibpath_var} if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute_CXX + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L_CXX + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var_CXX + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic_CXX + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath_CXX + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs_CXX + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols_CXX + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds_CXX + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms_CXX + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms_CXX + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds_CXX + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds_CXX + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec_CXX + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action_CXX + +# The directories searched by this compiler when creating a shared library. +compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_CXX + +# Dependencies to place before and after the objects being linked to +# create a shared library. +predep_objects=$lt_predep_objects_CXX +postdep_objects=$lt_postdep_objects_CXX +predeps=$lt_predeps_CXX +postdeps=$lt_postdeps_CXX + +# The library search path used internally by the compiler when linking +# a shared library. +compiler_lib_search_path=$lt_compiler_lib_search_path_CXX + +# ### END LIBTOOL TAG CONFIG: CXX +_LT_EOF + + ;; + "deps/glib/glibconfig.h":C) + outfile=deps/glib/glibconfig.h-tmp + cat > $outfile <<\_______EOF +/* glibconfig.h + * + * This is a generated file. Please modify 'configure.ac' + */ + +#ifndef __G_LIBCONFIG_H__ +#define __G_LIBCONFIG_H__ + +#include + +_______EOF + + if test x$glib_limits_h = xyes; then + echo '#include ' >> $outfile + fi + if test x$glib_float_h = xyes; then + echo '#include ' >> $outfile + fi + if test x$glib_values_h = xyes; then + echo '#include ' >> $outfile + fi + if test "$glib_header_alloca_h" = "yes"; then + echo '#define GLIB_HAVE_ALLOCA_H' >> $outfile + fi + if test x$glib_sys_poll_h = xyes; then + echo '#define GLIB_HAVE_SYS_POLL_H' >> $outfile + fi + if test x$glib_included_printf != xyes; then + echo " +/* Specifies that GLib's g_print*() functions wrap the + * system printf functions. This is useful to know, for example, + * when using glibc's register_printf_function(). + */" >> $outfile + echo '#define GLIB_USING_SYSTEM_PRINTF' >> $outfile + fi + + cat >> $outfile <<_______EOF + +G_BEGIN_DECLS + +#define G_MINFLOAT $glib_mf +#define G_MAXFLOAT $glib_Mf +#define G_MINDOUBLE $glib_md +#define G_MAXDOUBLE $glib_Md +#define G_MINSHORT $glib_ms +#define G_MAXSHORT $glib_Ms +#define G_MAXUSHORT $glib_Mus +#define G_MININT $glib_mi +#define G_MAXINT $glib_Mi +#define G_MAXUINT $glib_Mui +#define G_MINLONG $glib_ml +#define G_MAXLONG $glib_Ml +#define G_MAXULONG $glib_Mul + +_______EOF + + + ### this should always be true in a modern C/C++ compiler + cat >>$outfile <<_______EOF +typedef signed char gint8; +typedef unsigned char guint8; +_______EOF + + + if test -n "$gint16"; then + cat >>$outfile <<_______EOF +typedef signed $gint16 gint16; +typedef unsigned $gint16 guint16; +#define G_GINT16_MODIFIER $gint16_modifier +#define G_GINT16_FORMAT $gint16_format +#define G_GUINT16_FORMAT $guint16_format +_______EOF + fi + + + if test -n "$gint32"; then + cat >>$outfile <<_______EOF +typedef signed $gint32 gint32; +typedef unsigned $gint32 guint32; +#define G_GINT32_MODIFIER $gint32_modifier +#define G_GINT32_FORMAT $gint32_format +#define G_GUINT32_FORMAT $guint32_format +_______EOF + fi + + cat >>$outfile <<_______EOF +#define G_HAVE_GINT64 1 /* deprecated, always true */ + +${glib_extension}typedef signed $gint64 gint64; +${glib_extension}typedef unsigned $gint64 guint64; + +#define G_GINT64_CONSTANT(val) $gint64_constant +#define G_GUINT64_CONSTANT(val) $guint64_constant +_______EOF + + if test x$gint64_format != x ; then + cat >>$outfile <<_______EOF +#define G_GINT64_MODIFIER $gint64_modifier +#define G_GINT64_FORMAT $gint64_format +#define G_GUINT64_FORMAT $guint64_format +_______EOF + else + cat >>$outfile <<_______EOF +#undef G_GINT64_MODIFIER +#undef G_GINT64_FORMAT +#undef G_GUINT64_FORMAT +_______EOF + fi + + cat >>$outfile <<_______EOF + +#define GLIB_SIZEOF_VOID_P $glib_void_p +#define GLIB_SIZEOF_LONG $glib_long +#define GLIB_SIZEOF_SIZE_T $glib_size_t + +_______EOF + + cat >>$outfile <<_______EOF +typedef signed $glib_size_type_define gssize; +typedef unsigned $glib_size_type_define gsize; +#define G_GSIZE_MODIFIER $gsize_modifier +#define G_GSSIZE_FORMAT $gssize_format +#define G_GSIZE_FORMAT $gsize_format + +#define G_MAXSIZE G_MAXU$glib_msize_type +#define G_MINSSIZE G_MIN$glib_msize_type +#define G_MAXSSIZE G_MAX$glib_msize_type + +typedef gint64 goffset; +#define G_MINOFFSET G_MININT64 +#define G_MAXOFFSET G_MAXINT64 + +#define G_GOFFSET_MODIFIER G_GINT64_MODIFIER +#define G_GOFFSET_FORMAT G_GINT64_FORMAT +#define G_GOFFSET_CONSTANT(val) G_GINT64_CONSTANT(val) + +_______EOF + + if test -z "$glib_unknown_void_p"; then + cat >>$outfile <<_______EOF + +#define GPOINTER_TO_INT(p) ((gint) ${glib_gpi_cast} (p)) +#define GPOINTER_TO_UINT(p) ((guint) ${glib_gpui_cast} (p)) + +#define GINT_TO_POINTER(i) ((gpointer) ${glib_gpi_cast} (i)) +#define GUINT_TO_POINTER(u) ((gpointer) ${glib_gpui_cast} (u)) + +typedef signed $glib_intptr_type_define gintptr; +typedef unsigned $glib_intptr_type_define guintptr; + +#define G_GINTPTR_MODIFIER $gintptr_modifier +#define G_GINTPTR_FORMAT $gintptr_format +#define G_GUINTPTR_FORMAT $guintptr_format +_______EOF + else + echo '#error SIZEOF_VOID_P unknown - This should never happen' >>$outfile + fi + + + + cat >>$outfile <<_______EOF +$glib_atexit +$glib_memmove +$glib_defines +$glib_os +$glib_static_compilation + +$glib_vacopy + +#ifdef __cplusplus +#define G_HAVE_INLINE 1 +#else /* !__cplusplus */ +$glib_inline +#endif /* !__cplusplus */ + +#ifdef __cplusplus +#define G_CAN_INLINE 1 +_______EOF + + if test x$g_can_inline = xyes ; then + cat >>$outfile <<_______EOF +#else /* !__cplusplus */ +#define G_CAN_INLINE 1 +_______EOF + fi + + cat >>$outfile <<_______EOF +#endif + +_______EOF + + if test x$g_have_iso_c_varargs = xyes ; then + cat >>$outfile <<_______EOF +#ifndef __cplusplus +# define G_HAVE_ISO_VARARGS 1 +#endif +_______EOF + fi + if test x$g_have_iso_cxx_varargs = xyes ; then + cat >>$outfile <<_______EOF +#ifdef __cplusplus +# define G_HAVE_ISO_VARARGS 1 +#endif +_______EOF + fi + if test x$g_have_gnuc_varargs = xyes ; then + cat >>$outfile <<_______EOF + +/* gcc-2.95.x supports both gnu style and ISO varargs, but if -ansi + * is passed ISO vararg support is turned off, and there is no work + * around to turn it on, so we unconditionally turn it off. + */ +#if __GNUC__ == 2 && __GNUC_MINOR__ == 95 +# undef G_HAVE_ISO_VARARGS +#endif + +#define G_HAVE_GNUC_VARARGS 1 +_______EOF + fi + + echo >>$outfile + if test x$g_have_eilseq = xno; then + cat >>$outfile <<_______EOF +#ifndef EILSEQ +/* On some systems, like SunOS and NetBSD, EILSEQ is not defined. + * The correspondence between this and the corresponding definition + * in libiconv is essential. + */ +# define EILSEQ ENOENT +#endif +_______EOF + + fi + + if test x$g_have_gnuc_visibility = xyes; then + cat >>$outfile <<_______EOF +#define G_HAVE_GNUC_VISIBILITY 1 +_______EOF + fi + cat >>$outfile <<_______EOF +#if defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590) +#define G_GNUC_INTERNAL __attribute__((visibility("hidden"))) +#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550) +#define G_GNUC_INTERNAL __hidden +#elif defined (__GNUC__) && defined (G_HAVE_GNUC_VISIBILITY) +#define G_GNUC_INTERNAL __attribute__((visibility("hidden"))) +#else +#define G_GNUC_INTERNAL +#endif +_______EOF + + + echo >>$outfile + if test x$g_mutex_has_default = xyes; then + cat >>$outfile <<_______EOF +$g_enable_threads_def G_THREADS_ENABLED +#define G_THREADS_IMPL_$g_threads_impl_def +typedef struct _GStaticMutex GStaticMutex; +struct _GStaticMutex +{ + struct _GMutex *runtime_mutex; + union { + char pad[$g_mutex_sizeof]; + double dummy_double; + void *dummy_pointer; + long dummy_long; + } static_mutex; +}; +#define G_STATIC_MUTEX_INIT { NULL, { { $g_mutex_contents} } } +#define g_static_mutex_get_mutex(mutex) \\ + (g_thread_use_default_impl ? ((GMutex*)(gpointer) ((mutex)->static_mutex.pad)) : \\ + g_static_mutex_get_mutex_impl_shortcut (&((mutex)->runtime_mutex))) +_______EOF + else + cat >>$outfile <<_______EOF +$g_enable_threads_def G_THREADS_ENABLED +#define G_THREADS_IMPL_$g_threads_impl_def +typedef struct _GMutex* GStaticMutex; +#define G_STATIC_MUTEX_INIT NULL +#define g_static_mutex_get_mutex(mutex) \\ + (g_static_mutex_get_mutex_impl_shortcut (mutex)) +_______EOF + fi + + cat >>$outfile <<_______EOF +/* This represents a system thread as used by the implementation. An + * alien implementaion, as loaded by g_thread_init can only count on + * "sizeof (gpointer)" bytes to store their info. We however need more + * for some of our native implementations. */ +typedef union _GSystemThread GSystemThread; +union _GSystemThread +{ + char data[$g_system_thread_sizeof]; + double dummy_double; + void *dummy_pointer; + long dummy_long; +}; +_______EOF + if test x"$g_memory_barrier_needed" != xno; then + echo >>$outfile + echo "#define G_ATOMIC_OP_MEMORY_BARRIER_NEEDED 1" >>$outfile + fi + if test x"$g_gcc_atomic_ops" != xno; then + echo >>$outfile + echo "#define G_ATOMIC_OP_USE_GCC_BUILTINS 1" >>$outfile + fi + echo >>$outfile + g_bit_sizes="16 32 64" + for bits in $g_bit_sizes; do + cat >>$outfile <<_______EOF +#define GINT${bits}_TO_${g_bs_native}(val) ((gint${bits}) (val)) +#define GUINT${bits}_TO_${g_bs_native}(val) ((guint${bits}) (val)) +#define GINT${bits}_TO_${g_bs_alien}(val) ((gint${bits}) GUINT${bits}_SWAP_LE_BE (val)) +#define GUINT${bits}_TO_${g_bs_alien}(val) (GUINT${bits}_SWAP_LE_BE (val)) +_______EOF + done + + cat >>$outfile <<_______EOF +#define GLONG_TO_LE(val) ((glong) GINT${glongbits}_TO_LE (val)) +#define GULONG_TO_LE(val) ((gulong) GUINT${glongbits}_TO_LE (val)) +#define GLONG_TO_BE(val) ((glong) GINT${glongbits}_TO_BE (val)) +#define GULONG_TO_BE(val) ((gulong) GUINT${glongbits}_TO_BE (val)) +#define GINT_TO_LE(val) ((gint) GINT${gintbits}_TO_LE (val)) +#define GUINT_TO_LE(val) ((guint) GUINT${gintbits}_TO_LE (val)) +#define GINT_TO_BE(val) ((gint) GINT${gintbits}_TO_BE (val)) +#define GUINT_TO_BE(val) ((guint) GUINT${gintbits}_TO_BE (val)) +#define GSIZE_TO_LE(val) ((gsize) GUINT${gsizebits}_TO_LE (val)) +#define GSSIZE_TO_LE(val) ((gssize) GINT${gsizebits}_TO_LE (val)) +#define GSIZE_TO_BE(val) ((gsize) GUINT${gsizebits}_TO_BE (val)) +#define GSSIZE_TO_BE(val) ((gssize) GINT${gsizebits}_TO_BE (val)) +#define G_BYTE_ORDER $g_byte_order + +#define G_MODULE_SUFFIX "$g_module_suffix" + +/* A GPid is an abstraction for a process "handle". It is *not* an + * abstraction for a process identifier in general. GPid is used in + * GLib only for descendant processes spawned with the g_spawn* + * functions. On POSIX there is no "process handle" concept as such, + * but on Windows a GPid is a handle to a process, a kind of pointer, + * not a process identifier. + */ +typedef $g_pid_type GPid; + +G_END_DECLS + +#endif /* GLIBCONFIG_H */ +_______EOF + + + if cmp -s $outfile deps/glib/glibconfig.h; then + { $as_echo "$as_me:${as_lineno-$LINENO}: deps/glib/glibconfig.h is unchanged" >&5 +$as_echo "$as_me: deps/glib/glibconfig.h is unchanged" >&6;} + rm -f $outfile + else + mv $outfile deps/glib/glibconfig.h + fi + ;; + "po-directories":C) + for ac_file in $CONFIG_FILES; do + # Support "outfile[:infile[:infile...]]" + case "$ac_file" in + *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + esac + # PO directories have a Makefile.in generated from Makefile.in.in. + case "$ac_file" in */Makefile.in) + # Adjust a relative srcdir. + ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` + ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`" + ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + case "$ac_given_srcdir" in + .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + # Treat a directory as a PO directory if and only if it has a + # POTFILES.in file. This allows packages to have multiple PO + # directories under different names or in different locations. + if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then + rm -f "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES" + cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES" + POMAKEFILEDEPS="POTFILES.in" + # ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend + # on $ac_dir but don't depend on user-specified configuration + # parameters. + if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then + # The LINGUAS file contains the set of available languages. + if test -n "$OBSOLETE_ALL_LINGUAS"; then + test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete" + fi + ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"` + # Hide the ALL_LINGUAS assigment from automake < 1.5. + eval 'ALL_LINGUAS''=$ALL_LINGUAS_' + POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS" + else + # The set of available languages was given in configure.in. + # Hide the ALL_LINGUAS assigment from automake < 1.5. + eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS' + fi + # Compute POFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po) + # Compute UPDATEPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).po-update) + # Compute DUMMYPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).nop) + # Compute GMOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo) + case "$ac_given_srcdir" in + .) srcdirpre= ;; + *) srcdirpre='$(srcdir)/' ;; + esac + POFILES= + UPDATEPOFILES= + DUMMYPOFILES= + GMOFILES= + for lang in $ALL_LINGUAS; do + POFILES="$POFILES $srcdirpre$lang.po" + UPDATEPOFILES="$UPDATEPOFILES $lang.po-update" + DUMMYPOFILES="$DUMMYPOFILES $lang.nop" + GMOFILES="$GMOFILES $srcdirpre$lang.gmo" + done + # CATALOGS depends on both $ac_dir and the user's LINGUAS + # environment variable. + INST_LINGUAS= + if test -n "$ALL_LINGUAS"; then + for presentlang in $ALL_LINGUAS; do + useit=no + if test "%UNSET%" != "$LINGUAS"; then + desiredlanguages="$LINGUAS" + else + desiredlanguages="$ALL_LINGUAS" + fi + for desiredlang in $desiredlanguages; do + # Use the presentlang catalog if desiredlang is + # a. equal to presentlang, or + # b. a variant of presentlang (because in this case, + # presentlang can be used as a fallback for messages + # which are not translated in the desiredlang catalog). + case "$desiredlang" in + "$presentlang"*) useit=yes;; + esac + done + if test $useit = yes; then + INST_LINGUAS="$INST_LINGUAS $presentlang" + fi + done + fi + CATALOGS= + if test -n "$INST_LINGUAS"; then + for lang in $INST_LINGUAS; do + CATALOGS="$CATALOGS $lang.gmo" + done + fi + test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile" + sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile" + for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do + if test -f "$f"; then + case "$f" in + *.orig | *.bak | *~) ;; + *) cat "$f" >> "$ac_dir/Makefile" ;; + esac + fi + done + fi + ;; + esac + done ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + + +echo "" +echo "Cogl - $COGL_1_VERSION/$COGL_VERSION (${COGL_RELEASE_STATUS})" + +# Global flags +echo "" +echo " • Global:" +echo " Prefix: ${prefix}" +if test "x$COGL_DEFAULT_DRIVER" != "x"; then +echo " Default driver: ${COGL_DEFAULT_DRIVER}" +fi + +echo "" +# Features +echo " • Features:" +echo " Drivers: ${enabled_drivers}" +if test "x$GL_LIBRARY_DIRECTLY_LINKED" != xyes; then : + for driver in $enabled_drivers; do + driver=`echo $driver | tr "gles" "GLES"` + libname=`eval echo \\$COGL_${driver}_LIBNAME` + echo " Library name for $driver: $libname" + done +fi +echo " GL Window System APIs:${GL_WINSYS_APIS}" +if test "x$SUPPORT_EGL" = "xyes"; then +echo " EGL Platforms:${EGL_PLATFORMS}" +echo " Wayland compositor support: ${enable_wayland_egl_server}" +fi +if test "x$SUPPORT_SDL" = "xyes"; then +echo " Supported SDL GL APIs: ${SUPPORTED_SDL_GL_APIS}" +fi +echo " Building for emscripten environment: $enable_emscripten" +echo " Build libcogl-gles2 GLES 2.0 frontend api: ${enable_cogl_gles2}" +echo " Image backend: ${COGL_IMAGE_BACKEND}" +echo " Cogl Pango: ${enable_cogl_pango}" +echo " Cogl Gstreamer: ${enable_cogl_gst}" +echo " Cogl Path: ${enable_cogl_path}" + +# Compiler/Debug related flags +echo "" +echo " • Build options:" +echo " Debugging: ${enable_debug}" +echo " Profiling: ${enable_profile}" +echo " Enable deprecated symbols: ${enable_deprecated}" +echo " Compiler flags: ${CFLAGS} ${COGL_EXTRA_CFLAGS}" +echo " Linker flags: ${LDFLAGS} ${COGL_EXTRA_LDFLAGS}" + +# Miscellaneous +echo "" +echo " • Extra:" +echo " Build API reference: ${enable_gtk_doc}" +echo " Build introspection data: ${enable_introspection}" +echo " Build unit tests: ${enable_unit_tests}" +echo " Enable internationalization: ${USE_NLS}" + +echo "" + +# General warning about experimental features +if test "x$EXPERIMENTAL_CONFIG" = "xyes"; then +echo "" +echo "☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠" +echo " *WARNING*" +echo "" +echo " The stability of your build might be affected by one or more" +echo " experimental configuration options." +echo +echo " experimental options: $EXPERIMENTAL_OPTIONS" +echo "☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠" +echo "" +fi diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..0359625 --- /dev/null +++ b/configure.ac @@ -0,0 +1,1572 @@ +AC_PREREQ(2.59) + +dnl ================================================================ +dnl XXX: If you are making a release then you need to check these +dnl sections: +dnl » API versions (Only the 1.x version needs to change) +dnl (the pretty numbers that the users see) +dnl +dnl » Interface version details for libtool +dnl (the shared library versioning information) +dnl +dnl » Source code release status +dnl (mark the source code as being part of a "release" or from "git") +dnl ================================================================ + +dnl ================================================================ +dnl API versions (i.e. the pretty numbers that users see) +dnl ================================================================ +m4_define([cogl_major_version], [2]) +m4_define([cogl_minor_version], [0]) +m4_define([cogl_micro_version], [0]) +m4_define([cogl_version], + [cogl_major_version.cogl_minor_version.cogl_micro_version]) + +dnl Since the core Cogl library has to also maintain support for the +dnl Cogl 1.x API for Clutter then we track the 1.x version separately. +m4_define([cogl_1_minor_version], [18]) +m4_define([cogl_1_micro_version], [2]) +m4_define([cogl_1_version], [1.cogl_1_minor_version.cogl_1_micro_version]) + +dnl ================================================================ +dnl Interface version details for libtool +dnl ================================================================ +# Note: we don't automatically deduce the libtool version info from +# the pretty version number that users sees. This is because we want +# to update the pretty version number before making a release since it +# can affect the name of our pkg-config file and the naming or +# location of other installed files which we want to be able to verify +# as correct well before making a release. +# +# For reference on how the various numbers should be updated at +# release time these rules are adapted from the libtool info pages: +# +# 1. Update the version information only immediately before a public +# release. +# +# 2. If the library source code has changed at all since the last +# update, then increment REVISION (`C:R:A' becomes `C:r+1:A'). +# +# 3. If any interfaces have been added, removed, or changed since the +# last update, increment CURRENT, and set REVISION to 0. +# +# 4. If any interfaces have been added since the last public release, +# then increment AGE. +# +# 5. If any interfaces have been removed since the last public release, +# then set AGE to 0. +m4_define([cogl_lt_current], 22) +m4_define([cogl_lt_revision], 0) +m4_define([cogl_lt_age], 2) +# We do also tell libtool the pretty version: +m4_define([cogl_lt_release], [cogl_version]) + + +dnl ================================================================ +dnl Source code release status +dnl ================================================================ +# Finally we explicitly track when we are building development source +# from Git vs building source corresponding to a release. As with the +# libtool version info we don't automatically derive this from the +# pretty version number because we want to test the results of +# updating the version number in advance of a release. +# +# Possible status values are: git, snapshot or release +# +m4_define([cogl_release_status], [release]) + +AC_INIT(cogl, [cogl_1_version]) +AC_CONFIG_SRCDIR(cogl/cogl.h) +AC_CONFIG_AUX_DIR([build]) +AC_CONFIG_MACRO_DIR([build/autotools]) +AC_CONFIG_HEADERS(config.h) +AC_GNU_SOURCE + +dnl ================================================================ +dnl Required versions for dependencies +dnl ================================================================ +m4_define([glib_req_version], [2.32.0]) +m4_define([pangocairo_req_version], [1.20]) +m4_define([gi_req_version], [0.9.5]) +m4_define([gdk_pixbuf_req_version], [2.0]) +m4_define([uprof_req_version], [0.3]) +m4_define([gtk_doc_req_version], [1.13]) +m4_define([xfixes_req_version], [3]) +m4_define([xcomposite_req_version], [0.4]) +m4_define([xrandr_req_version], [1.2]) +m4_define([cairo_req_version], [1.10]) +m4_define([wayland_req_version], [1.0.0]) +m4_define([wayland_server_req_version], [1.1.90]) + +dnl These variables get copied into the generated README +AC_SUBST([GLIB_REQ_VERSION], [glib_req_version]) +AC_SUBST([GDK_PIXBUF_REQ_VERSION], [gdk_pixbuf_req_version]) +AC_SUBST([CAIRO_REQ_VERSION], [cairo_req_version]) +AC_SUBST([PANGOCAIRO_REQ_VERSION], [pangocairo_req_version]) +AC_SUBST([XCOMPOSITE_REQ_VERSION], [xcomposite_req_version]) +AC_SUBST([XFIXES_REQ_VERSION], [xfixes_req_version]) +AC_SUBST([GTK_DOC_REQ_VERSION], [gtk_doc_req_version]) +AC_SUBST([GI_REQ_VERSION], [gi_req_version]) +AC_SUBST([UPROF_REQ_VERSION], [uprof_req_version]) +AC_SUBST([WAYLAND_REQ_VERSION], [wayland_req_version]) +AC_SUBST([WAYLAND_SERVER_REQ_VERSION], [wayland_server_req_version]) + +# Save this value here, since automake will set cflags later and we +# want to know if the user specified custom cflags or not. +cflags_set=${CFLAGS+set} + +AM_INIT_AUTOMAKE([1.11 foreign -Wno-portability no-define no-dist-gzip + dist-xz tar-ustar]) +AM_SILENT_RULES([yes]) + +AH_BOTTOM([#include "config-custom.h"]) + +dnl ================================================================ +dnl Export the API versioning +dnl ================================================================ +AC_SUBST([COGL_MAJOR_VERSION],[cogl_major_version]) +AC_SUBST([COGL_MINOR_VERSION],[cogl_minor_version]) +AC_SUBST([COGL_MICRO_VERSION],[cogl_micro_version]) +AC_SUBST([COGL_VERSION],[cogl_version]) +AC_SUBST([COGL_API_VERSION],[cogl_major_version.0]) +AC_SUBST([COGL_API_VERSION_AM],[$COGL_MAJOR_VERSION\_0]) + +AC_SUBST([COGL_1_MINOR_VERSION],[cogl_1_minor_version]) +AC_SUBST([COGL_1_MICRO_VERSION],[cogl_1_micro_version]) +AC_SUBST([COGL_1_VERSION],[cogl_1_version]) + + +dnl ================================================================ +dnl Export the libtool versioning +dnl ================================================================ +AC_SUBST([COGL_LT_CURRENT], [cogl_lt_current]) +AC_SUBST([COGL_LT_REVISION], [cogl_lt_revision]) +AC_SUBST([COGL_LT_AGE], [cogl_lt_age]) +AC_SUBST([COGL_LT_RELEASE], [cogl_lt_release]) + + +dnl ================================================================ +dnl Export the source code release status +dnl ================================================================ +AC_SUBST([COGL_RELEASE_STATUS], [cogl_release_status]) + +dnl ================================================================ +dnl Compiler stuff. +dnl ================================================================ +AC_PROG_CC +AC_PROG_CPP +AC_PROG_CXX +AM_PROG_CC_C_O +AC_ISC_POSIX +AC_C_CONST + +dnl ============================================================ +dnl Compiler features +dnl ============================================================ +AC_MSG_CHECKING([for _Static_assert]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([_Static_assert (1, "");], + [(void) 0])], + [AC_DEFINE([HAVE_STATIC_ASSERT], [1], + [Whether _Static_assert can be used or not]) + AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])]) + +dnl ================================================================ +dnl Libtool stuff. +dnl ================================================================ +dnl AC_PROG_LIBTOOL +dnl LIBTOOL="$LIBTOOL --preserve-dup-deps" +LT_PREREQ([2.2.6]) +LT_INIT([disable-static]) +dnl when using libtool 2.x create libtool early, because it's used in the +dnl internal glib configure (as-glibconfig.m4) +m4_ifdef([LT_OUTPUT], [LT_OUTPUT]) + +dnl ================================================================ +dnl Find an appropriate libm, for sin() etc. +dnl ================================================================ +LT_LIB_M +AC_SUBST(LIBM) + +dnl ================================================================ +dnl See what platform we are building for +dnl ================================================================ +AC_CANONICAL_HOST +AC_MSG_CHECKING([if building for some Win32 platform]) +AS_CASE([$host], + [*-*-mingw*|*-*-cygwin*], + [ + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -no-undefined" + platform_win32=yes + ], + + [platform_win32=no] +) +AC_MSG_RESULT([$platform_win32]) +AM_CONDITIONAL(OS_WIN32, [test "$platform_win32" = "yes"]) + +AC_CHECK_HEADER([OpenGL/gl.h], [platform_quartz=yes], [platform_quartz=no]) +AM_CONDITIONAL(OS_QUARTZ, [test "$platform_quartz" = "yes"]) + +dnl ================================================================ +dnl Handle extra configure options +dnl ================================================================ + + +dnl ============================================================ +dnl Installed tests +dnl ============================================================ + +AC_ARG_ENABLE(installed_tests, + AS_HELP_STRING([--enable-installed-tests], + [Install test programs (default: no)]),, + [enable_installed_tests=no]) +AM_CONDITIONAL(ENABLE_INSTALLED_TESTS, test x$enable_installed_tests = xyes) + + +dnl ============================================================ +dnl Emscripten support +dnl ============================================================ + +AC_ARG_ENABLE( + [emscripten], + [AC_HELP_STRING([--enable-emscripten=@<:@no/yes@:>@], [Support building for emscripten])], + [], + enable_emscripten=no +) +AS_IF([test "x$enable_emscripten" = "xyes"], + [ + enable_standalone=yes + enable_sdl=yes + enable_gles2=yes + enable_gl=no + AC_DEFINE([USING_EMSCRIPTEN], 1, [Cogl is being compiled with emscripten]) + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EMSCRIPTEN_SUPPORT" + ] +) +AM_CONDITIONAL(USING_EMSCRIPTEN, [test "$enable_emscripten" = "yes"]) + + +dnl ============================================================ +dnl Standalone cogl +dnl ============================================================ + +AC_ARG_ENABLE( + [standalone], + [AC_HELP_STRING([--enable-standalone=@<:@no/yes@:>@], [Build Cogl without any external depedency @<:@default=no@:>@])], + [], + enable_standalone=no +) +AS_IF([test "x$enable_standalone" = "xyes"], + [ + enable_cairo=no + enable_glib=no + enable_cogl_pango=no + enable_nls=no + enable_gdk_pixbuf=no + ] +) + +dnl ============================================================ +dnl Enable debugging +dnl ============================================================ +m4_define([debug_default], [m4_if(cogl_release_status, [git], [yes], [no])]) +AC_ARG_ENABLE( + [debug], + [AC_HELP_STRING([--enable-debug=@<:@no/yes@:>@], [Control Cogl debugging level @<:@default=]debug_default[@:>@])], + [], + enable_debug=debug_default +) +AS_CASE( + [$enable_debug], + [yes], + [ + test "$cflags_set" = set || CFLAGS="$CFLAGS -g -O0" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -DCOGL_GL_DEBUG -DCOGL_OBJECT_DEBUG -DCOGL_ENABLE_DEBUG" + ], + [no], + [ + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -DG_DISABLE_CHECKS -DG_DISABLE_CAST_CHECKS" + ], + [AC_MSG_ERROR([Unknown argument for --enable-debug])] +) + +AC_SUBST(COGL_DEBUG_CFLAGS) + +AC_ARG_ENABLE( + [unit-tests], + [AC_HELP_STRING([--enable-unit-tests=@<:@no/yes@:>@], [Build Cogl unit tests @<:@default=yes@:>@])], + [], + enable_unit_tests=yes +) +AS_IF([test "x$enable_unit_tests" = "xyes"], + [ + AC_DEFINE([ENABLE_UNIT_TESTS], [1], [Whether to enable building unit tests]) + ] +) +AM_CONDITIONAL(UNIT_TESTS, test "x$enable_unit_tests" = "xyes") + +dnl ============================================================ +dnl Enable cairo usage for debugging +dnl (debugging code can use cairo to dump the atlas) +dnl ============================================================ + +PKG_CHECK_EXISTS([CAIRO], [cairo >= cairo_req_version], [have_cairo=yes]) +AC_ARG_ENABLE( + [cairo], + [AC_HELP_STRING([--enable-cairo=@<:@no/yes@:>@], [Control Cairo usage in Cogl debugging code @<:@default=auto@:>@])], + [], + [ + AS_IF([test "x$enable_debug" = "xyes"], + [enable_cairo=$have_cairo], + [enable_cairo=no]) + ] +) +AS_IF([test "x$enable_cairo" = "xyes" && test "x$enable_debug" = "xyes"], + [ + AS_IF([test "x$have_cairo" != "xyes"], + [AC_MSG_ERROR([Could not find Cairo])]) + + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES cairo >= cairo_req_version" + AC_DEFINE([HAVE_CAIRO], [1], [Whether we have cairo or not]) + ]) + + +dnl ============================================================ +dnl Enable profiling +dnl ============================================================ +AC_ARG_ENABLE(profile, + [AC_HELP_STRING([--enable-profile=@<:@no/yes@:>@], + [Turn on uprof profiling support. yes; All UProf profiling probe points are compiled in and may be runtime enabled. no; No profiling support will built into cogl. @<:@default=no@:>@])], + [], + [enable_profile=no]) +AS_IF([test "x$enable_profile" = "xyes"], + [ + AS_IF([test "x$GCC" = "xyes"], + [ + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES uprof-0.3" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -DCOGL_ENABLE_PROFILE" + AS_IF([test "x$enable_debug" = "xyes"], [COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -DUPROF_DEBUG"]) + ], + [ + AC_MSG_ERROR([--enable-profile is currently only supported if using GCC]) + ]) + ]) +AM_CONDITIONAL(PROFILE, test "x$enable_profile" != "xno") + + +dnl ============================================================ +dnl Enable strict compiler flags +dnl ============================================================ + +# use strict compiler flags only when building from git; the rules for +# distcheck will take care of turning this on when making a release +m4_define([maintainer_default], [m4_if(cogl_release_status, [git], [yes], [no])]) +AC_ARG_ENABLE( + [maintainer-flags], + [AC_HELP_STRING([--enable-maintainer-flags=@<:@no/yes/error@:>@], [Use strict compiler flags @<:@default=]maintainer_default[@:>@])], + [], + enable_maintainer_flags=maintainer_default +) + +MAINTAINER_COMPILER_FLAGS="-Wall -Wcast-align -Wuninitialized + -Wno-strict-aliasing -Wempty-body -Wformat + -Wformat-security -Winit-self -Wundef + -Wdeclaration-after-statement -Wvla + -Wpointer-arith -Wmissing-declarations" + +AS_CASE( + [$enable_maintainer_flags], + [yes], + [ + AS_COMPILER_FLAGS([MAINTAINER_CFLAGS], [$MAINTAINER_COMPILER_FLAGS]) + ], + [no], + [ + ], + [error], + [ + MAINTAINER_COMPILER_FLAGS="$MAINTAINER_COMPILER_FLAGS -Werror" + AS_COMPILER_FLAGS([MAINTAINER_CFLAGS], [$MAINTAINER_COMPILER_FLAGS]) + ], + [*], + [AC_MSG_ERROR([Invalid option for --enable-maintainer-flags])] +) + +# strip leading spaces +COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS ${MAINTAINER_CFLAGS#* }" + + +dnl ============================================================ +dnl Enable deprecation guards +dnl ============================================================ + +# disable deprecated options from Glib only when building from git; +# the rules for distcheck will take care of turning this on when +# making a release +m4_define([deprecated_default], + [m4_if(cogl_release_status, [git], [no], [yes])]) + +AC_ARG_ENABLE([deprecated], + [AS_HELP_STRING([--enable-deprecated=@<:@no/yes@:>@], + [Whether deprecated symbols should be disabled when compiling Cogl @<:@default=]deprecated_default[@:>@])], + [], + [enable_deprecated=deprecated_default]) + +AS_CASE([$enable_deprecated], + + [no], + [ + DEPRECATED_CFLAGS="-DG_DISABLE_DEPRECATED -DG_DISABLE_SINGLE_INCLUDES" + ], + + [yes], + [ + DEPRECATED_CFLAGS="" + ], + + [AC_MSG_ERROR([Unknown argument for --enable-deprecated])] +) + +# strip leading spaces +COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS ${DEPRECATED_CFLAGS#* }" + +dnl ================================================================ +dnl Check for dependency packages. +dnl ================================================================ + +dnl ============================================================ +dnl Should glib be used? +dnl ============================================================ +AS_IF([test "x$enable_standalone" = "xno"], + [ + AM_PATH_GLIB_2_0([glib_req_version], + [have_glib=yes], [have_glib=no], + [gobject gthread gmodule-no-export]) + AC_ARG_ENABLE( + [glib], + [AC_HELP_STRING([--enable-glib=@<:@no/yes@:>@], [Enable glib support @<:@default=yes@:>@])], + [], + enable_glib=yes + ) + + AS_IF([test "x$have_glib" = "xno" && test "x$enable_glib" = "xyes"], + [AC_MSG_ERROR([gobject-2.0 is required])]) + ], + [enable_glib=no] +) + +AM_CONDITIONAL([USE_GLIB], [test "x$enable_glib" = "xyes"]) + +AS_IF([test "x$enable_glib" = "xyes"], + [ + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLIB_SUPPORT" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GTYPE_SUPPORT" + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES gobject-2.0 gmodule-no-export-2.0" + ], + [ + AS_GLIBCONFIG([deps/glib]) + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_srcdir)/deps" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_builddir)/deps" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_srcdir)/deps/glib" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_builddir)/deps/glib" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_srcdir)/deps/gmodule" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I\$(top_builddir)/deps/gmodule" + EXPERIMENTAL_CONFIG=yes + EXPERIMENTAL_OPTIONS="$EXPERIMENTAL_OPTIONS --disable-glib," + enable_nls=no + ] +) + +dnl ============================================================ +dnl Should cogl-pango be built? +dnl ============================================================ + +AS_IF([test "x$enable_glib" != "xyes"], + [ + AS_IF([test "x$enable_cogl_pango" = "xyes"], + AC_MSG_ERROR([--enable-cogl-pango conflicts with --disable-glib])) + enable_cogl_pango=no + ] +) + +AC_ARG_ENABLE( + [cogl-pango], + [AC_HELP_STRING([--enable-cogl-pango=@<:@no/yes@:>@], [Enable pango support @<:@default=yes@:>@])], + [], + enable_cogl_pango=yes +) +AS_IF([test "x$enable_cogl_pango" = "xyes"], + [ + COGL_PANGO_PKG_REQUIRES="$COGL_PANGO_PKG_REQUIRES pangocairo >= pangocairo_req_version" + ] +) + +dnl ============================================================ +dnl Should cogl-gst be built? +dnl ============================================================ + +AS_IF([test "x$enable_glib" != "xyes"], + [ + AS_IF([test "x$enable_cogl_gst" = "xyes"], + AC_MSG_ERROR([--enable-cogl-gst conflicts with --disable-glib])) + enable_cogl_gst=no + ] +) + +AC_ARG_ENABLE( + [cogl-gst], + [AC_HELP_STRING([--enable-cogl-gst=@<:@no/yes@:>@], [Enable gstreamer support @<:@default=no@:>@])], + [], + enable_cogl_gst=no +) +AS_IF([test "x$enable_cogl_gst" = "xyes"], + [ + COGL_GST_PKG_REQUIRES="$COGL_GST_PKG_REQUIRES gstreamer-1.0 gstreamer-fft-1.0 \ + gstreamer-audio-1.0 gstreamer-base-1.0 \ + gstreamer-video-1.0 gstreamer-plugins-base-1.0 \ + gstreamer-tag-1.0 gstreamer-controller-1.0" + + GST_MAJORMINOR=1.0 + + dnl define location of gstreamer plugin directory + plugindir="\$(libdir)/gstreamer-$GST_MAJORMINOR" + AC_SUBST(plugindir) + + dnl For the gtk doc generation + GSTREAMER_PREFIX="`$PKG_CONFIG --variable=prefix gstreamer-1.0`" + AC_SUBST(GSTREAMER_PREFIX) + ] +) + +dnl ============================================================ +dnl Should cogl-path be built? +dnl ============================================================ + +AC_ARG_ENABLE( + [cogl-path], + [AC_HELP_STRING([--enable-cogl-path=@<:@no/yes@:>@], [Enable 2D path support @<:@default=yes@:>@])], + [], + enable_cogl_path=yes +) +AS_IF([test "x$enable_cogl_path" = "xyes"], + [ + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_COGL_PATH_SUPPORT" + ] +) + +dnl ============================================================ +dnl Choose image loading backend +dnl ============================================================ +AC_ARG_ENABLE( + [gdk-pixbuf], + [AC_HELP_STRING([--enable-gdk-pixbuf=@<:@no/yes@:>@], [Enable image loading via gdk-pixbuf @<:@default=yes@:>@])], + [], + [AS_IF([test "x$enable_glib" = "xyes"], + [PKG_CHECK_EXISTS([gdk-pixbuf-2.0 >= gdk_pixbuf_req_version], + [enable_gdk_pixbuf=yes], + [enable_gdk_pixbuf=no])])] +) + +AC_ARG_ENABLE( + [quartz-image], + [AC_HELP_STRING([--enable-quartz-image=@<:@no/yes@:>@], [Enable image loading via quartz @<:@default=no@:>@])], + [], + enable_quartz_image=no +) + +AS_IF( + [test "x$enable_gdk_pixbuf" = "xyes"], + [ + AS_IF([test "x$enable_glib" != "xyes"], + [AC_MSG_ERROR([--disable-glib conflicts with --enable-gdk-pixbuf])]) + AC_DEFINE([USE_GDKPIXBUF], 1, [Use GdkPixbuf for loading image data]) + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES gdk-pixbuf-2.0 >= gdk_pixbuf_req_version" + COGL_IMAGE_BACKEND="gdk-pixbuf" + ], + [test "x$enable_quartz_image" = "xyes"], + [ + EXPERIMENTAL_CONFIG=yes + EXPERIMENTAL_OPTIONS="$EXPERIMENTAL_OPTIONS Quartz Core Graphics," + AC_DEFINE([USE_QUARTZ], 1, + [Use Core Graphics (Quartz) for loading image data]) + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -framework ApplicationServices" + COGL_IMAGE_BACKEND="quartz" + ], + [ + EXPERIMENTAL_CONFIG=yes + EXPERIMENTAL_OPTIONS="$EXPERIMENTAL_OPTIONS fallback image decoding (stb_image)," + AC_DEFINE([USE_INTERNAL], 1, + [Use internal image decoding for loading image data]) + COGL_IMAGE_BACKEND="stb_image" + ] +) + +dnl ============================================================ +dnl Should examples be installed? +dnl ============================================================ +AC_ARG_ENABLE( + [examples-install], + [AC_HELP_STRING([--enable-examples-install=@<:@no/yes@:>@], [Enable installation of examples @<:@default=no@:>@])], + [], + enable_examples_install=no +) +AM_CONDITIONAL([INSTALL_EXAMPLES], [test "x$enable_examples_install" = "xyes"]) + +dnl ============================================================ +dnl Determine which drivers and window systems we can support +dnl ============================================================ + +dnl ======================================================== +dnl Drivers first... +dnl ======================================================== +EGL_CHECKED=no + +dnl This gets set to yes if Cogl directly links to the GL library API +dnl so it doesn't need to be dlopened. This currently happens on OSX +dnl and WGL where it's not clear if window system API can be separated +dnl from the GL API. +GL_LIBRARY_DIRECTLY_LINKED=no + +enabled_drivers="" + +HAVE_GLES1=0 +AC_ARG_ENABLE( + [gles1], + [AC_HELP_STRING([--enable-gles1=@<:@no/yes@:>@], [Enable support for OpenGL-ES 1.1 @<:@default=no@:>@])], + [], + enable_gles1=no +) +AS_IF([test "x$enable_gles1" = "xyes"], + [ + AS_IF([test "x$platform_win32" = "xyes"], + [AC_MSG_ERROR([GLES 1 not available for win32])]) + + enabled_drivers="$enabled_drivers gles1" + + cogl_gl_headers="GLES/gl.h GLES/glext.h" + + AC_DEFINE([HAVE_COGL_GLES], 1, [Have GLES 1.1 for rendering]) + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLES CLUTTER_COGL_HAS_GLES" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLES1" + HAVE_GLES1=1 + + PKG_CHECK_EXISTS([glesv1_cm], + [COGL_PKG_REQUIRES_GL="$COGL_PKG_REQUIRES_GL glesv1_cm" + COGL_GLES1_LIBNAME="libGLESv1_CM.so" + ], + [ + # We have to check the two headers independently as GLES/glext.h + # needs to include GLES/gl.h to have the GL types defined (eg. + # GLenum). + AC_CHECK_HEADER([GLES/gl.h], + [], + [AC_MSG_ERROR([Unable to locate GLES/gl.h])]) + AC_CHECK_HEADER([GLES/glext.h], + [], + [AC_MSG_ERROR([Unable to locate GLES/glext.h])], + [#include ]) + + # Early implementations provided only a GLES/egl.h while Khronos's + # implementer guide now states EGL/egl.h is the One. Some + # implementations keep a GLES/egl.h wrapper around EGL/egl.h for + # backward compatibility while others provide EGL/egl.h only. + AC_CHECK_HEADERS([GLES/egl.h EGL/egl.h]) + + AS_IF([test "x$ac_cv_header_GLES_egl_h" = "xyes"], + [COGL_EGL_INCLUDES="#include "], + [test "x$ac_cv_header_EGL_egl_h" = "xyes"], + [ + COGL_EGL_INCLUDES="#include " + ], + [AC_MSG_ERROR([Unable to locate EGL header])]) + AC_SUBST([COGL_EGL_INCLUDES]) + + AC_CHECK_HEADERS([EGL/eglext.h], + [COGL_EGL_INCLUDES="$COGL_EGL_INCLUDE +#include "], + [], + [$COGL_EGL_INCLUDES]) + + # Check for a GLES 1.x Common Profile library with/without EGL. + # + # Note: historically GLES 1 libraries shipped with the + # EGL and GLES symbols all bundled in one library. Now + # the Khronos Implementers Guide defines two naming + # schemes: -lGLES_CM should be used for a library that + # bundles the GLES and EGL API together and -lGLESv1_CM + # would be used for a standalone GLES API. + AC_CHECK_LIB(GLES_CM, [eglInitialize], + [COGL_GLES1_LIBNAME="libGLES_CM.so"], + [ + AC_CHECK_LIB(GLESv1_CM, [glFlush], + [COGL_GLES1_LIBNAME="libGLESv1_CM.so" + NEED_SEPARATE_EGL=yes + ], + [AC_MSG_ERROR([Unable to locate required GLES 1.x Common Profile library])]) + ]) + + EGL_CHECKED=yes + ]) + ]) + +HAVE_GLES2=0 +AC_ARG_ENABLE( + [gles2], + [AC_HELP_STRING([--enable-gles2=@<:@no/yes@:>@], [Enable support for OpenGL-ES 2.0 @<:@default=no@:>@])], + [], + enable_gles2=no +) +AS_IF([test "x$enable_gles2" = "xyes"], + [ + AS_IF([test "x$platform_win32" = "xyes"], + [AC_MSG_ERROR([GLES 2 not available for win32])]) + + enabled_drivers="$enabled_drivers gles2" + + cogl_gl_headers="GLES2/gl2.h GLES2/gl2ext.h" + AC_DEFINE([HAVE_COGL_GLES2], 1, [Have GLES 2.0 for rendering]) + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLES CLUTTER_COGL_HAS_GLES" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLES2" + HAVE_GLES2=1 + + AS_IF([test "x$enable_emscripten" = "xyes"], + [ + GL_LIBRARY_DIRECTLY_LINKED=yes + COGL_GLES2_LIBNAME="" + AC_DEFINE([HAVE_COGL_WEBGL], 1, [Have WebGL for rendering]) + ], + + [ + PKG_CHECK_EXISTS([glesv2], + [COGL_PKG_REQUIRES_GL="$COGL_PKG_REQUIRES_GL glesv2" + COGL_GLES2_LIBNAME="libGLESv2.so" + ], + [ + # We have to check the two headers independently as GLES2/gl2ext.h + # needs to include GLES2/gl2.h to have the GL types defined (eg. + # GLenum). + AC_CHECK_HEADER([GLES2/gl2.h], + [], + [AC_MSG_ERROR([Unable to locate GLES2/gl2.h])]) + AC_CHECK_HEADER([GLES2/gl2ext.h], + [], + [AC_MSG_ERROR([Unable to locate GLES2/gl2ext.h])], + [#include ]) + + COGL_GLES2_LIBNAME="libGLESv2.so" + ]) + ]) + ]) + +HAVE_GL=0 +AC_ARG_ENABLE( + [gl], + [AC_HELP_STRING([--enable-gl=@<:@no/yes@:>@], [Enable support for OpenGL @<:@default=yes@:>@])], + [], + [enable_gl=yes] +) +AS_IF([test "x$enable_gl" = "xyes"], + [ + enabled_drivers="$enabled_drivers gl" + + PKG_CHECK_EXISTS([x11], [ALLOW_GLX=yes]) + + cogl_gl_headers="GL/gl.h" + + AS_IF([test "x$platform_quartz" = "xyes"], + [ + cogl_gl_headers="OpenGL/gl.h" + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -framework OpenGL" + dnl The GL API is being directly linked in so there is + dnl no need to dlopen it separately + GL_LIBRARY_DIRECTLY_LINKED=yes + COGL_GL_LIBNAME="" + ], + + [test "x$platform_win32" = "xyes"], + [ + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -lopengl32 -lgdi32 -lwinmm" + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -D_WIN32_WINNT=0x0500" + ALLOW_WGL=yes + dnl The GL API is being directly linked in so there is + dnl no need to dlopen it separately + GL_LIBRARY_DIRECTLY_LINKED=yes + COGL_GL_LIBNAME="" + ], + + [ + PKG_CHECK_EXISTS([gl], + dnl We don't want to use COGL_PKG_REQUIRES here because we don't want to + dnl directly link against libGL + [COGL_PKG_REQUIRES_GL="$COGL_PKG_REQUIRES_GL gl"], + [AC_CHECK_LIB(GL, [glGetString], + , + [AC_MSG_ERROR([Unable to locate required GL library])]) + ]) + COGL_GL_LIBNAME="libGL.so.1" + ]) + + AC_DEFINE([HAVE_COGL_GL], [1], [Have GL for rendering]) + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GL" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS CLUTTER_COGL_HAS_GL" + HAVE_GL=1 + ]) + +AM_CONDITIONAL([COGL_DRIVER_GL_SUPPORTED], [test "x$enable_gl" = "xyes"]) +AM_CONDITIONAL([COGL_DRIVER_GLES_SUPPORTED], + [test "x$enable_gles1" = "xyes" || test "x$enable_gles2" = "xyes"]) + +dnl Allow the GL library names and default driver to be overridden with configure options +AC_ARG_WITH([gl-libname], + [AS_HELP_STRING([--with-gl-libname], + override the name of the GL library to dlopen)], + [COGL_GL_LIBNAME="$withval"]) +AC_ARG_WITH([gles1-libname], + [AS_HELP_STRING([--with-gles1-libname], + override the name of the GLESv1 library to dlopen)], + [COGL_GLES1_LIBNAME="$withval"]) +AC_ARG_WITH([gles2-libname], + [AS_HELP_STRING([--with-gles2-libname], + override the name of the GLESv2 library to dlopen)], + [COGL_GLES2_LIBNAME="$withval"]) +AC_ARG_WITH([default-driver], + [AS_HELP_STRING([--with-default-driver], + specify a default cogl driver)], + [COGL_DEFAULT_DRIVER="${withval}"], + [COGL_DEFAULT_DRIVER="" ]) + +AM_CONDITIONAL(HAVE_COGL_DEFAULT_DRIVER, + [ test "x$COGL_DEFAULT_DRIVER" != "x" ]) + + +AC_SUBST([COGL_GL_LIBNAME]) +AC_SUBST([HAVE_GL]) +AC_SUBST([COGL_GLES1_LIBNAME]) +AC_SUBST([HAVE_GLES1]) +AC_SUBST([COGL_GLES2_LIBNAME]) +AC_SUBST([HAVE_GLES2]) +AC_SUBST([COGL_DEFAULT_DRIVER]) + +if test "x$GL_LIBRARY_DIRECTLY_LINKED" = "xyes"; then + AC_DEFINE([HAVE_DIRECTLY_LINKED_GL_LIBRARY], [1], + [Defined if the GL library should not be dlopened]) +fi + +AC_ARG_ENABLE( + [cogl-gles2], + [AC_HELP_STRING([--enable-cogl-gles2=@<:@no/yes@:>@], + [Enable libcogl-gles2 frontend api for OpenGL-ES 2.0 @<:@default=auto@:>@])], + [], + [ + AS_IF([test "x$HAVE_GLES2" = "x1"], + [enable_cogl_gles2=yes], + [enable_cogl_gles2=no]) + ] +) +AS_IF([test "x$enable_cogl_gles2" = "xyes"], + [ + AS_IF([test "x$HAVE_GLES2" != "x1"], + [ + AC_MSG_ERROR([libcogl-gles2 is currently only supported on systems with a native GLES 2.0 library]) + ]) + ]) +AM_CONDITIONAL([BUILD_COGL_GLES2], [test "x$enable_cogl_gles2" = "xyes"]) + + +dnl ======================================================== +dnl Check window system integration libraries... +dnl ======================================================== + +AC_ARG_ENABLE( + [glx], + [AC_HELP_STRING([--enable-glx=@<:@no/yes@:>@], [Enable support GLX @<:@default=auto@:>@])], + [], + [AS_IF([test "x$ALLOW_GLX" = "xyes"], [enable_glx=yes], [enable_glx=no])] +) +AS_IF([test "x$enable_glx" = "xyes"], + [ + AS_IF([test "x$ALLOW_GLX" != "xyes"], + [AC_MSG_ERROR([GLX not supported with this configuration])]) + + NEED_XLIB=yes + SUPPORT_GLX=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS glx" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_GLX_SUPPORT" + ]) +AM_CONDITIONAL(SUPPORT_GLX, [test "x$SUPPORT_GLX" = "xyes"]) + +AC_ARG_ENABLE( + [wgl], + [AC_HELP_STRING([--enable-wgl=@<:@no/yes@:>@], [Enable support for WGL @<:@default=auto@:>@])], + [], + [AS_IF([test "x$ALLOW_WGL" = "xyes"], [enable_wgl=yes], [enable_wgl=no])] +) +AS_IF([test "x$enable_wgl" = "xyes"], + [ + AS_IF([test "x$ALLOW_WGL" != "xyes"], + [AC_MSG_ERROR([WGL not supported with this configuration])]) + + SUPPORT_WGL=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS wgl" + + AC_DEFINE([COGL_HAS_WGL_SUPPORT], [1], [Cogl supports OpenGL using the WGL API]) + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_WIN32_SUPPORT" + ]) +AM_CONDITIONAL(SUPPORT_WGL, [test "x$SUPPORT_WGL" = "xyes"]) + +AC_ARG_ENABLE( + [sdl], + [AC_HELP_STRING([--enable-sdl=@<:@no/yes@:>@], [Enable support SDL @<:@default=no@:>@])], + [], + [enable_sdl=no]) +AS_IF([test "x$enable_sdl" = "xyes"], + [ + AS_IF([test "x$enable_emscripten" = "xno"], + [ + PKG_CHECK_MODULES([SDL], + [sdl], + [ + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES sdl" + ], + [ + AC_CHECK_HEADER([SDL/SDL.h], + [], + [AC_MSG_ERROR([SDL support requested but SDL not found])]) + ]) + ]) + + SUPPORT_SDL=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS sdl" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_SDL_SUPPORT" + + dnl If we are building with emscripten then that simply implies we are + dnl using SDL in conjunction with WebGL (GLES2) + AS_IF([test "x$enable_emscripten" = "xyes"], + [ + SUPPORTED_SDL_GL_APIS="webgl" + SUPPORT_SDL_WEBGL=yes + SUPPORT_SDL_GLES=no + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_SDL_WEBGL_SUPPORT" + ], + [ + dnl WebOS has a specially patched version of SDL to add + dnl support for creating a GLES1/2 context. This tries to + dnl detect that patch so we can use it if the GLES2 driver is + dnl selected. + cogl_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $SDL_CFLAGS" + AC_CHECK_DECL([SDL_OPENGLES], + [SUPPORT_SDL_GLES=yes], + [SUPPORT_SDL_GLES=no], + [#include ]) + AC_CHECK_DECL([SDL_GL_CONTEXT_MAJOR_VERSION], [], [SUPPORT_SDL_GLES=no], + [#include ]) + AC_CHECK_DECL([SDL_GL_CONTEXT_MINOR_VERSION], [], [SUPPORT_SDL_GLES=no], + [#include ]) + CPPFLAGS="$cogl_save_CPPFLAGS" + + AS_IF([test "x$SUPPORT_SDL_GLES" = "xyes"], + [ + SUPPORTED_SDL_GL_APIS="gles1 gles2" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_SDL_GLES_SUPPORT" + ], + [ SUPPORTED_SDL_GL_APIS="gl" ]) + ]) + ], + [SUPPORT_SDL=no]) +AM_CONDITIONAL(SUPPORT_SDL, [test "x$SUPPORT_SDL" = "xyes"]) + +AC_ARG_ENABLE( + [sdl2], + [AC_HELP_STRING([--enable-sdl2=@<:@no/yes@:>@], [Enable SDL2 support @<:@default=no@:>@])], + [], + [enable_sdl2=no]) +AS_IF([test "x$enable_sdl2" = "xyes"], + [ + PKG_CHECK_MODULES([SDL2], + [sdl2], + [], + [AC_MSG_ERROR([SDL2 support requested but SDL2 not found])]) + + SUPPORT_SDL2=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS sdl2" + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES sdl2" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_SDL_SUPPORT" + ], + [SUPPORT_SDL2=no]) +AM_CONDITIONAL(SUPPORT_SDL2, [test "x$SUPPORT_SDL2" = "xyes"]) + +AS_IF([test "x$SUPPORT_SDL2" = "xyes" -a "x$SUPPORT_SDL" = "xyes"], + [AC_MSG_ERROR([The SDL1 and SDL2 winsyses are currently mutually exclusive])]) + +EGL_PLATFORM_COUNT=0 + +AC_ARG_ENABLE( + [null-egl-platform], + [AC_HELP_STRING([--enable-null-egl-platform=@<:@no/yes@:>@], [Enable support for the NULL egl platform @<:@default=no@:>@])], + [], + enable_null_egl_platform=no +) +AS_IF([test "x$enable_null_egl_platform" = "xyes"], + [ + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS null" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_POWERVR_NULL_SUPPORT" + ]) +AM_CONDITIONAL(SUPPORT_EGL_PLATFORM_POWERVR_NULL, + [test "x$enable_null_egl_platform" = "xyes"]) + +AC_ARG_ENABLE( + [gdl-egl-platform], + [AC_HELP_STRING([--enable-gdl-egl-platform=@<:@no/yes@:>@], [Enable support for the GDL egl platform @<:@default=no@:>@])], + [], + enable_gdl_egl_platform=no +) +AS_IF([test "x$enable_gdl_egl_platform" = "xyes"], + [ + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS gdl" + + AC_CHECK_HEADERS( + [libgdl.h], + [], + [ + AC_CHECK_HEADERS( + [CE4100/libgdl.h], + [ + COGL_EXTRA_CFLAGS="$COGL_EXTRA_CFLAGS -I/usr/include/CE4100" + ], + [AC_MSG_ERROR([libgdl.h not found])]) + ]) + + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -lgdl" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_GDL_SUPPORT" + ]) +AM_CONDITIONAL(SUPPORT_EGL_PLATFORM_GDL, + [test "x$enable_gdl_egl_platform" = "xyes"]) + +AC_ARG_ENABLE( + [wayland-egl-platform], + [AC_HELP_STRING([--enable-wayland-egl-platform=@<:@no/yes@:>@], [Enable support for the Wayland egl platform @<:@default=no@:>@])], + [], + enable_wayland_egl_platform=no +) +AS_IF([test "x$enable_wayland_egl_platform" = "xyes"], + [ + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS wayland" + + PKG_CHECK_MODULES(WAYLAND_CLIENT, + [wayland-egl >= wayland_req_version wayland-client >= wayland_req_version]) + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES wayland-egl >= wayland_req_version" + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES wayland-client >= wayland_req_version" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT" + ]) +AM_CONDITIONAL(SUPPORT_EGL_PLATFORM_WAYLAND, + [test "x$enable_wayland_egl_platform" = "xyes"]) + + +AC_ARG_ENABLE( + [kms-egl-platform], + [AC_HELP_STRING([--enable-kms-egl-platform=@<:@no/yes@:>@], [Enable support for the KMS egl platform @<:@default=no@:>@])], + [], + enable_kms_egl_platform=no +) +AS_IF([test "x$enable_kms_egl_platform" = "xyes"], + [ + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS kms" + + PKG_CHECK_EXISTS([gbm], + [ + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES gbm" + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES libdrm" + ], + [AC_MSG_ERROR([Unable to locate required libgbm library for the KMS egl platform])]) + + GBM_VERSION=`$PKG_CONFIG --modversion gbm` + GBM_MAJOR=`echo $GBM_VERSION | cut -d'.' -f1` + GBM_MINOR=`echo $GBM_VERSION | cut -d'.' -f2` + GBM_MICRO=`echo $GBM_VERSION | cut -d'.' -f3 | sed 's/-.*//'` + + AC_DEFINE_UNQUOTED([COGL_GBM_MAJOR], [$GBM_MAJOR], [The major version for libgbm]) + AC_DEFINE_UNQUOTED([COGL_GBM_MINOR], [$GBM_MINOR], [The minor version for libgbm]) + AC_DEFINE_UNQUOTED([COGL_GBM_MICRO], [$GBM_MICRO], [The micro version for libgbm]) + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_KMS_SUPPORT" + ]) +AM_CONDITIONAL(SUPPORT_EGL_PLATFORM_KMS, + [test "x$enable_kms_egl_platform" = "xyes"]) + +AC_ARG_ENABLE( + [wayland-egl-server], + [AC_HELP_STRING([--enable-wayland-egl-server=@<:@no/yes@:>@], [Enable server side wayland support @<:@default=no@:>@])], + [], + enable_wayland_egl_server=no +) +AS_IF([test "x$enable_wayland_egl_server" = "xyes"], + [ + NEED_EGL=yes + + PKG_CHECK_MODULES(WAYLAND_SERVER, + [wayland-server >= wayland_server_req_version]) + COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES wayland-server >= wayland_server_req_version" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT" + ]) +AM_CONDITIONAL(SUPPORT_WAYLAND_EGL_SERVER, + [test "x$enable_wayland_egl_server" = "xyes"]) + +dnl Android EGL platform +AC_ARG_ENABLE( + [android-egl-platform], + [AC_HELP_STRING([--enable-android-egl-platform=@<:@no/yes@:>@], [Enable support for the Android egl platform @<:@default=no@:>@])], + [], + enable_android_egl_platform=no +) +AS_IF([test "x$enable_android_egl_platform" = "xyes"], + [ + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + EGL_PLATFORMS="$EGL_PLATFORMS android" + + AC_CHECK_HEADER([android/native_window.h], + [], + [AC_MSG_ERROR([Unable to locate android/native_window.h])]) + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_ANDROID_SUPPORT" + ]) +AM_CONDITIONAL(SUPPORT_EGL_PLATFORM_ANDROID, + [test "x$enable_android_egl_platform" = "xyes"]) + +dnl This should go last, since it's the default fallback and we need +dnl to check the value of $EGL_PLATFORM_COUNT here. +AC_ARG_ENABLE( + [xlib-egl-platform], + [AC_HELP_STRING([--enable-xlib-egl-platform=@<:@no/yes@:>@], [Enable support for the Xlib egl platform @<:@default=auto@:>@])], + [], + AS_IF([test "x$enable_gles1" = "xyes" -o \ + "x$enable_gles2" = "xyes" && \ + test "x$SUPPORT_SDL_GLES" != "xyes" && \ + test "x$SUPPORT_SDL_WEBGL" != "xyes" && \ + test "x$SUPPORT_SDL2" != "xyes" && \ + test $EGL_PLATFORM_COUNT -eq 0], + [enable_xlib_egl_platform=yes], [enable_xlib_egl_platform=no]) +) +AS_IF([test "x$enable_xlib_egl_platform" = "xyes"], + [ + EGL_PLATFORM_COUNT=$((EGL_PLATFORM_COUNT+1)) + NEED_EGL=yes + NEED_XLIB=yes + EGL_PLATFORMS="$EGL_PLATFORMS xlib" + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_XLIB_SUPPORT" + ]) +AM_CONDITIONAL(SUPPORT_EGL_PLATFORM_XLIB, + [test "x$enable_xlib_egl_platform" = "xyes"]) + +AS_IF([test "x$NEED_EGL" = "xyes" && test "x$EGL_CHECKED" != "xyes"], + [ + PKG_CHECK_EXISTS([egl], + [COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES egl"], + [ + AC_CHECK_HEADERS( + [EGL/egl.h], + [], + [AC_MSG_ERROR([Unable to locate required EGL headers])]) + AC_CHECK_HEADERS( + [EGL/eglext.h], + [], + [AC_MSG_ERROR([Unable to locate required EGL headers])], + [#include ]) + + AC_CHECK_LIB(EGL, [eglInitialize], + [COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -lEGL"], + [AC_MSG_ERROR([Unable to locate required EGL library])]) + + COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -lEGL" + ] + ) + + COGL_EGL_INCLUDES="#include +#include " + AC_SUBST([COGL_EGL_INCLUDES]) + ]) + +AS_IF([test "x$NEED_EGL" = "xyes"], + [ + SUPPORT_EGL=yes + GL_WINSYS_APIS="$GL_WINSYS_APIS egl" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_SUPPORT" + ]) + +AM_CONDITIONAL(SUPPORT_EGL, [test "x$SUPPORT_EGL" = "xyes"]) + +dnl ======================================================== +dnl Check X11 dependencies if required +dnl ======================================================== +AS_IF([test "x$NEED_XLIB" = "xyes"], + [ + X11_MODULES="x11 xext xfixes >= xfixes_req_version xdamage xcomposite >= xcomposite_req_version xrandr >= xrandr_req_version" + PKG_CHECK_MODULES(DUMMY, [$X11_MODULES], + [COGL_PKG_REQUIRES="$COGL_PKG_REQUIRES $X11_MODULES"]) + SUPPORT_X11=yes + SUPPORT_XLIB=yes + + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_X11" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_X11_SUPPORT" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_XLIB" + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_XLIB_SUPPORT" + ]) + +AM_CONDITIONAL(X11_TESTS, [test "x$SUPPORT_X11" = "xyes"]) +AM_CONDITIONAL(SUPPORT_X11, [test "x$SUPPORT_X11" = "xyes"]) +AM_CONDITIONAL(SUPPORT_XLIB, [test "x$SUPPORT_XLIB" = "xyes"]) + +dnl ================================================================ +dnl Documentation stuff. +dnl ================================================================ +# gtkdocize greps for ^GTK_DOC_CHECK and parses it, so you need to have +# it on it's own line. +m4_ifdef([GTK_DOC_CHECK], [ +GTK_DOC_CHECK([gtk_doc_req_version], [--flavour no-tmpl]) +]) +AM_CONDITIONAL([BUILD_GTK_DOC], [test "x$enable_gtk_doc" = "xyes"]) + +GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`" +GDKPIXBUF_PREFIX="`$PKG_CONFIG --variable=prefix gdk-pixbuf-2.0`" +AC_SUBST(GLIB_PREFIX) +AC_SUBST(GDKPIXBUF_PREFIX) + +dnl ================================================================ +dnl I18n stuff. +dnl ================================================================ +AM_GNU_GETTEXT_VERSION([0.17]) +AM_GNU_GETTEXT([external]) + +GETTEXT_PACKAGE="cogl" +AC_SUBST(GETTEXT_PACKAGE) +AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, + "$GETTEXT_PACKAGE", + [The prefix for our gettext translation domains.]) +AS_ALL_LINGUAS + + +AC_SUBST(COGL_PKG_REQUIRES) +if test -n "$COGL_PKG_REQUIRES"; then + PKG_CHECK_MODULES(COGL_DEP, [$COGL_PKG_REQUIRES]) + + if test -n "$COGL_PKG_REQUIRES_GL"; then + PKG_CHECK_MODULES(COGL_DEP_GL, [$COGL_PKG_REQUIRES_GL]) + + dnl Strip out the GL libraries from the GL pkg-config files so we can + dnl dynamically load them instead + gl_libs="" + for x in $COGL_DEP_GL_LIBS; do + AS_CASE([$x], + [-lGL], [], + [-lGLESv2], [], + [-lGLESv1_CM], [], + [*], [gl_libs="$gl_libs $x"]) + done + COGL_DEP_CFLAGS="$COGL_DEP_CFLAGS $COGL_DEP_CFLAGS_GL" + COGL_DEP_LIBS="$COGL_DEP_LIBS $gl_libs" + fi +fi +AC_SUBST(COGL_PANGO_PKG_REQUIRES) + +AS_IF([test "x$enable_cogl_pango" = "xyes"], + [PKG_CHECK_MODULES(COGL_PANGO_DEP, [$COGL_PANGO_PKG_REQUIRES])] +) +AM_CONDITIONAL([BUILD_COGL_PANGO], [test "x$enable_cogl_pango" = "xyes"]) + +AM_CONDITIONAL([BUILD_COGL_PATH], [test "x$enable_cogl_path" = "xyes"]) + +AC_SUBST(COGL_GST_PKG_REQUIRES) + +AS_IF([test "x$enable_cogl_gst" = "xyes"], + [PKG_CHECK_MODULES(COGL_GST_DEP, [$COGL_GST_PKG_REQUIRES])] +) +AM_CONDITIONAL([BUILD_COGL_GST], [test "x$enable_cogl_gst" = "xyes"]) + + + +dnl ================================================================ +dnl Misc program dependencies. +dnl ================================================================ +AC_PROG_INSTALL + +dnl ================================================================ +dnl GObject-Introspection check +dnl ================================================================ +AS_IF([test "x$enable_glib" = "xyes"], + [ + GOBJECT_INTROSPECTION_CHECK([gi_req_version]) + ], + [ + enable_introspection="no" + AM_CONDITIONAL([HAVE_INTROSPECTION], 0) + ] +) + +dnl ================================================================ +dnl Checks for header files. +dnl ================================================================ +AC_PATH_X +AC_HEADER_STDC +AC_CHECK_HEADERS(fcntl.h limits.h unistd.h) +AC_CHECK_HEADER([endian.h], + [AC_CHECK_DECL([__FLOAT_WORD_ORDER], + AC_DEFINE([HAVE_FLOAT_WORD_ORDER], [1], + [Has the __FLOAT_WORD_ORDER macro]))]) + +dnl ================================================================ +dnl Checks for library functions. +dnl ================================================================ + +dnl The 'ffs' function is part of C99 so it isn't always +dnl available. Cogl has a fallback if needed. +dnl +dnl XXX: ffs isnt available with the emscripten toolchain currently +dnl but the check passes so we manually skip the check in this case +AS_IF([test "x$enable_emscripten" = "xno"], + [AC_CHECK_FUNCS([ffs])]) + +dnl 'memmem' is a GNU extension but we have a simple fallback +AC_CHECK_FUNCS([memmem]) + +dnl This is used in the cogl-gles2-gears example but it is a GNU extension +save_libs="$LIBS" +LIBS="$LIBS $LIBM" +AC_CHECK_FUNCS([sincos]) +LIBS="$save_libs" + +dnl ================================================================ +dnl Platform values +dnl ================================================================ + +dnl These are values from system headers that we want to copy into the +dnl public Cogl headers without having to include the system header +dnl +dnl XXX: poll(2) can't currently be used with emscripten even though +dnl poll.h is in the toolchain headers so we manually skip the check +dnl in this case +have_poll_h=no +AS_IF([test "x$enable_emscripten" = "xno"], + [ + AC_CHECK_HEADER(poll.h, + [ + AC_COMPUTE_INT(COGL_SYSDEF_POLLIN, POLLIN, [#include ], + AC_MSG_ERROR([Unable to get value of POLLIN])) + AC_COMPUTE_INT(COGL_SYSDEF_POLLPRI, POLLPRI, [#include ], + AC_MSG_ERROR([Unable to get value of POLLPRI])) + AC_COMPUTE_INT(COGL_SYSDEF_POLLOUT, POLLOUT, [#include ], + AC_MSG_ERROR([Unable to get value of POLLOUT])) + AC_COMPUTE_INT(COGL_SYSDEF_POLLERR, POLLERR, [#include ], + AC_MSG_ERROR([Unable to get value of POLLERR])) + AC_COMPUTE_INT(COGL_SYSDEF_POLLHUP, POLLHUP, [#include ], + AC_MSG_ERROR([Unable to get value of POLLHUP])) + AC_COMPUTE_INT(COGL_SYSDEF_POLLNVAL, POLLNVAL, [#include ], + AC_MSG_ERROR([Unable to get value of POLLNVAL])) + COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_POLL_SUPPORT" + have_poll_h=yes + ]) + ]) + +AS_IF([test "x$have_poll_h" = "xno"], + [ + COGL_SYSDEF_POLLIN=1 + COGL_SYSDEF_POLLPRI=2 + COGL_SYSDEF_POLLOUT=4 + COGL_SYSDEF_POLLERR=8 + COGL_SYSDEF_POLLHUP=16 + COGL_SYSDEF_POLLNVAL=32 + ]) + +COGL_DEFINES_EXTRA="$COGL_DEFINES_EXTRA +#define COGL_SYSDEF_POLLIN $COGL_SYSDEF_POLLIN +#define COGL_SYSDEF_POLLPRI $COGL_SYSDEF_POLLPRI +#define COGL_SYSDEF_POLLOUT $COGL_SYSDEF_POLLOUT +#define COGL_SYSDEF_POLLERR $COGL_SYSDEF_POLLERR +#define COGL_SYSDEF_POLLHUP $COGL_SYSDEF_POLLHUP +#define COGL_SYSDEF_POLLNVAL $COGL_SYSDEF_POLLNVAL +" + +dnl ================================================================ +dnl What needs to be substituted in other files +dnl ================================================================ +COGL_DEFINES="$COGL_DEFINES_EXTRA" +for x in $COGL_DEFINES_SYMBOLS; do + COGL_DEFINES="$COGL_DEFINES +#define $x 1" +done; +AC_SUBST(COGL_DEFINES) +AM_SUBST_NOTMAKE(COGL_DEFINES) + +AS_IF([test "x$cogl_gl_headers" = "x"], + [AC_MSG_ERROR([Internal error: no GL header set])]) +dnl cogl_gl_headers is a space separate list of headers to +dnl include. We'll now convert them to a single variable with a +dnl #include line for each header +COGL_GL_HEADER_INCLUDES="" +for x in $cogl_gl_headers; do + COGL_GL_HEADER_INCLUDES="$COGL_GL_HEADER_INCLUDES +#include <$x>" +done; +AC_SUBST(COGL_GL_HEADER_INCLUDES) +AM_SUBST_NOTMAKE(COGL_GL_HEADER_INCLUDES) + +AC_DEFINE([COGL_ENABLE_EXPERIMENTAL_2_0_API], [1], + [Can use Cogl 2.0 API internally]) +AC_DEFINE([COGL_ENABLE_EXPERIMENTAL_API], [1], + [Can use experimental API internally]) + +AC_SUBST(COGL_DEP_CFLAGS) +AC_SUBST(COGL_DEP_LIBS) +AC_SUBST(COGL_PANGO_DEP_CFLAGS) +AC_SUBST(COGL_PANGO_DEP_LIBS) +AC_SUBST(COGL_GST_DEP_CFLAGS) +AC_SUBST(COGL_GST_DEP_LIBS) +AC_SUBST(COGL_EXTRA_CFLAGS) +AC_SUBST(COGL_EXTRA_LDFLAGS) + +# just for compatability with the clutter build... +MAINTAINER_CFLAGS= +AC_SUBST(MAINTAINER_CFLAGS) + +AC_OUTPUT( +Makefile +README +config.h.win32 +build/Makefile +build/win32/Makefile +build/win32/vs9/Makefile +build/win32/vs10/Makefile +deps/Makefile +deps/glib/Makefile +deps/gmodule/Makefile +deps/gmodule/gmoduleconf.h +test-fixtures/Makefile +cogl/Makefile +cogl/cogl-1.0.pc +cogl/cogl-2.0-experimental.pc +cogl/cogl-defines.h +cogl/cogl-defines.h.win32 +cogl/cogl-defines.h.win32_SDL +cogl/cogl-gl-header.h +cogl/cogl-egl-defines.h +cogl/cogl.rc +cogl-pango/Makefile +cogl-pango/cogl-pango-1.0.pc +cogl-pango/cogl-pango-2.0-experimental.pc +cogl-pango/cogl-pango.rc +cogl-path/Makefile +cogl-path/cogl-path-1.0.pc +cogl-path/cogl-path-2.0-experimental.pc +cogl-gst/Makefile +cogl-gst/cogl-gst-1.0.pc +cogl-gst/cogl-gst-2.0-experimental.pc +cogl-gles2/Makefile +cogl-gles2/cogl-gles2-1.0.pc +cogl-gles2/cogl-gles2-2.0-experimental.pc +doc/Makefile +doc/reference/Makefile +doc/reference/cogl/Makefile +doc/reference/cogl/cogl-docs.xml +doc/reference/cogl-2.0-experimental/Makefile +doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml +doc/reference/cogl-gst/Makefile +doc/reference/cogl-gst/cogl-gst-docs.xml +examples/Makefile +tests/Makefile +tests/config.env +tests/conform/Makefile +tests/unit/Makefile +tests/micro-perf/Makefile +tests/data/Makefile +po/Makefile.in +) + +dnl ================================================================ +dnl Dah Da! +dnl ================================================================ +echo "" +echo "Cogl - $COGL_1_VERSION/$COGL_VERSION (${COGL_RELEASE_STATUS})" + +# Global flags +echo "" +echo " • Global:" +echo " Prefix: ${prefix}" +if test "x$COGL_DEFAULT_DRIVER" != "x"; then +echo " Default driver: ${COGL_DEFAULT_DRIVER}" +fi + +echo "" +# Features +echo " • Features:" +echo " Drivers: ${enabled_drivers}" +AS_IF([test "x$GL_LIBRARY_DIRECTLY_LINKED" != xyes], + [for driver in $enabled_drivers; do + driver=`echo $driver | tr "[gles]" "[GLES]"` + libname=`eval echo \\$COGL_${driver}_LIBNAME` + echo " Library name for $driver: $libname" + done]) +echo " GL Window System APIs:${GL_WINSYS_APIS}" +if test "x$SUPPORT_EGL" = "xyes"; then +echo " EGL Platforms:${EGL_PLATFORMS}" +echo " Wayland compositor support: ${enable_wayland_egl_server}" +fi +if test "x$SUPPORT_SDL" = "xyes"; then +echo " Supported SDL GL APIs: ${SUPPORTED_SDL_GL_APIS}" +fi +echo " Building for emscripten environment: $enable_emscripten" +echo " Build libcogl-gles2 GLES 2.0 frontend api: ${enable_cogl_gles2}" +echo " Image backend: ${COGL_IMAGE_BACKEND}" +echo " Cogl Pango: ${enable_cogl_pango}" +echo " Cogl Gstreamer: ${enable_cogl_gst}" +echo " Cogl Path: ${enable_cogl_path}" + +# Compiler/Debug related flags +echo "" +echo " • Build options:" +echo " Debugging: ${enable_debug}" +echo " Profiling: ${enable_profile}" +echo " Enable deprecated symbols: ${enable_deprecated}" +echo " Compiler flags: ${CFLAGS} ${COGL_EXTRA_CFLAGS}" +echo " Linker flags: ${LDFLAGS} ${COGL_EXTRA_LDFLAGS}" + +# Miscellaneous +echo "" +echo " • Extra:" +echo " Build API reference: ${enable_gtk_doc}" +echo " Build introspection data: ${enable_introspection}" +echo " Build unit tests: ${enable_unit_tests}" +echo " Enable internationalization: ${USE_NLS}" + +echo "" + +# General warning about experimental features +if test "x$EXPERIMENTAL_CONFIG" = "xyes"; 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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN +WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY +AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU +FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR +CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE +LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING +RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A +FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF +SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH +DAMAGES. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Libraries + + If you develop a new library, and you want it to be of the greatest +possible use to the public, we recommend making it free software that +everyone can redistribute and change. You can do so by permitting +redistribution under these terms (or, alternatively, under the terms of the +ordinary General Public License). + + To apply these terms, attach the following notices to the library. It is +safest to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least the +"copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the + Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307 USA. + +Also add information on how to contact you by electronic and paper mail. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the library, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! diff --git a/deps/glib/Makefile.am b/deps/glib/Makefile.am new file mode 100644 index 0000000..9a4544f --- /dev/null +++ b/deps/glib/Makefile.am @@ -0,0 +1,75 @@ + +noinst_LTLIBRARIES = libglib.la + +libglib_la_CPPFLAGS = \ + -I$(top_srcdir) \ + -I$(top_srcdir)/deps \ + -Wall \ + $(NULL) + +libglib_la_SOURCES = \ + galloca.h \ + garray.c \ + garray.h \ + gatomic.c \ + gatomic.h \ + gbacktrace.h \ + gbitlock.c \ + gbitlock.h \ + gconvert.c \ + gconvert.h \ + gdatasetprivate.h \ + gdataset.c \ + gdataset.h \ + gdebug.h \ + gerror.c \ + gerror.h \ + gfileutils.c \ + gfileutils.h \ + ghash.c \ + ghash.h \ + ghook.c \ + ghook.h \ + gi18n-lib.h \ + glibintl.h \ + glib.h \ + glib-object.h \ + glib_trace.h \ + glist.c \ + glist.h \ + gmacros.h \ + gmain.c \ + gmain.h \ + gmem.c \ + gmem.h \ + gmessages.c \ + gmessages.h \ + gprintf.c \ + gprintf.h \ + gprintfint.h \ + gqsort.c \ + gqsort.h \ + gquark.h \ + gqueue.c \ + gqueue.h \ + gslice.c \ + gslice.h \ + gslist.c \ + gslist.h \ + gstdio.c \ + gstdio.h \ + gstrfuncs.c \ + gstrfuncs.h \ + gstring.c \ + gstring.h \ + gtestutils.c \ + gtestutils.h \ + gthread.c \ + gthread.h \ + gtypes.h \ + gunicode.h \ + gutils.c \ + gutils.h \ + $(NULL) + +EXTRA_DIST = README diff --git a/deps/glib/Makefile.in b/deps/glib/Makefile.in new file mode 100644 index 0000000..bf7cae9 --- /dev/null +++ b/deps/glib/Makefile.in @@ -0,0 +1,991 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/deps/glib/README b/deps/glib/README new file mode 100644 index 0000000..312dbaf --- /dev/null +++ b/deps/glib/README @@ -0,0 +1,14 @@ +These are files striped from glib 2.30.2 to build a standalone cogl. A few +changes were done on those imported files: + +- the needed functions in gconvert.[ch] have been stubbed (don't want any of the + charset conversions in error messages in standalone mode, +- gmain.c has been stipped to only have the one used function + (g_get_current_time()), +- gtestutils.c has also being stripped down to what cogl uses to reduce what it + pulls in, +- gmessage.c has seen the charset conversions and invalid unicode caracters + escaping stripped. +- charset conversion in error messages has been removed in gstrfuncs.c +- g_string_append_uri_escaped() has been removed from gstrinc.c +- remove g_get_codeset() from gutils.c diff --git a/deps/glib/galloca.h b/deps/glib/galloca.h new file mode 100644 index 0000000..8876836 --- /dev/null +++ b/deps/glib/galloca.h @@ -0,0 +1,110 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_ALLOCA_H__ +#define __G_ALLOCA_H__ + +#include + +#ifdef __GNUC__ +/* GCC does the right thing */ +# undef alloca +# define alloca(size) __builtin_alloca (size) +#elif defined (GLIB_HAVE_ALLOCA_H) +/* a native and working alloca.h is there */ +# include +#else /* !__GNUC__ && !GLIB_HAVE_ALLOCA_H */ +# if defined(_MSC_VER) || defined(__DMC__) +# include +# define alloca _alloca +# else /* !_MSC_VER && !__DMC__ */ +# ifdef _AIX +# pragma alloca +# else /* !_AIX */ +# ifndef alloca /* predefined by HP cc +Olibcalls */ +G_BEGIN_DECLS +char *alloca (); +G_END_DECLS +# endif /* !alloca */ +# endif /* !_AIX */ +# endif /* !_MSC_VER && !__DMC__ */ +#endif /* !__GNUC__ && !GLIB_HAVE_ALLOCA_H */ + +/** + * g_alloca: + * @size: number of bytes to allocate. + * + * Allocates @size bytes on the stack; these bytes will be freed when the current + * stack frame is cleaned up. This macro essentially just wraps the alloca() + * function present on most UNIX variants. + * Thus it provides the same advantages and pitfalls as alloca(): + * + * + * + alloca() is very fast, as on most systems it's implemented by just adjusting + * the stack pointer register. + * + * + * + It doesn't cause any memory fragmentation, within its scope, separate alloca() + * blocks just build up and are released together at function end. + * + * + * - Allocation sizes have to fit into the current stack frame. For instance in a + * threaded environment on Linux, the per-thread stack size is limited to 2 Megabytes, + * so be sparse with alloca() uses. + * + * + * - Allocation failure due to insufficient stack space is not indicated with a %NULL + * return like e.g. with malloc(). Instead, most systems probably handle it the same + * way as out of stack space situations from infinite function recursion, i.e. + * with a segmentation fault. + * + * + * - Special care has to be taken when mixing alloca() with GNU C variable sized arrays. + * Stack space allocated with alloca() in the same scope as a variable sized array + * will be freed together with the variable sized array upon exit of that scope, and + * not upon exit of the enclosing function scope. + * + * + * + * Returns: space for @size bytes, allocated on the stack + */ +#define g_alloca(size) alloca (size) +/** + * g_newa: + * @struct_type: Type of memory chunks to be allocated + * @n_structs: Number of chunks to be allocated + * + * Wraps g_alloca() in a more typesafe manner. + * + * Returns: Pointer to stack space for @n_structs chunks of type @struct_type + */ +#define g_newa(struct_type, n_structs) ((struct_type*) g_alloca (sizeof (struct_type) * (gsize) (n_structs))) + +#endif /* __G_ALLOCA_H__ */ diff --git a/deps/glib/garray.c b/deps/glib/garray.c new file mode 100644 index 0000000..c3d07f2 --- /dev/null +++ b/deps/glib/garray.c @@ -0,0 +1,1624 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" + +#include +#include + +#include "garray.h" + +#include "gmem.h" +#include "gatomic.h" +#include "gmessages.h" +#include "gqsort.h" + + +/** + * SECTION:arrays + * @title: Arrays + * @short_description: arrays of arbitrary elements which grow + * automatically as elements are added + * + * Arrays are similar to standard C arrays, except that they grow + * automatically as elements are added. + * + * Array elements can be of any size (though all elements of one array + * are the same size), and the array can be automatically cleared to + * '0's and zero-terminated. + * + * To create a new array use g_array_new(). + * + * To add elements to an array, use g_array_append_val(), + * g_array_append_vals(), g_array_prepend_val(), and + * g_array_prepend_vals(). + * + * To access an element of an array, use g_array_index(). + * + * To set the size of an array, use g_array_set_size(). + * + * To free an array, use g_array_free(). + * + * + * Using a #GArray to store #gint values + * + * GArray *garray; + * gint i; + * /* We create a new array to store gint values. + * We don't want it zero-terminated or cleared to 0's. */ + * garray = g_array_new (FALSE, FALSE, sizeof (gint)); + * for (i = 0; i < 10000; i++) + * g_array_append_val (garray, i); + * for (i = 0; i < 10000; i++) + * if (g_array_index (garray, gint, i) != i) + * g_print ("ERROR: got %d instead of %d\n", + * g_array_index (garray, gint, i), i); + * g_array_free (garray, TRUE); + * + * + **/ + +#define MIN_ARRAY_SIZE 16 + +typedef struct _GRealArray GRealArray; + +/** + * GArray: + * @data: a pointer to the element data. The data may be moved as + * elements are added to the #GArray. + * @len: the number of elements in the #GArray not including the + * possible terminating zero element. + * + * Contains the public fields of an Array. + **/ +struct _GRealArray +{ + guint8 *data; + guint len; + guint alloc; + guint elt_size; + guint zero_terminated : 1; + guint clear : 1; + gint ref_count; +}; + +/** + * g_array_index: + * @a: a #GArray. + * @t: the type of the elements. + * @i: the index of the element to return. + * @Returns: the element of the #GArray at the index given by @i. + * + * Returns the element of a #GArray at the given index. The return + * value is cast to the given type. + * + * + * Getting a pointer to an element in a #GArray + * + * EDayViewEvent *event; + * /* This gets a pointer to the 4th element + * in the array of EDayViewEvent structs. */ + * event = &g_array_index (events, EDayViewEvent, 3); + * + * + **/ + +#define g_array_elt_len(array,i) ((array)->elt_size * (i)) +#define g_array_elt_pos(array,i) ((array)->data + g_array_elt_len((array),(i))) +#define g_array_elt_zero(array, pos, len) \ + (memset (g_array_elt_pos ((array), pos), 0, g_array_elt_len ((array), len))) +#define g_array_zero_terminate(array) G_STMT_START{ \ + if ((array)->zero_terminated) \ + g_array_elt_zero ((array), (array)->len, 1); \ +}G_STMT_END + +static guint g_nearest_pow (gint num) G_GNUC_CONST; +static void g_array_maybe_expand (GRealArray *array, + gint len); + +/** + * g_array_new: + * @zero_terminated: %TRUE if the array should have an extra element at + * the end which is set to 0. + * @clear_: %TRUE if #GArray elements should be automatically cleared + * to 0 when they are allocated. + * @element_size: the size of each element in bytes. + * @Returns: the new #GArray. + * + * Creates a new #GArray with a reference count of 1. + **/ +GArray* +g_array_new (gboolean zero_terminated, + gboolean clear, + guint elt_size) +{ + return (GArray*) g_array_sized_new (zero_terminated, clear, elt_size, 0); +} + +/** + * g_array_sized_new: + * @zero_terminated: %TRUE if the array should have an extra element at + * the end with all bits cleared. + * @clear_: %TRUE if all bits in the array should be cleared to 0 on + * allocation. + * @element_size: size of each element in the array. + * @reserved_size: number of elements preallocated. + * @Returns: the new #GArray. + * + * Creates a new #GArray with @reserved_size elements preallocated and + * a reference count of 1. This avoids frequent reallocation, if you + * are going to add many elements to the array. Note however that the + * size of the array is still 0. + **/ +GArray* g_array_sized_new (gboolean zero_terminated, + gboolean clear, + guint elt_size, + guint reserved_size) +{ + GRealArray *array = g_slice_new (GRealArray); + + array->data = NULL; + array->len = 0; + array->alloc = 0; + array->zero_terminated = (zero_terminated ? 1 : 0); + array->clear = (clear ? 1 : 0); + array->elt_size = elt_size; + array->ref_count = 1; + + if (array->zero_terminated || reserved_size != 0) + { + g_array_maybe_expand (array, reserved_size); + g_array_zero_terminate(array); + } + + return (GArray*) array; +} + +/** + * g_array_ref: + * @array: A #GArray. + * + * Atomically increments the reference count of @array by one. This + * function is MT-safe and may be called from any thread. + * + * Returns: The passed in #GArray. + * + * Since: 2.22 + **/ +GArray * +g_array_ref (GArray *array) +{ + GRealArray *rarray = (GRealArray*) array; + g_return_val_if_fail (array, NULL); + + g_atomic_int_inc (&rarray->ref_count); + + return array; +} + +/** + * g_array_unref: + * @array: A #GArray. + * + * Atomically decrements the reference count of @array by one. If the + * reference count drops to 0, all memory allocated by the array is + * released. This function is MT-safe and may be called from any + * thread. + * + * Since: 2.22 + **/ +void +g_array_unref (GArray *array) +{ + GRealArray *rarray = (GRealArray*) array; + g_return_if_fail (array); + + if (g_atomic_int_dec_and_test (&rarray->ref_count)) + g_array_free (array, TRUE); +} + +/** + * g_array_get_element_size: + * @array: A #GArray. + * + * Gets the size of the elements in @array. + * + * Returns: Size of each element, in bytes. + * + * Since: 2.22 + **/ +guint +g_array_get_element_size (GArray *array) +{ + GRealArray *rarray = (GRealArray*) array; + + g_return_val_if_fail (array, 0); + + return rarray->elt_size; +} + +/** + * g_array_free: + * @array: a #GArray. + * @free_segment: if %TRUE the actual element data is freed as well. + * @Returns: the element data if @free_segment is %FALSE, otherwise + * %NULL. The element data should be freed using g_free(). + * + * Frees the memory allocated for the #GArray. If @free_segment is + * %TRUE it frees the memory block holding the elements as well and + * also each element if @array has a @element_free_func set. Pass + * %FALSE if you want to free the #GArray wrapper but preserve the + * underlying array for use elsewhere. If the reference count of @array + * is greater than one, the #GArray wrapper is preserved but the size + * of @array will be set to zero. + * + * If array elements contain dynamically-allocated memory, + * they should be freed separately. + **/ +gchar* +g_array_free (GArray *farray, + gboolean free_segment) +{ + GRealArray *array = (GRealArray*) farray; + gchar* segment; + gboolean preserve_wrapper; + + g_return_val_if_fail (array, NULL); + + /* if others are holding a reference, preserve the wrapper but do free/return the data */ + preserve_wrapper = FALSE; + if (g_atomic_int_get (&array->ref_count) > 1) + preserve_wrapper = TRUE; + + if (free_segment) + { + g_free (array->data); + segment = NULL; + } + else + segment = (gchar*) array->data; + + if (preserve_wrapper) + { + array->data = NULL; + array->len = 0; + array->alloc = 0; + } + else + { + g_slice_free1 (sizeof (GRealArray), array); + } + + return segment; +} + +/** + * g_array_append_vals: + * @array: a #GArray. + * @data: a pointer to the elements to append to the end of the array. + * @len: the number of elements to append. + * @Returns: the #GArray. + * + * Adds @len elements onto the end of the array. + **/ +/** + * g_array_append_val: + * @a: a #GArray. + * @v: the value to append to the #GArray. + * @Returns: the #GArray. + * + * Adds the value on to the end of the array. The array will grow in + * size automatically if necessary. + * + * g_array_append_val() is a macro which uses a reference + * to the value parameter @v. This means that you cannot use it with + * literal values such as "27". You must use variables. + **/ +GArray* +g_array_append_vals (GArray *farray, + gconstpointer data, + guint len) +{ + GRealArray *array = (GRealArray*) farray; + + g_return_val_if_fail (array, NULL); + + g_array_maybe_expand (array, len); + + memcpy (g_array_elt_pos (array, array->len), data, + g_array_elt_len (array, len)); + + array->len += len; + + g_array_zero_terminate (array); + + return farray; +} + +/** + * g_array_prepend_vals: + * @array: a #GArray. + * @data: a pointer to the elements to prepend to the start of the + * array. + * @len: the number of elements to prepend. + * @Returns: the #GArray. + * + * Adds @len elements onto the start of the array. + * + * This operation is slower than g_array_append_vals() since the + * existing elements in the array have to be moved to make space for + * the new elements. + **/ +/** + * g_array_prepend_val: + * @a: a #GArray. + * @v: the value to prepend to the #GArray. + * @Returns: the #GArray. + * + * Adds the value on to the start of the array. The array will grow in + * size automatically if necessary. + * + * This operation is slower than g_array_append_val() since the + * existing elements in the array have to be moved to make space for + * the new element. + * + * g_array_prepend_val() is a macro which uses a reference + * to the value parameter @v. This means that you cannot use it with + * literal values such as "27". You must use variables. + **/ +GArray* +g_array_prepend_vals (GArray *farray, + gconstpointer data, + guint len) +{ + GRealArray *array = (GRealArray*) farray; + + g_return_val_if_fail (array, NULL); + + g_array_maybe_expand (array, len); + + g_memmove (g_array_elt_pos (array, len), g_array_elt_pos (array, 0), + g_array_elt_len (array, array->len)); + + memcpy (g_array_elt_pos (array, 0), data, g_array_elt_len (array, len)); + + array->len += len; + + g_array_zero_terminate (array); + + return farray; +} + +/** + * g_array_insert_vals: + * @array: a #GArray. + * @index_: the index to place the elements at. + * @data: a pointer to the elements to insert. + * @len: the number of elements to insert. + * @Returns: the #GArray. + * + * Inserts @len elements into a #GArray at the given index. + **/ +/** + * g_array_insert_val: + * @a: a #GArray. + * @i: the index to place the element at. + * @v: the value to insert into the array. + * @Returns: the #GArray. + * + * Inserts an element into an array at the given index. + * + * g_array_insert_val() is a macro which uses a reference + * to the value parameter @v. This means that you cannot use it with + * literal values such as "27". You must use variables. + **/ +GArray* +g_array_insert_vals (GArray *farray, + guint index_, + gconstpointer data, + guint len) +{ + GRealArray *array = (GRealArray*) farray; + + g_return_val_if_fail (array, NULL); + + g_array_maybe_expand (array, len); + + g_memmove (g_array_elt_pos (array, len + index_), + g_array_elt_pos (array, index_), + g_array_elt_len (array, array->len - index_)); + + memcpy (g_array_elt_pos (array, index_), data, g_array_elt_len (array, len)); + + array->len += len; + + g_array_zero_terminate (array); + + return farray; +} + +/** + * g_array_set_size: + * @array: a #GArray. + * @length: the new size of the #GArray. + * @Returns: the #GArray. + * + * Sets the size of the array, expanding it if necessary. If the array + * was created with @clear_ set to %TRUE, the new elements are set to 0. + **/ +GArray* +g_array_set_size (GArray *farray, + guint length) +{ + GRealArray *array = (GRealArray*) farray; + + g_return_val_if_fail (array, NULL); + + if (length > array->len) + { + g_array_maybe_expand (array, length - array->len); + + if (array->clear) + g_array_elt_zero (array, array->len, length - array->len); + } + else if (G_UNLIKELY (g_mem_gc_friendly) && length < array->len) + g_array_elt_zero (array, length, array->len - length); + + array->len = length; + + g_array_zero_terminate (array); + + return farray; +} + +/** + * g_array_remove_index: + * @array: a #GArray. + * @index_: the index of the element to remove. + * @Returns: the #GArray. + * + * Removes the element at the given index from a #GArray. The following + * elements are moved down one place. + **/ +GArray* +g_array_remove_index (GArray *farray, + guint index_) +{ + GRealArray* array = (GRealArray*) farray; + + g_return_val_if_fail (array, NULL); + + g_return_val_if_fail (index_ < array->len, NULL); + + if (index_ != array->len - 1) + g_memmove (g_array_elt_pos (array, index_), + g_array_elt_pos (array, index_ + 1), + g_array_elt_len (array, array->len - index_ - 1)); + + array->len -= 1; + + if (G_UNLIKELY (g_mem_gc_friendly)) + g_array_elt_zero (array, array->len, 1); + else + g_array_zero_terminate (array); + + return farray; +} + +/** + * g_array_remove_index_fast: + * @array: a @GArray. + * @index_: the index of the element to remove. + * @Returns: the #GArray. + * + * Removes the element at the given index from a #GArray. The last + * element in the array is used to fill in the space, so this function + * does not preserve the order of the #GArray. But it is faster than + * g_array_remove_index(). + **/ +GArray* +g_array_remove_index_fast (GArray *farray, + guint index_) +{ + GRealArray* array = (GRealArray*) farray; + + g_return_val_if_fail (array, NULL); + + g_return_val_if_fail (index_ < array->len, NULL); + + if (index_ != array->len - 1) + memcpy (g_array_elt_pos (array, index_), + g_array_elt_pos (array, array->len - 1), + g_array_elt_len (array, 1)); + + array->len -= 1; + + if (G_UNLIKELY (g_mem_gc_friendly)) + g_array_elt_zero (array, array->len, 1); + else + g_array_zero_terminate (array); + + return farray; +} + +/** + * g_array_remove_range: + * @array: a @GArray. + * @index_: the index of the first element to remove. + * @length: the number of elements to remove. + * @Returns: the #GArray. + * + * Removes the given number of elements starting at the given index + * from a #GArray. The following elements are moved to close the gap. + * + * Since: 2.4 + **/ +GArray* +g_array_remove_range (GArray *farray, + guint index_, + guint length) +{ + GRealArray *array = (GRealArray*) farray; + + g_return_val_if_fail (array, NULL); + g_return_val_if_fail (index_ < array->len, NULL); + g_return_val_if_fail (index_ + length <= array->len, NULL); + + if (index_ + length != array->len) + g_memmove (g_array_elt_pos (array, index_), + g_array_elt_pos (array, index_ + length), + (array->len - (index_ + length)) * array->elt_size); + + array->len -= length; + if (G_UNLIKELY (g_mem_gc_friendly)) + g_array_elt_zero (array, array->len, length); + else + g_array_zero_terminate (array); + + return farray; +} + +/** + * g_array_sort: + * @array: a #GArray. + * @compare_func: comparison function. + * + * Sorts a #GArray using @compare_func which should be a qsort()-style + * comparison function (returns less than zero for first arg is less + * than second arg, zero for equal, greater zero if first arg is + * greater than second arg). + * + * If two array elements compare equal, their order in the sorted array + * is undefined. If you want equal elements to keep their order – i.e. + * you want a stable sort – you can write a comparison function that, + * if two elements would otherwise compare equal, compares them by + * their addresses. + **/ +void +g_array_sort (GArray *farray, + GCompareFunc compare_func) +{ + GRealArray *array = (GRealArray*) farray; + + g_return_if_fail (array != NULL); + + qsort (array->data, + array->len, + array->elt_size, + compare_func); +} + +/** + * g_array_sort_with_data: + * @array: a #GArray. + * @compare_func: comparison function. + * @user_data: data to pass to @compare_func. + * + * Like g_array_sort(), but the comparison function receives an extra + * user data argument. + **/ +void +g_array_sort_with_data (GArray *farray, + GCompareDataFunc compare_func, + gpointer user_data) +{ + GRealArray *array = (GRealArray*) farray; + + g_return_if_fail (array != NULL); + + g_qsort_with_data (array->data, + array->len, + array->elt_size, + compare_func, + user_data); +} + +/* Returns the smallest power of 2 greater than n, or n if + * such power does not fit in a guint + */ +static guint +g_nearest_pow (gint num) +{ + guint n = 1; + + while (n < num && n > 0) + n <<= 1; + + return n ? n : num; +} + +static void +g_array_maybe_expand (GRealArray *array, + gint len) +{ + guint want_alloc = g_array_elt_len (array, array->len + len + + array->zero_terminated); + + if (want_alloc > array->alloc) + { + want_alloc = g_nearest_pow (want_alloc); + want_alloc = MAX (want_alloc, MIN_ARRAY_SIZE); + + array->data = g_realloc (array->data, want_alloc); + + if (G_UNLIKELY (g_mem_gc_friendly)) + memset (array->data + array->alloc, 0, want_alloc - array->alloc); + + array->alloc = want_alloc; + } +} + +/** + * SECTION:arrays_pointer + * @title: Pointer Arrays + * @short_description: arrays of pointers to any type of data, which + * grow automatically as new elements are added + * + * Pointer Arrays are similar to Arrays but are used only for storing + * pointers. + * + * If you remove elements from the array, elements at the + * end of the array are moved into the space previously occupied by the + * removed element. This means that you should not rely on the index of + * particular elements remaining the same. You should also be careful + * when deleting elements while iterating over the array. + * + * To create a pointer array, use g_ptr_array_new(). + * + * To add elements to a pointer array, use g_ptr_array_add(). + * + * To remove elements from a pointer array, use g_ptr_array_remove(), + * g_ptr_array_remove_index() or g_ptr_array_remove_index_fast(). + * + * To access an element of a pointer array, use g_ptr_array_index(). + * + * To set the size of a pointer array, use g_ptr_array_set_size(). + * + * To free a pointer array, use g_ptr_array_free(). + * + * + * Using a #GPtrArray + * + * GPtrArray *gparray; + * gchar *string1 = "one", *string2 = "two", *string3 = "three"; + * + * gparray = g_ptr_array_new (); + * g_ptr_array_add (gparray, (gpointer) string1); + * g_ptr_array_add (gparray, (gpointer) string2); + * g_ptr_array_add (gparray, (gpointer) string3); + * + * if (g_ptr_array_index (gparray, 0) != (gpointer) string1) + * g_print ("ERROR: got %p instead of %p\n", + * g_ptr_array_index (gparray, 0), string1); + * + * g_ptr_array_free (gparray, TRUE); + * + * + **/ + +typedef struct _GRealPtrArray GRealPtrArray; + +/** + * GPtrArray: + * @pdata: points to the array of pointers, which may be moved when the + * array grows. + * @len: number of pointers in the array. + * + * Contains the public fields of a pointer array. + **/ +struct _GRealPtrArray +{ + gpointer *pdata; + guint len; + guint alloc; + gint ref_count; + GDestroyNotify element_free_func; +}; + +/** + * g_ptr_array_index: + * @array: a #GPtrArray. + * @index_: the index of the pointer to return. + * @Returns: the pointer at the given index. + * + * Returns the pointer at the given index of the pointer array. + **/ + +static void g_ptr_array_maybe_expand (GRealPtrArray *array, + gint len); + +/** + * g_ptr_array_new: + * @Returns: the new #GPtrArray. + * + * Creates a new #GPtrArray with a reference count of 1. + **/ +GPtrArray* +g_ptr_array_new (void) +{ + return g_ptr_array_sized_new (0); +} + +/** + * g_ptr_array_sized_new: + * @reserved_size: number of pointers preallocated. + * @Returns: the new #GPtrArray. + * + * Creates a new #GPtrArray with @reserved_size pointers preallocated + * and a reference count of 1. This avoids frequent reallocation, if + * you are going to add many pointers to the array. Note however that + * the size of the array is still 0. + **/ +GPtrArray* +g_ptr_array_sized_new (guint reserved_size) +{ + GRealPtrArray *array = g_slice_new (GRealPtrArray); + + array->pdata = NULL; + array->len = 0; + array->alloc = 0; + array->ref_count = 1; + array->element_free_func = NULL; + + if (reserved_size != 0) + g_ptr_array_maybe_expand (array, reserved_size); + + return (GPtrArray*) array; +} + +/** + * g_ptr_array_new_with_free_func: + * @element_free_func: A function to free elements with destroy @array or %NULL. + * + * Creates a new #GPtrArray with a reference count of 1 and use @element_free_func + * for freeing each element when the array is destroyed either via + * g_ptr_array_unref(), when g_ptr_array_free() is called with @free_segment + * set to %TRUE or when removing elements. + * + * Returns: A new #GPtrArray. + * + * Since: 2.22 + **/ +GPtrArray * +g_ptr_array_new_with_free_func (GDestroyNotify element_free_func) +{ + GPtrArray *array; + + array = g_ptr_array_new (); + g_ptr_array_set_free_func (array, element_free_func); + return array; +} + +/** + * g_ptr_array_new_full: + * @reserved_size: number of pointers preallocated. + * @element_free_func: A function to free elements with destroy @array or %NULL. + * + * Creates a new #GPtrArray with @reserved_size pointers preallocated + * and a reference count of 1. This avoids frequent reallocation, if + * you are going to add many pointers to the array. Note however that + * the size of the array is still 0. It also set @element_free_func + * for freeing each element when the array is destroyed either via + * g_ptr_array_unref(), when g_ptr_array_free() is called with @free_segment + * set to %TRUE or when removing elements. + * + * Returns: A new #GPtrArray. + * + * Since: 2.30 + **/ +GPtrArray * +g_ptr_array_new_full (guint reserved_size, + GDestroyNotify element_free_func) +{ + GPtrArray *array; + + array = g_ptr_array_sized_new (reserved_size); + g_ptr_array_set_free_func (array, element_free_func); + return array; +} + +/** + * g_ptr_array_set_free_func: + * @array: A #GPtrArray. + * @element_free_func: A function to free elements with destroy @array or %NULL. + * + * Sets a function for freeing each element when @array is destroyed + * either via g_ptr_array_unref(), when g_ptr_array_free() is called + * with @free_segment set to %TRUE or when removing elements. + * + * Since: 2.22 + **/ +void +g_ptr_array_set_free_func (GPtrArray *array, + GDestroyNotify element_free_func) +{ + GRealPtrArray* rarray = (GRealPtrArray*) array; + + g_return_if_fail (array); + + rarray->element_free_func = element_free_func; +} + +/** + * g_ptr_array_ref: + * @array: A #GArray. + * + * Atomically increments the reference count of @array by one. This + * function is MT-safe and may be called from any thread. + * + * Returns: The passed in #GPtrArray. + * + * Since: 2.22 + **/ +GPtrArray * +g_ptr_array_ref (GPtrArray *array) +{ + GRealPtrArray *rarray = (GRealPtrArray*) array; + + g_return_val_if_fail (array, NULL); + + g_atomic_int_inc (&rarray->ref_count); + + return array; +} + +/** + * g_ptr_array_unref: + * @array: A #GPtrArray. + * + * Atomically decrements the reference count of @array by one. If the + * reference count drops to 0, the effect is the same as calling + * g_ptr_array_free() with @free_segment set to %TRUE. This function + * is MT-safe and may be called from any thread. + * + * Since: 2.22 + **/ +void +g_ptr_array_unref (GPtrArray *array) +{ + GRealPtrArray *rarray = (GRealPtrArray*) array; + g_return_if_fail (array); + + if (g_atomic_int_dec_and_test (&rarray->ref_count)) + g_ptr_array_free (array, TRUE); +} + +/** + * g_ptr_array_free: + * @array: a #GPtrArray. + * @free_seg: if %TRUE the actual pointer array is freed as well. + * @Returns: the pointer array if @free_seg is %FALSE, otherwise %NULL. + * The pointer array should be freed using g_free(). + * + * Frees the memory allocated for the #GPtrArray. If @free_seg is %TRUE + * it frees the memory block holding the elements as well. Pass %FALSE + * if you want to free the #GPtrArray wrapper but preserve the + * underlying array for use elsewhere. If the reference count of @array + * is greater than one, the #GPtrArray wrapper is preserved but the + * size of @array will be set to zero. + * + * If array contents point to dynamically-allocated + * memory, they should be freed separately if @free_seg is %TRUE and no + * #GDestroyNotify function has been set for @array. + **/ +gpointer* +g_ptr_array_free (GPtrArray *farray, + gboolean free_segment) +{ + GRealPtrArray *array = (GRealPtrArray*) farray; + gpointer* segment; + gboolean preserve_wrapper; + + g_return_val_if_fail (array, NULL); + + /* if others are holding a reference, preserve the wrapper but do free/return the data */ + preserve_wrapper = FALSE; + if (g_atomic_int_get (&array->ref_count) > 1) + preserve_wrapper = TRUE; + + if (free_segment) + { + if (array->element_free_func != NULL) + g_ptr_array_foreach (farray, (GFunc) array->element_free_func, NULL); + g_free (array->pdata); + segment = NULL; + } + else + segment = array->pdata; + + if (preserve_wrapper) + { + array->pdata = NULL; + array->len = 0; + array->alloc = 0; + } + else + { + g_slice_free1 (sizeof (GRealPtrArray), array); + } + + return segment; +} + +static void +g_ptr_array_maybe_expand (GRealPtrArray *array, + gint len) +{ + if ((array->len + len) > array->alloc) + { + guint old_alloc = array->alloc; + array->alloc = g_nearest_pow (array->len + len); + array->alloc = MAX (array->alloc, MIN_ARRAY_SIZE); + array->pdata = g_realloc (array->pdata, sizeof (gpointer) * array->alloc); + if (G_UNLIKELY (g_mem_gc_friendly)) + for ( ; old_alloc < array->alloc; old_alloc++) + array->pdata [old_alloc] = NULL; + } +} + +/** + * g_ptr_array_set_size: + * @array: a #GPtrArray. + * @length: the new length of the pointer array. + * + * Sets the size of the array. When making the array larger, + * newly-added elements will be set to %NULL. When making it smaller, + * if @array has a non-%NULL #GDestroyNotify function then it will be + * called for the removed elements. + **/ +void +g_ptr_array_set_size (GPtrArray *farray, + gint length) +{ + GRealPtrArray* array = (GRealPtrArray*) farray; + + g_return_if_fail (array); + + if (length > array->len) + { + int i; + g_ptr_array_maybe_expand (array, (length - array->len)); + /* This is not + * memset (array->pdata + array->len, 0, + * sizeof (gpointer) * (length - array->len)); + * to make it really portable. Remember (void*)NULL needn't be + * bitwise zero. It of course is silly not to use memset (..,0,..). + */ + for (i = array->len; i < length; i++) + array->pdata[i] = NULL; + } + else if (length < array->len) + g_ptr_array_remove_range (farray, length, array->len - length); + + array->len = length; +} + +/** + * g_ptr_array_remove_index: + * @array: a #GPtrArray. + * @index_: the index of the pointer to remove. + * @Returns: the pointer which was removed. + * + * Removes the pointer at the given index from the pointer array. The + * following elements are moved down one place. If @array has a + * non-%NULL #GDestroyNotify function it is called for the removed + * element. + **/ +gpointer +g_ptr_array_remove_index (GPtrArray *farray, + guint index_) +{ + GRealPtrArray* array = (GRealPtrArray*) farray; + gpointer result; + + g_return_val_if_fail (array, NULL); + + g_return_val_if_fail (index_ < array->len, NULL); + + result = array->pdata[index_]; + + if (array->element_free_func != NULL) + array->element_free_func (array->pdata[index_]); + + if (index_ != array->len - 1) + g_memmove (array->pdata + index_, array->pdata + index_ + 1, + sizeof (gpointer) * (array->len - index_ - 1)); + + array->len -= 1; + + if (G_UNLIKELY (g_mem_gc_friendly)) + array->pdata[array->len] = NULL; + + return result; +} + +/** + * g_ptr_array_remove_index_fast: + * @array: a #GPtrArray. + * @index_: the index of the pointer to remove. + * @Returns: the pointer which was removed. + * + * Removes the pointer at the given index from the pointer array. The + * last element in the array is used to fill in the space, so this + * function does not preserve the order of the array. But it is faster + * than g_ptr_array_remove_index(). If @array has a non-%NULL + * #GDestroyNotify function it is called for the removed element. + **/ +gpointer +g_ptr_array_remove_index_fast (GPtrArray *farray, + guint index_) +{ + GRealPtrArray* array = (GRealPtrArray*) farray; + gpointer result; + + g_return_val_if_fail (array, NULL); + + g_return_val_if_fail (index_ < array->len, NULL); + + result = array->pdata[index_]; + + if (array->element_free_func != NULL) + array->element_free_func (array->pdata[index_]); + + if (index_ != array->len - 1) + array->pdata[index_] = array->pdata[array->len - 1]; + + array->len -= 1; + + if (G_UNLIKELY (g_mem_gc_friendly)) + array->pdata[array->len] = NULL; + + return result; +} + +/** + * g_ptr_array_remove_range: + * @array: a @GPtrArray. + * @index_: the index of the first pointer to remove. + * @length: the number of pointers to remove. + * + * Removes the given number of pointers starting at the given index + * from a #GPtrArray. The following elements are moved to close the + * gap. If @array has a non-%NULL #GDestroyNotify function it is called + * for the removed elements. + * + * Since: 2.4 + **/ +void +g_ptr_array_remove_range (GPtrArray *farray, + guint index_, + guint length) +{ + GRealPtrArray* array = (GRealPtrArray*) farray; + guint n; + + g_return_if_fail (array); + g_return_if_fail (index_ < array->len); + g_return_if_fail (index_ + length <= array->len); + + if (array->element_free_func != NULL) + { + for (n = index_; n < index_ + length; n++) + array->element_free_func (array->pdata[n]); + } + + if (index_ + length != array->len) + { + g_memmove (&array->pdata[index_], + &array->pdata[index_ + length], + (array->len - (index_ + length)) * sizeof (gpointer)); + } + + array->len -= length; + if (G_UNLIKELY (g_mem_gc_friendly)) + { + guint i; + for (i = 0; i < length; i++) + array->pdata[array->len + i] = NULL; + } +} + +/** + * g_ptr_array_remove: + * @array: a #GPtrArray. + * @data: the pointer to remove. + * @Returns: %TRUE if the pointer is removed. %FALSE if the pointer is + * not found in the array. + * + * Removes the first occurrence of the given pointer from the pointer + * array. The following elements are moved down one place. If @array + * has a non-%NULL #GDestroyNotify function it is called for the + * removed element. + * + * It returns %TRUE if the pointer was removed, or %FALSE if the + * pointer was not found. + **/ +gboolean +g_ptr_array_remove (GPtrArray *farray, + gpointer data) +{ + GRealPtrArray* array = (GRealPtrArray*) farray; + guint i; + + g_return_val_if_fail (array, FALSE); + + for (i = 0; i < array->len; i += 1) + { + if (array->pdata[i] == data) + { + g_ptr_array_remove_index (farray, i); + return TRUE; + } + } + + return FALSE; +} + +/** + * g_ptr_array_remove_fast: + * @array: a #GPtrArray. + * @data: the pointer to remove. + * @Returns: %TRUE if the pointer was found in the array. + * + * Removes the first occurrence of the given pointer from the pointer + * array. The last element in the array is used to fill in the space, + * so this function does not preserve the order of the array. But it is + * faster than g_ptr_array_remove(). If @array has a non-%NULL + * #GDestroyNotify function it is called for the removed element. + * + * It returns %TRUE if the pointer was removed, or %FALSE if the + * pointer was not found. + **/ +gboolean +g_ptr_array_remove_fast (GPtrArray *farray, + gpointer data) +{ + GRealPtrArray* array = (GRealPtrArray*) farray; + guint i; + + g_return_val_if_fail (array, FALSE); + + for (i = 0; i < array->len; i += 1) + { + if (array->pdata[i] == data) + { + g_ptr_array_remove_index_fast (farray, i); + return TRUE; + } + } + + return FALSE; +} + +/** + * g_ptr_array_add: + * @array: a #GPtrArray. + * @data: the pointer to add. + * + * Adds a pointer to the end of the pointer array. The array will grow + * in size automatically if necessary. + **/ +void +g_ptr_array_add (GPtrArray *farray, + gpointer data) +{ + GRealPtrArray* array = (GRealPtrArray*) farray; + + g_return_if_fail (array); + + g_ptr_array_maybe_expand (array, 1); + + array->pdata[array->len++] = data; +} + +/** + * g_ptr_array_sort: + * @array: a #GPtrArray. + * @compare_func: comparison function. + * + * Sorts the array, using @compare_func which should be a qsort()-style + * comparison function (returns less than zero for first arg is less + * than second arg, zero for equal, greater than zero if irst arg is + * greater than second arg). + * + * If two array elements compare equal, their order in the sorted array + * is undefined. If you want equal elements to keep their order – i.e. + * you want a stable sort – you can write a comparison function that, + * if two elements would otherwise compare equal, compares them by + * their addresses. + * + * The comparison function for g_ptr_array_sort() doesn't + * take the pointers from the array as arguments, it takes pointers to + * the pointers in the array. + **/ +void +g_ptr_array_sort (GPtrArray *array, + GCompareFunc compare_func) +{ + g_return_if_fail (array != NULL); + + qsort (array->pdata, + array->len, + sizeof (gpointer), + compare_func); +} + +/** + * g_ptr_array_sort_with_data: + * @array: a #GPtrArray. + * @compare_func: comparison function. + * @user_data: data to pass to @compare_func. + * + * Like g_ptr_array_sort(), but the comparison function has an extra + * user data argument. + * + * The comparison function for g_ptr_array_sort_with_data() + * doesn't take the pointers from the array as arguments, it takes + * pointers to the pointers in the array. + **/ +void +g_ptr_array_sort_with_data (GPtrArray *array, + GCompareDataFunc compare_func, + gpointer user_data) +{ + g_return_if_fail (array != NULL); + + g_qsort_with_data (array->pdata, + array->len, + sizeof (gpointer), + compare_func, + user_data); +} + +/** + * g_ptr_array_foreach: + * @array: a #GPtrArray + * @func: the function to call for each array element + * @user_data: user data to pass to the function + * + * Calls a function for each element of a #GPtrArray. + * + * Since: 2.4 + **/ +void +g_ptr_array_foreach (GPtrArray *array, + GFunc func, + gpointer user_data) +{ + guint i; + + g_return_if_fail (array); + + for (i = 0; i < array->len; i++) + (*func) (array->pdata[i], user_data); +} + +/** + * SECTION:arrays_byte + * @title: Byte Arrays + * @short_description: arrays of bytes, which grow automatically as + * elements are added + * + * #GByteArray is based on #GArray, to provide arrays of bytes which + * grow automatically as elements are added. + * + * To create a new #GByteArray use g_byte_array_new(). + * + * To add elements to a #GByteArray, use g_byte_array_append(), and + * g_byte_array_prepend(). + * + * To set the size of a #GByteArray, use g_byte_array_set_size(). + * + * To free a #GByteArray, use g_byte_array_free(). + * + * + * Using a #GByteArray + * + * GByteArray *gbarray; + * gint i; + * + * gbarray = g_byte_array_new (); + * for (i = 0; i < 10000; i++) + * g_byte_array_append (gbarray, (guint8*) "abcd", 4); + * + * for (i = 0; i < 10000; i++) + * { + * g_assert (gbarray->data[4*i] == 'a'); + * g_assert (gbarray->data[4*i+1] == 'b'); + * g_assert (gbarray->data[4*i+2] == 'c'); + * g_assert (gbarray->data[4*i+3] == 'd'); + * } + * + * g_byte_array_free (gbarray, TRUE); + * + * + **/ + +/** + * GByteArray: + * @data: a pointer to the element data. The data may be moved as + * elements are added to the #GByteArray. + * @len: the number of elements in the #GByteArray. + * + * The GByteArray struct allows access to the + * public fields of a GByteArray. + **/ + +/** + * g_byte_array_new: + * @Returns: the new #GByteArray. + * + * Creates a new #GByteArray with a reference count of 1. + **/ +GByteArray* g_byte_array_new (void) +{ + return (GByteArray*) g_array_sized_new (FALSE, FALSE, 1, 0); +} + +/** + * g_byte_array_sized_new: + * @reserved_size: number of bytes preallocated. + * @Returns: the new #GByteArray. + * + * Creates a new #GByteArray with @reserved_size bytes preallocated. + * This avoids frequent reallocation, if you are going to add many + * bytes to the array. Note however that the size of the array is still + * 0. + **/ +GByteArray* g_byte_array_sized_new (guint reserved_size) +{ + return (GByteArray*) g_array_sized_new (FALSE, FALSE, 1, reserved_size); +} + +/** + * g_byte_array_free: + * @array: a #GByteArray. + * @free_segment: if %TRUE the actual byte data is freed as well. + * @Returns: the element data if @free_segment is %FALSE, otherwise + * %NULL. The element data should be freed using g_free(). + * + * Frees the memory allocated by the #GByteArray. If @free_segment is + * %TRUE it frees the actual byte data. If the reference count of + * @array is greater than one, the #GByteArray wrapper is preserved but + * the size of @array will be set to zero. + **/ +guint8* g_byte_array_free (GByteArray *array, + gboolean free_segment) +{ + return (guint8*) g_array_free ((GArray*) array, free_segment); +} + +/** + * g_byte_array_ref: + * @array: A #GByteArray. + * + * Atomically increments the reference count of @array by one. This + * function is MT-safe and may be called from any thread. + * + * Returns: The passed in #GByteArray. + * + * Since: 2.22 + **/ +GByteArray * +g_byte_array_ref (GByteArray *array) +{ + return (GByteArray *) g_array_ref ((GArray *) array); +} + +/** + * g_byte_array_unref: + * @array: A #GByteArray. + * + * Atomically decrements the reference count of @array by one. If the + * reference count drops to 0, all memory allocated by the array is + * released. This function is MT-safe and may be called from any + * thread. + * + * Since: 2.22 + **/ +void +g_byte_array_unref (GByteArray *array) +{ + g_array_unref ((GArray *) array); +} + +/** + * g_byte_array_append: + * @array: a #GByteArray. + * @data: the byte data to be added. + * @len: the number of bytes to add. + * @Returns: the #GByteArray. + * + * Adds the given bytes to the end of the #GByteArray. The array will + * grow in size automatically if necessary. + **/ +GByteArray* g_byte_array_append (GByteArray *array, + const guint8 *data, + guint len) +{ + g_array_append_vals ((GArray*) array, (guint8*)data, len); + + return array; +} + +/** + * g_byte_array_prepend: + * @array: a #GByteArray. + * @data: the byte data to be added. + * @len: the number of bytes to add. + * @Returns: the #GByteArray. + * + * Adds the given data to the start of the #GByteArray. The array will + * grow in size automatically if necessary. + **/ +GByteArray* g_byte_array_prepend (GByteArray *array, + const guint8 *data, + guint len) +{ + g_array_prepend_vals ((GArray*) array, (guint8*)data, len); + + return array; +} + +/** + * g_byte_array_set_size: + * @array: a #GByteArray. + * @length: the new size of the #GByteArray. + * @Returns: the #GByteArray. + * + * Sets the size of the #GByteArray, expanding it if necessary. + **/ +GByteArray* g_byte_array_set_size (GByteArray *array, + guint length) +{ + g_array_set_size ((GArray*) array, length); + + return array; +} + +/** + * g_byte_array_remove_index: + * @array: a #GByteArray. + * @index_: the index of the byte to remove. + * @Returns: the #GByteArray. + * + * Removes the byte at the given index from a #GByteArray. The + * following bytes are moved down one place. + **/ +GByteArray* g_byte_array_remove_index (GByteArray *array, + guint index_) +{ + g_array_remove_index ((GArray*) array, index_); + + return array; +} + +/** + * g_byte_array_remove_index_fast: + * @array: a #GByteArray. + * @index_: the index of the byte to remove. + * @Returns: the #GByteArray. + * + * Removes the byte at the given index from a #GByteArray. The last + * element in the array is used to fill in the space, so this function + * does not preserve the order of the #GByteArray. But it is faster + * than g_byte_array_remove_index(). + **/ +GByteArray* g_byte_array_remove_index_fast (GByteArray *array, + guint index_) +{ + g_array_remove_index_fast ((GArray*) array, index_); + + return array; +} + +/** + * g_byte_array_remove_range: + * @array: a @GByteArray. + * @index_: the index of the first byte to remove. + * @length: the number of bytes to remove. + * @Returns: the #GByteArray. + * + * Removes the given number of bytes starting at the given index from a + * #GByteArray. The following elements are moved to close the gap. + * + * Since: 2.4 + **/ +GByteArray* +g_byte_array_remove_range (GByteArray *array, + guint index_, + guint length) +{ + g_return_val_if_fail (array, NULL); + g_return_val_if_fail (index_ < array->len, NULL); + g_return_val_if_fail (index_ + length <= array->len, NULL); + + return (GByteArray *)g_array_remove_range ((GArray*) array, index_, length); +} + +/** + * g_byte_array_sort: + * @array: a #GByteArray. + * @compare_func: comparison function. + * + * Sorts a byte array, using @compare_func which should be a + * qsort()-style comparison function (returns less than zero for first + * arg is less than second arg, zero for equal, greater than zero if + * first arg is greater than second arg). + * + * If two array elements compare equal, their order in the sorted array + * is undefined. If you want equal elements to keep their order – i.e. + * you want a stable sort – you can write a comparison function that, + * if two elements would otherwise compare equal, compares them by + * their addresses. + **/ +void +g_byte_array_sort (GByteArray *array, + GCompareFunc compare_func) +{ + g_array_sort ((GArray *) array, compare_func); +} + +/** + * g_byte_array_sort_with_data: + * @array: a #GByteArray. + * @compare_func: comparison function. + * @user_data: data to pass to @compare_func. + * + * Like g_byte_array_sort(), but the comparison function takes an extra + * user data argument. + **/ +void +g_byte_array_sort_with_data (GByteArray *array, + GCompareDataFunc compare_func, + gpointer user_data) +{ + g_array_sort_with_data ((GArray *) array, compare_func, user_data); +} diff --git a/deps/glib/garray.h b/deps/glib/garray.h new file mode 100644 index 0000000..8221806 --- /dev/null +++ b/deps/glib/garray.h @@ -0,0 +1,181 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_ARRAY_H__ +#define __G_ARRAY_H__ + +#include + +G_BEGIN_DECLS + +typedef struct _GArray GArray; +typedef struct _GByteArray GByteArray; +typedef struct _GPtrArray GPtrArray; + +struct _GArray +{ + gchar *data; + guint len; +}; + +struct _GByteArray +{ + guint8 *data; + guint len; +}; + +struct _GPtrArray +{ + gpointer *pdata; + guint len; +}; + +/* Resizable arrays. remove fills any cleared spot and shortens the + * array, while preserving the order. remove_fast will distort the + * order by moving the last element to the position of the removed. + */ + +#define g_array_append_val(a,v) g_array_append_vals (a, &(v), 1) +#define g_array_prepend_val(a,v) g_array_prepend_vals (a, &(v), 1) +#define g_array_insert_val(a,i,v) g_array_insert_vals (a, i, &(v), 1) +#define g_array_index(a,t,i) (((t*) (void *) (a)->data) [(i)]) + +GArray* g_array_new (gboolean zero_terminated, + gboolean clear_, + guint element_size); +GArray* g_array_sized_new (gboolean zero_terminated, + gboolean clear_, + guint element_size, + guint reserved_size); +gchar* g_array_free (GArray *array, + gboolean free_segment); +GArray *g_array_ref (GArray *array); +void g_array_unref (GArray *array); +guint g_array_get_element_size (GArray *array); +GArray* g_array_append_vals (GArray *array, + gconstpointer data, + guint len); +GArray* g_array_prepend_vals (GArray *array, + gconstpointer data, + guint len); +GArray* g_array_insert_vals (GArray *array, + guint index_, + gconstpointer data, + guint len); +GArray* g_array_set_size (GArray *array, + guint length); +GArray* g_array_remove_index (GArray *array, + guint index_); +GArray* g_array_remove_index_fast (GArray *array, + guint index_); +GArray* g_array_remove_range (GArray *array, + guint index_, + guint length); +void g_array_sort (GArray *array, + GCompareFunc compare_func); +void g_array_sort_with_data (GArray *array, + GCompareDataFunc compare_func, + gpointer user_data); + +/* Resizable pointer array. This interface is much less complicated + * than the above. Add appends a pointer. Remove fills any cleared + * spot and shortens the array. remove_fast will again distort order. + */ +#define g_ptr_array_index(array,index_) ((array)->pdata)[index_] +GPtrArray* g_ptr_array_new (void); +GPtrArray* g_ptr_array_new_with_free_func (GDestroyNotify element_free_func); +GPtrArray* g_ptr_array_sized_new (guint reserved_size); +GPtrArray* g_ptr_array_new_full (guint reserved_size, + GDestroyNotify element_free_func); +gpointer* g_ptr_array_free (GPtrArray *array, + gboolean free_seg); +GPtrArray* g_ptr_array_ref (GPtrArray *array); +void g_ptr_array_unref (GPtrArray *array); +void g_ptr_array_set_free_func (GPtrArray *array, + GDestroyNotify element_free_func); +void g_ptr_array_set_size (GPtrArray *array, + gint length); +gpointer g_ptr_array_remove_index (GPtrArray *array, + guint index_); +gpointer g_ptr_array_remove_index_fast (GPtrArray *array, + guint index_); +gboolean g_ptr_array_remove (GPtrArray *array, + gpointer data); +gboolean g_ptr_array_remove_fast (GPtrArray *array, + gpointer data); +void g_ptr_array_remove_range (GPtrArray *array, + guint index_, + guint length); +void g_ptr_array_add (GPtrArray *array, + gpointer data); +void g_ptr_array_sort (GPtrArray *array, + GCompareFunc compare_func); +void g_ptr_array_sort_with_data (GPtrArray *array, + GCompareDataFunc compare_func, + gpointer user_data); +void g_ptr_array_foreach (GPtrArray *array, + GFunc func, + gpointer user_data); + + +/* Byte arrays, an array of guint8. Implemented as a GArray, + * but type-safe. + */ + +GByteArray* g_byte_array_new (void); +GByteArray* g_byte_array_sized_new (guint reserved_size); +guint8* g_byte_array_free (GByteArray *array, + gboolean free_segment); +GByteArray *g_byte_array_ref (GByteArray *array); +void g_byte_array_unref (GByteArray *array); +GByteArray* g_byte_array_append (GByteArray *array, + const guint8 *data, + guint len); +GByteArray* g_byte_array_prepend (GByteArray *array, + const guint8 *data, + guint len); +GByteArray* g_byte_array_set_size (GByteArray *array, + guint length); +GByteArray* g_byte_array_remove_index (GByteArray *array, + guint index_); +GByteArray* g_byte_array_remove_index_fast (GByteArray *array, + guint index_); +GByteArray* g_byte_array_remove_range (GByteArray *array, + guint index_, + guint length); +void g_byte_array_sort (GByteArray *array, + GCompareFunc compare_func); +void g_byte_array_sort_with_data (GByteArray *array, + GCompareDataFunc compare_func, + gpointer user_data); + +G_END_DECLS + +#endif /* __G_ARRAY_H__ */ diff --git a/deps/glib/gatomic.c b/deps/glib/gatomic.c new file mode 100644 index 0000000..1e83f19 --- /dev/null +++ b/deps/glib/gatomic.c @@ -0,0 +1,848 @@ +/* + * Copyright © 2011 Ryan Lortie + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2 of the + * licence, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + * + * Author: Ryan Lortie + */ + +#include "config.h" + +#include "gatomic.h" + +/** + * SECTION:atomic_operations + * @title: Atomic Operations + * @short_description: basic atomic integer and pointer operations + * @see_also: #GMutex + * + * The following is a collection of compiler macros to provide atomic + * access to integer and pointer-sized values. + * + * The macros that have 'int' in the name will operate on pointers to + * #gint and #guint. The macros with 'pointer' in the name will operate + * on pointers to any pointer-sized value, including #gsize. There is + * no support for 64bit operations on platforms with 32bit pointers + * because it is not generally possible to perform these operations + * atomically. + * + * The get, set and exchange operations for integers and pointers + * nominally operate on #gint and #gpointer, respectively. Of the + * arithmetic operations, the 'add' operation operates on (and returns) + * signed integer values (#gint and #gssize) and the 'and', 'or', and + * 'xor' operations operate on (and return) unsigned integer values + * (#guint and #gsize). + * + * All of the operations act as a full compiler and (where appropriate) + * hardware memory barrier. Acquire and release or producer and + * consumer barrier semantics are not available through this API. + * + * On GCC, these macros are implemented using GCC intrinsic operations. + * On non-GCC compilers they will evaluate to function calls to + * functions implemented by GLib. + * + * If GLib itself was compiled with GCC then these functions will again + * be implemented by the GCC intrinsics. On Windows without GCC, the + * interlocked API is used to implement the functions. + * + * With non-GCC compilers on non-Windows systems, the functions are + * currently incapable of implementing true atomic operations -- + * instead, they fallback to holding a global lock while performing the + * operation. This provides atomicity between the threads of one + * process, but not between separate processes. For this reason, one + * should exercise caution when attempting to use these options on + * shared memory regions. + * + * It is very important that all accesses to a particular integer or + * pointer be performed using only this API and that different sizes of + * operation are not mixed or used on overlapping memory regions. Never + * read or assign directly from or to a value -- always use this API. + * + * For simple reference counting purposes you should use + * g_atomic_int_inc() and g_atomic_int_dec_and_test(). Other uses that + * fall outside of simple reference counting patterns are prone to + * subtle bugs and occasionally undefined behaviour. It is also worth + * noting that since all of these operations require global + * synchronisation of the entire machine, they can be quite slow. In + * the case of performing multiple atomic operations it can often be + * faster to simply acquire a mutex lock around the critical area, + * perform the operations normally and then release the lock. + **/ + +#ifdef G_ATOMIC_OP_USE_GCC_BUILTINS + +#ifndef __GNUC__ +#error Using GCC builtin atomic ops, but not compiling with GCC? +#endif + +/** + * g_atomic_int_get: + * @atomic: a pointer to a #gint or #guint + * + * Gets the current value of @atomic. + * + * This call acts as a full compiler and hardware + * memory barrier (before the get). + * + * Returns: the value of the integer + * + * Since: 2.4 + **/ +gint +(g_atomic_int_get) (volatile gint *atomic) +{ + return g_atomic_int_get (atomic); +} + +/** + * g_atomic_int_set: + * @atomic: a pointer to a #gint or #guint + * @newval: a new value to store + * + * Sets the value of @atomic to @newval. + * + * This call acts as a full compiler and hardware + * memory barrier (after the set). + * + * Since: 2.4 + */ +void +(g_atomic_int_set) (volatile gint *atomic, + gint newval) +{ + g_atomic_int_set (atomic, newval); +} + +/** + * g_atomic_int_inc: + * @atomic: a pointer to a #gint or #guint + * + * Increments the value of @atomic by 1. + * + * Think of this operation as an atomic version of + * { *@atomic += 1; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Since: 2.4 + **/ +void +(g_atomic_int_inc) (volatile gint *atomic) +{ + g_atomic_int_inc (atomic); +} + +/** + * g_atomic_int_dec_and_test: + * @atomic: a pointer to a #gint or #guint + * + * Decrements the value of @atomic by 1. + * + * Think of this operation as an atomic version of + * { *@atomic -= 1; return (*@atomic == 0); } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Returns: %TRUE if the resultant value is zero + * + * Since: 2.4 + **/ +gboolean +(g_atomic_int_dec_and_test) (volatile gint *atomic) +{ + return g_atomic_int_dec_and_test (atomic); +} + +/** + * g_atomic_int_compare_and_exchange: + * @atomic: a pointer to a #gint or #guint + * @oldval: the value to compare with + * @newval: the value to conditionally replace with + * + * Compares @atomic to @oldval and, if equal, sets it to @newval. + * If @atomic was not equal to @oldval then no change occurs. + * + * This compare and exchange is done atomically. + * + * Think of this operation as an atomic version of + * { if (*@atomic == @oldval) { *@atomic = @newval; return TRUE; } else return FALSE; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Returns: %TRUE if the exchange took place + * + * Since: 2.4 + **/ +gboolean +(g_atomic_int_compare_and_exchange) (volatile gint *atomic, + gint oldval, + gint newval) +{ + return g_atomic_int_compare_and_exchange (atomic, oldval, newval); +} + +/** + * g_atomic_int_add: + * @atomic: a pointer to a #gint or #guint + * @val: the value to add + * + * Atomically adds @val to the value of @atomic. + * + * Think of this operation as an atomic version of + * { tmp = *atomic; *@atomic += @val; return tmp; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Before version 2.30, this function did not return a value + * (but g_atomic_int_exchange_and_add() did, and had the same meaning). + * + * Returns: the value of @atomic before the add, signed + * + * Since: 2.4 + **/ +gint +(g_atomic_int_add) (volatile gint *atomic, + gint val) +{ + return g_atomic_int_add (atomic, val); +} + +/** + * g_atomic_int_and: + * @atomic: a pointer to a #gint or #guint + * @val: the value to 'and' + * + * Performs an atomic bitwise 'and' of the value of @atomic and @val, + * storing the result back in @atomic. + * + * This call acts as a full compiler and hardware memory barrier. + * + * Think of this operation as an atomic version of + * { tmp = *atomic; *@atomic &= @val; return tmp; } + * + * Returns: the value of @atomic before the operation, unsigned + * + * Since: 2.30 + **/ +guint +(g_atomic_int_and) (volatile guint *atomic, + guint val) +{ + return g_atomic_int_and (atomic, val); +} + +/** + * g_atomic_int_or: + * @atomic: a pointer to a #gint or #guint + * @val: the value to 'or' + * + * Performs an atomic bitwise 'or' of the value of @atomic and @val, + * storing the result back in @atomic. + * + * Think of this operation as an atomic version of + * { tmp = *atomic; *@atomic |= @val; return tmp; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Returns: the value of @atomic before the operation, unsigned + * + * Since: 2.30 + **/ +guint +(g_atomic_int_or) (volatile guint *atomic, + guint val) +{ + return g_atomic_int_or (atomic, val); +} + +/** + * g_atomic_int_xor: + * @atomic: a pointer to a #gint or #guint + * @val: the value to 'xor' + * + * Performs an atomic bitwise 'xor' of the value of @atomic and @val, + * storing the result back in @atomic. + * + * Think of this operation as an atomic version of + * { tmp = *atomic; *@atomic ^= @val; return tmp; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Returns: the value of @atomic before the operation, unsigned + * + * Since: 2.30 + **/ +guint +(g_atomic_int_xor) (volatile guint *atomic, + guint val) +{ + return g_atomic_int_xor (atomic, val); +} + + +/** + * g_atomic_pointer_get: + * @atomic: a pointer to a #gpointer-sized value + * + * Gets the current value of @atomic. + * + * This call acts as a full compiler and hardware + * memory barrier (before the get). + * + * Returns: the value of the pointer + * + * Since: 2.4 + **/ +gpointer +(g_atomic_pointer_get) (volatile void *atomic) +{ + return g_atomic_pointer_get ((volatile gpointer *) atomic); +} + +/** + * g_atomic_pointer_set: + * @atomic: a pointer to a #gpointer-sized value + * @newval: a new value to store + * + * Sets the value of @atomic to @newval. + * + * This call acts as a full compiler and hardware + * memory barrier (after the set). + * + * Since: 2.4 + **/ +void +(g_atomic_pointer_set) (volatile void *atomic, + gpointer newval) +{ + g_atomic_pointer_set ((volatile gpointer *) atomic, newval); +} + +/** + * g_atomic_pointer_compare_and_exchange: + * @atomic: a pointer to a #gpointer-sized value + * @oldval: the value to compare with + * @newval: the value to conditionally replace with + * + * Compares @atomic to @oldval and, if equal, sets it to @newval. + * If @atomic was not equal to @oldval then no change occurs. + * + * This compare and exchange is done atomically. + * + * Think of this operation as an atomic version of + * { if (*@atomic == @oldval) { *@atomic = @newval; return TRUE; } else return FALSE; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Returns: %TRUE if the exchange took place + * + * Since: 2.4 + **/ +gboolean +(g_atomic_pointer_compare_and_exchange) (volatile void *atomic, + gpointer oldval, + gpointer newval) +{ + return g_atomic_pointer_compare_and_exchange ((volatile gpointer *) atomic, + oldval, newval); +} + +/** + * g_atomic_pointer_add: + * @atomic: a pointer to a #gpointer-sized value + * @val: the value to add + * + * Atomically adds @val to the value of @atomic. + * + * Think of this operation as an atomic version of + * { tmp = *atomic; *@atomic += @val; return tmp; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Returns: the value of @atomic before the add, signed + * + * Since: 2.30 + **/ +gssize +(g_atomic_pointer_add) (volatile void *atomic, + gssize val) +{ + return g_atomic_pointer_add ((volatile gpointer *) atomic, val); +} + +/** + * g_atomic_pointer_and: + * @atomic: a pointer to a #gpointer-sized value + * @val: the value to 'and' + * + * Performs an atomic bitwise 'and' of the value of @atomic and @val, + * storing the result back in @atomic. + * + * Think of this operation as an atomic version of + * { tmp = *atomic; *@atomic &= @val; return tmp; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Returns: the value of @atomic before the operation, unsigned + * + * Since: 2.30 + **/ +gsize +(g_atomic_pointer_and) (volatile void *atomic, + gsize val) +{ + return g_atomic_pointer_and ((volatile gpointer *) atomic, val); +} + +/** + * g_atomic_pointer_or: + * @atomic: a pointer to a #gpointer-sized value + * @val: the value to 'or' + * + * Performs an atomic bitwise 'or' of the value of @atomic and @val, + * storing the result back in @atomic. + * + * Think of this operation as an atomic version of + * { tmp = *atomic; *@atomic |= @val; return tmp; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Returns: the value of @atomic before the operation, unsigned + * + * Since: 2.30 + **/ +gsize +(g_atomic_pointer_or) (volatile void *atomic, + gsize val) +{ + return g_atomic_pointer_or ((volatile gpointer *) atomic, val); +} + +/** + * g_atomic_pointer_xor: + * @atomic: a pointer to a #gpointer-sized value + * @val: the value to 'xor' + * + * Performs an atomic bitwise 'xor' of the value of @atomic and @val, + * storing the result back in @atomic. + * + * Think of this operation as an atomic version of + * { tmp = *atomic; *@atomic ^= @val; return tmp; } + * + * This call acts as a full compiler and hardware memory barrier. + * + * Returns: the value of @atomic before the operation, unsigned + * + * Since: 2.30 + **/ +gsize +(g_atomic_pointer_xor) (volatile void *atomic, + gsize val) +{ + return g_atomic_pointer_xor ((volatile gpointer *) atomic, val); +} + +#elif defined (G_PLATFORM_WIN32) && defined(HAVE_WIN32_BUILTINS_FOR_ATOMIC_OPERATIONS) + +#include +#if !defined(_M_AMD64) && !defined (_M_IA64) && !defined(_M_X64) +#define InterlockedAnd _InterlockedAnd +#define InterlockedOr _InterlockedOr +#define InterlockedXor _InterlockedXor +#endif + +/* + * http://msdn.microsoft.com/en-us/library/ms684122(v=vs.85).aspx + */ +gint +(g_atomic_int_get) (volatile gint *atomic) +{ + MemoryBarrier (); + return *atomic; +} + +void +(g_atomic_int_set) (volatile gint *atomic, + gint newval) +{ + *atomic = newval; + MemoryBarrier (); +} + +void +(g_atomic_int_inc) (volatile gint *atomic) +{ + InterlockedIncrement (atomic); +} + +gboolean +(g_atomic_int_dec_and_test) (volatile gint *atomic) +{ + return InterlockedDecrement (atomic) == 0; +} + +gboolean +(g_atomic_int_compare_and_exchange) (volatile gint *atomic, + gint oldval, + gint newval) +{ + return InterlockedCompareExchange (atomic, newval, oldval) == oldval; +} + +gint +(g_atomic_int_add) (volatile gint *atomic, + gint val) +{ + return InterlockedExchangeAdd (atomic, val); +} + +guint +(g_atomic_int_and) (volatile guint *atomic, + guint val) +{ + return InterlockedAnd (atomic, val); +} + +guint +(g_atomic_int_or) (volatile guint *atomic, + guint val) +{ + return InterlockedOr (atomic, val); +} + +guint +(g_atomic_int_xor) (volatile guint *atomic, + guint val) +{ + return InterlockedXor (atomic, val); +} + + +gpointer +(g_atomic_pointer_get) (volatile void *atomic) +{ + volatile gpointer *ptr = atomic; + + MemoryBarrier (); + return *ptr; +} + +void +(g_atomic_pointer_set) (volatile void *atomic, + gpointer newval) +{ + volatile gpointer *ptr = atomic; + + *ptr = newval; + MemoryBarrier (); +} + +gboolean +(g_atomic_pointer_compare_and_exchange) (volatile void *atomic, + gpointer oldval, + gpointer newval) +{ + return InterlockedCompareExchangePointer (atomic, newval, oldval) == oldval; +} + +gssize +(g_atomic_pointer_add) (volatile void *atomic, + gssize val) +{ +#if GLIB_SIZEOF_VOID_P == 8 + return InterlockedExchangeAdd64 (atomic, val); +#else + return InterlockedExchangeAdd (atomic, val); +#endif +} + +gsize +(g_atomic_pointer_and) (volatile void *atomic, + gsize val) +{ +#if GLIB_SIZEOF_VOID_P == 8 + return InterlockedAnd64 (atomic, val); +#else + return InterlockedAnd (atomic, val); +#endif +} + +gsize +(g_atomic_pointer_or) (volatile void *atomic, + gsize val) +{ +#if GLIB_SIZEOF_VOID_P == 8 + return InterlockedOr64 (atomic, val); +#else + return InterlockedOr (atomic, val); +#endif +} + +gsize +(g_atomic_pointer_xor) (volatile void *atomic, + gsize val) +{ +#if GLIB_SIZEOF_VOID_P == 8 + return InterlockedXor64 (atomic, val); +#else + return InterlockedXor (atomic, val); +#endif +} + +#else + +#include "gthread.h" + +static GStaticMutex g_atomic_lock; + +gint +(g_atomic_int_get) (volatile gint *atomic) +{ + gint value; + + g_static_mutex_lock (&g_atomic_lock); + value = *atomic; + g_static_mutex_unlock (&g_atomic_lock); + + return value; +} + +void +(g_atomic_int_set) (volatile gint *atomic, + gint value) +{ + g_static_mutex_lock (&g_atomic_lock); + *atomic = value; + g_static_mutex_unlock (&g_atomic_lock); +} + +void +(g_atomic_int_inc) (volatile gint *atomic) +{ + g_static_mutex_lock (&g_atomic_lock); + (*atomic)++; + g_static_mutex_unlock (&g_atomic_lock); +} + +gboolean +(g_atomic_int_dec_and_test) (volatile gint *atomic) +{ + gboolean is_zero; + + g_static_mutex_lock (&g_atomic_lock); + is_zero = --(*atomic) == 0; + g_static_mutex_unlock (&g_atomic_lock); + + return is_zero; +} + +gboolean +(g_atomic_int_compare_and_exchange) (volatile gint *atomic, + gint oldval, + gint newval) +{ + gboolean success; + + g_static_mutex_lock (&g_atomic_lock); + + if ((success = (*atomic == oldval))) + *atomic = newval; + + g_static_mutex_unlock (&g_atomic_lock); + + return success; +} + +gint +(g_atomic_int_add) (volatile gint *atomic, + gint val) +{ + gint oldval; + + g_static_mutex_lock (&g_atomic_lock); + oldval = *atomic; + *atomic = oldval + val; + g_static_mutex_unlock (&g_atomic_lock); + + return oldval; +} + +guint +(g_atomic_int_and) (volatile guint *atomic, + guint val) +{ + guint oldval; + + g_static_mutex_lock (&g_atomic_lock); + oldval = *atomic; + *atomic = oldval & val; + g_static_mutex_unlock (&g_atomic_lock); + + return oldval; +} + +guint +(g_atomic_int_or) (volatile guint *atomic, + guint val) +{ + guint oldval; + + g_static_mutex_lock (&g_atomic_lock); + oldval = *atomic; + *atomic = oldval | val; + g_static_mutex_unlock (&g_atomic_lock); + + return oldval; +} + +guint +(g_atomic_int_xor) (volatile guint *atomic, + guint val) +{ + guint oldval; + + g_static_mutex_lock (&g_atomic_lock); + oldval = *atomic; + *atomic = oldval ^ val; + g_static_mutex_unlock (&g_atomic_lock); + + return oldval; +} + + +gpointer +(g_atomic_pointer_get) (volatile void *atomic) +{ + volatile gpointer *ptr = atomic; + gpointer value; + + g_static_mutex_lock (&g_atomic_lock); + value = *ptr; + g_static_mutex_unlock (&g_atomic_lock); + + return value; +} + +void +(g_atomic_pointer_set) (volatile void *atomic, + gpointer newval) +{ + volatile gpointer *ptr = atomic; + + g_static_mutex_lock (&g_atomic_lock); + *ptr = newval; + g_static_mutex_unlock (&g_atomic_lock); +} + +gboolean +(g_atomic_pointer_compare_and_exchange) (volatile void *atomic, + gpointer oldval, + gpointer newval) +{ + volatile gpointer *ptr = atomic; + gboolean success; + + g_static_mutex_lock (&g_atomic_lock); + + if ((success = (*ptr == oldval))) + *ptr = newval; + + g_static_mutex_unlock (&g_atomic_lock); + + return success; +} + +gssize +(g_atomic_pointer_add) (volatile void *atomic, + gssize val) +{ + volatile gssize *ptr = atomic; + gssize oldval; + + g_static_mutex_lock (&g_atomic_lock); + oldval = *ptr; + *ptr = oldval + val; + g_static_mutex_unlock (&g_atomic_lock); + + return oldval; +} + +gsize +(g_atomic_pointer_and) (volatile void *atomic, + gsize val) +{ + volatile gsize *ptr = atomic; + gsize oldval; + + g_static_mutex_lock (&g_atomic_lock); + oldval = *ptr; + *ptr = oldval & val; + g_static_mutex_unlock (&g_atomic_lock); + + return oldval; +} + +gsize +(g_atomic_pointer_or) (volatile void *atomic, + gsize val) +{ + volatile gsize *ptr = atomic; + gsize oldval; + + g_static_mutex_lock (&g_atomic_lock); + oldval = *ptr; + *ptr = oldval | val; + g_static_mutex_unlock (&g_atomic_lock); + + return oldval; +} + +gsize +(g_atomic_pointer_xor) (volatile void *atomic, + gsize val) +{ + volatile gsize *ptr = atomic; + gsize oldval; + + g_static_mutex_lock (&g_atomic_lock); + oldval = *ptr; + *ptr = oldval ^ val; + g_static_mutex_unlock (&g_atomic_lock); + + return oldval; +} + +#endif + +/** + * g_atomic_int_exchange_and_add: + * @atomic: a pointer to a #gint + * @val: the value to add + * + * This function existed before g_atomic_int_add() returned the prior + * value of the integer (which it now does). It is retained only for + * compatibility reasons. Don't use this function in new code. + * + * Returns: the value of @atomic before the add, signed + * Since: 2.4 + * Deprecated: 2.30: Use g_atomic_int_add() instead. + **/ +gint +g_atomic_int_exchange_and_add (volatile gint *atomic, + gint val) +{ + return (g_atomic_int_add) (atomic, val); +} diff --git a/deps/glib/gatomic.h b/deps/glib/gatomic.h new file mode 100644 index 0000000..b06b527 --- /dev/null +++ b/deps/glib/gatomic.h @@ -0,0 +1,217 @@ +/* + * Copyright © 2011 Ryan Lortie + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2 of the + * licence, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + * + * Author: Ryan Lortie + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_ATOMIC_H__ +#define __G_ATOMIC_H__ + +#include + +G_BEGIN_DECLS + +gint g_atomic_int_get (volatile gint *atomic); +void g_atomic_int_set (volatile gint *atomic, + gint newval); +void g_atomic_int_inc (volatile gint *atomic); +gboolean g_atomic_int_dec_and_test (volatile gint *atomic); +gboolean g_atomic_int_compare_and_exchange (volatile gint *atomic, + gint oldval, + gint newval); +gint g_atomic_int_add (volatile gint *atomic, + gint val); +guint g_atomic_int_and (volatile guint *atomic, + guint val); +guint g_atomic_int_or (volatile guint *atomic, + guint val); +guint g_atomic_int_xor (volatile guint *atomic, + guint val); + +gpointer g_atomic_pointer_get (volatile void *atomic); +void g_atomic_pointer_set (volatile void *atomic, + gpointer newval); +gboolean g_atomic_pointer_compare_and_exchange (volatile void *atomic, + gpointer oldval, + gpointer newval); +gssize g_atomic_pointer_add (volatile void *atomic, + gssize val); +gsize g_atomic_pointer_and (volatile void *atomic, + gsize val); +gsize g_atomic_pointer_or (volatile void *atomic, + gsize val); +gsize g_atomic_pointer_xor (volatile void *atomic, + gsize val); + +#ifndef G_DISABLE_DEPRECATED +gint g_atomic_int_exchange_and_add (volatile gint *atomic, + gint val); +#endif + +G_END_DECLS + +#if defined(__GNUC__) && defined(G_ATOMIC_OP_USE_GCC_BUILTINS) + +#define g_atomic_int_get(atomic) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \ + (void) (0 ? *(atomic) ^ *(atomic) : 0); \ + __sync_synchronize (); \ + (gint) *(atomic); \ + })) +#define g_atomic_int_set(atomic, newval) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \ + (void) (0 ? *(atomic) ^ (newval) : 0); \ + *(atomic) = (newval); \ + __sync_synchronize (); \ + })) +#define g_atomic_int_inc(atomic) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \ + (void) (0 ? *(atomic) ^ *(atomic) : 0); \ + (void) __sync_fetch_and_add ((atomic), 1); \ + })) +#define g_atomic_int_dec_and_test(atomic) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \ + (void) (0 ? *(atomic) ^ *(atomic) : 0); \ + __sync_fetch_and_sub ((atomic), 1) == 1; \ + })) +#define g_atomic_int_compare_and_exchange(atomic, oldval, newval) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \ + (void) (0 ? *(atomic) ^ (newval) ^ (oldval) : 0); \ + (gboolean) __sync_bool_compare_and_swap ((atomic), (oldval), (newval)); \ + })) +#define g_atomic_int_add(atomic, val) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \ + (void) (0 ? *(atomic) ^ (val) : 0); \ + (gint) __sync_fetch_and_add ((atomic), (val)); \ + })) +#define g_atomic_int_and(atomic, val) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \ + (void) (0 ? *(atomic) ^ (val) : 0); \ + (guint) __sync_fetch_and_and ((atomic), (val)); \ + })) +#define g_atomic_int_or(atomic, val) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \ + (void) (0 ? *(atomic) ^ (val) : 0); \ + (guint) __sync_fetch_and_or ((atomic), (val)); \ + })) +#define g_atomic_int_xor(atomic, val) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gint)); \ + (void) (0 ? *(atomic) ^ (val) : 0); \ + (guint) __sync_fetch_and_xor ((atomic), (val)); \ + })) + +#define g_atomic_pointer_get(atomic) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \ + __sync_synchronize (); \ + (gpointer) *(atomic); \ + })) +#define g_atomic_pointer_set(atomic, newval) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \ + (void) (0 ? (gpointer) *(atomic) : 0); \ + *(atomic) = (__typeof__ (*(atomic))) (gsize) (newval); \ + __sync_synchronize (); \ + })) +#define g_atomic_pointer_compare_and_exchange(atomic, oldval, newval) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \ + (void) (0 ? (gpointer) *(atomic) : 0); \ + (gboolean) __sync_bool_compare_and_swap ((atomic), (oldval), (newval)); \ + })) +#define g_atomic_pointer_add(atomic, val) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \ + (void) (0 ? (gpointer) *(atomic) : 0); \ + (void) (0 ? (val) ^ (val) : 0); \ + (gssize) __sync_fetch_and_add ((atomic), (val)); \ + })) +#define g_atomic_pointer_and(atomic, val) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \ + (void) (0 ? (gpointer) *(atomic) : 0); \ + (void) (0 ? (val) ^ (val) : 0); \ + (gsize) __sync_fetch_and_and ((atomic), (val)); \ + })) +#define g_atomic_pointer_or(atomic, val) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \ + (void) (0 ? (gpointer) *(atomic) : 0); \ + (void) (0 ? (val) ^ (val) : 0); \ + (gsize) __sync_fetch_and_or ((atomic), (val)); \ + })) +#define g_atomic_pointer_xor(atomic, val) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(atomic) == sizeof (gpointer)); \ + (void) (0 ? (gpointer) *(atomic) : 0); \ + (void) (0 ? (val) ^ (val) : 0); \ + (gsize) __sync_fetch_and_xor ((atomic), (val)); \ + })) + +#else /* defined(__GNUC__) && defined(G_ATOMIC_OP_USE_GCC_BUILTINS) */ + +#define g_atomic_int_get(atomic) \ + (g_atomic_int_get ((gint *) (atomic))) +#define g_atomic_int_set(atomic, newval) \ + (g_atomic_int_set ((gint *) (atomic), (gint) (newval))) +#define g_atomic_int_compare_and_exchange(atomic, oldval, newval) \ + (g_atomic_int_compare_and_exchange ((gint *) (atomic), (oldval), (newval))) +#define g_atomic_int_add(atomic, val) \ + (g_atomic_int_add ((gint *) (atomic), (val))) +#define g_atomic_int_and(atomic, val) \ + (g_atomic_int_and ((gint *) (atomic), (val))) +#define g_atomic_int_or(atomic, val) \ + (g_atomic_int_or ((gint *) (atomic), (val))) +#define g_atomic_int_xor(atomic, val) \ + (g_atomic_int_xor ((gint *) (atomic), (val))) +#define g_atomic_int_inc(atomic) \ + (g_atomic_int_inc ((gint *) (atomic))) +#define g_atomic_int_dec_and_test(atomic) \ + (g_atomic_int_dec_and_test ((gint *) (atomic))) + +#define g_atomic_pointer_get(atomic) \ + (g_atomic_pointer_get (atomic)) +#define g_atomic_pointer_set(atomic, newval) \ + (g_atomic_pointer_set ((atomic), (gpointer) (newval))) +#define g_atomic_pointer_compare_and_exchange(atomic, oldval, newval) \ + (g_atomic_pointer_compare_and_exchange ((atomic), (gpointer) (oldval), (gpointer) (newval))) +#define g_atomic_pointer_add(atomic, val) \ + (g_atomic_pointer_add ((atomic), (gssize) (val))) +#define g_atomic_pointer_and(atomic, val) \ + (g_atomic_pointer_and ((atomic), (gsize) (val))) +#define g_atomic_pointer_or(atomic, val) \ + (g_atomic_pointer_or ((atomic), (gsize) (val))) +#define g_atomic_pointer_xor(atomic, val) \ + (g_atomic_pointer_xor ((atomic), (gsize) (val))) + +#endif /* defined(__GNUC__) && defined(G_ATOMIC_OP_USE_GCC_BUILTINS) */ + +#endif /* __G_ATOMIC_H__ */ diff --git a/deps/glib/gbacktrace.h b/deps/glib/gbacktrace.h new file mode 100644 index 0000000..e5bb39c --- /dev/null +++ b/deps/glib/gbacktrace.h @@ -0,0 +1,61 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_BACKTRACE_H__ +#define __G_BACKTRACE_H__ + +#include +#include + +G_BEGIN_DECLS + +/** + * G_BREAKPOINT: + * + * Inserts a breakpoint instruction into the code. + * + * On x86 and alpha systems this is implemented as a soft interrupt + * and on other architectures it raises a %SIGTRAP signal. + */ +#if (defined (__i386__) || defined (__x86_64__)) && defined (__GNUC__) && __GNUC__ >= 2 +# define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END +#elif (defined (_MSC_VER) || defined (__DMC__)) && defined (_M_IX86) +# define G_BREAKPOINT() G_STMT_START{ __asm int 3h }G_STMT_END +#elif defined (_MSC_VER) +# define G_BREAKPOINT() G_STMT_START{ __debugbreak(); }G_STMT_END +#elif defined (__alpha__) && !defined(__osf__) && defined (__GNUC__) && __GNUC__ >= 2 +# define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END +#else /* !__i386__ && !__alpha__ */ +# define G_BREAKPOINT() G_STMT_START{ raise (SIGTRAP); }G_STMT_END +#endif /* __i386__ */ + +G_END_DECLS + +#endif /* __G_BACKTRACE_H__ */ diff --git a/deps/glib/gbitlock.c b/deps/glib/gbitlock.c new file mode 100644 index 0000000..a9f7a5e --- /dev/null +++ b/deps/glib/gbitlock.c @@ -0,0 +1,535 @@ +/* + * Copyright © 2008 Ryan Lortie + * Copyright © 2010 Codethink Limited + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the licence, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Ryan Lortie + */ + +#include "gbitlock.h" + +#include +#include +#include +#include + +#include "gthreadprivate.h" +#include "config.h" + + +#ifdef G_BIT_LOCK_FORCE_FUTEX_EMULATION +#undef HAVE_FUTEX +#endif + +#ifndef HAVE_FUTEX +static GSList *g_futex_address_list = NULL; +static GMutex *g_futex_mutex = NULL; +#endif + +void +_g_futex_thread_init (void) { +#ifndef HAVE_FUTEX + g_futex_mutex = g_mutex_new (); +#endif +} + +#ifdef HAVE_FUTEX +/* + * We have headers for futex(2) on the build machine. This does not + * imply that every system that ever runs the resulting glib will have + * kernel support for futex, but you'd have to have a pretty old + * kernel in order for that not to be the case. + * + * If anyone actually gets bit by this, please file a bug. :) + */ +#include +#include +#include + +/* < private > + * g_futex_wait: + * @address: a pointer to an integer + * @value: the value that should be at @address + * + * Atomically checks that the value stored at @address is equal to + * @value and then blocks. If the value stored at @address is not + * equal to @value then this function returns immediately. + * + * To unblock, call g_futex_wake() on @address. + * + * This call may spuriously unblock (for example, in response to the + * process receiving a signal) but this is not guaranteed. Unlike the + * Linux system call of a similar name, there is no guarantee that a + * waiting process will unblock due to a g_futex_wake() call in a + * separate process. + */ +static void +g_futex_wait (const volatile gint *address, + gint value) +{ + syscall (__NR_futex, address, (gsize) FUTEX_WAIT, (gsize) value, NULL); +} + +/* < private > + * g_futex_wake: + * @address: a pointer to an integer + * + * Nominally, wakes one thread that is blocked in g_futex_wait() on + * @address (if any thread is currently waiting). + * + * As mentioned in the documention for g_futex_wait(), spurious + * wakeups may occur. As such, this call may result in more than one + * thread being woken up. + */ +static void +g_futex_wake (const volatile gint *address) +{ + syscall (__NR_futex, address, (gsize) FUTEX_WAKE, (gsize) 1, NULL); +} + +#else + +/* emulate futex(2) */ +typedef struct +{ + const volatile gint *address; + gint ref_count; + GCond *wait_queue; +} WaitAddress; + +static WaitAddress * +g_futex_find_address (const volatile gint *address) +{ + GSList *node; + + for (node = g_futex_address_list; node; node = node->next) + { + WaitAddress *waiter = node->data; + + if (waiter->address == address) + return waiter; + } + + return NULL; +} + +static void +g_futex_wait (const volatile gint *address, + gint value) +{ + g_mutex_lock (g_futex_mutex); + if G_LIKELY (g_atomic_int_get (address) == value) + { + WaitAddress *waiter; + + if ((waiter = g_futex_find_address (address)) == NULL) + { + waiter = g_slice_new (WaitAddress); + waiter->address = address; + waiter->wait_queue = g_cond_new (); + waiter->ref_count = 0; + g_futex_address_list = + g_slist_prepend (g_futex_address_list, waiter); + } + + waiter->ref_count++; + g_cond_wait (waiter->wait_queue, g_futex_mutex); + + if (!--waiter->ref_count) + { + g_futex_address_list = + g_slist_remove (g_futex_address_list, waiter); + g_cond_free (waiter->wait_queue); + g_slice_free (WaitAddress, waiter); + } + } + g_mutex_unlock (g_futex_mutex); +} + +static void +g_futex_wake (const volatile gint *address) +{ + WaitAddress *waiter; + + /* need to lock here for two reasons: + * 1) need to acquire/release lock to ensure waiter is not in + * the process of registering a wait + * 2) need to -stay- locked until the end to ensure a wake() + * in another thread doesn't cause 'waiter' to stop existing + */ + g_mutex_lock (g_futex_mutex); + if ((waiter = g_futex_find_address (address))) + g_cond_signal (waiter->wait_queue); + g_mutex_unlock (g_futex_mutex); +} +#endif + +#define CONTENTION_CLASSES 11 +static volatile gint g_bit_lock_contended[CONTENTION_CLASSES]; + +#if (defined (i386) || defined (__amd64__)) + #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) + #define USE_ASM_GOTO 1 + #endif +#endif + +/** + * g_bit_lock: + * @address: a pointer to an integer + * @lock_bit: a bit value between 0 and 31 + * + * Sets the indicated @lock_bit in @address. If the bit is already + * set, this call will block until g_bit_unlock() unsets the + * corresponding bit. + * + * Attempting to lock on two different bits within the same integer is + * not supported and will very probably cause deadlocks. + * + * The value of the bit that is set is (1u << @bit). If @bit is not + * between 0 and 31 then the result is undefined. + * + * This function accesses @address atomically. All other accesses to + * @address must be atomic in order for this function to work + * reliably. + * + * Since: 2.24 + **/ +void +g_bit_lock (volatile gint *address, + gint lock_bit) +{ +#ifdef USE_ASM_GOTO + retry: + asm volatile goto ("lock bts %1, (%0)\n" + "jc %l[contended]" + : /* no output */ + : "r" (address), "r" (lock_bit) + : "cc", "memory" + : contended); + return; + + contended: + { + guint mask = 1u << lock_bit; + guint v; + + v = g_atomic_int_get (address); + if (v & mask) + { + guint class = ((gsize) address) % G_N_ELEMENTS (g_bit_lock_contended); + + g_atomic_int_add (&g_bit_lock_contended[class], +1); + g_futex_wait (address, v); + g_atomic_int_add (&g_bit_lock_contended[class], -1); + } + } + goto retry; +#else + guint mask = 1u << lock_bit; + guint v; + + retry: + v = g_atomic_int_or (address, mask); + if (v & mask) + /* already locked */ + { + guint class = ((gsize) address) % G_N_ELEMENTS (g_bit_lock_contended); + + g_atomic_int_add (&g_bit_lock_contended[class], +1); + g_futex_wait (address, v); + g_atomic_int_add (&g_bit_lock_contended[class], -1); + + goto retry; + } +#endif +} + +/** + * g_bit_trylock: + * @address: a pointer to an integer + * @lock_bit: a bit value between 0 and 31 + * @returns: %TRUE if the lock was acquired + * + * Sets the indicated @lock_bit in @address, returning %TRUE if + * successful. If the bit is already set, returns %FALSE immediately. + * + * Attempting to lock on two different bits within the same integer is + * not supported. + * + * The value of the bit that is set is (1u << @bit). If @bit is not + * between 0 and 31 then the result is undefined. + * + * This function accesses @address atomically. All other accesses to + * @address must be atomic in order for this function to work + * reliably. + * + * Since: 2.24 + **/ +gboolean +g_bit_trylock (volatile gint *address, + gint lock_bit) +{ +#ifdef USE_ASM_GOTO + gboolean result; + + asm volatile ("lock bts %2, (%1)\n" + "setnc %%al\n" + "movzx %%al, %0" + : "=r" (result) + : "r" (address), "r" (lock_bit) + : "cc", "memory"); + + return result; +#else + guint mask = 1u << lock_bit; + guint v; + + v = g_atomic_int_or (address, mask); + + return ~v & mask; +#endif +} + +/** + * g_bit_unlock: + * @address: a pointer to an integer + * @lock_bit: a bit value between 0 and 31 + * + * Clears the indicated @lock_bit in @address. If another thread is + * currently blocked in g_bit_lock() on this same bit then it will be + * woken up. + * + * This function accesses @address atomically. All other accesses to + * @address must be atomic in order for this function to work + * reliably. + * + * Since: 2.24 + **/ +void +g_bit_unlock (volatile gint *address, + gint lock_bit) +{ +#ifdef USE_ASM_GOTO + asm volatile ("lock btr %1, (%0)" + : /* no output */ + : "r" (address), "r" (lock_bit) + : "cc", "memory"); +#else + guint mask = 1u << lock_bit; + + g_atomic_int_and (address, ~mask); +#endif + + { + guint class = ((gsize) address) % G_N_ELEMENTS (g_bit_lock_contended); + + if (g_atomic_int_get (&g_bit_lock_contended[class])) + g_futex_wake (address); + } +} + + +/* We emulate pointer-sized futex(2) because the kernel API only + * supports integers. + * + * We assume that the 'interesting' part is always the lower order bits. + * This assumption holds because pointer bitlocks are restricted to + * using the low order bits of the pointer as the lock. + * + * On 32 bits, there is nothing to do since the pointer size is equal to + * the integer size. On little endian the lower-order bits don't move, + * so do nothing. Only on 64bit big endian do we need to do a bit of + * pointer arithmetic: the low order bits are shifted by 4 bytes. We + * have a helper function that always does the right thing here. + * + * Since we always consider the low-order bits of the integer value, a + * simple cast from (gsize) to (guint) always takes care of that. + * + * After that, pointer-sized futex becomes as simple as: + * + * g_futex_wait (g_futex_int_address (address), (guint) value); + * + * and + * + * g_futex_wake (g_futex_int_address (int_address)); + */ +static const volatile gint * +g_futex_int_address (const volatile void *address) +{ + const volatile gint *int_address = address; + +#if G_BYTE_ORDER == G_BIG_ENDIAN && GLIB_SIZEOF_VOID_P == 8 + int_address++; +#endif + + return int_address; +} + +/** + * g_pointer_bit_lock: + * @address: a pointer to a #gpointer-sized value + * @lock_bit: a bit value between 0 and 31 + * + * This is equivalent to g_bit_lock, but working on pointers (or other + * pointer-sized values). + * + * For portability reasons, you may only lock on the bottom 32 bits of + * the pointer. + * + * Since: 2.30 + **/ +void +(g_pointer_bit_lock) (volatile void *address, + gint lock_bit) +{ + g_return_if_fail (lock_bit < 32); + + { +#ifdef USE_ASM_GOTO + retry: + asm volatile goto ("lock bts %1, (%0)\n" + "jc %l[contended]" + : /* no output */ + : "r" (address), "r" ((gsize) lock_bit) + : "cc", "memory" + : contended); + return; + + contended: + { + volatile gsize *pointer_address = address; + gsize mask = 1u << lock_bit; + gsize v; + + v = (gsize) g_atomic_pointer_get (pointer_address); + if (v & mask) + { + guint class = ((gsize) address) % G_N_ELEMENTS (g_bit_lock_contended); + + g_atomic_int_add (&g_bit_lock_contended[class], +1); + g_futex_wait (g_futex_int_address (address), v); + g_atomic_int_add (&g_bit_lock_contended[class], -1); + } + } + goto retry; +#else + volatile gsize *pointer_address = address; + gsize mask = 1u << lock_bit; + gsize v; + + retry: + v = g_atomic_pointer_or (pointer_address, mask); + if (v & mask) + /* already locked */ + { + guint class = ((gsize) address) % G_N_ELEMENTS (g_bit_lock_contended); + + g_atomic_int_add (&g_bit_lock_contended[class], +1); + g_futex_wait (g_futex_int_address (address), (guint) v); + g_atomic_int_add (&g_bit_lock_contended[class], -1); + + goto retry; + } +#endif + } +} + +/** + * g_pointer_bit_trylock: + * @address: a pointer to a #gpointer-sized value + * @lock_bit: a bit value between 0 and 31 + * @returns: %TRUE if the lock was acquired + * + * This is equivalent to g_bit_trylock, but working on pointers (or + * other pointer-sized values). + * + * For portability reasons, you may only lock on the bottom 32 bits of + * the pointer. + * + * Since: 2.30 + **/ +gboolean +(g_pointer_bit_trylock) (volatile void *address, + gint lock_bit) +{ + g_return_val_if_fail (lock_bit < 32, FALSE); + + { +#ifdef USE_ASM_GOTO + gboolean result; + + asm volatile ("lock bts %2, (%1)\n" + "setnc %%al\n" + "movzx %%al, %0" + : "=r" (result) + : "r" (address), "r" ((gsize) lock_bit) + : "cc", "memory"); + + return result; +#else + volatile gsize *pointer_address = address; + gsize mask = 1u << lock_bit; + gsize v; + + g_return_val_if_fail (lock_bit < 32, FALSE); + + v = g_atomic_pointer_or (pointer_address, mask); + + return ~v & mask; +#endif + } +} + +/** + * g_pointer_bit_unlock: + * @address: a pointer to a #gpointer-sized value + * @lock_bit: a bit value between 0 and 31 + * + * This is equivalent to g_bit_unlock, but working on pointers (or other + * pointer-sized values). + * + * For portability reasons, you may only lock on the bottom 32 bits of + * the pointer. + * + * Since: 2.30 + **/ +void +(g_pointer_bit_unlock) (volatile void *address, + gint lock_bit) +{ + g_return_if_fail (lock_bit < 32); + + { +#ifdef USE_ASM_GOTO + asm volatile ("lock btr %1, (%0)" + : /* no output */ + : "r" (address), "r" ((gsize) lock_bit) + : "cc", "memory"); +#else + volatile gsize *pointer_address = address; + gsize mask = 1u << lock_bit; + + g_atomic_pointer_and (pointer_address, ~mask); +#endif + + { + guint class = ((gsize) address) % G_N_ELEMENTS (g_bit_lock_contended); + if (g_atomic_int_get (&g_bit_lock_contended[class])) + g_futex_wake (g_futex_int_address (address)); + } + } +} diff --git a/deps/glib/gbitlock.h b/deps/glib/gbitlock.h new file mode 100644 index 0000000..ea9cb41 --- /dev/null +++ b/deps/glib/gbitlock.h @@ -0,0 +1,72 @@ +/* + * Copyright © 2008 Ryan Lortie + * Copyright © 2010 Codethink Limited + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the licence, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Ryan Lortie + */ + +#ifndef __G_BITLOCK_H__ +#define __G_BITLOCK_H__ + +#include + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +G_BEGIN_DECLS + +void g_bit_lock (volatile gint *address, + gint lock_bit); +gboolean g_bit_trylock (volatile gint *address, + gint lock_bit); +void g_bit_unlock (volatile gint *address, + gint lock_bit); + +void g_pointer_bit_lock (volatile void *address, + gint lock_bit); +gboolean g_pointer_bit_trylock (volatile void *address, + gint lock_bit); +void g_pointer_bit_unlock (volatile void *address, + gint lock_bit); + +#ifdef __GNUC__ + +#define g_pointer_bit_lock(address, lock_bit) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(address) == sizeof (gpointer)); \ + g_pointer_bit_lock ((address), (lock_bit)); \ + })) + +#define g_pointer_bit_trylock(address, lock_bit) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(address) == sizeof (gpointer)); \ + g_pointer_bit_trylock ((address), (lock_bit)); \ + })) + +#define g_pointer_bit_unlock(address, lock_bit) \ + (G_GNUC_EXTENSION ({ \ + G_STATIC_ASSERT (sizeof *(address) == sizeof (gpointer)); \ + g_pointer_bit_unlock ((address), (lock_bit)); \ + })) + +#endif + +G_END_DECLS + +#endif /* __G_BITLOCK_H_ */ diff --git a/deps/glib/gconvert.c b/deps/glib/gconvert.c new file mode 100644 index 0000000..c269f74 --- /dev/null +++ b/deps/glib/gconvert.c @@ -0,0 +1,31 @@ +#include "gstrfuncs.h" +#include "gconvert.h" + +gchar* +g_convert_with_fallback (const gchar *str, + gssize len, + const gchar *to_codeset, + const gchar *from_codeset, + const gchar *fallback, + gsize *bytes_read, + gsize *bytes_written, + GError **error) +{ + return g_strdup(str); +} + +gchar* +g_locale_to_utf8 (const gchar *opsysstring, + gssize len, + gsize *bytes_read, + gsize *bytes_written, + GError **error) +{ + return g_strdup(opsysstring); +} + +gchar * +g_filename_display_name (const gchar *filename) +{ + return g_strdup(filename); +} diff --git a/deps/glib/gconvert.h b/deps/glib/gconvert.h new file mode 100644 index 0000000..a2c33ad --- /dev/null +++ b/deps/glib/gconvert.h @@ -0,0 +1,94 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * This file has been hacked up to contain a few stubs to get a + * standalone glib that does not care about string charset conversions + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_CONVERT_H__ +#define __G_CONVERT_H__ + +#include + +G_BEGIN_DECLS + +/** + * GConvertError: + * @G_CONVERT_ERROR_NO_CONVERSION: Conversion between the requested character + * sets is not supported. + * @G_CONVERT_ERROR_ILLEGAL_SEQUENCE: Invalid byte sequence in conversion input. + * @G_CONVERT_ERROR_FAILED: Conversion failed for some reason. + * @G_CONVERT_ERROR_PARTIAL_INPUT: Partial character sequence at end of input. + * @G_CONVERT_ERROR_BAD_URI: URI is invalid. + * @G_CONVERT_ERROR_NOT_ABSOLUTE_PATH: Pathname is not an absolute path. + * + * Error codes returned by character set conversion routines. + */ +typedef enum +{ + G_CONVERT_ERROR_NO_CONVERSION, + G_CONVERT_ERROR_ILLEGAL_SEQUENCE, + G_CONVERT_ERROR_FAILED, + G_CONVERT_ERROR_PARTIAL_INPUT, + G_CONVERT_ERROR_BAD_URI, + G_CONVERT_ERROR_NOT_ABSOLUTE_PATH +} GConvertError; + +/** + * G_CONVERT_ERROR: + * + * Error domain for character set conversions. Errors in this domain will + * be from the #GConvertError enumeration. See #GError for information on + * error domains. + */ +#define G_CONVERT_ERROR g_convert_error_quark() +GQuark g_convert_error_quark (void); + +gchar* g_convert_with_fallback (const gchar *str, + gssize len, + const gchar *to_codeset, + const gchar *from_codeset, + const gchar *fallback, + gsize *bytes_read, + gsize *bytes_written, + GError **error) G_GNUC_MALLOC; + +gchar* g_locale_to_utf8 (const gchar *opsysstring, + gssize len, + gsize *bytes_read, + gsize *bytes_written, + GError **error) G_GNUC_MALLOC; + +gchar *g_filename_display_name (const gchar *filename) G_GNUC_MALLOC; + +G_END_DECLS + +#endif /* __G_CONVERT_H__ */ diff --git a/deps/glib/gdataset.c b/deps/glib/gdataset.c new file mode 100644 index 0000000..715b31d --- /dev/null +++ b/deps/glib/gdataset.c @@ -0,0 +1,1361 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * gdataset.c: Generic dataset mechanism, similar to GtkObject data. + * Copyright (C) 1998 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe ; except for g_data*_foreach() + */ + +#include "config.h" + +#include + +#include "gdataset.h" +#include "gbitlock.h" + +#include "gdatasetprivate.h" +#include "ghash.h" +#include "gquark.h" +#include "gstrfuncs.h" +#include "gtestutils.h" +#include "gthread.h" +#include "glib_trace.h" + +/** + * SECTION:datasets + * @title: Datasets + * @short_description: associate groups of data elements with + * particular memory locations + * + * Datasets associate groups of data elements with particular memory + * locations. These are useful if you need to associate data with a + * structure returned from an external library. Since you cannot modify + * the structure, you use its location in memory as the key into a + * dataset, where you can associate any number of data elements with it. + * + * There are two forms of most of the dataset functions. The first form + * uses strings to identify the data elements associated with a + * location. The second form uses #GQuark identifiers, which are + * created with a call to g_quark_from_string() or + * g_quark_from_static_string(). The second form is quicker, since it + * does not require looking up the string in the hash table of #GQuark + * identifiers. + * + * There is no function to create a dataset. It is automatically + * created as soon as you add elements to it. + * + * To add data elements to a dataset use g_dataset_id_set_data(), + * g_dataset_id_set_data_full(), g_dataset_set_data() and + * g_dataset_set_data_full(). + * + * To get data elements from a dataset use g_dataset_id_get_data() and + * g_dataset_get_data(). + * + * To iterate over all data elements in a dataset use + * g_dataset_foreach() (not thread-safe). + * + * To remove data elements from a dataset use + * g_dataset_id_remove_data() and g_dataset_remove_data(). + * + * To destroy a dataset, use g_dataset_destroy(). + **/ + +/** + * SECTION:datalist + * @title: Keyed Data Lists + * @short_description: lists of data elements which are accessible by a + * string or GQuark identifier + * + * Keyed data lists provide lists of arbitrary data elements which can + * be accessed either with a string or with a #GQuark corresponding to + * the string. + * + * The #GQuark methods are quicker, since the strings have to be + * converted to #GQuarks anyway. + * + * Data lists are used for associating arbitrary data with #GObjects, + * using g_object_set_data() and related functions. + * + * To create a datalist, use g_datalist_init(). + * + * To add data elements to a datalist use g_datalist_id_set_data(), + * g_datalist_id_set_data_full(), g_datalist_set_data() and + * g_datalist_set_data_full(). + * + * To get data elements from a datalist use g_datalist_id_get_data() + * and g_datalist_get_data(). + * + * To iterate over all data elements in a datalist use + * g_datalist_foreach() (not thread-safe). + * + * To remove data elements from a datalist use + * g_datalist_id_remove_data() and g_datalist_remove_data(). + * + * To remove all data elements from a datalist, use g_datalist_clear(). + **/ + +/** + * GData: + * + * The #GData struct is an opaque data structure to represent a Keyed Data List. It should + * only be accessed via the following functions. + **/ + +/** + * GDestroyNotify: + * @data: the data element. + * + * Specifies the type of function which is called when a data element + * is destroyed. It is passed the pointer to the data element and + * should free any memory and resources allocated for it. + **/ + +/* --- defines --- */ +#define G_QUARK_BLOCK_SIZE (2048) + +#define G_DATALIST_FLAGS_MASK_INTERNAL 0x7 + +/* datalist pointer accesses have to be carried out atomically */ +#define G_DATALIST_GET_POINTER(datalist) \ + ((GData*) ((gsize) g_atomic_pointer_get (datalist) & ~(gsize) G_DATALIST_FLAGS_MASK_INTERNAL)) + +#define G_DATALIST_SET_POINTER(datalist, pointer) G_STMT_START { \ + gpointer _oldv, _newv; \ + do { \ + _oldv = g_atomic_pointer_get (datalist); \ + _newv = (gpointer) (((gsize) _oldv & G_DATALIST_FLAGS_MASK_INTERNAL) | (gsize) pointer); \ + } while (!g_atomic_pointer_compare_and_exchange ((void**) datalist, _oldv, _newv)); \ +} G_STMT_END + +/* --- structures --- */ +typedef struct { + GQuark key; + gpointer data; + GDestroyNotify destroy; +} GDataElt; + +typedef struct _GDataset GDataset; +struct _GData +{ + guint32 len; /* Number of elements */ + guint32 alloc; /* Number of allocated elements */ + GDataElt data[1]; /* Flexible array */ +}; + +struct _GDataset +{ + gconstpointer location; + GData *datalist; +}; + + +/* --- prototypes --- */ +static inline GDataset* g_dataset_lookup (gconstpointer dataset_location); +static inline void g_datalist_clear_i (GData **datalist); +static void g_dataset_destroy_internal (GDataset *dataset); +static inline gpointer g_data_set_internal (GData **datalist, + GQuark key_id, + gpointer data, + GDestroyNotify destroy_func, + GDataset *dataset); +static void g_data_initialize (void); +static inline GQuark g_quark_new (gchar *string); + + +/* Locking model: + * Each standalone GDataList is protected by a bitlock in the datalist pointer, + * which protects that modification of the non-flags part of the datalist pointer + * and the contents of the datalist. + * + * For GDataSet we have a global lock g_dataset_global that protects + * the global dataset hash and cache, and additionally it protects the + * datalist such that we can avoid to use the bit lock in a few places + * where it is easy. + */ + +/* --- variables --- */ +G_LOCK_DEFINE_STATIC (g_dataset_global); +static GHashTable *g_dataset_location_ht = NULL; +static GDataset *g_dataset_cached = NULL; /* should this be + threadspecific? */ +G_LOCK_DEFINE_STATIC (g_quark_global); +static GHashTable *g_quark_ht = NULL; +static gchar **g_quarks = NULL; +static int g_quark_seq_id = 0; + +/* --- functions --- */ + +#define DATALIST_LOCK_BIT 2 + +static void +g_datalist_lock (GData **datalist) +{ + g_pointer_bit_lock ((void **)datalist, DATALIST_LOCK_BIT); +} + +static void +g_datalist_unlock (GData **datalist) +{ + g_pointer_bit_unlock ((void **)datalist, DATALIST_LOCK_BIT); +} + +/* Called with the datalist lock held, or the dataset global + * lock for dataset lists + */ +static void +g_datalist_clear_i (GData **datalist) +{ + GData *data; + gint i; + + data = G_DATALIST_GET_POINTER (datalist); + G_DATALIST_SET_POINTER (datalist, NULL); + + if (data) + { + G_UNLOCK (g_dataset_global); + for (i = 0; i < data->len; i++) + { + if (data->data[i].data && data->data[i].destroy) + data->data[i].destroy (data->data[i].data); + } + G_LOCK (g_dataset_global); + + g_free (data); + } + +} + +/** + * g_datalist_clear: + * @datalist: a datalist. + * + * Frees all the data elements of the datalist. + * The data elements' destroy functions are called + * if they have been set. + **/ +void +g_datalist_clear (GData **datalist) +{ + GData *data; + gint i; + + g_return_if_fail (datalist != NULL); + + g_datalist_lock (datalist); + + data = G_DATALIST_GET_POINTER (datalist); + G_DATALIST_SET_POINTER (datalist, NULL); + + g_datalist_unlock (datalist); + + if (data) + { + for (i = 0; i < data->len; i++) + { + if (data->data[i].data && data->data[i].destroy) + data->data[i].destroy (data->data[i].data); + } + + g_free (data); + } +} + +/* HOLDS: g_dataset_global_lock */ +static inline GDataset* +g_dataset_lookup (gconstpointer dataset_location) +{ + register GDataset *dataset; + + if (g_dataset_cached && g_dataset_cached->location == dataset_location) + return g_dataset_cached; + + dataset = g_hash_table_lookup (g_dataset_location_ht, dataset_location); + if (dataset) + g_dataset_cached = dataset; + + return dataset; +} + +/* HOLDS: g_dataset_global_lock */ +static void +g_dataset_destroy_internal (GDataset *dataset) +{ + register gconstpointer dataset_location; + + dataset_location = dataset->location; + while (dataset) + { + if (G_DATALIST_GET_POINTER(&dataset->datalist) == NULL) + { + if (dataset == g_dataset_cached) + g_dataset_cached = NULL; + g_hash_table_remove (g_dataset_location_ht, dataset_location); + g_slice_free (GDataset, dataset); + break; + } + + g_datalist_clear_i (&dataset->datalist); + dataset = g_dataset_lookup (dataset_location); + } +} + +/** + * g_dataset_destroy: + * @dataset_location: the location identifying the dataset. + * + * Destroys the dataset, freeing all memory allocated, and calling any + * destroy functions set for data elements. + */ +void +g_dataset_destroy (gconstpointer dataset_location) +{ + g_return_if_fail (dataset_location != NULL); + + G_LOCK (g_dataset_global); + if (g_dataset_location_ht) + { + register GDataset *dataset; + + dataset = g_dataset_lookup (dataset_location); + if (dataset) + g_dataset_destroy_internal (dataset); + } + G_UNLOCK (g_dataset_global); +} + +/* HOLDS: g_dataset_global_lock if dataset != null */ +static inline gpointer +g_data_set_internal (GData **datalist, + GQuark key_id, + gpointer new_data, + GDestroyNotify new_destroy_func, + GDataset *dataset) +{ + GData *d, *old_d; + GDataElt old, *data, *data_last, *data_end; + + g_datalist_lock (datalist); + + d = G_DATALIST_GET_POINTER (datalist); + + if (new_data == NULL) /* remove */ + { + if (d) + { + data = d->data; + data_last = data + d->len - 1; + while (data <= data_last) + { + if (data->key == key_id) + { + old = *data; + if (data != data_last) + *data = *data_last; + d->len--; + + /* We don't bother to shrink, but if all data are now gone + * we at least free the memory + */ + if (d->len == 0) + { + G_DATALIST_SET_POINTER (datalist, NULL); + g_free (d); + /* datalist may be situated in dataset, so must not be + * unlocked after we free it + */ + g_datalist_unlock (datalist); + + /* the dataset destruction *must* be done + * prior to invocation of the data destroy function + */ + if (dataset) + g_dataset_destroy_internal (dataset); + } + else + { + g_datalist_unlock (datalist); + } + + /* We found and removed an old value + * the GData struct *must* already be unlinked + * when invoking the destroy function. + * we use (new_data==NULL && new_destroy_func!=NULL) as + * a special hint combination to "steal" + * data without destroy notification + */ + if (old.destroy && !new_destroy_func) + { + if (dataset) + G_UNLOCK (g_dataset_global); + old.destroy (old.data); + if (dataset) + G_LOCK (g_dataset_global); + old.data = NULL; + } + + return old.data; + } + data++; + } + } + } + else + { + old.data = NULL; + if (d) + { + data = d->data; + data_end = data + d->len; + while (data < data_end) + { + if (data->key == key_id) + { + if (!data->destroy) + { + data->data = new_data; + data->destroy = new_destroy_func; + g_datalist_unlock (datalist); + } + else + { + old = *data; + data->data = new_data; + data->destroy = new_destroy_func; + + g_datalist_unlock (datalist); + + /* We found and replaced an old value + * the GData struct *must* already be unlinked + * when invoking the destroy function. + */ + if (dataset) + G_UNLOCK (g_dataset_global); + old.destroy (old.data); + if (dataset) + G_LOCK (g_dataset_global); + } + return NULL; + } + data++; + } + } + + /* The key was not found, insert it */ + old_d = d; + if (d == NULL) + { + d = g_malloc (sizeof (GData)); + d->len = 0; + d->alloc = 1; + } + else if (d->len == d->alloc) + { + d->alloc = d->alloc * 2; + d = g_realloc (d, sizeof (GData) + (d->alloc - 1) * sizeof (GDataElt)); + } + if (old_d != d) + G_DATALIST_SET_POINTER (datalist, d); + + d->data[d->len].key = key_id; + d->data[d->len].data = new_data; + d->data[d->len].destroy = new_destroy_func; + d->len++; + } + + g_datalist_unlock (datalist); + + return NULL; + +} + +/** + * g_dataset_id_set_data_full: + * @dataset_location: the location identifying the dataset. + * @key_id: the #GQuark id to identify the data element. + * @data: the data element. + * @destroy_func: the function to call when the data element is + * removed. This function will be called with the data + * element and can be used to free any memory allocated + * for it. + * + * Sets the data element associated with the given #GQuark id, and also + * the function to call when the data element is destroyed. Any + * previous data with the same key is removed, and its destroy function + * is called. + **/ +/** + * g_dataset_set_data_full: + * @l: the location identifying the dataset. + * @k: the string to identify the data element. + * @d: the data element. + * @f: the function to call when the data element is removed. This + * function will be called with the data element and can be used to + * free any memory allocated for it. + * + * Sets the data corresponding to the given string identifier, and the + * function to call when the data element is destroyed. + **/ +/** + * g_dataset_id_set_data: + * @l: the location identifying the dataset. + * @k: the #GQuark id to identify the data element. + * @d: the data element. + * + * Sets the data element associated with the given #GQuark id. Any + * previous data with the same key is removed, and its destroy function + * is called. + **/ +/** + * g_dataset_set_data: + * @l: the location identifying the dataset. + * @k: the string to identify the data element. + * @d: the data element. + * + * Sets the data corresponding to the given string identifier. + **/ +/** + * g_dataset_id_remove_data: + * @l: the location identifying the dataset. + * @k: the #GQuark id identifying the data element. + * + * Removes a data element from a dataset. The data element's destroy + * function is called if it has been set. + **/ +/** + * g_dataset_remove_data: + * @l: the location identifying the dataset. + * @k: the string identifying the data element. + * + * Removes a data element corresponding to a string. Its destroy + * function is called if it has been set. + **/ +void +g_dataset_id_set_data_full (gconstpointer dataset_location, + GQuark key_id, + gpointer data, + GDestroyNotify destroy_func) +{ + register GDataset *dataset; + + g_return_if_fail (dataset_location != NULL); + if (!data) + g_return_if_fail (destroy_func == NULL); + if (!key_id) + { + if (data) + g_return_if_fail (key_id > 0); + else + return; + } + + G_LOCK (g_dataset_global); + if (!g_dataset_location_ht) + g_data_initialize (); + + dataset = g_dataset_lookup (dataset_location); + if (!dataset) + { + dataset = g_slice_new (GDataset); + dataset->location = dataset_location; + g_datalist_init (&dataset->datalist); + g_hash_table_insert (g_dataset_location_ht, + (gpointer) dataset->location, + dataset); + } + + g_data_set_internal (&dataset->datalist, key_id, data, destroy_func, dataset); + G_UNLOCK (g_dataset_global); +} + +/** + * g_datalist_id_set_data_full: + * @datalist: a datalist. + * @key_id: the #GQuark to identify the data element. + * @data: the data element or %NULL to remove any previous element + * corresponding to @key_id. + * @destroy_func: the function to call when the data element is + * removed. This function will be called with the data + * element and can be used to free any memory allocated + * for it. If @data is %NULL, then @destroy_func must + * also be %NULL. + * + * Sets the data corresponding to the given #GQuark id, and the + * function to be called when the element is removed from the datalist. + * Any previous data with the same key is removed, and its destroy + * function is called. + **/ +/** + * g_datalist_set_data_full: + * @dl: a datalist. + * @k: the string to identify the data element. + * @d: the data element, or %NULL to remove any previous element + * corresponding to @k. + * @f: the function to call when the data element is removed. This + * function will be called with the data element and can be used to + * free any memory allocated for it. If @d is %NULL, then @f must + * also be %NULL. + * + * Sets the data element corresponding to the given string identifier, + * and the function to be called when the data element is removed. + **/ +/** + * g_datalist_id_set_data: + * @dl: a datalist. + * @q: the #GQuark to identify the data element. + * @d: the data element, or %NULL to remove any previous element + * corresponding to @q. + * + * Sets the data corresponding to the given #GQuark id. Any previous + * data with the same key is removed, and its destroy function is + * called. + **/ +/** + * g_datalist_set_data: + * @dl: a datalist. + * @k: the string to identify the data element. + * @d: the data element, or %NULL to remove any previous element + * corresponding to @k. + * + * Sets the data element corresponding to the given string identifier. + **/ +/** + * g_datalist_id_remove_data: + * @dl: a datalist. + * @q: the #GQuark identifying the data element. + * + * Removes an element, using its #GQuark identifier. + **/ +/** + * g_datalist_remove_data: + * @dl: a datalist. + * @k: the string identifying the data element. + * + * Removes an element using its string identifier. The data element's + * destroy function is called if it has been set. + **/ +void +g_datalist_id_set_data_full (GData **datalist, + GQuark key_id, + gpointer data, + GDestroyNotify destroy_func) +{ + g_return_if_fail (datalist != NULL); + if (!data) + g_return_if_fail (destroy_func == NULL); + if (!key_id) + { + if (data) + g_return_if_fail (key_id > 0); + else + return; + } + + g_data_set_internal (datalist, key_id, data, destroy_func, NULL); +} + +/** + * g_dataset_id_remove_no_notify: + * @dataset_location: the location identifying the dataset. + * @key_id: the #GQuark ID identifying the data element. + * @Returns: the data previously stored at @key_id, or %NULL if none. + * + * Removes an element, without calling its destroy notification + * function. + **/ +/** + * g_dataset_remove_no_notify: + * @l: the location identifying the dataset. + * @k: the string identifying the data element. + * + * Removes an element, without calling its destroy notifier. + **/ +gpointer +g_dataset_id_remove_no_notify (gconstpointer dataset_location, + GQuark key_id) +{ + gpointer ret_data = NULL; + + g_return_val_if_fail (dataset_location != NULL, NULL); + + G_LOCK (g_dataset_global); + if (key_id && g_dataset_location_ht) + { + GDataset *dataset; + + dataset = g_dataset_lookup (dataset_location); + if (dataset) + ret_data = g_data_set_internal (&dataset->datalist, key_id, NULL, (GDestroyNotify) 42, dataset); + } + G_UNLOCK (g_dataset_global); + + return ret_data; +} + +/** + * g_datalist_id_remove_no_notify: + * @datalist: a datalist. + * @key_id: the #GQuark identifying a data element. + * @Returns: the data previously stored at @key_id, or %NULL if none. + * + * Removes an element, without calling its destroy notification + * function. + **/ +/** + * g_datalist_remove_no_notify: + * @dl: a datalist. + * @k: the string identifying the data element. + * + * Removes an element, without calling its destroy notifier. + **/ +gpointer +g_datalist_id_remove_no_notify (GData **datalist, + GQuark key_id) +{ + gpointer ret_data = NULL; + + g_return_val_if_fail (datalist != NULL, NULL); + + if (key_id) + ret_data = g_data_set_internal (datalist, key_id, NULL, (GDestroyNotify) 42, NULL); + + return ret_data; +} + +/** + * g_dataset_id_get_data: + * @dataset_location: the location identifying the dataset. + * @key_id: the #GQuark id to identify the data element. + * @Returns: the data element corresponding to the #GQuark, or %NULL if + * it is not found. + * + * Gets the data element corresponding to a #GQuark. + **/ +/** + * g_dataset_get_data: + * @l: the location identifying the dataset. + * @k: the string identifying the data element. + * @Returns: the data element corresponding to the string, or %NULL if + * it is not found. + * + * Gets the data element corresponding to a string. + **/ +gpointer +g_dataset_id_get_data (gconstpointer dataset_location, + GQuark key_id) +{ + gpointer retval = NULL; + + g_return_val_if_fail (dataset_location != NULL, NULL); + + G_LOCK (g_dataset_global); + if (key_id && g_dataset_location_ht) + { + GDataset *dataset; + + dataset = g_dataset_lookup (dataset_location); + if (dataset) + retval = g_datalist_id_get_data (&dataset->datalist, key_id); + } + G_UNLOCK (g_dataset_global); + + return retval; +} + +/** + * g_datalist_id_get_data: + * @datalist: a datalist. + * @key_id: the #GQuark identifying a data element. + * @Returns: the data element, or %NULL if it is not found. + * + * Retrieves the data element corresponding to @key_id. + **/ +gpointer +g_datalist_id_get_data (GData **datalist, + GQuark key_id) +{ + gpointer res = NULL; + + g_return_val_if_fail (datalist != NULL, NULL); + if (key_id) + { + GData *d; + GDataElt *data, *data_end; + + g_datalist_lock (datalist); + + d = G_DATALIST_GET_POINTER (datalist); + if (d) + { + data = d->data; + data_end = data + d->len; + while (data < data_end) + { + if (data->key == key_id) + { + res = data->data; + break; + } + data++; + } + } + + g_datalist_unlock (datalist); + } + + return res; +} + +/** + * g_datalist_get_data: + * @datalist: a datalist. + * @key: the string identifying a data element. + * @Returns: the data element, or %NULL if it is not found. + * + * Gets a data element, using its string identifer. This is slower than + * g_datalist_id_get_data() because it compares strings. + **/ +gpointer +g_datalist_get_data (GData **datalist, + const gchar *key) +{ + gpointer res = NULL; + GData *d; + GDataElt *data, *data_end; + + g_return_val_if_fail (datalist != NULL, NULL); + + g_datalist_lock (datalist); + + d = G_DATALIST_GET_POINTER (datalist); + if (d) + { + data = d->data; + data_end = data + d->len; + while (data < data_end) + { + if (strcmp (g_quark_to_string (data->key), key) == 0) + { + res = data->data; + break; + } + data++; + } + } + + g_datalist_unlock (datalist); + + return res; +} + +/** + * GDataForeachFunc: + * @key_id: the #GQuark id to identifying the data element. + * @data: the data element. + * @user_data: user data passed to g_dataset_foreach(). + * + * Specifies the type of function passed to g_dataset_foreach(). It is + * called with each #GQuark id and associated data element, together + * with the @user_data parameter supplied to g_dataset_foreach(). + **/ + +/** + * g_dataset_foreach: + * @dataset_location: the location identifying the dataset. + * @func: the function to call for each data element. + * @user_data: user data to pass to the function. + * + * Calls the given function for each data element which is associated + * with the given location. Note that this function is NOT thread-safe. + * So unless @datalist can be protected from any modifications during + * invocation of this function, it should not be called. + **/ +void +g_dataset_foreach (gconstpointer dataset_location, + GDataForeachFunc func, + gpointer user_data) +{ + register GDataset *dataset; + + g_return_if_fail (dataset_location != NULL); + g_return_if_fail (func != NULL); + + G_LOCK (g_dataset_global); + if (g_dataset_location_ht) + { + dataset = g_dataset_lookup (dataset_location); + G_UNLOCK (g_dataset_global); + if (dataset) + g_datalist_foreach (&dataset->datalist, func, user_data); + } + else + { + G_UNLOCK (g_dataset_global); + } +} + +/** + * g_datalist_foreach: + * @datalist: a datalist. + * @func: the function to call for each data element. + * @user_data: user data to pass to the function. + * + * Calls the given function for each data element of the datalist. The + * function is called with each data element's #GQuark id and data, + * together with the given @user_data parameter. Note that this + * function is NOT thread-safe. So unless @datalist can be protected + * from any modifications during invocation of this function, it should + * not be called. + **/ +void +g_datalist_foreach (GData **datalist, + GDataForeachFunc func, + gpointer user_data) +{ + GData *d; + int i, j, len; + GQuark *keys; + + g_return_if_fail (datalist != NULL); + g_return_if_fail (func != NULL); + + d = G_DATALIST_GET_POINTER (datalist); + if (d == NULL) + return; + + /* We make a copy of the keys so that we can handle it changing + in the callback */ + len = d->len; + keys = g_new (GQuark, len); + for (i = 0; i < len; i++) + keys[i] = d->data[i].key; + + for (i = 0; i < len; i++) + { + /* A previous callback might have removed a later item, so always check that + it still exists before calling */ + d = G_DATALIST_GET_POINTER (datalist); + + if (d == NULL) + break; + for (j = 0; j < d->len; j++) + { + if (d->data[j].key == keys[i]) { + func (d->data[i].key, d->data[i].data, user_data); + break; + } + } + } + g_free (keys); +} + +/** + * g_datalist_init: + * @datalist: a pointer to a pointer to a datalist. + * + * Resets the datalist to %NULL. It does not free any memory or call + * any destroy functions. + **/ +void +g_datalist_init (GData **datalist) +{ + g_return_if_fail (datalist != NULL); + + g_atomic_pointer_set (datalist, NULL); +} + +/** + * g_datalist_set_flags: + * @datalist: pointer to the location that holds a list + * @flags: the flags to turn on. The values of the flags are + * restricted by %G_DATALIST_FLAGS_MASK (currently + * 3; giving two possible boolean flags). + * A value for @flags that doesn't fit within the mask is + * an error. + * + * Turns on flag values for a data list. This function is used + * to keep a small number of boolean flags in an object with + * a data list without using any additional space. It is + * not generally useful except in circumstances where space + * is very tight. (It is used in the base #GObject type, for + * example.) + * + * Since: 2.8 + **/ +void +g_datalist_set_flags (GData **datalist, + guint flags) +{ + g_return_if_fail (datalist != NULL); + g_return_if_fail ((flags & ~G_DATALIST_FLAGS_MASK) == 0); + + g_atomic_pointer_or (datalist, (gsize)flags); +} + +/** + * g_datalist_unset_flags: + * @datalist: pointer to the location that holds a list + * @flags: the flags to turn off. The values of the flags are + * restricted by %G_DATALIST_FLAGS_MASK (currently + * 3: giving two possible boolean flags). + * A value for @flags that doesn't fit within the mask is + * an error. + * + * Turns off flag values for a data list. See g_datalist_unset_flags() + * + * Since: 2.8 + **/ +void +g_datalist_unset_flags (GData **datalist, + guint flags) +{ + g_return_if_fail (datalist != NULL); + g_return_if_fail ((flags & ~G_DATALIST_FLAGS_MASK) == 0); + + g_atomic_pointer_and (datalist, ~(gsize)flags); +} + +/** + * g_datalist_get_flags: + * @datalist: pointer to the location that holds a list + * + * Gets flags values packed in together with the datalist. + * See g_datalist_set_flags(). + * + * Return value: the flags of the datalist + * + * Since: 2.8 + **/ +guint +g_datalist_get_flags (GData **datalist) +{ + g_return_val_if_fail (datalist != NULL, 0); + + return G_DATALIST_GET_FLAGS (datalist); /* atomic macro */ +} + +/* HOLDS: g_dataset_global_lock */ +static void +g_data_initialize (void) +{ + g_return_if_fail (g_dataset_location_ht == NULL); + + g_dataset_location_ht = g_hash_table_new (g_direct_hash, NULL); + g_dataset_cached = NULL; +} + +/** + * SECTION:quarks + * @title: Quarks + * @short_description: a 2-way association between a string and a + * unique integer identifier + * + * Quarks are associations between strings and integer identifiers. + * Given either the string or the #GQuark identifier it is possible to + * retrieve the other. + * + * Quarks are used for both Datasets and Keyed Data Lists. + * + * To create a new quark from a string, use g_quark_from_string() or + * g_quark_from_static_string(). + * + * To find the string corresponding to a given #GQuark, use + * g_quark_to_string(). + * + * To find the #GQuark corresponding to a given string, use + * g_quark_try_string(). + * + * Another use for the string pool maintained for the quark functions + * is string interning, using g_intern_string() or + * g_intern_static_string(). An interned string is a canonical + * representation for a string. One important advantage of interned + * strings is that they can be compared for equality by a simple + * pointer comparison, rather than using strcmp(). + **/ + +/** + * GQuark: + * + * A GQuark is a non-zero integer which uniquely identifies a + * particular string. A GQuark value of zero is associated to %NULL. + **/ + +/** + * g_quark_try_string: + * @string: (allow-none): a string. + * @Returns: the #GQuark associated with the string, or 0 if @string is + * %NULL or there is no #GQuark associated with it. + * + * Gets the #GQuark associated with the given string, or 0 if string is + * %NULL or it has no associated #GQuark. + * + * If you want the GQuark to be created if it doesn't already exist, + * use g_quark_from_string() or g_quark_from_static_string(). + **/ +GQuark +g_quark_try_string (const gchar *string) +{ + GQuark quark = 0; + + if (string == NULL) + return 0; + + G_LOCK (g_quark_global); + if (g_quark_ht) + quark = GPOINTER_TO_UINT (g_hash_table_lookup (g_quark_ht, string)); + G_UNLOCK (g_quark_global); + + return quark; +} + +#define QUARK_STRING_BLOCK_SIZE (4096 - sizeof (gsize)) +static char *quark_block = NULL; +static int quark_block_offset = 0; + +/* HOLDS: g_quark_global_lock */ +static char * +quark_strdup(const gchar *string) +{ + gchar *copy; + gsize len; + + len = strlen (string) + 1; + + /* For strings longer than half the block size, fall back + to strdup so that we fill our blocks at least 50%. */ + if (len > QUARK_STRING_BLOCK_SIZE / 2) + return g_strdup (string); + + if (quark_block == NULL || + QUARK_STRING_BLOCK_SIZE - quark_block_offset < len) + { + quark_block = g_malloc (QUARK_STRING_BLOCK_SIZE); + quark_block_offset = 0; + } + + copy = quark_block + quark_block_offset; + memcpy (copy, string, len); + quark_block_offset += len; + + return copy; +} + +/* HOLDS: g_quark_global_lock */ +static inline GQuark +g_quark_from_string_internal (const gchar *string, + gboolean duplicate) +{ + GQuark quark = 0; + + if (g_quark_ht) + quark = GPOINTER_TO_UINT (g_hash_table_lookup (g_quark_ht, string)); + + if (!quark) + { + quark = g_quark_new (duplicate ? quark_strdup (string) : (gchar *)string); + TRACE(GLIB_QUARK_NEW(string, quark)); + } + + return quark; +} + +/** + * g_quark_from_string: + * @string: (allow-none): a string. + * @Returns: the #GQuark identifying the string, or 0 if @string is + * %NULL. + * + * Gets the #GQuark identifying the given string. If the string does + * not currently have an associated #GQuark, a new #GQuark is created, + * using a copy of the string. + **/ +GQuark +g_quark_from_string (const gchar *string) +{ + GQuark quark; + + if (!string) + return 0; + + G_LOCK (g_quark_global); + quark = g_quark_from_string_internal (string, TRUE); + G_UNLOCK (g_quark_global); + + return quark; +} + +/** + * g_quark_from_static_string: + * @string: (allow-none): a string. + * @Returns: the #GQuark identifying the string, or 0 if @string is + * %NULL. + * + * Gets the #GQuark identifying the given (static) string. If the + * string does not currently have an associated #GQuark, a new #GQuark + * is created, linked to the given string. + * + * Note that this function is identical to g_quark_from_string() except + * that if a new #GQuark is created the string itself is used rather + * than a copy. This saves memory, but can only be used if the string + * will always exist. It can be used with + * statically allocated strings in the main program, but not with + * statically allocated memory in dynamically loaded modules, if you + * expect to ever unload the module again (e.g. do not use this + * function in GTK+ theme engines). + **/ +GQuark +g_quark_from_static_string (const gchar *string) +{ + GQuark quark; + + if (!string) + return 0; + + G_LOCK (g_quark_global); + quark = g_quark_from_string_internal (string, FALSE); + G_UNLOCK (g_quark_global); + + return quark; +} + +/** + * g_quark_to_string: + * @quark: a #GQuark. + * @Returns: the string associated with the #GQuark. + * + * Gets the string associated with the given #GQuark. + **/ +const gchar * +g_quark_to_string (GQuark quark) +{ + gchar* result = NULL; + gchar **quarks; + gint quark_seq_id; + + quark_seq_id = g_atomic_int_get (&g_quark_seq_id); + quarks = g_atomic_pointer_get (&g_quarks); + + if (quark < quark_seq_id) + result = quarks[quark]; + + return result; +} + +/* HOLDS: g_quark_global_lock */ +static inline GQuark +g_quark_new (gchar *string) +{ + GQuark quark; + gchar **g_quarks_new; + + if (g_quark_seq_id % G_QUARK_BLOCK_SIZE == 0) + { + g_quarks_new = g_new (gchar*, g_quark_seq_id + G_QUARK_BLOCK_SIZE); + if (g_quark_seq_id != 0) + memcpy (g_quarks_new, g_quarks, sizeof (char *) * g_quark_seq_id); + memset (g_quarks_new + g_quark_seq_id, 0, sizeof (char *) * G_QUARK_BLOCK_SIZE); + /* This leaks the old quarks array. Its unfortunate, but it allows + us to do lockless lookup of the arrays, and there shouldn't be that + many quarks in an app */ + g_atomic_pointer_set (&g_quarks, g_quarks_new); + } + if (!g_quark_ht) + { + g_assert (g_quark_seq_id == 0); + g_quark_ht = g_hash_table_new (g_str_hash, g_str_equal); + g_quarks[g_quark_seq_id] = NULL; + g_atomic_int_inc (&g_quark_seq_id); + } + + quark = g_quark_seq_id; + g_atomic_pointer_set (&g_quarks[quark], string); + g_hash_table_insert (g_quark_ht, string, GUINT_TO_POINTER (quark)); + g_atomic_int_inc (&g_quark_seq_id); + + return quark; +} + +/** + * g_intern_string: + * @string: (allow-none): a string + * + * Returns a canonical representation for @string. Interned strings can + * be compared for equality by comparing the pointers, instead of using strcmp(). + * + * Returns: a canonical representation for the string + * + * Since: 2.10 + */ +const gchar * +g_intern_string (const gchar *string) +{ + const gchar *result; + GQuark quark; + + if (!string) + return NULL; + + G_LOCK (g_quark_global); + quark = g_quark_from_string_internal (string, TRUE); + result = g_quarks[quark]; + G_UNLOCK (g_quark_global); + + return result; +} + +/** + * g_intern_static_string: + * @string: (allow-none): a static string + * + * Returns a canonical representation for @string. Interned strings can + * be compared for equality by comparing the pointers, instead of using strcmp(). + * g_intern_static_string() does not copy the string, therefore @string must + * not be freed or modified. + * + * Returns: a canonical representation for the string + * + * Since: 2.10 + */ +const gchar * +g_intern_static_string (const gchar *string) +{ + GQuark quark; + const gchar *result; + + if (!string) + return NULL; + + G_LOCK (g_quark_global); + quark = g_quark_from_string_internal (string, FALSE); + result = g_quarks[quark]; + G_UNLOCK (g_quark_global); + + return result; +} diff --git a/deps/glib/gdataset.h b/deps/glib/gdataset.h new file mode 100644 index 0000000..4451c38 --- /dev/null +++ b/deps/glib/gdataset.h @@ -0,0 +1,122 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_DATASET_H__ +#define __G_DATASET_H__ + +#include + +G_BEGIN_DECLS + +typedef struct _GData GData; + +typedef void (*GDataForeachFunc) (GQuark key_id, + gpointer data, + gpointer user_data); + +/* Keyed Data List + */ +void g_datalist_init (GData **datalist); +void g_datalist_clear (GData **datalist); +gpointer g_datalist_id_get_data (GData **datalist, + GQuark key_id); +void g_datalist_id_set_data_full (GData **datalist, + GQuark key_id, + gpointer data, + GDestroyNotify destroy_func); +gpointer g_datalist_id_remove_no_notify (GData **datalist, + GQuark key_id); +void g_datalist_foreach (GData **datalist, + GDataForeachFunc func, + gpointer user_data); + +/** + * G_DATALIST_FLAGS_MASK: + * + * A bitmask that restricts the possible flags passed to + * g_datalist_set_flags(). Passing a flags value where + * flags & ~G_DATALIST_FLAGS_MASK != 0 is an error. + */ +#define G_DATALIST_FLAGS_MASK 0x3 + +void g_datalist_set_flags (GData **datalist, + guint flags); +void g_datalist_unset_flags (GData **datalist, + guint flags); +guint g_datalist_get_flags (GData **datalist); + +#define g_datalist_id_set_data(dl, q, d) \ + g_datalist_id_set_data_full ((dl), (q), (d), NULL) +#define g_datalist_id_remove_data(dl, q) \ + g_datalist_id_set_data ((dl), (q), NULL) +#define g_datalist_set_data_full(dl, k, d, f) \ + g_datalist_id_set_data_full ((dl), g_quark_from_string (k), (d), (f)) +#define g_datalist_remove_no_notify(dl, k) \ + g_datalist_id_remove_no_notify ((dl), g_quark_try_string (k)) +#define g_datalist_set_data(dl, k, d) \ + g_datalist_set_data_full ((dl), (k), (d), NULL) +#define g_datalist_remove_data(dl, k) \ + g_datalist_id_set_data ((dl), g_quark_try_string (k), NULL) + + +/* Location Associated Keyed Data + */ +void g_dataset_destroy (gconstpointer dataset_location); +gpointer g_dataset_id_get_data (gconstpointer dataset_location, + GQuark key_id); +gpointer g_datalist_get_data (GData **datalist, + const gchar *key); +void g_dataset_id_set_data_full (gconstpointer dataset_location, + GQuark key_id, + gpointer data, + GDestroyNotify destroy_func); +gpointer g_dataset_id_remove_no_notify (gconstpointer dataset_location, + GQuark key_id); +void g_dataset_foreach (gconstpointer dataset_location, + GDataForeachFunc func, + gpointer user_data); +#define g_dataset_id_set_data(l, k, d) \ + g_dataset_id_set_data_full ((l), (k), (d), NULL) +#define g_dataset_id_remove_data(l, k) \ + g_dataset_id_set_data ((l), (k), NULL) +#define g_dataset_get_data(l, k) \ + (g_dataset_id_get_data ((l), g_quark_try_string (k))) +#define g_dataset_set_data_full(l, k, d, f) \ + g_dataset_id_set_data_full ((l), g_quark_from_string (k), (d), (f)) +#define g_dataset_remove_no_notify(l, k) \ + g_dataset_id_remove_no_notify ((l), g_quark_try_string (k)) +#define g_dataset_set_data(l, k, d) \ + g_dataset_set_data_full ((l), (k), (d), NULL) +#define g_dataset_remove_data(l, k) \ + g_dataset_id_set_data ((l), g_quark_try_string (k), NULL) + +G_END_DECLS + +#endif /* __G_DATASET_H__ */ diff --git a/deps/glib/gdatasetprivate.h b/deps/glib/gdatasetprivate.h new file mode 100644 index 0000000..80d0ccf --- /dev/null +++ b/deps/glib/gdatasetprivate.h @@ -0,0 +1,44 @@ +/* GLIB - Library of useful routines for C programming + * gdataset-private.h: Internal macros for accessing dataset values + * Copyright (C) 2005 Red Hat + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#ifndef __G_DATASETPRIVATE_H__ +#define __G_DATASETPRIVATE_H__ + +#include + +G_BEGIN_DECLS + +/* GET_FLAGS is implemented via atomic pointer access, to allow memory + * barriers to take effect without acquiring the global dataset mutex. + */ +#define G_DATALIST_GET_FLAGS(datalist) \ + ((gsize) g_atomic_pointer_get (datalist) & G_DATALIST_FLAGS_MASK) + + +G_END_DECLS + +#endif /* __G_DATASETPRIVATE_H__ */ diff --git a/deps/glib/gdebug.h b/deps/glib/gdebug.h new file mode 100644 index 0000000..dea3dde --- /dev/null +++ b/deps/glib/gdebug.h @@ -0,0 +1,59 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GTK+ at ftp://ftp.gtk.org/pub/gtk/. + */ + +#ifndef __G_DEBUG_H__ +#define __G_DEBUG_H__ + +G_BEGIN_DECLS + +typedef enum { + G_DEBUG_FATAL_WARNINGS = 1 << 0, + G_DEBUG_FATAL_CRITICALS = 1 << 1 +} GDebugFlag; + + +#ifdef G_ENABLE_DEBUG + +#define G_NOTE(type, action) G_STMT_START { \ + if (!_g_debug_initialized) \ + { _g_debug_init (); } \ + if (_g_debug_flags & G_DEBUG_##type) \ + { action; }; } G_STMT_END + +#else /* !G_ENABLE_DEBUG */ + +#define G_NOTE(type, action) + +#endif /* G_ENABLE_DEBUG */ + +GLIB_VAR gboolean _g_debug_initialized; +GLIB_VAR guint _g_debug_flags; + +G_GNUC_INTERNAL void _g_debug_init (void); + +G_END_DECLS + +#endif /* __G_DEBUG_H__ */ diff --git a/deps/glib/gerror.c b/deps/glib/gerror.c new file mode 100644 index 0000000..015d709 --- /dev/null +++ b/deps/glib/gerror.c @@ -0,0 +1,711 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/** + * SECTION:error_reporting + * @Title: Error Reporting + * @Short_description: a system for reporting errors + * + * GLib provides a standard method of reporting errors from a called + * function to the calling code. (This is the same problem solved by + * exceptions in other languages.) It's important to understand that + * this method is both a data type (the #GError + * object) and a set of rules. If you use #GError + * incorrectly, then your code will not properly interoperate with other + * code that uses #GError, and users of your API will probably get confused. + * + * First and foremost: #GError should only be used to report + * recoverable runtime errors, never to report programming + * errors. If the programmer has screwed up, then you should + * use g_warning(), g_return_if_fail(), g_assert(), g_error(), or some + * similar facility. (Incidentally, remember that the g_error() function + * should only be used for programming errors, it + * should not be used to print any error reportable via #GError.) + * + * Examples of recoverable runtime errors are "file not found" or + * "failed to parse input." Examples of programming errors are "NULL + * passed to strcmp()" or "attempted to free the same pointer twice." + * These two kinds of errors are fundamentally different: runtime errors + * should be handled or reported to the user, programming errors should + * be eliminated by fixing the bug in the program. This is why most + * functions in GLib and GTK+ do not use the #GError facility. + * + * Functions that can fail take a return location for a #GError as their + * last argument. For example: + * |[ + * gboolean g_file_get_contents (const gchar *filename, + * gchar **contents, + * gsize *length, + * GError **error); + * ]| + * If you pass a non-%NULL value for the error + * argument, it should point to a location where an error can be placed. + * For example: + * |[ + * gchar *contents; + * GError *err = NULL; + * g_file_get_contents ("foo.txt", &contents, NULL, &err); + * g_assert ((contents == NULL && err != NULL) || (contents != NULL && err == NULL)); + * if (err != NULL) + * { + * /* Report error to user, and free error */ + * g_assert (contents == NULL); + * fprintf (stderr, "Unable to read file: %s\n", err->message); + * g_error_free (err); + * } + * else + * { + * /* Use file contents */ + * g_assert (contents != NULL); + * } + * ]| + * Note that err != NULL in this example is a + * reliable indicator of whether + * g_file_get_contents() failed. Additionally, g_file_get_contents() + * returns a boolean which indicates whether it was successful. + * + * Because g_file_get_contents() returns %FALSE on failure, if you + * are only interested in whether it failed and don't need to display + * an error message, you can pass %NULL for the error + * argument: + * |[ + * if (g_file_get_contents ("foo.txt", &contents, NULL, NULL)) /* ignore errors */ + * /* no error occurred */ ; + * else + * /* error */ ; + * ]| + * + * The #GError object contains three fields: domain + * indicates the module the error-reporting function is located in, + * code indicates the specific error that occurred, + * and message is a user-readable error message with + * as many details as possible. Several functions are provided to deal + * with an error received from a called function: g_error_matches() + * returns %TRUE if the error matches a given domain and code, + * g_propagate_error() copies an error into an error location (so the + * calling function will receive it), and g_clear_error() clears an + * error location by freeing the error and resetting the location to + * %NULL. To display an error to the user, simply display + * error->message, perhaps along with additional + * context known only to the calling function (the file being opened, + * or whatever -- though in the g_file_get_contents() case, + * error->message already contains a filename). + * + * When implementing a function that can report errors, the basic + * tool is g_set_error(). Typically, if a fatal error occurs you + * want to g_set_error(), then return immediately. g_set_error() + * does nothing if the error location passed to it is %NULL. + * Here's an example: + * |[ + * gint + * foo_open_file (GError **error) + * { + * gint fd; + * + * fd = open ("file.txt", O_RDONLY); + * + * if (fd < 0) + * { + * g_set_error (error, + * FOO_ERROR, /* error domain */ + * FOO_ERROR_BLAH, /* error code */ + * "Failed to open file: %s", /* error message format string */ + * g_strerror (errno)); + * return -1; + * } + * else + * return fd; + * } + * ]| + * + * Things are somewhat more complicated if you yourself call another + * function that can report a #GError. If the sub-function indicates + * fatal errors in some way other than reporting a #GError, such as + * by returning %TRUE on success, you can simply do the following: + * |[ + * gboolean + * my_function_that_can_fail (GError **err) + * { + * g_return_val_if_fail (err == NULL || *err == NULL, FALSE); + * + * if (!sub_function_that_can_fail (err)) + * { + * /* assert that error was set by the sub-function */ + * g_assert (err == NULL || *err != NULL); + * return FALSE; + * } + * + * /* otherwise continue, no error occurred */ + * g_assert (err == NULL || *err == NULL); + * } + * ]| + * + * If the sub-function does not indicate errors other than by + * reporting a #GError, you need to create a temporary #GError + * since the passed-in one may be %NULL. g_propagate_error() is + * intended for use in this case. + * |[ + * gboolean + * my_function_that_can_fail (GError **err) + * { + * GError *tmp_error; + * + * g_return_val_if_fail (err == NULL || *err == NULL, FALSE); + * + * tmp_error = NULL; + * sub_function_that_can_fail (&tmp_error); + * + * if (tmp_error != NULL) + * { + * /* store tmp_error in err, if err != NULL, + * * otherwise call g_error_free() on tmp_error + * */ + * g_propagate_error (err, tmp_error); + * return FALSE; + * } + * + * /* otherwise continue, no error occurred */ + * } + * ]| + * + * Error pileups are always a bug. For example, this code is incorrect: + * |[ + * gboolean + * my_function_that_can_fail (GError **err) + * { + * GError *tmp_error; + * + * g_return_val_if_fail (err == NULL || *err == NULL, FALSE); + * + * tmp_error = NULL; + * sub_function_that_can_fail (&tmp_error); + * other_function_that_can_fail (&tmp_error); + * + * if (tmp_error != NULL) + * { + * g_propagate_error (err, tmp_error); + * return FALSE; + * } + * } + * ]| + * tmp_error should be checked immediately after + * sub_function_that_can_fail(), and either cleared or propagated + * upward. The rule is: after each error, you must either + * handle the error, or return it to the calling function. + * Note that passing %NULL for the error location is the equivalent + * of handling an error by always doing nothing about it. So the + * following code is fine, assuming errors in sub_function_that_can_fail() + * are not fatal to my_function_that_can_fail(): + * |[ + * gboolean + * my_function_that_can_fail (GError **err) + * { + * GError *tmp_error; + * + * g_return_val_if_fail (err == NULL || *err == NULL, FALSE); + * + * sub_function_that_can_fail (NULL); /* ignore errors */ + * + * tmp_error = NULL; + * other_function_that_can_fail (&tmp_error); + * + * if (tmp_error != NULL) + * { + * g_propagate_error (err, tmp_error); + * return FALSE; + * } + * } + * ]| + * + * Note that passing %NULL for the error location + * ignores errors; it's equivalent to + * try { sub_function_that_can_fail (); } catch (...) {} + * in C++. It does not mean to leave errors + * unhandled; it means to handle them by doing nothing. + * + * Error domains and codes are conventionally named as follows: + * + * + * The error domain is called + * <NAMESPACE>_<MODULE>_ERROR, + * for example %G_SPAWN_ERROR or %G_THREAD_ERROR: + * |[ + * #define G_SPAWN_ERROR g_spawn_error_quark () + * + * GQuark + * g_spawn_error_quark (void) + * { + * return g_quark_from_static_string ("g-spawn-error-quark"); + * } + * ]| + * + * + * The quark function for the error domain is called + * <namespace>_<module>_error_quark, + * for example g_spawn_error_quark() or %g_thread_error_quark(). + * + * + * The error codes are in an enumeration called + * <Namespace><Module>Error; + * for example,#GThreadError or #GSpawnError. + * + * + * Members of the error code enumeration are called + * <NAMESPACE>_<MODULE>_ERROR_<CODE>, + * for example %G_SPAWN_ERROR_FORK or %G_THREAD_ERROR_AGAIN. + * + * + * If there's a "generic" or "unknown" error code for unrecoverable + * errors it doesn't make sense to distinguish with specific codes, + * it should be called <NAMESPACE>_<MODULE>_ERROR_FAILED, + * for example %G_SPAWN_ERROR_FAILED or %G_THREAD_ERROR_FAILED. + * + * + * + * Summary of rules for use of #GError: + * + * + * Do not report programming errors via #GError. + * + * + * The last argument of a function that returns an error should + * be a location where a #GError can be placed (i.e. "#GError** error"). + * If #GError is used with varargs, the #GError** should be the last + * argument before the "...". + * + * + * The caller may pass %NULL for the #GError** if they are not interested + * in details of the exact error that occurred. + * + * + * If %NULL is passed for the #GError** argument, then errors should + * not be returned to the caller, but your function should still + * abort and return if an error occurs. That is, control flow should + * not be affected by whether the caller wants to get a #GError. + * + * + * If a #GError is reported, then your function by definition + * had a fatal failure and did not complete whatever + * it was supposed to do. If the failure was not fatal, + * then you handled it and you should not report it. If it was fatal, + * then you must report it and discontinue whatever you were doing + * immediately. + * + * + * A #GError* must be initialized to %NULL before passing its address + * to a function that can report errors. + * + * + * "Piling up" errors is always a bug. That is, if you assign a + * new #GError to a #GError* that is non-%NULL, thus overwriting + * the previous error, it indicates that you should have aborted + * the operation instead of continuing. If you were able to continue, + * you should have cleared the previous error with g_clear_error(). + * g_set_error() will complain if you pile up errors. + * + * + * By convention, if you return a boolean value indicating success + * then %TRUE means success and %FALSE means failure. If %FALSE is + * returned, the error must be set to a non-%NULL + * value. + * + * + * A %NULL return value is also frequently used to mean that an error + * occurred. You should make clear in your documentation whether %NULL + * is a valid return value in non-error cases; if %NULL is a valid value, + * then users must check whether an error was returned to see if the + * function succeeded. + * + * + * When implementing a function that can report errors, you may want + * to add a check at the top of your function that the error return + * location is either %NULL or contains a %NULL error (e.g. + * g_return_if_fail (error == NULL || *error == NULL);). + * + * + */ + +#include "config.h" + +#include "gerror.h" + +#include "gstrfuncs.h" +#include "gtestutils.h" + +/** + * g_error_new_valist: + * @domain: error domain + * @code: error code + * @format: printf()-style format for error message + * @args: #va_list of parameters for the message format + * + * Creates a new #GError with the given @domain and @code, + * and a message formatted with @format. + * + * Returns: a new #GError + * + * Since: 2.22 + */ +GError* +g_error_new_valist (GQuark domain, + gint code, + const gchar *format, + va_list args) +{ + GError *error; + + error = g_slice_new (GError); + + error->domain = domain; + error->code = code; + error->message = g_strdup_vprintf (format, args); + + return error; +} + +/** + * g_error_new: + * @domain: error domain + * @code: error code + * @format: printf()-style format for error message + * @...: parameters for message format + * + * Creates a new #GError with the given @domain and @code, + * and a message formatted with @format. + * + * Return value: a new #GError + */ +GError* +g_error_new (GQuark domain, + gint code, + const gchar *format, + ...) +{ + GError* error; + va_list args; + + g_return_val_if_fail (format != NULL, NULL); + g_return_val_if_fail (domain != 0, NULL); + + va_start (args, format); + error = g_error_new_valist (domain, code, format, args); + va_end (args); + + return error; +} + +/** + * g_error_new_literal: + * @domain: error domain + * @code: error code + * @message: error message + * + * Creates a new #GError; unlike g_error_new(), @message is + * not a printf()-style format string. Use this function if + * @message contains text you don't have control over, + * that could include printf() escape sequences. + * + * Return value: a new #GError + **/ +GError* +g_error_new_literal (GQuark domain, + gint code, + const gchar *message) +{ + GError* err; + + g_return_val_if_fail (message != NULL, NULL); + g_return_val_if_fail (domain != 0, NULL); + + err = g_slice_new (GError); + + err->domain = domain; + err->code = code; + err->message = g_strdup (message); + + return err; +} + +/** + * g_error_free: + * @error: a #GError + * + * Frees a #GError and associated resources. + */ +void +g_error_free (GError *error) +{ + g_return_if_fail (error != NULL); + + g_free (error->message); + + g_slice_free (GError, error); +} + +/** + * g_error_copy: + * @error: a #GError + * + * Makes a copy of @error. + * + * Return value: a new #GError + */ +GError* +g_error_copy (const GError *error) +{ + GError *copy; + + g_return_val_if_fail (error != NULL, NULL); + + copy = g_slice_new (GError); + + *copy = *error; + + copy->message = g_strdup (error->message); + + return copy; +} + +/** + * g_error_matches: + * @error: a #GError or %NULL + * @domain: an error domain + * @code: an error code + * + * Returns %TRUE if @error matches @domain and @code, %FALSE + * otherwise. In particular, when @error is %NULL, %FALSE will + * be returned. + * + * Return value: whether @error has @domain and @code + */ +gboolean +g_error_matches (const GError *error, + GQuark domain, + gint code) +{ + return error && + error->domain == domain && + error->code == code; +} + +#define ERROR_OVERWRITTEN_WARNING "GError set over the top of a previous GError or uninitialized memory.\n" \ + "This indicates a bug in someone's code. You must ensure an error is NULL before it's set.\n" \ + "The overwriting error message was: %s" + +/** + * g_set_error: + * @err: a return location for a #GError, or %NULL + * @domain: error domain + * @code: error code + * @format: printf()-style format + * @...: args for @format + * + * Does nothing if @err is %NULL; if @err is non-%NULL, then *@err + * must be %NULL. A new #GError is created and assigned to *@err. + */ +void +g_set_error (GError **err, + GQuark domain, + gint code, + const gchar *format, + ...) +{ + GError *new; + + va_list args; + + if (err == NULL) + return; + + va_start (args, format); + new = g_error_new_valist (domain, code, format, args); + va_end (args); + + if (*err == NULL) + *err = new; + else + g_warning (ERROR_OVERWRITTEN_WARNING, new->message); +} + +/** + * g_set_error_literal: + * @err: a return location for a #GError, or %NULL + * @domain: error domain + * @code: error code + * @message: error message + * + * Does nothing if @err is %NULL; if @err is non-%NULL, then *@err + * must be %NULL. A new #GError is created and assigned to *@err. + * Unlike g_set_error(), @message is not a printf()-style format string. + * Use this function if @message contains text you don't have control over, + * that could include printf() escape sequences. + * + * Since: 2.18 + */ +void +g_set_error_literal (GError **err, + GQuark domain, + gint code, + const gchar *message) +{ + GError *new; + + if (err == NULL) + return; + + new = g_error_new_literal (domain, code, message); + if (*err == NULL) + *err = new; + else + g_warning (ERROR_OVERWRITTEN_WARNING, new->message); +} + +/** + * g_propagate_error: + * @dest: error return location + * @src: error to move into the return location + * + * If @dest is %NULL, free @src; otherwise, moves @src into *@dest. + * The error variable @dest points to must be %NULL. + */ +void +g_propagate_error (GError **dest, + GError *src) +{ + g_return_if_fail (src != NULL); + + if (dest == NULL) + { + if (src) + g_error_free (src); + return; + } + else + { + if (*dest != NULL) + g_warning (ERROR_OVERWRITTEN_WARNING, src->message); + else + *dest = src; + } +} + +/** + * g_clear_error: + * @err: a #GError return location + * + * If @err is %NULL, does nothing. If @err is non-%NULL, + * calls g_error_free() on *@err and sets *@err to %NULL. + */ +void +g_clear_error (GError **err) +{ + if (err && *err) + { + g_error_free (*err); + *err = NULL; + } +} + +static void +g_error_add_prefix (gchar **string, + const gchar *format, + va_list ap) +{ + gchar *oldstring; + gchar *prefix; + + prefix = g_strdup_vprintf (format, ap); + oldstring = *string; + *string = g_strconcat (prefix, oldstring, NULL); + g_free (oldstring); + g_free (prefix); +} + +/** + * g_prefix_error: + * @err: a return location for a #GError, or %NULL + * @format: printf()-style format string + * @...: arguments to @format + * + * Formats a string according to @format and + * prefix it to an existing error message. If + * @err is %NULL (ie: no error variable) then do + * nothing. + * + * If *@err is %NULL (ie: an error variable is + * present but there is no error condition) then + * also do nothing. Whether or not it makes + * sense to take advantage of this feature is up + * to you. + * + * Since: 2.16 + */ +void +g_prefix_error (GError **err, + const gchar *format, + ...) +{ + if (err && *err) + { + va_list ap; + + va_start (ap, format); + g_error_add_prefix (&(*err)->message, format, ap); + va_end (ap); + } +} + +/** + * g_propagate_prefixed_error: + * @dest: error return location + * @src: error to move into the return location + * @format: printf()-style format string + * @...: arguments to @format + * + * If @dest is %NULL, free @src; otherwise, + * moves @src into *@dest. *@dest must be %NULL. + * After the move, add a prefix as with + * g_prefix_error(). + * + * Since: 2.16 + **/ +void +g_propagate_prefixed_error (GError **dest, + GError *src, + const gchar *format, + ...) +{ + g_propagate_error (dest, src); + + if (dest && *dest) + { + va_list ap; + + va_start (ap, format); + g_error_add_prefix (&(*dest)->message, format, ap); + va_end (ap); + } +} diff --git a/deps/glib/gerror.h b/deps/glib/gerror.h new file mode 100644 index 0000000..871f310 --- /dev/null +++ b/deps/glib/gerror.h @@ -0,0 +1,107 @@ +/* gerror.h - Error reporting system + * + * Copyright 2000 Red Hat, Inc. + * + * The Gnome Library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * The Gnome Library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the Gnome Library; see the file COPYING.LIB. If not, + * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_ERROR_H__ +#define __G_ERROR_H__ + +#include + +#include + +G_BEGIN_DECLS + +/** + * GError: + * @domain: error domain, e.g. #G_FILE_ERROR + * @code: error code, e.g. %G_FILE_ERROR_NOENT + * @message: human-readable informative error message + * + * The GError structure contains + * information about an error that has occurred. + */ +typedef struct _GError GError; + +struct _GError +{ + GQuark domain; + gint code; + gchar *message; +}; + +GError* g_error_new (GQuark domain, + gint code, + const gchar *format, + ...) G_GNUC_PRINTF (3, 4); + +GError* g_error_new_literal (GQuark domain, + gint code, + const gchar *message); +GError* g_error_new_valist (GQuark domain, + gint code, + const gchar *format, + va_list args); + +void g_error_free (GError *error); +GError* g_error_copy (const GError *error); + +gboolean g_error_matches (const GError *error, + GQuark domain, + gint code); + +/* if (err) *err = g_error_new(domain, code, format, ...), also has + * some sanity checks. + */ +void g_set_error (GError **err, + GQuark domain, + gint code, + const gchar *format, + ...) G_GNUC_PRINTF (4, 5); + +void g_set_error_literal (GError **err, + GQuark domain, + gint code, + const gchar *message); + +/* if (dest) *dest = src; also has some sanity checks. + */ +void g_propagate_error (GError **dest, + GError *src); + +/* if (err && *err) { g_error_free(*err); *err = NULL; } */ +void g_clear_error (GError **err); + +/* if (err) prefix the formatted string to the ->message */ +void g_prefix_error (GError **err, + const gchar *format, + ...) G_GNUC_PRINTF (2, 3); + +/* g_propagate_error then g_error_prefix on dest */ +void g_propagate_prefixed_error (GError **dest, + GError *src, + const gchar *format, + ...) G_GNUC_PRINTF (3, 4); + +G_END_DECLS + +#endif /* __G_ERROR_H__ */ diff --git a/deps/glib/gfileutils.c b/deps/glib/gfileutils.c new file mode 100644 index 0000000..062c691 --- /dev/null +++ b/deps/glib/gfileutils.c @@ -0,0 +1,2328 @@ +/* gfileutils.c - File utility functions + * + * Copyright 2000 Red Hat, Inc. + * + * GLib is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * GLib is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with GLib; see the file COPYING.LIB. If not, + * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "config.h" +#include "glibconfig.h" + +#include +#ifdef HAVE_UNISTD_H +#include +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef G_OS_WIN32 +#include +#include +#endif /* G_OS_WIN32 */ + +#ifndef S_ISLNK +#define S_ISLNK(x) 0 +#endif + +#ifndef O_BINARY +#define O_BINARY 0 +#endif + +#include "gfileutils.h" + +#include "gstdio.h" +#include "glibintl.h" +#include "gconvert.h" +#include "gmain.h" + +#ifdef HAVE_LINUX_MAGIC_H /* for btrfs check */ +#include +#include +#endif + +/** + * g_mkdir_with_parents: + * @pathname: a pathname in the GLib file name encoding + * @mode: permissions to use for newly created directories + * + * Create a directory if it doesn't already exist. Create intermediate + * parent directories as needed, too. + * + * Returns: 0 if the directory already exists, or was successfully + * created. Returns -1 if an error occurred, with errno set. + * + * Since: 2.8 + */ +int +g_mkdir_with_parents (const gchar *pathname, + int mode) +{ + gchar *fn, *p; + + if (pathname == NULL || *pathname == '\0') + { + errno = EINVAL; + return -1; + } + + fn = g_strdup (pathname); + + if (g_path_is_absolute (fn)) + p = (gchar *) g_path_skip_root (fn); + else + p = fn; + + do + { + while (*p && !G_IS_DIR_SEPARATOR (*p)) + p++; + + if (!*p) + p = NULL; + else + *p = '\0'; + + if (!g_file_test (fn, G_FILE_TEST_EXISTS)) + { + if (g_mkdir (fn, mode) == -1 && errno != EEXIST) + { + int errno_save = errno; + g_free (fn); + errno = errno_save; + return -1; + } + } + else if (!g_file_test (fn, G_FILE_TEST_IS_DIR)) + { + g_free (fn); + errno = ENOTDIR; + return -1; + } + if (p) + { + *p++ = G_DIR_SEPARATOR; + while (*p && G_IS_DIR_SEPARATOR (*p)) + p++; + } + } + while (p); + + g_free (fn); + + return 0; +} + +/** + * g_file_test: + * @filename: a filename to test in the GLib file name encoding + * @test: bitfield of #GFileTest flags + * + * Returns %TRUE if any of the tests in the bitfield @test are + * %TRUE. For example, (G_FILE_TEST_EXISTS | + * G_FILE_TEST_IS_DIR) will return %TRUE if the file exists; + * the check whether it's a directory doesn't matter since the existence + * test is %TRUE. With the current set of available tests, there's no point + * passing in more than one test at a time. + * + * Apart from %G_FILE_TEST_IS_SYMLINK all tests follow symbolic links, + * so for a symbolic link to a regular file g_file_test() will return + * %TRUE for both %G_FILE_TEST_IS_SYMLINK and %G_FILE_TEST_IS_REGULAR. + * + * Note, that for a dangling symbolic link g_file_test() will return + * %TRUE for %G_FILE_TEST_IS_SYMLINK and %FALSE for all other flags. + * + * You should never use g_file_test() to test whether it is safe + * to perform an operation, because there is always the possibility + * of the condition changing before you actually perform the operation. + * For example, you might think you could use %G_FILE_TEST_IS_SYMLINK + * to know whether it is safe to write to a file without being + * tricked into writing into a different location. It doesn't work! + * |[ + * /* DON'T DO THIS */ + * if (!g_file_test (filename, G_FILE_TEST_IS_SYMLINK)) + * { + * fd = g_open (filename, O_WRONLY); + * /* write to fd */ + * } + * ]| + * + * Another thing to note is that %G_FILE_TEST_EXISTS and + * %G_FILE_TEST_IS_EXECUTABLE are implemented using the access() + * system call. This usually doesn't matter, but if your program + * is setuid or setgid it means that these tests will give you + * the answer for the real user ID and group ID, rather than the + * effective user ID and group ID. + * + * On Windows, there are no symlinks, so testing for + * %G_FILE_TEST_IS_SYMLINK will always return %FALSE. Testing for + * %G_FILE_TEST_IS_EXECUTABLE will just check that the file exists and + * its name indicates that it is executable, checking for well-known + * extensions and those listed in the %PATHEXT environment variable. + * + * Return value: whether a test was %TRUE + **/ +gboolean +g_file_test (const gchar *filename, + GFileTest test) +{ +#ifdef G_OS_WIN32 +/* stuff missing in std vc6 api */ +# ifndef INVALID_FILE_ATTRIBUTES +# define INVALID_FILE_ATTRIBUTES -1 +# endif +# ifndef FILE_ATTRIBUTE_DEVICE +# define FILE_ATTRIBUTE_DEVICE 64 +# endif + int attributes; + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + + if (wfilename == NULL) + return FALSE; + + attributes = GetFileAttributesW (wfilename); + + g_free (wfilename); + + if (attributes == INVALID_FILE_ATTRIBUTES) + return FALSE; + + if (test & G_FILE_TEST_EXISTS) + return TRUE; + + if (test & G_FILE_TEST_IS_REGULAR) + { + if ((attributes & (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_DEVICE)) == 0) + return TRUE; + } + + if (test & G_FILE_TEST_IS_DIR) + { + if ((attributes & FILE_ATTRIBUTE_DIRECTORY) != 0) + return TRUE; + } + + /* "while" so that we can exit this "loop" with a simple "break" */ + while (test & G_FILE_TEST_IS_EXECUTABLE) + { + const gchar *lastdot = strrchr (filename, '.'); + const gchar *pathext = NULL, *p; + int extlen; + + if (lastdot == NULL) + break; + + if (_stricmp (lastdot, ".exe") == 0 || + _stricmp (lastdot, ".cmd") == 0 || + _stricmp (lastdot, ".bat") == 0 || + _stricmp (lastdot, ".com") == 0) + return TRUE; + + /* Check if it is one of the types listed in %PATHEXT% */ + + pathext = g_getenv ("PATHEXT"); + if (pathext == NULL) + break; + + pathext = g_utf8_casefold (pathext, -1); + + lastdot = g_utf8_casefold (lastdot, -1); + extlen = strlen (lastdot); + + p = pathext; + while (TRUE) + { + const gchar *q = strchr (p, ';'); + if (q == NULL) + q = p + strlen (p); + if (extlen == q - p && + memcmp (lastdot, p, extlen) == 0) + { + g_free ((gchar *) pathext); + g_free ((gchar *) lastdot); + return TRUE; + } + if (*q) + p = q + 1; + else + break; + } + + g_free ((gchar *) pathext); + g_free ((gchar *) lastdot); + break; + } + + return FALSE; +#else + if ((test & G_FILE_TEST_EXISTS) && (access (filename, F_OK) == 0)) + return TRUE; + + if ((test & G_FILE_TEST_IS_EXECUTABLE) && (access (filename, X_OK) == 0)) + { + if (getuid () != 0) + return TRUE; + + /* For root, on some POSIX systems, access (filename, X_OK) + * will succeed even if no executable bits are set on the + * file. We fall through to a stat test to avoid that. + */ + } + else + test &= ~G_FILE_TEST_IS_EXECUTABLE; + + if (test & G_FILE_TEST_IS_SYMLINK) + { + struct stat s; + + if ((lstat (filename, &s) == 0) && S_ISLNK (s.st_mode)) + return TRUE; + } + + if (test & (G_FILE_TEST_IS_REGULAR | + G_FILE_TEST_IS_DIR | + G_FILE_TEST_IS_EXECUTABLE)) + { + struct stat s; + + if (stat (filename, &s) == 0) + { + if ((test & G_FILE_TEST_IS_REGULAR) && S_ISREG (s.st_mode)) + return TRUE; + + if ((test & G_FILE_TEST_IS_DIR) && S_ISDIR (s.st_mode)) + return TRUE; + + /* The extra test for root when access (file, X_OK) succeeds. + */ + if ((test & G_FILE_TEST_IS_EXECUTABLE) && + ((s.st_mode & S_IXOTH) || + (s.st_mode & S_IXUSR) || + (s.st_mode & S_IXGRP))) + return TRUE; + } + } + + return FALSE; +#endif +} + +GQuark +g_file_error_quark (void) +{ + return g_quark_from_static_string ("g-file-error-quark"); +} + +/** + * g_file_error_from_errno: + * @err_no: an "errno" value + * + * Gets a #GFileError constant based on the passed-in @errno. + * For example, if you pass in %EEXIST this function returns + * #G_FILE_ERROR_EXIST. Unlike @errno values, you can portably + * assume that all #GFileError values will exist. + * + * Normally a #GFileError value goes into a #GError returned + * from a function that manipulates files. So you would use + * g_file_error_from_errno() when constructing a #GError. + * + * Return value: #GFileError corresponding to the given @errno + **/ +GFileError +g_file_error_from_errno (gint err_no) +{ + switch (err_no) + { +#ifdef EEXIST + case EEXIST: + return G_FILE_ERROR_EXIST; + break; +#endif + +#ifdef EISDIR + case EISDIR: + return G_FILE_ERROR_ISDIR; + break; +#endif + +#ifdef EACCES + case EACCES: + return G_FILE_ERROR_ACCES; + break; +#endif + +#ifdef ENAMETOOLONG + case ENAMETOOLONG: + return G_FILE_ERROR_NAMETOOLONG; + break; +#endif + +#ifdef ENOENT + case ENOENT: + return G_FILE_ERROR_NOENT; + break; +#endif + +#ifdef ENOTDIR + case ENOTDIR: + return G_FILE_ERROR_NOTDIR; + break; +#endif + +#ifdef ENXIO + case ENXIO: + return G_FILE_ERROR_NXIO; + break; +#endif + +#ifdef ENODEV + case ENODEV: + return G_FILE_ERROR_NODEV; + break; +#endif + +#ifdef EROFS + case EROFS: + return G_FILE_ERROR_ROFS; + break; +#endif + +#ifdef ETXTBSY + case ETXTBSY: + return G_FILE_ERROR_TXTBSY; + break; +#endif + +#ifdef EFAULT + case EFAULT: + return G_FILE_ERROR_FAULT; + break; +#endif + +#ifdef ELOOP + case ELOOP: + return G_FILE_ERROR_LOOP; + break; +#endif + +#ifdef ENOSPC + case ENOSPC: + return G_FILE_ERROR_NOSPC; + break; +#endif + +#ifdef ENOMEM + case ENOMEM: + return G_FILE_ERROR_NOMEM; + break; +#endif + +#ifdef EMFILE + case EMFILE: + return G_FILE_ERROR_MFILE; + break; +#endif + +#ifdef ENFILE + case ENFILE: + return G_FILE_ERROR_NFILE; + break; +#endif + +#ifdef EBADF + case EBADF: + return G_FILE_ERROR_BADF; + break; +#endif + +#ifdef EINVAL + case EINVAL: + return G_FILE_ERROR_INVAL; + break; +#endif + +#ifdef EPIPE + case EPIPE: + return G_FILE_ERROR_PIPE; + break; +#endif + +#ifdef EAGAIN + case EAGAIN: + return G_FILE_ERROR_AGAIN; + break; +#endif + +#ifdef EINTR + case EINTR: + return G_FILE_ERROR_INTR; + break; +#endif + +#ifdef EIO + case EIO: + return G_FILE_ERROR_IO; + break; +#endif + +#ifdef EPERM + case EPERM: + return G_FILE_ERROR_PERM; + break; +#endif + +#ifdef ENOSYS + case ENOSYS: + return G_FILE_ERROR_NOSYS; + break; +#endif + + default: + return G_FILE_ERROR_FAILED; + break; + } +} + +static gboolean +get_contents_stdio (const gchar *display_filename, + FILE *f, + gchar **contents, + gsize *length, + GError **error) +{ + gchar buf[4096]; + gsize bytes; + gchar *str = NULL; + gsize total_bytes = 0; + gsize total_allocated = 0; + gchar *tmp; + + g_assert (f != NULL); + + while (!feof (f)) + { + gint save_errno; + + bytes = fread (buf, 1, sizeof (buf), f); + save_errno = errno; + + while ((total_bytes + bytes + 1) > total_allocated) + { + if (str) + total_allocated *= 2; + else + total_allocated = MIN (bytes + 1, sizeof (buf)); + + tmp = g_try_realloc (str, total_allocated); + + if (tmp == NULL) + { + g_set_error (error, + G_FILE_ERROR, + G_FILE_ERROR_NOMEM, + _("Could not allocate %lu bytes to read file \"%s\""), + (gulong) total_allocated, + display_filename); + + goto error; + } + + str = tmp; + } + + if (ferror (f)) + { + g_set_error (error, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Error reading file '%s': %s"), + display_filename, + g_strerror (save_errno)); + + goto error; + } + + memcpy (str + total_bytes, buf, bytes); + + if (total_bytes + bytes < total_bytes) + { + g_set_error (error, + G_FILE_ERROR, + G_FILE_ERROR_FAILED, + _("File \"%s\" is too large"), + display_filename); + + goto error; + } + + total_bytes += bytes; + } + + fclose (f); + + if (total_allocated == 0) + { + str = g_new (gchar, 1); + total_bytes = 0; + } + + str[total_bytes] = '\0'; + + if (length) + *length = total_bytes; + + *contents = str; + + return TRUE; + + error: + + g_free (str); + fclose (f); + + return FALSE; +} + +#ifndef G_OS_WIN32 + +static gboolean +get_contents_regfile (const gchar *display_filename, + struct stat *stat_buf, + gint fd, + gchar **contents, + gsize *length, + GError **error) +{ + gchar *buf; + gsize bytes_read; + gsize size; + gsize alloc_size; + + size = stat_buf->st_size; + + alloc_size = size + 1; + buf = g_try_malloc (alloc_size); + + if (buf == NULL) + { + g_set_error (error, + G_FILE_ERROR, + G_FILE_ERROR_NOMEM, + _("Could not allocate %lu bytes to read file \"%s\""), + (gulong) alloc_size, + display_filename); + + goto error; + } + + bytes_read = 0; + while (bytes_read < size) + { + gssize rc; + + rc = read (fd, buf + bytes_read, size - bytes_read); + + if (rc < 0) + { + if (errno != EINTR) + { + int save_errno = errno; + + g_free (buf); + g_set_error (error, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to read from file '%s': %s"), + display_filename, + g_strerror (save_errno)); + + goto error; + } + } + else if (rc == 0) + break; + else + bytes_read += rc; + } + + buf[bytes_read] = '\0'; + + if (length) + *length = bytes_read; + + *contents = buf; + + close (fd); + + return TRUE; + + error: + + close (fd); + + return FALSE; +} + +static gboolean +get_contents_posix (const gchar *filename, + gchar **contents, + gsize *length, + GError **error) +{ + struct stat stat_buf; + gint fd; + gchar *display_filename = g_filename_display_name (filename); + + /* O_BINARY useful on Cygwin */ + fd = open (filename, O_RDONLY|O_BINARY); + + if (fd < 0) + { + int save_errno = errno; + + g_set_error (error, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to open file '%s': %s"), + display_filename, + g_strerror (save_errno)); + g_free (display_filename); + + return FALSE; + } + + /* I don't think this will ever fail, aside from ENOMEM, but. */ + if (fstat (fd, &stat_buf) < 0) + { + int save_errno = errno; + + close (fd); + g_set_error (error, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to get attributes of file '%s': fstat() failed: %s"), + display_filename, + g_strerror (save_errno)); + g_free (display_filename); + + return FALSE; + } + + if (stat_buf.st_size > 0 && S_ISREG (stat_buf.st_mode)) + { + gboolean retval = get_contents_regfile (display_filename, + &stat_buf, + fd, + contents, + length, + error); + g_free (display_filename); + + return retval; + } + else + { + FILE *f; + gboolean retval; + + f = fdopen (fd, "r"); + + if (f == NULL) + { + int save_errno = errno; + + g_set_error (error, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to open file '%s': fdopen() failed: %s"), + display_filename, + g_strerror (save_errno)); + g_free (display_filename); + + return FALSE; + } + + retval = get_contents_stdio (display_filename, f, contents, length, error); + g_free (display_filename); + + return retval; + } +} + +#else /* G_OS_WIN32 */ + +static gboolean +get_contents_win32 (const gchar *filename, + gchar **contents, + gsize *length, + GError **error) +{ + FILE *f; + gboolean retval; + gchar *display_filename = g_filename_display_name (filename); + int save_errno; + + f = g_fopen (filename, "rb"); + save_errno = errno; + + if (f == NULL) + { + g_set_error (error, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to open file '%s': %s"), + display_filename, + g_strerror (save_errno)); + g_free (display_filename); + + return FALSE; + } + + retval = get_contents_stdio (display_filename, f, contents, length, error); + g_free (display_filename); + + return retval; +} + +#endif + +/** + * g_file_get_contents: + * @filename: (type filename): name of a file to read contents from, in the GLib file name encoding + * @contents: (out) (array length=length) (element-type guint8): location to store an allocated string, use g_free() to free + * the returned string + * @length: (allow-none): location to store length in bytes of the contents, or %NULL + * @error: return location for a #GError, or %NULL + * + * Reads an entire file into allocated memory, with good error + * checking. + * + * If the call was successful, it returns %TRUE and sets @contents to the file + * contents and @length to the length of the file contents in bytes. The string + * stored in @contents will be nul-terminated, so for text files you can pass + * %NULL for the @length argument. If the call was not successful, it returns + * %FALSE and sets @error. The error domain is #G_FILE_ERROR. Possible error + * codes are those in the #GFileError enumeration. In the error case, + * @contents is set to %NULL and @length is set to zero. + * + * Return value: %TRUE on success, %FALSE if an error occurred + **/ +gboolean +g_file_get_contents (const gchar *filename, + gchar **contents, + gsize *length, + GError **error) +{ + g_return_val_if_fail (filename != NULL, FALSE); + g_return_val_if_fail (contents != NULL, FALSE); + + *contents = NULL; + if (length) + *length = 0; + +#ifdef G_OS_WIN32 + return get_contents_win32 (filename, contents, length, error); +#else + return get_contents_posix (filename, contents, length, error); +#endif +} + +static gboolean +rename_file (const char *old_name, + const char *new_name, + GError **err) +{ + errno = 0; + if (g_rename (old_name, new_name) == -1) + { + int save_errno = errno; + gchar *display_old_name = g_filename_display_name (old_name); + gchar *display_new_name = g_filename_display_name (new_name); + + g_set_error (err, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to rename file '%s' to '%s': g_rename() failed: %s"), + display_old_name, + display_new_name, + g_strerror (save_errno)); + + g_free (display_old_name); + g_free (display_new_name); + + return FALSE; + } + + return TRUE; +} + +static gchar * +write_to_temp_file (const gchar *contents, + gssize length, + const gchar *dest_file, + GError **err) +{ + gchar *tmp_name; + gchar *display_name; + gchar *retval; + FILE *file; + gint fd; + int save_errno; + + retval = NULL; + + tmp_name = g_strdup_printf ("%s.XXXXXX", dest_file); + + errno = 0; + fd = g_mkstemp_full (tmp_name, O_RDWR | O_BINARY, 0666); + save_errno = errno; + + display_name = g_filename_display_name (tmp_name); + + if (fd == -1) + { + g_set_error (err, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to create file '%s': %s"), + display_name, g_strerror (save_errno)); + + goto out; + } + + errno = 0; + file = fdopen (fd, "wb"); + if (!file) + { + save_errno = errno; + g_set_error (err, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to open file '%s' for writing: fdopen() failed: %s"), + display_name, + g_strerror (save_errno)); + + close (fd); + g_unlink (tmp_name); + + goto out; + } + + if (length > 0) + { + gsize n_written; + + errno = 0; + + n_written = fwrite (contents, 1, length, file); + + if (n_written < length) + { + save_errno = errno; + + g_set_error (err, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to write file '%s': fwrite() failed: %s"), + display_name, + g_strerror (save_errno)); + + fclose (file); + g_unlink (tmp_name); + + goto out; + } + } + + errno = 0; + if (fflush (file) != 0) + { + save_errno = errno; + + g_set_error (err, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to write file '%s': fflush() failed: %s"), + display_name, + g_strerror (save_errno)); + + fclose (file); + g_unlink (tmp_name); + + goto out; + } + +#ifdef BTRFS_SUPER_MAGIC + { + struct statfs buf; + + /* On Linux, on btrfs, skip the fsync since rename-over-existing is + * guaranteed to be atomic and this is the only case in which we + * would fsync() anyway. + */ + + if (fstatfs (fd, &buf) == 0 && buf.f_type == BTRFS_SUPER_MAGIC) + goto no_fsync; + } +#endif + +#ifdef HAVE_FSYNC + { + struct stat statbuf; + + errno = 0; + /* If the final destination exists and is > 0 bytes, we want to sync the + * newly written file to ensure the data is on disk when we rename over + * the destination. Otherwise if we get a system crash we can lose both + * the new and the old file on some filesystems. (I.E. those that don't + * guarantee the data is written to the disk before the metadata.) + */ + if (g_lstat (dest_file, &statbuf) == 0 && + statbuf.st_size > 0 && + fsync (fileno (file)) != 0) + { + save_errno = errno; + + g_set_error (err, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to write file '%s': fsync() failed: %s"), + display_name, + g_strerror (save_errno)); + + fclose (file); + g_unlink (tmp_name); + + goto out; + } + } +#endif + +#ifdef BTRFS_SUPER_MAGIC + no_fsync: +#endif + + errno = 0; + if (fclose (file) == EOF) + { + save_errno = errno; + + g_set_error (err, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to close file '%s': fclose() failed: %s"), + display_name, + g_strerror (save_errno)); + + fclose (file); + g_unlink (tmp_name); + + goto out; + } + + retval = g_strdup (tmp_name); + + out: + g_free (tmp_name); + g_free (display_name); + + return retval; +} + +/** + * g_file_set_contents: + * @filename: (type filename): name of a file to write @contents to, in the GLib file name + * encoding + * @contents: (array length=length) (element-type guint8): string to write to the file + * @length: length of @contents, or -1 if @contents is a nul-terminated string + * @error: return location for a #GError, or %NULL + * + * Writes all of @contents to a file named @filename, with good error checking. + * If a file called @filename already exists it will be overwritten. + * + * This write is atomic in the sense that it is first written to a temporary + * file which is then renamed to the final name. Notes: + * + * + * On Unix, if @filename already exists hard links to @filename will break. + * Also since the file is recreated, existing permissions, access control + * lists, metadata etc. may be lost. If @filename is a symbolic link, + * the link itself will be replaced, not the linked file. + * + * + * On Windows renaming a file will not remove an existing file with the + * new name, so on Windows there is a race condition between the existing + * file being removed and the temporary file being renamed. + * + * + * On Windows there is no way to remove a file that is open to some + * process, or mapped into memory. Thus, this function will fail if + * @filename already exists and is open. + * + * + * + * If the call was successful, it returns %TRUE. If the call was not successful, + * it returns %FALSE and sets @error. The error domain is #G_FILE_ERROR. + * Possible error codes are those in the #GFileError enumeration. + * + * Note that the name for the temporary file is constructed by appending up + * to 7 characters to @filename. + * + * Return value: %TRUE on success, %FALSE if an error occurred + * + * Since: 2.8 + **/ +gboolean +g_file_set_contents (const gchar *filename, + const gchar *contents, + gssize length, + GError **error) +{ + gchar *tmp_filename; + gboolean retval; + GError *rename_error = NULL; + + g_return_val_if_fail (filename != NULL, FALSE); + g_return_val_if_fail (error == NULL || *error == NULL, FALSE); + g_return_val_if_fail (contents != NULL || length == 0, FALSE); + g_return_val_if_fail (length >= -1, FALSE); + + if (length == -1) + length = strlen (contents); + + tmp_filename = write_to_temp_file (contents, length, filename, error); + + if (!tmp_filename) + { + retval = FALSE; + goto out; + } + + if (!rename_file (tmp_filename, filename, &rename_error)) + { +#ifndef G_OS_WIN32 + + g_unlink (tmp_filename); + g_propagate_error (error, rename_error); + retval = FALSE; + goto out; + +#else /* G_OS_WIN32 */ + + /* Renaming failed, but on Windows this may just mean + * the file already exists. So if the target file + * exists, try deleting it and do the rename again. + */ + if (!g_file_test (filename, G_FILE_TEST_EXISTS)) + { + g_unlink (tmp_filename); + g_propagate_error (error, rename_error); + retval = FALSE; + goto out; + } + + g_error_free (rename_error); + + if (g_unlink (filename) == -1) + { + gchar *display_filename = g_filename_display_name (filename); + + int save_errno = errno; + + g_set_error (error, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Existing file '%s' could not be removed: g_unlink() failed: %s"), + display_filename, + g_strerror (save_errno)); + + g_free (display_filename); + g_unlink (tmp_filename); + retval = FALSE; + goto out; + } + + if (!rename_file (tmp_filename, filename, error)) + { + g_unlink (tmp_filename); + retval = FALSE; + goto out; + } + +#endif + } + + retval = TRUE; + + out: + g_free (tmp_filename); + return retval; +} + +/* + * get_tmp_file based on the mkstemp implementation from the GNU C library. + * Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc. + */ +typedef gint (*GTmpFileCallback) (gchar *, gint, gint); + +static gint +get_tmp_file (gchar *tmpl, + GTmpFileCallback f, + int flags, + int mode) +{ + char *XXXXXX; + int count, fd; + static const char letters[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; + static const int NLETTERS = sizeof (letters) - 1; + glong value; + GTimeVal tv; + static int counter = 0; + + g_return_val_if_fail (tmpl != NULL, -1); + + /* find the last occurrence of "XXXXXX" */ + XXXXXX = g_strrstr (tmpl, "XXXXXX"); + + if (!XXXXXX || strncmp (XXXXXX, "XXXXXX", 6)) + { + errno = EINVAL; + return -1; + } + + /* Get some more or less random data. */ + g_get_current_time (&tv); + value = (tv.tv_usec ^ tv.tv_sec) + counter++; + + for (count = 0; count < 100; value += 7777, ++count) + { + glong v = value; + + /* Fill in the random bits. */ + XXXXXX[0] = letters[v % NLETTERS]; + v /= NLETTERS; + XXXXXX[1] = letters[v % NLETTERS]; + v /= NLETTERS; + XXXXXX[2] = letters[v % NLETTERS]; + v /= NLETTERS; + XXXXXX[3] = letters[v % NLETTERS]; + v /= NLETTERS; + XXXXXX[4] = letters[v % NLETTERS]; + v /= NLETTERS; + XXXXXX[5] = letters[v % NLETTERS]; + + fd = f (tmpl, flags, mode); + + if (fd >= 0) + return fd; + else if (errno != EEXIST) + /* Any other error will apply also to other names we might + * try, and there are 2^32 or so of them, so give up now. + */ + return -1; + } + + /* We got out of the loop because we ran out of combinations to try. */ + errno = EEXIST; + return -1; +} + +gint +wrap_mkdir (gchar *tmpl, + int flags G_GNUC_UNUSED, + int mode) +{ + /* tmpl is in UTF-8 on Windows, thus use g_mkdir() */ + return g_mkdir (tmpl, mode); +} + +/** + * g_mkdtemp_full: + * @tmpl: (type filename): template directory name + * @mode: permissions to create the temporary directory with + * + * Creates a temporary directory. See the mkdtemp() documentation + * on most UNIX-like systems. + * + * The parameter is a string that should follow the rules for + * mkdtemp() templates, i.e. contain the string "XXXXXX". + * g_mkdtemp() is slightly more flexible than mkdtemp() in that the + * sequence does not have to occur at the very end of the template + * and you can pass a @mode. The X string will be modified to form + * the name of a directory that didn't exist. The string should be + * in the GLib file name encoding. Most importantly, on Windows it + * should be in UTF-8. + * + * Return value: A pointer to @tmpl, which has been modified + * to hold the directory name. In case of errors, %NULL is + * returned, and %errno will be set. + * + * Since: 2.26 + */ +gchar * +g_mkdtemp_full (gchar *tmpl, + gint mode) +{ + if (get_tmp_file (tmpl, wrap_mkdir, 0, mode) == -1) + return NULL; + else + return tmpl; +} + +/** + * g_mkdtemp: + * @tmpl: (type filename): template directory name + * + * Creates a temporary directory. See the mkdtemp() documentation + * on most UNIX-like systems. + * + * The parameter is a string that should follow the rules for + * mkdtemp() templates, i.e. contain the string "XXXXXX". + * g_mkdtemp() is slightly more flexible than mkdtemp() in that the + * sequence does not have to occur at the very end of the template + * and you can pass a @mode and additional @flags. The X string will + * be modified to form the name of a directory that didn't exist. + * The string should be in the GLib file name encoding. Most importantly, + * on Windows it should be in UTF-8. + * + * Return value: A pointer to @tmpl, which has been modified + * to hold the directory name. In case of errors, %NULL is + * returned and %errno will be set. + * + * Since: 2.26 + */ +gchar * +g_mkdtemp (gchar *tmpl) +{ + return g_mkdtemp_full (tmpl, 0700); +} + +/** + * g_mkstemp_full: + * @tmpl: (type filename): template filename + * @flags: flags to pass to an open() call in addition to O_EXCL + * and O_CREAT, which are passed automatically + * @mode: permissions to create the temporary file with + * + * Opens a temporary file. See the mkstemp() documentation + * on most UNIX-like systems. + * + * The parameter is a string that should follow the rules for + * mkstemp() templates, i.e. contain the string "XXXXXX". + * g_mkstemp_full() is slightly more flexible than mkstemp() + * in that the sequence does not have to occur at the very end of the + * template and you can pass a @mode and additional @flags. The X + * string will be modified to form the name of a file that didn't exist. + * The string should be in the GLib file name encoding. Most importantly, + * on Windows it should be in UTF-8. + * + * Return value: A file handle (as from open()) to the file + * opened for reading and writing. The file handle should be + * closed with close(). In case of errors, -1 is returned + * and %errno will be set. + * + * Since: 2.22 + */ +gint +g_mkstemp_full (gchar *tmpl, + gint flags, + gint mode) +{ + /* tmpl is in UTF-8 on Windows, thus use g_open() */ + return get_tmp_file (tmpl, (GTmpFileCallback) g_open, + flags | O_CREAT | O_EXCL, mode); +} + +/** + * g_mkstemp: + * @tmpl: (type filename): template filename + * + * Opens a temporary file. See the mkstemp() documentation + * on most UNIX-like systems. + * + * The parameter is a string that should follow the rules for + * mkstemp() templates, i.e. contain the string "XXXXXX". + * g_mkstemp() is slightly more flexible than mkstemp() in that the + * sequence does not have to occur at the very end of the template. + * The X string will be modified to form the name of a file that + * didn't exist. The string should be in the GLib file name encoding. + * Most importantly, on Windows it should be in UTF-8. + * + * Return value: A file handle (as from open()) to the file + * opened for reading and writing. The file is opened in binary + * mode on platforms where there is a difference. The file handle + * should be closed with close(). In case of errors, -1 is + * returned and %errno will be set. + */ +gint +g_mkstemp (gchar *tmpl) +{ + return g_mkstemp_full (tmpl, O_RDWR | O_BINARY, 0600); +} + +static gint +g_get_tmp_name (const gchar *tmpl, + gchar **name_used, + GTmpFileCallback f, + gint flags, + gint mode, + GError **error) +{ + int retval; + const char *tmpdir; + const char *sep; + char *fulltemplate; + const char *slash; + + if (tmpl == NULL) + tmpl = ".XXXXXX"; + + if ((slash = strchr (tmpl, G_DIR_SEPARATOR)) != NULL +#ifdef G_OS_WIN32 + || (strchr (tmpl, '/') != NULL && (slash = "/")) +#endif + ) + { + gchar *display_tmpl = g_filename_display_name (tmpl); + char c[2]; + c[0] = *slash; + c[1] = '\0'; + + g_set_error (error, + G_FILE_ERROR, + G_FILE_ERROR_FAILED, + _("Template '%s' invalid, should not contain a '%s'"), + display_tmpl, c); + g_free (display_tmpl); + + return -1; + } + + if (strstr (tmpl, "XXXXXX") == NULL) + { + gchar *display_tmpl = g_filename_display_name (tmpl); + g_set_error (error, + G_FILE_ERROR, + G_FILE_ERROR_FAILED, + _("Template '%s' doesn't contain XXXXXX"), + display_tmpl); + g_free (display_tmpl); + return -1; + } + + tmpdir = g_get_tmp_dir (); + + if (G_IS_DIR_SEPARATOR (tmpdir [strlen (tmpdir) - 1])) + sep = ""; + else + sep = G_DIR_SEPARATOR_S; + + fulltemplate = g_strconcat (tmpdir, sep, tmpl, NULL); + + retval = get_tmp_file (fulltemplate, f, flags, mode); + if (retval == -1) + { + int save_errno = errno; + gchar *display_fulltemplate = g_filename_display_name (fulltemplate); + + g_set_error (error, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to create file '%s': %s"), + display_fulltemplate, g_strerror (save_errno)); + g_free (display_fulltemplate); + g_free (fulltemplate); + return -1; + } + + *name_used = fulltemplate; + + return retval; +} + +/** + * g_file_open_tmp: + * @tmpl: (type filename) (allow-none): Template for file name, as in + * g_mkstemp(), basename only, or %NULL for a default template + * @name_used: (out) (type filename): location to store actual name used, + * or %NULL + * @error: return location for a #GError + * + * Opens a file for writing in the preferred directory for temporary + * files (as returned by g_get_tmp_dir()). + * + * @tmpl should be a string in the GLib file name encoding containing + * a sequence of six 'X' characters, as the parameter to g_mkstemp(). + * However, unlike these functions, the template should only be a + * basename, no directory components are allowed. If template is + * %NULL, a default template is used. + * + * Note that in contrast to g_mkstemp() (and mkstemp()) @tmpl is not + * modified, and might thus be a read-only literal string. + * + * Upon success, and if @name_used is non-%NULL, the actual name used + * is returned in @name_used. This string should be freed with g_free() + * when not needed any longer. The returned name is in the GLib file + * name encoding. + * + * Return value: A file handle (as from open()) to the file opened for + * reading and writing. The file is opened in binary mode on platforms + * where there is a difference. The file handle should be closed with + * close(). In case of errors, -1 is returned and @error will be set. + */ +gint +g_file_open_tmp (const gchar *tmpl, + gchar **name_used, + GError **error) +{ + gchar *fulltemplate; + gint result; + + result = g_get_tmp_name (tmpl, &fulltemplate, + (GTmpFileCallback) g_open, + O_CREAT | O_EXCL | O_RDWR | O_BINARY, + 0600, + error); + if (result != -1) + { + if (name_used) + *name_used = fulltemplate; + else + g_free (fulltemplate); + } + + return result; +} + +/** + * g_dir_make_tmp: + * @tmpl: (type filename) (allow-none): Template for directory name, + * as in g_mkdtemp(), basename only, or %NULL for a default template + * @error: return location for a #GError + * + * Creates a subdirectory in the preferred directory for temporary + * files (as returned by g_get_tmp_dir()). + * + * @tmpl should be a string in the GLib file name encoding containing + * a sequence of six 'X' characters, as the parameter to g_mkstemp(). + * However, unlike these functions, the template should only be a + * basename, no directory components are allowed. If template is + * %NULL, a default template is used. + * + * Note that in contrast to g_mkdtemp() (and mkdtemp()) @tmpl is not + * modified, and might thus be a read-only literal string. + * + * Return value: (type filename): The actual name used. This string + * should be freed with g_free() when not needed any longer and is + * is in the GLib file name encoding. In case of errors, %NULL is + * returned and @error will be set. + * + * Since: 2.30 + */ +gchar * +g_dir_make_tmp (const gchar *tmpl, + GError **error) +{ + gchar *fulltemplate; + + if (g_get_tmp_name (tmpl, &fulltemplate, wrap_mkdir, 0, 0700, error) == -1) + return NULL; + else + return fulltemplate; +} + +static gchar * +g_build_path_va (const gchar *separator, + const gchar *first_element, + va_list *args, + gchar **str_array) +{ + GString *result; + gint separator_len = strlen (separator); + gboolean is_first = TRUE; + gboolean have_leading = FALSE; + const gchar *single_element = NULL; + const gchar *next_element; + const gchar *last_trailing = NULL; + gint i = 0; + + result = g_string_new (NULL); + + if (str_array) + next_element = str_array[i++]; + else + next_element = first_element; + + while (TRUE) + { + const gchar *element; + const gchar *start; + const gchar *end; + + if (next_element) + { + element = next_element; + if (str_array) + next_element = str_array[i++]; + else + next_element = va_arg (*args, gchar *); + } + else + break; + + /* Ignore empty elements */ + if (!*element) + continue; + + start = element; + + if (separator_len) + { + while (strncmp (start, separator, separator_len) == 0) + start += separator_len; + } + + end = start + strlen (start); + + if (separator_len) + { + while (end >= start + separator_len && + strncmp (end - separator_len, separator, separator_len) == 0) + end -= separator_len; + + last_trailing = end; + while (last_trailing >= element + separator_len && + strncmp (last_trailing - separator_len, separator, separator_len) == 0) + last_trailing -= separator_len; + + if (!have_leading) + { + /* If the leading and trailing separator strings are in the + * same element and overlap, the result is exactly that element + */ + if (last_trailing <= start) + single_element = element; + + g_string_append_len (result, element, start - element); + have_leading = TRUE; + } + else + single_element = NULL; + } + + if (end == start) + continue; + + if (!is_first) + g_string_append (result, separator); + + g_string_append_len (result, start, end - start); + is_first = FALSE; + } + + if (single_element) + { + g_string_free (result, TRUE); + return g_strdup (single_element); + } + else + { + if (last_trailing) + g_string_append (result, last_trailing); + + return g_string_free (result, FALSE); + } +} + +/** + * g_build_pathv: + * @separator: a string used to separator the elements of the path. + * @args: (array zero-terminated=1): %NULL-terminated array of strings containing the path elements. + * + * Behaves exactly like g_build_path(), but takes the path elements + * as a string array, instead of varargs. This function is mainly + * meant for language bindings. + * + * Return value: a newly-allocated string that must be freed with g_free(). + * + * Since: 2.8 + */ +gchar * +g_build_pathv (const gchar *separator, + gchar **args) +{ + if (!args) + return NULL; + + return g_build_path_va (separator, NULL, NULL, args); +} + + +/** + * g_build_path: + * @separator: a string used to separator the elements of the path. + * @first_element: the first element in the path + * @...: remaining elements in path, terminated by %NULL + * + * Creates a path from a series of elements using @separator as the + * separator between elements. At the boundary between two elements, + * any trailing occurrences of separator in the first element, or + * leading occurrences of separator in the second element are removed + * and exactly one copy of the separator is inserted. + * + * Empty elements are ignored. + * + * The number of leading copies of the separator on the result is + * the same as the number of leading copies of the separator on + * the first non-empty element. + * + * The number of trailing copies of the separator on the result is + * the same as the number of trailing copies of the separator on + * the last non-empty element. (Determination of the number of + * trailing copies is done without stripping leading copies, so + * if the separator is ABA, ABABA + * has 1 trailing copy.) + * + * However, if there is only a single non-empty element, and there + * are no characters in that element not part of the leading or + * trailing separators, then the result is exactly the original value + * of that element. + * + * Other than for determination of the number of leading and trailing + * copies of the separator, elements consisting only of copies + * of the separator are ignored. + * + * Return value: a newly-allocated string that must be freed with g_free(). + **/ +gchar * +g_build_path (const gchar *separator, + const gchar *first_element, + ...) +{ + gchar *str; + va_list args; + + g_return_val_if_fail (separator != NULL, NULL); + + va_start (args, first_element); + str = g_build_path_va (separator, first_element, &args, NULL); + va_end (args); + + return str; +} + +#ifdef G_OS_WIN32 + +static gchar * +g_build_pathname_va (const gchar *first_element, + va_list *args, + gchar **str_array) +{ + /* Code copied from g_build_pathv(), and modified to use two + * alternative single-character separators. + */ + GString *result; + gboolean is_first = TRUE; + gboolean have_leading = FALSE; + const gchar *single_element = NULL; + const gchar *next_element; + const gchar *last_trailing = NULL; + gchar current_separator = '\\'; + gint i = 0; + + result = g_string_new (NULL); + + if (str_array) + next_element = str_array[i++]; + else + next_element = first_element; + + while (TRUE) + { + const gchar *element; + const gchar *start; + const gchar *end; + + if (next_element) + { + element = next_element; + if (str_array) + next_element = str_array[i++]; + else + next_element = va_arg (*args, gchar *); + } + else + break; + + /* Ignore empty elements */ + if (!*element) + continue; + + start = element; + + if (TRUE) + { + while (start && + (*start == '\\' || *start == '/')) + { + current_separator = *start; + start++; + } + } + + end = start + strlen (start); + + if (TRUE) + { + while (end >= start + 1 && + (end[-1] == '\\' || end[-1] == '/')) + { + current_separator = end[-1]; + end--; + } + + last_trailing = end; + while (last_trailing >= element + 1 && + (last_trailing[-1] == '\\' || last_trailing[-1] == '/')) + last_trailing--; + + if (!have_leading) + { + /* If the leading and trailing separator strings are in the + * same element and overlap, the result is exactly that element + */ + if (last_trailing <= start) + single_element = element; + + g_string_append_len (result, element, start - element); + have_leading = TRUE; + } + else + single_element = NULL; + } + + if (end == start) + continue; + + if (!is_first) + g_string_append_len (result, ¤t_separator, 1); + + g_string_append_len (result, start, end - start); + is_first = FALSE; + } + + if (single_element) + { + g_string_free (result, TRUE); + return g_strdup (single_element); + } + else + { + if (last_trailing) + g_string_append (result, last_trailing); + + return g_string_free (result, FALSE); + } +} + +#endif + +/** + * g_build_filenamev: + * @args: (array zero-terminated=1): %NULL-terminated array of strings containing the path elements. + * + * Behaves exactly like g_build_filename(), but takes the path elements + * as a string array, instead of varargs. This function is mainly + * meant for language bindings. + * + * Return value: a newly-allocated string that must be freed with g_free(). + * + * Since: 2.8 + */ +gchar * +g_build_filenamev (gchar **args) +{ + gchar *str; + +#ifndef G_OS_WIN32 + str = g_build_path_va (G_DIR_SEPARATOR_S, NULL, NULL, args); +#else + str = g_build_pathname_va (NULL, NULL, args); +#endif + + return str; +} + +/** + * g_build_filename: + * @first_element: the first element in the path + * @...: remaining elements in path, terminated by %NULL + * + * Creates a filename from a series of elements using the correct + * separator for filenames. + * + * On Unix, this function behaves identically to g_build_path + * (G_DIR_SEPARATOR_S, first_element, ....). + * + * On Windows, it takes into account that either the backslash + * (\ or slash (/) can be used + * as separator in filenames, but otherwise behaves as on Unix. When + * file pathname separators need to be inserted, the one that last + * previously occurred in the parameters (reading from left to right) + * is used. + * + * No attempt is made to force the resulting filename to be an absolute + * path. If the first element is a relative path, the result will + * be a relative path. + * + * Return value: a newly-allocated string that must be freed with g_free(). + **/ +gchar * +g_build_filename (const gchar *first_element, + ...) +{ + gchar *str; + va_list args; + + va_start (args, first_element); +#ifndef G_OS_WIN32 + str = g_build_path_va (G_DIR_SEPARATOR_S, first_element, &args, NULL); +#else + str = g_build_pathname_va (first_element, &args, NULL); +#endif + va_end (args); + + return str; +} + +#define KILOBYTE_FACTOR (G_GOFFSET_CONSTANT (1000)) +#define MEGABYTE_FACTOR (KILOBYTE_FACTOR * KILOBYTE_FACTOR) +#define GIGABYTE_FACTOR (MEGABYTE_FACTOR * KILOBYTE_FACTOR) +#define TERABYTE_FACTOR (GIGABYTE_FACTOR * KILOBYTE_FACTOR) +#define PETABYTE_FACTOR (TERABYTE_FACTOR * KILOBYTE_FACTOR) +#define EXABYTE_FACTOR (PETABYTE_FACTOR * KILOBYTE_FACTOR) + +#define KIBIBYTE_FACTOR (G_GOFFSET_CONSTANT (1024)) +#define MEBIBYTE_FACTOR (KIBIBYTE_FACTOR * KIBIBYTE_FACTOR) +#define GIBIBYTE_FACTOR (MEBIBYTE_FACTOR * KIBIBYTE_FACTOR) +#define TEBIBYTE_FACTOR (GIBIBYTE_FACTOR * KIBIBYTE_FACTOR) +#define PEBIBYTE_FACTOR (TEBIBYTE_FACTOR * KIBIBYTE_FACTOR) +#define EXBIBYTE_FACTOR (PEBIBYTE_FACTOR * KIBIBYTE_FACTOR) + +/** + * g_format_size: + * @size: a size in bytes + * + * Formats a size (for example the size of a file) into a human readable + * string. Sizes are rounded to the nearest size prefix (kB, MB, GB) + * and are displayed rounded to the nearest tenth. E.g. the file size + * 3292528 bytes will be converted into the string "3.2 MB". + * + * The prefix units base is 1000 (i.e. 1 kB is 1000 bytes). + * + * This string should be freed with g_free() when not needed any longer. + * + * See g_format_size_full() for more options about how the size might be + * formatted. + * + * Returns: a newly-allocated formatted string containing a human readable + * file size. + * + * Since: 2.30 + **/ +gchar * +g_format_size (guint64 size) +{ + return g_format_size_full (size, G_FORMAT_SIZE_DEFAULT); +} + +/** + * g_format_size_full: + * @size: a size in bytes + * @flags: #GFormatSizeFlags to modify the output + * + * Formats a size. + * + * This function is similar to g_format_size() but allows for flags that + * modify the output. See #GFormatSizeFlags. + * + * Returns: a newly-allocated formatted string containing a human + * readable file size. + * + * Since: 2.30 + **/ +/** + * GFormatSizeFlags: + * @G_FORMAT_SIZE_DEFAULT: behave the same as g_format_size() + * @G_FORMAT_SIZE_LONG_FORMAT: include the exact number of bytes as part + * of the returned string. For example, + * "45.6 kB (45,612 bytes)". + * @G_FORMAT_SIZE_IEC_UNITS: use IEC (base 1024) units with "KiB"-style + * suffixes. IEC units should only be used + * for reporting things with a strong "power + * of 2" basis, like RAM sizes or RAID stripe + * sizes. Network and storage sizes should + * be reported in the normal SI units. + * + * Flags to modify the format of the string returned by + * g_format_size_full(). + **/ +gchar * +g_format_size_full (guint64 size, + GFormatSizeFlags flags) +{ + GString *string; + + string = g_string_new (NULL); + + if (flags & G_FORMAT_SIZE_IEC_UNITS) + { + if (size < KIBIBYTE_FACTOR) + { + g_string_printf (string, + g_dngettext(GETTEXT_PACKAGE, "%u byte", "%u bytes", (guint) size), + (guint) size); + flags &= ~G_FORMAT_SIZE_LONG_FORMAT; + } + + else if (size < MEBIBYTE_FACTOR) + g_string_printf (string, _("%.1f KiB"), (gdouble) size / (gdouble) KIBIBYTE_FACTOR); + + else if (size < GIBIBYTE_FACTOR) + g_string_printf (string, _("%.1f MiB"), (gdouble) size / (gdouble) MEBIBYTE_FACTOR); + + else if (size < TEBIBYTE_FACTOR) + g_string_printf (string, _("%.1f GiB"), (gdouble) size / (gdouble) GIBIBYTE_FACTOR); + + else if (size < PEBIBYTE_FACTOR) + g_string_printf (string, _("%.1f TiB"), (gdouble) size / (gdouble) TEBIBYTE_FACTOR); + + else if (size < EXBIBYTE_FACTOR) + g_string_printf (string, _("%.1f PiB"), (gdouble) size / (gdouble) PEBIBYTE_FACTOR); + + else + g_string_printf (string, _("%.1f EiB"), (gdouble) size / (gdouble) EXBIBYTE_FACTOR); + } + else + { + if (size < KILOBYTE_FACTOR) + { + g_string_printf (string, + g_dngettext(GETTEXT_PACKAGE, "%u byte", "%u bytes", (guint) size), + (guint) size); + flags &= ~G_FORMAT_SIZE_LONG_FORMAT; + } + + else if (size < MEGABYTE_FACTOR) + g_string_printf (string, _("%.1f kB"), (gdouble) size / (gdouble) KILOBYTE_FACTOR); + + else if (size < GIGABYTE_FACTOR) + g_string_printf (string, _("%.1f MB"), (gdouble) size / (gdouble) MEGABYTE_FACTOR); + + else if (size < TERABYTE_FACTOR) + g_string_printf (string, _("%.1f GB"), (gdouble) size / (gdouble) GIGABYTE_FACTOR); + + else if (size < PETABYTE_FACTOR) + g_string_printf (string, _("%.1f TB"), (gdouble) size / (gdouble) TERABYTE_FACTOR); + + else if (size < EXABYTE_FACTOR) + g_string_printf (string, _("%.1f PB"), (gdouble) size / (gdouble) PETABYTE_FACTOR); + + else + g_string_printf (string, _("%.1f EB"), (gdouble) size / (gdouble) EXABYTE_FACTOR); + } + + if (flags & G_FORMAT_SIZE_LONG_FORMAT) + { + /* First problem: we need to use the number of bytes to decide on + * the plural form that is used for display, but the number of + * bytes potentially exceeds the size of a guint (which is what + * ngettext() takes). + * + * From a pragmatic standpoint, it seems that all known languages + * base plural forms on one or both of the following: + * + * - the lowest digits of the number + * + * - if the number if greater than some small value + * + * Here's how we fake it: Draw an arbitrary line at one thousand. + * If the number is below that, then fine. If it is above it, + * then we take the modulus of the number by one thousand (in + * order to keep the lowest digits) and add one thousand to that + * (in order to ensure that 1001 is not treated the same as 1). + */ + guint plural_form = size < 1000 ? size : size % 1000 + 1000; + + /* Second problem: we need to translate the string "%u byte" and + * "%u bytes" for pluralisation, but the correct number format to + * use for a gsize is different depending on which architecture + * we're on. + * + * Solution: format the number separately and use "%s bytes" on + * all platforms. + */ + const gchar *translated_format; + gchar *formatted_number; + + /* Translators: the %s in "%s bytes" will always be replaced by a number. */ + translated_format = g_dngettext(GETTEXT_PACKAGE, "%s byte", "%s bytes", plural_form); + + /* XXX: Windows doesn't support the "'" format modifier, so we + * must not use it there. Instead, just display the number + * without separation. Bug #655336 is open until a solution is + * found. + */ +#ifndef G_OS_WIN32 + formatted_number = g_strdup_printf ("%'"G_GUINT64_FORMAT, size); +#else + formatted_number = g_strdup_printf ("%"G_GUINT64_FORMAT, size); +#endif + + g_string_append (string, " ("); + g_string_append_printf (string, translated_format, formatted_number); + g_free (formatted_number); + g_string_append (string, ")"); + } + + return g_string_free (string, FALSE); +} + +/** + * g_format_size_for_display: + * @size: a size in bytes. + * + * Formats a size (for example the size of a file) into a human readable string. + * Sizes are rounded to the nearest size prefix (KB, MB, GB) and are displayed + * rounded to the nearest tenth. E.g. the file size 3292528 bytes will be + * converted into the string "3.1 MB". + * + * The prefix units base is 1024 (i.e. 1 KB is 1024 bytes). + * + * This string should be freed with g_free() when not needed any longer. + * + * Returns: a newly-allocated formatted string containing a human readable + * file size. + * + * Deprecated:2.30: This function is broken due to its use of SI + * suffixes to denote IEC units. Use g_format_size() + * instead. + * Since: 2.16 + **/ +char * +g_format_size_for_display (goffset size) +{ + if (size < (goffset) KIBIBYTE_FACTOR) + return g_strdup_printf (g_dngettext(GETTEXT_PACKAGE, "%u byte", "%u bytes",(guint) size), (guint) size); + else + { + gdouble displayed_size; + + if (size < (goffset) MEBIBYTE_FACTOR) + { + displayed_size = (gdouble) size / (gdouble) KIBIBYTE_FACTOR; + return g_strdup_printf (_("%.1f KB"), displayed_size); + } + else if (size < (goffset) GIBIBYTE_FACTOR) + { + displayed_size = (gdouble) size / (gdouble) MEBIBYTE_FACTOR; + return g_strdup_printf (_("%.1f MB"), displayed_size); + } + else if (size < (goffset) TEBIBYTE_FACTOR) + { + displayed_size = (gdouble) size / (gdouble) GIBIBYTE_FACTOR; + return g_strdup_printf (_("%.1f GB"), displayed_size); + } + else if (size < (goffset) PEBIBYTE_FACTOR) + { + displayed_size = (gdouble) size / (gdouble) TEBIBYTE_FACTOR; + return g_strdup_printf (_("%.1f TB"), displayed_size); + } + else if (size < (goffset) EXBIBYTE_FACTOR) + { + displayed_size = (gdouble) size / (gdouble) PEBIBYTE_FACTOR; + return g_strdup_printf (_("%.1f PB"), displayed_size); + } + else + { + displayed_size = (gdouble) size / (gdouble) EXBIBYTE_FACTOR; + return g_strdup_printf (_("%.1f EB"), displayed_size); + } + } +} + + +/** + * g_file_read_link: + * @filename: the symbolic link + * @error: return location for a #GError + * + * Reads the contents of the symbolic link @filename like the POSIX + * readlink() function. The returned string is in the encoding used + * for filenames. Use g_filename_to_utf8() to convert it to UTF-8. + * + * Returns: A newly-allocated string with the contents of the symbolic link, + * or %NULL if an error occurred. + * + * Since: 2.4 + */ +gchar * +g_file_read_link (const gchar *filename, + GError **error) +{ +#ifdef HAVE_READLINK + gchar *buffer; + guint size; + gint read_size; + + size = 256; + buffer = g_malloc (size); + + while (TRUE) + { + read_size = readlink (filename, buffer, size); + if (read_size < 0) { + int save_errno = errno; + gchar *display_filename = g_filename_display_name (filename); + + g_free (buffer); + g_set_error (error, + G_FILE_ERROR, + g_file_error_from_errno (save_errno), + _("Failed to read the symbolic link '%s': %s"), + display_filename, + g_strerror (save_errno)); + g_free (display_filename); + + return NULL; + } + + if (read_size < size) + { + buffer[read_size] = 0; + return buffer; + } + + size *= 2; + buffer = g_realloc (buffer, size); + } +#else + g_set_error_literal (error, + G_FILE_ERROR, + G_FILE_ERROR_INVAL, + _("Symbolic links not supported")); + + return NULL; +#endif +} + +/* NOTE : Keep this part last to ensure nothing in this file uses the + * below binary compatibility versions. + */ +#if defined (G_OS_WIN32) && !defined (_WIN64) + +/* Binary compatibility versions. Will be called by code compiled + * against quite old (pre-2.8, I think) headers only, not from more + * recently compiled code. + */ + +#undef g_file_test + +gboolean +g_file_test (const gchar *filename, + GFileTest test) +{ + gchar *utf8_filename = g_locale_to_utf8 (filename, -1, NULL, NULL, NULL); + gboolean retval; + + if (utf8_filename == NULL) + return FALSE; + + retval = g_file_test_utf8 (utf8_filename, test); + + g_free (utf8_filename); + + return retval; +} + +#undef g_file_get_contents + +gboolean +g_file_get_contents (const gchar *filename, + gchar **contents, + gsize *length, + GError **error) +{ + gchar *utf8_filename = g_locale_to_utf8 (filename, -1, NULL, NULL, error); + gboolean retval; + + if (utf8_filename == NULL) + return FALSE; + + retval = g_file_get_contents_utf8 (utf8_filename, contents, length, error); + + g_free (utf8_filename); + + return retval; +} + +#undef g_mkstemp + +gint +g_mkstemp (gchar *tmpl) +{ + /* This is the backward compatibility system codepage version, + * thus use normal open(). + */ + return get_tmp_file (tmpl, (GTmpFileCallback) open, + O_RDWR | O_CREAT | O_EXCL, 0600); +} + +#undef g_file_open_tmp + +gint +g_file_open_tmp (const gchar *tmpl, + gchar **name_used, + GError **error) +{ + gchar *utf8_tmpl = g_locale_to_utf8 (tmpl, -1, NULL, NULL, error); + gchar *utf8_name_used; + gint retval; + + if (utf8_tmpl == NULL) + return -1; + + retval = g_file_open_tmp_utf8 (utf8_tmpl, &utf8_name_used, error); + + if (retval == -1) + return -1; + + if (name_used) + *name_used = g_locale_from_utf8 (utf8_name_used, -1, NULL, NULL, NULL); + + g_free (utf8_name_used); + + return retval; +} + +#endif diff --git a/deps/glib/gfileutils.h b/deps/glib/gfileutils.h new file mode 100644 index 0000000..4b0c48e --- /dev/null +++ b/deps/glib/gfileutils.h @@ -0,0 +1,150 @@ +/* gfileutils.h - File utility functions + * + * Copyright 2000 Red Hat, Inc. + * + * GLib is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * GLib is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with GLib; see the file COPYING.LIB. If not, + * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_FILEUTILS_H__ +#define __G_FILEUTILS_H__ + +#include + +G_BEGIN_DECLS + +#define G_FILE_ERROR g_file_error_quark () + +typedef enum +{ + G_FILE_ERROR_EXIST, + G_FILE_ERROR_ISDIR, + G_FILE_ERROR_ACCES, + G_FILE_ERROR_NAMETOOLONG, + G_FILE_ERROR_NOENT, + G_FILE_ERROR_NOTDIR, + G_FILE_ERROR_NXIO, + G_FILE_ERROR_NODEV, + G_FILE_ERROR_ROFS, + G_FILE_ERROR_TXTBSY, + G_FILE_ERROR_FAULT, + G_FILE_ERROR_LOOP, + G_FILE_ERROR_NOSPC, + G_FILE_ERROR_NOMEM, + G_FILE_ERROR_MFILE, + G_FILE_ERROR_NFILE, + G_FILE_ERROR_BADF, + G_FILE_ERROR_INVAL, + G_FILE_ERROR_PIPE, + G_FILE_ERROR_AGAIN, + G_FILE_ERROR_INTR, + G_FILE_ERROR_IO, + G_FILE_ERROR_PERM, + G_FILE_ERROR_NOSYS, + G_FILE_ERROR_FAILED +} GFileError; + +/* For backward-compat reasons, these are synced to an old + * anonymous enum in libgnome. But don't use that enum + * in new code. + */ +typedef enum +{ + G_FILE_TEST_IS_REGULAR = 1 << 0, + G_FILE_TEST_IS_SYMLINK = 1 << 1, + G_FILE_TEST_IS_DIR = 1 << 2, + G_FILE_TEST_IS_EXECUTABLE = 1 << 3, + G_FILE_TEST_EXISTS = 1 << 4 +} GFileTest; + +GQuark g_file_error_quark (void); +/* So other code can generate a GFileError */ +GFileError g_file_error_from_errno (gint err_no); + +#ifndef __GTK_DOC_IGNORE__ +#ifdef G_OS_WIN32 +#define g_file_test g_file_test_utf8 +#define g_file_get_contents g_file_get_contents_utf8 +#define g_mkstemp g_mkstemp_utf8 +#define g_file_open_tmp g_file_open_tmp_utf8 +#endif +#endif + +gboolean g_file_test (const gchar *filename, + GFileTest test); +gboolean g_file_get_contents (const gchar *filename, + gchar **contents, + gsize *length, + GError **error); +gboolean g_file_set_contents (const gchar *filename, + const gchar *contents, + gssize length, + GError **error); +gchar *g_file_read_link (const gchar *filename, + GError **error); + +/* Wrapper / workalike for mkdtemp() */ +gchar *g_mkdtemp (gchar *tmpl); +gchar *g_mkdtemp_full (gchar *tmpl, + gint mode); + +/* Wrapper / workalike for mkstemp() */ +gint g_mkstemp (gchar *tmpl); +gint g_mkstemp_full (gchar *tmpl, + gint flags, + gint mode); + +/* Wrappers for g_mkstemp and g_mkdtemp() */ +gint g_file_open_tmp (const gchar *tmpl, + gchar **name_used, + GError **error); +gchar *g_dir_make_tmp (const gchar *tmpl, + GError **error); + +typedef enum +{ + G_FORMAT_SIZE_DEFAULT = 0, + G_FORMAT_SIZE_LONG_FORMAT = 1 << 0, + G_FORMAT_SIZE_IEC_UNITS = 1 << 1 +} GFormatSizeFlags; + +gchar * g_format_size_full (guint64 size, + GFormatSizeFlags flags); +gchar * g_format_size (guint64 size); + +#ifndef G_DISABLE_DEPRECATED +char *g_format_size_for_display (goffset size); +#endif + +gchar *g_build_path (const gchar *separator, + const gchar *first_element, + ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED; +gchar *g_build_pathv (const gchar *separator, + gchar **args) G_GNUC_MALLOC; + +gchar *g_build_filename (const gchar *first_element, + ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED; +gchar *g_build_filenamev (gchar **args) G_GNUC_MALLOC; + +int g_mkdir_with_parents (const gchar *pathname, + int mode); + +G_END_DECLS + +#endif /* __G_FILEUTILS_H__ */ diff --git a/deps/glib/ghash.c b/deps/glib/ghash.c new file mode 100644 index 0000000..02c0d7b --- /dev/null +++ b/deps/glib/ghash.c @@ -0,0 +1,1575 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" + +#include /* memset */ + +#include "ghash.h" + +#include "gstrfuncs.h" +#include "gatomic.h" +#include "gtestutils.h" + + +/** + * SECTION:hash_tables + * @title: Hash Tables + * @short_description: associations between keys and values so that + * given a key the value can be found quickly + * + * A #GHashTable provides associations between keys and values which is + * optimized so that given a key, the associated value can be found + * very quickly. + * + * Note that neither keys nor values are copied when inserted into the + * #GHashTable, so they must exist for the lifetime of the #GHashTable. + * This means that the use of static strings is OK, but temporary + * strings (i.e. those created in buffers and those returned by GTK+ + * widgets) should be copied with g_strdup() before being inserted. + * + * If keys or values are dynamically allocated, you must be careful to + * ensure that they are freed when they are removed from the + * #GHashTable, and also when they are overwritten by new insertions + * into the #GHashTable. It is also not advisable to mix static strings + * and dynamically-allocated strings in a #GHashTable, because it then + * becomes difficult to determine whether the string should be freed. + * + * To create a #GHashTable, use g_hash_table_new(). + * + * To insert a key and value into a #GHashTable, use + * g_hash_table_insert(). + * + * To lookup a value corresponding to a given key, use + * g_hash_table_lookup() and g_hash_table_lookup_extended(). + * + * g_hash_table_lookup_extended() can also be used to simply + * check if a key is present in the hash table. + * + * To remove a key and value, use g_hash_table_remove(). + * + * To call a function for each key and value pair use + * g_hash_table_foreach() or use a iterator to iterate over the + * key/value pairs in the hash table, see #GHashTableIter. + * + * To destroy a #GHashTable use g_hash_table_destroy(). + * + * + * Using a GHashTable as a set + * + * A common use-case for hash tables is to store information about + * a set of keys, without associating any particular value with each + * key. GHashTable optimizes one way of doing so: If you store only + * key-value pairs where key == value, then GHashTable does not + * allocate memory to store the values, which can be a considerable + * space saving, if your set is large. + * + * + * GHashTable * + * set_new (GHashFunc hash_func, + * GEqualFunc equal_func, + * GDestroyNotify destroy) + * { + * return g_hash_table_new_full (hash_func, equal_func, destroy, NULL); + * } + * + * void + * set_insert (GHashTable *set, + * gpointer element) + * { + * g_hash_table_insert (set, element, element); + * } + * + * gboolean + * set_contains (GHashTable *set, + * gpointer element) + * { + * return g_hash_table_lookup_extended (set, element, NULL, NULL); + * } + * + * gboolean + * set_remove (GHashTable *set, + * gpointer element) + * { + * return g_hash_table_remove (set, element); + * } + * + * + */ + +/** + * GHashTable: + * + * The #GHashTable struct is an opaque data structure to represent a + * Hash Table. It should only be + * accessed via the following functions. + **/ + +/** + * GHashFunc: + * @key: a key. + * @Returns: the hash value corresponding to the key. + * + * Specifies the type of the hash function which is passed to + * g_hash_table_new() when a #GHashTable is created. + * + * The function is passed a key and should return a #guint hash value. + * The functions g_direct_hash(), g_int_hash() and g_str_hash() provide + * hash functions which can be used when the key is a #gpointer, #gint, + * and #gchar* respectively. + * + * The hash values should be evenly + * distributed over a fairly large range? The modulus is taken with the + * hash table size (a prime number) to find the 'bucket' to place each + * key into. The function should also be very fast, since it is called + * for each key lookup. + **/ + +/** + * GHFunc: + * @key: a key. + * @value: the value corresponding to the key. + * @user_data: user data passed to g_hash_table_foreach(). + * + * Specifies the type of the function passed to g_hash_table_foreach(). + * It is called with each key/value pair, together with the @user_data + * parameter which is passed to g_hash_table_foreach(). + **/ + +/** + * GHRFunc: + * @key: a key. + * @value: the value associated with the key. + * @user_data: user data passed to g_hash_table_remove(). + * @Returns: %TRUE if the key/value pair should be removed from the + * #GHashTable. + * + * Specifies the type of the function passed to + * g_hash_table_foreach_remove(). It is called with each key/value + * pair, together with the @user_data parameter passed to + * g_hash_table_foreach_remove(). It should return %TRUE if the + * key/value pair should be removed from the #GHashTable. + **/ + +/** + * GEqualFunc: + * @a: a value. + * @b: a value to compare with. + * @Returns: %TRUE if @a = @b; %FALSE otherwise. + * + * Specifies the type of a function used to test two values for + * equality. The function should return %TRUE if both values are equal + * and %FALSE otherwise. + **/ + +/** + * GHashTableIter: + * + * A GHashTableIter structure represents an iterator that can be used + * to iterate over the elements of a #GHashTable. GHashTableIter + * structures are typically allocated on the stack and then initialized + * with g_hash_table_iter_init(). + **/ + +#define HASH_TABLE_MIN_SHIFT 3 /* 1 << 3 == 8 buckets */ + +#define UNUSED_HASH_VALUE 0 +#define TOMBSTONE_HASH_VALUE 1 +#define HASH_IS_UNUSED(h_) ((h_) == UNUSED_HASH_VALUE) +#define HASH_IS_TOMBSTONE(h_) ((h_) == TOMBSTONE_HASH_VALUE) +#define HASH_IS_REAL(h_) ((h_) >= 2) + +struct _GHashTable +{ + gint size; + gint mod; + guint mask; + gint nnodes; + gint noccupied; /* nnodes + tombstones */ + + gpointer *keys; + guint *hashes; + gpointer *values; + + GHashFunc hash_func; + GEqualFunc key_equal_func; + gint ref_count; +#ifndef G_DISABLE_ASSERT + /* + * Tracks the structure of the hash table, not its contents: is only + * incremented when a node is added or removed (is not incremented + * when the key or data of a node is modified). + */ + int version; +#endif + GDestroyNotify key_destroy_func; + GDestroyNotify value_destroy_func; +}; + +typedef struct +{ + GHashTable *hash_table; + gpointer dummy1; + gpointer dummy2; + int position; + gboolean dummy3; + int version; +} RealIter; + +/* Each table size has an associated prime modulo (the first prime + * lower than the table size) used to find the initial bucket. Probing + * then works modulo 2^n. The prime modulo is necessary to get a + * good distribution with poor hash functions. */ +static const gint prime_mod [] = +{ + 1, /* For 1 << 0 */ + 2, + 3, + 7, + 13, + 31, + 61, + 127, + 251, + 509, + 1021, + 2039, + 4093, + 8191, + 16381, + 32749, + 65521, /* For 1 << 16 */ + 131071, + 262139, + 524287, + 1048573, + 2097143, + 4194301, + 8388593, + 16777213, + 33554393, + 67108859, + 134217689, + 268435399, + 536870909, + 1073741789, + 2147483647 /* For 1 << 31 */ +}; + +static void +g_hash_table_set_shift (GHashTable *hash_table, gint shift) +{ + gint i; + guint mask = 0; + + hash_table->size = 1 << shift; + hash_table->mod = prime_mod [shift]; + + for (i = 0; i < shift; i++) + { + mask <<= 1; + mask |= 1; + } + + hash_table->mask = mask; +} + +static gint +g_hash_table_find_closest_shift (gint n) +{ + gint i; + + for (i = 0; n; i++) + n >>= 1; + + return i; +} + +static void +g_hash_table_set_shift_from_size (GHashTable *hash_table, gint size) +{ + gint shift; + + shift = g_hash_table_find_closest_shift (size); + shift = MAX (shift, HASH_TABLE_MIN_SHIFT); + + g_hash_table_set_shift (hash_table, shift); +} + +/* + * g_hash_table_lookup_node: + * @hash_table: our #GHashTable + * @key: the key to lookup against + * @hash_return: key hash return location + * Return value: index of the described node + * + * Performs a lookup in the hash table, preserving extra information + * usually needed for insertion. + * + * This function first computes the hash value of the key using the + * user's hash function. + * + * If an entry in the table matching @key is found then this function + * returns the index of that entry in the table, and if not, the + * index of an unused node (empty or tombstone) where the key can be + * inserted. + * + * The computed hash value is returned in the variable pointed to + * by @hash_return. This is to save insertions from having to compute + * the hash record again for the new record. + */ +static inline guint +g_hash_table_lookup_node (GHashTable *hash_table, + gconstpointer key, + guint *hash_return) +{ + guint node_index; + guint node_hash; + guint hash_value; + guint first_tombstone = 0; + gboolean have_tombstone = FALSE; + guint step = 0; + + hash_value = hash_table->hash_func (key); + if (G_UNLIKELY (!HASH_IS_REAL (hash_value))) + hash_value = 2; + + *hash_return = hash_value; + + node_index = hash_value % hash_table->mod; + node_hash = hash_table->hashes[node_index]; + + while (!HASH_IS_UNUSED (node_hash)) + { + /* We first check if our full hash values + * are equal so we can avoid calling the full-blown + * key equality function in most cases. + */ + if (node_hash == hash_value) + { + gpointer node_key = hash_table->keys[node_index]; + + if (hash_table->key_equal_func) + { + if (hash_table->key_equal_func (node_key, key)) + return node_index; + } + else if (node_key == key) + { + return node_index; + } + } + else if (HASH_IS_TOMBSTONE (node_hash) && !have_tombstone) + { + first_tombstone = node_index; + have_tombstone = TRUE; + } + + step++; + node_index += step; + node_index &= hash_table->mask; + node_hash = hash_table->hashes[node_index]; + } + + if (have_tombstone) + return first_tombstone; + + return node_index; +} + +/* + * g_hash_table_remove_node: + * @hash_table: our #GHashTable + * @node: pointer to node to remove + * @notify: %TRUE if the destroy notify handlers are to be called + * + * Removes a node from the hash table and updates the node count. + * The node is replaced by a tombstone. No table resize is performed. + * + * If @notify is %TRUE then the destroy notify functions are called + * for the key and value of the hash node. + */ +static void +g_hash_table_remove_node (GHashTable *hash_table, + int i, + gboolean notify) +{ + gpointer key; + gpointer value; + + key = hash_table->keys[i]; + value = hash_table->values[i]; + + /* Erect tombstone */ + hash_table->hashes[i] = TOMBSTONE_HASH_VALUE; + + /* Be GC friendly */ + hash_table->keys[i] = NULL; + hash_table->values[i] = NULL; + + hash_table->nnodes--; + + if (notify && hash_table->key_destroy_func) + hash_table->key_destroy_func (key); + + if (notify && hash_table->value_destroy_func) + hash_table->value_destroy_func (value); + +} + +/* + * g_hash_table_remove_all_nodes: + * @hash_table: our #GHashTable + * @notify: %TRUE if the destroy notify handlers are to be called + * + * Removes all nodes from the table. Since this may be a precursor to + * freeing the table entirely, no resize is performed. + * + * If @notify is %TRUE then the destroy notify functions are called + * for the key and value of the hash node. + */ +static void +g_hash_table_remove_all_nodes (GHashTable *hash_table, + gboolean notify) +{ + int i; + gpointer key; + gpointer value; + + hash_table->nnodes = 0; + hash_table->noccupied = 0; + + if (!notify || + (hash_table->key_destroy_func == NULL && + hash_table->value_destroy_func == NULL)) + { + memset (hash_table->hashes, 0, hash_table->size * sizeof (guint)); + memset (hash_table->keys, 0, hash_table->size * sizeof (gpointer)); + memset (hash_table->values, 0, hash_table->size * sizeof (gpointer)); + + return; + } + + for (i = 0; i < hash_table->size; i++) + { + if (HASH_IS_REAL (hash_table->hashes[i])) + { + key = hash_table->keys[i]; + value = hash_table->values[i]; + + hash_table->hashes[i] = UNUSED_HASH_VALUE; + hash_table->keys[i] = NULL; + hash_table->values[i] = NULL; + + if (hash_table->key_destroy_func != NULL) + hash_table->key_destroy_func (key); + + if (hash_table->value_destroy_func != NULL) + hash_table->value_destroy_func (value); + } + else if (HASH_IS_TOMBSTONE (hash_table->hashes[i])) + { + hash_table->hashes[i] = UNUSED_HASH_VALUE; + } + } +} + +/* + * g_hash_table_resize: + * @hash_table: our #GHashTable + * + * Resizes the hash table to the optimal size based on the number of + * nodes currently held. If you call this function then a resize will + * occur, even if one does not need to occur. Use + * g_hash_table_maybe_resize() instead. + * + * This function may "resize" the hash table to its current size, with + * the side effect of cleaning up tombstones and otherwise optimizing + * the probe sequences. + */ +static void +g_hash_table_resize (GHashTable *hash_table) +{ + gpointer *new_keys; + gpointer *new_values; + guint *new_hashes; + gint old_size; + gint i; + + old_size = hash_table->size; + g_hash_table_set_shift_from_size (hash_table, hash_table->nnodes * 2); + + new_keys = g_new0 (gpointer, hash_table->size); + if (hash_table->keys == hash_table->values) + new_values = new_keys; + else + new_values = g_new0 (gpointer, hash_table->size); + new_hashes = g_new0 (guint, hash_table->size); + + for (i = 0; i < old_size; i++) + { + guint node_hash = hash_table->hashes[i]; + guint hash_val; + guint step = 0; + + if (!HASH_IS_REAL (node_hash)) + continue; + + hash_val = node_hash % hash_table->mod; + + while (!HASH_IS_UNUSED (new_hashes[hash_val])) + { + step++; + hash_val += step; + hash_val &= hash_table->mask; + } + + new_hashes[hash_val] = hash_table->hashes[i]; + new_keys[hash_val] = hash_table->keys[i]; + new_values[hash_val] = hash_table->values[i]; + } + + if (hash_table->keys != hash_table->values) + g_free (hash_table->values); + + g_free (hash_table->keys); + g_free (hash_table->hashes); + + hash_table->keys = new_keys; + hash_table->values = new_values; + hash_table->hashes = new_hashes; + + hash_table->noccupied = hash_table->nnodes; +} + +/* + * g_hash_table_maybe_resize: + * @hash_table: our #GHashTable + * + * Resizes the hash table, if needed. + * + * Essentially, calls g_hash_table_resize() if the table has strayed + * too far from its ideal size for its number of nodes. + */ +static inline void +g_hash_table_maybe_resize (GHashTable *hash_table) +{ + gint noccupied = hash_table->noccupied; + gint size = hash_table->size; + + if ((size > hash_table->nnodes * 4 && size > 1 << HASH_TABLE_MIN_SHIFT) || + (size <= noccupied + (noccupied / 16))) + g_hash_table_resize (hash_table); +} + +/** + * g_hash_table_new: + * @hash_func: a function to create a hash value from a key. + * Hash values are used to determine where keys are stored within the + * #GHashTable data structure. The g_direct_hash(), g_int_hash(), + * g_int64_hash(), g_double_hash() and g_str_hash() functions are provided + * for some common types of keys. + * If hash_func is %NULL, g_direct_hash() is used. + * @key_equal_func: a function to check two keys for equality. This is + * used when looking up keys in the #GHashTable. The g_direct_equal(), + * g_int_equal(), g_int64_equal(), g_double_equal() and g_str_equal() + * functions are provided for the most common types of keys. + * If @key_equal_func is %NULL, keys are compared directly in a similar + * fashion to g_direct_equal(), but without the overhead of a function call. + * + * Creates a new #GHashTable with a reference count of 1. + * + * Return value: a new #GHashTable. + **/ +GHashTable* +g_hash_table_new (GHashFunc hash_func, + GEqualFunc key_equal_func) +{ + return g_hash_table_new_full (hash_func, key_equal_func, NULL, NULL); +} + + +/** + * g_hash_table_new_full: + * @hash_func: a function to create a hash value from a key. + * @key_equal_func: a function to check two keys for equality. + * @key_destroy_func: a function to free the memory allocated for the key + * used when removing the entry from the #GHashTable or %NULL if you + * don't want to supply such a function. + * @value_destroy_func: a function to free the memory allocated for the + * value used when removing the entry from the #GHashTable or %NULL if + * you don't want to supply such a function. + * + * Creates a new #GHashTable like g_hash_table_new() with a reference count + * of 1 and allows to specify functions to free the memory allocated for the + * key and value that get called when removing the entry from the #GHashTable. + * + * Return value: a new #GHashTable. + **/ +GHashTable* +g_hash_table_new_full (GHashFunc hash_func, + GEqualFunc key_equal_func, + GDestroyNotify key_destroy_func, + GDestroyNotify value_destroy_func) +{ + GHashTable *hash_table; + + hash_table = g_slice_new (GHashTable); + g_hash_table_set_shift (hash_table, HASH_TABLE_MIN_SHIFT); + hash_table->nnodes = 0; + hash_table->noccupied = 0; + hash_table->hash_func = hash_func ? hash_func : g_direct_hash; + hash_table->key_equal_func = key_equal_func; + hash_table->ref_count = 1; +#ifndef G_DISABLE_ASSERT + hash_table->version = 0; +#endif + hash_table->key_destroy_func = key_destroy_func; + hash_table->value_destroy_func = value_destroy_func; + hash_table->keys = g_new0 (gpointer, hash_table->size); + hash_table->values = hash_table->keys; + hash_table->hashes = g_new0 (guint, hash_table->size); + + return hash_table; +} + +/** + * g_hash_table_iter_init: + * @iter: an uninitialized #GHashTableIter. + * @hash_table: a #GHashTable. + * + * Initializes a key/value pair iterator and associates it with + * @hash_table. Modifying the hash table after calling this function + * invalidates the returned iterator. + * |[ + * GHashTableIter iter; + * gpointer key, value; + * + * g_hash_table_iter_init (&iter, hash_table); + * while (g_hash_table_iter_next (&iter, &key, &value)) + * { + * /* do something with key and value */ + * } + * ]| + * + * Since: 2.16 + **/ +void +g_hash_table_iter_init (GHashTableIter *iter, + GHashTable *hash_table) +{ + RealIter *ri = (RealIter *) iter; + + g_return_if_fail (iter != NULL); + g_return_if_fail (hash_table != NULL); + + ri->hash_table = hash_table; + ri->position = -1; +#ifndef G_DISABLE_ASSERT + ri->version = hash_table->version; +#endif +} + +/** + * g_hash_table_iter_next: + * @iter: an initialized #GHashTableIter. + * @key: a location to store the key, or %NULL. + * @value: a location to store the value, or %NULL. + * + * Advances @iter and retrieves the key and/or value that are now + * pointed to as a result of this advancement. If %FALSE is returned, + * @key and @value are not set, and the iterator becomes invalid. + * + * Return value: %FALSE if the end of the #GHashTable has been reached. + * + * Since: 2.16 + **/ +gboolean +g_hash_table_iter_next (GHashTableIter *iter, + gpointer *key, + gpointer *value) +{ + RealIter *ri = (RealIter *) iter; + gint position; + + g_return_val_if_fail (iter != NULL, FALSE); +#ifndef G_DISABLE_ASSERT + g_return_val_if_fail (ri->version == ri->hash_table->version, FALSE); +#endif + g_return_val_if_fail (ri->position < ri->hash_table->size, FALSE); + + position = ri->position; + + do + { + position++; + if (position >= ri->hash_table->size) + { + ri->position = position; + return FALSE; + } + } + while (!HASH_IS_REAL (ri->hash_table->hashes[position])); + + if (key != NULL) + *key = ri->hash_table->keys[position]; + if (value != NULL) + *value = ri->hash_table->values[position]; + + ri->position = position; + return TRUE; +} + +/** + * g_hash_table_iter_get_hash_table: + * @iter: an initialized #GHashTableIter. + * + * Returns the #GHashTable associated with @iter. + * + * Return value: the #GHashTable associated with @iter. + * + * Since: 2.16 + **/ +GHashTable * +g_hash_table_iter_get_hash_table (GHashTableIter *iter) +{ + g_return_val_if_fail (iter != NULL, NULL); + + return ((RealIter *) iter)->hash_table; +} + +static void +iter_remove_or_steal (RealIter *ri, gboolean notify) +{ + g_return_if_fail (ri != NULL); +#ifndef G_DISABLE_ASSERT + g_return_if_fail (ri->version == ri->hash_table->version); +#endif + g_return_if_fail (ri->position >= 0); + g_return_if_fail (ri->position < ri->hash_table->size); + + g_hash_table_remove_node (ri->hash_table, ri->position, notify); + +#ifndef G_DISABLE_ASSERT + ri->version++; + ri->hash_table->version++; +#endif +} + +/** + * g_hash_table_iter_remove: + * @iter: an initialized #GHashTableIter. + * + * Removes the key/value pair currently pointed to by the iterator + * from its associated #GHashTable. Can only be called after + * g_hash_table_iter_next() returned %TRUE, and cannot be called more + * than once for the same key/value pair. + * + * If the #GHashTable was created using g_hash_table_new_full(), the + * key and value are freed using the supplied destroy functions, otherwise + * you have to make sure that any dynamically allocated values are freed + * yourself. + * + * Since: 2.16 + **/ +void +g_hash_table_iter_remove (GHashTableIter *iter) +{ + iter_remove_or_steal ((RealIter *) iter, TRUE); +} + +/* + * g_hash_table_insert_node: + * @hash_table: our #GHashTable + * @node_index: pointer to node to insert/replace + * @key_hash: key hash + * @key: key to replace with, or %NULL + * @value: value to replace with + * @keep_new_key: whether to replace the key in the node with @key + * @reusing_key: whether @key was taken out of the existing node + * + * Inserts a value at @node_index in the hash table and updates it. + * + * If @key has been taken out of the existing node (ie it is not + * passed in via a g_hash_table_insert/replace) call, then @reusing_key + * should be %TRUE. + */ +static void +g_hash_table_insert_node (GHashTable *hash_table, + guint node_index, + guint key_hash, + gpointer key, + gpointer value, + gboolean keep_new_key, + gboolean reusing_key) +{ + guint old_hash; + gpointer old_key; + gpointer old_value; + + if (G_UNLIKELY (hash_table->keys == hash_table->values && key != value)) + hash_table->values = g_memdup (hash_table->keys, sizeof (gpointer) * hash_table->size); + + old_hash = hash_table->hashes[node_index]; + old_key = hash_table->keys[node_index]; + old_value = hash_table->values[node_index]; + + if (HASH_IS_REAL (old_hash)) + { + if (keep_new_key) + hash_table->keys[node_index] = key; + hash_table->values[node_index] = value; + } + else + { + hash_table->keys[node_index] = key; + hash_table->values[node_index] = value; + hash_table->hashes[node_index] = key_hash; + + hash_table->nnodes++; + + if (HASH_IS_UNUSED (old_hash)) + { + /* We replaced an empty node, and not a tombstone */ + hash_table->noccupied++; + g_hash_table_maybe_resize (hash_table); + } + +#ifndef G_DISABLE_ASSERT + hash_table->version++; +#endif + } + + if (HASH_IS_REAL (old_hash)) + { + if (hash_table->key_destroy_func && !reusing_key) + hash_table->key_destroy_func (keep_new_key ? old_key : key); + if (hash_table->value_destroy_func) + hash_table->value_destroy_func (old_value); + } +} + +/** + * g_hash_table_iter_replace: + * @iter: an initialized #GHashTableIter. + * @value: the value to replace with + * + * Replaces the value currently pointed to by the iterator + * from its associated #GHashTable. Can only be called after + * g_hash_table_iter_next() returned %TRUE. + * + * If you supplied a @value_destroy_func when creating the #GHashTable, + * the old value is freed using that function. + * + * Since: 2.29.9 + **/ +void +g_hash_table_iter_replace (GHashTableIter *iter, + gpointer value) +{ + RealIter *ri; + guint node_hash; + gpointer key; + + ri = (RealIter *) iter; + + g_return_if_fail (ri != NULL); +#ifndef G_DISABLE_ASSERT + g_return_if_fail (ri->version == ri->hash_table->version); +#endif + g_return_if_fail (ri->position >= 0); + g_return_if_fail (ri->position < ri->hash_table->size); + + node_hash = ri->hash_table->hashes[ri->position]; + key = ri->hash_table->keys[ri->position]; + + g_hash_table_insert_node (ri->hash_table, ri->position, node_hash, key, value, TRUE, TRUE); + +#ifndef G_DISABLE_ASSERT + ri->version++; + ri->hash_table->version++; +#endif +} + +/** + * g_hash_table_iter_steal: + * @iter: an initialized #GHashTableIter. + * + * Removes the key/value pair currently pointed to by the iterator + * from its associated #GHashTable, without calling the key and value + * destroy functions. Can only be called after + * g_hash_table_iter_next() returned %TRUE, and cannot be called more + * than once for the same key/value pair. + * + * Since: 2.16 + **/ +void +g_hash_table_iter_steal (GHashTableIter *iter) +{ + iter_remove_or_steal ((RealIter *) iter, FALSE); +} + + +/** + * g_hash_table_ref: + * @hash_table: a valid #GHashTable. + * + * Atomically increments the reference count of @hash_table by one. + * This function is MT-safe and may be called from any thread. + * + * Return value: the passed in #GHashTable. + * + * Since: 2.10 + **/ +GHashTable* +g_hash_table_ref (GHashTable *hash_table) +{ + g_return_val_if_fail (hash_table != NULL, NULL); + + g_atomic_int_inc (&hash_table->ref_count); + + return hash_table; +} + +/** + * g_hash_table_unref: + * @hash_table: a valid #GHashTable. + * + * Atomically decrements the reference count of @hash_table by one. + * If the reference count drops to 0, all keys and values will be + * destroyed, and all memory allocated by the hash table is released. + * This function is MT-safe and may be called from any thread. + * + * Since: 2.10 + **/ +void +g_hash_table_unref (GHashTable *hash_table) +{ + g_return_if_fail (hash_table != NULL); + + if (g_atomic_int_dec_and_test (&hash_table->ref_count)) + { + g_hash_table_remove_all_nodes (hash_table, TRUE); + if (hash_table->keys != hash_table->values) + g_free (hash_table->values); + g_free (hash_table->keys); + g_free (hash_table->hashes); + g_slice_free (GHashTable, hash_table); + } +} + +/** + * g_hash_table_destroy: + * @hash_table: a #GHashTable. + * + * Destroys all keys and values in the #GHashTable and decrements its + * reference count by 1. If keys and/or values are dynamically allocated, + * you should either free them first or create the #GHashTable with destroy + * notifiers using g_hash_table_new_full(). In the latter case the destroy + * functions you supplied will be called on all keys and values during the + * destruction phase. + **/ +void +g_hash_table_destroy (GHashTable *hash_table) +{ + g_return_if_fail (hash_table != NULL); + + g_hash_table_remove_all (hash_table); + g_hash_table_unref (hash_table); +} + +/** + * g_hash_table_lookup: + * @hash_table: a #GHashTable. + * @key: the key to look up. + * + * Looks up a key in a #GHashTable. Note that this function cannot + * distinguish between a key that is not present and one which is present + * and has the value %NULL. If you need this distinction, use + * g_hash_table_lookup_extended(). + * + * Return value: the associated value, or %NULL if the key is not found. + **/ +gpointer +g_hash_table_lookup (GHashTable *hash_table, + gconstpointer key) +{ + guint node_index; + guint node_hash; + + g_return_val_if_fail (hash_table != NULL, NULL); + + node_index = g_hash_table_lookup_node (hash_table, key, &node_hash); + + return HASH_IS_REAL (hash_table->hashes[node_index]) + ? hash_table->values[node_index] + : NULL; +} + +/** + * g_hash_table_lookup_extended: + * @hash_table: a #GHashTable + * @lookup_key: the key to look up + * @orig_key: return location for the original key, or %NULL + * @value: return location for the value associated with the key, or %NULL + * + * Looks up a key in the #GHashTable, returning the original key and the + * associated value and a #gboolean which is %TRUE if the key was found. This + * is useful if you need to free the memory allocated for the original key, + * for example before calling g_hash_table_remove(). + * + * You can actually pass %NULL for @lookup_key to test + * whether the %NULL key exists, provided the hash and equal functions + * of @hash_table are %NULL-safe. + * + * Return value: %TRUE if the key was found in the #GHashTable. + **/ +gboolean +g_hash_table_lookup_extended (GHashTable *hash_table, + gconstpointer lookup_key, + gpointer *orig_key, + gpointer *value) +{ + guint node_index; + guint node_hash; + + g_return_val_if_fail (hash_table != NULL, FALSE); + + node_index = g_hash_table_lookup_node (hash_table, lookup_key, &node_hash); + + if (!HASH_IS_REAL (hash_table->hashes[node_index])) + return FALSE; + + if (orig_key) + *orig_key = hash_table->keys[node_index]; + + if (value) + *value = hash_table->values[node_index]; + + return TRUE; +} + +/* + * g_hash_table_insert_internal: + * @hash_table: our #GHashTable + * @key: the key to insert + * @value: the value to insert + * @keep_new_key: if %TRUE and this key already exists in the table + * then call the destroy notify function on the old key. If %FALSE + * then call the destroy notify function on the new key. + * + * Implements the common logic for the g_hash_table_insert() and + * g_hash_table_replace() functions. + * + * Do a lookup of @key. If it is found, replace it with the new + * @value (and perhaps the new @key). If it is not found, create a + * new node. + */ +static void +g_hash_table_insert_internal (GHashTable *hash_table, + gpointer key, + gpointer value, + gboolean keep_new_key) +{ + guint key_hash; + guint node_index; + + g_return_if_fail (hash_table != NULL); + + node_index = g_hash_table_lookup_node (hash_table, key, &key_hash); + + g_hash_table_insert_node (hash_table, node_index, key_hash, key, value, keep_new_key, FALSE); +} + +/** + * g_hash_table_insert: + * @hash_table: a #GHashTable. + * @key: a key to insert. + * @value: the value to associate with the key. + * + * Inserts a new key and value into a #GHashTable. + * + * If the key already exists in the #GHashTable its current value is replaced + * with the new value. If you supplied a @value_destroy_func when creating the + * #GHashTable, the old value is freed using that function. If you supplied + * a @key_destroy_func when creating the #GHashTable, the passed key is freed + * using that function. + **/ +void +g_hash_table_insert (GHashTable *hash_table, + gpointer key, + gpointer value) +{ + g_hash_table_insert_internal (hash_table, key, value, FALSE); +} + +/** + * g_hash_table_replace: + * @hash_table: a #GHashTable. + * @key: a key to insert. + * @value: the value to associate with the key. + * + * Inserts a new key and value into a #GHashTable similar to + * g_hash_table_insert(). The difference is that if the key already exists + * in the #GHashTable, it gets replaced by the new key. If you supplied a + * @value_destroy_func when creating the #GHashTable, the old value is freed + * using that function. If you supplied a @key_destroy_func when creating the + * #GHashTable, the old key is freed using that function. + **/ +void +g_hash_table_replace (GHashTable *hash_table, + gpointer key, + gpointer value) +{ + g_hash_table_insert_internal (hash_table, key, value, TRUE); +} + +/* + * g_hash_table_remove_internal: + * @hash_table: our #GHashTable + * @key: the key to remove + * @notify: %TRUE if the destroy notify handlers are to be called + * Return value: %TRUE if a node was found and removed, else %FALSE + * + * Implements the common logic for the g_hash_table_remove() and + * g_hash_table_steal() functions. + * + * Do a lookup of @key and remove it if it is found, calling the + * destroy notify handlers only if @notify is %TRUE. + */ +static gboolean +g_hash_table_remove_internal (GHashTable *hash_table, + gconstpointer key, + gboolean notify) +{ + guint node_index; + guint node_hash; + + g_return_val_if_fail (hash_table != NULL, FALSE); + + node_index = g_hash_table_lookup_node (hash_table, key, &node_hash); + + if (!HASH_IS_REAL (hash_table->hashes[node_index])) + return FALSE; + + g_hash_table_remove_node (hash_table, node_index, notify); + g_hash_table_maybe_resize (hash_table); + +#ifndef G_DISABLE_ASSERT + hash_table->version++; +#endif + + return TRUE; +} + +/** + * g_hash_table_remove: + * @hash_table: a #GHashTable. + * @key: the key to remove. + * + * Removes a key and its associated value from a #GHashTable. + * + * If the #GHashTable was created using g_hash_table_new_full(), the + * key and value are freed using the supplied destroy functions, otherwise + * you have to make sure that any dynamically allocated values are freed + * yourself. + * + * Return value: %TRUE if the key was found and removed from the #GHashTable. + **/ +gboolean +g_hash_table_remove (GHashTable *hash_table, + gconstpointer key) +{ + return g_hash_table_remove_internal (hash_table, key, TRUE); +} + +/** + * g_hash_table_steal: + * @hash_table: a #GHashTable. + * @key: the key to remove. + * + * Removes a key and its associated value from a #GHashTable without + * calling the key and value destroy functions. + * + * Return value: %TRUE if the key was found and removed from the #GHashTable. + **/ +gboolean +g_hash_table_steal (GHashTable *hash_table, + gconstpointer key) +{ + return g_hash_table_remove_internal (hash_table, key, FALSE); +} + +/** + * g_hash_table_remove_all: + * @hash_table: a #GHashTable + * + * Removes all keys and their associated values from a #GHashTable. + * + * If the #GHashTable was created using g_hash_table_new_full(), the keys + * and values are freed using the supplied destroy functions, otherwise you + * have to make sure that any dynamically allocated values are freed + * yourself. + * + * Since: 2.12 + **/ +void +g_hash_table_remove_all (GHashTable *hash_table) +{ + g_return_if_fail (hash_table != NULL); + +#ifndef G_DISABLE_ASSERT + if (hash_table->nnodes != 0) + hash_table->version++; +#endif + + g_hash_table_remove_all_nodes (hash_table, TRUE); + g_hash_table_maybe_resize (hash_table); +} + +/** + * g_hash_table_steal_all: + * @hash_table: a #GHashTable. + * + * Removes all keys and their associated values from a #GHashTable + * without calling the key and value destroy functions. + * + * Since: 2.12 + **/ +void +g_hash_table_steal_all (GHashTable *hash_table) +{ + g_return_if_fail (hash_table != NULL); + +#ifndef G_DISABLE_ASSERT + if (hash_table->nnodes != 0) + hash_table->version++; +#endif + + g_hash_table_remove_all_nodes (hash_table, FALSE); + g_hash_table_maybe_resize (hash_table); +} + +/* + * g_hash_table_foreach_remove_or_steal: + * @hash_table: our #GHashTable + * @func: the user's callback function + * @user_data: data for @func + * @notify: %TRUE if the destroy notify handlers are to be called + * + * Implements the common logic for g_hash_table_foreach_remove() and + * g_hash_table_foreach_steal(). + * + * Iterates over every node in the table, calling @func with the key + * and value of the node (and @user_data). If @func returns %TRUE the + * node is removed from the table. + * + * If @notify is true then the destroy notify handlers will be called + * for each removed node. + */ +static guint +g_hash_table_foreach_remove_or_steal (GHashTable *hash_table, + GHRFunc func, + gpointer user_data, + gboolean notify) +{ + guint deleted = 0; + gint i; +#ifndef G_DISABLE_ASSERT + gint version = hash_table->version; +#endif + + for (i = 0; i < hash_table->size; i++) + { + guint node_hash = hash_table->hashes[i]; + gpointer node_key = hash_table->keys[i]; + gpointer node_value = hash_table->values[i]; + + if (HASH_IS_REAL (node_hash) && + (* func) (node_key, node_value, user_data)) + { + g_hash_table_remove_node (hash_table, i, notify); + deleted++; + } + +#ifndef G_DISABLE_ASSERT + g_return_val_if_fail (version == hash_table->version, 0); +#endif + } + + g_hash_table_maybe_resize (hash_table); + +#ifndef G_DISABLE_ASSERT + if (deleted > 0) + hash_table->version++; +#endif + + return deleted; +} + +/** + * g_hash_table_foreach_remove: + * @hash_table: a #GHashTable. + * @func: the function to call for each key/value pair. + * @user_data: user data to pass to the function. + * + * Calls the given function for each key/value pair in the #GHashTable. + * If the function returns %TRUE, then the key/value pair is removed from the + * #GHashTable. If you supplied key or value destroy functions when creating + * the #GHashTable, they are used to free the memory allocated for the removed + * keys and values. + * + * See #GHashTableIter for an alternative way to loop over the + * key/value pairs in the hash table. + * + * Return value: the number of key/value pairs removed. + **/ +guint +g_hash_table_foreach_remove (GHashTable *hash_table, + GHRFunc func, + gpointer user_data) +{ + g_return_val_if_fail (hash_table != NULL, 0); + g_return_val_if_fail (func != NULL, 0); + + return g_hash_table_foreach_remove_or_steal (hash_table, func, user_data, TRUE); +} + +/** + * g_hash_table_foreach_steal: + * @hash_table: a #GHashTable. + * @func: the function to call for each key/value pair. + * @user_data: user data to pass to the function. + * + * Calls the given function for each key/value pair in the #GHashTable. + * If the function returns %TRUE, then the key/value pair is removed from the + * #GHashTable, but no key or value destroy functions are called. + * + * See #GHashTableIter for an alternative way to loop over the + * key/value pairs in the hash table. + * + * Return value: the number of key/value pairs removed. + **/ +guint +g_hash_table_foreach_steal (GHashTable *hash_table, + GHRFunc func, + gpointer user_data) +{ + g_return_val_if_fail (hash_table != NULL, 0); + g_return_val_if_fail (func != NULL, 0); + + return g_hash_table_foreach_remove_or_steal (hash_table, func, user_data, FALSE); +} + +/** + * g_hash_table_foreach: + * @hash_table: a #GHashTable. + * @func: the function to call for each key/value pair. + * @user_data: user data to pass to the function. + * + * Calls the given function for each of the key/value pairs in the + * #GHashTable. The function is passed the key and value of each + * pair, and the given @user_data parameter. The hash table may not + * be modified while iterating over it (you can't add/remove + * items). To remove all items matching a predicate, use + * g_hash_table_foreach_remove(). + * + * See g_hash_table_find() for performance caveats for linear + * order searches in contrast to g_hash_table_lookup(). + **/ +void +g_hash_table_foreach (GHashTable *hash_table, + GHFunc func, + gpointer user_data) +{ + gint i; +#ifndef G_DISABLE_ASSERT + gint version = hash_table->version; +#endif + + g_return_if_fail (hash_table != NULL); + g_return_if_fail (func != NULL); + + for (i = 0; i < hash_table->size; i++) + { + guint node_hash = hash_table->hashes[i]; + gpointer node_key = hash_table->keys[i]; + gpointer node_value = hash_table->values[i]; + + if (HASH_IS_REAL (node_hash)) + (* func) (node_key, node_value, user_data); + +#ifndef G_DISABLE_ASSERT + g_return_if_fail (version == hash_table->version); +#endif + } +} + +/** + * g_hash_table_find: + * @hash_table: a #GHashTable. + * @predicate: function to test the key/value pairs for a certain property. + * @user_data: user data to pass to the function. + * + * Calls the given function for key/value pairs in the #GHashTable until + * @predicate returns %TRUE. The function is passed the key and value of + * each pair, and the given @user_data parameter. The hash table may not + * be modified while iterating over it (you can't add/remove items). + * + * Note, that hash tables are really only optimized for forward lookups, + * i.e. g_hash_table_lookup(). + * So code that frequently issues g_hash_table_find() or + * g_hash_table_foreach() (e.g. in the order of once per every entry in a + * hash table) should probably be reworked to use additional or different + * data structures for reverse lookups (keep in mind that an O(n) find/foreach + * operation issued for all n values in a hash table ends up needing O(n*n) + * operations). + * + * Return value: The value of the first key/value pair is returned, + * for which @predicate evaluates to %TRUE. If no pair with the + * requested property is found, %NULL is returned. + * + * Since: 2.4 + **/ +gpointer +g_hash_table_find (GHashTable *hash_table, + GHRFunc predicate, + gpointer user_data) +{ + gint i; +#ifndef G_DISABLE_ASSERT + gint version = hash_table->version; +#endif + gboolean match; + + g_return_val_if_fail (hash_table != NULL, NULL); + g_return_val_if_fail (predicate != NULL, NULL); + + match = FALSE; + + for (i = 0; i < hash_table->size; i++) + { + guint node_hash = hash_table->hashes[i]; + gpointer node_key = hash_table->keys[i]; + gpointer node_value = hash_table->values[i]; + + if (HASH_IS_REAL (node_hash)) + match = predicate (node_key, node_value, user_data); + +#ifndef G_DISABLE_ASSERT + g_return_val_if_fail (version == hash_table->version, NULL); +#endif + + if (match) + return node_value; + } + + return NULL; +} + +/** + * g_hash_table_size: + * @hash_table: a #GHashTable. + * + * Returns the number of elements contained in the #GHashTable. + * + * Return value: the number of key/value pairs in the #GHashTable. + **/ +guint +g_hash_table_size (GHashTable *hash_table) +{ + g_return_val_if_fail (hash_table != NULL, 0); + + return hash_table->nnodes; +} + +/** + * g_hash_table_get_keys: + * @hash_table: a #GHashTable + * + * Retrieves every key inside @hash_table. The returned data is valid + * until @hash_table is modified. + * + * Return value: a #GList containing all the keys inside the hash + * table. The content of the list is owned by the hash table and + * should not be modified or freed. Use g_list_free() when done + * using the list. + * + * Since: 2.14 + */ +GList * +g_hash_table_get_keys (GHashTable *hash_table) +{ + gint i; + GList *retval; + + g_return_val_if_fail (hash_table != NULL, NULL); + + retval = NULL; + for (i = 0; i < hash_table->size; i++) + { + if (HASH_IS_REAL (hash_table->hashes[i])) + retval = g_list_prepend (retval, hash_table->keys[i]); + } + + return retval; +} + +/** + * g_hash_table_get_values: + * @hash_table: a #GHashTable + * + * Retrieves every value inside @hash_table. The returned data is + * valid until @hash_table is modified. + * + * Return value: a #GList containing all the values inside the hash + * table. The content of the list is owned by the hash table and + * should not be modified or freed. Use g_list_free() when done + * using the list. + * + * Since: 2.14 + */ +GList * +g_hash_table_get_values (GHashTable *hash_table) +{ + gint i; + GList *retval; + + g_return_val_if_fail (hash_table != NULL, NULL); + + retval = NULL; + for (i = 0; i < hash_table->size; i++) + { + if (HASH_IS_REAL (hash_table->hashes[i])) + retval = g_list_prepend (retval, hash_table->values[i]); + } + + return retval; +} diff --git a/deps/glib/ghash.h b/deps/glib/ghash.h new file mode 100644 index 0000000..3bc8226 --- /dev/null +++ b/deps/glib/ghash.h @@ -0,0 +1,168 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_HASH_H__ +#define __G_HASH_H__ + +#include +#include + +G_BEGIN_DECLS + +typedef struct _GHashTable GHashTable; + +typedef gboolean (*GHRFunc) (gpointer key, + gpointer value, + gpointer user_data); + +typedef struct _GHashTableIter GHashTableIter; + +struct _GHashTableIter +{ + /*< private >*/ + gpointer dummy1; + gpointer dummy2; + gpointer dummy3; + int dummy4; + gboolean dummy5; + gpointer dummy6; +}; + +/* Hash tables + */ +GHashTable* g_hash_table_new (GHashFunc hash_func, + GEqualFunc key_equal_func); +GHashTable* g_hash_table_new_full (GHashFunc hash_func, + GEqualFunc key_equal_func, + GDestroyNotify key_destroy_func, + GDestroyNotify value_destroy_func); +void g_hash_table_destroy (GHashTable *hash_table); +void g_hash_table_insert (GHashTable *hash_table, + gpointer key, + gpointer value); +void g_hash_table_replace (GHashTable *hash_table, + gpointer key, + gpointer value); +gboolean g_hash_table_remove (GHashTable *hash_table, + gconstpointer key); +void g_hash_table_remove_all (GHashTable *hash_table); +gboolean g_hash_table_steal (GHashTable *hash_table, + gconstpointer key); +void g_hash_table_steal_all (GHashTable *hash_table); +gpointer g_hash_table_lookup (GHashTable *hash_table, + gconstpointer key); +gboolean g_hash_table_lookup_extended (GHashTable *hash_table, + gconstpointer lookup_key, + gpointer *orig_key, + gpointer *value); +void g_hash_table_foreach (GHashTable *hash_table, + GHFunc func, + gpointer user_data); +gpointer g_hash_table_find (GHashTable *hash_table, + GHRFunc predicate, + gpointer user_data); +guint g_hash_table_foreach_remove (GHashTable *hash_table, + GHRFunc func, + gpointer user_data); +guint g_hash_table_foreach_steal (GHashTable *hash_table, + GHRFunc func, + gpointer user_data); +guint g_hash_table_size (GHashTable *hash_table); +GList * g_hash_table_get_keys (GHashTable *hash_table); +GList * g_hash_table_get_values (GHashTable *hash_table); + +void g_hash_table_iter_init (GHashTableIter *iter, + GHashTable *hash_table); +gboolean g_hash_table_iter_next (GHashTableIter *iter, + gpointer *key, + gpointer *value); +GHashTable* g_hash_table_iter_get_hash_table (GHashTableIter *iter); +void g_hash_table_iter_remove (GHashTableIter *iter); +void g_hash_table_iter_replace (GHashTableIter *iter, + gpointer value); +void g_hash_table_iter_steal (GHashTableIter *iter); + +/* keeping hash tables alive */ +GHashTable* g_hash_table_ref (GHashTable *hash_table); +void g_hash_table_unref (GHashTable *hash_table); + +#ifndef G_DISABLE_DEPRECATED + +/** + * g_hash_table_freeze: + * @hash_table: a #GHashTable + * + * This function is deprecated and will be removed in the next major + * release of GLib. It does nothing. + **/ +#define g_hash_table_freeze(hash_table) ((void)0) + +/** + * g_hash_table_thaw: + * @hash_table: a #GHashTable + * + * This function is deprecated and will be removed in the next major + * release of GLib. It does nothing. + **/ +#define g_hash_table_thaw(hash_table) ((void)0) + +#endif /* G_DISABLE_DEPRECATED */ + +/* Hash Functions + */ +gboolean g_str_equal (gconstpointer v1, + gconstpointer v2); +guint g_str_hash (gconstpointer v); + +gboolean g_int_equal (gconstpointer v1, + gconstpointer v2); +guint g_int_hash (gconstpointer v); + +gboolean g_int64_equal (gconstpointer v1, + gconstpointer v2); +guint g_int64_hash (gconstpointer v); + +gboolean g_double_equal (gconstpointer v1, + gconstpointer v2); +guint g_double_hash (gconstpointer v); + +/* This "hash" function will just return the key's address as an + * unsigned integer. Useful for hashing on plain addresses or + * simple integer values. + * Passing NULL into g_hash_table_new() as GHashFunc has the + * same effect as passing g_direct_hash(). + */ +guint g_direct_hash (gconstpointer v) G_GNUC_CONST; +gboolean g_direct_equal (gconstpointer v1, + gconstpointer v2) G_GNUC_CONST; + +G_END_DECLS + +#endif /* __G_HASH_H__ */ diff --git a/deps/glib/ghook.c b/deps/glib/ghook.c new file mode 100644 index 0000000..1406b58 --- /dev/null +++ b/deps/glib/ghook.c @@ -0,0 +1,636 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * GHook: Callback maintenance functions + * Copyright (C) 1998 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" + +#include "ghook.h" + +#include "gtestutils.h" + + +/* --- functions --- */ +static void +default_finalize_hook (GHookList *hook_list, + GHook *hook) +{ + GDestroyNotify destroy = hook->destroy; + + if (destroy) + { + hook->destroy = NULL; + destroy (hook->data); + } +} + +void +g_hook_list_init (GHookList *hook_list, + guint hook_size) +{ + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook_size >= sizeof (GHook)); + + hook_list->seq_id = 1; + hook_list->hook_size = hook_size; + hook_list->is_setup = TRUE; + hook_list->hooks = NULL; + hook_list->dummy3 = NULL; + hook_list->finalize_hook = default_finalize_hook; + hook_list->dummy[0] = NULL; + hook_list->dummy[1] = NULL; +} + +void +g_hook_list_clear (GHookList *hook_list) +{ + g_return_if_fail (hook_list != NULL); + + if (hook_list->is_setup) + { + GHook *hook; + + hook_list->is_setup = FALSE; + + hook = hook_list->hooks; + if (!hook) + { + /* destroy hook_list->hook_memchunk */ + } + else + do + { + GHook *tmp; + + g_hook_ref (hook_list, hook); + g_hook_destroy_link (hook_list, hook); + tmp = hook->next; + g_hook_unref (hook_list, hook); + hook = tmp; + } + while (hook); + } +} + +GHook* +g_hook_alloc (GHookList *hook_list) +{ + GHook *hook; + + g_return_val_if_fail (hook_list != NULL, NULL); + g_return_val_if_fail (hook_list->is_setup, NULL); + + hook = g_slice_alloc0 (hook_list->hook_size); + hook->data = NULL; + hook->next = NULL; + hook->prev = NULL; + hook->flags = G_HOOK_FLAG_ACTIVE; + hook->ref_count = 0; + hook->hook_id = 0; + hook->func = NULL; + hook->destroy = NULL; + + return hook; +} + +void +g_hook_free (GHookList *hook_list, + GHook *hook) +{ + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook_list->is_setup); + g_return_if_fail (hook != NULL); + g_return_if_fail (G_HOOK_IS_UNLINKED (hook)); + g_return_if_fail (!G_HOOK_IN_CALL (hook)); + + if(hook_list->finalize_hook != NULL) + hook_list->finalize_hook (hook_list, hook); + g_slice_free1 (hook_list->hook_size, hook); +} + +void +g_hook_destroy_link (GHookList *hook_list, + GHook *hook) +{ + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook != NULL); + + hook->flags &= ~G_HOOK_FLAG_ACTIVE; + if (hook->hook_id) + { + hook->hook_id = 0; + g_hook_unref (hook_list, hook); /* counterpart to g_hook_insert_before */ + } +} + +gboolean +g_hook_destroy (GHookList *hook_list, + gulong hook_id) +{ + GHook *hook; + + g_return_val_if_fail (hook_list != NULL, FALSE); + g_return_val_if_fail (hook_id > 0, FALSE); + + hook = g_hook_get (hook_list, hook_id); + if (hook) + { + g_hook_destroy_link (hook_list, hook); + return TRUE; + } + + return FALSE; +} + +void +g_hook_unref (GHookList *hook_list, + GHook *hook) +{ + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook != NULL); + g_return_if_fail (hook->ref_count > 0); + + hook->ref_count--; + if (!hook->ref_count) + { + g_return_if_fail (hook->hook_id == 0); + g_return_if_fail (!G_HOOK_IN_CALL (hook)); + + if (hook->prev) + hook->prev->next = hook->next; + else + hook_list->hooks = hook->next; + if (hook->next) + { + hook->next->prev = hook->prev; + hook->next = NULL; + } + hook->prev = NULL; + + if (!hook_list->is_setup) + { + hook_list->is_setup = TRUE; + g_hook_free (hook_list, hook); + hook_list->is_setup = FALSE; + + if (!hook_list->hooks) + { + /* destroy hook_list->hook_memchunk */ + } + } + else + g_hook_free (hook_list, hook); + } +} + +GHook * +g_hook_ref (GHookList *hook_list, + GHook *hook) +{ + g_return_val_if_fail (hook_list != NULL, NULL); + g_return_val_if_fail (hook != NULL, NULL); + g_return_val_if_fail (hook->ref_count > 0, NULL); + + hook->ref_count++; + + return hook; +} + +void +g_hook_prepend (GHookList *hook_list, + GHook *hook) +{ + g_return_if_fail (hook_list != NULL); + + g_hook_insert_before (hook_list, hook_list->hooks, hook); +} + +void +g_hook_insert_before (GHookList *hook_list, + GHook *sibling, + GHook *hook) +{ + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook_list->is_setup); + g_return_if_fail (hook != NULL); + g_return_if_fail (G_HOOK_IS_UNLINKED (hook)); + g_return_if_fail (hook->ref_count == 0); + + hook->hook_id = hook_list->seq_id++; + hook->ref_count = 1; /* counterpart to g_hook_destroy_link */ + + if (sibling) + { + if (sibling->prev) + { + hook->prev = sibling->prev; + hook->prev->next = hook; + hook->next = sibling; + sibling->prev = hook; + } + else + { + hook_list->hooks = hook; + hook->next = sibling; + sibling->prev = hook; + } + } + else + { + if (hook_list->hooks) + { + sibling = hook_list->hooks; + while (sibling->next) + sibling = sibling->next; + hook->prev = sibling; + sibling->next = hook; + } + else + hook_list->hooks = hook; + } +} + +void +g_hook_list_invoke (GHookList *hook_list, + gboolean may_recurse) +{ + GHook *hook; + + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook_list->is_setup); + + hook = g_hook_first_valid (hook_list, may_recurse); + while (hook) + { + GHookFunc func; + gboolean was_in_call; + + func = (GHookFunc) hook->func; + + was_in_call = G_HOOK_IN_CALL (hook); + hook->flags |= G_HOOK_FLAG_IN_CALL; + func (hook->data); + if (!was_in_call) + hook->flags &= ~G_HOOK_FLAG_IN_CALL; + + hook = g_hook_next_valid (hook_list, hook, may_recurse); + } +} + +void +g_hook_list_invoke_check (GHookList *hook_list, + gboolean may_recurse) +{ + GHook *hook; + + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook_list->is_setup); + + hook = g_hook_first_valid (hook_list, may_recurse); + while (hook) + { + GHookCheckFunc func; + gboolean was_in_call; + gboolean need_destroy; + + func = (GHookCheckFunc) hook->func; + + was_in_call = G_HOOK_IN_CALL (hook); + hook->flags |= G_HOOK_FLAG_IN_CALL; + need_destroy = !func (hook->data); + if (!was_in_call) + hook->flags &= ~G_HOOK_FLAG_IN_CALL; + if (need_destroy) + g_hook_destroy_link (hook_list, hook); + + hook = g_hook_next_valid (hook_list, hook, may_recurse); + } +} + +void +g_hook_list_marshal_check (GHookList *hook_list, + gboolean may_recurse, + GHookCheckMarshaller marshaller, + gpointer data) +{ + GHook *hook; + + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook_list->is_setup); + g_return_if_fail (marshaller != NULL); + + hook = g_hook_first_valid (hook_list, may_recurse); + while (hook) + { + gboolean was_in_call; + gboolean need_destroy; + + was_in_call = G_HOOK_IN_CALL (hook); + hook->flags |= G_HOOK_FLAG_IN_CALL; + need_destroy = !marshaller (hook, data); + if (!was_in_call) + hook->flags &= ~G_HOOK_FLAG_IN_CALL; + if (need_destroy) + g_hook_destroy_link (hook_list, hook); + + hook = g_hook_next_valid (hook_list, hook, may_recurse); + } +} + +void +g_hook_list_marshal (GHookList *hook_list, + gboolean may_recurse, + GHookMarshaller marshaller, + gpointer data) +{ + GHook *hook; + + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook_list->is_setup); + g_return_if_fail (marshaller != NULL); + + hook = g_hook_first_valid (hook_list, may_recurse); + while (hook) + { + gboolean was_in_call; + + was_in_call = G_HOOK_IN_CALL (hook); + hook->flags |= G_HOOK_FLAG_IN_CALL; + marshaller (hook, data); + if (!was_in_call) + hook->flags &= ~G_HOOK_FLAG_IN_CALL; + + hook = g_hook_next_valid (hook_list, hook, may_recurse); + } +} + +GHook* +g_hook_first_valid (GHookList *hook_list, + gboolean may_be_in_call) +{ + g_return_val_if_fail (hook_list != NULL, NULL); + + if (hook_list->is_setup) + { + GHook *hook; + + hook = hook_list->hooks; + if (hook) + { + g_hook_ref (hook_list, hook); + if (G_HOOK_IS_VALID (hook) && (may_be_in_call || !G_HOOK_IN_CALL (hook))) + return hook; + else + return g_hook_next_valid (hook_list, hook, may_be_in_call); + } + } + + return NULL; +} + +GHook* +g_hook_next_valid (GHookList *hook_list, + GHook *hook, + gboolean may_be_in_call) +{ + GHook *ohook = hook; + + g_return_val_if_fail (hook_list != NULL, NULL); + + if (!hook) + return NULL; + + hook = hook->next; + while (hook) + { + if (G_HOOK_IS_VALID (hook) && (may_be_in_call || !G_HOOK_IN_CALL (hook))) + { + g_hook_ref (hook_list, hook); + g_hook_unref (hook_list, ohook); + + return hook; + } + hook = hook->next; + } + g_hook_unref (hook_list, ohook); + + return NULL; +} + +GHook* +g_hook_get (GHookList *hook_list, + gulong hook_id) +{ + GHook *hook; + + g_return_val_if_fail (hook_list != NULL, NULL); + g_return_val_if_fail (hook_id > 0, NULL); + + hook = hook_list->hooks; + while (hook) + { + if (hook->hook_id == hook_id) + return hook; + hook = hook->next; + } + + return NULL; +} + +GHook* +g_hook_find (GHookList *hook_list, + gboolean need_valids, + GHookFindFunc func, + gpointer data) +{ + GHook *hook; + + g_return_val_if_fail (hook_list != NULL, NULL); + g_return_val_if_fail (func != NULL, NULL); + + hook = hook_list->hooks; + while (hook) + { + GHook *tmp; + + /* test only non-destroyed hooks */ + if (!hook->hook_id) + { + hook = hook->next; + continue; + } + + g_hook_ref (hook_list, hook); + + if (func (hook, data) && hook->hook_id && (!need_valids || G_HOOK_ACTIVE (hook))) + { + g_hook_unref (hook_list, hook); + + return hook; + } + + tmp = hook->next; + g_hook_unref (hook_list, hook); + hook = tmp; + } + + return NULL; +} + +GHook* +g_hook_find_data (GHookList *hook_list, + gboolean need_valids, + gpointer data) +{ + GHook *hook; + + g_return_val_if_fail (hook_list != NULL, NULL); + + hook = hook_list->hooks; + while (hook) + { + /* test only non-destroyed hooks */ + if (hook->data == data && + hook->hook_id && + (!need_valids || G_HOOK_ACTIVE (hook))) + return hook; + + hook = hook->next; + } + + return NULL; +} + +GHook* +g_hook_find_func (GHookList *hook_list, + gboolean need_valids, + gpointer func) +{ + GHook *hook; + + g_return_val_if_fail (hook_list != NULL, NULL); + g_return_val_if_fail (func != NULL, NULL); + + hook = hook_list->hooks; + while (hook) + { + /* test only non-destroyed hooks */ + if (hook->func == func && + hook->hook_id && + (!need_valids || G_HOOK_ACTIVE (hook))) + return hook; + + hook = hook->next; + } + + return NULL; +} + +GHook* +g_hook_find_func_data (GHookList *hook_list, + gboolean need_valids, + gpointer func, + gpointer data) +{ + GHook *hook; + + g_return_val_if_fail (hook_list != NULL, NULL); + g_return_val_if_fail (func != NULL, NULL); + + hook = hook_list->hooks; + while (hook) + { + /* test only non-destroyed hooks */ + if (hook->data == data && + hook->func == func && + hook->hook_id && + (!need_valids || G_HOOK_ACTIVE (hook))) + return hook; + + hook = hook->next; + } + + return NULL; +} + +void +g_hook_insert_sorted (GHookList *hook_list, + GHook *hook, + GHookCompareFunc func) +{ + GHook *sibling; + + g_return_if_fail (hook_list != NULL); + g_return_if_fail (hook_list->is_setup); + g_return_if_fail (hook != NULL); + g_return_if_fail (G_HOOK_IS_UNLINKED (hook)); + g_return_if_fail (hook->func != NULL); + g_return_if_fail (func != NULL); + + /* first non-destroyed hook */ + sibling = hook_list->hooks; + while (sibling && !sibling->hook_id) + sibling = sibling->next; + + while (sibling) + { + GHook *tmp; + + g_hook_ref (hook_list, sibling); + if (func (hook, sibling) <= 0 && sibling->hook_id) + { + g_hook_unref (hook_list, sibling); + break; + } + + /* next non-destroyed hook */ + tmp = sibling->next; + while (tmp && !tmp->hook_id) + tmp = tmp->next; + + g_hook_unref (hook_list, sibling); + sibling = tmp; + } + + g_hook_insert_before (hook_list, sibling, hook); +} + +gint +g_hook_compare_ids (GHook *new_hook, + GHook *sibling) +{ + if (new_hook->hook_id < sibling->hook_id) + return -1; + else if (new_hook->hook_id > sibling->hook_id) + return 1; + + return 0; +} diff --git a/deps/glib/ghook.h b/deps/glib/ghook.h new file mode 100644 index 0000000..5577fc3 --- /dev/null +++ b/deps/glib/ghook.h @@ -0,0 +1,181 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_HOOK_H__ +#define __G_HOOK_H__ + +#include + +G_BEGIN_DECLS + + +/* --- typedefs --- */ +typedef struct _GHook GHook; +typedef struct _GHookList GHookList; + +typedef gint (*GHookCompareFunc) (GHook *new_hook, + GHook *sibling); +typedef gboolean (*GHookFindFunc) (GHook *hook, + gpointer data); +typedef void (*GHookMarshaller) (GHook *hook, + gpointer marshal_data); +typedef gboolean (*GHookCheckMarshaller) (GHook *hook, + gpointer marshal_data); +typedef void (*GHookFunc) (gpointer data); +typedef gboolean (*GHookCheckFunc) (gpointer data); +typedef void (*GHookFinalizeFunc) (GHookList *hook_list, + GHook *hook); +typedef enum +{ + G_HOOK_FLAG_ACTIVE = 1 << 0, + G_HOOK_FLAG_IN_CALL = 1 << 1, + G_HOOK_FLAG_MASK = 0x0f +} GHookFlagMask; +#define G_HOOK_FLAG_USER_SHIFT (4) + + +/* --- structures --- */ +struct _GHookList +{ + gulong seq_id; + guint hook_size : 16; + guint is_setup : 1; + GHook *hooks; + gpointer dummy3; + GHookFinalizeFunc finalize_hook; + gpointer dummy[2]; +}; +struct _GHook +{ + gpointer data; + GHook *next; + GHook *prev; + guint ref_count; + gulong hook_id; + guint flags; + gpointer func; + GDestroyNotify destroy; +}; + + +/* --- macros --- */ +#define G_HOOK(hook) ((GHook*) (hook)) +#define G_HOOK_FLAGS(hook) (G_HOOK (hook)->flags) +#define G_HOOK_ACTIVE(hook) ((G_HOOK_FLAGS (hook) & \ + G_HOOK_FLAG_ACTIVE) != 0) +#define G_HOOK_IN_CALL(hook) ((G_HOOK_FLAGS (hook) & \ + G_HOOK_FLAG_IN_CALL) != 0) +#define G_HOOK_IS_VALID(hook) (G_HOOK (hook)->hook_id != 0 && \ + (G_HOOK_FLAGS (hook) & \ + G_HOOK_FLAG_ACTIVE)) +#define G_HOOK_IS_UNLINKED(hook) (G_HOOK (hook)->next == NULL && \ + G_HOOK (hook)->prev == NULL && \ + G_HOOK (hook)->hook_id == 0 && \ + G_HOOK (hook)->ref_count == 0) + + +/* --- prototypes --- */ +/* callback maintenance functions */ +void g_hook_list_init (GHookList *hook_list, + guint hook_size); +void g_hook_list_clear (GHookList *hook_list); +GHook* g_hook_alloc (GHookList *hook_list); +void g_hook_free (GHookList *hook_list, + GHook *hook); +GHook * g_hook_ref (GHookList *hook_list, + GHook *hook); +void g_hook_unref (GHookList *hook_list, + GHook *hook); +gboolean g_hook_destroy (GHookList *hook_list, + gulong hook_id); +void g_hook_destroy_link (GHookList *hook_list, + GHook *hook); +void g_hook_prepend (GHookList *hook_list, + GHook *hook); +void g_hook_insert_before (GHookList *hook_list, + GHook *sibling, + GHook *hook); +void g_hook_insert_sorted (GHookList *hook_list, + GHook *hook, + GHookCompareFunc func); +GHook* g_hook_get (GHookList *hook_list, + gulong hook_id); +GHook* g_hook_find (GHookList *hook_list, + gboolean need_valids, + GHookFindFunc func, + gpointer data); +GHook* g_hook_find_data (GHookList *hook_list, + gboolean need_valids, + gpointer data); +GHook* g_hook_find_func (GHookList *hook_list, + gboolean need_valids, + gpointer func); +GHook* g_hook_find_func_data (GHookList *hook_list, + gboolean need_valids, + gpointer func, + gpointer data); +/* return the first valid hook, and increment its reference count */ +GHook* g_hook_first_valid (GHookList *hook_list, + gboolean may_be_in_call); +/* return the next valid hook with incremented reference count, and + * decrement the reference count of the original hook + */ +GHook* g_hook_next_valid (GHookList *hook_list, + GHook *hook, + gboolean may_be_in_call); +/* GHookCompareFunc implementation to insert hooks sorted by their id */ +gint g_hook_compare_ids (GHook *new_hook, + GHook *sibling); +/* convenience macros */ +#define g_hook_append( hook_list, hook ) \ + g_hook_insert_before ((hook_list), NULL, (hook)) +/* invoke all valid hooks with the (*GHookFunc) signature. + */ +void g_hook_list_invoke (GHookList *hook_list, + gboolean may_recurse); +/* invoke all valid hooks with the (*GHookCheckFunc) signature, + * and destroy the hook if FALSE is returned. + */ +void g_hook_list_invoke_check (GHookList *hook_list, + gboolean may_recurse); +/* invoke a marshaller on all valid hooks. + */ +void g_hook_list_marshal (GHookList *hook_list, + gboolean may_recurse, + GHookMarshaller marshaller, + gpointer marshal_data); +void g_hook_list_marshal_check (GHookList *hook_list, + gboolean may_recurse, + GHookCheckMarshaller marshaller, + gpointer marshal_data); + +G_END_DECLS + +#endif /* __G_HOOK_H__ */ diff --git a/deps/glib/gi18n-lib.h b/deps/glib/gi18n-lib.h new file mode 100644 index 0000000..ca002a7 --- /dev/null +++ b/deps/glib/gi18n-lib.h @@ -0,0 +1,38 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997, 2002 Peter Mattis, Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __G_I18N_LIB_H__ +#define __G_I18N_LIB_H__ + +#include + +#include +#include + +#ifndef GETTEXT_PACKAGE +#error You must define GETTEXT_PACKAGE before including gi18n-lib.h. Did you forget to include config.h? +#endif + +#define _(String) ((char *) g_dgettext (GETTEXT_PACKAGE, String)) +#define Q_(String) g_dpgettext (GETTEXT_PACKAGE, String, 0) +#define N_(String) (String) +#define C_(Context,String) g_dpgettext (GETTEXT_PACKAGE, Context "\004" String, strlen (Context) + 1) +#define NC_(Context, String) (String) + +#endif /* __G_I18N_LIB_H__ */ diff --git a/deps/glib/glib-object.h b/deps/glib/glib-object.h new file mode 100644 index 0000000..88a6582 --- /dev/null +++ b/deps/glib/glib-object.h @@ -0,0 +1,6 @@ +#ifndef __GLIB_OBJECT_H__ +#define __GLIB_OBJECT_H__ + +#include "glib.h" + +#endif /* __GLIB_OBJECT_H__ */ diff --git a/deps/glib/glib.h b/deps/glib/glib.h new file mode 100644 index 0000000..2b06acb --- /dev/null +++ b/deps/glib/glib.h @@ -0,0 +1,29 @@ +#ifndef __GLIB_H__ +#define __GLIB_H__ + +#define __GLIB_H_INSIDE__ + +#include "gtypes.h" +#include "glibconfig.h" +#include "gmacros.h" +#include "gquark.h" +#include "gstrfuncs.h" +#include "gmessages.h" +#include "gmem.h" +#include "galloca.h" +#include "gslice.h" +#include "gstring.h" +#include "ghook.h" +#include "garray.h" +#include "gslist.h" +#include "glist.h" +#include "gqueue.h" +#include "gtestutils.h" +#include "gqsort.h" +#include "gatomic.h" +#include "gthread.h" +#include "ghash.h" +#include "gfileutils.h" +#include "gconvert.h" + +#endif /* __GLIB_H__ */ diff --git a/deps/glib/glib_trace.h b/deps/glib/glib_trace.h new file mode 100644 index 0000000..789e88d --- /dev/null +++ b/deps/glib/glib_trace.h @@ -0,0 +1,43 @@ +/* GLIB - Library of useful routines for C programming + * + * Copyright (C) 2009,2010 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General + * Public License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place, Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Alexander Larsson + */ + +#ifndef __GLIBTRACE_H__ +#define __GLIBTRACE_H__ + +#ifndef SIZEOF_CHAR +#error "config.h must be included prior to glib_trace.h" +#endif + +#ifdef HAVE_DTRACE + +/* include the generated probes header and put markers in code */ +#include "glib_probes.h" +#define TRACE(probe) probe + +#else + +/* Wrap the probe to allow it to be removed when no systemtap available */ +#define TRACE(probe) + +#endif + +#endif /* __GLIBTRACE_H__ */ diff --git a/deps/glib/glibintl.h b/deps/glib/glibintl.h new file mode 100644 index 0000000..9dc9a0f --- /dev/null +++ b/deps/glib/glibintl.h @@ -0,0 +1,42 @@ +#ifndef __GLIBINTL_H__ +#define __GLIBINTL_H__ + +#ifndef SIZEOF_CHAR +#error "config.h must be included prior to glibintl.h" +#endif + +const gchar * glib_gettext (const gchar *str) G_GNUC_FORMAT(1); +const gchar * glib_pgettext (const gchar *msgctxtid, + gsize msgidoffset) G_GNUC_FORMAT(1); + +#ifdef ENABLE_NLS + +#include +#define _(String) glib_gettext(String) +/* Split out this in the code, but keep it in the same domain for now */ +#define P_(String) glib_gettext(String) +#define C_(Context,String) glib_pgettext (Context "\004" String, strlen (Context) + 1) + +#ifdef gettext_noop +#define N_(String) gettext_noop(String) +#else +#define N_(String) (String) +#endif +#else /* NLS is disabled */ +#define _(String) (String) +#define N_(String) (String) +#define P_(String) (String) +#define C_(Context,String) (String) +#define textdomain(String) ((String) ? (String) : "messages") +#define gettext(String) (String) +#define dgettext(Domain,String) (String) +#define dcgettext(Domain,String,Type) (String) +#define dngettext(Domain,String1,String2,N) ((N) == 1 ? (String1) : (String2)) +#define bindtextdomain(Domain,Directory) +#define bind_textdomain_codeset(Domain,Codeset) +#endif + +/* not really I18N-related, but also a string marker macro */ +#define I_(string) g_intern_static_string (string) + +#endif /* __GLIBINTL_H__ */ diff --git a/deps/glib/glist.c b/deps/glib/glist.c new file mode 100644 index 0000000..1e3dd86 --- /dev/null +++ b/deps/glib/glist.c @@ -0,0 +1,1170 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" + +#include "glist.h" + +#include "gtestutils.h" + +/** + * SECTION:linked_lists_double + * @title: Doubly-Linked Lists + * @short_description: linked lists containing integer values or + * pointers to data, with the ability to iterate + * over the list in both directions + * + * The #GList structure and its associated functions provide a standard + * doubly-linked list data structure. + * + * Each element in the list contains a piece of data, together with + * pointers which link to the previous and next elements in the list. + * Using these pointers it is possible to move through the list in both + * directions (unlike the Singly-Linked Lists which + * only allows movement through the list in the forward direction). + * + * The data contained in each element can be either integer values, by + * using one of the Type + * Conversion Macros, or simply pointers to any type of data. + * + * List elements are allocated from the slice allocator, which is more + * efficient than allocating elements individually. + * + * Note that most of the #GList functions expect to be passed a pointer + * to the first element in the list. The functions which insert + * elements return the new start of the list, which may have changed. + * + * There is no function to create a #GList. %NULL is considered to be + * the empty list so you simply set a #GList* to %NULL. + * + * To add elements, use g_list_append(), g_list_prepend(), + * g_list_insert() and g_list_insert_sorted(). + * + * To remove elements, use g_list_remove(). + * + * To find elements in the list use g_list_first(), g_list_last(), + * g_list_next(), g_list_previous(), g_list_nth(), g_list_nth_data(), + * g_list_find() and g_list_find_custom(). + * + * To find the index of an element use g_list_position() and + * g_list_index(). + * + * To call a function for each element in the list use g_list_foreach(). + * + * To free the entire list, use g_list_free(). + **/ + +/** + * GList: + * @data: holds the element's data, which can be a pointer to any kind + * of data, or any integer value using the Type Conversion + * Macros. + * @next: contains the link to the next element in the list. + * @prev: contains the link to the previous element in the list. + * + * The #GList struct is used for each element in a doubly-linked list. + **/ + +/** + * g_list_previous: + * @list: an element in a #GList. + * @Returns: the previous element, or %NULL if there are no previous + * elements. + * + * A convenience macro to get the previous element in a #GList. + **/ + +/** + * g_list_next: + * @list: an element in a #GList. + * @Returns: the next element, or %NULL if there are no more elements. + * + * A convenience macro to get the next element in a #GList. + **/ + + + +/** + * g_list_push_allocator: + * @allocator: the #GAllocator to use when allocating #GList elements. + * + * Sets the allocator to use to allocate #GList elements. Use + * g_list_pop_allocator() to restore the previous allocator. + * + * Note that this function is not available if GLib has been compiled + * with + * + * Deprecated:2.10: It does nothing, since #GList has been converted + * to the slice + * allocator + **/ +void g_list_push_allocator (gpointer dummy) { /* present for binary compat only */ } + +/** + * g_list_pop_allocator: + * + * Restores the previous #GAllocator, used when allocating #GList + * elements. + * + * Note that this function is not available if GLib has been compiled + * with + * + * Deprecated:2.10: It does nothing, since #GList has been converted + * to the slice + * allocator + **/ +void g_list_pop_allocator (void) { /* present for binary compat only */ } + +#define _g_list_alloc() g_slice_new (GList) +#define _g_list_alloc0() g_slice_new0 (GList) +#define _g_list_free1(list) g_slice_free (GList, list) + +/** + * g_list_alloc: + * @Returns: a pointer to the newly-allocated #GList element. + * + * Allocates space for one #GList element. It is called by + * g_list_append(), g_list_prepend(), g_list_insert() and + * g_list_insert_sorted() and so is rarely used on its own. + **/ +GList* +g_list_alloc (void) +{ + return _g_list_alloc0 (); +} + +/** + * g_list_free: + * @list: a #GList + * + * Frees all of the memory used by a #GList. + * The freed elements are returned to the slice allocator. + * + * + * If list elements contain dynamically-allocated memory, + * you should either use g_list_free_full() or free them manually + * first. + * + */ +void +g_list_free (GList *list) +{ + g_slice_free_chain (GList, list, next); +} + +/** + * g_list_free_1: + * @list: a #GList element + * + * Frees one #GList element. + * It is usually used after g_list_remove_link(). + */ +/** + * g_list_free1: + * + * Another name for g_list_free_1(). + **/ +void +g_list_free_1 (GList *list) +{ + _g_list_free1 (list); +} + +/** + * g_list_free_full: + * @list: a pointer to a #GList + * @free_func: the function to be called to free each element's data + * + * Convenience method, which frees all the memory used by a #GList, and + * calls the specified destroy function on every element's data. + * + * Since: 2.28 + */ +void +g_list_free_full (GList *list, + GDestroyNotify free_func) +{ + g_list_foreach (list, (GFunc) free_func, NULL); + g_list_free (list); +} + +/** + * g_list_append: + * @list: a pointer to a #GList + * @data: the data for the new element + * + * Adds a new element on to the end of the list. + * + * + * The return value is the new start of the list, which + * may have changed, so make sure you store the new value. + * + * + * + * Note that g_list_append() has to traverse the entire list + * to find the end, which is inefficient when adding multiple + * elements. A common idiom to avoid the inefficiency is to prepend + * the elements and reverse the list when all elements have been added. + * + * + * |[ + * /* Notice that these are initialized to the empty list. */ + * GList *list = NULL, *number_list = NULL; + * + * /* This is a list of strings. */ + * list = g_list_append (list, "first"); + * list = g_list_append (list, "second"); + * + * /* This is a list of integers. */ + * number_list = g_list_append (number_list, GINT_TO_POINTER (27)); + * number_list = g_list_append (number_list, GINT_TO_POINTER (14)); + * ]| + * + * Returns: the new start of the #GList + */ +GList* +g_list_append (GList *list, + gpointer data) +{ + GList *new_list; + GList *last; + + new_list = _g_list_alloc (); + new_list->data = data; + new_list->next = NULL; + + if (list) + { + last = g_list_last (list); + /* g_assert (last != NULL); */ + last->next = new_list; + new_list->prev = last; + + return list; + } + else + { + new_list->prev = NULL; + return new_list; + } +} + +/** + * g_list_prepend: + * @list: a pointer to a #GList + * @data: the data for the new element + * + * Adds a new element on to the start of the list. + * + * + * The return value is the new start of the list, which + * may have changed, so make sure you store the new value. + * + * + * |[ + * /* Notice that it is initialized to the empty list. */ + * GList *list = NULL; + * list = g_list_prepend (list, "last"); + * list = g_list_prepend (list, "first"); + * ]| + * + * Returns: the new start of the #GList + */ +GList* +g_list_prepend (GList *list, + gpointer data) +{ + GList *new_list; + + new_list = _g_list_alloc (); + new_list->data = data; + new_list->next = list; + + if (list) + { + new_list->prev = list->prev; + if (list->prev) + list->prev->next = new_list; + list->prev = new_list; + } + else + new_list->prev = NULL; + + return new_list; +} + +/** + * g_list_insert: + * @list: a pointer to a #GList + * @data: the data for the new element + * @position: the position to insert the element. If this is + * negative, or is larger than the number of elements in the + * list, the new element is added on to the end of the list. + * + * Inserts a new element into the list at the given position. + * + * Returns: the new start of the #GList + */ +GList* +g_list_insert (GList *list, + gpointer data, + gint position) +{ + GList *new_list; + GList *tmp_list; + + if (position < 0) + return g_list_append (list, data); + else if (position == 0) + return g_list_prepend (list, data); + + tmp_list = g_list_nth (list, position); + if (!tmp_list) + return g_list_append (list, data); + + new_list = _g_list_alloc (); + new_list->data = data; + new_list->prev = tmp_list->prev; + if (tmp_list->prev) + tmp_list->prev->next = new_list; + new_list->next = tmp_list; + tmp_list->prev = new_list; + + if (tmp_list == list) + return new_list; + else + return list; +} + +/** + * g_list_insert_before: + * @list: a pointer to a #GList + * @sibling: the list element before which the new element + * is inserted or %NULL to insert at the end of the list + * @data: the data for the new element + * + * Inserts a new element into the list before the given position. + * + * Returns: the new start of the #GList + */ +GList* +g_list_insert_before (GList *list, + GList *sibling, + gpointer data) +{ + if (!list) + { + list = g_list_alloc (); + list->data = data; + g_return_val_if_fail (sibling == NULL, list); + return list; + } + else if (sibling) + { + GList *node; + + node = _g_list_alloc (); + node->data = data; + node->prev = sibling->prev; + node->next = sibling; + sibling->prev = node; + if (node->prev) + { + node->prev->next = node; + return list; + } + else + { + g_return_val_if_fail (sibling == list, node); + return node; + } + } + else + { + GList *last; + + last = list; + while (last->next) + last = last->next; + + last->next = _g_list_alloc (); + last->next->data = data; + last->next->prev = last; + last->next->next = NULL; + + return list; + } +} + +/** + * g_list_concat: + * @list1: a #GList + * @list2: the #GList to add to the end of the first #GList + * + * Adds the second #GList onto the end of the first #GList. + * Note that the elements of the second #GList are not copied. + * They are used directly. + * + * Returns: the start of the new #GList + */ +GList * +g_list_concat (GList *list1, GList *list2) +{ + GList *tmp_list; + + if (list2) + { + tmp_list = g_list_last (list1); + if (tmp_list) + tmp_list->next = list2; + else + list1 = list2; + list2->prev = tmp_list; + } + + return list1; +} + +/** + * g_list_remove: + * @list: a #GList + * @data: the data of the element to remove + * + * Removes an element from a #GList. + * If two elements contain the same data, only the first is removed. + * If none of the elements contain the data, the #GList is unchanged. + * + * Returns: the new start of the #GList + */ +GList* +g_list_remove (GList *list, + gconstpointer data) +{ + GList *tmp; + + tmp = list; + while (tmp) + { + if (tmp->data != data) + tmp = tmp->next; + else + { + if (tmp->prev) + tmp->prev->next = tmp->next; + if (tmp->next) + tmp->next->prev = tmp->prev; + + if (list == tmp) + list = list->next; + + _g_list_free1 (tmp); + + break; + } + } + return list; +} + +/** + * g_list_remove_all: + * @list: a #GList + * @data: data to remove + * + * Removes all list nodes with data equal to @data. + * Returns the new head of the list. Contrast with + * g_list_remove() which removes only the first node + * matching the given data. + * + * Returns: new head of @list + */ +GList* +g_list_remove_all (GList *list, + gconstpointer data) +{ + GList *tmp = list; + + while (tmp) + { + if (tmp->data != data) + tmp = tmp->next; + else + { + GList *next = tmp->next; + + if (tmp->prev) + tmp->prev->next = next; + else + list = next; + if (next) + next->prev = tmp->prev; + + _g_list_free1 (tmp); + tmp = next; + } + } + return list; +} + +static inline GList* +_g_list_remove_link (GList *list, + GList *link) +{ + if (link) + { + if (link->prev) + link->prev->next = link->next; + if (link->next) + link->next->prev = link->prev; + + if (link == list) + list = list->next; + + link->next = NULL; + link->prev = NULL; + } + + return list; +} + +/** + * g_list_remove_link: + * @list: a #GList + * @llink: an element in the #GList + * + * Removes an element from a #GList, without freeing the element. + * The removed element's prev and next links are set to %NULL, so + * that it becomes a self-contained list with one element. + * + * Returns: the new start of the #GList, without the element + */ +GList* +g_list_remove_link (GList *list, + GList *llink) +{ + return _g_list_remove_link (list, llink); +} + +/** + * g_list_delete_link: + * @list: a #GList + * @link_: node to delete from @list + * + * Removes the node link_ from the list and frees it. + * Compare this to g_list_remove_link() which removes the node + * without freeing it. + * + * Returns: the new head of @list + */ +GList* +g_list_delete_link (GList *list, + GList *link_) +{ + list = _g_list_remove_link (list, link_); + _g_list_free1 (link_); + + return list; +} + +/** + * g_list_copy: + * @list: a #GList + * + * Copies a #GList. + * + * + * Note that this is a "shallow" copy. If the list elements + * consist of pointers to data, the pointers are copied but + * the actual data is not. + * + * + * Returns: a copy of @list + */ +GList* +g_list_copy (GList *list) +{ + GList *new_list = NULL; + + if (list) + { + GList *last; + + new_list = _g_list_alloc (); + new_list->data = list->data; + new_list->prev = NULL; + last = new_list; + list = list->next; + while (list) + { + last->next = _g_list_alloc (); + last->next->prev = last; + last = last->next; + last->data = list->data; + list = list->next; + } + last->next = NULL; + } + + return new_list; +} + +/** + * g_list_reverse: + * @list: a #GList + * + * Reverses a #GList. + * It simply switches the next and prev pointers of each element. + * + * Returns: the start of the reversed #GList + */ +GList* +g_list_reverse (GList *list) +{ + GList *last; + + last = NULL; + while (list) + { + last = list; + list = last->next; + last->next = last->prev; + last->prev = list; + } + + return last; +} + +/** + * g_list_nth: + * @list: a #GList + * @n: the position of the element, counting from 0 + * + * Gets the element at the given position in a #GList. + * + * Returns: the element, or %NULL if the position is off + * the end of the #GList + */ +GList* +g_list_nth (GList *list, + guint n) +{ + while ((n-- > 0) && list) + list = list->next; + + return list; +} + +/** + * g_list_nth_prev: + * @list: a #GList + * @n: the position of the element, counting from 0 + * + * Gets the element @n places before @list. + * + * Returns: the element, or %NULL if the position is + * off the end of the #GList + */ +GList* +g_list_nth_prev (GList *list, + guint n) +{ + while ((n-- > 0) && list) + list = list->prev; + + return list; +} + +/** + * g_list_nth_data: + * @list: a #GList + * @n: the position of the element + * + * Gets the data of the element at the given position. + * + * Returns: the element's data, or %NULL if the position + * is off the end of the #GList + */ +gpointer +g_list_nth_data (GList *list, + guint n) +{ + while ((n-- > 0) && list) + list = list->next; + + return list ? list->data : NULL; +} + +/** + * g_list_find: + * @list: a #GList + * @data: the element data to find + * + * Finds the element in a #GList which + * contains the given data. + * + * Returns: the found #GList element, + * or %NULL if it is not found + */ +GList* +g_list_find (GList *list, + gconstpointer data) +{ + while (list) + { + if (list->data == data) + break; + list = list->next; + } + + return list; +} + +/** + * g_list_find_custom: + * @list: a #GList + * @data: user data passed to the function + * @func: the function to call for each element. + * It should return 0 when the desired element is found + * + * Finds an element in a #GList, using a supplied function to + * find the desired element. It iterates over the list, calling + * the given function which should return 0 when the desired + * element is found. The function takes two #gconstpointer arguments, + * the #GList element's data as the first argument and the + * given user data. + * + * Returns: the found #GList element, or %NULL if it is not found + */ +GList* +g_list_find_custom (GList *list, + gconstpointer data, + GCompareFunc func) +{ + g_return_val_if_fail (func != NULL, list); + + while (list) + { + if (! func (list->data, data)) + return list; + list = list->next; + } + + return NULL; +} + + +/** + * g_list_position: + * @list: a #GList + * @llink: an element in the #GList + * + * Gets the position of the given element + * in the #GList (starting from 0). + * + * Returns: the position of the element in the #GList, + * or -1 if the element is not found + */ +gint +g_list_position (GList *list, + GList *llink) +{ + gint i; + + i = 0; + while (list) + { + if (list == llink) + return i; + i++; + list = list->next; + } + + return -1; +} + +/** + * g_list_index: + * @list: a #GList + * @data: the data to find + * + * Gets the position of the element containing + * the given data (starting from 0). + * + * Returns: the index of the element containing the data, + * or -1 if the data is not found + */ +gint +g_list_index (GList *list, + gconstpointer data) +{ + gint i; + + i = 0; + while (list) + { + if (list->data == data) + return i; + i++; + list = list->next; + } + + return -1; +} + +/** + * g_list_last: + * @list: a #GList + * + * Gets the last element in a #GList. + * + * Returns: the last element in the #GList, + * or %NULL if the #GList has no elements + */ +GList* +g_list_last (GList *list) +{ + if (list) + { + while (list->next) + list = list->next; + } + + return list; +} + +/** + * g_list_first: + * @list: a #GList + * + * Gets the first element in a #GList. + * + * Returns: the first element in the #GList, + * or %NULL if the #GList has no elements + */ +GList* +g_list_first (GList *list) +{ + if (list) + { + while (list->prev) + list = list->prev; + } + + return list; +} + +/** + * g_list_length: + * @list: a #GList + * + * Gets the number of elements in a #GList. + * + * + * This function iterates over the whole list to + * count its elements. + * + * + * Returns: the number of elements in the #GList + */ +guint +g_list_length (GList *list) +{ + guint length; + + length = 0; + while (list) + { + length++; + list = list->next; + } + + return length; +} + +/** + * g_list_foreach: + * @list: a #GList + * @func: the function to call with each element's data + * @user_data: user data to pass to the function + * + * Calls a function for each element of a #GList. + */ +/** + * GFunc: + * @data: the element's data. + * @user_data: user data passed to g_list_foreach() or + * g_slist_foreach(). + * + * Specifies the type of functions passed to g_list_foreach() and + * g_slist_foreach(). + **/ +void +g_list_foreach (GList *list, + GFunc func, + gpointer user_data) +{ + while (list) + { + GList *next = list->next; + (*func) (list->data, user_data); + list = next; + } +} + +static GList* +g_list_insert_sorted_real (GList *list, + gpointer data, + GFunc func, + gpointer user_data) +{ + GList *tmp_list = list; + GList *new_list; + gint cmp; + + g_return_val_if_fail (func != NULL, list); + + if (!list) + { + new_list = _g_list_alloc0 (); + new_list->data = data; + return new_list; + } + + cmp = ((GCompareDataFunc) func) (data, tmp_list->data, user_data); + + while ((tmp_list->next) && (cmp > 0)) + { + tmp_list = tmp_list->next; + + cmp = ((GCompareDataFunc) func) (data, tmp_list->data, user_data); + } + + new_list = _g_list_alloc0 (); + new_list->data = data; + + if ((!tmp_list->next) && (cmp > 0)) + { + tmp_list->next = new_list; + new_list->prev = tmp_list; + return list; + } + + if (tmp_list->prev) + { + tmp_list->prev->next = new_list; + new_list->prev = tmp_list->prev; + } + new_list->next = tmp_list; + tmp_list->prev = new_list; + + if (tmp_list == list) + return new_list; + else + return list; +} + +/** + * g_list_insert_sorted: + * @list: a pointer to a #GList + * @data: the data for the new element + * @func: the function to compare elements in the list. It should + * return a number > 0 if the first parameter comes after the + * second parameter in the sort order. + * + * Inserts a new element into the list, using the given comparison + * function to determine its position. + * + * Returns: the new start of the #GList + */ +GList* +g_list_insert_sorted (GList *list, + gpointer data, + GCompareFunc func) +{ + return g_list_insert_sorted_real (list, data, (GFunc) func, NULL); +} + +/** + * g_list_insert_sorted_with_data: + * @list: a pointer to a #GList + * @data: the data for the new element + * @func: the function to compare elements in the list. + * It should return a number > 0 if the first parameter + * comes after the second parameter in the sort order. + * @user_data: user data to pass to comparison function. + * + * Inserts a new element into the list, using the given comparison + * function to determine its position. + * + * Returns: the new start of the #GList + * + * Since: 2.10 + */ +GList* +g_list_insert_sorted_with_data (GList *list, + gpointer data, + GCompareDataFunc func, + gpointer user_data) +{ + return g_list_insert_sorted_real (list, data, (GFunc) func, user_data); +} + +static GList * +g_list_sort_merge (GList *l1, + GList *l2, + GFunc compare_func, + gpointer user_data) +{ + GList list, *l, *lprev; + gint cmp; + + l = &list; + lprev = NULL; + + while (l1 && l2) + { + cmp = ((GCompareDataFunc) compare_func) (l1->data, l2->data, user_data); + + if (cmp <= 0) + { + l->next = l1; + l1 = l1->next; + } + else + { + l->next = l2; + l2 = l2->next; + } + l = l->next; + l->prev = lprev; + lprev = l; + } + l->next = l1 ? l1 : l2; + l->next->prev = l; + + return list.next; +} + +static GList* +g_list_sort_real (GList *list, + GFunc compare_func, + gpointer user_data) +{ + GList *l1, *l2; + + if (!list) + return NULL; + if (!list->next) + return list; + + l1 = list; + l2 = list->next; + + while ((l2 = l2->next) != NULL) + { + if ((l2 = l2->next) == NULL) + break; + l1 = l1->next; + } + l2 = l1->next; + l1->next = NULL; + + return g_list_sort_merge (g_list_sort_real (list, compare_func, user_data), + g_list_sort_real (l2, compare_func, user_data), + compare_func, + user_data); +} + +/** + * g_list_sort: + * @list: a #GList + * @compare_func: the comparison function used to sort the #GList. + * This function is passed the data from 2 elements of the #GList + * and should return 0 if they are equal, a negative value if the + * first element comes before the second, or a positive value if + * the first element comes after the second. + * + * Sorts a #GList using the given comparison function. + * + * Returns: the start of the sorted #GList + */ +/** + * GCompareFunc: + * @a: a value. + * @b: a value to compare with. + * @Returns: negative value if @a < @b; zero if @a = @b; positive + * value if @a > @b. + * + * Specifies the type of a comparison function used to compare two + * values. The function should return a negative integer if the first + * value comes before the second, 0 if they are equal, or a positive + * integer if the first value comes after the second. + **/ +GList * +g_list_sort (GList *list, + GCompareFunc compare_func) +{ + return g_list_sort_real (list, (GFunc) compare_func, NULL); + +} + +/** + * g_list_sort_with_data: + * @list: a #GList + * @compare_func: comparison function + * @user_data: user data to pass to comparison function + * + * Like g_list_sort(), but the comparison function accepts + * a user data argument. + * + * Returns: the new head of @list + */ +/** + * GCompareDataFunc: + * @a: a value. + * @b: a value to compare with. + * @user_data: user data to pass to comparison function. + * @Returns: negative value if @a < @b; zero if @a = @b; positive + * value if @a > @b. + * + * Specifies the type of a comparison function used to compare two + * values. The function should return a negative integer if the first + * value comes before the second, 0 if they are equal, or a positive + * integer if the first value comes after the second. + **/ +GList * +g_list_sort_with_data (GList *list, + GCompareDataFunc compare_func, + gpointer user_data) +{ + return g_list_sort_real (list, (GFunc) compare_func, user_data); +} diff --git a/deps/glib/glist.h b/deps/glib/glist.h new file mode 100644 index 0000000..275005c --- /dev/null +++ b/deps/glib/glist.h @@ -0,0 +1,122 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_LIST_H__ +#define __G_LIST_H__ + +#include + +G_BEGIN_DECLS + +typedef struct _GList GList; + +struct _GList +{ + gpointer data; + GList *next; + GList *prev; +}; + +/* Doubly linked lists + */ +GList* g_list_alloc (void) G_GNUC_WARN_UNUSED_RESULT; +void g_list_free (GList *list); +void g_list_free_1 (GList *list); +#define g_list_free1 g_list_free_1 +void g_list_free_full (GList *list, + GDestroyNotify free_func); +GList* g_list_append (GList *list, + gpointer data) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_prepend (GList *list, + gpointer data) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_insert (GList *list, + gpointer data, + gint position) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_insert_sorted (GList *list, + gpointer data, + GCompareFunc func) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_insert_sorted_with_data (GList *list, + gpointer data, + GCompareDataFunc func, + gpointer user_data) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_insert_before (GList *list, + GList *sibling, + gpointer data) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_concat (GList *list1, + GList *list2) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_remove (GList *list, + gconstpointer data) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_remove_all (GList *list, + gconstpointer data) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_remove_link (GList *list, + GList *llink) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_delete_link (GList *list, + GList *link_) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_reverse (GList *list) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_copy (GList *list) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_nth (GList *list, + guint n); +GList* g_list_nth_prev (GList *list, + guint n); +GList* g_list_find (GList *list, + gconstpointer data); +GList* g_list_find_custom (GList *list, + gconstpointer data, + GCompareFunc func); +gint g_list_position (GList *list, + GList *llink); +gint g_list_index (GList *list, + gconstpointer data); +GList* g_list_last (GList *list); +GList* g_list_first (GList *list); +guint g_list_length (GList *list); +void g_list_foreach (GList *list, + GFunc func, + gpointer user_data); +GList* g_list_sort (GList *list, + GCompareFunc compare_func) G_GNUC_WARN_UNUSED_RESULT; +GList* g_list_sort_with_data (GList *list, + GCompareDataFunc compare_func, + gpointer user_data) G_GNUC_WARN_UNUSED_RESULT; +gpointer g_list_nth_data (GList *list, + guint n); + + +#define g_list_previous(list) ((list) ? (((GList *)(list))->prev) : NULL) +#define g_list_next(list) ((list) ? (((GList *)(list))->next) : NULL) + +#ifndef G_DISABLE_DEPRECATED +void g_list_push_allocator (gpointer allocator); +void g_list_pop_allocator (void); +#endif + +G_END_DECLS + +#endif /* __G_LIST_H__ */ diff --git a/deps/glib/gmacros.h b/deps/glib/gmacros.h new file mode 100644 index 0000000..50a03ed --- /dev/null +++ b/deps/glib/gmacros.h @@ -0,0 +1,290 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* This file must not include any other glib header file and must thus + * not refer to variables from glibconfig.h + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_MACROS_H__ +#define __G_MACROS_H__ + +/* We include stddef.h to get the system's definition of NULL + */ +#include + +/* Here we provide G_GNUC_EXTENSION as an alias for __extension__, + * where this is valid. This allows for warningless compilation of + * "long long" types even in the presence of '-ansi -pedantic'. + */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8) +# define G_GNUC_EXTENSION __extension__ +#else +# define G_GNUC_EXTENSION +#endif + +/* Provide macros to feature the GCC function attribute. + */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +#define G_GNUC_PURE \ + __attribute__((__pure__)) +#define G_GNUC_MALLOC \ + __attribute__((__malloc__)) +#else +#define G_GNUC_PURE +#define G_GNUC_MALLOC +#endif + +#if __GNUC__ >= 4 +#define G_GNUC_NULL_TERMINATED __attribute__((__sentinel__)) +#else +#define G_GNUC_NULL_TERMINATED +#endif + +#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) +#define G_GNUC_ALLOC_SIZE(x) __attribute__((__alloc_size__(x))) +#define G_GNUC_ALLOC_SIZE2(x,y) __attribute__((__alloc_size__(x,y))) +#else +#define G_GNUC_ALLOC_SIZE(x) +#define G_GNUC_ALLOC_SIZE2(x,y) +#endif + +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4) +#define G_GNUC_PRINTF( format_idx, arg_idx ) \ + __attribute__((__format__ (__printf__, format_idx, arg_idx))) +#define G_GNUC_SCANF( format_idx, arg_idx ) \ + __attribute__((__format__ (__scanf__, format_idx, arg_idx))) +#define G_GNUC_FORMAT( arg_idx ) \ + __attribute__((__format_arg__ (arg_idx))) +#define G_GNUC_NORETURN \ + __attribute__((__noreturn__)) +#define G_GNUC_CONST \ + __attribute__((__const__)) +#define G_GNUC_UNUSED \ + __attribute__((__unused__)) +#define G_GNUC_NO_INSTRUMENT \ + __attribute__((__no_instrument_function__)) +#else /* !__GNUC__ */ +#define G_GNUC_PRINTF( format_idx, arg_idx ) +#define G_GNUC_SCANF( format_idx, arg_idx ) +#define G_GNUC_FORMAT( arg_idx ) +#define G_GNUC_NORETURN +#define G_GNUC_CONST +#define G_GNUC_UNUSED +#define G_GNUC_NO_INSTRUMENT +#endif /* !__GNUC__ */ + +#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) +#define G_GNUC_DEPRECATED \ + __attribute__((__deprecated__)) +#else +#define G_GNUC_DEPRECATED +#endif /* __GNUC__ */ + +#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) +#define G_GNUC_DEPRECATED_FOR(f) \ + __attribute__((deprecated("Use " #f " instead"))) +#else +#define G_GNUC_DEPRECATED_FOR(f) G_GNUC_DEPRECATED +#endif /* __GNUC__ */ + +#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) +# define G_GNUC_MAY_ALIAS __attribute__((may_alias)) +#else +# define G_GNUC_MAY_ALIAS +#endif + +#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) +#define G_GNUC_WARN_UNUSED_RESULT \ + __attribute__((warn_unused_result)) +#else +#define G_GNUC_WARN_UNUSED_RESULT +#endif /* __GNUC__ */ + +#ifndef G_DISABLE_DEPRECATED +/* Wrap the gcc __PRETTY_FUNCTION__ and __FUNCTION__ variables with + * macros, so we can refer to them as strings unconditionally. + * usage not-recommended since gcc-3.0 + */ +#if defined (__GNUC__) && (__GNUC__ < 3) +#define G_GNUC_FUNCTION __FUNCTION__ +#define G_GNUC_PRETTY_FUNCTION __PRETTY_FUNCTION__ +#else /* !__GNUC__ */ +#define G_GNUC_FUNCTION "" +#define G_GNUC_PRETTY_FUNCTION "" +#endif /* !__GNUC__ */ +#endif /* !G_DISABLE_DEPRECATED */ + +#define G_STRINGIFY(macro_or_string) G_STRINGIFY_ARG (macro_or_string) +#define G_STRINGIFY_ARG(contents) #contents + +#ifndef __GI_SCANNER__ /* The static assert macro really confuses the introspection parser */ +#define G_PASTE_ARGS(identifier1,identifier2) identifier1 ## identifier2 +#define G_PASTE(identifier1,identifier2) G_PASTE_ARGS (identifier1, identifier2) +#ifdef __COUNTER__ +#define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __COUNTER__)[(expr) ? 1 : -1] +#else +#define G_STATIC_ASSERT(expr) typedef char G_PASTE (_GStaticAssertCompileTimeAssertion_, __LINE__)[(expr) ? 1 : -1] +#endif +#define G_STATIC_ASSERT_EXPR(expr) ((void) sizeof (char[(expr) ? 1 : -1])) +#endif + +/* Provide a string identifying the current code position */ +#if defined(__GNUC__) && (__GNUC__ < 3) && !defined(__cplusplus) +# define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__) ":" __PRETTY_FUNCTION__ "()" +#else +# define G_STRLOC __FILE__ ":" G_STRINGIFY (__LINE__) +#endif + +/* Provide a string identifying the current function, non-concatenatable */ +#if defined (__GNUC__) +# define G_STRFUNC ((const char*) (__PRETTY_FUNCTION__)) +#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 19901L +# define G_STRFUNC ((const char*) (__func__)) +#else +# define G_STRFUNC ((const char*) ("???")) +#endif + +/* Guard C code in headers, while including them from C++ */ +#ifdef __cplusplus +# define G_BEGIN_DECLS extern "C" { +# define G_END_DECLS } +#else +# define G_BEGIN_DECLS +# define G_END_DECLS +#endif + +/* Provide definitions for some commonly used macros. + * Some of them are only provided if they haven't already + * been defined. It is assumed that if they are already + * defined then the current definition is correct. + */ +#ifndef NULL +# ifdef __cplusplus +# define NULL (0L) +# else /* !__cplusplus */ +# define NULL ((void*) 0) +# endif /* !__cplusplus */ +#endif + +#ifndef FALSE +#define FALSE (0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +#undef MAX +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) + +#undef MIN +#define MIN(a, b) (((a) < (b)) ? (a) : (b)) + +#undef ABS +#define ABS(a) (((a) < 0) ? -(a) : (a)) + +#undef CLAMP +#define CLAMP(x, low, high) (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x))) + +/* Count the number of elements in an array. The array must be defined + * as such; using this with a dynamically allocated array will give + * incorrect results. + */ +#define G_N_ELEMENTS(arr) (sizeof (arr) / sizeof ((arr)[0])) + +/* Macros by analogy to GINT_TO_POINTER, GPOINTER_TO_INT + */ +#define GPOINTER_TO_SIZE(p) ((gsize) (p)) +#define GSIZE_TO_POINTER(s) ((gpointer) (gsize) (s)) + +/* Provide convenience macros for handling structure + * fields through their offsets. + */ + +#if defined(__GNUC__) && __GNUC__ >= 4 +# define G_STRUCT_OFFSET(struct_type, member) \ + ((glong) offsetof (struct_type, member)) +#else +# define G_STRUCT_OFFSET(struct_type, member) \ + ((glong) ((guint8*) &((struct_type*) 0)->member)) +#endif + +#define G_STRUCT_MEMBER_P(struct_p, struct_offset) \ + ((gpointer) ((guint8*) (struct_p) + (glong) (struct_offset))) +#define G_STRUCT_MEMBER(member_type, struct_p, struct_offset) \ + (*(member_type*) G_STRUCT_MEMBER_P ((struct_p), (struct_offset))) + +/* Provide simple macro statement wrappers: + * G_STMT_START { statements; } G_STMT_END; + * This can be used as a single statement, like: + * if (x) G_STMT_START { ... } G_STMT_END; else ... + * This intentionally does not use compiler extensions like GCC's '({...})' to + * avoid portability issue or side effects when compiled with different compilers. + */ +#if !(defined (G_STMT_START) && defined (G_STMT_END)) +# define G_STMT_START do +# define G_STMT_END while (0) +#endif + +/* Deprecated -- do not use. */ +#ifndef G_DISABLE_DEPRECATED +#ifdef G_DISABLE_CONST_RETURNS +#define G_CONST_RETURN +#else +#define G_CONST_RETURN const +#endif +#endif + +/* + * The G_LIKELY and G_UNLIKELY macros let the programmer give hints to + * the compiler about the expected result of an expression. Some compilers + * can use this information for optimizations. + * + * The _G_BOOLEAN_EXPR macro is intended to trigger a gcc warning when + * putting assignments in g_return_if_fail (). + */ +#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) +#define _G_BOOLEAN_EXPR(expr) \ + G_GNUC_EXTENSION ({ \ + int _g_boolean_var_; \ + if (expr) \ + _g_boolean_var_ = 1; \ + else \ + _g_boolean_var_ = 0; \ + _g_boolean_var_; \ +}) +#define G_LIKELY(expr) (__builtin_expect (_G_BOOLEAN_EXPR(expr), 1)) +#define G_UNLIKELY(expr) (__builtin_expect (_G_BOOLEAN_EXPR(expr), 0)) +#else +#define G_LIKELY(expr) (expr) +#define G_UNLIKELY(expr) (expr) +#endif + +#endif /* __G_MACROS_H__ */ diff --git a/deps/glib/gmain.c b/deps/glib/gmain.c new file mode 100644 index 0000000..7831c49 --- /dev/null +++ b/deps/glib/gmain.c @@ -0,0 +1,88 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * gmain.c: Main loop abstraction, timeouts, and idle functions + * Copyright 1998 Owen Taylor + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" +#include "glibconfig.h" + +#ifdef HAVE_SYS_TIME_H +#include +#endif /* HAVE_SYS_TIME_H */ + +#ifdef G_OS_WIN32 +#define STRICT +#include +#endif /* G_OS_WIN32 */ + +#include "gmessages.h" +#include "gmain.h" + +/** + * g_get_current_time: + * @result: #GTimeVal structure in which to store current time. + * + * Equivalent to the UNIX gettimeofday() function, but portable. + * + * You may find g_get_real_time() to be more convenient. + **/ +void +g_get_current_time (GTimeVal *result) +{ +#ifndef G_OS_WIN32 + struct timeval r; + + g_return_if_fail (result != NULL); + + /*this is required on alpha, there the timeval structs are int's + not longs and a cast only would fail horribly*/ + gettimeofday (&r, NULL); + result->tv_sec = r.tv_sec; + result->tv_usec = r.tv_usec; +#else + FILETIME ft; + guint64 time64; + + g_return_if_fail (result != NULL); + + GetSystemTimeAsFileTime (&ft); + memmove (&time64, &ft, sizeof (FILETIME)); + + /* Convert from 100s of nanoseconds since 1601-01-01 + * to Unix epoch. Yes, this is Y2038 unsafe. + */ + time64 -= G_GINT64_CONSTANT (116444736000000000); + time64 /= 10; + + result->tv_sec = time64 / 1000000; + result->tv_usec = time64 % 1000000; +#endif +} diff --git a/deps/glib/gmain.h b/deps/glib/gmain.h new file mode 100644 index 0000000..293f33c --- /dev/null +++ b/deps/glib/gmain.h @@ -0,0 +1,37 @@ +/* gmain.h - the GLib Main loop + * Copyright (C) 1998-2000 Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_MAIN_H__ +#define __G_MAIN_H__ + +#include + +G_BEGIN_DECLS + +/* Miscellaneous functions + */ +void g_get_current_time (GTimeVal *result); + +G_END_DECLS + +#endif /* __G_MAIN_H__ */ diff --git a/deps/glib/gmem.c b/deps/glib/gmem.c new file mode 100644 index 0000000..a657f73 --- /dev/null +++ b/deps/glib/gmem.c @@ -0,0 +1,1397 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" + +#include "gmem.h" + +#include +#include +#include + +#include "gbacktrace.h" +#include "gtestutils.h" +#include "gthread.h" +#include "glib_trace.h" + + +#define MEM_PROFILE_TABLE_SIZE 4096 + + +/* notes on macros: + * having G_DISABLE_CHECKS defined disables use of glib_mem_profiler_table and + * g_mem_profile(). + * REALLOC_0_WORKS is defined if g_realloc (NULL, x) works. + * SANE_MALLOC_PROTOS is defined if the systems malloc() and friends functions + * match the corresponding GLib prototypes, keep configure.ac and gmem.h in sync here. + * g_mem_gc_friendly is TRUE, freed memory should be 0-wiped. + */ + +/* --- prototypes --- */ +static gboolean g_mem_initialized = FALSE; +static void g_mem_init_nomessage (void); + + +/* --- malloc wrappers --- */ +#ifndef REALLOC_0_WORKS +static gpointer +standard_realloc (gpointer mem, + gsize n_bytes) +{ + if (!mem) + return malloc (n_bytes); + else + return realloc (mem, n_bytes); +} +#endif /* !REALLOC_0_WORKS */ + +#ifdef SANE_MALLOC_PROTOS +# define standard_malloc malloc +# ifdef REALLOC_0_WORKS +# define standard_realloc realloc +# endif /* REALLOC_0_WORKS */ +# define standard_free free +# define standard_calloc calloc +# define standard_try_malloc malloc +# define standard_try_realloc realloc +#else /* !SANE_MALLOC_PROTOS */ +static gpointer +standard_malloc (gsize n_bytes) +{ + return malloc (n_bytes); +} +# ifdef REALLOC_0_WORKS +static gpointer +standard_realloc (gpointer mem, + gsize n_bytes) +{ + return realloc (mem, n_bytes); +} +# endif /* REALLOC_0_WORKS */ +static void +standard_free (gpointer mem) +{ + free (mem); +} +static gpointer +standard_calloc (gsize n_blocks, + gsize n_bytes) +{ + return calloc (n_blocks, n_bytes); +} +#define standard_try_malloc standard_malloc +#define standard_try_realloc standard_realloc +#endif /* !SANE_MALLOC_PROTOS */ + + +/* --- variables --- */ +static GMemVTable glib_mem_vtable = { + standard_malloc, + standard_realloc, + standard_free, + standard_calloc, + standard_try_malloc, + standard_try_realloc, +}; + +/** + * SECTION:memory + * @Short_Description: general memory-handling + * @Title: Memory Allocation + * + * These functions provide support for allocating and freeing memory. + * + * + * If any call to allocate memory fails, the application is terminated. + * This also means that there is no need to check if the call succeeded. + * + * + * + * It's important to match g_malloc() with g_free(), plain malloc() with free(), + * and (if you're using C++) new with delete and new[] with delete[]. Otherwise + * bad things can happen, since these allocators may use different memory + * pools (and new/delete call constructors and destructors). See also + * g_mem_set_vtable(). + * + */ + +/* --- functions --- */ +/** + * g_malloc: + * @n_bytes: the number of bytes to allocate + * + * Allocates @n_bytes bytes of memory. + * If @n_bytes is 0 it returns %NULL. + * + * Returns: a pointer to the allocated memory + */ +gpointer +g_malloc (gsize n_bytes) +{ + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + if (G_LIKELY (n_bytes)) + { + gpointer mem; + + mem = glib_mem_vtable.malloc (n_bytes); + TRACE (GLIB_MEM_ALLOC((void*) mem, (unsigned int) n_bytes, 0, 0)); + if (mem) + return mem; + + g_error ("%s: failed to allocate %"G_GSIZE_FORMAT" bytes", + G_STRLOC, n_bytes); + } + + TRACE(GLIB_MEM_ALLOC((void*) NULL, (int) n_bytes, 0, 0)); + + return NULL; +} + +/** + * g_malloc0: + * @n_bytes: the number of bytes to allocate + * + * Allocates @n_bytes bytes of memory, initialized to 0's. + * If @n_bytes is 0 it returns %NULL. + * + * Returns: a pointer to the allocated memory + */ +gpointer +g_malloc0 (gsize n_bytes) +{ + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + if (G_LIKELY (n_bytes)) + { + gpointer mem; + + mem = glib_mem_vtable.calloc (1, n_bytes); + TRACE (GLIB_MEM_ALLOC((void*) mem, (unsigned int) n_bytes, 1, 0)); + if (mem) + return mem; + + g_error ("%s: failed to allocate %"G_GSIZE_FORMAT" bytes", + G_STRLOC, n_bytes); + } + + TRACE(GLIB_MEM_ALLOC((void*) NULL, (int) n_bytes, 1, 0)); + + return NULL; +} + +/** + * g_realloc: + * @mem: the memory to reallocate + * @n_bytes: new size of the memory in bytes + * + * Reallocates the memory pointed to by @mem, so that it now has space for + * @n_bytes bytes of memory. It returns the new address of the memory, which may + * have been moved. @mem may be %NULL, in which case it's considered to + * have zero-length. @n_bytes may be 0, in which case %NULL will be returned + * and @mem will be freed unless it is %NULL. + * + * Returns: the new address of the allocated memory + */ +gpointer +g_realloc (gpointer mem, + gsize n_bytes) +{ + gpointer newmem; + + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + if (G_LIKELY (n_bytes)) + { + newmem = glib_mem_vtable.realloc (mem, n_bytes); + TRACE (GLIB_MEM_REALLOC((void*) newmem, (void*)mem, (unsigned int) n_bytes, 0)); + if (newmem) + return newmem; + + g_error ("%s: failed to allocate %"G_GSIZE_FORMAT" bytes", + G_STRLOC, n_bytes); + } + + if (mem) + glib_mem_vtable.free (mem); + + TRACE (GLIB_MEM_REALLOC((void*) NULL, (void*)mem, 0, 0)); + + return NULL; +} + +/** + * g_free: + * @mem: the memory to free + * + * Frees the memory pointed to by @mem. + * If @mem is %NULL it simply returns. + */ +void +g_free (gpointer mem) +{ + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + if (G_LIKELY (mem)) + glib_mem_vtable.free (mem); + TRACE(GLIB_MEM_FREE((void*) mem)); +} + +/** + * g_try_malloc: + * @n_bytes: number of bytes to allocate. + * + * Attempts to allocate @n_bytes, and returns %NULL on failure. + * Contrast with g_malloc(), which aborts the program on failure. + * + * Returns: the allocated memory, or %NULL. + */ +gpointer +g_try_malloc (gsize n_bytes) +{ + gpointer mem; + + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + if (G_LIKELY (n_bytes)) + mem = glib_mem_vtable.try_malloc (n_bytes); + else + mem = NULL; + + TRACE (GLIB_MEM_ALLOC((void*) mem, (unsigned int) n_bytes, 0, 1)); + + return mem; +} + +/** + * g_try_malloc0: + * @n_bytes: number of bytes to allocate + * + * Attempts to allocate @n_bytes, initialized to 0's, and returns %NULL on + * failure. Contrast with g_malloc0(), which aborts the program on failure. + * + * Since: 2.8 + * Returns: the allocated memory, or %NULL + */ +gpointer +g_try_malloc0 (gsize n_bytes) +{ + gpointer mem; + + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + if (G_LIKELY (n_bytes)) + mem = glib_mem_vtable.try_malloc (n_bytes); + else + mem = NULL; + + if (mem) + memset (mem, 0, n_bytes); + + return mem; +} + +/** + * g_try_realloc: + * @mem: previously-allocated memory, or %NULL. + * @n_bytes: number of bytes to allocate. + * + * Attempts to realloc @mem to a new size, @n_bytes, and returns %NULL + * on failure. Contrast with g_realloc(), which aborts the program + * on failure. If @mem is %NULL, behaves the same as g_try_malloc(). + * + * Returns: the allocated memory, or %NULL. + */ +gpointer +g_try_realloc (gpointer mem, + gsize n_bytes) +{ + gpointer newmem; + + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + if (G_LIKELY (n_bytes)) + newmem = glib_mem_vtable.try_realloc (mem, n_bytes); + else + { + newmem = NULL; + if (mem) + glib_mem_vtable.free (mem); + } + + TRACE (GLIB_MEM_REALLOC((void*) newmem, (void*)mem, (unsigned int) n_bytes, 1)); + + return newmem; +} + + +#define SIZE_OVERFLOWS(a,b) (G_UNLIKELY ((b) > 0 && (a) > G_MAXSIZE / (b))) + +/** + * g_malloc_n: + * @n_blocks: the number of blocks to allocate + * @n_block_bytes: the size of each block in bytes + * + * This function is similar to g_malloc(), allocating (@n_blocks * @n_block_bytes) bytes, + * but care is taken to detect possible overflow during multiplication. + * + * Since: 2.24 + * Returns: a pointer to the allocated memory + */ +gpointer +g_malloc_n (gsize n_blocks, + gsize n_block_bytes) +{ + if (SIZE_OVERFLOWS (n_blocks, n_block_bytes)) + { + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + + g_error ("%s: overflow allocating %"G_GSIZE_FORMAT"*%"G_GSIZE_FORMAT" bytes", + G_STRLOC, n_blocks, n_block_bytes); + } + + return g_malloc (n_blocks * n_block_bytes); +} + +/** + * g_malloc0_n: + * @n_blocks: the number of blocks to allocate + * @n_block_bytes: the size of each block in bytes + * + * This function is similar to g_malloc0(), allocating (@n_blocks * @n_block_bytes) bytes, + * but care is taken to detect possible overflow during multiplication. + * + * Since: 2.24 + * Returns: a pointer to the allocated memory + */ +gpointer +g_malloc0_n (gsize n_blocks, + gsize n_block_bytes) +{ + if (SIZE_OVERFLOWS (n_blocks, n_block_bytes)) + { + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + + g_error ("%s: overflow allocating %"G_GSIZE_FORMAT"*%"G_GSIZE_FORMAT" bytes", + G_STRLOC, n_blocks, n_block_bytes); + } + + return g_malloc0 (n_blocks * n_block_bytes); +} + +/** + * g_realloc_n: + * @mem: the memory to reallocate + * @n_blocks: the number of blocks to allocate + * @n_block_bytes: the size of each block in bytes + * + * This function is similar to g_realloc(), allocating (@n_blocks * @n_block_bytes) bytes, + * but care is taken to detect possible overflow during multiplication. + * + * Since: 2.24 + * Returns: the new address of the allocated memory + */ +gpointer +g_realloc_n (gpointer mem, + gsize n_blocks, + gsize n_block_bytes) +{ + if (SIZE_OVERFLOWS (n_blocks, n_block_bytes)) + { + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + + g_error ("%s: overflow allocating %"G_GSIZE_FORMAT"*%"G_GSIZE_FORMAT" bytes", + G_STRLOC, n_blocks, n_block_bytes); + } + + return g_realloc (mem, n_blocks * n_block_bytes); +} + +/** + * g_try_malloc_n: + * @n_blocks: the number of blocks to allocate + * @n_block_bytes: the size of each block in bytes + * + * This function is similar to g_try_malloc(), allocating (@n_blocks * @n_block_bytes) bytes, + * but care is taken to detect possible overflow during multiplication. + * + * Since: 2.24 + * Returns: the allocated memory, or %NULL. + */ +gpointer +g_try_malloc_n (gsize n_blocks, + gsize n_block_bytes) +{ + if (SIZE_OVERFLOWS (n_blocks, n_block_bytes)) + return NULL; + + return g_try_malloc (n_blocks * n_block_bytes); +} + +/** + * g_try_malloc0_n: + * @n_blocks: the number of blocks to allocate + * @n_block_bytes: the size of each block in bytes + * + * This function is similar to g_try_malloc0(), allocating (@n_blocks * @n_block_bytes) bytes, + * but care is taken to detect possible overflow during multiplication. + * + * Since: 2.24 + * Returns: the allocated memory, or %NULL + */ +gpointer +g_try_malloc0_n (gsize n_blocks, + gsize n_block_bytes) +{ + if (SIZE_OVERFLOWS (n_blocks, n_block_bytes)) + return NULL; + + return g_try_malloc0 (n_blocks * n_block_bytes); +} + +/** + * g_try_realloc_n: + * @mem: previously-allocated memory, or %NULL. + * @n_blocks: the number of blocks to allocate + * @n_block_bytes: the size of each block in bytes + * + * This function is similar to g_try_realloc(), allocating (@n_blocks * @n_block_bytes) bytes, + * but care is taken to detect possible overflow during multiplication. + * + * Since: 2.24 + * Returns: the allocated memory, or %NULL. + */ +gpointer +g_try_realloc_n (gpointer mem, + gsize n_blocks, + gsize n_block_bytes) +{ + if (SIZE_OVERFLOWS (n_blocks, n_block_bytes)) + return NULL; + + return g_try_realloc (mem, n_blocks * n_block_bytes); +} + + + +static gpointer +fallback_calloc (gsize n_blocks, + gsize n_block_bytes) +{ + gsize l = n_blocks * n_block_bytes; + gpointer mem = glib_mem_vtable.malloc (l); + + if (mem) + memset (mem, 0, l); + + return mem; +} + +static gboolean vtable_set = FALSE; + +/** + * g_mem_is_system_malloc + * + * Checks whether the allocator used by g_malloc() is the system's + * malloc implementation. If it returns %TRUE memory allocated with + * malloc() can be used interchangeable with memory allocated using g_malloc(). + * This function is useful for avoiding an extra copy of allocated memory returned + * by a non-GLib-based API. + * + * A different allocator can be set using g_mem_set_vtable(). + * + * Return value: if %TRUE, malloc() and g_malloc() can be mixed. + **/ +gboolean +g_mem_is_system_malloc (void) +{ + return !vtable_set; +} + +/** + * g_mem_set_vtable: + * @vtable: table of memory allocation routines. + * + * Sets the #GMemVTable to use for memory allocation. You can use this to provide + * custom memory allocation routines. This function must be called + * before using any other GLib functions. The @vtable only needs to + * provide malloc(), realloc(), and free() functions; GLib can provide default + * implementations of the others. The malloc() and realloc() implementations + * should return %NULL on failure, GLib will handle error-checking for you. + * @vtable is copied, so need not persist after this function has been called. + */ +void +g_mem_set_vtable (GMemVTable *vtable) +{ + if (!vtable_set) + { + if (vtable->malloc && vtable->realloc && vtable->free) + { + glib_mem_vtable.malloc = vtable->malloc; + glib_mem_vtable.realloc = vtable->realloc; + glib_mem_vtable.free = vtable->free; + glib_mem_vtable.calloc = vtable->calloc ? vtable->calloc : fallback_calloc; + glib_mem_vtable.try_malloc = vtable->try_malloc ? vtable->try_malloc : glib_mem_vtable.malloc; + glib_mem_vtable.try_realloc = vtable->try_realloc ? vtable->try_realloc : glib_mem_vtable.realloc; + vtable_set = TRUE; + } + else + g_warning (G_STRLOC ": memory allocation vtable lacks one of malloc(), realloc() or free()"); + } + else + g_warning (G_STRLOC ": memory allocation vtable can only be set once at startup"); +} + + +/* --- memory profiling and checking --- */ +#ifdef G_DISABLE_CHECKS +/** + * glib_mem_profiler_table: + * + * A #GMemVTable containing profiling variants of the memory + * allocation functions. Use them together with g_mem_profile() + * in order to get information about the memory allocation pattern + * of your program. + */ +GMemVTable *glib_mem_profiler_table = &glib_mem_vtable; +void +g_mem_profile (void) +{ +} +#else /* !G_DISABLE_CHECKS */ +typedef enum { + PROFILER_FREE = 0, + PROFILER_ALLOC = 1, + PROFILER_RELOC = 2, + PROFILER_ZINIT = 4 +} ProfilerJob; +static guint *profile_data = NULL; +static gsize profile_allocs = 0; +static gsize profile_zinit = 0; +static gsize profile_frees = 0; +static GMutex *gmem_profile_mutex = NULL; +#ifdef G_ENABLE_DEBUG +static volatile gsize g_trap_free_size = 0; +static volatile gsize g_trap_realloc_size = 0; +static volatile gsize g_trap_malloc_size = 0; +#endif /* G_ENABLE_DEBUG */ + +#define PROFILE_TABLE(f1,f2,f3) ( ( ((f3) << 2) | ((f2) << 1) | (f1) ) * (MEM_PROFILE_TABLE_SIZE + 1)) + +static void +profiler_log (ProfilerJob job, + gsize n_bytes, + gboolean success) +{ + g_mutex_lock (gmem_profile_mutex); + if (!profile_data) + { + profile_data = standard_calloc ((MEM_PROFILE_TABLE_SIZE + 1) * 8, + sizeof (profile_data[0])); + if (!profile_data) /* memory system kiddin' me, eh? */ + { + g_mutex_unlock (gmem_profile_mutex); + return; + } + } + + if (n_bytes < MEM_PROFILE_TABLE_SIZE) + profile_data[n_bytes + PROFILE_TABLE ((job & PROFILER_ALLOC) != 0, + (job & PROFILER_RELOC) != 0, + success != 0)] += 1; + else + profile_data[MEM_PROFILE_TABLE_SIZE + PROFILE_TABLE ((job & PROFILER_ALLOC) != 0, + (job & PROFILER_RELOC) != 0, + success != 0)] += 1; + if (success) + { + if (job & PROFILER_ALLOC) + { + profile_allocs += n_bytes; + if (job & PROFILER_ZINIT) + profile_zinit += n_bytes; + } + else + profile_frees += n_bytes; + } + g_mutex_unlock (gmem_profile_mutex); +} + +static void +profile_print_locked (guint *local_data, + gboolean success) +{ + gboolean need_header = TRUE; + guint i; + + for (i = 0; i <= MEM_PROFILE_TABLE_SIZE; i++) + { + glong t_malloc = local_data[i + PROFILE_TABLE (1, 0, success)]; + glong t_realloc = local_data[i + PROFILE_TABLE (1, 1, success)]; + glong t_free = local_data[i + PROFILE_TABLE (0, 0, success)]; + glong t_refree = local_data[i + PROFILE_TABLE (0, 1, success)]; + + if (!t_malloc && !t_realloc && !t_free && !t_refree) + continue; + else if (need_header) + { + need_header = FALSE; + g_print (" blocks of | allocated | freed | allocated | freed | n_bytes \n"); + g_print (" n_bytes | n_times by | n_times by | n_times by | n_times by | remaining \n"); + g_print (" | malloc() | free() | realloc() | realloc() | \n"); + g_print ("===========|============|============|============|============|===========\n"); + } + if (i < MEM_PROFILE_TABLE_SIZE) + g_print ("%10u | %10ld | %10ld | %10ld | %10ld |%+11ld\n", + i, t_malloc, t_free, t_realloc, t_refree, + (t_malloc - t_free + t_realloc - t_refree) * i); + else if (i >= MEM_PROFILE_TABLE_SIZE) + g_print (" >%6u | %10ld | %10ld | %10ld | %10ld | ***\n", + i, t_malloc, t_free, t_realloc, t_refree); + } + if (need_header) + g_print (" --- none ---\n"); +} + +/** + * g_mem_profile: + * @void: + * + * Outputs a summary of memory usage. + * + * It outputs the frequency of allocations of different sizes, + * the total number of bytes which have been allocated, + * the total number of bytes which have been freed, + * and the difference between the previous two values, i.e. the number of bytes + * still in use. + * + * Note that this function will not output anything unless you have + * previously installed the #glib_mem_profiler_table with g_mem_set_vtable(). + */ + +void +g_mem_profile (void) +{ + guint local_data[(MEM_PROFILE_TABLE_SIZE + 1) * 8 * sizeof (profile_data[0])]; + gsize local_allocs; + gsize local_zinit; + gsize local_frees; + + if (G_UNLIKELY (!g_mem_initialized)) + g_mem_init_nomessage(); + + g_mutex_lock (gmem_profile_mutex); + + local_allocs = profile_allocs; + local_zinit = profile_zinit; + local_frees = profile_frees; + + if (!profile_data) + { + g_mutex_unlock (gmem_profile_mutex); + return; + } + + memcpy (local_data, profile_data, + (MEM_PROFILE_TABLE_SIZE + 1) * 8 * sizeof (profile_data[0])); + + g_mutex_unlock (gmem_profile_mutex); + + g_print ("GLib Memory statistics (successful operations):\n"); + profile_print_locked (local_data, TRUE); + g_print ("GLib Memory statistics (failing operations):\n"); + profile_print_locked (local_data, FALSE); + g_print ("Total bytes: allocated=%"G_GSIZE_FORMAT", " + "zero-initialized=%"G_GSIZE_FORMAT" (%.2f%%), " + "freed=%"G_GSIZE_FORMAT" (%.2f%%), " + "remaining=%"G_GSIZE_FORMAT"\n", + local_allocs, + local_zinit, + ((gdouble) local_zinit) / local_allocs * 100.0, + local_frees, + ((gdouble) local_frees) / local_allocs * 100.0, + local_allocs - local_frees); +} + +static gpointer +profiler_try_malloc (gsize n_bytes) +{ + gsize *p; + +#ifdef G_ENABLE_DEBUG + if (g_trap_malloc_size == n_bytes) + G_BREAKPOINT (); +#endif /* G_ENABLE_DEBUG */ + + p = standard_malloc (sizeof (gsize) * 2 + n_bytes); + + if (p) + { + p[0] = 0; /* free count */ + p[1] = n_bytes; /* length */ + profiler_log (PROFILER_ALLOC, n_bytes, TRUE); + p += 2; + } + else + profiler_log (PROFILER_ALLOC, n_bytes, FALSE); + + return p; +} + +static gpointer +profiler_malloc (gsize n_bytes) +{ + gpointer mem = profiler_try_malloc (n_bytes); + + if (!mem) + g_mem_profile (); + + return mem; +} + +static gpointer +profiler_calloc (gsize n_blocks, + gsize n_block_bytes) +{ + gsize l = n_blocks * n_block_bytes; + gsize *p; + +#ifdef G_ENABLE_DEBUG + if (g_trap_malloc_size == l) + G_BREAKPOINT (); +#endif /* G_ENABLE_DEBUG */ + + p = standard_calloc (1, sizeof (gsize) * 2 + l); + + if (p) + { + p[0] = 0; /* free count */ + p[1] = l; /* length */ + profiler_log (PROFILER_ALLOC | PROFILER_ZINIT, l, TRUE); + p += 2; + } + else + { + profiler_log (PROFILER_ALLOC | PROFILER_ZINIT, l, FALSE); + g_mem_profile (); + } + + return p; +} + +static void +profiler_free (gpointer mem) +{ + gsize *p = mem; + + p -= 2; + if (p[0]) /* free count */ + { + g_warning ("free(%p): memory has been freed %"G_GSIZE_FORMAT" times already", + p + 2, p[0]); + profiler_log (PROFILER_FREE, + p[1], /* length */ + FALSE); + } + else + { +#ifdef G_ENABLE_DEBUG + if (g_trap_free_size == p[1]) + G_BREAKPOINT (); +#endif /* G_ENABLE_DEBUG */ + + profiler_log (PROFILER_FREE, + p[1], /* length */ + TRUE); + memset (p + 2, 0xaa, p[1]); + + /* for all those that miss standard_free (p); in this place, yes, + * we do leak all memory when profiling, and that is intentional + * to catch double frees. patch submissions are futile. + */ + } + p[0] += 1; +} + +static gpointer +profiler_try_realloc (gpointer mem, + gsize n_bytes) +{ + gsize *p = mem; + + p -= 2; + +#ifdef G_ENABLE_DEBUG + if (g_trap_realloc_size == n_bytes) + G_BREAKPOINT (); +#endif /* G_ENABLE_DEBUG */ + + if (mem && p[0]) /* free count */ + { + g_warning ("realloc(%p, %"G_GSIZE_FORMAT"): " + "memory has been freed %"G_GSIZE_FORMAT" times already", + p + 2, (gsize) n_bytes, p[0]); + profiler_log (PROFILER_ALLOC | PROFILER_RELOC, n_bytes, FALSE); + + return NULL; + } + else + { + p = standard_realloc (mem ? p : NULL, sizeof (gsize) * 2 + n_bytes); + + if (p) + { + if (mem) + profiler_log (PROFILER_FREE | PROFILER_RELOC, p[1], TRUE); + p[0] = 0; + p[1] = n_bytes; + profiler_log (PROFILER_ALLOC | PROFILER_RELOC, p[1], TRUE); + p += 2; + } + else + profiler_log (PROFILER_ALLOC | PROFILER_RELOC, n_bytes, FALSE); + + return p; + } +} + +static gpointer +profiler_realloc (gpointer mem, + gsize n_bytes) +{ + mem = profiler_try_realloc (mem, n_bytes); + + if (!mem) + g_mem_profile (); + + return mem; +} + +static GMemVTable profiler_table = { + profiler_malloc, + profiler_realloc, + profiler_free, + profiler_calloc, + profiler_try_malloc, + profiler_try_realloc, +}; +GMemVTable *glib_mem_profiler_table = &profiler_table; + +#endif /* !G_DISABLE_CHECKS */ + +/* --- MemChunks --- */ +/** + * SECTION:allocators + * @title: Memory Allocators + * @short_description: deprecated way to allocate chunks of memory for + * GList, GSList and GNode + * + * Prior to 2.10, #GAllocator was used as an efficient way to allocate + * small pieces of memory for use with the #GList, #GSList and #GNode + * data structures. Since 2.10, it has been completely replaced by the + * slice allocator and + * deprecated. + **/ + +/** + * SECTION:memory_chunks + * @title: Memory Chunks + * @short_description: deprecated way to allocate groups of equal-sized + * chunks of memory + * + * Memory chunks provide an space-efficient way to allocate equal-sized + * pieces of memory, called atoms. However, due to the administrative + * overhead (in particular for #G_ALLOC_AND_FREE, and when used from + * multiple threads), they are in practise often slower than direct use + * of g_malloc(). Therefore, memory chunks have been deprecated in + * favor of the slice + * allocator, which has been added in 2.10. All internal uses of + * memory chunks in GLib have been converted to the + * g_slice API. + * + * There are two types of memory chunks, #G_ALLOC_ONLY, and + * #G_ALLOC_AND_FREE. #G_ALLOC_ONLY + * chunks only allow allocation of atoms. The atoms can never be freed + * individually. The memory chunk can only be free in its entirety. + * #G_ALLOC_AND_FREE chunks do + * allow atoms to be freed individually. The disadvantage of this is + * that the memory chunk has to keep track of which atoms have been + * freed. This results in more memory being used and a slight + * degradation in performance. + * + * To create a memory chunk use g_mem_chunk_new() or the convenience + * macro g_mem_chunk_create(). + * + * To allocate a new atom use g_mem_chunk_alloc(), + * g_mem_chunk_alloc0(), or the convenience macros g_chunk_new() or + * g_chunk_new0(). + * + * To free an atom use g_mem_chunk_free(), or the convenience macro + * g_chunk_free(). (Atoms can only be freed if the memory chunk is + * created with the type set to #G_ALLOC_AND_FREE.) + * + * To free any blocks of memory which are no longer being used, use + * g_mem_chunk_clean(). To clean all memory chunks, use g_blow_chunks(). + * + * To reset the memory chunk, freeing all of the atoms, use + * g_mem_chunk_reset(). + * + * To destroy a memory chunk, use g_mem_chunk_destroy(). + * + * To help debug memory chunks, use g_mem_chunk_info() and + * g_mem_chunk_print(). + * + * + * Using a #GMemChunk + * + * GMemChunk *mem_chunk; + * gchar *mem[10000]; + * gint i; + * + * /* Create a GMemChunk with atoms 50 bytes long, and memory + * blocks holding 100 bytes. Note that this means that only 2 atoms + * fit into each memory block and so isn't very efficient. */ + * mem_chunk = g_mem_chunk_new ("test mem chunk", 50, 100, G_ALLOC_AND_FREE); + * /* Now allocate 10000 atoms. */ + * for (i = 0; i < 10000; i++) + * { + * mem[i] = g_chunk_new (gchar, mem_chunk); + * /* Fill in the atom memory with some junk. */ + * for (j = 0; j < 50; j++) + * mem[i][j] = i * j; + * } + * /* Now free all of the atoms. Note that since we are going to + * destroy the GMemChunk, this wouldn't normally be used. */ + * for (i = 0; i < 10000; i++) + * { + * g_mem_chunk_free (mem_chunk, mem[i]); + * } + * /* We are finished with the GMemChunk, so we destroy it. */ + * g_mem_chunk_destroy (mem_chunk); + * + * + * + * + * Using a #GMemChunk with data structures + * + * GMemChunk *array_mem_chunk; + * GRealArray *array; + * /* Create a GMemChunk to hold GRealArray structures, using + * the g_mem_chunk_create() convenience macro. We want 1024 atoms in each + * memory block, and we want to be able to free individual atoms. */ + * array_mem_chunk = g_mem_chunk_create (GRealArray, 1024, G_ALLOC_AND_FREE); + * /* Allocate one atom, using the g_chunk_new() convenience macro. */ + * array = g_chunk_new (GRealArray, array_mem_chunk); + * /* We can now use array just like a normal pointer to a structure. */ + * array->data = NULL; + * array->len = 0; + * array->alloc = 0; + * array->zero_terminated = (zero_terminated ? 1 : 0); + * array->clear = (clear ? 1 : 0); + * array->elt_size = elt_size; + * /* We can free the element, so it can be reused. */ + * g_chunk_free (array, array_mem_chunk); + * /* We destroy the GMemChunk when we are finished with it. */ + * g_mem_chunk_destroy (array_mem_chunk); + * + * + **/ + +#ifndef G_ALLOC_AND_FREE + +/** + * GAllocator: + * + * The #GAllocator struct contains private data. and should only be + * accessed using the following functions. + **/ +typedef struct _GAllocator GAllocator; + +/** + * GMemChunk: + * + * The #GMemChunk struct is an opaque data structure representing a + * memory chunk. It should be accessed only through the use of the + * following functions. + **/ +typedef struct _GMemChunk GMemChunk; + +/** + * G_ALLOC_ONLY: + * + * Specifies the type of a #GMemChunk. Used in g_mem_chunk_new() and + * g_mem_chunk_create() to specify that atoms will never be freed + * individually. + **/ +#define G_ALLOC_ONLY 1 + +/** + * G_ALLOC_AND_FREE: + * + * Specifies the type of a #GMemChunk. Used in g_mem_chunk_new() and + * g_mem_chunk_create() to specify that atoms will be freed + * individually. + **/ +#define G_ALLOC_AND_FREE 2 +#endif + +struct _GMemChunk { + guint alloc_size; /* the size of an atom */ +}; + +/** + * g_mem_chunk_new: + * @name: a string to identify the #GMemChunk. It is not copied so it + * should be valid for the lifetime of the #GMemChunk. It is + * only used in g_mem_chunk_print(), which is used for debugging. + * @atom_size: the size, in bytes, of each element in the #GMemChunk. + * @area_size: the size, in bytes, of each block of memory allocated to + * contain the atoms. + * @type: the type of the #GMemChunk. #G_ALLOC_AND_FREE is used if the + * atoms will be freed individually. #G_ALLOC_ONLY should be + * used if atoms will never be freed individually. + * #G_ALLOC_ONLY is quicker, since it does not need to track + * free atoms, but it obviously wastes memory if you no longer + * need many of the atoms. + * @Returns: the new #GMemChunk. + * + * Creates a new #GMemChunk. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ +GMemChunk* +g_mem_chunk_new (const gchar *name, + gint atom_size, + gsize area_size, + gint type) +{ + GMemChunk *mem_chunk; + g_return_val_if_fail (atom_size > 0, NULL); + + mem_chunk = g_slice_new (GMemChunk); + mem_chunk->alloc_size = atom_size; + return mem_chunk; +} + +/** + * g_mem_chunk_destroy: + * @mem_chunk: a #GMemChunk. + * + * Frees all of the memory allocated for a #GMemChunk. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ +void +g_mem_chunk_destroy (GMemChunk *mem_chunk) +{ + g_return_if_fail (mem_chunk != NULL); + + g_slice_free (GMemChunk, mem_chunk); +} + +/** + * g_mem_chunk_alloc: + * @mem_chunk: a #GMemChunk. + * @Returns: a pointer to the allocated atom. + * + * Allocates an atom of memory from a #GMemChunk. + * + * Deprecated:2.10: Use g_slice_alloc() instead + **/ +gpointer +g_mem_chunk_alloc (GMemChunk *mem_chunk) +{ + g_return_val_if_fail (mem_chunk != NULL, NULL); + + return g_slice_alloc (mem_chunk->alloc_size); +} + +/** + * g_mem_chunk_alloc0: + * @mem_chunk: a #GMemChunk. + * @Returns: a pointer to the allocated atom. + * + * Allocates an atom of memory from a #GMemChunk, setting the memory to + * 0. + * + * Deprecated:2.10: Use g_slice_alloc0() instead + **/ +gpointer +g_mem_chunk_alloc0 (GMemChunk *mem_chunk) +{ + g_return_val_if_fail (mem_chunk != NULL, NULL); + + return g_slice_alloc0 (mem_chunk->alloc_size); +} + +/** + * g_mem_chunk_free: + * @mem_chunk: a #GMemChunk. + * @mem: a pointer to the atom to free. + * + * Frees an atom in a #GMemChunk. This should only be called if the + * #GMemChunk was created with #G_ALLOC_AND_FREE. Otherwise it will + * simply return. + * + * Deprecated:2.10: Use g_slice_free1() instead + **/ +void +g_mem_chunk_free (GMemChunk *mem_chunk, + gpointer mem) +{ + g_return_if_fail (mem_chunk != NULL); + + g_slice_free1 (mem_chunk->alloc_size, mem); +} + +/** + * g_mem_chunk_clean: + * @mem_chunk: a #GMemChunk. + * + * Frees any blocks in a #GMemChunk which are no longer being used. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ +void g_mem_chunk_clean (GMemChunk *mem_chunk) {} + +/** + * g_mem_chunk_reset: + * @mem_chunk: a #GMemChunk. + * + * Resets a GMemChunk to its initial state. It frees all of the + * currently allocated blocks of memory. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ +void g_mem_chunk_reset (GMemChunk *mem_chunk) {} + + +/** + * g_mem_chunk_print: + * @mem_chunk: a #GMemChunk. + * + * Outputs debugging information for a #GMemChunk. It outputs the name + * of the #GMemChunk (set with g_mem_chunk_new()), the number of bytes + * used, and the number of blocks of memory allocated. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ +void g_mem_chunk_print (GMemChunk *mem_chunk) {} + + +/** + * g_mem_chunk_info: + * + * Outputs debugging information for all #GMemChunk objects currently + * in use. It outputs the number of #GMemChunk objects currently + * allocated, and calls g_mem_chunk_print() to output information on + * each one. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ +void g_mem_chunk_info (void) {} + +/** + * g_blow_chunks: + * + * Calls g_mem_chunk_clean() on all #GMemChunk objects. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ +void g_blow_chunks (void) {} + +/** + * g_chunk_new0: + * @type: the type of the #GMemChunk atoms, typically a structure name. + * @chunk: a #GMemChunk. + * @Returns: a pointer to the allocated atom, cast to a pointer to + * @type. + * + * A convenience macro to allocate an atom of memory from a #GMemChunk. + * It calls g_mem_chunk_alloc0() and casts the returned atom to a + * pointer to the given type, avoiding a type cast in the source code. + * + * Deprecated:2.10: Use g_slice_new0() instead + **/ + +/** + * g_chunk_free: + * @mem: a pointer to the atom to be freed. + * @mem_chunk: a #GMemChunk. + * + * A convenience macro to free an atom of memory from a #GMemChunk. It + * simply switches the arguments and calls g_mem_chunk_free() It is + * included simply to complement the other convenience macros, + * g_chunk_new() and g_chunk_new0(). + * + * Deprecated:2.10: Use g_slice_free() instead + **/ + +/** + * g_chunk_new: + * @type: the type of the #GMemChunk atoms, typically a structure name. + * @chunk: a #GMemChunk. + * @Returns: a pointer to the allocated atom, cast to a pointer to + * @type. + * + * A convenience macro to allocate an atom of memory from a #GMemChunk. + * It calls g_mem_chunk_alloc() and casts the returned atom to a + * pointer to the given type, avoiding a type cast in the source code. + * + * Deprecated:2.10: Use g_slice_new() instead + **/ + +/** + * g_mem_chunk_create: + * @type: the type of the atoms, typically a structure name. + * @pre_alloc: the number of atoms to store in each block of memory. + * @alloc_type: the type of the #GMemChunk. #G_ALLOC_AND_FREE is used + * if the atoms will be freed individually. #G_ALLOC_ONLY + * should be used if atoms will never be freed + * individually. #G_ALLOC_ONLY is quicker, since it does + * not need to track free atoms, but it obviously wastes + * memory if you no longer need many of the atoms. + * @Returns: the new #GMemChunk. + * + * A convenience macro for creating a new #GMemChunk. It calls + * g_mem_chunk_new(), using the given type to create the #GMemChunk + * name. The atom size is determined using + * sizeof(), and the area size is calculated by + * multiplying the @pre_alloc parameter with the atom size. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ + + +/** + * g_allocator_new: + * @name: the name of the #GAllocator. This name is used to set the + * name of the #GMemChunk used by the #GAllocator, and is only + * used for debugging. + * @n_preallocs: the number of elements in each block of memory + * allocated. Larger blocks mean less calls to + * g_malloc(), but some memory may be wasted. (GLib uses + * 128 elements per block by default.) The value must be + * between 1 and 65535. + * @Returns: a new #GAllocator. + * + * Creates a new #GAllocator. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ +GAllocator* +g_allocator_new (const gchar *name, + guint n_preallocs) +{ + static struct _GAllocator { + gchar *name; + guint16 n_preallocs; + guint is_unused : 1; + guint type : 4; + GAllocator *last; + GMemChunk *mem_chunk; + gpointer free_list; + } dummy = { + "GAllocator is deprecated", 1, TRUE, 0, NULL, NULL, NULL, + }; + /* some (broken) GAllocator uses depend on non-NULL allocators */ + return (void*) &dummy; +} + +/** + * g_allocator_free: + * @allocator: a #GAllocator. + * + * Frees all of the memory allocated by the #GAllocator. + * + * Deprecated:2.10: Use the slice + * allocator instead + **/ +void +g_allocator_free (GAllocator *allocator) +{ +} + +#ifdef ENABLE_GC_FRIENDLY_DEFAULT +gboolean g_mem_gc_friendly = TRUE; +#else +/** + * g_mem_gc_friendly: + * + * This variable is %TRUE if the G_DEBUG environment variable + * includes the key gc-friendly. + */ +gboolean g_mem_gc_friendly = FALSE; +#endif + +static void +g_mem_init_nomessage (void) +{ + gchar buffer[1024]; + const gchar *val; + const GDebugKey keys[] = { + { "gc-friendly", 1 }, + }; + gint flags; + if (g_mem_initialized) + return; + /* don't use g_malloc/g_message here */ + val = _g_getenv_nomalloc ("G_DEBUG", buffer); + flags = !val ? 0 : g_parse_debug_string (val, keys, G_N_ELEMENTS (keys)); + if (flags & 1) /* gc-friendly */ + { + g_mem_gc_friendly = TRUE; + } + g_mem_initialized = TRUE; +} + +void +_g_mem_thread_init_noprivate_nomessage (void) +{ + /* we may only create mutexes here, locking/ + * unlocking a mutex does not yet work. + */ + g_mem_init_nomessage(); +#ifndef G_DISABLE_CHECKS + gmem_profile_mutex = g_mutex_new (); +#endif +} diff --git a/deps/glib/gmem.h b/deps/glib/gmem.h new file mode 100644 index 0000000..a8ff4ac --- /dev/null +++ b/deps/glib/gmem.h @@ -0,0 +1,309 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_MEM_H__ +#define __G_MEM_H__ + +#include +#include + +G_BEGIN_DECLS + +/** + * GMemVTable: + * @malloc: function to use for allocating memory. + * @realloc: function to use for reallocating memory. + * @free: function to use to free memory. + * @calloc: function to use for allocating zero-filled memory. + * @try_malloc: function to use for allocating memory without a default error handler. + * @try_realloc: function to use for reallocating memory without a default error handler. + * + * A set of functions used to perform memory allocation. The same #GMemVTable must + * be used for all allocations in the same program; a call to g_mem_set_vtable(), + * if it exists, should be prior to any use of GLib. + */ +typedef struct _GMemVTable GMemVTable; + + +#if GLIB_SIZEOF_VOID_P > GLIB_SIZEOF_LONG +/** + * G_MEM_ALIGN: + * + * Indicates the number of bytes to which memory will be aligned on the + * current platform. + */ +# define G_MEM_ALIGN GLIB_SIZEOF_VOID_P +#else /* GLIB_SIZEOF_VOID_P <= GLIB_SIZEOF_LONG */ +# define G_MEM_ALIGN GLIB_SIZEOF_LONG +#endif /* GLIB_SIZEOF_VOID_P <= GLIB_SIZEOF_LONG */ + + +/* Memory allocation functions + */ + +void g_free (gpointer mem); + +gpointer g_malloc (gsize n_bytes) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); +gpointer g_malloc0 (gsize n_bytes) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); +gpointer g_realloc (gpointer mem, + gsize n_bytes) G_GNUC_WARN_UNUSED_RESULT; +gpointer g_try_malloc (gsize n_bytes) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); +gpointer g_try_malloc0 (gsize n_bytes) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); +gpointer g_try_realloc (gpointer mem, + gsize n_bytes) G_GNUC_WARN_UNUSED_RESULT; + +gpointer g_malloc_n (gsize n_blocks, + gsize n_block_bytes) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE2(1,2); +gpointer g_malloc0_n (gsize n_blocks, + gsize n_block_bytes) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE2(1,2); +gpointer g_realloc_n (gpointer mem, + gsize n_blocks, + gsize n_block_bytes) G_GNUC_WARN_UNUSED_RESULT; +gpointer g_try_malloc_n (gsize n_blocks, + gsize n_block_bytes) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE2(1,2); +gpointer g_try_malloc0_n (gsize n_blocks, + gsize n_block_bytes) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE2(1,2); +gpointer g_try_realloc_n (gpointer mem, + gsize n_blocks, + gsize n_block_bytes) G_GNUC_WARN_UNUSED_RESULT; + + +/* Optimise: avoid the call to the (slower) _n function if we can + * determine at compile-time that no overflow happens. + */ +#if defined (__GNUC__) && (__GNUC__ >= 2) && defined (__OPTIMIZE__) +# define _G_NEW(struct_type, n_structs, func) \ + (struct_type *) (G_GNUC_EXTENSION ({ \ + gsize __n = (gsize) (n_structs); \ + gsize __s = sizeof (struct_type); \ + gpointer __p; \ + if (__s == 1) \ + __p = g_##func (__n); \ + else if (__builtin_constant_p (__n) && \ + (__s == 0 || __n <= G_MAXSIZE / __s)) \ + __p = g_##func (__n * __s); \ + else \ + __p = g_##func##_n (__n, __s); \ + __p; \ + })) +# define _G_RENEW(struct_type, mem, n_structs, func) \ + (struct_type *) (G_GNUC_EXTENSION ({ \ + gsize __n = (gsize) (n_structs); \ + gsize __s = sizeof (struct_type); \ + gpointer __p = (gpointer) (mem); \ + if (__s == 1) \ + __p = g_##func (__p, __n); \ + else if (__builtin_constant_p (__n) && \ + (__s == 0 || __n <= G_MAXSIZE / __s)) \ + __p = g_##func (__p, __n * __s); \ + else \ + __p = g_##func##_n (__p, __n, __s); \ + __p; \ + })) + +#else + +/* Unoptimised version: always call the _n() function. */ + +#define _G_NEW(struct_type, n_structs, func) \ + ((struct_type *) g_##func##_n ((n_structs), sizeof (struct_type))) +#define _G_RENEW(struct_type, mem, n_structs, func) \ + ((struct_type *) g_##func##_n (mem, (n_structs), sizeof (struct_type))) + +#endif + +/** + * g_new: + * @struct_type: the type of the elements to allocate + * @n_structs: the number of elements to allocate + * + * Allocates @n_structs elements of type @struct_type. + * The returned pointer is cast to a pointer to the given type. + * If @n_structs is 0 it returns %NULL. + * Care is taken to avoid overflow when calculating the size of the allocated block. + * + * Since the returned pointer is already casted to the right type, + * it is normally unnecessary to cast it explicitly, and doing + * so might hide memory allocation errors. + * + * Returns: a pointer to the allocated memory, cast to a pointer to @struct_type + */ +#define g_new(struct_type, n_structs) _G_NEW (struct_type, n_structs, malloc) +/** + * g_new0: + * @struct_type: the type of the elements to allocate. + * @n_structs: the number of elements to allocate. + * + * Allocates @n_structs elements of type @struct_type, initialized to 0's. + * The returned pointer is cast to a pointer to the given type. + * If @n_structs is 0 it returns %NULL. + * Care is taken to avoid overflow when calculating the size of the allocated block. + * + * Since the returned pointer is already casted to the right type, + * it is normally unnecessary to cast it explicitly, and doing + * so might hide memory allocation errors. + * + * Returns: a pointer to the allocated memory, cast to a pointer to @struct_type. + */ +#define g_new0(struct_type, n_structs) _G_NEW (struct_type, n_structs, malloc0) +/** + * g_renew: + * @struct_type: the type of the elements to allocate + * @mem: the currently allocated memory + * @n_structs: the number of elements to allocate + * + * Reallocates the memory pointed to by @mem, so that it now has space for + * @n_structs elements of type @struct_type. It returns the new address of + * the memory, which may have been moved. + * Care is taken to avoid overflow when calculating the size of the allocated block. + * + * Returns: a pointer to the new allocated memory, cast to a pointer to @struct_type + */ +#define g_renew(struct_type, mem, n_structs) _G_RENEW (struct_type, mem, n_structs, realloc) +/** + * g_try_new: + * @struct_type: the type of the elements to allocate + * @n_structs: the number of elements to allocate + * + * Attempts to allocate @n_structs elements of type @struct_type, and returns + * %NULL on failure. Contrast with g_new(), which aborts the program on failure. + * The returned pointer is cast to a pointer to the given type. + * The function returns %NULL when @n_structs is 0 of if an overflow occurs. + * + * Since: 2.8 + * Returns: a pointer to the allocated memory, cast to a pointer to @struct_type + */ +#define g_try_new(struct_type, n_structs) _G_NEW (struct_type, n_structs, try_malloc) +/** + * g_try_new0: + * @struct_type: the type of the elements to allocate + * @n_structs: the number of elements to allocate + * + * Attempts to allocate @n_structs elements of type @struct_type, initialized + * to 0's, and returns %NULL on failure. Contrast with g_new0(), which aborts + * the program on failure. + * The returned pointer is cast to a pointer to the given type. + * The function returns %NULL when @n_structs is 0 of if an overflow occurs. + * + * Since: 2.8 + * Returns: a pointer to the allocated memory, cast to a pointer to @struct_type + */ +#define g_try_new0(struct_type, n_structs) _G_NEW (struct_type, n_structs, try_malloc0) +/** + * g_try_renew: + * @struct_type: the type of the elements to allocate + * @mem: the currently allocated memory + * @n_structs: the number of elements to allocate + * + * Attempts to reallocate the memory pointed to by @mem, so that it now has + * space for @n_structs elements of type @struct_type, and returns %NULL on + * failure. Contrast with g_renew(), which aborts the program on failure. + * It returns the new address of the memory, which may have been moved. + * The function returns %NULL if an overflow occurs. + * + * Since: 2.8 + * Returns: a pointer to the new allocated memory, cast to a pointer to @struct_type + */ +#define g_try_renew(struct_type, mem, n_structs) _G_RENEW (struct_type, mem, n_structs, try_realloc) + + +/* Memory allocation virtualization for debugging purposes + * g_mem_set_vtable() has to be the very first GLib function called + * if being used + */ +struct _GMemVTable { + gpointer (*malloc) (gsize n_bytes); + gpointer (*realloc) (gpointer mem, + gsize n_bytes); + void (*free) (gpointer mem); + /* optional; set to NULL if not used ! */ + gpointer (*calloc) (gsize n_blocks, + gsize n_block_bytes); + gpointer (*try_malloc) (gsize n_bytes); + gpointer (*try_realloc) (gpointer mem, + gsize n_bytes); +}; +void g_mem_set_vtable (GMemVTable *vtable); +gboolean g_mem_is_system_malloc (void); + +GLIB_VAR gboolean g_mem_gc_friendly; + +/* Memory profiler and checker, has to be enabled via g_mem_set_vtable() + */ +GLIB_VAR GMemVTable *glib_mem_profiler_table; +void g_mem_profile (void); + + +/* deprecated memchunks and allocators */ +#if !defined (G_DISABLE_DEPRECATED) || defined (GTK_COMPILATION) || defined (GDK_COMPILATION) +typedef struct _GAllocator GAllocator; +typedef struct _GMemChunk GMemChunk; +#define g_mem_chunk_create(type, pre_alloc, alloc_type) ( \ + g_mem_chunk_new (#type " mem chunks (" #pre_alloc ")", \ + sizeof (type), \ + sizeof (type) * (pre_alloc), \ + (alloc_type)) \ +) +#define g_chunk_new(type, chunk) ( \ + (type *) g_mem_chunk_alloc (chunk) \ +) +#define g_chunk_new0(type, chunk) ( \ + (type *) g_mem_chunk_alloc0 (chunk) \ +) +#define g_chunk_free(mem, mem_chunk) G_STMT_START { \ + g_mem_chunk_free ((mem_chunk), (mem)); \ +} G_STMT_END +#define G_ALLOC_ONLY 1 +#define G_ALLOC_AND_FREE 2 +GMemChunk* g_mem_chunk_new (const gchar *name, + gint atom_size, + gsize area_size, + gint type); +void g_mem_chunk_destroy (GMemChunk *mem_chunk); +gpointer g_mem_chunk_alloc (GMemChunk *mem_chunk); +gpointer g_mem_chunk_alloc0 (GMemChunk *mem_chunk); +void g_mem_chunk_free (GMemChunk *mem_chunk, + gpointer mem); +void g_mem_chunk_clean (GMemChunk *mem_chunk); +void g_mem_chunk_reset (GMemChunk *mem_chunk); +void g_mem_chunk_print (GMemChunk *mem_chunk); +void g_mem_chunk_info (void); +void g_blow_chunks (void); +GAllocator*g_allocator_new (const gchar *name, + guint n_preallocs); +void g_allocator_free (GAllocator *allocator); +#define G_ALLOCATOR_LIST (1) +#define G_ALLOCATOR_SLIST (2) +#define G_ALLOCATOR_NODE (3) +#endif /* G_DISABLE_DEPRECATED */ + +G_END_DECLS + +#endif /* __G_MEM_H__ */ diff --git a/deps/glib/gmessages.c b/deps/glib/gmessages.c new file mode 100644 index 0000000..30a48eb --- /dev/null +++ b/deps/glib/gmessages.c @@ -0,0 +1,1084 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +/** + * SECTION:warnings + * @Title: Message Output and Debugging Functions + * @Short_description: functions to output messages and help debug applications + * + * These functions provide support for outputting messages. + * + * The g_return family of macros (g_return_if_fail(), + * g_return_val_if_fail(), g_return_if_reached(), g_return_val_if_reached()) + * should only be used for programming errors, a typical use case is + * checking for invalid parameters at the beginning of a public function. + * They should not be used if you just mean "if (error) return", they + * should only be used if you mean "if (bug in program) return". + * The program behavior is generally considered undefined after one + * of these checks fails. They are not intended for normal control + * flow, only to give a perhaps-helpful warning before giving up. + */ + +#include "config.h" + +#include +#include +#include +#include +#ifdef HAVE_UNISTD_H +#include +#endif +#include +#include +#include + +#include "gmessages.h" + +#include "gbacktrace.h" +#include "gconvert.h" +#include "gdebug.h" +#include "gmem.h" +#include "gprintfint.h" +#include "gtestutils.h" +#include "gthread.h" +#include "gthreadprivate.h" +#include "gstrfuncs.h" +#include "gstring.h" + +#ifdef G_OS_WIN32 +#include /* For getpid() */ +#include +# define STRICT /* Strict typing, please */ +# define _WIN32_WINDOWS 0x0401 /* to get IsDebuggerPresent */ +# include +# undef STRICT +#endif + + +/* --- structures --- */ +typedef struct _GLogDomain GLogDomain; +typedef struct _GLogHandler GLogHandler; +struct _GLogDomain +{ + gchar *log_domain; + GLogLevelFlags fatal_mask; + GLogHandler *handlers; + GLogDomain *next; +}; +struct _GLogHandler +{ + guint id; + GLogLevelFlags log_level; + GLogFunc log_func; + gpointer data; + GLogHandler *next; +}; + + +/* --- variables --- */ +static GMutex *g_messages_lock = NULL; +static GLogDomain *g_log_domains = NULL; +static GLogLevelFlags g_log_always_fatal = G_LOG_FATAL_MASK; +static GPrintFunc glib_print_func = NULL; +static GPrintFunc glib_printerr_func = NULL; +static GPrivate *g_log_depth = NULL; +static GLogLevelFlags g_log_msg_prefix = G_LOG_LEVEL_ERROR | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_DEBUG; +static GLogFunc default_log_func = g_log_default_handler; +static gpointer default_log_data = NULL; +static GTestLogFatalFunc fatal_log_func = NULL; +static gpointer fatal_log_data; + +/* --- functions --- */ +#ifdef G_OS_WIN32 +# define STRICT +# include +# undef STRICT +static gboolean win32_keep_fatal_message = FALSE; + +/* This default message will usually be overwritten. */ +/* Yes, a fixed size buffer is bad. So sue me. But g_error() is never + * called with huge strings, is it? + */ +static gchar fatal_msg_buf[1000] = "Unspecified fatal error encountered, aborting."; +static gchar *fatal_msg_ptr = fatal_msg_buf; + +#undef write +static inline int +dowrite (int fd, + const void *buf, + unsigned int len) +{ + if (win32_keep_fatal_message) + { + memcpy (fatal_msg_ptr, buf, len); + fatal_msg_ptr += len; + *fatal_msg_ptr = 0; + return len; + } + + write (fd, buf, len); + + return len; +} +#define write(fd, buf, len) dowrite(fd, buf, len) + +#endif + +static void +write_string (int fd, + const gchar *string) +{ + write (fd, string, strlen (string)); +} + +static void +g_messages_prefixed_init (void) +{ + static gboolean initialized = FALSE; + + if (!initialized) + { + const gchar *val; + + initialized = TRUE; + val = g_getenv ("G_MESSAGES_PREFIXED"); + + if (val) + { + const GDebugKey keys[] = { + { "error", G_LOG_LEVEL_ERROR }, + { "critical", G_LOG_LEVEL_CRITICAL }, + { "warning", G_LOG_LEVEL_WARNING }, + { "message", G_LOG_LEVEL_MESSAGE }, + { "info", G_LOG_LEVEL_INFO }, + { "debug", G_LOG_LEVEL_DEBUG } + }; + + g_log_msg_prefix = g_parse_debug_string (val, keys, G_N_ELEMENTS (keys)); + } + } +} + +static GLogDomain* +g_log_find_domain_L (const gchar *log_domain) +{ + register GLogDomain *domain; + + domain = g_log_domains; + while (domain) + { + if (strcmp (domain->log_domain, log_domain) == 0) + return domain; + domain = domain->next; + } + return NULL; +} + +static GLogDomain* +g_log_domain_new_L (const gchar *log_domain) +{ + register GLogDomain *domain; + + domain = g_new (GLogDomain, 1); + domain->log_domain = g_strdup (log_domain); + domain->fatal_mask = G_LOG_FATAL_MASK; + domain->handlers = NULL; + + domain->next = g_log_domains; + g_log_domains = domain; + + return domain; +} + +static void +g_log_domain_check_free_L (GLogDomain *domain) +{ + if (domain->fatal_mask == G_LOG_FATAL_MASK && + domain->handlers == NULL) + { + register GLogDomain *last, *work; + + last = NULL; + + work = g_log_domains; + while (work) + { + if (work == domain) + { + if (last) + last->next = domain->next; + else + g_log_domains = domain->next; + g_free (domain->log_domain); + g_free (domain); + break; + } + last = work; + work = last->next; + } + } +} + +static GLogFunc +g_log_domain_get_handler_L (GLogDomain *domain, + GLogLevelFlags log_level, + gpointer *data) +{ + if (domain && log_level) + { + register GLogHandler *handler; + + handler = domain->handlers; + while (handler) + { + if ((handler->log_level & log_level) == log_level) + { + *data = handler->data; + return handler->log_func; + } + handler = handler->next; + } + } + + *data = default_log_data; + return default_log_func; +} + +GLogLevelFlags +g_log_set_always_fatal (GLogLevelFlags fatal_mask) +{ + GLogLevelFlags old_mask; + + /* restrict the global mask to levels that are known to glib + * since this setting applies to all domains + */ + fatal_mask &= (1 << G_LOG_LEVEL_USER_SHIFT) - 1; + /* force errors to be fatal */ + fatal_mask |= G_LOG_LEVEL_ERROR; + /* remove bogus flag */ + fatal_mask &= ~G_LOG_FLAG_FATAL; + + g_mutex_lock (g_messages_lock); + old_mask = g_log_always_fatal; + g_log_always_fatal = fatal_mask; + g_mutex_unlock (g_messages_lock); + + return old_mask; +} + +GLogLevelFlags +g_log_set_fatal_mask (const gchar *log_domain, + GLogLevelFlags fatal_mask) +{ + GLogLevelFlags old_flags; + register GLogDomain *domain; + + if (!log_domain) + log_domain = ""; + + /* force errors to be fatal */ + fatal_mask |= G_LOG_LEVEL_ERROR; + /* remove bogus flag */ + fatal_mask &= ~G_LOG_FLAG_FATAL; + + g_mutex_lock (g_messages_lock); + + domain = g_log_find_domain_L (log_domain); + if (!domain) + domain = g_log_domain_new_L (log_domain); + old_flags = domain->fatal_mask; + + domain->fatal_mask = fatal_mask; + g_log_domain_check_free_L (domain); + + g_mutex_unlock (g_messages_lock); + + return old_flags; +} + +guint +g_log_set_handler (const gchar *log_domain, + GLogLevelFlags log_levels, + GLogFunc log_func, + gpointer user_data) +{ + static guint handler_id = 0; + GLogDomain *domain; + GLogHandler *handler; + + g_return_val_if_fail ((log_levels & G_LOG_LEVEL_MASK) != 0, 0); + g_return_val_if_fail (log_func != NULL, 0); + + if (!log_domain) + log_domain = ""; + + handler = g_new (GLogHandler, 1); + + g_mutex_lock (g_messages_lock); + + domain = g_log_find_domain_L (log_domain); + if (!domain) + domain = g_log_domain_new_L (log_domain); + + handler->id = ++handler_id; + handler->log_level = log_levels; + handler->log_func = log_func; + handler->data = user_data; + handler->next = domain->handlers; + domain->handlers = handler; + + g_mutex_unlock (g_messages_lock); + + return handler_id; +} + +GLogFunc +g_log_set_default_handler (GLogFunc log_func, + gpointer user_data) +{ + GLogFunc old_log_func; + + g_mutex_lock (g_messages_lock); + old_log_func = default_log_func; + default_log_func = log_func; + default_log_data = user_data; + g_mutex_unlock (g_messages_lock); + + return old_log_func; +} + +/** + * g_test_log_set_fatal_handler: + * @log_func: the log handler function. + * @user_data: data passed to the log handler. + * + * Installs a non-error fatal log handler which can be + * used to decide whether log messages which are counted + * as fatal abort the program. + * + * The use case here is that you are running a test case + * that depends on particular libraries or circumstances + * and cannot prevent certain known critical or warning + * messages. So you install a handler that compares the + * domain and message to precisely not abort in such a case. + * + * Note that the handler is reset at the beginning of + * any test case, so you have to set it inside each test + * function which needs the special behavior. + * + * This handler has no effect on g_error messages. + * + * Since: 2.22 + **/ +void +g_test_log_set_fatal_handler (GTestLogFatalFunc log_func, + gpointer user_data) +{ + g_mutex_lock (g_messages_lock); + fatal_log_func = log_func; + fatal_log_data = user_data; + g_mutex_unlock (g_messages_lock); +} + +void +g_log_remove_handler (const gchar *log_domain, + guint handler_id) +{ + register GLogDomain *domain; + + g_return_if_fail (handler_id > 0); + + if (!log_domain) + log_domain = ""; + + g_mutex_lock (g_messages_lock); + domain = g_log_find_domain_L (log_domain); + if (domain) + { + GLogHandler *work, *last; + + last = NULL; + work = domain->handlers; + while (work) + { + if (work->id == handler_id) + { + if (last) + last->next = work->next; + else + domain->handlers = work->next; + g_log_domain_check_free_L (domain); + g_mutex_unlock (g_messages_lock); + g_free (work); + return; + } + last = work; + work = last->next; + } + } + g_mutex_unlock (g_messages_lock); + g_warning ("%s: could not find handler with id `%d' for domain \"%s\"", + G_STRLOC, handler_id, log_domain); +} + +void +g_logv (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *format, + va_list args1) +{ + gboolean was_fatal = (log_level & G_LOG_FLAG_FATAL) != 0; + gboolean was_recursion = (log_level & G_LOG_FLAG_RECURSION) != 0; + gint i; + + log_level &= G_LOG_LEVEL_MASK; + if (!log_level) + return; + + for (i = g_bit_nth_msf (log_level, -1); i >= 0; i = g_bit_nth_msf (log_level, i)) + { + register GLogLevelFlags test_level; + + test_level = 1 << i; + if (log_level & test_level) + { + guint depth = GPOINTER_TO_UINT (g_private_get (g_log_depth)); + GLogDomain *domain; + GLogFunc log_func; + GLogLevelFlags domain_fatal_mask; + gpointer data = NULL; + gboolean masquerade_fatal = FALSE; + + if (was_fatal) + test_level |= G_LOG_FLAG_FATAL; + if (was_recursion) + test_level |= G_LOG_FLAG_RECURSION; + + /* check recursion and lookup handler */ + g_mutex_lock (g_messages_lock); + domain = g_log_find_domain_L (log_domain ? log_domain : ""); + if (depth) + test_level |= G_LOG_FLAG_RECURSION; + depth++; + domain_fatal_mask = domain ? domain->fatal_mask : G_LOG_FATAL_MASK; + if ((domain_fatal_mask | g_log_always_fatal) & test_level) + test_level |= G_LOG_FLAG_FATAL; + if (test_level & G_LOG_FLAG_RECURSION) + log_func = _g_log_fallback_handler; + else + log_func = g_log_domain_get_handler_L (domain, test_level, &data); + domain = NULL; + g_mutex_unlock (g_messages_lock); + + g_private_set (g_log_depth, GUINT_TO_POINTER (depth)); + + /* had to defer debug initialization until we can keep track of recursion */ + if (!(test_level & G_LOG_FLAG_RECURSION) && !_g_debug_initialized) + { + GLogLevelFlags orig_test_level = test_level; + + _g_debug_init (); + if ((domain_fatal_mask | g_log_always_fatal) & test_level) + test_level |= G_LOG_FLAG_FATAL; + if (test_level != orig_test_level) + { + /* need a relookup, not nice, but not too bad either */ + g_mutex_lock (g_messages_lock); + domain = g_log_find_domain_L (log_domain ? log_domain : ""); + log_func = g_log_domain_get_handler_L (domain, test_level, &data); + domain = NULL; + g_mutex_unlock (g_messages_lock); + } + } + + if (test_level & G_LOG_FLAG_RECURSION) + { + /* we use a stack buffer of fixed size, since we're likely + * in an out-of-memory situation + */ + gchar buffer[1025]; + gsize size G_GNUC_UNUSED; + va_list args2; + + G_VA_COPY (args2, args1); + size = _g_vsnprintf (buffer, 1024, format, args2); + va_end (args2); + + log_func (log_domain, test_level, buffer, data); + } + else + { + gchar *msg; + va_list args2; + + G_VA_COPY (args2, args1); + msg = g_strdup_vprintf (format, args2); + va_end (args2); + + log_func (log_domain, test_level, msg, data); + + if ((test_level & G_LOG_FLAG_FATAL) + && !(test_level & G_LOG_LEVEL_ERROR)) + { + masquerade_fatal = fatal_log_func + && !fatal_log_func (log_domain, test_level, msg, fatal_log_data); + } + + g_free (msg); + } + + if ((test_level & G_LOG_FLAG_FATAL) && !masquerade_fatal) + { +#ifdef G_OS_WIN32 + gchar *locale_msg = g_locale_from_utf8 (fatal_msg_buf, -1, NULL, NULL, NULL); + + MessageBox (NULL, locale_msg, NULL, + MB_ICONERROR|MB_SETFOREGROUND); + if (IsDebuggerPresent () && !(test_level & G_LOG_FLAG_RECURSION)) + G_BREAKPOINT (); + else + abort (); +#else + if (!(test_level & G_LOG_FLAG_RECURSION)) + G_BREAKPOINT (); + else + abort (); +#endif /* !G_OS_WIN32 */ + } + + depth--; + g_private_set (g_log_depth, GUINT_TO_POINTER (depth)); + } + } +} + +void +g_log (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *format, + ...) +{ + va_list args; + + va_start (args, format); + g_logv (log_domain, log_level, format, args); + va_end (args); +} + +void +g_return_if_fail_warning (const char *log_domain, + const char *pretty_function, + const char *expression) +{ + g_log (log_domain, + G_LOG_LEVEL_CRITICAL, + "%s: assertion `%s' failed", + pretty_function, + expression); +} + +void +g_warn_message (const char *domain, + const char *file, + int line, + const char *func, + const char *warnexpr) +{ + char *s, lstr[32]; + g_snprintf (lstr, 32, "%d", line); + if (warnexpr) + s = g_strconcat ("(", file, ":", lstr, "):", + func, func[0] ? ":" : "", + " runtime check failed: (", warnexpr, ")", NULL); + else + s = g_strconcat ("(", file, ":", lstr, "):", + func, func[0] ? ":" : "", + " ", "code should not be reached", NULL); + g_log (domain, G_LOG_LEVEL_WARNING, "%s", s); + g_free (s); +} + +void +g_assert_warning (const char *log_domain, + const char *file, + const int line, + const char *pretty_function, + const char *expression) +{ + g_log (log_domain, + G_LOG_LEVEL_ERROR, + expression + ? "file %s: line %d (%s): assertion failed: (%s)" + : "file %s: line %d (%s): should not be reached", + file, + line, + pretty_function, + expression); + abort (); +} + +#define CHAR_IS_SAFE(wc) (!((wc < 0x20 && wc != '\t' && wc != '\n' && wc != '\r') || \ + (wc == 0x7f) || \ + (wc >= 0x80 && wc < 0xa0))) + +/* For a radix of 8 we need at most 3 output bytes for 1 input + * byte. Additionally we might need up to 2 output bytes for the + * readix prefix and 1 byte for the trailing NULL. + */ +#define FORMAT_UNSIGNED_BUFSIZE ((GLIB_SIZEOF_LONG * 3) + 3) + +static void +format_unsigned (gchar *buf, + gulong num, + guint radix) +{ + gulong tmp; + gchar c; + gint i, n; + + /* we may not call _any_ GLib functions here (or macros like g_return_if_fail()) */ + + if (radix != 8 && radix != 10 && radix != 16) + { + *buf = '\000'; + return; + } + + if (!num) + { + *buf++ = '0'; + *buf = '\000'; + return; + } + + if (radix == 16) + { + *buf++ = '0'; + *buf++ = 'x'; + } + else if (radix == 8) + { + *buf++ = '0'; + } + + n = 0; + tmp = num; + while (tmp) + { + tmp /= radix; + n++; + } + + i = n; + + /* Again we can't use g_assert; actually this check should _never_ fail. */ + if (n > FORMAT_UNSIGNED_BUFSIZE - 3) + { + *buf = '\000'; + return; + } + + while (num) + { + i--; + c = (num % radix); + if (c < 10) + buf[i] = c + '0'; + else + buf[i] = c + 'a' - 10; + num /= radix; + } + + buf[n] = '\000'; +} + +/* string size big enough to hold level prefix */ +#define STRING_BUFFER_SIZE (FORMAT_UNSIGNED_BUFSIZE + 32) + +#define ALERT_LEVELS (G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING) + +static int +mklevel_prefix (gchar level_prefix[STRING_BUFFER_SIZE], + GLogLevelFlags log_level) +{ + gboolean to_stdout = TRUE; + + /* we may not call _any_ GLib functions here */ + + switch (log_level & G_LOG_LEVEL_MASK) + { + case G_LOG_LEVEL_ERROR: + strcpy (level_prefix, "ERROR"); + to_stdout = FALSE; + break; + case G_LOG_LEVEL_CRITICAL: + strcpy (level_prefix, "CRITICAL"); + to_stdout = FALSE; + break; + case G_LOG_LEVEL_WARNING: + strcpy (level_prefix, "WARNING"); + to_stdout = FALSE; + break; + case G_LOG_LEVEL_MESSAGE: + strcpy (level_prefix, "Message"); + to_stdout = FALSE; + break; + case G_LOG_LEVEL_INFO: + strcpy (level_prefix, "INFO"); + break; + case G_LOG_LEVEL_DEBUG: + strcpy (level_prefix, "DEBUG"); + break; + default: + if (log_level) + { + strcpy (level_prefix, "LOG-"); + format_unsigned (level_prefix + 4, log_level & G_LOG_LEVEL_MASK, 16); + } + else + strcpy (level_prefix, "LOG"); + break; + } + if (log_level & G_LOG_FLAG_RECURSION) + strcat (level_prefix, " (recursed)"); + if (log_level & ALERT_LEVELS) + strcat (level_prefix, " **"); + +#ifdef G_OS_WIN32 + win32_keep_fatal_message = (log_level & G_LOG_FLAG_FATAL) != 0; +#endif + return to_stdout ? 1 : 2; +} + +void +_g_log_fallback_handler (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *message, + gpointer unused_data) +{ + gchar level_prefix[STRING_BUFFER_SIZE]; +#ifndef G_OS_WIN32 + gchar pid_string[FORMAT_UNSIGNED_BUFSIZE]; +#endif + int fd; + + /* we cannot call _any_ GLib functions in this fallback handler, + * which is why we skip UTF-8 conversion, etc. + * since we either recursed or ran out of memory, we're in a pretty + * pathologic situation anyways, what we can do is giving the + * the process ID unconditionally however. + */ + + fd = mklevel_prefix (level_prefix, log_level); + if (!message) + message = "(NULL) message"; + +#ifndef G_OS_WIN32 + format_unsigned (pid_string, getpid (), 10); +#endif + + if (log_domain) + write_string (fd, "\n"); + else + write_string (fd, "\n** "); + +#ifndef G_OS_WIN32 + write_string (fd, "(process:"); + write_string (fd, pid_string); + write_string (fd, "): "); +#endif + + if (log_domain) + { + write_string (fd, log_domain); + write_string (fd, "-"); + } + write_string (fd, level_prefix); + write_string (fd, ": "); + write_string (fd, message); +} + +void +g_log_default_handler (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *message, + gpointer unused_data) +{ + gchar level_prefix[STRING_BUFFER_SIZE], *string; + GString *gstring; + int fd; + + /* we can be called externally with recursion for whatever reason */ + if (log_level & G_LOG_FLAG_RECURSION) + { + _g_log_fallback_handler (log_domain, log_level, message, unused_data); + return; + } + + g_messages_prefixed_init (); + + fd = mklevel_prefix (level_prefix, log_level); + + gstring = g_string_new (NULL); + if (log_level & ALERT_LEVELS) + g_string_append (gstring, "\n"); + if (!log_domain) + g_string_append (gstring, "** "); + + if ((g_log_msg_prefix & log_level) == log_level) + { + const gchar *prg_name = g_get_prgname (); + + if (!prg_name) + g_string_append_printf (gstring, "(process:%lu): ", (gulong)getpid ()); + else + g_string_append_printf (gstring, "(%s:%lu): ", prg_name, (gulong)getpid ()); + } + + if (log_domain) + { + g_string_append (gstring, log_domain); + g_string_append_c (gstring, '-'); + } + g_string_append (gstring, level_prefix); + + g_string_append (gstring, ": "); + if (!message) + g_string_append (gstring, "(NULL) message"); + else + { + GString *msg; + + msg = g_string_new (message); + + g_string_append (gstring, msg->str); /* assume UTF-8 */ + + g_string_free (msg, TRUE); + } + g_string_append (gstring, "\n"); + + string = g_string_free (gstring, FALSE); + + write_string (fd, string); + g_free (string); +} + +/** + * g_set_print_handler: + * @func: the new print handler + * + * Sets the print handler. + * + * Any messages passed to g_print() will be output via + * the new handler. The default handler simply outputs + * the message to stdout. By providing your own handler + * you can redirect the output, to a GTK+ widget or a + * log file for example. + * + * Returns: the old print handler + */ +GPrintFunc +g_set_print_handler (GPrintFunc func) +{ + GPrintFunc old_print_func; + + g_mutex_lock (g_messages_lock); + old_print_func = glib_print_func; + glib_print_func = func; + g_mutex_unlock (g_messages_lock); + + return old_print_func; +} + +/** + * g_print: + * @format: the message format. See the printf() documentation + * @...: the parameters to insert into the format string + * + * Outputs a formatted message via the print handler. + * The default print handler simply outputs the message to stdout. + * + * g_print() should not be used from within libraries for debugging + * messages, since it may be redirected by applications to special + * purpose message windows or even files. Instead, libraries should + * use g_log(), or the convenience functions g_message(), g_warning() + * and g_error(). + */ +void +g_print (const gchar *format, + ...) +{ + va_list args; + gchar *string; + GPrintFunc local_glib_print_func; + + g_return_if_fail (format != NULL); + + va_start (args, format); + string = g_strdup_vprintf (format, args); + va_end (args); + + g_mutex_lock (g_messages_lock); + local_glib_print_func = glib_print_func; + g_mutex_unlock (g_messages_lock); + + if (local_glib_print_func) + local_glib_print_func (string); + else + { + fputs (string, stdout); /* assume UTF-8 */ + fflush (stdout); + } + g_free (string); +} + +/** + * g_set_printerr_handler: + * @func: the new error message handler + * + * Sets the handler for printing error messages. + * + * Any messages passed to g_printerr() will be output via + * the new handler. The default handler simply outputs the + * message to stderr. By providing your own handler you can + * redirect the output, to a GTK+ widget or a log file for + * example. + * + * Returns: the old error message handler + */ +GPrintFunc +g_set_printerr_handler (GPrintFunc func) +{ + GPrintFunc old_printerr_func; + + g_mutex_lock (g_messages_lock); + old_printerr_func = glib_printerr_func; + glib_printerr_func = func; + g_mutex_unlock (g_messages_lock); + + return old_printerr_func; +} + +/** + * g_printerr: + * @format: the message format. See the printf() documentation + * @...: the parameters to insert into the format string + * + * Outputs a formatted message via the error message handler. + * The default handler simply outputs the message to stderr. + * + * g_printerr() should not be used from within libraries. + * Instead g_log() should be used, or the convenience functions + * g_message(), g_warning() and g_error(). + */ +void +g_printerr (const gchar *format, + ...) +{ + va_list args; + gchar *string; + GPrintFunc local_glib_printerr_func; + + g_return_if_fail (format != NULL); + + va_start (args, format); + string = g_strdup_vprintf (format, args); + va_end (args); + + g_mutex_lock (g_messages_lock); + local_glib_printerr_func = glib_printerr_func; + g_mutex_unlock (g_messages_lock); + + if (local_glib_printerr_func) + local_glib_printerr_func (string); + else + { + fputs (string, stderr); /* assume UTF-8 */ + fflush (stderr); + } + g_free (string); +} + +gsize +g_printf_string_upper_bound (const gchar *format, + va_list args) +{ + gchar c; + return _g_vsnprintf (&c, 1, format, args) + 1; +} + +void +_g_messages_thread_init_nomessage (void) +{ + g_messages_lock = g_mutex_new (); + g_log_depth = g_private_new (NULL); + g_messages_prefixed_init (); + _g_debug_init (); +} + +gboolean _g_debug_initialized = FALSE; +guint _g_debug_flags = 0; + +void +_g_debug_init (void) +{ + const gchar *val; + + _g_debug_initialized = TRUE; + + val = g_getenv ("G_DEBUG"); + if (val != NULL) + { + const GDebugKey keys[] = { + {"fatal_warnings", G_DEBUG_FATAL_WARNINGS}, + {"fatal_criticals", G_DEBUG_FATAL_CRITICALS} + }; + + _g_debug_flags = g_parse_debug_string (val, keys, G_N_ELEMENTS (keys)); + } + + if (_g_debug_flags & G_DEBUG_FATAL_WARNINGS) + { + GLogLevelFlags fatal_mask; + + fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK); + fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL; + g_log_set_always_fatal (fatal_mask); + } + + if (_g_debug_flags & G_DEBUG_FATAL_CRITICALS) + { + GLogLevelFlags fatal_mask; + + fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK); + fatal_mask |= G_LOG_LEVEL_CRITICAL; + g_log_set_always_fatal (fatal_mask); + } +} diff --git a/deps/glib/gmessages.h b/deps/glib/gmessages.h new file mode 100644 index 0000000..c5220e3 --- /dev/null +++ b/deps/glib/gmessages.h @@ -0,0 +1,405 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_MESSAGES_H__ +#define __G_MESSAGES_H__ + +#include +#include +#include + +/* Suppress warnings when GCC is in -pedantic mode and not -std=c99 + */ +#if (__GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)) +#pragma GCC system_header +#endif + +G_BEGIN_DECLS + +/* calculate a string size, guaranteed to fit format + args. + */ +gsize g_printf_string_upper_bound (const gchar* format, + va_list args); + +/* Log level shift offset for user defined + * log levels (0-7 are used by GLib). + */ +#define G_LOG_LEVEL_USER_SHIFT (8) + +/* Glib log levels and flags. + */ +typedef enum +{ + /* log flags */ + G_LOG_FLAG_RECURSION = 1 << 0, + G_LOG_FLAG_FATAL = 1 << 1, + + /* GLib log levels */ + G_LOG_LEVEL_ERROR = 1 << 2, /* always fatal */ + G_LOG_LEVEL_CRITICAL = 1 << 3, + G_LOG_LEVEL_WARNING = 1 << 4, + G_LOG_LEVEL_MESSAGE = 1 << 5, + G_LOG_LEVEL_INFO = 1 << 6, + G_LOG_LEVEL_DEBUG = 1 << 7, + + G_LOG_LEVEL_MASK = ~(G_LOG_FLAG_RECURSION | G_LOG_FLAG_FATAL) +} GLogLevelFlags; + +/* GLib log levels that are considered fatal by default */ +#define G_LOG_FATAL_MASK (G_LOG_FLAG_RECURSION | G_LOG_LEVEL_ERROR) + +typedef void (*GLogFunc) (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *message, + gpointer user_data); + +/* Logging mechanism + */ +guint g_log_set_handler (const gchar *log_domain, + GLogLevelFlags log_levels, + GLogFunc log_func, + gpointer user_data); +void g_log_remove_handler (const gchar *log_domain, + guint handler_id); +void g_log_default_handler (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *message, + gpointer unused_data); +GLogFunc g_log_set_default_handler (GLogFunc log_func, + gpointer user_data); +void g_log (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *format, + ...) G_GNUC_PRINTF (3, 4); +void g_logv (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *format, + va_list args); +GLogLevelFlags g_log_set_fatal_mask (const gchar *log_domain, + GLogLevelFlags fatal_mask); +GLogLevelFlags g_log_set_always_fatal (GLogLevelFlags fatal_mask); + +/* internal */ +G_GNUC_INTERNAL void _g_log_fallback_handler (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *message, + gpointer unused_data); + +/* Internal functions, used to implement the following macros */ +void g_return_if_fail_warning (const char *log_domain, + const char *pretty_function, + const char *expression); +void g_warn_message (const char *domain, + const char *file, + int line, + const char *func, + const char *warnexpr); +#ifndef G_DISABLE_DEPRECATED +void g_assert_warning (const char *log_domain, + const char *file, + const int line, + const char *pretty_function, + const char *expression) G_GNUC_NORETURN; +#endif /* !G_DISABLE_DEPRECATED */ + + +#ifndef G_LOG_DOMAIN +#define G_LOG_DOMAIN ((gchar*) 0) +#endif /* G_LOG_DOMAIN */ +#ifdef G_HAVE_ISO_VARARGS +/* for(;;) ; so that GCC knows that control doesn't go past g_error(). + * Put space before ending semicolon to avoid C++ build warnings. + */ +#define g_error(...) G_STMT_START { \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_ERROR, \ + __VA_ARGS__); \ + for (;;) ; \ + } G_STMT_END + +#define g_message(...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_MESSAGE, \ + __VA_ARGS__) +#define g_critical(...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + __VA_ARGS__) +#define g_warning(...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_WARNING, \ + __VA_ARGS__) +#define g_debug(...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_DEBUG, \ + __VA_ARGS__) +#elif defined(G_HAVE_GNUC_VARARGS) +#define g_error(format...) G_STMT_START { \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_ERROR, \ + format); \ + for (;;) ; \ + } G_STMT_END + +#define g_message(format...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_MESSAGE, \ + format) +#define g_critical(format...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + format) +#define g_warning(format...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_WARNING, \ + format) +#define g_debug(format...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_DEBUG, \ + format) +#else /* no varargs macros */ +static void +g_error (const gchar *format, + ...) +{ + va_list args; + va_start (args, format); + g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_ERROR, format, args); + va_end (args); + + for(;;) ; +} +static void +g_message (const gchar *format, + ...) +{ + va_list args; + va_start (args, format); + g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE, format, args); + va_end (args); +} +static void +g_critical (const gchar *format, + ...) +{ + va_list args; + va_start (args, format); + g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, format, args); + va_end (args); +} +static void +g_warning (const gchar *format, + ...) +{ + va_list args; + va_start (args, format); + g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING, format, args); + va_end (args); +} +static void +g_debug (const gchar *format, + ...) +{ + va_list args; + va_start (args, format); + g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, format, args); + va_end (args); +} +#endif /* !__GNUC__ */ + +/** + * GPrintFunc: + * @string: the message to output + * + * Specifies the type of the print handler functions. + * These are called with the complete formatted string to output. + */ +typedef void (*GPrintFunc) (const gchar *string); +void g_print (const gchar *format, + ...) G_GNUC_PRINTF (1, 2); +GPrintFunc g_set_print_handler (GPrintFunc func); +void g_printerr (const gchar *format, + ...) G_GNUC_PRINTF (1, 2); +GPrintFunc g_set_printerr_handler (GPrintFunc func); + +/** + * g_warn_if_reached: + * + * Logs a critical warning. + * + * Since: 2.16 + */ +#define g_warn_if_reached() \ + do { \ + g_warn_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, NULL); \ + } while (0) + +/** + * g_warn_if_fail: + * @expr: the expression to check + * + * Logs a warning if the expression is not true. + * + * Since: 2.16 + */ +#define g_warn_if_fail(expr) \ + do { \ + if G_LIKELY (expr) ; \ + else g_warn_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, #expr); \ + } while (0) + +#ifdef G_DISABLE_CHECKS + +/** + * g_return_if_fail: + * @expr: the expression to check + * + * Verifies that the expression evaluates to %TRUE. If the expression + * evaluates to %FALSE, a critical message is logged and the current + * function returns. This can only be used in functions which do not + * return a value. + * + * If G_DISABLE_CHECKS is defined then the check is not performed. You + * should therefore not depend on any side effects of @expr. + */ +#define g_return_if_fail(expr) G_STMT_START{ (void)0; }G_STMT_END + +/** + * g_return_val_if_fail: + * @expr: the expression to check + * @val: the value to return from the current function + * if the expression is not true + * + * Verifies that the expression evaluates to %TRUE. If the expression + * evaluates to %FALSE, a critical message is logged and @val is + * returned from the current function. + * + * If G_DISABLE_CHECKS is defined then the check is not performed. You + * should therefore not depend on any side effects of @expr. + */ +#define g_return_val_if_fail(expr,val) G_STMT_START{ (void)0; }G_STMT_END + +/** + * g_return_if_reached: + * + * Logs a critical message and returns from the current function. + * This can only be used in functions which do not return a value. + */ +#define g_return_if_reached() G_STMT_START{ return; }G_STMT_END + +/** + * g_return_val_if_reached: + * @val: the value to return from the current function + * + * Logs a critical message and returns @val. + */ +#define g_return_val_if_reached(val) G_STMT_START{ return (val); }G_STMT_END + +#else /* !G_DISABLE_CHECKS */ + +#ifdef __GNUC__ + +#define g_return_if_fail(expr) G_STMT_START{ \ + if G_LIKELY(expr) { } else \ + { \ + g_return_if_fail_warning (G_LOG_DOMAIN, \ + __PRETTY_FUNCTION__, \ + #expr); \ + return; \ + }; }G_STMT_END + +#define g_return_val_if_fail(expr,val) G_STMT_START{ \ + if G_LIKELY(expr) { } else \ + { \ + g_return_if_fail_warning (G_LOG_DOMAIN, \ + __PRETTY_FUNCTION__, \ + #expr); \ + return (val); \ + }; }G_STMT_END + +#define g_return_if_reached() G_STMT_START{ \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d (%s): should not be reached", \ + __FILE__, \ + __LINE__, \ + __PRETTY_FUNCTION__); \ + return; }G_STMT_END + +#define g_return_val_if_reached(val) G_STMT_START{ \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d (%s): should not be reached", \ + __FILE__, \ + __LINE__, \ + __PRETTY_FUNCTION__); \ + return (val); }G_STMT_END + +#else /* !__GNUC__ */ + +#define g_return_if_fail(expr) G_STMT_START{ \ + if (expr) { } else \ + { \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d: assertion `%s' failed", \ + __FILE__, \ + __LINE__, \ + #expr); \ + return; \ + }; }G_STMT_END + +#define g_return_val_if_fail(expr, val) G_STMT_START{ \ + if (expr) { } else \ + { \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d: assertion `%s' failed", \ + __FILE__, \ + __LINE__, \ + #expr); \ + return (val); \ + }; }G_STMT_END + +#define g_return_if_reached() G_STMT_START{ \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d: should not be reached", \ + __FILE__, \ + __LINE__); \ + return; }G_STMT_END + +#define g_return_val_if_reached(val) G_STMT_START{ \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d: should not be reached", \ + __FILE__, \ + __LINE__); \ + return (val); }G_STMT_END + +#endif /* !__GNUC__ */ + +#endif /* !G_DISABLE_CHECKS */ + +G_END_DECLS + +#endif /* __G_MESSAGES_H__ */ diff --git a/deps/glib/gprintf.c b/deps/glib/gprintf.c new file mode 100644 index 0000000..346fd95 --- /dev/null +++ b/deps/glib/gprintf.c @@ -0,0 +1,340 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997, 2002 Peter Mattis, Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "config.h" + +#include +#include +#include + +#include "gprintf.h" +#include "gprintfint.h" + + +/** + * g_printf: + * @format: a standard printf() format string, but notice + * string precision pitfalls. + * @...: the arguments to insert in the output. + * + * An implementation of the standard printf() function which supports + * positional parameters, as specified in the Single Unix Specification. + * + * Returns: the number of bytes printed. + * + * Since: 2.2 + **/ +gint +g_printf (gchar const *format, + ...) +{ + va_list args; + gint retval; + + va_start (args, format); + retval = g_vprintf (format, args); + va_end (args); + + return retval; +} + +/** + * g_fprintf: + * @file: the stream to write to. + * @format: a standard printf() format string, but notice + * string precision pitfalls. + * @...: the arguments to insert in the output. + * + * An implementation of the standard fprintf() function which supports + * positional parameters, as specified in the Single Unix Specification. + * + * Returns: the number of bytes printed. + * + * Since: 2.2 + **/ +gint +g_fprintf (FILE *file, + gchar const *format, + ...) +{ + va_list args; + gint retval; + + va_start (args, format); + retval = g_vfprintf (file, format, args); + va_end (args); + + return retval; +} + +/** + * g_sprintf: + * @string: A pointer to a memory buffer to contain the resulting string. It + * is up to the caller to ensure that the allocated buffer is large + * enough to hold the formatted result + * @format: a standard printf() format string, but notice + * string precision pitfalls. + * @...: the arguments to insert in the output. + * + * An implementation of the standard sprintf() function which supports + * positional parameters, as specified in the Single Unix Specification. + * + * Note that it is usually better to use g_snprintf(), to avoid the + * risk of buffer overflow. + * + * See also g_strdup_printf(). + * + * Returns: the number of bytes printed. + * + * Since: 2.2 + **/ +gint +g_sprintf (gchar *string, + gchar const *format, + ...) +{ + va_list args; + gint retval; + + va_start (args, format); + retval = g_vsprintf (string, format, args); + va_end (args); + + return retval; +} + +/** + * g_snprintf: + * @string: the buffer to hold the output. + * @n: the maximum number of bytes to produce (including the + * terminating nul character). + * @format: a standard printf() format string, but notice + * string precision pitfalls. + * @...: the arguments to insert in the output. + * + * A safer form of the standard sprintf() function. The output is guaranteed + * to not exceed @n characters (including the terminating nul character), so + * it is easy to ensure that a buffer overflow cannot occur. + * + * See also g_strdup_printf(). + * + * In versions of GLib prior to 1.2.3, this function may return -1 if the + * output was truncated, and the truncated string may not be nul-terminated. + * In versions prior to 1.3.12, this function returns the length of the output + * string. + * + * The return value of g_snprintf() conforms to the snprintf() + * function as standardized in ISO C99. Note that this is different from + * traditional snprintf(), which returns the length of the output string. + * + * The format string may contain positional parameters, as specified in + * the Single Unix Specification. + * + * Returns: the number of bytes which would be produced if the buffer + * was large enough. + **/ +gint +g_snprintf (gchar *string, + gulong n, + gchar const *format, + ...) +{ + va_list args; + gint retval; + + va_start (args, format); + retval = g_vsnprintf (string, n, format, args); + va_end (args); + + return retval; +} + +/** + * g_vprintf: + * @format: a standard printf() format string, but notice + * string precision pitfalls. + * @args: the list of arguments to insert in the output. + * + * An implementation of the standard vprintf() function which supports + * positional parameters, as specified in the Single Unix Specification. + * + * Returns: the number of bytes printed. + * + * Since: 2.2 + **/ +gint +g_vprintf (gchar const *format, + va_list args) +{ + g_return_val_if_fail (format != NULL, -1); + + return _g_vprintf (format, args); +} + +/** + * g_vfprintf: + * @file: the stream to write to. + * @format: a standard printf() format string, but notice + * string precision pitfalls. + * @args: the list of arguments to insert in the output. + * + * An implementation of the standard fprintf() function which supports + * positional parameters, as specified in the Single Unix Specification. + * + * Returns: the number of bytes printed. + * + * Since: 2.2 + **/ +gint +g_vfprintf (FILE *file, + gchar const *format, + va_list args) +{ + g_return_val_if_fail (format != NULL, -1); + + return _g_vfprintf (file, format, args); +} + +/** + * g_vsprintf: + * @string: the buffer to hold the output. + * @format: a standard printf() format string, but notice + * string precision pitfalls. + * @args: the list of arguments to insert in the output. + * + * An implementation of the standard vsprintf() function which supports + * positional parameters, as specified in the Single Unix Specification. + * + * Returns: the number of bytes printed. + * + * Since: 2.2 + **/ +gint +g_vsprintf (gchar *string, + gchar const *format, + va_list args) +{ + g_return_val_if_fail (string != NULL, -1); + g_return_val_if_fail (format != NULL, -1); + + return _g_vsprintf (string, format, args); +} + +/** + * g_vsnprintf: + * @string: the buffer to hold the output. + * @n: the maximum number of bytes to produce (including the + * terminating nul character). + * @format: a standard printf() format string, but notice + * string precision pitfalls. + * @args: the list of arguments to insert in the output. + * + * A safer form of the standard vsprintf() function. The output is guaranteed + * to not exceed @n characters (including the terminating nul character), so + * it is easy to ensure that a buffer overflow cannot occur. + * + * See also g_strdup_vprintf(). + * + * In versions of GLib prior to 1.2.3, this function may return -1 if the + * output was truncated, and the truncated string may not be nul-terminated. + * In versions prior to 1.3.12, this function returns the length of the output + * string. + * + * The return value of g_vsnprintf() conforms to the vsnprintf() function + * as standardized in ISO C99. Note that this is different from traditional + * vsnprintf(), which returns the length of the output string. + * + * The format string may contain positional parameters, as specified in + * the Single Unix Specification. + * + * Returns: the number of bytes which would be produced if the buffer + * was large enough. + */ +gint +g_vsnprintf (gchar *string, + gulong n, + gchar const *format, + va_list args) +{ + g_return_val_if_fail (n == 0 || string != NULL, -1); + g_return_val_if_fail (format != NULL, -1); + + return _g_vsnprintf (string, n, format, args); +} + +/** + * g_vasprintf: + * @string: the return location for the newly-allocated string. + * @format: a standard printf() format string, but notice + * string precision pitfalls. + * @args: the list of arguments to insert in the output. + * + * An implementation of the GNU vasprintf() function which supports + * positional parameters, as specified in the Single Unix Specification. + * This function is similar to g_vsprintf(), except that it allocates a + * string to hold the output, instead of putting the output in a buffer + * you allocate in advance. + * + * Returns: the number of bytes printed. + * + * Since: 2.4 + **/ +gint +g_vasprintf (gchar **string, + gchar const *format, + va_list args) +{ + gint len; + g_return_val_if_fail (string != NULL, -1); + +#if !defined(HAVE_GOOD_PRINTF) + + len = _g_gnulib_vasprintf (string, format, args); + if (len < 0) + *string = NULL; + +#elif defined (HAVE_VASPRINTF) + + len = vasprintf (string, format, args); + if (len < 0) + *string = NULL; + else if (!g_mem_is_system_malloc ()) + { + /* vasprintf returns malloc-allocated memory */ + gchar *string1 = g_strndup (*string, len); + free (*string); + *string = string1; + } + +#else + + { + va_list args2; + + G_VA_COPY (args2, args); + + *string = g_new (gchar, g_printf_string_upper_bound (format, args)); + + len = _g_vsprintf (*string, format, args2); + va_end (args2); + } +#endif + + return len; +} diff --git a/deps/glib/gprintf.h b/deps/glib/gprintf.h new file mode 100644 index 0000000..d96870f --- /dev/null +++ b/deps/glib/gprintf.h @@ -0,0 +1,52 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997, 2002 Peter Mattis, Red Hat, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __G_PRINTF_H__ +#define __G_PRINTF_H__ + +#include +#include +#include + +G_BEGIN_DECLS + +gint g_printf (gchar const *format, + ...) G_GNUC_PRINTF (1, 2); +gint g_fprintf (FILE *file, + gchar const *format, + ...) G_GNUC_PRINTF (2, 3); +gint g_sprintf (gchar *string, + gchar const *format, + ...) G_GNUC_PRINTF (2, 3); + +gint g_vprintf (gchar const *format, + va_list args); +gint g_vfprintf (FILE *file, + gchar const *format, + va_list args); +gint g_vsprintf (gchar *string, + gchar const *format, + va_list args); +gint g_vasprintf (gchar **string, + gchar const *format, + va_list args); + +G_END_DECLS + +#endif /* __G_PRINTF_H__ */ diff --git a/deps/glib/gprintfint.h b/deps/glib/gprintfint.h new file mode 100644 index 0000000..0c975a1 --- /dev/null +++ b/deps/glib/gprintfint.h @@ -0,0 +1,59 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 2002. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#ifndef __G_PRINTFINT_H__ +#define __G_PRINTFINT_H__ + +#ifdef HAVE_GOOD_PRINTF + +#define _g_printf printf +#define _g_fprintf fprintf +#define _g_sprintf sprintf +#define _g_snprintf snprintf + +#define _g_vprintf vprintf +#define _g_vfprintf vfprintf +#define _g_vsprintf vsprintf +#define _g_vsnprintf vsnprintf + +#else + +#include "gnulib/printf.h" + +#define _g_printf _g_gnulib_printf +#define _g_fprintf _g_gnulib_fprintf +#define _g_sprintf _g_gnulib_sprintf +#define _g_snprintf _g_gnulib_snprintf + +#define _g_vprintf _g_gnulib_vprintf +#define _g_vfprintf _g_gnulib_vfprintf +#define _g_vsprintf _g_gnulib_vsprintf +#define _g_vsnprintf _g_gnulib_vsnprintf + +#endif + +#endif /* __G_PRINTF_H__ */ + diff --git a/deps/glib/gqsort.c b/deps/glib/gqsort.c new file mode 100644 index 0000000..db4bed2 --- /dev/null +++ b/deps/glib/gqsort.c @@ -0,0 +1,300 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1991, 1992, 1996, 1997,1999,2004 Free Software Foundation, Inc. + * Copyright (C) 2000 Eazel, Inc. + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * This file was originally part of the GNU C Library, and was modified to allow + * user data to be passed in to the sorting function. + * + * Written by Douglas C. Schmidt (schmidt@ics.uci.edu). + * Modified by Maciej Stachowiak (mjs@eazel.com) + * + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with GLib + * at ftp://ftp.gtk.org/pub/gtk/. + */ + +#include "config.h" + +#include +#include +#include + +#include "gqsort.h" + +#include "gtestutils.h" + +#ifdef HAVE_QSORT_R + +/** + * g_qsort_with_data: + * @pbase: start of array to sort + * @total_elems: elements in the array + * @size: size of each element + * @compare_func: function to compare elements + * @user_data: data to pass to @compare_func + * + * This is just like the standard C qsort() function, but + * the comparison routine accepts a user data argument. + */ +void +g_qsort_with_data (gconstpointer pbase, + gint total_elems, + gsize size, + GCompareDataFunc compare_func, + gpointer user_data) +{ + qsort_r ((gpointer)pbase, total_elems, size, compare_func, user_data); +} + +#else + +/* Byte-wise swap two items of size SIZE. */ +#define SWAP(a, b, size) \ + do \ + { \ + register size_t __size = (size); \ + register char *__a = (a), *__b = (b); \ + do \ + { \ + char __tmp = *__a; \ + *__a++ = *__b; \ + *__b++ = __tmp; \ + } while (--__size > 0); \ + } while (0) + +/* Discontinue quicksort algorithm when partition gets below this size. + This particular magic number was chosen to work best on a Sun 4/260. */ +#define MAX_THRESH 4 + +/* Stack node declarations used to store unfulfilled partition obligations. */ +typedef struct + { + char *lo; + char *hi; + } stack_node; + +/* The next 4 #defines implement a very fast in-line stack abstraction. */ +/* The stack needs log (total_elements) entries (we could even subtract + log(MAX_THRESH)). Since total_elements has type size_t, we get as + upper bound for log (total_elements): + bits per byte (CHAR_BIT) * sizeof(size_t). */ +#define STACK_SIZE (CHAR_BIT * sizeof(size_t)) +#define PUSH(low, high) ((void) ((top->lo = (low)), (top->hi = (high)), ++top)) +#define POP(low, high) ((void) (--top, (low = top->lo), (high = top->hi))) +#define STACK_NOT_EMPTY (stack < top) + + +/* Order size using quicksort. This implementation incorporates + four optimizations discussed in Sedgewick: + + 1. Non-recursive, using an explicit stack of pointer that store the + next array partition to sort. To save time, this maximum amount + of space required to store an array of SIZE_MAX is allocated on the + stack. Assuming a 32-bit (64 bit) integer for size_t, this needs + only 32 * sizeof(stack_node) == 256 bytes (for 64 bit: 1024 bytes). + Pretty cheap, actually. + + 2. Chose the pivot element using a median-of-three decision tree. + This reduces the probability of selecting a bad pivot value and + eliminates certain extraneous comparisons. + + 3. Only quicksorts TOTAL_ELEMS / MAX_THRESH partitions, leaving + insertion sort to order the MAX_THRESH items within each partition. + This is a big win, since insertion sort is faster for small, mostly + sorted array segments. + + 4. The larger of the two sub-partitions is always pushed onto the + stack first, with the algorithm then concentrating on the + smaller partition. This *guarantees* no more than log (total_elems) + stack size is needed (actually O(1) in this case)! */ + +void +g_qsort_with_data (gconstpointer pbase, + gint total_elems, + gsize size, + GCompareDataFunc compare_func, + gpointer user_data) +{ + register char *base_ptr = (char *) pbase; + + const size_t max_thresh = MAX_THRESH * size; + + g_return_if_fail (total_elems >= 0); + g_return_if_fail (pbase != NULL || total_elems == 0); + g_return_if_fail (compare_func != NULL); + + if (total_elems == 0) + /* Avoid lossage with unsigned arithmetic below. */ + return; + + if (total_elems > MAX_THRESH) + { + char *lo = base_ptr; + char *hi = &lo[size * (total_elems - 1)]; + stack_node stack[STACK_SIZE]; + stack_node *top = stack; + + PUSH (NULL, NULL); + + while (STACK_NOT_EMPTY) + { + char *left_ptr; + char *right_ptr; + + /* Select median value from among LO, MID, and HI. Rearrange + LO and HI so the three values are sorted. This lowers the + probability of picking a pathological pivot value and + skips a comparison for both the LEFT_PTR and RIGHT_PTR in + the while loops. */ + + char *mid = lo + size * ((hi - lo) / size >> 1); + + if ((*compare_func) ((void *) mid, (void *) lo, user_data) < 0) + SWAP (mid, lo, size); + if ((*compare_func) ((void *) hi, (void *) mid, user_data) < 0) + SWAP (mid, hi, size); + else + goto jump_over; + if ((*compare_func) ((void *) mid, (void *) lo, user_data) < 0) + SWAP (mid, lo, size); + jump_over:; + + left_ptr = lo + size; + right_ptr = hi - size; + + /* Here's the famous ``collapse the walls'' section of quicksort. + Gotta like those tight inner loops! They are the main reason + that this algorithm runs much faster than others. */ + do + { + while ((*compare_func) ((void *) left_ptr, (void *) mid, user_data) < 0) + left_ptr += size; + + while ((*compare_func) ((void *) mid, (void *) right_ptr, user_data) < 0) + right_ptr -= size; + + if (left_ptr < right_ptr) + { + SWAP (left_ptr, right_ptr, size); + if (mid == left_ptr) + mid = right_ptr; + else if (mid == right_ptr) + mid = left_ptr; + left_ptr += size; + right_ptr -= size; + } + else if (left_ptr == right_ptr) + { + left_ptr += size; + right_ptr -= size; + break; + } + } + while (left_ptr <= right_ptr); + + /* Set up pointers for next iteration. First determine whether + left and right partitions are below the threshold size. If so, + ignore one or both. Otherwise, push the larger partition's + bounds on the stack and continue sorting the smaller one. */ + + if ((size_t) (right_ptr - lo) <= max_thresh) + { + if ((size_t) (hi - left_ptr) <= max_thresh) + /* Ignore both small partitions. */ + POP (lo, hi); + else + /* Ignore small left partition. */ + lo = left_ptr; + } + else if ((size_t) (hi - left_ptr) <= max_thresh) + /* Ignore small right partition. */ + hi = right_ptr; + else if ((right_ptr - lo) > (hi - left_ptr)) + { + /* Push larger left partition indices. */ + PUSH (lo, right_ptr); + lo = left_ptr; + } + else + { + /* Push larger right partition indices. */ + PUSH (left_ptr, hi); + hi = right_ptr; + } + } + } + + /* Once the BASE_PTR array is partially sorted by quicksort the rest + is completely sorted using insertion sort, since this is efficient + for partitions below MAX_THRESH size. BASE_PTR points to the beginning + of the array to sort, and END_PTR points at the very last element in + the array (*not* one beyond it!). */ + +#define min(x, y) ((x) < (y) ? (x) : (y)) + + { + char *const end_ptr = &base_ptr[size * (total_elems - 1)]; + char *tmp_ptr = base_ptr; + char *thresh = min(end_ptr, base_ptr + max_thresh); + register char *run_ptr; + + /* Find smallest element in first threshold and place it at the + array's beginning. This is the smallest array element, + and the operation speeds up insertion sort's inner loop. */ + + for (run_ptr = tmp_ptr + size; run_ptr <= thresh; run_ptr += size) + if ((*compare_func) ((void *) run_ptr, (void *) tmp_ptr, user_data) < 0) + tmp_ptr = run_ptr; + + if (tmp_ptr != base_ptr) + SWAP (tmp_ptr, base_ptr, size); + + /* Insertion sort, running from left-hand-side up to right-hand-side. */ + + run_ptr = base_ptr + size; + while ((run_ptr += size) <= end_ptr) + { + tmp_ptr = run_ptr - size; + while ((*compare_func) ((void *) run_ptr, (void *) tmp_ptr, user_data) < 0) + tmp_ptr -= size; + + tmp_ptr += size; + if (tmp_ptr != run_ptr) + { + char *trav; + + trav = run_ptr + size; + while (--trav >= run_ptr) + { + char c = *trav; + char *hi, *lo; + + for (hi = lo = trav; (lo -= size) >= tmp_ptr; hi = lo) + *hi = *lo; + *hi = c; + } + } + } + } +} + +#endif /* HAVE_QSORT_R */ diff --git a/deps/glib/gqsort.h b/deps/glib/gqsort.h new file mode 100644 index 0000000..3a47a58 --- /dev/null +++ b/deps/glib/gqsort.h @@ -0,0 +1,46 @@ + /* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_QSORT_H__ +#define __G_QSORT_H__ + +#include + +G_BEGIN_DECLS + +void g_qsort_with_data (gconstpointer pbase, + gint total_elems, + gsize size, + GCompareDataFunc compare_func, + gpointer user_data); + +G_END_DECLS + +#endif /* __G_QSORT_H__ */ diff --git a/deps/glib/gquark.h b/deps/glib/gquark.h new file mode 100644 index 0000000..324c956 --- /dev/null +++ b/deps/glib/gquark.h @@ -0,0 +1,52 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_QUARK_H__ +#define __G_QUARK_H__ + +#include + +G_BEGIN_DECLS + +typedef guint32 GQuark; + +/* Quarks (string<->id association) + */ +GQuark g_quark_try_string (const gchar *string); +GQuark g_quark_from_static_string (const gchar *string); +GQuark g_quark_from_string (const gchar *string); +const gchar * g_quark_to_string (GQuark quark) G_GNUC_CONST; + +const gchar * g_intern_string (const gchar *string); +const gchar * g_intern_static_string (const gchar *string); + +G_END_DECLS + +#endif /* __G_QUARK_H__ */ diff --git a/deps/glib/gqueue.c b/deps/glib/gqueue.c new file mode 100644 index 0000000..e6bf411 --- /dev/null +++ b/deps/glib/gqueue.c @@ -0,0 +1,1047 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * GQueue: Double ended queue implementation, piggy backed on GList. + * Copyright (C) 1998 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * MT safe + */ + +/** + * SECTION:queue + * @Title: Double-ended Queues + * @Short_description: double-ended queue data structure + * + * The #GQueue structure and its associated functions provide a standard + * queue data structure. Internally, GQueue uses the same data structure + * as #GList to store elements. + * + * The data contained in each element can be either integer values, by + * using one of the Type + * Conversion Macros, or simply pointers to any type of data. + * + * To create a new GQueue, use g_queue_new(). + * + * To initialize a statically-allocated GQueue, use #G_QUEUE_INIT or + * g_queue_init(). + * + * To add elements, use g_queue_push_head(), g_queue_push_head_link(), + * g_queue_push_tail() and g_queue_push_tail_link(). + * + * To remove elements, use g_queue_pop_head() and g_queue_pop_tail(). + * + * To free the entire queue, use g_queue_free(). + */ +#include "config.h" + +#include "gqueue.h" + +#include "gtestutils.h" + +/** + * g_queue_new: + * + * Creates a new #GQueue. + * + * Returns: a new #GQueue. + **/ +GQueue* +g_queue_new (void) +{ + return g_slice_new0 (GQueue); +} + +/** + * g_queue_free: + * @queue: a #GQueue. + * + * Frees the memory allocated for the #GQueue. Only call this function if + * @queue was created with g_queue_new(). If queue elements contain + * dynamically-allocated memory, they should be freed first. + **/ +void +g_queue_free (GQueue *queue) +{ + g_return_if_fail (queue != NULL); + + g_list_free (queue->head); + g_slice_free (GQueue, queue); +} + +/** + * g_queue_init: + * @queue: an uninitialized #GQueue + * + * A statically-allocated #GQueue must be initialized with this function + * before it can be used. Alternatively you can initialize it with + * #G_QUEUE_INIT. It is not necessary to initialize queues created with + * g_queue_new(). + * + * Since: 2.14 + **/ +void +g_queue_init (GQueue *queue) +{ + g_return_if_fail (queue != NULL); + + queue->head = queue->tail = NULL; + queue->length = 0; +} + +/** + * g_queue_clear: + * @queue: a #GQueue + * + * Removes all the elements in @queue. If queue elements contain + * dynamically-allocated memory, they should be freed first. + * + * Since: 2.14 + */ +void +g_queue_clear (GQueue *queue) +{ + g_return_if_fail (queue != NULL); + + g_list_free (queue->head); + g_queue_init (queue); +} + +/** + * g_queue_is_empty: + * @queue: a #GQueue. + * + * Returns %TRUE if the queue is empty. + * + * Returns: %TRUE if the queue is empty. + **/ +gboolean +g_queue_is_empty (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, TRUE); + + return queue->head == NULL; +} + +/** + * g_queue_get_length: + * @queue: a #GQueue + * + * Returns the number of items in @queue. + * + * Return value: The number of items in @queue. + * + * Since: 2.4 + **/ +guint +g_queue_get_length (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, 0); + + return queue->length; +} + +/** + * g_queue_reverse: + * @queue: a #GQueue + * + * Reverses the order of the items in @queue. + * + * Since: 2.4 + **/ +void +g_queue_reverse (GQueue *queue) +{ + g_return_if_fail (queue != NULL); + + queue->tail = queue->head; + queue->head = g_list_reverse (queue->head); +} + +/** + * g_queue_copy: + * @queue: a #GQueue + * + * Copies a @queue. Note that is a shallow copy. If the elements in the + * queue consist of pointers to data, the pointers are copied, but the + * actual data is not. + * + * Return value: A copy of @queue + * + * Since: 2.4 + **/ +GQueue * +g_queue_copy (GQueue *queue) +{ + GQueue *result; + GList *list; + + g_return_val_if_fail (queue != NULL, NULL); + + result = g_queue_new (); + + for (list = queue->head; list != NULL; list = list->next) + g_queue_push_tail (result, list->data); + + return result; +} + +/** + * g_queue_foreach: + * @queue: a #GQueue + * @func: the function to call for each element's data + * @user_data: user data to pass to @func + * + * Calls @func for each element in the queue passing @user_data to the + * function. + * + * Since: 2.4 + **/ +void +g_queue_foreach (GQueue *queue, + GFunc func, + gpointer user_data) +{ + GList *list; + + g_return_if_fail (queue != NULL); + g_return_if_fail (func != NULL); + + list = queue->head; + while (list) + { + GList *next = list->next; + func (list->data, user_data); + list = next; + } +} + +/** + * g_queue_find: + * @queue: a #GQueue + * @data: data to find + * + * Finds the first link in @queue which contains @data. + * + * Return value: The first link in @queue which contains @data. + * + * Since: 2.4 + **/ +GList * +g_queue_find (GQueue *queue, + gconstpointer data) +{ + g_return_val_if_fail (queue != NULL, NULL); + + return g_list_find (queue->head, data); +} + +/** + * g_queue_find_custom: + * @queue: a #GQueue + * @data: user data passed to @func + * @func: a #GCompareFunc to call for each element. It should return 0 + * when the desired element is found + * + * Finds an element in a #GQueue, using a supplied function to find the + * desired element. It iterates over the queue, calling the given function + * which should return 0 when the desired element is found. The function + * takes two gconstpointer arguments, the #GQueue element's data as the + * first argument and the given user data as the second argument. + * + * Return value: The found link, or %NULL if it wasn't found + * + * Since: 2.4 + **/ +GList * +g_queue_find_custom (GQueue *queue, + gconstpointer data, + GCompareFunc func) +{ + g_return_val_if_fail (queue != NULL, NULL); + g_return_val_if_fail (func != NULL, NULL); + + return g_list_find_custom (queue->head, data, func); +} + +/** + * g_queue_sort: + * @queue: a #GQueue + * @compare_func: the #GCompareDataFunc used to sort @queue. This function + * is passed two elements of the queue and should return 0 if they are + * equal, a negative value if the first comes before the second, and + * a positive value if the second comes before the first. + * @user_data: user data passed to @compare_func + * + * Sorts @queue using @compare_func. + * + * Since: 2.4 + **/ +void +g_queue_sort (GQueue *queue, + GCompareDataFunc compare_func, + gpointer user_data) +{ + g_return_if_fail (queue != NULL); + g_return_if_fail (compare_func != NULL); + + queue->head = g_list_sort_with_data (queue->head, compare_func, user_data); + queue->tail = g_list_last (queue->head); +} + +/** + * g_queue_push_head: + * @queue: a #GQueue. + * @data: the data for the new element. + * + * Adds a new element at the head of the queue. + **/ +void +g_queue_push_head (GQueue *queue, + gpointer data) +{ + g_return_if_fail (queue != NULL); + + queue->head = g_list_prepend (queue->head, data); + if (!queue->tail) + queue->tail = queue->head; + queue->length++; +} + +/** + * g_queue_push_nth: + * @queue: a #GQueue + * @data: the data for the new element + * @n: the position to insert the new element. If @n is negative or + * larger than the number of elements in the @queue, the element is + * added to the end of the queue. + * + * Inserts a new element into @queue at the given position + * + * Since: 2.4 + **/ +void +g_queue_push_nth (GQueue *queue, + gpointer data, + gint n) +{ + g_return_if_fail (queue != NULL); + + if (n < 0 || n >= queue->length) + { + g_queue_push_tail (queue, data); + return; + } + + g_queue_insert_before (queue, g_queue_peek_nth_link (queue, n), data); +} + +/** + * g_queue_push_head_link: + * @queue: a #GQueue. + * @link_: a single #GList element, not a list with + * more than one element. + * + * Adds a new element at the head of the queue. + **/ +void +g_queue_push_head_link (GQueue *queue, + GList *link) +{ + g_return_if_fail (queue != NULL); + g_return_if_fail (link != NULL); + g_return_if_fail (link->prev == NULL); + g_return_if_fail (link->next == NULL); + + link->next = queue->head; + if (queue->head) + queue->head->prev = link; + else + queue->tail = link; + queue->head = link; + queue->length++; +} + +/** + * g_queue_push_tail: + * @queue: a #GQueue. + * @data: the data for the new element. + * + * Adds a new element at the tail of the queue. + **/ +void +g_queue_push_tail (GQueue *queue, + gpointer data) +{ + g_return_if_fail (queue != NULL); + + queue->tail = g_list_append (queue->tail, data); + if (queue->tail->next) + queue->tail = queue->tail->next; + else + queue->head = queue->tail; + queue->length++; +} + +/** + * g_queue_push_tail_link: + * @queue: a #GQueue. + * @link_: a single #GList element, not a list with + * more than one element. + * + * Adds a new element at the tail of the queue. + **/ +void +g_queue_push_tail_link (GQueue *queue, + GList *link) +{ + g_return_if_fail (queue != NULL); + g_return_if_fail (link != NULL); + g_return_if_fail (link->prev == NULL); + g_return_if_fail (link->next == NULL); + + link->prev = queue->tail; + if (queue->tail) + queue->tail->next = link; + else + queue->head = link; + queue->tail = link; + queue->length++; +} + +/** + * g_queue_push_nth_link: + * @queue: a #GQueue + * @n: the position to insert the link. If this is negative or larger than + * the number of elements in @queue, the link is added to the end of + * @queue. + * @link_: the link to add to @queue + * + * Inserts @link into @queue at the given position. + * + * Since: 2.4 + **/ +void +g_queue_push_nth_link (GQueue *queue, + gint n, + GList *link_) +{ + GList *next; + GList *prev; + + g_return_if_fail (queue != NULL); + g_return_if_fail (link_ != NULL); + + if (n < 0 || n >= queue->length) + { + g_queue_push_tail_link (queue, link_); + return; + } + + g_assert (queue->head); + g_assert (queue->tail); + + next = g_queue_peek_nth_link (queue, n); + prev = next->prev; + + if (prev) + prev->next = link_; + next->prev = link_; + + link_->next = next; + link_->prev = prev; + + if (queue->head->prev) + queue->head = queue->head->prev; + + if (queue->tail->next) + queue->tail = queue->tail->next; + + queue->length++; +} + +/** + * g_queue_pop_head: + * @queue: a #GQueue. + * + * Removes the first element of the queue. + * + * Returns: the data of the first element in the queue, or %NULL if the queue + * is empty. + **/ +gpointer +g_queue_pop_head (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, NULL); + + if (queue->head) + { + GList *node = queue->head; + gpointer data = node->data; + + queue->head = node->next; + if (queue->head) + queue->head->prev = NULL; + else + queue->tail = NULL; + g_list_free_1 (node); + queue->length--; + + return data; + } + + return NULL; +} + +/** + * g_queue_pop_head_link: + * @queue: a #GQueue. + * + * Removes the first element of the queue. + * + * Returns: the #GList element at the head of the queue, or %NULL if the queue + * is empty. + **/ +GList* +g_queue_pop_head_link (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, NULL); + + if (queue->head) + { + GList *node = queue->head; + + queue->head = node->next; + if (queue->head) + { + queue->head->prev = NULL; + node->next = NULL; + } + else + queue->tail = NULL; + queue->length--; + + return node; + } + + return NULL; +} + +/** + * g_queue_peek_head_link: + * @queue: a #GQueue + * + * Returns the first link in @queue + * + * Return value: the first link in @queue, or %NULL if @queue is empty + * + * Since: 2.4 + **/ +GList* +g_queue_peek_head_link (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, NULL); + + return queue->head; +} + +/** + * g_queue_peek_tail_link: + * @queue: a #GQueue + * + * Returns the last link @queue. + * + * Return value: the last link in @queue, or %NULL if @queue is empty + * + * Since: 2.4 + **/ +GList* +g_queue_peek_tail_link (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, NULL); + + return queue->tail; +} + +/** + * g_queue_pop_tail: + * @queue: a #GQueue. + * + * Removes the last element of the queue. + * + * Returns: the data of the last element in the queue, or %NULL if the queue + * is empty. + **/ +gpointer +g_queue_pop_tail (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, NULL); + + if (queue->tail) + { + GList *node = queue->tail; + gpointer data = node->data; + + queue->tail = node->prev; + if (queue->tail) + queue->tail->next = NULL; + else + queue->head = NULL; + queue->length--; + g_list_free_1 (node); + + return data; + } + + return NULL; +} + +/** + * g_queue_pop_nth: + * @queue: a #GQueue + * @n: the position of the element. + * + * Removes the @n'th element of @queue. + * + * Return value: the element's data, or %NULL if @n is off the end of @queue. + * + * Since: 2.4 + **/ +gpointer +g_queue_pop_nth (GQueue *queue, + guint n) +{ + GList *nth_link; + gpointer result; + + g_return_val_if_fail (queue != NULL, NULL); + + if (n >= queue->length) + return NULL; + + nth_link = g_queue_peek_nth_link (queue, n); + result = nth_link->data; + + g_queue_delete_link (queue, nth_link); + + return result; +} + +/** + * g_queue_pop_tail_link: + * @queue: a #GQueue. + * + * Removes the last element of the queue. + * + * Returns: the #GList element at the tail of the queue, or %NULL if the queue + * is empty. + **/ +GList* +g_queue_pop_tail_link (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, NULL); + + if (queue->tail) + { + GList *node = queue->tail; + + queue->tail = node->prev; + if (queue->tail) + { + queue->tail->next = NULL; + node->prev = NULL; + } + else + queue->head = NULL; + queue->length--; + + return node; + } + + return NULL; +} + +/** + * g_queue_pop_nth_link: + * @queue: a #GQueue + * @n: the link's position + * + * Removes and returns the link at the given position. + * + * Return value: The @n'th link, or %NULL if @n is off the end of @queue. + * + * Since: 2.4 + **/ +GList* +g_queue_pop_nth_link (GQueue *queue, + guint n) +{ + GList *link; + + g_return_val_if_fail (queue != NULL, NULL); + + if (n >= queue->length) + return NULL; + + link = g_queue_peek_nth_link (queue, n); + g_queue_unlink (queue, link); + + return link; +} + +/** + * g_queue_peek_nth_link: + * @queue: a #GQueue + * @n: the position of the link + * + * Returns the link at the given position + * + * Return value: The link at the @n'th position, or %NULL if @n is off the + * end of the list + * + * Since: 2.4 + **/ +GList * +g_queue_peek_nth_link (GQueue *queue, + guint n) +{ + GList *link; + gint i; + + g_return_val_if_fail (queue != NULL, NULL); + + if (n >= queue->length) + return NULL; + + if (n > queue->length / 2) + { + n = queue->length - n - 1; + + link = queue->tail; + for (i = 0; i < n; ++i) + link = link->prev; + } + else + { + link = queue->head; + for (i = 0; i < n; ++i) + link = link->next; + } + + return link; +} + +/** + * g_queue_link_index: + * @queue: a #GQueue + * @link_: A #GList link + * + * Returns the position of @link_ in @queue. + * + * Return value: The position of @link_, or -1 if the link is + * not part of @queue + * + * Since: 2.4 + **/ +gint +g_queue_link_index (GQueue *queue, + GList *link_) +{ + g_return_val_if_fail (queue != NULL, -1); + + return g_list_position (queue->head, link_); +} + +/** + * g_queue_unlink + * @queue: a #GQueue + * @link_: a #GList link that must be part of @queue + * + * Unlinks @link_ so that it will no longer be part of @queue. The link is + * not freed. + * + * @link_ must be part of @queue, + * + * Since: 2.4 + **/ +void +g_queue_unlink (GQueue *queue, + GList *link_) +{ + g_return_if_fail (queue != NULL); + g_return_if_fail (link_ != NULL); + + if (link_ == queue->tail) + queue->tail = queue->tail->prev; + + queue->head = g_list_remove_link (queue->head, link_); + queue->length--; +} + +/** + * g_queue_delete_link: + * @queue: a #GQueue + * @link_: a #GList link that must be part of @queue + * + * Removes @link_ from @queue and frees it. + * + * @link_ must be part of @queue. + * + * Since: 2.4 + **/ +void +g_queue_delete_link (GQueue *queue, + GList *link_) +{ + g_return_if_fail (queue != NULL); + g_return_if_fail (link_ != NULL); + + g_queue_unlink (queue, link_); + g_list_free (link_); +} + +/** + * g_queue_peek_head: + * @queue: a #GQueue. + * + * Returns the first element of the queue. + * + * Returns: the data of the first element in the queue, or %NULL if the queue + * is empty. + **/ +gpointer +g_queue_peek_head (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, NULL); + + return queue->head ? queue->head->data : NULL; +} + +/** + * g_queue_peek_tail: + * @queue: a #GQueue. + * + * Returns the last element of the queue. + * + * Returns: the data of the last element in the queue, or %NULL if the queue + * is empty. + **/ +gpointer +g_queue_peek_tail (GQueue *queue) +{ + g_return_val_if_fail (queue != NULL, NULL); + + return queue->tail ? queue->tail->data : NULL; +} + +/** + * g_queue_peek_nth: + * @queue: a #GQueue + * @n: the position of the element. + * + * Returns the @n'th element of @queue. + * + * Return value: The data for the @n'th element of @queue, or %NULL if @n is + * off the end of @queue. + * + * Since: 2.4 + **/ +gpointer +g_queue_peek_nth (GQueue *queue, + guint n) +{ + GList *link; + + g_return_val_if_fail (queue != NULL, NULL); + + link = g_queue_peek_nth_link (queue, n); + + if (link) + return link->data; + + return NULL; +} + +/** + * g_queue_index: + * @queue: a #GQueue + * @data: the data to find. + * + * Returns the position of the first element in @queue which contains @data. + * + * Return value: The position of the first element in @queue which contains @data, or -1 if no element in @queue contains @data. + * + * Since: 2.4 + **/ +gint +g_queue_index (GQueue *queue, + gconstpointer data) +{ + g_return_val_if_fail (queue != NULL, -1); + + return g_list_index (queue->head, data); +} + +/** + * g_queue_remove: + * @queue: a #GQueue + * @data: data to remove. + * + * Removes the first element in @queue that contains @data. + * + * Return value: %TRUE if @data was found and removed from @queue + * + * Since: 2.4 + **/ +gboolean +g_queue_remove (GQueue *queue, + gconstpointer data) +{ + GList *link; + + g_return_val_if_fail (queue != NULL, FALSE); + + link = g_list_find (queue->head, data); + + if (link) + g_queue_delete_link (queue, link); + + return (link != NULL); +} + +/** + * g_queue_remove_all: + * @queue: a #GQueue + * @data: data to remove + * + * Remove all elements whose data equals @data from @queue. + * + * Return value: the number of elements removed from @queue + * + * Since: 2.4 + **/ +guint +g_queue_remove_all (GQueue *queue, + gconstpointer data) +{ + GList *list; + guint old_length; + + g_return_val_if_fail (queue != NULL, 0); + + old_length = queue->length; + + list = queue->head; + while (list) + { + GList *next = list->next; + + if (list->data == data) + g_queue_delete_link (queue, list); + + list = next; + } + + return (old_length - queue->length); +} + +/** + * g_queue_insert_before: + * @queue: a #GQueue + * @sibling: a #GList link that must be part of @queue + * @data: the data to insert + * + * Inserts @data into @queue before @sibling. + * + * @sibling must be part of @queue. + * + * Since: 2.4 + **/ +void +g_queue_insert_before (GQueue *queue, + GList *sibling, + gpointer data) +{ + g_return_if_fail (queue != NULL); + g_return_if_fail (sibling != NULL); + + queue->head = g_list_insert_before (queue->head, sibling, data); + queue->length++; +} + +/** + * g_queue_insert_after: + * @queue: a #GQueue + * @sibling: a #GList link that must be part of @queue + * @data: the data to insert + * + * Inserts @data into @queue after @sibling + * + * @sibling must be part of @queue + * + * Since: 2.4 + **/ +void +g_queue_insert_after (GQueue *queue, + GList *sibling, + gpointer data) +{ + g_return_if_fail (queue != NULL); + g_return_if_fail (sibling != NULL); + + if (sibling == queue->tail) + g_queue_push_tail (queue, data); + else + g_queue_insert_before (queue, sibling->next, data); +} + +/** + * g_queue_insert_sorted: + * @queue: a #GQueue + * @data: the data to insert + * @func: the #GCompareDataFunc used to compare elements in the queue. It is + * called with two elements of the @queue and @user_data. It should + * return 0 if the elements are equal, a negative value if the first + * element comes before the second, and a positive value if the second + * element comes before the first. + * @user_data: user data passed to @func. + * + * Inserts @data into @queue using @func to determine the new position. + * + * Since: 2.4 + **/ +void +g_queue_insert_sorted (GQueue *queue, + gpointer data, + GCompareDataFunc func, + gpointer user_data) +{ + GList *list; + + g_return_if_fail (queue != NULL); + + list = queue->head; + while (list && func (list->data, data, user_data) < 0) + list = list->next; + + if (list) + g_queue_insert_before (queue, list, data); + else + g_queue_push_tail (queue, data); +} diff --git a/deps/glib/gqueue.h b/deps/glib/gqueue.h new file mode 100644 index 0000000..591a09a --- /dev/null +++ b/deps/glib/gqueue.h @@ -0,0 +1,150 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_QUEUE_H__ +#define __G_QUEUE_H__ + +#include + +G_BEGIN_DECLS + +typedef struct _GQueue GQueue; + +/** + * GQueue: + * @head: a pointer to the first element of the queue + * @tail: a pointer to the last element of the queue + * @length: the number of elements in the queue + * + * Contains the public fields of a + * Queue. + */ +struct _GQueue +{ + GList *head; + GList *tail; + guint length; +}; + +/** + * G_QUEUE_INIT: + * + * A statically-allocated #GQueue must be initialized with this + * macro before it can be used. This macro can be used to initialize + * a variable, but it cannot be assigned to a variable. In that case + * you have to use g_queue_init(). + * + * |[ + * GQueue my_queue = G_QUEUE_INIT; + * ]| + * + * Since: 2.14 + */ +#define G_QUEUE_INIT { NULL, NULL, 0 } + +/* Queues + */ +GQueue* g_queue_new (void); +void g_queue_free (GQueue *queue); +void g_queue_init (GQueue *queue); +void g_queue_clear (GQueue *queue); +gboolean g_queue_is_empty (GQueue *queue); +guint g_queue_get_length (GQueue *queue); +void g_queue_reverse (GQueue *queue); +GQueue * g_queue_copy (GQueue *queue); +void g_queue_foreach (GQueue *queue, + GFunc func, + gpointer user_data); +GList * g_queue_find (GQueue *queue, + gconstpointer data); +GList * g_queue_find_custom (GQueue *queue, + gconstpointer data, + GCompareFunc func); +void g_queue_sort (GQueue *queue, + GCompareDataFunc compare_func, + gpointer user_data); + +void g_queue_push_head (GQueue *queue, + gpointer data); +void g_queue_push_tail (GQueue *queue, + gpointer data); +void g_queue_push_nth (GQueue *queue, + gpointer data, + gint n); +gpointer g_queue_pop_head (GQueue *queue); +gpointer g_queue_pop_tail (GQueue *queue); +gpointer g_queue_pop_nth (GQueue *queue, + guint n); +gpointer g_queue_peek_head (GQueue *queue); +gpointer g_queue_peek_tail (GQueue *queue); +gpointer g_queue_peek_nth (GQueue *queue, + guint n); +gint g_queue_index (GQueue *queue, + gconstpointer data); +gboolean g_queue_remove (GQueue *queue, + gconstpointer data); +guint g_queue_remove_all (GQueue *queue, + gconstpointer data); +void g_queue_insert_before (GQueue *queue, + GList *sibling, + gpointer data); +void g_queue_insert_after (GQueue *queue, + GList *sibling, + gpointer data); +void g_queue_insert_sorted (GQueue *queue, + gpointer data, + GCompareDataFunc func, + gpointer user_data); + +void g_queue_push_head_link (GQueue *queue, + GList *link_); +void g_queue_push_tail_link (GQueue *queue, + GList *link_); +void g_queue_push_nth_link (GQueue *queue, + gint n, + GList *link_); +GList* g_queue_pop_head_link (GQueue *queue); +GList* g_queue_pop_tail_link (GQueue *queue); +GList* g_queue_pop_nth_link (GQueue *queue, + guint n); +GList* g_queue_peek_head_link (GQueue *queue); +GList* g_queue_peek_tail_link (GQueue *queue); +GList* g_queue_peek_nth_link (GQueue *queue, + guint n); +gint g_queue_link_index (GQueue *queue, + GList *link_); +void g_queue_unlink (GQueue *queue, + GList *link_); +void g_queue_delete_link (GQueue *queue, + GList *link_); + +G_END_DECLS + +#endif /* __G_QUEUE_H__ */ diff --git a/deps/glib/gslice.c b/deps/glib/gslice.c new file mode 100644 index 0000000..2160772 --- /dev/null +++ b/deps/glib/gslice.c @@ -0,0 +1,1495 @@ +/* GLIB sliced memory - fast concurrent memory chunk allocator + * Copyright (C) 2005 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +/* MT safe */ + +#include "config.h" +#include "glibconfig.h" + +#if defined HAVE_POSIX_MEMALIGN && defined POSIX_MEMALIGN_WITH_COMPLIANT_ALLOCS +# define HAVE_COMPLIANT_POSIX_MEMALIGN 1 +#endif + +#if defined(HAVE_COMPLIANT_POSIX_MEMALIGN) && !defined(_XOPEN_SOURCE) +#define _XOPEN_SOURCE 600 /* posix_memalign() */ +#endif +#include /* posix_memalign() */ +#include +#include + +#ifdef HAVE_UNISTD_H +#include /* sysconf() */ +#endif +#ifdef G_OS_WIN32 +#include +#include +#endif + +#include /* fputs/fprintf */ + +#include "gslice.h" + +#include "gmain.h" +#include "gmem.h" /* gslice.h */ +#include "gstrfuncs.h" +#include "gutils.h" +#include "gtestutils.h" +#include "gthread.h" +#include "gthreadprivate.h" +#include "glib_trace.h" + +/* the GSlice allocator is split up into 4 layers, roughly modelled after the slab + * allocator and magazine extensions as outlined in: + * + [Bonwick94] Jeff Bonwick, The slab allocator: An object-caching kernel + * memory allocator. USENIX 1994, http://citeseer.ist.psu.edu/bonwick94slab.html + * + [Bonwick01] Bonwick and Jonathan Adams, Magazines and vmem: Extending the + * slab allocator to many cpu's and arbitrary resources. + * USENIX 2001, http://citeseer.ist.psu.edu/bonwick01magazines.html + * the layers are: + * - the thread magazines. for each (aligned) chunk size, a magazine (a list) + * of recently freed and soon to be allocated chunks is maintained per thread. + * this way, most alloc/free requests can be quickly satisfied from per-thread + * free lists which only require one g_private_get() call to retrive the + * thread handle. + * - the magazine cache. allocating and freeing chunks to/from threads only + * occours at magazine sizes from a global depot of magazines. the depot + * maintaines a 15 second working set of allocated magazines, so full + * magazines are not allocated and released too often. + * the chunk size dependent magazine sizes automatically adapt (within limits, + * see [3]) to lock contention to properly scale performance across a variety + * of SMP systems. + * - the slab allocator. this allocator allocates slabs (blocks of memory) close + * to the system page size or multiples thereof which have to be page aligned. + * the blocks are divided into smaller chunks which are used to satisfy + * allocations from the upper layers. the space provided by the reminder of + * the chunk size division is used for cache colorization (random distribution + * of chunk addresses) to improve processor cache utilization. multiple slabs + * with the same chunk size are kept in a partially sorted ring to allow O(1) + * freeing and allocation of chunks (as long as the allocation of an entirely + * new slab can be avoided). + * - the page allocator. on most modern systems, posix_memalign(3) or + * memalign(3) should be available, so this is used to allocate blocks with + * system page size based alignments and sizes or multiples thereof. + * if no memalign variant is provided, valloc() is used instead and + * block sizes are limited to the system page size (no multiples thereof). + * as a fallback, on system without even valloc(), a malloc(3)-based page + * allocator with alloc-only behaviour is used. + * + * NOTES: + * [1] some systems memalign(3) implementations may rely on boundary tagging for + * the handed out memory chunks. to avoid excessive page-wise fragmentation, + * we reserve 2 * sizeof (void*) per block size for the systems memalign(3), + * specified in NATIVE_MALLOC_PADDING. + * [2] using the slab allocator alone already provides for a fast and efficient + * allocator, it doesn't properly scale beyond single-threaded uses though. + * also, the slab allocator implements eager free(3)-ing, i.e. does not + * provide any form of caching or working set maintenance. so if used alone, + * it's vulnerable to trashing for sequences of balanced (alloc, free) pairs + * at certain thresholds. + * [3] magazine sizes are bound by an implementation specific minimum size and + * a chunk size specific maximum to limit magazine storage sizes to roughly + * 16KB. + * [4] allocating ca. 8 chunks per block/page keeps a good balance between + * external and internal fragmentation (<= 12.5%). [Bonwick94] + */ + +/* --- macros and constants --- */ +#define LARGEALIGNMENT (256) +#define P2ALIGNMENT (2 * sizeof (gsize)) /* fits 2 pointers (assumed to be 2 * GLIB_SIZEOF_SIZE_T below) */ +#define ALIGN(size, base) ((base) * (gsize) (((size) + (base) - 1) / (base))) +#define NATIVE_MALLOC_PADDING P2ALIGNMENT /* per-page padding left for native malloc(3) see [1] */ +#define SLAB_INFO_SIZE P2ALIGN (sizeof (SlabInfo) + NATIVE_MALLOC_PADDING) +#define MAX_MAGAZINE_SIZE (256) /* see [3] and allocator_get_magazine_threshold() for this */ +#define MIN_MAGAZINE_SIZE (4) +#define MAX_STAMP_COUNTER (7) /* distributes the load of gettimeofday() */ +#define MAX_SLAB_CHUNK_SIZE(al) (((al)->max_page_size - SLAB_INFO_SIZE) / 8) /* we want at last 8 chunks per page, see [4] */ +#define MAX_SLAB_INDEX(al) (SLAB_INDEX (al, MAX_SLAB_CHUNK_SIZE (al)) + 1) +#define SLAB_INDEX(al, asize) ((asize) / P2ALIGNMENT - 1) /* asize must be P2ALIGNMENT aligned */ +#define SLAB_CHUNK_SIZE(al, ix) (((ix) + 1) * P2ALIGNMENT) +#define SLAB_BPAGE_SIZE(al,csz) (8 * (csz) + SLAB_INFO_SIZE) + +/* optimized version of ALIGN (size, P2ALIGNMENT) */ +#if GLIB_SIZEOF_SIZE_T * 2 == 8 /* P2ALIGNMENT */ +#define P2ALIGN(size) (((size) + 0x7) & ~(gsize) 0x7) +#elif GLIB_SIZEOF_SIZE_T * 2 == 16 /* P2ALIGNMENT */ +#define P2ALIGN(size) (((size) + 0xf) & ~(gsize) 0xf) +#else +#define P2ALIGN(size) ALIGN (size, P2ALIGNMENT) +#endif + +/* special helpers to avoid gmessage.c dependency */ +static void mem_error (const char *format, ...) G_GNUC_PRINTF (1,2); +#define mem_assert(cond) do { if (G_LIKELY (cond)) ; else mem_error ("assertion failed: %s", #cond); } while (0) + +/* --- structures --- */ +typedef struct _ChunkLink ChunkLink; +typedef struct _SlabInfo SlabInfo; +typedef struct _CachedMagazine CachedMagazine; +struct _ChunkLink { + ChunkLink *next; + ChunkLink *data; +}; +struct _SlabInfo { + ChunkLink *chunks; + guint n_allocated; + SlabInfo *next, *prev; +}; +typedef struct { + ChunkLink *chunks; + gsize count; /* approximative chunks list length */ +} Magazine; +typedef struct { + Magazine *magazine1; /* array of MAX_SLAB_INDEX (allocator) */ + Magazine *magazine2; /* array of MAX_SLAB_INDEX (allocator) */ +} ThreadMemory; +typedef struct { + gboolean always_malloc; + gboolean bypass_magazines; + gboolean debug_blocks; + gsize working_set_msecs; + guint color_increment; +} SliceConfig; +typedef struct { + /* const after initialization */ + gsize min_page_size, max_page_size; + SliceConfig config; + gsize max_slab_chunk_size_for_magazine_cache; + /* magazine cache */ + GMutex *magazine_mutex; + ChunkLink **magazines; /* array of MAX_SLAB_INDEX (allocator) */ + guint *contention_counters; /* array of MAX_SLAB_INDEX (allocator) */ + gint mutex_counter; + guint stamp_counter; + guint last_stamp; + /* slab allocator */ + GMutex *slab_mutex; + SlabInfo **slab_stack; /* array of MAX_SLAB_INDEX (allocator) */ + guint color_accu; +} Allocator; + +/* --- g-slice prototypes --- */ +static gpointer slab_allocator_alloc_chunk (gsize chunk_size); +static void slab_allocator_free_chunk (gsize chunk_size, + gpointer mem); +static void private_thread_memory_cleanup (gpointer data); +static gpointer allocator_memalign (gsize alignment, + gsize memsize); +static void allocator_memfree (gsize memsize, + gpointer mem); +static inline void magazine_cache_update_stamp (void); +static inline gsize allocator_get_magazine_threshold (Allocator *allocator, + guint ix); + +/* --- g-slice memory checker --- */ +static void smc_notify_alloc (void *pointer, + size_t size); +static int smc_notify_free (void *pointer, + size_t size); + +/* --- variables --- */ +static GPrivate *private_thread_memory = NULL; +static gsize sys_page_size = 0; +static Allocator allocator[1] = { { 0, }, }; +static SliceConfig slice_config = { + FALSE, /* always_malloc */ + FALSE, /* bypass_magazines */ + FALSE, /* debug_blocks */ + 15 * 1000, /* working_set_msecs */ + 1, /* color increment, alt: 0x7fffffff */ +}; +static GMutex *smc_tree_mutex = NULL; /* mutex for G_SLICE=debug-blocks */ + +/* --- auxiliary funcitons --- */ +void +g_slice_set_config (GSliceConfig ckey, + gint64 value) +{ + g_return_if_fail (sys_page_size == 0); + switch (ckey) + { + case G_SLICE_CONFIG_ALWAYS_MALLOC: + slice_config.always_malloc = value != 0; + break; + case G_SLICE_CONFIG_BYPASS_MAGAZINES: + slice_config.bypass_magazines = value != 0; + break; + case G_SLICE_CONFIG_WORKING_SET_MSECS: + slice_config.working_set_msecs = value; + break; + case G_SLICE_CONFIG_COLOR_INCREMENT: + slice_config.color_increment = value; + default: ; + } +} + +gint64 +g_slice_get_config (GSliceConfig ckey) +{ + switch (ckey) + { + case G_SLICE_CONFIG_ALWAYS_MALLOC: + return slice_config.always_malloc; + case G_SLICE_CONFIG_BYPASS_MAGAZINES: + return slice_config.bypass_magazines; + case G_SLICE_CONFIG_WORKING_SET_MSECS: + return slice_config.working_set_msecs; + case G_SLICE_CONFIG_CHUNK_SIZES: + return MAX_SLAB_INDEX (allocator); + case G_SLICE_CONFIG_COLOR_INCREMENT: + return slice_config.color_increment; + default: + return 0; + } +} + +gint64* +g_slice_get_config_state (GSliceConfig ckey, + gint64 address, + guint *n_values) +{ + guint i = 0; + g_return_val_if_fail (n_values != NULL, NULL); + *n_values = 0; + switch (ckey) + { + gint64 array[64]; + case G_SLICE_CONFIG_CONTENTION_COUNTER: + array[i++] = SLAB_CHUNK_SIZE (allocator, address); + array[i++] = allocator->contention_counters[address]; + array[i++] = allocator_get_magazine_threshold (allocator, address); + *n_values = i; + return g_memdup (array, sizeof (array[0]) * *n_values); + default: + return NULL; + } +} + +static void +slice_config_init (SliceConfig *config) +{ + /* don't use g_malloc/g_message here */ + gchar buffer[1024]; + const gchar *val = _g_getenv_nomalloc ("G_SLICE", buffer); + const GDebugKey keys[] = { + { "always-malloc", 1 << 0 }, + { "debug-blocks", 1 << 1 }, + }; + gint flags = !val ? 0 : g_parse_debug_string (val, keys, G_N_ELEMENTS (keys)); + *config = slice_config; + if (flags & (1 << 0)) /* always-malloc */ + config->always_malloc = TRUE; + if (flags & (1 << 1)) /* debug-blocks */ + config->debug_blocks = TRUE; +} + +static void +g_slice_init_nomessage (void) +{ + /* we may not use g_error() or friends here */ + mem_assert (sys_page_size == 0); + mem_assert (MIN_MAGAZINE_SIZE >= 4); + +#ifdef G_OS_WIN32 + { + SYSTEM_INFO system_info; + GetSystemInfo (&system_info); + sys_page_size = system_info.dwPageSize; + } +#else + sys_page_size = sysconf (_SC_PAGESIZE); /* = sysconf (_SC_PAGE_SIZE); = getpagesize(); */ +#endif + mem_assert (sys_page_size >= 2 * LARGEALIGNMENT); + mem_assert ((sys_page_size & (sys_page_size - 1)) == 0); + slice_config_init (&allocator->config); + allocator->min_page_size = sys_page_size; +#if HAVE_COMPLIANT_POSIX_MEMALIGN || HAVE_MEMALIGN + /* allow allocation of pages up to 8KB (with 8KB alignment). + * this is useful because many medium to large sized structures + * fit less than 8 times (see [4]) into 4KB pages. + * we allow very small page sizes here, to reduce wastage in + * threads if only small allocations are required (this does + * bear the risk of incresing allocation times and fragmentation + * though). + */ + allocator->min_page_size = MAX (allocator->min_page_size, 4096); + allocator->max_page_size = MAX (allocator->min_page_size, 8192); + allocator->min_page_size = MIN (allocator->min_page_size, 128); +#else + /* we can only align to system page size */ + allocator->max_page_size = sys_page_size; +#endif + if (allocator->config.always_malloc) + { + allocator->contention_counters = NULL; + allocator->magazines = NULL; + allocator->slab_stack = NULL; + } + else + { + allocator->contention_counters = g_new0 (guint, MAX_SLAB_INDEX (allocator)); + allocator->magazines = g_new0 (ChunkLink*, MAX_SLAB_INDEX (allocator)); + allocator->slab_stack = g_new0 (SlabInfo*, MAX_SLAB_INDEX (allocator)); + } + + allocator->magazine_mutex = NULL; /* _g_slice_thread_init_nomessage() */ + allocator->mutex_counter = 0; + allocator->stamp_counter = MAX_STAMP_COUNTER; /* force initial update */ + allocator->last_stamp = 0; + allocator->slab_mutex = NULL; /* _g_slice_thread_init_nomessage() */ + allocator->color_accu = 0; + magazine_cache_update_stamp(); + /* values cached for performance reasons */ + allocator->max_slab_chunk_size_for_magazine_cache = MAX_SLAB_CHUNK_SIZE (allocator); + if (allocator->config.always_malloc || allocator->config.bypass_magazines) + allocator->max_slab_chunk_size_for_magazine_cache = 0; /* non-optimized cases */ + /* at this point, g_mem_gc_friendly() should be initialized, this + * should have been accomplished by the above g_malloc/g_new calls + */ +} + +static inline guint +allocator_categorize (gsize aligned_chunk_size) +{ + /* speed up the likely path */ + if (G_LIKELY (aligned_chunk_size && aligned_chunk_size <= allocator->max_slab_chunk_size_for_magazine_cache)) + return 1; /* use magazine cache */ + + /* the above will fail (max_slab_chunk_size_for_magazine_cache == 0) if the + * allocator is still uninitialized, or if we are not configured to use the + * magazine cache. + */ + if (!sys_page_size) + g_slice_init_nomessage (); + if (!allocator->config.always_malloc && + aligned_chunk_size && + aligned_chunk_size <= MAX_SLAB_CHUNK_SIZE (allocator)) + { + if (allocator->config.bypass_magazines) + return 2; /* use slab allocator, see [2] */ + return 1; /* use magazine cache */ + } + return 0; /* use malloc() */ +} + +void +_g_slice_thread_init_nomessage (void) +{ + /* we may not use g_error() or friends here */ + if (!sys_page_size) + g_slice_init_nomessage(); + else + { + /* g_slice_init_nomessage() has been called already, probably due + * to a g_slice_alloc1() before g_thread_init(). + */ + } + private_thread_memory = g_private_new (private_thread_memory_cleanup); + allocator->magazine_mutex = g_mutex_new(); + allocator->slab_mutex = g_mutex_new(); + if (allocator->config.debug_blocks) + smc_tree_mutex = g_mutex_new(); +} + +static inline void +g_mutex_lock_a (GMutex *mutex, + guint *contention_counter) +{ + gboolean contention = FALSE; + if (!g_mutex_trylock (mutex)) + { + g_mutex_lock (mutex); + contention = TRUE; + } + if (contention) + { + allocator->mutex_counter++; + if (allocator->mutex_counter >= 1) /* quickly adapt to contention */ + { + allocator->mutex_counter = 0; + *contention_counter = MIN (*contention_counter + 1, MAX_MAGAZINE_SIZE); + } + } + else /* !contention */ + { + allocator->mutex_counter--; + if (allocator->mutex_counter < -11) /* moderately recover magazine sizes */ + { + allocator->mutex_counter = 0; + *contention_counter = MAX (*contention_counter, 1) - 1; + } + } +} + +static inline ThreadMemory* +thread_memory_from_self (void) +{ + ThreadMemory *tmem = g_private_get (private_thread_memory); + if (G_UNLIKELY (!tmem)) + { + static ThreadMemory *single_thread_memory = NULL; /* remember single-thread info for multi-threaded case */ + if (single_thread_memory && g_thread_supported ()) + { + g_mutex_lock (allocator->slab_mutex); + if (single_thread_memory) + { + /* GSlice has been used before g_thread_init(), and now + * we are running threaded. to cope with it, use the saved + * thread memory structure from when we weren't threaded. + */ + tmem = single_thread_memory; + single_thread_memory = NULL; /* slab_mutex protected when multi-threaded */ + } + g_mutex_unlock (allocator->slab_mutex); + } + if (!tmem) + { + const guint n_magazines = MAX_SLAB_INDEX (allocator); + tmem = g_malloc0 (sizeof (ThreadMemory) + sizeof (Magazine) * 2 * n_magazines); + tmem->magazine1 = (Magazine*) (tmem + 1); + tmem->magazine2 = &tmem->magazine1[n_magazines]; + } + /* g_private_get/g_private_set works in the single-threaded xor the multi- + * threaded case. but not *across* g_thread_init(), after multi-thread + * initialization it returns NULL for previously set single-thread data. + */ + g_private_set (private_thread_memory, tmem); + /* save single-thread thread memory structure, in case we need to + * pick it up again after multi-thread initialization happened. + */ + if (!single_thread_memory && !g_thread_supported ()) + single_thread_memory = tmem; /* no slab_mutex created yet */ + } + return tmem; +} + +static inline ChunkLink* +magazine_chain_pop_head (ChunkLink **magazine_chunks) +{ + /* magazine chains are linked via ChunkLink->next. + * each ChunkLink->data of the toplevel chain may point to a subchain, + * linked via ChunkLink->next. ChunkLink->data of the subchains just + * contains uninitialized junk. + */ + ChunkLink *chunk = (*magazine_chunks)->data; + if (G_UNLIKELY (chunk)) + { + /* allocating from freed list */ + (*magazine_chunks)->data = chunk->next; + } + else + { + chunk = *magazine_chunks; + *magazine_chunks = chunk->next; + } + return chunk; +} + +#if 0 /* useful for debugging */ +static guint +magazine_count (ChunkLink *head) +{ + guint count = 0; + if (!head) + return 0; + while (head) + { + ChunkLink *child = head->data; + count += 1; + for (child = head->data; child; child = child->next) + count += 1; + head = head->next; + } + return count; +} +#endif + +static inline gsize +allocator_get_magazine_threshold (Allocator *allocator, + guint ix) +{ + /* the magazine size calculated here has a lower bound of MIN_MAGAZINE_SIZE, + * which is required by the implementation. also, for moderately sized chunks + * (say >= 64 bytes), magazine sizes shouldn't be much smaller then the number + * of chunks available per page/2 to avoid excessive traffic in the magazine + * cache for small to medium sized structures. + * the upper bound of the magazine size is effectively provided by + * MAX_MAGAZINE_SIZE. for larger chunks, this number is scaled down so that + * the content of a single magazine doesn't exceed ca. 16KB. + */ + gsize chunk_size = SLAB_CHUNK_SIZE (allocator, ix); + guint threshold = MAX (MIN_MAGAZINE_SIZE, allocator->max_page_size / MAX (5 * chunk_size, 5 * 32)); + guint contention_counter = allocator->contention_counters[ix]; + if (G_UNLIKELY (contention_counter)) /* single CPU bias */ + { + /* adapt contention counter thresholds to chunk sizes */ + contention_counter = contention_counter * 64 / chunk_size; + threshold = MAX (threshold, contention_counter); + } + return threshold; +} + +/* --- magazine cache --- */ +static inline void +magazine_cache_update_stamp (void) +{ + if (allocator->stamp_counter >= MAX_STAMP_COUNTER) + { + GTimeVal tv; + g_get_current_time (&tv); + allocator->last_stamp = tv.tv_sec * 1000 + tv.tv_usec / 1000; /* milli seconds */ + allocator->stamp_counter = 0; + } + else + allocator->stamp_counter++; +} + +static inline ChunkLink* +magazine_chain_prepare_fields (ChunkLink *magazine_chunks) +{ + ChunkLink *chunk1; + ChunkLink *chunk2; + ChunkLink *chunk3; + ChunkLink *chunk4; + /* checked upon initialization: mem_assert (MIN_MAGAZINE_SIZE >= 4); */ + /* ensure a magazine with at least 4 unused data pointers */ + chunk1 = magazine_chain_pop_head (&magazine_chunks); + chunk2 = magazine_chain_pop_head (&magazine_chunks); + chunk3 = magazine_chain_pop_head (&magazine_chunks); + chunk4 = magazine_chain_pop_head (&magazine_chunks); + chunk4->next = magazine_chunks; + chunk3->next = chunk4; + chunk2->next = chunk3; + chunk1->next = chunk2; + return chunk1; +} + +/* access the first 3 fields of a specially prepared magazine chain */ +#define magazine_chain_prev(mc) ((mc)->data) +#define magazine_chain_stamp(mc) ((mc)->next->data) +#define magazine_chain_uint_stamp(mc) GPOINTER_TO_UINT ((mc)->next->data) +#define magazine_chain_next(mc) ((mc)->next->next->data) +#define magazine_chain_count(mc) ((mc)->next->next->next->data) + +static void +magazine_cache_trim (Allocator *allocator, + guint ix, + guint stamp) +{ + /* g_mutex_lock (allocator->mutex); done by caller */ + /* trim magazine cache from tail */ + ChunkLink *current = magazine_chain_prev (allocator->magazines[ix]); + ChunkLink *trash = NULL; + while (ABS (stamp - magazine_chain_uint_stamp (current)) >= allocator->config.working_set_msecs) + { + /* unlink */ + ChunkLink *prev = magazine_chain_prev (current); + ChunkLink *next = magazine_chain_next (current); + magazine_chain_next (prev) = next; + magazine_chain_prev (next) = prev; + /* clear special fields, put on trash stack */ + magazine_chain_next (current) = NULL; + magazine_chain_count (current) = NULL; + magazine_chain_stamp (current) = NULL; + magazine_chain_prev (current) = trash; + trash = current; + /* fixup list head if required */ + if (current == allocator->magazines[ix]) + { + allocator->magazines[ix] = NULL; + break; + } + current = prev; + } + g_mutex_unlock (allocator->magazine_mutex); + /* free trash */ + if (trash) + { + const gsize chunk_size = SLAB_CHUNK_SIZE (allocator, ix); + g_mutex_lock (allocator->slab_mutex); + while (trash) + { + current = trash; + trash = magazine_chain_prev (current); + magazine_chain_prev (current) = NULL; /* clear special field */ + while (current) + { + ChunkLink *chunk = magazine_chain_pop_head (¤t); + slab_allocator_free_chunk (chunk_size, chunk); + } + } + g_mutex_unlock (allocator->slab_mutex); + } +} + +static void +magazine_cache_push_magazine (guint ix, + ChunkLink *magazine_chunks, + gsize count) /* must be >= MIN_MAGAZINE_SIZE */ +{ + ChunkLink *current = magazine_chain_prepare_fields (magazine_chunks); + ChunkLink *next, *prev; + g_mutex_lock (allocator->magazine_mutex); + /* add magazine at head */ + next = allocator->magazines[ix]; + if (next) + prev = magazine_chain_prev (next); + else + next = prev = current; + magazine_chain_next (prev) = current; + magazine_chain_prev (next) = current; + magazine_chain_prev (current) = prev; + magazine_chain_next (current) = next; + magazine_chain_count (current) = (gpointer) count; + /* stamp magazine */ + magazine_cache_update_stamp(); + magazine_chain_stamp (current) = GUINT_TO_POINTER (allocator->last_stamp); + allocator->magazines[ix] = current; + /* free old magazines beyond a certain threshold */ + magazine_cache_trim (allocator, ix, allocator->last_stamp); + /* g_mutex_unlock (allocator->mutex); was done by magazine_cache_trim() */ +} + +static ChunkLink* +magazine_cache_pop_magazine (guint ix, + gsize *countp) +{ + g_mutex_lock_a (allocator->magazine_mutex, &allocator->contention_counters[ix]); + if (!allocator->magazines[ix]) + { + guint magazine_threshold = allocator_get_magazine_threshold (allocator, ix); + gsize i, chunk_size = SLAB_CHUNK_SIZE (allocator, ix); + ChunkLink *chunk, *head; + g_mutex_unlock (allocator->magazine_mutex); + g_mutex_lock (allocator->slab_mutex); + head = slab_allocator_alloc_chunk (chunk_size); + head->data = NULL; + chunk = head; + for (i = 1; i < magazine_threshold; i++) + { + chunk->next = slab_allocator_alloc_chunk (chunk_size); + chunk = chunk->next; + chunk->data = NULL; + } + chunk->next = NULL; + g_mutex_unlock (allocator->slab_mutex); + *countp = i; + return head; + } + else + { + ChunkLink *current = allocator->magazines[ix]; + ChunkLink *prev = magazine_chain_prev (current); + ChunkLink *next = magazine_chain_next (current); + /* unlink */ + magazine_chain_next (prev) = next; + magazine_chain_prev (next) = prev; + allocator->magazines[ix] = next == current ? NULL : next; + g_mutex_unlock (allocator->magazine_mutex); + /* clear special fields and hand out */ + *countp = (gsize) magazine_chain_count (current); + magazine_chain_prev (current) = NULL; + magazine_chain_next (current) = NULL; + magazine_chain_count (current) = NULL; + magazine_chain_stamp (current) = NULL; + return current; + } +} + +/* --- thread magazines --- */ +static void +private_thread_memory_cleanup (gpointer data) +{ + ThreadMemory *tmem = data; + const guint n_magazines = MAX_SLAB_INDEX (allocator); + guint ix; + for (ix = 0; ix < n_magazines; ix++) + { + Magazine *mags[2]; + guint j; + mags[0] = &tmem->magazine1[ix]; + mags[1] = &tmem->magazine2[ix]; + for (j = 0; j < 2; j++) + { + Magazine *mag = mags[j]; + if (mag->count >= MIN_MAGAZINE_SIZE) + magazine_cache_push_magazine (ix, mag->chunks, mag->count); + else + { + const gsize chunk_size = SLAB_CHUNK_SIZE (allocator, ix); + g_mutex_lock (allocator->slab_mutex); + while (mag->chunks) + { + ChunkLink *chunk = magazine_chain_pop_head (&mag->chunks); + slab_allocator_free_chunk (chunk_size, chunk); + } + g_mutex_unlock (allocator->slab_mutex); + } + } + } + g_free (tmem); +} + +static void +thread_memory_magazine1_reload (ThreadMemory *tmem, + guint ix) +{ + Magazine *mag = &tmem->magazine1[ix]; + mem_assert (mag->chunks == NULL); /* ensure that we may reset mag->count */ + mag->count = 0; + mag->chunks = magazine_cache_pop_magazine (ix, &mag->count); +} + +static void +thread_memory_magazine2_unload (ThreadMemory *tmem, + guint ix) +{ + Magazine *mag = &tmem->magazine2[ix]; + magazine_cache_push_magazine (ix, mag->chunks, mag->count); + mag->chunks = NULL; + mag->count = 0; +} + +static inline void +thread_memory_swap_magazines (ThreadMemory *tmem, + guint ix) +{ + Magazine xmag = tmem->magazine1[ix]; + tmem->magazine1[ix] = tmem->magazine2[ix]; + tmem->magazine2[ix] = xmag; +} + +static inline gboolean +thread_memory_magazine1_is_empty (ThreadMemory *tmem, + guint ix) +{ + return tmem->magazine1[ix].chunks == NULL; +} + +static inline gboolean +thread_memory_magazine2_is_full (ThreadMemory *tmem, + guint ix) +{ + return tmem->magazine2[ix].count >= allocator_get_magazine_threshold (allocator, ix); +} + +static inline gpointer +thread_memory_magazine1_alloc (ThreadMemory *tmem, + guint ix) +{ + Magazine *mag = &tmem->magazine1[ix]; + ChunkLink *chunk = magazine_chain_pop_head (&mag->chunks); + if (G_LIKELY (mag->count > 0)) + mag->count--; + return chunk; +} + +static inline void +thread_memory_magazine2_free (ThreadMemory *tmem, + guint ix, + gpointer mem) +{ + Magazine *mag = &tmem->magazine2[ix]; + ChunkLink *chunk = mem; + chunk->data = NULL; + chunk->next = mag->chunks; + mag->chunks = chunk; + mag->count++; +} + +/* --- API functions --- */ +gpointer +g_slice_alloc (gsize mem_size) +{ + gsize chunk_size; + gpointer mem; + guint acat; + chunk_size = P2ALIGN (mem_size); + acat = allocator_categorize (chunk_size); + if (G_LIKELY (acat == 1)) /* allocate through magazine layer */ + { + ThreadMemory *tmem = thread_memory_from_self(); + guint ix = SLAB_INDEX (allocator, chunk_size); + if (G_UNLIKELY (thread_memory_magazine1_is_empty (tmem, ix))) + { + thread_memory_swap_magazines (tmem, ix); + if (G_UNLIKELY (thread_memory_magazine1_is_empty (tmem, ix))) + thread_memory_magazine1_reload (tmem, ix); + } + mem = thread_memory_magazine1_alloc (tmem, ix); + } + else if (acat == 2) /* allocate through slab allocator */ + { + g_mutex_lock (allocator->slab_mutex); + mem = slab_allocator_alloc_chunk (chunk_size); + g_mutex_unlock (allocator->slab_mutex); + } + else /* delegate to system malloc */ + mem = g_malloc (mem_size); + if (G_UNLIKELY (allocator->config.debug_blocks)) + smc_notify_alloc (mem, mem_size); + + TRACE (GLIB_SLICE_ALLOC((void*)mem, mem_size)); + + return mem; +} + +gpointer +g_slice_alloc0 (gsize mem_size) +{ + gpointer mem = g_slice_alloc (mem_size); + if (mem) + memset (mem, 0, mem_size); + return mem; +} + +gpointer +g_slice_copy (gsize mem_size, + gconstpointer mem_block) +{ + gpointer mem = g_slice_alloc (mem_size); + if (mem) + memcpy (mem, mem_block, mem_size); + return mem; +} + +void +g_slice_free1 (gsize mem_size, + gpointer mem_block) +{ + gsize chunk_size = P2ALIGN (mem_size); + guint acat = allocator_categorize (chunk_size); + if (G_UNLIKELY (!mem_block)) + return; + if (G_UNLIKELY (allocator->config.debug_blocks) && + !smc_notify_free (mem_block, mem_size)) + abort(); + if (G_LIKELY (acat == 1)) /* allocate through magazine layer */ + { + ThreadMemory *tmem = thread_memory_from_self(); + guint ix = SLAB_INDEX (allocator, chunk_size); + if (G_UNLIKELY (thread_memory_magazine2_is_full (tmem, ix))) + { + thread_memory_swap_magazines (tmem, ix); + if (G_UNLIKELY (thread_memory_magazine2_is_full (tmem, ix))) + thread_memory_magazine2_unload (tmem, ix); + } + if (G_UNLIKELY (g_mem_gc_friendly)) + memset (mem_block, 0, chunk_size); + thread_memory_magazine2_free (tmem, ix, mem_block); + } + else if (acat == 2) /* allocate through slab allocator */ + { + if (G_UNLIKELY (g_mem_gc_friendly)) + memset (mem_block, 0, chunk_size); + g_mutex_lock (allocator->slab_mutex); + slab_allocator_free_chunk (chunk_size, mem_block); + g_mutex_unlock (allocator->slab_mutex); + } + else /* delegate to system malloc */ + { + if (G_UNLIKELY (g_mem_gc_friendly)) + memset (mem_block, 0, mem_size); + g_free (mem_block); + } + TRACE (GLIB_SLICE_FREE((void*)mem_block, mem_size)); +} + +void +g_slice_free_chain_with_offset (gsize mem_size, + gpointer mem_chain, + gsize next_offset) +{ + gpointer slice = mem_chain; + /* while the thread magazines and the magazine cache are implemented so that + * they can easily be extended to allow for free lists containing more free + * lists for the first level nodes, which would allow O(1) freeing in this + * function, the benefit of such an extension is questionable, because: + * - the magazine size counts will become mere lower bounds which confuses + * the code adapting to lock contention; + * - freeing a single node to the thread magazines is very fast, so this + * O(list_length) operation is multiplied by a fairly small factor; + * - memory usage histograms on larger applications seem to indicate that + * the amount of released multi node lists is negligible in comparison + * to single node releases. + * - the major performance bottle neck, namely g_private_get() or + * g_mutex_lock()/g_mutex_unlock() has already been moved out of the + * inner loop for freeing chained slices. + */ + gsize chunk_size = P2ALIGN (mem_size); + guint acat = allocator_categorize (chunk_size); + if (G_LIKELY (acat == 1)) /* allocate through magazine layer */ + { + ThreadMemory *tmem = thread_memory_from_self(); + guint ix = SLAB_INDEX (allocator, chunk_size); + while (slice) + { + guint8 *current = slice; + slice = *(gpointer*) (current + next_offset); + if (G_UNLIKELY (allocator->config.debug_blocks) && + !smc_notify_free (current, mem_size)) + abort(); + if (G_UNLIKELY (thread_memory_magazine2_is_full (tmem, ix))) + { + thread_memory_swap_magazines (tmem, ix); + if (G_UNLIKELY (thread_memory_magazine2_is_full (tmem, ix))) + thread_memory_magazine2_unload (tmem, ix); + } + if (G_UNLIKELY (g_mem_gc_friendly)) + memset (current, 0, chunk_size); + thread_memory_magazine2_free (tmem, ix, current); + } + } + else if (acat == 2) /* allocate through slab allocator */ + { + g_mutex_lock (allocator->slab_mutex); + while (slice) + { + guint8 *current = slice; + slice = *(gpointer*) (current + next_offset); + if (G_UNLIKELY (allocator->config.debug_blocks) && + !smc_notify_free (current, mem_size)) + abort(); + if (G_UNLIKELY (g_mem_gc_friendly)) + memset (current, 0, chunk_size); + slab_allocator_free_chunk (chunk_size, current); + } + g_mutex_unlock (allocator->slab_mutex); + } + else /* delegate to system malloc */ + while (slice) + { + guint8 *current = slice; + slice = *(gpointer*) (current + next_offset); + if (G_UNLIKELY (allocator->config.debug_blocks) && + !smc_notify_free (current, mem_size)) + abort(); + if (G_UNLIKELY (g_mem_gc_friendly)) + memset (current, 0, mem_size); + g_free (current); + } +} + +/* --- single page allocator --- */ +static void +allocator_slab_stack_push (Allocator *allocator, + guint ix, + SlabInfo *sinfo) +{ + /* insert slab at slab ring head */ + if (!allocator->slab_stack[ix]) + { + sinfo->next = sinfo; + sinfo->prev = sinfo; + } + else + { + SlabInfo *next = allocator->slab_stack[ix], *prev = next->prev; + next->prev = sinfo; + prev->next = sinfo; + sinfo->next = next; + sinfo->prev = prev; + } + allocator->slab_stack[ix] = sinfo; +} + +static gsize +allocator_aligned_page_size (Allocator *allocator, + gsize n_bytes) +{ + gsize val = 1 << g_bit_storage (n_bytes - 1); + val = MAX (val, allocator->min_page_size); + return val; +} + +static void +allocator_add_slab (Allocator *allocator, + guint ix, + gsize chunk_size) +{ + ChunkLink *chunk; + SlabInfo *sinfo; + gsize addr, padding, n_chunks, color = 0; + gsize page_size = allocator_aligned_page_size (allocator, SLAB_BPAGE_SIZE (allocator, chunk_size)); + /* allocate 1 page for the chunks and the slab */ + gpointer aligned_memory = allocator_memalign (page_size, page_size - NATIVE_MALLOC_PADDING); + guint8 *mem = aligned_memory; + guint i; + if (!mem) + { + const gchar *syserr = "unknown error"; +#if HAVE_STRERROR + syserr = strerror (errno); +#endif + mem_error ("failed to allocate %u bytes (alignment: %u): %s\n", + (guint) (page_size - NATIVE_MALLOC_PADDING), (guint) page_size, syserr); + } + /* mask page address */ + addr = ((gsize) mem / page_size) * page_size; + /* assert alignment */ + mem_assert (aligned_memory == (gpointer) addr); + /* basic slab info setup */ + sinfo = (SlabInfo*) (mem + page_size - SLAB_INFO_SIZE); + sinfo->n_allocated = 0; + sinfo->chunks = NULL; + /* figure cache colorization */ + n_chunks = ((guint8*) sinfo - mem) / chunk_size; + padding = ((guint8*) sinfo - mem) - n_chunks * chunk_size; + if (padding) + { + color = (allocator->color_accu * P2ALIGNMENT) % padding; + allocator->color_accu += allocator->config.color_increment; + } + /* add chunks to free list */ + chunk = (ChunkLink*) (mem + color); + sinfo->chunks = chunk; + for (i = 0; i < n_chunks - 1; i++) + { + chunk->next = (ChunkLink*) ((guint8*) chunk + chunk_size); + chunk = chunk->next; + } + chunk->next = NULL; /* last chunk */ + /* add slab to slab ring */ + allocator_slab_stack_push (allocator, ix, sinfo); +} + +static gpointer +slab_allocator_alloc_chunk (gsize chunk_size) +{ + ChunkLink *chunk; + guint ix = SLAB_INDEX (allocator, chunk_size); + /* ensure non-empty slab */ + if (!allocator->slab_stack[ix] || !allocator->slab_stack[ix]->chunks) + allocator_add_slab (allocator, ix, chunk_size); + /* allocate chunk */ + chunk = allocator->slab_stack[ix]->chunks; + allocator->slab_stack[ix]->chunks = chunk->next; + allocator->slab_stack[ix]->n_allocated++; + /* rotate empty slabs */ + if (!allocator->slab_stack[ix]->chunks) + allocator->slab_stack[ix] = allocator->slab_stack[ix]->next; + return chunk; +} + +static void +slab_allocator_free_chunk (gsize chunk_size, + gpointer mem) +{ + ChunkLink *chunk; + gboolean was_empty; + guint ix = SLAB_INDEX (allocator, chunk_size); + gsize page_size = allocator_aligned_page_size (allocator, SLAB_BPAGE_SIZE (allocator, chunk_size)); + gsize addr = ((gsize) mem / page_size) * page_size; + /* mask page address */ + guint8 *page = (guint8*) addr; + SlabInfo *sinfo = (SlabInfo*) (page + page_size - SLAB_INFO_SIZE); + /* assert valid chunk count */ + mem_assert (sinfo->n_allocated > 0); + /* add chunk to free list */ + was_empty = sinfo->chunks == NULL; + chunk = (ChunkLink*) mem; + chunk->next = sinfo->chunks; + sinfo->chunks = chunk; + sinfo->n_allocated--; + /* keep slab ring partially sorted, empty slabs at end */ + if (was_empty) + { + /* unlink slab */ + SlabInfo *next = sinfo->next, *prev = sinfo->prev; + next->prev = prev; + prev->next = next; + if (allocator->slab_stack[ix] == sinfo) + allocator->slab_stack[ix] = next == sinfo ? NULL : next; + /* insert slab at head */ + allocator_slab_stack_push (allocator, ix, sinfo); + } + /* eagerly free complete unused slabs */ + if (!sinfo->n_allocated) + { + /* unlink slab */ + SlabInfo *next = sinfo->next, *prev = sinfo->prev; + next->prev = prev; + prev->next = next; + if (allocator->slab_stack[ix] == sinfo) + allocator->slab_stack[ix] = next == sinfo ? NULL : next; + /* free slab */ + allocator_memfree (page_size, page); + } +} + +/* --- memalign implementation --- */ +#ifdef HAVE_MALLOC_H +#include /* memalign() */ +#endif + +/* from config.h: + * define HAVE_POSIX_MEMALIGN 1 // if free(posix_memalign(3)) works, + * define HAVE_COMPLIANT_POSIX_MEMALIGN 1 // if free(posix_memalign(3)) works for sizes != 2^n, + * define HAVE_MEMALIGN 1 // if free(memalign(3)) works, + * define HAVE_VALLOC 1 // if free(valloc(3)) works, or + * if none is provided, we implement malloc(3)-based alloc-only page alignment + */ + +#if !(HAVE_COMPLIANT_POSIX_MEMALIGN || HAVE_MEMALIGN || HAVE_VALLOC) +static GTrashStack *compat_valloc_trash = NULL; +#endif + +static gpointer +allocator_memalign (gsize alignment, + gsize memsize) +{ + gpointer aligned_memory = NULL; + gint err = ENOMEM; +#if HAVE_COMPLIANT_POSIX_MEMALIGN + err = posix_memalign (&aligned_memory, alignment, memsize); +#elif HAVE_MEMALIGN + errno = 0; + aligned_memory = memalign (alignment, memsize); + err = errno; +#elif HAVE_VALLOC + errno = 0; + aligned_memory = valloc (memsize); + err = errno; +#else + /* simplistic non-freeing page allocator */ + mem_assert (alignment == sys_page_size); + mem_assert (memsize <= sys_page_size); + if (!compat_valloc_trash) + { + const guint n_pages = 16; + guint8 *mem = malloc (n_pages * sys_page_size); + err = errno; + if (mem) + { + gint i = n_pages; + guint8 *amem = (guint8*) ALIGN ((gsize) mem, sys_page_size); + if (amem != mem) + i--; /* mem wasn't page aligned */ + while (--i >= 0) + g_trash_stack_push (&compat_valloc_trash, amem + i * sys_page_size); + } + } + aligned_memory = g_trash_stack_pop (&compat_valloc_trash); +#endif + if (!aligned_memory) + errno = err; + return aligned_memory; +} + +static void +allocator_memfree (gsize memsize, + gpointer mem) +{ +#if HAVE_COMPLIANT_POSIX_MEMALIGN || HAVE_MEMALIGN || HAVE_VALLOC + free (mem); +#else + mem_assert (memsize <= sys_page_size); + g_trash_stack_push (&compat_valloc_trash, mem); +#endif +} + +static void +mem_error (const char *format, + ...) +{ + const char *pname; + va_list args; + /* at least, put out "MEMORY-ERROR", in case we segfault during the rest of the function */ + fputs ("\n***MEMORY-ERROR***: ", stderr); + pname = g_get_prgname(); + fprintf (stderr, "%s[%ld]: GSlice: ", pname ? pname : "", (long)getpid()); + va_start (args, format); + vfprintf (stderr, format, args); + va_end (args); + fputs ("\n", stderr); + abort(); + _exit (1); +} + +/* --- g-slice memory checker tree --- */ +typedef size_t SmcKType; /* key type */ +typedef size_t SmcVType; /* value type */ +typedef struct { + SmcKType key; + SmcVType value; +} SmcEntry; +static void smc_tree_insert (SmcKType key, + SmcVType value); +static gboolean smc_tree_lookup (SmcKType key, + SmcVType *value_p); +static gboolean smc_tree_remove (SmcKType key); + + +/* --- g-slice memory checker implementation --- */ +static void +smc_notify_alloc (void *pointer, + size_t size) +{ + size_t adress = (size_t) pointer; + if (pointer) + smc_tree_insert (adress, size); +} + +#if 0 +static void +smc_notify_ignore (void *pointer) +{ + size_t adress = (size_t) pointer; + if (pointer) + smc_tree_remove (adress); +} +#endif + +static int +smc_notify_free (void *pointer, + size_t size) +{ + size_t adress = (size_t) pointer; + SmcVType real_size; + gboolean found_one; + + if (!pointer) + return 1; /* ignore */ + found_one = smc_tree_lookup (adress, &real_size); + if (!found_one) + { + fprintf (stderr, "GSlice: MemChecker: attempt to release non-allocated block: %p size=%" G_GSIZE_FORMAT "\n", pointer, size); + return 0; + } + if (real_size != size && (real_size || size)) + { + fprintf (stderr, "GSlice: MemChecker: attempt to release block with invalid size: %p size=%" G_GSIZE_FORMAT " invalid-size=%" G_GSIZE_FORMAT "\n", pointer, real_size, size); + return 0; + } + if (!smc_tree_remove (adress)) + { + fprintf (stderr, "GSlice: MemChecker: attempt to release non-allocated block: %p size=%" G_GSIZE_FORMAT "\n", pointer, size); + return 0; + } + return 1; /* all fine */ +} + +/* --- g-slice memory checker tree implementation --- */ +#define SMC_TRUNK_COUNT (4093 /* 16381 */) /* prime, to distribute trunk collisions (big, allocated just once) */ +#define SMC_BRANCH_COUNT (511) /* prime, to distribute branch collisions */ +#define SMC_TRUNK_EXTENT (SMC_BRANCH_COUNT * 2039) /* key adress space per trunk, should distribute uniformly across BRANCH_COUNT */ +#define SMC_TRUNK_HASH(k) ((k / SMC_TRUNK_EXTENT) % SMC_TRUNK_COUNT) /* generate new trunk hash per megabyte (roughly) */ +#define SMC_BRANCH_HASH(k) (k % SMC_BRANCH_COUNT) + +typedef struct { + SmcEntry *entries; + unsigned int n_entries; +} SmcBranch; + +static SmcBranch **smc_tree_root = NULL; + +static void +smc_tree_abort (int errval) +{ + const char *syserr = "unknown error"; +#if HAVE_STRERROR + syserr = strerror (errval); +#endif + mem_error ("MemChecker: failure in debugging tree: %s", syserr); +} + +static inline SmcEntry* +smc_tree_branch_grow_L (SmcBranch *branch, + unsigned int index) +{ + unsigned int old_size = branch->n_entries * sizeof (branch->entries[0]); + unsigned int new_size = old_size + sizeof (branch->entries[0]); + SmcEntry *entry; + mem_assert (index <= branch->n_entries); + branch->entries = (SmcEntry*) realloc (branch->entries, new_size); + if (!branch->entries) + smc_tree_abort (errno); + entry = branch->entries + index; + g_memmove (entry + 1, entry, (branch->n_entries - index) * sizeof (entry[0])); + branch->n_entries += 1; + return entry; +} + +static inline SmcEntry* +smc_tree_branch_lookup_nearest_L (SmcBranch *branch, + SmcKType key) +{ + unsigned int n_nodes = branch->n_entries, offs = 0; + SmcEntry *check = branch->entries; + int cmp = 0; + while (offs < n_nodes) + { + unsigned int i = (offs + n_nodes) >> 1; + check = branch->entries + i; + cmp = key < check->key ? -1 : key != check->key; + if (cmp == 0) + return check; /* return exact match */ + else if (cmp < 0) + n_nodes = i; + else /* (cmp > 0) */ + offs = i + 1; + } + /* check points at last mismatch, cmp > 0 indicates greater key */ + return cmp > 0 ? check + 1 : check; /* return insertion position for inexact match */ +} + +static void +smc_tree_insert (SmcKType key, + SmcVType value) +{ + unsigned int ix0, ix1; + SmcEntry *entry; + + g_mutex_lock (smc_tree_mutex); + ix0 = SMC_TRUNK_HASH (key); + ix1 = SMC_BRANCH_HASH (key); + if (!smc_tree_root) + { + smc_tree_root = calloc (SMC_TRUNK_COUNT, sizeof (smc_tree_root[0])); + if (!smc_tree_root) + smc_tree_abort (errno); + } + if (!smc_tree_root[ix0]) + { + smc_tree_root[ix0] = calloc (SMC_BRANCH_COUNT, sizeof (smc_tree_root[0][0])); + if (!smc_tree_root[ix0]) + smc_tree_abort (errno); + } + entry = smc_tree_branch_lookup_nearest_L (&smc_tree_root[ix0][ix1], key); + if (!entry || /* need create */ + entry >= smc_tree_root[ix0][ix1].entries + smc_tree_root[ix0][ix1].n_entries || /* need append */ + entry->key != key) /* need insert */ + entry = smc_tree_branch_grow_L (&smc_tree_root[ix0][ix1], entry - smc_tree_root[ix0][ix1].entries); + entry->key = key; + entry->value = value; + g_mutex_unlock (smc_tree_mutex); +} + +static gboolean +smc_tree_lookup (SmcKType key, + SmcVType *value_p) +{ + SmcEntry *entry = NULL; + unsigned int ix0 = SMC_TRUNK_HASH (key), ix1 = SMC_BRANCH_HASH (key); + gboolean found_one = FALSE; + *value_p = 0; + g_mutex_lock (smc_tree_mutex); + if (smc_tree_root && smc_tree_root[ix0]) + { + entry = smc_tree_branch_lookup_nearest_L (&smc_tree_root[ix0][ix1], key); + if (entry && + entry < smc_tree_root[ix0][ix1].entries + smc_tree_root[ix0][ix1].n_entries && + entry->key == key) + { + found_one = TRUE; + *value_p = entry->value; + } + } + g_mutex_unlock (smc_tree_mutex); + return found_one; +} + +static gboolean +smc_tree_remove (SmcKType key) +{ + unsigned int ix0 = SMC_TRUNK_HASH (key), ix1 = SMC_BRANCH_HASH (key); + gboolean found_one = FALSE; + g_mutex_lock (smc_tree_mutex); + if (smc_tree_root && smc_tree_root[ix0]) + { + SmcEntry *entry = smc_tree_branch_lookup_nearest_L (&smc_tree_root[ix0][ix1], key); + if (entry && + entry < smc_tree_root[ix0][ix1].entries + smc_tree_root[ix0][ix1].n_entries && + entry->key == key) + { + unsigned int i = entry - smc_tree_root[ix0][ix1].entries; + smc_tree_root[ix0][ix1].n_entries -= 1; + g_memmove (entry, entry + 1, (smc_tree_root[ix0][ix1].n_entries - i) * sizeof (entry[0])); + if (!smc_tree_root[ix0][ix1].n_entries) + { + /* avoid useless pressure on the memory system */ + free (smc_tree_root[ix0][ix1].entries); + smc_tree_root[ix0][ix1].entries = NULL; + } + found_one = TRUE; + } + } + g_mutex_unlock (smc_tree_mutex); + return found_one; +} + +#ifdef G_ENABLE_DEBUG +void +g_slice_debug_tree_statistics (void) +{ + g_mutex_lock (smc_tree_mutex); + if (smc_tree_root) + { + unsigned int i, j, t = 0, o = 0, b = 0, su = 0, ex = 0, en = 4294967295u; + double tf, bf; + for (i = 0; i < SMC_TRUNK_COUNT; i++) + if (smc_tree_root[i]) + { + t++; + for (j = 0; j < SMC_BRANCH_COUNT; j++) + if (smc_tree_root[i][j].n_entries) + { + b++; + su += smc_tree_root[i][j].n_entries; + en = MIN (en, smc_tree_root[i][j].n_entries); + ex = MAX (ex, smc_tree_root[i][j].n_entries); + } + else if (smc_tree_root[i][j].entries) + o++; /* formerly used, now empty */ + } + en = b ? en : 0; + tf = MAX (t, 1.0); /* max(1) to be a valid divisor */ + bf = MAX (b, 1.0); /* max(1) to be a valid divisor */ + fprintf (stderr, "GSlice: MemChecker: %u trunks, %u branches, %u old branches\n", t, b, o); + fprintf (stderr, "GSlice: MemChecker: %f branches per trunk, %.2f%% utilization\n", + b / tf, + 100.0 - (SMC_BRANCH_COUNT - b / tf) / (0.01 * SMC_BRANCH_COUNT)); + fprintf (stderr, "GSlice: MemChecker: %f entries per branch, %u minimum, %u maximum\n", + su / bf, en, ex); + } + else + fprintf (stderr, "GSlice: MemChecker: root=NULL\n"); + g_mutex_unlock (smc_tree_mutex); + + /* sample statistics (beast + GSLice + 24h scripted core & GUI activity): + * PID %CPU %MEM VSZ RSS COMMAND + * 8887 30.3 45.8 456068 414856 beast-0.7.1 empty.bse + * $ cat /proc/8887/statm # total-program-size resident-set-size shared-pages text/code data/stack library dirty-pages + * 114017 103714 2354 344 0 108676 0 + * $ cat /proc/8887/status + * Name: beast-0.7.1 + * VmSize: 456068 kB + * VmLck: 0 kB + * VmRSS: 414856 kB + * VmData: 434620 kB + * VmStk: 84 kB + * VmExe: 1376 kB + * VmLib: 13036 kB + * VmPTE: 456 kB + * Threads: 3 + * (gdb) print g_slice_debug_tree_statistics () + * GSlice: MemChecker: 422 trunks, 213068 branches, 0 old branches + * GSlice: MemChecker: 504.900474 branches per trunk, 98.81% utilization + * GSlice: MemChecker: 4.965039 entries per branch, 1 minimum, 37 maximum + */ +} +#endif /* G_ENABLE_DEBUG */ diff --git a/deps/glib/gslice.h b/deps/glib/gslice.h new file mode 100644 index 0000000..962199e --- /dev/null +++ b/deps/glib/gslice.h @@ -0,0 +1,86 @@ +/* GLIB sliced memory - fast threaded memory chunk allocator + * Copyright (C) 2005 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_SLICE_H__ +#define __G_SLICE_H__ + +#include + +G_BEGIN_DECLS + +/* slices - fast allocation/release of small memory blocks + */ +gpointer g_slice_alloc (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); +gpointer g_slice_alloc0 (gsize block_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); +gpointer g_slice_copy (gsize block_size, + gconstpointer mem_block) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(1); +void g_slice_free1 (gsize block_size, + gpointer mem_block); +void g_slice_free_chain_with_offset (gsize block_size, + gpointer mem_chain, + gsize next_offset); +#define g_slice_new(type) ((type*) g_slice_alloc (sizeof (type))) +#define g_slice_new0(type) ((type*) g_slice_alloc0 (sizeof (type))) +/* MemoryBlockType * + * g_slice_dup (MemoryBlockType, + * MemoryBlockType *mem_block); + * g_slice_free (MemoryBlockType, + * MemoryBlockType *mem_block); + * g_slice_free_chain (MemoryBlockType, + * MemoryBlockType *first_chain_block, + * memory_block_next_field); + * pseudo prototypes for the macro + * definitions following below. + */ + +/* we go through extra hoops to ensure type safety */ +#define g_slice_dup(type, mem) \ + (1 ? (type*) g_slice_copy (sizeof (type), (mem)) \ + : ((void) ((type*) 0 == (mem)), (type*) 0)) +#define g_slice_free(type, mem) do { \ + if (1) g_slice_free1 (sizeof (type), (mem)); \ + else (void) ((type*) 0 == (mem)); \ +} while (0) +#define g_slice_free_chain(type, mem_chain, next) do { \ + if (1) g_slice_free_chain_with_offset (sizeof (type), \ + (mem_chain), G_STRUCT_OFFSET (type, next)); \ + else (void) ((type*) 0 == (mem_chain)); \ +} while (0) + + +/* --- internal debugging API --- */ +typedef enum { + G_SLICE_CONFIG_ALWAYS_MALLOC = 1, + G_SLICE_CONFIG_BYPASS_MAGAZINES, + G_SLICE_CONFIG_WORKING_SET_MSECS, + G_SLICE_CONFIG_COLOR_INCREMENT, + G_SLICE_CONFIG_CHUNK_SIZES, + G_SLICE_CONFIG_CONTENTION_COUNTER +} GSliceConfig; +void g_slice_set_config (GSliceConfig ckey, gint64 value); +gint64 g_slice_get_config (GSliceConfig ckey); +gint64* g_slice_get_config_state (GSliceConfig ckey, gint64 address, guint *n_values); + +G_END_DECLS + +#endif /* __G_SLICE_H__ */ diff --git a/deps/glib/gslist.c b/deps/glib/gslist.c new file mode 100644 index 0000000..1de9c57 --- /dev/null +++ b/deps/glib/gslist.c @@ -0,0 +1,1082 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" + +#include "gslist.h" +#include "gtestutils.h" + +/** + * SECTION:linked_lists_single + * @title: Singly-Linked Lists + * @short_description: linked lists containing integer values or + * pointers to data, limited to iterating over the + * list in one direction + * + * The #GSList structure and its associated functions provide a + * standard singly-linked list data structure. + * + * Each element in the list contains a piece of data, together with a + * pointer which links to the next element in the list. Using this + * pointer it is possible to move through the list in one direction + * only (unlike the Doubly-Linked Lists which + * allow movement in both directions). + * + * The data contained in each element can be either integer values, by + * using one of the Type + * Conversion Macros, or simply pointers to any type of data. + * + * List elements are allocated from the slice allocator, which is more + * efficient than allocating elements individually. + * + * Note that most of the #GSList functions expect to be passed a + * pointer to the first element in the list. The functions which insert + * elements return the new start of the list, which may have changed. + * + * There is no function to create a #GSList. %NULL is considered to be + * the empty list so you simply set a #GSList* to %NULL. + * + * To add elements, use g_slist_append(), g_slist_prepend(), + * g_slist_insert() and g_slist_insert_sorted(). + * + * To remove elements, use g_slist_remove(). + * + * To find elements in the list use g_slist_last(), g_slist_next(), + * g_slist_nth(), g_slist_nth_data(), g_slist_find() and + * g_slist_find_custom(). + * + * To find the index of an element use g_slist_position() and + * g_slist_index(). + * + * To call a function for each element in the list use + * g_slist_foreach(). + * + * To free the entire list, use g_slist_free(). + **/ + +/** + * GSList: + * @data: holds the element's data, which can be a pointer to any kind + * of data, or any integer value using the Type Conversion + * Macros. + * @next: contains the link to the next element in the list. + * + * The #GSList struct is used for each element in the singly-linked + * list. + **/ + +/** + * g_slist_next: + * @slist: an element in a #GSList. + * @Returns: the next element, or %NULL if there are no more elements. + * + * A convenience macro to get the next element in a #GSList. + **/ + + +/** + * g_slist_push_allocator: + * @dummy: the #GAllocator to use when allocating #GSList elements. + * + * Sets the allocator to use to allocate #GSList elements. Use + * g_slist_pop_allocator() to restore the previous allocator. + * + * Note that this function is not available if GLib has been compiled + * with + * + * Deprecated: 2.10: It does nothing, since #GSList has been converted + * to the slice + * allocator + **/ +void g_slist_push_allocator (gpointer dummy) { /* present for binary compat only */ } + +/** + * g_slist_pop_allocator: + * + * Restores the previous #GAllocator, used when allocating #GSList + * elements. + * + * Note that this function is not available if GLib has been compiled + * with + * + * Deprecated: 2.10: It does nothing, since #GSList has been converted + * to the slice + * allocator + **/ +void g_slist_pop_allocator (void) { /* present for binary compat only */ } + +#define _g_slist_alloc0() g_slice_new0 (GSList) +#define _g_slist_alloc() g_slice_new (GSList) +#define _g_slist_free1(slist) g_slice_free (GSList, slist) + +/** + * g_slist_alloc: + * @Returns: a pointer to the newly-allocated #GSList element. + * + * Allocates space for one #GSList element. It is called by the + * g_slist_append(), g_slist_prepend(), g_slist_insert() and + * g_slist_insert_sorted() functions and so is rarely used on its own. + **/ +GSList* +g_slist_alloc (void) +{ + return _g_slist_alloc0 (); +} + +/** + * g_slist_free: + * @list: a #GSList + * + * Frees all of the memory used by a #GSList. + * The freed elements are returned to the slice allocator. + * + * + * If list elements contain dynamically-allocated memory, + * you should either use g_slist_free_full() or free them manually + * first. + * + */ +void +g_slist_free (GSList *list) +{ + g_slice_free_chain (GSList, list, next); +} + +/** + * g_slist_free_1: + * @list: a #GSList element + * + * Frees one #GSList element. + * It is usually used after g_slist_remove_link(). + */ +/** + * g_slist_free1: + * + * A macro which does the same as g_slist_free_1(). + * + * Since: 2.10 + **/ +void +g_slist_free_1 (GSList *list) +{ + _g_slist_free1 (list); +} + +/** + * g_slist_free_full: + * @list: a pointer to a #GSList + * @free_func: the function to be called to free each element's data + * + * Convenience method, which frees all the memory used by a #GSList, and + * calls the specified destroy function on every element's data. + * + * Since: 2.28 + **/ +void +g_slist_free_full (GSList *list, + GDestroyNotify free_func) +{ + g_slist_foreach (list, (GFunc) free_func, NULL); + g_slist_free (list); +} + +/** + * g_slist_append: + * @list: a #GSList + * @data: the data for the new element + * + * Adds a new element on to the end of the list. + * + * + * The return value is the new start of the list, which may + * have changed, so make sure you store the new value. + * + * + * + * Note that g_slist_append() has to traverse the entire list + * to find the end, which is inefficient when adding multiple + * elements. A common idiom to avoid the inefficiency is to prepend + * the elements and reverse the list when all elements have been added. + * + * + * |[ + * /* Notice that these are initialized to the empty list. */ + * GSList *list = NULL, *number_list = NULL; + * + * /* This is a list of strings. */ + * list = g_slist_append (list, "first"); + * list = g_slist_append (list, "second"); + * + * /* This is a list of integers. */ + * number_list = g_slist_append (number_list, GINT_TO_POINTER (27)); + * number_list = g_slist_append (number_list, GINT_TO_POINTER (14)); + * ]| + * + * Returns: the new start of the #GSList + */ +GSList* +g_slist_append (GSList *list, + gpointer data) +{ + GSList *new_list; + GSList *last; + + new_list = _g_slist_alloc (); + new_list->data = data; + new_list->next = NULL; + + if (list) + { + last = g_slist_last (list); + /* g_assert (last != NULL); */ + last->next = new_list; + + return list; + } + else + return new_list; +} + +/** + * g_slist_prepend: + * @list: a #GSList + * @data: the data for the new element + * + * Adds a new element on to the start of the list. + * + * + * The return value is the new start of the list, which + * may have changed, so make sure you store the new value. + * + * + * |[ + * /* Notice that it is initialized to the empty list. */ + * GSList *list = NULL; + * list = g_slist_prepend (list, "last"); + * list = g_slist_prepend (list, "first"); + * ]| + * + * Returns: the new start of the #GSList + */ +GSList* +g_slist_prepend (GSList *list, + gpointer data) +{ + GSList *new_list; + + new_list = _g_slist_alloc (); + new_list->data = data; + new_list->next = list; + + return new_list; +} + +/** + * g_slist_insert: + * @list: a #GSList + * @data: the data for the new element + * @position: the position to insert the element. + * If this is negative, or is larger than the number + * of elements in the list, the new element is added on + * to the end of the list. + * + * Inserts a new element into the list at the given position. + * + * Returns: the new start of the #GSList + */ +GSList* +g_slist_insert (GSList *list, + gpointer data, + gint position) +{ + GSList *prev_list; + GSList *tmp_list; + GSList *new_list; + + if (position < 0) + return g_slist_append (list, data); + else if (position == 0) + return g_slist_prepend (list, data); + + new_list = _g_slist_alloc (); + new_list->data = data; + + if (!list) + { + new_list->next = NULL; + return new_list; + } + + prev_list = NULL; + tmp_list = list; + + while ((position-- > 0) && tmp_list) + { + prev_list = tmp_list; + tmp_list = tmp_list->next; + } + + if (prev_list) + { + new_list->next = prev_list->next; + prev_list->next = new_list; + } + else + { + new_list->next = list; + list = new_list; + } + + return list; +} + +/** + * g_slist_insert_before: + * @slist: a #GSList + * @sibling: node to insert @data before + * @data: data to put in the newly-inserted node + * + * Inserts a node before @sibling containing @data. + * + * Returns: the new head of the list. + */ +GSList* +g_slist_insert_before (GSList *slist, + GSList *sibling, + gpointer data) +{ + if (!slist) + { + slist = _g_slist_alloc (); + slist->data = data; + slist->next = NULL; + g_return_val_if_fail (sibling == NULL, slist); + return slist; + } + else + { + GSList *node, *last = NULL; + + for (node = slist; node; last = node, node = last->next) + if (node == sibling) + break; + if (!last) + { + node = _g_slist_alloc (); + node->data = data; + node->next = slist; + + return node; + } + else + { + node = _g_slist_alloc (); + node->data = data; + node->next = last->next; + last->next = node; + + return slist; + } + } +} + +/** + * g_slist_concat: + * @list1: a #GSList + * @list2: the #GSList to add to the end of the first #GSList + * + * Adds the second #GSList onto the end of the first #GSList. + * Note that the elements of the second #GSList are not copied. + * They are used directly. + * + * Returns: the start of the new #GSList + */ +GSList * +g_slist_concat (GSList *list1, GSList *list2) +{ + if (list2) + { + if (list1) + g_slist_last (list1)->next = list2; + else + list1 = list2; + } + + return list1; +} + +/** + * g_slist_remove: + * @list: a #GSList + * @data: the data of the element to remove + * + * Removes an element from a #GSList. + * If two elements contain the same data, only the first is removed. + * If none of the elements contain the data, the #GSList is unchanged. + * + * Returns: the new start of the #GSList + */ +GSList* +g_slist_remove (GSList *list, + gconstpointer data) +{ + GSList *tmp, *prev = NULL; + + tmp = list; + while (tmp) + { + if (tmp->data == data) + { + if (prev) + prev->next = tmp->next; + else + list = tmp->next; + + g_slist_free_1 (tmp); + break; + } + prev = tmp; + tmp = prev->next; + } + + return list; +} + +/** + * g_slist_remove_all: + * @list: a #GSList + * @data: data to remove + * + * Removes all list nodes with data equal to @data. + * Returns the new head of the list. Contrast with + * g_slist_remove() which removes only the first node + * matching the given data. + * + * Returns: new head of @list + */ +GSList* +g_slist_remove_all (GSList *list, + gconstpointer data) +{ + GSList *tmp, *prev = NULL; + + tmp = list; + while (tmp) + { + if (tmp->data == data) + { + GSList *next = tmp->next; + + if (prev) + prev->next = next; + else + list = next; + + g_slist_free_1 (tmp); + tmp = next; + } + else + { + prev = tmp; + tmp = prev->next; + } + } + + return list; +} + +static inline GSList* +_g_slist_remove_link (GSList *list, + GSList *link) +{ + GSList *tmp; + GSList *prev; + + prev = NULL; + tmp = list; + + while (tmp) + { + if (tmp == link) + { + if (prev) + prev->next = tmp->next; + if (list == tmp) + list = list->next; + + tmp->next = NULL; + break; + } + + prev = tmp; + tmp = tmp->next; + } + + return list; +} + +/** + * g_slist_remove_link: + * @list: a #GSList + * @link_: an element in the #GSList + * + * Removes an element from a #GSList, without + * freeing the element. The removed element's next + * link is set to %NULL, so that it becomes a + * self-contained list with one element. + * + * Returns: the new start of the #GSList, without the element + */ +GSList* +g_slist_remove_link (GSList *list, + GSList *link_) +{ + return _g_slist_remove_link (list, link_); +} + +/** + * g_slist_delete_link: + * @list: a #GSList + * @link_: node to delete + * + * Removes the node link_ from the list and frees it. + * Compare this to g_slist_remove_link() which removes the node + * without freeing it. + * + * Returns: the new head of @list + */ +GSList* +g_slist_delete_link (GSList *list, + GSList *link_) +{ + list = _g_slist_remove_link (list, link_); + _g_slist_free1 (link_); + + return list; +} + +/** + * g_slist_copy: + * @list: a #GSList + * + * Copies a #GSList. + * + * + * Note that this is a "shallow" copy. If the list elements + * consist of pointers to data, the pointers are copied but + * the actual data isn't. + * + * + * Returns: a copy of @list + */ +GSList* +g_slist_copy (GSList *list) +{ + GSList *new_list = NULL; + + if (list) + { + GSList *last; + + new_list = _g_slist_alloc (); + new_list->data = list->data; + last = new_list; + list = list->next; + while (list) + { + last->next = _g_slist_alloc (); + last = last->next; + last->data = list->data; + list = list->next; + } + last->next = NULL; + } + + return new_list; +} + +/** + * g_slist_reverse: + * @list: a #GSList + * + * Reverses a #GSList. + * + * Returns: the start of the reversed #GSList + */ +GSList* +g_slist_reverse (GSList *list) +{ + GSList *prev = NULL; + + while (list) + { + GSList *next = list->next; + + list->next = prev; + + prev = list; + list = next; + } + + return prev; +} + +/** + * g_slist_nth: + * @list: a #GSList + * @n: the position of the element, counting from 0 + * + * Gets the element at the given position in a #GSList. + * + * Returns: the element, or %NULL if the position is off + * the end of the #GSList + */ +GSList* +g_slist_nth (GSList *list, + guint n) +{ + while (n-- > 0 && list) + list = list->next; + + return list; +} + +/** + * g_slist_nth_data: + * @list: a #GSList + * @n: the position of the element + * + * Gets the data of the element at the given position. + * + * Returns: the element's data, or %NULL if the position + * is off the end of the #GSList + */ +gpointer +g_slist_nth_data (GSList *list, + guint n) +{ + while (n-- > 0 && list) + list = list->next; + + return list ? list->data : NULL; +} + +/** + * g_slist_find: + * @list: a #GSList + * @data: the element data to find + * + * Finds the element in a #GSList which + * contains the given data. + * + * Returns: the found #GSList element, + * or %NULL if it is not found + */ +GSList* +g_slist_find (GSList *list, + gconstpointer data) +{ + while (list) + { + if (list->data == data) + break; + list = list->next; + } + + return list; +} + + +/** + * g_slist_find_custom: + * @list: a #GSList + * @data: user data passed to the function + * @func: the function to call for each element. + * It should return 0 when the desired element is found + * + * Finds an element in a #GSList, using a supplied function to + * find the desired element. It iterates over the list, calling + * the given function which should return 0 when the desired + * element is found. The function takes two #gconstpointer arguments, + * the #GSList element's data as the first argument and the + * given user data. + * + * Returns: the found #GSList element, or %NULL if it is not found + */ +GSList* +g_slist_find_custom (GSList *list, + gconstpointer data, + GCompareFunc func) +{ + g_return_val_if_fail (func != NULL, list); + + while (list) + { + if (! func (list->data, data)) + return list; + list = list->next; + } + + return NULL; +} + +/** + * g_slist_position: + * @list: a #GSList + * @llink: an element in the #GSList + * + * Gets the position of the given element + * in the #GSList (starting from 0). + * + * Returns: the position of the element in the #GSList, + * or -1 if the element is not found + */ +gint +g_slist_position (GSList *list, + GSList *llink) +{ + gint i; + + i = 0; + while (list) + { + if (list == llink) + return i; + i++; + list = list->next; + } + + return -1; +} + +/** + * g_slist_index: + * @list: a #GSList + * @data: the data to find + * + * Gets the position of the element containing + * the given data (starting from 0). + * + * Returns: the index of the element containing the data, + * or -1 if the data is not found + */ +gint +g_slist_index (GSList *list, + gconstpointer data) +{ + gint i; + + i = 0; + while (list) + { + if (list->data == data) + return i; + i++; + list = list->next; + } + + return -1; +} + +/** + * g_slist_last: + * @list: a #GSList + * + * Gets the last element in a #GSList. + * + * + * This function iterates over the whole list. + * + * + * Returns: the last element in the #GSList, + * or %NULL if the #GSList has no elements + */ +GSList* +g_slist_last (GSList *list) +{ + if (list) + { + while (list->next) + list = list->next; + } + + return list; +} + +/** + * g_slist_length: + * @list: a #GSList + * + * Gets the number of elements in a #GSList. + * + * + * This function iterates over the whole list to + * count its elements. + * + * + * Returns: the number of elements in the #GSList + */ +guint +g_slist_length (GSList *list) +{ + guint length; + + length = 0; + while (list) + { + length++; + list = list->next; + } + + return length; +} + +/** + * g_slist_foreach: + * @list: a #GSList + * @func: the function to call with each element's data + * @user_data: user data to pass to the function + * + * Calls a function for each element of a #GSList. + */ +void +g_slist_foreach (GSList *list, + GFunc func, + gpointer user_data) +{ + while (list) + { + GSList *next = list->next; + (*func) (list->data, user_data); + list = next; + } +} + +static GSList* +g_slist_insert_sorted_real (GSList *list, + gpointer data, + GFunc func, + gpointer user_data) +{ + GSList *tmp_list = list; + GSList *prev_list = NULL; + GSList *new_list; + gint cmp; + + g_return_val_if_fail (func != NULL, list); + + if (!list) + { + new_list = _g_slist_alloc (); + new_list->data = data; + new_list->next = NULL; + return new_list; + } + + cmp = ((GCompareDataFunc) func) (data, tmp_list->data, user_data); + + while ((tmp_list->next) && (cmp > 0)) + { + prev_list = tmp_list; + tmp_list = tmp_list->next; + + cmp = ((GCompareDataFunc) func) (data, tmp_list->data, user_data); + } + + new_list = _g_slist_alloc (); + new_list->data = data; + + if ((!tmp_list->next) && (cmp > 0)) + { + tmp_list->next = new_list; + new_list->next = NULL; + return list; + } + + if (prev_list) + { + prev_list->next = new_list; + new_list->next = tmp_list; + return list; + } + else + { + new_list->next = list; + return new_list; + } +} + +/** + * g_slist_insert_sorted: + * @list: a #GSList + * @data: the data for the new element + * @func: the function to compare elements in the list. + * It should return a number > 0 if the first parameter + * comes after the second parameter in the sort order. + * + * Inserts a new element into the list, using the given + * comparison function to determine its position. + * + * Returns: the new start of the #GSList + */ +GSList* +g_slist_insert_sorted (GSList *list, + gpointer data, + GCompareFunc func) +{ + return g_slist_insert_sorted_real (list, data, (GFunc) func, NULL); +} + +/** + * g_slist_insert_sorted_with_data: + * @list: a #GSList + * @data: the data for the new element + * @func: the function to compare elements in the list. + * It should return a number > 0 if the first parameter + * comes after the second parameter in the sort order. + * @user_data: data to pass to comparison function + * + * Inserts a new element into the list, using the given + * comparison function to determine its position. + * + * Returns: the new start of the #GSList + * + * Since: 2.10 + */ +GSList* +g_slist_insert_sorted_with_data (GSList *list, + gpointer data, + GCompareDataFunc func, + gpointer user_data) +{ + return g_slist_insert_sorted_real (list, data, (GFunc) func, user_data); +} + +static GSList * +g_slist_sort_merge (GSList *l1, + GSList *l2, + GFunc compare_func, + gpointer user_data) +{ + GSList list, *l; + gint cmp; + + l=&list; + + while (l1 && l2) + { + cmp = ((GCompareDataFunc) compare_func) (l1->data, l2->data, user_data); + + if (cmp <= 0) + { + l=l->next=l1; + l1=l1->next; + } + else + { + l=l->next=l2; + l2=l2->next; + } + } + l->next= l1 ? l1 : l2; + + return list.next; +} + +static GSList * +g_slist_sort_real (GSList *list, + GFunc compare_func, + gpointer user_data) +{ + GSList *l1, *l2; + + if (!list) + return NULL; + if (!list->next) + return list; + + l1 = list; + l2 = list->next; + + while ((l2 = l2->next) != NULL) + { + if ((l2 = l2->next) == NULL) + break; + l1=l1->next; + } + l2 = l1->next; + l1->next = NULL; + + return g_slist_sort_merge (g_slist_sort_real (list, compare_func, user_data), + g_slist_sort_real (l2, compare_func, user_data), + compare_func, + user_data); +} + +/** + * g_slist_sort: + * @list: a #GSList + * @compare_func: the comparison function used to sort the #GSList. + * This function is passed the data from 2 elements of the #GSList + * and should return 0 if they are equal, a negative value if the + * first element comes before the second, or a positive value if + * the first element comes after the second. + * + * Sorts a #GSList using the given comparison function. + * + * Returns: the start of the sorted #GSList + */ +GSList * +g_slist_sort (GSList *list, + GCompareFunc compare_func) +{ + return g_slist_sort_real (list, (GFunc) compare_func, NULL); +} + +/** + * g_slist_sort_with_data: + * @list: a #GSList + * @compare_func: comparison function + * @user_data: data to pass to comparison function + * + * Like g_slist_sort(), but the sort function accepts a user data argument. + * + * Returns: new head of the list + */ +GSList * +g_slist_sort_with_data (GSList *list, + GCompareDataFunc compare_func, + gpointer user_data) +{ + return g_slist_sort_real (list, (GFunc) compare_func, user_data); +} diff --git a/deps/glib/gslist.h b/deps/glib/gslist.h new file mode 100644 index 0000000..3731ba9 --- /dev/null +++ b/deps/glib/gslist.h @@ -0,0 +1,116 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_SLIST_H__ +#define __G_SLIST_H__ + +#include + +G_BEGIN_DECLS + +typedef struct _GSList GSList; + +struct _GSList +{ + gpointer data; + GSList *next; +}; + +/* Singly linked lists + */ +GSList* g_slist_alloc (void) G_GNUC_WARN_UNUSED_RESULT; +void g_slist_free (GSList *list); +void g_slist_free_1 (GSList *list); +#define g_slist_free1 g_slist_free_1 +void g_slist_free_full (GSList *list, + GDestroyNotify free_func); +GSList* g_slist_append (GSList *list, + gpointer data) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_prepend (GSList *list, + gpointer data) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_insert (GSList *list, + gpointer data, + gint position) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_insert_sorted (GSList *list, + gpointer data, + GCompareFunc func) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_insert_sorted_with_data (GSList *list, + gpointer data, + GCompareDataFunc func, + gpointer user_data) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_insert_before (GSList *slist, + GSList *sibling, + gpointer data) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_concat (GSList *list1, + GSList *list2) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_remove (GSList *list, + gconstpointer data) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_remove_all (GSList *list, + gconstpointer data) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_remove_link (GSList *list, + GSList *link_) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_delete_link (GSList *list, + GSList *link_) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_reverse (GSList *list) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_copy (GSList *list) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_nth (GSList *list, + guint n); +GSList* g_slist_find (GSList *list, + gconstpointer data); +GSList* g_slist_find_custom (GSList *list, + gconstpointer data, + GCompareFunc func); +gint g_slist_position (GSList *list, + GSList *llink); +gint g_slist_index (GSList *list, + gconstpointer data); +GSList* g_slist_last (GSList *list); +guint g_slist_length (GSList *list); +void g_slist_foreach (GSList *list, + GFunc func, + gpointer user_data); +GSList* g_slist_sort (GSList *list, + GCompareFunc compare_func) G_GNUC_WARN_UNUSED_RESULT; +GSList* g_slist_sort_with_data (GSList *list, + GCompareDataFunc compare_func, + gpointer user_data) G_GNUC_WARN_UNUSED_RESULT; +gpointer g_slist_nth_data (GSList *list, + guint n); + +#define g_slist_next(slist) ((slist) ? (((GSList *)(slist))->next) : NULL) + +#ifndef G_DISABLE_DEPRECATED +void g_slist_push_allocator (gpointer dummy); +void g_slist_pop_allocator (void); +#endif + +G_END_DECLS + +#endif /* __G_SLIST_H__ */ diff --git a/deps/glib/gstdio.c b/deps/glib/gstdio.c new file mode 100644 index 0000000..fb5a9fb --- /dev/null +++ b/deps/glib/gstdio.c @@ -0,0 +1,832 @@ +/* gstdio.c - wrappers for C library functions + * + * Copyright 2004 Tor Lillqvist + * + * GLib is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * GLib is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with GLib; see the file COPYING.LIB. If not, + * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "config.h" +#include "glibconfig.h" + +#define G_STDIO_NO_WRAP_ON_UNIX + +#include +#include +#include + +#ifdef HAVE_UNISTD_H +#include +#endif + +#ifdef G_OS_WIN32 +#include +#include +#include +#include +#include +#include +#else +#include +#endif + +#include "gstdio.h" + + +#if !defined (G_OS_UNIX) && !defined (G_OS_WIN32) && !defined (G_OS_BEOS) +#error Please port this to your operating system +#endif + +#if defined (_MSC_VER) && !defined(_WIN64) +#undef _wstat +#define _wstat _wstat32 +#endif + +/** + * g_access: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @mode: as in access() + * + * A wrapper for the POSIX access() function. This function is used to + * test a pathname for one or several of read, write or execute + * permissions, or just existence. + * + * On Windows, the file protection mechanism is not at all POSIX-like, + * and the underlying function in the C library only checks the + * FAT-style READONLY attribute, and does not look at the ACL of a + * file at all. This function is this in practise almost useless on + * Windows. Software that needs to handle file permissions on Windows + * more exactly should use the Win32 API. + * + * See your C library manual for more details about access(). + * + * Returns: zero if the pathname refers to an existing file system + * object that has all the tested permissions, or -1 otherwise or on + * error. + * + * Since: 2.8 + */ +int +g_access (const gchar *filename, + int mode) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + +#ifndef X_OK +#define X_OK 1 +#endif + + retval = _waccess (wfilename, mode & ~X_OK); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return access (filename, mode); +#endif +} + +/** + * g_chmod: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @mode: as in chmod() + * + * A wrapper for the POSIX chmod() function. The chmod() function is + * used to set the permissions of a file system object. + * + * On Windows the file protection mechanism is not at all POSIX-like, + * and the underlying chmod() function in the C library just sets or + * clears the FAT-style READONLY attribute. It does not touch any + * ACL. Software that needs to manage file permissions on Windows + * exactly should use the Win32 API. + * + * See your C library manual for more details about chmod(). + * + * Returns: zero if the operation succeeded, -1 on error. + * + * Since: 2.8 + */ +int +g_chmod (const gchar *filename, + int mode) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + + retval = _wchmod (wfilename, mode); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return chmod (filename, mode); +#endif +} +/** + * g_open: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @flags: as in open() + * @mode: as in open() + * + * A wrapper for the POSIX open() function. The open() function is + * used to convert a pathname into a file descriptor. + * + * On POSIX systems file descriptors are implemented by the operating + * system. On Windows, it's the C library that implements open() and + * file descriptors. The actual Win32 API for opening files is quite + * different, see MSDN documentation for CreateFile(). The Win32 API + * uses file handles, which are more randomish integers, not small + * integers like file descriptors. + * + * Because file descriptors are specific to the C library on Windows, + * the file descriptor returned by this function makes sense only to + * functions in the same C library. Thus if the GLib-using code uses a + * different C library than GLib does, the file descriptor returned by + * this function cannot be passed to C library functions like write() + * or read(). + * + * See your C library manual for more details about open(). + * + * Returns: a new file descriptor, or -1 if an error occurred. The + * return value can be used exactly like the return value from open(). + * + * Since: 2.6 + */ +int +g_open (const gchar *filename, + int flags, + int mode) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + + retval = _wopen (wfilename, flags, mode); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return open (filename, flags, mode); +#endif +} + +/** + * g_creat: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @mode: as in creat() + * + * A wrapper for the POSIX creat() function. The creat() function is + * used to convert a pathname into a file descriptor, creating a file + * if necessary. + + * On POSIX systems file descriptors are implemented by the operating + * system. On Windows, it's the C library that implements creat() and + * file descriptors. The actual Windows API for opening files is + * different, see MSDN documentation for CreateFile(). The Win32 API + * uses file handles, which are more randomish integers, not small + * integers like file descriptors. + * + * Because file descriptors are specific to the C library on Windows, + * the file descriptor returned by this function makes sense only to + * functions in the same C library. Thus if the GLib-using code uses a + * different C library than GLib does, the file descriptor returned by + * this function cannot be passed to C library functions like write() + * or read(). + * + * See your C library manual for more details about creat(). + * + * Returns: a new file descriptor, or -1 if an error occurred. The + * return value can be used exactly like the return value from creat(). + * + * Since: 2.8 + */ +int +g_creat (const gchar *filename, + int mode) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + + retval = _wcreat (wfilename, mode); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return creat (filename, mode); +#endif +} + +/** + * g_rename: + * @oldfilename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @newfilename: a pathname in the GLib file name encoding + * + * A wrapper for the POSIX rename() function. The rename() function + * renames a file, moving it between directories if required. + * + * See your C library manual for more details about how rename() works + * on your system. It is not possible in general on Windows to rename + * a file that is open to some process. + * + * Returns: 0 if the renaming succeeded, -1 if an error occurred + * + * Since: 2.6 + */ +int +g_rename (const gchar *oldfilename, + const gchar *newfilename) +{ +#ifdef G_OS_WIN32 + wchar_t *woldfilename = g_utf8_to_utf16 (oldfilename, -1, NULL, NULL, NULL); + wchar_t *wnewfilename; + int retval; + int save_errno = 0; + + if (woldfilename == NULL) + { + errno = EINVAL; + return -1; + } + + wnewfilename = g_utf8_to_utf16 (newfilename, -1, NULL, NULL, NULL); + + if (wnewfilename == NULL) + { + g_free (woldfilename); + errno = EINVAL; + return -1; + } + + if (MoveFileExW (woldfilename, wnewfilename, MOVEFILE_REPLACE_EXISTING)) + retval = 0; + else + { + retval = -1; + switch (GetLastError ()) + { +#define CASE(a,b) case ERROR_##a: save_errno = b; break + CASE (FILE_NOT_FOUND, ENOENT); + CASE (PATH_NOT_FOUND, ENOENT); + CASE (ACCESS_DENIED, EACCES); + CASE (NOT_SAME_DEVICE, EXDEV); + CASE (LOCK_VIOLATION, EACCES); + CASE (SHARING_VIOLATION, EACCES); + CASE (FILE_EXISTS, EEXIST); + CASE (ALREADY_EXISTS, EEXIST); +#undef CASE + default: save_errno = EIO; + } + } + + g_free (woldfilename); + g_free (wnewfilename); + + errno = save_errno; + return retval; +#else + return rename (oldfilename, newfilename); +#endif +} + +/** + * g_mkdir: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @mode: permissions to use for the newly created directory + * + * A wrapper for the POSIX mkdir() function. The mkdir() function + * attempts to create a directory with the given name and permissions. + * The mode argument is ignored on Windows. + * + * See your C library manual for more details about mkdir(). + * + * Returns: 0 if the directory was successfully created, -1 if an error + * occurred + * + * Since: 2.6 + */ +int +g_mkdir (const gchar *filename, + int mode) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + + retval = _wmkdir (wfilename); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return mkdir (filename, mode); +#endif +} + +/** + * g_chdir: + * @path: a pathname in the GLib file name encoding (UTF-8 on Windows) + * + * A wrapper for the POSIX chdir() function. The function changes the + * current directory of the process to @path. + * + * See your C library manual for more details about chdir(). + * + * Returns: 0 on success, -1 if an error occurred. + * + * Since: 2.8 + */ +int +g_chdir (const gchar *path) +{ +#ifdef G_OS_WIN32 + wchar_t *wpath = g_utf8_to_utf16 (path, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wpath == NULL) + { + errno = EINVAL; + return -1; + } + + retval = _wchdir (wpath); + save_errno = errno; + + g_free (wpath); + + errno = save_errno; + return retval; +#else + return chdir (path); +#endif +} + +/** + * GStatBuf: + * + * A type corresponding to the appropriate struct type for the stat + * system call, depending on the platform and/or compiler being used. + * + * See g_stat() for more information. + **/ +/** + * g_stat: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @buf: a pointer to a stat struct, which + * will be filled with the file information + * + * A wrapper for the POSIX stat() function. The stat() function + * returns information about a file. On Windows the stat() function in + * the C library checks only the FAT-style READONLY attribute and does + * not look at the ACL at all. Thus on Windows the protection bits in + * the st_mode field are a fabrication of little use. + * + * On Windows the Microsoft C libraries have several variants of the + * stat struct and stat() function with names + * like "_stat", "_stat32", "_stat32i64" and "_stat64i32". The one + * used here is for 32-bit code the one with 32-bit size and time + * fields, specifically called "_stat32". + * + * In Microsoft's compiler, by default "struct stat" means one with + * 64-bit time fields while in MinGW "struct stat" is the legacy one + * with 32-bit fields. To hopefully clear up this messs, the gstdio.h + * header defines a type GStatBuf which is the appropriate struct type + * depending on the platform and/or compiler being used. On POSIX it + * is just "struct stat", but note that even on POSIX platforms, + * "stat" might be a macro. + * + * See your C library manual for more details about stat(). + * + * Returns: 0 if the information was successfully retrieved, -1 if an error + * occurred + * + * Since: 2.6 + */ +int +g_stat (const gchar *filename, + GStatBuf *buf) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + int len; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + + len = wcslen (wfilename); + while (len > 0 && G_IS_DIR_SEPARATOR (wfilename[len-1])) + len--; + if (len > 0 && + (!g_path_is_absolute (filename) || len > g_path_skip_root (filename) - filename)) + wfilename[len] = '\0'; + + retval = _wstat (wfilename, buf); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return stat (filename, buf); +#endif +} + +/** + * g_lstat: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @buf: a pointer to a stat struct, which + * will be filled with the file information + * + * A wrapper for the POSIX lstat() function. The lstat() function is + * like stat() except that in the case of symbolic links, it returns + * information about the symbolic link itself and not the file that it + * refers to. If the system does not support symbolic links g_lstat() + * is identical to g_stat(). + * + * See your C library manual for more details about lstat(). + * + * Returns: 0 if the information was successfully retrieved, -1 if an error + * occurred + * + * Since: 2.6 + */ +int +g_lstat (const gchar *filename, + GStatBuf *buf) +{ +#ifdef HAVE_LSTAT + /* This can't be Win32, so don't do the widechar dance. */ + return lstat (filename, buf); +#else + return g_stat (filename, buf); +#endif +} + +/** + * g_unlink: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * + * A wrapper for the POSIX unlink() function. The unlink() function + * deletes a name from the filesystem. If this was the last link to the + * file and no processes have it opened, the diskspace occupied by the + * file is freed. + * + * See your C library manual for more details about unlink(). Note + * that on Windows, it is in general not possible to delete files that + * are open to some process, or mapped into memory. + * + * Returns: 0 if the name was successfully deleted, -1 if an error + * occurred + * + * Since: 2.6 + */ +int +g_unlink (const gchar *filename) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + + retval = _wunlink (wfilename); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return unlink (filename); +#endif +} + +/** + * g_remove: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * + * A wrapper for the POSIX remove() function. The remove() function + * deletes a name from the filesystem. + * + * See your C library manual for more details about how remove() works + * on your system. On Unix, remove() removes also directories, as it + * calls unlink() for files and rmdir() for directories. On Windows, + * although remove() in the C library only works for files, this + * function tries first remove() and then if that fails rmdir(), and + * thus works for both files and directories. Note however, that on + * Windows, it is in general not possible to remove a file that is + * open to some process, or mapped into memory. + * + * If this function fails on Windows you can't infer too much from the + * errno value. rmdir() is tried regardless of what caused remove() to + * fail. Any errno value set by remove() will be overwritten by that + * set by rmdir(). + * + * Returns: 0 if the file was successfully removed, -1 if an error + * occurred + * + * Since: 2.6 + */ +int +g_remove (const gchar *filename) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + + retval = _wremove (wfilename); + if (retval == -1) + retval = _wrmdir (wfilename); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return remove (filename); +#endif +} + +/** + * g_rmdir: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * + * A wrapper for the POSIX rmdir() function. The rmdir() function + * deletes a directory from the filesystem. + * + * See your C library manual for more details about how rmdir() works + * on your system. + * + * Returns: 0 if the directory was successfully removed, -1 if an error + * occurred + * + * Since: 2.6 + */ +int +g_rmdir (const gchar *filename) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + + retval = _wrmdir (wfilename); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return rmdir (filename); +#endif +} + +/** + * g_fopen: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @mode: a string describing the mode in which the file should be + * opened + * + * A wrapper for the stdio fopen() function. The fopen() function + * opens a file and associates a new stream with it. + * + * Because file descriptors are specific to the C library on Windows, + * and a file descriptor is partof the FILE struct, the + * FILE pointer returned by this function makes sense + * only to functions in the same C library. Thus if the GLib-using + * code uses a different C library than GLib does, the + * FILE pointer returned by this function cannot be + * passed to C library functions like fprintf() or fread(). + * + * See your C library manual for more details about fopen(). + * + * Returns: A FILE pointer if the file was successfully + * opened, or %NULL if an error occurred + * + * Since: 2.6 + */ +FILE * +g_fopen (const gchar *filename, + const gchar *mode) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + wchar_t *wmode; + FILE *retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return NULL; + } + + wmode = g_utf8_to_utf16 (mode, -1, NULL, NULL, NULL); + + if (wmode == NULL) + { + g_free (wfilename); + errno = EINVAL; + return NULL; + } + + retval = _wfopen (wfilename, wmode); + save_errno = errno; + + g_free (wfilename); + g_free (wmode); + + errno = save_errno; + return retval; +#else + return fopen (filename, mode); +#endif +} + +/** + * g_freopen: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @mode: a string describing the mode in which the file should be + * opened + * @stream: an existing stream which will be reused, or %NULL + * + * A wrapper for the POSIX freopen() function. The freopen() function + * opens a file and associates it with an existing stream. + * + * See your C library manual for more details about freopen(). + * + * Returns: A FILE pointer if the file was successfully + * opened, or %NULL if an error occurred. + * + * Since: 2.6 + */ +FILE * +g_freopen (const gchar *filename, + const gchar *mode, + FILE *stream) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + wchar_t *wmode; + FILE *retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return NULL; + } + + wmode = g_utf8_to_utf16 (mode, -1, NULL, NULL, NULL); + + if (wmode == NULL) + { + g_free (wfilename); + errno = EINVAL; + return NULL; + } + + retval = _wfreopen (wfilename, wmode, stream); + save_errno = errno; + + g_free (wfilename); + g_free (wmode); + + errno = save_errno; + return retval; +#else + return freopen (filename, mode, stream); +#endif +} + +/** + * g_utime: + * @filename: a pathname in the GLib file name encoding (UTF-8 on Windows) + * @utb: a pointer to a struct utimbuf. + * + * A wrapper for the POSIX utime() function. The utime() function + * sets the access and modification timestamps of a file. + * + * See your C library manual for more details about how utime() works + * on your system. + * + * Returns: 0 if the operation was successful, -1 if an error + * occurred + * + * Since: 2.18 + */ +int +g_utime (const gchar *filename, + struct utimbuf *utb) +{ +#ifdef G_OS_WIN32 + wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL); + int retval; + int save_errno; + + if (wfilename == NULL) + { + errno = EINVAL; + return -1; + } + + retval = _wutime (wfilename, (struct _utimbuf*) utb); + save_errno = errno; + + g_free (wfilename); + + errno = save_errno; + return retval; +#else + return utime (filename, utb); +#endif +} diff --git a/deps/glib/gstdio.h b/deps/glib/gstdio.h new file mode 100644 index 0000000..08aea7d --- /dev/null +++ b/deps/glib/gstdio.h @@ -0,0 +1,149 @@ +/* gstdio.h - GFilename wrappers for C library functions + * + * Copyright 2004 Tor Lillqvist + * + * GLib is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * GLib is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with GLib; see the file COPYING.LIB. If not, + * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __G_STDIO_H__ +#define __G_STDIO_H__ + +#include + +#include + +G_BEGIN_DECLS + +#if defined (_MSC_VER) && !defined(_WIN64) + +/* Make it clear that we mean the struct with 32-bit st_size and + * 32-bit st_*time fields as that is how the 32-bit GLib DLL normally + * has been compiled. If you get a compiler warning when calling + * g_stat(), do take it seriously and make sure that the type of + * struct stat the code in GLib fills in matches the struct the type + * of struct stat you pass to g_stat(). To avoid hassle, to get file + * attributes just use the GIO API instead which doesn't use struct + * stat. + * + * Sure, it would be nicer to use a struct with 64-bit st_size and + * 64-bit st_*time fields, but changing that now would break ABI. And + * in MinGW, a plain "struct stat" is the one with 32-bit st_size and + * st_*time fields. + */ + +typedef struct _stat32 GStatBuf; + +#else + +typedef struct stat GStatBuf; + +#endif + +#if defined(G_OS_UNIX) && !defined(G_STDIO_NO_WRAP_ON_UNIX) + +/* Just pass on to the system functions, so there's no potential for data + * format mismatches, especially with large file interfaces. + * A few functions can't be handled in this way, since they are not defined + * in a portable system header that we could include here. + */ + +#ifndef __GTK_DOC_IGNORE__ +#define g_chmod chmod +#define g_open open +#define g_creat creat +#define g_rename rename +#define g_mkdir mkdir +#define g_stat stat +#define g_lstat lstat +#define g_remove remove +#define g_fopen fopen +#define g_freopen freopen +#define g_utime utime +#endif + +int g_access (const gchar *filename, + int mode); + +int g_chdir (const gchar *path); + +int g_unlink (const gchar *filename); + +int g_rmdir (const gchar *filename); + +#else /* ! G_OS_UNIX */ + +/* Wrappers for C library functions that take pathname arguments. On + * Unix, the pathname is a file name as it literally is in the file + * system. On well-maintained systems with consistent users who know + * what they are doing and no exchange of files with others this would + * be a well-defined encoding, preferably UTF-8. On Windows, the + * pathname is always in UTF-8, even if that is not the on-disk + * encoding, and not the encoding accepted by the C library or Win32 + * API. + */ + +int g_access (const gchar *filename, + int mode); + +int g_chmod (const gchar *filename, + int mode); + +int g_open (const gchar *filename, + int flags, + int mode); + +int g_creat (const gchar *filename, + int mode); + +int g_rename (const gchar *oldfilename, + const gchar *newfilename); + +int g_mkdir (const gchar *filename, + int mode); + +int g_chdir (const gchar *path); + +int g_stat (const gchar *filename, + GStatBuf *buf); + +int g_lstat (const gchar *filename, + GStatBuf *buf); + +int g_unlink (const gchar *filename); + +int g_remove (const gchar *filename); + +int g_rmdir (const gchar *filename); + +FILE *g_fopen (const gchar *filename, + const gchar *mode); + +FILE *g_freopen (const gchar *filename, + const gchar *mode, + FILE *stream); + +struct utimbuf; /* Don't need the real definition of struct utimbuf when just + * including this header. + */ + +int g_utime (const gchar *filename, + struct utimbuf *utb); + +#endif /* G_OS_UNIX */ + +G_END_DECLS + +#endif /* __G_STDIO_H__ */ diff --git a/deps/glib/gstrfuncs.c b/deps/glib/gstrfuncs.c new file mode 100644 index 0000000..d651ce1 --- /dev/null +++ b/deps/glib/gstrfuncs.c @@ -0,0 +1,3251 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include /* For tolower() */ +#if !defined (HAVE_STRSIGNAL) || !defined(NO_SYS_SIGLIST_DECL) +#include +#endif + +#include "gstrfuncs.h" + +#include "gprintf.h" +#include "gprintfint.h" +#include "glibintl.h" +#include "gconvert.h" + +#ifdef G_OS_WIN32 +#include +#endif + +/* do not include in this place since it + * interferes with g_strsignal() on some OSes + */ + +static const guint16 ascii_table_data[256] = { + 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, + 0x004, 0x104, 0x104, 0x004, 0x104, 0x104, 0x004, 0x004, + 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, + 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, 0x004, + 0x140, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, + 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, + 0x459, 0x459, 0x459, 0x459, 0x459, 0x459, 0x459, 0x459, + 0x459, 0x459, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, + 0x0d0, 0x653, 0x653, 0x653, 0x653, 0x653, 0x653, 0x253, + 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, + 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, 0x253, + 0x253, 0x253, 0x253, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x0d0, + 0x0d0, 0x473, 0x473, 0x473, 0x473, 0x473, 0x473, 0x073, + 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, + 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, 0x073, + 0x073, 0x073, 0x073, 0x0d0, 0x0d0, 0x0d0, 0x0d0, 0x004 + /* the upper 128 are all zeroes */ +}; + +const guint16 * const g_ascii_table = ascii_table_data; + +/** + * g_strdup: + * @str: the string to duplicate + * + * Duplicates a string. If @str is %NULL it returns %NULL. + * The returned string should be freed with g_free() + * when no longer needed. + * + * Returns: a newly-allocated copy of @str + */ +gchar* +g_strdup (const gchar *str) +{ + gchar *new_str; + gsize length; + + if (str) + { + length = strlen (str) + 1; + new_str = g_new (char, length); + memcpy (new_str, str, length); + } + else + new_str = NULL; + + return new_str; +} + +/** + * g_memdup: + * @mem: the memory to copy. + * @byte_size: the number of bytes to copy. + * + * Allocates @byte_size bytes of memory, and copies @byte_size bytes into it + * from @mem. If @mem is %NULL it returns %NULL. + * + * Returns: a pointer to the newly-allocated copy of the memory, or %NULL if @mem + * is %NULL. + */ +gpointer +g_memdup (gconstpointer mem, + guint byte_size) +{ + gpointer new_mem; + + if (mem) + { + new_mem = g_malloc (byte_size); + memcpy (new_mem, mem, byte_size); + } + else + new_mem = NULL; + + return new_mem; +} + +/** + * g_strndup: + * @str: the string to duplicate + * @n: the maximum number of bytes to copy from @str + * + * Duplicates the first @n bytes of a string, returning a newly-allocated + * buffer @n + 1 bytes long which will always be nul-terminated. + * If @str is less than @n bytes long the buffer is padded with nuls. + * If @str is %NULL it returns %NULL. + * The returned value should be freed when no longer needed. + * + * + * To copy a number of characters from a UTF-8 encoded string, use + * g_utf8_strncpy() instead. + * + * + * Returns: a newly-allocated buffer containing the first @n bytes + * of @str, nul-terminated + */ +gchar* +g_strndup (const gchar *str, + gsize n) +{ + gchar *new_str; + + if (str) + { + new_str = g_new (gchar, n + 1); + strncpy (new_str, str, n); + new_str[n] = '\0'; + } + else + new_str = NULL; + + return new_str; +} + +/** + * g_strnfill: + * @length: the length of the new string + * @fill_char: the byte to fill the string with + * + * Creates a new string @length bytes long filled with @fill_char. + * The returned string should be freed when no longer needed. + * + * Returns: a newly-allocated string filled the @fill_char + */ +gchar* +g_strnfill (gsize length, + gchar fill_char) +{ + gchar *str; + + str = g_new (gchar, length + 1); + memset (str, (guchar)fill_char, length); + str[length] = '\0'; + + return str; +} + +/** + * g_stpcpy: + * @dest: destination buffer. + * @src: source string. + * + * Copies a nul-terminated string into the dest buffer, include the + * trailing nul, and return a pointer to the trailing nul byte. + * This is useful for concatenating multiple strings together + * without having to repeatedly scan for the end. + * + * Return value: a pointer to trailing nul byte. + **/ +gchar * +g_stpcpy (gchar *dest, + const gchar *src) +{ +#ifdef HAVE_STPCPY + g_return_val_if_fail (dest != NULL, NULL); + g_return_val_if_fail (src != NULL, NULL); + return stpcpy (dest, src); +#else + register gchar *d = dest; + register const gchar *s = src; + + g_return_val_if_fail (dest != NULL, NULL); + g_return_val_if_fail (src != NULL, NULL); + do + *d++ = *s; + while (*s++ != '\0'); + + return d - 1; +#endif +} + +/** + * g_strdup_vprintf: + * @format: a standard printf() format string, but notice + * string precision pitfalls + * @args: the list of parameters to insert into the format string + * + * Similar to the standard C vsprintf() function but safer, since it + * calculates the maximum space required and allocates memory to hold + * the result. The returned string should be freed with g_free() when + * no longer needed. + * + * See also g_vasprintf(), which offers the same functionality, but + * additionally returns the length of the allocated string. + * + * Returns: a newly-allocated string holding the result + */ +gchar* +g_strdup_vprintf (const gchar *format, + va_list args) +{ + gchar *string = NULL; + + g_vasprintf (&string, format, args); + + return string; +} + +/** + * g_strdup_printf: + * @format: a standard printf() format string, but notice + * string precision pitfalls + * @...: the parameters to insert into the format string + * + * Similar to the standard C sprintf() function but safer, since it + * calculates the maximum space required and allocates memory to hold + * the result. The returned string should be freed with g_free() when no + * longer needed. + * + * Returns: a newly-allocated string holding the result + */ +gchar* +g_strdup_printf (const gchar *format, + ...) +{ + gchar *buffer; + va_list args; + + va_start (args, format); + buffer = g_strdup_vprintf (format, args); + va_end (args); + + return buffer; +} + +/** + * g_strconcat: + * @string1: the first string to add, which must not be %NULL + * @...: a %NULL-terminated list of strings to append to the string + * + * Concatenates all of the given strings into one long string. + * The returned string should be freed with g_free() when no longer needed. + * + * Note that this function is usually not the right function to use to + * assemble a translated message from pieces, since proper translation + * often requires the pieces to be reordered. + * + * The variable argument list must end + * with %NULL. If you forget the %NULL, g_strconcat() will start appending + * random memory junk to your string. + * + * Returns: a newly-allocated string containing all the string arguments + */ +gchar* +g_strconcat (const gchar *string1, ...) +{ + gsize l; + va_list args; + gchar *s; + gchar *concat; + gchar *ptr; + + if (!string1) + return NULL; + + l = 1 + strlen (string1); + va_start (args, string1); + s = va_arg (args, gchar*); + while (s) + { + l += strlen (s); + s = va_arg (args, gchar*); + } + va_end (args); + + concat = g_new (gchar, l); + ptr = concat; + + ptr = g_stpcpy (ptr, string1); + va_start (args, string1); + s = va_arg (args, gchar*); + while (s) + { + ptr = g_stpcpy (ptr, s); + s = va_arg (args, gchar*); + } + va_end (args); + + return concat; +} + +/** + * g_strtod: + * @nptr: the string to convert to a numeric value. + * @endptr: if non-%NULL, it returns the character after + * the last character used in the conversion. + * + * Converts a string to a #gdouble value. + * It calls the standard strtod() function to handle the conversion, but + * if the string is not completely converted it attempts the conversion + * again with g_ascii_strtod(), and returns the best match. + * + * This function should seldom be used. The normal situation when reading + * numbers not for human consumption is to use g_ascii_strtod(). Only when + * you know that you must expect both locale formatted and C formatted numbers + * should you use this. Make sure that you don't pass strings such as comma + * separated lists of values, since the commas may be interpreted as a decimal + * point in some locales, causing unexpected results. + * + * Return value: the #gdouble value. + **/ +gdouble +g_strtod (const gchar *nptr, + gchar **endptr) +{ + gchar *fail_pos_1; + gchar *fail_pos_2; + gdouble val_1; + gdouble val_2 = 0; + + g_return_val_if_fail (nptr != NULL, 0); + + fail_pos_1 = NULL; + fail_pos_2 = NULL; + + val_1 = strtod (nptr, &fail_pos_1); + + if (fail_pos_1 && fail_pos_1[0] != 0) + val_2 = g_ascii_strtod (nptr, &fail_pos_2); + + if (!fail_pos_1 || fail_pos_1[0] == 0 || fail_pos_1 >= fail_pos_2) + { + if (endptr) + *endptr = fail_pos_1; + return val_1; + } + else + { + if (endptr) + *endptr = fail_pos_2; + return val_2; + } +} + +/** + * g_ascii_strtod: + * @nptr: the string to convert to a numeric value. + * @endptr: if non-%NULL, it returns the character after + * the last character used in the conversion. + * + * Converts a string to a #gdouble value. + * + * This function behaves like the standard strtod() function + * does in the C locale. It does this without actually changing + * the current locale, since that would not be thread-safe. + * A limitation of the implementation is that this function + * will still accept localized versions of infinities and NANs. + * + * This function is typically used when reading configuration + * files or other non-user input that should be locale independent. + * To handle input from the user you should normally use the + * locale-sensitive system strtod() function. + * + * To convert from a #gdouble to a string in a locale-insensitive + * way, use g_ascii_dtostr(). + * + * If the correct value would cause overflow, plus or minus %HUGE_VAL + * is returned (according to the sign of the value), and %ERANGE is + * stored in %errno. If the correct value would cause underflow, + * zero is returned and %ERANGE is stored in %errno. + * + * This function resets %errno before calling strtod() so that + * you can reliably detect overflow and underflow. + * + * Return value: the #gdouble value. + **/ +gdouble +g_ascii_strtod (const gchar *nptr, + gchar **endptr) +{ + gchar *fail_pos; + gdouble val; + struct lconv *locale_data; + const char *decimal_point; + int decimal_point_len; + const char *p, *decimal_point_pos; + const char *end = NULL; /* Silence gcc */ + int strtod_errno; + + g_return_val_if_fail (nptr != NULL, 0); + + fail_pos = NULL; + + locale_data = localeconv (); + decimal_point = locale_data->decimal_point; + decimal_point_len = strlen (decimal_point); + + g_assert (decimal_point_len != 0); + + decimal_point_pos = NULL; + end = NULL; + + if (decimal_point[0] != '.' || + decimal_point[1] != 0) + { + p = nptr; + /* Skip leading space */ + while (g_ascii_isspace (*p)) + p++; + + /* Skip leading optional sign */ + if (*p == '+' || *p == '-') + p++; + + if (p[0] == '0' && + (p[1] == 'x' || p[1] == 'X')) + { + p += 2; + /* HEX - find the (optional) decimal point */ + + while (g_ascii_isxdigit (*p)) + p++; + + if (*p == '.') + decimal_point_pos = p++; + + while (g_ascii_isxdigit (*p)) + p++; + + if (*p == 'p' || *p == 'P') + p++; + if (*p == '+' || *p == '-') + p++; + while (g_ascii_isdigit (*p)) + p++; + + end = p; + } + else if (g_ascii_isdigit (*p) || *p == '.') + { + while (g_ascii_isdigit (*p)) + p++; + + if (*p == '.') + decimal_point_pos = p++; + + while (g_ascii_isdigit (*p)) + p++; + + if (*p == 'e' || *p == 'E') + p++; + if (*p == '+' || *p == '-') + p++; + while (g_ascii_isdigit (*p)) + p++; + + end = p; + } + /* For the other cases, we need not convert the decimal point */ + } + + if (decimal_point_pos) + { + char *copy, *c; + + /* We need to convert the '.' to the locale specific decimal point */ + copy = g_malloc (end - nptr + 1 + decimal_point_len); + + c = copy; + memcpy (c, nptr, decimal_point_pos - nptr); + c += decimal_point_pos - nptr; + memcpy (c, decimal_point, decimal_point_len); + c += decimal_point_len; + memcpy (c, decimal_point_pos + 1, end - (decimal_point_pos + 1)); + c += end - (decimal_point_pos + 1); + *c = 0; + + errno = 0; + val = strtod (copy, &fail_pos); + strtod_errno = errno; + + if (fail_pos) + { + if (fail_pos - copy > decimal_point_pos - nptr) + fail_pos = (char *)nptr + (fail_pos - copy) - (decimal_point_len - 1); + else + fail_pos = (char *)nptr + (fail_pos - copy); + } + + g_free (copy); + + } + else if (end) + { + char *copy; + + copy = g_malloc (end - (char *)nptr + 1); + memcpy (copy, nptr, end - nptr); + *(copy + (end - (char *)nptr)) = 0; + + errno = 0; + val = strtod (copy, &fail_pos); + strtod_errno = errno; + + if (fail_pos) + { + fail_pos = (char *)nptr + (fail_pos - copy); + } + + g_free (copy); + } + else + { + errno = 0; + val = strtod (nptr, &fail_pos); + strtod_errno = errno; + } + + if (endptr) + *endptr = fail_pos; + + errno = strtod_errno; + + return val; +} + + +/** + * g_ascii_dtostr: + * @buffer: A buffer to place the resulting string in + * @buf_len: The length of the buffer. + * @d: The #gdouble to convert + * + * Converts a #gdouble to a string, using the '.' as + * decimal point. + * + * This functions generates enough precision that converting + * the string back using g_ascii_strtod() gives the same machine-number + * (on machines with IEEE compatible 64bit doubles). It is + * guaranteed that the size of the resulting string will never + * be larger than @G_ASCII_DTOSTR_BUF_SIZE bytes. + * + * Return value: The pointer to the buffer with the converted string. + **/ +gchar * +g_ascii_dtostr (gchar *buffer, + gint buf_len, + gdouble d) +{ + return g_ascii_formatd (buffer, buf_len, "%.17g", d); +} + +/** + * g_ascii_formatd: + * @buffer: A buffer to place the resulting string in + * @buf_len: The length of the buffer. + * @format: The printf()-style format to use for the + * code to use for converting. + * @d: The #gdouble to convert + * + * Converts a #gdouble to a string, using the '.' as + * decimal point. To format the number you pass in + * a printf()-style format string. Allowed conversion + * specifiers are 'e', 'E', 'f', 'F', 'g' and 'G'. + * + * If you just want to want to serialize the value into a + * string, use g_ascii_dtostr(). + * + * Return value: The pointer to the buffer with the converted string. + */ +gchar * +g_ascii_formatd (gchar *buffer, + gint buf_len, + const gchar *format, + gdouble d) +{ + struct lconv *locale_data; + const char *decimal_point; + int decimal_point_len; + gchar *p; + int rest_len; + gchar format_char; + + g_return_val_if_fail (buffer != NULL, NULL); + g_return_val_if_fail (format[0] == '%', NULL); + g_return_val_if_fail (strpbrk (format + 1, "'l%") == NULL, NULL); + + format_char = format[strlen (format) - 1]; + + g_return_val_if_fail (format_char == 'e' || format_char == 'E' || + format_char == 'f' || format_char == 'F' || + format_char == 'g' || format_char == 'G', + NULL); + + if (format[0] != '%') + return NULL; + + if (strpbrk (format + 1, "'l%")) + return NULL; + + if (!(format_char == 'e' || format_char == 'E' || + format_char == 'f' || format_char == 'F' || + format_char == 'g' || format_char == 'G')) + return NULL; + + _g_snprintf (buffer, buf_len, format, d); + + locale_data = localeconv (); + decimal_point = locale_data->decimal_point; + decimal_point_len = strlen (decimal_point); + + g_assert (decimal_point_len != 0); + + if (decimal_point[0] != '.' || + decimal_point[1] != 0) + { + p = buffer; + + while (g_ascii_isspace (*p)) + p++; + + if (*p == '+' || *p == '-') + p++; + + while (isdigit ((guchar)*p)) + p++; + + if (strncmp (p, decimal_point, decimal_point_len) == 0) + { + *p = '.'; + p++; + if (decimal_point_len > 1) + { + rest_len = strlen (p + (decimal_point_len-1)); + memmove (p, p + (decimal_point_len-1), rest_len); + p[rest_len] = 0; + } + } + } + + return buffer; +} + +static guint64 +g_parse_long_long (const gchar *nptr, + const gchar **endptr, + guint base, + gboolean *negative) +{ + /* this code is based on on the strtol(3) code from GNU libc released under + * the GNU Lesser General Public License. + * + * Copyright (C) 1991,92,94,95,96,97,98,99,2000,01,02 + * Free Software Foundation, Inc. + */ +#define ISSPACE(c) ((c) == ' ' || (c) == '\f' || (c) == '\n' || \ + (c) == '\r' || (c) == '\t' || (c) == '\v') +#define ISUPPER(c) ((c) >= 'A' && (c) <= 'Z') +#define ISLOWER(c) ((c) >= 'a' && (c) <= 'z') +#define ISALPHA(c) (ISUPPER (c) || ISLOWER (c)) +#define TOUPPER(c) (ISLOWER (c) ? (c) - 'a' + 'A' : (c)) +#define TOLOWER(c) (ISUPPER (c) ? (c) - 'A' + 'a' : (c)) + gboolean overflow; + guint64 cutoff; + guint64 cutlim; + guint64 ui64; + const gchar *s, *save; + guchar c; + + g_return_val_if_fail (nptr != NULL, 0); + + *negative = FALSE; + if (base == 1 || base > 36) + { + errno = EINVAL; + if (endptr) + *endptr = nptr; + return 0; + } + + save = s = nptr; + + /* Skip white space. */ + while (ISSPACE (*s)) + ++s; + + if (G_UNLIKELY (!*s)) + goto noconv; + + /* Check for a sign. */ + if (*s == '-') + { + *negative = TRUE; + ++s; + } + else if (*s == '+') + ++s; + + /* Recognize number prefix and if BASE is zero, figure it out ourselves. */ + if (*s == '0') + { + if ((base == 0 || base == 16) && TOUPPER (s[1]) == 'X') + { + s += 2; + base = 16; + } + else if (base == 0) + base = 8; + } + else if (base == 0) + base = 10; + + /* Save the pointer so we can check later if anything happened. */ + save = s; + cutoff = G_MAXUINT64 / base; + cutlim = G_MAXUINT64 % base; + + overflow = FALSE; + ui64 = 0; + c = *s; + for (; c; c = *++s) + { + if (c >= '0' && c <= '9') + c -= '0'; + else if (ISALPHA (c)) + c = TOUPPER (c) - 'A' + 10; + else + break; + if (c >= base) + break; + /* Check for overflow. */ + if (ui64 > cutoff || (ui64 == cutoff && c > cutlim)) + overflow = TRUE; + else + { + ui64 *= base; + ui64 += c; + } + } + + /* Check if anything actually happened. */ + if (s == save) + goto noconv; + + /* Store in ENDPTR the address of one character + past the last character we converted. */ + if (endptr) + *endptr = s; + + if (G_UNLIKELY (overflow)) + { + errno = ERANGE; + return G_MAXUINT64; + } + + return ui64; + + noconv: + /* We must handle a special case here: the base is 0 or 16 and the + first two characters are '0' and 'x', but the rest are no + hexadecimal digits. This is no error case. We return 0 and + ENDPTR points to the `x`. */ + if (endptr) + { + if (save - nptr >= 2 && TOUPPER (save[-1]) == 'X' + && save[-2] == '0') + *endptr = &save[-1]; + else + /* There was no number to convert. */ + *endptr = nptr; + } + return 0; +} + +/** + * g_ascii_strtoull: + * @nptr: the string to convert to a numeric value. + * @endptr: if non-%NULL, it returns the character after + * the last character used in the conversion. + * @base: to be used for the conversion, 2..36 or 0 + * + * Converts a string to a #guint64 value. + * This function behaves like the standard strtoull() function + * does in the C locale. It does this without actually + * changing the current locale, since that would not be + * thread-safe. + * + * This function is typically used when reading configuration + * files or other non-user input that should be locale independent. + * To handle input from the user you should normally use the + * locale-sensitive system strtoull() function. + * + * If the correct value would cause overflow, %G_MAXUINT64 + * is returned, and %ERANGE is stored in %errno. If the base is + * outside the valid range, zero is returned, and %EINVAL is stored + * in %errno. If the string conversion fails, zero is returned, and + * @endptr returns @nptr (if @endptr is non-%NULL). + * + * Return value: the #guint64 value or zero on error. + * + * Since: 2.2 + */ +guint64 +g_ascii_strtoull (const gchar *nptr, + gchar **endptr, + guint base) +{ + gboolean negative; + guint64 result; + + result = g_parse_long_long (nptr, (const gchar **) endptr, base, &negative); + + /* Return the result of the appropriate sign. */ + return negative ? -result : result; +} + +/** + * g_ascii_strtoll: + * @nptr: the string to convert to a numeric value. + * @endptr: if non-%NULL, it returns the character after + * the last character used in the conversion. + * @base: to be used for the conversion, 2..36 or 0 + * + * Converts a string to a #gint64 value. + * This function behaves like the standard strtoll() function + * does in the C locale. It does this without actually + * changing the current locale, since that would not be + * thread-safe. + * + * This function is typically used when reading configuration + * files or other non-user input that should be locale independent. + * To handle input from the user you should normally use the + * locale-sensitive system strtoll() function. + * + * If the correct value would cause overflow, %G_MAXINT64 or %G_MININT64 + * is returned, and %ERANGE is stored in %errno. If the base is + * outside the valid range, zero is returned, and %EINVAL is stored + * in %errno. If the string conversion fails, zero is returned, and + * @endptr returns @nptr (if @endptr is non-%NULL). + * + * Return value: the #gint64 value or zero on error. + * + * Since: 2.12 + */ +gint64 +g_ascii_strtoll (const gchar *nptr, + gchar **endptr, + guint base) +{ + gboolean negative; + guint64 result; + + result = g_parse_long_long (nptr, (const gchar **) endptr, base, &negative); + + if (negative && result > (guint64) G_MININT64) + { + errno = ERANGE; + return G_MININT64; + } + else if (!negative && result > (guint64) G_MAXINT64) + { + errno = ERANGE; + return G_MAXINT64; + } + else if (negative) + return - (gint64) result; + else + return (gint64) result; +} + +/** + * g_strerror: + * @errnum: the system error number. See the standard C %errno + * documentation + * + * Returns a string corresponding to the given error code, e.g. + * "no such process". You should use this function in preference to + * strerror(), because it returns a string in UTF-8 encoding, and since + * not all platforms support the strerror() function. + * + * Returns: a UTF-8 string describing the error code. If the error code + * is unknown, it returns "unknown error (<code>)". The string + * can only be used until the next call to g_strerror() + */ +const gchar * +g_strerror (gint errnum) +{ + static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT; + char *msg; + int saved_errno = errno; + +#ifdef HAVE_STRERROR + const char *msg_locale; + + msg_locale = strerror (errnum); + errno = saved_errno; + return msg_locale; +#elif NO_SYS_ERRLIST + switch (errnum) + { +#ifdef E2BIG + case E2BIG: return "argument list too long"; +#endif +#ifdef EACCES + case EACCES: return "permission denied"; +#endif +#ifdef EADDRINUSE + case EADDRINUSE: return "address already in use"; +#endif +#ifdef EADDRNOTAVAIL + case EADDRNOTAVAIL: return "can't assign requested address"; +#endif +#ifdef EADV + case EADV: return "advertise error"; +#endif +#ifdef EAFNOSUPPORT + case EAFNOSUPPORT: return "address family not supported by protocol family"; +#endif +#ifdef EAGAIN + case EAGAIN: return "try again"; +#endif +#ifdef EALIGN + case EALIGN: return "EALIGN"; +#endif +#ifdef EALREADY + case EALREADY: return "operation already in progress"; +#endif +#ifdef EBADE + case EBADE: return "bad exchange descriptor"; +#endif +#ifdef EBADF + case EBADF: return "bad file number"; +#endif +#ifdef EBADFD + case EBADFD: return "file descriptor in bad state"; +#endif +#ifdef EBADMSG + case EBADMSG: return "not a data message"; +#endif +#ifdef EBADR + case EBADR: return "bad request descriptor"; +#endif +#ifdef EBADRPC + case EBADRPC: return "RPC structure is bad"; +#endif +#ifdef EBADRQC + case EBADRQC: return "bad request code"; +#endif +#ifdef EBADSLT + case EBADSLT: return "invalid slot"; +#endif +#ifdef EBFONT + case EBFONT: return "bad font file format"; +#endif +#ifdef EBUSY + case EBUSY: return "mount device busy"; +#endif +#ifdef ECHILD + case ECHILD: return "no children"; +#endif +#ifdef ECHRNG + case ECHRNG: return "channel number out of range"; +#endif +#ifdef ECOMM + case ECOMM: return "communication error on send"; +#endif +#ifdef ECONNABORTED + case ECONNABORTED: return "software caused connection abort"; +#endif +#ifdef ECONNREFUSED + case ECONNREFUSED: return "connection refused"; +#endif +#ifdef ECONNRESET + case ECONNRESET: return "connection reset by peer"; +#endif +#if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK)) + case EDEADLK: return "resource deadlock avoided"; +#endif +#if defined(EDEADLOCK) && (!defined(EDEADLK) || (EDEADLOCK != EDEADLK)) + case EDEADLOCK: return "resource deadlock avoided"; +#endif +#ifdef EDESTADDRREQ + case EDESTADDRREQ: return "destination address required"; +#endif +#ifdef EDIRTY + case EDIRTY: return "mounting a dirty fs w/o force"; +#endif +#ifdef EDOM + case EDOM: return "math argument out of range"; +#endif +#ifdef EDOTDOT + case EDOTDOT: return "cross mount point"; +#endif +#ifdef EDQUOT + case EDQUOT: return "disk quota exceeded"; +#endif +#ifdef EDUPPKG + case EDUPPKG: return "duplicate package name"; +#endif +#ifdef EEXIST + case EEXIST: return "file already exists"; +#endif +#ifdef EFAULT + case EFAULT: return "bad address in system call argument"; +#endif +#ifdef EFBIG + case EFBIG: return "file too large"; +#endif +#ifdef EHOSTDOWN + case EHOSTDOWN: return "host is down"; +#endif +#ifdef EHOSTUNREACH + case EHOSTUNREACH: return "host is unreachable"; +#endif +#ifdef EIDRM + case EIDRM: return "identifier removed"; +#endif +#ifdef EINIT + case EINIT: return "initialization error"; +#endif +#ifdef EINPROGRESS + case EINPROGRESS: return "operation now in progress"; +#endif +#ifdef EINTR + case EINTR: return "interrupted system call"; +#endif +#ifdef EINVAL + case EINVAL: return "invalid argument"; +#endif +#ifdef EIO + case EIO: return "I/O error"; +#endif +#ifdef EISCONN + case EISCONN: return "socket is already connected"; +#endif +#ifdef EISDIR + case EISDIR: return "is a directory"; +#endif +#ifdef EISNAME + case EISNAM: return "is a name file"; +#endif +#ifdef ELBIN + case ELBIN: return "ELBIN"; +#endif +#ifdef EL2HLT + case EL2HLT: return "level 2 halted"; +#endif +#ifdef EL2NSYNC + case EL2NSYNC: return "level 2 not synchronized"; +#endif +#ifdef EL3HLT + case EL3HLT: return "level 3 halted"; +#endif +#ifdef EL3RST + case EL3RST: return "level 3 reset"; +#endif +#ifdef ELIBACC + case ELIBACC: return "can not access a needed shared library"; +#endif +#ifdef ELIBBAD + case ELIBBAD: return "accessing a corrupted shared library"; +#endif +#ifdef ELIBEXEC + case ELIBEXEC: return "can not exec a shared library directly"; +#endif +#ifdef ELIBMAX + case ELIBMAX: return "attempting to link in more shared libraries than system limit"; +#endif +#ifdef ELIBSCN + case ELIBSCN: return ".lib section in a.out corrupted"; +#endif +#ifdef ELNRNG + case ELNRNG: return "link number out of range"; +#endif +#ifdef ELOOP + case ELOOP: return "too many levels of symbolic links"; +#endif +#ifdef EMFILE + case EMFILE: return "too many open files"; +#endif +#ifdef EMLINK + case EMLINK: return "too many links"; +#endif +#ifdef EMSGSIZE + case EMSGSIZE: return "message too long"; +#endif +#ifdef EMULTIHOP + case EMULTIHOP: return "multihop attempted"; +#endif +#ifdef ENAMETOOLONG + case ENAMETOOLONG: return "file name too long"; +#endif +#ifdef ENAVAIL + case ENAVAIL: return "not available"; +#endif +#ifdef ENET + case ENET: return "ENET"; +#endif +#ifdef ENETDOWN + case ENETDOWN: return "network is down"; +#endif +#ifdef ENETRESET + case ENETRESET: return "network dropped connection on reset"; +#endif +#ifdef ENETUNREACH + case ENETUNREACH: return "network is unreachable"; +#endif +#ifdef ENFILE + case ENFILE: return "file table overflow"; +#endif +#ifdef ENOANO + case ENOANO: return "anode table overflow"; +#endif +#if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR)) + case ENOBUFS: return "no buffer space available"; +#endif +#ifdef ENOCSI + case ENOCSI: return "no CSI structure available"; +#endif +#ifdef ENODATA + case ENODATA: return "no data available"; +#endif +#ifdef ENODEV + case ENODEV: return "no such device"; +#endif +#ifdef ENOENT + case ENOENT: return "no such file or directory"; +#endif +#ifdef ENOEXEC + case ENOEXEC: return "exec format error"; +#endif +#ifdef ENOLCK + case ENOLCK: return "no locks available"; +#endif +#ifdef ENOLINK + case ENOLINK: return "link has be severed"; +#endif +#ifdef ENOMEM + case ENOMEM: return "not enough memory"; +#endif +#ifdef ENOMSG + case ENOMSG: return "no message of desired type"; +#endif +#ifdef ENONET + case ENONET: return "machine is not on the network"; +#endif +#ifdef ENOPKG + case ENOPKG: return "package not installed"; +#endif +#ifdef ENOPROTOOPT + case ENOPROTOOPT: return "bad proocol option"; +#endif +#ifdef ENOSPC + case ENOSPC: return "no space left on device"; +#endif +#ifdef ENOSR + case ENOSR: return "out of stream resources"; +#endif +#ifdef ENOSTR + case ENOSTR: return "not a stream device"; +#endif +#ifdef ENOSYM + case ENOSYM: return "unresolved symbol name"; +#endif +#ifdef ENOSYS + case ENOSYS: return "function not implemented"; +#endif +#ifdef ENOTBLK + case ENOTBLK: return "block device required"; +#endif +#ifdef ENOTCONN + case ENOTCONN: return "socket is not connected"; +#endif +#ifdef ENOTDIR + case ENOTDIR: return "not a directory"; +#endif +#ifdef ENOTEMPTY + case ENOTEMPTY: return "directory not empty"; +#endif +#ifdef ENOTNAM + case ENOTNAM: return "not a name file"; +#endif +#ifdef ENOTSOCK + case ENOTSOCK: return "socket operation on non-socket"; +#endif +#ifdef ENOTTY + case ENOTTY: return "inappropriate device for ioctl"; +#endif +#ifdef ENOTUNIQ + case ENOTUNIQ: return "name not unique on network"; +#endif +#ifdef ENXIO + case ENXIO: return "no such device or address"; +#endif +#ifdef EOPNOTSUPP + case EOPNOTSUPP: return "operation not supported on socket"; +#endif +#ifdef EPERM + case EPERM: return "not owner"; +#endif +#ifdef EPFNOSUPPORT + case EPFNOSUPPORT: return "protocol family not supported"; +#endif +#ifdef EPIPE + case EPIPE: return "broken pipe"; +#endif +#ifdef EPROCLIM + case EPROCLIM: return "too many processes"; +#endif +#ifdef EPROCUNAVAIL + case EPROCUNAVAIL: return "bad procedure for program"; +#endif +#ifdef EPROGMISMATCH + case EPROGMISMATCH: return "program version wrong"; +#endif +#ifdef EPROGUNAVAIL + case EPROGUNAVAIL: return "RPC program not available"; +#endif +#ifdef EPROTO + case EPROTO: return "protocol error"; +#endif +#ifdef EPROTONOSUPPORT + case EPROTONOSUPPORT: return "protocol not suppored"; +#endif +#ifdef EPROTOTYPE + case EPROTOTYPE: return "protocol wrong type for socket"; +#endif +#ifdef ERANGE + case ERANGE: return "math result unrepresentable"; +#endif +#if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED)) + case EREFUSED: return "EREFUSED"; +#endif +#ifdef EREMCHG + case EREMCHG: return "remote address changed"; +#endif +#ifdef EREMDEV + case EREMDEV: return "remote device"; +#endif +#ifdef EREMOTE + case EREMOTE: return "pathname hit remote file system"; +#endif +#ifdef EREMOTEIO + case EREMOTEIO: return "remote i/o error"; +#endif +#ifdef EREMOTERELEASE + case EREMOTERELEASE: return "EREMOTERELEASE"; +#endif +#ifdef EROFS + case EROFS: return "read-only file system"; +#endif +#ifdef ERPCMISMATCH + case ERPCMISMATCH: return "RPC version is wrong"; +#endif +#ifdef ERREMOTE + case ERREMOTE: return "object is remote"; +#endif +#ifdef ESHUTDOWN + case ESHUTDOWN: return "can't send afer socket shutdown"; +#endif +#ifdef ESOCKTNOSUPPORT + case ESOCKTNOSUPPORT: return "socket type not supported"; +#endif +#ifdef ESPIPE + case ESPIPE: return "invalid seek"; +#endif +#ifdef ESRCH + case ESRCH: return "no such process"; +#endif +#ifdef ESRMNT + case ESRMNT: return "srmount error"; +#endif +#ifdef ESTALE + case ESTALE: return "stale remote file handle"; +#endif +#ifdef ESUCCESS + case ESUCCESS: return "Error 0"; +#endif +#ifdef ETIME + case ETIME: return "timer expired"; +#endif +#ifdef ETIMEDOUT + case ETIMEDOUT: return "connection timed out"; +#endif +#ifdef ETOOMANYREFS + case ETOOMANYREFS: return "too many references: can't splice"; +#endif +#ifdef ETXTBSY + case ETXTBSY: return "text file or pseudo-device busy"; +#endif +#ifdef EUCLEAN + case EUCLEAN: return "structure needs cleaning"; +#endif +#ifdef EUNATCH + case EUNATCH: return "protocol driver not attached"; +#endif +#ifdef EUSERS + case EUSERS: return "too many users"; +#endif +#ifdef EVERSION + case EVERSION: return "version mismatch"; +#endif +#if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN)) + case EWOULDBLOCK: return "operation would block"; +#endif +#ifdef EXDEV + case EXDEV: return "cross-domain link"; +#endif +#ifdef EXFULL + case EXFULL: return "message tables full"; +#endif + } +#else /* NO_SYS_ERRLIST */ + extern int sys_nerr; + extern char *sys_errlist[]; + + if ((errnum > 0) && (errnum <= sys_nerr)) + return sys_errlist [errnum]; +#endif /* NO_SYS_ERRLIST */ + + msg = g_static_private_get (&msg_private); + if (!msg) + { + msg = g_new (gchar, 64); + g_static_private_set (&msg_private, msg, g_free); + } + + _g_sprintf (msg, "unknown error (%d)", errnum); + + errno = saved_errno; + return msg; +} + +/** + * g_strsignal: + * @signum: the signal number. See the signal + * documentation + * + * Returns a string describing the given signal, e.g. "Segmentation fault". + * You should use this function in preference to strsignal(), because it + * returns a string in UTF-8 encoding, and since not all platforms support + * the strsignal() function. + * + * Returns: a UTF-8 string describing the signal. If the signal is unknown, + * it returns "unknown signal (<signum>)". The string can only be + * used until the next call to g_strsignal() + */ +const gchar * +g_strsignal (gint signum) +{ + static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT; + char *msg; + +#ifdef HAVE_STRSIGNAL + const char *msg_locale; + +#if defined(G_OS_BEOS) || defined(G_WITH_CYGWIN) +extern const char *strsignal(int); +#else + /* this is declared differently (const) in string.h on BeOS */ + extern char *strsignal (int sig); +#endif /* !G_OS_BEOS && !G_WITH_CYGWIN */ + msg_locale = strsignal (signum); + return msg_locale; +#elif NO_SYS_SIGLIST + switch (signum) + { +#ifdef SIGHUP + case SIGHUP: return "Hangup"; +#endif +#ifdef SIGINT + case SIGINT: return "Interrupt"; +#endif +#ifdef SIGQUIT + case SIGQUIT: return "Quit"; +#endif +#ifdef SIGILL + case SIGILL: return "Illegal instruction"; +#endif +#ifdef SIGTRAP + case SIGTRAP: return "Trace/breakpoint trap"; +#endif +#ifdef SIGABRT + case SIGABRT: return "IOT trap/Abort"; +#endif +#ifdef SIGBUS + case SIGBUS: return "Bus error"; +#endif +#ifdef SIGFPE + case SIGFPE: return "Floating point exception"; +#endif +#ifdef SIGKILL + case SIGKILL: return "Killed"; +#endif +#ifdef SIGUSR1 + case SIGUSR1: return "User defined signal 1"; +#endif +#ifdef SIGSEGV + case SIGSEGV: return "Segmentation fault"; +#endif +#ifdef SIGUSR2 + case SIGUSR2: return "User defined signal 2"; +#endif +#ifdef SIGPIPE + case SIGPIPE: return "Broken pipe"; +#endif +#ifdef SIGALRM + case SIGALRM: return "Alarm clock"; +#endif +#ifdef SIGTERM + case SIGTERM: return "Terminated"; +#endif +#ifdef SIGSTKFLT + case SIGSTKFLT: return "Stack fault"; +#endif +#ifdef SIGCHLD + case SIGCHLD: return "Child exited"; +#endif +#ifdef SIGCONT + case SIGCONT: return "Continued"; +#endif +#ifdef SIGSTOP + case SIGSTOP: return "Stopped (signal)"; +#endif +#ifdef SIGTSTP + case SIGTSTP: return "Stopped"; +#endif +#ifdef SIGTTIN + case SIGTTIN: return "Stopped (tty input)"; +#endif +#ifdef SIGTTOU + case SIGTTOU: return "Stopped (tty output)"; +#endif +#ifdef SIGURG + case SIGURG: return "Urgent condition"; +#endif +#ifdef SIGXCPU + case SIGXCPU: return "CPU time limit exceeded"; +#endif +#ifdef SIGXFSZ + case SIGXFSZ: return "File size limit exceeded"; +#endif +#ifdef SIGVTALRM + case SIGVTALRM: return "Virtual time alarm"; +#endif +#ifdef SIGPROF + case SIGPROF: return "Profile signal"; +#endif +#ifdef SIGWINCH + case SIGWINCH: return "Window size changed"; +#endif +#ifdef SIGIO + case SIGIO: return "Possible I/O"; +#endif +#ifdef SIGPWR + case SIGPWR: return "Power failure"; +#endif +#ifdef SIGUNUSED + case SIGUNUSED: return "Unused signal"; +#endif + } +#else /* NO_SYS_SIGLIST */ + +#ifdef NO_SYS_SIGLIST_DECL + extern char *sys_siglist[]; /*(see Tue Jan 19 00:44:24 1999 in changelog)*/ +#endif + + return (char*) /* this function should return const --josh */ sys_siglist [signum]; +#endif /* NO_SYS_SIGLIST */ + + msg = g_static_private_get (&msg_private); + if (!msg) + { + msg = g_new (gchar, 64); + g_static_private_set (&msg_private, msg, g_free); + } + + _g_sprintf (msg, "unknown signal (%d)", signum); + + return msg; +} + +/* Functions g_strlcpy and g_strlcat were originally developed by + * Todd C. Miller to simplify writing secure code. + * See ftp://ftp.openbsd.org/pub/OpenBSD/src/lib/libc/string/strlcpy.3 + * for more information. + */ + +#ifdef HAVE_STRLCPY +/* Use the native ones, if available; they might be implemented in assembly */ +gsize +g_strlcpy (gchar *dest, + const gchar *src, + gsize dest_size) +{ + g_return_val_if_fail (dest != NULL, 0); + g_return_val_if_fail (src != NULL, 0); + + return strlcpy (dest, src, dest_size); +} + +gsize +g_strlcat (gchar *dest, + const gchar *src, + gsize dest_size) +{ + g_return_val_if_fail (dest != NULL, 0); + g_return_val_if_fail (src != NULL, 0); + + return strlcat (dest, src, dest_size); +} + +#else /* ! HAVE_STRLCPY */ +/** + * g_strlcpy: + * @dest: destination buffer + * @src: source buffer + * @dest_size: length of @dest in bytes + * + * Portability wrapper that calls strlcpy() on systems which have it, + * and emulates strlcpy() otherwise. Copies @src to @dest; @dest is + * guaranteed to be nul-terminated; @src must be nul-terminated; + * @dest_size is the buffer size, not the number of chars to copy. + * + * At most dest_size - 1 characters will be copied. Always nul-terminates + * (unless dest_size == 0). This function does not + * allocate memory. Unlike strncpy(), this function doesn't pad dest (so + * it's often faster). It returns the size of the attempted result, + * strlen (src), so if @retval >= @dest_size, truncation occurred. + * + * Caveat: strlcpy() is supposedly more secure than + * strcpy() or strncpy(), but if you really want to avoid screwups, + * g_strdup() is an even better idea. + * + * Returns: length of @src + */ +gsize +g_strlcpy (gchar *dest, + const gchar *src, + gsize dest_size) +{ + register gchar *d = dest; + register const gchar *s = src; + register gsize n = dest_size; + + g_return_val_if_fail (dest != NULL, 0); + g_return_val_if_fail (src != NULL, 0); + + /* Copy as many bytes as will fit */ + if (n != 0 && --n != 0) + do + { + register gchar c = *s++; + + *d++ = c; + if (c == 0) + break; + } + while (--n != 0); + + /* If not enough room in dest, add NUL and traverse rest of src */ + if (n == 0) + { + if (dest_size != 0) + *d = 0; + while (*s++) + ; + } + + return s - src - 1; /* count does not include NUL */ +} + +/** + * g_strlcat: + * @dest: destination buffer, already containing one nul-terminated string + * @src: source buffer + * @dest_size: length of @dest buffer in bytes (not length of existing string + * inside @dest) + * + * Portability wrapper that calls strlcat() on systems which have it, + * and emulates it otherwise. Appends nul-terminated @src string to @dest, + * guaranteeing nul-termination for @dest. The total size of @dest won't + * exceed @dest_size. + * + * At most dest_size - 1 characters will be copied. + * Unlike strncat, dest_size is the full size of dest, not the space left over. + * This function does NOT allocate memory. + * This always NUL terminates (unless siz == 0 or there were no NUL characters + * in the dest_size characters of dest to start with). + * + * Caveat: this is supposedly a more secure alternative to + * strcat() or strncat(), but for real security g_strconcat() is harder + * to mess up. + * + * Returns: size of attempted result, which is MIN (dest_size, strlen + * (original dest)) + strlen (src), so if retval >= dest_size, + * truncation occurred. + **/ +gsize +g_strlcat (gchar *dest, + const gchar *src, + gsize dest_size) +{ + register gchar *d = dest; + register const gchar *s = src; + register gsize bytes_left = dest_size; + gsize dlength; /* Logically, MIN (strlen (d), dest_size) */ + + g_return_val_if_fail (dest != NULL, 0); + g_return_val_if_fail (src != NULL, 0); + + /* Find the end of dst and adjust bytes left but don't go past end */ + while (*d != 0 && bytes_left-- != 0) + d++; + dlength = d - dest; + bytes_left = dest_size - dlength; + + if (bytes_left == 0) + return dlength + strlen (s); + + while (*s != 0) + { + if (bytes_left != 1) + { + *d++ = *s; + bytes_left--; + } + s++; + } + *d = 0; + + return dlength + (s - src); /* count does not include NUL */ +} +#endif /* ! HAVE_STRLCPY */ + +/** + * g_ascii_strdown: + * @str: a string. + * @len: length of @str in bytes, or -1 if @str is nul-terminated. + * + * Converts all upper case ASCII letters to lower case ASCII letters. + * + * Return value: a newly-allocated string, with all the upper case + * characters in @str converted to lower case, with + * semantics that exactly match g_ascii_tolower(). (Note + * that this is unlike the old g_strdown(), which modified + * the string in place.) + **/ +gchar* +g_ascii_strdown (const gchar *str, + gssize len) +{ + gchar *result, *s; + + g_return_val_if_fail (str != NULL, NULL); + + if (len < 0) + len = strlen (str); + + result = g_strndup (str, len); + for (s = result; *s; s++) + *s = g_ascii_tolower (*s); + + return result; +} + +/** + * g_ascii_strup: + * @str: a string. + * @len: length of @str in bytes, or -1 if @str is nul-terminated. + * + * Converts all lower case ASCII letters to upper case ASCII letters. + * + * Return value: a newly allocated string, with all the lower case + * characters in @str converted to upper case, with + * semantics that exactly match g_ascii_toupper(). (Note + * that this is unlike the old g_strup(), which modified + * the string in place.) + **/ +gchar* +g_ascii_strup (const gchar *str, + gssize len) +{ + gchar *result, *s; + + g_return_val_if_fail (str != NULL, NULL); + + if (len < 0) + len = strlen (str); + + result = g_strndup (str, len); + for (s = result; *s; s++) + *s = g_ascii_toupper (*s); + + return result; +} + +/** + * g_strdown: + * @string: the string to convert. + * + * Converts a string to lower case. + * + * Return value: the string + * + * Deprecated:2.2: This function is totally broken for the reasons discussed + * in the g_strncasecmp() docs - use g_ascii_strdown() or g_utf8_strdown() + * instead. + **/ +gchar* +g_strdown (gchar *string) +{ + register guchar *s; + + g_return_val_if_fail (string != NULL, NULL); + + s = (guchar *) string; + + while (*s) + { + if (isupper (*s)) + *s = tolower (*s); + s++; + } + + return (gchar *) string; +} + +/** + * g_strup: + * @string: the string to convert. + * + * Converts a string to upper case. + * + * Return value: the string + * + * Deprecated:2.2: This function is totally broken for the reasons discussed + * in the g_strncasecmp() docs - use g_ascii_strup() or g_utf8_strup() instead. + **/ +gchar* +g_strup (gchar *string) +{ + register guchar *s; + + g_return_val_if_fail (string != NULL, NULL); + + s = (guchar *) string; + + while (*s) + { + if (islower (*s)) + *s = toupper (*s); + s++; + } + + return (gchar *) string; +} + +/** + * g_strreverse: + * @string: the string to reverse + * + * Reverses all of the bytes in a string. For example, + * g_strreverse ("abcdef") will result + * in "fedcba". + * + * Note that g_strreverse() doesn't work on UTF-8 strings + * containing multibyte characters. For that purpose, use + * g_utf8_strreverse(). + * + * Returns: the same pointer passed in as @string + */ +gchar* +g_strreverse (gchar *string) +{ + g_return_val_if_fail (string != NULL, NULL); + + if (*string) + { + register gchar *h, *t; + + h = string; + t = string + strlen (string) - 1; + + while (h < t) + { + register gchar c; + + c = *h; + *h = *t; + h++; + *t = c; + t--; + } + } + + return string; +} + +/** + * g_ascii_tolower: + * @c: any character. + * + * Convert a character to ASCII lower case. + * + * Unlike the standard C library tolower() function, this only + * recognizes standard ASCII letters and ignores the locale, returning + * all non-ASCII characters unchanged, even if they are lower case + * letters in a particular character set. Also unlike the standard + * library function, this takes and returns a char, not an int, so + * don't call it on %EOF but no need to worry about casting to #guchar + * before passing a possibly non-ASCII character in. + * + * Return value: the result of converting @c to lower case. + * If @c is not an ASCII upper case letter, + * @c is returned unchanged. + **/ +gchar +g_ascii_tolower (gchar c) +{ + return g_ascii_isupper (c) ? c - 'A' + 'a' : c; +} + +/** + * g_ascii_toupper: + * @c: any character. + * + * Convert a character to ASCII upper case. + * + * Unlike the standard C library toupper() function, this only + * recognizes standard ASCII letters and ignores the locale, returning + * all non-ASCII characters unchanged, even if they are upper case + * letters in a particular character set. Also unlike the standard + * library function, this takes and returns a char, not an int, so + * don't call it on %EOF but no need to worry about casting to #guchar + * before passing a possibly non-ASCII character in. + * + * Return value: the result of converting @c to upper case. + * If @c is not an ASCII lower case letter, + * @c is returned unchanged. + **/ +gchar +g_ascii_toupper (gchar c) +{ + return g_ascii_islower (c) ? c - 'a' + 'A' : c; +} + +/** + * g_ascii_digit_value: + * @c: an ASCII character. + * + * Determines the numeric value of a character as a decimal + * digit. Differs from g_unichar_digit_value() because it takes + * a char, so there's no worry about sign extension if characters + * are signed. + * + * Return value: If @c is a decimal digit (according to + * g_ascii_isdigit()), its numeric value. Otherwise, -1. + **/ +int +g_ascii_digit_value (gchar c) +{ + if (g_ascii_isdigit (c)) + return c - '0'; + return -1; +} + +/** + * g_ascii_xdigit_value: + * @c: an ASCII character. + * + * Determines the numeric value of a character as a hexidecimal + * digit. Differs from g_unichar_xdigit_value() because it takes + * a char, so there's no worry about sign extension if characters + * are signed. + * + * Return value: If @c is a hex digit (according to + * g_ascii_isxdigit()), its numeric value. Otherwise, -1. + **/ +int +g_ascii_xdigit_value (gchar c) +{ + if (c >= 'A' && c <= 'F') + return c - 'A' + 10; + if (c >= 'a' && c <= 'f') + return c - 'a' + 10; + return g_ascii_digit_value (c); +} + +/** + * g_ascii_strcasecmp: + * @s1: string to compare with @s2. + * @s2: string to compare with @s1. + * + * Compare two strings, ignoring the case of ASCII characters. + * + * Unlike the BSD strcasecmp() function, this only recognizes standard + * ASCII letters and ignores the locale, treating all non-ASCII + * bytes as if they are not letters. + * + * This function should be used only on strings that are known to be + * in encodings where the bytes corresponding to ASCII letters always + * represent themselves. This includes UTF-8 and the ISO-8859-* + * charsets, but not for instance double-byte encodings like the + * Windows Codepage 932, where the trailing bytes of double-byte + * characters include all ASCII letters. If you compare two CP932 + * strings using this function, you will get false matches. + * + * Return value: 0 if the strings match, a negative value if @s1 < @s2, + * or a positive value if @s1 > @s2. + **/ +gint +g_ascii_strcasecmp (const gchar *s1, + const gchar *s2) +{ + gint c1, c2; + + g_return_val_if_fail (s1 != NULL, 0); + g_return_val_if_fail (s2 != NULL, 0); + + while (*s1 && *s2) + { + c1 = (gint)(guchar) TOLOWER (*s1); + c2 = (gint)(guchar) TOLOWER (*s2); + if (c1 != c2) + return (c1 - c2); + s1++; s2++; + } + + return (((gint)(guchar) *s1) - ((gint)(guchar) *s2)); +} + +/** + * g_ascii_strncasecmp: + * @s1: string to compare with @s2. + * @s2: string to compare with @s1. + * @n: number of characters to compare. + * + * Compare @s1 and @s2, ignoring the case of ASCII characters and any + * characters after the first @n in each string. + * + * Unlike the BSD strcasecmp() function, this only recognizes standard + * ASCII letters and ignores the locale, treating all non-ASCII + * characters as if they are not letters. + * + * The same warning as in g_ascii_strcasecmp() applies: Use this + * function only on strings known to be in encodings where bytes + * corresponding to ASCII letters always represent themselves. + * + * Return value: 0 if the strings match, a negative value if @s1 < @s2, + * or a positive value if @s1 > @s2. + **/ +gint +g_ascii_strncasecmp (const gchar *s1, + const gchar *s2, + gsize n) +{ + gint c1, c2; + + g_return_val_if_fail (s1 != NULL, 0); + g_return_val_if_fail (s2 != NULL, 0); + + while (n && *s1 && *s2) + { + n -= 1; + c1 = (gint)(guchar) TOLOWER (*s1); + c2 = (gint)(guchar) TOLOWER (*s2); + if (c1 != c2) + return (c1 - c2); + s1++; s2++; + } + + if (n) + return (((gint) (guchar) *s1) - ((gint) (guchar) *s2)); + else + return 0; +} + +/** + * g_strcasecmp: + * @s1: a string. + * @s2: a string to compare with @s1. + * + * A case-insensitive string comparison, corresponding to the standard + * strcasecmp() function on platforms which support it. + * + * Return value: 0 if the strings match, a negative value if @s1 < @s2, + * or a positive value if @s1 > @s2. + * + * Deprecated:2.2: See g_strncasecmp() for a discussion of why this function + * is deprecated and how to replace it. + **/ +gint +g_strcasecmp (const gchar *s1, + const gchar *s2) +{ +#ifdef HAVE_STRCASECMP + g_return_val_if_fail (s1 != NULL, 0); + g_return_val_if_fail (s2 != NULL, 0); + + return strcasecmp (s1, s2); +#else + gint c1, c2; + + g_return_val_if_fail (s1 != NULL, 0); + g_return_val_if_fail (s2 != NULL, 0); + + while (*s1 && *s2) + { + /* According to A. Cox, some platforms have islower's that + * don't work right on non-uppercase + */ + c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1; + c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2; + if (c1 != c2) + return (c1 - c2); + s1++; s2++; + } + + return (((gint)(guchar) *s1) - ((gint)(guchar) *s2)); +#endif +} + +/** + * g_strncasecmp: + * @s1: a string. + * @s2: a string to compare with @s1. + * @n: the maximum number of characters to compare. + * + * A case-insensitive string comparison, corresponding to the standard + * strncasecmp() function on platforms which support it. + * It is similar to g_strcasecmp() except it only compares the first @n + * characters of the strings. + * + * Return value: 0 if the strings match, a negative value if @s1 < @s2, + * or a positive value if @s1 > @s2. + * + * Deprecated:2.2: The problem with g_strncasecmp() is that it does the + * comparison by calling toupper()/tolower(). These functions are + * locale-specific and operate on single bytes. However, it is impossible + * to handle things correctly from an I18N standpoint by operating on + * bytes, since characters may be multibyte. Thus g_strncasecmp() is + * broken if your string is guaranteed to be ASCII, since it's + * locale-sensitive, and it's broken if your string is localized, since + * it doesn't work on many encodings at all, including UTF-8, EUC-JP, + * etc. + * + * There are therefore two replacement functions: g_ascii_strncasecmp(), + * which only works on ASCII and is not locale-sensitive, and + * g_utf8_casefold(), which is good for case-insensitive sorting of UTF-8. + **/ +gint +g_strncasecmp (const gchar *s1, + const gchar *s2, + guint n) +{ +#ifdef HAVE_STRNCASECMP + return strncasecmp (s1, s2, n); +#else + gint c1, c2; + + g_return_val_if_fail (s1 != NULL, 0); + g_return_val_if_fail (s2 != NULL, 0); + + while (n && *s1 && *s2) + { + n -= 1; + /* According to A. Cox, some platforms have islower's that + * don't work right on non-uppercase + */ + c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1; + c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2; + if (c1 != c2) + return (c1 - c2); + s1++; s2++; + } + + if (n) + return (((gint) (guchar) *s1) - ((gint) (guchar) *s2)); + else + return 0; +#endif +} + +gchar* +g_strdelimit (gchar *string, + const gchar *delimiters, + gchar new_delim) +{ + register gchar *c; + + g_return_val_if_fail (string != NULL, NULL); + + if (!delimiters) + delimiters = G_STR_DELIMITERS; + + for (c = string; *c; c++) + { + if (strchr (delimiters, *c)) + *c = new_delim; + } + + return string; +} + +gchar* +g_strcanon (gchar *string, + const gchar *valid_chars, + gchar substitutor) +{ + register gchar *c; + + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (valid_chars != NULL, NULL); + + for (c = string; *c; c++) + { + if (!strchr (valid_chars, *c)) + *c = substitutor; + } + + return string; +} + +gchar* +g_strcompress (const gchar *source) +{ + const gchar *p = source, *octal; + gchar *dest = g_malloc (strlen (source) + 1); + gchar *q = dest; + + while (*p) + { + if (*p == '\\') + { + p++; + switch (*p) + { + case '\0': + g_warning ("g_strcompress: trailing \\"); + goto out; + case '0': case '1': case '2': case '3': case '4': + case '5': case '6': case '7': + *q = 0; + octal = p; + while ((p < octal + 3) && (*p >= '0') && (*p <= '7')) + { + *q = (*q * 8) + (*p - '0'); + p++; + } + q++; + p--; + break; + case 'b': + *q++ = '\b'; + break; + case 'f': + *q++ = '\f'; + break; + case 'n': + *q++ = '\n'; + break; + case 'r': + *q++ = '\r'; + break; + case 't': + *q++ = '\t'; + break; + default: /* Also handles \" and \\ */ + *q++ = *p; + break; + } + } + else + *q++ = *p; + p++; + } +out: + *q = 0; + + return dest; +} + +gchar * +g_strescape (const gchar *source, + const gchar *exceptions) +{ + const guchar *p; + gchar *dest; + gchar *q; + guchar excmap[256]; + + g_return_val_if_fail (source != NULL, NULL); + + p = (guchar *) source; + /* Each source byte needs maximally four destination chars (\777) */ + q = dest = g_malloc (strlen (source) * 4 + 1); + + memset (excmap, 0, 256); + if (exceptions) + { + guchar *e = (guchar *) exceptions; + + while (*e) + { + excmap[*e] = 1; + e++; + } + } + + while (*p) + { + if (excmap[*p]) + *q++ = *p; + else + { + switch (*p) + { + case '\b': + *q++ = '\\'; + *q++ = 'b'; + break; + case '\f': + *q++ = '\\'; + *q++ = 'f'; + break; + case '\n': + *q++ = '\\'; + *q++ = 'n'; + break; + case '\r': + *q++ = '\\'; + *q++ = 'r'; + break; + case '\t': + *q++ = '\\'; + *q++ = 't'; + break; + case '\\': + *q++ = '\\'; + *q++ = '\\'; + break; + case '"': + *q++ = '\\'; + *q++ = '"'; + break; + default: + if ((*p < ' ') || (*p >= 0177)) + { + *q++ = '\\'; + *q++ = '0' + (((*p) >> 6) & 07); + *q++ = '0' + (((*p) >> 3) & 07); + *q++ = '0' + ((*p) & 07); + } + else + *q++ = *p; + break; + } + } + p++; + } + *q = 0; + return dest; +} + +gchar* +g_strchug (gchar *string) +{ + guchar *start; + + g_return_val_if_fail (string != NULL, NULL); + + for (start = (guchar*) string; *start && g_ascii_isspace (*start); start++) + ; + + g_memmove (string, start, strlen ((gchar *) start) + 1); + + return string; +} + +gchar* +g_strchomp (gchar *string) +{ + gsize len; + + g_return_val_if_fail (string != NULL, NULL); + + len = strlen (string); + while (len--) + { + if (g_ascii_isspace ((guchar) string[len])) + string[len] = '\0'; + else + break; + } + + return string; +} + +/** + * g_strsplit: + * @string: a string to split. + * @delimiter: a string which specifies the places at which to split the string. + * The delimiter is not included in any of the resulting strings, unless + * @max_tokens is reached. + * @max_tokens: the maximum number of pieces to split @string into. If this is + * less than 1, the string is split completely. + * + * Splits a string into a maximum of @max_tokens pieces, using the given + * @delimiter. If @max_tokens is reached, the remainder of @string is appended + * to the last token. + * + * As a special case, the result of splitting the empty string "" is an empty + * vector, not a vector containing a single string. The reason for this + * special case is that being able to represent a empty vector is typically + * more useful than consistent handling of empty elements. If you do need + * to represent empty elements, you'll need to check for the empty string + * before calling g_strsplit(). + * + * Return value: a newly-allocated %NULL-terminated array of strings. Use + * g_strfreev() to free it. + **/ +gchar** +g_strsplit (const gchar *string, + const gchar *delimiter, + gint max_tokens) +{ + GSList *string_list = NULL, *slist; + gchar **str_array, *s; + guint n = 0; + const gchar *remainder; + + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (delimiter != NULL, NULL); + g_return_val_if_fail (delimiter[0] != '\0', NULL); + + if (max_tokens < 1) + max_tokens = G_MAXINT; + + remainder = string; + s = strstr (remainder, delimiter); + if (s) + { + gsize delimiter_len = strlen (delimiter); + + while (--max_tokens && s) + { + gsize len; + + len = s - remainder; + string_list = g_slist_prepend (string_list, + g_strndup (remainder, len)); + n++; + remainder = s + delimiter_len; + s = strstr (remainder, delimiter); + } + } + if (*string) + { + n++; + string_list = g_slist_prepend (string_list, g_strdup (remainder)); + } + + str_array = g_new (gchar*, n + 1); + + str_array[n--] = NULL; + for (slist = string_list; slist; slist = slist->next) + str_array[n--] = slist->data; + + g_slist_free (string_list); + + return str_array; +} + +/** + * g_strsplit_set: + * @string: The string to be tokenized + * @delimiters: A nul-terminated string containing bytes that are used + * to split the string. + * @max_tokens: The maximum number of tokens to split @string into. + * If this is less than 1, the string is split completely + * + * Splits @string into a number of tokens not containing any of the characters + * in @delimiter. A token is the (possibly empty) longest string that does not + * contain any of the characters in @delimiters. If @max_tokens is reached, the + * remainder is appended to the last token. + * + * For example the result of g_strsplit_set ("abc:def/ghi", ":/", -1) is a + * %NULL-terminated vector containing the three strings "abc", "def", + * and "ghi". + * + * The result if g_strsplit_set (":def/ghi:", ":/", -1) is a %NULL-terminated + * vector containing the four strings "", "def", "ghi", and "". + * + * As a special case, the result of splitting the empty string "" is an empty + * vector, not a vector containing a single string. The reason for this + * special case is that being able to represent a empty vector is typically + * more useful than consistent handling of empty elements. If you do need + * to represent empty elements, you'll need to check for the empty string + * before calling g_strsplit_set(). + * + * Note that this function works on bytes not characters, so it can't be used + * to delimit UTF-8 strings for anything but ASCII characters. + * + * Return value: a newly-allocated %NULL-terminated array of strings. Use + * g_strfreev() to free it. + * + * Since: 2.4 + **/ +gchar ** +g_strsplit_set (const gchar *string, + const gchar *delimiters, + gint max_tokens) +{ + gboolean delim_table[256]; + GSList *tokens, *list; + gint n_tokens; + const gchar *s; + const gchar *current; + gchar *token; + gchar **result; + + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (delimiters != NULL, NULL); + + if (max_tokens < 1) + max_tokens = G_MAXINT; + + if (*string == '\0') + { + result = g_new (char *, 1); + result[0] = NULL; + return result; + } + + memset (delim_table, FALSE, sizeof (delim_table)); + for (s = delimiters; *s != '\0'; ++s) + delim_table[*(guchar *)s] = TRUE; + + tokens = NULL; + n_tokens = 0; + + s = current = string; + while (*s != '\0') + { + if (delim_table[*(guchar *)s] && n_tokens + 1 < max_tokens) + { + token = g_strndup (current, s - current); + tokens = g_slist_prepend (tokens, token); + ++n_tokens; + + current = s + 1; + } + + ++s; + } + + token = g_strndup (current, s - current); + tokens = g_slist_prepend (tokens, token); + ++n_tokens; + + result = g_new (gchar *, n_tokens + 1); + + result[n_tokens] = NULL; + for (list = tokens; list != NULL; list = list->next) + result[--n_tokens] = list->data; + + g_slist_free (tokens); + + return result; +} + +/** + * g_strfreev: + * @str_array: a %NULL-terminated array of strings to free. + + * Frees a %NULL-terminated array of strings, and the array itself. + * If called on a %NULL value, g_strfreev() simply returns. + **/ +void +g_strfreev (gchar **str_array) +{ + if (str_array) + { + int i; + + for (i = 0; str_array[i] != NULL; i++) + g_free (str_array[i]); + + g_free (str_array); + } +} + +/** + * g_strdupv: + * @str_array: %NULL-terminated array of strings. + * + * Copies %NULL-terminated array of strings. The copy is a deep copy; + * the new array should be freed by first freeing each string, then + * the array itself. g_strfreev() does this for you. If called + * on a %NULL value, g_strdupv() simply returns %NULL. + * + * Return value: a new %NULL-terminated array of strings. + **/ +gchar** +g_strdupv (gchar **str_array) +{ + if (str_array) + { + gint i; + gchar **retval; + + i = 0; + while (str_array[i]) + ++i; + + retval = g_new (gchar*, i + 1); + + i = 0; + while (str_array[i]) + { + retval[i] = g_strdup (str_array[i]); + ++i; + } + retval[i] = NULL; + + return retval; + } + else + return NULL; +} + +/** + * g_strjoinv: + * @separator: a string to insert between each of the strings, or %NULL + * @str_array: a %NULL-terminated array of strings to join + * + * Joins a number of strings together to form one long string, with the + * optional @separator inserted between each of them. The returned string + * should be freed with g_free(). + * + * Returns: a newly-allocated string containing all of the strings joined + * together, with @separator between them + */ +gchar* +g_strjoinv (const gchar *separator, + gchar **str_array) +{ + gchar *string; + gchar *ptr; + + g_return_val_if_fail (str_array != NULL, NULL); + + if (separator == NULL) + separator = ""; + + if (*str_array) + { + gint i; + gsize len; + gsize separator_len; + + separator_len = strlen (separator); + /* First part, getting length */ + len = 1 + strlen (str_array[0]); + for (i = 1; str_array[i] != NULL; i++) + len += strlen (str_array[i]); + len += separator_len * (i - 1); + + /* Second part, building string */ + string = g_new (gchar, len); + ptr = g_stpcpy (string, *str_array); + for (i = 1; str_array[i] != NULL; i++) + { + ptr = g_stpcpy (ptr, separator); + ptr = g_stpcpy (ptr, str_array[i]); + } + } + else + string = g_strdup (""); + + return string; +} + +/** + * g_strjoin: + * @separator: a string to insert between each of the strings, or %NULL + * @...: a %NULL-terminated list of strings to join + * + * Joins a number of strings together to form one long string, with the + * optional @separator inserted between each of them. The returned string + * should be freed with g_free(). + * + * Returns: a newly-allocated string containing all of the strings joined + * together, with @separator between them + */ +gchar* +g_strjoin (const gchar *separator, + ...) +{ + gchar *string, *s; + va_list args; + gsize len; + gsize separator_len; + gchar *ptr; + + if (separator == NULL) + separator = ""; + + separator_len = strlen (separator); + + va_start (args, separator); + + s = va_arg (args, gchar*); + + if (s) + { + /* First part, getting length */ + len = 1 + strlen (s); + + s = va_arg (args, gchar*); + while (s) + { + len += separator_len + strlen (s); + s = va_arg (args, gchar*); + } + va_end (args); + + /* Second part, building string */ + string = g_new (gchar, len); + + va_start (args, separator); + + s = va_arg (args, gchar*); + ptr = g_stpcpy (string, s); + + s = va_arg (args, gchar*); + while (s) + { + ptr = g_stpcpy (ptr, separator); + ptr = g_stpcpy (ptr, s); + s = va_arg (args, gchar*); + } + } + else + string = g_strdup (""); + + va_end (args); + + return string; +} + + +/** + * g_strstr_len: + * @haystack: a string. + * @haystack_len: the maximum length of @haystack. Note that -1 is + * a valid length, if @haystack is nul-terminated, meaning it will + * search through the whole string. + * @needle: the string to search for. + * + * Searches the string @haystack for the first occurrence + * of the string @needle, limiting the length of the search + * to @haystack_len. + * + * Return value: a pointer to the found occurrence, or + * %NULL if not found. + **/ +gchar * +g_strstr_len (const gchar *haystack, + gssize haystack_len, + const gchar *needle) +{ + g_return_val_if_fail (haystack != NULL, NULL); + g_return_val_if_fail (needle != NULL, NULL); + + if (haystack_len < 0) + return strstr (haystack, needle); + else + { + const gchar *p = haystack; + gsize needle_len = strlen (needle); + const gchar *end; + gsize i; + + if (needle_len == 0) + return (gchar *)haystack; + + if (haystack_len < needle_len) + return NULL; + + end = haystack + haystack_len - needle_len; + + while (p <= end && *p) + { + for (i = 0; i < needle_len; i++) + if (p[i] != needle[i]) + goto next; + + return (gchar *)p; + + next: + p++; + } + + return NULL; + } +} + +/** + * g_strrstr: + * @haystack: a nul-terminated string. + * @needle: the nul-terminated string to search for. + * + * Searches the string @haystack for the last occurrence + * of the string @needle. + * + * Return value: a pointer to the found occurrence, or + * %NULL if not found. + **/ +gchar * +g_strrstr (const gchar *haystack, + const gchar *needle) +{ + gsize i; + gsize needle_len; + gsize haystack_len; + const gchar *p; + + g_return_val_if_fail (haystack != NULL, NULL); + g_return_val_if_fail (needle != NULL, NULL); + + needle_len = strlen (needle); + haystack_len = strlen (haystack); + + if (needle_len == 0) + return (gchar *)haystack; + + if (haystack_len < needle_len) + return NULL; + + p = haystack + haystack_len - needle_len; + + while (p >= haystack) + { + for (i = 0; i < needle_len; i++) + if (p[i] != needle[i]) + goto next; + + return (gchar *)p; + + next: + p--; + } + + return NULL; +} + +/** + * g_strrstr_len: + * @haystack: a nul-terminated string. + * @haystack_len: the maximum length of @haystack. + * @needle: the nul-terminated string to search for. + * + * Searches the string @haystack for the last occurrence + * of the string @needle, limiting the length of the search + * to @haystack_len. + * + * Return value: a pointer to the found occurrence, or + * %NULL if not found. + **/ +gchar * +g_strrstr_len (const gchar *haystack, + gssize haystack_len, + const gchar *needle) +{ + g_return_val_if_fail (haystack != NULL, NULL); + g_return_val_if_fail (needle != NULL, NULL); + + if (haystack_len < 0) + return g_strrstr (haystack, needle); + else + { + gsize needle_len = strlen (needle); + const gchar *haystack_max = haystack + haystack_len; + const gchar *p = haystack; + gsize i; + + while (p < haystack_max && *p) + p++; + + if (p < haystack + needle_len) + return NULL; + + p -= needle_len; + + while (p >= haystack) + { + for (i = 0; i < needle_len; i++) + if (p[i] != needle[i]) + goto next; + + return (gchar *)p; + + next: + p--; + } + + return NULL; + } +} + + +/** + * g_str_has_suffix: + * @str: a nul-terminated string. + * @suffix: the nul-terminated suffix to look for. + * + * Looks whether the string @str ends with @suffix. + * + * Return value: %TRUE if @str end with @suffix, %FALSE otherwise. + * + * Since: 2.2 + **/ +gboolean +g_str_has_suffix (const gchar *str, + const gchar *suffix) +{ + int str_len; + int suffix_len; + + g_return_val_if_fail (str != NULL, FALSE); + g_return_val_if_fail (suffix != NULL, FALSE); + + str_len = strlen (str); + suffix_len = strlen (suffix); + + if (str_len < suffix_len) + return FALSE; + + return strcmp (str + str_len - suffix_len, suffix) == 0; +} + +/** + * g_str_has_prefix: + * @str: a nul-terminated string. + * @prefix: the nul-terminated prefix to look for. + * + * Looks whether the string @str begins with @prefix. + * + * Return value: %TRUE if @str begins with @prefix, %FALSE otherwise. + * + * Since: 2.2 + **/ +gboolean +g_str_has_prefix (const gchar *str, + const gchar *prefix) +{ + int str_len; + int prefix_len; + + g_return_val_if_fail (str != NULL, FALSE); + g_return_val_if_fail (prefix != NULL, FALSE); + + str_len = strlen (str); + prefix_len = strlen (prefix); + + if (str_len < prefix_len) + return FALSE; + + return strncmp (str, prefix, prefix_len) == 0; +} + + +/** + * g_strip_context: + * @msgid: a string + * @msgval: another string + * + * An auxiliary function for gettext() support (see Q_()). + * + * Return value: @msgval, unless @msgval is identical to @msgid and contains + * a '|' character, in which case a pointer to the substring of msgid after + * the first '|' character is returned. + * + * Since: 2.4 + **/ +const gchar * +g_strip_context (const gchar *msgid, + const gchar *msgval) +{ + if (msgval == msgid) + { + const char *c = strchr (msgid, '|'); + if (c != NULL) + return c + 1; + } + + return msgval; +} + + +/** + * g_strv_length: + * @str_array: a %NULL-terminated array of strings. + * + * Returns the length of the given %NULL-terminated + * string array @str_array. + * + * Return value: length of @str_array. + * + * Since: 2.6 + **/ +guint +g_strv_length (gchar **str_array) +{ + guint i = 0; + + g_return_val_if_fail (str_array != NULL, 0); + + while (str_array[i]) + ++i; + + return i; +} + + +/** + * g_dpgettext: + * @domain: the translation domain to use, or %NULL to use + * the domain set with textdomain() + * @msgctxtid: a combined message context and message id, separated + * by a \004 character + * @msgidoffset: the offset of the message id in @msgctxid + * + * This function is a variant of g_dgettext() which supports + * a disambiguating message context. GNU gettext uses the + * '\004' character to separate the message context and + * message id in @msgctxtid. + * If 0 is passed as @msgidoffset, this function will fall back to + * trying to use the deprecated convention of using "|" as a separation + * character. + * + * This uses g_dgettext() internally. See that functions for differences + * with dgettext() proper. + * + * Applications should normally not use this function directly, + * but use the C_() macro for translations with context. + * + * Returns: The translated string + * + * Since: 2.16 + */ +const gchar * +g_dpgettext (const gchar *domain, + const gchar *msgctxtid, + gsize msgidoffset) +{ + const gchar *translation; + gchar *sep; + + translation = g_dgettext (domain, msgctxtid); + + if (translation == msgctxtid) + { + if (msgidoffset > 0) + return msgctxtid + msgidoffset; + + sep = strchr (msgctxtid, '|'); + + if (sep) + { + /* try with '\004' instead of '|', in case + * xgettext -kQ_:1g was used + */ + gchar *tmp = g_alloca (strlen (msgctxtid) + 1); + strcpy (tmp, msgctxtid); + tmp[sep - msgctxtid] = '\004'; + + translation = g_dgettext (domain, tmp); + + if (translation == tmp) + return sep + 1; + } + } + + return translation; +} + +/* This function is taken from gettext.h + * GNU gettext uses '\004' to separate context and msgid in .mo files. + */ +/** + * g_dpgettext2: + * @domain: the translation domain to use, or %NULL to use + * the domain set with textdomain() + * @context: the message context + * @msgid: the message + * + * This function is a variant of g_dgettext() which supports + * a disambiguating message context. GNU gettext uses the + * '\004' character to separate the message context and + * message id in @msgctxtid. + * + * This uses g_dgettext() internally. See that functions for differences + * with dgettext() proper. + * + * This function differs from C_() in that it is not a macro and + * thus you may use non-string-literals as context and msgid arguments. + * + * Returns: The translated string + * + * Since: 2.18 + */ +const char * +g_dpgettext2 (const char *domain, + const char *msgctxt, + const char *msgid) +{ + size_t msgctxt_len = strlen (msgctxt) + 1; + size_t msgid_len = strlen (msgid) + 1; + const char *translation; + char* msg_ctxt_id; + + msg_ctxt_id = g_alloca (msgctxt_len + msgid_len); + + memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); + msg_ctxt_id[msgctxt_len - 1] = '\004'; + memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); + + translation = g_dgettext (domain, msg_ctxt_id); + + if (translation == msg_ctxt_id) + { + /* try the old way of doing message contexts, too */ + msg_ctxt_id[msgctxt_len - 1] = '|'; + translation = g_dgettext (domain, msg_ctxt_id); + + if (translation == msg_ctxt_id) + return msgid; + } + + return translation; +} + +static gboolean +_g_dgettext_should_translate (void) +{ + static gsize translate = 0; + enum { + SHOULD_TRANSLATE = 1, + SHOULD_NOT_TRANSLATE = 2 + }; + + if (G_UNLIKELY (g_once_init_enter (&translate))) + { + gboolean should_translate = TRUE; + + const char *default_domain = textdomain (NULL); + const char *translator_comment = gettext (""); +#ifndef G_OS_WIN32 + const char *translate_locale = setlocale (LC_MESSAGES, NULL); +#else + const char *translate_locale = g_win32_getlocale (); +#endif + /* We should NOT translate only if all the following hold: + * - user has called textdomain() and set textdomain to non-default + * - default domain has no translations + * - locale does not start with "en_" and is not "C" + * + * Rationale: + * - If text domain is still the default domain, maybe user calls + * it later. Continue with old behavior of translating. + * - If locale starts with "en_", we can continue using the + * translations even if the app doesn't have translations for + * this locale. That is, en_UK and en_CA for example. + * - If locale is "C", maybe user calls setlocale(LC_ALL,"") later. + * Continue with old behavior of translating. + */ + if (0 != strcmp (default_domain, "messages") && + '\0' == *translator_comment && + 0 != strncmp (translate_locale, "en_", 3) && + 0 != strcmp (translate_locale, "C")) + should_translate = FALSE; + + g_once_init_leave (&translate, + should_translate ? + SHOULD_TRANSLATE : + SHOULD_NOT_TRANSLATE); + } + + return translate == SHOULD_TRANSLATE; +} + +/** + * g_dgettext: + * @domain: the translation domain to use, or %NULL to use + * the domain set with textdomain() + * @msgid: message to translate + * + * This function is a wrapper of dgettext() which does not translate + * the message if the default domain as set with textdomain() has no + * translations for the current locale. + * + * The advantage of using this function over dgettext() proper is that + * libraries using this function (like GTK+) will not use translations + * if the application using the library does not have translations for + * the current locale. This results in a consistent English-only + * interface instead of one having partial translations. For this + * feature to work, the call to textdomain() and setlocale() should + * precede any g_dgettext() invocations. For GTK+, it means calling + * textdomain() before gtk_init or its variants. + * + * This function disables translations if and only if upon its first + * call all the following conditions hold: + * + * @domain is not %NULL + * textdomain() has been called to set a default text domain + * there is no translations available for the default text domain + * and the current locale + * current locale is not "C" or any English locales (those + * starting with "en_") + * + * + * Note that this behavior may not be desired for example if an application + * has its untranslated messages in a language other than English. In those + * cases the application should call textdomain() after initializing GTK+. + * + * Applications should normally not use this function directly, + * but use the _() macro for translations. + * + * Returns: The translated string + * + * Since: 2.18 + */ +const gchar * +g_dgettext (const gchar *domain, + const gchar *msgid) +{ + if (domain && G_UNLIKELY (!_g_dgettext_should_translate ())) + return msgid; + + return dgettext (domain, msgid); +} + +/** + * g_dcgettext: + * @domain: (allow-none): the translation domain to use, or %NULL to use + * the domain set with textdomain() + * @msgid: message to translate + * @category: a locale category + * + * This is a variant of g_dgettext() that allows specifying a locale + * category instead of always using %LC_MESSAGES. See g_dgettext() for + * more information about how this functions differs from calling + * dcgettext() directly. + * + * Returns: the translated string for the given locale category + * + * Since: 2.26 + */ +const gchar * +g_dcgettext (const gchar *domain, + const gchar *msgid, + int category) +{ + if (domain && G_UNLIKELY (!_g_dgettext_should_translate ())) + return msgid; + + return dcgettext (domain, msgid, category); +} + +/** + * g_dngettext: + * @domain: the translation domain to use, or %NULL to use + * the domain set with textdomain() + * @msgid: message to translate + * @msgid_plural: plural form of the message + * @n: the quantity for which translation is needed + * + * This function is a wrapper of dngettext() which does not translate + * the message if the default domain as set with textdomain() has no + * translations for the current locale. + * + * See g_dgettext() for details of how this differs from dngettext() + * proper. + * + * Returns: The translated string + * + * Since: 2.18 + */ +const gchar * +g_dngettext (const gchar *domain, + const gchar *msgid, + const gchar *msgid_plural, + gulong n) +{ + if (domain && G_UNLIKELY (!_g_dgettext_should_translate ())) + return n == 1 ? msgid : msgid_plural; + + return dngettext (domain, msgid, msgid_plural, n); +} diff --git a/deps/glib/gstrfuncs.h b/deps/glib/gstrfuncs.h new file mode 100644 index 0000000..8f99c55 --- /dev/null +++ b/deps/glib/gstrfuncs.h @@ -0,0 +1,269 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_STRFUNCS_H__ +#define __G_STRFUNCS_H__ + +#include +#include +#include + +G_BEGIN_DECLS + +/* Functions like the ones in that are not affected by locale. */ +typedef enum { + G_ASCII_ALNUM = 1 << 0, + G_ASCII_ALPHA = 1 << 1, + G_ASCII_CNTRL = 1 << 2, + G_ASCII_DIGIT = 1 << 3, + G_ASCII_GRAPH = 1 << 4, + G_ASCII_LOWER = 1 << 5, + G_ASCII_PRINT = 1 << 6, + G_ASCII_PUNCT = 1 << 7, + G_ASCII_SPACE = 1 << 8, + G_ASCII_UPPER = 1 << 9, + G_ASCII_XDIGIT = 1 << 10 +} GAsciiType; + +GLIB_VAR const guint16 * const g_ascii_table; + +#define g_ascii_isalnum(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_ALNUM) != 0) + +#define g_ascii_isalpha(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_ALPHA) != 0) + +#define g_ascii_iscntrl(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_CNTRL) != 0) + +#define g_ascii_isdigit(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_DIGIT) != 0) + +#define g_ascii_isgraph(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_GRAPH) != 0) + +#define g_ascii_islower(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_LOWER) != 0) + +#define g_ascii_isprint(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_PRINT) != 0) + +#define g_ascii_ispunct(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_PUNCT) != 0) + +#define g_ascii_isspace(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_SPACE) != 0) + +#define g_ascii_isupper(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_UPPER) != 0) + +#define g_ascii_isxdigit(c) \ + ((g_ascii_table[(guchar) (c)] & G_ASCII_XDIGIT) != 0) + +gchar g_ascii_tolower (gchar c) G_GNUC_CONST; +gchar g_ascii_toupper (gchar c) G_GNUC_CONST; + +gint g_ascii_digit_value (gchar c) G_GNUC_CONST; +gint g_ascii_xdigit_value (gchar c) G_GNUC_CONST; + +/* String utility functions that modify a string argument or + * return a constant string that must not be freed. + */ +#define G_STR_DELIMITERS "_-|> <." +gchar* g_strdelimit (gchar *string, + const gchar *delimiters, + gchar new_delimiter); +gchar* g_strcanon (gchar *string, + const gchar *valid_chars, + gchar substitutor); +const gchar * g_strerror (gint errnum) G_GNUC_CONST; +const gchar * g_strsignal (gint signum) G_GNUC_CONST; +gchar * g_strreverse (gchar *string); +gsize g_strlcpy (gchar *dest, + const gchar *src, + gsize dest_size); +gsize g_strlcat (gchar *dest, + const gchar *src, + gsize dest_size); +gchar * g_strstr_len (const gchar *haystack, + gssize haystack_len, + const gchar *needle); +gchar * g_strrstr (const gchar *haystack, + const gchar *needle); +gchar * g_strrstr_len (const gchar *haystack, + gssize haystack_len, + const gchar *needle); + +gboolean g_str_has_suffix (const gchar *str, + const gchar *suffix); +gboolean g_str_has_prefix (const gchar *str, + const gchar *prefix); + +/* String to/from double conversion functions */ + +gdouble g_strtod (const gchar *nptr, + gchar **endptr); +gdouble g_ascii_strtod (const gchar *nptr, + gchar **endptr); +guint64 g_ascii_strtoull (const gchar *nptr, + gchar **endptr, + guint base); +gint64 g_ascii_strtoll (const gchar *nptr, + gchar **endptr, + guint base); +/* 29 bytes should enough for all possible values that + * g_ascii_dtostr can produce. + * Then add 10 for good measure */ +#define G_ASCII_DTOSTR_BUF_SIZE (29 + 10) +gchar * g_ascii_dtostr (gchar *buffer, + gint buf_len, + gdouble d); +gchar * g_ascii_formatd (gchar *buffer, + gint buf_len, + const gchar *format, + gdouble d); + +/* removes leading spaces */ +gchar* g_strchug (gchar *string); +/* removes trailing spaces */ +gchar* g_strchomp (gchar *string); +/* removes leading & trailing spaces */ +#define g_strstrip( string ) g_strchomp (g_strchug (string)) + +gint g_ascii_strcasecmp (const gchar *s1, + const gchar *s2); +gint g_ascii_strncasecmp (const gchar *s1, + const gchar *s2, + gsize n); +gchar* g_ascii_strdown (const gchar *str, + gssize len) G_GNUC_MALLOC; +gchar* g_ascii_strup (const gchar *str, + gssize len) G_GNUC_MALLOC; + +#ifndef G_DISABLE_DEPRECATED + +/* The following four functions are deprecated and will be removed in + * the next major release. They use the locale-specific tolower and + * toupper, which is almost never the right thing. + */ + +gint g_strcasecmp (const gchar *s1, + const gchar *s2); +gint g_strncasecmp (const gchar *s1, + const gchar *s2, + guint n); +gchar* g_strdown (gchar *string); +gchar* g_strup (gchar *string); + +#endif /* G_DISABLE_DEPRECATED */ + +/* String utility functions that return a newly allocated string which + * ought to be freed with g_free from the caller at some point. + */ +gchar* g_strdup (const gchar *str) G_GNUC_MALLOC; +gchar* g_strdup_printf (const gchar *format, + ...) G_GNUC_PRINTF (1, 2) G_GNUC_MALLOC; +gchar* g_strdup_vprintf (const gchar *format, + va_list args) G_GNUC_MALLOC; +gchar* g_strndup (const gchar *str, + gsize n) G_GNUC_MALLOC; +gchar* g_strnfill (gsize length, + gchar fill_char) G_GNUC_MALLOC; +gchar* g_strconcat (const gchar *string1, + ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED; +gchar* g_strjoin (const gchar *separator, + ...) G_GNUC_MALLOC G_GNUC_NULL_TERMINATED; + +/* Make a copy of a string interpreting C string -style escape + * sequences. Inverse of g_strescape. The recognized sequences are \b + * \f \n \r \t \\ \" and the octal format. + */ +gchar* g_strcompress (const gchar *source) G_GNUC_MALLOC; + +/* Copy a string escaping nonprintable characters like in C strings. + * Inverse of g_strcompress. The exceptions parameter, if non-NULL, points + * to a string containing characters that are not to be escaped. + * + * Deprecated API: gchar* g_strescape (const gchar *source); + * Luckily this function wasn't used much, using NULL as second parameter + * provides mostly identical semantics. + */ +gchar* g_strescape (const gchar *source, + const gchar *exceptions) G_GNUC_MALLOC; + +gpointer g_memdup (gconstpointer mem, + guint byte_size) G_GNUC_MALLOC G_GNUC_ALLOC_SIZE(2); + +/* NULL terminated string arrays. + * g_strsplit(), g_strsplit_set() split up string into max_tokens tokens + * at delim and return a newly allocated string array. + * g_strjoinv() concatenates all of str_array's strings, sliding in an + * optional separator, the returned string is newly allocated. + * g_strfreev() frees the array itself and all of its strings. + * g_strdupv() copies a NULL-terminated array of strings + * g_strv_length() returns the length of a NULL-terminated array of strings + */ +gchar** g_strsplit (const gchar *string, + const gchar *delimiter, + gint max_tokens) G_GNUC_MALLOC; +gchar ** g_strsplit_set (const gchar *string, + const gchar *delimiters, + gint max_tokens) G_GNUC_MALLOC; +gchar* g_strjoinv (const gchar *separator, + gchar **str_array) G_GNUC_MALLOC; +void g_strfreev (gchar **str_array); +gchar** g_strdupv (gchar **str_array) G_GNUC_MALLOC; +guint g_strv_length (gchar **str_array); + +gchar* g_stpcpy (gchar *dest, + const char *src); + +const gchar * g_strip_context (const gchar *msgid, + const gchar *msgval) G_GNUC_FORMAT(1); + +const gchar * g_dgettext (const gchar *domain, + const gchar *msgid) G_GNUC_FORMAT(2); +const gchar * g_dcgettext (const gchar *domain, + const gchar *msgid, + int category) G_GNUC_FORMAT(2); +const gchar * g_dngettext (const gchar *domain, + const gchar *msgid, + const gchar *msgid_plural, + gulong n) G_GNUC_FORMAT(3); +const gchar * g_dpgettext (const gchar *domain, + const gchar *msgctxtid, + gsize msgidoffset) G_GNUC_FORMAT(2); +const gchar * g_dpgettext2 (const gchar *domain, + const gchar *context, + const gchar *msgid) G_GNUC_FORMAT(3); + +G_END_DECLS + +#endif /* __G_STRFUNCS_H__ */ diff --git a/deps/glib/gstring.c b/deps/glib/gstring.c new file mode 100644 index 0000000..627dee6 --- /dev/null +++ b/deps/glib/gstring.c @@ -0,0 +1,1448 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" + +#ifdef HAVE_UNISTD_H +#include +#endif +#include +#include +#include +#include +#include + +#include "gstring.h" + +#include "gprintf.h" + + +/** + * SECTION:string_chunks + * @title: String Chunks + * @short_description: efficient storage of groups of strings + * + * String chunks are used to store groups of strings. Memory is + * allocated in blocks, and as strings are added to the #GStringChunk + * they are copied into the next free position in a block. When a block + * is full a new block is allocated. + * + * When storing a large number of strings, string chunks are more + * efficient than using g_strdup() since fewer calls to malloc() are + * needed, and less memory is wasted in memory allocation overheads. + * + * By adding strings with g_string_chunk_insert_const() it is also + * possible to remove duplicates. + * + * To create a new #GStringChunk use g_string_chunk_new(). + * + * To add strings to a #GStringChunk use g_string_chunk_insert(). + * + * To add strings to a #GStringChunk, but without duplicating strings + * which are already in the #GStringChunk, use + * g_string_chunk_insert_const(). + * + * To free the entire #GStringChunk use g_string_chunk_free(). It is + * not possible to free individual strings. + **/ + +/** + * GStringChunk: + * + * An opaque data structure representing String Chunks. It should only + * be accessed by using the following functions. + **/ +struct _GStringChunk +{ + GHashTable *const_table; + GSList *storage_list; + gsize storage_next; + gsize this_size; + gsize default_size; +}; + +/* Hash Functions. + */ + +/** + * g_str_equal: + * @v1: a key + * @v2: a key to compare with @v1 + * + * Compares two strings for byte-by-byte equality and returns %TRUE + * if they are equal. It can be passed to g_hash_table_new() as the + * @key_equal_func parameter, when using strings as keys in a #GHashTable. + * + * Note that this function is primarily meant as a hash table comparison + * function. For a general-purpose, %NULL-safe string comparison function, + * see g_strcmp0(). + * + * Returns: %TRUE if the two keys match + */ +gboolean +g_str_equal (gconstpointer v1, + gconstpointer v2) +{ + const gchar *string1 = v1; + const gchar *string2 = v2; + + return strcmp (string1, string2) == 0; +} + +/** + * g_str_hash: + * @v: a string key + * + * Converts a string to a hash value. + * + * This function implements the widely used "djb" hash apparently posted + * by Daniel Bernstein to comp.lang.c some time ago. The 32 bit + * unsigned hash value starts at 5381 and for each byte 'c' in the + * string, is updated: hash = hash * 33 + c. This + * function uses the signed value of each byte. + * + * It can be passed to g_hash_table_new() as the @hash_func parameter, + * when using strings as keys in a #GHashTable. + * + * Returns: a hash value corresponding to the key + **/ +guint +g_str_hash (gconstpointer v) +{ + const signed char *p; + guint32 h = 5381; + + for (p = v; *p != '\0'; p++) + h = (h << 5) + h + *p; + + return h; +} + +#define MY_MAXSIZE ((gsize)-1) + +static inline gsize +nearest_power (gsize base, gsize num) +{ + if (num > MY_MAXSIZE / 2) + { + return MY_MAXSIZE; + } + else + { + gsize n = base; + + while (n < num) + n <<= 1; + + return n; + } +} + +/* String Chunks. + */ + +/** + * g_string_chunk_new: + * @size: the default size of the blocks of memory which are + * allocated to store the strings. If a particular string + * is larger than this default size, a larger block of + * memory will be allocated for it. + * + * Creates a new #GStringChunk. + * + * Returns: a new #GStringChunk + */ +GStringChunk* +g_string_chunk_new (gsize size) +{ + GStringChunk *new_chunk = g_new (GStringChunk, 1); + gsize actual_size = 1; + + actual_size = nearest_power (1, size); + + new_chunk->const_table = NULL; + new_chunk->storage_list = NULL; + new_chunk->storage_next = actual_size; + new_chunk->default_size = actual_size; + new_chunk->this_size = actual_size; + + return new_chunk; +} + +/** + * g_string_chunk_free: + * @chunk: a #GStringChunk + * + * Frees all memory allocated by the #GStringChunk. + * After calling g_string_chunk_free() it is not safe to + * access any of the strings which were contained within it. + */ +void +g_string_chunk_free (GStringChunk *chunk) +{ + GSList *tmp_list; + + g_return_if_fail (chunk != NULL); + + if (chunk->storage_list) + { + for (tmp_list = chunk->storage_list; tmp_list; tmp_list = tmp_list->next) + g_free (tmp_list->data); + + g_slist_free (chunk->storage_list); + } + + if (chunk->const_table) + g_hash_table_destroy (chunk->const_table); + + g_free (chunk); +} + +/** + * g_string_chunk_clear: + * @chunk: a #GStringChunk + * + * Frees all strings contained within the #GStringChunk. + * After calling g_string_chunk_clear() it is not safe to + * access any of the strings which were contained within it. + * + * Since: 2.14 + */ +void +g_string_chunk_clear (GStringChunk *chunk) +{ + GSList *tmp_list; + + g_return_if_fail (chunk != NULL); + + if (chunk->storage_list) + { + for (tmp_list = chunk->storage_list; tmp_list; tmp_list = tmp_list->next) + g_free (tmp_list->data); + + g_slist_free (chunk->storage_list); + + chunk->storage_list = NULL; + chunk->storage_next = chunk->default_size; + chunk->this_size = chunk->default_size; + } + + if (chunk->const_table) + g_hash_table_remove_all (chunk->const_table); +} + +/** + * g_string_chunk_insert: + * @chunk: a #GStringChunk + * @string: the string to add + * + * Adds a copy of @string to the #GStringChunk. + * It returns a pointer to the new copy of the string + * in the #GStringChunk. The characters in the string + * can be changed, if necessary, though you should not + * change anything after the end of the string. + * + * Unlike g_string_chunk_insert_const(), this function + * does not check for duplicates. Also strings added + * with g_string_chunk_insert() will not be searched + * by g_string_chunk_insert_const() when looking for + * duplicates. + * + * Returns: a pointer to the copy of @string within + * the #GStringChunk + */ +gchar* +g_string_chunk_insert (GStringChunk *chunk, + const gchar *string) +{ + g_return_val_if_fail (chunk != NULL, NULL); + + return g_string_chunk_insert_len (chunk, string, -1); +} + +/** + * g_string_chunk_insert_const: + * @chunk: a #GStringChunk + * @string: the string to add + * + * Adds a copy of @string to the #GStringChunk, unless the same + * string has already been added to the #GStringChunk with + * g_string_chunk_insert_const(). + * + * This function is useful if you need to copy a large number + * of strings but do not want to waste space storing duplicates. + * But you must remember that there may be several pointers to + * the same string, and so any changes made to the strings + * should be done very carefully. + * + * Note that g_string_chunk_insert_const() will not return a + * pointer to a string added with g_string_chunk_insert(), even + * if they do match. + * + * Returns: a pointer to the new or existing copy of @string + * within the #GStringChunk + */ +gchar* +g_string_chunk_insert_const (GStringChunk *chunk, + const gchar *string) +{ + char* lookup; + + g_return_val_if_fail (chunk != NULL, NULL); + + if (!chunk->const_table) + chunk->const_table = g_hash_table_new (g_str_hash, g_str_equal); + + lookup = (char*) g_hash_table_lookup (chunk->const_table, (gchar *)string); + + if (!lookup) + { + lookup = g_string_chunk_insert (chunk, string); + g_hash_table_insert (chunk->const_table, lookup, lookup); + } + + return lookup; +} + +/** + * g_string_chunk_insert_len: + * @chunk: a #GStringChunk + * @string: bytes to insert + * @len: number of bytes of @string to insert, or -1 to insert a + * nul-terminated string + * + * Adds a copy of the first @len bytes of @string to the #GStringChunk. + * The copy is nul-terminated. + * + * Since this function does not stop at nul bytes, it is the caller's + * responsibility to ensure that @string has at least @len addressable + * bytes. + * + * The characters in the returned string can be changed, if necessary, + * though you should not change anything after the end of the string. + * + * Return value: a pointer to the copy of @string within the #GStringChunk + * + * Since: 2.4 + */ +gchar* +g_string_chunk_insert_len (GStringChunk *chunk, + const gchar *string, + gssize len) +{ + gssize size; + gchar* pos; + + g_return_val_if_fail (chunk != NULL, NULL); + + if (len < 0) + size = strlen (string); + else + size = len; + + if ((chunk->storage_next + size + 1) > chunk->this_size) + { + gsize new_size = nearest_power (chunk->default_size, size + 1); + + chunk->storage_list = g_slist_prepend (chunk->storage_list, + g_new (gchar, new_size)); + + chunk->this_size = new_size; + chunk->storage_next = 0; + } + + pos = ((gchar *) chunk->storage_list->data) + chunk->storage_next; + + *(pos + size) = '\0'; + + memcpy (pos, string, size); + + chunk->storage_next += size + 1; + + return pos; +} + +/* Strings. + */ +static void +g_string_maybe_expand (GString* string, + gsize len) +{ + if (string->len + len >= string->allocated_len) + { + string->allocated_len = nearest_power (1, string->len + len + 1); + string->str = g_realloc (string->str, string->allocated_len); + } +} + +/** + * g_string_sized_new: + * @dfl_size: the default size of the space allocated to + * hold the string + * + * Creates a new #GString, with enough space for @dfl_size + * bytes. This is useful if you are going to add a lot of + * text to the string and don't want it to be reallocated + * too often. + * + * Returns: the new #GString + */ +GString* +g_string_sized_new (gsize dfl_size) +{ + GString *string = g_slice_new (GString); + + string->allocated_len = 0; + string->len = 0; + string->str = NULL; + + g_string_maybe_expand (string, MAX (dfl_size, 2)); + string->str[0] = 0; + + return string; +} + +/** + * g_string_new: + * @init: the initial text to copy into the string + * + * Creates a new #GString, initialized with the given string. + * + * Returns: the new #GString + */ +GString* +g_string_new (const gchar *init) +{ + GString *string; + + if (init == NULL || *init == '\0') + string = g_string_sized_new (2); + else + { + gint len; + + len = strlen (init); + string = g_string_sized_new (len + 2); + + g_string_append_len (string, init, len); + } + + return string; +} + +/** + * g_string_new_len: + * @init: initial contents of the string + * @len: length of @init to use + * + * Creates a new #GString with @len bytes of the @init buffer. + * Because a length is provided, @init need not be nul-terminated, + * and can contain embedded nul bytes. + * + * Since this function does not stop at nul bytes, it is the caller's + * responsibility to ensure that @init has at least @len addressable + * bytes. + * + * Returns: a new #GString + */ +GString* +g_string_new_len (const gchar *init, + gssize len) +{ + GString *string; + + if (len < 0) + return g_string_new (init); + else + { + string = g_string_sized_new (len); + + if (init) + g_string_append_len (string, init, len); + + return string; + } +} + +/** + * g_string_free: + * @string: a #GString + * @free_segment: if %TRUE the actual character data is freed as well + * + * Frees the memory allocated for the #GString. + * If @free_segment is %TRUE it also frees the character data. If + * it's %FALSE, the caller gains ownership of the buffer and must + * free it after use with g_free(). + * + * Returns: the character data of @string + * (i.e. %NULL if @free_segment is %TRUE) + */ +gchar* +g_string_free (GString *string, + gboolean free_segment) +{ + gchar *segment; + + g_return_val_if_fail (string != NULL, NULL); + + if (free_segment) + { + g_free (string->str); + segment = NULL; + } + else + segment = string->str; + + g_slice_free (GString, string); + + return segment; +} + +/** + * g_string_equal: + * @v: a #GString + * @v2: another #GString + * + * Compares two strings for equality, returning %TRUE if they are equal. + * For use with #GHashTable. + * + * Returns: %TRUE if they strings are the same length and contain the + * same bytes + */ +gboolean +g_string_equal (const GString *v, + const GString *v2) +{ + gchar *p, *q; + GString *string1 = (GString *) v; + GString *string2 = (GString *) v2; + gsize i = string1->len; + + if (i != string2->len) + return FALSE; + + p = string1->str; + q = string2->str; + while (i) + { + if (*p != *q) + return FALSE; + p++; + q++; + i--; + } + return TRUE; +} + +/** + * g_string_hash: + * @str: a string to hash + * + * Creates a hash code for @str; for use with #GHashTable. + * + * Returns: hash code for @str + */ +/* 31 bit hash function */ +guint +g_string_hash (const GString *str) +{ + const gchar *p = str->str; + gsize n = str->len; + guint h = 0; + + while (n--) + { + h = (h << 5) - h + *p; + p++; + } + + return h; +} + +/** + * g_string_assign: + * @string: the destination #GString. Its current contents + * are destroyed. + * @rval: the string to copy into @string + * + * Copies the bytes from a string into a #GString, + * destroying any previous contents. It is rather like + * the standard strcpy() function, except that you do not + * have to worry about having enough space to copy the string. + * + * Returns: @string + */ +GString* +g_string_assign (GString *string, + const gchar *rval) +{ + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (rval != NULL, string); + + /* Make sure assigning to itself doesn't corrupt the string. */ + if (string->str != rval) + { + /* Assigning from substring should be ok since g_string_truncate + does not realloc. */ + g_string_truncate (string, 0); + g_string_append (string, rval); + } + + return string; +} + +/** + * g_string_truncate: + * @string: a #GString + * @len: the new size of @string + * + * Cuts off the end of the GString, leaving the first @len bytes. + * + * Returns: @string + */ +GString* +g_string_truncate (GString *string, + gsize len) +{ + g_return_val_if_fail (string != NULL, NULL); + + string->len = MIN (len, string->len); + string->str[string->len] = 0; + + return string; +} + +/** + * g_string_set_size: + * @string: a #GString + * @len: the new length + * + * Sets the length of a #GString. If the length is less than + * the current length, the string will be truncated. If the + * length is greater than the current length, the contents + * of the newly added area are undefined. (However, as + * always, string->str[string->len] will be a nul byte.) + * + * Return value: @string + **/ +GString* +g_string_set_size (GString *string, + gsize len) +{ + g_return_val_if_fail (string != NULL, NULL); + + if (len >= string->allocated_len) + g_string_maybe_expand (string, len - string->len); + + string->len = len; + string->str[len] = 0; + + return string; +} + +/** + * g_string_insert_len: + * @string: a #GString + * @pos: position in @string where insertion should + * happen, or -1 for at the end + * @val: bytes to insert + * @len: number of bytes of @val to insert + * + * Inserts @len bytes of @val into @string at @pos. + * Because @len is provided, @val may contain embedded + * nuls and need not be nul-terminated. If @pos is -1, + * bytes are inserted at the end of the string. + * + * Since this function does not stop at nul bytes, it is + * the caller's responsibility to ensure that @val has at + * least @len addressable bytes. + * + * Returns: @string + */ +GString* +g_string_insert_len (GString *string, + gssize pos, + const gchar *val, + gssize len) +{ + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (len == 0 || val != NULL, string); + + if (len == 0) + return string; + + if (len < 0) + len = strlen (val); + + if (pos < 0) + pos = string->len; + else + g_return_val_if_fail (pos <= string->len, string); + + /* Check whether val represents a substring of string. This test + probably violates chapter and verse of the C standards, since + ">=" and "<=" are only valid when val really is a substring. + In practice, it will work on modern archs. */ + if (val >= string->str && val <= string->str + string->len) + { + gsize offset = val - string->str; + gsize precount = 0; + + g_string_maybe_expand (string, len); + val = string->str + offset; + /* At this point, val is valid again. */ + + /* Open up space where we are going to insert. */ + if (pos < string->len) + g_memmove (string->str + pos + len, string->str + pos, string->len - pos); + + /* Move the source part before the gap, if any. */ + if (offset < pos) + { + precount = MIN (len, pos - offset); + memcpy (string->str + pos, val, precount); + } + + /* Move the source part after the gap, if any. */ + if (len > precount) + memcpy (string->str + pos + precount, + val + /* Already moved: */ precount + /* Space opened up: */ len, + len - precount); + } + else + { + g_string_maybe_expand (string, len); + + /* If we aren't appending at the end, move a hunk + * of the old string to the end, opening up space + */ + if (pos < string->len) + g_memmove (string->str + pos + len, string->str + pos, string->len - pos); + + /* insert the new string */ + if (len == 1) + string->str[pos] = *val; + else + memcpy (string->str + pos, val, len); + } + + string->len += len; + + string->str[string->len] = 0; + + return string; +} + +#define SUB_DELIM_CHARS "!$&'()*+,;=" + +/** + * g_string_append: + * @string: a #GString + * @val: the string to append onto the end of @string + * + * Adds a string onto the end of a #GString, expanding + * it if necessary. + * + * Returns: @string + */ +GString* +g_string_append (GString *string, + const gchar *val) +{ + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (val != NULL, string); + + return g_string_insert_len (string, -1, val, -1); +} + +/** + * g_string_append_len: + * @string: a #GString + * @val: bytes to append + * @len: number of bytes of @val to use + * + * Appends @len bytes of @val to @string. Because @len is + * provided, @val may contain embedded nuls and need not + * be nul-terminated. + * + * Since this function does not stop at nul bytes, it is + * the caller's responsibility to ensure that @val has at + * least @len addressable bytes. + * + * Returns: @string + */ +GString* +g_string_append_len (GString *string, + const gchar *val, + gssize len) +{ + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (len == 0 || val != NULL, string); + + return g_string_insert_len (string, -1, val, len); +} + +/** + * g_string_append_c: + * @string: a #GString + * @c: the byte to append onto the end of @string + * + * Adds a byte onto the end of a #GString, expanding + * it if necessary. + * + * Returns: @string + */ +#undef g_string_append_c +GString* +g_string_append_c (GString *string, + gchar c) +{ + g_return_val_if_fail (string != NULL, NULL); + + return g_string_insert_c (string, -1, c); +} + +/** + * g_string_append_unichar: + * @string: a #GString + * @wc: a Unicode character + * + * Converts a Unicode character into UTF-8, and appends it + * to the string. + * + * Return value: @string + **/ +GString* +g_string_append_unichar (GString *string, + gunichar wc) +{ + g_return_val_if_fail (string != NULL, NULL); + + return g_string_insert_unichar (string, -1, wc); +} + +/** + * g_string_prepend: + * @string: a #GString + * @val: the string to prepend on the start of @string + * + * Adds a string on to the start of a #GString, + * expanding it if necessary. + * + * Returns: @string + */ +GString* +g_string_prepend (GString *string, + const gchar *val) +{ + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (val != NULL, string); + + return g_string_insert_len (string, 0, val, -1); +} + +/** + * g_string_prepend_len: + * @string: a #GString + * @val: bytes to prepend + * @len: number of bytes in @val to prepend + * + * Prepends @len bytes of @val to @string. + * Because @len is provided, @val may contain + * embedded nuls and need not be nul-terminated. + * + * Since this function does not stop at nul bytes, + * it is the caller's responsibility to ensure that + * @val has at least @len addressable bytes. + * + * Returns: @string + */ +GString* +g_string_prepend_len (GString *string, + const gchar *val, + gssize len) +{ + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (val != NULL, string); + + return g_string_insert_len (string, 0, val, len); +} + +/** + * g_string_prepend_c: + * @string: a #GString + * @c: the byte to prepend on the start of the #GString + * + * Adds a byte onto the start of a #GString, + * expanding it if necessary. + * + * Returns: @string + */ +GString* +g_string_prepend_c (GString *string, + gchar c) +{ + g_return_val_if_fail (string != NULL, NULL); + + return g_string_insert_c (string, 0, c); +} + +/** + * g_string_prepend_unichar: + * @string: a #GString + * @wc: a Unicode character + * + * Converts a Unicode character into UTF-8, and prepends it + * to the string. + * + * Return value: @string + **/ +GString* +g_string_prepend_unichar (GString *string, + gunichar wc) +{ + g_return_val_if_fail (string != NULL, NULL); + + return g_string_insert_unichar (string, 0, wc); +} + +/** + * g_string_insert: + * @string: a #GString + * @pos: the position to insert the copy of the string + * @val: the string to insert + * + * Inserts a copy of a string into a #GString, + * expanding it if necessary. + * + * Returns: @string + */ +GString* +g_string_insert (GString *string, + gssize pos, + const gchar *val) +{ + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (val != NULL, string); + if (pos >= 0) + g_return_val_if_fail (pos <= string->len, string); + + return g_string_insert_len (string, pos, val, -1); +} + +/** + * g_string_insert_c: + * @string: a #GString + * @pos: the position to insert the byte + * @c: the byte to insert + * + * Inserts a byte into a #GString, expanding it if necessary. + * + * Returns: @string + */ +GString* +g_string_insert_c (GString *string, + gssize pos, + gchar c) +{ + g_return_val_if_fail (string != NULL, NULL); + + g_string_maybe_expand (string, 1); + + if (pos < 0) + pos = string->len; + else + g_return_val_if_fail (pos <= string->len, string); + + /* If not just an append, move the old stuff */ + if (pos < string->len) + g_memmove (string->str + pos + 1, string->str + pos, string->len - pos); + + string->str[pos] = c; + + string->len += 1; + + string->str[string->len] = 0; + + return string; +} + +/** + * g_string_insert_unichar: + * @string: a #GString + * @pos: the position at which to insert character, or -1 to + * append at the end of the string + * @wc: a Unicode character + * + * Converts a Unicode character into UTF-8, and insert it + * into the string at the given position. + * + * Return value: @string + **/ +GString* +g_string_insert_unichar (GString *string, + gssize pos, + gunichar wc) +{ + gint charlen, first, i; + gchar *dest; + + g_return_val_if_fail (string != NULL, NULL); + + /* Code copied from g_unichar_to_utf() */ + if (wc < 0x80) + { + first = 0; + charlen = 1; + } + else if (wc < 0x800) + { + first = 0xc0; + charlen = 2; + } + else if (wc < 0x10000) + { + first = 0xe0; + charlen = 3; + } + else if (wc < 0x200000) + { + first = 0xf0; + charlen = 4; + } + else if (wc < 0x4000000) + { + first = 0xf8; + charlen = 5; + } + else + { + first = 0xfc; + charlen = 6; + } + /* End of copied code */ + + g_string_maybe_expand (string, charlen); + + if (pos < 0) + pos = string->len; + else + g_return_val_if_fail (pos <= string->len, string); + + /* If not just an append, move the old stuff */ + if (pos < string->len) + g_memmove (string->str + pos + charlen, string->str + pos, string->len - pos); + + dest = string->str + pos; + /* Code copied from g_unichar_to_utf() */ + for (i = charlen - 1; i > 0; --i) + { + dest[i] = (wc & 0x3f) | 0x80; + wc >>= 6; + } + dest[0] = wc | first; + /* End of copied code */ + + string->len += charlen; + + string->str[string->len] = 0; + + return string; +} + +/** + * g_string_overwrite: + * @string: a #GString + * @pos: the position at which to start overwriting + * @val: the string that will overwrite the @string starting at @pos + * + * Overwrites part of a string, lengthening it if necessary. + * + * Return value: @string + * + * Since: 2.14 + **/ +GString * +g_string_overwrite (GString *string, + gsize pos, + const gchar *val) +{ + g_return_val_if_fail (val != NULL, string); + return g_string_overwrite_len (string, pos, val, strlen (val)); +} + +/** + * g_string_overwrite_len: + * @string: a #GString + * @pos: the position at which to start overwriting + * @val: the string that will overwrite the @string starting at @pos + * @len: the number of bytes to write from @val + * + * Overwrites part of a string, lengthening it if necessary. + * This function will work with embedded nuls. + * + * Return value: @string + * + * Since: 2.14 + **/ +GString * +g_string_overwrite_len (GString *string, + gsize pos, + const gchar *val, + gssize len) +{ + gsize end; + + g_return_val_if_fail (string != NULL, NULL); + + if (!len) + return string; + + g_return_val_if_fail (val != NULL, string); + g_return_val_if_fail (pos <= string->len, string); + + if (len < 0) + len = strlen (val); + + end = pos + len; + + if (end > string->len) + g_string_maybe_expand (string, end - string->len); + + memcpy (string->str + pos, val, len); + + if (end > string->len) + { + string->str[end] = '\0'; + string->len = end; + } + + return string; +} + +/** + * g_string_erase: + * @string: a #GString + * @pos: the position of the content to remove + * @len: the number of bytes to remove, or -1 to remove all + * following bytes + * + * Removes @len bytes from a #GString, starting at position @pos. + * The rest of the #GString is shifted down to fill the gap. + * + * Returns: @string + */ +GString* +g_string_erase (GString *string, + gssize pos, + gssize len) +{ + g_return_val_if_fail (string != NULL, NULL); + g_return_val_if_fail (pos >= 0, string); + g_return_val_if_fail (pos <= string->len, string); + + if (len < 0) + len = string->len - pos; + else + { + g_return_val_if_fail (pos + len <= string->len, string); + + if (pos + len < string->len) + g_memmove (string->str + pos, string->str + pos + len, string->len - (pos + len)); + } + + string->len -= len; + + string->str[string->len] = 0; + + return string; +} + +/** + * g_string_ascii_down: + * @string: a GString + * + * Converts all upper case ASCII letters to lower case ASCII letters. + * + * Return value: passed-in @string pointer, with all the upper case + * characters converted to lower case in place, with + * semantics that exactly match g_ascii_tolower(). + **/ +GString* +g_string_ascii_down (GString *string) +{ + gchar *s; + gint n; + + g_return_val_if_fail (string != NULL, NULL); + + n = string->len; + s = string->str; + + while (n) + { + *s = g_ascii_tolower (*s); + s++; + n--; + } + + return string; +} + +/** + * g_string_ascii_up: + * @string: a GString + * + * Converts all lower case ASCII letters to upper case ASCII letters. + * + * Return value: passed-in @string pointer, with all the lower case + * characters converted to upper case in place, with + * semantics that exactly match g_ascii_toupper(). + **/ +GString* +g_string_ascii_up (GString *string) +{ + gchar *s; + gint n; + + g_return_val_if_fail (string != NULL, NULL); + + n = string->len; + s = string->str; + + while (n) + { + *s = g_ascii_toupper (*s); + s++; + n--; + } + + return string; +} + +/** + * g_string_down: + * @string: a #GString + * + * Converts a #GString to lowercase. + * + * Returns: the #GString. + * + * Deprecated:2.2: This function uses the locale-specific + * tolower() function, which is almost never the right thing. + * Use g_string_ascii_down() or g_utf8_strdown() instead. + */ +GString* +g_string_down (GString *string) +{ + guchar *s; + glong n; + + g_return_val_if_fail (string != NULL, NULL); + + n = string->len; + s = (guchar *) string->str; + + while (n) + { + if (isupper (*s)) + *s = tolower (*s); + s++; + n--; + } + + return string; +} + +/** + * g_string_up: + * @string: a #GString + * + * Converts a #GString to uppercase. + * + * Return value: @string + * + * Deprecated:2.2: This function uses the locale-specific + * toupper() function, which is almost never the right thing. + * Use g_string_ascii_up() or g_utf8_strup() instead. + **/ +GString* +g_string_up (GString *string) +{ + guchar *s; + glong n; + + g_return_val_if_fail (string != NULL, NULL); + + n = string->len; + s = (guchar *) string->str; + + while (n) + { + if (islower (*s)) + *s = toupper (*s); + s++; + n--; + } + + return string; +} + +/** + * g_string_append_vprintf: + * @string: a #GString + * @format: the string format. See the printf() documentation + * @args: the list of arguments to insert in the output + * + * Appends a formatted string onto the end of a #GString. + * This function is similar to g_string_append_printf() + * except that the arguments to the format string are passed + * as a va_list. + * + * Since: 2.14 + */ +void +g_string_append_vprintf (GString *string, + const gchar *format, + va_list args) +{ + gchar *buf; + gint len; + + g_return_if_fail (string != NULL); + g_return_if_fail (format != NULL); + + len = g_vasprintf (&buf, format, args); + + if (len >= 0) + { + g_string_maybe_expand (string, len); + memcpy (string->str + string->len, buf, len + 1); + string->len += len; + g_free (buf); + } +} + +/** + * g_string_vprintf: + * @string: a #GString + * @format: the string format. See the printf() documentation + * @args: the parameters to insert into the format string + * + * Writes a formatted string into a #GString. + * This function is similar to g_string_printf() except that + * the arguments to the format string are passed as a va_list. + * + * Since: 2.14 + */ +void +g_string_vprintf (GString *string, + const gchar *format, + va_list args) +{ + g_string_truncate (string, 0); + g_string_append_vprintf (string, format, args); +} + +/** + * g_string_sprintf: + * @string: a #GString + * @format: the string format. See the sprintf() documentation + * @...: the parameters to insert into the format string + * + * Writes a formatted string into a #GString. + * This is similar to the standard sprintf() function, + * except that the #GString buffer automatically expands + * to contain the results. The previous contents of the + * #GString are destroyed. + * + * Deprecated: This function has been renamed to g_string_printf(). + */ + +/** + * g_string_printf: + * @string: a #GString + * @format: the string format. See the printf() documentation + * @...: the parameters to insert into the format string + * + * Writes a formatted string into a #GString. + * This is similar to the standard sprintf() function, + * except that the #GString buffer automatically expands + * to contain the results. The previous contents of the + * #GString are destroyed. + */ +void +g_string_printf (GString *string, + const gchar *format, + ...) +{ + va_list args; + + g_string_truncate (string, 0); + + va_start (args, format); + g_string_append_vprintf (string, format, args); + va_end (args); +} + +/** + * g_string_sprintfa: + * @string: a #GString + * @format: the string format. See the sprintf() documentation + * @...: the parameters to insert into the format string + * + * Appends a formatted string onto the end of a #GString. + * This function is similar to g_string_sprintf() except that + * the text is appended to the #GString. + * + * Deprecated: This function has been renamed to g_string_append_printf() + */ + +/** + * g_string_append_printf: + * @string: a #GString + * @format: the string format. See the printf() documentation + * @...: the parameters to insert into the format string + * + * Appends a formatted string onto the end of a #GString. + * This function is similar to g_string_printf() except + * that the text is appended to the #GString. + */ +void +g_string_append_printf (GString *string, + const gchar *format, + ...) +{ + va_list args; + + va_start (args, format); + g_string_append_vprintf (string, format, args); + va_end (args); +} diff --git a/deps/glib/gstring.h b/deps/glib/gstring.h new file mode 100644 index 0000000..8222e42 --- /dev/null +++ b/deps/glib/gstring.h @@ -0,0 +1,186 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_STRING_H__ +#define __G_STRING_H__ + +#include +#include +#include /* for G_CAN_INLINE */ + +G_BEGIN_DECLS + +typedef struct _GString GString; +typedef struct _GStringChunk GStringChunk; + +/** + * GString: + * @str: points to the character data. It may move as text is added. + * The @str field is null-terminated and so + * can be used as an ordinary C string. + * @len: contains the length of the string, not including the + * terminating nul byte. + * @allocated_len: the number of bytes that can be stored in the + * string before it needs to be reallocated. May be larger than @len. + * + * The #GString struct contains the public fields of a #GString. + */ +struct _GString +{ + gchar *str; + gsize len; + gsize allocated_len; +}; + +/* String Chunks + */ +GStringChunk* g_string_chunk_new (gsize size); +void g_string_chunk_free (GStringChunk *chunk); +void g_string_chunk_clear (GStringChunk *chunk); +gchar* g_string_chunk_insert (GStringChunk *chunk, + const gchar *string); +gchar* g_string_chunk_insert_len (GStringChunk *chunk, + const gchar *string, + gssize len); +gchar* g_string_chunk_insert_const (GStringChunk *chunk, + const gchar *string); + + +/* Strings + */ +GString* g_string_new (const gchar *init); +GString* g_string_new_len (const gchar *init, + gssize len); +GString* g_string_sized_new (gsize dfl_size); +gchar* g_string_free (GString *string, + gboolean free_segment); +gboolean g_string_equal (const GString *v, + const GString *v2); +guint g_string_hash (const GString *str); +GString* g_string_assign (GString *string, + const gchar *rval); +GString* g_string_truncate (GString *string, + gsize len); +GString* g_string_set_size (GString *string, + gsize len); +GString* g_string_insert_len (GString *string, + gssize pos, + const gchar *val, + gssize len); +GString* g_string_append (GString *string, + const gchar *val); +GString* g_string_append_len (GString *string, + const gchar *val, + gssize len); +GString* g_string_append_c (GString *string, + gchar c); +GString* g_string_append_unichar (GString *string, + gunichar wc); +GString* g_string_prepend (GString *string, + const gchar *val); +GString* g_string_prepend_c (GString *string, + gchar c); +GString* g_string_prepend_unichar (GString *string, + gunichar wc); +GString* g_string_prepend_len (GString *string, + const gchar *val, + gssize len); +GString* g_string_insert (GString *string, + gssize pos, + const gchar *val); +GString* g_string_insert_c (GString *string, + gssize pos, + gchar c); +GString* g_string_insert_unichar (GString *string, + gssize pos, + gunichar wc); +GString* g_string_overwrite (GString *string, + gsize pos, + const gchar *val); +GString* g_string_overwrite_len (GString *string, + gsize pos, + const gchar *val, + gssize len); +GString* g_string_erase (GString *string, + gssize pos, + gssize len); +GString* g_string_ascii_down (GString *string); +GString* g_string_ascii_up (GString *string); +void g_string_vprintf (GString *string, + const gchar *format, + va_list args); +void g_string_printf (GString *string, + const gchar *format, + ...) G_GNUC_PRINTF (2, 3); +void g_string_append_vprintf (GString *string, + const gchar *format, + va_list args); +void g_string_append_printf (GString *string, + const gchar *format, + ...) G_GNUC_PRINTF (2, 3); + +/* -- optimize g_strig_append_c --- */ +#ifdef G_CAN_INLINE +static inline GString* +g_string_append_c_inline (GString *gstring, + gchar c) +{ + if (gstring->len + 1 < gstring->allocated_len) + { + gstring->str[gstring->len++] = c; + gstring->str[gstring->len] = 0; + } + else + g_string_insert_c (gstring, -1, c); + return gstring; +} +#define g_string_append_c(gstr,c) g_string_append_c_inline (gstr, c) +#endif /* G_CAN_INLINE */ + + +#ifndef G_DISABLE_DEPRECATED + +/* The following two functions are deprecated and will be removed in + * the next major release. They use the locale-specific tolower and + * toupper, which is almost never the right thing. + */ + +GString* g_string_down (GString *string); +GString* g_string_up (GString *string); + +/* These aliases are included for compatibility. */ +#define g_string_sprintf g_string_printf +#define g_string_sprintfa g_string_append_printf + +#endif /* G_DISABLE_DEPRECATED */ + +G_END_DECLS + +#endif /* __G_STRING_H__ */ diff --git a/deps/glib/gtestutils.c b/deps/glib/gtestutils.c new file mode 100644 index 0000000..a339fed --- /dev/null +++ b/deps/glib/gtestutils.c @@ -0,0 +1,516 @@ +/* GLib testing utilities + * Copyright (C) 2007 Imendio AB + * Authors: Tim Janik, Sven Herzberg + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "config.h" + +#include "gtestutils.h" + +#include +#ifdef G_OS_UNIX +#include +#include +#include +#endif +#include +#include +#include +#ifdef HAVE_UNISTD_H +#include +#endif +#ifdef G_OS_WIN32 +#include +#endif +#include +#include +#ifdef HAVE_SYS_SELECT_H +#include +#endif /* HAVE_SYS_SELECT_H */ + +#include "gmain.h" +#include "gstrfuncs.h" + + +/* Global variable for storing assertion messages; this is the counterpart to + * glibc's (private) __abort_msg variable, and allows developers and crash + * analysis systems like Apport and ABRT to fish out assertion messages from + * core dumps, instead of having to catch them on screen output. */ +char *__glib_assert_msg = NULL; + +static guint8* g_test_log_dump (GTestLogMsg *msg, + guint *len); + +/* --- variables --- */ +static int test_log_fd = -1; +static int test_trap_last_pid = 0; +static gboolean test_debug_log = FALSE; + +/* --- functions --- */ +const char* +g_test_log_type_name (GTestLogType log_type) +{ + switch (log_type) + { + case G_TEST_LOG_NONE: return "none"; + case G_TEST_LOG_ERROR: return "error"; + } + return "???"; +} + +static void +g_test_log_send (guint n_bytes, + const guint8 *buffer) +{ + if (test_log_fd >= 0) + { + int r; + do + r = write (test_log_fd, buffer, n_bytes); + while (r < 0 && errno == EINTR); + } + if (test_debug_log) + { + GTestLogBuffer *lbuffer = g_test_log_buffer_new (); + GTestLogMsg *msg; + guint ui; + g_test_log_buffer_push (lbuffer, n_bytes, buffer); + msg = g_test_log_buffer_pop (lbuffer); + g_warn_if_fail (msg != NULL); + g_warn_if_fail (lbuffer->data->len == 0); + g_test_log_buffer_free (lbuffer); + /* print message */ + g_printerr ("{*LOG(%s)", g_test_log_type_name (msg->log_type)); + for (ui = 0; ui < msg->n_strings; ui++) + g_printerr (":{%s}", msg->strings[ui]); + if (msg->n_nums) + { + g_printerr (":("); + for (ui = 0; ui < msg->n_nums; ui++) + g_printerr ("%s%.16Lg", ui ? ";" : "", msg->nums[ui]); + g_printerr (")"); + } + g_printerr (":LOG*}\n"); + g_test_log_msg_free (msg); + } +} + +static void +g_test_log (GTestLogType lbit, + const gchar *string1, + const gchar *string2, + guint n_args, + long double *largs) +{ + GTestLogMsg msg; + gchar *astrings[3] = { NULL, NULL, NULL }; + guint8 *dbuffer; + guint32 dbufferlen; + + msg.log_type = lbit; + msg.n_strings = (string1 != NULL) + (string1 && string2); + msg.strings = astrings; + astrings[0] = (gchar*) string1; + astrings[1] = astrings[0] ? (gchar*) string2 : NULL; + msg.n_nums = n_args; + msg.nums = largs; + dbuffer = g_test_log_dump (&msg, &dbufferlen); + g_test_log_send (dbufferlen, dbuffer); + g_free (dbuffer); +} + +void +g_assertion_message (const char *domain, + const char *file, + int line, + const char *func, + const char *message) +{ + char lstr[32]; + char *s; + + if (!message) + message = "code should not be reached"; + g_snprintf (lstr, 32, "%d", line); + s = g_strconcat (domain ? domain : "", domain && domain[0] ? ":" : "", + "ERROR:", file, ":", lstr, ":", + func, func[0] ? ":" : "", + " ", message, NULL); + g_printerr ("**\n%s\n", s); + + /* store assertion message in global variable, so that it can be found in a + * core dump */ + if (__glib_assert_msg != NULL) + /* free the old one */ + free (__glib_assert_msg); + __glib_assert_msg = (char*) malloc (strlen (s) + 1); + strcpy (__glib_assert_msg, s); + + g_test_log (G_TEST_LOG_ERROR, s, NULL, 0, NULL); + g_free (s); + abort(); +} + +void +g_assertion_message_expr (const char *domain, + const char *file, + int line, + const char *func, + const char *expr) +{ + char *s = g_strconcat ("assertion failed: (", expr, ")", NULL); + g_assertion_message (domain, file, line, func, s); + g_free (s); +} + +void +g_assertion_message_cmpnum (const char *domain, + const char *file, + int line, + const char *func, + const char *expr, + long double arg1, + const char *cmp, + long double arg2, + char numtype) +{ + char *s = NULL; + switch (numtype) + { + case 'i': s = g_strdup_printf ("assertion failed (%s): (%.0Lf %s %.0Lf)", expr, arg1, cmp, arg2); break; + case 'x': s = g_strdup_printf ("assertion failed (%s): (0x%08" G_GINT64_MODIFIER "x %s 0x%08" G_GINT64_MODIFIER "x)", expr, (guint64) arg1, cmp, (guint64) arg2); break; + case 'f': s = g_strdup_printf ("assertion failed (%s): (%.9Lg %s %.9Lg)", expr, arg1, cmp, arg2); break; + /* ideally use: floats=%.7g double=%.17g */ + } + g_assertion_message (domain, file, line, func, s); + g_free (s); +} + +void +g_assertion_message_cmpstr (const char *domain, + const char *file, + int line, + const char *func, + const char *expr, + const char *arg1, + const char *cmp, + const char *arg2) +{ + char *a1, *a2, *s, *t1 = NULL, *t2 = NULL; + a1 = arg1 ? g_strconcat ("\"", t1 = g_strescape (arg1, NULL), "\"", NULL) : g_strdup ("NULL"); + a2 = arg2 ? g_strconcat ("\"", t2 = g_strescape (arg2, NULL), "\"", NULL) : g_strdup ("NULL"); + g_free (t1); + g_free (t2); + s = g_strdup_printf ("assertion failed (%s): (%s %s %s)", expr, a1, cmp, a2); + g_free (a1); + g_free (a2); + g_assertion_message (domain, file, line, func, s); + g_free (s); +} + +void +g_assertion_message_error (const char *domain, + const char *file, + int line, + const char *func, + const char *expr, + const GError *error, + GQuark error_domain, + int error_code) +{ + GString *gstring; + + /* This is used by both g_assert_error() and g_assert_no_error(), so there + * are three cases: expected an error but got the wrong error, expected + * an error but got no error, and expected no error but got an error. + */ + + gstring = g_string_new ("assertion failed "); + if (error_domain) + g_string_append_printf (gstring, "(%s == (%s, %d)): ", expr, + g_quark_to_string (error_domain), error_code); + else + g_string_append_printf (gstring, "(%s == NULL): ", expr); + + if (error) + g_string_append_printf (gstring, "%s (%s, %d)", error->message, + g_quark_to_string (error->domain), error->code); + else + g_string_append_printf (gstring, "%s is NULL", expr); + + g_assertion_message (domain, file, line, func, gstring->str); + g_string_free (gstring, TRUE); +} + +/** + * g_strcmp0: + * @str1: a C string or %NULL + * @str2: another C string or %NULL + * + * Compares @str1 and @str2 like strcmp(). Handles %NULL + * gracefully by sorting it before non-%NULL strings. + * Comparing two %NULL pointers returns 0. + * + * Returns: -1, 0 or 1, if @str1 is <, == or > than @str2. + * + * Since: 2.16 + */ +int +g_strcmp0 (const char *str1, + const char *str2) +{ + if (!str1) + return -(str1 != str2); + if (!str2) + return str1 != str2; + return strcmp (str1, str2); +} + +static inline int +g_string_must_read (GString *gstring, + int fd) +{ +#define STRING_BUFFER_SIZE 4096 + char buf[STRING_BUFFER_SIZE]; + gssize bytes; + again: + bytes = read (fd, buf, sizeof (buf)); + if (bytes == 0) + return 0; /* EOF, calling this function assumes data is available */ + else if (bytes > 0) + { + g_string_append_len (gstring, buf, bytes); + return 1; + } + else if (bytes < 0 && errno == EINTR) + goto again; + else /* bytes < 0 */ + { + g_warning ("failed to read() from child process (%d): %s", test_trap_last_pid, g_strerror (errno)); + return 1; /* ignore error after warning */ + } +} + +static inline void +g_string_write_out (GString *gstring, + int outfd, + int *stringpos) +{ + if (*stringpos < gstring->len) + { + int r; + do + r = write (outfd, gstring->str + *stringpos, gstring->len - *stringpos); + while (r < 0 && errno == EINTR); + *stringpos += MAX (r, 0); + } +} + +static void +gstring_overwrite_int (GString *gstring, + guint pos, + guint32 vuint) +{ + vuint = g_htonl (vuint); + g_string_overwrite_len (gstring, pos, (const gchar*) &vuint, 4); +} + +static void +gstring_append_int (GString *gstring, + guint32 vuint) +{ + vuint = g_htonl (vuint); + g_string_append_len (gstring, (const gchar*) &vuint, 4); +} + +static void +gstring_append_double (GString *gstring, + double vdouble) +{ + union { double vdouble; guint64 vuint64; } u; + u.vdouble = vdouble; + u.vuint64 = GUINT64_TO_BE (u.vuint64); + g_string_append_len (gstring, (const gchar*) &u.vuint64, 8); +} + +static guint8* +g_test_log_dump (GTestLogMsg *msg, + guint *len) +{ + GString *gstring = g_string_sized_new (1024); + guint ui; + gstring_append_int (gstring, 0); /* message length */ + gstring_append_int (gstring, msg->log_type); + gstring_append_int (gstring, msg->n_strings); + gstring_append_int (gstring, msg->n_nums); + gstring_append_int (gstring, 0); /* reserved */ + for (ui = 0; ui < msg->n_strings; ui++) + { + guint l = strlen (msg->strings[ui]); + gstring_append_int (gstring, l); + g_string_append_len (gstring, msg->strings[ui], l); + } + for (ui = 0; ui < msg->n_nums; ui++) + gstring_append_double (gstring, msg->nums[ui]); + *len = gstring->len; + gstring_overwrite_int (gstring, 0, *len); /* message length */ + return (guint8*) g_string_free (gstring, FALSE); +} + +static inline long double +net_double (const gchar **ipointer) +{ + union { guint64 vuint64; double vdouble; } u; + guint64 aligned_int64; + memcpy (&aligned_int64, *ipointer, 8); + *ipointer += 8; + u.vuint64 = GUINT64_FROM_BE (aligned_int64); + return u.vdouble; +} + +static inline guint32 +net_int (const gchar **ipointer) +{ + guint32 aligned_int; + memcpy (&aligned_int, *ipointer, 4); + *ipointer += 4; + return g_ntohl (aligned_int); +} + +static gboolean +g_test_log_extract (GTestLogBuffer *tbuffer) +{ + const gchar *p = tbuffer->data->str; + GTestLogMsg msg; + guint mlength; + if (tbuffer->data->len < 4 * 5) + return FALSE; + mlength = net_int (&p); + if (tbuffer->data->len < mlength) + return FALSE; + msg.log_type = net_int (&p); + msg.n_strings = net_int (&p); + msg.n_nums = net_int (&p); + if (net_int (&p) == 0) + { + guint ui; + msg.strings = g_new0 (gchar*, msg.n_strings + 1); + msg.nums = g_new0 (long double, msg.n_nums); + for (ui = 0; ui < msg.n_strings; ui++) + { + guint sl = net_int (&p); + msg.strings[ui] = g_strndup (p, sl); + p += sl; + } + for (ui = 0; ui < msg.n_nums; ui++) + msg.nums[ui] = net_double (&p); + if (p <= tbuffer->data->str + mlength) + { + g_string_erase (tbuffer->data, 0, mlength); + tbuffer->msgs = g_slist_prepend (tbuffer->msgs, g_memdup (&msg, sizeof (msg))); + return TRUE; + } + } + g_free (msg.nums); + g_strfreev (msg.strings); + g_error ("corrupt log stream from test program"); + return FALSE; +} + +/** + * g_test_log_buffer_new: + * + * Internal function for gtester to decode test log messages, no ABI guarantees provided. + */ +GTestLogBuffer* +g_test_log_buffer_new (void) +{ + GTestLogBuffer *tb = g_new0 (GTestLogBuffer, 1); + tb->data = g_string_sized_new (1024); + return tb; +} + +/** + * g_test_log_buffer_free + * + * Internal function for gtester to free test log messages, no ABI guarantees provided. + */ +void +g_test_log_buffer_free (GTestLogBuffer *tbuffer) +{ + g_return_if_fail (tbuffer != NULL); + while (tbuffer->msgs) + g_test_log_msg_free (g_test_log_buffer_pop (tbuffer)); + g_string_free (tbuffer->data, TRUE); + g_free (tbuffer); +} + +/** + * g_test_log_buffer_push + * + * Internal function for gtester to decode test log messages, no ABI guarantees provided. + */ +void +g_test_log_buffer_push (GTestLogBuffer *tbuffer, + guint n_bytes, + const guint8 *bytes) +{ + g_return_if_fail (tbuffer != NULL); + if (n_bytes) + { + gboolean more_messages; + g_return_if_fail (bytes != NULL); + g_string_append_len (tbuffer->data, (const gchar*) bytes, n_bytes); + do + more_messages = g_test_log_extract (tbuffer); + while (more_messages); + } +} + +/** + * g_test_log_buffer_pop: + * + * Internal function for gtester to retrieve test log messages, no ABI guarantees provided. + */ +GTestLogMsg* +g_test_log_buffer_pop (GTestLogBuffer *tbuffer) +{ + GTestLogMsg *msg = NULL; + g_return_val_if_fail (tbuffer != NULL, NULL); + if (tbuffer->msgs) + { + GSList *slist = g_slist_last (tbuffer->msgs); + msg = slist->data; + tbuffer->msgs = g_slist_delete_link (tbuffer->msgs, slist); + } + return msg; +} + +/** + * g_test_log_msg_free: + * + * Internal function for gtester to free test log messages, no ABI guarantees provided. + */ +void +g_test_log_msg_free (GTestLogMsg *tmsg) +{ + g_return_if_fail (tmsg != NULL); + g_strfreev (tmsg->strings); + g_free (tmsg->nums); + g_free (tmsg); +} diff --git a/deps/glib/gtestutils.h b/deps/glib/gtestutils.h new file mode 100644 index 0000000..8de5248 --- /dev/null +++ b/deps/glib/gtestutils.h @@ -0,0 +1,161 @@ +/* GLib testing utilities + * Copyright (C) 2007 Imendio AB + * Authors: Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_TEST_UTILS_H__ +#define __G_TEST_UTILS_H__ + +#include +#include +#include +#include + +G_BEGIN_DECLS + +/* assertion API */ +#define g_assert_cmpstr(s1, cmp, s2) do { const char *__s1 = (s1), *__s2 = (s2); \ + if (g_strcmp0 (__s1, __s2) cmp 0) ; else \ + g_assertion_message_cmpstr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ + #s1 " " #cmp " " #s2, __s1, #cmp, __s2); } while (0) +#define g_assert_cmpint(n1, cmp, n2) do { gint64 __n1 = (n1), __n2 = (n2); \ + if (__n1 cmp __n2) ; else \ + g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ + #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'i'); } while (0) +#define g_assert_cmpuint(n1, cmp, n2) do { guint64 __n1 = (n1), __n2 = (n2); \ + if (__n1 cmp __n2) ; else \ + g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ + #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'i'); } while (0) +#define g_assert_cmphex(n1, cmp, n2) do { guint64 __n1 = (n1), __n2 = (n2); \ + if (__n1 cmp __n2) ; else \ + g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ + #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'x'); } while (0) +#define g_assert_cmpfloat(n1,cmp,n2) do { long double __n1 = (n1), __n2 = (n2); \ + if (__n1 cmp __n2) ; else \ + g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ + #n1 " " #cmp " " #n2, __n1, #cmp, __n2, 'f'); } while (0) +#define g_assert_no_error(err) do { if (err) \ + g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ + #err, err, 0, 0); } while (0) +#define g_assert_error(err, dom, c) do { if (!err || (err)->domain != dom || (err)->code != c) \ + g_assertion_message_error (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ + #err, err, dom, c); } while (0) +#ifdef G_DISABLE_ASSERT +#define g_assert_not_reached() do { (void) 0; } while (0) +#define g_assert(expr) do { (void) 0; } while (0) +#else /* !G_DISABLE_ASSERT */ +#define g_assert_not_reached() do { g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, NULL); } while (0) +#define g_assert(expr) do { if G_LIKELY (expr) ; else \ + g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ + #expr); } while (0) +#endif /* !G_DISABLE_ASSERT */ + +int g_strcmp0 (const char *str1, + const char *str2); + +void g_assertion_message (const char *domain, + const char *file, + int line, + const char *func, + const char *message) G_GNUC_NORETURN; +void g_assertion_message_expr (const char *domain, + const char *file, + int line, + const char *func, + const char *expr) G_GNUC_NORETURN; +void g_assertion_message_cmpstr (const char *domain, + const char *file, + int line, + const char *func, + const char *expr, + const char *arg1, + const char *cmp, + const char *arg2) G_GNUC_NORETURN; +void g_assertion_message_cmpnum (const char *domain, + const char *file, + int line, + const char *func, + const char *expr, + long double arg1, + const char *cmp, + long double arg2, + char numtype) G_GNUC_NORETURN; +void g_assertion_message_error (const char *domain, + const char *file, + int line, + const char *func, + const char *expr, + const GError *error, + GQuark error_domain, + int error_code) G_GNUC_NORETURN; +/* internal logging API */ +typedef enum { + G_TEST_LOG_NONE, + G_TEST_LOG_ERROR, /* s:msg */ +} GTestLogType; + +typedef struct { + GTestLogType log_type; + guint n_strings; + gchar **strings; /* NULL terminated */ + guint n_nums; + long double *nums; +} GTestLogMsg; +typedef struct { + /*< private >*/ + GString *data; + GSList *msgs; +} GTestLogBuffer; + +const char* g_test_log_type_name (GTestLogType log_type); +GTestLogBuffer* g_test_log_buffer_new (void); +void g_test_log_buffer_free (GTestLogBuffer *tbuffer); +void g_test_log_buffer_push (GTestLogBuffer *tbuffer, + guint n_bytes, + const guint8 *bytes); +GTestLogMsg* g_test_log_buffer_pop (GTestLogBuffer *tbuffer); +void g_test_log_msg_free (GTestLogMsg *tmsg); + +/** + * GTestLogFatalFunc: + * @log_domain: the log domain of the message + * @log_level: the log level of the message (including the fatal and recursion flags) + * @message: the message to process + * @user_data: user data, set in g_test_log_set_fatal_handler() + * + * Specifies the prototype of fatal log handler functions. + * + * Return value: %TRUE if the program should abort, %FALSE otherwise + * + * Since: 2.22 + */ +typedef gboolean (*GTestLogFatalFunc) (const gchar *log_domain, + GLogLevelFlags log_level, + const gchar *message, + gpointer user_data); +void +g_test_log_set_fatal_handler (GTestLogFatalFunc log_func, + gpointer user_data); + +G_END_DECLS + +#endif /* __G_TEST_UTILS_H__ */ diff --git a/deps/glib/gthread.c b/deps/glib/gthread.c new file mode 100644 index 0000000..654628b --- /dev/null +++ b/deps/glib/gthread.c @@ -0,0 +1,2601 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * gthread.c: MT safety related functions + * Copyright 1998 Sebastian Wilhelmi; University of Karlsruhe + * Owen Taylor + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* Prelude {{{1 ----------------------------------------------------------- */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +/* implement gthread.h's inline functions */ +#define G_IMPLEMENT_INLINES 1 +#define __G_THREAD_C__ + +#include "config.h" + +#include "gthread.h" +#include "gthreadprivate.h" + +#ifdef HAVE_UNISTD_H +#include +#endif + +#ifndef G_OS_WIN32 +#include +#include +#else +#include +#endif /* G_OS_WIN32 */ + +#include + +#include "garray.h" +#include "gbitlock.h" +#include "gslist.h" +#include "gtestutils.h" +//#include "gtimer.h" + +/** + * SECTION:threads + * @title: Threads + * @short_description: thread abstraction; including threads, different + * mutexes, conditions and thread private data + * @see_also: #GThreadPool, #GAsyncQueue + * + * Threads act almost like processes, but unlike processes all threads + * of one process share the same memory. This is good, as it provides + * easy communication between the involved threads via this shared + * memory, and it is bad, because strange things (so called + * "Heisenbugs") might happen if the program is not carefully designed. + * In particular, due to the concurrent nature of threads, no + * assumptions on the order of execution of code running in different + * threads can be made, unless order is explicitly forced by the + * programmer through synchronization primitives. + * + * The aim of the thread related functions in GLib is to provide a + * portable means for writing multi-threaded software. There are + * primitives for mutexes to protect the access to portions of memory + * (#GMutex, #GStaticMutex, #G_LOCK_DEFINE, #GStaticRecMutex and + * #GStaticRWLock). There is a facility to use individual bits for + * locks (g_bit_lock()). There are primitives for condition variables to + * allow synchronization of threads (#GCond). There are primitives for + * thread-private data - data that every thread has a private instance + * of (#GPrivate, #GStaticPrivate). There are facilities for one-time + * initialization (#GOnce, g_once_init_enter()). Last but definitely + * not least there are primitives to portably create and manage + * threads (#GThread). + * + * The threading system is initialized with g_thread_init(), which + * takes an optional custom thread implementation or %NULL for the + * default implementation. If you want to call g_thread_init() with a + * non-%NULL argument this must be done before executing any other GLib + * functions (except g_mem_set_vtable()). This is a requirement even if + * no threads are in fact ever created by the process. + * + * Calling g_thread_init() with a %NULL argument is somewhat more + * relaxed. You may call any other glib functions in the main thread + * before g_thread_init() as long as g_thread_init() is not called from + * a glib callback, or with any locks held. However, many libraries + * above glib does not support late initialization of threads, so doing + * this should be avoided if possible. + * + * Please note that since version 2.24 the GObject initialization + * function g_type_init() initializes threads (with a %NULL argument), + * so most applications, including those using Gtk+ will run with + * threads enabled. If you want a special thread implementation, make + * sure you call g_thread_init() before g_type_init() is called. + * + * After calling g_thread_init(), GLib is completely thread safe (all + * global data is automatically locked), but individual data structure + * instances are not automatically locked for performance reasons. So, + * for example you must coordinate accesses to the same #GHashTable + * from multiple threads. The two notable exceptions from this rule + * are #GMainLoop and #GAsyncQueue, which are + * threadsafe and need no further application-level locking to be + * accessed from multiple threads. + * + * To help debugging problems in multithreaded applications, GLib + * supports error-checking mutexes that will give you helpful error + * messages on common problems. To use error-checking mutexes, define + * the symbol #G_ERRORCHECK_MUTEXES when compiling the application. + **/ + +/** + * G_THREADS_IMPL_POSIX: + * + * This macro is defined if POSIX style threads are used. + **/ + +/** + * G_THREADS_ENABLED: + * + * This macro is defined if GLib was compiled with thread support. This + * does not necessarily mean that there is a thread implementation + * available, but it does mean that the infrastructure is in place and + * that once you provide a thread implementation to g_thread_init(), + * GLib will be multi-thread safe. If #G_THREADS_ENABLED is not + * defined, then Glib is not, and cannot be, multi-thread safe. + **/ + +/** + * G_THREADS_IMPL_NONE: + * + * This macro is defined if no thread implementation is used. You can, + * however, provide one to g_thread_init() to make GLib multi-thread + * safe. + **/ + +/* G_LOCK Documentation {{{1 ---------------------------------------------- */ + +/* IMPLEMENTATION NOTE: + * + * G_LOCK_DEFINE and friends are convenience macros defined in + * gthread.h. Their documentation lives here. + */ + +/** + * G_LOCK_DEFINE: + * @name: the name of the lock. + * + * The %G_LOCK_* macros provide a convenient interface to #GStaticMutex + * with the advantage that they will expand to nothing in programs + * compiled against a thread-disabled GLib, saving code and memory + * there. #G_LOCK_DEFINE defines a lock. It can appear anywhere + * variable definitions may appear in programs, i.e. in the first block + * of a function or outside of functions. The @name parameter will be + * mangled to get the name of the #GStaticMutex. This means that you + * can use names of existing variables as the parameter - e.g. the name + * of the variable you intent to protect with the lock. Look at our + * give_me_next_number() example using the + * %G_LOCK_* macros: + * + * + * Using the %G_LOCK_* convenience macros + * + * G_LOCK_DEFINE (current_number); + * + * int + * give_me_next_number (void) + * { + * static int current_number = 0; + * int ret_val; + * + * G_LOCK (current_number); + * ret_val = current_number = calc_next_number (current_number); + * G_UNLOCK (current_number); + * + * return ret_val; + * } + * + * + **/ + +/** + * G_LOCK_DEFINE_STATIC: + * @name: the name of the lock. + * + * This works like #G_LOCK_DEFINE, but it creates a static object. + **/ + +/** + * G_LOCK_EXTERN: + * @name: the name of the lock. + * + * This declares a lock, that is defined with #G_LOCK_DEFINE in another + * module. + **/ + +/** + * G_LOCK: + * @name: the name of the lock. + * + * Works like g_mutex_lock(), but for a lock defined with + * #G_LOCK_DEFINE. + **/ + +/** + * G_TRYLOCK: + * @name: the name of the lock. + * @Returns: %TRUE, if the lock could be locked. + * + * Works like g_mutex_trylock(), but for a lock defined with + * #G_LOCK_DEFINE. + **/ + +/** + * G_UNLOCK: + * @name: the name of the lock. + * + * Works like g_mutex_unlock(), but for a lock defined with + * #G_LOCK_DEFINE. + **/ + +/* GThreadError {{{1 ------------------------------------------------------- */ +/** + * GThreadError: + * @G_THREAD_ERROR_AGAIN: a thread couldn't be created due to resource + * shortage. Try again later. + * + * Possible errors of thread related functions. + **/ + +/** + * G_THREAD_ERROR: + * + * The error domain of the GLib thread subsystem. + **/ +GQuark +g_thread_error_quark (void) +{ + return g_quark_from_static_string ("g_thread_error"); +} + +/* Miscellaneous Structures {{{1 ------------------------------------------ */ +typedef struct _GRealThread GRealThread; +struct _GRealThread +{ + GThread thread; + /* Bit 0 protects private_data. To avoid deadlocks, do not block while + * holding this (particularly on the g_thread lock). */ + volatile gint private_data_lock; + GArray *private_data; + GRealThread *next; + gpointer retval; + GSystemThread system_thread; +}; + +#define LOCK_PRIVATE_DATA(self) g_bit_lock (&(self)->private_data_lock, 0) +#define UNLOCK_PRIVATE_DATA(self) g_bit_unlock (&(self)->private_data_lock, 0) + +typedef struct _GStaticPrivateNode GStaticPrivateNode; +struct _GStaticPrivateNode +{ + gpointer data; + GDestroyNotify destroy; +}; + +static void g_thread_cleanup (gpointer data); +static void g_thread_fail (void); +static guint64 gettime (void); + +guint64 (*g_thread_gettime) (void) = gettime; + +/* Global Variables {{{1 -------------------------------------------------- */ + +static GSystemThread zero_thread; /* This is initialized to all zero */ +gboolean g_thread_use_default_impl = TRUE; + +/** + * g_thread_supported: + * @Returns: %TRUE, if the thread system is initialized. + * + * This function returns %TRUE if the thread system is initialized, and + * %FALSE if it is not. + * + * This function is actually a macro. Apart from taking the + * address of it you can however use it as if it was a + * function. + **/ + +/* IMPLEMENTATION NOTE: + * + * g_thread_supported() is just returns g_threads_got_initialized + */ +gboolean g_threads_got_initialized = FALSE; + + +/* Thread Implementation Virtual Function Table {{{1 ---------------------- */ +/* Virtual Function Table Documentation {{{2 ------------------------------ */ +/** + * GThreadFunctions: + * @mutex_new: virtual function pointer for g_mutex_new() + * @mutex_lock: virtual function pointer for g_mutex_lock() + * @mutex_trylock: virtual function pointer for g_mutex_trylock() + * @mutex_unlock: virtual function pointer for g_mutex_unlock() + * @mutex_free: virtual function pointer for g_mutex_free() + * @cond_new: virtual function pointer for g_cond_new() + * @cond_signal: virtual function pointer for g_cond_signal() + * @cond_broadcast: virtual function pointer for g_cond_broadcast() + * @cond_wait: virtual function pointer for g_cond_wait() + * @cond_timed_wait: virtual function pointer for g_cond_timed_wait() + * @cond_free: virtual function pointer for g_cond_free() + * @private_new: virtual function pointer for g_private_new() + * @private_get: virtual function pointer for g_private_get() + * @private_set: virtual function pointer for g_private_set() + * @thread_create: virtual function pointer for g_thread_create() + * @thread_yield: virtual function pointer for g_thread_yield() + * @thread_join: virtual function pointer for g_thread_join() + * @thread_exit: virtual function pointer for g_thread_exit() + * @thread_set_priority: virtual function pointer for + * g_thread_set_priority() + * @thread_self: virtual function pointer for g_thread_self() + * @thread_equal: used internally by recursive mutex locks and by some + * assertion checks + * + * This function table is used by g_thread_init() to initialize the + * thread system. The functions in the table are directly used by their + * g_* prepended counterparts (described in this document). For + * example, if you call g_mutex_new() then mutex_new() from the table + * provided to g_thread_init() will be called. + * + * Do not use this struct unless you know what you are + * doing. + **/ + +/* IMPLEMENTATION NOTE: + * + * g_thread_functions_for_glib_use is a global symbol that gets used by + * most of the "primitive" threading calls. g_mutex_lock(), for + * example, is just a macro that calls the appropriate virtual function + * out of this table. + * + * For that reason, all of those macros are documented here. + */ +GThreadFunctions g_thread_functions_for_glib_use = { +/* GMutex Virtual Functions {{{2 ------------------------------------------ */ + +/** + * GMutex: + * + * The #GMutex struct is an opaque data structure to represent a mutex + * (mutual exclusion). It can be used to protect data against shared + * access. Take for example the following function: + * + * + * A function which will not work in a threaded environment + * + * int + * give_me_next_number (void) + * { + * static int current_number = 0; + * + * /* now do a very complicated calculation to calculate the new + * * number, this might for example be a random number generator + * */ + * current_number = calc_next_number (current_number); + * + * return current_number; + * } + * + * + * + * It is easy to see that this won't work in a multi-threaded + * application. There current_number must be protected against shared + * access. A first naive implementation would be: + * + * + * The wrong way to write a thread-safe function + * + * int + * give_me_next_number (void) + * { + * static int current_number = 0; + * int ret_val; + * static GMutex * mutex = NULL; + * + * if (!mutex) mutex = g_mutex_new (); + * + * g_mutex_lock (mutex); + * ret_val = current_number = calc_next_number (current_number); + * g_mutex_unlock (mutex); + * + * return ret_val; + * } + * + * + * + * This looks like it would work, but there is a race condition while + * constructing the mutex and this code cannot work reliable. Please do + * not use such constructs in your own programs! One working solution + * is: + * + * + * A correct thread-safe function + * + * static GMutex *give_me_next_number_mutex = NULL; + * + * /* this function must be called before any call to + * * give_me_next_number() + * * + * * it must be called exactly once. + * */ + * void + * init_give_me_next_number (void) + * { + * g_assert (give_me_next_number_mutex == NULL); + * give_me_next_number_mutex = g_mutex_new (); + * } + * + * int + * give_me_next_number (void) + * { + * static int current_number = 0; + * int ret_val; + * + * g_mutex_lock (give_me_next_number_mutex); + * ret_val = current_number = calc_next_number (current_number); + * g_mutex_unlock (give_me_next_number_mutex); + * + * return ret_val; + * } + * + * + * + * #GStaticMutex provides a simpler and safer way of doing this. + * + * If you want to use a mutex, and your code should also work without + * calling g_thread_init() first, then you cannot use a #GMutex, as + * g_mutex_new() requires that the thread system be initialized. Use a + * #GStaticMutex instead. + * + * A #GMutex should only be accessed via the following functions. + * + * All of the g_mutex_* functions are + * actually macros. Apart from taking their addresses, you can however + * use them as if they were functions. + **/ + +/** + * g_mutex_new: + * @Returns: a new #GMutex. + * + * Creates a new #GMutex. + * + * This function will abort if g_thread_init() has not been + * called yet. + **/ + (GMutex*(*)())g_thread_fail, + +/** + * g_mutex_lock: + * @mutex: a #GMutex. + * + * Locks @mutex. If @mutex is already locked by another thread, the + * current thread will block until @mutex is unlocked by the other + * thread. + * + * This function can be used even if g_thread_init() has not yet been + * called, and, in that case, will do nothing. + * + * #GMutex is neither guaranteed to be recursive nor to be + * non-recursive, i.e. a thread could deadlock while calling + * g_mutex_lock(), if it already has locked @mutex. Use + * #GStaticRecMutex, if you need recursive mutexes. + **/ + NULL, + +/** + * g_mutex_trylock: + * @mutex: a #GMutex. + * @Returns: %TRUE, if @mutex could be locked. + * + * Tries to lock @mutex. If @mutex is already locked by another thread, + * it immediately returns %FALSE. Otherwise it locks @mutex and returns + * %TRUE. + * + * This function can be used even if g_thread_init() has not yet been + * called, and, in that case, will immediately return %TRUE. + * + * #GMutex is neither guaranteed to be recursive nor to be + * non-recursive, i.e. the return value of g_mutex_trylock() could be + * both %FALSE or %TRUE, if the current thread already has locked + * @mutex. Use #GStaticRecMutex, if you need recursive + * mutexes. + **/ + NULL, + +/** + * g_mutex_unlock: + * @mutex: a #GMutex. + * + * Unlocks @mutex. If another thread is blocked in a g_mutex_lock() + * call for @mutex, it will be woken and can lock @mutex itself. + * + * This function can be used even if g_thread_init() has not yet been + * called, and, in that case, will do nothing. + **/ + NULL, + +/** + * g_mutex_free: + * @mutex: a #GMutex. + * + * Destroys @mutex. + * + * Calling g_mutex_free() on a locked mutex may result in + * undefined behaviour. + **/ + NULL, + +/* GCond Virtual Functions {{{2 ------------------------------------------ */ + +/** + * GCond: + * + * The #GCond struct is an opaque data structure that represents a + * condition. Threads can block on a #GCond if they find a certain + * condition to be false. If other threads change the state of this + * condition they signal the #GCond, and that causes the waiting + * threads to be woken up. + * + * + * + * Using GCond to block a thread until a condition is satisfied + * + * + * GCond* data_cond = NULL; /* Must be initialized somewhere */ + * GMutex* data_mutex = NULL; /* Must be initialized somewhere */ + * gpointer current_data = NULL; + * + * void + * push_data (gpointer data) + * { + * g_mutex_lock (data_mutex); + * current_data = data; + * g_cond_signal (data_cond); + * g_mutex_unlock (data_mutex); + * } + * + * gpointer + * pop_data (void) + * { + * gpointer data; + * + * g_mutex_lock (data_mutex); + * while (!current_data) + * g_cond_wait (data_cond, data_mutex); + * data = current_data; + * current_data = NULL; + * g_mutex_unlock (data_mutex); + * + * return data; + * } + * + * + * + * Whenever a thread calls pop_data() now, it will + * wait until current_data is non-%NULL, i.e. until some other thread + * has called push_data(). + * + * It is important to use the g_cond_wait() and + * g_cond_timed_wait() functions only inside a loop which checks for the + * condition to be true. It is not guaranteed that the waiting thread + * will find the condition fulfilled after it wakes up, even if the + * signaling thread left the condition in that state: another thread may + * have altered the condition before the waiting thread got the chance + * to be woken up, even if the condition itself is protected by a + * #GMutex, like above. + * + * A #GCond should only be accessed via the following functions. + * + * All of the g_cond_* functions are + * actually macros. Apart from taking their addresses, you can however + * use them as if they were functions. + **/ + +/** + * g_cond_new: + * @Returns: a new #GCond. + * + * Creates a new #GCond. This function will abort, if g_thread_init() + * has not been called yet. + **/ + (GCond*(*)())g_thread_fail, + +/** + * g_cond_signal: + * @cond: a #GCond. + * + * If threads are waiting for @cond, exactly one of them is woken up. + * It is good practice to hold the same lock as the waiting thread + * while calling this function, though not required. + * + * This function can be used even if g_thread_init() has not yet been + * called, and, in that case, will do nothing. + **/ + NULL, + +/** + * g_cond_broadcast: + * @cond: a #GCond. + * + * If threads are waiting for @cond, all of them are woken up. It is + * good practice to lock the same mutex as the waiting threads, while + * calling this function, though not required. + * + * This function can be used even if g_thread_init() has not yet been + * called, and, in that case, will do nothing. + **/ + NULL, + +/** + * g_cond_wait: + * @cond: a #GCond. + * @mutex: a #GMutex, that is currently locked. + * + * Waits until this thread is woken up on @cond. The @mutex is unlocked + * before falling asleep and locked again before resuming. + * + * This function can be used even if g_thread_init() has not yet been + * called, and, in that case, will immediately return. + **/ + NULL, + +/** + * g_cond_timed_wait: + * @cond: a #GCond. + * @mutex: a #GMutex that is currently locked. + * @abs_time: a #GTimeVal, determining the final time. + * @Returns: %TRUE if @cond was signalled, or %FALSE on timeout. + * + * Waits until this thread is woken up on @cond, but not longer than + * until the time specified by @abs_time. The @mutex is unlocked before + * falling asleep and locked again before resuming. + * + * If @abs_time is %NULL, g_cond_timed_wait() acts like g_cond_wait(). + * + * This function can be used even if g_thread_init() has not yet been + * called, and, in that case, will immediately return %TRUE. + * + * To easily calculate @abs_time a combination of g_get_current_time() + * and g_time_val_add() can be used. + **/ + NULL, + +/** + * g_cond_free: + * @cond: a #GCond. + * + * Destroys the #GCond. + **/ + NULL, + +/* GPrivate Virtual Functions {{{2 --------------------------------------- */ + +/** + * GPrivate: + * + * + * #GStaticPrivate is a better choice for most uses. + * + * + * The #GPrivate struct is an opaque data structure to represent a + * thread private data key. Threads can thereby obtain and set a + * pointer which is private to the current thread. Take our + * give_me_next_number() example from + * above. Suppose we don't want current_number to be + * shared between the threads, but instead to be private to each thread. + * This can be done as follows: + * + * + * Using GPrivate for per-thread data + * + * GPrivate* current_number_key = NULL; /* Must be initialized somewhere + * with g_private_new (g_free); */ + * + * int + * give_me_next_number (void) + * { + * int *current_number = g_private_get (current_number_key); + * + * if (!current_number) + * { + * current_number = g_new (int, 1); + * *current_number = 0; + * g_private_set (current_number_key, current_number); + * } + * + * *current_number = calc_next_number (*current_number); + * + * return *current_number; + * } + * + * + * + * Here the pointer belonging to the key + * current_number_key is read. If it is %NULL, it has + * not been set yet. Then get memory for an integer value, assign this + * memory to the pointer and write the pointer back. Now we have an + * integer value that is private to the current thread. + * + * The #GPrivate struct should only be accessed via the following + * functions. + * + * All of the g_private_* functions are + * actually macros. Apart from taking their addresses, you can however + * use them as if they were functions. + **/ + +/** + * g_private_new: + * @destructor: a function to destroy the data keyed to #GPrivate when + * a thread ends. + * @Returns: a new #GPrivate. + * + * Creates a new #GPrivate. If @destructor is non-%NULL, it is a + * pointer to a destructor function. Whenever a thread ends and the + * corresponding pointer keyed to this instance of #GPrivate is + * non-%NULL, the destructor is called with this pointer as the + * argument. + * + * + * #GStaticPrivate is a better choice for most uses. + * + * + * @destructor is used quite differently from @notify in + * g_static_private_set(). + * + * A #GPrivate cannot be freed. Reuse it instead, if you + * can, to avoid shortage, or use #GStaticPrivate. + * + * This function will abort if g_thread_init() has not been + * called yet. + **/ + (GPrivate*(*)(GDestroyNotify))g_thread_fail, + +/** + * g_private_get: + * @private_key: a #GPrivate. + * @Returns: the corresponding pointer. + * + * Returns the pointer keyed to @private_key for the current thread. If + * g_private_set() hasn't been called for the current @private_key and + * thread yet, this pointer will be %NULL. + * + * This function can be used even if g_thread_init() has not yet been + * called, and, in that case, will return the value of @private_key + * casted to #gpointer. Note however, that private data set + * before g_thread_init() will + * not be retained after the + * call. Instead, %NULL will be returned in all threads directly after + * g_thread_init(), regardless of any g_private_set() calls issued + * before threading system intialization. + **/ + NULL, + +/** + * g_private_set: + * @private_key: a #GPrivate. + * @data: the new pointer. + * + * Sets the pointer keyed to @private_key for the current thread. + * + * This function can be used even if g_thread_init() has not yet been + * called, and, in that case, will set @private_key to @data casted to + * #GPrivate*. See g_private_get() for resulting caveats. + **/ + NULL, + +/* GThread Virtual Functions {{{2 ---------------------------------------- */ +/** + * GThread: + * + * The #GThread struct represents a running thread. It has three public + * read-only members, but the underlying struct is bigger, so you must + * not copy this struct. + * + * Resources for a joinable thread are not fully released + * until g_thread_join() is called for that thread. + **/ + +/** + * GThreadFunc: + * @data: data passed to the thread. + * @Returns: the return value of the thread, which will be returned by + * g_thread_join(). + * + * Specifies the type of the @func functions passed to + * g_thread_create() or g_thread_create_full(). + **/ + +/** + * GThreadPriority: + * @G_THREAD_PRIORITY_LOW: a priority lower than normal + * @G_THREAD_PRIORITY_NORMAL: the default priority + * @G_THREAD_PRIORITY_HIGH: a priority higher than normal + * @G_THREAD_PRIORITY_URGENT: the highest priority + * + * Specifies the priority of a thread. + * + * It is not guaranteed that threads with different priorities + * really behave accordingly. On some systems (e.g. Linux) there are no + * thread priorities. On other systems (e.g. Solaris) there doesn't + * seem to be different scheduling for different priorities. All in all + * try to avoid being dependent on priorities. + **/ + +/** + * g_thread_create: + * @func: a function to execute in the new thread. + * @data: an argument to supply to the new thread. + * @joinable: should this thread be joinable? + * @error: return location for error. + * @Returns: the new #GThread on success. + * + * This function creates a new thread with the default priority. + * + * If @joinable is %TRUE, you can wait for this threads termination + * calling g_thread_join(). Otherwise the thread will just disappear + * when it terminates. + * + * The new thread executes the function @func with the argument @data. + * If the thread was created successfully, it is returned. + * + * @error can be %NULL to ignore errors, or non-%NULL to report errors. + * The error is set, if and only if the function returns %NULL. + **/ + (void(*)(GThreadFunc, gpointer, gulong, + gboolean, gboolean, GThreadPriority, + gpointer, GError**))g_thread_fail, + +/** + * g_thread_yield: + * + * Gives way to other threads waiting to be scheduled. + * + * This function is often used as a method to make busy wait less evil. + * But in most cases you will encounter, there are better methods to do + * that. So in general you shouldn't use this function. + **/ + NULL, + + NULL, /* thread_join */ + NULL, /* thread_exit */ + NULL, /* thread_set_priority */ + NULL, /* thread_self */ + NULL /* thread_equal */ +}; + +/* Local Data {{{1 -------------------------------------------------------- */ + +static GMutex *g_once_mutex = NULL; +static GCond *g_once_cond = NULL; +static GPrivate *g_thread_specific_private = NULL; +static GRealThread *g_thread_all_threads = NULL; +static GSList *g_thread_free_indices = NULL; +static GSList* g_once_init_list = NULL; + +G_LOCK_DEFINE_STATIC (g_thread); + +/* Initialisation {{{1 ---------------------------------------------------- */ + +#ifdef G_THREADS_ENABLED +/** + * g_thread_init: + * @vtable: a function table of type #GThreadFunctions, that provides + * the entry points to the thread system to be used. + * + * If you use GLib from more than one thread, you must initialize the + * thread system by calling g_thread_init(). Most of the time you will + * only have to call g_thread_init (NULL). + * + * Do not call g_thread_init() with a non-%NULL parameter unless + * you really know what you are doing. + * + * g_thread_init() must not be called directly or indirectly as a + * callback from GLib. Also no mutexes may be currently locked while + * calling g_thread_init(). + * + * g_thread_init() changes the way in which #GTimer measures + * elapsed time. As a consequence, timers that are running while + * g_thread_init() is called may report unreliable times. + * + * Calling g_thread_init() multiple times is allowed (since version + * 2.24), but nothing happens except for the first call. If the + * argument is non-%NULL on such a call a warning will be printed, but + * otherwise the argument is ignored. + * + * If no thread system is available and @vtable is %NULL or if not all + * elements of @vtable are non-%NULL, then g_thread_init() will abort. + * + * To use g_thread_init() in your program, you have to link with + * the libraries that the command pkg-config --libs + * gthread-2.0 outputs. This is not the case for all the + * other thread related functions of GLib. Those can be used without + * having to link with the thread libraries. + **/ + +/* This must be called only once, before any threads are created. + * It will only be called from g_thread_init() in -lgthread. + */ +void +g_thread_init_glib (void) +{ + /* We let the main thread (the one that calls g_thread_init) inherit + * the static_private data set before calling g_thread_init + */ + GRealThread* main_thread = (GRealThread*) g_thread_self (); + + /* mutex and cond creation works without g_threads_got_initialized */ + g_once_mutex = g_mutex_new (); + g_once_cond = g_cond_new (); + + /* we may only create mutex and cond in here */ + _g_mem_thread_init_noprivate_nomessage (); + + /* setup the basic threading system */ + g_threads_got_initialized = TRUE; + g_thread_specific_private = g_private_new (g_thread_cleanup); + g_private_set (g_thread_specific_private, main_thread); + G_THREAD_UF (thread_self, (&main_thread->system_thread)); + + /* complete memory system initialization, g_private_*() works now */ + _g_slice_thread_init_nomessage (); + + /* accomplish log system initialization to enable messaging */ + _g_messages_thread_init_nomessage (); + + /* we may run full-fledged initializers from here */ + _g_utils_thread_init (); + _g_futex_thread_init (); +#ifdef G_OS_WIN32 + _g_win32_thread_init (); +#endif +} +#endif /* G_THREADS_ENABLED */ + +/* The following sections implement: GOnce, GStaticMutex, GStaticRecMutex, + * GStaticPrivate, + **/ + +/* GOnce {{{1 ------------------------------------------------------------- */ + +/** + * GOnce: + * @status: the status of the #GOnce + * @retval: the value returned by the call to the function, if @status + * is %G_ONCE_STATUS_READY + * + * A #GOnce struct controls a one-time initialization function. Any + * one-time initialization function must have its own unique #GOnce + * struct. + * + * Since: 2.4 + **/ + +/** + * G_ONCE_INIT: + * + * A #GOnce must be initialized with this macro before it can be used. + * + * + * + * GOnce my_once = G_ONCE_INIT; + * + * + * + * Since: 2.4 + **/ + +/** + * GOnceStatus: + * @G_ONCE_STATUS_NOTCALLED: the function has not been called yet. + * @G_ONCE_STATUS_PROGRESS: the function call is currently in progress. + * @G_ONCE_STATUS_READY: the function has been called. + * + * The possible statuses of a one-time initialization function + * controlled by a #GOnce struct. + * + * Since: 2.4 + **/ + +/** + * g_once: + * @once: a #GOnce structure + * @func: the #GThreadFunc function associated to @once. This function + * is called only once, regardless of the number of times it and + * its associated #GOnce struct are passed to g_once(). + * @arg: data to be passed to @func + * + * The first call to this routine by a process with a given #GOnce + * struct calls @func with the given argument. Thereafter, subsequent + * calls to g_once() with the same #GOnce struct do not call @func + * again, but return the stored result of the first call. On return + * from g_once(), the status of @once will be %G_ONCE_STATUS_READY. + * + * For example, a mutex or a thread-specific data key must be created + * exactly once. In a threaded environment, calling g_once() ensures + * that the initialization is serialized across multiple threads. + * + * Calling g_once() recursively on the same #GOnce struct in + * @func will lead to a deadlock. + * + * + * + * gpointer + * get_debug_flags (void) + * { + * static GOnce my_once = G_ONCE_INIT; + * + * g_once (&my_once, parse_debug_flags, NULL); + * + * return my_once.retval; + * } + * + * + * + * Since: 2.4 + **/ +gpointer +g_once_impl (GOnce *once, + GThreadFunc func, + gpointer arg) +{ + g_mutex_lock (g_once_mutex); + + while (once->status == G_ONCE_STATUS_PROGRESS) + g_cond_wait (g_once_cond, g_once_mutex); + + if (once->status != G_ONCE_STATUS_READY) + { + once->status = G_ONCE_STATUS_PROGRESS; + g_mutex_unlock (g_once_mutex); + + once->retval = func (arg); + + g_mutex_lock (g_once_mutex); + once->status = G_ONCE_STATUS_READY; + g_cond_broadcast (g_once_cond); + } + + g_mutex_unlock (g_once_mutex); + + return once->retval; +} + +/** + * g_once_init_enter: + * @value_location: location of a static initializable variable + * containing 0. + * @Returns: %TRUE if the initialization section should be entered, + * %FALSE and blocks otherwise + * + * Function to be called when starting a critical initialization + * section. The argument @value_location must point to a static + * 0-initialized variable that will be set to a value other than 0 at + * the end of the initialization section. In combination with + * g_once_init_leave() and the unique address @value_location, it can + * be ensured that an initialization section will be executed only once + * during a program's life time, and that concurrent threads are + * blocked until initialization completed. To be used in constructs + * like this: + * + * + * + * static gsize initialization_value = 0; + * + * if (g_once_init_enter (&initialization_value)) + * { + * gsize setup_value = 42; /* initialization code here */ + * + * g_once_init_leave (&initialization_value, setup_value); + * } + * + * /* use initialization_value here */ + * + * + * + * Since: 2.14 + **/ +gboolean +g_once_init_enter_impl (volatile gsize *value_location) +{ + gboolean need_init = FALSE; + g_mutex_lock (g_once_mutex); + if (g_atomic_pointer_get (value_location) == NULL) + { + if (!g_slist_find (g_once_init_list, (void*) value_location)) + { + need_init = TRUE; + g_once_init_list = g_slist_prepend (g_once_init_list, (void*) value_location); + } + else + do + g_cond_wait (g_once_cond, g_once_mutex); + while (g_slist_find (g_once_init_list, (void*) value_location)); + } + g_mutex_unlock (g_once_mutex); + return need_init; +} + +/** + * g_once_init_leave: + * @value_location: location of a static initializable variable + * containing 0. + * @initialization_value: new non-0 value for *@value_location. + * + * Counterpart to g_once_init_enter(). Expects a location of a static + * 0-initialized initialization variable, and an initialization value + * other than 0. Sets the variable to the initialization value, and + * releases concurrent threads blocking in g_once_init_enter() on this + * initialization variable. + * + * Since: 2.14 + **/ +void +g_once_init_leave (volatile gsize *value_location, + gsize initialization_value) +{ + g_return_if_fail (g_atomic_pointer_get (value_location) == NULL); + g_return_if_fail (initialization_value != 0); + g_return_if_fail (g_once_init_list != NULL); + + g_atomic_pointer_set (value_location, initialization_value); + g_mutex_lock (g_once_mutex); + g_once_init_list = g_slist_remove (g_once_init_list, (void*) value_location); + g_cond_broadcast (g_once_cond); + g_mutex_unlock (g_once_mutex); +} + +/* GStaticMutex {{{1 ------------------------------------------------------ */ + +/** + * GStaticMutex: + * + * A #GStaticMutex works like a #GMutex, but it has one significant + * advantage. It doesn't need to be created at run-time like a #GMutex, + * but can be defined at compile-time. Here is a shorter, easier and + * safer version of our give_me_next_number() + * example: + * + * + * + * Using <structname>GStaticMutex</structname> + * to simplify thread-safe programming + * + * + * int + * give_me_next_number (void) + * { + * static int current_number = 0; + * int ret_val; + * static GStaticMutex mutex = G_STATIC_MUTEX_INIT; + * + * g_static_mutex_lock (&mutex); + * ret_val = current_number = calc_next_number (current_number); + * g_static_mutex_unlock (&mutex); + * + * return ret_val; + * } + * + * + * + * Sometimes you would like to dynamically create a mutex. If you don't + * want to require prior calling to g_thread_init(), because your code + * should also be usable in non-threaded programs, you are not able to + * use g_mutex_new() and thus #GMutex, as that requires a prior call to + * g_thread_init(). In theses cases you can also use a #GStaticMutex. + * It must be initialized with g_static_mutex_init() before using it + * and freed with with g_static_mutex_free() when not needed anymore to + * free up any allocated resources. + * + * Even though #GStaticMutex is not opaque, it should only be used with + * the following functions, as it is defined differently on different + * platforms. + * + * All of the g_static_mutex_* functions apart + * from g_static_mutex_get_mutex can also be used + * even if g_thread_init() has not yet been called. Then they do + * nothing, apart from g_static_mutex_trylock, + * which does nothing but returning %TRUE. + * + * All of the g_static_mutex_* + * functions are actually macros. Apart from taking their addresses, you + * can however use them as if they were functions. + **/ + +/** + * G_STATIC_MUTEX_INIT: + * + * A #GStaticMutex must be initialized with this macro, before it can + * be used. This macro can used be to initialize a variable, but it + * cannot be assigned to a variable. In that case you have to use + * g_static_mutex_init(). + * + * + * + * GStaticMutex my_mutex = G_STATIC_MUTEX_INIT; + * + * + **/ + +/** + * g_static_mutex_init: + * @mutex: a #GStaticMutex to be initialized. + * + * Initializes @mutex. Alternatively you can initialize it with + * #G_STATIC_MUTEX_INIT. + **/ +void +g_static_mutex_init (GStaticMutex *mutex) +{ + static const GStaticMutex init_mutex = G_STATIC_MUTEX_INIT; + + g_return_if_fail (mutex); + + *mutex = init_mutex; +} + +/* IMPLEMENTATION NOTE: + * + * On some platforms a GStaticMutex is actually a normal GMutex stored + * inside of a structure instead of being allocated dynamically. We can + * only do this for platforms on which we know, in advance, how to + * allocate (size) and initialise (value) that memory. + * + * On other platforms, a GStaticMutex is nothing more than a pointer to + * a GMutex. In that case, the first access we make to the static mutex + * must first allocate the normal GMutex and store it into the pointer. + * + * configure.ac writes macros into glibconfig.h to determine if + * g_static_mutex_get_mutex() accesses the structure in memory directly + * (on platforms where we are able to do that) or if it ends up here, + * where we may have to allocate the GMutex before returning it. + */ + +/** + * g_static_mutex_get_mutex: + * @mutex: a #GStaticMutex. + * @Returns: the #GMutex corresponding to @mutex. + * + * For some operations (like g_cond_wait()) you must have a #GMutex + * instead of a #GStaticMutex. This function will return the + * corresponding #GMutex for @mutex. + **/ +GMutex * +g_static_mutex_get_mutex_impl (GMutex** mutex) +{ + GMutex *result; + + if (!g_thread_supported ()) + return NULL; + + result = g_atomic_pointer_get (mutex); + + if (!result) + { + g_assert (g_once_mutex); + + g_mutex_lock (g_once_mutex); + + result = *mutex; + if (!result) + { + result = g_mutex_new (); + g_atomic_pointer_set (mutex, result); + } + + g_mutex_unlock (g_once_mutex); + } + + return result; +} + +/* IMPLEMENTATION NOTE: + * + * g_static_mutex_lock(), g_static_mutex_trylock() and + * g_static_mutex_unlock() are all preprocessor macros that wrap the + * corresponding g_mutex_*() function around a call to + * g_static_mutex_get_mutex(). + */ + +/** + * g_static_mutex_lock: + * @mutex: a #GStaticMutex. + * + * Works like g_mutex_lock(), but for a #GStaticMutex. + **/ + +/** + * g_static_mutex_trylock: + * @mutex: a #GStaticMutex. + * @Returns: %TRUE, if the #GStaticMutex could be locked. + * + * Works like g_mutex_trylock(), but for a #GStaticMutex. + **/ + +/** + * g_static_mutex_unlock: + * @mutex: a #GStaticMutex. + * + * Works like g_mutex_unlock(), but for a #GStaticMutex. + **/ + +/** + * g_static_mutex_free: + * @mutex: a #GStaticMutex to be freed. + * + * Releases all resources allocated to @mutex. + * + * You don't have to call this functions for a #GStaticMutex with an + * unbounded lifetime, i.e. objects declared 'static', but if you have + * a #GStaticMutex as a member of a structure and the structure is + * freed, you should also free the #GStaticMutex. + * + * Calling g_static_mutex_free() on a locked mutex may + * result in undefined behaviour. + **/ +void +g_static_mutex_free (GStaticMutex* mutex) +{ + GMutex **runtime_mutex; + + g_return_if_fail (mutex); + + /* The runtime_mutex is the first (or only) member of GStaticMutex, + * see both versions (of glibconfig.h) in configure.ac. Note, that + * this variable is NULL, if g_thread_init() hasn't been called or + * if we're using the default thread implementation and it provides + * static mutexes. */ + runtime_mutex = ((GMutex**)mutex); + + if (*runtime_mutex) + g_mutex_free (*runtime_mutex); + + *runtime_mutex = NULL; +} + +/* ------------------------------------------------------------------------ */ + +/** + * GStaticRecMutex: + * + * A #GStaticRecMutex works like a #GStaticMutex, but it can be locked + * multiple times by one thread. If you enter it n times, you have to + * unlock it n times again to let other threads lock it. An exception + * is the function g_static_rec_mutex_unlock_full(): that allows you to + * unlock a #GStaticRecMutex completely returning the depth, (i.e. the + * number of times this mutex was locked). The depth can later be used + * to restore the state of the #GStaticRecMutex by calling + * g_static_rec_mutex_lock_full(). + * + * Even though #GStaticRecMutex is not opaque, it should only be used + * with the following functions. + * + * All of the g_static_rec_mutex_* functions can + * be used even if g_thread_init() has not been called. Then they do + * nothing, apart from g_static_rec_mutex_trylock, + * which does nothing but returning %TRUE. + **/ + +/** + * G_STATIC_REC_MUTEX_INIT: + * + * A #GStaticRecMutex must be initialized with this macro before it can + * be used. This macro can used be to initialize a variable, but it + * cannot be assigned to a variable. In that case you have to use + * g_static_rec_mutex_init(). + * + * + * + * GStaticRecMutex my_mutex = G_STATIC_REC_MUTEX_INIT; + * + + **/ + +/** + * g_static_rec_mutex_init: + * @mutex: a #GStaticRecMutex to be initialized. + * + * A #GStaticRecMutex must be initialized with this function before it + * can be used. Alternatively you can initialize it with + * #G_STATIC_REC_MUTEX_INIT. + **/ +void +g_static_rec_mutex_init (GStaticRecMutex *mutex) +{ + static const GStaticRecMutex init_mutex = G_STATIC_REC_MUTEX_INIT; + + g_return_if_fail (mutex); + + *mutex = init_mutex; +} + +/** + * g_static_rec_mutex_lock: + * @mutex: a #GStaticRecMutex to lock. + * + * Locks @mutex. If @mutex is already locked by another thread, the + * current thread will block until @mutex is unlocked by the other + * thread. If @mutex is already locked by the calling thread, this + * functions increases the depth of @mutex and returns immediately. + **/ +void +g_static_rec_mutex_lock (GStaticRecMutex* mutex) +{ + GSystemThread self; + + g_return_if_fail (mutex); + + if (!g_thread_supported ()) + return; + + G_THREAD_UF (thread_self, (&self)); + + if (g_system_thread_equal (self, mutex->owner)) + { + mutex->depth++; + return; + } + g_static_mutex_lock (&mutex->mutex); + g_system_thread_assign (mutex->owner, self); + mutex->depth = 1; +} + +/** + * g_static_rec_mutex_trylock: + * @mutex: a #GStaticRecMutex to lock. + * @Returns: %TRUE, if @mutex could be locked. + * + * Tries to lock @mutex. If @mutex is already locked by another thread, + * it immediately returns %FALSE. Otherwise it locks @mutex and returns + * %TRUE. If @mutex is already locked by the calling thread, this + * functions increases the depth of @mutex and immediately returns + * %TRUE. + **/ +gboolean +g_static_rec_mutex_trylock (GStaticRecMutex* mutex) +{ + GSystemThread self; + + g_return_val_if_fail (mutex, FALSE); + + if (!g_thread_supported ()) + return TRUE; + + G_THREAD_UF (thread_self, (&self)); + + if (g_system_thread_equal (self, mutex->owner)) + { + mutex->depth++; + return TRUE; + } + + if (!g_static_mutex_trylock (&mutex->mutex)) + return FALSE; + + g_system_thread_assign (mutex->owner, self); + mutex->depth = 1; + return TRUE; +} + +/** + * g_static_rec_mutex_unlock: + * @mutex: a #GStaticRecMutex to unlock. + * + * Unlocks @mutex. Another thread will be allowed to lock @mutex only + * when it has been unlocked as many times as it had been locked + * before. If @mutex is completely unlocked and another thread is + * blocked in a g_static_rec_mutex_lock() call for @mutex, it will be + * woken and can lock @mutex itself. + **/ +void +g_static_rec_mutex_unlock (GStaticRecMutex* mutex) +{ + g_return_if_fail (mutex); + + if (!g_thread_supported ()) + return; + + if (mutex->depth > 1) + { + mutex->depth--; + return; + } + g_system_thread_assign (mutex->owner, zero_thread); + g_static_mutex_unlock (&mutex->mutex); +} + +/** + * g_static_rec_mutex_lock_full: + * @mutex: a #GStaticRecMutex to lock. + * @depth: number of times this mutex has to be unlocked to be + * completely unlocked. + * + * Works like calling g_static_rec_mutex_lock() for @mutex @depth times. + **/ +void +g_static_rec_mutex_lock_full (GStaticRecMutex *mutex, + guint depth) +{ + GSystemThread self; + g_return_if_fail (mutex); + + if (!g_thread_supported ()) + return; + + if (depth == 0) + return; + + G_THREAD_UF (thread_self, (&self)); + + if (g_system_thread_equal (self, mutex->owner)) + { + mutex->depth += depth; + return; + } + g_static_mutex_lock (&mutex->mutex); + g_system_thread_assign (mutex->owner, self); + mutex->depth = depth; +} + +/** + * g_static_rec_mutex_unlock_full: + * @mutex: a #GStaticRecMutex to completely unlock. + * @Returns: number of times @mutex has been locked by the current + * thread. + * + * Completely unlocks @mutex. If another thread is blocked in a + * g_static_rec_mutex_lock() call for @mutex, it will be woken and can + * lock @mutex itself. This function returns the number of times that + * @mutex has been locked by the current thread. To restore the state + * before the call to g_static_rec_mutex_unlock_full() you can call + * g_static_rec_mutex_lock_full() with the depth returned by this + * function. + **/ +guint +g_static_rec_mutex_unlock_full (GStaticRecMutex *mutex) +{ + guint depth; + + g_return_val_if_fail (mutex, 0); + + if (!g_thread_supported ()) + return 1; + + depth = mutex->depth; + + g_system_thread_assign (mutex->owner, zero_thread); + mutex->depth = 0; + g_static_mutex_unlock (&mutex->mutex); + + return depth; +} + +/** + * g_static_rec_mutex_free: + * @mutex: a #GStaticRecMutex to be freed. + * + * Releases all resources allocated to a #GStaticRecMutex. + * + * You don't have to call this functions for a #GStaticRecMutex with an + * unbounded lifetime, i.e. objects declared 'static', but if you have + * a #GStaticRecMutex as a member of a structure and the structure is + * freed, you should also free the #GStaticRecMutex. + **/ +void +g_static_rec_mutex_free (GStaticRecMutex *mutex) +{ + g_return_if_fail (mutex); + + g_static_mutex_free (&mutex->mutex); +} + +/* GStaticPrivate {{{1 ---------------------------------------------------- */ + +/** + * GStaticPrivate: + * + * A #GStaticPrivate works almost like a #GPrivate, but it has one + * significant advantage. It doesn't need to be created at run-time + * like a #GPrivate, but can be defined at compile-time. This is + * similar to the difference between #GMutex and #GStaticMutex. Now + * look at our give_me_next_number() example with + * #GStaticPrivate: + * + * + * Using GStaticPrivate for per-thread data + * + * int + * give_me_next_number () + * { + * static GStaticPrivate current_number_key = G_STATIC_PRIVATE_INIT; + * int *current_number = g_static_private_get (&current_number_key); + * + * if (!current_number) + * { + * current_number = g_new (int,1); + * *current_number = 0; + * g_static_private_set (&current_number_key, current_number, g_free); + * } + * + * *current_number = calc_next_number (*current_number); + * + * return *current_number; + * } + * + * + **/ + +/** + * G_STATIC_PRIVATE_INIT: + * + * Every #GStaticPrivate must be initialized with this macro, before it + * can be used. + * + * + * + * GStaticPrivate my_private = G_STATIC_PRIVATE_INIT; + * + * + **/ + +/** + * g_static_private_init: + * @private_key: a #GStaticPrivate to be initialized. + * + * Initializes @private_key. Alternatively you can initialize it with + * #G_STATIC_PRIVATE_INIT. + **/ +void +g_static_private_init (GStaticPrivate *private_key) +{ + private_key->index = 0; +} + +/** + * g_static_private_get: + * @private_key: a #GStaticPrivate. + * @Returns: the corresponding pointer. + * + * Works like g_private_get() only for a #GStaticPrivate. + * + * This function works even if g_thread_init() has not yet been called. + **/ +gpointer +g_static_private_get (GStaticPrivate *private_key) +{ + GRealThread *self = (GRealThread*) g_thread_self (); + GArray *array; + gpointer ret = NULL; + + LOCK_PRIVATE_DATA (self); + + array = self->private_data; + + if (array && private_key->index != 0 && private_key->index <= array->len) + ret = g_array_index (array, GStaticPrivateNode, + private_key->index - 1).data; + + UNLOCK_PRIVATE_DATA (self); + return ret; +} + +/** + * g_static_private_set: + * @private_key: a #GStaticPrivate. + * @data: the new pointer. + * @notify: a function to be called with the pointer whenever the + * current thread ends or sets this pointer again. + * + * Sets the pointer keyed to @private_key for the current thread and + * the function @notify to be called with that pointer (%NULL or + * non-%NULL), whenever the pointer is set again or whenever the + * current thread ends. + * + * This function works even if g_thread_init() has not yet been called. + * If g_thread_init() is called later, the @data keyed to @private_key + * will be inherited only by the main thread, i.e. the one that called + * g_thread_init(). + * + * @notify is used quite differently from @destructor in + * g_private_new(). + **/ +void +g_static_private_set (GStaticPrivate *private_key, + gpointer data, + GDestroyNotify notify) +{ + GRealThread *self = (GRealThread*) g_thread_self (); + GArray *array; + static guint next_index = 0; + GStaticPrivateNode *node; + gpointer ddata = NULL; + GDestroyNotify ddestroy = NULL; + + if (!private_key->index) + { + G_LOCK (g_thread); + + if (!private_key->index) + { + if (g_thread_free_indices) + { + private_key->index = + GPOINTER_TO_UINT (g_thread_free_indices->data); + g_thread_free_indices = + g_slist_delete_link (g_thread_free_indices, + g_thread_free_indices); + } + else + private_key->index = ++next_index; + } + + G_UNLOCK (g_thread); + } + + LOCK_PRIVATE_DATA (self); + + array = self->private_data; + if (!array) + { + array = g_array_new (FALSE, TRUE, sizeof (GStaticPrivateNode)); + self->private_data = array; + } + + if (private_key->index > array->len) + g_array_set_size (array, private_key->index); + + node = &g_array_index (array, GStaticPrivateNode, private_key->index - 1); + + ddata = node->data; + ddestroy = node->destroy; + + node->data = data; + node->destroy = notify; + + UNLOCK_PRIVATE_DATA (self); + + if (ddestroy) + ddestroy (ddata); +} + +/** + * g_static_private_free: + * @private_key: a #GStaticPrivate to be freed. + * + * Releases all resources allocated to @private_key. + * + * You don't have to call this functions for a #GStaticPrivate with an + * unbounded lifetime, i.e. objects declared 'static', but if you have + * a #GStaticPrivate as a member of a structure and the structure is + * freed, you should also free the #GStaticPrivate. + **/ +void +g_static_private_free (GStaticPrivate *private_key) +{ + guint idx = private_key->index; + GRealThread *thread, *next; + GArray *garbage = NULL; + + if (!idx) + return; + + private_key->index = 0; + + G_LOCK (g_thread); + + thread = g_thread_all_threads; + + for (thread = g_thread_all_threads; thread; thread = next) + { + GArray *array; + + next = thread->next; + + LOCK_PRIVATE_DATA (thread); + + array = thread->private_data; + + if (array && idx <= array->len) + { + GStaticPrivateNode *node = &g_array_index (array, + GStaticPrivateNode, + idx - 1); + gpointer ddata = node->data; + GDestroyNotify ddestroy = node->destroy; + + node->data = NULL; + node->destroy = NULL; + + if (ddestroy) + { + /* defer non-trivial destruction til after we've finished + * iterating, since we must continue to hold the lock */ + if (garbage == NULL) + garbage = g_array_new (FALSE, TRUE, + sizeof (GStaticPrivateNode)); + + g_array_set_size (garbage, garbage->len + 1); + + node = &g_array_index (garbage, GStaticPrivateNode, + garbage->len - 1); + node->data = ddata; + node->destroy = ddestroy; + } + } + + UNLOCK_PRIVATE_DATA (thread); + } + g_thread_free_indices = g_slist_prepend (g_thread_free_indices, + GUINT_TO_POINTER (idx)); + G_UNLOCK (g_thread); + + if (garbage) + { + guint i; + + for (i = 0; i < garbage->len; i++) + { + GStaticPrivateNode *node; + + node = &g_array_index (garbage, GStaticPrivateNode, i); + node->destroy (node->data); + } + + g_array_free (garbage, TRUE); + } +} + +/* GThread Extra Functions {{{1 ------------------------------------------- */ +static void +g_thread_cleanup (gpointer data) +{ + if (data) + { + GRealThread* thread = data; + GArray *array; + + LOCK_PRIVATE_DATA (thread); + array = thread->private_data; + thread->private_data = NULL; + UNLOCK_PRIVATE_DATA (thread); + + if (array) + { + guint i; + + for (i = 0; i < array->len; i++ ) + { + GStaticPrivateNode *node = + &g_array_index (array, GStaticPrivateNode, i); + if (node->destroy) + node->destroy (node->data); + } + g_array_free (array, TRUE); + } + + /* We only free the thread structure, if it isn't joinable. If + it is, the structure is freed in g_thread_join */ + if (!thread->thread.joinable) + { + GRealThread *t, *p; + + G_LOCK (g_thread); + for (t = g_thread_all_threads, p = NULL; t; p = t, t = t->next) + { + if (t == thread) + { + if (p) + p->next = t->next; + else + g_thread_all_threads = t->next; + break; + } + } + G_UNLOCK (g_thread); + + /* Just to make sure, this isn't used any more */ + g_system_thread_assign (thread->system_thread, zero_thread); + g_free (thread); + } + } +} + +static void +g_thread_fail (void) +{ + g_error ("The thread system is not yet initialized."); +} + +#define G_NSEC_PER_SEC 1000000000 +#define G_USEC_PER_SEC 1000000 + +static guint64 +gettime (void) +{ +#ifdef G_OS_WIN32 + guint64 v; + + /* Returns 100s of nanoseconds since start of 1601 */ + GetSystemTimeAsFileTime ((FILETIME *)&v); + + /* Offset to Unix epoch */ + v -= G_GINT64_CONSTANT (116444736000000000); + /* Convert to nanoseconds */ + v *= 100; + + return v; +#else + struct timeval tv; + + gettimeofday (&tv, NULL); + + return (guint64) tv.tv_sec * G_NSEC_PER_SEC + tv.tv_usec * (G_NSEC_PER_SEC / G_USEC_PER_SEC); +#endif +} + +static gpointer +g_thread_create_proxy (gpointer data) +{ + GRealThread* thread = data; + + g_assert (data); + + /* This has to happen before G_LOCK, as that might call g_thread_self */ + g_private_set (g_thread_specific_private, data); + + /* the lock makes sure, that thread->system_thread is written, + before thread->thread.func is called. See g_thread_create. */ + G_LOCK (g_thread); + G_UNLOCK (g_thread); + + thread->retval = thread->thread.func (thread->thread.data); + + return NULL; +} + +/** + * g_thread_create_full: + * @func: a function to execute in the new thread. + * @data: an argument to supply to the new thread. + * @stack_size: a stack size for the new thread. + * @joinable: should this thread be joinable? + * @bound: should this thread be bound to a system thread? + * @priority: a priority for the thread. + * @error: return location for error. + * @Returns: the new #GThread on success. + * + * This function creates a new thread with the priority @priority. If + * the underlying thread implementation supports it, the thread gets a + * stack size of @stack_size or the default value for the current + * platform, if @stack_size is 0. + * + * If @joinable is %TRUE, you can wait for this threads termination + * calling g_thread_join(). Otherwise the thread will just disappear + * when it terminates. If @bound is %TRUE, this thread will be + * scheduled in the system scope, otherwise the implementation is free + * to do scheduling in the process scope. The first variant is more + * expensive resource-wise, but generally faster. On some systems (e.g. + * Linux) all threads are bound. + * + * The new thread executes the function @func with the argument @data. + * If the thread was created successfully, it is returned. + * + * @error can be %NULL to ignore errors, or non-%NULL to report errors. + * The error is set, if and only if the function returns %NULL. + * + * It is not guaranteed that threads with different priorities + * really behave accordingly. On some systems (e.g. Linux) there are no + * thread priorities. On other systems (e.g. Solaris) there doesn't + * seem to be different scheduling for different priorities. All in all + * try to avoid being dependent on priorities. Use + * %G_THREAD_PRIORITY_NORMAL here as a default. + * + * Only use g_thread_create_full() if you really can't use + * g_thread_create() instead. g_thread_create() does not take + * @stack_size, @bound, and @priority as arguments, as they should only + * be used in cases in which it is unavoidable. + **/ +GThread* +g_thread_create_full (GThreadFunc func, + gpointer data, + gulong stack_size, + gboolean joinable, + gboolean bound, + GThreadPriority priority, + GError **error) +{ + GRealThread* result; + GError *local_error = NULL; + g_return_val_if_fail (func, NULL); + g_return_val_if_fail (priority >= G_THREAD_PRIORITY_LOW, NULL); + g_return_val_if_fail (priority <= G_THREAD_PRIORITY_URGENT, NULL); + + result = g_new0 (GRealThread, 1); + + result->thread.joinable = joinable; + result->thread.priority = priority; + result->thread.func = func; + result->thread.data = data; + result->private_data = NULL; + G_LOCK (g_thread); + G_THREAD_UF (thread_create, (g_thread_create_proxy, result, + stack_size, joinable, bound, priority, + &result->system_thread, &local_error)); + if (!local_error) + { + result->next = g_thread_all_threads; + g_thread_all_threads = result; + } + G_UNLOCK (g_thread); + + if (local_error) + { + g_propagate_error (error, local_error); + g_free (result); + return NULL; + } + + return (GThread*) result; +} + +/** + * g_thread_exit: + * @retval: the return value of this thread. + * + * Exits the current thread. If another thread is waiting for that + * thread using g_thread_join() and the current thread is joinable, the + * waiting thread will be woken up and get @retval as the return value + * of g_thread_join(). If the current thread is not joinable, @retval + * is ignored. Calling + * + * + * + * g_thread_exit (retval); + * + * + * + * is equivalent to returning @retval from the function @func, as given + * to g_thread_create(). + * + * Never call g_thread_exit() from within a thread of a + * #GThreadPool, as that will mess up the bookkeeping and lead to funny + * and unwanted results. + **/ +void +g_thread_exit (gpointer retval) +{ + GRealThread* real = (GRealThread*) g_thread_self (); + real->retval = retval; + G_THREAD_CF (thread_exit, (void)0, ()); +} + +/** + * g_thread_join: + * @thread: a #GThread to be waited for. + * @Returns: the return value of the thread. + * + * Waits until @thread finishes, i.e. the function @func, as given to + * g_thread_create(), returns or g_thread_exit() is called by @thread. + * All resources of @thread including the #GThread struct are released. + * @thread must have been created with @joinable=%TRUE in + * g_thread_create(). The value returned by @func or given to + * g_thread_exit() by @thread is returned by this function. + **/ +gpointer +g_thread_join (GThread* thread) +{ + GRealThread* real = (GRealThread*) thread; + GRealThread *p, *t; + gpointer retval; + + g_return_val_if_fail (thread, NULL); + g_return_val_if_fail (thread->joinable, NULL); + g_return_val_if_fail (!g_system_thread_equal (real->system_thread, + zero_thread), NULL); + + G_THREAD_UF (thread_join, (&real->system_thread)); + + retval = real->retval; + + G_LOCK (g_thread); + for (t = g_thread_all_threads, p = NULL; t; p = t, t = t->next) + { + if (t == (GRealThread*) thread) + { + if (p) + p->next = t->next; + else + g_thread_all_threads = t->next; + break; + } + } + G_UNLOCK (g_thread); + + /* Just to make sure, this isn't used any more */ + thread->joinable = 0; + g_system_thread_assign (real->system_thread, zero_thread); + + /* the thread structure for non-joinable threads is freed upon + thread end. We free the memory here. This will leave a loose end, + if a joinable thread is not joined. */ + + g_free (thread); + + return retval; +} + +/** + * g_thread_set_priority: + * @thread: a #GThread. + * @priority: a new priority for @thread. + * + * Changes the priority of @thread to @priority. + * + * It is not guaranteed that threads with different + * priorities really behave accordingly. On some systems (e.g. Linux) + * there are no thread priorities. On other systems (e.g. Solaris) there + * doesn't seem to be different scheduling for different priorities. All + * in all try to avoid being dependent on priorities. + **/ +void +g_thread_set_priority (GThread* thread, + GThreadPriority priority) +{ + GRealThread* real = (GRealThread*) thread; + + g_return_if_fail (thread); + g_return_if_fail (!g_system_thread_equal (real->system_thread, zero_thread)); + g_return_if_fail (priority >= G_THREAD_PRIORITY_LOW); + g_return_if_fail (priority <= G_THREAD_PRIORITY_URGENT); + + thread->priority = priority; + + G_THREAD_CF (thread_set_priority, (void)0, + (&real->system_thread, priority)); +} + +/** + * g_thread_self: + * @Returns: the current thread. + * + * This functions returns the #GThread corresponding to the calling + * thread. + **/ +GThread* +g_thread_self (void) +{ + GRealThread* thread = g_private_get (g_thread_specific_private); + + if (!thread) + { + /* If no thread data is available, provide and set one. This + can happen for the main thread and for threads, that are not + created by GLib. */ + thread = g_new0 (GRealThread, 1); + thread->thread.joinable = FALSE; /* This is a save guess */ + thread->thread.priority = G_THREAD_PRIORITY_NORMAL; /* This is + just a guess */ + thread->thread.func = NULL; + thread->thread.data = NULL; + thread->private_data = NULL; + + if (g_thread_supported ()) + G_THREAD_UF (thread_self, (&thread->system_thread)); + + g_private_set (g_thread_specific_private, thread); + + G_LOCK (g_thread); + thread->next = g_thread_all_threads; + g_thread_all_threads = thread; + G_UNLOCK (g_thread); + } + + return (GThread*)thread; +} + +/* GStaticRWLock {{{1 ----------------------------------------------------- */ + +/** + * GStaticRWLock: + * + * The #GStaticRWLock struct represents a read-write lock. A read-write + * lock can be used for protecting data that some portions of code only + * read from, while others also write. In such situations it is + * desirable that several readers can read at once, whereas of course + * only one writer may write at a time. Take a look at the following + * example: + * + * + * An array with access functions + * + * GStaticRWLock rwlock = G_STATIC_RW_LOCK_INIT; + * GPtrArray *array; + * + * gpointer + * my_array_get (guint index) + * { + * gpointer retval = NULL; + * + * if (!array) + * return NULL; + * + * g_static_rw_lock_reader_lock (&rwlock); + * if (index < array->len) + * retval = g_ptr_array_index (array, index); + * g_static_rw_lock_reader_unlock (&rwlock); + * + * return retval; + * } + * + * void + * my_array_set (guint index, gpointer data) + * { + * g_static_rw_lock_writer_lock (&rwlock); + * + * if (!array) + * array = g_ptr_array_new (); + * + * if (index >= array->len) + * g_ptr_array_set_size (array, index+1); + * g_ptr_array_index (array, index) = data; + * + * g_static_rw_lock_writer_unlock (&rwlock); + * } + * + * + * + * This example shows an array which can be accessed by many readers + * (the my_array_get() function) simultaneously, + * whereas the writers (the my_array_set() + * function) will only be allowed once at a time and only if no readers + * currently access the array. This is because of the potentially + * dangerous resizing of the array. Using these functions is fully + * multi-thread safe now. + * + * Most of the time, writers should have precedence over readers. That + * means, for this implementation, that as soon as a writer wants to + * lock the data, no other reader is allowed to lock the data, whereas, + * of course, the readers that already have locked the data are allowed + * to finish their operation. As soon as the last reader unlocks the + * data, the writer will lock it. + * + * Even though #GStaticRWLock is not opaque, it should only be used + * with the following functions. + * + * All of the g_static_rw_lock_* functions can be + * used even if g_thread_init() has not been called. Then they do + * nothing, apart from g_static_rw_lock_*_trylock, + * which does nothing but returning %TRUE. + * + * A read-write lock has a higher overhead than a mutex. For + * example, both g_static_rw_lock_reader_lock() and + * g_static_rw_lock_reader_unlock() have to lock and unlock a + * #GStaticMutex, so it takes at least twice the time to lock and unlock + * a #GStaticRWLock that it does to lock and unlock a #GStaticMutex. So + * only data structures that are accessed by multiple readers, and which + * keep the lock for a considerable time justify a #GStaticRWLock. The + * above example most probably would fare better with a + * #GStaticMutex. + **/ + +/** + * G_STATIC_RW_LOCK_INIT: + * + * A #GStaticRWLock must be initialized with this macro before it can + * be used. This macro can used be to initialize a variable, but it + * cannot be assigned to a variable. In that case you have to use + * g_static_rw_lock_init(). + * + * + * + * GStaticRWLock my_lock = G_STATIC_RW_LOCK_INIT; + * + * + **/ + +/** + * g_static_rw_lock_init: + * @lock: a #GStaticRWLock to be initialized. + * + * A #GStaticRWLock must be initialized with this function before it + * can be used. Alternatively you can initialize it with + * #G_STATIC_RW_LOCK_INIT. + **/ +void +g_static_rw_lock_init (GStaticRWLock* lock) +{ + static const GStaticRWLock init_lock = G_STATIC_RW_LOCK_INIT; + + g_return_if_fail (lock); + + *lock = init_lock; +} + +inline static void +g_static_rw_lock_wait (GCond** cond, GStaticMutex* mutex) +{ + if (!*cond) + *cond = g_cond_new (); + g_cond_wait (*cond, g_static_mutex_get_mutex (mutex)); +} + +inline static void +g_static_rw_lock_signal (GStaticRWLock* lock) +{ + if (lock->want_to_write && lock->write_cond) + g_cond_signal (lock->write_cond); + else if (lock->want_to_read && lock->read_cond) + g_cond_broadcast (lock->read_cond); +} + +/** + * g_static_rw_lock_reader_lock: + * @lock: a #GStaticRWLock to lock for reading. + * + * Locks @lock for reading. There may be unlimited concurrent locks for + * reading of a #GStaticRWLock at the same time. If @lock is already + * locked for writing by another thread or if another thread is already + * waiting to lock @lock for writing, this function will block until + * @lock is unlocked by the other writing thread and no other writing + * threads want to lock @lock. This lock has to be unlocked by + * g_static_rw_lock_reader_unlock(). + * + * #GStaticRWLock is not recursive. It might seem to be possible to + * recursively lock for reading, but that can result in a deadlock, due + * to writer preference. + **/ +void +g_static_rw_lock_reader_lock (GStaticRWLock* lock) +{ + g_return_if_fail (lock); + + if (!g_threads_got_initialized) + return; + + g_static_mutex_lock (&lock->mutex); + lock->want_to_read++; + while (lock->have_writer || lock->want_to_write) + g_static_rw_lock_wait (&lock->read_cond, &lock->mutex); + lock->want_to_read--; + lock->read_counter++; + g_static_mutex_unlock (&lock->mutex); +} + +/** + * g_static_rw_lock_reader_trylock: + * @lock: a #GStaticRWLock to lock for reading. + * @Returns: %TRUE, if @lock could be locked for reading. + * + * Tries to lock @lock for reading. If @lock is already locked for + * writing by another thread or if another thread is already waiting to + * lock @lock for writing, immediately returns %FALSE. Otherwise locks + * @lock for reading and returns %TRUE. This lock has to be unlocked by + * g_static_rw_lock_reader_unlock(). + **/ +gboolean +g_static_rw_lock_reader_trylock (GStaticRWLock* lock) +{ + gboolean ret_val = FALSE; + + g_return_val_if_fail (lock, FALSE); + + if (!g_threads_got_initialized) + return TRUE; + + g_static_mutex_lock (&lock->mutex); + if (!lock->have_writer && !lock->want_to_write) + { + lock->read_counter++; + ret_val = TRUE; + } + g_static_mutex_unlock (&lock->mutex); + return ret_val; +} + +/** + * g_static_rw_lock_reader_unlock: + * @lock: a #GStaticRWLock to unlock after reading. + * + * Unlocks @lock. If a thread waits to lock @lock for writing and all + * locks for reading have been unlocked, the waiting thread is woken up + * and can lock @lock for writing. + **/ +void +g_static_rw_lock_reader_unlock (GStaticRWLock* lock) +{ + g_return_if_fail (lock); + + if (!g_threads_got_initialized) + return; + + g_static_mutex_lock (&lock->mutex); + lock->read_counter--; + if (lock->read_counter == 0) + g_static_rw_lock_signal (lock); + g_static_mutex_unlock (&lock->mutex); +} + +/** + * g_static_rw_lock_writer_lock: + * @lock: a #GStaticRWLock to lock for writing. + * + * Locks @lock for writing. If @lock is already locked for writing or + * reading by other threads, this function will block until @lock is + * completely unlocked and then lock @lock for writing. While this + * functions waits to lock @lock, no other thread can lock @lock for + * reading. When @lock is locked for writing, no other thread can lock + * @lock (neither for reading nor writing). This lock has to be + * unlocked by g_static_rw_lock_writer_unlock(). + **/ +void +g_static_rw_lock_writer_lock (GStaticRWLock* lock) +{ + g_return_if_fail (lock); + + if (!g_threads_got_initialized) + return; + + g_static_mutex_lock (&lock->mutex); + lock->want_to_write++; + while (lock->have_writer || lock->read_counter) + g_static_rw_lock_wait (&lock->write_cond, &lock->mutex); + lock->want_to_write--; + lock->have_writer = TRUE; + g_static_mutex_unlock (&lock->mutex); +} + +/** + * g_static_rw_lock_writer_trylock: + * @lock: a #GStaticRWLock to lock for writing. + * @Returns: %TRUE, if @lock could be locked for writing. + * + * Tries to lock @lock for writing. If @lock is already locked (for + * either reading or writing) by another thread, it immediately returns + * %FALSE. Otherwise it locks @lock for writing and returns %TRUE. This + * lock has to be unlocked by g_static_rw_lock_writer_unlock(). + **/ +gboolean +g_static_rw_lock_writer_trylock (GStaticRWLock* lock) +{ + gboolean ret_val = FALSE; + + g_return_val_if_fail (lock, FALSE); + + if (!g_threads_got_initialized) + return TRUE; + + g_static_mutex_lock (&lock->mutex); + if (!lock->have_writer && !lock->read_counter) + { + lock->have_writer = TRUE; + ret_val = TRUE; + } + g_static_mutex_unlock (&lock->mutex); + return ret_val; +} + +/** + * g_static_rw_lock_writer_unlock: + * @lock: a #GStaticRWLock to unlock after writing. + * + * Unlocks @lock. If a thread is waiting to lock @lock for writing and + * all locks for reading have been unlocked, the waiting thread is + * woken up and can lock @lock for writing. If no thread is waiting to + * lock @lock for writing, and some thread or threads are waiting to + * lock @lock for reading, the waiting threads are woken up and can + * lock @lock for reading. + **/ +void +g_static_rw_lock_writer_unlock (GStaticRWLock* lock) +{ + g_return_if_fail (lock); + + if (!g_threads_got_initialized) + return; + + g_static_mutex_lock (&lock->mutex); + lock->have_writer = FALSE; + g_static_rw_lock_signal (lock); + g_static_mutex_unlock (&lock->mutex); +} + +/** + * g_static_rw_lock_free: + * @lock: a #GStaticRWLock to be freed. + * + * Releases all resources allocated to @lock. + * + * You don't have to call this functions for a #GStaticRWLock with an + * unbounded lifetime, i.e. objects declared 'static', but if you have + * a #GStaticRWLock as a member of a structure, and the structure is + * freed, you should also free the #GStaticRWLock. + **/ +void +g_static_rw_lock_free (GStaticRWLock* lock) +{ + g_return_if_fail (lock); + + if (lock->read_cond) + { + g_cond_free (lock->read_cond); + lock->read_cond = NULL; + } + if (lock->write_cond) + { + g_cond_free (lock->write_cond); + lock->write_cond = NULL; + } + g_static_mutex_free (&lock->mutex); +} + +/* Unsorted {{{1 ---------------------------------------------------------- */ + +/** + * g_thread_foreach + * @thread_func: function to call for all GThread structures + * @user_data: second argument to @thread_func + * + * Call @thread_func on all existing #GThread structures. Note that + * threads may decide to exit while @thread_func is running, so + * without intimate knowledge about the lifetime of foreign threads, + * @thread_func shouldn't access the GThread* pointer passed in as + * first argument. However, @thread_func will not be called for threads + * which are known to have exited already. + * + * Due to thread lifetime checks, this function has an execution complexity + * which is quadratic in the number of existing threads. + * + * Since: 2.10 + */ +void +g_thread_foreach (GFunc thread_func, + gpointer user_data) +{ + GSList *slist = NULL; + GRealThread *thread; + g_return_if_fail (thread_func != NULL); + /* snapshot the list of threads for iteration */ + G_LOCK (g_thread); + for (thread = g_thread_all_threads; thread; thread = thread->next) + slist = g_slist_prepend (slist, thread); + G_UNLOCK (g_thread); + /* walk the list, skipping non-existent threads */ + while (slist) + { + GSList *node = slist; + slist = node->next; + /* check whether the current thread still exists */ + G_LOCK (g_thread); + for (thread = g_thread_all_threads; thread; thread = thread->next) + if (thread == node->data) + break; + G_UNLOCK (g_thread); + if (thread) + thread_func (thread, user_data); + g_slist_free_1 (node); + } +} + +/** + * g_thread_get_initialized + * + * Indicates if g_thread_init() has been called. + * + * Returns: %TRUE if threads have been initialized. + * + * Since: 2.20 + */ +gboolean +g_thread_get_initialized () +{ + return g_thread_supported (); +} diff --git a/deps/glib/gthread.h b/deps/glib/gthread.h new file mode 100644 index 0000000..9f5b34b --- /dev/null +++ b/deps/glib/gthread.h @@ -0,0 +1,407 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_THREAD_H__ +#define __G_THREAD_H__ + +#include +#include /* for G_INLINE_FUNC */ +#include /* for g_atomic_pointer_get */ + +G_BEGIN_DECLS + +/* GLib Thread support + */ + +extern GQuark g_thread_error_quark (void); +#define G_THREAD_ERROR g_thread_error_quark () + +typedef enum +{ + G_THREAD_ERROR_AGAIN /* Resource temporarily unavailable */ +} GThreadError; + +typedef gpointer (*GThreadFunc) (gpointer data); + +typedef enum +{ + G_THREAD_PRIORITY_LOW, + G_THREAD_PRIORITY_NORMAL, + G_THREAD_PRIORITY_HIGH, + G_THREAD_PRIORITY_URGENT +} GThreadPriority; + +typedef struct _GThread GThread; +struct _GThread +{ + /*< private >*/ + GThreadFunc func; + gpointer data; + gboolean joinable; + GThreadPriority priority; +}; + +typedef struct _GMutex GMutex; +typedef struct _GCond GCond; +typedef struct _GPrivate GPrivate; +typedef struct _GStaticPrivate GStaticPrivate; + +typedef struct _GThreadFunctions GThreadFunctions; +struct _GThreadFunctions +{ + GMutex* (*mutex_new) (void); + void (*mutex_lock) (GMutex *mutex); + gboolean (*mutex_trylock) (GMutex *mutex); + void (*mutex_unlock) (GMutex *mutex); + void (*mutex_free) (GMutex *mutex); + GCond* (*cond_new) (void); + void (*cond_signal) (GCond *cond); + void (*cond_broadcast) (GCond *cond); + void (*cond_wait) (GCond *cond, + GMutex *mutex); + gboolean (*cond_timed_wait) (GCond *cond, + GMutex *mutex, + GTimeVal *end_time); + void (*cond_free) (GCond *cond); + GPrivate* (*private_new) (GDestroyNotify destructor); + gpointer (*private_get) (GPrivate *private_key); + void (*private_set) (GPrivate *private_key, + gpointer data); + void (*thread_create) (GThreadFunc func, + gpointer data, + gulong stack_size, + gboolean joinable, + gboolean bound, + GThreadPriority priority, + gpointer thread, + GError **error); + void (*thread_yield) (void); + void (*thread_join) (gpointer thread); + void (*thread_exit) (void); + void (*thread_set_priority)(gpointer thread, + GThreadPriority priority); + void (*thread_self) (gpointer thread); + gboolean (*thread_equal) (gpointer thread1, + gpointer thread2); +}; + +GLIB_VAR GThreadFunctions g_thread_functions_for_glib_use; +GLIB_VAR gboolean g_thread_use_default_impl; +GLIB_VAR gboolean g_threads_got_initialized; + +GLIB_VAR guint64 (*g_thread_gettime) (void); + +/* initializes the mutex/cond/private implementation for glib, might + * only be called once, and must not be called directly or indirectly + * from another glib-function, e.g. as a callback. + */ +void g_thread_init (GThreadFunctions *vtable); + +/* Errorcheck mutexes. If you define G_ERRORCHECK_MUTEXES, then all + * mutexes will check for re-locking and re-unlocking */ + +/* Initialize thread system with errorcheck mutexes. vtable must be + * NULL. Do not call directly. Use #define G_ERRORCHECK_MUTEXES + * instead. + */ +void g_thread_init_with_errorcheck_mutexes (GThreadFunctions* vtable); + +/* Checks if thread support is initialized. Identical to the + * g_thread_supported macro but provided for language bindings. + */ +gboolean g_thread_get_initialized (void); + +/* A random number to recognize debug calls to g_mutex_... */ +#define G_MUTEX_DEBUG_MAGIC 0xf8e18ad7 + +#ifdef G_ERRORCHECK_MUTEXES +#define g_thread_init(vtable) g_thread_init_with_errorcheck_mutexes (vtable) +#endif + +/* internal function for fallback static mutex implementation */ +GMutex* g_static_mutex_get_mutex_impl (GMutex **mutex); + +#define g_static_mutex_get_mutex_impl_shortcut(mutex) \ + (g_atomic_pointer_get (mutex) ? *(mutex) : \ + g_static_mutex_get_mutex_impl (mutex)) + +/* shorthands for conditional and unconditional function calls */ + +#define G_THREAD_UF(op, arglist) \ + (*g_thread_functions_for_glib_use . op) arglist +#define G_THREAD_CF(op, fail, arg) \ + (g_thread_supported () ? G_THREAD_UF (op, arg) : (fail)) +#define G_THREAD_ECF(op, fail, mutex, type) \ + (g_thread_supported () ? \ + ((type(*)(GMutex*, const gulong, gchar const*)) \ + (*g_thread_functions_for_glib_use . op)) \ + (mutex, G_MUTEX_DEBUG_MAGIC, G_STRLOC) : (fail)) + +#ifndef G_ERRORCHECK_MUTEXES +# define g_mutex_lock(mutex) \ + G_THREAD_CF (mutex_lock, (void)0, (mutex)) +# define g_mutex_trylock(mutex) \ + G_THREAD_CF (mutex_trylock, TRUE, (mutex)) +# define g_mutex_unlock(mutex) \ + G_THREAD_CF (mutex_unlock, (void)0, (mutex)) +# define g_mutex_free(mutex) \ + G_THREAD_CF (mutex_free, (void)0, (mutex)) +# define g_cond_wait(cond, mutex) \ + G_THREAD_CF (cond_wait, (void)0, (cond, mutex)) +# define g_cond_timed_wait(cond, mutex, abs_time) \ + G_THREAD_CF (cond_timed_wait, TRUE, (cond, mutex, abs_time)) +#else /* G_ERRORCHECK_MUTEXES */ +# define g_mutex_lock(mutex) \ + G_THREAD_ECF (mutex_lock, (void)0, (mutex), void) +# define g_mutex_trylock(mutex) \ + G_THREAD_ECF (mutex_trylock, TRUE, (mutex), gboolean) +# define g_mutex_unlock(mutex) \ + G_THREAD_ECF (mutex_unlock, (void)0, (mutex), void) +# define g_mutex_free(mutex) \ + G_THREAD_ECF (mutex_free, (void)0, (mutex), void) +# define g_cond_wait(cond, mutex) \ + (g_thread_supported () ? ((void(*)(GCond*, GMutex*, gulong, gchar*))\ + g_thread_functions_for_glib_use.cond_wait) \ + (cond, mutex, G_MUTEX_DEBUG_MAGIC, G_STRLOC) : (void) 0) +# define g_cond_timed_wait(cond, mutex, abs_time) \ + (g_thread_supported () ? \ + ((gboolean(*)(GCond*, GMutex*, GTimeVal*, gulong, gchar*)) \ + g_thread_functions_for_glib_use.cond_timed_wait) \ + (cond, mutex, abs_time, G_MUTEX_DEBUG_MAGIC, G_STRLOC) : TRUE) +#endif /* G_ERRORCHECK_MUTEXES */ + +#if defined(G_THREADS_ENABLED) && defined(G_THREADS_MANDATORY) +#define g_thread_supported() 1 +#else +#define g_thread_supported() (g_threads_got_initialized) +#endif +#define g_mutex_new() G_THREAD_UF (mutex_new, ()) +#define g_cond_new() G_THREAD_UF (cond_new, ()) +#define g_cond_signal(cond) G_THREAD_CF (cond_signal, (void)0, (cond)) +#define g_cond_broadcast(cond) G_THREAD_CF (cond_broadcast, (void)0, (cond)) +#define g_cond_free(cond) G_THREAD_CF (cond_free, (void)0, (cond)) +#define g_private_new(destructor) G_THREAD_UF (private_new, (destructor)) +#define g_private_get(private_key) G_THREAD_CF (private_get, \ + ((gpointer)private_key), \ + (private_key)) +#define g_private_set(private_key, value) G_THREAD_CF (private_set, \ + (void) (private_key = \ + (GPrivate*) (value)), \ + (private_key, value)) +#define g_thread_yield() G_THREAD_CF (thread_yield, (void)0, ()) + +#define g_thread_create(func, data, joinable, error) \ + (g_thread_create_full (func, data, 0, joinable, FALSE, \ + G_THREAD_PRIORITY_NORMAL, error)) + +GThread* g_thread_create_full (GThreadFunc func, + gpointer data, + gulong stack_size, + gboolean joinable, + gboolean bound, + GThreadPriority priority, + GError **error); +GThread* g_thread_self (void); +void g_thread_exit (gpointer retval); +gpointer g_thread_join (GThread *thread); + +void g_thread_set_priority (GThread *thread, + GThreadPriority priority); + +/* GStaticMutexes can be statically initialized with the value + * G_STATIC_MUTEX_INIT, and then they can directly be used, that is + * much easier, than having to explicitly allocate the mutex before + * use + */ +#define g_static_mutex_lock(mutex) \ + g_mutex_lock (g_static_mutex_get_mutex (mutex)) +#define g_static_mutex_trylock(mutex) \ + g_mutex_trylock (g_static_mutex_get_mutex (mutex)) +#define g_static_mutex_unlock(mutex) \ + g_mutex_unlock (g_static_mutex_get_mutex (mutex)) +void g_static_mutex_init (GStaticMutex *mutex); +void g_static_mutex_free (GStaticMutex *mutex); + +struct _GStaticPrivate +{ + /*< private >*/ + guint index; +}; +#define G_STATIC_PRIVATE_INIT { 0 } +void g_static_private_init (GStaticPrivate *private_key); +gpointer g_static_private_get (GStaticPrivate *private_key); +void g_static_private_set (GStaticPrivate *private_key, + gpointer data, + GDestroyNotify notify); +void g_static_private_free (GStaticPrivate *private_key); + +typedef struct _GStaticRecMutex GStaticRecMutex; +struct _GStaticRecMutex +{ + /*< private >*/ + GStaticMutex mutex; + guint depth; + GSystemThread owner; +}; + +#define G_STATIC_REC_MUTEX_INIT { G_STATIC_MUTEX_INIT, 0, {{0, 0, 0, 0}} } +void g_static_rec_mutex_init (GStaticRecMutex *mutex); +void g_static_rec_mutex_lock (GStaticRecMutex *mutex); +gboolean g_static_rec_mutex_trylock (GStaticRecMutex *mutex); +void g_static_rec_mutex_unlock (GStaticRecMutex *mutex); +void g_static_rec_mutex_lock_full (GStaticRecMutex *mutex, + guint depth); +guint g_static_rec_mutex_unlock_full (GStaticRecMutex *mutex); +void g_static_rec_mutex_free (GStaticRecMutex *mutex); + +typedef struct _GStaticRWLock GStaticRWLock; +struct _GStaticRWLock +{ + /*< private >*/ + GStaticMutex mutex; + GCond *read_cond; + GCond *write_cond; + guint read_counter; + gboolean have_writer; + guint want_to_read; + guint want_to_write; +}; + +#define G_STATIC_RW_LOCK_INIT { G_STATIC_MUTEX_INIT, NULL, NULL, 0, FALSE, 0, 0 } + +void g_static_rw_lock_init (GStaticRWLock* lock); +void g_static_rw_lock_reader_lock (GStaticRWLock* lock); +gboolean g_static_rw_lock_reader_trylock (GStaticRWLock* lock); +void g_static_rw_lock_reader_unlock (GStaticRWLock* lock); +void g_static_rw_lock_writer_lock (GStaticRWLock* lock); +gboolean g_static_rw_lock_writer_trylock (GStaticRWLock* lock); +void g_static_rw_lock_writer_unlock (GStaticRWLock* lock); +void g_static_rw_lock_free (GStaticRWLock* lock); + +void g_thread_foreach (GFunc thread_func, + gpointer user_data); + +typedef enum +{ + G_ONCE_STATUS_NOTCALLED, + G_ONCE_STATUS_PROGRESS, + G_ONCE_STATUS_READY +} GOnceStatus; + +typedef struct _GOnce GOnce; +struct _GOnce +{ + volatile GOnceStatus status; + volatile gpointer retval; +}; + +#define G_ONCE_INIT { G_ONCE_STATUS_NOTCALLED, NULL } + +gpointer g_once_impl (GOnce *once, GThreadFunc func, gpointer arg); + +#ifdef G_ATOMIC_OP_MEMORY_BARRIER_NEEDED +# define g_once(once, func, arg) g_once_impl ((once), (func), (arg)) +#else /* !G_ATOMIC_OP_MEMORY_BARRIER_NEEDED*/ +# define g_once(once, func, arg) \ + (((once)->status == G_ONCE_STATUS_READY) ? \ + (once)->retval : \ + g_once_impl ((once), (func), (arg))) +#endif /* G_ATOMIC_OP_MEMORY_BARRIER_NEEDED */ + +/* initialize-once guards, keyed by value_location */ +G_INLINE_FUNC gboolean g_once_init_enter (volatile gsize *value_location); +gboolean g_once_init_enter_impl (volatile gsize *value_location); +void g_once_init_leave (volatile gsize *value_location, + gsize initialization_value); +#if defined (G_CAN_INLINE) || defined (__G_THREAD_C__) +G_INLINE_FUNC gboolean +g_once_init_enter (volatile gsize *value_location) +{ + if G_LIKELY ((gpointer) g_atomic_pointer_get (value_location) != NULL) + return FALSE; + else + return g_once_init_enter_impl (value_location); +} +#endif /* G_CAN_INLINE || __G_THREAD_C__ */ + +/* these are some convenience macros that expand to nothing if GLib + * was configured with --disable-threads. for using StaticMutexes, + * you define them with G_LOCK_DEFINE_STATIC (name) or G_LOCK_DEFINE (name) + * if you need to export the mutex. With G_LOCK_EXTERN (name) you can + * declare such an globally defined lock. name is a unique identifier + * for the protected varibale or code portion. locking, testing and + * unlocking of such mutexes can be done with G_LOCK(), G_UNLOCK() and + * G_TRYLOCK() respectively. + */ +extern void glib_dummy_decl (void); +#define G_LOCK_NAME(name) g__ ## name ## _lock +#ifdef G_THREADS_ENABLED +# define G_LOCK_DEFINE_STATIC(name) static G_LOCK_DEFINE (name) +# define G_LOCK_DEFINE(name) \ + GStaticMutex G_LOCK_NAME (name) = G_STATIC_MUTEX_INIT +# define G_LOCK_EXTERN(name) extern GStaticMutex G_LOCK_NAME (name) + +# ifdef G_DEBUG_LOCKS +# define G_LOCK(name) G_STMT_START{ \ + g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ + "file %s: line %d (%s): locking: %s ", \ + __FILE__, __LINE__, G_STRFUNC, \ + #name); \ + g_static_mutex_lock (&G_LOCK_NAME (name)); \ + }G_STMT_END +# define G_UNLOCK(name) G_STMT_START{ \ + g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ + "file %s: line %d (%s): unlocking: %s ", \ + __FILE__, __LINE__, G_STRFUNC, \ + #name); \ + g_static_mutex_unlock (&G_LOCK_NAME (name)); \ + }G_STMT_END +# define G_TRYLOCK(name) \ + (g_log (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, \ + "file %s: line %d (%s): try locking: %s ", \ + __FILE__, __LINE__, G_STRFUNC, \ + #name), g_static_mutex_trylock (&G_LOCK_NAME (name))) +# else /* !G_DEBUG_LOCKS */ +# define G_LOCK(name) g_static_mutex_lock (&G_LOCK_NAME (name)) +# define G_UNLOCK(name) g_static_mutex_unlock (&G_LOCK_NAME (name)) +# define G_TRYLOCK(name) g_static_mutex_trylock (&G_LOCK_NAME (name)) +# endif /* !G_DEBUG_LOCKS */ +#else /* !G_THREADS_ENABLED */ +# define G_LOCK_DEFINE_STATIC(name) extern void glib_dummy_decl (void) +# define G_LOCK_DEFINE(name) extern void glib_dummy_decl (void) +# define G_LOCK_EXTERN(name) extern void glib_dummy_decl (void) +# define G_LOCK(name) +# define G_UNLOCK(name) +# define G_TRYLOCK(name) (TRUE) +#endif /* !G_THREADS_ENABLED */ + +G_END_DECLS + +#endif /* __G_THREAD_H__ */ diff --git a/deps/glib/gtypes.h b/deps/glib/gtypes.h new file mode 100644 index 0000000..8e77563 --- /dev/null +++ b/deps/glib/gtypes.h @@ -0,0 +1,461 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_TYPES_H__ +#define __G_TYPES_H__ + +#include +#include +#include + +G_BEGIN_DECLS + +/* Provide type definitions for commonly used types. + * These are useful because a "gint8" can be adjusted + * to be 1 byte (8 bits) on all platforms. Similarly and + * more importantly, "gint32" can be adjusted to be + * 4 bytes (32 bits) on all platforms. + */ + +typedef char gchar; +typedef short gshort; +typedef long glong; +typedef int gint; +typedef gint gboolean; + +typedef unsigned char guchar; +typedef unsigned short gushort; +typedef unsigned long gulong; +typedef unsigned int guint; + +typedef float gfloat; +typedef double gdouble; + +/* Define min and max constants for the fixed size numerical types */ +#define G_MININT8 ((gint8) 0x80) +#define G_MAXINT8 ((gint8) 0x7f) +#define G_MAXUINT8 ((guint8) 0xff) + +#define G_MININT16 ((gint16) 0x8000) +#define G_MAXINT16 ((gint16) 0x7fff) +#define G_MAXUINT16 ((guint16) 0xffff) + +#define G_MININT32 ((gint32) 0x80000000) +#define G_MAXINT32 ((gint32) 0x7fffffff) +#define G_MAXUINT32 ((guint32) 0xffffffff) + +#define G_MININT64 ((gint64) G_GINT64_CONSTANT(0x8000000000000000)) +#define G_MAXINT64 G_GINT64_CONSTANT(0x7fffffffffffffff) +#define G_MAXUINT64 G_GINT64_CONSTANT(0xffffffffffffffffU) + +typedef void* gpointer; +typedef const void *gconstpointer; + +typedef gint (*GCompareFunc) (gconstpointer a, + gconstpointer b); +typedef gint (*GCompareDataFunc) (gconstpointer a, + gconstpointer b, + gpointer user_data); +typedef gboolean (*GEqualFunc) (gconstpointer a, + gconstpointer b); +typedef void (*GDestroyNotify) (gpointer data); +typedef void (*GFunc) (gpointer data, + gpointer user_data); +typedef guint (*GHashFunc) (gconstpointer key); +typedef void (*GHFunc) (gpointer key, + gpointer value, + gpointer user_data); + +/** + * GFreeFunc: + * @data: a data pointer + * + * Declares a type of function which takes an arbitrary + * data pointer argument and has no return value. It is + * not currently used in GLib or GTK+. + */ +typedef void (*GFreeFunc) (gpointer data); + +/** + * GTranslateFunc: + * @str: the untranslated string + * @data: user data specified when installing the function, e.g. + * in g_option_group_set_translate_func() + * + * The type of functions which are used to translate user-visible + * strings, for output. + * + * Returns: a translation of the string for the current locale. + * The returned string is owned by GLib and must not be freed. + */ +typedef const gchar * (*GTranslateFunc) (const gchar *str, + gpointer data); + + +/* Define some mathematical constants that aren't available + * symbolically in some strict ISO C implementations. + * + * Note that the large number of digits used in these definitions + * doesn't imply that GLib or current computers in general would be + * able to handle floating point numbers with an accuracy like this. + * It's mostly an exercise in futility and future proofing. For + * extended precision floating point support, look somewhere else + * than GLib. + */ +#define G_E 2.7182818284590452353602874713526624977572470937000 +#define G_LN2 0.69314718055994530941723212145817656807550013436026 +#define G_LN10 2.3025850929940456840179914546843642076011014886288 +#define G_PI 3.1415926535897932384626433832795028841971693993751 +#define G_PI_2 1.5707963267948966192313216916397514420985846996876 +#define G_PI_4 0.78539816339744830961566084581987572104929234984378 +#define G_SQRT2 1.4142135623730950488016887242096980785696718753769 + +/* Portable endian checks and conversions + * + * glibconfig.h defines G_BYTE_ORDER which expands to one of + * the below macros. + */ +#define G_LITTLE_ENDIAN 1234 +#define G_BIG_ENDIAN 4321 +#define G_PDP_ENDIAN 3412 /* unused, need specific PDP check */ + + +/* Basic bit swapping functions + */ +#define GUINT16_SWAP_LE_BE_CONSTANT(val) ((guint16) ( \ + (guint16) ((guint16) (val) >> 8) | \ + (guint16) ((guint16) (val) << 8))) + +#define GUINT32_SWAP_LE_BE_CONSTANT(val) ((guint32) ( \ + (((guint32) (val) & (guint32) 0x000000ffU) << 24) | \ + (((guint32) (val) & (guint32) 0x0000ff00U) << 8) | \ + (((guint32) (val) & (guint32) 0x00ff0000U) >> 8) | \ + (((guint32) (val) & (guint32) 0xff000000U) >> 24))) + +#define GUINT64_SWAP_LE_BE_CONSTANT(val) ((guint64) ( \ + (((guint64) (val) & \ + (guint64) G_GINT64_CONSTANT (0x00000000000000ffU)) << 56) | \ + (((guint64) (val) & \ + (guint64) G_GINT64_CONSTANT (0x000000000000ff00U)) << 40) | \ + (((guint64) (val) & \ + (guint64) G_GINT64_CONSTANT (0x0000000000ff0000U)) << 24) | \ + (((guint64) (val) & \ + (guint64) G_GINT64_CONSTANT (0x00000000ff000000U)) << 8) | \ + (((guint64) (val) & \ + (guint64) G_GINT64_CONSTANT (0x000000ff00000000U)) >> 8) | \ + (((guint64) (val) & \ + (guint64) G_GINT64_CONSTANT (0x0000ff0000000000U)) >> 24) | \ + (((guint64) (val) & \ + (guint64) G_GINT64_CONSTANT (0x00ff000000000000U)) >> 40) | \ + (((guint64) (val) & \ + (guint64) G_GINT64_CONSTANT (0xff00000000000000U)) >> 56))) + +/* Arch specific stuff for speed + */ +#if defined (__GNUC__) && (__GNUC__ >= 2) && defined (__OPTIMIZE__) +# if defined (__i386__) +# define GUINT16_SWAP_LE_BE_IA32(val) \ + (G_GNUC_EXTENSION \ + ({ register guint16 __v, __x = ((guint16) (val)); \ + if (__builtin_constant_p (__x)) \ + __v = GUINT16_SWAP_LE_BE_CONSTANT (__x); \ + else \ + __asm__ ("rorw $8, %w0" \ + : "=r" (__v) \ + : "0" (__x) \ + : "cc"); \ + __v; })) +# if !defined (__i486__) && !defined (__i586__) \ + && !defined (__pentium__) && !defined (__i686__) \ + && !defined (__pentiumpro__) && !defined (__pentium4__) +# define GUINT32_SWAP_LE_BE_IA32(val) \ + (G_GNUC_EXTENSION \ + ({ register guint32 __v, __x = ((guint32) (val)); \ + if (__builtin_constant_p (__x)) \ + __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \ + else \ + __asm__ ("rorw $8, %w0\n\t" \ + "rorl $16, %0\n\t" \ + "rorw $8, %w0" \ + : "=r" (__v) \ + : "0" (__x) \ + : "cc"); \ + __v; })) +# else /* 486 and higher has bswap */ +# define GUINT32_SWAP_LE_BE_IA32(val) \ + (G_GNUC_EXTENSION \ + ({ register guint32 __v, __x = ((guint32) (val)); \ + if (__builtin_constant_p (__x)) \ + __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \ + else \ + __asm__ ("bswap %0" \ + : "=r" (__v) \ + : "0" (__x)); \ + __v; })) +# endif /* processor specific 32-bit stuff */ +# define GUINT64_SWAP_LE_BE_IA32(val) \ + (G_GNUC_EXTENSION \ + ({ union { guint64 __ll; \ + guint32 __l[2]; } __w, __r; \ + __w.__ll = ((guint64) (val)); \ + if (__builtin_constant_p (__w.__ll)) \ + __r.__ll = GUINT64_SWAP_LE_BE_CONSTANT (__w.__ll); \ + else \ + { \ + __r.__l[0] = GUINT32_SWAP_LE_BE (__w.__l[1]); \ + __r.__l[1] = GUINT32_SWAP_LE_BE (__w.__l[0]); \ + } \ + __r.__ll; })) + /* Possibly just use the constant version and let gcc figure it out? */ +# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA32 (val)) +# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA32 (val)) +# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA32 (val)) +# elif defined (__ia64__) +# define GUINT16_SWAP_LE_BE_IA64(val) \ + (G_GNUC_EXTENSION \ + ({ register guint16 __v, __x = ((guint16) (val)); \ + if (__builtin_constant_p (__x)) \ + __v = GUINT16_SWAP_LE_BE_CONSTANT (__x); \ + else \ + __asm__ __volatile__ ("shl %0 = %1, 48 ;;" \ + "mux1 %0 = %0, @rev ;;" \ + : "=r" (__v) \ + : "r" (__x)); \ + __v; })) +# define GUINT32_SWAP_LE_BE_IA64(val) \ + (G_GNUC_EXTENSION \ + ({ register guint32 __v, __x = ((guint32) (val)); \ + if (__builtin_constant_p (__x)) \ + __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \ + else \ + __asm__ __volatile__ ("shl %0 = %1, 32 ;;" \ + "mux1 %0 = %0, @rev ;;" \ + : "=r" (__v) \ + : "r" (__x)); \ + __v; })) +# define GUINT64_SWAP_LE_BE_IA64(val) \ + (G_GNUC_EXTENSION \ + ({ register guint64 __v, __x = ((guint64) (val)); \ + if (__builtin_constant_p (__x)) \ + __v = GUINT64_SWAP_LE_BE_CONSTANT (__x); \ + else \ + __asm__ __volatile__ ("mux1 %0 = %1, @rev ;;" \ + : "=r" (__v) \ + : "r" (__x)); \ + __v; })) +# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_IA64 (val)) +# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_IA64 (val)) +# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_IA64 (val)) +# elif defined (__x86_64__) +# define GUINT32_SWAP_LE_BE_X86_64(val) \ + (G_GNUC_EXTENSION \ + ({ register guint32 __v, __x = ((guint32) (val)); \ + if (__builtin_constant_p (__x)) \ + __v = GUINT32_SWAP_LE_BE_CONSTANT (__x); \ + else \ + __asm__ ("bswapl %0" \ + : "=r" (__v) \ + : "0" (__x)); \ + __v; })) +# define GUINT64_SWAP_LE_BE_X86_64(val) \ + (G_GNUC_EXTENSION \ + ({ register guint64 __v, __x = ((guint64) (val)); \ + if (__builtin_constant_p (__x)) \ + __v = GUINT64_SWAP_LE_BE_CONSTANT (__x); \ + else \ + __asm__ ("bswapq %0" \ + : "=r" (__v) \ + : "0" (__x)); \ + __v; })) + /* gcc seems to figure out optimal code for this on its own */ +# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) +# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_X86_64 (val)) +# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_X86_64 (val)) +# else /* generic gcc */ +# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) +# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val)) +# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val)) +# endif +#else /* generic */ +# define GUINT16_SWAP_LE_BE(val) (GUINT16_SWAP_LE_BE_CONSTANT (val)) +# define GUINT32_SWAP_LE_BE(val) (GUINT32_SWAP_LE_BE_CONSTANT (val)) +# define GUINT64_SWAP_LE_BE(val) (GUINT64_SWAP_LE_BE_CONSTANT (val)) +#endif /* generic */ + +#define GUINT16_SWAP_LE_PDP(val) ((guint16) (val)) +#define GUINT16_SWAP_BE_PDP(val) (GUINT16_SWAP_LE_BE (val)) +#define GUINT32_SWAP_LE_PDP(val) ((guint32) ( \ + (((guint32) (val) & (guint32) 0x0000ffffU) << 16) | \ + (((guint32) (val) & (guint32) 0xffff0000U) >> 16))) +#define GUINT32_SWAP_BE_PDP(val) ((guint32) ( \ + (((guint32) (val) & (guint32) 0x00ff00ffU) << 8) | \ + (((guint32) (val) & (guint32) 0xff00ff00U) >> 8))) + +/* The G*_TO_?E() macros are defined in glibconfig.h. + * The transformation is symmetric, so the FROM just maps to the TO. + */ +#define GINT16_FROM_LE(val) (GINT16_TO_LE (val)) +#define GUINT16_FROM_LE(val) (GUINT16_TO_LE (val)) +#define GINT16_FROM_BE(val) (GINT16_TO_BE (val)) +#define GUINT16_FROM_BE(val) (GUINT16_TO_BE (val)) +#define GINT32_FROM_LE(val) (GINT32_TO_LE (val)) +#define GUINT32_FROM_LE(val) (GUINT32_TO_LE (val)) +#define GINT32_FROM_BE(val) (GINT32_TO_BE (val)) +#define GUINT32_FROM_BE(val) (GUINT32_TO_BE (val)) + +#define GINT64_FROM_LE(val) (GINT64_TO_LE (val)) +#define GUINT64_FROM_LE(val) (GUINT64_TO_LE (val)) +#define GINT64_FROM_BE(val) (GINT64_TO_BE (val)) +#define GUINT64_FROM_BE(val) (GUINT64_TO_BE (val)) + +#define GLONG_FROM_LE(val) (GLONG_TO_LE (val)) +#define GULONG_FROM_LE(val) (GULONG_TO_LE (val)) +#define GLONG_FROM_BE(val) (GLONG_TO_BE (val)) +#define GULONG_FROM_BE(val) (GULONG_TO_BE (val)) + +#define GINT_FROM_LE(val) (GINT_TO_LE (val)) +#define GUINT_FROM_LE(val) (GUINT_TO_LE (val)) +#define GINT_FROM_BE(val) (GINT_TO_BE (val)) +#define GUINT_FROM_BE(val) (GUINT_TO_BE (val)) + +#define GSIZE_FROM_LE(val) (GSIZE_TO_LE (val)) +#define GSSIZE_FROM_LE(val) (GSSIZE_TO_LE (val)) +#define GSIZE_FROM_BE(val) (GSIZE_TO_BE (val)) +#define GSSIZE_FROM_BE(val) (GSSIZE_TO_BE (val)) + + +/* Portable versions of host-network order stuff + */ +#define g_ntohl(val) (GUINT32_FROM_BE (val)) +#define g_ntohs(val) (GUINT16_FROM_BE (val)) +#define g_htonl(val) (GUINT32_TO_BE (val)) +#define g_htons(val) (GUINT16_TO_BE (val)) + +/* IEEE Standard 754 Single Precision Storage Format (gfloat): + * + * 31 30 23 22 0 + * +--------+---------------+---------------+ + * | s 1bit | e[30:23] 8bit | f[22:0] 23bit | + * +--------+---------------+---------------+ + * B0------------------->B1------->B2-->B3--> + * + * IEEE Standard 754 Double Precision Storage Format (gdouble): + * + * 63 62 52 51 32 31 0 + * +--------+----------------+----------------+ +---------------+ + * | s 1bit | e[62:52] 11bit | f[51:32] 20bit | | f[31:0] 32bit | + * +--------+----------------+----------------+ +---------------+ + * B0--------------->B1---------->B2--->B3----> B4->B5->B6->B7-> + */ +/* subtract from biased_exponent to form base2 exponent (normal numbers) */ +typedef union _GDoubleIEEE754 GDoubleIEEE754; +typedef union _GFloatIEEE754 GFloatIEEE754; +#define G_IEEE754_FLOAT_BIAS (127) +#define G_IEEE754_DOUBLE_BIAS (1023) +/* multiply with base2 exponent to get base10 exponent (normal numbers) */ +#define G_LOG_2_BASE_10 (0.30102999566398119521) +#if G_BYTE_ORDER == G_LITTLE_ENDIAN +union _GFloatIEEE754 +{ + gfloat v_float; + struct { + guint mantissa : 23; + guint biased_exponent : 8; + guint sign : 1; + } mpn; +}; +union _GDoubleIEEE754 +{ + gdouble v_double; + struct { + guint mantissa_low : 32; + guint mantissa_high : 20; + guint biased_exponent : 11; + guint sign : 1; + } mpn; +}; +#elif G_BYTE_ORDER == G_BIG_ENDIAN +union _GFloatIEEE754 +{ + gfloat v_float; + struct { + guint sign : 1; + guint biased_exponent : 8; + guint mantissa : 23; + } mpn; +}; +union _GDoubleIEEE754 +{ + gdouble v_double; + struct { + guint sign : 1; + guint biased_exponent : 11; + guint mantissa_high : 20; + guint mantissa_low : 32; + } mpn; +}; +#else /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */ +#error unknown ENDIAN type +#endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */ + +typedef struct _GTimeVal GTimeVal; + +struct _GTimeVal +{ + glong tv_sec; + glong tv_usec; +}; + +G_END_DECLS + +/* We prefix variable declarations so they can + * properly get exported in Windows DLLs. + */ +#ifndef GLIB_VAR +# ifdef G_PLATFORM_WIN32 +# ifdef GLIB_STATIC_COMPILATION +# define GLIB_VAR extern +# else /* !GLIB_STATIC_COMPILATION */ +# ifdef GLIB_COMPILATION +# ifdef DLL_EXPORT +# define GLIB_VAR __declspec(dllexport) +# else /* !DLL_EXPORT */ +# define GLIB_VAR extern +# endif /* !DLL_EXPORT */ +# else /* !GLIB_COMPILATION */ +# define GLIB_VAR extern __declspec(dllimport) +# endif /* !GLIB_COMPILATION */ +# endif /* !GLIB_STATIC_COMPILATION */ +# else /* !G_PLATFORM_WIN32 */ +# define GLIB_VAR extern +# endif /* !G_PLATFORM_WIN32 */ +#endif /* GLIB_VAR */ + +#endif /* __G_TYPES_H__ */ diff --git a/deps/glib/gunicode.h b/deps/glib/gunicode.h new file mode 100644 index 0000000..5d5d3ad --- /dev/null +++ b/deps/glib/gunicode.h @@ -0,0 +1,729 @@ +/* gunicode.h - Unicode manipulation functions + * + * Copyright (C) 1999, 2000 Tom Tromey + * Copyright 2000, 2005 Red Hat, Inc. + * + * The Gnome Library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * The Gnome Library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the Gnome Library; see the file COPYING.LIB. If not, + * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_UNICODE_H__ +#define __G_UNICODE_H__ + +#include +#include + +G_BEGIN_DECLS + +/** + * gunichar: + * + * A type which can hold any UTF-32 or UCS-4 character code, + * also known as a Unicode code point. + * + * If you want to produce the UTF-8 representation of a #gunichar, + * use g_ucs4_to_utf8(). See also g_utf8_to_ucs4() for the reverse + * process. + * + * To print/scan values of this type as integer, use + * %G_GINT32_MODIFIER and/or %G_GUINT32_FORMAT. + * + * The notation to express a Unicode code point in running text is + * as a hexadecimal number with four to six digits and uppercase + * letters, prefixed by the string "U+". Leading zeros are omitted, + * unless the code point would have fewer than four hexadecimal digits. + * For example, "U+0041 LATIN CAPITAL LETTER A". To print a code point + * in the U+-notation, use the format string "U+\%04"G_GINT32_FORMAT"X". + * To scan, use the format string "U+\%06"G_GINT32_FORMAT"X". + * + * |[ + * gunichar c; + * sscanf ("U+0041", "U+%06"G_GINT32_FORMAT"X", &c) + * g_print ("Read U+%04"G_GINT32_FORMAT"X", c); + * ]| + */ +typedef guint32 gunichar; + +/** + * gunichar2: + * + * A type which can hold any UTF-16 code + * pointUTF-16 also has so called + * surrogate pairs to encode characters beyond + * the BMP as pairs of 16bit numbers. Surrogate pairs cannot be stored + * in a single gunichar2 field, but all GLib functions accepting gunichar2 + * arrays will correctly interpret surrogate pairs.. + * + * To print/scan values of this type to/from text you need to convert + * to/from UTF-8, using g_utf16_to_utf8()/g_utf8_to_utf16(). + * + * To print/scan values of this type as integer, use + * %G_GINT16_MODIFIER and/or %G_GUINT16_FORMAT. + */ +typedef guint16 gunichar2; + +/** + * GUnicodeType: + * @G_UNICODE_CONTROL: General category "Other, Control" (Cc) + * @G_UNICODE_FORMAT: General category "Other, Format" (Cf) + * @G_UNICODE_UNASSIGNED: General category "Other, Not Assigned" (Cn) + * @G_UNICODE_PRIVATE_USE: General category "Other, Private Use" (Co) + * @G_UNICODE_SURROGATE: General category "Other, Surrogate" (Cs) + * @G_UNICODE_LOWERCASE_LETTER: General category "Letter, Lowercase" (Ll) + * @G_UNICODE_MODIFIER_LETTER: General category "Letter, Modifier" (Lm) + * @G_UNICODE_OTHER_LETTER: General category "Letter, Other" (Lo) + * @G_UNICODE_TITLECASE_LETTER: General category "Letter, Titlecase" (Lt) + * @G_UNICODE_UPPERCASE_LETTER: General category "Letter, Uppercase" (Lu) + * @G_UNICODE_SPACING_MARK: General category "Mark, Spacing" (Mc) + * @G_UNICODE_ENCLOSING_MARK: General category "Mark, Enclosing" (Me) + * @G_UNICODE_NON_SPACING_MARK: General category "Mark, Nonspacing" (Mn) + * @G_UNICODE_DECIMAL_NUMBER: General category "Number, Decimal Digit" (Nd) + * @G_UNICODE_LETTER_NUMBER: General category "Number, Letter" (Nl) + * @G_UNICODE_OTHER_NUMBER: General category "Number, Other" (No) + * @G_UNICODE_CONNECT_PUNCTUATION: General category "Punctuation, Connector" (Pc) + * @G_UNICODE_DASH_PUNCTUATION: General category "Punctuation, Dash" (Pd) + * @G_UNICODE_CLOSE_PUNCTUATION: General category "Punctuation, Close" (Pe) + * @G_UNICODE_FINAL_PUNCTUATION: General category "Punctuation, Final quote" (Pf) + * @G_UNICODE_INITIAL_PUNCTUATION: General category "Punctuation, Initial quote" (Pi) + * @G_UNICODE_OTHER_PUNCTUATION: General category "Punctuation, Other" (Po) + * @G_UNICODE_OPEN_PUNCTUATION: General category "Punctuation, Open" (Ps) + * @G_UNICODE_CURRENCY_SYMBOL: General category "Symbol, Currency" (Sc) + * @G_UNICODE_MODIFIER_SYMBOL: General category "Symbol, Modifier" (Sk) + * @G_UNICODE_MATH_SYMBOL: General category "Symbol, Math" (Sm) + * @G_UNICODE_OTHER_SYMBOL: General category "Symbol, Other" (So) + * @G_UNICODE_LINE_SEPARATOR: General category "Separator, Line" (Zl) + * @G_UNICODE_PARAGRAPH_SEPARATOR: General category "Separator, Paragraph" (Zp) + * @G_UNICODE_SPACE_SEPARATOR: General category "Separator, Space" (Zs) + * + * These are the possible character classifications from the + * Unicode specification. + * See http://www.unicode.org/Public/UNIDATA/UnicodeData.html. + */ +typedef enum +{ + G_UNICODE_CONTROL, + G_UNICODE_FORMAT, + G_UNICODE_UNASSIGNED, + G_UNICODE_PRIVATE_USE, + G_UNICODE_SURROGATE, + G_UNICODE_LOWERCASE_LETTER, + G_UNICODE_MODIFIER_LETTER, + G_UNICODE_OTHER_LETTER, + G_UNICODE_TITLECASE_LETTER, + G_UNICODE_UPPERCASE_LETTER, + G_UNICODE_SPACING_MARK, + G_UNICODE_ENCLOSING_MARK, + G_UNICODE_NON_SPACING_MARK, + G_UNICODE_DECIMAL_NUMBER, + G_UNICODE_LETTER_NUMBER, + G_UNICODE_OTHER_NUMBER, + G_UNICODE_CONNECT_PUNCTUATION, + G_UNICODE_DASH_PUNCTUATION, + G_UNICODE_CLOSE_PUNCTUATION, + G_UNICODE_FINAL_PUNCTUATION, + G_UNICODE_INITIAL_PUNCTUATION, + G_UNICODE_OTHER_PUNCTUATION, + G_UNICODE_OPEN_PUNCTUATION, + G_UNICODE_CURRENCY_SYMBOL, + G_UNICODE_MODIFIER_SYMBOL, + G_UNICODE_MATH_SYMBOL, + G_UNICODE_OTHER_SYMBOL, + G_UNICODE_LINE_SEPARATOR, + G_UNICODE_PARAGRAPH_SEPARATOR, + G_UNICODE_SPACE_SEPARATOR +} GUnicodeType; + +/** + * G_UNICODE_COMBINING_MARK: + * + * Older name for %G_UNICODE_SPACING_MARK. + * + * Deprecated: 2.30: Use %G_UNICODE_SPACING_MARK. + */ +#ifndef G_DISABLE_DEPRECATED +#define G_UNICODE_COMBINING_MARK G_UNICODE_SPACING_MARK +#endif + +/** + * GUnicodeBreakType: + * @G_UNICODE_BREAK_MANDATORY: Mandatory Break (BK) + * @G_UNICODE_BREAK_CARRIAGE_RETURN: Carriage Return (CR) + * @G_UNICODE_BREAK_LINE_FEED: Line Feed (LF) + * @G_UNICODE_BREAK_COMBINING_MARK: Attached Characters and Combining Marks (CM) + * @G_UNICODE_BREAK_SURROGATE: Surrogates (SG) + * @G_UNICODE_BREAK_ZERO_WIDTH_SPACE: Zero Width Space (ZW) + * @G_UNICODE_BREAK_INSEPARABLE: Inseparable (IN) + * @G_UNICODE_BREAK_NON_BREAKING_GLUE: Non-breaking ("Glue") (GL) + * @G_UNICODE_BREAK_CONTINGENT: Contingent Break Opportunity (CB) + * @G_UNICODE_BREAK_SPACE: Space (SP) + * @G_UNICODE_BREAK_AFTER: Break Opportunity After (BA) + * @G_UNICODE_BREAK_BEFORE: Break Opportunity Before (BB) + * @G_UNICODE_BREAK_BEFORE_AND_AFTER: Break Opportunity Before and After (B2) + * @G_UNICODE_BREAK_HYPHEN: Hyphen (HY) + * @G_UNICODE_BREAK_NON_STARTER: Nonstarter (NS) + * @G_UNICODE_BREAK_OPEN_PUNCTUATION: Opening Punctuation (OP) + * @G_UNICODE_BREAK_CLOSE_PUNCTUATION: Closing Punctuation (CL) + * @G_UNICODE_BREAK_QUOTATION: Ambiguous Quotation (QU) + * @G_UNICODE_BREAK_EXCLAMATION: Exclamation/Interrogation (EX) + * @G_UNICODE_BREAK_IDEOGRAPHIC: Ideographic (ID) + * @G_UNICODE_BREAK_NUMERIC: Numeric (NU) + * @G_UNICODE_BREAK_INFIX_SEPARATOR: Infix Separator (Numeric) (IS) + * @G_UNICODE_BREAK_SYMBOL: Symbols Allowing Break After (SY) + * @G_UNICODE_BREAK_ALPHABETIC: Ordinary Alphabetic and Symbol Characters (AL) + * @G_UNICODE_BREAK_PREFIX: Prefix (Numeric) (PR) + * @G_UNICODE_BREAK_POSTFIX: Postfix (Numeric) (PO) + * @G_UNICODE_BREAK_COMPLEX_CONTEXT: Complex Content Dependent (South East Asian) (SA) + * @G_UNICODE_BREAK_AMBIGUOUS: Ambiguous (Alphabetic or Ideographic) (AI) + * @G_UNICODE_BREAK_UNKNOWN: Unknown (XX) + * @G_UNICODE_BREAK_NEXT_LINE: Next Line (NL) + * @G_UNICODE_BREAK_WORD_JOINER: Word Joiner (WJ) + * @G_UNICODE_BREAK_HANGUL_L_JAMO: Hangul L Jamo (JL) + * @G_UNICODE_BREAK_HANGUL_V_JAMO: Hangul V Jamo (JV) + * @G_UNICODE_BREAK_HANGUL_T_JAMO: Hangul T Jamo (JT) + * @G_UNICODE_BREAK_HANGUL_LV_SYLLABLE: Hangul LV Syllable (H2) + * @G_UNICODE_BREAK_HANGUL_LVT_SYLLABLE: Hangul LVT Syllable (H3) + * @G_UNICODE_BREAK_CLOSE_PARANTHESIS: Closing Parenthesis (CP). Since 2.28 + * + * These are the possible line break classifications. + * + * The five Hangul types were added in Unicode 4.1, so, has been + * introduced in GLib 2.10. Note that new types may be added in the future. + * Applications should be ready to handle unknown values. + * They may be regarded as %G_UNICODE_BREAK_UNKNOWN. + * + * See http://www.unicode.org/unicode/reports/tr14/. + */ +typedef enum +{ + G_UNICODE_BREAK_MANDATORY, + G_UNICODE_BREAK_CARRIAGE_RETURN, + G_UNICODE_BREAK_LINE_FEED, + G_UNICODE_BREAK_COMBINING_MARK, + G_UNICODE_BREAK_SURROGATE, + G_UNICODE_BREAK_ZERO_WIDTH_SPACE, + G_UNICODE_BREAK_INSEPARABLE, + G_UNICODE_BREAK_NON_BREAKING_GLUE, + G_UNICODE_BREAK_CONTINGENT, + G_UNICODE_BREAK_SPACE, + G_UNICODE_BREAK_AFTER, + G_UNICODE_BREAK_BEFORE, + G_UNICODE_BREAK_BEFORE_AND_AFTER, + G_UNICODE_BREAK_HYPHEN, + G_UNICODE_BREAK_NON_STARTER, + G_UNICODE_BREAK_OPEN_PUNCTUATION, + G_UNICODE_BREAK_CLOSE_PUNCTUATION, + G_UNICODE_BREAK_QUOTATION, + G_UNICODE_BREAK_EXCLAMATION, + G_UNICODE_BREAK_IDEOGRAPHIC, + G_UNICODE_BREAK_NUMERIC, + G_UNICODE_BREAK_INFIX_SEPARATOR, + G_UNICODE_BREAK_SYMBOL, + G_UNICODE_BREAK_ALPHABETIC, + G_UNICODE_BREAK_PREFIX, + G_UNICODE_BREAK_POSTFIX, + G_UNICODE_BREAK_COMPLEX_CONTEXT, + G_UNICODE_BREAK_AMBIGUOUS, + G_UNICODE_BREAK_UNKNOWN, + G_UNICODE_BREAK_NEXT_LINE, + G_UNICODE_BREAK_WORD_JOINER, + G_UNICODE_BREAK_HANGUL_L_JAMO, + G_UNICODE_BREAK_HANGUL_V_JAMO, + G_UNICODE_BREAK_HANGUL_T_JAMO, + G_UNICODE_BREAK_HANGUL_LV_SYLLABLE, + G_UNICODE_BREAK_HANGUL_LVT_SYLLABLE, + G_UNICODE_BREAK_CLOSE_PARANTHESIS +} GUnicodeBreakType; + +/** + * GUnicodeScript: + * @G_UNICODE_SCRIPT_INVALID_CODE: + * a value never returned from g_unichar_get_script() + * @G_UNICODE_SCRIPT_COMMON: a character used by multiple different scripts + * @G_UNICODE_SCRIPT_INHERITED: a mark glyph that takes its script from the + * i base glyph to which it is attached + * @G_UNICODE_SCRIPT_ARABIC: Arabic + * @G_UNICODE_SCRIPT_ARMENIAN: Armenian + * @G_UNICODE_SCRIPT_BENGALI: Bengali + * @G_UNICODE_SCRIPT_BOPOMOFO: Bopomofo + * @G_UNICODE_SCRIPT_CHEROKEE: Cherokee + * @G_UNICODE_SCRIPT_COPTIC: Coptic + * @G_UNICODE_SCRIPT_CYRILLIC: Cyrillic + * @G_UNICODE_SCRIPT_DESERET: Deseret + * @G_UNICODE_SCRIPT_DEVANAGARI: Devanagari + * @G_UNICODE_SCRIPT_ETHIOPIC: Ethiopic + * @G_UNICODE_SCRIPT_GEORGIAN: Georgian + * @G_UNICODE_SCRIPT_GOTHIC: Gothic + * @G_UNICODE_SCRIPT_GREEK: Greek + * @G_UNICODE_SCRIPT_GUJARATI: Gujarati + * @G_UNICODE_SCRIPT_GURMUKHI: Gurmukhi + * @G_UNICODE_SCRIPT_HAN: Han + * @G_UNICODE_SCRIPT_HANGUL: Hangul + * @G_UNICODE_SCRIPT_HEBREW: Hebrew + * @G_UNICODE_SCRIPT_HIRAGANA: Hiragana + * @G_UNICODE_SCRIPT_KANNADA: Kannada + * @G_UNICODE_SCRIPT_KATAKANA: Katakana + * @G_UNICODE_SCRIPT_KHMER: Khmer + * @G_UNICODE_SCRIPT_LAO: Lao + * @G_UNICODE_SCRIPT_LATIN: Latin + * @G_UNICODE_SCRIPT_MALAYALAM: Malayalam + * @G_UNICODE_SCRIPT_MONGOLIAN: Mongolian + * @G_UNICODE_SCRIPT_MYANMAR: Myanmar + * @G_UNICODE_SCRIPT_OGHAM: Ogham + * @G_UNICODE_SCRIPT_OLD_ITALIC: Old Italic + * @G_UNICODE_SCRIPT_ORIYA: Oriya + * @G_UNICODE_SCRIPT_RUNIC: Runic + * @G_UNICODE_SCRIPT_SINHALA: Sinhala + * @G_UNICODE_SCRIPT_SYRIAC: Syriac + * @G_UNICODE_SCRIPT_TAMIL: Tamil + * @G_UNICODE_SCRIPT_TELUGU: Telugu + * @G_UNICODE_SCRIPT_THAANA: Thaana + * @G_UNICODE_SCRIPT_THAI: Thai + * @G_UNICODE_SCRIPT_TIBETAN: Tibetan + * @G_UNICODE_SCRIPT_CANADIAN_ABORIGINAL: + * Canadian Aboriginal + * @G_UNICODE_SCRIPT_YI: Yi + * @G_UNICODE_SCRIPT_TAGALOG: Tagalog + * @G_UNICODE_SCRIPT_HANUNOO: Hanunoo + * @G_UNICODE_SCRIPT_BUHID: Buhid + * @G_UNICODE_SCRIPT_TAGBANWA: Tagbanwa + * @G_UNICODE_SCRIPT_BRAILLE: Braille + * @G_UNICODE_SCRIPT_CYPRIOT: Cypriot + * @G_UNICODE_SCRIPT_LIMBU: Limbu + * @G_UNICODE_SCRIPT_OSMANYA: Osmanya + * @G_UNICODE_SCRIPT_SHAVIAN: Shavian + * @G_UNICODE_SCRIPT_LINEAR_B: Linear B + * @G_UNICODE_SCRIPT_TAI_LE: Tai Le + * @G_UNICODE_SCRIPT_UGARITIC: Ugaritic + * @G_UNICODE_SCRIPT_NEW_TAI_LUE: + * New Tai Lue + * @G_UNICODE_SCRIPT_BUGINESE: Buginese + * @G_UNICODE_SCRIPT_GLAGOLITIC: Glagolitic + * @G_UNICODE_SCRIPT_TIFINAGH: Tifinagh + * @G_UNICODE_SCRIPT_SYLOTI_NAGRI: + * Syloti Nagri + * @G_UNICODE_SCRIPT_OLD_PERSIAN: + * Old Persian + * @G_UNICODE_SCRIPT_KHAROSHTHI: Kharoshthi + * @G_UNICODE_SCRIPT_UNKNOWN: an unassigned code point + * @G_UNICODE_SCRIPT_BALINESE: Balinese + * @G_UNICODE_SCRIPT_CUNEIFORM: Cuneiform + * @G_UNICODE_SCRIPT_PHOENICIAN: Phoenician + * @G_UNICODE_SCRIPT_PHAGS_PA: Phags-pa + * @G_UNICODE_SCRIPT_NKO: N'Ko + * @G_UNICODE_SCRIPT_KAYAH_LI: Kayah Li. Since 2.16.3 + * @G_UNICODE_SCRIPT_LEPCHA: Lepcha. Since 2.16.3 + * @G_UNICODE_SCRIPT_REJANG: Rejang. Since 2.16.3 + * @G_UNICODE_SCRIPT_SUNDANESE: Sundanese. Since 2.16.3 + * @G_UNICODE_SCRIPT_SAURASHTRA: Saurashtra. Since 2.16.3 + * @G_UNICODE_SCRIPT_CHAM: Cham. Since 2.16.3 + * @G_UNICODE_SCRIPT_OL_CHIKI: Ol Chiki. Since 2.16.3 + * @G_UNICODE_SCRIPT_VAI: Vai. Since 2.16.3 + * @G_UNICODE_SCRIPT_CARIAN: Carian. Since 2.16.3 + * @G_UNICODE_SCRIPT_LYCIAN: Lycian. Since 2.16.3 + * @G_UNICODE_SCRIPT_LYDIAN: Lydian. Since 2.16.3 + * @G_UNICODE_SCRIPT_AVESTAN: Avestan. Since 2.26 + * @G_UNICODE_SCRIPT_BAMUM: Bamum. Since 2.26 + * @G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS: + * Egyptian Hieroglpyhs. Since 2.26 + * @G_UNICODE_SCRIPT_IMPERIAL_ARAMAIC: + * Imperial Aramaic. Since 2.26 + * @G_UNICODE_SCRIPT_INSCRIPTIONAL_PAHLAVI: + * Inscriptional Pahlavi. Since 2.26 + * @G_UNICODE_SCRIPT_INSCRIPTIONAL_PARTHIAN: + * Inscriptional Parthian. Since 2.26 + * @G_UNICODE_SCRIPT_JAVANESE: Javanese. Since 2.26 + * @G_UNICODE_SCRIPT_KAITHI: Kaithi. Since 2.26 + * @G_UNICODE_SCRIPT_LISU: Lisu. Since 2.26 + * @G_UNICODE_SCRIPT_MEETEI_MAYEK: + * Meetei Mayek. Since 2.26 + * @G_UNICODE_SCRIPT_OLD_SOUTH_ARABIAN: + * Old South Arabian. Since 2.26 + * @G_UNICODE_SCRIPT_OLD_TURKIC: Old Turkic. Since 2.28 + * @G_UNICODE_SCRIPT_SAMARITAN: Samaritan. Since 2.26 + * @G_UNICODE_SCRIPT_TAI_THAM: Tai Tham. Since 2.26 + * @G_UNICODE_SCRIPT_TAI_VIET: Tai Viet. Since 2.26 + * @G_UNICODE_SCRIPT_BATAK: Batak. Since 2.28 + * @G_UNICODE_SCRIPT_BRAHMI: Brahmi. Since 2.28 + * @G_UNICODE_SCRIPT_MANDAIC: Mandaic. Since 2.28 + * + * The #GUnicodeScript enumeration identifies different writing + * systems. The values correspond to the names as defined in the + * Unicode standard. The enumeration has been added in GLib 2.14, + * and is interchangeable with #PangoScript. + * + * Note that new types may be added in the future. Applications + * should be ready to handle unknown values. + * See Unicode Standard Annex + * #24: Script names. + */ +typedef enum +{ /* ISO 15924 code */ + G_UNICODE_SCRIPT_INVALID_CODE = -1, + G_UNICODE_SCRIPT_COMMON = 0, /* Zyyy */ + G_UNICODE_SCRIPT_INHERITED, /* Qaai */ + G_UNICODE_SCRIPT_ARABIC, /* Arab */ + G_UNICODE_SCRIPT_ARMENIAN, /* Armn */ + G_UNICODE_SCRIPT_BENGALI, /* Beng */ + G_UNICODE_SCRIPT_BOPOMOFO, /* Bopo */ + G_UNICODE_SCRIPT_CHEROKEE, /* Cher */ + G_UNICODE_SCRIPT_COPTIC, /* Qaac */ + G_UNICODE_SCRIPT_CYRILLIC, /* Cyrl (Cyrs) */ + G_UNICODE_SCRIPT_DESERET, /* Dsrt */ + G_UNICODE_SCRIPT_DEVANAGARI, /* Deva */ + G_UNICODE_SCRIPT_ETHIOPIC, /* Ethi */ + G_UNICODE_SCRIPT_GEORGIAN, /* Geor (Geon, Geoa) */ + G_UNICODE_SCRIPT_GOTHIC, /* Goth */ + G_UNICODE_SCRIPT_GREEK, /* Grek */ + G_UNICODE_SCRIPT_GUJARATI, /* Gujr */ + G_UNICODE_SCRIPT_GURMUKHI, /* Guru */ + G_UNICODE_SCRIPT_HAN, /* Hani */ + G_UNICODE_SCRIPT_HANGUL, /* Hang */ + G_UNICODE_SCRIPT_HEBREW, /* Hebr */ + G_UNICODE_SCRIPT_HIRAGANA, /* Hira */ + G_UNICODE_SCRIPT_KANNADA, /* Knda */ + G_UNICODE_SCRIPT_KATAKANA, /* Kana */ + G_UNICODE_SCRIPT_KHMER, /* Khmr */ + G_UNICODE_SCRIPT_LAO, /* Laoo */ + G_UNICODE_SCRIPT_LATIN, /* Latn (Latf, Latg) */ + G_UNICODE_SCRIPT_MALAYALAM, /* Mlym */ + G_UNICODE_SCRIPT_MONGOLIAN, /* Mong */ + G_UNICODE_SCRIPT_MYANMAR, /* Mymr */ + G_UNICODE_SCRIPT_OGHAM, /* Ogam */ + G_UNICODE_SCRIPT_OLD_ITALIC, /* Ital */ + G_UNICODE_SCRIPT_ORIYA, /* Orya */ + G_UNICODE_SCRIPT_RUNIC, /* Runr */ + G_UNICODE_SCRIPT_SINHALA, /* Sinh */ + G_UNICODE_SCRIPT_SYRIAC, /* Syrc (Syrj, Syrn, Syre) */ + G_UNICODE_SCRIPT_TAMIL, /* Taml */ + G_UNICODE_SCRIPT_TELUGU, /* Telu */ + G_UNICODE_SCRIPT_THAANA, /* Thaa */ + G_UNICODE_SCRIPT_THAI, /* Thai */ + G_UNICODE_SCRIPT_TIBETAN, /* Tibt */ + G_UNICODE_SCRIPT_CANADIAN_ABORIGINAL, /* Cans */ + G_UNICODE_SCRIPT_YI, /* Yiii */ + G_UNICODE_SCRIPT_TAGALOG, /* Tglg */ + G_UNICODE_SCRIPT_HANUNOO, /* Hano */ + G_UNICODE_SCRIPT_BUHID, /* Buhd */ + G_UNICODE_SCRIPT_TAGBANWA, /* Tagb */ + + /* Unicode-4.0 additions */ + G_UNICODE_SCRIPT_BRAILLE, /* Brai */ + G_UNICODE_SCRIPT_CYPRIOT, /* Cprt */ + G_UNICODE_SCRIPT_LIMBU, /* Limb */ + G_UNICODE_SCRIPT_OSMANYA, /* Osma */ + G_UNICODE_SCRIPT_SHAVIAN, /* Shaw */ + G_UNICODE_SCRIPT_LINEAR_B, /* Linb */ + G_UNICODE_SCRIPT_TAI_LE, /* Tale */ + G_UNICODE_SCRIPT_UGARITIC, /* Ugar */ + + /* Unicode-4.1 additions */ + G_UNICODE_SCRIPT_NEW_TAI_LUE, /* Talu */ + G_UNICODE_SCRIPT_BUGINESE, /* Bugi */ + G_UNICODE_SCRIPT_GLAGOLITIC, /* Glag */ + G_UNICODE_SCRIPT_TIFINAGH, /* Tfng */ + G_UNICODE_SCRIPT_SYLOTI_NAGRI, /* Sylo */ + G_UNICODE_SCRIPT_OLD_PERSIAN, /* Xpeo */ + G_UNICODE_SCRIPT_KHAROSHTHI, /* Khar */ + + /* Unicode-5.0 additions */ + G_UNICODE_SCRIPT_UNKNOWN, /* Zzzz */ + G_UNICODE_SCRIPT_BALINESE, /* Bali */ + G_UNICODE_SCRIPT_CUNEIFORM, /* Xsux */ + G_UNICODE_SCRIPT_PHOENICIAN, /* Phnx */ + G_UNICODE_SCRIPT_PHAGS_PA, /* Phag */ + G_UNICODE_SCRIPT_NKO, /* Nkoo */ + + /* Unicode-5.1 additions */ + G_UNICODE_SCRIPT_KAYAH_LI, /* Kali */ + G_UNICODE_SCRIPT_LEPCHA, /* Lepc */ + G_UNICODE_SCRIPT_REJANG, /* Rjng */ + G_UNICODE_SCRIPT_SUNDANESE, /* Sund */ + G_UNICODE_SCRIPT_SAURASHTRA, /* Saur */ + G_UNICODE_SCRIPT_CHAM, /* Cham */ + G_UNICODE_SCRIPT_OL_CHIKI, /* Olck */ + G_UNICODE_SCRIPT_VAI, /* Vaii */ + G_UNICODE_SCRIPT_CARIAN, /* Cari */ + G_UNICODE_SCRIPT_LYCIAN, /* Lyci */ + G_UNICODE_SCRIPT_LYDIAN, /* Lydi */ + + /* Unicode-5.2 additions */ + G_UNICODE_SCRIPT_AVESTAN, /* Avst */ + G_UNICODE_SCRIPT_BAMUM, /* Bamu */ + G_UNICODE_SCRIPT_EGYPTIAN_HIEROGLYPHS, /* Egyp */ + G_UNICODE_SCRIPT_IMPERIAL_ARAMAIC, /* Armi */ + G_UNICODE_SCRIPT_INSCRIPTIONAL_PAHLAVI, /* Phli */ + G_UNICODE_SCRIPT_INSCRIPTIONAL_PARTHIAN, /* Prti */ + G_UNICODE_SCRIPT_JAVANESE, /* Java */ + G_UNICODE_SCRIPT_KAITHI, /* Kthi */ + G_UNICODE_SCRIPT_LISU, /* Lisu */ + G_UNICODE_SCRIPT_MEETEI_MAYEK, /* Mtei */ + G_UNICODE_SCRIPT_OLD_SOUTH_ARABIAN, /* Sarb */ + G_UNICODE_SCRIPT_OLD_TURKIC, /* Orkh */ + G_UNICODE_SCRIPT_SAMARITAN, /* Samr */ + G_UNICODE_SCRIPT_TAI_THAM, /* Lana */ + G_UNICODE_SCRIPT_TAI_VIET, /* Tavt */ + + /* Unicode-6.0 additions */ + G_UNICODE_SCRIPT_BATAK, /* Batk */ + G_UNICODE_SCRIPT_BRAHMI, /* Brah */ + G_UNICODE_SCRIPT_MANDAIC /* Mand */ +} GUnicodeScript; + +guint32 g_unicode_script_to_iso15924 (GUnicodeScript script); +GUnicodeScript g_unicode_script_from_iso15924 (guint32 iso15924); + +/* Returns TRUE if current locale uses UTF-8 charset. If CHARSET is + * not null, sets *CHARSET to the name of the current locale's + * charset. This value is statically allocated, and should be copied + * in case the locale's charset will be changed later using setlocale() + * or in some other way. + */ +gboolean g_get_charset (const char **charset); + +/* These are all analogs of the functions. + */ +gboolean g_unichar_isalnum (gunichar c) G_GNUC_CONST; +gboolean g_unichar_isalpha (gunichar c) G_GNUC_CONST; +gboolean g_unichar_iscntrl (gunichar c) G_GNUC_CONST; +gboolean g_unichar_isdigit (gunichar c) G_GNUC_CONST; +gboolean g_unichar_isgraph (gunichar c) G_GNUC_CONST; +gboolean g_unichar_islower (gunichar c) G_GNUC_CONST; +gboolean g_unichar_isprint (gunichar c) G_GNUC_CONST; +gboolean g_unichar_ispunct (gunichar c) G_GNUC_CONST; +gboolean g_unichar_isspace (gunichar c) G_GNUC_CONST; +gboolean g_unichar_isupper (gunichar c) G_GNUC_CONST; +gboolean g_unichar_isxdigit (gunichar c) G_GNUC_CONST; +gboolean g_unichar_istitle (gunichar c) G_GNUC_CONST; +gboolean g_unichar_isdefined (gunichar c) G_GNUC_CONST; +gboolean g_unichar_iswide (gunichar c) G_GNUC_CONST; +gboolean g_unichar_iswide_cjk(gunichar c) G_GNUC_CONST; +gboolean g_unichar_iszerowidth(gunichar c) G_GNUC_CONST; +gboolean g_unichar_ismark (gunichar c) G_GNUC_CONST; + +/* More functions. These convert between the three cases. + * See the Unicode book to understand title case. */ +gunichar g_unichar_toupper (gunichar c) G_GNUC_CONST; +gunichar g_unichar_tolower (gunichar c) G_GNUC_CONST; +gunichar g_unichar_totitle (gunichar c) G_GNUC_CONST; + +/* If C is a digit (according to `g_unichar_isdigit'), then return its + numeric value. Otherwise return -1. */ +gint g_unichar_digit_value (gunichar c) G_GNUC_CONST; + +gint g_unichar_xdigit_value (gunichar c) G_GNUC_CONST; + +/* Return the Unicode character type of a given character. */ +GUnicodeType g_unichar_type (gunichar c) G_GNUC_CONST; + +/* Return the line break property for a given character */ +GUnicodeBreakType g_unichar_break_type (gunichar c) G_GNUC_CONST; + +/* Returns the combining class for a given character */ +gint g_unichar_combining_class (gunichar uc) G_GNUC_CONST; + +gboolean g_unichar_get_mirror_char (gunichar ch, + gunichar *mirrored_ch); + +GUnicodeScript g_unichar_get_script (gunichar ch) G_GNUC_CONST; + +/* Validate a Unicode character */ +gboolean g_unichar_validate (gunichar ch) G_GNUC_CONST; + +/* Pairwise canonical compose/decompose */ +gboolean g_unichar_compose (gunichar a, + gunichar b, + gunichar *ch); +gboolean g_unichar_decompose (gunichar ch, + gunichar *a, + gunichar *b); + +gsize g_unichar_fully_decompose (gunichar ch, + gboolean compat, + gunichar *result, + gsize result_len); + +/* Compute canonical ordering of a string in-place. This rearranges + decomposed characters in the string according to their combining + classes. See the Unicode manual for more information. */ +void g_unicode_canonical_ordering (gunichar *string, + gsize len); + + +#ifndef G_DISABLE_DEPRECATED +/* Deprecated. Use g_unichar_fully_decompose() */ +gunichar *g_unicode_canonical_decomposition (gunichar ch, + gsize *result_len) G_GNUC_MALLOC; +#endif + +/* Array of skip-bytes-per-initial character. + */ +GLIB_VAR const gchar * const g_utf8_skip; + +/** + * g_utf8_next_char: + * @p: Pointer to the start of a valid UTF-8 character + * + * Skips to the next character in a UTF-8 string. The string must be + * valid; this macro is as fast as possible, and has no error-checking. + * You would use this macro to iterate over a string character by + * character. The macro returns the start of the next UTF-8 character. + * Before using this macro, use g_utf8_validate() to validate strings + * that may contain invalid UTF-8. + */ +#define g_utf8_next_char(p) (char *)((p) + g_utf8_skip[*(const guchar *)(p)]) + +gunichar g_utf8_get_char (const gchar *p) G_GNUC_PURE; +gunichar g_utf8_get_char_validated (const gchar *p, + gssize max_len) G_GNUC_PURE; + +gchar* g_utf8_offset_to_pointer (const gchar *str, + glong offset) G_GNUC_PURE; +glong g_utf8_pointer_to_offset (const gchar *str, + const gchar *pos) G_GNUC_PURE; +gchar* g_utf8_prev_char (const gchar *p) G_GNUC_PURE; +gchar* g_utf8_find_next_char (const gchar *p, + const gchar *end) G_GNUC_PURE; +gchar* g_utf8_find_prev_char (const gchar *str, + const gchar *p) G_GNUC_PURE; + +glong g_utf8_strlen (const gchar *p, + gssize max) G_GNUC_PURE; + +gchar *g_utf8_substring (const gchar *str, + glong start_pos, + glong end_pos) G_GNUC_MALLOC; + +gchar *g_utf8_strncpy (gchar *dest, + const gchar *src, + gsize n); + +/* Find the UTF-8 character corresponding to ch, in string p. These + functions are equivalants to strchr and strrchr */ +gchar* g_utf8_strchr (const gchar *p, + gssize len, + gunichar c); +gchar* g_utf8_strrchr (const gchar *p, + gssize len, + gunichar c); +gchar* g_utf8_strreverse (const gchar *str, + gssize len); + +gunichar2 *g_utf8_to_utf16 (const gchar *str, + glong len, + glong *items_read, + glong *items_written, + GError **error) G_GNUC_MALLOC; +gunichar * g_utf8_to_ucs4 (const gchar *str, + glong len, + glong *items_read, + glong *items_written, + GError **error) G_GNUC_MALLOC; +gunichar * g_utf8_to_ucs4_fast (const gchar *str, + glong len, + glong *items_written) G_GNUC_MALLOC; +gunichar * g_utf16_to_ucs4 (const gunichar2 *str, + glong len, + glong *items_read, + glong *items_written, + GError **error) G_GNUC_MALLOC; +gchar* g_utf16_to_utf8 (const gunichar2 *str, + glong len, + glong *items_read, + glong *items_written, + GError **error) G_GNUC_MALLOC; +gunichar2 *g_ucs4_to_utf16 (const gunichar *str, + glong len, + glong *items_read, + glong *items_written, + GError **error) G_GNUC_MALLOC; +gchar* g_ucs4_to_utf8 (const gunichar *str, + glong len, + glong *items_read, + glong *items_written, + GError **error) G_GNUC_MALLOC; + +gint g_unichar_to_utf8 (gunichar c, + gchar *outbuf); + +gboolean g_utf8_validate (const gchar *str, + gssize max_len, + const gchar **end); + +gchar *g_utf8_strup (const gchar *str, + gssize len) G_GNUC_MALLOC; +gchar *g_utf8_strdown (const gchar *str, + gssize len) G_GNUC_MALLOC; +gchar *g_utf8_casefold (const gchar *str, + gssize len) G_GNUC_MALLOC; + +/** + * GNormalizeMode: + * @G_NORMALIZE_DEFAULT: standardize differences that do not affect the + * text content, such as the above-mentioned accent representation + * @G_NORMALIZE_NFD: another name for %G_NORMALIZE_DEFAULT + * @G_NORMALIZE_DEFAULT_COMPOSE: like %G_NORMALIZE_DEFAULT, but with + * composed forms rather than a maximally decomposed form + * @G_NORMALIZE_NFC: another name for %G_NORMALIZE_DEFAULT_COMPOSE + * @G_NORMALIZE_ALL: beyond %G_NORMALIZE_DEFAULT also standardize the + * "compatibility" characters in Unicode, such as SUPERSCRIPT THREE + * to the standard forms (in this case DIGIT THREE). Formatting + * information may be lost but for most text operations such + * characters should be considered the same + * @G_NORMALIZE_NFKD: another name for %G_NORMALIZE_ALL + * @G_NORMALIZE_ALL_COMPOSE: like %G_NORMALIZE_ALL, but with composed + * forms rather than a maximally decomposed form + * @G_NORMALIZE_NFKC: another name for %G_NORMALIZE_ALL_COMPOSE + * + * Defines how a Unicode string is transformed in a canonical + * form, standardizing such issues as whether a character with + * an accent is represented as a base character and combining + * accent or as a single precomposed character. Unicode strings + * should generally be normalized before comparing them. + */ +typedef enum { + G_NORMALIZE_DEFAULT, + G_NORMALIZE_NFD = G_NORMALIZE_DEFAULT, + G_NORMALIZE_DEFAULT_COMPOSE, + G_NORMALIZE_NFC = G_NORMALIZE_DEFAULT_COMPOSE, + G_NORMALIZE_ALL, + G_NORMALIZE_NFKD = G_NORMALIZE_ALL, + G_NORMALIZE_ALL_COMPOSE, + G_NORMALIZE_NFKC = G_NORMALIZE_ALL_COMPOSE +} GNormalizeMode; + +gchar *g_utf8_normalize (const gchar *str, + gssize len, + GNormalizeMode mode) G_GNUC_MALLOC; + +gint g_utf8_collate (const gchar *str1, + const gchar *str2) G_GNUC_PURE; +gchar *g_utf8_collate_key (const gchar *str, + gssize len) G_GNUC_MALLOC; +gchar *g_utf8_collate_key_for_filename (const gchar *str, + gssize len) G_GNUC_MALLOC; + + +/* private */ + +gchar *_g_utf8_make_valid (const gchar *name); + +G_END_DECLS + +#endif /* __G_UNICODE_H__ */ diff --git a/deps/glib/gutils.c b/deps/glib/gutils.c new file mode 100644 index 0000000..c5b7be5 --- /dev/null +++ b/deps/glib/gutils.c @@ -0,0 +1,3872 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1998 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe for the unix part, FIXME: make the win32 part MT safe as well. + */ + +/** + * SECTION:version + * @Title: Version Information + * @Short_description: Variables and functions to check the GLib version + * + * GLib provides version information, primarily useful in configure + * checks for builds that have a configure script. Applications will + * not typically use the features described here. + */ + +/** + * GLIB_MAJOR_VERSION: + * + * The major version number of the GLib library. + * + * Like #glib_major_version, but from the headers used at + * application compile time, rather than from the library + * linked against at application run time. + */ + +/** + * GLIB_MINOR_VERSION: + * + * The minor version number of the GLib library. + * + * Like #gtk_minor_version, but from the headers used at + * application compile time, rather than from the library + * linked against at application run time. + */ + +/** + * GLIB_MICRO_VERSION: + * + * The micro version number of the GLib library. + * + * Like #gtk_micro_version, but from the headers used at + * application compile time, rather than from the library + * linked against at application run time. + */ + +#include "config.h" + +#ifdef HAVE_UNISTD_H +#include +#endif +#include +#include +#include +#include +#include +#include /* For tolower() */ +#include +#include +#include +#ifdef HAVE_PWD_H +#include +#endif +#include +#ifdef HAVE_SYS_PARAM_H +#include +#endif +#ifdef HAVE_CRT_EXTERNS_H +#include /* for _NSGetEnviron */ +#endif + +/* implement gutils's inline functions + */ +#define G_IMPLEMENT_INLINES 1 +#define __G_UTILS_C__ +#include "gutils.h" + +#include "gfileutils.h" +#include "ghash.h" +#include "gslist.h" +#include "gprintfint.h" +#include "gthread.h" +#include "gthreadprivate.h" +#include "gtestutils.h" +#include "gunicode.h" +#include "gstrfuncs.h" +#include "garray.h" +#include "glibintl.h" + +#ifdef G_PLATFORM_WIN32 +#include "garray.h" +#include "gconvert.h" +#include "gwin32.h" +#endif + + +/** + * SECTION:misc_utils + * @title: Miscellaneous Utility Functions + * @short_description: a selection of portable utility functions + * + * These are portable utility functions. + */ + +#ifdef MAXPATHLEN +#define G_PATH_LENGTH MAXPATHLEN +#elif defined (PATH_MAX) +#define G_PATH_LENGTH PATH_MAX +#elif defined (_PC_PATH_MAX) +#define G_PATH_LENGTH sysconf(_PC_PATH_MAX) +#else +#define G_PATH_LENGTH 2048 +#endif + +#ifdef G_PLATFORM_WIN32 +# define STRICT /* Strict typing, please */ +# include +# undef STRICT +# ifndef GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS +# define GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT 2 +# define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 4 +# endif +# include /* For UNLEN */ +#endif /* G_PLATFORM_WIN32 */ + +#ifdef G_OS_WIN32 +# include +# include + /* older SDK (e.g. msvc 5.0) does not have these*/ +# ifndef CSIDL_MYMUSIC +# define CSIDL_MYMUSIC 13 +# endif +# ifndef CSIDL_MYVIDEO +# define CSIDL_MYVIDEO 14 +# endif +# ifndef CSIDL_INTERNET_CACHE +# define CSIDL_INTERNET_CACHE 32 +# endif +# ifndef CSIDL_COMMON_APPDATA +# define CSIDL_COMMON_APPDATA 35 +# endif +# ifndef CSIDL_MYPICTURES +# define CSIDL_MYPICTURES 0x27 +# endif +# ifndef CSIDL_COMMON_DOCUMENTS +# define CSIDL_COMMON_DOCUMENTS 46 +# endif +# ifndef CSIDL_PROFILE +# define CSIDL_PROFILE 40 +# endif +# include +#endif + +#ifdef HAVE_CARBON +#include +#endif + +#ifdef HAVE_CODESET +#include +#endif + +const guint glib_major_version = GLIB_MAJOR_VERSION; +const guint glib_minor_version = GLIB_MINOR_VERSION; +const guint glib_micro_version = GLIB_MICRO_VERSION; +const guint glib_interface_age = GLIB_INTERFACE_AGE; +const guint glib_binary_age = GLIB_BINARY_AGE; + +#ifdef G_PLATFORM_WIN32 + +static HMODULE glib_dll = NULL; + +#ifdef DLL_EXPORT + +BOOL WINAPI +DllMain (HINSTANCE hinstDLL, + DWORD fdwReason, + LPVOID lpvReserved) +{ + if (fdwReason == DLL_PROCESS_ATTACH) + glib_dll = hinstDLL; + + return TRUE; +} + +#endif + +gchar * +_glib_get_dll_directory (void) +{ + gchar *retval; + gchar *p; + wchar_t wc_fn[MAX_PATH]; + +#ifdef DLL_EXPORT + if (glib_dll == NULL) + return NULL; +#endif + + /* This code is different from that in + * g_win32_get_package_installation_directory_of_module() in that + * here we return the actual folder where the GLib DLL is. We don't + * do the check for it being in a "bin" or "lib" subfolder and then + * returning the parent of that. + * + * In a statically built GLib, glib_dll will be NULL and we will + * thus look up the application's .exe file's location. + */ + if (!GetModuleFileNameW (glib_dll, wc_fn, MAX_PATH)) + return NULL; + + retval = g_utf16_to_utf8 (wc_fn, -1, NULL, NULL, NULL); + + p = strrchr (retval, G_DIR_SEPARATOR); + if (p == NULL) + { + /* Wtf? */ + return NULL; + } + *p = '\0'; + + return retval; +} + +#endif + +/** + * glib_check_version: + * @required_major: the required major version. + * @required_minor: the required minor version. + * @required_micro: the required micro version. + * + * Checks that the GLib library in use is compatible with the + * given version. Generally you would pass in the constants + * #GLIB_MAJOR_VERSION, #GLIB_MINOR_VERSION, #GLIB_MICRO_VERSION + * as the three arguments to this function; that produces + * a check that the library in use is compatible with + * the version of GLib the application or module was compiled + * against. + * + * Compatibility is defined by two things: first the version + * of the running library is newer than the version + * @required_major.required_minor.@required_micro. Second + * the running library must be binary compatible with the + * version @required_major.required_minor.@required_micro + * (same major version.) + * + * Return value: %NULL if the GLib library is compatible with the + * given version, or a string describing the version mismatch. + * The returned string is owned by GLib and must not be modified + * or freed. + * + * Since: 2.6 + **/ +const gchar * +glib_check_version (guint required_major, + guint required_minor, + guint required_micro) +{ + gint glib_effective_micro = 100 * GLIB_MINOR_VERSION + GLIB_MICRO_VERSION; + gint required_effective_micro = 100 * required_minor + required_micro; + + if (required_major > GLIB_MAJOR_VERSION) + return "GLib version too old (major mismatch)"; + if (required_major < GLIB_MAJOR_VERSION) + return "GLib version too new (major mismatch)"; + if (required_effective_micro < glib_effective_micro - GLIB_BINARY_AGE) + return "GLib version too new (micro mismatch)"; + if (required_effective_micro > glib_effective_micro) + return "GLib version too old (micro mismatch)"; + return NULL; +} + +#if !defined (HAVE_MEMMOVE) && !defined (HAVE_WORKING_BCOPY) +/** + * g_memmove: + * @dest: the destination address to copy the bytes to. + * @src: the source address to copy the bytes from. + * @len: the number of bytes to copy. + * + * Copies a block of memory @len bytes long, from @src to @dest. + * The source and destination areas may overlap. + * + * In order to use this function, you must include + * string.h yourself, because this macro will + * typically simply resolve to memmove() and GLib does not include + * string.h for you. + */ +void +g_memmove (gpointer dest, + gconstpointer src, + gulong len) +{ + gchar* destptr = dest; + const gchar* srcptr = src; + if (src + len < dest || dest + len < src) + { + bcopy (src, dest, len); + return; + } + else if (dest <= src) + { + while (len--) + *(destptr++) = *(srcptr++); + } + else + { + destptr += len; + srcptr += len; + while (len--) + *(--destptr) = *(--srcptr); + } +} +#endif /* !HAVE_MEMMOVE && !HAVE_WORKING_BCOPY */ + +#ifdef G_OS_WIN32 +#undef g_atexit +#endif + +/** + * g_atexit: + * @func: (scope async): the function to call on normal program termination. + * + * Specifies a function to be called at normal program termination. + * + * Since GLib 2.8.2, on Windows g_atexit() actually is a preprocessor + * macro that maps to a call to the atexit() function in the C + * library. This means that in case the code that calls g_atexit(), + * i.e. atexit(), is in a DLL, the function will be called when the + * DLL is detached from the program. This typically makes more sense + * than that the function is called when the GLib DLL is detached, + * which happened earlier when g_atexit() was a function in the GLib + * DLL. + * + * The behaviour of atexit() in the context of dynamically loaded + * modules is not formally specified and varies wildly. + * + * On POSIX systems, calling g_atexit() (or atexit()) in a dynamically + * loaded module which is unloaded before the program terminates might + * well cause a crash at program exit. + * + * Some POSIX systems implement atexit() like Windows, and have each + * dynamically loaded module maintain an own atexit chain that is + * called when the module is unloaded. + * + * On other POSIX systems, before a dynamically loaded module is + * unloaded, the registered atexit functions (if any) residing in that + * module are called, regardless where the code that registered them + * resided. This is presumably the most robust approach. + * + * As can be seen from the above, for portability it's best to avoid + * calling g_atexit() (or atexit()) except in the main executable of a + * program. + */ +void +g_atexit (GVoidFunc func) +{ + gint result; + const gchar *error = NULL; + + /* keep this in sync with glib.h */ + +#ifdef G_NATIVE_ATEXIT + result = ATEXIT (func); + if (result) + error = g_strerror (errno); +#elif defined (HAVE_ATEXIT) +# ifdef NeXT /* @#%@! NeXTStep */ + result = !atexit ((void (*)(void)) func); + if (result) + error = g_strerror (errno); +# else + result = atexit ((void (*)(void)) func); + if (result) + error = g_strerror (errno); +# endif /* NeXT */ +#elif defined (HAVE_ON_EXIT) + result = on_exit ((void (*)(int, void *)) func, NULL); + if (result) + error = g_strerror (errno); +#else + result = 0; + error = "no implementation"; +#endif /* G_NATIVE_ATEXIT */ + + if (error) + g_error ("Could not register atexit() function: %s", error); +} + +/* Based on execvp() from GNU Libc. + * Some of this code is cut-and-pasted into gspawn.c + */ + +static gchar* +my_strchrnul (const gchar *str, + gchar c) +{ + gchar *p = (gchar*)str; + while (*p && (*p != c)) + ++p; + + return p; +} + +#ifdef G_OS_WIN32 + +static gchar *inner_find_program_in_path (const gchar *program); + +gchar* +g_find_program_in_path (const gchar *program) +{ + const gchar *last_dot = strrchr (program, '.'); + + if (last_dot == NULL || + strchr (last_dot, '\\') != NULL || + strchr (last_dot, '/') != NULL) + { + const gint program_length = strlen (program); + gchar *pathext = g_build_path (";", + ".exe;.cmd;.bat;.com", + g_getenv ("PATHEXT"), + NULL); + gchar *p; + gchar *decorated_program; + gchar *retval; + + p = pathext; + do + { + gchar *q = my_strchrnul (p, ';'); + + decorated_program = g_malloc (program_length + (q-p) + 1); + memcpy (decorated_program, program, program_length); + memcpy (decorated_program+program_length, p, q-p); + decorated_program [program_length + (q-p)] = '\0'; + + retval = inner_find_program_in_path (decorated_program); + g_free (decorated_program); + + if (retval != NULL) + { + g_free (pathext); + return retval; + } + p = q; + } while (*p++ != '\0'); + g_free (pathext); + return NULL; + } + else + return inner_find_program_in_path (program); +} + +#endif + +/** + * g_find_program_in_path: + * @program: a program name in the GLib file name encoding + * + * Locates the first executable named @program in the user's path, in the + * same way that execvp() would locate it. Returns an allocated string + * with the absolute path name, or %NULL if the program is not found in + * the path. If @program is already an absolute path, returns a copy of + * @program if @program exists and is executable, and %NULL otherwise. + * + * On Windows, if @program does not have a file type suffix, tries + * with the suffixes .exe, .cmd, .bat and .com, and the suffixes in + * the PATHEXT environment variable. + * + * On Windows, it looks for the file in the same way as CreateProcess() + * would. This means first in the directory where the executing + * program was loaded from, then in the current directory, then in the + * Windows 32-bit system directory, then in the Windows directory, and + * finally in the directories in the PATH environment + * variable. If the program is found, the return value contains the + * full name including the type suffix. + * + * Return value: absolute path, or %NULL + **/ +#ifdef G_OS_WIN32 +static gchar * +inner_find_program_in_path (const gchar *program) +#else +gchar* +g_find_program_in_path (const gchar *program) +#endif +{ + const gchar *path, *p; + gchar *name, *freeme; +#ifdef G_OS_WIN32 + const gchar *path_copy; + gchar *filename = NULL, *appdir = NULL; + gchar *sysdir = NULL, *windir = NULL; + int n; + wchar_t wfilename[MAXPATHLEN], wsysdir[MAXPATHLEN], + wwindir[MAXPATHLEN]; +#endif + gsize len; + gsize pathlen; + + g_return_val_if_fail (program != NULL, NULL); + + /* If it is an absolute path, or a relative path including subdirectories, + * don't look in PATH. + */ + if (g_path_is_absolute (program) + || strchr (program, G_DIR_SEPARATOR) != NULL +#ifdef G_OS_WIN32 + || strchr (program, '/') != NULL +#endif + ) + { + if (g_file_test (program, G_FILE_TEST_IS_EXECUTABLE) && + !g_file_test (program, G_FILE_TEST_IS_DIR)) + return g_strdup (program); + else + return NULL; + } + + path = g_getenv ("PATH"); +#if defined(G_OS_UNIX) || defined(G_OS_BEOS) + if (path == NULL) + { + /* There is no `PATH' in the environment. The default + * search path in GNU libc is the current directory followed by + * the path `confstr' returns for `_CS_PATH'. + */ + + /* In GLib we put . last, for security, and don't use the + * unportable confstr(); UNIX98 does not actually specify + * what to search if PATH is unset. POSIX may, dunno. + */ + + path = "/bin:/usr/bin:."; + } +#else + n = GetModuleFileNameW (NULL, wfilename, MAXPATHLEN); + if (n > 0 && n < MAXPATHLEN) + filename = g_utf16_to_utf8 (wfilename, -1, NULL, NULL, NULL); + + n = GetSystemDirectoryW (wsysdir, MAXPATHLEN); + if (n > 0 && n < MAXPATHLEN) + sysdir = g_utf16_to_utf8 (wsysdir, -1, NULL, NULL, NULL); + + n = GetWindowsDirectoryW (wwindir, MAXPATHLEN); + if (n > 0 && n < MAXPATHLEN) + windir = g_utf16_to_utf8 (wwindir, -1, NULL, NULL, NULL); + + if (filename) + { + appdir = g_path_get_dirname (filename); + g_free (filename); + } + + path = g_strdup (path); + + if (windir) + { + const gchar *tem = path; + path = g_strconcat (windir, ";", path, NULL); + g_free ((gchar *) tem); + g_free (windir); + } + + if (sysdir) + { + const gchar *tem = path; + path = g_strconcat (sysdir, ";", path, NULL); + g_free ((gchar *) tem); + g_free (sysdir); + } + + { + const gchar *tem = path; + path = g_strconcat (".;", path, NULL); + g_free ((gchar *) tem); + } + + if (appdir) + { + const gchar *tem = path; + path = g_strconcat (appdir, ";", path, NULL); + g_free ((gchar *) tem); + g_free (appdir); + } + + path_copy = path; +#endif + + len = strlen (program) + 1; + pathlen = strlen (path); + freeme = name = g_malloc (pathlen + len + 1); + + /* Copy the file name at the top, including '\0' */ + memcpy (name + pathlen + 1, program, len); + name = name + pathlen; + /* And add the slash before the filename */ + *name = G_DIR_SEPARATOR; + + p = path; + do + { + char *startp; + + path = p; + p = my_strchrnul (path, G_SEARCHPATH_SEPARATOR); + + if (p == path) + /* Two adjacent colons, or a colon at the beginning or the end + * of `PATH' means to search the current directory. + */ + startp = name + 1; + else + startp = memcpy (name - (p - path), path, p - path); + + if (g_file_test (startp, G_FILE_TEST_IS_EXECUTABLE) && + !g_file_test (startp, G_FILE_TEST_IS_DIR)) + { + gchar *ret; + ret = g_strdup (startp); + g_free (freeme); +#ifdef G_OS_WIN32 + g_free ((gchar *) path_copy); +#endif + return ret; + } + } + while (*p++ != '\0'); + + g_free (freeme); +#ifdef G_OS_WIN32 + g_free ((gchar *) path_copy); +#endif + + return NULL; +} + +static gboolean +debug_key_matches (const gchar *key, + const gchar *token, + guint length) +{ + for (; length; length--, key++, token++) + { + char k = (*key == '_') ? '-' : tolower (*key ); + char t = (*token == '_') ? '-' : tolower (*token); + + if (k != t) + return FALSE; + } + + return *key == '\0'; +} + +/** + * g_parse_debug_string: + * @string: (allow-none): a list of debug options separated by colons, spaces, or + * commas, or %NULL. + * @keys: (array length=nkeys): pointer to an array of #GDebugKey which associate + * strings with bit flags. + * @nkeys: the number of #GDebugKeys in the array. + * + * Parses a string containing debugging options + * into a %guint containing bit flags. This is used + * within GDK and GTK+ to parse the debug options passed on the + * command line or through environment variables. + * + * If @string is equal to "all", all flags are set. If @string + * is equal to "help", all the available keys in @keys are printed + * out to standard error. + * + * Returns: the combined set of bit flags. + */ +guint +g_parse_debug_string (const gchar *string, + const GDebugKey *keys, + guint nkeys) +{ + guint i; + guint result = 0; + + if (string == NULL) + return 0; + + /* this function is used by gmem.c/gslice.c initialization code, + * so introducing malloc dependencies here would require adaptions + * of those code portions. + */ + + if (!g_ascii_strcasecmp (string, "all")) + { + for (i=0; i base)) + base = q; + } +#endif + + if (base) + return base + 1; + +#ifdef G_OS_WIN32 + if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + return (gchar*) file_name + 2; +#endif /* G_OS_WIN32 */ + + return (gchar*) file_name; +} + +/** + * g_path_get_basename: + * @file_name: the name of the file. + * + * Gets the last component of the filename. If @file_name ends with a + * directory separator it gets the component before the last slash. If + * @file_name consists only of directory separators (and on Windows, + * possibly a drive letter), a single separator is returned. If + * @file_name is empty, it gets ".". + * + * Return value: a newly allocated string containing the last component of + * the filename. + */ +gchar* +g_path_get_basename (const gchar *file_name) +{ + register gssize base; + register gssize last_nonslash; + gsize len; + gchar *retval; + + g_return_val_if_fail (file_name != NULL, NULL); + + if (file_name[0] == '\0') + /* empty string */ + return g_strdup ("."); + + last_nonslash = strlen (file_name) - 1; + + while (last_nonslash >= 0 && G_IS_DIR_SEPARATOR (file_name [last_nonslash])) + last_nonslash--; + + if (last_nonslash == -1) + /* string only containing slashes */ + return g_strdup (G_DIR_SEPARATOR_S); + +#ifdef G_OS_WIN32 + if (last_nonslash == 1 && g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + /* string only containing slashes and a drive */ + return g_strdup (G_DIR_SEPARATOR_S); +#endif /* G_OS_WIN32 */ + + base = last_nonslash; + + while (base >=0 && !G_IS_DIR_SEPARATOR (file_name [base])) + base--; + +#ifdef G_OS_WIN32 + if (base == -1 && g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + base = 1; +#endif /* G_OS_WIN32 */ + + len = last_nonslash - base; + retval = g_malloc (len + 1); + memcpy (retval, file_name + base + 1, len); + retval [len] = '\0'; + return retval; +} + +/** + * g_path_is_absolute: + * @file_name: a file name. + * + * Returns %TRUE if the given @file_name is an absolute file name. + * Note that this is a somewhat vague concept on Windows. + * + * On POSIX systems, an absolute file name is well-defined. It always + * starts from the single root directory. For example "/usr/local". + * + * On Windows, the concepts of current drive and drive-specific + * current directory introduce vagueness. This function interprets as + * an absolute file name one that either begins with a directory + * separator such as "\Users\tml" or begins with the root on a drive, + * for example "C:\Windows". The first case also includes UNC paths + * such as "\\myserver\docs\foo". In all cases, either slashes or + * backslashes are accepted. + * + * Note that a file name relative to the current drive root does not + * truly specify a file uniquely over time and across processes, as + * the current drive is a per-process value and can be changed. + * + * File names relative the current directory on some specific drive, + * such as "D:foo/bar", are not interpreted as absolute by this + * function, but they obviously are not relative to the normal current + * directory as returned by getcwd() or g_get_current_dir() + * either. Such paths should be avoided, or need to be handled using + * Windows-specific code. + * + * Returns: %TRUE if @file_name is absolute. + */ +gboolean +g_path_is_absolute (const gchar *file_name) +{ + g_return_val_if_fail (file_name != NULL, FALSE); + + if (G_IS_DIR_SEPARATOR (file_name[0])) + return TRUE; + +#ifdef G_OS_WIN32 + /* Recognize drive letter on native Windows */ + if (g_ascii_isalpha (file_name[0]) && + file_name[1] == ':' && G_IS_DIR_SEPARATOR (file_name[2])) + return TRUE; +#endif /* G_OS_WIN32 */ + + return FALSE; +} + +/** + * g_path_skip_root: + * @file_name: a file name. + * + * Returns a pointer into @file_name after the root component, i.e. after + * the "/" in UNIX or "C:\" under Windows. If @file_name is not an absolute + * path it returns %NULL. + * + * Returns: a pointer into @file_name after the root component. + */ +const gchar * +g_path_skip_root (const gchar *file_name) +{ + g_return_val_if_fail (file_name != NULL, NULL); + +#ifdef G_PLATFORM_WIN32 + /* Skip \\server\share or //server/share */ + if (G_IS_DIR_SEPARATOR (file_name[0]) && + G_IS_DIR_SEPARATOR (file_name[1]) && + file_name[2] && + !G_IS_DIR_SEPARATOR (file_name[2])) + { + gchar *p; + + p = strchr (file_name + 2, G_DIR_SEPARATOR); +#ifdef G_OS_WIN32 + { + gchar *q = strchr (file_name + 2, '/'); + if (p == NULL || (q != NULL && q < p)) + p = q; + } +#endif + if (p && + p > file_name + 2 && + p[1]) + { + file_name = p + 1; + + while (file_name[0] && !G_IS_DIR_SEPARATOR (file_name[0])) + file_name++; + + /* Possibly skip a backslash after the share name */ + if (G_IS_DIR_SEPARATOR (file_name[0])) + file_name++; + + return (gchar *)file_name; + } + } +#endif + + /* Skip initial slashes */ + if (G_IS_DIR_SEPARATOR (file_name[0])) + { + while (G_IS_DIR_SEPARATOR (file_name[0])) + file_name++; + return (gchar *)file_name; + } + +#ifdef G_OS_WIN32 + /* Skip X:\ */ + if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':' && G_IS_DIR_SEPARATOR (file_name[2])) + return (gchar *)file_name + 3; +#endif + + return NULL; +} + +/** + * g_bit_nth_lsf: + * @mask: a #gulong containing flags + * @nth_bit: the index of the bit to start the search from + * + * Find the position of the first bit set in @mask, searching + * from (but not including) @nth_bit upwards. Bits are numbered + * from 0 (least significant) to sizeof(#gulong) * 8 - 1 (31 or 63, + * usually). To start searching from the 0th bit, set @nth_bit to -1. + * + * Returns: the index of the first bit set which is higher than @nth_bit + */ + +/** + * g_bit_nth_msf: + * @mask: a #gulong containing flags + * @nth_bit: the index of the bit to start the search from + * + * Find the position of the first bit set in @mask, searching + * from (but not including) @nth_bit downwards. Bits are numbered + * from 0 (least significant) to sizeof(#gulong) * 8 - 1 (31 or 63, + * usually). To start searching from the last bit, set @nth_bit to + * -1 or GLIB_SIZEOF_LONG * 8. + * + * Returns: the index of the first bit set which is lower than @nth_bit + */ + +/** + * g_bit_storage: + * @number: a #guint + * + * Gets the number of bits used to hold @number, + * e.g. if @number is 4, 3 bits are needed. + * + * Returns: the number of bits used to hold @number + */ + +/** + * g_dirname: + * @file_name: the name of the file + * + * Gets the directory components of a file name. + * If the file name has no directory components "." is returned. + * The returned string should be freed when no longer needed. + * + * Returns: the directory components of the file + * + * Deprecated: use g_path_get_dirname() instead + */ + +/** + * g_path_get_dirname: + * @file_name: the name of the file. + * + * Gets the directory components of a file name. If the file name has no + * directory components "." is returned. The returned string should be + * freed when no longer needed. + * + * Returns: the directory components of the file. + */ +gchar* +g_path_get_dirname (const gchar *file_name) +{ + register gchar *base; + register gsize len; + + g_return_val_if_fail (file_name != NULL, NULL); + + base = strrchr (file_name, G_DIR_SEPARATOR); +#ifdef G_OS_WIN32 + { + gchar *q = strrchr (file_name, '/'); + if (base == NULL || (q != NULL && q > base)) + base = q; + } +#endif + if (!base) + { +#ifdef G_OS_WIN32 + if (g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + { + gchar drive_colon_dot[4]; + + drive_colon_dot[0] = file_name[0]; + drive_colon_dot[1] = ':'; + drive_colon_dot[2] = '.'; + drive_colon_dot[3] = '\0'; + + return g_strdup (drive_colon_dot); + } +#endif + return g_strdup ("."); + } + + while (base > file_name && G_IS_DIR_SEPARATOR (*base)) + base--; + +#ifdef G_OS_WIN32 + /* base points to the char before the last slash. + * + * In case file_name is the root of a drive (X:\) or a child of the + * root of a drive (X:\foo), include the slash. + * + * In case file_name is the root share of an UNC path + * (\\server\share), add a slash, returning \\server\share\ . + * + * In case file_name is a direct child of a share in an UNC path + * (\\server\share\foo), include the slash after the share name, + * returning \\server\share\ . + */ + if (base == file_name + 1 && g_ascii_isalpha (file_name[0]) && file_name[1] == ':') + base++; + else if (G_IS_DIR_SEPARATOR (file_name[0]) && + G_IS_DIR_SEPARATOR (file_name[1]) && + file_name[2] && + !G_IS_DIR_SEPARATOR (file_name[2]) && + base >= file_name + 2) + { + const gchar *p = file_name + 2; + while (*p && !G_IS_DIR_SEPARATOR (*p)) + p++; + if (p == base + 1) + { + len = (guint) strlen (file_name) + 1; + base = g_new (gchar, len + 1); + strcpy (base, file_name); + base[len-1] = G_DIR_SEPARATOR; + base[len] = 0; + return base; + } + if (G_IS_DIR_SEPARATOR (*p)) + { + p++; + while (*p && !G_IS_DIR_SEPARATOR (*p)) + p++; + if (p == base + 1) + base++; + } + } +#endif + + len = (guint) 1 + base - file_name; + + base = g_new (gchar, len + 1); + g_memmove (base, file_name, len); + base[len] = 0; + + return base; +} + +/** + * g_get_current_dir: + * + * Gets the current directory. + * The returned string should be freed when no longer needed. The encoding + * of the returned string is system defined. On Windows, it is always UTF-8. + * + * Returns: the current directory. + */ +gchar* +g_get_current_dir (void) +{ +#ifdef G_OS_WIN32 + + gchar *dir = NULL; + wchar_t dummy[2], *wdir; + int len; + + len = GetCurrentDirectoryW (2, dummy); + wdir = g_new (wchar_t, len); + + if (GetCurrentDirectoryW (len, wdir) == len - 1) + dir = g_utf16_to_utf8 (wdir, -1, NULL, NULL, NULL); + + g_free (wdir); + + if (dir == NULL) + dir = g_strdup ("\\"); + + return dir; + +#else + + gchar *buffer = NULL; + gchar *dir = NULL; + static gulong max_len = 0; + + if (max_len == 0) + max_len = (G_PATH_LENGTH == -1) ? 2048 : G_PATH_LENGTH; + + /* We don't use getcwd(3) on SUNOS, because, it does a popen("pwd") + * and, if that wasn't bad enough, hangs in doing so. + */ +#if (defined (sun) && !defined (__SVR4)) || !defined(HAVE_GETCWD) + buffer = g_new (gchar, max_len + 1); + *buffer = 0; + dir = getwd (buffer); +#else /* !sun || !HAVE_GETCWD */ + while (max_len < G_MAXULONG / 2) + { + g_free (buffer); + buffer = g_new (gchar, max_len + 1); + *buffer = 0; + dir = getcwd (buffer, max_len); + + if (dir || errno != ERANGE) + break; + + max_len *= 2; + } +#endif /* !sun || !HAVE_GETCWD */ + + if (!dir || !*buffer) + { + /* hm, should we g_error() out here? + * this can happen if e.g. "./" has mode \0000 + */ + buffer[0] = G_DIR_SEPARATOR; + buffer[1] = 0; + } + + dir = g_strdup (buffer); + g_free (buffer); + + return dir; +#endif /* !Win32 */ +} + +/** + * g_getenv: + * @variable: the environment variable to get, in the GLib file name encoding. + * + * Returns the value of an environment variable. The name and value + * are in the GLib file name encoding. On UNIX, this means the actual + * bytes which might or might not be in some consistent character set + * and encoding. On Windows, it is in UTF-8. On Windows, in case the + * environment variable's value contains references to other + * environment variables, they are expanded. + * + * Return value: the value of the environment variable, or %NULL if + * the environment variable is not found. The returned string may be + * overwritten by the next call to g_getenv(), g_setenv() or + * g_unsetenv(). + **/ +const gchar * +g_getenv (const gchar *variable) +{ +#ifndef G_OS_WIN32 + + g_return_val_if_fail (variable != NULL, NULL); + + return getenv (variable); + +#else /* G_OS_WIN32 */ + + GQuark quark; + gchar *value; + wchar_t dummy[2], *wname, *wvalue; + int len; + + g_return_val_if_fail (variable != NULL, NULL); + g_return_val_if_fail (g_utf8_validate (variable, -1, NULL), NULL); + + /* On Windows NT, it is relatively typical that environment + * variables contain references to other environment variables. If + * so, use ExpandEnvironmentStrings(). (In an ideal world, such + * environment variables would be stored in the Registry as + * REG_EXPAND_SZ type values, and would then get automatically + * expanded before a program sees them. But there is broken software + * that stores environment variables as REG_SZ values even if they + * contain references to other environment variables.) + */ + + wname = g_utf8_to_utf16 (variable, -1, NULL, NULL, NULL); + + len = GetEnvironmentVariableW (wname, dummy, 2); + + if (len == 0) + { + g_free (wname); + return NULL; + } + else if (len == 1) + len = 2; + + wvalue = g_new (wchar_t, len); + + if (GetEnvironmentVariableW (wname, wvalue, len) != len - 1) + { + g_free (wname); + g_free (wvalue); + return NULL; + } + + if (wcschr (wvalue, L'%') != NULL) + { + wchar_t *tem = wvalue; + + len = ExpandEnvironmentStringsW (wvalue, dummy, 2); + + if (len > 0) + { + wvalue = g_new (wchar_t, len); + + if (ExpandEnvironmentStringsW (tem, wvalue, len) != len) + { + g_free (wvalue); + wvalue = tem; + } + else + g_free (tem); + } + } + + value = g_utf16_to_utf8 (wvalue, -1, NULL, NULL, NULL); + + g_free (wname); + g_free (wvalue); + + quark = g_quark_from_string (value); + g_free (value); + + return g_quark_to_string (quark); + +#endif /* G_OS_WIN32 */ +} + +/* _g_getenv_nomalloc + * this function does a getenv() without doing any kind of allocation + * through glib. it's suitable for chars <= 127 only (both, for the + * variable name and the contents) and for contents < 1024 chars in + * length. also, it aliases "" to a NULL return value. + **/ +const gchar* +_g_getenv_nomalloc (const gchar *variable, + gchar buffer[1024]) +{ + const gchar *retval = getenv (variable); + if (retval && retval[0]) + { + gint l = strlen (retval); + if (l < 1024) + { + strncpy (buffer, retval, l); + buffer[l] = 0; + return buffer; + } + } + return NULL; +} + +/** + * g_setenv: + * @variable: the environment variable to set, must not contain '='. + * @value: the value for to set the variable to. + * @overwrite: whether to change the variable if it already exists. + * + * Sets an environment variable. Both the variable's name and value + * should be in the GLib file name encoding. On UNIX, this means that + * they can be any sequence of bytes. On Windows, they should be in + * UTF-8. + * + * Note that on some systems, when variables are overwritten, the memory + * used for the previous variables and its value isn't reclaimed. + * + * Returns: %FALSE if the environment variable couldn't be set. + * + * Since: 2.4 + */ +gboolean +g_setenv (const gchar *variable, + const gchar *value, + gboolean overwrite) +{ +#ifndef G_OS_WIN32 + + gint result; +#ifndef HAVE_SETENV + gchar *string; +#endif + + g_return_val_if_fail (variable != NULL, FALSE); + g_return_val_if_fail (strchr (variable, '=') == NULL, FALSE); + +#ifdef HAVE_SETENV + result = setenv (variable, value, overwrite); +#else + if (!overwrite && getenv (variable) != NULL) + return TRUE; + + /* This results in a leak when you overwrite existing + * settings. It would be fairly easy to fix this by keeping + * our own parallel array or hash table. + */ + string = g_strconcat (variable, "=", value, NULL); + result = putenv (string); +#endif + return result == 0; + +#else /* G_OS_WIN32 */ + + gboolean retval; + wchar_t *wname, *wvalue, *wassignment; + gchar *tem; + + g_return_val_if_fail (variable != NULL, FALSE); + g_return_val_if_fail (strchr (variable, '=') == NULL, FALSE); + g_return_val_if_fail (g_utf8_validate (variable, -1, NULL), FALSE); + g_return_val_if_fail (g_utf8_validate (value, -1, NULL), FALSE); + + if (!overwrite && g_getenv (variable) != NULL) + return TRUE; + + /* We want to (if possible) set both the environment variable copy + * kept by the C runtime and the one kept by the system. + * + * We can't use only the C runtime's putenv or _wputenv() as that + * won't work for arbitrary Unicode strings in a "non-Unicode" app + * (with main() and not wmain()). In a "main()" app the C runtime + * initializes the C runtime's environment table by converting the + * real (wide char) environment variables to system codepage, thus + * breaking those that aren't representable in the system codepage. + * + * As the C runtime's putenv() will also set the system copy, we do + * the putenv() first, then call SetEnvironmentValueW ourselves. + */ + + wname = g_utf8_to_utf16 (variable, -1, NULL, NULL, NULL); + wvalue = g_utf8_to_utf16 (value, -1, NULL, NULL, NULL); + tem = g_strconcat (variable, "=", value, NULL); + wassignment = g_utf8_to_utf16 (tem, -1, NULL, NULL, NULL); + + g_free (tem); + _wputenv (wassignment); + g_free (wassignment); + + retval = (SetEnvironmentVariableW (wname, wvalue) != 0); + + g_free (wname); + g_free (wvalue); + + return retval; + +#endif /* G_OS_WIN32 */ +} + +#ifdef HAVE__NSGETENVIRON +#define environ (*_NSGetEnviron()) +#elif !defined(G_OS_WIN32) + +/* According to the Single Unix Specification, environ is not in + * any system header, although unistd.h often declares it. + */ +extern char **environ; +#endif + +/** + * g_unsetenv: + * @variable: the environment variable to remove, must not contain '='. + * + * Removes an environment variable from the environment. + * + * Note that on some systems, when variables are overwritten, the memory + * used for the previous variables and its value isn't reclaimed. + * Furthermore, this function can't be guaranteed to operate in a + * threadsafe way. + * + * Since: 2.4 + **/ +void +g_unsetenv (const gchar *variable) +{ +#ifndef G_OS_WIN32 + +#ifdef HAVE_UNSETENV + g_return_if_fail (variable != NULL); + g_return_if_fail (strchr (variable, '=') == NULL); + + unsetenv (variable); +#else /* !HAVE_UNSETENV */ + int len; + gchar **e, **f; + + g_return_if_fail (variable != NULL); + g_return_if_fail (strchr (variable, '=') == NULL); + + len = strlen (variable); + + /* Mess directly with the environ array. + * This seems to be the only portable way to do this. + * + * Note that we remove *all* environment entries for + * the variable name, not just the first. + */ + e = f = environ; + while (*e != NULL) + { + if (strncmp (*e, variable, len) != 0 || (*e)[len] != '=') + { + *f = *e; + f++; + } + e++; + } + *f = NULL; +#endif /* !HAVE_UNSETENV */ + +#else /* G_OS_WIN32 */ + + wchar_t *wname, *wassignment; + gchar *tem; + + g_return_if_fail (variable != NULL); + g_return_if_fail (strchr (variable, '=') == NULL); + g_return_if_fail (g_utf8_validate (variable, -1, NULL)); + + wname = g_utf8_to_utf16 (variable, -1, NULL, NULL, NULL); + tem = g_strconcat (variable, "=", NULL); + wassignment = g_utf8_to_utf16 (tem, -1, NULL, NULL, NULL); + + g_free (tem); + _wputenv (wassignment); + g_free (wassignment); + + SetEnvironmentVariableW (wname, NULL); + + g_free (wname); + +#endif /* G_OS_WIN32 */ +} + +/** + * g_listenv: + * + * Gets the names of all variables set in the environment. + * + * Returns: (array zero-terminated=1) (transfer full): a %NULL-terminated list of strings which must be freed + * with g_strfreev(). + * + * Programs that want to be portable to Windows should typically use + * this function and g_getenv() instead of using the environ array + * from the C library directly. On Windows, the strings in the environ + * array are in system codepage encoding, while in most of the typical + * use cases for environment variables in GLib-using programs you want + * the UTF-8 encoding that this function and g_getenv() provide. + * + * Since: 2.8 + */ +gchar ** +g_listenv (void) +{ +#ifndef G_OS_WIN32 + gchar **result, *eq; + gint len, i, j; + + len = g_strv_length (environ); + result = g_new0 (gchar *, len + 1); + + j = 0; + for (i = 0; i < len; i++) + { + eq = strchr (environ[i], '='); + if (eq) + result[j++] = g_strndup (environ[i], eq - environ[i]); + } + + result[j] = NULL; + + return result; +#else + gchar **result, *eq; + gint len = 0, j; + wchar_t *p, *q; + + p = (wchar_t *) GetEnvironmentStringsW (); + if (p != NULL) + { + q = p; + while (*q) + { + q += wcslen (q) + 1; + len++; + } + } + result = g_new0 (gchar *, len + 1); + + j = 0; + q = p; + while (*q) + { + result[j] = g_utf16_to_utf8 (q, -1, NULL, NULL, NULL); + if (result[j] != NULL) + { + eq = strchr (result[j], '='); + if (eq && eq > result[j]) + { + *eq = '\0'; + j++; + } + else + g_free (result[j]); + } + q += wcslen (q) + 1; + } + result[j] = NULL; + FreeEnvironmentStringsW (p); + + return result; +#endif +} + +/** + * g_get_environ: + * + * Gets the list of environment variables for the current process. The + * list is %NULL terminated and each item in the list is of the form + * 'NAME=VALUE'. + * + * This is equivalent to direct access to the 'environ' global variable, + * except portable. + * + * The return value is freshly allocated and it should be freed with + * g_strfreev() when it is no longer needed. + * + * Returns: (array zero-terminated=1) (transfer full): the list of environment variables + * + * Since: 2.28 + */ +gchar ** +g_get_environ (void) +{ +#ifndef G_OS_WIN32 + return g_strdupv (environ); +#else + gunichar2 *strings; + gchar **result; + gint i, n; + + strings = GetEnvironmentStringsW (); + for (n = 0; strings[n]; n += wcslen (strings + n) + 1); + result = g_new (char *, n + 1); + for (i = 0; strings[i]; i += wcslen (strings + i) + 1) + result[i] = g_utf16_to_utf8 (strings + i, -1, NULL, NULL, NULL); + FreeEnvironmentStringsW (strings); + result[i] = NULL; + + return result; +#endif +} + +G_LOCK_DEFINE_STATIC (g_utils_global); + +static gchar *g_tmp_dir = NULL; +static gchar *g_user_name = NULL; +static gchar *g_real_name = NULL; +static gchar *g_home_dir = NULL; +static gchar *g_host_name = NULL; + +#ifdef G_OS_WIN32 +/* System codepage versions of the above, kept at file level so that they, + * too, are produced only once. + */ +static gchar *g_tmp_dir_cp = NULL; +static gchar *g_user_name_cp = NULL; +static gchar *g_real_name_cp = NULL; +static gchar *g_home_dir_cp = NULL; +#endif + +static gchar *g_user_data_dir = NULL; +static gchar **g_system_data_dirs = NULL; +static gchar *g_user_cache_dir = NULL; +static gchar *g_user_config_dir = NULL; +static gchar **g_system_config_dirs = NULL; + +static gchar **g_user_special_dirs = NULL; + +/* fifteen minutes of fame for everybody */ +#define G_USER_DIRS_EXPIRE 15 * 60 + +#ifdef G_OS_WIN32 + +static gchar * +get_special_folder (int csidl) +{ + wchar_t path[MAX_PATH+1]; + HRESULT hr; + LPITEMIDLIST pidl = NULL; + BOOL b; + gchar *retval = NULL; + + hr = SHGetSpecialFolderLocation (NULL, csidl, &pidl); + if (hr == S_OK) + { + b = SHGetPathFromIDListW (pidl, path); + if (b) + retval = g_utf16_to_utf8 (path, -1, NULL, NULL, NULL); + CoTaskMemFree (pidl); + } + return retval; +} + +static char * +get_windows_directory_root (void) +{ + wchar_t wwindowsdir[MAX_PATH]; + + if (GetWindowsDirectoryW (wwindowsdir, G_N_ELEMENTS (wwindowsdir))) + { + /* Usually X:\Windows, but in terminal server environments + * might be an UNC path, AFAIK. + */ + char *windowsdir = g_utf16_to_utf8 (wwindowsdir, -1, NULL, NULL, NULL); + char *p; + + if (windowsdir == NULL) + return g_strdup ("C:\\"); + + p = (char *) g_path_skip_root (windowsdir); + if (G_IS_DIR_SEPARATOR (p[-1]) && p[-2] != ':') + p--; + *p = '\0'; + return windowsdir; + } + else + return g_strdup ("C:\\"); +} + +#endif + +/* HOLDS: g_utils_global_lock */ +static void +g_get_any_init_do (void) +{ + gchar hostname[100]; + + g_tmp_dir = g_strdup (g_getenv ("TMPDIR")); + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + g_tmp_dir = g_strdup (g_getenv ("TMP")); + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + g_tmp_dir = g_strdup (g_getenv ("TEMP")); + +#ifdef G_OS_WIN32 + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + g_tmp_dir = get_windows_directory_root (); +#else +#ifdef P_tmpdir + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + { + gsize k; + g_tmp_dir = g_strdup (P_tmpdir); + k = strlen (g_tmp_dir); + if (k > 1 && G_IS_DIR_SEPARATOR (g_tmp_dir[k - 1])) + g_tmp_dir[k - 1] = '\0'; + } +#endif + + if (g_tmp_dir == NULL || *g_tmp_dir == '\0') + { + g_tmp_dir = g_strdup ("/tmp"); + } +#endif /* !G_OS_WIN32 */ + +#ifdef G_OS_WIN32 + /* We check $HOME first for Win32, though it is a last resort for Unix + * where we prefer the results of getpwuid(). + */ + g_home_dir = g_strdup (g_getenv ("HOME")); + + /* Only believe HOME if it is an absolute path and exists */ + if (g_home_dir) + { + if (!(g_path_is_absolute (g_home_dir) && + g_file_test (g_home_dir, G_FILE_TEST_IS_DIR))) + { + g_free (g_home_dir); + g_home_dir = NULL; + } + } + + /* In case HOME is Unix-style (it happens), convert it to + * Windows style. + */ + if (g_home_dir) + { + gchar *p; + while ((p = strchr (g_home_dir, '/')) != NULL) + *p = '\\'; + } + + if (!g_home_dir) + { + /* USERPROFILE is probably the closest equivalent to $HOME? */ + if (g_getenv ("USERPROFILE") != NULL) + g_home_dir = g_strdup (g_getenv ("USERPROFILE")); + } + + if (!g_home_dir) + g_home_dir = get_special_folder (CSIDL_PROFILE); + + if (!g_home_dir) + g_home_dir = get_windows_directory_root (); +#endif /* G_OS_WIN32 */ + +#ifdef HAVE_PWD_H + { + struct passwd *pw = NULL; + gpointer buffer = NULL; + gint error; + gchar *logname; + +# if defined (HAVE_POSIX_GETPWUID_R) || defined (HAVE_NONPOSIX_GETPWUID_R) + struct passwd pwd; +# ifdef _SC_GETPW_R_SIZE_MAX + /* This reurns the maximum length */ + glong bufsize = sysconf (_SC_GETPW_R_SIZE_MAX); + + if (bufsize < 0) + bufsize = 64; +# else /* _SC_GETPW_R_SIZE_MAX */ + glong bufsize = 64; +# endif /* _SC_GETPW_R_SIZE_MAX */ + + logname = (gchar *) g_getenv ("LOGNAME"); + + do + { + g_free (buffer); + /* we allocate 6 extra bytes to work around a bug in + * Mac OS < 10.3. See #156446 + */ + buffer = g_malloc (bufsize + 6); + errno = 0; + +# ifdef HAVE_POSIX_GETPWUID_R + if (logname) { + error = getpwnam_r (logname, &pwd, buffer, bufsize, &pw); + if (!pw || (pw->pw_uid != getuid ())) { + /* LOGNAME is lying, fall back to looking up the uid */ + error = getpwuid_r (getuid (), &pwd, buffer, bufsize, &pw); + } + } else { + error = getpwuid_r (getuid (), &pwd, buffer, bufsize, &pw); + } + error = error < 0 ? errno : error; +# else /* HAVE_NONPOSIX_GETPWUID_R */ + /* HPUX 11 falls into the HAVE_POSIX_GETPWUID_R case */ +# if defined(_AIX) || defined(__hpux) + error = getpwuid_r (getuid (), &pwd, buffer, bufsize); + pw = error == 0 ? &pwd : NULL; +# else /* !_AIX */ + if (logname) { + pw = getpwnam_r (logname, &pwd, buffer, bufsize); + if (!pw || (pw->pw_uid != getuid ())) { + /* LOGNAME is lying, fall back to looking up the uid */ + pw = getpwuid_r (getuid (), &pwd, buffer, bufsize); + } + } else { + pw = getpwuid_r (getuid (), &pwd, buffer, bufsize); + } + error = pw ? 0 : errno; +# endif /* !_AIX */ +# endif /* HAVE_NONPOSIX_GETPWUID_R */ + + if (!pw) + { + /* we bail out prematurely if the user id can't be found + * (should be pretty rare case actually), or if the buffer + * should be sufficiently big and lookups are still not + * successful. + */ + if (error == 0 || error == ENOENT) + { + g_warning ("getpwuid_r(): failed due to unknown user id (%lu)", + (gulong) getuid ()); + break; + } + if (bufsize > 32 * 1024) + { + g_warning ("getpwuid_r(): failed due to: %s.", + g_strerror (error)); + break; + } + + bufsize *= 2; + } + } + while (!pw); +# endif /* HAVE_POSIX_GETPWUID_R || HAVE_NONPOSIX_GETPWUID_R */ + + if (!pw) + { + setpwent (); + pw = getpwuid (getuid ()); + endpwent (); + } + if (pw) + { + g_user_name = g_strdup (pw->pw_name); + + if (pw->pw_gecos && *pw->pw_gecos != '\0') + { + gchar **gecos_fields; + gchar **name_parts; + + /* split the gecos field and substitute '&' */ + gecos_fields = g_strsplit (pw->pw_gecos, ",", 0); + name_parts = g_strsplit (gecos_fields[0], "&", 0); + pw->pw_name[0] = g_ascii_toupper (pw->pw_name[0]); + g_real_name = g_strjoinv (pw->pw_name, name_parts); + g_strfreev (gecos_fields); + g_strfreev (name_parts); + } + + if (!g_home_dir) + g_home_dir = g_strdup (pw->pw_dir); + } + g_free (buffer); + } + +#else /* !HAVE_PWD_H */ + +#ifdef G_OS_WIN32 + { + guint len = UNLEN+1; + wchar_t buffer[UNLEN+1]; + + if (GetUserNameW (buffer, (LPDWORD) &len)) + { + g_user_name = g_utf16_to_utf8 (buffer, -1, NULL, NULL, NULL); + g_real_name = g_strdup (g_user_name); + } + } +#endif /* G_OS_WIN32 */ + +#endif /* !HAVE_PWD_H */ + +#ifndef G_OS_WIN32 + if (!g_home_dir) + g_home_dir = g_strdup (g_getenv ("HOME")); +#endif + +#ifdef __EMX__ + /* change '\\' in %HOME% to '/' */ + g_strdelimit (g_home_dir, "\\",'/'); +#endif + if (!g_user_name) + g_user_name = g_strdup ("somebody"); + if (!g_real_name) + g_real_name = g_strdup ("Unknown"); + + { +#ifndef G_OS_WIN32 + gboolean hostname_fail = (gethostname (hostname, sizeof (hostname)) == -1); +#else + DWORD size = sizeof (hostname); + gboolean hostname_fail = (!GetComputerName (hostname, &size)); +#endif + g_host_name = g_strdup (hostname_fail ? "localhost" : hostname); + } + +#ifdef G_OS_WIN32 + g_tmp_dir_cp = g_locale_from_utf8 (g_tmp_dir, -1, NULL, NULL, NULL); + g_user_name_cp = g_locale_from_utf8 (g_user_name, -1, NULL, NULL, NULL); + g_real_name_cp = g_locale_from_utf8 (g_real_name, -1, NULL, NULL, NULL); + + if (!g_tmp_dir_cp) + g_tmp_dir_cp = g_strdup ("\\"); + if (!g_user_name_cp) + g_user_name_cp = g_strdup ("somebody"); + if (!g_real_name_cp) + g_real_name_cp = g_strdup ("Unknown"); + + /* home_dir might be NULL, unlike tmp_dir, user_name and + * real_name. + */ + if (g_home_dir) + g_home_dir_cp = g_locale_from_utf8 (g_home_dir, -1, NULL, NULL, NULL); + else + g_home_dir_cp = NULL; +#endif /* G_OS_WIN32 */ +} + +static inline void +g_get_any_init (void) +{ + if (!g_tmp_dir) + g_get_any_init_do (); +} + +static inline void +g_get_any_init_locked (void) +{ + G_LOCK (g_utils_global); + g_get_any_init (); + G_UNLOCK (g_utils_global); +} + + +/** + * g_get_user_name: + * + * Gets the user name of the current user. The encoding of the returned + * string is system-defined. On UNIX, it might be the preferred file name + * encoding, or something else, and there is no guarantee that it is even + * consistent on a machine. On Windows, it is always UTF-8. + * + * Returns: the user name of the current user. + */ +const gchar * +g_get_user_name (void) +{ + g_get_any_init_locked (); + return g_user_name; +} + +/** + * g_get_real_name: + * + * Gets the real name of the user. This usually comes from the user's entry + * in the passwd file. The encoding of the returned + * string is system-defined. (On Windows, it is, however, always UTF-8.) + * If the real user name cannot be determined, the string "Unknown" is + * returned. + * + * Returns: the user's real name. + */ +const gchar * +g_get_real_name (void) +{ + g_get_any_init_locked (); + return g_real_name; +} + +/** + * g_get_home_dir: + * + * Gets the current user's home directory as defined in the + * password database. + * + * Note that in contrast to traditional UNIX tools, this function + * prefers passwd entries over the HOME + * environment variable. + * + * One of the reasons for this decision is that applications in many + * cases need special handling to deal with the case where + * HOME is + * + * Not owned by the user + * Not writeable + * Not even readable + * + * Since applications are in general not written + * to deal with these situations it was considered better to make + * g_get_home_dir() not pay attention to HOME and to + * return the real home directory for the user. If applications + * want to pay attention to HOME, they can do: + * |[ + * const char *homedir = g_getenv ("HOME"); + * if (!homedir) + * homedir = g_get_home_dir (); + * ]| + * + * Returns: the current user's home directory + */ +const gchar * +g_get_home_dir (void) +{ + g_get_any_init_locked (); + return g_home_dir; +} + +/** + * g_get_tmp_dir: + * + * Gets the directory to use for temporary files. This is found from + * inspecting the environment variables TMPDIR, + * TMP, and TEMP in that order. If none + * of those are defined "/tmp" is returned on UNIX and "C:\" on Windows. + * The encoding of the returned string is system-defined. On Windows, + * it is always UTF-8. The return value is never %NULL or the empty string. + * + * Returns: the directory to use for temporary files. + */ +const gchar * +g_get_tmp_dir (void) +{ + g_get_any_init_locked (); + return g_tmp_dir; +} + +/** + * g_get_host_name: + * + * Return a name for the machine. + * + * The returned name is not necessarily a fully-qualified domain name, + * or even present in DNS or some other name service at all. It need + * not even be unique on your local network or site, but usually it + * is. Callers should not rely on the return value having any specific + * properties like uniqueness for security purposes. Even if the name + * of the machine is changed while an application is running, the + * return value from this function does not change. The returned + * string is owned by GLib and should not be modified or freed. If no + * name can be determined, a default fixed string "localhost" is + * returned. + * + * Returns: the host name of the machine. + * + * Since: 2.8 + */ +const gchar * +g_get_host_name (void) +{ + g_get_any_init_locked (); + return g_host_name; +} + +G_LOCK_DEFINE_STATIC (g_prgname); +static gchar *g_prgname = NULL; + +/** + * g_get_prgname: + * + * Gets the name of the program. This name should not + * be localized, contrast with g_get_application_name(). + * (If you are using GDK or GTK+ the program name is set in gdk_init(), + * which is called by gtk_init(). The program name is found by taking + * the last component of argv[0].) + * + * Returns: the name of the program. The returned string belongs + * to GLib and must not be modified or freed. + */ +gchar* +g_get_prgname (void) +{ + gchar* retval; + + G_LOCK (g_prgname); +#ifdef G_OS_WIN32 + if (g_prgname == NULL) + { + static gboolean beenhere = FALSE; + + if (!beenhere) + { + gchar *utf8_buf = NULL; + wchar_t buf[MAX_PATH+1]; + + beenhere = TRUE; + if (GetModuleFileNameW (GetModuleHandle (NULL), + buf, G_N_ELEMENTS (buf)) > 0) + utf8_buf = g_utf16_to_utf8 (buf, -1, NULL, NULL, NULL); + + if (utf8_buf) + { + g_prgname = g_path_get_basename (utf8_buf); + g_free (utf8_buf); + } + } + } +#endif + retval = g_prgname; + G_UNLOCK (g_prgname); + + return retval; +} + +/** + * g_set_prgname: + * @prgname: the name of the program. + * + * Sets the name of the program. This name should not + * be localized, contrast with g_set_application_name(). Note that for + * thread-safety reasons this function can only be called once. + */ +void +g_set_prgname (const gchar *prgname) +{ + G_LOCK (g_prgname); + g_free (g_prgname); + g_prgname = g_strdup (prgname); + G_UNLOCK (g_prgname); +} + +G_LOCK_DEFINE_STATIC (g_application_name); +static gchar *g_application_name = NULL; + +/** + * g_get_application_name: + * + * Gets a human-readable name for the application, as set by + * g_set_application_name(). This name should be localized if + * possible, and is intended for display to the user. Contrast with + * g_get_prgname(), which gets a non-localized name. If + * g_set_application_name() has not been called, returns the result of + * g_get_prgname() (which may be %NULL if g_set_prgname() has also not + * been called). + * + * Return value: human-readable application name. may return %NULL + * + * Since: 2.2 + **/ +const gchar * +g_get_application_name (void) +{ + gchar* retval; + + G_LOCK (g_application_name); + retval = g_application_name; + G_UNLOCK (g_application_name); + + if (retval == NULL) + return g_get_prgname (); + + return retval; +} + +/** + * g_set_application_name: + * @application_name: localized name of the application + * + * Sets a human-readable name for the application. This name should be + * localized if possible, and is intended for display to the user. + * Contrast with g_set_prgname(), which sets a non-localized name. + * g_set_prgname() will be called automatically by gtk_init(), + * but g_set_application_name() will not. + * + * Note that for thread safety reasons, this function can only + * be called once. + * + * The application name will be used in contexts such as error messages, + * or when displaying an application's name in the task list. + * + * Since: 2.2 + **/ +void +g_set_application_name (const gchar *application_name) +{ + gboolean already_set = FALSE; + + G_LOCK (g_application_name); + if (g_application_name) + already_set = TRUE; + else + g_application_name = g_strdup (application_name); + G_UNLOCK (g_application_name); + + if (already_set) + g_warning ("g_set_application_name() called multiple times"); +} + +/** + * g_get_user_data_dir: + * + * Returns a base directory in which to access application data such + * as icons that is customized for a particular user. + * + * On UNIX platforms this is determined using the mechanisms described in + * the + * XDG Base Directory Specification. + * In this case the directory retrieved will be XDG_DATA_HOME. + * + * On Windows this is the folder to use for local (as opposed to + * roaming) application data. See documentation for + * CSIDL_LOCAL_APPDATA. Note that on Windows it thus is the same as + * what g_get_user_config_dir() returns. + * + * Return value: a string owned by GLib that must not be modified + * or freed. + * Since: 2.6 + **/ +const gchar * +g_get_user_data_dir (void) +{ + gchar *data_dir; + + G_LOCK (g_utils_global); + + if (!g_user_data_dir) + { +#ifdef G_OS_WIN32 + data_dir = get_special_folder (CSIDL_LOCAL_APPDATA); +#else + data_dir = (gchar *) g_getenv ("XDG_DATA_HOME"); + + if (data_dir && data_dir[0]) + data_dir = g_strdup (data_dir); +#endif + if (!data_dir || !data_dir[0]) + { + g_get_any_init (); + + if (g_home_dir) + data_dir = g_build_filename (g_home_dir, ".local", + "share", NULL); + else + data_dir = g_build_filename (g_tmp_dir, g_user_name, ".local", + "share", NULL); + } + + g_user_data_dir = data_dir; + } + else + data_dir = g_user_data_dir; + + G_UNLOCK (g_utils_global); + + return data_dir; +} + +static void +g_init_user_config_dir (void) +{ + gchar *config_dir; + + if (!g_user_config_dir) + { +#ifdef G_OS_WIN32 + config_dir = get_special_folder (CSIDL_LOCAL_APPDATA); +#else + config_dir = (gchar *) g_getenv ("XDG_CONFIG_HOME"); + + if (config_dir && config_dir[0]) + config_dir = g_strdup (config_dir); +#endif + if (!config_dir || !config_dir[0]) + { + g_get_any_init (); + + if (g_home_dir) + config_dir = g_build_filename (g_home_dir, ".config", NULL); + else + config_dir = g_build_filename (g_tmp_dir, g_user_name, ".config", NULL); + } + + g_user_config_dir = config_dir; + } +} + +/** + * g_get_user_config_dir: + * + * Returns a base directory in which to store user-specific application + * configuration information such as user preferences and settings. + * + * On UNIX platforms this is determined using the mechanisms described in + * the + * XDG Base Directory Specification. + * In this case the directory retrieved will be XDG_CONFIG_HOME. + * + * On Windows this is the folder to use for local (as opposed to + * roaming) application data. See documentation for + * CSIDL_LOCAL_APPDATA. Note that on Windows it thus is the same as + * what g_get_user_data_dir() returns. + * + * Return value: a string owned by GLib that must not be modified + * or freed. + * Since: 2.6 + **/ +const gchar * +g_get_user_config_dir (void) +{ + G_LOCK (g_utils_global); + + g_init_user_config_dir (); + + G_UNLOCK (g_utils_global); + + return g_user_config_dir; +} + +/** + * g_get_user_cache_dir: + * + * Returns a base directory in which to store non-essential, cached + * data specific to particular user. + * + * On UNIX platforms this is determined using the mechanisms described in + * the + * XDG Base Directory Specification. + * In this case the directory retrieved will be XDG_CACHE_HOME. + * + * On Windows is the directory that serves as a common repository for + * temporary Internet files. A typical path is + * C:\Documents and Settings\username\Local Settings\Temporary Internet Files. + * See documentation for CSIDL_INTERNET_CACHE. + * + * Return value: a string owned by GLib that must not be modified + * or freed. + * Since: 2.6 + **/ +const gchar * +g_get_user_cache_dir (void) +{ + gchar *cache_dir; + + G_LOCK (g_utils_global); + + if (!g_user_cache_dir) + { +#ifdef G_OS_WIN32 + cache_dir = get_special_folder (CSIDL_INTERNET_CACHE); /* XXX correct? */ +#else + cache_dir = (gchar *) g_getenv ("XDG_CACHE_HOME"); + + if (cache_dir && cache_dir[0]) + cache_dir = g_strdup (cache_dir); +#endif + if (!cache_dir || !cache_dir[0]) + { + g_get_any_init (); + + if (g_home_dir) + cache_dir = g_build_filename (g_home_dir, ".cache", NULL); + else + cache_dir = g_build_filename (g_tmp_dir, g_user_name, ".cache", NULL); + } + g_user_cache_dir = cache_dir; + } + else + cache_dir = g_user_cache_dir; + + G_UNLOCK (g_utils_global); + + return cache_dir; +} + +/** + * g_get_user_runtime_dir: + * + * Returns a directory that is unique to the current user on the local + * system. + * + * On UNIX platforms this is determined using the mechanisms described in + * the + * XDG Base Directory Specification. This is the directory + * specified in the XDG_RUNTIME_DIR environment variable. + * In the case that this variable is not set, GLib will issue a warning + * message to stderr and return the value of g_get_user_cache_dir(). + * + * On Windows this is the folder to use for local (as opposed to + * roaming) application data. See documentation for + * CSIDL_LOCAL_APPDATA. Note that on Windows it thus is the same as + * what g_get_user_config_dir() returns. + * + * Returns: a string owned by GLib that must not be modified or freed. + * + * Since: 2.28 + **/ +const gchar * +g_get_user_runtime_dir (void) +{ +#ifndef G_OS_WIN32 + static const gchar *runtime_dir; + static gsize initialised; + + if (g_once_init_enter (&initialised)) + { + runtime_dir = g_strdup (getenv ("XDG_RUNTIME_DIR")); + + g_once_init_leave (&initialised, 1); + } + + if (runtime_dir) + return runtime_dir; + + /* Both fallback for UNIX and the default + * in Windows: use the user cache directory. + */ +#endif + + return g_get_user_cache_dir (); +} + +#ifdef HAVE_CARBON + +static gchar * +find_folder (OSType type) +{ + gchar *filename = NULL; + FSRef found; + + if (FSFindFolder (kUserDomain, type, kDontCreateFolder, &found) == noErr) + { + CFURLRef url = CFURLCreateFromFSRef (kCFAllocatorSystemDefault, &found); + + if (url) + { + CFStringRef path = CFURLCopyFileSystemPath (url, kCFURLPOSIXPathStyle); + + if (path) + { + filename = g_strdup (CFStringGetCStringPtr (path, kCFStringEncodingUTF8)); + + if (! filename) + { + filename = g_new0 (gchar, CFStringGetLength (path) * 3 + 1); + + CFStringGetCString (path, filename, + CFStringGetLength (path) * 3 + 1, + kCFStringEncodingUTF8); + } + + CFRelease (path); + } + + CFRelease (url); + } + } + + return filename; +} + +static void +load_user_special_dirs (void) +{ + g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] = find_folder (kDesktopFolderType); + g_user_special_dirs[G_USER_DIRECTORY_DOCUMENTS] = find_folder (kDocumentsFolderType); + g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = find_folder (kDesktopFolderType); /* XXX correct ? */ + g_user_special_dirs[G_USER_DIRECTORY_MUSIC] = find_folder (kMusicDocumentsFolderType); + g_user_special_dirs[G_USER_DIRECTORY_PICTURES] = find_folder (kPictureDocumentsFolderType); + g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = NULL; + g_user_special_dirs[G_USER_DIRECTORY_TEMPLATES] = NULL; + g_user_special_dirs[G_USER_DIRECTORY_VIDEOS] = find_folder (kMovieDocumentsFolderType); +} + +#endif /* HAVE_CARBON */ + +#if defined(G_OS_WIN32) +static void +load_user_special_dirs (void) +{ + typedef HRESULT (WINAPI *t_SHGetKnownFolderPath) (const GUID *rfid, + DWORD dwFlags, + HANDLE hToken, + PWSTR *ppszPath); + t_SHGetKnownFolderPath p_SHGetKnownFolderPath; + + static const GUID FOLDERID_Downloads = + { 0x374de290, 0x123f, 0x4565, { 0x91, 0x64, 0x39, 0xc4, 0x92, 0x5e, 0x46, 0x7b } }; + static const GUID FOLDERID_Public = + { 0xDFDF76A2, 0xC82A, 0x4D63, { 0x90, 0x6A, 0x56, 0x44, 0xAC, 0x45, 0x73, 0x85 } }; + + wchar_t *wcp; + + p_SHGetKnownFolderPath = (t_SHGetKnownFolderPath) GetProcAddress (GetModuleHandle ("shell32.dll"), + "SHGetKnownFolderPath"); + + g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] = get_special_folder (CSIDL_DESKTOPDIRECTORY); + g_user_special_dirs[G_USER_DIRECTORY_DOCUMENTS] = get_special_folder (CSIDL_PERSONAL); + + if (p_SHGetKnownFolderPath == NULL) + { + g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (CSIDL_DESKTOPDIRECTORY); + } + else + { + wcp = NULL; + (*p_SHGetKnownFolderPath) (&FOLDERID_Downloads, 0, NULL, &wcp); + if (wcp) + { + g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = g_utf16_to_utf8 (wcp, -1, NULL, NULL, NULL); + if (g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] == NULL) + g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (CSIDL_DESKTOPDIRECTORY); + CoTaskMemFree (wcp); + } + else + g_user_special_dirs[G_USER_DIRECTORY_DOWNLOAD] = get_special_folder (CSIDL_DESKTOPDIRECTORY); + } + + g_user_special_dirs[G_USER_DIRECTORY_MUSIC] = get_special_folder (CSIDL_MYMUSIC); + g_user_special_dirs[G_USER_DIRECTORY_PICTURES] = get_special_folder (CSIDL_MYPICTURES); + + if (p_SHGetKnownFolderPath == NULL) + { + /* XXX */ + g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (CSIDL_COMMON_DOCUMENTS); + } + else + { + wcp = NULL; + (*p_SHGetKnownFolderPath) (&FOLDERID_Public, 0, NULL, &wcp); + if (wcp) + { + g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = g_utf16_to_utf8 (wcp, -1, NULL, NULL, NULL); + if (g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] == NULL) + g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (CSIDL_COMMON_DOCUMENTS); + CoTaskMemFree (wcp); + } + else + g_user_special_dirs[G_USER_DIRECTORY_PUBLIC_SHARE] = get_special_folder (CSIDL_COMMON_DOCUMENTS); + } + + g_user_special_dirs[G_USER_DIRECTORY_TEMPLATES] = get_special_folder (CSIDL_TEMPLATES); + g_user_special_dirs[G_USER_DIRECTORY_VIDEOS] = get_special_folder (CSIDL_MYVIDEO); +} +#endif /* G_OS_WIN32 */ + +static void g_init_user_config_dir (void); + +#if defined(G_OS_UNIX) && !defined(HAVE_CARBON) + +/* adapted from xdg-user-dir-lookup.c + * + * Copyright (C) 2007 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation files + * (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +static void +load_user_special_dirs (void) +{ + gchar *config_file; + gchar *data; + gchar **lines; + gint n_lines, i; + + g_init_user_config_dir (); + config_file = g_build_filename (g_user_config_dir, + "user-dirs.dirs", + NULL); + + if (!g_file_get_contents (config_file, &data, NULL, NULL)) + { + g_free (config_file); + return; + } + + lines = g_strsplit (data, "\n", -1); + n_lines = g_strv_length (lines); + g_free (data); + + for (i = 0; i < n_lines; i++) + { + gchar *buffer = lines[i]; + gchar *d, *p; + gint len; + gboolean is_relative = FALSE; + GUserDirectory directory; + + /* Remove newline at end */ + len = strlen (buffer); + if (len > 0 && buffer[len - 1] == '\n') + buffer[len - 1] = 0; + + p = buffer; + while (*p == ' ' || *p == '\t') + p++; + + if (strncmp (p, "XDG_DESKTOP_DIR", strlen ("XDG_DESKTOP_DIR")) == 0) + { + directory = G_USER_DIRECTORY_DESKTOP; + p += strlen ("XDG_DESKTOP_DIR"); + } + else if (strncmp (p, "XDG_DOCUMENTS_DIR", strlen ("XDG_DOCUMENTS_DIR")) == 0) + { + directory = G_USER_DIRECTORY_DOCUMENTS; + p += strlen ("XDG_DOCUMENTS_DIR"); + } + else if (strncmp (p, "XDG_DOWNLOAD_DIR", strlen ("XDG_DOWNLOAD_DIR")) == 0) + { + directory = G_USER_DIRECTORY_DOWNLOAD; + p += strlen ("XDG_DOWNLOAD_DIR"); + } + else if (strncmp (p, "XDG_MUSIC_DIR", strlen ("XDG_MUSIC_DIR")) == 0) + { + directory = G_USER_DIRECTORY_MUSIC; + p += strlen ("XDG_MUSIC_DIR"); + } + else if (strncmp (p, "XDG_PICTURES_DIR", strlen ("XDG_PICTURES_DIR")) == 0) + { + directory = G_USER_DIRECTORY_PICTURES; + p += strlen ("XDG_PICTURES_DIR"); + } + else if (strncmp (p, "XDG_PUBLICSHARE_DIR", strlen ("XDG_PUBLICSHARE_DIR")) == 0) + { + directory = G_USER_DIRECTORY_PUBLIC_SHARE; + p += strlen ("XDG_PUBLICSHARE_DIR"); + } + else if (strncmp (p, "XDG_TEMPLATES_DIR", strlen ("XDG_TEMPLATES_DIR")) == 0) + { + directory = G_USER_DIRECTORY_TEMPLATES; + p += strlen ("XDG_TEMPLATES_DIR"); + } + else if (strncmp (p, "XDG_VIDEOS_DIR", strlen ("XDG_VIDEOS_DIR")) == 0) + { + directory = G_USER_DIRECTORY_VIDEOS; + p += strlen ("XDG_VIDEOS_DIR"); + } + else + continue; + + while (*p == ' ' || *p == '\t') + p++; + + if (*p != '=') + continue; + p++; + + while (*p == ' ' || *p == '\t') + p++; + + if (*p != '"') + continue; + p++; + + if (strncmp (p, "$HOME", 5) == 0) + { + p += 5; + is_relative = TRUE; + } + else if (*p != '/') + continue; + + d = strrchr (p, '"'); + if (!d) + continue; + *d = 0; + + d = p; + + /* remove trailing slashes */ + len = strlen (d); + if (d[len - 1] == '/') + d[len - 1] = 0; + + if (is_relative) + { + g_get_any_init (); + g_user_special_dirs[directory] = g_build_filename (g_home_dir, d, NULL); + } + else + g_user_special_dirs[directory] = g_strdup (d); + } + + g_strfreev (lines); + g_free (config_file); +} + +#endif /* G_OS_UNIX && !HAVE_CARBON */ + + +/** + * g_reload_user_special_dirs_cache: + * + * Resets the cache used for g_get_user_special_dir(), so + * that the latest on-disk version is used. Call this only + * if you just changed the data on disk yourself. + * + * Due to threadsafety issues this may cause leaking of strings + * that were previously returned from g_get_user_special_dir() + * that can't be freed. We ensure to only leak the data for + * the directories that actually changed value though. + * + * Since: 2.22 + */ +void +g_reload_user_special_dirs_cache (void) +{ + int i; + + G_LOCK (g_utils_global); + + if (g_user_special_dirs != NULL) + { + /* save a copy of the pointer, to check if some memory can be preserved */ + char **old_g_user_special_dirs = g_user_special_dirs; + char *old_val; + + /* recreate and reload our cache */ + g_user_special_dirs = g_new0 (gchar *, G_USER_N_DIRECTORIES); + load_user_special_dirs (); + + /* only leak changed directories */ + for (i = 0; i < G_USER_N_DIRECTORIES; i++) + { + old_val = old_g_user_special_dirs[i]; + if (g_strcmp0 (old_val, g_user_special_dirs[i]) == 0) + { + /* don't leak */ + g_free (g_user_special_dirs[i]); + g_user_special_dirs[i] = old_val; + } + else + g_free (old_val); + } + + /* free the old array */ + g_free (old_g_user_special_dirs); + } + + G_UNLOCK (g_utils_global); +} + +/** + * g_get_user_special_dir: + * @directory: the logical id of special directory + * + * Returns the full path of a special directory using its logical id. + * + * On Unix this is done using the XDG special user directories. + * For compatibility with existing practise, %G_USER_DIRECTORY_DESKTOP + * falls back to $HOME/Desktop when XDG special + * user directories have not been set up. + * + * Depending on the platform, the user might be able to change the path + * of the special directory without requiring the session to restart; GLib + * will not reflect any change once the special directories are loaded. + * + * Return value: the path to the specified special directory, or %NULL + * if the logical id was not found. The returned string is owned by + * GLib and should not be modified or freed. + * + * Since: 2.14 + */ +const gchar * +g_get_user_special_dir (GUserDirectory directory) +{ + g_return_val_if_fail (directory >= G_USER_DIRECTORY_DESKTOP && + directory < G_USER_N_DIRECTORIES, NULL); + + G_LOCK (g_utils_global); + + if (G_UNLIKELY (g_user_special_dirs == NULL)) + { + g_user_special_dirs = g_new0 (gchar *, G_USER_N_DIRECTORIES); + + load_user_special_dirs (); + + /* Special-case desktop for historical compatibility */ + if (g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] == NULL) + { + g_get_any_init (); + + g_user_special_dirs[G_USER_DIRECTORY_DESKTOP] = + g_build_filename (g_home_dir, "Desktop", NULL); + } + } + + G_UNLOCK (g_utils_global); + + return g_user_special_dirs[directory]; +} + +#ifdef G_OS_WIN32 + +#undef g_get_system_data_dirs + +static HMODULE +get_module_for_address (gconstpointer address) +{ + /* Holds the g_utils_global lock */ + + static gboolean beenhere = FALSE; + typedef BOOL (WINAPI *t_GetModuleHandleExA) (DWORD, LPCTSTR, HMODULE *); + static t_GetModuleHandleExA p_GetModuleHandleExA = NULL; + HMODULE hmodule = NULL; + + if (!address) + return NULL; + + if (!beenhere) + { + p_GetModuleHandleExA = + (t_GetModuleHandleExA) GetProcAddress (GetModuleHandle ("kernel32.dll"), + "GetModuleHandleExA"); + beenhere = TRUE; + } + + if (p_GetModuleHandleExA == NULL || + !(*p_GetModuleHandleExA) (GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT | + GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, + address, &hmodule)) + { + MEMORY_BASIC_INFORMATION mbi; + VirtualQuery (address, &mbi, sizeof (mbi)); + hmodule = (HMODULE) mbi.AllocationBase; + } + + return hmodule; +} + +static gchar * +get_module_share_dir (gconstpointer address) +{ + HMODULE hmodule; + gchar *filename; + gchar *retval; + + hmodule = get_module_for_address (address); + if (hmodule == NULL) + return NULL; + + filename = g_win32_get_package_installation_directory_of_module (hmodule); + retval = g_build_filename (filename, "share", NULL); + g_free (filename); + + return retval; +} + +const gchar * const * +g_win32_get_system_data_dirs_for_module (void (*address_of_function)()) +{ + GArray *data_dirs; + HMODULE hmodule; + static GHashTable *per_module_data_dirs = NULL; + gchar **retval; + gchar *p; + gchar *exe_root; + + if (address_of_function) + { + G_LOCK (g_utils_global); + hmodule = get_module_for_address (address_of_function); + if (hmodule != NULL) + { + if (per_module_data_dirs == NULL) + per_module_data_dirs = g_hash_table_new (NULL, NULL); + else + { + retval = g_hash_table_lookup (per_module_data_dirs, hmodule); + + if (retval != NULL) + { + G_UNLOCK (g_utils_global); + return (const gchar * const *) retval; + } + } + } + } + + data_dirs = g_array_new (TRUE, TRUE, sizeof (char *)); + + /* Documents and Settings\All Users\Application Data */ + p = get_special_folder (CSIDL_COMMON_APPDATA); + if (p) + g_array_append_val (data_dirs, p); + + /* Documents and Settings\All Users\Documents */ + p = get_special_folder (CSIDL_COMMON_DOCUMENTS); + if (p) + g_array_append_val (data_dirs, p); + + /* Using the above subfolders of Documents and Settings perhaps + * makes sense from a Windows perspective. + * + * But looking at the actual use cases of this function in GTK+ + * and GNOME software, what we really want is the "share" + * subdirectory of the installation directory for the package + * our caller is a part of. + * + * The address_of_function parameter, if non-NULL, points to a + * function in the calling module. Use that to determine that + * module's installation folder, and use its "share" subfolder. + * + * Additionally, also use the "share" subfolder of the installation + * locations of GLib and the .exe file being run. + * + * To guard against none of the above being what is really wanted, + * callers of this function should have Win32-specific code to look + * up their installation folder themselves, and handle a subfolder + * "share" of it in the same way as the folders returned from this + * function. + */ + + p = get_module_share_dir (address_of_function); + if (p) + g_array_append_val (data_dirs, p); + + if (glib_dll != NULL) + { + gchar *glib_root = g_win32_get_package_installation_directory_of_module (glib_dll); + p = g_build_filename (glib_root, "share", NULL); + if (p) + g_array_append_val (data_dirs, p); + g_free (glib_root); + } + + exe_root = g_win32_get_package_installation_directory_of_module (NULL); + p = g_build_filename (exe_root, "share", NULL); + if (p) + g_array_append_val (data_dirs, p); + g_free (exe_root); + + retval = (gchar **) g_array_free (data_dirs, FALSE); + + if (address_of_function) + { + if (hmodule != NULL) + g_hash_table_insert (per_module_data_dirs, hmodule, retval); + G_UNLOCK (g_utils_global); + } + + return (const gchar * const *) retval; +} + +#endif + +/** + * g_get_system_data_dirs: + * + * Returns an ordered list of base directories in which to access + * system-wide application data. + * + * On UNIX platforms this is determined using the mechanisms described in + * the + * XDG Base Directory Specification + * In this case the list of directories retrieved will be XDG_DATA_DIRS. + * + * On Windows the first elements in the list are the Application Data + * and Documents folders for All Users. (These can be determined only + * on Windows 2000 or later and are not present in the list on other + * Windows versions.) See documentation for CSIDL_COMMON_APPDATA and + * CSIDL_COMMON_DOCUMENTS. + * + * Then follows the "share" subfolder in the installation folder for + * the package containing the DLL that calls this function, if it can + * be determined. + * + * Finally the list contains the "share" subfolder in the installation + * folder for GLib, and in the installation folder for the package the + * application's .exe file belongs to. + * + * The installation folders above are determined by looking up the + * folder where the module (DLL or EXE) in question is located. If the + * folder's name is "bin", its parent is used, otherwise the folder + * itself. + * + * Note that on Windows the returned list can vary depending on where + * this function is called. + * + * Return value: (array zero-terminated=1) (transfer none): a %NULL-terminated array of strings owned by GLib that must + * not be modified or freed. + * Since: 2.6 + **/ +const gchar * const * +g_get_system_data_dirs (void) +{ + gchar **data_dir_vector; + + G_LOCK (g_utils_global); + + if (!g_system_data_dirs) + { +#ifdef G_OS_WIN32 + data_dir_vector = (gchar **) g_win32_get_system_data_dirs_for_module (NULL); +#else + gchar *data_dirs = (gchar *) g_getenv ("XDG_DATA_DIRS"); + + if (!data_dirs || !data_dirs[0]) + data_dirs = "/usr/local/share/:/usr/share/"; + + data_dir_vector = g_strsplit (data_dirs, G_SEARCHPATH_SEPARATOR_S, 0); +#endif + + g_system_data_dirs = data_dir_vector; + } + else + data_dir_vector = g_system_data_dirs; + + G_UNLOCK (g_utils_global); + + return (const gchar * const *) data_dir_vector; +} + +/** + * g_get_system_config_dirs: + * + * Returns an ordered list of base directories in which to access + * system-wide configuration information. + * + * On UNIX platforms this is determined using the mechanisms described in + * the + * XDG Base Directory Specification. + * In this case the list of directories retrieved will be XDG_CONFIG_DIRS. + * + * On Windows is the directory that contains application data for all users. + * A typical path is C:\Documents and Settings\All Users\Application Data. + * This folder is used for application data that is not user specific. + * For example, an application can store a spell-check dictionary, a database + * of clip art, or a log file in the CSIDL_COMMON_APPDATA folder. + * This information will not roam and is available to anyone using the computer. + * + * Return value: (array zero-terminated=1) (transfer none): a %NULL-terminated array of strings owned by GLib that must + * not be modified or freed. + * Since: 2.6 + **/ +const gchar * const * +g_get_system_config_dirs (void) +{ + gchar *conf_dirs, **conf_dir_vector; + + G_LOCK (g_utils_global); + + if (!g_system_config_dirs) + { +#ifdef G_OS_WIN32 + conf_dirs = get_special_folder (CSIDL_COMMON_APPDATA); + if (conf_dirs) + { + conf_dir_vector = g_strsplit (conf_dirs, G_SEARCHPATH_SEPARATOR_S, 0); + g_free (conf_dirs); + } + else + { + /* Return empty list */ + conf_dir_vector = g_strsplit ("", G_SEARCHPATH_SEPARATOR_S, 0); + } +#else + conf_dirs = (gchar *) g_getenv ("XDG_CONFIG_DIRS"); + + if (!conf_dirs || !conf_dirs[0]) + conf_dirs = "/etc/xdg"; + + conf_dir_vector = g_strsplit (conf_dirs, G_SEARCHPATH_SEPARATOR_S, 0); +#endif + + g_system_config_dirs = conf_dir_vector; + } + else + conf_dir_vector = g_system_config_dirs; + G_UNLOCK (g_utils_global); + + return (const gchar * const *) conf_dir_vector; +} + +#ifndef G_OS_WIN32 + +static GHashTable *alias_table = NULL; + +/* read an alias file for the locales */ +static void +read_aliases (gchar *file) +{ + FILE *fp; + char buf[256]; + + if (!alias_table) + alias_table = g_hash_table_new (g_str_hash, g_str_equal); + fp = fopen (file,"r"); + if (!fp) + return; + while (fgets (buf, 256, fp)) + { + char *p, *q; + + g_strstrip (buf); + + /* Line is a comment */ + if ((buf[0] == '#') || (buf[0] == '\0')) + continue; + + /* Reads first column */ + for (p = buf, q = NULL; *p; p++) { + if ((*p == '\t') || (*p == ' ') || (*p == ':')) { + *p = '\0'; + q = p+1; + while ((*q == '\t') || (*q == ' ')) { + q++; + } + break; + } + } + /* The line only had one column */ + if (!q || *q == '\0') + continue; + + /* Read second column */ + for (p = q; *p; p++) { + if ((*p == '\t') || (*p == ' ')) { + *p = '\0'; + break; + } + } + + /* Add to alias table if necessary */ + if (!g_hash_table_lookup (alias_table, buf)) { + g_hash_table_insert (alias_table, g_strdup (buf), g_strdup (q)); + } + } + fclose (fp); +} + +#endif + +static char * +unalias_lang (char *lang) +{ +#ifndef G_OS_WIN32 + char *p; + int i; + + if (!alias_table) + read_aliases ("/usr/share/locale/locale.alias"); + + i = 0; + while ((p = g_hash_table_lookup (alias_table, lang)) && (strcmp (p, lang) != 0)) + { + lang = p; + if (i++ == 30) + { + static gboolean said_before = FALSE; + if (!said_before) + g_warning ("Too many alias levels for a locale, " + "may indicate a loop"); + said_before = TRUE; + return lang; + } + } +#endif + return lang; +} + +/* Mask for components of locale spec. The ordering here is from + * least significant to most significant + */ +enum +{ + COMPONENT_CODESET = 1 << 0, + COMPONENT_TERRITORY = 1 << 1, + COMPONENT_MODIFIER = 1 << 2 +}; + +/* Break an X/Open style locale specification into components + */ +static guint +explode_locale (const gchar *locale, + gchar **language, + gchar **territory, + gchar **codeset, + gchar **modifier) +{ + const gchar *uscore_pos; + const gchar *at_pos; + const gchar *dot_pos; + + guint mask = 0; + + uscore_pos = strchr (locale, '_'); + dot_pos = strchr (uscore_pos ? uscore_pos : locale, '.'); + at_pos = strchr (dot_pos ? dot_pos : (uscore_pos ? uscore_pos : locale), '@'); + + if (at_pos) + { + mask |= COMPONENT_MODIFIER; + *modifier = g_strdup (at_pos); + } + else + at_pos = locale + strlen (locale); + + if (dot_pos) + { + mask |= COMPONENT_CODESET; + *codeset = g_strndup (dot_pos, at_pos - dot_pos); + } + else + dot_pos = at_pos; + + if (uscore_pos) + { + mask |= COMPONENT_TERRITORY; + *territory = g_strndup (uscore_pos, dot_pos - uscore_pos); + } + else + uscore_pos = dot_pos; + + *language = g_strndup (locale, uscore_pos - locale); + + return mask; +} + +/* + * Compute all interesting variants for a given locale name - + * by stripping off different components of the value. + * + * For simplicity, we assume that the locale is in + * X/Open format: language[_territory][.codeset][@modifier] + * + * TODO: Extend this to handle the CEN format (see the GNUlibc docs) + * as well. We could just copy the code from glibc wholesale + * but it is big, ugly, and complicated, so I'm reluctant + * to do so when this should handle 99% of the time... + */ +static void +append_locale_variants (GPtrArray *array, + const gchar *locale) +{ + gchar *language = NULL; + gchar *territory = NULL; + gchar *codeset = NULL; + gchar *modifier = NULL; + + guint mask; + guint i, j; + + g_return_if_fail (locale != NULL); + + mask = explode_locale (locale, &language, &territory, &codeset, &modifier); + + /* Iterate through all possible combinations, from least attractive + * to most attractive. + */ + for (j = 0; j <= mask; ++j) + { + i = mask - j; + + if ((i & ~mask) == 0) + { + gchar *val = g_strconcat (language, + (i & COMPONENT_TERRITORY) ? territory : "", + (i & COMPONENT_CODESET) ? codeset : "", + (i & COMPONENT_MODIFIER) ? modifier : "", + NULL); + g_ptr_array_add (array, val); + } + } + + g_free (language); + if (mask & COMPONENT_CODESET) + g_free (codeset); + if (mask & COMPONENT_TERRITORY) + g_free (territory); + if (mask & COMPONENT_MODIFIER) + g_free (modifier); +} + +/** + * g_get_locale_variants: + * @locale: a locale identifier + * + * Returns a list of derived variants of @locale, which can be used to + * e.g. construct locale-dependent filenames or search paths. The returned + * list is sorted from most desirable to least desirable. + * This function handles territory, charset and extra locale modifiers. + * + * For example, if @locale is "fr_BE", then the returned list + * is "fr_BE", "fr". + * + * If you need the list of variants for the current locale, + * use g_get_language_names(). + * + * Returns: (transfer full) (array zero-terminated=1) (element-type utf8): a newly + * allocated array of newly allocated strings with the locale variants. Free with + * g_strfreev(). + * + * Since: 2.28 + */ +gchar ** +g_get_locale_variants (const gchar *locale) +{ + GPtrArray *array; + + g_return_val_if_fail (locale != NULL, NULL); + + array = g_ptr_array_sized_new (8); + append_locale_variants (array, locale); + g_ptr_array_add (array, NULL); + + return (gchar **) g_ptr_array_free (array, FALSE); +} + +/* The following is (partly) taken from the gettext package. + Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. */ + +static const gchar * +guess_category_value (const gchar *category_name) +{ + const gchar *retval; + + /* The highest priority value is the `LANGUAGE' environment + variable. This is a GNU extension. */ + retval = g_getenv ("LANGUAGE"); + if ((retval != NULL) && (retval[0] != '\0')) + return retval; + + /* `LANGUAGE' is not set. So we have to proceed with the POSIX + methods of looking to `LC_ALL', `LC_xxx', and `LANG'. On some + systems this can be done by the `setlocale' function itself. */ + + /* Setting of LC_ALL overwrites all other. */ + retval = g_getenv ("LC_ALL"); + if ((retval != NULL) && (retval[0] != '\0')) + return retval; + + /* Next comes the name of the desired category. */ + retval = g_getenv (category_name); + if ((retval != NULL) && (retval[0] != '\0')) + return retval; + + /* Last possibility is the LANG environment variable. */ + retval = g_getenv ("LANG"); + if ((retval != NULL) && (retval[0] != '\0')) + return retval; + +#ifdef G_PLATFORM_WIN32 + /* g_win32_getlocale() first checks for LC_ALL, LC_MESSAGES and + * LANG, which we already did above. Oh well. The main point of + * calling g_win32_getlocale() is to get the thread's locale as used + * by Windows and the Microsoft C runtime (in the "English_United + * States" format) translated into the Unixish format. + */ + { + char *locale = g_win32_getlocale (); + retval = g_intern_string (locale); + g_free (locale); + return retval; + } +#endif + + return NULL; +} + +typedef struct _GLanguageNamesCache GLanguageNamesCache; + +struct _GLanguageNamesCache { + gchar *languages; + gchar **language_names; +}; + +static void +language_names_cache_free (gpointer data) +{ + GLanguageNamesCache *cache = data; + g_free (cache->languages); + g_strfreev (cache->language_names); + g_free (cache); +} + +/** + * g_get_language_names: + * + * Computes a list of applicable locale names, which can be used to + * e.g. construct locale-dependent filenames or search paths. The returned + * list is sorted from most desirable to least desirable and always contains + * the default locale "C". + * + * For example, if LANGUAGE=de:en_US, then the returned list is + * "de", "en_US", "en", "C". + * + * This function consults the environment variables LANGUAGE, + * LC_ALL, LC_MESSAGES and LANG + * to find the list of locales specified by the user. + * + * Return value: (array zero-terminated=1) (transfer none): a %NULL-terminated array of strings owned by GLib + * that must not be modified or freed. + * + * Since: 2.6 + **/ +const gchar * const * +g_get_language_names (void) +{ + static GStaticPrivate cache_private = G_STATIC_PRIVATE_INIT; + GLanguageNamesCache *cache = g_static_private_get (&cache_private); + const gchar *value; + + if (!cache) + { + cache = g_new0 (GLanguageNamesCache, 1); + g_static_private_set (&cache_private, cache, language_names_cache_free); + } + + value = guess_category_value ("LC_MESSAGES"); + if (!value) + value = "C"; + + if (!(cache->languages && strcmp (cache->languages, value) == 0)) + { + GPtrArray *array; + gchar **alist, **a; + + g_free (cache->languages); + g_strfreev (cache->language_names); + cache->languages = g_strdup (value); + + array = g_ptr_array_sized_new (8); + + alist = g_strsplit (value, ":", 0); + for (a = alist; *a; a++) + append_locale_variants (array, unalias_lang (*a)); + g_strfreev (alist); + g_ptr_array_add (array, g_strdup ("C")); + g_ptr_array_add (array, NULL); + + cache->language_names = (gchar **) g_ptr_array_free (array, FALSE); + } + + return (const gchar * const *) cache->language_names; +} + +/** + * g_direct_hash: + * @v: a #gpointer key + * + * Converts a gpointer to a hash value. + * It can be passed to g_hash_table_new() as the @hash_func parameter, + * when using pointers as keys in a #GHashTable. + * + * Returns: a hash value corresponding to the key. + */ +guint +g_direct_hash (gconstpointer v) +{ + return GPOINTER_TO_UINT (v); +} + +/** + * g_direct_equal: + * @v1: a key. + * @v2: a key to compare with @v1. + * + * Compares two #gpointer arguments and returns %TRUE if they are equal. + * It can be passed to g_hash_table_new() as the @key_equal_func + * parameter, when using pointers as keys in a #GHashTable. + * + * Returns: %TRUE if the two keys match. + */ +gboolean +g_direct_equal (gconstpointer v1, + gconstpointer v2) +{ + return v1 == v2; +} + +/** + * g_int_equal: + * @v1: a pointer to a #gint key. + * @v2: a pointer to a #gint key to compare with @v1. + * + * Compares the two #gint values being pointed to and returns + * %TRUE if they are equal. + * It can be passed to g_hash_table_new() as the @key_equal_func + * parameter, when using pointers to integers as keys in a #GHashTable. + * + * Returns: %TRUE if the two keys match. + */ +gboolean +g_int_equal (gconstpointer v1, + gconstpointer v2) +{ + return *((const gint*) v1) == *((const gint*) v2); +} + +/** + * g_int_hash: + * @v: a pointer to a #gint key + * + * Converts a pointer to a #gint to a hash value. + * It can be passed to g_hash_table_new() as the @hash_func parameter, + * when using pointers to integers values as keys in a #GHashTable. + * + * Returns: a hash value corresponding to the key. + */ +guint +g_int_hash (gconstpointer v) +{ + return *(const gint*) v; +} + +/** + * g_int64_equal: + * @v1: a pointer to a #gint64 key. + * @v2: a pointer to a #gint64 key to compare with @v1. + * + * Compares the two #gint64 values being pointed to and returns + * %TRUE if they are equal. + * It can be passed to g_hash_table_new() as the @key_equal_func + * parameter, when using pointers to 64-bit integers as keys in a #GHashTable. + * + * Returns: %TRUE if the two keys match. + * + * Since: 2.22 + */ +gboolean +g_int64_equal (gconstpointer v1, + gconstpointer v2) +{ + return *((const gint64*) v1) == *((const gint64*) v2); +} + +/** + * g_int64_hash: + * @v: a pointer to a #gint64 key + * + * Converts a pointer to a #gint64 to a hash value. + * It can be passed to g_hash_table_new() as the @hash_func parameter, + * when using pointers to 64-bit integers values as keys in a #GHashTable. + * + * Returns: a hash value corresponding to the key. + * + * Since: 2.22 + */ +guint +g_int64_hash (gconstpointer v) +{ + return (guint) *(const gint64*) v; +} + +/** + * g_double_equal: + * @v1: a pointer to a #gdouble key. + * @v2: a pointer to a #gdouble key to compare with @v1. + * + * Compares the two #gdouble values being pointed to and returns + * %TRUE if they are equal. + * It can be passed to g_hash_table_new() as the @key_equal_func + * parameter, when using pointers to doubles as keys in a #GHashTable. + * + * Returns: %TRUE if the two keys match. + * + * Since: 2.22 + */ +gboolean +g_double_equal (gconstpointer v1, + gconstpointer v2) +{ + return *((const gdouble*) v1) == *((const gdouble*) v2); +} + +/** + * g_double_hash: + * @v: a pointer to a #gdouble key + * + * Converts a pointer to a #gdouble to a hash value. + * It can be passed to g_hash_table_new() as the @hash_func parameter, + * when using pointers to doubles as keys in a #GHashTable. + * + * Returns: a hash value corresponding to the key. + * + * Since: 2.22 + */ +guint +g_double_hash (gconstpointer v) +{ + return (guint) *(const gdouble*) v; +} + +/** + * g_nullify_pointer: + * @nullify_location: the memory address of the pointer. + * + * Set the pointer at the specified location to %NULL. + **/ +void +g_nullify_pointer (gpointer *nullify_location) +{ + g_return_if_fail (nullify_location != NULL); + + *nullify_location = NULL; +} + +/* This is called from g_thread_init(). It's used to + * initialize some static data in a threadsafe way. + */ +void +_g_utils_thread_init (void) +{ + g_get_language_names (); +} + +#ifdef G_OS_WIN32 + +/** + * _glib_get_locale_dir: + * + * Return the path to the share\locale or lib\locale subfolder of the + * GLib installation folder. The path is in the system codepage. We + * have to use system codepage as bindtextdomain() doesn't have a + * UTF-8 interface. + */ +gchar * +_glib_get_locale_dir (void) +{ + gchar *install_dir = NULL, *locale_dir; + gchar *retval = NULL; + + if (glib_dll != NULL) + install_dir = g_win32_get_package_installation_directory_of_module (glib_dll); + + if (install_dir) + { + /* + * Append "/share/locale" or "/lib/locale" depending on whether + * autoconfigury detected GNU gettext or not. + */ + const char *p = GLIB_LOCALE_DIR + strlen (GLIB_LOCALE_DIR); + while (*--p != '/') + ; + while (*--p != '/') + ; + + locale_dir = g_build_filename (install_dir, p, NULL); + + retval = g_win32_locale_filename_from_utf8 (locale_dir); + + g_free (install_dir); + g_free (locale_dir); + } + + if (retval) + return retval; + else + return g_strdup (""); +} + +#undef GLIB_LOCALE_DIR + +#endif /* G_OS_WIN32 */ + +static void +ensure_gettext_initialized(void) +{ + static gboolean _glib_gettext_initialized = FALSE; + + if (!_glib_gettext_initialized) + { +#ifdef G_OS_WIN32 + gchar *tmp = _glib_get_locale_dir (); + bindtextdomain (GETTEXT_PACKAGE, tmp); + g_free (tmp); +#else + bindtextdomain (GETTEXT_PACKAGE, GLIB_LOCALE_DIR); +#endif +# ifdef HAVE_BIND_TEXTDOMAIN_CODESET + bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); +# endif + _glib_gettext_initialized = TRUE; + } +} + +/** + * glib_gettext: + * @str: The string to be translated + * + * Returns the translated string from the glib translations. + * This is an internal function and should only be used by + * the internals of glib (such as libgio). + * + * Returns: the transation of @str to the current locale + */ +const gchar * +glib_gettext (const gchar *str) +{ + ensure_gettext_initialized(); + + return g_dgettext (GETTEXT_PACKAGE, str); +} + +/** + * glib_pgettext: + * @msgctxtid: a combined message context and message id, separated + * by a \004 character + * @msgidoffset: the offset of the message id in @msgctxid + * + * This function is a variant of glib_gettext() which supports + * a disambiguating message context. See g_dpgettext() for full + * details. + * + * This is an internal function and should only be used by + * the internals of glib (such as libgio). + * + * Returns: the transation of @str to the current locale + */ +const gchar * +glib_pgettext(const gchar *msgctxtid, + gsize msgidoffset) +{ + ensure_gettext_initialized(); + + return g_dpgettext (GETTEXT_PACKAGE, msgctxtid, msgidoffset); +} + +#if defined (G_OS_WIN32) && !defined (_WIN64) + +/* Binary compatibility versions. Not for newly compiled code. */ + +#undef g_find_program_in_path + +gchar* +g_find_program_in_path (const gchar *program) +{ + gchar *utf8_program = g_locale_to_utf8 (program, -1, NULL, NULL, NULL); + gchar *utf8_retval = g_find_program_in_path_utf8 (utf8_program); + gchar *retval; + + g_free (utf8_program); + if (utf8_retval == NULL) + return NULL; + retval = g_locale_from_utf8 (utf8_retval, -1, NULL, NULL, NULL); + g_free (utf8_retval); + + return retval; +} + +#undef g_get_current_dir + +gchar* +g_get_current_dir (void) +{ + gchar *utf8_dir = g_get_current_dir_utf8 (); + gchar *dir = g_locale_from_utf8 (utf8_dir, -1, NULL, NULL, NULL); + g_free (utf8_dir); + return dir; +} + +#undef g_getenv + +const gchar * +g_getenv (const gchar *variable) +{ + gchar *utf8_variable = g_locale_to_utf8 (variable, -1, NULL, NULL, NULL); + const gchar *utf8_value = g_getenv_utf8 (utf8_variable); + gchar *value; + GQuark quark; + + g_free (utf8_variable); + if (!utf8_value) + return NULL; + value = g_locale_from_utf8 (utf8_value, -1, NULL, NULL, NULL); + quark = g_quark_from_string (value); + g_free (value); + + return g_quark_to_string (quark); +} + +#undef g_setenv + +gboolean +g_setenv (const gchar *variable, + const gchar *value, + gboolean overwrite) +{ + gchar *utf8_variable = g_locale_to_utf8 (variable, -1, NULL, NULL, NULL); + gchar *utf8_value = g_locale_to_utf8 (value, -1, NULL, NULL, NULL); + gboolean retval = g_setenv_utf8 (utf8_variable, utf8_value, overwrite); + + g_free (utf8_variable); + g_free (utf8_value); + + return retval; +} + +#undef g_unsetenv + +void +g_unsetenv (const gchar *variable) +{ + gchar *utf8_variable = g_locale_to_utf8 (variable, -1, NULL, NULL, NULL); + + g_unsetenv_utf8 (utf8_variable); + + g_free (utf8_variable); +} + +#undef g_get_user_name + +const gchar * +g_get_user_name (void) +{ + g_get_any_init_locked (); + return g_user_name_cp; +} + +#undef g_get_real_name + +const gchar * +g_get_real_name (void) +{ + g_get_any_init_locked (); + return g_real_name_cp; +} + +#undef g_get_home_dir + +const gchar * +g_get_home_dir (void) +{ + g_get_any_init_locked (); + return g_home_dir_cp; +} + +#undef g_get_tmp_dir + +const gchar * +g_get_tmp_dir (void) +{ + g_get_any_init_locked (); + return g_tmp_dir_cp; +} + +#endif diff --git a/deps/glib/gutils.h b/deps/glib/gutils.h new file mode 100644 index 0000000..a0f3cf6 --- /dev/null +++ b/deps/glib/gutils.h @@ -0,0 +1,528 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) +#error "Only can be included directly." +#endif + +#ifndef __G_UTILS_H__ +#define __G_UTILS_H__ + +#include +#include + +G_BEGIN_DECLS + +#ifdef G_OS_WIN32 + +/* On Win32, the canonical directory separator is the backslash, and + * the search path separator is the semicolon. Note that also the + * (forward) slash works as directory separator. + */ +#define G_DIR_SEPARATOR '\\' +#define G_DIR_SEPARATOR_S "\\" +#define G_IS_DIR_SEPARATOR(c) ((c) == G_DIR_SEPARATOR || (c) == '/') +#define G_SEARCHPATH_SEPARATOR ';' +#define G_SEARCHPATH_SEPARATOR_S ";" + +#else /* !G_OS_WIN32 */ + +/* Unix */ + +#define G_DIR_SEPARATOR '/' +#define G_DIR_SEPARATOR_S "/" +#define G_IS_DIR_SEPARATOR(c) ((c) == G_DIR_SEPARATOR) +#define G_SEARCHPATH_SEPARATOR ':' +#define G_SEARCHPATH_SEPARATOR_S ":" + +#endif /* !G_OS_WIN32 */ + +/* Define G_VA_COPY() to do the right thing for copying va_list variables. + * glibconfig.h may have already defined G_VA_COPY as va_copy or __va_copy. + */ +#if !defined (G_VA_COPY) +# if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32)) +# define G_VA_COPY(ap1, ap2) (*(ap1) = *(ap2)) +# elif defined (G_VA_COPY_AS_ARRAY) +# define G_VA_COPY(ap1, ap2) g_memmove ((ap1), (ap2), sizeof (va_list)) +# else /* va_list is a pointer */ +# define G_VA_COPY(ap1, ap2) ((ap1) = (ap2)) +# endif /* va_list is a pointer */ +#endif /* !G_VA_COPY */ + +/* inlining hassle. for compilers that don't allow the `inline' keyword, + * mostly because of strict ANSI C compliance or dumbness, we try to fall + * back to either `__inline__' or `__inline'. + * G_CAN_INLINE is defined in glibconfig.h if the compiler seems to be + * actually *capable* to do function inlining, in which case inline + * function bodies do make sense. we also define G_INLINE_FUNC to properly + * export the function prototypes if no inlining can be performed. + * inline function bodies have to be special cased with G_CAN_INLINE and a + * .c file specific macro to allow one compiled instance with extern linkage + * of the functions by defining G_IMPLEMENT_INLINES and the .c file macro. + */ +#if defined (G_HAVE_INLINE) && defined (__GNUC__) && defined (__STRICT_ANSI__) +# undef inline +# define inline __inline__ +#elif !defined (G_HAVE_INLINE) +# undef inline +# if defined (G_HAVE___INLINE__) +# define inline __inline__ +# elif defined (G_HAVE___INLINE) +# define inline __inline +# else /* !inline && !__inline__ && !__inline */ +# define inline /* don't inline, then */ +# endif +#endif +#ifdef G_IMPLEMENT_INLINES +# define G_INLINE_FUNC +# undef G_CAN_INLINE +#elif defined (__GNUC__) +# define G_INLINE_FUNC static __inline __attribute__ ((unused)) +#elif defined (G_CAN_INLINE) +# define G_INLINE_FUNC static inline +#else /* can't inline */ +# define G_INLINE_FUNC +#endif /* !G_INLINE_FUNC */ + +#ifndef __GTK_DOC_IGNORE__ +#ifdef G_OS_WIN32 +#define g_get_user_name g_get_user_name_utf8 +#define g_get_real_name g_get_real_name_utf8 +#define g_get_home_dir g_get_home_dir_utf8 +#define g_get_tmp_dir g_get_tmp_dir_utf8 +#endif +#endif + +const gchar * g_get_user_name (void); +const gchar * g_get_real_name (void); +const gchar * g_get_home_dir (void); +const gchar * g_get_tmp_dir (void); +const gchar * g_get_host_name (void); +gchar * g_get_prgname (void); +void g_set_prgname (const gchar *prgname); +const gchar * g_get_application_name (void); +void g_set_application_name (const gchar *application_name); + +void g_reload_user_special_dirs_cache (void); +const gchar * g_get_user_data_dir (void); +const gchar * g_get_user_config_dir (void); +const gchar * g_get_user_cache_dir (void); +const gchar * const * g_get_system_data_dirs (void); + +#ifdef G_OS_WIN32 +/* This functions is not part of the public GLib API */ +const gchar * const * g_win32_get_system_data_dirs_for_module (void (*address_of_function)(void)); +#endif + +#if defined (G_OS_WIN32) && defined (G_CAN_INLINE) && !defined (__cplusplus) +/* This function is not part of the public GLib API either. Just call + * g_get_system_data_dirs() in your code, never mind that that is + * actually a macro and you will in fact call this inline function. + */ +static inline const gchar * const * +_g_win32_get_system_data_dirs (void) +{ + return g_win32_get_system_data_dirs_for_module ((void (*)(void)) &_g_win32_get_system_data_dirs); +} +#define g_get_system_data_dirs _g_win32_get_system_data_dirs +#endif + +const gchar * const * g_get_system_config_dirs (void); + +const gchar * g_get_user_runtime_dir (void); + +const gchar * const * g_get_language_names (void); + +gchar **g_get_locale_variants (const gchar *locale); + +/** + * GUserDirectory: + * @G_USER_DIRECTORY_DESKTOP: the user's Desktop directory + * @G_USER_DIRECTORY_DOCUMENTS: the user's Documents directory + * @G_USER_DIRECTORY_DOWNLOAD: the user's Downloads directory + * @G_USER_DIRECTORY_MUSIC: the user's Music directory + * @G_USER_DIRECTORY_PICTURES: the user's Pictures directory + * @G_USER_DIRECTORY_PUBLIC_SHARE: the user's shared directory + * @G_USER_DIRECTORY_TEMPLATES: the user's Templates directory + * @G_USER_DIRECTORY_VIDEOS: the user's Movies directory + * @G_USER_N_DIRECTORIES: the number of enum values + * + * These are logical ids for special directories which are defined + * depending on the platform used. You should use g_get_user_special_dir() + * to retrieve the full path associated to the logical id. + * + * The #GUserDirectory enumeration can be extended at later date. Not + * every platform has a directory for every logical id in this + * enumeration. + * + * Since: 2.14 + */ +typedef enum { + G_USER_DIRECTORY_DESKTOP, + G_USER_DIRECTORY_DOCUMENTS, + G_USER_DIRECTORY_DOWNLOAD, + G_USER_DIRECTORY_MUSIC, + G_USER_DIRECTORY_PICTURES, + G_USER_DIRECTORY_PUBLIC_SHARE, + G_USER_DIRECTORY_TEMPLATES, + G_USER_DIRECTORY_VIDEOS, + + G_USER_N_DIRECTORIES +} GUserDirectory; + +const gchar * g_get_user_special_dir (GUserDirectory directory); + +/** + * GDebugKey: + * @key: the string + * @value: the flag + * + * Associates a string with a bit flag. + * Used in g_parse_debug_string(). + */ +typedef struct _GDebugKey GDebugKey; +struct _GDebugKey +{ + const gchar *key; + guint value; +}; + +/* Miscellaneous utility functions + */ +guint g_parse_debug_string (const gchar *string, + const GDebugKey *keys, + guint nkeys); + +gint g_snprintf (gchar *string, + gulong n, + gchar const *format, + ...) G_GNUC_PRINTF (3, 4); +gint g_vsnprintf (gchar *string, + gulong n, + gchar const *format, + va_list args); + +/* Check if a file name is an absolute path */ +gboolean g_path_is_absolute (const gchar *file_name); + +/* In case of absolute paths, skip the root part */ +const gchar * g_path_skip_root (const gchar *file_name); + +#ifndef G_DISABLE_DEPRECATED + +const gchar * g_basename (const gchar *file_name); +#define g_dirname g_path_get_dirname + +#endif /* G_DISABLE_DEPRECATED */ + +#ifndef __GTK_DOC_IGNORE__ +#ifdef G_OS_WIN32 +#define g_get_current_dir g_get_current_dir_utf8 +#endif +#endif + +/* The returned strings are newly allocated with g_malloc() */ +gchar* g_get_current_dir (void); +gchar* g_path_get_basename (const gchar *file_name) G_GNUC_MALLOC; +gchar* g_path_get_dirname (const gchar *file_name) G_GNUC_MALLOC; + +/* Set the pointer at the specified location to NULL */ +void g_nullify_pointer (gpointer *nullify_location); + +/* return the environment string for the variable. The returned memory + * must not be freed. */ +#ifndef __GTK_DOC_IGNORE__ +#ifdef G_OS_WIN32 +#define g_getenv g_getenv_utf8 +#define g_setenv g_setenv_utf8 +#define g_unsetenv g_unsetenv_utf8 +#define g_find_program_in_path g_find_program_in_path_utf8 +#endif +#endif + +const gchar * g_getenv (const gchar *variable); +gboolean g_setenv (const gchar *variable, + const gchar *value, + gboolean overwrite); +void g_unsetenv (const gchar *variable); +gchar** g_listenv (void); +gchar** g_get_environ (void); + +/* private */ +const gchar* _g_getenv_nomalloc (const gchar *variable, + gchar buffer[1024]); + +/** + * GVoidFunc: + * + * Declares a type of function which takes no arguments + * and has no return value. It is used to specify the type + * function passed to g_atexit(). + */ +typedef void (*GVoidFunc) (void); +#ifndef ATEXIT +# define ATEXIT(proc) g_ATEXIT(proc) +#else +# define G_NATIVE_ATEXIT +#endif /* ATEXIT */ +/* we use a GLib function as a replacement for ATEXIT, so + * the programmer is not required to check the return value + * (if there is any in the implementation) and doesn't encounter + * missing include files. + */ +void g_atexit (GVoidFunc func); + +#ifdef G_OS_WIN32 +/* It's a bad idea to wrap atexit() on Windows. If the GLib DLL calls + * atexit(), the function will be called when the GLib DLL is detached + * from the program, which is not what the caller wants. The caller + * wants the function to be called when it *itself* exits (or is + * detached, in case the caller, too, is a DLL). + */ +#if (defined(__MINGW_H) && !defined(_STDLIB_H_)) || (defined(_MSC_VER) && !defined(_INC_STDLIB)) +int atexit (void (*)(void)); +#endif +#define g_atexit(func) atexit(func) +#endif + +/* Look for an executable in PATH, following execvp() rules */ +gchar* g_find_program_in_path (const gchar *program); + +/* Bit tests + */ +G_INLINE_FUNC gint g_bit_nth_lsf (gulong mask, + gint nth_bit) G_GNUC_CONST; +G_INLINE_FUNC gint g_bit_nth_msf (gulong mask, + gint nth_bit) G_GNUC_CONST; +G_INLINE_FUNC guint g_bit_storage (gulong number) G_GNUC_CONST; + +/* Trash Stacks + * elements need to be >= sizeof (gpointer) + */ +typedef struct _GTrashStack GTrashStack; +struct _GTrashStack +{ + GTrashStack *next; +}; + +G_INLINE_FUNC void g_trash_stack_push (GTrashStack **stack_p, + gpointer data_p); +G_INLINE_FUNC gpointer g_trash_stack_pop (GTrashStack **stack_p); +G_INLINE_FUNC gpointer g_trash_stack_peek (GTrashStack **stack_p); +G_INLINE_FUNC guint g_trash_stack_height (GTrashStack **stack_p); + +/* inline function implementations + */ +#if defined (G_CAN_INLINE) || defined (__G_UTILS_C__) +G_INLINE_FUNC gint +g_bit_nth_lsf (gulong mask, + gint nth_bit) +{ + if (G_UNLIKELY (nth_bit < -1)) + nth_bit = -1; + while (nth_bit < ((GLIB_SIZEOF_LONG * 8) - 1)) + { + nth_bit++; + if (mask & (1UL << nth_bit)) + return nth_bit; + } + return -1; +} +G_INLINE_FUNC gint +g_bit_nth_msf (gulong mask, + gint nth_bit) +{ + if (nth_bit < 0 || G_UNLIKELY (nth_bit > GLIB_SIZEOF_LONG * 8)) + nth_bit = GLIB_SIZEOF_LONG * 8; + while (nth_bit > 0) + { + nth_bit--; + if (mask & (1UL << nth_bit)) + return nth_bit; + } + return -1; +} +G_INLINE_FUNC guint +g_bit_storage (gulong number) +{ +#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__) + return G_LIKELY (number) ? + ((GLIB_SIZEOF_LONG * 8U - 1) ^ __builtin_clzl(number)) + 1 : 1; +#else + register guint n_bits = 0; + + do + { + n_bits++; + number >>= 1; + } + while (number); + return n_bits; +#endif +} +G_INLINE_FUNC void +g_trash_stack_push (GTrashStack **stack_p, + gpointer data_p) +{ + GTrashStack *data = (GTrashStack *) data_p; + + data->next = *stack_p; + *stack_p = data; +} +G_INLINE_FUNC gpointer +g_trash_stack_pop (GTrashStack **stack_p) +{ + GTrashStack *data; + + data = *stack_p; + if (data) + { + *stack_p = data->next; + /* NULLify private pointer here, most platforms store NULL as + * subsequent 0 bytes + */ + data->next = NULL; + } + + return data; +} +G_INLINE_FUNC gpointer +g_trash_stack_peek (GTrashStack **stack_p) +{ + GTrashStack *data; + + data = *stack_p; + + return data; +} +G_INLINE_FUNC guint +g_trash_stack_height (GTrashStack **stack_p) +{ + GTrashStack *data; + guint i = 0; + + for (data = *stack_p; data; data = data->next) + i++; + + return i; +} +#endif /* G_CAN_INLINE || __G_UTILS_C__ */ + +/* Glib version. + * we prefix variable declarations so they can + * properly get exported in windows dlls. + */ +GLIB_VAR const guint glib_major_version; +GLIB_VAR const guint glib_minor_version; +GLIB_VAR const guint glib_micro_version; +GLIB_VAR const guint glib_interface_age; +GLIB_VAR const guint glib_binary_age; + +const gchar * glib_check_version (guint required_major, + guint required_minor, + guint required_micro); + +/** + * GLIB_CHECK_VERSION: + * @major: the major version to check for + * @minor: the minor version to check for + * @micro: the micro version to check for + * + * Checks the version of the GLib library that is being compiled + * against. + * + * + * Checking the version of the GLib library + * + * if (!GLIB_CHECK_VERSION (1, 2, 0)) + * g_error ("GLib version 1.2.0 or above is needed"); + * + * + * + * See glib_check_version() for a runtime check. + * + * Returns: %TRUE if the version of the GLib header files + * is the same as or newer than the passed-in version. + */ +#define GLIB_CHECK_VERSION(major,minor,micro) \ + (GLIB_MAJOR_VERSION > (major) || \ + (GLIB_MAJOR_VERSION == (major) && GLIB_MINOR_VERSION > (minor)) || \ + (GLIB_MAJOR_VERSION == (major) && GLIB_MINOR_VERSION == (minor) && \ + GLIB_MICRO_VERSION >= (micro))) + +G_END_DECLS + +#ifndef G_DISABLE_DEPRECATED + +/* + * This macro is deprecated. This DllMain() is too complex. It is + * recommended to write an explicit minimal DLlMain() that just saves + * the handle to the DLL and then use that handle instead, for + * instance passing it to + * g_win32_get_package_installation_directory_of_module(). + * + * On Windows, this macro defines a DllMain function that stores the + * actual DLL name that the code being compiled will be included in. + * STATIC should be empty or 'static'. DLL_NAME is the name of the + * (pointer to the) char array where the DLL name will be stored. If + * this is used, you must also include . If you need a more complex + * DLL entry point function, you cannot use this. + * + * On non-Windows platforms, expands to nothing. + */ + +#ifndef G_PLATFORM_WIN32 +# define G_WIN32_DLLMAIN_FOR_DLL_NAME(static, dll_name) +#else +# define G_WIN32_DLLMAIN_FOR_DLL_NAME(static, dll_name) \ +static char *dll_name; \ + \ +BOOL WINAPI \ +DllMain (HINSTANCE hinstDLL, \ + DWORD fdwReason, \ + LPVOID lpvReserved) \ +{ \ + wchar_t wcbfr[1000]; \ + char *tem; \ + switch (fdwReason) \ + { \ + case DLL_PROCESS_ATTACH: \ + GetModuleFileNameW ((HMODULE) hinstDLL, wcbfr, G_N_ELEMENTS (wcbfr)); \ + tem = g_utf16_to_utf8 (wcbfr, -1, NULL, NULL, NULL); \ + dll_name = g_path_get_basename (tem); \ + g_free (tem); \ + break; \ + } \ + \ + return TRUE; \ +} + +#endif /* !G_DISABLE_DEPRECATED */ + +#endif /* G_PLATFORM_WIN32 */ + +#endif /* __G_UTILS_H__ */ diff --git a/deps/gmodule/Makefile.am b/deps/gmodule/Makefile.am new file mode 100644 index 0000000..73991a0 --- /dev/null +++ b/deps/gmodule/Makefile.am @@ -0,0 +1,32 @@ + +noinst_LTLIBRARIES = libgmodule.la + +libgmodule_la_CPPFLAGS = \ + -I$(top_srcdir) \ + -I$(top_srcdir)/deps \ + -I$(top_srcdir)/deps/glib \ + -I$(top_builddir)/deps/glib \ + -Wall \ + $(NULL) + +EXTRA_DIST = \ + gmoduleconf.h.in \ + gmodule-dl.c \ + gmodule-dld.c \ + gmodule-dyld.c \ + gmodule-win32.c \ + gmoduleconf.h.win32 \ + $(NULL) + +BUILT_SOURCES = gmoduleconf.h +gmoduleconf.h: gmoduleconf.h.in + +libgmodule_la_SOURCES = gmodule.c +libgmodule_la_LIBADD = \ + $(G_MODULE_LIBS_EXTRA) \ + $(G_MODULE_LIBS) \ + $(top_builddir)/deps/glib/$(libglib) \ + $(NULL) +libgmodule_la_LDFLAGS = \ + $(G_MODULE_LDFLAGS) \ + $(NULL) diff --git a/deps/gmodule/Makefile.in b/deps/gmodule/Makefile.in new file mode 100644 index 0000000..e2e6e1d --- /dev/null +++ b/deps/gmodule/Makefile.in @@ -0,0 +1,766 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am + +gmoduleconf.h: gmoduleconf.h.in + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/deps/gmodule/README b/deps/gmodule/README new file mode 100644 index 0000000..74be42b --- /dev/null +++ b/deps/gmodule/README @@ -0,0 +1,4 @@ +gmodule is taken from the same glib version as deps/glib. + +The only modification is to drop the support for .la libtool archive, which +avoid pulling in GParser (and its dependencies). diff --git a/deps/gmodule/gmodule-dl.c b/deps/gmodule/gmodule-dl.c new file mode 100644 index 0000000..035b2a9 --- /dev/null +++ b/deps/gmodule/gmodule-dl.c @@ -0,0 +1,168 @@ +/* GMODULE - GLIB wrapper code for dynamic module loading + * Copyright (C) 1998, 2000 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ +#include "config.h" + +#include + +/* Perl includes and instead of on some systmes? */ + + +/* dlerror() is not implemented on all systems + */ +#ifndef G_MODULE_HAVE_DLERROR +# ifdef __NetBSD__ +# define dlerror() g_strerror (errno) +# else /* !__NetBSD__ */ +/* could we rely on errno's state here? */ +# define dlerror() "unknown dl-error" +# endif /* !__NetBSD__ */ +#endif /* G_MODULE_HAVE_DLERROR */ + +/* some flags are missing on some systems, so we provide + * harmless defaults. + * The Perl sources say, RTLD_LAZY needs to be defined as (1), + * at least for Solaris 1. + * + * Mandatory: + * RTLD_LAZY - resolve undefined symbols as code from the dynamic library + * is executed. + * RTLD_NOW - resolve all undefined symbols before dlopen returns, and fail + * if this cannot be done. + * Optionally: + * RTLD_GLOBAL - the external symbols defined in the library will be made + * available to subsequently loaded libraries. + */ +#ifndef RTLD_LAZY +#define RTLD_LAZY 1 +#endif /* RTLD_LAZY */ +#ifndef RTLD_NOW +#define RTLD_NOW 0 +#endif /* RTLD_NOW */ +/* some systems (OSF1 V5.0) have broken RTLD_GLOBAL linkage */ +#ifdef G_MODULE_BROKEN_RTLD_GLOBAL +#undef RTLD_GLOBAL +#endif /* G_MODULE_BROKEN_RTLD_GLOBAL */ +#ifndef RTLD_GLOBAL +#define RTLD_GLOBAL 0 +#endif /* RTLD_GLOBAL */ + + +/* --- functions --- */ +static gchar* +fetch_dlerror (gboolean replace_null) +{ + gchar *msg = dlerror (); + + /* make sure we always return an error message != NULL, if + * expected to do so. */ + + if (!msg && replace_null) + return "unknown dl-error"; + + return msg; +} + +static gpointer +_g_module_open (const gchar *file_name, + gboolean bind_lazy, + gboolean bind_local) +{ + gpointer handle; + + handle = dlopen (file_name, + (bind_local ? 0 : RTLD_GLOBAL) | (bind_lazy ? RTLD_LAZY : RTLD_NOW)); + if (!handle) + g_module_set_error (fetch_dlerror (TRUE)); + + return handle; +} + +static gpointer +_g_module_self (void) +{ + gpointer handle; + + /* to query symbols from the program itself, special link options + * are required on some systems. + */ + + handle = dlopen (NULL, RTLD_GLOBAL | RTLD_LAZY); + if (!handle) + g_module_set_error (fetch_dlerror (TRUE)); + + return handle; +} + +static void +_g_module_close (gpointer handle, + gboolean is_unref) +{ + /* are there any systems out there that have dlopen()/dlclose() + * without a reference count implementation? + */ + is_unref |= 1; + + if (is_unref) + { + if (dlclose (handle) != 0) + g_module_set_error (fetch_dlerror (TRUE)); + } +} + +static gpointer +_g_module_symbol (gpointer handle, + const gchar *symbol_name) +{ + gpointer p; + gchar *msg; + + fetch_dlerror (FALSE); + p = dlsym (handle, symbol_name); + msg = fetch_dlerror (FALSE); + if (msg) + g_module_set_error (msg); + + return p; +} + +static gchar* +_g_module_build_path (const gchar *directory, + const gchar *module_name) +{ + if (directory && *directory) { + if (strncmp (module_name, "lib", 3) == 0) + return g_strconcat (directory, "/", module_name, NULL); + else + return g_strconcat (directory, "/lib", module_name, "." G_MODULE_SUFFIX, NULL); + } else if (strncmp (module_name, "lib", 3) == 0) + return g_strdup (module_name); + else + return g_strconcat ("lib", module_name, "." G_MODULE_SUFFIX, NULL); +} diff --git a/deps/gmodule/gmodule-dld.c b/deps/gmodule/gmodule-dld.c new file mode 100644 index 0000000..401b32f --- /dev/null +++ b/deps/gmodule/gmodule-dld.c @@ -0,0 +1,163 @@ +/* GMODULE - GLIB wrapper code for dynamic module loading + * Copyright (C) 1998, 2000 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ +#include "config.h" + +#include + + +/* some flags are missing on some systems, so we provide + * harmless defaults. + * + * Mandatory: + * BIND_IMMEDIATE - Resolve symbol references when the library is loaded. + * BIND_DEFERRED - Delay code symbol resolution until actual reference. + * + * Optionally: + * BIND_FIRST - Place the library at the head of the symbol search order. + * BIND_NONFATAL - The default BIND_IMMEDIATE behavior is to treat all unsatisfied + * symbols as fatal. This flag allows binding of unsatisfied code + * symbols to be deferred until use. + * [Perl: For certain libraries, like DCE, deferred binding often + * causes run time problems. Adding BIND_NONFATAL to BIND_IMMEDIATE + * still allows unresolved references in situations like this.] + * BIND_NOSTART - Do not call the initializer for the shared library when the + * library is loaded, nor on a future call to shl_unload(). + * BIND_VERBOSE - Print verbose messages concerning possible unsatisfied symbols. + * + * hp9000s700/hp9000s800: + * BIND_RESTRICTED - Restrict symbols visible by the library to those present at + * library load time. + * DYNAMIC_PATH - Allow the loader to dynamically search for the library specified + * by the path argument. + */ +#ifndef DYNAMIC_PATH +#define DYNAMIC_PATH 0 +#endif /* DYNAMIC_PATH */ +#ifndef BIND_RESTRICTED +#define BIND_RESTRICTED 0 +#endif /* BIND_RESTRICTED */ + +#define OPT_BIND_FLAGS (BIND_NONFATAL | BIND_VERBOSE) + + +/* --- functions --- */ + +/* + * shl_load() does not appear to support making symbols invisible to + * the global namespace. However, the default is to put the library + * last in the search order, which is approximately what we want, + * since it will cause symbols that conflict with existing symbols to + * be invisible. It is unclear if BIND_FIRST should be used when + * bind_local==0, since it may cause the loaded symbols to be used + * preferentially to the application's symbols, which is Almost + * Always Wrong. --ds + */ +static gpointer +_g_module_open (const gchar *file_name, + gboolean bind_lazy, + gboolean bind_local) +{ + shl_t shl_handle; + + shl_handle = shl_load (file_name, + (bind_lazy ? BIND_DEFERRED : BIND_IMMEDIATE) | OPT_BIND_FLAGS, 0); + if (!shl_handle) + { + /* the hp-docs say we should better abort() if errno==ENOSYM ;( */ + g_module_set_error (g_strerror (errno)); + } + + return (gpointer) shl_handle; +} + +static gpointer +_g_module_self (void) +{ + shl_t shl_handle; + + shl_handle = PROG_HANDLE; + if (!shl_handle) + g_module_set_error (g_strerror (errno)); + + return shl_handle; +} + +static void +_g_module_close (gpointer handle, + gboolean is_unref) +{ + if (!is_unref) + { + if (shl_unload ((shl_t) handle) != 0) + g_module_set_error (g_strerror (errno)); + } +} + +static gpointer +_g_module_symbol (gpointer handle, + const gchar *symbol_name) +{ + gpointer p = NULL; + + /* should we restrict lookups to TYPE_PROCEDURE? + */ + if (handle == PROG_HANDLE) + { + /* PROG_HANDLE will only lookup symbols in the program itself, not honouring + * libraries. passing NULL as a handle will also try to lookup the symbol + * in currently loaded libraries. fix pointed out and supplied by: + * David Gero + */ + handle = NULL; + } + if (shl_findsym ((shl_t*) &handle, symbol_name, TYPE_UNDEFINED, &p) != 0 || + handle == NULL || p == NULL) + { + /* the hp-docs say we should better abort() if errno==ENOSYM ;( */ + g_module_set_error (g_strerror (errno)); + } + + return p; +} + +static gchar* +_g_module_build_path (const gchar *directory, + const gchar *module_name) +{ + if (directory && *directory) + if (strncmp (module_name, "lib", 3) == 0) + return g_strconcat (directory, "/", module_name, NULL); + else + return g_strconcat (directory, "/lib", module_name, ".sl", NULL); + else if (strncmp (module_name, "lib", 3) == 0) + return g_strdup (module_name); + else + return g_strconcat ("lib", module_name, ".sl", NULL); +} diff --git a/deps/gmodule/gmodule-dyld.c b/deps/gmodule/gmodule-dyld.c new file mode 100644 index 0000000..1896b43 --- /dev/null +++ b/deps/gmodule/gmodule-dyld.c @@ -0,0 +1,154 @@ +/* GMODULE - GLIB wrapper code for dynamic module loading + * Copyright (C) 1998, 2000 Tim Janik + * + * dyld (Darwin) GMODULE implementation + * Copyright (C) 2001 Dan Winship + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +#include "config.h" + +#include + +static gpointer self_module = GINT_TO_POINTER (1); + +static gpointer +_g_module_open (const gchar *file_name, + gboolean bind_lazy, + gboolean bind_local) +{ + NSObjectFileImage image; + NSObjectFileImageReturnCode ret; + NSModule module; + unsigned long options; + char *msg; + + ret = NSCreateObjectFileImageFromFile (file_name, &image); + if (ret != NSObjectFileImageSuccess) + { + switch (ret) + { + case NSObjectFileImageInappropriateFile: + case NSObjectFileImageFormat: + msg = g_strdup_printf ("%s is not a loadable module", file_name); + break; + + case NSObjectFileImageArch: + msg = g_strdup_printf ("%s is not built for this architecture", + file_name); + break; + + case NSObjectFileImageAccess: + if (access (file_name, F_OK) == 0) + msg = g_strdup_printf ("%s: permission denied", file_name); + else + msg = g_strdup_printf ("%s: no such file or directory", file_name); + break; + + default: + msg = g_strdup_printf ("unknown error for %s", file_name); + break; + } + + g_module_set_error (msg); + g_free (msg); + return NULL; + } + + options = NSLINKMODULE_OPTION_RETURN_ON_ERROR; + if (bind_local) + options |= NSLINKMODULE_OPTION_PRIVATE; + if (!bind_lazy) + options |= NSLINKMODULE_OPTION_BINDNOW; + module = NSLinkModule (image, file_name, options); + NSDestroyObjectFileImage (image); + if (!module) + { + NSLinkEditErrors c; + int error_number; + const char *file, *error; + + NSLinkEditError (&c, &error_number, &file, &error); + msg = g_strdup_printf ("could not link %s: %s", file_name, error); + g_module_set_error (msg); + g_free (msg); + return NULL; + } + + return module; +} + +static gpointer +_g_module_self (void) +{ + return &self_module; +} + +static void +_g_module_close (gpointer handle, + gboolean is_unref) +{ + if (handle == &self_module) + return; + + if (!NSUnLinkModule (handle, 0)) + g_module_set_error ("could not unlink module"); +} + +static gpointer +_g_module_symbol (gpointer handle, + const gchar *symbol_name) +{ + NSSymbol sym; + char *msg; + + if (handle == &self_module) + { + if (NSIsSymbolNameDefined (symbol_name)) + sym = NSLookupAndBindSymbol (symbol_name); + else + sym = NULL; + } + else + sym = NSLookupSymbolInModule (handle, symbol_name); + + if (!sym) + { + msg = g_strdup_printf ("no such symbol %s", symbol_name); + g_module_set_error (msg); + g_free (msg); + return NULL; + } + + return NSAddressOfSymbol (sym); +} + +static gchar* +_g_module_build_path (const gchar *directory, + const gchar *module_name) +{ + if (directory && *directory) + { + if (strncmp (module_name, "lib", 3) == 0) + return g_strconcat (directory, "/", module_name, NULL); + else + return g_strconcat (directory, "/lib", module_name, "." G_MODULE_SUFFIX, NULL); + } + else if (strncmp (module_name, "lib", 3) == 0) + return g_strdup (module_name); + else + return g_strconcat ("lib", module_name, "." G_MODULE_SUFFIX, NULL); +} diff --git a/deps/gmodule/gmodule-win32.c b/deps/gmodule/gmodule-win32.c new file mode 100644 index 0000000..439fb5d --- /dev/null +++ b/deps/gmodule/gmodule-win32.c @@ -0,0 +1,202 @@ +/* GMODULE - GLIB wrapper code for dynamic module loading + * Copyright (C) 1998, 2000 Tim Janik + * + * Win32 GMODULE implementation + * Copyright (C) 1998 Tor Lillqvist + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ +#include "config.h" + +#include +#include + +#include + +#ifdef G_WITH_CYGWIN +#include +#endif + +static void +set_error (const gchar *format, + ...) +{ + gchar *error; + gchar *detail; + gchar *message; + va_list args; + + error = g_win32_error_message (GetLastError ()); + + va_start (args, format); + detail = g_strdup_vprintf (format, args); + va_end (args); + + message = g_strconcat (detail, error, NULL); + + g_module_set_error (message); + g_free (message); + g_free (detail); + g_free (error); +} + +/* --- functions --- */ +static gpointer +_g_module_open (const gchar *file_name, + gboolean bind_lazy, + gboolean bind_local) +{ + HINSTANCE handle; + wchar_t *wfilename; +#ifdef G_WITH_CYGWIN + gchar tmp[MAX_PATH]; + + cygwin_conv_to_win32_path(file_name, tmp); + file_name = tmp; +#endif + wfilename = g_utf8_to_utf16 (file_name, -1, NULL, NULL, NULL); + + handle = LoadLibraryW (wfilename); + g_free (wfilename); + + if (!handle) + set_error ("`%s': ", file_name); + + return handle; +} + +static gint dummy; +static gpointer null_module_handle = &dummy; + +static gpointer +_g_module_self (void) +{ + return null_module_handle; +} + +static void +_g_module_close (gpointer handle, + gboolean is_unref) +{ + if (handle != null_module_handle) + if (!FreeLibrary (handle)) + set_error (""); +} + +static gpointer +find_in_any_module_using_toolhelp (const gchar *symbol_name) +{ + HANDLE snapshot; + MODULEENTRY32 me32; + + gpointer p; + + if ((snapshot = CreateToolhelp32Snapshot (TH32CS_SNAPMODULE, 0)) == (HANDLE) -1) + return NULL; + + me32.dwSize = sizeof (me32); + p = NULL; + if (Module32First (snapshot, &me32)) + { + do { + if ((p = GetProcAddress (me32.hModule, symbol_name)) != NULL) + break; + } while (Module32Next (snapshot, &me32)); + } + + CloseHandle (snapshot); + + return p; +} + +static gpointer +find_in_any_module (const gchar *symbol_name) +{ + gpointer result; + + if ((result = find_in_any_module_using_toolhelp (symbol_name)) == NULL) + return NULL; + else + return result; +} + +static gpointer +_g_module_symbol (gpointer handle, + const gchar *symbol_name) +{ + gpointer p; + + if (handle == null_module_handle) + { + if ((p = GetProcAddress (GetModuleHandle (NULL), symbol_name)) == NULL) + p = find_in_any_module (symbol_name); + } + else + p = GetProcAddress (handle, symbol_name); + + if (!p) + set_error (""); + + return p; +} + +static gchar* +_g_module_build_path (const gchar *directory, + const gchar *module_name) +{ + gint k; + + k = strlen (module_name); + + if (directory && *directory) + if (k > 4 && g_ascii_strcasecmp (module_name + k - 4, ".dll") == 0) + return g_strconcat (directory, G_DIR_SEPARATOR_S, module_name, NULL); +#ifdef G_WITH_CYGWIN + else if (strncmp (module_name, "lib", 3) == 0 || strncmp (module_name, "cyg", 3) == 0) + return g_strconcat (directory, G_DIR_SEPARATOR_S, module_name, ".dll", NULL); + else + return g_strconcat (directory, G_DIR_SEPARATOR_S, "cyg", module_name, ".dll", NULL); +#else + else if (strncmp (module_name, "lib", 3) == 0) + return g_strconcat (directory, G_DIR_SEPARATOR_S, module_name, ".dll", NULL); + else + return g_strconcat (directory, G_DIR_SEPARATOR_S, "lib", module_name, ".dll", NULL); +#endif + else if (k > 4 && g_ascii_strcasecmp (module_name + k - 4, ".dll") == 0) + return g_strdup (module_name); +#ifdef G_WITH_CYGWIN + else if (strncmp (module_name, "lib", 3) == 0 || strncmp (module_name, "cyg", 3) == 0) + return g_strconcat (module_name, ".dll", NULL); + else + return g_strconcat ("cyg", module_name, ".dll", NULL); +#else + else if (strncmp (module_name, "lib", 3) == 0) + return g_strconcat (module_name, ".dll", NULL); + else + return g_strconcat ("lib", module_name, ".dll", NULL); +#endif +} diff --git a/deps/gmodule/gmodule.c b/deps/gmodule/gmodule.c new file mode 100644 index 0000000..460c308 --- /dev/null +++ b/deps/gmodule/gmodule.c @@ -0,0 +1,582 @@ +/* GMODULE - GLIB wrapper code for dynamic module loading + * Copyright (C) 1998 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* + * Modified by the GLib Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GLib Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GLib at ftp://ftp.gtk.org/pub/gtk/. + */ + +/* + * MT safe + */ + +#include "config.h" + +#include "glib.h" +#include "gmodule.h" + +#include +#include +#include +#include +#include +#ifdef HAVE_UNISTD_H +#include +#endif +#ifdef G_OS_WIN32 +#include /* For open() and close() prototypes. */ +#endif + +#include "gmoduleconf.h" +#include "gstdio.h" + +/* We maintain a list of modules, so we can reference count them. + * That's needed because some platforms don't support references counts on + * modules e.g. the shl_* implementation of HP-UX + * (http://www.stat.umn.edu/~luke/xls/projects/dlbasics/dlbasics.html). + * Also, the module for the program itself is kept seperatedly for + * faster access and because it has special semantics. + */ + + +/* --- structures --- */ +struct _GModule +{ + gchar *file_name; +#if defined (G_OS_WIN32) && !defined(_WIN64) + gchar *cp_file_name; +#endif + gpointer handle; + guint ref_count : 31; + guint is_resident : 1; + GModuleUnload unload; + GModule *next; +}; + + +/* --- prototypes --- */ +static gpointer _g_module_open (const gchar *file_name, + gboolean bind_lazy, + gboolean bind_local); +static void _g_module_close (gpointer handle, + gboolean is_unref); +static gpointer _g_module_self (void); +static gpointer _g_module_symbol (gpointer handle, + const gchar *symbol_name); +static gchar* _g_module_build_path (const gchar *directory, + const gchar *module_name); +static inline void g_module_set_error (const gchar *error); +static inline GModule* g_module_find_by_handle (gpointer handle); +static inline GModule* g_module_find_by_name (const gchar *name); + + +/* --- variables --- */ +static GModule *modules = NULL; +static GModule *main_module = NULL; +static GStaticPrivate module_error_private = G_STATIC_PRIVATE_INIT; +static gboolean module_debug_initialized = FALSE; +static guint module_debug_flags = 0; + + +/* --- inline functions --- */ +static inline GModule* +g_module_find_by_handle (gpointer handle) +{ + GModule *module; + GModule *retval = NULL; + + if (main_module && main_module->handle == handle) + retval = main_module; + else + for (module = modules; module; module = module->next) + if (handle == module->handle) + { + retval = module; + break; + } + + return retval; +} + +static inline GModule* +g_module_find_by_name (const gchar *name) +{ + GModule *module; + GModule *retval = NULL; + + for (module = modules; module; module = module->next) + if (strcmp (name, module->file_name) == 0) + { + retval = module; + break; + } + + return retval; +} + +static inline void +g_module_set_error_unduped (gchar *error) +{ + g_static_private_set (&module_error_private, error, g_free); + errno = 0; +} + +static inline void +g_module_set_error (const gchar *error) +{ + g_module_set_error_unduped (g_strdup (error)); +} + + +/* --- include platform specifc code --- */ +#define SUPPORT_OR_RETURN(rv) { g_module_set_error (NULL); } +#if (G_MODULE_IMPL == G_MODULE_IMPL_DL) +#include "gmodule-dl.c" +#elif (G_MODULE_IMPL == G_MODULE_IMPL_DLD) +#include "gmodule-dld.c" +#elif (G_MODULE_IMPL == G_MODULE_IMPL_WIN32) +#include "gmodule-win32.c" +#elif (G_MODULE_IMPL == G_MODULE_IMPL_DYLD) +#include "gmodule-dyld.c" +#elif (G_MODULE_IMPL == G_MODULE_IMPL_AR) +#include "gmodule-ar.c" +#else +#undef SUPPORT_OR_RETURN +#define SUPPORT_OR_RETURN(rv) { g_module_set_error ("dynamic modules are " \ + "not supported by this system"); return rv; } +static gpointer +_g_module_open (const gchar *file_name, + gboolean bind_lazy, + gboolean bind_local) +{ + return NULL; +} +static void +_g_module_close (gpointer handle, + gboolean is_unref) +{ +} +static gpointer +_g_module_self (void) +{ + return NULL; +} +static gpointer +_g_module_symbol (gpointer handle, + const gchar *symbol_name) +{ + return NULL; +} +static gchar* +_g_module_build_path (const gchar *directory, + const gchar *module_name) +{ + return NULL; +} +#endif /* no implementation */ + +/* --- functions --- */ +gboolean +g_module_supported (void) +{ + SUPPORT_OR_RETURN (FALSE); + + return TRUE; +} + +static inline gboolean +str_check_suffix (const gchar* string, + const gchar* suffix) +{ + gsize string_len = strlen (string); + gsize suffix_len = strlen (suffix); + + return string_len >= suffix_len && + strcmp (string + string_len - suffix_len, suffix) == 0; +} + +enum +{ + G_MODULE_DEBUG_RESIDENT_MODULES = 1 << 0, + G_MODULE_DEBUG_BIND_NOW_MODULES = 1 << 1 +}; + +static void +_g_module_debug_init (void) +{ + const GDebugKey keys[] = { + { "resident-modules", G_MODULE_DEBUG_RESIDENT_MODULES }, + { "bind-now-modules", G_MODULE_DEBUG_BIND_NOW_MODULES } + }; + const gchar *env; + + env = g_getenv ("G_DEBUG"); + + module_debug_flags = + !env ? 0 : g_parse_debug_string (env, keys, G_N_ELEMENTS (keys)); + + module_debug_initialized = TRUE; +} + +static GStaticRecMutex g_module_global_lock = G_STATIC_REC_MUTEX_INIT; + +GModule* +g_module_open (const gchar *file_name, + GModuleFlags flags) +{ + GModule *module; + gpointer handle = NULL; + gchar *name = NULL; + + SUPPORT_OR_RETURN (NULL); + + g_static_rec_mutex_lock (&g_module_global_lock); + + if (G_UNLIKELY (!module_debug_initialized)) + _g_module_debug_init (); + + if (module_debug_flags & G_MODULE_DEBUG_BIND_NOW_MODULES) + flags &= ~G_MODULE_BIND_LAZY; + + if (!file_name) + { + if (!main_module) + { + handle = _g_module_self (); + if (handle) + { + main_module = g_new (GModule, 1); + main_module->file_name = NULL; +#if defined (G_OS_WIN32) && !defined(_WIN64) + main_module->cp_file_name = NULL; +#endif + main_module->handle = handle; + main_module->ref_count = 1; + main_module->is_resident = TRUE; + main_module->unload = NULL; + main_module->next = NULL; + } + } + else + main_module->ref_count++; + + g_static_rec_mutex_unlock (&g_module_global_lock); + return main_module; + } + + /* we first search the module list by name */ + module = g_module_find_by_name (file_name); + if (module) + { + module->ref_count++; + + g_static_rec_mutex_unlock (&g_module_global_lock); + return module; + } + + /* check whether we have a readable file right away */ + if (g_file_test (file_name, G_FILE_TEST_IS_REGULAR)) + name = g_strdup (file_name); + /* try completing file name with standard library suffix */ + if (!name) + { + name = g_strconcat (file_name, "." G_MODULE_SUFFIX, NULL); + if (!g_file_test (name, G_FILE_TEST_IS_REGULAR)) + { + g_free (name); + name = NULL; + } + } + /* try completing by appending libtool suffix */ + if (!name) + { + name = g_strconcat (file_name, ".la", NULL); + if (!g_file_test (name, G_FILE_TEST_IS_REGULAR)) + { + g_free (name); + name = NULL; + } + } + /* we can't access() the file, lets hope the platform backends finds + * it via library paths + */ + if (!name) + { + gchar *dot = strrchr (file_name, '.'); + gchar *slash = strrchr (file_name, G_DIR_SEPARATOR); + + /* make sure the name has a suffix */ + if (!dot || dot < slash) + name = g_strconcat (file_name, "." G_MODULE_SUFFIX, NULL); + else + name = g_strdup (file_name); + } + + /* ok, try loading the module */ + if (name) + { + handle = _g_module_open (name, (flags & G_MODULE_BIND_LAZY) != 0, + (flags & G_MODULE_BIND_LOCAL) != 0); + } + else + { + gchar *display_file_name = g_filename_display_name (file_name); + g_module_set_error_unduped (g_strdup_printf ("unable to access file \"%s\"", display_file_name)); + g_free (display_file_name); + } + g_free (name); + + if (handle) + { + gchar *saved_error; + GModuleCheckInit check_init; + const gchar *check_failed = NULL; + + /* search the module list by handle, since file names are not unique */ + module = g_module_find_by_handle (handle); + if (module) + { + _g_module_close (module->handle, TRUE); + module->ref_count++; + g_module_set_error (NULL); + + g_static_rec_mutex_unlock (&g_module_global_lock); + return module; + } + + saved_error = g_strdup (g_module_error ()); + g_module_set_error (NULL); + + module = g_new (GModule, 1); + module->file_name = g_strdup (file_name); +#if defined (G_OS_WIN32) && !defined(_WIN64) + module->cp_file_name = g_locale_from_utf8 (file_name, -1, + NULL, NULL, NULL); +#endif + module->handle = handle; + module->ref_count = 1; + module->is_resident = FALSE; + module->unload = NULL; + module->next = modules; + modules = module; + + /* check initialization */ + if (g_module_symbol (module, "g_module_check_init", (gpointer) &check_init) && check_init != NULL) + check_failed = check_init (module); + + /* we don't call unload() if the initialization check failed. */ + if (!check_failed) + g_module_symbol (module, "g_module_unload", (gpointer) &module->unload); + + if (check_failed) + { + gchar *error; + + error = g_strconcat ("GModule (", file_name, ") ", + "initialization check failed: ", + check_failed, NULL); + g_module_close (module); + module = NULL; + g_module_set_error (error); + g_free (error); + } + else + g_module_set_error (saved_error); + + g_free (saved_error); + } + + if (module != NULL && + (module_debug_flags & G_MODULE_DEBUG_RESIDENT_MODULES)) + g_module_make_resident (module); + + g_static_rec_mutex_unlock (&g_module_global_lock); + return module; +} + +#if defined (G_OS_WIN32) && !defined(_WIN64) + +#undef g_module_open + +GModule* +g_module_open (const gchar *file_name, + GModuleFlags flags) +{ + gchar *utf8_file_name = g_locale_to_utf8 (file_name, -1, NULL, NULL, NULL); + GModule *retval = g_module_open_utf8 (utf8_file_name, flags); + + g_free (utf8_file_name); + + return retval; +} + +#endif + +gboolean +g_module_close (GModule *module) +{ + SUPPORT_OR_RETURN (FALSE); + + g_return_val_if_fail (module != NULL, FALSE); + g_return_val_if_fail (module->ref_count > 0, FALSE); + + g_static_rec_mutex_lock (&g_module_global_lock); + + module->ref_count--; + + if (!module->ref_count && !module->is_resident && module->unload) + { + GModuleUnload unload; + + unload = module->unload; + module->unload = NULL; + unload (module); + } + + if (!module->ref_count && !module->is_resident) + { + GModule *last; + GModule *node; + + last = NULL; + + node = modules; + while (node) + { + if (node == module) + { + if (last) + last->next = node->next; + else + modules = node->next; + break; + } + last = node; + node = last->next; + } + module->next = NULL; + + _g_module_close (module->handle, FALSE); + g_free (module->file_name); +#if defined (G_OS_WIN32) && !defined(_WIN64) + g_free (module->cp_file_name); +#endif + g_free (module); + } + + g_static_rec_mutex_unlock (&g_module_global_lock); + return g_module_error() == NULL; +} + +void +g_module_make_resident (GModule *module) +{ + g_return_if_fail (module != NULL); + + module->is_resident = TRUE; +} + +const gchar * +g_module_error (void) +{ + return g_static_private_get (&module_error_private); +} + +gboolean +g_module_symbol (GModule *module, + const gchar *symbol_name, + gpointer *symbol) +{ + const gchar *module_error; + + if (symbol) + *symbol = NULL; + SUPPORT_OR_RETURN (FALSE); + + g_return_val_if_fail (module != NULL, FALSE); + g_return_val_if_fail (symbol_name != NULL, FALSE); + g_return_val_if_fail (symbol != NULL, FALSE); + + g_static_rec_mutex_lock (&g_module_global_lock); + +#ifdef G_MODULE_NEED_USCORE + { + gchar *name; + + name = g_strconcat ("_", symbol_name, NULL); + *symbol = _g_module_symbol (module->handle, name); + g_free (name); + } +#else /* !G_MODULE_NEED_USCORE */ + *symbol = _g_module_symbol (module->handle, symbol_name); +#endif /* !G_MODULE_NEED_USCORE */ + + module_error = g_module_error (); + if (module_error) + { + gchar *error; + + error = g_strconcat ("`", symbol_name, "': ", module_error, NULL); + g_module_set_error (error); + g_free (error); + *symbol = NULL; + } + + g_static_rec_mutex_unlock (&g_module_global_lock); + return !module_error; +} + +const gchar * +g_module_name (GModule *module) +{ + g_return_val_if_fail (module != NULL, NULL); + + if (module == main_module) + return "main"; + + return module->file_name; +} + +#if defined (G_OS_WIN32) && !defined(_WIN64) + +#undef g_module_name + +const gchar * +g_module_name (GModule *module) +{ + g_return_val_if_fail (module != NULL, NULL); + + if (module == main_module) + return "main"; + + return module->cp_file_name; +} + +#endif + +gchar* +g_module_build_path (const gchar *directory, + const gchar *module_name) +{ + g_return_val_if_fail (module_name != NULL, NULL); + + return _g_module_build_path (directory, module_name); +} diff --git a/deps/gmodule/gmoduleconf.h.in b/deps/gmodule/gmoduleconf.h.in new file mode 100644 index 0000000..168cf23 --- /dev/null +++ b/deps/gmodule/gmoduleconf.h.in @@ -0,0 +1,54 @@ +/* GMODULE - GLIB wrapper code for dynamic module loading + * Copyright (C) 1998 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +#ifndef __G_MODULE_CONF_H__ +#define __G_MODULE_CONF_H__ + + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define G_MODULE_IMPL_NONE 0 +#define G_MODULE_IMPL_DL 1 +#define G_MODULE_IMPL_DLD 2 +#define G_MODULE_IMPL_WIN32 3 +#define G_MODULE_IMPL_OS2 4 +#define G_MODULE_IMPL_BEOS 5 +#define G_MODULE_IMPL_DYLD 6 +#define G_MODULE_IMPL_AR 7 + +#define G_MODULE_IMPL @G_MODULE_IMPL@ +#undef G_MODULE_HAVE_DLERROR +#if (@G_MODULE_HAVE_DLERROR@) +#define G_MODULE_HAVE_DLERROR +#endif +#if (@G_MODULE_NEED_USCORE@) || defined (hp9000s300) || defined (__hp9000s300) || defined (__hp9000s300__) +#define G_MODULE_NEED_USCORE +#endif +#if (@G_MODULE_BROKEN_RTLD_GLOBAL@) +#define G_MODULE_BROKEN_RTLD_GLOBAL +#endif + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __G_MODULE_CONF_H__ */ diff --git a/deps/gmodule/gmoduleconf.h.win32 b/deps/gmodule/gmoduleconf.h.win32 new file mode 100644 index 0000000..18bee9b --- /dev/null +++ b/deps/gmodule/gmoduleconf.h.win32 @@ -0,0 +1,44 @@ +/* GMODULE - GLIB wrapper code for dynamic module loading + * Copyright (C) 1998 Tim Janik + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +#ifndef __G_MODULE_CONF_H__ +#define __G_MODULE_CONF_H__ + + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define G_MODULE_IMPL_NONE 0 +#define G_MODULE_IMPL_DL 1 +#define G_MODULE_IMPL_DLD 2 +#define G_MODULE_IMPL_WIN32 3 +#define G_MODULE_IMPL_OS2 4 +#define G_MODULE_IMPL_BEOS 5 +#define G_MODULE_IMPL_DYLD 6 + +#define G_MODULE_IMPL G_MODULE_IMPL_WIN32 +#undef G_MODULE_HAVE_DLERROR + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __G_MODULE_CONF_H__ */ diff --git a/doc/CODING_STYLE b/doc/CODING_STYLE new file mode 100644 index 0000000..d982adf --- /dev/null +++ b/doc/CODING_STYLE @@ -0,0 +1,50 @@ +Cogl Coding Style +-------------------- + +This document is intended to be a short description of the preferred +coding style to be used for the Cogl source code. + +Coding style is a matter of consistency, readability and maintainance; +coding style is also completely arbitrary and a matter of taste. This +document will use examples at the very least to provide authoritative +and consistent answers to common questions regarding the coding style, +and will also try to identify the allowed exceptions. + +The Cogl coding style is currently defined relative to the Clutter +coding style, so please first read clutter/docs/CODING_STYLE. + +Differences to the Clutter coding style: + ++ Headers + +Cogl headers are not exempt from the 80 characters limit as they are in +Clutter. Function prototypes should not be arranged into vertical +columns but should instead look somthing like this: + +void +my_function (CoglType type, + CoglType *a_pointer, + CoglType another_type); + ++ Types + +Avoid the use of redundant glib typedefs and wherever possible simply +use ANSI C/c99 types. + +The following types should not be used: + gint, guint, gfloat, gdouble, glong, gulong, gchar, guchar, + guint{8,16,32} or gint{8,16,32} +Instead use: + int, unsigned int, float, double, long, unsigned long, char, + unsigned char, uint{8,16,32}_t and int{8,16,32}_t + +Use CoglBool for boolean types. + +When ever you need a byte size type for dealing with pixel data then +uint8_t should be used. + +The general intention is that Cogl should look palatable to the widest +range of C programmers including those outside the Gnome community so +- especially for the public API - we want to minimize the number of +foreign looking typedefs. + diff --git a/doc/Makefile.am b/doc/Makefile.am new file mode 100644 index 0000000..e8f091e --- /dev/null +++ b/doc/Makefile.am @@ -0,0 +1,9 @@ +SUBDIRS = + +if BUILD_GTK_DOC +SUBDIRS += reference +endif + +DIST_SUBDIRS = reference + +EXTRA_DIST = CODING_STYLE diff --git a/doc/Makefile.in b/doc/Makefile.in new file mode 100644 index 0000000..3bb6fb0 --- /dev/null +++ b/doc/Makefile.in @@ -0,0 +1,753 @@ +# Makefile.in generated by automake 1.14.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2013 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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The docs will be rebuilt if any of these change. +# e.g. HFILE_GLOB=$(top_srcdir)/gtk/*.h +# e.g. CFILE_GLOB=$(top_srcdir)/gtk/*.c +HFILE_GLOB = \ + $(top_srcdir)/cogl/*.h \ + $(top_builddir)/cogl/*.h \ + $(top_srcdir)/cogl/winsys/*.h + +CFILE_GLOB = $(top_srcdir)/cogl/*.c + +# Header files to ignore when scanning. +# e.g. IGNORE_HFILES=gtkdebug.h gtkintl.h +cogl_private_headers := \ + $(shell cd $(top_srcdir)/cogl && echo *-private.h && cd - && \ + cd $(top_srcdir)/cogl/winsys && echo *-private.h && cd -) + +IGNORE_HFILES = \ + driver \ + tesselator \ + cogl.h \ + $(cogl_private_headers) \ + cogl-atlas.h \ + cogl-path.h \ + cogl-program.h \ + cogl-shader.h \ + cogl-bitmap-packing.h \ + cogl-bitmask.h \ + cogl-blend-string.h \ + cogl-blit.h \ + cogl-boxed-value.h \ + cogl-clip-stack.h \ + cogl-debug.h \ + cogl-debug-options.h \ + cogl-defines.h \ + cogl-driver.h \ + cogl-enum-types.h \ + cogl-flags.h \ + cogl-gles2-types.h \ + cogl-gl-header.h \ + cogl-glsl-shader-boilerplate.h \ + cogl-deprecated.h \ + cogl-profile.h \ + cogl-rectangle-map.h \ + cogl-spans.h \ + cogl-texture-driver.h \ + cogl-util.h \ + $(NULL) + +EXTRA_HFILES = + +# Images to copy into HTML directory. +# e.g. HTML_IMAGES=$(top_srcdir)/gtk/stock-icons/stock_about_24.png +HTML_IMAGES = \ + fill-rule-non-zero.png \ + fill-rule-even-odd.png \ + quad-indices-order.png \ + quad-indices-triangles.png \ + cogl_ortho.png + + +# Extra SGML files that are included by $(DOC_MAIN_SGML_FILE). +# e.g. content_files=running.sgml building.sgml changes-2.0.sgml +content_files = \ + blend-strings.xml + + +# SGML files where gtk-doc abbrevations (#GtkWidget) are expanded +# These files must be listed here *and* in content_files +# e.g. expand_content_files=running.sgml +expand_content_files = \ + blend-strings.xml + + +# CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library. +# Only needed if you are using gtkdoc-scangobj to dynamically query widget +# signals and properties. +# e.g. AM_CPPFLAGS=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS) +# e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib) +AM_CPPFLAGS = -I$(top_srcdir) -I$(top_builddir)/cogl -DCOGL_ENABLE_EXPERIMENTAL_API $(COGL_DEP_CFLAGS) +GTKDOC_LIBS = $(top_builddir)/cogl/libcogl.la $(COGL_DEP_LIBS) +@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_FALSE@GTKDOC_CC = $(CC) $(INCLUDES) $(GTKDOC_DEPS_CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_TRUE@GTKDOC_CC = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(INCLUDES) $(GTKDOC_DEPS_CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_FALSE@GTKDOC_LD = $(CC) $(GTKDOC_DEPS_LIBS) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) +@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_TRUE@GTKDOC_LD = $(LIBTOOL) --tag=CC --mode=link $(CC) $(GTKDOC_DEPS_LIBS) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) +@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_FALSE@GTKDOC_RUN = +@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_TRUE@GTKDOC_RUN = $(LIBTOOL) --mode=execute + +# We set GPATH here; this gives us semantics for GNU make +# which are more like other make's VPATH, when it comes to +# whether a source that is a target of one rule is then +# searched for in VPATH/GPATH. +# +@BUILD_GTK_DOC_TRUE@GPATH = $(srcdir) +@BUILD_GTK_DOC_TRUE@TARGET_DIR = $(HTML_DIR)/$(DOC_MODULE) +@BUILD_GTK_DOC_TRUE@SETUP_FILES = \ +@BUILD_GTK_DOC_TRUE@ $(content_files) \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MAIN_SGML_FILE) \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE)-sections.txt \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE)-overrides.txt + + +# This includes the standard gtk-doc make rules, copied by gtkdocize. + +# Other files to distribute +# e.g. EXTRA_DIST += version.xml.in +@BUILD_GTK_DOC_FALSE@EXTRA_DIST = $(HTML_IMAGES) $(content_files) + +# Other files to distribute +# e.g. EXTRA_DIST += version.xml.in +@BUILD_GTK_DOC_TRUE@EXTRA_DIST = $(HTML_IMAGES) $(SETUP_FILES) \ +@BUILD_GTK_DOC_TRUE@ $(HTML_IMAGES) $(content_files) +@BUILD_GTK_DOC_TRUE@DOC_STAMPS = setup-build.stamp scan-build.stamp sgml-build.stamp \ +@BUILD_GTK_DOC_TRUE@ html-build.stamp pdf-build.stamp \ +@BUILD_GTK_DOC_TRUE@ sgml.stamp html.stamp pdf.stamp + +@BUILD_GTK_DOC_TRUE@SCANOBJ_FILES = \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE).args \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE).hierarchy \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE).interfaces \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE).prerequisites \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE).signals + +@BUILD_GTK_DOC_TRUE@REPORT_FILES = \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE)-undocumented.txt \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE)-undeclared.txt \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE)-unused.txt + +@BUILD_GTK_DOC_TRUE@CLEANFILES = $(SCANOBJ_FILES) $(REPORT_FILES) $(DOC_STAMPS) +@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_HTML_FALSE@HTML_BUILD_STAMP = +@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_HTML_TRUE@HTML_BUILD_STAMP = html-build.stamp +@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_PDF_FALSE@PDF_BUILD_STAMP = +@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_PDF_TRUE@PDF_BUILD_STAMP = pdf-build.stamp + +#### setup #### +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SETUP = $(GTK_DOC_V_SETUP_$(V)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SETUP_ = $(GTK_DOC_V_SETUP_$(AM_DEFAULT_VERBOSITY)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SETUP_0 = @echo " DOC Preparing build"; + +#### scan #### +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SCAN = $(GTK_DOC_V_SCAN_$(V)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SCAN_ = $(GTK_DOC_V_SCAN_$(AM_DEFAULT_VERBOSITY)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SCAN_0 = @echo " DOC Scanning header files"; +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_INTROSPECT = $(GTK_DOC_V_INTROSPECT_$(V)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_INTROSPECT_ = $(GTK_DOC_V_INTROSPECT_$(AM_DEFAULT_VERBOSITY)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_INTROSPECT_0 = @echo " DOC Introspecting gobjects"; + +#### xml #### +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XML = $(GTK_DOC_V_XML_$(V)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XML_ = $(GTK_DOC_V_XML_$(AM_DEFAULT_VERBOSITY)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XML_0 = @echo " DOC Building XML"; + +#### html #### +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_HTML = $(GTK_DOC_V_HTML_$(V)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_HTML_ = $(GTK_DOC_V_HTML_$(AM_DEFAULT_VERBOSITY)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_HTML_0 = @echo " DOC Building HTML"; +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XREF = $(GTK_DOC_V_XREF_$(V)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XREF_ = $(GTK_DOC_V_XREF_$(AM_DEFAULT_VERBOSITY)) +@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XREF_0 = @echo " DOC Fixing cross-references"; 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\ +@BUILD_GTK_DOC_TRUE@ for i in $(DOC_SOURCE_DIR) ; do \ +@BUILD_GTK_DOC_TRUE@ _source_dir="$${_source_dir} --source-dir=$$i" ; \ +@BUILD_GTK_DOC_TRUE@ done ; \ +@BUILD_GTK_DOC_TRUE@ gtkdoc-mkdb --module=$(DOC_MODULE) --output-format=xml --expand-content-files="$(expand_content_files)" --main-sgml-file=$(DOC_MAIN_SGML_FILE) $${_source_dir} $(MKDB_OPTIONS) +@BUILD_GTK_DOC_TRUE@ $(AM_V_at)touch sgml-build.stamp + +@BUILD_GTK_DOC_TRUE@sgml.stamp: sgml-build.stamp +@BUILD_GTK_DOC_TRUE@ @true + +@BUILD_GTK_DOC_TRUE@html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files) +@BUILD_GTK_DOC_TRUE@ $(GTK_DOC_V_HTML)rm -rf html && mkdir html && \ +@BUILD_GTK_DOC_TRUE@ mkhtml_options=""; \ +@BUILD_GTK_DOC_TRUE@ gtkdoc-mkhtml 2>&1 --help | grep >/dev/null "\-\-verbose"; \ +@BUILD_GTK_DOC_TRUE@ if test "$(?)" = "0"; then \ +@BUILD_GTK_DOC_TRUE@ if test "x$(V)" = "x1"; then \ +@BUILD_GTK_DOC_TRUE@ mkhtml_options="$$mkhtml_options --verbose"; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ gtkdoc-mkhtml 2>&1 --help | grep >/dev/null "\-\-path"; \ +@BUILD_GTK_DOC_TRUE@ if test "$(?)" = "0"; then \ +@BUILD_GTK_DOC_TRUE@ mkhtml_options="$$mkhtml_options --path=\"$(abs_srcdir)\""; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ cd html && gtkdoc-mkhtml $$mkhtml_options $(MKHTML_OPTIONS) $(DOC_MODULE) ../$(DOC_MAIN_SGML_FILE) +@BUILD_GTK_DOC_TRUE@ -@test "x$(HTML_IMAGES)" = "x" || \ +@BUILD_GTK_DOC_TRUE@ for file in $(HTML_IMAGES) ; do \ +@BUILD_GTK_DOC_TRUE@ if test -f $(abs_srcdir)/$$file ; then \ +@BUILD_GTK_DOC_TRUE@ cp $(abs_srcdir)/$$file $(abs_builddir)/html; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ if test -f $(abs_builddir)/$$file ; then \ +@BUILD_GTK_DOC_TRUE@ cp $(abs_builddir)/$$file $(abs_builddir)/html; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ done; +@BUILD_GTK_DOC_TRUE@ $(GTK_DOC_V_XREF)gtkdoc-fixxref --module=$(DOC_MODULE) --module-dir=html --html-dir=$(HTML_DIR) $(FIXXREF_OPTIONS) +@BUILD_GTK_DOC_TRUE@ $(AM_V_at)touch html-build.stamp + +@BUILD_GTK_DOC_TRUE@pdf-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files) +@BUILD_GTK_DOC_TRUE@ $(GTK_DOC_V_PDF)rm -f $(DOC_MODULE).pdf && \ +@BUILD_GTK_DOC_TRUE@ mkpdf_options=""; \ +@BUILD_GTK_DOC_TRUE@ gtkdoc-mkpdf 2>&1 --help | grep >/dev/null "\-\-verbose"; \ +@BUILD_GTK_DOC_TRUE@ if test "$(?)" = "0"; then \ +@BUILD_GTK_DOC_TRUE@ if test "x$(V)" = "x1"; then \ +@BUILD_GTK_DOC_TRUE@ mkpdf_options="$$mkpdf_options --verbose"; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ if test "x$(HTML_IMAGES)" != "x"; then \ +@BUILD_GTK_DOC_TRUE@ for img in $(HTML_IMAGES); do \ +@BUILD_GTK_DOC_TRUE@ part=`dirname $$img`; \ +@BUILD_GTK_DOC_TRUE@ echo $$mkpdf_options | grep >/dev/null "\-\-imgdir=$$part "; \ +@BUILD_GTK_DOC_TRUE@ if test $$? != 0; then \ +@BUILD_GTK_DOC_TRUE@ mkpdf_options="$$mkpdf_options --imgdir=$$part"; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ done; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ gtkdoc-mkpdf --path="$(abs_srcdir)" $$mkpdf_options $(DOC_MODULE) $(DOC_MAIN_SGML_FILE) $(MKPDF_OPTIONS) +@BUILD_GTK_DOC_TRUE@ $(AM_V_at)touch pdf-build.stamp + +############## + +@BUILD_GTK_DOC_TRUE@clean-local: +@BUILD_GTK_DOC_TRUE@ @rm -f *~ *.bak +@BUILD_GTK_DOC_TRUE@ @rm -rf .libs + +@BUILD_GTK_DOC_TRUE@distclean-local: +@BUILD_GTK_DOC_TRUE@ @rm -rf xml html $(REPORT_FILES) $(DOC_MODULE).pdf \ +@BUILD_GTK_DOC_TRUE@ $(DOC_MODULE)-decl-list.txt $(DOC_MODULE)-decl.txt +@BUILD_GTK_DOC_TRUE@ @if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \ +@BUILD_GTK_DOC_TRUE@ rm -f $(SETUP_FILES) $(expand_content_files) $(DOC_MODULE).types; \ +@BUILD_GTK_DOC_TRUE@ fi + +@BUILD_GTK_DOC_TRUE@maintainer-clean-local: +@BUILD_GTK_DOC_TRUE@ @rm -rf xml html + +@BUILD_GTK_DOC_TRUE@install-data-local: +@BUILD_GTK_DOC_TRUE@ @installfiles=`echo $(builddir)/html/*`; \ +@BUILD_GTK_DOC_TRUE@ if test "$$installfiles" = '$(builddir)/html/*'; \ +@BUILD_GTK_DOC_TRUE@ then echo 1>&2 'Nothing to install' ; \ +@BUILD_GTK_DOC_TRUE@ else \ +@BUILD_GTK_DOC_TRUE@ if test -n "$(DOC_MODULE_VERSION)"; then \ +@BUILD_GTK_DOC_TRUE@ installdir="$(DESTDIR)$(TARGET_DIR)-$(DOC_MODULE_VERSION)"; \ +@BUILD_GTK_DOC_TRUE@ else \ +@BUILD_GTK_DOC_TRUE@ installdir="$(DESTDIR)$(TARGET_DIR)"; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ $(mkinstalldirs) $${installdir} ; \ +@BUILD_GTK_DOC_TRUE@ for i in $$installfiles; do \ +@BUILD_GTK_DOC_TRUE@ echo ' $(INSTALL_DATA) '$$i ; \ +@BUILD_GTK_DOC_TRUE@ $(INSTALL_DATA) $$i $${installdir}; \ +@BUILD_GTK_DOC_TRUE@ done; \ +@BUILD_GTK_DOC_TRUE@ if test -n "$(DOC_MODULE_VERSION)"; then \ +@BUILD_GTK_DOC_TRUE@ mv -f $${installdir}/$(DOC_MODULE).devhelp2 \ +@BUILD_GTK_DOC_TRUE@ $${installdir}/$(DOC_MODULE)-$(DOC_MODULE_VERSION).devhelp2; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ $(GTKDOC_REBASE) --relative --dest-dir=$(DESTDIR) --html-dir=$${installdir}; \ +@BUILD_GTK_DOC_TRUE@ fi + +@BUILD_GTK_DOC_TRUE@uninstall-local: +@BUILD_GTK_DOC_TRUE@ @if test -n "$(DOC_MODULE_VERSION)"; then \ +@BUILD_GTK_DOC_TRUE@ installdir="$(DESTDIR)$(TARGET_DIR)-$(DOC_MODULE_VERSION)"; \ +@BUILD_GTK_DOC_TRUE@ else \ +@BUILD_GTK_DOC_TRUE@ installdir="$(DESTDIR)$(TARGET_DIR)"; \ +@BUILD_GTK_DOC_TRUE@ fi; \ +@BUILD_GTK_DOC_TRUE@ rm -rf $${installdir} + +# +# Require gtk-doc when making dist +# +@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@dist-check-gtkdoc: docs +@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@dist-check-gtkdoc: +@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@ @echo "*** gtk-doc must be installed and enabled in order to make dist" +@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@ @false + +@BUILD_GTK_DOC_TRUE@dist-hook: dist-check-gtkdoc dist-hook-local +@BUILD_GTK_DOC_TRUE@ @mkdir $(distdir)/html +@BUILD_GTK_DOC_TRUE@ @cp ./html/* $(distdir)/html +@BUILD_GTK_DOC_TRUE@ @-cp ./$(DOC_MODULE).pdf $(distdir)/ +@BUILD_GTK_DOC_TRUE@ @-cp ./$(DOC_MODULE).types $(distdir)/ +@BUILD_GTK_DOC_TRUE@ @-cp ./$(DOC_MODULE)-sections.txt $(distdir)/ +@BUILD_GTK_DOC_TRUE@ @cd $(distdir) && rm -f $(DISTCLEANFILES) +@BUILD_GTK_DOC_TRUE@ @$(GTKDOC_REBASE) --online --relative --html-dir=$(distdir)/html + +@BUILD_GTK_DOC_TRUE@.PHONY : dist-hook-local docs + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/doc/reference/cogl-2.0-experimental/blend-strings.xml b/doc/reference/cogl-2.0-experimental/blend-strings.xml new file mode 100644 index 0000000..421ab23 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/blend-strings.xml @@ -0,0 +1,129 @@ + + +]> + + + +Blend Strings +3 +COGL Library + + + +Blend Strings +A simple syntax and grammar for describing blending and texture +combining functions. + + + +Cogl Blend Strings + +Describing GPU blending and texture combining states is rather awkward to do +in a consise but also readable fashion. Cogl helps by supporting +string based descriptions using a simple syntax. + + +
+Some examples + +Here is an example used for blending: + +"RGBA = ADD (SRC_COLOR * (SRC_COLOR[A]), DST_COLOR * (1-SRC_COLOR[A]))" + +In OpenGL terms this replaces glBlendFunc[Separate] and +glBlendEquation[Separate] + +Actually in this case it's more verbose than the GL equivalent: + + +glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + +But unless you are familiar with OpenGL or refer to its API documentation +you wouldn't know that the default function used by OpenGL is GL_FUNC_ADD +nor would you know that the above arguments determine what the source color +and destination color will be multiplied by before being adding. + + +Here is an example used for texture combining: + +"RGB = REPLACE (PREVIOUS)" +"A = MODULATE (PREVIOUS, TEXTURE)" + + +In OpenGL terms this replaces glTexEnv, and the above example is equivalent +to this OpenGL code: + + + glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE); + glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE); + glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS); + glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR); + glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE); + glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PREVIOUS); + glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_COLOR); + glTexEnvi (GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_TEXTURE); + glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_COLOR); + + +
+ +
+Here's the syntax + + +<statement>: + <channel-mask>=<function-name>(<arg-list>) + + You can either use a single statement with an RGBA channel-mask or you can use + two statements; one with an A channel-mask and the other with an RGB + channel-mask. + +<channel-mask>: + A or RGB or RGBA + +<function-name>: + [A-Za-z_]* + +<arg-list>: + <arg>,<arg> + or <arg> + or "" + + I.e. functions may take 0 or more arguments + +<arg>: + <color-source> + 1 - <color-source> : Only intended for texture combining + <color-source> * ( <factor> ) : Only intended for blending + 0 : Only intended for blending + + See the blending or texture combining sections for further notes and examples. + +<color-source>: + <source-name>[<channel-mask>] + <source-name> + + See the blending or texture combining sections for the list of source-names + valid in each context. + + If a channel mask is not given then the channel mask of the statement + is assumed instead. + +<factor>: + 0 + 1 + <color-source> + 1-<color-source> + SRC_ALPHA_SATURATE + + +
+ + + + + + diff --git a/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml b/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml new file mode 100644 index 0000000..2370875 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml @@ -0,0 +1,229 @@ + + +]> + + + + Cogl 2.0 Reference Manual + for Cogl 2.0; + + + 2008 + OpenedHand LTD + + + + 2009 + 2010 + 2011 + 2012 + 2013 + Intel Corporation + + + + + Permission is granted to copy, distribute and/or modify this + document under the terms of the GNU Free + Documentation License, Version 1.1 or any later + version published by the Free Software Foundation with no + Invariant Sections, no Front-Cover Texts, and no Back-Cover + Texts. You may obtain a copy of the GNU Free + Documentation License from the Free Software + Foundation by visiting their Web site or by writing + to: + +
+ The Free Software Foundation, Inc., + 59 Temple Place - Suite 330, + Boston, MA 02111-1307, + USA +
+ + + + + + + Cogl - a modern 3D graphics API + +
+ About Cogl + + Cogl is a modern 3D graphics API with associated utility + APIs designed to expose the features of 3D graphics hardware + using a more object oriented design than OpenGL. The library has + primarily been driven by the practical needs of Clutter but it + is not tied to any one toolkit or even constrained to developing + UI toolkits. + +
+ +
+ General API concepts + + + +
+ +
+ Setting Up A Drawing Context + + + + +
+ +
+ Setting Up A GPU Pipeline + + + + +
+ +
+ Allocating GPU Memory + + + +
+ +
+ Describing the layout of GPU Memory + + +
+ +
+ Geometry + + + +
+ +
+ Textures + + +
+ +
+ Meta Textures + + + + +
+ +
+ Primitive Textures + + + + +
+ +
+ Framebuffers + + + +
+ +
+ Utilities + + + + + + + + +
+ +
+ Binding and Integrating + + + + +
+ + + + + Glossaries + + + + + + Index of all symbols + + + + + Index of deprecated symbols + + + + + Index of new symbols in 0.8 + + + + + Index of new symbols in 1.0 + + + + + Index of new symbols in 1.2 + + + + + Index of new symbols in 1.4 + + + + + License + + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General + Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) + any later version. + + + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Library General Public License for + more details. + + + + You may obtain a copy of the GNU Library General + Public License from the Free Software Foundation by + visiting their Web + site or by writing to: + +
+ Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307 + USA +
+ + + + diff --git a/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml.in b/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml.in new file mode 100644 index 0000000..8b0726a --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-docs.xml.in @@ -0,0 +1,229 @@ + + +]> + + + + Cogl 2.0 Reference Manual + for Cogl 2.0; + + + 2008 + OpenedHand LTD + + + + 2009 + 2010 + 2011 + 2012 + 2013 + Intel Corporation + + + + + Permission is granted to copy, distribute and/or modify this + document under the terms of the GNU Free + Documentation License, Version 1.1 or any later + version published by the Free Software Foundation with no + Invariant Sections, no Front-Cover Texts, and no Back-Cover + Texts. You may obtain a copy of the GNU Free + Documentation License from the Free Software + Foundation by visiting their Web site or by writing + to: + +
+ The Free Software Foundation, Inc., + 59 Temple Place - Suite 330, + Boston, MA 02111-1307, + USA +
+ + + + + + + Cogl - a modern 3D graphics API + +
+ About Cogl + + Cogl is a modern 3D graphics API with associated utility + APIs designed to expose the features of 3D graphics hardware + using a more object oriented design than OpenGL. The library has + primarily been driven by the practical needs of Clutter but it + is not tied to any one toolkit or even constrained to developing + UI toolkits. + +
+ +
+ General API concepts + + + +
+ +
+ Setting Up A Drawing Context + + + + +
+ +
+ Setting Up A GPU Pipeline + + + + +
+ +
+ Allocating GPU Memory + + + +
+ +
+ Describing the layout of GPU Memory + + +
+ +
+ Geometry + + + +
+ +
+ Textures + + +
+ +
+ Meta Textures + + + + +
+ +
+ Primitive Textures + + + + +
+ +
+ Framebuffers + + + +
+ +
+ Utilities + + + + + + + + +
+ +
+ Binding and Integrating + + + + +
+ + + + + Glossaries + + + + + + Index of all symbols + + + + + Index of deprecated symbols + + + + + Index of new symbols in 0.8 + + + + + Index of new symbols in 1.0 + + + + + Index of new symbols in 1.2 + + + + + Index of new symbols in 1.4 + + + + + License + + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General + Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) + any later version. + + + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Library General Public License for + more details. + + + + You may obtain a copy of the GNU Library General + Public License from the Free Software Foundation by + visiting their Web + site or by writing to: + +
+ Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307 + USA +
+ + + + diff --git a/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-overrides.txt b/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-overrides.txt new file mode 100644 index 0000000..e69de29 diff --git a/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-sections.txt b/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-sections.txt new file mode 100644 index 0000000..94a1e65 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/cogl-2.0-experimental-sections.txt @@ -0,0 +1,1058 @@ +
+cogl-object +The Object Interface +CoglObject +cogl_object_ref +cogl_object_unref +CoglUserDataKey +CoglUserDataDestroyCallback +cogl_object_get_user_data +cogl_object_set_user_data +
+ +
+cogl-error +Exception handling +CoglError +cogl_error_matches +cogl_error_free +cogl_error_copy +COGL_GLIB_ERROR +
+ +
+cogl-types +Common Types + +CoglVertexP2 +CoglVertexP3 +CoglVertexP2C4 +CoglVertexP3C4 +CoglVertexP2T2 +CoglVertexP3T2 +CoglVertexP2T2C4 +CoglVertexP3T2C4 +CoglVerticesMode + + +CoglFuncPtr +CoglPixelFormat +CoglBufferTarget +CoglBufferBit +CoglAttributeType +CoglColorMask + + +CoglTextureFlags + + +CoglBool +
+ +
+cogl-renderer +CoglRenderer: Connect to a backend renderer + +CoglRenderer +cogl_is_renderer + + +cogl_renderer_new +cogl_renderer_get_n_fragment_texture_units +cogl_renderer_connect + + +CoglWinsysID +cogl_renderer_set_winsys_id +cogl_renderer_get_winsys_id +CoglRendererConstraint +cogl_renderer_add_constraint +cogl_renderer_remove_constraint + + +cogl_xlib_renderer_set_foreign_display +cogl_xlib_renderer_get_foreign_display + + +CoglXlibFilterFunc +CoglFilterReturn +cogl_xlib_renderer_add_filter +cogl_xlib_renderer_remove_filter +cogl_xlib_renderer_handle_event + + +CoglWin32FilterFunc +cogl_win32_renderer_add_filter +cogl_win32_renderer_remove_filter +cogl_win32_renderer_handle_event +cogl_win32_renderer_set_event_retrieval_enabled + + +cogl_wayland_renderer_set_foreign_display +cogl_wayland_renderer_set_event_dispatch_enabled +cogl_wayland_renderer_get_display +
+ +
+cogl-swap-chain +CoglSwapChain: Describe a set of back buffers for flipping between + +CoglSwapChain +cogl_is_swap_chain + + +cogl_swap_chain_new +cogl_swap_chain_set_has_alpha +cogl_swap_chain_set_length +
+ +
+cogl-onscreen-template +CoglOnscreenTemplate: Describe a template for onscreen framebuffers + +CoglOnscreenTemplate +cogl_is_onscreen_template + + +cogl_onscreen_template_new +
+ +
+cogl-display +CoglDisplay: Setup a display pipeline + +CoglDisplay +cogl_is_display + + +cogl_display_new +cogl_display_get_renderer +cogl_display_setup + + +cogl_gdl_display_set_plane + + +cogl_wayland_display_set_compositor_display +
+ +
+cogl-context +The Top-Level Context + + +CoglContext +cogl_is_context +cogl_context_new +cogl_context_get_display + + +CoglFeatureID +cogl_has_feature +cogl_has_features +CoglFeatureCallback +cogl_foreach_feature + + +cogl_push_matrix +cogl_pop_matrix +cogl_scale +cogl_translate +cogl_rotate +cogl_transform +cogl_frustum +cogl_perspective +cogl_ortho + + +cogl_get_modelview_matrix +cogl_set_modelview_matrix +cogl_get_projection_matrix +cogl_set_projection_matrix +cogl_set_viewport +cogl_get_viewport + + +cogl_set_source +cogl_set_source_color +cogl_set_source_color4ub +cogl_set_source_color4f +cogl_set_source_texture +cogl_get_source +cogl_push_source +cogl_pop_source + + +COGL_TYPE_BUFFER_BIT +cogl_clear + + +CoglReadPixelsFlags +cogl_read_pixels + + +cogl_flush + + +COGL_TYPE_ATTRIBUTE_TYPE +COGL_TYPE_BLEND_STRING_ERROR +COGL_TYPE_BUFFER_ACCESS +COGL_TYPE_BUFFER_TARGET +COGL_TYPE_BUFFER_UPDATE_HINT +COGL_TYPE_BUFFER_USAGE_HINT +COGL_TYPE_DEBUG_FLAGS +COGL_TYPE_DRIVER_ERROR +COGL_TYPE_FEATURE_FLAGS +COGL_TYPE_INDICES_TYPE +COGL_TYPE_PIXEL_FORMAT +COGL_TYPE_READ_PIXELS_FLAGS +COGL_TYPE_TEXTURE_FLAGS +COGL_TYPE_VERTICES_MODE + + +COGL_DRIVER_ERROR +CoglDriverError +cogl_attribute_type_get_type +cogl_buffer_bit_get_type +cogl_buffer_target_get_type +cogl_debug_flags_get_type +cogl_driver_error_get_type +cogl_feature_flags_get_type +cogl_fixed_get_type +cogl_fog_mode_get_type +cogl_indices_type_get_type +cogl_pixel_format_get_type +cogl_read_pixels_flags_get_type +cogl_shader_type_get_type +cogl_texture_flags_get_type +cogl_vertices_mode_get_type +COGL_AFIRST_BIT +COGL_A_BIT +COGL_BGR_BIT +COGL_PREMULT_BIT +
+ +
+cogl-poll +Main loop integration +CoglPollFDEvent +CoglPollFD +cogl_poll_renderer_get_info +cogl_poll_renderer_dispatch +cogl_glib_source_new +cogl_glib_renderer_source_new +
+ +
+cogl-attribute +Vertex Attributes +CoglAttribute +cogl_attribute_new +cogl_is_attribute +cogl_attribute_set_normalized +cogl_attribute_get_normalized +cogl_attribute_get_buffer +cogl_attribute_set_buffer +
+ +
+cogl-indices +Indices + + +CoglIndices +cogl_is_indices + + +CoglIndicesType +cogl_indices_new + + +cogl_get_rectangle_indices +
+ +
+cogl-primitive +Primitives +CoglPrimitive +cogl_primitive_new +cogl_primitive_new_with_attributes +cogl_primitive_new_p2 +cogl_primitive_new_p3 +cogl_primitive_new_p2c4 +cogl_primitive_new_p3c4 +cogl_primitive_new_p2t2 +cogl_primitive_new_p3t2 +cogl_primitive_new_p2t2c4 +cogl_primitive_new_p3t2c4 +cogl_is_primitive +cogl_primitive_get_first_vertex +cogl_primitive_set_first_vertex +cogl_primitive_get_n_vertices +cogl_primitive_set_n_vertices +cogl_primitive_get_mode +cogl_primitive_set_mode +cogl_primitive_set_attributes +cogl_primitive_get_indices +cogl_primitive_set_indices +cogl_primitive_copy +CoglPrimitiveAttributeCallback +cogl_primitive_foreach_attribute +cogl_primitive_draw +
+ +
+cogl-rectangle +Rectangles +cogl_rectangle +cogl_rectangles +cogl_rectangle_with_texture_coords +cogl_rectangles_with_texture_coords +cogl_rectangle_with_multitexture_coords +
+ +
+cogl-snippet +Shader snippets +CoglSnippet +CoglSnippetHook +cogl_snippet_new +cogl_snippet_get_hook +cogl_is_snippet +cogl_snippet_set_declarations +cogl_snippet_get_declarations +cogl_snippet_set_pre +cogl_snippet_get_pre +cogl_snippet_set_replace +cogl_snippet_get_replace +cogl_snippet_set_post +cogl_snippet_get_post +
+ +
+cogl-primitives-deprecated +Primitives (Deprecated) +cogl_polygon +
+ +
+cogl-paths +Path Primitives +CoglPath +cogl_is_path +cogl_path_new +cogl_path_copy +cogl_path_move_to +cogl_path_close +cogl_path_line_to +cogl_path_curve_to +cogl_path_arc +cogl_path_rel_move_to +cogl_path_rel_line_to +cogl_path_rel_curve_to +cogl_path_line +cogl_path_polyline +cogl_path_polygon +cogl_path_rectangle +cogl_path_round_rectangle +cogl_path_ellipse + + +CoglPathFillRule +cogl_path_set_fill_rule +cogl_path_get_fill_rule +
+ +
+cogl-bitmap +Bitmap + + +CoglBitmap +cogl_is_bitmap + + +cogl_bitmap_new_from_file +cogl_bitmap_new_from_buffer +cogl_bitmap_new_with_size +cogl_bitmap_new_for_data + + +cogl_bitmap_get_format +cogl_bitmap_get_width +cogl_bitmap_get_height +cogl_bitmap_get_rowstride +cogl_bitmap_get_buffer +cogl_bitmap_get_size_from_file + + +cogl_texture_new_from_bitmap + + +COGL_BITMAP_ERROR +CoglBitmapError +
+ +
+cogl-texture +The Texture Interface +CoglTexture +cogl_is_texture + + +COGL_TEXTURE_ERROR +CoglTextureError + + +cogl_texture_allocate +cogl_texture_get_width +cogl_texture_get_height +cogl_texture_is_sliced +cogl_texture_get_data +cogl_texture_set_data +cogl_texture_set_region +CoglTextureType +CoglTextureComponents +cogl_texture_set_components +cogl_texture_get_components +cogl_texture_set_premultiplied +cogl_texture_get_premultiplied + + +COGL_TEXTURE_MAX_WASTE +
+ +
+cogl-texture-2d +2D textures +CoglTexture2D +cogl_texture_2d_new_with_size +cogl_texture_2d_new_from_file +cogl_texture_2d_new_from_bitmap +cogl_texture_2d_new_from_data +cogl_texture_2d_gl_new_from_foreign +cogl_is_texture_rectangle +
+ +
+cogl-texture-rectangle +Rectangle textures (non-normalized coordinates) +CoglTextureRectangle +cogl_texture_rectangle_new_with_size +cogl_texture_rectangle_new_from_bitmap +cogl_is_texture_rectangle +
+ +
+cogl-texture-3d +3D textures +CoglTexture3D +cogl_texture_3d_new_with_size +cogl_texture_3d_new_from_bitmap +cogl_texture_3d_new_from_data +cogl_is_texture_3d +
+ +
+cogl-meta-texture +High Level Meta Textures +CoglMetaTexture +CoglMetaTextureCallback +cogl_meta_texture_foreach_in_region +
+ +
+cogl-primitive-texture +Low-level primitive textures +CoglPrimitiveTexture +cogl_is_primitive_texture +cogl_primitive_texture_set_auto_mipmap +
+ +
+cogl-sub-texture +Sub Textures +CoglSubTexture +cogl_sub_texture_new +cogl_is_sub_texture +
+ +
+cogl-atlas-texture +Atlas Textures +CoglAtlasTexture +cogl_atlas_texture_new_with_size +cogl_atlas_texture_new_from_file +cogl_atlas_texture_new_from_data +cogl_atlas_texture_new_from_bitmap +cogl_is_atlas_texture +
+ +
+cogl-texture-2d-sliced +Sliced Textures +CoglTexture2DSliced +cogl_texture_2d_sliced_new_with_size +cogl_texture_2d_sliced_new_from_file +cogl_texture_2d_sliced_new_from_data +cogl_texture_2d_sliced_new_from_bitmap +cogl_is_texture_2d_sliced +
+ +
+cogl-texture-pixmap-x11 +X11 Texture From Pixmap + +CoglTexturePixmapX11 +cogl_is_texture_pixmap_x11 + + +cogl_texture_pixmap_x11_new + + +cogl_texture_pixmap_x11_update_area +cogl_texture_pixmap_x11_is_using_tfp_extension +CoglTexturePixmapX11ReportLevel +cogl_texture_pixmap_x11_set_damage_object +
+ +
+cogl-framebuffer +CoglFramebuffer: The Framebuffer Interface +CoglFramebuffer +COGL_FRAMEBUFFER +cogl_framebuffer_allocate +cogl_framebuffer_get_width +cogl_framebuffer_get_height +cogl_framebuffer_set_viewport +cogl_framebuffer_get_viewport_x +cogl_framebuffer_get_viewport_y +cogl_framebuffer_get_viewport_width +cogl_framebuffer_get_viewport_height +cogl_framebuffer_get_viewport4fv +cogl_framebuffer_get_red_bits +cogl_framebuffer_get_green_bits +cogl_framebuffer_get_blue_bits +cogl_framebuffer_get_alpha_bits +cogl_framebuffer_get_depth_bits +cogl_framebuffer_get_color_mask +cogl_framebuffer_set_color_mask +cogl_framebuffer_get_samples_per_pixel +cogl_framebuffer_set_samples_per_pixel +cogl_framebuffer_resolve_samples +cogl_framebuffer_resolve_samples_region +cogl_framebuffer_get_context +cogl_framebuffer_clear +cogl_framebuffer_clear4f +cogl_framebuffer_read_pixels_into_bitmap +cogl_framebuffer_read_pixels +cogl_framebuffer_set_dither_enabled +cogl_framebuffer_get_dither_enabled + + +cogl_framebuffer_draw_rectangle +cogl_framebuffer_draw_textured_rectangle +cogl_framebuffer_draw_multitextured_rectangle +cogl_framebuffer_draw_rectangles +cogl_framebuffer_draw_textured_rectangles +cogl_framebuffer_stroke_path +cogl_framebuffer_fill_path + + +cogl_framebuffer_discard_buffers +cogl_framebuffer_finish + + +cogl_framebuffer_push_matrix +cogl_framebuffer_pop_matrix +cogl_framebuffer_identity_matrix +cogl_framebuffer_scale +cogl_framebuffer_translate +cogl_framebuffer_rotate +cogl_framebuffer_rotate_euler +cogl_framebuffer_rotate_quaternion +cogl_framebuffer_transform +cogl_framebuffer_get_modelview_matrix +cogl_framebuffer_set_modelview_matrix + + +cogl_framebuffer_perspective +cogl_framebuffer_frustum +cogl_framebuffer_orthographic +cogl_framebuffer_get_projection_matrix +cogl_framebuffer_set_projection_matrix + + +cogl_framebuffer_push_scissor_clip +cogl_framebuffer_push_rectangle_clip +cogl_framebuffer_push_path_clip +cogl_framebuffer_push_primitive_clip +cogl_framebuffer_pop_clip + + +cogl_get_draw_framebuffer +cogl_set_framebuffer +cogl_push_framebuffer +cogl_pop_framebuffer +
+ +
+cogl-onscreen +CoglOnscreen: The Onscreen Framebuffer Interface + +CoglOnscreen +cogl_is_onscreen +COGL_ONSCREEN + + +cogl_onscreen_new + + +CoglOnscreenX11MaskCallback +cogl_x11_onscreen_set_foreign_window_xid +cogl_x11_onscreen_get_window_xid +cogl_x11_onscreen_get_visual_xid + + +cogl_win32_onscreen_set_foreign_window +cogl_win32_onscreen_get_window + + +cogl_onscreen_show +cogl_onscreen_hide + + +CoglFrameCallback +CoglFrameClosure +cogl_onscreen_add_frame_callback +cogl_onscreen_remove_frame_callback + + +CoglOnscreenDirtyInfo +CoglOnscreenDirtyCallback +CoglOnscreenDirtyClosure +cogl_onscreen_add_dirty_callback +cogl_onscreen_remove_dirty_callback + + +CoglOnscreenResizeCallback +CoglOnscreenResizeClosure +cogl_onscreen_add_resize_callback +cogl_onscreen_remove_resize_callback + + +cogl_onscreen_swap_buffers +cogl_onscreen_swap_buffers_with_damage +cogl_onscreen_swap_region +cogl_onscreen_set_swap_throttled +CoglSwapBuffersNotify +cogl_onscreen_add_swap_buffers_callback +cogl_onscreen_remove_swap_buffers_callback +
+ +
+cogl-offscreen +Offscreen Framebuffers + +CoglOffscreen +cogl_is_offscreen + + +cogl_offscreen_new_with_texture +
+ +
+cogl-color +Color Type +CoglColor +cogl_color_new +cogl_color_copy +cogl_color_free +cogl_color_set_from_4ub +cogl_color_set_from_4f + + +cogl_color_get_red +cogl_color_get_green +cogl_color_get_blue +cogl_color_get_alpha + + +cogl_color_get_red_byte +cogl_color_get_green_byte +cogl_color_get_blue_byte +cogl_color_get_alpha_byte + + +cogl_color_get_red_float +cogl_color_get_green_float +cogl_color_get_blue_float +cogl_color_get_alpha_float + + +cogl_color_set_red +cogl_color_set_green +cogl_color_set_blue +cogl_color_set_alpha + + +cogl_color_set_red_byte +cogl_color_set_green_byte +cogl_color_set_blue_byte +cogl_color_set_alpha_byte + + +cogl_color_set_red_float +cogl_color_set_green_float +cogl_color_set_blue_float +cogl_color_set_alpha_float + + +cogl_color_premultiply +cogl_color_unpremultiply +cogl_color_equal + + +cogl_color_init_from_hsl +cogl_color_to_hsl +
+ +
+cogl-matrix +Matrices +CoglMatrix +cogl_matrix_init_identity +cogl_matrix_init_from_array +cogl_matrix_init_translation +cogl_matrix_init_from_quaternion +cogl_matrix_init_from_euler +cogl_matrix_copy +cogl_matrix_equal +cogl_matrix_free +cogl_matrix_frustum +cogl_matrix_orthographic +cogl_matrix_perspective +cogl_matrix_look_at +cogl_matrix_multiply +cogl_matrix_rotate +cogl_matrix_rotate_quaternion +cogl_matrix_rotate_euler +cogl_matrix_translate +cogl_matrix_scale +cogl_matrix_transpose +cogl_matrix_get_array +cogl_matrix_get_inverse +cogl_matrix_transform_point +cogl_matrix_transform_points +cogl_matrix_project_points +cogl_matrix_is_identity +
+ +
+cogl-matrix-stack +Matrix Stacks +CoglMatrixStack +CoglMatrixEntry +cogl_matrix_stack_new +cogl_matrix_stack_push +cogl_matrix_stack_pop +cogl_matrix_stack_load_identity +cogl_matrix_stack_scale +cogl_matrix_stack_translate +cogl_matrix_stack_rotate +cogl_matrix_stack_rotate_quaternion +cogl_matrix_stack_rotate_euler +cogl_matrix_stack_multiply +cogl_matrix_stack_frustum +cogl_matrix_stack_perspective +cogl_matrix_stack_orthographic +cogl_matrix_stack_get_inverse +cogl_matrix_stack_get_entry +cogl_matrix_stack_get +cogl_matrix_entry_get +cogl_matrix_stack_set +cogl_matrix_entry_calculate_translation +cogl_matrix_entry_is_identity +cogl_matrix_entry_equal +cogl_matrix_entry_ref +cogl_matrix_entry_unref +
+ +
+cogl-euler +Eulers (Rotations) +CoglEuler +cogl_euler_init +cogl_euler_init_from_matrix +cogl_euler_init_from_quaternion +cogl_euler_equal +cogl_euler_copy +cogl_euler_free +
+ +
+cogl-quaternion +Quaternions (Rotations) +CoglQuaternion +cogl_quaternion_init_identity +cogl_quaternion_init +cogl_quaternion_init_from_quaternion +cogl_quaternion_init_from_angle_vector +cogl_quaternion_init_from_array +cogl_quaternion_init_from_x_rotation +cogl_quaternion_init_from_y_rotation +cogl_quaternion_init_from_z_rotation +cogl_quaternion_init_from_euler +cogl_quaternion_equal +cogl_quaternion_copy +cogl_quaternion_free +cogl_quaternion_get_rotation_angle +cogl_quaternion_get_rotation_axis +cogl_quaternion_normalize +cogl_quaternion_dot_product +cogl_quaternion_invert +cogl_quaternion_multiply +cogl_quaternion_pow +cogl_quaternion_slerp +cogl_quaternion_nlerp +cogl_quaternion_squad +cogl_get_static_identity_quaternion +cogl_get_static_zero_quaternion +
+ +
+cogl-pipeline +Pipeline +CoglPipeline +cogl_pipeline_new +cogl_pipeline_copy +cogl_is_pipeline + +cogl_pipeline_set_color +cogl_pipeline_set_color4ub +cogl_pipeline_set_color4f +cogl_pipeline_get_color + +cogl_pipeline_set_ambient +cogl_pipeline_get_ambient +cogl_pipeline_set_diffuse +cogl_pipeline_get_diffuse +cogl_pipeline_set_ambient_and_diffuse +cogl_pipeline_set_emission +cogl_pipeline_get_emission +cogl_pipeline_set_specular +cogl_pipeline_get_specular +cogl_pipeline_set_shininess +cogl_pipeline_get_shininess + +CoglPipelineAlphaFunc +cogl_pipeline_set_alpha_test_function + +COGL_BLEND_STRING_ERROR +CoglBlendStringError +cogl_pipeline_set_blend +cogl_pipeline_set_blend_constant +cogl_pipeline_set_point_size +cogl_pipeline_get_point_size +cogl_pipeline_set_per_vertex_point_size +cogl_pipeline_get_per_vertex_point_size + +cogl_pipeline_get_color_mask +cogl_pipeline_set_color_mask + +cogl_pipeline_set_depth_state +cogl_pipeline_get_depth_state + +CoglPipelineCullFaceMode +cogl_pipeline_set_cull_face_mode +CoglWinding +cogl_pipeline_set_front_face_winding + +cogl_pipeline_set_layer_texture +cogl_pipeline_set_layer_null_texture +cogl_pipeline_get_layer_texture +CoglPipelineFilter +cogl_pipeline_set_layer_filters +cogl_pipeline_get_layer_min_filter +cogl_pipeline_get_layer_mag_filter +CoglPipelineWrapMode +cogl_pipeline_set_layer_wrap_mode +cogl_pipeline_set_layer_wrap_mode_s +cogl_pipeline_set_layer_wrap_mode_t +cogl_pipeline_set_layer_wrap_mode_p +cogl_pipeline_set_layer_combine +cogl_pipeline_set_layer_combine_constant +cogl_pipeline_set_layer_matrix +cogl_pipeline_set_layer_point_sprite_coords_enabled +cogl_pipeline_get_layer_point_sprite_coords_enabled + +cogl_pipeline_remove_layer + +cogl_pipeline_get_n_layers +CoglPipelineLayerCallback +cogl_pipeline_foreach_layer + +cogl_pipeline_get_uniform_location +cogl_pipeline_set_uniform_1f +cogl_pipeline_set_uniform_1i +cogl_pipeline_set_uniform_float +cogl_pipeline_set_uniform_int +cogl_pipeline_set_uniform_matrix + +cogl_pipeline_add_snippet +cogl_pipeline_add_layer_snippet + + +cogl_blend_string_error_get_type +cogl_blend_string_error_domain +
+ +
+cogl-depth-state +Depth State +CoglDepthState +CoglDepthTestFunction +cogl_depth_state_init +cogl_depth_state_set_test_enabled +cogl_depth_state_get_test_enabled +cogl_depth_state_set_test_function +cogl_depth_state_get_test_function +cogl_depth_state_set_write_enabled +cogl_depth_state_get_write_enabled +cogl_depth_state_set_range +cogl_depth_state_get_range +
+ +
+cogl-buffer +CoglBuffer: The Buffer Interface +CoglBuffer +cogl_is_buffer +cogl_buffer_get_size +CoglBufferUsageHint +cogl_buffer_set_usage_hint +cogl_buffer_get_usage_hint +CoglBufferUpdateHint +cogl_buffer_set_update_hint +cogl_buffer_get_update_hint +CoglBufferAccess +CoglBufferMapHint +cogl_buffer_map +cogl_buffer_map_range +cogl_buffer_unmap +cogl_buffer_set_data + + +CoglPixelBuffer +cogl_pixel_buffer_new +cogl_is_pixel_buffer + + +cogl_buffer_access_get_type +cogl_buffer_update_hint_get_type +cogl_buffer_usage_hint_get_type +
+ +
+cogl-attribute-buffer +CoglAttributeBuffer: Buffers of vertex attributes +CoglAttributeBuffer +cogl_attribute_buffer_new_with_size +cogl_attribute_buffer_new +cogl_is_attribute_buffer +
+ +
+cogl-index-buffer +CoglIndexBuffer: Buffers of vertex indices +CoglIndexBuffer +cogl_index_buffer_new +cogl_is_index_buffer +
+ +
+cogl-vector +3 Component Vectors +cogl_vector3_init +cogl_vector3_init_zero +cogl_vector3_equal +cogl_vector3_equal_with_epsilon +cogl_vector3_copy +cogl_vector3_free +cogl_vector3_invert +cogl_vector3_add +cogl_vector3_subtract +cogl_vector3_multiply_scalar +cogl_vector3_divide_scalar +cogl_vector3_normalize +cogl_vector3_magnitude +cogl_vector3_cross_product +cogl_vector3_dot_product +cogl_vector3_distance +
+ +
+cogl-fence +GPU synchronisation fences +CoglFence +CoglFenceCallback +CoglFenceClosure +cogl_fence_closure_get_user_data +cogl_framebuffer_add_fence_callback +cogl_framebuffer_cancel_fence_callback +
+ +
+cogl-version +Versioning utility macros +COGL_VERSION_MAJOR +COGL_VERSION_MINOR +COGL_VERSION_MICRO +COGL_VERSION_STRING +COGL_VERSION +COGL_VERSION_ENCODE +COGL_VERSION_CHECK +COGL_VERSION_GET_MAJOR +COGL_VERSION_GET_MINOR +COGL_VERSION_GET_MICRO +
+ +
+cogl-gtype +GType Integration API +cogl_gtype_matrix_get_type +
+ +
+cogl-sdl +SDL Integration +cogl_sdl_context_new +cogl_sdl_renderer_set_event_type +cogl_sdl_renderer_get_event_type +cogl_sdl_handle_event +cogl_sdl_idle +cogl_sdl_onscreen_get_window +
+ +
+cogl-gles2 +GLES 2.0 context + + +CoglGLES2Context +CoglGLES2Vtable +COGL_GLES2_CONTEXT_ERROR +CoglGLES2ContextError +cogl_gles2_context_new +cogl_is_gles2_context + + +cogl_gles2_context_get_vtable +cogl_push_gles2_context +cogl_pop_gles2_context +cogl_gles2_get_current_vtable + + +cogl_gles2_texture_2d_new_from_handle +cogl_gles2_texture_get_handle +
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+

+Cogl - a modern 3D graphics API

+
+
About Cogl
+
General API concepts
+
+
+The Object Interface +
+
+Exception handling — A way for Cogl to throw exceptions +
+
+Common Types — Types used throughout the library +
+
+
Setting Up A Drawing Context
+
+
+CoglRenderer: Connect to a backend renderer — Choosing a means to render +
+
+CoglOnscreenTemplate: Describe a template for onscreen framebuffers +
+
+CoglDisplay: Setup a display pipeline — Common aspects of a display pipeline +
+
+The Top-Level Context — The top level application context. +
+
+
Setting Up A GPU Pipeline
+
+
+Blend Strings — A simple syntax and grammar for describing blending and texture +combining functions. +
+
+Pipeline — Functions for creating and manipulating the GPU + pipeline +
+
+Depth State — Functions for describing the depth testing + state of your GPU. +
+
+Shader snippets — Functions for creating and manipulating shader snippets +
+
+
Allocating GPU Memory
+
+
+CoglBuffer: The Buffer Interface — Common buffer functions, including data upload APIs +
+
+CoglAttributeBuffer: Buffers of vertex attributes — Functions for creating and manipulating attribute + buffers +
+
+CoglIndexBuffer: Buffers of vertex indices — Functions for creating and manipulating vertex +indices. +
+
+
Describing the layout of GPU Memory
+
+
+Vertex Attributes — Functions for declaring and drawing vertex + attributes +
+
+IndicesDescribe vertex indices stored in a CoglIndexBuffer. +
+
+
Geometry
+
+
+Primitives — Functions for creating, manipulating and drawing + primitives +
+
+Path Primitives +
+
+Rectangles +
+
+
Textures
+
+
+Bitmap — Functions for loading images +
+
+The Texture Interface — Functions for creating and manipulating textures +
+
+
Meta Textures
+
+
+High Level Meta TexturesInterface for high-level textures built from + low-level textures like CoglTexture2D and + CoglTexture3D. +
+
+Sub Textures — Functions for creating and manipulating + sub-textures. +
+
+Sliced Textures — Functions for creating and manipulating 2D meta + textures that may internally be comprised of + multiple 2D textures with power-of-two sizes. +
+
+X11 Texture From Pixmap — Functions for creating and manipulating 2D meta + textures derived from X11 pixmaps. +
+
+
Primitive Textures
+
+
+Low-level primitive texturesInterface for low-level textures like + CoglTexture2D and CoglTexture3D. +
+
+2D textures — Functions for creating and manipulating 2D textures +
+
+3D textures — Functions for creating and manipulating 3D textures +
+
+Rectangle textures (non-normalized coordinates) — Functions for creating and manipulating rectangle + textures for use with non-normalized coordinates. +
+
+
Framebuffers
+
+
+CoglFramebuffer: The Framebuffer Interface — A common interface for manipulating framebuffers +
+
+CoglOnscreen: The Onscreen Framebuffer Interface +
+
+Offscreen Framebuffers — Functions for creating and manipulating offscreen + framebuffers. +
+
+
Utilities
+
+
+Color Type — A generic color definition +
+
+Matrices — Functions for initializing and manipulating 4x4 matrices +
+
+Matrix Stacks — Functions for efficiently tracking many + related transformations +
+
+3 Component Vectors — Functions for handling single precision float + vectors. +
+
+Eulers (Rotations) — Functions for initializing and manipulating +euler angles. +
+
+Quaternions (Rotations) — Functions for initializing and manipulating +quaternions. +
+
+GPU synchronisation fences — Functions for notification of command completion +
+
+Versioning utility macros — Macros for determining the version of Cogl being used +
+
+
Binding and Integrating
+
+
+SDL Integration — Integration api for the Simple DirectMedia + Layer library. +
+
+Main loop integration — Functions for integrating Cogl with an + application's main loop +
+
+GType Integration API +
+
+GLES 2.0 context — A portable api to access OpenGLES 2.0 +
+
+
+
+

+About Cogl

+

Cogl is a modern 3D graphics API with associated utility + APIs designed to expose the features of 3D graphics hardware + using a more object oriented design than OpenGL. The library has + primarily been driven by the practical needs of Clutter but it + is not tied to any one toolkit or even constrained to developing + UI toolkits.

+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-2D-textures.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-2D-textures.html new file mode 100644 index 0000000..dbc2078 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-2D-textures.html @@ -0,0 +1,441 @@ + + + + +2D textures + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

2D textures

+

2D textures — Functions for creating and manipulating 2D textures

+
+
+

Synopsis

+
                    CoglTexture2D;
+CoglTexture2D *     cogl_texture_2d_new_with_size       (CoglContext *ctx,
+                                                         int width,
+                                                         int height);
+CoglTexture2D *     cogl_texture_2d_new_from_file       (CoglContext *ctx,
+                                                         const char *filename,
+                                                         CoglError **error);
+CoglTexture2D *     cogl_texture_2d_new_from_bitmap     (CoglBitmap *bitmap);
+CoglTexture2D *     cogl_texture_2d_new_from_data       (CoglContext *ctx,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         const uint8_t *data,
+                                                         CoglError **error);
+CoglTexture2D *     cogl_texture_2d_gl_new_from_foreign (CoglContext *ctx,
+                                                         unsigned int gl_handle,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format);
+CoglBool            cogl_is_texture_rectangle           (void *object);
+
+
+
+

Description

+

+These functions allow low-level 2D textures to be allocated. These +differ from sliced textures for example which may internally be +made up of multiple 2D textures, or atlas textures where Cogl must +internally modify user texture coordinates before they can be used +by the GPU. +

+

+You should be aware that many GPUs only support power of two sizes +for CoglTexture2D textures. You can check support for non power of +two textures by checking for the COGL_FEATURE_ID_TEXTURE_NPOT feature +via cogl_has_feature(). +

+
+
+

Details

+
+

CoglTexture2D

+
typedef struct _CoglTexture2D CoglTexture2D;
+
+
+
+

cogl_texture_2d_new_with_size ()

+
CoglTexture2D *     cogl_texture_2d_new_with_size       (CoglContext *ctx,
+                                                         int width,
+                                                         int height);
+

+Creates a low-level CoglTexture2D texture with a given width and +height that your GPU can texture from directly. +

+

+The storage for the texture is not allocated before this function +returns. You can call cogl_texture_allocate() to explicitly +allocate the underlying storage or preferably let Cogl +automatically allocate storage lazily when it may know more about +how the texture is being used and can optimize how it is allocated. +

+

+The texture is still configurable until it has been allocated so +for example you can influence the internal format of the texture +using cogl_texture_set_components() and +cogl_texture_set_premultiplied(). +

+

+

+
+

Note

Many GPUs only support power of two sizes for CoglTexture2D +textures. You can check support for non power of two textures by +checking for the COGL_FEATURE_ID_TEXTURE_NPOT feature via +cogl_has_feature().
+

+

+
++++ + + + + + + + + + + + + + + + + + + +

ctx :

A CoglContext +

width :

Width of the texture to allocate

height :

Height of the texture to allocate

Returns :

A new CoglTexture2D object with no storage yet allocated. [transfer full] +
+

Since 2.0

+
+
+
+

cogl_texture_2d_new_from_file ()

+
CoglTexture2D *     cogl_texture_2d_new_from_file       (CoglContext *ctx,
+                                                         const char *filename,
+                                                         CoglError **error);
+

+Creates a low-level CoglTexture2D texture from an image file. +

+

+The storage for the texture is not allocated before this function +returns. You can call cogl_texture_allocate() to explicitly +allocate the underlying storage or preferably let Cogl +automatically allocate storage lazily when it may know more about +how the texture is being used and can optimize how it is allocated. +

+

+The texture is still configurable until it has been allocated so +for example you can influence the internal format of the texture +using cogl_texture_set_components() and +cogl_texture_set_premultiplied(). +

+

+

+
+

Note

Many GPUs only support power of two sizes for CoglTexture2D +textures. You can check support for non power of two textures by +checking for the COGL_FEATURE_ID_TEXTURE_NPOT feature via +cogl_has_feature().
+

+

+
++++ + + + + + + + + + + + + + + + + + + +

ctx :

A CoglContext +

filename :

the file to load

error :

A CoglError to catch exceptional errors or NULL +

Returns :

A newly created CoglTexture2D or NULL on failure +and error will be updated. [transfer full] +
+

Since 1.16

+
+
+
+

cogl_texture_2d_new_from_bitmap ()

+
CoglTexture2D *     cogl_texture_2d_new_from_bitmap     (CoglBitmap *bitmap);
+

+Creates a low-level CoglTexture2D texture based on data residing +in a CoglBitmap. +

+

+The storage for the texture is not allocated before this function +returns. You can call cogl_texture_allocate() to explicitly +allocate the underlying storage or preferably let Cogl +automatically allocate storage lazily when it may know more about +how the texture is being used and can optimize how it is allocated. +

+

+The texture is still configurable until it has been allocated so +for example you can influence the internal format of the texture +using cogl_texture_set_components() and +cogl_texture_set_premultiplied(). +

+

+

+
+

Note

Many GPUs only support power of two sizes for CoglTexture2D +textures. You can check support for non power of two textures by +checking for the COGL_FEATURE_ID_TEXTURE_NPOT feature via +cogl_has_feature().
+

+

+
++++ + + + + + + + + + + +

bitmap :

A CoglBitmap +

Returns :

A newly allocated CoglTexture2D. [transfer full] +
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_texture_2d_new_from_data ()

+
CoglTexture2D *     cogl_texture_2d_new_from_data       (CoglContext *ctx,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         const uint8_t *data,
+                                                         CoglError **error);
+

+Creates a low-level CoglTexture2D texture based on data residing +in memory. +

+

+

+
+

Note

This api will always immediately allocate GPU memory for the +texture and upload the given data so that the data pointer does +not need to remain valid once this function returns. This means it +is not possible to configure the texture before it is allocated. If +you do need to configure the texture before allocation (to specify +constraints on the internal format for example) then you can +instead create a CoglBitmap for your data and use +cogl_texture_2d_new_from_bitmap() or use +cogl_texture_2d_new_with_size() and then upload data using +cogl_texture_set_data() +
+

+

+

+

+
+

Note

Many GPUs only support power of two sizes for CoglTexture2D +textures. You can check support for non power of two textures by +checking for the COGL_FEATURE_ID_TEXTURE_NPOT feature via +cogl_has_feature().
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

ctx :

A CoglContext +

width :

width of texture in pixels

height :

height of texture in pixels

format :

the CoglPixelFormat the buffer is stored in in RAM

rowstride :

the memory offset in bytes between the starts of +scanlines in data. A value of 0 will make Cogl automatically +calculate rowstride from width and format.

data :

pointer the memory region where the source buffer resides

error :

A CoglError for exceptions

Returns :

A newly allocated CoglTexture2D, or if +the size is not supported (because it is too large or a +non-power-of-two size that the hardware doesn't support) +it will return NULL and set error. [transfer full] +
+

Since 2.0

+
+
+
+

cogl_texture_2d_gl_new_from_foreign ()

+
CoglTexture2D *     cogl_texture_2d_gl_new_from_foreign (CoglContext *ctx,
+                                                         unsigned int gl_handle,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format);
+

+Wraps an existing GL_TEXTURE_2D texture object as a CoglTexture2D. +This can be used for integrating Cogl with software using OpenGL +directly. +

+

+The texture is still configurable until it has been allocated so +for example you can declare whether the texture is premultiplied +with cogl_texture_set_premultiplied(). +

+

+

+
+

Note

The results are undefined for passing an invalid gl_handle +or if width or height don't have the correct texture +geometry.
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

ctx :

A CoglContext +

gl_handle :

A GL handle for a GL_TEXTURE_2D texture object

width :

Width of the foreign GL texture

height :

Height of the foreign GL texture

format :

The format of the texture

Returns :

A newly allocated CoglTexture2D. [transfer full] +
+

Since 2.0

+
+
+
+

cogl_is_texture_rectangle ()

+
CoglBool            cogl_is_texture_rectangle           (void *object);
+

+Gets whether the given object references an existing +CoglTextureRectangle object. +

+
++++ + + + + + + + + + + +

object :

A CoglObject +

Returns :

 +TRUE if the object references a +CoglTextureRectangle, FALSE otherwise.
+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-3-Component-Vectors.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-3-Component-Vectors.html new file mode 100644 index 0000000..4eece23 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-3-Component-Vectors.html @@ -0,0 +1,798 @@ + + + + +3 Component Vectors + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

3 Component Vectors

+

3 Component Vectors — Functions for handling single precision float + vectors.

+
+
+

Synopsis

+
void                cogl_vector3_init                   (float *vector,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_vector3_init_zero              (float *vector);
+CoglBool            cogl_vector3_equal                  (const void *v1,
+                                                         const void *v2);
+CoglBool            cogl_vector3_equal_with_epsilon     (const float *vector0,
+                                                         const float *vector1,
+                                                         float epsilon);
+float *             cogl_vector3_copy                   (const float *vector);
+void                cogl_vector3_free                   (float *vector);
+void                cogl_vector3_invert                 (float *vector);
+void                cogl_vector3_add                    (float *result,
+                                                         const float *a,
+                                                         const float *b);
+void                cogl_vector3_subtract               (float *result,
+                                                         const float *a,
+                                                         const float *b);
+void                cogl_vector3_multiply_scalar        (float *vector,
+                                                         float scalar);
+void                cogl_vector3_divide_scalar          (float *vector,
+                                                         float scalar);
+void                cogl_vector3_normalize              (float *vector);
+float               cogl_vector3_magnitude              (const float *vector);
+void                cogl_vector3_cross_product          (float *result,
+                                                         const float *u,
+                                                         const float *v);
+float               cogl_vector3_dot_product            (const float *a,
+                                                         const float *b);
+float               cogl_vector3_distance               (const float *a,
+                                                         const float *b);
+
+
+
+

Description

+

+This exposes a utility API that can be used for basic manipulation of 3 +component float vectors. +

+
+
+

Details

+
+

cogl_vector3_init ()

+
void                cogl_vector3_init                   (float *vector,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+

+Initializes a 3 component, single precision float vector which can +then be manipulated with the cogl_vector convenience APIs. Vectors +can also be used in places where a "point" is often desired. +

+
++++ + + + + + + + + + + + + + + + + + + +

vector :

The 3 component vector you want to initialize

x :

The x component

y :

The y component

z :

The z component
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_init_zero ()

+
void                cogl_vector3_init_zero              (float *vector);
+

+Initializes a 3 component, single precision float vector with zero +for each component. +

+
++++ + + + + +

vector :

The 3 component vector you want to initialize
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_equal ()

+
CoglBool            cogl_vector3_equal                  (const void *v1,
+                                                         const void *v2);
+

+Compares the components of two vectors and returns TRUE if they are +the same. +

+

+The comparison of the components is done with the '==' operator +such that -0 is considered equal to 0, but otherwise there is no +fuzziness such as an epsilon to consider vectors that are +essentially identical except for some minor precision error +differences due to the way they have been manipulated. +

+
++++ + + + + + + + + + + + + + + +

v1 :

The first 3 component vector you want to compare

v2 :

The second 3 component vector you want to compare

Returns :

TRUE if the vectors are equal else FALSE.
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_equal_with_epsilon ()

+
CoglBool            cogl_vector3_equal_with_epsilon     (const float *vector0,
+                                                         const float *vector1,
+                                                         float epsilon);
+

+Compares the components of two vectors using the given epsilon and +returns TRUE if they are the same, using an internal epsilon for +comparing the floats. +

+

+Each component is compared against the epsilon value in this way: +

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+if (fabsf (vector0->x - vector1->x) < epsilon)
+
+ +

+

+
++++ + + + + + + + + + + + + + + + + + + +

vector0 :

The first 3 component vector you want to compare

vector1 :

The second 3 component vector you want to compare

epsilon :

The allowable difference between components to still be +considered equal

Returns :

TRUE if the vectors are equal else FALSE.
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_copy ()

+
float *             cogl_vector3_copy                   (const float *vector);
+

+Allocates a new 3 component float vector on the heap initializing +the components from the given vector and returns a pointer to the +newly allocated vector. You should free the memory using +cogl_vector3_free() +

+
++++ + + + + + + + + + + +

vector :

The 3 component vector you want to copy

Returns :

A newly allocated 3 component float vector
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_free ()

+
void                cogl_vector3_free                   (float *vector);
+

+Frees a 3 component vector that was previously allocated with +cogl_vector3_copy() +

+
++++ + + + + +

vector :

The 3 component you want to free
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_invert ()

+
void                cogl_vector3_invert                 (float *vector);
+

+Inverts/negates all the components of the given vector. +

+
++++ + + + + +

vector :

The 3 component vector you want to manipulate
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_add ()

+
void                cogl_vector3_add                    (float *result,
+                                                         const float *a,
+                                                         const float *b);
+

+Adds each of the corresponding components in vectors a and b +storing the results in result. +

+
++++ + + + + + + + + + + + + + + +

result :

Where you want the result written

a :

The first vector operand

b :

The second vector operand
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_subtract ()

+
void                cogl_vector3_subtract               (float *result,
+                                                         const float *a,
+                                                         const float *b);
+

+Subtracts each of the corresponding components in vector b from +a storing the results in result. +

+
++++ + + + + + + + + + + + + + + +

result :

Where you want the result written

a :

The first vector operand

b :

The second vector operand
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_multiply_scalar ()

+
void                cogl_vector3_multiply_scalar        (float *vector,
+                                                         float scalar);
+

+Multiplies each of the vector components by the given scalar. +

+
++++ + + + + + + + + + + +

vector :

The 3 component vector you want to manipulate

scalar :

The scalar you want to multiply the vector components by
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_divide_scalar ()

+
void                cogl_vector3_divide_scalar          (float *vector,
+                                                         float scalar);
+

+Divides each of the vector components by the given scalar. +

+
++++ + + + + + + + + + + +

vector :

The 3 component vector you want to manipulate

scalar :

The scalar you want to divide the vector components by
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_normalize ()

+
void                cogl_vector3_normalize              (float *vector);
+

+Updates the vector so it is a "unit vector" such that the +vectors magnitude or length is equal to 1. +

+

+

+
+

Note

It's safe to use this function with the [0, 0, 0] vector, it will not +try to divide components by 0 (its norm) and will leave the vector +untouched.
+

+

+
++++ + + + + +

vector :

The 3 component vector you want to manipulate
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_magnitude ()

+
float               cogl_vector3_magnitude              (const float *vector);
+

+Calculates the scalar magnitude or length of vector. +

+
++++ + + + + + + + + + + +

vector :

The 3 component vector you want the magnitude for

Returns :

The magnitude of vector.
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_cross_product ()

+
void                cogl_vector3_cross_product          (float *result,
+                                                         const float *u,
+                                                         const float *v);
+

+Calculates the cross product between the two vectors u and v. +

+

+The cross product is a vector perpendicular to both u and v. This +can be useful for calculating the normal of a polygon by creating +two vectors in its plane using the polygons vertices and taking +their cross product. +

+

+If the two vectors are parallel then the cross product is 0. +

+

+You can use a right hand rule to determine which direction the +perpendicular vector will point: If you place the two vectors tail, +to tail and imagine grabbing the perpendicular line that extends +through the common tail with your right hand such that you fingers +rotate in the direction from u to v then the resulting vector +points along your extended thumb. +

+
++++ + + + + + + + + + + + + + + + + + + +

result :

Where you want the result written

u :

Your first 3 component vector

v :

Your second 3 component vector

Returns :

The cross product between two vectors u and v.
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_dot_product ()

+
float               cogl_vector3_dot_product            (const float *a,
+                                                         const float *b);
+

+Calculates the dot product of the two 3 component vectors. This +can be used to determine the magnitude of one vector projected onto +another. (for example a surface normal) +

+

+For example if you have a polygon with a given normal vector and +some other point for which you want to calculate its distance from +the polygon, you can create a vector between one of the polygon +vertices and that point and use the dot product to calculate the +magnitude for that vector but projected onto the normal of the +polygon. This way you don't just get the distance from the point to +the edge of the polygon you get the distance from the point to the +nearest part of the polygon. +

+

+

+
+

Note

If you don't use a unit length normal in the above example +then you would then also have to divide the result by the magnitude +of the normal
+

+

+

+The dot product is calculated as: +

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+(a->x * b->x + a->y * b->y + a->z * b->z)
+
+ +

+

+

+For reference, the dot product can also be calculated from the +angle between two vectors as: +

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+|a||b|cos𝜃
+
+ +

+

+
++++ + + + + + + + + + + + + + + +

a :

Your first 3 component vector

b :

Your second 3 component vector

Returns :

The dot product of two vectors.
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_vector3_distance ()

+
float               cogl_vector3_distance               (const float *a,
+                                                         const float *b);
+

+If you consider the two given vectors as (x,y,z) points instead +then this will compute the distance between those two points. +

+
++++ + + + + + + + + + + + + + + +

a :

The first point

b :

The second point

Returns :

The distance between two points given as 3 component +vectors.
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-3D-textures.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-3D-textures.html new file mode 100644 index 0000000..cd6dbe7 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-3D-textures.html @@ -0,0 +1,332 @@ + + + + +3D textures + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

3D textures

+

3D textures — Functions for creating and manipulating 3D textures

+
+
+

Synopsis

+
                    CoglTexture3D;
+CoglTexture3D *     cogl_texture_3d_new_with_size       (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         int depth);
+CoglTexture3D *     cogl_texture_3d_new_from_bitmap     (CoglBitmap *bitmap,
+                                                         int height,
+                                                         int depth);
+CoglTexture3D *     cogl_texture_3d_new_from_data       (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         int depth,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         int image_stride,
+                                                         const uint8_t *data,
+                                                         CoglError **error);
+CoglBool            cogl_is_texture_3d                  (void *object);
+
+
+
+

Description

+

+These functions allow 3D textures to be used. 3D textures can be +thought of as layers of 2D images arranged into a cuboid +shape. When choosing a texel from the texture, Cogl will take into +account the 'r' texture coordinate to select one of the images. +

+
+
+

Details

+
+

CoglTexture3D

+
typedef struct _CoglTexture3D CoglTexture3D;
+
+
+
+

cogl_texture_3d_new_with_size ()

+
CoglTexture3D *     cogl_texture_3d_new_with_size       (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         int depth);
+

+Creates a low-level CoglTexture3D texture with the specified +dimensions and pixel format. +

+

+The storage for the texture is not allocated before this function +returns. You can call cogl_texture_allocate() to explicitly +allocate the underlying storage or preferably let Cogl +automatically allocate storage lazily when it may know more about +how the texture is going to be used and can optimize how it is +allocated. +

+

+The texture is still configurable until it has been allocated so +for example you can influence the internal format of the texture +using cogl_texture_set_components() and +cogl_texture_set_premultiplied(). +

+

+

+
+

Note

This texture will fail to allocate later if +COGL_FEATURE_ID_TEXTURE_3D is not advertised. Allocation can also +fail if the requested dimensions are not supported by the +GPU.
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

context :

a CoglContext +

width :

width of the texture in pixels.

height :

height of the texture in pixels.

depth :

depth of the texture in pixels.

Returns :

A new CoglTexture3D object with no storage yet allocated. [transfer full] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_texture_3d_new_from_bitmap ()

+
CoglTexture3D *     cogl_texture_3d_new_from_bitmap     (CoglBitmap *bitmap,
+                                                         int height,
+                                                         int depth);
+

+Creates a low-level 3D texture and initializes it with the images +in bitmap. The images are assumed to be packed together after one +another in the increasing y axis. The height of individual image is +given as height and the number of images is given in depth. The +actual height of the bitmap can be larger than height × depth. In +this case it assumes there is padding between the images. +

+

+The storage for the texture is not allocated before this function +returns. You can call cogl_texture_allocate() to explicitly +allocate the underlying storage or preferably let Cogl +automatically allocate storage lazily when it may know more about +how the texture is going to be used and can optimize how it is +allocated. +

+

+The texture is still configurable until it has been allocated so +for example you can influence the internal format of the texture +using cogl_texture_set_components() and +cogl_texture_set_premultiplied(). +

+

+

+
+

Note

This texture will fail to allocate later if +COGL_FEATURE_ID_TEXTURE_3D is not advertised. Allocation can also +fail if the requested dimensions are not supported by the +GPU.
+

+

+
++++ + + + + + + + + + + + + + + + + + + +

bitmap :

A CoglBitmap object.

height :

height of the texture in pixels.

depth :

depth of the texture in pixels.

Returns :

a newly created CoglTexture3D. [transfer full] +
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_texture_3d_new_from_data ()

+
CoglTexture3D *     cogl_texture_3d_new_from_data       (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         int depth,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         int image_stride,
+                                                         const uint8_t *data,
+                                                         CoglError **error);
+

+Creates a low-level 3D texture and initializes it with data. The +data is assumed to be packed array of depth images. There can be +padding between the images using image_stride. +

+

+

+
+

Note

This api will always immediately allocate GPU memory for the +texture and upload the given data so that the data pointer does +not need to remain valid once this function returns. This means it +is not possible to configure the texture before it is allocated. If +you do need to configure the texture before allocation (to specify +constraints on the internal format for example) then you can +instead create a CoglBitmap for your data and use +cogl_texture_3d_new_from_bitmap().
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

context :

a CoglContext +

width :

width of the texture in pixels.

height :

height of the texture in pixels.

depth :

depth of the texture in pixels.

format :

the CoglPixelFormat the buffer is stored in in RAM

rowstride :

the memory offset in bytes between the starts of +scanlines in data or 0 to infer it from the width and format

image_stride :

the number of bytes from one image to the next. This +can be used to add padding between the images in a similar way +that the rowstride can be used to add padding between +rows. Alternatively 0 can be passed to infer the image_stride +from the height.

data :

pointer the memory region where the source buffer resides

error :

A CoglError return location.

Returns :

the newly created CoglTexture3D or +NULL if there was an error and an exception will be +returned through error. [transfer full] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_is_texture_3d ()

+
CoglBool            cogl_is_texture_3d                  (void *object);
+

+Checks whether the given object references a CoglTexture3D +

+
++++ + + + + + + + + + + +

object :

a CoglObject +

Returns :

 +TRUE if the passed object represents a 3D texture +and FALSE otherwise
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Bitmap.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Bitmap.html new file mode 100644 index 0000000..6e12194 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Bitmap.html @@ -0,0 +1,598 @@ + + + + +Bitmap + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Bitmap

+

Bitmap — Functions for loading images

+
+
+

Synopsis

+
                    CoglBitmap;
+CoglBool            cogl_is_bitmap                      (void *object);
+
+CoglBitmap *        cogl_bitmap_new_from_file           (const char *filename,
+                                                         CoglError **error);
+CoglBitmap *        cogl_bitmap_new_from_buffer         (CoglBuffer *buffer,
+                                                         CoglPixelFormat format,
+                                                         int width,
+                                                         int height,
+                                                         int rowstride,
+                                                         int offset);
+CoglBitmap *        cogl_bitmap_new_with_size           (CoglContext *context,
+                                                         unsigned int width,
+                                                         unsigned int height,
+                                                         CoglPixelFormat format);
+CoglBitmap *        cogl_bitmap_new_for_data            (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         uint8_t *data);
+
+CoglPixelFormat     cogl_bitmap_get_format              (CoglBitmap *bitmap);
+int                 cogl_bitmap_get_width               (CoglBitmap *bitmap);
+int                 cogl_bitmap_get_height              (CoglBitmap *bitmap);
+int                 cogl_bitmap_get_rowstride           (CoglBitmap *bitmap);
+CoglPixelBuffer *   cogl_bitmap_get_buffer              (CoglBitmap *bitmap);
+CoglBool            cogl_bitmap_get_size_from_file      (const char *filename,
+                                                         int *width,
+                                                         int *height);
+
+CoglTexture *       cogl_texture_new_from_bitmap        (CoglBitmap *bitmap,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat internal_format);
+
+#define             COGL_BITMAP_ERROR
+enum                CoglBitmapError;
+
+
+
+

Description

+

+Cogl allows loading image data into memory as CoglBitmaps without +loading them immediately into GPU textures. +

+

+CoglBitmap is available since Cogl 1.0 +

+
+
+

Details

+
+

CoglBitmap

+
typedef struct _CoglBitmap CoglBitmap;
+
+
+
+

cogl_is_bitmap ()

+
CoglBool            cogl_is_bitmap                      (void *object);
+

+Checks whether object is a CoglBitmap +

+
++++ + + + + + + + + + + +

object :

a CoglObject pointer

Returns :

 +TRUE if the passed object represents a bitmap, +and FALSE otherwise
+

Since 1.0

+
+
+
+

cogl_bitmap_new_from_file ()

+
CoglBitmap *        cogl_bitmap_new_from_file           (const char *filename,
+                                                         CoglError **error);
+

+Loads an image file from disk. This function can be safely called from +within a thread. +

+
++++ + + + + + + + + + + + + + + +

filename :

the file to load.

error :

a CoglError or NULL.

Returns :

a CoglBitmap to the new loaded +image data, or NULL if loading the image failed. [transfer full] +
+

Since 1.0

+
+
+
+

cogl_bitmap_new_from_buffer ()

+
CoglBitmap *        cogl_bitmap_new_from_buffer         (CoglBuffer *buffer,
+                                                         CoglPixelFormat format,
+                                                         int width,
+                                                         int height,
+                                                         int rowstride,
+                                                         int offset);
+

+Wraps some image data that has been uploaded into a CoglBuffer as +a CoglBitmap. The data is not copied in this process. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

buffer :

A CoglBuffer containing image data

format :

The CoglPixelFormat defining the format of the image data +in the given buffer.

width :

The width of the image data in the given buffer.

height :

The height of the image data in the given buffer.

rowstride :

The rowstride in bytes of the image data in the given buffer.

offset :

The offset into the given buffer to the first pixel that +should be considered part of the CoglBitmap.

Returns :

a CoglBitmap encapsulating the given buffer. [transfer full] +
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_bitmap_new_with_size ()

+
CoglBitmap *        cogl_bitmap_new_with_size           (CoglContext *context,
+                                                         unsigned int width,
+                                                         unsigned int height,
+                                                         CoglPixelFormat format);
+

+Creates a new CoglBitmap with the given width, height and format. +The initial contents of the bitmap are undefined. +

+

+The data for the bitmap will be stored in a newly created +CoglPixelBuffer. You can get a pointer to the pixel buffer using +cogl_bitmap_get_buffer(). The CoglBuffer API can then be +used to fill the bitmap with data. +

+

+

+
+

Note

Cogl will try its best to provide a hardware array you can +map, write into and effectively do a zero copy upload when creating +a texture from it with cogl_texture_new_from_bitmap(). For various +reasons, such arrays are likely to have a stride larger than width +* bytes_per_pixel. The user must take the stride into account when +writing into it. The stride can be retrieved with +cogl_bitmap_get_rowstride().
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

context :

A CoglContext +

width :

width of the bitmap in pixels

height :

height of the bitmap in pixels

format :

the format of the pixels the array will store

Returns :

a CoglPixelBuffer representing the +newly created array or NULL on failure. [transfer full] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_bitmap_new_for_data ()

+
CoglBitmap *        cogl_bitmap_new_for_data            (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         uint8_t *data);
+

+Creates a bitmap using some existing data. The data is not copied +so the application must keep the buffer alive for the lifetime of +the CoglBitmap. This can be used for example with +cogl_framebuffer_read_pixels_into_bitmap() to read data directly +into an application buffer with the specified rowstride. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

context :

A CoglContext +

width :

The width of the bitmap.

height :

The height of the bitmap.

format :

The format of the pixel data.

rowstride :

The rowstride of the bitmap (the number of bytes from +the start of one row of the bitmap to the next).

data :

A pointer to the data. The bitmap will take ownership of this data.

Returns :

A new CoglBitmap. [transfer full] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_bitmap_get_format ()

+
CoglPixelFormat     cogl_bitmap_get_format              (CoglBitmap *bitmap);
+
++++ + + + + + + + + + + +

bitmap :

A CoglBitmap +

Returns :

the CoglPixelFormat that the data for the bitmap is in.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_bitmap_get_width ()

+
int                 cogl_bitmap_get_width               (CoglBitmap *bitmap);
+
++++ + + + + + + + + + + +

bitmap :

A CoglBitmap +

Returns :

the width of the bitmap
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_bitmap_get_height ()

+
int                 cogl_bitmap_get_height              (CoglBitmap *bitmap);
+
++++ + + + + + + + + + + +

bitmap :

A CoglBitmap +

Returns :

the height of the bitmap
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_bitmap_get_rowstride ()

+
int                 cogl_bitmap_get_rowstride           (CoglBitmap *bitmap);
+
++++ + + + + + + + + + + +

bitmap :

A CoglBitmap +

Returns :

the rowstride of the bitmap. This is the number of +bytes between the address of start of one row to the address of the +next row in the image.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_bitmap_get_buffer ()

+
CoglPixelBuffer *   cogl_bitmap_get_buffer              (CoglBitmap *bitmap);
+
++++ + + + + + + + + + + +

bitmap :

A CoglBitmap +

Returns :

the CoglPixelBuffer that this +buffer uses for storage. Note that if the bitmap was created with +cogl_bitmap_new_from_file() then it will not actually be using a +pixel buffer and this function will return NULL. [transfer none] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_bitmap_get_size_from_file ()

+
CoglBool            cogl_bitmap_get_size_from_file      (const char *filename,
+                                                         int *width,
+                                                         int *height);
+

+Parses an image file enough to extract the width and height +of the bitmap. +

+
++++ + + + + + + + + + + + + + + + + + + +

filename :

the file to check

width :

return location for the bitmap width, or NULL. [out] +

height :

return location for the bitmap height, or NULL. [out] +

Returns :

 +TRUE if the image was successfully parsed
+

Since 1.0

+
+
+
+

cogl_texture_new_from_bitmap ()

+
CoglTexture *       cogl_texture_new_from_bitmap        (CoglBitmap *bitmap,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat internal_format);
+
+

Warning

+

cogl_texture_new_from_bitmap has been deprecated since version 1.18 and should not be used in newly-written code. Use specific constructors such as + cogl_texture_2d_new_from_bitmap()

+
+

+Creates a CoglTexture from a CoglBitmap. +

+
++++ + + + + + + + + + + + + + + + + + + +

bitmap :

A CoglBitmap pointer

flags :

Optional flags for the texture, or COGL_TEXTURE_NONE +

internal_format :

the CoglPixelFormat to use for the GPU storage of the +texture

Returns :

A newly created CoglTexture or +NULL on failure. [transfer full] +
+

Since 1.0

+
+
+
+

COGL_BITMAP_ERROR

+
#define COGL_BITMAP_ERROR (cogl_bitmap_error_quark ())
+
+

+CoglError domain for bitmap errors. +

+

Since 1.4

+
+
+
+

enum CoglBitmapError

+
typedef enum {
+  COGL_BITMAP_ERROR_FAILED,
+  COGL_BITMAP_ERROR_UNKNOWN_TYPE,
+  COGL_BITMAP_ERROR_CORRUPT_IMAGE
+} CoglBitmapError;
+
+

+Error codes that can be thrown when performing bitmap +operations. Note that gdk_pixbuf_new_from_file() can also throw +errors directly from the underlying image loading library. For +example, if GdkPixbuf is used then errors GdkPixbufErrors +will be used directly. +

+
++++ + + + + + + + + + + + + + + +

COGL_BITMAP_ERROR_FAILED

Generic failure code, something went + wrong. +

COGL_BITMAP_ERROR_UNKNOWN_TYPE

Unknown image type. +

COGL_BITMAP_ERROR_CORRUPT_IMAGE

An image file was broken somehow. +
+

Since 1.4

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglAttributeBuffer---Buffers-of-vertex-attributes.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglAttributeBuffer---Buffers-of-vertex-attributes.html new file mode 100644 index 0000000..823f864 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglAttributeBuffer---Buffers-of-vertex-attributes.html @@ -0,0 +1,209 @@ + + + + +CoglAttributeBuffer: Buffers of vertex attributes + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

CoglAttributeBuffer: Buffers of vertex attributes

+

CoglAttributeBuffer: Buffers of vertex attributes — Functions for creating and manipulating attribute + buffers

+
+
+

Synopsis

+
                    CoglAttributeBuffer;
+CoglAttributeBuffer * cogl_attribute_buffer_new_with_size
+                                                        (CoglContext *context,
+                                                         size_t bytes);
+CoglAttributeBuffer * cogl_attribute_buffer_new         (CoglContext *context,
+                                                         size_t bytes,
+                                                         const void *data);
+CoglBool            cogl_is_attribute_buffer            (void *object);
+
+
+
+

Description

+

+FIXME +

+
+
+

Details

+
+

CoglAttributeBuffer

+
typedef struct _CoglAttributeBuffer CoglAttributeBuffer;
+
+
+
+

cogl_attribute_buffer_new_with_size ()

+
CoglAttributeBuffer * cogl_attribute_buffer_new_with_size
+                                                        (CoglContext *context,
+                                                         size_t bytes);
+

+Describes a new CoglAttributeBuffer of size bytes to contain +arrays of vertex attribute data. Afterwards data can be set using +cogl_buffer_set_data() or by mapping it into the application's +address space using cogl_buffer_map(). +

+

+The underlying storage of this buffer isn't allocated by this +function so that you have an opportunity to use the +cogl_buffer_set_update_hint() and cogl_buffer_set_usage_hint() +functions which may influence how the storage is allocated. The +storage will be allocated once you upload data to the buffer. +

+

+Note: You can assume this function always succeeds and won't return +NULL +

+
++++ + + + + + + + + + + + + + + +

context :

A CoglContext +

bytes :

The number of bytes to allocate for vertex attribute data.

Returns :

A newly allocated CoglAttributeBuffer. Never NULL. [transfer full] +
+

Stability Level: Unstable

+
+
+
+

cogl_attribute_buffer_new ()

+
CoglAttributeBuffer * cogl_attribute_buffer_new         (CoglContext *context,
+                                                         size_t bytes,
+                                                         const void *data);
+

+Describes a new CoglAttributeBuffer of size bytes to contain +arrays of vertex attribute data and also uploads size bytes read +from data to the new buffer. +

+

+You should never pass a NULL data pointer. +

+

+

+
+

Note

This function does not report out-of-memory errors back to +the caller by returning NULL and so you can assume this function +always succeeds.
+

+

+

+

+
+

Note

In the unlikely case that there is an out of memory problem +then Cogl will abort the application with a message. If your +application needs to gracefully handle out-of-memory errors then +you can use cogl_attribute_buffer_new_with_size() and then +explicitly catch errors with cogl_buffer_set_data() or +cogl_buffer_map().
+

+

+
++++ + + + + + + + + + + + + + + + + + + +

context :

A CoglContext +

bytes :

The number of bytes to allocate for vertex attribute data.

data :

An optional pointer to vertex data to +upload immediately. [array length=bytes] +

Returns :

A newly allocated CoglAttributeBuffer (never NULL). [transfer full] +
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_is_attribute_buffer ()

+
CoglBool            cogl_is_attribute_buffer            (void *object);
+

+Gets whether the given object references a CoglAttributeBuffer. +

+
++++ + + + + + + + + + + +

object :

A CoglObject +

Returns :

 +TRUE if object references a CoglAttributeBuffer, +FALSE otherwise
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglBuffer---The-Buffer-Interface.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglBuffer---The-Buffer-Interface.html new file mode 100644 index 0000000..523058b --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglBuffer---The-Buffer-Interface.html @@ -0,0 +1,604 @@ + + + + +CoglBuffer: The Buffer Interface + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

CoglBuffer: The Buffer Interface

+

CoglBuffer: The Buffer Interface — Common buffer functions, including data upload APIs

+
+
+

Stability Level

+Unstable, unless otherwise indicated +
+
+

Synopsis

+
typedef             CoglBuffer;
+CoglBool            cogl_is_buffer                      (void *object);
+unsigned int        cogl_buffer_get_size                (CoglBuffer *buffer);
+enum                CoglBufferUpdateHint;
+void                cogl_buffer_set_update_hint         (CoglBuffer *buffer,
+                                                         CoglBufferUpdateHint hint);
+CoglBufferUpdateHint cogl_buffer_get_update_hint        (CoglBuffer *buffer);
+enum                CoglBufferAccess;
+enum                CoglBufferMapHint;
+void *              cogl_buffer_map                     (CoglBuffer *buffer,
+                                                         CoglBufferAccess access,
+                                                         CoglBufferMapHint hints);
+void *              cogl_buffer_map_range               (CoglBuffer *buffer,
+                                                         size_t offset,
+                                                         size_t size,
+                                                         CoglBufferAccess access,
+                                                         CoglBufferMapHint hints,
+                                                         CoglError **error);
+void                cogl_buffer_unmap                   (CoglBuffer *buffer);
+CoglBool            cogl_buffer_set_data                (CoglBuffer *buffer,
+                                                         size_t offset,
+                                                         const void *data,
+                                                         size_t size);
+
+                    CoglPixelBuffer;
+CoglPixelBuffer *   cogl_pixel_buffer_new               (CoglContext *context,
+                                                         size_t size,
+                                                         const void *data);
+CoglBool            cogl_is_pixel_buffer                (void *object);
+
+
+
+

Description

+

+The CoglBuffer API provides a common interface to manipulate +buffers that have been allocated either via cogl_pixel_buffer_new() +or cogl_attribute_buffer_new(). The API allows you to upload data +to these buffers and define usage hints that help Cogl manage your +buffer optimally. +

+

+Data can either be uploaded by supplying a pointer and size so Cogl +can copy your data, or you can mmap() a CoglBuffer and then you can +copy data to the buffer directly. +

+

+One of the most common uses for CoglBuffers is to upload texture +data asynchronously since the ability to mmap the buffers into +the CPU makes it possible for another thread to handle the IO +of loading an image file and unpacking it into the mapped buffer +without blocking other Cogl operations. +

+
+
+

Details

+
+

CoglBuffer

+
typedef void CoglBuffer;
+
+
+
+
+

cogl_is_buffer ()

+
CoglBool            cogl_is_buffer                      (void *object);
+

+Checks whether buffer is a buffer object. +

+
++++ + + + + + + + + + + +

object :

a buffer object

Returns :

 +TRUE if the handle is a CoglBuffer, and FALSE otherwise
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+

cogl_buffer_get_size ()

+
unsigned int        cogl_buffer_get_size                (CoglBuffer *buffer);
+

+Retrieves the size of buffer +

+
++++ + + + + + + + + + + +

buffer :

a buffer object

Returns :

the size of the buffer in bytes
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+

enum CoglBufferUpdateHint

+
typedef enum {
+ /*< prefix=COGL_BUFFER_UPDATE_HINT >*/
+  COGL_BUFFER_UPDATE_HINT_STATIC,
+  COGL_BUFFER_UPDATE_HINT_DYNAMIC,
+  COGL_BUFFER_UPDATE_HINT_STREAM
+} CoglBufferUpdateHint;
+
+

+The update hint on a buffer allows the user to give some detail on how often +the buffer data is going to be updated. +

+
++++ + + + + + + + + + + + + + + +

COGL_BUFFER_UPDATE_HINT_STATIC

the buffer will not change over time +

COGL_BUFFER_UPDATE_HINT_DYNAMIC

the buffer will change from time to time +

COGL_BUFFER_UPDATE_HINT_STREAM

the buffer will be used once or a couple of + times +
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+

cogl_buffer_set_update_hint ()

+
void                cogl_buffer_set_update_hint         (CoglBuffer *buffer,
+                                                         CoglBufferUpdateHint hint);
+

+Sets the update hint on a buffer. See CoglBufferUpdateHint for a description +of the available hints. +

+
++++ + + + + + + + + + + +

buffer :

a buffer object

hint :

the new hint
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+

cogl_buffer_get_update_hint ()

+
CoglBufferUpdateHint cogl_buffer_get_update_hint        (CoglBuffer *buffer);
+

+Retrieves the update hints set using cogl_buffer_set_update_hint() +

+
++++ + + + + + + + + + + +

buffer :

a buffer object

Returns :

the CoglBufferUpdateHint currently used by the buffer
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+

enum CoglBufferAccess

+
typedef enum {
+ /*< prefix=COGL_BUFFER_ACCESS >*/
+ COGL_BUFFER_ACCESS_READ       = 1 << 0,
+ COGL_BUFFER_ACCESS_WRITE      = 1 << 1,
+ COGL_BUFFER_ACCESS_READ_WRITE = COGL_BUFFER_ACCESS_READ | COGL_BUFFER_ACCESS_WRITE
+} CoglBufferAccess;
+
+

+The access hints for cogl_buffer_set_update_hint() +

+
++++ + + + + + + + + + + + + + + +

COGL_BUFFER_ACCESS_READ

the buffer will be read +

COGL_BUFFER_ACCESS_WRITE

the buffer will written to +

COGL_BUFFER_ACCESS_READ_WRITE

the buffer will be used for both reading and + writing +
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+

enum CoglBufferMapHint

+
typedef enum {
+ /*< prefix=COGL_BUFFER_MAP_HINT >*/
+  COGL_BUFFER_MAP_HINT_DISCARD = 1 << 0,
+  COGL_BUFFER_MAP_HINT_DISCARD_RANGE = 1 << 1
+} CoglBufferMapHint;
+
+

+Hints to Cogl about how you are planning to modify the data once it +is mapped. +

+
++++ + + + + + + + + + + +

COGL_BUFFER_MAP_HINT_DISCARD

Tells Cogl that you plan to replace + all the buffer's contents. When this flag is used to map a + buffer, the entire contents of the buffer become undefined, even + if only a subregion of the buffer is mapped. +

COGL_BUFFER_MAP_HINT_DISCARD_RANGE

Tells Cogl that you plan to + replace all the contents of the mapped region. The contents of + the region specified are undefined after this flag is used to + map a buffer. +
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_buffer_map ()

+
void *              cogl_buffer_map                     (CoglBuffer *buffer,
+                                                         CoglBufferAccess access,
+                                                         CoglBufferMapHint hints);
+

+Maps the buffer into the application address space for direct +access. This is equivalent to calling cogl_buffer_map_range() with +zero as the offset and the size of the entire buffer as the size. +

+

+It is strongly recommended that you pass +COGL_BUFFER_MAP_HINT_DISCARD as a hint if you are going to replace +all the buffer's data. This way if the buffer is currently being +used by the GPU then the driver won't have to stall the CPU and +wait for the hardware to finish because it can instead allocate a +new buffer to map. +

+

+The behaviour is undefined if you access the buffer in a way +conflicting with the access mask you pass. It is also an error to +release your last reference while the buffer is mapped. +

+
++++ + + + + + + + + + + + + + + + + + + +

buffer :

a buffer object

access :

how the mapped buffer will be used by the application

hints :

A mask of CoglBufferMapHints that tell Cogl how +the data will be modified once mapped.

Returns :

A pointer to the mapped memory or +NULL is the call fails. [transfer none] +
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+

cogl_buffer_map_range ()

+
void *              cogl_buffer_map_range               (CoglBuffer *buffer,
+                                                         size_t offset,
+                                                         size_t size,
+                                                         CoglBufferAccess access,
+                                                         CoglBufferMapHint hints,
+                                                         CoglError **error);
+

+Maps a sub-region of the buffer into the application's address space +for direct access. +

+

+It is strongly recommended that you pass +COGL_BUFFER_MAP_HINT_DISCARD as a hint if you are going to replace +all the buffer's data. This way if the buffer is currently being +used by the GPU then the driver won't have to stall the CPU and +wait for the hardware to finish because it can instead allocate a +new buffer to map. You can pass +COGL_BUFFER_MAP_HINT_DISCARD_RANGE instead if you want the +regions outside of the mapping to be retained. +

+

+The behaviour is undefined if you access the buffer in a way +conflicting with the access mask you pass. It is also an error to +release your last reference while the buffer is mapped. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

buffer :

a buffer object

offset :

Offset within the buffer to start the mapping

size :

The size of data to map

access :

how the mapped buffer will be used by the application

hints :

A mask of CoglBufferMapHints that tell Cogl how +the data will be modified once mapped.

error :

A CoglError for catching exceptional errors

Returns :

A pointer to the mapped memory or +NULL is the call fails. [transfer none] +
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_buffer_unmap ()

+
void                cogl_buffer_unmap                   (CoglBuffer *buffer);
+

+Unmaps a buffer previously mapped by cogl_buffer_map(). +

+
++++ + + + + +

buffer :

a buffer object
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+

cogl_buffer_set_data ()

+
CoglBool            cogl_buffer_set_data                (CoglBuffer *buffer,
+                                                         size_t offset,
+                                                         const void *data,
+                                                         size_t size);
+

+Updates part of the buffer with new data from data. Where to put this new +data is controlled by offset and offset + data should be less than the +buffer size. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

buffer :

a buffer object

offset :

destination offset (in bytes) in the buffer

data :

a pointer to the data to be copied into the buffer

size :

number of bytes to copy

Returns :

 +TRUE is the operation succeeded, FALSE otherwise
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+

CoglPixelBuffer

+
typedef struct _CoglPixelBuffer CoglPixelBuffer;
+
+
+
+

cogl_pixel_buffer_new ()

+
CoglPixelBuffer *   cogl_pixel_buffer_new               (CoglContext *context,
+                                                         size_t size,
+                                                         const void *data);
+

+Declares a new CoglPixelBuffer of size bytes to contain arrays of +pixels. Once declared, data can be set using cogl_buffer_set_data() +or by mapping it into the application's address space using +cogl_buffer_map(). +

+

+If data isn't NULL then size bytes will be read from data and +immediately copied into the new buffer. +

+
++++ + + + + + + + + + + + + + + + + + + +

context :

A CoglContext +

size :

The number of bytes to allocate for the pixel data.

data :

An optional pointer to vertex data to upload immediately

Returns :

a newly allocated CoglPixelBuffer. [transfer full] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_is_pixel_buffer ()

+
CoglBool            cogl_is_pixel_buffer                (void *object);
+

+Checks whether object is a pixel buffer. +

+
++++ + + + + + + + + + + +

object :

a CoglObject to test

Returns :

 +TRUE if the object is a pixel buffer, and FALSE +otherwise
+

Since 1.2

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglDisplay---Setup-a-display-pipeline.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglDisplay---Setup-a-display-pipeline.html new file mode 100644 index 0000000..152bd37 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglDisplay---Setup-a-display-pipeline.html @@ -0,0 +1,334 @@ + + + + +CoglDisplay: Setup a display pipeline + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

CoglDisplay: Setup a display pipeline

+

CoglDisplay: Setup a display pipeline — Common aspects of a display pipeline

+
+
+

Synopsis

+
                    CoglDisplay;
+CoglBool            cogl_is_display                     (void *object);
+
+CoglDisplay *       cogl_display_new                    (CoglRenderer *renderer,
+                                                         CoglOnscreenTemplate *onscreen_template);
+CoglRenderer *      cogl_display_get_renderer           (CoglDisplay *display);
+CoglBool            cogl_display_setup                  (CoglDisplay *display,
+                                                         CoglError **error);
+
+void                cogl_gdl_display_set_plane          (CoglDisplay *display,
+                                                         gdl_plane_id_t plane);
+
+void                cogl_wayland_display_set_compositor_display
+                                                        (CoglDisplay *display,
+                                                         struct wl_display *wayland_display);
+
+
+
+

Description

+

+The basic intention for this object is to let the application +configure common display preferences before creating a context, and +there are a few different aspects to this... +

+

+Firstly there are options directly relating to the physical display +pipeline that is currently being used including the digital to +analogue conversion hardware and the screens the user sees. +

+

+Another aspect is that display options may constrain or affect how +onscreen framebuffers should later be configured. The original +rationale for the display object in fact was to let us handle GLX +and EGLs requirements that framebuffers must be "compatible" with +the config associated with the current context meaning we have to +force the user to describe how they would like to create their +onscreen windows before we can choose a suitable fbconfig and +create a GLContext. +

+
+
+

Details

+
+

CoglDisplay

+
typedef struct _CoglDisplay CoglDisplay;
+
+
+
+

cogl_is_display ()

+
CoglBool            cogl_is_display                     (void *object);
+

+Gets whether the given object references a CoglDisplay. +

+
++++ + + + + + + + + + + +

object :

A CoglObject pointer

Returns :

 +TRUE if the object references a CoglDisplay +and FALSE otherwise.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_display_new ()

+
CoglDisplay *       cogl_display_new                    (CoglRenderer *renderer,
+                                                         CoglOnscreenTemplate *onscreen_template);
+

+Explicitly allocates a new CoglDisplay object to encapsulate the +common state of the display pipeline that applies to the whole +application. +

+

+

+
+

Note

Many applications don't need to explicitly use +cogl_display_new() and can just jump straight to cogl_context_new() +and pass a NULL display argument so Cogl will automatically +connect and setup a renderer and display.
+

+

+

+A display can only be made for a specific choice of renderer which +is why this takes the renderer argument. +

+

+A common use for explicitly allocating a display object is to +define a template for allocating onscreen framebuffers which is +what the onscreen_template argument is for, or alternatively +you can use cogl_display_set_onscreen_template(). +

+

+When a display is first allocated via cogl_display_new() it is in a +mutable configuration mode. It's designed this way so we can +extend the apis available for configuring a display without +requiring huge numbers of constructor arguments. +

+

+When you have finished configuring a display object you can +optionally call cogl_display_setup() to explicitly apply the +configuration and check for errors. Alternaitvely you can pass the +display to cogl_context_new() and Cogl will implicitly apply your +configuration but if there are errors then the application will +abort with a message. For simple applications with no fallback +options then relying on the implicit setup can be fine. +

+
++++ + + + + + + + + + + + + + + +

renderer :

A CoglRenderer +

onscreen_template :

A CoglOnscreenTemplate +

Returns :

A newly allocated CoglDisplay +object in a mutable configuration mode. [transfer full] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_display_get_renderer ()

+
CoglRenderer *      cogl_display_get_renderer           (CoglDisplay *display);
+

+Queries the CoglRenderer associated with the given display. +

+
++++ + + + + + + + + + + +

display :

a CoglDisplay +

Returns :

The associated CoglRenderer. [transfer none] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_display_setup ()

+
CoglBool            cogl_display_setup                  (CoglDisplay *display,
+                                                         CoglError **error);
+

+Explicitly sets up the given display object. Use of this api is +optional since Cogl will internally setup the display if not done +explicitly. +

+

+When a display is first allocated via cogl_display_new() it is in a +mutable configuration mode. This allows us to extend the apis +available for configuring a display without requiring huge numbers +of constructor arguments. +

+

+Its possible to request a configuration that might not be +supportable on the current system and so this api provides a means +to apply the configuration explicitly but if it fails then an +exception will be returned so you can handle the error gracefully +and perhaps fall back to an alternative configuration. +

+

+If you instead rely on Cogl implicitly calling cogl_display_setup() +for you then if there is an error with the configuration you won't +get an opportunity to handle that and the application may abort +with a message. For simple applications that don't have any +fallback options this behaviour may be fine. +

+
++++ + + + + + + + + + + + + + + +

display :

a CoglDisplay +

error :

return location for a CoglError +

Returns :

Returns TRUE if there was no error, else it returns +FALSE and returns an exception via error.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_gdl_display_set_plane ()

+
void                cogl_gdl_display_set_plane          (CoglDisplay *display,
+                                                         gdl_plane_id_t plane);
+

+Request that Cogl output to a specific GDL overlay plane. +

+
++++ + + + + + + + + + + +

display :

a CoglDisplay +

plane :

the GDL plane id
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_wayland_display_set_compositor_display ()

+
void                cogl_wayland_display_set_compositor_display
+                                                        (CoglDisplay *display,
+                                                         struct wl_display *wayland_display);
+

+Informs Cogl of a compositor's Wayland display pointer. This +enables Cogl to register private wayland extensions required to +pass buffers between the clients and compositor. +

+
++++ + + + + + + + + + + +

display :

a CoglDisplay +

wayland_display :

A compositor's Wayland display pointer
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglFramebuffer---The-Framebuffer-Interface.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglFramebuffer---The-Framebuffer-Interface.html new file mode 100644 index 0000000..5ac45bf --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglFramebuffer---The-Framebuffer-Interface.html @@ -0,0 +1,2967 @@ + + + + +CoglFramebuffer: The Framebuffer Interface + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

CoglFramebuffer: The Framebuffer Interface

+

CoglFramebuffer: The Framebuffer Interface — A common interface for manipulating framebuffers

+
+
+

Synopsis

+
typedef             CoglFramebuffer;
+#define             COGL_FRAMEBUFFER                    (X)
+CoglBool            cogl_framebuffer_allocate           (CoglFramebuffer *framebuffer,
+                                                         CoglError **error);
+int                 cogl_framebuffer_get_width          (CoglFramebuffer *framebuffer);
+int                 cogl_framebuffer_get_height         (CoglFramebuffer *framebuffer);
+void                cogl_framebuffer_set_viewport       (CoglFramebuffer *framebuffer,
+                                                         float x,
+                                                         float y,
+                                                         float width,
+                                                         float height);
+float               cogl_framebuffer_get_viewport_x     (CoglFramebuffer *framebuffer);
+float               cogl_framebuffer_get_viewport_y     (CoglFramebuffer *framebuffer);
+float               cogl_framebuffer_get_viewport_width (CoglFramebuffer *framebuffer);
+float               cogl_framebuffer_get_viewport_height
+                                                        (CoglFramebuffer *framebuffer);
+void                cogl_framebuffer_get_viewport4fv    (CoglFramebuffer *framebuffer,
+                                                         float *viewport);
+int                 cogl_framebuffer_get_red_bits       (CoglFramebuffer *framebuffer);
+int                 cogl_framebuffer_get_green_bits     (CoglFramebuffer *framebuffer);
+int                 cogl_framebuffer_get_blue_bits      (CoglFramebuffer *framebuffer);
+int                 cogl_framebuffer_get_alpha_bits     (CoglFramebuffer *framebuffer);
+int                 cogl_framebuffer_get_depth_bits     (CoglFramebuffer *framebuffer);
+CoglColorMask       cogl_framebuffer_get_color_mask     (CoglFramebuffer *framebuffer);
+void                cogl_framebuffer_set_color_mask     (CoglFramebuffer *framebuffer,
+                                                         CoglColorMask color_mask);
+int                 cogl_framebuffer_get_samples_per_pixel
+                                                        (CoglFramebuffer *framebuffer);
+void                cogl_framebuffer_set_samples_per_pixel
+                                                        (CoglFramebuffer *framebuffer,
+                                                         int samples_per_pixel);
+void                cogl_framebuffer_resolve_samples    (CoglFramebuffer *framebuffer);
+void                cogl_framebuffer_resolve_samples_region
+                                                        (CoglFramebuffer *framebuffer,
+                                                         int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);
+CoglContext *       cogl_framebuffer_get_context        (CoglFramebuffer *framebuffer);
+void                cogl_framebuffer_clear              (CoglFramebuffer *framebuffer,
+                                                         unsigned long  buffers,
+                                                         const CoglColor *color);
+void                cogl_framebuffer_clear4f            (CoglFramebuffer *framebuffer,
+                                                         unsigned long  buffers,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+CoglBool            cogl_framebuffer_read_pixels_into_bitmap
+                                                        (CoglFramebuffer *framebuffer,
+                                                         int x,
+                                                         int y,
+                                                         CoglReadPixelsFlags source,
+                                                         CoglBitmap *bitmap);
+CoglBool            cogl_framebuffer_read_pixels        (CoglFramebuffer *framebuffer,
+                                                         int x,
+                                                         int y,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         uint8_t *pixels);
+void                cogl_framebuffer_set_dither_enabled (CoglFramebuffer *framebuffer,
+                                                         CoglBool dither_enabled);
+CoglBool            cogl_framebuffer_get_dither_enabled (CoglFramebuffer *framebuffer);
+
+void                cogl_framebuffer_draw_rectangle     (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2);
+void                cogl_framebuffer_draw_textured_rectangle
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         float s_1,
+                                                         float t_1,
+                                                         float s_2,
+                                                         float t_2);
+void                cogl_framebuffer_draw_multitextured_rectangle
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         const float *tex_coords,
+                                                         int tex_coords_len);
+void                cogl_framebuffer_draw_rectangles    (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         const float *coordinates,
+                                                         unsigned int n_rectangles);
+void                cogl_framebuffer_draw_textured_rectangles
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         const float *coordinates,
+                                                         unsigned int n_rectangles);
+
+void                cogl_framebuffer_discard_buffers    (CoglFramebuffer *framebuffer,
+                                                         unsigned long  buffers);
+void                cogl_framebuffer_finish             (CoglFramebuffer *framebuffer);
+
+void                cogl_framebuffer_push_matrix        (CoglFramebuffer *framebuffer);
+void                cogl_framebuffer_pop_matrix         (CoglFramebuffer *framebuffer);
+void                cogl_framebuffer_identity_matrix    (CoglFramebuffer *framebuffer);
+void                cogl_framebuffer_scale              (CoglFramebuffer *framebuffer,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_framebuffer_translate          (CoglFramebuffer *framebuffer,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_framebuffer_rotate             (CoglFramebuffer *framebuffer,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_framebuffer_rotate_euler       (CoglFramebuffer *framebuffer,
+                                                         const CoglEuler *euler);
+void                cogl_framebuffer_rotate_quaternion  (CoglFramebuffer *framebuffer,
+                                                         const CoglQuaternion *quaternion);
+void                cogl_framebuffer_transform          (CoglFramebuffer *framebuffer,
+                                                         const CoglMatrix *matrix);
+void                cogl_framebuffer_get_modelview_matrix
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglMatrix *matrix);
+void                cogl_framebuffer_set_modelview_matrix
+                                                        (CoglFramebuffer *framebuffer,
+                                                         const CoglMatrix *matrix);
+
+void                cogl_framebuffer_perspective        (CoglFramebuffer *framebuffer,
+                                                         float fov_y,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_framebuffer_frustum            (CoglFramebuffer *framebuffer,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_framebuffer_orthographic       (CoglFramebuffer *framebuffer,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         float near,
+                                                         float far);
+void                cogl_framebuffer_get_projection_matrix
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglMatrix *matrix);
+void                cogl_framebuffer_set_projection_matrix
+                                                        (CoglFramebuffer *framebuffer,
+                                                         const CoglMatrix *matrix);
+
+void                cogl_framebuffer_push_scissor_clip  (CoglFramebuffer *framebuffer,
+                                                         int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);
+void                cogl_framebuffer_push_rectangle_clip
+                                                        (CoglFramebuffer *framebuffer,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2);
+void                cogl_framebuffer_push_primitive_clip
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglPrimitive *primitive,
+                                                         float bounds_x1,
+                                                         float bounds_y1,
+                                                         float bounds_x2,
+                                                         float bounds_y2);
+void                cogl_framebuffer_pop_clip           (CoglFramebuffer *framebuffer);
+
+CoglFramebuffer *   cogl_get_draw_framebuffer           (void);
+void                cogl_set_framebuffer                (CoglFramebuffer *buffer);
+void                cogl_push_framebuffer               (CoglFramebuffer *buffer);
+void                cogl_pop_framebuffer                (void);
+
+
+
+

Description

+

+Framebuffers are a collection of buffers that can be rendered too. +A framebuffer may be comprised of one or more color buffers, an +optional depth buffer and an optional stencil buffer. Other +configuration parameters are associated with framebuffers too such +as whether the framebuffer supports multi-sampling (an anti-aliasing +technique) or dithering. +

+

+There are two kinds of framebuffer in Cogl, CoglOnscreen +framebuffers and CoglOffscreen framebuffers. As the names imply +offscreen framebuffers are for rendering something offscreen +(perhaps to a texture which is bound as one of the color buffers). +The exact semantics of onscreen framebuffers depends on the window +system backend that you are using, but typically you can expect +rendering to a CoglOnscreen framebuffer will be immediately +visible to the user. +

+

+If you want to create a new framebuffer then you should start by +looking at the CoglOnscreen and CoglOffscreen constructor +functions, such as cogl_offscreen_new_with_texture() or +cogl_onscreen_new(). The CoglFramebuffer interface deals with +all aspects that are common between those two types of framebuffer. +

+

+Setup of a new CoglFramebuffer happens in two stages. There is a +configuration stage where you specify all the options and ancillary +buffers you want associated with your framebuffer and then when you +are happy with the configuration you can "allocate" the framebuffer +using cogl_framebuffer_allocate(). Technically explicitly calling +cogl_framebuffer_allocate() is optional for convenience and the +framebuffer will automatically be allocated when you first try to +draw to it, but if you do the allocation manually then you can +also catch any possible errors that may arise from your +configuration. +

+
+
+

Details

+
+

CoglFramebuffer

+
typedef void CoglFramebuffer;
+
+
+
+
+

COGL_FRAMEBUFFER()

+
#define             COGL_FRAMEBUFFER(X)
+
+
+
+

cogl_framebuffer_allocate ()

+
CoglBool            cogl_framebuffer_allocate           (CoglFramebuffer *framebuffer,
+                                                         CoglError **error);
+

+Explicitly allocates a configured CoglFramebuffer allowing developers to +check and handle any errors that might arise from an unsupported +configuration so that fallback configurations may be tried. +

+

+

+
+

Note

Many applications don't support any fallback options at least when +they are initially developed and in that case the don't need to use this API +since Cogl will automatically allocate a framebuffer when it first gets +used. The disadvantage of relying on automatic allocation is that the +program will abort with an error message if there is an error during +automatic allocation.
+

+

+
++++ + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

error :

A pointer to a CoglError for returning exceptions.

Returns :

 +TRUE if there were no error allocating the framebuffer, else FALSE.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_width ()

+
int                 cogl_framebuffer_get_width          (CoglFramebuffer *framebuffer);
+

+Queries the current width of the given framebuffer. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

Returns :

The width of framebuffer.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_height ()

+
int                 cogl_framebuffer_get_height         (CoglFramebuffer *framebuffer);
+

+Queries the current height of the given framebuffer. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

Returns :

The height of framebuffer.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_set_viewport ()

+
void                cogl_framebuffer_set_viewport       (CoglFramebuffer *framebuffer,
+                                                         float x,
+                                                         float y,
+                                                         float width,
+                                                         float height);
+

+Defines a scale and offset for everything rendered relative to the +top-left of the destination framebuffer. +

+

+By default the viewport has an origin of (0,0) and width and height +that match the framebuffer's size. Assuming a default projection and +modelview matrix then you could translate the contents of a window +down and right by leaving the viewport size unchanged by moving the +offset to (10,10). The viewport coordinates are measured in pixels. +If you left the x and y origin as (0,0) you could scale the windows +contents down by specify and width and height that's half the real +size of the framebuffer. +

+

+

+
+

Note

Although the function takes floating point arguments, existing +drivers only allow the use of integer values. In the future floating +point values will be exposed via a checkable feature.
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

x :

The top-left x coordinate of the viewport origin (only integers +supported currently)

y :

The top-left y coordinate of the viewport origin (only integers +supported currently)

width :

The width of the viewport (only integers supported currently)

height :

The height of the viewport (only integers supported currently)
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_viewport_x ()

+
float               cogl_framebuffer_get_viewport_x     (CoglFramebuffer *framebuffer);
+

+Queries the x coordinate of the viewport origin as set using cogl_framebuffer_set_viewport() +or the default value which is 0. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

Returns :

The x coordinate of the viewport origin.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_viewport_y ()

+
float               cogl_framebuffer_get_viewport_y     (CoglFramebuffer *framebuffer);
+

+Queries the y coordinate of the viewport origin as set using cogl_framebuffer_set_viewport() +or the default value which is 0. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

Returns :

The y coordinate of the viewport origin.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_viewport_width ()

+
float               cogl_framebuffer_get_viewport_width (CoglFramebuffer *framebuffer);
+

+Queries the width of the viewport as set using cogl_framebuffer_set_viewport() +or the default value which is the width of the framebuffer. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

Returns :

The width of the viewport.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_viewport_height ()

+
float               cogl_framebuffer_get_viewport_height
+                                                        (CoglFramebuffer *framebuffer);
+

+Queries the height of the viewport as set using cogl_framebuffer_set_viewport() +or the default value which is the height of the framebuffer. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

Returns :

The height of the viewport.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_viewport4fv ()

+
void                cogl_framebuffer_get_viewport4fv    (CoglFramebuffer *framebuffer,
+                                                         float *viewport);
+

+Queries the x, y, width and height components of the current viewport as set +using cogl_framebuffer_set_viewport() or the default values which are 0, 0, +framebuffer_width and framebuffer_height. The values are written into the +given viewport array. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

viewport :

A pointer to an +array of 4 floats to receive the (x, y, width, height) +components of the current viewport. [out caller-allocates][array fixed-size=4] +
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_red_bits ()

+
int                 cogl_framebuffer_get_red_bits       (CoglFramebuffer *framebuffer);
+

+Retrieves the number of red bits of framebuffer +

+
++++ + + + + + + + + + + +

framebuffer :

a pointer to a CoglFramebuffer +

Returns :

the number of bits
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_green_bits ()

+
int                 cogl_framebuffer_get_green_bits     (CoglFramebuffer *framebuffer);
+

+Retrieves the number of green bits of framebuffer +

+
++++ + + + + + + + + + + +

framebuffer :

a pointer to a CoglFramebuffer +

Returns :

the number of bits
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_blue_bits ()

+
int                 cogl_framebuffer_get_blue_bits      (CoglFramebuffer *framebuffer);
+

+Retrieves the number of blue bits of framebuffer +

+
++++ + + + + + + + + + + +

framebuffer :

a pointer to a CoglFramebuffer +

Returns :

the number of bits
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_alpha_bits ()

+
int                 cogl_framebuffer_get_alpha_bits     (CoglFramebuffer *framebuffer);
+

+Retrieves the number of alpha bits of framebuffer +

+
++++ + + + + + + + + + + +

framebuffer :

a pointer to a CoglFramebuffer +

Returns :

the number of bits
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_depth_bits ()

+
int                 cogl_framebuffer_get_depth_bits     (CoglFramebuffer *framebuffer);
+

+Retrieves the number of depth bits of framebuffer +

+
++++ + + + + + + + + + + +

framebuffer :

a pointer to a CoglFramebuffer +

Returns :

the number of bits
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_color_mask ()

+
CoglColorMask       cogl_framebuffer_get_color_mask     (CoglFramebuffer *framebuffer);
+

+Gets the current CoglColorMask of which channels would be written to the +current framebuffer. Each bit set in the mask means that the +corresponding color would be written. +

+
++++ + + + + + + + + + + +

framebuffer :

a pointer to a CoglFramebuffer +

Returns :

A CoglColorMask +
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_set_color_mask ()

+
void                cogl_framebuffer_set_color_mask     (CoglFramebuffer *framebuffer,
+                                                         CoglColorMask color_mask);
+

+Defines a bit mask of which color channels should be written to the +given framebuffer. If a bit is set in color_mask that means that +color will be written. +

+
++++ + + + + + + + + + + +

framebuffer :

a pointer to a CoglFramebuffer +

color_mask :

A CoglColorMask of which color channels to write to +the current framebuffer.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_samples_per_pixel ()

+
int                 cogl_framebuffer_get_samples_per_pixel
+                                                        (CoglFramebuffer *framebuffer);
+

+Gets the number of points that are sampled per-pixel when +rasterizing geometry. Usually by default this will return 0 which +means that single-sample not multisample rendering has been chosen. +When using a GPU supporting multisample rendering it's possible to +increase the number of samples per pixel using +cogl_framebuffer_set_samples_per_pixel(). +

+

+Calling cogl_framebuffer_get_samples_per_pixel() before the +framebuffer has been allocated will simply return the value set +using cogl_framebuffer_set_samples_per_pixel(). After the +framebuffer has been allocated the value will reflect the actual +number of samples that will be made by the GPU. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer framebuffer

Returns :

The number of point samples made per pixel when +rasterizing geometry or 0 if single-sample rendering +has been chosen.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_set_samples_per_pixel ()

+
void                cogl_framebuffer_set_samples_per_pixel
+                                                        (CoglFramebuffer *framebuffer,
+                                                         int samples_per_pixel);
+

+Requires that when rendering to framebuffer then n point samples +should be made per pixel which will all contribute to the final +resolved color for that pixel. The idea is that the hardware aims +to get quality similar to what you would get if you rendered +everything twice as big (for 4 samples per pixel) and then scaled +that image back down with filtering. It can effectively remove the +jagged edges of polygons and should be more efficient than if you +were to manually render at a higher resolution and downscale +because the hardware is often able to take some shortcuts. For +example the GPU may only calculate a single texture sample for all +points of a single pixel, and for tile based architectures all the +extra sample data (such as depth and stencil samples) may be +handled on-chip and so avoid increased demand on system memory +bandwidth. +

+

+By default this value is usually set to 0 and that is referred to +as "single-sample" rendering. A value of 1 or greater is referred +to as "multisample" rendering. +

+

+

+
+

Note

There are some semantic differences between single-sample +rendering and multisampling with just 1 point sample such as it +being redundant to use the cogl_framebuffer_resolve_samples() and +cogl_framebuffer_resolve_samples_region() apis with single-sample +rendering.
+

+

+

+

+
+

Note

It's recommended that +cogl_framebuffer_resolve_samples_region() be explicitly used at the +end of rendering to a point sample buffer to minimize the number of +samples that get resolved. By default Cogl will implicitly resolve +all framebuffer samples but if only a small region of a +framebuffer has changed this can lead to redundant work being +done.
+

+

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer framebuffer

samples_per_pixel :

The minimum number of samples per pixel
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_resolve_samples ()

+
void                cogl_framebuffer_resolve_samples    (CoglFramebuffer *framebuffer);
+

+When point sample rendering (also known as multisample rendering) +has been enabled via cogl_framebuffer_set_samples_per_pixel() +then you can optionally call this function (or +cogl_framebuffer_resolve_samples_region()) to explicitly resolve +the point samples into values for the final color buffer. +

+

+Some GPUs will implicitly resolve the point samples during +rendering and so this function is effectively a nop, but with other +architectures it is desirable to defer the resolve step until the +end of the frame. +

+

+Since Cogl will automatically ensure samples are resolved if the +target color buffer is used as a source this API only needs to be +used if explicit control is desired - perhaps because you want to +ensure that the resolve is completed in advance to avoid later +having to wait for the resolve to complete. +

+

+If you are performing incremental updates to a framebuffer you +should consider using cogl_framebuffer_resolve_samples_region() +instead to avoid resolving redundant pixels. +

+
++++ + + + + +

framebuffer :

A CoglFramebuffer framebuffer
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_resolve_samples_region ()

+
void                cogl_framebuffer_resolve_samples_region
+                                                        (CoglFramebuffer *framebuffer,
+                                                         int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);
+

+When point sample rendering (also known as multisample rendering) +has been enabled via cogl_framebuffer_set_samples_per_pixel() +then you can optionally call this function (or +cogl_framebuffer_resolve_samples()) to explicitly resolve the point +samples into values for the final color buffer. +

+

+Some GPUs will implicitly resolve the point samples during +rendering and so this function is effectively a nop, but with other +architectures it is desirable to defer the resolve step until the +end of the frame. +

+

+Use of this API is recommended if incremental, small updates to +a framebuffer are being made because by default Cogl will +implicitly resolve all the point samples of the framebuffer which +can result in redundant work if only a small number of samples have +changed. +

+

+Because some GPUs implicitly resolve point samples this function +only guarantees that at-least the region specified will be resolved +and if you have rendered to a larger region then it's possible that +other samples may be implicitly resolved. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer framebuffer

x :

top-left x coordinate of region to resolve

y :

top-left y coordinate of region to resolve

width :

width of region to resolve

height :

height of region to resolve
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_context ()

+
CoglContext *       cogl_framebuffer_get_context        (CoglFramebuffer *framebuffer);
+

+Can be used to query the CoglContext a given framebuffer was +instantiated within. This is the CoglContext that was passed to +cogl_onscreen_new() for example. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

Returns :

The CoglContext that the given +framebuffer was instantiated within. [transfer none] +
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_clear ()

+
void                cogl_framebuffer_clear              (CoglFramebuffer *framebuffer,
+                                                         unsigned long  buffers,
+                                                         const CoglColor *color);
+

+Clears all the auxiliary buffers identified in the buffers mask, and if +that includes the color buffer then the specified color is used. +

+
++++ + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

buffers :

A mask of CoglBufferBit's identifying which auxiliary +buffers to clear

color :

The color to clear the color buffer too if specified in +buffers.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_clear4f ()

+
void                cogl_framebuffer_clear4f            (CoglFramebuffer *framebuffer,
+                                                         unsigned long  buffers,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+

+Clears all the auxiliary buffers identified in the buffers mask, and if +that includes the color buffer then the specified color is used. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

buffers :

A mask of CoglBufferBit's identifying which auxiliary +buffers to clear

red :

The red component of color to clear the color buffer too if +specified in buffers.

green :

The green component of color to clear the color buffer too if +specified in buffers.

blue :

The blue component of color to clear the color buffer too if +specified in buffers.

alpha :

The alpha component of color to clear the color buffer too if +specified in buffers.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_read_pixels_into_bitmap ()

+
CoglBool            cogl_framebuffer_read_pixels_into_bitmap
+                                                        (CoglFramebuffer *framebuffer,
+                                                         int x,
+                                                         int y,
+                                                         CoglReadPixelsFlags source,
+                                                         CoglBitmap *bitmap);
+

+This reads a rectangle of pixels from the given framebuffer where +position (0, 0) is the top left. The pixel at (x, y) is the first +read, and a rectangle of pixels with the same size as the bitmap is +read right and downwards from that point. +

+

+Currently Cogl assumes that the framebuffer is in a premultiplied +format so if the format of bitmap is non-premultiplied it will +convert it. To read the pixel values without any conversion you +should either specify a format that doesn't use an alpha channel or +use one of the formats ending in PRE. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

x :

The x position to read from

y :

The y position to read from

source :

Identifies which auxillary buffer you want to read +(only COGL_READ_PIXELS_COLOR_BUFFER supported currently)

bitmap :

The bitmap to store the results in.

Returns :

 +TRUE if the read succeeded or FALSE otherwise. The +function is only likely to fail if the bitmap points to a pixel +buffer and it could not be mapped.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_read_pixels ()

+
CoglBool            cogl_framebuffer_read_pixels        (CoglFramebuffer *framebuffer,
+                                                         int x,
+                                                         int y,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         uint8_t *pixels);
+

+This is a convenience wrapper around +cogl_framebuffer_read_pixels_into_bitmap() which allocates a +temporary CoglBitmap to read pixel data directly into the given +buffer. The rowstride of the buffer is assumed to be the width of +the region times the bytes per pixel of the format. The source for +the data is always taken from the color buffer. If you want to use +any other rowstride or source, please use the +cogl_framebuffer_read_pixels_into_bitmap() function directly. +

+

+The implementation of the function looks like this: +

+

+

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35

+
+
+
+
+
+
+
+
+
+
+
+
+bitmap = cogl_bitmap_new_for_data (context,
+                                   width, height,
+                                   format,
+                                   /* rowstride */
+                                   bpp * width,
+                                   pixels);
+cogl_framebuffer_read_pixels_into_bitmap (framebuffer,
+                                          x, y,
+                                          COGL_READ_PIXELS_COLOR_BUFFER,
+                                          bitmap);
+cogl_object_unref (bitmap);
+
+ +

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

x :

The x position to read from

y :

The y position to read from

width :

The width of the region of rectangles to read

height :

The height of the region of rectangles to read

format :

The pixel format to store the data in

pixels :

The address of the buffer to store the data in

Returns :

 +TRUE if the read succeeded or FALSE otherwise.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_set_dither_enabled ()

+
void                cogl_framebuffer_set_dither_enabled (CoglFramebuffer *framebuffer,
+                                                         CoglBool dither_enabled);
+

+Enables or disabled dithering if supported by the hardware. +

+

+Dithering is a hardware dependent technique to increase the visible +color resolution beyond what the underlying hardware supports by playing +tricks with the colors placed into the framebuffer to give the illusion +of other colors. (For example this can be compared to half-toning used +by some news papers to show varying levels of grey even though their may +only be black and white are available). +

+

+If the current display pipeline for framebuffer does not support dithering +then this has no affect. +

+

+Dithering is enabled by default. +

+
++++ + + + + + + + + + + +

framebuffer :

a pointer to a CoglFramebuffer +

dither_enabled :

 +TRUE to enable dithering or FALSE to disable
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_dither_enabled ()

+
CoglBool            cogl_framebuffer_get_dither_enabled (CoglFramebuffer *framebuffer);
+

+Returns whether dithering has been requested for the given framebuffer. +See cogl_framebuffer_set_dither_enabled() for more details about dithering. +

+

+

+
+

Note

This may return TRUE even when the underlying framebuffer +display pipeline does not support dithering. This value only represents +the user's request for dithering.
+

+

+
++++ + + + + + + + + + + +

framebuffer :

a pointer to a CoglFramebuffer +

Returns :

 +TRUE if dithering has been requested or FALSE if not.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_draw_rectangle ()

+
void                cogl_framebuffer_draw_rectangle     (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2);
+

+Draws a rectangle to framebuffer with the given pipeline state +and with the top left corner positioned at (x_1, y_1) and the +bottom right corner positioned at (x_2, y_2). +

+

+

+
+

Note

The position is the position before the rectangle has been +transformed by the model-view matrix and the projection +matrix.
+

+

+

+

+
+

Note

If you want to describe a rectangle with a texture mapped on +it then you can use +cogl_framebuffer_draw_textured_rectangle().
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A destination CoglFramebuffer +

pipeline :

A CoglPipeline state object

x_1 :

X coordinate of the top-left corner

y_1 :

Y coordinate of the top-left corner

x_2 :

X coordinate of the bottom-right corner

y_2 :

Y coordinate of the bottom-right corner
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_draw_textured_rectangle ()

+
void                cogl_framebuffer_draw_textured_rectangle
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         float s_1,
+                                                         float t_1,
+                                                         float s_2,
+                                                         float t_2);
+

+Draws a textured rectangle to framebuffer using the given +pipeline state with the top left corner positioned at (x_1, y_1) +and the bottom right corner positioned at (x_2, y_2). The top +left corner will have texture coordinates of (s_1, t_1) and the +bottom right corner will have texture coordinates of (s_2, t_2). +

+

+

+
+

Note

The position is the position before the rectangle has been +transformed by the model-view matrix and the projection +matrix.
+

+

+

+This is a high level drawing api that can handle any kind of +CoglMetaTexture texture such as CoglTexture2DSliced textures +which may internally be comprised of multiple low-level textures. +This is unlike low-level drawing apis such as cogl_primitive_draw() +which only support low level texture types that are directly +supported by GPUs such as CoglTexture2D. +

+

+

+
+

Note

The given texture coordinates will only be used for the first +texture layer of the pipeline and if your pipeline has more than +one layer then all other layers will have default texture +coordinates of s_1=0.0 t_1=0.0 s_2=1.0 t_2=1.0
+

+

+

+The given texture coordinates should always be normalized such that +(0, 0) corresponds to the top left and (1, 1) corresponds to the +bottom right. To map an entire texture across the rectangle pass +in s_1=0, t_1=0, s_2=1, t_2=1. +

+

+

+
+

Note

Even if you have associated a CoglTextureRectangle texture +with one of your pipeline layers which normally implies working +with non-normalized texture coordinates this api should still be +passed normalized texture coordinates.
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A destination CoglFramebuffer +

pipeline :

A CoglPipeline state object

x_1 :

x coordinate upper left on screen.

y_1 :

y coordinate upper left on screen.

x_2 :

x coordinate lower right on screen.

y_2 :

y coordinate lower right on screen.

s_1 :

S texture coordinate of the top-left coorner

t_1 :

T texture coordinate of the top-left coorner

s_2 :

S texture coordinate of the bottom-right coorner

t_2 :

T texture coordinate of the bottom-right coorner
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_draw_multitextured_rectangle ()

+
void                cogl_framebuffer_draw_multitextured_rectangle
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         const float *tex_coords,
+                                                         int tex_coords_len);
+

+Draws a textured rectangle to framebuffer with the given pipeline +state with the top left corner positioned at (x_1, y_1) and the +bottom right corner positioned at (x_2, y_2). As a pipeline may +contain multiple texture layers this interface lets you supply +texture coordinates for each layer of the pipeline. +

+

+

+
+

Note

The position is the position before the rectangle has been +transformed by the model-view matrix and the projection +matrix.
+

+

+

+This is a high level drawing api that can handle any kind of +CoglMetaTexture texture for the first layer such as +CoglTexture2DSliced textures which may internally be comprised of +multiple low-level textures. This is unlike low-level drawing apis +such as cogl_primitive_draw() which only support low level texture +types that are directly supported by GPUs such as CoglTexture2D. +

+

+

+
+

Note

This api can not currently handle multiple high-level meta +texture layers. The first layer may be a high level meta texture +such as CoglTexture2DSliced but all other layers much be low +level textures such as CoglTexture2D and additionally they +should be textures that can be sampled using normalized coordinates +(so not CoglTextureRectangle textures).
+

+

+

+The top left texture coordinate for layer 0 of any pipeline will be +(tex_coords[0], tex_coords[1]) and the bottom right coordinate will +be (tex_coords[2], tex_coords[3]). The coordinates for layer 1 +would be (tex_coords[4], tex_coords[5]) (tex_coords[6], +tex_coords[7]) and so on... +

+

+The given texture coordinates should always be normalized such that +(0, 0) corresponds to the top left and (1, 1) corresponds to the +bottom right. To map an entire texture across the rectangle pass +in tex_coords[0]=0, tex_coords[1]=0, tex_coords[2]=1, +tex_coords[3]=1. +

+

+

+
+

Note

Even if you have associated a CoglTextureRectangle texture +which normally implies working with non-normalized texture +coordinates this api should still be passed normalized texture +coordinates.
+

+

+

+The first pair of coordinates are for the first layer (with the +smallest layer index) and if you supply less texture coordinates +than there are layers in the current source material then default +texture coordinates (0.0, 0.0, 1.0, 1.0) are generated. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A destination CoglFramebuffer +

pipeline :

A CoglPipeline state object

x_1 :

x coordinate upper left on screen.

y_1 :

y coordinate upper left on screen.

x_2 :

x coordinate lower right on screen.

y_2 :

y coordinate lower right on screen.

tex_coords :

An array containing groups of +4 float values: [s_1, t_1, s_2, t_2] that are interpreted as two texture +coordinates; one for the top left texel, and one for the bottom right +texel. Each value should be between 0.0 and 1.0, where the coordinate +(0.0, 0.0) represents the top left of the texture, and (1.0, 1.0) the +bottom right. [in][array][transfer none] +

tex_coords_len :

The length of the tex_coords array. (For one layer +and one group of texture coordinates, this would be 4)
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_draw_rectangles ()

+
void                cogl_framebuffer_draw_rectangles    (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         const float *coordinates,
+                                                         unsigned int n_rectangles);
+

+Draws a series of rectangles to framebuffer with the given +pipeline state in the same way that +cogl_framebuffer_draw_rectangle() does. +

+

+The top left corner of the first rectangle is positioned at +(coordinates[0], coordinates[1]) and the bottom right corner is +positioned at (coordinates[2], coordinates[3]). The positions for +the second rectangle are (coordinates[4], coordinates[5]) and +(coordinates[6], coordinates[7]) and so on... +

+

+

+
+

Note

The position is the position before the rectangle has been +transformed by the model-view matrix and the projection +matrix.
+

+

+

+As a general rule for better performance its recommended to use +this this API instead of calling +cogl_framebuffer_draw_textured_rectangle() separately for multiple +rectangles if all of the rectangles will be drawn together with the +same pipeline state. +

+
++++ + + + + + + + + + + + + + + + + + + +

framebuffer :

A destination CoglFramebuffer +

pipeline :

A CoglPipeline state object

coordinates :

an array of coordinates +containing groups of 4 float values: [x_1, y_1, x_2, y_2] that are +interpreted as two position coordinates; one for the top left of +the rectangle (x1, y1), and one for the bottom right of the +rectangle (x2, y2). [in][array][transfer none] +

n_rectangles :

number of rectangles defined in coordinates.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_draw_textured_rectangles ()

+
void                cogl_framebuffer_draw_textured_rectangles
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline,
+                                                         const float *coordinates,
+                                                         unsigned int n_rectangles);
+

+Draws a series of rectangles to framebuffer with the given +pipeline state in the same way that +cogl_framebuffer_draw_textured_rectangle() does. +

+

+

+
+

Note

The position is the position before the rectangle has been +transformed by the model-view matrix and the projection +matrix.
+

+

+

+This is a high level drawing api that can handle any kind of +CoglMetaTexture texture such as CoglTexture2DSliced textures +which may internally be comprised of multiple low-level textures. +This is unlike low-level drawing apis such as cogl_primitive_draw() +which only support low level texture types that are directly +supported by GPUs such as CoglTexture2D. +

+

+The top left corner of the first rectangle is positioned at +(coordinates[0], coordinates[1]) and the bottom right corner is +positioned at (coordinates[2], coordinates[3]). The top left +texture coordinate is (coordinates[4], coordinates[5]) and the +bottom right texture coordinate is (coordinates[6], +coordinates[7]). The coordinates for subsequent rectangles +are defined similarly by the subsequent coordinates. +

+

+As a general rule for better performance its recommended to use +this this API instead of calling +cogl_framebuffer_draw_textured_rectangle() separately for multiple +rectangles if all of the rectangles will be drawn together with the +same pipeline state. +

+

+The given texture coordinates should always be normalized such that +(0, 0) corresponds to the top left and (1, 1) corresponds to the +bottom right. To map an entire texture across the rectangle pass +in tex_coords[0]=0, tex_coords[1]=0, tex_coords[2]=1, +tex_coords[3]=1. +

+

+

+
+

Note

Even if you have associated a CoglTextureRectangle texture +which normally implies working with non-normalized texture +coordinates this api should still be passed normalized texture +coordinates.
+

+

+
++++ + + + + + + + + + + + + + + + + + + +

framebuffer :

A destination CoglFramebuffer +

pipeline :

A CoglPipeline state object

coordinates :

an array containing +groups of 8 float values: [x_1, y_1, x_2, y_2, s_1, t_1, s_2, t_2] +that have the same meaning as the arguments for +cogl_framebuffer_draw_textured_rectangle(). [in][array][transfer none] +

n_rectangles :

number of rectangles to coordinates to draw
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_discard_buffers ()

+
void                cogl_framebuffer_discard_buffers    (CoglFramebuffer *framebuffer,
+                                                         unsigned long  buffers);
+

+Declares that the specified buffers no longer need to be referenced +by any further rendering commands. This can be an important +optimization to avoid subsequent frames of rendering depending on +the results of a previous frame. +

+

+For example; some tile-based rendering GPUs are able to avoid allocating and +accessing system memory for the depth and stencil buffer so long as these +buffers are not required as input for subsequent frames and that can save a +significant amount of memory bandwidth used to save and restore their +contents to system memory between frames. +

+

+It is currently considered an error to try and explicitly discard the color +buffer by passing COGL_BUFFER_BIT_COLOR. This is because the color buffer is +already implicitly discard when you finish rendering to a CoglOnscreen +framebuffer, and it's not meaningful to try and discard the color buffer of +a CoglOffscreen framebuffer since they are single-buffered. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer +

buffers :

A CoglBufferBit mask of which ancillary buffers you want +to discard.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_finish ()

+
void                cogl_framebuffer_finish             (CoglFramebuffer *framebuffer);
+

+This blocks the CPU until all pending rendering associated with the +specified framebuffer has completed. It's very rare that developers should +ever need this level of synchronization with the GPU and should never be +used unless you clearly understand why you need to explicitly force +synchronization. +

+

+One example might be for benchmarking purposes to be sure timing +measurements reflect the time that the GPU is busy for not just the time it +takes to queue rendering commands. +

+
++++ + + + + +

framebuffer :

A CoglFramebuffer pointer
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_push_matrix ()

+
void                cogl_framebuffer_push_matrix        (CoglFramebuffer *framebuffer);
+

+Copies the current model-view matrix onto the matrix stack. The matrix +can later be restored with cogl_framebuffer_pop_matrix(). +

+
++++ + + + + +

framebuffer :

A CoglFramebuffer pointer
+

Since 1.10

+
+
+
+

cogl_framebuffer_pop_matrix ()

+
void                cogl_framebuffer_pop_matrix         (CoglFramebuffer *framebuffer);
+

+Restores the model-view matrix on the top of the matrix stack. +

+
++++ + + + + +

framebuffer :

A CoglFramebuffer pointer
+

Since 1.10

+
+
+
+

cogl_framebuffer_identity_matrix ()

+
void                cogl_framebuffer_identity_matrix    (CoglFramebuffer *framebuffer);
+

+Resets the current model-view matrix to the identity matrix. +

+
++++ + + + + +

framebuffer :

A CoglFramebuffer pointer
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_scale ()

+
void                cogl_framebuffer_scale              (CoglFramebuffer *framebuffer,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+

+Multiplies the current model-view matrix by one that scales the x, +y and z axes by the given values. +

+
++++ + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

x :

Amount to scale along the x-axis

y :

Amount to scale along the y-axis

z :

Amount to scale along the z-axis
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_translate ()

+
void                cogl_framebuffer_translate          (CoglFramebuffer *framebuffer,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+

+Multiplies the current model-view matrix by one that translates the +model along all three axes according to the given values. +

+
++++ + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

x :

Distance to translate along the x-axis

y :

Distance to translate along the y-axis

z :

Distance to translate along the z-axis
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_rotate ()

+
void                cogl_framebuffer_rotate             (CoglFramebuffer *framebuffer,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+

+Multiplies the current model-view matrix by one that rotates the +model around the axis-vector specified by x, y and z. The +rotation follows the right-hand thumb rule so for example rotating +by 10 degrees about the axis-vector (0, 0, 1) causes a small +counter-clockwise rotation. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

angle :

Angle in degrees to rotate.

x :

X-component of vertex to rotate around.

y :

Y-component of vertex to rotate around.

z :

Z-component of vertex to rotate around.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_rotate_euler ()

+
void                cogl_framebuffer_rotate_euler       (CoglFramebuffer *framebuffer,
+                                                         const CoglEuler *euler);
+

+Multiplies the current model-view matrix by one that rotates +according to the rotation described by euler. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

euler :

A CoglEuler +
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_rotate_quaternion ()

+
void                cogl_framebuffer_rotate_quaternion  (CoglFramebuffer *framebuffer,
+                                                         const CoglQuaternion *quaternion);
+

+Multiplies the current model-view matrix by one that rotates +according to the rotation described by quaternion. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

quaternion :

A CoglQuaternion +
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_transform ()

+
void                cogl_framebuffer_transform          (CoglFramebuffer *framebuffer,
+                                                         const CoglMatrix *matrix);
+

+Multiplies the current model-view matrix by the given matrix. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

matrix :

the matrix to multiply with the current model-view
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_modelview_matrix ()

+
void                cogl_framebuffer_get_modelview_matrix
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglMatrix *matrix);
+

+Stores the current model-view matrix in matrix. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

matrix :

return location for the model-view matrix. [out] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_set_modelview_matrix ()

+
void                cogl_framebuffer_set_modelview_matrix
+                                                        (CoglFramebuffer *framebuffer,
+                                                         const CoglMatrix *matrix);
+

+Sets matrix as the new model-view matrix. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

matrix :

the new model-view matrix
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_perspective ()

+
void                cogl_framebuffer_perspective        (CoglFramebuffer *framebuffer,
+                                                         float fov_y,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);
+

+Replaces the current projection matrix with a perspective matrix +based on the provided values. +

+

+

+
+

Note

You should be careful not to have to great a z_far / z_near +ratio since that will reduce the effectiveness of depth testing +since there wont be enough precision to identify the depth of +objects near to each other.
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

fov_y :

Vertical field of view angle in degrees.

aspect :

The (width over height) aspect ratio for display

z_near :

The distance to the near clipping plane (Must be positive, +and must not be 0)

z_far :

The distance to the far clipping plane (Must be positive)
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_frustum ()

+
void                cogl_framebuffer_frustum            (CoglFramebuffer *framebuffer,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);
+

+Replaces the current projection matrix with a perspective matrix +for a given viewing frustum defined by 4 side clip planes that +all cross through the origin and 2 near and far clip planes. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

left :

X position of the left clipping plane where it +intersects the near clipping plane

right :

X position of the right clipping plane where it +intersects the near clipping plane

bottom :

Y position of the bottom clipping plane where it +intersects the near clipping plane

top :

Y position of the top clipping plane where it intersects +the near clipping plane

z_near :

The distance to the near clipping plane (Must be positive)

z_far :

The distance to the far clipping plane (Must be positive)
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_orthographic ()

+
void                cogl_framebuffer_orthographic       (CoglFramebuffer *framebuffer,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         float near,
+                                                         float far);
+

+Replaces the current projection matrix with an orthographic projection +matrix. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

x_1 :

The x coordinate for the first vertical clipping plane

y_1 :

The y coordinate for the first horizontal clipping plane

x_2 :

The x coordinate for the second vertical clipping plane

y_2 :

The y coordinate for the second horizontal clipping plane

near :

The distance to the near clipping +plane (will be negative if the plane is +behind the viewer)

far :

The distance to the far clipping +plane (will be negative if the plane is +behind the viewer)
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_get_projection_matrix ()

+
void                cogl_framebuffer_get_projection_matrix
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglMatrix *matrix);
+

+Stores the current projection matrix in matrix. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

matrix :

return location for the projection matrix. [out] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_set_projection_matrix ()

+
void                cogl_framebuffer_set_projection_matrix
+                                                        (CoglFramebuffer *framebuffer,
+                                                         const CoglMatrix *matrix);
+

+Sets matrix as the new projection matrix. +

+
++++ + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

matrix :

the new projection matrix
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_push_scissor_clip ()

+
void                cogl_framebuffer_push_scissor_clip  (CoglFramebuffer *framebuffer,
+                                                         int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);
+

+Specifies a rectangular clipping area for all subsequent drawing +operations. Any drawing commands that extend outside the rectangle +will be clipped so that only the portion inside the rectangle will +be displayed. The rectangle dimensions are not transformed by the +current model-view matrix. +

+

+The rectangle is intersected with the current clip region. To undo +the effect of this function, call cogl_framebuffer_pop_clip(). +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

x :

left edge of the clip rectangle in window coordinates

y :

top edge of the clip rectangle in window coordinates

width :

width of the clip rectangle

height :

height of the clip rectangle
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_push_rectangle_clip ()

+
void                cogl_framebuffer_push_rectangle_clip
+                                                        (CoglFramebuffer *framebuffer,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2);
+

+Specifies a modelview transformed rectangular clipping area for all +subsequent drawing operations. Any drawing commands that extend +outside the rectangle will be clipped so that only the portion +inside the rectangle will be displayed. The rectangle dimensions +are transformed by the current model-view matrix. +

+

+The rectangle is intersected with the current clip region. To undo +the effect of this function, call cogl_framebuffer_pop_clip(). +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

x_1 :

x coordinate for top left corner of the clip rectangle

y_1 :

y coordinate for top left corner of the clip rectangle

x_2 :

x coordinate for bottom right corner of the clip rectangle

y_2 :

y coordinate for bottom right corner of the clip rectangle
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_push_primitive_clip ()

+
void                cogl_framebuffer_push_primitive_clip
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglPrimitive *primitive,
+                                                         float bounds_x1,
+                                                         float bounds_y1,
+                                                         float bounds_x2,
+                                                         float bounds_y2);
+

+Sets a new clipping area using a 2D shaped described with a +CoglPrimitive. The shape must not contain self overlapping +geometry and must lie on a single 2D plane. A bounding box of the +2D shape in local coordinates (the same coordinates used to +describe the shape) must be given. It is acceptable for the bounds +to be larger than the true bounds but behaviour is undefined if the +bounds are smaller than the true bounds. +

+

+The primitive is transformed by the current model-view matrix and +the silhouette is intersected with the previous clipping area. To +restore the previous clipping area, call +cogl_framebuffer_pop_clip(). +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

framebuffer :

A CoglFramebuffer pointer

primitive :

A CoglPrimitive describing a flat 2D shape

bounds_x1 :

x coordinate for the top-left corner of the primitives +bounds

bounds_y1 :

y coordinate for the top-left corner of the primitives +bounds

bounds_x2 :

x coordinate for the bottom-right corner of the +primitives bounds.

bounds_y2 :

y coordinate for the bottom-right corner of the +primitives bounds.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_pop_clip ()

+
void                cogl_framebuffer_pop_clip           (CoglFramebuffer *framebuffer);
+

+Reverts the clipping region to the state before the last call to +cogl_framebuffer_push_scissor_clip(), cogl_framebuffer_push_rectangle_clip() +cogl_framebuffer_push_path_clip(), or cogl_framebuffer_push_primitive_clip(). +

+
++++ + + + + +

framebuffer :

A CoglFramebuffer pointer
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_get_draw_framebuffer ()

+
CoglFramebuffer *   cogl_get_draw_framebuffer           (void);
+

+Gets the current CoglFramebuffer as set using +cogl_push_framebuffer() +

+
++++ + + + + +

Returns :

The current CoglFramebuffer. [transfer none] +
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_set_framebuffer ()

+
void                cogl_set_framebuffer                (CoglFramebuffer *buffer);
+
+

Warning

+

cogl_set_framebuffer has been deprecated since version 1.16 and should not be used in newly-written code. The latest drawing apis take explicit + CoglFramebuffer arguments so this stack of + framebuffers shouldn't be used anymore.

+
+

+This redirects all subsequent drawing to the specified framebuffer. This can +either be an offscreen buffer created with cogl_offscreen_new_to_texture() +or in the future it may be an onscreen framebuffers too. +

+
++++ + + + + +

buffer :

A CoglFramebuffer object, either onscreen or offscreen.
+

Since 1.2

+
+
+
+

cogl_push_framebuffer ()

+
void                cogl_push_framebuffer               (CoglFramebuffer *buffer);
+
+

Warning

+

cogl_push_framebuffer has been deprecated since version 1.16 and should not be used in newly-written code. The latest drawing apis take explicit + CoglFramebuffer arguments so this stack of + framebuffers shouldn't be used anymore.

+
+

+Redirects all subsequent drawing to the specified framebuffer. This can +either be an offscreen buffer created with cogl_offscreen_new_to_texture() +or in the future it may be an onscreen framebuffer too. +

+

+You should understand that a framebuffer owns the following state: +

+
    +
  • The projection matrix
    • +
  • The modelview matrix stack
    • +
  • The viewport
    • +
  • The clip stack
    • +
+

+So these items will automatically be saved and restored when you +push and pop between different framebuffers. +

+

+Also remember a newly allocated framebuffer will have an identity matrix for +the projection and modelview matrices which gives you a coordinate space +like OpenGL with (-1, -1) corresponding to the top left of the viewport, +(1, 1) corresponding to the bottom right and +z coming out towards the +viewer. +

+

+If you want to set up a coordinate space like Clutter does with (0, 0) +corresponding to the top left and (framebuffer_width, framebuffer_height) +corresponding to the bottom right you can do so like this: +

+

+

+
+ + + + + + + + 
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+68

+
+
+
+
+
+
+
+
+
+
+
+
+static void
+setup_viewport (unsigned int width,
+                unsigned int height,
+                float fovy,
+                float aspect,
+                float z_near,
+                float z_far)
+{
+  float z_camera;
+  CoglMatrix projection_matrix;
+  CoglMatrix mv_matrix;
+
+  cogl_set_viewport (0, 0, width, height);
+  cogl_perspective (fovy, aspect, z_near, z_far);
+
+  cogl_get_projection_matrix (&projection_matrix);
+  z_camera = 0.5 * projection_matrix.xx;
+
+  cogl_matrix_init_identity (&mv_matrix);
+  cogl_matrix_translate (&mv_matrix, -0.5f, -0.5f, -z_camera);
+  cogl_matrix_scale (&mv_matrix, 1.0f / width, -1.0f / height, 1.0f / width);
+  cogl_matrix_translate (&mv_matrix, 0.0f, -1.0 * height, 0.0f);
+  cogl_set_modelview_matrix (&mv_matrix);
+}
+
+static void
+my_init_framebuffer (ClutterStage *stage,
+                     CoglFramebuffer *framebuffer,
+                     unsigned int framebuffer_width,
+                     unsigned int framebuffer_height)
+{
+  ClutterPerspective perspective;
+
+  clutter_stage_get_perspective (stage, &perspective);
+
+  cogl_push_framebuffer (framebuffer);
+  setup_viewport (framebuffer_width,
+                  framebuffer_height,
+                  perspective.fovy,
+                  perspective.aspect,
+                  perspective.z_near,
+                  perspective.z_far);
+}
+
+ +

+

+

+The previous framebuffer can be restored by calling cogl_pop_framebuffer() +

+
++++ + + + + +

buffer :

A CoglFramebuffer object, either onscreen or offscreen.
+

Since 1.2

+
+
+
+

cogl_pop_framebuffer ()

+
void                cogl_pop_framebuffer                (void);
+
+

Warning

+

cogl_pop_framebuffer has been deprecated since version 1.16 and should not be used in newly-written code. The latest drawing apis take explicit + CoglFramebuffer arguments so this stack of + framebuffers shouldn't be used anymore.

+
+

+Restores the framebuffer that was previously at the top of the stack. +All subsequent drawing will be redirected to this framebuffer. +

+

Since 1.2

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglIndexBuffer---Buffers-of-vertex-indices.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglIndexBuffer---Buffers-of-vertex-indices.html new file mode 100644 index 0000000..65b483c --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglIndexBuffer---Buffers-of-vertex-indices.html @@ -0,0 +1,130 @@ + + + + +CoglIndexBuffer: Buffers of vertex indices + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

CoglIndexBuffer: Buffers of vertex indices

+

CoglIndexBuffer: Buffers of vertex indices — Functions for creating and manipulating vertex +indices.

+
+
+

Synopsis

+
                    CoglIndexBuffer;
+CoglIndexBuffer *   cogl_index_buffer_new               (CoglContext *context,
+                                                         size_t bytes);
+CoglBool            cogl_is_index_buffer                (void *object);
+
+
+
+

Description

+

+FIXME +

+
+
+

Details

+
+

CoglIndexBuffer

+
typedef struct _CoglIndexBuffer CoglIndexBuffer;
+
+
+
+

cogl_index_buffer_new ()

+
CoglIndexBuffer *   cogl_index_buffer_new               (CoglContext *context,
+                                                         size_t bytes);
+

+Declares a new CoglIndexBuffer of size bytes to contain vertex +indices. Once declared, data can be set using +cogl_buffer_set_data() or by mapping it into the application's +address space using cogl_buffer_map(). +

+
++++ + + + + + + + + + + + + + + +

context :

A CoglContext +

bytes :

The number of bytes to allocate for vertex attribute data.

Returns :

A newly allocated CoglIndexBuffer. [transfer full] +
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+

cogl_is_index_buffer ()

+
CoglBool            cogl_is_index_buffer                (void *object);
+

+Gets whether the given object references a CoglIndexBuffer. +

+
++++ + + + + + + + + + + +

object :

A CoglObject +

Returns :

 +TRUE if the object references a CoglIndexBuffer, +FALSE otherwise
+

Since 1.4

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglOnscreen---The-Onscreen-Framebuffer-Interface.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglOnscreen---The-Onscreen-Framebuffer-Interface.html new file mode 100644 index 0000000..c19fb79 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglOnscreen---The-Onscreen-Framebuffer-Interface.html @@ -0,0 +1,1305 @@ + + + + +CoglOnscreen: The Onscreen Framebuffer Interface + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

CoglOnscreen: The Onscreen Framebuffer Interface

+

CoglOnscreen: The Onscreen Framebuffer Interface

+
+
+

Synopsis

+
                    CoglOnscreen;
+CoglBool            cogl_is_onscreen                    (void *object);
+#define             COGL_ONSCREEN                       (X)
+
+CoglOnscreen *      cogl_onscreen_new                   (CoglContext *context,
+                                                         int width,
+                                                         int height);
+
+void                (*CoglOnscreenX11MaskCallback)      (CoglOnscreen *onscreen,
+                                                         uint32_t event_mask,
+                                                         void *user_data);
+void                cogl_x11_onscreen_set_foreign_window_xid
+                                                        (CoglOnscreen *onscreen,
+                                                         uint32_t xid,
+                                                         CoglOnscreenX11MaskCallback update,
+                                                         void *user_data);
+uint32_t            cogl_x11_onscreen_get_window_xid    (CoglOnscreen *onscreen);
+uint32_t            cogl_x11_onscreen_get_visual_xid    (CoglOnscreen *onscreen);
+
+void                cogl_win32_onscreen_set_foreign_window
+                                                        (CoglOnscreen *onscreen,
+                                                         HWND hwnd);
+HWND                cogl_win32_onscreen_get_window      (CoglOnscreen *onscreen);
+
+void                cogl_onscreen_show                  (CoglOnscreen *onscreen);
+void                cogl_onscreen_hide                  (CoglOnscreen *onscreen);
+
+void                (*CoglFrameCallback)                (CoglOnscreen *onscreen,
+                                                         CoglFrameEvent event,
+                                                         CoglFrameInfo *info,
+                                                         void *user_data);
+typedef             CoglFrameClosure;
+CoglFrameClosure *  cogl_onscreen_add_frame_callback    (CoglOnscreen *onscreen,
+                                                         CoglFrameCallback callback,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);
+void                cogl_onscreen_remove_frame_callback (CoglOnscreen *onscreen,
+                                                         CoglFrameClosure *closure);
+
+struct              CoglOnscreenDirtyInfo;
+void                (*CoglOnscreenDirtyCallback)        (CoglOnscreen *onscreen,
+                                                         const CoglOnscreenDirtyInfo *info,
+                                                         void *user_data);
+typedef             CoglOnscreenDirtyClosure;
+CoglOnscreenDirtyClosure * cogl_onscreen_add_dirty_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         CoglOnscreenDirtyCallback callback,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);
+void                cogl_onscreen_remove_dirty_callback (CoglOnscreen *onscreen,
+                                                         CoglOnscreenDirtyClosure *closure);
+
+void                (*CoglOnscreenResizeCallback)       (CoglOnscreen *onscreen,
+                                                         int width,
+                                                         int height,
+                                                         void *user_data);
+typedef             CoglOnscreenResizeClosure;
+CoglOnscreenResizeClosure * cogl_onscreen_add_resize_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         CoglOnscreenResizeCallback callback,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);
+void                cogl_onscreen_remove_resize_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         CoglOnscreenResizeClosure *closure);
+
+void                cogl_onscreen_swap_buffers          (CoglOnscreen *onscreen);
+void                cogl_onscreen_swap_buffers_with_damage
+                                                        (CoglOnscreen *onscreen,
+                                                         const int *rectangles,
+                                                         int n_rectangles);
+void                cogl_onscreen_swap_region           (CoglOnscreen *onscreen,
+                                                         const int *rectangles,
+                                                         int n_rectangles);
+void                cogl_onscreen_set_swap_throttled    (CoglOnscreen *onscreen,
+                                                         CoglBool throttled);
+void                (*CoglSwapBuffersNotify)            (CoglFramebuffer *framebuffer,
+                                                         void *user_data);
+unsigned int        cogl_onscreen_add_swap_buffers_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         CoglSwapBuffersNotify callback,
+                                                         void *user_data);
+void                cogl_onscreen_remove_swap_buffers_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         unsigned int id);
+
+
+
+

Description

+
+
+

Details

+
+

CoglOnscreen

+
typedef struct _CoglOnscreen CoglOnscreen;
+
+
+
+

cogl_is_onscreen ()

+
CoglBool            cogl_is_onscreen                    (void *object);
+

+Gets whether the given object references a CoglOnscreen. +

+
++++ + + + + + + + + + + +

object :

A CoglObject pointer

Returns :

 +TRUE if the object references a CoglOnscreen +and FALSE otherwise.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

COGL_ONSCREEN()

+
#define COGL_ONSCREEN(X) ((CoglOnscreen *)(X))
+
+
+
+
+

cogl_onscreen_new ()

+
CoglOnscreen *      cogl_onscreen_new                   (CoglContext *context,
+                                                         int width,
+                                                         int height);
+

+Instantiates an "unallocated" CoglOnscreen framebuffer that may be +configured before later being allocated, either implicitly when +it is first used or explicitly via cogl_framebuffer_allocate(). +

+
++++ + + + + + + + + + + + + + + + + + + +

context :

A CoglContext +

width :

The desired framebuffer width

height :

The desired framebuffer height

Returns :

A newly instantiated CoglOnscreen framebuffer. [transfer full] +
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

CoglOnscreenX11MaskCallback ()

+
void                (*CoglOnscreenX11MaskCallback)      (CoglOnscreen *onscreen,
+                                                         uint32_t event_mask,
+                                                         void *user_data);
+
+
+
+

cogl_x11_onscreen_set_foreign_window_xid ()

+
void                cogl_x11_onscreen_set_foreign_window_xid
+                                                        (CoglOnscreen *onscreen,
+                                                         uint32_t xid,
+                                                         CoglOnscreenX11MaskCallback update,
+                                                         void *user_data);
+

+Ideally we would recommend that you let Cogl be responsible for +creating any X window required to back an onscreen framebuffer but +if you really need to target a window created manually this +function can be called before onscreen has been allocated to set a +foreign XID for your existing X window. +

+

+Since Cogl needs, for example, to track changes to the size of an X +window it requires that certain events be selected for via the core +X protocol. This requirement may also be changed asynchronously so +you must pass in an update callback to inform you of Cogl's +required event mask. +

+

+For example if you are using Xlib you could use this API roughly +as follows: +[{ +static void +my_update_cogl_x11_event_mask (CoglOnscreen *onscreen, + uint32_t event_mask, + void *user_data) +{ + XSetWindowAttributes attrs; + MyData *data = user_data; + attrs.event_mask = event_mask | data->my_event_mask; + XChangeWindowAttributes (data->xdpy, + data->xwin, + CWEventMask, + &attrs); +} +

+

+{ + *snip* + cogl_x11_onscreen_set_foreign_window_xid (onscreen, + data->xwin, + my_update_cogl_x11_event_mask, + data); + *snip* +} +}] +

+
++++ + + + + + + + + + + + + + + + + + + +

onscreen :

The unallocated framebuffer to associated with an X +window.

xid :

The XID of an existing X window

update :

A callback that notifies of updates to what Cogl requires +to be in the core X protocol event mask.

user_data :

user data passed to update +
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_x11_onscreen_get_window_xid ()

+
uint32_t            cogl_x11_onscreen_get_window_xid    (CoglOnscreen *onscreen);
+

+Assuming you know the given onscreen framebuffer is based on an x11 window +this queries the XID of that window. If +cogl_x11_onscreen_set_foreign_window_xid() was previously called then it +will return that same XID otherwise it will be the XID of a window Cogl +created internally. If the window has not been allocated yet and a foreign +xid has not been set then it's undefined what value will be returned. +

+

+It's undefined what this function does if called when not using an x11 based +renderer. +

+
++++ + + + + +

onscreen :

A CoglOnscreen framebuffer
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_x11_onscreen_get_visual_xid ()

+
uint32_t            cogl_x11_onscreen_get_visual_xid    (CoglOnscreen *onscreen);
+
+
+
+

cogl_win32_onscreen_set_foreign_window ()

+
void                cogl_win32_onscreen_set_foreign_window
+                                                        (CoglOnscreen *onscreen,
+                                                         HWND hwnd);
+

+Ideally we would recommend that you let Cogl be responsible for +creating any window required to back an onscreen framebuffer but +if you really need to target a window created manually this +function can be called before onscreen has been allocated to set a +foreign XID for your existing X window. +

+
++++ + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

hwnd :

A win32 window handle
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_win32_onscreen_get_window ()

+
HWND                cogl_win32_onscreen_get_window      (CoglOnscreen *onscreen);
+

+Queries the internally created window HWND backing the given onscreen +framebuffer. If cogl_win32_onscreen_set_foreign_window() has been used then +it will return the same handle set with that API. +

+
++++ + + + + +

onscreen :

A CoglOnscreen framebuffer
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_show ()

+
void                cogl_onscreen_show                  (CoglOnscreen *onscreen);
+

+This requests to make onscreen visible to the user. +

+

+Actually the precise semantics of this function depend on the +window system currently in use, and if you don't have a +multi-windowining system this function may in-fact do nothing. +

+

+This function will implicitly allocate the given onscreen +framebuffer before showing it if it hasn't already been allocated. +

+

+When using the Wayland winsys calling this will set the surface to +a toplevel type which will make it appear. If the application wants +to set a different type for the surface, it can avoid calling +cogl_onscreen_show() and set its own type directly with the Wayland +client API via cogl_wayland_onscreen_get_surface(). +

+

+

+
+

Note

Since Cogl doesn't explicitly track the visibility status of +onscreen framebuffers it wont try to avoid redundant window system +requests e.g. to show an already visible window. This also means +that it's acceptable to alternatively use native APIs to show and +hide windows without confusing Cogl.
+

+

+
++++ + + + + +

onscreen :

The onscreen framebuffer to make visible
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_hide ()

+
void                cogl_onscreen_hide                  (CoglOnscreen *onscreen);
+

+This requests to make onscreen invisible to the user. +

+

+Actually the precise semantics of this function depend on the +window system currently in use, and if you don't have a +multi-windowining system this function may in-fact do nothing. +

+

+This function does not implicitly allocate the given onscreen +framebuffer before hiding it. +

+

+

+
+

Note

Since Cogl doesn't explicitly track the visibility status of +onscreen framebuffers it wont try to avoid redundant window system +requests e.g. to show an already visible window. This also means +that it's acceptable to alternatively use native APIs to show and +hide windows without confusing Cogl.
+

+

+
++++ + + + + +

onscreen :

The onscreen framebuffer to make invisible
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

CoglFrameCallback ()

+
void                (*CoglFrameCallback)                (CoglOnscreen *onscreen,
+                                                         CoglFrameEvent event,
+                                                         CoglFrameInfo *info,
+                                                         void *user_data);
+

+Is a callback that can be registered via +cogl_onscreen_add_frame_callback() to be called when a frame +progresses in some notable way. +

+

+Please see the documentation for CoglFrameEvent and +cogl_onscreen_add_frame_callback() for more details about what +events can be notified. +

+
++++ + + + + + + + + + + + + + + + + + + +

onscreen :

The onscreen that the frame is associated with

event :

A CoglFrameEvent notifying how the frame has progressed

info :

The meta information, such as timing information, about +the frame that has progressed.

user_data :

The user pointer passed to +cogl_onscreen_add_frame_callback() +
+

Since 1.14

+

Stability Level: Unstable

+
+
+
+

CoglFrameClosure

+
typedef struct _CoglClosure CoglFrameClosure;
+
+

+An opaque type that tracks a CoglFrameCallback and associated user +data. A CoglFrameClosure pointer will be returned from +cogl_onscreen_add_frame_callback() and it allows you to remove a +callback later using cogl_onscreen_remove_frame_callback(). +

+

Since 1.14

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_add_frame_callback ()

+
CoglFrameClosure *  cogl_onscreen_add_frame_callback    (CoglOnscreen *onscreen,
+                                                         CoglFrameCallback callback,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);
+

+Installs a callback function that will be called for significant +events relating to the given onscreen framebuffer. +

+

+The callback will be used to notify when the system compositor is +ready for this application to render a new frame. In this case +COGL_FRAME_EVENT_SYNC will be passed as the event argument to the +given callback in addition to the CoglFrameInfo corresponding to +the frame beeing acknowledged by the compositor. +

+

+The callback will also be called to notify when the frame has +ended. In this case COGL_FRAME_EVENT_COMPLETE will be passed as +the event argument to the given callback in addition to the +CoglFrameInfo corresponding to the newly presented frame. The +meaning of "ended" here simply means that no more timing +information will be collected within the corresponding +CoglFrameInfo and so this is a good opportunity to analyse the +given info. It does not necessarily mean that the GPU has finished +rendering the corresponding frame. +

+

+We highly recommend throttling your application according to +COGL_FRAME_EVENT_SYNC events so that your application can avoid +wasting resources, drawing more frames than your system compositor +can display. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

callback :

A callback function to call for frame events. [scope notified] +

user_data :

A private pointer to be passed to callback. [closure] +

destroy :

An optional callback to destroy user_data +when the callback is removed or onscreen is freed. [allow-none] +

Returns :

a CoglFrameClosure pointer that can be used to +remove the callback and associated user_data later.
+

Since 1.14

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_remove_frame_callback ()

+
void                cogl_onscreen_remove_frame_callback (CoglOnscreen *onscreen,
+                                                         CoglFrameClosure *closure);
+

+Removes a callback and associated user data that were previously +registered using cogl_onscreen_add_frame_callback(). +

+

+If a destroy callback was passed to +cogl_onscreen_add_frame_callback() to destroy the user data then +this will get called. +

+
++++ + + + + + + + + + + +

onscreen :

A CoglOnscreen +

closure :

A CoglFrameClosure returned from +cogl_onscreen_add_frame_callback() +
+

Since 1.14

+

Stability Level: Unstable

+
+
+
+

struct CoglOnscreenDirtyInfo

+
struct CoglOnscreenDirtyInfo {
+  int x, y;
+  int width, height;
+};
+
+

+A structure passed to callbacks registered using +cogl_onscreen_add_dirty_callback(). The members describe a +rectangle within the onscreen buffer that should be redrawn. +

+
++++ + + + + + + + + + + + + + + + + + + +

int x;

Left edge of the dirty rectangle

int y;

Top edge of the dirty rectangle, measured from the top of the window

int width;

Width of the dirty rectangle

int height;

Height of the dirty rectangle
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

CoglOnscreenDirtyCallback ()

+
void                (*CoglOnscreenDirtyCallback)        (CoglOnscreen *onscreen,
+                                                         const CoglOnscreenDirtyInfo *info,
+                                                         void *user_data);
+

+Is a callback that can be registered via +cogl_onscreen_add_dirty_callback() to be called when the windowing +system determines that a region of the onscreen window has been +lost and the application should redraw it. +

+
++++ + + + + + + + + + + + + + + +

onscreen :

The onscreen that the frame is associated with

info :

A CoglOnscreenDirtyInfo struct containing the details of the +dirty area

user_data :

The user pointer passed to +cogl_onscreen_add_frame_callback() +
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

CoglOnscreenDirtyClosure

+
typedef struct _CoglClosure CoglOnscreenDirtyClosure;
+
+

+An opaque type that tracks a CoglOnscreenDirtyCallback and associated +user data. A CoglOnscreenDirtyClosure pointer will be returned from +cogl_onscreen_add_dirty_callback() and it allows you to remove a +callback later using cogl_onscreen_remove_dirty_callback(). +

+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_add_dirty_callback ()

+
CoglOnscreenDirtyClosure * cogl_onscreen_add_dirty_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         CoglOnscreenDirtyCallback callback,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);
+

+Installs a callback function that will be called whenever the +window system has lost the contents of a region of the onscreen +buffer and the application should redraw it to repair the buffer. +For example this may happen in a window system without a compositor +if a window that was previously covering up the onscreen window has +been moved causing a region of the onscreen to be exposed. +

+

+The callback will be passed a CoglOnscreenDirtyInfo struct which +decribes a rectangle containing the newly dirtied region. Note that +this may be called multiple times to describe a non-rectangular +region composed of multiple smaller rectangles. +

+

+The dirty events are separate from COGL_FRAME_EVENT_SYNC events so +the application should also listen for this event before rendering +the dirty region to ensure that the framebuffer is actually ready +for rendering. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

callback :

A callback function to call for dirty events. [scope notified] +

user_data :

A private pointer to be passed to callback. [closure] +

destroy :

An optional callback to destroy user_data when the +callback is removed or onscreen is freed. [allow-none] +

Returns :

a CoglOnscreenDirtyClosure pointer that can be used to +remove the callback and associated user_data later.
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_remove_dirty_callback ()

+
void                cogl_onscreen_remove_dirty_callback (CoglOnscreen *onscreen,
+                                                         CoglOnscreenDirtyClosure *closure);
+

+Removes a callback and associated user data that were previously +registered using cogl_onscreen_add_dirty_callback(). +

+

+If a destroy callback was passed to +cogl_onscreen_add_dirty_callback() to destroy the user data then +this will also get called. +

+
++++ + + + + + + + + + + +

onscreen :

A CoglOnscreen +

closure :

A CoglOnscreenDirtyClosure returned from +cogl_onscreen_add_dirty_callback() +
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

CoglOnscreenResizeCallback ()

+
void                (*CoglOnscreenResizeCallback)       (CoglOnscreen *onscreen,
+                                                         int width,
+                                                         int height,
+                                                         void *user_data);
+

+Is a callback type used with the +cogl_onscreen_add_resize_callback() allowing applications to be +notified whenever an onscreen framebuffer is resized. +

+

+

+
+

Note

Cogl automatically updates the viewport of an onscreen +framebuffer that is resized so this callback is also an indication +that the viewport has been modified too
+

+

+

+

+
+

Note

A resize callback will only ever be called while dispatching +Cogl events from the system mainloop; so for example during +cogl_poll_renderer_dispatch(). This is so that callbacks shouldn't +occur while an application might have arbitrary locks held for +example.
+

+

+
++++ + + + + + + + + + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer that was resized

width :

The new width of onscreen +

height :

The new height of onscreen +

user_data :

The private passed to +cogl_onscreen_add_resize_callback() +
+

Since 2.0

+
+
+
+

CoglOnscreenResizeClosure

+
typedef struct _CoglClosure CoglOnscreenResizeClosure;
+
+

+An opaque type that tracks a CoglOnscreenResizeCallback and +associated user data. A CoglOnscreenResizeClosure pointer will be +returned from cogl_onscreen_add_resize_callback() and it allows you +to remove a callback later using +cogl_onscreen_remove_resize_callback(). +

+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_add_resize_callback ()

+
CoglOnscreenResizeClosure * cogl_onscreen_add_resize_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         CoglOnscreenResizeCallback callback,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);
+

+Registers a callback with onscreen that will be called whenever +the onscreen framebuffer changes size. +

+

+The callback can be removed using +cogl_onscreen_remove_resize_callback() passing the returned closure +pointer. +

+

+

+
+

Note

Since Cogl automatically updates the viewport of an onscreen +framebuffer that is resized, a resize callback can also be used to +track when the viewport has been changed automatically by Cogl in +case your application needs more specialized control over the +viewport.
+

+

+

+

+
+

Note

A resize callback will only ever be called while dispatching +Cogl events from the system mainloop; so for example during +cogl_poll_renderer_dispatch(). This is so that callbacks shouldn't +occur while an application might have arbitrary locks held for +example.
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

callback :

A CoglOnscreenResizeCallback to call when +the onscreen changes size. [scope notified] +

user_data :

Private data to be passed to callback. [closure] +

destroy :

An optional callback to destroy user_data +when the callback is removed or onscreen is freed. [allow-none] +

Returns :

a CoglOnscreenResizeClosure pointer that can be used to +remove the callback and associated user_data later.
+

Since 2.0

+
+
+
+

cogl_onscreen_remove_resize_callback ()

+
void                cogl_onscreen_remove_resize_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         CoglOnscreenResizeClosure *closure);
+

+Removes a resize callback and user_data pair that were previously +associated with onscreen via cogl_onscreen_add_resize_callback(). +

+
++++ + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

closure :

An identifier returned from cogl_onscreen_add_resize_callback() +
+

Since 2.0

+
+
+
+

cogl_onscreen_swap_buffers ()

+
void                cogl_onscreen_swap_buffers          (CoglOnscreen *onscreen);
+

+Swaps the current back buffer being rendered too, to the front for display. +

+

+This function also implicitly discards the contents of the color, depth and +stencil buffers as if cogl_framebuffer_discard_buffers() were used. The +significance of the discard is that you should not expect to be able to +start a new frame that incrementally builds on the contents of the previous +frame. +

+

+

+
+

Note

It is highly recommended that applications use +cogl_onscreen_swap_buffers_with_damage() instead whenever possible +and also use the cogl_onscreen_get_buffer_age() api so they can +perform incremental updates to older buffers instead of having to +render a full buffer for every frame.
+

+

+
++++ + + + + +

onscreen :

A CoglOnscreen framebuffer
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_swap_buffers_with_damage ()

+
void                cogl_onscreen_swap_buffers_with_damage
+                                                        (CoglOnscreen *onscreen,
+                                                         const int *rectangles,
+                                                         int n_rectangles);
+

+Swaps the current back buffer being rendered too, to the front for +display and provides information to any system compositor about +what regions of the buffer have changed (damage) with respect to +the last swapped buffer. +

+

+This function has the same semantics as +cogl_framebuffer_swap_buffers() except that it additionally allows +applications to pass a list of damaged rectangles which may be +passed on to a compositor so that it can minimize how much of the +screen is redrawn in response to this applications newly swapped +front buffer. +

+

+For example if your application is only animating a small object in +the corner of the screen and everything else is remaining static +then it can help the compositor to know that only the bottom right +corner of your newly swapped buffer has really changed with respect +to your previously swapped front buffer. +

+

+If n_rectangles is 0 then the whole buffer will implicitly be +reported as damaged as if cogl_onscreen_swap_buffers() had been +called. +

+

+This function also implicitly discards the contents of the color, +depth and stencil buffers as if cogl_framebuffer_discard_buffers() +were used. The significance of the discard is that you should not +expect to be able to start a new frame that incrementally builds on +the contents of the previous frame. If you want to perform +incremental updates to older back buffers then please refer to the +cogl_onscreen_get_buffer_age() api. +

+

+Whenever possible it is recommended that applications use this +function instead of cogl_onscreen_swap_buffers() to improve +performance when running under a compositor. +

+

+

+
+

Note

It is highly recommended to use this API in conjunction with +the cogl_onscreen_get_buffer_age() api so that your application can +perform incremental rendering based on old back buffers.
+

+

+
++++ + + + + + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

rectangles :

An array of integer 4-tuples representing damaged +rectangles as (x, y, width, height) tuples.

n_rectangles :

The number of 4-tuples to be read from rectangles +
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_swap_region ()

+
void                cogl_onscreen_swap_region           (CoglOnscreen *onscreen,
+                                                         const int *rectangles,
+                                                         int n_rectangles);
+

+Swaps a region of the back buffer being rendered too, to the front for +display. rectangles represents the region as array of n_rectangles each +defined by 4 sequential (x, y, width, height) integers. +

+

+This function also implicitly discards the contents of the color, depth and +stencil buffers as if cogl_framebuffer_discard_buffers() were used. The +significance of the discard is that you should not expect to be able to +start a new frame that incrementally builds on the contents of the previous +frame. +

+
++++ + + + + + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

rectangles :

An array of integer 4-tuples representing rectangles as +(x, y, width, height) tuples.

n_rectangles :

The number of 4-tuples to be read from rectangles +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_set_swap_throttled ()

+
void                cogl_onscreen_set_swap_throttled    (CoglOnscreen *onscreen,
+                                                         CoglBool throttled);
+

+Requests that the given onscreen framebuffer should have swap buffer +requests (made using cogl_onscreen_swap_buffers()) throttled either by a +displays vblank period or perhaps some other mechanism in a composited +environment. +

+
++++ + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

throttled :

Whether swap throttling is wanted or not.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

CoglSwapBuffersNotify ()

+
void                (*CoglSwapBuffersNotify)            (CoglFramebuffer *framebuffer,
+                                                         void *user_data);
+
+
+
+

cogl_onscreen_add_swap_buffers_callback ()

+
unsigned int        cogl_onscreen_add_swap_buffers_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         CoglSwapBuffersNotify callback,
+                                                         void *user_data);
+
+

Warning

+

cogl_onscreen_add_swap_buffers_callback has been deprecated since version 1.14 and should not be used in newly-written code. Use cogl_onscreen_add_frame_callback() instead

+
+

+Installs a callback function that should be called whenever a swap buffers +request (made using cogl_onscreen_swap_buffers()) for the given +onscreen completes. +

+

+

+
+

Note

Applications should check for the COGL_FEATURE_ID_SWAP_BUFFERS_EVENT +feature before using this API. It's currently undefined when and if +registered callbacks will be called if this feature is not supported.
+

+

+

+We recommend using this mechanism when available to manually throttle your +applications (in conjunction with cogl_onscreen_set_swap_throttled()) so +your application will be able to avoid long blocks in the driver caused by +throttling when you request to swap buffers too quickly. +

+
++++ + + + + + + + + + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

callback :

A callback function to call when a swap +has completed. [scope notified] +

user_data :

A private pointer to be passed to callback. [closure] +

Returns :

a unique identifier that can be used to remove to remove +the callback later.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_remove_swap_buffers_callback ()

+
void                cogl_onscreen_remove_swap_buffers_callback
+                                                        (CoglOnscreen *onscreen,
+                                                         unsigned int id);
+
+

Warning

+

cogl_onscreen_remove_swap_buffers_callback has been deprecated since version 1.14 and should not be used in newly-written code. Use cogl_onscreen_remove_frame_callback() instead

+
+

+Removes a callback that was previously registered +using cogl_onscreen_add_swap_buffers_callback(). +

+
++++ + + + + + + + + + + +

onscreen :

A CoglOnscreen framebuffer

id :

An identifier returned from cogl_onscreen_add_swap_buffers_callback() +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglOnscreenTemplate---Describe-a-template-for-onscreen-framebuffers.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglOnscreenTemplate---Describe-a-template-for-onscreen-framebuffers.html new file mode 100644 index 0000000..5009352 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglOnscreenTemplate---Describe-a-template-for-onscreen-framebuffers.html @@ -0,0 +1,94 @@ + + + + +CoglOnscreenTemplate: Describe a template for onscreen framebuffers + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

CoglOnscreenTemplate: Describe a template for onscreen framebuffers

+

CoglOnscreenTemplate: Describe a template for onscreen framebuffers

+
+
+

Synopsis

+
                    CoglOnscreenTemplate;
+CoglBool            cogl_is_onscreen_template           (void *object);
+
+CoglOnscreenTemplate * cogl_onscreen_template_new       (CoglSwapChain *swap_chain);
+
+
+
+

Description

+
+
+

Details

+
+

CoglOnscreenTemplate

+
typedef struct _CoglOnscreenTemplate CoglOnscreenTemplate;
+
+
+
+

cogl_is_onscreen_template ()

+
CoglBool            cogl_is_onscreen_template           (void *object);
+

+Gets whether the given object references a CoglOnscreenTemplate. +

+
++++ + + + + + + + + + + +

object :

A CoglObject pointer

Returns :

 +TRUE if the object references a CoglOnscreenTemplate +and FALSE otherwise.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_onscreen_template_new ()

+
CoglOnscreenTemplate * cogl_onscreen_template_new       (CoglSwapChain *swap_chain);
+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglRenderer---Connect-to-a-backend-renderer.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglRenderer---Connect-to-a-backend-renderer.html new file mode 100644 index 0000000..1cf1857 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-CoglRenderer---Connect-to-a-backend-renderer.html @@ -0,0 +1,916 @@ + + + + +CoglRenderer: Connect to a backend renderer + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

CoglRenderer: Connect to a backend renderer

+

CoglRenderer: Connect to a backend renderer — Choosing a means to render

+
+
+

Synopsis

+
                    CoglRenderer;
+CoglBool            cogl_is_renderer                    (void *object);
+
+CoglRenderer *      cogl_renderer_new                   (void);
+int                 cogl_renderer_get_n_fragment_texture_units
+                                                        (CoglRenderer *renderer);
+CoglBool            cogl_renderer_connect               (CoglRenderer *renderer,
+                                                         CoglError **error);
+
+enum                CoglWinsysID;
+void                cogl_renderer_set_winsys_id         (CoglRenderer *renderer,
+                                                         CoglWinsysID winsys_id);
+CoglWinsysID        cogl_renderer_get_winsys_id         (CoglRenderer *renderer);
+enum                CoglRendererConstraint;
+void                cogl_renderer_add_constraint        (CoglRenderer *renderer,
+                                                         CoglRendererConstraint constraint);
+void                cogl_renderer_remove_constraint     (CoglRenderer *renderer,
+                                                         CoglRendererConstraint constraint);
+
+void                cogl_xlib_renderer_set_foreign_display
+                                                        (CoglRenderer *renderer,
+                                                         Display *display);
+Display *           cogl_xlib_renderer_get_foreign_display
+                                                        (CoglRenderer *renderer);
+
+CoglFilterReturn    (*CoglXlibFilterFunc)               (XEvent *event,
+                                                         void *data);
+enum                CoglFilterReturn;
+void                cogl_xlib_renderer_add_filter       (CoglRenderer *renderer,
+                                                         CoglXlibFilterFunc func,
+                                                         void *data);
+void                cogl_xlib_renderer_remove_filter    (CoglRenderer *renderer,
+                                                         CoglXlibFilterFunc func,
+                                                         void *data);
+CoglFilterReturn    cogl_xlib_renderer_handle_event     (CoglRenderer *renderer,
+                                                         XEvent *event);
+
+CoglFilterReturn    (*CoglWin32FilterFunc)              (MSG *message,
+                                                         void *data);
+void                cogl_win32_renderer_add_filter      (CoglRenderer *renderer,
+                                                         CoglWin32FilterFunc func,
+                                                         void *data);
+void                cogl_win32_renderer_remove_filter   (CoglRenderer *renderer,
+                                                         CoglWin32FilterFunc func,
+                                                         void *data);
+CoglFilterReturn    cogl_win32_renderer_handle_event    (CoglRenderer *renderer,
+                                                         MSG *message);
+void                cogl_win32_renderer_set_event_retrieval_enabled
+                                                        (CoglRenderer *renderer,
+                                                         CoglBool enable);
+
+void                cogl_wayland_renderer_set_foreign_display
+                                                        (CoglRenderer *renderer,
+                                                         struct wl_display *display);
+void                cogl_wayland_renderer_set_event_dispatch_enabled
+                                                        (CoglRenderer *renderer,
+                                                         CoglBool enable);
+struct wl_display * cogl_wayland_renderer_get_display   (CoglRenderer *renderer);
+
+
+
+

Description

+

+A CoglRenderer represents a means to render. It encapsulates the +selection of an underlying driver, such as OpenGL or OpenGL-ES and +a selection of a window system binding API such as GLX, or EGL or +WGL. +

+

+A CoglRenderer has two states, "unconnected" and "connected". When +a renderer is first instantiated using cogl_renderer_new() it is +unconnected so that it can be configured and constraints can be +specified for how the backend driver and window system should be +chosen. +

+

+After configuration a CoglRenderer can (optionally) be explicitly +connected using cogl_renderer_connect() which allows for the +handling of connection errors so that fallback configurations can +be tried if necessary. Applications that don't support any +fallbacks though can skip using cogl_renderer_connect() and leave +Cogl to automatically connect the renderer. +

+

+Once you have a configured CoglRenderer it can be used to create a +CoglDisplay object using cogl_display_new(). +

+

+

+
+

Note

Many applications don't need to explicitly use +cogl_renderer_new() or cogl_display_new() and can just jump +straight to cogl_context_new() and pass a NULL display argument so +Cogl will automatically connect and setup a renderer and +display.
+

+

+
+
+

Details

+
+

CoglRenderer

+
typedef struct _CoglRenderer CoglRenderer;
+
+
+
+

cogl_is_renderer ()

+
CoglBool            cogl_is_renderer                    (void *object);
+

+Determines if the given object is a CoglRenderer +

+
++++ + + + + + + + + + + +

object :

A CoglObject pointer

Returns :

 +TRUE if object is a CoglRenderer, else FALSE.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_renderer_new ()

+
CoglRenderer *      cogl_renderer_new                   (void);
+

+Instantiates a new (unconnected) CoglRenderer object. A +CoglRenderer represents a means to render. It encapsulates the +selection of an underlying driver, such as OpenGL or OpenGL-ES and +a selection of a window system binding API such as GLX, or EGL or +WGL. +

+

+While the renderer is unconnected it can be configured so that +applications may specify backend constraints, such as "must use +x11" for example via cogl_renderer_add_constraint(). +

+

+There are also some platform specific configuration apis such +as cogl_xlib_renderer_set_foreign_display() that may also be +used while the renderer is unconnected. +

+

+Once the renderer has been configured, then it may (optionally) be +explicitly connected using cogl_renderer_connect() which allows +errors to be handled gracefully and potentially fallback +configurations can be tried out if there are initial failures. +

+

+If a renderer is not explicitly connected then cogl_display_new() +will automatically connect the renderer for you. If you don't +have any code to deal with error/fallback situations then its fine +to just let Cogl do the connection for you. +

+

+Once you have setup your renderer then the next step is to create a +CoglDisplay using cogl_display_new(). +

+

+

+
+

Note

Many applications don't need to explicitly use +cogl_renderer_new() or cogl_display_new() and can just jump +straight to cogl_context_new() and pass a NULL display argument +so Cogl will automatically connect and setup a renderer and +display.
+

+

+
++++ + + + + +

Returns :

A newly created CoglRenderer. [transfer full] +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_renderer_get_n_fragment_texture_units ()

+
int                 cogl_renderer_get_n_fragment_texture_units
+                                                        (CoglRenderer *renderer);
+

+Queries how many texture units can be used from fragment programs +

+
++++ + + + + + + + + + + +

renderer :

A CoglRenderer +

Returns :

the number of texture image units.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_renderer_connect ()

+
CoglBool            cogl_renderer_connect               (CoglRenderer *renderer,
+                                                         CoglError **error);
+

+Connects the configured renderer. Renderer connection isn't a +very active process, it basically just means validating that +any given constraint criteria can be satisfied and that a +usable driver and window system backend can be found. +

+
++++ + + + + + + + + + + + + + + +

renderer :

An unconnected CoglRenderer +

error :

a pointer to a CoglError for reporting exceptions

Returns :

 +TRUE if there was no error while connecting the +given renderer. FALSE if there was an error.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

enum CoglWinsysID

+
typedef enum {
+  COGL_WINSYS_ID_ANY,
+  COGL_WINSYS_ID_STUB,
+  COGL_WINSYS_ID_GLX,
+  COGL_WINSYS_ID_EGL_XLIB,
+  COGL_WINSYS_ID_EGL_NULL,
+  COGL_WINSYS_ID_EGL_GDL,
+  COGL_WINSYS_ID_EGL_WAYLAND,
+  COGL_WINSYS_ID_EGL_KMS,
+  COGL_WINSYS_ID_EGL_ANDROID,
+  COGL_WINSYS_ID_WGL,
+  COGL_WINSYS_ID_SDL
+} CoglWinsysID;
+
+

+Identifies specific window system backends that Cogl supports. +

+

+These can be used to query what backend Cogl is using or to try and +explicitly select a backend to use. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

COGL_WINSYS_ID_ANY

Implies no preference for which backend is used +

COGL_WINSYS_ID_STUB

Use the no-op stub backend +

COGL_WINSYS_ID_GLX

Use the GLX window system binding API +

COGL_WINSYS_ID_EGL_XLIB

Use EGL with the X window system via XLib +

COGL_WINSYS_ID_EGL_NULL

Use EGL with the PowerVR NULL window system +

COGL_WINSYS_ID_EGL_GDL

Use EGL with the GDL platform +

COGL_WINSYS_ID_EGL_WAYLAND

Use EGL with the Wayland window system +

COGL_WINSYS_ID_EGL_KMS

Use EGL with the KMS platform +

COGL_WINSYS_ID_EGL_ANDROID

Use EGL with the Android platform +

COGL_WINSYS_ID_WGL

Use the Microsoft Windows WGL binding API +

COGL_WINSYS_ID_SDL

Use the SDL window system +
+
+
+
+

cogl_renderer_set_winsys_id ()

+
void                cogl_renderer_set_winsys_id         (CoglRenderer *renderer,
+                                                         CoglWinsysID winsys_id);
+

+This allows you to explicitly select a winsys backend to use instead +of letting Cogl automatically select a backend. +

+

+if you select an unsupported backend then cogl_renderer_connect() +will fail and report an error. +

+

+This may only be called on an un-connected CoglRenderer. +

+
++++ + + + + + + + + + + +

renderer :

A CoglRenderer +

winsys_id :

An ID of the winsys you explicitly want to use.
+
+
+
+

cogl_renderer_get_winsys_id ()

+
CoglWinsysID        cogl_renderer_get_winsys_id         (CoglRenderer *renderer);
+

+Queries which window system backend Cogl has chosen to use. +

+

+This may only be called on a connected CoglRenderer. +

+
++++ + + + + + + + + + + +

renderer :

A CoglRenderer +

Returns :

The CoglWinsysID corresponding to the chosen window +system backend.
+
+
+
+

enum CoglRendererConstraint

+
typedef enum {
+  COGL_RENDERER_CONSTRAINT_USES_X11 = (1 << 0),
+  COGL_RENDERER_CONSTRAINT_USES_XLIB = (1 << 1),
+  COGL_RENDERER_CONSTRAINT_USES_EGL = (1 << 2),
+  COGL_RENDERER_CONSTRAINT_SUPPORTS_COGL_GLES2 = (1 << 3)
+} CoglRendererConstraint;
+
+

+These constraint flags are hard-coded features of the different renderer +backends. Sometimes a platform may support multiple rendering options which +Cogl will usually choose from automatically. Some of these features are +important to higher level applications and frameworks though, such as +whether a renderer is X11 based because an application might only support +X11 based input handling. An application might also need to ensure EGL is +used internally too if they depend on access to an EGLDisplay for some +purpose. +

+

+Applications should ideally minimize how many of these constraints +they depend on to ensure maximum portability. +

+
++++ + + + + + + + + + + + + + + + + + + +

COGL_RENDERER_CONSTRAINT_USES_X11

Require the renderer to be X11 based +

COGL_RENDERER_CONSTRAINT_USES_XLIB

Require the renderer to be X11 + based and use Xlib +

COGL_RENDERER_CONSTRAINT_USES_EGL

Require the renderer to be EGL based +

COGL_RENDERER_CONSTRAINT_SUPPORTS_COGL_GLES2

Require that the + renderer supports creating a CoglGLES2Context via + cogl_gles2_context_new(). This can be used to integrate GLES 2.0 + code into Cogl based applications. +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_renderer_add_constraint ()

+
void                cogl_renderer_add_constraint        (CoglRenderer *renderer,
+                                                         CoglRendererConstraint constraint);
+

+This adds a renderer selection constraint. +

+

+Applications should ideally minimize how many of these constraints they +depend on to ensure maximum portability. +

+
++++ + + + + + + + + + + +

renderer :

An unconnected CoglRenderer +

constraint :

A CoglRendererConstraint to add
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_renderer_remove_constraint ()

+
void                cogl_renderer_remove_constraint     (CoglRenderer *renderer,
+                                                         CoglRendererConstraint constraint);
+

+This removes a renderer selection constraint. +

+

+Applications should ideally minimize how many of these constraints they +depend on to ensure maximum portability. +

+
++++ + + + + + + + + + + +

renderer :

An unconnected CoglRenderer +

constraint :

A CoglRendererConstraint to remove
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_xlib_renderer_set_foreign_display ()

+
void                cogl_xlib_renderer_set_foreign_display
+                                                        (CoglRenderer *renderer,
+                                                         Display *display);
+
+
+
+

cogl_xlib_renderer_get_foreign_display ()

+
Display *           cogl_xlib_renderer_get_foreign_display
+                                                        (CoglRenderer *renderer);
+
+
+
+

CoglXlibFilterFunc ()

+
CoglFilterReturn    (*CoglXlibFilterFunc)               (XEvent *event,
+                                                         void *data);
+
+
+
+

enum CoglFilterReturn

+
typedef enum {
+ /*< prefix=COGL_FILTER >*/
+  COGL_FILTER_CONTINUE,
+  COGL_FILTER_REMOVE
+} CoglFilterReturn;
+
+

+Return values for the CoglXlibFilterFunc and CoglWin32FilterFunc functions. +

+
++++ + + + + + + + + + + +

COGL_FILTER_CONTINUE

The event was not handled, continues the + processing +

COGL_FILTER_REMOVE

Remove the event, stops the processing +
+

Stability Level: Unstable

+
+
+
+

cogl_xlib_renderer_add_filter ()

+
void                cogl_xlib_renderer_add_filter       (CoglRenderer *renderer,
+                                                         CoglXlibFilterFunc func,
+                                                         void *data);
+
+
+
+

cogl_xlib_renderer_remove_filter ()

+
void                cogl_xlib_renderer_remove_filter    (CoglRenderer *renderer,
+                                                         CoglXlibFilterFunc func,
+                                                         void *data);
+
+
+
+

cogl_xlib_renderer_handle_event ()

+
CoglFilterReturn    cogl_xlib_renderer_handle_event     (CoglRenderer *renderer,
+                                                         XEvent *event);
+
+
+
+

CoglWin32FilterFunc ()

+
CoglFilterReturn    (*CoglWin32FilterFunc)              (MSG *message,
+                                                         void *data);
+

+A callback function that can be registered with +cogl_win32_renderer_add_filter(). The function should return +COGL_FILTER_REMOVE if it wants to prevent further processing or +COGL_FILTER_CONTINUE otherwise. +

+
++++ + + + + + + + + + + +

message :

A pointer to a win32 MSG struct

data :

The data that was given when the filter was added
+
+
+
+

cogl_win32_renderer_add_filter ()

+
void                cogl_win32_renderer_add_filter      (CoglRenderer *renderer,
+                                                         CoglWin32FilterFunc func,
+                                                         void *data);
+

+Adds a callback function that will receive all native events. The +function can stop further processing of the event by return +COGL_FILTER_REMOVE. +

+
++++ + + + + + + + + + + + + + + +

renderer :

a CoglRenderer +

func :

the callback function

data :

user data passed to func when called
+
+
+
+

cogl_win32_renderer_remove_filter ()

+
void                cogl_win32_renderer_remove_filter   (CoglRenderer *renderer,
+                                                         CoglWin32FilterFunc func,
+                                                         void *data);
+

+Removes a callback that was previously added with +cogl_win32_renderer_add_filter(). +

+
++++ + + + + + + + + + + + + + + +

renderer :

a CoglRenderer +

func :

the callback function

data :

user data given when the callback was installed
+
+
+
+

cogl_win32_renderer_handle_event ()

+
CoglFilterReturn    cogl_win32_renderer_handle_event    (CoglRenderer *renderer,
+                                                         MSG *message);
+

+This function processes a single event; it can be used to hook into +external event retrieval (for example that done by Clutter or +GDK). +

+
++++ + + + + + + + + + + + + + + +

renderer :

a CoglRenderer +

message :

A pointer to a win32 MSG struct

Returns :

 +CoglFilterReturn. COGL_FILTER_REMOVE indicates that +Cogl has internally handled the event and the caller should do no +further processing. COGL_FILTER_CONTINUE indicates that Cogl is +either not interested in the event, or has used the event to update +internal state without taking any exclusive action.
+
+
+
+

cogl_win32_renderer_set_event_retrieval_enabled ()

+
void                cogl_win32_renderer_set_event_retrieval_enabled
+                                                        (CoglRenderer *renderer,
+                                                         CoglBool enable);
+

+Sets whether Cogl should automatically retrieve messages from +Windows. It defaults to TRUE. It can be set to FALSE if the +application wants to handle its own message retrieval. Note that +Cogl still needs to see all of the messages to function properly so +the application should call cogl_win32_renderer_handle_event() for +each message if it disables automatic event retrieval. +

+
++++ + + + + + + + + + + +

renderer :

a CoglRenderer +

enable :

The new value
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

cogl_wayland_renderer_set_foreign_display ()

+
void                cogl_wayland_renderer_set_foreign_display
+                                                        (CoglRenderer *renderer,
+                                                         struct wl_display *display);
+

+Allows you to explicitly control what Wayland display you want Cogl +to work with instead of leaving Cogl to automatically connect to a +wayland compositor. +

+
++++ + + + + + + + + + + +

renderer :

A CoglRenderer +

display :

A Wayland display
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_wayland_renderer_set_event_dispatch_enabled ()

+
void                cogl_wayland_renderer_set_event_dispatch_enabled
+                                                        (CoglRenderer *renderer,
+                                                         CoglBool enable);
+

+Sets whether Cogl should handle calling wl_display_dispatch() and +wl_display_flush() as part of its main loop integration via +cogl_poll_renderer_get_info() and cogl_poll_renderer_dispatch(). +The default value is TRUE. When it is enabled the application can +register listeners for Wayland interfaces and the callbacks will be +invoked during cogl_poll_renderer_dispatch(). If the application +wants to integrate with its own code that is already handling +reading from the Wayland display socket, it should disable this to +avoid having competing code read from the socket. +

+
++++ + + + + + + + + + + +

renderer :

A CoglRenderer +

enable :

The new value
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

cogl_wayland_renderer_get_display ()

+
struct wl_display * cogl_wayland_renderer_get_display   (CoglRenderer *renderer);
+

+Retrieves the Wayland display that Cogl is using. If a foreign +display has been specified using +cogl_wayland_renderer_set_foreign_display() then that display will +be returned. If no foreign display has been specified then the +display that Cogl creates internally will be returned unless the +renderer has not yet been connected (either implicitly or explicitly by +calling cogl_renderer_connect()) in which case NULL is returned. +

+
++++ + + + + + + + + + + +

renderer :

A CoglRenderer +

Returns :

The wayland display currently associated with renderer, +or NULL if the renderer hasn't yet been connected and no +foreign display has been specified.
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Color-Type.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Color-Type.html new file mode 100644 index 0000000..4cc84f0 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Color-Type.html @@ -0,0 +1,1110 @@ + + + + +Color Type + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Color Type

+

Color Type — A generic color definition

+
+
+

Synopsis

+
struct              CoglColor;
+CoglColor *         cogl_color_new                      (void);
+CoglColor *         cogl_color_copy                     (const CoglColor *color);
+void                cogl_color_free                     (CoglColor *color);
+void                cogl_color_set_from_4ub             (CoglColor *color,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);
+void                cogl_color_set_from_4f              (CoglColor *color,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+
+float               cogl_color_get_red                  (const CoglColor *color);
+float               cogl_color_get_green                (const CoglColor *color);
+float               cogl_color_get_blue                 (const CoglColor *color);
+float               cogl_color_get_alpha                (const CoglColor *color);
+
+unsigned char       cogl_color_get_red_byte             (const CoglColor *color);
+unsigned char       cogl_color_get_green_byte           (const CoglColor *color);
+unsigned char       cogl_color_get_blue_byte            (const CoglColor *color);
+unsigned char       cogl_color_get_alpha_byte           (const CoglColor *color);
+
+float               cogl_color_get_red_float            (const CoglColor *color);
+float               cogl_color_get_green_float          (const CoglColor *color);
+float               cogl_color_get_blue_float           (const CoglColor *color);
+float               cogl_color_get_alpha_float          (const CoglColor *color);
+
+void                cogl_color_set_red                  (CoglColor *color,
+                                                         float red);
+void                cogl_color_set_green                (CoglColor *color,
+                                                         float green);
+void                cogl_color_set_blue                 (CoglColor *color,
+                                                         float blue);
+void                cogl_color_set_alpha                (CoglColor *color,
+                                                         float alpha);
+
+void                cogl_color_set_red_byte             (CoglColor *color,
+                                                         unsigned char red);
+void                cogl_color_set_green_byte           (CoglColor *color,
+                                                         unsigned char green);
+void                cogl_color_set_blue_byte            (CoglColor *color,
+                                                         unsigned char blue);
+void                cogl_color_set_alpha_byte           (CoglColor *color,
+                                                         unsigned char alpha);
+
+void                cogl_color_set_red_float            (CoglColor *color,
+                                                         float red);
+void                cogl_color_set_green_float          (CoglColor *color,
+                                                         float green);
+void                cogl_color_set_blue_float           (CoglColor *color,
+                                                         float blue);
+void                cogl_color_set_alpha_float          (CoglColor *color,
+                                                         float alpha);
+
+void                cogl_color_premultiply              (CoglColor *color);
+void                cogl_color_unpremultiply            (CoglColor *color);
+CoglBool            cogl_color_equal                    (const void *v1,
+                                                         const void *v2);
+
+void                cogl_color_init_from_hsl            (CoglColor *color,
+                                                         float hue,
+                                                         float saturation,
+                                                         float luminance);
+void                cogl_color_to_hsl                   (const CoglColor *color,
+                                                         float *hue,
+                                                         float *saturation,
+                                                         float *luminance);
+
+
+
+

Description

+

+CoglColor is a simple structure holding the definition of a color such +that it can be efficiently used by GL +

+
+
+

Details

+
+

struct CoglColor

+
struct CoglColor {
+};
+
+

+A structure for holding a color definition. The contents of +the CoglColor structure are private and should never by accessed +directly. +

+
++++ + +
+

Since 1.0

+
+
+
+

cogl_color_new ()

+
CoglColor *         cogl_color_new                      (void);
+

+Creates a new (empty) color +

+
++++ + + + + +

Returns :

a newly-allocated CoglColor. Use cogl_color_free() +to free the allocated resources
+

Since 1.0

+
+
+
+

cogl_color_copy ()

+
CoglColor *         cogl_color_copy                     (const CoglColor *color);
+

+Creates a copy of color +

+
++++ + + + + + + + + + + +

color :

the color to copy

Returns :

a newly-allocated CoglColor. Use cogl_color_free() +to free the allocate resources
+

Since 1.0

+
+
+
+

cogl_color_free ()

+
void                cogl_color_free                     (CoglColor *color);
+

+Frees the resources allocated by cogl_color_new() and cogl_color_copy() +

+
++++ + + + + +

color :

the color to free
+

Since 1.0

+
+
+
+

cogl_color_set_from_4ub ()

+
void                cogl_color_set_from_4ub             (CoglColor *color,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);
+
+

Warning

+

cogl_color_set_from_4ub has been deprecated since version 1.4 and should not be used in newly-written code. Use cogl_color_init_from_4ub instead.

+
+

+Sets the values of the passed channels into a CoglColor. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

color :

A pointer to a CoglColor to initialize

red :

value of the red channel, between 0 and 255

green :

value of the green channel, between 0 and 255

blue :

value of the blue channel, between 0 and 255

alpha :

value of the alpha channel, between 0 and 255
+

Since 1.0

+
+
+
+

cogl_color_set_from_4f ()

+
void                cogl_color_set_from_4f              (CoglColor *color,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+
+

Warning

+

cogl_color_set_from_4f has been deprecated since version 1.4 and should not be used in newly-written code. Use cogl_color_init_from_4f instead.

+
+

+Sets the values of the passed channels into a CoglColor +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

color :

A pointer to a CoglColor to initialize

red :

value of the red channel, between 0 and 1.0

green :

value of the green channel, between 0 and 1.0

blue :

value of the blue channel, between 0 and 1.0

alpha :

value of the alpha channel, between 0 and 1.0
+

Since 1.0

+
+
+
+

cogl_color_get_red ()

+
float               cogl_color_get_red                  (const CoglColor *color);
+

+Retrieves the red channel of color as a fixed point +value between 0 and 1.0. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the red channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_green ()

+
float               cogl_color_get_green                (const CoglColor *color);
+

+Retrieves the green channel of color as a fixed point +value between 0 and 1.0. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the green channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_blue ()

+
float               cogl_color_get_blue                 (const CoglColor *color);
+

+Retrieves the blue channel of color as a fixed point +value between 0 and 1.0. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the blue channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_alpha ()

+
float               cogl_color_get_alpha                (const CoglColor *color);
+

+Retrieves the alpha channel of color as a fixed point +value between 0 and 1.0. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the alpha channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_red_byte ()

+
unsigned char       cogl_color_get_red_byte             (const CoglColor *color);
+

+Retrieves the red channel of color as a byte value +between 0 and 255 +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the red channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_green_byte ()

+
unsigned char       cogl_color_get_green_byte           (const CoglColor *color);
+

+Retrieves the green channel of color as a byte value +between 0 and 255 +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the green channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_blue_byte ()

+
unsigned char       cogl_color_get_blue_byte            (const CoglColor *color);
+

+Retrieves the blue channel of color as a byte value +between 0 and 255 +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the blue channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_alpha_byte ()

+
unsigned char       cogl_color_get_alpha_byte           (const CoglColor *color);
+

+Retrieves the alpha channel of color as a byte value +between 0 and 255 +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the alpha channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_red_float ()

+
float               cogl_color_get_red_float            (const CoglColor *color);
+

+Retrieves the red channel of color as a floating point +value between 0.0 and 1.0 +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the red channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_green_float ()

+
float               cogl_color_get_green_float          (const CoglColor *color);
+

+Retrieves the green channel of color as a floating point +value between 0.0 and 1.0 +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the green channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_blue_float ()

+
float               cogl_color_get_blue_float           (const CoglColor *color);
+

+Retrieves the blue channel of color as a floating point +value between 0.0 and 1.0 +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the blue channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_get_alpha_float ()

+
float               cogl_color_get_alpha_float          (const CoglColor *color);
+

+Retrieves the alpha channel of color as a floating point +value between 0.0 and 1.0 +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

Returns :

the alpha channel of the passed color
+

Since 1.0

+
+
+
+

cogl_color_set_red ()

+
void                cogl_color_set_red                  (CoglColor *color,
+                                                         float red);
+

+Sets the red channel of color to red. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

red :

a float value between 0.0f and 1.0f
+

Since 1.4

+
+
+
+

cogl_color_set_green ()

+
void                cogl_color_set_green                (CoglColor *color,
+                                                         float green);
+

+Sets the green channel of color to green. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

green :

a float value between 0.0f and 1.0f
+

Since 1.4

+
+
+
+

cogl_color_set_blue ()

+
void                cogl_color_set_blue                 (CoglColor *color,
+                                                         float blue);
+

+Sets the blue channel of color to blue. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

blue :

a float value between 0.0f and 1.0f
+

Since 1.4

+
+
+
+

cogl_color_set_alpha ()

+
void                cogl_color_set_alpha                (CoglColor *color,
+                                                         float alpha);
+

+Sets the alpha channel of color to alpha. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

alpha :

a float value between 0.0f and 1.0f
+

Since 1.4

+
+
+
+

cogl_color_set_red_byte ()

+
void                cogl_color_set_red_byte             (CoglColor *color,
+                                                         unsigned char red);
+

+Sets the red channel of color to red. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

red :

a byte value between 0 and 255
+

Since 1.4

+
+
+
+

cogl_color_set_green_byte ()

+
void                cogl_color_set_green_byte           (CoglColor *color,
+                                                         unsigned char green);
+

+Sets the green channel of color to green. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

green :

a byte value between 0 and 255
+

Since 1.4

+
+
+
+

cogl_color_set_blue_byte ()

+
void                cogl_color_set_blue_byte            (CoglColor *color,
+                                                         unsigned char blue);
+

+Sets the blue channel of color to blue. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

blue :

a byte value between 0 and 255
+

Since 1.4

+
+
+
+

cogl_color_set_alpha_byte ()

+
void                cogl_color_set_alpha_byte           (CoglColor *color,
+                                                         unsigned char alpha);
+

+Sets the alpha channel of color to alpha. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

alpha :

a byte value between 0 and 255
+

Since 1.4

+
+
+
+

cogl_color_set_red_float ()

+
void                cogl_color_set_red_float            (CoglColor *color,
+                                                         float red);
+

+Sets the red channel of color to red. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

red :

a float value between 0.0f and 1.0f
+

Since 1.4

+
+
+
+

cogl_color_set_green_float ()

+
void                cogl_color_set_green_float          (CoglColor *color,
+                                                         float green);
+

+Sets the green channel of color to green. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

green :

a float value between 0.0f and 1.0f
+

Since 1.4

+
+
+
+

cogl_color_set_blue_float ()

+
void                cogl_color_set_blue_float           (CoglColor *color,
+                                                         float blue);
+

+Sets the blue channel of color to blue. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

blue :

a float value between 0.0f and 1.0f
+

Since 1.4

+
+
+
+

cogl_color_set_alpha_float ()

+
void                cogl_color_set_alpha_float          (CoglColor *color,
+                                                         float alpha);
+

+Sets the alpha channel of color to alpha. +

+
++++ + + + + + + + + + + +

color :

a CoglColor +

alpha :

a float value between 0.0f and 1.0f
+

Since 1.4

+
+
+
+

cogl_color_premultiply ()

+
void                cogl_color_premultiply              (CoglColor *color);
+

+Converts a non-premultiplied color to a pre-multiplied color. For +example, semi-transparent red is (1.0, 0, 0, 0.5) when non-premultiplied +and (0.5, 0, 0, 0.5) when premultiplied. +

+
++++ + + + + +

color :

the color to premultiply
+

Since 1.0

+
+
+
+

cogl_color_unpremultiply ()

+
void                cogl_color_unpremultiply            (CoglColor *color);
+

+Converts a pre-multiplied color to a non-premultiplied color. For +example, semi-transparent red is (0.5, 0, 0, 0.5) when premultiplied +and (1.0, 0, 0, 0.5) when non-premultiplied. +

+
++++ + + + + +

color :

the color to unpremultiply
+

Since 1.4

+
+
+
+

cogl_color_equal ()

+
CoglBool            cogl_color_equal                    (const void *v1,
+                                                         const void *v2);
+

+Compares two CoglColors and checks if they are the same. +

+

+This function can be passed to g_hash_table_new() as the key_equal_func +parameter, when using CoglColors as keys in a GHashTable. +

+
++++ + + + + + + + + + + + + + + +

v1 :

a CoglColor +

v2 :

a CoglColor +

Returns :

 +TRUE if the two colors are the same.
+

Since 1.0

+
+
+
+

cogl_color_init_from_hsl ()

+
void                cogl_color_init_from_hsl            (CoglColor *color,
+                                                         float hue,
+                                                         float saturation,
+                                                         float luminance);
+

+Converts a color expressed in HLS (hue, luminance and saturation) +values into a CoglColor. +

+
++++ + + + + + + + + + + + + + + + + + + +

color :

return location for a CoglColor. [out] +

hue :

hue value, in the 0 .. 360 range

saturation :

saturation value, in the 0 .. 1 range

luminance :

luminance value, in the 0 .. 1 range
+

Since 1.16

+
+
+
+

cogl_color_to_hsl ()

+
void                cogl_color_to_hsl                   (const CoglColor *color,
+                                                         float *hue,
+                                                         float *saturation,
+                                                         float *luminance);
+

+Converts color to the HLS format. +

+

+The hue value is in the 0 .. 360 range. The luminance and +saturation values are in the 0 .. 1 range. +

+
++++ + + + + + + + + + + + + + + + + + + +

color :

a CoglColor +

hue :

return location for the hue value or NULL. [out] +

saturation :

return location for the saturation value or NULL. [out] +

luminance :

return location for the luminance value or NULL. [out] +
+

Since 1.16

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Common-Types.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Common-Types.html new file mode 100644 index 0000000..28a8851 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Common-Types.html @@ -0,0 +1,983 @@ + + + + +Common Types + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Common Types

+

Common Types — Types used throughout the library

+
+
+

Synopsis

+
                    CoglVertexP2;
+                    CoglVertexP3;
+                    CoglVertexP2C4;
+                    CoglVertexP3C4;
+                    CoglVertexP2T2;
+                    CoglVertexP3T2;
+                    CoglVertexP2T2C4;
+                    CoglVertexP3T2C4;
+enum                CoglVerticesMode;
+
+void                (*CoglFuncPtr)                      (void);
+enum                CoglPixelFormat;
+enum                CoglBufferTarget;
+enum                CoglBufferBit;
+enum                CoglAttributeType;
+enum                CoglColorMask;
+
+enum                CoglTextureFlags;
+
+typedef             CoglBool;
+
+
+
+

Description

+

+General types used by various Cogl functions. +

+
+
+

Details

+
+

CoglVertexP2

+
typedef struct {
+   float x, y;
+} CoglVertexP2;
+
+

+A convenience vertex definition that can be used with +cogl_primitive_new_p2(). +

+
++++ + + + + + + + + + + +

float x;

The x component of a position attribute

float y;

The y component of a position attribute
+

Since 1.6

+

Stability Level: Unstable

+
+
+
+

CoglVertexP3

+
typedef struct {
+   float x, y, z;
+} CoglVertexP3;
+
+

+A convenience vertex definition that can be used with +cogl_primitive_new_p3(). +

+
++++ + + + + + + + + + + + + + + +

float x;

The x component of a position attribute

float y;

The y component of a position attribute

float z;

The z component of a position attribute
+

Since 1.6

+

Stability Level: Unstable

+
+
+
+

CoglVertexP2C4

+
typedef struct {
+   float x, y;
+   uint8_t r, g, b, a;
+} CoglVertexP2C4;
+
+

+A convenience vertex definition that can be used with +cogl_primitive_new_p2c4(). +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

float x;

The x component of a position attribute

float y;

The y component of a position attribute

uint8_t r;

The red component of a color attribute

uint8_t g;

The blue component of a color attribute

uint8_t b;

The green component of a color attribute

uint8_t a;

The alpha component of a color attribute
+

Since 1.6

+

Stability Level: Unstable

+
+
+
+

CoglVertexP3C4

+
typedef struct {
+   float x, y, z;
+   uint8_t r, g, b, a;
+} CoglVertexP3C4;
+
+

+A convenience vertex definition that can be used with +cogl_primitive_new_p3c4(). +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

float x;

The x component of a position attribute

float y;

The y component of a position attribute

float z;

The z component of a position attribute

uint8_t r;

The red component of a color attribute

uint8_t g;

The blue component of a color attribute

uint8_t b;

The green component of a color attribute

uint8_t a;

The alpha component of a color attribute
+

Since 1.6

+

Stability Level: Unstable

+
+
+
+

CoglVertexP2T2

+
typedef struct {
+   float x, y;
+   float s, t;
+} CoglVertexP2T2;
+
+

+A convenience vertex definition that can be used with +cogl_primitive_new_p2t2(). +

+
++++ + + + + + + + + + + + + + + + + + + +

float x;

The x component of a position attribute

float y;

The y component of a position attribute

float s;

The s component of a texture coordinate attribute

float t;

The t component of a texture coordinate attribute
+

Since 1.6

+

Stability Level: Unstable

+
+
+
+

CoglVertexP3T2

+
typedef struct {
+   float x, y, z;
+   float s, t;
+} CoglVertexP3T2;
+
+

+A convenience vertex definition that can be used with +cogl_primitive_new_p3t2(). +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

float x;

The x component of a position attribute

float y;

The y component of a position attribute

float z;

The z component of a position attribute

float s;

The s component of a texture coordinate attribute

float t;

The t component of a texture coordinate attribute
+

Since 1.6

+

Stability Level: Unstable

+
+
+
+

CoglVertexP2T2C4

+
typedef struct {
+   float x, y;
+   float s, t;
+   uint8_t r, g, b, a;
+} CoglVertexP2T2C4;
+
+

+A convenience vertex definition that can be used with +cogl_primitive_new_p3t2c4(). +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

float x;

The x component of a position attribute

float y;

The y component of a position attribute

float s;

The s component of a texture coordinate attribute

float t;

The t component of a texture coordinate attribute

uint8_t r;

The red component of a color attribute

uint8_t g;

The blue component of a color attribute

uint8_t b;

The green component of a color attribute

uint8_t a;

The alpha component of a color attribute
+

Since 1.6

+

Stability Level: Unstable

+
+
+
+

CoglVertexP3T2C4

+
typedef struct {
+   float x, y, z;
+   float s, t;
+   uint8_t r, g, b, a;
+} CoglVertexP3T2C4;
+
+

+A convenience vertex definition that can be used with +cogl_primitive_new_p3t2c4(). +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

float x;

The x component of a position attribute

float y;

The y component of a position attribute

float z;

The z component of a position attribute

float s;

The s component of a texture coordinate attribute

float t;

The t component of a texture coordinate attribute

uint8_t r;

The red component of a color attribute

uint8_t g;

The blue component of a color attribute

uint8_t b;

The green component of a color attribute

uint8_t a;

The alpha component of a color attribute
+

Since 1.6

+

Stability Level: Unstable

+
+
+
+

enum CoglVerticesMode

+
typedef enum {
+  COGL_VERTICES_MODE_POINTS = 0x0000,
+  COGL_VERTICES_MODE_LINES = 0x0001,
+  COGL_VERTICES_MODE_LINE_LOOP = 0x0002,
+  COGL_VERTICES_MODE_LINE_STRIP = 0x0003,
+  COGL_VERTICES_MODE_TRIANGLES = 0x0004,
+  COGL_VERTICES_MODE_TRIANGLE_STRIP = 0x0005,
+  COGL_VERTICES_MODE_TRIANGLE_FAN = 0x0006
+} CoglVerticesMode;
+
+

+Different ways of interpreting vertices when drawing. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

COGL_VERTICES_MODE_POINTS

FIXME, equivalent to +GL_POINTS +

COGL_VERTICES_MODE_LINES

FIXME, equivalent to GL_LINES +

COGL_VERTICES_MODE_LINE_LOOP

FIXME, equivalent to +GL_LINE_LOOP +

COGL_VERTICES_MODE_LINE_STRIP

FIXME, equivalent to +GL_LINE_STRIP +

COGL_VERTICES_MODE_TRIANGLES

FIXME, equivalent to +GL_TRIANGLES +

COGL_VERTICES_MODE_TRIANGLE_STRIP

FIXME, equivalent to +GL_TRIANGLE_STRIP +

COGL_VERTICES_MODE_TRIANGLE_FAN

FIXME, equivalent to GL_TRIANGLE_FAN +
+

Since 1.0

+
+
+
+

CoglFuncPtr ()

+
void                (*CoglFuncPtr)                      (void);
+

+The type used by cogl for function pointers, note that this type +is used as a generic catch-all cast for function pointers and the +actual arguments and return type may be different. +

+
+
+
+

enum CoglPixelFormat

+
typedef enum {
+ /*< prefix=COGL_PIXEL_FORMAT >*/
+  COGL_PIXEL_FORMAT_ANY           = 0,
+  COGL_PIXEL_FORMAT_A_8           = 1 | COGL_A_BIT,
+
+  COGL_PIXEL_FORMAT_RGB_565       = 4,
+  COGL_PIXEL_FORMAT_RGBA_4444     = 5 | COGL_A_BIT,
+  COGL_PIXEL_FORMAT_RGBA_5551     = 6 | COGL_A_BIT,
+  COGL_PIXEL_FORMAT_YUV           = 7,
+  COGL_PIXEL_FORMAT_G_8           = 8,
+
+  COGL_PIXEL_FORMAT_RG_88         = 9,
+
+  COGL_PIXEL_FORMAT_RGB_888       = 2,
+  COGL_PIXEL_FORMAT_BGR_888       = (2 | COGL_BGR_BIT),
+
+  COGL_PIXEL_FORMAT_RGBA_8888     = (3 | COGL_A_BIT),
+  COGL_PIXEL_FORMAT_BGRA_8888     = (3 | COGL_A_BIT | COGL_BGR_BIT),
+  COGL_PIXEL_FORMAT_ARGB_8888     = (3 | COGL_A_BIT | COGL_AFIRST_BIT),
+  COGL_PIXEL_FORMAT_ABGR_8888     = (3 | COGL_A_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT),
+
+  COGL_PIXEL_FORMAT_RGBA_1010102  = (13 | COGL_A_BIT),
+  COGL_PIXEL_FORMAT_BGRA_1010102  = (13 | COGL_A_BIT | COGL_BGR_BIT),
+  COGL_PIXEL_FORMAT_ARGB_2101010  = (13 | COGL_A_BIT | COGL_AFIRST_BIT),
+  COGL_PIXEL_FORMAT_ABGR_2101010  = (13 | COGL_A_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT),
+
+  COGL_PIXEL_FORMAT_RGBA_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_BGRA_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT | COGL_BGR_BIT),
+  COGL_PIXEL_FORMAT_ARGB_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT | COGL_AFIRST_BIT),
+  COGL_PIXEL_FORMAT_ABGR_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT),
+  COGL_PIXEL_FORMAT_RGBA_4444_PRE = (COGL_PIXEL_FORMAT_RGBA_4444 | COGL_A_BIT | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_RGBA_5551_PRE = (COGL_PIXEL_FORMAT_RGBA_5551 | COGL_A_BIT | COGL_PREMULT_BIT),
+
+  COGL_PIXEL_FORMAT_RGBA_1010102_PRE = (COGL_PIXEL_FORMAT_RGBA_1010102 | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_BGRA_1010102_PRE = (COGL_PIXEL_FORMAT_BGRA_1010102 | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_ARGB_2101010_PRE = (COGL_PIXEL_FORMAT_ARGB_2101010 | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_ABGR_2101010_PRE = (COGL_PIXEL_FORMAT_ABGR_2101010 | COGL_PREMULT_BIT),
+
+  COGL_PIXEL_FORMAT_DEPTH_16  = (9 | COGL_DEPTH_BIT),
+  COGL_PIXEL_FORMAT_DEPTH_32  = (3 | COGL_DEPTH_BIT),
+
+  COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8 = (3 | COGL_DEPTH_BIT | COGL_STENCIL_BIT)
+} CoglPixelFormat;
+
+

+Pixel formats used by Cogl. For the formats with a byte per +component, the order of the components specify the order in +increasing memory addresses. So for example +COGL_PIXEL_FORMAT_RGB_888 would have the red component in the +lowest address, green in the next address and blue after that +regardless of the endianness of the system. +

+

+For the formats with non byte aligned components the component +order specifies the order within a 16-bit or 32-bit number from +most significant bit to least significant. So for +COGL_PIXEL_FORMAT_RGB_565, the red component would be in bits +11-15, the green component would be in 6-11 and the blue component +would be in 1-5. Therefore the order in memory depends on the +endianness of the system. +

+

+When uploading a texture COGL_PIXEL_FORMAT_ANY can be used as the +internal format. Cogl will try to pick the best format to use +internally and convert the texture data if necessary. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

COGL_PIXEL_FORMAT_ANY

Any format +

COGL_PIXEL_FORMAT_A_8

8 bits alpha mask +

COGL_PIXEL_FORMAT_RGB_565

RGB, 16 bits +

COGL_PIXEL_FORMAT_RGBA_4444

RGBA, 16 bits +

COGL_PIXEL_FORMAT_RGBA_5551

RGBA, 16 bits +

COGL_PIXEL_FORMAT_YUV

Not currently supported +

COGL_PIXEL_FORMAT_G_8

Single luminance component +

COGL_PIXEL_FORMAT_RG_88

RG, 16 bits. Note that red-green textures + are only available if COGL_FEATURE_ID_TEXTURE_RG is advertised. + See cogl_texture_set_components() for details. +

COGL_PIXEL_FORMAT_RGB_888

RGB, 24 bits +

COGL_PIXEL_FORMAT_BGR_888

BGR, 24 bits +

COGL_PIXEL_FORMAT_RGBA_8888

RGBA, 32 bits +

COGL_PIXEL_FORMAT_BGRA_8888

BGRA, 32 bits +

COGL_PIXEL_FORMAT_ARGB_8888

ARGB, 32 bits +

COGL_PIXEL_FORMAT_ABGR_8888

ABGR, 32 bits +

COGL_PIXEL_FORMAT_RGBA_1010102

RGBA, 32 bits, 10 bpc +

COGL_PIXEL_FORMAT_BGRA_1010102

BGRA, 32 bits, 10 bpc +

COGL_PIXEL_FORMAT_ARGB_2101010

ARGB, 32 bits, 10 bpc +

COGL_PIXEL_FORMAT_ABGR_2101010

ABGR, 32 bits, 10 bpc +

COGL_PIXEL_FORMAT_RGBA_8888_PRE

Premultiplied RGBA, 32 bits +

COGL_PIXEL_FORMAT_BGRA_8888_PRE

Premultiplied BGRA, 32 bits +

COGL_PIXEL_FORMAT_ARGB_8888_PRE

Premultiplied ARGB, 32 bits +

COGL_PIXEL_FORMAT_ABGR_8888_PRE

Premultiplied ABGR, 32 bits +

COGL_PIXEL_FORMAT_RGBA_4444_PRE

Premultiplied RGBA, 16 bits +

COGL_PIXEL_FORMAT_RGBA_5551_PRE

Premultiplied RGBA, 16 bits +

COGL_PIXEL_FORMAT_RGBA_1010102_PRE

Premultiplied RGBA, 32 bits, 10 bpc +

COGL_PIXEL_FORMAT_BGRA_1010102_PRE

Premultiplied BGRA, 32 bits, 10 bpc +

COGL_PIXEL_FORMAT_ARGB_2101010_PRE

Premultiplied ARGB, 32 bits, 10 bpc +

COGL_PIXEL_FORMAT_ABGR_2101010_PRE

Premultiplied ABGR, 32 bits, 10 bpc +

COGL_PIXEL_FORMAT_DEPTH_16

COGL_PIXEL_FORMAT_DEPTH_32

COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8

+

Since 0.8

+
+
+
+

enum CoglBufferTarget

+
typedef enum {
+  COGL_WINDOW_BUFFER      = (1 << 1),
+  COGL_OFFSCREEN_BUFFER   = (1 << 2)
+} CoglBufferTarget;
+
+

+Target flags for FBOs. +

+
++++ + + + + + + + + + + +

COGL_WINDOW_BUFFER

FIXME +

COGL_OFFSCREEN_BUFFER

FIXME +
+

Since 0.8

+
+
+
+

enum CoglBufferBit

+
typedef enum {
+  COGL_BUFFER_BIT_COLOR   = 1L<<0,
+  COGL_BUFFER_BIT_DEPTH   = 1L<<1,
+  COGL_BUFFER_BIT_STENCIL = 1L<<2
+} CoglBufferBit;
+
+

+Types of auxiliary buffers +

+
++++ + + + + + + + + + + + + + + +

COGL_BUFFER_BIT_COLOR

Selects the primary color buffer +

COGL_BUFFER_BIT_DEPTH

Selects the depth buffer +

COGL_BUFFER_BIT_STENCIL

Selects the stencil buffer +
+

Since 1.0

+
+
+
+

enum CoglAttributeType

+
typedef enum {
+  COGL_ATTRIBUTE_TYPE_BYTE           = 0x1400,
+  COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE  = 0x1401,
+  COGL_ATTRIBUTE_TYPE_SHORT          = 0x1402,
+  COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT = 0x1403,
+  COGL_ATTRIBUTE_TYPE_FLOAT          = 0x1406
+} CoglAttributeType;
+
+

+Data types for the components of a vertex attribute. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

COGL_ATTRIBUTE_TYPE_BYTE

Data is the same size of a byte +

COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE

Data is the same size of an + unsigned byte +

COGL_ATTRIBUTE_TYPE_SHORT

Data is the same size of a short integer +

COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT

Data is the same size of + an unsigned short integer +

COGL_ATTRIBUTE_TYPE_FLOAT

Data is the same size of a float +
+

Since 1.0

+
+
+
+

enum CoglColorMask

+
typedef enum {
+  COGL_COLOR_MASK_NONE = 0,
+  COGL_COLOR_MASK_RED = 1L<<0,
+  COGL_COLOR_MASK_GREEN = 1L<<1,
+  COGL_COLOR_MASK_BLUE = 1L<<2,
+  COGL_COLOR_MASK_ALPHA = 1L<<3,
+  /* XXX: glib-mkenums is a perl script that can't cope if we split
+   * this onto multiple lines! *sigh* */
+  COGL_COLOR_MASK_ALL = (COGL_COLOR_MASK_RED | COGL_COLOR_MASK_GREEN | COGL_COLOR_MASK_BLUE | COGL_COLOR_MASK_ALPHA)
+} CoglColorMask;
+
+

+Defines a bit mask of color channels. This can be used with +cogl_pipeline_set_color_mask() for example to define which color +channels should be written to the current framebuffer when +drawing something. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

COGL_COLOR_MASK_NONE

None of the color channels are masked +

COGL_COLOR_MASK_RED

Masks the red color channel +

COGL_COLOR_MASK_GREEN

Masks the green color channel +

COGL_COLOR_MASK_BLUE

Masks the blue color channel +

COGL_COLOR_MASK_ALPHA

Masks the alpha color channel +

COGL_COLOR_MASK_ALL

All of the color channels are masked +
+
+
+
+

enum CoglTextureFlags

+
typedef enum {
+  COGL_TEXTURE_NONE           = 0,
+  COGL_TEXTURE_NO_AUTO_MIPMAP = 1 << 0,
+  COGL_TEXTURE_NO_SLICING     = 1 << 1,
+  COGL_TEXTURE_NO_ATLAS       = 1 << 2
+} CoglTextureFlags;
+
+

+Flags to pass to the cogl_texture_new_* family of functions. +

+
++++ + + + + + + + + + + + + + + + + + + +

COGL_TEXTURE_NONE

No flags specified +

COGL_TEXTURE_NO_AUTO_MIPMAP

Disables the automatic generation of + the mipmap pyramid from the base level image whenever it is + updated. The mipmaps are only generated when the texture is + rendered with a mipmap filter so it should be free to leave out + this flag when using other filtering modes +

COGL_TEXTURE_NO_SLICING

Disables the slicing of the texture +

COGL_TEXTURE_NO_ATLAS

Disables the insertion of the texture inside + the texture atlas used by Cogl +
+

Since 1.0

+
+
+
+

CoglBool

+
typedef int CoglBool;
+
+

+A boolean data type used throughout the Cogl C api. This should be +used in conjunction with the TRUE and FALSE macro defines for +setting and testing boolean values. +

+

Since 2.0

+

Stability Level: Stable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Depth-State.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Depth-State.html new file mode 100644 index 0000000..0925ce7 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Depth-State.html @@ -0,0 +1,484 @@ + + + + +Depth State + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Depth State

+

Depth State — Functions for describing the depth testing + state of your GPU.

+
+
+

Synopsis

+
                    CoglDepthState;
+enum                CoglDepthTestFunction;
+void                cogl_depth_state_init               (CoglDepthState *state);
+void                cogl_depth_state_set_test_enabled   (CoglDepthState *state,
+                                                         CoglBool enable);
+CoglBool            cogl_depth_state_get_test_enabled   (CoglDepthState *state);
+void                cogl_depth_state_set_test_function  (CoglDepthState *state,
+                                                         CoglDepthTestFunction function);
+CoglDepthTestFunction cogl_depth_state_get_test_function
+                                                        (CoglDepthState *state);
+void                cogl_depth_state_set_write_enabled  (CoglDepthState *state,
+                                                         CoglBool enable);
+CoglBool            cogl_depth_state_get_write_enabled  (CoglDepthState *state);
+void                cogl_depth_state_set_range          (CoglDepthState *state,
+                                                         float near_val,
+                                                         float far_val);
+void                cogl_depth_state_get_range          (CoglDepthState *state,
+                                                         float *near_val,
+                                                         float *far_val);
+
+
+
+

Description

+
+
+

Details

+
+

CoglDepthState

+
typedef struct {
+} CoglDepthState;
+
+

Since 2.0

+
+
+
+

enum CoglDepthTestFunction

+
typedef enum {
+  COGL_DEPTH_TEST_FUNCTION_NEVER    = 0x0200,
+  COGL_DEPTH_TEST_FUNCTION_LESS     = 0x0201,
+  COGL_DEPTH_TEST_FUNCTION_EQUAL    = 0x0202,
+  COGL_DEPTH_TEST_FUNCTION_LEQUAL   = 0x0203,
+  COGL_DEPTH_TEST_FUNCTION_GREATER  = 0x0204,
+  COGL_DEPTH_TEST_FUNCTION_NOTEQUAL = 0x0205,
+  COGL_DEPTH_TEST_FUNCTION_GEQUAL   = 0x0206,
+  COGL_DEPTH_TEST_FUNCTION_ALWAYS   = 0x0207
+} CoglDepthTestFunction;
+
+

+When using depth testing one of these functions is used to compare +the depth of an incoming fragment against the depth value currently +stored in the depth buffer. The function is changed using +cogl_depth_state_set_test_function(). +

+

+The test is only done when depth testing is explicitly enabled. (See +cogl_depth_state_set_test_enabled()) +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

COGL_DEPTH_TEST_FUNCTION_NEVER

Never passes. +

COGL_DEPTH_TEST_FUNCTION_LESS

Passes if the fragment's depth +value is less than the value currently in the depth buffer. +

COGL_DEPTH_TEST_FUNCTION_EQUAL

Passes if the fragment's depth +value is equal to the value currently in the depth buffer. +

COGL_DEPTH_TEST_FUNCTION_LEQUAL

Passes if the fragment's depth +value is less or equal to the value currently in the depth buffer. +

COGL_DEPTH_TEST_FUNCTION_GREATER

Passes if the fragment's depth +value is greater than the value currently in the depth buffer. +

COGL_DEPTH_TEST_FUNCTION_NOTEQUAL

Passes if the fragment's depth +value is not equal to the value currently in the depth buffer. +

COGL_DEPTH_TEST_FUNCTION_GEQUAL

Passes if the fragment's depth +value greater than or equal to the value currently in the depth buffer. +

COGL_DEPTH_TEST_FUNCTION_ALWAYS

Always passes. +
+
+
+
+

cogl_depth_state_init ()

+
void                cogl_depth_state_init               (CoglDepthState *state);
+

+Initializes the members of state to their default values. +

+

+You should never pass an un initialized CoglDepthState structure +to cogl_pipeline_set_depth_state(). +

+
++++ + + + + +

state :

A CoglDepthState struct
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_depth_state_set_test_enabled ()

+
void                cogl_depth_state_set_test_enabled   (CoglDepthState *state,
+                                                         CoglBool enable);
+

+Enables or disables depth testing according to the value of +enable. +

+

+If depth testing is enable then the CoglDepthTestFunction set +using cogl_depth_state_set_test_function() us used to evaluate +the depth value of incoming fragments against the corresponding +value stored in the current depth buffer, and if the test passes +then the fragments depth value is used to update the depth buffer. +(unless you have disabled depth writing via +cogl_depth_state_set_write_enabled()) +

+

+By default depth testing is disabled. +

+

+NB: this won't directly affect the state of the GPU. You have +to then set the state on a CoglPipeline using +cogl_pipeline_set_depth_state() +

+
++++ + + + + + + + + + + +

state :

A CoglDepthState struct

enable :

The enable state you want
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_depth_state_get_test_enabled ()

+
CoglBool            cogl_depth_state_get_test_enabled   (CoglDepthState *state);
+

+Gets the current depth test enabled state as previously set by +cogl_depth_state_set_test_enabled(). +

+
++++ + + + + + + + + + + +

state :

A CoglDepthState struct

Returns :

The pipeline's current depth test enabled state.
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_depth_state_set_test_function ()

+
void                cogl_depth_state_set_test_function  (CoglDepthState *state,
+                                                         CoglDepthTestFunction function);
+

+Sets the CoglDepthTestFunction used to compare the depth value of +an incoming fragment against the corresponding value in the current +depth buffer. +

+

+By default the depth test function is COGL_DEPTH_TEST_FUNCTION_LESS +

+

+NB: this won't directly affect the state of the GPU. You have +to then set the state on a CoglPipeline using +cogl_pipeline_set_depth_state() +

+
++++ + + + + + + + + + + +

state :

A CoglDepthState struct

function :

The CoglDepthTestFunction to set
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_depth_state_get_test_function ()

+
CoglDepthTestFunction cogl_depth_state_get_test_function
+                                                        (CoglDepthState *state);
+

+Gets the current depth test enable state as previously set via +cogl_depth_state_set_test_enabled(). +

+
++++ + + + + + + + + + + +

state :

A CoglDepthState struct

Returns :

The current depth test enable state.
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_depth_state_set_write_enabled ()

+
void                cogl_depth_state_set_write_enabled  (CoglDepthState *state,
+                                                         CoglBool enable);
+

+Enables or disables depth buffer writing according to the value of +enable. Normally when depth testing is enabled and the comparison +between a fragment's depth value and the corresponding depth buffer +value passes then the fragment's depth is written to the depth +buffer unless writing is disabled here. +

+

+By default depth writing is enabled +

+

+NB: this won't directly affect the state of the GPU. You have +to then set the state on a CoglPipeline using +cogl_pipeline_set_depth_state() +

+
++++ + + + + + + + + + + +

state :

A CoglDepthState struct

enable :

The enable state you want
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_depth_state_get_write_enabled ()

+
CoglBool            cogl_depth_state_get_write_enabled  (CoglDepthState *state);
+

+Gets the depth writing enable state as set by the corresponding +cogl_depth_state_set_write_enabled(). +

+
++++ + + + + + + + + + + +

state :

A CoglDepthState struct

Returns :

The current depth writing enable state
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_depth_state_set_range ()

+
void                cogl_depth_state_set_range          (CoglDepthState *state,
+                                                         float near_val,
+                                                         float far_val);
+

+Sets the range to map depth values in normalized device coordinates +to before writing out to a depth buffer. +

+

+After your geometry has be transformed, clipped and had perspective +division applied placing it in normalized device +coordinates all depth values between the near and far z clipping +planes are in the range -1 to 1. Before writing any depth value to +the depth buffer though the value is mapped into the range [0, 1]. +

+

+With this function you can change the range which depth values are +mapped too although the range must still lye within the range [0, +1]. +

+

+If your driver does not support this feature (for example you are +using GLES 1 drivers) then if you don't use the default range +values you will get an error reported when calling +cogl_pipeline_set_depth_state(). You can check ahead of time for +the COGL_FEATURE_ID_DEPTH_RANGE feature with +cogl_has_feature() to know if this function will succeed. +

+

+By default normalized device coordinate depth values are mapped to +the full range of depth buffer values, [0, 1]. +

+

+NB: this won't directly affect the state of the GPU. You have +to then set the state on a CoglPipeline using +cogl_pipeline_set_depth_state(). +

+
++++ + + + + + + + + + + + + + + +

state :

A CoglDepthState object

near_val :

The near component of the desired depth range which will be +clamped to the range [0, 1]

far_val :

The far component of the desired depth range which will be +clamped to the range [0, 1]
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_depth_state_get_range ()

+
void                cogl_depth_state_get_range          (CoglDepthState *state,
+                                                         float *near_val,
+                                                         float *far_val);
+

+Gets the current range to which normalized depth values are mapped +before writing to the depth buffer. This corresponds to the range +set with cogl_depth_state_set_range(). +

+
++++ + + + + + + + + + + + + + + +

state :

A CoglDepthState object

near_val :

A pointer to store the near component of the depth range

far_val :

A pointer to store the far component of the depth range
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Eulers-(Rotations).html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Eulers-(Rotations).html new file mode 100644 index 0000000..10341b6 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Eulers-(Rotations).html @@ -0,0 +1,388 @@ + + + + +Eulers (Rotations) + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Eulers (Rotations)

+

Eulers (Rotations) — Functions for initializing and manipulating +euler angles.

+
+
+

Synopsis

+
                    CoglEuler;
+void                cogl_euler_init                     (CoglEuler *euler,
+                                                         float heading,
+                                                         float pitch,
+                                                         float roll);
+void                cogl_euler_init_from_matrix         (CoglEuler *euler,
+                                                         const CoglMatrix *matrix);
+void                cogl_euler_init_from_quaternion     (CoglEuler *euler,
+                                                         const CoglQuaternion *quaternion);
+CoglBool            cogl_euler_equal                    (const void *v1,
+                                                         const void *v2);
+CoglEuler *         cogl_euler_copy                     (const CoglEuler *src);
+void                cogl_euler_free                     (CoglEuler *euler);
+
+
+
+

Description

+

+Euler angles are a simple representation of a 3 dimensional +rotation; comprised of 3 ordered heading, pitch and roll rotations. +An important thing to understand is that the axis of rotation +belong to the object being rotated and so they also rotate as each +of the heading, pitch and roll rotations are applied. +

+

+One way to consider euler angles is to imagine controlling an +aeroplane, where you first choose a heading (Such as flying south +east), then you set the pitch (such as 30 degrees to take off) and +then you might set a roll, by dipping the left, wing as you prepare +to turn. +

+

+They have some advantages and limitations that it helps to be +aware of: +

+

+Advantages: +

+
    +
  • +Easy to understand and use, compared to quaternions and matrices, +so may be a good choice for a user interface. +
    • +
  • +Efficient storage, needing only 3 components any rotation can be +represented. +
    +

    Note

    Actually the CoglEuler type isn't optimized for size because +we may cache the equivalent CoglQuaternion along with a euler +rotation, but it would be trivial for an application to track the +components of euler rotations in a packed float array if optimizing +for size was important. The values could be passed to Cogl only when +manipulation is necessary.
    +
    • +
+

+

+

+Disadvantages: +

+
    +
  • +Aliasing: it's possible to represent some rotations with multiple +different heading, pitch and roll rotations. +
    • +
  • +They can suffer from a problem called Gimbal Lock. A good +explanation of this can be seen on wikipedia here: +http://en.wikipedia.org/wiki/Gimbal_lock but basically two +of the axis of rotation may become aligned and so you loose a +degree of freedom. For example a pitch of +-90° would mean that +heading and bank rotate around the same axis. +
    • +
  • +If you use euler angles to orient something in 3D space and try to +transition between orientations by interpolating the component +angles you probably wont get the transitions you expect as they may +not follow the shortest path between the two orientations. +
    • +
  • +There's no standard to what order the component axis rotations are +applied. The most common convention seems to be what we do in Cogl +with heading (y-axis), pitch (x-axis) and then roll (z-axis), but +other software might apply x-axis, y-axis then z-axis or any other +order so you need to consider this if you are accepting euler +rotations from some other software. Other software may also use +slightly different aeronautical terms, such as "yaw" instead of +"heading" or "bank" instead of "roll". +
    • +
+

+

+

+To minimize the aliasing issue we may refer to "Canonical Euler" +angles where heading and roll are restricted to +- 180° and pitch is +restricted to +- 90°. If pitch is +- 90° bank is set to 0°. +

+

+Quaternions don't suffer from Gimbal Lock and they can be nicely +interpolated between, their disadvantage is that they don't have an +intuitive representation. +

+

+A common practice is to accept angles in the intuitive Euler form +and convert them to quaternions internally to avoid Gimbal Lock and +handle interpolations. See cogl_quaternion_init_from_euler(). +

+
+
+

Details

+
+

CoglEuler

+
typedef struct {
+  float heading;
+  float pitch;
+  float roll;
+} CoglEuler;
+
+

+Represents an ordered rotation first of heading degrees around an +object's y axis, then pitch degrees around an object's x axis and +finally roll degrees around an object's z axis. +

+

+

+
+

Note

It's important to understand the that axis are associated +with the object being rotated, so the axis also rotate in sequence +with the rotations being applied.
+

+

+

+The members of a CoglEuler can be initialized, for example, with +cogl_euler_init() and cogl_euler_init_from_quaternion(). +

+

+You may also want to look at cogl_quaternion_init_from_euler() if +you want to do interpolation between 3d rotations. +

+
++++ + + + + + + + + + + + + + + +

float heading;

Angle to rotate around an object's y axis

float pitch;

Angle to rotate around an object's x axis

float roll;

Angle to rotate around an object's z axis
+

Since 2.0

+
+
+
+

cogl_euler_init ()

+
void                cogl_euler_init                     (CoglEuler *euler,
+                                                         float heading,
+                                                         float pitch,
+                                                         float roll);
+

+Initializes euler to represent a rotation of x_angle degrees +around the x axis, then y_angle degrees around the y_axis and +z_angle degrees around the z axis. +

+
++++ + + + + + + + + + + + + + + + + + + +

euler :

The CoglEuler angle to initialize

heading :

Angle to rotate around an object's y axis

pitch :

Angle to rotate around an object's x axis

roll :

Angle to rotate around an object's z axis
+

Since 2.0

+
+
+
+

cogl_euler_init_from_matrix ()

+
void                cogl_euler_init_from_matrix         (CoglEuler *euler,
+                                                         const CoglMatrix *matrix);
+

+Extracts a euler rotation from the given matrix and +initializses euler with the component x, y and z rotation angles. +

+
++++ + + + + + + + + + + +

euler :

The CoglEuler angle to initialize

matrix :

A CoglMatrix containing a rotation, but no scaling, +mirroring or skewing.
+
+
+
+

cogl_euler_init_from_quaternion ()

+
void                cogl_euler_init_from_quaternion     (CoglEuler *euler,
+                                                         const CoglQuaternion *quaternion);
+

+Initializes a euler rotation with the equivalent rotation +represented by the given quaternion. +

+
++++ + + + + + + + + + + +

euler :

The CoglEuler angle to initialize

quaternion :

A CoglEuler with the rotation to initialize with
+
+
+
+

cogl_euler_equal ()

+
CoglBool            cogl_euler_equal                    (const void *v1,
+                                                         const void *v2);
+

+Compares the two given euler angles v1 and v1 and it they are +equal returns TRUE else FALSE. +

+

+

+
+

Note

This function only checks that all three components rotations +are numerically equal, it does not consider that some rotations +can be represented with different component rotations
+

+

+
++++ + + + + + + + + + + + + + + +

v1 :

The first euler angle to compare

v2 :

The second euler angle to compare

Returns :

 +TRUE if v1 and v2 are equal else FALSE.
+

Since 2.0

+
+
+
+

cogl_euler_copy ()

+
CoglEuler *         cogl_euler_copy                     (const CoglEuler *src);
+

+Allocates a new CoglEuler and initilizes it with the component +angles of src. The newly allocated euler should be freed using +cogl_euler_free(). +

+
++++ + + + + + + + + + + +

src :

A CoglEuler to copy

Returns :

A newly allocated CoglEuler +
+

Since 2.0

+
+
+
+

cogl_euler_free ()

+
void                cogl_euler_free                     (CoglEuler *euler);
+

+Frees a CoglEuler that was previously allocated using +cogl_euler_copy(). +

+
++++ + + + + +

euler :

A CoglEuler allocated via cogl_euler_copy() +
+

Since 2.0

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Exception-handling.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Exception-handling.html new file mode 100644 index 0000000..2b321aa --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Exception-handling.html @@ -0,0 +1,462 @@ + + + + +Exception handling + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Exception handling

+

Exception handling — A way for Cogl to throw exceptions

+
+
+

Synopsis

+
#define             CoglError
+CoglBool            cogl_error_matches                  (CoglError *error,
+                                                         uint32_t domain,
+                                                         int code);
+void                cogl_error_free                     (CoglError *error);
+CoglError *         cogl_error_copy                     (CoglError *error);
+#define             COGL_GLIB_ERROR                     (COGL_ERROR)
+
+
+
+

Description

+

+As a general rule Cogl shields non-recoverable errors from +developers, such as most heap allocation failures (unless for +exceptionally large resources which we might reasonably expect to +fail) and this reduces the burden on developers. +

+

+There are some Cogl apis though that can fail for exceptional +reasons that can also potentially be recovered from at runtime +and for these apis we use a standard convention for reporting +runtime recoverable errors. +

+

+As an example if we look at the cogl_context_new() api which +takes an error argument: +

+
+ + + + + + + + 
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+
+
+
+
+
+
+
+
+
+
+
+
+CoglContext *
+  cogl_context_new (CoglDisplay *display, CoglError **error);
+
+ +

+

+

+A caller interested in catching any runtime error when creating a +new CoglContext would pass the address of a CoglError pointer +that has first been initialized to NULL as follows: +

+

+

+
+ + + + + + + + 
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+
+
+
+
+
+
+
+
+
+
+
+
+CoglError *error = NULL;
+  CoglContext *context;
+
+  context = cogl_context_new (NULL, &error);
+
+ +

+

+

+The return status should usually be enough to determine if there +was an error set (in this example we can check if context == NULL) +but if it's not possible to tell from the function's return status +you can instead look directly at the error pointer which you +initialized to NULL. In this example we now check the error, +report any error to the user, free the error and then simply +abort without attempting to recover. +

+

+

+
+ + + + + + + + 
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+
+
+
+
+
+
+
+
+
+
+
+
+if (context == NULL)
+    {
+      fprintf (stderr, "Failed to create a Cogl context: %s\n",
+               error->message);
+      cogl_error_free (error);
+      abort ();
+    }
+
+ +

+

+

+All Cogl APIs that accept an error argument can also be passed a +NULL pointer. In this case if an exceptional error condition is hit +then Cogl will simply log the error message and abort the +application. This can be compared to language execeptions where the +developer has not attempted to catch the exception. This means the +above example is essentially redundant because it's what Cogl would +have done automatically and so, similarly, if your application has +no way to recover from a particular error you might just as well +pass a NULL CoglError pointer to save a bit of typing. +

+

+

+
+

Note

If you are used to using the GLib API you will probably +recognize that CoglError is just like a GError. In fact if Cogl +has been built with --enable-glib then it is safe to cast a +CoglError to a GError.
+

+

+

+

+
+

Note

An important detail to be aware of if you are used to using +GLib's GError API is that Cogl deviates from the GLib GError +conventions in one noteable way which is that a NULL error pointer +does not mean you want to ignore the details of an error, it means +you are not trying to catch any exceptional errors the function might +throw which will result in the program aborting with a log message +if an error is thrown.
+

+

+
+
+

Details

+
+

CoglError

+
#define CoglError GError
+
+
++++ + + + + + + + + + + + + + + +

domain :

A high-level domain identifier for the error

code :

A specific error code within a specified domain

message :

A human readable error message
+
+
+
+

cogl_error_matches ()

+
CoglBool            cogl_error_matches                  (CoglError *error,
+                                                         uint32_t domain,
+                                                         int code);
+

+Returns TRUE if error matches domain and code, FALSE otherwise. +In particular, when error is NULL, FALSE will be returned. +

+
++++ + + + + + + + + + + + + + + + + + + +

error :

A CoglError thrown by the Cogl api or NULL +

domain :

The error domain

code :

The error code

Returns :

whether the error corresponds to the given domain +and code.
+
+
+
+

cogl_error_free ()

+
void                cogl_error_free                     (CoglError *error);
+

+Frees a CoglError and associated resources. +

+
++++ + + + + +

error :

A CoglError thrown by the Cogl api
+
+
+
+

cogl_error_copy ()

+
CoglError *         cogl_error_copy                     (CoglError *error);
+

+Makes a copy of error which can later be freed using +cogl_error_free(). +

+
++++ + + + + + + + + + + +

error :

A CoglError thrown by the Cogl api

Returns :

A newly allocated CoglError initialized to match the +contents of error.
+
+
+
+

COGL_GLIB_ERROR()

+
#define COGL_GLIB_ERROR(COGL_ERROR) ((CoglError *)COGL_ERROR)
+
+

+Simply casts a CoglError to a CoglError +

+

+If Cogl is built with GLib support then it can safely be assumed +that a CoglError is a GError and can be used directly with the +GError api. +

+
++++ + + + + +

COGL_ERROR :

A CoglError thrown by the Cogl api or NULL +
+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-GLES-2.0-context.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-GLES-2.0-context.html new file mode 100644 index 0000000..bce371c --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-GLES-2.0-context.html @@ -0,0 +1,567 @@ + + + + +GLES 2.0 context + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

GLES 2.0 context

+

GLES 2.0 context — A portable api to access OpenGLES 2.0

+
+
+

Synopsis

+
                    CoglGLES2Context;
+struct              CoglGLES2Vtable;
+#define             COGL_GLES2_CONTEXT_ERROR
+enum                CoglGLES2ContextError;
+CoglGLES2Context *  cogl_gles2_context_new              (CoglContext *ctx,
+                                                         CoglError **error);
+CoglBool            cogl_is_gles2_context               (void *object);
+
+const CoglGLES2Vtable * cogl_gles2_context_get_vtable   (CoglGLES2Context *gles2_ctx);
+CoglBool            cogl_push_gles2_context             (CoglContext *ctx,
+                                                         CoglGLES2Context *gles2_ctx,
+                                                         CoglFramebuffer *read_buffer,
+                                                         CoglFramebuffer *write_buffer,
+                                                         CoglError **error);
+void                cogl_pop_gles2_context              (CoglContext *ctx);
+CoglGLES2Vtable *   cogl_gles2_get_current_vtable       (void);
+
+CoglTexture2D *     cogl_gles2_texture_2d_new_from_handle
+                                                        (CoglContext *ctx,
+                                                         CoglGLES2Context *gles2_ctx,
+                                                         unsigned int handle,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format);
+CoglBool            cogl_gles2_texture_get_handle       (CoglTexture *texture,
+                                                         unsigned int *handle,
+                                                         unsigned int *target);
+
+
+
+

Description

+

+Cogl provides portable access to the OpenGLES api through a single +library that is able to smooth over inconsistencies between the +different vendor drivers for OpenGLES in a single place. +

+

+The api is designed to allow Cogl to transparently implement the +api on top of other drivers, such as OpenGL, D3D or on Cogl's own +drawing api so even if your platform doesn't come with an +OpenGLES 2.0 api Cogl may still be able to expose the api to your +application. +

+

+Since Cogl is a library and not an api specification it is possible +to add OpenGLES 2.0 api features to Cogl which can immidiately +benefit developers regardless of what platform they are running on. +

+

+With this api it's possible to re-use existing OpenGLES 2.0 code +within applications that are rendering with the Cogl API and also +it's possible for applications that render using OpenGLES 2.0 to +incorporate content rendered with Cogl. +

+

+Applications can check for OpenGLES 2.0 api support by checking for +COGL_FEATURE_ID_GLES2_CONTEXT support with cogl_has_feature(). +

+
+
+

Details

+
+

CoglGLES2Context

+
typedef struct _CoglGLES2Context CoglGLES2Context;
+

+Represents an OpenGLES 2.0 api context used as a sandbox for +OpenGLES 2.0 state. This is comparable to an EGLContext for those +who have used OpenGLES 2.0 with EGL before. +

+

Since 1.12

+

Stability Level: Unstable

+
+
+
+

struct CoglGLES2Vtable

+
struct CoglGLES2Vtable {
+};
+
+

+Provides function pointers for the full OpenGLES 2.0 api. The +api must be accessed this way and not by directly calling +symbols of any system OpenGLES 2.0 api. +

+

Since 1.12

+

Stability Level: Unstable

+
+
+
+

COGL_GLES2_CONTEXT_ERROR

+
#define COGL_GLES2_CONTEXT_ERROR (_cogl_gles2_context_error_quark ())
+
+

+An error domain for runtime exceptions relating to the +cogl_gles2_context api. +

+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

enum CoglGLES2ContextError

+
typedef enum {
+ /*< prefix=COGL_GLES2_CONTEXT_ERROR >*/
+  COGL_GLES2_CONTEXT_ERROR_UNSUPPORTED,
+  COGL_GLES2_CONTEXT_ERROR_DRIVER
+} CoglGLES2ContextError;
+
+

+Error codes that relate to the cogl_gles2_context api. +

+
++++ + + + + + + + + + + +

COGL_GLES2_CONTEXT_ERROR_UNSUPPORTED

Creating GLES2 contexts + isn't supported. Applications should use cogl_has_feature() to + check for the COGL_FEATURE_ID_GLES2_CONTEXT. +

COGL_GLES2_CONTEXT_ERROR_DRIVER

An underlying driver error + occured. +
+
+
+
+

cogl_gles2_context_new ()

+
CoglGLES2Context *  cogl_gles2_context_new              (CoglContext *ctx,
+                                                         CoglError **error);
+

+Allocates a new OpenGLES 2.0 context that can be used to render to +CoglOffscreen framebuffers (Rendering to CoglOnscreen +framebuffers is not currently supported). +

+

+To actually access the OpenGLES 2.0 api itself you need to use +cogl_gles2_context_get_vtable(). You should not try to directly link +to and use the symbols provided by the a system OpenGLES 2.0 +driver. +

+

+Once you have allocated an OpenGLES 2.0 context you can make it +current using cogl_push_gles2_context(). For those familiar with +using the EGL api, this serves a similar purpose to eglMakeCurrent. +

+

+

+
+

Note

Before using this api applications can check for OpenGLES 2.0 +api support by checking for COGL_FEATURE_ID_GLES2_CONTEXT support +with cogl_has_feature(). This function will return FALSE and +return an COGL_GLES2_CONTEXT_ERROR_UNSUPPORTED error if the +feature isn't available.
+

+

+
++++ + + + + + + + + + + + + + + +

ctx :

A CoglContext +

error :

A pointer to a CoglError for returning exceptions

Returns :

A newly allocated CoglGLES2Context or NULL if there +was an error and error will be updated in that case.
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_is_gles2_context ()

+
CoglBool            cogl_is_gles2_context               (void *object);
+

+Gets whether the given object references a CoglGLES2Context. +

+
++++ + + + + + + + + + + +

object :

A CoglObject pointer

Returns :

 +TRUE if the object references a CoglGLES2Context +and FALSE otherwise.
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_gles2_context_get_vtable ()

+
const CoglGLES2Vtable * cogl_gles2_context_get_vtable   (CoglGLES2Context *gles2_ctx);
+

+Queries the OpenGLES 2.0 api function pointers that should be +used for rendering with the given gles2_ctx. +

+

+

+
+

Note

You should not try to directly link to and use the symbols +provided by any system OpenGLES 2.0 driver.
+

+

+
++++ + + + + + + + + + + +

gles2_ctx :

A CoglGLES2Context allocated with +cogl_gles2_context_new() +

Returns :

A pointer to a CoglGLES2Vtable providing pointers +to functions for the full OpenGLES 2.0 api.
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_push_gles2_context ()

+
CoglBool            cogl_push_gles2_context             (CoglContext *ctx,
+                                                         CoglGLES2Context *gles2_ctx,
+                                                         CoglFramebuffer *read_buffer,
+                                                         CoglFramebuffer *write_buffer,
+                                                         CoglError **error);
+

+Pushes the given gles2_ctx onto a stack associated with ctx so +that the OpenGLES 2.0 api can be used instead of the Cogl +rendering apis to read and write to the specified framebuffers. +

+

+Usage of the api available through a CoglGLES2Vtable is only +allowed between cogl_push_gles2_context() and +cogl_pop_gles2_context() calls. +

+

+If there is a runtime problem with switching over to the given +gles2_ctx then this function will return FALSE and return +an error through error. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

ctx :

A CoglContext +

gles2_ctx :

A CoglGLES2Context allocated with +cogl_gles2_context_new() +

read_buffer :

A CoglFramebuffer to access to read operations +such as glReadPixels. (must be a CoglOffscreen +framebuffer currently)

write_buffer :

A CoglFramebuffer to access for drawing operations +such as glDrawArrays. (must be a CoglOffscreen +framebuffer currently)

error :

A pointer to a CoglError for returning exceptions

Returns :

 +TRUE if operation was successfull or FALSE +otherwise and error will be updated.
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_pop_gles2_context ()

+
void                cogl_pop_gles2_context              (CoglContext *ctx);
+

+Restores the previously active CoglGLES2Context if there +were nested calls to cogl_push_gles2_context() or otherwise +restores the ability to render with the Cogl api instead +of OpenGLES 2.0. +

+

+The behaviour is undefined if calls to cogl_pop_gles2_context() +are not balenced with the number of corresponding calls to +cogl_push_gles2_context(). +

+
++++ + + + + +

ctx :

A CoglContext +
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_gles2_get_current_vtable ()

+
CoglGLES2Vtable *   cogl_gles2_get_current_vtable       (void);
+

+Returns the OpenGL ES 2.0 api vtable for the currently pushed +CoglGLES2Context (last pushed with cogl_push_gles2_context()) or +NULL if no CoglGLES2Context has been pushed. +

+
++++ + + + + +

Returns :

The CoglGLES2Vtable for the currently pushed +CoglGLES2Context or NULL if none has been pushed.
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_gles2_texture_2d_new_from_handle ()

+
CoglTexture2D *     cogl_gles2_texture_2d_new_from_handle
+                                                        (CoglContext *ctx,
+                                                         CoglGLES2Context *gles2_ctx,
+                                                         unsigned int handle,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format);
+

+Creates a CoglTexture2D from an OpenGL ES 2.0 texture handle that +was created within the given gles2_ctx via glGenTextures(). The +texture needs to have been associated with the GL_TEXTURE_2D target. +

+

+

+
+

Note

This interface is only intended for sharing textures to read +from. The behaviour is undefined if the texture is modified using +the Cogl api.
+

+

+

+

+
+

Note

Applications should only pass this function handles that were +created via a CoglGLES2Vtable or via libcogl-gles2 and not pass +handles created directly using the system's native libGLESv2 +api.
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

ctx :

A CoglContext +

gles2_ctx :

A CoglGLES2Context allocated with +cogl_gles2_context_new() +

handle :

An OpenGL ES 2.0 texture handle created with +glGenTextures() +

width :

Width of the texture to allocate

height :

Height of the texture to allocate

format :

The format of the texture
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_gles2_texture_get_handle ()

+
CoglBool            cogl_gles2_texture_get_handle       (CoglTexture *texture,
+                                                         unsigned int *handle,
+                                                         unsigned int *target);
+

+Gets an OpenGL ES 2.0 texture handle for a CoglTexture that can +then be referenced by a CoglGLES2Context. As well as returning +a texture handle the texture's target (such as GL_TEXTURE_2D) is +also returned. +

+

+If the CoglTexture can not be shared with a CoglGLES2Context then +this function will return FALSE. +

+

+This api does not affect the lifetime of the CoglTexture and you +must take care not to reference the returned handle after the +original texture has been freed. +

+

+

+
+

Note

This interface is only intended for sharing textures to read +from. The behaviour is undefined if the texture is modified by a +GLES2 context.
+

+

+

+

+
+

Note

This function will only return TRUE for low-level +CoglTextures such as CoglTexture2D or CoglTexture3D but +not for high level meta textures such as +CoglTexture2DSliced +
+

+

+

+

+
+

Note

The handle returned should not be passed directly to a system +OpenGL ES 2.0 library, the handle is only intended to be used via +a CoglGLES2Vtable or via libcogl-gles2.
+

+

+
++++ + + + + + + + + + + + + + + + + + + +

texture :

A CoglTexture +

handle :

A return location for an OpenGL ES 2.0 texture handle

target :

A return location for an OpenGL ES 2.0 texture target

Returns :

 +TRUE if a handle and target could be returned +otherwise FALSE is returned.
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-GPU-synchronisation-fences.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-GPU-synchronisation-fences.html new file mode 100644 index 0000000..f7eb542 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-GPU-synchronisation-fences.html @@ -0,0 +1,203 @@ + + + + +GPU synchronisation fences + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

GPU synchronisation fences

+

GPU synchronisation fences — Functions for notification of command completion

+
+
+

Synopsis

+
                    CoglFence;
+void                (*CoglFenceCallback)                (CoglFence *fence,
+                                                         void *user_data);
+                    CoglFenceClosure;
+void *              cogl_fence_closure_get_user_data    (CoglFenceClosure *closure);
+CoglFenceClosure *  cogl_framebuffer_add_fence_callback (CoglFramebuffer *framebuffer,
+                                                         CoglFenceCallback callback,
+                                                         void *user_data);
+void                cogl_framebuffer_cancel_fence_callback
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglFenceClosure *closure);
+
+
+
+

Description

+

+Cogl allows notification of GPU command completion; users may mark +points in the GPU command stream and receive notification when the GPU +has executed to that point. +

+
+
+

Details

+
+

CoglFence

+
typedef struct _CoglFence CoglFence;
+

+An opaque object representing a fence. This type is currently +unused but in the future may be used to pass extra information +about the fence completion. +

+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

CoglFenceCallback ()

+
void                (*CoglFenceCallback)                (CoglFence *fence,
+                                                         void *user_data);
+

+The callback prototype used with +cogl_framebuffer_add_fence_callback() for notification of GPU +command completion. +

+
++++ + + + + + + + + + + +

fence :

Unused. In the future this parameter may be used to pass +extra information about the fence completion but for now it +should be ignored.

user_data :

The private data passed to cogl_framebuffer_add_fence_callback() +
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

CoglFenceClosure

+
typedef struct _CoglFenceClosure CoglFenceClosure;
+

+An opaque type representing one future callback to be made when the +GPU command stream has passed a certain point. +

+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_fence_closure_get_user_data ()

+
void *              cogl_fence_closure_get_user_data    (CoglFenceClosure *closure);
+
+
+
+

cogl_framebuffer_add_fence_callback ()

+
CoglFenceClosure *  cogl_framebuffer_add_fence_callback (CoglFramebuffer *framebuffer,
+                                                         CoglFenceCallback callback,
+                                                         void *user_data);
+

+Calls the provided callback when all previously-submitted commands have +been executed by the GPU. +

+
++++ + + + + + + + + + + + + + + + + + + +

framebuffer :

The CoglFramebuffer the commands have been submitted to

callback :

A CoglFenceCallback to be called when +all commands submitted to Cogl have been executed. [scope notified] +

user_data :

Private data that will be passed to the callback. [closure] +

Returns :

non-NULL if the fence succeeded, or NULL if it was unable to +be inserted and the callback will never be called. The user does not +need to free the closure; it will be freed automatically when the +callback is called, or cancelled.
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_framebuffer_cancel_fence_callback ()

+
void                cogl_framebuffer_cancel_fence_callback
+                                                        (CoglFramebuffer *framebuffer,
+                                                         CoglFenceClosure *closure);
+

+Removes a fence previously submitted with +cogl_framebuffer_add_fence_callback(); the callback will not be +called. +

+
++++ + + + + + + + + + + +

framebuffer :

The CoglFramebuffer the commands were submitted to

closure :

The CoglFenceClosure returned from +cogl_framebuffer_add_fence_callback() +
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-GType-Integration-API.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-GType-Integration-API.html new file mode 100644 index 0000000..c927f90 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-GType-Integration-API.html @@ -0,0 +1,74 @@ + + + + +GType Integration API + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

GType Integration API

+

GType Integration API

+
+
+

Synopsis

+
GType               cogl_gtype_matrix_get_type          (void);
+
+
+
+

Description

+
+
+

Details

+
+

cogl_gtype_matrix_get_type ()

+
GType               cogl_gtype_matrix_get_type          (void);
+
+

Warning

+

cogl_gtype_matrix_get_type has been deprecated since version 1.18 and should not be used in newly-written code. Use cogl_matrix_get_gtype() instead.

+
+
++++ + + + + +

Returns :

the GType for the registered "CoglMatrix" boxed type. This +can be used for example to define GObject properties that accept a +CoglMatrix value.
+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-High-Level-Meta-Textures.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-High-Level-Meta-Textures.html new file mode 100644 index 0000000..162c17a --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-High-Level-Meta-Textures.html @@ -0,0 +1,278 @@ + + + + +High Level Meta Textures + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

High Level Meta Textures

+

High Level Meta Textures — Interface for high-level textures built from + low-level textures like CoglTexture2D and + CoglTexture3D.

+
+
+

Synopsis

+
typedef             CoglMetaTexture;
+void                (*CoglMetaTextureCallback)          (CoglTexture *sub_texture,
+                                                         const float *sub_texture_coords,
+                                                         const float *meta_coords,
+                                                         void *user_data);
+void                cogl_meta_texture_foreach_in_region (CoglMetaTexture *meta_texture,
+                                                         float tx_1,
+                                                         float ty_1,
+                                                         float tx_2,
+                                                         float ty_2,
+                                                         CoglPipelineWrapMode wrap_s,
+                                                         CoglPipelineWrapMode wrap_t,
+                                                         CoglMetaTextureCallback callback,
+                                                         void *user_data);
+
+
+
+

Description

+

+Cogl helps to make it easy to deal with high level textures such +as CoglAtlasTextures, CoglSubTextures, +CoglTexturePixmapX11 textures and CoglTexture2DSliced textures +consistently. +

+

+A CoglMetaTexture is a texture that might internally be +represented by one or more low-level CoglTextures +such as CoglTexture2D or CoglTexture3D. These low-level textures +are the only ones that a GPU really understands but because +applications often want more high-level texture abstractions +(such as storing multiple textures inside one larger "atlas" +texture) it's desirable to be able to deal with these +using a common interface. +

+

+For example the GPU is not able to automatically handle repeating a +texture that is part of a larger atlas texture but if you use +COGL_PIPELINE_WRAP_MODE_REPEAT with an atlas texture when drawing +with cogl_rectangle() you should see that it "Just Works™" - at +least if you don't use multi-texturing. The reason this works is +because cogl_rectangle() internally understands the CoglMetaTexture +interface and is able to manually resolve the low-level textures +using this interface and by making multiple draw calls it can +emulate the texture repeat modes. +

+

+Cogl doesn't aim to pretend that meta-textures are just like real +textures because it would get extremely complex to try and emulate +low-level GPU semantics transparently for these textures. The low +level drawing APIs of Cogl, such as cogl_primitive_draw() don't +actually know anything about the CoglMetaTexture interface and its +the developer's responsibility to resolve all textures referenced +by a CoglPipeline to low-level textures before drawing. +

+

+If you want to develop custom primitive APIs like +cogl_framebuffer_draw_rectangle() and you want to support drawing +with CoglAtlasTextures or CoglSubTextures for +example, then you will need to use this CoglMetaTexture interface +to be able to resolve high-level textures into low-level textures +before drawing with Cogl's low-level drawing APIs such as +cogl_primitive_draw(). +

+

+

+
+

Note

Most developers won't need to use this interface directly +but still it is worth understanding the distinction between +low-level and meta textures because you may find other references +in the documentation that detail limitations of using +meta-textures.
+

+

+
+
+

Details

+
+

CoglMetaTexture

+
typedef void CoglMetaTexture;
+
+
+
+
+

CoglMetaTextureCallback ()

+
void                (*CoglMetaTextureCallback)          (CoglTexture *sub_texture,
+                                                         const float *sub_texture_coords,
+                                                         const float *meta_coords,
+                                                         void *user_data);
+

+A callback used with cogl_meta_texture_foreach_in_region() to +retrieve details of all the low-level CoglTextures that +make up a given CoglMetaTexture. +

+
++++ + + + + + + + + + + + + + + + + + + +

sub_texture :

A low-level CoglTexture making up part of a +CoglMetaTexture.

sub_texture_coords :

A float 4-tuple ordered like +(tx1,ty1,tx2,ty2) defining what region of the +current sub_texture maps to a sub-region of a +CoglMetaTexture. (tx1,ty1) is the top-left +sub-region coordinate and (tx2,ty2) is the +bottom-right. These are low-level texture +coordinates.

meta_coords :

A float 4-tuple ordered like (tx1,ty1,tx2,ty2) +defining what sub-region of a CoglMetaTexture this +low-level sub_texture maps too. (tx1,ty1) is +the top-left sub-region coordinate and (tx2,ty2) is +the bottom-right. These are high-level meta-texture +coordinates.

user_data :

A private pointer passed to +cogl_meta_texture_foreach_in_region().
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_meta_texture_foreach_in_region ()

+
void                cogl_meta_texture_foreach_in_region (CoglMetaTexture *meta_texture,
+                                                         float tx_1,
+                                                         float ty_1,
+                                                         float tx_2,
+                                                         float ty_2,
+                                                         CoglPipelineWrapMode wrap_s,
+                                                         CoglPipelineWrapMode wrap_t,
+                                                         CoglMetaTextureCallback callback,
+                                                         void *user_data);
+

+Allows you to manually iterate the low-level textures that define a +given region of a high-level CoglMetaTexture. +

+

+For example cogl_texture_2d_sliced_new_with_size() can be used to +create a meta texture that may slice a large image into multiple, +smaller power-of-two sized textures. These high level textures are +not directly understood by a GPU and so this API must be used to +manually resolve the underlying textures for drawing. +

+

+All high level textures (CoglAtlasTexture, CoglSubTexture, +CoglTexturePixmapX11, and CoglTexture2DSliced) can be handled +consistently using this interface which greately simplifies +implementing primitives that support all texture types. +

+

+For example if you use the cogl_rectangle() API then Cogl will +internally use this API to resolve the low level textures of any +meta textures you have associated with CoglPipeline layers. +

+

+

+
+

Note

The low level drawing APIs such as cogl_primitive_draw() +don't understand the CoglMetaTexture interface and so it is your +responsibility to use this API to resolve all CoglPipeline textures +into low-level textures before drawing.
+

+

+

+For each low-level texture that makes up part of the given region +of the meta_texture, callback is called specifying how the +low-level texture maps to the original region. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

meta_texture :

An object implementing the CoglMetaTexture +interface.

tx_1 :

The top-left x coordinate of the region to iterate

ty_1 :

The top-left y coordinate of the region to iterate

tx_2 :

The bottom-right x coordinate of the region to iterate

ty_2 :

The bottom-right y coordinate of the region to iterate

wrap_s :

The wrap mode for the x-axis

wrap_t :

The wrap mode for the y-axis

callback :

A CoglMetaTextureCallback pointer to be called +for each low-level texture within the specified region.

user_data :

A private pointer that is passed to callback.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Indices.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Indices.html new file mode 100644 index 0000000..048c5e5 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Indices.html @@ -0,0 +1,285 @@ + + + + +Indices + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Indices

+

Indices — Describe vertex indices stored in a CoglIndexBuffer.

+
+
+

Synopsis

+
                    CoglIndices;
+CoglBool            cogl_is_indices                     (void *object);
+
+enum                CoglIndicesType;
+CoglIndices *       cogl_indices_new                    (CoglContext *context,
+                                                         CoglIndicesType type,
+                                                         const void *indices_data,
+                                                         int n_indices);
+
+CoglIndices *       cogl_get_rectangle_indices          (CoglContext *context,
+                                                         int n_rectangles);
+
+
+
+

Description

+

+Indices allow you to avoid duplicating vertices in your vertex data +by virtualizing your data and instead providing a sequence of index +values that tell the GPU which data should be used for each vertex. +

+

+If the GPU is given a sequence of indices it doesn't simply walk +through each vertex of your data in order it will instead walk +through the indices which can provide random access to the +underlying data. +

+

+Since it's very common to have duplicate vertices when describing a +shape as a list of triangles it can often be a significant space +saving to describe geometry using indices. Reducing the size of +your models can make it cheaper to map them into the GPU by +reducing the demand on memory bandwidth and may help to make better +use of your GPUs internal vertex caching. +

+

+For example, to describe a quadrilateral as 2 triangles for the GPU +you could either provide data with 6 vertices or instead with +indices you can provide vertex data for just 4 vertices and an +index buffer that specfies the 6 vertices by indexing the shared +vertices multiple times. +

+

+

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34

+
+
+
+
+
+
+
+
+
+
+
+
+CoglVertex2f quad_vertices[] = {
+    {x0, y0}, //0 = top left
+    {x1, y1}, //1 = bottom left
+    {x2, y2}, //2 = bottom right
+    {x3, y3}, //3 = top right
+  };
+  //tell the gpu how to interpret the quad as 2 triangles...
+  unsigned char indices[] = {0, 1, 2, 0, 2, 3};
+
+ +

+

+

+Even in the above illustration we see a saving of 10bytes for one +quad compared to having data for 6 vertices and no indices but if +you need to draw 100s or 1000s of quads then its really quite +significant. +

+

+Something else to consider is that often indices can be defined +once and remain static while the vertex data may change for +animations perhaps. That means you may be able to ignore the +negligable cost of mapping your indices into the GPU if they don't +ever change. +

+

+The above illustration is actually a good example of static indices +because it's really common that developers have quad mesh data that +they need to display and we know exactly what that indices array +needs to look like depending on the number of quads that need to be +drawn. It doesn't matter how the quads might be animated and +changed the indices will remain the same. Cogl even has a utility +(cogl_get_rectangle_indices()) to get access to re-useable indices +for drawing quads as above. +

+
+
+

Details

+
+

CoglIndices

+
typedef struct _CoglIndices CoglIndices;
+
+
+
+

cogl_is_indices ()

+
CoglBool            cogl_is_indices                     (void *object);
+

+Gets whether the given object references a CoglIndices. +

+
++++ + + + + + + + + + + +

object :

A CoglObject pointer

Returns :

 +TRUE if the object references a CoglIndices +and FALSE otherwise.
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

enum CoglIndicesType

+
typedef enum {
+  COGL_INDICES_TYPE_UNSIGNED_BYTE,
+  COGL_INDICES_TYPE_UNSIGNED_SHORT,
+  COGL_INDICES_TYPE_UNSIGNED_INT
+} CoglIndicesType;
+
+

+You should aim to use the smallest data type that gives you enough +range, since it reduces the size of your index array and can help +reduce the demand on memory bandwidth. +

+

+Note that COGL_INDICES_TYPE_UNSIGNED_INT is only supported if the +COGL_FEATURE_ID_UNSIGNED_INT_INDICES feature is available. This +should always be available on OpenGL but on OpenGL ES it will only +be available if the GL_OES_element_index_uint extension is +advertized. +

+
++++ + + + + + + + + + + + + + + +

COGL_INDICES_TYPE_UNSIGNED_BYTE

Your indices are unsigned bytes +

COGL_INDICES_TYPE_UNSIGNED_SHORT

Your indices are unsigned shorts +

COGL_INDICES_TYPE_UNSIGNED_INT

Your indices are unsigned ints +
+
+
+
+

cogl_indices_new ()

+
CoglIndices *       cogl_indices_new                    (CoglContext *context,
+                                                         CoglIndicesType type,
+                                                         const void *indices_data,
+                                                         int n_indices);
+
+
+
+

cogl_get_rectangle_indices ()

+
CoglIndices *       cogl_get_rectangle_indices          (CoglContext *context,
+                                                         int n_rectangles);
+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Low-level-primitive-textures.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Low-level-primitive-textures.html new file mode 100644 index 0000000..881fc09 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Low-level-primitive-textures.html @@ -0,0 +1,150 @@ + + + + +Low-level primitive textures + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Low-level primitive textures

+

Low-level primitive textures — Interface for low-level textures like + CoglTexture2D and CoglTexture3D.

+
+
+

Synopsis

+
typedef             CoglPrimitiveTexture;
+CoglBool            cogl_is_primitive_texture           (void *object);
+void                cogl_primitive_texture_set_auto_mipmap
+                                                        (CoglPrimitiveTexture *primitive_texture,
+                                                         CoglBool value);
+
+
+
+

Description

+

+A CoglPrimitiveTexture is a texture that is directly represented +by a single texture on the GPU. For example these could be a +CoglTexture2D, CoglTexture3D or CoglTextureRectangle. This is +opposed to high level meta textures which may be composed of +multiple primitive textures or a sub-region of another texture such +as CoglAtlasTexture and CoglTexture2DSliced. +

+

+A texture that implements this interface can be directly used with +the low level cogl_primitive_draw() API. Other types of textures +need to be first resolved to primitive textures using the +CoglMetaTexture interface. +

+

+

+
+

Note

Most developers won't need to use this interface directly but +still it is worth understanding the distinction between high-level +and primitive textures because you may find other references in the +documentation that detail limitations of using +primitive textures.
+

+

+
+
+

Details

+
+

CoglPrimitiveTexture

+
typedef void CoglPrimitiveTexture;
+
+
+
+
+

cogl_is_primitive_texture ()

+
CoglBool            cogl_is_primitive_texture           (void *object);
+

+Gets whether the given object references a primitive texture object. +

+
++++ + + + + + + + + + + +

object :

A CoglObject pointer

Returns :

 +TRUE if the pointer references a primitive texture, and +FALSE otherwise
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+

cogl_primitive_texture_set_auto_mipmap ()

+
void                cogl_primitive_texture_set_auto_mipmap
+                                                        (CoglPrimitiveTexture *primitive_texture,
+                                                         CoglBool value);
+

+Sets whether the texture will automatically update the smaller +mipmap levels after any part of level 0 is updated. The update will +only occur whenever the texture is used for drawing with a texture +filter that requires the lower mipmap levels. An application should +disable this if it wants to upload its own data for the other +levels. By default auto mipmapping is enabled. +

+
++++ + + + + + + + + + + +

primitive_texture :

A CoglPrimitiveTexture +

value :

The new value for whether to auto mipmap
+

Since 2.0

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Main-loop-integration.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Main-loop-integration.html new file mode 100644 index 0000000..c76e43a --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Main-loop-integration.html @@ -0,0 +1,411 @@ + + + + +Main loop integration + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Main loop integration

+

Main loop integration — Functions for integrating Cogl with an + application's main loop

+
+
+

Synopsis

+
enum                CoglPollFDEvent;
+                    CoglPollFD;
+int                 cogl_poll_renderer_get_info         (CoglRenderer *renderer,
+                                                         CoglPollFD **poll_fds,
+                                                         int *n_poll_fds,
+                                                         int64_t *timeout);
+void                cogl_poll_renderer_dispatch         (CoglRenderer *renderer,
+                                                         const CoglPollFD *poll_fds,
+                                                         int n_poll_fds);
+GSource *           cogl_glib_source_new                (CoglContext *context,
+                                                         int priority);
+GSource *           cogl_glib_renderer_source_new       (CoglRenderer *renderer,
+                                                         int priority);
+
+
+
+

Description

+

+Cogl needs to integrate with the application's main loop so that it +can internally handle some events from the driver. All Cogl +applications must use these functions. They provide enough +information to describe the state that Cogl will need to wake up +on. An application using the GLib main loop can instead use +cogl_glib_source_new() which provides a GSource ready to be added +to the main loop. +

+
+
+

Details

+
+

enum CoglPollFDEvent

+
typedef enum {
+  COGL_POLL_FD_EVENT_IN = COGL_SYSDEF_POLLIN,
+  COGL_POLL_FD_EVENT_PRI = COGL_SYSDEF_POLLPRI,
+  COGL_POLL_FD_EVENT_OUT = COGL_SYSDEF_POLLOUT,
+  COGL_POLL_FD_EVENT_ERR = COGL_SYSDEF_POLLERR,
+  COGL_POLL_FD_EVENT_HUP = COGL_SYSDEF_POLLHUP,
+  COGL_POLL_FD_EVENT_NVAL = COGL_SYSDEF_POLLNVAL
+} CoglPollFDEvent;
+
+

+A bitmask of events that Cogl may need to wake on for a file +descriptor. Note that these all have the same values as the +corresponding defines for the poll function call on Unix so they +may be directly passed to poll. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

COGL_POLL_FD_EVENT_IN

there is data to read +

COGL_POLL_FD_EVENT_PRI

data can be written (without blocking) +

COGL_POLL_FD_EVENT_OUT

there is urgent data to read. +

COGL_POLL_FD_EVENT_ERR

error condition +

COGL_POLL_FD_EVENT_HUP

hung up (the connection has been broken, usually + for pipes and sockets). +

COGL_POLL_FD_EVENT_NVAL

invalid request. The file descriptor is not open. +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

CoglPollFD

+
typedef struct {
+  int fd;
+  short int events;
+  short int revents;
+} CoglPollFD;
+
+

+A struct for describing the state of a file descriptor that Cogl +needs to block on. The events field contains a bitmask of +CoglPollFDEvents that should cause the application to wake +up. After the application is woken up from idle it should pass back +an array of CoglPollFDs to Cogl and update the revents +mask to the actual events that occurred on the file descriptor. +

+

+Note that CoglPollFD is deliberately exactly the same as struct +pollfd on Unix so that it can simply be cast when calling poll. +

+
++++ + + + + + + + + + + + + + + +

int fd;

The file descriptor to block on

short int events;

A bitmask of events to block on

short int revents;

A bitmask of returned events
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_poll_renderer_get_info ()

+
int                 cogl_poll_renderer_get_info         (CoglRenderer *renderer,
+                                                         CoglPollFD **poll_fds,
+                                                         int *n_poll_fds,
+                                                         int64_t *timeout);
+

+Is used to integrate Cogl with an application mainloop that is based +on the unix poll(2) api (or select() or something equivalent). This +api should be called whenever an application is about to go idle so +that Cogl has a chance to describe what file descriptor events it +needs to be woken up for. +

+

+

+
+

Note

If your application is using the Glib mainloop then you +should jump to the cogl_glib_source_new() api as a more convenient +way of integrating Cogl with the mainloop.
+

+

+

+After the function is called *poll_fds will contain a pointer to +an array of CoglPollFD structs describing the file descriptors +that Cogl expects. The fd and events members will be updated +accordingly. After the application has completed its idle it is +expected to either update the revents members directly in this +array or to create a copy of the array and update them +there. +

+

+When the application mainloop returns from calling poll(2) (or its +equivalent) then it should call cogl_poll_renderer_dispatch() +passing a pointer the array of CoglPollFDs with updated +revent values. +

+

+When using the COGL_WINSYS_ID_WGL winsys (where file descriptors +don't make any sense) or COGL_WINSYS_ID_SDL (where the event +handling functions of SDL don't allow blocking on a file +descriptor) *n_poll_fds is guaranteed to be zero. +

+

+timeout will contain a maximum amount of time to wait in +microseconds before the application should wake up or -1 if the +application should wait indefinitely. This can also be 0 if +Cogl needs to be woken up immediately. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

renderer :

A CoglRenderer +

poll_fds :

A return location for a pointer to an array +of CoglPollFDs

n_poll_fds :

A return location for the number of entries in *poll_fds +

timeout :

A return location for the maximum length of time to wait +in microseconds, or -1 to wait indefinitely.

Returns :

A "poll fd state age" that changes whenever the set +of poll_fds has changed. If this API is being used to +integrate with another system mainloop api then +knowing if the set of file descriptors and events has +really changed can help avoid redundant work +depending the api. The age isn't guaranteed to change +when the timeout changes.
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

cogl_poll_renderer_dispatch ()

+
void                cogl_poll_renderer_dispatch         (CoglRenderer *renderer,
+                                                         const CoglPollFD *poll_fds,
+                                                         int n_poll_fds);
+

+This should be called whenever an application is woken up from +going idle in its main loop. The poll_fds array should contain a +list of file descriptors matched with the events that occurred in +revents. The events field is ignored. It is safe to pass in extra +file descriptors that Cogl didn't request when calling +cogl_poll_renderer_get_info() or a shorter array missing some file +descriptors that Cogl requested. +

+

+

+
+

Note

If your application didn't originally create a CoglRenderer +manually then you can easily get a CoglRenderer pointer by calling +cogl_get_renderer().
+

+

+
++++ + + + + + + + + + + + + + + +

renderer :

A CoglRenderer +

poll_fds :

An array of CoglPollFDs describing the events +that have occurred since the application went idle.

n_poll_fds :

The length of the poll_fds array.
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+

cogl_glib_source_new ()

+
GSource *           cogl_glib_source_new                (CoglContext *context,
+                                                         int priority);
+

+Creates a GSource which handles Cogl's internal system event +processing. This can be used as a convenience instead of +cogl_poll_renderer_get_info() and cogl_poll_renderer_dispatch() in +applications that are already using the GLib main loop. After this +is called the GSource should be attached to the main loop using +g_source_attach(). +

+

+Applications that manually connect to a CoglRenderer before they +create a CoglContext should instead use +cogl_glib_renderer_source_new() so that events may be dispatched +before a context has been created. In that case you don't need to +use this api in addition later, it is simply enough to use +cogl_glib_renderer_source_new() instead. +

+

+

+
+

Note

This api is actually just a thin convenience wrapper around +cogl_glib_renderer_source_new() +
+

+

+
++++ + + + + + + + + + + + + + + +

context :

A CoglContext +

priority :

The priority of the GSource +

Returns :

a new GSource +
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_glib_renderer_source_new ()

+
GSource *           cogl_glib_renderer_source_new       (CoglRenderer *renderer,
+                                                         int priority);
+

+Creates a GSource which handles Cogl's internal system event +processing. This can be used as a convenience instead of +cogl_poll_renderer_get_info() and cogl_poll_renderer_dispatch() in +applications that are already using the GLib main loop. After this +is called the GSource should be attached to the main loop using +g_source_attach(). +

+
++++ + + + + + + + + + + + + + + +

renderer :

A CoglRenderer +

priority :

The priority of the GSource +

Returns :

a new GSource +
+

Since 1.16

+

Stability Level: Unstable

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Matrices.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Matrices.html new file mode 100644 index 0000000..7d42b14 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Matrices.html @@ -0,0 +1,1589 @@ + + + + +Matrices + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Matrices

+

Matrices — Functions for initializing and manipulating 4x4 matrices

+
+
+

Synopsis

+
                    CoglMatrix;
+void                cogl_matrix_init_identity           (CoglMatrix *matrix);
+void                cogl_matrix_init_from_array         (CoglMatrix *matrix,
+                                                         const float *array);
+void                cogl_matrix_init_translation        (CoglMatrix *matrix,
+                                                         float tx,
+                                                         float ty,
+                                                         float tz);
+void                cogl_matrix_init_from_quaternion    (CoglMatrix *matrix,
+                                                         const CoglQuaternion *quaternion);
+void                cogl_matrix_init_from_euler         (CoglMatrix *matrix,
+                                                         const CoglEuler *euler);
+CoglMatrix *        cogl_matrix_copy                    (const CoglMatrix *matrix);
+CoglBool            cogl_matrix_equal                   (const void *v1,
+                                                         const void *v2);
+void                cogl_matrix_free                    (CoglMatrix *matrix);
+void                cogl_matrix_frustum                 (CoglMatrix *matrix,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_matrix_orthographic            (CoglMatrix *matrix,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         float near,
+                                                         float far);
+void                cogl_matrix_perspective             (CoglMatrix *matrix,
+                                                         float fov_y,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_matrix_look_at                 (CoglMatrix *matrix,
+                                                         float eye_position_x,
+                                                         float eye_position_y,
+                                                         float eye_position_z,
+                                                         float object_x,
+                                                         float object_y,
+                                                         float object_z,
+                                                         float world_up_x,
+                                                         float world_up_y,
+                                                         float world_up_z);
+void                cogl_matrix_multiply                (CoglMatrix *result,
+                                                         const CoglMatrix *a,
+                                                         const CoglMatrix *b);
+void                cogl_matrix_rotate                  (CoglMatrix *matrix,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_matrix_rotate_quaternion       (CoglMatrix *matrix,
+                                                         const CoglQuaternion *quaternion);
+void                cogl_matrix_rotate_euler            (CoglMatrix *matrix,
+                                                         const CoglEuler *euler);
+void                cogl_matrix_translate               (CoglMatrix *matrix,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_matrix_scale                   (CoglMatrix *matrix,
+                                                         float sx,
+                                                         float sy,
+                                                         float sz);
+void                cogl_matrix_transpose               (CoglMatrix *matrix);
+const float *       cogl_matrix_get_array               (const CoglMatrix *matrix);
+CoglBool            cogl_matrix_get_inverse             (const CoglMatrix *matrix,
+                                                         CoglMatrix *inverse);
+void                cogl_matrix_transform_point         (const CoglMatrix *matrix,
+                                                         float *x,
+                                                         float *y,
+                                                         float *z,
+                                                         float *w);
+void                cogl_matrix_transform_points        (const CoglMatrix *matrix,
+                                                         int n_components,
+                                                         size_t stride_in,
+                                                         const void *points_in,
+                                                         size_t stride_out,
+                                                         void *points_out,
+                                                         int n_points);
+void                cogl_matrix_project_points          (const CoglMatrix *matrix,
+                                                         int n_components,
+                                                         size_t stride_in,
+                                                         const void *points_in,
+                                                         size_t stride_out,
+                                                         void *points_out,
+                                                         int n_points);
+CoglBool            cogl_matrix_is_identity             (const CoglMatrix *matrix);
+
+
+
+

Description

+

+Matrices are used in Cogl to describe affine model-view transforms, texture +transforms, and projective transforms. This exposes a utility API that can +be used for direct manipulation of these matrices. +

+
+
+

Details

+
+

CoglMatrix

+
typedef struct {
+  /* column 0 */
+  float xx;
+  float yx;
+  float zx;
+  float wx;
+
+  /* column 1 */
+  float xy;
+  float yy;
+  float zy;
+  float wy;
+
+  /* column 2 */
+  float xz;
+  float yz;
+  float zz;
+  float wz;
+
+  /* column 3 */
+  float xw;
+  float yw;
+  float zw;
+  float ww;
+} CoglMatrix;
+
+

+A CoglMatrix holds a 4x4 transform matrix. This is a single precision, +column-major matrix which means it is compatible with what OpenGL expects. +

+

+A CoglMatrix can represent transforms such as, rotations, scaling, +translation, sheering, and linear projections. You can combine these +transforms by multiplying multiple matrices in the order you want them +applied. +

+

+The transformation of a vertex (x, y, z, w) by a CoglMatrix is given by: +

+

+

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27

+
+
+
+
+
+
+
+
+
+
+
+
+x_new = xx * x + xy * y + xz * z + xw * w
+  y_new = yx * x + yy * y + yz * z + yw * w
+  z_new = zx * x + zy * y + zz * z + zw * w
+  w_new = wx * x + wy * y + wz * z + ww * w
+
+ +

+

+

+Where w is normally 1 +

+

+

+
+

Note

You must consider the members of the CoglMatrix structure read only, +and all matrix modifications must be done via the cogl_matrix API. This +allows Cogl to annotate the matrices internally. Violation of this will give +undefined results. If you need to initialize a matrix with a constant other +than the identity matrix you can use cogl_matrix_init_from_array().
+

+

+
+
+
+

cogl_matrix_init_identity ()

+
void                cogl_matrix_init_identity           (CoglMatrix *matrix);
+

+Resets matrix to the identity matrix: +

+

+

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28

+
+
+
+
+
+
+
+
+
+
+
+
+.xx=1; .xy=0; .xz=0; .xw=0;
+  .yx=0; .yy=1; .yz=0; .yw=0;
+  .zx=0; .zy=0; .zz=1; .zw=0;
+  .wx=0; .wy=0; .wz=0; .ww=1;
+
+ +

+

+
++++ + + + + +

matrix :

A 4x4 transformation matrix
+
+
+
+

cogl_matrix_init_from_array ()

+
void                cogl_matrix_init_from_array         (CoglMatrix *matrix,
+                                                         const float *array);
+

+Initializes matrix with the contents of array +

+
++++ + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

array :

A linear array of 16 floats (column-major order)
+
+
+
+

cogl_matrix_init_translation ()

+
void                cogl_matrix_init_translation        (CoglMatrix *matrix,
+                                                         float tx,
+                                                         float ty,
+                                                         float tz);
+

+Resets matrix to the (tx, ty, tz) translation matrix: +

+

+

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28

+
+
+
+
+
+
+
+
+
+
+
+
+.xx=1; .xy=0; .xz=0; .xw=tx;
+  .yx=0; .yy=1; .yz=0; .yw=ty;
+  .zx=0; .zy=0; .zz=1; .zw=tz;
+  .wx=0; .wy=0; .wz=0; .ww=1;
+
+ +

+

+
++++ + + + + + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

tx :

x coordinate of the translation vector

ty :

y coordinate of the translation vector

tz :

z coordinate of the translation vector
+

Since 2.0

+
+
+
+

cogl_matrix_init_from_quaternion ()

+
void                cogl_matrix_init_from_quaternion    (CoglMatrix *matrix,
+                                                         const CoglQuaternion *quaternion);
+

+Initializes matrix from a CoglQuaternion rotation. +

+
++++ + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

quaternion :

A CoglQuaternion +
+
+
+
+

cogl_matrix_init_from_euler ()

+
void                cogl_matrix_init_from_euler         (CoglMatrix *matrix,
+                                                         const CoglEuler *euler);
+

+Initializes matrix from a CoglEuler rotation. +

+
++++ + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

euler :

A CoglEuler +
+
+
+
+

cogl_matrix_copy ()

+
CoglMatrix *        cogl_matrix_copy                    (const CoglMatrix *matrix);
+

+Allocates a new CoglMatrix on the heap and initializes it with +the same values as matrix. +

+
++++ + + + + + + + + + + +

matrix :

A 4x4 transformation matrix you want to copy

Returns :

A newly allocated CoglMatrix which +should be freed using cogl_matrix_free(). [transfer full] +
+

Since 1.6

+
+
+
+

cogl_matrix_equal ()

+
CoglBool            cogl_matrix_equal                   (const void *v1,
+                                                         const void *v2);
+

+Compares two matrices to see if they represent the same +transformation. Although internally the matrices may have different +annotations associated with them and may potentially have a cached +inverse matrix these are not considered in the comparison. +

+
++++ + + + + + + + + + + +

v1 :

A 4x4 transformation matrix

v2 :

A 4x4 transformation matrix
+

Since 1.4

+
+
+
+

cogl_matrix_free ()

+
void                cogl_matrix_free                    (CoglMatrix *matrix);
+

+Frees a CoglMatrix that was previously allocated via a call to +cogl_matrix_copy(). +

+
++++ + + + + +

matrix :

A 4x4 transformation matrix you want to free
+

Since 1.6

+
+
+
+

cogl_matrix_frustum ()

+
void                cogl_matrix_frustum                 (CoglMatrix *matrix,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);
+

+Multiplies matrix by the given frustum perspective matrix. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

left :

X position of the left clipping plane where it +intersects the near clipping plane

right :

X position of the right clipping plane where it +intersects the near clipping plane

bottom :

Y position of the bottom clipping plane where it +intersects the near clipping plane

top :

Y position of the top clipping plane where it intersects +the near clipping plane

z_near :

The distance to the near clipping plane (Must be positive)

z_far :

The distance to the far clipping plane (Must be positive)
+
+
+
+

cogl_matrix_orthographic ()

+
void                cogl_matrix_orthographic            (CoglMatrix *matrix,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         float near,
+                                                         float far);
+

+Multiplies matrix by a parallel projection matrix. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

x_1 :

The x coordinate for the first vertical clipping plane

y_1 :

The y coordinate for the first horizontal clipping plane

x_2 :

The x coordinate for the second vertical clipping plane

y_2 :

The y coordinate for the second horizontal clipping plane

near :

The distance to the near clipping +plane (will be negative if the plane is +behind the viewer)

far :

The distance to the far clipping +plane (will be negative if the plane is +behind the viewer)
+

Since 1.10

+

Stability Level: Unstable

+
+
+
+

cogl_matrix_perspective ()

+
void                cogl_matrix_perspective             (CoglMatrix *matrix,
+                                                         float fov_y,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);
+

+Multiplies matrix by the described perspective matrix +

+

+

+
+

Note

You should be careful not to have to great a z_far / z_near +ratio since that will reduce the effectiveness of depth testing +since there wont be enough precision to identify the depth of +objects near to each other.
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

fov_y :

Vertical field of view angle in degrees.

aspect :

The (width over height) aspect ratio for display

z_near :

The distance to the near clipping plane (Must be positive, +and must not be 0)

z_far :

The distance to the far clipping plane (Must be positive)
+
+
+
+

cogl_matrix_look_at ()

+
void                cogl_matrix_look_at                 (CoglMatrix *matrix,
+                                                         float eye_position_x,
+                                                         float eye_position_y,
+                                                         float eye_position_z,
+                                                         float object_x,
+                                                         float object_y,
+                                                         float object_z,
+                                                         float world_up_x,
+                                                         float world_up_y,
+                                                         float world_up_z);
+

+Applies a view transform matrix that positions the camera at +the coordinate (eye_position_x, eye_position_y, eye_position_z) +looking towards an object at the coordinate (object_x, object_y, +object_z). The top of the camera is aligned to the given world up +vector, which is normally simply (0, 1, 0) to map up to the +positive direction of the y axis. +

+

+Because there is a lot of missleading documentation online for +gluLookAt regarding the up vector we want to try and be a bit +clearer here. +

+

+The up vector should simply be relative to your world coordinates +and does not need to change as you move the eye and object +positions. Many online sources may claim that the up vector needs +to be perpendicular to the vector between the eye and object +position (partly because the man page is somewhat missleading) but +that is not necessary for this function. +

+

+

+
+

Note

You should never look directly along the world-up +vector.
+

+

+

+

+
+

Note

It is assumed you are using a typical projection matrix where +your origin maps to the center of your viewport.
+

+

+

+

+
+

Note

Almost always when you use this function it should be the first +transform applied to a new modelview transform
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

eye_position_x :

The X coordinate to look from

eye_position_y :

The Y coordinate to look from

eye_position_z :

The Z coordinate to look from

object_x :

The X coordinate of the object to look at

object_y :

The Y coordinate of the object to look at

object_z :

The Z coordinate of the object to look at

world_up_x :

The X component of the world's up direction vector

world_up_y :

The Y component of the world's up direction vector

world_up_z :

The Z component of the world's up direction vector
+

Since 1.8

+

Stability Level: Unstable

+
+
+
+

cogl_matrix_multiply ()

+
void                cogl_matrix_multiply                (CoglMatrix *result,
+                                                         const CoglMatrix *a,
+                                                         const CoglMatrix *b);
+

+Multiplies the two supplied matrices together and stores +the resulting matrix inside result. +

+

+

+
+

Note

It is possible to multiply the a matrix in-place, so +result can be equal to a but can't be equal to b.
+

+

+
++++ + + + + + + + + + + + + + + +

result :

The address of a 4x4 matrix to store the result in

a :

A 4x4 transformation matrix

b :

A 4x4 transformation matrix
+
+
+
+

cogl_matrix_rotate ()

+
void                cogl_matrix_rotate                  (CoglMatrix *matrix,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+

+Multiplies matrix with a rotation matrix that applies a rotation +of angle degrees around the specified 3D vector. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

angle :

The angle you want to rotate in degrees

x :

X component of your rotation vector

y :

Y component of your rotation vector

z :

Z component of your rotation vector
+
+
+
+

cogl_matrix_rotate_quaternion ()

+
void                cogl_matrix_rotate_quaternion       (CoglMatrix *matrix,
+                                                         const CoglQuaternion *quaternion);
+

+Multiplies matrix with a rotation transformation described by the +given CoglQuaternion. +

+
++++ + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

quaternion :

A quaternion describing a rotation
+

Since 2.0

+
+
+
+

cogl_matrix_rotate_euler ()

+
void                cogl_matrix_rotate_euler            (CoglMatrix *matrix,
+                                                         const CoglEuler *euler);
+

+Multiplies matrix with a rotation transformation described by the +given CoglEuler. +

+
++++ + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

euler :

A euler describing a rotation
+

Since 2.0

+
+
+
+

cogl_matrix_translate ()

+
void                cogl_matrix_translate               (CoglMatrix *matrix,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+

+Multiplies matrix with a transform matrix that translates along +the X, Y and Z axis. +

+
++++ + + + + + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

x :

The X translation you want to apply

y :

The Y translation you want to apply

z :

The Z translation you want to apply
+
+
+
+

cogl_matrix_scale ()

+
void                cogl_matrix_scale                   (CoglMatrix *matrix,
+                                                         float sx,
+                                                         float sy,
+                                                         float sz);
+

+Multiplies matrix with a transform matrix that scales along the X, +Y and Z axis. +

+
++++ + + + + + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

sx :

The X scale factor

sy :

The Y scale factor

sz :

The Z scale factor
+
+
+
+

cogl_matrix_transpose ()

+
void                cogl_matrix_transpose               (CoglMatrix *matrix);
+

+Replaces matrix with its transpose. Ie, every element (i,j) in the +new matrix is taken from element (j,i) in the old matrix. +

+
++++ + + + + +

matrix :

A CoglMatrix +
+

Since 1.10

+
+
+
+

cogl_matrix_get_array ()

+
const float *       cogl_matrix_get_array               (const CoglMatrix *matrix);
+

+Casts matrix to a float array which can be directly passed to OpenGL. +

+
++++ + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

Returns :

a pointer to the float array
+
+
+
+

cogl_matrix_get_inverse ()

+
CoglBool            cogl_matrix_get_inverse             (const CoglMatrix *matrix,
+                                                         CoglMatrix *inverse);
+

+Gets the inverse transform of a given matrix and uses it to initialize +a new CoglMatrix. +

+

+

+
+

Note

Although the first parameter is annotated as const to indicate +that the transform it represents isn't modified this function may +technically save a copy of the inverse transform within the given +CoglMatrix so that subsequent requests for the inverse transform may +avoid costly inversion calculations.
+

+

+
++++ + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

inverse :

The destination for a 4x4 inverse transformation matrix. [out] +

Returns :

 +TRUE if the inverse was successfully calculated or FALSE +for degenerate transformations that can't be inverted (in this case the +inverse matrix will simply be initialized with the identity matrix)
+

Since 1.2

+
+
+
+

cogl_matrix_transform_point ()

+
void                cogl_matrix_transform_point         (const CoglMatrix *matrix,
+                                                         float *x,
+                                                         float *y,
+                                                         float *z,
+                                                         float *w);
+

+Transforms a point whos position is given and returned as four float +components. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

matrix :

A 4x4 transformation matrix

x :

The X component of your points position. [inout] +

y :

The Y component of your points position. [inout] +

z :

The Z component of your points position. [inout] +

w :

The W component of your points position. [inout] +
+
+
+
+

cogl_matrix_transform_points ()

+
void                cogl_matrix_transform_points        (const CoglMatrix *matrix,
+                                                         int n_components,
+                                                         size_t stride_in,
+                                                         const void *points_in,
+                                                         size_t stride_out,
+                                                         void *points_out,
+                                                         int n_points);
+

+Transforms an array of input points and writes the result to +another array of output points. The input points can either have 2 +or 3 components each. The output points always have 3 components. +The output array can simply point to the input array to do the +transform in-place. +

+

+If you need to transform 4 component points see +cogl_matrix_project_points(). +

+

+Here's an example with differing input/output strides: +

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
+41
+42
+43
+44
+45
+46
+47
+48
+49

+
+
+
+
+
+
+
+
+
+
+
+
+typedef struct {
+  float x,y;
+  uint8_t r,g,b,a;
+  float s,t,p;
+} MyInVertex;
+typedef struct {
+  uint8_t r,g,b,a;
+  float x,y,z;
+} MyOutVertex;
+MyInVertex vertices[N_VERTICES];
+MyOutVertex results[N_VERTICES];
+CoglMatrix matrix;
+
+my_load_vertices (vertices);
+my_get_matrix (&matrix);
+
+cogl_matrix_transform_points (&matrix,
+                              2,
+                              sizeof (MyInVertex),
+                              &vertices[0].x,
+                              sizeof (MyOutVertex),
+                              &results[0].x,
+                              N_VERTICES);
+
+ +

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

matrix :

A transformation matrix

n_components :

The number of position components for each input point. +(either 2 or 3)

stride_in :

The stride in bytes between input points.

points_in :

A pointer to the first component of the first input point.

stride_out :

The stride in bytes between output points.

points_out :

A pointer to the first component of the first output point.

n_points :

The number of points to transform.
+

Stability Level: Unstable

+
+
+
+

cogl_matrix_project_points ()

+
void                cogl_matrix_project_points          (const CoglMatrix *matrix,
+                                                         int n_components,
+                                                         size_t stride_in,
+                                                         const void *points_in,
+                                                         size_t stride_out,
+                                                         void *points_out,
+                                                         int n_points);
+

+Projects an array of input points and writes the result to another +array of output points. The input points can either have 2, 3 or 4 +components each. The output points always have 4 components (known +as homogenous coordinates). The output array can simply point to +the input array to do the transform in-place. +

+

+Here's an example with differing input/output strides: +

+
+ + + + + + + + 
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
+41
+42
+43
+44
+45
+46
+47
+48
+49

+
+
+
+
+
+
+
+
+
+
+
+
+typedef struct {
+  float x,y;
+  uint8_t r,g,b,a;
+  float s,t,p;
+} MyInVertex;
+typedef struct {
+  uint8_t r,g,b,a;
+  float x,y,z;
+} MyOutVertex;
+MyInVertex vertices[N_VERTICES];
+MyOutVertex results[N_VERTICES];
+CoglMatrix matrix;
+
+my_load_vertices (vertices);
+my_get_matrix (&matrix);
+
+cogl_matrix_project_points (&matrix,
+                            2,
+                            sizeof (MyInVertex),
+                            &vertices[0].x,
+                            sizeof (MyOutVertex),
+                            &results[0].x,
+                            N_VERTICES);
+
+ +

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

matrix :

A projection matrix

n_components :

The number of position components for each input point. +(either 2, 3 or 4)

stride_in :

The stride in bytes between input points.

points_in :

A pointer to the first component of the first input point.

stride_out :

The stride in bytes between output points.

points_out :

A pointer to the first component of the first output point.

n_points :

The number of points to transform.
+

Stability Level: Unstable

+
+
+
+

cogl_matrix_is_identity ()

+
CoglBool            cogl_matrix_is_identity             (const CoglMatrix *matrix);
+

+Determines if the given matrix is an identity matrix. +

+
++++ + + + + + + + + + + +

matrix :

A CoglMatrix +

Returns :

 +TRUE if matrix is an identity matrix else FALSE +
+

Since 1.8

+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Matrix-Stacks.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Matrix-Stacks.html new file mode 100644 index 0000000..3768200 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Matrix-Stacks.html @@ -0,0 +1,1141 @@ + + + + +Matrix Stacks + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Matrix Stacks

+

Matrix Stacks — Functions for efficiently tracking many + related transformations

+
+
+

Synopsis

+
                    CoglMatrixStack;
+                    CoglMatrixEntry;
+CoglMatrixStack *   cogl_matrix_stack_new               (CoglContext *ctx);
+void                cogl_matrix_stack_push              (CoglMatrixStack *stack);
+void                cogl_matrix_stack_pop               (CoglMatrixStack *stack);
+void                cogl_matrix_stack_load_identity     (CoglMatrixStack *stack);
+void                cogl_matrix_stack_scale             (CoglMatrixStack *stack,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_matrix_stack_translate         (CoglMatrixStack *stack,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_matrix_stack_rotate            (CoglMatrixStack *stack,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_matrix_stack_rotate_quaternion (CoglMatrixStack *stack,
+                                                         const CoglQuaternion *quaternion);
+void                cogl_matrix_stack_rotate_euler      (CoglMatrixStack *stack,
+                                                         const CoglEuler *euler);
+void                cogl_matrix_stack_multiply          (CoglMatrixStack *stack,
+                                                         const CoglMatrix *matrix);
+void                cogl_matrix_stack_frustum           (CoglMatrixStack *stack,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_matrix_stack_perspective       (CoglMatrixStack *stack,
+                                                         float fov_y,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_matrix_stack_orthographic      (CoglMatrixStack *stack,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         float near,
+                                                         float far);
+CoglBool            cogl_matrix_stack_get_inverse       (CoglMatrixStack *stack,
+                                                         CoglMatrix *inverse);
+CoglMatrixEntry *   cogl_matrix_stack_get_entry         (CoglMatrixStack *stack);
+CoglMatrix *        cogl_matrix_stack_get               (CoglMatrixStack *stack,
+                                                         CoglMatrix *matrix);
+CoglMatrix *        cogl_matrix_entry_get               (CoglMatrixEntry *entry,
+                                                         CoglMatrix *matrix);
+void                cogl_matrix_stack_set               (CoglMatrixStack *stack,
+                                                         const CoglMatrix *matrix);
+CoglBool            cogl_matrix_entry_calculate_translation
+                                                        (CoglMatrixEntry *entry0,
+                                                         CoglMatrixEntry *entry1,
+                                                         float *x,
+                                                         float *y,
+                                                         float *z);
+CoglBool            cogl_matrix_entry_is_identity       (CoglMatrixEntry *entry);
+CoglBool            cogl_matrix_entry_equal             (CoglMatrixEntry *entry0,
+                                                         CoglMatrixEntry *entry1);
+CoglMatrixEntry *   cogl_matrix_entry_ref               (CoglMatrixEntry *entry);
+void                cogl_matrix_entry_unref             (CoglMatrixEntry *entry);
+
+
+
+

Description

+

+Matrices can be used (for example) to describe the model-view +transforms of objects, texture transforms, and projective +transforms. +

+

+The CoglMatrix api provides a good way to manipulate individual +matrices representing a single transformation but if you need to +track many-many such transformations for many objects that are +organized in a scenegraph for example then using a separate +CoglMatrix for each object may not be the most efficient way. +

+

+A CoglMatrixStack enables applications to track lots of +transformations that are related to each other in some kind of +hierarchy. In a scenegraph for example if you want to know how to +transform a particular node then you usually have to walk up +through the ancestors and accumulate their transforms before +finally applying the transform of the node itself. In this model +things are grouped together spatially according to their ancestry +and all siblings with the same parent share the same initial +transformation. The CoglMatrixStack API is suited to tracking lots +of transformations that fit this kind of model. +

+

+Compared to using the CoglMatrix api directly to track many +related transforms, these can be some advantages to using a +CoglMatrixStack: +

+
    +
  • Faster equality comparisons of transformations
    • +
  • Efficient comparisons of the differences between arbitrary + transformations
    • +
  • Avoid redundant arithmetic related to common transforms +
    • +
  • Can be more space efficient (not always though)
    • +
+

+

+

+For reference (to give an idea of when a CoglMatrixStack can +provide a space saving) a CoglMatrix can be expected to take 72 +bytes whereas a single CoglMatrixEntry in a CoglMatrixStack is +currently around 32 bytes on a 32bit CPU or 36 bytes on a 64bit +CPU. An entry is needed for each individual operation applied to +the stack (such as rotate, scale, translate) so if most of your +leaf node transformations only need one or two simple operations +relative to their parent then a matrix stack will likely take less +space than having a CoglMatrix for each node. +

+

+Even without any space saving though the ability to perform fast +comparisons and avoid redundant arithmetic (especially sine and +cosine calculations for rotations) can make using a matrix stack +worthwhile. +

+
+
+

Details

+
+

CoglMatrixStack

+
typedef struct _CoglMatrixStack CoglMatrixStack;
+

+Tracks your current position within a hierarchy and lets you build +up a graph of transformations as you traverse through a hierarchy +such as a scenegraph. +

+

+A CoglMatrixStack always maintains a reference to a single +transformation at any point in time, representing the +transformation at the current position in the hierarchy. You can +get a reference to the current transformation by calling +cogl_matrix_stack_get_entry(). +

+

+When a CoglMatrixStack is first created with +cogl_matrix_stack_new() then it is conceptually positioned at the +root of your hierarchy and the current transformation simply +represents an identity transformation. +

+

+As you traverse your object hierarchy (your scenegraph) then you +should call cogl_matrix_stack_push() whenever you move down one +level and call cogl_matrix_stack_pop() whenever you move back up +one level towards the root. +

+

+At any time you can apply a set of operations, such as "rotate", +"scale", "translate" on top of the current transformation of a +CoglMatrixStack using functions such as +cogl_matrix_stack_rotate(), cogl_matrix_stack_scale() and +cogl_matrix_stack_translate(). These operations will derive a new +current transformation and will never affect a transformation +that you have referenced using cogl_matrix_stack_get_entry(). +

+

+Internally applying operations to a CoglMatrixStack builds up a +graph of CoglMatrixEntry structures which each represent a single +immutable transform. +

+
+
+
+

CoglMatrixEntry

+
typedef struct _CoglMatrixEntry CoglMatrixEntry;
+

+Represents a single immutable transformation that was retrieved +from a CoglMatrixStack using cogl_matrix_stack_get_entry(). +

+

+Internally a CoglMatrixEntry represents a single matrix +operation (such as "rotate", "scale", "translate") which is applied +to the transform of a single parent entry. +

+

+Using the CoglMatrixStack api effectively builds up a graph of +these immutable CoglMatrixEntry structures whereby operations +that can be shared between multiple transformations will result +in shared CoglMatrixEntry nodes in the graph. +

+

+When a CoglMatrixStack is first created it references one +CoglMatrixEntry that represents a single "load identity" +operation. This serves as the root entry and all operations +that are then applied to the stack will extend the graph +starting from this root "load identity" entry. +

+

+Given the typical usage model for a CoglMatrixStack and the way +the entries are built up while traversing a scenegraph then in most +cases where an application is interested in comparing two +transformations for equality then it is enough to simply compare +two CoglMatrixEntry pointers directly. Technically this can lead +to false negatives that could be identified with a deeper +comparison but often these false negatives are unlikely and +don't matter anyway so this enables extremely cheap comparisons. +

+

+

+
+

Note

+CoglMatrixEntrys are reference counted using +cogl_matrix_entry_ref() and cogl_matrix_entry_unref() not with +cogl_object_ref() and cogl_object_unref().
+

+

+
+
+
+

cogl_matrix_stack_new ()

+
CoglMatrixStack *   cogl_matrix_stack_new               (CoglContext *ctx);
+

+Allocates a new CoglMatrixStack that can be used to build up +transformations relating to objects in a scenegraph like hierarchy. +(See the description of CoglMatrixStack and CoglMatrixEntry for +more details of what a matrix stack is best suited for) +

+

+When a CoglMatrixStack is first allocated it is conceptually +positioned at the root of your scenegraph hierarchy. As you +traverse your scenegraph then you should call +cogl_matrix_stack_push() whenever you move down a level and +cogl_matrix_stack_pop() whenever you move back up a level towards +the root. +

+

+Once you have allocated a CoglMatrixStack you can get a reference +to the current transformation for the current position in the +hierarchy by calling cogl_matrix_stack_get_entry(). +

+

+Once you have allocated a CoglMatrixStack you can apply operations +such as rotate, scale and translate to modify the current transform +for the current position in the hierarchy by calling +cogl_matrix_stack_rotate(), cogl_matrix_stack_scale() and +cogl_matrix_stack_translate(). +

+
++++ + + + + + + + + + + +

ctx :

A CoglContext +

Returns :

A newly allocated CoglMatrixStack. [transfer full] +
+
+
+
+

cogl_matrix_stack_push ()

+
void                cogl_matrix_stack_push              (CoglMatrixStack *stack);
+

+Saves the current transform and starts a new transform that derives +from the current transform. +

+

+This is usually called while traversing a scenegraph whenever you +traverse one level deeper. cogl_matrix_stack_pop() can then be +called when going back up one layer to restore the previous +transform of an ancestor. +

+
++++ + + + + +

stack :

A CoglMatrixStack +
+
+
+
+

cogl_matrix_stack_pop ()

+
void                cogl_matrix_stack_pop               (CoglMatrixStack *stack);
+

+Restores the previous transform that was last saved by calling +cogl_matrix_stack_push(). +

+

+This is usually called while traversing a scenegraph whenever you +return up one level in the graph towards the root node. +

+
++++ + + + + +

stack :

A CoglMatrixStack +
+
+
+
+

cogl_matrix_stack_load_identity ()

+
void                cogl_matrix_stack_load_identity     (CoglMatrixStack *stack);
+

+Resets the current matrix to the identity matrix. +

+
++++ + + + + +

stack :

A CoglMatrixStack +
+
+
+
+

cogl_matrix_stack_scale ()

+
void                cogl_matrix_stack_scale             (CoglMatrixStack *stack,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+

+Multiplies the current matrix by one that scales the x, y and z +axes by the given values. +

+
++++ + + + + + + + + + + + + + + + + + + +

stack :

A CoglMatrixStack +

x :

Amount to scale along the x-axis

y :

Amount to scale along the y-axis

z :

Amount to scale along the z-axis
+
+
+
+

cogl_matrix_stack_translate ()

+
void                cogl_matrix_stack_translate         (CoglMatrixStack *stack,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+

+Multiplies the current matrix by one that translates along all +three axes according to the given values. +

+
++++ + + + + + + + + + + + + + + + + + + +

stack :

A CoglMatrixStack +

x :

Distance to translate along the x-axis

y :

Distance to translate along the y-axis

z :

Distance to translate along the z-axis
+
+
+
+

cogl_matrix_stack_rotate ()

+
void                cogl_matrix_stack_rotate            (CoglMatrixStack *stack,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+

+Multiplies the current matrix by one that rotates the around the +axis-vector specified by x, y and z. The rotation follows the +right-hand thumb rule so for example rotating by 10 degrees about +the axis-vector (0, 0, 1) causes a small counter-clockwise +rotation. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

stack :

A CoglMatrixStack +

angle :

Angle in degrees to rotate.

x :

X-component of vertex to rotate around.

y :

Y-component of vertex to rotate around.

z :

Z-component of vertex to rotate around.
+
+
+
+

cogl_matrix_stack_rotate_quaternion ()

+
void                cogl_matrix_stack_rotate_quaternion (CoglMatrixStack *stack,
+                                                         const CoglQuaternion *quaternion);
+

+Multiplies the current matrix by one that rotates according to the +rotation described by quaternion. +

+
++++ + + + + + + + + + + +

stack :

A CoglMatrixStack +

quaternion :

A CoglQuaternion +
+
+
+
+

cogl_matrix_stack_rotate_euler ()

+
void                cogl_matrix_stack_rotate_euler      (CoglMatrixStack *stack,
+                                                         const CoglEuler *euler);
+

+Multiplies the current matrix by one that rotates according to the +rotation described by euler. +

+
++++ + + + + + + + + + + +

stack :

A CoglMatrixStack +

euler :

A CoglEuler +
+
+
+
+

cogl_matrix_stack_multiply ()

+
void                cogl_matrix_stack_multiply          (CoglMatrixStack *stack,
+                                                         const CoglMatrix *matrix);
+

+Multiplies the current matrix by the given matrix. +

+
++++ + + + + + + + + + + +

stack :

A CoglMatrixStack +

matrix :

the matrix to multiply with the current model-view
+
+
+
+

cogl_matrix_stack_frustum ()

+
void                cogl_matrix_stack_frustum           (CoglMatrixStack *stack,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);
+

+Replaces the current matrix with a perspective matrix for a given +viewing frustum defined by 4 side clip planes that all cross +through the origin and 2 near and far clip planes. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

stack :

A CoglMatrixStack +

left :

X position of the left clipping plane where it +intersects the near clipping plane

right :

X position of the right clipping plane where it +intersects the near clipping plane

bottom :

Y position of the bottom clipping plane where it +intersects the near clipping plane

top :

Y position of the top clipping plane where it intersects +the near clipping plane

z_near :

The distance to the near clipping plane (Must be positive)

z_far :

The distance to the far clipping plane (Must be positive)
+
+
+
+

cogl_matrix_stack_perspective ()

+
void                cogl_matrix_stack_perspective       (CoglMatrixStack *stack,
+                                                         float fov_y,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);
+

+Replaces the current matrix with a perspective matrix based on the +provided values. +

+

+

+
+

Note

You should be careful not to have too great a z_far / z_near +ratio since that will reduce the effectiveness of depth testing +since there wont be enough precision to identify the depth of +objects near to each other.
+

+

+
++++ + + + + + + + + + + + + + + + + + + + + + + +

stack :

A CoglMatrixStack +

fov_y :

Vertical field of view angle in degrees.

aspect :

The (width over height) aspect ratio for display

z_near :

The distance to the near clipping plane (Must be positive, +and must not be 0)

z_far :

The distance to the far clipping plane (Must be positive)
+
+
+
+

cogl_matrix_stack_orthographic ()

+
void                cogl_matrix_stack_orthographic      (CoglMatrixStack *stack,
+                                                         float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2,
+                                                         float near,
+                                                         float far);
+

+Replaces the current matrix with an orthographic projection matrix. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

stack :

A CoglMatrixStack +

x_1 :

The x coordinate for the first vertical clipping plane

y_1 :

The y coordinate for the first horizontal clipping plane

x_2 :

The x coordinate for the second vertical clipping plane

y_2 :

The y coordinate for the second horizontal clipping plane

near :

The distance to the near clipping +plane (will be negative if the plane is +behind the viewer)

far :

The distance to the far clipping +plane (will be negative if the plane is +behind the viewer)
+
+
+
+

cogl_matrix_stack_get_inverse ()

+
CoglBool            cogl_matrix_stack_get_inverse       (CoglMatrixStack *stack,
+                                                         CoglMatrix *inverse);
+

+Gets the inverse transform of the current matrix and uses it to +initialize a new CoglMatrix. +

+
++++ + + + + + + + + + + + + + + +

stack :

A CoglMatrixStack +

inverse :

The destination for a 4x4 inverse transformation matrix. [out] +

Returns :

 +TRUE if the inverse was successfully calculated or FALSE +for degenerate transformations that can't be inverted (in this case the +inverse matrix will simply be initialized with the identity matrix)
+
+
+
+

cogl_matrix_stack_get_entry ()

+
CoglMatrixEntry *   cogl_matrix_stack_get_entry         (CoglMatrixStack *stack);
+

+Gets a reference to the current transform represented by a +CoglMatrixEntry pointer. +

+

+

+
+

Note

The transform represented by a CoglMatrixEntry is +immutable.
+

+

+

+

+
+

Note

+CoglMatrixEntrys are reference counted using +cogl_matrix_entry_ref() and cogl_matrix_entry_unref() and you +should call cogl_matrix_entry_unref() when you are finished with +and entry you get via cogl_matrix_stack_get_entry().
+

+

+
++++ + + + + + + + + + + +

stack :

A CoglMatrixStack +

Returns :

A pointer to the CoglMatrixEntry +representing the current matrix stack transform. [transfer none] +
+
+
+
+

cogl_matrix_stack_get ()

+
CoglMatrix *        cogl_matrix_stack_get               (CoglMatrixStack *stack,
+                                                         CoglMatrix *matrix);
+

+Resolves the current stack transform into a CoglMatrix by +combining the operations that have been applied to build up the +current transform. +

+

+There are two possible ways that this function may return its +result depending on whether the stack is able to directly point +to an internal CoglMatrix or whether the result needs to be +composed of multiple operations. +

+

+If an internal matrix contains the required result then this +function will directly return a pointer to that matrix, otherwise +if the function returns NULL then matrix will be initialized +to match the current transform of stack. +

+

+

+
+

Note

+matrix will be left untouched if a direct pointer is +returned.
+

+

+
++++ + + + + + + + + + + + + + + +

stack :

A CoglMatrixStack +

matrix :

The potential destination for the current matrix. [out] +

Returns :

A direct pointer to the current transform or NULL +and in that case matrix will be initialized with +the value of the current transform.
+
+
+
+

cogl_matrix_entry_get ()

+
CoglMatrix *        cogl_matrix_entry_get               (CoglMatrixEntry *entry,
+                                                         CoglMatrix *matrix);
+

+Resolves the current entry transform into a CoglMatrix by +combining the sequence of operations that have been applied to +build up the current transform. +

+

+There are two possible ways that this function may return its +result depending on whether it's possible to directly point +to an internal CoglMatrix or whether the result needs to be +composed of multiple operations. +

+

+If an internal matrix contains the required result then this +function will directly return a pointer to that matrix, otherwise +if the function returns NULL then matrix will be initialized +to match the transform of entry. +

+

+

+
+

Note

+matrix will be left untouched if a direct pointer is +returned.
+

+

+
++++ + + + + + + + + + + + + + + +

entry :

A CoglMatrixEntry +

matrix :

The potential destination for the transform as +a matrix. [out] +

Returns :

A direct pointer to a CoglMatrix transform or NULL +and in that case matrix will be initialized with +the effective transform represented by entry.
+
+
+
+

cogl_matrix_stack_set ()

+
void                cogl_matrix_stack_set               (CoglMatrixStack *stack,
+                                                         const CoglMatrix *matrix);
+

+Replaces the current stack matrix value with the value of matrix. +This effectively discards any other operations that were applied +since the last time cogl_matrix_stack_push() was called or since +the stack was initialized. +

+
++++ + + + + + + + + + + +

stack :

A CoglMatrixStack +

matrix :

A CoglMatrix replace the current matrix value with
+
+
+
+

cogl_matrix_entry_calculate_translation ()

+
CoglBool            cogl_matrix_entry_calculate_translation
+                                                        (CoglMatrixEntry *entry0,
+                                                         CoglMatrixEntry *entry1,
+                                                         float *x,
+                                                         float *y,
+                                                         float *z);
+

+Determines if the only difference between two transforms is a +translation and if so returns what the x, y, and z components of +the translation are. +

+

+If the difference between the two translations involves anything +other than a translation then the function returns FALSE. +

+
++++ + + + + + + + + + + + + + + + + + + + + + + + + + + +

entry0 :

The first reference transform

entry1 :

A second reference transform

x :

The destination for the x-component of the translation. [out] +

y :

The destination for the y-component of the translation. [out] +

z :

The destination for the z-component of the translation. [out] +

Returns :

 +TRUE if the only difference between the transform of +entry0 and the transform of entry1 is a translation, +otherwise FALSE.
+
+
+
+

cogl_matrix_entry_is_identity ()

+
CoglBool            cogl_matrix_entry_is_identity       (CoglMatrixEntry *entry);
+

+Determines whether entry is known to represent an identity +transform. +

+

+If this returns TRUE then the entry is definitely the identity +matrix. If it returns FALSE it may or may not be the identity +matrix but no expensive comparison is performed to verify it. +

+
++++ + + + + + + + + + + +

entry :

A CoglMatrixEntry +

Returns :

 +TRUE if entry is definitely an identity transform, +otherwise FALSE.
+
+
+
+

cogl_matrix_entry_equal ()

+
CoglBool            cogl_matrix_entry_equal             (CoglMatrixEntry *entry0,
+                                                         CoglMatrixEntry *entry1);
+

+Compares two arbitrary CoglMatrixEntry transforms for equality +returning TRUE if they are equal or FALSE otherwise. +

+

+

+
+

Note

In many cases it is unnecessary to use this api and instead +direct pointer comparisons of entries are good enough and much +cheaper too.
+

+

+
++++ + + + + + + + + + + + + + + +

entry0 :

The first CoglMatrixEntry to compare

entry1 :

A second CoglMatrixEntry to compare

Returns :

 +TRUE if entry0 represents the same transform as +entry1, otherwise FALSE.
+
+
+
+

cogl_matrix_entry_ref ()

+
CoglMatrixEntry *   cogl_matrix_entry_ref               (CoglMatrixEntry *entry);
+

+Takes a reference on the given entry to ensure the entry stays +alive and remains valid. When you are finished with the entry then +you should call cogl_matrix_entry_unref(). +

+

+It is an error to pass an entry pointer to cogl_object_ref() and +cogl_object_unref() +

+
++++ + + + + +

entry :

A CoglMatrixEntry +
+
+
+
+

cogl_matrix_entry_unref ()

+
void                cogl_matrix_entry_unref             (CoglMatrixEntry *entry);
+

+Releases a reference on entry either taken by calling +cogl_matrix_entry_unref() or to release the reference given when +calling cogl_matrix_stack_get_entry(). +

+
++++ + + + + +

entry :

A CoglMatrixEntry +
+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Offscreen-Framebuffers.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Offscreen-Framebuffers.html new file mode 100644 index 0000000..758aca6 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Offscreen-Framebuffers.html @@ -0,0 +1,148 @@ + + + + +Offscreen Framebuffers + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Offscreen Framebuffers

+

Offscreen Framebuffers — Functions for creating and manipulating offscreen + framebuffers.

+
+
+

Synopsis

+
                    CoglOffscreen;
+CoglBool            cogl_is_offscreen                   (void *object);
+
+CoglOffscreen *     cogl_offscreen_new_with_texture     (CoglTexture *texture);
+
+
+
+

Description

+

+Cogl allows creating and operating on offscreen framebuffers. +

+
+
+

Details

+
+

CoglOffscreen

+
typedef struct _CoglOffscreen CoglOffscreen;
+
+
+
+

cogl_is_offscreen ()

+
CoglBool            cogl_is_offscreen                   (void *object);
+

+Determines whether the given CoglObject references an offscreen +framebuffer object. +

+
++++ + + + + + + + + + + +

object :

A pointer to a CoglObject +

Returns :

 +TRUE if object is a CoglOffscreen framebuffer, +FALSE otherwise
+
+
+
+

cogl_offscreen_new_with_texture ()

+
CoglOffscreen *     cogl_offscreen_new_with_texture     (CoglTexture *texture);
+

+This creates an offscreen framebuffer object using the given +texture as the primary color buffer. It doesn't just initialize +the contents of the offscreen buffer with the texture; they are +tightly bound so that drawing to the offscreen buffer effectively +updates the contents of the given texture. You don't need to +destroy the offscreen buffer before you can use the texture again. +

+

+

+
+

Note

This api only works with low-level CoglTexture types such as +CoglTexture2D, CoglTexture3D and CoglTextureRectangle, and not +with meta-texture types such as CoglTexture2DSliced.
+

+

+

+The storage for the framebuffer is actually allocated lazily +so this function will never return NULL to indicate a runtime +error. This means it is still possible to configure the framebuffer +before it is really allocated. +

+

+Simple applications without full error handling can simply rely on +Cogl to lazily allocate the storage of framebuffers but you should +be aware that if Cogl encounters an error (such as running out of +GPU memory) then your application will simply abort with an error +message. If you need to be able to catch such exceptions at runtime +then you can explicitly allocate your framebuffer when you have +finished configuring it by calling cogl_framebuffer_allocate() and +passing in a CoglError argument to catch any exceptions. +

+
++++ + + + + + + + + + + +

texture :

A CoglTexture pointer

Returns :

a newly instantiated CoglOffscreen +framebuffer. [transfer full] +
+
+
+
+
+
+ Generated by GTK-Doc V1.19.1
+ + \ No newline at end of file diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Path-Primitives.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Path-Primitives.html new file mode 100644 index 0000000..1595914 --- /dev/null +++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Path-Primitives.html @@ -0,0 +1,53 @@ + + + + +Path Primitives + + + + + + + + + + + + + + + + + + + +
+
+
+ + +
+

Path Primitives

+

Path Primitives

+
+
+

Synopsis

+

+

+

+
Description

+

+

+
Details

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Pipeline.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Pipeline.html
new file mode 100644
index 0000000..a94b8df
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Pipeline.html
@@ -0,0 +1,3052 @@
+
+
+
+
+Pipeline
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Pipeline

+
Pipeline — Functions for creating and manipulating the GPU
+                    pipeline

+

+

+
Synopsis

+
                    CoglPipeline;
+CoglPipeline *      cogl_pipeline_new                   (CoglContext *context);
+CoglPipeline *      cogl_pipeline_copy                  (CoglPipeline *source);
+CoglBool            cogl_is_pipeline                    (void *object);
+void                cogl_pipeline_set_color             (CoglPipeline *pipeline,
+                                                         const CoglColor *color);
+void                cogl_pipeline_set_color4ub          (CoglPipeline *pipeline,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);
+void                cogl_pipeline_set_color4f           (CoglPipeline *pipeline,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+void                cogl_pipeline_get_color             (CoglPipeline *pipeline,
+                                                         CoglColor *color);
+void                cogl_pipeline_set_ambient           (CoglPipeline *pipeline,
+                                                         const CoglColor *ambient);
+void                cogl_pipeline_get_ambient           (CoglPipeline *pipeline,
+                                                         CoglColor *ambient);
+void                cogl_pipeline_set_diffuse           (CoglPipeline *pipeline,
+                                                         const CoglColor *diffuse);
+void                cogl_pipeline_get_diffuse           (CoglPipeline *pipeline,
+                                                         CoglColor *diffuse);
+void                cogl_pipeline_set_ambient_and_diffuse
+                                                        (CoglPipeline *pipeline,
+                                                         const CoglColor *color);
+void                cogl_pipeline_set_emission          (CoglPipeline *pipeline,
+                                                         const CoglColor *emission);
+void                cogl_pipeline_get_emission          (CoglPipeline *pipeline,
+                                                         CoglColor *emission);
+void                cogl_pipeline_set_specular          (CoglPipeline *pipeline,
+                                                         const CoglColor *specular);
+void                cogl_pipeline_get_specular          (CoglPipeline *pipeline,
+                                                         CoglColor *specular);
+void                cogl_pipeline_set_shininess         (CoglPipeline *pipeline,
+                                                         float shininess);
+float               cogl_pipeline_get_shininess         (CoglPipeline *pipeline);
+enum                CoglPipelineAlphaFunc;
+void                cogl_pipeline_set_alpha_test_function
+                                                        (CoglPipeline *pipeline,
+                                                         CoglPipelineAlphaFunc alpha_func,
+                                                         float alpha_reference);
+#define             COGL_BLEND_STRING_ERROR
+enum                CoglBlendStringError;
+CoglBool            cogl_pipeline_set_blend             (CoglPipeline *pipeline,
+                                                         const char *blend_string,
+                                                         CoglError **error);
+void                cogl_pipeline_set_blend_constant    (CoglPipeline *pipeline,
+                                                         const CoglColor *constant_color);
+void                cogl_pipeline_set_point_size        (CoglPipeline *pipeline,
+                                                         float point_size);
+float               cogl_pipeline_get_point_size        (CoglPipeline *pipeline);
+CoglBool            cogl_pipeline_set_per_vertex_point_size
+                                                        (CoglPipeline *pipeline,
+                                                         CoglBool enable,
+                                                         CoglError **error);
+CoglBool            cogl_pipeline_get_per_vertex_point_size
+                                                        (CoglPipeline *pipeline);
+CoglColorMask       cogl_pipeline_get_color_mask        (CoglPipeline *pipeline);
+void                cogl_pipeline_set_color_mask        (CoglPipeline *pipeline,
+                                                         CoglColorMask color_mask);
+CoglBool            cogl_pipeline_set_depth_state       (CoglPipeline *pipeline,
+                                                         const CoglDepthState *state,
+                                                         CoglError **error);
+void                cogl_pipeline_get_depth_state       (CoglPipeline *pipeline,
+                                                         CoglDepthState *state_out);
+enum                CoglPipelineCullFaceMode;
+void                cogl_pipeline_set_cull_face_mode    (CoglPipeline *pipeline,
+                                                         CoglPipelineCullFaceMode cull_face_mode);
+enum                CoglWinding;
+void                cogl_pipeline_set_front_face_winding
+                                                        (CoglPipeline *pipeline,
+                                                         CoglWinding front_winding);
+void                cogl_pipeline_set_layer_texture     (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglTexture *texture);
+void                cogl_pipeline_set_layer_null_texture
+                                                        (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglTextureType texture_type);
+CoglTexture *       cogl_pipeline_get_layer_texture     (CoglPipeline *pipeline,
+                                                         int layer_index);
+enum                CoglPipelineFilter;
+void                cogl_pipeline_set_layer_filters     (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineFilter min_filter,
+                                                         CoglPipelineFilter mag_filter);
+CoglPipelineFilter  cogl_pipeline_get_layer_min_filter  (CoglPipeline *pipeline,
+                                                         int layer_index);
+CoglPipelineFilter  cogl_pipeline_get_layer_mag_filter  (CoglPipeline *pipeline,
+                                                         int layer_index);
+enum                CoglPipelineWrapMode;
+void                cogl_pipeline_set_layer_wrap_mode   (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineWrapMode mode);
+void                cogl_pipeline_set_layer_wrap_mode_s (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineWrapMode mode);
+void                cogl_pipeline_set_layer_wrap_mode_t (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineWrapMode mode);
+void                cogl_pipeline_set_layer_wrap_mode_p (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineWrapMode mode);
+CoglBool            cogl_pipeline_set_layer_combine     (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         const char *blend_string,
+                                                         CoglError **error);
+void                cogl_pipeline_set_layer_combine_constant
+                                                        (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         const CoglColor *constant);
+void                cogl_pipeline_set_layer_matrix      (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         const CoglMatrix *matrix);
+CoglBool            cogl_pipeline_set_layer_point_sprite_coords_enabled
+                                                        (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglBool enable,
+                                                         CoglError **error);
+CoglBool            cogl_pipeline_get_layer_point_sprite_coords_enabled
+                                                        (CoglPipeline *pipeline,
+                                                         int layer_index);
+void                cogl_pipeline_remove_layer          (CoglPipeline *pipeline,
+                                                         int layer_index);
+int                 cogl_pipeline_get_n_layers          (CoglPipeline *pipeline);
+CoglBool            (*CoglPipelineLayerCallback)        (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         void *user_data);
+void                cogl_pipeline_foreach_layer         (CoglPipeline *pipeline,
+                                                         CoglPipelineLayerCallback callback,
+                                                         void *user_data);
+int                 cogl_pipeline_get_uniform_location  (CoglPipeline *pipeline,
+                                                         const char *uniform_name);
+void                cogl_pipeline_set_uniform_1f        (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         float value);
+void                cogl_pipeline_set_uniform_1i        (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         int value);
+void                cogl_pipeline_set_uniform_float     (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         int n_components,
+                                                         int count,
+                                                         const float *value);
+void                cogl_pipeline_set_uniform_int       (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         int n_components,
+                                                         int count,
+                                                         const int *value);
+void                cogl_pipeline_set_uniform_matrix    (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         int dimensions,
+                                                         int count,
+                                                         CoglBool transpose,
+                                                         const float *value);
+void                cogl_pipeline_add_snippet           (CoglPipeline *pipeline,
+                                                         CoglSnippet *snippet);
+void                cogl_pipeline_add_layer_snippet     (CoglPipeline *pipeline,
+                                                         int layer,
+                                                         CoglSnippet *snippet);
+

+

+

+
Description

+

+Cogl allows creating and manipulating objects representing the full
+configuration of the GPU pipeline. In simplified terms the GPU
+pipeline takes primitive geometry as the input, it first performs
+vertex processing, allowing you to deform your geometry, then
+rasterizes that (turning it from pure geometry into fragments) then
+performs fragment processing including depth testing and texture
+mapping. Finally it blends the result with the framebuffer.
+

+

+

+
Details

+

+
CoglPipeline

+
typedef struct _CoglPipeline CoglPipeline;

+

+

+

+
cogl_pipeline_new ()

+
CoglPipeline *      cogl_pipeline_new                   (CoglContext *context);

+

+Allocates and initializes a default simple pipeline that will color
+a primitive white.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




context :
a CoglContext
+
Returns :
a pointer to a new CoglPipeline. [transfer full]
+

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_copy ()

+
CoglPipeline *      cogl_pipeline_copy                  (CoglPipeline *source);

+

+Creates a new pipeline with the configuration copied from the
+source pipeline.
+

+

+We would strongly advise developers to always aim to use
+cogl_pipeline_copy() instead of cogl_pipeline_new() whenever there will
+be any similarity between two pipelines. Copying a pipeline helps Cogl
+keep track of a pipelines ancestry which we may use to help minimize GPU
+state changes.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




source :
a CoglPipeline object to copy
Returns :
a pointer to the newly allocated CoglPipeline. [transfer full]
+

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_is_pipeline ()

+
CoglBool            cogl_is_pipeline                    (void *object);

+

+Gets whether the given object references an existing pipeline object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A CoglObject
+
Returns :

+TRUE if the object references a CoglPipeline,
+FALSE otherwise

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_color ()

+
void                cogl_pipeline_set_color             (CoglPipeline *pipeline,
+                                                         const CoglColor *color);

+

+Sets the basic color of the pipeline, used when no lighting is enabled.
+

+

+Note that if you don't add any layers to the pipeline then the color
+will be blended unmodified with the destination; the default blend
+expects premultiplied colors: for example, use (0.5, 0.0, 0.0, 0.5) for
+semi-transparent red. See cogl_color_premultiply().
+

+

+The default value is (1.0, 1.0, 1.0, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
color :
The components of the color

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_color4ub ()

+
void                cogl_pipeline_set_color4ub          (CoglPipeline *pipeline,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);

+

+Sets the basic color of the pipeline, used when no lighting is enabled.
+

+

+The default value is (0xff, 0xff, 0xff, 0xff)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
red :
The red component
green :
The green component
blue :
The blue component
alpha :
The alpha component

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_color4f ()

+
void                cogl_pipeline_set_color4f           (CoglPipeline *pipeline,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);

+

+Sets the basic color of the pipeline, used when no lighting is enabled.
+

+

+The default value is (1.0, 1.0, 1.0, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
red :
The red component
green :
The green component
blue :
The blue component
alpha :
The alpha component

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_color ()

+
void                cogl_pipeline_get_color             (CoglPipeline *pipeline,
+                                                         CoglColor *color);

+

+Retrieves the current pipeline color.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
color :
The location to store the color. [out]
+

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_ambient ()

+
void                cogl_pipeline_set_ambient           (CoglPipeline *pipeline,
+                                                         const CoglColor *ambient);

+

+Sets the pipeline's ambient color, in the standard OpenGL lighting
+model. The ambient color affects the overall color of the object.
+

+

+Since the diffuse color will be intense when the light hits the surface
+directly, the ambient will be most apparent where the light hits at a
+slant.
+

+

+The default value is (0.2, 0.2, 0.2, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
ambient :
The components of the desired ambient color

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_ambient ()

+
void                cogl_pipeline_get_ambient           (CoglPipeline *pipeline,
+                                                         CoglColor *ambient);

+

+Retrieves the current ambient color for pipeline
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
ambient :
The location to store the ambient color

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_diffuse ()

+
void                cogl_pipeline_set_diffuse           (CoglPipeline *pipeline,
+                                                         const CoglColor *diffuse);

+

+Sets the pipeline's diffuse color, in the standard OpenGL lighting
+model. The diffuse color is most intense where the light hits the
+surface directly - perpendicular to the surface.
+

+

+The default value is (0.8, 0.8, 0.8, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
diffuse :
The components of the desired diffuse color

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_diffuse ()

+
void                cogl_pipeline_get_diffuse           (CoglPipeline *pipeline,
+                                                         CoglColor *diffuse);

+

+Retrieves the current diffuse color for pipeline
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
diffuse :
The location to store the diffuse color

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_ambient_and_diffuse ()

+
void                cogl_pipeline_set_ambient_and_diffuse
+                                                        (CoglPipeline *pipeline,
+                                                         const CoglColor *color);

+

+Conveniently sets the diffuse and ambient color of pipeline at the same
+time. See cogl_pipeline_set_ambient() and cogl_pipeline_set_diffuse().
+

+

+The default ambient color is (0.2, 0.2, 0.2, 1.0)
+

+

+The default diffuse color is (0.8, 0.8, 0.8, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
color :
The components of the desired ambient and diffuse colors

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_emission ()

+
void                cogl_pipeline_set_emission          (CoglPipeline *pipeline,
+                                                         const CoglColor *emission);

+

+Sets the pipeline's emissive color, in the standard OpenGL lighting
+model. It will look like the surface is a light source emitting this
+color.
+

+

+The default value is (0.0, 0.0, 0.0, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
emission :
The components of the desired emissive color

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_emission ()

+
void                cogl_pipeline_get_emission          (CoglPipeline *pipeline,
+                                                         CoglColor *emission);

+

+Retrieves the pipelines current emission color.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
emission :
The location to store the emission color

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_specular ()

+
void                cogl_pipeline_set_specular          (CoglPipeline *pipeline,
+                                                         const CoglColor *specular);

+

+Sets the pipeline's specular color, in the standard OpenGL lighting
+model. The intensity of the specular color depends on the viewport
+position, and is brightest along the lines of reflection.
+

+

+The default value is (0.0, 0.0, 0.0, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
specular :
The components of the desired specular color

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_specular ()

+
void                cogl_pipeline_get_specular          (CoglPipeline *pipeline,
+                                                         CoglColor *specular);

+

+Retrieves the pipelines current specular color.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
specular :
The location to store the specular color

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_shininess ()

+
void                cogl_pipeline_set_shininess         (CoglPipeline *pipeline,
+                                                         float shininess);

+

+Sets the shininess of the pipeline, in the standard OpenGL lighting
+model, which determines the size of the specular highlights. A
+higher shininess will produce smaller highlights which makes the
+object appear more shiny.
+

+

+The default value is 0.0
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
shininess :
The desired shininess; must be >= 0.0

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_shininess ()

+
float               cogl_pipeline_get_shininess         (CoglPipeline *pipeline);

+

+Retrieves the pipelines current emission color.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
Returns :
The pipelines current shininess value

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
enum CoglPipelineAlphaFunc

+
typedef enum {
+  COGL_PIPELINE_ALPHA_FUNC_NEVER    = 0x0200,
+  COGL_PIPELINE_ALPHA_FUNC_LESS	    = 0x0201,
+  COGL_PIPELINE_ALPHA_FUNC_EQUAL    = 0x0202,
+  COGL_PIPELINE_ALPHA_FUNC_LEQUAL   = 0x0203,
+  COGL_PIPELINE_ALPHA_FUNC_GREATER  = 0x0204,
+  COGL_PIPELINE_ALPHA_FUNC_NOTEQUAL = 0x0205,
+  COGL_PIPELINE_ALPHA_FUNC_GEQUAL   = 0x0206,
+  COGL_PIPELINE_ALPHA_FUNC_ALWAYS   = 0x0207
+} CoglPipelineAlphaFunc;
+

+

+Alpha testing happens before blending primitives with the framebuffer and
+gives an opportunity to discard fragments based on a comparison with the
+incoming alpha value and a reference alpha value. The CoglPipelineAlphaFunc
+determines how the comparison is done.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_PIPELINE_ALPHA_FUNC_NEVER
Never let the fragment through.
+
COGL_PIPELINE_ALPHA_FUNC_LESS
Let the fragment through if the incoming
+  alpha value is less than the reference alpha value
+
COGL_PIPELINE_ALPHA_FUNC_EQUAL
Let the fragment through if the incoming
+  alpha value equals the reference alpha value
+
COGL_PIPELINE_ALPHA_FUNC_LEQUAL
Let the fragment through if the incoming
+  alpha value is less than or equal to the reference alpha value
+
COGL_PIPELINE_ALPHA_FUNC_GREATER
Let the fragment through if the incoming
+  alpha value is greater than the reference alpha value
+
COGL_PIPELINE_ALPHA_FUNC_NOTEQUAL
Let the fragment through if the incoming
+  alpha value does not equal the reference alpha value
+
COGL_PIPELINE_ALPHA_FUNC_GEQUAL
Let the fragment through if the incoming
+  alpha value is greater than or equal to the reference alpha value.
+
COGL_PIPELINE_ALPHA_FUNC_ALWAYS
Always let the fragment through.
+

+

+

+

+
cogl_pipeline_set_alpha_test_function ()

+
void                cogl_pipeline_set_alpha_test_function
+                                                        (CoglPipeline *pipeline,
+                                                         CoglPipelineAlphaFunc alpha_func,
+                                                         float alpha_reference);

+

+Before a primitive is blended with the framebuffer, it goes through an
+alpha test stage which lets you discard fragments based on the current
+alpha value. This function lets you change the function used to evaluate
+the alpha channel, and thus determine which fragments are discarded
+and which continue on to the blending stage.
+

+

+The default is COGL_PIPELINE_ALPHA_FUNC_ALWAYS
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
alpha_func :
A CoglPipelineAlphaFunc constant
alpha_reference :
A reference point that the chosen alpha function uses
+to compare incoming fragments to.

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
COGL_BLEND_STRING_ERROR

+
#define COGL_BLEND_STRING_ERROR (cogl_blend_string_error_quark ())
+

+

+CoglError domain for blend string parser errors
+

+
Since 1.0

+

+

+

+
enum CoglBlendStringError

+
typedef enum {
+ /*< prefix=COGL_BLEND_STRING_ERROR >*/
+  COGL_BLEND_STRING_ERROR_PARSE_ERROR,
+  COGL_BLEND_STRING_ERROR_ARGUMENT_PARSE_ERROR,
+  COGL_BLEND_STRING_ERROR_INVALID_ERROR,
+  COGL_BLEND_STRING_ERROR_GPU_UNSUPPORTED_ERROR
+} CoglBlendStringError;
+

+

+Error enumeration for the blend strings parser
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_BLEND_STRING_ERROR_PARSE_ERROR
Generic parse error
+
COGL_BLEND_STRING_ERROR_ARGUMENT_PARSE_ERROR
Argument parse error
+
COGL_BLEND_STRING_ERROR_INVALID_ERROR
Internal parser error
+
COGL_BLEND_STRING_ERROR_GPU_UNSUPPORTED_ERROR
Blend string not
+  supported by the GPU
+

+
Since 1.0

+

+

+

+
cogl_pipeline_set_blend ()

+
CoglBool            cogl_pipeline_set_blend             (CoglPipeline *pipeline,
+                                                         const char *blend_string,
+                                                         CoglError **error);

+

+If not already familiar; please refer here
+for an overview of what blend strings are, and their syntax.
+

+

+Blending occurs after the alpha test function, and combines fragments with
+the framebuffer.
+

+

+Currently the only blend function Cogl exposes is ADD(). So any valid
+blend statements will be of the form:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+<channel-mask>=ADD(SRC_COLOR*(<factor>), DST_COLOR*(<factor>))

+

+
+

+

+

+This is the list of source-names usable as blend factors:
+

+

+

+

+

+The source names can be used according to the
+color-source and factor syntax,
+so for example "(1-SRC_COLOR[A])" would be a valid factor, as would
+"(CONSTANT[RGB])"
+

+

+These can also be used as factors:
+

+
    
+
  • 0: (0, 0, 0, 0)
    • 
+
  • 1: (1, 1, 1, 1)
    • 
+
  • SRC_ALPHA_SATURATE_FACTOR: (f,f,f,1) where f = MIN(SRC_COLOR[A],1-DST_COLOR[A])
    • 
+

+

+

+

+

+

+
Note
Remember; all color components are normalized to the range [0, 1]
+before computing the result of blending.

+

+

+

+

+

+
Example 1. Blend Strings/1

+

+
Blend a non-premultiplied source over a destination with
+  premultiplied alpha:

+
+"RGB = ADD(SRC_COLOR*(SRC_COLOR[A]), DST_COLOR*(1-SRC_COLOR[A]))"
+"A   = ADD(SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))"
+  

+

+

+


+

+

+

+

+
Example 2. Blend Strings/2

+

+
Blend a premultiplied source over a destination with
+  premultiplied alpha

+
+"RGBA = ADD(SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))"
+  

+

+

+


+

+

+The default blend string is:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+RGBA = ADD (SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))

+

+
+

+

+

+That gives normal alpha-blending when the calculated color for the pipeline
+is in premultiplied form.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
blend_string :
A Cogl blend string
+describing the desired blend function.
error :
return location for a CoglError that may report lack of driver
+support if you give separate blend string statements for the alpha
+channel and RGB channels since some drivers, or backends such as
+GLES 1.1, don't support this feature. May be NULL, in which case a
+warning will be printed out using GLib's logging facilities if an
+error is encountered.
Returns :

+TRUE if the blend string was successfully parsed, and the
+described blending is supported by the underlying driver/hardware. If
+there was an error, FALSE is returned and error is set accordingly (if
+present).

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_blend_constant ()

+
void                cogl_pipeline_set_blend_constant    (CoglPipeline *pipeline,
+                                                         const CoglColor *constant_color);

+

+When blending is setup to reference a CONSTANT blend factor then
+blending will depend on the constant set with this function.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
constant_color :
The constant color you want

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_point_size ()

+
void                cogl_pipeline_set_point_size        (CoglPipeline *pipeline,
+                                                         float point_size);

+

+Changes the size of points drawn when COGL_VERTICES_MODE_POINTS is
+used with the attribute buffer API. Note that typically the GPU
+will only support a limited minimum and maximum range of point
+sizes. If the chosen point size is outside that range then the
+nearest value within that range will be used instead. The size of a
+point is in screen space so it will be the same regardless of any
+transformations.
+

+

+If the point size is set to 0.0 then drawing points with the
+pipeline will have undefined results. This is the default value so
+if an application wants to draw points it must make sure to use a
+pipeline that has an explicit point size set on it.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
a CoglPipeline pointer
point_size :
the new point size.

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_point_size ()

+
float               cogl_pipeline_get_point_size        (CoglPipeline *pipeline);

+

+Get the size of points drawn when COGL_VERTICES_MODE_POINTS is
+used with the vertex buffer API.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
a CoglPipeline pointer
Returns :
the point size of the pipeline.

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_per_vertex_point_size ()

+
CoglBool            cogl_pipeline_set_per_vertex_point_size
+                                                        (CoglPipeline *pipeline,
+                                                         CoglBool enable,
+                                                         CoglError **error);

+

+Sets whether to use a per-vertex point size or to use the value set
+by cogl_pipeline_set_point_size(). If per-vertex point size is
+enabled then the point size can be set for an individual point
+either by drawing with a CoglAttribute with the name
+‘cogl_point_size_in’ or by writing to the GLSL builtin
+‘cogl_point_size_out’ from a vertex shader snippet.
+

+

+If per-vertex point size is enabled and this attribute is not used
+and cogl_point_size_out is not written to then the results are
+undefined.
+

+

+Note that enabling this will only work if the
+COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE feature is available. If
+this is not available then the function will return FALSE and set
+a CoglError.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
a CoglPipeline pointer
enable :
whether to enable per-vertex point size
error :
a location to store a CoglError if the change failed
Returns :

+TRUE if the change suceeded or FALSE otherwise

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_per_vertex_point_size ()

+
CoglBool            cogl_pipeline_get_per_vertex_point_size
+                                                        (CoglPipeline *pipeline);

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
a CoglPipeline pointer
Returns :

+TRUE if the pipeline has per-vertex point size
+enabled or FALSE otherwise. The per-vertex point size can be
+enabled with cogl_pipeline_set_per_vertex_point_size().

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_color_mask ()

+
CoglColorMask       cogl_pipeline_get_color_mask        (CoglPipeline *pipeline);

+

+Gets the current CoglColorMask of which channels would be written to the
+current framebuffer. Each bit set in the mask means that the
+corresponding color would be written.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
a CoglPipeline object.
Returns :
A CoglColorMask
+

+
Since 1.8

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_color_mask ()

+
void                cogl_pipeline_set_color_mask        (CoglPipeline *pipeline,
+                                                         CoglColorMask color_mask);

+

+Defines a bit mask of which color channels should be written to the
+current framebuffer. If a bit is set in color_mask that means that
+color will be written.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
a CoglPipeline object.
color_mask :
A CoglColorMask of which color channels to write to
+the current framebuffer.

+
Since 1.8

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_depth_state ()

+
CoglBool            cogl_pipeline_set_depth_state       (CoglPipeline *pipeline,
+                                                         const CoglDepthState *state,
+                                                         CoglError **error);

+

+This commits all the depth state configured in state struct to the
+given pipeline. The configuration values are copied into the
+pipeline so there is no requirement to keep the CoglDepthState
+struct around if you don't need it any more.
+

+

+Note: Since some platforms do not support the depth range feature
+it is possible for this function to fail and report an error.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
state :
A CoglDepthState struct
error :
A CoglError to report failures to setup the given state.
Returns :
TRUE if the GPU supports all the given state else FALSE
+and returns an error.

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_depth_state ()

+
void                cogl_pipeline_get_depth_state       (CoglPipeline *pipeline,
+                                                         CoglDepthState *state_out);

+

+Retrieves the current depth state configuration for the given
+pipeline as previously set using cogl_pipeline_set_depth_state().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
state_out :
A destination CoglDepthState struct. [out]
+

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
enum CoglPipelineCullFaceMode

+
typedef enum {
+  COGL_PIPELINE_CULL_FACE_MODE_NONE,
+  COGL_PIPELINE_CULL_FACE_MODE_FRONT,
+  COGL_PIPELINE_CULL_FACE_MODE_BACK,
+  COGL_PIPELINE_CULL_FACE_MODE_BOTH
+} CoglPipelineCullFaceMode;
+

+

+Specifies which faces should be culled. This can be set on a
+pipeline using cogl_pipeline_set_cull_face_mode().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_PIPELINE_CULL_FACE_MODE_NONE
Neither face will be
+ culled. This is the default.
+
COGL_PIPELINE_CULL_FACE_MODE_FRONT
Front faces will be culled.
+
COGL_PIPELINE_CULL_FACE_MODE_BACK
Back faces will be culled.
+
COGL_PIPELINE_CULL_FACE_MODE_BOTH
All faces will be culled.
+

+

+

+

+
cogl_pipeline_set_cull_face_mode ()

+
void                cogl_pipeline_set_cull_face_mode    (CoglPipeline *pipeline,
+                                                         CoglPipelineCullFaceMode cull_face_mode);

+

+Sets which faces will be culled when drawing. Face culling can be
+used to increase efficiency by avoiding drawing faces that would
+get overridden. For example, if a model has gaps so that it is
+impossible to see the inside then faces which are facing away from
+the screen will never be seen so there is no point in drawing
+them. This can be acheived by setting the cull face mode to
+COGL_PIPELINE_CULL_FACE_MODE_BACK.
+

+

+Face culling relies on the primitives being drawn with a specific
+order to represent which faces are facing inside and outside the
+model. This order can be specified by calling
+cogl_pipeline_set_front_face_winding().
+

+

+Status: Unstable
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline
+
cull_face_mode :
The new mode to set

+
Since 2.0

+

+

+

+
enum CoglWinding

+
typedef enum {
+  COGL_WINDING_CLOCKWISE,
+  COGL_WINDING_COUNTER_CLOCKWISE
+} CoglWinding;
+

+

+Enum used to represent the two directions of rotation. This can be
+used to set the front face for culling by calling
+cogl_pipeline_set_front_face_winding().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




COGL_WINDING_CLOCKWISE
Vertices are in a clockwise order
+
COGL_WINDING_COUNTER_CLOCKWISE
Vertices are in a counter-clockwise order
+

+

+

+

+
cogl_pipeline_set_front_face_winding ()

+
void                cogl_pipeline_set_front_face_winding
+                                                        (CoglPipeline *pipeline,
+                                                         CoglWinding front_winding);

+

+The order of the vertices within a primitive specifies whether it
+is considered to be front or back facing. This function specifies
+which order is considered to be the front
+faces. COGL_WINDING_COUNTER_CLOCKWISE sets the front faces to
+primitives with vertices in a counter-clockwise order and
+COGL_WINDING_CLOCKWISE sets them to be clockwise. The default is
+COGL_WINDING_COUNTER_CLOCKWISE.
+

+

+Status: Unstable
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
a CoglPipeline
+
front_winding :
the winding order

+
Since 2.0

+

+

+

+
cogl_pipeline_set_layer_texture ()

+
void                cogl_pipeline_set_layer_texture     (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglTexture *texture);

+

+

+

+
cogl_pipeline_set_layer_null_texture ()

+
void                cogl_pipeline_set_layer_null_texture
+                                                        (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglTextureType texture_type);

+

+Sets the texture for this layer to be the default texture for the
+given type. This is equivalent to calling
+cogl_pipeline_set_layer_texture() with NULL for the texture
+argument except that you can also specify the type of default
+texture to use. The default texture is a 1x1 pixel white texture.
+

+

+This function is mostly useful if you want to create a base
+pipeline that you want to create multiple copies from using
+cogl_pipeline_copy(). In that case this function can be used to
+specify the texture type so that any pipeline copies can share the
+internal texture type state for efficiency.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline
+
layer_index :
The layer number to modify
texture_type :
The type of the default texture to use

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_layer_texture ()

+
CoglTexture *       cogl_pipeline_get_layer_texture     (CoglPipeline *pipeline,
+                                                         int layer_index);

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the index of the layer
Returns :
the texture that was set for the
+given layer of the pipeline or NULL if no texture was set. [transfer none]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
enum CoglPipelineFilter

+
typedef enum {
+  COGL_PIPELINE_FILTER_NEAREST = 0x2600,
+  COGL_PIPELINE_FILTER_LINEAR = 0x2601,
+  COGL_PIPELINE_FILTER_NEAREST_MIPMAP_NEAREST = 0x2700,
+  COGL_PIPELINE_FILTER_LINEAR_MIPMAP_NEAREST = 0x2701,
+  COGL_PIPELINE_FILTER_NEAREST_MIPMAP_LINEAR = 0x2702,
+  COGL_PIPELINE_FILTER_LINEAR_MIPMAP_LINEAR = 0x2703
+} CoglPipelineFilter;
+

+

+Texture filtering is used whenever the current pixel maps either to more
+than one texture element (texel) or less than one. These filter enums
+correspond to different strategies used to come up with a pixel color, by
+possibly referring to multiple neighbouring texels and taking a weighted
+average or simply using the nearest texel.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_PIPELINE_FILTER_NEAREST
Measuring in manhatten distance from the,
+  current pixel center, use the nearest texture texel
+
COGL_PIPELINE_FILTER_LINEAR
Use the weighted average of the 4 texels
+  nearest the current pixel center
+
COGL_PIPELINE_FILTER_NEAREST_MIPMAP_NEAREST
Select the mimap level whose
+  texel size most closely matches the current pixel, and use the
+  COGL_PIPELINE_FILTER_NEAREST criterion
+
COGL_PIPELINE_FILTER_LINEAR_MIPMAP_NEAREST
Select the mimap level whose
+  texel size most closely matches the current pixel, and use the
+  COGL_PIPELINE_FILTER_LINEAR criterion
+
COGL_PIPELINE_FILTER_NEAREST_MIPMAP_LINEAR
Select the two mimap levels
+  whose texel size most closely matches the current pixel, use
+  the COGL_PIPELINE_FILTER_NEAREST criterion on each one and take
+  their weighted average
+
COGL_PIPELINE_FILTER_LINEAR_MIPMAP_LINEAR
Select the two mimap levels
+  whose texel size most closely matches the current pixel, use
+  the COGL_PIPELINE_FILTER_LINEAR criterion on each one and take
+  their weighted average
+

+

+

+

+
cogl_pipeline_set_layer_filters ()

+
void                cogl_pipeline_set_layer_filters     (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineFilter min_filter,
+                                                         CoglPipelineFilter mag_filter);

+

+Changes the decimation and interpolation filters used when a texture is
+drawn at other scales than 100%.
+

+

+

+

+
Note
It is an error to pass anything other than
+COGL_PIPELINE_FILTER_NEAREST or COGL_PIPELINE_FILTER_LINEAR as
+magnification filters since magnification doesn't ever need to
+reference values stored in the mipmap chain.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the layer number to change.
min_filter :
the filter used when scaling a texture down.
mag_filter :
the filter used when magnifying a texture.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_layer_min_filter ()

+
CoglPipelineFilter  cogl_pipeline_get_layer_min_filter  (CoglPipeline *pipeline,
+                                                         int layer_index);

+

+Retrieves the currently set minification CoglPipelineFilter set on
+the specified layer. The miniifcation filter determines how the
+layer should be sampled when down-scaled.
+

+

+The default filter is COGL_PIPELINE_FILTER_LINEAR but this can be
+changed using cogl_pipeline_set_layer_filters().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the layer number to change.
Returns :
The minification CoglPipelineFilter for the
+specified layer.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_layer_mag_filter ()

+
CoglPipelineFilter  cogl_pipeline_get_layer_mag_filter  (CoglPipeline *pipeline,
+                                                         int layer_index);

+

+Retrieves the currently set magnification CoglPipelineFilter set on
+the specified layer. The magnification filter determines how the
+layer should be sampled when up-scaled.
+

+

+The default filter is COGL_PIPELINE_FILTER_LINEAR but this can be
+changed using cogl_pipeline_set_layer_filters().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the layer number to change.
Returns :
The magnification CoglPipelineFilter for the
+specified layer.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
enum CoglPipelineWrapMode

+
typedef enum {
+  COGL_PIPELINE_WRAP_MODE_REPEAT = 0x2901,
+  COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT = 0x8370,
+  COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE = 0x812F,
+  COGL_PIPELINE_WRAP_MODE_AUTOMATIC = 0x0207 /* GL_ALWAYS */
+} CoglPipelineWrapMode;
+

+

+The wrap mode specifies what happens when texture coordinates
+outside the range 0→1 are used. Note that if the filter mode is
+anything but COGL_PIPELINE_FILTER_NEAREST then texels outside the
+range 0→1 might be used even when the coordinate is exactly 0 or 1
+because OpenGL will try to sample neighbouring pixels. For example
+if you are trying to render the full texture then you may get
+artifacts around the edges when the pixels from the other side are
+merged in if the wrap mode is set to repeat.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_PIPELINE_WRAP_MODE_REPEAT
The texture will be repeated. This
+  is useful for example to draw a tiled background.
+
COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT
COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE
The coordinates outside the
+  range 0→1 will sample copies of the edge pixels of the
+  texture. This is useful to avoid artifacts if only one copy of
+  the texture is being rendered.
+
COGL_PIPELINE_WRAP_MODE_AUTOMATIC
Cogl will try to automatically
+  decide which of the above two to use. For cogl_rectangle(), it
+  will use repeat mode if any of the texture coordinates are
+  outside the range 0→1, otherwise it will use clamp to edge. For
+  cogl_polygon() it will always use repeat mode. For
+  cogl_vertex_buffer_draw() it will use repeat mode except for
+  layers that have point sprite coordinate generation enabled. This
+  is the default value.
+

+
Since 2.0

+

+

+

+
cogl_pipeline_set_layer_wrap_mode ()

+
void                cogl_pipeline_set_layer_wrap_mode   (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineWrapMode mode);

+

+Sets the wrap mode for all three coordinates of texture lookups on
+this layer. This is equivalent to calling
+cogl_pipeline_set_layer_wrap_mode_s(),
+cogl_pipeline_set_layer_wrap_mode_t() and
+cogl_pipeline_set_layer_wrap_mode_p() separately.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the layer number to change.
mode :
the new wrap mode

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_layer_wrap_mode_s ()

+
void                cogl_pipeline_set_layer_wrap_mode_s (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineWrapMode mode);

+

+Sets the wrap mode for the 's' coordinate of texture lookups on this layer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the layer number to change.
mode :
the new wrap mode

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_layer_wrap_mode_t ()

+
void                cogl_pipeline_set_layer_wrap_mode_t (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineWrapMode mode);

+

+Sets the wrap mode for the 't' coordinate of texture lookups on this layer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the layer number to change.
mode :
the new wrap mode

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_layer_wrap_mode_p ()

+
void                cogl_pipeline_set_layer_wrap_mode_p (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglPipelineWrapMode mode);

+

+Sets the wrap mode for the 'p' coordinate of texture lookups on
+this layer. 'p' is the third coordinate.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the layer number to change.
mode :
the new wrap mode

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_layer_combine ()

+
CoglBool            cogl_pipeline_set_layer_combine     (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         const char *blend_string,
+                                                         CoglError **error);

+

+If not already familiar; you can refer
+here for an overview of what blend
+strings are and there syntax.
+

+

+These are all the functions available for texture combining:
+

+
    
+
  • REPLACE(arg0) = arg0
    • 
+
  • MODULATE(arg0, arg1) = arg0 x arg1
    • 
+
  • ADD(arg0, arg1) = arg0 + arg1
    • 
+
  • ADD_SIGNED(arg0, arg1) = arg0 + arg1 - 0.5
    • 
+
  • INTERPOLATE(arg0, arg1, arg2) = arg0 x arg2 + arg1 x (1 - arg2)
    • 
+
  • SUBTRACT(arg0, arg1) = arg0 - arg1
    • 
+
  • + DOT3_RGB(arg0, arg1) = 4 x ((arg0[R] - 0.5)) * (arg1[R] - 0.5) +
+                             (arg0[G] - 0.5)) * (arg1[G] - 0.5) +
+                             (arg0[B] - 0.5)) * (arg1[B] - 0.5))
+    
    • 
+
  • + DOT3_RGBA(arg0, arg1) = 4 x ((arg0[R] - 0.5)) * (arg1[R] - 0.5) +
+                              (arg0[G] - 0.5)) * (arg1[G] - 0.5) +
+                              (arg0[B] - 0.5)) * (arg1[B] - 0.5))
+    
    • 
+

+

+

+

+Refer to the
+color-source syntax for
+describing the arguments. The valid source names for texture combining
+are:
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




TEXTURE
Use the color from the current texture layer
TEXTURE_0, TEXTURE_1, etc
Use the color from the specified texture layer
CONSTANT
Use the color from the constant given with
+    cogl_pipeline_set_layer_combine_constant()
+
PRIMARY
Use the color of the pipeline as set with
+    cogl_pipeline_set_color()
+
PREVIOUS
Either use the texture color from the previous layer, or
+    if this is layer 0, use the color of the pipeline as set with
+    cogl_pipeline_set_color()
+

+

+

+

+

+

+
Layer Combine Examples

+
This is effectively what the default blending is:

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+RGBA = MODULATE (PREVIOUS, TEXTURE)

+

+
+
This could be used to cross-fade between two images, using
+  the alpha component of a constant as the interpolator. The constant
+  color is given by calling
+  cogl_pipeline_set_layer_combine_constant().

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+RGBA = INTERPOLATE (PREVIOUS, TEXTURE, CONSTANT[A])

+

+
+

+

+

+

+

+

+
Note
You can't give a multiplication factor for arguments as you can
+with blending.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
Specifies the layer you want define a combine function for
blend_string :
A Cogl blend string
+describing the desired texture combine function.
error :
A CoglError that may report parse errors or lack of GPU/driver
+support. May be NULL, in which case a warning will be printed out if an
+error is encountered.
Returns :

+TRUE if the blend string was successfully parsed, and the
+described texture combining is supported by the underlying driver and
+or hardware. On failure, FALSE is returned and error is set

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_layer_combine_constant ()

+
void                cogl_pipeline_set_layer_combine_constant
+                                                        (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         const CoglColor *constant);

+

+When you are using the 'CONSTANT' color source in a layer combine
+description then you can use this function to define its value.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
Specifies the layer you want to specify a constant used
+for texture combining
constant :
The constant color you want

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_layer_matrix ()

+
void                cogl_pipeline_set_layer_matrix      (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         const CoglMatrix *matrix);

+

+This function lets you set a matrix that can be used to e.g. translate
+and rotate a single layer of a pipeline used to fill your geometry.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the index for the layer inside pipeline
+
matrix :
the transformation matrix for the layer

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_layer_point_sprite_coords_enabled ()

+
CoglBool            cogl_pipeline_set_layer_point_sprite_coords_enabled
+                                                        (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         CoglBool enable,
+                                                         CoglError **error);

+

+When rendering points, if enable is TRUE then the texture
+coordinates for this layer will be replaced with coordinates that
+vary from 0.0 to 1.0 across the primitive. The top left of the
+point will have the coordinates 0.0,0.0 and the bottom right will
+have 1.0,1.0. If enable is FALSE then the coordinates will be
+fixed for the entire point.
+

+

+This function will only work if COGL_FEATURE_ID_POINT_SPRITE is
+available. If the feature is not available then the function will
+return FALSE and set error.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the layer number to change.
enable :
whether to enable point sprite coord generation.
error :
A return location for a CoglError, or NULL to ignore errors.
Returns :

+TRUE if the function succeeds, FALSE otherwise.

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_layer_point_sprite_coords_enabled ()

+
CoglBool            cogl_pipeline_get_layer_point_sprite_coords_enabled
+                                                        (CoglPipeline *pipeline,
+                                                         int layer_index);

+

+Gets whether point sprite coordinate generation is enabled for this
+texture layer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
the layer number to check.
Returns :
whether the texture coordinates will be replaced with
+point sprite coordinates.

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_remove_layer ()

+
void                cogl_pipeline_remove_layer          (CoglPipeline *pipeline,
+                                                         int layer_index);

+

+This function removes a layer from your pipeline
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
layer_index :
Specifies the layer you want to remove

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_n_layers ()

+
int                 cogl_pipeline_get_n_layers          (CoglPipeline *pipeline);

+

+Retrieves the number of layers defined for the given pipeline
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
Returns :
the number of layers

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
CoglPipelineLayerCallback ()

+
CoglBool            (*CoglPipelineLayerCallback)        (CoglPipeline *pipeline,
+                                                         int layer_index,
+                                                         void *user_data);

+

+The callback prototype used with cogl_pipeline_foreach_layer() for
+iterating all the layers of a pipeline.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
The CoglPipeline whos layers are being iterated
layer_index :
The current layer index
user_data :
The private data passed to cogl_pipeline_foreach_layer()
+

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_foreach_layer ()

+
void                cogl_pipeline_foreach_layer         (CoglPipeline *pipeline,
+                                                         CoglPipelineLayerCallback callback,
+                                                         void *user_data);

+

+Iterates all the layer indices of the given pipeline.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
callback :
A CoglPipelineLayerCallback to be
+called for each layer index. [scope call]
+
user_data :
Private data that will be passed to the
+callback. [closure]
+

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_get_uniform_location ()

+
int                 cogl_pipeline_get_uniform_location  (CoglPipeline *pipeline,
+                                                         const char *uniform_name);

+

+This is used to get an integer representing the uniform with the
+name uniform_name. The integer can be passed to functions such as
+cogl_pipeline_set_uniform_1f() to set the value of a uniform.
+

+

+This function will always return a valid integer. Ie, unlike
+OpenGL, it does not return -1 if the uniform is not available in
+this pipeline so it can not be used to test whether uniforms are
+present. It is not necessary to set the program on the pipeline
+before calling this function.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
uniform_name :
The name of a uniform
Returns :
A integer representing the location of the given uniform.

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_uniform_1f ()

+
void                cogl_pipeline_set_uniform_1f        (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         float value);

+

+Sets a new value for the uniform at uniform_location. If this
+pipeline has a user program attached and is later used as a source
+for drawing, the given value will be assigned to the uniform which
+can be accessed from the shader's source. The value for
+uniform_location should be retrieved from the string name of the
+uniform by calling cogl_pipeline_get_uniform_location().
+

+

+This function should be used to set uniforms that are of type
+float. It can also be used to set a single member of a float array
+uniform.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
uniform_location :
The uniform's location identifier
value :
The new value for the uniform

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_uniform_1i ()

+
void                cogl_pipeline_set_uniform_1i        (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         int value);

+

+Sets a new value for the uniform at uniform_location. If this
+pipeline has a user program attached and is later used as a source
+for drawing, the given value will be assigned to the uniform which
+can be accessed from the shader's source. The value for
+uniform_location should be retrieved from the string name of the
+uniform by calling cogl_pipeline_get_uniform_location().
+

+

+This function should be used to set uniforms that are of type
+int. It can also be used to set a single member of a int array
+uniform or a sampler uniform.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
uniform_location :
The uniform's location identifier
value :
The new value for the uniform

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_uniform_float ()

+
void                cogl_pipeline_set_uniform_float     (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         int n_components,
+                                                         int count,
+                                                         const float *value);

+

+Sets new values for the uniform at uniform_location. If this
+pipeline has a user program attached and is later used as a source
+for drawing, the given values will be assigned to the uniform which
+can be accessed from the shader's source. The value for
+uniform_location should be retrieved from the string name of the
+uniform by calling cogl_pipeline_get_uniform_location().
+

+

+This function can be used to set any floating point type uniform,
+including float arrays and float vectors. For example, to set a
+single vec4 uniform you would use 4 for n_components and 1 for
+count. To set an array of 8 float values, you could use 1 for
+n_components and 8 for count.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
uniform_location :
The uniform's location identifier
n_components :
The number of components in the corresponding uniform's type
count :
The number of values to set
value :
Pointer to the new values to set

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_uniform_int ()

+
void                cogl_pipeline_set_uniform_int       (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         int n_components,
+                                                         int count,
+                                                         const int *value);

+

+Sets new values for the uniform at uniform_location. If this
+pipeline has a user program attached and is later used as a source
+for drawing, the given values will be assigned to the uniform which
+can be accessed from the shader's source. The value for
+uniform_location should be retrieved from the string name of the
+uniform by calling cogl_pipeline_get_uniform_location().
+

+

+This function can be used to set any integer type uniform,
+including int arrays and int vectors. For example, to set a single
+ivec4 uniform you would use 4 for n_components and 1 for
+count. To set an array of 8 int values, you could use 1 for
+n_components and 8 for count.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
uniform_location :
The uniform's location identifier
n_components :
The number of components in the corresponding uniform's type
count :
The number of values to set
value :
Pointer to the new values to set

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_set_uniform_matrix ()

+
void                cogl_pipeline_set_uniform_matrix    (CoglPipeline *pipeline,
+                                                         int uniform_location,
+                                                         int dimensions,
+                                                         int count,
+                                                         CoglBool transpose,
+                                                         const float *value);

+

+Sets new values for the uniform at uniform_location. If this
+pipeline has a user program attached and is later used as a source
+for drawing, the given values will be assigned to the uniform which
+can be accessed from the shader's source. The value for
+uniform_location should be retrieved from the string name of the
+uniform by calling cogl_pipeline_get_uniform_location().
+

+

+This function can be used to set any matrix type uniform, including
+matrix arrays. For example, to set a single mat4 uniform you would
+use 4 for dimensions and 1 for count. To set an array of 8
+mat3 values, you could use 3 for dimensions and 8 for count.
+

+

+If transpose is FALSE then the matrix is expected to be in
+column-major order or if it is TRUE then the matrix is in
+row-major order. You can pass a CoglMatrix by calling by passing
+the result of cogl_matrix_get_array() in value and setting
+transpose to FALSE.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline object
uniform_location :
The uniform's location identifier
dimensions :
The size of the matrix
count :
The number of values to set
transpose :
Whether to transpose the matrix
value :
Pointer to the new values to set

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_add_snippet ()

+
void                cogl_pipeline_add_snippet           (CoglPipeline *pipeline,
+                                                         CoglSnippet *snippet);

+

+Adds a shader snippet to pipeline. The snippet will wrap around or
+replace some part of the pipeline as defined by the hook point in
+snippet. Note that some hook points are specific to a layer and
+must be added with cogl_pipeline_add_layer_snippet() instead.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline
+
snippet :
The CoglSnippet to add to the vertex processing hook

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_pipeline_add_layer_snippet ()

+
void                cogl_pipeline_add_layer_snippet     (CoglPipeline *pipeline,
+                                                         int layer,
+                                                         CoglSnippet *snippet);

+

+Adds a shader snippet that will hook on to the given layer of the
+pipeline. The exact part of the pipeline that the snippet wraps
+around depends on the hook that is given to
+cogl_snippet_new(). Note that some hooks can't be used with a layer
+and need to be added with cogl_pipeline_add_snippet() instead.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




pipeline :
A CoglPipeline
+
layer :
The layer to hook the snippet to
snippet :
A CoglSnippet
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Primitives.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Primitives.html
new file mode 100644
index 0000000..b9c68eb
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Primitives.html
@@ -0,0 +1,1828 @@
+
+
+
+
+Primitives
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Primitives

+
Primitives — Functions for creating, manipulating and drawing
+   primitives

+

+

+
Synopsis

+
                    CoglPrimitive;
+CoglPrimitive *     cogl_primitive_new                  (CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         ...);
+CoglPrimitive *     cogl_primitive_new_with_attributes  (CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         CoglAttribute **attributes,
+                                                         int n_attributes);
+CoglPrimitive *     cogl_primitive_new_p2               (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP2 *data);
+CoglPrimitive *     cogl_primitive_new_p3               (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP3 *data);
+CoglPrimitive *     cogl_primitive_new_p2c4             (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP2C4 *data);
+CoglPrimitive *     cogl_primitive_new_p3c4             (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP3C4 *data);
+CoglPrimitive *     cogl_primitive_new_p2t2             (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP2T2 *data);
+CoglPrimitive *     cogl_primitive_new_p3t2             (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP3T2 *data);
+CoglPrimitive *     cogl_primitive_new_p2t2c4           (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP2T2C4 *data);
+CoglPrimitive *     cogl_primitive_new_p3t2c4           (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP3T2C4 *data);
+CoglBool            cogl_is_primitive                   (void *object);
+int                 cogl_primitive_get_first_vertex     (CoglPrimitive *primitive);
+void                cogl_primitive_set_first_vertex     (CoglPrimitive *primitive,
+                                                         int first_vertex);
+int                 cogl_primitive_get_n_vertices       (CoglPrimitive *primitive);
+void                cogl_primitive_set_n_vertices       (CoglPrimitive *primitive,
+                                                         int n_vertices);
+CoglVerticesMode    cogl_primitive_get_mode             (CoglPrimitive *primitive);
+void                cogl_primitive_set_mode             (CoglPrimitive *primitive,
+                                                         CoglVerticesMode mode);
+void                cogl_primitive_set_attributes       (CoglPrimitive *primitive,
+                                                         CoglAttribute **attributes,
+                                                         int n_attributes);
+CoglIndices *       cogl_primitive_get_indices          (CoglPrimitive *primitive);
+void                cogl_primitive_set_indices          (CoglPrimitive *primitive,
+                                                         CoglIndices *indices,
+                                                         int n_indices);
+CoglPrimitive *     cogl_primitive_copy                 (CoglPrimitive *primitive);
+CoglBool            (*CoglPrimitiveAttributeCallback)   (CoglPrimitive *primitive,
+                                                         CoglAttribute *attribute,
+                                                         void *user_data);
+void                cogl_primitive_foreach_attribute    (CoglPrimitive *primitive,
+                                                         CoglPrimitiveAttributeCallback callback,
+                                                         void *user_data);
+void                cogl_primitive_draw                 (CoglPrimitive *primitive,
+                                                         CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline);
+

+

+

+
Description

+

+FIXME
+

+

+

+
Details

+

+
CoglPrimitive

+
typedef struct _CoglPrimitive CoglPrimitive;

+

+

+

+
cogl_primitive_new ()

+
CoglPrimitive *     cogl_primitive_new                  (CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         ...);

+

+Combines a set of CoglAttributes with a specific draw mode
+and defines a vertex count so a CoglPrimitive object can be retained and
+drawn later with no addition information required.
+

+

+The value passed as n_vertices will simply update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to process when drawing
... :
A NULL terminated list of attributes
Returns :
A newly allocated CoglPrimitive object. [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_new_with_attributes ()

+
CoglPrimitive *     cogl_primitive_new_with_attributes  (CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         CoglAttribute **attributes,
+                                                         int n_attributes);

+

+Combines a set of CoglAttributes with a specific draw mode
+and defines a vertex count so a CoglPrimitive object can be retained and
+drawn later with no addition information required.
+

+

+The value passed as n_vertices will simply update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to process when drawing
attributes :
An array of CoglAttribute
n_attributes :
The number of attributes
Returns :
A newly allocated CoglPrimitive object. [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_new_p2 ()

+
CoglPrimitive *     cogl_primitive_new_p2               (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP2 *data);

+

+Provides a convenient way to describe a primitive, such as a single
+triangle strip or a triangle fan, that will internally allocate the
+necessary CoglAttributeBuffer storage, describe the position
+attribute with a CoglAttribute and upload your data.
+

+

+For example to draw a convex polygon you can do:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33

+
+
+
+
+
+
+
+
+
+
+
+
+CoglVertexP2 triangle[] =
+{
+  { 0,   300 },
+  { 150, 0,  },
+  { 300, 300 }
+};
+prim = cogl_primitive_new_p2 (COGL_VERTICES_MODE_TRIANGLE_FAN,
+                              3, triangle);
+cogl_primitive_draw (prim);

+

+
+

+

+

+The value passed as n_vertices is initially used to determine how
+much can be read from data but it will also be used to update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

+

+

+
Note
The primitive API doesn't support drawing with sliced
+textures (since switching between slices implies changing state and
+so that implies multiple primitives need to be submitted). You
+should pass the COGL_TEXTURE_NO_SLICING flag to all textures that
+might be used while drawing with this API. If your hardware doesn't
+support non-power of two textures (For example you are using GLES
+1.1) then you will need to make sure your assets are resized to a
+power-of-two size (though they don't have to be square)

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to read from data and also
+the number of vertices to read when later drawing.
data :
(type Cogl.VertexP2): An array
+of CoglVertexP2 vertices. [array length=n_vertices]
+
Returns :
A newly allocated CoglPrimitive
+with a reference of 1. This can be freed using cogl_object_unref(). [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_new_p3 ()

+
CoglPrimitive *     cogl_primitive_new_p3               (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP3 *data);

+

+Provides a convenient way to describe a primitive, such as a single
+triangle strip or a triangle fan, that will internally allocate the
+necessary CoglAttributeBuffer storage, describe the position
+attribute with a CoglAttribute and upload your data.
+

+

+For example to draw a convex polygon you can do:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33

+
+
+
+
+
+
+
+
+
+
+
+
+CoglVertexP3 triangle[] =
+{
+  { 0,   300, 0 },
+  { 150, 0,   0 },
+  { 300, 300, 0 }
+};
+prim = cogl_primitive_new_p3 (COGL_VERTICES_MODE_TRIANGLE_FAN,
+                              3, triangle);
+cogl_primitive_draw (prim);

+

+
+

+

+

+The value passed as n_vertices is initially used to determine how
+much can be read from data but it will also be used to update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

+

+

+
Note
The primitive API doesn't support drawing with sliced
+textures (since switching between slices implies changing state and
+so that implies multiple primitives need to be submitted). You
+should pass the COGL_TEXTURE_NO_SLICING flag to all textures that
+might be used while drawing with this API. If your hardware doesn't
+support non-power of two textures (For example you are using GLES
+1.1) then you will need to make sure your assets are resized to a
+power-of-two size (though they don't have to be square)

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to read from data and also
+the number of vertices to read when later drawing.
data :
(type Cogl.VertexP3): An array of
+CoglVertexP3 vertices. [array length=n_vertices]
+
Returns :
A newly allocated CoglPrimitive
+with a reference of 1. This can be freed using cogl_object_unref(). [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_new_p2c4 ()

+
CoglPrimitive *     cogl_primitive_new_p2c4             (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP2C4 *data);

+

+Provides a convenient way to describe a primitive, such as a single
+triangle strip or a triangle fan, that will internally allocate the
+necessary CoglAttributeBuffer storage, describe the position
+and color attributes with CoglAttributes and upload
+your data.
+

+

+For example to draw a convex polygon with a linear gradient you
+can do:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33

+
+
+
+
+
+
+
+
+
+
+
+
+CoglVertexP2C4 triangle[] =
+{
+  { 0,   300,  0xff, 0x00, 0x00, 0xff },
+  { 150, 0,    0x00, 0xff, 0x00, 0xff },
+  { 300, 300,  0xff, 0x00, 0x00, 0xff }
+};
+prim = cogl_primitive_new_p2c4 (COGL_VERTICES_MODE_TRIANGLE_FAN,
+                                3, triangle);
+cogl_primitive_draw (prim);

+

+
+

+

+

+The value passed as n_vertices is initially used to determine how
+much can be read from data but it will also be used to update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

+

+

+
Note
The primitive API doesn't support drawing with sliced
+textures (since switching between slices implies changing state and
+so that implies multiple primitives need to be submitted). You
+should pass the COGL_TEXTURE_NO_SLICING flag to all textures that
+might be used while drawing with this API. If your hardware doesn't
+support non-power of two textures (For example you are using GLES
+1.1) then you will need to make sure your assets are resized to a
+power-of-two size (though they don't have to be square)

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to read from data and also
+the number of vertices to read when later drawing.
data :
(type Cogl.VertexP2C4): An array
+of CoglVertexP2C4 vertices. [array length=n_vertices]
+
Returns :
A newly allocated CoglPrimitive
+with a reference of 1. This can be freed using cogl_object_unref(). [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_new_p3c4 ()

+
CoglPrimitive *     cogl_primitive_new_p3c4             (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP3C4 *data);

+

+Provides a convenient way to describe a primitive, such as a single
+triangle strip or a triangle fan, that will internally allocate the
+necessary CoglAttributeBuffer storage, describe the position
+and color attributes with CoglAttributes and upload
+your data.
+

+

+For example to draw a convex polygon with a linear gradient you
+can do:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33

+
+
+
+
+
+
+
+
+
+
+
+
+CoglVertexP3C4 triangle[] =
+{
+  { 0,   300, 0,  0xff, 0x00, 0x00, 0xff },
+  { 150, 0,   0,  0x00, 0xff, 0x00, 0xff },
+  { 300, 300, 0,  0xff, 0x00, 0x00, 0xff }
+};
+prim = cogl_primitive_new_p3c4 (COGL_VERTICES_MODE_TRIANGLE_FAN,
+                                3, triangle);
+cogl_primitive_draw (prim);

+

+
+

+

+

+The value passed as n_vertices is initially used to determine how
+much can be read from data but it will also be used to update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

+

+

+
Note
The primitive API doesn't support drawing with sliced
+textures (since switching between slices implies changing state and
+so that implies multiple primitives need to be submitted). You
+should pass the COGL_TEXTURE_NO_SLICING flag to all textures that
+might be used while drawing with this API. If your hardware doesn't
+support non-power of two textures (For example you are using GLES
+1.1) then you will need to make sure your assets are resized to a
+power-of-two size (though they don't have to be square)

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to read from data and also
+the number of vertices to read when later drawing.
data :
(type Cogl.VertexP3C4): An array
+of CoglVertexP3C4 vertices. [array length=n_vertices]
+
Returns :
A newly allocated CoglPrimitive
+with a reference of 1. This can be freed using cogl_object_unref(). [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_new_p2t2 ()

+
CoglPrimitive *     cogl_primitive_new_p2t2             (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP2T2 *data);

+

+Provides a convenient way to describe a primitive, such as a single
+triangle strip or a triangle fan, that will internally allocate the
+necessary CoglAttributeBuffer storage, describe the position and
+texture coordinate attributes with CoglAttributes and
+upload your data.
+

+

+For example to draw a convex polygon with texture mapping you can
+do:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33

+
+
+
+
+
+
+
+
+
+
+
+
+CoglVertexP2T2 triangle[] =
+{
+  { 0,   300,  0.0, 1.0},
+  { 150, 0,    0.5, 0.0},
+  { 300, 300,  1.0, 1.0}
+};
+prim = cogl_primitive_new_p2t2 (COGL_VERTICES_MODE_TRIANGLE_FAN,
+                                3, triangle);
+cogl_primitive_draw (prim);

+

+
+

+

+

+The value passed as n_vertices is initially used to determine how
+much can be read from data but it will also be used to update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

+

+

+
Note
The primitive API doesn't support drawing with sliced
+textures (since switching between slices implies changing state and
+so that implies multiple primitives need to be submitted). You
+should pass the COGL_TEXTURE_NO_SLICING flag to all textures that
+might be used while drawing with this API. If your hardware doesn't
+support non-power of two textures (For example you are using GLES
+1.1) then you will need to make sure your assets are resized to a
+power-of-two size (though they don't have to be square)

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to read from data and also
+the number of vertices to read when later drawing.
data :
(type Cogl.VertexP2T2): An array
+of CoglVertexP2T2 vertices. [array length=n_vertices]
+
Returns :
A newly allocated CoglPrimitive
+with a reference of 1. This can be freed using cogl_object_unref(). [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_new_p3t2 ()

+
CoglPrimitive *     cogl_primitive_new_p3t2             (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP3T2 *data);

+

+Provides a convenient way to describe a primitive, such as a single
+triangle strip or a triangle fan, that will internally allocate the
+necessary CoglAttributeBuffer storage, describe the position and
+texture coordinate attributes with CoglAttributes and
+upload your data.
+

+

+For example to draw a convex polygon with texture mapping you can
+do:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33

+
+
+
+
+
+
+
+
+
+
+
+
+CoglVertexP3T2 triangle[] =
+{
+  { 0,   300, 0,  0.0, 1.0},
+  { 150, 0,   0,  0.5, 0.0},
+  { 300, 300, 0,  1.0, 1.0}
+};
+prim = cogl_primitive_new_p3t2 (COGL_VERTICES_MODE_TRIANGLE_FAN,
+                                3, triangle);
+cogl_primitive_draw (prim);

+

+
+

+

+

+The value passed as n_vertices is initially used to determine how
+much can be read from data but it will also be used to update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

+

+

+
Note
The primitive API doesn't support drawing with sliced
+textures (since switching between slices implies changing state and
+so that implies multiple primitives need to be submitted). You
+should pass the COGL_TEXTURE_NO_SLICING flag to all textures that
+might be used while drawing with this API. If your hardware doesn't
+support non-power of two textures (For example you are using GLES
+1.1) then you will need to make sure your assets are resized to a
+power-of-two size (though they don't have to be square)

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to read from data and also
+the number of vertices to read when later drawing.
data :
(type Cogl.VertexP3T2): An array
+of CoglVertexP3T2 vertices. [array length=n_vertices]
+
Returns :
A newly allocated CoglPrimitive
+with a reference of 1. This can be freed using cogl_object_unref(). [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_new_p2t2c4 ()

+
CoglPrimitive *     cogl_primitive_new_p2t2c4           (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP2T2C4 *data);

+

+Provides a convenient way to describe a primitive, such as a single
+triangle strip or a triangle fan, that will internally allocate the
+necessary CoglAttributeBuffer storage, describe the position, texture
+coordinate and color attributes with CoglAttributes and
+upload your data.
+

+

+For example to draw a convex polygon with texture mapping and a
+linear gradient you can do:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33

+
+
+
+
+
+
+
+
+
+
+
+
+CoglVertexP2T2C4 triangle[] =
+{
+  { 0,   300,  0.0, 1.0,  0xff, 0x00, 0x00, 0xff},
+  { 150, 0,    0.5, 0.0,  0x00, 0xff, 0x00, 0xff},
+  { 300, 300,  1.0, 1.0,  0xff, 0x00, 0x00, 0xff}
+};
+prim = cogl_primitive_new_p2t2c4 (COGL_VERTICES_MODE_TRIANGLE_FAN,
+                                  3, triangle);
+cogl_primitive_draw (prim);

+

+
+

+

+

+The value passed as n_vertices is initially used to determine how
+much can be read from data but it will also be used to update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

+

+

+
Note
The primitive API doesn't support drawing with sliced
+textures (since switching between slices implies changing state and
+so that implies multiple primitives need to be submitted). You
+should pass the COGL_TEXTURE_NO_SLICING flag to all textures that
+might be used while drawing with this API. If your hardware doesn't
+support non-power of two textures (For example you are using GLES
+1.1) then you will need to make sure your assets are resized to a
+power-of-two size (though they don't have to be square)

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to read from data and also
+the number of vertices to read when later drawing.
data :
(type Cogl.VertexP2T2C4): An
+array of CoglVertexP2T2C4 vertices. [array length=n_vertices]
+
Returns :
A newly allocated CoglPrimitive
+with a reference of 1. This can be freed using cogl_object_unref(). [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_new_p3t2c4 ()

+
CoglPrimitive *     cogl_primitive_new_p3t2c4           (CoglContext *context,
+                                                         CoglVerticesMode mode,
+                                                         int n_vertices,
+                                                         const CoglVertexP3T2C4 *data);

+

+Provides a convenient way to describe a primitive, such as a single
+triangle strip or a triangle fan, that will internally allocate the
+necessary CoglAttributeBuffer storage, describe the position, texture
+coordinate and color attributes with CoglAttributes and
+upload your data.
+

+

+For example to draw a convex polygon with texture mapping and a
+linear gradient you can do:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33

+
+
+
+
+
+
+
+
+
+
+
+
+CoglVertexP3T2C4 triangle[] =
+{
+  { 0,   300, 0,  0.0, 1.0,  0xff, 0x00, 0x00, 0xff},
+  { 150, 0,   0,  0.5, 0.0,  0x00, 0xff, 0x00, 0xff},
+  { 300, 300, 0,  1.0, 1.0,  0xff, 0x00, 0x00, 0xff}
+};
+prim = cogl_primitive_new_p3t2c4 (COGL_VERTICES_MODE_TRIANGLE_FAN,
+                                  3, triangle);
+cogl_primitive_draw (prim);

+

+
+

+

+

+The value passed as n_vertices is initially used to determine how
+much can be read from data but it will also be used to update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to read when drawing.
+

+

+

+

+
Note
The primitive API doesn't support drawing with sliced
+textures (since switching between slices implies changing state and
+so that implies multiple primitives need to be submitted). You
+should pass the COGL_TEXTURE_NO_SLICING flag to all textures that
+might be used while drawing with this API. If your hardware doesn't
+support non-power of two textures (For example you are using GLES
+1.1) then you will need to make sure your assets are resized to a
+power-of-two size (though they don't have to be square)

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
mode :
A CoglVerticesMode defining how to draw the vertices
n_vertices :
The number of vertices to read from data and also
+the number of vertices to read when later drawing.
data :
(type Cogl.VertexP3T2C4): An
+array of CoglVertexP3T2C4 vertices. [array length=n_vertices]
+
Returns :
A newly allocated CoglPrimitive
+with a reference of 1. This can be freed using cogl_object_unref(). [transfer full]
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_is_primitive ()

+
CoglBool            cogl_is_primitive                   (void *object);

+

+Gets whether the given object references a CoglPrimitive.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A CoglObject
+
Returns :

+TRUE if the object references a CoglPrimitive,
+FALSE otherwise

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_get_first_vertex ()

+
int                 cogl_primitive_get_first_vertex     (CoglPrimitive *primitive);

+

+

+

+
cogl_primitive_set_first_vertex ()

+
void                cogl_primitive_set_first_vertex     (CoglPrimitive *primitive,
+                                                         int first_vertex);

+

+

+

+
cogl_primitive_get_n_vertices ()

+
int                 cogl_primitive_get_n_vertices       (CoglPrimitive *primitive);

+

+Queries the number of vertices to read when drawing the given
+primitive. Usually this value is implicitly set when associating
+vertex data or indices with a CoglPrimitive.
+

+

+If cogl_primitive_set_indices() has been used to associate a
+sequence of CoglIndices with the given primitive then the
+number of vertices to read can also be phrased as the number
+of indices to read.
+

+

+

+

+
Note
To be clear; it doesn't refer to the number of vertices - in
+terms of data - associated with the primitive it's just the number
+of vertices to read and draw.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




primitive :
A CoglPrimitive object
Returns :
The number of vertices to read when drawing.

+
Since 1.8

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_set_n_vertices ()

+
void                cogl_primitive_set_n_vertices       (CoglPrimitive *primitive,
+                                                         int n_vertices);

+

+Specifies how many vertices should be read when drawing the given
+primitive.
+

+

+Usually this value is set implicitly when associating vertex data
+or indices with a CoglPrimitive.
+

+

+

+

+
Note
To be clear; it doesn't refer to the number of vertices - in
+terms of data - associated with the primitive it's just the number
+of vertices to read and draw.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




primitive :
A CoglPrimitive object
n_vertices :
The number of vertices to read when drawing.

+
Since 1.8

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_get_mode ()

+
CoglVerticesMode    cogl_primitive_get_mode             (CoglPrimitive *primitive);

+

+

+

+
cogl_primitive_set_mode ()

+
void                cogl_primitive_set_mode             (CoglPrimitive *primitive,
+                                                         CoglVerticesMode mode);

+

+

+

+
cogl_primitive_set_attributes ()

+
void                cogl_primitive_set_attributes       (CoglPrimitive *primitive,
+                                                         CoglAttribute **attributes,
+                                                         int n_attributes);

+

+Replaces all the attributes of the given CoglPrimitive object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




primitive :
A CoglPrimitive object
attributes :
an array of CoglAttribute pointers
n_attributes :
the number of elements in attributes
+

+
Since 1.6

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_get_indices ()

+
CoglIndices *       cogl_primitive_get_indices          (CoglPrimitive *primitive);

+

++++
+
+
+
+
+
+
+
+
+
+
+




primitive :
A CoglPrimitive
+
Returns :
the indices that were set with
+cogl_primitive_set_indices() or NULL if no indices were set. [transfer none]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_set_indices ()

+
void                cogl_primitive_set_indices          (CoglPrimitive *primitive,
+                                                         CoglIndices *indices,
+                                                         int n_indices);

+

+Associates a sequence of CoglIndices with the given primitive.
+

+

+CoglIndices provide a way to virtualize your real vertex data by
+providing a sequence of indices that index into your real vertex
+data. The GPU will walk though the index values to indirectly
+lookup the data for each vertex instead of sequentially walking
+through the data directly. This lets you save memory by indexing
+shared data multiple times instead of duplicating the data.
+

+

+The value passed as n_indices will simply update the
+CoglPrimitive n_vertices property as if
+cogl_primitive_set_n_vertices() were called. This property defines
+the number of vertices to draw or, put another way, how many
+indices should be read from indices when drawing.
+

+

+

+

+
Note
The CoglPrimitivefirst_vertex property
+also affects drawing with indices by defining the first entry of the
+indices to start drawing from.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




primitive :
A CoglPrimitive
+
indices :
A CoglIndices array
n_indices :
The number of indices to reference when drawing

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_copy ()

+
CoglPrimitive *     cogl_primitive_copy                 (CoglPrimitive *primitive);

+

+Makes a copy of an existing CoglPrimitive. Note that the primitive
+is a shallow copy which means it will use the same attributes and
+attribute buffers as the original primitive.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




primitive :
A primitive copy
Returns :
the new primitive. [transfer full]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
CoglPrimitiveAttributeCallback ()

+
CoglBool            (*CoglPrimitiveAttributeCallback)   (CoglPrimitive *primitive,
+                                                         CoglAttribute *attribute,
+                                                         void *user_data);

+

+The callback prototype used with cogl_primitive_foreach_attribute()
+for iterating all the attributes of a CoglPrimitive.
+

+

+The function should return TRUE to continue iteration or FALSE to
+stop.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




primitive :
The CoglPrimitive whose attributes are being iterated
attribute :
The CoglAttribute
+
user_data :
The private data passed to cogl_primitive_foreach_attribute()
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_foreach_attribute ()

+
void                cogl_primitive_foreach_attribute    (CoglPrimitive *primitive,
+                                                         CoglPrimitiveAttributeCallback callback,
+                                                         void *user_data);

+

+Iterates all the attributes of the given CoglPrimitive.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




primitive :
A CoglPrimitive object
callback :
A CoglPrimitiveAttributeCallback to be
+called for each attribute. [scope call]
+
user_data :
Private data that will be passed to the
+callback. [closure]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_primitive_draw ()

+
void                cogl_primitive_draw                 (CoglPrimitive *primitive,
+                                                         CoglFramebuffer *framebuffer,
+                                                         CoglPipeline *pipeline);

+

+Draws the given primitive geometry to the specified destination
+framebuffer using the graphics processing state described by pipeline.
+

+

+This drawing api doesn't support high-level meta texture types such
+as CoglTexture2DSliced so it is the user's responsibility to
+ensure that only low-level textures that can be directly sampled by
+a GPU such as CoglTexture2D, CoglTextureRectangle or CoglTexture3D
+are associated with layers of the given pipeline.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




primitive :
A CoglPrimitive geometry object
framebuffer :
A destination CoglFramebuffer
+
pipeline :
A CoglPipeline state object

+
Since 1.16

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Quaternions-(Rotations).html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Quaternions-(Rotations).html
new file mode 100644
index 0000000..5162c3b
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Quaternions-(Rotations).html
@@ -0,0 +1,1136 @@
+
+
+
+
+Quaternions (Rotations)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Quaternions (Rotations)

+
Quaternions (Rotations) — Functions for initializing and manipulating
+quaternions.

+

+

+
Synopsis

+
                    CoglQuaternion;
+void                cogl_quaternion_init_identity       (CoglQuaternion *quaternion);
+void                cogl_quaternion_init                (CoglQuaternion *quaternion,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_quaternion_init_from_quaternion
+                                                        (CoglQuaternion *quaternion,
+                                                         CoglQuaternion *src);
+void                cogl_quaternion_init_from_angle_vector
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle,
+                                                         const float *axis3f);
+void                cogl_quaternion_init_from_array     (CoglQuaternion *quaternion,
+                                                         const float *array);
+void                cogl_quaternion_init_from_x_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);
+void                cogl_quaternion_init_from_y_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);
+void                cogl_quaternion_init_from_z_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);
+void                cogl_quaternion_init_from_euler     (CoglQuaternion *quaternion,
+                                                         const CoglEuler *euler);
+CoglBool            cogl_quaternion_equal               (const void *v1,
+                                                         const void *v2);
+CoglQuaternion *    cogl_quaternion_copy                (const CoglQuaternion *src);
+void                cogl_quaternion_free                (CoglQuaternion *quaternion);
+float               cogl_quaternion_get_rotation_angle  (const CoglQuaternion *quaternion);
+void                cogl_quaternion_get_rotation_axis   (const CoglQuaternion *quaternion,
+                                                         float *vector3);
+void                cogl_quaternion_normalize           (CoglQuaternion *quaternion);
+float               cogl_quaternion_dot_product         (const CoglQuaternion *a,
+                                                         const CoglQuaternion *b);
+void                cogl_quaternion_invert              (CoglQuaternion *quaternion);
+void                cogl_quaternion_multiply            (CoglQuaternion *result,
+                                                         const CoglQuaternion *left,
+                                                         const CoglQuaternion *right);
+void                cogl_quaternion_pow                 (CoglQuaternion *quaternion,
+                                                         float exponent);
+void                cogl_quaternion_slerp               (CoglQuaternion *result,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         float t);
+void                cogl_quaternion_nlerp               (CoglQuaternion *result,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         float t);
+void                cogl_quaternion_squad               (CoglQuaternion *result,
+                                                         const CoglQuaternion *prev,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         const CoglQuaternion *next,
+                                                         float t);
+const CoglQuaternion * cogl_get_static_identity_quaternion
+                                                        (void);
+const CoglQuaternion * cogl_get_static_zero_quaternion  (void);
+

+

+

+
Description

+

+Quaternions have become a standard form for representing 3D
+rotations and have some nice properties when compared with other
+representation such as (roll,pitch,yaw) Euler angles. They can be
+used to interpolate between different rotations and they don't
+suffer from a problem called
+"Gimbal lock"
+where two of the axis of rotation may become aligned and you loose a
+degree of freedom.
+.
+

+

+

+
Details

+

+
CoglQuaternion

+
typedef struct {
+  float w;
+
+  float x;
+  float y;
+  float z;
+} CoglQuaternion;
+

+

+A quaternion is comprised of a scalar component and a 3D vector
+component. The scalar component is normally referred to as w and the
+vector might either be referred to as v or a (for axis) or expanded
+with the individual components: (x, y, z) A full quaternion would
+then be written as [w (x, y, z)].
+

+

+Quaternions can be considered to represent an axis and angle
+pair although sadly these numbers are buried somewhat under some
+maths...
+

+

+For the curious you can see here that a given axis (a) and angle (𝜃)
+pair are represented in a quaternion as follows:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+[w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )]

+

+
+

+

+

+Unit Quaternions:
+When using Quaternions to represent spatial orientations for 3D
+graphics it's always assumed you have a unit quaternion. The
+magnitude of a quaternion is defined as:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+sqrt (w² + x² + y² + z²)

+

+
+

+and a unit quaternion satisfies this equation:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+w² + x² + y² + z² = 1

+

+
+

+

+

+Thankfully most of the time we don't actually have to worry about
+the maths that goes on behind the scenes but if you are curious to
+learn more here are some external references:
+

+

+

+

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




float w;
based on the angle of rotation it is cos(𝜃/2)
float x;
based on the angle of rotation and x component of the axis of
+rotation it is sin(𝜃/2)*axis.x
float y;
based on the angle of rotation and y component of the axis of
+rotation it is sin(𝜃/2)*axis.y
float z;
based on the angle of rotation and z component of the axis of
+rotation it is sin(𝜃/2)*axis.z

+

+

+

+
cogl_quaternion_init_identity ()

+
void                cogl_quaternion_init_identity       (CoglQuaternion *quaternion);

+

+Initializes the quaternion with the canonical quaternion identity
+[1 (0, 0, 0)] which represents no rotation. Multiplying a
+quaternion with this identity leaves the quaternion unchanged.
+

+

+You might also want to consider using
+cogl_get_static_identity_quaternion().
+

+

++++
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_init ()

+
void                cogl_quaternion_init                (CoglQuaternion *quaternion,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);

+

+Initializes a quaternion that rotates angle degrees around the
+axis vector (x, y, z). The axis vector does not need to be
+normalized.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle you want to rotate around the given axis
x :
The x component of your axis vector about which you want to
+rotate.
y :
The y component of your axis vector about which you want to
+rotate.
z :
The z component of your axis vector about which you want to
+rotate.
Returns :
A normalized, unit quaternion representing an orientation
+rotated angle degrees around the axis vector (x, y, z)

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_quaternion ()

+
void                cogl_quaternion_init_from_quaternion
+                                                        (CoglQuaternion *quaternion,
+                                                         CoglQuaternion *src);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
A CoglQuaternion
+
src :
A CoglQuaternion with which to initialize quaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_angle_vector ()

+
void                cogl_quaternion_init_from_angle_vector
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle,
+                                                         const float *axis3f);

+

+Initializes a quaternion that rotates angle degrees around the
+given axis vector. The axis vector does not need to be
+normalized.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle to rotate around axis3f
+
axis3f :
your 3 component axis vector about which you want to rotate.
Returns :
A normalized, unit quaternion representing an orientation
+rotated angle degrees around the given axis vector.

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_array ()

+
void                cogl_quaternion_init_from_array     (CoglQuaternion *quaternion,
+                                                         const float *array);

+

+Initializes a [w (x, y,z)] quaternion directly from an array of 4
+floats: [w,x,y,z].
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
A CoglQuaternion
+
array :
An array of 4 floats w,(x,y,z)

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_x_rotation ()

+
void                cogl_quaternion_init_from_x_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);

+

+XXX: check which direction this rotates
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle to rotate around the x axis

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_y_rotation ()

+
void                cogl_quaternion_init_from_y_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle to rotate around the y axis

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_z_rotation ()

+
void                cogl_quaternion_init_from_z_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle to rotate around the z axis

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_euler ()

+
void                cogl_quaternion_init_from_euler     (CoglQuaternion *quaternion,
+                                                         const CoglEuler *euler);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
A CoglQuaternion
+
euler :
A CoglEuler with which to initialize the quaternion

+
Since 2.0

+

+

+

+
cogl_quaternion_equal ()

+
CoglBool            cogl_quaternion_equal               (const void *v1,
+                                                         const void *v2);

+

+Compares that all the components of quaternions a and b are
+equal.
+

+

+An epsilon value is not used to compare the float components, but
+the == operator is at least used so that 0 and -0 are considered
+equal.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




v1 :
A CoglQuaternion
+
v2 :
A CoglQuaternion
+
Returns :

+TRUE if the quaternions are equal else FALSE.

+
Since 2.0

+

+

+

+
cogl_quaternion_copy ()

+
CoglQuaternion *    cogl_quaternion_copy                (const CoglQuaternion *src);

+

+Allocates a new CoglQuaternion on the stack and initializes it with
+the same values as src.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




src :
A CoglQuaternion
+
Returns :
A newly allocated CoglQuaternion which should be freed
+using cogl_quaternion_free()
+

+
Since 2.0

+

+

+

+
cogl_quaternion_free ()

+
void                cogl_quaternion_free                (CoglQuaternion *quaternion);

+

+Frees a CoglQuaternion that was previously allocated via
+cogl_quaternion_copy().
+

+

++++
+
+
+
+
+




quaternion :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_get_rotation_angle ()

+
float               cogl_quaternion_get_rotation_angle  (const CoglQuaternion *quaternion);

+

++++
+
+
+
+
+




quaternion :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_get_rotation_axis ()

+
void                cogl_quaternion_get_rotation_axis   (const CoglQuaternion *quaternion,
+                                                         float *vector3);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
A CoglQuaternion
+
vector3 :
an allocated 3-float array. [out]
+

+
Since 2.0

+

+

+

+
cogl_quaternion_normalize ()

+
void                cogl_quaternion_normalize           (CoglQuaternion *quaternion);

+

++++
+
+
+
+
+




quaternion :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_dot_product ()

+
float               cogl_quaternion_dot_product         (const CoglQuaternion *a,
+                                                         const CoglQuaternion *b);

+

++++
+
+
+
+
+
+
+
+
+
+
+




a :
A CoglQuaternion
+
b :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_invert ()

+
void                cogl_quaternion_invert              (CoglQuaternion *quaternion);

+

++++
+
+
+
+
+




quaternion :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_multiply ()

+
void                cogl_quaternion_multiply            (CoglQuaternion *result,
+                                                         const CoglQuaternion *left,
+                                                         const CoglQuaternion *right);

+

+This combines the rotations of two quaternions into result. The
+operation is not commutative so the order is important because AxB
+!= BxA. Cogl follows the standard convention for quaternions here
+so the rotations are applied right to left. This is similar to the
+combining of matrices.
+

+

+

+

+
Note
It is possible to multiply the a quaternion in-place, so
+result can be equal to a but can't be equal to b.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
The destination CoglQuaternion
+
left :
The second CoglQuaternion rotation to apply
right :
The first CoglQuaternion rotation to apply

+
Since 2.0

+

+

+

+
cogl_quaternion_pow ()

+
void                cogl_quaternion_pow                 (CoglQuaternion *quaternion,
+                                                         float exponent);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
A CoglQuaternion
+
exponent :
the exponent

+
Since 2.0

+

+

+

+
cogl_quaternion_slerp ()

+
void                cogl_quaternion_slerp               (CoglQuaternion *result,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         float t);

+

+Performs a spherical linear interpolation between two quaternions.
+

+

+Noteable properties:
+

+
    
+
  • 
+commutative: No
+
    • 
+
  • 
+constant velocity: Yes
+
    • 
+
  • 
+torque minimal (travels along the surface of the 4-sphere): Yes
+
    • 
+
  • 
+more expensive than cogl_quaternion_nlerp()
+
    • 
+

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
The destination CoglQuaternion
+
a :
The first CoglQuaternion
+
b :
The second CoglQuaternion
+
t :
The factor in the range [0,1] used to interpolate between
+quaternion a and b.

+

+

+

+
cogl_quaternion_nlerp ()

+
void                cogl_quaternion_nlerp               (CoglQuaternion *result,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         float t);

+

+Performs a normalized linear interpolation between two quaternions.
+That is it does a linear interpolation of the quaternion components
+and then normalizes the result. This will follow the shortest arc
+between the two orientations (just like the slerp() function) but
+will not progress at a constant speed. Unlike slerp() nlerp is
+commutative which is useful if you are blending animations
+together. (I.e. nlerp (tmp, a, b) followed by nlerp (result, tmp,
+d) is the same as nlerp (tmp, a, d) followed by nlerp (result, tmp,
+b)). Finally nlerp is cheaper than slerp so it can be a good choice
+if you don't need the constant speed property of the slerp() function.
+

+

+Notable properties:
+

+
    
+
  • 
+commutative: Yes
+
    • 
+
  • 
+constant velocity: No
+
    • 
+
  • 
+torque minimal (travels along the surface of the 4-sphere): Yes
+
    • 
+
  • 
+faster than cogl_quaternion_slerp()
+
    • 
+

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
The destination CoglQuaternion
+
a :
The first CoglQuaternion
+
b :
The second CoglQuaternion
+
t :
The factor in the range [0,1] used to interpolate between
+quaterion a and b.

+

+

+

+
cogl_quaternion_squad ()

+
void                cogl_quaternion_squad               (CoglQuaternion *result,
+                                                         const CoglQuaternion *prev,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         const CoglQuaternion *next,
+                                                         float t);

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
The destination CoglQuaternion
+
prev :
A CoglQuaternion used before a
+
a :
The first CoglQuaternion
+
b :
The second CoglQuaternion
+
next :
A CoglQuaternion that will be used after b
+
t :
The factor in the range [0,1] used to interpolate between
+quaternion a and b.

+
Since 2.0

+

+

+

+
cogl_get_static_identity_quaternion ()

+
const CoglQuaternion * cogl_get_static_identity_quaternion
+                                                        (void);

+

+Returns a pointer to a singleton quaternion constant describing the
+canonical identity [1 (0, 0, 0)] which represents no rotation.
+

+

+If you multiply a quaternion with the identity quaternion you will
+get back the same value as the original quaternion.
+

+

++++
+
+
+
+
+




Returns :
A pointer to an identity quaternion

+
Since 2.0

+

+

+

+
cogl_get_static_zero_quaternion ()

+
const CoglQuaternion * cogl_get_static_zero_quaternion  (void);

+

++++
+
+
+
+
+




Returns :
a pointer to a singleton quaternion constant describing a
+rotation of 180 degrees around a degenerate axis:
+[0 (0, 0, 0)]

+
Since 2.0

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Rectangle-textures-(non-normalized-coordinates).html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Rectangle-textures-(non-normalized-coordinates).html
new file mode 100644
index 0000000..4725e40
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Rectangle-textures-(non-normalized-coordinates).html
@@ -0,0 +1,258 @@
+
+
+
+
+Rectangle textures (non-normalized coordinates)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Rectangle textures (non-normalized coordinates)

+
Rectangle textures (non-normalized coordinates) — Functions for creating and manipulating rectangle
+                    textures for use with non-normalized coordinates.

+

+

+
Synopsis

+
                    CoglTextureRectangle;
+CoglTextureRectangle * cogl_texture_rectangle_new_with_size
+                                                        (CoglContext *ctx,
+                                                         int width,
+                                                         int height);
+CoglTextureRectangle * cogl_texture_rectangle_new_from_bitmap
+                                                        (CoglBitmap *bitmap);
+CoglBool            cogl_is_texture_rectangle           (void *object);
+

+

+

+
Description

+

+These functions allow low-level "rectangle" textures to be allocated.
+These textures are never constrained to power-of-two sizes but they
+also don't support having a mipmap and can only be wrapped with
+COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE.
+

+

+The most notable difference between rectangle textures and 2D
+textures is that rectangle textures are sampled using un-normalized
+texture coordinates, so instead of using coordinates (0,0) and
+(1,1) to map to the top-left and bottom right corners of the
+texture you would instead use (0,0) and (width,height).
+

+

+The use of non-normalized coordinates can be particularly
+convenient when writing glsl shaders that use a texture as a lookup
+table since you don't need to upload separate uniforms to map
+normalized coordinates to texels.
+

+

+If you want to sample from a rectangle texture from GLSL you should
+use the sampler2DRect sampler type.
+

+

+Applications wanting to use CoglTextureRectangle should first check
+for the COGL_FEATURE_ID_TEXTURE_RECTANGLE feature using
+cogl_has_feature().
+

+

+

+
Details

+

+
CoglTextureRectangle

+
typedef struct _CoglTextureRectangle CoglTextureRectangle;

+

+

+

+
cogl_texture_rectangle_new_with_size ()

+
CoglTextureRectangle * cogl_texture_rectangle_new_with_size
+                                                        (CoglContext *ctx,
+                                                         int width,
+                                                         int height);

+

+Creates a new CoglTextureRectangle texture with a given width,
+and height. This texture is a low-level texture that the GPU can
+sample from directly unlike high-level textures such as
+CoglTexture2DSliced and CoglAtlasTexture.
+

+

+

+

+
Note
Unlike for CoglTexture2D textures, coordinates for
+CoglTextureRectangle textures should not be normalized. So instead
+of using the coordinate (1, 1) to sample the bottom right corner of
+a rectangle texture you would use (width, height) where width
+and height are the width and height of the texture.

+

+

+

+

+

+
Note
If you want to sample from a rectangle texture from GLSL you
+should use the sampler2DRect sampler type.

+

+

+

+

+

+
Note
Applications wanting to use CoglTextureRectangle should
+first check for the COGL_FEATURE_ID_TEXTURE_RECTANGLE feature
+using cogl_has_feature().

+

+

+

+The storage for the texture is not allocated before this function
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




ctx :
A CoglContext pointer
width :
The texture width to allocate
height :
The texture height to allocate
Returns :
value: (transfer full): A pointer to a new CoglTextureRectangle
+object with no storage allocated yet.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_texture_rectangle_new_from_bitmap ()

+
CoglTextureRectangle * cogl_texture_rectangle_new_from_bitmap
+                                                        (CoglBitmap *bitmap);

+

+Allocates a new CoglTextureRectangle texture which will be
+initialized with the pixel data from bitmap. This texture is a
+low-level texture that the GPU can sample from directly unlike
+high-level textures such as CoglTexture2DSliced and
+CoglAtlasTexture.
+

+

+

+

+
Note
Unlike for CoglTexture2D textures, coordinates for
+CoglTextureRectangle textures should not be normalized. So instead
+of using the coordinate (1, 1) to sample the bottom right corner of
+a rectangle texture you would use (width, height) where width
+and height are the width and height of the texture.

+

+

+

+

+

+
Note
If you want to sample from a rectangle texture from GLSL you
+should use the sampler2DRect sampler type.

+

+

+

+

+

+
Note
Applications wanting to use CoglTextureRectangle should
+first check for the COGL_FEATURE_ID_TEXTURE_RECTANGLE feature
+using cogl_has_feature().

+

+

+

+The storage for the texture is not allocated before this function
+returns. You can call cogl_texture_allocate() to explicitly
+allocate the underlying storage or preferably let Cogl
+automatically allocate storage lazily when it may know more about
+how the texture is going to be used and can optimize how it is
+allocated.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




bitmap :
A CoglBitmap
+
Returns :
A pointer to a new
+CoglTextureRectangle texture. [transfer full]
+

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_is_texture_rectangle ()

+
CoglBool            cogl_is_texture_rectangle           (void *object);

+

+Gets whether the given object references an existing
+CoglTextureRectangle object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A CoglObject
+
Returns :

+TRUE if the object references a
+CoglTextureRectangle, FALSE otherwise.

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Rectangles.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Rectangles.html
new file mode 100644
index 0000000..f08d605
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Rectangles.html
@@ -0,0 +1,303 @@
+
+
+
+
+Rectangles
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Rectangles

+
Rectangles

+

+

+
Synopsis

+
void                cogl_rectangle                      (float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2);
+void                cogl_rectangles                     (const float *verts,
+                                                         unsigned int n_rects);
+void                cogl_rectangle_with_texture_coords  (float x1,
+                                                         float y1,
+                                                         float x2,
+                                                         float y2,
+                                                         float tx1,
+                                                         float ty1,
+                                                         float tx2,
+                                                         float ty2);
+void                cogl_rectangles_with_texture_coords (const float *verts,
+                                                         unsigned int n_rects);
+void                cogl_rectangle_with_multitexture_coords
+                                                        (float x1,
+                                                         float y1,
+                                                         float x2,
+                                                         float y2,
+                                                         const float *tex_coords,
+                                                         int tex_coords_len);
+

+

+

+
Description

+

+

+
Details

+

+
cogl_rectangle ()

+
void                cogl_rectangle                      (float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2);

+

+Fills a rectangle at the given coordinates with the current source material
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x_1 :
X coordinate of the top-left corner
y_1 :
Y coordinate of the top-left corner
x_2 :
X coordinate of the bottom-right corner
y_2 :
Y coordinate of the bottom-right corner

+

+

+

+
cogl_rectangles ()

+
void                cogl_rectangles                     (const float *verts,
+                                                         unsigned int n_rects);

+

+Draws a series of rectangles in the same way that
+cogl_rectangle() does. In some situations it can give a
+significant performance boost to use this function rather than
+calling cogl_rectangle() separately for each rectangle.
+

+

+verts should point to an array of floats with
+n_rects * 4 elements. Each group of 4 values corresponds to the
+parameters x1, y1, x2, and y2, and have the same
+meaning as in cogl_rectangle().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




verts :
an array of vertices. [in][array][transfer none]
+
n_rects :
number of rectangles to draw

+
Since 1.0

+

+

+

+
cogl_rectangle_with_texture_coords ()

+
void                cogl_rectangle_with_texture_coords  (float x1,
+                                                         float y1,
+                                                         float x2,
+                                                         float y2,
+                                                         float tx1,
+                                                         float ty1,
+                                                         float tx2,
+                                                         float ty2);

+

+Draw a rectangle using the current material and supply texture coordinates
+to be used for the first texture layer of the material. To draw the entire
+texture pass in tx1=0.0 ty1=0.0 tx2=1.0 ty2=1.0.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x1 :
x coordinate upper left on screen.
y1 :
y coordinate upper left on screen.
x2 :
x coordinate lower right on screen.
y2 :
y coordinate lower right on screen.
tx1 :
x part of texture coordinate to use for upper left pixel
ty1 :
y part of texture coordinate to use for upper left pixel
tx2 :
x part of texture coordinate to use for lower right pixel
ty2 :
y part of texture coordinate to use for left pixel

+
Since 1.0

+

+

+

+
cogl_rectangles_with_texture_coords ()

+
void                cogl_rectangles_with_texture_coords (const float *verts,
+                                                         unsigned int n_rects);

+

+Draws a series of rectangles in the same way that
+cogl_rectangle_with_texture_coords() does. In some situations it can give a
+significant performance boost to use this function rather than
+calling cogl_rectangle_with_texture_coords() separately for each rectangle.
+

+

+verts should point to an array of floats with
+n_rects * 8 elements. Each group of 8 values corresponds to the
+parameters x1, y1, x2, y2, tx1, ty1, tx2 and ty2 and have the same
+meaning as in cogl_rectangle_with_texture_coords().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




verts :
an array of vertices. [in][array][transfer none]
+
n_rects :
number of rectangles to draw

+
Since 0.8.6

+

+

+

+
cogl_rectangle_with_multitexture_coords ()

+
void                cogl_rectangle_with_multitexture_coords
+                                                        (float x1,
+                                                         float y1,
+                                                         float x2,
+                                                         float y2,
+                                                         const float *tex_coords,
+                                                         int tex_coords_len);

+

+This function draws a rectangle using the current source material to
+texture or fill with. As a material may contain multiple texture layers
+this interface lets you supply texture coordinates for each layer of the
+material.
+

+

+The first pair of coordinates are for the first layer (with the smallest
+layer index) and if you supply less texture coordinates than there are
+layers in the current source material then default texture coordinates
+(0.0, 0.0, 1.0, 1.0) are generated.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x1 :
x coordinate upper left on screen.
y1 :
y coordinate upper left on screen.
x2 :
x coordinate lower right on screen.
y2 :
y coordinate lower right on screen.
tex_coords :
An array containing groups of
+4 float values: [tx1, ty1, tx2, ty2] that are interpreted as two texture
+coordinates; one for the upper left texel, and one for the lower right
+texel. Each value should be between 0.0 and 1.0, where the coordinate
+(0.0, 0.0) represents the top left of the texture, and (1.0, 1.0) the
+bottom right. [in][array][transfer none]
+
tex_coords_len :
The length of the tex_coords array. (e.g. for one layer
+and one group of texture coordinates, this would be 4)

+
Since 1.0

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-SDL-Integration.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-SDL-Integration.html
new file mode 100644
index 0000000..aa1c14f
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-SDL-Integration.html
@@ -0,0 +1,489 @@
+
+
+
+
+SDL Integration
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
SDL Integration

+
SDL Integration — Integration api for the Simple DirectMedia
+                    Layer library.

+

+

+
Synopsis

+
CoglContext *       cogl_sdl_context_new                (int type,
+                                                         CoglError **error);
+void                cogl_sdl_renderer_set_event_type    (CoglRenderer *renderer,
+                                                         int type);
+int                 cogl_sdl_renderer_get_event_type    (CoglRenderer *renderer);
+void                cogl_sdl_handle_event               (CoglContext *context,
+                                                         SDL_Event *event);
+void                cogl_sdl_idle                       (CoglContext *context);
+SDL_Window *        cogl_sdl_onscreen_get_window        (CoglOnscreen *onscreen);
+

+

+

+
Description

+

+Cogl is a portable graphics api that can either be used standalone
+or alternatively integrated with certain existing frameworks. This
+api enables Cogl to be used in conjunction with the Simple
+DirectMedia Layer library.
+

+

+Using this API a typical SDL application would look something like
+this:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
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+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35
+36
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+39
+40
+41
+42
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+59
+60
+61
+62
+63

+
+
+
+
+
+
+
+
+
+
+
+
+MyAppData data;
+CoglError *error = NULL;
+
+data.ctx = cogl_sdl_context_new (SDL_USEREVENT, &error);
+if (!data.ctx)
+  {
+    fprintf (stderr, "Failed to create context: %s\n",
+             error->message);
+    return 1;
+  }
+
+my_application_setup (&data);
+
+data.redraw_queued = TRUE;
+while (!data.quit)
+  {
+    while (!data.quit)
+      {
+        if (!SDL_PollEvent (&event))
+          {
+            if (data.redraw_queued)
+              break;
+
+            cogl_sdl_idle (ctx);
+            if (!SDL_WaitEvent (&event))
+              {
+                fprintf (stderr, "Error waiting for SDL events");
+                return 1;
+              }
+          }
+
+         handle_event (&data, &event);
+         cogl_sdl_handle_event (ctx, &event);
+       }
+
+    data.redraw_queued = redraw (&data);
+  }

+

+
+

+

+

+

+
Details

+

+
cogl_sdl_context_new ()

+
CoglContext *       cogl_sdl_context_new                (int type,
+                                                         CoglError **error);

+

+This is a convenience function for creating a new CoglContext for
+use with SDL and specifying what SDL user event type Cogl can use
+as a way to interrupt SDL_WaitEvent().
+

+

+This function is equivalent to the following code:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
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+34
+35
+36
+37
+38
+39
+40

+
+
+
+
+
+
+
+
+
+
+
+
+CoglRenderer *renderer = cogl_renderer_new ();
+CoglDisplay *display;
+
+cogl_renderer_set_winsys_id (renderer, COGL_WINSYS_ID_SDL);
+
+cogl_sdl_renderer_set_event_type (renderer, type);
+
+if (!cogl_renderer_connect (renderer, error))
+  return NULL;
+
+display = cogl_display_new (renderer, NULL);
+if (!cogl_display_setup (display, error))
+  return NULL;
+
+return cogl_context_new (display, error);

+

+
+

+

+

+

+

+
Note
SDL applications are required to either use this API or
+to manually create a CoglRenderer and call
+cogl_sdl_renderer_set_event_type().

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




type :
An SDL user event type between SDL_USEREVENT and
+SDL_NUMEVENTS - 1
error :
A CoglError return location.

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_sdl_renderer_set_event_type ()

+
void                cogl_sdl_renderer_set_event_type    (CoglRenderer *renderer,
+                                                         int type);

+

+Tells Cogl what SDL user event type it can use as a way to
+interrupt SDL_WaitEvent() to ensure that cogl_sdl_handle_event()
+will be called in a finite amount of time.
+

+

+

+

+
Note
This should only be called on an un-connected
+renderer.

+

+

+

+

+

+
Note
For convenience most simple applications can use
+cogl_sdl_context_new() if they don't want to manually create
+CoglRenderer and CoglDisplay objects during
+initialization.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




renderer :
A CoglRenderer
+
type :
An SDL user event type between SDL_USEREVENT and
+SDL_NUMEVENTS - 1

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_sdl_renderer_get_event_type ()

+
int                 cogl_sdl_renderer_get_event_type    (CoglRenderer *renderer);

+

+Queries what SDL user event type Cogl is using as a way to
+interrupt SDL_WaitEvent(). This is set either using
+cogl_sdl_context_new or by using
+cogl_sdl_renderer_set_event_type().
+

+

++++
+
+
+
+
+




renderer :
A CoglRenderer
+

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_sdl_handle_event ()

+
void                cogl_sdl_handle_event               (CoglContext *context,
+                                                         SDL_Event *event);

+

+Passes control to Cogl so that it may dispatch any internal event
+callbacks in response to the given SDL event. This function must
+be called for every SDL event.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
event :
An SDL event

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_sdl_idle ()

+
void                cogl_sdl_idle                       (CoglContext *context);

+

+Notifies Cogl that the application is idle and about to call
+SDL_WaitEvent(). Cogl may use this to run low priority book keeping
+tasks.
+

+

++++
+
+
+
+
+




context :
A CoglContext
+

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+
cogl_sdl_onscreen_get_window ()

+
SDL_Window *        cogl_sdl_onscreen_get_window        (CoglOnscreen *onscreen);

+

++++
+
+
+
+
+
+
+
+
+
+
+




onscreen :
A CoglOnscreen
+
Returns :
the underlying SDL_Window associated with an onscreen framebuffer.

+
Since 2.0

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Shader-snippets.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Shader-snippets.html
new file mode 100644
index 0000000..3e25129
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Shader-snippets.html
@@ -0,0 +1,1033 @@
+
+
+
+
+Shader snippets
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Shader snippets

+
Shader snippets — Functions for creating and manipulating shader snippets

+

+

+
Synopsis

+
                    CoglSnippet;
+enum                CoglSnippetHook;
+CoglSnippet *       cogl_snippet_new                    (CoglSnippetHook hook,
+                                                         const char *declarations,
+                                                         const char *post);
+CoglSnippetHook     cogl_snippet_get_hook               (CoglSnippet *snippet);
+CoglBool            cogl_is_snippet                     (void *object);
+void                cogl_snippet_set_declarations       (CoglSnippet *snippet,
+                                                         const char *declarations);
+const char *        cogl_snippet_get_declarations       (CoglSnippet *snippet);
+void                cogl_snippet_set_pre                (CoglSnippet *snippet,
+                                                         const char *pre);
+const char *        cogl_snippet_get_pre                (CoglSnippet *snippet);
+void                cogl_snippet_set_replace            (CoglSnippet *snippet,
+                                                         const char *replace);
+const char *        cogl_snippet_get_replace            (CoglSnippet *snippet);
+void                cogl_snippet_set_post               (CoglSnippet *snippet,
+                                                         const char *post);
+const char *        cogl_snippet_get_post               (CoglSnippet *snippet);
+

+

+

+
Description

+

+CoglSnippets are used to modify or replace parts of a
+CoglPipeline using GLSL. GLSL is a programming language supported
+by OpenGL on programmable hardware to provide a more flexible
+description of what should be rendered. A description of GLSL
+itself is outside the scope of this documentation but any good
+OpenGL book should help to describe it.
+

+

+Unlike in OpenGL, when using GLSL with Cogl it is possible to write
+short snippets to replace small sections of the pipeline instead of
+having to replace the whole of either the vertex or fragment
+pipelines. Of course it is also possible to replace the whole of
+the pipeline if needed.
+

+

+Each snippet is a standalone chunk of code which would attach to
+the pipeline at a particular point. The code is split into four
+separate strings (all of which are optional):
+

+

+

+

+
declarations

+

+The code in this string will be inserted outside of any function in
+the global scope of the shader. This can be used to declare
+uniforms, attributes, varyings and functions to be used by the
+snippet.
+  

+
pre

+

+The code in this string will be inserted before the hook point.
+  

+
post

+

+The code in this string will be inserted after the hook point. This
+can be used to modify the results of the builtin generated code for
+that hook point.
+  

+
replace

+

+If present the code in this string will replace the generated code
+for the hook point.
+  

+

+

+

+

+All of the strings apart from the declarations string of a pipeline
+are generated in a single function so they can share variables
+declared from one string in another. The scope of the code is
+limited to each snippet so local variables declared in the snippet
+will not collide with variables declared in another
+snippet. However, code in the 'declarations' string is global to
+the shader so it is the application's responsibility to ensure that
+variables declared here will not collide with those from other
+snippets.
+

+

+The snippets can be added to a pipeline with
+cogl_pipeline_add_snippet() or
+cogl_pipeline_add_layer_snippet(). Which function to use depends on
+which hook the snippet is targetting. The snippets are all
+generated in the order they are added to the pipeline. That is, the
+post strings are executed in the order they are added to the
+pipeline and the pre strings are executed in reverse order. If any
+replace strings are given for a snippet then any other snippets
+with the same hook added before that snippet will be ignored. The
+different hooks are documented under CoglSnippetHook.
+

+

+For portability with GLES2, it is recommended not to use the GLSL
+builtin names such as gl_FragColor. Instead there are replacement
+names under the cogl_* namespace which can be used instead. These
+are:
+

+

+

+

+
uniform mat4
+        cogl_modelview_matrix

+

+   The current modelview matrix. This is equivalent to
+   gl_ModelViewMatrix.
+  

+
uniform mat4
+        cogl_projection_matrix

+

+   The current projection matrix. This is equivalent to
+   gl_ProjectionMatrix.
+  

+
uniform mat4
+        cogl_modelview_projection_matrix

+

+   The combined modelview and projection matrix. A vertex shader
+   would typically use this to transform the incoming vertex
+   position. The separate modelview and projection matrices are
+   usually only needed for lighting calculations. This is
+   equivalent to gl_ModelViewProjectionMatrix.
+  

+
uniform mat4
+        cogl_texture_matrix[]

+

+   An array of matrices for transforming the texture
+   coordinates. This is equivalent to gl_TextureMatrix.
+  

+

+

+

+

+In a vertex shader, the following are also available:
+

+

+

+

+
attribute vec4
+        cogl_position_in

+

+   The incoming vertex position. This is equivalent to gl_Vertex.
+  

+
attribute vec4
+        cogl_color_in

+

+   The incoming vertex color. This is equivalent to gl_Color.
+  

+
attribute vec4
+        cogl_tex_coord_in

+

+   The texture coordinate for layer 0. This is an alternative name
+   for cogl_tex_coord0_in.
+  

+
attribute vec4
+        cogl_tex_coord0_in

+

+   The texture coordinate for the layer 0. This is equivalent to
+   gl_MultiTexCoord0. There will also be cogl_tex_coord1_in and
+   so on if more layers are added to the pipeline.
+  

+
attribute vec3
+        cogl_normal_in

+

+   The normal of the vertex. This is equivalent to gl_Normal.
+  

+
vec4
+        cogl_position_out

+

+   The calculated position of the vertex. This must be written to
+   in all vertex shaders. This is equivalent to gl_Position.
+  

+
float
+        cogl_point_size_in

+

+   The incoming point size from the cogl_point_size_in attribute.
+   This is only available if
+   cogl_pipeline_set_per_vertex_point_size() is set on the
+   pipeline.
+  

+
float
+        cogl_point_size_out

+

+   The calculated size of a point. This is equivalent to gl_PointSize.
+  

+
varying vec4
+        cogl_color_out

+

+   The calculated color of a vertex. This is equivalent to gl_FrontColor.
+  

+
varying vec4
+        cogl_tex_coord0_out

+

+   The calculated texture coordinate for layer 0 of the pipeline.
+   This is equivalent to gl_TexCoord[0]. There will also be
+   cogl_tex_coord1_out and so on if more layers are added to the
+   pipeline. In the fragment shader, this varying is called
+   cogl_tex_coord0_in.
+  

+

+

+

+

+In a fragment shader, the following are also available:
+

+

+

+

+
varying vec4 cogl_color_in

+

+   The calculated color of a vertex. This is equivalent to gl_FrontColor.
+  

+
varying vec4
+             cogl_tex_coord0_in

+

+   The texture coordinate for layer 0. This is equivalent to
+   gl_TexCoord[0]. There will also be cogl_tex_coord1_in and so
+   on if more layers are added to the pipeline.
+  

+
vec4 cogl_color_out

+

+   The final calculated color of the fragment. All fragment shaders
+   must write to this variable. This is equivalent to
+   gl_FrontColor.
+  

+
float cogl_depth_out

+

+   An optional output variable specifying the depth value to use
+   for this fragment. This is equivalent to gl_FragDepth.
+  

+
bool cogl_front_facing

+

+   A readonly variable that will be true if the current primitive
+   is front facing. This can be used to implement two-sided
+   coloring algorithms. This is equivalent to gl_FrontFacing.
+  

+
vec2 cogl_point_coord

+

+   When rendering points, this will contain a vec2 which represents
+   the position within the point of the current fragment.
+   vec2(0.0,0.0) will be the topleft of the point and vec2(1.0,1.0)
+   will be the bottom right. Note that there is currently a bug in
+   Cogl where when rendering to an offscreen buffer these
+   coordinates will be upside-down. The value is undefined when not
+   rendering points. This builtin can only be used if the
+   COGL_FEATURE_ID_POINT_SPRITE feature is available.
+  

+

+

+

+

+Here is an example of using a snippet to add a desaturate effect to the
+generated color on a pipeline.
+

+

+

+
+  CoglPipeline *pipeline = cogl_pipeline_new ();
+
+  /* Set up the pipeline here, ie by adding a texture or other
+     layers */
+
+  /* Create the snippet. The first string is the declarations which
+     we will use to add a uniform. The second is the 'post' string which
+     will contain the code to perform the desaturation. */
+  CoglSnippet *snippet =
+    cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                      "uniform float factor;",
+                      "float gray = dot (vec3 (0.299, 0.587, 0.114), "
+                      "                  cogl_color_out.rgb);"
+                      "cogl_color_out.rgb = mix (vec3 (gray),"
+                      "                          cogl_color_out.rgb,"
+                      "                          factor);");
+
+  /* Add it to the pipeline */
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  /* The pipeline keeps a reference to the snippet
+     so we don't need to */
+  cogl_object_unref (snippet);
+
+  /* Update the custom uniform on the pipeline */
+  int location = cogl_pipeline_get_uniform_location (pipeline, "factor");
+  cogl_pipeline_set_uniform_1f (pipeline, location, 0.5f);
+
+  /* Now we can render with the snippet as usual */
+  cogl_push_source (pipeline);
+  cogl_rectangle (0, 0, 10, 10);
+  cogl_pop_source ();
+

+

+

+

+

+
Details

+

+
CoglSnippet

+
typedef struct _CoglSnippet CoglSnippet;

+

+

+

+
enum CoglSnippetHook

+
typedef enum {
+  /* Per pipeline vertex hooks */
+  COGL_SNIPPET_HOOK_VERTEX = 0,
+  COGL_SNIPPET_HOOK_VERTEX_TRANSFORM,
+  COGL_SNIPPET_HOOK_VERTEX_GLOBALS,
+  COGL_SNIPPET_HOOK_POINT_SIZE,
+
+  /* Per pipeline fragment hooks */
+  COGL_SNIPPET_HOOK_FRAGMENT = 2048,
+  COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS,
+
+  /* Per layer vertex hooks */
+  COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM = 4096,
+
+  /* Per layer fragment hooks */
+  COGL_SNIPPET_HOOK_LAYER_FRAGMENT = 6144,
+  COGL_SNIPPET_HOOK_TEXTURE_LOOKUP
+} CoglSnippetHook;
+

+

+CoglSnippetHook is used to specify a location within a
+CoglPipeline where the code of the snippet should be used when it
+is attached to a pipeline.
+

+

+

+

+
COGL_SNIPPET_HOOK_VERTEX_GLOBALS

+

+Adds a shader snippet at the beginning of the global section of the
+shader for the vertex processing. Any declarations here can be
+shared with all other snippets that are attached to a vertex hook.
+Only the ‘declarations’ string is used and the other strings are
+ignored.
+

+
COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS

+

+Adds a shader snippet at the beginning of the global section of the
+shader for the fragment processing. Any declarations here can be
+shared with all other snippets that are attached to a fragment
+hook. Only the ‘declarations’ string is used and the other strings
+are ignored.
+

+
COGL_SNIPPET_HOOK_VERTEX

+

+

+Adds a shader snippet that will hook on to the vertex processing
+stage of the pipeline. This gives a chance for the application to
+modify the vertex attributes generated by the shader. Typically the
+snippet will modify cogl_color_out or cogl_position_out builtins.
+

+

+The ‘declarations’ string in snippet will be inserted in the
+global scope of the shader. Use this to declare any uniforms,
+attributes or functions that the snippet requires.
+

+

+The ‘pre’ string in snippet will be inserted at the top of the
+main() function before any vertex processing is done.
+

+

+The ‘replace’ string in snippet will be used instead of the
+generated vertex processing if it is present. This can be used if
+the application wants to provide a complete vertex shader and
+doesn't need the generated output from Cogl.
+

+

+The ‘post’ string in snippet will be inserted after all of the
+standard vertex processing is done. This can be used to modify the
+outputs.
+

+

+
COGL_SNIPPET_HOOK_VERTEX_TRANSFORM

+

+

+Adds a shader snippet that will hook on to the vertex transform stage.
+Typically the snippet will use the cogl_modelview_matrix,
+cogl_projection_matrix and cogl_modelview_projection_matrix matrices and the
+cogl_position_in attribute. The hook must write to cogl_position_out.
+The default processing for this hook will multiply cogl_position_in by
+the combined modelview-projection matrix and store it on cogl_position_out.
+

+

+The ‘declarations’ string in snippet will be inserted in the
+global scope of the shader. Use this to declare any uniforms,
+attributes or functions that the snippet requires.
+

+

+The ‘pre’ string in snippet will be inserted at the top of the
+main() function before the vertex transform is done.
+

+

+The ‘replace’ string in snippet will be used instead of the
+generated vertex transform if it is present.
+

+

+The ‘post’ string in snippet will be inserted after all of the
+standard vertex transformation is done. This can be used to modify the
+cogl_position_out in addition to the default processing.
+

+

+
COGL_SNIPPET_HOOK_POINT_SIZE

+

+

+Adds a shader snippet that will hook on to the point size
+calculation step within the vertex shader stage. The snippet should
+write to the builtin cogl_point_size_out with the new point size.
+The snippet can either read cogl_point_size_in directly and write a
+new value or first read an existing value in cogl_point_size_out
+that would be set by a previous snippet. Note that this hook is
+only used if cogl_pipeline_set_per_vertex_point_size() is enabled
+on the pipeline.
+

+

+The ‘declarations’ string in snippet will be inserted in the
+global scope of the shader. Use this to declare any uniforms,
+attributes or functions that the snippet requires.
+

+

+The ‘pre’ string in snippet will be inserted just before
+calculating the point size.
+

+

+The ‘replace’ string in snippet will be used instead of the
+generated point size calculation if it is present.
+

+

+The ‘post’ string in snippet will be inserted after the
+standard point size calculation is done. This can be used to modify
+cogl_point_size_out in addition to the default processing.
+

+

+
COGL_SNIPPET_HOOK_FRAGMENT

+

+

+Adds a shader snippet that will hook on to the fragment processing
+stage of the pipeline. This gives a chance for the application to
+modify the fragment color generated by the shader. Typically the
+snippet will modify cogl_color_out.
+

+

+The ‘declarations’ string in snippet will be inserted in the
+global scope of the shader. Use this to declare any uniforms,
+attributes or functions that the snippet requires.
+

+

+The ‘pre’ string in snippet will be inserted at the top of the
+main() function before any fragment processing is done.
+

+

+The ‘replace’ string in snippet will be used instead of the
+generated fragment processing if it is present. This can be used if
+the application wants to provide a complete fragment shader and
+doesn't need the generated output from Cogl.
+

+

+The ‘post’ string in snippet will be inserted after all of the
+standard fragment processing is done. At this point the generated
+value for the rest of the pipeline state will already be in
+cogl_color_out so the application can modify the result by altering
+this variable.
+

+

+
COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM

+

+

+Adds a shader snippet that will hook on to the texture coordinate
+transformation of a particular layer. This can be used to replace
+the processing for a layer or to modify the results.
+

+

+Within the snippet code for this hook there are two extra
+variables. The first is a mat4 called cogl_matrix which represents
+the user matrix for this layer. The second is called cogl_tex_coord
+and represents the incoming and outgoing texture coordinate. On
+entry to the hook, cogl_tex_coord contains the value of the
+corresponding texture coordinate attribute for this layer. The hook
+is expected to modify this variable. The output will be passed as a
+varying to the fragment processing stage. The default code will
+just multiply cogl_matrix by cogl_tex_coord and store the result in
+cogl_tex_coord.
+

+

+The ‘declarations’ string in snippet will be inserted in the
+global scope of the shader. Use this to declare any uniforms,
+attributes or functions that the snippet requires.
+

+

+The ‘pre’ string in snippet will be inserted just before the
+fragment processing for this layer. At this point cogl_tex_coord
+still contains the value of the texture coordinate attribute.
+

+

+If a ‘replace’ string is given then this will be used instead of
+the default fragment processing for this layer. The snippet can
+modify cogl_tex_coord or leave it as is to apply no transformation.
+

+

+The ‘post’ string in snippet will be inserted just after the
+transformation. At this point cogl_tex_coord will contain the
+results of the transformation but it can be further modified by the
+snippet.
+

+

+
COGL_SNIPPET_HOOK_LAYER_FRAGMENT

+

+

+Adds a shader snippet that will hook on to the fragment processing
+of a particular layer. This can be used to replace the processing
+for a layer or to modify the results.
+

+

+Within the snippet code for this hook there is an extra vec4
+variable called ‘cogl_layer’. This contains the resulting color
+that will be used for the layer. This can be modified in the ‘post’
+section or it the default processing can be replaced entirely using
+the ‘replace’ section.
+

+

+The ‘declarations’ string in snippet will be inserted in the
+global scope of the shader. Use this to declare any uniforms,
+attributes or functions that the snippet requires.
+

+

+The ‘pre’ string in snippet will be inserted just before the
+fragment processing for this layer.
+

+

+If a ‘replace’ string is given then this will be used instead of
+the default fragment processing for this layer. The snippet must write to
+the ‘cogl_layer’ variable in that case.
+

+

+The ‘post’ string in snippet will be inserted just after the
+fragment processing for the layer. The results can be modified by changing
+the value of the ‘cogl_layer’ variable.
+

+

+
COGL_SNIPPET_HOOK_TEXTURE_LOOKUP

+

+

+Adds a shader snippet that will hook on to the texture lookup part
+of a given layer. This gives a chance for the application to modify
+the coordinates that will be used for the texture lookup or to
+alter the returned texel.
+

+

+Within the snippet code for this hook there are three extra
+variables available. ‘cogl_sampler’ is a sampler object
+representing the sampler for the layer where the snippet is
+attached. ‘cogl_tex_coord’ is a vec4 which contains the texture
+coordinates that will be used for the texture lookup. This can be
+modified. ‘cogl_texel’ will contain the result of the texture
+lookup. This can also be modified.
+

+

+The ‘declarations’ string in snippet will be inserted in the
+global scope of the shader. Use this to declare any uniforms,
+attributes or functions that the snippet requires.
+

+

+The ‘pre’ string in snippet will be inserted at the top of the
+main() function before any fragment processing is done. This is a
+good place to modify the cogl_tex_coord variable.
+

+

+If a ‘replace’ string is given then this will be used instead of a
+the default texture lookup. The snippet would typically use its own
+sampler in this case.
+

+

+The ‘post’ string in snippet will be inserted after texture lookup
+has been preformed. Here the snippet can modify the cogl_texel
+variable to alter the returned texel.
+

+

+

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_SNIPPET_HOOK_VERTEX
A hook for the entire vertex processing
+  stage of the pipeline.
+
COGL_SNIPPET_HOOK_VERTEX_TRANSFORM
A hook for the vertex transformation.
+
COGL_SNIPPET_HOOK_VERTEX_GLOBALS
A hook for declaring global data
+  that can be shared with all other snippets that are on a vertex
+  hook.
+
COGL_SNIPPET_HOOK_POINT_SIZE
A hook for manipulating the point
+  size of a vertex. This is only used if
+  cogl_pipeline_set_per_vertex_point_size() is enabled on the
+  pipeline.
+
COGL_SNIPPET_HOOK_FRAGMENT
A hook for the entire fragment
+  processing stage of the pipeline.
+
COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS
A hook for declaring global
+  data wthat can be shared with all other snippets that are on a
+  fragment hook.
+
COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM
A hook for applying the
+  layer matrix to a texture coordinate for a layer.
+
COGL_SNIPPET_HOOK_LAYER_FRAGMENT
A hook for the fragment
+  processing of a particular layer.
+
COGL_SNIPPET_HOOK_TEXTURE_LOOKUP
A hook for the texture lookup
+  stage of a given layer in a pipeline.
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_new ()

+
CoglSnippet *       cogl_snippet_new                    (CoglSnippetHook hook,
+                                                         const char *declarations,
+                                                         const char *post);

+

+Allocates and initializes a new snippet with the given source strings.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




hook :
The point in the pipeline that this snippet will wrap around
+or replace.
declarations :
The source code for the declarations for this
+snippet or NULL. See cogl_snippet_set_declarations().
post :
The source code to run after the hook point where this
+shader snippet is attached or NULL. See cogl_snippet_set_post().
Returns :
a pointer to a new CoglSnippet
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_get_hook ()

+
CoglSnippetHook     cogl_snippet_get_hook               (CoglSnippet *snippet);

+

++++
+
+
+
+
+
+
+
+
+
+
+




snippet :
A CoglSnippet
+
Returns :
the hook that was set when cogl_snippet_new() was
+called.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_is_snippet ()

+
CoglBool            cogl_is_snippet                     (void *object);

+

+Gets whether the given object references an existing snippet object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A CoglObject pointer
Returns :

+TRUE if the object references a CoglSnippet,
+FALSE otherwise

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_set_declarations ()

+
void                cogl_snippet_set_declarations       (CoglSnippet *snippet,
+                                                         const char *declarations);

+

+Sets a source string that will be inserted in the global scope of
+the generated shader when this snippet is used on a pipeline. This
+string is typically used to declare uniforms, attributes or
+functions that will be used by the other parts of the snippets.
+

+

+This function should only be called before the snippet is attached
+to its first pipeline. After that the snippet should be considered
+immutable.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




snippet :
A CoglSnippet
+
declarations :
The new source string for the declarations section
+of this snippet.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_get_declarations ()

+
const char *        cogl_snippet_get_declarations       (CoglSnippet *snippet);

+

++++
+
+
+
+
+
+
+
+
+
+
+




snippet :
A CoglSnippet
+
Returns :
the source string that was set with
+cogl_snippet_set_declarations() or NULL if none was set.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_set_pre ()

+
void                cogl_snippet_set_pre                (CoglSnippet *snippet,
+                                                         const char *pre);

+

+Sets a source string that will be inserted before the hook point in
+the generated shader for the pipeline that this snippet is attached
+to. Please see the documentation of each hook point in
+CoglPipeline for a description of how this string should be used.
+

+

+This function should only be called before the snippet is attached
+to its first pipeline. After that the snippet should be considered
+immutable.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




snippet :
A CoglSnippet
+
pre :
The new source string for the pre section of this snippet.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_get_pre ()

+
const char *        cogl_snippet_get_pre                (CoglSnippet *snippet);

+

++++
+
+
+
+
+
+
+
+
+
+
+




snippet :
A CoglSnippet
+
Returns :
the source string that was set with
+cogl_snippet_set_pre() or NULL if none was set.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_set_replace ()

+
void                cogl_snippet_set_replace            (CoglSnippet *snippet,
+                                                         const char *replace);

+

+Sets a source string that will be used instead of any generated
+source code or any previous snippets for this hook point. Please
+see the documentation of each hook point in CoglPipeline for a
+description of how this string should be used.
+

+

+This function should only be called before the snippet is attached
+to its first pipeline. After that the snippet should be considered
+immutable.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




snippet :
A CoglSnippet
+
replace :
The new source string for the replace section of this snippet.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_get_replace ()

+
const char *        cogl_snippet_get_replace            (CoglSnippet *snippet);

+

++++
+
+
+
+
+
+
+
+
+
+
+




snippet :
A CoglSnippet
+
Returns :
the source string that was set with
+cogl_snippet_set_replace() or NULL if none was set.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_set_post ()

+
void                cogl_snippet_set_post               (CoglSnippet *snippet,
+                                                         const char *post);

+

+Sets a source string that will be inserted after the hook point in
+the generated shader for the pipeline that this snippet is attached
+to. Please see the documentation of each hook point in
+CoglPipeline for a description of how this string should be used.
+

+

+This function should only be called before the snippet is attached
+to its first pipeline. After that the snippet should be considered
+immutable.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




snippet :
A CoglSnippet
+
post :
The new source string for the post section of this snippet.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_snippet_get_post ()

+
const char *        cogl_snippet_get_post               (CoglSnippet *snippet);

+

++++
+
+
+
+
+
+
+
+
+
+
+




snippet :
A CoglSnippet
+
Returns :
the source string that was set with
+cogl_snippet_set_post() or NULL if none was set.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Sliced-Textures.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Sliced-Textures.html
new file mode 100644
index 0000000..36594e4
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Sliced-Textures.html
@@ -0,0 +1,478 @@
+
+
+
+
+Sliced Textures
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Sliced Textures

+
Sliced Textures — Functions for creating and manipulating 2D meta
+                    textures that may internally be comprised of
+                    multiple 2D textures with power-of-two sizes.

+

+

+
Synopsis

+
                    CoglTexture2DSliced;
+CoglTexture2DSliced * cogl_texture_2d_sliced_new_with_size
+                                                        (CoglContext *ctx,
+                                                         int width,
+                                                         int height,
+                                                         int max_waste);
+CoglTexture2DSliced * cogl_texture_2d_sliced_new_from_file
+                                                        (CoglContext *ctx,
+                                                         const char *filename,
+                                                         int max_waste,
+                                                         CoglError **error);
+CoglTexture2DSliced * cogl_texture_2d_sliced_new_from_data
+                                                        (CoglContext *ctx,
+                                                         int width,
+                                                         int height,
+                                                         int max_waste,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         const uint8_t *data,
+                                                         CoglError **error);
+CoglTexture2DSliced * cogl_texture_2d_sliced_new_from_bitmap
+                                                        (CoglBitmap *bmp,
+                                                         int max_waste);
+CoglBool            cogl_is_texture_2d_sliced           (void *object);
+

+

+

+
Description

+

+These functions allow high-level meta textures (See the
+CoglMetaTexture interface) to be allocated that may internally be
+comprised of multiple 2D texture "slices" with power-of-two sizes.
+

+

+This API can be useful when working with GPUs that don't have
+native support for non-power-of-two textures or if you want to load
+a texture that is larger than the GPUs maximum texture size limits.
+

+

+The algorithm for slicing works by first trying to map a virtual
+size to the next larger power-of-two size and then seeing how many
+wasted pixels that would result in. For example if you have a
+virtual texture that's 259 texels wide, the next pot size = 512 and
+the amount of waste would be 253 texels. If the amount of waste is
+above a max-waste threshold then we would next slice that texture
+into one that's 256 texels and then looking at how many more texels
+remain unallocated after that we choose the next power-of-two size.
+For the example of a 259 texel image that would mean having a 256
+texel wide texture, leaving 3 texels unallocated so we'd then
+create a 4 texel wide texture - now there is only one texel of
+waste. The algorithm continues to slice the right most textures
+until the amount of waste is less than or equal to a specfied
+max-waste threshold. The same logic for slicing from left to right
+is also applied from top to bottom.
+

+

+

+
Details

+

+
CoglTexture2DSliced

+
typedef struct _CoglTexture2DSliced CoglTexture2DSliced;

+

+

+

+
cogl_texture_2d_sliced_new_with_size ()

+
CoglTexture2DSliced * cogl_texture_2d_sliced_new_with_size
+                                                        (CoglContext *ctx,
+                                                         int width,
+                                                         int height,
+                                                         int max_waste);

+

+Creates a CoglTexture2DSliced that may internally be comprised of
+1 or more CoglTexture2D textures depending on GPU limitations.
+For example if the GPU only supports power-of-two sized textures
+then a sliced texture will turn a non-power-of-two size into a
+combination of smaller power-of-two sized textures. If the
+requested texture size is larger than is supported by the hardware
+then the texture will be sliced into smaller textures that can be
+accessed by the hardware.
+

+

+max_waste is used as a threshold for recursively slicing the
+right-most or bottom-most slices into smaller sizes until the
+wasted padding at the bottom and right of the textures is less than
+specified. A negative max_waste will disable slicing.
+

+

+The storage for the texture is not allocated before this function
+returns. You can call cogl_texture_allocate() to explicitly
+allocate the underlying storage or let Cogl automatically allocate
+storage lazily.
+

+

+

+

+
Note
It's possible for the allocation of a sliced texture to fail
+later due to impossible slicing constraints if a negative
+max_waste value is given. If the given virtual texture size size
+is larger than is supported by the hardware but slicing is disabled
+the texture size would be too large to handle.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




ctx :
A CoglContext
+
width :
The virtual width of your sliced texture.
height :
The virtual height of your sliced texture.
max_waste :
The threshold of how wide a strip of wasted texels
+are allowed along the right and bottom textures before
+they must be sliced to reduce the amount of waste. A
+negative can be passed to disable slicing.
Returns :
A new CoglTexture2DSliced object with no storage
+allocated yet. [transfer full]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_texture_2d_sliced_new_from_file ()

+
CoglTexture2DSliced * cogl_texture_2d_sliced_new_from_file
+                                                        (CoglContext *ctx,
+                                                         const char *filename,
+                                                         int max_waste,
+                                                         CoglError **error);

+

+Creates a CoglTexture2DSliced from an image file.
+

+

+A CoglTexture2DSliced may internally be comprised of 1 or more
+CoglTexture2D textures depending on GPU limitations.  For example
+if the GPU only supports power-of-two sized textures then a sliced
+texture will turn a non-power-of-two size into a combination of
+smaller power-of-two sized textures. If the requested texture size
+is larger than is supported by the hardware then the texture will
+be sliced into smaller textures that can be accessed by the
+hardware.
+

+

+max_waste is used as a threshold for recursively slicing the
+right-most or bottom-most slices into smaller sizes until the
+wasted padding at the bottom and right of the textures is less than
+specified. A negative max_waste will disable slicing.
+

+

+The storage for the texture is not allocated before this function
+returns. You can call cogl_texture_allocate() to explicitly
+allocate the underlying storage or let Cogl automatically allocate
+storage lazily.
+

+

+

+

+
Note
It's possible for the allocation of a sliced texture to fail
+later due to impossible slicing constraints if a negative
+max_waste value is given. If the given virtual texture size is
+larger than is supported by the hardware but slicing is disabled
+the texture size would be too large to handle.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




ctx :
A CoglContext
+
filename :
the file to load
max_waste :
The threshold of how wide a strip of wasted texels
+are allowed along the right and bottom textures before
+they must be sliced to reduce the amount of waste. A
+negative can be passed to disable slicing.
error :
A CoglError to catch exceptional errors or NULL
+
Returns :
A newly created CoglTexture2DSliced
+or NULL on failure and error will be updated. [transfer full]
+

+
Since 1.16

+

+

+

+
cogl_texture_2d_sliced_new_from_data ()

+
CoglTexture2DSliced * cogl_texture_2d_sliced_new_from_data
+                                                        (CoglContext *ctx,
+                                                         int width,
+                                                         int height,
+                                                         int max_waste,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         const uint8_t *data,
+                                                         CoglError **error);

+

+Creates a new CoglTexture2DSliced texture based on data residing
+in memory.
+

+

+A CoglTexture2DSliced may internally be comprised of 1 or more
+CoglTexture2D textures depending on GPU limitations.  For example
+if the GPU only supports power-of-two sized textures then a sliced
+texture will turn a non-power-of-two size into a combination of
+smaller power-of-two sized textures. If the requested texture size
+is larger than is supported by the hardware then the texture will
+be sliced into smaller textures that can be accessed by the
+hardware.
+

+

+max_waste is used as a threshold for recursively slicing the
+right-most or bottom-most slices into smaller sizes until the
+wasted padding at the bottom and right of the textures is less than
+specified. A negative max_waste will disable slicing.
+

+

+

+

+
Note
This api will always immediately allocate GPU memory for all
+the required texture slices and upload the given data so that the
+data pointer does not need to remain valid once this function
+returns. This means it is not possible to configure the texture
+before it is allocated. If you do need to configure the texture
+before allocation (to specify constraints on the internal format
+for example) then you can instead create a CoglBitmap for your
+data and use cogl_texture_2d_sliced_new_from_bitmap() or use
+cogl_texture_2d_sliced_new_with_size() and then upload data using
+cogl_texture_set_data()
+

+

+

+

+

+

+
Note
It's possible for the allocation of a sliced texture to fail
+due to impossible slicing constraints if a negative max_waste
+value is given. If the given virtual texture size is larger than is
+supported by the hardware but slicing is disabled the texture size
+would be too large to handle.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




ctx :
A CoglContext
+
width :
width of texture in pixels
height :
height of texture in pixels
format :
the CoglPixelFormat the buffer is stored in in RAM
max_waste :
The threshold of how wide a strip of wasted texels
+are allowed along the right and bottom textures before
+they must be sliced to reduce the amount of waste. A
+negative can be passed to disable slicing.
rowstride :
the memory offset in bytes between the start of each
+row in data. A value of 0 will make Cogl automatically
+calculate rowstride from width and format.
data :
pointer the memory region where the source buffer resides
error :
A CoglError to catch exceptional errors or NULL
+
Returns :
A newly created CoglTexture2DSliced
+or NULL on failure and error will be updated. [transfer full]
+

+
Since 1.16

+

+

+

+
cogl_texture_2d_sliced_new_from_bitmap ()

+
CoglTexture2DSliced * cogl_texture_2d_sliced_new_from_bitmap
+                                                        (CoglBitmap *bmp,
+                                                         int max_waste);

+

+Creates a new CoglTexture2DSliced texture based on data residing
+in a bitmap.
+

+

+A CoglTexture2DSliced may internally be comprised of 1 or more
+CoglTexture2D textures depending on GPU limitations.  For example
+if the GPU only supports power-of-two sized textures then a sliced
+texture will turn a non-power-of-two size into a combination of
+smaller power-of-two sized textures. If the requested texture size
+is larger than is supported by the hardware then the texture will
+be sliced into smaller textures that can be accessed by the
+hardware.
+

+

+max_waste is used as a threshold for recursively slicing the
+right-most or bottom-most slices into smaller sizes until the
+wasted padding at the bottom and right of the textures is less than
+specified. A negative max_waste will disable slicing.
+

+

+The storage for the texture is not allocated before this function
+returns. You can call cogl_texture_allocate() to explicitly
+allocate the underlying storage or let Cogl automatically allocate
+storage lazily.
+

+

+

+

+
Note
It's possible for the allocation of a sliced texture to fail
+later due to impossible slicing constraints if a negative
+max_waste value is given. If the given virtual texture size is
+larger than is supported by the hardware but slicing is disabled
+the texture size would be too large to handle.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




bmp :
A CoglBitmap
+
max_waste :
The threshold of how wide a strip of wasted texels
+are allowed along the right and bottom textures before
+they must be sliced to reduce the amount of waste. A
+negative can be passed to disable slicing.
Returns :
A newly created CoglTexture2DSliced
+or NULL on failure and error will be updated. [transfer full]
+

+
Since 1.16

+

+

+

+
cogl_is_texture_2d_sliced ()

+
CoglBool            cogl_is_texture_2d_sliced           (void *object);

+

+Gets whether the given object references a CoglTexture2DSliced.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A CoglObject pointer
Returns :

+TRUE if the object references a CoglTexture2DSliced
+and FALSE otherwise.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Sub-Textures.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Sub-Textures.html
new file mode 100644
index 0000000..864ce78
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Sub-Textures.html
@@ -0,0 +1,171 @@
+
+
+
+
+Sub Textures
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Sub Textures

+
Sub Textures — Functions for creating and manipulating
+                    sub-textures.

+

+

+
Synopsis

+
                    CoglSubTexture;
+CoglSubTexture *    cogl_sub_texture_new                (CoglContext *ctx,
+                                                         CoglTexture *parent_texture,
+                                                         int sub_x,
+                                                         int sub_y,
+                                                         int sub_width,
+                                                         int sub_height);
+CoglBool            cogl_is_sub_texture                 (void *object);
+

+

+

+
Description

+

+These functions allow high-level textures to be created that
+represent a sub-region of another texture. For example these
+can be used to implement custom texture atlasing schemes.
+

+

+

+
Details

+

+
CoglSubTexture

+
typedef struct _CoglSubTexture CoglSubTexture;

+

+

+

+
cogl_sub_texture_new ()

+
CoglSubTexture *    cogl_sub_texture_new                (CoglContext *ctx,
+                                                         CoglTexture *parent_texture,
+                                                         int sub_x,
+                                                         int sub_y,
+                                                         int sub_width,
+                                                         int sub_height);

+

+Creates a high-level CoglSubTexture representing a sub-region of
+any other CoglTexture. The sub-region must strictly lye within the
+bounds of the parent_texture. The returned texture implements the
+CoglMetaTexture interface because it's not a low level texture
+that hardware can understand natively.
+

+

+

+

+
Note
Remember: Unless you are using high level drawing APIs such
+as cogl_rectangle() or other APIs documented to understand the
+CoglMetaTexture interface then you need to use the
+CoglMetaTexture interface to resolve a CoglSubTexture into a
+low-level texture before drawing.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




ctx :
A CoglContext pointer
parent_texture :
The full texture containing a sub-region you want
+to make a CoglSubTexture from.
sub_x :
The top-left x coordinate of the parent region to make
+a texture from.
sub_y :
The top-left y coordinate of the parent region to make
+a texture from.
sub_width :
The width of the parent region to make a texture from.
sub_height :
The height of the parent region to make a texture
+from.
Returns :
A newly allocated CoglSubTexture
+representing a sub-region of parent_texture. [transfer full]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_is_sub_texture ()

+
CoglBool            cogl_is_sub_texture                 (void *object);

+

+Checks whether object is a CoglSubTexture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
a CoglObject
+
Returns :

+TRUE if the passed object represents a
+CoglSubTexture and FALSE otherwise.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-The-Object-Interface.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-The-Object-Interface.html
new file mode 100644
index 0000000..9c83fe3
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-The-Object-Interface.html
@@ -0,0 +1,332 @@
+
+
+
+
+The Object Interface
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
The Object Interface

+
The Object Interface

+

+

+
Synopsis

+
                    CoglObject;
+void *              cogl_object_ref                     (void *object);
+void                cogl_object_unref                   (void *object);
+                    CoglUserDataKey;
+typedef             CoglUserDataDestroyCallback;
+void *              cogl_object_get_user_data           (CoglObject *object,
+                                                         CoglUserDataKey *key);
+void                cogl_object_set_user_data           (CoglObject *object,
+                                                         CoglUserDataKey *key,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);
+

+

+

+
Description

+

+

+
Details

+

+
CoglObject

+
typedef struct _CoglObject CoglObject;

+

+Ref Func: cogl_object_ref
+Unref Func: cogl_object_unref
+Set Value Func: cogl_object_value_set_object
+Get Value Func: cogl_object_value_get_object
+

+

+

+

+
cogl_object_ref ()

+
void *              cogl_object_ref                     (void *object);

+

+Increases the reference count of object by 1
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
a CoglObject
+
Returns :
the object, with its reference count increased

+

+

+

+
cogl_object_unref ()

+
void                cogl_object_unref                   (void *object);

+

+Drecreases the reference count of object by 1; if the reference
+count reaches 0, the resources allocated by object will be freed
+

+

++++
+
+
+
+
+




object :
a CoglObject
+

+

+

+

+
CoglUserDataKey

+
typedef struct {
+  int unused;
+} CoglUserDataKey;
+

+

+A CoglUserDataKey is used to declare a key for attaching data to a
+CoglObject using cogl_object_set_user_data. The typedef only exists as a
+formality to make code self documenting since only the unique address of a
+CoglUserDataKey is used.
+

+

+Typically you would declare a static CoglUserDataKey and set private data
+on an object something like this:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40

+
+
+
+
+
+
+
+
+
+
+
+
+static CoglUserDataKey path_private_key;
+
+static void
+destroy_path_private_cb (void *data)
+{
+  g_free (data);
+}
+
+static void
+my_path_set_data (CoglPath *path, void *data)
+{
+  cogl_object_set_user_data (COGL_OBJECT (path),
+                             &private_key,
+                             data,
+                             destroy_path_private_cb);
+}

+

+
+

+

+

++++
+
+
+
+
+




int unused;
ignored.

+
Since 1.4

+

+

+

+
CoglUserDataDestroyCallback

+
typedef GDestroyNotify CoglUserDataDestroyCallback;
+

+

+When associating private data with a CoglObject a callback can be
+given which will be called either if the object is destroyed or if
+cogl_object_set_user_data() is called with NULL user_data for the
+same key.
+

+
Since 1.4

+

+

+

+
cogl_object_get_user_data ()

+
void *              cogl_object_get_user_data           (CoglObject *object,
+                                                         CoglUserDataKey *key);

+

+Finds the user data previously associated with object using
+the given key. If no user data has been associated with object
+for the given key this function returns NULL.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




object :
The object with associated private data to query
key :
The address of a CoglUserDataKey which provides a unique value
+with which to index the private data.
Returns :
The user data previously associated
+with object using the given key; or NULL if no associated
+data is found. [transfer none]
+

+
Since 1.4

+

+

+

+
cogl_object_set_user_data ()

+
void                cogl_object_set_user_data           (CoglObject *object,
+                                                         CoglUserDataKey *key,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);

+

+Associates some private user_data with a given CoglObject. To
+later remove the association call cogl_object_set_user_data() with
+the same key but NULL for the user_data.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




object :
The object to associate private data with
key :
The address of a CoglUserDataKey which provides a unique value
+with which to index the private data.
user_data :
The data to associate with the given object,
+or NULL to remove a previous association.
destroy :
A CoglUserDataDestroyCallback to call if the object is
+destroyed or if the association is removed by later setting
+NULL data for the same key.

+
Since 1.4

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-The-Texture-Interface.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-The-Texture-Interface.html
new file mode 100644
index 0000000..1512ea7
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-The-Texture-Interface.html
@@ -0,0 +1,902 @@
+
+
+
+
+The Texture Interface
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
The Texture Interface

+
The Texture Interface — Functions for creating and manipulating textures

+

+

+
Synopsis

+
typedef             CoglTexture;
+CoglBool            cogl_is_texture                     (void *object);
+
+#define             COGL_TEXTURE_ERROR
+enum                CoglTextureError;
+
+CoglBool            cogl_texture_allocate               (CoglTexture *texture,
+                                                         CoglError **error);
+unsigned int        cogl_texture_get_width              (CoglTexture *texture);
+unsigned int        cogl_texture_get_height             (CoglTexture *texture);
+CoglBool            cogl_texture_is_sliced              (CoglTexture *texture);
+int                 cogl_texture_get_data               (CoglTexture *texture,
+                                                         CoglPixelFormat format,
+                                                         unsigned int rowstride,
+                                                         uint8_t *data);
+CoglBool            cogl_texture_set_data               (CoglTexture *texture,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         const uint8_t *data,
+                                                         int level,
+                                                         CoglError **error);
+CoglBool            cogl_texture_set_region             (CoglTexture *texture,
+                                                         int src_x,
+                                                         int src_y,
+                                                         int dst_x,
+                                                         int dst_y,
+                                                         unsigned int dst_width,
+                                                         unsigned int dst_height,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         unsigned int rowstride,
+                                                         const uint8_t *data);
+enum                CoglTextureType;
+enum                CoglTextureComponents;
+void                cogl_texture_set_components         (CoglTexture *texture,
+                                                         CoglTextureComponents components);
+CoglTextureComponents cogl_texture_get_components       (CoglTexture *texture);
+void                cogl_texture_set_premultiplied      (CoglTexture *texture,
+                                                         CoglBool premultiplied);
+CoglBool            cogl_texture_get_premultiplied      (CoglTexture *texture);
+

+

+

+
Description

+

+Cogl allows creating and manipulating textures using a uniform
+API that tries to hide all the various complexities of creating,
+loading and manipulating textures.
+

+

+

+
Details

+

+
CoglTexture

+
typedef void CoglTexture;
+

+

+

+

+
cogl_is_texture ()

+
CoglBool            cogl_is_texture                     (void *object);

+

+Gets whether the given object references a texture object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A CoglObject pointer
Returns :

+TRUE if the object references a texture, and
+FALSE otherwise

+

+

+

+
COGL_TEXTURE_ERROR

+
#define COGL_TEXTURE_ERROR (cogl_texture_error_quark ())
+

+

+CoglError domain for texture errors.
+

+
Since 1.8

+
Stability Level: Unstable

+

+

+

+
enum CoglTextureError

+
typedef enum {
+  COGL_TEXTURE_ERROR_SIZE,
+  COGL_TEXTURE_ERROR_FORMAT,
+  COGL_TEXTURE_ERROR_BAD_PARAMETER,
+  COGL_TEXTURE_ERROR_TYPE
+} CoglTextureError;
+

+

+Error codes that can be thrown when allocating textures.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_TEXTURE_ERROR_SIZE
Unsupported size
+
COGL_TEXTURE_ERROR_FORMAT
Unsupported format
+
COGL_TEXTURE_ERROR_BAD_PARAMETER
COGL_TEXTURE_ERROR_TYPE
A primitive texture type that is
+  unsupported by the driver was used
+

+
Since 1.8

+
Stability Level: Unstable

+

+

+

+
cogl_texture_allocate ()

+
CoglBool            cogl_texture_allocate               (CoglTexture *texture,
+                                                         CoglError **error);

+

+Explicitly allocates the storage for the given texture which
+allows you to be sure that there is enough memory for the
+texture and if not then the error can be handled gracefully.
+

+

+

+

+
Note
Normally applications don't need to use this api directly
+since the texture will be implicitly allocated when data is set on
+the texture, or if the texture is attached to a CoglOffscreen
+framebuffer and rendered too.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




texture :
A CoglTexture
+
error :
A CoglError to return exceptional errors or NULL
+
Returns :

+TRUE if the texture was successfully allocated,
+otherwise FALSE and error will be updated if it
+wasn't NULL.

+

+

+

+
cogl_texture_get_width ()

+
unsigned int        cogl_texture_get_width              (CoglTexture *texture);

+

+Queries the width of a cogl texture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
Returns :
the width of the GPU side texture in pixels

+

+

+

+
cogl_texture_get_height ()

+
unsigned int        cogl_texture_get_height             (CoglTexture *texture);

+

+Queries the height of a cogl texture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
Returns :
the height of the GPU side texture in pixels

+

+

+

+
cogl_texture_is_sliced ()

+
CoglBool            cogl_texture_is_sliced              (CoglTexture *texture);

+

+Queries if a texture is sliced (stored as multiple GPU side tecture
+objects).
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
Returns :

+TRUE if the texture is sliced, FALSE if the texture
+is stored as a single GPU texture

+

+

+

+
cogl_texture_get_data ()

+
int                 cogl_texture_get_data               (CoglTexture *texture,
+                                                         CoglPixelFormat format,
+                                                         unsigned int rowstride,
+                                                         uint8_t *data);

+

+Copies the pixel data from a cogl texture to system memory.
+

+

+

+

+
Note
Don't pass the value of cogl_texture_get_rowstride() as the
+rowstride argument, the rowstride should be the rowstride you
+want for the destination data buffer not the rowstride of the
+source texture

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
format :
the CoglPixelFormat to store the texture as.
rowstride :
the rowstride of data in bytes or pass 0 to calculate
+from the bytes-per-pixel of format multiplied by the
+texture width.
data :
memory location to write the texture's contents, or NULL
+to only query the data size through the return value.
Returns :
the size of the texture data in bytes

+

+

+

+
cogl_texture_set_data ()

+
CoglBool            cogl_texture_set_data               (CoglTexture *texture,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         const uint8_t *data,
+                                                         int level,
+                                                         CoglError **error);

+

+Sets all the pixels for a given mipmap level by copying the pixel
+data pointed to by the data argument into the given texture.
+

+

+data should point to the first pixel to copy corresponding
+to the top left of the mipmap level being set.
+

+

+If rowstride equals 0 then it will be automatically calculated
+from the width of the mipmap level and the bytes-per-pixel for the
+given format.
+

+

+A mipmap level of 0 corresponds to the largest, base image of a
+texture and level 1 is half the width and height of level 0. If
+dividing any dimension of the previous level by two results in a
+fraction then round the number down (floor()), but clamp to 1
+something like this:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+next_width = MAX (1, floor (prev_width));

+

+
+

+

+

+You can determine the number of mipmap levels for a given texture
+like this:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+n_levels = 1 + floor (log2 (max_dimension));

+

+
+

+

+

+Where max_dimension is the larger of cogl_texture_get_width() and
+cogl_texture_get_height().
+

+

+It is an error to pass a level number >= the number of levels that
+texture can have according to the above calculation.
+

+

+

+

+
Note
Since the storage for a CoglTexture is allocated lazily then
+if the given texture has not previously been allocated then this
+api can return FALSE and throw an exceptional error if there is
+not enough memory to allocate storage for texture.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




format :
the CoglPixelFormat used in the source data buffer.
rowstride :
rowstride of the source data buffer (computed from
+the texture width and format if it equals 0)
data :
the source data, pointing to the first top-left pixel to set
level :
The mipmap level to update (Normally 0 for the largest,
+base texture)
error :
A CoglError to return exceptional errors
Returns :

+TRUE if the data upload was successful, and
+FALSE otherwise

+

+

+

+
cogl_texture_set_region ()

+
CoglBool            cogl_texture_set_region             (CoglTexture *texture,
+                                                         int src_x,
+                                                         int src_y,
+                                                         int dst_x,
+                                                         int dst_y,
+                                                         unsigned int dst_width,
+                                                         unsigned int dst_height,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         unsigned int rowstride,
+                                                         const uint8_t *data);

+

+Sets the pixels in a rectangular subregion of texture from an in-memory
+buffer containing pixel data.
+

+

+

+

+
Note
The region set can't be larger than the source data
+

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture.
src_x :
upper left coordinate to use from source data.
src_y :
upper left coordinate to use from source data.
dst_x :
upper left destination horizontal coordinate.
dst_y :
upper left destination vertical coordinate.
dst_width :
width of destination region to write. (Must be less
+than or equal to width)
dst_height :
height of destination region to write. (Must be less
+than or equal to height)
width :
width of source data buffer.
height :
height of source data buffer.
format :
the CoglPixelFormat used in the source buffer.
rowstride :
rowstride of source buffer (computed from width if none
+specified)
data :
the actual pixel data.
Returns :

+TRUE if the subregion upload was successful, and
+FALSE otherwise

+

+

+

+
enum CoglTextureType

+
typedef enum {
+  COGL_TEXTURE_TYPE_2D,
+  COGL_TEXTURE_TYPE_3D,
+  COGL_TEXTURE_TYPE_RECTANGLE
+} CoglTextureType;
+

+

+Constants representing the underlying hardware texture type of a
+CoglTexture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_TEXTURE_TYPE_2D
A CoglTexture2D
+
COGL_TEXTURE_TYPE_3D
A CoglTexture3D
+
COGL_TEXTURE_TYPE_RECTANGLE
A CoglTextureRectangle
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
enum CoglTextureComponents

+
typedef enum {
+  COGL_TEXTURE_COMPONENTS_A = 1,
+  COGL_TEXTURE_COMPONENTS_RG,
+  COGL_TEXTURE_COMPONENTS_RGB,
+  COGL_TEXTURE_COMPONENTS_RGBA,
+  COGL_TEXTURE_COMPONENTS_DEPTH
+} CoglTextureComponents;
+

+

+See cogl_texture_set_components().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_TEXTURE_COMPONENTS_A
Only the alpha component
+
COGL_TEXTURE_COMPONENTS_RG
Red and green components. Note that
+  this can only be used if the COGL_FEATURE_ID_TEXTURE_RG feature
+  is advertised.
+
COGL_TEXTURE_COMPONENTS_RGB
Red, green and blue components
+
COGL_TEXTURE_COMPONENTS_RGBA
Red, green, blue and alpha components
+
COGL_TEXTURE_COMPONENTS_DEPTH
Only a depth component
+

+
Since 1.18

+

+

+

+
cogl_texture_set_components ()

+
void                cogl_texture_set_components         (CoglTexture *texture,
+                                                         CoglTextureComponents components);

+

+Affects the internal storage format for this texture by specifying
+what components will be required for sampling later.
+

+

+This api affects how data is uploaded to the GPU since unused
+components can potentially be discarded from source data.
+

+

+For textures created by the ‘_with_size’ constructors the default
+is COGL_TEXTURE_COMPONENTS_RGBA. The other constructors which take
+a CoglBitmap or a data pointer default to the same components as
+the pixel format of the data.
+

+

+Note that the COGL_TEXTURE_COMPONENTS_RG format is not available
+on all drivers. The availability can be determined by checking for
+the COGL_FEATURE_ID_TEXTURE_RG feature. If this format is used on
+a driver where it is not available then COGL_TEXTURE_ERROR_FORMAT
+will be raised when the texture is allocated. Even if the feature
+is not available then COGL_PIXEL_FORMAT_RG_88 can still be used as
+an image format as long as COGL_TEXTURE_COMPONENTS_RG isn't used
+as the texture's components.
+

+

++++
+
+
+
+
+




texture :
a CoglTexture pointer.

+
Since 1.18

+

+

+

+
cogl_texture_get_components ()

+
CoglTextureComponents cogl_texture_get_components       (CoglTexture *texture);

+

+Queries what components the given texture stores internally as set
+via cogl_texture_set_components().
+

+

+For textures created by the ‘_with_size’ constructors the default
+is COGL_TEXTURE_COMPONENTS_RGBA. The other constructors which take
+a CoglBitmap or a data pointer default to the same components as
+the pixel format of the data.
+

+

++++
+
+
+
+
+




texture :
a CoglTexture pointer.

+
Since 1.18

+

+

+

+
cogl_texture_set_premultiplied ()

+
void                cogl_texture_set_premultiplied      (CoglTexture *texture,
+                                                         CoglBool premultiplied);

+

+Affects the internal storage format for this texture by specifying
+whether red, green and blue color components should be stored as
+pre-multiplied alpha values.
+

+

+This api affects how data is uploaded to the GPU since Cogl will
+convert source data to have premultiplied or unpremultiplied
+components according to this state.
+

+

+For example if you create a texture via
+cogl_texture_2d_new_with_size() and then upload data via
+cogl_texture_set_data() passing a source format of
+COGL_PIXEL_FORMAT_RGBA_8888 then Cogl will internally multiply the
+red, green and blue components of the source data by the alpha
+component, for each pixel so that the internally stored data has
+pre-multiplied alpha components. If you instead upload data that
+already has pre-multiplied components by passing
+COGL_PIXEL_FORMAT_RGBA_8888_PRE as the source format to
+cogl_texture_set_data() then the data can be uploaded without being
+converted.
+

+

+By default the premultipled state is TRUE.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
premultiplied :
Whether any internally stored red, green or blue
+components are pre-multiplied by an alpha
+component.

+
Since 1.18

+

+

+

+
cogl_texture_get_premultiplied ()

+
CoglBool            cogl_texture_get_premultiplied      (CoglTexture *texture);

+

+Queries the pre-multiplied alpha status for internally stored red,
+green and blue components for the given texture as set by
+cogl_texture_set_premultiplied().
+

+

+By default the pre-multipled state is TRUE.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
Returns :

+TRUE if red, green and blue components are
+internally stored pre-multiplied by the alpha
+value or FALSE if not.

+
Since 1.18

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-The-Top-Level-Context.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-The-Top-Level-Context.html
new file mode 100644
index 0000000..d5b41d2
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-The-Top-Level-Context.html
@@ -0,0 +1,1561 @@
+
+
+
+
+The Top-Level Context
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
The Top-Level Context

+
The Top-Level Context — The top level application context.

+

+

+
Synopsis

+
                    CoglContext;
+CoglBool            cogl_is_context                     (void *object);
+CoglContext *       cogl_context_new                    (CoglDisplay *display,
+                                                         CoglError **error);
+CoglDisplay *       cogl_context_get_display            (CoglContext *context);
+
+enum                CoglFeatureID;
+CoglBool            cogl_has_feature                    (CoglContext *context,
+                                                         CoglFeatureID feature);
+CoglBool            cogl_has_features                   (CoglContext *context,
+                                                         ...);
+void                (*CoglFeatureCallback)              (CoglFeatureID feature,
+                                                         void *user_data);
+void                cogl_foreach_feature                (CoglContext *context,
+                                                         CoglFeatureCallback callback,
+                                                         void *user_data);
+
+void                cogl_push_matrix                    (void);
+void                cogl_pop_matrix                     (void);
+void                cogl_scale                          (float x,
+                                                         float y,
+                                                         float z);
+void                cogl_translate                      (float x,
+                                                         float y,
+                                                         float z);
+void                cogl_rotate                         (float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_transform                      (const CoglMatrix *matrix);
+void                cogl_frustum                        (float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_perspective                    (float fovy,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_ortho                          (float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float near,
+                                                         float far);
+
+void                cogl_get_modelview_matrix           (CoglMatrix *matrix);
+void                cogl_set_modelview_matrix           (CoglMatrix *matrix);
+void                cogl_get_projection_matrix          (CoglMatrix *matrix);
+void                cogl_set_projection_matrix          (CoglMatrix *matrix);
+void                cogl_set_viewport                   (int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);
+void                cogl_get_viewport                   (float v[4]);
+
+void                cogl_set_source                     (void *material);
+void                cogl_set_source_color               (const CoglColor *color);
+void                cogl_set_source_color4ub            (uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);
+void                cogl_set_source_color4f             (float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+void                cogl_set_source_texture             (CoglTexture *texture);
+void *              cogl_get_source                     (void);
+void                cogl_push_source                    (void *material);
+void                cogl_pop_source                     (void);
+
+void                cogl_clear                          (const CoglColor *color,
+                                                         unsigned long  buffers);
+
+enum                CoglReadPixelsFlags;
+void                cogl_read_pixels                    (int x,
+                                                         int y,
+                                                         int width,
+                                                         int height,
+                                                         CoglReadPixelsFlags source,
+                                                         CoglPixelFormat format,
+                                                         uint8_t *pixels);
+
+void                cogl_flush                          (void);
+

+

+

+
Description

+

+A CoglContext is the top most sandbox of Cogl state for an
+application or toolkit. Its main purpose is to act as a sandbox
+for the memory management of state objects. Normally an application
+will only create a single context since there is no way to share
+resources between contexts.
+

+

+For those familiar with OpenGL or perhaps Cairo it should be
+understood that unlike these APIs a Cogl context isn't a rendering
+context as such. In other words Cogl doesn't aim to provide a state
+machine style model for configuring rendering parameters. Most
+rendering state in Cogl is directly associated with user managed
+objects called pipelines and geometry is drawn with a specific
+pipeline object to a framebuffer object and those 3 things fully
+define the state for drawing. This is an important part of Cogl's
+design since it helps you write orthogonal rendering components
+that can all access the same GPU without having to worry about
+what state other components have left you with.
+

+

+

+

+
Note

+
Cogl does not maintain internal references to the context for
+resources that depend on the context so applications. This is to
+help applications control the lifetime a context without us needing to
+introduce special api to handle the breakup of internal circular
+references due to internal resources and caches associated with the
+context.
+

+

+One a context has been destroyed then all directly or indirectly
+dependant resources will be in an inconsistent state and should not
+be manipulated or queried in any way.
+

+

+For applications that rely on the operating system to clean up
+resources this policy shouldn't affect them, but for applications
+that need to carefully destroy and re-create Cogl contexts multiple
+times throughout their lifetime (such as Android applications) they
+should be careful to destroy all context dependant resources, such as
+framebuffers or textures etc before unrefing and destroying the
+context.

+

+

+

+

+

+
Details

+

+
CoglContext

+
typedef struct _CoglContext CoglContext;

+

+

+

+
cogl_is_context ()

+
CoglBool            cogl_is_context                     (void *object);

+

+Gets whether the given object references an existing context object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
An object or NULL
+
Returns :

+TRUE if the object references a CoglContext,
+FALSE otherwise

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_context_new ()

+
CoglContext *       cogl_context_new                    (CoglDisplay *display,
+                                                         CoglError **error);

+

+Creates a new CoglContext which acts as an application sandbox
+for any state objects that are allocated.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




display :
A CoglDisplay pointer. [allow-none]
+
error :
A CoglError return location.
Returns :
A newly allocated CoglContext. [transfer full]
+

+
Since 1.8

+
Stability Level: Unstable

+

+

+

+
cogl_context_get_display ()

+
CoglDisplay *       cogl_context_get_display            (CoglContext *context);

+

+Retrieves the CoglDisplay that is internally associated with the
+given context. This will return the same CoglDisplay that was
+passed to cogl_context_new() or if NULL was passed to
+cogl_context_new() then this function returns a pointer to the
+display that was automatically setup internally.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext pointer
Returns :
The CoglDisplay associated with the
+given context. [transfer none]
+

+
Since 1.8

+
Stability Level: Unstable

+

+

+

+
enum CoglFeatureID

+
typedef enum {
+  COGL_FEATURE_ID_TEXTURE_NPOT_BASIC = 1,
+  COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP,
+  COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT,
+  COGL_FEATURE_ID_TEXTURE_NPOT,
+  COGL_FEATURE_ID_TEXTURE_RECTANGLE,
+  COGL_FEATURE_ID_TEXTURE_3D,
+  COGL_FEATURE_ID_GLSL,
+  COGL_FEATURE_ID_ARBFP,
+  COGL_FEATURE_ID_OFFSCREEN,
+  COGL_FEATURE_ID_OFFSCREEN_MULTISAMPLE,
+  COGL_FEATURE_ID_ONSCREEN_MULTIPLE,
+  COGL_FEATURE_ID_UNSIGNED_INT_INDICES,
+  COGL_FEATURE_ID_DEPTH_RANGE,
+  COGL_FEATURE_ID_POINT_SPRITE,
+  COGL_FEATURE_ID_MAP_BUFFER_FOR_READ,
+  COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE,
+  COGL_FEATURE_ID_MIRRORED_REPEAT,
+  COGL_FEATURE_ID_SWAP_BUFFERS_EVENT,
+  COGL_FEATURE_ID_GLES2_CONTEXT,
+  COGL_FEATURE_ID_DEPTH_TEXTURE,
+  COGL_FEATURE_ID_PRESENTATION_TIME,
+  COGL_FEATURE_ID_FENCE,
+  COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE,
+  COGL_FEATURE_ID_TEXTURE_RG,
+  COGL_FEATURE_ID_BUFFER_AGE,
+} CoglFeatureID;
+

+

+All the capabilities that can vary between different GPUs supported
+by Cogl. Applications that depend on any of these features should explicitly
+check for them using cogl_has_feature() or cogl_has_features().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_FEATURE_ID_TEXTURE_NPOT_BASIC
The hardware supports non power
+    of two textures, but you also need to check the
+    COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP and COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT
+    features to know if the hardware supports npot texture mipmaps
+    or repeat modes other than
+    COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE respectively.
+
COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP
Mipmapping is supported in
+    conjuntion with non power of two textures.
+
COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT
Repeat modes other than
+    COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE are supported by the
+    hardware.
+
COGL_FEATURE_ID_TEXTURE_NPOT
Non power of two textures are supported
+   by the hardware. This is a equivalent to the
+   COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP
+   and COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT features combined.
+
COGL_FEATURE_ID_TEXTURE_RECTANGLE
Support for rectangular
+   textures with non-normalized texture coordinates.
+
COGL_FEATURE_ID_TEXTURE_3D
3D texture support
+
COGL_FEATURE_ID_GLSL
GLSL support
+
COGL_FEATURE_ID_ARBFP
ARBFP support
+
COGL_FEATURE_ID_OFFSCREEN
Offscreen rendering support
+
COGL_FEATURE_ID_OFFSCREEN_MULTISAMPLE
Multisample support for
+   offscreen framebuffers
+
COGL_FEATURE_ID_ONSCREEN_MULTIPLE
Multiple onscreen framebuffers
+   supported.
+
COGL_FEATURE_ID_UNSIGNED_INT_INDICES
Set if
+    COGL_INDICES_TYPE_UNSIGNED_INT is supported in
+    cogl_indices_new().
+
COGL_FEATURE_ID_DEPTH_RANGE
cogl_pipeline_set_depth_range() support
+
COGL_FEATURE_ID_POINT_SPRITE
Whether
+    cogl_pipeline_set_layer_point_sprite_coords_enabled() is supported.
+
COGL_FEATURE_ID_MAP_BUFFER_FOR_READ
Whether cogl_buffer_map() is
+    supported with CoglBufferAccess including read support.
+
COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE
Whether cogl_buffer_map() is
+    supported with CoglBufferAccess including write support.
+
COGL_FEATURE_ID_MIRRORED_REPEAT
Whether
+   COGL_PIPELINE_WRAP_MODE_MIRRORED_REPEAT is supported.
+
COGL_FEATURE_ID_SWAP_BUFFERS_EVENT
    Available if the window system supports reporting an event
+    for swap buffer completions.
+
COGL_FEATURE_ID_GLES2_CONTEXT
Whether creating new GLES2 contexts is
+   suported.
+
COGL_FEATURE_ID_DEPTH_TEXTURE
Whether CoglFramebuffer support rendering
+    the depth buffer to a texture.
+
COGL_FEATURE_ID_PRESENTATION_TIME
Whether frame presentation
+   time stamps will be recorded in CoglFrameInfo objects.
+
COGL_FEATURE_ID_FENCE
COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE
Whether cogl_point_size_in
+    can be used as an attribute to set a per-vertex point size.
+
COGL_FEATURE_ID_TEXTURE_RG
Support for
+   COGL_TEXTURE_COMPONENTS_RG as the internal components of a
+   texture.
+
COGL_FEATURE_ID_BUFFER_AGE
Available if the age of CoglOnscreen back
+   buffers are tracked and so cogl_onscreen_get_buffer_age() can be
+   expected to return age values other than 0.
+

+
Since 1.10

+

+

+

+
cogl_has_feature ()

+
CoglBool            cogl_has_feature                    (CoglContext *context,
+                                                         CoglFeatureID feature);

+

+Checks if a given feature is currently available
+

+

+Cogl does not aim to be a lowest common denominator API, it aims to
+expose all the interesting features of GPUs to application which
+means applications have some responsibility to explicitly check
+that certain features are available before depending on them.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext pointer
feature :
A CoglFeatureID
+
Returns :

+TRUE if the feature is currently supported or FALSE if
+not.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_has_features ()

+
CoglBool            cogl_has_features                   (CoglContext *context,
+                                                         ...);

+

+Checks if a list of features are all currently available.
+

+

+This checks all of the listed features using cogl_has_feature() and
+returns TRUE if all the features are available or FALSE
+otherwise.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext pointer
... :
A 0 terminated list of CoglFeatureIDs
Returns :

+TRUE if all the features are available, FALSE
+otherwise.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
CoglFeatureCallback ()

+
void                (*CoglFeatureCallback)              (CoglFeatureID feature,
+                                                         void *user_data);

+

+A callback used with cogl_foreach_feature() for enumerating all
+context level features supported by Cogl.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




feature :
A single feature currently supported by Cogl
user_data :
A private pointer passed to cogl_foreach_feature().

+
Since 0.10

+
Stability Level: Unstable

+

+

+

+
cogl_foreach_feature ()

+
void                cogl_foreach_feature                (CoglContext *context,
+                                                         CoglFeatureCallback callback,
+                                                         void *user_data);

+

+Iterates through all the context level features currently supported
+for a given context and for each feature callback is called.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext pointer
callback :
A CoglFeatureCallback called for each
+supported feature. [scope call]
+
user_data :
Private data to pass to the callback. [closure]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_push_matrix ()

+
void                cogl_push_matrix                    (void);

+

+
Warning

+
cogl_push_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_push_matrix() instead

+

+

+Stores the current model-view matrix on the matrix stack. The matrix
+can later be restored with cogl_pop_matrix().
+

+

+

+

+
cogl_pop_matrix ()

+
void                cogl_pop_matrix                     (void);

+

+
Warning

+
cogl_pop_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_pop_matrix() instead

+

+

+Restores the current model-view matrix from the matrix stack.
+

+

+

+

+
cogl_scale ()

+
void                cogl_scale                          (float x,
+                                                         float y,
+                                                         float z);

+

+
Warning

+
cogl_scale has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_pop_matrix() instead

+

+

+Multiplies the current model-view matrix by one that scales the x,
+y and z axes by the given values.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x :
Amount to scale along the x-axis
y :
Amount to scale along the y-axis
z :
Amount to scale along the z-axis

+

+

+

+
cogl_translate ()

+
void                cogl_translate                      (float x,
+                                                         float y,
+                                                         float z);

+

+
Warning

+
cogl_translate has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_translate() instead

+

+

+Multiplies the current model-view matrix by one that translates the
+model along all three axes according to the given values.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x :
Distance to translate along the x-axis
y :
Distance to translate along the y-axis
z :
Distance to translate along the z-axis

+

+

+

+
cogl_rotate ()

+
void                cogl_rotate                         (float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);

+

+
Warning

+
cogl_rotate has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_rotate() instead

+

+

+Multiplies the current model-view matrix by one that rotates the
+model around the vertex specified by x, y and z. The rotation
+follows the right-hand thumb rule so for example rotating by 10
+degrees about the vertex (0, 0, 1) causes a small counter-clockwise
+rotation.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




angle :
Angle in degrees to rotate.
x :
X-component of vertex to rotate around.
y :
Y-component of vertex to rotate around.
z :
Z-component of vertex to rotate around.

+

+

+

+
cogl_transform ()

+
void                cogl_transform                      (const CoglMatrix *matrix);

+

+
Warning

+
cogl_transform has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_transform() instead

+

+

+Multiplies the current model-view matrix by the given matrix.
+

+

++++
+
+
+
+
+




matrix :
the matrix to multiply with the current model-view

+
Since 1.4

+

+

+

+
cogl_frustum ()

+
void                cogl_frustum                        (float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);

+

+
Warning

+
cogl_frustum has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_frustum() instead

+

+

+Replaces the current projection matrix with a perspective matrix
+for a given viewing frustum defined by 4 side clip planes that
+all cross through the origin and 2 near and far clip planes.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




left :
X position of the left clipping plane where it
+intersects the near clipping plane
right :
X position of the right clipping plane where it
+intersects the near clipping plane
bottom :
Y position of the bottom clipping plane where it
+intersects the near clipping plane
top :
Y position of the top clipping plane where it intersects
+the near clipping plane
z_near :
The distance to the near clipping plane (Must be positive)
z_far :
The distance to the far clipping plane (Must be positive)

+
Since 0.8.2

+

+

+

+
cogl_perspective ()

+
void                cogl_perspective                    (float fovy,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);

+

+
Warning

+
cogl_perspective has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_perspective() instead

+

+

+Replaces the current projection matrix with a perspective matrix
+based on the provided values.
+

+

+

+

+
Note
You should be careful not to have to great a z_far / z_near
+ratio since that will reduce the effectiveness of depth testing
+since there wont be enough precision to identify the depth of
+objects near to each other.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




fovy :
Vertical field of view angle in degrees.
aspect :
The (width over height) aspect ratio for display
z_near :
The distance to the near clipping plane (Must be positive)
z_far :
The distance to the far clipping plane (Must be positive)

+

+

+

+
cogl_ortho ()

+
void                cogl_ortho                          (float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float near,
+                                                         float far);

+

+
Warning

+
cogl_ortho has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_orthographic() instead

+

+

+Replaces the current projection matrix with an orthographic projection
+matrix. See Figure 1, “” to see how the matrix is
+calculated.
+

+

+

+

+
Figure 1. 

+

+

+


+

+

+

+

+
Note
This function copies the arguments from OpenGL's glOrtho() even
+though they are unnecessarily confusing due to the z near and z far
+arguments actually being a "distance" from the origin, where
+negative values are behind the viewer, instead of coordinates for
+the z clipping planes which would have been consistent with the
+left, right bottom and top arguments.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




left :
The coordinate for the left clipping plane
right :
The coordinate for the right clipping plane
bottom :
The coordinate for the bottom clipping plane
top :
The coordinate for the top clipping plane
near :
The distance to the near clipping
+plane (negative if the plane is behind the viewer)
far :
The distance for the far clipping
+plane (negative if the plane is behind the viewer)

+
Since 1.0

+

+

+

+
cogl_get_modelview_matrix ()

+
void                cogl_get_modelview_matrix           (CoglMatrix *matrix);

+

+
Warning

+
cogl_get_modelview_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_get_modelview_matrix()
+                  instead

+

+

+Stores the current model-view matrix in matrix.
+

+

++++
+
+
+
+
+




matrix :
return location for the model-view matrix. [out]
+

+

+

+

+
cogl_set_modelview_matrix ()

+
void                cogl_set_modelview_matrix           (CoglMatrix *matrix);

+

+
Warning

+
cogl_set_modelview_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_set_modelview_matrix()
+                  instead

+

+

+Loads matrix as the new model-view matrix.
+

+

++++
+
+
+
+
+




matrix :
the new model-view matrix

+

+

+

+
cogl_get_projection_matrix ()

+
void                cogl_get_projection_matrix          (CoglMatrix *matrix);

+

+
Warning

+
cogl_get_projection_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_get_projection_matrix()
+                  instead

+

+

+Stores the current projection matrix in matrix.
+

+

++++
+
+
+
+
+




matrix :
return location for the projection matrix. [out]
+

+

+

+

+
cogl_set_projection_matrix ()

+
void                cogl_set_projection_matrix          (CoglMatrix *matrix);

+

+
Warning

+
cogl_set_projection_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_set_projection_matrix()
+                  instead

+

+

+Loads matrix as the new projection matrix.
+

+

++++
+
+
+
+
+




matrix :
the new projection matrix

+

+

+

+
cogl_set_viewport ()

+
void                cogl_set_viewport                   (int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);

+

+
Warning

+
cogl_set_viewport has been deprecated since version 1.8 and should not be used in newly-written code. Use cogl_framebuffer_set_viewport() instead

+

+

+Replaces the current viewport with the given values.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x :
X offset of the viewport
y :
Y offset of the viewport
width :
Width of the viewport
height :
Height of the viewport

+
Since 1.2

+

+

+

+
cogl_get_viewport ()

+
void                cogl_get_viewport                   (float v[4]);

+

+
Warning

+
cogl_get_viewport has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_get_viewport4fv()
+                  instead

+

+

+Stores the current viewport in v. v[0] and v[1] get the x and y
+position of the viewport and v[2] and v[3] get the width and
+height.
+

+

++++
+
+
+
+
+




v :
pointer to a 4 element array
+of floats to receive the viewport dimensions. [out][array fixed-size=4]
+

+

+

+

+
cogl_set_source ()

+
void                cogl_set_source                     (void *material);

+

+
Warning

+
cogl_set_source has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This function changes the material at the top of the source stack.
+The material at the top of this stack defines the GPU state used to
+process subsequent primitives, such as rectangles drawn with
+cogl_rectangle() or vertices drawn using cogl_vertex_buffer_draw().
+

+

++++
+
+
+
+
+




material :
A CoglMaterial
+

+
Since 1.0

+

+

+

+
cogl_set_source_color ()

+
void                cogl_set_source_color               (const CoglColor *color);

+

+
Warning

+
cogl_set_source_color has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This is a convenience function for creating a solid fill source material
+from the given color. This color will be used for any subsequent drawing
+operation.
+

+

+The color will be premultiplied by Cogl, so the color should be
+non-premultiplied. For example: use (1.0, 0.0, 0.0, 0.5) for
+semi-transparent red.
+

+

+See also cogl_set_source_color4ub() and cogl_set_source_color4f()
+if you already have the color components.
+

+

++++
+
+
+
+
+




color :
a CoglColor
+

+
Since 1.0

+

+

+

+
cogl_set_source_color4ub ()

+
void                cogl_set_source_color4ub            (uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);

+

+
Warning

+
cogl_set_source_color4ub has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This is a convenience function for creating a solid fill source material
+from the given color using unsigned bytes for each component. This
+color will be used for any subsequent drawing operation.
+

+

+The value for each component is an unsigned byte in the range
+between 0 and 255.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




red :
value of the red channel, between 0 and 255
green :
value of the green channel, between 0 and 255
blue :
value of the blue channel, between 0 and 255
alpha :
value of the alpha channel, between 0 and 255

+
Since 1.0

+

+

+

+
cogl_set_source_color4f ()

+
void                cogl_set_source_color4f             (float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);

+

+
Warning

+
cogl_set_source_color4f has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This is a convenience function for creating a solid fill source material
+from the given color using normalized values for each component. This color
+will be used for any subsequent drawing operation.
+

+

+The value for each component is a fixed point number in the range
+between 0 and 1.0. If the values passed in are outside that
+range, they will be clamped.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




red :
value of the red channel, between 0 and 1.0
green :
value of the green channel, between 0 and 1.0
blue :
value of the blue channel, between 0 and 1.0
alpha :
value of the alpha channel, between 0 and 1.0

+
Since 1.0

+

+

+

+
cogl_set_source_texture ()

+
void                cogl_set_source_texture             (CoglTexture *texture);

+

+
Warning

+
cogl_set_source_texture has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This is a convenience function for creating a material with the first
+layer set to texture and setting that material as the source with
+cogl_set_source.
+

+

+Note: There is no interaction between calls to cogl_set_source_color
+and cogl_set_source_texture. If you need to blend a texture with a color then
+you can create a simple material like this:
+

+
+material = cogl_material_new ();
+cogl_material_set_color4ub (material, 0xff, 0x00, 0x00, 0x80);
+cogl_material_set_layer (material, 0, tex_handle);
+cogl_set_source (material);
+

+

+

+

++++
+
+
+
+
+




texture :
The CoglTexture you want as your source

+
Since 1.0

+

+

+

+
cogl_get_source ()

+
void *              cogl_get_source                     (void);

+

+
Warning

+
cogl_get_source has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+Returns the current source material as previously set using
+cogl_set_source().
+

+

+

+

+
Note
You should typically consider the returned material immutable
+and not try to change any of its properties unless you own a
+reference to that material. At times you may be able to get a
+reference to an internally managed materials and the result of
+modifying such materials is undefined.

+

+

+

++++
+
+
+
+
+




Returns :
The current source material.

+
Since 1.6

+

+

+

+
cogl_push_source ()

+
void                cogl_push_source                    (void *material);

+

+
Warning

+
cogl_push_source has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+Pushes the given material to the top of the source stack. The
+material at the top of this stack defines the GPU state used to
+process later primitives as defined by cogl_set_source().
+

+

++++
+
+
+
+
+




material :
A CoglMaterial
+

+
Since 1.6

+

+

+

+
cogl_pop_source ()

+
void                cogl_pop_source                     (void);

+

+
Warning

+
cogl_pop_source has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+Removes the material at the top of the source stack. The material
+at the top of this stack defines the GPU state used to process
+later primitives as defined by cogl_set_source().
+

+
Since 1.6

+

+

+

+
cogl_clear ()

+
void                cogl_clear                          (const CoglColor *color,
+                                                         unsigned long  buffers);

+

+
Warning

+
cogl_clear has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_framebuffer_clear() api instead

+

+

+Clears all the auxiliary buffers identified in the buffers mask, and if
+that includes the color buffer then the specified color is used.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
Background color to clear to
buffers :
A mask of CoglBufferBit's identifying which auxiliary
+buffers to clear

+

+

+

+
enum CoglReadPixelsFlags

+
typedef enum {
+ /*< prefix=COGL_READ_PIXELS >*/
+  COGL_READ_PIXELS_COLOR_BUFFER = 1L << 0
+} CoglReadPixelsFlags;
+

+

+Flags for cogl_framebuffer_read_pixels_into_bitmap()
+

+

++++
+
+
+
+
+




COGL_READ_PIXELS_COLOR_BUFFER
Read from the color buffer
+

+
Since 1.0

+

+

+

+
cogl_read_pixels ()

+
void                cogl_read_pixels                    (int x,
+                                                         int y,
+                                                         int width,
+                                                         int height,
+                                                         CoglReadPixelsFlags source,
+                                                         CoglPixelFormat format,
+                                                         uint8_t *pixels);

+

+
Warning

+
cogl_read_pixels has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_framebuffer_read_pixels() instead

+

+

+This reads a rectangle of pixels from the current framebuffer where
+position (0, 0) is the top left. The pixel at (x, y) is the first
+read, and the data is returned with a rowstride of (width * 4).
+

+

+Currently Cogl assumes that the framebuffer is in a premultiplied
+format so if format is non-premultiplied it will convert it. To
+read the pixel values without any conversion you should either
+specify a format that doesn't use an alpha channel or use one of
+the formats ending in PRE.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x :
The window x position to start reading from
y :
The window y position to start reading from
width :
The width of the rectangle you want to read
height :
The height of the rectangle you want to read
source :
Identifies which auxillary buffer you want to read
+(only COGL_READ_PIXELS_COLOR_BUFFER supported currently)
format :
The pixel format you want the result in
+(only COGL_PIXEL_FORMAT_RGBA_8888 supported currently)
pixels :
The location to write the pixel data.

+

+

+

+
cogl_flush ()

+
void                cogl_flush                          (void);

+

+This function should only need to be called in exceptional circumstances.
+

+

+As an optimization Cogl drawing functions may batch up primitives
+internally, so if you are trying to use raw GL outside of Cogl you stand a
+better chance of being successful if you ask Cogl to flush any batched
+geometry before making your state changes.
+

+

+It only ensure that the underlying driver is issued all the commands
+necessary to draw the batched primitives. It provides no guarantees about
+when the driver will complete the rendering.
+

+

+This provides no guarantees about the GL state upon returning and to avoid
+confusing Cogl you should aim to restore any changes you make before
+resuming use of Cogl.
+

+

+If you are making state changes with the intention of affecting Cogl drawing
+primitives you are 100% on your own since you stand a good chance of
+conflicting with Cogl internals. For example clutter-gst which currently
+uses direct GL calls to bind ARBfp programs will very likely break when Cogl
+starts to use ARBfb programs itself for the material API.
+

+
Since 1.0

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Versioning-utility-macros.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Versioning-utility-macros.html
new file mode 100644
index 0000000..de6b9c5
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Versioning-utility-macros.html
@@ -0,0 +1,620 @@
+
+
+
+
+Versioning utility macros
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Versioning utility macros

+
Versioning utility macros — Macros for determining the version of Cogl being used

+

+

+
Synopsis

+
#define             COGL_VERSION_MAJOR
+#define             COGL_VERSION_MINOR
+#define             COGL_VERSION_MICRO
+#define             COGL_VERSION_STRING
+#define             COGL_VERSION
+#define             COGL_VERSION_ENCODE                 (major,
+                                                         minor,
+                                                         micro)
+#define             COGL_VERSION_CHECK                  (major,
+                                                         minor,
+                                                         micro)
+#define             COGL_VERSION_GET_MAJOR              (version)
+#define             COGL_VERSION_GET_MINOR              (version)
+#define             COGL_VERSION_GET_MICRO              (version)
+

+

+

+
Description

+

+Cogl offers a set of macros for checking the version of the library
+at compile time.
+

+

+Cogl adds version information to both API deprecations and additions;
+by definining the macros COGL_VERSION_MIN_REQUIRED and
+COGL_VERSION_MAX_ALLOWED, you can specify the range of Cogl versions
+whose API you want to use. Functions that were deprecated before, or
+introduced after, this range will trigger compiler warnings. For instance,
+if we define the following symbols:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+COGL_VERSION_MIN_REQUIRED = COGL_VERSION_1_6
+  COGL_VERSION_MAX_ALLOWED  = COGL_VERSION_1_8

+

+
+

+

+

+and we have the following functions annotated in the Cogl headers:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28

+
+
+
+
+
+
+
+
+
+
+
+
+COGL_DEPRECATED_IN_1_4 void cogl_function_A (void);
+  COGL_DEPRECATED_IN_1_6 void cogl_function_B (void);
+  COGL_AVAILABLE_IN_1_8 void cogl_function_C (void);
+  COGL_AVAILABLE_IN_1_10 void cogl_function_D (void);

+

+
+

+

+

+then any application code using the functions above will get the output:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28

+
+
+
+
+
+
+
+
+
+
+
+
+cogl_function_A: deprecation warning
+  cogl_function_B: no warning
+  cogl_function_C: no warning
+  cogl_function_D: symbol not available warning

+

+
+

+

+

+It is possible to disable the compiler warnings by defining the macro
+COGL_DISABLE_DEPRECATION_WARNINGS before including the cogl.h
+header.
+

+

+

+
Details

+

+
COGL_VERSION_MAJOR

+
#define COGL_VERSION_MAJOR COGL_VERSION_MAJOR_INTERNAL
+

+

+The major version of the Cogl library (1, if COGL_VERSION is 1.2.3)
+

+
Since 1.12.0

+

+

+

+
COGL_VERSION_MINOR

+
#define COGL_VERSION_MINOR COGL_VERSION_MINOR_INTERNAL
+

+

+The minor version of the Cogl library (2, if COGL_VERSION is 1.2.3)
+

+
Since 1.12.0

+

+

+

+
COGL_VERSION_MICRO

+
#define COGL_VERSION_MICRO COGL_VERSION_MICRO_INTERNAL
+

+

+The micro version of the Cogl library (3, if COGL_VERSION is 1.2.3)
+

+
Since 1.12.0

+

+

+

+
COGL_VERSION_STRING

+
#define COGL_VERSION_STRING COGL_VERSION_STRING_INTERNAL
+

+

+The full version of the Cogl library, in string form (suited for
+string concatenation)
+

+
Since 1.12.0

+

+

+

+
COGL_VERSION

+
#define             COGL_VERSION

+

+The Cogl version encoded into a single integer using the
+COGL_VERSION_ENCODE() macro. This can be used for quick comparisons
+with particular versions.
+

+
Since 1.12.0

+

+

+

+
COGL_VERSION_ENCODE()

+
#define             COGL_VERSION_ENCODE(major, minor, micro)

+

+Encodes a 3 part version number into a single integer. This can be
+used to compare the Cogl version. For example if there is a known
+bug in Cogl versions between 1.3.2 and 1.3.4 you could use the
+following code to provide a workaround:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30

+
+
+
+
+
+
+
+
+
+
+
+
+#if COGL_VERSION >= COGL_VERSION_ENCODE (1, 3, 2) && \
+    COGL_VERSION <= COGL_VERSION_ENCODE (1, 3, 4)
+  /* Do the workaround */
+#endif

+

+
+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




major :
The major part of a version number
minor :
The minor part of a version number
micro :
The micro part of a version number

+
Since 1.12.0

+

+

+

+
COGL_VERSION_CHECK()

+
#define             COGL_VERSION_CHECK(major, minor, micro)

+

+A convenient macro to check whether the Cogl version being compiled
+against is at least the given version number. For example if the
+function cogl_pipeline_frobnicate was added in version 2.0.1 and
+you want to conditionally use that function when it is available,
+you could write the following:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32

+
+
+
+
+
+
+
+
+
+
+
+
+#if COGL_VERSION_CHECK (2, 0, 1)
+cogl_pipeline_frobnicate (pipeline);
+#else
+/* Frobnication is not supported. Use a red color instead */
+cogl_pipeline_set_color_4f (pipeline, 1.0f, 0.0f, 0.0f, 1.0f);
+#endif

+

+
+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




major :
The major part of a version number
minor :
The minor part of a version number
micro :
The micro part of a version number
Returns :

+TRUE if the Cogl version being compiled against is
+greater than or equal to the given three part version number.

+
Since 1.12.0

+

+

+

+
COGL_VERSION_GET_MAJOR()

+
#define             COGL_VERSION_GET_MAJOR(version)

+

+Extracts the major part of an encoded version number.
+

+

++++
+
+
+
+
+




version :
An encoded version number

+
Since 1.12.0

+

+

+

+
COGL_VERSION_GET_MINOR()

+
#define             COGL_VERSION_GET_MINOR(version)

+

+Extracts the minor part of an encoded version number.
+

+

++++
+
+
+
+
+




version :
An encoded version number

+
Since 1.12.0

+

+

+

+
COGL_VERSION_GET_MICRO()

+
#define             COGL_VERSION_GET_MICRO(version)

+

+Extracts the micro part of an encoded version number.
+

+

++++
+
+
+
+
+




version :
An encoded version number

+
Since 1.12.0

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Vertex-Attributes.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Vertex-Attributes.html
new file mode 100644
index 0000000..8a12d39
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-Vertex-Attributes.html
@@ -0,0 +1,475 @@
+
+
+
+
+Vertex Attributes
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Vertex Attributes

+
Vertex Attributes — Functions for declaring and drawing vertex
+   attributes

+

+

+
Synopsis

+
                    CoglAttribute;
+CoglAttribute *     cogl_attribute_new                  (CoglAttributeBuffer *attribute_buffer,
+                                                         const char *name,
+                                                         size_t stride,
+                                                         size_t offset,
+                                                         int components,
+                                                         CoglAttributeType type);
+CoglBool            cogl_is_attribute                   (void *object);
+void                cogl_attribute_set_normalized       (CoglAttribute *attribute,
+                                                         CoglBool normalized);
+CoglBool            cogl_attribute_get_normalized       (CoglAttribute *attribute);
+CoglAttributeBuffer * cogl_attribute_get_buffer         (CoglAttribute *attribute);
+void                cogl_attribute_set_buffer           (CoglAttribute *attribute,
+                                                         CoglAttributeBuffer *attribute_buffer);
+

+

+

+
Description

+

+FIXME
+

+

+

+
Details

+

+
CoglAttribute

+
typedef struct _CoglAttribute CoglAttribute;

+

+

+

+
cogl_attribute_new ()

+
CoglAttribute *     cogl_attribute_new                  (CoglAttributeBuffer *attribute_buffer,
+                                                         const char *name,
+                                                         size_t stride,
+                                                         size_t offset,
+                                                         int components,
+                                                         CoglAttributeType type);

+

+Describes the layout for a list of vertex attribute values (For
+example, a list of texture coordinates or colors).
+

+

+The name is used to access the attribute inside a GLSL vertex
+shader and there are some special names you should use if they are
+applicable:
+ 

+
    
+
  • "cogl_position_in" (used for vertex positions)
    • 
+
  • "cogl_color_in" (used for vertex colors)
    • 
+
  • "cogl_tex_coord0_in", "cogl_tex_coord1", ...
+(used for vertex texture coordinates)
    • 
+
  • "cogl_normal_in" (used for vertex normals)
    • 
+
  • "cogl_point_size_in" (used to set the size of points
+   per-vertex. Note this can only be used if
+   COGL_FEATURE_ID_POINT_SIZE_ATTRIBUTE is advertised and
+   cogl_pipeline_set_per_vertex_point_size() is called on the pipeline.
+   
    • 
+

+

+

+

+The attribute values corresponding to different vertices can either
+be tightly packed or interleaved with other attribute values. For
+example it's common to define a structure for a single vertex like:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30

+
+
+
+
+
+
+
+
+
+
+
+
+typedef struct
+{
+  float x, y, z; /* position attribute */
+  float s, t; /* texture coordinate attribute */
+} MyVertex;

+

+
+

+

+

+And then create an array of vertex data something like:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+MyVertex vertices[100] = { .... }

+

+
+

+

+

+In this case, to describe either the position or texture coordinate
+attribute you have to move sizeof (MyVertex) bytes to
+move from one vertex to the next.  This is called the attribute
+stride. If you weren't interleving attributes and you instead had
+a packed array of float x, y pairs then the attribute stride would
+be (2 * sizeof (float)). So the stride is the number of
+bytes to move to find the attribute value of the next vertex.
+

+

+Normally a list of attributes starts at the beginning of an array.
+So for the MyVertex example above the offset is the
+offset inside the MyVertex structure to the first
+component of the attribute. For the texture coordinate attribute
+the offset would be offsetof (MyVertex, s) or instead of
+using the offsetof macro you could use sizeof (float) *
+3.  If you've divided your array into blocks of non-interleved
+attributes then you will need to calculate the offset as the number of
+bytes in blocks preceding the attribute you're describing.
+

+

+An attribute often has more than one component. For example a color
+is often comprised of 4 red, green, blue and alpha components, and a
+position may be comprised of 2 x and y components. You should aim
+to keep the number of components to a minimum as more components
+means more data needs to be mapped into the GPU which can be a
+bottlneck when dealing with a large number of vertices.
+

+

+Finally you need to specify the component data type. Here you
+should aim to use the smallest type that meets your precision
+requirements. Again the larger the type then more data needs to be
+mapped into the GPU which can be a bottlneck when dealing with
+a large number of vertices.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




attribute_buffer :
The CoglAttributeBuffer containing the actual
+attribute data
name :
The name of the attribute (used to reference it from GLSL)
stride :
The number of bytes to jump to get to the next attribute
+value for the next vertex. (Usually
+sizeof (MyVertex))
offset :
The byte offset from the start of attribute_buffer for
+the first attribute value. (Usually
+offsetof (MyVertex, component0)
+
components :
The number of components (e.g. 4 for an rgba color or
+3 for and (x,y,z) position)
type :
FIXME
Returns :
A newly allocated CoglAttribute
+describing the layout for a list of attribute values
+stored in array. [transfer full]
+

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_is_attribute ()

+
CoglBool            cogl_is_attribute                   (void *object);

+

+Gets whether the given object references a CoglAttribute.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A CoglObject
+
Returns :

+TRUE if the object references a CoglAttribute,
+FALSE otherwise

+

+

+

+
cogl_attribute_set_normalized ()

+
void                cogl_attribute_set_normalized       (CoglAttribute *attribute,
+                                                         CoglBool normalized);

+

+Sets whether fixed point attribute types are mapped to the range
+0→1. For example when this property is TRUE and a
+COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE type is used then the value 255
+will be mapped to 1.0.
+

+

+The default value of this property depends on the name of the
+attribute. For the builtin properties cogl_color_in and
+cogl_normal_in it will default to TRUE and for all other names it
+will default to FALSE.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




attribute :
A CoglAttribute
+
normalized :
The new value for the normalized property.

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_attribute_get_normalized ()

+
CoglBool            cogl_attribute_get_normalized       (CoglAttribute *attribute);

+

++++
+
+
+
+
+
+
+
+
+
+
+




attribute :
A CoglAttribute
+
Returns :
the value of the normalized property set with
+cogl_attribute_set_normalized().

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_attribute_get_buffer ()

+
CoglAttributeBuffer * cogl_attribute_get_buffer         (CoglAttribute *attribute);

+

++++
+
+
+
+
+
+
+
+
+
+
+




attribute :
A CoglAttribute
+
Returns :
the CoglAttributeBuffer that was
+set with cogl_attribute_set_buffer() or cogl_attribute_new(). [transfer none]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_attribute_set_buffer ()

+
void                cogl_attribute_set_buffer           (CoglAttribute *attribute,
+                                                         CoglAttributeBuffer *attribute_buffer);

+

+Sets a new CoglAttributeBuffer for the attribute.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




attribute :
A CoglAttribute
+
attribute_buffer :
A CoglAttributeBuffer
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-X11-Texture-From-Pixmap.html b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-X11-Texture-From-Pixmap.html
new file mode 100644
index 0000000..5fe02aa
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental-X11-Texture-From-Pixmap.html
@@ -0,0 +1,312 @@
+
+
+
+
+X11 Texture From Pixmap
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
X11 Texture From Pixmap

+
X11 Texture From Pixmap — Functions for creating and manipulating 2D meta
+                    textures derived from X11 pixmaps.

+

+

+
Synopsis

+
                    CoglTexturePixmapX11;
+CoglBool            cogl_is_texture_pixmap_x11          (void *object);
+
+CoglTexturePixmapX11 * cogl_texture_pixmap_x11_new      (CoglContext *context,
+                                                         uint32_t pixmap,
+                                                         CoglBool automatic_updates,
+                                                         CoglError **error);
+
+void                cogl_texture_pixmap_x11_update_area (CoglTexturePixmapX11 *texture,
+                                                         int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);
+CoglBool            cogl_texture_pixmap_x11_is_using_tfp_extension
+                                                        (CoglTexturePixmapX11 *texture);
+enum                CoglTexturePixmapX11ReportLevel;
+void                cogl_texture_pixmap_x11_set_damage_object
+                                                        (CoglTexturePixmapX11 *texture,
+                                                         uint32_t damage,
+                                                         CoglTexturePixmapX11ReportLevel report_level);
+

+

+

+
Description

+

+These functions allow high-level meta textures (See the
+CoglMetaTexture interface) that derive their contents from an X11
+pixmap.
+

+

+

+
Details

+

+
CoglTexturePixmapX11

+
typedef struct _CoglTexturePixmapX11 CoglTexturePixmapX11;

+

+

+

+
cogl_is_texture_pixmap_x11 ()

+
CoglBool            cogl_is_texture_pixmap_x11          (void *object);

+

+Checks whether object points to a CoglTexturePixmapX11 instance.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A pointer to a CoglObject
+
Returns :

+TRUE if the object is a CoglTexturePixmapX11, and
+FALSE otherwise

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_texture_pixmap_x11_new ()

+
CoglTexturePixmapX11 * cogl_texture_pixmap_x11_new      (CoglContext *context,
+                                                         uint32_t pixmap,
+                                                         CoglBool automatic_updates,
+                                                         CoglError **error);

+

+Creates a texture that contains the contents of pixmap. If
+automatic_updates is TRUE then Cogl will attempt to listen for
+damage events on the pixmap and automatically update the texture
+when it changes.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
pixmap :
A X11 pixmap ID
automatic_updates :
Whether to automatically copy the contents of
+the pixmap to the texture.
error :
A CoglError for exceptions
Returns :
a new CoglTexturePixmapX11 instance

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_texture_pixmap_x11_update_area ()

+
void                cogl_texture_pixmap_x11_update_area (CoglTexturePixmapX11 *texture,
+                                                         int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);

+

+Forces an update of the given texture so that it is refreshed with
+the contents of the pixmap that was given to
+cogl_texture_pixmap_x11_new().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




texture :
A CoglTexturePixmapX11 instance
x :
x coordinate of the area to update
y :
y coordinate of the area to update
width :
width of the area to update
height :
height of the area to update

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_texture_pixmap_x11_is_using_tfp_extension ()

+
CoglBool            cogl_texture_pixmap_x11_is_using_tfp_extension
+                                                        (CoglTexturePixmapX11 *texture);

+

+Checks whether the given texture is using the
+GLX_EXT_texture_from_pixmap or similar extension to copy the
+contents of the pixmap to the texture.  This extension is usually
+implemented as zero-copy operation so it implies the updates are
+working efficiently.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
A CoglTexturePixmapX11 instance
Returns :

+TRUE if the texture is using an efficient extension
+and FALSE otherwise

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
enum CoglTexturePixmapX11ReportLevel

+
typedef enum {
+  COGL_TEXTURE_PIXMAP_X11_DAMAGE_RAW_RECTANGLES,
+  COGL_TEXTURE_PIXMAP_X11_DAMAGE_DELTA_RECTANGLES,
+  COGL_TEXTURE_PIXMAP_X11_DAMAGE_BOUNDING_BOX,
+  COGL_TEXTURE_PIXMAP_X11_DAMAGE_NON_EMPTY
+} CoglTexturePixmapX11ReportLevel;
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_TEXTURE_PIXMAP_X11_DAMAGE_RAW_RECTANGLES
COGL_TEXTURE_PIXMAP_X11_DAMAGE_DELTA_RECTANGLES
COGL_TEXTURE_PIXMAP_X11_DAMAGE_BOUNDING_BOX
COGL_TEXTURE_PIXMAP_X11_DAMAGE_NON_EMPTY

+

+

+

+
cogl_texture_pixmap_x11_set_damage_object ()

+
void                cogl_texture_pixmap_x11_set_damage_object
+                                                        (CoglTexturePixmapX11 *texture,
+                                                         uint32_t damage,
+                                                         CoglTexturePixmapX11ReportLevel report_level);

+

+Sets the damage object that will be used to track automatic updates
+to the texture. Damage tracking can be disabled by passing 0 for
+damage. Otherwise this damage will replace the one used if TRUE
+was passed for automatic_updates to cogl_texture_pixmap_x11_new().
+

+

+Note that Cogl will subtract from the damage region as it processes
+damage events.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




texture :
A CoglTexturePixmapX11 instance
damage :
A X11 Damage object or 0
report_level :
The report level which describes how to interpret
+the damage events. This should match the level that the damage
+object was created with.

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental.devhelp2 b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental.devhelp2
new file mode 100644
index 0000000..b97605c
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-2.0-experimental.devhelp2
@@ -0,0 +1,869 @@
+
+
+
+  
+    
+      
+      
+        
+        
+        
+      
+      
+        
+        
+        
+        
+      
+      
+        
+        
+        
+        
+      
+      
+        
+        
+        
+      
+      
+        
+        
+      
+      
+        
+        
+        
+      
+      
+        
+        
+      
+      
+        
+        
+        
+        
+      
+      
+        
+        
+        
+        
+      
+      
+        
+        
+        
+      
+      
+        
+        
+        
+        
+        
+        
+        
+        
+      
+      
+        
+        
+        
+        
+      
+    
+    
+      
+    
+    
+    
+    
+    
+    
+    
+    
+  
+  
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
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diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-Blend-Strings.html b/doc/reference/cogl-2.0-experimental/html/cogl-Blend-Strings.html
new file mode 100644
index 0000000..5a4c272
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-Blend-Strings.html
@@ -0,0 +1,143 @@
+
+
+
+
+Blend Strings
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Blend Strings

+
Blend Strings — A simple syntax and grammar for describing blending and texture
+combining functions.

+

+

+
Cogl Blend Strings

+

+Describing GPU blending and texture combining states is rather awkward to do
+in a consise but also readable fashion. Cogl helps by supporting
+string based descriptions using a simple syntax.
+

+

+

+Some examples

+
Here is an example used for blending:

+
+"RGBA = ADD (SRC_COLOR * (SRC_COLOR[A]), DST_COLOR * (1-SRC_COLOR[A]))"
+

+
In OpenGL terms this replaces glBlendFunc[Separate] and
+glBlendEquation[Separate]

+

+Actually in this case it's more verbose than the GL equivalent:
+

+
+glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+

+

+But unless you are familiar with OpenGL or refer to its API documentation
+you wouldn't know that the default function used by OpenGL is GL_FUNC_ADD
+nor would you know that the above arguments determine what the source color
+and destination color will be multiplied by before being adding.
+

+
Here is an example used for texture combining:

+
+"RGB = REPLACE (PREVIOUS)"
+"A = MODULATE (PREVIOUS, TEXTURE)"
+

+

+In OpenGL terms this replaces glTexEnv, and the above example is equivalent
+to this OpenGL code:
+

+
+  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS);
+  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
+  glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PREVIOUS);
+  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_COLOR);
+  glTexEnvi (GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_TEXTURE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_COLOR);
+

+

+

+

+Here's the syntax

+
+<statement>:
+  <channel-mask>=<function-name>(<arg-list>)
+
+  You can either use a single statement with an RGBA channel-mask or you can use
+  two statements; one with an A channel-mask and the other with an RGB
+  channel-mask.
+
+<channel-mask>:
+  A or RGB or RGBA
+
+<function-name>:
+  [A-Za-z_]*
+
+<arg-list>:
+  <arg>,<arg>
+  or <arg>
+  or ""
+
+  I.e. functions may take 0 or more arguments
+
+<arg>:
+  <color-source>
+  1 - <color-source>                : Only intended for texture combining
+  <color-source> * ( <factor> )     : Only intended for blending
+  0                                 : Only intended for blending
+
+  See the blending or texture combining sections for further notes and examples.
+
+<color-source>:
+  <source-name>[<channel-mask>]
+  <source-name>
+
+  See the blending or texture combining sections for the list of source-names
+  valid in each context.
+
+  If a channel mask is not given then the channel mask of the statement
+  is assumed instead.
+
+<factor>:
+  0
+  1
+  <color-source>
+  1-<color-source>
+  SRC_ALPHA_SATURATE
+

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-buffer-apis.html b/doc/reference/cogl-2.0-experimental/html/cogl-buffer-apis.html
new file mode 100644
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--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-buffer-apis.html
@@ -0,0 +1,28 @@
+
+
+
+
+Allocating GPU Memory
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Allocating GPU Memory

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-buffer-layout-apis.html b/doc/reference/cogl-2.0-experimental/html/cogl-buffer-layout-apis.html
new file mode 100644
index 0000000..b17aceb
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-buffer-layout-apis.html
@@ -0,0 +1,28 @@
+
+
+
+
+Describing the layout of GPU Memory
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Describing the layout of GPU Memory

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-context-apis.html b/doc/reference/cogl-2.0-experimental/html/cogl-context-apis.html
new file mode 100644
index 0000000..03a5114
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-context-apis.html
@@ -0,0 +1,28 @@
+
+
+
+
+Setting Up A Drawing Context
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Setting Up A Drawing Context

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-framebuffer-apis.html b/doc/reference/cogl-2.0-experimental/html/cogl-framebuffer-apis.html
new file mode 100644
index 0000000..abb83b8
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-framebuffer-apis.html
@@ -0,0 +1,28 @@
+
+
+
+
+Framebuffers
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Framebuffers

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-general-apis.html b/doc/reference/cogl-2.0-experimental/html/cogl-general-apis.html
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index 0000000..8a375e5
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-general-apis.html
@@ -0,0 +1,28 @@
+
+
+
+
+General API concepts
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+General API concepts

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-integration.html b/doc/reference/cogl-2.0-experimental/html/cogl-integration.html
new file mode 100644
index 0000000..eb544be
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-integration.html
@@ -0,0 +1,28 @@
+
+
+
+
+Binding and Integrating
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Binding and Integrating

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-meta-textures.html b/doc/reference/cogl-2.0-experimental/html/cogl-meta-textures.html
new file mode 100644
index 0000000..69cdb76
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-meta-textures.html
@@ -0,0 +1,28 @@
+
+
+
+
+Meta Textures
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Meta Textures

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-pipeline-apis.html b/doc/reference/cogl-2.0-experimental/html/cogl-pipeline-apis.html
new file mode 100644
index 0000000..c7d37dd
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-pipeline-apis.html
@@ -0,0 +1,28 @@
+
+
+
+
+Setting Up A GPU Pipeline
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Setting Up A GPU Pipeline

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-primitive-apis.html b/doc/reference/cogl-2.0-experimental/html/cogl-primitive-apis.html
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--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-primitive-apis.html
@@ -0,0 +1,28 @@
+
+
+
+
+Geometry
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Geometry

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-primitive-textures.html b/doc/reference/cogl-2.0-experimental/html/cogl-primitive-textures.html
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--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-primitive-textures.html
@@ -0,0 +1,28 @@
+
+
+
+
+Primitive Textures
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Primitive Textures

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-textures.html b/doc/reference/cogl-2.0-experimental/html/cogl-textures.html
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--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-textures.html
@@ -0,0 +1,28 @@
+
+
+
+
+Textures
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Textures

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/cogl-utilities.html b/doc/reference/cogl-2.0-experimental/html/cogl-utilities.html
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--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/cogl-utilities.html
@@ -0,0 +1,28 @@
+
+
+
+
+Utilities
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+Utilities

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
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index 0000000..17357f8
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+Glossaries
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+

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+Glossaries

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Annotation Glossary

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A

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allow-none

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NULL is ok, both for passing and for returning.

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array

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Parameter points to an array of items.

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O

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out

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Parameter for returning results. Default is transfer full.

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S

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scope notified

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The callback is valid until the GDestroyNotify argument is called.

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C

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closure

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This parameter is a 'user_data', for callbacks; many bindings can pass NULL here.

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O

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out caller-allocates

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Out parameter, where caller must allocate storage.

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T

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transfer full

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Free data after the code is done.

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I

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in

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T

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transfer none

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Don't free data after the code is done.

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inout

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Parameter for input and for returning results. Default is transfer full.

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S

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scope call

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The callback is valid only during the call to the method.

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+

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+          Generated by GTK-Doc V1.19.1

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+
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diff --git a/doc/reference/cogl-2.0-experimental/html/index.html b/doc/reference/cogl-2.0-experimental/html/index.html
new file mode 100644
index 0000000..60ffd3a
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/index.html
@@ -0,0 +1,255 @@
+
+
+
+
+Cogl 2.0 Reference Manual
+
+
+
+
+
+
+
+

+

+

+

+
for Cogl 2.0;

+
Copyright © 2008 OpenedHand LTD

+
Copyright © 2009, 2010, 2011, 2012, 2013 Intel Corporation

+

+

+        Permission is granted to copy, distribute and/or modify this
+        document under the terms of the GNU Free
+        Documentation License, Version 1.1 or any later
+        version published by the Free Software Foundation with no
+        Invariant Sections, no Front-Cover Texts, and no Back-Cover
+        Texts. You may obtain a copy of the GNU Free
+        Documentation License from the Free Software
+        Foundation by visiting their Web site or by writing
+        to:
+
+        

+


+          The Free Software Foundation, Inc.,

+          59 Temple Place - Suite 330,

+          Boston, MA 02111-1307,

+          USA

+        

+

+      

+

+

+

+

+

+
Cogl - a modern 3D graphics API

+

+
About Cogl

+
General API concepts

+

+

+The Object Interface
+

+

+Exception handling — A way for Cogl to throw exceptions
+

+

+Common Types — Types used throughout the library
+

+

+
Setting Up A Drawing Context

+

+

+CoglRenderer: Connect to a backend renderer — Choosing a means to render
+

+

+CoglOnscreenTemplate: Describe a template for onscreen framebuffers
+

+

+CoglDisplay: Setup a display pipeline — Common aspects of a display pipeline
+

+

+The Top-Level Context — The top level application context.
+

+

+
Setting Up A GPU Pipeline

+

+

+Blend Strings — A simple syntax and grammar for describing blending and texture
+combining functions.
+

+

+Pipeline — Functions for creating and manipulating the GPU
+                    pipeline
+

+

+Depth State — Functions for describing the depth testing
+                    state of your GPU.
+

+

+Shader snippets — Functions for creating and manipulating shader snippets
+

+

+
Allocating GPU Memory

+

+

+CoglBuffer: The Buffer Interface — Common buffer functions, including data upload APIs
+

+

+CoglAttributeBuffer: Buffers of vertex attributes — Functions for creating and manipulating attribute
+  buffers
+

+

+CoglIndexBuffer: Buffers of vertex indices — Functions for creating and manipulating vertex
+indices.
+

+

+
Describing the layout of GPU Memory

+

+

+Vertex Attributes — Functions for declaring and drawing vertex
+   attributes
+

+

+IndicesDescribe vertex indices stored in a CoglIndexBuffer.
+

+

+
Geometry

+

+

+Primitives — Functions for creating, manipulating and drawing
+   primitives
+

+

+Path Primitives
+

+

+Rectangles
+

+

+
Textures

+

+

+Bitmap — Functions for loading images
+

+

+The Texture Interface — Functions for creating and manipulating textures
+

+

+
Meta Textures

+

+

+High Level Meta TexturesInterface for high-level textures built from
+                    low-level textures like CoglTexture2D and
+                    CoglTexture3D.
+

+

+Sub Textures — Functions for creating and manipulating
+                    sub-textures.
+

+

+Sliced Textures — Functions for creating and manipulating 2D meta
+                    textures that may internally be comprised of
+                    multiple 2D textures with power-of-two sizes.
+

+

+X11 Texture From Pixmap — Functions for creating and manipulating 2D meta
+                    textures derived from X11 pixmaps.
+

+

+
Primitive Textures

+

+

+Low-level primitive texturesInterface for low-level textures like
+                    CoglTexture2D and CoglTexture3D.
+

+

+2D textures — Functions for creating and manipulating 2D textures
+

+

+3D textures — Functions for creating and manipulating 3D textures
+

+

+Rectangle textures (non-normalized coordinates) — Functions for creating and manipulating rectangle
+                    textures for use with non-normalized coordinates.
+

+

+
Framebuffers

+

+

+CoglFramebuffer: The Framebuffer Interface — A common interface for manipulating framebuffers
+

+

+CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+Offscreen Framebuffers — Functions for creating and manipulating offscreen
+                    framebuffers.
+

+

+
Utilities

+

+

+Color Type — A generic color definition
+

+

+Matrices — Functions for initializing and manipulating 4x4 matrices
+

+

+Matrix Stacks — Functions for efficiently tracking many
+                    related transformations
+

+

+3 Component Vectors — Functions for handling single precision float
+                    vectors.
+

+

+Eulers (Rotations) — Functions for initializing and manipulating
+euler angles.
+

+

+Quaternions (Rotations) — Functions for initializing and manipulating
+quaternions.
+

+

+GPU synchronisation fences — Functions for notification of command completion
+

+

+Versioning utility macros — Macros for determining the version of Cogl being used
+

+

+
Binding and Integrating

+

+

+SDL Integration — Integration api for the Simple DirectMedia
+                    Layer library.
+

+

+Main loop integration — Functions for integrating Cogl with an
+  application's main loop
+

+

+GType Integration API
+

+

+GLES 2.0 context — A portable api to access OpenGLES 2.0
+

+

+

+
Glossaries

+
Annotation Glossary

+
Index of all symbols

+
Index of deprecated symbols

+
Index of new symbols in 0.8

+
Index of new symbols in 1.0

+
Index of new symbols in 1.2

+
Index of new symbols in 1.4

+
A. License

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/index.sgml b/doc/reference/cogl-2.0-experimental/html/index.sgml
new file mode 100644
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--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/index.sgml
@@ -0,0 +1,966 @@
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+
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diff --git a/doc/reference/cogl-2.0-experimental/html/ix01.html b/doc/reference/cogl-2.0-experimental/html/ix01.html
new file mode 100644
index 0000000..6a39d8d
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/ix01.html
@@ -0,0 +1,2517 @@
+
+
+
+
+Index of all symbols
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of all symbols

+
A

+

+CoglAtlasTexture, struct in Atlas Textures
+

+

+

+cogl_atlas_texture_new_from_bitmap, function in Atlas Textures
+

+

+

+cogl_atlas_texture_new_from_data, function in Atlas Textures
+

+

+

+cogl_atlas_texture_new_from_file, function in Atlas Textures
+

+

+

+cogl_atlas_texture_new_with_size, function in Atlas Textures
+

+

+

+CoglAttribute, struct in Vertex Attributes
+

+

+

+CoglAttributeBuffer, struct in CoglAttributeBuffer: Buffers of vertex attributes
+

+

+

+CoglAttributeType, enum in Common Types
+

+

+

+cogl_attribute_buffer_new, function in CoglAttributeBuffer: Buffers of vertex attributes
+

+

+

+cogl_attribute_buffer_new_with_size, function in CoglAttributeBuffer: Buffers of vertex attributes
+

+

+

+cogl_attribute_get_buffer, function in Vertex Attributes
+

+

+

+cogl_attribute_get_normalized, function in Vertex Attributes
+

+

+

+cogl_attribute_new, function in Vertex Attributes
+

+

+

+cogl_attribute_set_buffer, function in Vertex Attributes
+

+

+

+cogl_attribute_set_normalized, function in Vertex Attributes
+

+

+
B

+

+CoglBitmap, struct in Bitmap
+

+

+

+CoglBitmapError, enum in Bitmap
+

+

+

+COGL_BITMAP_ERROR, macro in Bitmap
+

+

+

+cogl_bitmap_get_buffer, function in Bitmap
+

+

+

+cogl_bitmap_get_format, function in Bitmap
+

+

+

+cogl_bitmap_get_height, function in Bitmap
+

+

+

+cogl_bitmap_get_rowstride, function in Bitmap
+

+

+

+cogl_bitmap_get_size_from_file, function in Bitmap
+

+

+

+cogl_bitmap_get_width, function in Bitmap
+

+

+

+cogl_bitmap_new_for_data, function in Bitmap
+

+

+

+cogl_bitmap_new_from_buffer, function in Bitmap
+

+

+

+cogl_bitmap_new_from_file, function in Bitmap
+

+

+

+cogl_bitmap_new_with_size, function in Bitmap
+

+

+

+CoglBlendStringError, enum in Pipeline
+

+

+

+COGL_BLEND_STRING_ERROR, macro in Pipeline
+

+

+

+CoglBool, typedef in Common Types
+

+

+

+CoglBuffer, typedef in CoglBuffer: The Buffer Interface
+

+

+

+CoglBufferAccess, enum in CoglBuffer: The Buffer Interface
+

+

+

+CoglBufferBit, enum in Common Types
+

+

+

+CoglBufferMapHint, enum in CoglBuffer: The Buffer Interface
+

+

+

+CoglBufferTarget, enum in Common Types
+

+

+

+CoglBufferUpdateHint, enum in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_get_size, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_get_update_hint, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_map, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_map_range, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_set_data, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_set_update_hint, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_unmap, function in CoglBuffer: The Buffer Interface
+

+

+
C

+

+cogl_clear, function in The Top-Level Context
+

+

+

+CoglColor, struct in Color Type
+

+

+

+CoglColorMask, enum in Common Types
+

+

+

+cogl_color_copy, function in Color Type
+

+

+

+cogl_color_equal, function in Color Type
+

+

+

+cogl_color_free, function in Color Type
+

+

+

+cogl_color_get_alpha, function in Color Type
+

+

+

+cogl_color_get_alpha_byte, function in Color Type
+

+

+

+cogl_color_get_alpha_float, function in Color Type
+

+

+

+cogl_color_get_blue, function in Color Type
+

+

+

+cogl_color_get_blue_byte, function in Color Type
+

+

+

+cogl_color_get_blue_float, function in Color Type
+

+

+

+cogl_color_get_green, function in Color Type
+

+

+

+cogl_color_get_green_byte, function in Color Type
+

+

+

+cogl_color_get_green_float, function in Color Type
+

+

+

+cogl_color_get_red, function in Color Type
+

+

+

+cogl_color_get_red_byte, function in Color Type
+

+

+

+cogl_color_get_red_float, function in Color Type
+

+

+

+cogl_color_init_from_hsl, function in Color Type
+

+

+

+cogl_color_new, function in Color Type
+

+

+

+cogl_color_premultiply, function in Color Type
+

+

+

+cogl_color_set_alpha, function in Color Type
+

+

+

+cogl_color_set_alpha_byte, function in Color Type
+

+

+

+cogl_color_set_alpha_float, function in Color Type
+

+

+

+cogl_color_set_blue, function in Color Type
+

+

+

+cogl_color_set_blue_byte, function in Color Type
+

+

+

+cogl_color_set_blue_float, function in Color Type
+

+

+

+cogl_color_set_from_4f, function in Color Type
+

+

+

+cogl_color_set_from_4ub, function in Color Type
+

+

+

+cogl_color_set_green, function in Color Type
+

+

+

+cogl_color_set_green_byte, function in Color Type
+

+

+

+cogl_color_set_green_float, function in Color Type
+

+

+

+cogl_color_set_red, function in Color Type
+

+

+

+cogl_color_set_red_byte, function in Color Type
+

+

+

+cogl_color_set_red_float, function in Color Type
+

+

+

+cogl_color_to_hsl, function in Color Type
+

+

+

+cogl_color_unpremultiply, function in Color Type
+

+

+

+CoglContext, struct in The Top-Level Context
+

+

+

+cogl_context_get_display, function in The Top-Level Context
+

+

+

+cogl_context_new, function in The Top-Level Context
+

+

+
D

+

+CoglDepthState, struct in Depth State
+

+

+

+CoglDepthTestFunction, enum in Depth State
+

+

+

+cogl_depth_state_get_range, function in Depth State
+

+

+

+cogl_depth_state_get_test_enabled, function in Depth State
+

+

+

+cogl_depth_state_get_test_function, function in Depth State
+

+

+

+cogl_depth_state_get_write_enabled, function in Depth State
+

+

+

+cogl_depth_state_init, function in Depth State
+

+

+

+cogl_depth_state_set_range, function in Depth State
+

+

+

+cogl_depth_state_set_test_enabled, function in Depth State
+

+

+

+cogl_depth_state_set_test_function, function in Depth State
+

+

+

+cogl_depth_state_set_write_enabled, function in Depth State
+

+

+

+CoglDisplay, struct in CoglDisplay: Setup a display pipeline
+

+

+

+cogl_display_get_renderer, function in CoglDisplay: Setup a display pipeline
+

+

+

+cogl_display_new, function in CoglDisplay: Setup a display pipeline
+

+

+

+cogl_display_setup, function in CoglDisplay: Setup a display pipeline
+

+

+
E

+

+CoglError, macro in Exception handling
+

+

+

+cogl_error_copy, function in Exception handling
+

+

+

+cogl_error_free, function in Exception handling
+

+

+

+cogl_error_matches, function in Exception handling
+

+

+

+CoglEuler, struct in Eulers (Rotations)
+

+

+

+cogl_euler_copy, function in Eulers (Rotations)
+

+

+

+cogl_euler_equal, function in Eulers (Rotations)
+

+

+

+cogl_euler_free, function in Eulers (Rotations)
+

+

+

+cogl_euler_init, function in Eulers (Rotations)
+

+

+

+cogl_euler_init_from_matrix, function in Eulers (Rotations)
+

+

+

+cogl_euler_init_from_quaternion, function in Eulers (Rotations)
+

+

+
F

+

+CoglFeatureCallback, user_function in The Top-Level Context
+

+

+

+CoglFeatureID, enum in The Top-Level Context
+

+

+

+CoglFence, struct in GPU synchronisation fences
+

+

+

+CoglFenceCallback, user_function in GPU synchronisation fences
+

+

+

+CoglFenceClosure, struct in GPU synchronisation fences
+

+

+

+cogl_fence_closure_get_user_data, function in GPU synchronisation fences
+

+

+

+CoglFilterReturn, enum in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_flush, function in The Top-Level Context
+

+

+

+cogl_foreach_feature, function in The Top-Level Context
+

+

+

+CoglFramebuffer, typedef in CoglFramebuffer: The Framebuffer Interface
+

+

+

+COGL_FRAMEBUFFER, macro in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_add_fence_callback, function in GPU synchronisation fences
+

+

+

+cogl_framebuffer_allocate, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_cancel_fence_callback, function in GPU synchronisation fences
+

+

+

+cogl_framebuffer_clear, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_clear4f, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_discard_buffers, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_draw_multitextured_rectangle, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_draw_rectangle, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_draw_rectangles, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_draw_textured_rectangle, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_draw_textured_rectangles, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_finish, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_frustum, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_alpha_bits, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_blue_bits, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_color_mask, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_context, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_depth_bits, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_dither_enabled, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_green_bits, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_height, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_modelview_matrix, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_projection_matrix, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_red_bits, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_samples_per_pixel, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_viewport4fv, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_viewport_height, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_viewport_width, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_viewport_x, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_viewport_y, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_get_width, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_identity_matrix, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_orthographic, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_perspective, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_pop_clip, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_pop_matrix, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_push_matrix, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_push_primitive_clip, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_push_rectangle_clip, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_push_scissor_clip, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_read_pixels, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_read_pixels_into_bitmap, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_resolve_samples, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_resolve_samples_region, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_rotate, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_rotate_euler, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_rotate_quaternion, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_scale, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_set_color_mask, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_set_dither_enabled, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_set_modelview_matrix, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_set_projection_matrix, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_set_samples_per_pixel, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_set_viewport, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_transform, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_framebuffer_translate, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+CoglFrameCallback, user_function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+CoglFrameClosure, typedef in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_frustum, function in The Top-Level Context
+

+

+

+CoglFuncPtr, user_function in Common Types
+

+

+
G

+

+cogl_gdl_display_set_plane, function in CoglDisplay: Setup a display pipeline
+

+

+

+cogl_get_draw_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_get_modelview_matrix, function in The Top-Level Context
+

+

+

+cogl_get_projection_matrix, function in The Top-Level Context
+

+

+

+cogl_get_rectangle_indices, function in Indices
+

+

+

+cogl_get_source, function in The Top-Level Context
+

+

+

+cogl_get_static_identity_quaternion, function in Quaternions (Rotations)
+

+

+

+cogl_get_static_zero_quaternion, function in Quaternions (Rotations)
+

+

+

+cogl_get_viewport, function in The Top-Level Context
+

+

+

+CoglGLES2Context, struct in GLES 2.0 context
+

+

+

+CoglGLES2ContextError, enum in GLES 2.0 context
+

+

+

+CoglGLES2Vtable, struct in GLES 2.0 context
+

+

+

+COGL_GLES2_CONTEXT_ERROR, macro in GLES 2.0 context
+

+

+

+cogl_gles2_context_get_vtable, function in GLES 2.0 context
+

+

+

+cogl_gles2_context_new, function in GLES 2.0 context
+

+

+

+cogl_gles2_get_current_vtable, function in GLES 2.0 context
+

+

+

+cogl_gles2_texture_2d_new_from_handle, function in GLES 2.0 context
+

+

+

+cogl_gles2_texture_get_handle, function in GLES 2.0 context
+

+

+

+COGL_GLIB_ERROR, macro in Exception handling
+

+

+

+cogl_glib_renderer_source_new, function in Main loop integration
+

+

+

+cogl_glib_source_new, function in Main loop integration
+

+

+

+cogl_gtype_matrix_get_type, function in GType Integration API
+

+

+
H

+

+cogl_has_feature, function in The Top-Level Context
+

+

+

+cogl_has_features, function in The Top-Level Context
+

+

+
I

+

+CoglIndexBuffer, struct in CoglIndexBuffer: Buffers of vertex indices
+

+

+

+cogl_index_buffer_new, function in CoglIndexBuffer: Buffers of vertex indices
+

+

+

+CoglIndices, struct in Indices
+

+

+

+CoglIndicesType, enum in Indices
+

+

+

+cogl_indices_new, function in Indices
+

+

+

+cogl_is_atlas_texture, function in Atlas Textures
+

+

+

+cogl_is_attribute, function in Vertex Attributes
+

+

+

+cogl_is_attribute_buffer, function in CoglAttributeBuffer: Buffers of vertex attributes
+

+

+

+cogl_is_bitmap, function in Bitmap
+

+

+

+cogl_is_buffer, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_is_context, function in The Top-Level Context
+

+

+

+cogl_is_display, function in CoglDisplay: Setup a display pipeline
+

+

+

+cogl_is_gles2_context, function in GLES 2.0 context
+

+

+

+cogl_is_index_buffer, function in CoglIndexBuffer: Buffers of vertex indices
+

+

+

+cogl_is_indices, function in Indices
+

+

+

+cogl_is_offscreen, function in Offscreen Framebuffers
+

+

+

+cogl_is_onscreen, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_is_onscreen_template, function in CoglOnscreenTemplate: Describe a template for onscreen framebuffers
+

+

+

+cogl_is_pipeline, function in Pipeline
+

+

+

+cogl_is_pixel_buffer, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_is_primitive, function in Primitives
+

+

+

+cogl_is_primitive_texture, function in Low-level primitive textures
+

+

+

+cogl_is_renderer, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_is_snippet, function in Shader snippets
+

+

+

+cogl_is_sub_texture, function in Sub Textures
+

+

+

+cogl_is_swap_chain, function in CoglSwapChain: Describe a set of back buffers for flipping between
+

+

+

+cogl_is_texture, function in The Texture Interface
+

+

+

+cogl_is_texture_2d_sliced, function in Sliced Textures
+

+

+

+cogl_is_texture_3d, function in 3D textures
+

+

+

+cogl_is_texture_pixmap_x11, function in X11 Texture From Pixmap
+

+

+

+cogl_is_texture_rectangle, function in Rectangle textures (non-normalized coordinates)
+

+

+
M

+

+CoglMatrix, struct in Matrices
+

+

+

+CoglMatrixEntry, struct in Matrix Stacks
+

+

+

+CoglMatrixStack, struct in Matrix Stacks
+

+

+

+cogl_matrix_copy, function in Matrices
+

+

+

+cogl_matrix_entry_calculate_translation, function in Matrix Stacks
+

+

+

+cogl_matrix_entry_equal, function in Matrix Stacks
+

+

+

+cogl_matrix_entry_get, function in Matrix Stacks
+

+

+

+cogl_matrix_entry_is_identity, function in Matrix Stacks
+

+

+

+cogl_matrix_entry_ref, function in Matrix Stacks
+

+

+

+cogl_matrix_entry_unref, function in Matrix Stacks
+

+

+

+cogl_matrix_equal, function in Matrices
+

+

+

+cogl_matrix_free, function in Matrices
+

+

+

+cogl_matrix_frustum, function in Matrices
+

+

+

+cogl_matrix_get_array, function in Matrices
+

+

+

+cogl_matrix_get_inverse, function in Matrices
+

+

+

+cogl_matrix_init_from_array, function in Matrices
+

+

+

+cogl_matrix_init_from_euler, function in Matrices
+

+

+

+cogl_matrix_init_from_quaternion, function in Matrices
+

+

+

+cogl_matrix_init_identity, function in Matrices
+

+

+

+cogl_matrix_init_translation, function in Matrices
+

+

+

+cogl_matrix_is_identity, function in Matrices
+

+

+

+cogl_matrix_look_at, function in Matrices
+

+

+

+cogl_matrix_multiply, function in Matrices
+

+

+

+cogl_matrix_orthographic, function in Matrices
+

+

+

+cogl_matrix_perspective, function in Matrices
+

+

+

+cogl_matrix_project_points, function in Matrices
+

+

+

+cogl_matrix_rotate, function in Matrices
+

+

+

+cogl_matrix_rotate_euler, function in Matrices
+

+

+

+cogl_matrix_rotate_quaternion, function in Matrices
+

+

+

+cogl_matrix_scale, function in Matrices
+

+

+

+cogl_matrix_stack_frustum, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_get, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_get_entry, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_get_inverse, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_load_identity, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_multiply, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_new, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_orthographic, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_perspective, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_pop, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_push, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_rotate, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_rotate_euler, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_rotate_quaternion, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_scale, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_set, function in Matrix Stacks
+

+

+

+cogl_matrix_stack_translate, function in Matrix Stacks
+

+

+

+cogl_matrix_transform_point, function in Matrices
+

+

+

+cogl_matrix_transform_points, function in Matrices
+

+

+

+cogl_matrix_translate, function in Matrices
+

+

+

+cogl_matrix_transpose, function in Matrices
+

+

+

+CoglMetaTexture, typedef in High Level Meta Textures
+

+

+

+CoglMetaTextureCallback, user_function in High Level Meta Textures
+

+

+

+cogl_meta_texture_foreach_in_region, function in High Level Meta Textures
+

+

+
O

+

+CoglObject, struct in The Object Interface
+

+

+

+cogl_object_get_user_data, function in The Object Interface
+

+

+

+cogl_object_ref, function in The Object Interface
+

+

+

+cogl_object_set_user_data, function in The Object Interface
+

+

+

+cogl_object_unref, function in The Object Interface
+

+

+

+CoglOffscreen, struct in Offscreen Framebuffers
+

+

+

+cogl_offscreen_new_with_texture, function in Offscreen Framebuffers
+

+

+

+CoglOnscreen, struct in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+COGL_ONSCREEN, macro in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+CoglOnscreenDirtyCallback, user_function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+CoglOnscreenDirtyClosure, typedef in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+CoglOnscreenDirtyInfo, struct in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+CoglOnscreenResizeCallback, user_function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+CoglOnscreenResizeClosure, typedef in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+CoglOnscreenTemplate, struct in CoglOnscreenTemplate: Describe a template for onscreen framebuffers
+

+

+

+CoglOnscreenX11MaskCallback, user_function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_add_dirty_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_add_frame_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_add_resize_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_add_swap_buffers_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_hide, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_new, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_remove_dirty_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_remove_frame_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_remove_resize_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_remove_swap_buffers_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_set_swap_throttled, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_show, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_swap_buffers, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_swap_buffers_with_damage, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_swap_region, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_template_new, function in CoglOnscreenTemplate: Describe a template for onscreen framebuffers
+

+

+

+cogl_ortho, function in The Top-Level Context
+

+

+
P

+

+cogl_perspective, function in The Top-Level Context
+

+

+

+CoglPipeline, struct in Pipeline
+

+

+

+CoglPipelineAlphaFunc, enum in Pipeline
+

+

+

+CoglPipelineCullFaceMode, enum in Pipeline
+

+

+

+CoglPipelineFilter, enum in Pipeline
+

+

+

+CoglPipelineLayerCallback, user_function in Pipeline
+

+

+

+CoglPipelineWrapMode, enum in Pipeline
+

+

+

+cogl_pipeline_add_layer_snippet, function in Pipeline
+

+

+

+cogl_pipeline_add_snippet, function in Pipeline
+

+

+

+cogl_pipeline_copy, function in Pipeline
+

+

+

+cogl_pipeline_foreach_layer, function in Pipeline
+

+

+

+cogl_pipeline_get_ambient, function in Pipeline
+

+

+

+cogl_pipeline_get_color, function in Pipeline
+

+

+

+cogl_pipeline_get_color_mask, function in Pipeline
+

+

+

+cogl_pipeline_get_depth_state, function in Pipeline
+

+

+

+cogl_pipeline_get_diffuse, function in Pipeline
+

+

+

+cogl_pipeline_get_emission, function in Pipeline
+

+

+

+cogl_pipeline_get_layer_mag_filter, function in Pipeline
+

+

+

+cogl_pipeline_get_layer_min_filter, function in Pipeline
+

+

+

+cogl_pipeline_get_layer_point_sprite_coords_enabled, function in Pipeline
+

+

+

+cogl_pipeline_get_layer_texture, function in Pipeline
+

+

+

+cogl_pipeline_get_n_layers, function in Pipeline
+

+

+

+cogl_pipeline_get_per_vertex_point_size, function in Pipeline
+

+

+

+cogl_pipeline_get_point_size, function in Pipeline
+

+

+

+cogl_pipeline_get_shininess, function in Pipeline
+

+

+

+cogl_pipeline_get_specular, function in Pipeline
+

+

+

+cogl_pipeline_get_uniform_location, function in Pipeline
+

+

+

+cogl_pipeline_new, function in Pipeline
+

+

+

+cogl_pipeline_remove_layer, function in Pipeline
+

+

+

+cogl_pipeline_set_alpha_test_function, function in Pipeline
+

+

+

+cogl_pipeline_set_ambient, function in Pipeline
+

+

+

+cogl_pipeline_set_ambient_and_diffuse, function in Pipeline
+

+

+

+cogl_pipeline_set_blend, function in Pipeline
+

+

+

+cogl_pipeline_set_blend_constant, function in Pipeline
+

+

+

+cogl_pipeline_set_color, function in Pipeline
+

+

+

+cogl_pipeline_set_color4f, function in Pipeline
+

+

+

+cogl_pipeline_set_color4ub, function in Pipeline
+

+

+

+cogl_pipeline_set_color_mask, function in Pipeline
+

+

+

+cogl_pipeline_set_cull_face_mode, function in Pipeline
+

+

+

+cogl_pipeline_set_depth_state, function in Pipeline
+

+

+

+cogl_pipeline_set_diffuse, function in Pipeline
+

+

+

+cogl_pipeline_set_emission, function in Pipeline
+

+

+

+cogl_pipeline_set_front_face_winding, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_combine, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_combine_constant, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_filters, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_matrix, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_null_texture, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_point_sprite_coords_enabled, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_texture, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_wrap_mode, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_wrap_mode_p, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_wrap_mode_s, function in Pipeline
+

+

+

+cogl_pipeline_set_layer_wrap_mode_t, function in Pipeline
+

+

+

+cogl_pipeline_set_per_vertex_point_size, function in Pipeline
+

+

+

+cogl_pipeline_set_point_size, function in Pipeline
+

+

+

+cogl_pipeline_set_shininess, function in Pipeline
+

+

+

+cogl_pipeline_set_specular, function in Pipeline
+

+

+

+cogl_pipeline_set_uniform_1f, function in Pipeline
+

+

+

+cogl_pipeline_set_uniform_1i, function in Pipeline
+

+

+

+cogl_pipeline_set_uniform_float, function in Pipeline
+

+

+

+cogl_pipeline_set_uniform_int, function in Pipeline
+

+

+

+cogl_pipeline_set_uniform_matrix, function in Pipeline
+

+

+

+CoglPixelBuffer, struct in CoglBuffer: The Buffer Interface
+

+

+

+CoglPixelFormat, enum in Common Types
+

+

+

+cogl_pixel_buffer_new, function in CoglBuffer: The Buffer Interface
+

+

+

+CoglPollFD, struct in Main loop integration
+

+

+

+CoglPollFDEvent, enum in Main loop integration
+

+

+

+cogl_poll_renderer_dispatch, function in Main loop integration
+

+

+

+cogl_poll_renderer_get_info, function in Main loop integration
+

+

+

+cogl_polygon, function in Primitives (Deprecated)
+

+

+

+cogl_pop_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_pop_gles2_context, function in GLES 2.0 context
+

+

+

+cogl_pop_matrix, function in The Top-Level Context
+

+

+

+cogl_pop_source, function in The Top-Level Context
+

+

+

+CoglPrimitive, struct in Primitives
+

+

+

+CoglPrimitiveAttributeCallback, user_function in Primitives
+

+

+

+CoglPrimitiveTexture, typedef in Low-level primitive textures
+

+

+

+cogl_primitive_copy, function in Primitives
+

+

+

+cogl_primitive_draw, function in Primitives
+

+

+

+cogl_primitive_foreach_attribute, function in Primitives
+

+

+

+cogl_primitive_get_first_vertex, function in Primitives
+

+

+

+cogl_primitive_get_indices, function in Primitives
+

+

+

+cogl_primitive_get_mode, function in Primitives
+

+

+

+cogl_primitive_get_n_vertices, function in Primitives
+

+

+

+cogl_primitive_new, function in Primitives
+

+

+

+cogl_primitive_new_p2, function in Primitives
+

+

+

+cogl_primitive_new_p2c4, function in Primitives
+

+

+

+cogl_primitive_new_p2t2, function in Primitives
+

+

+

+cogl_primitive_new_p2t2c4, function in Primitives
+

+

+

+cogl_primitive_new_p3, function in Primitives
+

+

+

+cogl_primitive_new_p3c4, function in Primitives
+

+

+

+cogl_primitive_new_p3t2, function in Primitives
+

+

+

+cogl_primitive_new_p3t2c4, function in Primitives
+

+

+

+cogl_primitive_new_with_attributes, function in Primitives
+

+

+

+cogl_primitive_set_attributes, function in Primitives
+

+

+

+cogl_primitive_set_first_vertex, function in Primitives
+

+

+

+cogl_primitive_set_indices, function in Primitives
+

+

+

+cogl_primitive_set_mode, function in Primitives
+

+

+

+cogl_primitive_set_n_vertices, function in Primitives
+

+

+

+cogl_primitive_texture_set_auto_mipmap, function in Low-level primitive textures
+

+

+

+cogl_push_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_push_gles2_context, function in GLES 2.0 context
+

+

+

+cogl_push_matrix, function in The Top-Level Context
+

+

+

+cogl_push_source, function in The Top-Level Context
+

+

+
Q

+

+CoglQuaternion, struct in Quaternions (Rotations)
+

+

+

+cogl_quaternion_copy, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_dot_product, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_equal, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_free, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_get_rotation_angle, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_get_rotation_axis, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_angle_vector, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_array, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_euler, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_quaternion, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_x_rotation, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_y_rotation, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_z_rotation, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_identity, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_invert, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_multiply, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_nlerp, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_normalize, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_pow, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_slerp, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_squad, function in Quaternions (Rotations)
+

+

+
R

+

+CoglReadPixelsFlags, enum in The Top-Level Context
+

+

+

+cogl_read_pixels, function in The Top-Level Context
+

+

+

+cogl_rectangle, function in Rectangles
+

+

+

+cogl_rectangles, function in Rectangles
+

+

+

+cogl_rectangles_with_texture_coords, function in Rectangles
+

+

+

+cogl_rectangle_with_multitexture_coords, function in Rectangles
+

+

+

+cogl_rectangle_with_texture_coords, function in Rectangles
+

+

+

+CoglRenderer, struct in CoglRenderer: Connect to a backend renderer
+

+

+

+CoglRendererConstraint, enum in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_renderer_add_constraint, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_renderer_connect, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_renderer_get_n_fragment_texture_units, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_renderer_get_winsys_id, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_renderer_new, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_renderer_remove_constraint, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_renderer_set_winsys_id, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_rotate, function in The Top-Level Context
+

+

+
S

+

+cogl_scale, function in The Top-Level Context
+

+

+

+cogl_sdl_context_new, function in SDL Integration
+

+

+

+cogl_sdl_handle_event, function in SDL Integration
+

+

+

+cogl_sdl_idle, function in SDL Integration
+

+

+

+cogl_sdl_onscreen_get_window, function in SDL Integration
+

+

+

+cogl_sdl_renderer_get_event_type, function in SDL Integration
+

+

+

+cogl_sdl_renderer_set_event_type, function in SDL Integration
+

+

+

+cogl_set_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_set_modelview_matrix, function in The Top-Level Context
+

+

+

+cogl_set_projection_matrix, function in The Top-Level Context
+

+

+

+cogl_set_source, function in The Top-Level Context
+

+

+

+cogl_set_source_color, function in The Top-Level Context
+

+

+

+cogl_set_source_color4f, function in The Top-Level Context
+

+

+

+cogl_set_source_color4ub, function in The Top-Level Context
+

+

+

+cogl_set_source_texture, function in The Top-Level Context
+

+

+

+cogl_set_viewport, function in The Top-Level Context
+

+

+

+CoglSnippet, struct in Shader snippets
+

+

+

+CoglSnippetHook, enum in Shader snippets
+

+

+

+cogl_snippet_get_declarations, function in Shader snippets
+

+

+

+cogl_snippet_get_hook, function in Shader snippets
+

+

+

+cogl_snippet_get_post, function in Shader snippets
+

+

+

+cogl_snippet_get_pre, function in Shader snippets
+

+

+

+cogl_snippet_get_replace, function in Shader snippets
+

+

+

+cogl_snippet_new, function in Shader snippets
+

+

+

+cogl_snippet_set_declarations, function in Shader snippets
+

+

+

+cogl_snippet_set_post, function in Shader snippets
+

+

+

+cogl_snippet_set_pre, function in Shader snippets
+

+

+

+cogl_snippet_set_replace, function in Shader snippets
+

+

+

+CoglSubTexture, struct in Sub Textures
+

+

+

+cogl_sub_texture_new, function in Sub Textures
+

+

+

+CoglSwapBuffersNotify, user_function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+CoglSwapChain, struct in CoglSwapChain: Describe a set of back buffers for flipping between
+

+

+

+cogl_swap_chain_new, function in CoglSwapChain: Describe a set of back buffers for flipping between
+

+

+

+cogl_swap_chain_set_has_alpha, function in CoglSwapChain: Describe a set of back buffers for flipping between
+

+

+

+cogl_swap_chain_set_length, function in CoglSwapChain: Describe a set of back buffers for flipping between
+

+

+
T

+

+CoglTexture, typedef in The Texture Interface
+

+

+

+CoglTexture2D, struct in 2D textures
+

+

+

+CoglTexture2DSliced, struct in Sliced Textures
+

+

+

+CoglTexture3D, struct in 3D textures
+

+

+

+CoglTextureComponents, enum in The Texture Interface
+

+

+

+CoglTextureError, enum in The Texture Interface
+

+

+

+CoglTextureFlags, enum in Common Types
+

+

+

+CoglTexturePixmapX11, struct in X11 Texture From Pixmap
+

+

+

+CoglTexturePixmapX11ReportLevel, enum in X11 Texture From Pixmap
+

+

+

+CoglTextureRectangle, struct in Rectangle textures (non-normalized coordinates)
+

+

+

+CoglTextureType, enum in The Texture Interface
+

+

+

+cogl_texture_2d_gl_new_from_foreign, function in 2D textures
+

+

+

+cogl_texture_2d_new_from_bitmap, function in 2D textures
+

+

+

+cogl_texture_2d_new_from_data, function in 2D textures
+

+

+

+cogl_texture_2d_new_from_file, function in 2D textures
+

+

+

+cogl_texture_2d_new_with_size, function in 2D textures
+

+

+

+cogl_texture_2d_sliced_new_from_bitmap, function in Sliced Textures
+

+

+

+cogl_texture_2d_sliced_new_from_data, function in Sliced Textures
+

+

+

+cogl_texture_2d_sliced_new_from_file, function in Sliced Textures
+

+

+

+cogl_texture_2d_sliced_new_with_size, function in Sliced Textures
+

+

+

+cogl_texture_3d_new_from_bitmap, function in 3D textures
+

+

+

+cogl_texture_3d_new_from_data, function in 3D textures
+

+

+

+cogl_texture_3d_new_with_size, function in 3D textures
+

+

+

+cogl_texture_allocate, function in The Texture Interface
+

+

+

+COGL_TEXTURE_ERROR, macro in The Texture Interface
+

+

+

+cogl_texture_get_components, function in The Texture Interface
+

+

+

+cogl_texture_get_data, function in The Texture Interface
+

+

+

+cogl_texture_get_height, function in The Texture Interface
+

+

+

+cogl_texture_get_premultiplied, function in The Texture Interface
+

+

+

+cogl_texture_get_width, function in The Texture Interface
+

+

+

+cogl_texture_is_sliced, function in The Texture Interface
+

+

+

+cogl_texture_new_from_bitmap, function in Bitmap
+

+

+

+cogl_texture_pixmap_x11_is_using_tfp_extension, function in X11 Texture From Pixmap
+

+

+

+cogl_texture_pixmap_x11_new, function in X11 Texture From Pixmap
+

+

+

+cogl_texture_pixmap_x11_set_damage_object, function in X11 Texture From Pixmap
+

+

+

+cogl_texture_pixmap_x11_update_area, function in X11 Texture From Pixmap
+

+

+

+cogl_texture_rectangle_new_from_bitmap, function in Rectangle textures (non-normalized coordinates)
+

+

+

+cogl_texture_rectangle_new_with_size, function in Rectangle textures (non-normalized coordinates)
+

+

+

+cogl_texture_set_components, function in The Texture Interface
+

+

+

+cogl_texture_set_data, function in The Texture Interface
+

+

+

+cogl_texture_set_premultiplied, function in The Texture Interface
+

+

+

+cogl_texture_set_region, function in The Texture Interface
+

+

+

+cogl_transform, function in The Top-Level Context
+

+

+

+cogl_translate, function in The Top-Level Context
+

+

+
U

+

+CoglUserDataDestroyCallback, typedef in The Object Interface
+

+

+

+CoglUserDataKey, struct in The Object Interface
+

+

+
V

+

+cogl_vector3_add, function in 3 Component Vectors
+

+

+

+cogl_vector3_copy, function in 3 Component Vectors
+

+

+

+cogl_vector3_cross_product, function in 3 Component Vectors
+

+

+

+cogl_vector3_distance, function in 3 Component Vectors
+

+

+

+cogl_vector3_divide_scalar, function in 3 Component Vectors
+

+

+

+cogl_vector3_dot_product, function in 3 Component Vectors
+

+

+

+cogl_vector3_equal, function in 3 Component Vectors
+

+

+

+cogl_vector3_equal_with_epsilon, function in 3 Component Vectors
+

+

+

+cogl_vector3_free, function in 3 Component Vectors
+

+

+

+cogl_vector3_init, function in 3 Component Vectors
+

+

+

+cogl_vector3_init_zero, function in 3 Component Vectors
+

+

+

+cogl_vector3_invert, function in 3 Component Vectors
+

+

+

+cogl_vector3_magnitude, function in 3 Component Vectors
+

+

+

+cogl_vector3_multiply_scalar, function in 3 Component Vectors
+

+

+

+cogl_vector3_normalize, function in 3 Component Vectors
+

+

+

+cogl_vector3_subtract, function in 3 Component Vectors
+

+

+

+COGL_VERSION, macro in Versioning utility macros
+

+

+

+COGL_VERSION_CHECK, macro in Versioning utility macros
+

+

+

+COGL_VERSION_ENCODE, macro in Versioning utility macros
+

+

+

+COGL_VERSION_GET_MAJOR, macro in Versioning utility macros
+

+

+

+COGL_VERSION_GET_MICRO, macro in Versioning utility macros
+

+

+

+COGL_VERSION_GET_MINOR, macro in Versioning utility macros
+

+

+

+COGL_VERSION_MAJOR, macro in Versioning utility macros
+

+

+

+COGL_VERSION_MICRO, macro in Versioning utility macros
+

+

+

+COGL_VERSION_MINOR, macro in Versioning utility macros
+

+

+

+COGL_VERSION_STRING, macro in Versioning utility macros
+

+

+

+CoglVertexP2, struct in Common Types
+

+

+

+CoglVertexP2C4, struct in Common Types
+

+

+

+CoglVertexP2T2, struct in Common Types
+

+

+

+CoglVertexP2T2C4, struct in Common Types
+

+

+

+CoglVertexP3, struct in Common Types
+

+

+

+CoglVertexP3C4, struct in Common Types
+

+

+

+CoglVertexP3T2, struct in Common Types
+

+

+

+CoglVertexP3T2C4, struct in Common Types
+

+

+

+CoglVerticesMode, enum in Common Types
+

+

+
W

+

+cogl_wayland_display_set_compositor_display, function in CoglDisplay: Setup a display pipeline
+

+

+

+cogl_wayland_renderer_get_display, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_wayland_renderer_set_event_dispatch_enabled, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_wayland_renderer_set_foreign_display, function in CoglRenderer: Connect to a backend renderer
+

+

+

+CoglWin32FilterFunc, user_function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_win32_onscreen_get_window, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_win32_onscreen_set_foreign_window, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_win32_renderer_add_filter, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_win32_renderer_handle_event, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_win32_renderer_remove_filter, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_win32_renderer_set_event_retrieval_enabled, function in CoglRenderer: Connect to a backend renderer
+

+

+

+CoglWinding, enum in Pipeline
+

+

+

+CoglWinsysID, enum in CoglRenderer: Connect to a backend renderer
+

+

+
X

+

+cogl_x11_onscreen_get_visual_xid, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_x11_onscreen_get_window_xid, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_x11_onscreen_set_foreign_window_xid, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+CoglXlibFilterFunc, user_function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_xlib_renderer_add_filter, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_xlib_renderer_get_foreign_display, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_xlib_renderer_handle_event, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_xlib_renderer_remove_filter, function in CoglRenderer: Connect to a backend renderer
+

+

+

+cogl_xlib_renderer_set_foreign_display, function in CoglRenderer: Connect to a backend renderer
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/ix02.html b/doc/reference/cogl-2.0-experimental/html/ix02.html
new file mode 100644
index 0000000..bc6b03c
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/ix02.html
@@ -0,0 +1,193 @@
+
+
+
+
+Index of deprecated symbols
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of deprecated symbols

+
C

+

+cogl_clear, function in The Top-Level Context
+

+

+

+cogl_color_set_from_4f, function in Color Type
+

+

+

+cogl_color_set_from_4ub, function in Color Type
+

+

+
F

+

+cogl_frustum, function in The Top-Level Context
+

+

+
G

+

+cogl_get_modelview_matrix, function in The Top-Level Context
+

+

+

+cogl_get_projection_matrix, function in The Top-Level Context
+

+

+

+cogl_get_source, function in The Top-Level Context
+

+

+

+cogl_get_viewport, function in The Top-Level Context
+

+

+

+cogl_gtype_matrix_get_type, function in GType Integration API
+

+

+
O

+

+cogl_onscreen_add_swap_buffers_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_onscreen_remove_swap_buffers_callback, function in CoglOnscreen: The Onscreen Framebuffer Interface
+

+

+

+cogl_ortho, function in The Top-Level Context
+

+

+
P

+

+cogl_perspective, function in The Top-Level Context
+

+

+

+cogl_pop_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_pop_matrix, function in The Top-Level Context
+

+

+

+cogl_pop_source, function in The Top-Level Context
+

+

+

+cogl_push_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_push_matrix, function in The Top-Level Context
+

+

+

+cogl_push_source, function in The Top-Level Context
+

+

+
R

+

+cogl_read_pixels, function in The Top-Level Context
+

+

+

+cogl_rotate, function in The Top-Level Context
+

+

+
S

+

+cogl_scale, function in The Top-Level Context
+

+

+

+cogl_set_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_set_modelview_matrix, function in The Top-Level Context
+

+

+

+cogl_set_projection_matrix, function in The Top-Level Context
+

+

+

+cogl_set_source, function in The Top-Level Context
+

+

+

+cogl_set_source_color, function in The Top-Level Context
+

+

+

+cogl_set_source_color4f, function in The Top-Level Context
+

+

+

+cogl_set_source_color4ub, function in The Top-Level Context
+

+

+

+cogl_set_source_texture, function in The Top-Level Context
+

+

+

+cogl_set_viewport, function in The Top-Level Context
+

+

+
T

+

+cogl_texture_new_from_bitmap, function in Bitmap
+

+

+

+cogl_transform, function in The Top-Level Context
+

+

+

+cogl_translate, function in The Top-Level Context
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/ix03.html b/doc/reference/cogl-2.0-experimental/html/ix03.html
new file mode 100644
index 0000000..2325e77
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/ix03.html
@@ -0,0 +1,47 @@
+
+
+
+
+Index of new symbols in 0.8
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 0.8

+
B

+

+CoglBufferTarget, enum in Common Types
+

+

+
P

+

+CoglPixelFormat, enum in Common Types
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/ix04.html b/doc/reference/cogl-2.0-experimental/html/ix04.html
new file mode 100644
index 0000000..577c979
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/ix04.html
@@ -0,0 +1,234 @@
+
+
+
+
+Index of new symbols in 1.0
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 1.0

+
A

+

+CoglAttributeType, enum in Common Types
+

+

+
B

+

+cogl_bitmap_get_size_from_file, function in Bitmap
+

+

+

+cogl_bitmap_new_from_file, function in Bitmap
+

+

+

+CoglBlendStringError, enum in Pipeline
+

+

+

+COGL_BLEND_STRING_ERROR, macro in Pipeline
+

+

+

+CoglBufferBit, enum in Common Types
+

+

+
C

+

+CoglColor, struct in Color Type
+

+

+

+cogl_color_copy, function in Color Type
+

+

+

+cogl_color_equal, function in Color Type
+

+

+

+cogl_color_free, function in Color Type
+

+

+

+cogl_color_get_alpha, function in Color Type
+

+

+

+cogl_color_get_alpha_byte, function in Color Type
+

+

+

+cogl_color_get_alpha_float, function in Color Type
+

+

+

+cogl_color_get_blue, function in Color Type
+

+

+

+cogl_color_get_blue_byte, function in Color Type
+

+

+

+cogl_color_get_blue_float, function in Color Type
+

+

+

+cogl_color_get_green, function in Color Type
+

+

+

+cogl_color_get_green_byte, function in Color Type
+

+

+

+cogl_color_get_green_float, function in Color Type
+

+

+

+cogl_color_get_red, function in Color Type
+

+

+

+cogl_color_get_red_byte, function in Color Type
+

+

+

+cogl_color_get_red_float, function in Color Type
+

+

+

+cogl_color_new, function in Color Type
+

+

+

+cogl_color_premultiply, function in Color Type
+

+

+

+cogl_color_set_from_4f, function in Color Type
+

+

+

+cogl_color_set_from_4ub, function in Color Type
+

+

+
F

+

+cogl_flush, function in The Top-Level Context
+

+

+
I

+

+cogl_is_bitmap, function in Bitmap
+

+

+
O

+

+cogl_ortho, function in The Top-Level Context
+

+

+
P

+

+cogl_polygon, function in Primitives (Deprecated)
+

+

+
R

+

+CoglReadPixelsFlags, enum in The Top-Level Context
+

+

+

+cogl_rectangles, function in Rectangles
+

+

+

+cogl_rectangle_with_multitexture_coords, function in Rectangles
+

+

+

+cogl_rectangle_with_texture_coords, function in Rectangles
+

+

+
S

+

+cogl_set_source, function in The Top-Level Context
+

+

+

+cogl_set_source_color, function in The Top-Level Context
+

+

+

+cogl_set_source_color4f, function in The Top-Level Context
+

+

+

+cogl_set_source_color4ub, function in The Top-Level Context
+

+

+

+cogl_set_source_texture, function in The Top-Level Context
+

+

+
T

+

+CoglTextureFlags, enum in Common Types
+

+

+

+cogl_texture_new_from_bitmap, function in Bitmap
+

+

+
V

+

+CoglVerticesMode, enum in Common Types
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/ix05.html b/doc/reference/cogl-2.0-experimental/html/ix05.html
new file mode 100644
index 0000000..fb5033b
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/ix05.html
@@ -0,0 +1,108 @@
+
+
+
+
+Index of new symbols in 1.2
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 1.2

+
B

+

+CoglBufferAccess, enum in CoglBuffer: The Buffer Interface
+

+

+

+CoglBufferUpdateHint, enum in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_get_size, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_get_update_hint, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_map, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_set_data, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_set_update_hint, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_buffer_unmap, function in CoglBuffer: The Buffer Interface
+

+

+
I

+

+cogl_is_buffer, function in CoglBuffer: The Buffer Interface
+

+

+

+cogl_is_pixel_buffer, function in CoglBuffer: The Buffer Interface
+

+

+
M

+

+cogl_matrix_get_inverse, function in Matrices
+

+

+
P

+

+cogl_pop_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_push_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+
S

+

+cogl_set_framebuffer, function in CoglFramebuffer: The Framebuffer Interface
+

+

+

+cogl_set_viewport, function in The Top-Level Context
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/ix06.html b/doc/reference/cogl-2.0-experimental/html/ix06.html
new file mode 100644
index 0000000..91cfab4
--- /dev/null
+++ b/doc/reference/cogl-2.0-experimental/html/ix06.html
@@ -0,0 +1,252 @@
+
+
+
+
+Index of new symbols in 1.4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 1.4

+
A

+

+cogl_attribute_buffer_new, function in CoglAttributeBuffer: Buffers of vertex attributes
+

+

+

+cogl_attribute_new, function in Vertex Attributes
+

+

+
B

+

+CoglBitmapError, enum in Bitmap
+

+

+

+COGL_BITMAP_ERROR, macro in Bitmap
+

+

+

+CoglBufferMapHint, enum in CoglBuffer: The Buffer Interface
+

+

+
C

+

+cogl_color_set_alpha, function in Color Type
+

+

+

+cogl_color_set_alpha_byte, function in Color Type
+

+

+

+cogl_color_set_alpha_float, function in Color Type
+

+

+

+cogl_color_set_blue, function in Color Type
+

+

+

+cogl_color_set_blue_byte, function in Color Type
+

+

+

+cogl_color_set_blue_float, function in Color Type
+

+

+

+cogl_color_set_green, function in Color Type
+

+

+

+cogl_color_set_green_byte, function in Color Type
+

+

+

+cogl_color_set_green_float, function in Color Type
+

+

+

+cogl_color_set_red, function in Color Type
+

+

+

+cogl_color_set_red_byte, function in Color Type
+

+

+

+cogl_color_set_red_float, function in Color Type
+

+

+

+cogl_color_unpremultiply, function in Color Type
+

+

+
I

+

+cogl_index_buffer_new, function in CoglIndexBuffer: Buffers of vertex indices
+

+

+

+cogl_is_attribute_buffer, function in CoglAttributeBuffer: Buffers of vertex attributes
+

+

+

+cogl_is_index_buffer, function in CoglIndexBuffer: Buffers of vertex indices
+

+

+

+cogl_is_texture_3d, function in 3D textures
+

+

+

+cogl_is_texture_pixmap_x11, function in X11 Texture From Pixmap
+

+

+
M

+

+cogl_matrix_equal, function in Matrices
+

+

+
O

+

+cogl_object_get_user_data, function in The Object Interface
+

+

+

+cogl_object_set_user_data, function in The Object Interface
+

+

+
T

+

+cogl_texture_pixmap_x11_is_using_tfp_extension, function in X11 Texture From Pixmap
+

+

+

+cogl_texture_pixmap_x11_set_damage_object, function in X11 Texture From Pixmap
+

+

+

+cogl_texture_pixmap_x11_update_area, function in X11 Texture From Pixmap
+

+

+

+cogl_transform, function in The Top-Level Context
+

+

+
U

+

+CoglUserDataDestroyCallback, typedef in The Object Interface
+

+

+

+CoglUserDataKey, struct in The Object Interface
+

+

+
V

+

+cogl_vector3_add, function in 3 Component Vectors
+

+

+

+cogl_vector3_copy, function in 3 Component Vectors
+

+

+

+cogl_vector3_cross_product, function in 3 Component Vectors
+

+

+

+cogl_vector3_distance, function in 3 Component Vectors
+

+

+

+cogl_vector3_divide_scalar, function in 3 Component Vectors
+

+

+

+cogl_vector3_dot_product, function in 3 Component Vectors
+

+

+

+cogl_vector3_equal, function in 3 Component Vectors
+

+

+

+cogl_vector3_equal_with_epsilon, function in 3 Component Vectors
+

+

+

+cogl_vector3_free, function in 3 Component Vectors
+

+

+

+cogl_vector3_init, function in 3 Component Vectors
+

+

+

+cogl_vector3_init_zero, function in 3 Component Vectors
+

+

+

+cogl_vector3_invert, function in 3 Component Vectors
+

+

+

+cogl_vector3_magnitude, function in 3 Component Vectors
+

+

+

+cogl_vector3_multiply_scalar, function in 3 Component Vectors
+

+

+

+cogl_vector3_normalize, function in 3 Component Vectors
+

+

+

+cogl_vector3_subtract, function in 3 Component Vectors
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/left.png b/doc/reference/cogl-2.0-experimental/html/left.png
new file mode 100644
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+
+
+
+Appendix A. License
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Appendix A. License

+

+      This library is free software; you can redistribute it and/or
+      modify it under the terms of the GNU Library General
+      Public License as published by the Free Software
+      Foundation; either version 2 of the License, or (at your option)
+      any later version.
+    

+

+      This library is distributed in the hope that it will be useful,
+      but WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+      GNU Library General Public License for
+      more details.
+    

+

+      You may obtain a copy of the GNU Library General
+      Public License from the Free Software Foundation by
+      visiting their Web
+      site or by writing to:
+
+      

+


+        Free Software Foundation, Inc.

+        59 Temple Place - Suite 330

+        Boston, MA 02111-1307

+        USA

+      

+

+    

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-2.0-experimental/html/quad-indices-order.png b/doc/reference/cogl-2.0-experimental/html/quad-indices-order.png
new file mode 100644
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diff --git a/doc/reference/cogl-gst/Makefile.am b/doc/reference/cogl-gst/Makefile.am
new file mode 100644
index 0000000..5e5c21d
--- /dev/null
+++ b/doc/reference/cogl-gst/Makefile.am
@@ -0,0 +1,106 @@
+## Process this file with automake to produce Makefile.in
+
+# We require automake 1.6 at least.
+AUTOMAKE_OPTIONS = 1.6
+
+# This is a blank Makefile.am for using gtk-doc.
+# Copy this to your project's API docs directory and modify the variables to
+# suit your project. See the GTK+ Makefiles in gtk+/docs/reference for examples
+# of using the various options.
+
+# The name of the module, e.g. 'glib'.
+DOC_MODULE=cogl-gst
+
+# The top-level SGML file. You can change this if you want to.
+DOC_MAIN_SGML_FILE=$(DOC_MODULE)-docs.xml
+
+# The directory containing the source code. Relative to $(srcdir).
+# gtk-doc will search all .c & .h files beneath here for inline comments
+# documenting the functions and macros.
+# e.g. DOC_SOURCE_DIR=../../../gtk
+DOC_SOURCE_DIR=../../../cogl-gst
+
+# Extra options to pass to gtkdoc-scangobj. Not normally needed.
+SCANGOBJ_OPTIONS=--type-init-func="gst_init(NULL, NULL)"
+
+# Extra options to supply to gtkdoc-scan.
+# e.g. SCAN_OPTIONS=--deprecated-guards="GTK_DISABLE_DEPRECATED"
+SCAN_OPTIONS=--deprecated-guards="COGL_DISABLE_DEPRECATED"
+
+# Extra options to supply to gtkdoc-mkdb.
+# e.g. MKDB_OPTIONS=--sgml-mode --output-format=xml
+MKDB_OPTIONS=--sgml-mode --output-format=xml --name-space=cogl_gst
+
+# Extra options to supply to gtkdoc-mktmpl
+# e.g. MKTMPL_OPTIONS=--only-section-tmpl
+MKTMPL_OPTIONS=
+
+# Extra options to supply to gtkdoc-fixref. Not normally needed.
+# e.g. FIXXREF_OPTIONS=--extra-dir=../gdk-pixbuf/html --extra-dir=../gdk/html
+FIXXREF_OPTIONS=\
+	--extra-dir=$(GLIB_PREFIX)/share/gtk-doc/html/glib \
+	--extra-dir=$(GDKPIXBUF_PREFIX)/share/gtk-doc/html/gdk-pixbuf \
+	--extra-dir=$(GSTREAMER_PREFIX)/share/gtk-doc/html/gstreamer-1.0 \
+	--extra-dir=$(GSTREAMER_PREFIX)/share/gtk-doc/html/gstreamer-libs-1.0
+
+# Used for dependencies. The docs will be rebuilt if any of these change.
+# e.g. HFILE_GLOB=$(top_srcdir)/gtk/*.h
+# e.g. CFILE_GLOB=$(top_srcdir)/gtk/*.c
+HFILE_GLOB=\
+	$(top_srcdir)/cogl/*.h \
+	$(top_builddir)/cogl/*.h \
+	$(top_srcdir)/cogl/winsys/*.h \
+	$(top_srcdir)/cogl-gst/*.h
+CFILE_GLOB=$(top_srcdir)/cogl-gst/*.c
+
+IGNORE_HFILES=\
+	$(NULL)
+
+EXTRA_HFILES=
+
+# Images to copy into HTML directory.
+# e.g. HTML_IMAGES=$(top_srcdir)/gtk/stock-icons/stock_about_24.png
+HTML_IMAGES=\
+	$(NULL)
+
+# Extra SGML files that are included by $(DOC_MAIN_SGML_FILE).
+# e.g. content_files=running.sgml building.sgml changes-2.0.sgml
+content_files=\
+	$(NULL)
+
+# SGML files where gtk-doc abbrevations (#GtkWidget) are expanded
+# These files must be listed here *and* in content_files
+# e.g. expand_content_files=running.sgml
+expand_content_files=\
+	$(NULL)
+
+# CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library.
+# Only needed if you are using gtkdoc-scangobj to dynamically query widget
+# signals and properties.
+# e.g. AM_CPPFLAGS=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS)
+# e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
+
+AM_CPPFLAGS=\
+	-I$(top_srcdir) \
+	-I$(top_builddir) \
+	-DCOGL_ENABLE_EXPERIMENTAL_API \
+	$(COGL_DEP_CFLAGS) \
+	$(COGL_GST_DEP_CFLAGS)
+
+GTKDOC_LIBS=\
+	$(top_builddir)/cogl/libcogl.la \
+	$(top_builddir)/cogl-gst/libcogl-gst.la \
+	$(COGL_DEP_LIBS) \
+	$(COGL_GST_DEP_LIBS)
+
+# This includes the standard gtk-doc make rules, copied by gtkdocize.
+if BUILD_GTK_DOC
+include $(top_srcdir)/gtk-doc.make
+else
+EXTRA_DIST =
+endif
+
+# Other files to distribute
+# e.g. EXTRA_DIST += version.xml.in
+
+EXTRA_DIST += $(HTML_IMAGES) $(content_files)
diff --git a/doc/reference/cogl-gst/Makefile.in b/doc/reference/cogl-gst/Makefile.in
new file mode 100644
index 0000000..beb1f2d
--- /dev/null
+++ b/doc/reference/cogl-gst/Makefile.in
@@ -0,0 +1,942 @@
+# Makefile.in generated by automake 1.14.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# -*- mode: makefile -*-
+
+####################################
+# Everything below here is generic #
+####################################
+VPATH = @srcdir@
+am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)'
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
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+
+# This is a blank Makefile.am for using gtk-doc.
+# Copy this to your project's API docs directory and modify the variables to
+# suit your project. See the GTK+ Makefiles in gtk+/docs/reference for examples
+# of using the various options.
+
+# The name of the module, e.g. 'glib'.
+DOC_MODULE = cogl-gst
+
+# The top-level SGML file. You can change this if you want to.
+DOC_MAIN_SGML_FILE = $(DOC_MODULE)-docs.xml
+
+# The directory containing the source code. Relative to $(srcdir).
+# gtk-doc will search all .c & .h files beneath here for inline comments
+# documenting the functions and macros.
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+DOC_SOURCE_DIR = ../../../cogl-gst
+
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+
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+
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+# e.g. MKDB_OPTIONS=--sgml-mode --output-format=xml
+MKDB_OPTIONS = --sgml-mode --output-format=xml --name-space=cogl_gst
+
+# Extra options to supply to gtkdoc-mktmpl
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+
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+# e.g. FIXXREF_OPTIONS=--extra-dir=../gdk-pixbuf/html --extra-dir=../gdk/html
+FIXXREF_OPTIONS = \
+	--extra-dir=$(GLIB_PREFIX)/share/gtk-doc/html/glib \
+	--extra-dir=$(GDKPIXBUF_PREFIX)/share/gtk-doc/html/gdk-pixbuf \
+	--extra-dir=$(GSTREAMER_PREFIX)/share/gtk-doc/html/gstreamer-1.0 \
+	--extra-dir=$(GSTREAMER_PREFIX)/share/gtk-doc/html/gstreamer-libs-1.0
+
+
+# Used for dependencies. The docs will be rebuilt if any of these change.
+# e.g. HFILE_GLOB=$(top_srcdir)/gtk/*.h
+# e.g. CFILE_GLOB=$(top_srcdir)/gtk/*.c
+HFILE_GLOB = \
+	$(top_srcdir)/cogl/*.h \
+	$(top_builddir)/cogl/*.h \
+	$(top_srcdir)/cogl/winsys/*.h \
+	$(top_srcdir)/cogl-gst/*.h
+
+CFILE_GLOB = $(top_srcdir)/cogl-gst/*.c
+IGNORE_HFILES = \
+	$(NULL)
+
+EXTRA_HFILES = 
+
+# Images to copy into HTML directory.
+# e.g. HTML_IMAGES=$(top_srcdir)/gtk/stock-icons/stock_about_24.png
+HTML_IMAGES = \
+	$(NULL)
+
+
+# Extra SGML files that are included by $(DOC_MAIN_SGML_FILE).
+# e.g. content_files=running.sgml building.sgml changes-2.0.sgml
+content_files = \
+	$(NULL)
+
+
+# SGML files where gtk-doc abbrevations (#GtkWidget) are expanded
+# These files must be listed here *and* in content_files
+# e.g. expand_content_files=running.sgml
+expand_content_files = \
+	$(NULL)
+
+
+# CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library.
+# Only needed if you are using gtkdoc-scangobj to dynamically query widget
+# signals and properties.
+# e.g. AM_CPPFLAGS=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS)
+# e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
+AM_CPPFLAGS = \
+	-I$(top_srcdir) \
+	-I$(top_builddir) \
+	-DCOGL_ENABLE_EXPERIMENTAL_API \
+	$(COGL_DEP_CFLAGS) \
+	$(COGL_GST_DEP_CFLAGS)
+
+GTKDOC_LIBS = \
+	$(top_builddir)/cogl/libcogl.la \
+	$(top_builddir)/cogl-gst/libcogl-gst.la \
+	$(COGL_DEP_LIBS) \
+	$(COGL_GST_DEP_LIBS)
+
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_FALSE@GTKDOC_CC = $(CC) $(INCLUDES) $(GTKDOC_DEPS_CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_TRUE@GTKDOC_CC = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(INCLUDES) $(GTKDOC_DEPS_CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_FALSE@GTKDOC_LD = $(CC) $(GTKDOC_DEPS_LIBS) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS)
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_TRUE@GTKDOC_LD = $(LIBTOOL) --tag=CC --mode=link $(CC) $(GTKDOC_DEPS_LIBS) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS)
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_FALSE@GTKDOC_RUN = 
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_TRUE@GTKDOC_RUN = $(LIBTOOL) --mode=execute
+
+# We set GPATH here; this gives us semantics for GNU make
+# which are more like other make's VPATH, when it comes to
+# whether a source that is a target of one rule is then
+# searched for in VPATH/GPATH.
+#
+@BUILD_GTK_DOC_TRUE@GPATH = $(srcdir)
+@BUILD_GTK_DOC_TRUE@TARGET_DIR = $(HTML_DIR)/$(DOC_MODULE)
+@BUILD_GTK_DOC_TRUE@SETUP_FILES = \
+@BUILD_GTK_DOC_TRUE@	$(content_files)		\
+@BUILD_GTK_DOC_TRUE@	$(DOC_MAIN_SGML_FILE)		\
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-sections.txt	\
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-overrides.txt
+
+
+# This includes the standard gtk-doc make rules, copied by gtkdocize.
+
+# Other files to distribute
+# e.g. EXTRA_DIST += version.xml.in
+@BUILD_GTK_DOC_FALSE@EXTRA_DIST = $(HTML_IMAGES) $(content_files)
+
+# Other files to distribute
+# e.g. EXTRA_DIST += version.xml.in
+@BUILD_GTK_DOC_TRUE@EXTRA_DIST = $(HTML_IMAGES) $(SETUP_FILES) \
+@BUILD_GTK_DOC_TRUE@	$(HTML_IMAGES) $(content_files)
+@BUILD_GTK_DOC_TRUE@DOC_STAMPS = setup-build.stamp scan-build.stamp sgml-build.stamp \
+@BUILD_GTK_DOC_TRUE@	html-build.stamp pdf-build.stamp \
+@BUILD_GTK_DOC_TRUE@	sgml.stamp html.stamp pdf.stamp
+
+@BUILD_GTK_DOC_TRUE@SCANOBJ_FILES = \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).args 	 \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).hierarchy  \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).interfaces \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).prerequisites \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).signals
+
+@BUILD_GTK_DOC_TRUE@REPORT_FILES = \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-undocumented.txt \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-undeclared.txt \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-unused.txt
+
+@BUILD_GTK_DOC_TRUE@CLEANFILES = $(SCANOBJ_FILES) $(REPORT_FILES) $(DOC_STAMPS)
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_HTML_FALSE@HTML_BUILD_STAMP = 
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_HTML_TRUE@HTML_BUILD_STAMP = html-build.stamp
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_PDF_FALSE@PDF_BUILD_STAMP = 
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_PDF_TRUE@PDF_BUILD_STAMP = pdf-build.stamp
+
+#### setup ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SETUP = $(GTK_DOC_V_SETUP_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SETUP_ = $(GTK_DOC_V_SETUP_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SETUP_0 = @echo "  DOC   Preparing build";
+
+#### scan ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SCAN = $(GTK_DOC_V_SCAN_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SCAN_ = $(GTK_DOC_V_SCAN_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SCAN_0 = @echo "  DOC   Scanning header files";
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_INTROSPECT = $(GTK_DOC_V_INTROSPECT_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_INTROSPECT_ = $(GTK_DOC_V_INTROSPECT_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_INTROSPECT_0 = @echo "  DOC   Introspecting gobjects";
+
+#### xml ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XML = $(GTK_DOC_V_XML_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XML_ = $(GTK_DOC_V_XML_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XML_0 = @echo "  DOC   Building XML";
+
+#### html ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_HTML = $(GTK_DOC_V_HTML_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_HTML_ = $(GTK_DOC_V_HTML_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_HTML_0 = @echo "  DOC   Building HTML";
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XREF = $(GTK_DOC_V_XREF_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XREF_ = $(GTK_DOC_V_XREF_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XREF_0 = @echo "  DOC   Fixing cross-references";
+
+#### pdf ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_PDF = $(GTK_DOC_V_PDF_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_PDF_ = $(GTK_DOC_V_PDF_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_PDF_0 = @echo "  DOC   Building PDF";
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(top_srcdir)/gtk-doc.make $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign doc/reference/cogl-gst/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign doc/reference/cogl-gst/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+$(top_srcdir)/gtk-doc.make:
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+cogl-gst-docs.xml: $(top_builddir)/config.status $(srcdir)/cogl-gst-docs.xml.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
+@BUILD_GTK_DOC_FALSE@dist-hook:
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	$(MAKE) $(AM_MAKEFLAGS) \
+	  top_distdir="$(top_distdir)" distdir="$(distdir)" \
+	  dist-hook
+check-am: all-am
+check: check-am
+@BUILD_GTK_DOC_FALSE@all-local:
+all-am: Makefile all-local
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+@BUILD_GTK_DOC_FALSE@clean-local:
+@BUILD_GTK_DOC_FALSE@maintainer-clean-local:
+@BUILD_GTK_DOC_FALSE@install-data-local:
+@BUILD_GTK_DOC_FALSE@uninstall-local:
+@BUILD_GTK_DOC_FALSE@distclean-local:
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-local mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-local
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-data-local
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic \
+	maintainer-clean-local
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-local
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am all-local check check-am clean clean-generic \
+	clean-libtool clean-local cscopelist-am ctags-am dist-hook \
+	distclean distclean-generic distclean-libtool distclean-local \
+	distdir dvi dvi-am html html-am info info-am install \
+	install-am install-data install-data-am install-data-local \
+	install-dvi install-dvi-am install-exec install-exec-am \
+	install-html install-html-am install-info install-info-am \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	maintainer-clean-local mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \
+	uninstall-am uninstall-local
+
+
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@all-local: $(HTML_BUILD_STAMP) $(PDF_BUILD_STAMP)
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@all-local:
+
+@BUILD_GTK_DOC_TRUE@docs: $(HTML_BUILD_STAMP) $(PDF_BUILD_STAMP)
+
+@BUILD_GTK_DOC_TRUE@$(REPORT_FILES): sgml-build.stamp
+
+@BUILD_GTK_DOC_TRUE@setup-build.stamp:
+@BUILD_GTK_DOC_TRUE@	-$(GTK_DOC_V_SETUP)if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \
+@BUILD_GTK_DOC_TRUE@	    files=`echo $(SETUP_FILES) $(expand_content_files) $(DOC_MODULE).types`; \
+@BUILD_GTK_DOC_TRUE@	    if test "x$$files" != "x" ; then \
+@BUILD_GTK_DOC_TRUE@	        for file in $$files ; do \
+@BUILD_GTK_DOC_TRUE@	            test -f $(abs_srcdir)/$$file && \
+@BUILD_GTK_DOC_TRUE@	                cp -pu $(abs_srcdir)/$$file $(abs_builddir)/$$file || true; \
+@BUILD_GTK_DOC_TRUE@	        done; \
+@BUILD_GTK_DOC_TRUE@	    fi; \
+@BUILD_GTK_DOC_TRUE@	fi
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch setup-build.stamp
+
+@BUILD_GTK_DOC_TRUE@scan-build.stamp: $(HFILE_GLOB) $(CFILE_GLOB)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_SCAN)_source_dir='' ; \
+@BUILD_GTK_DOC_TRUE@	for i in $(DOC_SOURCE_DIR) ; do \
+@BUILD_GTK_DOC_TRUE@	    _source_dir="$${_source_dir} --source-dir=$$i" ; \
+@BUILD_GTK_DOC_TRUE@	done ; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-scan --module=$(DOC_MODULE) --ignore-headers="$(IGNORE_HFILES)" $${_source_dir} $(SCAN_OPTIONS) $(EXTRA_HFILES)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_INTROSPECT)if grep -l '^..*$$' $(DOC_MODULE).types > /dev/null 2>&1 ; then \
+@BUILD_GTK_DOC_TRUE@	    scanobj_options=""; \
+@BUILD_GTK_DOC_TRUE@	    gtkdoc-scangobj 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
+@BUILD_GTK_DOC_TRUE@	    if test "$(?)" = "0"; then \
+@BUILD_GTK_DOC_TRUE@	        if test "x$(V)" = "x1"; then \
+@BUILD_GTK_DOC_TRUE@	            scanobj_options="--verbose"; \
+@BUILD_GTK_DOC_TRUE@	        fi; \
+@BUILD_GTK_DOC_TRUE@	    fi; \
+@BUILD_GTK_DOC_TRUE@	    CC="$(GTKDOC_CC)" LD="$(GTKDOC_LD)" RUN="$(GTKDOC_RUN)" CFLAGS="$(GTKDOC_CFLAGS) $(CFLAGS)" LDFLAGS="$(GTKDOC_LIBS) $(LDFLAGS)" \
+@BUILD_GTK_DOC_TRUE@	    gtkdoc-scangobj $(SCANGOBJ_OPTIONS) $$scanobj_options --module=$(DOC_MODULE); \
+@BUILD_GTK_DOC_TRUE@	else \
+@BUILD_GTK_DOC_TRUE@	    for i in $(SCANOBJ_FILES) ; do \
+@BUILD_GTK_DOC_TRUE@	        test -f $$i || touch $$i ; \
+@BUILD_GTK_DOC_TRUE@	    done \
+@BUILD_GTK_DOC_TRUE@	fi
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch scan-build.stamp
+
+@BUILD_GTK_DOC_TRUE@$(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections.txt $(DOC_MODULE)-overrides.txt: scan-build.stamp
+@BUILD_GTK_DOC_TRUE@	@true
+
+@BUILD_GTK_DOC_TRUE@sgml-build.stamp: setup-build.stamp $(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections.txt $(DOC_MODULE)-overrides.txt $(expand_content_files)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_XML)_source_dir='' ; \
+@BUILD_GTK_DOC_TRUE@	for i in $(DOC_SOURCE_DIR) ; do \
+@BUILD_GTK_DOC_TRUE@	    _source_dir="$${_source_dir} --source-dir=$$i" ; \
+@BUILD_GTK_DOC_TRUE@	done ; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkdb --module=$(DOC_MODULE) --output-format=xml --expand-content-files="$(expand_content_files)" --main-sgml-file=$(DOC_MAIN_SGML_FILE) $${_source_dir} $(MKDB_OPTIONS)
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch sgml-build.stamp
+
+@BUILD_GTK_DOC_TRUE@sgml.stamp: sgml-build.stamp
+@BUILD_GTK_DOC_TRUE@	@true
+
+@BUILD_GTK_DOC_TRUE@html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_HTML)rm -rf html && mkdir html && \
+@BUILD_GTK_DOC_TRUE@	mkhtml_options=""; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
+@BUILD_GTK_DOC_TRUE@	if test "$(?)" = "0"; then \
+@BUILD_GTK_DOC_TRUE@	  if test "x$(V)" = "x1"; then \
+@BUILD_GTK_DOC_TRUE@	    mkhtml_options="$$mkhtml_options --verbose"; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-path"; \
+@BUILD_GTK_DOC_TRUE@	if test "$(?)" = "0"; then \
+@BUILD_GTK_DOC_TRUE@	  mkhtml_options="$$mkhtml_options --path=\"$(abs_srcdir)\""; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	cd html && gtkdoc-mkhtml $$mkhtml_options $(MKHTML_OPTIONS) $(DOC_MODULE) ../$(DOC_MAIN_SGML_FILE)
+@BUILD_GTK_DOC_TRUE@	-@test "x$(HTML_IMAGES)" = "x" || \
+@BUILD_GTK_DOC_TRUE@	for file in $(HTML_IMAGES) ; do \
+@BUILD_GTK_DOC_TRUE@	  if test -f $(abs_srcdir)/$$file ; then \
+@BUILD_GTK_DOC_TRUE@	    cp $(abs_srcdir)/$$file $(abs_builddir)/html; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	  if test -f $(abs_builddir)/$$file ; then \
+@BUILD_GTK_DOC_TRUE@	    cp $(abs_builddir)/$$file $(abs_builddir)/html; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	done;
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_XREF)gtkdoc-fixxref --module=$(DOC_MODULE) --module-dir=html --html-dir=$(HTML_DIR) $(FIXXREF_OPTIONS)
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch html-build.stamp
+
+@BUILD_GTK_DOC_TRUE@pdf-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_PDF)rm -f $(DOC_MODULE).pdf && \
+@BUILD_GTK_DOC_TRUE@	mkpdf_options=""; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkpdf 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
+@BUILD_GTK_DOC_TRUE@	if test "$(?)" = "0"; then \
+@BUILD_GTK_DOC_TRUE@	  if test "x$(V)" = "x1"; then \
+@BUILD_GTK_DOC_TRUE@	    mkpdf_options="$$mkpdf_options --verbose"; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	if test "x$(HTML_IMAGES)" != "x"; then \
+@BUILD_GTK_DOC_TRUE@	  for img in $(HTML_IMAGES); do \
+@BUILD_GTK_DOC_TRUE@	    part=`dirname $$img`; \
+@BUILD_GTK_DOC_TRUE@	    echo $$mkpdf_options | grep >/dev/null "\-\-imgdir=$$part "; \
+@BUILD_GTK_DOC_TRUE@	    if test $$? != 0; then \
+@BUILD_GTK_DOC_TRUE@	      mkpdf_options="$$mkpdf_options --imgdir=$$part"; \
+@BUILD_GTK_DOC_TRUE@	    fi; \
+@BUILD_GTK_DOC_TRUE@	  done; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkpdf --path="$(abs_srcdir)" $$mkpdf_options $(DOC_MODULE) $(DOC_MAIN_SGML_FILE) $(MKPDF_OPTIONS)
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch pdf-build.stamp
+
+##############
+
+@BUILD_GTK_DOC_TRUE@clean-local:
+@BUILD_GTK_DOC_TRUE@	@rm -f *~ *.bak
+@BUILD_GTK_DOC_TRUE@	@rm -rf .libs
+
+@BUILD_GTK_DOC_TRUE@distclean-local:
+@BUILD_GTK_DOC_TRUE@	@rm -rf xml html $(REPORT_FILES) $(DOC_MODULE).pdf \
+@BUILD_GTK_DOC_TRUE@	    $(DOC_MODULE)-decl-list.txt $(DOC_MODULE)-decl.txt
+@BUILD_GTK_DOC_TRUE@	@if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \
+@BUILD_GTK_DOC_TRUE@	    rm -f $(SETUP_FILES) $(expand_content_files) $(DOC_MODULE).types; \
+@BUILD_GTK_DOC_TRUE@	fi
+
+@BUILD_GTK_DOC_TRUE@maintainer-clean-local:
+@BUILD_GTK_DOC_TRUE@	@rm -rf xml html
+
+@BUILD_GTK_DOC_TRUE@install-data-local:
+@BUILD_GTK_DOC_TRUE@	@installfiles=`echo $(builddir)/html/*`; \
+@BUILD_GTK_DOC_TRUE@	if test "$$installfiles" = '$(builddir)/html/*'; \
+@BUILD_GTK_DOC_TRUE@	then echo 1>&2 'Nothing to install' ; \
+@BUILD_GTK_DOC_TRUE@	else \
+@BUILD_GTK_DOC_TRUE@	  if test -n "$(DOC_MODULE_VERSION)"; then \
+@BUILD_GTK_DOC_TRUE@	    installdir="$(DESTDIR)$(TARGET_DIR)-$(DOC_MODULE_VERSION)"; \
+@BUILD_GTK_DOC_TRUE@	  else \
+@BUILD_GTK_DOC_TRUE@	    installdir="$(DESTDIR)$(TARGET_DIR)"; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	  $(mkinstalldirs) $${installdir} ; \
+@BUILD_GTK_DOC_TRUE@	  for i in $$installfiles; do \
+@BUILD_GTK_DOC_TRUE@	    echo ' $(INSTALL_DATA) '$$i ; \
+@BUILD_GTK_DOC_TRUE@	    $(INSTALL_DATA) $$i $${installdir}; \
+@BUILD_GTK_DOC_TRUE@	  done; \
+@BUILD_GTK_DOC_TRUE@	  if test -n "$(DOC_MODULE_VERSION)"; then \
+@BUILD_GTK_DOC_TRUE@	    mv -f $${installdir}/$(DOC_MODULE).devhelp2 \
+@BUILD_GTK_DOC_TRUE@	      $${installdir}/$(DOC_MODULE)-$(DOC_MODULE_VERSION).devhelp2; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	  $(GTKDOC_REBASE) --relative --dest-dir=$(DESTDIR) --html-dir=$${installdir}; \
+@BUILD_GTK_DOC_TRUE@	fi
+
+@BUILD_GTK_DOC_TRUE@uninstall-local:
+@BUILD_GTK_DOC_TRUE@	@if test -n "$(DOC_MODULE_VERSION)"; then \
+@BUILD_GTK_DOC_TRUE@	  installdir="$(DESTDIR)$(TARGET_DIR)-$(DOC_MODULE_VERSION)"; \
+@BUILD_GTK_DOC_TRUE@	else \
+@BUILD_GTK_DOC_TRUE@	  installdir="$(DESTDIR)$(TARGET_DIR)"; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	rm -rf $${installdir}
+
+#
+# Require gtk-doc when making dist
+#
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@dist-check-gtkdoc: docs
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@dist-check-gtkdoc:
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@	@echo "*** gtk-doc must be installed and enabled in order to make dist"
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@	@false
+
+@BUILD_GTK_DOC_TRUE@dist-hook: dist-check-gtkdoc dist-hook-local
+@BUILD_GTK_DOC_TRUE@	@mkdir $(distdir)/html
+@BUILD_GTK_DOC_TRUE@	@cp ./html/* $(distdir)/html
+@BUILD_GTK_DOC_TRUE@	@-cp ./$(DOC_MODULE).pdf $(distdir)/
+@BUILD_GTK_DOC_TRUE@	@-cp ./$(DOC_MODULE).types $(distdir)/
+@BUILD_GTK_DOC_TRUE@	@-cp ./$(DOC_MODULE)-sections.txt $(distdir)/
+@BUILD_GTK_DOC_TRUE@	@cd $(distdir) && rm -f $(DISTCLEANFILES)
+@BUILD_GTK_DOC_TRUE@	@$(GTKDOC_REBASE) --online --relative --html-dir=$(distdir)/html
+
+@BUILD_GTK_DOC_TRUE@.PHONY : dist-hook-local docs
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/doc/reference/cogl-gst/cogl-gst-docs.xml b/doc/reference/cogl-gst/cogl-gst-docs.xml
new file mode 100644
index 0000000..a4bca53
--- /dev/null
+++ b/doc/reference/cogl-gst/cogl-gst-docs.xml
@@ -0,0 +1,105 @@
+
+
+]>
+
+
+  
+    Cogl GST 2.0 Reference Manual
+    for Cogl &version;
+
+    
+      2013
+      Intel Corporation
+    
+
+    
+      
+        Permission is granted to copy, distribute and/or modify this
+        document under the terms of the GNU Free
+        Documentation License, Version 1.1 or any later
+        version published by the Free Software Foundation with no
+        Invariant Sections, no Front-Cover Texts, and no Back-Cover
+        Texts. You may obtain a copy of the GNU Free
+        Documentation License from the Free Software
+        Foundation by visiting their Web site or by writing
+        to:
+
+        

+          The Free Software Foundation, Inc.,
+          59 Temple Place - Suite 330,
+          Boston, MA 02111-1307,
+          USA
+        

+      
+    
+
+  
+
+  
+    Cogl GST - a library for integrating GStreamer with Cogl
+
+    

+      About Cogl GST
+
+      Cogl GST is a small library which provides a GStreamer
+      sink which can manage a CoglPipeline to render a video within a
+      Cogl scene.
+
+    

+
+    

+      General APIs
+      
+    

+
+  
+
+  
+    Glossaries
+
+    
+  
+
+  
+    Index of all symbols
+    
+  
+
+  
+    License
+
+    
+      This library is free software; you can redistribute it and/or
+      modify it under the terms of the GNU Library General
+      Public License as published by the Free Software
+      Foundation; either version 2 of the License, or (at your option)
+      any later version.
+    
+
+    
+      This library is distributed in the hope that it will be useful,
+      but WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+      GNU Library General Public License for
+      more details.
+    
+
+    
+      You may obtain a copy of the GNU Library General
+      Public License from the Free Software Foundation by
+      visiting their Web
+      site or by writing to:
+
+      

+        Free Software Foundation, Inc.
+        59 Temple Place - Suite 330
+        Boston, MA 02111-1307
+        USA
+      

+    
+  
+
+
diff --git a/doc/reference/cogl-gst/cogl-gst-docs.xml.in b/doc/reference/cogl-gst/cogl-gst-docs.xml.in
new file mode 100644
index 0000000..8bf4fb6
--- /dev/null
+++ b/doc/reference/cogl-gst/cogl-gst-docs.xml.in
@@ -0,0 +1,105 @@
+
+
+]>
+
+
+  
+    Cogl GST 2.0 Reference Manual
+    for Cogl &version;
+
+    
+      2013
+      Intel Corporation
+    
+
+    
+      
+        Permission is granted to copy, distribute and/or modify this
+        document under the terms of the GNU Free
+        Documentation License, Version 1.1 or any later
+        version published by the Free Software Foundation with no
+        Invariant Sections, no Front-Cover Texts, and no Back-Cover
+        Texts. You may obtain a copy of the GNU Free
+        Documentation License from the Free Software
+        Foundation by visiting their Web site or by writing
+        to:
+
+        

+          The Free Software Foundation, Inc.,
+          59 Temple Place - Suite 330,
+          Boston, MA 02111-1307,
+          USA
+        

+      
+    
+
+  
+
+  
+    Cogl GST - a library for integrating GStreamer with Cogl
+
+    

+      About Cogl GST
+
+      Cogl GST is a small library which provides a GStreamer
+      sink which can manage a CoglPipeline to render a video within a
+      Cogl scene.
+
+    

+
+    

+      General APIs
+      
+    

+
+  
+
+  
+    Glossaries
+
+    
+  
+
+  
+    Index of all symbols
+    
+  
+
+  
+    License
+
+    
+      This library is free software; you can redistribute it and/or
+      modify it under the terms of the GNU Library General
+      Public License as published by the Free Software
+      Foundation; either version 2 of the License, or (at your option)
+      any later version.
+    
+
+    
+      This library is distributed in the hope that it will be useful,
+      but WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+      GNU Library General Public License for
+      more details.
+    
+
+    
+      You may obtain a copy of the GNU Library General
+      Public License from the Free Software Foundation by
+      visiting their Web
+      site or by writing to:
+
+      

+        Free Software Foundation, Inc.
+        59 Temple Place - Suite 330
+        Boston, MA 02111-1307
+        USA
+      

+    
+  
+
+
diff --git a/doc/reference/cogl-gst/cogl-gst-overrides.txt b/doc/reference/cogl-gst/cogl-gst-overrides.txt
new file mode 100644
index 0000000..e69de29
diff --git a/doc/reference/cogl-gst/cogl-gst-sections.txt b/doc/reference/cogl-gst/cogl-gst-sections.txt
new file mode 100644
index 0000000..0b6c0bd
--- /dev/null
+++ b/doc/reference/cogl-gst/cogl-gst-sections.txt
@@ -0,0 +1,33 @@
+

+cogl-gst-video-sink
+CoglGstVideoSink
+
+
+CoglGstVideoSink
+CoglGstVideoSinkClass
+cogl_gst_video_sink_new
+cogl_gst_video_sink_set_context
+cogl_gst_video_sink_get_pipeline
+cogl_gst_video_sink_attach_frame
+cogl_gst_video_sink_setup_pipeline
+cogl_gst_video_sink_get_free_layer
+cogl_gst_video_sink_set_first_layer
+cogl_gst_video_sink_set_default_sample
+cogl_gst_video_sink_is_ready
+cogl_gst_video_sink_get_aspect
+cogl_gst_video_sink_get_width_for_height
+cogl_gst_video_sink_get_height_for_width
+cogl_gst_video_sink_fit_size
+
+
+COGL_GST_IS_VIDEO_SINK
+COGL_GST_IS_VIDEO_SINK_CLASS
+COGL_GST_VIDEO_SINK
+COGL_GST_VIDEO_SINK_CLASS
+COGL_GST_TYPE_VIDEO_SINK
+COGL_GST_VIDEO_SINK_GET_CLASS
+
+CoglGstVideoSinkPrivate
+cogl_gst_video_sink_get_type
+
+

diff --git a/doc/reference/cogl-gst/cogl-gst.types b/doc/reference/cogl-gst/cogl-gst.types
new file mode 100644
index 0000000..4d6f953
--- /dev/null
+++ b/doc/reference/cogl-gst/cogl-gst.types
@@ -0,0 +1,2 @@
+#include 
+cogl_gst_video_sink_get_type
diff --git a/doc/reference/cogl-gst/html/CoglGstVideoSink.html b/doc/reference/cogl-gst/html/CoglGstVideoSink.html
new file mode 100644
index 0000000..0fc861c
--- /dev/null
+++ b/doc/reference/cogl-gst/html/CoglGstVideoSink.html
@@ -0,0 +1,723 @@
+
+
+
+
+CoglGstVideoSink
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
CoglGstVideoSink

+
CoglGstVideoSink — A video sink for integrating a GStreamer
+  pipeline with a Cogl pipeline.

+

+

+
Synopsis

+
struct              CoglGstVideoSink;
+struct              CoglGstVideoSinkClass;
+CoglGstVideoSink *  cogl_gst_video_sink_new             (CoglContext *ctx);
+void                cogl_gst_video_sink_set_context     (CoglGstVideoSink *vt,
+                                                         CoglContext *ctx);
+CoglPipeline *      cogl_gst_video_sink_get_pipeline    (CoglGstVideoSink *vt);
+void                cogl_gst_video_sink_attach_frame    (CoglGstVideoSink *sink,
+                                                         CoglPipeline *pln);
+void                cogl_gst_video_sink_setup_pipeline  (CoglGstVideoSink *sink,
+                                                         CoglPipeline *pipeline);
+int                 cogl_gst_video_sink_get_free_layer  (CoglGstVideoSink *sink);
+void                cogl_gst_video_sink_set_first_layer (CoglGstVideoSink *sink,
+                                                         int first_layer);
+void                cogl_gst_video_sink_set_default_sample
+                                                        (CoglGstVideoSink *sink,
+                                                         CoglBool default_sample);
+CoglBool            cogl_gst_video_sink_is_ready        (CoglGstVideoSink *sink);
+float               cogl_gst_video_sink_get_aspect      (CoglGstVideoSink *sink);
+float               cogl_gst_video_sink_get_width_for_height
+                                                        (CoglGstVideoSink *sink,
+                                                         float height);
+float               cogl_gst_video_sink_get_height_for_width
+                                                        (CoglGstVideoSink *sink,
+                                                         float width);
+void                cogl_gst_video_sink_fit_size        (CoglGstVideoSink *sink,
+                                                         const CoglGstRectangle *available,
+                                                         CoglGstRectangle *output);
+

+

+

+
Object Hierarchy

+
+  GObject
+   +----GInitiallyUnowned
+         +----GstObject
+               +----GstElement
+                     +----GstBaseSink
+                           +----CoglGstVideoSink
+

+

+

+
Properties

+
+  "update-priority"          gint                  : Read / Write
+

+

+

+
Signals

+
+  "new-frame"                                      : Run Last
+  "pipeline-ready"                                 : Run Last
+

+

+

+
Description

+

+CoglGstVideoSink is a subclass of GstBaseSink which can be used to
+create a CoglPipeline for rendering the frames of the video.
+

+

+To create a basic video player, an application can create a
+GstPipeline as normal using gst_pipeline_new() and set the
+sink on it to one created with cogl_gst_video_sink_new(). The
+application can then listen for the "new-frame"
+signal which will be emitted whenever there are new textures ready
+for rendering. For simple rendering, the application can just call
+cogl_gst_video_sink_get_pipeline() in the signal handler and use
+the returned pipeline to paint the new frame.
+

+

+An application is also free to do more advanced rendering by
+customizing the pipeline. In that case it should listen for the
+"pipeline-ready" signal which will be emitted as
+soon as the sink has determined enough information about the video
+to know how it should be rendered. In the handler for this signal,
+the application can either make modifications to a copy of the
+pipeline returned by cogl_gst_video_sink_get_pipeline() or it can
+create its own pipeline from scratch and ask the sink to configure
+it with cogl_gst_video_sink_setup_pipeline(). If a custom pipeline
+is created using one of these methods then the application should
+call cogl_gst_video_sink_attach_frame() on the pipeline before
+rendering in order to update the textures on the pipeline's layers.
+

+

+If the COGL_FEATURE_ID_GLSL feature is available then the pipeline
+used by the sink will have a shader snippet with a function in it
+called cogl_gst_sample_video0 which takes a single vec2 argument.
+This can be used by custom snippets set the by the application to
+sample from the video. The vec2 argument represents the normalised
+coordinates within the video. The function returns a vec4
+containing a pre-multiplied RGBA color of the pixel within the
+video.
+

+

+

+
Details

+

+
struct CoglGstVideoSink

+
struct CoglGstVideoSink;

+

+The CoglGstVideoSink structure contains only private data and
+should be accessed using the provided API.
+

+
Since 1.16

+

+

+

+
struct CoglGstVideoSinkClass

+
struct CoglGstVideoSinkClass {
+  void (* new_frame) (CoglGstVideoSink *sink);
+  void (* pipeline_ready) (CoglGstVideoSink *sink);
+};
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




new_frame ()
handler for the "new-frame" signal
pipeline_ready ()
handler for the "pipeline-ready" signal

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_new ()

+
CoglGstVideoSink *  cogl_gst_video_sink_new             (CoglContext *ctx);

+

+Creates a new CoglGstVideoSink which will create resources for use
+with the given context.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




ctx :
The CoglContext
+
Returns :
a new CoglGstVideoSink. [transfer full]
+

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_set_context ()

+
void                cogl_gst_video_sink_set_context     (CoglGstVideoSink *vt,
+                                                         CoglContext *ctx);

+

+Sets the CoglContext that the video sink should use for creating
+any resources. This function would normally only be used if the
+sink was constructed via gst_element_factory_make() instead of
+cogl_gst_video_sink_new().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




vt :
The CoglGstVideoSink
+
ctx :
The CoglContext for the sink to use

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_get_pipeline ()

+
CoglPipeline *      cogl_gst_video_sink_get_pipeline    (CoglGstVideoSink *vt);

+

+Returns a pipeline suitable for rendering the current frame of the
+given video sink. The pipeline will already have the textures for
+the frame attached. For simple rendering, an application will
+typically call this function immediately before it paints the
+video. It can then just paint a rectangle using the returned
+pipeline.
+

+

+An application is free to make a copy of this
+pipeline and modify it for custom rendering.
+

+

+Note: it is considered an error to call this function before the
+"pipeline-ready" signal is emitted.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




vt :
The CoglGstVideoSink
+
Returns :
the pipeline for rendering the
+current frame. [transfer none]
+

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_attach_frame ()

+
void                cogl_gst_video_sink_attach_frame    (CoglGstVideoSink *sink,
+                                                         CoglPipeline *pln);

+

+Updates the given pipeline with the textures for the current frame.
+This can be used if the application wants to customize the
+rendering using its own pipeline. Typically this would be called in
+response to the "new-frame" signal which is
+emitted whenever the new textures are available. The application
+would then make a copy of its template pipeline and call this to
+set the textures.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




sink :
The CoglGstVideoSink
+
pln :
A CoglPipeline
+

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_setup_pipeline ()

+
void                cogl_gst_video_sink_setup_pipeline  (CoglGstVideoSink *sink,
+                                                         CoglPipeline *pipeline);

+

+Configures the given pipeline so that will be able to render the
+video for the sink. This should only be used if the application
+wants to perform some custom rendering using its own pipeline.
+Typically an application will call this in response to the
+"pipeline-ready" signal.
+

+

+Note: it is considered an error to call this function before the
+"pipeline-ready" signal is emitted.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




sink :
The CoglGstVideoSink
+
pipeline :
A CoglPipeline
+

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_get_free_layer ()

+
int                 cogl_gst_video_sink_get_free_layer  (CoglGstVideoSink *sink);

+

+This can be used when doing specialised rendering of the video by
+customizing the pipeline. CoglGstVideoSink may use up to three
+private layers on the pipeline in order to attach the textures of
+the video frame. This function will return the index of the next
+available unused layer after the sink's internal layers. This can
+be used by the application to add additional layers, for example to
+blend in another color in the fragment processing.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




sink :
The CoglGstVideoSink
+
Returns :
the index of the next available layer after the
+sink's internal layers.

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_set_first_layer ()

+
void                cogl_gst_video_sink_set_first_layer (CoglGstVideoSink *sink,
+                                                         int first_layer);

+

+Sets the index of the first layer that the sink will use for its
+rendering. This is useful if the application wants to have custom
+layers that appear before the layers added by the sink. In that
+case by default the sink's layers will be modulated with the result
+of the application's layers that come before first_layer.
+

+

+Note that if this function is called then the name of the function
+to call in the shader snippets to sample the video will also
+change. For example, if first_layer is three then the function
+will be cogl_gst_sample_video3.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




sink :
The CoglGstVideoSink
+
first_layer :
The new first layer

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_set_default_sample ()

+
void                cogl_gst_video_sink_set_default_sample
+                                                        (CoglGstVideoSink *sink,
+                                                         CoglBool default_sample);

+

+By default the pipeline generated by
+cogl_gst_video_sink_setup_pipeline() and
+cogl_gst_video_sink_get_pipeline() will have a layer with a shader
+snippet that automatically samples the video. If the application
+wants to sample the video in a completely custom way using its own
+shader snippet it can set default_sample to FALSE to avoid this
+default snippet being added. In that case the application's snippet
+can call cogl_gst_sample_video0 to sample the texture itself.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




sink :
The CoglGstVideoSink
+
default_sample :
Whether to add the default sampling

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_is_ready ()

+
CoglBool            cogl_gst_video_sink_is_ready        (CoglGstVideoSink *sink);

+

+Returns whether the pipeline is ready and so
+cogl_gst_video_sink_get_pipeline() and
+cogl_gst_video_sink_setup_pipeline() can be called without causing error.
+

+

+Note: Normally an application will wait until the
+"pipeline-ready" signal is emitted instead of
+polling the ready status with this api, but sometimes when a sink
+is passed between components that didn't have an opportunity to
+connect a signal handler this can be useful.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




sink :
The CoglGstVideoSink
+
Returns :

+TRUE if the sink is ready, else FALSE
+

+
Since 1.16

+

+

+

+
cogl_gst_video_sink_get_aspect ()

+
float               cogl_gst_video_sink_get_aspect      (CoglGstVideoSink *sink);

+

+Returns a width-for-height aspect ratio that lets you calculate a
+suitable width for displaying your video based on a given height by
+multiplying your chosen height by the returned aspect ratio.
+

+

+This aspect ratio is calculated based on the underlying size of the
+video buffers and the current pixel-aspect-ratio.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




sink :
A CoglGstVideoSink
+
Returns :
a width-for-height aspect ratio

+
Since 1.16

+
Stability Level: Unstable

+

+

+

+
cogl_gst_video_sink_get_width_for_height ()

+
float               cogl_gst_video_sink_get_width_for_height
+                                                        (CoglGstVideoSink *sink,
+                                                         float height);

+

+Calculates a suitable output width for a specific output height
+that will maintain the video's aspect ratio.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




sink :
A CoglGstVideoSink
+
height :
A specific output height
+
Returns :
An output width for the given output height.

+
Since 1.16

+
Stability Level: Unstable

+

+

+

+
cogl_gst_video_sink_get_height_for_width ()

+
float               cogl_gst_video_sink_get_height_for_width
+                                                        (CoglGstVideoSink *sink,
+                                                         float width);

+

+Calculates a suitable output height for a specific output width
+that will maintain the video's aspect ratio.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




sink :
A CoglGstVideoSink
+
width :
A specific output width
+
Returns :
An output height for the given output width.

+
Since 1.16

+
Stability Level: Unstable

+

+

+

+
cogl_gst_video_sink_fit_size ()

+
void                cogl_gst_video_sink_fit_size        (CoglGstVideoSink *sink,
+                                                         const CoglGstRectangle *available,
+                                                         CoglGstRectangle *output);

+

+Calculates a suitable output rectangle that can fit inside the
+available space while maintaining the aspect ratio of the current
+video.
+

+

+Applications would typically use this api for "letterboxing" by
+using this api to position a video inside a fixed screen space and
+filling the remaining space with black borders.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




sink :
A CoglGstVideoSink
+
available :
The space available for video output. [in]
+
output :
The return location for the calculated output position. [inout]
+

+
Since 1.16

+
Stability Level: Unstable

+

+

+

+
Property Details

+

+
The "update-priority" property

+
  "update-priority"          gint                  : Read / Write

+
Priority of video updates in the thread.

+
Allowed values: >= -2147483647

+
Default value: 100

+

+

+

+
Signal Details

+

+
The "new-frame" signal

+
void                user_function                      (CoglGstVideoSink *sink,
+                                                        gpointer          user_data)      : Run Last

+

+The sink will emit this signal whenever there are new textures
+available for a new frame of the video. After this signal is
+emitted, an application can call cogl_gst_video_sink_get_pipeline()
+to get a pipeline suitable for rendering the frame. If the
+application is using a custom pipeline it can alternatively call
+cogl_gst_video_sink_attach_frame() to attach the textures.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




sink :
the CoglGstVideoSink
+
user_data :
user data set when the signal handler was connected.

+
Since 1.16

+

+

+

+
The "pipeline-ready" signal

+
void                user_function                      (CoglGstVideoSink *sink,
+                                                        gpointer          user_data)      : Run Last

+

+The sink will emit this signal as soon as it has gathered enough
+information from the video to configure a pipeline. If the
+application wants to do some customized rendering, it can setup its
+pipeline after this signal is emitted. The application's pipeline
+will typically either be a copy of the one returned by
+cogl_gst_video_sink_get_pipeline() or it can be a completely custom
+pipeline which is setup using cogl_gst_video_sink_setup_pipeline().
+

+

+Note that it is an error to call either of those functions before
+this signal is emitted. The "new-frame" signal
+will only be emitted after the pipeline is ready so the application
+could also create its pipeline in the handler for that.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




sink :
the CoglGstVideoSink
+
user_data :
user data set when the signal handler was connected.

+
Since 1.16

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-gst/html/ch01.html b/doc/reference/cogl-gst/html/ch01.html
new file mode 100644
index 0000000..e9f2acd
--- /dev/null
+++ b/doc/reference/cogl-gst/html/ch01.html
@@ -0,0 +1,45 @@
+
+
+
+
+Cogl GST - a library for integrating GStreamer with Cogl
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Cogl GST - a library for integrating GStreamer with Cogl

+

+
About Cogl GST

+
General APIs

+

+CoglGstVideoSink — A video sink for integrating a GStreamer
+  pipeline with a Cogl pipeline.
+

+

+

+

+About Cogl GST

+
Cogl GST is a small library which provides a GStreamer
+      sink which can manage a CoglPipeline to render a video within a
+      Cogl scene.

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-gst/html/cogl-gst-general-apis.html b/doc/reference/cogl-gst/html/cogl-gst-general-apis.html
new file mode 100644
index 0000000..a8083c1
--- /dev/null
+++ b/doc/reference/cogl-gst/html/cogl-gst-general-apis.html
@@ -0,0 +1,28 @@
+
+
+
+
+General APIs
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+General APIs

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-gst/html/cogl-gst.devhelp2 b/doc/reference/cogl-gst/html/cogl-gst.devhelp2
new file mode 100644
index 0000000..c349f89
--- /dev/null
+++ b/doc/reference/cogl-gst/html/cogl-gst.devhelp2
@@ -0,0 +1,37 @@
+
+
+
+  
+    
+      
+      
+        
+      
+    
+    
+      
+    
+    
+    
+  
+  
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+  
+
diff --git a/doc/reference/cogl-gst/html/coglglossary.html b/doc/reference/cogl-gst/html/coglglossary.html
new file mode 100644
index 0000000..2e9cfdd
--- /dev/null
+++ b/doc/reference/cogl-gst/html/coglglossary.html
@@ -0,0 +1,45 @@
+
+
+
+
+Glossaries
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Glossaries

+
Annotation Glossary

+

+

+Annotation Glossary

+
I

+
inout

+
Parameter for input and for returning results. Default is transfer full.

+
in

+
Parameter for input. Default is transfer none.

+
T

+
transfer full

+
Free data after the code is done.

+
transfer none

+
Don't free data after the code is done.

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-gst/html/home.png b/doc/reference/cogl-gst/html/home.png
new file mode 100644
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literal 0
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diff --git a/doc/reference/cogl-gst/html/index.html b/doc/reference/cogl-gst/html/index.html
new file mode 100644
index 0000000..a594577
--- /dev/null
+++ b/doc/reference/cogl-gst/html/index.html
@@ -0,0 +1,64 @@
+
+
+
+
+Cogl GST 2.0 Reference Manual
+
+
+
+
+
+
+
+

+

+

+

+
for Cogl 1.18.2

+
Copyright © 2013 Intel Corporation

+

+

+        Permission is granted to copy, distribute and/or modify this
+        document under the terms of the GNU Free
+        Documentation License, Version 1.1 or any later
+        version published by the Free Software Foundation with no
+        Invariant Sections, no Front-Cover Texts, and no Back-Cover
+        Texts. You may obtain a copy of the GNU Free
+        Documentation License from the Free Software
+        Foundation by visiting their Web site or by writing
+        to:
+
+        

+


+          The Free Software Foundation, Inc.,

+          59 Temple Place - Suite 330,

+          Boston, MA 02111-1307,

+          USA

+        

+

+      

+

+

+

+

+

+
Cogl GST - a library for integrating GStreamer with Cogl

+

+
About Cogl GST

+
General APIs

+

+CoglGstVideoSink — A video sink for integrating a GStreamer
+  pipeline with a Cogl pipeline.
+

+

+
Glossaries

+
Annotation Glossary

+
Index of all symbols

+
A. License

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-gst/html/index.sgml b/doc/reference/cogl-gst/html/index.sgml
new file mode 100644
index 0000000..a4fe0ef
--- /dev/null
+++ b/doc/reference/cogl-gst/html/index.sgml
@@ -0,0 +1,31 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/doc/reference/cogl-gst/html/ix01.html b/doc/reference/cogl-gst/html/ix01.html
new file mode 100644
index 0000000..6cef8b0
--- /dev/null
+++ b/doc/reference/cogl-gst/html/ix01.html
@@ -0,0 +1,111 @@
+
+
+
+
+Index of all symbols
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of all symbols

+
C

+

+CoglGstVideoSink, struct in CoglGstVideoSink
+

+

+

+CoglGstVideoSink::new-frame, object signal in CoglGstVideoSink
+

+

+

+CoglGstVideoSink::pipeline-ready, object signal in CoglGstVideoSink
+

+

+

+CoglGstVideoSink:update-priority, object property in CoglGstVideoSink
+

+

+

+CoglGstVideoSinkClass, struct in CoglGstVideoSink
+

+

+
V

+

+cogl_gst_video_sink_attach_frame, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_fit_size, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_get_aspect, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_get_free_layer, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_get_height_for_width, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_get_pipeline, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_get_width_for_height, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_is_ready, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_new, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_setup_pipeline, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_set_context, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_set_default_sample, function in CoglGstVideoSink
+

+

+

+cogl_gst_video_sink_set_first_layer, function in CoglGstVideoSink
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl-gst/html/left.png b/doc/reference/cogl-gst/html/left.png
new file mode 100644
index 0000000000000000000000000000000000000000..2d05b3d5b4aeec9384bbfe404bfc4ed0897051c4
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+
+
+
+Appendix A. License
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Appendix A. License

+

+      This library is free software; you can redistribute it and/or
+      modify it under the terms of the GNU Library General
+      Public License as published by the Free Software
+      Foundation; either version 2 of the License, or (at your option)
+      any later version.
+    

+

+      This library is distributed in the hope that it will be useful,
+      but WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+      GNU Library General Public License for
+      more details.
+    

+

+      You may obtain a copy of the GNU Library General
+      Public License from the Free Software Foundation by
+      visiting their Web
+      site or by writing to:
+
+      

+


+        Free Software Foundation, Inc.

+        59 Temple Place - Suite 330

+        Boston, MA 02111-1307

+        USA

+      

+

+    

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
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diff --git a/doc/reference/cogl/Makefile.am b/doc/reference/cogl/Makefile.am
new file mode 100644
index 0000000..1dc050f
--- /dev/null
+++ b/doc/reference/cogl/Makefile.am
@@ -0,0 +1,152 @@
+## Process this file with automake to produce Makefile.in
+
+# We require automake 1.6 at least.
+AUTOMAKE_OPTIONS = 1.6
+
+# This is a blank Makefile.am for using gtk-doc.
+# Copy this to your project's API docs directory and modify the variables to
+# suit your project. See the GTK+ Makefiles in gtk+/docs/reference for examples
+# of using the various options.
+
+# The name of the module, e.g. 'glib'.
+DOC_MODULE=cogl
+
+# The top-level SGML file. You can change this if you want to.
+DOC_MAIN_SGML_FILE=$(DOC_MODULE)-docs.xml
+
+# The directory containing the source code. Relative to $(srcdir).
+# gtk-doc will search all .c & .h files beneath here for inline comments
+# documenting the functions and macros.
+# e.g. DOC_SOURCE_DIR=../../../gtk
+DOC_SOURCE_DIR=../../../cogl
+
+# Extra options to pass to gtkdoc-scangobj. Not normally needed.
+SCANGOBJ_OPTIONS=--type-init-func="g_type_init()"
+
+# Extra options to supply to gtkdoc-scan.
+# e.g. SCAN_OPTIONS=--deprecated-guards="GTK_DISABLE_DEPRECATED"
+SCAN_OPTIONS=--deprecated-guards="COGL_DISABLE_DEPRECATED"
+
+# Extra options to supply to gtkdoc-mkdb.
+# e.g. MKDB_OPTIONS=--sgml-mode --output-format=xml
+MKDB_OPTIONS=--sgml-mode --output-format=xml --name-space=cogl
+
+# Extra options to supply to gtkdoc-mktmpl
+# e.g. MKTMPL_OPTIONS=--only-section-tmpl
+MKTMPL_OPTIONS=
+
+# Extra options to supply to gtkdoc-fixref. Not normally needed.
+# e.g. FIXXREF_OPTIONS=--extra-dir=../gdk-pixbuf/html --extra-dir=../gdk/html
+FIXXREF_OPTIONS=\
+	--extra-dir=$(GLIB_PREFIX)/share/gtk-doc/html/glib \
+	--extra-dir=$(GDPIXBUF_PREFIX)/share/gtk-doc/html/gdk-pixbuf
+
+# Used for dependencies. The docs will be rebuilt if any of these change.
+# e.g. HFILE_GLOB=$(top_srcdir)/gtk/*.h
+# e.g. CFILE_GLOB=$(top_srcdir)/gtk/*.c
+HFILE_GLOB=\
+	$(top_srcdir)/cogl/*.h \
+	$(top_builddir)/cogl/*.h
+CFILE_GLOB=$(top_srcdir)/cogl/*.c
+
+# Header files to ignore when scanning.
+# e.g. IGNORE_HFILES=gtkdebug.h gtkintl.h
+IGNORE_HFILES=\
+	cogl-atlas.h				\
+	cogl-atlas-texture-private.h		\
+	cogl-bitmap-private.h			\
+	cogl-buffer-private.h			\
+	cogl-color-private.h			\
+	cogl-feature-private.h			\
+	cogl-framebuffer-private.h		\
+	cogl-onscreen-private.h			\
+	cogl-gtype-private.h			\
+	cogl-index-buffer-private.h		\
+	cogl-indices-private.h			\
+	cogl-journal-private.h			\
+	cogl-matrix-private.h			\
+	cogl-object-private.h			\
+	cogl-path-private.h			\
+	cogl-depth-state-private.h		\
+	cogl-pipeline-fragend-arbfp-private.h	\
+	cogl-pipeline-fragend-fixed-private.h	\
+	cogl-pipeline-fragend-glsl-private.h	\
+	cogl-pipeline-opengl-private.h		\
+	cogl-pipeline-private.h			\
+	cogl-pipeline-state-private.h		\
+	cogl-pipeline-layer-state-private.h	\
+	cogl-pipeline-progend-glsl-private.h	\
+	cogl-pipeline-vertend-fixed-private.h	\
+	cogl-pipeline-vertend-glsl-private.h	\
+	cogl-pixel-buffer-private.h		\
+	cogl-primitive-private.h		\
+	cogl-primitives-private.h		\
+	cogl-private.h				\
+	cogl-program-private.h			\
+	cogl-shader-private.h			\
+	cogl-sub-texture-private.h		\
+	cogl-texture-2d-private.h		\
+	cogl-texture-2d-sliced-private.h	\
+	cogl-texture-3d-private.h		\
+	cogl-texture-private.h			\
+	cogl-texture-rectangle-private.h	\
+	cogl-vertex-array-private.h		\
+	cogl-vertex-attribute-private.h		\
+	cogl-vertex-buffer-private.h		\
+	cogl-blend-string.h 			\
+	cogl-clip-stack.h 			\
+	cogl-debug.h 				\
+	cogl-defines.h 				\
+	cogl-deprecated.h 			\
+	cogl-internal.h 			\
+	cogl-matrix-mesa.h 			\
+	cogl-matrix-stack.h 			\
+	cogl-spans.h 				\
+	cogl-profile.h				\
+	cogl-util.h 				\
+	driver 					\
+	tesselator				\
+	winsys
+
+EXTRA_HFILES=
+
+# Images to copy into HTML directory.
+# e.g. HTML_IMAGES=$(top_srcdir)/gtk/stock-icons/stock_about_24.png
+HTML_IMAGES = \
+	fill-rule-non-zero.png \
+	fill-rule-even-odd.png \
+	quad-indices-order.png \
+	quad-indices-triangles.png \
+	cogl_ortho.png
+
+# Extra SGML files that are included by $(DOC_MAIN_SGML_FILE).
+# e.g. content_files=running.sgml building.sgml changes-2.0.sgml
+content_files = \
+	blend-strings.xml
+
+# SGML files where gtk-doc abbrevations (#GtkWidget) are expanded
+# These files must be listed here *and* in content_files
+# e.g. expand_content_files=running.sgml
+expand_content_files = \
+	blend-strings.xml
+
+# CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library.
+# Only needed if you are using gtkdoc-scangobj to dynamically query widget
+# signals and properties.
+# e.g. INCLUDES=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS)
+# e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
+
+INCLUDES=-I$(top_srcdir) -I$(top_builddir)/cogl -DCOGL_ENABLE_EXPERIMENTAL_API $(COGL_DEP_CFLAGS)
+GTKDOC_LIBS=$(top_builddir)/cogl/libcogl.la $(COGL_DEP_LIBS)
+
+# This includes the standard gtk-doc make rules, copied by gtkdocize.
+if BUILD_GTK_DOC
+include $(top_srcdir)/gtk-doc.make
+else
+EXTRA_DIST =
+endif
+
+# Other files to distribute
+# e.g. EXTRA_DIST += version.xml.in
+
+EXTRA_DIST += $(HTML_IMAGES) $(content_files)
diff --git a/doc/reference/cogl/Makefile.in b/doc/reference/cogl/Makefile.in
new file mode 100644
index 0000000..afe1539
--- /dev/null
+++ b/doc/reference/cogl/Makefile.in
@@ -0,0 +1,988 @@
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+# @configure_input@
+
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# -*- mode: makefile -*-
+
+####################################
+# Everything below here is generic #
+####################################
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+am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)'
+am__make_running_with_option = \
+  case $${target_option-} in \
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+  sane_makeflags=$$MAKEFLAGS; \
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+    test $$skip_next = yes && { skip_next=no; continue; }; \
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+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
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+top_srcdir = @top_srcdir@
+
+# We require automake 1.6 at least.
+AUTOMAKE_OPTIONS = 1.6
+
+# This is a blank Makefile.am for using gtk-doc.
+# Copy this to your project's API docs directory and modify the variables to
+# suit your project. See the GTK+ Makefiles in gtk+/docs/reference for examples
+# of using the various options.
+
+# The name of the module, e.g. 'glib'.
+DOC_MODULE = cogl
+
+# The top-level SGML file. You can change this if you want to.
+DOC_MAIN_SGML_FILE = $(DOC_MODULE)-docs.xml
+
+# The directory containing the source code. Relative to $(srcdir).
+# gtk-doc will search all .c & .h files beneath here for inline comments
+# documenting the functions and macros.
+# e.g. DOC_SOURCE_DIR=../../../gtk
+DOC_SOURCE_DIR = ../../../cogl
+
+# Extra options to pass to gtkdoc-scangobj. Not normally needed.
+SCANGOBJ_OPTIONS = --type-init-func="g_type_init()"
+
+# Extra options to supply to gtkdoc-scan.
+# e.g. SCAN_OPTIONS=--deprecated-guards="GTK_DISABLE_DEPRECATED"
+SCAN_OPTIONS = --deprecated-guards="COGL_DISABLE_DEPRECATED"
+
+# Extra options to supply to gtkdoc-mkdb.
+# e.g. MKDB_OPTIONS=--sgml-mode --output-format=xml
+MKDB_OPTIONS = --sgml-mode --output-format=xml --name-space=cogl
+
+# Extra options to supply to gtkdoc-mktmpl
+# e.g. MKTMPL_OPTIONS=--only-section-tmpl
+MKTMPL_OPTIONS = 
+
+# Extra options to supply to gtkdoc-fixref. Not normally needed.
+# e.g. FIXXREF_OPTIONS=--extra-dir=../gdk-pixbuf/html --extra-dir=../gdk/html
+FIXXREF_OPTIONS = \
+	--extra-dir=$(GLIB_PREFIX)/share/gtk-doc/html/glib \
+	--extra-dir=$(GDPIXBUF_PREFIX)/share/gtk-doc/html/gdk-pixbuf
+
+
+# Used for dependencies. The docs will be rebuilt if any of these change.
+# e.g. HFILE_GLOB=$(top_srcdir)/gtk/*.h
+# e.g. CFILE_GLOB=$(top_srcdir)/gtk/*.c
+HFILE_GLOB = \
+	$(top_srcdir)/cogl/*.h \
+	$(top_builddir)/cogl/*.h
+
+CFILE_GLOB = $(top_srcdir)/cogl/*.c
+
+# Header files to ignore when scanning.
+# e.g. IGNORE_HFILES=gtkdebug.h gtkintl.h
+IGNORE_HFILES = \
+	cogl-atlas.h				\
+	cogl-atlas-texture-private.h		\
+	cogl-bitmap-private.h			\
+	cogl-buffer-private.h			\
+	cogl-color-private.h			\
+	cogl-feature-private.h			\
+	cogl-framebuffer-private.h		\
+	cogl-onscreen-private.h			\
+	cogl-gtype-private.h			\
+	cogl-index-buffer-private.h		\
+	cogl-indices-private.h			\
+	cogl-journal-private.h			\
+	cogl-matrix-private.h			\
+	cogl-object-private.h			\
+	cogl-path-private.h			\
+	cogl-depth-state-private.h		\
+	cogl-pipeline-fragend-arbfp-private.h	\
+	cogl-pipeline-fragend-fixed-private.h	\
+	cogl-pipeline-fragend-glsl-private.h	\
+	cogl-pipeline-opengl-private.h		\
+	cogl-pipeline-private.h			\
+	cogl-pipeline-state-private.h		\
+	cogl-pipeline-layer-state-private.h	\
+	cogl-pipeline-progend-glsl-private.h	\
+	cogl-pipeline-vertend-fixed-private.h	\
+	cogl-pipeline-vertend-glsl-private.h	\
+	cogl-pixel-buffer-private.h		\
+	cogl-primitive-private.h		\
+	cogl-primitives-private.h		\
+	cogl-private.h				\
+	cogl-program-private.h			\
+	cogl-shader-private.h			\
+	cogl-sub-texture-private.h		\
+	cogl-texture-2d-private.h		\
+	cogl-texture-2d-sliced-private.h	\
+	cogl-texture-3d-private.h		\
+	cogl-texture-private.h			\
+	cogl-texture-rectangle-private.h	\
+	cogl-vertex-array-private.h		\
+	cogl-vertex-attribute-private.h		\
+	cogl-vertex-buffer-private.h		\
+	cogl-blend-string.h 			\
+	cogl-clip-stack.h 			\
+	cogl-debug.h 				\
+	cogl-defines.h 				\
+	cogl-deprecated.h 			\
+	cogl-internal.h 			\
+	cogl-matrix-mesa.h 			\
+	cogl-matrix-stack.h 			\
+	cogl-spans.h 				\
+	cogl-profile.h				\
+	cogl-util.h 				\
+	driver 					\
+	tesselator				\
+	winsys
+
+EXTRA_HFILES = 
+
+# Images to copy into HTML directory.
+# e.g. HTML_IMAGES=$(top_srcdir)/gtk/stock-icons/stock_about_24.png
+HTML_IMAGES = \
+	fill-rule-non-zero.png \
+	fill-rule-even-odd.png \
+	quad-indices-order.png \
+	quad-indices-triangles.png \
+	cogl_ortho.png
+
+
+# Extra SGML files that are included by $(DOC_MAIN_SGML_FILE).
+# e.g. content_files=running.sgml building.sgml changes-2.0.sgml
+content_files = \
+	blend-strings.xml
+
+
+# SGML files where gtk-doc abbrevations (#GtkWidget) are expanded
+# These files must be listed here *and* in content_files
+# e.g. expand_content_files=running.sgml
+expand_content_files = \
+	blend-strings.xml
+
+
+# CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library.
+# Only needed if you are using gtkdoc-scangobj to dynamically query widget
+# signals and properties.
+# e.g. INCLUDES=-I$(top_srcdir) -I$(top_builddir) $(GTK_DEBUG_FLAGS)
+# e.g. GTKDOC_LIBS=$(top_builddir)/gtk/$(gtktargetlib)
+INCLUDES = -I$(top_srcdir) -I$(top_builddir)/cogl -DCOGL_ENABLE_EXPERIMENTAL_API $(COGL_DEP_CFLAGS)
+GTKDOC_LIBS = $(top_builddir)/cogl/libcogl.la $(COGL_DEP_LIBS)
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_FALSE@GTKDOC_CC = $(CC) $(INCLUDES) $(GTKDOC_DEPS_CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_TRUE@GTKDOC_CC = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(INCLUDES) $(GTKDOC_DEPS_CFLAGS) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_FALSE@GTKDOC_LD = $(CC) $(GTKDOC_DEPS_LIBS) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS)
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_TRUE@GTKDOC_LD = $(LIBTOOL) --tag=CC --mode=link $(CC) $(GTKDOC_DEPS_LIBS) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS)
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_FALSE@GTKDOC_RUN = 
+@BUILD_GTK_DOC_TRUE@@GTK_DOC_USE_LIBTOOL_TRUE@GTKDOC_RUN = $(LIBTOOL) --mode=execute
+
+# We set GPATH here; this gives us semantics for GNU make
+# which are more like other make's VPATH, when it comes to
+# whether a source that is a target of one rule is then
+# searched for in VPATH/GPATH.
+#
+@BUILD_GTK_DOC_TRUE@GPATH = $(srcdir)
+@BUILD_GTK_DOC_TRUE@TARGET_DIR = $(HTML_DIR)/$(DOC_MODULE)
+@BUILD_GTK_DOC_TRUE@SETUP_FILES = \
+@BUILD_GTK_DOC_TRUE@	$(content_files)		\
+@BUILD_GTK_DOC_TRUE@	$(DOC_MAIN_SGML_FILE)		\
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-sections.txt	\
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-overrides.txt
+
+
+# This includes the standard gtk-doc make rules, copied by gtkdocize.
+
+# Other files to distribute
+# e.g. EXTRA_DIST += version.xml.in
+@BUILD_GTK_DOC_FALSE@EXTRA_DIST = $(HTML_IMAGES) $(content_files)
+
+# Other files to distribute
+# e.g. EXTRA_DIST += version.xml.in
+@BUILD_GTK_DOC_TRUE@EXTRA_DIST = $(HTML_IMAGES) $(SETUP_FILES) \
+@BUILD_GTK_DOC_TRUE@	$(HTML_IMAGES) $(content_files)
+@BUILD_GTK_DOC_TRUE@DOC_STAMPS = setup-build.stamp scan-build.stamp sgml-build.stamp \
+@BUILD_GTK_DOC_TRUE@	html-build.stamp pdf-build.stamp \
+@BUILD_GTK_DOC_TRUE@	sgml.stamp html.stamp pdf.stamp
+
+@BUILD_GTK_DOC_TRUE@SCANOBJ_FILES = \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).args 	 \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).hierarchy  \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).interfaces \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).prerequisites \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE).signals
+
+@BUILD_GTK_DOC_TRUE@REPORT_FILES = \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-undocumented.txt \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-undeclared.txt \
+@BUILD_GTK_DOC_TRUE@	$(DOC_MODULE)-unused.txt
+
+@BUILD_GTK_DOC_TRUE@CLEANFILES = $(SCANOBJ_FILES) $(REPORT_FILES) $(DOC_STAMPS)
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_HTML_FALSE@HTML_BUILD_STAMP = 
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_HTML_TRUE@HTML_BUILD_STAMP = html-build.stamp
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_PDF_FALSE@PDF_BUILD_STAMP = 
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@@GTK_DOC_BUILD_PDF_TRUE@PDF_BUILD_STAMP = pdf-build.stamp
+
+#### setup ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SETUP = $(GTK_DOC_V_SETUP_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SETUP_ = $(GTK_DOC_V_SETUP_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SETUP_0 = @echo "  DOC   Preparing build";
+
+#### scan ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SCAN = $(GTK_DOC_V_SCAN_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SCAN_ = $(GTK_DOC_V_SCAN_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_SCAN_0 = @echo "  DOC   Scanning header files";
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_INTROSPECT = $(GTK_DOC_V_INTROSPECT_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_INTROSPECT_ = $(GTK_DOC_V_INTROSPECT_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_INTROSPECT_0 = @echo "  DOC   Introspecting gobjects";
+
+#### xml ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XML = $(GTK_DOC_V_XML_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XML_ = $(GTK_DOC_V_XML_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XML_0 = @echo "  DOC   Building XML";
+
+#### html ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_HTML = $(GTK_DOC_V_HTML_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_HTML_ = $(GTK_DOC_V_HTML_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_HTML_0 = @echo "  DOC   Building HTML";
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XREF = $(GTK_DOC_V_XREF_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XREF_ = $(GTK_DOC_V_XREF_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_XREF_0 = @echo "  DOC   Fixing cross-references";
+
+#### pdf ####
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_PDF = $(GTK_DOC_V_PDF_$(V))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_PDF_ = $(GTK_DOC_V_PDF_$(AM_DEFAULT_VERBOSITY))
+@BUILD_GTK_DOC_TRUE@GTK_DOC_V_PDF_0 = @echo "  DOC   Building PDF";
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(top_srcdir)/gtk-doc.make $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign doc/reference/cogl/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign doc/reference/cogl/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+$(top_srcdir)/gtk-doc.make:
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+cogl-docs.xml: $(top_builddir)/config.status $(srcdir)/cogl-docs.xml.in
+	cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
+@BUILD_GTK_DOC_FALSE@dist-hook:
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	$(MAKE) $(AM_MAKEFLAGS) \
+	  top_distdir="$(top_distdir)" distdir="$(distdir)" \
+	  dist-hook
+check-am: all-am
+check: check-am
+@BUILD_GTK_DOC_FALSE@all-local:
+all-am: Makefile all-local
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+@BUILD_GTK_DOC_FALSE@install-data-local:
+@BUILD_GTK_DOC_FALSE@maintainer-clean-local:
+@BUILD_GTK_DOC_FALSE@clean-local:
+@BUILD_GTK_DOC_FALSE@distclean-local:
+@BUILD_GTK_DOC_FALSE@uninstall-local:
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-local mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-local
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-data-local
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic \
+	maintainer-clean-local
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-local
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am all-local check check-am clean clean-generic \
+	clean-libtool clean-local cscopelist-am ctags-am dist-hook \
+	distclean distclean-generic distclean-libtool distclean-local \
+	distdir dvi dvi-am html html-am info info-am install \
+	install-am install-data install-data-am install-data-local \
+	install-dvi install-dvi-am install-exec install-exec-am \
+	install-html install-html-am install-info install-info-am \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	maintainer-clean-local mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \
+	uninstall-am uninstall-local
+
+
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@all-local: $(HTML_BUILD_STAMP) $(PDF_BUILD_STAMP)
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@all-local:
+
+@BUILD_GTK_DOC_TRUE@docs: $(HTML_BUILD_STAMP) $(PDF_BUILD_STAMP)
+
+@BUILD_GTK_DOC_TRUE@$(REPORT_FILES): sgml-build.stamp
+
+@BUILD_GTK_DOC_TRUE@setup-build.stamp:
+@BUILD_GTK_DOC_TRUE@	-$(GTK_DOC_V_SETUP)if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \
+@BUILD_GTK_DOC_TRUE@	    files=`echo $(SETUP_FILES) $(expand_content_files) $(DOC_MODULE).types`; \
+@BUILD_GTK_DOC_TRUE@	    if test "x$$files" != "x" ; then \
+@BUILD_GTK_DOC_TRUE@	        for file in $$files ; do \
+@BUILD_GTK_DOC_TRUE@	            test -f $(abs_srcdir)/$$file && \
+@BUILD_GTK_DOC_TRUE@	                cp -pu $(abs_srcdir)/$$file $(abs_builddir)/$$file || true; \
+@BUILD_GTK_DOC_TRUE@	        done; \
+@BUILD_GTK_DOC_TRUE@	    fi; \
+@BUILD_GTK_DOC_TRUE@	fi
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch setup-build.stamp
+
+@BUILD_GTK_DOC_TRUE@scan-build.stamp: $(HFILE_GLOB) $(CFILE_GLOB)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_SCAN)_source_dir='' ; \
+@BUILD_GTK_DOC_TRUE@	for i in $(DOC_SOURCE_DIR) ; do \
+@BUILD_GTK_DOC_TRUE@	    _source_dir="$${_source_dir} --source-dir=$$i" ; \
+@BUILD_GTK_DOC_TRUE@	done ; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-scan --module=$(DOC_MODULE) --ignore-headers="$(IGNORE_HFILES)" $${_source_dir} $(SCAN_OPTIONS) $(EXTRA_HFILES)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_INTROSPECT)if grep -l '^..*$$' $(DOC_MODULE).types > /dev/null 2>&1 ; then \
+@BUILD_GTK_DOC_TRUE@	    scanobj_options=""; \
+@BUILD_GTK_DOC_TRUE@	    gtkdoc-scangobj 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
+@BUILD_GTK_DOC_TRUE@	    if test "$(?)" = "0"; then \
+@BUILD_GTK_DOC_TRUE@	        if test "x$(V)" = "x1"; then \
+@BUILD_GTK_DOC_TRUE@	            scanobj_options="--verbose"; \
+@BUILD_GTK_DOC_TRUE@	        fi; \
+@BUILD_GTK_DOC_TRUE@	    fi; \
+@BUILD_GTK_DOC_TRUE@	    CC="$(GTKDOC_CC)" LD="$(GTKDOC_LD)" RUN="$(GTKDOC_RUN)" CFLAGS="$(GTKDOC_CFLAGS) $(CFLAGS)" LDFLAGS="$(GTKDOC_LIBS) $(LDFLAGS)" \
+@BUILD_GTK_DOC_TRUE@	    gtkdoc-scangobj $(SCANGOBJ_OPTIONS) $$scanobj_options --module=$(DOC_MODULE); \
+@BUILD_GTK_DOC_TRUE@	else \
+@BUILD_GTK_DOC_TRUE@	    for i in $(SCANOBJ_FILES) ; do \
+@BUILD_GTK_DOC_TRUE@	        test -f $$i || touch $$i ; \
+@BUILD_GTK_DOC_TRUE@	    done \
+@BUILD_GTK_DOC_TRUE@	fi
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch scan-build.stamp
+
+@BUILD_GTK_DOC_TRUE@$(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections.txt $(DOC_MODULE)-overrides.txt: scan-build.stamp
+@BUILD_GTK_DOC_TRUE@	@true
+
+@BUILD_GTK_DOC_TRUE@sgml-build.stamp: setup-build.stamp $(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections.txt $(DOC_MODULE)-overrides.txt $(expand_content_files)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_XML)_source_dir='' ; \
+@BUILD_GTK_DOC_TRUE@	for i in $(DOC_SOURCE_DIR) ; do \
+@BUILD_GTK_DOC_TRUE@	    _source_dir="$${_source_dir} --source-dir=$$i" ; \
+@BUILD_GTK_DOC_TRUE@	done ; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkdb --module=$(DOC_MODULE) --output-format=xml --expand-content-files="$(expand_content_files)" --main-sgml-file=$(DOC_MAIN_SGML_FILE) $${_source_dir} $(MKDB_OPTIONS)
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch sgml-build.stamp
+
+@BUILD_GTK_DOC_TRUE@sgml.stamp: sgml-build.stamp
+@BUILD_GTK_DOC_TRUE@	@true
+
+@BUILD_GTK_DOC_TRUE@html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_HTML)rm -rf html && mkdir html && \
+@BUILD_GTK_DOC_TRUE@	mkhtml_options=""; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
+@BUILD_GTK_DOC_TRUE@	if test "$(?)" = "0"; then \
+@BUILD_GTK_DOC_TRUE@	  if test "x$(V)" = "x1"; then \
+@BUILD_GTK_DOC_TRUE@	    mkhtml_options="$$mkhtml_options --verbose"; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-path"; \
+@BUILD_GTK_DOC_TRUE@	if test "$(?)" = "0"; then \
+@BUILD_GTK_DOC_TRUE@	  mkhtml_options="$$mkhtml_options --path=\"$(abs_srcdir)\""; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	cd html && gtkdoc-mkhtml $$mkhtml_options $(MKHTML_OPTIONS) $(DOC_MODULE) ../$(DOC_MAIN_SGML_FILE)
+@BUILD_GTK_DOC_TRUE@	-@test "x$(HTML_IMAGES)" = "x" || \
+@BUILD_GTK_DOC_TRUE@	for file in $(HTML_IMAGES) ; do \
+@BUILD_GTK_DOC_TRUE@	  if test -f $(abs_srcdir)/$$file ; then \
+@BUILD_GTK_DOC_TRUE@	    cp $(abs_srcdir)/$$file $(abs_builddir)/html; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	  if test -f $(abs_builddir)/$$file ; then \
+@BUILD_GTK_DOC_TRUE@	    cp $(abs_builddir)/$$file $(abs_builddir)/html; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	done;
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_XREF)gtkdoc-fixxref --module=$(DOC_MODULE) --module-dir=html --html-dir=$(HTML_DIR) $(FIXXREF_OPTIONS)
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch html-build.stamp
+
+@BUILD_GTK_DOC_TRUE@pdf-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
+@BUILD_GTK_DOC_TRUE@	$(GTK_DOC_V_PDF)rm -f $(DOC_MODULE).pdf && \
+@BUILD_GTK_DOC_TRUE@	mkpdf_options=""; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkpdf 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
+@BUILD_GTK_DOC_TRUE@	if test "$(?)" = "0"; then \
+@BUILD_GTK_DOC_TRUE@	  if test "x$(V)" = "x1"; then \
+@BUILD_GTK_DOC_TRUE@	    mkpdf_options="$$mkpdf_options --verbose"; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	if test "x$(HTML_IMAGES)" != "x"; then \
+@BUILD_GTK_DOC_TRUE@	  for img in $(HTML_IMAGES); do \
+@BUILD_GTK_DOC_TRUE@	    part=`dirname $$img`; \
+@BUILD_GTK_DOC_TRUE@	    echo $$mkpdf_options | grep >/dev/null "\-\-imgdir=$$part "; \
+@BUILD_GTK_DOC_TRUE@	    if test $$? != 0; then \
+@BUILD_GTK_DOC_TRUE@	      mkpdf_options="$$mkpdf_options --imgdir=$$part"; \
+@BUILD_GTK_DOC_TRUE@	    fi; \
+@BUILD_GTK_DOC_TRUE@	  done; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	gtkdoc-mkpdf --path="$(abs_srcdir)" $$mkpdf_options $(DOC_MODULE) $(DOC_MAIN_SGML_FILE) $(MKPDF_OPTIONS)
+@BUILD_GTK_DOC_TRUE@	$(AM_V_at)touch pdf-build.stamp
+
+##############
+
+@BUILD_GTK_DOC_TRUE@clean-local:
+@BUILD_GTK_DOC_TRUE@	@rm -f *~ *.bak
+@BUILD_GTK_DOC_TRUE@	@rm -rf .libs
+
+@BUILD_GTK_DOC_TRUE@distclean-local:
+@BUILD_GTK_DOC_TRUE@	@rm -rf xml html $(REPORT_FILES) $(DOC_MODULE).pdf \
+@BUILD_GTK_DOC_TRUE@	    $(DOC_MODULE)-decl-list.txt $(DOC_MODULE)-decl.txt
+@BUILD_GTK_DOC_TRUE@	@if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \
+@BUILD_GTK_DOC_TRUE@	    rm -f $(SETUP_FILES) $(expand_content_files) $(DOC_MODULE).types; \
+@BUILD_GTK_DOC_TRUE@	fi
+
+@BUILD_GTK_DOC_TRUE@maintainer-clean-local:
+@BUILD_GTK_DOC_TRUE@	@rm -rf xml html
+
+@BUILD_GTK_DOC_TRUE@install-data-local:
+@BUILD_GTK_DOC_TRUE@	@installfiles=`echo $(builddir)/html/*`; \
+@BUILD_GTK_DOC_TRUE@	if test "$$installfiles" = '$(builddir)/html/*'; \
+@BUILD_GTK_DOC_TRUE@	then echo 1>&2 'Nothing to install' ; \
+@BUILD_GTK_DOC_TRUE@	else \
+@BUILD_GTK_DOC_TRUE@	  if test -n "$(DOC_MODULE_VERSION)"; then \
+@BUILD_GTK_DOC_TRUE@	    installdir="$(DESTDIR)$(TARGET_DIR)-$(DOC_MODULE_VERSION)"; \
+@BUILD_GTK_DOC_TRUE@	  else \
+@BUILD_GTK_DOC_TRUE@	    installdir="$(DESTDIR)$(TARGET_DIR)"; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	  $(mkinstalldirs) $${installdir} ; \
+@BUILD_GTK_DOC_TRUE@	  for i in $$installfiles; do \
+@BUILD_GTK_DOC_TRUE@	    echo ' $(INSTALL_DATA) '$$i ; \
+@BUILD_GTK_DOC_TRUE@	    $(INSTALL_DATA) $$i $${installdir}; \
+@BUILD_GTK_DOC_TRUE@	  done; \
+@BUILD_GTK_DOC_TRUE@	  if test -n "$(DOC_MODULE_VERSION)"; then \
+@BUILD_GTK_DOC_TRUE@	    mv -f $${installdir}/$(DOC_MODULE).devhelp2 \
+@BUILD_GTK_DOC_TRUE@	      $${installdir}/$(DOC_MODULE)-$(DOC_MODULE_VERSION).devhelp2; \
+@BUILD_GTK_DOC_TRUE@	  fi; \
+@BUILD_GTK_DOC_TRUE@	  $(GTKDOC_REBASE) --relative --dest-dir=$(DESTDIR) --html-dir=$${installdir}; \
+@BUILD_GTK_DOC_TRUE@	fi
+
+@BUILD_GTK_DOC_TRUE@uninstall-local:
+@BUILD_GTK_DOC_TRUE@	@if test -n "$(DOC_MODULE_VERSION)"; then \
+@BUILD_GTK_DOC_TRUE@	  installdir="$(DESTDIR)$(TARGET_DIR)-$(DOC_MODULE_VERSION)"; \
+@BUILD_GTK_DOC_TRUE@	else \
+@BUILD_GTK_DOC_TRUE@	  installdir="$(DESTDIR)$(TARGET_DIR)"; \
+@BUILD_GTK_DOC_TRUE@	fi; \
+@BUILD_GTK_DOC_TRUE@	rm -rf $${installdir}
+
+#
+# Require gtk-doc when making dist
+#
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_TRUE@dist-check-gtkdoc: docs
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@dist-check-gtkdoc:
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@	@echo "*** gtk-doc must be installed and enabled in order to make dist"
+@BUILD_GTK_DOC_TRUE@@ENABLE_GTK_DOC_FALSE@	@false
+
+@BUILD_GTK_DOC_TRUE@dist-hook: dist-check-gtkdoc dist-hook-local
+@BUILD_GTK_DOC_TRUE@	@mkdir $(distdir)/html
+@BUILD_GTK_DOC_TRUE@	@cp ./html/* $(distdir)/html
+@BUILD_GTK_DOC_TRUE@	@-cp ./$(DOC_MODULE).pdf $(distdir)/
+@BUILD_GTK_DOC_TRUE@	@-cp ./$(DOC_MODULE).types $(distdir)/
+@BUILD_GTK_DOC_TRUE@	@-cp ./$(DOC_MODULE)-sections.txt $(distdir)/
+@BUILD_GTK_DOC_TRUE@	@cd $(distdir) && rm -f $(DISTCLEANFILES)
+@BUILD_GTK_DOC_TRUE@	@$(GTKDOC_REBASE) --online --relative --html-dir=$(distdir)/html
+
+@BUILD_GTK_DOC_TRUE@.PHONY : dist-hook-local docs
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/doc/reference/cogl/blend-strings.xml b/doc/reference/cogl/blend-strings.xml
new file mode 100644
index 0000000..0b37757
--- /dev/null
+++ b/doc/reference/cogl/blend-strings.xml
@@ -0,0 +1,129 @@
+
+
+]>
+
+
+
+Material Blend Strings
+3
+COGL Library
+
+
+
+Material Blend Strings
+A simple syntax and grammar for describing blending and texture
+combining functions.
+
+
+
+Cogl Blend Strings
+
+Describing GPU blending and texture combining states is rather awkward to do
+in a consise but also readable fashion. Cogl helps by supporting
+string based descriptions using a simple syntax.
+
+
+

+Some examples
+
+Here is an example used for blending:
+
+"RGBA = ADD (SRC_COLOR * (SRC_COLOR[A]), DST_COLOR * (1-SRC_COLOR[A]))"
+
+In OpenGL terms this replaces glBlendFunc[Separate] and
+glBlendEquation[Separate]
+
+Actually in this case it's more verbose than the GL equivalent:
+
+
+glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+
+But unless you are familiar with OpenGL or refer to its API documentation
+you wouldn't know that the default function used by OpenGL is GL_FUNC_ADD
+nor would you know that the above arguments determine what the source color
+and destination color will be multiplied by before being adding.
+
+
+Here is an example used for texture combining:
+
+"RGB = REPLACE (PREVIOUS)"
+"A = MODULATE (PREVIOUS, TEXTURE)"
+
+
+In OpenGL terms this replaces glTexEnv, and the above example is equivalent
+to this OpenGL code:
+
+
+  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS);
+  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
+  glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PREVIOUS);
+  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_COLOR);
+  glTexEnvi (GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_TEXTURE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_COLOR);
+
+
+

+
+

+Here's the syntax
+
+
+<statement>:
+  <channel-mask>=<function-name>(<arg-list>)
+
+  You can either use a single statement with an RGBA channel-mask or you can use
+  two statements; one with an A channel-mask and the other with an RGB
+  channel-mask.
+
+<channel-mask>:
+  A or RGB or RGBA
+
+<function-name>:
+  [A-Za-z_]*
+
+<arg-list>:
+  <arg>,<arg>
+  or <arg>
+  or ""
+
+  I.e. functions may take 0 or more arguments
+
+<arg>:
+  <color-source>
+  1 - <color-source>                : Only intended for texture combining
+  <color-source> * ( <factor> )     : Only intended for blending
+  0                                 : Only intended for blending
+
+  See the blending or texture combining sections for further notes and examples.
+
+<color-source>:
+  <source-name>[<channel-mask>]
+  <source-name>
+
+  See the blending or texture combining sections for the list of source-names
+  valid in each context.
+
+  If a channel mask is not given then the channel mask of the statement
+  is assumed instead.
+
+<factor>:
+  0
+  1
+  <color-source>
+  1-<color-source>
+  SRC_ALPHA_SATURATE
+
+
+

+
+
+
+
+
+
diff --git a/doc/reference/cogl/cogl-docs.xml b/doc/reference/cogl/cogl-docs.xml
new file mode 100644
index 0000000..4da687d
--- /dev/null
+++ b/doc/reference/cogl/cogl-docs.xml
@@ -0,0 +1,212 @@
+
+
+]>
+
+
+  
+    Cogl Reference Manual
+    for Cogl &version;
+
+    
+      2008
+      OpenedHand LTD
+    
+
+    
+      2009
+      2010
+      Intel Corporation
+    
+
+    
+      
+        Permission is granted to copy, distribute and/or modify this
+        document under the terms of the GNU Free
+        Documentation License, Version 1.1 or any later
+        version published by the Free Software Foundation with no
+        Invariant Sections, no Front-Cover Texts, and no Back-Cover
+        Texts. You may obtain a copy of the GNU Free
+        Documentation License from the Free Software
+        Foundation by visiting their Web site or by writing
+        to:
+
+        

+          The Free Software Foundation, Inc.,
+          59 Temple Place - Suite 330,
+          Boston, MA 02111-1307,
+          USA
+        

+      
+    
+
+  
+
+  
+    Cogl - a modern 3D graphics API
+
+    

+      About Cogl
+
+      Cogl is a modern 3D graphics API with associated utility
+      APIs designed to expose the features of 3D graphics hardware
+      using a more object oriented design than OpenGL. The library has
+      primarily been driven by the practical needs of Clutter but it
+      is not tied to any one toolkit or even constrained to developing
+      UI toolkits.
+
+    

+
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+
+  
+
+  
+    Cogl experimental API
+
+    

+      About the experimental API
+
+      Cogl has some experimental API developers are welcomed to play
+      with. The main drawback when using those is that there is no API
+      stability guarantee, functions flagged as experimental could be changed
+      or removed in future versions of the library. To use this experimental
+      API you will need to define
+      COGL_ENABLE_EXPERIMENTAL_API before including
+      <clutter/clutter.h> or
+      <cogl/cogl.h>.
+
+    

+
+    
+    
+    
+    
+
+  
+
+  
+    Cogl deprecated API
+
+    

+
+      About the deprecated API
+
+      Cogl has evolved from once being a thin abstraction over
+      OpenGL and GLES where a lot of OpenGL's state machine style APIs
+      were simply rebranded as Cogl API into the more distinguished API
+      style we have today. The result of this evolution though is that
+      some of the APIs are considered deprecated and because we plan to
+      remove them at the next opportunity we have to break the API
+      developers should aim to avoid these functions to keep their code
+      working with future major versions of Cogl.
+
+    

+
+    
+    
+    
+    
+    
+    
+    
+
+  
+
+  
+    Glossaries
+
+    
+  
+
+  
+    Index of all symbols
+    
+  
+
+  
+    Index of deprecated symbols
+    
+  
+
+  
+    Index of new symbols in 0.8
+    
+  
+
+  
+    Index of new symbols in 1.0
+    
+  
+
+  
+    Index of new symbols in 1.2
+    
+  
+
+  
+    Index of new symbols in 1.4
+    
+  
+
+  
+    Index of new symbols in 1.6
+    
+  
+
+  
+    Index of new symbols in 1.8
+    
+  
+
+  
+    License
+
+    
+      This library is free software; you can redistribute it and/or
+      modify it under the terms of the GNU Library General
+      Public License as published by the Free Software
+      Foundation; either version 2 of the License, or (at your option)
+      any later version.
+    
+
+    
+      This library is distributed in the hope that it will be useful,
+      but WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+      GNU Library General Public License for
+      more details.
+    
+
+    
+      You may obtain a copy of the GNU Library General
+      Public License from the Free Software Foundation by
+      visiting their Web
+      site or by writing to:
+
+      

+        Free Software Foundation, Inc.
+        59 Temple Place - Suite 330
+        Boston, MA 02111-1307
+        USA
+      

+    
+  
+
+
diff --git a/doc/reference/cogl/cogl-docs.xml.in b/doc/reference/cogl/cogl-docs.xml.in
new file mode 100644
index 0000000..3cd1cf4
--- /dev/null
+++ b/doc/reference/cogl/cogl-docs.xml.in
@@ -0,0 +1,212 @@
+
+
+]>
+
+
+  
+    Cogl Reference Manual
+    for Cogl &version;
+
+    
+      2008
+      OpenedHand LTD
+    
+
+    
+      2009
+      2010
+      Intel Corporation
+    
+
+    
+      
+        Permission is granted to copy, distribute and/or modify this
+        document under the terms of the GNU Free
+        Documentation License, Version 1.1 or any later
+        version published by the Free Software Foundation with no
+        Invariant Sections, no Front-Cover Texts, and no Back-Cover
+        Texts. You may obtain a copy of the GNU Free
+        Documentation License from the Free Software
+        Foundation by visiting their Web site or by writing
+        to:
+
+        

+          The Free Software Foundation, Inc.,
+          59 Temple Place - Suite 330,
+          Boston, MA 02111-1307,
+          USA
+        

+      
+    
+
+  
+
+  
+    Cogl - a modern 3D graphics API
+
+    

+      About Cogl
+
+      Cogl is a modern 3D graphics API with associated utility
+      APIs designed to expose the features of 3D graphics hardware
+      using a more object oriented design than OpenGL. The library has
+      primarily been driven by the practical needs of Clutter but it
+      is not tied to any one toolkit or even constrained to developing
+      UI toolkits.
+
+    

+
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+    
+
+  
+
+  
+    Cogl experimental API
+
+    

+      About the experimental API
+
+      Cogl has some experimental API developers are welcomed to play
+      with. The main drawback when using those is that there is no API
+      stability guarantee, functions flagged as experimental could be changed
+      or removed in future versions of the library. To use this experimental
+      API you will need to define
+      COGL_ENABLE_EXPERIMENTAL_API before including
+      <clutter/clutter.h> or
+      <cogl/cogl.h>.
+
+    

+
+    
+    
+    
+    
+
+  
+
+  
+    Cogl deprecated API
+
+    

+
+      About the deprecated API
+
+      Cogl has evolved from once being a thin abstraction over
+      OpenGL and GLES where a lot of OpenGL's state machine style APIs
+      were simply rebranded as Cogl API into the more distinguished API
+      style we have today. The result of this evolution though is that
+      some of the APIs are considered deprecated and because we plan to
+      remove them at the next opportunity we have to break the API
+      developers should aim to avoid these functions to keep their code
+      working with future major versions of Cogl.
+
+    

+
+    
+    
+    
+    
+    
+    
+    
+
+  
+
+  
+    Glossaries
+
+    
+  
+
+  
+    Index of all symbols
+    
+  
+
+  
+    Index of deprecated symbols
+    
+  
+
+  
+    Index of new symbols in 0.8
+    
+  
+
+  
+    Index of new symbols in 1.0
+    
+  
+
+  
+    Index of new symbols in 1.2
+    
+  
+
+  
+    Index of new symbols in 1.4
+    
+  
+
+  
+    Index of new symbols in 1.6
+    
+  
+
+  
+    Index of new symbols in 1.8
+    
+  
+
+  
+    License
+
+    
+      This library is free software; you can redistribute it and/or
+      modify it under the terms of the GNU Library General
+      Public License as published by the Free Software
+      Foundation; either version 2 of the License, or (at your option)
+      any later version.
+    
+
+    
+      This library is distributed in the hope that it will be useful,
+      but WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+      GNU Library General Public License for
+      more details.
+    
+
+    
+      You may obtain a copy of the GNU Library General
+      Public License from the Free Software Foundation by
+      visiting their Web
+      site or by writing to:
+
+      

+        Free Software Foundation, Inc.
+        59 Temple Place - Suite 330
+        Boston, MA 02111-1307
+        USA
+      

+    
+  
+
+
diff --git a/doc/reference/cogl/cogl-overrides.txt b/doc/reference/cogl/cogl-overrides.txt
new file mode 100644
index 0000000..e69de29
diff --git a/doc/reference/cogl/cogl-sections.txt b/doc/reference/cogl/cogl-sections.txt
new file mode 100644
index 0000000..af510ce
--- /dev/null
+++ b/doc/reference/cogl/cogl-sections.txt
@@ -0,0 +1,715 @@
+

+cogl
+General API
+CoglObject
+cogl_object_ref
+cogl_object_unref
+CoglUserDataKey
+cogl_object_get_user_data
+cogl_object_set_user_data
+COGL_INVALID_HANDLE
+CoglHandle
+cogl_handle_ref
+cogl_handle_unref
+
+
+CoglFuncPtr
+CoglPixelFormat
+CoglBufferTarget
+CoglBufferBit
+CoglAttributeType
+
+
+CoglFeatureFlags
+cogl_get_features
+cogl_features_available
+cogl_get_proc_address
+cogl_get_option_group
+
+
+cogl_push_matrix
+cogl_pop_matrix
+cogl_scale
+cogl_translate
+cogl_rotate
+cogl_transform
+cogl_frustum
+cogl_perspective
+cogl_ortho
+
+
+cogl_get_modelview_matrix
+cogl_set_modelview_matrix
+cogl_get_projection_matrix
+cogl_set_projection_matrix
+cogl_set_viewport
+cogl_get_viewport
+
+
+cogl_clear
+cogl_set_backface_culling_enabled
+cogl_get_backface_culling_enabled
+
+
+CoglFogMode
+cogl_set_fog
+cogl_disable_fog
+
+
+cogl_set_source
+cogl_set_source_color
+cogl_set_source_color4ub
+cogl_set_source_color4f
+cogl_set_source_texture
+cogl_get_source
+cogl_push_source
+cogl_pop_source
+
+
+CoglReadPixelsFlags
+cogl_read_pixels
+
+
+cogl_flush
+cogl_begin_gl
+cogl_end_gl
+
+
+COGL_TYPE_ATTRIBUTE_TYPE
+COGL_TYPE_BLEND_STRING_ERROR
+COGL_TYPE_BUFFER_ACCESS
+COGL_TYPE_BUFFER_BIT
+COGL_TYPE_BUFFER_TARGET
+COGL_TYPE_BUFFER_UPDATE_HINT
+COGL_TYPE_BUFFER_USAGE_HINT
+COGL_TYPE_DEBUG_FLAGS
+COGL_TYPE_DRIVER_ERROR
+COGL_TYPE_FEATURE_FLAGS
+COGL_TYPE_FIXED
+COGL_TYPE_FOG_MODE
+COGL_TYPE_HANDLE
+COGL_TYPE_INDICES_TYPE
+COGL_TYPE_MATERIAL_ALPHA_FUNC
+COGL_TYPE_MATERIAL_FILTER
+COGL_TYPE_MATERIAL_LAYER_TYPE
+COGL_TYPE_PIXEL_FORMAT
+COGL_TYPE_READ_PIXELS_FLAGS
+COGL_TYPE_SHADER_TYPE
+COGL_TYPE_TEXTURE_FLAGS
+COGL_TYPE_VERTICES_MODE
+
+
+COGL_DRIVER_ERROR
+CoglDriverError
+cogl_attribute_type_get_type
+cogl_buffer_bit_get_type
+cogl_buffer_target_get_type
+cogl_debug_flags_get_type
+cogl_driver_error_get_type
+cogl_feature_flags_get_type
+cogl_fixed_get_type
+cogl_fog_mode_get_type
+cogl_handle_get_type
+cogl_indices_type_get_type
+cogl_material_alpha_func_get_type
+cogl_material_filter_get_type
+cogl_material_layer_type_get_type
+cogl_pixel_format_get_type
+cogl_read_pixels_flags_get_type
+cogl_shader_type_get_type
+cogl_texture_flags_get_type
+cogl_vertices_mode_get_type
+COGL_AFIRST_BIT
+COGL_A_BIT
+COGL_BGR_BIT
+COGL_PREMULT_BIT
+

+
+

+cogl-clipping
+Clipping
+cogl_clip_push_rectangle
+cogl_clip_push_window_rectangle
+cogl_clip_push_from_path
+cogl_clip_push_from_path_preserve
+cogl_clip_pop
+

+
+

+cogl-primitives
+Primitives
+cogl_rectangle
+cogl_rectangles
+cogl_rectangle_with_texture_coords
+cogl_rectangles_with_texture_coords
+cogl_rectangle_with_multitexture_coords
+cogl_polygon
+

+
+

+cogl-paths
+Path Primitives
+cogl_is_path
+cogl_path_new
+cogl_get_path
+cogl_set_path
+cogl_path_copy
+cogl_path_move_to
+cogl_path_close
+cogl_path_line_to
+cogl_path_curve_to
+cogl_path_arc
+cogl_path_rel_move_to
+cogl_path_rel_line_to
+cogl_path_rel_curve_to
+cogl_path_line
+cogl_path_polyline
+cogl_path_polygon
+cogl_path_rectangle
+cogl_path_round_rectangle
+cogl_path_ellipse
+
+
+CoglPathFillRule
+cogl_path_set_fill_rule
+cogl_path_get_fill_rule
+cogl_path_fill
+cogl_path_fill_preserve
+cogl_path_stroke
+cogl_path_stroke_preserve
+

+
+

+cogl-bitmap
+Bitmaps
+CoglBitmap
+cogl_bitmap_new_from_file
+cogl_bitmap_get_size_from_file
+cogl_is_bitmap
+CoglBitmapError
+COGL_BITMAP_ERROR
+
+cogl_bitmap_error_get_type
+cogl_bitmap_error_quark
+

+
+

+cogl-texture
+Textures
+CoglTextureVertex
+CoglTextureFlags
+cogl_texture_new_with_size
+cogl_texture_new_from_file
+cogl_texture_new_from_data
+cogl_texture_new_from_foreign
+cogl_texture_new_from_bitmap
+cogl_texture_new_from_sub_texture
+cogl_is_texture
+
+
+cogl_texture_get_width
+cogl_texture_get_height
+cogl_texture_get_format
+cogl_texture_get_rowstride
+cogl_texture_get_max_waste
+cogl_texture_is_sliced
+cogl_texture_get_gl_texture
+cogl_texture_get_data
+cogl_texture_set_region
+
+
+COGL_TEXTURE_MAX_WASTE
+

+
+

+cogl-texture-2d
+2D textures
+CoglTexture2D
+cogl_is_texture_2d
+cogl_texture_2d_new_with_size
+cogl_texture_2d_new_from_data
+cogl_texture_2d_gl_new_from_foreign
+

+
+

+cogl-texture-3d
+3D textures
+cogl_texture_3d_new_with_size
+cogl_texture_3d_new_from_data
+cogl_is_texture_3d
+

+
+

+cogl-shaders
+Shaders and Programmable Pipeline
+CoglShaderType
+cogl_create_shader
+cogl_is_shader
+cogl_shader_source
+cogl_shader_compile
+cogl_shader_get_info_log
+cogl_shader_get_type
+cogl_shader_is_compiled
+
+
+cogl_create_program
+cogl_is_program
+cogl_program_attach_shader
+cogl_program_link
+cogl_program_get_uniform_location
+cogl_program_set_uniform_1f
+cogl_program_set_uniform_1i
+cogl_program_set_uniform_float
+cogl_program_set_uniform_int
+cogl_program_set_uniform_matrix
+

+
+

+cogl-offscreen
+Offscreen Buffers
+cogl_offscreen_new_with_texture
+cogl_offscreen_new_to_texture
+cogl_is_offscreen
+cogl_set_framebuffer
+cogl_push_framebuffer
+cogl_pop_framebuffer
+cogl_set_draw_buffer
+cogl_pop_draw_buffer
+cogl_push_draw_buffer
+

+
+

+cogl-fixed
+Fixed Point API
+CoglFixed
+COGL_FIXED_BITS
+COGL_FIXED_Q
+COGL_FIXED_MAX
+COGL_FIXED_MIN
+
+
+COGL_FIXED_FROM_FLOAT
+COGL_FIXED_TO_FLOAT
+COGL_FIXED_FROM_INT
+COGL_FIXED_TO_INT
+COGL_FIXED_FROM_DOUBLE
+COGL_FIXED_TO_DOUBLE
+COGL_FLOAT_TO_INT
+COGL_FLOAT_TO_UINT
+
+
+COGL_FIXED_EPSILON
+COGL_FIXED_1
+COGL_FIXED_0_5
+COGL_FIXED_30
+COGL_FIXED_45
+COGL_FIXED_60
+COGL_FIXED_90
+COGL_FIXED_120
+COGL_FIXED_180
+COGL_FIXED_240
+COGL_FIXED_255
+COGL_FIXED_270
+COGL_FIXED_360
+
+
+COGL_FIXED_MUL
+COGL_FIXED_DIV
+COGL_FIXED_MUL_DIV
+COGL_FIXED_FAST_DIV
+COGL_FIXED_FAST_MUL
+COGL_FIXED_FRACTION
+COGL_FIXED_FLOOR
+COGL_FIXED_CEIL
+
+
+COGL_FIXED_2_PI
+COGL_FIXED_PI
+COGL_FIXED_PI_2
+COGL_FIXED_PI_4
+COGL_RADIANS_TO_DEGREES
+
+
+COGL_SQRTI_ARG_10_PERCENT
+COGL_SQRTI_ARG_5_PERCENT
+COGL_SQRTI_ARG_MAX
+cogl_sqrti
+
+
+cogl_fixed_atan2
+cogl_fixed_atan
+cogl_fixed_cos
+cogl_fixed_log2
+cogl_fixed_pow
+cogl_fixed_pow2
+cogl_fixed_sin
+cogl_fixed_sqrt
+cogl_fixed_tan
+cogl_fixed_div
+cogl_fixed_mul
+cogl_fixed_mul_div
+
+
+CoglAngle
+COGL_ANGLE_FROM_DEG
+COGL_ANGLE_FROM_DEGX
+COGL_ANGLE_TO_DEG
+COGL_ANGLE_TO_DEGX
+cogl_angle_cos
+cogl_angle_sin
+cogl_angle_tan
+
+
+cogl_double_to_fixed
+cogl_double_to_int
+cogl_double_to_uint
+

+
+

+cogl-color
+Color Type
+CoglColor
+cogl_color_new
+cogl_color_copy
+cogl_color_free
+cogl_color_init_from_4f
+cogl_color_init_from_4fv
+cogl_color_init_from_4ub
+cogl_color_set_from_4ub
+cogl_color_set_from_4f
+
+
+cogl_color_get_red
+cogl_color_get_green
+cogl_color_get_blue
+cogl_color_get_alpha
+
+
+cogl_color_get_red_byte
+cogl_color_get_green_byte
+cogl_color_get_blue_byte
+cogl_color_get_alpha_byte
+
+
+cogl_color_get_red_float
+cogl_color_get_green_float
+cogl_color_get_blue_float
+cogl_color_get_alpha_float
+
+
+cogl_color_set_red
+cogl_color_set_green
+cogl_color_set_blue
+cogl_color_set_alpha
+
+
+cogl_color_set_red_byte
+cogl_color_set_green_byte
+cogl_color_set_blue_byte
+cogl_color_set_alpha_byte
+
+
+cogl_color_set_red_float
+cogl_color_set_green_float
+cogl_color_set_blue_float
+cogl_color_set_alpha_float
+
+
+cogl_color_premultiply
+cogl_color_unpremultiply
+cogl_color_equal
+
+
+cogl_color_init_from_hsl
+cogl_color_to_hsl
+

+
+

+cogl-vertex-buffer
+Vertex Buffers
+cogl_vertex_buffer_new
+cogl_vertex_buffer_get_n_vertices
+cogl_vertex_buffer_add
+cogl_vertex_buffer_delete
+cogl_vertex_buffer_submit
+cogl_vertex_buffer_disable
+cogl_vertex_buffer_enable
+CoglVerticesMode
+cogl_vertex_buffer_draw
+cogl_is_vertex_buffer
+
+
+CoglIndicesType
+cogl_vertex_buffer_indices_new
+cogl_vertex_buffer_draw_elements
+cogl_vertex_buffer_indices_get_for_quads
+cogl_is_vertex_buffer_indices
+
+
+cogl_vertex_buffer_indices_get_type
+

+
+

+cogl-matrix
+Matrices
+CoglMatrix
+cogl_matrix_init_identity
+cogl_matrix_copy
+cogl_matrix_equal
+cogl_matrix_free
+cogl_matrix_frustum
+cogl_matrix_ortho
+cogl_matrix_perspective
+cogl_matrix_multiply
+cogl_matrix_rotate
+cogl_matrix_translate
+cogl_matrix_scale
+cogl_matrix_transpose
+cogl_matrix_init_from_array
+cogl_matrix_get_array
+cogl_matrix_get_inverse
+cogl_matrix_transform_point
+cogl_matrix_project_points
+cogl_matrix_transform_points
+cogl_matrix_is_identity
+

+
+

+cogl-material
+Materials
+CoglMaterial
+CoglMaterialLayer
+CoglMaterialLayerCallback
+cogl_material_new
+cogl_material_copy
+cogl_is_material
+cogl_material_set_color
+cogl_material_set_color4ub
+cogl_material_set_color4f
+cogl_material_get_color
+cogl_material_set_ambient
+cogl_material_get_ambient
+cogl_material_set_diffuse
+cogl_material_get_diffuse
+cogl_material_set_ambient_and_diffuse
+cogl_material_set_emission
+cogl_material_get_emission
+cogl_material_set_specular
+cogl_material_get_specular
+cogl_material_set_shininess
+cogl_material_get_shininess
+CoglMaterialAlphaFunc
+cogl_material_set_alpha_test_function
+COGL_BLEND_STRING_ERROR
+CoglBlendStringError
+cogl_material_set_blend
+cogl_material_set_blend_constant
+cogl_material_set_point_size
+cogl_material_get_point_size
+cogl_material_set_layer
+cogl_material_remove_layer
+cogl_material_set_layer_combine
+cogl_material_set_layer_combine_constant
+cogl_material_set_layer_matrix
+cogl_material_set_layer_point_sprite_coords_enabled
+cogl_material_get_layer_point_sprite_coords_enabled
+cogl_material_get_n_layers
+CoglMaterialFilter
+cogl_material_set_layer_filters
+CoglMaterialLayerType
+cogl_material_layer_get_type
+cogl_material_layer_get_texture
+cogl_material_layer_get_min_filter
+cogl_material_layer_get_mag_filter
+CoglMaterialWrapMode
+cogl_material_set_layer_wrap_mode
+cogl_material_set_layer_wrap_mode_s
+cogl_material_set_layer_wrap_mode_t
+cogl_material_set_layer_wrap_mode_p
+cogl_material_get_layer_wrap_mode_s
+cogl_material_get_layer_wrap_mode_t
+cogl_material_get_layer_wrap_mode_p
+cogl_material_wrap_mode_get_type
+cogl_material_set_user_program
+cogl_material_get_user_program
+cogl_material_foreach_layer
+
+
+cogl_blend_string_error_get_type
+cogl_blend_string_error_quark
+

+
+

+cogl-depth-state
+CoglDepthState
+cogl_depth_state_init
+cogl_depth_state_set_test_enabled
+cogl_depth_state_get_test_enabled
+cogl_depth_state_set_test_function
+cogl_depth_state_get_test_function
+cogl_depth_state_set_writing_enabled
+cogl_depth_state_get_writing_enabled
+cogl_depth_state_set_range
+cogl_depth_state_get_range
+

+
+

+cogl-buffer
+Buffers
+cogl_is_buffer
+cogl_buffer_get_size
+CoglBufferUsageHint
+cogl_buffer_set_usage_hint
+cogl_buffer_get_usage_hint
+CoglBufferUpdateHint
+cogl_buffer_set_update_hint
+cogl_buffer_get_update_hint
+CoglBufferAccess
+cogl_buffer_map
+cogl_buffer_unmap
+cogl_buffer_set_data
+
+
+cogl_pixel_buffer_new
+cogl_is_pixel_buffer
+
+
+cogl_buffer_access_get_type
+cogl_buffer_update_hint_get_type
+cogl_buffer_usage_hint_get_type
+

+
+

+cogl-vector
+Vectors
+cogl_vector3_init
+cogl_vector3_init_zero
+cogl_vector3_equal
+cogl_vector3_equal_with_epsilon
+cogl_vector3_copy
+cogl_vector3_free
+cogl_vector3_invert
+cogl_vector3_add
+cogl_vector3_subtract
+cogl_vector3_multiply_scalar
+cogl_vector3_divide_scalar
+cogl_vector3_normalize
+cogl_vector3_magnitude
+cogl_vector3_cross_product
+cogl_vector3_dot_product
+cogl_vector3_distance
+

+
+

+cogl-gtype
+GType Integration API
+cogl_gtype_matrix_get_type
+

+
+

+cogl-deprecated
+General API (Deprecated)
+cogl_check_extension
+cogl_viewport
+
+cogl_get_bitmasks
+
+cogl_set_depth_test_enabled
+cogl_get_depth_test_enabled
+

+
+

+cogl-clipping-deprecated
+Clipping (Deprecated)
+cogl_clip_push
+cogl_clip_push_window_rect
+cogl_clip_ensure
+cogl_clip_stack_save
+cogl_clip_stack_restore
+

+
+

+cogl-texture-deprecated
+Textures (Deprecated)
+cogl_texture_ref
+cogl_texture_unref
+

+
+

+cogl-material-deprecated
+Materials (Deprecated)
+cogl_material_ref
+cogl_material_unref
+cogl_material_get_layers
+

+
+

+cogl-vertex-buffer-deprecated
+Vertex Buffers (Deprecated)
+cogl_vertex_buffer_ref
+cogl_vertex_buffer_unref
+

+
+

+cogl-shaders-deprecated
+Shaders and Programmable Pipeline (Deprecated)
+cogl_shader_ref
+cogl_shader_unref
+
+
+cogl_program_ref
+cogl_program_unref
+cogl_program_use
+cogl_program_uniform_1f
+cogl_program_uniform_1i
+cogl_program_uniform_float
+cogl_program_uniform_int
+cogl_program_uniform_matrix
+

+
+

+cogl-offscreen-deprecated
+Offscreen Buffers (Deprecated)
+cogl_offscreen_ref
+cogl_offscreen_unref
+

+
+

+cogl-euler
+Eulers (Rotations)
+CoglEuler
+cogl_euler_init
+cogl_euler_init_from_matrix
+cogl_euler_init_from_quaternion
+cogl_euler_equal
+cogl_euler_copy
+cogl_euler_free
+

+
+

+cogl-quaternion
+Quaternions (Rotations)
+CoglQuaternion
+cogl_quaternion_init_identity
+cogl_quaternion_init
+cogl_quaternion_init_from_angle_vector
+cogl_quaternion_init_from_array
+cogl_quaternion_init_from_x_rotation
+cogl_quaternion_init_from_y_rotation
+cogl_quaternion_init_from_z_rotation
+cogl_quaternion_equal
+cogl_quaternion_copy
+cogl_quaternion_free
+cogl_quaternion_get_rotation_angle
+cogl_quaternion_get_rotation_axis
+cogl_quaternion_normalize
+cogl_quaternion_dot_product
+cogl_quaternion_invert
+cogl_quaternion_multiply
+cogl_quaternion_pow
+cogl_quaternion_slerp
+cogl_quaternion_nlerp
+cogl_quaternion_squad
+cogl_get_static_identity_quaternion
+cogl_get_static_zero_quaternion
+

diff --git a/doc/reference/cogl/cogl_ortho.png b/doc/reference/cogl/cogl_ortho.png
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+
+
+
+Cogl - a modern 3D graphics API
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Cogl - a modern 3D graphics API

+

+
About Cogl

+

+General API — General purpose API
+

+

+Color Type — A generic color definition
+

+

+Textures — Functions for creating and manipulating textures
+

+

+Material Blend Strings — A simple syntax and grammar for describing blending and texture
+combining functions.
+

+

+Materials — Fuctions for creating and manipulating materials
+

+

+Primitives — Functions that draw various primitive 3D shapes
+

+

+Path Primitives
+

+

+Clipping — Fuctions for manipulating a stack of clipping regions
+

+

+Vertex Buffers — An API for submitting extensible arrays of vertex
+  attributes to be mapped into the GPU for fast drawing.
+

+

+Matrices — Functions for initializing and manipulating 4x4 matrices
+

+

+Shaders and Programmable Pipeline — Fuctions for accessing the programmable GL pipeline
+

+

+Offscreen Buffers — Functions for creating and manipulating offscreen
+                    framebuffers.
+

+

+Bitmaps — Functions for loading images
+

+

+Fixed Point API — Fixed Point API
+

+

+GType Integration API
+

+

+

+

+About Cogl

+
Cogl is a modern 3D graphics API with associated utility
+      APIs designed to expose the features of 3D graphics hardware
+      using a more object oriented design than OpenGL. The library has
+      primarily been driven by the practical needs of Clutter but it
+      is not tied to any one toolkit or even constrained to developing
+      UI toolkits.

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/ch02.html b/doc/reference/cogl/html/ch02.html
new file mode 100644
index 0000000..4c4d148
--- /dev/null
+++ b/doc/reference/cogl/html/ch02.html
@@ -0,0 +1,59 @@
+
+
+
+
+Cogl experimental API
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Cogl experimental API

+

+
About the experimental API

+

+Buffers — Common buffer functions, including data upload APIs
+

+

+Vectors — Functions for handling single precision float
+                    vectors.
+

+

+3D textures — Functions for creating and manipulating 3D textures
+

+

+Quaternions (Rotations) — Functions for initializing and manipulating
+quaternions.
+

+

+

+

+About the experimental API

+
Cogl has some experimental API developers are welcomed to play
+      with. The main drawback when using those is that there is no API
+      stability guarantee, functions flagged as experimental could be changed
+      or removed in future versions of the library. To use this experimental
+      API you will need to define
+      COGL_ENABLE_EXPERIMENTAL_API before including
+      <clutter/clutter.h> or
+      <cogl/cogl.h>.

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/ch03.html b/doc/reference/cogl/html/ch03.html
new file mode 100644
index 0000000..336da9a
--- /dev/null
+++ b/doc/reference/cogl/html/ch03.html
@@ -0,0 +1,66 @@
+
+
+
+
+Cogl deprecated API
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Cogl deprecated API

+

+
About the deprecated API

+

+General API (Deprecated)
+

+

+Textures (Deprecated)
+

+

+Materials (Deprecated)
+

+

+Clipping (Deprecated)
+

+

+Vertex Buffers (Deprecated)
+

+

+Shaders and Programmable Pipeline (Deprecated)
+

+

+Offscreen Buffers (Deprecated)
+

+

+

+

+About the deprecated API

+
Cogl has evolved from once being a thin abstraction over
+      OpenGL and GLES where a lot of OpenGL's state machine style APIs
+      were simply rebranded as Cogl API into the more distinguished API
+      style we have today. The result of this evolution though is that
+      some of the APIs are considered deprecated and because we plan to
+      remove them at the next opportunity we have to break the API
+      developers should aim to avoid these functions to keep their code
+      working with future major versions of Cogl.

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-3D-textures.html b/doc/reference/cogl/html/cogl-3D-textures.html
new file mode 100644
index 0000000..9a6c9d4
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-3D-textures.html
@@ -0,0 +1,258 @@
+
+
+
+
+3D textures
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
3D textures

+
3D textures — Functions for creating and manipulating 3D textures

+

+

+
Synopsis

+
CoglTexture3D *     cogl_texture_3d_new_with_size       (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         int depth);
+CoglTexture3D *     cogl_texture_3d_new_from_data       (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         int depth,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         int image_stride,
+                                                         const uint8_t *data,
+                                                         CoglError **error);
+CoglBool            cogl_is_texture_3d                  (void *object);
+

+

+

+
Description

+

+These functions allow 3D textures to be used. 3D textures can be
+thought of as layers of 2D images arranged into a cuboid
+shape. When choosing a texel from the texture, Cogl will take into
+account the 'r' texture coordinate to select one of the images.
+

+

+

+
Details

+

+
cogl_texture_3d_new_with_size ()

+
CoglTexture3D *     cogl_texture_3d_new_with_size       (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         int depth);

+

+Creates a low-level CoglTexture3D texture with the specified
+dimensions and pixel format.
+

+

+The storage for the texture is not allocated before this function
+returns. You can call cogl_texture_allocate() to explicitly
+allocate the underlying storage or preferably let Cogl
+automatically allocate storage lazily when it may know more about
+how the texture is going to be used and can optimize how it is
+allocated.
+

+

+The texture is still configurable until it has been allocated so
+for example you can influence the internal format of the texture
+using cogl_texture_set_components() and
+cogl_texture_set_premultiplied().
+

+

+

+

+
Note
This texture will fail to allocate later if
+COGL_FEATURE_ID_TEXTURE_3D is not advertised. Allocation can also
+fail if the requested dimensions are not supported by the
+GPU.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
a CoglContext
+
width :
width of the texture in pixels.
height :
height of the texture in pixels.
depth :
depth of the texture in pixels.
Returns :
A new CoglTexture3D object with no storage yet allocated. [transfer full]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_texture_3d_new_from_data ()

+
CoglTexture3D *     cogl_texture_3d_new_from_data       (CoglContext *context,
+                                                         int width,
+                                                         int height,
+                                                         int depth,
+                                                         CoglPixelFormat format,
+                                                         int rowstride,
+                                                         int image_stride,
+                                                         const uint8_t *data,
+                                                         CoglError **error);

+

+Creates a low-level 3D texture and initializes it with data. The
+data is assumed to be packed array of depth images. There can be
+padding between the images using image_stride.
+

+

+

+

+
Note
This api will always immediately allocate GPU memory for the
+texture and upload the given data so that the data pointer does
+not need to remain valid once this function returns. This means it
+is not possible to configure the texture before it is allocated. If
+you do need to configure the texture before allocation (to specify
+constraints on the internal format for example) then you can
+instead create a CoglBitmap for your data and use
+cogl_texture_3d_new_from_bitmap().

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
a CoglContext
+
width :
width of the texture in pixels.
height :
height of the texture in pixels.
depth :
depth of the texture in pixels.
format :
the CoglPixelFormat the buffer is stored in in RAM
rowstride :
the memory offset in bytes between the starts of
+scanlines in data or 0 to infer it from the width and format
image_stride :
the number of bytes from one image to the next. This
+can be used to add padding between the images in a similar way
+that the rowstride can be used to add padding between
+rows. Alternatively 0 can be passed to infer the image_stride
+from the height.
data :
pointer the memory region where the source buffer resides
error :
A CoglError return location.
Returns :
the newly created CoglTexture3D or
+NULL if there was an error and an exception will be
+returned through error. [transfer full]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_is_texture_3d ()

+
CoglBool            cogl_is_texture_3d                  (void *object);

+

+Checks whether the given object references a CoglTexture3D
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
a CoglObject
+
Returns :

+TRUE if the passed object represents a 3D texture
+and FALSE otherwise

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Bitmaps.html b/doc/reference/cogl/html/cogl-Bitmaps.html
new file mode 100644
index 0000000..b9c83d8
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Bitmaps.html
@@ -0,0 +1,224 @@
+
+
+
+
+Bitmaps
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Bitmaps

+
Bitmaps — Functions for loading images

+

+

+
Synopsis

+
                    CoglBitmap;
+CoglBitmap *        cogl_bitmap_new_from_file           (const char *filename,
+                                                         CoglError **error);
+CoglBool            cogl_bitmap_get_size_from_file      (const char *filename,
+                                                         int *width,
+                                                         int *height);
+CoglBool            cogl_is_bitmap                      (void *object);
+enum                CoglBitmapError;
+#define             COGL_BITMAP_ERROR
+

+

+

+
Description

+

+Cogl allows loading image data into memory as CoglBitmaps without
+loading them immediately into GPU textures.
+

+

+CoglBitmap is available since Cogl 1.0
+

+

+

+
Details

+

+
CoglBitmap

+
typedef struct _CoglBitmap CoglBitmap;

+

+

+

+
cogl_bitmap_new_from_file ()

+
CoglBitmap *        cogl_bitmap_new_from_file           (const char *filename,
+                                                         CoglError **error);

+

+Loads an image file from disk. This function can be safely called from
+within a thread.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




filename :
the file to load.
error :
a CoglError or NULL.
Returns :
a CoglBitmap to the new loaded
+image data, or NULL if loading the image failed. [transfer full]
+

+
Since 1.0

+

+

+

+
cogl_bitmap_get_size_from_file ()

+
CoglBool            cogl_bitmap_get_size_from_file      (const char *filename,
+                                                         int *width,
+                                                         int *height);

+

+Parses an image file enough to extract the width and height
+of the bitmap.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




filename :
the file to check
width :
return location for the bitmap width, or NULL. [out]
+
height :
return location for the bitmap height, or NULL. [out]
+
Returns :

+TRUE if the image was successfully parsed

+
Since 1.0

+

+

+

+
cogl_is_bitmap ()

+
CoglBool            cogl_is_bitmap                      (void *object);

+

+Checks whether object is a CoglBitmap
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
a CoglObject pointer
Returns :

+TRUE if the passed object represents a bitmap,
+and FALSE otherwise

+
Since 1.0

+

+

+

+
enum CoglBitmapError

+
typedef enum {
+  COGL_BITMAP_ERROR_FAILED,
+  COGL_BITMAP_ERROR_UNKNOWN_TYPE,
+  COGL_BITMAP_ERROR_CORRUPT_IMAGE
+} CoglBitmapError;
+

+

+Error codes that can be thrown when performing bitmap
+operations. Note that gdk_pixbuf_new_from_file() can also throw
+errors directly from the underlying image loading library. For
+example, if GdkPixbuf is used then errors GdkPixbufErrors
+will be used directly.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_BITMAP_ERROR_FAILED
Generic failure code, something went
+  wrong.
+
COGL_BITMAP_ERROR_UNKNOWN_TYPE
Unknown image type.
+
COGL_BITMAP_ERROR_CORRUPT_IMAGE
An image file was broken somehow.
+

+
Since 1.4

+

+

+

+
COGL_BITMAP_ERROR

+
#define COGL_BITMAP_ERROR (cogl_bitmap_error_quark ())
+

+

+CoglError domain for bitmap errors.
+

+
Since 1.4

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Blend-Strings.html b/doc/reference/cogl/html/cogl-Blend-Strings.html
new file mode 100644
index 0000000..539dbcd
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Blend-Strings.html
@@ -0,0 +1,143 @@
+
+
+
+
+Material Blend Strings
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Material Blend Strings

+
Material Blend Strings — A simple syntax and grammar for describing blending and texture
+combining functions.

+

+

+
Cogl Blend Strings

+

+Describing GPU blending and texture combining states is rather awkward to do
+in a consise but also readable fashion. Cogl helps by supporting
+string based descriptions using a simple syntax.
+

+

+

+Some examples

+
Here is an example used for blending:

+
+"RGBA = ADD (SRC_COLOR * (SRC_COLOR[A]), DST_COLOR * (1-SRC_COLOR[A]))"
+

+
In OpenGL terms this replaces glBlendFunc[Separate] and
+glBlendEquation[Separate]

+

+Actually in this case it's more verbose than the GL equivalent:
+

+
+glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+

+

+But unless you are familiar with OpenGL or refer to its API documentation
+you wouldn't know that the default function used by OpenGL is GL_FUNC_ADD
+nor would you know that the above arguments determine what the source color
+and destination color will be multiplied by before being adding.
+

+
Here is an example used for texture combining:

+
+"RGB = REPLACE (PREVIOUS)"
+"A = MODULATE (PREVIOUS, TEXTURE)"
+

+

+In OpenGL terms this replaces glTexEnv, and the above example is equivalent
+to this OpenGL code:
+

+
+  glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_RGB, GL_PREVIOUS);
+  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
+  glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_MODULATE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_PREVIOUS);
+  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_COLOR);
+  glTexEnvi (GL_TEXTURE_ENV, GL_SRC1_ALPHA, GL_TEXTURE);
+  glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_ALPHA, GL_SRC_COLOR);
+

+

+

+

+Here's the syntax

+
+<statement>:
+  <channel-mask>=<function-name>(<arg-list>)
+
+  You can either use a single statement with an RGBA channel-mask or you can use
+  two statements; one with an A channel-mask and the other with an RGB
+  channel-mask.
+
+<channel-mask>:
+  A or RGB or RGBA
+
+<function-name>:
+  [A-Za-z_]*
+
+<arg-list>:
+  <arg>,<arg>
+  or <arg>
+  or ""
+
+  I.e. functions may take 0 or more arguments
+
+<arg>:
+  <color-source>
+  1 - <color-source>                : Only intended for texture combining
+  <color-source> * ( <factor> )     : Only intended for blending
+  0                                 : Only intended for blending
+
+  See the blending or texture combining sections for further notes and examples.
+
+<color-source>:
+  <source-name>[<channel-mask>]
+  <source-name>
+
+  See the blending or texture combining sections for the list of source-names
+  valid in each context.
+
+  If a channel mask is not given then the channel mask of the statement
+  is assumed instead.
+
+<factor>:
+  0
+  1
+  <color-source>
+  1-<color-source>
+  SRC_ALPHA_SATURATE
+

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Buffers.html b/doc/reference/cogl/html/cogl-Buffers.html
new file mode 100644
index 0000000..3251eab
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Buffers.html
@@ -0,0 +1,474 @@
+
+
+
+
+Buffers
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Buffers

+
Buffers — Common buffer functions, including data upload APIs

+

+

+
Stability Level

+Unstable, unless otherwise indicated
+

+

+
Synopsis

+
CoglBool            cogl_is_buffer                      (void *object);
+unsigned int        cogl_buffer_get_size                (CoglBuffer *buffer);
+enum                CoglBufferUpdateHint;
+void                cogl_buffer_set_update_hint         (CoglBuffer *buffer,
+                                                         CoglBufferUpdateHint hint);
+CoglBufferUpdateHint cogl_buffer_get_update_hint        (CoglBuffer *buffer);
+enum                CoglBufferAccess;
+void *              cogl_buffer_map                     (CoglBuffer *buffer,
+                                                         CoglBufferAccess access,
+                                                         CoglBufferMapHint hints);
+void                cogl_buffer_unmap                   (CoglBuffer *buffer);
+CoglBool            cogl_buffer_set_data                (CoglBuffer *buffer,
+                                                         size_t offset,
+                                                         const void *data,
+                                                         size_t size);
+
+CoglPixelBuffer *   cogl_pixel_buffer_new               (CoglContext *context,
+                                                         size_t size,
+                                                         const void *data);
+CoglBool            cogl_is_pixel_buffer                (void *object);
+

+

+

+
Description

+

+The CoglBuffer API provides a common interface to manipulate
+buffers that have been allocated either via cogl_pixel_buffer_new()
+or cogl_attribute_buffer_new(). The API allows you to upload data
+to these buffers and define usage hints that help Cogl manage your
+buffer optimally.
+

+

+Data can either be uploaded by supplying a pointer and size so Cogl
+can copy your data, or you can mmap() a CoglBuffer and then you can
+copy data to the buffer directly.
+

+

+One of the most common uses for CoglBuffers is to upload texture
+data asynchronously since the ability to mmap the buffers into
+the CPU makes it possible for another thread to handle the IO
+of loading an image file and unpacking it into the mapped buffer
+without blocking other Cogl operations.
+

+

+

+
Details

+

+
cogl_is_buffer ()

+
CoglBool            cogl_is_buffer                      (void *object);

+

+Checks whether buffer is a buffer object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
a buffer object
Returns :

+TRUE if the handle is a CoglBuffer, and FALSE otherwise

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+
cogl_buffer_get_size ()

+
unsigned int        cogl_buffer_get_size                (CoglBuffer *buffer);

+

+Retrieves the size of buffer
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




buffer :
a buffer object
Returns :
the size of the buffer in bytes

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+
enum CoglBufferUpdateHint

+
typedef enum {
+ /*< prefix=COGL_BUFFER_UPDATE_HINT >*/
+  COGL_BUFFER_UPDATE_HINT_STATIC,
+  COGL_BUFFER_UPDATE_HINT_DYNAMIC,
+  COGL_BUFFER_UPDATE_HINT_STREAM
+} CoglBufferUpdateHint;
+

+

+The update hint on a buffer allows the user to give some detail on how often
+the buffer data is going to be updated.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_BUFFER_UPDATE_HINT_STATIC
the buffer will not change over time
+
COGL_BUFFER_UPDATE_HINT_DYNAMIC
the buffer will change from time to time
+
COGL_BUFFER_UPDATE_HINT_STREAM
the buffer will be used once or a couple of
+  times
+

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+
cogl_buffer_set_update_hint ()

+
void                cogl_buffer_set_update_hint         (CoglBuffer *buffer,
+                                                         CoglBufferUpdateHint hint);

+

+Sets the update hint on a buffer. See CoglBufferUpdateHint for a description
+of the available hints.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




buffer :
a buffer object
hint :
the new hint

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+
cogl_buffer_get_update_hint ()

+
CoglBufferUpdateHint cogl_buffer_get_update_hint        (CoglBuffer *buffer);

+

+Retrieves the update hints set using cogl_buffer_set_update_hint()
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




buffer :
a buffer object
Returns :
the CoglBufferUpdateHint currently used by the buffer

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+
enum CoglBufferAccess

+
typedef enum {
+ /*< prefix=COGL_BUFFER_ACCESS >*/
+ COGL_BUFFER_ACCESS_READ       = 1 << 0,
+ COGL_BUFFER_ACCESS_WRITE      = 1 << 1,
+ COGL_BUFFER_ACCESS_READ_WRITE = COGL_BUFFER_ACCESS_READ | COGL_BUFFER_ACCESS_WRITE
+} CoglBufferAccess;
+

+

+The access hints for cogl_buffer_set_update_hint()
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_BUFFER_ACCESS_READ
the buffer will be read
+
COGL_BUFFER_ACCESS_WRITE
the buffer will written to
+
COGL_BUFFER_ACCESS_READ_WRITE
the buffer will be used for both reading and
+  writing
+

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+
cogl_buffer_map ()

+
void *              cogl_buffer_map                     (CoglBuffer *buffer,
+                                                         CoglBufferAccess access,
+                                                         CoglBufferMapHint hints);

+

+Maps the buffer into the application address space for direct
+access. This is equivalent to calling cogl_buffer_map_range() with
+zero as the offset and the size of the entire buffer as the size.
+

+

+It is strongly recommended that you pass
+COGL_BUFFER_MAP_HINT_DISCARD as a hint if you are going to replace
+all the buffer's data. This way if the buffer is currently being
+used by the GPU then the driver won't have to stall the CPU and
+wait for the hardware to finish because it can instead allocate a
+new buffer to map.
+

+

+The behaviour is undefined if you access the buffer in a way
+conflicting with the access mask you pass. It is also an error to
+release your last reference while the buffer is mapped.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




buffer :
a buffer object
access :
how the mapped buffer will be used by the application
hints :
A mask of CoglBufferMapHints that tell Cogl how
+the data will be modified once mapped.
Returns :
A pointer to the mapped memory or
+NULL is the call fails. [transfer none]
+

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+
cogl_buffer_unmap ()

+
void                cogl_buffer_unmap                   (CoglBuffer *buffer);

+

+Unmaps a buffer previously mapped by cogl_buffer_map().
+

+

++++
+
+
+
+
+




buffer :
a buffer object

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+
cogl_buffer_set_data ()

+
CoglBool            cogl_buffer_set_data                (CoglBuffer *buffer,
+                                                         size_t offset,
+                                                         const void *data,
+                                                         size_t size);

+

+Updates part of the buffer with new data from data. Where to put this new
+data is controlled by offset and offset + data should be less than the
+buffer size.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




buffer :
a buffer object
offset :
destination offset (in bytes) in the buffer
data :
a pointer to the data to be copied into the buffer
size :
number of bytes to copy
Returns :

+TRUE is the operation succeeded, FALSE otherwise

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+
cogl_pixel_buffer_new ()

+
CoglPixelBuffer *   cogl_pixel_buffer_new               (CoglContext *context,
+                                                         size_t size,
+                                                         const void *data);

+

+Declares a new CoglPixelBuffer of size bytes to contain arrays of
+pixels. Once declared, data can be set using cogl_buffer_set_data()
+or by mapping it into the application's address space using
+cogl_buffer_map().
+

+

+If data isn't NULL then size bytes will be read from data and
+immediately copied into the new buffer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




context :
A CoglContext
+
size :
The number of bytes to allocate for the pixel data.
data :
An optional pointer to vertex data to upload immediately
Returns :
a newly allocated CoglPixelBuffer. [transfer full]
+

+
Since 1.10

+
Stability Level: Unstable

+

+

+

+
cogl_is_pixel_buffer ()

+
CoglBool            cogl_is_pixel_buffer                (void *object);

+

+Checks whether object is a pixel buffer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
a CoglObject to test
Returns :

+TRUE if the object is a pixel buffer, and FALSE
+otherwise

+
Since 1.2

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Clipping-(Deprecated).html b/doc/reference/cogl/html/cogl-Clipping-(Deprecated).html
new file mode 100644
index 0000000..19a4f73
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Clipping-(Deprecated).html
@@ -0,0 +1,216 @@
+
+
+
+
+Clipping (Deprecated)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Clipping (Deprecated)

+
Clipping (Deprecated)

+

+

+
Synopsis

+
void                cogl_clip_push                      (float x_offset,
+                                                         float y_offset,
+                                                         float width,
+                                                         float height);
+void                cogl_clip_push_window_rect          (float x_offset,
+                                                         float y_offset,
+                                                         float width,
+                                                         float height);
+void                cogl_clip_ensure                    (void);
+void                cogl_clip_stack_save                (void);
+void                cogl_clip_stack_restore             (void);
+

+

+

+
Description

+

+

+
Details

+

+
cogl_clip_push ()

+
void                cogl_clip_push                      (float x_offset,
+                                                         float y_offset,
+                                                         float width,
+                                                         float height);

+

+
Warning

+
cogl_clip_push has been deprecated since version 1.16 and should not be used in newly-written code. The x, y, width, height arguments are inconsistent
+  with other API that specify rectangles in model space, and when used
+  with a coordinate space that puts the origin at the center and y+
+  extending up, it's awkward to use. Please use
+  cogl_framebuffer_push_rectangle_clip()

+

+

+Specifies a rectangular clipping area for all subsequent drawing
+operations. Any drawing commands that extend outside the rectangle
+will be clipped so that only the portion inside the rectangle will
+be displayed. The rectangle dimensions are transformed by the
+current model-view matrix.
+

+

+The rectangle is intersected with the current clip region. To undo
+the effect of this function, call cogl_clip_pop().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x_offset :
left edge of the clip rectangle
y_offset :
top edge of the clip rectangle
width :
width of the clip rectangle
height :
height of the clip rectangle

+

+

+

+
cogl_clip_push_window_rect ()

+
void                cogl_clip_push_window_rect          (float x_offset,
+                                                         float y_offset,
+                                                         float width,
+                                                         float height);

+

+
Warning

+
cogl_clip_push_window_rect has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_framebuffer_push_scissor_clip() instead

+

+

+Specifies a rectangular clipping area for all subsequent drawing
+operations. Any drawing commands that extend outside the rectangle
+will be clipped so that only the portion inside the rectangle will
+be displayed. The rectangle dimensions are not transformed by the
+current model-view matrix.
+

+

+The rectangle is intersected with the current clip region. To undo
+the effect of this function, call cogl_clip_pop().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x_offset :
left edge of the clip rectangle in window coordinates
y_offset :
top edge of the clip rectangle in window coordinates
width :
width of the clip rectangle
height :
height of the clip rectangle

+

+

+

+
cogl_clip_ensure ()

+
void                cogl_clip_ensure                    (void);

+

+
Warning

+
cogl_clip_ensure has been deprecated since version 1.2 and should not be used in newly-written code. Calling this function has no effect

+

+

+Ensures that the current clipping region has been set in GL. This
+will automatically be called before any Cogl primitives but it
+maybe be neccessary to call if you are using raw GL calls with
+clipping.
+

+
Since 1.0

+

+

+

+
cogl_clip_stack_save ()

+
void                cogl_clip_stack_save                (void);

+

+
Warning

+
cogl_clip_stack_save has been deprecated since version 1.2 and should not be used in newly-written code. This was originally added to allow us to save the
+  clip stack when switching to an offscreen framebuffer, but it's
+  not necessary anymore given that framebuffers now own separate
+  clip stacks which will be automatically switched between when a
+  new buffer is set. Calling this function has no effect

+

+

+Save the entire state of the clipping stack and then clear all
+clipping. The previous state can be returned to with
+cogl_clip_stack_restore(). Each call to cogl_clip_push() after this
+must be matched by a call to cogl_clip_pop() before calling
+cogl_clip_stack_restore().
+

+
Since 0.8.2

+

+

+

+
cogl_clip_stack_restore ()

+
void                cogl_clip_stack_restore             (void);

+

+
Warning

+
cogl_clip_stack_restore has been deprecated since version 1.2 and should not be used in newly-written code. This was originally added to allow us to restore
+  the clip stack when switching back from an offscreen framebuffer,
+  but it's not necessary anymore given that framebuffers now own
+  separate clip stacks which will be automatically switched between
+  when a new buffer is set. Calling this function has no effect

+

+

+Restore the state of the clipping stack that was previously saved
+by cogl_clip_stack_save().
+

+
Since 0.8.2

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Clipping.html b/doc/reference/cogl/html/cogl-Clipping.html
new file mode 100644
index 0000000..18cefed
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Clipping.html
@@ -0,0 +1,176 @@
+
+
+
+
+Clipping
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Clipping

+
Clipping — Fuctions for manipulating a stack of clipping regions

+

+

+
Synopsis

+
void                cogl_clip_push_rectangle            (float x0,
+                                                         float y0,
+                                                         float x1,
+                                                         float y1);
+void                cogl_clip_push_window_rectangle     (int x_offset,
+                                                         int y_offset,
+                                                         int width,
+                                                         int height);
+void                cogl_clip_pop                       (void);
+

+

+

+
Description

+

+To support clipping your geometry to rectangles or paths Cogl exposes a
+stack based API whereby each clip region you push onto the stack is
+intersected with the previous region.
+

+

+

+
Details

+

+
cogl_clip_push_rectangle ()

+
void                cogl_clip_push_rectangle            (float x0,
+                                                         float y0,
+                                                         float x1,
+                                                         float y1);

+

+
Warning

+
cogl_clip_push_rectangle has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_framebuffer_push_rectangle_clip()
+                  instead

+

+

+Specifies a rectangular clipping area for all subsequent drawing
+operations. Any drawing commands that extend outside the rectangle
+will be clipped so that only the portion inside the rectangle will
+be displayed. The rectangle dimensions are transformed by the
+current model-view matrix.
+

+

+The rectangle is intersected with the current clip region. To undo
+the effect of this function, call cogl_clip_pop().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x0 :
x coordinate for top left corner of the clip rectangle
y0 :
y coordinate for top left corner of the clip rectangle
x1 :
x coordinate for bottom right corner of the clip rectangle
y1 :
y coordinate for bottom right corner of the clip rectangle

+
Since 1.2

+

+

+

+
cogl_clip_push_window_rectangle ()

+
void                cogl_clip_push_window_rectangle     (int x_offset,
+                                                         int y_offset,
+                                                         int width,
+                                                         int height);

+

+
Warning

+
cogl_clip_push_window_rectangle has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_framebuffer_push_scissor_clip() instead

+

+

+Specifies a rectangular clipping area for all subsequent drawing
+operations. Any drawing commands that extend outside the rectangle
+will be clipped so that only the portion inside the rectangle will
+be displayed. The rectangle dimensions are not transformed by the
+current model-view matrix.
+

+

+The rectangle is intersected with the current clip region. To undo
+the effect of this function, call cogl_clip_pop().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x_offset :
left edge of the clip rectangle in window coordinates
y_offset :
top edge of the clip rectangle in window coordinates
width :
width of the clip rectangle
height :
height of the clip rectangle

+
Since 1.2

+

+

+

+
cogl_clip_pop ()

+
void                cogl_clip_pop                       (void);

+

+
Warning

+
cogl_clip_pop has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_framebuffer_pop_clip() instead

+

+

+Reverts the clipping region to the state before the last call to
+cogl_clip_push().
+

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Color-Type.html b/doc/reference/cogl/html/cogl-Color-Type.html
new file mode 100644
index 0000000..19a728c
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Color-Type.html
@@ -0,0 +1,1230 @@
+
+
+
+
+Color Type
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Color Type

+
Color Type — A generic color definition

+

+

+
Synopsis

+
struct              CoglColor;
+CoglColor *         cogl_color_new                      (void);
+CoglColor *         cogl_color_copy                     (const CoglColor *color);
+void                cogl_color_free                     (CoglColor *color);
+void                cogl_color_init_from_4f             (CoglColor *color,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+void                cogl_color_init_from_4fv            (CoglColor *color,
+                                                         const float *color_array);
+void                cogl_color_init_from_4ub            (CoglColor *color,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);
+void                cogl_color_set_from_4ub             (CoglColor *color,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);
+void                cogl_color_set_from_4f              (CoglColor *color,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+
+float               cogl_color_get_red                  (const CoglColor *color);
+float               cogl_color_get_green                (const CoglColor *color);
+float               cogl_color_get_blue                 (const CoglColor *color);
+float               cogl_color_get_alpha                (const CoglColor *color);
+
+unsigned char       cogl_color_get_red_byte             (const CoglColor *color);
+unsigned char       cogl_color_get_green_byte           (const CoglColor *color);
+unsigned char       cogl_color_get_blue_byte            (const CoglColor *color);
+unsigned char       cogl_color_get_alpha_byte           (const CoglColor *color);
+
+float               cogl_color_get_red_float            (const CoglColor *color);
+float               cogl_color_get_green_float          (const CoglColor *color);
+float               cogl_color_get_blue_float           (const CoglColor *color);
+float               cogl_color_get_alpha_float          (const CoglColor *color);
+
+void                cogl_color_set_red                  (CoglColor *color,
+                                                         float red);
+void                cogl_color_set_green                (CoglColor *color,
+                                                         float green);
+void                cogl_color_set_blue                 (CoglColor *color,
+                                                         float blue);
+void                cogl_color_set_alpha                (CoglColor *color,
+                                                         float alpha);
+
+void                cogl_color_set_red_byte             (CoglColor *color,
+                                                         unsigned char red);
+void                cogl_color_set_green_byte           (CoglColor *color,
+                                                         unsigned char green);
+void                cogl_color_set_blue_byte            (CoglColor *color,
+                                                         unsigned char blue);
+void                cogl_color_set_alpha_byte           (CoglColor *color,
+                                                         unsigned char alpha);
+
+void                cogl_color_set_red_float            (CoglColor *color,
+                                                         float red);
+void                cogl_color_set_green_float          (CoglColor *color,
+                                                         float green);
+void                cogl_color_set_blue_float           (CoglColor *color,
+                                                         float blue);
+void                cogl_color_set_alpha_float          (CoglColor *color,
+                                                         float alpha);
+
+void                cogl_color_premultiply              (CoglColor *color);
+void                cogl_color_unpremultiply            (CoglColor *color);
+CoglBool            cogl_color_equal                    (const void *v1,
+                                                         const void *v2);
+
+void                cogl_color_init_from_hsl            (CoglColor *color,
+                                                         float hue,
+                                                         float saturation,
+                                                         float luminance);
+void                cogl_color_to_hsl                   (const CoglColor *color,
+                                                         float *hue,
+                                                         float *saturation,
+                                                         float *luminance);
+

+

+

+
Description

+

+CoglColor is a simple structure holding the definition of a color such
+that it can be efficiently used by GL
+

+

+

+
Details

+

+
struct CoglColor

+
struct CoglColor {
+};
+

+

+A structure for holding a color definition. The contents of
+the CoglColor structure are private and should never by accessed
+directly.
+

+

++++
+
+





+
Since 1.0

+

+

+

+
cogl_color_new ()

+
CoglColor *         cogl_color_new                      (void);

+

+Creates a new (empty) color
+

+

++++
+
+
+
+
+




Returns :
a newly-allocated CoglColor. Use cogl_color_free()
+to free the allocated resources

+
Since 1.0

+

+

+

+
cogl_color_copy ()

+
CoglColor *         cogl_color_copy                     (const CoglColor *color);

+

+Creates a copy of color
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
the color to copy
Returns :
a newly-allocated CoglColor. Use cogl_color_free()
+to free the allocate resources

+
Since 1.0

+

+

+

+
cogl_color_free ()

+
void                cogl_color_free                     (CoglColor *color);

+

+Frees the resources allocated by cogl_color_new() and cogl_color_copy()
+

+

++++
+
+
+
+
+




color :
the color to free

+
Since 1.0

+

+

+

+
cogl_color_init_from_4f ()

+
void                cogl_color_init_from_4f             (CoglColor *color,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);

+

+Sets the values of the passed channels into a CoglColor
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




color :
A pointer to a CoglColor to initialize
red :
value of the red channel, between 0 and 1.0
green :
value of the green channel, between 0 and 1.0
blue :
value of the blue channel, between 0 and 1.0
alpha :
value of the alpha channel, between 0 and 1.0

+
Since 1.4

+

+

+

+
cogl_color_init_from_4fv ()

+
void                cogl_color_init_from_4fv            (CoglColor *color,
+                                                         const float *color_array);

+

+Sets the values of the passed channels into a CoglColor
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
A pointer to a CoglColor to initialize
color_array :
a pointer to an array of 4 float color components

+
Since 1.4

+

+

+

+
cogl_color_init_from_4ub ()

+
void                cogl_color_init_from_4ub            (CoglColor *color,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);

+

+Sets the values of the passed channels into a CoglColor.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




color :
A pointer to a CoglColor to initialize
red :
value of the red channel, between 0 and 255
green :
value of the green channel, between 0 and 255
blue :
value of the blue channel, between 0 and 255
alpha :
value of the alpha channel, between 0 and 255

+
Since 1.4

+

+

+

+
cogl_color_set_from_4ub ()

+
void                cogl_color_set_from_4ub             (CoglColor *color,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);

+

+
Warning

+
cogl_color_set_from_4ub has been deprecated since version 1.4 and should not be used in newly-written code. Use cogl_color_init_from_4ub instead.

+

+

+Sets the values of the passed channels into a CoglColor.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




color :
A pointer to a CoglColor to initialize
red :
value of the red channel, between 0 and 255
green :
value of the green channel, between 0 and 255
blue :
value of the blue channel, between 0 and 255
alpha :
value of the alpha channel, between 0 and 255

+
Since 1.0

+

+

+

+
cogl_color_set_from_4f ()

+
void                cogl_color_set_from_4f              (CoglColor *color,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);

+

+
Warning

+
cogl_color_set_from_4f has been deprecated since version 1.4 and should not be used in newly-written code. Use cogl_color_init_from_4f instead.

+

+

+Sets the values of the passed channels into a CoglColor
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




color :
A pointer to a CoglColor to initialize
red :
value of the red channel, between 0 and 1.0
green :
value of the green channel, between 0 and 1.0
blue :
value of the blue channel, between 0 and 1.0
alpha :
value of the alpha channel, between 0 and 1.0

+
Since 1.0

+

+

+

+
cogl_color_get_red ()

+
float               cogl_color_get_red                  (const CoglColor *color);

+

+Retrieves the red channel of color as a fixed point
+value between 0 and 1.0.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the red channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_green ()

+
float               cogl_color_get_green                (const CoglColor *color);

+

+Retrieves the green channel of color as a fixed point
+value between 0 and 1.0.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the green channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_blue ()

+
float               cogl_color_get_blue                 (const CoglColor *color);

+

+Retrieves the blue channel of color as a fixed point
+value between 0 and 1.0.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the blue channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_alpha ()

+
float               cogl_color_get_alpha                (const CoglColor *color);

+

+Retrieves the alpha channel of color as a fixed point
+value between 0 and 1.0.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the alpha channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_red_byte ()

+
unsigned char       cogl_color_get_red_byte             (const CoglColor *color);

+

+Retrieves the red channel of color as a byte value
+between 0 and 255
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the red channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_green_byte ()

+
unsigned char       cogl_color_get_green_byte           (const CoglColor *color);

+

+Retrieves the green channel of color as a byte value
+between 0 and 255
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the green channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_blue_byte ()

+
unsigned char       cogl_color_get_blue_byte            (const CoglColor *color);

+

+Retrieves the blue channel of color as a byte value
+between 0 and 255
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the blue channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_alpha_byte ()

+
unsigned char       cogl_color_get_alpha_byte           (const CoglColor *color);

+

+Retrieves the alpha channel of color as a byte value
+between 0 and 255
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the alpha channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_red_float ()

+
float               cogl_color_get_red_float            (const CoglColor *color);

+

+Retrieves the red channel of color as a floating point
+value between 0.0 and 1.0
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the red channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_green_float ()

+
float               cogl_color_get_green_float          (const CoglColor *color);

+

+Retrieves the green channel of color as a floating point
+value between 0.0 and 1.0
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the green channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_blue_float ()

+
float               cogl_color_get_blue_float           (const CoglColor *color);

+

+Retrieves the blue channel of color as a floating point
+value between 0.0 and 1.0
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the blue channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_get_alpha_float ()

+
float               cogl_color_get_alpha_float          (const CoglColor *color);

+

+Retrieves the alpha channel of color as a floating point
+value between 0.0 and 1.0
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
Returns :
the alpha channel of the passed color

+
Since 1.0

+

+

+

+
cogl_color_set_red ()

+
void                cogl_color_set_red                  (CoglColor *color,
+                                                         float red);

+

+Sets the red channel of color to red.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
red :
a float value between 0.0f and 1.0f

+
Since 1.4

+

+

+

+
cogl_color_set_green ()

+
void                cogl_color_set_green                (CoglColor *color,
+                                                         float green);

+

+Sets the green channel of color to green.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
green :
a float value between 0.0f and 1.0f

+
Since 1.4

+

+

+

+
cogl_color_set_blue ()

+
void                cogl_color_set_blue                 (CoglColor *color,
+                                                         float blue);

+

+Sets the blue channel of color to blue.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
blue :
a float value between 0.0f and 1.0f

+
Since 1.4

+

+

+

+
cogl_color_set_alpha ()

+
void                cogl_color_set_alpha                (CoglColor *color,
+                                                         float alpha);

+

+Sets the alpha channel of color to alpha.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
alpha :
a float value between 0.0f and 1.0f

+
Since 1.4

+

+

+

+
cogl_color_set_red_byte ()

+
void                cogl_color_set_red_byte             (CoglColor *color,
+                                                         unsigned char red);

+

+Sets the red channel of color to red.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
red :
a byte value between 0 and 255

+
Since 1.4

+

+

+

+
cogl_color_set_green_byte ()

+
void                cogl_color_set_green_byte           (CoglColor *color,
+                                                         unsigned char green);

+

+Sets the green channel of color to green.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
green :
a byte value between 0 and 255

+
Since 1.4

+

+

+

+
cogl_color_set_blue_byte ()

+
void                cogl_color_set_blue_byte            (CoglColor *color,
+                                                         unsigned char blue);

+

+Sets the blue channel of color to blue.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
blue :
a byte value between 0 and 255

+
Since 1.4

+

+

+

+
cogl_color_set_alpha_byte ()

+
void                cogl_color_set_alpha_byte           (CoglColor *color,
+                                                         unsigned char alpha);

+

+Sets the alpha channel of color to alpha.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
alpha :
a byte value between 0 and 255

+
Since 1.4

+

+

+

+
cogl_color_set_red_float ()

+
void                cogl_color_set_red_float            (CoglColor *color,
+                                                         float red);

+

+Sets the red channel of color to red.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
red :
a float value between 0.0f and 1.0f

+
Since 1.4

+

+

+

+
cogl_color_set_green_float ()

+
void                cogl_color_set_green_float          (CoglColor *color,
+                                                         float green);

+

+Sets the green channel of color to green.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
green :
a float value between 0.0f and 1.0f

+
Since 1.4

+

+

+

+
cogl_color_set_blue_float ()

+
void                cogl_color_set_blue_float           (CoglColor *color,
+                                                         float blue);

+

+Sets the blue channel of color to blue.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
blue :
a float value between 0.0f and 1.0f

+
Since 1.4

+

+

+

+
cogl_color_set_alpha_float ()

+
void                cogl_color_set_alpha_float          (CoglColor *color,
+                                                         float alpha);

+

+Sets the alpha channel of color to alpha.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
alpha :
a float value between 0.0f and 1.0f

+
Since 1.4

+

+

+

+
cogl_color_premultiply ()

+
void                cogl_color_premultiply              (CoglColor *color);

+

+Converts a non-premultiplied color to a pre-multiplied color. For
+example, semi-transparent red is (1.0, 0, 0, 0.5) when non-premultiplied
+and (0.5, 0, 0, 0.5) when premultiplied.
+

+

++++
+
+
+
+
+




color :
the color to premultiply

+
Since 1.0

+

+

+

+
cogl_color_unpremultiply ()

+
void                cogl_color_unpremultiply            (CoglColor *color);

+

+Converts a pre-multiplied color to a non-premultiplied color. For
+example, semi-transparent red is (0.5, 0, 0, 0.5) when premultiplied
+and (1.0, 0, 0, 0.5) when non-premultiplied.
+

+

++++
+
+
+
+
+




color :
the color to unpremultiply

+
Since 1.4

+

+

+

+
cogl_color_equal ()

+
CoglBool            cogl_color_equal                    (const void *v1,
+                                                         const void *v2);

+

+Compares two CoglColors and checks if they are the same.
+

+

+This function can be passed to g_hash_table_new() as the key_equal_func
+parameter, when using CoglColors as keys in a GHashTable.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




v1 :
a CoglColor
+
v2 :
a CoglColor
+
Returns :

+TRUE if the two colors are the same.

+
Since 1.0

+

+

+

+
cogl_color_init_from_hsl ()

+
void                cogl_color_init_from_hsl            (CoglColor *color,
+                                                         float hue,
+                                                         float saturation,
+                                                         float luminance);

+

+Converts a color expressed in HLS (hue, luminance and saturation)
+values into a CoglColor.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




color :
return location for a CoglColor. [out]
+
hue :
hue value, in the 0 .. 360 range
saturation :
saturation value, in the 0 .. 1 range
luminance :
luminance value, in the 0 .. 1 range

+
Since 1.16

+

+

+

+
cogl_color_to_hsl ()

+
void                cogl_color_to_hsl                   (const CoglColor *color,
+                                                         float *hue,
+                                                         float *saturation,
+                                                         float *luminance);

+

+Converts color to the HLS format.
+

+

+The hue value is in the 0 .. 360 range. The luminance and
+saturation values are in the 0 .. 1 range.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




color :
a CoglColor
+
hue :
return location for the hue value or NULL. [out]
+
saturation :
return location for the saturation value or NULL. [out]
+
luminance :
return location for the luminance value or NULL. [out]
+

+
Since 1.16

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Fixed-Point-API.html b/doc/reference/cogl/html/cogl-Fixed-Point-API.html
new file mode 100644
index 0000000..6b612ea
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Fixed-Point-API.html
@@ -0,0 +1,1331 @@
+
+
+
+
+Fixed Point API
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Fixed Point API

+
Fixed Point API — Fixed Point API

+

+

+
Synopsis

+
typedef             CoglFixed;
+#define             COGL_FIXED_BITS
+#define             COGL_FIXED_Q
+#define             COGL_FIXED_MAX
+#define             COGL_FIXED_MIN
+
+#define             COGL_FIXED_FROM_FLOAT               (x)
+#define             COGL_FIXED_TO_FLOAT                 (x)
+#define             COGL_FIXED_FROM_INT                 (x)
+#define             COGL_FIXED_TO_INT                   (x)
+#define             COGL_FIXED_FROM_DOUBLE              (x)
+#define             COGL_FIXED_TO_DOUBLE                (x)
+#define             COGL_FLOAT_TO_INT                   (x)
+#define             COGL_FLOAT_TO_UINT                  (x)
+
+#define             COGL_FIXED_EPSILON
+#define             COGL_FIXED_1
+#define             COGL_FIXED_0_5
+#define             COGL_FIXED_30
+#define             COGL_FIXED_45
+#define             COGL_FIXED_60
+#define             COGL_FIXED_90
+#define             COGL_FIXED_120
+#define             COGL_FIXED_180
+#define             COGL_FIXED_240
+#define             COGL_FIXED_255
+#define             COGL_FIXED_270
+#define             COGL_FIXED_360
+
+#define             COGL_FIXED_MUL                      (a,
+                                                         b)
+#define             COGL_FIXED_DIV                      (a,
+                                                         b)
+#define             COGL_FIXED_MUL_DIV                  (a,
+                                                         b,
+                                                         c)
+#define             COGL_FIXED_FAST_DIV                 (a,
+                                                         b)
+#define             COGL_FIXED_FAST_MUL                 (a,
+                                                         b)
+#define             COGL_FIXED_FRACTION                 (x)
+#define             COGL_FIXED_FLOOR                    (x)
+#define             COGL_FIXED_CEIL                     (x)
+
+#define             COGL_FIXED_2_PI
+#define             COGL_FIXED_PI
+#define             COGL_FIXED_PI_2
+#define             COGL_FIXED_PI_4
+#define             COGL_RADIANS_TO_DEGREES
+
+#define             COGL_SQRTI_ARG_10_PERCENT
+#define             COGL_SQRTI_ARG_5_PERCENT
+#define             COGL_SQRTI_ARG_MAX
+int                 cogl_sqrti                          (int x);
+
+CoglFixed           cogl_fixed_atan2                    (CoglFixed a,
+                                                         CoglFixed b);
+CoglFixed           cogl_fixed_atan                     (CoglFixed a);
+CoglFixed           cogl_fixed_cos                      (CoglFixed angle);
+CoglFixed           cogl_fixed_log2                     (unsigned int x);
+unsigned int        cogl_fixed_pow                      (unsigned int x,
+                                                         CoglFixed y);
+unsigned int        cogl_fixed_pow2                     (CoglFixed x);
+CoglFixed           cogl_fixed_sin                      (CoglFixed angle);
+CoglFixed           cogl_fixed_sqrt                     (CoglFixed x);
+CoglFixed           cogl_fixed_tan                      (CoglFixed angle);
+CoglFixed           cogl_fixed_div                      (CoglFixed a,
+                                                         CoglFixed b);
+CoglFixed           cogl_fixed_mul                      (CoglFixed a,
+                                                         CoglFixed b);
+CoglFixed           cogl_fixed_mul_div                  (CoglFixed a,
+                                                         CoglFixed b,
+                                                         CoglFixed c);
+
+typedef             CoglAngle;
+#define             COGL_ANGLE_FROM_DEG                 (x)
+#define             COGL_ANGLE_FROM_DEGX                (x)
+#define             COGL_ANGLE_TO_DEG                   (x)
+#define             COGL_ANGLE_TO_DEGX                  (x)
+CoglFixed           cogl_angle_cos                      (CoglAngle angle);
+CoglFixed           cogl_angle_sin                      (CoglAngle angle);
+CoglFixed           cogl_angle_tan                      (CoglAngle angle);
+

+

+

+
Description

+

+COGL has a fixed point API targeted at platforms without a floating
+point unit, such as embedded devices. On such platforms this API should
+be preferred to the floating point one as it does not trigger the slow
+path of software emulation, relying on integer math for fixed-to-floating
+and floating-to-fixed notations conversion.
+

+

+It is not recommened for use on platforms with a floating point unit
+(e.g. desktop systems), nor for use in language bindings.
+

+

+Basic rules of Fixed Point arithmethic:
+

+
    
+
  • Two fixed point numbers can be directly added, subtracted and
+    have their modulus taken.
    • 
+
  • To add other numerical type to a fixed point number it has to
+    be first converted to fixed point.
    • 
+
  • A fixed point number can be directly multiplied or divided by
+    an integer.
    • 
+
  • Two fixed point numbers can only be multiplied and divided by
+    the provided COGL_FIXED_MUL and COGL_FIXED_DIV macros.
    • 
+

+

+

+

+The fixed point API is available since COGL 1.0.
+

+

+

+
Details

+

+
CoglFixed

+
typedef int32_t CoglFixed;
+

+

+Fixed point number using a (16.16) notation.
+

+

+

+

+
COGL_FIXED_BITS

+
#define COGL_FIXED_BITS         (32)
+

+

+Evaluates to the number of bits used by the CoglFixed type.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_Q

+
#define COGL_FIXED_Q            (COGL_FIXED_BITS - 16)
+

+

+Evaluates to the number of bits used for the non-integer part
+of the CoglFixed type.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_MAX

+
#define COGL_FIXED_MAX          (0x7fffffff)
+

+

+The biggest number representable using CoglFixed
+

+
Since 1.0

+

+

+

+
COGL_FIXED_MIN

+
#define COGL_FIXED_MIN          (0x80000000)
+

+

+The smallest number representable using CoglFixed
+

+
Since 1.0

+

+

+

+
COGL_FIXED_FROM_FLOAT()

+
#define COGL_FIXED_FROM_FLOAT(x)        ((float) cogl_double_to_fixed (x))
+

+

+Converts x from a floating point to a fixed point notation.
+

+

++++
+
+
+
+
+




x :
a floating point number

+
Since 1.0

+

+

+

+
COGL_FIXED_TO_FLOAT()

+
#define COGL_FIXED_TO_FLOAT(x)          ((float) ((int)(x) / 65536.0))
+

+

+Converts x from a fixed point to a floating point notation, in
+single precision.
+

+

++++
+
+
+
+
+




x :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_FROM_INT()

+
#define COGL_FIXED_FROM_INT(x)          ((x) << COGL_FIXED_Q)
+

+

+Converts x from an integer to a fixed point notation.
+

+

++++
+
+
+
+
+




x :
an integer number

+
Since 1.0

+

+

+

+
COGL_FIXED_TO_INT()

+
#define COGL_FIXED_TO_INT(x)            ((x) >> COGL_FIXED_Q)
+

+

+Converts x from a fixed point notation to an integer, dropping
+the fractional part without rounding.
+

+

++++
+
+
+
+
+




x :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_FROM_DOUBLE()

+
#define COGL_FIXED_FROM_DOUBLE(x)       (cogl_double_to_fixed (x))
+

+

+Converts x from a double precision, floating point to a fixed
+point notation.
+

+

++++
+
+
+
+
+




x :
a floating point number

+
Since 1.0

+

+

+

+
COGL_FIXED_TO_DOUBLE()

+
#define COGL_FIXED_TO_DOUBLE(x)         ((double) ((int)(x) / 65536.0))
+

+

+Converts x from a fixed point to a floating point notation, in
+double precision.
+

+

++++
+
+
+
+
+




x :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FLOAT_TO_INT()

+
#define COGL_FLOAT_TO_INT(x)            (cogl_double_to_int ((x)))
+

+

+Converts x from a floating point notation to a signed integer.
+

+

++++
+
+
+
+
+




x :
a floatint point number

+
Since 1.0

+

+

+

+
COGL_FLOAT_TO_UINT()

+
#define COGL_FLOAT_TO_UINT(x)           (cogl_double_to_uint ((x)))
+

+

+Converts x from a floating point notation to an unsigned integer.
+

+

++++
+
+
+
+
+




x :
a floatint point number

+
Since 1.0

+

+

+

+
COGL_FIXED_EPSILON

+
#define COGL_FIXED_EPSILON      (1)
+

+

+A very small number expressed as a CoglFixed number.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_1

+
#define COGL_FIXED_1            (1 << COGL_FIXED_Q)
+

+

+The number 1 expressed as a CoglFixed number.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_0_5

+
#define COGL_FIXED_0_5          (32768)
+

+

+The number 0.5 expressed as a CoglFixed number.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_30

+
#define COGL_FIXED_30           (COGL_FIXED_FROM_INT (30))
+

+

+Evaluates to the number 30 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_45

+
#define COGL_FIXED_45           (COGL_FIXED_FROM_INT (45))
+

+

+Evaluates to the number 45 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_60

+
#define COGL_FIXED_60           (COGL_FIXED_FROM_INT (60))
+

+

+Evaluates to the number 60 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_90

+
#define COGL_FIXED_90           (COGL_FIXED_FROM_INT (90))
+

+

+Evaluates to the number 90 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_120

+
#define COGL_FIXED_120          (COGL_FIXED_FROM_INT (120))
+

+

+Evaluates to the number 120 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_180

+
#define COGL_FIXED_180          (COGL_FIXED_FROM_INT (180))
+

+

+Evaluates to the number 180 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_240

+
#define COGL_FIXED_240          (COGL_FIXED_FROM_INT (240))
+

+

+Evaluates to the number 240 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_255

+
#define COGL_FIXED_255          (COGL_FIXED_FROM_INT (255))
+

+

+Evaluates to the number 255 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_270

+
#define COGL_FIXED_270          (COGL_FIXED_FROM_INT (270))
+

+

+Evaluates to the number 270 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_360

+
#define COGL_FIXED_360          (COGL_FIXED_FROM_INT (360))
+

+

+Evaluates to the number 360 in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_MUL()

+
#define COGL_FIXED_MUL(a,b)             (cogl_fixed_mul ((a), (b)))
+

+

+Computes (a * b).
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




a :
a CoglFixed number
b :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_DIV()

+
#define COGL_FIXED_DIV(a,b)             (cogl_fixed_div ((a), (b)))
+

+

+Computes (a / b).
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




a :
a CoglFixed number
b :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_MUL_DIV()

+
#define COGL_FIXED_MUL_DIV(a,b,c)       (cogl_fixed_mul_div ((a), (b), (c)))
+

+

+Computes ((a * b) / c). It is logically equivalent to:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+res = COGL_FIXED_DIV (COGL_FIXED_MUL (a, b), c);

+

+
+

+

+

+But it is shorter to type.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




a :
a CoglFixed number
b :
a CoglFixed number
c :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_FAST_DIV()

+
#define COGL_FIXED_FAST_DIV(a,b)        ((((a) << 8) / (b)) << 8)
+

+

+Fast version of COGL_FIXED_DIV, implemented as a macro.
+

+

+

+

+
Note
This macro might lose precision. If the precision of the result
+is important use COGL_FIXED_DIV instead.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




a :
a CoglFixed number
b :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_FAST_MUL()

+
#define COGL_FIXED_FAST_MUL(a,b)        ((a) >> 8) * ((b) >> 8)
+

+

+Fast version of COGL_FIXED_MUL, implemented as a macro.
+

+

+

+

+
Note
This macro might lose precision. If the precision of the result
+is important use COGL_FIXED_MUL instead.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




a :
a CoglFixed number
b :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_FRACTION()

+
#define COGL_FIXED_FRACTION(x)          ((x) & ((1 << COGL_FIXED_Q) - 1))
+

+

+Retrieves the fractionary part of x.
+

+

++++
+
+
+
+
+




x :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_FLOOR()

+
#define             COGL_FIXED_FLOOR(x)

+

+Rounds down a fixed point number to the previous integer.
+

+

++++
+
+
+
+
+




x :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_CEIL()

+
#define COGL_FIXED_CEIL(x)              (COGL_FIXED_FLOOR ((x) + 0xffff))
+

+

+Rounds up a fixed point number to the next integer.
+

+

++++
+
+
+
+
+




x :
a CoglFixed number

+
Since 1.0

+

+

+

+
COGL_FIXED_2_PI

+
#define COGL_FIXED_2_PI         (0x0006487f)
+

+

+Two times pi, expressed as a CoglFixed number.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_PI

+
#define COGL_FIXED_PI           (0x0003243f)
+

+

+The number pi, expressed as a CoglFixed number.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_PI_2

+
#define COGL_FIXED_PI_2         (0x00019220)
+

+

+Half pi, expressed as a CoglFixed number.
+

+
Since 1.0

+

+

+

+
COGL_FIXED_PI_4

+
#define COGL_FIXED_PI_4         (0x0000c910)
+

+

+pi / 4, expressed as CoglFixed number.
+

+
Since 1.0

+

+

+

+
COGL_RADIANS_TO_DEGREES

+
#define COGL_RADIANS_TO_DEGREES (0x394bb8)
+

+

+Evaluates to 180 / pi in fixed point notation.
+

+
Since 1.0

+

+

+

+
COGL_SQRTI_ARG_10_PERCENT

+
#define COGL_SQRTI_ARG_10_PERCENT 5590
+

+

+Maximum argument that can be passed to cogl_sqrti() for which the
+resulting error is < 10%
+

+
Since 1.0

+

+

+

+
COGL_SQRTI_ARG_5_PERCENT

+
#define COGL_SQRTI_ARG_5_PERCENT 210
+

+

+Maximum argument that can be passed to cogl_sqrti() for which the
+resulting error is < 5%
+

+
Since 1.0

+

+

+

+
COGL_SQRTI_ARG_MAX

+
#define COGL_SQRTI_ARG_MAX 0x3fffff
+

+

+Maximum argument that can be passed to cogl_sqrti() function.
+

+
Since 1.0

+

+

+

+
cogl_sqrti ()

+
int                 cogl_sqrti                          (int x);

+

+Very fast fixed point implementation of square root for integers.
+

+

+This function is at least 6x faster than clib sqrt() on x86, and (this is
+not a typo!) about 500x faster on ARM without FPU. It's error is less than
+5% for arguments smaller than COGL_SQRTI_ARG_5_PERCENT and less than 10%
+for narguments smaller than COGL_SQRTI_ARG_10_PERCENT. The maximum
+argument that can be passed to this function is COGL_SQRTI_ARG_MAX.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




x :
integer value
Returns :
integer square root.

+
Since 1.0

+

+

+

+
cogl_fixed_atan2 ()

+
CoglFixed           cogl_fixed_atan2                    (CoglFixed a,
+                                                         CoglFixed b);

+

+Computes the arc tangent of a / b but uses the sign of both
+arguments to return the angle in right quadrant.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




a :
the numerator as a CoglFixed number
b :
the denominator as a CoglFixed number
Returns :
the arc tangent of the passed fraction, in fixed point
+notation

+
Since 1.0

+

+

+

+
cogl_fixed_atan ()

+
CoglFixed           cogl_fixed_atan                     (CoglFixed a);

+

+Computes the arc tangent of a.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




a :
a CoglFixed number
Returns :
the arc tangent of the passed value, in fixed point notation

+
Since 1.0

+

+

+

+
cogl_fixed_cos ()

+
CoglFixed           cogl_fixed_cos                      (CoglFixed angle);

+

+Computes the cosine of angle.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




angle :
a CoglFixed number
Returns :
the cosine of the passed angle, in fixed point notation

+
Since 1.0

+

+

+

+
cogl_fixed_log2 ()

+
CoglFixed           cogl_fixed_log2                     (unsigned int x);

+

+Calculates base 2 logarithm.
+

+

+This function is some 2.5 times faster on x86, and over 12 times faster on
+fpu-less arm, than using libc log().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




x :
value to calculate base 2 logarithm from
Returns :
base 2 logarithm.

+
Since 1.0

+

+

+

+
cogl_fixed_pow ()

+
unsigned int        cogl_fixed_pow                      (unsigned int x,
+                                                         CoglFixed y);

+

+Calculates x to the y power.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x :
base
y :

+CoglFixed exponent
Returns :
the power of x to the y
+

+
Since 1.0

+

+

+

+
cogl_fixed_pow2 ()

+
unsigned int        cogl_fixed_pow2                     (CoglFixed x);

+

+Calculates 2 to the x power.
+

+

+This function is around 11 times faster on x86, and around 22 times faster
+on fpu-less arm than libc pow(2, x).
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




x :
a CoglFixed number
Returns :
the power of 2 to the passed value

+
Since 1.0

+

+

+

+
cogl_fixed_sin ()

+
CoglFixed           cogl_fixed_sin                      (CoglFixed angle);

+

+Computes the sine of angle.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




angle :
a CoglFixed number
Returns :
the sine of the passed angle, in fixed point notation

+
Since 1.0

+

+

+

+
cogl_fixed_sqrt ()

+
CoglFixed           cogl_fixed_sqrt                     (CoglFixed x);

+

+Computes the square root of x.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




x :
a CoglFixed number
Returns :
the square root of the passed value, in floating point
+notation

+
Since 1.0

+

+

+

+
cogl_fixed_tan ()

+
CoglFixed           cogl_fixed_tan                      (CoglFixed angle);

+

+Computes the tangent of angle.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




angle :
a CoglFixed number
Returns :
the tangent of the passed angle, in fixed point notation

+
Since 1.0

+

+

+

+
cogl_fixed_div ()

+
CoglFixed           cogl_fixed_div                      (CoglFixed a,
+                                                         CoglFixed b);

+

+

+

+
cogl_fixed_mul ()

+
CoglFixed           cogl_fixed_mul                      (CoglFixed a,
+                                                         CoglFixed b);

+

+

+

+
cogl_fixed_mul_div ()

+
CoglFixed           cogl_fixed_mul_div                  (CoglFixed a,
+                                                         CoglFixed b,
+                                                         CoglFixed c);

+

+

+

+
CoglAngle

+
typedef int32_t CoglAngle;
+

+

+Integer representation of an angle such that 1024 corresponds to
+full circle (i.e., 2 * pi).
+

+
Since 1.0

+

+

+

+
COGL_ANGLE_FROM_DEG()

+
#define COGL_ANGLE_FROM_DEG(x)  (COGL_FLOAT_TO_INT (((float)(x) * 1024.0f) / 360.0f))
+

+

+Converts an angle in degrees into a CoglAngle.
+

+

++++
+
+
+
+
+




x :
an angle in degrees in floating point notation

+
Since 1.0

+

+

+

+
COGL_ANGLE_FROM_DEGX()

+
#define COGL_ANGLE_FROM_DEGX(x) (COGL_FIXED_TO_INT ((((x) / 360) * 1024) + COGL_FIXED_0_5))
+

+

+Converts an angle in degrees into a CoglAngle.
+

+

++++
+
+
+
+
+




x :
an angle in degrees in fixed point notation

+
Since 1.0

+

+

+

+
COGL_ANGLE_TO_DEG()

+
#define COGL_ANGLE_TO_DEG(x)    (((float)(x) * 360.0) / 1024.0)
+

+

+Converts a CoglAngle into an angle in degrees, using floatint point
+notation.
+

+

++++
+
+
+
+
+




x :
a CoglAngle
+

+
Since 1.0

+

+

+

+
COGL_ANGLE_TO_DEGX()

+
#define COGL_ANGLE_TO_DEGX(x)   (COGL_FIXED_FROM_INT ((x) * 45) / 128)
+

+

+Converts a CoglAngle into an angle in degrees, using fixed point notation
+

+

++++
+
+
+
+
+




x :
a CoglAngle
+

+
Since 1.0

+

+

+

+
cogl_angle_cos ()

+
CoglFixed           cogl_angle_cos                      (CoglAngle angle);

+

+Computes the cosine of angle
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




angle :
an angle expressed using CoglAngle
+
Returns :
the cosine of the passed angle

+
Since 1.0

+

+

+

+
cogl_angle_sin ()

+
CoglFixed           cogl_angle_sin                      (CoglAngle angle);

+

+Computes the sine of angle
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




angle :
an angle expressed using CoglAngle
+
Returns :
the sine of the passed angle

+
Since 1.0

+

+

+

+
cogl_angle_tan ()

+
CoglFixed           cogl_angle_tan                      (CoglAngle angle);

+

+Computes the tangent of angle
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




angle :
an angle expressed using CoglAngle
+
Returns :
the tangent of the passed angle

+
Since 1.0

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-GType-Integration-API.html b/doc/reference/cogl/html/cogl-GType-Integration-API.html
new file mode 100644
index 0000000..2610341
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-GType-Integration-API.html
@@ -0,0 +1,74 @@
+
+
+
+
+GType Integration API
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
GType Integration API

+
GType Integration API

+

+

+
Synopsis

+
GType               cogl_gtype_matrix_get_type          (void);
+

+

+

+
Description

+

+

+
Details

+

+
cogl_gtype_matrix_get_type ()

+
GType               cogl_gtype_matrix_get_type          (void);

+

+
Warning

+
cogl_gtype_matrix_get_type has been deprecated since version 1.18 and should not be used in newly-written code. Use cogl_matrix_get_gtype() instead.

+

+

++++
+
+
+
+
+




Returns :
the GType for the registered "CoglMatrix" boxed type. This
+can be used for example to define GObject properties that accept a
+CoglMatrix value.

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-General-API-(Deprecated).html b/doc/reference/cogl/html/cogl-General-API-(Deprecated).html
new file mode 100644
index 0000000..06e5d62
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-General-API-(Deprecated).html
@@ -0,0 +1,284 @@
+
+
+
+
+General API (Deprecated)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
General API (Deprecated)

+
General API (Deprecated)

+

+

+
Synopsis

+
CoglBool            cogl_check_extension                (const char *name,
+                                                         const char *ext);
+void                cogl_viewport                       (unsigned int width,
+                                                         unsigned int height);
+void                cogl_get_bitmasks                   (int *red,
+                                                         int *green,
+                                                         int *blue,
+                                                         int *alpha);
+void                cogl_set_depth_test_enabled         (CoglBool setting);
+CoglBool            cogl_get_depth_test_enabled         (void);
+

+

+

+
Description

+

+

+
Details

+

+
cogl_check_extension ()

+
CoglBool            cogl_check_extension                (const char *name,
+                                                         const char *ext);

+

+
Warning

+
cogl_check_extension has been deprecated since version 1.2 and should not be used in newly-written code. OpenGL is an implementation detail for Cogl and so it's
+  not appropriate to expose OpenGL extensions through the Cogl API. This
+  function can be replaced by the following equivalent code:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+CoglBool retval = (strstr (ext, name) != NULL) ? TRUE : FALSE;

+

+
+

+

+Check whether name occurs in list of extensions in ext.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




name :
extension to check for
ext :
list of extensions
Returns :

+TRUE if the extension occurs in the list, FALSE otherwise.

+

+

+

+
cogl_viewport ()

+
void                cogl_viewport                       (unsigned int width,
+                                                         unsigned int height);

+

+
Warning

+
cogl_viewport has been deprecated since version 1.8 and should not be used in newly-written code. Use cogl_framebuffer_set_viewport instead

+

+

+Replace the current viewport with the given values.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




width :
Width of the viewport
height :
Height of the viewport

+
Since 0.8.2

+

+

+

+
cogl_get_bitmasks ()

+
void                cogl_get_bitmasks                   (int *red,
+                                                         int *green,
+                                                         int *blue,
+                                                         int *alpha);

+

+
Warning

+
cogl_get_bitmasks has been deprecated since version 1.8 and should not be used in newly-written code. Use cogl_framebuffer_get_red/green/blue/alpha_bits()
+                 instead

+

+

+Gets the number of bitplanes used for each of the color components
+in the color buffer. Pass NULL for any of the arguments if the
+value is not required.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




red :
Return location for the number of red bits or NULL. [out]
+
green :
Return location for the number of green bits or NULL. [out]
+
blue :
Return location for the number of blue bits or NULL. [out]
+
alpha :
Return location for the number of alpha bits or NULL. [out]
+

+

+

+

+
cogl_set_depth_test_enabled ()

+
void                cogl_set_depth_test_enabled         (CoglBool setting);

+

+
Warning

+
cogl_set_depth_test_enabled has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_depth_state() instead

+

+

+Sets whether depth testing is enabled. If it is disabled then the
+order that actors are layered on the screen depends solely on the
+order specified using clutter_actor_raise() and
+clutter_actor_lower(), otherwise it will also take into account the
+actor's depth. Depth testing is disabled by default.
+

+

++++
+
+
+
+
+




setting :

+TRUE to enable depth testing or FALSE to disable.

+

+

+

+
cogl_get_depth_test_enabled ()

+
CoglBool            cogl_get_depth_test_enabled         (void);

+

+
Warning

+
cogl_get_depth_test_enabled has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_depth_state() instead

+

+

+Queries if depth testing has been enabled via cogl_set_depth_test_enable()
+

+

++++
+
+
+
+
+




Returns :

+TRUE if depth testing is enabled, and FALSE otherwise

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-General-API.html b/doc/reference/cogl/html/cogl-General-API.html
new file mode 100644
index 0000000..7f1ac45
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-General-API.html
@@ -0,0 +1,2784 @@
+
+
+
+
+General API
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
General API

+
General API — General purpose API

+

+

+
Synopsis

+
                    CoglObject;
+void *              cogl_object_ref                     (void *object);
+void                cogl_object_unref                   (void *object);
+                    CoglUserDataKey;
+void *              cogl_object_get_user_data           (CoglObject *object,
+                                                         CoglUserDataKey *key);
+void                cogl_object_set_user_data           (CoglObject *object,
+                                                         CoglUserDataKey *key,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);
+#define             COGL_INVALID_HANDLE
+typedef             CoglHandle;
+CoglHandle          cogl_handle_ref                     (CoglHandle handle);
+void                cogl_handle_unref                   (CoglHandle handle);
+
+void                (*CoglFuncPtr)                      (void);
+enum                CoglPixelFormat;
+enum                CoglBufferTarget;
+enum                CoglBufferBit;
+enum                CoglAttributeType;
+
+enum                CoglFeatureFlags;
+CoglFeatureFlags    cogl_get_features                   (void);
+CoglBool            cogl_features_available             (CoglFeatureFlags features);
+CoglFuncPtr         cogl_get_proc_address               (const char *name);
+GOptionGroup *      cogl_get_option_group               (void);
+
+void                cogl_push_matrix                    (void);
+void                cogl_pop_matrix                     (void);
+void                cogl_scale                          (float x,
+                                                         float y,
+                                                         float z);
+void                cogl_translate                      (float x,
+                                                         float y,
+                                                         float z);
+void                cogl_rotate                         (float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_transform                      (const CoglMatrix *matrix);
+void                cogl_frustum                        (float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_perspective                    (float fovy,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_ortho                          (float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float near,
+                                                         float far);
+
+void                cogl_get_modelview_matrix           (CoglMatrix *matrix);
+void                cogl_set_modelview_matrix           (CoglMatrix *matrix);
+void                cogl_get_projection_matrix          (CoglMatrix *matrix);
+void                cogl_set_projection_matrix          (CoglMatrix *matrix);
+void                cogl_set_viewport                   (int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);
+void                cogl_get_viewport                   (float v[4]);
+
+void                cogl_clear                          (const CoglColor *color,
+                                                         unsigned long  buffers);
+void                cogl_set_backface_culling_enabled   (CoglBool setting);
+CoglBool            cogl_get_backface_culling_enabled   (void);
+
+enum                CoglFogMode;
+void                cogl_set_fog                        (const CoglColor *fog_color,
+                                                         CoglFogMode mode,
+                                                         float density,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_disable_fog                    (void);
+
+void                cogl_set_source                     (void *material);
+void                cogl_set_source_color               (const CoglColor *color);
+void                cogl_set_source_color4ub            (uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);
+void                cogl_set_source_color4f             (float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+void                cogl_set_source_texture             (CoglTexture *texture);
+void *              cogl_get_source                     (void);
+void                cogl_push_source                    (void *material);
+void                cogl_pop_source                     (void);
+
+enum                CoglReadPixelsFlags;
+void                cogl_read_pixels                    (int x,
+                                                         int y,
+                                                         int width,
+                                                         int height,
+                                                         CoglReadPixelsFlags source,
+                                                         CoglPixelFormat format,
+                                                         uint8_t *pixels);
+
+void                cogl_flush                          (void);
+void                cogl_begin_gl                       (void);
+void                cogl_end_gl                         (void);
+

+

+

+
Description

+

+General utility functions for COGL.
+

+

+

+
Details

+

+
CoglObject

+
typedef struct _CoglObject CoglObject;

+

+Ref Func: cogl_object_ref
+Unref Func: cogl_object_unref
+Set Value Func: cogl_object_value_set_object
+Get Value Func: cogl_object_value_get_object
+

+

+

+

+
cogl_object_ref ()

+
void *              cogl_object_ref                     (void *object);

+

+Increases the reference count of object by 1
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
a CoglObject
+
Returns :
the object, with its reference count increased

+

+

+

+
cogl_object_unref ()

+
void                cogl_object_unref                   (void *object);

+

+Drecreases the reference count of object by 1; if the reference
+count reaches 0, the resources allocated by object will be freed
+

+

++++
+
+
+
+
+




object :
a CoglObject
+

+

+

+

+
CoglUserDataKey

+
typedef struct {
+  int unused;
+} CoglUserDataKey;
+

+

+A CoglUserDataKey is used to declare a key for attaching data to a
+CoglObject using cogl_object_set_user_data. The typedef only exists as a
+formality to make code self documenting since only the unique address of a
+CoglUserDataKey is used.
+

+

+Typically you would declare a static CoglUserDataKey and set private data
+on an object something like this:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40

+
+
+
+
+
+
+
+
+
+
+
+
+static CoglUserDataKey path_private_key;
+
+static void
+destroy_path_private_cb (void *data)
+{
+  g_free (data);
+}
+
+static void
+my_path_set_data (CoglPath *path, void *data)
+{
+  cogl_object_set_user_data (COGL_OBJECT (path),
+                             &private_key,
+                             data,
+                             destroy_path_private_cb);
+}

+

+
+

+

+

++++
+
+
+
+
+




int unused;
ignored.

+
Since 1.4

+

+

+

+
cogl_object_get_user_data ()

+
void *              cogl_object_get_user_data           (CoglObject *object,
+                                                         CoglUserDataKey *key);

+

+Finds the user data previously associated with object using
+the given key. If no user data has been associated with object
+for the given key this function returns NULL.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




object :
The object with associated private data to query
key :
The address of a CoglUserDataKey which provides a unique value
+with which to index the private data.
Returns :
The user data previously associated
+with object using the given key; or NULL if no associated
+data is found. [transfer none]
+

+
Since 1.4

+

+

+

+
cogl_object_set_user_data ()

+
void                cogl_object_set_user_data           (CoglObject *object,
+                                                         CoglUserDataKey *key,
+                                                         void *user_data,
+                                                         CoglUserDataDestroyCallback destroy);

+

+Associates some private user_data with a given CoglObject. To
+later remove the association call cogl_object_set_user_data() with
+the same key but NULL for the user_data.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




object :
The object to associate private data with
key :
The address of a CoglUserDataKey which provides a unique value
+with which to index the private data.
user_data :
The data to associate with the given object,
+or NULL to remove a previous association.
destroy :
A CoglUserDataDestroyCallback to call if the object is
+destroyed or if the association is removed by later setting
+NULL data for the same key.

+
Since 1.4

+

+

+

+
COGL_INVALID_HANDLE

+
#define COGL_INVALID_HANDLE NULL
+

+

+A COGL handle that is not valid, used for unitialized handles as well as
+error conditions.
+

+

+

+

+
CoglHandle

+
typedef void * CoglHandle;
+

+

+Type used for storing references to cogl objects, the CoglHandle is
+a fully opaque type without any public data members.
+

+

+

+

+
cogl_handle_ref ()

+
CoglHandle          cogl_handle_ref                     (CoglHandle handle);

+

+Increases the reference count of handle by 1
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
a CoglHandle
+
Returns :
the handle, with its reference count increased. [transfer none]
+

+

+

+

+
cogl_handle_unref ()

+
void                cogl_handle_unref                   (CoglHandle handle);

+

+Drecreases the reference count of handle by 1; if the reference
+count reaches 0, the resources allocated by handle will be freed
+

+

++++
+
+
+
+
+




handle :
a CoglHandle
+

+

+

+

+
CoglFuncPtr ()

+
void                (*CoglFuncPtr)                      (void);

+

+The type used by cogl for function pointers, note that this type
+is used as a generic catch-all cast for function pointers and the
+actual arguments and return type may be different.
+

+

+

+

+
enum CoglPixelFormat

+
typedef enum {
+ /*< prefix=COGL_PIXEL_FORMAT >*/
+  COGL_PIXEL_FORMAT_ANY           = 0,
+  COGL_PIXEL_FORMAT_A_8           = 1 | COGL_A_BIT,
+
+  COGL_PIXEL_FORMAT_RGB_565       = 4,
+  COGL_PIXEL_FORMAT_RGBA_4444     = 5 | COGL_A_BIT,
+  COGL_PIXEL_FORMAT_RGBA_5551     = 6 | COGL_A_BIT,
+  COGL_PIXEL_FORMAT_YUV           = 7,
+  COGL_PIXEL_FORMAT_G_8           = 8,
+
+  COGL_PIXEL_FORMAT_RG_88         = 9,
+
+  COGL_PIXEL_FORMAT_RGB_888       = 2,
+  COGL_PIXEL_FORMAT_BGR_888       = (2 | COGL_BGR_BIT),
+
+  COGL_PIXEL_FORMAT_RGBA_8888     = (3 | COGL_A_BIT),
+  COGL_PIXEL_FORMAT_BGRA_8888     = (3 | COGL_A_BIT | COGL_BGR_BIT),
+  COGL_PIXEL_FORMAT_ARGB_8888     = (3 | COGL_A_BIT | COGL_AFIRST_BIT),
+  COGL_PIXEL_FORMAT_ABGR_8888     = (3 | COGL_A_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT),
+
+  COGL_PIXEL_FORMAT_RGBA_1010102  = (13 | COGL_A_BIT),
+  COGL_PIXEL_FORMAT_BGRA_1010102  = (13 | COGL_A_BIT | COGL_BGR_BIT),
+  COGL_PIXEL_FORMAT_ARGB_2101010  = (13 | COGL_A_BIT | COGL_AFIRST_BIT),
+  COGL_PIXEL_FORMAT_ABGR_2101010  = (13 | COGL_A_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT),
+
+  COGL_PIXEL_FORMAT_RGBA_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_BGRA_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT | COGL_BGR_BIT),
+  COGL_PIXEL_FORMAT_ARGB_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT | COGL_AFIRST_BIT),
+  COGL_PIXEL_FORMAT_ABGR_8888_PRE = (3 | COGL_A_BIT | COGL_PREMULT_BIT | COGL_BGR_BIT | COGL_AFIRST_BIT),
+  COGL_PIXEL_FORMAT_RGBA_4444_PRE = (COGL_PIXEL_FORMAT_RGBA_4444 | COGL_A_BIT | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_RGBA_5551_PRE = (COGL_PIXEL_FORMAT_RGBA_5551 | COGL_A_BIT | COGL_PREMULT_BIT),
+
+  COGL_PIXEL_FORMAT_RGBA_1010102_PRE = (COGL_PIXEL_FORMAT_RGBA_1010102 | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_BGRA_1010102_PRE = (COGL_PIXEL_FORMAT_BGRA_1010102 | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_ARGB_2101010_PRE = (COGL_PIXEL_FORMAT_ARGB_2101010 | COGL_PREMULT_BIT),
+  COGL_PIXEL_FORMAT_ABGR_2101010_PRE = (COGL_PIXEL_FORMAT_ABGR_2101010 | COGL_PREMULT_BIT),
+
+  COGL_PIXEL_FORMAT_DEPTH_16  = (9 | COGL_DEPTH_BIT),
+  COGL_PIXEL_FORMAT_DEPTH_32  = (3 | COGL_DEPTH_BIT),
+
+  COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8 = (3 | COGL_DEPTH_BIT | COGL_STENCIL_BIT)
+} CoglPixelFormat;
+

+

+Pixel formats used by Cogl. For the formats with a byte per
+component, the order of the components specify the order in
+increasing memory addresses. So for example
+COGL_PIXEL_FORMAT_RGB_888 would have the red component in the
+lowest address, green in the next address and blue after that
+regardless of the endianness of the system.
+

+

+For the formats with non byte aligned components the component
+order specifies the order within a 16-bit or 32-bit number from
+most significant bit to least significant. So for
+COGL_PIXEL_FORMAT_RGB_565, the red component would be in bits
+11-15, the green component would be in 6-11 and the blue component
+would be in 1-5. Therefore the order in memory depends on the
+endianness of the system.
+

+

+When uploading a texture COGL_PIXEL_FORMAT_ANY can be used as the
+internal format. Cogl will try to pick the best format to use
+internally and convert the texture data if necessary.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_PIXEL_FORMAT_ANY
Any format
+
COGL_PIXEL_FORMAT_A_8
8 bits alpha mask
+
COGL_PIXEL_FORMAT_RGB_565
RGB, 16 bits
+
COGL_PIXEL_FORMAT_RGBA_4444
RGBA, 16 bits
+
COGL_PIXEL_FORMAT_RGBA_5551
RGBA, 16 bits
+
COGL_PIXEL_FORMAT_YUV
Not currently supported
+
COGL_PIXEL_FORMAT_G_8
Single luminance component
+
COGL_PIXEL_FORMAT_RG_88
RG, 16 bits. Note that red-green textures
+  are only available if COGL_FEATURE_ID_TEXTURE_RG is advertised.
+  See cogl_texture_set_components() for details.
+
COGL_PIXEL_FORMAT_RGB_888
RGB, 24 bits
+
COGL_PIXEL_FORMAT_BGR_888
BGR, 24 bits
+
COGL_PIXEL_FORMAT_RGBA_8888
RGBA, 32 bits
+
COGL_PIXEL_FORMAT_BGRA_8888
BGRA, 32 bits
+
COGL_PIXEL_FORMAT_ARGB_8888
ARGB, 32 bits
+
COGL_PIXEL_FORMAT_ABGR_8888
ABGR, 32 bits
+
COGL_PIXEL_FORMAT_RGBA_1010102
RGBA, 32 bits, 10 bpc
+
COGL_PIXEL_FORMAT_BGRA_1010102
BGRA, 32 bits, 10 bpc
+
COGL_PIXEL_FORMAT_ARGB_2101010
ARGB, 32 bits, 10 bpc
+
COGL_PIXEL_FORMAT_ABGR_2101010
ABGR, 32 bits, 10 bpc
+
COGL_PIXEL_FORMAT_RGBA_8888_PRE
Premultiplied RGBA, 32 bits
+
COGL_PIXEL_FORMAT_BGRA_8888_PRE
Premultiplied BGRA, 32 bits
+
COGL_PIXEL_FORMAT_ARGB_8888_PRE
Premultiplied ARGB, 32 bits
+
COGL_PIXEL_FORMAT_ABGR_8888_PRE
Premultiplied ABGR, 32 bits
+
COGL_PIXEL_FORMAT_RGBA_4444_PRE
Premultiplied RGBA, 16 bits
+
COGL_PIXEL_FORMAT_RGBA_5551_PRE
Premultiplied RGBA, 16 bits
+
COGL_PIXEL_FORMAT_RGBA_1010102_PRE
Premultiplied RGBA, 32 bits, 10 bpc
+
COGL_PIXEL_FORMAT_BGRA_1010102_PRE
Premultiplied BGRA, 32 bits, 10 bpc
+
COGL_PIXEL_FORMAT_ARGB_2101010_PRE
Premultiplied ARGB, 32 bits, 10 bpc
+
COGL_PIXEL_FORMAT_ABGR_2101010_PRE
Premultiplied ABGR, 32 bits, 10 bpc
+
COGL_PIXEL_FORMAT_DEPTH_16
COGL_PIXEL_FORMAT_DEPTH_32
COGL_PIXEL_FORMAT_DEPTH_24_STENCIL_8

+
Since 0.8

+

+

+

+
enum CoglBufferTarget

+
typedef enum {
+  COGL_WINDOW_BUFFER      = (1 << 1),
+  COGL_OFFSCREEN_BUFFER   = (1 << 2)
+} CoglBufferTarget;
+

+

+Target flags for FBOs.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




COGL_WINDOW_BUFFER
FIXME
+
COGL_OFFSCREEN_BUFFER
FIXME
+

+
Since 0.8

+

+

+

+
enum CoglBufferBit

+
typedef enum {
+  COGL_BUFFER_BIT_COLOR   = 1L<<0,
+  COGL_BUFFER_BIT_DEPTH   = 1L<<1,
+  COGL_BUFFER_BIT_STENCIL = 1L<<2
+} CoglBufferBit;
+

+

+Types of auxiliary buffers
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_BUFFER_BIT_COLOR
Selects the primary color buffer
+
COGL_BUFFER_BIT_DEPTH
Selects the depth buffer
+
COGL_BUFFER_BIT_STENCIL
Selects the stencil buffer
+

+
Since 1.0

+

+

+

+
enum CoglAttributeType

+
typedef enum {
+  COGL_ATTRIBUTE_TYPE_BYTE           = 0x1400,
+  COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE  = 0x1401,
+  COGL_ATTRIBUTE_TYPE_SHORT          = 0x1402,
+  COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT = 0x1403,
+  COGL_ATTRIBUTE_TYPE_FLOAT          = 0x1406
+} CoglAttributeType;
+

+

+Data types for the components of a vertex attribute.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_ATTRIBUTE_TYPE_BYTE
Data is the same size of a byte
+
COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE
Data is the same size of an
+  unsigned byte
+
COGL_ATTRIBUTE_TYPE_SHORT
Data is the same size of a short integer
+
COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT
Data is the same size of
+  an unsigned short integer
+
COGL_ATTRIBUTE_TYPE_FLOAT
Data is the same size of a float
+

+
Since 1.0

+

+

+

+
enum CoglFeatureFlags

+
typedef enum {
+  COGL_FEATURE_TEXTURE_RECTANGLE      = (1 << 1),
+  COGL_FEATURE_TEXTURE_NPOT           = (1 << 2),
+  COGL_FEATURE_TEXTURE_YUV            = (1 << 3),
+  COGL_FEATURE_TEXTURE_READ_PIXELS    = (1 << 4),
+  COGL_FEATURE_SHADERS_GLSL           = (1 << 5),
+  COGL_FEATURE_OFFSCREEN              = (1 << 6),
+  COGL_FEATURE_OFFSCREEN_MULTISAMPLE  = (1 << 7),
+  COGL_FEATURE_OFFSCREEN_BLIT         = (1 << 8),
+  COGL_FEATURE_FOUR_CLIP_PLANES       = (1 << 9),
+  COGL_FEATURE_STENCIL_BUFFER         = (1 << 10),
+  COGL_FEATURE_VBOS		      = (1 << 11),
+  COGL_FEATURE_PBOS		      = (1 << 12),
+  COGL_FEATURE_UNSIGNED_INT_INDICES   = (1 << 13),
+  COGL_FEATURE_DEPTH_RANGE            = (1 << 14),
+  COGL_FEATURE_TEXTURE_NPOT_BASIC     = (1 << 15),
+  COGL_FEATURE_TEXTURE_NPOT_MIPMAP    = (1 << 16),
+  COGL_FEATURE_TEXTURE_NPOT_REPEAT    = (1 << 17),
+  COGL_FEATURE_POINT_SPRITE           = (1 << 18),
+  COGL_FEATURE_TEXTURE_3D             = (1 << 19),
+  COGL_FEATURE_SHADERS_ARBFP          = (1 << 20),
+  COGL_FEATURE_MAP_BUFFER_FOR_READ    = (1 << 21),
+  COGL_FEATURE_MAP_BUFFER_FOR_WRITE   = (1 << 22),
+  COGL_FEATURE_ONSCREEN_MULTIPLE      = (1 << 23),
+  COGL_FEATURE_DEPTH_TEXTURE          = (1 << 24)
+} CoglFeatureFlags;
+

+

+Flags for the supported features.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_FEATURE_TEXTURE_RECTANGLE
ARB_texture_rectangle support
+
COGL_FEATURE_TEXTURE_NPOT
Non power of two textures are supported
+   by the hardware. This is a equivalent to the
+   COGL_FEATURE_TEXTURE_NPOT_BASIC, COGL_FEATURE_TEXTURE_NPOT_MIPMAP
+   and COGL_FEATURE_TEXTURE_NPOT_REPEAT features combined.
+
COGL_FEATURE_TEXTURE_YUV
ycbcr conversion support
+
COGL_FEATURE_TEXTURE_READ_PIXELS
glReadPixels() support
+
COGL_FEATURE_SHADERS_GLSL
GLSL support
+
COGL_FEATURE_OFFSCREEN
FBO support
+
COGL_FEATURE_OFFSCREEN_MULTISAMPLE
Multisample support on FBOs
+
COGL_FEATURE_OFFSCREEN_BLIT
Blit support on FBOs
+
COGL_FEATURE_FOUR_CLIP_PLANES
At least 4 clip planes available
+
COGL_FEATURE_STENCIL_BUFFER
Stencil buffer support
+
COGL_FEATURE_VBOS
VBO support
+
COGL_FEATURE_PBOS
PBO support
+
COGL_FEATURE_UNSIGNED_INT_INDICES
Set if
+    COGL_INDICES_TYPE_UNSIGNED_INT is supported in
+    cogl_vertex_buffer_indices_new().
+
COGL_FEATURE_DEPTH_RANGE
cogl_material_set_depth_range() support
+
COGL_FEATURE_TEXTURE_NPOT_BASIC
The hardware supports non power
+    of two textures, but you also need to check the
+    COGL_FEATURE_TEXTURE_NPOT_MIPMAP and COGL_FEATURE_TEXTURE_NPOT_REPEAT
+    features to know if the hardware supports npot texture mipmaps
+    or repeat modes other than
+    COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE respectively.
+
COGL_FEATURE_TEXTURE_NPOT_MIPMAP
Mipmapping is supported in
+    conjuntion with non power of two textures.
+
COGL_FEATURE_TEXTURE_NPOT_REPEAT
Repeat modes other than
+    COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE are supported by the
+    hardware.
+
COGL_FEATURE_POINT_SPRITE
Whether
+    cogl_material_set_layer_point_sprite_coords_enabled() is supported.
+
COGL_FEATURE_TEXTURE_3D
3D texture support
+
COGL_FEATURE_SHADERS_ARBFP
ARBFP support
+
COGL_FEATURE_MAP_BUFFER_FOR_READ
Whether cogl_buffer_map() is
+    supported with CoglBufferAccess including read support.
+
COGL_FEATURE_MAP_BUFFER_FOR_WRITE
Whether cogl_buffer_map() is
+    supported with CoglBufferAccess including write support.
+
COGL_FEATURE_ONSCREEN_MULTIPLE
COGL_FEATURE_DEPTH_TEXTURE
Whether CoglFramebuffer support rendering the
+    depth buffer to a texture.
+

+
Since 0.8

+

+

+

+
cogl_get_features ()

+
CoglFeatureFlags    cogl_get_features                   (void);

+

+
Warning

+
cogl_get_features has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_foreach_feature() instead

+

+

+Returns all of the features supported by COGL.
+

+

++++
+
+
+
+
+




Returns :
A logical OR of all the supported COGL features.

+
Since 0.8

+

+

+

+
cogl_features_available ()

+
CoglBool            cogl_features_available             (CoglFeatureFlags features);

+

+
Warning

+
cogl_features_available has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_has_feature() instead

+

+

+Checks whether the given COGL features are available. Multiple
+features can be checked for by or-ing them together with the '|'
+operator. TRUE is only returned if all of the requested features
+are available.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




features :
A bitmask of features to check for
Returns :

+TRUE if the features are available, FALSE otherwise.

+

+

+

+
cogl_get_proc_address ()

+
CoglFuncPtr         cogl_get_proc_address               (const char *name);

+

+Gets a pointer to a given GL or GL ES extension function. This acts
+as a wrapper around glXGetProcAddress() or whatever is the
+appropriate function for the current backend.
+

+

+

+

+
Note
This function should not be used to query core opengl API
+symbols since eglGetProcAddress for example doesn't allow this and
+and may return a junk pointer if you do.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




name :
the name of the function.
Returns :
a pointer to the requested function or NULL if the
+function is not available.

+

+

+

+
cogl_get_option_group ()

+
GOptionGroup *      cogl_get_option_group               (void);

+

+
Warning

+
cogl_get_option_group has been deprecated since version 1.16 and should not be used in newly-written code. Not replaced

+

+

+Retrieves the GOptionGroup used by Cogl to parse the command
+line options. Clutter uses this to handle the Cogl command line
+options during its initialization process.
+

+

++++
+
+
+
+
+




Returns :
a GOptionGroup
+

+
Since 1.0

+

+

+

+
cogl_push_matrix ()

+
void                cogl_push_matrix                    (void);

+

+
Warning

+
cogl_push_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_push_matrix() instead

+

+

+Stores the current model-view matrix on the matrix stack. The matrix
+can later be restored with cogl_pop_matrix().
+

+

+

+

+
cogl_pop_matrix ()

+
void                cogl_pop_matrix                     (void);

+

+
Warning

+
cogl_pop_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_pop_matrix() instead

+

+

+Restores the current model-view matrix from the matrix stack.
+

+

+

+

+
cogl_scale ()

+
void                cogl_scale                          (float x,
+                                                         float y,
+                                                         float z);

+

+
Warning

+
cogl_scale has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_pop_matrix() instead

+

+

+Multiplies the current model-view matrix by one that scales the x,
+y and z axes by the given values.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x :
Amount to scale along the x-axis
y :
Amount to scale along the y-axis
z :
Amount to scale along the z-axis

+

+

+

+
cogl_translate ()

+
void                cogl_translate                      (float x,
+                                                         float y,
+                                                         float z);

+

+
Warning

+
cogl_translate has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_translate() instead

+

+

+Multiplies the current model-view matrix by one that translates the
+model along all three axes according to the given values.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x :
Distance to translate along the x-axis
y :
Distance to translate along the y-axis
z :
Distance to translate along the z-axis

+

+

+

+
cogl_rotate ()

+
void                cogl_rotate                         (float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);

+

+
Warning

+
cogl_rotate has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_rotate() instead

+

+

+Multiplies the current model-view matrix by one that rotates the
+model around the vertex specified by x, y and z. The rotation
+follows the right-hand thumb rule so for example rotating by 10
+degrees about the vertex (0, 0, 1) causes a small counter-clockwise
+rotation.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




angle :
Angle in degrees to rotate.
x :
X-component of vertex to rotate around.
y :
Y-component of vertex to rotate around.
z :
Z-component of vertex to rotate around.

+

+

+

+
cogl_transform ()

+
void                cogl_transform                      (const CoglMatrix *matrix);

+

+
Warning

+
cogl_transform has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_transform() instead

+

+

+Multiplies the current model-view matrix by the given matrix.
+

+

++++
+
+
+
+
+




matrix :
the matrix to multiply with the current model-view

+
Since 1.4

+

+

+

+
cogl_frustum ()

+
void                cogl_frustum                        (float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);

+

+
Warning

+
cogl_frustum has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_frustum() instead

+

+

+Replaces the current projection matrix with a perspective matrix
+for a given viewing frustum defined by 4 side clip planes that
+all cross through the origin and 2 near and far clip planes.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




left :
X position of the left clipping plane where it
+intersects the near clipping plane
right :
X position of the right clipping plane where it
+intersects the near clipping plane
bottom :
Y position of the bottom clipping plane where it
+intersects the near clipping plane
top :
Y position of the top clipping plane where it intersects
+the near clipping plane
z_near :
The distance to the near clipping plane (Must be positive)
z_far :
The distance to the far clipping plane (Must be positive)

+
Since 0.8.2

+

+

+

+
cogl_perspective ()

+
void                cogl_perspective                    (float fovy,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);

+

+
Warning

+
cogl_perspective has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_perspective() instead

+

+

+Replaces the current projection matrix with a perspective matrix
+based on the provided values.
+

+

+

+

+
Note
You should be careful not to have to great a z_far / z_near
+ratio since that will reduce the effectiveness of depth testing
+since there wont be enough precision to identify the depth of
+objects near to each other.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




fovy :
Vertical field of view angle in degrees.
aspect :
The (width over height) aspect ratio for display
z_near :
The distance to the near clipping plane (Must be positive)
z_far :
The distance to the far clipping plane (Must be positive)

+

+

+

+
cogl_ortho ()

+
void                cogl_ortho                          (float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float near,
+                                                         float far);

+

+
Warning

+
cogl_ortho has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_orthographic() instead

+

+

+Replaces the current projection matrix with an orthographic projection
+matrix. See Figure 1, “” to see how the matrix is
+calculated.
+

+

+

+

+
Figure 1. 

+

+

+


+

+

+

+

+
Note
This function copies the arguments from OpenGL's glOrtho() even
+though they are unnecessarily confusing due to the z near and z far
+arguments actually being a "distance" from the origin, where
+negative values are behind the viewer, instead of coordinates for
+the z clipping planes which would have been consistent with the
+left, right bottom and top arguments.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




left :
The coordinate for the left clipping plane
right :
The coordinate for the right clipping plane
bottom :
The coordinate for the bottom clipping plane
top :
The coordinate for the top clipping plane
near :
The distance to the near clipping
+plane (negative if the plane is behind the viewer)
far :
The distance for the far clipping
+plane (negative if the plane is behind the viewer)

+
Since 1.0

+

+

+

+
cogl_get_modelview_matrix ()

+
void                cogl_get_modelview_matrix           (CoglMatrix *matrix);

+

+
Warning

+
cogl_get_modelview_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_get_modelview_matrix()
+                  instead

+

+

+Stores the current model-view matrix in matrix.
+

+

++++
+
+
+
+
+




matrix :
return location for the model-view matrix. [out]
+

+

+

+

+
cogl_set_modelview_matrix ()

+
void                cogl_set_modelview_matrix           (CoglMatrix *matrix);

+

+
Warning

+
cogl_set_modelview_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_set_modelview_matrix()
+                  instead

+

+

+Loads matrix as the new model-view matrix.
+

+

++++
+
+
+
+
+




matrix :
the new model-view matrix

+

+

+

+
cogl_get_projection_matrix ()

+
void                cogl_get_projection_matrix          (CoglMatrix *matrix);

+

+
Warning

+
cogl_get_projection_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_get_projection_matrix()
+                  instead

+

+

+Stores the current projection matrix in matrix.
+

+

++++
+
+
+
+
+




matrix :
return location for the projection matrix. [out]
+

+

+

+

+
cogl_set_projection_matrix ()

+
void                cogl_set_projection_matrix          (CoglMatrix *matrix);

+

+
Warning

+
cogl_set_projection_matrix has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_set_projection_matrix()
+                  instead

+

+

+Loads matrix as the new projection matrix.
+

+

++++
+
+
+
+
+




matrix :
the new projection matrix

+

+

+

+
cogl_set_viewport ()

+
void                cogl_set_viewport                   (int x,
+                                                         int y,
+                                                         int width,
+                                                         int height);

+

+
Warning

+
cogl_set_viewport has been deprecated since version 1.8 and should not be used in newly-written code. Use cogl_framebuffer_set_viewport() instead

+

+

+Replaces the current viewport with the given values.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x :
X offset of the viewport
y :
Y offset of the viewport
width :
Width of the viewport
height :
Height of the viewport

+
Since 1.2

+

+

+

+
cogl_get_viewport ()

+
void                cogl_get_viewport                   (float v[4]);

+

+
Warning

+
cogl_get_viewport has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_framebuffer_get_viewport4fv()
+                  instead

+

+

+Stores the current viewport in v. v[0] and v[1] get the x and y
+position of the viewport and v[2] and v[3] get the width and
+height.
+

+

++++
+
+
+
+
+




v :
pointer to a 4 element array
+of floats to receive the viewport dimensions. [out][array fixed-size=4]
+

+

+

+

+
cogl_clear ()

+
void                cogl_clear                          (const CoglColor *color,
+                                                         unsigned long  buffers);

+

+
Warning

+
cogl_clear has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_framebuffer_clear() api instead

+

+

+Clears all the auxiliary buffers identified in the buffers mask, and if
+that includes the color buffer then the specified color is used.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




color :
Background color to clear to
buffers :
A mask of CoglBufferBit's identifying which auxiliary
+buffers to clear

+

+

+

+
cogl_set_backface_culling_enabled ()

+
void                cogl_set_backface_culling_enabled   (CoglBool setting);

+

+
Warning

+
cogl_set_backface_culling_enabled has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_cull_face_mode() instead

+

+

+Sets whether textures positioned so that their backface is showing
+should be hidden. This can be used to efficiently draw two-sided
+textures or fully closed cubes without enabling depth testing. This
+only affects calls to the cogl_rectangle* family of functions and
+cogl_vertex_buffer_draw*. Backface culling is disabled by default.
+

+

++++
+
+
+
+
+




setting :

+TRUE to enable backface culling or FALSE to disable.

+

+

+

+
cogl_get_backface_culling_enabled ()

+
CoglBool            cogl_get_backface_culling_enabled   (void);

+

+
Warning

+
cogl_get_backface_culling_enabled has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_get_cull_face_mode() instead

+

+

+Queries if backface culling has been enabled via
+cogl_set_backface_culling_enabled()
+

+

++++
+
+
+
+
+




Returns :

+TRUE if backface culling is enabled, and FALSE otherwise

+

+

+

+
enum CoglFogMode

+
typedef enum {
+  COGL_FOG_MODE_LINEAR,
+  COGL_FOG_MODE_EXPONENTIAL,
+  COGL_FOG_MODE_EXPONENTIAL_SQUARED
+} CoglFogMode;
+

+

+The fog mode determines the equation used to calculate the fogging blend
+factor while fogging is enabled. The simplest COGL_FOG_MODE_LINEAR mode
+determines f as:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+f = end - eye_distance / end - start

+

+
+

+

+

+Where eye_distance is the distance of the current fragment in eye
+coordinates from the origin.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_FOG_MODE_LINEAR
Calculates the fog blend factor as:
+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+f = end - eye_distance / end - start

+

+
+
COGL_FOG_MODE_EXPONENTIAL
Calculates the fog blend factor as:
+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+f = e ^ -(density * eye_distance)

+

+
+
COGL_FOG_MODE_EXPONENTIAL_SQUARED
Calculates the fog blend factor as:
+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+f = e ^ -(density * eye_distance)^2

+

+
+

+
Since 1.0

+

+

+

+
cogl_set_fog ()

+
void                cogl_set_fog                        (const CoglColor *fog_color,
+                                                         CoglFogMode mode,
+                                                         float density,
+                                                         float z_near,
+                                                         float z_far);

+

+
Warning

+
cogl_set_fog has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet shader api for fog

+

+

+Enables fogging. Fogging causes vertices that are further away from the eye
+to be rendered with a different color. The color is determined according to
+the chosen fog mode; at it's simplest the color is linearly interpolated so
+that vertices at z_near are drawn fully with their original color and
+vertices at z_far are drawn fully with fog_color. Fogging will remain
+enabled until you call cogl_disable_fog().
+

+

+

+

+
Note
The fogging functions only work correctly when primitives use
+unmultiplied alpha colors. By default Cogl will premultiply textures
+and cogl_set_source_color() will premultiply colors, so unless you
+explicitly load your textures requesting an unmultiplied internal format
+and use cogl_material_set_color() you can only use fogging with fully
+opaque primitives. This might improve in the future when we can depend
+on fragment shaders.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




fog_color :
The color of the fog
mode :
A CoglFogMode that determines the equation used to calculate the
+fogging blend factor.
density :
Used by COGL_FOG_MODE_EXPONENTIAL and by
+COGL_FOG_MODE_EXPONENTIAL_SQUARED equations.
z_near :
Position along Z axis where no fogging should be applied
z_far :
Position along Z axis where full fogging should be applied

+

+

+

+
cogl_disable_fog ()

+
void                cogl_disable_fog                    (void);

+

+
Warning

+
cogl_disable_fog has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet shader api for fog

+

+

+This function disables fogging, so primitives drawn afterwards will not be
+blended with any previously set fog color.
+

+

+

+

+
cogl_set_source ()

+
void                cogl_set_source                     (void *material);

+

+
Warning

+
cogl_set_source has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This function changes the material at the top of the source stack.
+The material at the top of this stack defines the GPU state used to
+process subsequent primitives, such as rectangles drawn with
+cogl_rectangle() or vertices drawn using cogl_vertex_buffer_draw().
+

+

++++
+
+
+
+
+




material :
A CoglMaterial
+

+
Since 1.0

+

+

+

+
cogl_set_source_color ()

+
void                cogl_set_source_color               (const CoglColor *color);

+

+
Warning

+
cogl_set_source_color has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This is a convenience function for creating a solid fill source material
+from the given color. This color will be used for any subsequent drawing
+operation.
+

+

+The color will be premultiplied by Cogl, so the color should be
+non-premultiplied. For example: use (1.0, 0.0, 0.0, 0.5) for
+semi-transparent red.
+

+

+See also cogl_set_source_color4ub() and cogl_set_source_color4f()
+if you already have the color components.
+

+

++++
+
+
+
+
+




color :
a CoglColor
+

+
Since 1.0

+

+

+

+
cogl_set_source_color4ub ()

+
void                cogl_set_source_color4ub            (uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);

+

+
Warning

+
cogl_set_source_color4ub has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This is a convenience function for creating a solid fill source material
+from the given color using unsigned bytes for each component. This
+color will be used for any subsequent drawing operation.
+

+

+The value for each component is an unsigned byte in the range
+between 0 and 255.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




red :
value of the red channel, between 0 and 255
green :
value of the green channel, between 0 and 255
blue :
value of the blue channel, between 0 and 255
alpha :
value of the alpha channel, between 0 and 255

+
Since 1.0

+

+

+

+
cogl_set_source_color4f ()

+
void                cogl_set_source_color4f             (float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);

+

+
Warning

+
cogl_set_source_color4f has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This is a convenience function for creating a solid fill source material
+from the given color using normalized values for each component. This color
+will be used for any subsequent drawing operation.
+

+

+The value for each component is a fixed point number in the range
+between 0 and 1.0. If the values passed in are outside that
+range, they will be clamped.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




red :
value of the red channel, between 0 and 1.0
green :
value of the green channel, between 0 and 1.0
blue :
value of the blue channel, between 0 and 1.0
alpha :
value of the alpha channel, between 0 and 1.0

+
Since 1.0

+

+

+

+
cogl_set_source_texture ()

+
void                cogl_set_source_texture             (CoglTexture *texture);

+

+
Warning

+
cogl_set_source_texture has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+This is a convenience function for creating a material with the first
+layer set to texture and setting that material as the source with
+cogl_set_source.
+

+

+Note: There is no interaction between calls to cogl_set_source_color
+and cogl_set_source_texture. If you need to blend a texture with a color then
+you can create a simple material like this:
+

+
+material = cogl_material_new ();
+cogl_material_set_color4ub (material, 0xff, 0x00, 0x00, 0x80);
+cogl_material_set_layer (material, 0, tex_handle);
+cogl_set_source (material);
+

+

+

+

++++
+
+
+
+
+




texture :
The CoglTexture you want as your source

+
Since 1.0

+

+

+

+
cogl_get_source ()

+
void *              cogl_get_source                     (void);

+

+
Warning

+
cogl_get_source has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+Returns the current source material as previously set using
+cogl_set_source().
+

+

+

+

+
Note
You should typically consider the returned material immutable
+and not try to change any of its properties unless you own a
+reference to that material. At times you may be able to get a
+reference to an internally managed materials and the result of
+modifying such materials is undefined.

+

+

+

++++
+
+
+
+
+




Returns :
The current source material.

+
Since 1.6

+

+

+

+
cogl_push_source ()

+
void                cogl_push_source                    (void *material);

+

+
Warning

+
cogl_push_source has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+Pushes the given material to the top of the source stack. The
+material at the top of this stack defines the GPU state used to
+process later primitives as defined by cogl_set_source().
+

+

++++
+
+
+
+
+




material :
A CoglMaterial
+

+
Since 1.6

+

+

+

+
cogl_pop_source ()

+
void                cogl_pop_source                     (void);

+

+
Warning

+
cogl_pop_source has been deprecated since version 1.16 and should not be used in newly-written code. Latest drawing apis all take an explicit
+                  CoglPipeline argument so this stack of
+                  CoglMaterials shouldn't be used.

+

+

+Removes the material at the top of the source stack. The material
+at the top of this stack defines the GPU state used to process
+later primitives as defined by cogl_set_source().
+

+
Since 1.6

+

+

+

+
enum CoglReadPixelsFlags

+
typedef enum {
+ /*< prefix=COGL_READ_PIXELS >*/
+  COGL_READ_PIXELS_COLOR_BUFFER = 1L << 0
+} CoglReadPixelsFlags;
+

+

+Flags for cogl_framebuffer_read_pixels_into_bitmap()
+

+

++++
+
+
+
+
+




COGL_READ_PIXELS_COLOR_BUFFER
Read from the color buffer
+

+
Since 1.0

+

+

+

+
cogl_read_pixels ()

+
void                cogl_read_pixels                    (int x,
+                                                         int y,
+                                                         int width,
+                                                         int height,
+                                                         CoglReadPixelsFlags source,
+                                                         CoglPixelFormat format,
+                                                         uint8_t *pixels);

+

+
Warning

+
cogl_read_pixels has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_framebuffer_read_pixels() instead

+

+

+This reads a rectangle of pixels from the current framebuffer where
+position (0, 0) is the top left. The pixel at (x, y) is the first
+read, and the data is returned with a rowstride of (width * 4).
+

+

+Currently Cogl assumes that the framebuffer is in a premultiplied
+format so if format is non-premultiplied it will convert it. To
+read the pixel values without any conversion you should either
+specify a format that doesn't use an alpha channel or use one of
+the formats ending in PRE.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x :
The window x position to start reading from
y :
The window y position to start reading from
width :
The width of the rectangle you want to read
height :
The height of the rectangle you want to read
source :
Identifies which auxillary buffer you want to read
+(only COGL_READ_PIXELS_COLOR_BUFFER supported currently)
format :
The pixel format you want the result in
+(only COGL_PIXEL_FORMAT_RGBA_8888 supported currently)
pixels :
The location to write the pixel data.

+

+

+

+
cogl_flush ()

+
void                cogl_flush                          (void);

+

+This function should only need to be called in exceptional circumstances.
+

+

+As an optimization Cogl drawing functions may batch up primitives
+internally, so if you are trying to use raw GL outside of Cogl you stand a
+better chance of being successful if you ask Cogl to flush any batched
+geometry before making your state changes.
+

+

+It only ensure that the underlying driver is issued all the commands
+necessary to draw the batched primitives. It provides no guarantees about
+when the driver will complete the rendering.
+

+

+This provides no guarantees about the GL state upon returning and to avoid
+confusing Cogl you should aim to restore any changes you make before
+resuming use of Cogl.
+

+

+If you are making state changes with the intention of affecting Cogl drawing
+primitives you are 100% on your own since you stand a good chance of
+conflicting with Cogl internals. For example clutter-gst which currently
+uses direct GL calls to bind ARBfp programs will very likely break when Cogl
+starts to use ARBfb programs itself for the material API.
+

+
Since 1.0

+

+

+

+
cogl_begin_gl ()

+
void                cogl_begin_gl                       (void);

+

+
Warning

+
cogl_begin_gl has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglGLES2Context api instead

+

+

+We do not advise nor reliably support the interleaving of raw GL drawing and
+Cogl drawing functions, but if you insist, cogl_begin_gl() and cogl_end_gl()
+provide a simple mechanism that may at least give you a fighting chance of
+succeeding.
+

+

+Note: this doesn't help you modify the behaviour of Cogl drawing functions
+through the modification of GL state; that will never be reliably supported,
+but if you are trying to do something like:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30

+
+
+
+
+
+
+
+
+
+
+
+
+{
+   - setup some OpenGL state.
+   - draw using OpenGL (e.g. glDrawArrays() )
+   - reset modified OpenGL state.
+   - continue using Cogl to draw
+}

+

+
+

+

+

+You should surround blocks of drawing using raw GL with cogl_begin_gl()
+and cogl_end_gl():
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32

+
+
+
+
+
+
+
+
+
+
+
+
+{
+   cogl_begin_gl ();
+   - setup some OpenGL state.
+   - draw using OpenGL (e.g. glDrawArrays() )
+   - reset modified OpenGL state.
+   cogl_end_gl ();
+   - continue using Cogl to draw
+}

+

+
+

+

+

+Don't ever try and do:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28

+
+
+
+
+
+
+
+
+
+
+
+
+{
+   - setup some OpenGL state.
+   - use Cogl to draw
+   - reset modified OpenGL state.
+}

+

+
+

+

+

+When the internals of Cogl evolves, this is very liable to break.
+

+

+This function will flush all batched primitives, and subsequently flush
+all internal Cogl state to OpenGL as if it were going to draw something
+itself.
+

+

+The result is that the OpenGL modelview matrix will be setup; the state
+corresponding to the current source material will be set up and other world
+state such as backface culling, depth and fogging enabledness will be sent
+to OpenGL.
+

+

+

+

+
Note
No special material state is flushed, so if you want Cogl to setup a
+simplified material state it is your responsibility to set a simple source
+material before calling cogl_begin_gl(). E.g. by calling
+cogl_set_source_color4ub().

+

+

+

+

+

+
Note
It is your responsibility to restore any OpenGL state that you modify
+to how it was after calling cogl_begin_gl() if you don't do this then the
+result of further Cogl calls is undefined.

+

+

+

+

+

+
Note
You can not nest begin/end blocks.

+

+

+

+Again we would like to stress, we do not advise the use of this API and if
+possible we would prefer to improve Cogl than have developers require raw
+OpenGL.
+

+
Since 1.0

+

+

+

+
cogl_end_gl ()

+
void                cogl_end_gl                         (void);

+

+
Warning

+
cogl_end_gl has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglGLES2Context api instead

+

+

+This is the counterpart to cogl_begin_gl() used to delimit blocks of drawing
+code using raw OpenGL. Please refer to cogl_begin_gl() for full details.
+

+
Since 1.0

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Materials-(Deprecated).html b/doc/reference/cogl/html/cogl-Materials-(Deprecated).html
new file mode 100644
index 0000000..0f779f4
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Materials-(Deprecated).html
@@ -0,0 +1,157 @@
+
+
+
+
+Materials (Deprecated)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Materials (Deprecated)

+
Materials (Deprecated)

+

+

+
Synopsis

+
CoglHandle          cogl_material_ref                   (CoglHandle material);
+void                cogl_material_unref                 (CoglHandle material);
+const GList *       cogl_material_get_layers            (CoglMaterial *material);
+

+

+

+
Description

+

+

+
Details

+

+
cogl_material_ref ()

+
CoglHandle          cogl_material_ref                   (CoglHandle material);

+

+
Warning

+
cogl_material_ref has been deprecated since version 1.2 and should not be used in newly-written code. Use cogl_object_ref() instead

+

+

+Increment the reference count for a CoglMaterial.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
a CoglMaterial object.
Returns :
the material.

+
Since 1.0

+

+

+

+
cogl_material_unref ()

+
void                cogl_material_unref                 (CoglHandle material);

+

+
Warning

+
cogl_material_unref has been deprecated since version 1.2 and should not be used in newly-written code. Use cogl_object_unref() instead

+

+

+Decrement the reference count for a CoglMaterial.
+

+

++++
+
+
+
+
+




material :
a CoglMaterial object.

+
Since 1.0

+

+

+

+
cogl_material_get_layers ()

+
const GList *       cogl_material_get_layers            (CoglMaterial *material);

+

+
Warning

+
cogl_material_get_layers has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_get_layers() instead

+

+

+This function lets you access a material's internal list of layers
+for iteration.
+

+

+

+

+
Note
You should avoid using this API if possible since it was only
+made public by mistake and will be deprecated when we have
+suitable alternative.

+

+

+

+

+

+
Note
It's important to understand that the list returned may not
+remain valid if you modify the material or any of the layers in any
+way and so you would have to re-get the list in that
+situation.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
Returns :
A
+list of CoglMaterialLayer's that can be passed to the
+cogl_material_layer_* functions. The list is owned by Cogl and it
+should not be modified or freed. [element-type CoglMaterialLayer][transfer none]
+

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Materials.html b/doc/reference/cogl/html/cogl-Materials.html
new file mode 100644
index 0000000..6edc8e6
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Materials.html
@@ -0,0 +1,2705 @@
+
+
+
+
+Materials
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Materials

+
Materials — Fuctions for creating and manipulating materials

+

+

+
Synopsis

+
                    CoglMaterial;
+                    CoglMaterialLayer;
+CoglBool            (*CoglMaterialLayerCallback)        (CoglMaterial *material,
+                                                         int layer_index,
+                                                         void *user_data);
+CoglMaterial *      cogl_material_new                   (void);
+CoglMaterial *      cogl_material_copy                  (CoglMaterial *source);
+CoglBool            cogl_is_material                    (CoglHandle handle);
+void                cogl_material_set_color             (CoglMaterial *material,
+                                                         const CoglColor *color);
+void                cogl_material_set_color4ub          (CoglMaterial *material,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);
+void                cogl_material_set_color4f           (CoglMaterial *material,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);
+void                cogl_material_get_color             (CoglMaterial *material,
+                                                         CoglColor *color);
+void                cogl_material_set_ambient           (CoglMaterial *material,
+                                                         const CoglColor *ambient);
+void                cogl_material_get_ambient           (CoglMaterial *material,
+                                                         CoglColor *ambient);
+void                cogl_material_set_diffuse           (CoglMaterial *material,
+                                                         const CoglColor *diffuse);
+void                cogl_material_get_diffuse           (CoglMaterial *material,
+                                                         CoglColor *diffuse);
+void                cogl_material_set_ambient_and_diffuse
+                                                        (CoglMaterial *material,
+                                                         const CoglColor *color);
+void                cogl_material_set_emission          (CoglMaterial *material,
+                                                         const CoglColor *emission);
+void                cogl_material_get_emission          (CoglMaterial *material,
+                                                         CoglColor *emission);
+void                cogl_material_set_specular          (CoglMaterial *material,
+                                                         const CoglColor *specular);
+void                cogl_material_get_specular          (CoglMaterial *material,
+                                                         CoglColor *specular);
+void                cogl_material_set_shininess         (CoglMaterial *material,
+                                                         float shininess);
+float               cogl_material_get_shininess         (CoglMaterial *material);
+enum                CoglMaterialAlphaFunc;
+void                cogl_material_set_alpha_test_function
+                                                        (CoglMaterial *material,
+                                                         CoglMaterialAlphaFunc alpha_func,
+                                                         float alpha_reference);
+#define             COGL_BLEND_STRING_ERROR
+enum                CoglBlendStringError;
+CoglBool            cogl_material_set_blend             (CoglMaterial *material,
+                                                         const char *blend_string,
+                                                         CoglError **error);
+void                cogl_material_set_blend_constant    (CoglMaterial *material,
+                                                         const CoglColor *constant_color);
+void                cogl_material_set_point_size        (CoglMaterial *material,
+                                                         float point_size);
+float               cogl_material_get_point_size        (CoglMaterial *material);
+void                cogl_material_set_layer             (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglHandle texture);
+void                cogl_material_remove_layer          (CoglMaterial *material,
+                                                         int layer_index);
+CoglBool            cogl_material_set_layer_combine     (CoglMaterial *material,
+                                                         int layer_index,
+                                                         const char *blend_string,
+                                                         CoglError **error);
+void                cogl_material_set_layer_combine_constant
+                                                        (CoglMaterial *material,
+                                                         int layer_index,
+                                                         const CoglColor *constant);
+void                cogl_material_set_layer_matrix      (CoglMaterial *material,
+                                                         int layer_index,
+                                                         const CoglMatrix *matrix);
+CoglBool            cogl_material_set_layer_point_sprite_coords_enabled
+                                                        (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglBool enable,
+                                                         CoglError **error);
+CoglBool            cogl_material_get_layer_point_sprite_coords_enabled
+                                                        (CoglMaterial *material,
+                                                         int layer_index);
+int                 cogl_material_get_n_layers          (CoglMaterial *material);
+enum                CoglMaterialFilter;
+void                cogl_material_set_layer_filters     (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialFilter min_filter,
+                                                         CoglMaterialFilter mag_filter);
+enum                CoglMaterialLayerType;
+CoglMaterialLayerType cogl_material_layer_get_type      (CoglMaterialLayer *layer);
+CoglHandle          cogl_material_layer_get_texture     (CoglMaterialLayer *layer);
+CoglMaterialFilter  cogl_material_layer_get_min_filter  (CoglMaterialLayer *layer);
+CoglMaterialFilter  cogl_material_layer_get_mag_filter  (CoglMaterialLayer *layer);
+enum                CoglMaterialWrapMode;
+void                cogl_material_set_layer_wrap_mode   (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialWrapMode mode);
+void                cogl_material_set_layer_wrap_mode_s (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialWrapMode mode);
+void                cogl_material_set_layer_wrap_mode_t (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialWrapMode mode);
+void                cogl_material_set_layer_wrap_mode_p (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialWrapMode mode);
+CoglMaterialWrapMode cogl_material_get_layer_wrap_mode_s
+                                                        (CoglMaterial *material,
+                                                         int layer_index);
+CoglMaterialWrapMode cogl_material_get_layer_wrap_mode_t
+                                                        (CoglMaterial *material,
+                                                         int layer_index);
+CoglMaterialWrapMode cogl_material_get_layer_wrap_mode_p
+                                                        (CoglMaterial *material,
+                                                         int layer_index);
+GType               cogl_material_wrap_mode_get_type    (void);
+void                cogl_material_set_user_program      (CoglMaterial *material,
+                                                         CoglHandle program);
+CoglHandle          cogl_material_get_user_program      (CoglMaterial *material);
+void                cogl_material_foreach_layer         (CoglMaterial *material,
+                                                         CoglMaterialLayerCallback callback,
+                                                         void *user_data);
+

+

+

+
Description

+

+COGL allows creating and manipulating materials used to fill in
+geometry. Materials may simply be lighting attributes (such as an
+ambient and diffuse colour) or might represent one or more textures
+blended together.
+

+

+

+
Details

+

+
CoglMaterial

+
typedef struct _CoglMaterial CoglMaterial;

+

+

+

+
CoglMaterialLayer

+
typedef struct _CoglMaterialLayer CoglMaterialLayer;

+

+

+

+
CoglMaterialLayerCallback ()

+
CoglBool            (*CoglMaterialLayerCallback)        (CoglMaterial *material,
+                                                         int layer_index,
+                                                         void *user_data);

+

+
Warning

+
CoglMaterialLayerCallback is deprecated and should not be used in newly-written code. 1.16

+

+

+The callback prototype used with cogl_material_foreach_layer() for
+iterating all the layers of a material.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
The CoglMaterial whos layers are being iterated
layer_index :
The current layer index
user_data :
The private data passed to cogl_material_foreach_layer()
+

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_material_new ()

+
CoglMaterial *      cogl_material_new                   (void);

+

+
Warning

+
cogl_material_new has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_new() instead

+

+

+Allocates and initializes a blank white material
+

+

++++
+
+
+
+
+




Returns :
a pointer to a new CoglMaterial
+

+

+

+

+
cogl_material_copy ()

+
CoglMaterial *      cogl_material_copy                  (CoglMaterial *source);

+

+
Warning

+
cogl_material_copy has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_copy() instead

+

+

+Creates a new material with the configuration copied from the
+source material.
+

+

+We would strongly advise developers to always aim to use
+cogl_material_copy() instead of cogl_material_new() whenever there will
+be any similarity between two materials. Copying a material helps Cogl
+keep track of a materials ancestry which we may use to help minimize GPU
+state changes.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




source :
a CoglMaterial object to copy
Returns :
a pointer to the newly allocated CoglMaterial
+

+
Since 1.2

+

+

+

+
cogl_is_material ()

+
CoglBool            cogl_is_material                    (CoglHandle handle);

+

+
Warning

+
cogl_is_material has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_is_pipeline() instead

+

+

+Gets whether the given handle references an existing material object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
A CoglHandle
Returns :

+TRUE if the handle references a CoglMaterial,
+FALSE otherwise

+

+

+

+
cogl_material_set_color ()

+
void                cogl_material_set_color             (CoglMaterial *material,
+                                                         const CoglColor *color);

+

+
Warning

+
cogl_material_set_color has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_color() instead

+

+

+Sets the basic color of the material, used when no lighting is enabled.
+

+

+Note that if you don't add any layers to the material then the color
+will be blended unmodified with the destination; the default blend
+expects premultiplied colors: for example, use (0.5, 0.0, 0.0, 0.5) for
+semi-transparent red. See cogl_color_premultiply().
+

+

+The default value is (1.0, 1.0, 1.0, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
color :
The components of the color

+
Since 1.0

+

+

+

+
cogl_material_set_color4ub ()

+
void                cogl_material_set_color4ub          (CoglMaterial *material,
+                                                         uint8_t red,
+                                                         uint8_t green,
+                                                         uint8_t blue,
+                                                         uint8_t alpha);

+

+
Warning

+
cogl_material_set_color4ub has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_color4ub() instead

+

+

+Sets the basic color of the material, used when no lighting is enabled.
+

+

+The default value is (0xff, 0xff, 0xff, 0xff)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
red :
The red component
green :
The green component
blue :
The blue component
alpha :
The alpha component

+
Since 1.0

+

+

+

+
cogl_material_set_color4f ()

+
void                cogl_material_set_color4f           (CoglMaterial *material,
+                                                         float red,
+                                                         float green,
+                                                         float blue,
+                                                         float alpha);

+

+
Warning

+
cogl_material_set_color4f has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_color4f() instead

+

+

+Sets the basic color of the material, used when no lighting is enabled.
+

+

+The default value is (1.0, 1.0, 1.0, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
red :
The red component
green :
The green component
blue :
The blue component
alpha :
The alpha component

+
Since 1.0

+

+

+

+
cogl_material_get_color ()

+
void                cogl_material_get_color             (CoglMaterial *material,
+                                                         CoglColor *color);

+

+
Warning

+
cogl_material_get_color has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_get_color() instead

+

+

+Retrieves the current material color.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
color :
The location to store the color. [out]
+

+
Since 1.0

+

+

+

+
cogl_material_set_ambient ()

+
void                cogl_material_set_ambient           (CoglMaterial *material,
+                                                         const CoglColor *ambient);

+

+
Warning

+
cogl_material_set_ambient has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Sets the material's ambient color, in the standard OpenGL lighting
+model. The ambient color affects the overall color of the object.
+

+

+Since the diffuse color will be intense when the light hits the surface
+directly, the ambient will be most apparent where the light hits at a
+slant.
+

+

+The default value is (0.2, 0.2, 0.2, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
ambient :
The components of the desired ambient color

+
Since 1.0

+

+

+

+
cogl_material_get_ambient ()

+
void                cogl_material_get_ambient           (CoglMaterial *material,
+                                                         CoglColor *ambient);

+

+
Warning

+
cogl_material_get_ambient has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Retrieves the current ambient color for material
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
ambient :
The location to store the ambient color

+
Since 1.0

+

+

+

+
cogl_material_set_diffuse ()

+
void                cogl_material_set_diffuse           (CoglMaterial *material,
+                                                         const CoglColor *diffuse);

+

+
Warning

+
cogl_material_set_diffuse has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Sets the material's diffuse color, in the standard OpenGL lighting
+model. The diffuse color is most intense where the light hits the
+surface directly - perpendicular to the surface.
+

+

+The default value is (0.8, 0.8, 0.8, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
diffuse :
The components of the desired diffuse color

+
Since 1.0

+

+

+

+
cogl_material_get_diffuse ()

+
void                cogl_material_get_diffuse           (CoglMaterial *material,
+                                                         CoglColor *diffuse);

+

+
Warning

+
cogl_material_get_diffuse has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Retrieves the current diffuse color for material
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
diffuse :
The location to store the diffuse color

+
Since 1.0

+

+

+

+
cogl_material_set_ambient_and_diffuse ()

+
void                cogl_material_set_ambient_and_diffuse
+                                                        (CoglMaterial *material,
+                                                         const CoglColor *color);

+

+
Warning

+
cogl_material_set_ambient_and_diffuse has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Conveniently sets the diffuse and ambient color of material at the same
+time. See cogl_material_set_ambient() and cogl_material_set_diffuse().
+

+

+The default ambient color is (0.2, 0.2, 0.2, 1.0)
+

+

+The default diffuse color is (0.8, 0.8, 0.8, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
color :
The components of the desired ambient and diffuse colors

+
Since 1.0

+

+

+

+
cogl_material_set_emission ()

+
void                cogl_material_set_emission          (CoglMaterial *material,
+                                                         const CoglColor *emission);

+

+
Warning

+
cogl_material_set_emission has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Sets the material's emissive color, in the standard OpenGL lighting
+model. It will look like the surface is a light source emitting this
+color.
+

+

+The default value is (0.0, 0.0, 0.0, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
emission :
The components of the desired emissive color

+
Since 1.0

+

+

+

+
cogl_material_get_emission ()

+
void                cogl_material_get_emission          (CoglMaterial *material,
+                                                         CoglColor *emission);

+

+
Warning

+
cogl_material_get_emission has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Retrieves the materials current emission color.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
emission :
The location to store the emission color

+
Since 1.0

+

+

+

+
cogl_material_set_specular ()

+
void                cogl_material_set_specular          (CoglMaterial *material,
+                                                         const CoglColor *specular);

+

+
Warning

+
cogl_material_set_specular has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Sets the material's specular color, in the standard OpenGL lighting
+model. The intensity of the specular color depends on the viewport
+position, and is brightest along the lines of reflection.
+

+

+The default value is (0.0, 0.0, 0.0, 1.0)
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
specular :
The components of the desired specular color

+
Since 1.0

+

+

+

+
cogl_material_get_specular ()

+
void                cogl_material_get_specular          (CoglMaterial *material,
+                                                         CoglColor *specular);

+

+
Warning

+
cogl_material_get_specular has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Retrieves the materials current specular color.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
specular :
The location to store the specular color

+
Since 1.0

+

+

+

+
cogl_material_set_shininess ()

+
void                cogl_material_set_shininess         (CoglMaterial *material,
+                                                         float shininess);

+

+
Warning

+
cogl_material_set_shininess has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Sets the shininess of the material, in the standard OpenGL lighting
+model, which determines the size of the specular highlights. A
+higher shininess will produce smaller highlights which makes the
+object appear more shiny.
+

+

+The default value is 0.0
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
shininess :
The desired shininess; must be >= 0.0

+
Since 1.0

+

+

+

+
cogl_material_get_shininess ()

+
float               cogl_material_get_shininess         (CoglMaterial *material);

+

+
Warning

+
cogl_material_get_shininess has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglSnippet shader api for lighting

+

+

+Retrieves the materials current emission color.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
Returns :
The materials current shininess value

+
Since 1.0

+

+

+

+
enum CoglMaterialAlphaFunc

+
typedef enum {
+  COGL_MATERIAL_ALPHA_FUNC_NEVER    = 0x0200,
+  COGL_MATERIAL_ALPHA_FUNC_LESS	    = 0x0201,
+  COGL_MATERIAL_ALPHA_FUNC_EQUAL    = 0x0202,
+  COGL_MATERIAL_ALPHA_FUNC_LEQUAL   = 0x0203,
+  COGL_MATERIAL_ALPHA_FUNC_GREATER  = 0x0204,
+  COGL_MATERIAL_ALPHA_FUNC_NOTEQUAL = 0x0205,
+  COGL_MATERIAL_ALPHA_FUNC_GEQUAL   = 0x0206,
+  COGL_MATERIAL_ALPHA_FUNC_ALWAYS   = 0x0207
+} CoglMaterialAlphaFunc;
+

+

+Alpha testing happens before blending primitives with the framebuffer and
+gives an opportunity to discard fragments based on a comparison with the
+incoming alpha value and a reference alpha value. The CoglMaterialAlphaFunc
+determines how the comparison is done.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_MATERIAL_ALPHA_FUNC_NEVER
Never let the fragment through.
+
COGL_MATERIAL_ALPHA_FUNC_LESS
Let the fragment through if the incoming
+  alpha value is less than the reference alpha value
+
COGL_MATERIAL_ALPHA_FUNC_EQUAL
Let the fragment through if the incoming
+  alpha value equals the reference alpha value
+
COGL_MATERIAL_ALPHA_FUNC_LEQUAL
Let the fragment through if the incoming
+  alpha value is less than or equal to the reference alpha value
+
COGL_MATERIAL_ALPHA_FUNC_GREATER
Let the fragment through if the incoming
+  alpha value is greater than the reference alpha value
+
COGL_MATERIAL_ALPHA_FUNC_NOTEQUAL
Let the fragment through if the incoming
+  alpha value does not equal the reference alpha value
+
COGL_MATERIAL_ALPHA_FUNC_GEQUAL
Let the fragment through if the incoming
+  alpha value is greater than or equal to the reference alpha value.
+
COGL_MATERIAL_ALPHA_FUNC_ALWAYS
Always let the fragment through.
+

+

+

+

+
cogl_material_set_alpha_test_function ()

+
void                cogl_material_set_alpha_test_function
+                                                        (CoglMaterial *material,
+                                                         CoglMaterialAlphaFunc alpha_func,
+                                                         float alpha_reference);

+

+
Warning

+
cogl_material_set_alpha_test_function has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_alpha_test_function() instead

+

+

+Before a primitive is blended with the framebuffer, it goes through an
+alpha test stage which lets you discard fragments based on the current
+alpha value. This function lets you change the function used to evaluate
+the alpha channel, and thus determine which fragments are discarded
+and which continue on to the blending stage.
+

+

+The default is COGL_MATERIAL_ALPHA_FUNC_ALWAYS
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
alpha_func :
A CoglMaterialAlphaFunc constant
alpha_reference :
A reference point that the chosen alpha function uses
+to compare incoming fragments to.

+
Since 1.0

+

+

+

+
COGL_BLEND_STRING_ERROR

+
#define COGL_BLEND_STRING_ERROR (cogl_blend_string_error_quark ())
+

+

+CoglError domain for blend string parser errors
+

+
Since 1.0

+

+

+

+
enum CoglBlendStringError

+
typedef enum {
+ /*< prefix=COGL_BLEND_STRING_ERROR >*/
+  COGL_BLEND_STRING_ERROR_PARSE_ERROR,
+  COGL_BLEND_STRING_ERROR_ARGUMENT_PARSE_ERROR,
+  COGL_BLEND_STRING_ERROR_INVALID_ERROR,
+  COGL_BLEND_STRING_ERROR_GPU_UNSUPPORTED_ERROR
+} CoglBlendStringError;
+

+

+Error enumeration for the blend strings parser
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_BLEND_STRING_ERROR_PARSE_ERROR
Generic parse error
+
COGL_BLEND_STRING_ERROR_ARGUMENT_PARSE_ERROR
Argument parse error
+
COGL_BLEND_STRING_ERROR_INVALID_ERROR
Internal parser error
+
COGL_BLEND_STRING_ERROR_GPU_UNSUPPORTED_ERROR
Blend string not
+  supported by the GPU
+

+
Since 1.0

+

+

+

+
cogl_material_set_blend ()

+
CoglBool            cogl_material_set_blend             (CoglMaterial *material,
+                                                         const char *blend_string,
+                                                         CoglError **error);

+

+
Warning

+
cogl_material_set_blend has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_blend() instead

+

+

+If not already familiar; please refer here
+for an overview of what blend strings are, and their syntax.
+

+

+Blending occurs after the alpha test function, and combines fragments with
+the framebuffer.
+

+

+Currently the only blend function Cogl exposes is ADD(). So any valid
+blend statements will be of the form:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+<channel-mask>=ADD(SRC_COLOR*(<factor>), DST_COLOR*(<factor>))

+

+
+

+

+

+

+

+
Warning
The brackets around blend factors are currently not
+optional!

+

+

+

+This is the list of source-names usable as blend factors:
+

+

+

+

+

+The source names can be used according to the
+color-source and factor syntax,
+so for example "(1-SRC_COLOR[A])" would be a valid factor, as would
+"(CONSTANT[RGB])"
+

+

+These can also be used as factors:
+

+
    
+
  • 0: (0, 0, 0, 0)
    • 
+
  • 1: (1, 1, 1, 1)
    • 
+
  • SRC_ALPHA_SATURATE_FACTOR: (f,f,f,1) where f = MIN(SRC_COLOR[A],1-DST_COLOR[A])
    • 
+

+

+

+

+

+

+
Note
Remember; all color components are normalized to the range [0, 1]
+before computing the result of blending.

+

+

+

+

+

+
Example 1. Blend Strings/1

+

+
Blend a non-premultiplied source over a destination with
+  premultiplied alpha:

+
+"RGB = ADD(SRC_COLOR*(SRC_COLOR[A]), DST_COLOR*(1-SRC_COLOR[A]))"
+"A   = ADD(SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))"
+  

+

+

+


+

+

+

+

+
Example 2. Blend Strings/2

+

+
Blend a premultiplied source over a destination with
+  premultiplied alpha

+
+"RGBA = ADD(SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))"
+  

+

+

+


+

+

+The default blend string is:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+RGBA = ADD (SRC_COLOR, DST_COLOR*(1-SRC_COLOR[A]))

+

+
+

+

+

+That gives normal alpha-blending when the calculated color for the material
+is in premultiplied form.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
blend_string :
A Cogl blend string
+describing the desired blend function.
error :
return location for a CoglError that may report lack of driver
+support if you give separate blend string statements for the alpha
+channel and RGB channels since some drivers, or backends such as
+GLES 1.1, don't support this feature. May be NULL, in which case a
+warning will be printed out using GLib's logging facilities if an
+error is encountered.
Returns :

+TRUE if the blend string was successfully parsed, and the
+described blending is supported by the underlying driver/hardware. If
+there was an error, FALSE is returned and error is set accordingly (if
+present).

+
Since 1.0

+

+

+

+
cogl_material_set_blend_constant ()

+
void                cogl_material_set_blend_constant    (CoglMaterial *material,
+                                                         const CoglColor *constant_color);

+

+
Warning

+
cogl_material_set_blend_constant has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_blend_constant() instead

+

+

+When blending is setup to reference a CONSTANT blend factor then
+blending will depend on the constant set with this function.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
constant_color :
The constant color you want

+
Since 1.0

+

+

+

+
cogl_material_set_point_size ()

+
void                cogl_material_set_point_size        (CoglMaterial *material,
+                                                         float point_size);

+

+
Warning

+
cogl_material_set_point_size has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_point_size() instead

+

+

+Changes the size of points drawn when COGL_VERTICES_MODE_POINTS is
+used with the vertex buffer API. Note that typically the GPU will
+only support a limited minimum and maximum range of point sizes. If
+the chosen point size is outside that range then the nearest value
+within that range will be used instead. The size of a point is in
+screen space so it will be the same regardless of any
+transformations. The default point size is 1.0.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
a material.
point_size :
the new point size.

+
Since 1.4

+

+

+

+
cogl_material_get_point_size ()

+
float               cogl_material_get_point_size        (CoglMaterial *material);

+

+
Warning

+
cogl_material_get_point_size has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_get_point_size() instead

+

+

+Get the size of points drawn when COGL_VERTICES_MODE_POINTS is
+used with the vertex buffer API.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
a CoglHandle to a material.
Returns :
the point size of the material.

+
Since 1.4

+

+

+

+
cogl_material_set_layer ()

+
void                cogl_material_set_layer             (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglHandle texture);

+

+
Warning

+
cogl_material_set_layer has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer() instead

+

+

+In addition to the standard OpenGL lighting model a Cogl material may have
+one or more layers comprised of textures that can be blended together in
+order, with a number of different texture combine modes. This function
+defines a new texture layer.
+

+

+The index values of multiple layers do not have to be consecutive; it is
+only their relative order that is important.
+

+

+

+

+
Note
In the future, we may define other types of material layers, such
+as purely GLSL based layers.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the index of the layer
texture :
a CoglHandle for the layer object

+
Since 1.0

+

+

+

+
cogl_material_remove_layer ()

+
void                cogl_material_remove_layer          (CoglMaterial *material,
+                                                         int layer_index);

+

+
Warning

+
cogl_material_remove_layer has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_remove_layer() instead

+

+

+This function removes a layer from your material
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
Specifies the layer you want to remove

+

+

+

+
cogl_material_set_layer_combine ()

+
CoglBool            cogl_material_set_layer_combine     (CoglMaterial *material,
+                                                         int layer_index,
+                                                         const char *blend_string,
+                                                         CoglError **error);

+

+
Warning

+
cogl_material_set_layer_combine has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer_combine() instead

+

+

+If not already familiar; you can refer
+here for an overview of what blend
+strings are and there syntax.
+

+

+These are all the functions available for texture combining:
+

+
    
+
  • REPLACE(arg0) = arg0
    • 
+
  • MODULATE(arg0, arg1) = arg0 x arg1
    • 
+
  • ADD(arg0, arg1) = arg0 + arg1
    • 
+
  • ADD_SIGNED(arg0, arg1) = arg0 + arg1 - 0.5
    • 
+
  • INTERPOLATE(arg0, arg1, arg2) = arg0 x arg2 + arg1 x (1 - arg2)
    • 
+
  • SUBTRACT(arg0, arg1) = arg0 - arg1
    • 
+
  • + DOT3_RGB(arg0, arg1) = 4 x ((arg0[R] - 0.5)) * (arg1[R] - 0.5) +
+                             (arg0[G] - 0.5)) * (arg1[G] - 0.5) +
+                             (arg0[B] - 0.5)) * (arg1[B] - 0.5))
+    
    • 
+
  • + DOT3_RGBA(arg0, arg1) = 4 x ((arg0[R] - 0.5)) * (arg1[R] - 0.5) +
+                              (arg0[G] - 0.5)) * (arg1[G] - 0.5) +
+                              (arg0[B] - 0.5)) * (arg1[B] - 0.5))
+    
    • 
+

+

+

+

+Refer to the
+color-source syntax for
+describing the arguments. The valid source names for texture combining
+are:
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




TEXTURE
Use the color from the current texture layer
TEXTURE_0, TEXTURE_1, etc
Use the color from the specified texture layer
CONSTANT
Use the color from the constant given with
+    cogl_material_set_layer_constant()
+
PRIMARY
Use the color of the material as set with
+    cogl_material_set_color()
+
PREVIOUS
Either use the texture color from the previous layer, or
+    if this is layer 0, use the color of the material as set with
+    cogl_material_set_color()
+

+

+

+

+

+

+
Layer Combine Examples

+
This is effectively what the default blending is:

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+RGBA = MODULATE (PREVIOUS, TEXTURE)

+

+
+
This could be used to cross-fade between two images, using
+  the alpha component of a constant as the interpolator. The constant
+  color is given by calling cogl_material_set_layer_constant.

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+RGBA = INTERPOLATE (PREVIOUS, TEXTURE, CONSTANT[A])

+

+
+

+

+

+

+

+

+
Note
You can't give a multiplication factor for arguments as you can
+with blending.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
Specifies the layer you want define a combine function for
blend_string :
A Cogl blend string
+describing the desired texture combine function.
error :
A CoglError that may report parse errors or lack of GPU/driver
+support. May be NULL, in which case a warning will be printed out if an
+error is encountered.
Returns :

+TRUE if the blend string was successfully parsed, and the
+described texture combining is supported by the underlying driver and
+or hardware. On failure, FALSE is returned and error is set

+
Since 1.0

+

+

+

+
cogl_material_set_layer_combine_constant ()

+
void                cogl_material_set_layer_combine_constant
+                                                        (CoglMaterial *material,
+                                                         int layer_index,
+                                                         const CoglColor *constant);

+

+
Warning

+
cogl_material_set_layer_combine_constant has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer_combine_constant()
+instead

+

+

+When you are using the 'CONSTANT' color source in a layer combine
+description then you can use this function to define its value.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
Specifies the layer you want to specify a constant used
+for texture combining
constant :
The constant color you want

+
Since 1.0

+

+

+

+
cogl_material_set_layer_matrix ()

+
void                cogl_material_set_layer_matrix      (CoglMaterial *material,
+                                                         int layer_index,
+                                                         const CoglMatrix *matrix);

+

+
Warning

+
cogl_material_set_layer_matrix has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer_matrix() instead

+

+

+This function lets you set a matrix that can be used to e.g. translate
+and rotate a single layer of a material used to fill your geometry.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the index for the layer inside material
+
matrix :
the transformation matrix for the layer

+

+

+

+
cogl_material_set_layer_point_sprite_coords_enabled ()

+
CoglBool            cogl_material_set_layer_point_sprite_coords_enabled
+                                                        (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglBool enable,
+                                                         CoglError **error);

+

+
Warning

+
cogl_material_set_layer_point_sprite_coords_enabled has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer_point_sprite_coords_enabled()
+                 instead

+

+

+When rendering points, if enable is TRUE then the texture
+coordinates for this layer will be replaced with coordinates that
+vary from 0.0 to 1.0 across the primitive. The top left of the
+point will have the coordinates 0.0,0.0 and the bottom right will
+have 1.0,1.0. If enable is FALSE then the coordinates will be
+fixed for the entire point.
+

+

+This function will only work if COGL_FEATURE_POINT_SPRITE is
+available. If the feature is not available then the function will
+return FALSE and set error.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
a CoglHandle to a material.
layer_index :
the layer number to change.
enable :
whether to enable point sprite coord generation.
error :
A return location for a CoglError, or NULL to ignore errors.
Returns :

+TRUE if the function succeeds, FALSE otherwise.

+
Since 1.4

+

+

+

+
cogl_material_get_layer_point_sprite_coords_enabled ()

+
CoglBool            cogl_material_get_layer_point_sprite_coords_enabled
+                                                        (CoglMaterial *material,
+                                                         int layer_index);

+

+
Warning

+
cogl_material_get_layer_point_sprite_coords_enabled has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_get_layer_point_sprite_coords_enabled()
+                 instead

+

+

+Gets whether point sprite coordinate generation is enabled for this
+texture layer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
a CoglHandle to a material.
layer_index :
the layer number to check.
Returns :
whether the texture coordinates will be replaced with
+point sprite coordinates.

+
Since 1.4

+

+

+

+
cogl_material_get_n_layers ()

+
int                 cogl_material_get_n_layers          (CoglMaterial *material);

+

+
Warning

+
cogl_material_get_n_layers has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_get_n_layers() instead

+

+

+Retrieves the number of layers defined for the given material
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
Returns :
the number of layers

+
Since 1.0

+

+

+

+
enum CoglMaterialFilter

+
typedef enum {
+  COGL_MATERIAL_FILTER_NEAREST = 0x2600,
+  COGL_MATERIAL_FILTER_LINEAR = 0x2601,
+  COGL_MATERIAL_FILTER_NEAREST_MIPMAP_NEAREST = 0x2700,
+  COGL_MATERIAL_FILTER_LINEAR_MIPMAP_NEAREST = 0x2701,
+  COGL_MATERIAL_FILTER_NEAREST_MIPMAP_LINEAR = 0x2702,
+  COGL_MATERIAL_FILTER_LINEAR_MIPMAP_LINEAR = 0x2703
+} CoglMaterialFilter;
+

+

+Texture filtering is used whenever the current pixel maps either to more
+than one texture element (texel) or less than one. These filter enums
+correspond to different strategies used to come up with a pixel color, by
+possibly referring to multiple neighbouring texels and taking a weighted
+average or simply using the nearest texel.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_MATERIAL_FILTER_NEAREST
Measuring in manhatten distance from the,
+  current pixel center, use the nearest texture texel
+
COGL_MATERIAL_FILTER_LINEAR
Use the weighted average of the 4 texels
+  nearest the current pixel center
+
COGL_MATERIAL_FILTER_NEAREST_MIPMAP_NEAREST
Select the mimap level whose
+  texel size most closely matches the current pixel, and use the
+  COGL_MATERIAL_FILTER_NEAREST criterion
+
COGL_MATERIAL_FILTER_LINEAR_MIPMAP_NEAREST
Select the mimap level whose
+  texel size most closely matches the current pixel, and use the
+  COGL_MATERIAL_FILTER_LINEAR criterion
+
COGL_MATERIAL_FILTER_NEAREST_MIPMAP_LINEAR
Select the two mimap levels
+  whose texel size most closely matches the current pixel, use
+  the COGL_MATERIAL_FILTER_NEAREST criterion on each one and take
+  their weighted average
+
COGL_MATERIAL_FILTER_LINEAR_MIPMAP_LINEAR
Select the two mimap levels
+  whose texel size most closely matches the current pixel, use
+  the COGL_MATERIAL_FILTER_LINEAR criterion on each one and take
+  their weighted average
+

+

+

+

+
cogl_material_set_layer_filters ()

+
void                cogl_material_set_layer_filters     (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialFilter min_filter,
+                                                         CoglMaterialFilter mag_filter);

+

+
Warning

+
cogl_material_set_layer_filters has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer_filters() instead

+

+

+Changes the decimation and interpolation filters used when a texture is
+drawn at other scales than 100%.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the layer number to change.
min_filter :
the filter used when scaling a texture down.
mag_filter :
the filter used when magnifying a texture.

+

+

+

+
enum CoglMaterialLayerType

+
typedef enum {
+  COGL_MATERIAL_LAYER_TYPE_TEXTURE
+} CoglMaterialLayerType;
+

+

+Available types of layers for a CoglMaterial. This enumeration
+might be expanded in later versions.
+

+

++++
+
+
+
+
+




COGL_MATERIAL_LAYER_TYPE_TEXTURE
The layer represents a
+  texture
+

+
Since 1.0

+

+

+

+
cogl_material_layer_get_type ()

+
CoglMaterialLayerType cogl_material_layer_get_type      (CoglMaterialLayer *layer);

+

+
Warning

+
cogl_material_layer_get_type has been deprecated since version 1.16 and should not be used in newly-written code. No replacement

+

+

+Retrieves the type of the layer
+

+

+Currently there is only one type of layer defined:
+COGL_MATERIAL_LAYER_TYPE_TEXTURE, but considering we may add purely GLSL
+based layers in the future, you should write code that checks the type
+first.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




layer :
A CoglMaterialLayer object
Returns :
the type of the layer

+

+

+

+
cogl_material_layer_get_texture ()

+
CoglHandle          cogl_material_layer_get_texture     (CoglMaterialLayer *layer);

+

+
Warning

+
cogl_material_layer_get_texture has been deprecated since version 1.16 and should not be used in newly-written code. No replacement

+

+

+Extracts a texture handle for a specific layer.
+

+

+

+

+
Note
In the future Cogl may support purely GLSL based layers; for those
+layers this function which will likely return COGL_INVALID_HANDLE if you
+try to get the texture handle from them. Considering this scenario, you
+should call cogl_material_layer_get_type() first in order check it is of
+type COGL_MATERIAL_LAYER_TYPE_TEXTURE before calling this function.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




layer :
A CoglMaterialLayer object
Returns :
a CoglHandle for the texture inside the layer. [transfer none]
+

+

+

+

+
cogl_material_layer_get_min_filter ()

+
CoglMaterialFilter  cogl_material_layer_get_min_filter  (CoglMaterialLayer *layer);

+

+
Warning

+
cogl_material_layer_get_min_filter has been deprecated since version 1.16 and should not be used in newly-written code. No replacement

+

+

+Queries the currently set downscaling filter for a material layer
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




layer :
a CoglHandle for a material layer
Returns :
the current downscaling filter

+

+

+

+
cogl_material_layer_get_mag_filter ()

+
CoglMaterialFilter  cogl_material_layer_get_mag_filter  (CoglMaterialLayer *layer);

+

+
Warning

+
cogl_material_layer_get_mag_filter has been deprecated since version 1.16 and should not be used in newly-written code. No replacement

+

+

+Queries the currently set downscaling filter for a material later
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




layer :
A CoglMaterialLayer object
Returns :
the current downscaling filter

+

+

+

+
enum CoglMaterialWrapMode

+
typedef enum {
+  COGL_MATERIAL_WRAP_MODE_REPEAT = 0x2901,
+  COGL_MATERIAL_WRAP_MODE_CLAMP_TO_EDGE = 0x812F,
+  COGL_MATERIAL_WRAP_MODE_AUTOMATIC = 0x0207
+} CoglMaterialWrapMode;
+

+

+The wrap mode specifies what happens when texture coordinates
+outside the range 0→1 are used. Note that if the filter mode is
+anything but COGL_MATERIAL_FILTER_NEAREST then texels outside the
+range 0→1 might be used even when the coordinate is exactly 0 or 1
+because OpenGL will try to sample neighbouring pixels. For example
+if you are trying to render the full texture then you may get
+artifacts around the edges when the pixels from the other side are
+merged in if the wrap mode is set to repeat.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_MATERIAL_WRAP_MODE_REPEAT
The texture will be repeated. This
+  is useful for example to draw a tiled background.
+
COGL_MATERIAL_WRAP_MODE_CLAMP_TO_EDGE
The coordinates outside the
+  range 0→1 will sample copies of the edge pixels of the
+  texture. This is useful to avoid artifacts if only one copy of
+  the texture is being rendered.
+
COGL_MATERIAL_WRAP_MODE_AUTOMATIC
Cogl will try to automatically
+  decide which of the above two to use. For cogl_rectangle(), it
+  will use repeat mode if any of the texture coordinates are
+  outside the range 0→1, otherwise it will use clamp to edge. For
+  cogl_polygon() it will always use repeat mode. For
+  cogl_vertex_buffer_draw() it will use repeat mode except for
+  layers that have point sprite coordinate generation enabled. This
+  is the default value.
+

+
Since 1.4

+

+

+

+
cogl_material_set_layer_wrap_mode ()

+
void                cogl_material_set_layer_wrap_mode   (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialWrapMode mode);

+

+
Warning

+
cogl_material_set_layer_wrap_mode has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer_wrap_mode() instead

+

+

+Sets the wrap mode for all three coordinates of texture lookups on
+this layer. This is equivalent to calling
+cogl_material_set_layer_wrap_mode_s(),
+cogl_material_set_layer_wrap_mode_t() and
+cogl_material_set_layer_wrap_mode_p() separately.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the layer number to change.
mode :
the new wrap mode

+
Since 1.4

+

+

+

+
cogl_material_set_layer_wrap_mode_s ()

+
void                cogl_material_set_layer_wrap_mode_s (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialWrapMode mode);

+

+
Warning

+
cogl_material_set_layer_wrap_mode_s has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer_wrap_mode_s() instead

+

+

+Sets the wrap mode for the 's' coordinate of texture lookups on this layer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the layer number to change.
mode :
the new wrap mode

+
Since 1.4

+

+

+

+
cogl_material_set_layer_wrap_mode_t ()

+
void                cogl_material_set_layer_wrap_mode_t (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialWrapMode mode);

+

+
Warning

+
cogl_material_set_layer_wrap_mode_t has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer_wrap_mode_t() instead

+

+

+Sets the wrap mode for the 't' coordinate of texture lookups on this layer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the layer number to change.
mode :
the new wrap mode

+
Since 1.4

+

+

+

+
cogl_material_set_layer_wrap_mode_p ()

+
void                cogl_material_set_layer_wrap_mode_p (CoglMaterial *material,
+                                                         int layer_index,
+                                                         CoglMaterialWrapMode mode);

+

+
Warning

+
cogl_material_set_layer_wrap_mode_p has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_set_layer_wrap_mode_p() instead

+

+

+Sets the wrap mode for the 'p' coordinate of texture lookups on
+this layer. 'p' is the third coordinate.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the layer number to change.
mode :
the new wrap mode

+
Since 1.4

+

+

+

+
cogl_material_get_layer_wrap_mode_s ()

+
CoglMaterialWrapMode cogl_material_get_layer_wrap_mode_s
+                                                        (CoglMaterial *material,
+                                                         int layer_index);

+

+
Warning

+
cogl_material_get_layer_wrap_mode_s has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_get_layer_wrap_mode_s() instead

+

+

+Returns the wrap mode for the 's' coordinate of texture lookups on this
+layer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the layer number to change.
Returns :
the wrap mode for the 's' coordinate of texture lookups on
+this layer.

+
Since 1.6

+

+

+

+
cogl_material_get_layer_wrap_mode_t ()

+
CoglMaterialWrapMode cogl_material_get_layer_wrap_mode_t
+                                                        (CoglMaterial *material,
+                                                         int layer_index);

+

+
Warning

+
cogl_material_get_layer_wrap_mode_t has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_get_layer_wrap_mode_t() instead

+

+

+Returns the wrap mode for the 't' coordinate of texture lookups on this
+layer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the layer number to change.
Returns :
the wrap mode for the 't' coordinate of texture lookups on
+this layer.

+
Since 1.6

+

+

+

+
cogl_material_get_layer_wrap_mode_p ()

+
CoglMaterialWrapMode cogl_material_get_layer_wrap_mode_p
+                                                        (CoglMaterial *material,
+                                                         int layer_index);

+

+
Warning

+
cogl_material_get_layer_wrap_mode_p has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_pipeline_get_layer_wrap_mode_p() instead

+

+

+Returns the wrap mode for the 'p' coordinate of texture lookups on this
+layer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
layer_index :
the layer number to change.
Returns :
the wrap mode for the 'p' coordinate of texture lookups on
+this layer.

+
Since 1.6

+

+

+

+
cogl_material_wrap_mode_get_type ()

+
GType               cogl_material_wrap_mode_get_type    (void);

+

+

+

+
cogl_material_set_user_program ()

+
void                cogl_material_set_user_program      (CoglMaterial *material,
+                                                         CoglHandle program);

+

+
Warning

+
cogl_material_set_user_program has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api instead instead

+

+

+Associates a linked CoglProgram with the given material so that the
+program can take full control of vertex and/or fragment processing.
+

+

+This is an example of how it can be used to associate an ARBfp
+program with a CoglMaterial:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
+41
+42
+43
+44
+45

+
+
+
+
+
+
+
+
+
+
+
+
+CoglHandle shader;
+CoglHandle program;
+CoglMaterial *material;
+
+shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
+cogl_shader_source (shader,
+                    "!!ARBfp1.0\n"
+                    "MOV result.color,fragment.color;\n"
+                    "END\n");
+cogl_shader_compile (shader);
+
+program = cogl_create_program ();
+cogl_program_attach_shader (program, shader);
+cogl_program_link (program);
+
+material = cogl_material_new ();
+cogl_material_set_user_program (material, program);
+
+cogl_set_source_color4ub (0xff, 0x00, 0x00, 0xff);
+cogl_rectangle (0, 0, 100, 100);

+

+
+

+

+

+It is possibly worth keeping in mind that this API is not part of
+the long term design for how we want to expose shaders to Cogl
+developers (We are planning on deprecating the cogl_program and
+cogl_shader APIs in favour of a "snippet" framework) but in the
+meantime we hope this will handle most practical GLSL and ARBfp
+requirements.
+

+

+Also remember you need to check for either the
+COGL_FEATURE_SHADERS_GLSL or COGL_FEATURE_SHADERS_ARBFP before
+using the cogl_program or cogl_shader API.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
a CoglMaterial object.
program :
A CoglHandle to a linked CoglProgram

+
Since 1.4

+

+

+

+
cogl_material_get_user_program ()

+
CoglHandle          cogl_material_get_user_program      (CoglMaterial *material);

+

+
Warning

+
cogl_material_get_user_program has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api instead instead

+

+

+Queries what user program has been associated with the given
+material using cogl_material_set_user_program().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




material :
a CoglMaterial object.
Returns :
The current user program
+or COGL_INVALID_HANDLE. [transfer none]
+

+
Since 1.4

+

+

+

+
cogl_material_foreach_layer ()

+
void                cogl_material_foreach_layer         (CoglMaterial *material,
+                                                         CoglMaterialLayerCallback callback,
+                                                         void *user_data);

+

+
Warning

+
cogl_material_foreach_layer has been deprecated since version 1.16 and should not be used in newly-written code. No replacement

+

+

+Iterates all the layer indices of the given material.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




material :
A CoglMaterial object
callback :
A CoglMaterialLayerCallback to be called for each layer
+index
user_data :
Private data that will be passed to the callback

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
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diff --git a/doc/reference/cogl/html/cogl-Matrices.html b/doc/reference/cogl/html/cogl-Matrices.html
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@@ -0,0 +1,1252 @@
+
+
+
+
+Matrices
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Matrices

+
Matrices — Functions for initializing and manipulating 4x4 matrices

+

+

+
Synopsis

+
                    CoglMatrix;
+void                cogl_matrix_init_identity           (CoglMatrix *matrix);
+CoglMatrix *        cogl_matrix_copy                    (const CoglMatrix *matrix);
+CoglBool            cogl_matrix_equal                   (const void *v1,
+                                                         const void *v2);
+void                cogl_matrix_free                    (CoglMatrix *matrix);
+void                cogl_matrix_frustum                 (CoglMatrix *matrix,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_matrix_ortho                   (CoglMatrix *matrix,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float near,
+                                                         float far);
+void                cogl_matrix_perspective             (CoglMatrix *matrix,
+                                                         float fov_y,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);
+void                cogl_matrix_multiply                (CoglMatrix *result,
+                                                         const CoglMatrix *a,
+                                                         const CoglMatrix *b);
+void                cogl_matrix_rotate                  (CoglMatrix *matrix,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_matrix_translate               (CoglMatrix *matrix,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_matrix_scale                   (CoglMatrix *matrix,
+                                                         float sx,
+                                                         float sy,
+                                                         float sz);
+void                cogl_matrix_transpose               (CoglMatrix *matrix);
+void                cogl_matrix_init_from_array         (CoglMatrix *matrix,
+                                                         const float *array);
+const float *       cogl_matrix_get_array               (const CoglMatrix *matrix);
+CoglBool            cogl_matrix_get_inverse             (const CoglMatrix *matrix,
+                                                         CoglMatrix *inverse);
+void                cogl_matrix_transform_point         (const CoglMatrix *matrix,
+                                                         float *x,
+                                                         float *y,
+                                                         float *z,
+                                                         float *w);
+void                cogl_matrix_project_points          (const CoglMatrix *matrix,
+                                                         int n_components,
+                                                         size_t stride_in,
+                                                         const void *points_in,
+                                                         size_t stride_out,
+                                                         void *points_out,
+                                                         int n_points);
+void                cogl_matrix_transform_points        (const CoglMatrix *matrix,
+                                                         int n_components,
+                                                         size_t stride_in,
+                                                         const void *points_in,
+                                                         size_t stride_out,
+                                                         void *points_out,
+                                                         int n_points);
+CoglBool            cogl_matrix_is_identity             (const CoglMatrix *matrix);
+

+

+

+
Description

+

+Matrices are used in Cogl to describe affine model-view transforms, texture
+transforms, and projective transforms. This exposes a utility API that can
+be used for direct manipulation of these matrices.
+

+

+

+
Details

+

+
CoglMatrix

+
typedef struct {
+  /* column 0 */
+  float xx;
+  float yx;
+  float zx;
+  float wx;
+
+  /* column 1 */
+  float xy;
+  float yy;
+  float zy;
+  float wy;
+
+  /* column 2 */
+  float xz;
+  float yz;
+  float zz;
+  float wz;
+
+  /* column 3 */
+  float xw;
+  float yw;
+  float zw;
+  float ww;
+} CoglMatrix;
+

+

+A CoglMatrix holds a 4x4 transform matrix. This is a single precision,
+column-major matrix which means it is compatible with what OpenGL expects.
+

+

+A CoglMatrix can represent transforms such as, rotations, scaling,
+translation, sheering, and linear projections. You can combine these
+transforms by multiplying multiple matrices in the order you want them
+applied.
+

+

+The transformation of a vertex (x, y, z, w) by a CoglMatrix is given by:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
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+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27

+
+
+
+
+
+
+
+
+
+
+
+
+x_new = xx * x + xy * y + xz * z + xw * w
+  y_new = yx * x + yy * y + yz * z + yw * w
+  z_new = zx * x + zy * y + zz * z + zw * w
+  w_new = wx * x + wy * y + wz * z + ww * w

+

+
+

+

+

+Where w is normally 1
+

+

+

+

+
Note
You must consider the members of the CoglMatrix structure read only,
+and all matrix modifications must be done via the cogl_matrix API. This
+allows Cogl to annotate the matrices internally. Violation of this will give
+undefined results. If you need to initialize a matrix with a constant other
+than the identity matrix you can use cogl_matrix_init_from_array().

+

+

+

+

+

+
cogl_matrix_init_identity ()

+
void                cogl_matrix_init_identity           (CoglMatrix *matrix);

+

+Resets matrix to the identity matrix:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28

+
+
+
+
+
+
+
+
+
+
+
+
+.xx=1; .xy=0; .xz=0; .xw=0;
+  .yx=0; .yy=1; .yz=0; .yw=0;
+  .zx=0; .zy=0; .zz=1; .zw=0;
+  .wx=0; .wy=0; .wz=0; .ww=1;

+

+
+

+

+

++++
+
+
+
+
+




matrix :
A 4x4 transformation matrix

+

+

+

+
cogl_matrix_copy ()

+
CoglMatrix *        cogl_matrix_copy                    (const CoglMatrix *matrix);

+

+Allocates a new CoglMatrix on the heap and initializes it with
+the same values as matrix.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix you want to copy
Returns :
A newly allocated CoglMatrix which
+should be freed using cogl_matrix_free(). [transfer full]
+

+
Since 1.6

+

+

+

+
cogl_matrix_equal ()

+
CoglBool            cogl_matrix_equal                   (const void *v1,
+                                                         const void *v2);

+

+Compares two matrices to see if they represent the same
+transformation. Although internally the matrices may have different
+annotations associated with them and may potentially have a cached
+inverse matrix these are not considered in the comparison.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




v1 :
A 4x4 transformation matrix
v2 :
A 4x4 transformation matrix

+
Since 1.4

+

+

+

+
cogl_matrix_free ()

+
void                cogl_matrix_free                    (CoglMatrix *matrix);

+

+Frees a CoglMatrix that was previously allocated via a call to
+cogl_matrix_copy().
+

+

++++
+
+
+
+
+




matrix :
A 4x4 transformation matrix you want to free

+
Since 1.6

+

+

+

+
cogl_matrix_frustum ()

+
void                cogl_matrix_frustum                 (CoglMatrix *matrix,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float z_near,
+                                                         float z_far);

+

+Multiplies matrix by the given frustum perspective matrix.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
left :
X position of the left clipping plane where it
+intersects the near clipping plane
right :
X position of the right clipping plane where it
+intersects the near clipping plane
bottom :
Y position of the bottom clipping plane where it
+intersects the near clipping plane
top :
Y position of the top clipping plane where it intersects
+the near clipping plane
z_near :
The distance to the near clipping plane (Must be positive)
z_far :
The distance to the far clipping plane (Must be positive)

+

+

+

+
cogl_matrix_ortho ()

+
void                cogl_matrix_ortho                   (CoglMatrix *matrix,
+                                                         float left,
+                                                         float right,
+                                                         float bottom,
+                                                         float top,
+                                                         float near,
+                                                         float far);

+

+
Warning

+
cogl_matrix_ortho has been deprecated since version 1.10 and should not be used in newly-written code. Use cogl_matrix_orthographic()

+

+

+Multiplies matrix by a parallel projection matrix.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
left :
The coordinate for the left clipping plane
right :
The coordinate for the right clipping plane
bottom :
The coordinate for the bottom clipping plane
top :
The coordinate for the top clipping plane
near :
The distance to the near clipping
+plane (will be negative if the plane is
+behind the viewer)
far :
The distance to the far clipping
+plane (will be negative if the plane is
+behind the viewer)

+

+

+

+
cogl_matrix_perspective ()

+
void                cogl_matrix_perspective             (CoglMatrix *matrix,
+                                                         float fov_y,
+                                                         float aspect,
+                                                         float z_near,
+                                                         float z_far);

+

+Multiplies matrix by the described perspective matrix
+

+

+

+

+
Note
You should be careful not to have to great a z_far / z_near
+ratio since that will reduce the effectiveness of depth testing
+since there wont be enough precision to identify the depth of
+objects near to each other.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
fov_y :
Vertical field of view angle in degrees.
aspect :
The (width over height) aspect ratio for display
z_near :
The distance to the near clipping plane (Must be positive,
+and must not be 0)
z_far :
The distance to the far clipping plane (Must be positive)

+

+

+

+
cogl_matrix_multiply ()

+
void                cogl_matrix_multiply                (CoglMatrix *result,
+                                                         const CoglMatrix *a,
+                                                         const CoglMatrix *b);

+

+Multiplies the two supplied matrices together and stores
+the resulting matrix inside result.
+

+

+

+

+
Note
It is possible to multiply the a matrix in-place, so
+result can be equal to a but can't be equal to b.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
The address of a 4x4 matrix to store the result in
a :
A 4x4 transformation matrix
b :
A 4x4 transformation matrix

+

+

+

+
cogl_matrix_rotate ()

+
void                cogl_matrix_rotate                  (CoglMatrix *matrix,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);

+

+Multiplies matrix with a rotation matrix that applies a rotation
+of angle degrees around the specified 3D vector.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
angle :
The angle you want to rotate in degrees
x :
X component of your rotation vector
y :
Y component of your rotation vector
z :
Z component of your rotation vector

+

+

+

+
cogl_matrix_translate ()

+
void                cogl_matrix_translate               (CoglMatrix *matrix,
+                                                         float x,
+                                                         float y,
+                                                         float z);

+

+Multiplies matrix with a transform matrix that translates along
+the X, Y and Z axis.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
x :
The X translation you want to apply
y :
The Y translation you want to apply
z :
The Z translation you want to apply

+

+

+

+
cogl_matrix_scale ()

+
void                cogl_matrix_scale                   (CoglMatrix *matrix,
+                                                         float sx,
+                                                         float sy,
+                                                         float sz);

+

+Multiplies matrix with a transform matrix that scales along the X,
+Y and Z axis.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
sx :
The X scale factor
sy :
The Y scale factor
sz :
The Z scale factor

+

+

+

+
cogl_matrix_transpose ()

+
void                cogl_matrix_transpose               (CoglMatrix *matrix);

+

+Replaces matrix with its transpose. Ie, every element (i,j) in the
+new matrix is taken from element (j,i) in the old matrix.
+

+

++++
+
+
+
+
+




matrix :
A CoglMatrix
+

+
Since 1.10

+

+

+

+
cogl_matrix_init_from_array ()

+
void                cogl_matrix_init_from_array         (CoglMatrix *matrix,
+                                                         const float *array);

+

+Initializes matrix with the contents of array
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
array :
A linear array of 16 floats (column-major order)

+

+

+

+
cogl_matrix_get_array ()

+
const float *       cogl_matrix_get_array               (const CoglMatrix *matrix);

+

+Casts matrix to a float array which can be directly passed to OpenGL.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
Returns :
a pointer to the float array

+

+

+

+
cogl_matrix_get_inverse ()

+
CoglBool            cogl_matrix_get_inverse             (const CoglMatrix *matrix,
+                                                         CoglMatrix *inverse);

+

+Gets the inverse transform of a given matrix and uses it to initialize
+a new CoglMatrix.
+

+

+

+

+
Note
Although the first parameter is annotated as const to indicate
+that the transform it represents isn't modified this function may
+technically save a copy of the inverse transform within the given
+CoglMatrix so that subsequent requests for the inverse transform may
+avoid costly inversion calculations.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
inverse :
The destination for a 4x4 inverse transformation matrix. [out]
+
Returns :

+TRUE if the inverse was successfully calculated or FALSE
+for degenerate transformations that can't be inverted (in this case the
+inverse matrix will simply be initialized with the identity matrix)

+
Since 1.2

+

+

+

+
cogl_matrix_transform_point ()

+
void                cogl_matrix_transform_point         (const CoglMatrix *matrix,
+                                                         float *x,
+                                                         float *y,
+                                                         float *z,
+                                                         float *w);

+

+Transforms a point whos position is given and returned as four float
+components.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A 4x4 transformation matrix
x :
The X component of your points position. [inout]
+
y :
The Y component of your points position. [inout]
+
z :
The Z component of your points position. [inout]
+
w :
The W component of your points position. [inout]
+

+

+

+

+
cogl_matrix_project_points ()

+
void                cogl_matrix_project_points          (const CoglMatrix *matrix,
+                                                         int n_components,
+                                                         size_t stride_in,
+                                                         const void *points_in,
+                                                         size_t stride_out,
+                                                         void *points_out,
+                                                         int n_points);

+

+Projects an array of input points and writes the result to another
+array of output points. The input points can either have 2, 3 or 4
+components each. The output points always have 4 components (known
+as homogenous coordinates). The output array can simply point to
+the input array to do the transform in-place.
+

+

+Here's an example with differing input/output strides:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
+41
+42
+43
+44
+45
+46
+47
+48
+49

+
+
+
+
+
+
+
+
+
+
+
+
+typedef struct {
+  float x,y;
+  uint8_t r,g,b,a;
+  float s,t,p;
+} MyInVertex;
+typedef struct {
+  uint8_t r,g,b,a;
+  float x,y,z;
+} MyOutVertex;
+MyInVertex vertices[N_VERTICES];
+MyOutVertex results[N_VERTICES];
+CoglMatrix matrix;
+
+my_load_vertices (vertices);
+my_get_matrix (&matrix);
+
+cogl_matrix_project_points (&matrix,
+                            2,
+                            sizeof (MyInVertex),
+                            &vertices[0].x,
+                            sizeof (MyOutVertex),
+                            &results[0].x,
+                            N_VERTICES);

+

+
+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A projection matrix
n_components :
The number of position components for each input point.
+(either 2, 3 or 4)
stride_in :
The stride in bytes between input points.
points_in :
A pointer to the first component of the first input point.
stride_out :
The stride in bytes between output points.
points_out :
A pointer to the first component of the first output point.
n_points :
The number of points to transform.

+
Stability Level: Unstable

+

+

+

+
cogl_matrix_transform_points ()

+
void                cogl_matrix_transform_points        (const CoglMatrix *matrix,
+                                                         int n_components,
+                                                         size_t stride_in,
+                                                         const void *points_in,
+                                                         size_t stride_out,
+                                                         void *points_out,
+                                                         int n_points);

+

+Transforms an array of input points and writes the result to
+another array of output points. The input points can either have 2
+or 3 components each. The output points always have 3 components.
+The output array can simply point to the input array to do the
+transform in-place.
+

+

+If you need to transform 4 component points see
+cogl_matrix_project_points().
+

+

+Here's an example with differing input/output strides:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
+41
+42
+43
+44
+45
+46
+47
+48
+49

+
+
+
+
+
+
+
+
+
+
+
+
+typedef struct {
+  float x,y;
+  uint8_t r,g,b,a;
+  float s,t,p;
+} MyInVertex;
+typedef struct {
+  uint8_t r,g,b,a;
+  float x,y,z;
+} MyOutVertex;
+MyInVertex vertices[N_VERTICES];
+MyOutVertex results[N_VERTICES];
+CoglMatrix matrix;
+
+my_load_vertices (vertices);
+my_get_matrix (&matrix);
+
+cogl_matrix_transform_points (&matrix,
+                              2,
+                              sizeof (MyInVertex),
+                              &vertices[0].x,
+                              sizeof (MyOutVertex),
+                              &results[0].x,
+                              N_VERTICES);

+

+
+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




matrix :
A transformation matrix
n_components :
The number of position components for each input point.
+(either 2 or 3)
stride_in :
The stride in bytes between input points.
points_in :
A pointer to the first component of the first input point.
stride_out :
The stride in bytes between output points.
points_out :
A pointer to the first component of the first output point.
n_points :
The number of points to transform.

+
Stability Level: Unstable

+

+

+

+
cogl_matrix_is_identity ()

+
CoglBool            cogl_matrix_is_identity             (const CoglMatrix *matrix);

+

+Determines if the given matrix is an identity matrix.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




matrix :
A CoglMatrix
+
Returns :

+TRUE if matrix is an identity matrix else FALSE
+

+
Since 1.8

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Offscreen-Buffers-(Deprecated).html b/doc/reference/cogl/html/cogl-Offscreen-Buffers-(Deprecated).html
new file mode 100644
index 0000000..9da1561
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Offscreen-Buffers-(Deprecated).html
@@ -0,0 +1,107 @@
+
+
+
+
+Offscreen Buffers (Deprecated)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Offscreen Buffers (Deprecated)

+
Offscreen Buffers (Deprecated)

+

+

+
Synopsis

+
void *              cogl_offscreen_ref                  (void *offscreen);
+void                cogl_offscreen_unref                (void *offscreen);
+

+

+

+
Description

+

+

+
Details

+

+
cogl_offscreen_ref ()

+
void *              cogl_offscreen_ref                  (void *offscreen);

+

+
Warning

+
cogl_offscreen_ref has been deprecated since version 1.2 and should not be used in newly-written code. cogl_object_ref() should be used in new code.

+

+

+Increments the reference count on the offscreen framebuffer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




offscreen :
A pointer to a CoglOffscreen framebuffer
Returns :
For convenience it returns the
+given offscreen. [transfer none]
+

+

+

+

+
cogl_offscreen_unref ()

+
void                cogl_offscreen_unref                (void *offscreen);

+

+
Warning

+
cogl_offscreen_unref has been deprecated since version 1.2 and should not be used in newly-written code. cogl_object_unref() should be used in new code.

+

+

+Decreases the reference count for the offscreen buffer and frees it when
+the count reaches 0.
+

+

++++
+
+
+
+
+




offscreen :
A pointer to a CoglOffscreen framebuffer

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Offscreen-Buffers.html b/doc/reference/cogl/html/cogl-Offscreen-Buffers.html
new file mode 100644
index 0000000..9dd2a51
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Offscreen-Buffers.html
@@ -0,0 +1,504 @@
+
+
+
+
+Offscreen Buffers
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Offscreen Buffers

+
Offscreen Buffers — Functions for creating and manipulating offscreen
+                    framebuffers.

+

+

+
Synopsis

+
CoglOffscreen *     cogl_offscreen_new_with_texture     (CoglTexture *texture);
+CoglOffscreen *     cogl_offscreen_new_to_texture       (CoglTexture *texture);
+CoglBool            cogl_is_offscreen                   (void *object);
+void                cogl_set_framebuffer                (CoglFramebuffer *buffer);
+void                cogl_push_framebuffer               (CoglFramebuffer *buffer);
+void                cogl_pop_framebuffer                (void);
+void                cogl_set_draw_buffer                (CoglBufferTarget target,
+                                                         CoglHandle offscreen);
+void                cogl_pop_draw_buffer                (void);
+void                cogl_push_draw_buffer               (void);
+

+

+

+
Description

+

+Cogl allows creating and operating on offscreen framebuffers.
+

+

+

+
Details

+

+
cogl_offscreen_new_with_texture ()

+
CoglOffscreen *     cogl_offscreen_new_with_texture     (CoglTexture *texture);

+

+This creates an offscreen framebuffer object using the given
+texture as the primary color buffer. It doesn't just initialize
+the contents of the offscreen buffer with the texture; they are
+tightly bound so that drawing to the offscreen buffer effectively
+updates the contents of the given texture. You don't need to
+destroy the offscreen buffer before you can use the texture again.
+

+

+

+

+
Note
This api only works with low-level CoglTexture types such as
+CoglTexture2D, CoglTexture3D and CoglTextureRectangle, and not
+with meta-texture types such as CoglTexture2DSliced.

+

+

+

+The storage for the framebuffer is actually allocated lazily
+so this function will never return NULL to indicate a runtime
+error. This means it is still possible to configure the framebuffer
+before it is really allocated.
+

+

+Simple applications without full error handling can simply rely on
+Cogl to lazily allocate the storage of framebuffers but you should
+be aware that if Cogl encounters an error (such as running out of
+GPU memory) then your application will simply abort with an error
+message. If you need to be able to catch such exceptions at runtime
+then you can explicitly allocate your framebuffer when you have
+finished configuring it by calling cogl_framebuffer_allocate() and
+passing in a CoglError argument to catch any exceptions.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
A CoglTexture pointer
Returns :
a newly instantiated CoglOffscreen
+framebuffer. [transfer full]
+

+

+

+

+
cogl_offscreen_new_to_texture ()

+
CoglOffscreen *     cogl_offscreen_new_to_texture       (CoglTexture *texture);

+

+
Warning

+
cogl_offscreen_new_to_texture has been deprecated since version 1.16 and should not be used in newly-written code. Use cogl_offscreen_new_with_texture instead.

+

+

+This creates an offscreen buffer object using the given texture as the
+primary color buffer. It doesn't just initialize the contents of the
+offscreen buffer with the texture; they are tightly bound so that
+drawing to the offscreen buffer effectivly updates the contents of the
+given texture. You don't need to destroy the offscreen buffer before
+you can use the texture again.
+

+

+

+

+
Note
This only works with low-level CoglTexture types such as
+CoglTexture2D, CoglTexture3D and CoglTextureRectangle, and not
+with meta-texture types such as CoglTexture2DSliced.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
A CoglTexture pointer
Returns :
a newly instantiated CoglOffscreen
+framebuffer or NULL if it wasn't possible to create the
+buffer. [transfer full]
+

+

+

+

+
cogl_is_offscreen ()

+
CoglBool            cogl_is_offscreen                   (void *object);

+

+Determines whether the given CoglObject references an offscreen
+framebuffer object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A pointer to a CoglObject
+
Returns :

+TRUE if object is a CoglOffscreen framebuffer,
+FALSE otherwise

+

+

+

+
cogl_set_framebuffer ()

+
void                cogl_set_framebuffer                (CoglFramebuffer *buffer);

+

+
Warning

+
cogl_set_framebuffer has been deprecated since version 1.16 and should not be used in newly-written code. The latest drawing apis take explicit
+                  CoglFramebuffer arguments so this stack of
+                  framebuffers shouldn't be used anymore.

+

+

+This redirects all subsequent drawing to the specified framebuffer. This can
+either be an offscreen buffer created with cogl_offscreen_new_to_texture()
+or in the future it may be an onscreen framebuffers too.
+

+

++++
+
+
+
+
+




buffer :
A CoglFramebuffer object, either onscreen or offscreen.

+
Since 1.2

+

+

+

+
cogl_push_framebuffer ()

+
void                cogl_push_framebuffer               (CoglFramebuffer *buffer);

+

+
Warning

+
cogl_push_framebuffer has been deprecated since version 1.16 and should not be used in newly-written code. The latest drawing apis take explicit
+                  CoglFramebuffer arguments so this stack of
+                  framebuffers shouldn't be used anymore.

+

+

+Redirects all subsequent drawing to the specified framebuffer. This can
+either be an offscreen buffer created with cogl_offscreen_new_to_texture()
+or in the future it may be an onscreen framebuffer too.
+

+

+You should understand that a framebuffer owns the following state:
+

+
    
+
  • The projection matrix
    • 
+
  • The modelview matrix stack
    • 
+
  • The viewport
    • 
+
  • The clip stack
    • 
+

+

+So these items will automatically be saved and restored when you
+push and pop between different framebuffers.
+

+

+Also remember a newly allocated framebuffer will have an identity matrix for
+the projection and modelview matrices which gives you a coordinate space
+like OpenGL with (-1, -1) corresponding to the top left of the viewport,
+(1, 1) corresponding to the bottom right and +z coming out towards the
+viewer.
+

+

+If you want to set up a coordinate space like Clutter does with (0, 0)
+corresponding to the top left and (framebuffer_width, framebuffer_height)
+corresponding to the bottom right you can do so like this:
+

+

+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25
+26
+27
+28
+29
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
+41
+42
+43
+44
+45
+46
+47
+48
+49
+50
+51
+52
+53
+54
+55
+56
+57
+58
+59
+60
+61
+62
+63
+64
+65
+66
+67
+68

+
+
+
+
+
+
+
+
+
+
+
+
+static void
+setup_viewport (unsigned int width,
+                unsigned int height,
+                float fovy,
+                float aspect,
+                float z_near,
+                float z_far)
+{
+  float z_camera;
+  CoglMatrix projection_matrix;
+  CoglMatrix mv_matrix;
+
+  cogl_set_viewport (0, 0, width, height);
+  cogl_perspective (fovy, aspect, z_near, z_far);
+
+  cogl_get_projection_matrix (&projection_matrix);
+  z_camera = 0.5 * projection_matrix.xx;
+
+  cogl_matrix_init_identity (&mv_matrix);
+  cogl_matrix_translate (&mv_matrix, -0.5f, -0.5f, -z_camera);
+  cogl_matrix_scale (&mv_matrix, 1.0f / width, -1.0f / height, 1.0f / width);
+  cogl_matrix_translate (&mv_matrix, 0.0f, -1.0 * height, 0.0f);
+  cogl_set_modelview_matrix (&mv_matrix);
+}
+
+static void
+my_init_framebuffer (ClutterStage *stage,
+                     CoglFramebuffer *framebuffer,
+                     unsigned int framebuffer_width,
+                     unsigned int framebuffer_height)
+{
+  ClutterPerspective perspective;
+
+  clutter_stage_get_perspective (stage, &perspective);
+
+  cogl_push_framebuffer (framebuffer);
+  setup_viewport (framebuffer_width,
+                  framebuffer_height,
+                  perspective.fovy,
+                  perspective.aspect,
+                  perspective.z_near,
+                  perspective.z_far);
+}

+

+
+

+

+

+The previous framebuffer can be restored by calling cogl_pop_framebuffer()
+

+

++++
+
+
+
+
+




buffer :
A CoglFramebuffer object, either onscreen or offscreen.

+
Since 1.2

+

+

+

+
cogl_pop_framebuffer ()

+
void                cogl_pop_framebuffer                (void);

+

+
Warning

+
cogl_pop_framebuffer has been deprecated since version 1.16 and should not be used in newly-written code. The latest drawing apis take explicit
+                  CoglFramebuffer arguments so this stack of
+                  framebuffers shouldn't be used anymore.

+

+

+Restores the framebuffer that was previously at the top of the stack.
+All subsequent drawing will be redirected to this framebuffer.
+

+
Since 1.2

+

+

+

+
cogl_set_draw_buffer ()

+
void                cogl_set_draw_buffer                (CoglBufferTarget target,
+                                                         CoglHandle offscreen);

+

+
Warning

+
cogl_set_draw_buffer has been deprecated since version 1.16 and should not be used in newly-written code. The latest drawing apis take explicit
+                  CoglFramebuffer arguments so this stack of
+                  framebuffers shouldn't be used anymore.

+

+

+Redirects all subsequent drawing to the specified framebuffer. This
+can either be an offscreen buffer created with
+cogl_offscreen_new_to_texture() or you can revert to your original
+on screen window buffer.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




target :
A CoglBufferTarget that specifies what kind of framebuffer you
+are setting as the render target.
offscreen :
If you are setting a framebuffer of type COGL_OFFSCREEN_BUFFER
+then this is a CoglHandle for the offscreen buffer.

+

+

+

+
cogl_pop_draw_buffer ()

+
void                cogl_pop_draw_buffer                (void);

+

+
Warning

+
cogl_pop_draw_buffer has been deprecated since version 1.16 and should not be used in newly-written code. The latest drawing apis take explicit
+                  CoglFramebuffer arguments so this stack of
+                  framebuffers shouldn't be used anymore.

+

+

+Restore cogl_set_draw_buffer() state.
+

+

+

+

+
cogl_push_draw_buffer ()

+
void                cogl_push_draw_buffer               (void);

+

+
Warning

+
cogl_push_draw_buffer has been deprecated since version 1.16 and should not be used in newly-written code. The latest drawing apis take explicit
+                  CoglFramebuffer arguments so this stack of
+                  framebuffers shouldn't be used anymore.

+

+

+Save cogl_set_draw_buffer() state.
+

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Path-Primitives.html b/doc/reference/cogl/html/cogl-Path-Primitives.html
new file mode 100644
index 0000000..28b7cc3
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Path-Primitives.html
@@ -0,0 +1,53 @@
+
+
+
+
+Path Primitives
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Path Primitives

+
Path Primitives

+

+

+
Synopsis

+

+

+

+
Description

+

+

+
Details

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Primitives.html b/doc/reference/cogl/html/cogl-Primitives.html
new file mode 100644
index 0000000..779ecc2
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Primitives.html
@@ -0,0 +1,360 @@
+
+
+
+
+Primitives
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Primitives

+
Primitives — Functions that draw various primitive 3D shapes

+

+

+
Synopsis

+
void                cogl_rectangle                      (float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2);
+void                cogl_rectangles                     (const float *verts,
+                                                         unsigned int n_rects);
+void                cogl_rectangle_with_texture_coords  (float x1,
+                                                         float y1,
+                                                         float x2,
+                                                         float y2,
+                                                         float tx1,
+                                                         float ty1,
+                                                         float tx2,
+                                                         float ty2);
+void                cogl_rectangles_with_texture_coords (const float *verts,
+                                                         unsigned int n_rects);
+void                cogl_rectangle_with_multitexture_coords
+                                                        (float x1,
+                                                         float y1,
+                                                         float x2,
+                                                         float y2,
+                                                         const float *tex_coords,
+                                                         int tex_coords_len);
+void                cogl_polygon                        (const CoglTextureVertex *vertices,
+                                                         unsigned int n_vertices,
+                                                         CoglBool use_color);
+

+

+

+
Description

+

+The primitives API provides utilities for drawing some
+common 3D shapes in a more convenient way than the CoglVertexBuffer
+API provides.
+

+

+

+
Details

+

+
cogl_rectangle ()

+
void                cogl_rectangle                      (float x_1,
+                                                         float y_1,
+                                                         float x_2,
+                                                         float y_2);

+

+Fills a rectangle at the given coordinates with the current source material
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x_1 :
X coordinate of the top-left corner
y_1 :
Y coordinate of the top-left corner
x_2 :
X coordinate of the bottom-right corner
y_2 :
Y coordinate of the bottom-right corner

+

+

+

+
cogl_rectangles ()

+
void                cogl_rectangles                     (const float *verts,
+                                                         unsigned int n_rects);

+

+Draws a series of rectangles in the same way that
+cogl_rectangle() does. In some situations it can give a
+significant performance boost to use this function rather than
+calling cogl_rectangle() separately for each rectangle.
+

+

+verts should point to an array of floats with
+n_rects * 4 elements. Each group of 4 values corresponds to the
+parameters x1, y1, x2, and y2, and have the same
+meaning as in cogl_rectangle().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




verts :
an array of vertices. [in][array][transfer none]
+
n_rects :
number of rectangles to draw

+
Since 1.0

+

+

+

+
cogl_rectangle_with_texture_coords ()

+
void                cogl_rectangle_with_texture_coords  (float x1,
+                                                         float y1,
+                                                         float x2,
+                                                         float y2,
+                                                         float tx1,
+                                                         float ty1,
+                                                         float tx2,
+                                                         float ty2);

+

+Draw a rectangle using the current material and supply texture coordinates
+to be used for the first texture layer of the material. To draw the entire
+texture pass in tx1=0.0 ty1=0.0 tx2=1.0 ty2=1.0.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x1 :
x coordinate upper left on screen.
y1 :
y coordinate upper left on screen.
x2 :
x coordinate lower right on screen.
y2 :
y coordinate lower right on screen.
tx1 :
x part of texture coordinate to use for upper left pixel
ty1 :
y part of texture coordinate to use for upper left pixel
tx2 :
x part of texture coordinate to use for lower right pixel
ty2 :
y part of texture coordinate to use for left pixel

+
Since 1.0

+

+

+

+
cogl_rectangles_with_texture_coords ()

+
void                cogl_rectangles_with_texture_coords (const float *verts,
+                                                         unsigned int n_rects);

+

+Draws a series of rectangles in the same way that
+cogl_rectangle_with_texture_coords() does. In some situations it can give a
+significant performance boost to use this function rather than
+calling cogl_rectangle_with_texture_coords() separately for each rectangle.
+

+

+verts should point to an array of floats with
+n_rects * 8 elements. Each group of 8 values corresponds to the
+parameters x1, y1, x2, y2, tx1, ty1, tx2 and ty2 and have the same
+meaning as in cogl_rectangle_with_texture_coords().
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




verts :
an array of vertices. [in][array][transfer none]
+
n_rects :
number of rectangles to draw

+
Since 0.8.6

+

+

+

+
cogl_rectangle_with_multitexture_coords ()

+
void                cogl_rectangle_with_multitexture_coords
+                                                        (float x1,
+                                                         float y1,
+                                                         float x2,
+                                                         float y2,
+                                                         const float *tex_coords,
+                                                         int tex_coords_len);

+

+This function draws a rectangle using the current source material to
+texture or fill with. As a material may contain multiple texture layers
+this interface lets you supply texture coordinates for each layer of the
+material.
+

+

+The first pair of coordinates are for the first layer (with the smallest
+layer index) and if you supply less texture coordinates than there are
+layers in the current source material then default texture coordinates
+(0.0, 0.0, 1.0, 1.0) are generated.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




x1 :
x coordinate upper left on screen.
y1 :
y coordinate upper left on screen.
x2 :
x coordinate lower right on screen.
y2 :
y coordinate lower right on screen.
tex_coords :
An array containing groups of
+4 float values: [tx1, ty1, tx2, ty2] that are interpreted as two texture
+coordinates; one for the upper left texel, and one for the lower right
+texel. Each value should be between 0.0 and 1.0, where the coordinate
+(0.0, 0.0) represents the top left of the texture, and (1.0, 1.0) the
+bottom right. [in][array][transfer none]
+
tex_coords_len :
The length of the tex_coords array. (e.g. for one layer
+and one group of texture coordinates, this would be 4)

+
Since 1.0

+

+

+

+
cogl_polygon ()

+
void                cogl_polygon                        (const CoglTextureVertex *vertices,
+                                                         unsigned int n_vertices,
+                                                         CoglBool use_color);

+

+Draws a convex polygon using the current source material to fill / texture
+with according to the texture coordinates passed.
+

+

+If use_color is TRUE then the color will be changed for each vertex using
+the value specified in the color member of CoglTextureVertex. This can be
+used for example to make the texture fade out by setting the alpha value of
+the color.
+

+

+All of the texture coordinates must be in the range [0,1] and repeating the
+texture is not supported.
+

+

+Because of the way this function is implemented it will currently
+only work if either the texture is not sliced or the backend is not
+OpenGL ES and the minifying and magnifying functions are both set
+to COGL_MATERIAL_FILTER_NEAREST.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




vertices :
An array of CoglTextureVertex structs
n_vertices :
The length of the vertices array
use_color :

+TRUE if the color member of CoglTextureVertex should be used

+
Since 1.0

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Quaternions-(Rotations).html b/doc/reference/cogl/html/cogl-Quaternions-(Rotations).html
new file mode 100644
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@@ -0,0 +1,1081 @@
+
+
+
+
+Quaternions (Rotations)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Quaternions (Rotations)

+
Quaternions (Rotations) — Functions for initializing and manipulating
+quaternions.

+

+

+
Synopsis

+
                    CoglQuaternion;
+void                cogl_quaternion_init_identity       (CoglQuaternion *quaternion);
+void                cogl_quaternion_init                (CoglQuaternion *quaternion,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_quaternion_init_from_angle_vector
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle,
+                                                         const float *axis3f);
+void                cogl_quaternion_init_from_array     (CoglQuaternion *quaternion,
+                                                         const float *array);
+void                cogl_quaternion_init_from_x_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);
+void                cogl_quaternion_init_from_y_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);
+void                cogl_quaternion_init_from_z_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);
+CoglBool            cogl_quaternion_equal               (const void *v1,
+                                                         const void *v2);
+CoglQuaternion *    cogl_quaternion_copy                (const CoglQuaternion *src);
+void                cogl_quaternion_free                (CoglQuaternion *quaternion);
+float               cogl_quaternion_get_rotation_angle  (const CoglQuaternion *quaternion);
+void                cogl_quaternion_get_rotation_axis   (const CoglQuaternion *quaternion,
+                                                         float *vector3);
+void                cogl_quaternion_normalize           (CoglQuaternion *quaternion);
+float               cogl_quaternion_dot_product         (const CoglQuaternion *a,
+                                                         const CoglQuaternion *b);
+void                cogl_quaternion_invert              (CoglQuaternion *quaternion);
+void                cogl_quaternion_multiply            (CoglQuaternion *result,
+                                                         const CoglQuaternion *left,
+                                                         const CoglQuaternion *right);
+void                cogl_quaternion_pow                 (CoglQuaternion *quaternion,
+                                                         float exponent);
+void                cogl_quaternion_slerp               (CoglQuaternion *result,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         float t);
+void                cogl_quaternion_nlerp               (CoglQuaternion *result,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         float t);
+void                cogl_quaternion_squad               (CoglQuaternion *result,
+                                                         const CoglQuaternion *prev,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         const CoglQuaternion *next,
+                                                         float t);
+const CoglQuaternion * cogl_get_static_identity_quaternion
+                                                        (void);
+const CoglQuaternion * cogl_get_static_zero_quaternion  (void);
+

+

+

+
Description

+

+Quaternions have become a standard form for representing 3D
+rotations and have some nice properties when compared with other
+representation such as (roll,pitch,yaw) Euler angles. They can be
+used to interpolate between different rotations and they don't
+suffer from a problem called
+"Gimbal lock"
+where two of the axis of rotation may become aligned and you loose a
+degree of freedom.
+.
+

+

+

+
Details

+

+
CoglQuaternion

+
typedef struct {
+  float w;
+
+  float x;
+  float y;
+  float z;
+} CoglQuaternion;
+

+

+A quaternion is comprised of a scalar component and a 3D vector
+component. The scalar component is normally referred to as w and the
+vector might either be referred to as v or a (for axis) or expanded
+with the individual components: (x, y, z) A full quaternion would
+then be written as [w (x, y, z)].
+

+

+Quaternions can be considered to represent an axis and angle
+pair although sadly these numbers are buried somewhat under some
+maths...
+

+

+For the curious you can see here that a given axis (a) and angle (𝜃)
+pair are represented in a quaternion as follows:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+[w=cos(𝜃/2) ( x=sin(𝜃/2)*a.x, y=sin(𝜃/2)*a.y, z=sin(𝜃/2)*a.x )]

+

+
+

+

+

+Unit Quaternions:
+When using Quaternions to represent spatial orientations for 3D
+graphics it's always assumed you have a unit quaternion. The
+magnitude of a quaternion is defined as:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+sqrt (w² + x² + y² + z²)

+

+
+

+and a unit quaternion satisfies this equation:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+w² + x² + y² + z² = 1

+

+
+

+

+

+Thankfully most of the time we don't actually have to worry about
+the maths that goes on behind the scenes but if you are curious to
+learn more here are some external references:
+

+

+

+

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




float w;
based on the angle of rotation it is cos(𝜃/2)
float x;
based on the angle of rotation and x component of the axis of
+rotation it is sin(𝜃/2)*axis.x
float y;
based on the angle of rotation and y component of the axis of
+rotation it is sin(𝜃/2)*axis.y
float z;
based on the angle of rotation and z component of the axis of
+rotation it is sin(𝜃/2)*axis.z

+

+

+

+
cogl_quaternion_init_identity ()

+
void                cogl_quaternion_init_identity       (CoglQuaternion *quaternion);

+

+Initializes the quaternion with the canonical quaternion identity
+[1 (0, 0, 0)] which represents no rotation. Multiplying a
+quaternion with this identity leaves the quaternion unchanged.
+

+

+You might also want to consider using
+cogl_get_static_identity_quaternion().
+

+

++++
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_init ()

+
void                cogl_quaternion_init                (CoglQuaternion *quaternion,
+                                                         float angle,
+                                                         float x,
+                                                         float y,
+                                                         float z);

+

+Initializes a quaternion that rotates angle degrees around the
+axis vector (x, y, z). The axis vector does not need to be
+normalized.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle you want to rotate around the given axis
x :
The x component of your axis vector about which you want to
+rotate.
y :
The y component of your axis vector about which you want to
+rotate.
z :
The z component of your axis vector about which you want to
+rotate.
Returns :
A normalized, unit quaternion representing an orientation
+rotated angle degrees around the axis vector (x, y, z)

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_angle_vector ()

+
void                cogl_quaternion_init_from_angle_vector
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle,
+                                                         const float *axis3f);

+

+Initializes a quaternion that rotates angle degrees around the
+given axis vector. The axis vector does not need to be
+normalized.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle to rotate around axis3f
+
axis3f :
your 3 component axis vector about which you want to rotate.
Returns :
A normalized, unit quaternion representing an orientation
+rotated angle degrees around the given axis vector.

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_array ()

+
void                cogl_quaternion_init_from_array     (CoglQuaternion *quaternion,
+                                                         const float *array);

+

+Initializes a [w (x, y,z)] quaternion directly from an array of 4
+floats: [w,x,y,z].
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
A CoglQuaternion
+
array :
An array of 4 floats w,(x,y,z)

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_x_rotation ()

+
void                cogl_quaternion_init_from_x_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);

+

+XXX: check which direction this rotates
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle to rotate around the x axis

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_y_rotation ()

+
void                cogl_quaternion_init_from_y_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle to rotate around the y axis

+
Since 2.0

+

+

+

+
cogl_quaternion_init_from_z_rotation ()

+
void                cogl_quaternion_init_from_z_rotation
+                                                        (CoglQuaternion *quaternion,
+                                                         float angle);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
An uninitialized CoglQuaternion
+
angle :
The angle to rotate around the z axis

+
Since 2.0

+

+

+

+
cogl_quaternion_equal ()

+
CoglBool            cogl_quaternion_equal               (const void *v1,
+                                                         const void *v2);

+

+Compares that all the components of quaternions a and b are
+equal.
+

+

+An epsilon value is not used to compare the float components, but
+the == operator is at least used so that 0 and -0 are considered
+equal.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




v1 :
A CoglQuaternion
+
v2 :
A CoglQuaternion
+
Returns :

+TRUE if the quaternions are equal else FALSE.

+
Since 2.0

+

+

+

+
cogl_quaternion_copy ()

+
CoglQuaternion *    cogl_quaternion_copy                (const CoglQuaternion *src);

+

+Allocates a new CoglQuaternion on the stack and initializes it with
+the same values as src.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




src :
A CoglQuaternion
+
Returns :
A newly allocated CoglQuaternion which should be freed
+using cogl_quaternion_free()
+

+
Since 2.0

+

+

+

+
cogl_quaternion_free ()

+
void                cogl_quaternion_free                (CoglQuaternion *quaternion);

+

+Frees a CoglQuaternion that was previously allocated via
+cogl_quaternion_copy().
+

+

++++
+
+
+
+
+




quaternion :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_get_rotation_angle ()

+
float               cogl_quaternion_get_rotation_angle  (const CoglQuaternion *quaternion);

+

++++
+
+
+
+
+




quaternion :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_get_rotation_axis ()

+
void                cogl_quaternion_get_rotation_axis   (const CoglQuaternion *quaternion,
+                                                         float *vector3);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
A CoglQuaternion
+
vector3 :
an allocated 3-float array. [out]
+

+
Since 2.0

+

+

+

+
cogl_quaternion_normalize ()

+
void                cogl_quaternion_normalize           (CoglQuaternion *quaternion);

+

++++
+
+
+
+
+




quaternion :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_dot_product ()

+
float               cogl_quaternion_dot_product         (const CoglQuaternion *a,
+                                                         const CoglQuaternion *b);

+

++++
+
+
+
+
+
+
+
+
+
+
+




a :
A CoglQuaternion
+
b :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_invert ()

+
void                cogl_quaternion_invert              (CoglQuaternion *quaternion);

+

++++
+
+
+
+
+




quaternion :
A CoglQuaternion
+

+
Since 2.0

+

+

+

+
cogl_quaternion_multiply ()

+
void                cogl_quaternion_multiply            (CoglQuaternion *result,
+                                                         const CoglQuaternion *left,
+                                                         const CoglQuaternion *right);

+

+This combines the rotations of two quaternions into result. The
+operation is not commutative so the order is important because AxB
+!= BxA. Cogl follows the standard convention for quaternions here
+so the rotations are applied right to left. This is similar to the
+combining of matrices.
+

+

+

+

+
Note
It is possible to multiply the a quaternion in-place, so
+result can be equal to a but can't be equal to b.

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
The destination CoglQuaternion
+
left :
The second CoglQuaternion rotation to apply
right :
The first CoglQuaternion rotation to apply

+
Since 2.0

+

+

+

+
cogl_quaternion_pow ()

+
void                cogl_quaternion_pow                 (CoglQuaternion *quaternion,
+                                                         float exponent);

+

++++
+
+
+
+
+
+
+
+
+
+
+




quaternion :
A CoglQuaternion
+
exponent :
the exponent

+
Since 2.0

+

+

+

+
cogl_quaternion_slerp ()

+
void                cogl_quaternion_slerp               (CoglQuaternion *result,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         float t);

+

+Performs a spherical linear interpolation between two quaternions.
+

+

+Noteable properties:
+

+
    
+
  • 
+commutative: No
+
    • 
+
  • 
+constant velocity: Yes
+
    • 
+
  • 
+torque minimal (travels along the surface of the 4-sphere): Yes
+
    • 
+
  • 
+more expensive than cogl_quaternion_nlerp()
+
    • 
+

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
The destination CoglQuaternion
+
a :
The first CoglQuaternion
+
b :
The second CoglQuaternion
+
t :
The factor in the range [0,1] used to interpolate between
+quaternion a and b.

+

+

+

+
cogl_quaternion_nlerp ()

+
void                cogl_quaternion_nlerp               (CoglQuaternion *result,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         float t);

+

+Performs a normalized linear interpolation between two quaternions.
+That is it does a linear interpolation of the quaternion components
+and then normalizes the result. This will follow the shortest arc
+between the two orientations (just like the slerp() function) but
+will not progress at a constant speed. Unlike slerp() nlerp is
+commutative which is useful if you are blending animations
+together. (I.e. nlerp (tmp, a, b) followed by nlerp (result, tmp,
+d) is the same as nlerp (tmp, a, d) followed by nlerp (result, tmp,
+b)). Finally nlerp is cheaper than slerp so it can be a good choice
+if you don't need the constant speed property of the slerp() function.
+

+

+Notable properties:
+

+
    
+
  • 
+commutative: Yes
+
    • 
+
  • 
+constant velocity: No
+
    • 
+
  • 
+torque minimal (travels along the surface of the 4-sphere): Yes
+
    • 
+
  • 
+faster than cogl_quaternion_slerp()
+
    • 
+

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
The destination CoglQuaternion
+
a :
The first CoglQuaternion
+
b :
The second CoglQuaternion
+
t :
The factor in the range [0,1] used to interpolate between
+quaterion a and b.

+

+

+

+
cogl_quaternion_squad ()

+
void                cogl_quaternion_squad               (CoglQuaternion *result,
+                                                         const CoglQuaternion *prev,
+                                                         const CoglQuaternion *a,
+                                                         const CoglQuaternion *b,
+                                                         const CoglQuaternion *next,
+                                                         float t);

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
The destination CoglQuaternion
+
prev :
A CoglQuaternion used before a
+
a :
The first CoglQuaternion
+
b :
The second CoglQuaternion
+
next :
A CoglQuaternion that will be used after b
+
t :
The factor in the range [0,1] used to interpolate between
+quaternion a and b.

+
Since 2.0

+

+

+

+
cogl_get_static_identity_quaternion ()

+
const CoglQuaternion * cogl_get_static_identity_quaternion
+                                                        (void);

+

+Returns a pointer to a singleton quaternion constant describing the
+canonical identity [1 (0, 0, 0)] which represents no rotation.
+

+

+If you multiply a quaternion with the identity quaternion you will
+get back the same value as the original quaternion.
+

+

++++
+
+
+
+
+




Returns :
A pointer to an identity quaternion

+
Since 2.0

+

+

+

+
cogl_get_static_zero_quaternion ()

+
const CoglQuaternion * cogl_get_static_zero_quaternion  (void);

+

++++
+
+
+
+
+




Returns :
a pointer to a singleton quaternion constant describing a
+rotation of 180 degrees around a degenerate axis:
+[0 (0, 0, 0)]

+
Since 2.0

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Shaders-and-Programmable-Pipeline-(Deprecated).html b/doc/reference/cogl/html/cogl-Shaders-and-Programmable-Pipeline-(Deprecated).html
new file mode 100644
index 0000000..460182d
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Shaders-and-Programmable-Pipeline-(Deprecated).html
@@ -0,0 +1,396 @@
+
+
+
+
+Shaders and Programmable Pipeline (Deprecated)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Shaders and Programmable Pipeline (Deprecated)

+
Shaders and Programmable Pipeline (Deprecated)

+

+

+
Synopsis

+
CoglHandle          cogl_shader_ref                     (CoglHandle handle);
+void                cogl_shader_unref                   (CoglHandle handle);
+
+CoglHandle          cogl_program_ref                    (CoglHandle handle);
+void                cogl_program_unref                  (CoglHandle handle);
+void                cogl_program_use                    (CoglHandle handle);
+void                cogl_program_uniform_1f             (int uniform_no,
+                                                         float value);
+void                cogl_program_uniform_1i             (int uniform_no,
+                                                         int value);
+void                cogl_program_uniform_float          (int uniform_no,
+                                                         int size,
+                                                         int count,
+                                                         const float *value);
+void                cogl_program_uniform_int            (int uniform_no,
+                                                         int size,
+                                                         int count,
+                                                         const int *value);
+void                cogl_program_uniform_matrix         (int uniform_no,
+                                                         int size,
+                                                         int count,
+                                                         CoglBool transpose,
+                                                         const float *value);
+

+

+

+
Description

+

+

+
Details

+

+
cogl_shader_ref ()

+
CoglHandle          cogl_shader_ref                     (CoglHandle handle);

+

+
Warning

+
cogl_shader_ref has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Add an extra reference to a shader.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
A CoglHandle to a shader.
Returns :
handle

+

+

+

+
cogl_shader_unref ()

+
void                cogl_shader_unref                   (CoglHandle handle);

+

+
Warning

+
cogl_shader_unref has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Removes a reference to a shader. If it was the last reference the
+shader object will be destroyed.
+

+

++++
+
+
+
+
+




handle :
A CoglHandle to a shader.

+

+

+

+
cogl_program_ref ()

+
CoglHandle          cogl_program_ref                    (CoglHandle handle);

+

+
Warning

+
cogl_program_ref has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Add an extra reference to a program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
A CoglHandle to a program.
Returns :
handle

+

+

+

+
cogl_program_unref ()

+
void                cogl_program_unref                  (CoglHandle handle);

+

+
Warning

+
cogl_program_unref has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Removes a reference to a program. If it was the last reference the
+program object will be destroyed.
+

+

++++
+
+
+
+
+




handle :
A CoglHandle to a program.

+

+

+

+
cogl_program_use ()

+
void                cogl_program_use                    (CoglHandle handle);

+

+
Warning

+
cogl_program_use has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Activate a specific shader program replacing that part of the GL
+rendering pipeline, if passed in COGL_INVALID_HANDLE the default
+behavior of GL is reinstated.
+

+

+This function affects the global state of the current Cogl
+context. It is much more efficient to attach the shader to a
+specific material used for rendering instead by calling
+cogl_material_set_user_program().
+

+

++++
+
+
+
+
+




handle :
a CoglHandle for a shader program or COGL_INVALID_HANDLE.

+

+

+

+
cogl_program_uniform_1f ()

+
void                cogl_program_uniform_1f             (int uniform_no,
+                                                         float value);

+

+
Warning

+
cogl_program_uniform_1f has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Changes the value of a floating point uniform in the currently
+used (see cogl_program_use()) shader program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




uniform_no :
the uniform to set.
value :
the new value of the uniform.

+

+

+

+
cogl_program_uniform_1i ()

+
void                cogl_program_uniform_1i             (int uniform_no,
+                                                         int value);

+

+
Warning

+
cogl_program_uniform_1i has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Changes the value of an integer uniform in the currently
+used (see cogl_program_use()) shader program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




uniform_no :
the uniform to set.
value :
the new value of the uniform.

+

+

+

+
cogl_program_uniform_float ()

+
void                cogl_program_uniform_float          (int uniform_no,
+                                                         int size,
+                                                         int count,
+                                                         const float *value);

+

+
Warning

+
cogl_program_uniform_float has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Changes the value of a float vector uniform, or uniform array in the
+currently used (see cogl_program_use()) shader program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




uniform_no :
the uniform to set.
size :
Size of float vector.
count :
Size of array of uniforms.
value :
the new value of the uniform. [array length=count]
+

+

+

+

+
cogl_program_uniform_int ()

+
void                cogl_program_uniform_int            (int uniform_no,
+                                                         int size,
+                                                         int count,
+                                                         const int *value);

+

+
Warning

+
cogl_program_uniform_int has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Changes the value of a int vector uniform, or uniform array in the
+currently used (see cogl_program_use()) shader program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




uniform_no :
the uniform to set.
size :
Size of int vector.
count :
Size of array of uniforms.
value :
the new value of the uniform. [array length=count]
+

+

+

+

+
cogl_program_uniform_matrix ()

+
void                cogl_program_uniform_matrix         (int uniform_no,
+                                                         int size,
+                                                         int count,
+                                                         CoglBool transpose,
+                                                         const float *value);

+

+
Warning

+
cogl_program_uniform_matrix has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Changes the value of a matrix uniform, or uniform array in the
+currently used (see cogl_program_use()) shader program. The size
+parameter is used to determine the square size of the matrix.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




uniform_no :
the uniform to set.
size :
Size of matrix.
count :
Size of array of uniforms.
transpose :
Whether to transpose the matrix when setting the uniform.
value :
the new value of the uniform. [array length=count]
+

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Shaders-and-Programmable-Pipeline.html b/doc/reference/cogl/html/cogl-Shaders-and-Programmable-Pipeline.html
new file mode 100644
index 0000000..ae76e19
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Shaders-and-Programmable-Pipeline.html
@@ -0,0 +1,873 @@
+
+
+
+
+Shaders and Programmable Pipeline
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Shaders and Programmable Pipeline

+
Shaders and Programmable Pipeline — Fuctions for accessing the programmable GL pipeline

+

+

+
Synopsis

+
enum                CoglShaderType;
+CoglHandle          cogl_create_shader                  (CoglShaderType shader_type);
+CoglBool            cogl_is_shader                      (CoglHandle handle);
+void                cogl_shader_source                  (CoglHandle shader,
+                                                         const char *source);
+void                cogl_shader_compile                 (CoglHandle handle);
+char *              cogl_shader_get_info_log            (CoglHandle handle);
+CoglShaderType      cogl_shader_get_type                (CoglHandle handle);
+CoglBool            cogl_shader_is_compiled             (CoglHandle handle);
+
+CoglHandle          cogl_create_program                 (void);
+CoglBool            cogl_is_program                     (CoglHandle handle);
+void                cogl_program_attach_shader          (CoglHandle program_handle,
+                                                         CoglHandle shader_handle);
+void                cogl_program_link                   (CoglHandle handle);
+int                 cogl_program_get_uniform_location   (CoglHandle handle,
+                                                         const char *uniform_name);
+void                cogl_program_set_uniform_1f         (CoglHandle program,
+                                                         int uniform_location,
+                                                         float value);
+void                cogl_program_set_uniform_1i         (CoglHandle program,
+                                                         int uniform_location,
+                                                         int value);
+void                cogl_program_set_uniform_float      (CoglHandle program,
+                                                         int uniform_location,
+                                                         int n_components,
+                                                         int count,
+                                                         const float *value);
+void                cogl_program_set_uniform_int        (CoglHandle program,
+                                                         int uniform_location,
+                                                         int n_components,
+                                                         int count,
+                                                         const int *value);
+void                cogl_program_set_uniform_matrix     (CoglHandle program,
+                                                         int uniform_location,
+                                                         int dimensions,
+                                                         int count,
+                                                         CoglBool transpose,
+                                                         const float *value);
+

+

+

+
Description

+

+Cogl allows accessing the GL programmable pipeline in order to create
+vertex and fragment shaders.
+

+

+The shader source code can either be GLSL or ARBfp. If the source
+code is ARBfp, it must begin with the string “!!ARBfp1.0”. The
+application should check for the COGL_FEATURE_SHADERS_GLSL or
+COGL_FEATURE_SHADERS_ARBFP features before using shaders.
+

+

+When using GLSL Cogl provides replacement names for most of the
+builtin varyings and uniforms. It is recommended to use these names
+wherever possible to increase portability between OpenGL 2.0 and
+GLES 2.0. GLES 2.0 does not have most of the builtins under their
+original names so they will only work with the Cogl names.
+

+

+For use in all GLSL shaders, the Cogl builtins are as follows:
+

+

+

+

+
Tip

+

+
uniform mat4
+        cogl_modelview_matrix

+

+   The current modelview matrix. This is equivalent to
+   gl_ModelViewMatrix.
+  

+
uniform mat4
+        cogl_projection_matrix

+

+   The current projection matrix. This is equivalent to
+   gl_ProjectionMatrix.
+  

+
uniform mat4
+        cogl_modelview_projection_matrix

+

+   The combined modelview and projection matrix. A vertex shader
+   would typically use this to transform the incoming vertex
+   position. The separate modelview and projection matrices are
+   usually only needed for lighting calculations. This is
+   equivalent to gl_ModelViewProjectionMatrix.
+  

+
uniform mat4
+        cogl_texture_matrix[]

+

+   An array of matrices for transforming the texture
+   coordinates. This is equivalent to gl_TextureMatrix.
+  

+

+

+

+

+

+In a vertex shader, the following are also available:
+

+

+

+

+
Tip

+

+
attribute vec4
+        cogl_position_in

+

+   The incoming vertex position. This is equivalent to gl_Vertex.
+  

+
attribute vec4
+        cogl_color_in

+

+   The incoming vertex color. This is equivalent to gl_Color.
+  

+
attribute vec4
+        cogl_tex_coord_in

+

+   The texture coordinate for the first texture unit. This is
+   equivalent to gl_MultiTexCoord0.
+  

+
attribute vec4
+        cogl_tex_coord0_in

+

+   The texture coordinate for the first texture unit. This is
+   equivalent to gl_MultiTexCoord0. There is also
+   cogl_tex_coord1_in and so on.
+  

+
attribute vec3
+        cogl_normal_in

+

+   The normal of the vertex. This is equivalent to gl_Normal.
+  

+
vec4
+        cogl_position_out

+

+   The calculated position of the vertex. This must be written to
+   in all vertex shaders. This is equivalent to gl_Position.
+  

+
float
+        cogl_point_size_out

+

+   The calculated size of a point. This is equivalent to gl_PointSize.
+  

+
varying vec4
+        cogl_color_out

+

+   The calculated color of a vertex. This is equivalent to gl_FrontColor.
+  

+
varying vec4
+        cogl_tex_coord_out[]

+

+   An array of calculated texture coordinates for a vertex. This is
+   equivalent to gl_TexCoord.
+  

+

+

+

+

+

+In a fragment shader, the following are also available:
+

+

+

+

+
Tip

+

+
varying vec4 cogl_color_in

+

+   The calculated color of a vertex. This is equivalent to gl_FrontColor.
+  

+
varying vec4
+             cogl_tex_coord_in[]

+

+   An array of calculated texture coordinates for a vertex. This is
+   equivalent to gl_TexCoord.
+  

+
vec4 cogl_color_out

+

+   The final calculated color of the fragment. All fragment shaders
+   must write to this variable. This is equivalent to
+   gl_FrontColor.
+  

+
float cogl_depth_out

+

+   An optional output variable specifying the depth value to use
+   for this fragment. This is equivalent to gl_FragDepth.
+  

+
bool cogl_front_facing

+

+   A readonly variable that will be true if the current primitive
+   is front facing. This can be used to implement two-sided
+   coloring algorithms. This is equivalent to gl_FrontFacing.
+  

+

+

+

+

+

+It's worth nothing that this API isn't what Cogl would like to have
+in the long term and it may be removed in Cogl 2.0. The
+experimental CoglShader API is the proposed replacement.
+

+

+

+
Details

+

+
enum CoglShaderType

+
typedef enum {
+  COGL_SHADER_TYPE_VERTEX,
+  COGL_SHADER_TYPE_FRAGMENT
+} CoglShaderType;
+

+

+Types of shaders
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




COGL_SHADER_TYPE_VERTEX
A program for proccessing vertices
+
COGL_SHADER_TYPE_FRAGMENT
A program for processing fragments
+

+
Since 1.0

+

+

+

+
cogl_create_shader ()

+
CoglHandle          cogl_create_shader                  (CoglShaderType shader_type);

+

+
Warning

+
cogl_create_shader has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Create a new shader handle, use cogl_shader_source() to set the
+source code to be used on it.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




shader_type :
COGL_SHADER_TYPE_VERTEX or COGL_SHADER_TYPE_FRAGMENT.
Returns :
a new shader handle.

+

+

+

+
cogl_is_shader ()

+
CoglBool            cogl_is_shader                      (CoglHandle handle);

+

+
Warning

+
cogl_is_shader has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Gets whether the given handle references an existing shader object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
A CoglHandle
Returns :

+TRUE if the handle references a shader,
+FALSE otherwise

+

+

+

+
cogl_shader_source ()

+
void                cogl_shader_source                  (CoglHandle shader,
+                                                         const char *source);

+

+
Warning

+
cogl_shader_source has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Replaces the current source associated with a shader with a new
+one.
+

+

+Please see above
+for a description of the recommended format for the shader code.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




shader :

+CoglHandle for a shader.
source :
Shader source.

+

+

+

+
cogl_shader_compile ()

+
void                cogl_shader_compile                 (CoglHandle handle);

+

+
Warning

+
cogl_shader_compile has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Compiles the shader, no return value, but the shader is now ready
+for linking into a program. Note that calling this function is
+optional. If it is not called then the shader will be automatically
+compiled when it is linked.
+

+

++++
+
+
+
+
+




handle :

+CoglHandle for a shader.

+

+

+

+
cogl_shader_get_info_log ()

+
char *              cogl_shader_get_info_log            (CoglHandle handle);

+

+
Warning

+
cogl_shader_get_info_log has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Retrieves the information log for a coglobject, can be used in conjunction
+with cogl_shader_get_parameteriv() to retrieve the compiler warnings/error
+messages that caused a shader to not compile correctly, mainly useful for
+debugging purposes.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :

+CoglHandle for a shader.
Returns :
a newly allocated string containing the info log. Use
+g_free() to free it

+

+

+

+
cogl_shader_get_type ()

+
CoglShaderType      cogl_shader_get_type                (CoglHandle handle);

+

+
Warning

+
cogl_shader_get_type has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Retrieves the type of a shader CoglHandle
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :

+CoglHandle for a shader.
Returns :

+COGL_SHADER_TYPE_VERTEX if the shader is a vertex processor
+or COGL_SHADER_TYPE_FRAGMENT if the shader is a frament processor

+

+

+

+
cogl_shader_is_compiled ()

+
CoglBool            cogl_shader_is_compiled             (CoglHandle handle);

+

+
Warning

+
cogl_shader_is_compiled has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Retrieves whether a shader CoglHandle has been compiled
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :

+CoglHandle for a shader.
Returns :

+TRUE if the shader object has sucessfully be compiled

+

+

+

+
cogl_create_program ()

+
CoglHandle          cogl_create_program                 (void);

+

+
Warning

+
cogl_create_program has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Create a new cogl program object that can be used to replace parts of the GL
+rendering pipeline with custom code.
+

+

++++
+
+
+
+
+




Returns :
a new cogl program.

+

+

+

+
cogl_is_program ()

+
CoglBool            cogl_is_program                     (CoglHandle handle);

+

+
Warning

+
cogl_is_program has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Gets whether the given handle references an existing program object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
A CoglHandle
Returns :

+TRUE if the handle references a program,
+FALSE otherwise

+

+

+

+
cogl_program_attach_shader ()

+
void                cogl_program_attach_shader          (CoglHandle program_handle,
+                                                         CoglHandle shader_handle);

+

+
Warning

+
cogl_program_attach_shader has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Attaches a shader to a program object. A program can have multiple
+vertex or fragment shaders but only one of them may provide a
+main() function. It is allowed to use a program with only a vertex
+shader or only a fragment shader.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




program_handle :
a CoglHandle for a shdaer program.
shader_handle :
a CoglHandle for a vertex of fragment shader.

+

+

+

+
cogl_program_link ()

+
void                cogl_program_link                   (CoglHandle handle);

+

+
Warning

+
cogl_program_link has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api

+

+

+Links a program making it ready for use. Note that calling this
+function is optional. If it is not called the program will
+automatically be linked the first time it is used.
+

+

++++
+
+
+
+
+




handle :
a CoglHandle for a shader program.

+

+

+

+
cogl_program_get_uniform_location ()

+
int                 cogl_program_get_uniform_location   (CoglHandle handle,
+                                                         const char *uniform_name);

+

+
Warning

+
cogl_program_get_uniform_location has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api instead

+

+

+Retrieve the location (offset) of a uniform variable in a shader program,
+a uniform is a variable that is constant for all vertices/fragments for a
+shader object and is possible to modify as an external parameter.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




handle :
a CoglHandle for a shader program.
uniform_name :
the name of a uniform.
Returns :
the offset of a uniform in a specified program.
+This uniform can be set using cogl_program_uniform_1f() when the
+program is in use.

+

+

+

+
cogl_program_set_uniform_1f ()

+
void                cogl_program_set_uniform_1f         (CoglHandle program,
+                                                         int uniform_location,
+                                                         float value);

+

+
Warning

+
cogl_program_set_uniform_1f has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api instead

+

+

+Changes the value of a floating point uniform for the given linked
+program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




program :
A CoglHandle for a linked program
uniform_location :
the uniform location retrieved from
+cogl_program_get_uniform_location().
value :
the new value of the uniform.

+
Since 1.4

+

+

+

+
cogl_program_set_uniform_1i ()

+
void                cogl_program_set_uniform_1i         (CoglHandle program,
+                                                         int uniform_location,
+                                                         int value);

+

+
Warning

+
cogl_program_set_uniform_1i has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api instead

+

+

+Changes the value of an integer uniform for the given linked
+program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




program :
A CoglHandle for a linked program
uniform_location :
the uniform location retrieved from
+cogl_program_get_uniform_location().
value :
the new value of the uniform.

+
Since 1.4

+

+

+

+
cogl_program_set_uniform_float ()

+
void                cogl_program_set_uniform_float      (CoglHandle program,
+                                                         int uniform_location,
+                                                         int n_components,
+                                                         int count,
+                                                         const float *value);

+

+
Warning

+
cogl_program_set_uniform_float has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api instead

+

+

+Changes the value of a float vector uniform, or uniform array for
+the given linked program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




program :
A CoglHandle for a linked program
uniform_location :
the uniform location retrieved from
+cogl_program_get_uniform_location().
n_components :
The number of components for the uniform. For
+example with glsl you'd use 3 for a vec3 or 4 for a vec4.
count :
For uniform arrays this is the array length otherwise just
+pass 1
value :
the new value of the uniform[s]. [array length=count]
+

+
Since 1.4

+

+

+

+
cogl_program_set_uniform_int ()

+
void                cogl_program_set_uniform_int        (CoglHandle program,
+                                                         int uniform_location,
+                                                         int n_components,
+                                                         int count,
+                                                         const int *value);

+

+
Warning

+
cogl_program_set_uniform_int has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api instead

+

+

+Changes the value of a int vector uniform, or uniform array for
+the given linked program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




program :
A CoglHandle for a linked program
uniform_location :
the uniform location retrieved from
+cogl_program_get_uniform_location().
n_components :
The number of components for the uniform. For
+example with glsl you'd use 3 for a vec3 or 4 for a vec4.
count :
For uniform arrays this is the array length otherwise just
+pass 1
value :
the new value of the uniform[s]. [array length=count]
+

+
Since 1.4

+

+

+

+
cogl_program_set_uniform_matrix ()

+
void                cogl_program_set_uniform_matrix     (CoglHandle program,
+                                                         int uniform_location,
+                                                         int dimensions,
+                                                         int count,
+                                                         CoglBool transpose,
+                                                         const float *value);

+

+
Warning

+
cogl_program_set_uniform_matrix has been deprecated since version 1.16 and should not be used in newly-written code. Use CoglSnippet api instead

+

+

+Changes the value of a matrix uniform, or uniform array in the
+given linked program.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




program :
A CoglHandle for a linked program
uniform_location :
the uniform location retrieved from
+cogl_program_get_uniform_location().
dimensions :
The dimensions of the matrix. So for for example pass
+2 for a 2x2 matrix or 3 for 3x3.
count :
For uniform arrays this is the array length otherwise just
+pass 1
transpose :
Whether to transpose the matrix when setting the uniform.
value :
the new value of the uniform. [array length=count]
+

+
Since 1.4

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Textures-(Deprecated).html b/doc/reference/cogl/html/cogl-Textures-(Deprecated).html
new file mode 100644
index 0000000..1ca7788
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Textures-(Deprecated).html
@@ -0,0 +1,104 @@
+
+
+
+
+Textures (Deprecated)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Textures (Deprecated)

+
Textures (Deprecated)

+

+

+
Synopsis

+
void *              cogl_texture_ref                    (void *texture);
+void                cogl_texture_unref                  (void *texture);
+

+

+

+
Description

+

+

+
Details

+

+
cogl_texture_ref ()

+
void *              cogl_texture_ref                    (void *texture);

+

+
Warning

+
cogl_texture_ref has been deprecated since version 1.2 and should not be used in newly-written code. Use cogl_object_ref() instead

+

+

+Increment the reference count for a cogl texture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture.
Returns :
the texture pointer.

+

+

+

+
cogl_texture_unref ()

+
void                cogl_texture_unref                  (void *texture);

+

+
Warning

+
cogl_texture_unref has been deprecated since version 1.2 and should not be used in newly-written code. Use cogl_object_unref() instead

+

+

+Decrement the reference count for a cogl texture.
+

+

++++
+
+
+
+
+




texture :
a CoglTexture.

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Textures.html b/doc/reference/cogl/html/cogl-Textures.html
new file mode 100644
index 0000000..c54f657
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Textures.html
@@ -0,0 +1,956 @@
+
+
+
+
+Textures
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Textures

+
Textures — Functions for creating and manipulating textures

+

+

+
Synopsis

+
struct              CoglTextureVertex;
+enum                CoglTextureFlags;
+CoglTexture *       cogl_texture_new_with_size          (unsigned int width,
+                                                         unsigned int height,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat internal_format);
+CoglTexture *       cogl_texture_new_from_file          (const char *filename,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat internal_format,
+                                                         CoglError **error);
+CoglTexture *       cogl_texture_new_from_data          (int width,
+                                                         int height,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat format,
+                                                         CoglPixelFormat internal_format,
+                                                         int rowstride,
+                                                         const uint8_t *data);
+CoglTexture *       cogl_texture_new_from_foreign       (unsigned int gl_handle,
+                                                         unsigned int gl_target,
+                                                         unsigned int width,
+                                                         unsigned int height,
+                                                         unsigned int x_pot_waste,
+                                                         unsigned int y_pot_waste,
+                                                         CoglPixelFormat format);
+CoglTexture *       cogl_texture_new_from_bitmap        (CoglBitmap *bitmap,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat internal_format);
+CoglTexture *       cogl_texture_new_from_sub_texture   (CoglTexture *full_texture,
+                                                         int sub_x,
+                                                         int sub_y,
+                                                         int sub_width,
+                                                         int sub_height);
+CoglBool            cogl_is_texture                     (void *object);
+
+unsigned int        cogl_texture_get_width              (CoglTexture *texture);
+unsigned int        cogl_texture_get_height             (CoglTexture *texture);
+CoglPixelFormat     cogl_texture_get_format             (CoglTexture *texture);
+unsigned int        cogl_texture_get_rowstride          (CoglTexture *texture);
+int                 cogl_texture_get_max_waste          (CoglTexture *texture);
+CoglBool            cogl_texture_is_sliced              (CoglTexture *texture);
+CoglBool            cogl_texture_get_gl_texture         (CoglTexture *texture,
+                                                         unsigned int *out_gl_handle,
+                                                         unsigned int *out_gl_target);
+int                 cogl_texture_get_data               (CoglTexture *texture,
+                                                         CoglPixelFormat format,
+                                                         unsigned int rowstride,
+                                                         uint8_t *data);
+CoglBool            cogl_texture_set_region             (CoglTexture *texture,
+                                                         int src_x,
+                                                         int src_y,
+                                                         int dst_x,
+                                                         int dst_y,
+                                                         unsigned int dst_width,
+                                                         unsigned int dst_height,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         unsigned int rowstride,
+                                                         const uint8_t *data);
+

+

+

+
Description

+

+Cogl allows creating and manipulating textures using a uniform
+API that tries to hide all the various complexities of creating,
+loading and manipulating textures.
+

+

+

+
Details

+

+
struct CoglTextureVertex

+
struct CoglTextureVertex {
+  float x, y, z;
+  float tx, ty;
+
+  CoglColor color;
+};
+

+

+Used to specify vertex information when calling cogl_polygon()
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




float x;
Model x-coordinate
float y;
Model y-coordinate
float z;
Model z-coordinate
float tx;
Texture x-coordinate
float ty;
Texture y-coordinate
CoglColor color;
The color to use at this vertex. This is ignored if
+use_color is FALSE when calling cogl_polygon()
+

+

+

+

+
enum CoglTextureFlags

+
typedef enum {
+  COGL_TEXTURE_NONE           = 0,
+  COGL_TEXTURE_NO_AUTO_MIPMAP = 1 << 0,
+  COGL_TEXTURE_NO_SLICING     = 1 << 1,
+  COGL_TEXTURE_NO_ATLAS       = 1 << 2
+} CoglTextureFlags;
+

+

+Flags to pass to the cogl_texture_new_* family of functions.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_TEXTURE_NONE
No flags specified
+
COGL_TEXTURE_NO_AUTO_MIPMAP
Disables the automatic generation of
+  the mipmap pyramid from the base level image whenever it is
+  updated. The mipmaps are only generated when the texture is
+  rendered with a mipmap filter so it should be free to leave out
+  this flag when using other filtering modes
+
COGL_TEXTURE_NO_SLICING
Disables the slicing of the texture
+
COGL_TEXTURE_NO_ATLAS
Disables the insertion of the texture inside
+  the texture atlas used by Cogl
+

+
Since 1.0

+

+

+

+
cogl_texture_new_with_size ()

+
CoglTexture *       cogl_texture_new_with_size          (unsigned int width,
+                                                         unsigned int height,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat internal_format);

+

+
Warning

+
cogl_texture_new_with_size has been deprecated since version 1.18 and should not be used in newly-written code. Use specific constructors such as
+                  cogl_texture_2d_new_with_size()

+

+

+Creates a new CoglTexture with the specified dimensions and pixel format.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




width :
width of texture in pixels.
height :
height of texture in pixels.
flags :
Optional flags for the texture, or COGL_TEXTURE_NONE
+
internal_format :
the CoglPixelFormat to use for the GPU storage of the
+texture.
Returns :
A newly created CoglTexture or NULL on failure. [transfer full]
+

+
Since 0.8

+

+

+

+
cogl_texture_new_from_file ()

+
CoglTexture *       cogl_texture_new_from_file          (const char *filename,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat internal_format,
+                                                         CoglError **error);

+

+
Warning

+
cogl_texture_new_from_file has been deprecated since version 1.18 and should not be used in newly-written code. Use specific constructors such as
+                  cogl_texture_2d_new_from_file()

+

+

+Creates a CoglTexture from an image file.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




filename :
the file to load
flags :
Optional flags for the texture, or COGL_TEXTURE_NONE
+
internal_format :
the CoglPixelFormat to use for the GPU storage of the
+texture. If COGL_PIXEL_FORMAT_ANY is given then a premultiplied
+format similar to the format of the source data will be used. The
+default blending equations of Cogl expect premultiplied color data;
+the main use of passing a non-premultiplied format here is if you
+have non-premultiplied source data and are going to adjust the blend
+mode (see cogl_material_set_blend()) or use the data for something
+other than straight blending.
error :
return location for a CoglError or NULL
+
Returns :
A newly created CoglTexture or
+NULL on failure. [transfer full]
+

+
Since 0.8

+

+

+

+
cogl_texture_new_from_data ()

+
CoglTexture *       cogl_texture_new_from_data          (int width,
+                                                         int height,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat format,
+                                                         CoglPixelFormat internal_format,
+                                                         int rowstride,
+                                                         const uint8_t *data);

+

+
Warning

+
cogl_texture_new_from_data has been deprecated since version 1.18 and should not be used in newly-written code. Use specific constructors such as
+                  cogl_texture_2d_new_from_data()

+

+

+Creates a new CoglTexture based on data residing in memory.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




width :
width of texture in pixels
height :
height of texture in pixels
flags :
Optional flags for the texture, or COGL_TEXTURE_NONE
+
format :
the CoglPixelFormat the buffer is stored in in RAM
internal_format :
the CoglPixelFormat that will be used for storing
+the buffer on the GPU. If COGL_PIXEL_FORMAT_ANY is given then a
+premultiplied format similar to the format of the source data will
+be used. The default blending equations of Cogl expect premultiplied
+color data; the main use of passing a non-premultiplied format here
+is if you have non-premultiplied source data and are going to adjust
+the blend mode (see cogl_material_set_blend()) or use the data for
+something other than straight blending.
rowstride :
the memory offset in bytes between the starts of
+scanlines in data
+
data :
pointer the memory region where the source buffer resides
Returns :
A newly created CoglTexture or
+NULL on failure. [transfer full]
+

+
Since 0.8

+

+

+

+
cogl_texture_new_from_foreign ()

+
CoglTexture *       cogl_texture_new_from_foreign       (unsigned int gl_handle,
+                                                         unsigned int gl_target,
+                                                         unsigned int width,
+                                                         unsigned int height,
+                                                         unsigned int x_pot_waste,
+                                                         unsigned int y_pot_waste,
+                                                         CoglPixelFormat format);

+

+
Warning

+
cogl_texture_new_from_foreign has been deprecated since version 1.18 and should not be used in newly-written code. Use specific constructors such as
+                  cogl_texture_2d_new_from_foreign()

+

+

+Creates a CoglTexture based on an existing OpenGL texture; the
+width, height and format are passed along since it is not always
+possible to query these from OpenGL.
+

+

+The waste arguments allow you to create a Cogl texture that maps to
+a region smaller than the real OpenGL texture. For instance if your
+hardware only supports power-of-two textures you may load a
+non-power-of-two image into a larger power-of-two texture and use
+the waste arguments to tell Cogl which region should be mapped to
+the texture coordinate range [0:1].
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




gl_handle :
opengl handle of foreign texture.
gl_target :
opengl target type of foreign texture
width :
width of foreign texture
height :
height of foreign texture.
x_pot_waste :
horizontal waste on the right hand edge of the texture.
y_pot_waste :
vertical waste on the bottom edge of the texture.
format :
format of the foreign texture.
Returns :
A newly created CoglTexture or
+NULL on failure. [transfer full]
+

+
Since 0.8

+

+

+

+
cogl_texture_new_from_bitmap ()

+
CoglTexture *       cogl_texture_new_from_bitmap        (CoglBitmap *bitmap,
+                                                         CoglTextureFlags flags,
+                                                         CoglPixelFormat internal_format);

+

+
Warning

+
cogl_texture_new_from_bitmap has been deprecated since version 1.18 and should not be used in newly-written code. Use specific constructors such as
+                  cogl_texture_2d_new_from_bitmap()

+

+

+Creates a CoglTexture from a CoglBitmap.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




bitmap :
A CoglBitmap pointer
flags :
Optional flags for the texture, or COGL_TEXTURE_NONE
+
internal_format :
the CoglPixelFormat to use for the GPU storage of the
+texture
Returns :
A newly created CoglTexture or
+NULL on failure. [transfer full]
+

+
Since 1.0

+

+

+

+
cogl_texture_new_from_sub_texture ()

+
CoglTexture *       cogl_texture_new_from_sub_texture   (CoglTexture *full_texture,
+                                                         int sub_x,
+                                                         int sub_y,
+                                                         int sub_width,
+                                                         int sub_height);

+

+
Warning

+
cogl_texture_new_from_sub_texture has been deprecated since version 1.18 and should not be used in newly-written code. Use cogl_sub_texture_new()

+

+

+Creates a new texture which represents a subregion of another
+texture. The GL resources will be shared so that no new texture
+data is actually allocated.
+

+

+Sub textures have undefined behaviour texture coordinates outside
+of the range [0,1] are used. They also do not work with
+CoglVertexBuffers.
+

+

+The sub texture will keep a reference to the full texture so you do
+not need to keep one separately if you only want to use the sub
+texture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




full_texture :
a CoglTexture pointer
sub_x :
X coordinate of the top-left of the subregion
sub_y :
Y coordinate of the top-left of the subregion
sub_width :
Width in pixels of the subregion
sub_height :
Height in pixels of the subregion
Returns :
A newly created CoglTexture or
+NULL on failure. [transfer full]
+

+
Since 1.2

+

+

+

+
cogl_is_texture ()

+
CoglBool            cogl_is_texture                     (void *object);

+

+Gets whether the given object references a texture object.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




object :
A CoglObject pointer
Returns :

+TRUE if the object references a texture, and
+FALSE otherwise

+

+

+

+
cogl_texture_get_width ()

+
unsigned int        cogl_texture_get_width              (CoglTexture *texture);

+

+Queries the width of a cogl texture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
Returns :
the width of the GPU side texture in pixels

+

+

+

+
cogl_texture_get_height ()

+
unsigned int        cogl_texture_get_height             (CoglTexture *texture);

+

+Queries the height of a cogl texture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
Returns :
the height of the GPU side texture in pixels

+

+

+

+
cogl_texture_get_format ()

+
CoglPixelFormat     cogl_texture_get_format             (CoglTexture *texture);

+

+
Warning

+
cogl_texture_get_format has been deprecated since version 1.18 and should not be used in newly-written code. This api is misleading

+

+

+Queries the CoglPixelFormat of a cogl texture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
Returns :
the CoglPixelFormat of the GPU side texture

+

+

+

+
cogl_texture_get_rowstride ()

+
unsigned int        cogl_texture_get_rowstride          (CoglTexture *texture);

+

+
Warning

+
cogl_texture_get_rowstride has been deprecated since version 1.10 and should not be used in newly-written code. There's no replacement for the API but there's
+                  also no known need for API either. It was just
+                  a mistake that it was ever published.

+

+

+Determines the bytes-per-pixel for the CoglPixelFormat retrieved
+from cogl_texture_get_format() and multiplies that by the texture's
+width.
+

+

+

+

+
Note
It's very unlikely that anyone would need to use this API to
+query the internal rowstride of a CoglTexture which can just be
+considered an implementation detail. Actually it's not even useful
+internally since underlying drivers are free to use a different
+format

+

+

+

+

+

+
Note
This API is only here for backwards compatibility and
+shouldn't be used in new code. In particular please don't be
+mislead to pass the returned value to cogl_texture_get_data() for
+the rowstride, since you should be passing the rowstride you desire
+for your destination buffer not the rowstride of the source
+texture.

+

+

+

++++
+
+
+
+
+




Returns :
The bytes-per-pixel for the current format
+multiplied by the texture's width

+

+

+

+
cogl_texture_get_max_waste ()

+
int                 cogl_texture_get_max_waste          (CoglTexture *texture);

+

+Queries the maximum wasted (unused) pixels in one dimension of a GPU side
+texture.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
Returns :
the maximum waste

+

+

+

+
cogl_texture_is_sliced ()

+
CoglBool            cogl_texture_is_sliced              (CoglTexture *texture);

+

+Queries if a texture is sliced (stored as multiple GPU side tecture
+objects).
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
Returns :

+TRUE if the texture is sliced, FALSE if the texture
+is stored as a single GPU texture

+

+

+

+
cogl_texture_get_gl_texture ()

+
CoglBool            cogl_texture_get_gl_texture         (CoglTexture *texture,
+                                                         unsigned int *out_gl_handle,
+                                                         unsigned int *out_gl_target);

+

+Queries the GL handles for a GPU side texture through its CoglTexture.
+

+

+If the texture is spliced the data for the first sub texture will be
+queried.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
out_gl_handle :
pointer to return location for the
+textures GL handle, or NULL. [out][allow-none]
+
out_gl_target :
pointer to return location for the
+GL target type, or NULL. [out][allow-none]
+
Returns :

+TRUE if the handle was successfully retrieved, FALSE
+if the handle was invalid

+

+

+

+
cogl_texture_get_data ()

+
int                 cogl_texture_get_data               (CoglTexture *texture,
+                                                         CoglPixelFormat format,
+                                                         unsigned int rowstride,
+                                                         uint8_t *data);

+

+Copies the pixel data from a cogl texture to system memory.
+

+

+

+

+
Note
Don't pass the value of cogl_texture_get_rowstride() as the
+rowstride argument, the rowstride should be the rowstride you
+want for the destination data buffer not the rowstride of the
+source texture

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture pointer.
format :
the CoglPixelFormat to store the texture as.
rowstride :
the rowstride of data in bytes or pass 0 to calculate
+from the bytes-per-pixel of format multiplied by the
+texture width.
data :
memory location to write the texture's contents, or NULL
+to only query the data size through the return value.
Returns :
the size of the texture data in bytes

+

+

+

+
cogl_texture_set_region ()

+
CoglBool            cogl_texture_set_region             (CoglTexture *texture,
+                                                         int src_x,
+                                                         int src_y,
+                                                         int dst_x,
+                                                         int dst_y,
+                                                         unsigned int dst_width,
+                                                         unsigned int dst_height,
+                                                         int width,
+                                                         int height,
+                                                         CoglPixelFormat format,
+                                                         unsigned int rowstride,
+                                                         const uint8_t *data);

+

+Sets the pixels in a rectangular subregion of texture from an in-memory
+buffer containing pixel data.
+

+

+

+

+
Note
The region set can't be larger than the source data
+

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




texture :
a CoglTexture.
src_x :
upper left coordinate to use from source data.
src_y :
upper left coordinate to use from source data.
dst_x :
upper left destination horizontal coordinate.
dst_y :
upper left destination vertical coordinate.
dst_width :
width of destination region to write. (Must be less
+than or equal to width)
dst_height :
height of destination region to write. (Must be less
+than or equal to height)
width :
width of source data buffer.
height :
height of source data buffer.
format :
the CoglPixelFormat used in the source buffer.
rowstride :
rowstride of source buffer (computed from width if none
+specified)
data :
the actual pixel data.
Returns :

+TRUE if the subregion upload was successful, and
+FALSE otherwise

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Vectors.html b/doc/reference/cogl/html/cogl-Vectors.html
new file mode 100644
index 0000000..c7c06d4
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Vectors.html
@@ -0,0 +1,798 @@
+
+
+
+
+Vectors
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Vectors

+
Vectors — Functions for handling single precision float
+                    vectors.

+

+

+
Synopsis

+
void                cogl_vector3_init                   (float *vector,
+                                                         float x,
+                                                         float y,
+                                                         float z);
+void                cogl_vector3_init_zero              (float *vector);
+CoglBool            cogl_vector3_equal                  (const void *v1,
+                                                         const void *v2);
+CoglBool            cogl_vector3_equal_with_epsilon     (const float *vector0,
+                                                         const float *vector1,
+                                                         float epsilon);
+float *             cogl_vector3_copy                   (const float *vector);
+void                cogl_vector3_free                   (float *vector);
+void                cogl_vector3_invert                 (float *vector);
+void                cogl_vector3_add                    (float *result,
+                                                         const float *a,
+                                                         const float *b);
+void                cogl_vector3_subtract               (float *result,
+                                                         const float *a,
+                                                         const float *b);
+void                cogl_vector3_multiply_scalar        (float *vector,
+                                                         float scalar);
+void                cogl_vector3_divide_scalar          (float *vector,
+                                                         float scalar);
+void                cogl_vector3_normalize              (float *vector);
+float               cogl_vector3_magnitude              (const float *vector);
+void                cogl_vector3_cross_product          (float *result,
+                                                         const float *u,
+                                                         const float *v);
+float               cogl_vector3_dot_product            (const float *a,
+                                                         const float *b);
+float               cogl_vector3_distance               (const float *a,
+                                                         const float *b);
+

+

+

+
Description

+

+This exposes a utility API that can be used for basic manipulation of 3
+component float vectors.
+

+

+

+
Details

+

+
cogl_vector3_init ()

+
void                cogl_vector3_init                   (float *vector,
+                                                         float x,
+                                                         float y,
+                                                         float z);

+

+Initializes a 3 component, single precision float vector which can
+then be manipulated with the cogl_vector convenience APIs. Vectors
+can also be used in places where a "point" is often desired.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




vector :
The 3 component vector you want to initialize
x :
The x component
y :
The y component
z :
The z component

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_init_zero ()

+
void                cogl_vector3_init_zero              (float *vector);

+

+Initializes a 3 component, single precision float vector with zero
+for each component.
+

+

++++
+
+
+
+
+




vector :
The 3 component vector you want to initialize

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_equal ()

+
CoglBool            cogl_vector3_equal                  (const void *v1,
+                                                         const void *v2);

+

+Compares the components of two vectors and returns TRUE if they are
+the same.
+

+

+The comparison of the components is done with the '==' operator
+such that -0 is considered equal to 0, but otherwise there is no
+fuzziness such as an epsilon to consider vectors that are
+essentially identical except for some minor precision error
+differences due to the way they have been manipulated.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




v1 :
The first 3 component vector you want to compare
v2 :
The second 3 component vector you want to compare
Returns :
TRUE if the vectors are equal else FALSE.

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_equal_with_epsilon ()

+
CoglBool            cogl_vector3_equal_with_epsilon     (const float *vector0,
+                                                         const float *vector1,
+                                                         float epsilon);

+

+Compares the components of two vectors using the given epsilon and
+returns TRUE if they are the same, using an internal epsilon for
+comparing the floats.
+

+

+Each component is compared against the epsilon value in this way:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24
+25

+
+
+
+
+
+
+
+
+
+
+
+
+if (fabsf (vector0->x - vector1->x) < epsilon)

+

+
+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




vector0 :
The first 3 component vector you want to compare
vector1 :
The second 3 component vector you want to compare
epsilon :
The allowable difference between components to still be
+considered equal
Returns :
TRUE if the vectors are equal else FALSE.

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_copy ()

+
float *             cogl_vector3_copy                   (const float *vector);

+

+Allocates a new 3 component float vector on the heap initializing
+the components from the given vector and returns a pointer to the
+newly allocated vector. You should free the memory using
+cogl_vector3_free()
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




vector :
The 3 component vector you want to copy
Returns :
A newly allocated 3 component float vector

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_free ()

+
void                cogl_vector3_free                   (float *vector);

+

+Frees a 3 component vector that was previously allocated with
+cogl_vector3_copy()
+

+

++++
+
+
+
+
+




vector :
The 3 component you want to free

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_invert ()

+
void                cogl_vector3_invert                 (float *vector);

+

+Inverts/negates all the components of the given vector.
+

+

++++
+
+
+
+
+




vector :
The 3 component vector you want to manipulate

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_add ()

+
void                cogl_vector3_add                    (float *result,
+                                                         const float *a,
+                                                         const float *b);

+

+Adds each of the corresponding components in vectors a and b
+storing the results in result.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
Where you want the result written
a :
The first vector operand
b :
The second vector operand

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_subtract ()

+
void                cogl_vector3_subtract               (float *result,
+                                                         const float *a,
+                                                         const float *b);

+

+Subtracts each of the corresponding components in vector b from
+a storing the results in result.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
Where you want the result written
a :
The first vector operand
b :
The second vector operand

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_multiply_scalar ()

+
void                cogl_vector3_multiply_scalar        (float *vector,
+                                                         float scalar);

+

+Multiplies each of the vector components by the given scalar.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




vector :
The 3 component vector you want to manipulate
scalar :
The scalar you want to multiply the vector components by

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_divide_scalar ()

+
void                cogl_vector3_divide_scalar          (float *vector,
+                                                         float scalar);

+

+Divides each of the vector components by the given scalar.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




vector :
The 3 component vector you want to manipulate
scalar :
The scalar you want to divide the vector components by

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_normalize ()

+
void                cogl_vector3_normalize              (float *vector);

+

+Updates the vector so it is a "unit vector" such that the
+vectors magnitude or length is equal to 1.
+

+

+

+

+
Note
It's safe to use this function with the [0, 0, 0] vector, it will not
+try to divide components by 0 (its norm) and will leave the vector
+untouched.

+

+

+

++++
+
+
+
+
+




vector :
The 3 component vector you want to manipulate

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_magnitude ()

+
float               cogl_vector3_magnitude              (const float *vector);

+

+Calculates the scalar magnitude or length of vector.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




vector :
The 3 component vector you want the magnitude for
Returns :
The magnitude of vector.

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_cross_product ()

+
void                cogl_vector3_cross_product          (float *result,
+                                                         const float *u,
+                                                         const float *v);

+

+Calculates the cross product between the two vectors u and v.
+

+

+The cross product is a vector perpendicular to both u and v. This
+can be useful for calculating the normal of a polygon by creating
+two vectors in its plane using the polygons vertices and taking
+their cross product.
+

+

+If the two vectors are parallel then the cross product is 0.
+

+

+You can use a right hand rule to determine which direction the
+perpendicular vector will point: If you place the two vectors tail,
+to tail and imagine grabbing the perpendicular line that extends
+through the common tail with your right hand such that you fingers
+rotate in the direction from u to v then the resulting vector
+points along your extended thumb.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




result :
Where you want the result written
u :
Your first 3 component vector
v :
Your second 3 component vector
Returns :
The cross product between two vectors u and v.

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_dot_product ()

+
float               cogl_vector3_dot_product            (const float *a,
+                                                         const float *b);

+

+Calculates the dot product of the two 3 component vectors. This
+can be used to determine the magnitude of one vector projected onto
+another. (for example a surface normal)
+

+

+For example if you have a polygon with a given normal vector and
+some other point for which you want to calculate its distance from
+the polygon, you can create a vector between one of the polygon
+vertices and that point and use the dot product to calculate the
+magnitude for that vector but projected onto the normal of the
+polygon. This way you don't just get the distance from the point to
+the edge of the polygon you get the distance from the point to the
+nearest part of the polygon.
+

+

+

+

+
Note
If you don't use a unit length normal in the above example
+then you would then also have to divide the result by the magnitude
+of the normal

+

+

+

+The dot product is calculated as:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+(a->x * b->x + a->y * b->y + a->z * b->z)

+

+
+

+

+

+For reference, the dot product can also be calculated from the
+angle between two vectors as:
+

+

+  
+    
+      
+        
+        
+      
+    
+  
1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+20
+21
+22
+23
+24

+
+
+
+
+
+
+
+
+
+
+
+
+|a||b|cos𝜃

+

+
+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




a :
Your first 3 component vector
b :
Your second 3 component vector
Returns :
The dot product of two vectors.

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+
cogl_vector3_distance ()

+
float               cogl_vector3_distance               (const float *a,
+                                                         const float *b);

+

+If you consider the two given vectors as (x,y,z) points instead
+then this will compute the distance between those two points.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




a :
The first point
b :
The second point
Returns :
The distance between two points given as 3 component
+vectors.

+
Since 1.4

+
Stability Level: Unstable

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Vertex-Buffers-(Deprecated).html b/doc/reference/cogl/html/cogl-Vertex-Buffers-(Deprecated).html
new file mode 100644
index 0000000..3ff71b3
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Vertex-Buffers-(Deprecated).html
@@ -0,0 +1,104 @@
+
+
+
+
+Vertex Buffers (Deprecated)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Vertex Buffers (Deprecated)

+
Vertex Buffers (Deprecated)

+

+

+
Synopsis

+
CoglHandle          cogl_vertex_buffer_ref              (CoglHandle handle);
+void                cogl_vertex_buffer_unref            (CoglHandle handle);
+

+

+

+
Description

+

+

+
Details

+

+
cogl_vertex_buffer_ref ()

+
CoglHandle          cogl_vertex_buffer_ref              (CoglHandle handle);

+

+
Warning

+
cogl_vertex_buffer_ref has been deprecated since version 1.2 and should not be used in newly-written code. Use cogl_object_ref() instead

+

+

+Increment the reference count for a vertex buffer
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
a CoglHandle.
Returns :
the handle.

+

+

+

+
cogl_vertex_buffer_unref ()

+
void                cogl_vertex_buffer_unref            (CoglHandle handle);

+

+
Warning

+
cogl_vertex_buffer_unref has been deprecated since version 1.2 and should not be used in newly-written code. Use cogl_object_unref() instead

+

+

+Decrement the reference count for a vertex buffer
+

+

++++
+
+
+
+
+




handle :
a CoglHandle.

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/cogl-Vertex-Buffers.html b/doc/reference/cogl/html/cogl-Vertex-Buffers.html
new file mode 100644
index 0000000..be564f7
--- /dev/null
+++ b/doc/reference/cogl/html/cogl-Vertex-Buffers.html
@@ -0,0 +1,821 @@
+
+
+
+
+Vertex Buffers
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+

+
+
+

+
Vertex Buffers

+
Vertex Buffers — An API for submitting extensible arrays of vertex
+  attributes to be mapped into the GPU for fast drawing.

+

+

+
Synopsis

+
CoglHandle          cogl_vertex_buffer_new              (unsigned int n_vertices);
+unsigned int        cogl_vertex_buffer_get_n_vertices   (CoglHandle handle);
+void                cogl_vertex_buffer_add              (CoglHandle handle,
+                                                         const char *attribute_name,
+                                                         uint8_t n_components,
+                                                         CoglAttributeType type,
+                                                         CoglBool normalized,
+                                                         uint16_t stride,
+                                                         const void *pointer);
+void                cogl_vertex_buffer_delete           (CoglHandle handle,
+                                                         const char *attribute_name);
+void                cogl_vertex_buffer_submit           (CoglHandle handle);
+void                cogl_vertex_buffer_disable          (CoglHandle handle,
+                                                         const char *attribute_name);
+void                cogl_vertex_buffer_enable           (CoglHandle handle,
+                                                         const char *attribute_name);
+enum                CoglVerticesMode;
+void                cogl_vertex_buffer_draw             (CoglHandle handle,
+                                                         CoglVerticesMode mode,
+                                                         int first,
+                                                         int count);
+CoglBool            cogl_is_vertex_buffer               (CoglHandle handle);
+
+enum                CoglIndicesType;
+CoglHandle          cogl_vertex_buffer_indices_new      (CoglIndicesType indices_type,
+                                                         const void *indices_array,
+                                                         int indices_len);
+void                cogl_vertex_buffer_draw_elements    (CoglHandle handle,
+                                                         CoglVerticesMode mode,
+                                                         CoglHandle indices,
+                                                         int min_index,
+                                                         int max_index,
+                                                         int indices_offset,
+                                                         int count);
+CoglHandle          cogl_vertex_buffer_indices_get_for_quads
+                                                        (unsigned int n_indices);
+CoglBool            cogl_is_vertex_buffer_indices       (CoglHandle handle);
+

+

+

+
Description

+

+For example to describe a textured triangle, you could create a new cogl
+vertex buffer with 3 vertices, and then you might add 2 attributes for each
+vertex:
+

+
    
+
  1. 
+a "gl_Position" describing the (x,y,z) position for each vertex.
+
    2. 
+
  2. 
+a "gl_MultiTexCoord0" describing the (tx,ty) texture coordinates for each
+vertex.
+
    3. 
+

+

+

+

+The Vertex Buffer API is designed to be a fairly raw mechanism for
+developers to be able to submit geometry to Cogl in a format that can be
+directly consumed by an OpenGL driver and mapped into your GPU for fast
+re-use. It is designed to avoid repeated validation of the attributes by the
+driver; to minimize transport costs (e.g. considering indirect GLX
+use-cases) and to potentially avoid repeated format conversions when
+attributes are supplied in a format that is not natively supported by the
+GPU.
+

+

+Although this API does allow you to modify attributes after they have been
+submitted to the GPU you should be aware that modification is not that
+cheap, since it implies validating the new data and potentially the
+OpenGL driver will need to reformat it for the GPU.
+

+

+If at all possible think of tricks that let you re-use static attributes,
+and if you do need to repeatedly update attributes (e.g. for some kind of
+morphing geometry) then only update and re-submit the specific attributes
+that have changed.
+

+

+

+
Details

+

+
cogl_vertex_buffer_new ()

+
CoglHandle          cogl_vertex_buffer_new              (unsigned int n_vertices);

+

+
Warning

+
cogl_vertex_buffer_new has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Creates a new vertex buffer that you can use to add attributes.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




n_vertices :
The number of vertices that your attributes will correspond to.
Returns :
a new CoglHandle
+

+

+

+

+
cogl_vertex_buffer_get_n_vertices ()

+
unsigned int        cogl_vertex_buffer_get_n_vertices   (CoglHandle handle);

+

+
Warning

+
cogl_vertex_buffer_get_n_vertices has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Retrieves the number of vertices that handle represents
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
A vertex buffer handle
Returns :
the number of vertices

+

+

+

+
cogl_vertex_buffer_add ()

+
void                cogl_vertex_buffer_add              (CoglHandle handle,
+                                                         const char *attribute_name,
+                                                         uint8_t n_components,
+                                                         CoglAttributeType type,
+                                                         CoglBool normalized,
+                                                         uint16_t stride,
+                                                         const void *pointer);

+

+
Warning

+
cogl_vertex_buffer_add has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Adds an attribute to a buffer, or replaces a previously added
+attribute with the same name.
+

+

+You either can use one of the built-in names such as "gl_Vertex", or
+"gl_MultiTexCoord0" to add standard attributes, like positions, colors
+and normals, or you can add custom attributes for use in shaders.
+

+

+The number of vertices declared when calling cogl_vertex_buffer_new()
+determines how many attribute values will be read from the supplied
+pointer.
+

+

+The data for your attribute isn't copied anywhere until you call
+cogl_vertex_buffer_submit(), or issue a draw call which automatically
+submits pending attribute changes. so the supplied pointer must remain
+valid until then. If you are updating an existing attribute (done by
+re-adding it) then you still need to re-call cogl_vertex_buffer_submit()
+to commit the changes to the GPU. Be carefull to minimize the number
+of calls to cogl_vertex_buffer_submit(), though.
+

+

+

+

+
Note
If you are interleving attributes it is assumed that each interleaved
+attribute starts no farther than +- stride bytes from the other attributes
+it is interleved with. I.e. this is ok:
+
+|-0-0-0-0-0-0-0-0-0-0|
+

+This is not ok:
+
+|- - - - -0-0-0-0-0-0 0 0 0 0|
+

+(Though you can have multiple groups of interleved attributes)

+

+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




handle :
A vertex buffer handle
attribute_name :
The name of your attribute. It should be a valid GLSL
+variable name and standard attribute types must use one of following
+built-in names: (Note: they correspond to the built-in names of GLSL)
+
    
+
  • "gl_Color"
    • 
+
  • "gl_Normal"
    • 
+
  • "gl_MultiTexCoord0, gl_MultiTexCoord1, ..."
    • 
+
  • "gl_Vertex"
    • 
+

+To support adding multiple variations of the same attribute the name
+can have a detail component, E.g. "gl_Color::active" or
+"gl_Color::inactive"
n_components :
The number of components per attribute and must be 1, 2,
+3 or 4
type :
a CoglAttributeType specifying the data type of each component.
normalized :
If TRUE, this specifies that values stored in an integer
+format should be mapped into the range [-1.0, 1.0] or [0.0, 1.0]
+for unsigned values. If FALSE they are converted to floats
+directly.
stride :
This specifies the number of bytes from the start of one attribute
+value to the start of the next value (for the same attribute). So, for
+example, with a position interleved with color like this:
+XYRGBAXYRGBAXYRGBA, then if each letter represents a byte, the
+stride for both attributes is 6. The special value 0 means the
+values are stored sequentially in memory.
pointer :
This addresses the first attribute in the vertex array. This
+must remain valid until you either call cogl_vertex_buffer_submit() or
+issue a draw call.

+

+

+

+
cogl_vertex_buffer_delete ()

+
void                cogl_vertex_buffer_delete           (CoglHandle handle,
+                                                         const char *attribute_name);

+

+
Warning

+
cogl_vertex_buffer_delete has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Deletes an attribute from a buffer. You will need to call
+cogl_vertex_buffer_submit() or issue a draw call to commit this
+change to the GPU.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
A vertex buffer handle
attribute_name :
The name of a previously added attribute

+

+

+

+
cogl_vertex_buffer_submit ()

+
void                cogl_vertex_buffer_submit           (CoglHandle handle);

+

+
Warning

+
cogl_vertex_buffer_submit has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Submits all the user added attributes to the GPU; once submitted, the
+attributes can be used for drawing.
+

+

+You should aim to minimize calls to this function since it implies
+validating your data; it potentially incurs a transport cost (especially if
+you are using GLX indirect rendering) and potentially a format conversion
+cost if the GPU doesn't natively support any of the given attribute formats.
+

+

++++
+
+
+
+
+




handle :
A vertex buffer handle

+

+

+

+
cogl_vertex_buffer_disable ()

+
void                cogl_vertex_buffer_disable          (CoglHandle handle,
+                                                         const char *attribute_name);

+

+
Warning

+
cogl_vertex_buffer_disable has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Disables a previosuly added attribute.
+

+

+Since it can be costly to add and remove new attributes to buffers; to make
+individual buffers more reuseable it is possible to enable and disable
+attributes before using a buffer for drawing.
+

+

+You don't need to call cogl_vertex_buffer_submit() after using this
+function.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
A vertex buffer handle
attribute_name :
The name of the attribute you want to disable

+

+

+

+
cogl_vertex_buffer_enable ()

+
void                cogl_vertex_buffer_enable           (CoglHandle handle,
+                                                         const char *attribute_name);

+

+
Warning

+
cogl_vertex_buffer_enable has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Enables a previosuly disabled attribute.
+

+

+Since it can be costly to add and remove new attributes to buffers; to make
+individual buffers more reuseable it is possible to enable and disable
+attributes before using a buffer for drawing.
+

+

+You don't need to call cogl_vertex_buffer_submit() after using this function
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
A vertex buffer handle
attribute_name :
The name of the attribute you want to enable

+

+

+

+
enum CoglVerticesMode

+
typedef enum {
+  COGL_VERTICES_MODE_POINTS = 0x0000,
+  COGL_VERTICES_MODE_LINES = 0x0001,
+  COGL_VERTICES_MODE_LINE_LOOP = 0x0002,
+  COGL_VERTICES_MODE_LINE_STRIP = 0x0003,
+  COGL_VERTICES_MODE_TRIANGLES = 0x0004,
+  COGL_VERTICES_MODE_TRIANGLE_STRIP = 0x0005,
+  COGL_VERTICES_MODE_TRIANGLE_FAN = 0x0006
+} CoglVerticesMode;
+

+

+Different ways of interpreting vertices when drawing.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_VERTICES_MODE_POINTS
FIXME, equivalent to
+GL_POINTS
+
COGL_VERTICES_MODE_LINES
FIXME, equivalent to GL_LINES
+
COGL_VERTICES_MODE_LINE_LOOP
FIXME, equivalent to
+GL_LINE_LOOP
+
COGL_VERTICES_MODE_LINE_STRIP
FIXME, equivalent to
+GL_LINE_STRIP
+
COGL_VERTICES_MODE_TRIANGLES
FIXME, equivalent to
+GL_TRIANGLES
+
COGL_VERTICES_MODE_TRIANGLE_STRIP
FIXME, equivalent to
+GL_TRIANGLE_STRIP
+
COGL_VERTICES_MODE_TRIANGLE_FAN
FIXME, equivalent to GL_TRIANGLE_FAN
+

+
Since 1.0

+

+

+

+
cogl_vertex_buffer_draw ()

+
void                cogl_vertex_buffer_draw             (CoglHandle handle,
+                                                         CoglVerticesMode mode,
+                                                         int first,
+                                                         int count);

+

+
Warning

+
cogl_vertex_buffer_draw has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Allows you to draw geometry using all or a subset of the
+vertices in a vertex buffer.
+

+

+Any un-submitted attribute changes are automatically submitted before
+drawing.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




handle :
A vertex buffer handle
mode :
A CoglVerticesMode specifying how the vertices should be
+interpreted.
first :
Specifies the index of the first vertex you want to draw with
count :
Specifies the number of vertices you want to draw.

+

+

+

+
cogl_is_vertex_buffer ()

+
CoglBool            cogl_is_vertex_buffer               (CoglHandle handle);

+

+
Warning

+
cogl_is_vertex_buffer has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Checks whether handle is a Vertex Buffer Object
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
a CoglHandle for a vertex buffer object
Returns :

+TRUE if the handle is a VBO, and FALSE
+otherwise

+
Since 1.0

+

+

+

+
enum CoglIndicesType

+
typedef enum {
+  COGL_INDICES_TYPE_UNSIGNED_BYTE,
+  COGL_INDICES_TYPE_UNSIGNED_SHORT,
+  COGL_INDICES_TYPE_UNSIGNED_INT
+} CoglIndicesType;
+

+

+You should aim to use the smallest data type that gives you enough
+range, since it reduces the size of your index array and can help
+reduce the demand on memory bandwidth.
+

+

+Note that COGL_INDICES_TYPE_UNSIGNED_INT is only supported if the
+COGL_FEATURE_ID_UNSIGNED_INT_INDICES feature is available. This
+should always be available on OpenGL but on OpenGL ES it will only
+be available if the GL_OES_element_index_uint extension is
+advertized.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




COGL_INDICES_TYPE_UNSIGNED_BYTE
Your indices are unsigned bytes
+
COGL_INDICES_TYPE_UNSIGNED_SHORT
Your indices are unsigned shorts
+
COGL_INDICES_TYPE_UNSIGNED_INT
Your indices are unsigned ints
+

+

+

+

+
cogl_vertex_buffer_indices_new ()

+
CoglHandle          cogl_vertex_buffer_indices_new      (CoglIndicesType indices_type,
+                                                         const void *indices_array,
+                                                         int indices_len);

+

+
Warning

+
cogl_vertex_buffer_indices_new has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Depending on how much geometry you are submitting it can be worthwhile
+optimizing the number of redundant vertices you submit. Using an index
+array allows you to reference vertices multiple times, for example
+during triangle strips.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




indices_type :
a CoglIndicesType specifying the data type used for
+the indices.
indices_array :
Specifies the address of
+your array of indices. [array length=indices_len]
+
indices_len :
The number of indices in indices_array
Returns :
A CoglHandle for the indices which you can pass to
+cogl_vertex_buffer_draw_elements().

+

+

+

+
cogl_vertex_buffer_draw_elements ()

+
void                cogl_vertex_buffer_draw_elements    (CoglHandle handle,
+                                                         CoglVerticesMode mode,
+                                                         CoglHandle indices,
+                                                         int min_index,
+                                                         int max_index,
+                                                         int indices_offset,
+                                                         int count);

+

+
Warning

+
cogl_vertex_buffer_draw_elements has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+This function lets you use an array of indices to specify the vertices
+within your vertex buffer that you want to draw. The indices themselves
+are created by calling cogl_vertex_buffer_indices_new()
+

+

+Any un-submitted attribute changes are automatically submitted before
+drawing.
+

+

++++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+




handle :
A vertex buffer handle
mode :
A CoglVerticesMode specifying how the vertices should be
+interpreted.
indices :
A CoglHandle for a set of indices allocated via
+cogl_vertex_buffer_indices_new()
+
min_index :
Specifies the minimum vertex index contained in indices
max_index :
Specifies the maximum vertex index contained in indices
indices_offset :
An offset into named indices. The offset marks the first
+index to use for drawing.
count :
Specifies the number of vertices you want to draw.

+

+

+

+
cogl_vertex_buffer_indices_get_for_quads ()

+
CoglHandle          cogl_vertex_buffer_indices_get_for_quads
+                                                        (unsigned int n_indices);

+

+
Warning

+
cogl_vertex_buffer_indices_get_for_quads has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Creates a vertex buffer containing the indices needed to draw pairs
+of triangles from a list of vertices grouped as quads. There will
+be at least n_indices entries in the buffer (but there may be
+more).
+

+

+The indices will follow this pattern:
+

+

+0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7 ... etc
+

+

+For example, if you submit vertices for a quad like like that shown
+in Figure 2, “Example of vertices submitted to form a quad” then you can request 6
+indices to render two triangles like those shown in Figure 3, “Illustration of the triangle indices that will be generated”.
+

+

+

+

+
Figure 2. Example of vertices submitted to form a quad

+
Example of vertices submitted to form a quad

+

+


+

+

+

+

+
Figure 3. Illustration of the triangle indices that will be generated

+
Illustration of the triangle indices that will be generated

+

+


+

+

++++
+
+
+
+
+
+
+
+
+
+
+




n_indices :
the number of indices in the vertex buffer.
Returns :
A CoglHandle containing the indices. The handled is
+owned by Cogl and should not be modified or unref'd.

+

+

+

+
cogl_is_vertex_buffer_indices ()

+
CoglBool            cogl_is_vertex_buffer_indices       (CoglHandle handle);

+

+
Warning

+
cogl_is_vertex_buffer_indices has been deprecated since version 1.16 and should not be used in newly-written code. Use the CoglPrimitive api instead

+

+

+Checks whether handle is a handle to the indices for a vertex
+buffer object
+

+

++++
+
+
+
+
+
+
+
+
+
+
+




handle :
a CoglHandle
+
Returns :

+TRUE if the handle is indices, and FALSE
+otherwise

+
Since 1.4

+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
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+
+Glossaries
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Glossaries

+
Annotation Glossary

+

+

+Annotation Glossary

+
A

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array

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Parameter points to an array of items.

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T

+
transfer full

+
Free data after the code is done.

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A

+
allow-none

+
NULL is ok, both for passing and for returning.

+
E

+
element-type

+
Generics and defining elements of containers and arrays.

+
I

+
in

+
Parameter for input. Default is transfer none.

+
O

+
out

+
Parameter for returning results. Default is transfer full.

+
I

+
inout

+
Parameter for input and for returning results. Default is transfer full.

+
T

+
transfer none

+
Don't free data after the code is done.

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
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diff --git a/doc/reference/cogl/html/index.html b/doc/reference/cogl/html/index.html
new file mode 100644
index 0000000..82f91ff
--- /dev/null
+++ b/doc/reference/cogl/html/index.html
@@ -0,0 +1,158 @@
+
+
+
+
+Cogl Reference Manual
+
+
+
+
+
+
+
+

+

+

+

+
for Cogl 1.18.2

+
Copyright © 2008 OpenedHand LTD

+
Copyright © 2009, 2010 Intel Corporation

+

+

+        Permission is granted to copy, distribute and/or modify this
+        document under the terms of the GNU Free
+        Documentation License, Version 1.1 or any later
+        version published by the Free Software Foundation with no
+        Invariant Sections, no Front-Cover Texts, and no Back-Cover
+        Texts. You may obtain a copy of the GNU Free
+        Documentation License from the Free Software
+        Foundation by visiting their Web site or by writing
+        to:
+
+        

+


+          The Free Software Foundation, Inc.,

+          59 Temple Place - Suite 330,

+          Boston, MA 02111-1307,

+          USA

+        

+

+      

+

+

+

+

+

+
Cogl - a modern 3D graphics API

+

+
About Cogl

+

+General API — General purpose API
+

+

+Color Type — A generic color definition
+

+

+Textures — Functions for creating and manipulating textures
+

+

+Material Blend Strings — A simple syntax and grammar for describing blending and texture
+combining functions.
+

+

+Materials — Fuctions for creating and manipulating materials
+

+

+Primitives — Functions that draw various primitive 3D shapes
+

+

+Path Primitives
+

+

+Clipping — Fuctions for manipulating a stack of clipping regions
+

+

+Vertex Buffers — An API for submitting extensible arrays of vertex
+  attributes to be mapped into the GPU for fast drawing.
+

+

+Matrices — Functions for initializing and manipulating 4x4 matrices
+

+

+Shaders and Programmable Pipeline — Fuctions for accessing the programmable GL pipeline
+

+

+Offscreen Buffers — Functions for creating and manipulating offscreen
+                    framebuffers.
+

+

+Bitmaps — Functions for loading images
+

+

+Fixed Point API — Fixed Point API
+

+

+GType Integration API
+

+

+
Cogl experimental API

+

+
About the experimental API

+

+Buffers — Common buffer functions, including data upload APIs
+

+

+Vectors — Functions for handling single precision float
+                    vectors.
+

+

+3D textures — Functions for creating and manipulating 3D textures
+

+

+Quaternions (Rotations) — Functions for initializing and manipulating
+quaternions.
+

+

+
Cogl deprecated API

+

+
About the deprecated API

+

+General API (Deprecated)
+

+

+Textures (Deprecated)
+

+

+Materials (Deprecated)
+

+

+Clipping (Deprecated)
+

+

+Vertex Buffers (Deprecated)
+

+

+Shaders and Programmable Pipeline (Deprecated)
+

+

+Offscreen Buffers (Deprecated)
+

+

+
Glossaries

+
Annotation Glossary

+
Index of all symbols

+
Index of deprecated symbols

+
Index of new symbols in 0.8

+
Index of new symbols in 1.0

+
Index of new symbols in 1.2

+
Index of new symbols in 1.4

+
Index of new symbols in 1.6

+
Index of new symbols in 1.8

+
A. License

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/index.sgml b/doc/reference/cogl/html/index.sgml
new file mode 100644
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
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+
diff --git a/doc/reference/cogl/html/ix01.html b/doc/reference/cogl/html/ix01.html
new file mode 100644
index 0000000..0c01879
--- /dev/null
+++ b/doc/reference/cogl/html/ix01.html
@@ -0,0 +1,1723 @@
+
+
+
+
+Index of all symbols
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of all symbols

+
A

+

+CoglAngle, typedef in Fixed Point API
+

+

+

+cogl_angle_cos, function in Fixed Point API
+

+

+

+COGL_ANGLE_FROM_DEG, macro in Fixed Point API
+

+

+

+COGL_ANGLE_FROM_DEGX, macro in Fixed Point API
+

+

+

+cogl_angle_sin, function in Fixed Point API
+

+

+

+cogl_angle_tan, function in Fixed Point API
+

+

+

+COGL_ANGLE_TO_DEG, macro in Fixed Point API
+

+

+

+COGL_ANGLE_TO_DEGX, macro in Fixed Point API
+

+

+

+CoglAttributeType, enum in General API
+

+

+
B

+

+cogl_begin_gl, function in General API
+

+

+

+CoglBitmap, struct in Bitmaps
+

+

+

+CoglBitmapError, enum in Bitmaps
+

+

+

+COGL_BITMAP_ERROR, macro in Bitmaps
+

+

+

+cogl_bitmap_get_size_from_file, function in Bitmaps
+

+

+

+cogl_bitmap_new_from_file, function in Bitmaps
+

+

+

+CoglBlendStringError, enum in Materials
+

+

+

+COGL_BLEND_STRING_ERROR, macro in Materials
+

+

+

+CoglBufferAccess, enum in Buffers
+

+

+

+CoglBufferBit, enum in General API
+

+

+

+CoglBufferTarget, enum in General API
+

+

+

+CoglBufferUpdateHint, enum in Buffers
+

+

+

+cogl_buffer_get_size, function in Buffers
+

+

+

+cogl_buffer_get_update_hint, function in Buffers
+

+

+

+cogl_buffer_map, function in Buffers
+

+

+

+cogl_buffer_set_data, function in Buffers
+

+

+

+cogl_buffer_set_update_hint, function in Buffers
+

+

+

+cogl_buffer_unmap, function in Buffers
+

+

+
C

+

+cogl_check_extension, function in General API (Deprecated)
+

+

+

+cogl_clear, function in General API
+

+

+

+cogl_clip_ensure, function in Clipping (Deprecated)
+

+

+

+cogl_clip_pop, function in Clipping
+

+

+

+cogl_clip_push, function in Clipping (Deprecated)
+

+

+

+cogl_clip_push_rectangle, function in Clipping
+

+

+

+cogl_clip_push_window_rect, function in Clipping (Deprecated)
+

+

+

+cogl_clip_push_window_rectangle, function in Clipping
+

+

+

+cogl_clip_stack_restore, function in Clipping (Deprecated)
+

+

+

+cogl_clip_stack_save, function in Clipping (Deprecated)
+

+

+

+CoglColor, struct in Color Type
+

+

+

+cogl_color_copy, function in Color Type
+

+

+

+cogl_color_equal, function in Color Type
+

+

+

+cogl_color_free, function in Color Type
+

+

+

+cogl_color_get_alpha, function in Color Type
+

+

+

+cogl_color_get_alpha_byte, function in Color Type
+

+

+

+cogl_color_get_alpha_float, function in Color Type
+

+

+

+cogl_color_get_blue, function in Color Type
+

+

+

+cogl_color_get_blue_byte, function in Color Type
+

+

+

+cogl_color_get_blue_float, function in Color Type
+

+

+

+cogl_color_get_green, function in Color Type
+

+

+

+cogl_color_get_green_byte, function in Color Type
+

+

+

+cogl_color_get_green_float, function in Color Type
+

+

+

+cogl_color_get_red, function in Color Type
+

+

+

+cogl_color_get_red_byte, function in Color Type
+

+

+

+cogl_color_get_red_float, function in Color Type
+

+

+

+cogl_color_init_from_4f, function in Color Type
+

+

+

+cogl_color_init_from_4fv, function in Color Type
+

+

+

+cogl_color_init_from_4ub, function in Color Type
+

+

+

+cogl_color_init_from_hsl, function in Color Type
+

+

+

+cogl_color_new, function in Color Type
+

+

+

+cogl_color_premultiply, function in Color Type
+

+

+

+cogl_color_set_alpha, function in Color Type
+

+

+

+cogl_color_set_alpha_byte, function in Color Type
+

+

+

+cogl_color_set_alpha_float, function in Color Type
+

+

+

+cogl_color_set_blue, function in Color Type
+

+

+

+cogl_color_set_blue_byte, function in Color Type
+

+

+

+cogl_color_set_blue_float, function in Color Type
+

+

+

+cogl_color_set_from_4f, function in Color Type
+

+

+

+cogl_color_set_from_4ub, function in Color Type
+

+

+

+cogl_color_set_green, function in Color Type
+

+

+

+cogl_color_set_green_byte, function in Color Type
+

+

+

+cogl_color_set_green_float, function in Color Type
+

+

+

+cogl_color_set_red, function in Color Type
+

+

+

+cogl_color_set_red_byte, function in Color Type
+

+

+

+cogl_color_set_red_float, function in Color Type
+

+

+

+cogl_color_to_hsl, function in Color Type
+

+

+

+cogl_color_unpremultiply, function in Color Type
+

+

+

+cogl_create_program, function in Shaders and Programmable Pipeline
+

+

+

+cogl_create_shader, function in Shaders and Programmable Pipeline
+

+

+
D

+

+CoglDepthState, struct in cogl-depth-state
+

+

+

+cogl_depth_state_get_range, function in cogl-depth-state
+

+

+

+cogl_depth_state_get_test_enabled, function in cogl-depth-state
+

+

+

+cogl_depth_state_get_test_function, function in cogl-depth-state
+

+

+

+cogl_depth_state_init, function in cogl-depth-state
+

+

+

+cogl_depth_state_set_range, function in cogl-depth-state
+

+

+

+cogl_depth_state_set_test_enabled, function in cogl-depth-state
+

+

+

+cogl_depth_state_set_test_function, function in cogl-depth-state
+

+

+

+cogl_disable_fog, function in General API
+

+

+
E

+

+cogl_end_gl, function in General API
+

+

+

+CoglEuler, struct in Eulers (Rotations)
+

+

+

+cogl_euler_copy, function in Eulers (Rotations)
+

+

+

+cogl_euler_equal, function in Eulers (Rotations)
+

+

+

+cogl_euler_free, function in Eulers (Rotations)
+

+

+

+cogl_euler_init, function in Eulers (Rotations)
+

+

+

+cogl_euler_init_from_matrix, function in Eulers (Rotations)
+

+

+

+cogl_euler_init_from_quaternion, function in Eulers (Rotations)
+

+

+
F

+

+CoglFeatureFlags, enum in General API
+

+

+

+cogl_features_available, function in General API
+

+

+

+CoglFixed, typedef in Fixed Point API
+

+

+

+COGL_FIXED_0_5, macro in Fixed Point API
+

+

+

+COGL_FIXED_1, macro in Fixed Point API
+

+

+

+COGL_FIXED_120, macro in Fixed Point API
+

+

+

+COGL_FIXED_180, macro in Fixed Point API
+

+

+

+COGL_FIXED_240, macro in Fixed Point API
+

+

+

+COGL_FIXED_255, macro in Fixed Point API
+

+

+

+COGL_FIXED_270, macro in Fixed Point API
+

+

+

+COGL_FIXED_2_PI, macro in Fixed Point API
+

+

+

+COGL_FIXED_30, macro in Fixed Point API
+

+

+

+COGL_FIXED_360, macro in Fixed Point API
+

+

+

+COGL_FIXED_45, macro in Fixed Point API
+

+

+

+COGL_FIXED_60, macro in Fixed Point API
+

+

+

+COGL_FIXED_90, macro in Fixed Point API
+

+

+

+cogl_fixed_atan, function in Fixed Point API
+

+

+

+cogl_fixed_atan2, function in Fixed Point API
+

+

+

+COGL_FIXED_BITS, macro in Fixed Point API
+

+

+

+COGL_FIXED_CEIL, macro in Fixed Point API
+

+

+

+cogl_fixed_cos, function in Fixed Point API
+

+

+

+COGL_FIXED_DIV, macro in Fixed Point API
+

+

+

+cogl_fixed_div, function in Fixed Point API
+

+

+

+COGL_FIXED_EPSILON, macro in Fixed Point API
+

+

+

+COGL_FIXED_FAST_DIV, macro in Fixed Point API
+

+

+

+COGL_FIXED_FAST_MUL, macro in Fixed Point API
+

+

+

+COGL_FIXED_FLOOR, macro in Fixed Point API
+

+

+

+COGL_FIXED_FRACTION, macro in Fixed Point API
+

+

+

+COGL_FIXED_FROM_DOUBLE, macro in Fixed Point API
+

+

+

+COGL_FIXED_FROM_FLOAT, macro in Fixed Point API
+

+

+

+COGL_FIXED_FROM_INT, macro in Fixed Point API
+

+

+

+cogl_fixed_log2, function in Fixed Point API
+

+

+

+COGL_FIXED_MAX, macro in Fixed Point API
+

+

+

+COGL_FIXED_MIN, macro in Fixed Point API
+

+

+

+cogl_fixed_mul, function in Fixed Point API
+

+

+

+COGL_FIXED_MUL, macro in Fixed Point API
+

+

+

+cogl_fixed_mul_div, function in Fixed Point API
+

+

+

+COGL_FIXED_MUL_DIV, macro in Fixed Point API
+

+

+

+COGL_FIXED_PI, macro in Fixed Point API
+

+

+

+COGL_FIXED_PI_2, macro in Fixed Point API
+

+

+

+COGL_FIXED_PI_4, macro in Fixed Point API
+

+

+

+cogl_fixed_pow, function in Fixed Point API
+

+

+

+cogl_fixed_pow2, function in Fixed Point API
+

+

+

+COGL_FIXED_Q, macro in Fixed Point API
+

+

+

+cogl_fixed_sin, function in Fixed Point API
+

+

+

+cogl_fixed_sqrt, function in Fixed Point API
+

+

+

+cogl_fixed_tan, function in Fixed Point API
+

+

+

+COGL_FIXED_TO_DOUBLE, macro in Fixed Point API
+

+

+

+COGL_FIXED_TO_FLOAT, macro in Fixed Point API
+

+

+

+COGL_FIXED_TO_INT, macro in Fixed Point API
+

+

+

+COGL_FLOAT_TO_INT, macro in Fixed Point API
+

+

+

+COGL_FLOAT_TO_UINT, macro in Fixed Point API
+

+

+

+cogl_flush, function in General API
+

+

+

+CoglFogMode, enum in General API
+

+

+

+cogl_frustum, function in General API
+

+

+

+CoglFuncPtr, user_function in General API
+

+

+
G

+

+cogl_get_backface_culling_enabled, function in General API
+

+

+

+cogl_get_bitmasks, function in General API (Deprecated)
+

+

+

+cogl_get_depth_test_enabled, function in General API (Deprecated)
+

+

+

+cogl_get_features, function in General API
+

+

+

+cogl_get_modelview_matrix, function in General API
+

+

+

+cogl_get_option_group, function in General API
+

+

+

+cogl_get_proc_address, function in General API
+

+

+

+cogl_get_projection_matrix, function in General API
+

+

+

+cogl_get_source, function in General API
+

+

+

+cogl_get_static_identity_quaternion, function in Quaternions (Rotations)
+

+

+

+cogl_get_static_zero_quaternion, function in Quaternions (Rotations)
+

+

+

+cogl_get_viewport, function in General API
+

+

+

+cogl_gtype_matrix_get_type, function in GType Integration API
+

+

+
H

+

+CoglHandle, typedef in General API
+

+

+

+cogl_handle_ref, function in General API
+

+

+

+cogl_handle_unref, function in General API
+

+

+
I

+

+CoglIndicesType, enum in Vertex Buffers
+

+

+

+COGL_INVALID_HANDLE, macro in General API
+

+

+

+cogl_is_bitmap, function in Bitmaps
+

+

+

+cogl_is_buffer, function in Buffers
+

+

+

+cogl_is_material, function in Materials
+

+

+

+cogl_is_offscreen, function in Offscreen Buffers
+

+

+

+cogl_is_pixel_buffer, function in Buffers
+

+

+

+cogl_is_program, function in Shaders and Programmable Pipeline
+

+

+

+cogl_is_shader, function in Shaders and Programmable Pipeline
+

+

+

+cogl_is_texture, function in Textures
+

+

+

+cogl_is_texture_2d, function in 2D textures
+

+

+

+cogl_is_texture_3d, function in 3D textures
+

+

+

+cogl_is_vertex_buffer, function in Vertex Buffers
+

+

+

+cogl_is_vertex_buffer_indices, function in Vertex Buffers
+

+

+
M

+

+CoglMaterial, struct in Materials
+

+

+

+CoglMaterialAlphaFunc, enum in Materials
+

+

+

+CoglMaterialFilter, enum in Materials
+

+

+

+CoglMaterialLayer, struct in Materials
+

+

+

+CoglMaterialLayerCallback, user_function in Materials
+

+

+

+CoglMaterialLayerType, enum in Materials
+

+

+

+CoglMaterialWrapMode, enum in Materials
+

+

+

+cogl_material_copy, function in Materials
+

+

+

+cogl_material_foreach_layer, function in Materials
+

+

+

+cogl_material_get_ambient, function in Materials
+

+

+

+cogl_material_get_color, function in Materials
+

+

+

+cogl_material_get_diffuse, function in Materials
+

+

+

+cogl_material_get_emission, function in Materials
+

+

+

+cogl_material_get_layers, function in Materials (Deprecated)
+

+

+

+cogl_material_get_layer_point_sprite_coords_enabled, function in Materials
+

+

+

+cogl_material_get_layer_wrap_mode_p, function in Materials
+

+

+

+cogl_material_get_layer_wrap_mode_s, function in Materials
+

+

+

+cogl_material_get_layer_wrap_mode_t, function in Materials
+

+

+

+cogl_material_get_n_layers, function in Materials
+

+

+

+cogl_material_get_point_size, function in Materials
+

+

+

+cogl_material_get_shininess, function in Materials
+

+

+

+cogl_material_get_specular, function in Materials
+

+

+

+cogl_material_get_user_program, function in Materials
+

+

+

+cogl_material_layer_get_mag_filter, function in Materials
+

+

+

+cogl_material_layer_get_min_filter, function in Materials
+

+

+

+cogl_material_layer_get_texture, function in Materials
+

+

+

+cogl_material_layer_get_type, function in Materials
+

+

+

+cogl_material_new, function in Materials
+

+

+

+cogl_material_ref, function in Materials (Deprecated)
+

+

+

+cogl_material_remove_layer, function in Materials
+

+

+

+cogl_material_set_alpha_test_function, function in Materials
+

+

+

+cogl_material_set_ambient, function in Materials
+

+

+

+cogl_material_set_ambient_and_diffuse, function in Materials
+

+

+

+cogl_material_set_blend, function in Materials
+

+

+

+cogl_material_set_blend_constant, function in Materials
+

+

+

+cogl_material_set_color, function in Materials
+

+

+

+cogl_material_set_color4f, function in Materials
+

+

+

+cogl_material_set_color4ub, function in Materials
+

+

+

+cogl_material_set_diffuse, function in Materials
+

+

+

+cogl_material_set_emission, function in Materials
+

+

+

+cogl_material_set_layer, function in Materials
+

+

+

+cogl_material_set_layer_combine, function in Materials
+

+

+

+cogl_material_set_layer_combine_constant, function in Materials
+

+

+

+cogl_material_set_layer_filters, function in Materials
+

+

+

+cogl_material_set_layer_matrix, function in Materials
+

+

+

+cogl_material_set_layer_point_sprite_coords_enabled, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode_p, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode_s, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode_t, function in Materials
+

+

+

+cogl_material_set_point_size, function in Materials
+

+

+

+cogl_material_set_shininess, function in Materials
+

+

+

+cogl_material_set_specular, function in Materials
+

+

+

+cogl_material_set_user_program, function in Materials
+

+

+

+cogl_material_unref, function in Materials (Deprecated)
+

+

+

+cogl_material_wrap_mode_get_type, function in Materials
+

+

+

+CoglMatrix, struct in Matrices
+

+

+

+cogl_matrix_copy, function in Matrices
+

+

+

+cogl_matrix_equal, function in Matrices
+

+

+

+cogl_matrix_free, function in Matrices
+

+

+

+cogl_matrix_frustum, function in Matrices
+

+

+

+cogl_matrix_get_array, function in Matrices
+

+

+

+cogl_matrix_get_inverse, function in Matrices
+

+

+

+cogl_matrix_init_from_array, function in Matrices
+

+

+

+cogl_matrix_init_identity, function in Matrices
+

+

+

+cogl_matrix_is_identity, function in Matrices
+

+

+

+cogl_matrix_multiply, function in Matrices
+

+

+

+cogl_matrix_ortho, function in Matrices
+

+

+

+cogl_matrix_perspective, function in Matrices
+

+

+

+cogl_matrix_project_points, function in Matrices
+

+

+

+cogl_matrix_rotate, function in Matrices
+

+

+

+cogl_matrix_scale, function in Matrices
+

+

+

+cogl_matrix_transform_point, function in Matrices
+

+

+

+cogl_matrix_transform_points, function in Matrices
+

+

+

+cogl_matrix_translate, function in Matrices
+

+

+

+cogl_matrix_transpose, function in Matrices
+

+

+
O

+

+CoglObject, struct in General API
+

+

+

+cogl_object_get_user_data, function in General API
+

+

+

+cogl_object_ref, function in General API
+

+

+

+cogl_object_set_user_data, function in General API
+

+

+

+cogl_object_unref, function in General API
+

+

+

+cogl_offscreen_new_to_texture, function in Offscreen Buffers
+

+

+

+cogl_offscreen_new_with_texture, function in Offscreen Buffers
+

+

+

+cogl_offscreen_ref, function in Offscreen Buffers (Deprecated)
+

+

+

+cogl_offscreen_unref, function in Offscreen Buffers (Deprecated)
+

+

+

+cogl_ortho, function in General API
+

+

+
P

+

+cogl_perspective, function in General API
+

+

+

+CoglPixelFormat, enum in General API
+

+

+

+cogl_pixel_buffer_new, function in Buffers
+

+

+

+cogl_polygon, function in Primitives
+

+

+

+cogl_pop_draw_buffer, function in Offscreen Buffers
+

+

+

+cogl_pop_framebuffer, function in Offscreen Buffers
+

+

+

+cogl_pop_matrix, function in General API
+

+

+

+cogl_pop_source, function in General API
+

+

+

+cogl_program_attach_shader, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_get_uniform_location, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_link, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_ref, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_set_uniform_1f, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_1i, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_float, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_int, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_matrix, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_uniform_1f, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_uniform_1i, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_uniform_float, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_uniform_int, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_uniform_matrix, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_unref, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_use, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_push_draw_buffer, function in Offscreen Buffers
+

+

+

+cogl_push_framebuffer, function in Offscreen Buffers
+

+

+

+cogl_push_matrix, function in General API
+

+

+

+cogl_push_source, function in General API
+

+

+
Q

+

+CoglQuaternion, struct in Quaternions (Rotations)
+

+

+

+cogl_quaternion_copy, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_dot_product, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_equal, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_free, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_get_rotation_angle, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_get_rotation_axis, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_angle_vector, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_array, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_x_rotation, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_y_rotation, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_from_z_rotation, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_init_identity, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_invert, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_multiply, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_nlerp, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_normalize, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_pow, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_slerp, function in Quaternions (Rotations)
+

+

+

+cogl_quaternion_squad, function in Quaternions (Rotations)
+

+

+
R

+

+COGL_RADIANS_TO_DEGREES, macro in Fixed Point API
+

+

+

+CoglReadPixelsFlags, enum in General API
+

+

+

+cogl_read_pixels, function in General API
+

+

+

+cogl_rectangle, function in Primitives
+

+

+

+cogl_rectangles, function in Primitives
+

+

+

+cogl_rectangles_with_texture_coords, function in Primitives
+

+

+

+cogl_rectangle_with_multitexture_coords, function in Primitives
+

+

+

+cogl_rectangle_with_texture_coords, function in Primitives
+

+

+

+cogl_rotate, function in General API
+

+

+
S

+

+cogl_scale, function in General API
+

+

+

+cogl_set_backface_culling_enabled, function in General API
+

+

+

+cogl_set_depth_test_enabled, function in General API (Deprecated)
+

+

+

+cogl_set_draw_buffer, function in Offscreen Buffers
+

+

+

+cogl_set_fog, function in General API
+

+

+

+cogl_set_framebuffer, function in Offscreen Buffers
+

+

+

+cogl_set_modelview_matrix, function in General API
+

+

+

+cogl_set_projection_matrix, function in General API
+

+

+

+cogl_set_source, function in General API
+

+

+

+cogl_set_source_color, function in General API
+

+

+

+cogl_set_source_color4f, function in General API
+

+

+

+cogl_set_source_color4ub, function in General API
+

+

+

+cogl_set_source_texture, function in General API
+

+

+

+cogl_set_viewport, function in General API
+

+

+

+CoglShaderType, enum in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_compile, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_get_info_log, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_get_type, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_is_compiled, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_ref, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_shader_source, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_unref, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_sqrti, function in Fixed Point API
+

+

+

+COGL_SQRTI_ARG_10_PERCENT, macro in Fixed Point API
+

+

+

+COGL_SQRTI_ARG_5_PERCENT, macro in Fixed Point API
+

+

+

+COGL_SQRTI_ARG_MAX, macro in Fixed Point API
+

+

+
T

+

+CoglTexture2D, struct in 2D textures
+

+

+

+CoglTextureFlags, enum in Textures
+

+

+

+CoglTextureVertex, struct in Textures
+

+

+

+cogl_texture_2d_gl_new_from_foreign, function in 2D textures
+

+

+

+cogl_texture_2d_new_from_data, function in 2D textures
+

+

+

+cogl_texture_2d_new_with_size, function in 2D textures
+

+

+

+cogl_texture_3d_new_from_data, function in 3D textures
+

+

+

+cogl_texture_3d_new_with_size, function in 3D textures
+

+

+

+cogl_texture_get_data, function in Textures
+

+

+

+cogl_texture_get_format, function in Textures
+

+

+

+cogl_texture_get_gl_texture, function in Textures
+

+

+

+cogl_texture_get_height, function in Textures
+

+

+

+cogl_texture_get_max_waste, function in Textures
+

+

+

+cogl_texture_get_rowstride, function in Textures
+

+

+

+cogl_texture_get_width, function in Textures
+

+

+

+cogl_texture_is_sliced, function in Textures
+

+

+

+cogl_texture_new_from_bitmap, function in Textures
+

+

+

+cogl_texture_new_from_data, function in Textures
+

+

+

+cogl_texture_new_from_file, function in Textures
+

+

+

+cogl_texture_new_from_foreign, function in Textures
+

+

+

+cogl_texture_new_from_sub_texture, function in Textures
+

+

+

+cogl_texture_new_with_size, function in Textures
+

+

+

+cogl_texture_ref, function in Textures (Deprecated)
+

+

+

+cogl_texture_set_region, function in Textures
+

+

+

+cogl_texture_unref, function in Textures (Deprecated)
+

+

+

+cogl_transform, function in General API
+

+

+

+cogl_translate, function in General API
+

+

+
U

+

+CoglUserDataKey, struct in General API
+

+

+
V

+

+cogl_vector3_add, function in Vectors
+

+

+

+cogl_vector3_copy, function in Vectors
+

+

+

+cogl_vector3_cross_product, function in Vectors
+

+

+

+cogl_vector3_distance, function in Vectors
+

+

+

+cogl_vector3_divide_scalar, function in Vectors
+

+

+

+cogl_vector3_dot_product, function in Vectors
+

+

+

+cogl_vector3_equal, function in Vectors
+

+

+

+cogl_vector3_equal_with_epsilon, function in Vectors
+

+

+

+cogl_vector3_free, function in Vectors
+

+

+

+cogl_vector3_init, function in Vectors
+

+

+

+cogl_vector3_init_zero, function in Vectors
+

+

+

+cogl_vector3_invert, function in Vectors
+

+

+

+cogl_vector3_magnitude, function in Vectors
+

+

+

+cogl_vector3_multiply_scalar, function in Vectors
+

+

+

+cogl_vector3_normalize, function in Vectors
+

+

+

+cogl_vector3_subtract, function in Vectors
+

+

+

+cogl_vertex_buffer_add, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_delete, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_disable, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_draw, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_draw_elements, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_enable, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_get_n_vertices, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_indices_get_for_quads, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_indices_new, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_new, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_ref, function in Vertex Buffers (Deprecated)
+

+

+

+cogl_vertex_buffer_submit, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_unref, function in Vertex Buffers (Deprecated)
+

+

+

+CoglVerticesMode, enum in Vertex Buffers
+

+

+

+cogl_viewport, function in General API (Deprecated)
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/ix02.html b/doc/reference/cogl/html/ix02.html
new file mode 100644
index 0000000..0aa9ff3
--- /dev/null
+++ b/doc/reference/cogl/html/ix02.html
@@ -0,0 +1,723 @@
+
+
+
+
+Index of deprecated symbols
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of deprecated symbols

+
B

+

+cogl_begin_gl, function in General API
+

+

+
C

+

+cogl_check_extension, function in General API (Deprecated)
+

+

+

+cogl_clear, function in General API
+

+

+

+cogl_clip_ensure, function in Clipping (Deprecated)
+

+

+

+cogl_clip_pop, function in Clipping
+

+

+

+cogl_clip_push, function in Clipping (Deprecated)
+

+

+

+cogl_clip_push_rectangle, function in Clipping
+

+

+

+cogl_clip_push_window_rect, function in Clipping (Deprecated)
+

+

+

+cogl_clip_push_window_rectangle, function in Clipping
+

+

+

+cogl_clip_stack_restore, function in Clipping (Deprecated)
+

+

+

+cogl_clip_stack_save, function in Clipping (Deprecated)
+

+

+

+cogl_color_set_from_4f, function in Color Type
+

+

+

+cogl_color_set_from_4ub, function in Color Type
+

+

+

+cogl_create_program, function in Shaders and Programmable Pipeline
+

+

+

+cogl_create_shader, function in Shaders and Programmable Pipeline
+

+

+
D

+

+cogl_disable_fog, function in General API
+

+

+
E

+

+cogl_end_gl, function in General API
+

+

+
F

+

+cogl_features_available, function in General API
+

+

+

+cogl_frustum, function in General API
+

+

+
G

+

+cogl_get_backface_culling_enabled, function in General API
+

+

+

+cogl_get_bitmasks, function in General API (Deprecated)
+

+

+

+cogl_get_depth_test_enabled, function in General API (Deprecated)
+

+

+

+cogl_get_features, function in General API
+

+

+

+cogl_get_modelview_matrix, function in General API
+

+

+

+cogl_get_option_group, function in General API
+

+

+

+cogl_get_projection_matrix, function in General API
+

+

+

+cogl_get_source, function in General API
+

+

+

+cogl_get_viewport, function in General API
+

+

+

+cogl_gtype_matrix_get_type, function in GType Integration API
+

+

+
I

+

+cogl_is_material, function in Materials
+

+

+

+cogl_is_program, function in Shaders and Programmable Pipeline
+

+

+

+cogl_is_shader, function in Shaders and Programmable Pipeline
+

+

+

+cogl_is_vertex_buffer, function in Vertex Buffers
+

+

+

+cogl_is_vertex_buffer_indices, function in Vertex Buffers
+

+

+
M

+

+CoglMaterialLayerCallback, user_function in Materials
+

+

+

+cogl_material_copy, function in Materials
+

+

+

+cogl_material_foreach_layer, function in Materials
+

+

+

+cogl_material_get_ambient, function in Materials
+

+

+

+cogl_material_get_color, function in Materials
+

+

+

+cogl_material_get_diffuse, function in Materials
+

+

+

+cogl_material_get_emission, function in Materials
+

+

+

+cogl_material_get_layers, function in Materials (Deprecated)
+

+

+

+cogl_material_get_layer_point_sprite_coords_enabled, function in Materials
+

+

+

+cogl_material_get_layer_wrap_mode_p, function in Materials
+

+

+

+cogl_material_get_layer_wrap_mode_s, function in Materials
+

+

+

+cogl_material_get_layer_wrap_mode_t, function in Materials
+

+

+

+cogl_material_get_n_layers, function in Materials
+

+

+

+cogl_material_get_point_size, function in Materials
+

+

+

+cogl_material_get_shininess, function in Materials
+

+

+

+cogl_material_get_specular, function in Materials
+

+

+

+cogl_material_get_user_program, function in Materials
+

+

+

+cogl_material_layer_get_mag_filter, function in Materials
+

+

+

+cogl_material_layer_get_min_filter, function in Materials
+

+

+

+cogl_material_layer_get_texture, function in Materials
+

+

+

+cogl_material_layer_get_type, function in Materials
+

+

+

+cogl_material_new, function in Materials
+

+

+

+cogl_material_ref, function in Materials (Deprecated)
+

+

+

+cogl_material_remove_layer, function in Materials
+

+

+

+cogl_material_set_alpha_test_function, function in Materials
+

+

+

+cogl_material_set_ambient, function in Materials
+

+

+

+cogl_material_set_ambient_and_diffuse, function in Materials
+

+

+

+cogl_material_set_blend, function in Materials
+

+

+

+cogl_material_set_blend_constant, function in Materials
+

+

+

+cogl_material_set_color, function in Materials
+

+

+

+cogl_material_set_color4f, function in Materials
+

+

+

+cogl_material_set_color4ub, function in Materials
+

+

+

+cogl_material_set_diffuse, function in Materials
+

+

+

+cogl_material_set_emission, function in Materials
+

+

+

+cogl_material_set_layer, function in Materials
+

+

+

+cogl_material_set_layer_combine, function in Materials
+

+

+

+cogl_material_set_layer_combine_constant, function in Materials
+

+

+

+cogl_material_set_layer_filters, function in Materials
+

+

+

+cogl_material_set_layer_matrix, function in Materials
+

+

+

+cogl_material_set_layer_point_sprite_coords_enabled, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode_p, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode_s, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode_t, function in Materials
+

+

+

+cogl_material_set_point_size, function in Materials
+

+

+

+cogl_material_set_shininess, function in Materials
+

+

+

+cogl_material_set_specular, function in Materials
+

+

+

+cogl_material_set_user_program, function in Materials
+

+

+

+cogl_material_unref, function in Materials (Deprecated)
+

+

+

+cogl_matrix_ortho, function in Matrices
+

+

+
O

+

+cogl_offscreen_new_to_texture, function in Offscreen Buffers
+

+

+

+cogl_offscreen_ref, function in Offscreen Buffers (Deprecated)
+

+

+

+cogl_offscreen_unref, function in Offscreen Buffers (Deprecated)
+

+

+

+cogl_ortho, function in General API
+

+

+
P

+

+cogl_perspective, function in General API
+

+

+

+cogl_pop_draw_buffer, function in Offscreen Buffers
+

+

+

+cogl_pop_framebuffer, function in Offscreen Buffers
+

+

+

+cogl_pop_matrix, function in General API
+

+

+

+cogl_pop_source, function in General API
+

+

+

+cogl_program_attach_shader, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_get_uniform_location, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_link, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_ref, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_set_uniform_1f, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_1i, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_float, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_int, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_matrix, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_uniform_1f, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_uniform_1i, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_uniform_float, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_uniform_int, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_uniform_matrix, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_unref, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_program_use, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_push_draw_buffer, function in Offscreen Buffers
+

+

+

+cogl_push_framebuffer, function in Offscreen Buffers
+

+

+

+cogl_push_matrix, function in General API
+

+

+

+cogl_push_source, function in General API
+

+

+
R

+

+cogl_read_pixels, function in General API
+

+

+

+cogl_rotate, function in General API
+

+

+
S

+

+cogl_scale, function in General API
+

+

+

+cogl_set_backface_culling_enabled, function in General API
+

+

+

+cogl_set_depth_test_enabled, function in General API (Deprecated)
+

+

+

+cogl_set_draw_buffer, function in Offscreen Buffers
+

+

+

+cogl_set_fog, function in General API
+

+

+

+cogl_set_framebuffer, function in Offscreen Buffers
+

+

+

+cogl_set_modelview_matrix, function in General API
+

+

+

+cogl_set_projection_matrix, function in General API
+

+

+

+cogl_set_source, function in General API
+

+

+

+cogl_set_source_color, function in General API
+

+

+

+cogl_set_source_color4f, function in General API
+

+

+

+cogl_set_source_color4ub, function in General API
+

+

+

+cogl_set_source_texture, function in General API
+

+

+

+cogl_set_viewport, function in General API
+

+

+

+cogl_shader_compile, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_get_info_log, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_get_type, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_is_compiled, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_ref, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+

+cogl_shader_source, function in Shaders and Programmable Pipeline
+

+

+

+cogl_shader_unref, function in Shaders and Programmable Pipeline (Deprecated)
+

+

+
T

+

+cogl_texture_get_format, function in Textures
+

+

+

+cogl_texture_get_rowstride, function in Textures
+

+

+

+cogl_texture_new_from_bitmap, function in Textures
+

+

+

+cogl_texture_new_from_data, function in Textures
+

+

+

+cogl_texture_new_from_file, function in Textures
+

+

+

+cogl_texture_new_from_foreign, function in Textures
+

+

+

+cogl_texture_new_from_sub_texture, function in Textures
+

+

+

+cogl_texture_new_with_size, function in Textures
+

+

+

+cogl_texture_ref, function in Textures (Deprecated)
+

+

+

+cogl_texture_unref, function in Textures (Deprecated)
+

+

+

+cogl_transform, function in General API
+

+

+

+cogl_translate, function in General API
+

+

+
V

+

+cogl_vertex_buffer_add, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_delete, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_disable, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_draw, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_draw_elements, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_enable, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_get_n_vertices, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_indices_get_for_quads, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_indices_new, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_new, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_ref, function in Vertex Buffers (Deprecated)
+

+

+

+cogl_vertex_buffer_submit, function in Vertex Buffers
+

+

+

+cogl_vertex_buffer_unref, function in Vertex Buffers (Deprecated)
+

+

+

+cogl_viewport, function in General API (Deprecated)
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/ix03.html b/doc/reference/cogl/html/ix03.html
new file mode 100644
index 0000000..65d3043
--- /dev/null
+++ b/doc/reference/cogl/html/ix03.html
@@ -0,0 +1,80 @@
+
+
+
+
+Index of new symbols in 0.8
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 0.8

+
B

+

+CoglBufferTarget, enum in General API
+

+

+
F

+

+CoglFeatureFlags, enum in General API
+

+

+
G

+

+cogl_get_features, function in General API
+

+

+
P

+

+CoglPixelFormat, enum in General API
+

+

+
T

+

+cogl_texture_new_from_data, function in Textures
+

+

+

+cogl_texture_new_from_file, function in Textures
+

+

+

+cogl_texture_new_from_foreign, function in Textures
+

+

+

+cogl_texture_new_with_size, function in Textures
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/ix04.html b/doc/reference/cogl/html/ix04.html
new file mode 100644
index 0000000..ebcdd9a
--- /dev/null
+++ b/doc/reference/cogl/html/ix04.html
@@ -0,0 +1,607 @@
+
+
+
+
+Index of new symbols in 1.0
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 1.0

+
A

+

+CoglAngle, typedef in Fixed Point API
+

+

+

+cogl_angle_cos, function in Fixed Point API
+

+

+

+COGL_ANGLE_FROM_DEG, macro in Fixed Point API
+

+

+

+COGL_ANGLE_FROM_DEGX, macro in Fixed Point API
+

+

+

+cogl_angle_sin, function in Fixed Point API
+

+

+

+cogl_angle_tan, function in Fixed Point API
+

+

+

+COGL_ANGLE_TO_DEG, macro in Fixed Point API
+

+

+

+COGL_ANGLE_TO_DEGX, macro in Fixed Point API
+

+

+

+CoglAttributeType, enum in General API
+

+

+
B

+

+cogl_begin_gl, function in General API
+

+

+

+cogl_bitmap_get_size_from_file, function in Bitmaps
+

+

+

+cogl_bitmap_new_from_file, function in Bitmaps
+

+

+

+CoglBlendStringError, enum in Materials
+

+

+

+COGL_BLEND_STRING_ERROR, macro in Materials
+

+

+

+CoglBufferBit, enum in General API
+

+

+
C

+

+cogl_clip_ensure, function in Clipping (Deprecated)
+

+

+

+CoglColor, struct in Color Type
+

+

+

+cogl_color_copy, function in Color Type
+

+

+

+cogl_color_equal, function in Color Type
+

+

+

+cogl_color_free, function in Color Type
+

+

+

+cogl_color_get_alpha, function in Color Type
+

+

+

+cogl_color_get_alpha_byte, function in Color Type
+

+

+

+cogl_color_get_alpha_float, function in Color Type
+

+

+

+cogl_color_get_blue, function in Color Type
+

+

+

+cogl_color_get_blue_byte, function in Color Type
+

+

+

+cogl_color_get_blue_float, function in Color Type
+

+

+

+cogl_color_get_green, function in Color Type
+

+

+

+cogl_color_get_green_byte, function in Color Type
+

+

+

+cogl_color_get_green_float, function in Color Type
+

+

+

+cogl_color_get_red, function in Color Type
+

+

+

+cogl_color_get_red_byte, function in Color Type
+

+

+

+cogl_color_get_red_float, function in Color Type
+

+

+

+cogl_color_new, function in Color Type
+

+

+

+cogl_color_premultiply, function in Color Type
+

+

+

+cogl_color_set_from_4f, function in Color Type
+

+

+

+cogl_color_set_from_4ub, function in Color Type
+

+

+
E

+

+cogl_end_gl, function in General API
+

+

+
F

+

+COGL_FIXED_0_5, macro in Fixed Point API
+

+

+

+COGL_FIXED_1, macro in Fixed Point API
+

+

+

+COGL_FIXED_120, macro in Fixed Point API
+

+

+

+COGL_FIXED_180, macro in Fixed Point API
+

+

+

+COGL_FIXED_240, macro in Fixed Point API
+

+

+

+COGL_FIXED_255, macro in Fixed Point API
+

+

+

+COGL_FIXED_270, macro in Fixed Point API
+

+

+

+COGL_FIXED_2_PI, macro in Fixed Point API
+

+

+

+COGL_FIXED_30, macro in Fixed Point API
+

+

+

+COGL_FIXED_360, macro in Fixed Point API
+

+

+

+COGL_FIXED_45, macro in Fixed Point API
+

+

+

+COGL_FIXED_60, macro in Fixed Point API
+

+

+

+COGL_FIXED_90, macro in Fixed Point API
+

+

+

+cogl_fixed_atan, function in Fixed Point API
+

+

+

+cogl_fixed_atan2, function in Fixed Point API
+

+

+

+COGL_FIXED_BITS, macro in Fixed Point API
+

+

+

+COGL_FIXED_CEIL, macro in Fixed Point API
+

+

+

+cogl_fixed_cos, function in Fixed Point API
+

+

+

+COGL_FIXED_DIV, macro in Fixed Point API
+

+

+

+COGL_FIXED_EPSILON, macro in Fixed Point API
+

+

+

+COGL_FIXED_FAST_DIV, macro in Fixed Point API
+

+

+

+COGL_FIXED_FAST_MUL, macro in Fixed Point API
+

+

+

+COGL_FIXED_FLOOR, macro in Fixed Point API
+

+

+

+COGL_FIXED_FRACTION, macro in Fixed Point API
+

+

+

+COGL_FIXED_FROM_DOUBLE, macro in Fixed Point API
+

+

+

+COGL_FIXED_FROM_FLOAT, macro in Fixed Point API
+

+

+

+COGL_FIXED_FROM_INT, macro in Fixed Point API
+

+

+

+cogl_fixed_log2, function in Fixed Point API
+

+

+

+COGL_FIXED_MAX, macro in Fixed Point API
+

+

+

+COGL_FIXED_MIN, macro in Fixed Point API
+

+

+

+COGL_FIXED_MUL, macro in Fixed Point API
+

+

+

+COGL_FIXED_MUL_DIV, macro in Fixed Point API
+

+

+

+COGL_FIXED_PI, macro in Fixed Point API
+

+

+

+COGL_FIXED_PI_2, macro in Fixed Point API
+

+

+

+COGL_FIXED_PI_4, macro in Fixed Point API
+

+

+

+cogl_fixed_pow, function in Fixed Point API
+

+

+

+cogl_fixed_pow2, function in Fixed Point API
+

+

+

+COGL_FIXED_Q, macro in Fixed Point API
+

+

+

+cogl_fixed_sin, function in Fixed Point API
+

+

+

+cogl_fixed_sqrt, function in Fixed Point API
+

+

+

+cogl_fixed_tan, function in Fixed Point API
+

+

+

+COGL_FIXED_TO_DOUBLE, macro in Fixed Point API
+

+

+

+COGL_FIXED_TO_FLOAT, macro in Fixed Point API
+

+

+

+COGL_FIXED_TO_INT, macro in Fixed Point API
+

+

+

+COGL_FLOAT_TO_INT, macro in Fixed Point API
+

+

+

+COGL_FLOAT_TO_UINT, macro in Fixed Point API
+

+

+

+cogl_flush, function in General API
+

+

+

+CoglFogMode, enum in General API
+

+

+
G

+

+cogl_get_option_group, function in General API
+

+

+
I

+

+cogl_is_bitmap, function in Bitmaps
+

+

+

+cogl_is_vertex_buffer, function in Vertex Buffers
+

+

+
M

+

+CoglMaterialLayerType, enum in Materials
+

+

+

+cogl_material_get_ambient, function in Materials
+

+

+

+cogl_material_get_color, function in Materials
+

+

+

+cogl_material_get_diffuse, function in Materials
+

+

+

+cogl_material_get_emission, function in Materials
+

+

+

+cogl_material_get_n_layers, function in Materials
+

+

+

+cogl_material_get_shininess, function in Materials
+

+

+

+cogl_material_get_specular, function in Materials
+

+

+

+cogl_material_ref, function in Materials (Deprecated)
+

+

+

+cogl_material_set_alpha_test_function, function in Materials
+

+

+

+cogl_material_set_ambient, function in Materials
+

+

+

+cogl_material_set_ambient_and_diffuse, function in Materials
+

+

+

+cogl_material_set_blend, function in Materials
+

+

+

+cogl_material_set_blend_constant, function in Materials
+

+

+

+cogl_material_set_color, function in Materials
+

+

+

+cogl_material_set_color4f, function in Materials
+

+

+

+cogl_material_set_color4ub, function in Materials
+

+

+

+cogl_material_set_diffuse, function in Materials
+

+

+

+cogl_material_set_emission, function in Materials
+

+

+

+cogl_material_set_layer, function in Materials
+

+

+

+cogl_material_set_layer_combine, function in Materials
+

+

+

+cogl_material_set_layer_combine_constant, function in Materials
+

+

+

+cogl_material_set_shininess, function in Materials
+

+

+

+cogl_material_set_specular, function in Materials
+

+

+

+cogl_material_unref, function in Materials (Deprecated)
+

+

+
O

+

+cogl_ortho, function in General API
+

+

+
P

+

+cogl_polygon, function in Primitives
+

+

+
R

+

+COGL_RADIANS_TO_DEGREES, macro in Fixed Point API
+

+

+

+CoglReadPixelsFlags, enum in General API
+

+

+

+cogl_rectangles, function in Primitives
+

+

+

+cogl_rectangle_with_multitexture_coords, function in Primitives
+

+

+

+cogl_rectangle_with_texture_coords, function in Primitives
+

+

+
S

+

+cogl_set_source, function in General API
+

+

+

+cogl_set_source_color, function in General API
+

+

+

+cogl_set_source_color4f, function in General API
+

+

+

+cogl_set_source_color4ub, function in General API
+

+

+

+cogl_set_source_texture, function in General API
+

+

+

+CoglShaderType, enum in Shaders and Programmable Pipeline
+

+

+

+cogl_sqrti, function in Fixed Point API
+

+

+

+COGL_SQRTI_ARG_10_PERCENT, macro in Fixed Point API
+

+

+

+COGL_SQRTI_ARG_5_PERCENT, macro in Fixed Point API
+

+

+

+COGL_SQRTI_ARG_MAX, macro in Fixed Point API
+

+

+
T

+

+CoglTextureFlags, enum in Textures
+

+

+

+cogl_texture_new_from_bitmap, function in Textures
+

+

+
V

+

+CoglVerticesMode, enum in Vertex Buffers
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/ix05.html b/doc/reference/cogl/html/ix05.html
new file mode 100644
index 0000000..1eb673c
--- /dev/null
+++ b/doc/reference/cogl/html/ix05.html
@@ -0,0 +1,130 @@
+
+
+
+
+Index of new symbols in 1.2
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 1.2

+
B

+

+CoglBufferAccess, enum in Buffers
+

+

+

+CoglBufferUpdateHint, enum in Buffers
+

+

+

+cogl_buffer_get_size, function in Buffers
+

+

+

+cogl_buffer_get_update_hint, function in Buffers
+

+

+

+cogl_buffer_map, function in Buffers
+

+

+

+cogl_buffer_set_data, function in Buffers
+

+

+

+cogl_buffer_set_update_hint, function in Buffers
+

+

+

+cogl_buffer_unmap, function in Buffers
+

+

+
C

+

+cogl_clip_push_rectangle, function in Clipping
+

+

+

+cogl_clip_push_window_rectangle, function in Clipping
+

+

+
I

+

+cogl_is_buffer, function in Buffers
+

+

+

+cogl_is_pixel_buffer, function in Buffers
+

+

+
M

+

+cogl_material_copy, function in Materials
+

+

+

+cogl_matrix_get_inverse, function in Matrices
+

+

+
P

+

+cogl_pop_framebuffer, function in Offscreen Buffers
+

+

+

+cogl_push_framebuffer, function in Offscreen Buffers
+

+

+
S

+

+cogl_set_framebuffer, function in Offscreen Buffers
+

+

+

+cogl_set_viewport, function in General API
+

+

+
T

+

+cogl_texture_new_from_sub_texture, function in Textures
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/ix06.html b/doc/reference/cogl/html/ix06.html
new file mode 100644
index 0000000..23e204a
--- /dev/null
+++ b/doc/reference/cogl/html/ix06.html
@@ -0,0 +1,296 @@
+
+
+
+
+Index of new symbols in 1.4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 1.4

+
B

+

+CoglBitmapError, enum in Bitmaps
+

+

+

+COGL_BITMAP_ERROR, macro in Bitmaps
+

+

+
C

+

+cogl_color_init_from_4f, function in Color Type
+

+

+

+cogl_color_init_from_4fv, function in Color Type
+

+

+

+cogl_color_init_from_4ub, function in Color Type
+

+

+

+cogl_color_set_alpha, function in Color Type
+

+

+

+cogl_color_set_alpha_byte, function in Color Type
+

+

+

+cogl_color_set_alpha_float, function in Color Type
+

+

+

+cogl_color_set_blue, function in Color Type
+

+

+

+cogl_color_set_blue_byte, function in Color Type
+

+

+

+cogl_color_set_blue_float, function in Color Type
+

+

+

+cogl_color_set_green, function in Color Type
+

+

+

+cogl_color_set_green_byte, function in Color Type
+

+

+

+cogl_color_set_green_float, function in Color Type
+

+

+

+cogl_color_set_red, function in Color Type
+

+

+

+cogl_color_set_red_byte, function in Color Type
+

+

+

+cogl_color_set_red_float, function in Color Type
+

+

+

+cogl_color_unpremultiply, function in Color Type
+

+

+
I

+

+cogl_is_texture_3d, function in 3D textures
+

+

+

+cogl_is_vertex_buffer_indices, function in Vertex Buffers
+

+

+
M

+

+CoglMaterialLayerCallback, user_function in Materials
+

+

+

+CoglMaterialWrapMode, enum in Materials
+

+

+

+cogl_material_foreach_layer, function in Materials
+

+

+

+cogl_material_get_layer_point_sprite_coords_enabled, function in Materials
+

+

+

+cogl_material_get_point_size, function in Materials
+

+

+

+cogl_material_get_user_program, function in Materials
+

+

+

+cogl_material_set_layer_point_sprite_coords_enabled, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode_p, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode_s, function in Materials
+

+

+

+cogl_material_set_layer_wrap_mode_t, function in Materials
+

+

+

+cogl_material_set_point_size, function in Materials
+

+

+

+cogl_material_set_user_program, function in Materials
+

+

+

+cogl_matrix_equal, function in Matrices
+

+

+
O

+

+cogl_object_get_user_data, function in General API
+

+

+

+cogl_object_set_user_data, function in General API
+

+

+
P

+

+cogl_program_set_uniform_1f, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_1i, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_float, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_int, function in Shaders and Programmable Pipeline
+

+

+

+cogl_program_set_uniform_matrix, function in Shaders and Programmable Pipeline
+

+

+
T

+

+cogl_transform, function in General API
+

+

+
U

+

+CoglUserDataKey, struct in General API
+

+

+
V

+

+cogl_vector3_add, function in Vectors
+

+

+

+cogl_vector3_copy, function in Vectors
+

+

+

+cogl_vector3_cross_product, function in Vectors
+

+

+

+cogl_vector3_distance, function in Vectors
+

+

+

+cogl_vector3_divide_scalar, function in Vectors
+

+

+

+cogl_vector3_dot_product, function in Vectors
+

+

+

+cogl_vector3_equal, function in Vectors
+

+

+

+cogl_vector3_equal_with_epsilon, function in Vectors
+

+

+

+cogl_vector3_free, function in Vectors
+

+

+

+cogl_vector3_init, function in Vectors
+

+

+

+cogl_vector3_init_zero, function in Vectors
+

+

+

+cogl_vector3_invert, function in Vectors
+

+

+

+cogl_vector3_magnitude, function in Vectors
+

+

+

+cogl_vector3_multiply_scalar, function in Vectors
+

+

+

+cogl_vector3_normalize, function in Vectors
+

+

+

+cogl_vector3_subtract, function in Vectors
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/ix07.html b/doc/reference/cogl/html/ix07.html
new file mode 100644
index 0000000..9d8d50e
--- /dev/null
+++ b/doc/reference/cogl/html/ix07.html
@@ -0,0 +1,74 @@
+
+
+
+
+Index of new symbols in 1.6
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 1.6

+
G

+

+cogl_get_source, function in General API
+

+

+
M

+

+cogl_material_get_layer_wrap_mode_p, function in Materials
+

+

+

+cogl_material_get_layer_wrap_mode_s, function in Materials
+

+

+

+cogl_material_get_layer_wrap_mode_t, function in Materials
+

+

+

+cogl_matrix_copy, function in Matrices
+

+

+

+cogl_matrix_free, function in Matrices
+

+

+
P

+

+cogl_pop_source, function in General API
+

+

+

+cogl_push_source, function in General API
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/ix08.html b/doc/reference/cogl/html/ix08.html
new file mode 100644
index 0000000..debda69
--- /dev/null
+++ b/doc/reference/cogl/html/ix08.html
@@ -0,0 +1,38 @@
+
+
+
+
+Index of new symbols in 1.8
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Index of new symbols in 1.8

+
M

+

+cogl_matrix_is_identity, function in Matrices
+

+

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/left.png b/doc/reference/cogl/html/left.png
new file mode 100644
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+
+
+
+Appendix A. License
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

+

+Appendix A. License

+

+      This library is free software; you can redistribute it and/or
+      modify it under the terms of the GNU Library General
+      Public License as published by the Free Software
+      Foundation; either version 2 of the License, or (at your option)
+      any later version.
+    

+

+      This library is distributed in the hope that it will be useful,
+      but WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+      GNU Library General Public License for
+      more details.
+    

+

+      You may obtain a copy of the GNU Library General
+      Public License from the Free Software Foundation by
+      visiting their Web
+      site or by writing to:
+
+      

+


+        Free Software Foundation, Inc.

+        59 Temple Place - Suite 330

+        Boston, MA 02111-1307

+        USA

+      

+

+    

+

+

+

+          Generated by GTK-Doc V1.19.1

+
+
\ No newline at end of file
diff --git a/doc/reference/cogl/html/quad-indices-order.png b/doc/reference/cogl/html/quad-indices-order.png
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diff --git a/examples/Makefile.am b/examples/Makefile.am
new file mode 100644
index 0000000..b7cccec
--- /dev/null
+++ b/examples/Makefile.am
@@ -0,0 +1,140 @@
+include $(top_srcdir)/build/autotools/Makefile.am.silent
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)
+
+if !USE_GLIB
+AM_CPPFLAGS += -I$(top_builddir)/deps/glib
+endif
+
+AM_CFLAGS = \
+	$(COGL_DEP_CFLAGS) \
+	$(COGL_EXTRA_CFLAGS) \
+	-DCOGL_ENABLE_EXPERIMENTAL_2_0_API
+
+if INSTALL_EXAMPLES
+AM_CFLAGS += -DCOGL_EXAMPLES_DATA=\""$(pkgdatadir)/examples-data/"\"
+else
+AM_CFLAGS += -DCOGL_EXAMPLES_DATA=\""$(abs_top_srcdir)/examples/"\"
+endif
+
+common_ldadd = \
+	$(COGL_DEP_LIBS) \
+	$(top_builddir)/cogl/libcogl.la \
+	$(LIBM)
+
+if !USE_GLIB
+common_ldadd += $(top_builddir)/deps/glib/libglib.la
+endif
+
+programs = cogl-info
+
+cogl_info_SOURCES = cogl-info.c
+cogl_info_LDADD = $(common_ldadd)
+
+if USE_GLIB
+programs += cogl-hello cogl-msaa cogl-gles2-context cogl-point-sprites
+examples_datadir = $(pkgdatadir)/examples-data
+examples_data_DATA =
+
+cogl_hello_SOURCES = cogl-hello.c
+cogl_hello_LDADD = $(common_ldadd)
+cogl_msaa_SOURCES = cogl-msaa.c
+cogl_msaa_LDADD = $(common_ldadd)
+cogl_point_sprites_SOURCES = cogl-point-sprites.c
+cogl_point_sprites_LDADD = $(common_ldadd)
+
+if BUILD_COGL_PANGO
+programs += cogl-crate
+cogl_crate_SOURCES = cogl-crate.c
+cogl_crate_LDADD = $(common_ldadd) $(COGL_PANGO_DEP_LIBS) $(top_builddir)/cogl-pango/libcogl-pango.la
+cogl_crate_CFLAGS = $(AM_CFLAGS) $(COGL_PANGO_DEP_CFLAGS)
+examples_data_DATA += crate.jpg
+endif
+
+if BUILD_COGL_GST
+programs += cogl-basic-video-player
+cogl_basic_video_player_SOURCES = cogl-basic-video-player.c
+cogl_basic_video_player_LDADD = $(common_ldadd) $(COGL_GST_DEP_LIBS) $(top_builddir)/cogl-gst/libcogl-gst.la
+cogl_basic_video_player_CFLAGS = $(AM_CFLAGS) $(COGL_GST_DEP_CFLAGS) -I$(top_builddir)/cogl-gst
+endif
+
+if X11_TESTS
+programs += cogl-x11-foreign cogl-x11-tfp
+cogl_x11_foreign_SOURCES = cogl-x11-foreign.c
+cogl_x11_foreign_LDADD = $(common_ldadd)
+cogl_x11_tfp_SOURCES = cogl-x11-tfp.c
+cogl_x11_tfp_LDADD = $(common_ldadd)
+endif
+
+if SUPPORT_WAYLAND_EGL_SERVER
+# Note: Cogland currently only builds for Wayland 0.85
+programs += cogland
+cogland_SOURCES = cogland.c
+cogland_LDADD = $(common_ldadd)
+endif
+
+cogl_gles2_context_SOURCES = cogl-gles2-context.c
+cogl_gles2_context_LDADD = $(common_ldadd)
+
+if BUILD_COGL_GLES2
+programs += cogl-gles2-gears
+cogl_gles2_gears_SOURCES = cogl-gles2-gears.c
+cogl_gles2_gears_CFLAGS = -I$(top_srcdir)/cogl-gles2 $(AM_CFLAGS)
+cogl_gles2_gears_LDADD = $(common_ldadd) $(top_builddir)/cogl-gles2/libcogl-gles2.la
+endif
+
+endif #USE_GLIB
+
+# XXX although emscripten "supports sdl" we can't build cogl-sdl-hello
+# un-modified for emscripten since emscripten doesn't support
+# SDL_WaitEvent() and we need to use some special emscripten apis
+# to create a mainloop....
+if USING_EMSCRIPTEN
+
+programs += cogl-emscripten-hello
+cogl_emscripten_hello_SOURCES = cogl-emscripten-hello.c
+cogl_emscripten_hello_LDADD = $(common_ldadd)
+
+else # USING_EMSCRIPTEN
+
+if SUPPORT_SDL
+programs += cogl-sdl-hello
+cogl_sdl_hello_SOURCES = cogl-sdl-hello.c
+cogl_sdl_hello_LDADD = $(common_ldadd)
+endif
+
+endif # USING_EMSCRIPTEN
+
+if SUPPORT_SDL2
+programs += cogl-sdl2-hello
+cogl_sdl2_hello_SOURCES = cogl-sdl2-hello.c
+cogl_sdl2_hello_LDADD = $(common_ldadd)
+endif
+
+if USING_EMSCRIPTEN
+%.html: %.o $(top_builddir)/cogl/.libs/libcogl2.so $(top_builddir)/deps/glib/.libs/libglib.a
+	$(CC) $(AM_CFLAGS) $(CFLAGS) --js-library $(top_srcdir)/examples/emscripten-example-js-library.js -o $@ $^
+
+all-local: $(addsuffix .html, $(programs))
+endif
+
+if INSTALL_EXAMPLES
+bin_PROGRAMS = $(programs)
+else
+noinst_PROGRAMS = $(programs)
+endif
+
+EXTRA_DIST = \
+	cogl-gjs.js \
+	crate.jpg \
+	emscripten-example-js.h \
+	emscripten-example-js-library.js \
+	android/hello/AndroidManifest.xml \
+	android/hello/jni/Application.mk \
+	android/hello/jni/Android.mk \
+	android/hello/jni/main.c \
+	android/hello/res/values/strings.xml \
+	android/hello/.gitignore \
+	android/hello/build.xml
+
diff --git a/examples/Makefile.in b/examples/Makefile.in
new file mode 100644
index 0000000..a66fcb2
--- /dev/null
+++ b/examples/Makefile.in
@@ -0,0 +1,1153 @@
+# Makefile.in generated by automake 1.14.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# custom rules for quiet builds
+
+
+VPATH = @srcdir@
+am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)'
+am__make_running_with_option = \
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+	$(am__append_9) $(am__append_10) $(am__append_11) \
+	$(am__append_12) $(am__append_13) $(am__append_14)
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+@USE_GLIB_TRUE@cogl_msaa_LDADD = $(common_ldadd)
+@USE_GLIB_TRUE@cogl_point_sprites_SOURCES = cogl-point-sprites.c
+@USE_GLIB_TRUE@cogl_point_sprites_LDADD = $(common_ldadd)
+@BUILD_COGL_PANGO_TRUE@@USE_GLIB_TRUE@cogl_crate_SOURCES = cogl-crate.c
+@BUILD_COGL_PANGO_TRUE@@USE_GLIB_TRUE@cogl_crate_LDADD = $(common_ldadd) $(COGL_PANGO_DEP_LIBS) $(top_builddir)/cogl-pango/libcogl-pango.la
+@BUILD_COGL_PANGO_TRUE@@USE_GLIB_TRUE@cogl_crate_CFLAGS = $(AM_CFLAGS) $(COGL_PANGO_DEP_CFLAGS)
+@BUILD_COGL_GST_TRUE@@USE_GLIB_TRUE@cogl_basic_video_player_SOURCES = cogl-basic-video-player.c
+@BUILD_COGL_GST_TRUE@@USE_GLIB_TRUE@cogl_basic_video_player_LDADD = $(common_ldadd) $(COGL_GST_DEP_LIBS) $(top_builddir)/cogl-gst/libcogl-gst.la
+@BUILD_COGL_GST_TRUE@@USE_GLIB_TRUE@cogl_basic_video_player_CFLAGS = $(AM_CFLAGS) $(COGL_GST_DEP_CFLAGS) -I$(top_builddir)/cogl-gst
+@USE_GLIB_TRUE@@X11_TESTS_TRUE@cogl_x11_foreign_SOURCES = cogl-x11-foreign.c
+@USE_GLIB_TRUE@@X11_TESTS_TRUE@cogl_x11_foreign_LDADD = $(common_ldadd)
+@USE_GLIB_TRUE@@X11_TESTS_TRUE@cogl_x11_tfp_SOURCES = cogl-x11-tfp.c
+@USE_GLIB_TRUE@@X11_TESTS_TRUE@cogl_x11_tfp_LDADD = $(common_ldadd)
+@SUPPORT_WAYLAND_EGL_SERVER_TRUE@@USE_GLIB_TRUE@cogland_SOURCES = cogland.c
+@SUPPORT_WAYLAND_EGL_SERVER_TRUE@@USE_GLIB_TRUE@cogland_LDADD = $(common_ldadd)
+@USE_GLIB_TRUE@cogl_gles2_context_SOURCES = cogl-gles2-context.c
+@USE_GLIB_TRUE@cogl_gles2_context_LDADD = $(common_ldadd)
+@BUILD_COGL_GLES2_TRUE@@USE_GLIB_TRUE@cogl_gles2_gears_SOURCES = cogl-gles2-gears.c
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+@BUILD_COGL_GLES2_TRUE@@USE_GLIB_TRUE@cogl_gles2_gears_LDADD = $(common_ldadd) $(top_builddir)/cogl-gles2/libcogl-gles2.la
+@USING_EMSCRIPTEN_TRUE@cogl_emscripten_hello_SOURCES = cogl-emscripten-hello.c
+@USING_EMSCRIPTEN_TRUE@cogl_emscripten_hello_LDADD = $(common_ldadd)
+@SUPPORT_SDL_TRUE@@USING_EMSCRIPTEN_FALSE@cogl_sdl_hello_SOURCES = cogl-sdl-hello.c
+@SUPPORT_SDL_TRUE@@USING_EMSCRIPTEN_FALSE@cogl_sdl_hello_LDADD = $(common_ldadd)
+@SUPPORT_SDL2_TRUE@cogl_sdl2_hello_SOURCES = cogl-sdl2-hello.c
+@SUPPORT_SDL2_TRUE@cogl_sdl2_hello_LDADD = $(common_ldadd)
+EXTRA_DIST = \
+	cogl-gjs.js \
+	crate.jpg \
+	emscripten-example-js.h \
+	emscripten-example-js-library.js \
+	android/hello/AndroidManifest.xml \
+	android/hello/jni/Application.mk \
+	android/hello/jni/Android.mk \
+	android/hello/jni/main.c \
+	android/hello/res/values/strings.xml \
+	android/hello/.gitignore \
+	android/hello/build.xml
+
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+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign examples/Makefile
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+	  *config.status*) \
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+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
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+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
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+	sed -e 'p;s,.*/,,;n;h' \
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+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(bindir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(bindir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(bindir)" && rm -f $$files
+
+clean-binPROGRAMS:
+	@list='$(bin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+clean-noinstPROGRAMS:
+	@list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
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+
+cogl-basic-video-player$(EXEEXT): $(cogl_basic_video_player_OBJECTS) $(cogl_basic_video_player_DEPENDENCIES) $(EXTRA_cogl_basic_video_player_DEPENDENCIES) 
+	@rm -f cogl-basic-video-player$(EXEEXT)
+	$(AM_V_CCLD)$(cogl_basic_video_player_LINK) $(cogl_basic_video_player_OBJECTS) $(cogl_basic_video_player_LDADD) $(LIBS)
+
+cogl-crate$(EXEEXT): $(cogl_crate_OBJECTS) $(cogl_crate_DEPENDENCIES) $(EXTRA_cogl_crate_DEPENDENCIES) 
+	@rm -f cogl-crate$(EXEEXT)
+	$(AM_V_CCLD)$(cogl_crate_LINK) $(cogl_crate_OBJECTS) $(cogl_crate_LDADD) $(LIBS)
+
+cogl-emscripten-hello$(EXEEXT): $(cogl_emscripten_hello_OBJECTS) $(cogl_emscripten_hello_DEPENDENCIES) $(EXTRA_cogl_emscripten_hello_DEPENDENCIES) 
+	@rm -f cogl-emscripten-hello$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(cogl_emscripten_hello_OBJECTS) $(cogl_emscripten_hello_LDADD) $(LIBS)
+
+cogl-gles2-context$(EXEEXT): $(cogl_gles2_context_OBJECTS) $(cogl_gles2_context_DEPENDENCIES) $(EXTRA_cogl_gles2_context_DEPENDENCIES) 
+	@rm -f cogl-gles2-context$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(cogl_gles2_context_OBJECTS) $(cogl_gles2_context_LDADD) $(LIBS)
+
+cogl-gles2-gears$(EXEEXT): $(cogl_gles2_gears_OBJECTS) $(cogl_gles2_gears_DEPENDENCIES) $(EXTRA_cogl_gles2_gears_DEPENDENCIES) 
+	@rm -f cogl-gles2-gears$(EXEEXT)
+	$(AM_V_CCLD)$(cogl_gles2_gears_LINK) $(cogl_gles2_gears_OBJECTS) $(cogl_gles2_gears_LDADD) $(LIBS)
+
+cogl-hello$(EXEEXT): $(cogl_hello_OBJECTS) $(cogl_hello_DEPENDENCIES) $(EXTRA_cogl_hello_DEPENDENCIES) 
+	@rm -f cogl-hello$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(cogl_hello_OBJECTS) $(cogl_hello_LDADD) $(LIBS)
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+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS uninstall-examples_dataDATA
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am all-local check check-am clean \
+	clean-binPROGRAMS clean-generic clean-libtool \
+	clean-noinstPROGRAMS cscopelist-am ctags ctags-am distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-binPROGRAMS install-data \
+	install-data-am install-dvi install-dvi-am \
+	install-examples_dataDATA install-exec install-exec-am \
+	install-html install-html-am install-info install-info-am \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-binPROGRAMS uninstall-examples_dataDATA
+
+
+@USING_EMSCRIPTEN_TRUE@%.html: %.o $(top_builddir)/cogl/.libs/libcogl2.so $(top_builddir)/deps/glib/.libs/libglib.a
+@USING_EMSCRIPTEN_TRUE@	$(CC) $(AM_CFLAGS) $(CFLAGS) --js-library $(top_srcdir)/examples/emscripten-example-js-library.js -o $@ $^
+
+@USING_EMSCRIPTEN_TRUE@all-local: $(addsuffix .html, $(programs))
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/examples/android/hello/.gitignore b/examples/android/hello/.gitignore
new file mode 100644
index 0000000..7fdabdd
--- /dev/null
+++ b/examples/android/hello/.gitignore
@@ -0,0 +1,7 @@
+bin
+libs
+obj
+
+default.properties
+local.properties
+proguard.cfg
diff --git a/examples/android/hello/AndroidManifest.xml b/examples/android/hello/AndroidManifest.xml
new file mode 100644
index 0000000..3cb6026
--- /dev/null
+++ b/examples/android/hello/AndroidManifest.xml
@@ -0,0 +1,30 @@
+
+
+
+
+    
+    
+
+    
+    
+
+        
+        
+            
+            
+            
+                
+                
+            
+        
+    
+
+
+
diff --git a/examples/android/hello/build.xml b/examples/android/hello/build.xml
new file mode 100644
index 0000000..d69afbc
--- /dev/null
+++ b/examples/android/hello/build.xml
@@ -0,0 +1,84 @@
+
+
+
+
+    
+
+    
+    
+
+    
+    
+
+    
+    
+        
+        
+        
+    
+
+    
+
+
+
+
+
+    
+    
+
+
diff --git a/examples/android/hello/jni/Android.mk b/examples/android/hello/jni/Android.mk
new file mode 100644
index 0000000..01c811c
--- /dev/null
+++ b/examples/android/hello/jni/Android.mk
@@ -0,0 +1,19 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE    := test-cogl-hello
+LOCAL_SRC_FILES := main.c
+LOCAL_LDLIBS    := -llog -landroid -lEGL -lGLESv1_CM
+LOCAL_STATIC_LIBRARIES := cogl android_native_app_glue gobject gmodule gthread glib-android glib iconv
+LOCAL_ARM_MODE := arm
+LOCAL_CFLAGS := 				\
+	-DG_LOG_DOMAIN=\"TestCoglHello\"	\
+	-DCOGL_ENABLE_EXPERIMENTAL_2_0_API	\
+	$(NULL)
+
+include $(BUILD_SHARED_LIBRARY)
+
+$(call import-module,android/native_app_glue)
+$(call import-module,glib)
+$(call import-module,cogl)
diff --git a/examples/android/hello/jni/Application.mk b/examples/android/hello/jni/Application.mk
new file mode 100644
index 0000000..22d188e
--- /dev/null
+++ b/examples/android/hello/jni/Application.mk
@@ -0,0 +1 @@
+APP_PLATFORM := android-9
diff --git a/examples/android/hello/jni/main.c b/examples/android/hello/jni/main.c
new file mode 100644
index 0000000..c9a8401
--- /dev/null
+++ b/examples/android/hello/jni/main.c
@@ -0,0 +1,188 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ * Copyright (C) 2011 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+/*
+ * This file is derived from the "native-activity" sample of the android NDK
+ * r5b. The coding style has been adapted to the code style most commonly found
+ * in glib/gobject based projects.
+ */
+
+#include 
+
+#include 
+#include 
+#include 
+
+typedef struct
+{
+  struct android_app* app;
+
+  CoglContext *context;
+  CoglPrimitive *triangle;
+  CoglFramebuffer *fb;
+} TestData;
+
+static int test_init (TestData* data)
+{
+  CoglOnscreen *onscreen;
+  CoglError *error = NULL;
+  CoglVertexP2C4 triangle_vertices[] = {
+        {0, 0.7, 0xff, 0x00, 0x00, 0xff},
+        {-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
+        {0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
+  };
+
+  cogl_android_set_native_window (data->app->window);
+
+  data->context = cogl_context_new (NULL, &error);
+  if (!data->context)
+    {
+      g_critical ("Failed to create context: %s\n", error->message);
+      return 1;
+    }
+
+  onscreen = cogl_onscreen_new (data->context, 320, 420);
+
+  /* Eventually there will be an implicit allocate on first use so this
+   * will become optional... */
+  data->fb = COGL_FRAMEBUFFER (onscreen);
+  if (!cogl_framebuffer_allocate (data->fb, &error))
+    {
+      if (error)
+        g_critical ("Failed to allocate framebuffer: %s\n", error->message);
+      else
+        g_critical ("Failed to allocate framebuffer");
+      return 1;
+    }
+
+  cogl_onscreen_show (onscreen);
+
+  cogl_push_framebuffer (data->fb);
+
+  data->triangle = cogl_primitive_new_p2c4 (COGL_VERTICES_MODE_TRIANGLES,
+                                            3, triangle_vertices);
+
+  return 0;
+}
+
+static test_draw_frame_and_swap (TestData *data)
+{
+  if (data->context)
+    {
+      cogl_primitive_draw (data->triangle);
+      cogl_framebuffer_swap_buffers (data->fb);
+    }
+}
+
+static void
+test_fini (TestData *data)
+{
+  if (data->fb)
+    {
+      cogl_object_unref (data->triangle);
+      cogl_object_unref (data->fb);
+      cogl_object_unref (data->context);
+      data->triangle = NULL;
+      data->fb = NULL;
+      data->context = NULL;
+    }
+}
+
+/**
+ * Process the next main command.
+ */
+static void
+test_handle_cmd (struct android_app* app,
+                 int32_t             cmd)
+{
+  TestData *data = (TestData *) app->userData;
+
+  switch (cmd)
+    {
+    case APP_CMD_INIT_WINDOW:
+      /* The window is being shown, get it ready */
+      g_message ("command: INIT_WINDOW");
+      if (data->app->window != NULL)
+        {
+          test_init (data);
+          test_draw_frame_and_swap (data);
+        }
+      break;
+
+    case APP_CMD_TERM_WINDOW:
+      /* The window is being hidden or closed, clean it up */
+      g_message ("command: TERM_WINDOW");
+      test_fini (data);
+      break;
+
+    case APP_CMD_GAINED_FOCUS:
+      g_message ("command: GAINED_FOCUS");
+      break;
+
+    case APP_CMD_LOST_FOCUS:
+      /* When our app loses focus, we stop monitoring the accelerometer.
+       * This is to avoid consuming battery while not being used. */
+      g_message ("command: LOST_FOCUS");
+      test_draw_frame_and_swap (data);
+      break;
+    }
+}
+
+/**
+ * This is the main entry point of a native application that is using
+ * android_native_app_glue.  It runs in its own thread, with its own
+ * event loop for receiving input events and doing other things.
+ */
+void
+android_main (struct android_app* application)
+{
+  TestData data;
+
+  /* Make sure glue isn't stripped */
+  app_dummy ();
+
+  g_android_init ();
+
+  memset (&data, 0, sizeof (TestData));
+  application->userData = &data;
+  application->onAppCmd = test_handle_cmd;
+  data.app = application;
+
+  while (1)
+    {
+      int events;
+      struct android_poll_source* source;
+
+      while ((ALooper_pollAll (0, NULL, &events, (void**)&source)) >= 0)
+        {
+
+          /* Process this event */
+          if (source != NULL)
+            source->process (application, source);
+
+          /* Check if we are exiting */
+          if  (application->destroyRequested != 0)
+            {
+              test_fini (&data);
+              return;
+            }
+      }
+
+      test_draw_frame_and_swap (&data);
+    }
+}
diff --git a/examples/android/hello/res/values/strings.xml b/examples/android/hello/res/values/strings.xml
new file mode 100644
index 0000000..e4cdec0
--- /dev/null
+++ b/examples/android/hello/res/values/strings.xml
@@ -0,0 +1,4 @@
+
+
+    TestCoglHello
+
diff --git a/examples/cogl-basic-video-player.c b/examples/cogl-basic-video-player.c
new file mode 100644
index 0000000..f894c38
--- /dev/null
+++ b/examples/cogl-basic-video-player.c
@@ -0,0 +1,422 @@
+#include 
+#include 
+#include 
+
+#include 
+#include 
+
+typedef struct _Data
+{
+  CoglFramebuffer *fb;
+  CoglPipeline *border_pipeline;
+  CoglPipeline *video_pipeline;
+  CoglGstVideoSink *sink;
+  int onscreen_width;
+  int onscreen_height;
+  CoglGstRectangle video_output;
+  bool draw_ready;
+  bool frame_ready;
+  GMainLoop *main_loop;
+}Data;
+
+static gboolean
+_bus_watch (GstBus *bus,
+            GstMessage *msg,
+            void *user_data)
+{
+  Data *data = (Data*) user_data;
+  switch (GST_MESSAGE_TYPE (msg))
+    {
+      case GST_MESSAGE_EOS:
+        {
+          g_main_loop_quit (data->main_loop);
+          break;
+        }
+      case GST_MESSAGE_ERROR:
+        {
+          char *debug;
+          GError *error = NULL;
+
+          gst_message_parse_error (msg, &error, &debug);
+          g_free (debug);
+
+          if (error != NULL)
+            {
+              g_error ("Playback error: %s\n", error->message);
+              g_error_free (error);
+            }
+          g_main_loop_quit (data->main_loop);
+          break;
+        }
+      default:
+        break;
+    }
+
+  return TRUE;
+}
+
+static void
+_draw (Data *data)
+{
+  /*
+    The cogl pipeline needs to be retrieved from the sink before every draw.
+    This is due to the cogl-gst sink creating a new cogl pipeline for each frame
+    by copying the previous one and attaching the new frame to it.
+  */
+  CoglPipeline* current = cogl_gst_video_sink_get_pipeline (data->sink);
+
+  data->video_pipeline = current;
+
+  if (data->video_output.x)
+    {
+      int x = data->video_output.x;
+
+      /* Letterboxed with vertical borders */
+      cogl_framebuffer_draw_rectangle (data->fb,
+                                       data->border_pipeline,
+                                       0, 0, x, data->onscreen_height);
+      cogl_framebuffer_draw_rectangle (data->fb,
+                                       data->border_pipeline,
+                                       data->onscreen_width - x,
+                                       0,
+                                       data->onscreen_width,
+                                       data->onscreen_height);
+      cogl_framebuffer_draw_rectangle (data->fb, data->video_pipeline,
+                                       x, 0,
+                                       x + data->video_output.width,
+                                       data->onscreen_height);
+    }
+  else if (data->video_output.y)
+    {
+      int y = data->video_output.y;
+
+      /* Letterboxed with horizontal borders */
+      cogl_framebuffer_draw_rectangle (data->fb,
+                                       data->border_pipeline,
+                                       0, 0, data->onscreen_width, y);
+      cogl_framebuffer_draw_rectangle (data->fb,
+                                       data->border_pipeline,
+                                       0,
+                                       data->onscreen_height - y,
+                                       data->onscreen_width,
+                                       data->onscreen_height);
+      cogl_framebuffer_draw_rectangle (data->fb, data->video_pipeline,
+                                       0, y,
+                                       data->onscreen_width,
+                                       y + data->video_output.height);
+
+    }
+  else
+    {
+      cogl_framebuffer_draw_rectangle (data->fb,
+                                       data->video_pipeline,
+                                       0, 0,
+                                       data->onscreen_width,
+                                       data->onscreen_height);
+    }
+
+  cogl_onscreen_swap_buffers (COGL_ONSCREEN (data->fb));
+}
+
+static void
+_check_draw (Data *data)
+{
+  /* The frame is only drawn once we know that a new buffer is ready
+   * from GStreamer and that Cogl is ready to accept some new
+   * rendering */
+  if (data->draw_ready && data->frame_ready)
+    {
+      _draw (data);
+      data->draw_ready = FALSE;
+      data->frame_ready = FALSE;
+    }
+}
+
+static void
+_frame_callback (CoglOnscreen *onscreen,
+                 CoglFrameEvent event,
+                 CoglFrameInfo *info,
+                 void *user_data)
+{
+  Data *data = user_data;
+
+  if (event == COGL_FRAME_EVENT_SYNC)
+    {
+      data->draw_ready = TRUE;
+      _check_draw (data);
+    }
+}
+
+static void
+_new_frame_cb (CoglGstVideoSink *sink,
+               Data *data)
+{
+  data->frame_ready = TRUE;
+  _check_draw (data);
+}
+
+static void
+_resize_callback (CoglOnscreen *onscreen,
+                  int width,
+                  int height,
+                  void *user_data)
+{
+  Data *data = user_data;
+  CoglGstRectangle available;
+
+  data->onscreen_width = width;
+  data->onscreen_height = height;
+
+  cogl_framebuffer_orthographic (data->fb, 0, 0, width, height, -1, 100);
+
+  if (!data->video_pipeline)
+    return;
+
+  available.x = 0;
+  available.y = 0;
+  available.width = width;
+  available.height = height;
+  cogl_gst_video_sink_fit_size (data->sink,
+                                &available,
+                                &data->video_output);
+}
+
+/*
+  A callback like this should be attached to the cogl-pipeline-ready
+  signal. This way requesting the cogl pipeline before its creation
+  by the sink is avoided. At this point, user textures and snippets can
+  be added to the cogl pipeline.
+*/
+
+static void
+_set_up_pipeline (gpointer instance,
+                  gpointer user_data)
+{
+  Data* data = (Data*) user_data;
+
+  data->video_pipeline = cogl_gst_video_sink_get_pipeline (data->sink);
+
+  /* disable blending... */
+  cogl_pipeline_set_blend (data->video_pipeline,
+                           "RGBA = ADD (SRC_COLOR, 0)", NULL);
+
+  /* Now that we know the video size we can perform letterboxing */
+  _resize_callback (COGL_ONSCREEN (data->fb),
+                    data->onscreen_width,
+                    data->onscreen_height,
+                    data);
+
+  cogl_onscreen_add_frame_callback (COGL_ONSCREEN (data->fb), _frame_callback,
+                                    data, NULL);
+
+  /*
+     The cogl-gst-new-frame signal is emitted when the cogl-gst sink has
+     retrieved a new frame and attached it to the cogl pipeline. This can be
+     used to make sure cogl doesn't do any unnecessary drawing i.e. keeps to the
+     frame-rate of the video.
+  */
+
+  g_signal_connect (data->sink, "new-frame", G_CALLBACK (_new_frame_cb), data);
+}
+
+static CoglBool
+is_uri (const char *str)
+{
+  const char *p = str;
+
+  while (g_ascii_isalpha (*p))
+    p++;
+
+  return p > str && g_str_has_prefix (p, "://");
+}
+
+static CoglGstVideoSink *
+find_cogl_gst_video_sink (GstElement *element)
+{
+  GstElement *sink_element = NULL;
+  GstIterator *iterator;
+  GstElement *iterator_value;
+  GValue value;
+
+  if (!GST_IS_BIN (element))
+    return NULL;
+
+  iterator = gst_bin_iterate_recurse (GST_BIN (element));
+
+  g_value_init (&value, GST_TYPE_ELEMENT);
+
+  while (gst_iterator_next (iterator, &value) == GST_ITERATOR_OK)
+    {
+      iterator_value = g_value_get_object (&value);
+
+      g_value_reset (&value);
+
+      if (COGL_GST_IS_VIDEO_SINK (iterator_value))
+        {
+          sink_element = iterator_value;
+          break;
+        }
+    }
+
+  g_value_unset (&value);
+
+  gst_iterator_free (iterator);
+
+  return COGL_GST_VIDEO_SINK (sink_element);
+}
+
+
+static CoglBool
+make_pipeline_for_uri (CoglContext *ctx,
+                       const char *uri,
+                       GstElement **pipeline_out,
+                       CoglGstVideoSink **sink_out,
+                       GError **error)
+{
+  GstElement *pipeline;
+  GstElement *bin;
+  CoglGstVideoSink *sink;
+  GError *tmp_error = NULL;
+
+  if (is_uri (uri))
+    {
+      pipeline = gst_pipeline_new ("gst-player");
+      bin = gst_element_factory_make ("playbin", "bin");
+
+      sink = cogl_gst_video_sink_new (ctx);
+
+      g_object_set (G_OBJECT (bin),
+                    "video-sink",
+                    GST_ELEMENT (sink),
+                    NULL);
+
+      gst_bin_add (GST_BIN (pipeline), bin);
+
+      g_object_set (G_OBJECT (bin), "uri", uri, NULL);
+    }
+  else
+    {
+      pipeline = gst_parse_launch (uri, &tmp_error);
+
+      if (tmp_error)
+        {
+          if (pipeline)
+            g_object_unref (pipeline);
+
+          g_propagate_error (error, tmp_error);
+
+          return FALSE;
+        }
+
+      sink = find_cogl_gst_video_sink (pipeline);
+
+      if (sink == NULL)
+        {
+          g_set_error (error,
+                       GST_STREAM_ERROR,
+                       GST_STREAM_ERROR_FAILED,
+                       "The pipeline does not contain a CoglGstVideoSink. "
+                       "Make sure you add a 'coglsink' element somewhere in "
+                       "the pipeline");
+          g_object_unref (pipeline);
+          return FALSE;
+        }
+
+      g_object_ref (sink);
+
+      cogl_gst_video_sink_set_context (sink, ctx);
+    }
+
+  *pipeline_out = pipeline;
+  *sink_out = sink;
+
+  return TRUE;
+}
+
+int
+main (int argc,
+      char **argv)
+{
+  Data data;
+  CoglContext *ctx;
+  CoglOnscreen *onscreen;
+  GstElement *pipeline;
+  GSource *cogl_source;
+  GstBus *bus;
+  char *uri;
+  GError *error = NULL;
+
+  memset (&data, 0, sizeof (Data));
+
+  /* Set the necessary cogl elements */
+
+  ctx = cogl_context_new (NULL, NULL);
+
+  onscreen = cogl_onscreen_new (ctx, 640, 480);
+  cogl_onscreen_set_resizable (onscreen, TRUE);
+  cogl_onscreen_add_resize_callback (onscreen, _resize_callback, &data, NULL);
+  cogl_onscreen_show (onscreen);
+
+  data.fb = onscreen;
+  cogl_framebuffer_orthographic (data.fb, 0, 0, 640, 480, -1, 100);
+
+  data.border_pipeline = cogl_pipeline_new (ctx);
+  cogl_pipeline_set_color4f (data.border_pipeline, 0, 0, 0, 1);
+  /* disable blending */
+  cogl_pipeline_set_blend (data.border_pipeline,
+                           "RGBA = ADD (SRC_COLOR, 0)", NULL);
+
+  /* Intialize GStreamer */
+
+  gst_init (&argc, &argv);
+
+  /*
+     Create the cogl-gst video sink by calling the cogl_gst_video_sink_new
+     function and passing it a CoglContext (this is used to create the
+     CoglPipeline and the texures for each frame). Alternatively you can use
+     gst_element_factory_make ("coglsink", "some_name") and then set the
+     context with cogl_gst_video_sink_set_context.
+  */
+
+  if (argc < 2)
+    uri = "http://docs.gstreamer.com/media/sintel_trailer-480p.webm";
+  else
+    uri = argv[1];
+
+  if (!make_pipeline_for_uri (ctx, uri, &pipeline, &data.sink, &error))
+    {
+      g_print ("Error creating pipeline: %s\n", error->message);
+      g_clear_error (&error);
+      return EXIT_FAILURE;
+    }
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+  bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+  gst_bus_add_watch (bus, _bus_watch, &data);
+
+  data.main_loop = g_main_loop_new (NULL, FALSE);
+
+  cogl_source = cogl_glib_source_new (ctx, G_PRIORITY_DEFAULT);
+  g_source_attach (cogl_source, NULL);
+
+  /*
+    The cogl-pipeline-ready signal tells you when the cogl pipeline is
+    initialized i.e. when cogl-gst has figured out the video format and
+    is prepared to retrieve and attach the first frame of the video.
+  */
+
+  g_signal_connect (data.sink, "pipeline-ready",
+                    G_CALLBACK (_set_up_pipeline), &data);
+
+  data.draw_ready = TRUE;
+  data.frame_ready = FALSE;
+
+  g_main_loop_run (data.main_loop);
+
+  g_source_destroy (cogl_source);
+  g_source_unref (cogl_source);
+
+  g_main_loop_unref (data.main_loop);
+
+  return 0;
+}
diff --git a/examples/cogl-crate.c b/examples/cogl-crate.c
new file mode 100644
index 0000000..0836b82
--- /dev/null
+++ b/examples/cogl-crate.c
@@ -0,0 +1,302 @@
+#include 
+#include 
+
+/* The state for this example... */
+typedef struct _Data
+{
+  CoglFramebuffer *fb;
+  int framebuffer_width;
+  int framebuffer_height;
+
+  CoglMatrix view;
+
+  CoglIndices *indices;
+  CoglPrimitive *prim;
+  CoglTexture *texture;
+  CoglPipeline *crate_pipeline;
+
+  CoglPangoFontMap *pango_font_map;
+  PangoContext *pango_context;
+  PangoFontDescription *pango_font_desc;
+
+  PangoLayout *hello_label;
+  int hello_label_width;
+  int hello_label_height;
+
+  GTimer *timer;
+
+  CoglBool swap_ready;
+
+} Data;
+
+/* A static identity matrix initialized for convenience. */
+static CoglMatrix identity;
+/* static colors initialized for convenience. */
+static CoglColor white;
+
+/* A cube modelled using 4 vertices for each face.
+ *
+ * We use an index buffer when drawing the cube later so the GPU will
+ * actually read each face as 2 separate triangles.
+ */
+static CoglVertexP3T2 vertices[] =
+{
+  /* Front face */
+  { /* pos = */ -1.0f, -1.0f,  1.0f, /* tex coords = */ 0.0f, 1.0f},
+  { /* pos = */  1.0f, -1.0f,  1.0f, /* tex coords = */ 1.0f, 1.0f},
+  { /* pos = */  1.0f,  1.0f,  1.0f, /* tex coords = */ 1.0f, 0.0f},
+  { /* pos = */ -1.0f,  1.0f,  1.0f, /* tex coords = */ 0.0f, 0.0f},
+
+  /* Back face */
+  { /* pos = */ -1.0f, -1.0f, -1.0f, /* tex coords = */ 1.0f, 0.0f},
+  { /* pos = */ -1.0f,  1.0f, -1.0f, /* tex coords = */ 1.0f, 1.0f},
+  { /* pos = */  1.0f,  1.0f, -1.0f, /* tex coords = */ 0.0f, 1.0f},
+  { /* pos = */  1.0f, -1.0f, -1.0f, /* tex coords = */ 0.0f, 0.0f},
+
+  /* Top face */
+  { /* pos = */ -1.0f,  1.0f, -1.0f, /* tex coords = */ 0.0f, 1.0f},
+  { /* pos = */ -1.0f,  1.0f,  1.0f, /* tex coords = */ 0.0f, 0.0f},
+  { /* pos = */  1.0f,  1.0f,  1.0f, /* tex coords = */ 1.0f, 0.0f},
+  { /* pos = */  1.0f,  1.0f, -1.0f, /* tex coords = */ 1.0f, 1.0f},
+
+  /* Bottom face */
+  { /* pos = */ -1.0f, -1.0f, -1.0f, /* tex coords = */ 1.0f, 1.0f},
+  { /* pos = */  1.0f, -1.0f, -1.0f, /* tex coords = */ 0.0f, 1.0f},
+  { /* pos = */  1.0f, -1.0f,  1.0f, /* tex coords = */ 0.0f, 0.0f},
+  { /* pos = */ -1.0f, -1.0f,  1.0f, /* tex coords = */ 1.0f, 0.0f},
+
+  /* Right face */
+  { /* pos = */ 1.0f, -1.0f, -1.0f, /* tex coords = */ 1.0f, 0.0f},
+  { /* pos = */ 1.0f,  1.0f, -1.0f, /* tex coords = */ 1.0f, 1.0f},
+  { /* pos = */ 1.0f,  1.0f,  1.0f, /* tex coords = */ 0.0f, 1.0f},
+  { /* pos = */ 1.0f, -1.0f,  1.0f, /* tex coords = */ 0.0f, 0.0f},
+
+  /* Left face */
+  { /* pos = */ -1.0f, -1.0f, -1.0f, /* tex coords = */ 0.0f, 0.0f},
+  { /* pos = */ -1.0f, -1.0f,  1.0f, /* tex coords = */ 1.0f, 0.0f},
+  { /* pos = */ -1.0f,  1.0f,  1.0f, /* tex coords = */ 1.0f, 1.0f},
+  { /* pos = */ -1.0f,  1.0f, -1.0f, /* tex coords = */ 0.0f, 1.0f}
+};
+
+static void
+paint (Data *data)
+{
+  CoglFramebuffer *fb = data->fb;
+  float rotation;
+
+  cogl_framebuffer_clear4f (fb,
+                            COGL_BUFFER_BIT_COLOR|COGL_BUFFER_BIT_DEPTH,
+                            0, 0, 0, 1);
+
+  cogl_framebuffer_push_matrix (fb);
+
+  cogl_framebuffer_translate (fb,
+                              data->framebuffer_width / 2,
+                              data->framebuffer_height / 2,
+                              0);
+
+  cogl_framebuffer_scale (fb, 75, 75, 75);
+
+  /* Update the rotation based on the time the application has been
+     running so that we get a linear animation regardless of the frame
+     rate */
+  rotation = g_timer_elapsed (data->timer, NULL) * 60.0f;
+
+  /* Rotate the cube separately around each axis.
+   *
+   * Note: Cogl matrix manipulation follows the same rules as for
+   * OpenGL. We use column-major matrices and - if you consider the
+   * transformations happening to the model - then they are combined
+   * in reverse order which is why the rotation is done last, since
+   * we want it to be a rotation around the origin, before it is
+   * scaled and translated.
+   */
+  cogl_framebuffer_rotate (fb, rotation, 0, 0, 1);
+  cogl_framebuffer_rotate (fb, rotation, 0, 1, 0);
+  cogl_framebuffer_rotate (fb, rotation, 1, 0, 0);
+
+  cogl_primitive_draw (data->prim, fb, data->crate_pipeline);
+
+  cogl_framebuffer_pop_matrix (fb);
+
+  /* And finally render our Pango layouts... */
+
+  cogl_pango_render_layout (data->hello_label,
+                            (data->framebuffer_width / 2) -
+                            (data->hello_label_width / 2),
+                            (data->framebuffer_height / 2) -
+                            (data->hello_label_height / 2),
+                            &white, 0);
+}
+
+static void
+frame_event_cb (CoglOnscreen *onscreen,
+                CoglFrameEvent event,
+                CoglFrameInfo *info,
+                void *user_data)
+{
+  Data *data = user_data;
+
+  if (event == COGL_FRAME_EVENT_SYNC)
+    data->swap_ready = TRUE;
+}
+
+int
+main (int argc, char **argv)
+{
+  CoglContext *ctx;
+  CoglOnscreen *onscreen;
+  CoglFramebuffer *fb;
+  CoglError *error = NULL;
+  Data data;
+  PangoRectangle hello_label_size;
+  float fovy, aspect, z_near, z_2d, z_far;
+  CoglDepthState depth_state;
+
+  ctx = cogl_context_new (NULL, &error);
+  if (!ctx) {
+      fprintf (stderr, "Failed to create context: %s\n", error->message);
+      return 1;
+  }
+
+  onscreen = cogl_onscreen_new (ctx, 640, 480);
+  fb = onscreen;
+  data.fb = fb;
+  data.framebuffer_width = cogl_framebuffer_get_width (fb);
+  data.framebuffer_height = cogl_framebuffer_get_height (fb);
+
+  data.timer = g_timer_new ();
+
+  cogl_onscreen_show (onscreen);
+
+  cogl_framebuffer_set_viewport (fb, 0, 0,
+                                 data.framebuffer_width,
+                                 data.framebuffer_height);
+
+  fovy = 60; /* y-axis field of view */
+  aspect = (float)data.framebuffer_width/(float)data.framebuffer_height;
+  z_near = 0.1; /* distance to near clipping plane */
+  z_2d = 1000; /* position to 2d plane */
+  z_far = 2000; /* distance to far clipping plane */
+
+  cogl_framebuffer_perspective (fb, fovy, aspect, z_near, z_far);
+
+  /* Since the pango renderer emits geometry in pixel/device coordinates
+   * and the anti aliasing is implemented with the assumption that the
+   * geometry *really* does end up pixel aligned, we setup a modelview
+   * matrix so that for geometry in the plane z = 0 we exactly map x
+   * coordinates in the range [0,stage_width] and y coordinates in the
+   * range [0,stage_height] to the framebuffer extents with (0,0) being
+   * the top left.
+   *
+   * This is roughly what Clutter does for a ClutterStage, but this
+   * demonstrates how it is done manually using Cogl.
+   */
+  cogl_matrix_init_identity (&data.view);
+  cogl_matrix_view_2d_in_perspective (&data.view, fovy, aspect, z_near, z_2d,
+                                      data.framebuffer_width,
+                                      data.framebuffer_height);
+  cogl_framebuffer_set_modelview_matrix (fb, &data.view);
+
+  /* Initialize some convenient constants */
+  cogl_matrix_init_identity (&identity);
+  cogl_color_init_from_4ub (&white, 0xff, 0xff, 0xff, 0xff);
+
+  /* rectangle indices allow the GPU to interpret a list of quads (the
+   * faces of our cube) as a list of triangles.
+   *
+   * Since this is a very common thing to do
+   * cogl_get_rectangle_indices() is a convenience function for
+   * accessing internal index buffers that can be shared.
+   */
+  data.indices = cogl_get_rectangle_indices (ctx, 6 /* n_rectangles */);
+  data.prim = cogl_primitive_new_p3t2 (ctx, COGL_VERTICES_MODE_TRIANGLES,
+                                       G_N_ELEMENTS (vertices),
+                                       vertices);
+  /* Each face will have 6 indices so we have 6 * 6 indices in total... */
+  cogl_primitive_set_indices (data.prim,
+                              data.indices,
+                              6 * 6);
+
+  /* Load a jpeg crate texture from a file */
+  printf ("crate.jpg (CC by-nc-nd http://bit.ly/9kP45T) ShadowRunner27 http://bit.ly/m1YXLh\n");
+  data.texture =
+    cogl_texture_2d_new_from_file (ctx,
+                                   COGL_EXAMPLES_DATA "crate.jpg",
+                                   &error);
+  if (!data.texture)
+    g_error ("Failed to load texture: %s", error->message);
+
+  /* a CoglPipeline conceptually describes all the state for vertex
+   * processing, fragment processing and blending geometry. When
+   * drawing the geometry for the crate this pipeline says to sample a
+   * single texture during fragment processing... */
+  data.crate_pipeline = cogl_pipeline_new (ctx);
+  cogl_pipeline_set_layer_texture (data.crate_pipeline, 0, data.texture);
+
+  /* Since the box is made of multiple triangles that will overlap
+   * when drawn and we don't control the order they are drawn in, we
+   * enable depth testing to make sure that triangles that shouldn't
+   * be visible get culled by the GPU. */
+  cogl_depth_state_init (&depth_state);
+  cogl_depth_state_set_test_enabled (&depth_state, TRUE);
+
+  cogl_pipeline_set_depth_state (data.crate_pipeline, &depth_state, NULL);
+
+  /* Setup a Pango font map and context */
+
+  data.pango_font_map = COGL_PANGO_FONT_MAP (cogl_pango_font_map_new());
+
+  cogl_pango_font_map_set_use_mipmapping (data.pango_font_map, TRUE);
+
+  data.pango_context = cogl_pango_font_map_create_context (data.pango_font_map);
+
+  data.pango_font_desc = pango_font_description_new ();
+  pango_font_description_set_family (data.pango_font_desc, "Sans");
+  pango_font_description_set_size (data.pango_font_desc, 30 * PANGO_SCALE);
+
+  /* Setup the "Hello Cogl" text */
+
+  data.hello_label = pango_layout_new (data.pango_context);
+  pango_layout_set_font_description (data.hello_label, data.pango_font_desc);
+  pango_layout_set_text (data.hello_label, "Hello Cogl", -1);
+
+  pango_layout_get_extents (data.hello_label, NULL, &hello_label_size);
+  data.hello_label_width = PANGO_PIXELS (hello_label_size.width);
+  data.hello_label_height = PANGO_PIXELS (hello_label_size.height);
+
+  cogl_push_framebuffer (fb);
+
+  data.swap_ready = TRUE;
+
+  cogl_onscreen_add_frame_callback (COGL_ONSCREEN (fb),
+                                    frame_event_cb,
+                                    &data,
+                                    NULL); /* destroy notify */
+
+
+  while (1)
+    {
+      CoglPollFD *poll_fds;
+      int n_poll_fds;
+      int64_t timeout;
+
+      if (data.swap_ready)
+        {
+          paint (&data);
+          cogl_onscreen_swap_buffers (COGL_ONSCREEN (fb));
+        }
+
+      cogl_poll_renderer_get_info (cogl_context_get_renderer (ctx),
+                                   &poll_fds, &n_poll_fds, &timeout);
+
+      g_poll ((GPollFD *) poll_fds, n_poll_fds,
+              timeout == -1 ? -1 : timeout / 1000);
+
+      cogl_poll_renderer_dispatch (cogl_context_get_renderer (ctx),
+                                   poll_fds, n_poll_fds);
+    }
+
+  return 0;
+}
+
diff --git a/examples/cogl-emscripten-hello.c b/examples/cogl-emscripten-hello.c
new file mode 100644
index 0000000..e969e95
--- /dev/null
+++ b/examples/cogl-emscripten-hello.c
@@ -0,0 +1,149 @@
+#include 
+#include 
+#include 
+#include 
+#include "emscripten-example-js.h"
+
+/* This short example is just to demonstrate using Cogl with
+ * Emscripten using SDL to receive input events */
+
+typedef struct Data
+{
+  CoglPrimitive *triangle;
+  CoglPipeline *pipeline;
+  float center_x, center_y;
+  CoglFramebuffer *fb;
+  CoglBool redraw_queued;
+  CoglBool ready_to_draw;
+} Data;
+
+static Data data;
+static CoglContext *ctx;
+
+static void
+redraw (Data *data)
+{
+  CoglFramebuffer *fb = data->fb;
+
+  cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+  cogl_framebuffer_push_matrix (fb);
+  cogl_framebuffer_translate (fb, data->center_x, -data->center_y, 0.0f);
+
+  cogl_primitive_draw (data->triangle, fb, data->pipeline);
+  cogl_framebuffer_pop_matrix (fb);
+
+  cogl_onscreen_swap_buffers (COGL_ONSCREEN (fb));
+}
+
+static void
+handle_event (Data *data, SDL_Event *event)
+{
+  switch (event->type)
+    {
+    case SDL_MOUSEMOTION:
+      {
+        int width =
+          cogl_framebuffer_get_width (COGL_FRAMEBUFFER (data->fb));
+        int height =
+          cogl_framebuffer_get_height (COGL_FRAMEBUFFER (data->fb));
+
+        data->center_x = event->motion.x * 2.0f / width - 1.0f;
+        data->center_y = event->motion.y * 2.0f / height - 1.0f;
+
+        data->redraw_queued = TRUE;
+      }
+      break;
+    }
+}
+
+static void
+frame_cb (CoglOnscreen *onscreen,
+          CoglFrameEvent event,
+          CoglFrameInfo *info,
+          void *user_data)
+{
+  Data *data = user_data;
+
+  if (event == COGL_FRAME_EVENT_SYNC)
+    data->ready_to_draw = TRUE;
+}
+
+static void
+mainloop (void)
+{
+  SDL_Event event;
+
+  while (SDL_PollEvent (&event))
+    {
+      handle_event (&data, &event);
+      cogl_sdl_handle_event (ctx, &event);
+    }
+
+  if (data.redraw_queued && data.ready_to_draw)
+    {
+      data.redraw_queued = FALSE;
+      data.ready_to_draw = FALSE;
+      redraw (&data);
+    }
+
+  /* NB: The mainloop will be automatically resumed if user input is received */
+  if (!data.redraw_queued)
+    emscripten_pause_main_loop ();
+
+  cogl_sdl_idle (ctx);
+}
+
+int
+main (int argc, char **argv)
+{
+  CoglOnscreen *onscreen;
+  CoglError *error = NULL;
+  CoglVertexP2C4 triangle_vertices[] = {
+    {0, 0.7, 0xff, 0x00, 0x00, 0xff},
+    {-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
+    {0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
+  };
+
+  ctx = cogl_sdl_context_new (SDL_USEREVENT, &error);
+  if (!ctx)
+    {
+      fprintf (stderr, "Failed to create context: %s\n", error->message);
+      return 1;
+    }
+
+  onscreen = cogl_onscreen_new (ctx, 800, 600);
+  data.fb = COGL_FRAMEBUFFER (onscreen);
+
+  cogl_onscreen_add_frame_callback (onscreen,
+                                    frame_cb,
+                                    &data,
+                                    NULL /* destroy callback */);
+
+  data.center_x = 0.0f;
+  data.center_y = 0.0f;
+
+  cogl_onscreen_show (onscreen);
+
+  data.triangle = cogl_primitive_new_p2c4 (ctx, COGL_VERTICES_MODE_TRIANGLES,
+                                           3, triangle_vertices);
+  data.pipeline = cogl_pipeline_new (ctx);
+
+  data.redraw_queued = TRUE;
+  data.ready_to_draw = TRUE;
+
+  /* The emscripten mainloop isn't event driven, it's periodic and so
+   * we aim to pause the emscripten mainlooop whenever we don't have a
+   * redraw queued. What we do instead is hook into the real browser
+   * mainloop using this javascript binding api to add an input event
+   * listener that will resume the emscripten mainloop whenever input
+   * is received.
+   */
+  example_js_add_input_listener ();
+
+  emscripten_set_main_loop (mainloop, -1, TRUE);
+
+  cogl_object_unref (ctx);
+
+  return 0;
+}
diff --git a/examples/cogl-gjs.js b/examples/cogl-gjs.js
new file mode 100644
index 0000000..6652e16
--- /dev/null
+++ b/examples/cogl-gjs.js
@@ -0,0 +1,46 @@
+const Cogl = imports.gi.Cogl;
+const GLib = imports.gi.GLib;
+const Lang = imports.lang;
+
+let renderer = new Cogl.Renderer();
+let display = new Cogl.Display(renderer, new Cogl.OnscreenTemplate(new Cogl.SwapChain()));
+let ctx = new Cogl.Context(display);
+
+// Should be able to replace the 3 previous lines with :
+// let ctx = new Cogl.Context(null);
+// But crashing for some reason.
+
+// GLib mainloop integration
+let gsource = Cogl.glib_renderer_source_new(renderer, 0);
+let loop = GLib.MainLoop.new(null, false);
+gsource.attach(loop.get_context());
+
+// Onscreen creation
+let onscreen = new Cogl.Onscreen(ctx, 800, 600);
+onscreen.show();
+
+// Drawing pipeline
+let crate = Cogl.Texture2D.new_from_file(ctx, 'crate.jpg');
+let pipeline = new Cogl.Pipeline(ctx);
+pipeline.set_layer_texture(0, crate);
+let clearColor = new Cogl.Color();
+clearColor.init_from_4f(0, 0, 0, 1.0);
+
+// Redraw callback
+let closure = onscreen.add_dirty_callback(Lang.bind(this, function() {
+    onscreen.clear(Cogl.BufferBit.COLOR, clearColor);
+    onscreen.draw_rectangle(pipeline, -1, -1, 1, 1);
+    onscreen.swap_buffers();
+    return true;
+}), null);
+
+// Quit after 5s
+let tm = GLib.timeout_source_new(5000);
+tm.set_callback(Lang.bind(this, function() {
+    loop.quit();
+    return false;
+}), null);
+tm.attach(loop.get_context());
+
+// Run!
+loop.run();
diff --git a/examples/cogl-gles2-context.c b/examples/cogl-gles2-context.c
new file mode 100644
index 0000000..da52423
--- /dev/null
+++ b/examples/cogl-gles2-context.c
@@ -0,0 +1,138 @@
+#include 
+#include 
+#include 
+#include 
+
+#define OFFSCREEN_WIDTH 100
+#define OFFSCREEN_HEIGHT 100
+
+typedef struct _Data
+{
+    CoglContext *ctx;
+    CoglFramebuffer *fb;
+    CoglPrimitive *triangle;
+    CoglPipeline *pipeline;
+
+    CoglTexture *offscreen_texture;
+    CoglOffscreen *offscreen;
+    CoglGLES2Context *gles2_ctx;
+    const CoglGLES2Vtable *gles2_vtable;
+} Data;
+
+static gboolean
+paint_cb (void *user_data)
+{
+    Data *data = user_data;
+    CoglError *error = NULL;
+    const CoglGLES2Vtable *gles2 = data->gles2_vtable;
+
+    /* Draw scene with GLES2 */
+    if (!cogl_push_gles2_context (data->ctx,
+                                  data->gles2_ctx,
+                                  data->fb,
+                                  data->fb,
+                                  &error))
+    {
+        g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+    /* Clear offscreen framebuffer with a random color */
+    gles2->glClearColor (g_random_double (),
+                         g_random_double (),
+                         g_random_double (),
+                         1.0f);
+    gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+    cogl_pop_gles2_context (data->ctx);
+
+    /* Draw scene with Cogl */
+    cogl_primitive_draw (data->triangle, data->fb, data->pipeline);
+
+    cogl_onscreen_swap_buffers (COGL_ONSCREEN (data->fb));
+
+    return FALSE; /* remove the callback */
+}
+
+static void
+frame_event_cb (CoglOnscreen *onscreen,
+                CoglFrameEvent event,
+                CoglFrameInfo *info,
+                void *user_data)
+{
+    if (event == COGL_FRAME_EVENT_SYNC)
+        paint_cb (user_data);
+}
+
+int
+main (int argc, char **argv)
+{
+    Data data;
+    CoglOnscreen *onscreen;
+    CoglError *error = NULL;
+    CoglVertexP2C4 triangle_vertices[] = {
+        {0, 0.7, 0xff, 0x00, 0x00, 0xff},
+        {-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
+        {0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
+    };
+    GSource *cogl_source;
+    GMainLoop *loop;
+    CoglRenderer *renderer;
+    CoglDisplay *display;
+
+    renderer = cogl_renderer_new ();
+    cogl_renderer_add_constraint (renderer,
+                                  COGL_RENDERER_CONSTRAINT_SUPPORTS_COGL_GLES2);
+    display = cogl_display_new (renderer, NULL);
+    data.ctx = cogl_context_new (display, NULL);
+
+    onscreen = cogl_onscreen_new (data.ctx, 640, 480);
+    cogl_onscreen_show (onscreen);
+    data.fb = onscreen;
+
+    /* Prepare onscreen primitive */
+    data.triangle = cogl_primitive_new_p2c4 (data.ctx,
+                                             COGL_VERTICES_MODE_TRIANGLES,
+                                             3, triangle_vertices);
+    data.pipeline = cogl_pipeline_new (data.ctx);
+
+    data.offscreen_texture =
+      cogl_texture_2d_new_with_size (data.ctx,
+                                     OFFSCREEN_WIDTH,
+                                     OFFSCREEN_HEIGHT);
+    data.offscreen = cogl_offscreen_new_with_texture (data.offscreen_texture);
+
+    data.gles2_ctx = cogl_gles2_context_new (data.ctx, &error);
+    if (!data.gles2_ctx) {
+        g_error ("Failed to create GLES2 context: %s\n", error->message);
+    }
+
+    data.gles2_vtable = cogl_gles2_context_get_vtable (data.gles2_ctx);
+
+    /* Draw scene with GLES2 */
+    if (!cogl_push_gles2_context (data.ctx,
+                                  data.gles2_ctx,
+                                  data.fb,
+                                  data.fb,
+                                  &error))
+    {
+        g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+    cogl_pop_gles2_context (data.ctx);
+
+    cogl_source = cogl_glib_source_new (data.ctx, G_PRIORITY_DEFAULT);
+
+    g_source_attach (cogl_source, NULL);
+
+    cogl_onscreen_add_frame_callback (COGL_ONSCREEN (data.fb),
+                                      frame_event_cb,
+                                      &data,
+                                      NULL); /* destroy notify */
+
+    g_idle_add (paint_cb, &data);
+
+    loop = g_main_loop_new (NULL, TRUE);
+    g_main_loop_run (loop);
+
+    return 0;
+}
diff --git a/examples/cogl-gles2-gears.c b/examples/cogl-gles2-gears.c
new file mode 100644
index 0000000..048cd27
--- /dev/null
+++ b/examples/cogl-gles2-gears.c
@@ -0,0 +1,825 @@
+/*
+ * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Ported to GLES2.
+ * Kristian Høgsberg 
+ * May 3, 2010
+ *
+ * Improve GLES2 port:
+ *   * Refactor gear drawing.
+ *   * Use correct normals for surfaces.
+ *   * Improve shader.
+ *   * Use perspective projection transformation.
+ *   * Add FPS count.
+ *   * Add comments.
+ * Alexandros Frantzis 
+ * Jul 13, 2010
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#define GL_GLEXT_PROTOTYPES
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define STRIPS_PER_TOOTH 7
+#define VERTICES_PER_TOOTH 34
+#define GEAR_VERTEX_STRIDE 6
+
+typedef struct _Data
+{
+    CoglContext *ctx;
+    CoglFramebuffer *fb;
+
+    CoglGLES2Context *gles2_ctx;
+
+    GTimer *timer;
+    int frames;
+    double last_elapsed;
+} Data;
+
+
+/**
+ * Struct describing the vertices in triangle strip
+ */
+struct vertex_strip {
+    /** The first vertex in the strip */
+    GLint first;
+    /** The number of consecutive vertices in the strip after the first */
+    GLint count;
+};
+
+/* Each vertex consist of GEAR_VERTEX_STRIDE GLfloat attributes */
+typedef GLfloat GearVertex[GEAR_VERTEX_STRIDE];
+
+/**
+ * Struct representing a gear.
+ */
+struct gear {
+    /** The array of vertices comprising the gear */
+    GearVertex *vertices;
+    /** The number of vertices comprising the gear */
+    int nvertices;
+    /** The array of triangle strips comprising the gear */
+    struct vertex_strip *strips;
+    /** The number of triangle strips comprising the gear */
+    int nstrips;
+    /** The Vertex Buffer Object holding the vertices in the graphics card */
+    GLuint vbo;
+};
+
+/** The view rotation [x, y, z] */
+static GLfloat view_rot[3] = { 20.0, 30.0, 0.0 };
+/** The gears */
+static struct gear *gear1, *gear2, *gear3;
+/** The current gear rotation angle */
+static GLfloat angle = 0.0;
+/** The location of the shader uniforms */
+static GLuint ModelViewProjectionMatrix_location,
+              NormalMatrix_location,
+              LightSourcePosition_location,
+              MaterialColor_location;
+/** The projection matrix */
+static GLfloat ProjectionMatrix[16];
+/** The direction of the directional light for the scene */
+static const GLfloat LightSourcePosition[4] = { 5.0, 5.0, 10.0, 1.0};
+
+#ifndef HAVE_SINCOS
+static void
+sincos (double x, double *sinx, double *cosx)
+{
+  *sinx = sin (x);
+  *cosx = cos (x);
+}
+#endif /* HAVE_SINCOS */
+
+/**
+ * Fills a gear vertex.
+ *
+ * @param v the vertex to fill
+ * @param x the x coordinate
+ * @param y the y coordinate
+ * @param z the z coortinate
+ * @param n pointer to the normal table
+ *
+ * @return the operation error code
+ */
+static GearVertex *
+vert (GearVertex *v, GLfloat x, GLfloat y, GLfloat z, GLfloat n[3])
+{
+    v[0][0] = x;
+    v[0][1] = y;
+    v[0][2] = z;
+    v[0][3] = n[0];
+    v[0][4] = n[1];
+    v[0][5] = n[2];
+
+    return v + 1;
+}
+
+/**
+ *  Create a gear wheel.
+ *
+ *  @param inner_radius radius of hole at center
+ *  @param outer_radius radius at center of teeth
+ *  @param width width of gear
+ *  @param teeth number of teeth
+ *  @param tooth_depth depth of tooth
+ *
+ *  @return pointer to the constructed struct gear
+ */
+static struct gear *
+create_gear (GLfloat inner_radius, GLfloat outer_radius, GLfloat width,
+             GLint teeth, GLfloat tooth_depth)
+{
+    GLfloat r0, r1, r2;
+    GLfloat da;
+    GearVertex *v;
+    struct gear *gear;
+    double s[5], c[5];
+    GLfloat normal[3];
+    int cur_strip = 0;
+    int i;
+
+    /* Allocate memory for the gear */
+    gear = malloc (sizeof *gear);
+    if (gear == NULL)
+        return NULL;
+
+    /* Calculate the radii used in the gear */
+    r0 = inner_radius;
+    r1 = outer_radius - tooth_depth / 2.0;
+    r2 = outer_radius + tooth_depth / 2.0;
+
+    da = 2.0 * M_PI / teeth / 4.0;
+
+    /* Allocate memory for the triangle strip information */
+    gear->nstrips = STRIPS_PER_TOOTH * teeth;
+    gear->strips = calloc (gear->nstrips, sizeof (*gear->strips));
+
+    /* Allocate memory for the vertices */
+    gear->vertices = calloc (VERTICES_PER_TOOTH * teeth, sizeof(*gear->vertices));
+    v = gear->vertices;
+
+    for (i = 0; i < teeth; i++) {
+        /* Calculate needed sin/cos for varius angles */
+        sincos (i * 2.0 * M_PI / teeth, &s[0], &c[0]);
+        sincos (i * 2.0 * M_PI / teeth + da, &s[1], &c[1]);
+        sincos (i * 2.0 * M_PI / teeth + da * 2, &s[2], &c[2]);
+        sincos (i * 2.0 * M_PI / teeth + da * 3, &s[3], &c[3]);
+        sincos (i * 2.0 * M_PI / teeth + da * 4, &s[4], &c[4]);
+
+      /* A set of macros for making the creation of the gears easier */
+#define  GEAR_POINT(r, da) { (r) * c[(da)], (r) * s[(da)] }
+#define  SET_NORMAL(x, y, z) do { \
+    normal[0] = (x); normal[1] = (y); normal[2] = (z); \
+} while(0)
+
+#define  GEAR_VERT(v, point, sign) vert((v), p[(point)].x, p[(point)].y, (sign) * width * 0.5, normal)
+
+#define START_STRIP do { \
+    gear->strips[cur_strip].first = v - gear->vertices; \
+} while(0);
+
+#define END_STRIP do { \
+    int _tmp = (v - gear->vertices); \
+    gear->strips[cur_strip].count = _tmp - gear->strips[cur_strip].first; \
+    cur_strip++; \
+} while (0)
+
+#define QUAD_WITH_NORMAL(p1, p2) do { \
+    SET_NORMAL((p[(p1)].y - p[(p2)].y), -(p[(p1)].x - p[(p2)].x), 0); \
+    v = GEAR_VERT(v, (p1), -1); \
+    v = GEAR_VERT(v, (p1), 1); \
+    v = GEAR_VERT(v, (p2), -1); \
+    v = GEAR_VERT(v, (p2), 1); \
+} while(0)
+
+        {
+            struct point {
+                GLfloat x;
+                GLfloat y;
+            };
+
+            /* Create the 7 points (only x,y coords) used to draw a tooth */
+            struct point p[7] = {
+                GEAR_POINT (r2, 1), // 0
+                GEAR_POINT (r2, 2), // 1
+                GEAR_POINT (r1, 0), // 2
+                GEAR_POINT (r1, 3), // 3
+                GEAR_POINT (r0, 0), // 4
+                GEAR_POINT (r1, 4), // 5
+                GEAR_POINT (r0, 4), // 6
+            };
+
+            /* Front face */
+            START_STRIP;
+            SET_NORMAL (0, 0, 1.0);
+            v = GEAR_VERT (v, 0, +1);
+            v = GEAR_VERT (v, 1, +1);
+            v = GEAR_VERT (v, 2, +1);
+            v = GEAR_VERT (v, 3, +1);
+            v = GEAR_VERT (v, 4, +1);
+            v = GEAR_VERT (v, 5, +1);
+            v = GEAR_VERT (v, 6, +1);
+            END_STRIP;
+
+            /* Inner face */
+            START_STRIP;
+            QUAD_WITH_NORMAL (4, 6);
+            END_STRIP;
+
+            /* Back face */
+            START_STRIP;
+            SET_NORMAL (0, 0, -1.0);
+            v = GEAR_VERT (v, 6, -1);
+            v = GEAR_VERT (v, 5, -1);
+            v = GEAR_VERT (v, 4, -1);
+            v = GEAR_VERT (v, 3, -1);
+            v = GEAR_VERT (v, 2, -1);
+            v = GEAR_VERT (v, 1, -1);
+            v = GEAR_VERT (v, 0, -1);
+            END_STRIP;
+
+            /* Outer face */
+            START_STRIP;
+            QUAD_WITH_NORMAL (0, 2);
+            END_STRIP;
+
+            START_STRIP;
+            QUAD_WITH_NORMAL (1, 0);
+            END_STRIP;
+
+            START_STRIP;
+            QUAD_WITH_NORMAL (3, 1);
+            END_STRIP;
+
+            START_STRIP;
+            QUAD_WITH_NORMAL (5, 3);
+            END_STRIP;
+        }
+    }
+
+    gear->nvertices = (v - gear->vertices);
+
+    /* Store the vertices in a vertex buffer object (VBO) */
+    glGenBuffers (1, &gear->vbo);
+    glBindBuffer (GL_ARRAY_BUFFER, gear->vbo);
+    glBufferData (GL_ARRAY_BUFFER, gear->nvertices * sizeof(GearVertex),
+                  gear->vertices, GL_STATIC_DRAW);
+
+    return gear;
+}
+
+/**
+ * Multiplies two 4x4 matrices.
+ *
+ * The result is stored in matrix m.
+ *
+ * @param m the first matrix to multiply
+ * @param n the second matrix to multiply
+ */
+static void
+multiply (GLfloat *m, const GLfloat *n)
+{
+    GLfloat tmp[16];
+    const GLfloat *row, *column;
+    div_t d;
+    int i, j;
+
+    for (i = 0; i < 16; i++) {
+        tmp[i] = 0;
+        d = div(i, 4);
+        row = n + d.quot * 4;
+        column = m + d.rem;
+        for (j = 0; j < 4; j++)
+            tmp[i] += row[j] * column[j * 4];
+    }
+    memcpy (m, &tmp, sizeof tmp);
+}
+
+/**
+ * Rotates a 4x4 matrix.
+ *
+ * @param[in,out] m the matrix to rotate
+ * @param angle the angle to rotate
+ * @param x the x component of the direction to rotate to
+ * @param y the y component of the direction to rotate to
+ * @param z the z component of the direction to rotate to
+ */
+static void
+rotate (GLfloat *m, GLfloat angle, GLfloat x, GLfloat y, GLfloat z)
+{
+    double s, c;
+
+    sincos (angle, &s, &c);
+
+    {
+        GLfloat r[16] = {
+            x * x * (1 - c) + c,     y * x * (1 - c) + z * s, x * z * (1 - c) - y * s, 0,
+            x * y * (1 - c) - z * s, y * y * (1 - c) + c,     y * z * (1 - c) + x * s, 0,
+            x * z * (1 - c) + y * s, y * z * (1 - c) - x * s, z * z * (1 - c) + c,     0,
+            0, 0, 0, 1
+        };
+
+        multiply (m, r);
+    }
+}
+
+
+/**
+ * Translates a 4x4 matrix.
+ *
+ * @param[in,out] m the matrix to translate
+ * @param x the x component of the direction to translate to
+ * @param y the y component of the direction to translate to
+ * @param z the z component of the direction to translate to
+ */
+static void
+translate(GLfloat *m, GLfloat x, GLfloat y, GLfloat z)
+{
+    GLfloat t[16] = { 1, 0, 0, 0,  0, 1, 0, 0,  0, 0, 1, 0,  x, y, z, 1 };
+
+    multiply (m, t);
+}
+
+/**
+ * Creates an identity 4x4 matrix.
+ *
+ * @param m the matrix make an identity matrix
+ */
+static void
+identity (GLfloat *m)
+{
+    GLfloat t[16] = {
+        1.0, 0.0, 0.0, 0.0,
+        0.0, 1.0, 0.0, 0.0,
+        0.0, 0.0, 1.0, 0.0,
+        0.0, 0.0, 0.0, 1.0,
+    };
+
+    memcpy (m, t, sizeof(t));
+}
+
+/**
+ * Transposes a 4x4 matrix.
+ *
+ * @param m the matrix to transpose
+ */
+static void
+transpose (GLfloat *m)
+{
+    GLfloat t[16] = {
+        m[0], m[4], m[8],  m[12],
+        m[1], m[5], m[9],  m[13],
+        m[2], m[6], m[10], m[14],
+        m[3], m[7], m[11], m[15]};
+
+    memcpy (m, t, sizeof(t));
+}
+
+/**
+ * Inverts a 4x4 matrix.
+ *
+ * This function can currently handle only pure translation-rotation matrices.
+ * Read http://www.gamedev.net/community/forums/topic.asp?topic_id=425118
+ * for an explanation.
+ */
+static void
+invert (GLfloat *m)
+{
+    GLfloat t[16];
+    identity (t);
+
+    // Extract and invert the translation part 't'. The inverse of a
+    // translation matrix can be calculated by negating the translation
+    // coordinates.
+    t[12] = -m[12]; t[13] = -m[13]; t[14] = -m[14];
+
+    // Invert the rotation part 'r'. The inverse of a rotation matrix is
+    // equal to its transpose.
+    m[12] = m[13] = m[14] = 0;
+    transpose (m);
+
+    // inv (m) = inv (r) * inv (t)
+    multiply (m, t);
+}
+
+/**
+ * Calculate a perspective projection transformation.
+ *
+ * @param m the matrix to save the transformation in
+ * @param fovy the field of view in the y direction
+ * @param aspect the view aspect ratio
+ * @param zNear the near clipping plane
+ * @param zFar the far clipping plane
+ */
+static void
+perspective (GLfloat *m, GLfloat fovy, GLfloat aspect, GLfloat zNear, GLfloat zFar)
+{
+    GLfloat tmp[16];
+    double sine, cosine, cotangent, deltaZ;
+    GLfloat radians = fovy / 2 * M_PI / 180;
+
+    identity (tmp);
+
+    deltaZ = zFar - zNear;
+    sincos (radians, &sine, &cosine);
+
+    if ((deltaZ == 0) || (sine == 0) || (aspect == 0))
+      return;
+
+    cotangent = cosine / sine;
+
+    tmp[0] = cotangent / aspect;
+    tmp[5] = cotangent;
+    tmp[10] = -(zFar + zNear) / deltaZ;
+    tmp[11] = -1;
+    tmp[14] = -2 * zNear * zFar / deltaZ;
+    tmp[15] = 0;
+
+    memcpy (m, tmp, sizeof(tmp));
+}
+
+/**
+ * Draws a gear.
+ *
+ * @param gear the gear to draw
+ * @param transform the current transformation matrix
+ * @param x the x position to draw the gear at
+ * @param y the y position to draw the gear at
+ * @param angle the rotation angle of the gear
+ * @param color the color of the gear
+ */
+static void
+draw_gear (struct gear *gear, GLfloat *transform,
+           GLfloat x, GLfloat y, GLfloat angle, const GLfloat color[4])
+{
+    GLfloat model_view[16];
+    GLfloat normal_matrix[16];
+    GLfloat model_view_projection[16];
+    int n;
+
+    /* Translate and rotate the gear */
+    memcpy(model_view, transform, sizeof (model_view));
+    translate(model_view, x, y, 0);
+    rotate(model_view, 2 * M_PI * angle / 360.0, 0, 0, 1);
+
+    /* Create and set the ModelViewProjectionMatrix */
+    memcpy (model_view_projection,
+            ProjectionMatrix,
+            sizeof(model_view_projection));
+    multiply (model_view_projection, model_view);
+
+    glUniformMatrix4fv (ModelViewProjectionMatrix_location, 1, GL_FALSE,
+                        model_view_projection);
+
+    /*
+     * Create and set the NormalMatrix. It's the inverse transpose of the
+     * ModelView matrix.
+     */
+    memcpy (normal_matrix, model_view, sizeof (normal_matrix));
+    invert (normal_matrix);
+    transpose (normal_matrix);
+    glUniformMatrix4fv (NormalMatrix_location, 1, GL_FALSE, normal_matrix);
+
+    /* Set the gear color */
+    glUniform4fv (MaterialColor_location, 1, color);
+
+    /* Set the vertex buffer object to use */
+    glBindBuffer (GL_ARRAY_BUFFER, gear->vbo);
+
+    /* Set up the position of the attributes in the vertex buffer object */
+    glVertexAttribPointer (0, 3, GL_FLOAT, GL_FALSE,
+                           6 * sizeof(GLfloat), NULL);
+    glVertexAttribPointer (1, 3, GL_FLOAT, GL_FALSE,
+                           6 * sizeof(GLfloat), (GLfloat *) 0 + 3);
+
+    /* Enable the attributes */
+    glEnableVertexAttribArray (0);
+    glEnableVertexAttribArray (1);
+
+    /* Draw the triangle strips that comprise the gear */
+    for (n = 0; n < gear->nstrips; n++)
+        glDrawArrays (GL_TRIANGLE_STRIP,
+                      gear->strips[n].first,
+                      gear->strips[n].count);
+
+    /* Disable the attributes */
+    glDisableVertexAttribArray (1);
+    glDisableVertexAttribArray (0);
+}
+
+/**
+ * Draws the gears.
+ */
+static void
+gears_draw(void)
+{
+    const static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 };
+    const static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 };
+    const static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 };
+    GLfloat transform[16];
+    identity(transform);
+
+    glClearColor (0.0, 0.0, 0.0, 0.0);
+    glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+    /* Translate and rotate the view */
+    translate (transform, 0, 0, -20);
+    rotate (transform, 2 * M_PI * view_rot[0] / 360.0, 1, 0, 0);
+    rotate (transform, 2 * M_PI * view_rot[1] / 360.0, 0, 1, 0);
+    rotate (transform, 2 * M_PI * view_rot[2] / 360.0, 0, 0, 1);
+
+    /* Draw the gears */
+    draw_gear (gear1, transform, -3.0, -2.0, angle, red);
+    draw_gear (gear2, transform, 3.1, -2.0, -2 * angle - 9.0, green);
+    draw_gear (gear3, transform, -3.1, 4.2, -2 * angle - 25.0, blue);
+}
+
+static gboolean
+paint_cb (void *user_data)
+{
+    Data *data = user_data;
+    double elapsed = g_timer_elapsed (data->timer, NULL);
+    double dt = elapsed - data->last_elapsed;
+    CoglError *error = NULL;
+
+    /* Draw scene with GLES2 */
+    if (!cogl_push_gles2_context (data->ctx,
+                                  data->gles2_ctx,
+                                  data->fb,
+                                  data->fb,
+                                  &error))
+    {
+        g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+    gears_draw ();
+
+    cogl_pop_gles2_context (data->ctx);
+
+    cogl_onscreen_swap_buffers (COGL_ONSCREEN (data->fb));
+
+    /* advance rotation for next frame */
+    angle += 70.0 * dt;  /* 70 degrees per second */
+    if (angle > 3600.0)
+        angle -= 3600.0;
+
+    data->frames++;
+
+    if (elapsed > 5.0) {
+        GLfloat fps = data->frames / elapsed;
+        printf ("%d frames in %3.1f seconds = %6.3f FPS\n",
+                data->frames, elapsed, fps);
+        g_timer_reset (data->timer);
+        data->last_elapsed = 0;
+        data->frames = 0;
+    }else
+      data->last_elapsed = elapsed;
+
+    return FALSE; /* remove the callback */
+}
+
+static void
+frame_event_cb (CoglOnscreen *onscreen,
+                CoglFrameEvent event,
+                CoglFrameInfo *info,
+                void *user_data)
+{
+    if (event == COGL_FRAME_EVENT_SYNC)
+        paint_cb (user_data);
+}
+
+/**
+ * Handles a new window size or exposure.
+ *
+ * @param width the window width
+ * @param height the window height
+ */
+static void
+gears_reshape (int width, int height)
+{
+    /* Update the projection matrix */
+    perspective (ProjectionMatrix, 60.0, width / (float)height, 1.0, 1024.0);
+
+    /* Set the viewport */
+    glViewport (0, 0, (GLint) width, (GLint) height);
+}
+
+#if 0
+/**
+ * Handles special eglut events.
+ *
+ * @param special the event to handle.
+ */
+static void
+gears_special(int special)
+{
+    switch (special) {
+      case EGLUT_KEY_LEFT:
+        view_rot[1] += 5.0;
+        break;
+      case EGLUT_KEY_RIGHT:
+        view_rot[1] -= 5.0;
+        break;
+      case EGLUT_KEY_UP:
+        view_rot[0] += 5.0;
+        break;
+      case EGLUT_KEY_DOWN:
+        view_rot[0] -= 5.0;
+        break;
+    }
+}
+#endif
+
+static const char vertex_shader[] =
+    "attribute vec3 position;\n"
+    "attribute vec3 normal;\n"
+    "\n"
+    "uniform mat4 ModelViewProjectionMatrix;\n"
+    "uniform mat4 NormalMatrix;\n"
+    "uniform vec4 LightSourcePosition;\n"
+    "uniform vec4 MaterialColor;\n"
+    "\n"
+    "varying vec4 Color;\n"
+    "\n"
+    "void main(void)\n"
+    "{\n"
+    "    // Transform the normal to eye coordinates\n"
+    "    vec3 N = normalize(vec3(NormalMatrix * vec4(normal, 1.0)));\n"
+    "\n"
+    "    // The LightSourcePosition is actually its direction for directional light\n"
+    "    vec3 L = normalize(LightSourcePosition.xyz);\n"
+    "\n"
+    "    // Multiply the diffuse value by the vertex color (which is fixed in this case)\n"
+    "    // to get the actual color that we will use to draw this vertex with\n"
+    "    float diffuse = max(dot(N, L), 0.0);\n"
+    "    Color = diffuse * MaterialColor;\n"
+    "\n"
+    "    // Transform the position to clip coordinates\n"
+    "    gl_Position = ModelViewProjectionMatrix * vec4(position, 1.0);\n"
+    "}";
+
+static const char fragment_shader[] =
+    "precision mediump float;\n"
+    "varying vec4 Color;\n"
+    "\n"
+    "void main(void)\n"
+    "{\n"
+    "    gl_FragColor = Color;\n"
+    "}";
+
+static void
+gears_init(void)
+{
+    GLuint v, f, program;
+    const char *p;
+    char msg[512];
+
+    glEnable (GL_CULL_FACE);
+    glEnable (GL_DEPTH_TEST);
+
+    /* Compile the vertex shader */
+    p = vertex_shader;
+    v = glCreateShader (GL_VERTEX_SHADER);
+    glShaderSource (v, 1, &p, NULL);
+    glCompileShader (v);
+    glGetShaderInfoLog (v, sizeof msg, NULL, msg);
+    printf ("vertex shader info: %s\n", msg);
+
+    /* Compile the fragment shader */
+    p = fragment_shader;
+    f = glCreateShader (GL_FRAGMENT_SHADER);
+    glShaderSource (f, 1, &p, NULL);
+    glCompileShader (f);
+    glGetShaderInfoLog (f, sizeof msg, NULL, msg);
+    printf ("fragment shader info: %s\n", msg);
+
+    /* Create and link the shader program */
+    program = glCreateProgram ();
+    glAttachShader (program, v);
+    glAttachShader (program, f);
+    glBindAttribLocation (program, 0, "position");
+    glBindAttribLocation (program, 1, "normal");
+
+    glLinkProgram (program);
+    glGetProgramInfoLog (program, sizeof msg, NULL, msg);
+    printf ("info: %s\n", msg);
+
+    /* Enable the shaders */
+    glUseProgram (program);
+
+    /* Get the locations of the uniforms so we can access them */
+    ModelViewProjectionMatrix_location =
+      glGetUniformLocation (program, "ModelViewProjectionMatrix");
+    NormalMatrix_location =
+      glGetUniformLocation (program, "NormalMatrix");
+    LightSourcePosition_location =
+      glGetUniformLocation (program, "LightSourcePosition");
+    MaterialColor_location =
+      glGetUniformLocation (program, "MaterialColor");
+
+    /* Set the LightSourcePosition uniform which is constant throughout
+     * the program */
+    glUniform4fv (LightSourcePosition_location, 1, LightSourcePosition);
+
+    /* make the gears */
+    gear1 = create_gear (1.0, 4.0, 1.0, 20, 0.7);
+    gear2 = create_gear (0.5, 2.0, 2.0, 10, 0.7);
+    gear3 = create_gear (1.3, 2.0, 0.5, 10, 0.7);
+}
+
+int
+main (int argc, char **argv)
+{
+    Data data;
+    CoglOnscreen *onscreen;
+    CoglError *error = NULL;
+    GSource *cogl_source;
+    GMainLoop *loop;
+    CoglRenderer *renderer;
+    CoglDisplay *display;
+
+    renderer = cogl_renderer_new ();
+    cogl_renderer_add_constraint (renderer,
+                                  COGL_RENDERER_CONSTRAINT_SUPPORTS_COGL_GLES2);
+    display = cogl_display_new (renderer, NULL);
+    data.ctx = cogl_context_new (display, NULL);
+
+    onscreen = cogl_onscreen_new (data.ctx, 300, 300);
+    cogl_onscreen_show (onscreen);
+    data.fb = onscreen;
+
+    data.gles2_ctx = cogl_gles2_context_new (data.ctx, &error);
+    if (!data.gles2_ctx)
+        g_error ("Failed to create GLES2 context: %s\n", error->message);
+
+    /* Draw scene with GLES2 */
+    if (!cogl_push_gles2_context (data.ctx,
+                                  data.gles2_ctx,
+                                  data.fb,
+                                  data.fb,
+                                  &error))
+    {
+        g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+    gears_reshape (cogl_framebuffer_get_width (data.fb),
+                   cogl_framebuffer_get_height (data.fb));
+
+    /* Initialize the gears */
+    gears_init();
+
+    cogl_pop_gles2_context (data.ctx);
+
+    cogl_source = cogl_glib_source_new (data.ctx, G_PRIORITY_DEFAULT);
+
+    g_source_attach (cogl_source, NULL);
+
+    cogl_onscreen_add_frame_callback (COGL_ONSCREEN (data.fb),
+                                      frame_event_cb,
+                                      &data,
+                                      NULL); /* destroy notify */
+
+    g_idle_add (paint_cb, &data);
+
+    data.timer = g_timer_new ();
+    data.frames = 0;
+    data.last_elapsed = 0;
+
+    loop = g_main_loop_new (NULL, TRUE);
+    g_main_loop_run (loop);
+
+    return 0;
+}
diff --git a/examples/cogl-hello.c b/examples/cogl-hello.c
new file mode 100644
index 0000000..1387ab8
--- /dev/null
+++ b/examples/cogl-hello.c
@@ -0,0 +1,123 @@
+#include 
+#include 
+#include 
+
+typedef struct _Data
+{
+    CoglContext *ctx;
+    CoglFramebuffer *fb;
+    CoglPrimitive *triangle;
+    CoglPipeline *pipeline;
+
+    unsigned int redraw_idle;
+    CoglBool is_dirty;
+    CoglBool draw_ready;
+} Data;
+
+static gboolean
+paint_cb (void *user_data)
+{
+    Data *data = user_data;
+
+    data->redraw_idle = 0;
+    data->is_dirty = FALSE;
+    data->draw_ready = FALSE;
+
+    cogl_framebuffer_clear4f (data->fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+    cogl_primitive_draw (data->triangle,
+                         data->fb,
+                         data->pipeline);
+    cogl_onscreen_swap_buffers (data->fb);
+
+    return G_SOURCE_REMOVE;
+}
+
+static void
+maybe_redraw (Data *data)
+{
+    if (data->is_dirty && data->draw_ready && data->redraw_idle == 0) {
+        /* We'll draw on idle instead of drawing immediately so that
+         * if Cogl reports multiple dirty rectangles we won't
+         * redundantly draw multiple frames */
+        data->redraw_idle = g_idle_add (paint_cb, data);
+    }
+}
+
+static void
+frame_event_cb (CoglOnscreen *onscreen,
+                CoglFrameEvent event,
+                CoglFrameInfo *info,
+                void *user_data)
+{
+    Data *data = user_data;
+
+    if (event == COGL_FRAME_EVENT_SYNC) {
+        data->draw_ready = TRUE;
+        maybe_redraw (data);
+    }
+}
+
+static void
+dirty_cb (CoglOnscreen *onscreen,
+          const CoglOnscreenDirtyInfo *info,
+          void *user_data)
+{
+    Data *data = user_data;
+
+    data->is_dirty = TRUE;
+    maybe_redraw (data);
+}
+
+int
+main (int argc, char **argv)
+{
+    Data data;
+    CoglOnscreen *onscreen;
+    CoglError *error = NULL;
+    CoglVertexP2C4 triangle_vertices[] = {
+        {0, 0.7, 0xff, 0x00, 0x00, 0xff},
+        {-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
+        {0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
+    };
+    GSource *cogl_source;
+    GMainLoop *loop;
+
+    data.redraw_idle = 0;
+    data.is_dirty = FALSE;
+    data.draw_ready = TRUE;
+
+    data.ctx = cogl_context_new (NULL, &error);
+    if (!data.ctx) {
+        fprintf (stderr, "Failed to create context: %s\n", error->message);
+        return 1;
+    }
+
+    onscreen = cogl_onscreen_new (data.ctx, 640, 480);
+    cogl_onscreen_show (onscreen);
+    data.fb = onscreen;
+
+    cogl_onscreen_set_resizable (onscreen, TRUE);
+
+    data.triangle = cogl_primitive_new_p2c4 (data.ctx,
+                                             COGL_VERTICES_MODE_TRIANGLES,
+                                             3, triangle_vertices);
+    data.pipeline = cogl_pipeline_new (data.ctx);
+
+    cogl_source = cogl_glib_source_new (data.ctx, G_PRIORITY_DEFAULT);
+
+    g_source_attach (cogl_source, NULL);
+
+    cogl_onscreen_add_frame_callback (data.fb,
+                                      frame_event_cb,
+                                      &data,
+                                      NULL); /* destroy notify */
+    cogl_onscreen_add_dirty_callback (data.fb,
+                                      dirty_cb,
+                                      &data,
+                                      NULL); /* destroy notify */
+
+    loop = g_main_loop_new (NULL, TRUE);
+    g_main_loop_run (loop);
+
+    return 0;
+}
diff --git a/examples/cogl-info.c b/examples/cogl-info.c
new file mode 100644
index 0000000..0eb711e
--- /dev/null
+++ b/examples/cogl-info.c
@@ -0,0 +1,262 @@
+#include 
+#include 
+#include 
+
+struct {
+  CoglFeatureID feature;
+  const char *short_description;
+  const char *long_description;
+} features[] =
+{
+  {
+    COGL_FEATURE_ID_TEXTURE_NPOT_BASIC,
+    "Non power of two textures (basic)",
+    "The hardware supports non power of two textures, but you also "
+    "need to check the COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP and "
+    "COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT features to know if the "
+    "hardware supports npot texture mipmaps or repeat modes other "
+    "than COGL_RENDERER_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE respectively."
+  },
+  {
+    COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP,
+    "Non power of two textures (+ mipmap)",
+    "Mipmapping is supported in conjuntion with non power of two "
+    "textures."
+  },
+  {
+    COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT,
+    "Non power of two textures (+ repeat modes)",
+    "Repeat modes other than "
+    "COGL_RENDERER_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE are supported by "
+    "the hardware in conjunction with non power of two textures."
+  },
+  {
+    COGL_FEATURE_ID_TEXTURE_NPOT,
+    "Non power of two textures (fully featured)",
+    "Non power of two textures are supported by the hardware. This "
+    "is a equivalent to the COGL_FEATURE_ID_TEXTURE_NPOT_BASIC, "
+    "COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP and "
+    "COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT features combined."
+  },
+  {
+    COGL_FEATURE_ID_TEXTURE_RECTANGLE,
+    "Unnormalized coordinate, rectangle textures",
+    "Support for rectangular textures with non-normalized texture "
+    "coordinates."
+  },
+  {
+    COGL_FEATURE_ID_TEXTURE_3D,
+    "3D texture support",
+    "3D texture support"
+  },
+  {
+    COGL_FEATURE_ID_OFFSCREEN,
+    "Offscreen rendering support",
+    "Offscreen rendering support"
+  },
+  {
+    COGL_FEATURE_ID_OFFSCREEN_MULTISAMPLE,
+    "Offscreen rendering with multisampling support",
+    "Offscreen rendering with multisampling support"
+  },
+  {
+    COGL_FEATURE_ID_ONSCREEN_MULTIPLE,
+    "Multiple onscreen framebuffers supported",
+    "Multiple onscreen framebuffers supported"
+  },
+  {
+    COGL_FEATURE_ID_GLSL,
+    "GLSL support",
+    "GLSL support"
+  },
+  {
+    COGL_FEATURE_ID_ARBFP,
+    "ARBFP support",
+    "ARBFP support"
+  },
+  {
+    COGL_FEATURE_ID_UNSIGNED_INT_INDICES,
+    "Unsigned integer indices",
+    "COGL_RENDERER_INDICES_TYPE_UNSIGNED_INT is supported in cogl_indices_new()."
+  },
+  {
+    COGL_FEATURE_ID_DEPTH_RANGE,
+    "cogl_pipeline_set_depth_range() support",
+    "cogl_pipeline_set_depth_range() support",
+  },
+  {
+    COGL_FEATURE_ID_POINT_SPRITE,
+    "Point sprite coordinates",
+    "cogl_pipeline_set_layer_point_sprite_coords_enabled() is supported"
+  },
+  {
+    COGL_FEATURE_ID_MAP_BUFFER_FOR_READ,
+    "Mapping buffers for reading",
+    "Mapping buffers for reading"
+  },
+  {
+    COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE,
+    "Mapping buffers for writing",
+    "Mapping buffers for writing"
+  },
+  {
+    COGL_FEATURE_ID_MIRRORED_REPEAT,
+    "Mirrored repeat wrap modes",
+    "Mirrored repeat wrap modes"
+  },
+  {
+    COGL_FEATURE_ID_GLES2_CONTEXT,
+    "GLES2 API integration supported",
+    "Support for creating a GLES2 context for using the GLES2 API in a "
+      "way that's integrated with Cogl."
+  },
+  {
+    COGL_FEATURE_ID_DEPTH_TEXTURE,
+    "Depth Textures",
+    "CoglFramebuffers can be configured to render their depth buffer into "
+    "a texture"
+  },
+  {
+    COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE,
+    "Per-vertex point size",
+    "cogl_point_size_in can be used as an attribute to specify a per-vertex "
+    "point size"
+  }
+};
+
+static const char *
+get_winsys_name_for_id (CoglWinsysID winsys_id)
+{
+  switch (winsys_id)
+    {
+    case COGL_WINSYS_ID_ANY:
+      g_return_val_if_reached ("ERROR");
+    case COGL_WINSYS_ID_STUB:
+      return "Stub";
+    case COGL_WINSYS_ID_GLX:
+      return "GLX";
+    case COGL_WINSYS_ID_EGL_XLIB:
+      return "EGL + Xlib platform";
+    case COGL_WINSYS_ID_EGL_NULL:
+      return "EGL + NULL window system platform";
+    case COGL_WINSYS_ID_EGL_GDL:
+      return "EGL + GDL platform";
+    case COGL_WINSYS_ID_EGL_WAYLAND:
+      return "EGL + Wayland platform";
+    case COGL_WINSYS_ID_EGL_KMS:
+      return "EGL + KMS platform";
+    case COGL_WINSYS_ID_EGL_ANDROID:
+      return "EGL + Android platform";
+    case COGL_WINSYS_ID_WGL:
+      return "EGL + Windows WGL platform";
+    case COGL_WINSYS_ID_SDL:
+      return "EGL + SDL platform";
+    }
+  g_return_val_if_reached ("Unknown");
+}
+
+static void
+feature_cb (CoglFeatureID feature, void *user_data)
+{
+  int i;
+  for (i = 0; i < sizeof(features) / sizeof(features[0]); i++)
+    {
+      if (features[i].feature == feature)
+        {
+          printf (" » %s\n", features[i].short_description);
+          return;
+        }
+    }
+  printf (" » Unknown feature %d\n", feature);
+}
+
+typedef struct _OutputState
+{
+  int id;
+} OutputState;
+
+static void
+output_cb (CoglOutput *output, void *user_data)
+{
+  OutputState *state = user_data;
+  const char *order;
+  float refresh;
+
+  printf (" Output%d:\n", state->id++);
+  printf ("  » position = (%d, %d)\n",
+          cogl_output_get_x (output),
+          cogl_output_get_y (output));
+  printf ("  » resolution = %d x %d\n",
+          cogl_output_get_width (output),
+          cogl_output_get_height (output));
+  printf ("  » physical size = %dmm x %dmm\n",
+          cogl_output_get_mm_width (output),
+          cogl_output_get_mm_height (output));
+  switch (cogl_output_get_subpixel_order (output))
+    {
+    case COGL_SUBPIXEL_ORDER_UNKNOWN:
+      order = "unknown";
+      break;
+    case COGL_SUBPIXEL_ORDER_NONE:
+      order = "non-standard";
+      break;
+    case COGL_SUBPIXEL_ORDER_HORIZONTAL_RGB:
+      order = "horizontal,rgb";
+      break;
+    case COGL_SUBPIXEL_ORDER_HORIZONTAL_BGR:
+      order = "horizontal,bgr";
+      break;
+    case COGL_SUBPIXEL_ORDER_VERTICAL_RGB:
+      order = "vertical,rgb";
+      break;
+    case COGL_SUBPIXEL_ORDER_VERTICAL_BGR:
+      order = "vertical,bgr";
+      break;
+    }
+  printf ("  » sub pixel order = %s\n", order);
+
+  refresh = cogl_output_get_refresh_rate (output);
+  if (refresh)
+    printf ("  » refresh = %f Hz\n", refresh);
+  else
+    printf ("  » refresh = unknown\n");
+}
+
+int
+main (int argc, char **argv)
+{
+  CoglRenderer *renderer;
+  CoglDisplay *display;
+  CoglContext *ctx;
+  CoglError *error = NULL;
+  CoglWinsysID winsys_id;
+  const char *winsys_name;
+  OutputState output_state;
+
+#ifdef COGL_HAS_EMSCRIPTEN_SUPPORT
+  ctx = cogl_sdl_context_new (SDL_USEREVENT, &error);
+#else
+  ctx = cogl_context_new (NULL, &error);
+#endif
+  if (!ctx) {
+      fprintf (stderr, "Failed to create context: %s\n", error->message);
+      return 1;
+  }
+
+  display = cogl_context_get_display (ctx);
+  renderer = cogl_display_get_renderer (display);
+  winsys_id = cogl_renderer_get_winsys_id (renderer);
+  winsys_name = get_winsys_name_for_id (winsys_id);
+  g_print ("Renderer: %s\n\n", winsys_name);
+
+  g_print ("Features:\n");
+  cogl_foreach_feature (ctx, feature_cb, NULL);
+
+  g_print ("Outputs:\n");
+  output_state.id = 0;
+  cogl_renderer_foreach_output (renderer, output_cb, &output_state);
+  if (output_state.id == 0)
+    printf (" Unknown\n");
+
+  return 0;
+}
diff --git a/examples/cogl-msaa.c b/examples/cogl-msaa.c
new file mode 100644
index 0000000..b5f6665
--- /dev/null
+++ b/examples/cogl-msaa.c
@@ -0,0 +1,114 @@
+#include 
+#include 
+#include 
+
+int
+main (int argc, char **argv)
+{
+    CoglOnscreenTemplate *onscreen_template;
+    CoglDisplay *display;
+    CoglContext *ctx;
+    CoglOnscreen *onscreen;
+    CoglFramebuffer *fb;
+    CoglError *error = NULL;
+    CoglVertexP2C4 triangle_vertices[] = {
+        {0, 0.7, 0xff, 0x00, 0x00, 0xff},
+        {-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
+        {0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
+    };
+    CoglPrimitive *triangle;
+    CoglTexture *tex;
+    CoglOffscreen *offscreen;
+    CoglFramebuffer *offscreen_fb;
+    CoglPipeline *pipeline;
+
+    onscreen_template = cogl_onscreen_template_new (NULL);
+    cogl_onscreen_template_set_samples_per_pixel (onscreen_template, 4);
+    display = cogl_display_new (NULL, onscreen_template);
+
+    if (!cogl_display_setup (display, &error))
+      {
+        fprintf (stderr, "Platform doesn't support onscreen 4x msaa rendering: %s\n",
+                 error->message);
+        return 1;
+      }
+
+    ctx = cogl_context_new (display, &error);
+    if (!ctx)
+      {
+        fprintf (stderr, "Failed to create context: %s\n", error->message);
+        return 1;
+      }
+
+    onscreen = cogl_onscreen_new (ctx, 640, 480);
+    fb = onscreen;
+
+    cogl_framebuffer_set_samples_per_pixel (fb, 4);
+
+    if (!cogl_framebuffer_allocate (fb, &error))
+      {
+        fprintf (stderr, "Failed to allocate 4x msaa offscreen framebuffer, "
+                 "disabling msaa for onscreen rendering: %s\n", error->message);
+        cogl_error_free (error);
+        cogl_framebuffer_set_samples_per_pixel (fb, 0);
+
+        error = NULL;
+        if (!cogl_framebuffer_allocate (fb, &error))
+          {
+            fprintf (stderr, "Failed to allocate framebuffer: %s\n", error->message);
+            return 1;
+          }
+      }
+
+    cogl_onscreen_show (onscreen);
+
+    tex = cogl_texture_2d_new_with_size (ctx, 320, 480);
+    offscreen = cogl_offscreen_new_with_texture (tex);
+    offscreen_fb = offscreen;
+    cogl_framebuffer_set_samples_per_pixel (offscreen_fb, 4);
+    if (!cogl_framebuffer_allocate (offscreen_fb, &error))
+      {
+        cogl_error_free (error);
+        error = NULL;
+        fprintf (stderr, "Failed to allocate 4x msaa offscreen framebuffer, "
+                 "disabling msaa for offscreen rendering");
+        cogl_framebuffer_set_samples_per_pixel (offscreen_fb, 0);
+      }
+
+    triangle = cogl_primitive_new_p2c4 (ctx, COGL_VERTICES_MODE_TRIANGLES,
+                                        3, triangle_vertices);
+    pipeline = cogl_pipeline_new (ctx);
+
+    for (;;) {
+        CoglPollFD *poll_fds;
+        int n_poll_fds;
+        int64_t timeout;
+        CoglPipeline *texture_pipeline;
+
+        cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+        cogl_framebuffer_push_matrix (fb);
+        cogl_framebuffer_scale (fb, 0.5, 1, 1);
+        cogl_framebuffer_translate (fb, -1, 0, 0);
+        cogl_primitive_draw (triangle, fb, pipeline);
+        cogl_framebuffer_pop_matrix (fb);
+
+        cogl_primitive_draw (triangle, fb, pipeline);
+        cogl_framebuffer_resolve_samples (offscreen_fb);
+
+        texture_pipeline = cogl_pipeline_new (ctx);
+        cogl_pipeline_set_layer_texture (texture_pipeline, 0, tex);
+        cogl_framebuffer_draw_rectangle (fb, texture_pipeline, 0, 1, 1, -1);
+        cogl_object_unref (texture_pipeline);
+
+        cogl_onscreen_swap_buffers (onscreen);
+
+        cogl_poll_renderer_get_info (cogl_context_get_renderer (ctx),
+                                     &poll_fds, &n_poll_fds, &timeout);
+        g_poll ((GPollFD *) poll_fds, n_poll_fds, 0);
+        cogl_poll_renderer_dispatch (cogl_context_get_renderer (ctx),
+                                     poll_fds, n_poll_fds);
+    }
+
+    return 0;
+}
diff --git a/examples/cogl-point-sprites.c b/examples/cogl-point-sprites.c
new file mode 100644
index 0000000..860d8fe
--- /dev/null
+++ b/examples/cogl-point-sprites.c
@@ -0,0 +1,323 @@
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define N_FIREWORKS 32
+/* Units per second per second */
+#define GRAVITY -1.5f
+
+#define N_SPARKS (N_FIREWORKS * 32) /* Must be a power of two */
+#define TIME_PER_SPARK 0.01f /* in seconds */
+
+#define TEXTURE_SIZE 32
+
+typedef struct
+{
+  uint8_t red, green, blue, alpha;
+} Color;
+
+typedef struct
+{
+  float size;
+  float x, y;
+  float start_x, start_y;
+  Color color;
+
+  /* Velocities are in units per second */
+  float initial_x_velocity;
+  float initial_y_velocity;
+
+  GTimer *timer;
+} Firework;
+
+typedef struct
+{
+  float x, y;
+  Color color;
+  Color base_color;
+} Spark;
+
+typedef struct
+{
+  Firework fireworks[N_FIREWORKS];
+
+  int next_spark_num;
+  Spark sparks[N_SPARKS];
+  GTimer *last_spark_time;
+
+  CoglContext *context;
+  CoglFramebuffer *fb;
+  CoglPipeline *pipeline;
+  CoglPrimitive *primitive;
+  CoglAttributeBuffer *attribute_buffer;
+} Data;
+
+static CoglTexture *
+generate_round_texture (CoglContext *context)
+{
+  uint8_t *p, *data;
+  int x, y;
+  CoglTexture2D *tex;
+
+  p = data = g_malloc (TEXTURE_SIZE * TEXTURE_SIZE * 4);
+
+  /* Generate a white circle which gets transparent towards the edges */
+  for (y = 0; y < TEXTURE_SIZE; y++)
+    for (x = 0; x < TEXTURE_SIZE; x++)
+      {
+        int dx = x - TEXTURE_SIZE / 2;
+        int dy = y - TEXTURE_SIZE / 2;
+        float value = sqrtf (dx * dx + dy * dy) * 255.0 / (TEXTURE_SIZE / 2);
+        if (value > 255.0f)
+          value = 255.0f;
+        value = 255.0f - value;
+        *(p++) = value;
+        *(p++) = value;
+        *(p++) = value;
+        *(p++) = value;
+      }
+
+  tex = cogl_texture_2d_new_from_data (context,
+                                       TEXTURE_SIZE, TEXTURE_SIZE,
+                                       COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                       TEXTURE_SIZE * 4,
+                                       data,
+                                       NULL /* error */);
+
+  g_free (data);
+
+  return tex;
+}
+
+static void
+paint (Data *data)
+{
+  int i;
+  float diff_time;
+
+  /* Update all of the firework's positions */
+  for (i = 0; i < N_FIREWORKS; i++)
+    {
+      Firework *firework = data->fireworks + i;
+
+      if ((fabsf (firework->x - firework->start_x) > 2.0f) ||
+          firework->y < -1.0f)
+        {
+          firework->size = g_random_double_range (0.001f, 0.1f);
+          firework->start_x = 1.0f + firework->size;
+          firework->start_y = -1.0f;
+          firework->initial_x_velocity = g_random_double_range (-0.1f, -2.0f);
+          firework->initial_y_velocity = g_random_double_range (0.1f, 4.0f);
+          g_timer_reset (firework->timer);
+
+          /* Pick a random color out of six */
+          if (g_random_boolean ())
+            {
+              memset (&firework->color, 0, sizeof (Color));
+              ((uint8_t *) &firework->color)[g_random_int_range (0, 3)] = 255;
+            }
+          else
+            {
+              memset (&firework->color, 255, sizeof (Color));
+              ((uint8_t *) &firework->color)[g_random_int_range (0, 3)] = 0;
+            }
+          firework->color.alpha = 255;
+
+          /* Fire some of the fireworks from the other side */
+          if (g_random_boolean ())
+            {
+              firework->start_x = -firework->start_x;
+              firework->initial_x_velocity = -firework->initial_x_velocity;
+            }
+        }
+
+      diff_time = g_timer_elapsed (firework->timer, NULL);
+
+      firework->x = (firework->start_x +
+                     firework->initial_x_velocity * diff_time);
+
+      firework->y = ((firework->initial_y_velocity * diff_time +
+                      0.5f * GRAVITY * diff_time * diff_time) +
+                     firework->start_y);
+    }
+
+  diff_time = g_timer_elapsed (data->last_spark_time, NULL);
+  if (diff_time < 0.0f || diff_time >= TIME_PER_SPARK)
+    {
+      /* Add a new spark for each firework, overwriting the oldest ones */
+      for (i = 0; i < N_FIREWORKS; i++)
+        {
+          Spark *spark = data->sparks + data->next_spark_num;
+          Firework *firework = data->fireworks + i;
+
+          spark->x = (firework->x +
+                      g_random_double_range (-firework->size / 2.0f,
+                                             firework->size / 2.0f));
+          spark->y = (firework->y +
+                      g_random_double_range (-firework->size / 2.0f,
+                                             firework->size / 2.0f));
+          spark->base_color = firework->color;
+
+          data->next_spark_num = (data->next_spark_num + 1) & (N_SPARKS - 1);
+        }
+
+      /* Update the colour of each spark */
+      for (i = 0; i < N_SPARKS; i++)
+        {
+          float color_value;
+
+          /* First spark is the oldest */
+          Spark *spark = data->sparks + ((data->next_spark_num + i)
+                                         & (N_SPARKS - 1));
+
+          color_value = i / (N_SPARKS - 1.0f);
+          spark->color.red = spark->base_color.red * color_value;
+          spark->color.green = spark->base_color.green * color_value;
+          spark->color.blue = spark->base_color.blue * color_value;
+          spark->color.alpha = 255.0f * color_value;
+        }
+
+      g_timer_reset (data->last_spark_time);
+    }
+
+  cogl_buffer_set_data (data->attribute_buffer,
+                        0, /* offset */
+                        data->sparks,
+                        sizeof (data->sparks));
+
+  cogl_framebuffer_clear4f (data->fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+  cogl_primitive_draw (data->primitive,
+                       data->fb,
+                       data->pipeline);
+
+  cogl_onscreen_swap_buffers (data->fb);
+}
+
+static void
+create_primitive (Data *data)
+{
+  CoglAttribute *attributes[2];
+  int i;
+
+  data->attribute_buffer =
+    cogl_attribute_buffer_new_with_size (data->context,
+                                         sizeof (data->sparks));
+  cogl_buffer_set_update_hint (data->attribute_buffer,
+                               COGL_BUFFER_UPDATE_HINT_DYNAMIC);
+
+  attributes[0] = cogl_attribute_new (data->attribute_buffer,
+                                      "cogl_position_in",
+                                      sizeof (Spark),
+                                      G_STRUCT_OFFSET (Spark, x),
+                                      2, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_FLOAT);
+  attributes[1] = cogl_attribute_new (data->attribute_buffer,
+                                      "cogl_color_in",
+                                      sizeof (Spark),
+                                      G_STRUCT_OFFSET (Spark, color),
+                                      4, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE);
+
+  data->primitive =
+    cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_POINTS,
+                                        N_SPARKS,
+                                        attributes,
+                                        G_N_ELEMENTS (attributes));
+
+  for (i = 0; i < G_N_ELEMENTS (attributes); i++)
+    cogl_object_unref (attributes[i]);
+}
+
+static void
+frame_event_cb (CoglOnscreen *onscreen,
+                CoglFrameEvent event,
+                CoglFrameInfo *info,
+                void *user_data)
+{
+  Data *data = user_data;
+
+  if (event == COGL_FRAME_EVENT_SYNC)
+    paint (data);
+}
+
+int
+main (int argc, char *argv[])
+{
+  CoglTexture *tex;
+  CoglOnscreen *onscreen;
+  GSource *cogl_source;
+  GMainLoop *loop;
+  Data data;
+  int i;
+
+  data.context = cogl_context_new (NULL, NULL);
+
+  create_primitive (&data);
+
+  data.pipeline = cogl_pipeline_new (data.context);
+  data.last_spark_time = g_timer_new ();
+  data.next_spark_num = 0;
+  cogl_pipeline_set_point_size (data.pipeline, TEXTURE_SIZE);
+
+  tex = generate_round_texture (data.context);
+  cogl_pipeline_set_layer_texture (data.pipeline, 0, tex);
+  cogl_object_unref (tex);
+
+  cogl_pipeline_set_layer_point_sprite_coords_enabled (data.pipeline,
+                                                       0, /* layer */
+                                                       TRUE,
+                                                       NULL /* error */);
+
+  for (i = 0; i < N_FIREWORKS; i++)
+    {
+      data.fireworks[i].x = -FLT_MAX;
+      data.fireworks[i].y = FLT_MAX;
+      data.fireworks[i].size = 0.0f;
+      data.fireworks[i].timer = g_timer_new ();
+    }
+
+  for (i = 0; i < N_SPARKS; i++)
+    {
+      data.sparks[i].x = 2.0f;
+      data.sparks[i].y = 2.0f;
+    }
+
+  onscreen = cogl_onscreen_new (data.context, 800, 600);
+  cogl_onscreen_show (onscreen);
+  data.fb = onscreen;
+
+  cogl_source = cogl_glib_source_new (data.context, G_PRIORITY_DEFAULT);
+
+  g_source_attach (cogl_source, NULL);
+
+  cogl_onscreen_add_frame_callback (onscreen,
+                                    frame_event_cb,
+                                    &data,
+                                    NULL /* destroy notify */);
+
+  loop = g_main_loop_new (NULL, TRUE);
+
+  paint (&data);
+
+  g_main_loop_run (loop);
+
+  g_main_loop_unref (loop);
+
+  g_source_destroy (cogl_source);
+
+  cogl_object_unref (data.pipeline);
+  cogl_object_unref (data.attribute_buffer);
+  cogl_object_unref (data.primitive);
+  cogl_object_unref (onscreen);
+  cogl_object_unref (data.context);
+
+  g_timer_destroy (data.last_spark_time);
+
+  for (i = 0; i < N_FIREWORKS; i++)
+    g_timer_destroy (data.fireworks[i].timer);
+
+  return 0;
+}
diff --git a/examples/cogl-sdl-hello.c b/examples/cogl-sdl-hello.c
new file mode 100644
index 0000000..157c3e8
--- /dev/null
+++ b/examples/cogl-sdl-hello.c
@@ -0,0 +1,156 @@
+#include 
+#include 
+#include 
+#include 
+
+/* This short example is just to demonstrate mixing SDL with Cogl as a
+   simple way to get portable support for events */
+
+typedef struct Data
+{
+  CoglPrimitive *triangle;
+  CoglPipeline *pipeline;
+  float center_x, center_y;
+  CoglFramebuffer *fb;
+  CoglBool quit;
+  CoglBool redraw_queued;
+  CoglBool ready_to_draw;
+} Data;
+
+static void
+redraw (Data *data)
+{
+  CoglFramebuffer *fb = data->fb;
+
+  cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+  cogl_framebuffer_push_matrix (fb);
+  cogl_framebuffer_translate (fb, data->center_x, -data->center_y, 0.0f);
+
+  cogl_primitive_draw (data->triangle, fb, data->pipeline);
+  cogl_framebuffer_pop_matrix (fb);
+
+  cogl_onscreen_swap_buffers (COGL_ONSCREEN (fb));
+}
+
+static void
+dirty_cb (CoglOnscreen *onscreen,
+          const CoglOnscreenDirtyInfo *info,
+          void *user_data)
+{
+  Data *data = user_data;
+
+  data->redraw_queued = TRUE;
+}
+
+static void
+handle_event (Data *data, SDL_Event *event)
+{
+  switch (event->type)
+    {
+    case SDL_MOUSEMOTION:
+      {
+        int width =
+          cogl_framebuffer_get_width (COGL_FRAMEBUFFER (data->fb));
+        int height =
+          cogl_framebuffer_get_height (COGL_FRAMEBUFFER (data->fb));
+
+        data->center_x = event->motion.x * 2.0f / width - 1.0f;
+        data->center_y = event->motion.y * 2.0f / height - 1.0f;
+
+        data->redraw_queued = TRUE;
+      }
+      break;
+
+    case SDL_QUIT:
+      data->quit = TRUE;
+      break;
+    }
+}
+
+static void
+frame_cb (CoglOnscreen *onscreen,
+          CoglFrameEvent event,
+          CoglFrameInfo *info,
+          void *user_data)
+{
+  Data *data = user_data;
+
+  if (event == COGL_FRAME_EVENT_SYNC)
+    data->ready_to_draw = TRUE;
+}
+
+int
+main (int argc, char **argv)
+{
+  CoglContext *ctx;
+  CoglOnscreen *onscreen;
+  CoglError *error = NULL;
+  CoglVertexP2C4 triangle_vertices[] = {
+    {0, 0.7, 0xff, 0x00, 0x00, 0xff},
+    {-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
+    {0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
+  };
+  Data data;
+  SDL_Event event;
+
+  ctx = cogl_sdl_context_new (SDL_USEREVENT, &error);
+  if (!ctx)
+    {
+      fprintf (stderr, "Failed to create context: %s\n", error->message);
+      return 1;
+    }
+
+  onscreen = cogl_onscreen_new (ctx, 800, 600);
+  data.fb = COGL_FRAMEBUFFER (onscreen);
+
+  cogl_onscreen_add_frame_callback (onscreen,
+                                    frame_cb,
+                                    &data,
+                                    NULL /* destroy callback */);
+  cogl_onscreen_add_dirty_callback (onscreen,
+                                    dirty_cb,
+                                    &data,
+                                    NULL /* destroy callback */);
+
+  data.center_x = 0.0f;
+  data.center_y = 0.0f;
+  data.quit = FALSE;
+
+  cogl_onscreen_show (onscreen);
+
+  data.triangle = cogl_primitive_new_p2c4 (ctx, COGL_VERTICES_MODE_TRIANGLES,
+                                           3, triangle_vertices);
+  data.pipeline = cogl_pipeline_new (ctx);
+
+  data.redraw_queued = FALSE;
+  data.ready_to_draw = TRUE;
+
+  while (!data.quit)
+    {
+      if (!SDL_PollEvent (&event))
+        {
+          if (data.redraw_queued && data.ready_to_draw)
+            {
+              redraw (&data);
+              data.redraw_queued = FALSE;
+              data.ready_to_draw = FALSE;
+              continue;
+            }
+
+          cogl_sdl_idle (ctx);
+          if (!SDL_WaitEvent (&event))
+            {
+              fprintf (stderr, "Error waiting for SDL events");
+              return 1;
+            }
+        }
+
+      handle_event (&data, &event);
+      cogl_sdl_handle_event (ctx, &event);
+    }
+
+  cogl_object_unref (ctx);
+
+  return 0;
+}
diff --git a/examples/cogl-sdl2-hello.c b/examples/cogl-sdl2-hello.c
new file mode 100644
index 0000000..0e32fdb
--- /dev/null
+++ b/examples/cogl-sdl2-hello.c
@@ -0,0 +1,169 @@
+#include 
+#include 
+#include 
+#include 
+
+/* This short example is just to demonstrate mixing SDL with Cogl as a
+   simple way to get portable support for events */
+
+typedef struct Data
+{
+  CoglPrimitive *triangle;
+  CoglPipeline *pipeline;
+  float center_x, center_y;
+  CoglFramebuffer *fb;
+  CoglBool quit;
+  CoglBool redraw_queued;
+  CoglBool ready_to_draw;
+} Data;
+
+static void
+redraw (Data *data)
+{
+  CoglFramebuffer *fb = data->fb;
+
+  cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+  cogl_framebuffer_push_matrix (fb);
+  cogl_framebuffer_translate (fb, data->center_x, -data->center_y, 0.0f);
+
+  cogl_primitive_draw (data->triangle, fb, data->pipeline);
+  cogl_framebuffer_pop_matrix (fb);
+
+  cogl_onscreen_swap_buffers (COGL_ONSCREEN (fb));
+}
+
+static void
+dirty_cb (CoglOnscreen *onscreen,
+          const CoglOnscreenDirtyInfo *info,
+          void *user_data)
+{
+  Data *data = user_data;
+
+  data->redraw_queued = TRUE;
+}
+
+static void
+handle_event (Data *data, SDL_Event *event)
+{
+  switch (event->type)
+    {
+    case SDL_WINDOWEVENT:
+      switch (event->window.event)
+        {
+        case SDL_WINDOWEVENT_CLOSE:
+          data->quit = TRUE;
+          break;
+        }
+      break;
+
+    case SDL_MOUSEMOTION:
+      {
+        int width =
+          cogl_framebuffer_get_width (data->fb);
+        int height =
+          cogl_framebuffer_get_height (data->fb);
+
+        data->center_x = event->motion.x * 2.0f / width - 1.0f;
+        data->center_y = event->motion.y * 2.0f / height - 1.0f;
+
+        data->redraw_queued = TRUE;
+      }
+      break;
+
+    case SDL_QUIT:
+      data->quit = TRUE;
+      break;
+    }
+}
+
+static void
+frame_cb (CoglOnscreen *onscreen,
+          CoglFrameEvent event,
+          CoglFrameInfo *info,
+          void *user_data)
+{
+  Data *data = user_data;
+
+  if (event == COGL_FRAME_EVENT_SYNC)
+    data->ready_to_draw = TRUE;
+}
+
+int
+main (int argc, char **argv)
+{
+  CoglContext *ctx;
+  CoglOnscreen *onscreen;
+  CoglError *error = NULL;
+  CoglVertexP2C4 triangle_vertices[] = {
+    {0, 0.7, 0xff, 0x00, 0x00, 0xff},
+    {-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
+    {0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
+  };
+  Data data;
+  SDL_Event event;
+
+  ctx = cogl_sdl_context_new (SDL_USEREVENT, &error);
+  if (!ctx)
+    {
+      fprintf (stderr, "Failed to create context: %s\n", error->message);
+      return 1;
+    }
+
+  onscreen = cogl_onscreen_new (ctx, 800, 600);
+  data.fb = onscreen;
+
+  cogl_onscreen_add_frame_callback (onscreen,
+                                    frame_cb,
+                                    &data,
+                                    NULL /* destroy callback */);
+  cogl_onscreen_add_dirty_callback (onscreen,
+                                    dirty_cb,
+                                    &data,
+                                    NULL /* destroy callback */);
+
+  data.center_x = 0.0f;
+  data.center_y = 0.0f;
+  data.quit = FALSE;
+
+  /* In SDL2, setting resizable only works before allocating the
+   * onscreen */
+  cogl_onscreen_set_resizable (onscreen, TRUE);
+
+  cogl_onscreen_show (onscreen);
+
+  data.triangle = cogl_primitive_new_p2c4 (ctx, COGL_VERTICES_MODE_TRIANGLES,
+                                           3, triangle_vertices);
+  data.pipeline = cogl_pipeline_new (ctx);
+
+  data.redraw_queued = FALSE;
+  data.ready_to_draw = TRUE;
+
+  while (!data.quit)
+    {
+      if (!SDL_PollEvent (&event))
+        {
+          if (data.redraw_queued && data.ready_to_draw)
+            {
+              redraw (&data);
+              data.redraw_queued = FALSE;
+              data.ready_to_draw = FALSE;
+              continue;
+            }
+
+          cogl_sdl_idle (ctx);
+          if (!SDL_WaitEvent (&event))
+            {
+              fprintf (stderr, "Error waiting for SDL events");
+              return 1;
+            }
+        }
+
+      handle_event (&data, &event);
+      cogl_sdl_handle_event (ctx, &event);
+    }
+
+  cogl_object_unref (ctx);
+
+  return 0;
+}
diff --git a/examples/cogl-x11-foreign.c b/examples/cogl-x11-foreign.c
new file mode 100644
index 0000000..04d586f
--- /dev/null
+++ b/examples/cogl-x11-foreign.c
@@ -0,0 +1,203 @@
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+
+#define X11_FOREIGN_EVENT_MASK \
+  (KeyPressMask | \
+   KeyReleaseMask | \
+   ButtonPressMask | \
+   ButtonReleaseMask | \
+   PointerMotionMask)
+
+static void
+update_cogl_x11_event_mask (CoglOnscreen *onscreen,
+                            uint32_t event_mask,
+                            void *user_data)
+{
+  Display *xdpy = user_data;
+  XSetWindowAttributes attrs;
+  uint32_t xwin;
+
+  attrs.event_mask = event_mask | X11_FOREIGN_EVENT_MASK;
+  xwin = cogl_x11_onscreen_get_window_xid (onscreen);
+
+  XChangeWindowAttributes (xdpy,
+                           (Window)xwin,
+                           CWEventMask,
+                           &attrs);
+}
+
+static void
+resize_handler (CoglOnscreen *onscreen,
+                int width,
+                int height,
+                void *user_data)
+{
+  CoglFramebuffer *fb = user_data;
+  cogl_framebuffer_set_viewport (fb, width / 4, height / 4, width / 2, height / 2);
+}
+
+int
+main (int argc, char **argv)
+{
+  Display *xdpy;
+  CoglRenderer *renderer;
+  CoglSwapChain *chain;
+  CoglOnscreenTemplate *onscreen_template;
+  CoglDisplay *display;
+  CoglContext *ctx;
+  CoglOnscreen *onscreen;
+  CoglFramebuffer *fb;
+  CoglPipeline *pipeline;
+  CoglError *error = NULL;
+  uint32_t visual;
+  XVisualInfo template, *xvisinfo;
+  int visinfos_count;
+  XSetWindowAttributes xattr;
+  unsigned long mask;
+  Window xwin;
+  CoglVertexP2C4 triangle_vertices[] = {
+      {0, 0.7, 0xff, 0x00, 0x00, 0xff},
+      {-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
+      {0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
+  };
+  CoglPrimitive *triangle;
+
+
+  /* Since we want to test external ownership of the X display,
+   * connect to X manually... */
+  xdpy = XOpenDisplay (NULL);
+  if (!xdpy)
+    {
+      fprintf (stderr, "Failed to open X Display\n");
+      return 1;
+    }
+
+  /* Conceptually choose a GPU... */
+  renderer = cogl_renderer_new ();
+  /* FIXME: This should conceptually be part of the configuration of
+   * a renderer. */
+  cogl_xlib_renderer_set_foreign_display (renderer, xdpy);
+  if (!cogl_renderer_connect (renderer, &error))
+    {
+      fprintf (stderr, "Failed to connect to a renderer: %s\n",
+               error->message);
+    }
+
+  chain = cogl_swap_chain_new ();
+  cogl_swap_chain_set_has_alpha (chain, TRUE);
+
+  /* Conceptually declare upfront the kinds of windows we anticipate
+   * creating so that when we configure the display pipeline we can avoid
+   * having an impedance miss-match between the format of windows and the
+   * format the display pipeline expects. */
+  onscreen_template = cogl_onscreen_template_new (chain);
+  cogl_object_unref (chain);
+
+  /* Conceptually setup a display pipeline */
+  display = cogl_display_new (renderer, onscreen_template);
+  cogl_object_unref (renderer);
+  if (!cogl_display_setup (display, &error))
+    {
+      fprintf (stderr, "Failed to setup a display pipeline: %s\n",
+               error->message);
+      return 1;
+    }
+
+  ctx = cogl_context_new (display, &error);
+  if (!ctx)
+    {
+      fprintf (stderr, "Failed to create context: %s\n", error->message);
+      return 1;
+    }
+
+  onscreen = cogl_onscreen_new (ctx, 640, 480);
+
+  /* We want to test that Cogl can handle foreign X windows... */
+
+  visual = cogl_x11_onscreen_get_visual_xid (onscreen);
+  if (!visual)
+    {
+      fprintf (stderr, "Failed to query an X visual suitable for the "
+               "configured CoglOnscreen framebuffer\n");
+      return 1;
+    }
+
+  template.visualid = visual;
+  xvisinfo = XGetVisualInfo (xdpy, VisualIDMask, &template, &visinfos_count);
+
+  /* window attributes */
+  xattr.background_pixel = WhitePixel (xdpy, DefaultScreen (xdpy));
+  xattr.border_pixel = 0;
+  xattr.colormap = XCreateColormap (xdpy,
+                                    DefaultRootWindow (xdpy),
+                                    xvisinfo->visual,
+                                    AllocNone);
+  mask = CWBorderPixel | CWColormap;
+
+  xwin = XCreateWindow (xdpy,
+                        DefaultRootWindow (xdpy),
+                        0, 0,
+                        800, 600,
+                        0,
+                        xvisinfo->depth,
+                        InputOutput,
+                        xvisinfo->visual,
+                        mask, &xattr);
+
+  XFree (xvisinfo);
+
+  cogl_x11_onscreen_set_foreign_window_xid (onscreen, xwin,
+                                            update_cogl_x11_event_mask,
+                                            xdpy);
+
+  XMapWindow (xdpy, xwin);
+
+  fb = onscreen;
+
+  cogl_onscreen_set_resizable (onscreen, TRUE);
+  cogl_onscreen_add_resize_callback (onscreen, resize_handler, onscreen, NULL);
+
+  triangle = cogl_primitive_new_p2c4 (ctx, COGL_VERTICES_MODE_TRIANGLES,
+                                      3, triangle_vertices);
+  pipeline = cogl_pipeline_new (ctx);
+  for (;;)
+    {
+      CoglPollFD *poll_fds;
+      int n_poll_fds;
+      int64_t timeout;
+
+      while (XPending (xdpy))
+        {
+          XEvent event;
+          XNextEvent (xdpy, &event);
+          switch (event.type)
+            {
+            case KeyRelease:
+            case ButtonRelease:
+              return 0;
+            }
+          cogl_xlib_renderer_handle_event (renderer, &event);
+        }
+
+      /* After forwarding native events directly to Cogl you should
+       * then allow Cogl to dispatch any corresponding event
+       * callbacks, such as resize notification callbacks...
+       */
+      cogl_poll_renderer_get_info (cogl_context_get_renderer (ctx),
+                                   &poll_fds, &n_poll_fds, &timeout);
+      g_poll ((GPollFD *) poll_fds, n_poll_fds, 0);
+      cogl_poll_renderer_dispatch (cogl_context_get_renderer (ctx),
+                                   poll_fds, n_poll_fds);
+
+      cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+      cogl_primitive_draw (triangle, fb, pipeline);
+      cogl_onscreen_swap_buffers (onscreen);
+    }
+
+  return 0;
+}
diff --git a/examples/cogl-x11-tfp.c b/examples/cogl-x11-tfp.c
new file mode 100644
index 0000000..52580e9
--- /dev/null
+++ b/examples/cogl-x11-tfp.c
@@ -0,0 +1,255 @@
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+
+#include 
+
+#define X11_FOREIGN_EVENT_MASK \
+  (KeyPressMask | \
+   KeyReleaseMask | \
+   ButtonPressMask | \
+   ButtonReleaseMask | \
+   PointerMotionMask)
+
+#define TFP_XWIN_WIDTH 200
+#define TFP_XWIN_HEIGHT 200
+
+static void
+update_cogl_x11_event_mask (CoglOnscreen *onscreen,
+                            uint32_t event_mask,
+                            void *user_data)
+{
+  Display *xdpy = user_data;
+  XSetWindowAttributes attrs;
+  uint32_t xwin;
+
+  attrs.event_mask = event_mask | X11_FOREIGN_EVENT_MASK;
+  xwin = cogl_x11_onscreen_get_window_xid (onscreen);
+
+  XChangeWindowAttributes (xdpy,
+                           (Window)xwin,
+                           CWEventMask,
+                           &attrs);
+}
+
+int
+main (int argc, char **argv)
+{
+  Display *xdpy;
+  int composite_error = 0, composite_event = 0;
+  CoglRenderer *renderer;
+  CoglSwapChain *chain;
+  CoglOnscreenTemplate *onscreen_template;
+  CoglDisplay *display;
+  CoglContext *ctx;
+  CoglOnscreen *onscreen;
+  CoglFramebuffer *fb;
+  CoglError *error = NULL;
+  uint32_t visual;
+  XVisualInfo template, *xvisinfo;
+  int visinfos_count;
+  XSetWindowAttributes xattr;
+  unsigned long mask;
+  Window xwin;
+  Atom atom_wm_protocols;
+  Atom atom_wm_delete_window;
+  int screen;
+  Window tfp_xwin;
+  Pixmap pixmap;
+  CoglTexturePixmapX11 *tfp;
+  GC gc;
+
+  g_print ("NB: Don't use this example as a benchmark since there is "
+           "no synchonization between X window updates and onscreen "
+           "framebuffer updates!\n");
+
+  /* Since we want to test external ownership of the X display,
+   * connect to X manually... */
+  xdpy = XOpenDisplay (NULL);
+  if (!xdpy)
+    {
+      fprintf (stderr, "Failed to open X Display\n");
+      return 1;
+    }
+
+  XSynchronize (xdpy, True);
+
+  if (XCompositeQueryExtension (xdpy, &composite_event, &composite_error))
+    {
+      int major = 0, minor = 0;
+      if (XCompositeQueryVersion (xdpy, &major, &minor))
+        {
+          if (major != 0 || minor < 3)
+            g_error ("Missing XComposite extension >= 0.3");
+        }
+    }
+
+  /* Conceptually choose a GPU... */
+  renderer = cogl_renderer_new ();
+  /* FIXME: This should conceptually be part of the configuration of
+   * a renderer. */
+  cogl_xlib_renderer_set_foreign_display (renderer, xdpy);
+  if (!cogl_renderer_connect (renderer, &error))
+    {
+      fprintf (stderr, "Failed to connect to a renderer: %s\n",
+               error->message);
+    }
+
+  chain = cogl_swap_chain_new ();
+  cogl_swap_chain_set_has_alpha (chain, TRUE);
+
+  /* Conceptually declare upfront the kinds of windows we anticipate
+   * creating so that when we configure the display pipeline we can avoid
+   * having an impedance miss-match between the format of windows and the
+   * format the display pipeline expects. */
+  onscreen_template = cogl_onscreen_template_new (chain);
+  cogl_object_unref (chain);
+
+  /* Conceptually setup a display pipeline */
+  display = cogl_display_new (renderer, onscreen_template);
+  cogl_object_unref (renderer);
+  if (!cogl_display_setup (display, &error))
+    {
+      fprintf (stderr, "Failed to setup a display pipeline: %s\n",
+               error->message);
+      return 1;
+    }
+
+  ctx = cogl_context_new (display, &error);
+  if (!ctx)
+    {
+      fprintf (stderr, "Failed to create context: %s\n", error->message);
+      return 1;
+    }
+
+  onscreen = cogl_onscreen_new (ctx, 640, 480);
+
+  /* We want to test that Cogl can handle foreign X windows... */
+
+  visual = cogl_x11_onscreen_get_visual_xid (onscreen);
+  if (!visual)
+    {
+      fprintf (stderr, "Failed to query an X visual suitable for the "
+               "configured CoglOnscreen framebuffer\n");
+      return 1;
+    }
+
+  template.visualid = visual;
+  xvisinfo = XGetVisualInfo (xdpy, VisualIDMask, &template, &visinfos_count);
+
+  /* window attributes */
+  xattr.background_pixel = WhitePixel (xdpy, DefaultScreen (xdpy));
+  xattr.border_pixel = 0;
+  xattr.colormap = XCreateColormap (xdpy,
+                                    DefaultRootWindow (xdpy),
+                                    xvisinfo->visual,
+                                    AllocNone);
+  xattr.event_mask = StructureNotifyMask;
+  mask = CWBorderPixel | CWColormap | CWEventMask;
+
+  xwin = XCreateWindow (xdpy,
+                        DefaultRootWindow (xdpy),
+                        0, 0,
+                        800, 600,
+                        0,
+                        xvisinfo->depth,
+                        InputOutput,
+                        xvisinfo->visual,
+                        mask, &xattr);
+
+  atom_wm_protocols = XInternAtom (xdpy, "WM_PROTOCOLS", False);
+  atom_wm_delete_window = XInternAtom (xdpy, "WM_DELETE_WINDOW", False);
+  XSetWMProtocols (xdpy, xwin, &atom_wm_delete_window, 1);
+
+  XFree (xvisinfo);
+
+  cogl_x11_onscreen_set_foreign_window_xid (onscreen, xwin,
+                                            update_cogl_x11_event_mask,
+                                            xdpy);
+
+  XMapWindow (xdpy, xwin);
+
+  XCompositeRedirectSubwindows (xdpy, xwin, CompositeRedirectManual);
+
+  screen = DefaultScreen (xdpy);
+  tfp_xwin = XCreateSimpleWindow (xdpy, xwin,
+				  0, 0, TFP_XWIN_WIDTH, TFP_XWIN_HEIGHT,
+				  0,
+				  WhitePixel (xdpy, screen),
+				  WhitePixel (xdpy, screen));
+  XMapWindow (xdpy, tfp_xwin);
+
+  gc = XCreateGC (xdpy, tfp_xwin, 0, NULL);
+
+  while (TRUE)
+    {
+      XEvent xev;
+
+      XWindowEvent (xdpy, xwin, StructureNotifyMask, &xev);
+
+      if (xev.xany.type == MapNotify)
+        break;
+    }
+
+  pixmap = XCompositeNameWindowPixmap (xdpy, tfp_xwin);
+
+  tfp = cogl_texture_pixmap_x11_new (ctx, pixmap, TRUE, &error);
+  if (!tfp)
+    {
+      fprintf (stderr, "Failed to create CoglTexturePixmapX11: %s",
+               error->message);
+      return 1;
+    }
+
+  fb = onscreen;
+
+  for (;;)
+    {
+      unsigned long pixel;
+      CoglPipeline *pipeline;
+
+      while (XPending (xdpy))
+        {
+          XEvent event;
+          KeySym keysym;
+          XNextEvent (xdpy, &event);
+          switch (event.type)
+            {
+            case KeyRelease:
+              keysym = XLookupKeysym (&event.xkey, 0);
+              if (keysym == XK_q || keysym == XK_Q || keysym == XK_Escape)
+                return 0;
+              break;
+            case ClientMessage:
+              if (event.xclient.message_type == atom_wm_protocols &&
+                  event.xclient.data.l[0] == atom_wm_delete_window)
+                return 0;
+              break;
+            }
+          cogl_xlib_renderer_handle_event (renderer, &event);
+        }
+
+      pixel =
+        g_random_int_range (0, 255) << 24 |
+        g_random_int_range (0, 255) << 16 |
+        g_random_int_range (0, 255) << 8;
+        g_random_int_range (0, 255);
+      XSetForeground (xdpy, gc, pixel);
+      XFillRectangle (xdpy, tfp_xwin, gc, 0, 0, TFP_XWIN_WIDTH, TFP_XWIN_HEIGHT);
+      XFlush (xdpy);
+
+      cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+      pipeline = cogl_pipeline_new (ctx);
+      cogl_pipeline_set_layer_texture (pipeline, 0, tfp);
+      cogl_framebuffer_draw_rectangle (fb, pipeline, -0.8, 0.8, 0.8, -0.8);
+      cogl_object_unref (pipeline);
+      cogl_onscreen_swap_buffers (onscreen);
+    }
+
+  return 0;
+}
diff --git a/examples/cogland.c b/examples/cogland.c
new file mode 100644
index 0000000..f208211
--- /dev/null
+++ b/examples/cogland.c
@@ -0,0 +1,1224 @@
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+typedef struct _CoglandCompositor CoglandCompositor;
+
+typedef struct
+{
+  int x1, y1, x2, y2;
+} CoglandRegion;
+
+typedef struct
+{
+  struct wl_resource *resource;
+  CoglandRegion region;
+} CoglandSharedRegion;
+
+typedef struct
+{
+  struct wl_resource *resource;
+  struct wl_signal destroy_signal;
+  struct wl_listener destroy_listener;
+
+  union
+  {
+    struct wl_shm_buffer *shm_buffer;
+    struct wl_buffer *legacy_buffer;
+  };
+
+  int32_t width, height;
+  uint32_t busy_count;
+} CoglandBuffer;
+
+typedef struct
+{
+  CoglandBuffer *buffer;
+  struct wl_listener destroy_listener;
+} CoglandBufferReference;
+
+typedef struct
+{
+  CoglandCompositor *compositor;
+
+  struct wl_resource *resource;
+  int x;
+  int y;
+  CoglandBufferReference buffer_ref;
+  CoglTexture2D *texture;
+
+  CoglBool has_shell_surface;
+
+  struct wl_signal destroy_signal;
+
+  /* All the pending state, that wl_surface.commit will apply. */
+  struct
+  {
+    /* wl_surface.attach */
+    CoglBool newly_attached;
+    CoglandBuffer *buffer;
+    struct wl_listener buffer_destroy_listener;
+    int32_t sx;
+    int32_t sy;
+
+    /* wl_surface.damage */
+    CoglandRegion damage;
+
+    /* wl_surface.frame */
+    struct wl_list frame_callback_list;
+  } pending;
+} CoglandSurface;
+
+typedef struct
+{
+  CoglandSurface *surface;
+  struct wl_resource *resource;
+  struct wl_listener surface_destroy_listener;
+} CoglandShellSurface;
+
+typedef struct
+{
+  uint32_t flags;
+  int width;
+  int height;
+  int refresh;
+} CoglandMode;
+
+typedef struct
+{
+  struct wl_object wayland_output;
+
+  int32_t x;
+  int32_t y;
+  int32_t width_mm;
+  int32_t height_mm;
+
+  CoglOnscreen *onscreen;
+
+  GList *modes;
+
+} CoglandOutput;
+
+typedef struct
+{
+  GSource source;
+  GPollFD pfd;
+  struct wl_display *display;
+} WaylandEventSource;
+
+struct _CoglandCompositor
+{
+  struct wl_display *wayland_display;
+  struct wl_event_loop *wayland_loop;
+
+  CoglContext *cogl_context;
+
+  int virtual_width;
+  int virtual_height;
+  GList *outputs;
+
+  struct wl_list frame_callbacks;
+
+  CoglPrimitive *triangle;
+  CoglPipeline *triangle_pipeline;
+
+  GSource *wayland_event_source;
+
+  GList *surfaces;
+
+  unsigned int redraw_idle;
+};
+
+static CoglBool option_multiple_outputs = FALSE;
+
+static GOptionEntry
+options[] =
+  {
+    {
+      "multiple", 'm', 0, G_OPTION_ARG_NONE, &option_multiple_outputs,
+      "Split the compositor into four outputs", NULL
+    },
+    { NULL, 0, 0, 0, NULL, NULL, NULL }
+  };
+
+static CoglBool
+process_arguments (int *argc, char ***argv,
+                   GError **error)
+{
+  GOptionContext *context;
+  CoglBool ret;
+  GOptionGroup *group;
+
+  group = g_option_group_new (NULL, /* name */
+                              NULL, /* description */
+                              NULL, /* help_description */
+                              NULL, /* user_data */
+                              NULL /* destroy notify */);
+  g_option_group_add_entries (group, options);
+  context = g_option_context_new ("- An example Wayland compositor using Cogl");
+  g_option_context_set_main_group (context, group);
+  ret = g_option_context_parse (context, argc, argv, error);
+  g_option_context_free (context);
+
+  if (ret && *argc > 1)
+    {
+      g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_UNKNOWN_OPTION,
+                   "Unknown option '%s'", (* argv)[1]);
+      ret = FALSE;
+    }
+
+  return ret;
+}
+
+static uint32_t
+get_time (void)
+{
+  struct timeval tv;
+  gettimeofday (&tv, NULL);
+  return tv.tv_sec * 1000 + tv.tv_usec / 1000;
+}
+
+static void
+region_init (CoglandRegion *region)
+{
+  memset (region, 0, sizeof (*region));
+}
+
+static CoglBool
+region_is_empty (const CoglandRegion *region)
+{
+  return region->x1 == region->x2 || region->y1 == region->y2;
+}
+
+static void
+region_add (CoglandRegion *region,
+            int x,
+            int y,
+            int w,
+            int h)
+{
+  if (region_is_empty (region))
+    {
+      region->x1 = x;
+      region->y1 = y;
+      region->x2 = x + w;
+      region->y2 = y + h;
+    }
+  else
+    {
+      if (x < region->x1)
+        region->x1 = x;
+      if (y < region->y1)
+        region->y1 = y;
+      if (x + w > region->x2)
+        region->x2 = x + w;
+      if (y + h > region->y2)
+        region->y2 = y + h;
+    }
+}
+
+static void
+region_subtract (CoglandRegion *region,
+                 int x,
+                 int y,
+                 int w,
+                 int h)
+{
+  /* FIXME */
+}
+
+static CoglBool
+wayland_event_source_prepare (GSource *base, int *timeout)
+{
+  WaylandEventSource *source = (WaylandEventSource *)base;
+
+  *timeout = -1;
+
+  wl_display_flush_clients (source->display);
+
+  return FALSE;
+}
+
+static CoglBool
+wayland_event_source_check (GSource *base)
+{
+  WaylandEventSource *source = (WaylandEventSource *)base;
+
+  return source->pfd.revents;
+}
+
+static CoglBool
+wayland_event_source_dispatch (GSource *base,
+                                GSourceFunc callback,
+                                void *data)
+{
+  WaylandEventSource *source = (WaylandEventSource *)base;
+  struct wl_event_loop *loop = wl_display_get_event_loop (source->display);
+
+  wl_event_loop_dispatch (loop, 0);
+
+  return TRUE;
+}
+
+static GSourceFuncs wayland_event_source_funcs =
+{
+  wayland_event_source_prepare,
+  wayland_event_source_check,
+  wayland_event_source_dispatch,
+  NULL
+};
+
+static GSource *
+wayland_event_source_new (struct wl_display *display)
+{
+  WaylandEventSource *source;
+  struct wl_event_loop *loop =
+    wl_display_get_event_loop (display);
+
+  source = (WaylandEventSource *) g_source_new (&wayland_event_source_funcs,
+                                                sizeof (WaylandEventSource));
+  source->display = display;
+  source->pfd.fd = wl_event_loop_get_fd (loop);
+  source->pfd.events = G_IO_IN | G_IO_ERR;
+  g_source_add_poll (&source->source, &source->pfd);
+
+  return &source->source;
+}
+
+static void
+cogland_buffer_destroy_handler (struct wl_listener *listener,
+                                void *data)
+{
+  CoglandBuffer *buffer = wl_container_of (listener, buffer, destroy_listener);
+
+  wl_signal_emit (&buffer->destroy_signal, buffer);
+  g_slice_free (CoglandBuffer, buffer);
+}
+
+static CoglandBuffer *
+cogland_buffer_from_resource (struct wl_resource *resource)
+{
+  CoglandBuffer *buffer;
+  struct wl_listener *listener;
+
+  listener = wl_resource_get_destroy_listener (resource,
+                                               cogland_buffer_destroy_handler);
+
+  if (listener)
+    {
+      buffer = wl_container_of (listener, buffer, destroy_listener);
+    }
+  else
+    {
+      buffer = g_slice_new0 (CoglandBuffer);
+
+      buffer->resource = resource;
+      wl_signal_init (&buffer->destroy_signal);
+      buffer->destroy_listener.notify = cogland_buffer_destroy_handler;
+      wl_resource_add_destroy_listener (resource, &buffer->destroy_listener);
+    }
+
+  return buffer;
+}
+
+static void
+cogland_buffer_reference_handle_destroy (struct wl_listener *listener,
+                                         void *data)
+{
+  CoglandBufferReference *ref =
+    wl_container_of (listener, ref, destroy_listener);
+
+  g_assert (data == ref->buffer);
+
+  ref->buffer = NULL;
+}
+
+static void
+cogland_buffer_reference (CoglandBufferReference *ref,
+                          CoglandBuffer *buffer)
+{
+  if (ref->buffer && buffer != ref->buffer)
+    {
+      ref->buffer->busy_count--;
+
+      if (ref->buffer->busy_count == 0)
+        {
+          g_assert (wl_resource_get_client (ref->buffer->resource));
+          wl_resource_queue_event (ref->buffer->resource, WL_BUFFER_RELEASE);
+        }
+
+      wl_list_remove (&ref->destroy_listener.link);
+    }
+
+  if (buffer && buffer != ref->buffer)
+    {
+      buffer->busy_count++;
+      wl_signal_add (&buffer->destroy_signal, &ref->destroy_listener);
+    }
+
+  ref->buffer = buffer;
+  ref->destroy_listener.notify = cogland_buffer_reference_handle_destroy;
+}
+
+typedef struct _CoglandFrameCallback
+{
+  struct wl_list link;
+
+  /* Pointer back to the compositor */
+  CoglandCompositor *compositor;
+
+  struct wl_resource *resource;
+} CoglandFrameCallback;
+
+static CoglBool
+paint_cb (void *user_data)
+{
+  CoglandCompositor *compositor = user_data;
+  GList *l;
+
+  for (l = compositor->outputs; l; l = l->next)
+    {
+      CoglandOutput *output = l->data;
+      CoglFramebuffer *fb = output->onscreen;
+      GList *l2;
+
+      cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+      cogl_primitive_draw (compositor->triangle,
+                           fb, compositor->triangle_pipeline);
+
+      for (l2 = compositor->surfaces; l2; l2 = l2->next)
+        {
+          CoglandSurface *surface = l2->data;
+
+          if (surface->texture)
+            {
+              CoglTexture2D *texture = surface->texture;
+              CoglPipeline *pipeline =
+                cogl_pipeline_new (compositor->cogl_context);
+              cogl_pipeline_set_layer_texture (pipeline, 0, texture);
+              cogl_framebuffer_draw_rectangle (fb, pipeline, -1, 1, 1, -1);
+              cogl_object_unref (pipeline);
+            }
+        }
+      cogl_onscreen_swap_buffers (COGL_ONSCREEN (fb));
+    }
+
+  while (!wl_list_empty (&compositor->frame_callbacks))
+    {
+      CoglandFrameCallback *callback =
+        wl_container_of (compositor->frame_callbacks.next, callback, link);
+
+      wl_callback_send_done (callback->resource, get_time ());
+      wl_resource_destroy (callback->resource);
+    }
+
+  compositor->redraw_idle = 0;
+
+  return G_SOURCE_REMOVE;
+}
+
+static void
+cogland_queue_redraw (CoglandCompositor *compositor)
+{
+  if (compositor->redraw_idle == 0)
+    compositor->redraw_idle = g_idle_add (paint_cb, compositor);
+}
+
+static void
+surface_damaged (CoglandSurface *surface,
+                 int32_t x,
+                 int32_t y,
+                 int32_t width,
+                 int32_t height)
+{
+  if (surface->buffer_ref.buffer &&
+      surface->texture)
+    {
+      struct wl_shm_buffer *shm_buffer =
+        wl_shm_buffer_get (surface->buffer_ref.buffer->resource);
+
+      if (shm_buffer)
+        cogl_wayland_texture_set_region_from_shm_buffer (surface->texture,
+                                                         x, y,
+                                                         width,
+                                                         height,
+                                                         shm_buffer,
+                                                         x, y,
+                                                         0, /* level */
+                                                         NULL);
+    }
+
+  cogland_queue_redraw (surface->compositor);
+}
+
+static void
+cogland_surface_destroy (struct wl_client *wayland_client,
+                         struct wl_resource *wayland_resource)
+{
+  wl_resource_destroy (wayland_resource);
+}
+
+static void
+cogland_surface_attach (struct wl_client *wayland_client,
+                        struct wl_resource *wayland_surface_resource,
+                        struct wl_resource *wayland_buffer_resource,
+                        int32_t sx, int32_t sy)
+{
+  CoglandSurface *surface =
+    wl_resource_get_user_data (wayland_surface_resource);
+  CoglandBuffer *buffer;
+
+  if (wayland_buffer_resource)
+    buffer = cogland_buffer_from_resource (wayland_buffer_resource);
+  else
+    buffer = NULL;
+
+  /* Attach without commit in between does not went wl_buffer.release */
+  if (surface->pending.buffer)
+    wl_list_remove (&surface->pending.buffer_destroy_listener.link);
+
+  surface->pending.sx = sx;
+  surface->pending.sy = sy;
+  surface->pending.buffer = buffer;
+  surface->pending.newly_attached = TRUE;
+
+  if (buffer)
+    wl_signal_add (&buffer->destroy_signal,
+                   &surface->pending.buffer_destroy_listener);
+}
+
+static void
+cogland_surface_damage (struct wl_client *client,
+                        struct wl_resource *resource,
+                        int32_t x,
+                        int32_t y,
+                        int32_t width,
+                        int32_t height)
+{
+  CoglandSurface *surface = wl_resource_get_user_data (resource);
+
+  region_add (&surface->pending.damage, x, y, width, height);
+}
+
+static void
+destroy_frame_callback (struct wl_resource *callback_resource)
+{
+  CoglandFrameCallback *callback =
+    wl_resource_get_user_data (callback_resource);
+
+  wl_list_remove (&callback->link);
+  g_slice_free (CoglandFrameCallback, callback);
+}
+
+static void
+cogland_surface_frame (struct wl_client *client,
+                       struct wl_resource *surface_resource,
+                       uint32_t callback_id)
+{
+  CoglandFrameCallback *callback;
+  CoglandSurface *surface = wl_resource_get_user_data (surface_resource);
+
+  callback = g_slice_new0 (CoglandFrameCallback);
+  callback->compositor = surface->compositor;
+  callback->resource = wl_client_add_object (client,
+                                             &wl_callback_interface,
+                                             NULL, /* no implementation */
+                                             callback_id,
+                                             callback);
+  wl_resource_set_destructor (callback->resource, destroy_frame_callback);
+
+  wl_list_insert (surface->pending.frame_callback_list.prev, &callback->link);
+}
+
+static void
+cogland_surface_set_opaque_region (struct wl_client *client,
+                                   struct wl_resource *resource,
+                                   struct wl_resource *region)
+{
+}
+
+static void
+cogland_surface_set_input_region (struct wl_client *client,
+                                  struct wl_resource *resource,
+                                  struct wl_resource *region)
+{
+}
+
+static void
+cogland_surface_commit (struct wl_client *client,
+                        struct wl_resource *resource)
+{
+  CoglandSurface *surface = wl_resource_get_user_data (resource);
+  CoglandCompositor *compositor = surface->compositor;
+
+  /* wl_surface.attach */
+  if (surface->pending.newly_attached &&
+      surface->buffer_ref.buffer != surface->pending.buffer)
+    {
+      CoglError *error = NULL;
+
+      if (surface->texture)
+        {
+          cogl_object_unref (surface->texture);
+          surface->texture = NULL;
+        }
+
+      cogland_buffer_reference (&surface->buffer_ref, surface->pending.buffer);
+
+      if (surface->pending.buffer)
+        {
+          struct wl_resource *buffer_resource =
+            surface->pending.buffer->resource;
+
+          surface->texture =
+            cogl_wayland_texture_2d_new_from_buffer (compositor->cogl_context,
+                                                     buffer_resource,
+                                                     &error);
+
+          if (!surface->texture)
+            {
+              g_error ("Failed to create texture_2d from wayland buffer: %s",
+                       error->message);
+              cogl_error_free (error);
+            }
+        }
+    }
+  if (surface->pending.buffer)
+    {
+      wl_list_remove (&surface->pending.buffer_destroy_listener.link);
+      surface->pending.buffer = NULL;
+    }
+  surface->pending.sx = 0;
+  surface->pending.sy = 0;
+  surface->pending.newly_attached = FALSE;
+
+  /* wl_surface.damage */
+  if (surface->buffer_ref.buffer &&
+      surface->texture &&
+      !region_is_empty (&surface->pending.damage))
+    {
+      CoglandRegion *region = &surface->pending.damage;
+      CoglTexture *texture = surface->texture;
+
+      if (region->x2 > cogl_texture_get_width (texture))
+        region->x2 = cogl_texture_get_width (texture);
+      if (region->y2 > cogl_texture_get_height (texture))
+        region->y2 = cogl_texture_get_height (texture);
+      if (region->x1 < 0)
+        region->x1 = 0;
+      if (region->y1 < 0)
+        region->y1 = 0;
+
+      surface_damaged (surface,
+                       region->x1,
+                       region->y1,
+                       region->x2 - region->x1,
+                       region->y2 - region->y1);
+    }
+  region_init (&surface->pending.damage);
+
+  /* wl_surface.frame */
+  wl_list_insert_list (&compositor->frame_callbacks,
+                       &surface->pending.frame_callback_list);
+  wl_list_init (&surface->pending.frame_callback_list);
+}
+
+static void
+cogland_surface_set_buffer_transform (struct wl_client *client,
+                                      struct wl_resource *resource,
+                                      int32_t transform)
+{
+}
+
+const struct wl_surface_interface cogland_surface_interface = {
+  cogland_surface_destroy,
+  cogland_surface_attach,
+  cogland_surface_damage,
+  cogland_surface_frame,
+  cogland_surface_set_opaque_region,
+  cogland_surface_set_input_region,
+  cogland_surface_commit,
+  cogland_surface_set_buffer_transform
+};
+
+static void
+cogland_surface_free (CoglandSurface *surface)
+{
+  CoglandCompositor *compositor = surface->compositor;
+  CoglandFrameCallback *cb, *next;
+
+  wl_signal_emit (&surface->destroy_signal, &surface->resource);
+
+  compositor->surfaces = g_list_remove (compositor->surfaces, surface);
+
+  cogland_buffer_reference (&surface->buffer_ref, NULL);
+  if (surface->texture)
+    cogl_object_unref (surface->texture);
+
+  if (surface->pending.buffer)
+    wl_list_remove (&surface->pending.buffer_destroy_listener.link);
+
+  wl_list_for_each_safe (cb, next,
+                         &surface->pending.frame_callback_list, link)
+    wl_resource_destroy (cb->resource);
+
+  g_slice_free (CoglandSurface, surface);
+
+  cogland_queue_redraw (compositor);
+}
+
+static void
+cogland_surface_resource_destroy_cb (struct wl_resource *resource)
+{
+  CoglandSurface *surface = wl_resource_get_user_data (resource);
+  cogland_surface_free (surface);
+}
+
+static void
+surface_handle_pending_buffer_destroy (struct wl_listener *listener,
+                                       void *data)
+{
+  CoglandSurface *surface =
+    wl_container_of (listener, surface, pending.buffer_destroy_listener);
+
+  surface->pending.buffer = NULL;
+}
+
+static void
+cogland_compositor_create_surface (struct wl_client *wayland_client,
+                                   struct wl_resource *wayland_compositor_resource,
+                                   uint32_t id)
+{
+  CoglandCompositor *compositor =
+    wl_resource_get_user_data (wayland_compositor_resource);
+  CoglandSurface *surface = g_slice_new0 (CoglandSurface);
+
+  surface->compositor = compositor;
+
+  wl_signal_init (&surface->destroy_signal);
+
+  surface->resource = wl_client_add_object (wayland_client,
+                                            &wl_surface_interface,
+                                            &cogland_surface_interface,
+                                            id,
+                                            surface);
+  wl_resource_set_destructor (surface->resource,
+                              cogland_surface_resource_destroy_cb);
+
+  surface->pending.buffer_destroy_listener.notify =
+    surface_handle_pending_buffer_destroy;
+  wl_list_init (&surface->pending.frame_callback_list);
+  region_init (&surface->pending.damage);
+
+  compositor->surfaces = g_list_prepend (compositor->surfaces,
+                                         surface);
+}
+
+static void
+cogland_region_destroy (struct wl_client *client,
+			struct wl_resource *resource)
+{
+  wl_resource_destroy (resource);
+}
+
+static void
+cogland_region_add (struct wl_client *client,
+		    struct wl_resource *resource,
+		    int32_t x,
+		    int32_t y,
+		    int32_t width,
+		    int32_t height)
+{
+  CoglandSharedRegion *shared_region = wl_resource_get_user_data (resource);
+
+  region_add (&shared_region->region, x, y, width, height);
+}
+
+static void
+cogland_region_subtract (struct wl_client *client,
+			 struct wl_resource *resource,
+			 int32_t x,
+			 int32_t y,
+			 int32_t width,
+			 int32_t height)
+{
+  CoglandSharedRegion *shared_region = wl_resource_get_user_data (resource);
+
+  region_subtract (&shared_region->region, x, y, width, height);
+}
+
+const struct wl_region_interface cogland_region_interface = {
+  cogland_region_destroy,
+  cogland_region_add,
+  cogland_region_subtract
+};
+
+static void
+cogland_region_resource_destroy_cb (struct wl_resource *resource)
+{
+  CoglandSharedRegion *region = wl_resource_get_user_data (resource);
+
+  g_slice_free (CoglandSharedRegion, region);
+}
+
+static void
+cogland_compositor_create_region (struct wl_client *wayland_client,
+                                  struct wl_resource *compositor_resource,
+                                  uint32_t id)
+{
+  CoglandSharedRegion *region = g_slice_new0 (CoglandSharedRegion);
+
+  region->resource = wl_client_add_object (wayland_client,
+                                           &wl_region_interface,
+                                           &cogland_region_interface,
+                                           id,
+                                           region);
+  wl_resource_set_destructor (region->resource,
+                              cogland_region_resource_destroy_cb);
+
+  region_init (®ion->region);
+}
+
+static void
+bind_output (struct wl_client *client,
+             void *data,
+             uint32_t version,
+             uint32_t id)
+{
+  CoglandOutput *output = data;
+  struct wl_resource *resource =
+    wl_client_add_object (client, &wl_output_interface, NULL, id, data);
+  GList *l;
+
+  wl_resource_post_event (resource,
+                          WL_OUTPUT_GEOMETRY,
+                          output->x, output->y,
+                          output->width_mm,
+                          output->height_mm,
+                          0, /* subpixel: unknown */
+                          "unknown", /* make */
+                          "unknown"); /* model */
+
+  for (l = output->modes; l; l = l->next)
+    {
+      CoglandMode *mode = l->data;
+      wl_resource_post_event (resource,
+                              WL_OUTPUT_MODE,
+                              mode->flags,
+                              mode->width,
+                              mode->height,
+                              mode->refresh);
+    }
+}
+
+static void
+dirty_cb (CoglOnscreen *onscreen,
+          const CoglOnscreenDirtyInfo *info,
+          void *user_data)
+{
+  CoglandCompositor *compositor = user_data;
+
+  cogland_queue_redraw (compositor);
+}
+
+static void
+cogland_compositor_create_output (CoglandCompositor *compositor,
+                                  int x,
+                                  int y,
+                                  int width_mm,
+                                  int height_mm)
+{
+  CoglandOutput *output = g_slice_new0 (CoglandOutput);
+  CoglFramebuffer *fb;
+  CoglError *error = NULL;
+  CoglandMode *mode;
+
+  output->x = x;
+  output->y = y;
+  output->width_mm = width_mm;
+  output->height_mm = height_mm;
+
+  output->wayland_output.interface = &wl_output_interface;
+
+  wl_display_add_global (compositor->wayland_display,
+                         &wl_output_interface,
+                         output,
+                         bind_output);
+
+  output->onscreen = cogl_onscreen_new (compositor->cogl_context,
+                                        width_mm, height_mm);
+  /* Eventually there will be an implicit allocate on first use so this
+   * will become optional... */
+  fb = output->onscreen;
+  if (!cogl_framebuffer_allocate (fb, &error))
+    g_error ("Failed to allocate framebuffer: %s\n", error->message);
+
+  cogl_onscreen_add_dirty_callback (output->onscreen,
+                                    dirty_cb,
+                                    compositor,
+                                    NULL /* destroy */);
+
+  cogl_onscreen_show (output->onscreen);
+  cogl_framebuffer_set_viewport (fb,
+                                 -x, -y,
+                                 compositor->virtual_width,
+                                 compositor->virtual_height);
+
+  mode = g_slice_new0 (CoglandMode);
+  mode->flags = 0;
+  mode->width = width_mm;
+  mode->height = height_mm;
+  mode->refresh = 60;
+
+  output->modes = g_list_prepend (output->modes, mode);
+
+  compositor->outputs = g_list_prepend (compositor->outputs, output);
+}
+
+const static struct wl_compositor_interface cogland_compositor_interface =
+{
+  cogland_compositor_create_surface,
+  cogland_compositor_create_region
+};
+
+static void
+compositor_bind (struct wl_client *client,
+                 void *data,
+                 uint32_t version,
+                 uint32_t id)
+{
+  CoglandCompositor *compositor = data;
+
+  wl_client_add_object (client, &wl_compositor_interface,
+                        &cogland_compositor_interface, id, compositor);
+}
+
+static void
+shell_surface_pong (struct wl_client *client,
+                    struct wl_resource *resource,
+                    uint32_t serial)
+{
+}
+
+static void
+shell_surface_move (struct wl_client *client,
+                    struct wl_resource *resource,
+                    struct wl_resource *seat,
+                    uint32_t serial)
+{
+}
+
+static void
+shell_surface_resize (struct wl_client *client,
+                      struct wl_resource *resource,
+                      struct wl_resource *seat,
+                      uint32_t serial,
+                      uint32_t edges)
+{
+}
+
+static void
+shell_surface_set_toplevel (struct wl_client *client,
+                            struct wl_resource *resource)
+{
+}
+
+static void
+shell_surface_set_transient (struct wl_client *client,
+                             struct wl_resource *resource,
+                             struct wl_resource *parent,
+                             int32_t x,
+                             int32_t y,
+                             uint32_t flags)
+{
+}
+
+static void
+shell_surface_set_fullscreen (struct wl_client *client,
+                              struct wl_resource *resource,
+                              uint32_t method,
+                              uint32_t framerate,
+                              struct wl_resource *output)
+{
+}
+
+static void
+shell_surface_set_popup (struct wl_client *client,
+                         struct wl_resource *resource,
+                         struct wl_resource *seat,
+                         uint32_t serial,
+                         struct wl_resource *parent,
+                         int32_t x,
+                         int32_t y,
+                         uint32_t flags)
+{
+}
+
+static void
+shell_surface_set_maximized (struct wl_client *client,
+                             struct wl_resource *resource,
+                             struct wl_resource *output)
+{
+}
+
+static void
+shell_surface_set_title (struct wl_client *client,
+                         struct wl_resource *resource,
+                         const char *title)
+{
+}
+
+static void
+shell_surface_set_class (struct wl_client *client,
+                         struct wl_resource *resource,
+                         const char *class_)
+{
+}
+
+static const struct wl_shell_surface_interface cogl_shell_surface_interface =
+{
+  shell_surface_pong,
+  shell_surface_move,
+  shell_surface_resize,
+  shell_surface_set_toplevel,
+  shell_surface_set_transient,
+  shell_surface_set_fullscreen,
+  shell_surface_set_popup,
+  shell_surface_set_maximized,
+  shell_surface_set_title,
+  shell_surface_set_class
+};
+
+static void
+destroy_shell_surface (CoglandShellSurface *shell_surface)
+{
+  /* In case cleaning up a dead client destroys shell_surface first */
+  if (shell_surface->surface)
+    {
+      wl_list_remove (&shell_surface->surface_destroy_listener.link);
+      shell_surface->surface->has_shell_surface = FALSE;
+    }
+
+  g_free (shell_surface);
+}
+
+static void
+destroy_shell_surface_cb (struct wl_resource *resource)
+{
+  destroy_shell_surface (wl_resource_get_user_data (resource));
+}
+
+static void
+shell_handle_surface_destroy (struct wl_listener *listener,
+                              void *data)
+{
+  CoglandShellSurface *shell_surface =
+    wl_container_of (listener, shell_surface, surface_destroy_listener);
+
+  shell_surface->surface->has_shell_surface = FALSE;
+  shell_surface->surface = NULL;
+
+  if (shell_surface->resource)
+    wl_resource_destroy (shell_surface->resource);
+  else
+    destroy_shell_surface (shell_surface);
+}
+
+static void
+get_shell_surface (struct wl_client *client,
+                   struct wl_resource *resource,
+                   uint32_t id,
+                   struct wl_resource *surface_resource)
+{
+  CoglandSurface *surface = wl_resource_get_user_data (surface_resource);
+  CoglandShellSurface *shell_surface;
+
+  if (surface->has_shell_surface)
+    {
+      wl_resource_post_error (surface_resource,
+                              WL_DISPLAY_ERROR_INVALID_OBJECT,
+                              "wl_shell::get_shell_surface already requested");
+      return;
+    }
+
+  shell_surface = g_new0 (CoglandShellSurface, 1);
+
+  shell_surface->surface = surface;
+  shell_surface->surface_destroy_listener.notify =
+    shell_handle_surface_destroy;
+  wl_signal_add (&surface->destroy_signal,
+                 &shell_surface->surface_destroy_listener);
+
+  surface->has_shell_surface = TRUE;
+
+  shell_surface->resource = wl_client_add_object (client,
+                                                  &wl_shell_surface_interface,
+                                                  &cogl_shell_surface_interface,
+                                                  id,
+                                                  shell_surface);
+  wl_resource_set_destructor (shell_surface->resource,
+                              destroy_shell_surface_cb);
+}
+
+static const struct wl_shell_interface cogland_shell_interface =
+{
+  get_shell_surface
+};
+
+static void
+bind_shell (struct wl_client *client,
+            void *data,
+            uint32_t version,
+            uint32_t id)
+{
+  wl_client_add_object (client, &wl_shell_interface,
+                        &cogland_shell_interface, id, data);
+}
+
+static CoglContext *
+create_cogl_context (CoglandCompositor *compositor,
+                     CoglBool use_egl_constraint,
+                     CoglError **error)
+{
+  CoglRenderer *renderer = renderer = cogl_renderer_new ();
+  CoglDisplay *display;
+  CoglContext *context;
+
+  if (use_egl_constraint)
+    cogl_renderer_add_constraint (renderer, COGL_RENDERER_CONSTRAINT_USES_EGL);
+
+  if (!cogl_renderer_connect (renderer, error))
+    {
+      cogl_object_unref (renderer);
+      return NULL;
+    }
+
+  display = cogl_display_new (renderer, NULL);
+  cogl_wayland_display_set_compositor_display (display,
+                                               compositor->wayland_display);
+
+  context = cogl_context_new (display, error);
+
+  cogl_object_unref (renderer);
+  cogl_object_unref (display);
+
+  return context;
+}
+
+int
+main (int argc, char **argv)
+{
+  CoglandCompositor compositor;
+  GMainLoop *loop;
+  CoglError *error = NULL;
+  GError *gerror = NULL;
+  CoglVertexP2C4 triangle_vertices[] = {
+      {0, 0.7, 0xff, 0x00, 0x00, 0xff},
+      {-0.7, -0.7, 0x00, 0xff, 0x00, 0xff},
+      {0.7, -0.7, 0x00, 0x00, 0xff, 0xff}
+  };
+  GSource *cogl_source;
+
+  if (!process_arguments (&argc, &argv, &gerror))
+    {
+      fprintf (stderr, "%s\n", gerror->message);
+      return EXIT_FAILURE;
+    }
+
+  memset (&compositor, 0, sizeof (compositor));
+
+  compositor.wayland_display = wl_display_create ();
+  if (compositor.wayland_display == NULL)
+    g_error ("failed to create wayland display");
+
+  wl_list_init (&compositor.frame_callbacks);
+
+  if (!wl_display_add_global (compositor.wayland_display,
+                              &wl_compositor_interface,
+                              &compositor,
+                              compositor_bind))
+    g_error ("Failed to register wayland compositor object");
+
+  wl_display_init_shm (compositor.wayland_display);
+
+  loop = g_main_loop_new (NULL, FALSE);
+  compositor.wayland_loop =
+    wl_display_get_event_loop (compositor.wayland_display);
+  compositor.wayland_event_source =
+    wayland_event_source_new (compositor.wayland_display);
+  g_source_attach (compositor.wayland_event_source, NULL);
+
+  /* We want Cogl to use an EGL renderer because otherwise it won't
+   * set up the wl_drm object and only SHM buffers will work. */
+  compositor.cogl_context =
+    create_cogl_context (&compositor,
+                         TRUE /* use EGL constraint */,
+                         &error);
+  if (compositor.cogl_context == NULL)
+    {
+      /* If we couldn't get an EGL context then try any type of
+       * context */
+      cogl_error_free (error);
+      error = NULL;
+
+      compositor.cogl_context =
+        create_cogl_context (&compositor,
+                             FALSE, /* don't set EGL constraint */
+                             &error);
+
+      if (compositor.cogl_context)
+        g_warning ("Failed to create context with EGL constraint, "
+                   "falling back");
+      else
+        g_error ("Failed to create a Cogl context: %s\n", error->message);
+    }
+
+  compositor.virtual_width = 800;
+  compositor.virtual_height = 600;
+
+  if (option_multiple_outputs)
+    {
+      int hw = compositor.virtual_width / 2;
+      int hh = compositor.virtual_height / 2;
+      /* Emulate compositing with multiple monitors... */
+      cogland_compositor_create_output (&compositor, 0, 0, hw, hh);
+      cogland_compositor_create_output (&compositor, hw, 0, hw, hh);
+      cogland_compositor_create_output (&compositor, 0, hh, hw, hh);
+      cogland_compositor_create_output (&compositor, hw, hh, hw, hh);
+    }
+  else
+    {
+      cogland_compositor_create_output (&compositor,
+                                        0, 0,
+                                        compositor.virtual_width,
+                                        compositor.virtual_height);
+    }
+
+  if (wl_display_add_global (compositor.wayland_display, &wl_shell_interface,
+                             &compositor, bind_shell) == NULL)
+    g_error ("Failed to register a global shell object");
+
+  if (wl_display_add_socket (compositor.wayland_display, "wayland-0"))
+    g_error ("Failed to create socket");
+
+  compositor.triangle = cogl_primitive_new_p2c4 (compositor.cogl_context,
+                                                 COGL_VERTICES_MODE_TRIANGLES,
+                                                 3, triangle_vertices);
+  compositor.triangle_pipeline = cogl_pipeline_new (compositor.cogl_context);
+
+  cogl_source = cogl_glib_source_new (compositor.cogl_context,
+                                      G_PRIORITY_DEFAULT);
+
+  g_source_attach (cogl_source, NULL);
+
+  g_main_loop_run (loop);
+
+  return 0;
+}
diff --git a/examples/crate.jpg b/examples/crate.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2807459ffa4c08a37d23543635d301a8fd2c09be
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dvn7)ei^95&B9 /dev/null 2>&1 ; then \
+	    scanobj_options=""; \
+	    gtkdoc-scangobj 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
+	    if test "$(?)" = "0"; then \
+	        if test "x$(V)" = "x1"; then \
+	            scanobj_options="--verbose"; \
+	        fi; \
+	    fi; \
+	    CC="$(GTKDOC_CC)" LD="$(GTKDOC_LD)" RUN="$(GTKDOC_RUN)" CFLAGS="$(GTKDOC_CFLAGS) $(CFLAGS)" LDFLAGS="$(GTKDOC_LIBS) $(LDFLAGS)" \
+	    gtkdoc-scangobj $(SCANGOBJ_OPTIONS) $$scanobj_options --module=$(DOC_MODULE); \
+	else \
+	    for i in $(SCANOBJ_FILES) ; do \
+	        test -f $$i || touch $$i ; \
+	    done \
+	fi
+	$(AM_V_at)touch scan-build.stamp
+
+$(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections.txt $(DOC_MODULE)-overrides.txt: scan-build.stamp
+	@true
+
+#### xml ####
+
+GTK_DOC_V_XML=$(GTK_DOC_V_XML_$(V))
+GTK_DOC_V_XML_=$(GTK_DOC_V_XML_$(AM_DEFAULT_VERBOSITY))
+GTK_DOC_V_XML_0=@echo "  DOC   Building XML";
+
+sgml-build.stamp: setup-build.stamp $(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections.txt $(DOC_MODULE)-overrides.txt $(expand_content_files)
+	$(GTK_DOC_V_XML)_source_dir='' ; \
+	for i in $(DOC_SOURCE_DIR) ; do \
+	    _source_dir="$${_source_dir} --source-dir=$$i" ; \
+	done ; \
+	gtkdoc-mkdb --module=$(DOC_MODULE) --output-format=xml --expand-content-files="$(expand_content_files)" --main-sgml-file=$(DOC_MAIN_SGML_FILE) $${_source_dir} $(MKDB_OPTIONS)
+	$(AM_V_at)touch sgml-build.stamp
+
+sgml.stamp: sgml-build.stamp
+	@true
+
+#### html ####
+
+GTK_DOC_V_HTML=$(GTK_DOC_V_HTML_$(V))
+GTK_DOC_V_HTML_=$(GTK_DOC_V_HTML_$(AM_DEFAULT_VERBOSITY))
+GTK_DOC_V_HTML_0=@echo "  DOC   Building HTML";
+
+GTK_DOC_V_XREF=$(GTK_DOC_V_XREF_$(V))
+GTK_DOC_V_XREF_=$(GTK_DOC_V_XREF_$(AM_DEFAULT_VERBOSITY))
+GTK_DOC_V_XREF_0=@echo "  DOC   Fixing cross-references";
+
+html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
+	$(GTK_DOC_V_HTML)rm -rf html && mkdir html && \
+	mkhtml_options=""; \
+	gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
+	if test "$(?)" = "0"; then \
+	  if test "x$(V)" = "x1"; then \
+	    mkhtml_options="$$mkhtml_options --verbose"; \
+	  fi; \
+	fi; \
+	gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-path"; \
+	if test "$(?)" = "0"; then \
+	  mkhtml_options="$$mkhtml_options --path=\"$(abs_srcdir)\""; \
+	fi; \
+	cd html && gtkdoc-mkhtml $$mkhtml_options $(MKHTML_OPTIONS) $(DOC_MODULE) ../$(DOC_MAIN_SGML_FILE)
+	-@test "x$(HTML_IMAGES)" = "x" || \
+	for file in $(HTML_IMAGES) ; do \
+	  if test -f $(abs_srcdir)/$$file ; then \
+	    cp $(abs_srcdir)/$$file $(abs_builddir)/html; \
+	  fi; \
+	  if test -f $(abs_builddir)/$$file ; then \
+	    cp $(abs_builddir)/$$file $(abs_builddir)/html; \
+	  fi; \
+	done;
+	$(GTK_DOC_V_XREF)gtkdoc-fixxref --module=$(DOC_MODULE) --module-dir=html --html-dir=$(HTML_DIR) $(FIXXREF_OPTIONS)
+	$(AM_V_at)touch html-build.stamp
+
+#### pdf ####
+
+GTK_DOC_V_PDF=$(GTK_DOC_V_PDF_$(V))
+GTK_DOC_V_PDF_=$(GTK_DOC_V_PDF_$(AM_DEFAULT_VERBOSITY))
+GTK_DOC_V_PDF_0=@echo "  DOC   Building PDF";
+
+pdf-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
+	$(GTK_DOC_V_PDF)rm -f $(DOC_MODULE).pdf && \
+	mkpdf_options=""; \
+	gtkdoc-mkpdf 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
+	if test "$(?)" = "0"; then \
+	  if test "x$(V)" = "x1"; then \
+	    mkpdf_options="$$mkpdf_options --verbose"; \
+	  fi; \
+	fi; \
+	if test "x$(HTML_IMAGES)" != "x"; then \
+	  for img in $(HTML_IMAGES); do \
+	    part=`dirname $$img`; \
+	    echo $$mkpdf_options | grep >/dev/null "\-\-imgdir=$$part "; \
+	    if test $$? != 0; then \
+	      mkpdf_options="$$mkpdf_options --imgdir=$$part"; \
+	    fi; \
+	  done; \
+	fi; \
+	gtkdoc-mkpdf --path="$(abs_srcdir)" $$mkpdf_options $(DOC_MODULE) $(DOC_MAIN_SGML_FILE) $(MKPDF_OPTIONS)
+	$(AM_V_at)touch pdf-build.stamp
+
+##############
+
+clean-local:
+	@rm -f *~ *.bak
+	@rm -rf .libs
+
+distclean-local:
+	@rm -rf xml html $(REPORT_FILES) $(DOC_MODULE).pdf \
+	    $(DOC_MODULE)-decl-list.txt $(DOC_MODULE)-decl.txt
+	@if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \
+	    rm -f $(SETUP_FILES) $(expand_content_files) $(DOC_MODULE).types; \
+	fi
+
+maintainer-clean-local:
+	@rm -rf xml html
+
+install-data-local:
+	@installfiles=`echo $(builddir)/html/*`; \
+	if test "$$installfiles" = '$(builddir)/html/*'; \
+	then echo 1>&2 'Nothing to install' ; \
+	else \
+	  if test -n "$(DOC_MODULE_VERSION)"; then \
+	    installdir="$(DESTDIR)$(TARGET_DIR)-$(DOC_MODULE_VERSION)"; \
+	  else \
+	    installdir="$(DESTDIR)$(TARGET_DIR)"; \
+	  fi; \
+	  $(mkinstalldirs) $${installdir} ; \
+	  for i in $$installfiles; do \
+	    echo ' $(INSTALL_DATA) '$$i ; \
+	    $(INSTALL_DATA) $$i $${installdir}; \
+	  done; \
+	  if test -n "$(DOC_MODULE_VERSION)"; then \
+	    mv -f $${installdir}/$(DOC_MODULE).devhelp2 \
+	      $${installdir}/$(DOC_MODULE)-$(DOC_MODULE_VERSION).devhelp2; \
+	  fi; \
+	  $(GTKDOC_REBASE) --relative --dest-dir=$(DESTDIR) --html-dir=$${installdir}; \
+	fi
+
+uninstall-local:
+	@if test -n "$(DOC_MODULE_VERSION)"; then \
+	  installdir="$(DESTDIR)$(TARGET_DIR)-$(DOC_MODULE_VERSION)"; \
+	else \
+	  installdir="$(DESTDIR)$(TARGET_DIR)"; \
+	fi; \
+	rm -rf $${installdir}
+
+#
+# Require gtk-doc when making dist
+#
+if ENABLE_GTK_DOC
+dist-check-gtkdoc: docs
+else
+dist-check-gtkdoc:
+	@echo "*** gtk-doc must be installed and enabled in order to make dist"
+	@false
+endif
+
+dist-hook: dist-check-gtkdoc dist-hook-local
+	@mkdir $(distdir)/html
+	@cp ./html/* $(distdir)/html
+	@-cp ./$(DOC_MODULE).pdf $(distdir)/
+	@-cp ./$(DOC_MODULE).types $(distdir)/
+	@-cp ./$(DOC_MODULE)-sections.txt $(distdir)/
+	@cd $(distdir) && rm -f $(DISTCLEANFILES)
+	@$(GTKDOC_REBASE) --online --relative --html-dir=$(distdir)/html
+
+.PHONY : dist-hook-local docs
diff --git a/po/ChangeLog b/po/ChangeLog
new file mode 100644
index 0000000..45744d4
--- /dev/null
+++ b/po/ChangeLog
@@ -0,0 +1,12 @@
+2011-02-10  gettextize  
+
+	* Makefile.in.in: New file, from gettext-0.17.
+	* boldquot.sed: New file, from gettext-0.17.
+	* en@boldquot.header: New file, from gettext-0.17.
+	* en@quot.header: New file, from gettext-0.17.
+	* insert-header.sin: New file, from gettext-0.17.
+	* quot.sed: New file, from gettext-0.17.
+	* remove-potcdate.sin: New file, from gettext-0.17.
+	* Rules-quot: New file, from gettext-0.17.
+	* POTFILES.in: New file.
+
diff --git a/po/Makefile.in.in b/po/Makefile.in.in
new file mode 100644
index 0000000..fecf500
--- /dev/null
+++ b/po/Makefile.in.in
@@ -0,0 +1,429 @@
+# Makefile for PO directory in any package using GNU gettext.
+# Copyright (C) 1995-1997, 2000-2007 by Ulrich Drepper 
+#
+# This file can be copied and used freely without restrictions.  It can
+# be used in projects which are not available under the GNU General Public
+# License but which still want to provide support for the GNU gettext
+# functionality.
+# Please note that the actual code of GNU gettext is covered by the GNU
+# General Public License and is *not* in the public domain.
+#
+# Origin: gettext-0.17
+GETTEXT_MACRO_VERSION = 0.17
+
+PACKAGE = @PACKAGE@
+VERSION = @VERSION@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+
+SHELL = /bin/sh
+@SET_MAKE@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+datarootdir = @datarootdir@
+datadir = @datadir@
+localedir = @localedir@
+gettextsrcdir = $(datadir)/gettext/po
+
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+
+# We use $(mkdir_p).
+# In automake <= 1.9.x, $(mkdir_p) is defined either as "mkdir -p --" or as
+# "$(mkinstalldirs)" or as "$(install_sh) -d". For these automake versions,
+# @install_sh@ does not start with $(SHELL), so we add it.
+# In automake >= 1.10, @mkdir_p@ is derived from ${MKDIR_P}, which is defined
+# either as "/path/to/mkdir -p" or ".../install-sh -c -d". For these automake
+# versions, $(mkinstalldirs) and $(install_sh) are unused.
+mkinstalldirs = $(SHELL) @install_sh@ -d
+install_sh = $(SHELL) @install_sh@
+MKDIR_P = @MKDIR_P@
+mkdir_p = @mkdir_p@
+
+GMSGFMT_ = @GMSGFMT@
+GMSGFMT_no = @GMSGFMT@
+GMSGFMT_yes = @GMSGFMT_015@
+GMSGFMT = $(GMSGFMT_$(USE_MSGCTXT))
+MSGFMT_ = @MSGFMT@
+MSGFMT_no = @MSGFMT@
+MSGFMT_yes = @MSGFMT_015@
+MSGFMT = $(MSGFMT_$(USE_MSGCTXT))
+XGETTEXT_ = @XGETTEXT@
+XGETTEXT_no = @XGETTEXT@
+XGETTEXT_yes = @XGETTEXT_015@
+XGETTEXT = $(XGETTEXT_$(USE_MSGCTXT))
+MSGMERGE = msgmerge
+MSGMERGE_UPDATE = @MSGMERGE@ --update
+MSGINIT = msginit
+MSGCONV = msgconv
+MSGFILTER = msgfilter
+
+POFILES = @POFILES@
+GMOFILES = @GMOFILES@
+UPDATEPOFILES = @UPDATEPOFILES@
+DUMMYPOFILES = @DUMMYPOFILES@
+DISTFILES.common = Makefile.in.in remove-potcdate.sin \
+$(DISTFILES.common.extra1) $(DISTFILES.common.extra2) $(DISTFILES.common.extra3)
+DISTFILES = $(DISTFILES.common) Makevars POTFILES.in \
+$(POFILES) $(GMOFILES) \
+$(DISTFILES.extra1) $(DISTFILES.extra2) $(DISTFILES.extra3)
+
+POTFILES = \
+
+CATALOGS = @CATALOGS@
+
+# Makevars gets inserted here. (Don't remove this line!)
+
+.SUFFIXES:
+.SUFFIXES: .po .gmo .mo .sed .sin .nop .po-create .po-update
+
+.po.mo:
+	@echo "$(MSGFMT) -c -o $@ $<"; \
+	$(MSGFMT) -c -o t-$@ $< && mv t-$@ $@
+
+.po.gmo:
+	@lang=`echo $* | sed -e 's,.*/,,'`; \
+	test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+	echo "$${cdcmd}rm -f $${lang}.gmo && $(GMSGFMT) -c --statistics -o $${lang}.gmo $${lang}.po"; \
+	cd $(srcdir) && rm -f $${lang}.gmo && $(GMSGFMT) -c --statistics -o t-$${lang}.gmo $${lang}.po && mv t-$${lang}.gmo $${lang}.gmo
+
+.sin.sed:
+	sed -e '/^#/d' $< > t-$@
+	mv t-$@ $@
+
+
+all: check-macro-version all-@USE_NLS@
+
+all-yes: stamp-po
+all-no:
+
+# Ensure that the gettext macros and this Makefile.in.in are in sync.
+check-macro-version:
+	@test "$(GETTEXT_MACRO_VERSION)" = "@GETTEXT_MACRO_VERSION@" \
+	  || { echo "*** error: gettext infrastructure mismatch: using a Makefile.in.in from gettext version $(GETTEXT_MACRO_VERSION) but the autoconf macros are from gettext version @GETTEXT_MACRO_VERSION@" 1>&2; \
+	       exit 1; \
+	     }
+
+# $(srcdir)/$(DOMAIN).pot is only created when needed. When xgettext finds no
+# internationalized messages, no $(srcdir)/$(DOMAIN).pot is created (because
+# we don't want to bother translators with empty POT files). We assume that
+# LINGUAS is empty in this case, i.e. $(POFILES) and $(GMOFILES) are empty.
+# In this case, stamp-po is a nop (i.e. a phony target).
+
+# stamp-po is a timestamp denoting the last time at which the CATALOGS have
+# been loosely updated. Its purpose is that when a developer or translator
+# checks out the package via CVS, and the $(DOMAIN).pot file is not in CVS,
+# "make" will update the $(DOMAIN).pot and the $(CATALOGS), but subsequent
+# invocations of "make" will do nothing. This timestamp would not be necessary
+# if updating the $(CATALOGS) would always touch them; however, the rule for
+# $(POFILES) has been designed to not touch files that don't need to be
+# changed.
+stamp-po: $(srcdir)/$(DOMAIN).pot
+	test ! -f $(srcdir)/$(DOMAIN).pot || \
+	  test -z "$(GMOFILES)" || $(MAKE) $(GMOFILES)
+	@test ! -f $(srcdir)/$(DOMAIN).pot || { \
+	  echo "touch stamp-po" && \
+	  echo timestamp > stamp-poT && \
+	  mv stamp-poT stamp-po; \
+	}
+
+# Note: Target 'all' must not depend on target '$(DOMAIN).pot-update',
+# otherwise packages like GCC can not be built if only parts of the source
+# have been downloaded.
+
+# This target rebuilds $(DOMAIN).pot; it is an expensive operation.
+# Note that $(DOMAIN).pot is not touched if it doesn't need to be changed.
+$(DOMAIN).pot-update: $(POTFILES) $(srcdir)/POTFILES.in remove-potcdate.sed
+	if LC_ALL=C grep 'GNU @PACKAGE@' $(top_srcdir)/* 2>/dev/null | grep -v 'libtool:' >/dev/null; then \
+	  package_gnu='GNU '; \
+	else \
+	  package_gnu=''; \
+	fi; \
+	if test -n '$(MSGID_BUGS_ADDRESS)' || test '$(PACKAGE_BUGREPORT)' = '@'PACKAGE_BUGREPORT'@'; then \
+	  msgid_bugs_address='$(MSGID_BUGS_ADDRESS)'; \
+	else \
+	  msgid_bugs_address='$(PACKAGE_BUGREPORT)'; \
+	fi; \
+	case `$(XGETTEXT) --version | sed 1q | sed -e 's,^[^0-9]*,,'` in \
+	  '' | 0.[0-9] | 0.[0-9].* | 0.1[0-5] | 0.1[0-5].* | 0.16 | 0.16.[0-1]*) \
+	    $(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
+	      --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) @XGETTEXT_EXTRA_OPTIONS@ \
+	      --files-from=$(srcdir)/POTFILES.in \
+	      --copyright-holder='$(COPYRIGHT_HOLDER)' \
+	      --msgid-bugs-address="$$msgid_bugs_address" \
+	    ;; \
+	  *) \
+	    $(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
+	      --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) @XGETTEXT_EXTRA_OPTIONS@ \
+	      --files-from=$(srcdir)/POTFILES.in \
+	      --copyright-holder='$(COPYRIGHT_HOLDER)' \
+	      --package-name="$${package_gnu}@PACKAGE@" \
+	      --package-version='@VERSION@' \
+	      --msgid-bugs-address="$$msgid_bugs_address" \
+	    ;; \
+	esac
+	test ! -f $(DOMAIN).po || { \
+	  if test -f $(srcdir)/$(DOMAIN).pot; then \
+	    sed -f remove-potcdate.sed < $(srcdir)/$(DOMAIN).pot > $(DOMAIN).1po && \
+	    sed -f remove-potcdate.sed < $(DOMAIN).po > $(DOMAIN).2po && \
+	    if cmp $(DOMAIN).1po $(DOMAIN).2po >/dev/null 2>&1; then \
+	      rm -f $(DOMAIN).1po $(DOMAIN).2po $(DOMAIN).po; \
+	    else \
+	      rm -f $(DOMAIN).1po $(DOMAIN).2po $(srcdir)/$(DOMAIN).pot && \
+	      mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
+	    fi; \
+	  else \
+	    mv $(DOMAIN).po $(srcdir)/$(DOMAIN).pot; \
+	  fi; \
+	}
+
+# This rule has no dependencies: we don't need to update $(DOMAIN).pot at
+# every "make" invocation, only create it when it is missing.
+# Only "make $(DOMAIN).pot-update" or "make dist" will force an update.
+$(srcdir)/$(DOMAIN).pot:
+	$(MAKE) $(DOMAIN).pot-update
+
+# This target rebuilds a PO file if $(DOMAIN).pot has changed.
+# Note that a PO file is not touched if it doesn't need to be changed.
+$(POFILES): $(srcdir)/$(DOMAIN).pot
+	@lang=`echo $@ | sed -e 's,.*/,,' -e 's/\.po$$//'`; \
+	if test -f "$(srcdir)/$${lang}.po"; then \
+	  test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+	  echo "$${cdcmd}$(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot"; \
+	  cd $(srcdir) && $(MSGMERGE_UPDATE) $${lang}.po $(DOMAIN).pot; \
+	else \
+	  $(MAKE) $${lang}.po-create; \
+	fi
+
+
+install: install-exec install-data
+install-exec:
+install-data: install-data-@USE_NLS@
+	if test "$(PACKAGE)" = "gettext-tools"; then \
+	  $(mkdir_p) $(DESTDIR)$(gettextsrcdir); \
+	  for file in $(DISTFILES.common) Makevars.template; do \
+	    $(INSTALL_DATA) $(srcdir)/$$file \
+			    $(DESTDIR)$(gettextsrcdir)/$$file; \
+	  done; \
+	  for file in Makevars; do \
+	    rm -f $(DESTDIR)$(gettextsrcdir)/$$file; \
+	  done; \
+	else \
+	  : ; \
+	fi
+install-data-no: all
+install-data-yes: all
+	$(mkdir_p) $(DESTDIR)$(datadir)
+	@catalogs='$(CATALOGS)'; \
+	for cat in $$catalogs; do \
+	  cat=`basename $$cat`; \
+	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
+	  dir=$(localedir)/$$lang/LC_MESSAGES; \
+	  $(mkdir_p) $(DESTDIR)$$dir; \
+	  if test -r $$cat; then realcat=$$cat; else realcat=$(srcdir)/$$cat; fi; \
+	  $(INSTALL_DATA) $$realcat $(DESTDIR)$$dir/$(DOMAIN).mo; \
+	  echo "installing $$realcat as $(DESTDIR)$$dir/$(DOMAIN).mo"; \
+	  for lc in '' $(EXTRA_LOCALE_CATEGORIES); do \
+	    if test -n "$$lc"; then \
+	      if (cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc 2>/dev/null) | grep ' -> ' >/dev/null; then \
+	        link=`cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc | sed -e 's/^.* -> //'`; \
+	        mv $(DESTDIR)$(localedir)/$$lang/$$lc $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+	        mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	        (cd $(DESTDIR)$(localedir)/$$lang/$$lc.old && \
+	         for file in *; do \
+	           if test -f $$file; then \
+	             ln -s ../$$link/$$file $(DESTDIR)$(localedir)/$$lang/$$lc/$$file; \
+	           fi; \
+	         done); \
+	        rm -f $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+	      else \
+	        if test -d $(DESTDIR)$(localedir)/$$lang/$$lc; then \
+	          :; \
+	        else \
+	          rm -f $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	          mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	        fi; \
+	      fi; \
+	      rm -f $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
+	      ln -s ../LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo 2>/dev/null || \
+	      ln $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo 2>/dev/null || \
+	      cp -p $(DESTDIR)$(localedir)/$$lang/LC_MESSAGES/$(DOMAIN).mo $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
+	      echo "installing $$realcat link as $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo"; \
+	    fi; \
+	  done; \
+	done
+
+install-strip: install
+
+installdirs: installdirs-exec installdirs-data
+installdirs-exec:
+installdirs-data: installdirs-data-@USE_NLS@
+	if test "$(PACKAGE)" = "gettext-tools"; then \
+	  $(mkdir_p) $(DESTDIR)$(gettextsrcdir); \
+	else \
+	  : ; \
+	fi
+installdirs-data-no:
+installdirs-data-yes:
+	$(mkdir_p) $(DESTDIR)$(datadir)
+	@catalogs='$(CATALOGS)'; \
+	for cat in $$catalogs; do \
+	  cat=`basename $$cat`; \
+	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
+	  dir=$(localedir)/$$lang/LC_MESSAGES; \
+	  $(mkdir_p) $(DESTDIR)$$dir; \
+	  for lc in '' $(EXTRA_LOCALE_CATEGORIES); do \
+	    if test -n "$$lc"; then \
+	      if (cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc 2>/dev/null) | grep ' -> ' >/dev/null; then \
+	        link=`cd $(DESTDIR)$(localedir)/$$lang && LC_ALL=C ls -l -d $$lc | sed -e 's/^.* -> //'`; \
+	        mv $(DESTDIR)$(localedir)/$$lang/$$lc $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+	        mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	        (cd $(DESTDIR)$(localedir)/$$lang/$$lc.old && \
+	         for file in *; do \
+	           if test -f $$file; then \
+	             ln -s ../$$link/$$file $(DESTDIR)$(localedir)/$$lang/$$lc/$$file; \
+	           fi; \
+	         done); \
+	        rm -f $(DESTDIR)$(localedir)/$$lang/$$lc.old; \
+	      else \
+	        if test -d $(DESTDIR)$(localedir)/$$lang/$$lc; then \
+	          :; \
+	        else \
+	          rm -f $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	          mkdir $(DESTDIR)$(localedir)/$$lang/$$lc; \
+	        fi; \
+	      fi; \
+	    fi; \
+	  done; \
+	done
+
+# Define this as empty until I found a useful application.
+installcheck:
+
+uninstall: uninstall-exec uninstall-data
+uninstall-exec:
+uninstall-data: uninstall-data-@USE_NLS@
+	if test "$(PACKAGE)" = "gettext-tools"; then \
+	  for file in $(DISTFILES.common) Makevars.template; do \
+	    rm -f $(DESTDIR)$(gettextsrcdir)/$$file; \
+	  done; \
+	else \
+	  : ; \
+	fi
+uninstall-data-no:
+uninstall-data-yes:
+	catalogs='$(CATALOGS)'; \
+	for cat in $$catalogs; do \
+	  cat=`basename $$cat`; \
+	  lang=`echo $$cat | sed -e 's/\.gmo$$//'`; \
+	  for lc in LC_MESSAGES $(EXTRA_LOCALE_CATEGORIES); do \
+	    rm -f $(DESTDIR)$(localedir)/$$lang/$$lc/$(DOMAIN).mo; \
+	  done; \
+	done
+
+check: all
+
+info dvi ps pdf html tags TAGS ctags CTAGS ID:
+
+mostlyclean:
+	rm -f remove-potcdate.sed
+	rm -f stamp-poT
+	rm -f core core.* $(DOMAIN).po $(DOMAIN).1po $(DOMAIN).2po *.new.po
+	rm -fr *.o
+
+clean: mostlyclean
+
+distclean: clean
+	rm -f Makefile Makefile.in POTFILES *.mo
+
+maintainer-clean: distclean
+	@echo "This command is intended for maintainers to use;"
+	@echo "it deletes files that may require special tools to rebuild."
+	rm -f stamp-po $(GMOFILES)
+
+distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
+dist distdir:
+	$(MAKE) update-po
+	@$(MAKE) dist2
+# This is a separate target because 'update-po' must be executed before.
+dist2: stamp-po $(DISTFILES)
+	dists="$(DISTFILES)"; \
+	if test "$(PACKAGE)" = "gettext-tools"; then \
+	  dists="$$dists Makevars.template"; \
+	fi; \
+	if test -f $(srcdir)/$(DOMAIN).pot; then \
+	  dists="$$dists $(DOMAIN).pot stamp-po"; \
+	fi; \
+	if test -f $(srcdir)/ChangeLog; then \
+	  dists="$$dists ChangeLog"; \
+	fi; \
+	for i in 0 1 2 3 4 5 6 7 8 9; do \
+	  if test -f $(srcdir)/ChangeLog.$$i; then \
+	    dists="$$dists ChangeLog.$$i"; \
+	  fi; \
+	done; \
+	if test -f $(srcdir)/LINGUAS; then dists="$$dists LINGUAS"; fi; \
+	for file in $$dists; do \
+	  if test -f $$file; then \
+	    cp -p $$file $(distdir) || exit 1; \
+	  else \
+	    cp -p $(srcdir)/$$file $(distdir) || exit 1; \
+	  fi; \
+	done
+
+update-po: Makefile
+	$(MAKE) $(DOMAIN).pot-update
+	test -z "$(UPDATEPOFILES)" || $(MAKE) $(UPDATEPOFILES)
+	$(MAKE) update-gmo
+
+# General rule for creating PO files.
+
+.nop.po-create:
+	@lang=`echo $@ | sed -e 's/\.po-create$$//'`; \
+	echo "File $$lang.po does not exist. If you are a translator, you can create it through 'msginit'." 1>&2; \
+	exit 1
+
+# General rule for updating PO files.
+
+.nop.po-update:
+	@lang=`echo $@ | sed -e 's/\.po-update$$//'`; \
+	if test "$(PACKAGE)" = "gettext-tools"; then PATH=`pwd`/../src:$$PATH; fi; \
+	tmpdir=`pwd`; \
+	echo "$$lang:"; \
+	test "$(srcdir)" = . && cdcmd="" || cdcmd="cd $(srcdir) && "; \
+	echo "$${cdcmd}$(MSGMERGE) $$lang.po $(DOMAIN).pot -o $$lang.new.po"; \
+	cd $(srcdir); \
+	if $(MSGMERGE) $$lang.po $(DOMAIN).pot -o $$tmpdir/$$lang.new.po; then \
+	  if cmp $$lang.po $$tmpdir/$$lang.new.po >/dev/null 2>&1; then \
+	    rm -f $$tmpdir/$$lang.new.po; \
+	  else \
+	    if mv -f $$tmpdir/$$lang.new.po $$lang.po; then \
+	      :; \
+	    else \
+	      echo "msgmerge for $$lang.po failed: cannot move $$tmpdir/$$lang.new.po to $$lang.po" 1>&2; \
+	      exit 1; \
+	    fi; \
+	  fi; \
+	else \
+	  echo "msgmerge for $$lang.po failed!" 1>&2; \
+	  rm -f $$tmpdir/$$lang.new.po; \
+	fi
+
+$(DUMMYPOFILES):
+
+update-gmo: Makefile $(GMOFILES)
+	@:
+
+Makefile: Makefile.in.in Makevars $(top_builddir)/config.status @POMAKEFILEDEPS@
+	cd $(top_builddir) \
+	  && $(SHELL) ./config.status $(subdir)/$@.in po-directories
+
+force:
+
+# Tell versions [3.59,3.63) of GNU make not to export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/po/Makevars b/po/Makevars
new file mode 100644
index 0000000..e553815
--- /dev/null
+++ b/po/Makevars
@@ -0,0 +1,41 @@
+# Makefile variables for PO directory in any package using GNU gettext.
+
+# Usually the message domain is the same as the package name.
+DOMAIN = $(PACKAGE)
+
+# These two variables depend on the location of this directory.
+subdir = po
+top_builddir = ..
+
+# These options get passed to xgettext.
+XGETTEXT_OPTIONS = --keyword=_ --keyword=N_
+
+# This is the copyright holder that gets inserted into the header of the
+# $(DOMAIN).pot file.  Set this to the copyright holder of the surrounding
+# package.  (Note that the msgstr strings, extracted from the package's
+# sources, belong to the copyright holder of the package.)  Translators are
+# expected to transfer the copyright for their translations to this person
+# or entity, or to disclaim their copyright.  The empty string stands for
+# the public domain; in this case the translators are expected to disclaim
+# their copyright.
+COPYRIGHT_HOLDER = Free Software Foundation, Inc.
+
+# This is the email address or URL to which the translators shall report
+# bugs in the untranslated strings:
+# - Strings which are not entire sentences, see the maintainer guidelines
+#   in the GNU gettext documentation, section 'Preparing Strings'.
+# - Strings which use unclear terms or require additional context to be
+#   understood.
+# - Strings which make invalid assumptions about notation of date, time or
+#   money.
+# - Pluralisation problems.
+# - Incorrect English spelling.
+# - Incorrect formatting.
+# It can be your email address, or a mailing list address where translators
+# can write to without being subscribed, or the URL of a web page through
+# which the translators can contact you.
+MSGID_BUGS_ADDRESS = http://bugzilla.gnome.org/enter_bug.cgi?product=clutter
+
+# This is the list of locale categories, beyond LC_MESSAGES, for which the
+# message catalogs shall be used.  It is usually empty.
+EXTRA_LOCALE_CATEGORIES =
diff --git a/po/POTFILES.in b/po/POTFILES.in
new file mode 100644
index 0000000..749aed0
--- /dev/null
+++ b/po/POTFILES.in
@@ -0,0 +1,3 @@
+# List of source files which contain translatable strings.
+cogl/cogl-debug.c
+cogl/cogl-debug-options.h
diff --git a/po/Rules-quot b/po/Rules-quot
new file mode 100644
index 0000000..9c2a995
--- /dev/null
+++ b/po/Rules-quot
@@ -0,0 +1,47 @@
+# Special Makefile rules for English message catalogs with quotation marks.
+
+DISTFILES.common.extra1 = quot.sed boldquot.sed en@quot.header en@boldquot.header insert-header.sin Rules-quot
+
+.SUFFIXES: .insert-header .po-update-en
+
+en@quot.po-create:
+	$(MAKE) en@quot.po-update
+en@boldquot.po-create:
+	$(MAKE) en@boldquot.po-update
+
+en@quot.po-update: en@quot.po-update-en
+en@boldquot.po-update: en@boldquot.po-update-en
+
+.insert-header.po-update-en:
+	@lang=`echo $@ | sed -e 's/\.po-update-en$$//'`; \
+	if test "$(PACKAGE)" = "gettext"; then PATH=`pwd`/../src:$$PATH; GETTEXTLIBDIR=`cd $(top_srcdir)/src && pwd`; export GETTEXTLIBDIR; fi; \
+	tmpdir=`pwd`; \
+	echo "$$lang:"; \
+	ll=`echo $$lang | sed -e 's/@.*//'`; \
+	LC_ALL=C; export LC_ALL; \
+	cd $(srcdir); \
+	if $(MSGINIT) -i $(DOMAIN).pot --no-translator -l $$ll -o - 2>/dev/null | sed -f $$tmpdir/$$lang.insert-header | $(MSGCONV) -t UTF-8 | $(MSGFILTER) sed -f `echo $$lang | sed -e 's/.*@//'`.sed 2>/dev/null > $$tmpdir/$$lang.new.po; then \
+	  if cmp $$lang.po $$tmpdir/$$lang.new.po >/dev/null 2>&1; then \
+	    rm -f $$tmpdir/$$lang.new.po; \
+	  else \
+	    if mv -f $$tmpdir/$$lang.new.po $$lang.po; then \
+	      :; \
+	    else \
+	      echo "creation of $$lang.po failed: cannot move $$tmpdir/$$lang.new.po to $$lang.po" 1>&2; \
+	      exit 1; \
+	    fi; \
+	  fi; \
+	else \
+	  echo "creation of $$lang.po failed!" 1>&2; \
+	  rm -f $$tmpdir/$$lang.new.po; \
+	fi
+
+en@quot.insert-header: insert-header.sin
+	sed -e '/^#/d' -e 's/HEADER/en@quot.header/g' $(srcdir)/insert-header.sin > en@quot.insert-header
+
+en@boldquot.insert-header: insert-header.sin
+	sed -e '/^#/d' -e 's/HEADER/en@boldquot.header/g' $(srcdir)/insert-header.sin > en@boldquot.insert-header
+
+mostlyclean: mostlyclean-quot
+mostlyclean-quot:
+	rm -f *.insert-header
diff --git a/po/an.gmo b/po/an.gmo
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diff --git a/po/an.po b/po/an.po
new file mode 100644
index 0000000..d9af876
--- /dev/null
+++ b/po/an.po
@@ -0,0 +1,366 @@
+# Aragonese translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# Daniel Martinez Cucalon , 2011.
+# FULL NAME , 2011.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2013-02-18 21:08+0100\n"
+"Last-Translator: Daniel Martinez \n"
+"Language-Team: Aragonese \n"
+"Language: an\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Valors de depuración suportaus:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Valors especials de depuración:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Activa todas as opcions de depuración sin comportamiento"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variables d'entorno adicionals:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Lista d'as extensions de GL separadas por comas que se miran de desactivar"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Omitir a versión de GL que Cogl asumirá que suporta o driver"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Opcions de depuracion de Colg que activar"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Opcions de depuracion de Colg que desactivar"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opcions de Colg"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Amostrar as opcions de Colg"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Rastreo de Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Referencias de CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Depurar problemas de conteo de referencias ta CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Rastriar o troceau de texturas"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "depurar a creyación de troceau de texturas"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Rastriar texturas atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Chestión d'a depuración de texturas atlas"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Rastriar cadenas de mezclau"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Analís de depuración de CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Rastriar diario"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Veyer toda a cheometría que pasa a traviés d'o diario"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Rastriar procesau por lotes"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Amostrar cómo se procesa por lotes a cheometría en o diario"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Rastriar matrices"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Rastriar toda a manipulación de matrices"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Rastriar dibuixau variau"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Rastriar qualques operacions de dibuixau variadas"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Rastriar dibuixau Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Rastriar o dibuixau Pango de Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Rastriar o backend de CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Rastriar o backend d'o mapa de pixels d'a textura de Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualizar"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Esbozar rectanglos"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Adhibir trazos de linias ta toda a cheometría rectangular"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Amostrar trazaus de linias (wireframes)"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Adhibir trazos de linias ta toda a cheometría"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Causa radiz"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Desactivar o procesau por lotes en o diario"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Desactivar o procesau por lotes d'a cheometría en o diario de Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Desactivar os búferes vertex de GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Desactivar l'uso d'obchectos de búfer vertex d'OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Desactivar os búferes de pixel GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Desactivar l'uso d'obchectos de búfer de pixels d'OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Desactivar a transformación de rectas por software"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Usar a GPU ta transformar cheometría rectangular"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Especialista de Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Vulcar atlas d'imachens"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Vulcar cambeos en a textura d'atlas a un fichero d'imachen"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Desactivar os atlas de texturas"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Desactivar l'uso d'atlas de texturas"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Desactivar a compartición d'atlas de texturas entre texto y imachens"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Quan isto ye establiu, a caché de glyph usará siempre una textura separada "
+"ta la suya atlas. D'unatro modo, intentará compartir l'atlas con as imachens."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Desactivar texturizau"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Desactivar o texturizau de qualsiquier primitiva"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Desactivar arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Desactivar l'uso de programas de fragmentos ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Desactivar a función fixa"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Desactivar l'uso d'o backend d'a canyería d'a función fixa"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Desactivar GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Desactivar l'uso de GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Desactivar la mezcla"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Desactivar l'uso de la mezcla"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Desactivar as texturas que no sían potencias de dos"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Fa que Cogl creya que o driver de GL no suporta texturas NPOT, por o que "
+"creyará texturas troceadas u texturas con residuos"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Desactivar rectorte software"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Desactiva os intentos de Cogl de retallar qualques rectanglos en software."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Amostrar fuent"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Amostrar o codigo fuent ARBfp/GLSL chenerau"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Rastriar qualques OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Rastrea qualques gritadas OpenGL seleccionadas"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Rastriar suporte ta difuera d'a pantalla"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Depurar suporte ta difuera d'a pantalla"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Desactivar as cachés d'os programas"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Desactivar as cachés alternativas ta programas arbfp y glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Desactivar optimización de lectura de pixel"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Desactivar a optimización de lectura de 1px ta scenas simplas de rectanglos "
+"opacos"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Rastriar retalles"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Información d'os rechistros sobre cómo implementa Cogl los retalles"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Rastriar problemas de rendimiento"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Intenta resaltar l'uso no optimo de Cogl"
diff --git a/po/ar.gmo b/po/ar.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..63a1541aaf9d1398198b26a6cdbf45377e5c77ed
GIT binary patch
literal 940
zcmb7CJ8#rL5H=8mbfN)?hKDo_p@`PEK3_<1;v|rlA`vA@jwliZ+Os#l1>0+_*TB*7
z5RWt{1^fYupa_t{`)5$D8w!32$btg(K
z3|ZE!jAB^Hw2*1ucS7DSqDZ6>Y{e|fK}*QF{%5R6tLS=1-h*B(c~EOr$=f{8WGN&Y
zT;*8bgP^)BVY%k2w#GB5G+E9g5t3^~l#`b9prdu>)$7>70};o}j#8O$TdJteQ&io;
zfE`3)I#V(%0__KJp{r`ED=jjsIIHF$b4+s&8q{eLI!0&{oTleCN2o(7CXzLNS5*BB
z@*G015b6S@p6iTI7xS)Tm!zdwn#W8_<-yf<$YRAhB7sF47TBGRER=vr)(!=JALBfk
z>9UTLb|8}})TdFwB2HSIC8$=cEdrPfWiZ2#^DfV;u?C4AFjZS#TAm-Q%du%~R^r?#
zw$jaTCe82bdKNR0PC(FM3RmynXf2TOL0;AJ7FT3G4P=Oa(Sz}}(6!aLP%I`3QYE, 2011.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-09-03 00:31+0300\n"
+"Last-Translator: Abdalrahim G. Fakhouri \n"
+"Language-Team: Arabic \n"
+"Language: ar\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 "
+"&& n%100<=10 ? 3 : n%100>=11 ? 4 : 5;\n"
+"X-Generator: Virtaal 0.7.0\n"
+"X-Project-Style: gnome\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "شارات تنقيح جتك+ التي ستُضبط"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "شارات تنقيح جتك+ التي ستُصفّر"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "خيارات Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "أظهر خيارات Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/as.gmo b/po/as.gmo
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diff --git a/po/as.po b/po/as.po
new file mode 100644
index 0000000..30cc520
--- /dev/null
+++ b/po/as.po
@@ -0,0 +1,364 @@
+# Assamese translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+#
+# ngoswami , 2011.
+# Nilamdyuti Goswami , 2011, 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-08 13:28+0530\n"
+"Last-Translator: Nilamdyuti Goswami \n"
+"Language-Team: as_IN \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Lokalize 1.0\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "সমৰ্থিত ডিবাগ মানসমূহ:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "বিশেষ ডিবাগ মানসমূহ:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "সকলো অ-ব্যৱহাৰী ডিভাগ বিকল্পসমূহ সামৰ্থবান কৰে"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "অতিৰিক্ত পৰিৱেশ চলকসমূহ:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "ভাঁও ধৰিবলে GL সম্প্ৰসাৰনসমূহৰ কমা-পৃথকিত তালিকা অসামৰ্থবান কৰা আছে"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "GL সংস্কৰণ যাক Cogl এ ড্ৰাইভাৰে সমৰ্থন কৰিব বুলি ভাবি লব তাক অভাৰৰাইড কৰক"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "সংহতি কৰিবলে Cogl ডিবাগিং ফ্লেগসমূহ"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "অসংহতি কৰিবলে Cogl ডিবাগিং ফ্লেগসমূহ"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl বিকল্পসমূহ"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl বিকল্পসমূহ দেখুৱাওক"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl অনুকৰণ"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject প্ৰসংগসমূহ"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "CoglObjects ৰ বাবে ref গণনা বিষয়সমূহ ডিবাগ কৰক"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "গাঁথনি স্লাইচিং অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "বাং স্লাইচৰ সৃষ্টি ডিবাগ কৰক"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "ভূচিত্ৰাৱলীৰ গাঁথনি অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "গাঁথনি ভূচিত্ৰাৱলী ব্যৱস্থাপনা ডিবাগ কৰক"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "মিশ্ৰণ স্ট্ৰিংসমূহ অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "CoglBlendString বিশ্লেষণ ডিবাগ কৰক"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "আলোচনী অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "আলোচনীৰ সকলো জ্যামিতি দৰ্শন কৰক"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "চাম অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "আলোচনীত কিধৰণে জ্যামিতি চাম কৰা হৈছে দেখুৱাওক"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "আধাৰসমূহ অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "সকলো আধাৰ পৰিবৰ্তন অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "বিভিন্ন অঙ্কণ অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "কিছুমান বিভিন্ন অঙ্কণ কাৰ্যসমূহ অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Pango ৰেণ্ডাৰাৰ অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Cogl Pango ৰেণ্ডাৰাৰ অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "CoglTexturePixmap বেকএণ্ড অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Cogl গাঁথনি pixmap বেকএণ্ড অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "কল্পনা কৰক"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "সাৰাংশ আয়তসমূহ"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "সকলো আয়তীয় জ্যামিতিৰ বাবে তাঁৰ সাৰাংশসমূহ যোগ কৰক"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "তাঁৰফ্ৰেইমসমূহ দেখুৱাওক"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "সকলো জ্যামিতিৰ বাবে তাঁৰ সাৰাংশসমূহ যোগ কৰক"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "মূল কাৰণ"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "আলোচনী চাম অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Cogl আলোচনীত জ্যামিতিৰ চাম অসামৰ্থবান কৰক।"
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "GL শীৰ্ষবিন্দু বাফাৰসমূহ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "OpenGL শীৰ্ষবিন্দু বাফাৰ অবজেক্টসমূহৰ ব্যৱহাৰ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "GL পিক্সেল বাফাৰসমূহৰ ব্যৱহাৰ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "OpenGL পিক্সেল বাফাৰসমূহৰ ব্যৱহাৰ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "চফ্টৱেৰ ৰেক্ট পৰিবৰ্তন অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "আয়তীয় জ্যামিতি পৰিবৰ্তন কৰিবলে GPU ব্যৱহাৰ কৰক"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl বিশেষজ্ঞ"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "ভূচিত্ৰাৱলী ছবিসমূহ ডাম্প কৰক"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "এটা ছবি ফাইললে গাঁথনি ভূচিত্ৰাৱলী পৰিবৰ্তনসমূহ ডাম্প কৰক"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "গাঁথনি ভূচিত্ৰাৱলী অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "গাঁথনি ভূচিত্ৰাৱলীৰ ব্যৱহাৰ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "লিখনী আৰু ছবিসমূহৰ মাজৰ গাঁথনি ভূচিত্ৰাৱলী অংশীদাৰী অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"যেতিয়া ইয়াক সংহতি কৰা হয় গ্লিফ ক্যাশে ইয়াৰ ভূচিত্ৰাৱলীৰ বাবে সদায় এটা পৃথক গাঁথনি "
+"ব্যৱহাৰ কৰিব। নহলে ই ভুচিত্ৰাৱলীক ছবিসমূহৰ সৈতে অংশীদাৰী কৰাৰ চেষ্টা কৰিব।"
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "গাঁথনি অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "কোনো আদিমৰ গাঁথনিকৰণ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "arbfp অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "ARB অংশ প্ৰগ্ৰাসমূহৰ ব্যৱহাৰ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "অসামৰ্থবান ঠিক কৰা হল"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "ঠিক কৰা ফলন পাইপলাইন বেকএণ্ডৰ ব্যৱহাৰ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "GLSL অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "GLSL ৰ ব্যৱহাৰ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "মিশ্ৰণ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "মিশ্ৰণৰ ব্যৱহাৰ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "non-power-of-two গাঁথনি অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Cogl এ ভাৱিবলে লয় যে GL ড্ৰাইভাৰে NPOT গাঁথনি সমৰ্থন নকৰে যাতে ই স্লাইচ্ড গাঁথনি "
+"অথবা আবৰ্জনাৰ সৈতে গাঁথনিসমূহ সৃষ্টি কৰে।"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "চফ্টৱেৰ ক্লিপিং অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "চফ্টৱেৰত কিছুমান আয়ত ক্লিপ কৰাৰ Cogl ৰ চেষ্টা অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "উৎস দেখুৱাওক"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "সৃজন কৰা ARBfp/GLSL উৎস ক'ড দেখুৱাওক"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "কিছুমান OpenGL অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "কিছুমান নিৰ্বাচিত OpenGL কলসমূহ অনুকৰণ কৰে"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "অফস্ক্ৰিণ সমৰ্থন অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "অপস্ক্ৰিন সমৰ্থন ডিবাগ কৰক"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "প্ৰগ্ৰাম ক্যাশসমূহ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "arbfp আৰু glsl প্ৰগ্ৰামসমূহৰ বাবে ফলবেক ক্যাশসমূহ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "পঢ়া পিক্সেল অনুকূলীকৰণ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr "অস্বচ্ছ আয়তসমূহৰ সাধাৰণ ছবিসমূহৰ বাবে 1px পঢ়াৰ অনুকূলীকৰণ অসামৰ্থবান কৰক"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "ক্লিপিং অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Cogl এ কিধৰণে ক্লিপিং প্ৰণয়ন কৰি আছে তাৰ বিষয়ে তথ্য লগ কৰে"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "পৰিৱেশন চিন্তাসমূহ অনুকৰণ কৰক"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "উপ-অনুকূলিত Cogl ব্যৱহাৰ উজ্জ্বলিত কৰে।"
diff --git a/po/ast.gmo b/po/ast.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..87cf58ad4729ef44dbdc637bda456c6e32e0df1f
GIT binary patch
literal 895
zcma)4QEn445M7`M5%B>?d;!w%g+%4eZb;SOG(bpOREa226RQ3p*E`u5dF{pamcj|(
z0B{gE0vF%}d~garnN5fykSby6Y3zM(X5QHQ
z=o*JuS{K;R=PF~*s@$`wg_C$v~sn{$CPIBO616#Tfno>EVWRk3vwwK<4}bexr;`nq?<<%87_X8zdmGGk~yiq
heKji{-c, 2011.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-09-11 18:52+0200\n"
+"Last-Translator: Xandru Armesto \n"
+"Language-Team: Softastur \n"
+"Language: ast\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Virtaal 0.5.2\n"
+"X-Poedit-Language: Asturian\n"
+"X-Poedit-SourceCharset: utf-8\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Opciones de depuración de Cogl qu'activar"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Opciones de depuración de Cogl que desactivar"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opciones de Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Amosar les opciones de Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/be.gmo b/po/be.gmo
new file mode 100644
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zyqVp=a$2~xvDPqR0m16qCjY&kAlS
Ke&IHz2mc3, 2011, 2012.
+# Kasia Bondarava , 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl.master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-26 15:09+0300\n"
+"Last-Translator: Kasia Bondarava \n"
+"Language-Team: Belarusian \n"
+"Language: be\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+"X-Generator: Virtaal 0.7.0\n"
+"X-Project-Style: gnome\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Вядомыя адладачныя значэнні:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Спецыяльныя адладачныя значэнні:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Уключыць усе непаводзінныя адладачныя параметры"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Дадатковыя зменныя асяроддзя:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Спіс GL-пашырэнняў, падзеленых коскамі, якія трэба лічыць адсутнымі"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Падмяніць версію GL, якую, на думку Cogl, падтрымлівае відэадрайвер"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Патрэбныя адладачныя сцяжкі Cogl"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Непатрэбныя адладачныя сцяжкі Cogl"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Опцыі Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Паказаваць опцыі Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Трасіраванне Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Адсылкі CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Адладжваць праблемы з лічэннем спасылак для CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Трасіраваць нарэзку тэкстур"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "адладжваць стварэнне зрэзаў тэкстур"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Трасіраваць атласныя тэкстуры"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Адладжваць кіраванне атласам тэкстур"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Трасіраваць бленд-стрынгі"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Адладжваць разбор CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Трасіраваць журнал"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Праглядаць усе геаметрыі, якія праходзяць праз журнал"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Трасіраваць пакетаванне"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Паказваць, як геаметрыя пакетуецца ў журнале"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Трасіраваць матрыцы"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Трасіраваць усе матрычныя маніпуляцыі"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Трасіраваць рысаванне"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Трасіраваць разнастайныя рысавальныя аперацыі"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Трасіраваць рэндэрны модуль Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Трасіраваць рэндэрны модуль Cogl Pango"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Трасіраваць бэкэнд CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Трасіраваць бэкэнд растравых тэкстур Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Візуалізаваць"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Вылучыць прамавугольнікі"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Дадаць каркас для ўсёй прамавугольнай геаметрыі"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Паказаць каркас"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Дадаць каркас для ўсёй геаметрыі"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Корань праблемы"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Выключыць журнальнае пакетаванне"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Выключыць пакетаванне геаметрыі ў журнале Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Выключыць вяршынныя буферы GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Выключыць выкарыстанне аб'ектаў вяршынных буфераў OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Выключыць піксельныя буферы GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Выключыць выкарыстанне аб'ектаў піксельных буфераў OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Выключыць праграмную трансфармацыю прамавугольнікаў"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Выкарыстоўваць GPU для трансфармацыі прамавугольнай геаметрыі"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Спецыяліст Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Стварыць атласны файл вобразу"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Стварыць файл вобразу са зменамі атласнай тэкстуры"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Выключыць атласаванне тэкстур"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Выключыць выкарыстанне"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+"Выключыць супольнае выкарыстанне атласнай тэкстуры паміж тэкстам і выявамі"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Калі ўключана, кэш гліфаў заўсёды будзе выкарыстоўваць асобную тэкстуру для "
+"яго атласа. Іначай ён паспрабуе супольна выкарыстоўваць атлас з выявамі."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Выключыць тэкстураванне"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Выключыць тэкстураванне любых прымітываў"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Выключыць arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Выключыць выкарыстанне праграм з ARB-фрагментамі"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Выключыць фіксаваны канвеер"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Выключыць выкарыстанне бэкэнда з фіксаваным канвеерам функцый"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Выключыць GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Выключыць выкарыстанне GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Выключыць блендынг"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Выключыць блендынг"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Выключыць тэкстуры не другой ступені"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Прымусіць Cogl думаць, што GL-драйвер не падтрымлівае NPOT-тэкстур, а замест "
+"іх ствараць абрэзаныя тэкстуры ці тэкстуры са смеццем."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Выключыць праграмнае абразанне"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Выключыць спробы Cogl абрэзаць некаторыя прамавугольнікі ў праграмным рэжыме."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Паказаць выточны код"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Паказаць згенераваны выточны код ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Трасіраваць некаторыя функцыі OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Трасіраваць некаторыя выклікі OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Трасіраваць падтрымку пазаэкраннага рэндэрынгу"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Адладжваць падтрымку пазаэкраннага рэндэрынгу"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Выключыць праграмны кэш"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Выключыць дапаможны кэш для праграм arbfp і glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Выключыць аптымізацыю чытання піксела"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Выключыць аптымізацыю для чытання аднаго піксела ў простых сцэнах з "
+"непразрыстымі прамавугольнікамі"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Трасіраваць кліпінг"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Запісваць звесткі аб тым, як Cogl рэалізуе кліпінг"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Трасіраваць для вымярэння прадукцыйнасці"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Спрабуе вызначыць неаптымальнае выкарыстанне Cogl."
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diff --git a/po/bg.po b/po/bg.po
new file mode 100644
index 0000000..34fe0f9
--- /dev/null
+++ b/po/bg.po
@@ -0,0 +1,392 @@
+# Bulgarian translation of cogl po-file.
+# Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+# This file is distributed under the same license as the cogl package.
+# Ivaylo Valkov , 2011, 2012.
+# Alexander Shopov , 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl cogl-1.12\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-10-02 05:27+0300\n"
+"Last-Translator: Alexander Shopov \n"
+"Language-Team: Bulgarian \n"
+"Language: bg\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Поддържани нива на съобщенията за отстраняване на грешки:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Специални нива на съобщенията за отстраняване на грешки:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+"Включване на всички флагове за изчистване на грешки освен тези за поведението"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Допълнителни променливи от обвивката:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Списък с разширения на GL, които Cogl да приема, че липсват"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Изрично задаване на версията на GL, която Cogl да приема, че драйверът "
+"поддържа"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Флагове за изчистване на грешки на cogl, които да се включат"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Флагове за изчистване на грешки на cogl, които да се изключат"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Опции на cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Извеждане на опциите на cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Трасиране на Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Указатели към програмни обекти от вида  „CoglObject“"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+"Съобщения за отстраняване на грешки свързани с отчета на указателите към "
+"програмни обекти от вида „CoglObject“"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Трасиране на разрязването на текстури"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+"Съобщения за отстраняване на грешки свързани със създаването на отрязъци от "
+"текстури"
+
+# Става въпрос за изображения съдържащи всички текстури.
+# https://en.wikipedia.org/wiki/Texture_atlas
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Трасиране на атласите с текстури"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+"Съобщения за отстраняване на грешки свързани с управлението на атласите с "
+"текстури"
+
+# Става въпрос за специален формат низове в cogl, чрез които се задават
+# правилата, на комбиниране на текстурите – събиране, изваждане,
+# умножение и др.  
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Трасиране на смесващите низове"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+"Съобщения за отстраняване на грешки свързани с анализирането на "
+"„CoglBlendString“"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Журнал на трасирането"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Преглед на геометрията, минаваща през журнала"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Трасиране на пакетирането"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Показване на пакетирането за обработка на геометрията в журнала"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Трасиране на матрици"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+"Съобщения за отстраняване на грешки свързани с операциите по обработка на "
+"матриците"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Трасиране на разни функции за изчертаване"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+"Съобщения за отстраняване на грешки свързани с разни операции по изчертаване"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Трасиране на изобразяването чрез Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+"Съобщения за отстраняване на грешки свързани с изобразяването чрез Pango"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+"Трасиране на подсистемата за обработка на текстури в паметта "
+"(CoglTexturePixmap)"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+"Съобщения за отстраняване на грешки свързани с подсистемата на Cogl за "
+"oбработка на текстури в паметта"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Онагледяване"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Очертаване на правоъгълниците"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Очертаване на геометрията по правоъгълници"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Показване на контури"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Очертаване на контурите на всички обекти"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Първопричина"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Изключване на пакетирането в журнала"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Изключване на обработката по пакети на геометрията в журнала на Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Изключване на буферирането на върховете в GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Изключване на обектите за буфериране на върхове в OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Изключване на буферирането на пикселите в GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Изключване на обектите за буфериране на пиксели в OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Изключване на софтуерните трансформации по правоъгълници"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+"Трансформациите по правоъгълници да се извършват от графичния процесор (GPU)"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Инструментариум на Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Записване на изображенията с атласите"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Записване на промените в атласите с текстури във файл"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Изключване на атласите с текстури"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Изключване на използването на атласи с текстури"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+"Изключване на споделянето на атласите с текстури между изображения и текст"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Когато е включено, глифите ще използват отделна текстура като атлас. Когато "
+"е изключено, ще се направи опит за споделяне на атласа с изображенията."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Изключване на текстурите"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Изключване на текстурите за всички обекти"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Изключване програмите на ARB (arbfp)"
+
+# Справка: https://secure.wikimedia.org/wikipedia/en/wiki/ARB_%28GPU_assembly_language%29#ARB_fragment_program
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Спиране на използването на програмите за обработка на фрагменти на ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Спиране на непроменяемите"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Спиране на ползването на ядрото с установени функции"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Изключване на GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Изключване на езика за графични програми на OpenGL (GLSL)"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Изключване на смесването"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Изключване на смесване"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Ползване само на текстури с размери степен на двойката"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Изключването на текстури с размери, които не са степен на двойката. Ще се "
+"използват отрязъци от текстури."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Изключване на софтуерното изрязване"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Изключване на опитите на Cogl да изрязва софтуерно някои правоъгълници"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Показване на кода"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Показване на генерирания код на ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Трасиране на OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Трасиране на определени извиквания на OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Трасиране на поддръжката на буферите извън екрана"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Изчистване на грешките на поддръжката на буферите извън екрана"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Изключване на кеширането на програмите"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Изключване на резервното кеширане на програмите arbfp и glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Изключване на оптимизациите при четене на пиксели"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Изключване на оптимизациите за прочитане на области от по 1 пиксел за прости "
+"сцени с непрозрачни правоъгълници"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Трасиране на изрязването"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Записване на информация как Cogl осъществява изрязването"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Проследяване на проблемите с бързодействието"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Опит за посочване на неоптималното ползване на Cogl."
diff --git a/po/boldquot.sed b/po/boldquot.sed
new file mode 100644
index 0000000..4b937aa
--- /dev/null
+++ b/po/boldquot.sed
@@ -0,0 +1,10 @@
+s/"\([^"]*\)"/“\1”/g
+s/`\([^`']*\)'/‘\1’/g
+s/ '\([^`']*\)' / ‘\1’ /g
+s/ '\([^`']*\)'$/ ‘\1’/g
+s/^'\([^`']*\)' /‘\1’ /g
+s/“”/""/g
+s/“/“/g
+s/”/”/g
+s/‘/‘/g
+s/’/’/g
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diff --git a/po/ca.po b/po/ca.po
new file mode 100644
index 0000000..db88a32
--- /dev/null
+++ b/po/ca.po
@@ -0,0 +1,374 @@
+# Catalan translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# laura_balbastre , 2011.
+# Gil Forcada , 2012.
+# Jordi Serratosa , 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-30 01:07+0200\n"
+"Last-Translator: Gil Forcada \n"
+"Language-Team: Catalan \n"
+"Language: ca\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bits\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Valors de depuració permesos:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Valors de depuració especials:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Habilita totes les opcions de depuració que no tinguin comportament"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variables d'entorn addicionals:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Llista separada per comes amb les extensions de GL que s'ha de fer veure que "
+"estan inhabilitades"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Sobreescriu la versió de GL que la Cogl assumeix que implementa el "
+"controlador"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Senyaladors de depuració de la Cogl a definir"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Senyaladors de depuració de la Cogl dels quals desfer-ne la definició"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opcions de la Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Mostra les opcions de la Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Traçat de la Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Referències a CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Depura problemes de comptadors de referència per CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Traça el tallat de textures"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "depura la creació de talls de textura"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Traça els atles de textures"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Depura la gestió dels atles de textura"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Traça les cadenes de mescla"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Depura l'anàlisi de les CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Traça el diari"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Visualitza tota la geometria que passa a través del diari"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Traça els lots"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Mostra com la geometria és tracta per lots en el diari"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Traça les matrius"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Traça totes les manipulacions de matrius"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Traça els diversos pintats"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Traça algunes operacions de pintat"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Traça el renderitzador de la Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Traça el renderitzador de la Pango de la Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Traça el rerefons de la CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Traça el rerefons de textures del mapa de píxels de la Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualitza"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Rectangles externs"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Afegeix els esquelets de tota la geometria rectangular"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Mostra els esquelets"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Afegeix els esquelets de tota la geometria"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Causa arrel"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Inhabilita el processament per lots del diari"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+"Inhabilita el processament per lots de la geometria en el diari de la Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Inhabilita les memòries intermèdies de vèrtexs de GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Inhabilita l'ús d'objectes de memòria intermèdia de vèrtexs d'OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Inhabilita les memòries intermèdies de píxels de GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Inhabilita l'ús d'objectes de memòria intermèdia de píxels d'OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Inhabilita la transformació rectangular per programari"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Utilitza la GPU per transformar la geometria regular"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Especialista de la Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Bolca les imatges d'atles"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Bolca en un fitxer d'imatge els canvis d'atles de textura"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Inhabilita la cartografia de les textures"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Inhabilita l'ús de cartografia en les textures"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+"Inhabilita la compartició dels atles de textura entre el text i les imatges"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Si s'habilita se separarà sempre la memòria cau de glifs del seu atles. En "
+"cas contrari s'intentarà compartir l'atles amb les seves imatges."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Inhabilita la texturització"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Inhabilita qualsevol primitiva de texturització"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Inhabilita l'arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Inhabilita l'ús de fragments de programa ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Inhabilita els fixos"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Inhabilita l'ús del rerefons del conducte de funció fixa"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Inhabilita el GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Inhabilita l'ús del GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Inhabilita la mescla"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Inhabilita l'ús de la mescla"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Inhabilita les textures que no siguin potència de dos"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Fa que la Cogl cregui que el controlador de GL no permet l'ús de textures "
+"NPOT de manera que crearà textures tallades o textures amb sobrants."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Inhabilita el retall per programari"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Inhabilita els intents de la Cogl de retallar alguns rectangles amb "
+"programari."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Mostra el codi font"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Mostra el codi font generat per ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Traça alguna part de l'OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Traça algunes crides seleccionades de l'OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Traça l'ús fora de pantalla"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Depura l'ús fora de pantalla"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Inhabilita les memòries cau del programa"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Inhabilita les memòries cau de resguard pels programes arbfp i glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Inhabilita l'optimització de lectura de píxels"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Inhabilita l'optimització per llegir 1px d'escenes senzilles de rectangles "
+"opacs"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Traça el tallat"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Registra informació sobre com la Cogl implementa el tallat"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Traça els problemes de rendiment"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Intenta ressaltar utilitzacions no òptimes de la Cogl."
diff --git a/po/ca@valencia.gmo b/po/ca@valencia.gmo
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lVzY`Jc!>eOZ86vZX~e2V-FsWDD^AAR$eW}Wb, 2011.
+# Gil Forcada , 2012.
+# Jordi Serratosa , 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-30 01:07+0200\n"
+"Last-Translator: Gil Forcada \n"
+"Language-Team: Catalan \n"
+"Language: ca-XV\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bits\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Valors de depuració permesos:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Valors de depuració especials:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Habilita totes les opcions de depuració que no tinguen comportament"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variables d'entorn addicionals:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Llista separada per comes amb les extensions de GL que s'ha de fer veure que "
+"estan inhabilitades"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Sobreescriu la versió de GL que la Cogl assumeix que implementa el "
+"controlador"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Senyaladors de depuració de la Cogl a definir"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Senyaladors de depuració de la Cogl dels quals desfer-ne la definició"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opcions de la Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Mostra les opcions de la Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Traçat de la Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Referències a CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Depura problemes de comptadors de referència per CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Traça el tallat de textures"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "depura la creació de talls de textura"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Traça els atles de textures"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Depura la gestió dels atles de textura"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Traça les cadenes de mescla"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Depura l'anàlisi de les CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Traça el diari"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Visualitza tota la geometria que passa a través del diari"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Traça els lots"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Mostra com la geometria és tracta per lots en el diari"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Traça les matrius"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Traça totes les manipulacions de matrius"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Traça els diversos pintats"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Traça algunes operacions de pintat"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Traça el renderitzador de la Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Traça el renderitzador de la Pango de la Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Traça el rerefons de la CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Traça el rerefons de textures del mapa de píxels de la Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualitza"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Rectangles externs"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Afig els esquelets de tota la geometria rectangular"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Mostra els esquelets"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Afig els esquelets de tota la geometria"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Causa arrel"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Inhabilita el processament per lots del diari"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+"Inhabilita el processament per lots de la geometria en el diari de la Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Inhabilita les memòries intermèdies de vèrtexs de GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Inhabilita l'ús d'objectes de memòria intermèdia de vèrtexs d'OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Inhabilita les memòries intermèdies de píxels de GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Inhabilita l'ús d'objectes de memòria intermèdia de píxels d'OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Inhabilita la transformació rectangular per programari"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Utilitza la GPU per transformar la geometria regular"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Especialista de la Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Bolca les imatges d'atles"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Bolca en un fitxer d'imatge els canvis d'atles de textura"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Inhabilita la cartografia de les textures"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Inhabilita l'ús de cartografia en les textures"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+"Inhabilita la compartició dels atles de textura entre el text i les imatges"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Si s'habilita se separarà sempre la memòria cau de glifs del seu atles. En "
+"cas contrari s'intentarà compartir l'atles amb les seues imatges."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Inhabilita la texturització"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Inhabilita qualsevol primitiva de texturització"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Inhabilita l'arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Inhabilita l'ús de fragments de programa ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Inhabilita els fixos"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Inhabilita l'ús del rerefons del conducte de funció fixa"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Inhabilita el GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Inhabilita l'ús del GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Inhabilita la mescla"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Inhabilita l'ús de la mescla"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Inhabilita les textures que no siguen potència de dos"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Fa que la Cogl cregui que el controlador de GL no permet l'ús de textures "
+"NPOT de manera que crearà textures tallades o textures amb sobrants."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Inhabilita el retall per programari"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Inhabilita els intents de la Cogl de retallar alguns rectangles amb "
+"programari."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Mostra el codi font"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Mostra el codi font generat per ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Traça alguna part de l'OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Traça algunes crides seleccionades de l'OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Traça l'ús fora de pantalla"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Depura l'ús fora de pantalla"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Inhabilita les memòries cau del programa"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Inhabilita les memòries cau de resguard pels programes arbfp i glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Inhabilita l'optimització de lectura de píxels"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Inhabilita l'optimització per llegir 1px d'escenes senzilles de rectangles "
+"opacs"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Traça el tallat"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Registra informació sobre com la Cogl implementa el tallat"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Traça els problemes de rendiment"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Intenta ressaltar utilitzacions no òptimes de la Cogl."
diff --git a/po/cogl.pot b/po/cogl.pot
new file mode 100644
index 0000000..1320d0e
--- /dev/null
+++ b/po/cogl.pot
@@ -0,0 +1,358 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR Free Software Foundation, Inc.
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR , YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl 1.18.2\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME \n"
+"Language-Team: LANGUAGE \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=CHARSET\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr ""
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr ""
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr ""
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
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new file mode 100644
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za-iQ4WTnu3p#GLPK#, 2012.
+# Marek Černocký , 2011, 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-10-01 19:41+0200\n"
+"Last-Translator: Marek Černocký \n"
+"Language-Team: Czech \n"
+"Language: cs\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Podporované ladicí hodnoty:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Speciální ladicí hodnoty:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Zapnout všechny ladicí volby, které se netýkají chování"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Dodatečné proměnné prostředí:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Čárkami oddělený seznam rozšíření GL, u kterých se má předstírat, že jsou "
+"vypnutá"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Verzi GL, o které se Cogl domnívá, že ji podporuje ovladač, přepsat na tuto"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Ladicí příznaky Cogl, které se mají nastavit"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Ladicí příznaky Cogl, které se mají zrušit"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Volby Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Zobrazit volby Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Sledování v Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Odkazy CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Ladit problémy s počítáním odkazů pro CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Sledovat plátování textur"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "ladit tvorbu texturových plátů"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Sledovat atlasové textury"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Ladit správu texturového atlasu"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Sledovat mísení řetězců"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Ladit zpracován CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Sledovat žurnál"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Zobrazit veškeré geometrické útvary procházející skrze žurnál"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Sledovat dávkové zpracování"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Sledovat, jak jsou geometrické útvary zpracovány v žurnálu po dávkách"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Sledovat matice"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Sledovat veškerou manipulaci s maticemi"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Sledovat různá kreslení"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Sledovat některé různorodé kreslící operace"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Sledovat vykreslování Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Sledovat vykreslování Cogl Pango"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Sledovat výkonné jádro CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Sledovat výkoné jádro pixmapových textur Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Vizualizovat"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Obrysové obdélníky"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Přidat drátěný obrys ke všem obdélníkům"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Drátěné zobrazení"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Přidat drátěný obrys ke všem útvarům"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Základní věci"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Zakázat dávkové zpracování v žurnálu"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Zakázat dávkové zpracování geometrických útvarů v žurnálu Cogl"
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Vypnout vyrovnávací paměti vertexů GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Vypnout používání objektů vyrovnávacích pamětí vertexů GL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Vypnout vyrovnávací paměti pixelů GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Vypnout používání objektů vyrovnávacích pamětí pixelů GL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Zakázat softwarovou transformaci obdélníků"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Použít grafický adaptér k transformacím obdélníků"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Pro odborníky na Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Ukládat obrázky atlasu"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Ukládat změny texturového atlasu do obrázkového souboru"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Zakázat atlasování textur"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Zakázat tvorbu atlasu z textur"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Zakázat sdílení texturového atlasu mezi textem a obrázky"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Pokud je nastaveno, paměť znaků bude vždy používat oddělenou texturu pro "
+"svůj atlas. V opačném případě se bude snažit sdílet atlas s obrázky."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Zakázat potažení texturami"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Zakázat potažení texturami u všech primitiv"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Zakázat arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Zakázat použití fragmentovacích programů ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Zakázat pevné"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Zakázat použití výkonného jádra s rourou pevných funkcí"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Zakázat GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Zakázat používaní GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Zakázat mísení"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Zakázat použití mísení (blending)"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Zakázat textury typu NPOT"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Cogl bude pracovat, jako by ovladač GL nepodporoval textury s rozměry "
+"různými od mocnin dvojky. Textury se buď rozdělí na pláty nebo bude vznikat "
+"prázdný prostor."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Zakázat softwarové ořezávání"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Zákázat pokusy o softwarový ořez některých obdélníků"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Zobrazit zdrojový kód"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Zobrazit vytvořený zdrojový kód ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Sledovat něco z OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Sledovat některá vybraná volání OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Sledovat podporu mimoobrazovkového vykreslování"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Ladit podporu mimoobrazovkévého vykreslování (offscreen)"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Zakázat mezipaměť programů"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Zakázat nouzovou mezipaměť pro programy arbfp a glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Vypnout optimalizaci čtení pixelu"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Vypnout optimalizaci pro čtení 1 pixelu u jednoduchých scén z neprůhledných "
+"čtyřúhelníků"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Sledovat ořezávání"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Zapisovat informace, jak Cogl provádí ořezy"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Sledovat výkonostní aspekty"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Zkusit zdůraznit suboptimální využití Cogl"
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diff --git a/po/da.po b/po/da.po
new file mode 100644
index 0000000..36f8cb5
--- /dev/null
+++ b/po/da.po
@@ -0,0 +1,370 @@
+# Danish translation for cogl.
+# Copyright (C) 2011-2012 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# Flemming Christensen , 2011.
+# Kenneth Nielsen , 2012.
+# Ask Hjorth Larsen , 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-16 00:17+0200\n"
+"Last-Translator: Ask Hjorth Larsen \n"
+"Language-Team: Danish \n"
+"Language: da\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Understøttede fejlfindingsværdier:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Specielle fejlfindingsværdier:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Aktiverer alle ikke-opførsels-fejlfindingsvalgmuligheder"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Yderligere miljøvariable:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Kommaadskilt liste af GL-udvidelser som vi forestiller os er deaktiveret"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Tilsidesæt GL-versionen som Cogl vil antage at driveren understøtter"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl fejlfindingsflag der skal angives"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl fejlfindingsflag der skal fjernes"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl-tilvalg"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Vis Cogl-tilvalg"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl-sporing"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject-referencer"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Fejlfind referencetællingsproblemer for CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Spor teksturopskæring"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "fejlfind dannelsen af teksturskiver"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Spor atlasteksturer"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Fejlfind tekstur-atlashåndtering"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Spor blanding af strenge"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Fejlfind tolkning af CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Spor journal"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Se al geometri som passerer gennem journalen"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Spor gruppering"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Vis hvordan geometri som passerer gennem journalen grupperes"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Spor matricer"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Spor al matrixmanipulation"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Spor diverse tegneoperationer"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Spor visse generelle tegneoperationer"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Spor Pango-rendering"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Spor Cogls Pango-rendering"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Spor det underliggende CoglTexturePixmap-program"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Spor Cogls underliggende teksturpixmap-program"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualisér"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Omrids rektangler"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Tilføj trådomrids for alle rektangulære geometrier"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Vis trådrammer"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Tilføj trådomrids for alle geometrier"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Underliggende årsag"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Deaktivér journalgruppering"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Deaktivér gruppering af geometri i Cogl-journalen."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Deaktivér GL-hjørnebuffere"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Deaktivér brugen af OpenGL-hjørnebufferobjekter"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Deaktivér GL-pixelbuffere"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Deaktivér brugen af OpenGL-pixelbufferobjekter"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Deaktivér software-rekt.-transformation"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Brug GPU'en til at transformere rektangulær geometri"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl-specialist"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Smid atlasbilleder"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Smid teksturatlasændringer til en billedfil"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Deaktivér teksturatlasering"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Deaktivér brugen af teksturatlasering"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Deaktivér deling af teksturatlasset mellem tekst og billeder"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"NÃ¥r dette er sat, vil glyfcachen altid bruge en separat tekstur til dens "
+"atlas, ellers vil den prøve at dele atlasset med billederne."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Deaktivér teksturering"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Deaktivér teksturering af alle primitive"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Deaktivér arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Deaktivér brugen af ARB-fragmentprogrammer"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Deaktivér fastlåste"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+"Deaktivér brugen af det underliggende datakanalsprogram med fastlåste "
+"funktioner"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Deaktivér GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Deaktivér brugen af GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Deaktivér blanding"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Deaktivér brugen af blanding"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Deaktiver ikke-anden-potens-teksturer"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Får Cogl til at tro at GL-driveren ikke understøtter ikke-anden-potens-"
+"teksturer, så den vil danne teksturer som skiver, eller teksturer med spild "
+"i stedet."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Deaktivér softwareklipning"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Deaktivér Cogls forsøg på at klippe visse rektangler i software."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Vis kilde"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Vis genereret ARBfp/GLSL-kildekode"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Spor OpenGL delvist"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Spor visse udvalgte OpenGL-kald"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Spor uden-for-skærmen-understøttelse"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Fejlfind uden-for-skærmen-understøttelse"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Deaktivér programcacher"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Deaktivér reservecacher for arbfp- og glsl-programmer"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Deaktivér læs-pixel-optimering"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Deaktivér optimering for at læse 1px for simple scener af uigennemsigtige "
+"rektangler"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Spor klipning"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Logger information om hvordan Cogl implementerer klipning"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Ydelsesbekymringer angående spor"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Prøver at fremhæve ikke-optimal brug af Cogl."
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iYK|V{5kf!0VnL!z9WR, 2011, 2012.
+# Viktor Nyberg , 2011.
+# Mario Blättermann , 2012.
+# Christian Kirbach , 2012.
+# Tobias Endrigkeit , 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-23 14:16+0100\n"
+"Last-Translator: Mario Blättermann \n"
+"Language-Team: Deutsch \n"
+"Language: de\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Poedit-Language: German\n"
+"X-Poedit-Country: GERMANY\n"
+"X-Generator: Gtranslator 2.91.5\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Unterstützte Werte zur Fehlerdiagnose:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Spezielle Werte zur Fehlerdiagnose:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+"Alle nicht-verhaltensmäßigen Einstellungen zur Fehlerdiagnose aktivieren"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Zusätzliche Umgebungsvariablen:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Durch Kommata getrennte Liste der GL-Erweiterungen, die als deaktiviert "
+"vorgegeben sind"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Die GL-Version überschreiben, von welcher Cogl annimmt, dass der Treiber sie "
+"unterstützt"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Zu setzende Cogl-Fehlerdiagnose-Flags"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Zurückzusetzende Cogl-Fehlerdiagnose-Flags"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl-Einstellungen"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl-Einstellungen anzeigen"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl-Tracing"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject-Referenzen"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Ref-Counting Probleme for CoglObjects diagnostizieren"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Textur-Slicing verfolgen"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "Die Erstellung von Textur-Scheiben diagnostizieren"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Atlas-Texturen verfolgen"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Textur-Atlas-Verwaltung Diagnostizieren"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Blend-Strings verfolgen"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Verarbeitung von CoglBlendString diagnostizieren"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Journal verfolgen"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Alle Geometrie-Weitergaben durch das Journal anzeigen"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Batching verfolgen"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Anzeigen, wie Geometrie im Journal eingereiht wird"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Matrizen verfolgen"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Alle Matrix-Manipulationen verfolgen"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Zeichnung verfolgen"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Einige Zeichenvorgänge verfolgen"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Pango-Renderer verfolgen"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Den Cogl Pango-Renderer verfolgen"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "CoglTexturePixmap-Backend verfolgen"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Das Cogl Textur-pixmap-Backend verfolgen"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Darstellen"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Rechtecke umranden"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Umrandungen zu allen rechteckigen geometrischen Formen hinzufügen"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Drahtgitter anzeigen"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Umrandungen zu allen geometrischen Formen hinzufügen"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Hauptursache"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Journal-Stapelung ausschalten"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Einreihen von Geometrie im Cogl-Journal deaktivieren."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "GL-Vertex-Puffer deaktivieren"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "OpenGL-Vertex-Pufferobjekte nicht verwenden"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "GL-Pixel-Puffer deaktivieren"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "OpenGL-Pixel-Pufferobjekte nicht verwenden"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Softwaretransformation von Rechtecken deaktivieren"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+"Den Grafikprozessor zur Transformation rechteckiger geometrischer Formen "
+"verwenden"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl-Spezialist"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Atlas-Bilder ausgeben"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Änderungen am Textur-Atlas in eine Bilddatei ausgeben"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Textur-Atlasing ausschalten"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Verwendung des Textur-Atlasing ausschalten"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Teilen des Textur-Atlas zwischen Text und Bildern deaktivieren"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Wenn dies eingestellt ist, wird der Glyph-Zwischenspeicher immer eine "
+"separate Textur für seinen Atlas nutzen. Ansonsten wird versucht, den Atlas "
+"mit den Bildern zu teilen."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Texturierung deaktivieren"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Texturierung jeglicher Primitiven deaktivieren"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "ARBFP deaktivieren"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Verwendung von ARB-Fragment-Programmen deaktivieren"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Fixierte deaktivieren"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Verwendung des Backends für feste Funktions-Pipeline deaktivieren"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "GLSL deaktivieren"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Verwendung von GLSL deaktivieren"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Blending deaktivieren"
+
+# Aus den OpenGL-FAQs:
+# Blending is OpenGL's mechanism for combining color already in the framebuffer with the color of the incoming primitive. The result of this combination is then stored back in the framebuffer.
+# Würde ich als Begriff so lassen.
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Blending nicht verwenden"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Nicht-Zweierpotenz-Texturen deaktivieren"
+
+# Siehe http://developer.gnome.org/cogl/stable/cogl-Textures.html
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Dies führt dazu, dass Cogl denkt, dass der GL-Treiber NPOT-Texturen nicht "
+"unterstützt, sodass es stattdessen geschnittene Texturen oder Texturen mit "
+"Datenmüll erzeugt."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Software-Clipping deaktivieren"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Versuche von Cogl deaktivieren, Rechtecke softwaretechnisch zu beschneiden."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Quelltext anzeigen"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Erstellten ARBFP/GLSL-Quelltext anzeigen"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "OpenGL verfolgen"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Einige OpenGL-Aufrufe verfolgen"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Offscreen-Unterstützung verfolgen"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Offscreen-Unterstützung diagnostizieren"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Programm-Zwischenspeicher deaktivieren"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Rückfall-Zwischenspeicher für arbfp- und glsl-Programme deaktivieren"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Optimierung zum Lesen von Pixeln deaktivieren"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Optimierung zum Lesen von 1px für einfache Szenen mit voll deckenden "
+"Rechtecken deaktivieren"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Clipping verfolgen"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Protokolliert Informationen, wie Cogl Clipping implementiert"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Leistungsbelange verfolgen"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Versucht suboptimale Nutzung von Cogl aufzuzeigen."
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diff --git a/po/el.po b/po/el.po
new file mode 100644
index 0000000..2323df3
--- /dev/null
+++ b/po/el.po
@@ -0,0 +1,374 @@
+# Greek translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# ioza1964 , 2011.
+# Ιωάννης Ζαμπούκας , 2011.
+# Simos Xenitellis , 2011.
+# Κωνσταντίνος Χόρτης , 2012.
+# Kostas Papadimas , 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-26 11:15+0200\n"
+"Last-Translator: Tom Tryfonidis \n"
+"Language-Team: team@gnome.gr\n"
+"Language: el\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Generator: Virtaal 0.6.1\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Υποστηριζόμενες τιμές αποσφαλμάτωσης:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Ειδικές τιμές αποσφαλμάτωσης"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Ενεργοποιεί όλες τις επιλογές μη συμπεριφορικής αποσφαλμάτωσης"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Επιπρόσθετες μεταβλητές περιβάλλοντος"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Λίστα πρόσθετων GL χωρισμένα με κόμματα για να προσποιούνται πως είναι "
+"απενεργοποιημένα"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Παράκαμψη της έκδοσης GL όπου το Cogl θα υποθέσει την υποστήριξη του οδηγού"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Ενεργοποίηση σημαιών αποσφαλμάτωσης Cogl"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Απενεργοποίηση σημαιών αποσφαλμάτωσης Cogl"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Επιλογές Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Εμφάνιση επιλογών Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Εντοπισμός Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Αναφορές του CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Αποσφαλμάτωση αναφορά καταμέτρησης ζητημάτων για το CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Ανίχνευση τεμαχισμoύ Υφής"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "αποσφαλμάτωση της δημιουργίας τεμαχισμoύ υφής"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Ανίχνευση υφών Atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Αποσφαλμάτωση διαχείρισης υφών atlas"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Ανίχνευση Σσυμβολοσειρών Blend"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Αποσφαλμάτωση ανάλυσης CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Ανίχνευση αναφοράς"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Προβολή όλης της γεωμετρίας που διέρχεται από την αναφορά"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Ανίχνευση ουράς ενεργειών"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Προβολή γεωμετρίας της ουράς ενεργειών στην αναφορά"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Ανίχνευση πινάκων"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Εντοπισμός όλων των χειραγωγήσεων πινάκων"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Ανίχνευση διάφορων σχεδίων"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Ανίχνευση διάφορων λειτουργιών σχεδίων"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Ανίχνευση απεικoνιστή Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Ανίχνευση του απεικoνιστή Cogl Pango"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Ανίχνευση συστήματος υποστήριξης CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Ανίχνευση συστήματος υποστήριξης Cogl Texture Pixmap"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Απεικόνιση"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Περίγραμμα ορθογωνίων"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Προσθήκη γραμμικών περιγραμμάτων για όλα τα ορθογώνια"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Εμφάνιση γραμμικών σχημάτων"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Προσθήκη γραμμικών περιγραμμάτων σε όλη τη γεωμετρία"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Βασική αιτία"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Απενεργοποίηση αναφοράς ουράς ενεργειών"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Απενεργοποίηση ουράς ενεργειών γεωμετρίας στην αναφορά Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Απενεργοποίηση ρυθμιστών GL Vertex"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Απενεργοποίηση όλων των ρυθμιστών OpenGL Vertex"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Απενεργοποίηση ρυθμιστών GL Pixel"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Απενεργοποίηση όλων των ρυθμιστών OpenGL Pixel"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Απενεργοποίηση του μετασχηματισμού λογισμικού rect"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Χρήση του GPU για τον μετασχηματισμό της ορθογώνιας γεωμετρίας"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Ειδικός Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Απόρριψη εικόνων atlas"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Απόρριψη αλλαγών των υφών atlas σε αρχείο απεικόνισης"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Απενεργοποίηση ατλαντοποίησης υφών"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Απενεργοποίηση χρήσης της ατλαντοποίησης υφών"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+"Απενεργοποίηση κοινής χρήσης της υφής atlas μεταξύ κειμένου και εικόνων"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Όταν αυτό έχει οριστεί η μνήμη glyph cache θα χρησιμοποιεί μια ξεχωριστή υφή "
+"για atlas. Διαφορετικά, θα προσπαθεί να μοιραστεί το atlas με εικόνες."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Απενεργοποίηση δημιουργίας υφών"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Απενεργοποίηση δημιουργίας υφών των αρχέτυπων"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Απενεργοποίηση arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Απενεργοποίηση χρήσης σκελίδων λογισμικού ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Απενεργοποίηση καθορισμένων"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Απενεργοποίηση χρήσης της καθορισμένης ρουτίνας συστήματος υποστήριξης"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Απενεργοποίηση του GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Απενεργοποίηση χρήσης του GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Απενεργοποίηση blending"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Απενεργοποίηση χρήσης του blending"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Απενεργοποίηση μη-τετραγωνικών υφών"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Κάνει το Cogl να βλέπει ότι ο οδηγός GL δέν υποστηρίζει υφές NOPT ώστε αντ' "
+"αυτού θα δημιουργεί υφές φέτες ή υφές με σκουπίδια."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Απενεργοποίηση περικοπής λογισμικού"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Απενεργοποιεί τις προσπάθειες του cogl να περικόψει κάποια ορθογώνια στο "
+"λογισμικό."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Προβολή πηγής"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Προβολή δημιουργηθέντος πηγαίου κώδικα ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Ανίχνευση OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Ανιχνεύει κάποια OpenGL calls"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Ανίχνευση υποστήριξης offscreen"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Αποσφαλμάτωση υποστήριξης offscreen"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Απενεργοποίηση μνήμης cache προγραμμάτων"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Απενεργοποίηση αναδίπλωσης μνήμης cache για arbfp και glsl προγράμματα"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Απενεργοποίηση βελτιστοποίησης read pixel"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Απενεργοποίηση βελτιστοποίησης για την ανάγνωση 1px για απλές σκηνές "
+"αδιαφανών ορθογωνίων"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Ανίχνευση περικοπών"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Καταγραφή πληροφοριών σχετικά με το πώς το Cogl εφαρμόζει περικοπές"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Ανησυχίες επιδόσεων ανίχνευσης "
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Προσπαθεί να αναδείξει την υποβέλτιστη χρήση του Cogl."
diff --git a/po/en@boldquot.header b/po/en@boldquot.header
new file mode 100644
index 0000000..fedb6a0
--- /dev/null
+++ b/po/en@boldquot.header
@@ -0,0 +1,25 @@
+# All this catalog "translates" are quotation characters.
+# The msgids must be ASCII and therefore cannot contain real quotation
+# characters, only substitutes like grave accent (0x60), apostrophe (0x27)
+# and double quote (0x22). These substitutes look strange; see
+# http://www.cl.cam.ac.uk/~mgk25/ucs/quotes.html
+#
+# This catalog translates grave accent (0x60) and apostrophe (0x27) to
+# left single quotation mark (U+2018) and right single quotation mark (U+2019).
+# It also translates pairs of apostrophe (0x27) to
+# left single quotation mark (U+2018) and right single quotation mark (U+2019)
+# and pairs of quotation mark (0x22) to
+# left double quotation mark (U+201C) and right double quotation mark (U+201D).
+#
+# When output to an UTF-8 terminal, the quotation characters appear perfectly.
+# When output to an ISO-8859-1 terminal, the single quotation marks are
+# transliterated to apostrophes (by iconv in glibc 2.2 or newer) or to
+# grave/acute accent (by libiconv), and the double quotation marks are
+# transliterated to 0x22.
+# When output to an ASCII terminal, the single quotation marks are
+# transliterated to apostrophes, and the double quotation marks are
+# transliterated to 0x22.
+#
+# This catalog furthermore displays the text between the quotation marks in
+# bold face, assuming the VT100/XTerm escape sequences.
+#
diff --git a/po/en@quot.header b/po/en@quot.header
new file mode 100644
index 0000000..a9647fc
--- /dev/null
+++ b/po/en@quot.header
@@ -0,0 +1,22 @@
+# All this catalog "translates" are quotation characters.
+# The msgids must be ASCII and therefore cannot contain real quotation
+# characters, only substitutes like grave accent (0x60), apostrophe (0x27)
+# and double quote (0x22). These substitutes look strange; see
+# http://www.cl.cam.ac.uk/~mgk25/ucs/quotes.html
+#
+# This catalog translates grave accent (0x60) and apostrophe (0x27) to
+# left single quotation mark (U+2018) and right single quotation mark (U+2019).
+# It also translates pairs of apostrophe (0x27) to
+# left single quotation mark (U+2018) and right single quotation mark (U+2019)
+# and pairs of quotation mark (0x22) to
+# left double quotation mark (U+201C) and right double quotation mark (U+201D).
+#
+# When output to an UTF-8 terminal, the quotation characters appear perfectly.
+# When output to an ISO-8859-1 terminal, the single quotation marks are
+# transliterated to apostrophes (by iconv in glibc 2.2 or newer) or to
+# grave/acute accent (by libiconv), and the double quotation marks are
+# transliterated to 0x22.
+# When output to an ASCII terminal, the single quotation marks are
+# transliterated to apostrophes, and the double quotation marks are
+# transliterated to 0x22.
+#
diff --git a/po/en_CA.gmo b/po/en_CA.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..895dbfeabc181ec25cf7247f61312c67f05aae21
GIT binary patch
literal 755
zcmcJN!EV$r5QY~hLW;P+6_AD-2sxW9D`>q0DCt(J#Hy8suNzKKta9@!_Ek8Cr~eiqjxW!SNm*xql^76
wq+?TCV?&>i!}f^|$=vi#7`BhD^&D(>w)Mqm0;^?l%fih9^4pW-|NRhu01I5*HUIzs

literal 0
HcmV?d00001

diff --git a/po/en_CA.po b/po/en_CA.po
new file mode 100644
index 0000000..d236929
--- /dev/null
+++ b/po/en_CA.po
@@ -0,0 +1,358 @@
+# English translations for cogl package.
+# Copyright (C) 2011 THE cogl'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# Tiffany , 2011.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-09-16 19:12-0400\n"
+"Last-Translator: Tiffany Antopolski \n"
+"Language-Team: Canadian English\n"
+"Language: en_CA\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl debugging flags to set"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl debugging flags to unset"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl Options"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Show Cogl options"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/en_GB.gmo b/po/en_GB.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..4a1f8b2bd46266449000938ed8867bc663179358
GIT binary patch
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diff --git a/po/en_GB.po b/po/en_GB.po
new file mode 100644
index 0000000..f644fb4
--- /dev/null
+++ b/po/en_GB.po
@@ -0,0 +1,364 @@
+# British English translation for cogl.
+# Copyright (C) 2011 cogl'S COPYRIGHT HOLDER
+# This file is distributed under the same licence as the cogl package.
+# Bruce Cowan , 2011, 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-05 19:32+0100\n"
+"Last-Translator: Bruce Cowan \n"
+"Language-Team: British English \n"
+"Language: en_GB\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Generator: Virtaal 0.7.1\n"
+"X-Project-Style: gnome\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Supported debug values:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Special debug values:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Enables all non-behavioural debug options"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Additional environment variables:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Comma-separated list of GL extensions to pretend are disabled"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Override the GL version that Cogl will assume the driver supports"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl debugging flags to set"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl debugging flags to unset"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl Options"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Show Cogl options"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl Tracing"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject references"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Debug ref counting issues for CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Trace Texture Slicing"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "debug the creation of texture slices"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Trace Atlas Textures"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Debug texture atlas management"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Trace Blend Strings"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Debug CoglBlendString parsing"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Trace Journal"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "View all the geometry passing through the journal"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Trace Batching"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Show how geometry is being batched in the journal"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Trace matrices"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Trace all matrix manipulation"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Trace Misc Drawing"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Trace some misc drawing operations"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Trace Pango Renderer"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Trace the Cogl Pango renderer"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Trace CoglTexturePixmap backend"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Trace the Cogl texture pixmap backend"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualise"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Outline rectangles"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Add wire outlines for all rectangular geometry"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Show wireframes"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Add wire outlines for all geometry"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Root Cause"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Disable Journal batching"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Disable batching of geometry in the Cogl Journal."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Disable GL Vertex Buffers"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Disable use of OpenGL vertex buffer objects"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Disable GL Pixel Buffers"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Disable use of OpenGL pixel buffer objects"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Disable software rect transform"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Use the GPU to transform rectangular geometry"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl Specialist"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Dump atlas images"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Dump texture atlas changes to an image file"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Disable texture atlasing"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Disable use of texture atlasing"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Disable sharing the texture atlas between text and images"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Disable texturing"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Disable texturing any primitives"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Disable arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Disable use of ARB fragment programs"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Disable fixed"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Disable use of the fixed function pipeline backend"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Disable GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Disable use of GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Disable blending"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Disable use of blending"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Disable non-power-of-two textures"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Disable software clipping"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Disables Cogl's attempts to clip some rectangles in software."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Show source"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Show generated ARBfp/GLSL source code"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Trace some OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Traces some select OpenGL calls"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Trace offscreen support"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Debug offscreen support"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Disable program caches"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Disable fallback caches for arbfp and glsl programs"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Disable read pixel optimisation"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Disable optimisation for reading 1px for simple scenes of opaque rectangles"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Trace clipping"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Logs information about how Cogl is implementing clipping"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Trace performance concerns"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Tries to highlight sub-optimal Cogl usage."
diff --git a/po/eo.gmo b/po/eo.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..83a316e880df3db4fa8f3b756df2397417e3a56e
GIT binary patch
literal 1293
zcma)*&ubhv6vx%p>5olY>W~mho1jn%F-GH=wUfGIZ{yfrr*6F1c()<9pq-ItHiP{z4X$5qF>E!)=QyK!Q-PRJw3hm^z`o1%o)M>9P%yX
z31k-X77_;iV6=Aw{04diUITv_uMfa4pjTix_jJrN@FMgV;1%#CcoqBu{0#gP{Qg5i
z{szBkJ4Dq}HuY-SqpMV!G5CYfaV@Qaj
z0r?a%Jz!FgU?0XukPsVO)b&7kglw2X(cRKZquof!MZYQvsSA3bc;Tow)CvEedzB8m
zo6_;V67=3qcW0t-+dn8Lnit2uvhYi~1M?fLFE-lJ4zn+eh_MJBnTbsY4Ft4g?(
zbgQy7){FdK>kp)>xRR%W>{)XtGS9Yi_CQ#Ngi@M??1tQVVH^7*IA9%D$egWLg=0OF
z(t-D7y0CzhPo+{kDzq7j$k<{*Xq1xU#ijW;iDMYDeQ_j1Jm+>z7T<;`Z6;}RaXxOsZU<4ap5@vp?u||9
zeJhf!BFOYtuV+>47pTMW`;k(hb}5!2-XvPn9{Z@1svi5
zSL?KxN@C4~SyS-rBE>764N9IzTKMzBDHW#C+3vK@%a}xQW5b{x8X=yP$Td9XLaDga
zD>NH$iymnG+S_8w=XN2L17TTPXC}w9r*ye5ed8h9d4Df!AJ+C<_+)e%eO;ZyQN9AN_&$=uo|IcYl3rk4#p)c, 2011, 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-06-07 21:23+0200\n"
+"Last-Translator: Kristjan SCHMIDT \n"
+"Language-Team: Esperanto \n"
+"Language: eo\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Launchpad-Export-Date: 2012-06-07 19:16+0000\n"
+"X-Generator: Launchpad (build 15353)\n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Suptenataj sencimigaj valoroj:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Specialaj sencimigaj valoroj:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Enŝaltotaj sencimig-flagoj de Cogl"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Elŝaltotaj sencimig-flagoj de Cogl"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opcioj de Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Montri la opciojn de Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Bildigi"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Elŝalti teksturadon"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Elŝalti na ARBFP"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Elŝalti na GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Montri fonton"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
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diff --git a/po/es.po b/po/es.po
new file mode 100644
index 0000000..3627547
--- /dev/null
+++ b/po/es.po
@@ -0,0 +1,372 @@
+# Spanish translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# Jorge González , 2011.
+# Daniel Mustieles , 2011, 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-07 20:17+0200\n"
+"Last-Translator: Daniel Mustieles \n"
+"Language-Team: Español \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Generator: Gtranslator 2.91.5\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Valores de depuración soportados:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Valores especiales de depuración:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Activa todas las opciones de depuración sin comportamiento"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variables de entorno adicionales:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Lista de las extensiones de GL separadas por comas que se pretenden "
+"desactivar"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Omitir la versión de GL que Cogl asumirá que soporta el driver"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Opciones de depuración de Cogl que activar"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Opciones de depuración de Cogl que desactivar"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opciones de Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Mostrar las opciones de Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Rastreo de Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Referencias de CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Depurar problemas de conteo de referencias para CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Rastrear el troceado de texturas"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "depurar la creación de troceado de texturas"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Rastrear texturas atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Gestión de la depuración de texturas atlas"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Rastrear cadenas de mezclado"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Análisis de depuración de CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Rastrear diario"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Ver toda la geometría que pasa a través del diario"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Rastrear procesado por lotes"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Mostrar cómo se procesa por lotes la geometría en el diario"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Rastrear matrices"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Rastrear toda la manipulación de matrices"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Rastrear dibujado variado"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Rastrear algunas operaciones de dibujado variadas"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Rastrear dibujado Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Rastrear el dibujado Pango de Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Rastrear el backend de CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Rastrear el «backend» del mapa de píxeles de la textura de Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualizar"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Esbozar rectángulos"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Añadir trazos de líneas para toda la geometría rectangular"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Mostrar trazados de líneas (wireframes)"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Añadir trazos de líneas para toda la geometría"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Causa raíz"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Desactivar el procesado por lotes en el diario"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+"Desactivar el procesado por lotes de la geometría en el diario de Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Desactivar los búferes vertex de GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Desactivar el uso de objetos de búfer vertex de OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Desactivar los búferes de píxel GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Desactivar el uso de objetos de búfer de píxeles de OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Desactivar la transformación de rectas por software"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Usar la GPU para transformar geometría rectangular"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Especialista de Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Volcar atlas de imágenes"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Volcar cambios en la textura de atlas a un archivo de imagen"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Desactivar los atlas de texturas"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Desactivar el uso de atlas de texturas"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Desactivar la compartición de atlas de texturas entre texto e imágenes"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Cuando esto está establecido, la caché de glyph usará siempre una textura "
+"separada para su atlas. De otro modo, intentará compartir el atlas con las "
+"imágenes."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Desactivar texturizado"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Desactivar el texturizado de cualquier primitiva"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Desactivar arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Desactivar el uso de programas de fragmentos ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Desactivar la función fija"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Desactivar el uso del «backend» de la tubería de la función fija"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Desactivar GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Desactivar el uso de GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Desactivar la mezcla"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Desactivar el uso de la mezcla"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Desactivar las texturas que no sean potencias de dos"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Hace que Cogl crea que el driver de GL no soporta texturas NPOT, por lo que "
+"creará texturas troceadas o texturas con residuos"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Desactivar rectorte software"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Desactiva los intentos de Cogl de recortar algunos rectángulos en software."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Mostrar fuente"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Mostrar el código fuente ARBfp/GLSL generado"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Rastrear algunas OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Rastrea algunas llamadas OpenGL seleccionadas"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Rastrear soporte para fuera de la pantalla"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Depurar soporte para fuera de la pantalla"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Desactivar las cachés de los programas"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Desactivar las cachés alternativas para programas arbfp y glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Desactivar optimización de lectura de píxel"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Desactivar la optimización de lectura de 1px para escenas simples de "
+"rectángulos opacos"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Rastrear recortes"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+"Información de los registros acerca de cómo implementa Cogl los recortes"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Rastrear problemas de rendimiento"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Intenta resaltar el uso no óptimo de Cogl"
diff --git a/po/eu.gmo b/po/eu.gmo
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+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl 2.0.0\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-02 19:02+0800\n"
+"Last-Translator: Chao-Hsiung Liao \n"
+"Language-Team: Chinese (Taiwan) \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "支援的除錯數值："
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "特殊的除錯數值："
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "啟用所有非行為性的除錯選項"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "額外的環境變數："
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "準備停用的 GL 擴充功能清單 (以逗號分隔)"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "覆蓋 Cogl 假設驅動程式會支援的 GL 版本"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "準備設定的 Cogl 偵錯旗標"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "準備去除的 Cogl 偵錯旗標"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl 選項"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "顯示 Cogl 選項"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl 追蹤"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject 參照"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "CoglObjects 的除錯參考持續問題"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "追蹤材質切割"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "材質切割建立的除錯"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "追蹤圖集材質"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "除錯材質圖集管理"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "追蹤混合字串"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "除錯 CoglBlendString 解析"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "追蹤日誌"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "檢視所有通過日誌的位置大小"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "追蹤批次"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "顯示日誌中批次的幾何大小如何"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "追蹤矩陣"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "追蹤所有的矩陣操作"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "追蹤雜項繪製"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "追蹤某些繪製操作"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "追蹤 Pango 繪製器"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "追蹤 Cogl Pango 繪製器"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "追蹤 CoglTexturePixmap 後端"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "追蹤 Cogl Pango 材質點陣圖後端"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "視覺化"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "矩形外框"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "為所有的矩形位置大小加入線框"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "顯示線框"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "為所有的位置大小加入線框"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "根本原因"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "停用日誌批次"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "停用 Cogl 日誌中位置大小的批次。"
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "停用 GL 頂端緩衝區"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "停用 OpenGL 頂端緩衝區物件的使用"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "停用 GL 像素緩衝區"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "停用 OpenGL 像素緩衝區物件的使用"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "停用軟體矩形變形"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "使用 GPU 來轉變矩形位置大小"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl 專家"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "傾印圖集影像"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "將材質圖集變更傾印到影像檔案"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "停用材質圖集"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "停用材質圖集的使用"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "停用在文字與影像間分享材質圖集"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"當這些設為圖表快取將會永遠為個別材質使用圖集。否則它會嘗試與影像分享圖集。"
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "停用材質"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "停用任何原型的材質"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "停用 arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "停用 ARB 片段程式的使用"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "停用修正"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "停用修正函式導管後端的使用"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "停用 GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "停用 GLSL的使用"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "停用混合"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "停用混合的使用"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "停用 non-power-of-two 材質"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"讓 Cogl 認為 GL 驅動程式不支援 NPOT 材質，如此它會建立切割的材質或耗費的材質"
+"來代替。"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "停用軟體剪裁"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "停用 Cogl 在軟體中嘗試剪裁某些矩形。"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "顯示來源"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "顯示產生的 ARBfp/GLSL 原始碼"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "追蹤某些 OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "追蹤某些選取的 OpenGL 呼叫"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "追蹤螢幕外支援"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "除錯螢幕外支援"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "停用程式快取"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "停用 arbfp 和 glsl 程式的後備快取"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "停用讀取像素最佳化"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr "停用不透明矩形的簡單場景讀取 1px 的最佳化"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "追蹤剪裁"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "關於 Cogl 如何實作剪裁的紀錄資訊"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "追縱效能重視"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "嘗試突顯次要最佳化 Cogl 使用率。"
diff --git a/test-fixtures/Makefile.am b/test-fixtures/Makefile.am
new file mode 100644
index 0000000..332c5ee
--- /dev/null
+++ b/test-fixtures/Makefile.am
@@ -0,0 +1,25 @@
+
+noinst_LTLIBRARIES = libtest-fixtures.la
+
+libtest_fixtures_la_CPPFLAGS = \
+	-I$(top_srcdir) \
+	-I$(top_builddir)/cogl \
+	-Wall \
+	$(NULL)
+
+if !USE_GLIB
+libtest_fixtures_la_CPPFLAGS += -I$(top_builddir)/deps/glib
+endif
+
+libtest_fixtures_la_CPPFLAGS += \
+	-DCOGL_DISABLE_DEPRECATED \
+	-DTESTS_DATADIR=\""$(top_srcdir)/tests/data"\" \
+	-DCOGL_COMPILATION
+
+libtest_fixtures_la_CFLAGS = -g3 -O0 $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS)
+
+libtest_fixtures_la_SOURCES = \
+	test-unit.h \
+	test-utils.h \
+	test-utils.c
+
diff --git a/test-fixtures/Makefile.in b/test-fixtures/Makefile.in
new file mode 100644
index 0000000..1f8ec9f
--- /dev/null
+++ b/test-fixtures/Makefile.in
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+	  echo rm -f $${locs}; \
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+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
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+	    || exit 1; \
+	  fi; \
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+	fi
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diff --git a/test-fixtures/test-unit.h b/test-fixtures/test-unit.h
new file mode 100644
index 0000000..270a941
--- /dev/null
+++ b/test-fixtures/test-unit.h
@@ -0,0 +1,31 @@
+#ifndef _TEST_UNIT_H_
+#define _TEST_UNIT_H_
+
+#include 
+
+#ifdef ENABLE_UNIT_TESTS
+
+typedef struct _CoglUnitTest
+{
+  const char *name;
+  TestFlags requirement_flags;
+  TestFlags known_failure_flags;
+  void (*run) (void);
+} CoglUnitTest;
+
+#define UNIT_TEST(NAME, REQUIREMENT_FLAGS, KNOWN_FAILURE_FLAGS) \
+  static void NAME (void); \
+  \
+  const CoglUnitTest unit_test_##NAME = \
+  { #NAME, REQUIREMENT_FLAGS, KNOWN_FAILURE_FLAGS, NAME }; \
+  \
+  static void NAME (void)
+
+#else /* ENABLE_UNIT_TESTS */
+
+#define UNIT_TEST(NAME, REQUIREMENT_FLAGS, KNOWN_FAILURE_FLAGS) \
+  static inline void NAME (void)
+
+#endif /* ENABLE_UNIT_TESTS */
+
+#endif /* _TEST_UNIT_H_ */
diff --git a/test-fixtures/test-utils.c b/test-fixtures/test-utils.c
new file mode 100644
index 0000000..59e3fd8
--- /dev/null
+++ b/test-fixtures/test-utils.c
@@ -0,0 +1,535 @@
+#include 
+
+#include 
+
+#include "test-unit.h"
+#include "test-utils.h"
+
+#define FB_WIDTH 512
+#define FB_HEIGHT 512
+
+static CoglBool cogl_test_is_verbose;
+
+CoglContext *test_ctx;
+CoglFramebuffer *test_fb;
+
+static CoglBool
+check_flags (TestFlags flags,
+             CoglRenderer *renderer)
+{
+  if (flags & TEST_REQUIREMENT_GL &&
+      cogl_renderer_get_driver (renderer) != COGL_DRIVER_GL &&
+      cogl_renderer_get_driver (renderer) != COGL_DRIVER_GL3)
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_NPOT &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_NPOT))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_TEXTURE_3D &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_3D))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_TEXTURE_RECTANGLE &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_RECTANGLE))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_TEXTURE_RG &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_RG))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_POINT_SPRITE &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_POINT_SPRITE))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_PER_VERTEX_POINT_SIZE &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_PER_VERTEX_POINT_SIZE))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_GLES2_CONTEXT &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_GLES2_CONTEXT))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_MAP_WRITE &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_MAP_BUFFER_FOR_WRITE))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_GLSL &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_GLSL))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_OFFSCREEN &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_OFFSCREEN))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_REQUIREMENT_FENCE &&
+      !cogl_has_feature (test_ctx, COGL_FEATURE_ID_FENCE))
+    {
+      return FALSE;
+    }
+
+  if (flags & TEST_KNOWN_FAILURE)
+    {
+      return FALSE;
+    }
+
+  return TRUE;
+}
+
+CoglBool
+is_boolean_env_set (const char *variable)
+{
+  char *val = getenv (variable);
+  CoglBool ret;
+
+  if (!val)
+    return FALSE;
+
+  if (g_ascii_strcasecmp (val, "1") == 0 ||
+      g_ascii_strcasecmp (val, "on") == 0 ||
+      g_ascii_strcasecmp (val, "true") == 0)
+    ret = TRUE;
+  else if (g_ascii_strcasecmp (val, "0") == 0 ||
+           g_ascii_strcasecmp (val, "off") == 0 ||
+           g_ascii_strcasecmp (val, "false") == 0)
+    ret = FALSE;
+  else
+    {
+      g_critical ("Spurious boolean environment variable value (%s=%s)",
+                  variable, val);
+      ret = TRUE;
+    }
+
+  return ret;
+}
+
+void
+test_utils_init (TestFlags requirement_flags,
+                 TestFlags known_failure_flags)
+{
+  static int counter = 0;
+  CoglError *error = NULL;
+  CoglOnscreen *onscreen = NULL;
+  CoglDisplay *display;
+  CoglRenderer *renderer;
+  CoglBool missing_requirement;
+  CoglBool known_failure;
+
+  if (counter != 0)
+    g_critical ("We don't support running more than one test at a time\n"
+                "in a single test run due to the state leakage that can\n"
+                "cause subsequent tests to fail.\n"
+                "\n"
+                "If you want to run all the tests you should run\n"
+                "$ make test-report");
+  counter++;
+
+  if (is_boolean_env_set ("COGL_TEST_VERBOSE") ||
+      is_boolean_env_set ("V"))
+    cogl_test_is_verbose = TRUE;
+
+  /* NB: This doesn't have any effect since commit 47444dac of glib
+   * because the environment variable is read in a magic constructor
+   * so it is too late to set them here */
+  if (g_getenv ("G_DEBUG"))
+    {
+      char *debug = g_strconcat (g_getenv ("G_DEBUG"), ",fatal-warnings", NULL);
+      g_setenv ("G_DEBUG", debug, TRUE);
+      g_free (debug);
+    }
+  else
+    g_setenv ("G_DEBUG", "fatal-warnings", TRUE);
+
+  g_setenv ("COGL_X11_SYNC", "1", 0);
+
+  test_ctx = cogl_context_new (NULL, &error);
+  if (!test_ctx)
+    g_critical ("Failed to create a CoglContext: %s", error->message);
+
+  display = cogl_context_get_display (test_ctx);
+  renderer = cogl_display_get_renderer (display);
+
+  missing_requirement = !check_flags (requirement_flags, renderer);
+  known_failure = !check_flags (known_failure_flags, renderer);
+
+  if (is_boolean_env_set ("COGL_TEST_ONSCREEN"))
+    {
+      onscreen = cogl_onscreen_new (test_ctx, 640, 480);
+      test_fb = COGL_FRAMEBUFFER (onscreen);
+    }
+  else
+    {
+      CoglOffscreen *offscreen;
+      CoglTexture2D *tex = cogl_texture_2d_new_with_size (test_ctx,
+                                                          FB_WIDTH, FB_HEIGHT);
+      offscreen = cogl_offscreen_new_with_texture (COGL_TEXTURE (tex));
+      test_fb = COGL_FRAMEBUFFER (offscreen);
+    }
+
+  if (!cogl_framebuffer_allocate (test_fb, &error))
+    g_critical ("Failed to allocate framebuffer: %s", error->message);
+
+  if (onscreen)
+    cogl_onscreen_show (onscreen);
+
+  cogl_framebuffer_clear4f (test_fb,
+                            COGL_BUFFER_BIT_COLOR |
+                            COGL_BUFFER_BIT_DEPTH |
+                            COGL_BUFFER_BIT_STENCIL,
+                            0, 0, 0, 1);
+
+  if (missing_requirement)
+    g_print ("WARNING: Missing required feature[s] for this test\n");
+  else if (known_failure)
+    g_print ("WARNING: Test is known to fail\n");
+}
+
+void
+test_utils_fini (void)
+{
+  if (test_fb)
+    cogl_object_unref (test_fb);
+
+  if (test_ctx)
+    cogl_object_unref (test_ctx);
+}
+
+static CoglBool
+compare_component (int a, int b)
+{
+  return ABS (a - b) <= 1;
+}
+
+void
+test_utils_compare_pixel_and_alpha (const uint8_t *screen_pixel,
+                                    uint32_t expected_pixel)
+{
+  /* Compare each component with a small fuzz factor */
+  if (!compare_component (screen_pixel[0], expected_pixel >> 24) ||
+      !compare_component (screen_pixel[1], (expected_pixel >> 16) & 0xff) ||
+      !compare_component (screen_pixel[2], (expected_pixel >> 8) & 0xff) ||
+      !compare_component (screen_pixel[3], (expected_pixel >> 0) & 0xff))
+    {
+      uint32_t screen_pixel_num = GUINT32_FROM_BE (*(uint32_t *) screen_pixel);
+      char *screen_pixel_string =
+        g_strdup_printf ("#%08x", screen_pixel_num);
+      char *expected_pixel_string =
+        g_strdup_printf ("#%08x", expected_pixel);
+
+      g_assert_cmpstr (screen_pixel_string, ==, expected_pixel_string);
+
+      g_free (screen_pixel_string);
+      g_free (expected_pixel_string);
+    }
+}
+
+void
+test_utils_compare_pixel (const uint8_t *screen_pixel, uint32_t expected_pixel)
+{
+  /* Compare each component with a small fuzz factor */
+  if (!compare_component (screen_pixel[0], expected_pixel >> 24) ||
+      !compare_component (screen_pixel[1], (expected_pixel >> 16) & 0xff) ||
+      !compare_component (screen_pixel[2], (expected_pixel >> 8) & 0xff))
+    {
+      uint32_t screen_pixel_num = GUINT32_FROM_BE (*(uint32_t *) screen_pixel);
+      char *screen_pixel_string =
+        g_strdup_printf ("#%06x", screen_pixel_num >> 8);
+      char *expected_pixel_string =
+        g_strdup_printf ("#%06x", expected_pixel >> 8);
+
+      g_assert_cmpstr (screen_pixel_string, ==, expected_pixel_string);
+
+      g_free (screen_pixel_string);
+      g_free (expected_pixel_string);
+    }
+}
+
+void
+test_utils_check_pixel (CoglFramebuffer *test_fb,
+                        int x, int y, uint32_t expected_pixel)
+{
+  uint8_t pixel[4];
+
+  cogl_framebuffer_read_pixels (test_fb,
+                                x, y, 1, 1,
+                                COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                pixel);
+
+  test_utils_compare_pixel (pixel, expected_pixel);
+}
+
+void
+test_utils_check_pixel_and_alpha (CoglFramebuffer *test_fb,
+                                  int x, int y, uint32_t expected_pixel)
+{
+  uint8_t pixel[4];
+
+  cogl_framebuffer_read_pixels (test_fb,
+                                x, y, 1, 1,
+                                COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                pixel);
+
+  test_utils_compare_pixel_and_alpha (pixel, expected_pixel);
+}
+
+void
+test_utils_check_pixel_rgb (CoglFramebuffer *test_fb,
+                            int x, int y, int r, int g, int b)
+{
+  test_utils_check_pixel (test_fb, x, y, (r << 24) | (g << 16) | (b << 8));
+}
+
+void
+test_utils_check_region (CoglFramebuffer *test_fb,
+                         int x, int y,
+                         int width, int height,
+                         uint32_t expected_rgba)
+{
+  uint8_t *pixels, *p;
+
+  pixels = p = g_malloc (width * height * 4);
+  cogl_framebuffer_read_pixels (test_fb,
+                                x,
+                                y,
+                                width,
+                                height,
+                                COGL_PIXEL_FORMAT_RGBA_8888,
+                                p);
+
+  /* Check whether the center of each division is the right color */
+  for (y = 0; y < height; y++)
+    for (x = 0; x < width; x++)
+      {
+        test_utils_compare_pixel (p, expected_rgba);
+        p += 4;
+      }
+
+  g_free (pixels);
+}
+
+CoglTexture *
+test_utils_create_color_texture (CoglContext *context,
+                                 uint32_t color)
+{
+  CoglTexture2D *tex_2d;
+
+  color = GUINT32_TO_BE (color);
+
+  tex_2d = cogl_texture_2d_new_from_data (context,
+                                          1, 1, /* width/height */
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          4, /* rowstride */
+                                          (uint8_t *) &color,
+                                          NULL);
+
+  return COGL_TEXTURE (tex_2d);
+}
+
+CoglBool
+cogl_test_verbose (void)
+{
+  return cogl_test_is_verbose;
+}
+
+static void
+set_auto_mipmap_cb (CoglTexture *sub_texture,
+                    const float *sub_texture_coords,
+                    const float *meta_coords,
+                    void *user_data)
+{
+  cogl_primitive_texture_set_auto_mipmap (COGL_PRIMITIVE_TEXTURE (sub_texture),
+                                          FALSE);
+}
+
+CoglTexture *
+test_utils_texture_new_with_size (CoglContext *ctx,
+                                  int width,
+                                  int height,
+                                  TestUtilsTextureFlags flags,
+                                  CoglTextureComponents components)
+{
+  CoglTexture *tex;
+  CoglError *skip_error = NULL;
+
+  if ((test_utils_is_pot (width) && test_utils_is_pot (height)) ||
+      (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) &&
+       cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP)))
+    {
+      /* First try creating a fast-path non-sliced texture */
+      tex = COGL_TEXTURE (cogl_texture_2d_new_with_size (ctx,
+                                                         width, height));
+
+      cogl_texture_set_components (tex, components);
+
+      if (!cogl_texture_allocate (tex, &skip_error))
+        {
+          cogl_error_free (skip_error);
+          cogl_object_unref (tex);
+          tex = NULL;
+        }
+    }
+  else
+    tex = NULL;
+
+  if (!tex)
+    {
+      /* If it fails resort to sliced textures */
+      int max_waste = flags & TEST_UTILS_TEXTURE_NO_SLICING ?
+        -1 : COGL_TEXTURE_MAX_WASTE;
+      CoglTexture2DSliced *tex_2ds =
+        cogl_texture_2d_sliced_new_with_size (ctx,
+                                              width,
+                                              height,
+                                              max_waste);
+      tex = COGL_TEXTURE (tex_2ds);
+
+      cogl_texture_set_components (tex, components);
+    }
+
+  if (flags & TEST_UTILS_TEXTURE_NO_AUTO_MIPMAP)
+    {
+      /* To be able to iterate the slices of a #CoglTexture2DSliced we
+       * need to ensure the texture is allocated... */
+      cogl_texture_allocate (tex, NULL); /* don't catch exceptions */
+
+      cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (tex),
+                                           0, 0, 1, 1,
+                                           COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
+                                           COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
+                                           set_auto_mipmap_cb,
+                                           NULL); /* don't catch exceptions */
+    }
+
+  cogl_texture_allocate (tex, NULL);
+
+  return tex;
+}
+
+CoglTexture *
+test_utils_texture_new_from_bitmap (CoglBitmap *bitmap,
+                                    TestUtilsTextureFlags flags,
+                                    CoglBool premultiplied)
+{
+  CoglAtlasTexture *atlas_tex;
+  CoglTexture *tex;
+  CoglError *internal_error = NULL;
+
+  if (!flags)
+    {
+      /* First try putting the texture in the atlas */
+      atlas_tex = cogl_atlas_texture_new_from_bitmap (bitmap);
+
+      cogl_texture_set_premultiplied (COGL_TEXTURE (atlas_tex), premultiplied);
+
+      if (cogl_texture_allocate (COGL_TEXTURE (atlas_tex), &internal_error))
+        return COGL_TEXTURE (atlas_tex);
+
+      cogl_error_free (internal_error);
+      cogl_object_unref (atlas_tex);
+      internal_error = NULL;
+    }
+
+  /* If that doesn't work try a fast path 2D texture */
+  if ((test_utils_is_pot (cogl_bitmap_get_width (bitmap)) &&
+       test_utils_is_pot (cogl_bitmap_get_height (bitmap))) ||
+      (cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) &&
+       cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP)))
+    {
+      tex = COGL_TEXTURE (cogl_texture_2d_new_from_bitmap (bitmap));
+
+      cogl_texture_set_premultiplied (tex, premultiplied);
+
+      if (cogl_error_matches (internal_error,
+                              COGL_SYSTEM_ERROR,
+                              COGL_SYSTEM_ERROR_NO_MEMORY))
+        {
+          g_assert_not_reached ();
+          return NULL;
+        }
+
+      if (!tex)
+        {
+          cogl_error_free (internal_error);
+          internal_error = NULL;
+        }
+    }
+  else
+    tex = NULL;
+
+  if (!tex)
+    {
+      /* Otherwise create a sliced texture */
+      int max_waste = flags & TEST_UTILS_TEXTURE_NO_SLICING ?
+        -1 : COGL_TEXTURE_MAX_WASTE;
+      CoglTexture2DSliced *tex_2ds =
+        cogl_texture_2d_sliced_new_from_bitmap (bitmap, max_waste);
+      tex = COGL_TEXTURE (tex_2ds);
+
+      cogl_texture_set_premultiplied (tex, premultiplied);
+    }
+
+  if (flags & TEST_UTILS_TEXTURE_NO_AUTO_MIPMAP)
+    {
+      cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (tex),
+                                           0, 0, 1, 1,
+                                           COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
+                                           COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
+                                           set_auto_mipmap_cb,
+                                           NULL); /* don't catch exceptions */
+    }
+
+  cogl_texture_allocate (tex, NULL);
+
+  return tex;
+}
+
+CoglTexture *
+test_utils_texture_new_from_data (CoglContext *ctx,
+                                  int width,
+                                  int height,
+                                  TestUtilsTextureFlags flags,
+                                  CoglPixelFormat format,
+                                  int rowstride,
+                                  const uint8_t *data)
+{
+  CoglBitmap *bmp;
+  CoglTexture *tex;
+
+  g_assert_cmpint (format, !=, COGL_PIXEL_FORMAT_ANY);
+  g_assert (data != NULL);
+
+  /* Wrap the data into a bitmap */
+  bmp = cogl_bitmap_new_for_data (ctx,
+                                  width, height,
+                                  format,
+                                  rowstride,
+                                  (uint8_t *) data);
+
+  tex = test_utils_texture_new_from_bitmap (bmp, flags, TRUE);
+
+  cogl_object_unref (bmp);
+
+  return tex;
+}
diff --git a/test-fixtures/test-utils.h b/test-fixtures/test-utils.h
new file mode 100644
index 0000000..9c3ced9
--- /dev/null
+++ b/test-fixtures/test-utils.h
@@ -0,0 +1,287 @@
+#ifndef _TEST_UTILS_H_
+#define _TEST_UTILS_H_
+
+/* NB: This header is for private and public api testing and so
+ * we need consider that if we are testing the public api we should
+ * just include  but since that will only provide
+ * opaque typedefs we need to include the specific internal headers
+ * for testing private apis...
+ */
+#ifdef COGL_COMPILATION
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#else
+#include 
+#endif
+
+#include 
+
+/* We don't really care about functions that are defined without a
+   header for the unit tests so we can just disable it here */
+#ifdef __GNUC__
+#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#endif
+
+typedef enum _TestFlags
+{
+  TEST_KNOWN_FAILURE = 1<<0,
+  TEST_REQUIREMENT_GL = 1<<1,
+  TEST_REQUIREMENT_NPOT = 1<<2,
+  TEST_REQUIREMENT_TEXTURE_3D = 1<<3,
+  TEST_REQUIREMENT_TEXTURE_RECTANGLE = 1<<4,
+  TEST_REQUIREMENT_TEXTURE_RG = 1<<5,
+  TEST_REQUIREMENT_POINT_SPRITE = 1<<6,
+  TEST_REQUIREMENT_GLES2_CONTEXT = 1<<7,
+  TEST_REQUIREMENT_MAP_WRITE = 1<<8,
+  TEST_REQUIREMENT_GLSL = 1<<9,
+  TEST_REQUIREMENT_OFFSCREEN = 1<<10,
+  TEST_REQUIREMENT_FENCE = 1<<11,
+  TEST_REQUIREMENT_PER_VERTEX_POINT_SIZE = 1<<12
+} TestFlags;
+
+ /**
+ * TestUtilsTextureFlags:
+ * @TEST_UTILS_TEXTURE_NONE: No flags specified
+ * @TEST_UTILS_TEXTURE_NO_AUTO_MIPMAP: Disables the automatic generation of
+ *   the mipmap pyramid from the base level image whenever it is
+ *   updated. The mipmaps are only generated when the texture is
+ *   rendered with a mipmap filter so it should be free to leave out
+ *   this flag when using other filtering modes
+ * @TEST_UTILS_TEXTURE_NO_SLICING: Disables the slicing of the texture
+ * @TEST_UTILS_TEXTURE_NO_ATLAS: Disables the insertion of the texture inside
+ *   the texture atlas used by Cogl
+ *
+ * Flags to pass to the test_utils_texture_new_* family of functions.
+ */
+typedef enum {
+  TEST_UTILS_TEXTURE_NONE           = 0,
+  TEST_UTILS_TEXTURE_NO_AUTO_MIPMAP = 1 << 0,
+  TEST_UTILS_TEXTURE_NO_SLICING     = 1 << 1,
+  TEST_UTILS_TEXTURE_NO_ATLAS       = 1 << 2
+} TestUtilsTextureFlags;
+
+extern CoglContext *test_ctx;
+extern CoglFramebuffer *test_fb;
+
+void
+test_utils_init (TestFlags requirement_flags,
+                 TestFlags known_failure_flags);
+
+void
+test_utils_fini (void);
+
+/*
+ * test_utils_texture_new_with_size:
+ * @context: A #CoglContext
+ * @width: width of texture in pixels.
+ * @height: height of texture in pixels.
+ * @flags: Optional flags for the texture, or %TEST_UTILS_TEXTURE_NONE
+ * @components: What texture components are required
+ *
+ * Creates a new #CoglTexture with the specified dimensions and pixel format.
+ *
+ * The storage for the texture is not necesarily created before this
+ * function returns. The storage can be explicitly allocated using
+ * cogl_texture_allocate() or preferably you can let Cogl
+ * automatically allocate the storage lazily when uploading data when
+ * Cogl may know more about how the texture will be used and can
+ * optimize how it is allocated.
+ *
+ * Return value: A newly created #CoglTexture
+ */
+CoglTexture *
+test_utils_texture_new_with_size (CoglContext *ctx,
+                                  int width,
+                                  int height,
+                                  TestUtilsTextureFlags flags,
+                                  CoglTextureComponents components);
+
+/*
+ * test_utils_texture_new_from_data:
+ * @context: A #CoglContext
+ * @width: width of texture in pixels
+ * @height: height of texture in pixels
+ * @flags: Optional flags for the texture, or %TEST_UTILS_TEXTURE_NONE
+ * @format: the #CoglPixelFormat the buffer is stored in in RAM
+ * @rowstride: the memory offset in bytes between the starts of
+ *    scanlines in @data
+ * @data: pointer the memory region where the source buffer resides
+ * @error: A #CoglError to catch exceptional errors or %NULL
+ *
+ * Creates a new #CoglTexture based on data residing in memory.
+ *
+ * Note: If the given @format has an alpha channel then the data
+ * will be loaded into a premultiplied internal format. If you want
+ * to avoid having the source data be premultiplied then you can
+ * either specify that the data is already premultiplied or use
+ * test_utils_texture_new_from_bitmap which lets you explicitly
+ * request whether the data should internally be premultipled or not.
+ *
+ * Return value: A newly created #CoglTexture or %NULL on failure
+ */
+CoglTexture *
+test_utils_texture_new_from_data (CoglContext *ctx,
+                                  int width,
+                                  int height,
+                                  TestUtilsTextureFlags flags,
+                                  CoglPixelFormat format,
+                                  int rowstride,
+                                  const uint8_t *data);
+
+/*
+ * test_utils_texture_new_from_bitmap:
+ * @bitmap: A #CoglBitmap pointer
+ * @flags: Optional flags for the texture, or %TEST_UTILS_TEXTURE_NONE
+ * @premultiplied: Whether the texture should hold premultipled data.
+ *                 (if the bitmap already holds premultiplied data
+ *                 and %TRUE is given then no premultiplication will
+ *                 be done. The data will be premultipled while
+ *                 uploading if the bitmap has an alpha channel but
+ *                 does not already have a premultiplied format.)
+ *
+ * Creates a #CoglTexture from a #CoglBitmap.
+ *
+ * Return value: A newly created #CoglTexture or %NULL on failure
+ */
+CoglTexture *
+test_utils_texture_new_from_bitmap (CoglBitmap *bitmap,
+                                    TestUtilsTextureFlags flags,
+                                    CoglBool premultiplied);
+
+/*
+ * test_utils_check_pixel:
+ * @framebuffer: The #CoglFramebuffer to read from
+ * @x: x co-ordinate of the pixel to test
+ * @y: y co-ordinate of the pixel to test
+ * @pixel: An integer of the form 0xRRGGBBAA representing the expected
+ *         pixel value
+ *
+ * This performs reads a pixel on the given cogl @framebuffer and
+ * asserts that it matches the given color. The alpha channel of the
+ * color is ignored. The pixels are converted to a string and compared
+ * with g_assert_cmpstr so that if the comparison fails then the
+ * assert will display a meaningful message
+ */
+void
+test_utils_check_pixel (CoglFramebuffer *framebuffer,
+                        int x, int y, uint32_t expected_pixel);
+
+/**
+ * @framebuffer: The #CoglFramebuffer to read from
+ * @x: x co-ordinate of the pixel to test
+ * @y: y co-ordinate of the pixel to test
+ * @pixel: An integer of the form 0xRRGGBBAA representing the expected
+ *         pixel value
+ *
+ * This performs reads a pixel on the given cogl @framebuffer and
+ * asserts that it matches the given color. The alpha channel is also
+ * checked unlike with test_utils_check_pixel(). The pixels are
+ * converted to a string and compared with g_assert_cmpstr so that if
+ * the comparison fails then the assert will display a meaningful
+ * message.
+ */
+void
+test_utils_check_pixel_and_alpha (CoglFramebuffer *fb,
+                                  int x, int y, uint32_t expected_pixel);
+
+/*
+ * test_utils_check_pixel:
+ * @framebuffer: The #CoglFramebuffer to read from
+ * @x: x co-ordinate of the pixel to test
+ * @y: y co-ordinate of the pixel to test
+ * @pixel: An integer of the form 0xrrggbb representing the expected pixel value
+ *
+ * This performs reads a pixel on the given cogl @framebuffer and
+ * asserts that it matches the given color. The alpha channel of the
+ * color is ignored. The pixels are converted to a string and compared
+ * with g_assert_cmpstr so that if the comparison fails then the
+ * assert will display a meaningful message
+ */
+void
+test_utils_check_pixel_rgb (CoglFramebuffer *framebuffer,
+                            int x, int y, int r, int g, int b);
+
+/*
+ * test_utils_check_region:
+ * @framebuffer: The #CoglFramebuffer to read from
+ * @x: x co-ordinate of the region to test
+ * @y: y co-ordinate of the region to test
+ * @width: width of the region to test
+ * @height: height of the region to test
+ * @pixel: An integer of the form 0xrrggbb representing the expected region color
+ *
+ * Performs a read pixel on the specified region of the given cogl
+ * @framebuffer and asserts that it matches the given color. The alpha
+ * channel of the color is ignored. The pixels are converted to a
+ * string and compared with g_assert_cmpstr so that if the comparison
+ * fails then the assert will display a meaningful message
+ */
+void
+test_utils_check_region (CoglFramebuffer *framebuffer,
+                         int x, int y,
+                         int width, int height,
+                         uint32_t expected_rgba);
+
+/*
+ * test_utils_compare_pixel:
+ * @screen_pixel: A pixel stored in memory
+ * @expected_pixel: The expected RGBA value
+ *
+ * Compares a pixel from a buffer to an expected value. The pixels are
+ * converted to a string and compared with g_assert_cmpstr so that if
+ * the comparison fails then the assert will display a meaningful
+ * message.
+ */
+void
+test_utils_compare_pixel (const uint8_t *screen_pixel, uint32_t expected_pixel);
+
+/*
+ * test_utils_compare_pixel_and_alpha:
+ * @screen_pixel: A pixel stored in memory
+ * @expected_pixel: The expected RGBA value
+ *
+ * Compares a pixel from a buffer to an expected value. This is
+ * similar to test_utils_compare_pixel() except that it doesn't ignore
+ * the alpha component.
+ */
+void
+test_utils_compare_pixel_and_alpha (const uint8_t *screen_pixel,
+                                    uint32_t expected_pixel);
+
+/*
+ * test_utils_create_color_texture:
+ * @context: A #CoglContext
+ * @color: A color to put in the texture
+ *
+ * Creates a 1x1-pixel RGBA texture filled with the given color.
+ */
+CoglTexture *
+test_utils_create_color_texture (CoglContext *context,
+                                 uint32_t color);
+
+/* cogl_test_verbose:
+ *
+ * Queries if the user asked for verbose output or not.
+ */
+CoglBool
+cogl_test_verbose (void);
+
+/* test_util_is_pot:
+ * @number: A number to test
+ *
+ * Returns whether the given integer is a power of two
+ */
+static inline CoglBool
+test_utils_is_pot (unsigned int number)
+{
+  /* Make sure there is only one bit set */
+  return (number & (number - 1)) == 0;
+}
+
+#endif /* _TEST_UTILS_H_ */
diff --git a/tests/Makefile.am b/tests/Makefile.am
new file mode 100644
index 0000000..94ba34a
--- /dev/null
+++ b/tests/Makefile.am
@@ -0,0 +1,31 @@
+SUBDIRS = conform
+
+if UNIT_TESTS
+SUBDIRS += unit
+endif
+
+SUBDIRS += micro-perf data
+
+DIST_SUBDIRS = conform unit micro-perf data
+
+EXTRA_DIST = README test-launcher.sh run-tests.sh
+
+if UNIT_TESTS
+test conform:
+	( cd ./conform && $(MAKE) $(AM_MAKEFLAGS) $@ ) || exit $$?
+	( cd ./unit && $(MAKE) $(AM_MAKEFLAGS) $@ ) || exit $$?
+else
+test conform:
+	( cd ./conform && $(MAKE) $(AM_MAKEFLAGS) $@ ) || exit $$?
+endif
+
+.PHONY: test conform
+
+# run make test as part of make check
+check-local: test
+
+if ENABLE_INSTALLED_TESTS
+insttestdir = $(libexecdir)/installed-tests/$(PACKAGE)
+insttest_SCRIPTS = run-tests.sh
+insttest_DATA = config.env
+endif
diff --git a/tests/Makefile.in b/tests/Makefile.in
new file mode 100644
index 0000000..30e2ac0
--- /dev/null
+++ b/tests/Makefile.in
@@ -0,0 +1,865 @@
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+
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+	  echo " $(MKDIR_P) '$(DESTDIR)$(insttestdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(insttestdir)" || exit 1; \
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+# This directory's subdirectories are mostly independent; you can cd
+# into them and run 'make' without going through this Makefile.
+# To change the values of 'make' variables: instead of editing Makefiles,
+# (1) if the variable is set in 'config.status', edit 'config.status'
+#     (which will cause the Makefiles to be regenerated when you run 'make');
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+GTAGS:
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
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+
+distdir: $(DISTFILES)
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
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+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
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+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
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+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    $(am__make_dryrun) \
+	      || test -d "$(distdir)/$$subdir" \
+	      || $(MKDIR_P) "$(distdir)/$$subdir" \
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+	    new_distdir=$$reldir; \
+	    dir1=$$subdir; dir2="$(top_distdir)"; \
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+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
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+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) check-local
+check: check-recursive
+all-am: Makefile $(SCRIPTS) $(DATA)
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+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-recursive
+install-exec: install-exec-recursive
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+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -f Makefile
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+
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+
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+
+html: html-recursive
+
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+info: info-recursive
+
+info-am:
+
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+install-html-am:
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+install-info: install-info-recursive
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+install-man:
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+install-ps: install-ps-recursive
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+maintainer-clean: maintainer-clean-recursive
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+
+pdf: pdf-recursive
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+pdf-am:
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+ps: ps-recursive
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+uninstall-am: uninstall-insttestDATA uninstall-insttestSCRIPTS
+
+.MAKE: $(am__recursive_targets) check-am install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am check \
+	check-am check-local clean clean-generic clean-libtool \
+	cscopelist-am ctags ctags-am distclean distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
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+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-insttestDATA install-insttestSCRIPTS \
+	install-man install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs installdirs-am maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-insttestDATA uninstall-insttestSCRIPTS
+
+
+@UNIT_TESTS_TRUE@test conform:
+@UNIT_TESTS_TRUE@	( cd ./conform && $(MAKE) $(AM_MAKEFLAGS) $@ ) || exit $$?
+@UNIT_TESTS_TRUE@	( cd ./unit && $(MAKE) $(AM_MAKEFLAGS) $@ ) || exit $$?
+@UNIT_TESTS_FALSE@test conform:
+@UNIT_TESTS_FALSE@	( cd ./conform && $(MAKE) $(AM_MAKEFLAGS) $@ ) || exit $$?
+
+.PHONY: test conform
+
+# run make test as part of make check
+check-local: test
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/README b/tests/README
new file mode 100644
index 0000000..cc6dbb9
--- /dev/null
+++ b/tests/README
@@ -0,0 +1,63 @@
+Outline of test categories:
+
+The conform/ tests:
+-------------------
+These tests should be non-interactive unit-tests that verify a single
+feature is behaving as documented. See conform/ADDING_NEW_TESTS for more
+details.
+
+Although it may seem a bit awkward; all the tests are built into a
+single binary because it makes building the tests *much* faster by avoiding
+lots of linking.
+
+Each test has a wrapper script generated though so running the individual tests
+should be convenient enough. Running the wrapper script will also print out for
+convenience how you could run the test under gdb or valgrind like this for
+example:
+
+  NOTE: For debugging purposes, you can run this single test as follows:
+  $ libtool --mode=execute \
+            gdb --eval-command="b test_cogl_depth_test" \
+            --args ./test-conformance -p /conform/cogl/test_cogl_depth_test
+  or:
+  $ env G_SLICE=always-malloc \
+    libtool --mode=execute \
+            valgrind ./test-conformance -p /conform/cogl/test_cogl_depth_test
+
+By default the conformance tests are run offscreen. This makes the tests run
+much faster and they also don't interfere with other work you may want to do by
+constantly stealing focus. CoglOnscreen framebuffers obviously don't get tested
+this way so it's important that the tests also get run onscreen every once in a
+while, especially if changes are being made to CoglFramebuffer related code.
+Onscreen testing can be enabled by setting COGL_TEST_ONSCREEN=1 in your
+environment.
+
+The micro-bench/ tests:
+-----------------------
+These should be focused performance tests, ideally testing a
+single metric. Please never forget that these tests are synthetic and if you
+are using them then you understand what metric is being tested. They probably
+don't reflect any real world application loads and the intention is that you
+use these tests once you have already determined the crux of your problem and
+need focused feedback that your changes are indeed improving matters. There is
+no exit status requirements for these tests, but they should give clear
+feedback as to their performance. If the framerate is the feedback metric, then
+the test should forcibly enable FPS debugging.
+
+The data/ directory:
+--------------------
+This contains optional data (like images) that can be referenced by a test.
+
+
+Misc notes:
+-----------
+• All tests should ideally include a detailed description in the source
+explaining exactly what the test is for, how the test was designed to work,
+and possibly a rationale for the approach taken for testing.
+
+• When running tests under Valgrind, you should follow the instructions
+available here:
+
+        http://live.gnome.org/Valgrind
+
+and also use the suppression file available inside the data/ directory.
diff --git a/tests/config.env.in b/tests/config.env.in
new file mode 100644
index 0000000..d377756
--- /dev/null
+++ b/tests/config.env.in
@@ -0,0 +1,3 @@
+HAVE_GL=@HAVE_GL@
+HAVE_GLES1=@HAVE_GLES1@
+HAVE_GLES2=@HAVE_GLES2@
diff --git a/tests/conform/Makefile.am b/tests/conform/Makefile.am
new file mode 100644
index 0000000..b6aa552
--- /dev/null
+++ b/tests/conform/Makefile.am
@@ -0,0 +1,230 @@
+include $(top_srcdir)/build/autotools/Makefile.am.silent
+
+NULL =
+
+noinst_PROGRAMS = test-conformance
+
+common_sources = \
+	test-conform-main.c \
+	$(NULL)
+
+unported_test_sources = \
+	test-fixed.c \
+	test-materials.c \
+	test-viewport.c \
+	test-multitexture.c \
+	test-npot-texture.c \
+	test-object.c \
+	test-readpixels.c \
+	test-texture-mipmaps.c \
+	test-texture-pixmap-x11.c \
+	test-texture-rectangle.c \
+	test-vertex-buffer-contiguous.c \
+	test-vertex-buffer-interleved.c \
+	test-vertex-buffer-mutability.c \
+	$(NULL)
+
+test_sources = \
+	test-atlas-migration.c \
+	test-blend-strings.c \
+	test-blend.c \
+	test-depth-test.c \
+	test-color-hsl.c \
+	test-color-mask.c \
+	test-backface-culling.c \
+	test-just-vertex-shader.c \
+	test-pipeline-user-matrix.c \
+	test-pipeline-uniforms.c \
+	test-pixel-buffer.c \
+	test-premult.c \
+	test-snippets.c \
+	test-wrap-modes.c \
+	test-sub-texture.c \
+	test-custom-attributes.c \
+	test-offscreen.c \
+	test-primitive.c \
+	test-texture-3d.c \
+	test-sparse-pipeline.c \
+	test-read-texture-formats.c \
+	test-write-texture-formats.c \
+	test-point-size.c \
+	test-point-size-attribute.c \
+	test-point-sprite.c \
+	test-no-gl-header.c \
+	test-version.c \
+	test-gles2-context.c \
+	test-euler-quaternion.c \
+	test-layer-remove.c \
+	test-alpha-test.c \
+	test-map-buffer-range.c \
+	test-npot-texture.c \
+	test-alpha-textures.c \
+	test-wrap-rectangle-textures.c \
+	test-texture-get-set-data.c \
+	test-framebuffer-get-bits.c \
+	test-primitive-and-journal.c \
+	test-copy-replace-texture.c \
+	test-pipeline-cache-unrefs-texture.c \
+	test-texture-no-allocate.c \
+	test-pipeline-shader-state.c \
+	test-texture-rg.c \
+	$(NULL)
+
+if !USING_EMSCRIPTEN
+# test-fence depends on the glib mainloop so it won't compile if using
+# emscripten which builds in standalone mode.
+test_sources += test-fence.c
+endif
+
+if BUILD_COGL_PATH
+test_sources += \
+	test-path.c \
+	test-path-clip.c
+endif
+
+test_conformance_SOURCES = $(common_sources) $(test_sources)
+
+if OS_WIN32
+SHEXT =
+else
+SHEXT = $(EXEEXT)
+endif
+
+# For convenience, this provides a way to easily run individual unit tests:
+.PHONY: wrappers clean-wrappers
+
+wrappers: stamp-test-conformance
+	@true
+stamp-test-conformance: Makefile $(srcdir)/test-conform-main.c
+	@mkdir -p wrappers
+	@sed -n -e 's/^ \{1,\}ADD_TEST *( *\([a-zA-Z0-9_]\{1,\}\).*/\1/p' $(srcdir)/test-conform-main.c > unit-tests
+	@chmod +x $(top_srcdir)/tests/test-launcher.sh
+	@( echo "/stamp-test-conformance" ; \
+	   echo "/test-conformance$(EXEEXT)" ; \
+	   echo "*.o" ; \
+	   echo ".gitignore" ; \
+	   echo "unit-tests" ; ) > .gitignore
+	@for i in `cat unit-tests`; \
+	do \
+		unit=`basename $$i | sed -e s/_/-/g`; \
+		echo "  GEN    $$unit"; \
+		( echo "#!/bin/sh" ; echo "$(top_srcdir)/tests/test-launcher.sh $(abs_builddir)/test-conformance$(EXEEXT) '' '$$i' \"\$$@\"" ) > $$unit$(SHEXT) ; \
+		chmod +x $$unit$(SHEXT); \
+		echo "/$$unit$(SHEXT)" >> .gitignore; \
+	done \
+	&& echo timestamp > $(@F)
+
+clean-wrappers:
+	@for i in `cat unit-tests`; \
+	do \
+		unit=`basename $$i | sed -e s/_/-/g`; \
+		echo "  RM     $$unit"; \
+		rm -f $$unit$(SHEXT) ; \
+	done \
+	&& rm -f unit-tests \
+	&& rm -f stamp-test-conformance
+
+# NB: BUILT_SOURCES here a misnomer. We aren't building source, just inserting
+# a phony rule that will generate symlink scripts for running individual tests
+BUILT_SOURCES = wrappers
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir) \
+	-I$(top_builddir)/cogl \
+	-I$(top_srcdir)/test-fixtures
+
+if !USE_GLIB
+AM_CPPFLAGS += -I$(top_builddir)/deps/glib
+endif
+
+AM_CPPFLAGS += \
+	-DCOGL_ENABLE_EXPERIMENTAL_API \
+	-DCOGL_DISABLE_DEPRECATED \
+	-DTESTS_DATADIR=\""$(top_srcdir)/tests/data"\"
+
+test_conformance_CFLAGS = -g3 -O0 $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS)
+test_conformance_LDADD = \
+	$(COGL_DEP_LIBS) \
+	$(top_builddir)/cogl/libcogl.la \
+	$(LIBM)
+if !USE_GLIB
+test_conformance_LDADD += $(top_builddir)/deps/glib/libglib.la
+endif
+if BUILD_COGL_PATH
+test_conformance_LDADD += $(top_builddir)/cogl-path/libcogl-path.la
+endif
+test_conformance_LDFLAGS = -export-dynamic
+
+test: wrappers
+	@$(top_srcdir)/tests/run-tests.sh $(abs_builddir)/../config.env $(abs_builddir)/test-conformance$(EXEEXT)
+
+# XXX: we could prevent the conformance test suite from running
+#      by simply defining this variable conditionally
+TEST_PROGS = test-conformance
+
+.PHONY: test
+
+DISTCLEANFILES = .gitignore
+
+dist-hook: ../../build/win32/vs9/test-conformance-cogl.vcproj ../../build/win32/vs10/test-conformance-cogl.vcxproj ../../build/win32/vs10/test-conformance-cogl.vcxproj.filters
+
+../../build/win32/vs9/test-conformance-cogl.vcproj: $(top_srcdir)/build/win32/vs9/test-conformance-cogl.vcprojin
+	for F in $(test_conformance_SOURCES); do \
+		case $$F in \
+		*.c)	echo '   ' \
+			;; \
+		esac; \
+	done >testconformance.sourcefiles
+	$(CPP) -P - <$(top_srcdir)/build/win32/vs9/test-conformance-cogl.vcprojin >$@
+	rm testconformance.sourcefiles
+
+../../build/win32/vs10/test-conformance-cogl.vcxproj: $(top_srcdir)/build/win32/vs10/test-conformance-cogl.vcxprojin
+	for F in $(test_conformance_SOURCES); do \
+		case $$F in \
+		*.c)	echo '    ' \
+			;; \
+		esac; \
+	done >testconformance.vs10.sourcefiles
+	$(CPP) -P - <$(top_srcdir)/build/win32/vs10/test-conformance-cogl.vcxprojin >$@
+	rm testconformance.vs10.sourcefiles
+
+../../build/win32/vs10/test-conformance-cogl.vcxproj.filters: $(top_srcdir)/build/win32/vs10/test-conformance-cogl.vcxproj.filtersin
+	for F in $(test_conformance_SOURCES); do \
+		case $$F in \
+		*.c)	echo '    Sources' \
+			;; \
+		esac; \
+	done >testconformance.vs10.sourcefiles.filters
+	$(CPP) -P - <$(top_srcdir)/build/win32/vs10/test-conformance-cogl.vcxproj.filtersin >$@
+	rm testconformance.vs10.sourcefiles.filters
+
+# Let the VS9/VS10 Project files be cleared out before they are re-expanded...
+DISTCLEANFILES += ../../build/win32/vs9/test-conformance-cogl.vcproj	\
+		  ../../build/win32/vs10/test-conformance-cogl.vcxproj	\
+		  ../../build/win32/vs10/test-conformance-cogl.vcxproj.filters
+
+# we override the clean-generic target to clean up the wrappers so
+# we cannot use CLEANFILES
+clean-generic: clean-wrappers
+	$(QUIET_RM)rm -f .log
+
+
+if ENABLE_INSTALLED_TESTS
+
+insttestdir = $(libexecdir)/installed-tests/$(PACKAGE)/conform
+insttest_PROGRAMS = test-conformance
+insttest_DATA = unit-tests
+
+testmetadir = $(datadir)/installed-tests/$(PACKAGE)
+testmeta_DATA = conform.test
+
+conform.test:
+	echo "  GEN      $@"; \
+	echo "[Test]" > $@.tmp; \
+	echo "Type=session" >> $@.tmp; \
+	echo "Exec=sh -c \"cd $(libexecdir)/installed-tests/$(PACKAGE)/conform; ../run-tests.sh ../config.env ./test-conformance\"" >> $@.tmp; \
+	mv $@.tmp $@
+
+CLEANFILES = conform.test
+
+endif
diff --git a/tests/conform/Makefile.in b/tests/conform/Makefile.in
new file mode 100644
index 0000000..885e31d
--- /dev/null
+++ b/tests/conform/Makefile.in
@@ -0,0 +1,1821 @@
+# Makefile.in generated by automake 1.14.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# custom rules for quiet builds
+
+
+VPATH = @srcdir@
+am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)'
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
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+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
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+transform = $(program_transform_name)
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+PRE_INSTALL = :
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+NORMAL_UNINSTALL = :
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+	$(srcdir)/Makefile.in $(srcdir)/Makefile.am \
+	$(top_srcdir)/build/depcomp
+noinst_PROGRAMS = test-conformance$(EXEEXT)
+
+# test-fence depends on the glib mainloop so it won't compile if using
+# emscripten which builds in standalone mode.
+@USING_EMSCRIPTEN_FALSE@am__append_1 = test-fence.c
+@BUILD_COGL_PATH_TRUE@am__append_2 = \
+@BUILD_COGL_PATH_TRUE@	test-path.c \
+@BUILD_COGL_PATH_TRUE@	test-path-clip.c
+
+@USE_GLIB_FALSE@am__append_3 = -I$(top_builddir)/deps/glib
+@USE_GLIB_FALSE@am__append_4 = $(top_builddir)/deps/glib/libglib.la
+@BUILD_COGL_PATH_TRUE@am__append_5 = $(top_builddir)/cogl-path/libcogl-path.la
+@ENABLE_INSTALLED_TESTS_TRUE@insttest_PROGRAMS =  \
+@ENABLE_INSTALLED_TESTS_TRUE@	test-conformance$(EXEEXT)
+subdir = tests/conform
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/build/autotools/acglib.m4 \
+	$(top_srcdir)/build/autotools/as-compiler-flag.m4 \
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+	$(top_srcdir)/build/autotools/as-linguas.m4 \
+	$(top_srcdir)/build/autotools/gettext.m4 \
+	$(top_srcdir)/build/autotools/gtk-doc.m4 \
+	$(top_srcdir)/build/autotools/iconv.m4 \
+	$(top_srcdir)/build/autotools/intlmacosx.m4 \
+	$(top_srcdir)/build/autotools/lib-ld.m4 \
+	$(top_srcdir)/build/autotools/lib-link.m4 \
+	$(top_srcdir)/build/autotools/lib-prefix.m4 \
+	$(top_srcdir)/build/autotools/libtool.m4 \
+	$(top_srcdir)/build/autotools/ltoptions.m4 \
+	$(top_srcdir)/build/autotools/ltsugar.m4 \
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+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(insttestdir)" \
+	"$(DESTDIR)$(insttestdir)" "$(DESTDIR)$(testmetadir)"
+PROGRAMS = $(insttest_PROGRAMS) $(noinst_PROGRAMS)
+am__test_conformance_SOURCES_DIST = test-conform-main.c \
+	test-atlas-migration.c test-blend-strings.c test-blend.c \
+	test-depth-test.c test-color-hsl.c test-color-mask.c \
+	test-backface-culling.c test-just-vertex-shader.c \
+	test-pipeline-user-matrix.c test-pipeline-uniforms.c \
+	test-pixel-buffer.c test-premult.c test-snippets.c \
+	test-wrap-modes.c test-sub-texture.c test-custom-attributes.c \
+	test-offscreen.c test-primitive.c test-texture-3d.c \
+	test-sparse-pipeline.c test-read-texture-formats.c \
+	test-write-texture-formats.c test-point-size.c \
+	test-point-size-attribute.c test-point-sprite.c \
+	test-no-gl-header.c test-version.c test-gles2-context.c \
+	test-euler-quaternion.c test-layer-remove.c test-alpha-test.c \
+	test-map-buffer-range.c test-npot-texture.c \
+	test-alpha-textures.c test-wrap-rectangle-textures.c \
+	test-texture-get-set-data.c test-framebuffer-get-bits.c \
+	test-primitive-and-journal.c test-copy-replace-texture.c \
+	test-pipeline-cache-unrefs-texture.c \
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+am__objects_2 = test_conformance-test-conform-main.$(OBJEXT) \
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+	test_conformance-test-blend.$(OBJEXT) \
+	test_conformance-test-depth-test.$(OBJEXT) \
+	test_conformance-test-color-hsl.$(OBJEXT) \
+	test_conformance-test-color-mask.$(OBJEXT) \
+	test_conformance-test-backface-culling.$(OBJEXT) \
+	test_conformance-test-just-vertex-shader.$(OBJEXT) \
+	test_conformance-test-pipeline-user-matrix.$(OBJEXT) \
+	test_conformance-test-pipeline-uniforms.$(OBJEXT) \
+	test_conformance-test-pixel-buffer.$(OBJEXT) \
+	test_conformance-test-premult.$(OBJEXT) \
+	test_conformance-test-snippets.$(OBJEXT) \
+	test_conformance-test-wrap-modes.$(OBJEXT) \
+	test_conformance-test-sub-texture.$(OBJEXT) \
+	test_conformance-test-custom-attributes.$(OBJEXT) \
+	test_conformance-test-offscreen.$(OBJEXT) \
+	test_conformance-test-primitive.$(OBJEXT) \
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+	test_conformance-test-sparse-pipeline.$(OBJEXT) \
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+	test_conformance-test-point-size.$(OBJEXT) \
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+	test_conformance-test-no-gl-header.$(OBJEXT) \
+	test_conformance-test-version.$(OBJEXT) \
+	test_conformance-test-gles2-context.$(OBJEXT) \
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+	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
+	$(test_conformance_CFLAGS) $(CFLAGS) \
+	$(test_conformance_LDFLAGS) $(LDFLAGS) -o $@
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+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
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+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
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+    n|no|NO) false;; \
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+  esac
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+top_srcdir = @top_srcdir@
+QUIET_GEN = $(AM_V_GEN)
+QUIET_LN = $(QUIET_LN_$(V))
+QUIET_LN_ = $(QUIET_LN_$(AM_DEFAULT_VERBOSITY))
+QUIET_LN_0 = @echo '  LN     '$@;
+QUIET_RM = $(QUIET_RM_$(V))
+QUIET_RM_ = $(QUIET_RM_$(AM_DEFAULT_VERBOSITY))
+QUIET_RM_0 = @echo '  RM     '$@;
+QUIET_SCAN = $(QUIET_SCAN_$(V))
+QUIET_SCAN_ = $(QUIET_SCAN_$(AM_DEFAULT_VERBOSITY))
+QUIET_SCAN_0 = @echo '  GISCAN '$@;
+QUIET_COMP = $(QUIET_COMP_$(V))
+QUIET_COMP_ = $(QUIET_COMP_$(AM_DEFAULT_VERBOSITY))
+QUIET_COMP_0 = @echo '  GICOMP '$@;
+NULL = 
+common_sources = \
+	test-conform-main.c \
+	$(NULL)
+
+unported_test_sources = \
+	test-fixed.c \
+	test-materials.c \
+	test-viewport.c \
+	test-multitexture.c \
+	test-npot-texture.c \
+	test-object.c \
+	test-readpixels.c \
+	test-texture-mipmaps.c \
+	test-texture-pixmap-x11.c \
+	test-texture-rectangle.c \
+	test-vertex-buffer-contiguous.c \
+	test-vertex-buffer-interleved.c \
+	test-vertex-buffer-mutability.c \
+	$(NULL)
+
+test_sources = test-atlas-migration.c test-blend-strings.c \
+	test-blend.c test-depth-test.c test-color-hsl.c \
+	test-color-mask.c test-backface-culling.c \
+	test-just-vertex-shader.c test-pipeline-user-matrix.c \
+	test-pipeline-uniforms.c test-pixel-buffer.c test-premult.c \
+	test-snippets.c test-wrap-modes.c test-sub-texture.c \
+	test-custom-attributes.c test-offscreen.c test-primitive.c \
+	test-texture-3d.c test-sparse-pipeline.c \
+	test-read-texture-formats.c test-write-texture-formats.c \
+	test-point-size.c test-point-size-attribute.c \
+	test-point-sprite.c test-no-gl-header.c test-version.c \
+	test-gles2-context.c test-euler-quaternion.c \
+	test-layer-remove.c test-alpha-test.c test-map-buffer-range.c \
+	test-npot-texture.c test-alpha-textures.c \
+	test-wrap-rectangle-textures.c test-texture-get-set-data.c \
+	test-framebuffer-get-bits.c test-primitive-and-journal.c \
+	test-copy-replace-texture.c \
+	test-pipeline-cache-unrefs-texture.c \
+	test-texture-no-allocate.c test-pipeline-shader-state.c \
+	test-texture-rg.c $(NULL) $(am__append_1) $(am__append_2)
+test_conformance_SOURCES = $(common_sources) $(test_sources)
+@OS_WIN32_FALSE@SHEXT = $(EXEEXT)
+@OS_WIN32_TRUE@SHEXT = 
+
+# NB: BUILT_SOURCES here a misnomer. We aren't building source, just inserting
+# a phony rule that will generate symlink scripts for running individual tests
+BUILT_SOURCES = wrappers
+AM_CPPFLAGS = -I$(top_srcdir) -I$(top_builddir)/cogl \
+	-I$(top_srcdir)/test-fixtures $(am__append_3) \
+	-DCOGL_ENABLE_EXPERIMENTAL_API -DCOGL_DISABLE_DEPRECATED \
+	-DTESTS_DATADIR=\""$(top_srcdir)/tests/data"\"
+test_conformance_CFLAGS = -g3 -O0 $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS)
+test_conformance_LDADD = $(COGL_DEP_LIBS) \
+	$(top_builddir)/cogl/libcogl.la $(LIBM) $(am__append_4) \
+	$(am__append_5)
+test_conformance_LDFLAGS = -export-dynamic
+
+# XXX: we could prevent the conformance test suite from running
+#      by simply defining this variable conditionally
+TEST_PROGS = test-conformance
+
+# Let the VS9/VS10 Project files be cleared out before they are re-expanded...
+DISTCLEANFILES = .gitignore \
+	../../build/win32/vs9/test-conformance-cogl.vcproj \
+	../../build/win32/vs10/test-conformance-cogl.vcxproj \
+	../../build/win32/vs10/test-conformance-cogl.vcxproj.filters
+@ENABLE_INSTALLED_TESTS_TRUE@insttestdir = $(libexecdir)/installed-tests/$(PACKAGE)/conform
+@ENABLE_INSTALLED_TESTS_TRUE@insttest_DATA = unit-tests
+@ENABLE_INSTALLED_TESTS_TRUE@testmetadir = $(datadir)/installed-tests/$(PACKAGE)
+@ENABLE_INSTALLED_TESTS_TRUE@testmeta_DATA = conform.test
+@ENABLE_INSTALLED_TESTS_TRUE@CLEANFILES = conform.test
+all: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(top_srcdir)/build/autotools/Makefile.am.silent $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign tests/conform/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign tests/conform/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+$(top_srcdir)/build/autotools/Makefile.am.silent:
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+install-insttestPROGRAMS: $(insttest_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	@list='$(insttest_PROGRAMS)'; test -n "$(insttestdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(insttestdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(insttestdir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(insttestdir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(insttestdir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-insttestPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(insttest_PROGRAMS)'; test -n "$(insttestdir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(insttestdir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(insttestdir)" && rm -f $$files
+
+clean-insttestPROGRAMS:
+	@list='$(insttest_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+clean-noinstPROGRAMS:
+	@list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+test-conformance$(EXEEXT): $(test_conformance_OBJECTS) $(test_conformance_DEPENDENCIES) $(EXTRA_test_conformance_DEPENDENCIES) 
+	@rm -f test-conformance$(EXEEXT)
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+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/test_conformance-test-path-clip.Tpo $(DEPDIR)/test_conformance-test-path-clip.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test-path-clip.c' object='test_conformance-test-path-clip.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_conformance_CFLAGS) $(CFLAGS) -c -o test_conformance-test-path-clip.o `test -f 'test-path-clip.c' || echo '$(srcdir)/'`test-path-clip.c
+
+test_conformance-test-path-clip.obj: test-path-clip.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_conformance_CFLAGS) $(CFLAGS) -MT test_conformance-test-path-clip.obj -MD -MP -MF $(DEPDIR)/test_conformance-test-path-clip.Tpo -c -o test_conformance-test-path-clip.obj `if test -f 'test-path-clip.c'; then $(CYGPATH_W) 'test-path-clip.c'; else $(CYGPATH_W) '$(srcdir)/test-path-clip.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/test_conformance-test-path-clip.Tpo $(DEPDIR)/test_conformance-test-path-clip.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test-path-clip.c' object='test_conformance-test-path-clip.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_conformance_CFLAGS) $(CFLAGS) -c -o test_conformance-test-path-clip.obj `if test -f 'test-path-clip.c'; then $(CYGPATH_W) 'test-path-clip.c'; else $(CYGPATH_W) '$(srcdir)/test-path-clip.c'; fi`
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+install-insttestDATA: $(insttest_DATA)
+	@$(NORMAL_INSTALL)
+	@list='$(insttest_DATA)'; test -n "$(insttestdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(insttestdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(insttestdir)" || exit 1; \
+	fi; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(insttestdir)'"; \
+	  $(INSTALL_DATA) $$files "$(DESTDIR)$(insttestdir)" || exit $$?; \
+	done
+
+uninstall-insttestDATA:
+	@$(NORMAL_UNINSTALL)
+	@list='$(insttest_DATA)'; test -n "$(insttestdir)" || list=; \
+	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+	dir='$(DESTDIR)$(insttestdir)'; $(am__uninstall_files_from_dir)
+install-testmetaDATA: $(testmeta_DATA)
+	@$(NORMAL_INSTALL)
+	@list='$(testmeta_DATA)'; test -n "$(testmetadir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(testmetadir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(testmetadir)" || exit 1; \
+	fi; \
+	for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(testmetadir)'"; \
+	  $(INSTALL_DATA) $$files "$(DESTDIR)$(testmetadir)" || exit $$?; \
+	done
+
+uninstall-testmetaDATA:
+	@$(NORMAL_UNINSTALL)
+	@list='$(testmeta_DATA)'; test -n "$(testmetadir)" || list=; \
+	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+	dir='$(DESTDIR)$(testmetadir)'; $(am__uninstall_files_from_dir)
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	$(MAKE) $(AM_MAKEFLAGS) \
+	  top_distdir="$(top_distdir)" distdir="$(distdir)" \
+	  dist-hook
+check-am: all-am
+check: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) check-am
+all-am: Makefile $(PROGRAMS) $(DATA)
+installdirs:
+	for dir in "$(DESTDIR)$(insttestdir)" "$(DESTDIR)$(insttestdir)" "$(DESTDIR)$(testmetadir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
+clean: clean-am
+
+clean-am: clean-generic clean-insttestPROGRAMS clean-libtool \
+	clean-noinstPROGRAMS mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-insttestDATA install-insttestPROGRAMS \
+	install-testmetaDATA
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-insttestDATA uninstall-insttestPROGRAMS \
+	uninstall-testmetaDATA
+
+.MAKE: all check install install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-insttestPROGRAMS clean-libtool clean-noinstPROGRAMS \
+	cscopelist-am ctags ctags-am dist-hook distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am \
+	install-insttestDATA install-insttestPROGRAMS install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip install-testmetaDATA installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-insttestDATA \
+	uninstall-insttestPROGRAMS uninstall-testmetaDATA
+
+
+# For convenience, this provides a way to easily run individual unit tests:
+.PHONY: wrappers clean-wrappers
+
+wrappers: stamp-test-conformance
+	@true
+stamp-test-conformance: Makefile $(srcdir)/test-conform-main.c
+	@mkdir -p wrappers
+	@sed -n -e 's/^ \{1,\}ADD_TEST *( *\([a-zA-Z0-9_]\{1,\}\).*/\1/p' $(srcdir)/test-conform-main.c > unit-tests
+	@chmod +x $(top_srcdir)/tests/test-launcher.sh
+	@( echo "/stamp-test-conformance" ; \
+	   echo "/test-conformance$(EXEEXT)" ; \
+	   echo "*.o" ; \
+	   echo ".gitignore" ; \
+	   echo "unit-tests" ; ) > .gitignore
+	@for i in `cat unit-tests`; \
+	do \
+		unit=`basename $$i | sed -e s/_/-/g`; \
+		echo "  GEN    $$unit"; \
+		( echo "#!/bin/sh" ; echo "$(top_srcdir)/tests/test-launcher.sh $(abs_builddir)/test-conformance$(EXEEXT) '' '$$i' \"\$$@\"" ) > $$unit$(SHEXT) ; \
+		chmod +x $$unit$(SHEXT); \
+		echo "/$$unit$(SHEXT)" >> .gitignore; \
+	done \
+	&& echo timestamp > $(@F)
+
+clean-wrappers:
+	@for i in `cat unit-tests`; \
+	do \
+		unit=`basename $$i | sed -e s/_/-/g`; \
+		echo "  RM     $$unit"; \
+		rm -f $$unit$(SHEXT) ; \
+	done \
+	&& rm -f unit-tests \
+	&& rm -f stamp-test-conformance
+
+test: wrappers
+	@$(top_srcdir)/tests/run-tests.sh $(abs_builddir)/../config.env $(abs_builddir)/test-conformance$(EXEEXT)
+
+.PHONY: test
+
+dist-hook: ../../build/win32/vs9/test-conformance-cogl.vcproj ../../build/win32/vs10/test-conformance-cogl.vcxproj ../../build/win32/vs10/test-conformance-cogl.vcxproj.filters
+
+../../build/win32/vs9/test-conformance-cogl.vcproj: $(top_srcdir)/build/win32/vs9/test-conformance-cogl.vcprojin
+	for F in $(test_conformance_SOURCES); do \
+		case $$F in \
+		*.c)	echo '   ' \
+			;; \
+		esac; \
+	done >testconformance.sourcefiles
+	$(CPP) -P - <$(top_srcdir)/build/win32/vs9/test-conformance-cogl.vcprojin >$@
+	rm testconformance.sourcefiles
+
+../../build/win32/vs10/test-conformance-cogl.vcxproj: $(top_srcdir)/build/win32/vs10/test-conformance-cogl.vcxprojin
+	for F in $(test_conformance_SOURCES); do \
+		case $$F in \
+		*.c)	echo '    ' \
+			;; \
+		esac; \
+	done >testconformance.vs10.sourcefiles
+	$(CPP) -P - <$(top_srcdir)/build/win32/vs10/test-conformance-cogl.vcxprojin >$@
+	rm testconformance.vs10.sourcefiles
+
+../../build/win32/vs10/test-conformance-cogl.vcxproj.filters: $(top_srcdir)/build/win32/vs10/test-conformance-cogl.vcxproj.filtersin
+	for F in $(test_conformance_SOURCES); do \
+		case $$F in \
+		*.c)	echo '    Sources' \
+			;; \
+		esac; \
+	done >testconformance.vs10.sourcefiles.filters
+	$(CPP) -P - <$(top_srcdir)/build/win32/vs10/test-conformance-cogl.vcxproj.filtersin >$@
+	rm testconformance.vs10.sourcefiles.filters
+
+# we override the clean-generic target to clean up the wrappers so
+# we cannot use CLEANFILES
+clean-generic: clean-wrappers
+	$(QUIET_RM)rm -f .log
+
+@ENABLE_INSTALLED_TESTS_TRUE@conform.test:
+@ENABLE_INSTALLED_TESTS_TRUE@	echo "  GEN      $@"; \
+@ENABLE_INSTALLED_TESTS_TRUE@	echo "[Test]" > $@.tmp; \
+@ENABLE_INSTALLED_TESTS_TRUE@	echo "Type=session" >> $@.tmp; \
+@ENABLE_INSTALLED_TESTS_TRUE@	echo "Exec=sh -c \"cd $(libexecdir)/installed-tests/$(PACKAGE)/conform; ../run-tests.sh ../config.env ./test-conformance\"" >> $@.tmp; \
+@ENABLE_INSTALLED_TESTS_TRUE@	mv $@.tmp $@
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/conform/test-alpha-test.c b/tests/conform/test-alpha-test.c
new file mode 100644
index 0000000..e74f6d8
--- /dev/null
+++ b/tests/conform/test-alpha-test.c
@@ -0,0 +1,73 @@
+#include 
+#include 
+
+#include "test-utils.h"
+
+static CoglTexture2D *
+create_texture (CoglContext *context)
+{
+  static const uint8_t data[] =
+    {
+      0xff, 0x00, 0x00, 0xff,
+      0x00, 0xfa, 0x00, 0xfa
+    };
+
+  return cogl_texture_2d_new_from_data (context,
+                                        2, 1, /* width/height */
+                                        COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                        4, /* rowstride */
+                                        data,
+                                        NULL /* error */);
+}
+
+void
+test_alpha_test (void)
+{
+  CoglTexture *tex = create_texture (test_ctx);
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+  CoglColor clear_color;
+
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex);
+  cogl_pipeline_set_layer_filters (pipeline, 0,
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+  cogl_pipeline_set_alpha_test_function (pipeline,
+                                         COGL_PIPELINE_ALPHA_FUNC_GEQUAL,
+                                         254 / 255.0f /* alpha reference */);
+
+  cogl_color_init_from_4ub (&clear_color, 0x00, 0x00, 0xff, 0xff);
+  cogl_framebuffer_clear (test_fb,
+                          COGL_BUFFER_BIT_COLOR,
+                          &clear_color);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   -1, -1,
+                                   1, 1);
+
+  cogl_object_unref (pipeline);
+  cogl_object_unref (tex);
+
+  /* The left side of the framebuffer should use the first pixel from
+   * the texture which is red */
+  test_utils_check_region (test_fb,
+                           2, 2,
+                           fb_width / 2 - 4,
+                           fb_height - 4,
+                           0xff0000ff);
+  /* The right side of the framebuffer should use the clear color
+   * because the second pixel from the texture is clipped from the
+   * alpha test */
+  test_utils_check_region (test_fb,
+                           fb_width / 2 + 2,
+                           2,
+                           fb_width / 2 - 4,
+                           fb_height - 4,
+                           0x0000ffff);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-alpha-textures.c b/tests/conform/test-alpha-textures.c
new file mode 100644
index 0000000..dccd30e
--- /dev/null
+++ b/tests/conform/test-alpha-textures.c
@@ -0,0 +1,123 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+static void
+create_pipeline (CoglTexture **tex_out,
+                 CoglPipeline **pipeline_out)
+{
+  CoglTexture2D *tex;
+  CoglPipeline *pipeline;
+  static const uint8_t tex_data[] =
+    { 0x00, 0x44, 0x88, 0xcc };
+
+  tex = cogl_texture_2d_new_from_data (test_ctx,
+                                       2, 2, /* width/height */
+                                       COGL_PIXEL_FORMAT_A_8, /* format */
+                                       2, /* rowstride */
+                                       tex_data,
+                                       NULL);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_layer_filters (pipeline,
+                                   0, /* layer */
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+  cogl_pipeline_set_layer_wrap_mode (pipeline,
+                                     0, /* layer */
+                                     COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE);
+
+  /* This is the layer combine used by cogl-pango */
+  cogl_pipeline_set_layer_combine (pipeline,
+                                   0, /* layer */
+                                   "RGBA = MODULATE (PREVIOUS, TEXTURE[A])",
+                                   NULL);
+
+  cogl_pipeline_set_layer_texture (pipeline,
+                                   0, /* layer */
+                                   tex);
+
+  *pipeline_out = pipeline;
+  *tex_out = tex;
+}
+
+void
+test_alpha_textures (void)
+{
+  CoglTexture *tex1, *tex2;
+  CoglPipeline *pipeline1, *pipeline2;
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+  uint8_t replacement_data[1] = { 0xff };
+
+  create_pipeline (&tex1, &pipeline1);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline1,
+                                   -1.0f, 1.0f, /* x1/y1 */
+                                   1.0f, 0.0f /* x2/y2 */);
+
+  create_pipeline (&tex2, &pipeline2);
+
+  cogl_texture_set_region (tex2,
+                           0, 0, /* src_x/y */
+                           1, 1, /* dst_x/y */
+                           1, 1, /* dst_width / dst_height */
+                           1, 1, /* width / height */
+                           COGL_PIXEL_FORMAT_A_8,
+                           1, /* rowstride */
+                           replacement_data);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline2,
+                                   -1.0f, 0.0f, /* x1/y1 */
+                                   1.0f, -1.0f /* x2/y2 */);
+
+  cogl_object_unref (tex1);
+  cogl_object_unref (tex2);
+  cogl_object_unref (pipeline1);
+  cogl_object_unref (pipeline2);
+
+  /* Unmodified texture */
+  test_utils_check_pixel (test_fb,
+                          fb_width / 4,
+                          fb_height / 8,
+                          0x000000ff);
+  test_utils_check_pixel (test_fb,
+                          fb_width * 3 / 4,
+                          fb_height / 8,
+                          0x444444ff);
+  test_utils_check_pixel (test_fb,
+                          fb_width / 4,
+                          fb_height * 3 / 8,
+                          0x888888ff);
+  test_utils_check_pixel (test_fb,
+                          fb_width * 3 / 4,
+                          fb_height * 3 / 8,
+                          0xccccccff);
+
+  /* Modified texture */
+  test_utils_check_pixel (test_fb,
+                          fb_width / 4,
+                          fb_height * 5 / 8,
+                          0x000000ff);
+  test_utils_check_pixel (test_fb,
+                          fb_width * 3 / 4,
+                          fb_height * 5 / 8,
+                          0x444444ff);
+  test_utils_check_pixel (test_fb,
+                          fb_width / 4,
+                          fb_height * 7 / 8,
+                          0x888888ff);
+  test_utils_check_pixel (test_fb,
+                          fb_width * 3 / 4,
+                          fb_height * 7 / 8,
+                          0xffffffff);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-atlas-migration.c b/tests/conform/test-atlas-migration.c
new file mode 100644
index 0000000..39e8a3c
--- /dev/null
+++ b/tests/conform/test-atlas-migration.c
@@ -0,0 +1,145 @@
+#include 
+
+#include "test-utils.h"
+
+#define N_TEXTURES 128
+
+#define OPACITY_FOR_ROW(y) \
+  (0xff - ((y) & 0xf) * 0x10)
+
+#define COLOR_FOR_SIZE(size) \
+  (colors + (size) % 3)
+
+typedef struct
+{
+  uint8_t red, green, blue, alpha;
+} TestColor;
+
+static const TestColor colors[] =
+  { { 0xff, 0x00, 0x00, 0xff },
+    { 0x00, 0xff, 0x00, 0xff },
+    { 0x00, 0x00, 0xff, 0xff } };
+
+static CoglTexture *
+create_texture (int size)
+{
+  CoglTexture *texture;
+  const TestColor *color;
+  uint8_t *data, *p;
+  int x, y;
+
+  /* Create a red, green or blue texture depending on the size */
+  color = COLOR_FOR_SIZE (size);
+
+  p = data = g_malloc (size * size * 4);
+
+  /* Fill the data with the color but fade the opacity out with
+     increasing y coordinates so that we can see the blending it the
+     atlas migration accidentally blends with garbage in the
+     texture */
+  for (y = 0; y < size; y++)
+    {
+      int opacity = OPACITY_FOR_ROW (y);
+
+      for (x = 0; x < size; x++)
+        {
+          /* Store the colors premultiplied */
+          p[0] = color->red * opacity / 255;
+          p[1] = color->green * opacity / 255;
+          p[2] = color->blue * opacity / 255;
+          p[3] = opacity;
+
+          p += 4;
+        }
+    }
+
+  texture = test_utils_texture_new_from_data (test_ctx,
+                                              size, /* width */
+                                              size, /* height */
+                                              TEST_UTILS_TEXTURE_NONE, /* flags */
+                                              /* format */
+                                              COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                              /* rowstride */
+                                              size * 4,
+                                              data);
+
+  g_free (data);
+
+  return texture;
+}
+
+static void
+verify_texture (CoglTexture *texture, int size)
+{
+  uint8_t *data, *p;
+  int x, y;
+  const TestColor *color;
+
+  color = COLOR_FOR_SIZE (size);
+
+  p = data = g_malloc (size * size * 4);
+
+  cogl_texture_get_data (texture,
+                         COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                         size * 4,
+                         data);
+
+  for (y = 0; y < size; y++)
+    {
+      int opacity = OPACITY_FOR_ROW (y);
+
+      for (x = 0; x < size; x++)
+        {
+          TestColor real_color =
+            {
+              color->red * opacity / 255,
+              color->green * opacity / 255,
+              color->blue * opacity / 255
+            };
+
+          test_utils_compare_pixel (p,
+                                    (real_color.red << 24) |
+                                    (real_color.green << 16) |
+                                    (real_color.blue << 8) |
+                                    opacity);
+          g_assert_cmpint (p[3], ==, opacity);
+
+          p += 4;
+        }
+    }
+
+  g_free (data);
+}
+
+void
+test_atlas_migration (void)
+{
+  CoglTexture *textures[N_TEXTURES];
+  int i, tex_num;
+
+  /* Create and destroy all of the textures a few times to increase
+     the chances that we'll end up reusing the buffers for previously
+     discarded atlases */
+  for (i = 0; i < 5; i++)
+    {
+      for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
+        textures[tex_num] = create_texture (tex_num + 1);
+      for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
+        cogl_object_unref (textures[tex_num]);
+    }
+
+  /* Create all the textures again */
+  for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
+    textures[tex_num] = create_texture (tex_num + 1);
+
+  /* Verify that they all still have the right data */
+  for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
+    verify_texture (textures[tex_num], tex_num + 1);
+
+  /* Destroy them all */
+  for (tex_num = 0; tex_num < N_TEXTURES; tex_num++)
+    cogl_object_unref (textures[tex_num]);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-backface-culling.c b/tests/conform/test-backface-culling.c
new file mode 100644
index 0000000..e90c2f5
--- /dev/null
+++ b/tests/conform/test-backface-culling.c
@@ -0,0 +1,311 @@
+#define COGL_VERSION_MIN_REQUIRED COGL_VERSION_1_0
+
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+/* Size the texture so that it is just off a power of two to encourage
+   it so use software tiling when NPOTs aren't available */
+#define TEXTURE_SIZE        257
+
+/* Amount of pixels to skip off the top, bottom, left and right of the
+   texture when reading back the stage */
+#define TEST_INSET          2
+
+/* Size to actually render the texture at */
+#define TEXTURE_RENDER_SIZE 8
+
+typedef struct _TestState
+{
+  CoglTexture *texture;
+  CoglFramebuffer *offscreen;
+  CoglTexture *offscreen_tex;
+  int width, height;
+} TestState;
+
+static void
+validate_part (CoglFramebuffer *framebuffer,
+               int xnum, int ynum, CoglBool shown)
+{
+  test_utils_check_region (framebuffer,
+                           xnum * TEXTURE_RENDER_SIZE + TEST_INSET,
+                           ynum * TEXTURE_RENDER_SIZE + TEST_INSET,
+                           TEXTURE_RENDER_SIZE - TEST_INSET * 2,
+                           TEXTURE_RENDER_SIZE - TEST_INSET * 2,
+                           shown ? 0xff0000ff : 0x000000ff);
+}
+
+/* We draw everything 16 times. The draw number is used as a bitmask
+   to test all of the combinations of enabling legacy state, both
+   winding orders and all four culling modes */
+
+#define USE_LEGACY_STATE(draw_num) (((draw_num) & 0x01) >> 0)
+#define FRONT_WINDING(draw_num)    (((draw_num) & 0x02) >> 1)
+#define CULL_FACE_MODE(draw_num)   (((draw_num) & 0x0c) >> 2)
+
+static void
+paint_test_backface_culling (TestState *state,
+                             CoglFramebuffer *framebuffer)
+{
+  int draw_num;
+  CoglPipeline *base_pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_framebuffer_orthographic (framebuffer,
+                                 0, 0,
+                                 state->width,
+                                 state->height,
+                                 -1,
+                                 100);
+
+  cogl_framebuffer_clear4f (framebuffer,
+                            COGL_BUFFER_BIT_COLOR | COGL_BUFFER_BIT_STENCIL,
+                            0, 0, 0, 1);
+
+  cogl_pipeline_set_layer_texture (base_pipeline, 0, state->texture);
+
+  cogl_pipeline_set_layer_filters (base_pipeline, 0,
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+
+  cogl_push_framebuffer (framebuffer);
+
+  /* Render the scene sixteen times to test all of the combinations of
+     cull face mode, legacy state and winding orders */
+  for (draw_num = 0; draw_num < 16; draw_num++)
+    {
+      float x1 = 0, x2, y1 = 0, y2 = (float)(TEXTURE_RENDER_SIZE);
+      CoglTextureVertex verts[4];
+      CoglPipeline *pipeline;
+
+      cogl_push_matrix ();
+      cogl_translate (0, TEXTURE_RENDER_SIZE * draw_num, 0);
+
+      pipeline = cogl_pipeline_copy (base_pipeline);
+
+      cogl_set_backface_culling_enabled (USE_LEGACY_STATE (draw_num));
+      cogl_pipeline_set_front_face_winding (pipeline, FRONT_WINDING (draw_num));
+      cogl_pipeline_set_cull_face_mode (pipeline, CULL_FACE_MODE (draw_num));
+
+      cogl_push_source (pipeline);
+
+      memset (verts, 0, sizeof (verts));
+
+      x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
+
+      /* Draw a front-facing texture */
+      cogl_rectangle (x1, y1, x2, y2);
+
+      x1 = x2;
+      x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
+
+      /* Draw a front-facing texture with flipped texcoords */
+      cogl_rectangle_with_texture_coords (x1, y1, x2, y2,
+                                          1.0, 0.0, 0.0, 1.0);
+
+      x1 = x2;
+      x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
+
+      /* Draw a back-facing texture */
+      cogl_rectangle (x2, y1, x1, y2);
+
+      x1 = x2;
+      x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
+
+      /* If the texture is sliced then cogl_polygon doesn't work so
+         we'll just use a solid color instead */
+      if (cogl_texture_is_sliced (state->texture))
+        cogl_set_source_color4ub (255, 0, 0, 255);
+
+      /* Draw a front-facing polygon */
+      verts[0].x = x1;    verts[0].y = y2;
+      verts[1].x = x2;    verts[1].y = y2;
+      verts[2].x = x2;    verts[2].y = y1;
+      verts[3].x = x1;    verts[3].y = y1;
+      verts[0].tx = 0;    verts[0].ty = 0;
+      verts[1].tx = 1.0;  verts[1].ty = 0;
+      verts[2].tx = 1.0;  verts[2].ty = 1.0;
+      verts[3].tx = 0;    verts[3].ty = 1.0;
+      cogl_polygon (verts, 4, FALSE);
+
+      x1 = x2;
+      x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
+
+      /* Draw a back-facing polygon */
+      verts[0].x = x1;    verts[0].y = y1;
+      verts[1].x = x2;    verts[1].y = y1;
+      verts[2].x = x2;    verts[2].y = y2;
+      verts[3].x = x1;    verts[3].y = y2;
+      verts[0].tx = 0;    verts[0].ty = 0;
+      verts[1].tx = 1.0;  verts[1].ty = 0;
+      verts[2].tx = 1.0;  verts[2].ty = 1.0;
+      verts[3].tx = 0;    verts[3].ty = 1.0;
+      cogl_polygon (verts, 4, FALSE);
+
+      x1 = x2;
+      x2 = x1 + (float)(TEXTURE_RENDER_SIZE);
+
+      cogl_pop_matrix ();
+
+      cogl_pop_source ();
+      cogl_object_unref (pipeline);
+    }
+
+  cogl_pop_framebuffer ();
+
+  cogl_object_unref (base_pipeline);
+}
+
+static void
+validate_result (CoglFramebuffer *framebuffer, int y_offset)
+{
+  int draw_num;
+
+  for (draw_num = 0; draw_num < 16; draw_num++)
+    {
+      CoglBool cull_front, cull_back;
+      CoglPipelineCullFaceMode cull_mode;
+
+      if (USE_LEGACY_STATE (draw_num))
+        cull_mode = COGL_PIPELINE_CULL_FACE_MODE_BACK;
+      else
+        cull_mode = CULL_FACE_MODE (draw_num);
+
+      switch (cull_mode)
+        {
+        case COGL_PIPELINE_CULL_FACE_MODE_NONE:
+          cull_front = FALSE;
+          cull_back = FALSE;
+          break;
+
+        case COGL_PIPELINE_CULL_FACE_MODE_FRONT:
+          cull_front = TRUE;
+          cull_back = FALSE;
+          break;
+
+        case COGL_PIPELINE_CULL_FACE_MODE_BACK:
+          cull_front = FALSE;
+          cull_back = TRUE;
+          break;
+
+        case COGL_PIPELINE_CULL_FACE_MODE_BOTH:
+          cull_front = TRUE;
+          cull_back = TRUE;
+          break;
+        }
+
+      if (FRONT_WINDING (draw_num) == COGL_WINDING_CLOCKWISE)
+        {
+          CoglBool tmp = cull_front;
+          cull_front = cull_back;
+          cull_back = tmp;
+        }
+
+      /* Front-facing texture */
+      validate_part (framebuffer,
+                     0, y_offset + draw_num, !cull_front);
+      /* Front-facing texture with flipped tex coords */
+      validate_part (framebuffer,
+                     1, y_offset + draw_num, !cull_front);
+      /* Back-facing texture */
+      validate_part (framebuffer,
+                     2, y_offset + draw_num, !cull_back);
+      /* Front-facing texture polygon */
+      validate_part (framebuffer,
+                     3, y_offset + draw_num, !cull_front);
+      /* Back-facing texture polygon */
+      validate_part (framebuffer,
+                     4, y_offset + draw_num, !cull_back);
+    }
+}
+
+static void
+paint (TestState *state)
+{
+  CoglPipeline *pipeline;
+
+  paint_test_backface_culling (state, test_fb);
+
+  /*
+   * Now repeat the test but rendered to an offscreen
+   * framebuffer. Note that by default the conformance tests are
+   * always run to an offscreen buffer but we might as well have this
+   * check anyway in case it is being run with COGL_TEST_ONSCREEN=1
+   */
+  paint_test_backface_culling (state, state->offscreen);
+
+  /* Copy the result of the offscreen rendering for validation and
+   * also so we can have visual feedback. */
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_layer_texture (pipeline, 0, state->offscreen_tex);
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   0, TEXTURE_RENDER_SIZE * 16,
+                                   state->width,
+                                   state->height + TEXTURE_RENDER_SIZE * 16);
+  cogl_object_unref (pipeline);
+
+  validate_result (test_fb, 0);
+  validate_result (test_fb, 16);
+}
+
+static CoglTexture *
+make_texture (void)
+{
+  guchar *tex_data, *p;
+  CoglTexture *tex;
+
+  tex_data = g_malloc (TEXTURE_SIZE * TEXTURE_SIZE * 4);
+
+  for (p = tex_data + TEXTURE_SIZE * TEXTURE_SIZE * 4; p > tex_data;)
+    {
+      *(--p) = 255;
+      *(--p) = 0;
+      *(--p) = 0;
+      *(--p) = 255;
+    }
+
+  tex = test_utils_texture_new_from_data (test_ctx,
+                                          TEXTURE_SIZE,
+                                          TEXTURE_SIZE,
+                                          TEST_UTILS_TEXTURE_NO_ATLAS,
+                                          COGL_PIXEL_FORMAT_RGBA_8888,
+                                          TEXTURE_SIZE * 4,
+                                          tex_data);
+
+  g_free (tex_data);
+
+  return tex;
+}
+
+void
+test_backface_culling (void)
+{
+  TestState state;
+  CoglTexture *tex;
+
+  state.width = cogl_framebuffer_get_width (test_fb);
+  state.height = cogl_framebuffer_get_height (test_fb);
+
+  state.offscreen = NULL;
+
+  state.texture = make_texture ();
+
+  tex = test_utils_texture_new_with_size (test_ctx,
+                                          state.width, state.height,
+                                          TEST_UTILS_TEXTURE_NO_SLICING,
+                                          COGL_TEXTURE_COMPONENTS_RGBA);
+  state.offscreen = cogl_offscreen_new_with_texture (tex);
+  state.offscreen_tex = tex;
+
+  paint (&state);
+
+  cogl_object_unref (state.offscreen);
+  cogl_object_unref (state.offscreen_tex);
+  cogl_object_unref (state.texture);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-blend-strings.c b/tests/conform/test-blend-strings.c
new file mode 100644
index 0000000..f49c860
--- /dev/null
+++ b/tests/conform/test-blend-strings.c
@@ -0,0 +1,430 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+#define QUAD_WIDTH 20
+
+#define RED 0
+#define GREEN 1
+#define BLUE 2
+#define ALPHA 3
+
+#define MASK_RED(COLOR)   ((COLOR & 0xff000000) >> 24)
+#define MASK_GREEN(COLOR) ((COLOR & 0xff0000) >> 16)
+#define MASK_BLUE(COLOR)  ((COLOR & 0xff00) >> 8)
+#define MASK_ALPHA(COLOR) (COLOR & 0xff)
+
+#define BLEND_CONSTANT_UNUSED 0xDEADBEEF
+#define TEX_CONSTANT_UNUSED   0xDEADBEEF
+
+typedef struct _TestState
+{
+  CoglContext *ctx;
+} TestState;
+
+
+static void
+test_blend (TestState *state,
+            int x,
+            int y,
+            uint32_t src_color,
+            uint32_t dst_color,
+            const char *blend_string,
+            uint32_t blend_constant,
+            uint32_t expected_result)
+{
+  /* src color */
+  uint8_t Sr = MASK_RED (src_color);
+  uint8_t Sg = MASK_GREEN (src_color);
+  uint8_t Sb = MASK_BLUE (src_color);
+  uint8_t Sa = MASK_ALPHA (src_color);
+  /* dest color */
+  uint8_t Dr = MASK_RED (dst_color);
+  uint8_t Dg = MASK_GREEN (dst_color);
+  uint8_t Db = MASK_BLUE (dst_color);
+  uint8_t Da = MASK_ALPHA (dst_color);
+  /* blend constant - when applicable */
+  uint8_t Br = MASK_RED (blend_constant);
+  uint8_t Bg = MASK_GREEN (blend_constant);
+  uint8_t Bb = MASK_BLUE (blend_constant);
+  uint8_t Ba = MASK_ALPHA (blend_constant);
+  CoglColor blend_const_color;
+
+  CoglHandle material;
+  CoglPipeline *pipeline;
+  CoglBool status;
+  CoglError *error = NULL;
+  int y_off;
+  int x_off;
+
+  /* First write out the destination color without any blending... */
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_color4ub (pipeline, Dr, Dg, Db, Da);
+  cogl_pipeline_set_blend (pipeline, "RGBA = ADD (SRC_COLOR, 0)", NULL);
+  cogl_set_source (pipeline);
+  cogl_rectangle (x * QUAD_WIDTH,
+                  y * QUAD_WIDTH,
+                  x * QUAD_WIDTH + QUAD_WIDTH,
+                  y * QUAD_WIDTH + QUAD_WIDTH);
+  cogl_object_unref (pipeline);
+
+  /*
+   * Now blend a rectangle over our well defined destination:
+   */
+
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_color4ub (pipeline, Sr, Sg, Sb, Sa);
+
+  status = cogl_pipeline_set_blend (pipeline, blend_string, &error);
+  if (!status)
+    {
+      /* It's not strictly a test failure; you need a more capable GPU or
+       * driver to test this blend string. */
+      if (cogl_test_verbose ())
+	{
+	  g_debug ("Failed to test blend string %s: %s",
+		   blend_string, error->message);
+	  g_print ("Skipping\n");
+	}
+      return;
+    }
+
+  cogl_color_init_from_4ub (&blend_const_color, Br, Bg, Bb, Ba);
+  cogl_pipeline_set_blend_constant (pipeline, &blend_const_color);
+
+  cogl_set_source (pipeline);
+  cogl_rectangle (x * QUAD_WIDTH,
+                  y * QUAD_WIDTH,
+                  x * QUAD_WIDTH + QUAD_WIDTH,
+                  y * QUAD_WIDTH + QUAD_WIDTH);
+  cogl_object_unref (pipeline);
+
+  /* See what we got... */
+
+  y_off = y * QUAD_WIDTH + (QUAD_WIDTH / 2);
+  x_off = x * QUAD_WIDTH + (QUAD_WIDTH / 2);
+
+  if (cogl_test_verbose ())
+    {
+      g_print ("test_blend (%d, %d):\n%s\n", x, y, blend_string);
+      g_print ("  src color = %02x, %02x, %02x, %02x\n", Sr, Sg, Sb, Sa);
+      g_print ("  dst color = %02x, %02x, %02x, %02x\n", Dr, Dg, Db, Da);
+      if (blend_constant != BLEND_CONSTANT_UNUSED)
+        g_print ("  blend constant = %02x, %02x, %02x, %02x\n",
+                 Br, Bg, Bb, Ba);
+      else
+        g_print ("  blend constant = UNUSED\n");
+    }
+
+  test_utils_check_pixel (test_fb, x_off, y_off, expected_result);
+
+
+  /*
+   * Test with legacy API
+   */
+
+  /* Clear previous work */
+  cogl_set_source_color4ub (0, 0, 0, 0xff);
+  cogl_rectangle (x * QUAD_WIDTH,
+                  y * QUAD_WIDTH,
+                  x * QUAD_WIDTH + QUAD_WIDTH,
+                  y * QUAD_WIDTH + QUAD_WIDTH);
+
+  /* First write out the destination color without any blending... */
+  material = cogl_material_new ();
+  cogl_material_set_color4ub (material, Dr, Dg, Db, Da);
+  cogl_material_set_blend (material, "RGBA = ADD (SRC_COLOR, 0)", NULL);
+  cogl_set_source (material);
+  cogl_rectangle (x * QUAD_WIDTH,
+                  y * QUAD_WIDTH,
+                  x * QUAD_WIDTH + QUAD_WIDTH,
+                  y * QUAD_WIDTH + QUAD_WIDTH);
+  cogl_handle_unref (material);
+
+  /*
+   * Now blend a rectangle over our well defined destination:
+   */
+
+  material = cogl_material_new ();
+  cogl_material_set_color4ub (material, Sr, Sg, Sb, Sa);
+
+  status = cogl_material_set_blend (material, blend_string, &error);
+  if (!status)
+    {
+      /* This is a failure as it must be equivalent to the new API */
+      g_warning ("Error setting blend string %s: %s",
+		 blend_string, error->message);
+      g_assert_not_reached ();
+    }
+
+  cogl_color_init_from_4ub (&blend_const_color, Br, Bg, Bb, Ba);
+  cogl_material_set_blend_constant (material, &blend_const_color);
+
+  cogl_set_source (material);
+  cogl_rectangle (x * QUAD_WIDTH,
+                  y * QUAD_WIDTH,
+                  x * QUAD_WIDTH + QUAD_WIDTH,
+                  y * QUAD_WIDTH + QUAD_WIDTH);
+  cogl_handle_unref (material);
+
+  /* See what we got... */
+
+  test_utils_check_pixel (test_fb, x_off, y_off, expected_result);
+}
+
+static CoglTexture *
+make_texture (uint32_t color)
+{
+  guchar *tex_data, *p;
+  uint8_t r = MASK_RED (color);
+  uint8_t g = MASK_GREEN (color);
+  uint8_t b = MASK_BLUE (color);
+  uint8_t a = MASK_ALPHA (color);
+  CoglTexture *tex;
+
+  tex_data = g_malloc (QUAD_WIDTH * QUAD_WIDTH * 4);
+
+  for (p = tex_data + QUAD_WIDTH * QUAD_WIDTH * 4; p > tex_data;)
+    {
+      *(--p) = a;
+      *(--p) = b;
+      *(--p) = g;
+      *(--p) = r;
+    }
+
+  /* Note: we claim that the data is premultiplied so that Cogl won't
+   * premultiply the data on upload */
+  tex = test_utils_texture_new_from_data (test_ctx,
+                                          QUAD_WIDTH,
+                                          QUAD_WIDTH,
+                                          TEST_UTILS_TEXTURE_NONE,
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          QUAD_WIDTH * 4,
+                                          tex_data);
+
+  g_free (tex_data);
+
+  return tex;
+}
+
+static void
+test_tex_combine (TestState *state,
+                  int x,
+                  int y,
+                  uint32_t tex0_color,
+                  uint32_t tex1_color,
+                  uint32_t combine_constant,
+                  const char *combine_string,
+                  uint32_t expected_result)
+{
+  CoglTexture *tex0, *tex1;
+
+  /* combine constant - when applicable */
+  uint8_t Cr = MASK_RED (combine_constant);
+  uint8_t Cg = MASK_GREEN (combine_constant);
+  uint8_t Cb = MASK_BLUE (combine_constant);
+  uint8_t Ca = MASK_ALPHA (combine_constant);
+  CoglColor combine_const_color;
+
+  CoglHandle material;
+  CoglBool status;
+  CoglError *error = NULL;
+  int y_off;
+  int x_off;
+
+
+  tex0 = make_texture (tex0_color);
+  tex1 = make_texture (tex1_color);
+
+  material = cogl_material_new ();
+
+  cogl_material_set_color4ub (material, 0x80, 0x80, 0x80, 0x80);
+  cogl_material_set_blend (material, "RGBA = ADD (SRC_COLOR, 0)", NULL);
+
+  cogl_material_set_layer (material, 0, tex0);
+  cogl_material_set_layer_combine (material, 0,
+                                   "RGBA = REPLACE (TEXTURE)", NULL);
+
+  cogl_material_set_layer (material, 1, tex1);
+  status = cogl_material_set_layer_combine (material, 1,
+                                            combine_string, &error);
+  if (!status)
+    {
+      /* It's not strictly a test failure; you need a more capable GPU or
+       * driver to test this texture combine string. */
+      g_debug ("Failed to test texture combine string %s: %s",
+               combine_string, error->message);
+    }
+
+  cogl_color_init_from_4ub (&combine_const_color, Cr, Cg, Cb, Ca);
+  cogl_material_set_layer_combine_constant (material, 1, &combine_const_color);
+
+  cogl_set_source (material);
+  cogl_rectangle (x * QUAD_WIDTH,
+                  y * QUAD_WIDTH,
+                  x * QUAD_WIDTH + QUAD_WIDTH,
+                  y * QUAD_WIDTH + QUAD_WIDTH);
+
+  cogl_handle_unref (material);
+  cogl_object_unref (tex0);
+  cogl_object_unref (tex1);
+
+  /* See what we got... */
+
+  y_off = y * QUAD_WIDTH + (QUAD_WIDTH / 2);
+  x_off = x * QUAD_WIDTH + (QUAD_WIDTH / 2);
+
+  if (cogl_test_verbose ())
+    {
+      g_print ("test_tex_combine (%d, %d):\n%s\n", x, y, combine_string);
+      g_print ("  texture 0 color = 0x%08lX\n", (unsigned long)tex0_color);
+      g_print ("  texture 1 color = 0x%08lX\n", (unsigned long)tex1_color);
+      if (combine_constant != TEX_CONSTANT_UNUSED)
+        g_print ("  combine constant = %02x, %02x, %02x, %02x\n",
+                 Cr, Cg, Cb, Ca);
+      else
+        g_print ("  combine constant = UNUSED\n");
+    }
+
+  test_utils_check_pixel (test_fb, x_off, y_off, expected_result);
+}
+
+static void
+paint (TestState *state)
+{
+  test_blend (state, 0, 0, /* position */
+              0xff0000ff, /* src */
+              0xffffffff, /* dst */
+              "RGBA = ADD (SRC_COLOR, 0)",
+              BLEND_CONSTANT_UNUSED,
+              0xff0000ff); /* expected */
+
+  test_blend (state, 1, 0, /* position */
+              0x11223344, /* src */
+              0x11223344, /* dst */
+              "RGBA = ADD (SRC_COLOR, DST_COLOR)",
+              BLEND_CONSTANT_UNUSED,
+              0x22446688); /* expected */
+
+  test_blend (state, 2, 0, /* position */
+              0x80808080, /* src */
+              0xffffffff, /* dst */
+              "RGBA = ADD (SRC_COLOR * (CONSTANT), 0)",
+              0x80808080, /* constant (RGBA all = 0.5 when normalized) */
+              0x40404040); /* expected */
+
+  test_blend (state, 3, 0, /* position */
+              0x80000080, /* src (alpha = 0.5 when normalized) */
+              0x40000000, /* dst */
+              "RGBA = ADD (SRC_COLOR * (SRC_COLOR[A]),"
+              "            DST_COLOR * (1-SRC_COLOR[A]))",
+              BLEND_CONSTANT_UNUSED,
+              0x60000040); /* expected */
+
+  /* XXX:
+   * For all texture combine tests tex0 will use a combine mode of
+   * "RGBA = REPLACE (TEXTURE)"
+   */
+
+  test_tex_combine (state, 4, 0, /* position */
+                    0x11111111, /* texture 0 color */
+                    0x22222222, /* texture 1 color */
+                    TEX_CONSTANT_UNUSED,
+                    "RGBA = ADD (PREVIOUS, TEXTURE)", /* tex combine */
+                    0x33333333); /* expected */
+
+  test_tex_combine (state, 5, 0, /* position */
+                    0x40404040, /* texture 0 color */
+                    0x80808080, /* texture 1 color (RGBA all = 0.5) */
+                    TEX_CONSTANT_UNUSED,
+                    "RGBA = MODULATE (PREVIOUS, TEXTURE)", /* tex combine */
+                    0x20202020); /* expected */
+
+  test_tex_combine (state, 6, 0, /* position */
+                    0xffffff80, /* texture 0 color (alpha = 0.5) */
+                    0xDEADBE40, /* texture 1 color */
+                    TEX_CONSTANT_UNUSED,
+                    "RGB = REPLACE (PREVIOUS)"
+                    "A = MODULATE (PREVIOUS, TEXTURE)", /* tex combine */
+                    0xffffff20); /* expected */
+
+  /* XXX: we are assuming test_tex_combine creates a material with
+   * a color of 0x80808080 (i.e. the "PRIMARY" color) */
+  test_tex_combine (state, 7, 0, /* position */
+                    0xffffff80, /* texture 0 color (alpha = 0.5) */
+                    0xDEADBE20, /* texture 1 color */
+                    TEX_CONSTANT_UNUSED,
+                    "RGB = REPLACE (PREVIOUS)"
+                    "A = MODULATE (PRIMARY, TEXTURE)", /* tex combine */
+                    0xffffff10); /* expected */
+
+  test_tex_combine (state, 8, 0, /* position */
+                    0x11111111, /* texture 0 color */
+                    0x22222222, /* texture 1 color */
+                    TEX_CONSTANT_UNUSED,
+                    "RGBA = ADD (PREVIOUS, 1-TEXTURE)", /* tex combine */
+                    0xeeeeeeee); /* expected */
+
+  /* this is again assuming a primary color of 0x80808080 */
+  test_tex_combine (state, 9, 0, /* position */
+                    0x10101010, /* texture 0 color */
+                    0x20202020, /* texture 1 color */
+                    TEX_CONSTANT_UNUSED,
+                    "RGBA = INTERPOLATE (PREVIOUS, TEXTURE, PRIMARY)",
+                    0x18181818); /* expected */
+
+#if 0 /* using TEXTURE_N appears to be broken in cogl-blend-string.c */
+  test_tex_combine (state, 0, 1, /* position */
+                    0xDEADBEEF, /* texture 0 color (not used) */
+                    0x11223344, /* texture 1 color */
+                    TEX_CONSTANT_UNUSED,
+                    "RGBA = ADD (TEXTURE_1, TEXTURE)", /* tex combine */
+                    0x22446688); /* expected */
+#endif
+
+  test_tex_combine (state, 1, 1, /* position */
+                    0x21314151, /* texture 0 color */
+                    0x99999999, /* texture 1 color */
+                    TEX_CONSTANT_UNUSED,
+                    "RGBA = ADD_SIGNED (PREVIOUS, TEXTURE)", /* tex combine */
+                    0x3a4a5a6a); /* expected */
+
+  test_tex_combine (state, 2, 1, /* position */
+                    0xfedcba98, /* texture 0 color */
+                    0x11111111, /* texture 1 color */
+                    TEX_CONSTANT_UNUSED,
+                    "RGBA = SUBTRACT (PREVIOUS, TEXTURE)", /* tex combine */
+                    0xedcba987); /* expected */
+
+  test_tex_combine (state, 3, 1, /* position */
+                    0x8899aabb, /* texture 0 color */
+                    0xbbaa9988, /* texture 1 color */
+                    TEX_CONSTANT_UNUSED,
+                    "RGB = DOT3_RGBA (PREVIOUS, TEXTURE)"
+                    "A = REPLACE (PREVIOUS)",
+                    0x2a2a2abb); /* expected */
+}
+
+void
+test_blend_strings (void)
+{
+  TestState state;
+
+  cogl_framebuffer_orthographic (test_fb, 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  /* XXX: we have to push/pop a framebuffer since this test currently
+   * uses the legacy cogl_rectangle() api. */
+  cogl_push_framebuffer (test_fb);
+  paint (&state);
+  cogl_pop_framebuffer ();
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-blend.c b/tests/conform/test-blend.c
new file mode 100644
index 0000000..3c6235b
--- /dev/null
+++ b/tests/conform/test-blend.c
@@ -0,0 +1,64 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+static void
+paint (void)
+{
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+  int width = cogl_framebuffer_get_width (test_fb);
+  int half_width = width / 2;
+  int height = cogl_framebuffer_get_height (test_fb);
+  CoglVertexP2 tri0_vertices[] = {
+        { 0, 0 },
+        { 0, height },
+        { half_width, height },
+  };
+  CoglVertexP2C4 tri1_vertices[] = {
+        { half_width, 0, 0x80, 0x80, 0x80, 0x80 },
+        { half_width, height, 0x80, 0x80, 0x80, 0x80 },
+        { width, height, 0x80, 0x80, 0x80, 0x80 },
+  };
+  CoglPrimitive *tri0;
+  CoglPrimitive *tri1;
+
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 0);
+
+  tri0 = cogl_primitive_new_p2 (test_ctx, COGL_VERTICES_MODE_TRIANGLES,
+                                3, tri0_vertices);
+  tri1 = cogl_primitive_new_p2c4 (test_ctx, COGL_VERTICES_MODE_TRIANGLES,
+                                  3, tri1_vertices);
+
+  /* Check that cogl correctly handles the case where we draw
+   * different primitives same pipeline and switch from using the
+   * opaque color associated with the pipeline and using a colour
+   * attribute with an alpha component which implies blending is
+   * required.
+   *
+   * If Cogl gets this wrong then then in all likelyhood the second
+   * primitive will be drawn with blending still disabled.
+   */
+
+  cogl_primitive_draw (tri0, test_fb, pipeline);
+  cogl_primitive_draw (tri1, test_fb, pipeline);
+
+  test_utils_check_pixel_and_alpha (test_fb,
+                                    half_width + 5,
+                                    height - 5,
+                                    0x80808080);
+}
+
+void
+test_blend (void)
+{
+  cogl_framebuffer_orthographic (test_fb, 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  paint ();
+}
+
diff --git a/tests/conform/test-color-hsl.c b/tests/conform/test-color-hsl.c
new file mode 100644
index 0000000..651ce52
--- /dev/null
+++ b/tests/conform/test-color-hsl.c
@@ -0,0 +1,45 @@
+#include 
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+#define cogl_assert_float(a, b)         \
+  do {                                  \
+    if (fabsf ((a) - (b)) >= 0.0001f)   \
+      g_assert_cmpfloat ((a), ==, (b)); \
+  } while (0)
+
+void
+test_color_hsl (void)
+{
+  CoglColor color;
+  float hue, saturation, luminance;
+
+  cogl_color_init_from_4ub(&color, 108, 198, 78, 255);
+  cogl_color_to_hsl(&color, &hue, &saturation, &luminance);
+
+  cogl_assert_float(hue, 105.f);
+  cogl_assert_float(saturation, 0.512821);
+  cogl_assert_float(luminance, 0.541176);
+
+  memset(&color, 0, sizeof (CoglColor));
+  cogl_color_init_from_hsl(&color, hue, saturation, luminance);
+
+  g_assert_cmpint (cogl_color_get_red_byte (&color), ==, 108);
+  g_assert_cmpint (cogl_color_get_green_byte (&color), ==, 198);
+  g_assert_cmpint (cogl_color_get_blue_byte (&color), ==, 78);
+  g_assert_cmpint (cogl_color_get_alpha_byte (&color), ==, 255);
+
+  memset(&color, 0, sizeof (CoglColor));
+  cogl_color_init_from_hsl(&color, hue, 0, luminance);
+
+  cogl_assert_float (cogl_color_get_red_float (&color), luminance);
+  cogl_assert_float (cogl_color_get_green_float (&color), luminance);
+  cogl_assert_float (cogl_color_get_blue_float (&color), luminance);
+  cogl_assert_float (cogl_color_get_alpha_float (&color), 1.0f);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-color-mask.c b/tests/conform/test-color-mask.c
new file mode 100644
index 0000000..e80f46d
--- /dev/null
+++ b/tests/conform/test-color-mask.c
@@ -0,0 +1,110 @@
+#include 
+
+#include "test-utils.h"
+
+#define TEX_SIZE 128
+
+#define NUM_FBOS 3
+
+typedef struct _TestState
+{
+  int width;
+  int height;
+
+  CoglTexture *tex[NUM_FBOS];
+  CoglFramebuffer *fbo[NUM_FBOS];
+} TestState;
+
+static void
+paint (TestState *state)
+{
+  CoglColor bg;
+  int i;
+
+  cogl_set_source_color4ub (255, 255, 255, 255);
+
+  /* We push the third framebuffer first so that later we can switch
+     back to it by popping to test that that works */
+  cogl_push_framebuffer (state->fbo[2]);
+
+  cogl_push_framebuffer (state->fbo[0]);
+  cogl_rectangle (-1.0, -1.0, 1.0, 1.0);
+  cogl_pop_framebuffer ();
+
+  cogl_push_framebuffer (state->fbo[1]);
+  cogl_rectangle (-1.0, -1.0, 1.0, 1.0);
+  cogl_pop_framebuffer ();
+
+  /* We should now be back on the third framebuffer */
+  cogl_rectangle (-1.0, -1.0, 1.0, 1.0);
+  cogl_pop_framebuffer ();
+
+  cogl_color_init_from_4ub (&bg, 128, 128, 128, 255);
+  cogl_clear (&bg, COGL_BUFFER_BIT_COLOR | COGL_BUFFER_BIT_DEPTH);
+
+  /* Render all of the textures to the screen */
+  for (i = 0; i < NUM_FBOS; i++)
+    {
+      CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+      cogl_pipeline_set_layer_texture (pipeline, 0, state->tex[i]);
+      cogl_framebuffer_draw_rectangle (test_fb, pipeline,
+                                       2.0f / NUM_FBOS * i - 1.0f, -1.0f,
+                                       2.0f / NUM_FBOS * (i + 1) - 1.0f, 1.0f);
+      cogl_object_unref (pipeline);
+    }
+
+  /* Verify all of the fbos drew the right color */
+  for (i = 0; i < NUM_FBOS; i++)
+    {
+      uint8_t expected_colors[NUM_FBOS][4] =
+        { { 0xff, 0x00, 0x00, 0xff },
+          { 0x00, 0xff, 0x00, 0xff },
+          { 0x00, 0x00, 0xff, 0xff } };
+
+      test_utils_check_pixel_rgb (test_fb,
+                                  state->width * (i + 0.5f) / NUM_FBOS,
+                                  state->height / 2,
+                                  expected_colors[i][0],
+                                  expected_colors[i][1],
+                                  expected_colors[i][2]);
+    }
+}
+
+void
+test_color_mask (void)
+{
+  TestState state;
+  int i;
+
+  state.width = cogl_framebuffer_get_width (test_fb);
+  state.height = cogl_framebuffer_get_height (test_fb);
+
+  for (i = 0; i < NUM_FBOS; i++)
+    {
+      state.tex[i] = test_utils_texture_new_with_size (test_ctx, 128, 128,
+                                                 TEST_UTILS_TEXTURE_NO_ATLAS,
+                                                 COGL_TEXTURE_COMPONENTS_RGB);
+
+
+      state.fbo[i] = cogl_offscreen_new_with_texture (state.tex[i]);
+
+      /* Clear the texture color bits */
+      cogl_framebuffer_clear4f (state.fbo[i],
+                                COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+      cogl_framebuffer_set_color_mask (state.fbo[i],
+                                       i == 0 ? COGL_COLOR_MASK_RED :
+                                       i == 1 ? COGL_COLOR_MASK_GREEN :
+                                       COGL_COLOR_MASK_BLUE);
+    }
+
+  /* XXX: we have to push/pop a framebuffer since this test currently
+   * uses the legacy cogl_rectangle() api. */
+  cogl_push_framebuffer (test_fb);
+  paint (&state);
+  cogl_pop_framebuffer ();
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-conform-main.c b/tests/conform/test-conform-main.c
new file mode 100644
index 0000000..63210d0
--- /dev/null
+++ b/tests/conform/test-conform-main.c
@@ -0,0 +1,157 @@
+#include "config.h"
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+
+#include "test-utils.h"
+
+/* A bit of sugar for adding new conformance tests */
+#define ADD_TEST(FUNC, REQUIREMENTS, KNOWN_FAIL_REQUIREMENTS)           \
+  G_STMT_START {                                                        \
+    extern void FUNC (void);                                            \
+    if (strcmp (#FUNC, argv[1]) == 0)                                   \
+      {                                                                 \
+        test_utils_init (REQUIREMENTS, KNOWN_FAIL_REQUIREMENTS);        \
+        FUNC ();                                                        \
+        test_utils_fini ();                                             \
+        exit (0);                                                       \
+      }                                                                 \
+  } G_STMT_END
+
+#define UNPORTED_TEST(FUNC)
+
+int
+main (int argc, char **argv)
+{
+  int i;
+
+  if (argc != 2)
+    {
+      g_printerr ("usage %s UNIT_TEST\n", argv[0]);
+      exit (1);
+    }
+
+  /* Just for convenience in case people try passing the wrapper
+   * filenames for the UNIT_TEST argument we normalize '-' characters
+   * to '_' characters... */
+  for (i = 0; argv[1][i]; i++)
+    {
+      if (argv[1][i] == '-')
+        argv[1][i] = '_';
+    }
+
+  /* This file is run through a sed script during the make step so the
+   * lines containing the tests need to be formatted on a single line
+   * each.
+   */
+
+  UNPORTED_TEST (test_object);
+  UNPORTED_TEST (test_fixed);
+  UNPORTED_TEST (test_materials);
+  ADD_TEST (test_pipeline_user_matrix, 0, 0);
+  ADD_TEST (test_blend_strings, 0, 0);
+  ADD_TEST (test_blend, 0, 0);
+  ADD_TEST (test_premult, 0, 0);
+  UNPORTED_TEST (test_readpixels);
+#ifdef COGL_HAS_COGL_PATH_SUPPORT
+  ADD_TEST (test_path, 0, 0);
+  ADD_TEST (test_path_clip, 0, 0);
+#endif
+  ADD_TEST (test_depth_test, 0, 0);
+  ADD_TEST (test_color_mask, 0, 0);
+  ADD_TEST (test_backface_culling, 0, TEST_REQUIREMENT_NPOT);
+  ADD_TEST (test_layer_remove, 0, 0);
+
+  ADD_TEST (test_sparse_pipeline, 0, 0);
+
+  ADD_TEST (test_npot_texture, 0, 0);
+  UNPORTED_TEST (test_multitexture);
+  UNPORTED_TEST (test_texture_mipmaps);
+  ADD_TEST (test_sub_texture, 0, 0);
+  ADD_TEST (test_pixel_buffer_map, 0, 0);
+  ADD_TEST (test_pixel_buffer_set_data, 0, 0);
+  ADD_TEST (test_pixel_buffer_sub_region, 0, 0);
+  UNPORTED_TEST (test_texture_rectangle);
+  ADD_TEST (test_texture_3d, TEST_REQUIREMENT_TEXTURE_3D, 0);
+  ADD_TEST (test_wrap_modes, 0, 0);
+  UNPORTED_TEST (test_texture_pixmap_x11);
+  ADD_TEST (test_texture_get_set_data, 0, 0);
+  ADD_TEST (test_atlas_migration, 0, 0);
+  ADD_TEST (test_read_texture_formats, 0, 0);
+  ADD_TEST (test_write_texture_formats, 0, 0);
+  ADD_TEST (test_alpha_textures, 0, 0);
+  ADD_TEST (test_wrap_rectangle_textures,
+            TEST_REQUIREMENT_TEXTURE_RECTANGLE,
+            TEST_KNOWN_FAILURE);
+
+  UNPORTED_TEST (test_vertex_buffer_contiguous);
+  UNPORTED_TEST (test_vertex_buffer_interleved);
+  UNPORTED_TEST (test_vertex_buffer_mutability);
+
+  ADD_TEST (test_primitive, 0, 0);
+
+  ADD_TEST (test_just_vertex_shader, TEST_REQUIREMENT_GLSL, 0);
+  ADD_TEST (test_pipeline_uniforms, TEST_REQUIREMENT_GLSL, 0);
+  ADD_TEST (test_snippets, TEST_REQUIREMENT_GLSL, 0);
+  ADD_TEST (test_custom_attributes, TEST_REQUIREMENT_GLSL, 0);
+
+  ADD_TEST (test_offscreen, 0, 0);
+  ADD_TEST (test_framebuffer_get_bits,
+            TEST_REQUIREMENT_OFFSCREEN | TEST_REQUIREMENT_GL,
+            0);
+
+  ADD_TEST (test_point_size, 0, 0);
+  ADD_TEST (test_point_size_attribute,
+            TEST_REQUIREMENT_PER_VERTEX_POINT_SIZE, 0);
+  ADD_TEST (test_point_size_attribute_snippet,
+            TEST_REQUIREMENT_PER_VERTEX_POINT_SIZE |
+            TEST_REQUIREMENT_GLSL, 0);
+  ADD_TEST (test_point_sprite,
+            TEST_REQUIREMENT_POINT_SPRITE,
+            0);
+  ADD_TEST (test_point_sprite_orientation,
+            TEST_REQUIREMENT_POINT_SPRITE,
+            TEST_KNOWN_FAILURE);
+  ADD_TEST (test_point_sprite_glsl,
+            TEST_REQUIREMENT_POINT_SPRITE |
+            TEST_REQUIREMENT_GLSL,
+            0);
+
+  ADD_TEST (test_version, 0, 0);
+
+  ADD_TEST (test_alpha_test, 0, 0);
+
+  ADD_TEST (test_map_buffer_range, TEST_REQUIREMENT_MAP_WRITE, 0);
+
+  ADD_TEST (test_primitive_and_journal, 0, 0);
+
+  ADD_TEST (test_copy_replace_texture, 0, 0);
+
+  ADD_TEST (test_pipeline_cache_unrefs_texture, 0, 0);
+  ADD_TEST (test_pipeline_shader_state, TEST_REQUIREMENT_GLSL, 0);
+
+  UNPORTED_TEST (test_viewport);
+
+  ADD_TEST (test_gles2_context, TEST_REQUIREMENT_GLES2_CONTEXT, 0);
+  ADD_TEST (test_gles2_context_fbo, TEST_REQUIREMENT_GLES2_CONTEXT, 0);
+  ADD_TEST (test_gles2_context_copy_tex_image,
+            TEST_REQUIREMENT_GLES2_CONTEXT,
+            0);
+
+  ADD_TEST (test_euler_quaternion, 0, 0);
+  ADD_TEST (test_color_hsl, 0, 0);
+
+  ADD_TEST (test_fence, TEST_REQUIREMENT_FENCE, 0);
+
+  ADD_TEST (test_texture_no_allocate, 0, 0);
+
+  ADD_TEST (test_texture_rg, TEST_REQUIREMENT_TEXTURE_RG, 0);
+
+  g_printerr ("Unknown test name \"%s\"\n", argv[1]);
+
+  return 1;
+}
diff --git a/tests/conform/test-copy-replace-texture.c b/tests/conform/test-copy-replace-texture.c
new file mode 100644
index 0000000..f11070e
--- /dev/null
+++ b/tests/conform/test-copy-replace-texture.c
@@ -0,0 +1,120 @@
+#include 
+#include 
+
+#include "test-utils.h"
+
+/* Keep track of the number of textures that we've created and are
+ * still alive */
+static int alive_texture_mask = 0;
+
+#define N_LAYERS 3
+#define N_PIPELINES 4
+
+#define PIPELINE_LAYER_MASK(pipeline_num)                       \
+  (((1 << N_LAYERS) - 1) << (N_LAYERS * (pipeline_num) + 1))
+#define LAST_PIPELINE_MASK PIPELINE_LAYER_MASK (N_PIPELINES - 1)
+#define FIRST_PIPELINE_MASK PIPELINE_LAYER_MASK (0)
+
+static void
+free_texture_cb (void *user_data)
+{
+  int texture_num = GPOINTER_TO_INT (user_data);
+
+  alive_texture_mask &= ~(1 << texture_num);
+}
+
+static CoglTexture *
+create_texture (void)
+{
+  static const guint8 data[] =
+    { 0xff, 0xff, 0xff, 0xff };
+  static CoglUserDataKey texture_data_key;
+  CoglTexture2D *tex_2d;
+  static int texture_num = 1;
+
+  alive_texture_mask |= (1 << texture_num);
+
+  tex_2d = cogl_texture_2d_new_from_data (test_ctx,
+                                          1, 1, /* width / height */
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          4, /* rowstride */
+                                          data,
+                                          NULL);
+
+  /* Set some user data on the texture so we can track when it has
+   * been destroyed */
+  cogl_object_set_user_data (COGL_OBJECT (tex_2d),
+                             &texture_data_key,
+                             GINT_TO_POINTER (texture_num),
+                             free_texture_cb);
+
+  texture_num++;
+
+  return tex_2d;
+}
+
+void
+test_copy_replace_texture (void)
+{
+  CoglPipeline *pipelines[N_PIPELINES];
+  int pipeline_num;
+
+  /* Create a set of pipeline copies each with three of their own
+   * replacement textures */
+  for (pipeline_num = 0; pipeline_num < N_PIPELINES; pipeline_num++)
+    {
+      int layer_num;
+
+      if (pipeline_num == 0)
+        pipelines[pipeline_num] = cogl_pipeline_new (test_ctx);
+      else
+        pipelines[pipeline_num] =
+          cogl_pipeline_copy (pipelines[pipeline_num - 1]);
+
+      for (layer_num = 0; layer_num < N_LAYERS; layer_num++)
+        {
+          CoglTexture *tex = create_texture ();
+          cogl_pipeline_set_layer_texture (pipelines[pipeline_num],
+                                           layer_num,
+                                           tex);
+          cogl_object_unref (tex);
+        }
+    }
+
+  /* Unref everything but the last pipeline */
+  for (pipeline_num = 0; pipeline_num < N_PIPELINES - 1; pipeline_num++)
+    cogl_object_unref (pipelines[pipeline_num]);
+
+  if (alive_texture_mask && cogl_test_verbose ())
+    {
+      int i;
+
+      g_print ("Alive textures:");
+
+      for (i = 0; i < N_PIPELINES * N_LAYERS; i++)
+        if ((alive_texture_mask & (1 << (i + 1))))
+          g_print (" %i", i);
+
+      g_print ("\n");
+    }
+
+  /* Ideally there should only be the textures from the last pipeline
+   * left alive. We also let Cogl keep the textures from the first
+   * texture alive because currently the child of the third layer in
+   * the first pipeline will retain its authority on the unit index
+   * state so that it can set it to 2. If there are more textures then
+   * it means the pipeline isn't correctly pruning redundant
+   * ancestors */
+  g_assert_cmpint (alive_texture_mask & ~FIRST_PIPELINE_MASK,
+                   ==,
+                   LAST_PIPELINE_MASK);
+
+  /* Clean up the last pipeline */
+  cogl_object_unref (pipelines[N_PIPELINES - 1]);
+
+  /* That should get rid of the last of the textures */
+  g_assert_cmpint (alive_texture_mask, ==, 0);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-custom-attributes.c b/tests/conform/test-custom-attributes.c
new file mode 100644
index 0000000..633dc2a
--- /dev/null
+++ b/tests/conform/test-custom-attributes.c
@@ -0,0 +1,301 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+typedef struct _TestState
+{
+  CoglPipeline *pipeline;
+} TestState;
+
+typedef struct
+{
+  int16_t x, y;
+  float r, g, b, a;
+} FloatVert;
+
+typedef struct
+{
+  int16_t x, y;
+  uint8_t r, g, b, a;
+} ByteVert;
+
+typedef struct
+{
+  int16_t x, y;
+  int16_t r, g, b, a;
+} ShortVert;
+
+static void
+test_float_verts (TestState *state, int offset_x, int offset_y)
+{
+  CoglAttribute *attributes[2];
+  CoglAttributeBuffer *buffer;
+  CoglPrimitive *primitive;
+
+  static const FloatVert float_verts[] =
+    {
+      { 0, 10, /**/ 1, 0, 0, 1 },
+      { 10, 10, /**/ 1, 0, 0, 1 },
+      { 5, 0, /**/ 1, 0, 0, 1 },
+
+      { 10, 10, /**/ 0, 1, 0, 1 },
+      { 20, 10, /**/ 0, 1, 0, 1 },
+      { 15, 0, /**/ 0, 1, 0, 1 }
+    };
+
+  buffer = cogl_attribute_buffer_new (test_ctx,
+                                      sizeof (float_verts), float_verts);
+  attributes[0] = cogl_attribute_new (buffer,
+                                      "cogl_position_in",
+                                      sizeof (FloatVert),
+                                      G_STRUCT_OFFSET (FloatVert, x),
+                                      2, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_SHORT);
+  attributes[1] = cogl_attribute_new (buffer,
+                                      "color",
+                                      sizeof (FloatVert),
+                                      G_STRUCT_OFFSET (FloatVert, r),
+                                      4, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_FLOAT);
+
+  cogl_framebuffer_push_matrix (test_fb);
+  cogl_framebuffer_translate (test_fb, offset_x, offset_y, 0.0f);
+
+  primitive = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES,
+                                                  6, /* n_vertices */
+                                                  attributes,
+                                                  2); /* n_attributes */
+  cogl_primitive_draw (primitive, test_fb, state->pipeline);
+  cogl_object_unref (primitive);
+
+  cogl_framebuffer_pop_matrix (test_fb);
+
+  cogl_object_unref (attributes[1]);
+  cogl_object_unref (attributes[0]);
+  cogl_object_unref (buffer);
+
+  test_utils_check_pixel (test_fb, offset_x + 5, offset_y + 5, 0xff0000ff);
+  test_utils_check_pixel (test_fb, offset_x + 15, offset_y + 5, 0x00ff00ff);
+}
+
+static void
+test_byte_verts (TestState *state, int offset_x, int offset_y)
+{
+  CoglAttribute *attributes[2];
+  CoglAttributeBuffer *buffer, *unnorm_buffer;
+  CoglPrimitive *primitive;
+
+  static const ByteVert norm_verts[] =
+    {
+      { 0, 10, /**/ 255, 0, 0, 255 },
+      { 10, 10, /**/ 255, 0, 0, 255 },
+      { 5, 0, /**/ 255, 0, 0, 255 },
+
+      { 10, 10, /**/ 0, 255, 0, 255 },
+      { 20, 10, /**/ 0, 255, 0, 255 },
+      { 15, 0, /**/ 0, 255, 0, 255 }
+    };
+
+  static const ByteVert unnorm_verts[] =
+    {
+      { 0, 0, /**/ 0, 0, 1, 1 },
+      { 0, 0, /**/ 0, 0, 1, 1 },
+      { 0, 0, /**/ 0, 0, 1, 1 },
+    };
+
+  buffer = cogl_attribute_buffer_new (test_ctx,
+                                      sizeof (norm_verts), norm_verts);
+  attributes[0] = cogl_attribute_new (buffer,
+                                      "cogl_position_in",
+                                      sizeof (ByteVert),
+                                      G_STRUCT_OFFSET (ByteVert, x),
+                                      2, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_SHORT);
+  attributes[1] = cogl_attribute_new (buffer,
+                                      "color",
+                                      sizeof (ByteVert),
+                                      G_STRUCT_OFFSET (ByteVert, r),
+                                      4, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_UNSIGNED_BYTE);
+  cogl_attribute_set_normalized (attributes[1], TRUE);
+
+  cogl_framebuffer_push_matrix (test_fb);
+  cogl_framebuffer_translate (test_fb, offset_x, offset_y, 0.0f);
+
+  primitive = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES,
+                                                  6, /* n_vertices */
+                                                  attributes,
+                                                  2); /* n_attributes */
+  cogl_primitive_draw (primitive, test_fb, state->pipeline);
+  cogl_object_unref (primitive);
+
+  cogl_object_unref (attributes[1]);
+
+  /* Test again with unnormalized attributes */
+  unnorm_buffer = cogl_attribute_buffer_new (test_ctx,
+                                             sizeof (unnorm_verts),
+                                             unnorm_verts);
+  attributes[1] = cogl_attribute_new (unnorm_buffer,
+                                      "color",
+                                      sizeof (ByteVert),
+                                      G_STRUCT_OFFSET (ByteVert, r),
+                                      4, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_BYTE);
+
+  cogl_framebuffer_translate (test_fb, 20, 0, 0);
+
+  primitive = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES,
+                                                  3, /* n_vertices */
+                                                  attributes,
+                                                  2); /* n_attributes */
+  cogl_primitive_draw (primitive, test_fb, state->pipeline);
+  cogl_object_unref (primitive);
+
+  cogl_framebuffer_pop_matrix (test_fb);
+
+  cogl_object_unref (attributes[0]);
+  cogl_object_unref (attributes[1]);
+  cogl_object_unref (buffer);
+  cogl_object_unref (unnorm_buffer);
+
+  test_utils_check_pixel (test_fb, offset_x + 5, offset_y + 5, 0xff0000ff);
+  test_utils_check_pixel (test_fb, offset_x + 15, offset_y + 5, 0x00ff00ff);
+  test_utils_check_pixel (test_fb, offset_x + 25, offset_y + 5, 0x0000ffff);
+}
+
+static void
+test_short_verts (TestState *state, int offset_x, int offset_y)
+{
+  CoglAttribute *attributes[2];
+  CoglAttributeBuffer *buffer;
+  CoglPipeline *pipeline, *pipeline2;
+  CoglSnippet *snippet;
+  CoglPrimitive *primitive;
+
+  static const ShortVert short_verts[] =
+    {
+      { -10, -10, /**/ 0xffff, 0, 0, 0xffff },
+      { -1, -10,  /**/ 0xffff, 0, 0, 0xffff },
+      { -5, -1, /**/ 0xffff, 0, 0, 0xffff }
+    };
+
+
+  pipeline = cogl_pipeline_copy (state->pipeline);
+
+  cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
+
+  buffer = cogl_attribute_buffer_new (test_ctx,
+                                      sizeof (short_verts), short_verts);
+  attributes[0] = cogl_attribute_new (buffer,
+                                      "cogl_position_in",
+                                      sizeof (ShortVert),
+                                      G_STRUCT_OFFSET (ShortVert, x),
+                                      2, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_SHORT);
+  attributes[1] = cogl_attribute_new (buffer,
+                                      "color",
+                                      sizeof (ShortVert),
+                                      G_STRUCT_OFFSET (ShortVert, r),
+                                      4, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT);
+  cogl_attribute_set_normalized (attributes[1], TRUE);
+
+  cogl_framebuffer_push_matrix (test_fb);
+  cogl_framebuffer_translate (test_fb,
+                              offset_x + 10.0f,
+                              offset_y + 10.0f,
+                              0.0f);
+
+  primitive = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES,
+                                                  3, /* n_vertices */
+                                                  attributes,
+                                                  2); /* n_attributes */
+  cogl_primitive_draw (primitive, test_fb, pipeline);
+  cogl_object_unref (primitive);
+
+  cogl_framebuffer_pop_matrix (test_fb);
+
+  cogl_object_unref (attributes[0]);
+
+  /* Test again treating the attribute as unsigned */
+  attributes[0] = cogl_attribute_new (buffer,
+                                      "cogl_position_in",
+                                      sizeof (ShortVert),
+                                      G_STRUCT_OFFSET (ShortVert, x),
+                                      2, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_UNSIGNED_SHORT);
+
+  /* XXX: this is a hack to force the pipeline to use the glsl backend
+   * because we know it's not possible to test short vertex position
+   * components with the legacy GL backend since which might otherwise
+   * be used internally... */
+  pipeline2 = cogl_pipeline_new (test_ctx);
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
+                              "attribute vec4 color;",
+                              "cogl_color_out = vec4 (0.0, 1.0, 0.0, 1.0);");
+  cogl_pipeline_add_snippet (pipeline2, snippet);
+
+  cogl_framebuffer_push_matrix (test_fb);
+  cogl_framebuffer_translate (test_fb,
+                              offset_x + 10.0f - 65525.0f,
+                              offset_y - 65525,
+                              0.0f);
+
+  primitive = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES,
+                                                  3, /* n_vertices */
+                                                  attributes,
+                                                  1); /* n_attributes */
+  cogl_primitive_draw (primitive, test_fb, pipeline2);
+  cogl_object_unref (primitive);
+
+  cogl_framebuffer_pop_matrix (test_fb);
+
+  cogl_object_unref (attributes[0]);
+
+  cogl_object_unref (pipeline2);
+  cogl_object_unref (pipeline);
+  cogl_object_unref (buffer);
+
+  test_utils_check_pixel (test_fb, offset_x + 5, offset_y + 5, 0xff0000ff);
+  test_utils_check_pixel (test_fb, offset_x + 15, offset_y + 5, 0x00ff00ff);
+}
+
+static void
+paint (TestState *state)
+{
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+  test_float_verts (state, 0, 0);
+  test_byte_verts (state, 0, 10);
+  test_short_verts (state, 0, 20);
+}
+
+void
+test_custom_attributes (void)
+{
+  CoglSnippet *snippet;
+  TestState state;
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  state.pipeline = cogl_pipeline_new (test_ctx);
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
+                              "attribute vec4 color;",
+                              "cogl_color_out = color;");
+  cogl_pipeline_add_snippet (state.pipeline, snippet);
+
+  paint (&state);
+
+  cogl_object_unref (state.pipeline);
+  cogl_object_unref (snippet);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-depth-test.c b/tests/conform/test-depth-test.c
new file mode 100644
index 0000000..bfa9d0e
--- /dev/null
+++ b/tests/conform/test-depth-test.c
@@ -0,0 +1,301 @@
+#define COGL_VERSION_MIN_REQUIRED COGL_VERSION_1_0
+
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+#define QUAD_WIDTH 20
+
+#define RED 0
+#define GREEN 1
+#define BLUE 2
+#define ALPHA 3
+
+#define MASK_RED(COLOR)   ((COLOR & 0xff000000) >> 24)
+#define MASK_GREEN(COLOR) ((COLOR & 0xff0000) >> 16)
+#define MASK_BLUE(COLOR)  ((COLOR & 0xff00) >> 8)
+#define MASK_ALPHA(COLOR) (COLOR & 0xff)
+
+typedef struct _TestState
+{
+  int padding;
+} TestState;
+
+typedef struct
+{
+  uint32_t               color;
+  float                 depth;
+  CoglBool              test_enable;
+  CoglDepthTestFunction test_function;
+  CoglBool              write_enable;
+  CoglBool              fb_write_enable;
+  float                 range_near;
+  float                 range_far;
+} TestDepthState;
+
+static CoglBool
+draw_rectangle (TestState *state,
+                int x,
+                int y,
+                TestDepthState *rect_state,
+                CoglBool legacy_mode)
+{
+  uint8_t Cr = MASK_RED (rect_state->color);
+  uint8_t Cg = MASK_GREEN (rect_state->color);
+  uint8_t Cb = MASK_BLUE (rect_state->color);
+  uint8_t Ca = MASK_ALPHA (rect_state->color);
+  CoglPipeline *pipeline;
+  CoglDepthState depth_state;
+
+  cogl_depth_state_init (&depth_state);
+  cogl_depth_state_set_test_enabled (&depth_state, rect_state->test_enable);
+  cogl_depth_state_set_test_function (&depth_state, rect_state->test_function);
+  cogl_depth_state_set_write_enabled (&depth_state, rect_state->write_enable);
+  cogl_depth_state_set_range (&depth_state,
+                              rect_state->range_near,
+                              rect_state->range_far);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+  if (!cogl_pipeline_set_depth_state (pipeline, &depth_state, NULL))
+    {
+      cogl_object_unref (pipeline);
+      return FALSE;
+    }
+
+  if (!legacy_mode)
+    {
+      cogl_pipeline_set_color4ub (pipeline, Cr, Cg, Cb, Ca);
+
+      cogl_framebuffer_set_depth_write_enabled (test_fb,
+                                                rect_state->fb_write_enable);
+      cogl_framebuffer_push_matrix (test_fb);
+      cogl_framebuffer_translate (test_fb, 0, 0, rect_state->depth);
+      cogl_framebuffer_draw_rectangle (test_fb,
+                                       pipeline,
+                                       x * QUAD_WIDTH,
+                                       y * QUAD_WIDTH,
+                                       x * QUAD_WIDTH + QUAD_WIDTH,
+                                       y * QUAD_WIDTH + QUAD_WIDTH);
+      cogl_framebuffer_pop_matrix (test_fb);
+    }
+  else
+    {
+      cogl_push_framebuffer (test_fb);
+      cogl_push_matrix ();
+      cogl_set_source_color4ub (Cr, Cg, Cb, Ca);
+      cogl_translate (0, 0, rect_state->depth);
+      cogl_rectangle (x * QUAD_WIDTH,
+                      y * QUAD_WIDTH,
+                      x * QUAD_WIDTH + QUAD_WIDTH,
+                      y * QUAD_WIDTH + QUAD_WIDTH);
+      cogl_pop_matrix ();
+      cogl_pop_framebuffer ();
+    }
+
+  cogl_object_unref (pipeline);
+
+  return TRUE;
+}
+
+static void
+test_depth (TestState *state,
+            int x,
+            int y,
+            TestDepthState *rect0_state,
+            TestDepthState *rect1_state,
+            TestDepthState *rect2_state,
+            CoglBool legacy_mode,
+            uint32_t expected_result)
+{
+  CoglBool missing_feature = FALSE;
+
+  if (rect0_state)
+    missing_feature |= !draw_rectangle (state, x, y, rect0_state, legacy_mode);
+  if (rect1_state)
+    missing_feature |= !draw_rectangle (state, x, y, rect1_state, legacy_mode);
+  if (rect2_state)
+    missing_feature |= !draw_rectangle (state, x, y, rect2_state, legacy_mode);
+
+  /* We don't consider it an error that we can't test something
+   * the driver doesn't support. */
+  if (missing_feature)
+    return;
+
+  test_utils_check_pixel (test_fb,
+                          x * QUAD_WIDTH + (QUAD_WIDTH / 2),
+                          y * QUAD_WIDTH + (QUAD_WIDTH / 2),
+                          expected_result);
+}
+
+static void
+paint (TestState *state)
+{
+  /* Sanity check a few of the different depth test functions
+   * and that depth writing can be disabled... */
+
+  {
+    /* Closest */
+    TestDepthState rect0_state = {
+      0xff0000ff, /* rgba color */
+      -10, /* depth */
+      FALSE, /* depth test enable */
+      COGL_DEPTH_TEST_FUNCTION_ALWAYS,
+      TRUE, /* depth write enable */
+      TRUE, /* FB depth write enable */
+      0, 1 /* depth range */
+    };
+    /* Furthest */
+    TestDepthState rect1_state = {
+      0x00ff00ff, /* rgba color */
+      -70, /* depth */
+      TRUE, /* depth test enable */
+      COGL_DEPTH_TEST_FUNCTION_ALWAYS,
+      TRUE, /* depth write enable */
+      TRUE, /* FB depth write enable */
+      0, 1 /* depth range */
+    };
+    /* In the middle */
+    TestDepthState rect2_state = {
+      0x0000ffff, /* rgba color */
+      -20, /* depth */
+      TRUE, /* depth test enable */
+      COGL_DEPTH_TEST_FUNCTION_NEVER,
+      TRUE, /* depth write enable */
+      TRUE, /* FB depth write enable */
+      0, 1 /* depth range */
+    };
+
+    test_depth (state, 0, 0, /* position */
+                &rect0_state, &rect1_state, &rect2_state,
+                FALSE, /* legacy mode */
+                0x00ff00ff); /* expected */
+
+    rect2_state.test_function = COGL_DEPTH_TEST_FUNCTION_ALWAYS;
+    test_depth (state, 1, 0, /* position */
+                &rect0_state, &rect1_state, &rect2_state,
+                FALSE, /* legacy mode */
+                0x0000ffff); /* expected */
+
+    rect2_state.test_function = COGL_DEPTH_TEST_FUNCTION_LESS;
+    test_depth (state, 2, 0, /* position */
+                &rect0_state, &rect1_state, &rect2_state,
+                FALSE, /* legacy mode */
+                0x0000ffff); /* expected */
+
+    rect2_state.test_function = COGL_DEPTH_TEST_FUNCTION_GREATER;
+    test_depth (state, 3, 0, /* position */
+                &rect0_state, &rect1_state, &rect2_state,
+                FALSE, /* legacy mode */
+                0x00ff00ff); /* expected */
+
+    rect0_state.test_enable = TRUE;
+    rect1_state.write_enable = FALSE;
+    test_depth (state, 4, 0, /* position */
+                &rect0_state, &rect1_state, &rect2_state,
+                FALSE, /* legacy mode */
+                0x0000ffff); /* expected */
+
+    rect1_state.write_enable = TRUE;
+    rect1_state.fb_write_enable = FALSE;
+    test_depth (state, 4, 0, /* position */
+                &rect0_state, &rect1_state, &rect2_state,
+                FALSE, /* legacy mode */
+                0x0000ffff); /* expected */
+
+    /* Re-enable FB depth writing to verify state flush */
+    rect1_state.write_enable = TRUE;
+    rect1_state.fb_write_enable = TRUE;
+    test_depth (state, 4, 0, /* position */
+                &rect0_state, &rect1_state, &rect2_state,
+                FALSE, /* legacy mode */
+                0x00ff00ff); /* expected */
+  }
+
+  /* Check that the depth buffer values can be mapped into different
+   * ranges... */
+
+  {
+    /* Closest by depth, furthest by depth range */
+    TestDepthState rect0_state = {
+      0xff0000ff, /* rgba color */
+      -10, /* depth */
+      TRUE, /* depth test enable */
+      COGL_DEPTH_TEST_FUNCTION_ALWAYS,
+      TRUE, /* depth write enable */
+      TRUE, /* FB depth write enable */
+      0.5, 1 /* depth range */
+    };
+    /* Furthest by depth, nearest by depth range */
+    TestDepthState rect1_state = {
+      0x00ff00ff, /* rgba color */
+      -70, /* depth */
+      TRUE, /* depth test enable */
+      COGL_DEPTH_TEST_FUNCTION_GREATER,
+      TRUE, /* depth write enable */
+      TRUE, /* FB depth write enable */
+      0, 0.5 /* depth range */
+    };
+
+    test_depth (state, 0, 1, /* position */
+                &rect0_state, &rect1_state, NULL,
+                FALSE, /* legacy mode */
+                0xff0000ff); /* expected */
+  }
+
+  /* Test that the legacy cogl_set_depth_test_enabled() API still
+   * works... */
+
+  {
+    /* Nearest */
+    TestDepthState rect0_state = {
+      0xff0000ff, /* rgba color */
+      -10, /* depth */
+      FALSE, /* depth test enable */
+      COGL_DEPTH_TEST_FUNCTION_LESS,
+      TRUE, /* depth write enable */
+      TRUE, /* FB depth write enable */
+      0, 1 /* depth range */
+    };
+    /* Furthest */
+    TestDepthState rect1_state = {
+      0x00ff00ff, /* rgba color */
+      -70, /* depth */
+      FALSE, /* depth test enable */
+      COGL_DEPTH_TEST_FUNCTION_LESS,
+      TRUE, /* depth write enable */
+      TRUE, /* FB depth write enable */
+      0, 1 /* depth range */
+    };
+
+    cogl_set_depth_test_enabled (TRUE);
+    test_depth (state, 0, 2, /* position */
+                &rect0_state, &rect1_state, NULL,
+                TRUE, /* legacy mode */
+                0xff0000ff); /* expected */
+    cogl_set_depth_test_enabled (FALSE);
+    test_depth (state, 1, 2, /* position */
+                &rect0_state, &rect1_state, NULL,
+                TRUE, /* legacy mode */
+                0x00ff00ff); /* expected */
+  }
+}
+
+void
+test_depth_test (void)
+{
+  TestState state;
+
+  cogl_framebuffer_orthographic (test_fb, 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  paint (&state);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-euler-quaternion.c b/tests/conform/test-euler-quaternion.c
new file mode 100644
index 0000000..c250bec
--- /dev/null
+++ b/tests/conform/test-euler-quaternion.c
@@ -0,0 +1,81 @@
+#include 
+#include 
+#include 
+
+#include "test-utils.h"
+
+/* Macros are used here instead of functions so that the
+ * g_assert_cmpfloat will give a more interesting message when it
+ * fails */
+
+#define COMPARE_FLOATS(a, b)                    \
+  do {                                          \
+    if (fabsf ((a) - (b)) >= 0.0001f)           \
+      g_assert_cmpfloat ((a), ==, (b));         \
+  } while (0)
+
+#define COMPARE_MATRICES(a, b) \
+  do {                                          \
+    COMPARE_FLOATS ((a)->xx, (b)->xx);          \
+    COMPARE_FLOATS ((a)->yx, (b)->yx);          \
+    COMPARE_FLOATS ((a)->zx, (b)->zx);          \
+    COMPARE_FLOATS ((a)->wx, (b)->wx);          \
+    COMPARE_FLOATS ((a)->xy, (b)->xy);          \
+    COMPARE_FLOATS ((a)->yy, (b)->yy);          \
+    COMPARE_FLOATS ((a)->zy, (b)->zy);          \
+    COMPARE_FLOATS ((a)->wy, (b)->wy);          \
+    COMPARE_FLOATS ((a)->xz, (b)->xz);          \
+    COMPARE_FLOATS ((a)->yz, (b)->yz);          \
+    COMPARE_FLOATS ((a)->zz, (b)->zz);          \
+    COMPARE_FLOATS ((a)->wz, (b)->wz);          \
+    COMPARE_FLOATS ((a)->xw, (b)->xw);          \
+    COMPARE_FLOATS ((a)->yw, (b)->yw);          \
+    COMPARE_FLOATS ((a)->zw, (b)->zw);          \
+    COMPARE_FLOATS ((a)->ww, (b)->ww);          \
+  } while (0)
+
+void
+test_euler_quaternion (void)
+{
+  CoglEuler euler;
+  CoglQuaternion quaternion;
+  CoglMatrix matrix_a, matrix_b;
+
+  /* Try doing the rotation with three separate rotations */
+  cogl_matrix_init_identity (&matrix_a);
+  cogl_matrix_rotate (&matrix_a, -30.0f, 0.0f, 1.0f, 0.0f);
+  cogl_matrix_rotate (&matrix_a, 40.0f, 1.0f, 0.0f, 0.0f);
+  cogl_matrix_rotate (&matrix_a, 50.0f, 0.0f, 0.0f, 1.0f);
+
+  /* And try the same rotation with a euler */
+  cogl_euler_init (&euler, -30, 40, 50);
+  cogl_matrix_init_from_euler (&matrix_b, &euler);
+
+  /* Verify that the matrices are approximately the same */
+  COMPARE_MATRICES (&matrix_a, &matrix_b);
+
+  /* Try converting the euler to a matrix via a quaternion */
+  cogl_quaternion_init_from_euler (&quaternion, &euler);
+  memset (&matrix_b, 0, sizeof (matrix_b));
+  cogl_matrix_init_from_quaternion (&matrix_b, &quaternion);
+  COMPARE_MATRICES (&matrix_a, &matrix_b);
+
+  /* Try applying the rotation from a euler to a framebuffer */
+  cogl_framebuffer_identity_matrix (test_fb);
+  cogl_framebuffer_rotate_euler (test_fb, &euler);
+  memset (&matrix_b, 0, sizeof (matrix_b));
+  cogl_framebuffer_get_modelview_matrix (test_fb, &matrix_b);
+  COMPARE_MATRICES (&matrix_a, &matrix_b);
+
+  /* And again with a quaternion */
+  cogl_framebuffer_identity_matrix (test_fb);
+  cogl_framebuffer_rotate_quaternion (test_fb, &quaternion);
+  memset (&matrix_b, 0, sizeof (matrix_b));
+  cogl_framebuffer_get_modelview_matrix (test_fb, &matrix_b);
+  COMPARE_MATRICES (&matrix_a, &matrix_b);
+
+  /* FIXME: This needs a lot more tests! */
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-fence.c b/tests/conform/test-fence.c
new file mode 100644
index 0000000..d5e3586
--- /dev/null
+++ b/tests/conform/test-fence.c
@@ -0,0 +1,63 @@
+#include 
+
+/* These will be redefined in config.h */
+#undef COGL_ENABLE_EXPERIMENTAL_2_0_API
+#undef COGL_ENABLE_EXPERIMENTAL_API
+
+#include "test-utils.h"
+#include "config.h"
+
+/* I'm writing this on the train after having dinner at a churrascuria. */
+#define MAGIC_CHUNK_O_DATA ((void *) 0xdeadbeef)
+
+static GMainLoop *loop;
+
+gboolean
+timeout (void *user_data)
+{
+  g_assert (!"timeout not reached");
+
+  return FALSE;
+}
+
+void
+callback (CoglFence *fence,
+          void *user_data)
+{
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+
+  test_utils_check_pixel (test_fb, fb_width - 1, fb_height - 1, 0x00ff0000);
+  g_assert (user_data == MAGIC_CHUNK_O_DATA && "callback data not mangled");
+
+  g_main_loop_quit (loop);
+}
+
+void
+test_fence (void)
+{
+  GSource *cogl_source;
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+  CoglFenceClosure *closure;
+
+  cogl_source = cogl_glib_source_new (test_ctx, G_PRIORITY_DEFAULT);
+  g_source_attach (cogl_source, NULL);
+  loop = g_main_loop_new (NULL, TRUE);
+
+  cogl_framebuffer_orthographic (test_fb, 0, 0, fb_width, fb_height, -1, 100);
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR,
+                            0.0f, 1.0f, 0.0f, 0.0f);
+
+  closure = cogl_framebuffer_add_fence_callback (test_fb,
+                                                 callback,
+                                                 MAGIC_CHUNK_O_DATA);
+  g_assert (closure != NULL);
+
+  g_timeout_add_seconds (5, timeout, NULL);
+
+  g_main_loop_run (loop);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-framebuffer-get-bits.c b/tests/conform/test-framebuffer-get-bits.c
new file mode 100644
index 0000000..31c220d
--- /dev/null
+++ b/tests/conform/test-framebuffer-get-bits.c
@@ -0,0 +1,40 @@
+#include 
+
+#include "test-utils.h"
+
+void
+test_framebuffer_get_bits (void)
+{
+  CoglTexture2D *tex_a =
+    cogl_texture_2d_new_with_size (test_ctx,
+                                   16, 16); /* width/height */
+  CoglOffscreen *offscreen_a =
+    cogl_offscreen_new_with_texture (tex_a);
+  CoglFramebuffer *fb_a = offscreen_a;
+  CoglTexture2D *tex_rgba =
+    cogl_texture_2d_new_with_size (test_ctx,
+                                   16, 16); /* width/height */
+  CoglOffscreen *offscreen_rgba =
+    cogl_offscreen_new_with_texture (tex_rgba);
+  CoglFramebuffer *fb_rgba = offscreen_rgba;
+
+  cogl_texture_set_components (tex_a,
+                               COGL_TEXTURE_COMPONENTS_A);
+  cogl_framebuffer_allocate (fb_a, NULL);
+  cogl_framebuffer_allocate (fb_rgba, NULL);
+
+  g_assert_cmpint (cogl_framebuffer_get_red_bits (fb_a), ==, 0);
+  g_assert_cmpint (cogl_framebuffer_get_green_bits (fb_a), ==, 0);
+  g_assert_cmpint (cogl_framebuffer_get_blue_bits (fb_a), ==, 0);
+  g_assert_cmpint (cogl_framebuffer_get_alpha_bits (fb_a), >=, 1);
+
+  g_assert_cmpint (cogl_framebuffer_get_red_bits (fb_rgba), >=, 1);
+  g_assert_cmpint (cogl_framebuffer_get_green_bits (fb_rgba), >=, 1);
+  g_assert_cmpint (cogl_framebuffer_get_blue_bits (fb_rgba), >=, 1);
+  g_assert_cmpint (cogl_framebuffer_get_alpha_bits (fb_rgba), >=, 1);
+
+  cogl_object_unref (fb_rgba);
+  cogl_object_unref (tex_rgba);
+  cogl_object_unref (fb_a);
+  cogl_object_unref (tex_a);
+}
diff --git a/tests/conform/test-gles2-context.c b/tests/conform/test-gles2-context.c
new file mode 100644
index 0000000..bedc30a
--- /dev/null
+++ b/tests/conform/test-gles2-context.c
@@ -0,0 +1,962 @@
+
+#include 
+#include 
+#include 
+
+#include "test-utils.h"
+
+typedef struct _TestState
+{
+  CoglTexture *offscreen_texture;
+  CoglOffscreen *offscreen;
+  CoglGLES2Context *gles2_ctx;
+  const CoglGLES2Vtable *gles2;
+} TestState;
+
+static void
+test_push_pop_single_context (void)
+{
+  CoglTexture *offscreen_texture;
+  CoglOffscreen *offscreen;
+  CoglPipeline *pipeline;
+  CoglGLES2Context *gles2_ctx;
+  const CoglGLES2Vtable *gles2;
+  CoglError *error = NULL;
+
+  offscreen_texture =
+    cogl_texture_2d_new_with_size (test_ctx,
+                                   cogl_framebuffer_get_width (test_fb),
+                                   cogl_framebuffer_get_height (test_fb));
+  offscreen = cogl_offscreen_new_with_texture (offscreen_texture);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_layer_texture (pipeline, 0, offscreen_texture);
+
+  gles2_ctx = cogl_gles2_context_new (test_ctx, &error);
+  if (!gles2_ctx)
+    g_error ("Failed to create GLES2 context: %s\n", error->message);
+
+  gles2 = cogl_gles2_context_get_vtable (gles2_ctx);
+
+  /* Clear onscreen to 0xffff00 using GLES2 */
+
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx,
+                                test_fb,
+                                test_fb,
+                                &error))
+    {
+      g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+  gles2->glClearColor (1, 1, 0, 1);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  cogl_pop_gles2_context (test_ctx);
+
+  test_utils_check_pixel (test_fb, 0, 0, 0xffff00ff);
+
+  /* Clear offscreen to 0xff0000 using GLES2 and then copy the result
+   * onscreen.
+   *
+   * If we fail to bind the new context here then we'd probably end up
+   * clearing onscreen to 0xff0000 and copying 0xffff00 to onscreen
+   * instead.
+   */
+
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx,
+                                offscreen,
+                                offscreen,
+                                &error))
+    {
+      g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+  gles2->glClearColor (1, 0, 0, 1);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  cogl_pop_gles2_context (test_ctx);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   -1, 1, 1, -1);
+  /* NB: Cogl doesn't automatically support mid-scene modifications
+   * of textures and so we explicitly flush the drawn rectangle to the
+   * framebuffer now otherwise it may be batched until after the
+   * offscreen texture has been modified again. */
+  cogl_flush ();
+
+  /* Clear the offscreen framebuffer to blue using GLES2 before
+   * reading back from the onscreen framebuffer in case we mistakenly
+   * read from the offscreen framebuffer and get a false positive
+   */
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx,
+                                offscreen,
+                                offscreen,
+                                &error))
+    {
+      g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+  gles2->glClearColor (0, 0, 1, 1);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  cogl_pop_gles2_context (test_ctx);
+
+  test_utils_check_pixel (test_fb, 0, 0, 0xff0000ff);
+
+  /* Now copy the offscreen blue clear to the onscreen framebufer and
+   * check that too */
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   -1, 1, 1, -1);
+
+  test_utils_check_pixel (test_fb, 0, 0, 0x0000ffff);
+
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx,
+                                test_fb,
+                                test_fb,
+                                &error))
+    {
+      g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+  gles2->glClearColor (1, 0, 1, 1);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  cogl_pop_gles2_context (test_ctx);
+
+  test_utils_check_pixel (test_fb, 0, 0, 0xff00ffff);
+
+
+  cogl_object_unref (gles2_ctx);
+
+  cogl_object_unref (pipeline);
+}
+
+static void
+create_gles2_context (CoglTexture **offscreen_texture,
+                      CoglOffscreen **offscreen,
+                      CoglPipeline **pipeline,
+                      CoglGLES2Context **gles2_ctx,
+                      const CoglGLES2Vtable **gles2)
+{
+  CoglError *error = NULL;
+
+  *offscreen_texture =
+    cogl_texture_2d_new_with_size (test_ctx,
+                                   cogl_framebuffer_get_width (test_fb),
+                                   cogl_framebuffer_get_height (test_fb));
+  *offscreen = cogl_offscreen_new_with_texture (*offscreen_texture);
+
+  *pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_layer_texture (*pipeline, 0, *offscreen_texture);
+
+  *gles2_ctx = cogl_gles2_context_new (test_ctx, &error);
+  if (!*gles2_ctx)
+    g_error ("Failed to create GLES2 context: %s\n", error->message);
+
+  *gles2 = cogl_gles2_context_get_vtable (*gles2_ctx);
+}
+
+static void
+test_push_pop_multi_context (void)
+{
+  CoglTexture *offscreen_texture0;
+  CoglOffscreen *offscreen0;
+  CoglPipeline *pipeline0;
+  CoglGLES2Context *gles2_ctx0;
+  const CoglGLES2Vtable *gles20;
+  CoglTexture *offscreen_texture1;
+  CoglOffscreen *offscreen1;
+  CoglPipeline *pipeline1;
+  CoglGLES2Context *gles2_ctx1;
+  const CoglGLES2Vtable *gles21;
+  CoglError *error = NULL;
+
+  create_gles2_context (&offscreen_texture0,
+                        &offscreen0,
+                        &pipeline0,
+                        &gles2_ctx0,
+                        &gles20);
+
+  create_gles2_context (&offscreen_texture1,
+                        &offscreen1,
+                        &pipeline1,
+                        &gles2_ctx1,
+                        &gles21);
+
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR, 1, 1, 1, 1);
+
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx0,
+                                offscreen0,
+                                offscreen0,
+                                &error))
+    {
+      g_error ("Failed to push gles2 context 0: %s\n", error->message);
+    }
+
+  gles20->glClearColor (1, 0, 0, 1);
+  gles20->glClear (GL_COLOR_BUFFER_BIT);
+
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx1,
+                                offscreen1,
+                                offscreen1,
+                                &error))
+    {
+      g_error ("Failed to push gles2 context 1: %s\n", error->message);
+    }
+
+  gles21->glClearColor (0, 1, 0, 1);
+  gles21->glClear (GL_COLOR_BUFFER_BIT);
+
+  cogl_pop_gles2_context (test_ctx);
+  cogl_pop_gles2_context (test_ctx);
+
+  test_utils_check_pixel (test_fb, 0, 0, 0xffffffff);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline0,
+                                   -1, 1, 1, -1);
+
+  test_utils_check_pixel (test_fb, 0, 0, 0xff0000ff);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline1,
+                                   -1, 1, 1, -1);
+
+  test_utils_check_pixel (test_fb, 0, 0, 0x00ff00ff);
+}
+
+static GLuint
+create_gles2_framebuffer (const CoglGLES2Vtable *gles2,
+                          int width,
+                          int height)
+{
+  GLuint texture_handle;
+  GLuint fbo_handle;
+  GLenum status;
+
+  gles2->glGenTextures (1, &texture_handle);
+  gles2->glGenFramebuffers (1, &fbo_handle);
+
+  gles2->glBindTexture (GL_TEXTURE_2D, texture_handle);
+  gles2->glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+  gles2->glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  gles2->glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA,
+                       GL_UNSIGNED_BYTE, NULL);
+  gles2->glBindTexture (GL_TEXTURE_2D, 0);
+
+  gles2->glBindFramebuffer (GL_FRAMEBUFFER, fbo_handle);
+  gles2->glFramebufferTexture2D (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+                                 GL_TEXTURE_2D, texture_handle, 0);
+
+  status = gles2->glCheckFramebufferStatus (GL_FRAMEBUFFER);
+  if (cogl_test_verbose ())
+    g_print ("status for gles2 framebuffer = 0x%x %s\n",
+             status, status == GL_FRAMEBUFFER_COMPLETE ? "(complete)" : "(?)");
+
+  gles2->glBindFramebuffer (GL_FRAMEBUFFER, 0);
+
+  return fbo_handle;
+}
+
+static void
+test_gles2_read_pixels (void)
+{
+  CoglTexture *offscreen_texture;
+  CoglOffscreen *offscreen;
+  CoglPipeline *pipeline;
+  CoglGLES2Context *gles2_ctx;
+  const CoglGLES2Vtable *gles2;
+  CoglError *error = NULL;
+  GLubyte pixel[4];
+  GLuint fbo_handle;
+
+  create_gles2_context (&offscreen_texture,
+                        &offscreen,
+                        &pipeline,
+                        &gles2_ctx,
+                        &gles2);
+
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR, 1, 1, 1, 1);
+
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx,
+                                offscreen,
+                                offscreen,
+                                &error))
+    {
+      g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+  gles2->glClearColor (1, 0, 0, 1);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+  gles2->glReadPixels (0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
+
+  test_utils_compare_pixel (pixel, 0xff0000ff);
+
+  fbo_handle = create_gles2_framebuffer (gles2, 256, 256);
+
+  gles2->glBindFramebuffer (GL_FRAMEBUFFER, fbo_handle);
+
+  gles2->glClearColor (0, 1, 0, 1);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+  gles2->glReadPixels (0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
+
+  test_utils_compare_pixel (pixel, 0x00ff00ff);
+
+  gles2->glBindFramebuffer (GL_FRAMEBUFFER, 0);
+
+  gles2->glClearColor (0, 1, 1, 1);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+  gles2->glReadPixels (0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
+
+  test_utils_compare_pixel (pixel, 0x00ffffff);
+
+  cogl_pop_gles2_context (test_ctx);
+
+  test_utils_check_pixel (test_fb, 0, 0, 0xffffffff);
+
+  /* Bind different read and write buffers */
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx,
+                                offscreen,
+                                test_fb,
+                                &error))
+    {
+      g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+  gles2->glReadPixels (0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
+
+  test_utils_compare_pixel (pixel, 0x00ffffff);
+
+  cogl_pop_gles2_context (test_ctx);
+
+  test_utils_check_pixel (test_fb, 0, 0, 0xffffffff);
+
+  /* Bind different read and write buffers (the other way around from
+   * before so when we test with COGL_TEST_ONSCREEN=1 we will read
+   * from an onscreen framebuffer) */
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx,
+                                test_fb,
+                                offscreen,
+                                &error))
+    {
+      g_error ("Failed to push gles2 context: %s\n", error->message);
+    }
+
+  gles2->glReadPixels (0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
+
+  test_utils_compare_pixel (pixel, 0xffffffff);
+
+  cogl_pop_gles2_context (test_ctx);
+}
+
+void
+test_gles2_context (void)
+{
+  test_push_pop_single_context ();
+  test_push_pop_multi_context ();
+  test_gles2_read_pixels ();
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
+static GLuint
+create_shader (const CoglGLES2Vtable *gles2,
+               GLenum type,
+               const char *source)
+{
+  GLuint shader;
+  GLint status;
+  int length = strlen (source);
+
+  shader = gles2->glCreateShader (type);
+  gles2->glShaderSource (shader, 1, &source, &length);
+  gles2->glCompileShader (shader);
+  gles2->glGetShaderiv (shader, GL_COMPILE_STATUS, &status);
+
+  if (!status)
+    {
+      char buf[512];
+
+      gles2->glGetShaderInfoLog (shader, sizeof (buf), NULL, buf);
+
+      g_error ("Shader compilation failed:\n%s", buf);
+    }
+
+  return shader;
+}
+
+static GLuint
+create_program (const CoglGLES2Vtable *gles2,
+                const char *vertex_shader_source,
+                const char *fragment_shader_source)
+{
+  GLuint fragment_shader, vertex_shader, program;
+  GLint status;
+
+  vertex_shader =
+    create_shader (gles2, GL_VERTEX_SHADER, vertex_shader_source);
+  fragment_shader =
+    create_shader (gles2, GL_FRAGMENT_SHADER, fragment_shader_source);
+
+  program = gles2->glCreateProgram ();
+  gles2->glAttachShader (program, vertex_shader);
+  gles2->glAttachShader (program, fragment_shader);
+  gles2->glLinkProgram (program);
+
+  gles2->glGetProgramiv (program, GL_LINK_STATUS, &status);
+
+  if (!status)
+    {
+      char buf[512];
+
+      gles2->glGetProgramInfoLog (program, sizeof (buf), NULL, buf);
+
+      g_error ("Program linking failed:\n%s", buf);
+    }
+
+  return program;
+}
+
+typedef struct
+{
+  const CoglGLES2Vtable *gles2;
+  GLint color_location;
+  GLint pos_location;
+  int fb_width, fb_height;
+} PaintData;
+
+typedef void (* PaintMethod) (PaintData *data);
+
+/* Top vertices are counter-clockwise */
+static const float top_vertices[] =
+  {
+    -1.0f, 0.0f,
+    1.0f, 0.0f,
+    -1.0f, 1.0f,
+    1.0f, 1.0f
+  };
+/* Bottom vertices are clockwise */
+static const float bottom_vertices[] =
+  {
+    1.0f, 0.0f,
+    1.0f, -1.0f,
+    -1.0f, 0.0f,
+    -1.0f, -1.0f
+  };
+
+static void
+paint_quads (PaintData *data)
+{
+  const CoglGLES2Vtable *gles2 = data->gles2;
+
+  gles2->glEnableVertexAttribArray (data->pos_location);
+
+  /* Paint the top half in red */
+  gles2->glUniform4f (data->color_location,
+                      1.0f, 0.0f, 0.0f, 1.0f);
+  gles2->glVertexAttribPointer (data->pos_location,
+                                2, /* size */
+                                GL_FLOAT,
+                                GL_FALSE, /* not normalized */
+                                sizeof (float) * 2,
+                                top_vertices);
+  gles2->glDrawArrays (GL_TRIANGLE_STRIP, 0, 4);
+
+  /* Paint the bottom half in blue */
+  gles2->glUniform4f (data->color_location,
+                      0.0f, 0.0f, 1.0f, 1.0f);
+  gles2->glVertexAttribPointer (data->pos_location,
+                                2, /* size */
+                                GL_FLOAT,
+                                GL_FALSE, /* not normalized */
+                                sizeof (float) * 2,
+                                bottom_vertices);
+  gles2->glDrawArrays (GL_TRIANGLE_STRIP, 0, 4);
+}
+
+static void
+paint_viewport (PaintData *data)
+{
+  const CoglGLES2Vtable *gles2 = data->gles2;
+  int viewport[4];
+
+  /* Vertices to fill the entire framebuffer */
+  static const float vertices[] =
+    {
+      -1.0f, -1.0f,
+      1.0f, -1.0f,
+      -1.0f, 1.0f,
+      1.0f, 1.0f
+    };
+
+  gles2->glEnableVertexAttribArray (data->pos_location);
+  gles2->glVertexAttribPointer (data->pos_location,
+                                2, /* size */
+                                GL_FLOAT,
+                                GL_FALSE, /* not normalized */
+                                sizeof (float) * 2,
+                                vertices);
+
+  /* Paint the top half in red */
+  gles2->glViewport (0, data->fb_height / 2,
+                     data->fb_width, data->fb_height / 2);
+  gles2->glUniform4f (data->color_location,
+                      1.0f, 0.0f, 0.0f, 1.0f);
+  gles2->glDrawArrays (GL_TRIANGLE_STRIP, 0, 4);
+
+  /* Paint the bottom half in blue */
+  gles2->glViewport (0, 0, data->fb_width, data->fb_height / 2);
+  gles2->glUniform4f (data->color_location,
+                      0.0f, 0.0f, 1.0f, 1.0f);
+  gles2->glDrawArrays (GL_TRIANGLE_STRIP, 0, 4);
+
+  gles2->glGetIntegerv (GL_VIEWPORT, viewport);
+  g_assert_cmpint (viewport[0], ==, 0.0f);
+  g_assert_cmpint (viewport[1], ==, 0.0f);
+  g_assert_cmpint (viewport[2], ==, data->fb_width);
+  g_assert_cmpint (viewport[3], ==, data->fb_height / 2);
+}
+
+static void
+paint_scissor (PaintData *data)
+{
+  const CoglGLES2Vtable *gles2 = data->gles2;
+  float scissor[4];
+
+  gles2->glEnable (GL_SCISSOR_TEST);
+
+  /* Paint the top half in red */
+  gles2->glScissor (0, data->fb_height / 2,
+                    data->fb_width, data->fb_height / 2);
+  gles2->glClearColor (1.0, 0.0, 0.0, 1.0);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  /* Paint the bottom half in blue */
+  gles2->glScissor (0, 0, data->fb_width, data->fb_height / 2);
+  gles2->glClearColor (0.0, 0.0, 1.0, 1.0);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  gles2->glGetFloatv (GL_SCISSOR_BOX, scissor);
+  g_assert_cmpfloat (scissor[0], ==, 0.0f);
+  g_assert_cmpfloat (scissor[1], ==, 0.0f);
+  g_assert_cmpfloat (scissor[2], ==, data->fb_width);
+  g_assert_cmpfloat (scissor[3], ==, data->fb_height / 2);
+}
+
+static void
+paint_cull (PaintData *data)
+{
+  const CoglGLES2Vtable *gles2 = data->gles2;
+  GLint front_face;
+  int i;
+
+  gles2->glEnableVertexAttribArray (data->pos_location);
+  gles2->glEnable (GL_CULL_FACE);
+
+  /* First time round we'll use GL_CCW as the front face so that the
+   * bottom quad will be culled */
+  gles2->glFrontFace (GL_CCW);
+  gles2->glUniform4f (data->color_location,
+                      1.0f, 0.0f, 0.0f, 1.0f);
+
+  gles2->glGetIntegerv (GL_FRONT_FACE, &front_face);
+  g_assert_cmpint (front_face, ==, GL_CCW);
+
+  for (i = 0; i < 2; i++)
+    {
+      /* Paint both quads in the same color. One of these will be
+       * culled */
+      gles2->glVertexAttribPointer (data->pos_location,
+                                    2, /* size */
+                                    GL_FLOAT,
+                                    GL_FALSE, /* not normalized */
+                                    sizeof (float) * 2,
+                                    top_vertices);
+      gles2->glDrawArrays (GL_TRIANGLE_STRIP, 0, 4);
+
+      gles2->glVertexAttribPointer (data->pos_location,
+                                    2, /* size */
+                                    GL_FLOAT,
+                                    GL_FALSE, /* not normalized */
+                                    sizeof (float) * 2,
+                                    bottom_vertices);
+      gles2->glDrawArrays (GL_TRIANGLE_STRIP, 0, 4);
+
+      /* Second time round we'll use GL_CW as the front face so that the
+       * top quad will be culled */
+      gles2->glFrontFace (GL_CW);
+      gles2->glUniform4f (data->color_location,
+                          0.0f, 0.0f, 1.0f, 1.0f);
+
+      gles2->glGetIntegerv (GL_FRONT_FACE, &front_face);
+      g_assert_cmpint (front_face, ==, GL_CW);
+    }
+}
+
+static void
+verify_read_pixels (const PaintData *data)
+{
+  int stride = data->fb_width * 4;
+  uint8_t *buf = g_malloc (data->fb_height * stride);
+
+  data->gles2->glReadPixels (0, 0, /* x/y */
+                             data->fb_width, data->fb_height,
+                             GL_RGBA,
+                             GL_UNSIGNED_BYTE,
+                             buf);
+
+  /* In GL, the lines earlier in the buffer are the bottom */
+  /* Bottom should be blue */
+  test_utils_compare_pixel (buf + data->fb_width / 2 * 4 +
+                            data->fb_height / 4 * stride,
+                            0x0000ffff);
+  /* Top should be red */
+  test_utils_compare_pixel (buf + data->fb_width / 2 * 4 +
+                            data->fb_height * 3 / 4 * stride,
+                            0xff0000ff);
+
+  g_free (buf);
+}
+
+void
+test_gles2_context_fbo (void)
+{
+  static const char vertex_shader_source[] =
+    "attribute vec2 pos;\n"
+    "\n"
+    "void\n"
+    "main ()\n"
+    "{\n"
+    "  gl_Position = vec4 (pos, 0.0, 1.0);\n"
+    "}\n";
+  static const char fragment_shader_source[] =
+    "precision mediump float;\n"
+    "uniform vec4 color;\n"
+    "\n"
+    "void\n"
+    "main ()\n"
+    "{\n"
+    "  gl_FragColor = color;\n"
+    "}\n";
+  static const PaintMethod paint_methods[] =
+    {
+      paint_quads,
+      paint_viewport,
+      paint_scissor,
+      paint_cull
+    };
+  int i;
+  PaintData data;
+
+  data.fb_width = cogl_framebuffer_get_width (test_fb);
+  data.fb_height = cogl_framebuffer_get_height (test_fb);
+
+  for (i = 0; i < G_N_ELEMENTS (paint_methods); i++)
+    {
+      CoglTexture *offscreen_texture;
+      CoglOffscreen *offscreen;
+      CoglPipeline *pipeline;
+      CoglGLES2Context *gles2_ctx;
+      GLuint program;
+      CoglError *error = NULL;
+
+      create_gles2_context (&offscreen_texture,
+                            &offscreen,
+                            &pipeline,
+                            &gles2_ctx,
+                            &data.gles2);
+
+      if (!cogl_push_gles2_context (test_ctx,
+                                    gles2_ctx,
+                                    offscreen,
+                                    offscreen,
+                                    &error))
+        g_error ("Failed to push gles2 context: %s\n", error->message);
+
+      program = create_program (data.gles2,
+                                vertex_shader_source,
+                                fragment_shader_source);
+
+      data.gles2->glClearColor (1.0, 1.0, 0.0, 1.0);
+      data.gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+      data.gles2->glUseProgram (program);
+
+      data.color_location = data.gles2->glGetUniformLocation (program, "color");
+      if (data.color_location == -1)
+        g_error ("Couldn't find ‘color’ uniform");
+
+      data.pos_location = data.gles2->glGetAttribLocation (program, "pos");
+      if (data.pos_location == -1)
+        g_error ("Couldn't find ‘pos’ attribute");
+
+      paint_methods[i] (&data);
+
+      verify_read_pixels (&data);
+
+      cogl_pop_gles2_context (test_ctx);
+
+      cogl_object_unref (offscreen);
+      cogl_object_unref (gles2_ctx);
+
+      cogl_framebuffer_draw_rectangle (test_fb,
+                                       pipeline,
+                                       -1.0f, 1.0f,
+                                       1.0f, -1.0f);
+
+      cogl_object_unref (pipeline);
+      cogl_object_unref (offscreen_texture);
+
+      /* Top half of the framebuffer should be red */
+      test_utils_check_pixel (test_fb,
+                              data.fb_width / 2, data.fb_height / 4,
+                              0xff0000ff);
+      /* Bottom half should be blue */
+      test_utils_check_pixel (test_fb,
+                              data.fb_width / 2, data.fb_height * 3 / 4,
+                              0x0000ffff);
+    }
+}
+
+/* Position to draw a rectangle in. The top half of this rectangle
+ * will be red, and the bottom will be blue */
+#define RECTANGLE_DRAW_X 10
+#define RECTANGLE_DRAW_Y 15
+
+/* Position to copy the rectangle to in the destination texture */
+#define RECTANGLE_COPY_X 110
+#define RECTANGLE_COPY_Y 115
+
+#define RECTANGLE_WIDTH 30
+#define RECTANGLE_HEIGHT 40
+
+static void
+verify_region (const CoglGLES2Vtable *gles2,
+               int x,
+               int y,
+               int width,
+               int height,
+               uint32_t expected_pixel)
+{
+  uint8_t *buf, *p;
+
+  buf = g_malloc (width * height * 4);
+
+  gles2->glReadPixels (x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buf);
+
+  for (p = buf + width * height * 4; p > buf; p -= 4)
+    test_utils_compare_pixel (p - 4, expected_pixel);
+
+  g_free (buf);
+}
+
+void
+test_gles2_context_copy_tex_image (void)
+{
+  static const char vertex_shader_source[] =
+    "attribute vec2 pos;\n"
+    "attribute vec2 tex_coord_attrib;\n"
+    "varying vec2 tex_coord_varying;\n"
+    "\n"
+    "void\n"
+    "main ()\n"
+    "{\n"
+    "  gl_Position = vec4 (pos, 0.0, 1.0);\n"
+    "  tex_coord_varying = tex_coord_attrib;\n"
+    "}\n";
+  static const char fragment_shader_source[] =
+    "precision mediump float;\n"
+    "varying vec2 tex_coord_varying;\n"
+    "uniform sampler2D tex;\n"
+    "\n"
+    "void\n"
+    "main ()\n"
+    "{\n"
+    "  gl_FragColor = texture2D (tex, tex_coord_varying);\n"
+    "}\n";
+  static const float verts[] =
+    {
+      -1.0f, -1.0f, 0.0f, 0.0f,
+      1.0f, -1.0f, 1.0f, 0.0f,
+      -1.0f, 1.0f, 0.0f, 1.0f,
+      1.0f, 1.0f, 1.0f, 1.0f
+    };
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+  CoglTexture *offscreen_texture;
+  CoglOffscreen *offscreen;
+  CoglPipeline *pipeline;
+  CoglGLES2Context *gles2_ctx;
+  const CoglGLES2Vtable *gles2;
+  CoglError *error = NULL;
+  GLuint tex;
+  GLint tex_uniform_location;
+  GLint pos_location;
+  GLint tex_coord_location;
+  GLuint program;
+
+  create_gles2_context (&offscreen_texture,
+                        &offscreen,
+                        &pipeline,
+                        &gles2_ctx,
+                        &gles2);
+
+  if (!cogl_push_gles2_context (test_ctx,
+                                gles2_ctx,
+                                offscreen,
+                                offscreen,
+                                &error))
+    g_error ("Failed to push gles2 context: %s\n", error->message);
+
+  gles2->glClearColor (1.0, 1.0, 0.0, 1.0);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  /* Draw a rectangle using clear and the scissor so that we don't
+   * have to create a shader */
+  gles2->glEnable (GL_SCISSOR_TEST);
+
+  /* Top half red */
+  gles2->glScissor (RECTANGLE_DRAW_X,
+                    RECTANGLE_DRAW_Y + RECTANGLE_HEIGHT / 2,
+                    RECTANGLE_WIDTH,
+                    RECTANGLE_HEIGHT / 2);
+  gles2->glClearColor (1.0, 0.0, 0.0, 1.0);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+  /* Bottom half blue */
+  gles2->glScissor (RECTANGLE_DRAW_X,
+                    RECTANGLE_DRAW_Y,
+                    RECTANGLE_WIDTH,
+                    RECTANGLE_HEIGHT / 2);
+  gles2->glClearColor (0.0, 0.0, 1.0, 1.0);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  /* Draw where the rectangle would be if the coordinates were flipped
+   * in white to make it obvious that that is the problem if the
+   * assertion fails */
+  gles2->glScissor (RECTANGLE_DRAW_X,
+                    fb_width - (RECTANGLE_DRAW_Y + RECTANGLE_HEIGHT),
+                    RECTANGLE_WIDTH,
+                    RECTANGLE_HEIGHT);
+  gles2->glClearColor (1.0, 1.0, 1.0, 1.0);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  gles2->glDisable (GL_SCISSOR_TEST);
+
+  /* Create a texture */
+  gles2->glGenTextures (1, &tex);
+  gles2->glBindTexture (GL_TEXTURE_2D, tex);
+  gles2->glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+  gles2->glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+  /* Copy the entire framebuffer into the texture */
+  gles2->glCopyTexImage2D (GL_TEXTURE_2D,
+                           0, /* level */
+                           GL_RGBA,
+                           0, 0, /* x/y */
+                           fb_width, fb_height,
+                           0 /* border */);
+
+  /* Copy the rectangle into another part of the texture */
+  gles2->glCopyTexSubImage2D (GL_TEXTURE_2D,
+                              0, /* level */
+                              RECTANGLE_COPY_X,
+                              RECTANGLE_COPY_Y,
+                              RECTANGLE_DRAW_X,
+                              RECTANGLE_DRAW_Y,
+                              RECTANGLE_WIDTH,
+                              RECTANGLE_HEIGHT);
+
+  /* Clear the framebuffer to make the test more thorough */
+  gles2->glClearColor (1.0, 1.0, 0.0, 1.0);
+  gles2->glClear (GL_COLOR_BUFFER_BIT);
+
+  /* Create a program to render the texture */
+  program = create_program (gles2,
+                            vertex_shader_source,
+                            fragment_shader_source);
+
+  pos_location =
+    gles2->glGetAttribLocation (program, "pos");
+  if (pos_location == -1)
+    g_error ("Couldn't find ‘pos’ attribute");
+
+  tex_coord_location =
+    gles2->glGetAttribLocation (program, "tex_coord_attrib");
+  if (tex_coord_location == -1)
+    g_error ("Couldn't find ‘tex_coord_attrib’ attribute");
+
+  tex_uniform_location =
+    gles2->glGetUniformLocation (program, "tex");
+  if (tex_uniform_location == -1)
+    g_error ("Couldn't find ‘tex’ uniform");
+
+  gles2->glUseProgram (program);
+
+  gles2->glUniform1i (tex_uniform_location, 0);
+
+  /* Render the texture to fill the framebuffer */
+  gles2->glEnableVertexAttribArray (pos_location);
+  gles2->glVertexAttribPointer (pos_location,
+                                2, /* n_components */
+                                GL_FLOAT,
+                                FALSE, /* normalized */
+                                sizeof (float) * 4,
+                                verts);
+  gles2->glEnableVertexAttribArray (tex_coord_location);
+  gles2->glVertexAttribPointer (tex_coord_location,
+                                2, /* n_components */
+                                GL_FLOAT,
+                                FALSE, /* normalized */
+                                sizeof (float) * 4,
+                                verts + 2);
+
+  gles2->glDrawArrays (GL_TRIANGLE_STRIP, 0, 4);
+
+  /* Verify top of drawn rectangle is red */
+  verify_region (gles2,
+                 RECTANGLE_DRAW_X,
+                 RECTANGLE_DRAW_Y + RECTANGLE_HEIGHT / 2,
+                 RECTANGLE_WIDTH,
+                 RECTANGLE_HEIGHT / 2,
+                 0xff0000ff);
+  /* Verify bottom of drawn rectangle is blue */
+  verify_region (gles2,
+                 RECTANGLE_DRAW_X,
+                 RECTANGLE_DRAW_Y,
+                 RECTANGLE_WIDTH,
+                 RECTANGLE_HEIGHT / 2,
+                 0x0000ffff);
+  /* Verify top of copied rectangle is red */
+  verify_region (gles2,
+                 RECTANGLE_COPY_X,
+                 RECTANGLE_COPY_Y + RECTANGLE_HEIGHT / 2,
+                 RECTANGLE_WIDTH,
+                 RECTANGLE_HEIGHT / 2,
+                 0xff0000ff);
+  /* Verify bottom of copied rectangle is blue */
+  verify_region (gles2,
+                 RECTANGLE_COPY_X,
+                 RECTANGLE_COPY_Y,
+                 RECTANGLE_WIDTH,
+                 RECTANGLE_HEIGHT / 2,
+                 0x0000ffff);
+
+  cogl_pop_gles2_context (test_ctx);
+
+  cogl_object_unref (offscreen);
+  cogl_object_unref (gles2_ctx);
+  cogl_object_unref (pipeline);
+  cogl_object_unref (offscreen_texture);
+}
diff --git a/tests/conform/test-just-vertex-shader.c b/tests/conform/test-just-vertex-shader.c
new file mode 100644
index 0000000..60fcaf7
--- /dev/null
+++ b/tests/conform/test-just-vertex-shader.c
@@ -0,0 +1,205 @@
+#define COGL_VERSION_MIN_REQUIRED COGL_VERSION_1_0
+
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+typedef struct _TestState
+{
+  int paddiing;
+} TestState;
+
+static CoglTexture *
+create_dummy_texture (void)
+{
+  /* Create a dummy 1x1 green texture to replace the color from the
+     vertex shader */
+  static const uint8_t data[4] = { 0x00, 0xff, 0x00, 0xff };
+
+  return test_utils_texture_new_from_data (test_ctx,
+                                           1, 1, /* size */
+                                           TEST_UTILS_TEXTURE_NONE,
+                                           COGL_PIXEL_FORMAT_RGB_888,
+                                           4, /* rowstride */
+                                           data);
+}
+
+static void
+paint_legacy (TestState *state)
+{
+  CoglHandle material = cogl_material_new ();
+  CoglTexture *tex;
+  CoglColor color;
+  CoglError *error = NULL;
+  CoglHandle shader, program;
+
+  cogl_color_init_from_4ub (&color, 0, 0, 0, 255);
+  cogl_clear (&color, COGL_BUFFER_BIT_COLOR);
+
+  /* Set the primary vertex color as red */
+  cogl_color_set_from_4ub (&color, 0xff, 0x00, 0x00, 0xff);
+  cogl_material_set_color (material, &color);
+
+  /* Override the vertex color in the texture environment with a
+     constant green color provided by a texture */
+  tex = create_dummy_texture ();
+  cogl_material_set_layer (material, 0, tex);
+  cogl_object_unref (tex);
+  if (!cogl_material_set_layer_combine (material, 0,
+                                        "RGBA=REPLACE(TEXTURE)",
+                                        &error))
+    {
+      g_warning ("Error setting layer combine: %s", error->message);
+      g_assert_not_reached ();
+    }
+
+  /* Set up a dummy vertex shader that does nothing but the usual
+     fixed function transform */
+  shader = cogl_create_shader (COGL_SHADER_TYPE_VERTEX);
+  cogl_shader_source (shader,
+                      "void\n"
+                      "main ()\n"
+                      "{\n"
+                      "  cogl_position_out = "
+                      "cogl_modelview_projection_matrix * "
+                      "cogl_position_in;\n"
+                      "  cogl_color_out = cogl_color_in;\n"
+                      "  cogl_tex_coord_out[0] = cogl_tex_coord_in;\n"
+                      "}\n");
+  cogl_shader_compile (shader);
+  if (!cogl_shader_is_compiled (shader))
+    {
+      char *log = cogl_shader_get_info_log (shader);
+      g_warning ("Shader compilation failed:\n%s", log);
+      g_free (log);
+      g_assert_not_reached ();
+    }
+
+  program = cogl_create_program ();
+  cogl_program_attach_shader (program, shader);
+  cogl_program_link (program);
+
+  cogl_handle_unref (shader);
+
+  /* Draw something using the material */
+  cogl_set_source (material);
+  cogl_rectangle (0, 0, 50, 50);
+
+  /* Draw it again using the program. It should look exactly the same */
+  cogl_program_use (program);
+  cogl_rectangle (50, 0, 100, 50);
+  cogl_program_use (COGL_INVALID_HANDLE);
+
+  cogl_handle_unref (material);
+  cogl_handle_unref (program);
+}
+
+static void
+paint (TestState *state)
+{
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+  CoglTexture *tex;
+  CoglColor color;
+  CoglError *error = NULL;
+  CoglHandle shader, program;
+
+  cogl_color_init_from_4ub (&color, 0, 0, 0, 255);
+  cogl_clear (&color, COGL_BUFFER_BIT_COLOR);
+
+  /* Set the primary vertex color as red */
+  cogl_color_set_from_4ub (&color, 0xff, 0x00, 0x00, 0xff);
+  cogl_pipeline_set_color (pipeline, &color);
+
+  /* Override the vertex color in the texture environment with a
+     constant green color provided by a texture */
+  tex = create_dummy_texture ();
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex);
+  cogl_object_unref (tex);
+  if (!cogl_pipeline_set_layer_combine (pipeline, 0,
+                                        "RGBA=REPLACE(TEXTURE)",
+                                        &error))
+    {
+      g_warning ("Error setting layer combine: %s", error->message);
+      g_assert_not_reached ();
+    }
+
+  /* Set up a dummy vertex shader that does nothing but the usual
+     fixed function transform */
+  shader = cogl_create_shader (COGL_SHADER_TYPE_VERTEX);
+  cogl_shader_source (shader,
+                      "void\n"
+                      "main ()\n"
+                      "{\n"
+                      "  cogl_position_out = "
+                      "cogl_modelview_projection_matrix * "
+                      "cogl_position_in;\n"
+                      "  cogl_color_out = cogl_color_in;\n"
+                      "  cogl_tex_coord_out[0] = cogl_tex_coord_in;\n"
+                      "}\n");
+  cogl_shader_compile (shader);
+  if (!cogl_shader_is_compiled (shader))
+    {
+      char *log = cogl_shader_get_info_log (shader);
+      g_warning ("Shader compilation failed:\n%s", log);
+      g_free (log);
+      g_assert_not_reached ();
+    }
+
+  program = cogl_create_program ();
+  cogl_program_attach_shader (program, shader);
+  cogl_program_link (program);
+
+  cogl_handle_unref (shader);
+
+  /* Draw something without the program */
+  cogl_set_source (pipeline);
+  cogl_rectangle (0, 0, 50, 50);
+
+  /* Draw it again using the program. It should look exactly the same */
+  cogl_pipeline_set_user_program (pipeline, program);
+  cogl_handle_unref (program);
+
+  cogl_rectangle (50, 0, 100, 50);
+  cogl_pipeline_set_user_program (pipeline, COGL_INVALID_HANDLE);
+
+  cogl_object_unref (pipeline);
+}
+
+static void
+validate_result (CoglFramebuffer *framebuffer)
+{
+  /* Non-shader version */
+  test_utils_check_pixel (framebuffer, 25, 25, 0x00ff0000);
+  /* Shader version */
+  test_utils_check_pixel (framebuffer, 75, 25, 0x00ff0000);
+}
+
+void
+test_just_vertex_shader (void)
+{
+  TestState state;
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  /* XXX: we have to push/pop a framebuffer since this test currently
+   * uses the legacy cogl_rectangle() api. */
+  cogl_push_framebuffer (test_fb);
+
+  paint_legacy (&state);
+  validate_result (test_fb);
+
+  paint (&state);
+  validate_result (test_fb);
+
+  cogl_pop_framebuffer ();
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-layer-remove.c b/tests/conform/test-layer-remove.c
new file mode 100644
index 0000000..de1efec
--- /dev/null
+++ b/tests/conform/test-layer-remove.c
@@ -0,0 +1,145 @@
+#include 
+
+#include "test-utils.h"
+
+#define TEST_SQUARE_SIZE 10
+
+static CoglPipeline *
+create_two_layer_pipeline (void)
+{
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+  CoglColor color;
+
+  /* The pipeline is initially black */
+  cogl_pipeline_set_color4ub (pipeline, 0, 0, 0, 255);
+
+  /* The first layer adds a full red component */
+  cogl_color_init_from_4ub (&color, 255, 0, 0, 255);
+  cogl_pipeline_set_layer_combine_constant (pipeline, 0, &color);
+  cogl_pipeline_set_layer_combine (pipeline,
+                                   0, /* layer_num */
+                                   "RGBA=ADD(PREVIOUS,CONSTANT)",
+                                   NULL);
+
+  /* The second layer adds a full green component */
+  cogl_color_init_from_4ub (&color, 0, 255, 0, 255);
+  cogl_pipeline_set_layer_combine_constant (pipeline, 1, &color);
+  cogl_pipeline_set_layer_combine (pipeline,
+                                   1, /* layer_num */
+                                   "RGBA=ADD(PREVIOUS,CONSTANT)",
+                                   NULL);
+
+  return pipeline;
+}
+
+static void
+test_color (CoglPipeline *pipeline,
+            uint32_t color,
+            int pos)
+{
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   pos * TEST_SQUARE_SIZE,
+                                   0,
+                                   pos * TEST_SQUARE_SIZE + TEST_SQUARE_SIZE,
+                                   TEST_SQUARE_SIZE);
+  test_utils_check_pixel (test_fb,
+                          pos * TEST_SQUARE_SIZE + TEST_SQUARE_SIZE / 2,
+                          TEST_SQUARE_SIZE / 2,
+                          color);
+}
+
+void
+test_layer_remove (void)
+{
+  CoglPipeline *pipeline0, *pipeline1;
+  CoglColor color;
+  int pos = 0;
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  /** TEST 1 **/
+  /* Basic sanity check that the pipeline combines the two colors
+   * together properly */
+  pipeline0 = create_two_layer_pipeline ();
+  test_color (pipeline0, 0xffff00ff, pos++);
+  cogl_object_unref (pipeline0);
+
+  /** TEST 2 **/
+  /* Check that we can remove the second layer */
+  pipeline0 = create_two_layer_pipeline ();
+  cogl_pipeline_remove_layer (pipeline0, 1);
+  test_color (pipeline0, 0xff0000ff, pos++);
+  cogl_object_unref (pipeline0);
+
+  /** TEST 3 **/
+  /* Check that we can remove the first layer */
+  pipeline0 = create_two_layer_pipeline ();
+  cogl_pipeline_remove_layer (pipeline0, 0);
+  test_color (pipeline0, 0x00ff00ff, pos++);
+  cogl_object_unref (pipeline0);
+
+  /** TEST 4 **/
+  /* Check that we can make a copy and remove a layer from the
+   * original pipeline */
+  pipeline0 = create_two_layer_pipeline ();
+  pipeline1 = cogl_pipeline_copy (pipeline0);
+  cogl_pipeline_remove_layer (pipeline0, 1);
+  test_color (pipeline0, 0xff0000ff, pos++);
+  test_color (pipeline1, 0xffff00ff, pos++);
+  cogl_object_unref (pipeline0);
+  cogl_object_unref (pipeline1);
+
+  /** TEST 5 **/
+  /* Check that we can make a copy and remove the second layer from the
+   * new pipeline */
+  pipeline0 = create_two_layer_pipeline ();
+  pipeline1 = cogl_pipeline_copy (pipeline0);
+  cogl_pipeline_remove_layer (pipeline1, 1);
+  test_color (pipeline0, 0xffff00ff, pos++);
+  test_color (pipeline1, 0xff0000ff, pos++);
+  cogl_object_unref (pipeline0);
+  cogl_object_unref (pipeline1);
+
+  /** TEST 6 **/
+  /* Check that we can make a copy and remove the first layer from the
+   * new pipeline */
+  pipeline0 = create_two_layer_pipeline ();
+  pipeline1 = cogl_pipeline_copy (pipeline0);
+  cogl_pipeline_remove_layer (pipeline1, 0);
+  test_color (pipeline0, 0xffff00ff, pos++);
+  test_color (pipeline1, 0x00ff00ff, pos++);
+  cogl_object_unref (pipeline0);
+  cogl_object_unref (pipeline1);
+
+  /** TEST 7 **/
+  /* Check that we can modify a layer in a child pipeline */
+  pipeline0 = create_two_layer_pipeline ();
+  pipeline1 = cogl_pipeline_copy (pipeline0);
+  cogl_color_init_from_4ub (&color, 0, 0, 255, 255);
+  cogl_pipeline_set_layer_combine_constant (pipeline1, 0, &color);
+  test_color (pipeline0, 0xffff00ff, pos++);
+  test_color (pipeline1, 0x00ffffff, pos++);
+  cogl_object_unref (pipeline0);
+  cogl_object_unref (pipeline1);
+
+  /** TEST 8 **/
+  /* Check that we can modify a layer in a child pipeline but then remove it */
+  pipeline0 = create_two_layer_pipeline ();
+  pipeline1 = cogl_pipeline_copy (pipeline0);
+  cogl_color_init_from_4ub (&color, 0, 0, 255, 255);
+  cogl_pipeline_set_layer_combine_constant (pipeline1, 0, &color);
+  cogl_pipeline_remove_layer (pipeline1, 0);
+  test_color (pipeline0, 0xffff00ff, pos++);
+  test_color (pipeline1, 0x00ff00ff, pos++);
+  cogl_object_unref (pipeline0);
+  cogl_object_unref (pipeline1);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-map-buffer-range.c b/tests/conform/test-map-buffer-range.c
new file mode 100644
index 0000000..e979240
--- /dev/null
+++ b/tests/conform/test-map-buffer-range.c
@@ -0,0 +1,123 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+static uint8_t
+tex_data[2 * 2 * 4] =
+  {
+    0xff, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff,
+    0x00, 0x00, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff
+  };
+
+/* Vertex data for a quad with all of the texture coordinates set to
+ * the top left (red) pixel */
+static CoglVertexP2T2
+vertex_data[4] =
+  {
+    { -1, -1, 0, 0 },
+    { 1, -1, 0, 0 },
+    { -1, 1, 0, 0 },
+    { 1, 1, 0, 0 }
+  };
+
+void
+test_map_buffer_range (void)
+{
+  CoglTexture2D *tex;
+  CoglPipeline *pipeline;
+  int fb_width, fb_height;
+  CoglAttributeBuffer *buffer;
+  CoglVertexP2T2 *data;
+  CoglAttribute *pos_attribute;
+  CoglAttribute *tex_coord_attribute;
+  CoglPrimitive *primitive;
+
+  tex = cogl_texture_2d_new_from_data (test_ctx,
+                                       2, 2, /* width/height */
+                                       COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                       2 * 4, /* rowstride */
+                                       tex_data,
+                                       NULL /* error */);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex);
+  cogl_pipeline_set_layer_filters (pipeline,
+                                   0, /* layer */
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+  cogl_pipeline_set_layer_wrap_mode (pipeline,
+                                     0, /* layer */
+                                     COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE);
+
+  fb_width = cogl_framebuffer_get_width (test_fb);
+  fb_height = cogl_framebuffer_get_height (test_fb);
+
+  buffer = cogl_attribute_buffer_new (test_ctx,
+                                      sizeof (vertex_data),
+                                      vertex_data);
+
+  /* Replace the texture coordinates of the third vertex with the
+   * coordinates for a green texel */
+  data = cogl_buffer_map_range (buffer,
+                                sizeof (vertex_data[0]) * 2,
+                                sizeof (vertex_data[0]),
+                                COGL_BUFFER_ACCESS_WRITE,
+                                COGL_BUFFER_MAP_HINT_DISCARD_RANGE,
+                                NULL); /* don't catch errors */
+  g_assert (data != NULL);
+
+  data->x = vertex_data[2].x;
+  data->y = vertex_data[2].y;
+  data->s = 1.0f;
+  data->t = 0.0f;
+
+  cogl_buffer_unmap (buffer);
+
+  pos_attribute =
+    cogl_attribute_new (buffer,
+                        "cogl_position_in",
+                        sizeof (vertex_data[0]),
+                        offsetof (CoglVertexP2T2, x),
+                        2, /* n_components */
+                        COGL_ATTRIBUTE_TYPE_FLOAT);
+  tex_coord_attribute =
+    cogl_attribute_new (buffer,
+                        "cogl_tex_coord_in",
+                        sizeof (vertex_data[0]),
+                        offsetof (CoglVertexP2T2, s),
+                        2, /* n_components */
+                        COGL_ATTRIBUTE_TYPE_FLOAT);
+
+  cogl_framebuffer_clear4f (test_fb,
+                            COGL_BUFFER_BIT_COLOR,
+                            0, 0, 0, 1);
+
+  primitive =
+    cogl_primitive_new (COGL_VERTICES_MODE_TRIANGLE_STRIP,
+                        4, /* n_vertices */
+                        pos_attribute,
+                        tex_coord_attribute,
+                        NULL);
+  cogl_primitive_draw (primitive, test_fb, pipeline);
+  cogl_object_unref (primitive);
+
+  /* Top left pixel should be the one that is replaced to be green */
+  test_utils_check_pixel (test_fb, 1, 1, 0x00ff00ff);
+  /* The other three corners should be left as red */
+  test_utils_check_pixel (test_fb, fb_width - 2, 1, 0xff0000ff);
+  test_utils_check_pixel (test_fb, 1, fb_height - 2, 0xff0000ff);
+  test_utils_check_pixel (test_fb, fb_width - 2, fb_height - 2, 0xff0000ff);
+
+  cogl_object_unref (buffer);
+  cogl_object_unref (pos_attribute);
+  cogl_object_unref (tex_coord_attribute);
+
+  cogl_object_unref (pipeline);
+  cogl_object_unref (tex);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-no-gl-header.c b/tests/conform/test-no-gl-header.c
new file mode 100644
index 0000000..9618d84
--- /dev/null
+++ b/tests/conform/test-no-gl-header.c
@@ -0,0 +1,16 @@
+#undef COGL_COMPILATION
+#include 
+
+/* If you just include cogl/cogl.h, you shouldn't end up including any
+   GL headers */
+#ifdef GL_TRUE
+#error "Including cogl.h shouldn't be including any GL headers"
+#endif
+
+void test_no_gl_header (void);
+
+void
+test_no_gl_header (void)
+{
+}
+
diff --git a/tests/conform/test-npot-texture.c b/tests/conform/test-npot-texture.c
new file mode 100644
index 0000000..85c16c9
--- /dev/null
+++ b/tests/conform/test-npot-texture.c
@@ -0,0 +1,170 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+/* Non-power-of-two sized texture that should cause slicing */
+#define TEXTURE_SIZE        384
+/* Number of times to split the texture up on each axis */
+#define PARTS               2
+/* The texture is split into four parts, each with a different colour */
+#define PART_SIZE           (TEXTURE_SIZE / PARTS)
+
+/* Amount of pixels to skip off the top, bottom, left and right of the
+   texture when reading back the stage */
+#define TEST_INSET          4
+
+/* Size to actually render the texture at */
+#define TEXTURE_RENDER_SIZE TEXTURE_SIZE
+/* The size of a part once rendered */
+#define PART_RENDER_SIZE    (TEXTURE_RENDER_SIZE / PARTS)
+
+static const uint32_t corner_colors[PARTS * PARTS] =
+  {
+    /* Top left     - red */    0xff0000ff,
+    /* Top right    - green */  0x00ff00ff,
+    /* Bottom left  - blue */   0x0000ffff,
+    /* Bottom right - yellow */ 0xffff00ff
+  };
+
+static void
+validate_part (int xnum,
+               int ynum,
+               uint32_t color)
+{
+  test_utils_check_region (test_fb,
+                           xnum * PART_RENDER_SIZE + TEST_INSET,
+                           ynum * PART_RENDER_SIZE + TEST_INSET,
+                           PART_RENDER_SIZE - TEST_INSET * 2,
+                           PART_RENDER_SIZE - TEST_INSET * 2,
+                           color);
+}
+
+static void
+validate_result (void)
+{
+  /* Validate that all four corners of the texture are drawn in the
+     right color */
+  validate_part (0, 0, corner_colors[0]);
+  validate_part (1, 0, corner_colors[1]);
+  validate_part (0, 1, corner_colors[2]);
+  validate_part (1, 1, corner_colors[3]);
+}
+
+static CoglTexture *
+make_texture (void)
+{
+  void *tex_data;
+  uint32_t *p;
+  CoglTexture *tex;
+  int partx, party, width, height;
+
+  p = tex_data = g_malloc (TEXTURE_SIZE * TEXTURE_SIZE * 4);
+
+  /* Make a texture with a different color for each part */
+  for (party = 0; party < PARTS; party++)
+    {
+      height = (party < PARTS - 1
+                ? PART_SIZE
+                : TEXTURE_SIZE - PART_SIZE * (PARTS - 1));
+
+      for (partx = 0; partx < PARTS; partx++)
+        {
+          uint32_t color = corner_colors[party * PARTS + partx];
+          width = (partx < PARTS - 1
+                   ? PART_SIZE
+                   : TEXTURE_SIZE - PART_SIZE * (PARTS - 1));
+
+          while (width-- > 0)
+            *(p++) = GUINT32_TO_BE (color);
+        }
+
+      while (--height > 0)
+        {
+          memcpy (p, p - TEXTURE_SIZE, TEXTURE_SIZE * 4);
+          p += TEXTURE_SIZE;
+        }
+    }
+
+  tex = test_utils_texture_new_from_data (test_ctx,
+                                          TEXTURE_SIZE,
+                                          TEXTURE_SIZE,
+                                          TEST_UTILS_TEXTURE_NO_ATLAS,
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          TEXTURE_SIZE * 4,
+                                          tex_data);
+
+  g_free (tex_data);
+
+  if (cogl_test_verbose ())
+    {
+      if (cogl_texture_is_sliced (tex))
+        g_print ("Texture is sliced\n");
+      else
+        g_print ("Texture is not sliced\n");
+    }
+
+  /* The texture should be sliced unless NPOTs are supported */
+  g_assert (cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_NPOT)
+            ? !cogl_texture_is_sliced (tex)
+            : cogl_texture_is_sliced (tex));
+
+  return tex;
+}
+
+static void
+paint (void)
+{
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+  CoglTexture *texture = make_texture ();
+  int y, x;
+
+  cogl_pipeline_set_layer_texture (pipeline, 0, texture);
+
+  /* Just render the texture in the top left corner */
+  /* Render the texture using four separate rectangles */
+  for (y = 0; y < 2; y++)
+    for (x = 0; x < 2; x++)
+      cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                                pipeline,
+                                                x * TEXTURE_RENDER_SIZE / 2,
+                                                y * TEXTURE_RENDER_SIZE / 2,
+                                                (x + 1) *
+                                                TEXTURE_RENDER_SIZE / 2,
+                                                (y + 1) *
+                                                TEXTURE_RENDER_SIZE / 2,
+                                                x / 2.0f,
+                                                y / 2.0f,
+                                                (x + 1) / 2.0f,
+                                                (y + 1) / 2.0f);
+
+  cogl_object_unref (pipeline);
+  cogl_object_unref (texture);
+}
+
+void
+test_npot_texture (void)
+{
+  if (cogl_test_verbose ())
+    {
+      if (cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_NPOT))
+        g_print ("NPOT textures are supported\n");
+      else
+        g_print ("NPOT textures are not supported\n");
+    }
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  paint ();
+  validate_result ();
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-offscreen.c b/tests/conform/test-offscreen.c
new file mode 100644
index 0000000..9bc14b7
--- /dev/null
+++ b/tests/conform/test-offscreen.c
@@ -0,0 +1,199 @@
+#define COGL_VERSION_MIN_REQUIRED COGL_VERSION_1_0
+
+#include 
+
+#include "test-utils.h"
+
+#define RED 0
+#define GREEN 1
+#define BLUE 2
+
+typedef struct _TestState
+{
+  int fb_width;
+  int fb_height;
+} TestState;
+
+static void
+check_quadrant (TestState *state,
+                int qx,
+                int qy,
+                uint32_t expected_rgba)
+{
+  /* The quadrants are all stuffed into the top right corner of the
+     framebuffer */
+  int x = state->fb_width * qx / 4 + state->fb_width / 2;
+  int y = state->fb_height * qy / 4;
+  int width = state->fb_width / 4;
+  int height = state->fb_height / 4;
+
+  /* Subtract a two-pixel gap around the edges to allow some rounding
+     differences */
+  x += 2;
+  y += 2;
+  width -= 4;
+  height -= 4;
+
+  test_utils_check_region (test_fb, x, y, width, height, expected_rgba);
+}
+
+static void
+test_paint (TestState *state)
+{
+  CoglTexture2D *tex_2d;
+  CoglTexture *tex;
+  CoglOffscreen *offscreen;
+
+  tex_2d = cogl_texture_2d_new_with_size (test_ctx,
+                                          state->fb_width,
+                                          state->fb_height);
+  tex = tex_2d;
+
+  offscreen = cogl_offscreen_new_with_texture (tex);
+
+  /* Set a scale and translate transform on the window framebuffer
+   * before switching to the offscreen framebuffer so we can verify it
+   * gets restored when we switch back
+   *
+   * The test is going to draw a grid of 4 colors to a texture which
+   * we subsequently draw to the window with a fullscreen rectangle.
+   * This transform will flip the texture left to right, scale it to a
+   * quarter of the window size and slide it to the top right of the
+   * window.
+   */
+  cogl_push_matrix ();
+  cogl_translate (0.5, 0.5, 0);
+  cogl_scale (-0.5, 0.5, 1);
+
+  cogl_push_framebuffer (offscreen);
+
+  /* Cogl should release the last reference when we call cogl_pop_framebuffer()
+   */
+  cogl_object_unref (offscreen);
+
+  /* Setup something other than the identity matrix for the modelview so we can
+   * verify it gets restored when we call cogl_pop_framebuffer () */
+  cogl_scale (2, 2, 1);
+
+  /* red, top left */
+  cogl_set_source_color4ub (0xff, 0x00, 0x00, 0xff);
+  cogl_rectangle (-0.5, 0.5, 0, 0);
+  /* green, top right */
+  cogl_set_source_color4ub (0x00, 0xff, 0x00, 0xff);
+  cogl_rectangle (0, 0.5, 0.5, 0);
+  /* blue, bottom left */
+  cogl_set_source_color4ub (0x00, 0x00, 0xff, 0xff);
+  cogl_rectangle (-0.5, 0, 0, -0.5);
+  /* white, bottom right */
+  cogl_set_source_color4ub (0xff, 0xff, 0xff, 0xff);
+  cogl_rectangle (0, 0, 0.5, -0.5);
+
+  cogl_pop_framebuffer ();
+
+  cogl_set_source_texture (tex);
+  cogl_rectangle (-1, 1, 1, -1);
+
+  cogl_object_unref (tex_2d);
+
+  cogl_pop_matrix ();
+
+  /* NB: The texture is drawn flipped horizontally and scaled to fit in the
+   * top right corner of the window. */
+
+  /* red, top right */
+  check_quadrant (state, 1, 0, 0xff0000ff);
+  /* green, top left */
+  check_quadrant (state, 0, 0, 0x00ff00ff);
+  /* blue, bottom right */
+  check_quadrant (state, 1, 1, 0x0000ffff);
+  /* white, bottom left */
+  check_quadrant (state, 0, 1, 0xffffffff);
+}
+
+static void
+test_flush (TestState *state)
+{
+  CoglTexture2D *tex_2d;
+  CoglTexture *tex;
+  CoglOffscreen *offscreen;
+  CoglColor clear_color;
+  int i;
+
+  for (i = 0; i < 3; i++)
+    {
+      /* This tests that rendering to a framebuffer and then reading back
+         the contents of the texture will automatically flush the
+         journal */
+
+      tex_2d = cogl_texture_2d_new_with_size (test_ctx,
+                                              16, 16); /* width/height */
+      tex = tex_2d;
+
+      offscreen = cogl_offscreen_new_with_texture (tex);
+
+      cogl_push_framebuffer (offscreen);
+
+      cogl_color_init_from_4ub (&clear_color, 0, 0, 0, 255);
+      cogl_clear (&clear_color, COGL_BUFFER_BIT_COLOR);
+
+      cogl_set_source_color4ub (255, 0, 0, 255);
+      cogl_rectangle (-1, -1, 1, 1);
+
+      if (i == 0)
+        /* First time check using read pixels on the offscreen */
+        test_utils_check_region (offscreen,
+                                 1, 1, 15, 15, 0xff0000ff);
+      else if (i == 1)
+        {
+          uint8_t data[16 * 4 * 16];
+          int x, y;
+
+          /* Second time try reading back the texture contents */
+          cogl_texture_get_data (tex,
+                                 COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                 16 * 4, /* rowstride */
+                                 data);
+
+          for (y = 1; y < 15; y++)
+            for (x = 1; x < 15; x++)
+              test_utils_compare_pixel (data + x * 4 + y * 16 * 4,
+                                        0xff0000ff);
+        }
+
+      cogl_pop_framebuffer ();
+
+      if (i == 2)
+        {
+          /* Third time try drawing the texture to the screen */
+          cogl_set_source_texture (tex);
+          cogl_rectangle (-1, -1, 1, 1);
+          test_utils_check_region (test_fb,
+                                   2, 2, /* x/y */
+                                   state->fb_width - 4,
+                                   state->fb_height - 4,
+                                   0xff0000ff);
+        }
+
+      cogl_object_unref (tex_2d);
+      cogl_object_unref (offscreen);
+    }
+}
+
+void
+test_offscreen (void)
+{
+  TestState state;
+
+  state.fb_width = cogl_framebuffer_get_width (test_fb);
+  state.fb_height = cogl_framebuffer_get_height (test_fb);
+
+  /* XXX: we have to push/pop a framebuffer since this test currently
+   * uses the legacy cogl_rectangle() api. */
+  cogl_push_framebuffer (test_fb);
+  test_paint (&state);
+  test_flush (&state);
+  cogl_pop_framebuffer ();
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-path-clip.c b/tests/conform/test-path-clip.c
new file mode 100644
index 0000000..95ad00b
--- /dev/null
+++ b/tests/conform/test-path-clip.c
@@ -0,0 +1,68 @@
+#define COGL_ENABLE_EXPERIMENTAL_2_0_API
+#include 
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+void
+test_path_clip (void)
+{
+  CoglPath *path;
+  CoglPipeline *pipeline;
+  int fb_width, fb_height;
+
+  fb_width = cogl_framebuffer_get_width (test_fb);
+  fb_height = cogl_framebuffer_get_height (test_fb);
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0, fb_width, fb_height, -1, 100);
+
+  path = cogl_path_new ();
+
+  cogl_framebuffer_clear4f (test_fb,
+                            COGL_BUFFER_BIT_COLOR,
+                            1.0f, 0.0f, 0.0f, 1.0f);
+
+  /* Make an L-shape with the top right corner left untouched */
+  cogl_path_move_to (path, 0, fb_height);
+  cogl_path_line_to (path, fb_width, fb_height);
+  cogl_path_line_to (path, fb_width, fb_height / 2);
+  cogl_path_line_to (path, fb_width / 2, fb_height / 2);
+  cogl_path_line_to (path, fb_width / 2, 0);
+  cogl_path_line_to (path, 0, 0);
+  cogl_path_close (path);
+
+  cogl_framebuffer_push_path_clip (test_fb, path);
+
+  /* Try to fill the framebuffer with a blue rectangle. This should be
+   * clipped to leave the top right quadrant as is */
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_color4ub (pipeline, 0, 0, 255, 255);
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   0, 0, fb_width, fb_height);
+
+  cogl_framebuffer_pop_clip (test_fb);
+
+  cogl_object_unref (pipeline);
+  cogl_object_unref (path);
+
+  /* Check each of the four quadrants */
+  test_utils_check_pixel (test_fb,
+                          fb_width / 4, fb_height / 4,
+                          0x0000ffff);
+  test_utils_check_pixel (test_fb,
+                          fb_width * 3 / 4, fb_height / 4,
+                          0xff0000ff);
+  test_utils_check_pixel (test_fb,
+                          fb_width / 4, fb_height * 3 / 4,
+                          0x0000ffff);
+  test_utils_check_pixel (test_fb,
+                          fb_width * 3 / 4, fb_height * 3 / 4,
+                          0x0000ffff);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-path.c b/tests/conform/test-path.c
new file mode 100644
index 0000000..11f7f15
--- /dev/null
+++ b/tests/conform/test-path.c
@@ -0,0 +1,215 @@
+#define COGL_ENABLE_EXPERIMENTAL_2_0_API
+#include 
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+#define BLOCK_SIZE 16
+
+/* Number of pixels at the border of a block quadrant to skip when verifying */
+#define TEST_INSET 1
+
+typedef struct _TestState
+{
+  int dummy;
+} TestState;
+
+static void
+draw_path_at (CoglPath *path, CoglPipeline *pipeline, int x, int y)
+{
+  cogl_framebuffer_push_matrix (test_fb);
+  cogl_framebuffer_translate (test_fb, x * BLOCK_SIZE, y * BLOCK_SIZE, 0.0f);
+
+  cogl_set_framebuffer (test_fb);
+  cogl_set_source (pipeline);
+  cogl_path_fill (path);
+
+  cogl_framebuffer_pop_matrix (test_fb);
+}
+
+static void
+check_block (int block_x, int block_y, int block_mask)
+{
+  uint32_t data[BLOCK_SIZE * BLOCK_SIZE];
+  int qx, qy;
+
+  /* Block mask represents which quarters of the block should be
+     filled. The bits from 0->3 represent the top left, top right,
+     bottom left and bottom right respectively */
+
+  cogl_framebuffer_read_pixels (test_fb,
+                                block_x * BLOCK_SIZE,
+                                block_y * BLOCK_SIZE,
+                                BLOCK_SIZE, BLOCK_SIZE,
+                                COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                (uint8_t *)data);
+
+  for (qy = 0; qy < 2; qy++)
+    for (qx = 0; qx < 2; qx++)
+      {
+        int bit = qx | (qy << 1);
+	const char *intended_pixel = ((block_mask & (1 << bit)) ? "#ffffff" : "#000000");
+        int x, y;
+
+        for (x = 0; x < BLOCK_SIZE / 2 - TEST_INSET * 2; x++)
+          for (y = 0; y < BLOCK_SIZE / 2 - TEST_INSET * 2; y++)
+            {
+              const uint32_t *p = data + (qx * BLOCK_SIZE / 2 +
+                                        qy * BLOCK_SIZE * BLOCK_SIZE / 2 +
+                                        (x + TEST_INSET) +
+                                        (y + TEST_INSET) * BLOCK_SIZE);
+	      char *screen_pixel = g_strdup_printf ("#%06x", GUINT32_FROM_BE (*p) >> 8);
+	      g_assert_cmpstr (screen_pixel, ==, intended_pixel);
+	      g_free (screen_pixel);
+            }
+      }
+}
+
+static void
+paint (TestState *state)
+{
+  CoglPath *path_a, *path_b, *path_c;
+  CoglPipeline *white = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_color4f (white, 1, 1, 1, 1);
+
+  /* Create a path filling just a quarter of a block. It will use two
+     rectangles so that we have a sub path in the path */
+  path_a = cogl_path_new ();
+  cogl_path_rectangle (path_a,
+                       BLOCK_SIZE * 3 / 4, BLOCK_SIZE / 2,
+                       BLOCK_SIZE, BLOCK_SIZE);
+  cogl_path_rectangle (path_a,
+                       BLOCK_SIZE / 2, BLOCK_SIZE / 2,
+                       BLOCK_SIZE * 3 / 4, BLOCK_SIZE);
+  draw_path_at (path_a, white, 0, 0);
+
+  /* Create another path filling the whole block */
+  path_b = cogl_path_new ();
+  cogl_path_rectangle (path_b, 0, 0, BLOCK_SIZE, BLOCK_SIZE);
+  draw_path_at (path_b, white, 1, 0);
+
+  /* Draw the first path again */
+  draw_path_at (path_a, white, 2, 0);
+
+  /* Draw a copy of path a */
+  path_c = cogl_path_copy (path_a);
+  draw_path_at (path_c, white, 3, 0);
+
+  /* Add another rectangle to path a. We'll use line_to's instead of
+     cogl_rectangle so that we don't create another sub-path because
+     that is more likely to break the copy */
+  cogl_path_line_to (path_a, 0, BLOCK_SIZE / 2);
+  cogl_path_line_to (path_a, 0, 0);
+  cogl_path_line_to (path_a, BLOCK_SIZE / 2, 0);
+  cogl_path_line_to (path_a, BLOCK_SIZE / 2, BLOCK_SIZE / 2);
+  draw_path_at (path_a, white, 4, 0);
+
+  /* Draw the copy again. It should not have changed */
+  draw_path_at (path_c, white, 5, 0);
+
+  /* Add another rectangle to path c. It will be added in two halves,
+     one as an extension of the previous path and the other as a new
+     sub path */
+  cogl_path_line_to (path_c, BLOCK_SIZE / 2, 0);
+  cogl_path_line_to (path_c, BLOCK_SIZE * 3 / 4, 0);
+  cogl_path_line_to (path_c, BLOCK_SIZE * 3 / 4, BLOCK_SIZE / 2);
+  cogl_path_line_to (path_c, BLOCK_SIZE / 2, BLOCK_SIZE / 2);
+  cogl_path_rectangle (path_c,
+                       BLOCK_SIZE * 3 / 4, 0, BLOCK_SIZE, BLOCK_SIZE / 2);
+  draw_path_at (path_c, white, 6, 0);
+
+  /* Draw the original path again. It should not have changed */
+  draw_path_at (path_a, white, 7, 0);
+
+  cogl_object_unref (path_a);
+  cogl_object_unref (path_b);
+  cogl_object_unref (path_c);
+
+  /* Draw a self-intersecting path. The part that intersects should be
+     inverted */
+  path_a = cogl_path_new ();
+  cogl_path_rectangle (path_a, 0, 0, BLOCK_SIZE, BLOCK_SIZE);
+  cogl_path_line_to (path_a, 0, BLOCK_SIZE / 2);
+  cogl_path_line_to (path_a, BLOCK_SIZE / 2, BLOCK_SIZE / 2);
+  cogl_path_line_to (path_a, BLOCK_SIZE / 2, 0);
+  cogl_path_close (path_a);
+  draw_path_at (path_a, white, 8, 0);
+  cogl_object_unref (path_a);
+
+  /* Draw two sub paths. Where the paths intersect it should be
+     inverted */
+  path_a = cogl_path_new ();
+  cogl_path_rectangle (path_a, 0, 0, BLOCK_SIZE, BLOCK_SIZE);
+  cogl_path_rectangle (path_a,
+                       BLOCK_SIZE / 2, BLOCK_SIZE / 2, BLOCK_SIZE, BLOCK_SIZE);
+  draw_path_at (path_a, white, 9, 0);
+  cogl_object_unref (path_a);
+
+  /* Draw a clockwise outer path */
+  path_a = cogl_path_new ();
+  cogl_path_move_to (path_a, 0, 0);
+  cogl_path_line_to (path_a, BLOCK_SIZE, 0);
+  cogl_path_line_to (path_a, BLOCK_SIZE, BLOCK_SIZE);
+  cogl_path_line_to (path_a, 0, BLOCK_SIZE);
+  cogl_path_close (path_a);
+  /* Add a clockwise sub path in the upper left quadrant */
+  cogl_path_move_to (path_a, 0, 0);
+  cogl_path_line_to (path_a, BLOCK_SIZE / 2, 0);
+  cogl_path_line_to (path_a, BLOCK_SIZE / 2, BLOCK_SIZE / 2);
+  cogl_path_line_to (path_a, 0, BLOCK_SIZE / 2);
+  cogl_path_close (path_a);
+  /* Add a counter-clockwise sub path in the upper right quadrant */
+  cogl_path_move_to (path_a, BLOCK_SIZE / 2, 0);
+  cogl_path_line_to (path_a, BLOCK_SIZE / 2, BLOCK_SIZE / 2);
+  cogl_path_line_to (path_a, BLOCK_SIZE, BLOCK_SIZE / 2);
+  cogl_path_line_to (path_a, BLOCK_SIZE, 0);
+  cogl_path_close (path_a);
+  /* Retain the path for the next test */
+  draw_path_at (path_a, white, 10, 0);
+
+  /* Draw the same path again with the other fill rule */
+  cogl_path_set_fill_rule (path_a, COGL_PATH_FILL_RULE_NON_ZERO);
+  draw_path_at (path_a, white, 11, 0);
+
+  cogl_object_unref (path_a);
+}
+
+static void
+validate_result ()
+{
+  check_block (0, 0, 0x8 /* bottom right */);
+  check_block (1, 0, 0xf /* all of them */);
+  check_block (2, 0, 0x8 /* bottom right */);
+  check_block (3, 0, 0x8 /* bottom right */);
+  check_block (4, 0, 0x9 /* top left and bottom right */);
+  check_block (5, 0, 0x8 /* bottom right */);
+  check_block (6, 0, 0xa /* bottom right and top right */);
+  check_block (7, 0, 0x9 /* top_left and bottom right */);
+  check_block (8, 0, 0xe /* all but top left */);
+  check_block (9, 0, 0x7 /* all but bottom right */);
+  check_block (10, 0, 0xc /* bottom two */);
+  check_block (11, 0, 0xd /* all but top right */);
+}
+
+void
+test_path (void)
+{
+  TestState state;
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  paint (&state);
+  validate_result ();
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-pipeline-cache-unrefs-texture.c b/tests/conform/test-pipeline-cache-unrefs-texture.c
new file mode 100644
index 0000000..5d278dc
--- /dev/null
+++ b/tests/conform/test-pipeline-cache-unrefs-texture.c
@@ -0,0 +1,91 @@
+#include 
+
+#include "test-utils.h"
+
+/* Keep track of the number of textures that we've created and are
+ * still alive */
+static int destroyed_texture_count = 0;
+
+#define N_TEXTURES 3
+
+static void
+free_texture_cb (void *user_data)
+{
+  destroyed_texture_count++;
+}
+
+static CoglTexture *
+create_texture (void)
+{
+  static const guint8 data[] =
+    { 0xff, 0xff, 0xff, 0xff };
+  static CoglUserDataKey texture_data_key;
+  CoglTexture2D *tex_2d;
+
+  tex_2d = cogl_texture_2d_new_from_data (test_ctx,
+                                          1, 1, /* width / height */
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          4, /* rowstride */
+                                          data,
+                                          NULL);
+
+  /* Set some user data on the texture so we can track when it has
+   * been destroyed */
+  cogl_object_set_user_data (COGL_OBJECT (tex_2d),
+                             &texture_data_key,
+                             GINT_TO_POINTER (1),
+                             free_texture_cb);
+
+  return tex_2d;
+}
+
+void
+test_pipeline_cache_unrefs_texture (void)
+{
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+  CoglPipeline *simple_pipeline;
+  int i;
+
+  /* Create a pipeline with three texture layers. That way we can be
+   * pretty sure the pipeline will cause a unique shader to be
+   * generated in the cache */
+  for (i = 0; i < N_TEXTURES; i++)
+    {
+      CoglTexture *tex = create_texture ();
+      cogl_pipeline_set_layer_texture (pipeline, i, tex);
+      cogl_object_unref (tex);
+    }
+
+  /* Draw something with the pipeline to ensure it gets into the
+   * pipeline cache */
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   0, 0, 10, 10);
+  cogl_framebuffer_finish (test_fb);
+
+  /* Draw something else so that it is no longer the current flushed
+   * pipeline, and the units have a different texture bound */
+  simple_pipeline = cogl_pipeline_new (test_ctx);
+  for (i = 0; i < N_TEXTURES; i++)
+    {
+      CoglColor combine_constant;
+      cogl_color_init_from_4ub (&combine_constant, i, 0, 0, 255);
+      cogl_pipeline_set_layer_combine_constant (simple_pipeline,
+                                                i,
+                                                &combine_constant);
+    }
+  cogl_framebuffer_draw_rectangle (test_fb, simple_pipeline, 0, 0, 10, 10);
+  cogl_framebuffer_finish (test_fb);
+  cogl_object_unref (simple_pipeline);
+
+  g_assert_cmpint (destroyed_texture_count, ==, 0);
+
+  /* Destroy the pipeline. This should immediately cause the textures
+   * to be freed */
+  cogl_object_unref (pipeline);
+
+  g_assert_cmpint (destroyed_texture_count, ==, N_TEXTURES);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-pipeline-shader-state.c b/tests/conform/test-pipeline-shader-state.c
new file mode 100644
index 0000000..4d1e5f2
--- /dev/null
+++ b/tests/conform/test-pipeline-shader-state.c
@@ -0,0 +1,93 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+void
+test_pipeline_shader_state (void)
+{
+  CoglOffscreen *offscreen;
+  CoglFramebuffer *fb;
+  CoglPipeline *base_pipeline;
+  CoglPipeline *draw_pipeline;
+  CoglTexture2D *tex;
+  CoglSnippet *snippet;
+
+  float width = cogl_framebuffer_get_width (test_fb);
+  float height = cogl_framebuffer_get_height (test_fb);
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0, width, height,
+                                 -1,
+                                 100);
+
+  tex = cogl_texture_2d_new_with_size (test_ctx, 128, 128);
+  offscreen = cogl_offscreen_new_with_texture (tex);
+  fb = offscreen;
+  cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+  cogl_object_unref (offscreen);
+
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR, 1, 1, 0, 1);
+
+
+  /* Setup a template pipeline... */
+
+  base_pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_layer_texture (base_pipeline, 1, tex);
+  cogl_pipeline_set_color4f (base_pipeline, 1, 0, 0, 1);
+
+
+  /* Derive a pipeline from the template, making a change that affects
+   * fragment processing but making sure not to affect vertex
+   * processing... */
+
+  draw_pipeline = cogl_pipeline_copy (base_pipeline);
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              NULL, /* declarations */
+                              "cogl_color_out = vec4 (0.0, 1.0, 0.1, 1.1);");
+  cogl_pipeline_add_snippet (draw_pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb, draw_pipeline,
+                                   0, 0, width, height);
+
+  cogl_object_unref (draw_pipeline);
+
+  cogl_framebuffer_finish (test_fb);
+
+
+  /* At this point we should have provoked cogl to cache some vertex
+   * shader state for the draw_pipeline with the base_pipeline because
+   * none of the changes made to the draw_pipeline affected vertex
+   * processing. (NB: cogl will cache shader state with the oldest
+   * ancestor that the state is still valid for to maximize the chance
+   * that it can be used with other derived pipelines)
+   *
+   * Now we make a change to the base_pipeline to make sure that this
+   * cached vertex shader gets invalidated.
+   */
+
+  cogl_pipeline_set_layer_texture (base_pipeline, 0, tex);
+
+
+  /* Now we derive another pipeline from base_pipeline to verify that
+   * it doesn't end up re-using the old cached state
+   */
+
+  draw_pipeline = cogl_pipeline_copy (base_pipeline);
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              NULL, /* declarations */
+                              "cogl_color_out = vec4 (0.0, 0.0, 1.1, 1.1);");
+  cogl_pipeline_add_snippet (draw_pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb, draw_pipeline,
+                                   0, 0, width, height);
+
+  cogl_object_unref (draw_pipeline);
+
+
+  test_utils_check_region (test_fb, 0, 0, width, height,
+                           0x0000ffff);
+}
diff --git a/tests/conform/test-pipeline-uniforms.c b/tests/conform/test-pipeline-uniforms.c
new file mode 100644
index 0000000..4d27558
--- /dev/null
+++ b/tests/conform/test-pipeline-uniforms.c
@@ -0,0 +1,415 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+#define LONG_ARRAY_SIZE 128
+
+typedef struct _TestState
+{
+  CoglPipeline *pipeline_red;
+  CoglPipeline *pipeline_green;
+  CoglPipeline *pipeline_blue;
+
+  CoglPipeline *matrix_pipeline;
+  CoglPipeline *vector_pipeline;
+  CoglPipeline *int_pipeline;
+
+  CoglPipeline *long_pipeline;
+  int long_uniform_locations[LONG_ARRAY_SIZE];
+} TestState;
+
+static const char
+color_source[] =
+  "uniform float red, green, blue;\n"
+  "\n"
+  "void\n"
+  "main ()\n"
+  "{\n"
+  "  cogl_color_out = vec4 (red, green, blue, 1.0);\n"
+  "}\n";
+
+static const char
+matrix_source[] =
+  "uniform mat4 matrix_array[4];\n"
+  "\n"
+  "void\n"
+  "main ()\n"
+  "{\n"
+  "  vec4 color = vec4 (0.0, 0.0, 0.0, 1.0);\n"
+  "  int i;\n"
+  "\n"
+  "  for (i = 0; i < 4; i++)\n"
+  "    color = matrix_array[i] * color;\n"
+  "\n"
+  "  cogl_color_out = color;\n"
+  "}\n";
+
+static const char
+vector_source[] =
+  "uniform vec4 vector_array[2];\n"
+  "uniform vec3 short_vector;\n"
+  "\n"
+  "void\n"
+  "main ()\n"
+  "{\n"
+  "  cogl_color_out = (vector_array[0] +\n"
+  "                    vector_array[1] +\n"
+  "                    vec4 (short_vector, 1.0));\n"
+  "}\n";
+
+static const char
+int_source[] =
+  "uniform ivec4 vector_array[2];\n"
+  "uniform int single_value;\n"
+  "\n"
+  "void\n"
+  "main ()\n"
+  "{\n"
+  "  cogl_color_out = (vec4 (vector_array[0]) +\n"
+  "                    vec4 (vector_array[1]) +\n"
+  "                    vec4 (float (single_value), 0.0, 0.0, 255.0)) / 255.0;\n"
+  "}\n";
+
+static const char
+long_source[] =
+  "uniform int long_array[" G_STRINGIFY (LONG_ARRAY_SIZE) "];\n"
+  "const int last_index = " G_STRINGIFY (LONG_ARRAY_SIZE) " - 1;\n"
+  "\n"
+  "void\n"
+  "main ()\n"
+  "{\n"
+  "  cogl_color_out = vec4 (float (long_array[last_index]), 0.0, 0.0, 1.0);\n"
+  "}\n";
+
+static CoglPipeline *
+create_pipeline_for_shader (TestState *state, const char *shader_source)
+{
+  CoglPipeline *pipeline;
+  CoglHandle shader;
+  CoglHandle program;
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  shader = cogl_create_shader (COGL_SHADER_TYPE_FRAGMENT);
+  cogl_shader_source (shader, shader_source);
+
+  program = cogl_create_program ();
+  cogl_program_attach_shader (program, shader);
+
+  cogl_pipeline_set_user_program (pipeline, program);
+
+  cogl_handle_unref (shader);
+  cogl_handle_unref (program);
+
+  return pipeline;
+}
+
+static void
+init_state (TestState *state)
+{
+  int uniform_location;
+
+  state->pipeline_red = create_pipeline_for_shader (state, color_source);
+
+  uniform_location =
+    cogl_pipeline_get_uniform_location (state->pipeline_red, "red");
+  cogl_pipeline_set_uniform_1f (state->pipeline_red, uniform_location, 1.0f);
+  uniform_location =
+    cogl_pipeline_get_uniform_location (state->pipeline_red, "green");
+  cogl_pipeline_set_uniform_1f (state->pipeline_red, uniform_location, 0.0f);
+  uniform_location =
+    cogl_pipeline_get_uniform_location (state->pipeline_red, "blue");
+  cogl_pipeline_set_uniform_1f (state->pipeline_red, uniform_location, 0.0f);
+
+  state->pipeline_green = cogl_pipeline_copy (state->pipeline_red);
+  uniform_location =
+    cogl_pipeline_get_uniform_location (state->pipeline_green, "green");
+  cogl_pipeline_set_uniform_1f (state->pipeline_green, uniform_location, 1.0f);
+
+  state->pipeline_blue = cogl_pipeline_copy (state->pipeline_red);
+  uniform_location =
+    cogl_pipeline_get_uniform_location (state->pipeline_blue, "blue");
+  cogl_pipeline_set_uniform_1f (state->pipeline_blue, uniform_location, 1.0f);
+
+  state->matrix_pipeline = create_pipeline_for_shader (state, matrix_source);
+  state->vector_pipeline = create_pipeline_for_shader (state, vector_source);
+  state->int_pipeline = create_pipeline_for_shader (state, int_source);
+
+  state->long_pipeline = NULL;
+}
+
+static void
+init_long_pipeline_state (TestState *state)
+{
+  int i;
+
+  state->long_pipeline = create_pipeline_for_shader (state, long_source);
+
+  /* This tries to lookup a large number of uniform names to make sure
+     that the bitmask of overriden uniforms flows over the size of a
+     single long so that it has to resort to allocating it */
+  for (i = 0; i < LONG_ARRAY_SIZE; i++)
+    {
+      char *uniform_name = g_strdup_printf ("long_array[%i]", i);
+      state->long_uniform_locations[i] =
+        cogl_pipeline_get_uniform_location (state->long_pipeline,
+                                            uniform_name);
+      g_free (uniform_name);
+    }
+}
+
+static void
+destroy_state (TestState *state)
+{
+  cogl_object_unref (state->pipeline_red);
+  cogl_object_unref (state->pipeline_green);
+  cogl_object_unref (state->pipeline_blue);
+  cogl_object_unref (state->matrix_pipeline);
+  cogl_object_unref (state->vector_pipeline);
+  cogl_object_unref (state->int_pipeline);
+
+  if (state->long_pipeline)
+    cogl_object_unref (state->long_pipeline);
+}
+
+static void
+paint_pipeline (CoglPipeline *pipeline, int pos)
+{
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline,
+                                   pos * 10, 0, pos * 10 + 10, 10);
+}
+
+static void
+paint_color_pipelines (TestState *state)
+{
+  CoglPipeline *temp_pipeline;
+  int uniform_location;
+  int i;
+
+  /* Paint with the first pipeline that sets the uniforms to bright
+     red */
+  paint_pipeline (state->pipeline_red, 0);
+
+  /* Paint with the two other pipelines. These inherit from the red
+     pipeline and only override one other component. The values for
+     the two other components should be inherited from the red
+     pipeline. */
+  paint_pipeline (state->pipeline_green, 1);
+  paint_pipeline (state->pipeline_blue, 2);
+
+  /* Try modifying a single pipeline for multiple rectangles */
+  temp_pipeline = cogl_pipeline_copy (state->pipeline_green);
+  uniform_location = cogl_pipeline_get_uniform_location (temp_pipeline,
+                                                         "green");
+
+  for (i = 0; i <= 8; i++)
+    {
+      cogl_pipeline_set_uniform_1f (temp_pipeline, uniform_location,
+                                    i / 8.0f);
+      paint_pipeline (temp_pipeline, i + 3);
+    }
+
+  cogl_object_unref (temp_pipeline);
+}
+
+static void
+paint_matrix_pipeline (CoglPipeline *pipeline)
+{
+  CoglMatrix matrices[4];
+  float matrix_floats[16 * 4];
+  int uniform_location;
+  int i;
+
+  for (i = 0; i < 4; i++)
+    cogl_matrix_init_identity (matrices + i);
+
+  /* Use the first matrix to make the color red */
+  cogl_matrix_translate (matrices + 0, 1.0f, 0.0f, 0.0f);
+
+  /* Rotate the vertex so that it ends up green */
+  cogl_matrix_rotate (matrices + 1, 90.0f, 0.0f, 0.0f, 1.0f);
+
+  /* Scale the vertex so it ends up halved */
+  cogl_matrix_scale (matrices + 2, 0.5f, 0.5f, 0.5f);
+
+  /* Add a blue component in the final matrix. The final matrix is
+     uploaded as transposed so we need to transpose first to cancel
+     that out */
+  cogl_matrix_translate (matrices + 3, 0.0f, 0.0f, 1.0f);
+  cogl_matrix_transpose (matrices + 3);
+
+  for (i = 0; i < 4; i++)
+    memcpy (matrix_floats + i * 16,
+            cogl_matrix_get_array (matrices + i),
+            sizeof (float) * 16);
+
+  /* Set the first three matrices as transposed */
+  uniform_location =
+    cogl_pipeline_get_uniform_location (pipeline, "matrix_array");
+  cogl_pipeline_set_uniform_matrix (pipeline,
+                                    uniform_location,
+                                    4, /* dimensions */
+                                    3, /* count */
+                                    FALSE, /* not transposed */
+                                    matrix_floats);
+
+  /* Set the last matrix as untransposed */
+  uniform_location =
+    cogl_pipeline_get_uniform_location (pipeline, "matrix_array[3]");
+  cogl_pipeline_set_uniform_matrix (pipeline,
+                                    uniform_location,
+                                    4, /* dimensions */
+                                    1, /* count */
+                                    TRUE, /* transposed */
+                                    matrix_floats + 16 * 3);
+
+  paint_pipeline (pipeline, 12);
+}
+
+static void
+paint_vector_pipeline (CoglPipeline *pipeline)
+{
+  float vector_array_values[] = { 1.0f, 0.0f, 0.0f, 0.0f,
+                                  0.0f, 1.0f, 0.0f, 0.0f };
+  float short_vector_values[] = { 0.0f, 0.0f, 1.0f };
+  int uniform_location;
+
+  uniform_location =
+    cogl_pipeline_get_uniform_location (pipeline, "vector_array");
+  cogl_pipeline_set_uniform_float (pipeline,
+                                   uniform_location,
+                                   4, /* n_components */
+                                   2, /* count */
+                                   vector_array_values);
+
+  uniform_location =
+    cogl_pipeline_get_uniform_location (pipeline, "short_vector");
+  cogl_pipeline_set_uniform_float (pipeline,
+                                   uniform_location,
+                                   3, /* n_components */
+                                   1, /* count */
+                                   short_vector_values);
+
+  paint_pipeline (pipeline, 13);
+}
+
+static void
+paint_int_pipeline (CoglPipeline *pipeline)
+{
+  int vector_array_values[] = { 0x00, 0x00, 0xff, 0x00,
+                                0x00, 0xff, 0x00, 0x00 };
+  int single_value = 0x80;
+  int uniform_location;
+
+  uniform_location =
+    cogl_pipeline_get_uniform_location (pipeline, "vector_array");
+  cogl_pipeline_set_uniform_int (pipeline,
+                                 uniform_location,
+                                 4, /* n_components */
+                                 2, /* count */
+                                 vector_array_values);
+
+  uniform_location =
+    cogl_pipeline_get_uniform_location (pipeline, "single_value");
+  cogl_pipeline_set_uniform_1i (pipeline,
+                                uniform_location,
+                                single_value);
+
+  paint_pipeline (pipeline, 14);
+}
+
+static void
+paint_long_pipeline (TestState *state)
+{
+  int i;
+
+  for (i = 0; i < LONG_ARRAY_SIZE; i++)
+    {
+      int location = state->long_uniform_locations[i];
+
+      cogl_pipeline_set_uniform_1i (state->long_pipeline,
+                                    location,
+                                    i == LONG_ARRAY_SIZE - 1);
+    }
+
+  paint_pipeline (state->long_pipeline, 15);
+}
+
+static void
+paint (TestState *state)
+{
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+  paint_color_pipelines (state);
+  paint_matrix_pipeline (state->matrix_pipeline);
+  paint_vector_pipeline (state->vector_pipeline);
+  paint_int_pipeline (state->int_pipeline);
+}
+
+static void
+check_pos (int pos, uint32_t color)
+{
+  test_utils_check_pixel (test_fb, pos * 10 + 5, 5, color);
+}
+
+static void
+validate_result (void)
+{
+  int i;
+
+  check_pos (0, 0xff0000ff);
+  check_pos (1, 0xffff00ff);
+  check_pos (2, 0xff00ffff);
+
+  for (i = 0; i <= 8; i++)
+    {
+      int green_value = i / 8.0f * 255.0f + 0.5f;
+      check_pos (i + 3, 0xff0000ff + (green_value << 16));
+    }
+
+  check_pos (12, 0x0080ffff);
+  check_pos (13, 0xffffffff);
+  check_pos (14, 0x80ffffff);
+}
+
+static void
+validate_long_pipeline_result (void)
+{
+  check_pos (15, 0xff0000ff);
+}
+
+void
+test_pipeline_uniforms (void)
+{
+  TestState state;
+
+  init_state (&state);
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  paint (&state);
+  validate_result ();
+
+  /* Try the test again after querying the location of a large
+     number of uniforms. This should verify that the bitmasks
+     still work even if they have to allocate a separate array to
+     store the bits */
+
+  init_long_pipeline_state (&state);
+  paint (&state);
+  paint_long_pipeline (&state);
+  validate_result ();
+  validate_long_pipeline_result ();
+
+  destroy_state (&state);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-pipeline-user-matrix.c b/tests/conform/test-pipeline-user-matrix.c
new file mode 100644
index 0000000..f7cdee8
--- /dev/null
+++ b/tests/conform/test-pipeline-user-matrix.c
@@ -0,0 +1,140 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+typedef struct _TestState
+{
+  int width;
+  int height;
+} TestState;
+
+static void
+validate_result (TestState *state)
+{
+  uint32_t *pixels, *p;
+  char *screen_pixel;
+  const char *intended_pixel = "#ffffff";
+
+  /* The textures are setup so that when added together with the
+     correct matrices then all of the pixels should be white. We can
+     verify this by reading back the entire stage */
+  pixels = g_malloc (state->width * state->height * 4);
+
+  cogl_framebuffer_read_pixels (test_fb, 0, 0, state->width, state->height,
+                                COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                (uint8_t *)pixels);
+
+  for (p = pixels; p < pixels + state->width * state->height; p++)
+    {
+      screen_pixel = g_strdup_printf ("#%06x", GUINT32_FROM_BE (*p) >> 8);
+      g_assert_cmpstr (screen_pixel, ==, intended_pixel);
+      g_free (screen_pixel);
+    }
+}
+
+static void
+paint (TestState *state)
+{
+  /* This texture is painted mirrored around the x-axis */
+  uint8_t data0[] = {
+    0xff, 0x00, 0x00, /* red -> becomes bottom left */
+    0x00, 0xff, 0x00, /* green -> becomes bottom right */
+    0x00, 0x00, 0xff, /* blue -> becomes top left */
+    0xff, 0x00, 0xff  /* magenta -> becomes top right */
+  };
+  /* This texture is painted mirrored about the y-axis */
+  uint8_t data1[] = {
+    0x00, 0xff, 0x00, /* green -> becomes top right */
+    0xff, 0xff, 0x00, /* yellow -> becomes top left */
+    0xff, 0x00, 0xff, /* magenta -> becomes bottom right */
+    0x00, 0xff, 0xff  /* cyan -> becomes bottom left */
+  };
+  CoglTexture *tex0, *tex1;
+  CoglPipeline *pipeline;
+  CoglMatrix matrix;
+  CoglError *error = NULL;
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 state->width,
+                                 state->height,
+                                 -1,
+                                 100);
+
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+  cogl_matrix_init_identity (&matrix);
+  cogl_framebuffer_set_modelview_matrix (test_fb, &matrix);
+
+  tex0 = cogl_texture_new_from_data (2, 2,
+                                     COGL_TEXTURE_NO_ATLAS,
+                                     COGL_PIXEL_FORMAT_RGB_888,
+                                     COGL_PIXEL_FORMAT_ANY,
+                                     6,
+                                     data0);
+  tex1 = cogl_texture_new_from_data (2, 2,
+                                     COGL_TEXTURE_NO_ATLAS,
+                                     COGL_PIXEL_FORMAT_RGB_888,
+                                     COGL_PIXEL_FORMAT_ANY,
+                                     6,
+                                     data1);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  /* Set the two textures as layers */
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex0);
+  cogl_pipeline_set_layer_filters (pipeline, 0,
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+  cogl_pipeline_set_layer_texture (pipeline, 1, tex1);
+  cogl_pipeline_set_layer_filters (pipeline, 1,
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+
+  /* Set a combine mode so that the two textures get added together */
+  if (!cogl_pipeline_set_layer_combine (pipeline, 1,
+					"RGBA=ADD(PREVIOUS, TEXTURE)",
+					&error))
+    {
+      g_warning ("Error setting blend string: %s", error->message);
+      g_assert_not_reached ();
+    }
+
+  /* Set a matrix on the first layer so that it will mirror about the y-axis */
+  cogl_matrix_init_identity (&matrix);
+  cogl_matrix_translate (&matrix, 0.0f, 1.0f, 0.0f);
+  cogl_matrix_scale (&matrix, 1.0f, -1.0f, 1.0f);
+  cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
+
+  /* Set a matrix on the second layer so that it will mirror about the x-axis */
+  cogl_matrix_init_identity (&matrix);
+  cogl_matrix_translate (&matrix, 1.0f, 0.0f, 0.0f);
+  cogl_matrix_scale (&matrix, -1.0f, 1.0f, 1.0f);
+  cogl_pipeline_set_layer_matrix (pipeline, 1, &matrix);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   0, 0,
+                                   state->width, state->height);
+
+  cogl_object_unref (tex1);
+  cogl_object_unref (tex0);
+  cogl_object_unref (pipeline);
+}
+
+void
+test_pipeline_user_matrix (void)
+{
+  TestState state;
+
+  state.width = cogl_framebuffer_get_width (test_fb);
+  state.height = cogl_framebuffer_get_height (test_fb);
+
+  paint (&state);
+  validate_result (&state);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-pixel-buffer.c b/tests/conform/test-pixel-buffer.c
new file mode 100644
index 0000000..a78516d
--- /dev/null
+++ b/tests/conform/test-pixel-buffer.c
@@ -0,0 +1,269 @@
+#include 
+#include 
+
+#include "test-utils.h"
+
+#define BITMAP_SIZE 256
+
+/*
+ * Creates a 256 x 256 with image data split into four quadrants. The
+ * colours of these in reading order will be: blue, green, cyan,
+ * red */
+static void
+generate_bitmap_data (uint8_t *data,
+                      int stride)
+{
+  int y, x;
+
+  for (y = 0; y < BITMAP_SIZE; y++)
+    {
+      for (x = 0; x < BITMAP_SIZE; x++)
+        {
+          int color_num = x / (BITMAP_SIZE / 2) + y / (BITMAP_SIZE / 2) * 2 + 1;
+          *(data++) = (color_num & 4) ? 255 : 0;
+          *(data++) = (color_num & 2) ? 255 : 0;
+          *(data++) = (color_num & 1) ? 255 : 0;
+          *(data++) = 255;
+        }
+      data += stride - BITMAP_SIZE * 4;
+    }
+}
+
+static CoglBitmap *
+create_bitmap (void)
+{
+  CoglBitmap *bitmap;
+  CoglBuffer *buffer;
+
+  bitmap = cogl_bitmap_new_with_size (test_ctx,
+                                      BITMAP_SIZE,
+                                      BITMAP_SIZE,
+                                      COGL_PIXEL_FORMAT_RGBA_8888);
+  buffer = cogl_bitmap_get_buffer (bitmap);
+
+  g_assert (cogl_is_pixel_buffer (buffer));
+  g_assert (cogl_is_buffer (buffer));
+
+  cogl_buffer_set_update_hint (buffer, COGL_BUFFER_UPDATE_HINT_DYNAMIC);
+  g_assert_cmpint (cogl_buffer_get_update_hint (buffer),
+                   ==,
+                   COGL_BUFFER_UPDATE_HINT_DYNAMIC);
+
+  return bitmap;
+}
+
+static CoglBitmap *
+create_and_fill_bitmap (void)
+{
+  CoglBitmap *bitmap = create_bitmap ();
+  CoglBuffer *buffer = cogl_bitmap_get_buffer (bitmap);
+  uint8_t *map;
+  unsigned int stride;
+
+  stride = cogl_bitmap_get_rowstride (bitmap);
+
+  map = cogl_buffer_map (buffer,
+                         COGL_BUFFER_ACCESS_WRITE,
+                         COGL_BUFFER_MAP_HINT_DISCARD);
+  g_assert (map);
+
+  generate_bitmap_data (map, stride);
+
+  cogl_buffer_unmap (buffer);
+
+  return bitmap;
+}
+
+static CoglTexture *
+create_texture_from_bitmap (CoglBitmap *bitmap)
+{
+  CoglTexture2D *texture;
+
+  texture = cogl_texture_2d_new_from_bitmap (bitmap);
+
+  g_assert (texture != NULL);
+
+  return texture;
+}
+
+static CoglPipeline *
+create_pipeline_from_texture (CoglTexture *texture)
+{
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_layer_texture (pipeline, 0, texture);
+  cogl_pipeline_set_layer_filters (pipeline,
+                                   0, /* layer_num */
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+
+  return pipeline;
+}
+
+static void
+check_colours (uint32_t color0,
+               uint32_t color1,
+               uint32_t color2,
+               uint32_t color3)
+{
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+
+  test_utils_check_region (test_fb,
+                           1, 1, /* x/y */
+                           fb_width / 2 - 2, /* width */
+                           fb_height / 2 - 2, /* height */
+                           color0);
+  test_utils_check_region (test_fb,
+                           fb_width / 2 + 1, /* x */
+                           1, /* y */
+                           fb_width / 2 - 2, /* width */
+                           fb_height / 2 - 2, /* height */
+                           color1);
+  test_utils_check_region (test_fb,
+                           1, /* x */
+                           fb_height / 2 + 1, /* y */
+                           fb_width / 2 - 2, /* width */
+                           fb_height / 2 - 2, /* height */
+                           color2);
+  test_utils_check_region (test_fb,
+                           fb_width / 2 + 1, /* x */
+                           fb_height / 2 + 1, /* y */
+                           fb_width / 2 - 2, /* width */
+                           fb_height / 2 - 2, /* height */
+                           color3);
+}
+
+void
+test_pixel_buffer_map (void)
+{
+  CoglBitmap *bitmap = create_and_fill_bitmap ();
+  CoglPipeline *pipeline;
+  CoglTexture *texture;
+
+  texture = create_texture_from_bitmap (bitmap);
+  pipeline = create_pipeline_from_texture (texture);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   -1.0f, 1.0f,
+                                   1.0f, -1.0f);
+
+  cogl_object_unref (bitmap);
+  cogl_object_unref (texture);
+  cogl_object_unref (pipeline);
+
+  check_colours (0x0000ffff,
+                 0x00ff00ff,
+                 0x00ffffff,
+                 0xff0000ff);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
+void
+test_pixel_buffer_set_data (void)
+{
+  CoglBitmap *bitmap = create_bitmap ();
+  CoglBuffer *buffer = cogl_bitmap_get_buffer (bitmap);
+  CoglPipeline *pipeline;
+  CoglTexture *texture;
+  uint8_t *data;
+  unsigned int stride;
+
+  stride = cogl_bitmap_get_rowstride (bitmap);
+
+  data = g_malloc (stride * BITMAP_SIZE);
+
+  generate_bitmap_data (data, stride);
+
+  cogl_buffer_set_data (buffer,
+                        0, /* offset */
+                        data,
+                        stride * (BITMAP_SIZE - 1) +
+                        BITMAP_SIZE * 4);
+
+  g_free (data);
+
+  texture = create_texture_from_bitmap (bitmap);
+  pipeline = create_pipeline_from_texture (texture);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   -1.0f, 1.0f,
+                                   1.0f, -1.0f);
+
+  cogl_object_unref (bitmap);
+  cogl_object_unref (texture);
+  cogl_object_unref (pipeline);
+
+  check_colours (0x0000ffff,
+                 0x00ff00ff,
+                 0x00ffffff,
+                 0xff0000ff);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
+static CoglTexture *
+create_white_texture (void)
+{
+  CoglTexture2D *texture;
+  uint8_t *data = g_malloc (BITMAP_SIZE * BITMAP_SIZE * 4);
+
+  memset (data, 255, BITMAP_SIZE * BITMAP_SIZE * 4);
+
+  texture = cogl_texture_2d_new_from_data (test_ctx,
+                                           BITMAP_SIZE,
+                                           BITMAP_SIZE,
+                                           COGL_PIXEL_FORMAT_RGBA_8888,
+                                           BITMAP_SIZE * 4, /* rowstride */
+                                           data,
+                                           NULL); /* don't catch errors */
+
+  g_free (data);
+
+  return texture;
+}
+
+void
+test_pixel_buffer_sub_region (void)
+{
+  CoglBitmap *bitmap = create_and_fill_bitmap ();
+  CoglPipeline *pipeline;
+  CoglTexture *texture;
+
+  texture = create_white_texture ();
+
+  /* Replace the top-right quadrant of the texture with the red part
+   * of the bitmap */
+  cogl_texture_set_region_from_bitmap (texture,
+                                       BITMAP_SIZE / 2, /* src_x */
+                                       BITMAP_SIZE / 2, /* src_y */
+                                       BITMAP_SIZE / 2, /* dst_x */
+                                       0, /* dst_y */
+                                       BITMAP_SIZE / 2, /* width */
+                                       BITMAP_SIZE / 2, /* height */
+                                       bitmap);
+
+  pipeline = create_pipeline_from_texture (texture);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   -1.0f, 1.0f,
+                                   1.0f, -1.0f);
+
+  cogl_object_unref (bitmap);
+  cogl_object_unref (texture);
+  cogl_object_unref (pipeline);
+
+  check_colours (0xffffffff,
+                 0xff0000ff,
+                 0xffffffff,
+                 0xffffffff);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-point-size-attribute.c b/tests/conform/test-point-size-attribute.c
new file mode 100644
index 0000000..a08d1da
--- /dev/null
+++ b/tests/conform/test-point-size-attribute.c
@@ -0,0 +1,166 @@
+#include 
+
+#include "test-utils.h"
+
+/* This test assumes the GL driver supports point sizes up to 16
+   pixels. Cogl should probably have some way of querying the size so
+   we start from that instead */
+#define MAX_POINT_SIZE 16
+#define MIN_POINT_SIZE 4
+#define N_POINTS (MAX_POINT_SIZE - MIN_POINT_SIZE + 1)
+/* The size of the area that we'll paint each point in */
+#define POINT_BOX_SIZE (MAX_POINT_SIZE * 2)
+
+typedef struct
+{
+  float x, y;
+  float point_size;
+} PointVertex;
+
+static int
+calc_coord_offset (int pos, int pos_index, int point_size)
+{
+  switch (pos_index)
+    {
+    case 0: return pos - point_size / 2 - 2;
+    case 1: return pos - point_size / 2 + 2;
+    case 2: return pos + point_size / 2 - 2;
+    case 3: return pos + point_size / 2 + 2;
+    }
+
+  g_assert_not_reached ();
+}
+
+static void
+verify_point_size (CoglFramebuffer *test_fb,
+                   int x_pos,
+                   int y_pos,
+                   int point_size)
+{
+  int y, x;
+
+  for (y = 0; y < 4; y++)
+    for (x = 0; x < 4; x++)
+      {
+        CoglBool in_point = x >= 1 && x <= 2 && y >= 1 && y <= 2;
+        uint32_t expected_pixel = in_point ? 0x00ff00ff : 0xff0000ff;
+
+        test_utils_check_pixel (test_fb,
+                                calc_coord_offset (x_pos, x, point_size),
+                                calc_coord_offset (y_pos, y, point_size),
+                                expected_pixel);
+      }
+}
+
+static CoglPrimitive *
+create_primitive (const char *attribute_name)
+{
+  PointVertex vertices[N_POINTS];
+  CoglAttributeBuffer *buffer;
+  CoglAttribute *attributes[2];
+  CoglPrimitive *prim;
+  int i;
+
+  for (i = 0; i < N_POINTS; i++)
+    {
+      vertices[i].x = i * POINT_BOX_SIZE + POINT_BOX_SIZE / 2;
+      vertices[i].y = POINT_BOX_SIZE / 2;
+      vertices[i].point_size = MAX_POINT_SIZE - i;
+    }
+
+  buffer = cogl_attribute_buffer_new (test_ctx,
+                                      sizeof (vertices),
+                                      vertices);
+
+  attributes[0] = cogl_attribute_new (buffer,
+                                      "cogl_position_in",
+                                      sizeof (PointVertex),
+                                      G_STRUCT_OFFSET (PointVertex, x),
+                                      2, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_FLOAT);
+  attributes[1] = cogl_attribute_new (buffer,
+                                      attribute_name,
+                                      sizeof (PointVertex),
+                                      G_STRUCT_OFFSET (PointVertex, point_size),
+                                      1, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_FLOAT);
+
+  prim = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_POINTS,
+                                             N_POINTS,
+                                             attributes,
+                                             2 /* n_attributes */);
+
+  for (i = 0; i < 2; i++)
+    cogl_object_unref (attributes[i]);
+
+  return prim;
+}
+
+static void
+do_test (const char *attribute_name,
+         void (* pipeline_setup_func) (CoglPipeline *pipeline))
+{
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+  CoglPrimitive *primitive;
+  CoglPipeline *pipeline;
+  int i;
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0, /* x_1, y_1 */
+                                 fb_width, /* x_2 */
+                                 fb_height /* y_2 */,
+                                 -1, 100 /* near/far */);
+
+  cogl_framebuffer_clear4f (test_fb,
+                            COGL_BUFFER_BIT_COLOR,
+                            1.0f, 0.0f, 0.0f, 1.0f);
+
+  primitive = create_primitive (attribute_name);
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_color4ub (pipeline, 0x00, 0xff, 0x00, 0xff);
+  cogl_pipeline_set_per_vertex_point_size (pipeline, TRUE, NULL);
+  if (pipeline_setup_func)
+    pipeline_setup_func (pipeline);
+  cogl_primitive_draw (primitive, test_fb, pipeline);
+  cogl_object_unref (pipeline);
+  cogl_object_unref (primitive);
+
+  /* Verify all of the points where drawn at the right size */
+  for (i = 0; i < N_POINTS; i++)
+    verify_point_size (test_fb,
+                       i * POINT_BOX_SIZE + POINT_BOX_SIZE / 2, /* x */
+                       POINT_BOX_SIZE / 2, /* y */
+                       MAX_POINT_SIZE - i /* point size */);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
+void
+test_point_size_attribute (void)
+{
+  do_test ("cogl_point_size_in", NULL);
+}
+
+static void
+setup_snippet (CoglPipeline *pipeline)
+{
+  CoglSnippet *snippet;
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_POINT_SIZE,
+                              "attribute float "
+                              "my_super_duper_point_size_attrib;\n",
+                              NULL);
+  cogl_snippet_set_replace (snippet,
+                            "cogl_point_size_out = "
+                            "my_super_duper_point_size_attrib;\n");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+}
+
+void
+test_point_size_attribute_snippet (void)
+{
+  do_test ("my_super_duper_point_size_attrib", setup_snippet);
+}
diff --git a/tests/conform/test-point-size.c b/tests/conform/test-point-size.c
new file mode 100644
index 0000000..3c3af0f
--- /dev/null
+++ b/tests/conform/test-point-size.c
@@ -0,0 +1,99 @@
+#include 
+
+#include "test-utils.h"
+
+/* This test assumes the GL driver supports point sizes up to 16
+   pixels. Cogl should probably have some way of querying the size so
+   we start from that instead */
+#define MAX_POINT_SIZE 16
+/* The size of the area that we'll paint each point in */
+#define POINT_BOX_SIZE (MAX_POINT_SIZE * 2)
+
+static int
+calc_coord_offset (int pos, int pos_index, int point_size)
+{
+  switch (pos_index)
+    {
+    case 0: return pos - point_size / 2 - 2;
+    case 1: return pos - point_size / 2 + 2;
+    case 2: return pos + point_size / 2 - 2;
+    case 3: return pos + point_size / 2 + 2;
+    }
+
+  g_assert_not_reached ();
+}
+
+static void
+verify_point_size (CoglFramebuffer *test_fb,
+                   int x_pos,
+                   int y_pos,
+                   int point_size)
+{
+  int y, x;
+
+  for (y = 0; y < 4; y++)
+    for (x = 0; x < 4; x++)
+      {
+        CoglBool in_point = x >= 1 && x <= 2 && y >= 1 && y <= 2;
+        uint32_t expected_pixel = in_point ? 0x00ff00ff : 0xff0000ff;
+
+        test_utils_check_pixel (test_fb,
+                                calc_coord_offset (x_pos, x, point_size),
+                                calc_coord_offset (y_pos, y, point_size),
+                                expected_pixel);
+      }
+}
+
+void
+test_point_size (void)
+{
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+  int point_size;
+  int x_pos;
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0, /* x_1, y_1 */
+                                 fb_width, /* x_2 */
+                                 fb_height /* y_2 */,
+                                 -1, 100 /* near/far */);
+
+  cogl_framebuffer_clear4f (test_fb,
+                            COGL_BUFFER_BIT_COLOR,
+                            1.0f, 0.0f, 0.0f, 1.0f);
+
+  /* Try a rendering a single point with a few different point
+     sizes */
+  for (x_pos = 0, point_size = MAX_POINT_SIZE;
+       point_size >= 4;
+       x_pos += POINT_BOX_SIZE, point_size /= 2)
+    {
+      CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+      CoglVertexP2 point = { x_pos + POINT_BOX_SIZE / 2,
+                             POINT_BOX_SIZE / 2 };
+      CoglPrimitive *prim =
+        cogl_primitive_new_p2 (test_ctx,
+                               COGL_VERTICES_MODE_POINTS,
+                               1, /* n_vertices */
+                               &point);
+
+      cogl_pipeline_set_point_size (pipeline, point_size);
+      cogl_pipeline_set_color4ub (pipeline, 0, 255, 0, 255);
+      cogl_primitive_draw (prim, test_fb, pipeline);
+
+      cogl_object_unref (prim);
+      cogl_object_unref (pipeline);
+    }
+
+  /* Verify all of the points where drawn at the right size */
+  for (x_pos = 0, point_size = MAX_POINT_SIZE;
+       point_size >= 4;
+       x_pos += POINT_BOX_SIZE, point_size /= 2)
+    verify_point_size (test_fb,
+                       x_pos + POINT_BOX_SIZE / 2,
+                       POINT_BOX_SIZE / 2,
+                       point_size);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-point-sprite.c b/tests/conform/test-point-sprite.c
new file mode 100644
index 0000000..eb80cfb
--- /dev/null
+++ b/tests/conform/test-point-sprite.c
@@ -0,0 +1,194 @@
+#include 
+
+#include "test-utils.h"
+
+#define POINT_SIZE 8
+
+static const CoglVertexP2T2
+point =
+  {
+    POINT_SIZE, POINT_SIZE,
+    0.0f, 0.0f
+  };
+
+static const uint8_t
+tex_data[3 * 2 * 2] =
+  {
+    0x00, 0x00, 0xff, 0x00, 0xff, 0x00,
+    0x00, 0xff, 0xff, 0xff, 0x00, 0x00
+  };
+
+static void
+do_test (CoglBool check_orientation,
+         CoglBool use_glsl)
+{
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+  CoglPrimitive *prim;
+  CoglError *error = NULL;
+  CoglTexture2D *tex_2d;
+  CoglPipeline *pipeline, *solid_pipeline;
+  int tex_height;
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0, /* x_1, y_1 */
+                                 fb_width, /* x_2 */
+                                 fb_height /* y_2 */,
+                                 -1, 100 /* near/far */);
+
+  cogl_framebuffer_clear4f (test_fb,
+                            COGL_BUFFER_BIT_COLOR,
+                            1.0f, 1.0f, 1.0f, 1.0f);
+
+  /* If we're not checking the orientation of the point sprite then
+   * we'll set the height of the texture to 1 so that the vertical
+   * orientation does not matter */
+  if (check_orientation)
+    tex_height = 2;
+  else
+    tex_height = 1;
+
+  tex_2d = cogl_texture_2d_new_from_data (test_ctx,
+                                          2, tex_height, /* width/height */
+                                          COGL_PIXEL_FORMAT_RGB_888,
+                                          6, /* row stride */
+                                          tex_data,
+                                          &error);
+  g_assert (tex_2d != NULL);
+  g_assert (error == NULL);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex_2d);
+
+  cogl_pipeline_set_layer_filters (pipeline,
+                                   0, /* layer_index */
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+  cogl_pipeline_set_point_size (pipeline, POINT_SIZE);
+
+  /* If we're using GLSL then we don't need to enable point sprite
+   * coords and we can just directly reference cogl_point_coord in the
+   * snippet */
+  if (use_glsl)
+    {
+      CoglSnippet *snippet =
+        cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP,
+                          NULL, /* declarations */
+                          NULL /* post */);
+      static const char source[] =
+        "  cogl_texel = texture2D (cogl_sampler, cogl_point_coord);\n";
+
+      cogl_snippet_set_replace (snippet, source);
+
+      /* Keep a reference to the original pipeline because there is no
+       * way to remove a snippet in order to recreate the solid
+       * pipeline */
+      solid_pipeline = cogl_pipeline_copy (pipeline);
+
+      cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
+
+      cogl_object_unref (snippet);
+    }
+  else
+    {
+      CoglBool res =
+        cogl_pipeline_set_layer_point_sprite_coords_enabled (pipeline,
+                                                             /* layer_index */
+                                                             0,
+                                                             /* enable */
+                                                             TRUE,
+                                                             &error);
+      g_assert (res == TRUE);
+      g_assert (error == NULL);
+
+      solid_pipeline = cogl_pipeline_copy (pipeline);
+
+      res =
+        cogl_pipeline_set_layer_point_sprite_coords_enabled (solid_pipeline,
+                                                             /* layer_index */
+                                                             0,
+                                                             /* enable */
+                                                             FALSE,
+                                                             &error);
+
+      g_assert (res == TRUE);
+      g_assert (error == NULL);
+    }
+
+  prim = cogl_primitive_new_p2t2 (test_ctx,
+                                  COGL_VERTICES_MODE_POINTS,
+                                  1, /* n_vertices */
+                                  &point);
+
+  cogl_primitive_draw (prim, test_fb, pipeline);
+
+  /* Render the primitive again without point sprites to make sure
+     disabling it works */
+
+  cogl_framebuffer_push_matrix (test_fb);
+  cogl_framebuffer_translate (test_fb,
+                              POINT_SIZE * 2, /* x */
+                              0.0f, /* y */
+                              0.0f /* z */);
+  cogl_primitive_draw (prim, test_fb, solid_pipeline);
+  cogl_framebuffer_pop_matrix (test_fb);
+
+  cogl_object_unref (prim);
+  cogl_object_unref (solid_pipeline);
+  cogl_object_unref (pipeline);
+  cogl_object_unref (tex_2d);
+
+  test_utils_check_pixel (test_fb,
+                          POINT_SIZE - POINT_SIZE / 4,
+                          POINT_SIZE - POINT_SIZE / 4,
+                          0x0000ffff);
+  test_utils_check_pixel (test_fb,
+                          POINT_SIZE + POINT_SIZE / 4,
+                          POINT_SIZE - POINT_SIZE / 4,
+                          0x00ff00ff);
+  test_utils_check_pixel (test_fb,
+                          POINT_SIZE - POINT_SIZE / 4,
+                          POINT_SIZE + POINT_SIZE / 4,
+                          check_orientation ?
+                          0x00ffffff :
+                          0x0000ffff);
+  test_utils_check_pixel (test_fb,
+                          POINT_SIZE + POINT_SIZE / 4,
+                          POINT_SIZE + POINT_SIZE / 4,
+                          check_orientation ?
+                          0xff0000ff :
+                          0x00ff00ff);
+
+  /* When rendering without the point sprites all of the texture
+     coordinates should be 0,0 so it should get the top-left texel
+     which is blue */
+  test_utils_check_region (test_fb,
+                           POINT_SIZE * 3 - POINT_SIZE / 2 + 1,
+                           POINT_SIZE - POINT_SIZE / 2 + 1,
+                           POINT_SIZE - 2, POINT_SIZE - 2,
+                           0x0000ffff);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
+void
+test_point_sprite (void)
+{
+  do_test (FALSE /* don't check orientation */,
+           FALSE /* don't use GLSL */);
+}
+
+void
+test_point_sprite_orientation (void)
+{
+  do_test (TRUE /* check orientation */,
+           FALSE /* don't use GLSL */);
+}
+
+void
+test_point_sprite_glsl (void)
+{
+  do_test (FALSE /* don't check orientation */,
+           TRUE /* use GLSL */);
+}
diff --git a/tests/conform/test-premult.c b/tests/conform/test-premult.c
new file mode 100644
index 0000000..fa60bdf
--- /dev/null
+++ b/tests/conform/test-premult.c
@@ -0,0 +1,301 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+#define QUAD_WIDTH 32
+
+#define RED 0
+#define GREEN 1
+#define BLUE 2
+#define ALPHA 3
+
+#define MASK_RED(COLOR)   ((COLOR & 0xff000000) >> 24)
+#define MASK_GREEN(COLOR) ((COLOR & 0xff0000) >> 16)
+#define MASK_BLUE(COLOR)  ((COLOR & 0xff00) >> 8)
+#define MASK_ALPHA(COLOR) (COLOR & 0xff)
+
+typedef enum _MakeTextureFlags
+{
+  TEXTURE_FLAG_SET_PREMULTIPLIED = 1,
+  TEXTURE_FLAG_SET_UNPREMULTIPLIED = 1<<1,
+} MakeTextureFlags;
+
+static guchar *
+gen_tex_data (uint32_t color)
+{
+  guchar *tex_data, *p;
+  uint8_t r = MASK_RED (color);
+  uint8_t g = MASK_GREEN (color);
+  uint8_t b = MASK_BLUE (color);
+  uint8_t a = MASK_ALPHA (color);
+
+  tex_data = g_malloc (QUAD_WIDTH * QUAD_WIDTH * 4);
+
+  for (p = tex_data + QUAD_WIDTH * QUAD_WIDTH * 4; p > tex_data;)
+    {
+      *(--p) = a;
+      *(--p) = b;
+      *(--p) = g;
+      *(--p) = r;
+    }
+
+  return tex_data;
+}
+
+static CoglTexture *
+make_texture (uint32_t color,
+	      CoglPixelFormat src_format,
+              MakeTextureFlags flags)
+{
+  CoglTexture2D *tex_2d;
+  guchar *tex_data = gen_tex_data (color);
+  CoglBitmap *bmp = cogl_bitmap_new_for_data (test_ctx,
+                                              QUAD_WIDTH,
+                                              QUAD_WIDTH,
+                                              src_format,
+                                              QUAD_WIDTH * 4,
+                                              tex_data);
+
+  tex_2d = cogl_texture_2d_new_from_bitmap (bmp);
+
+  if (flags & TEXTURE_FLAG_SET_PREMULTIPLIED)
+    cogl_texture_set_premultiplied (tex_2d, TRUE);
+  else if (flags & TEXTURE_FLAG_SET_UNPREMULTIPLIED)
+    cogl_texture_set_premultiplied (tex_2d, FALSE);
+
+  cogl_object_unref (bmp);
+  g_free (tex_data);
+
+  return tex_2d;
+}
+
+static void
+set_region (CoglTexture *tex,
+	    uint32_t color,
+	    CoglPixelFormat format)
+{
+  guchar *tex_data = gen_tex_data (color);
+
+  cogl_texture_set_region (tex,
+                           0, 0, /* src x, y */
+                           0, 0, /* dst x, y */
+                           QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
+                           QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
+                           format,
+                           0, /* auto compute row stride */
+                           tex_data);
+}
+
+static void
+check_texture (CoglPipeline *pipeline,
+	       CoglHandle material,
+	       int x,
+	       int y,
+	       CoglTexture *tex,
+	       uint32_t expected_result)
+{
+  /* Legacy */
+  cogl_push_framebuffer (test_fb);
+  cogl_material_set_layer (material, 0, tex);
+  cogl_set_source (material);
+  cogl_rectangle (x * QUAD_WIDTH,
+		  y * QUAD_WIDTH,
+		  x * QUAD_WIDTH + QUAD_WIDTH,
+		  y * QUAD_WIDTH + QUAD_WIDTH);
+  test_utils_check_pixel (test_fb, x * QUAD_WIDTH + QUAD_WIDTH / 2, y * QUAD_WIDTH + QUAD_WIDTH / 2, expected_result);
+  cogl_pop_framebuffer ();
+
+  /* New API */
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex);
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline,
+				   x * QUAD_WIDTH,
+				   y * QUAD_WIDTH,
+				   x * QUAD_WIDTH + QUAD_WIDTH,
+				   y * QUAD_WIDTH + QUAD_WIDTH);
+  test_utils_check_pixel (test_fb, x * QUAD_WIDTH + QUAD_WIDTH / 2, y * QUAD_WIDTH + QUAD_WIDTH / 2, expected_result);
+}
+
+void
+test_premult (void)
+{
+  CoglPipeline *pipeline;
+  CoglHandle material;
+  CoglTexture *tex;
+
+  cogl_framebuffer_orthographic (test_fb, 0, 0,
+				 cogl_framebuffer_get_width (test_fb),
+				 cogl_framebuffer_get_height (test_fb),
+				 -1,
+				 100);
+
+  cogl_framebuffer_clear4f (test_fb,
+                            COGL_BUFFER_BIT_COLOR,
+                            1.0f, 1.0f, 1.0f, 1.0f);
+
+  /* Legacy */
+  material = cogl_material_new ();
+  cogl_material_set_blend (material,
+                           "RGBA = ADD (SRC_COLOR, 0)", NULL);
+  cogl_material_set_layer_combine (material, 0,
+                                   "RGBA = REPLACE (TEXTURE)", NULL);
+
+  /* New API */
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_blend (pipeline,
+                           "RGBA = ADD (SRC_COLOR, 0)", NULL);
+  cogl_pipeline_set_layer_combine (pipeline, 0,
+                                   "RGBA = REPLACE (TEXTURE)", NULL);
+
+  /* If the user explicitly specifies an unmultiplied internal format then
+   * Cogl shouldn't automatically premultiply the given texture data... */
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0xff00ff80, "
+                            "src = RGBA_8888, internal = RGBA_8888)\n");
+  tex = make_texture (0xff00ff80,
+                      COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
+                      TEXTURE_FLAG_SET_UNPREMULTIPLIED);
+  check_texture (pipeline, material, 0, 0, /* position */
+		 tex,
+		 0xff00ff80); /* expected */
+
+  /* If the user explicitly requests a premultiplied internal format and
+   * gives unmultiplied src data then Cogl should always premultiply that
+   * for us */
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0xff00ff80, "
+                            "src = RGBA_8888, internal = RGBA_8888_PRE)\n");
+  tex = make_texture (0xff00ff80,
+                      COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
+                      TEXTURE_FLAG_SET_PREMULTIPLIED);
+  check_texture (pipeline, material, 1, 0, /* position */
+		 tex,
+		 0x80008080); /* expected */
+
+  /* If the user doesn't explicitly declare that the texture is premultiplied
+   * then Cogl should assume it is by default should premultiply
+   * unpremultiplied texture data...
+   */
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0xff00ff80, "
+                            "src = RGBA_8888, internal = ANY)\n");
+  tex = make_texture (0xff00ff80,
+                      COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
+                      0); /* default premultiplied status */
+  check_texture (pipeline, material, 2, 0, /* position */
+		 tex,
+		 0x80008080); /* expected */
+
+  /* If the user requests a premultiplied internal texture format and supplies
+   * premultiplied source data, Cogl should never modify that source data...
+   */
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0x80008080, "
+                            "src = RGBA_8888_PRE, "
+                            "internal = RGBA_8888_PRE)\n");
+  tex = make_texture (0x80008080,
+                      COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
+                      TEXTURE_FLAG_SET_PREMULTIPLIED);
+  check_texture (pipeline, material, 3, 0, /* position */
+		 tex,
+		 0x80008080); /* expected */
+
+  /* If the user requests an unmultiplied internal texture format, but
+   * supplies premultiplied source data, then Cogl should always
+   * un-premultiply the source data... */
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0x80008080, "
+                            "src = RGBA_8888_PRE, internal = RGBA_8888)\n");
+  tex = make_texture (0x80008080,
+                      COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
+                      TEXTURE_FLAG_SET_UNPREMULTIPLIED);
+  check_texture (pipeline, material, 4, 0, /* position */
+		 tex,
+		 0xff00ff80); /* expected */
+
+  /* If the user allows any internal texture format and provides premultipled
+   * source data then by default Cogl shouldn't modify the source data...
+   * (In the future there will be additional Cogl API to control this
+   *  behaviour) */
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0x80008080, "
+                            "src = RGBA_8888_PRE, internal = ANY)\n");
+  tex = make_texture (0x80008080,
+                      COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
+                      0); /* default premultiplied status */
+  check_texture (pipeline, material, 5, 0, /* position */
+		 tex,
+		 0x80008080); /* expected */
+
+  /*
+   * Test cogl_texture_set_region() ....
+   */
+
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0xDEADBEEF, "
+                            "src = RGBA_8888, internal = RGBA_8888)\n");
+  tex = make_texture (0xDEADBEEF,
+                      COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
+                      TEXTURE_FLAG_SET_UNPREMULTIPLIED);
+  if (cogl_test_verbose ())
+    g_print ("set_region (0xff00ff80, RGBA_8888)\n");
+  set_region (tex, 0xff00ff80, COGL_PIXEL_FORMAT_RGBA_8888);
+  check_texture (pipeline, material, 6, 0, /* position */
+		 tex,
+		 0xff00ff80); /* expected */
+
+  /* Updating a texture region for an unmultiplied texture using premultiplied
+   * region data should result in Cogl unmultiplying the given region data...
+   */
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0xDEADBEEF, "
+                            "src = RGBA_8888, internal = RGBA_8888)\n");
+  tex = make_texture (0xDEADBEEF,
+                      COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
+                      TEXTURE_FLAG_SET_UNPREMULTIPLIED);
+  if (cogl_test_verbose ())
+    g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
+  set_region (tex, 0x80008080, COGL_PIXEL_FORMAT_RGBA_8888_PRE);
+  check_texture (pipeline, material, 7, 0, /* position */
+		 tex,
+		 0xff00ff80); /* expected */
+
+
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0xDEADBEEF, "
+                            "src = RGBA_8888_PRE, "
+                            "internal = RGBA_8888_PRE)\n");
+  tex = make_texture (0xDEADBEEF,
+                      COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
+                      TEXTURE_FLAG_SET_PREMULTIPLIED);
+  if (cogl_test_verbose ())
+    g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
+  set_region (tex, 0x80008080, COGL_PIXEL_FORMAT_RGBA_8888_PRE);
+  check_texture (pipeline, material, 8, 0, /* position */
+		 tex,
+		 0x80008080); /* expected */
+
+
+  /* Updating a texture region for a premultiplied texture using unmultiplied
+   * region data should result in Cogl premultiplying the given region data...
+   */
+  if (cogl_test_verbose ())
+    g_print ("make_texture (0xDEADBEEF, "
+                            "src = RGBA_8888_PRE, "
+                            "internal = RGBA_8888_PRE)\n");
+  tex = make_texture (0xDEADBEEF,
+                      COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
+                      TEXTURE_FLAG_SET_PREMULTIPLIED);
+  if (cogl_test_verbose ())
+    g_print ("set_region (0xff00ff80, RGBA_8888)\n");
+  set_region (tex, 0xff00ff80, COGL_PIXEL_FORMAT_RGBA_8888);
+  check_texture (pipeline, material, 9, 0, /* position */
+		 tex,
+		 0x80008080); /* expected */
+
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-primitive-and-journal.c b/tests/conform/test-primitive-and-journal.c
new file mode 100644
index 0000000..f978cd5
--- /dev/null
+++ b/tests/conform/test-primitive-and-journal.c
@@ -0,0 +1,122 @@
+#include 
+
+#include "test-utils.h"
+
+typedef CoglVertexP2C4 Vertex;
+
+static void
+setup_orthographic_modelview (void)
+{
+  CoglMatrix matrix;
+  int fb_width = cogl_framebuffer_get_width (test_fb);
+  int fb_height = cogl_framebuffer_get_height (test_fb);
+
+  /* Set up a non-identity modelview matrix. When the journal is
+   * flushed it will usually flush the identity matrix. Using the
+   * non-default matrix ensures that we test that Cogl restores the
+   * matrix we asked for. The matrix sets up an orthographic transform
+   * in the modelview matrix */
+
+  cogl_matrix_init_identity (&matrix);
+  cogl_matrix_orthographic (&matrix,
+                            0.0f, 0.0f, /* x_1 y_1 */
+                            fb_width,
+                            fb_height,
+                            -1.0f, /* nearval */
+                            1.0f /* farval */);
+  cogl_framebuffer_set_modelview_matrix (test_fb, &matrix);
+}
+
+static void
+create_primitives (CoglPrimitive *primitives[2])
+{
+  static const Vertex vertex_data[8] =
+    {
+      /* triangle strip 1 */
+      {   0,   0, 255, 0, 0, 255 },
+      {   0, 100, 255, 0, 0, 255 },
+      { 100,   0, 255, 0, 0, 255 },
+      { 100, 100, 255, 0, 0, 255 },
+      /* triangle strip 2 */
+      { 200,   0, 0, 0, 255, 255 },
+      { 200, 100, 0, 0, 255, 255 },
+      { 300,   0, 0, 0, 255, 255 },
+      { 300, 100, 0, 0, 255, 255 },
+    };
+
+  primitives[0] = cogl_primitive_new_p2c4 (test_ctx,
+                                           COGL_VERTICES_MODE_TRIANGLE_STRIP,
+                                           G_N_ELEMENTS (vertex_data),
+                                           vertex_data);
+  cogl_primitive_set_n_vertices (primitives[0], 4);
+
+  primitives[1] = cogl_primitive_copy (primitives[0]);
+  cogl_primitive_set_first_vertex (primitives[1], 4);
+  cogl_primitive_set_n_vertices (primitives[1], 4);
+}
+
+static CoglPipeline *
+create_pipeline (void)
+{
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_color4ub (pipeline, 0, 255, 0, 255);
+
+  return pipeline;
+}
+
+void
+test_primitive_and_journal (void)
+{
+  CoglPrimitive *primitives[2];
+  CoglPipeline *pipeline;
+
+  setup_orthographic_modelview ();
+  create_primitives (primitives);
+  pipeline = create_pipeline ();
+
+  /* Set a clip to clip all three rectangles to just the bottom half.
+   * The journal flushes its own clip state so this verifies that the
+   * clip state is correctly restored for the second primitive. */
+  cogl_framebuffer_push_rectangle_clip (test_fb,
+                                        0, 50, 300, 100);
+
+  cogl_primitive_draw (primitives[0], test_fb, pipeline);
+
+  /* Draw a rectangle using the journal in-between the two primitives.
+   * This should test that the journal gets flushed correctly and that
+   * the modelview matrix is restored. Half of the rectangle should be
+   * overriden by the second primitive */
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   100, 0, /* x1/y1 */
+                                   300, 100 /* x2/y2 */);
+
+  cogl_primitive_draw (primitives[1], test_fb, pipeline);
+
+  /* Check the three rectangles */
+  test_utils_check_region (test_fb,
+                           1, 51,
+                           98, 48,
+                           0xff0000ff);
+  test_utils_check_region (test_fb,
+                           101, 51,
+                           98, 48,
+                           0x00ff00ff);
+  test_utils_check_region (test_fb,
+                           201, 51,
+                           98, 48,
+                           0x0000ffff);
+
+  /* Check that the top half of all of the rectangles was clipped */
+  test_utils_check_region (test_fb,
+                           1, 1,
+                           298, 48,
+                           0x000000ff);
+
+  cogl_framebuffer_pop_clip (test_fb);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-primitive.c b/tests/conform/test-primitive.c
new file mode 100644
index 0000000..db264fc
--- /dev/null
+++ b/tests/conform/test-primitive.c
@@ -0,0 +1,334 @@
+#include 
+#include 
+#include 
+
+#include "test-utils.h"
+
+typedef struct _TestState
+{
+  int fb_width;
+  int fb_height;
+} TestState;
+
+#define PRIM_COLOR 0xff00ffff
+#define TEX_COLOR 0x0000ffff
+
+#define N_ATTRIBS 8
+
+typedef CoglPrimitive * (* TestPrimFunc) (CoglContext *ctx, uint32_t *expected_color);
+
+static CoglPrimitive *
+test_prim_p2 (CoglContext *ctx, uint32_t *expected_color)
+{
+  static const CoglVertexP2 verts[] =
+    { { 0, 0 }, { 0, 10 }, { 10, 0 } };
+
+  return cogl_primitive_new_p2 (test_ctx,
+                                COGL_VERTICES_MODE_TRIANGLES,
+                                3, /* n_vertices */
+                                verts);
+}
+
+static CoglPrimitive *
+test_prim_p3 (CoglContext *ctx, uint32_t *expected_color)
+{
+  static const CoglVertexP3 verts[] =
+    { { 0, 0, 0 }, { 0, 10, 0 }, { 10, 0, 0 } };
+
+  return cogl_primitive_new_p3 (test_ctx,
+                                COGL_VERTICES_MODE_TRIANGLES,
+                                3, /* n_vertices */
+                                verts);
+}
+
+static CoglPrimitive *
+test_prim_p2c4 (CoglContext *ctx, uint32_t *expected_color)
+{
+  static const CoglVertexP2C4 verts[] =
+    { { 0, 0, 255, 255, 0, 255 },
+      { 0, 10, 255, 255, 0, 255 },
+      { 10, 0, 255, 255, 0, 255 } };
+
+  *expected_color = 0xffff00ff;
+
+  return cogl_primitive_new_p2c4 (test_ctx,
+                                  COGL_VERTICES_MODE_TRIANGLES,
+                                  3, /* n_vertices */
+                                  verts);
+}
+
+static CoglPrimitive *
+test_prim_p3c4 (CoglContext *ctx, uint32_t *expected_color)
+{
+  static const CoglVertexP3C4 verts[] =
+    { { 0, 0, 0, 255, 255, 0, 255 },
+      { 0, 10, 0, 255, 255, 0, 255 },
+      { 10, 0, 0, 255, 255, 0, 255 } };
+
+  *expected_color = 0xffff00ff;
+
+  return cogl_primitive_new_p3c4 (test_ctx,
+                                  COGL_VERTICES_MODE_TRIANGLES,
+                                  3, /* n_vertices */
+                                  verts);
+}
+
+static CoglPrimitive *
+test_prim_p2t2 (CoglContext *ctx, uint32_t *expected_color)
+{
+  static const CoglVertexP2T2 verts[] =
+    { { 0, 0, 1, 0 },
+      { 0, 10, 1, 0 },
+      { 10, 0, 1, 0 } };
+
+  *expected_color = TEX_COLOR;
+
+  return cogl_primitive_new_p2t2 (test_ctx,
+                                  COGL_VERTICES_MODE_TRIANGLES,
+                                  3, /* n_vertices */
+                                  verts);
+}
+
+static CoglPrimitive *
+test_prim_p3t2 (CoglContext *ctx, uint32_t *expected_color)
+{
+  static const CoglVertexP3T2 verts[] =
+    { { 0, 0, 0, 1, 0 },
+      { 0, 10, 0, 1, 0 },
+      { 10, 0, 0, 1, 0 } };
+
+  *expected_color = TEX_COLOR;
+
+  return cogl_primitive_new_p3t2 (test_ctx,
+                                  COGL_VERTICES_MODE_TRIANGLES,
+                                  3, /* n_vertices */
+                                  verts);
+}
+
+static CoglPrimitive *
+test_prim_p2t2c4 (CoglContext *ctx, uint32_t *expected_color)
+{
+  static const CoglVertexP2T2C4 verts[] =
+    { { 0, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff },
+      { 0, 10, 1, 0, 0xff, 0xff, 0xf0, 0xff },
+      { 10, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff } };
+
+  /* The blue component of the texture color should be replaced with 0xf0 */
+  *expected_color = (TEX_COLOR & 0xffff00ff) | 0x0000f000;
+
+  return cogl_primitive_new_p2t2c4 (test_ctx,
+                                    COGL_VERTICES_MODE_TRIANGLES,
+                                    3, /* n_vertices */
+                                    verts);
+}
+
+static CoglPrimitive *
+test_prim_p3t2c4 (CoglContext *ctx, uint32_t *expected_color)
+{
+  static const CoglVertexP3T2C4 verts[] =
+    { { 0, 0, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff },
+      { 0, 10, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff },
+      { 10, 0, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff } };
+
+  /* The blue component of the texture color should be replaced with 0xf0 */
+  *expected_color = (TEX_COLOR & 0xffff00ff) | 0x0000f000;
+
+  return cogl_primitive_new_p3t2c4 (test_ctx,
+                                    COGL_VERTICES_MODE_TRIANGLES,
+                                    3, /* n_vertices */
+                                    verts);
+}
+
+static const TestPrimFunc
+test_prim_funcs[] =
+  {
+    test_prim_p2,
+    test_prim_p3,
+    test_prim_p2c4,
+    test_prim_p3c4,
+    test_prim_p2t2,
+    test_prim_p3t2,
+    test_prim_p2t2c4,
+    test_prim_p3t2c4
+  };
+
+static void
+test_paint (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglTexture *tex;
+  uint8_t tex_data[6];
+  int i;
+
+  /* Create a two pixel texture. The first pixel is white and the
+     second pixel is tex_color. The assumption is that if no texture
+     coordinates are specified then it will default to 0,0 and get
+     white */
+  tex_data[0] = 255;
+  tex_data[1] = 255;
+  tex_data[2] = 255;
+  tex_data[3] = (TEX_COLOR >> 24) & 0xff;
+  tex_data[4] = (TEX_COLOR >> 16) & 0xff;
+  tex_data[5] = (TEX_COLOR >> 8) & 0xff;
+  tex = test_utils_texture_new_from_data (test_ctx,
+                                          2, 1, /* size */
+                                          TEST_UTILS_TEXTURE_NO_ATLAS,
+                                          COGL_PIXEL_FORMAT_RGB_888,
+                                          6, /* rowstride */
+                                          tex_data);
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_color4ub (pipeline,
+                              (PRIM_COLOR >> 24) & 0xff,
+                              (PRIM_COLOR >> 16) & 0xff,
+                              (PRIM_COLOR >> 8) & 0xff,
+                              (PRIM_COLOR >> 0) & 0xff);
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex);
+  cogl_object_unref (tex);
+
+  for (i = 0; i < G_N_ELEMENTS (test_prim_funcs); i++)
+    {
+      CoglPrimitive *prim;
+      uint32_t expected_color = PRIM_COLOR;
+
+      prim = test_prim_funcs[i] (test_ctx, &expected_color);
+
+      cogl_framebuffer_push_matrix (test_fb);
+      cogl_framebuffer_translate (test_fb, i * 10, 0, 0);
+      cogl_primitive_draw (prim, test_fb, pipeline);
+      cogl_framebuffer_pop_matrix (test_fb);
+
+      test_utils_check_pixel (test_fb, i * 10 + 2, 2, expected_color);
+
+      cogl_object_unref (prim);
+    }
+
+  cogl_object_unref (pipeline);
+}
+
+static CoglBool
+get_attributes_cb (CoglPrimitive *prim,
+                   CoglAttribute *attrib,
+                   void *user_data)
+{
+  CoglAttribute ***p = user_data;
+  *((* p)++) = attrib;
+  return TRUE;
+}
+
+static int
+compare_pointers (const void *a, const void *b)
+{
+  CoglAttribute *pa = *(CoglAttribute **) a;
+  CoglAttribute *pb = *(CoglAttribute **) b;
+
+  if (pa < pb)
+    return -1;
+  else if (pa > pb)
+    return 1;
+  else
+    return 0;
+}
+
+static void
+test_copy (TestState *state)
+{
+  static const uint16_t indices_data[2] = { 1, 2 };
+  CoglAttributeBuffer *buffer =
+    cogl_attribute_buffer_new (test_ctx, 100, NULL);
+  CoglAttribute *attributes[N_ATTRIBS];
+  CoglAttribute *attributes_a[N_ATTRIBS], *attributes_b[N_ATTRIBS];
+  CoglAttribute **p;
+  CoglPrimitive *prim_a, *prim_b;
+  CoglIndices *indices;
+  int i;
+
+  for (i = 0; i < N_ATTRIBS; i++)
+    {
+      char *name = g_strdup_printf ("foo_%i", i);
+      attributes[i] = cogl_attribute_new (buffer,
+                                          name,
+                                          16, /* stride */
+                                          16, /* offset */
+                                          2, /* components */
+                                          COGL_ATTRIBUTE_TYPE_FLOAT);
+      g_free (name);
+    }
+
+  prim_a = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES,
+                                               8, /* n_vertices */
+                                               attributes,
+                                               N_ATTRIBS);
+
+  indices = cogl_indices_new (test_ctx,
+                              COGL_INDICES_TYPE_UNSIGNED_SHORT,
+                              indices_data,
+                              2 /* n_indices */);
+
+  cogl_primitive_set_first_vertex (prim_a, 12);
+  cogl_primitive_set_indices (prim_a, indices, 2);
+
+  prim_b = cogl_primitive_copy (prim_a);
+
+  p = attributes_a;
+  cogl_primitive_foreach_attribute (prim_a,
+                                    get_attributes_cb,
+                                    &p);
+  g_assert_cmpint (p - attributes_a, ==, N_ATTRIBS);
+
+  p = attributes_b;
+  cogl_primitive_foreach_attribute (prim_b,
+                                    get_attributes_cb,
+                                    &p);
+  g_assert_cmpint (p - attributes_b, ==, N_ATTRIBS);
+
+  qsort (attributes_a, N_ATTRIBS, sizeof (CoglAttribute *), compare_pointers);
+  qsort (attributes_b, N_ATTRIBS, sizeof (CoglAttribute *), compare_pointers);
+
+  g_assert (memcmp (attributes_a, attributes_b, sizeof (attributes_a)) == 0);
+
+  g_assert_cmpint (cogl_primitive_get_first_vertex (prim_a),
+                   ==,
+                   cogl_primitive_get_first_vertex (prim_b));
+
+  g_assert_cmpint (cogl_primitive_get_n_vertices (prim_a),
+                   ==,
+                   cogl_primitive_get_n_vertices (prim_b));
+
+  g_assert_cmpint (cogl_primitive_get_mode (prim_a),
+                   ==,
+                   cogl_primitive_get_mode (prim_b));
+
+  g_assert (cogl_primitive_get_indices (prim_a) ==
+            cogl_primitive_get_indices (prim_b));
+
+  cogl_object_unref (prim_a);
+  cogl_object_unref (prim_b);
+  cogl_object_unref (indices);
+
+  for (i = 0; i < N_ATTRIBS; i++)
+    cogl_object_unref (attributes[i]);
+
+  cogl_object_unref (buffer);
+}
+
+void
+test_primitive (void)
+{
+  TestState state;
+
+  state.fb_width = cogl_framebuffer_get_width (test_fb);
+  state.fb_height = cogl_framebuffer_get_height (test_fb);
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 state.fb_width,
+                                 state.fb_height,
+                                 -1,
+                                 100);
+
+  test_paint (&state);
+  test_copy (&state);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-read-texture-formats.c b/tests/conform/test-read-texture-formats.c
new file mode 100644
index 0000000..3fa4d8e
--- /dev/null
+++ b/tests/conform/test-read-texture-formats.c
@@ -0,0 +1,222 @@
+#include 
+#include 
+
+#include "test-utils.h"
+
+/*
+ * This tests reading back an RGBA texture in all of the available
+ * pixel formats
+ */
+
+static const uint8_t tex_data[4] = { 0x12, 0x34, 0x56, 0x78 };
+
+static void
+test_read_byte (CoglTexture2D *tex_2d,
+                CoglPixelFormat format,
+                uint8_t expected_byte)
+{
+  uint8_t received_byte;
+
+  cogl_texture_get_data (tex_2d,
+                         format,
+                         1, /* rowstride */
+                         &received_byte);
+
+  g_assert_cmpint (expected_byte, ==, received_byte);
+}
+
+static void
+test_read_short (CoglTexture2D *tex_2d,
+                 CoglPixelFormat format,
+                 ...)
+{
+  va_list ap;
+  int bits;
+  uint16_t received_value;
+  uint16_t expected_value = 0;
+  char *received_value_str;
+  char *expected_value_str;
+  int bits_sum = 0;
+
+  cogl_texture_get_data (tex_2d,
+                         format,
+                         2, /* rowstride */
+                         (uint8_t *) &received_value);
+
+  va_start (ap, format);
+
+  /* Convert the va args into a single 16-bit expected value */
+  while ((bits = va_arg (ap, int)) != -1)
+    {
+      int value = (va_arg (ap, int) * ((1 << bits) - 1) + 128) / 255;
+
+      bits_sum += bits;
+
+      expected_value |= value << (16 - bits_sum);
+    }
+
+  va_end (ap);
+
+  received_value_str = g_strdup_printf ("0x%04x", received_value);
+  expected_value_str = g_strdup_printf ("0x%04x", expected_value);
+  g_assert_cmpstr (received_value_str, ==, expected_value_str);
+  g_free (received_value_str);
+  g_free (expected_value_str);
+}
+
+static void
+test_read_888 (CoglTexture2D *tex_2d,
+               CoglPixelFormat format,
+               uint32_t expected_pixel)
+{
+  uint8_t pixel[4];
+
+  cogl_texture_get_data (tex_2d,
+                         format,
+                         4, /* rowstride */
+                         pixel);
+
+  test_utils_compare_pixel (pixel, expected_pixel);
+}
+
+static void
+test_read_88 (CoglTexture2D *tex_2d,
+              CoglPixelFormat format,
+              uint32_t expected_pixel)
+{
+  uint8_t pixel[4];
+
+  pixel[2] = 0x00;
+
+  cogl_texture_get_data (tex_2d,
+                         format,
+                         2, /* rowstride */
+                         pixel);
+
+  test_utils_compare_pixel (pixel, expected_pixel);
+}
+
+static void
+test_read_8888 (CoglTexture2D *tex_2d,
+                CoglPixelFormat format,
+                uint32_t expected_pixel)
+{
+  uint32_t received_pixel;
+  char *received_value_str;
+  char *expected_value_str;
+
+  cogl_texture_get_data (tex_2d,
+                         format,
+                         4, /* rowstride */
+                         (uint8_t *) &received_pixel);
+
+  received_pixel = GUINT32_FROM_BE (received_pixel);
+
+  received_value_str = g_strdup_printf ("0x%08x", received_pixel);
+  expected_value_str = g_strdup_printf ("0x%08x", expected_pixel);
+  g_assert_cmpstr (received_value_str, ==, expected_value_str);
+  g_free (received_value_str);
+  g_free (expected_value_str);
+}
+
+static void
+test_read_int (CoglTexture2D *tex_2d,
+               CoglPixelFormat format,
+               ...)
+{
+  va_list ap;
+  int bits;
+  uint32_t received_value;
+  uint32_t expected_value = 0;
+  char *received_value_str;
+  char *expected_value_str;
+  int bits_sum = 0;
+
+  cogl_texture_get_data (tex_2d,
+                         format,
+                         4, /* rowstride */
+                         (uint8_t *) &received_value);
+
+  va_start (ap, format);
+
+  /* Convert the va args into a single 32-bit expected value */
+  while ((bits = va_arg (ap, int)) != -1)
+    {
+      uint32_t value = (va_arg (ap, int) * ((1 << bits) - 1) + 128) / 255;
+
+      bits_sum += bits;
+
+      expected_value |= value << (32 - bits_sum);
+    }
+
+  va_end (ap);
+
+  received_value_str = g_strdup_printf ("0x%08x", received_value);
+  expected_value_str = g_strdup_printf ("0x%08x", expected_value);
+  g_assert_cmpstr (received_value_str, ==, expected_value_str);
+  g_free (received_value_str);
+  g_free (expected_value_str);
+}
+
+void
+test_read_texture_formats (void)
+{
+  CoglTexture2D *tex_2d;
+
+  tex_2d = cogl_texture_2d_new_from_data (test_ctx,
+                                          1, 1, /* width / height */
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          4, /* rowstride */
+                                          tex_data,
+                                          NULL);
+
+  test_read_byte (tex_2d, COGL_PIXEL_FORMAT_A_8, 0x78);
+
+#if 0
+  /* I'm not sure what's the right value to put here because Nvidia
+     and Mesa seem to behave differently so one of them must be
+     wrong. */
+  test_read_byte (tex_2d, COGL_PIXEL_FORMAT_G_8, 0x9c);
+#endif
+
+  /* We should always be able to read into an RG buffer regardless of
+   * whether RG textures are supported because Cogl will do the
+   * conversion for us */
+  test_read_88 (tex_2d, COGL_PIXEL_FORMAT_RG_88, 0x123400ff);
+
+  test_read_short (tex_2d, COGL_PIXEL_FORMAT_RGB_565,
+                   5, 0x12, 6, 0x34, 5, 0x56,
+                   -1);
+  test_read_short (tex_2d, COGL_PIXEL_FORMAT_RGBA_4444_PRE,
+                   4, 0x12, 4, 0x34, 4, 0x56, 4, 0x78,
+                   -1);
+  test_read_short (tex_2d, COGL_PIXEL_FORMAT_RGBA_5551_PRE,
+                   5, 0x12, 5, 0x34, 5, 0x56, 1, 0x78,
+                   -1);
+
+  test_read_888 (tex_2d, COGL_PIXEL_FORMAT_RGB_888, 0x123456ff);
+  test_read_888 (tex_2d, COGL_PIXEL_FORMAT_BGR_888, 0x563412ff);
+
+  test_read_8888 (tex_2d, COGL_PIXEL_FORMAT_RGBA_8888_PRE, 0x12345678);
+  test_read_8888 (tex_2d, COGL_PIXEL_FORMAT_BGRA_8888_PRE, 0x56341278);
+  test_read_8888 (tex_2d, COGL_PIXEL_FORMAT_ARGB_8888_PRE, 0x78123456);
+  test_read_8888 (tex_2d, COGL_PIXEL_FORMAT_ABGR_8888_PRE, 0x78563412);
+
+  test_read_int (tex_2d, COGL_PIXEL_FORMAT_RGBA_1010102_PRE,
+                 10, 0x12, 10, 0x34, 10, 0x56, 2, 0x78,
+                 -1);
+  test_read_int (tex_2d, COGL_PIXEL_FORMAT_BGRA_1010102_PRE,
+                 10, 0x56, 10, 0x34, 10, 0x12, 2, 0x78,
+                 -1);
+  test_read_int (tex_2d, COGL_PIXEL_FORMAT_ARGB_2101010_PRE,
+                 2, 0x78, 10, 0x12, 10, 0x34, 10, 0x56,
+                 -1);
+  test_read_int (tex_2d, COGL_PIXEL_FORMAT_ABGR_2101010_PRE,
+                 2, 0x78, 10, 0x56, 10, 0x34, 10, 0x12,
+                 -1);
+
+  cogl_object_unref (tex_2d);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-snippets.c b/tests/conform/test-snippets.c
new file mode 100644
index 0000000..a251fc1
--- /dev/null
+++ b/tests/conform/test-snippets.c
@@ -0,0 +1,815 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+typedef struct _TestState
+{
+  int fb_width, fb_height;
+} TestState;
+
+typedef void (* SnippetTestFunc) (TestState *state);
+
+static CoglPipeline *
+create_texture_pipeline (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglTexture *tex;
+  static const uint8_t tex_data[] =
+    {
+      0xff, 0x00, 0x00, 0xff, /* red */  0x00, 0xff, 0x00, 0xff, /* green */
+      0x00, 0x00, 0xff, 0xff, /* blue */ 0xff, 0xff, 0x00, 0xff, /* yellow */
+    };
+
+  tex = test_utils_texture_new_from_data (test_ctx,
+                                          2, 2, /* width/height */
+                                          TEST_UTILS_TEXTURE_NO_ATLAS,
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          8, /* rowstride */
+                                          tex_data);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex);
+
+  cogl_pipeline_set_layer_filters (pipeline, 0,
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+
+  cogl_object_unref (tex);
+
+  return pipeline;
+}
+
+static void
+simple_fragment_snippet (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Simple fragment snippet */
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              NULL, /* declarations */
+                              "cogl_color_out.g += 1.0;");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 10, 10);
+
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 5, 5, 0xffff00ff);
+}
+
+static void
+simple_vertex_snippet (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Simple vertex snippet */
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
+                              NULL,
+                              "cogl_color_out.b += 1.0;");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 10, 0, 20, 10);
+
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 15, 5, 0xff00ffff);
+}
+
+static void
+shared_uniform (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+  int location;
+
+  /* Snippets sharing a uniform across the vertex and fragment
+     hooks */
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  location = cogl_pipeline_get_uniform_location (pipeline, "a_value");
+  cogl_pipeline_set_uniform_1f (pipeline, location, 0.25f);
+
+  cogl_pipeline_set_color4ub (pipeline, 255, 0, 0, 255);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
+                              "uniform float a_value;",
+                              "cogl_color_out.b += a_value;");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              "uniform float a_value;",
+                              "cogl_color_out.b += a_value;");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   20, 0, 30, 10);
+
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 25, 5, 0xff0080ff);
+}
+
+static void
+lots_snippets (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+  int location;
+  int i;
+
+  /* Lots of snippets on one pipeline */
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_color4ub (pipeline, 0, 0, 0, 255);
+
+  for (i = 0; i < 3; i++)
+    {
+      char letter = 'x' + i;
+      char *uniform_name = g_strdup_printf ("%c_value", letter);
+      char *declarations = g_strdup_printf ("uniform float %s;\n",
+                                            uniform_name);
+      char *code = g_strdup_printf ("cogl_color_out.%c = %s;\n",
+                                    letter,
+                                    uniform_name);
+
+      location = cogl_pipeline_get_uniform_location (pipeline, uniform_name);
+      cogl_pipeline_set_uniform_1f (pipeline, location, (i + 1) * 0.1f);
+
+      snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                                  declarations,
+                                  code);
+      cogl_pipeline_add_snippet (pipeline, snippet);
+      cogl_object_unref (snippet);
+
+      g_free (code);
+      g_free (uniform_name);
+      g_free (declarations);
+    }
+
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 30, 0, 40, 10);
+
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 35, 5, 0x19334cff);
+}
+
+static void
+shared_variable_pre_post (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Test that the pre string can declare variables used by the post
+     string */
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_color4ub (pipeline, 255, 255, 255, 255);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              NULL, /* declarations */
+                              "cogl_color_out = redvec;");
+  cogl_snippet_set_pre (snippet, "vec4 redvec = vec4 (1.0, 0.0, 0.0, 1.0);");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 40, 0, 50, 10);
+
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 45, 5, 0xff0000ff);
+}
+
+static void
+test_pipeline_caching (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Check that the pipeline caching works when unrelated pipelines
+     share snippets state. It's too hard to actually assert this in
+     the conformance test but at least it should be possible to see by
+     setting COGL_DEBUG=show-source to check whether this shader gets
+     generated twice */
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              "/* This comment should only be seen ONCE\n"
+                              "   when COGL_DEBUG=show-source is TRUE\n"
+                              "   even though it is used in two different\n"
+                              "   unrelated pipelines */",
+                              "cogl_color_out = vec4 (0.0, 1.0, 0.0, 1.0);\n");
+
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 50, 0, 60, 10);
+  cogl_object_unref (pipeline);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 60, 0, 70, 10);
+  cogl_object_unref (pipeline);
+
+  cogl_object_unref (snippet);
+
+  test_utils_check_pixel (test_fb, 55, 5, 0x00ff00ff);
+  test_utils_check_pixel (test_fb, 65, 5, 0x00ff00ff);
+}
+
+static void
+test_replace_string (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Check the replace string */
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, NULL, NULL);
+  cogl_snippet_set_pre (snippet,
+                        "cogl_color_out = vec4 (0.0, 0.5, 0.0, 1.0);");
+  /* Remove the generated output. If the replace string isn't working
+     then the code from the pre string would get overwritten with
+     white */
+  cogl_snippet_set_replace (snippet, "/* do nothing */");
+  cogl_snippet_set_post (snippet,
+                         "cogl_color_out += vec4 (0.5, 0.0, 0.0, 1.0);");
+
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 70, 0, 80, 10);
+  cogl_object_unref (pipeline);
+
+  cogl_object_unref (snippet);
+
+  test_utils_check_pixel (test_fb, 75, 5, 0x808000ff);
+}
+
+static void
+test_texture_lookup_hook (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Check the texture lookup hook */
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP,
+                              NULL,
+                              "cogl_texel.b += 1.0;");
+  /* Flip the texture coordinates around the y axis so that it will
+     get the green texel */
+  cogl_snippet_set_pre (snippet, "cogl_tex_coord.x = 1.0 - cogl_tex_coord.x;");
+
+  pipeline = create_texture_pipeline (state);
+  cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
+  cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                            pipeline,
+                                            80, 0, 90, 10,
+                                            0, 0, 0, 0);
+  cogl_object_unref (pipeline);
+
+  cogl_object_unref (snippet);
+
+  test_utils_check_pixel (test_fb, 85, 5, 0x00ffffff);
+}
+
+static void
+test_multiple_samples (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Check that we can use the passed in sampler in the texture lookup
+     to sample multiple times */
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP,
+                              NULL,
+                              NULL);
+  cogl_snippet_set_replace (snippet,
+                            "cogl_texel = "
+                            "texture2D (cogl_sampler, vec2 (0.25, 0.25)) + "
+                            "texture2D (cogl_sampler, vec2 (0.75, 0.25));");
+
+  pipeline = create_texture_pipeline (state);
+  cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 10, 10);
+  cogl_object_unref (pipeline);
+
+  cogl_object_unref (snippet);
+
+  test_utils_check_pixel (test_fb, 5, 5, 0xffff00ff);
+}
+
+static void
+test_replace_lookup_hook (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Check replacing the texture lookup hook */
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP, NULL, NULL);
+  cogl_snippet_set_replace (snippet, "cogl_texel = vec4 (0.0, 0.0, 1.0, 0.0);");
+
+  pipeline = create_texture_pipeline (state);
+  cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
+  cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                            pipeline,
+                                            90, 0, 100, 10,
+                                            0, 0, 0, 0);
+  cogl_object_unref (pipeline);
+
+  cogl_object_unref (snippet);
+
+  test_utils_check_pixel (test_fb, 95, 5, 0x0000ffff);
+}
+
+static void
+test_replace_snippet (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Test replacing a previous snippet */
+  pipeline = create_texture_pipeline (state);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              NULL,
+                              "cogl_color_out = vec4 (0.5, 0.5, 0.5, 1.0);");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, NULL, NULL);
+  cogl_snippet_set_pre (snippet, "cogl_color_out = vec4 (1.0, 1.0, 1.0, 1.0);");
+  cogl_snippet_set_replace (snippet,
+                            "cogl_color_out *= vec4 (1.0, 0.0, 0.0, 1.0);");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                            pipeline,
+                                            100, 0, 110, 10,
+                                            0, 0, 0, 0);
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 105, 5, 0xff0000ff);
+}
+
+static void
+test_replace_fragment_layer (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Test replacing the fragment layer code */
+  pipeline = create_texture_pipeline (state);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_LAYER_FRAGMENT, NULL, NULL);
+  cogl_snippet_set_replace (snippet, "cogl_layer = vec4 (0.0, 0.0, 1.0, 1.0);");
+  cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
+  cogl_object_unref (snippet);
+
+  /* Add a second layer which samples from the texture in the first
+     layer. The snippet override should cause the first layer not to
+     generate the code for the texture lookup but this second layer
+     should still be able to cause it to be generated */
+  cogl_pipeline_set_layer_combine (pipeline, 1,
+                                   "RGB = ADD(TEXTURE_0, PREVIOUS)"
+                                   "A = REPLACE(PREVIOUS)",
+                                   NULL);
+
+  cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                            pipeline,
+                                            110, 0, 120, 10,
+                                            0, 0, 0, 0);
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 115, 5, 0xff00ffff);
+}
+
+static void
+test_modify_fragment_layer (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Test modifying the fragment layer code */
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_uniform_1f (pipeline,
+                                cogl_pipeline_get_uniform_location (pipeline,
+                                                                    "a_value"),
+                                0.5);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_LAYER_FRAGMENT,
+                              "uniform float a_value;",
+                              "cogl_layer.g = a_value;");
+  cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                            pipeline,
+                                            120, 0, 130, 10,
+                                            0, 0, 0, 0);
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 125, 5, 0xff80ffff);
+}
+
+static void
+test_modify_vertex_layer (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+  CoglMatrix matrix;
+
+  /* Test modifying the vertex layer code */
+  pipeline = create_texture_pipeline (state);
+
+  cogl_matrix_init_identity (&matrix);
+  cogl_matrix_translate (&matrix, 0.0f, 1.0f, 0.0f);
+  cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM,
+                              NULL,
+                              "cogl_tex_coord.x = 1.0;");
+  cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                            pipeline,
+                                            130, 0, 140, 10,
+                                            0, 0, 0, 0);
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 135, 5, 0xffff00ff);
+}
+
+static void
+test_replace_vertex_layer (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+  CoglMatrix matrix;
+
+  /* Test replacing the vertex layer code */
+  pipeline = create_texture_pipeline (state);
+
+  cogl_matrix_init_identity (&matrix);
+  cogl_matrix_translate (&matrix, 0.0f, 1.0f, 0.0f);
+  cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_COORD_TRANSFORM,
+                              NULL,
+                              NULL);
+  cogl_snippet_set_replace (snippet, "cogl_tex_coord.x = 1.0;\n");
+  cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                            pipeline,
+                                            140, 0, 150, 10,
+                                            0, 0, 0, 0);
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 145, 5, 0x00ff00ff);
+}
+
+static void
+test_vertex_transform_hook (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+  CoglMatrix identity_matrix;
+  CoglMatrix matrix;
+  int location;
+
+  /* Test the vertex transform hook */
+
+  cogl_matrix_init_identity (&identity_matrix);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_color4ub (pipeline, 255, 0, 255, 255);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX_TRANSFORM,
+                              "uniform mat4 pmat;",
+                              NULL);
+  cogl_snippet_set_replace (snippet, "cogl_position_out = "
+                            "pmat * cogl_position_in;");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  /* Copy the current projection matrix to a uniform */
+  cogl_framebuffer_get_projection_matrix (test_fb, &matrix);
+  location = cogl_pipeline_get_uniform_location (pipeline, "pmat");
+  cogl_pipeline_set_uniform_matrix (pipeline,
+                                    location,
+                                    4, /* dimensions */
+                                    1, /* count */
+                                    FALSE, /* don't transpose */
+                                    cogl_matrix_get_array (&matrix));
+
+  /* Replace the real projection matrix with the identity. This should
+     mess up the drawing unless the snippet replacement is working */
+  cogl_framebuffer_set_projection_matrix (test_fb, &identity_matrix);
+
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 150, 0, 160, 10);
+  cogl_object_unref (pipeline);
+
+  /* Restore the projection matrix */
+  cogl_framebuffer_set_projection_matrix (test_fb, &matrix);
+
+  test_utils_check_pixel (test_fb, 155, 5, 0xff00ffff);
+}
+
+static void
+test_global_vertex_hook (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  /* Creates a function in the global declarations hook which is used
+   * by a subsequent snippet. The subsequent snippets replace any
+   * previous snippets but this shouldn't prevent the global
+   * declarations from being generated */
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX_GLOBALS,
+                              /* declarations */
+                              "float\n"
+                              "multiply_by_two (float number)\n"
+                              "{\n"
+                              "  return number * 2.0;\n"
+                              "}\n",
+                              /* post */
+                              "This string shouldn't be used so "
+                              "we can safely put garbage in here.");
+  cogl_snippet_set_pre (snippet,
+                        "This string shouldn't be used so "
+                        "we can safely put garbage in here.");
+  cogl_snippet_set_replace (snippet,
+                            "This string shouldn't be used so "
+                            "we can safely put garbage in here.");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_VERTEX,
+                              NULL, /* declarations */
+                              NULL /* replace */);
+  cogl_snippet_set_replace (snippet,
+                            "cogl_color_out.r = multiply_by_two (0.5);\n"
+                            "cogl_color_out.gba = vec3 (0.0, 0.0, 1.0);\n"
+                            "cogl_position_out = cogl_position_in;\n");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   -1, 1,
+                                   10.0f * 2.0f / state->fb_width - 1.0f,
+                                   10.0f * 2.0f / state->fb_height - 1.0f);
+
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 5, 5, 0xff0000ff);
+}
+
+static void
+test_global_fragment_hook (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  /* Creates a function in the global declarations hook which is used
+   * by a subsequent snippet. The subsequent snippets replace any
+   * previous snippets but this shouldn't prevent the global
+   * declarations from being generated */
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT_GLOBALS,
+                              /* declarations */
+                              "float\n"
+                              "multiply_by_four (float number)\n"
+                              "{\n"
+                              "  return number * 4.0;\n"
+                              "}\n",
+                              /* post */
+                              "This string shouldn't be used so "
+                              "we can safely put garbage in here.");
+  cogl_snippet_set_pre (snippet,
+                        "This string shouldn't be used so "
+                        "we can safely put garbage in here.");
+  cogl_snippet_set_replace (snippet,
+                            "This string shouldn't be used so "
+                            "we can safely put garbage in here.");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              NULL, /* declarations */
+                              NULL /* replace */);
+  cogl_snippet_set_replace (snippet,
+                            "cogl_color_out.r = multiply_by_four (0.25);\n"
+                            "cogl_color_out.gba = vec3 (0.0, 0.0, 1.0);\n");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   0, 0, 10, 10);
+
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 5, 5, 0xff0000ff);
+}
+
+static void
+test_snippet_order (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+
+  /* Verify that the snippets are executed in the right order. We'll
+     replace the r component of the color in the pre sections of the
+     snippets and the g component in the post. The pre sections should
+     be executed in the reverse order they were added and the post
+     sections in the same order as they were added. Therefore the r
+     component should be taken from the the second snippet and the g
+     component from the first */
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_color4ub (pipeline, 0, 0, 0, 255);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              NULL,
+                              "cogl_color_out.g = 0.5;\n");
+  cogl_snippet_set_pre (snippet, "cogl_color_out.r = 0.5;\n");
+  cogl_snippet_set_replace (snippet, "cogl_color_out.ba = vec2 (0.0, 1.0);");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              NULL,
+                              "cogl_color_out.g = 1.0;\n");
+  cogl_snippet_set_pre (snippet, "cogl_color_out.r = 1.0;\n");
+  cogl_pipeline_add_snippet (pipeline, snippet);
+  cogl_object_unref (snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 160, 0, 170, 10);
+  cogl_object_unref (pipeline);
+
+  test_utils_check_pixel (test_fb, 165, 5, 0x80ff00ff);
+}
+
+static void
+test_naming_texture_units (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglSnippet *snippet;
+  CoglTexture *tex1, *tex2;
+
+  /* Test that we can sample from an arbitrary texture unit by naming
+     its layer number */
+
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT,
+                              NULL,
+                              NULL);
+  cogl_snippet_set_replace (snippet,
+                            "cogl_color_out = "
+                            "texture2D (cogl_sampler100, vec2 (0.0, 0.0)) + "
+                            "texture2D (cogl_sampler200, vec2 (0.0, 0.0));");
+
+  tex1 = test_utils_create_color_texture (test_ctx, 0xff0000ff);
+  tex2 = test_utils_create_color_texture (test_ctx, 0x00ff00ff);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_layer_texture (pipeline, 100, tex1);
+  cogl_pipeline_set_layer_texture (pipeline, 200, tex2);
+
+  cogl_pipeline_add_snippet (pipeline, snippet);
+
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 10, 10);
+
+  cogl_object_unref (pipeline);
+  cogl_object_unref (snippet);
+  cogl_object_unref (tex1);
+  cogl_object_unref (tex2);
+
+  test_utils_check_pixel (test_fb, 5, 5, 0xffff00ff);
+}
+
+static void
+test_snippet_properties (TestState *state)
+{
+  CoglSnippet *snippet;
+
+  /* Sanity check modifying the snippet */
+  snippet = cogl_snippet_new (COGL_SNIPPET_HOOK_FRAGMENT, "foo", "bar");
+  g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "foo");
+  g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "bar");
+  g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
+  g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
+
+  cogl_snippet_set_declarations (snippet, "fu");
+  g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
+  g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "bar");
+  g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
+  g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
+
+  cogl_snippet_set_post (snippet, "ba");
+  g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
+  g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
+  g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
+  g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, NULL);
+
+  cogl_snippet_set_pre (snippet, "fuba");
+  g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
+  g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
+  g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, NULL);
+  g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, "fuba");
+
+  cogl_snippet_set_replace (snippet, "baba");
+  g_assert_cmpstr (cogl_snippet_get_declarations (snippet), ==, "fu");
+  g_assert_cmpstr (cogl_snippet_get_post (snippet), ==, "ba");
+  g_assert_cmpstr (cogl_snippet_get_replace (snippet), ==, "baba");
+  g_assert_cmpstr (cogl_snippet_get_pre (snippet), ==, "fuba");
+
+  g_assert_cmpint (cogl_snippet_get_hook (snippet),
+                   ==,
+                   COGL_SNIPPET_HOOK_FRAGMENT);
+}
+
+static SnippetTestFunc
+tests[] =
+  {
+    simple_fragment_snippet,
+    simple_vertex_snippet,
+    shared_uniform,
+    lots_snippets,
+    shared_variable_pre_post,
+    test_pipeline_caching,
+    test_replace_string,
+    test_texture_lookup_hook,
+    test_multiple_samples,
+    test_replace_lookup_hook,
+    test_replace_snippet,
+    test_replace_fragment_layer,
+    test_modify_fragment_layer,
+    test_modify_vertex_layer,
+    test_replace_vertex_layer,
+    test_vertex_transform_hook,
+    test_global_fragment_hook,
+    test_global_vertex_hook,
+    test_snippet_order,
+    test_naming_texture_units,
+    test_snippet_properties
+  };
+
+static void
+run_tests (TestState *state)
+{
+  int i;
+
+  for (i = 0; i < G_N_ELEMENTS (tests); i++)
+    {
+      cogl_framebuffer_clear4f (test_fb,
+                                COGL_BUFFER_BIT_COLOR,
+                                0, 0, 0, 1);
+
+      tests[i] (state);
+    }
+}
+
+void
+test_snippets (void)
+{
+  TestState state;
+
+  state.fb_width = cogl_framebuffer_get_width (test_fb);
+  state.fb_height = cogl_framebuffer_get_height (test_fb);
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 state.fb_width,
+                                 state.fb_height,
+                                 -1,
+                                 100);
+
+  run_tests (&state);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-sparse-pipeline.c b/tests/conform/test-sparse-pipeline.c
new file mode 100644
index 0000000..04c81d2
--- /dev/null
+++ b/tests/conform/test-sparse-pipeline.c
@@ -0,0 +1,62 @@
+#include 
+#include 
+
+#include "test-utils.h"
+
+typedef struct _TestState
+{
+  int fb_width;
+  int fb_height;
+} TestState;
+
+static void
+test_sparse_layer_combine (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglTexture *tex1, *tex2;
+
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+  /* This tests that the TEXTURE_* numbers used in the layer combine
+     string refer to the layer number rather than the unit numbers by
+     creating a pipeline with very large layer numbers. This should
+     end up being mapped to much smaller unit numbers */
+
+  tex1 = test_utils_create_color_texture (test_ctx, 0xff0000ff);
+  tex2 = test_utils_create_color_texture (test_ctx, 0x00ff00ff);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_layer_texture (pipeline, 50, tex1);
+  cogl_pipeline_set_layer_texture (pipeline, 100, tex2);
+  cogl_pipeline_set_layer_combine (pipeline, 200,
+                                   "RGBA = ADD(TEXTURE_50, TEXTURE_100)",
+                                   NULL);
+
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, -1, -1, 1, 1);
+
+  test_utils_check_pixel (test_fb, 2, 2, 0xffff00ff);
+
+  cogl_object_unref (pipeline);
+  cogl_object_unref (tex1);
+  cogl_object_unref (tex2);
+}
+
+void
+test_sparse_pipeline (void)
+{
+  TestState state;
+
+  state.fb_width = cogl_framebuffer_get_width (test_fb);
+  state.fb_height = cogl_framebuffer_get_height (test_fb);
+
+  test_sparse_layer_combine (&state);
+
+  /* FIXME: This should have a lot more tests, for example testing
+     whether using an attribute with sparse texture coordinates will
+     work */
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-sub-texture.c b/tests/conform/test-sub-texture.c
new file mode 100644
index 0000000..f049f3f
--- /dev/null
+++ b/tests/conform/test-sub-texture.c
@@ -0,0 +1,325 @@
+#include 
+#include 
+
+#include "test-utils.h"
+
+#define SOURCE_SIZE        32
+#define SOURCE_DIVISIONS_X 2
+#define SOURCE_DIVISIONS_Y 2
+#define DIVISION_WIDTH     (SOURCE_SIZE / SOURCE_DIVISIONS_X)
+#define DIVISION_HEIGHT    (SOURCE_SIZE / SOURCE_DIVISIONS_Y)
+
+#define TEST_INSET         1
+
+static const uint32_t
+corner_colors[SOURCE_DIVISIONS_X * SOURCE_DIVISIONS_Y] =
+  {
+    0xff0000ff, /* red top left */
+    0x00ff00ff, /* green top right */
+    0x0000ffff, /* blue bottom left */
+    0xff00ffff  /* purple bottom right */
+  };
+
+typedef struct _TestState
+{
+  CoglTexture2D *tex;
+} TestState;
+
+static CoglTexture2D *
+create_source (TestState *state)
+{
+  int dx, dy;
+  uint8_t *data = g_malloc (SOURCE_SIZE * SOURCE_SIZE * 4);
+  CoglTexture2D *tex;
+
+  /* Create a texture with a different coloured rectangle at each
+     corner */
+  for (dy = 0; dy < SOURCE_DIVISIONS_Y; dy++)
+    for (dx = 0; dx < SOURCE_DIVISIONS_X; dx++)
+      {
+        uint8_t *p = (data + dy * DIVISION_HEIGHT * SOURCE_SIZE * 4 +
+                     dx * DIVISION_WIDTH * 4);
+        int x, y;
+
+        for (y = 0; y < DIVISION_HEIGHT; y++)
+          {
+            for (x = 0; x < DIVISION_WIDTH; x++)
+              {
+                uint32_t color = GUINT32_FROM_BE (corner_colors[dx + dy * SOURCE_DIVISIONS_X]);
+                memcpy (p, &color, 4);
+                p += 4;
+              }
+
+            p += SOURCE_SIZE * 4 - DIVISION_WIDTH * 4;
+          }
+      }
+
+  tex = cogl_texture_2d_new_from_data (test_ctx,
+                                       SOURCE_SIZE, SOURCE_SIZE,
+                                       COGL_PIXEL_FORMAT_RGBA_8888,
+                                       SOURCE_SIZE * 4,
+                                       data,
+                                       NULL);
+  return tex;
+}
+
+static CoglTexture2D *
+create_test_texture (TestState *state)
+{
+  CoglTexture2D *tex;
+  uint8_t *data = g_malloc (256 * 256 * 4), *p = data;
+  int x, y;
+
+  /* Create a texture that is 256x256 where the red component ranges
+     from 0->255 along the x axis and the green component ranges from
+     0->255 along the y axis. The blue and alpha components are all
+     255 */
+  for (y = 0; y < 256; y++)
+    for (x = 0; x < 256; x++)
+      {
+        *(p++) = x;
+        *(p++) = y;
+        *(p++) = 255;
+        *(p++) = 255;
+      }
+
+  tex = cogl_texture_2d_new_from_data (test_ctx,
+                                       256, 256,
+                                       COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                       256 * 4,
+                                       data,
+                                       NULL);
+  g_free (data);
+
+  return tex;
+}
+
+static void
+paint (TestState *state)
+{
+  CoglTexture2D *full_texture;
+  CoglSubTexture *sub_texture, *sub_sub_texture;
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+
+  /* Create a sub texture of the bottom right quarter of the texture */
+  sub_texture = cogl_sub_texture_new (test_ctx,
+                                      state->tex,
+                                      DIVISION_WIDTH,
+                                      DIVISION_HEIGHT,
+                                      DIVISION_WIDTH,
+                                      DIVISION_HEIGHT);
+
+  /* Paint it */
+  cogl_pipeline_set_layer_texture (pipeline, 0, sub_texture);
+  cogl_object_unref (sub_texture);
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline,
+                                   0.0f, 0.0f, DIVISION_WIDTH, DIVISION_HEIGHT);
+
+
+  /* Repeat a sub texture of the top half of the full texture. This is
+     documented to be undefined so it doesn't technically have to work
+     but it will with the current implementation */
+  sub_texture = cogl_sub_texture_new (test_ctx,
+                                      state->tex,
+                                      0, 0,
+                                      SOURCE_SIZE,
+                                      DIVISION_HEIGHT);
+  cogl_pipeline_set_layer_texture (pipeline, 0, sub_texture);
+  cogl_object_unref (sub_texture);
+  cogl_framebuffer_draw_textured_rectangle (test_fb, pipeline,
+                                            0.0f,
+                                            SOURCE_SIZE,
+                                            SOURCE_SIZE * 2.0f,
+                                            SOURCE_SIZE * 1.5f,
+                                            0.0f, 0.0f,
+                                            2.0f, 1.0f);
+
+  /* Create a sub texture of a sub texture */
+  full_texture = create_test_texture (state);
+  sub_texture = cogl_sub_texture_new (test_ctx,
+                                      full_texture,
+                                      20, 10, 30, 20);
+  cogl_object_unref (full_texture);
+  sub_sub_texture = cogl_sub_texture_new (test_ctx,
+                                          sub_texture,
+                                          20, 10, 10, 10);
+  cogl_object_unref (sub_texture);
+  cogl_pipeline_set_layer_texture (pipeline, 0, sub_sub_texture);
+  cogl_object_unref (sub_sub_texture);
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline,
+                                   0.0f, SOURCE_SIZE * 2.0f,
+                                   10.0f, SOURCE_SIZE * 2.0f + 10.0f);
+
+  cogl_object_unref (pipeline);
+}
+
+static void
+validate_part (int xpos, int ypos,
+               int width, int height,
+               uint32_t color)
+{
+  test_utils_check_region (test_fb,
+                           xpos + TEST_INSET,
+                           ypos + TEST_INSET,
+                           width - TEST_INSET - 2,
+                           height - TEST_INSET - 2,
+                           color);
+}
+
+static uint8_t *
+create_update_data (void)
+{
+  uint8_t *data = g_malloc (256 * 256 * 4), *p = data;
+  int x, y;
+
+  /* Create some image data that is 256x256 where the blue component
+     ranges from 0->255 along the x axis and the alpha component
+     ranges from 0->255 along the y axis. The red and green components
+     are all zero */
+  for (y = 0; y < 256; y++)
+    for (x = 0; x < 256; x++)
+      {
+        *(p++) = 0;
+        *(p++) = 0;
+        *(p++) = x;
+        *(p++) = y;
+      }
+
+  return data;
+}
+
+static void
+validate_result (TestState *state)
+{
+  int i, division_num, x, y;
+  CoglTexture2D *test_tex;
+  CoglSubTexture *sub_texture;
+  uint8_t *texture_data, *p;
+  int tex_width, tex_height;
+
+  /* Sub texture of the bottom right corner of the texture */
+  validate_part (0, 0, DIVISION_WIDTH, DIVISION_HEIGHT,
+                 corner_colors[
+                 (SOURCE_DIVISIONS_Y - 1) * SOURCE_DIVISIONS_X +
+                 SOURCE_DIVISIONS_X - 1]);
+
+  /* Sub texture of the top half repeated horizontally */
+  for (i = 0; i < 2; i++)
+    for (division_num = 0; division_num < SOURCE_DIVISIONS_X; division_num++)
+      validate_part (i * SOURCE_SIZE + division_num * DIVISION_WIDTH,
+                     SOURCE_SIZE,
+                     DIVISION_WIDTH, DIVISION_HEIGHT,
+                     corner_colors[division_num]);
+
+  /* Sub sub texture */
+  p = texture_data = g_malloc (10 * 10 * 4);
+  cogl_flush ();
+  cogl_framebuffer_read_pixels (test_fb,
+                                0, SOURCE_SIZE * 2, 10, 10,
+                                COGL_PIXEL_FORMAT_RGBA_8888,
+                                p);
+  for (y = 0; y < 10; y++)
+    for (x = 0; x < 10; x++)
+      {
+        g_assert (*(p++) == x + 40);
+        g_assert (*(p++) == y + 20);
+        p += 2;
+      }
+  g_free (texture_data);
+
+  /* Try reading back the texture data */
+  sub_texture = cogl_sub_texture_new (test_ctx,
+                                      state->tex,
+                                      SOURCE_SIZE / 4,
+                                      SOURCE_SIZE / 4,
+                                      SOURCE_SIZE / 2,
+                                      SOURCE_SIZE / 2);
+  tex_width = cogl_texture_get_width (sub_texture);
+  tex_height = cogl_texture_get_height (sub_texture);
+  p = texture_data = g_malloc (tex_width * tex_height * 4);
+  cogl_texture_get_data (sub_texture,
+                         COGL_PIXEL_FORMAT_RGBA_8888,
+                         tex_width * 4,
+                         texture_data);
+  for (y = 0; y < tex_height; y++)
+    for (x = 0; x < tex_width; x++)
+      {
+        int div_x = ((x * SOURCE_SIZE / 2 / tex_width + SOURCE_SIZE / 4) /
+                     DIVISION_WIDTH);
+        int div_y = ((y * SOURCE_SIZE / 2 / tex_height + SOURCE_SIZE / 4) /
+                     DIVISION_HEIGHT);
+        uint32_t reference = corner_colors[div_x + div_y * SOURCE_DIVISIONS_X] >> 8;
+        uint32_t color = GUINT32_FROM_BE (*((uint32_t *)p)) >> 8;
+        g_assert (color == reference);
+        p += 4;
+      }
+  g_free (texture_data);
+  cogl_object_unref (sub_texture);
+
+  /* Create a 256x256 test texture */
+  test_tex = create_test_texture (state);
+  /* Create a sub texture the views the center half of the texture */
+  sub_texture = cogl_sub_texture_new (test_ctx,
+                                      test_tex,
+                                      64, 64, 128, 128);
+  /* Update the center half of the sub texture */
+  texture_data = create_update_data ();
+  cogl_texture_set_region (sub_texture,
+                           0, 0, 32, 32, 64, 64, 256, 256,
+                           COGL_PIXEL_FORMAT_RGBA_8888_PRE, 256 * 4,
+                           texture_data);
+  g_free (texture_data);
+  cogl_object_unref (sub_texture);
+  /* Get the texture data */
+  p = texture_data = g_malloc (256 * 256 * 4);
+  cogl_texture_get_data (test_tex,
+                         COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                         256 * 4, texture_data);
+
+  /* Verify the texture data */
+  for (y = 0; y < 256; y++)
+    for (x = 0; x < 256; x++)
+      {
+        /* If we're in the center quarter */
+        if (x >= 96 && x < 160 && y >= 96 && y < 160)
+          {
+            g_assert ((*p++) == 0);
+            g_assert ((*p++) == 0);
+            g_assert ((*p++) == x - 96);
+            g_assert ((*p++) == y - 96);
+          }
+        else
+          {
+            g_assert ((*p++) == x);
+            g_assert ((*p++) == y);
+            g_assert ((*p++) == 255);
+            g_assert ((*p++) == 255);
+          }
+      }
+  g_free (texture_data);
+  cogl_object_unref (test_tex);
+}
+
+void
+test_sub_texture (void)
+{
+  TestState state;
+
+  state.tex = create_source (&state);
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 cogl_framebuffer_get_width (test_fb),
+                                 cogl_framebuffer_get_height (test_fb),
+                                 -1,
+                                 100);
+
+  paint (&state);
+  validate_result (&state);
+
+  cogl_object_unref (state.tex);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-texture-3d.c b/tests/conform/test-texture-3d.c
new file mode 100644
index 0000000..8cc5bb5
--- /dev/null
+++ b/tests/conform/test-texture-3d.c
@@ -0,0 +1,274 @@
+#include 
+#include 
+
+#include "test-utils.h"
+
+#define TEX_WIDTH        4
+#define TEX_HEIGHT       8
+#define TEX_DEPTH        16
+/* Leave four bytes of padding between each row */
+#define TEX_ROWSTRIDE    (TEX_WIDTH * 4 + 4)
+/* Leave four rows of padding between each image */
+#define TEX_IMAGE_STRIDE ((TEX_HEIGHT + 4) * TEX_ROWSTRIDE)
+
+typedef struct _TestState
+{
+  int fb_width;
+  int fb_height;
+} TestState;
+
+static CoglTexture3D *
+create_texture_3d (CoglContext *context)
+{
+  int x, y, z;
+  uint8_t *data = g_malloc (TEX_IMAGE_STRIDE * TEX_DEPTH);
+  uint8_t *p = data;
+  CoglTexture3D *tex;
+  CoglError *error = NULL;
+
+  for (z = 0; z < TEX_DEPTH; z++)
+    {
+      for (y = 0; y < TEX_HEIGHT; y++)
+        {
+          for (x = 0; x < TEX_WIDTH; x++)
+            {
+              /* Set red, green, blue to values based on x, y, z */
+              *(p++) = 255 - x * 8;
+              *(p++) = y * 8;
+              *(p++) = 255 - z * 8;
+              /* Fully opaque */
+              *(p++) = 0xff;
+            }
+
+          /* Set the padding between rows to 0xde */
+          memset (p, 0xde, TEX_ROWSTRIDE - (TEX_WIDTH * 4));
+          p += TEX_ROWSTRIDE - (TEX_WIDTH * 4);
+        }
+      /* Set the padding between images to 0xad */
+      memset (p, 0xba, TEX_IMAGE_STRIDE - (TEX_HEIGHT * TEX_ROWSTRIDE));
+      p += TEX_IMAGE_STRIDE - (TEX_HEIGHT * TEX_ROWSTRIDE);
+    }
+
+  tex = cogl_texture_3d_new_from_data (context,
+                                       TEX_WIDTH, TEX_HEIGHT, TEX_DEPTH,
+                                       COGL_PIXEL_FORMAT_RGBA_8888,
+                                       TEX_ROWSTRIDE,
+                                       TEX_IMAGE_STRIDE,
+                                       data,
+                                       &error);
+
+  if (tex == NULL)
+    {
+      g_assert (error != NULL);
+      g_warning ("Failed to create 3D texture: %s", error->message);
+      g_assert_not_reached ();
+    }
+
+  g_free (data);
+
+  return tex;
+}
+
+static void
+draw_frame (TestState *state)
+{
+  CoglTexture *tex = create_texture_3d (test_ctx);
+  CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
+  typedef struct { float x, y, s, t, r; } Vert;
+  CoglPrimitive *primitive;
+  CoglAttributeBuffer *attribute_buffer;
+  CoglAttribute *attributes[2];
+  Vert *verts, *v;
+  int i;
+
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex);
+  cogl_object_unref (tex);
+  cogl_pipeline_set_layer_filters (pipeline, 0,
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+
+  /* Render the texture repeated horizontally twice using a regular
+     cogl rectangle. This should end up with the r texture coordinates
+     as zero */
+  cogl_framebuffer_draw_textured_rectangle (test_fb, pipeline,
+                                            0.0f, 0.0f, TEX_WIDTH * 2, TEX_HEIGHT,
+                                            0.0f, 0.0f, 2.0f, 1.0f);
+
+  /* Render all of the images in the texture using coordinates from a
+     CoglPrimitive */
+  v = verts = g_new (Vert, 4 * TEX_DEPTH);
+  for (i = 0; i < TEX_DEPTH; i++)
+    {
+      float r = (i + 0.5f) / TEX_DEPTH;
+
+      v->x = i * TEX_WIDTH;
+      v->y = TEX_HEIGHT;
+      v->s = 0;
+      v->t = 0;
+      v->r = r;
+      v++;
+
+      v->x = i * TEX_WIDTH;
+      v->y = TEX_HEIGHT * 2;
+      v->s = 0;
+      v->t = 1;
+      v->r = r;
+      v++;
+
+      v->x = i * TEX_WIDTH + TEX_WIDTH;
+      v->y = TEX_HEIGHT * 2;
+      v->s = 1;
+      v->t = 1;
+      v->r = r;
+      v++;
+
+      v->x = i * TEX_WIDTH + TEX_WIDTH;
+      v->y = TEX_HEIGHT;
+      v->s = 1;
+      v->t = 0;
+      v->r = r;
+      v++;
+    }
+
+  attribute_buffer = cogl_attribute_buffer_new (test_ctx,
+                                                4 * TEX_DEPTH * sizeof (Vert),
+                                                verts);
+  attributes[0] = cogl_attribute_new (attribute_buffer,
+                                      "cogl_position_in",
+                                      sizeof (Vert),
+                                      G_STRUCT_OFFSET (Vert, x),
+                                      2, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_FLOAT);
+  attributes[1] = cogl_attribute_new (attribute_buffer,
+                                      "cogl_tex_coord_in",
+                                      sizeof (Vert),
+                                      G_STRUCT_OFFSET (Vert, s),
+                                      3, /* n_components */
+                                      COGL_ATTRIBUTE_TYPE_FLOAT);
+  primitive = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES,
+                                                  6 * TEX_DEPTH,
+                                                  attributes,
+                                                  2 /* n_attributes */);
+
+  cogl_primitive_set_indices (primitive,
+                              cogl_get_rectangle_indices (test_ctx,
+                                                          TEX_DEPTH),
+                              6 * TEX_DEPTH);
+
+  cogl_primitive_draw (primitive, test_fb, pipeline);
+
+  g_free (verts);
+
+  cogl_object_unref (primitive);
+  cogl_object_unref (attributes[0]);
+  cogl_object_unref (attributes[1]);
+  cogl_object_unref (attribute_buffer);
+  cogl_object_unref (pipeline);
+}
+
+static void
+validate_block (int block_x, int block_y, int z)
+{
+  int x, y;
+
+  for (y = 0; y < TEX_HEIGHT; y++)
+    for (x = 0; x < TEX_WIDTH; x++)
+      test_utils_check_pixel_rgb (test_fb,
+                                  block_x * TEX_WIDTH + x,
+                                  block_y * TEX_HEIGHT + y,
+                                  255 - x * 8,
+                                  y * 8,
+                                  255 - z * 8);
+}
+
+static void
+validate_result (void)
+{
+  int i;
+
+  validate_block (0, 0, 0);
+
+  for (i = 0; i < TEX_DEPTH; i++)
+    validate_block (i, 1, i);
+}
+
+static void
+test_multi_texture (TestState *state)
+{
+  CoglPipeline *pipeline;
+  CoglTexture3D *tex_3d;
+  CoglTexture2D *tex_2d;
+  uint8_t tex_data[4];
+
+  cogl_framebuffer_clear4f (test_fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
+
+  /* Tests a pipeline that is using multi-texturing to combine a 3D
+     texture with a 2D texture. The texture from another layer is
+     sampled with TEXTURE_? just to pick up a specific bug that was
+     happening with the ARBfp fragend */
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  tex_data[0] = 0xff;
+  tex_data[1] = 0x00;
+  tex_data[2] = 0x00;
+  tex_data[3] = 0xff;
+  tex_2d = cogl_texture_2d_new_from_data (test_ctx,
+                                          1, 1, /* width/height */
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          4, /* rowstride */
+                                          tex_data,
+                                          NULL);
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex_2d);
+
+  tex_data[0] = 0x00;
+  tex_data[1] = 0xff;
+  tex_data[2] = 0x00;
+  tex_data[3] = 0xff;
+  tex_3d = cogl_texture_3d_new_from_data (test_ctx,
+                                          1, 1, 1, /* width/height/depth */
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          4, /* rowstride */
+                                          4, /* image_stride */
+                                          tex_data,
+                                          NULL);
+  cogl_pipeline_set_layer_texture (pipeline, 1, tex_3d);
+
+  cogl_pipeline_set_layer_combine (pipeline, 0,
+                                   "RGBA = REPLACE(PREVIOUS)",
+                                   NULL);
+  cogl_pipeline_set_layer_combine (pipeline, 1,
+                                   "RGBA = ADD(TEXTURE_0, TEXTURE_1)",
+                                   NULL);
+
+  cogl_framebuffer_draw_rectangle (test_fb, pipeline, 0, 0, 10, 10);
+
+  test_utils_check_pixel (test_fb, 5, 5, 0xffff00ff);
+
+  cogl_object_unref (tex_2d);
+  cogl_object_unref (tex_3d);
+  cogl_object_unref (pipeline);
+}
+
+void
+test_texture_3d (void)
+{
+  TestState state;
+
+  state.fb_width = cogl_framebuffer_get_width (test_fb);
+  state.fb_height = cogl_framebuffer_get_height (test_fb);
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0, /* x_1, y_1 */
+                                 state.fb_width, /* x_2 */
+                                 state.fb_height /* y_2 */,
+                                 -1, 100 /* near/far */);
+
+  draw_frame (&state);
+  validate_result ();
+
+  test_multi_texture (&state);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-texture-get-set-data.c b/tests/conform/test-texture-get-set-data.c
new file mode 100644
index 0000000..59bd0f6
--- /dev/null
+++ b/tests/conform/test-texture-get-set-data.c
@@ -0,0 +1,144 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+static void
+check_texture (int width, int height, TestUtilsTextureFlags flags)
+{
+  CoglTexture *tex;
+  uint8_t *data, *p;
+  int y, x;
+  int rowstride;
+  CoglBitmap *bmp;
+
+  p = data = g_malloc (width * height * 4);
+  for (y = 0; y < height; y++)
+    for (x = 0; x < width; x++)
+      {
+        *(p++) = x;
+        *(p++) = y;
+        *(p++) = 128;
+        *(p++) = (x ^ y);
+      }
+
+  bmp = cogl_bitmap_new_for_data (test_ctx,
+                                  width, height,
+                                  COGL_PIXEL_FORMAT_RGBA_8888,
+                                  width * 4,
+                                  data);
+
+  tex = test_utils_texture_new_from_bitmap (bmp, flags,
+                                            FALSE);
+
+  /* Replace the bottom right quarter of the data with negated data to
+     test set_region */
+  rowstride = width * 4;
+  p = data + (height / 2) * rowstride + rowstride / 2;
+  for (y = 0; y < height / 2; y++)
+    {
+      for (x = 0; x < width / 2; x++)
+        {
+          p[0] = ~p[0];
+          p[1] = ~p[1];
+          p[2] = ~p[2];
+          p[3] = ~p[3];
+          p += 4;
+        }
+      p += width * 2;
+    }
+  cogl_texture_set_region (tex,
+                           width / 2,
+                           height / 2,
+                           width / 2, /* dest x */
+                           height / 2, /* dest y */
+                           width / 2, /* region width */
+                           height / 2, /* region height */
+                           width, /* src width */
+                           height, /* src height */
+                           COGL_PIXEL_FORMAT_RGBA_8888,
+                           rowstride,
+                           data);
+
+  /* Check passing a NULL pointer and a zero rowstride. The texture
+     should calculate the needed data size and return it */
+  g_assert_cmpint (cogl_texture_get_data (tex, COGL_PIXEL_FORMAT_ANY, 0, NULL),
+                   ==,
+                   width * height * 4);
+
+  /* Try first receiving the data as RGB. This should cause a
+   * conversion */
+  memset (data, 0, width * height * 4);
+
+  cogl_texture_get_data (tex, COGL_PIXEL_FORMAT_RGB_888,
+                         width * 3, data);
+
+  p = data;
+
+  for (y = 0; y < height; y++)
+    for (x = 0; x < width; x++)
+      {
+        if (x >= width / 2 && y >= height / 2)
+          {
+            g_assert_cmpint (p[0], ==, ~x & 0xff);
+            g_assert_cmpint (p[1], ==, ~y & 0xff);
+            g_assert_cmpint (p[2], ==, ~128 & 0xff);
+          }
+        else
+          {
+            g_assert_cmpint (p[0], ==, x & 0xff);
+            g_assert_cmpint (p[1], ==, y & 0xff);
+            g_assert_cmpint (p[2], ==, 128);
+          }
+        p += 3;
+      }
+
+  /* Now try receiving the data as RGBA. This should not cause a
+   * conversion and no unpremultiplication because we explicitly set
+   * the internal format when we created the texture */
+  memset (data, 0, width * height * 4);
+
+  cogl_texture_get_data (tex, COGL_PIXEL_FORMAT_RGBA_8888,
+                         width * 4, data);
+
+  p = data;
+
+  for (y = 0; y < height; y++)
+    for (x = 0; x < width; x++)
+      {
+        if (x >= width / 2 && y >= height / 2)
+          {
+            g_assert_cmpint (p[0], ==, ~x & 0xff);
+            g_assert_cmpint (p[1], ==, ~y & 0xff);
+            g_assert_cmpint (p[2], ==, ~128 & 0xff);
+            g_assert_cmpint (p[3], ==, ~(x ^ y) & 0xff);
+          }
+        else
+          {
+            g_assert_cmpint (p[0], ==, x & 0xff);
+            g_assert_cmpint (p[1], ==, y & 0xff);
+            g_assert_cmpint (p[2], ==, 128);
+            g_assert_cmpint (p[3], ==, (x ^ y) & 0xff);
+          }
+        p += 4;
+      }
+
+  cogl_object_unref (tex);
+  g_free (data);
+}
+
+void
+test_texture_get_set_data (void)
+{
+  /* First try without atlasing */
+  check_texture (256, 256, TEST_UTILS_TEXTURE_NO_ATLAS);
+  /* Try again with atlasing. This should end up testing the atlas
+     backend and the sub texture backend */
+  check_texture (256, 256, 0);
+  /* Try with a really big texture in the hope that it will end up
+     sliced. */
+  check_texture (4, 5128, TEST_UTILS_TEXTURE_NO_ATLAS);
+  /* And in the other direction. */
+  check_texture (5128, 4, TEST_UTILS_TEXTURE_NO_ATLAS);
+}
diff --git a/tests/conform/test-texture-no-allocate.c b/tests/conform/test-texture-no-allocate.c
new file mode 100644
index 0000000..b0199a9
--- /dev/null
+++ b/tests/conform/test-texture-no-allocate.c
@@ -0,0 +1,80 @@
+#include 
+
+#include "test-utils.h"
+
+/* Tests that the various texture types can be freed without being
+ * allocated */
+
+/* Texture size that is probably to big to fit within the texture
+ * limits */
+#define BIG_TEX_WIDTH 16384
+#define BIG_TEX_HEIGHT 128
+
+void
+test_texture_no_allocate (void)
+{
+  uint8_t *tex_data;
+  CoglTexture *texture;
+  CoglTexture2D *texture_2d;
+  GError *error = NULL;
+
+  tex_data = g_malloc (BIG_TEX_WIDTH * BIG_TEX_HEIGHT * 4);
+
+  /* NB: if we make the atlas and sliced texture APIs public then this
+   * could changed to explicitly use that instead of the magic texture
+   * API */
+
+  /* Try to create an atlas texture that is too big so it will
+   * internally be freed without allocating */
+  texture =
+    cogl_atlas_texture_new_from_data (test_ctx,
+                                      BIG_TEX_WIDTH,
+                                      BIG_TEX_HEIGHT,
+                                      /* format */
+                                      COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                      /* rowstride */
+                                      BIG_TEX_WIDTH * 4,
+                                      tex_data,
+                                      &error);
+
+  g_free (tex_data);
+
+  /* It's ok if this causes an error, we just don't want it to
+   * crash */
+
+  if (texture == NULL)
+    cogl_error_free (error);
+  else
+    cogl_object_unref (texture);
+
+  /* Try to create a sliced texture without allocating it */
+  texture =
+    cogl_texture_2d_sliced_new_with_size (test_ctx,
+                                          BIG_TEX_WIDTH,
+                                          BIG_TEX_HEIGHT,
+                                          COGL_TEXTURE_MAX_WASTE);
+  cogl_object_unref (texture);
+
+  /* 2D texture */
+  texture_2d = cogl_texture_2d_new_with_size (test_ctx,
+                                              64, 64);
+  cogl_object_unref (texture_2d);
+
+  /* 3D texture */
+  if (cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_3D))
+    {
+      CoglTexture3D *texture_3d =
+        cogl_texture_3d_new_with_size (test_ctx,
+                                       64, 64, 64);
+      cogl_object_unref (texture_3d);
+    }
+
+  /* Rectangle texture */
+  if (cogl_has_feature (test_ctx, COGL_FEATURE_ID_TEXTURE_RECTANGLE))
+    {
+      CoglTextureRectangle *texture_rect =
+        cogl_texture_rectangle_new_with_size (test_ctx,
+                                              64, 64);
+      cogl_object_unref (texture_rect);
+    }
+}
diff --git a/tests/conform/test-texture-rg.c b/tests/conform/test-texture-rg.c
new file mode 100644
index 0000000..72a5ae9
--- /dev/null
+++ b/tests/conform/test-texture-rg.c
@@ -0,0 +1,74 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+#define TEX_WIDTH 8
+#define TEX_HEIGHT 8
+
+static CoglTexture2D *
+make_texture (void)
+{
+  uint8_t tex_data[TEX_WIDTH * TEX_HEIGHT * 2], *p = tex_data;
+  int x, y;
+
+  for (y = 0; y < TEX_HEIGHT; y++)
+    for (x = 0; x < TEX_WIDTH; x++)
+      {
+        *(p++) = x * 256 / TEX_WIDTH;
+        *(p++) = y * 256 / TEX_HEIGHT;
+      }
+
+  return cogl_texture_2d_new_from_data (test_ctx,
+                                        TEX_WIDTH, TEX_HEIGHT,
+                                        COGL_PIXEL_FORMAT_RG_88,
+                                        TEX_WIDTH * 2,
+                                        tex_data,
+                                        NULL);
+}
+
+void
+test_texture_rg (void)
+{
+  CoglPipeline *pipeline;
+  CoglTexture2D *tex;
+  int fb_width, fb_height;
+  int x, y;
+
+  fb_width = cogl_framebuffer_get_width (test_fb);
+  fb_height = cogl_framebuffer_get_height (test_fb);
+
+  tex = make_texture ();
+
+  g_assert (cogl_texture_get_components (tex) == COGL_TEXTURE_COMPONENTS_RG);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_layer_texture (pipeline, 0, tex);
+  cogl_pipeline_set_layer_filters (pipeline,
+                                   0,
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+
+  cogl_framebuffer_draw_rectangle (test_fb,
+                                   pipeline,
+                                   -1.0f, 1.0f,
+                                   1.0f, -1.0f);
+
+  for (y = 0; y < TEX_HEIGHT; y++)
+    for (x = 0; x < TEX_WIDTH; x++)
+      {
+        test_utils_check_pixel_rgb (test_fb,
+                                    x * fb_width / TEX_WIDTH +
+                                    fb_width / (TEX_WIDTH * 2),
+                                    y * fb_height / TEX_HEIGHT +
+                                    fb_height / (TEX_HEIGHT * 2),
+                                    x * 256 / TEX_WIDTH,
+                                    y * 256 / TEX_HEIGHT,
+                                    0);
+      }
+
+  cogl_object_unref (pipeline);
+  cogl_object_unref (tex);
+}
diff --git a/tests/conform/test-version.c b/tests/conform/test-version.c
new file mode 100644
index 0000000..b651165
--- /dev/null
+++ b/tests/conform/test-version.c
@@ -0,0 +1,85 @@
+#include 
+
+/* These will be redefined in config.h */
+#undef COGL_ENABLE_EXPERIMENTAL_2_0_API
+#undef COGL_ENABLE_EXPERIMENTAL_API
+
+#include "test-utils.h"
+#include "config.h"
+
+/* So we can use _COGL_STATIC_ASSERT we include the internal
+ * cogl-util.h header. Since internal headers explicitly guard against
+ * applications including them directly instead of including
+ *  we define __COGL_H_INSIDE__ here to subvert those
+ * guards in this case... */
+#define __COGL_H_INSIDE__
+#include 
+#undef __COGL_H_INSIDE__
+
+_COGL_STATIC_ASSERT (COGL_VERSION_ENCODE (COGL_VERSION_MAJOR,
+                                          COGL_VERSION_MINOR,
+                                          COGL_VERSION_MICRO) ==
+                     COGL_VERSION,
+                     "The pre-encoded Cogl version does not match the version "
+                     "encoding macro");
+
+_COGL_STATIC_ASSERT (COGL_VERSION_GET_MAJOR (COGL_VERSION_ENCODE (100,
+                                                                  200,
+                                                                  300)) ==
+                     100,
+                     "Getting the major component out of a encoded version "
+                     "does not work");
+_COGL_STATIC_ASSERT (COGL_VERSION_GET_MINOR (COGL_VERSION_ENCODE (100,
+                                                                  200,
+                                                                  300)) ==
+                     200,
+                     "Getting the minor component out of a encoded version "
+                     "does not work");
+_COGL_STATIC_ASSERT (COGL_VERSION_GET_MICRO (COGL_VERSION_ENCODE (100,
+                                                                  200,
+                                                                  300)) ==
+                     300,
+                     "Getting the micro component out of a encoded version "
+                     "does not work");
+
+_COGL_STATIC_ASSERT (COGL_VERSION_CHECK (COGL_VERSION_MAJOR,
+                                         COGL_VERSION_MINOR,
+                                         COGL_VERSION_MICRO),
+                     "Checking the Cogl version against the current version "
+                     "does not pass");
+_COGL_STATIC_ASSERT (!COGL_VERSION_CHECK (COGL_VERSION_MAJOR,
+                                          COGL_VERSION_MINOR,
+                                          COGL_VERSION_MICRO + 1),
+                     "Checking the Cogl version against a later micro version "
+                     "should not pass");
+_COGL_STATIC_ASSERT (!COGL_VERSION_CHECK (COGL_VERSION_MAJOR,
+                                          COGL_VERSION_MINOR + 1,
+                                          COGL_VERSION_MICRO),
+                     "Checking the Cogl version against a later minor version "
+                     "should not pass");
+_COGL_STATIC_ASSERT (!COGL_VERSION_CHECK (COGL_VERSION_MAJOR + 1,
+                                          COGL_VERSION_MINOR,
+                                          COGL_VERSION_MICRO),
+                     "Checking the Cogl version against a later major version "
+                     "should not pass");
+
+_COGL_STATIC_ASSERT (COGL_VERSION_CHECK (COGL_VERSION_MAJOR - 1,
+                                         COGL_VERSION_MINOR,
+                                         COGL_VERSION_MICRO),
+                     "Checking the Cogl version against a older major version "
+                     "should pass");
+
+void
+test_version (void)
+{
+  const char *version = g_strdup_printf ("version = %i.%i.%i",
+                                         COGL_VERSION_MAJOR,
+                                         COGL_VERSION_MINOR,
+                                         COGL_VERSION_MICRO);
+
+  g_assert_cmpstr (version, ==, "version = " COGL_VERSION_STRING);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
+
diff --git a/tests/conform/test-wrap-modes.c b/tests/conform/test-wrap-modes.c
new file mode 100644
index 0000000..e5a2a1a
--- /dev/null
+++ b/tests/conform/test-wrap-modes.c
@@ -0,0 +1,296 @@
+#define COGL_VERSION_MIN_REQUIRED COGL_VERSION_1_0
+
+#include 
+#include 
+
+#include "test-utils.h"
+
+#define TEX_SIZE 4
+
+typedef struct _TestState
+{
+  int width;
+  int height;
+  CoglTexture *texture;
+} TestState;
+
+static CoglTexture *
+create_texture (TestUtilsTextureFlags flags)
+{
+  uint8_t *data = g_malloc (TEX_SIZE * TEX_SIZE * 4), *p = data;
+  CoglTexture *tex;
+  int x, y;
+
+  for (y = 0; y < TEX_SIZE; y++)
+    for (x = 0; x < TEX_SIZE; x++)
+      {
+        *(p++) = 0;
+        *(p++) = (x & 1) * 255;
+        *(p++) = (y & 1) * 255;
+        *(p++) = 255;
+      }
+
+  tex = test_utils_texture_new_from_data (test_ctx,
+                                          TEX_SIZE, TEX_SIZE, flags,
+                                          COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                                          TEX_SIZE * 4,
+                                          data);
+  g_free (data);
+
+  return tex;
+}
+
+static CoglPipeline *
+create_pipeline (TestState *state,
+                 CoglPipelineWrapMode wrap_mode_s,
+                 CoglPipelineWrapMode wrap_mode_t)
+{
+  CoglPipeline *pipeline;
+
+  pipeline = cogl_pipeline_new (test_ctx);
+  cogl_pipeline_set_layer_texture (pipeline, 0, state->texture);
+  cogl_pipeline_set_layer_filters (pipeline, 0,
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+  cogl_pipeline_set_layer_wrap_mode_s (pipeline, 0, wrap_mode_s);
+  cogl_pipeline_set_layer_wrap_mode_t (pipeline, 0, wrap_mode_t);
+
+  return pipeline;
+}
+
+static CoglPipelineWrapMode
+wrap_modes[] =
+  {
+    COGL_PIPELINE_WRAP_MODE_REPEAT,
+    COGL_PIPELINE_WRAP_MODE_REPEAT,
+
+    COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
+    COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
+
+    COGL_PIPELINE_WRAP_MODE_REPEAT,
+    COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
+
+    COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
+    COGL_PIPELINE_WRAP_MODE_REPEAT,
+
+    COGL_PIPELINE_WRAP_MODE_AUTOMATIC,
+    COGL_PIPELINE_WRAP_MODE_AUTOMATIC,
+
+    COGL_PIPELINE_WRAP_MODE_AUTOMATIC,
+    COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE
+  };
+
+static void
+draw_tests (TestState *state)
+{
+  int i;
+
+  for (i = 0; i < G_N_ELEMENTS (wrap_modes); i += 2)
+    {
+      CoglPipelineWrapMode wrap_mode_s, wrap_mode_t;
+      CoglPipeline *pipeline;
+
+      /* Create a separate pipeline for each pair of wrap modes so
+         that we can verify whether the batch splitting works */
+      wrap_mode_s = wrap_modes[i];
+      wrap_mode_t = wrap_modes[i + 1];
+      pipeline = create_pipeline (state, wrap_mode_s, wrap_mode_t);
+      /* Render the pipeline at four times the size of the texture */
+      cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                                pipeline,
+                                                i * TEX_SIZE,
+                                                0,
+                                                (i + 2) * TEX_SIZE,
+                                                TEX_SIZE * 2,
+                                                0, 0, 2, 2);
+      cogl_object_unref (pipeline);
+    }
+}
+
+static const CoglTextureVertex vertices[4] =
+  {
+    { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f },
+    { 0.0f, TEX_SIZE * 2, 0.0f, 0.0f, 2.0f },
+    { TEX_SIZE * 2, TEX_SIZE * 2, 0.0f, 2.0f, 2.0f },
+    { TEX_SIZE * 2, 0.0f, 0.0f, 2.0f, 0.0f }
+  };
+
+static void
+draw_tests_polygon (TestState *state)
+{
+  int i;
+
+  for (i = 0; i < G_N_ELEMENTS (wrap_modes); i += 2)
+    {
+      CoglPipelineWrapMode wrap_mode_s, wrap_mode_t;
+      CoglPipeline *pipeline;
+
+      wrap_mode_s = wrap_modes[i];
+      wrap_mode_t = wrap_modes[i + 1];
+      pipeline = create_pipeline (state, wrap_mode_s, wrap_mode_t);
+      cogl_set_source (pipeline);
+      cogl_object_unref (pipeline);
+      cogl_push_matrix ();
+      cogl_translate (TEX_SIZE * i, 0.0f, 0.0f);
+      /* Render the pipeline at four times the size of the texture */
+      cogl_polygon (vertices, G_N_ELEMENTS (vertices), FALSE);
+      cogl_pop_matrix ();
+    }
+}
+
+static void
+draw_tests_vbo (TestState *state)
+{
+  CoglHandle vbo;
+  int i;
+
+  vbo = cogl_vertex_buffer_new (4);
+  cogl_vertex_buffer_add (vbo, "gl_Vertex", 3,
+                          COGL_ATTRIBUTE_TYPE_FLOAT, FALSE,
+                          sizeof (vertices[0]),
+                          &vertices[0].x);
+  cogl_vertex_buffer_add (vbo, "gl_MultiTexCoord0", 2,
+                          COGL_ATTRIBUTE_TYPE_FLOAT, FALSE,
+                          sizeof (vertices[0]),
+                          &vertices[0].tx);
+  cogl_vertex_buffer_submit (vbo);
+
+  for (i = 0; i < G_N_ELEMENTS (wrap_modes); i += 2)
+    {
+      CoglPipelineWrapMode wrap_mode_s, wrap_mode_t;
+      CoglPipeline *pipeline;
+
+      wrap_mode_s = wrap_modes[i];
+      wrap_mode_t = wrap_modes[i + 1];
+      pipeline = create_pipeline (state, wrap_mode_s, wrap_mode_t);
+      cogl_set_source (pipeline);
+      cogl_object_unref (pipeline);
+      cogl_push_matrix ();
+      cogl_translate (TEX_SIZE * i, 0.0f, 0.0f);
+      /* Render the pipeline at four times the size of the texture */
+      cogl_vertex_buffer_draw (vbo, COGL_VERTICES_MODE_TRIANGLE_FAN, 0, 4);
+      cogl_pop_matrix ();
+    }
+
+  cogl_handle_unref (vbo);
+}
+
+static void
+validate_set (TestState *state, int offset)
+{
+  uint8_t data[TEX_SIZE * 2 * TEX_SIZE * 2 * 4], *p;
+  int x, y, i;
+
+  for (i = 0; i < G_N_ELEMENTS (wrap_modes); i += 2)
+    {
+      CoglPipelineWrapMode wrap_mode_s, wrap_mode_t;
+
+      wrap_mode_s = wrap_modes[i];
+      wrap_mode_t = wrap_modes[i + 1];
+
+      cogl_framebuffer_read_pixels (test_fb, i * TEX_SIZE, offset * TEX_SIZE * 2,
+                                    TEX_SIZE * 2, TEX_SIZE * 2,
+                                    COGL_PIXEL_FORMAT_RGBA_8888,
+                                    data);
+
+      p = data;
+
+      for (y = 0; y < TEX_SIZE * 2; y++)
+        for (x = 0; x < TEX_SIZE * 2; x++)
+          {
+            uint8_t green, blue;
+
+            if (x < TEX_SIZE ||
+                wrap_mode_s == COGL_PIPELINE_WRAP_MODE_REPEAT ||
+                wrap_mode_s == COGL_PIPELINE_WRAP_MODE_AUTOMATIC)
+              green = (x & 1) * 255;
+            else
+              green = ((TEX_SIZE - 1) & 1) * 255;
+
+            if (y < TEX_SIZE ||
+                wrap_mode_t == COGL_PIPELINE_WRAP_MODE_REPEAT ||
+                wrap_mode_t == COGL_PIPELINE_WRAP_MODE_AUTOMATIC)
+              blue = (y & 1) * 255;
+            else
+              blue = ((TEX_SIZE - 1) & 1) * 255;
+
+            g_assert_cmpint (p[0], ==, 0);
+            g_assert_cmpint (p[1], ==, green);
+            g_assert_cmpint (p[2], ==, blue);
+
+            p += 4;
+          }
+    }
+}
+
+static void
+validate_result (TestState *state)
+{
+  validate_set (state, 0); /* non-atlased rectangle */
+#if 0 /* this doesn't currently work */
+  validate_set (state, 1); /* atlased rectangle */
+#endif
+  validate_set (state, 2); /* cogl_polygon */
+  validate_set (state, 3); /* vertex buffer */
+}
+
+static void
+paint (TestState *state)
+{
+  /* Draw the tests first with a non atlased texture */
+  state->texture = create_texture (TEST_UTILS_TEXTURE_NO_ATLAS);
+  draw_tests (state);
+  cogl_object_unref (state->texture);
+
+  /* Draw the tests again with a possible atlased texture. This should
+     end up testing software repeats */
+  state->texture = create_texture (TEST_UTILS_TEXTURE_NONE);
+  cogl_framebuffer_push_matrix (test_fb);
+  cogl_framebuffer_translate (test_fb, 0.0f, TEX_SIZE * 2.0f, 0.0f);
+  draw_tests (state);
+  cogl_pop_matrix ();
+  cogl_object_unref (state->texture);
+
+  /* Draw the tests using cogl_polygon */
+  state->texture = create_texture (COGL_TEXTURE_NO_ATLAS);
+  cogl_push_matrix ();
+  cogl_translate (0.0f, TEX_SIZE * 4.0f, 0.0f);
+  draw_tests_polygon (state);
+  cogl_pop_matrix ();
+  cogl_object_unref (state->texture);
+
+  /* Draw the tests using a vertex buffer */
+  state->texture = create_texture (COGL_TEXTURE_NO_ATLAS);
+  cogl_push_matrix ();
+  cogl_translate (0.0f, TEX_SIZE * 6.0f, 0.0f);
+  draw_tests_vbo (state);
+  cogl_pop_matrix ();
+  cogl_object_unref (state->texture);
+
+  validate_result (state);
+}
+
+void
+test_wrap_modes (void)
+{
+  TestState state;
+
+  state.width = cogl_framebuffer_get_width (test_fb);
+  state.height = cogl_framebuffer_get_height (test_fb);
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0,
+                                 state.width,
+                                 state.height,
+                                 -1,
+                                 100);
+
+  /* XXX: we have to push/pop a framebuffer since this test currently
+   * uses the legacy cogl_vertex_buffer_draw() api. */
+  cogl_push_framebuffer (test_fb);
+  paint (&state);
+  cogl_pop_framebuffer ();
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/conform/test-wrap-rectangle-textures.c b/tests/conform/test-wrap-rectangle-textures.c
new file mode 100644
index 0000000..73b3575
--- /dev/null
+++ b/tests/conform/test-wrap-rectangle-textures.c
@@ -0,0 +1,175 @@
+#include 
+
+#include 
+
+#include "test-utils.h"
+
+#define DRAW_SIZE 64
+
+static CoglPipeline *
+create_base_pipeline (void)
+{
+  CoglBitmap *bmp;
+  CoglTextureRectangle *tex;
+  CoglPipeline *pipeline;
+  uint8_t tex_data[] =
+    {
+      0x44, 0x44, 0x44, 0x88, 0x88, 0x88,
+      0xcc, 0xcc, 0xcc, 0xff, 0xff, 0xff
+    };
+
+  bmp = cogl_bitmap_new_for_data (test_ctx,
+                                  2, 2, /* width/height */
+                                  COGL_PIXEL_FORMAT_RGB_888,
+                                  2 * 3, /* rowstride */
+                                  tex_data);
+
+  tex = cogl_texture_rectangle_new_from_bitmap (bmp);
+
+  cogl_object_unref (bmp);
+
+  pipeline = cogl_pipeline_new (test_ctx);
+
+  cogl_pipeline_set_layer_filters (pipeline,
+                                   0, /* layer */
+                                   COGL_PIPELINE_FILTER_NEAREST,
+                                   COGL_PIPELINE_FILTER_NEAREST);
+
+  cogl_pipeline_set_layer_texture (pipeline,
+                                   0, /* layer */
+                                   tex);
+
+  cogl_object_unref (tex);
+
+  return pipeline;
+}
+
+static void
+check_colors (int x_offset,
+              int y_offset,
+              const uint8_t expected_colors[9])
+{
+  int x, y;
+
+  for (y = 0; y < 4; y++)
+    for (x = 0; x < 4; x++)
+      {
+        uint32_t color = expected_colors[x + y * 4];
+        test_utils_check_region (test_fb,
+                                 x * DRAW_SIZE / 4 + 1 + x_offset,
+                                 y * DRAW_SIZE / 4 + 1 + y_offset,
+                                 DRAW_SIZE / 4 - 2,
+                                 DRAW_SIZE / 4 - 2,
+                                 0xff |
+                                 (color << 8) |
+                                 (color << 16) |
+                                 (color << 24));
+      }
+}
+
+static void
+test_pipeline (CoglPipeline *pipeline,
+               int x_offset,
+               int y_offset,
+               const uint8_t expected_colors[9])
+{
+  float x1 = x_offset;
+  float y1 = y_offset;
+  float x2 = x1 + DRAW_SIZE;
+  float y2 = y1 + DRAW_SIZE;
+  int y, x;
+
+  cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                            pipeline,
+                                            x1, y1,
+                                            x2, y2,
+                                            -0.5f, /* s1 */
+                                            -0.5f, /* t1 */
+                                            1.5f, /* s2 */
+                                            1.5f /* t2 */);
+
+  check_colors (x_offset, y_offset, expected_colors);
+
+  /* Also try drawing each quadrant of the rectangle with a small
+   * rectangle */
+
+  for (y = -1; y < 3; y++)
+    for (x = -1; x < 3; x++)
+      {
+        x1 = x_offset + (x + 1) * DRAW_SIZE / 4 + DRAW_SIZE;
+        y1 = y_offset + (y + 1) * DRAW_SIZE / 4;
+        x2 = x1 + DRAW_SIZE / 4;
+        y2 = y1 + DRAW_SIZE / 4;
+
+        cogl_framebuffer_draw_textured_rectangle (test_fb,
+                                                  pipeline,
+                                                  x1, y1,
+                                                  x2, y2,
+                                                  x / 2.0f, /* s1 */
+                                                  y / 2.0f, /* t1 */
+                                                  (x + 1) / 2.0f, /* s2 */
+                                                  (y + 1) / 2.0f /* t2 */);
+      }
+
+  check_colors (x_offset + DRAW_SIZE, y_offset, expected_colors);
+}
+
+void
+test_wrap_rectangle_textures (void)
+{
+  float fb_width = cogl_framebuffer_get_width (test_fb);
+  float fb_height = cogl_framebuffer_get_height (test_fb);
+  CoglPipeline *base_pipeline;
+  CoglPipeline *clamp_pipeline;
+  CoglPipeline *repeat_pipeline;
+  /* The textures are drawn with the texture coordinates from
+   * -0.5→1.5. That means we get one complete copy of the texture and
+   * an extra half of the texture surrounding it. The drawing is
+   * tested against a 4x4 grid of colors. The center 2x2 colours
+   * specify the normal texture colors and the other colours specify
+   * what the wrap mode should generate */
+  static const uint8_t clamp_colors[] =
+    {
+      0x44, 0x44, 0x88, 0x88,
+      0x44, 0x44, 0x88, 0x88,
+      0xcc, 0xcc, 0xff, 0xff,
+      0xcc, 0xcc, 0xff, 0xff
+    };
+  static const uint8_t repeat_colors[] =
+    {
+      0xff, 0xcc, 0xff, 0xcc,
+      0x88, 0x44, 0x88, 0x44,
+      0xff, 0xcc, 0xff, 0xcc,
+      0x88, 0x44, 0x88, 0x44
+    };
+
+  cogl_framebuffer_orthographic (test_fb,
+                                 0, 0, /* x_1, y_1 */
+                                 fb_width, /* x_2 */
+                                 fb_height /* y_2 */,
+                                 -1, 100 /* near/far */);
+
+  base_pipeline = create_base_pipeline ();
+
+  clamp_pipeline = cogl_pipeline_copy (base_pipeline);
+  cogl_pipeline_set_layer_wrap_mode (clamp_pipeline,
+                                     0, /* layer */
+                                     COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE);
+
+  repeat_pipeline = cogl_pipeline_copy (base_pipeline);
+  cogl_pipeline_set_layer_wrap_mode (repeat_pipeline,
+                                     0, /* layer */
+                                     COGL_PIPELINE_WRAP_MODE_REPEAT);
+
+  test_pipeline (clamp_pipeline,
+                 0, 0, /* x/y offset */
+                 clamp_colors);
+
+  test_pipeline (repeat_pipeline,
+                 0, DRAW_SIZE * 2, /* x/y offset */
+                 repeat_colors);
+
+  cogl_object_unref (repeat_pipeline);
+  cogl_object_unref (clamp_pipeline);
+  cogl_object_unref (base_pipeline);
+}
diff --git a/tests/conform/test-write-texture-formats.c b/tests/conform/test-write-texture-formats.c
new file mode 100644
index 0000000..d415df0
--- /dev/null
+++ b/tests/conform/test-write-texture-formats.c
@@ -0,0 +1,184 @@
+#include 
+#include 
+
+#include "test-utils.h"
+
+/*
+ * This tests writing data to an RGBA texture in all of the available
+ * pixel formats
+ */
+
+static void
+test_color (CoglTexture *texture,
+            uint32_t expected_pixel)
+{
+  uint8_t received_pixel[4];
+
+  cogl_texture_get_data (texture,
+                         COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                         4, /* rowstride */
+                         received_pixel);
+
+  test_utils_compare_pixel_and_alpha (received_pixel, expected_pixel);
+}
+
+static void
+test_write_byte (CoglContext *context,
+                 CoglPixelFormat format,
+                 uint8_t byte,
+                 uint32_t expected_pixel)
+{
+  CoglTexture *texture = test_utils_create_color_texture (context, 0);
+
+  cogl_texture_set_region (texture,
+                           0, 0, /* src_x / src_y */
+                           0, 0, /* dst_x / dst_y */
+                           1, 1, /* dst_w / dst_h */
+                           1, 1, /* width / height */
+                           format,
+                           1, /* rowstride */
+                           &byte);
+
+  test_color (texture, expected_pixel);
+
+  cogl_object_unref (texture);
+}
+
+static void
+test_write_short (CoglContext *context,
+                  CoglPixelFormat format,
+                  uint16_t value,
+                  uint32_t expected_pixel)
+{
+  CoglTexture *texture = test_utils_create_color_texture (context, 0);
+
+  cogl_texture_set_region (texture,
+                           0, 0, /* src_x / src_y */
+                           0, 0, /* dst_x / dst_y */
+                           1, 1, /* dst_w / dst_h */
+                           1, 1, /* width / height */
+                           format,
+                           2, /* rowstride */
+                           (uint8_t *) &value);
+
+  test_color (texture, expected_pixel);
+
+  cogl_object_unref (texture);
+}
+
+static void
+test_write_bytes (CoglContext *context,
+                  CoglPixelFormat format,
+                  uint32_t value,
+                  uint32_t expected_pixel)
+{
+  CoglTexture *texture = test_utils_create_color_texture (context, 0);
+
+  value = GUINT32_TO_BE (value);
+
+  cogl_texture_set_region (texture,
+                           0, 0, /* src_x / src_y */
+                           0, 0, /* dst_x / dst_y */
+                           1, 1, /* dst_w / dst_h */
+                           1, 1, /* width / height */
+                           format,
+                           4, /* rowstride */
+                           (uint8_t *) &value);
+
+  test_color (texture, expected_pixel);
+
+  cogl_object_unref (texture);
+}
+
+static void
+test_write_int (CoglContext *context,
+                CoglPixelFormat format,
+                uint32_t expected_pixel,
+                ...)
+{
+  va_list ap;
+  int bits;
+  uint32_t tex_data = 0;
+  int bits_sum = 0;
+  CoglTexture *texture = test_utils_create_color_texture (context, 0);
+
+  va_start (ap, expected_pixel);
+
+  /* Convert the va args into a single 32-bit value */
+  while ((bits = va_arg (ap, int)) != -1)
+    {
+      uint32_t value = (va_arg (ap, int) * ((1 << bits) - 1) + 127) / 255;
+
+      bits_sum += bits;
+
+      tex_data |= value << (32 - bits_sum);
+    }
+
+  va_end (ap);
+
+  cogl_texture_set_region (texture,
+                           0, 0, /* src_x / src_y */
+                           0, 0, /* dst_x / dst_y */
+                           1, 1, /* dst_w / dst_h */
+                           1, 1, /* width / height */
+                           format,
+                           4, /* rowstride */
+                           (uint8_t *) &tex_data);
+
+  test_color (texture, expected_pixel);
+
+  cogl_object_unref (texture);
+}
+
+void
+test_write_texture_formats (void)
+{
+  test_write_byte (test_ctx, COGL_PIXEL_FORMAT_A_8, 0x34, 0x00000034);
+#if 0
+  /* I'm not sure what's the right value to put here because Nvidia
+     and Mesa seem to behave differently so one of them must be
+     wrong. */
+  test_write_byte (test_ctx, COGL_PIXEL_FORMAT_G_8, 0x34, 0x340000ff);
+#endif
+
+  /* We should always be able to read from an RG buffer regardless of
+   * whether RG textures are supported because Cogl will do the
+   * conversion for us */
+  test_write_bytes (test_ctx, COGL_PIXEL_FORMAT_RG_88, 0x123456ff, 0x123400ff);
+
+  test_write_short (test_ctx, COGL_PIXEL_FORMAT_RGB_565, 0x0843, 0x080819ff);
+  test_write_short (test_ctx, COGL_PIXEL_FORMAT_RGBA_4444_PRE, 0x1234, 0x11223344);
+  test_write_short (test_ctx, COGL_PIXEL_FORMAT_RGBA_5551_PRE, 0x0887, 0x081019ff);
+
+  test_write_bytes (test_ctx, COGL_PIXEL_FORMAT_RGB_888, 0x123456ff, 0x123456ff);
+  test_write_bytes (test_ctx, COGL_PIXEL_FORMAT_BGR_888, 0x563412ff, 0x123456ff);
+
+  test_write_bytes (test_ctx, COGL_PIXEL_FORMAT_RGBA_8888_PRE,
+                    0x12345678, 0x12345678);
+  test_write_bytes (test_ctx, COGL_PIXEL_FORMAT_BGRA_8888_PRE,
+                    0x56341278, 0x12345678);
+  test_write_bytes (test_ctx, COGL_PIXEL_FORMAT_ARGB_8888_PRE,
+                    0x78123456, 0x12345678);
+  test_write_bytes (test_ctx, COGL_PIXEL_FORMAT_ABGR_8888_PRE,
+                    0x78563412, 0x12345678);
+
+  test_write_int (test_ctx, COGL_PIXEL_FORMAT_RGBA_1010102_PRE,
+                  0x123456ff,
+                  10, 0x12, 10, 0x34, 10, 0x56, 2, 0xff,
+                  -1);
+  test_write_int (test_ctx, COGL_PIXEL_FORMAT_BGRA_1010102_PRE,
+                  0x123456ff,
+                  10, 0x56, 10, 0x34, 10, 0x12, 2, 0xff,
+                  -1);
+  test_write_int (test_ctx, COGL_PIXEL_FORMAT_ARGB_2101010_PRE,
+                  0x123456ff,
+                  2, 0xff, 10, 0x12, 10, 0x34, 10, 0x56,
+                  -1);
+  test_write_int (test_ctx, COGL_PIXEL_FORMAT_ABGR_2101010_PRE,
+                  0x123456ff,
+                  2, 0xff, 10, 0x56, 10, 0x34, 10, 0x12,
+                  -1);
+
+  if (cogl_test_verbose ())
+    g_print ("OK\n");
+}
diff --git a/tests/data/Makefile.am b/tests/data/Makefile.am
new file mode 100644
index 0000000..3a2030a
--- /dev/null
+++ b/tests/data/Makefile.am
@@ -0,0 +1,3 @@
+NULL =
+
+EXTRA_DIST = valgrind.suppressions
diff --git a/tests/data/Makefile.in b/tests/data/Makefile.in
new file mode 100644
index 0000000..d7d6cdb
--- /dev/null
+++ b/tests/data/Makefile.in
@@ -0,0 +1,572 @@
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+# @configure_input@
+
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+VPATH = @srcdir@
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+am__make_running_with_option = \
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+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
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+         exit 1;; \
+  esac; \
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+  if $(am__is_gnu_make); then \
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+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
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+DSYMUTIL = @DSYMUTIL@
+DUMMY_CFLAGS = @DUMMY_CFLAGS@
+DUMMY_LIBS = @DUMMY_LIBS@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+FGREP = @FGREP@
+GDKPIXBUF_PREFIX = @GDKPIXBUF_PREFIX@
+GDK_PIXBUF_REQ_VERSION = @GDK_PIXBUF_REQ_VERSION@
+GETTEXT_MACRO_VERSION = @GETTEXT_MACRO_VERSION@
+GETTEXT_PACKAGE = @GETTEXT_PACKAGE@
+GI_REQ_VERSION = @GI_REQ_VERSION@
+GLIB_BINARY_AGE = @GLIB_BINARY_AGE@
+GLIB_CFLAGS = @GLIB_CFLAGS@
+GLIB_COMPILE_RESOURCES = @GLIB_COMPILE_RESOURCES@
+GLIB_DEBUG_FLAGS = @GLIB_DEBUG_FLAGS@
+GLIB_GENMARSHAL = @GLIB_GENMARSHAL@
+GLIB_INTERFACE_AGE = @GLIB_INTERFACE_AGE@
+GLIB_LIBS = @GLIB_LIBS@
+GLIB_MAJOR_VERSION = @GLIB_MAJOR_VERSION@
+GLIB_MICRO_VERSION = @GLIB_MICRO_VERSION@
+GLIB_MINOR_VERSION = @GLIB_MINOR_VERSION@
+GLIB_MKENUMS = @GLIB_MKENUMS@
+GLIB_PREFIX = @GLIB_PREFIX@
+GLIB_REQ_VERSION = @GLIB_REQ_VERSION@
+GLIB_VERSION = @GLIB_VERSION@
+GMSGFMT = @GMSGFMT@
+GMSGFMT_015 = @GMSGFMT_015@
+GOBJECT_QUERY = @GOBJECT_QUERY@
+GREP = @GREP@
+GSTREAMER_PREFIX = @GSTREAMER_PREFIX@
+GTHREAD_COMPILE_IMPL_DEFINES = @GTHREAD_COMPILE_IMPL_DEFINES@
+GTKDOC_CHECK = @GTKDOC_CHECK@
+GTKDOC_DEPS_CFLAGS = @GTKDOC_DEPS_CFLAGS@
+GTKDOC_DEPS_LIBS = @GTKDOC_DEPS_LIBS@
+GTKDOC_MKPDF = @GTKDOC_MKPDF@
+GTKDOC_REBASE = @GTKDOC_REBASE@
+GTK_DOC_REQ_VERSION = @GTK_DOC_REQ_VERSION@
+G_MODULE_BROKEN_RTLD_GLOBAL = @G_MODULE_BROKEN_RTLD_GLOBAL@
+G_MODULE_HAVE_DLERROR = @G_MODULE_HAVE_DLERROR@
+G_MODULE_IMPL = @G_MODULE_IMPL@
+G_MODULE_LDFLAGS = @G_MODULE_LDFLAGS@
+G_MODULE_LIBS = @G_MODULE_LIBS@
+G_MODULE_LIBS_EXTRA = @G_MODULE_LIBS_EXTRA@
+G_MODULE_NEED_USCORE = @G_MODULE_NEED_USCORE@
+G_MODULE_PLUGIN_LIBS = @G_MODULE_PLUGIN_LIBS@
+G_MODULE_SUPPORTED = @G_MODULE_SUPPORTED@
+G_THREAD_CFLAGS = @G_THREAD_CFLAGS@
+G_THREAD_LIBS = @G_THREAD_LIBS@
+G_THREAD_LIBS_EXTRA = @G_THREAD_LIBS_EXTRA@
+G_THREAD_LIBS_FOR_GTHREAD = @G_THREAD_LIBS_FOR_GTHREAD@
+HAVE_GL = @HAVE_GL@
+HAVE_GLES1 = @HAVE_GLES1@
+HAVE_GLES2 = @HAVE_GLES2@
+HTML_DIR = @HTML_DIR@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+INTLLIBS = @INTLLIBS@
+INTL_MACOSX_LIBS = @INTL_MACOSX_LIBS@
+INTROSPECTION_CFLAGS = @INTROSPECTION_CFLAGS@
+INTROSPECTION_COMPILER = @INTROSPECTION_COMPILER@
+INTROSPECTION_GENERATE = @INTROSPECTION_GENERATE@
+INTROSPECTION_GIRDIR = @INTROSPECTION_GIRDIR@
+INTROSPECTION_LIBS = @INTROSPECTION_LIBS@
+INTROSPECTION_MAKEFILE = @INTROSPECTION_MAKEFILE@
+INTROSPECTION_SCANNER = @INTROSPECTION_SCANNER@
+INTROSPECTION_TYPELIBDIR = @INTROSPECTION_TYPELIBDIR@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LIBICONV = @LIBICONV@
+LIBINTL = @LIBINTL@
+LIBM = @LIBM@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIB_EXE_MACHINE_FLAG = @LIB_EXE_MACHINE_FLAG@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LTLIBICONV = @LTLIBICONV@
+LTLIBINTL = @LTLIBINTL@
+LTLIBOBJS = @LTLIBOBJS@
+MAINTAINER_CFLAGS = @MAINTAINER_CFLAGS@
+MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MKDIR_P = @MKDIR_P@
+MSGFMT = @MSGFMT@
+MSGFMT_015 = @MSGFMT_015@
+MSGMERGE = @MSGMERGE@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PANGOCAIRO_REQ_VERSION = @PANGOCAIRO_REQ_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+POSUB = @POSUB@
+RANLIB = @RANLIB@
+SDL2_CFLAGS = @SDL2_CFLAGS@
+SDL2_LIBS = @SDL2_LIBS@
+SDL_CFLAGS = @SDL_CFLAGS@
+SDL_LIBS = @SDL_LIBS@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+UPROF_REQ_VERSION = @UPROF_REQ_VERSION@
+USE_NLS = @USE_NLS@
+VERSION = @VERSION@
+WAYLAND_CLIENT_CFLAGS = @WAYLAND_CLIENT_CFLAGS@
+WAYLAND_CLIENT_LIBS = @WAYLAND_CLIENT_LIBS@
+WAYLAND_REQ_VERSION = @WAYLAND_REQ_VERSION@
+WAYLAND_SERVER_CFLAGS = @WAYLAND_SERVER_CFLAGS@
+WAYLAND_SERVER_LIBS = @WAYLAND_SERVER_LIBS@
+WAYLAND_SERVER_REQ_VERSION = @WAYLAND_SERVER_REQ_VERSION@
+XCOMPOSITE_REQ_VERSION = @XCOMPOSITE_REQ_VERSION@
+XFIXES_REQ_VERSION = @XFIXES_REQ_VERSION@
+XGETTEXT = @XGETTEXT@
+XGETTEXT_015 = @XGETTEXT_015@
+XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@
+XMKMF = @XMKMF@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+plugindir = @plugindir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+NULL = 
+EXTRA_DIST = valgrind.suppressions
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign tests/data/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign tests/data/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am check check-am clean clean-generic clean-libtool \
+	cscopelist-am ctags-am distclean distclean-generic \
+	distclean-libtool distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags-am uninstall uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/data/valgrind.suppressions b/tests/data/valgrind.suppressions
new file mode 100644
index 0000000..f47498d
--- /dev/null
+++ b/tests/data/valgrind.suppressions
@@ -0,0 +1,173 @@
+{
+   ioctl_1
+   Memcheck:Param
+   ioctl(generic)
+   fun:ioctl
+   fun:driDrawableInitVBlank
+   fun:intelMakeCurrent
+   fun:glXMakeContextCurrent
+}
+
+{
+   ioctl_2
+   Memcheck:Param
+   ioctl(generic)
+   fun:ioctl
+   fun:driDrawableGetMSC32
+   fun:clutter_backend_glx_redraw
+}
+
+{
+   ioctl_3
+   Memcheck:Param
+   ioctl(generic)
+   fun:ioctl
+   fun:driWaitForMSC32
+   fun:clutter_backend_glx_redraw
+}
+
+{
+   mesa_init_context
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:glXCreateNewContext
+}
+
+{
+   type_register
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:g_type_register_*
+}
+
+{
+   type_ref
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:g_type_class_ref
+}
+
+{
+   type_interface_prereq
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:g_type_interface_add_prerequisite
+}
+
+{
+   get_charset
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:g_get_charset
+}
+
+{
+   cogl_features
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:cogl_get_features
+}
+
+{
+   glx_query_version
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:glXQueryVersion
+}
+
+{
+   glx_create_context
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:glXCreateNewContext
+}
+
+{
+   glx_make_current
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:glXMakeContextCurrent
+}
+
+{
+   gl_draw_arrays
+   Memcheck:Leak
+   fun:*malloc
+   ...
+   fun:glDrawArrays
+}
+
+{
+   cogl_clear
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:cogl_clear
+}
+
+{
+   default_font
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:clutter_backend_get_font_name
+}
+
+{
+   id_pool
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:clutter_id_pool_new
+}
+
+{
+   x_open_display
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:XOpenDisplay
+}
+
+# ... and font descriptions from every "sans 12" type string
+{
+   pango_font_description_from_string
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:pango_font_description_from_string
+}
+
+# other lib init
+{
+   fontconfig_init
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:FcConfigParseAndLoad
+}
+
+{
+   freetype_init
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:FT_Open_Face
+}
+
+{
+   x_init_ext
+   Memcheck:Leak
+   fun:*alloc
+   ...
+   fun:XInitExtension
+}
diff --git a/tests/micro-perf/Makefile.am b/tests/micro-perf/Makefile.am
new file mode 100644
index 0000000..5c5f69d
--- /dev/null
+++ b/tests/micro-perf/Makefile.am
@@ -0,0 +1,28 @@
+include $(top_srcdir)/build/autotools/Makefile.am.silent
+
+NULL =
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)
+
+test_conformance_CPPFLAGS = \
+	-DCOGL_ENABLE_EXPERIMENTAL_API \
+	-DCOGL_DISABLE_DEPRECATED \
+	-DTESTS_DATADIR=\""$(top_srcdir)/tests/data"\"
+
+
+noinst_PROGRAMS =
+
+if USE_GLIB
+noinst_PROGRAMS += test-journal
+endif
+
+AM_CFLAGS = $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS)
+
+common_ldadd = \
+	$(COGL_DEP_LIBS) \
+	$(top_builddir)/cogl/libcogl.la \
+	$(LIBM)
+
+test_journal_SOURCES = test-journal.c
+test_journal_LDADD = $(common_ldadd)
diff --git a/tests/micro-perf/Makefile.in b/tests/micro-perf/Makefile.in
new file mode 100644
index 0000000..bca6284
--- /dev/null
+++ b/tests/micro-perf/Makefile.in
@@ -0,0 +1,756 @@
+# Makefile.in generated by automake 1.14.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# custom rules for quiet builds
+
+VPATH = @srcdir@
+am__is_gnu_make = test -n '$(MAKEFILE_LIST)' && test -n '$(MAKELEVEL)'
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstPROGRAMS cscopelist-am ctags \
+	ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/micro-perf/test-journal.c b/tests/micro-perf/test-journal.c
new file mode 100644
index 0000000..35e3cd5
--- /dev/null
+++ b/tests/micro-perf/test-journal.c
@@ -0,0 +1,190 @@
+#include 
+#include 
+#include 
+
+#include "cogl/cogl-profile.h"
+
+#define FRAMEBUFFER_WIDTH 800
+#define FRAMEBUFFER_HEIGHT 600
+
+CoglBool run_all = FALSE;
+
+typedef struct _Data
+{
+  CoglContext *ctx;
+  CoglFramebuffer *fb;
+  CoglPipeline *pipeline;
+  CoglPipeline *alpha_pipeline;
+  GTimer *timer;
+  int frame;
+} Data;
+
+static void
+test_rectangles (Data *data)
+{
+#define RECT_WIDTH 5
+#define RECT_HEIGHT 5
+  int x;
+  int y;
+
+  cogl_framebuffer_clear4f (data->fb, COGL_BUFFER_BIT_COLOR, 1, 1, 1, 1);
+
+  cogl_framebuffer_push_rectangle_clip (data->fb,
+                                        10,
+                                        10,
+                                        FRAMEBUFFER_WIDTH - 10,
+                                        FRAMEBUFFER_HEIGHT - 10);
+
+  /* Should the rectangles be randomly positioned/colored/rotated?
+   *
+   * It could be good to develop equivalent GL and Cairo tests so we can
+   * have a sanity check for our Cogl performance.
+   *
+   * The color should vary to check that we correctly batch color changes
+   * The use of alpha should vary so we have a variation of which rectangles
+   * require blending.
+   *  Should this be a random variation?
+   *  It could be good to experiment with focibly enabling blending for
+   *  rectangles that don't technically need it for the sake of extending
+   *  batching. E.g. if you a long run of interleved rectangles with every
+   *  other rectangle needing blending then it may be worth enabling blending
+   *  for all the rectangles to avoid the state changes.
+   * The modelview should change between rectangles to check the software
+   * transform codepath.
+   *  Should we group some rectangles under the same modelview? Potentially
+   *  we could avoid software transform for long runs of rectangles with the
+   *  same modelview.
+   *
+   */
+  for (y = 0; y < FRAMEBUFFER_HEIGHT; y += RECT_HEIGHT)
+    {
+      for (x = 0; x < FRAMEBUFFER_WIDTH; x += RECT_WIDTH)
+        {
+          cogl_framebuffer_push_matrix (data->fb);
+          cogl_framebuffer_translate (data->fb, x, y, 0);
+          cogl_framebuffer_rotate (data->fb, 45, 0, 0, 1);
+
+          cogl_pipeline_set_color4f (data->pipeline,
+                                     1,
+                                     (1.0f/FRAMEBUFFER_WIDTH)*y,
+                                     (1.0f/FRAMEBUFFER_HEIGHT)*x,
+                                     1);
+          cogl_framebuffer_draw_rectangle (data->fb,
+                                           data->pipeline,
+                                           0, 0, RECT_WIDTH, RECT_HEIGHT);
+
+          cogl_framebuffer_pop_matrix (data->fb);
+        }
+    }
+
+  for (y = 0; y < FRAMEBUFFER_HEIGHT; y += RECT_HEIGHT)
+    {
+      for (x = 0; x < FRAMEBUFFER_WIDTH; x += RECT_WIDTH)
+        {
+          cogl_framebuffer_push_matrix (data->fb);
+          cogl_framebuffer_translate (data->fb, x, y, 0);
+
+          cogl_pipeline_set_color4f (data->alpha_pipeline,
+                                     1,
+                                     (1.0f/FRAMEBUFFER_WIDTH)*x,
+                                     (1.0f/FRAMEBUFFER_HEIGHT)*y,
+                                     (1.0f/FRAMEBUFFER_WIDTH)*x);
+          cogl_framebuffer_draw_rectangle (data->fb,
+                                           data->alpha_pipeline,
+                                           0, 0, RECT_WIDTH, RECT_HEIGHT);
+
+          cogl_framebuffer_pop_matrix (data->fb);
+        }
+    }
+
+  cogl_framebuffer_pop_clip (data->fb);
+}
+
+static CoglBool
+paint_cb (void *user_data)
+{
+  Data *data = user_data;
+  double elapsed;
+
+  data->frame++;
+
+  test_rectangles (data);
+
+  cogl_onscreen_swap_buffers (COGL_ONSCREEN (data->fb));
+
+  elapsed = g_timer_elapsed (data->timer, NULL);
+  if (elapsed > 1.0)
+    {
+      g_print ("fps = %f\n", data->frame / elapsed);
+      g_timer_start (data->timer);
+      data->frame = 0;
+    }
+
+  return FALSE; /* remove the callback */
+}
+
+static void
+frame_event_cb (CoglOnscreen *onscreen,
+                CoglFrameEvent event,
+                CoglFrameInfo *info,
+                void *user_data)
+{
+  if (event == COGL_FRAME_EVENT_SYNC)
+    paint_cb (user_data);
+}
+
+int
+main (int argc, char **argv)
+{
+  Data data;
+  CoglOnscreen *onscreen;
+  GSource *cogl_source;
+  GMainLoop *loop;
+  COGL_STATIC_TIMER (mainloop_timer,
+                      NULL, //no parent
+                      "Mainloop",
+                      "The time spent in the glib mainloop",
+                      0);  // no application private data
+
+  data.ctx = cogl_context_new (NULL, NULL);
+
+  onscreen = cogl_onscreen_new (data.ctx,
+                                FRAMEBUFFER_WIDTH, FRAMEBUFFER_HEIGHT);
+  cogl_onscreen_set_swap_throttled (onscreen, FALSE);
+  cogl_onscreen_show (onscreen);
+
+  data.fb = onscreen;
+  cogl_framebuffer_orthographic (data.fb,
+                                 0, 0,
+                                 FRAMEBUFFER_WIDTH, FRAMEBUFFER_HEIGHT,
+                                 -1,
+                                 100);
+
+  data.pipeline = cogl_pipeline_new (data.ctx);
+  cogl_pipeline_set_color4f (data.pipeline, 1, 1, 1, 1);
+  data.alpha_pipeline = cogl_pipeline_new (data.ctx);
+  cogl_pipeline_set_color4f (data.alpha_pipeline, 1, 1, 1, 0.5);
+
+  cogl_source = cogl_glib_source_new (data.ctx, G_PRIORITY_DEFAULT);
+
+  g_source_attach (cogl_source, NULL);
+
+  cogl_onscreen_add_frame_callback (COGL_ONSCREEN (data.fb),
+                                    frame_event_cb,
+                                    &data,
+                                    NULL); /* destroy notify */
+
+  g_idle_add (paint_cb, &data);
+
+  data.frame = 0;
+  data.timer = g_timer_new ();
+  g_timer_start (data.timer);
+
+  loop = g_main_loop_new (NULL, TRUE);
+  COGL_TIMER_START (uprof_get_mainloop_context (), mainloop_timer);
+  g_main_loop_run (loop);
+  COGL_TIMER_STOP (uprof_get_mainloop_context (), mainloop_timer);
+
+  return 0;
+}
+
diff --git a/tests/run-tests.sh b/tests/run-tests.sh
new file mode 100755
index 0000000..7e62bf0
--- /dev/null
+++ b/tests/run-tests.sh
@@ -0,0 +1,157 @@
+#!/bin/bash
+
+if test -z "$G_DEBUG"; then
+    G_DEBUG=fatal-warnings
+else
+    G_DEBUG="$G_DEBUG,fatal-warnings"
+fi
+
+export G_DEBUG
+
+ENVIRONMENT_CONFIG=$1
+shift
+
+TEST_BINARY=$1
+shift
+
+. $ENVIRONMENT_CONFIG
+
+set +m
+
+trap "" ERR
+trap "" SIGABRT
+trap "" SIGFPE
+trap "" SIGSEGV
+
+EXIT=0
+MISSING_FEATURE="WARNING: Missing required feature";
+KNOWN_FAILURE="WARNING: Test is known to fail";
+
+echo "Key:"
+echo "ok = Test passed"
+echo "n/a = Driver is missing a feature required for the test"
+echo "FAIL = Unexpected failure"
+echo "FIXME = Test failed, but it was an expected failure"
+echo "PASS! = Unexpected pass"
+echo ""
+
+get_status()
+{
+  case $1 in
+      # Special value we use to indicate that the test failed
+      # but it was an expected failure so don't fail the
+      # overall test run as a result...
+      300)
+      echo -n "FIXME";;
+      # Special value we use to indicate that the test passed
+      # but we weren't expecting it to pass‽
+      400)
+      echo -n 'PASS!';;
+
+      # Special value to indicate the test is missing a required feature
+      500)
+      echo -n "n/a";;
+
+      0)
+      echo -n "ok";;
+
+      *)
+      echo -n "FAIL";;
+  esac
+}
+
+run_test()
+{
+  $($TEST_BINARY $1 &>.log)
+  TMP=$?
+  var_name=$2_result
+  eval $var_name=$TMP
+  if grep -q "$MISSING_FEATURE" .log; then
+    if test $TMP -ne 0; then
+      eval $var_name=500
+    else
+      eval $var_name=400
+    fi
+  elif grep -q "$KNOWN_FAILURE" .log; then
+    if test $TMP -ne 0; then
+      eval $var_name=300
+    else
+      eval $var_name=400
+    fi
+  else
+    if test $TMP -ne 0; then EXIT=$TMP; fi
+  fi
+}
+
+TITLE_FORMAT="%35s"
+printf $TITLE_FORMAT "Test"
+
+if test $HAVE_GL -eq 1; then
+  GL_FORMAT=" %6s %8s %7s %6s %6s"
+  printf "$GL_FORMAT" "GL+FF" "GL+ARBFP" "GL+GLSL" "GL-NPT" "GL3"
+fi
+if test $HAVE_GLES2 -eq 1; then
+  GLES2_FORMAT=" %6s %7s"
+  printf "$GLES2_FORMAT" "ES2" "ES2-NPT"
+fi
+
+echo ""
+echo ""
+
+for test in `cat unit-tests`
+do
+  export COGL_DEBUG=
+
+  if test $HAVE_GL -eq 1; then
+    export COGL_DRIVER=gl
+    export COGL_DEBUG=disable-glsl,disable-arbfp
+    run_test $test gl_ff
+
+    export COGL_DRIVER=gl
+    # NB: we can't explicitly disable fixed + glsl in this case since
+    # the arbfp code only supports fragment processing so we need either
+    # the fixed or glsl vertends
+    export COGL_DEBUG=
+    run_test $test gl_arbfp
+
+    export COGL_DRIVER=gl
+    export COGL_DEBUG=disable-fixed,disable-arbfp
+    run_test $test gl_glsl
+
+    export COGL_DRIVER=gl
+    export COGL_DEBUG=disable-npot-textures
+    run_test $test gl_npot
+
+    export COGL_DRIVER=gl3
+    export COGL_DEBUG=
+    run_test $test gl3
+  fi
+
+  if test $HAVE_GLES2 -eq 1; then
+    export COGL_DRIVER=gles2
+    export COGL_DEBUG=
+    run_test $test gles2
+
+    export COGL_DRIVER=gles2
+    export COGL_DEBUG=disable-npot-textures
+    run_test $test gles2_npot
+  fi
+
+  printf $TITLE_FORMAT "$test:"
+  if test $HAVE_GL -eq 1; then
+    printf "$GL_FORMAT" \
+      "`get_status $gl_ff_result`" \
+      "`get_status $gl_arbfp_result`" \
+      "`get_status $gl_glsl_result`" \
+      "`get_status $gl_npot_result`" \
+      "`get_status $gl3_result`"
+  fi
+  if test $HAVE_GLES2 -eq 1; then
+    printf "$GLES2_FORMAT" \
+      "`get_status $gles2_result`" \
+      "`get_status $gles2_npot_result`"
+  fi
+  echo ""
+done
+
+exit $EXIT
diff --git a/tests/test-launcher.sh b/tests/test-launcher.sh
new file mode 100755
index 0000000..e159e2e
--- /dev/null
+++ b/tests/test-launcher.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+TEST_BINARY=$1
+shift
+
+SYMBOL_PREFIX=$1
+shift
+
+UNIT_TEST=$1
+shift
+
+test -z ${UNIT_TEST} && {
+        echo "Usage: $0 UNIT_TEST"
+        exit 1
+}
+
+BINARY_NAME=`basename $TEST_BINARY`
+UNIT_TEST=`echo $UNIT_TEST|sed 's/-/_/g'`
+
+echo "Running: ./$BINARY_NAME ${UNIT_TEST} $@"
+echo ""
+COGL_TEST_VERBOSE=1 $TEST_BINARY ${UNIT_TEST} "$@"
+exit_val=$?
+
+if test $exit_val -eq 0; then
+  echo "OK"
+fi
+
+echo ""
+echo "NOTE: For debugging purposes, you can run this single test as follows:"
+echo "$ libtool --mode=execute \\"
+echo "          gdb --eval-command=\"start\" --eval-command=\"b ${UNIT_TEST#${SYMBOL_PREFIX}}\" \\"
+echo "          --args ./$BINARY_NAME ${UNIT_TEST}"
+echo "or:"
+echo "$ env G_SLICE=always-malloc \\"
+echo "  libtool --mode=execute \\"
+echo "          valgrind ./$BINARY_NAME ${UNIT_TEST}"
+
+exit $exit_val
diff --git a/tests/unit/Makefile.am b/tests/unit/Makefile.am
new file mode 100644
index 0000000..88028b3
--- /dev/null
+++ b/tests/unit/Makefile.am
@@ -0,0 +1,96 @@
+include $(top_srcdir)/build/autotools/Makefile.am.silent
+
+NULL =
+
+noinst_PROGRAMS = test-unit
+
+test_unit_SOURCES = test-unit-main.c
+
+if OS_WIN32
+SHEXT =
+else
+SHEXT = $(EXEEXT)
+endif
+
+# For convenience, this provides a way to easily run individual unit tests:
+.PHONY: wrappers clean-wrappers
+
+wrappers: stamp-test-unit
+	@true
+stamp-test-unit: Makefile test-unit$(EXEEXT)
+	@mkdir -p wrappers
+	source $(top_builddir)/cogl/libcogl.la ; \
+	  $(NM) $(top_builddir)/cogl/.libs/"$$dlname"| \
+	  grep '[DR] _\?unit_test_'|sed 's/.\+ [DR] _\?//' > unit-tests
+	@chmod +x $(top_srcdir)/tests/test-launcher.sh
+	@( echo "/stamp-test-unit" ; \
+	   echo "/test-unit$(EXEEXT)" ; \
+	   echo "*.o" ; \
+	   echo ".gitignore" ; \
+	   echo "unit-tests" ; ) > .gitignore
+	@for i in `cat unit-tests`; \
+	do \
+		unit=`echo $$i | sed -e s/_/-/g | sed s/unit-test-//`; \
+		echo "  GEN    $$unit"; \
+		( echo "#!/bin/sh" ; echo "$(top_srcdir)/tests/test-launcher.sh $(abs_builddir)/test-unit$(EXEEXT) 'unit_test_' '$$i' \"\$$@\"" ) > $$unit$(SHEXT) ; \
+		chmod +x $$unit$(SHEXT); \
+		echo "/$$unit$(SHEXT)" >> .gitignore; \
+	done \
+	&& echo timestamp > $(@F)
+
+clean-wrappers:
+	@for i in `cat unit-tests`; \
+	do \
+		unit=`echo $$i | sed -e s/_/-/g | sed s/unit-test-//`; \
+		echo "  RM     $$unit"; \
+		rm -f $$unit$(SHEXT) ; \
+	done \
+	&& rm -f unit-tests \
+	&& rm -f stamp-test-unit
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+BUILT_SOURCES = wrappers
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+AM_CPPFLAGS += -I$(top_builddir)/deps/glib
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+
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+
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+	$(COGL_DEP_LIBS) \
+	$(top_builddir)/cogl/libcogl.la \
+	$(LIBM)
+if !USE_GLIB
+test_unit_LDADD += $(top_builddir)/deps/glib/libglib.la
+endif
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+
+test: wrappers
+	@$(top_srcdir)/tests/run-tests.sh $(abs_builddir)/../config.env $(abs_builddir)/test-unit$(EXEEXT)
+
+# XXX: we could prevent the unit test suite from running
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+
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+
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+
+# we override the clean-generic target to clean up the wrappers so
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+clean-generic: clean-wrappers
+	$(QUIET_RM)rm -f .log
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+QUIET_SCAN_0 = @echo '  GISCAN '$@;
+QUIET_COMP = $(QUIET_COMP_$(V))
+QUIET_COMP_ = $(QUIET_COMP_$(AM_DEFAULT_VERBOSITY))
+QUIET_COMP_0 = @echo '  GICOMP '$@;
+NULL = 
+test_unit_SOURCES = test-unit-main.c
+@OS_WIN32_FALSE@SHEXT = $(EXEEXT)
+@OS_WIN32_TRUE@SHEXT = 
+
+# NB: BUILT_SOURCES here a misnomer. We aren't building source, just inserting
+# a phony rule that will generate symlink scripts for running individual tests
+BUILT_SOURCES = wrappers
+
+# The include of the $(buildir)/cogl directory here is to make it so
+# that tests that directly include Cogl source code for whitebox
+# testing (such as test-bitmask) will still compile
+AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/test-fixtures \
+	-I$(top_builddir)/cogl $(am__append_1) \
+	-DCOGL_DISABLE_DEPRECATED \
+	-DTESTS_DATADIR=\""$(top_srcdir)/tests/data"\" \
+	-DCOGL_COMPILATION
+test_unit_CFLAGS = -g3 -O0 $(COGL_DEP_CFLAGS) $(COGL_EXTRA_CFLAGS)
+test_unit_LDADD = $(COGL_DEP_LIBS) $(top_builddir)/cogl/libcogl.la \
+	$(LIBM) $(am__append_2)
+test_unit_LDFLAGS = -export-dynamic
+
+# XXX: we could prevent the unit test suite from running
+#      by simply defining this variable conditionally
+TEST_PROGS = test-unit
+DISTCLEANFILES = .gitignore
+all: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(top_srcdir)/build/autotools/Makefile.am.silent $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign tests/unit/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign tests/unit/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+$(top_srcdir)/build/autotools/Makefile.am.silent:
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstPROGRAMS:
+	@list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+test-unit$(EXEEXT): $(test_unit_OBJECTS) $(test_unit_DEPENDENCIES) $(EXTRA_test_unit_DEPENDENCIES) 
+	@rm -f test-unit$(EXEEXT)
+	$(AM_V_CCLD)$(test_unit_LINK) $(test_unit_OBJECTS) $(test_unit_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test_unit-test-unit-main.Po@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+test_unit-test-unit-main.o: test-unit-main.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_unit_CFLAGS) $(CFLAGS) -MT test_unit-test-unit-main.o -MD -MP -MF $(DEPDIR)/test_unit-test-unit-main.Tpo -c -o test_unit-test-unit-main.o `test -f 'test-unit-main.c' || echo '$(srcdir)/'`test-unit-main.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/test_unit-test-unit-main.Tpo $(DEPDIR)/test_unit-test-unit-main.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test-unit-main.c' object='test_unit-test-unit-main.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_unit_CFLAGS) $(CFLAGS) -c -o test_unit-test-unit-main.o `test -f 'test-unit-main.c' || echo '$(srcdir)/'`test-unit-main.c
+
+test_unit-test-unit-main.obj: test-unit-main.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_unit_CFLAGS) $(CFLAGS) -MT test_unit-test-unit-main.obj -MD -MP -MF $(DEPDIR)/test_unit-test-unit-main.Tpo -c -o test_unit-test-unit-main.obj `if test -f 'test-unit-main.c'; then $(CYGPATH_W) 'test-unit-main.c'; else $(CYGPATH_W) '$(srcdir)/test-unit-main.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/test_unit-test-unit-main.Tpo $(DEPDIR)/test_unit-test-unit-main.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='test-unit-main.c' object='test_unit-test-unit-main.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(test_unit_CFLAGS) $(CFLAGS) -c -o test_unit-test-unit-main.obj `if test -f 'test-unit-main.c'; then $(CYGPATH_W) 'test-unit-main.c'; else $(CYGPATH_W) '$(srcdir)/test-unit-main.c'; fi`
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+install: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: all check install install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstPROGRAMS cscopelist-am ctags \
+	ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am
+
+
+# For convenience, this provides a way to easily run individual unit tests:
+.PHONY: wrappers clean-wrappers
+
+wrappers: stamp-test-unit
+	@true
+stamp-test-unit: Makefile test-unit$(EXEEXT)
+	@mkdir -p wrappers
+	source $(top_builddir)/cogl/libcogl.la ; \
+	  $(NM) $(top_builddir)/cogl/.libs/"$$dlname"| \
+	  grep '[DR] _\?unit_test_'|sed 's/.\+ [DR] _\?//' > unit-tests
+	@chmod +x $(top_srcdir)/tests/test-launcher.sh
+	@( echo "/stamp-test-unit" ; \
+	   echo "/test-unit$(EXEEXT)" ; \
+	   echo "*.o" ; \
+	   echo ".gitignore" ; \
+	   echo "unit-tests" ; ) > .gitignore
+	@for i in `cat unit-tests`; \
+	do \
+		unit=`echo $$i | sed -e s/_/-/g | sed s/unit-test-//`; \
+		echo "  GEN    $$unit"; \
+		( echo "#!/bin/sh" ; echo "$(top_srcdir)/tests/test-launcher.sh $(abs_builddir)/test-unit$(EXEEXT) 'unit_test_' '$$i' \"\$$@\"" ) > $$unit$(SHEXT) ; \
+		chmod +x $$unit$(SHEXT); \
+		echo "/$$unit$(SHEXT)" >> .gitignore; \
+	done \
+	&& echo timestamp > $(@F)
+
+clean-wrappers:
+	@for i in `cat unit-tests`; \
+	do \
+		unit=`echo $$i | sed -e s/_/-/g | sed s/unit-test-//`; \
+		echo "  RM     $$unit"; \
+		rm -f $$unit$(SHEXT) ; \
+	done \
+	&& rm -f unit-tests \
+	&& rm -f stamp-test-unit
+
+test: wrappers
+	@$(top_srcdir)/tests/run-tests.sh $(abs_builddir)/../config.env $(abs_builddir)/test-unit$(EXEEXT)
+
+.PHONY: test
+
+# we override the clean-generic target to clean up the wrappers so
+# we cannot use CLEANFILES
+clean-generic: clean-wrappers
+	$(QUIET_RM)rm -f .log
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/tests/unit/test-unit-main.c b/tests/unit/test-unit-main.c
new file mode 100644
index 0000000..b1f7864
--- /dev/null
+++ b/tests/unit/test-unit-main.c
@@ -0,0 +1,45 @@
+#include 
+
+#include 
+
+#include 
+#include 
+
+int
+main (int argc, char **argv)
+{
+  GModule *main_module;
+  const CoglUnitTest *unit_test;
+  int i;
+
+  if (argc != 2)
+    {
+      g_printerr ("usage %s UNIT_TEST\n", argv[0]);
+      exit (1);
+    }
+
+  /* Just for convenience in case people try passing the wrapper
+   * filenames for the UNIT_TEST argument we normalize '-' characters
+   * to '_' characters... */
+  for (i = 0; argv[1][i]; i++)
+    {
+      if (argv[1][i] == '-')
+        argv[1][i] = '_';
+    }
+
+  main_module = g_module_open (NULL, /* use main module */
+                               0 /* flags */);
+
+  if (!g_module_symbol (main_module, argv[1], (void **) &unit_test))
+    {
+      g_printerr ("Unknown test name \"%s\"\n", argv[1]);
+      return 1;
+    }
+
+  test_utils_init (unit_test->requirement_flags,
+                   unit_test->known_failure_flags);
+  unit_test->run ();
+  test_utils_fini ();
+
+  return 0;
+}
-- 
2.30.2


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diff --git a/po/eu.po b/po/eu.po
new file mode 100644
index 0000000..e26fe5e
--- /dev/null
+++ b/po/eu.po
@@ -0,0 +1,369 @@
+# translation of cogl.po.master.po to Basque
+# Basque translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+#
+# Iñaki Larrañaga Murgoitio , 2011, 2013.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl.po.master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2013-04-03 23:10+0200\n"
+"Last-Translator: Iñaki Larrañaga Murgoitio \n"
+"Language-Team: Basque \n"
+"Language: eu\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Lokalize 1.4\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Arazketaren onartutako balioak:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Arazketaren balio bereziak:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Egitekorik ez duten arazketaren aukera guztiak gaitzen ditu"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Inguruneko aldagai gehigarriak:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"GL hedapenen komaz bereiztutako zerrenda desgaituta daudela itxura egiteko"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Gainidatzi GL bertsioa kontrolatzaileak onartzen duela Cogl-ek uste izateko"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl-en arazketaren banderak ezartzeko"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl arazketarako banderak kentzeko"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl-en aukerak"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Erakutsi Cogl-en aukerak"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl-en aztarnen jarraipena"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject-en erreferentziak"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "CoglObjects-en erreferentziak zenbatzeko arazoen arazketa"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Testura zatitzailearen aztarna"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "Araztu testura zatien sorrera"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Atlas testuren aztarna"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Araztu atlas testuraren kudeaketa"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Nahasketaren kateen aztarna"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Araztu CoglBlendString analisia"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Egunkariaren aztarna"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Ikusi egunkaritik zehar doan geometria guztia"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Batch tratamenduaren aztarna"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Erakutsi geometria nola lantzen den batch bidez egunkarian"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Matrizeen aztarna"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Matrizeen manipulazio guztiaren aztarnak jarraitu"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Hainbat marrazkiren aztarna"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Marrazketaren eragiketa desberdin batzuen aztarnak jarraitu"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Pango errendatzailearen aztarna"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Cogl-en Pango errendatzailearen aztarnak jarraitu"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "CoglTexturePixmap motorraren aztarna"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Cogl-en testuren pixmapen motorraren aztarnak jarraitu"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Bistaratu"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Ingerada laukizuzenei"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Gehitu harizko ingeradak laukizuzen motako geometria guztiei"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Erakutsi burdin-haria"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Gehitu harizko ingeradak geometria guztiei"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Kausa nagusia"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Desgaitu egunkarian batch-ean lantzea"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Desgaitu geometriaren batch prozesua Cogl-ren egunkarian."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Desgaitu GL Vertex bufferrak"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Desgaitu OpenGL vertex-en bufferreko objektuak erabiltzea"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Desgaitu GL Pixel bufferrak"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Desgaitu OpenGL pixelen bufferreko objektuak erabiltzea"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Desgaitu laukizuzena software bidez eraldatzea"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Erabili PUGa laukizuzenen geometria eraldatzeko"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl-en aditua"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Irauli atlas irudiak"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Irauli atlas testuren aldaketak irudi-fitxategi batera"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Desgaitu atlas testurak"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Desgaitu atlas testurak erabiltzea"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Desgaitu atlas testurak testu eta irudien artean partekatzea"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Hau ezartzen denean, glifoen cachea beti erabiliko du bereiztutako testura "
+"bat bere atlas-arentzako. Bestela, atlas-a irudiekin partekatzen saiatuko da."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Desgaitu testurak"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Desgaitu testurak edozein primitibotan"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Desgaitu arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Desgaitu ARB zatien programak erabiltzea"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Desgaitu finkatua"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Desgaitu finkatutako funtzioaren kanalizazioaren motorra erabiltzea"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Desgaitu GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Desgaitu GLSL erabiltzea"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Desgaitu nahastea"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Desgaitu nahasketa erabiltzea"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Desgaitu biren berredurarik gabeko testurak"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"GL kontrolatzaileak NPOT testurak ez dituela onartzen sineztarazten dio Cogl-"
+"eri, eta ondorioz, zatitutako testurak edo zaborrak dituzten testurak "
+"sortuko ditu."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Desgaitu software bidez moztea"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Desgaitu Cogl-eren saiakerak laukizuzen batzuk software bidez mozteko"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Erakutsi iturburua"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Erakutsi sortutako ARBfp/GLSL iturburuaren kodea"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "OpenGL batzuen aztarna"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Hautatutako OpenGL dei batzuen aztarnak jarraitu"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Pantailaz kanpoko euskarriaren aztarna"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Araztu pantailaz kanpoko euskarria"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Desgaitu programaren cacheak"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Desgaitu arbfp eta glsl programen modu seguruaren cacheak"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Desgaitu pixel irakurketa optimizatzea"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Desgaitu optimizazioa laukizuzen opakoren eszena bakunen 1px irakurtzeko"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Mozketaren aztarna"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+"Cogl-ek mozketa nola lantzen duen buruzko informazioa erregistratzen du"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Errendimenduaren arazoen aztarnak"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Cogl-ren erabilera azpi-optimoa nabarmentzen saiatzen da"
diff --git a/po/fa.gmo b/po/fa.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..ea7de7eb65c6936d9d0943f96a7eb29a6b7ee99f
GIT binary patch
literal 930
zcmbu6&ubGw6vtPs2*Hb9{lU9=sFUnAq1M%^X_`VHF(FAs@F3I8WU{i^3A3}+_T-^W
zE99#GLTD+5h8{eKe}l)_6g>1V@r}_&4|;Ln!<(7+-uHcH_uKWk_ZF_p$W3Gwxq<|U
zS^LOUh3~E0SEWtTT+J|MSJEMuPDLo^M~WtUDODF=E;In!}x$iDee1
zEUO@R0M(xIMHo#FEw&MJ?uQ)O0p$@W0TEMw&BdX~Hag-p{Lm6VwQ5qlVxA(U7J0^G
zg!(RcW>}X-ipf-+^@LQU5^=vpR$?BJrf{L7RL{+1(80DJ1T@V<(Pe2Nd4`49^%4_l
zkNb~%QnX@EEqg(%j9RVQBn8Q+c?Vggin*|0J2_(CBX$m)oSV(f+m3BxA*r)X-}sr;
zImEtC>_u=KcVThf&SvdY8C{a5q+t|LC8P^^Nuv%_L>$pgA0Bq6n>01oPk5L5LE01D
zN7xwhm~uv%jCNh9nYYvM{Mv<7rBo@-zKN5zQw4#K3vu374~;AKMrC>d^}`3?b*RMe
zyS(09BTKV7iMU4q0}hn
zE2RR|i?#KYGH$ACGns~nrN;_W4=%*2jV7$gNRLkkNk7>;dpk(>^zd{5lY?Y`GD>!=
z
R=kXufXwEp$C-BdQd, 2011.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-09-06 11:26+0330\n"
+"Last-Translator: Arash Mousavi \n"
+"Language-Team: Persian\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Poedit-Language: Persian\n"
+"X-Poedit-Country: IRAN, ISLAMIC REPUBLIC OF\n"
+"X-Poedit-SourceCharset: utf-8\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "پرچم‌های اشکال‌زدایی کوگل جهت تنظیم"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "پرچم‌های اشکال‌زدایی کوگل جهت خارج کردن از تنظیم"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "گزینه‌های کوگل"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "نمایش گزینه‌های کوگل"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
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diff --git a/po/fr.po b/po/fr.po
new file mode 100644
index 0000000..c89ec67
--- /dev/null
+++ b/po/fr.po
@@ -0,0 +1,375 @@
+# French translation for cogl.
+# Copyright (C) 2011-12 Listed translators
+# This file is distributed under the same license as the cogl package.
+# Claude Paroz , 2011
+# Andre Matuch , 2012
+# Bruno Brouard , 2012
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-04-30 18:04+0100\n"
+"Last-Translator: Pierre Henry \n"
+"Language-Team: GNOME French team \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Valeurs de débogage prises en charge :"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Valeurs de débogage spéciales :"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Active toutes les options de débogage non-associées au comportement"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variables d'environnement supplémentaires :"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Liste d'extensions GL séparées par des points-virgules pour lesquelles il "
+"faut faire comme si elles étaient désactivées"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Passer outre la version de GL que Cogl supposera que le pilote prend en "
+"charge"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Drapeaux de débogage Cogl à définir"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Drapeaux de débogage Cogl à annuler"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Options Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Affiche les options Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Traçage de Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Références CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Débogue les problèmes de comptage de référence pour les CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Tracer le découpage des texture"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "Débogue la création des tranches de texture"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Tracer les textures atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Débogue la gestion des textures atlas"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Tracer les chaînes de Blend"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Débogue l'analyse des CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Tracer le journal"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Affiche toute la géométrie transmise au journal"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Tracer le traitement par lot"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Affiche comment la géométrie est traitée par lot dans le journal"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Tracer les matrices"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Trace toutes les manipulations de matrice"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Tracer les dessins divers"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Trace des opérations de dessin divers"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Tracer le rendu Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Trace le rendu Pango de Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Tracer le moteur CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Trace le moteur pixmap des textures Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualiser"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Entourer les rectangles"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Ajoute des contours filaires à toute géométrie rectangulaire"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Afficher les structures en mode filaire"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Ajoute des contours filaires à toute géométrie"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Cause principale"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Désactiver le traitement par lot du journal"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Désactive le traitement par lot de la géométrie dans le journal Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Désactiver les buffers des sommets GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Désactive l'utilisation des objets du buffer des sommets OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Désactiver les buffers des pixels GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Désactive l'utilisation des objets du buffer des pixels OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Désactiver la transformation rectangulaire du logiciel"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+"Utilise le processeur graphique pour transformer la géométrie rectangulaire"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Spécialiste Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Vider les images de l'atlas"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Vide les modifications de l'atlas des textures dans un fichier d'image"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Désactiver l'enregistrement dans l'atlas des textures"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Désactive l'utilisation de l'enregistrement dans l'atlas des textures"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+"Désactiver le partage de l'atlas des textures entre le texte et les images"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Lorsque ceci est activé, la cache des glyphes tentera toujours d'utiliser "
+"une texture séparée pour son atlas. Autrement, elle tentera de partager "
+"l'atlas avec les images."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Désactiver l'utilisation de texture"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Désactive l'utilisation de texture pour toute primitive"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Désactiver arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Désactive l'utilisation de programmes fragmentés ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Désactiver fixés"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Désactive l'utilisation du moteur de pipeline de la fonction fixée"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Désactiver GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Désactive l'utilisation de GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Désactiver les mélanges"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Désactive l'utilisation des mélanges"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Désactiver les textures non-puissance de deux"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Fait penser à Cogl que le pilote GL ne supporte pas les textures NPOT pour "
+"qu'il crée des textures tranchées ou des textures avec les déchets."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Désactiver la coupure logiciel"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Empêche toute tentative de Cogl de couper certains rectangles dans les "
+"logiciels."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Afficher la source"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Affiche le code source ARBfp/GLSL produit"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Tracer quelques OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Trace quelques appels OpenGL sélectionnés"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Tracer la prise en charge hors-écran"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Débogue la prise en charge hors-écran"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Désactiver les caches de programme"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Désactive les caches d'urgence pour les programmes arbfp et glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Désactiver l'optimisation de lecture de pixel"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Désactive l'optimisation de la lecture d'un pixel de scènes simples de "
+"rectangles opaques"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Tracer la coupure"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+"Enregistre les informations sur la façon dont Cogl met en œuvre la coupure"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Tracer les problèmes de performances"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Essaie de mettre en évidence l'utilisation sous-optimale de Cogl."
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z#Qk8=Gnwtne86TpF-P&q4WJR%, 2011.
+# Fran Diéguez , 2011, 2012.
+# Leandro Regueiro , 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-15 21:15+0200\n"
+"Last-Translator: Leandro Regueiro \n"
+"Language-Team: Galego \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+"X-Generator: Lokalize 1.0\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Valores de depuración admitidos:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Valores de depuración especiais:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Activa todas as opcións de depuración que non son de comportamento"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variábeis de ambiente adicionais:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Lista separada por comas de extensións de GL que se vai supoñer que están "
+"desactivadas"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Anula a versión de GL que Cogl asumirá que o controlador admite"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Opcións de depuración de Cogl que activar"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Opcións de depuración de Cogl que desactivar"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opcións de Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Mostrar as opcións de Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Rastrexar Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Referencias de CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Depurar problemas de conta de referencias para CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Rastrexar a segmentación de texturas"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "depurar a creación de segmentos de texturas"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Rastrexar texturar atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Depurar a xestión de texturas atlas"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Rastrexar cadeas de mestura"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Depurar a análise de CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Rastrexar diario"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Ver toda a xeometría que pasa a través do diario"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Rastrexar proceso por lotes"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Mostrar como se procesa por lotes a xeometría no diario"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Rastrexar matrices"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Rastrexar toda a manipulación de matrices"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Rastrexar debuxo variado"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Rastrexar algunhas operacións de debuxo variadas"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Rastrexar o debuxo de Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Rastrexar o debuxo de Pango de Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Rastrexar a infraestrutura CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Rastrexar a infraestrutura do mapa de píxeles da textura de Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualizar"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Debuxar o contorno dos rectángulos"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Engadir contorno de trazos para toda a xeometría rectangular"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Mostrar trazos de liñas (wireframes)"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Engadir contorno de trazos para toda a xeometría"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Causa raíz"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Desactivar o proceso por lotes no diario"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Desactivar o proceso por lotes da xeometría no diario de Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Desactivar os búferes vertex de GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Desactivar o uso de obxectos de búfer vertex de OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Desactivar os búferes de píxel GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Desactivar o uso de obxectos de búfer de píxeles de OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Desactivar a transformación de rectas por software"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Usar a GPU para transformar xeometría rectangular"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Especialista de Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Envorcar atlas de imaxes"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Envorcar os cambios na textura de atlas nun ficheiro de imaxe"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Desactivar os atlas de texturas"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Desactivar o uso de atlas de texturas"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Desactivar a compartición de atlas de texturas entre texto e imaxes"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Cando isto está definido, a caché de glyph usará sempre unha textura "
+"separada para o seu atlas. Senón tentará compartir o atlas coas imaxes."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Desactivar texturizado"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Desactivar texturizado de calquera primitiva"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Desactivar arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Desactivar o uso de programas de fragmentos ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Desactivar a función fixa"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Desactivar o uso da infraestrutura da tubería da función fixa"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Desactivar GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Desactivar o uso de GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Desactivar a mestura"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Desactivar o uso de mestura"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Desactivar as texturas que non sexan potencias de dous"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Fai que Cogl crea que o controlador de GL non admite texturas NPOT, polo que "
+"creará texturas segmentadas ou texturas con residuos"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Desactivar recorte por software"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Desactiva os intentos de Cogl de recortar algúns rectángulos por software."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Mostrar código fonte"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Mostrar o código fonte ARBfp/GLSL xerado"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Rastrexar algunhas OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Rastrexa algunhas chamadas de selección de OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Rastrexar a compatibilidade para fóra da pantalla"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Depurar a compatibilidade para fóra da pantalla"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Desactivar as cachés dos programas"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Desactivar as cachés alternativas para programas arbfp e glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Desactivar a optimización de lectura de píxel"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Desactivar a optimización de lectura de 1px para escenas simples de "
+"rectángulos opacos"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Rastrexar recortes"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Rexistra información sobre como Cogl está implementando o recorte"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Rastrexar problemas de rendemento"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Tenta realzar o uso non óptimo de Cogl."
diff --git a/po/he.gmo b/po/he.gmo
new file mode 100644
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zDfm9EPxK!)v?^wNirgpEsb>0JTAoz9^^cR4^2E-A^7_X~@ddU1akBn#vi@, 2011.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Cogl\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-13 23:21+0200\n"
+"Last-Translator: Yaron Shahrabani \n"
+"Language-Team: Hebrew \n"
+"Language: he\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Poedit-Language: Hebrew\n"
+"X-Poedit-Country: ISRAEL\n"
+"X-Poedit-SourceCharset: UTF-8\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Supported debug values:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Special debug values:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Enables all non-behavioural debug options"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "משתנים סביבתיים נוספים:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "רשימה מופרדת בפסיקים של הרחבות GL כדי להעמיד פנים שהן מנוטרלות"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "דריסת גרסת ה־GL ש־Cogl יניח שמנהל ההתקן תומך בהן"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl debugging flags to set"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl debugging flags to unset"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl Options"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Show Cogl options"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl Tracing"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject references"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Debug ref counting issues for CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Trace Texture Slicing"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "debug the creation of texture slices"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Trace Atlas Textures"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Debug texture atlas management"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Trace Blend Strings"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Debug CoglBlendString parsing"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Trace Journal"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "View all the geometry passing through the journal"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Trace Batching"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Show how geometry is being batched in the journal"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Trace matrices"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Trace all matrix manipulation"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Trace Misc Drawing"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Trace some misc drawing operations"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Trace Pango Renderer"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Trace the Cogl Pango renderer"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Trace CoglTexturePixmap backend"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Trace the Cogl texture pixmap backend"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualize"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Outline rectangles"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Add wire outlines for all rectangular geometry"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Show wireframes"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Add wire outlines for all geometry"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Root Cause"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Disable Journal batching"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Disable batching of geometry in the Cogl Journal."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Disable GL Vertex Buffers"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Disable use of OpenGL vertex buffer objects"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Disable GL Pixel Buffers"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Disable use of OpenGL pixel buffer objects"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Disable software rect transform"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Use the GPU to transform rectangular geometry"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl Specialist"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Dump atlas images"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Dump texture atlas changes to an image file"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Disable texture atlasing"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Disable use of texture atlasing"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Disable sharing the texture atlas between text and images"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Disable texturing"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Disable texturing any primitives"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Disable arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Disable use of ARB fragment programs"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Disable fixed"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Disable use of the fixed function pipeline backend"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Disable GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Disable use of GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Disable blending"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Disable use of blending"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Disable non-power-of-two textures"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Disable software clipping"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Disables Cogl's attempts to clip some rectangles in software."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Show source"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Show generated ARBfp/GLSL source code"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Trace some OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Traces some select OpenGL calls"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Trace offscreen support"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Debug offscreen support"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Disable program caches"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Disable fallback caches for arbfp and glsl programs"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Disable read pixel optimization"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Trace clipping"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Logs information about how Cogl is implementing clipping"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Trace performance concerns"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Tries to highlight sub-optimal Cogl usage."
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z32wW<1y0CX, 2012.
+# rajesh , 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-19 17:46+0530\n"
+"Last-Translator: rajesh \n"
+"Language-Team: Hindi \n"
+"Language: hi\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Lokalize 1.2\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "समर्थित डीबग मान:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "विशेष डीबग मानों:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "सभी गैर-व्यवहारिक डिबग विकल्प सक्रीय"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "अतिरिक्त वातावरण चर:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "GL एक्सटेंशन का कौमा से पृथक सूची जिसे प्रीटेंड किया जाना है निष्क्रिय किया गया है"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "GL संस्करण को अधिरोहित करें जो Cogl ड्राइवर के समर्थन को लेगा"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl डिबगिंग फ्लैग सेट किया जाना है"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl डिबगिंग फ्लैग अनसेट किया जाना है"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl विकल्प"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl विकल्प दिखाएँ"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl ट्रैस कर रहा है"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject सन्दर्भ"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "CoglObjects के लिए रेफ गणना मुद्दों डीबग करें"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "संरचना स्लाइसिंग संरचना स्लाइसिंग का पता लगायें"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "संरचना स्लाइस की रचना को डीबग करें"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "ऐटलस संरचना का पता लगायें"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "संरचना एटलस प्रबंधन को डीबग करें"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "मिश्रण लडियाँ का पता लगायें"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "CoglBlendString पारसिंग डीबग करें"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "पत्रिका का पता लगायें"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "पत्रिका के माध्यम से गुजरते ज्यामिति को देखें"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "प्रचयन का पता लगायें"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "दिखाएँ कि कैसे पत्रिका में ज्यामिति का प्रचय किया जा रहा है"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "मेट्रिसेस ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "सारे मैट्रिक्स परिवर्तन ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "विभिन्न आरेखण को ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "कुछ विभिन्न आरेखण संचालन को ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Pango Renderer को ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Cogl Pango renderer को ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Cogl बनावट पिक्समेप बैकएंड को ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Cogl बनावट पिक्समेप बैकएंड को ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "कल्पना करें"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "आयतों की रूपरेखा"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "सारे आयताकार ज्यामिति के लिए तार रूपरेखा जोड़ें"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "wireframes दिखाएँ"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "सारे ज्यामिति के लिए तार रूपरेखा जोड़ें"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "मूल कारण"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "पत्रिका प्रचयन अक्षम करें"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Cogl पत्रिका में ज्यामिति के प्रचय अक्षम करें."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "GL शीर्ष उद्धरण को अक्षम करें"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "GL शीर्ष उद्धरण ऑब्जेक्ट के प्रयोग को अक्षम करें"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "GL पिक्सेल उद्धरण अक्षम करें"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "GL पिक्सेल उद्धरण ऑब्जेक्ट के प्रयोग को अक्षम करें"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "सॉफ़्टवेयर रेक्ट बदलना अक्षम करें"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "आयताकार ज्यामिति रूपांतरण हेतु GPU का उपयोग करें"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "cogl विशेषज्ञ"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "एटलस के छवियों को डंप करें"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "एटलस के संरचना को छवि फाइल में बदल कर डंप करें"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "संरचना atlasing निष्क्रिय करें"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "संरचना atlasing के उपयोग हेतु निष्क्रिय करें"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "पाठ और छवियों के बीच एटलस की संरचना को साझा करने के लिए निष्क्रिय करें"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"जब यह सेट है कि ग्लिफ़ कैश इस एटलस के लिए हमेशा एक अलग बनावट का उपयोग करेगा. अन्यथा "
+"यह छवियों के साथ एटलस को साझा करने की कोशिश करेंगे."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "टेक्सचरिंग निष्क्रिय करें"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "कोई पुरातन टेक्सचरिंग निष्क्रिय करें"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "arbfp अक्षम"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "ARB खंडित प्रोग्राम्स के उपयोग हेतु निष्क्रिय करें"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "तय निष्क्रिय करें"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "निश्चित फ़ंक्शन पाइपलाइन बैकएंड का उपयोग निष्क्रिय करें"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "GLSL अक्षम"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "GLSL का उपयोग अक्षम"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "ब्लेंडिंग अक्षम"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "ब्लेंडिंग का उपयोग अक्षम"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "दो संरचना के गैर सत्ता को अक्षम करें"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Cogl को लगता है की GL  ड्राइवर NPOT बनावट का समर्थन नहीं करता है इसीलिए यह कचरे के "
+"साथ कटा हुआ बनावट या बनावट के बजाय पैदा करने के लिए बनाएगा."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "सॉफ़्टवेयर क्लिपिंग अक्षम"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Cogl द्वारा सॉफ़्टवेयर में कुछ आयतों को क्लिप करने के प्रयास को अक्षम करता है."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "स्रोत दिखाएँ"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "उत्पन्न ARBfp/GLSL स्रोत कोड दिखाएँ"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "कुछ OpenGL को ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "कुछ चयनित OpenGL कॉलस को ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "offscreen समर्थन को ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "offscreen समर्थन को डिबग करें"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "प्रोग्राम कैश अक्षम करें"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "arbfp और glsl प्रोग्राम्स के लिए प्रोग्राम कैश अक्षम करें"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "पिक्सेल अनुकूलन के पढने हेतु अक्षम करें"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr "अपारदर्शी आयत की सरल दृश्यों के लिए 1px पढ़ने के लिए अनुकूलन को अक्षम करें"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "क्लिपिंग ट्रेस करें"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Cogl क्लिपिंग को कैसे लागू कर है के बारे में जानकारी लॉग्स करें"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "ट्रेस प्रदर्शन मुद्दे"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "उप अनुकूलित Cogl प्रयोग को आलोकित करने की कोशिश करता है."
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diff --git a/po/hu.po b/po/hu.po
new file mode 100644
index 0000000..6706dcc
--- /dev/null
+++ b/po/hu.po
@@ -0,0 +1,371 @@
+# Hungarian translation of cogl
+# Copyright (C) 2011. Free Software Foundation, Inc.
+# This file is distributed under the same license as the cogl package.
+#
+# Gabor Kelemen , 2011, 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-05 00:49+0200\n"
+"Last-Translator: Gabor Kelemen \n"
+"Language-Team: Hungarian \n"
+"Language: hu\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Lokalize 1.4\n"
+"Plural-Forms:  nplurals=2; plural=(n != 1);\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Támogatott hibakeresési értékek:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Speciális hibakeresési értékek:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+"Minden nem viselkedéssel kapcsolatos hibakeresési lehetőség engedélyezése"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "További környezeti változók:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"GL kiterjesztések vesszőkkel elválasztott listája, amelyek letiltása "
+"szimulálandó"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"A GL verzió felülbírálása, amelyről a Cogl feltételezi, hogy támogatott"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Beállítandó Cogl hibakereső jelzők"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Törlendő Cogl hibakereső jelzők"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl beállításai"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl beállításainak megjelenítése"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl követése"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject referenciák"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Referenciaszámlálási problémák hibakeresése CoglObject-ekhez"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Textúraszeletelés követése"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "textúraszeletek létrehozásának hibakeresése"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Atlas textúrák követése"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Textúrák Atlas-kezelésének hibakeresése"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Blend karakterláncok követése"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "A CoglBlendString feldolgozás hibakeresése"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Napló követése"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "A naplón átmenő összes geometria megjelenítése"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Kötegelés követése"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "A geometria naplóban történő kötegelésének megjelenítése"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Mátrixok követése"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Minden mátrixmanipuláció követése"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Egyéb rajzolás követése"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Néhány egyéb rajzolási művelet követése"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Pango megjelenítő követése"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "A Cogl Pango megjelenítő követése"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "A CoglTexturePixmap háttérprogram követése"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "A Cogl textúrabitkép háttérprogram követése"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Vizualizáció"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Téglalapok kiemelése"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Drótkörvonalak hozzáadása minden téglalap alapú geometriához"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Drótvázak megjelenítése"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Drótvázkörvonalak hozzáadása minden geometriához"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Kiváltó ok"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Naplókötegelés letiltása"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Geometria kötegelésének letiltása a Cogl naplóban."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "GL vertexpufferek letiltása"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "OpenGL vertexpuffer objektumok használatának letiltása"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "GL pixelpufferek letiltása"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "OpenGL pixelpuffer objektumok használatának letiltása"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Szoftveres téglalap-átalakítás letiltása"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "A GPU használata a négyzet alapú geometria átalakításához"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl specialista"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Atlas képek kiíratása"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Textúra Atlas változtatások kiíratása képfájlba"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Textúra Atlas letiltása"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Textúra Atlas használatának letiltása"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "A textúra Atlas megosztásának letiltása a szöveg és a képek között"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Ha ez be van állítva, akkor a szimbólum-gyorsítótár mindig külön textúrát "
+"használ az atlasához. Ellenkező esetben megpróbálja megosztani az atlast a "
+"képekkel."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Textúrázás letiltása"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Primitívek textúrázásának letiltása"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Az arbfp letiltása"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "ARB töredékprogramok használatának letiltása"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Rögzített letiltása"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "A rögzített függvény-adatcsatorna háttérprogram letiltása"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "GLSL letiltása"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "A GLSL használatának letiltása"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Színátmenet letiltása"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Színátmenet használatának letiltása"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Nem kettő hatványa textúrák letiltása"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Hatására a Cogl azt fogja gondolni, hogy a GL illesztőprogram nem támogatja "
+"a nem kettő hatványa textúrákat, így szeletelt textúrákat fog készíteni, "
+"vagy hulladékot tartalmazó textúrákat."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Szoftveres levágás letiltása"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Letiltja a Cogl kísérleteit néhány téglalap szoftveres vágására."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Forrás megjelenítése"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Előállított ARBfp/GLSL forráskód megjelenítése"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Néhány OpenGL követése"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Néhány kiválasztott OpenGL hívás követése"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Képernyőn kívüli támogatás követése"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Képernyőn kívüli támogatás hibaelhárítása"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Programgyorsítótárak letiltása"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Tartalék gyorsítótárak letiltása az ARBfp és GLSL programokhoz"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Olvasási pixeloptimalizáció letiltása"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"1 pixel olvasási optimalizálásának letiltása átlátszatlan téglalapok "
+"egyszerű jeleneteihez"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Vágás követése"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Információk naplózása a Cogl vágásmegvalósításáról"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Teljesítménygondok követése"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Az optimálisnál rosszabb Cogl használat kiszűrése"
diff --git a/po/id.gmo b/po/id.gmo
new file mode 100644
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ztCc&}+JlOXw, 2011, 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl cogl-1.12\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-26 08:55+0700\n"
+"Last-Translator: Andika Triwidada \n"
+"Language-Team: Indonesian \n"
+"Language: id\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 1.5.3\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Nilai pengawakutuan yang didukung:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Nilai pengawakutuan khusus:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Aktifkan semua opsi pengawakutuan non-perilaku"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variabel lingkungan tambahan:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Daftar yang dipisah koma dari ekstensi GL yang pura-pura dinonaktifkan"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Timpa versi GL yang akan diasumsikan oleh Cogl didukung oleh penggerak"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Flag pengawakutuan Cogl yang akan ditata"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Flag pengawakutuan Cogl yang akan dikosongkan"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opsi Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Tunjukkan opsi Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Penelusuran Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Rerefensi CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Acuan pengawakutuan yang mencacah masalah bagi CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Telusuri Pengirisan Tekstur"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "awakutu pembuatan irisan tekstur"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Telusuri Tekstur Atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Awakutu manajemen atlas tekstur"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Telusuri Blend String"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Awakutu penguraian CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Telusuri Jurnal"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Tilik semua geometri yang melintasi jurnal"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Telusuri Batch"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Tunjukkan bagaimana geometri di-batch dalam jurnal"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Telusuri matriks"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Telusuri semua manipulasi matriks"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Telusuri Menggambar Rupa-rupa"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Telusuri beberapa operasi menggambar rupa-rupa"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Telusuri Perender Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Telusuri perender Pango Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Telusuri backend CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Telusuri backend pixmap tekstur Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualisasikan"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Outlinekan persegi panjang"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Tambahkan outline kawat untuk semua geometri persegi panjang"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Tunjukkan rangka kawat"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Tambahkan outline kawat untuk semua geometri"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Akar Masalah"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Nonaktifkan batch Jurnal"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Nonaktifkan batch geometri dalam Jurnal Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Nonaktifkan Penyangga Verteks GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Nonaktifkan penggunaan objek penyangga verteks OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Nonaktifkan Penyangga Piksel GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Nonaktifkan penggunaan objek penyangga piksel OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Nonaktifkan transformasi persegi panjang perangkat lunak"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Pakai GPU untuk mentransformasi geometri persegi panjang"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Spesialis Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Dump gambar atlas"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Dump perubahan atlas tekstur ke berkas gambar"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Nonaktifkan pengatlasan tekstur"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Nonaktifkan penggunaan pengatlasan tekstur"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Nonaktifkan pemakaian bersama atlas tekstur antara teks dan gambar"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Ketika ini ditata, singgahan glyph akan selalu memakai tekstur terpisah bagi "
+"atlasnya. Bila tidak, itu akan mencoba berbagai atlas dengan gambar."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Nonaktifkan penteksturan"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Nonaktifkan penteksturan sebarang primitif"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Nonaktifkan arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Nonaktifkan penggunaan program fragmen ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Nonaktifkan tetap"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Nonaktifkan penggunaan backend pipeline fungsi tetap"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Nonaktifkan GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Nonaktifkan pemakaian GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Nonaktifkan pencampuran"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Nonaktifkan penggunaan pencampuran (blending)"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Nonaktifkan tekstur yang bukan pangkat dari dua"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Buat Cogl mengira bahwa penggerak GL tak mendukung tekstur NPOT sehingga "
+"akan membuat tekstur diiris atau tekstur dengan limbah sebagai pengganti."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Nonaktifkan pemotongan perangkat lunak"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Nonaktifkan percobaan Cogl untuk memotong (clip) beberapa persegi panjang "
+"dalam perangkat lunak."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Tunjukkan sumber"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Tunjukkan kode sumber ARBfp/GLSL yang dibangkitkan"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Telusuri beberapa OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Telusuri beberapa pemanggilan OpenGL yang dipilih"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Telusuri dukungan luar-layar"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Awakutu dukungan luar-layar"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Nonaktifkan siggahan program"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Nonaktifkan singgahan cadangan bagi program arbfp dan glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Nonaktifkan optimasi pembacaan piksel"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Nonaktifkan optimasi membaca 1px bagi skenario sederhana dari persegi "
+"panjang legap"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Telusuri pemotongan"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+"Catat log informasi tentang bagaimana Cogl mengimplementasi pemotongan "
+"(clipping)"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Telusuri masalah kinerja"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Mencoba menyorot penggunaan Cogl yang sub-optimal."
diff --git a/po/insert-header.sin b/po/insert-header.sin
new file mode 100644
index 0000000..b26de01
--- /dev/null
+++ b/po/insert-header.sin
@@ -0,0 +1,23 @@
+# Sed script that inserts the file called HEADER before the header entry.
+#
+# At each occurrence of a line starting with "msgid ", we execute the following
+# commands. At the first occurrence, insert the file. At the following
+# occurrences, do nothing. The distinction between the first and the following
+# occurrences is achieved by looking at the hold space.
+/^msgid /{
+x
+# Test if the hold space is empty.
+s/m/m/
+ta
+# Yes it was empty. First occurrence. Read the file.
+r HEADER
+# Output the file's contents by reading the next line. But don't lose the
+# current line while doing this.
+g
+N
+bb
+:a
+# The hold space was nonempty. Following occurrences. Do nothing.
+x
+:b
+}
diff --git a/po/it.gmo b/po/it.gmo
new file mode 100644
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diff --git a/po/it.po b/po/it.po
new file mode 100644
index 0000000..84a9f30
--- /dev/null
+++ b/po/it.po
@@ -0,0 +1,367 @@
+# Italian translation for cogl.
+# Copyright (C) 2011, 2012 cogl's the Free Software Foundation.
+# This file is distributed under the same license as the cogl package.
+# Luca Ferretti , 2011.
+# Milo Casagrande , 2012, 2013.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2013-04-28 19:22+0200\n"
+"Last-Translator: Milo Casagrande \n"
+"Language-Team: Italian \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8-bit\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Valori di debug supportati:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Valori di debug speciali:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Abilita tutte le opzioni non-comportamentali di debug"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variabili d'ambiente aggiuntive:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Elenco separato da virgole di estensioni GL da considerare disabilitate"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Scavalca la versione di GL considerata come supportata dal driver"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Flag per il debug di Cogl da attivare"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Flag per il debug di Cogl da disattivare"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opzioni Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Mostra le opzioni Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Esegue il trace di Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Riferimenti CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Debug del conteggio riferimenti per CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Trace di texture slicing"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "Esegue il debug della creazione di porzioni di texture"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Trace delle texture atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Esegue il debug della gestione dello texture atlas"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Trace di stringhe blend"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Esegue il debug dell'analisi di CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Trace del journal"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Visualizza tutte le geometrie che transitano per il journal"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Trace del batching"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Mostra come la geometria viene messa in batch nel journal"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Trace delle matrici"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Esegue il trace delle manipolazioni delle matrici"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Trace di varie operazioni di disegno"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Esegue il trace di varie operazioni di disegno"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Trace di Pango Renderer"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Esegue il trace del render Pango di Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Trace del backend CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Esegue il trace del backend di Cogl per texture pixmap"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualizza"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Outline dei rettangoli"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Aggiunge outline a tutte le geometrie rettangolari"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Mostra wireframe"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Aggiunge outline a tutte le geometrie"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Causa principale"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Disabilita il batch del journal"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Disabilita il batch delle geometrie nel journal di cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Disabilita GL Vertex Buffers"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Disabilita l'uso di oggetti vertex buffer OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Disabilita GL Pixel Buffers"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Disabilita l'uso di oggetti pixel buffer OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Disabilita le trasformazioni rettangolari software"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Utilizza la GPU per trasformare le geometrie rettangolari"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl specialist"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Dump delle immagini atlas"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Esegue il dump su un file delle modifiche allo texture atlas"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Disabilita aliasing delle texture"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Disabilita l'utilizzo di aliasing delle texture"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Disabilita la condivisione dello texture atlas tra testo e immagini"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Quando impostata, la cache dei glifi utilizzerà una texture separata per i "
+"propri atlas, altrimenti cercherà di condividerlo con le immagini."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Disabilita texture"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Disabilita il texture sulle primitive"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Disabilita arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Disabilita l'uso dei programmi ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Disabilita fixed"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Disabilita l'uso della funzione fixed del backend pipeline"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Disabilita GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Disabilita l'uso di GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Disabilita blending"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Disabilita l'uso del blending"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Disabilita texture non-power-of-two"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Fa in modo che cogl consideri i driver GL privi di supporto per le texture "
+"NPOT, in modo tale da creare texture spezzettate o texture con riporti."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Disabilita il clipping software."
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Disabilita i tentativi di cogl di eseguire il clip di rettangoli via software"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Mostra sorgente"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Mostra il codice sorgente generato Arbfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Trace di OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Esegue il trace di alcune chiamante OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Trace del supporto offscreen"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Debug del supporto offscreen"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Disabilita le cache del programma"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Disabilita le cache di ripiego per i programmi arbfp e glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Disabilita ottimizzazione lettura pixel"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Disabilita l'ottimizzazione per la lettura di 1px per scene semplici di "
+"rettangoli opachi"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Trace del clipping"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Registra informazioni riguardo l'implementazione del clipping in cogl"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Esegue il trace delle prestazioni"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Cerca di evidenziare utilizzi non ottimali di Cogl."
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diff --git a/po/ja.po b/po/ja.po
new file mode 100644
index 0000000..fdbb0e9
--- /dev/null
+++ b/po/ja.po
@@ -0,0 +1,369 @@
+# cogl ja.po.
+# Copyright (C) 2011-2012 cogl's copyright holder
+# This file is distributed under the same license as the cogl package.
+# Takeshi AIHANA , 2011.
+# Hajime Taira , 2012.
+# Nishio Futoshi , 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-22 07:50+0900\n"
+"Last-Translator: Nishio Futoshi \n"
+"Language-Team: Japanese \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "サポートするデバッグ変数:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "特別なデバッグ変数:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "すべての非ビヘイビアのデバッグオプションを有効にします。"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "追加の環境変数:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "GL 拡張にみえるが利用不可能なものをカンマで分離したリスト"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"ドライバーがサポートしていると Cogl が仮定する GL のバージョンをオーバーライ"
+"ドする"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl のデバッグフラグを指定する"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl のデバッグフラグを解除する"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl のオプション"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl のオプションを表示する"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl のトレーシング"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject の参照"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "CoglObjects の参照カウントの問題をデバッグします。"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "テクスチャースライシングのトレース"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "テクスチャースライスの作成をデバッグします。"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "アトラステクスチャーのトレース"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "アトラステクスチャーの管理をデバッグします。"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "文字のブレンドのトレース"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "CoglBlendString の解析をデバッグします。"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "ジャーナルのトレース"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "ジャーナルを通過するすべてのジオメトリーを表示します。"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "バッチ処理のトレース"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "ジオメトリーがジャーナルにバッチ処理されている状況を表示します。"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "行列のトレース"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "すべての行列操作をトレースします。"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "その他の描画のトレース"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "その他の雑多な描画操作をトレースします。"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Pango レンダラーのトレース"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Cogl の Pango レンダラーをトレースします。"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Cogl テクスチャーピクセルマップのバックエンドのトレース"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Cogl テクスチャーピクセルマップのバックエンドをトレースします。"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "可視化"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "アウトラインの矩形"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "すべての矩形のジオメトリーのワイアーアウトラインを追加します。"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "ワイアーフレームの表示"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "すべてのジオメトリーのワイアーのアウトラインを追加します。"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "根本的原因"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "ジャーナルバッチ処理の無効化"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Cogl のジャーナル内のジオメトリーのバッチ処理を無効にします。"
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "GL 頂点バッファーの無効化"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "OpenGL 頂点バッファーオブジェクトの使用を無効化します。"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "GL ピクセルバッファーの無効化"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "OpenGL ピクセルバッファーオブジェクトの使用を無効化します。"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "ソフトウェアによる矩形変換の無効化"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "矩形のジオメトリーを変換するために GPU を使用します。"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl スペシャリスト"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "テクスチャーアトラスのダンプ"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "テクスチャーアトラスを１つの画像ファイルにダンプします。"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "テクスチャーアトラシングの無効化"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "テクスチャーアトラシングの使用を無効化します。"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "文字と画像の間のテクスチャーアトラスの共有を無効化します。"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"この設定が有効な場合、グリフのキャッシュは、常にそのアトラスのために別のテク"
+"スチャーを使用します。それ以外の場合は、画像とアトラスを共有しようとします。"
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "テクスチャーの無効化"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "テクスチャーと任意のプリミティブを無効にします。"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "ARBfp の無効化"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "ARB フラグメントプログラムの使用を無効化します。"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "固定機能パイプラインの無効化"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "固定機能パイプラインのバックエンドの使用を無効化します。"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "GLSL の無効化"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "GLSL の使用を無効化します。"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "ブレンディングの無効化"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "ブレンディングの使用を無効化します。"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "2の累乗以外のサイズのテクスチャーの無効化"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Cogl はスライスされたテクスチャーや代わりに無駄な部分を持つテクスチャーを作成"
+"されるように、GL ドライバーが NPOT テクスチャーをサポートしていないことを考慮"
+"しなければなりません。"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "ソフトウェアクリッピングの無効化"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "一部の矩形をソフトウェアにてクリップする Cogl の試みを無効化します。"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "ソースコードの表示"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "ARBfp/GLSL のソースコードを生成して表示します。"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "いくつかの OpenGL のトレース"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "いくつか選択した OpenGL の呼び出しをトレースします。"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "オフスクリーンサポートのトレース"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "オフスクリーンサポートをデバッグします。"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "プログラムキャッシュの無効化"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "ARBfp と GLSL プログラムに対する代替キャッシュの適用を無効化します。"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "ピクセルの最適化の読み込みの無効化"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"不透明な矩形のシンプルなシーンのために1ピクセル読み込む最適化を無効化します。"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "クリッピングのトレース"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Cogl に実装されているクリッピング機能のログ情報を記録します。"
+
+# ROIとは違うのかな？
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "トレース実行の関心領域"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Cogl の使用時の最適下限の強調表示を試みる"
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HcmV?d00001

diff --git a/po/km.po b/po/km.po
new file mode 100644
index 0000000..e6ff96a
--- /dev/null
+++ b/po/km.po
@@ -0,0 +1,368 @@
+# translation of cogl.master.po to Khmer
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# Khoem Sokhem , 2012.
+# Seng Sutha , 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl.master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-01-24 11:14+0700\n"
+"Last-Translator: Seng Sutha \n"
+"Language-Team: Khmer \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+"X-Generator: WordForge 0.8 RC1\n"
+"X-Language: km-KH\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "បំបាត់​កំហុស​តម្លៃ​ដែល​បាន​គាំទ្រ ៖"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "បំបាត់​កំហុស​តម្លៃ​ពិសេស ៖"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "បើក​​គ្រប់​ជម្រើស​បំបាត់​កំហុស​​​នៃ​ឥរិយា​ដែល​គ្មាន​ទាំងអស់"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "ទង់​ជាតិ​បំបាត់​កំហុស​​ Cogl ត្រូវ​កំណត់"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "ទង់ជាតិ​បំបាត់​កំហុស​មិន​ត្រូវ​កំណត់"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "ជម្រើស​របស់ Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "បង្ហាញ​ជម្រើស​របស់ Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "ការ​តាមដាន​​នៃ Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "សេចក្ដី​យោង​របស់ CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "បំបាត់​កំហុស​បញ្ហា​អំពី​ការ​រាប់​​​សេចក្ដី​យោង​សម្រាប់ CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+#, fuzzy
+msgid "Trace Texture Slicing"
+msgstr "ដាន​ក្នុង​ការ​កាត់​ជា​បន្ទះ​នៃ​​វាយនភាព"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "បំបាត់​កំហុស​ក្នុង​ការ​​កាត់​ជា​បន្ទះ​នៃ​វាយនភាព"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "ដាន​វាយនភាព​សៀវភៅ​ផែនទី​"
+
+#: cogl/cogl-debug-options.h:45
+#, fuzzy
+msgid "Debug texture atlas management"
+msgstr "បំបាត់​កំហុស​ការ​គ្រប់គ្រង​សៀវភៅ​ផែនទី​​​នៃ​វាយនភាព"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "ដាន​ល្បាយ​ខ្សែ​អក្សរ"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "កំហុស​ក្នុង​ការ​ញែក CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "ដាន​ទិនានុប្បវត្តិ​"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "មើល​គ្រប់​ការ​​ហុច​ធរណីមាត្រ​ទាំងអស់​តាម​ទិនានុប្បវត្តិ"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "ការ​ដាក់​ដាន​ជា​ក្រុម"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "បង្ហាញ​របៀប​ធរណីមាត្រ​ត្រូវ​បាន​ដាក់​ចំនួយ​ច្រើន​ក្នុង​ទិនានុប្បវត្តិ"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "ដាន​ម៉ាទ្រីស"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "ដាន​គ្រប់​ការ​ធ្វើ​ម៉ាទ្រីស​ទាំងអស់"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "ដាន​គំនូរ​ផ្សេងៗ"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "ដាន​ក្នុង​ការ​ប្រតិបត្តិ​ការ​គំនូរ​ផ្សេង​មួយ​ចំនួន"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "ដាន​កម្មវិធី​បង្ហាញ Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "ដាន​កម្មវិធី​បង្ហាញ Cogl Pango"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "ដាន​កម្មវិធី​ខាងក្រោយ CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "ដាន​កម្មវិធី​ខាងក្រោយ Cogl texture pixmap"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "ធ្វើ​ឲ្យ​មើល​ឃើញ"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "ចតុកោណ​របស់​​គ្រោង"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "បន្ថែម​គ្រោង​ខ្សែ​សម្រាប់​ធរណីមាត្រ​ដែល​​​ជា​ចតុកោណ​ទាំងអស់"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "បង្ហាញ wireframes"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "បន្ថែម​​គ្រោង​ខ្សែ​សម្រាប់​ធរណីមាត្រ​ទាំងអស់"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "មូលហេតុ Root"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "បិទ​ការ​ដាក់​​​​ទិនានុប្បវត្តិ​ជា​ក្រុម"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "បិទ​ការ​ដាក់​ធរណីមាត្រ​ជា​ក្រុម​នៅ​ក្នុង​ទិនានុប្បវត្តិ​របស់ Cogl ។"
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "បិទ​អង្គ​ចងចាំ​បណ្ដោះ​អាសន្ន​ផ្នែក​ខាងលើ​​របស់ GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "បិទ​ការ​ប្រើប្រាស់​នៃ​​វត្ថុ​​​អង្គ​​​ចងចាំ​បណ្ដោះអាសន្ន​ផ្នែក​ខាងលើ​របស់ OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "បិទ​អង្គ​ចងចាំ​បណ្ដោះអាសន្ន​ភីកសែល​របស់ GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "បិទ​ការ​ប្រើប្រាស់​វត្ថុ​អង្គ​ចងចាំ​បណ្ដោះអាសន្ន​​ភីកសែល​របស់ OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "បិទ​​ការ​ប្លែង​ដែល​​ជា​ចតុកោណ​​​របស់​​កម្មវិធី ។"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "ប្រើ GPU ដើម្បី​ប្លែង​ធរណីមាត្រ​ដែល​​ជា​ចតុកោណ"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "អ្នក​ឯកទេស Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "បោះបង់​រូបភាព​នៃ​សៀវភៅ​ផែន​ទី"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "បោះបង់​ការ​ផ្លាស់ប្ដូរ​សៀវភៅ​ផែនទី​​វាយនភាព​ទៅកាន់​ឯកសារ​រូបភាព"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "បិទ​​ការ​ដាក់​​សៀវភៅ​ផែនទី​នៃ​វាយនភាព"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "បិទ​ការ​ប្រើប្រាស់​នៃ​​ការ​ដាក់​សៀវភៅ​ផែន​ទី​នៃ​វាយនភាព"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "បិទ​ការ​ចែករំលែក​​សៀវភៅ​ផែនទី​នៃ​វាយនភាព​រវាង​អត្ថបទ និង​រូបភាព"
+
+#: cogl/cogl-debug-options.h:126
+#, fuzzy
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"នៅ​ពេល​វា​ត្រូវ​បាន​កំណត់​ឃ្លាំង​សម្ងាត់​របស់ glyph នឹង​ប្រើ​វាយនភាព​​បំបែក​សម្រាប់​សៀវភៅ​ផែនទី​ជានិច្ច ។ "
+"ម្យ៉ាងទៀត វា​នឹង​ចែករំលែក​សៀវភៅ​ផែន​ទី​​ជាមួយ​រូបភាព ។"
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "បិទ​ការ​ធ្វើ​វាយនភាព"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "បិទ​ការ​ធ្វើ​វាយនភាព​​ជា​ដំបូង​មួយ​ចំនួន"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "បិទ arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "បិទ​ការ​ប្រើប្រាស់​កម្មវិធី​បំណែក​របស់ ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "បិទ​ថេរ"
+
+#: cogl/cogl-debug-options.h:142
+#, fuzzy
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "បិទ​ការ​ប្រើ​ប្រាស់​កម្មវិធី​ខាងក្រោយ pipeline នៃ​មុខងារ​ថេរ"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "បិទ GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "បិទ​ការ​ប្រើប្រាស់​នៃ GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "បិទ​ការ​លាយ"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "បិទ​ការ​ប្រើប្រាស់​នៃ​ការ​លាយ"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "បិទ​វាយនភាព​ពីរ​ដែល​គ្មាន​ថាមពល"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"ការ​ធ្វើ​ឲ្យ Cogl ស្គាល់​ថា​កម្មវិធី​បញ្ជា​របស់ GL មិន​គាំទ្រ​វាយនភាព​របស់ NPOT ទេ ដូច្នោះ​វា​នឹង​បង្កើត​"
+"វាយនភាព​ដែល​​បាន​ចែក​ជា​ផ្នែក ឬ​វាយនភាព​ដែល​មាន​ភាព​ខ្ជះខ្ជាយ​ ។"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "បិទ​ការ​កាត់​​កម្មវិធី"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "បិទ​ការ​ប៉ុនប៉ង​របស់ Cogl ដើម្បី​កាត់​ចតុកោណ​មួយ​ចំនួន​នៅ​ក្នុង​កម្មវិធី ។"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "បង្ហាញ​ប្រភព"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "បង្ហាញ​កូដ​ប្រភព​របស់ ARBfp/GLSL ដែល​បាន​បង្កើត"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "ដាន OpenGL មួយ​ចំនួន"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "ដាន​ជ្រើស​ការ​ហៅ OpenGL មួយ​ចំនួន"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "ការ​គាំទ្រ offscreen ​ដាន"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "បំបាត់​កំហុស​ការ​គាំទ្រ offscreen"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "បិទ​ឃ្លាំង​សម្ងាត់​របស់​កម្មវិធី"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "បិទ​ឃ្លាំង​សម្ងាត់​របស់ fallback សម្រាប់​កម្មវិធី arbfp និង glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "បិទ​ការ​អាន​ការ​ធ្វើ​ឲ្យ​ភីសែល​ល្អប្រសើរ"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr "បិទ​ការ​ធ្វើ​ឲ្យ​ល្អ​​ប្រសើរ​ក្នុង​ការ​អាន ១ ភីសែល  រូបភាព​សាមញ្ញ​នៃ​​ចតុកោណ​ស្រអាប់"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "ការ​កាត់​ដាន"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "ព័ត៌មាន​​កំណត់​ហេតុ​អំពី​របៀប​ Cogl ប្រតិបត្តិ​ការ​កាត់"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/kn.gmo b/po/kn.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..f28c98a16813664e07d37929523ce3f1c46185d9
GIT binary patch
literal 975
zcmbtS%We}f6dj-lDPjX#Kr-v%WTr_)J8ht%4^+{rQ5z6D{%33;Ty&!&?~*c?Jj~Tn@(zzQU5@Duu5#oL
zN#u(4SgyIMtnuvUYD?KI0+H4(DMt5PL3E^z7=0@Wx<
zFZY#<2a#?@*+9E&t+h6tSDd*%=mOI`Boltnp#DYbH%QP3>y2?g@O=>JI^Rm2o)Isg
z{xtO`Nl*{{`nW$?_bV$ulbzfafj(@Bzu=|
zN+bi8aN6dq7m{mC2o^Ik+ZA(J>e?7lLedqL)#cU2(e(sXzcMe;r$FiZee|IDJzeW(
zEEO{(>M(_?ZeDLM(Ww#7NxaP!T@;aw@oFKN+DvujCcVl9S3~V9vdgk`o0FhAQE6oZ
z#WK1iRWA>T=$CHZoR}d)vnj~=CJAOL!zZ`qp*8Pp@!XnSTfpA4rm)41XU!*DJhkS5
zHT%|lvF4*SZ*B3&@tpe}Bx??azrt~fXV!cm*1Rdh2iAOcB=ZsmcK1s9@X)K$9u)!$
r$Dsf-a)OGw#qXk~%(Vaih06c?_kJPT)yKR8t, 2011.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-09-05 13:03+0530\n"
+"Last-Translator: Shankar Prasad \n"
+"Language-Team: Kannada \n"
+"Language: kn\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Lokalize 1.2\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "ಹೊಂದಿಸಬೇಕಿರುವ Cogl ದೋಷ ನಿವಾರಣಾ ಗುರುತುಗಳು"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "ರದ್ದುಗೊಳಿಸಲಾದ Cogl ದೋಷ ನಿವಾರಣಾ ಗುರುತುಗಳು"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl ಆಯ್ಕೆಗಳು"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl ಆಯ್ಕೆಗಳನ್ನು ತೋರಿಸು"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/ko.gmo b/po/ko.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..77e26ccb07fea6d7ada9f2f7f73f77587f9df89e
GIT binary patch
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diff --git a/po/ko.po b/po/ko.po
new file mode 100644
index 0000000..8afbfd7
--- /dev/null
+++ b/po/ko.po
@@ -0,0 +1,358 @@
+# Korean translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# Seong-ho Cho , 2011.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-12-06 20:34+0900\n"
+"Last-Translator: Seong-ho, Cho \n"
+"Language-Team: Korean \n"
+"Language: ko\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr ""
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr ""
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr ""
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
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new file mode 100644
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diff --git a/po/lt.po b/po/lt.po
new file mode 100644
index 0000000..5df4150
--- /dev/null
+++ b/po/lt.po
@@ -0,0 +1,366 @@
+# Lithuanian translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# Aurimas Černius , 2011.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-27 21:58+0300\n"
+"Last-Translator: Aurimas Černius \n"
+"Language-Team: Lithuanian \n"
+"Language: lt\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && (n"
+"%100<10 || n%100>=20) ? 1 : 2);\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Palaikomos derinimo reikšmės:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Specialios derinimo reikšmės:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Įjungia visas ne-elgsenos derinimo parinktis"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Papildomi aplinkos kintamieji:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Kableliais skiriamas GL plėtinių sąrašas, kurį laikyti išjungtu"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "GL versija, kurią Cogl turi laikyti, kad tvarkyklė palaiko"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Nustatomi Cogl derinimo požymiai"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Nuimami Cogl derinimo požymiai"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl parinktys"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Rodyti Cogl parinktis"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl sekimas"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject nuorodos"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Derinti nuorodų skaičiavimo problemas CoglObject'ams"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Sekti rašto kirpimus"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "derinti raštų iškarpų sukūrimus"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Sekti atlaso raštus"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Derinti raštų atlaso valdymą"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Sekti derinimo eilutes"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Derinti CoglBlendString skaitymą"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Sekti žurnalą"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Rodyti visą geometrijos perdavimą per žurnalą"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Sekti darbų partijas"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Rodyti, kaip geometrija grupuojama žurnale"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Sekti matricas"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Sekti visą matricų manipuliavimą"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Sekti įvairų piešimą"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Sekti dalį įvairių piešimo veiksmų"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Sekti Pango piešėją"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Sekti Cogl Pango piešėją"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Sekti CoglTexturePixmap realizaciją"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Sekti Cogl rašto pikselių žemėlapio realizaciją"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Pateikti"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Apibrėžti stačiakampius"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Apibrėžti visą stačiakampę geometriją"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Rodyti apibrėžimus"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Apibrėžti visą geometriją"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Pagrindinė priežastis"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Išjungti žurnalo grupavimą"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Išjungti geometrijos grupavimą Cogl žurnale"
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Išjungti GL viršūnių buferius"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Išjungti OpenGL viršūnių buferių naudojimą"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Išjungti GL pikselių buferius"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Išjungti OpenGL pikselių buferių objektus"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Išjungti programinį stačiakampių transformavimą"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Naudoti GPU stačiakampės geometrijos transformavimui"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl specialistas"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Iškloti atlaso paveikslėlius"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Iškloti raštų atlaso pasikeitimus į paveikslėlio failą"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Išjungti raštų atlasą"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Išjungti raštų atlaso naudojimą"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Išjungti raštų atlaso dalijimąsi tarp teksto ir paveikslėlių"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Kai tai nustatyta, paveikslėlių podėlis visada naudos atskirą raštą savo "
+"atlasui. Priešingu atveju jis mėgins dalytis atlasu su paveikslėliais."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Išjungti raštus"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Išjungti bet kokių primityvų raštus"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "IÅ¡jungti arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Išjungti ARB fragmentų programų naudojimą"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Išjungti fiksuotą"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Išjungti fiksuotos funkcijos konvejerio realizacijos naudojimą"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "IÅ¡jungti GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Išjungti GLSL naudojimą"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Išjungti derinimą"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Išjungti derinimo naudojimą"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Išjungti ne dvejeto laipsnių raštus"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Priverčia Cogl galvoti, kad GL tvarkyklė nepalaiko NPOT raštų, todėl tai "
+"sukurs karpytus raštus arba raštus su šiukšlėmis."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Išjungti programinė karpymą"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Išjungia Cogl bandymus iškirpti kai kuriuos stačiakampius programiškai."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Rodyti išeities tekstą"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Parodo sugeneruotą ARBfp/GLSL išeities tekstą"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Sekti dalį OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Seka kai kuriuos pasirinktus OpenGL kvietinius"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Sekti už ekrano palaikymą"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Derinti už ekrano palaikymą"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Išjungti programos podėlį"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Išjungti atsarginius podėlius arbfp ir glsl programoms"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Išjungti pikselių skaitymo optimizaciją"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Išjungti vieno pikselio skaitymo optimizavimą paprastoms nepermatomų "
+"stačiakampių scenoms"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Sekti karpymą"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Įrašo į žurnalą, kaip Cogl realizuoja karpymą"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Sekti našumo rūpesčius"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Mėgina išryškinti neoptimalų Cogl naudojimą."
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diff --git a/po/lv.po b/po/lv.po
new file mode 100644
index 0000000..1b03a8d
--- /dev/null
+++ b/po/lv.po
@@ -0,0 +1,367 @@
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+#
+# RÅ«dofls Mazurs , 2011, 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-26 12:02+0300\n"
+"Last-Translator: RÅ«dolfs Mazurs \n"
+"Language-Team: Latvian \n"
+"Language: lv\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Lokalize 1.4\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : "
+"2);\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Atbalstītās atkļūdošanas vērtības:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Īpašās atkļūdošanas vērtības:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Aktivē visas ne-uzvedības atkļūdošanas opcijas"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Papildu vides mainīgie:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Ar komatiem atdalīts saraksts ar GL paplašinājumiem, kas uzskatāmi par "
+"deaktivētiem"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Pārrakstīt GL versiju, ko Cogl uzskatīs, ka atbalsta draiveris"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Iestatāmie Cogl atkļūdošanas karodziņi"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Noņemamie Cogl atkļūdošanas karodziņi"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl opcijas"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Rādīt Cogl opcijas"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl izsekošana"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject atsauces"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Atkļūdot atsauču skaitīšanas problēmas priekš CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Izsekot tekstūru griešanai"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "atkļūdot tekstūru gabalu veidošanu"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Izsekot atlanta tekstūras"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Atkļūdot tekstūru atlanta pārvaldīšanu"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Izsekot sapludinātās virknes"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Atkļūdot CoglBlendString parsēšanu"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Izsekošanas žurnāls"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Skatīt visu ģeometriju, kas iet cauri žurnālam"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Izsekot paketēm"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Rādīt, kā ģeometrija tiek paketēta žurnālā"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Izsekot matricām"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Izsekot visām matricu manipulācijām"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Izsekot dažādiem zīmējumiem"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Izsekot dažādām zīmēšanas darbībām"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Izsekot Pango renderētāju"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Izsekot Cogl Pango renderētāju"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Izsekot CoglTexturePixmap aizmuguri"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Izsekot Cogl tekstūras pikseļu kartes aizmuguri"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Vizualizēt"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Izcelt taisnstūrus"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Pievienot karkasattēlojumu visām taisnstūra ģeometrijām"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Rādīt karkasattēlojumu"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Pievienot karkasattēlojumu visām ģeometrijām"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Pamatcēlonis"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Deaktivēt žurnāla paketēšanu"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Deaktivēt ģeometriju paketēšanu Cogl žurnālā."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Deaktivēt GL virsotņu buferus"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Deaktivēt OpenGL virsotņu bufera objektu lietošanu"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Deaktivēt GL pikseļu buferus"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Deaktivēt OpenGL pikseļu bufera objektu lietošanu"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Deaktivēt programmatūras taisnstūru transformācijas"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Izmantot GPU, lai transformētu taisnstūra ģeometrijas"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl speciālists"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Nomest atlanta attēlus"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Nomest tekstūru atlanta izmaiņas attēla failā"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Deaktivēt tekstūru nogludināšanu"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Deaktivēt tekstūru nogludināšanas izmantošanu"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Deaktivēt tekstūru atlanta koplietošanu starp tekstu un attēliem"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Kad tas ir iestatīts, glifu kešs atlantam vienmēr izmantos atsevišķu "
+"tekstūru. Citādi tas mēģinās koplietot atlantu ar attēliem. "
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Deaktivēt teksturēšanu"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Deaktivēt visu primitīvu teksturēšanu"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Deaktivēt arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Deaktivēt ARB fragmentu programmu lietošanu"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Deaktivēt fiksētos"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Deaktivēt fiksētu funkciju konveijera aizmugures izmantošanu"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Deaktivēt GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Deaktivēt GLSL izmantošanu"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Deaktivēt sajaukšanu"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Deaktivēt sajaukšanas izmantošanu"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Deaktivēt nav-divnieka-pakāpe tekstūras"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Liek Cogl domāt, ka GL draiveris neatbalsta NPOT tekstūras, tā vietā tas "
+"veidos sagrieztas tekstūras vai tekstūras ar liekām daļām."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Deaktivēt programmatūras apcirpšanu"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Deaktivē Cogl mēģinājumus apcirpt dažus taisnstūrus programmatūrā."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Rādīt avotu"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Rādīt ģenerētu ARBfp/GLSL pirmkodu"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Izsekot kādu OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Izsekot dažus īpašus OpenGL izsaukumus"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Izsekot ārpusekrāna atbalstu"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Atkļūdot ārpusekrāna atbalstu"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Deaktivēt programmas kešu"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Deaktivēt atkāpšanās kešu arbfp un glsl programmām"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Deaktivēt pikseļu lasīšanas optimizāciju"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Deaktivēt optimizēšanu 1px nolasīšanai vienkāršām necaurspīdīgu taisnstūru "
+"ainām "
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Izsekot apcirpšanu"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Reģistrē informāciju par to, kā Cogl implementē apciršanu"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Izsekot veiktspējas problēmas"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Mēģina izcelt neoptimālu Cogl lietojumu."
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diff --git a/po/ml.po b/po/ml.po
new file mode 100644
index 0000000..d341d0d
--- /dev/null
+++ b/po/ml.po
@@ -0,0 +1,358 @@
+# Malayalam translation for cogl.
+# Copyright (C) 2012 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# Anish A , 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-20 19:26+0530\n"
+"Last-Translator: Anish A \n"
+"Language-Team: Swatantra Malayalam Computing\n"
+"Language: ml\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Generator: Virtaal 0.6.1\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr ""
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr ""
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr ""
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "മൂലകാരണം"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "സോഴ്സ് കോഡ് കാണിക്കുക"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/nb.gmo b/po/nb.gmo
new file mode 100644
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diff --git a/po/nb.po b/po/nb.po
new file mode 100644
index 0000000..5d204e6
--- /dev/null
+++ b/po/nb.po
@@ -0,0 +1,358 @@
+# Norwegian bokmål translation of cogl.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# Kjartan Maraas , 2011-2014.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl 1.11.x\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2014-02-12 20:25+0100\n"
+"Last-Translator: Kjartan Maraas \n"
+"Language-Team: Norwegian bokmål \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Støttede feilsøkingsverdier:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Spesielle feilsøkingsverdier:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+"Slår på alle feilsøkingsalternativer som ikke har med oppførsel å gjøre"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr ""
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr ""
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Alternativer for Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Vis alternativer for Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl-sporing"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject-referanser"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Feilsøk referansetellingsproblemer for CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualiser"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Vis rutenett"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Rotårsak"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Slå av GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Slå av bruk av GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Vis kildekode"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/nl.gmo b/po/nl.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..ad04f17f166c6f3672e48c95b60a55da759489a5
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HcmV?d00001

diff --git a/po/nl.po b/po/nl.po
new file mode 100644
index 0000000..c7524f4
--- /dev/null
+++ b/po/nl.po
@@ -0,0 +1,359 @@
+# Dutch translation for Cogl
+#
+# This file is distributed under the same license as the Cogl package.
+#
+# Wouter Bolsterlee , 2011
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Cogl\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-09-06 00:51+0200\n"
+"Last-Translator: Wouter Bolsterlee \n"
+"Language-Team: Dutch \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "In te schakelen Cogl-debugvlaggen"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Uit te schakelen Cogl-debugvlaggen"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl-opties"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl-opties tonen"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/or.gmo b/po/or.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..c141150e4e2a42c0ab3b043cdc032588b8b918ef
GIT binary patch
literal 1015
zcmcgqJ#W-77!FW`6tTbxNM>QFe3!I`C}|I>eyXCUR^>o!$j!OAl*Eo4r_gSlfPt}P
ztbhtt$dxK!U_kB6#xFn?zl0|V>MbBPtUP+{ywCG~**`81?KoKHfvdm_Z~;hwa=id9
z0xy9pz%FnN_y}AAz5^#`9OozO4dCrr$H`&8!EV5|&pFN%>}OcePS+52Wlqo>xEyC%
zMhRKUbSy<)A9{SXh@x0TWG!J)PP8OB*MIdDqV(SH%crD@C4a|SR&t$(nlAL{L#}ef
z4@g)hOIfbDa#wgJm8P9MihFdbh;rJM0qJX<1cH6kHX-jFJ4askz2I2vIT
z-_4Zl6`^j2NukSV%S&B4tvD
zqJl-7b~#G}vZUfoMkb`1OyaVK0U;n#xt)d1>|i#2!*i!4niR;pnV|vApXp|nuvmGC0bXJ72hbs%n*lMiZM|7SGuIj=U, 2011.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-09-09 11:10+0530\n"
+"Last-Translator: Manoj Kumar Giri \n"
+"Language-Team: Oriya \n"
+"Language: or\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Lokalize 1.2\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "ସେଟ କରିବା ପାଇଁ Cogl ତ୍ରୁଟି ନିବାରଣ ପତାକାଗୁଡ଼ିକ"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "ସେଟ ନକରିବା ପାଇଁ Cogl ତ୍ରୁଟି ନିବାରଣ ପତାକାଗୁଡ଼ିକ"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl ବିକଳ୍ପଗୁଡିକ"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl ବିକଳ୍ପଗୁଡିକୁ ଦେଖାନ୍ତୁ"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/pa.gmo b/po/pa.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..93e8c2c600d2cb09794cc5acb204ed3fc8e4fbc7
GIT binary patch
literal 2935
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zq$-R^YM?cw9k*(2jU8=`1rHO=xO0
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zg6~P1Tu2*7)8ufPoQ4G!Z={V+)8tbAJCP^vP)igf=?WMch)
zH?0)l4<%nUS$%0rO5pV^69tKyj3|5pL#$C4Y(L2=#@4*t82yN06Ss27n(
zv~k>s0U041REK02UjD&Cu_%(GMkGG{&S7l!SQa=GJoqchLw0
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z9av-qoiKK9<2u44HOO-2I)@80c;8$@(n#gXb?h^@vpAX8C9LNTb+fI=6tg+?pVme#
zGsZB5)X)*}+XKDeJRenLIRkq%3~_KJ$#Q48`b~eQGPz)glk-MZ_=Ar0YR#BKlP3)a
zy$bDMu*X=z^EC9sN!DQsi|-39+t+YH-mje__?u^y{V13%dINB27A80Rp0s`8R%, 2011, 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-17 07:27+0530\n"
+"Last-Translator: A S Alam \n"
+"Language-Team: Punjabi/Panjabi \n"
+"Language: pa\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Lokalize 1.4\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "ਸਹਾਇਕ ਡੀਬੱਗ ਮੁੱਲ:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "ਖਾਸ ਡੀਬੱਗ ਮੁੱਲ:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "ਵਾਧੂ ਇੰਵਾਇਰਨਮੈਂਟ ਮੁੱਲ:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "ਸੈੱਟ ਕਰਨ ਲਈ Cogl ਡੀਬੱਗ ਫਲੈਗ"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "ਅਣ-ਸੈੱਟ ਕਰਨ ਲਈ Cogl ਡੀਬੱਗਿੰਗ ਨਿਸ਼ਾਨ"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl ਚੋਣਾਂ"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl ਚੋਣਾਂ ਵੇਖਾਓ"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "ਕੋਗਲ ਟਰੇਸਿੰਗ"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "ਟਰੇਸ ਬਲੈਂਡ ਲਾਈਨਾਂ"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "ਟਰੇਸ ਜਰਨਲ"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "ਟਰੇਸ ਬੈਚਿੰਗ"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "ਟਰੇਸ ਮੈਟਰਿਕਸ"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "ਫੁਟਕਲ ਡਰਾਇੰਗ ਟਰੇਸ"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "ਪੈਗੋ ਰੈਂਡਰ ਟਰੇਸ"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "ਦਿੱਖ"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "ਬਾਹਰੀ ਚਤੁਰਭੁਜ"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "ਬਾਹਰੀ ਢਾਂਚਾ ਵੇਖਾਓ"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "ਮੁੱਖ ਕਾਰਨ"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "ਸਾਫਟਵੇਅਰ ਰੈਕਟ ਟਰਾਂਸਫਰਮ ਆਯੋਗ"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "ਕੋਗਲ ਮਾਹਰ"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "arbfp ਆਯੋਗ"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "GLSL ਆਯੋਗ"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "ਸਾਫਟਵੇਅਰ ਕਲਿੱਪਿੰਗ ਬੰਦ"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "ਸਰੋਤ ਵੇਖਾਓ"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "ਆਫਸਕਰੀਨ ਸਹਿਯੋਗ ਟਰੇਸ"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "ਆਫਸਕਰੀਨ ਸਹਿਯੋਗ ਡੀਬੱਗ"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "ਪ੍ਰੋਗਰਾਮ ਕੈਸ਼ ਬੰਦ"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "ਟਰੇਸ ਕਲਿੱਪਿੰਗ"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "ਕਾਰਗੁਜ਼ਾਰੀ ਮੁੱਦੇ ਟਰੇਸ"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
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diff --git a/po/pl.po b/po/pl.po
new file mode 100644
index 0000000..9b500c7
--- /dev/null
+++ b/po/pl.po
@@ -0,0 +1,375 @@
+# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+# Aviary.pl
+# Jeśli masz jakiekolwiek uwagi odnoszące się do tłumaczenia lub chcesz
+# pomóc w jego rozwijaniu i pielęgnowaniu, napisz do nas:
+# gnomepl@aviary.pl
+# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+# Piotr Drąg , 2011-2013.
+# Aviary.pl , 2011-2013.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2013-02-16 21:21+0100\n"
+"Last-Translator: Piotr Drąg \n"
+"Language-Team: Polish \n"
+"Language: pl\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=(n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 "
+"|| n%100>=20) ? 1 : 2);\n"
+"X-Poedit-Language: Polish\n"
+"X-Poedit-Country: Poland\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Obsługiwane wartości debugowania:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Specjalne wartości debugowania:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Włącza wszystkie opcje debugowania nie wpływające na zachowanie"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Dodatkowe zmienne środowiskowe:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Lista rozszerzeń GL oddzielonych przecinkami, które mają udawać wyłączone"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Zastępuje wersję GL obsługiwaną przez sterownik"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Flagi debugowania biblioteki Cogl do ustawienia"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Flagi debugowania biblioteki Cogl do usunięcia"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opcje biblioteki Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Wyświetla opcje biblioteki Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Śledzenie biblioteki Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Odniesienia CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Debuguje problemy liczenia odniesień dla CoglObject"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Śledzenie dzielenia tekstur"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "Debuguje tworzenie fragmentów tekstur"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Śledzenie tekstur atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Debuguje zarządzanie teksturami atlas"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Śledzi ciągi mieszane"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Debuguje przetwarzanie CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Śledzenie dziennika"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Wyświetla wszystkie wymiary przechodzące przez dziennik"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Śledzenie przetwarzania"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Wyświetla, jak wymiary są przetwarzane w dzienniku"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Śledzenie macierzy"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Śledzi wszystkie zmiany macierzy"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Śledzenie różnego rysowania"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Śledzi różne działania rysowania"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Śledzenie mechanizmu wyświetlania Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Śledzi mechanizm wyświetlania Pango biblioteki Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Śledzenie mechanizmu CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Śledzi mechanizm map pikseli jako tekstur biblioteki Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Wyświetlanie"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Prostokąty obramowań"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Dodaje przewody obramowań dla wszystkich wymiarów prostokątnych"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Wyświetla ramki przewodów"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Dodaje przewody obramowań dla wszystkich wymiarów"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Główny powód"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Wyłączenie przetwarzania w dzienniku"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Wyłącza przetwarzanie wymiarów w dzienniku biblioteki Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Wyłączenie buforu werteksów GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Wyłącza użycie obiektów bufora werteksów OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Wyłączenie bufora pikseli GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Wyłącza użycie obiektów bufora pikseli OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Wyłączenie programowego przetwarzania prostokątów"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Używa procesora graficznego do przekształcania wymiarów prostokątnych"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Specjalista biblioteki Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Zrzucenie obrazów atlasu"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Zrzuca zmiany tekstur atlas do pliku obrazu"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Wyłączenie atlasowania tekstur"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Wyłącza użycie atlasowania tekstur"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Wyłączenie współdzielenia atlasu tekstur między tekstem a obrazami"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Jeśli ustawiono, to pamięć podręczna glifów zawsze będzie używała oddzielnej "
+"tekstury dla swojego atlasu. W innym przypadku spróbuje współdzielić atlas z "
+"obrazami."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Wyłączenie teksturowania"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Wyłącza teksturowanie wszystkich figur"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Wyłączenie arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Wyłącza użycie programów cząsteczkowych ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Wyłączenie stałego potoku"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Wyłącza użycie mechanizmu potoku stałych funkcji"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Wyłączenie GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Wyłącza użycie GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Wyłączenie mieszania"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Wyłącza użycie mieszania"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Wyłącznie tekstur o rozmiarach niebędących potęgą liczby 2"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Sprawia, że biblioteka Cogl uważa, że sterownik GL nie obsługuje tekstur "
+"NPOT, więc zamiast tego tworzy podzielone tekstury lub tekstury ze stratą."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Wyłączenie programowego skracania"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Wyłącza programowe próby przycinania niektórych prostokątów przez bibliotekę "
+"Cogl."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Wyświetlanie źródła"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Wyświetla utworzony kod źródłowy ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Śledzenie OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Śledzi wybrane wywołania OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Śledzenie obsługi poza ekranem"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Debuguje obsługę poza ekranem"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Wyłączenie pamięci podręcznych programów"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Wyłącza zapasowe pamięci podręczne dla programów ARBfp i GLSL"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Wyłączenie optymalizacji pikseli odczytu"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Wyłącza optymalizację odczytywania 1 piksela dla prostych scen z "
+"nieprzezroczystymi prostokątami"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Śledzenie przycinania"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+"Zapisuje informacje o tym, jak biblioteka Cogl implementuje przycinanie"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Śledzenie spadków wydajności"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Próbuje wyróżnić nieoptymalne użycie biblioteki Cogl."
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diff --git a/po/pt.po b/po/pt.po
new file mode 100644
index 0000000..5ae7e15
--- /dev/null
+++ b/po/pt.po
@@ -0,0 +1,364 @@
+# cogl's portuguese translation.
+# Copyright © 2011, 2012, 2013 cogl
+# This file is distributed under the same license as the cogl package.
+# Duarte Loreto , 2011, 2012, 2013.
+# 
+msgid ""
+msgstr ""
+"Project-Id-Version: 3.8\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2013-03-17 00:40+0000\n"
+"Last-Translator: Duarte Loreto \n"
+"Language-Team: Portuguese \n"
+"Language: pt\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Valores de depuração suportados:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Valores de depuração especiais:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Ativa todas as opções de depuração não-comportamentais"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variáveis de ambiente adicionais:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Lista separada por vírgulas de extensões GL para considerar desativadas"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Redefinir a versão GL que o Cogl irá assumir que o controlador suporta"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Parâmetros de depuração Cogl a definir"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Parâmetros de depuração Cogl a desativar"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opções Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Apresentar as opções do Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Acompanhamento Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Referências CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Depurar problemas de contagem de referências para CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Acompanhar Fatiamento de Texturas"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "Depurar a criação de fatias de texturas"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Acompanhar Texturas Atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Depurar a gestão de texturas atlas"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Acompanhar Mistura de Expressões"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Depurar o processamento de CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Diário de Acompanhamento"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Visualizar toda a geometria a passar pelo diário"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Acompanhar Lotes"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Apresentar como a geometria é loteada no diário"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Acompanhar matrizes"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Acompanhar todas as manipulações de matrizes"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Acompanhar Miscelânea de Desenhos"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Acompanhar algumas operações de desenhos"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Acompanhar Renderizador Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Acompanhar o renderizador Pango do Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Acompanhar o motor de CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Acompanhar o motor de imagens de texturas do Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualizar"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Delimitar retângulos"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Adicionar delimitações a todas as geometrias retangulares"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Apresentar contornos"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Adicionar contornos para todas as geometrias"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Motivo Inicial"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Desativar Loteamento no Diário"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Desativar o loteamento da geometria no Diário Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Desativar Buffers GL Vertex"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Desativar a utilização de objetos de buffer vertex OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Desativar Buffer de Pixels GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Desativar a utilização de objetos de buffer de pixels OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Desativar a transformação de retângulos pela aplicação"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Utilizar o Processador Gráfico para transformar geometria retangular"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Especialista Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Despejar imagens atlas"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Despejar alterações de texturas atlas num ficheiro de imagem"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Desativar atlas de texturas"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Desativar a utilização de atlas de texturas"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Desativar a partilha de texturas atlas entre texto e imagens"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Quando definido, a cache de glifos irá utilizar sempre uma textura separada "
+"para o seu atlas. Caso contrário, tentará partilhar o atlas com as imagens."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Desativar texturas"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Desativar texturas de quaisquer primitivas"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Desativar arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Desativar a utilização de aplicações de fragmentos ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Desativar fixa"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Desativar a utilização do motor de canal de função fixa"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Desativar GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Desativar a utilização do GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Desativar mistura"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Desativar a utilização de mistura"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Desativar texturas que não sejam potência-de-dois"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Faz o Cogl pensar que o controlador GL não suporta texturas Potência-de-dois "
+"pelo que irá criar texturas fatiadas ou texturas com desperdício."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Desativar corte por aplicação"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Desativa a tentativa do Cogl de cortar na aplicação alguns retângulos."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Apresentar fonte"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Apresenta o código fonte ARBfp/GLSL gerado"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Acompanhar algum OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Acompanha algumas chamadas OpenGL selecionadas"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Acompanhar suporte fora do ecrã"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Depurar suporte fora do ecrã"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Desativar caches da aplicação"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Desativar caches de recurso para aplicações arbfp e glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Desativar otimização de pixel lido"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Desativar a otimização para leitura de 1px de cenas simples de retângulos "
+"opacos"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Acompanhar corte"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Regista informação sobre como o Cogl está a implementar o corte"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Acompanhar problemas de desempenho"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Tenta realçar utilização subótima do Cogl."
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zibdz5s#(1EwQ|!;hsc74zIVR4tYpkM%W7L1@s%, 2011.
+# Guilherme Barbosa Ferreira , 2012.
+# Enrico Nicoletto , 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-30 23:10-0300\n"
+"Last-Translator: Rafael Ferreira \n"
+"Language-Team: Português do Brasil \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Valores de depuração suportados:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Valores especiais de depuração:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Habilita todas as opções de depuração não comportamentais"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Variáveis de ambiente adicionais:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Lista separada por vírgula contendo extensões de GL para fingir estarem "
+"desabilitadas"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Sobrescrever a versão de GL que o Cogl vai presumir que o driver suporta"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Opções de depuração do Cogl a serem ativadas"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Opções de depuração do Cogl a serem desativadas"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opções do Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Mostrar opções do Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Rastreamento do Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Referências de CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Depurar problemas de contagem de referências para CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Rastrear fatiamento de texturas"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "depurar a criação de fatiamentos de textura"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Rastrear texturas atlas"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Gerenciamento de depuração de texturas atlas"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Rastrear mesclagem de Strings"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Análise de depuração do CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Rastrear diário"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Visualize toda a geometria que passa através do diário"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Rastrear o processamento de lotes"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Mostra como a geometria está sendo processada no diário"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Rastrear matrizes"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Rastrear toda manipulação de matrizes"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Rastrear miscelânea de desenho"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Rastreia algumas operações variadas de desenho"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Rastrear renderizador Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Rastrear o renderizador Pango do Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Rastrear a retaguarda (backend) CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Rastreia a retaguarda (backend) da textura pixmap do Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualizar"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Contornar retângulos"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Adiciona contornos de linha para toda a geometria retângular"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Mostrar quadro de arame"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Adiciona contornos de linha para toda a geometria"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Causa raíz"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Desabilitar o processamento em lote do diário"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Desabilita o processamento em lote de geometria no diário Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Desabilitar os buffers de vértices GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Desabilita a utilização de objetos de buffers de vértices do OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Desabilitar os buffers de píxel GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Desabilita a utilização de objetos de buffers de píxels do OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Desabilitar a transformada de reta por software"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Utiliza a GPU para a transformar geometria retângular"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Especialista Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Descarregar imagens atlas"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Descarrega alterações em texturas atlas para um arquivo de imagem"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Desabilitar texturas atlas"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Desabilita a utilização de texturas atlas"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+"Desabilitar o compartilhamento de texturas atlas entre textos e imagens"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Quando isto é configurado o cache de glifo sempre utilizará uma textura "
+"separada para cada atlas. Caso contrário, ele tentará compartilhar o atlas "
+"com imagens."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Desabilitar texturização"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Desativar texturização de quaisquer primitivas"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Desabilitar arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Desabilitar a utilização de programas de fragmento ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Desabilitar fixado"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+"Desabilita o uso da função fixa de linha de processamento da retaguarda "
+"(backend)"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Desabilitar GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Desabilitar uso do GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Desabilita a mistura (blending)"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Desabilitar a utilização de mistura (blending)"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Desabilitar texturas que não sejam elevadas ao quadrado (^2)"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Faz o Cogl acreditar que o driver GL não suporta texturas NPOT para que "
+"deste modo sejam criadas texturas fatiadas ou texturas com resíduos."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Desabilitar o recorte por software"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"Desabilita as tentativas do Cogl em recortar alguns retângulos no software."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Exibir fonte"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Mostrar o código-fonte ARBfp/GLSL gerado"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Rastrear um pouco o OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Rastreia algumas chamadas selecionadas do OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Rastrear suporte fora da tela (offscreen)"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Realiza depuração de suporte fora da tela (offscreen)"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Desabilitar cache de programas"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Desabilitar os caches de reserva para os programas arbfp e glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Desabilitar a otimização de leitura de píxel"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Desabilita a otimização de leitura de 1 píxel para cenas simples de "
+"retângulos opacos."
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Rastrear recortes"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Registra informações sobre como Cogl está implementando recortes"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Rastrear problemas de performance"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Tenta ressaltar o uso não ótimo de Cogl."
diff --git a/po/quot.sed b/po/quot.sed
new file mode 100644
index 0000000..0122c46
--- /dev/null
+++ b/po/quot.sed
@@ -0,0 +1,6 @@
+s/"\([^"]*\)"/“\1”/g
+s/`\([^`']*\)'/‘\1’/g
+s/ '\([^`']*\)' / ‘\1’ /g
+s/ '\([^`']*\)'$/ ‘\1’/g
+s/^'\([^`']*\)' /‘\1’ /g
+s/“”/""/g
diff --git a/po/remove-potcdate.sin b/po/remove-potcdate.sin
new file mode 100644
index 0000000..2436c49
--- /dev/null
+++ b/po/remove-potcdate.sin
@@ -0,0 +1,19 @@
+# Sed script that remove the POT-Creation-Date line in the header entry
+# from a POT file.
+#
+# The distinction between the first and the following occurrences of the
+# pattern is achieved by looking at the hold space.
+/^"POT-Creation-Date: .*"$/{
+x
+# Test if the hold space is empty.
+s/P/P/
+ta
+# Yes it was empty. First occurrence. Remove the line.
+g
+d
+bb
+:a
+# The hold space was nonempty. Following occurrences. Do nothing.
+x
+:b
+}
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diff --git a/po/ru.po b/po/ru.po
new file mode 100644
index 0000000..873f062
--- /dev/null
+++ b/po/ru.po
@@ -0,0 +1,368 @@
+# Russian translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# Vitteran , 2011.
+# Yuri Kozlov , 2012.
+# Yuri Myasoedov , 2011, 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-23 20:09+0400\n"
+"Last-Translator: Yuri Myasoedov \n"
+"Language-Team: русский \n"
+"Language: ru\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)\n"
+"X-Generator: Lokalize 1.0\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Поддерживаемые значения отладки:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Специальные значения отладки:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Включить все внеповеденческие параметры отладки"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Дополнительные переменные окружения:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Список отключённых расширений GL, разделённый запятыми"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Переопределить версию GL, для которой Cogl имеет поддержку драйвера"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Отладочные флаги Cogl для установки"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Отладочные флаги Cogl для сброса"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Параметры Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Показать параметры Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Трассировка Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Ссылки CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Отладить подсчёт ссылок CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Трассировка нарезки текстур"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "отладка создания слоёв текстур"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Трассировка атласа текстур"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Отладка управления атласом текстур"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Трассировка смешанных строк"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Отладка разбора CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Журнал трассировки"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Показывать все фигуры, передаваемую через журнал"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Трассировка комплектации"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Показывать как фигуры комплектуется в журнале"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Трассировка матриц"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Трассировать все операции с матрицами"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Трассировка различных рисований"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Трассировать некоторые другие операции рисования"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Трассировка визуализатора Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Трассировать визуализатор Cogl Pango"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Трассировка обработчик CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Трассировать обработчик точечных карт текстур Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Визуализировать"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Очертить прямоугольниками"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Добавить контуры для всех прямоугольных фигур"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Показать контуры"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Добавить контуры для всех фигур"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Коренная причина"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Отключить журнал комплектации"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Отключить комплектацию фигур в журнале Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Выключить буферы GL Vertex"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Запретить использование вершинных буферных объектов OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Выключить буферы GL Pixel"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Запретить использование пиксельных буферных объектов OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Выключить программное преобразование прямоугольных координат"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Использовать GPU для преобразований прямоугольных координат"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Специалист Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Дамп атласа изображений"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Записать дамп изменений атласа текстур в файл изображений"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Выключить атлас текстур"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Не использовать атлас текстур"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Выключить общий атлас текстур между текстом и изображениями"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"При определении кэша глифов всегда использовать отдельную текстуру для этого "
+"атласа. В противном случае попытаться использовать общий атлас изображений."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Выключить текстурирование"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Выключить текстурирование примитивов"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Выключить arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Не использовать ARB-фрагменты программ"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Выключить постоянный обработчик"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Не использовать постоянный функциональный конвейерный обработчик"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Выключить GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Не использовать GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Отключить смешивание"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Отключить использование смешивания"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Выключить текстуры не степени двойки"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Заставить Cogl думать, что драйвер GL не поддерживает текстуры NPOT для "
+"того, чтобы вместо них он создавал слоистые текстуры или избыточные текстуры."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Выключить программное усечение"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Запретить Cogl пытаться усекать некоторые прямоугольники программно."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Показать исходный код"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Показать сгенерированный исходный код ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Частичная трассировка OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Трассировка некоторых выбранных вызовов OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Трассировка закадровой поддержки"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Отладка закадровой поддержки"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Выключить программные кэши"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Выключить запасные кэши для программ arbfp и glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Выключить оптимизацию чтения пикселя"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Выключить оптимизацию для чтения 1px на простых сценах с непрозрачными "
+"прямоугольниками"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Трассировка усечения"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Протоколировать информацию о том, как Cogl реализует усечение"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Трассировка проблем с производительностью"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Пытается выделить неоптимальное использование Cogl."
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diff --git a/po/sk.po b/po/sk.po
new file mode 100644
index 0000000..af5400b
--- /dev/null
+++ b/po/sk.po
@@ -0,0 +1,460 @@
+# Slovak translation for cogl.
+# Copyright (C) 2013 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# Jan Kyselica , 2013.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl cogl-1.14\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2013-03-24 10:53+0100\n"
+"Last-Translator: Ján Kyselica \n"
+"Language-Team: Slovak \n"
+"Language: sk\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=(n==1) ? 1 : (n>=2 && n<=4) ? 2 : 0;\n"
+"X-Generator: Poedit 1.5.4\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Podporované ladiace hodnoty:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Špeciálne ladiace hodnoty:"
+
+# popis prepínača
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Povolí všetky ladiace voľby, ktoré sa netýkajú správania"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Dodatočné premenné prostredia:"
+
+# popis premennej prostredia
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"Čiarkami oddelený zoznam rozšírení GL, pri ktorých sa má predstierať, že sú "
+"zakázané"
+
+# popis premennej prostredia
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Prepíše na verziu GL, o ktorej Cogl predpokladá, že je podporovaná ovládačom"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Nastaviť ladiace značky rozhrania Cogl"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Zrušiť nastavenie ladiacich značiek rozhrania Cogl"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Voľby pre Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Zobrazí voľby pre Cogl"
+
+# názov skupiny ladiacich hodnôt
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Trasovanie rozhrania Cogl"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Odkazy na CoglObject"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Ladí problémy s počítaním odkazov na CoglObjects"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Sledovať delenie textúry"
+
+# PM: prečo je to malým písmenom ked všetky ostatné reťazce sú veľkým, nahlás bug
+# JK: https://bugzilla.gnome.org/show_bug.cgi?id=695237
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "ladí tvorbu častí textúry"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Sledovať atlas textúr"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Ladí správu atlasu textúr"
+
+# PM: skôr zmiešanie, prelnutie - inde si použil miešanie
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Sledovať miešanie reťazcov"
+
+# PM: je to popis môžeme byť obšírnejší, syntaktickú analýzu
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Ladí syntaktickú analýzu CoglBlendString"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Sledovať žurnál"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Zobrazí všetky geometrické tvary prechádzajúce cez žurnál"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Sledovať dávkové spracovanie"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Zobrazí ako sú geometrické tvary dávkovo spracovávané v žurnále"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Sledovať matice"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Sleduje celú manipuláciu s maticami"
+
+# formátovaný názov ladiacej hodnoty
+# /* XXX we should replace the "draw" option its very hand wavy... */
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Sledovať kreslenie rôznymi štýlmi"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Sleduje niektoré operácie kreslenia rôznymi štýlmi"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Sledovať vykreslovanie knižnicou Pango"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Sleduje vykreslovanie knižnicou Pango v rozhraní Cogl"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Sledovať obslužný program CoglTexturePixmap"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Sleduje obslužný program pixmapových textúr Cogl"
+
+# názov skupiny ladiacich hodnôt
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Vizualizácia"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Obrysy obdĺžnikov"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Pridá obrysy pre všetky obdĺžnikové tvary"
+
+# PK: wireframe neni oramovanie
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Zobraziť drôtový model"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Pridá drôtový model pre všetky geometrické tvary"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Základné veci"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Zakázať dávkové spracovanie v žurnále"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+"Zakáže dávkové spracovanie geometrických tvarov v žurnále rozhrania Cogl."
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Zakázať vyrovnávacie pamäte pre vrcholy v GL"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Zakáže používanie vyrovnávacej pamäte pre vertexy objektov v OpenGL"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Zakázať vyrovnávacie pamäte pre pixely v GL"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Zakáže používanie vyrovnávacej pamäte pre pixely objektov v OpenGL"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Zakázať softvérovú transformáciu obdĺžnikov"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Použije grafický procesor na transformáciu obdĺžnikových tvarov"
+
+# názov skupiny ladiacich hodnôt
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Odborné veci"
+
+# MČ: Uložiť mi evokuje, že som si pripravil nejaké údaje a chcem ich uchovať. Dump má podľa mňa význam „odložiť si nejaký polotovar, ktorý vznikol počas práce programu“, takže by som možno bol za preklad „odložiť“, ale nechám na zváženie.
+# PM: chápem to ako uloženie atlasu vo forme obrázka kvôli ladeniu odložiť sa mi sem nehodí
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Uložiť atlas obrázkov"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Uloží zmeny atlasu textúr do obrázkového súboru"
+
+# formátovaný názov ladiacej hodnotydump
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Zakázať tvorbu atlasu z textúr"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Zakáže vytváranie atlasu z textúr"
+
+# PK: sharing je zevraj nespisovne, nemam tusenie ako to prelozit inak
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+"Zakázať spoločné používanie atlasu textúr v texte a zároveň aj v obrázkoch."
+
+# PM: zdá sa mi že originál hovorí niečo iné ako preklad.
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Ak je toto nastavené, tak pamäť znakov bude používať textúru oddelene od jej "
+"atlasu. V opačnom prípade sa pokúsi zdieľať atlas spolu s obrázkami."
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Zakázať textúrovanie"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Zakáže textúrovanie všetkých jednoduchých tvarov"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Zakázať arbfp"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Zakáže používanie fragmentovacích programov ARB"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Zakázať fixné"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Zakáže používanie zreťazenia fixných funkcií obslužného programu"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Zakázať GLSL"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Zakáže používanie GLSL"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Zakázať miešanie"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Zakáže používanie miešania"
+
+# PK: preco nie textury co nejsu mocninou 2
+# formátovaný názov ladiacej hodnoty
+# JK: v nasledujucom retazci je pouzita skratka NPOT, preklad moze byt matuci
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Zakázať textúry, ktoré nie sú mocninou dvojky (NPOT)"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Cogl bude pracovať ako keby ovládač GL nepodporoval textúry typu NPOT. "
+"Textúry sa buď rozdelia na časti alebo bude vznikať prázdny priestor."
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Zakázať softvérové orezávanie"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Zakáže pokusy o softvérové orezanie niektorých obdĺžnikových tvarov."
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Zobraziť zdrojový kód"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Zobrazí vygenerovaný zdrojový kód ARBfp/GLSL"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Sledovať OpenGL"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Sledovanie volaní vybraných funkcií OpenGL"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Sledovať podporu mimoobrazovkového vykreslovania"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Ladí podporu mimoobrazovkového vykreslovania"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Zakázať programom používanie vyrovnávacej pamäte"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Zakáže núdzové vyrovnávacie pamäte pre programy arbfp a glsl"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Zakázať optimalizáciu čítania pixelov"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Zakáže optimalizáciu čítania jednoduchých scén z nepriehľadných obdĺžnikov "
+"po 1 pixeli"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Sledovať orezávanie"
+
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Zapisuje informácie o spôsobe akým Cogl implementuje orezávanie"
+
+# formátovaný názov ladiacej hodnoty
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Sledovať aspekty výkonnosti"
+
+# PM: čo znamená suboptimálne? takmer optimálne?
+# JK: áno, niečo v tom význame.
+# PK: preco nie menej optimalne?
+# JK: Co je zle na suboptimalne? Bezne sa to pouziva, v skole sa s tym stretavam pravidelne.
+# MČ: pokiaľ mám správne informácie, tak slovo „optimálne“ má takú hlúpu vlastnosť, že sa nedá stupňovať a predstavuje najvyšší stupeň. Teda menej optimálne je z tohto pohľadu nezmysel. Takže niečo je optimálne, alebo nie je optimálne. Suboptimálne sa dá teda preložiť ako horšie ako optimálne, ale nie o mnoho. 
+# PM: čiže takmer optimálne
+# popis (description) ladiacej hodnoty
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Pokúsi sa zvýrazniť takmer optimálne použitie rozhrania Cogl."
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zI$5kK1%^FRVC<3z@v>z@>;sy%1>V
zT9hj?e?aE9#6nSupkD_noQ|d+JsVQC8JH, 2011 - 2012
+# Matic Gradišer <0mickey@gmail.com>, 2012.
+# Matej Urbančič , 2011 - 2012
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-07 09:19+0100\n"
+"Last-Translator: Matej Urbančič \n"
+"Language-Team: Slovenian GNOME Translation Team \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=4; plural=(n%100==1 ? 1 : n%100==2 ? 2 : n%100==3 || n"
+"%100==4 ? 3 : 0);\n"
+"X-Poedit-Country: SLOVENIA\n"
+"X-Poedit-Language: Slovenian\n"
+"X-Poedit-SourceCharset: utf-8\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Podprta določila razhroščevanja:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Posebna določila razhroščevanja:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Omogoči vse ne-prikazne možnosti razhroščevanja"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Dodatne okoljske spremenljivke:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Z vejico ločen seznam razširitev GL, ki naj bi bile onemogočene"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Prepiši različico GL, za katero je predvidena podpora gonilnikov"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Zastavice razhroščevanja Cogl za nastavljanje"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Zastavice razhroščevanja Cogl za odstranitev"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Možnosti Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Pokaži možnosti Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Sledenje Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Sklici predmetov CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Razhroščevanje sklicev števca napak predmetov CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Sledi porezavi tekstur"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "razhroščevanje ustvarjanja porezav teksture"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Sledi teksturam nabora"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Razhroščevanje upravljanja nabora tekstur"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Sledi nizom zlivanja"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Razhroščevanje razčlenitev CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Sledi dnevniku"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Preglej celotno geometrijo predmetov, ki se beležijo v dnevnik"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Sledi paketni obdelavi"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Pokaži paketno obdelavo geometrije predmetov v dnevniku"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Sledi matrikam"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Sledi vsem obdelavam matrik"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Sledi risanju"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Sledi nekaterim risarskim opravilom"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Sledi izrisovalniku Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Sledi izrisovalniku Cogl Pango"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Sledi zaledju CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Sledi zaledju sličic teksture Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Predoči"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Oriši pravokotnike"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Dodaj črtni oris geometriji risanim pravokotnim predmetom"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Pokaži črtne orise"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Dodaj črtni oris vsem risanim predmetom"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Korenski vzrok"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Onemogoči paketno obdelavo dnevnika"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Onemogoči paketno obdelovanje geometrije v dnevniku Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Onemogoči medpomnilnik točk GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Onemogoči uporabo točkovnega medpomnilnika predmetov OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Onemogoči medpomnilnik sličic GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Onemogoči uporabo medpomnilnika sličic predmetov OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Onemogoči programsko preoblikovanje pravokotnikov"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Uporabi GPE za preoblikovanje geometrije pravokotnih predmetov"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Specialist Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Izriši slike nabora tekstur"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Izriši spremembe nabora tekstur v slikovno datoteko"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Onemogoči zbiranje nabora tekstur"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Onemogoči uporabo zbiranja nabora tekstur"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Onemogoči souporabo nabora tekstur med besedilom in slikami"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Izbrana možnost omogoča uporabo predpomnjenja pismenk v ločenem naboru "
+"tekstur. Sicer bo nabor souporabljen med pismenkami in slikami."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Onemogoči sestavljanje nabora"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Onemogoči teksturiranje primitivov"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Onemogoči arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Onemogoči uporabo fragmentarnih programov ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Onemogoči določeno"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Onemogoči uporabo zaledja stalnih funkcij cevovoda"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Onemogoči GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Onemogoči uporabo GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Onemogoči zlivanje"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Onemogoči uporabo zlivanja"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Onemogoči nekvadratne teksture"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Vsili nastavitev, da gonilnik GL ne podpira tekstur NPOT in bo zato program "
+"Cogl ustvaril razrezane teksture."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Onemogoči programski odrez"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Onemogoči poskuse Cogl, da odreže nekatere pravokotnike v programju."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Prikaži vir"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Pokaži ustvarjeno izvorno kodo ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Sledi delovanju OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Sledi nekaterim izbranim klicem OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Sledi podpori zunaj zaslona"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Razhroščevanje podpore zunaj zaslona"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Onemogoči predpomnilnike programa"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Onemogoči zasilne predpomnilnike za programe arbfp in glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Onemogoči prilagajanje branja sličic"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Onemogoči prilagajanje branja ene slikovne točke za enostavne prizore s "
+"prekrivnimi pravokotniki"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Sledi odrezovanju"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Beleži podatke podrobnosti o izvajanju odrezovanja s programom Cogl"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Opombe k zaznavi izvajanja"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Poskus poudarjanja ne-optimalne uporabe sistema Cogl."
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znbA`_$&iZvH, 2011, 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-27 05:41+0200\n"
+"Last-Translator: Мирослав Николић \n"
+"Language-Team: Serbian \n"
+"Language: sr\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=4; plural=n==1? 3 : n%10==1 && n%100!=11 ? 0 : n"
+"%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+"X-Project-Style: gnome\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Подржане вредности прочишћавања:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Посебне вредности прочишћавања:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Укључује све не-понашајуће опције прочишћавања"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Додатне променљиве окружења:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Зарезом раздвојен списак ГЛ проширења која су искључена"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Превазилази ГЛ издање за које ће Когл сматрати да га подржавају управљачки "
+"програми"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Коглове опције прочишћавања за постављање"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Коглове опције прочишћавања за уклањање"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Опције Когла"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Приказује опције Когла"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Коглово праћење"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Референце објекта Когла"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Прочишћава проблеме бројања референци за објекте Когла"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Прати исецање склопа"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "Прочишћава стварање исечака склопа"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Прати склопове атласа"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Прочишћава управљање атласом склопа"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Прати ниске стапања"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Прочишћава обрађивање ниски стапања Когла"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Прати рукавац"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Прегледа све облике који пролазе кроз рукавац"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Прати груписање"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Приказује како облик бива груписан у рукавцу"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Прати матрице"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Прати сва руковања матрицом"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Прати мешано цртање"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Прати неке радње мешаног цртања"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Прати Панго исцртавача"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Прати Когл Панго исцртавача"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Прати позадинца мапе тачака склопа Когла"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Прати позадинца мапе тачака склопа Когла"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Обвидни"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Правоугаоници контуре"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Додаје жичане контуре за све правоугаоне облике"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Приказује жичане рамове"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Додаје жичане контуре за све облике"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Корени узрок"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Искључи груписање рукавца"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Искључује груписање облика у рукавцу Когла."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Искључи међумеморије врхунца ГЛ-а"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Искључује коришћење објеката међумеморије врхунца ОпенГЛ-а"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Искључи међумеморије тачке ГЛ-а"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Искључује коришћење објеката међумеморије тачке ОпенГЛ-а"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Искључи софтверско преображавање правоугаоника"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Користи графички процесор за преображавање правоугаоног облика"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Специјалиста Когла"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Ускладишти слике атласа"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Складишти измене атласа склопа у датотеку слике"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Искључи атласирање склопа"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Искључује употребу атласирања склопа"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Искључи дељење атласа склопа између текста и слика"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Када је ово подешено остава симбола ће увек користити одвојене склопове за "
+"свој атлас. У супротном ће покушати да дели атлас са сликама."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Искључи приказ склопа"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Искључује приказ склопа било које основне функције"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Искључи арбфп"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Искључује употребу програма АРБ одломака"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Искључи сталну"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Искључује употребу позадинца спојке сталне функције"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Искључи ГЛСЛ"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Искључује употребу ГЛСЛ-а"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Искључи стапање"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Искључује употребу стапања"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Искључи склопове који нису степен двојке"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Чини да Когл мисли да ГЛ управљачки програм не подржава НПОТ склопове тако "
+"да ће направити исецкане склопове или склопове са расипањем уместо тога."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Искључи софтверско одсецање"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Искључује Коглове покушаје да одсече неке правоугаонике у софтверу."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Прикажи извор"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Приказује створени АРБфп/ГЛСЛ изворни код"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Прати неки ОпенГЛ"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Прати неке одабране позиве ОпенГЛ-а"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Прати ванекранску подршку"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Прочисти ванекранску подршку"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Искључи оставе програма"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Искључује оставе пребацивања за арбфп и глсл програме"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Искључи оптимизацију читања тачке"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Искључује оптимизацију за читање 1 тачке за једноставне сцене непрозирних "
+"правоугаоника"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Прати одсецање"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Записује податке о томе како Когл примењује одсецање"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Прати уделе учинка"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Покушава да истакне подоптимално коришћење Когла."
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+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-27 05:41+0200\n"
+"Last-Translator: Miroslav Nikolić \n"
+"Language-Team: Serbian \n"
+"Language: sr\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=4; plural=n==1? 3 : n%10==1 && n%100!=11 ? 0 : n"
+"%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;\n"
+"X-Project-Style: gnome\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Podržane vrednosti pročišćavanja:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Posebne vrednosti pročišćavanja:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Uključuje sve ne-ponašajuće opcije pročišćavanja"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Dodatne promenljive okruženja:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Zarezom razdvojen spisak GL proširenja koja su isključena"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+"Prevazilazi GL izdanje za koje će Kogl smatrati da ga podržavaju upravljački "
+"programi"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Koglove opcije pročišćavanja za postavljanje"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Koglove opcije pročišćavanja za uklanjanje"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Opcije Kogla"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Prikazuje opcije Kogla"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Koglovo praćenje"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Reference objekta Kogla"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Pročišćava probleme brojanja referenci za objekte Kogla"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Prati isecanje sklopa"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "Pročišćava stvaranje isečaka sklopa"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Prati sklopove atlasa"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Pročišćava upravljanje atlasom sklopa"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Prati niske stapanja"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Pročišćava obrađivanje niski stapanja Kogla"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Prati rukavac"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Pregleda sve oblike koji prolaze kroz rukavac"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Prati grupisanje"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Prikazuje kako oblik biva grupisan u rukavcu"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Prati matrice"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Prati sva rukovanja matricom"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Prati mešano crtanje"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Prati neke radnje mešanog crtanja"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Prati Pango iscrtavača"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Prati Kogl Pango iscrtavača"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Prati pozadinca mape tačaka sklopa Kogla"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Prati pozadinca mape tačaka sklopa Kogla"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Obvidni"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Pravougaonici konture"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Dodaje žičane konture za sve pravougaone oblike"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Prikazuje žičane ramove"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Dodaje žičane konture za sve oblike"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Koreni uzrok"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Isključi grupisanje rukavca"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Isključuje grupisanje oblika u rukavcu Kogla."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Isključi međumemorije vrhunca GL-a"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Isključuje korišćenje objekata međumemorije vrhunca OpenGL-a"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Isključi međumemorije tačke GL-a"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Isključuje korišćenje objekata međumemorije tačke OpenGL-a"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Isključi softversko preobražavanje pravougaonika"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Koristi grafički procesor za preobražavanje pravougaonog oblika"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Specijalista Kogla"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Uskladišti slike atlasa"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Skladišti izmene atlasa sklopa u datoteku slike"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Isključi atlasiranje sklopa"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Isključuje upotrebu atlasiranja sklopa"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Isključi deljenje atlasa sklopa između teksta i slika"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Kada je ovo podešeno ostava simbola će uvek koristiti odvojene sklopove za "
+"svoj atlas. U suprotnom će pokušati da deli atlas sa slikama."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Isključi prikaz sklopa"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Isključuje prikaz sklopa bilo koje osnovne funkcije"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Isključi arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Isključuje upotrebu programa ARB odlomaka"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Isključi stalnu"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Isključuje upotrebu pozadinca spojke stalne funkcije"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Isključi GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Isključuje upotrebu GLSL-a"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Isključi stapanje"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Isključuje upotrebu stapanja"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Isključi sklopove koji nisu stepen dvojke"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Čini da Kogl misli da GL upravljački program ne podržava NPOT sklopove tako "
+"da će napraviti iseckane sklopove ili sklopove sa rasipanjem umesto toga."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Isključi softversko odsecanje"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Isključuje Koglove pokušaje da odseče neke pravougaonike u softveru."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Prikaži izvor"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Prikazuje stvoreni ARBfp/GLSL izvorni kod"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Prati neki OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Prati neke odabrane pozive OpenGL-a"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Prati vanekransku podršku"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Pročisti vanekransku podršku"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Isključi ostave programa"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Isključuje ostave prebacivanja za arbfp i glsl programe"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Isključi optimizaciju čitanja tačke"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Isključuje optimizaciju za čitanje 1 tačke za jednostavne scene neprozirnih "
+"pravougaonika"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Prati odsecanje"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Zapisuje podatke o tome kako Kogl primenjuje odsecanje"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Prati udele učinka"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Pokušava da istakne podoptimalno korišćenje Kogla."
diff --git a/po/stamp-po b/po/stamp-po
new file mode 100644
index 0000000..9788f70
--- /dev/null
+++ b/po/stamp-po
@@ -0,0 +1 @@
+timestamp
diff --git a/po/sv.gmo b/po/sv.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..c6ab5f00c010badc756a565b72e0722a7efd0d1c
GIT binary patch
literal 1729
zcma)*OK%)S5XT!5UduZX;lQf_afrg~!&pi*aUizWK}I&QyiSm~px&99*=BpYN8LSZ
zoEwO5fcOAN;l=?DSmJ_^R(t^@4shTLaN)=e{yj6hUI!tirJmnZb#--Bb=M!~&VI=-
z&SAcY`3>evm}?K%(9o8T{C@c$3U!HW;o
z{@w$hf&3wO0UU!bgP(zy!LJ(qZ{TZ?{{ln&=O3>3zX}HX9{38l2ll}N3~_%CBAip>
zsYVL53^~omqxeBO3`ejQX4oG_$O~at`5>(-UVuG<8EQTsAub$Ok4=*+ezWk>XvZoc
zrD2)pQs+EVB6r*y?#Tb|TB*ZoKWyS*|Ar!+4!jKx3Sk|{`qGJ^BL42qU}qr+JIsoO
z4=-G-m|5{e#eDUTpJw?X(Xo7lvXHS#mh~T!eC?$t2j<;a?)glrW`nXQj14a922+gmF|LpYWDCg%VO<<;e(dko>jMXVH}t
zyXsQNMq3)Uk5?D-D?{m9>;|5EZY;@?}J05EoxzG@&R=Mz=J3qUN8{ksk
zhp`uYh})c7-rF*fH>x^|ZEG?1a*9`5x4@EIcg~WcZXT-IXGtyebaq##A#^ULwVU?Xu$%(O&x!~D, 2011, 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-04-01 20:24+0100\n"
+"Last-Translator: Daniel Nylander \n"
+"Language-Team: Swedish \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Felsökningsvärden som stöds:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Speciella felsökningsvärden:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Aktiverar alla icke-beteendesakliga felsökningsflaggor"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Felsökningsflaggor för Cogl att ställa in"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Felsökningsflaggor för Cogl att ta bort"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Flaggor för Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Visa flaggor för Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Felsök CoglBlendString-tolkning"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Visualisera"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Visa trådramar"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Använd grafikprocessorn för att transformera rektangulär geometri"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Inaktivera texturering"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Inaktivera arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Inaktivera GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Inaktivera användning av GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Visa källkod"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Visa genererad ARBfp/GLSL-källkod"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
diff --git a/po/ta.gmo b/po/ta.gmo
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literal 0
HcmV?d00001

diff --git a/po/ta.po b/po/ta.po
new file mode 100644
index 0000000..2f8b321
--- /dev/null
+++ b/po/ta.po
@@ -0,0 +1,368 @@
+# Tamil translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+#
+# Shantha Kumar  2012.
+# I Felix , 2011.
+# Dr.T.Vasudevan , 2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-09-20 10:51+0530\n"
+"Last-Translator: Dr.T.Vasudevan \n"
+"Language-Team: Tamil \n"
+"Language: ta\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Lokalize 1.1\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "ஆதரிக்கப்படும் வழுநீக்கல் மதிப்புகள்:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "சிறப்பு வழுநீக்கல் மதிப்புகள்:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "நடத்தை - அல்லாத பிற ஏல்லா வழுநீக்கல் விருப்பங்களையும் செயல்படுத்தும்"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "கூடுதல் சூழல் மாறிகள்:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "காண்பித்துக்கொள்ள வேண்டிய GL நீட்சிகளின் கமாவால் பிரித்த பட்டியல் முடக்கப்பட்டுள்ளது"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "இயக்ககம் ஆதரிக்கும் என Cogl அனுமானித்துக்கொள்ளும் GL பதிப்பை மீறி செயல்படுத்து"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl பிழைதிருத்துதல் கொடிகளை அமைக்கிறது"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl பிழைதிருத்துதல் கொடிகளை அமைத்தல்நீக்குகிறது"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl விருப்பங்கள்"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl விருப்பங்களை காட்டவும்"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl தடமறிதல்"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject குறிப்புகள்"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "CoglObjects க்கான குறிப்பு எண்ணிடல் சிக்கல்களை வழுநீக்கு"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "டெக்ஸ்ச்சர் ஸ்லைசிங்கை தடமறி"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "டெக்ஸ்ச்சர் ஸ்லைசஸின் உருவாக்கத்தை வழுநீக்கு"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "அட்லாஸ் டெக்ஸ்ச்சர்களைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "டெக்ஸ்ச்சர் அட்லாஸ் நிர்வாகத்தை வழுநீக்கு"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "கலப்பு சரங்களைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "CoglBlendString பாகுபடுத்தலை வழுநீக்கு"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "இதழைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "இதழின் வழியே கடந்து செல்லும் எல்லா வடிவங்களையும் காண்பி"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "தொகுப்பாக்கத்தைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "இதழில் வடிவம் எப்படி தொகுப்பாக்கம் செய்யப்படுகிறது எனக் காண்பி"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "அணிகளைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "எல்லா அணி கையாளுகைகளையும் தடமறி"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "மற்ற வரைபொருள்களைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "சில மற்ற வரைபொருள் செயல்பாடுகளைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "பேங்கோ ரென்டரரைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Cogl பேங்கோ ரென்டரரைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "CoglTexturePixmap பின்புல முறைமையைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "CoglTexturePixmap பின்புல டெக்ஸ்ச்சர் முறைமையைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "காட்சிப்படுத்து"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "வெளிவரை செவ்வகங்கள்"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "செவ்வக வடிவங்கள் அனைத்துக்கும் வயர் வெளிவரையைச் சேர்க்கவும்"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "வயர்ஃப்ரேம்களைக் காண்பி"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "வடிவங்கள் அனைத்துக்கும் வயர் வெளிவரையைச் சேர்க்கவும்"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "மூலக் காரணம்"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "இதழ் தொகுப்பாக்கத்தை முடக்கு"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Cogl இதழில் வடிவங்களைத் தொகுப்பாக்கம் செய்தலை முடக்கு."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "GL முனை தாங்கல்களை முடக்கு"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "OpenGL முனை தாங்கல் பொருள்களைப் பயன்படுத்துவதை முடக்கு"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "GL பிக்சல் தாங்கல்களை முடக்கு"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "OpenGL பிக்சல் தாங்கல் பொருள்களைப் பயன்படுத்துவதை முடக்கு"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "மென்பொருள் செவ்வக உருமாற்றத்தை முடக்கு"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "செவ்வக வடிவத்தை உருமாற்ற GPU வைப் பயன்படுத்து"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl வல்லுநர்"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "அட்லாஸ் படங்களைத் திணி"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "டெக்ஸ்ச்சர் அட்லாஸ் மாற்றங்களை ஒரு படக் கோப்பில் திணி"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "டெக்ஸ்ச்சர் அட்லாசிங்கை முடக்கு"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "டெக்ஸ்ச்சர் அட்லாஸிங்கைப் பயன்படுத்துவதை முடக்கு"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "உரைக்கும் படங்களுக்கும் இடையே டெக்ஸ்ச்சர் அட்லாசைப் பகிர்ந்துகொள்ளுதலை முடக்கு"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"இதை அமைத்திருந்தால், கிளிஃப் தேக்ககமானது அதன் அட்லாசுக்கு எப்போதும் தனியான ஒரு "
+"டெக்ஸ்ச்சரையே பயன்படுத்தும். இல்லாவிட்டால் அட்லாஸை படங்களுடன் பகிர்ந்துகொள்ள முயற்சிக்கும்."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "டெக்ஸ்ச்சரிங் செய்தலை முடக்கு"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "பண்பற்றதை டெக்ஸ்ச்சரிங் செய்தலை முடக்கு"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "arbfp ஐ முடக்கு"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "ARB துண்டு நிரல்களைப் பயன்படுத்துவதை முடக்கு"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "நிலையானவற்றை முடக்கு"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "நிலையான செயல்தொகுதி பைப்லைன் பின்புல முறைமையைப் பயன்படுத்துவதை முடக்கு"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "GLSL ஐ முடக்கு"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "GLSL பயன்பாட்டை முடக்கு"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "கலத்தலை முடக்கு"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "கலத்தலைப் பயன்படுத்துவதை முடக்கு"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "அடுக்கு இரன்டு என அல்லாத டெக்ஸ்ச்சர்களை முடக்கு"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"GL இயக்ககங்கள் NPOT டெக்ஸ்ச்சர்களை ஆதரிக்காது, ஆகவே அது கூறிட்ட டெக்ஸ்ச்சர்கள் அல்லது வீணான "
+"டெக்ஸ்ச்சர்களை உருவாக்கும் என Cogl ஐ நினைத்துக்கொள்ளச் செய்யும்."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "மென்பொருள் கிளிப்பிங்கை முடக்கு"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+"மென்பொருளில் சில செவ்வகங்களைக் கிளிப் செய்ய Cogl எடுக்கும் முயற்சிகளை முடக்குகிறது."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "மூலத்தைக் காண்பி"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "உருவாக்கப்பட்ட ARBfp/GLSL மூலக் குறியீட்டைக் காண்பி"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "சில OpenGL ஐத் தடமறி"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "தேர்ந்தெடுக்கப்பட்ட சில OpenGL அழைப்புகளைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "திரையிலல்லாத ஆதரவைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "திரையிலல்லாத ஆதரவை வழுநீக்கு"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "நிரல் தேக்ககங்களை முடக்கு"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "arbfp மற்றும் glsl நிரல்களுக்கு ஃபால்பேக் தேக்ககங்களை முடக்கு"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "பிக்சல் உகப்பாக்குதலைப் படித்தலை முடக்கு"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"ஒளி  ஊடுருவக்கூடிய செவ்வகங்களின் எளிய காட்சிகளுக்கு 1px ஐ வாசிப்பதற்கான உகப்பாக்கலை "
+"முடக்கு"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "கிளிப்பிங்கைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Cogl எப்படி கிளிப்பிங்கை செயல்படுத்துகிறது என்ற தகவலைப் பதிவு செய்யும்"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "செயல்திறன் விவகாரங்களைத் தடமறி"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "உப-உகப்பாக்கல் Cogl பயன்பாட்டைத் தனிப்படுத்திக் காண்பிக்க முயற்சிக்கிறது."
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diff --git a/po/te.po b/po/te.po
new file mode 100644
index 0000000..cb1a187
--- /dev/null
+++ b/po/te.po
@@ -0,0 +1,365 @@
+# Copyright (C) 2011, 2012 Swecha Telugu Localisation Team 
+# This file is distributed under the same license as the PACKAGE package.
+#
+# Sasi Bhushan Boddepalli, 2011.
+# Krishnababu Krothapalli , 2012.
+# GVS.Giri,2012.
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-14 12:37+0530\n"
+"Last-Translator: Krishnababu Krothapalli \n"
+"Language-Team: Telugu \n"
+"Language: te\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"sourceforge.net>\n"
+"Plural-Forms: nplurals=2; plural=n != 1;\n"
+"X-Generator: Lokalize 1.4\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "తోడ్పాటునిచ్చు డీబగ్ విలువలు:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "ప్రత్యేక డీబగ్ విలువలు:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "అన్ని ప్రవర్తన-లేని డీబగ్ ఐచ్చికాలను చేతనంచేయును"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "అదనపు యెన్విరాన్మెంట్ వేరియబల్స్:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "అచేతనమైనవిగా నటించే GL విస్తరింపుల జాబితా"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "డ్రైవర్ తోడ్పాటునిస్తుందని Cogl అనుకొనే GL వర్షన్ వోవర్‌రైడ్ చేయి"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl క్రమబద్దీకరించడానికి దోష నివారణ జెండాలు"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl క్రమరహిత పరచడానికి దోష నివారణ జెండాలు"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl ఇచ్ఛికాలు"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl ఇచ్ఛికాలను చూపుము"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl జాడపట్టుట"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject ప్రస్తావనలు"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "CoglObjects కొరకు డీబగ్ ప్రస్తావన లెక్కింపు సమస్యలు"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "టెక్చర్ స్లైసింగ్ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "టెక్చర్ స్లైసెస్ సృష్టీకరణ డీబగ్"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "అట్లాస్ టెక్చర్ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "టెక్చర్ అట్లాస్ నిర్వహణ డీబగ్ చేయి"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "బ్లెండ్ స్ట్రింగ్స్ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "CoglBlendString పదచ్ఛేదం(పార్శింగ్) డీబగ్ చేయి"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "జర్నల్ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "జర్నల్ ద్వారా మొత్తం జ్యామితి పదచ్ఛేదం(పార్శింగ్) దర్శించు"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "బాచింగ్ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "జర్నల్ నందు జ్యామితి యెలా బాచ్‌డ్ చేయబడెనో చూపు"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "జాడ పట్టు మాట్రిసెస్"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "మొత్తం మాట్రిక్స్ నడుపుదల జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "మిస్క్ చిత్రీకరణ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "కొన్ని మిస్క్ చిత్రీకరణ కార్యములను జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "పాంగో రెండరర్‌ను జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Cogl పాంగో రెండరర్ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "CoglTexturePixmap బాకెండ్ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Cogl టెక్టర్ పిక్స్‌మాప్ బ్యాకెండ్ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "దృశ్యనీయం"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "ఆన్‌లైన్ దీర్ఘచతురస్త్రాలు"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "మొత్త దీర్ఘచతురస్త్ర జ్యామితికి వైర్ కట్టుగీతలు జతచేయి"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "వైర్‌చట్రములను చూపు"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "మొత్తం జ్యామితికి వైర్ కట్టుగీతలను జతచేయి"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "మూల కారణం"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "జర్నల్ బ్యాచింగ్ అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Cogl జర్నల్ నందు జ్యామితి బ్యాచింగ్ అచేతనంచేయి."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "GL వర్టెక్స్ బఫర్స్ అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "OpenGL వర్టెక్స్ బఫర్ వస్తువులు అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "GL పిగ్జెల్ బఫర్స్ అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "OpenGL పిగ్జెల్ బఫర్ వస్తువుల వుపయోగం అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "సాఫ్టువేర్ రెక్ట్ బదలాయింపును అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "దీర్ఘచతురస్త్ర జ్యామితి బదలాయించుటకు GPU  వుపయోగించు"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl నిపుణి"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "అట్లాస్ ప్రతిరూపాలను డంప్‌చేయి"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "టెక్చర్ అట్లాస్ మార్పులను ప్రతిరూప ఫైలునకు డంప్ చేయి"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "టెక్టర్ అట్లాసింగ్ అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "టెక్చర్ అట్లాసింగ్ వుపయోగంను అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "టెక్చర్ అట్లాస్‌ను పాఠము మరియు ప్రతిరూపముల మధ్య పంచుకొనుట అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"ఇది అమర్చివున్నప్పుడు గ్లిఫ్ క్యాచీ యెల్లప్పుడూ ప్రత్యేక టెక్చర్‌ను దాని అట్లాస్ కొరకు వుపయోగించును. లేకపోతే "
+"యిది అట్లాస్‌ను ప్రతిరూపములతో పంచుకొనుటకు ప్రయత్నించును."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "టెక్టరింగ్ అచేతనం చేయి"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "ఏ ధాతువుల టెక్చరింగైనా అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "arbfp అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "ARB ఫ్రాగ్‌మెంట్ ప్రోగ్రామ్స్ అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "నిర్దిష్టత అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "నిర్దిష్ట ప్రమేయ పైప్‌లైన్ బాకెండ్ వుపయోగం అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "GLSL అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "GLSL వుపయోగం అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "మిశ్రణం అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "మిశ్రణం వుపయోగం అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "non-power-of-two టెక్చర్లు అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"GL డ్రైవర్ NPOT టెక్చర్సుకు తోడ్పాటునీయదని Cogl అనుకొనునట్లు చేయును అలా అది వ్యర్థంతో స్లైస్‌డ్ "
+"టెక్చర్స్ లేదా టెక్చర్స్ ను సృష్టిస్తుంది."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "సాఫ్టువేర్ క్లిప్పింగ్ అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "సాఫ్టువేర్ నందు కొన్ని దీర్ఘచతురస్త్రాలను క్లిప్ చేయుటకు Cogl యొక్క ప్రయత్నాలను అచేతనంచేయును."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "మూలమును చూపు"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "జనియింపచేసిన ARBfp/GLSL మూలపు కోడ్ చూపుము"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "OpenGL జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "ఎంపికచేసిన OpenGL కాల్స్ జాడ పట్టును"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "offscreen తోడ్పాటు జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "offscreen తోడ్పాటు డీబగ్ చేయి"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "ప్రోగ్రామ్ క్యాచీలను అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "arbfp మరియు glsl ప్రోగ్రామ్స్ కొరకు ఫాల్‌బాక్ క్యాచీలను అచేతనం చేయి"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "పిగ్జెల్ ఆప్టిమైజేషన్ చదువుట అచేతనం చేయి"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr "అస్వచ్ఛ దీర్ఘచతురస్త్రాల సాదారణ సన్నివేశాల కొరకు 1px చదువుటకు ఆప్టిమైజేషన్ అచేతనంచేయి"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "క్లిప్పింగ్ జాడ పట్టు"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Cogl యెలా క్లిప్పింగ్ అమలుచేస్తోందో గురించిన లాగ్స్ సమాచారం"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "ప్రదర్శన పరిగణలు కనుగోనటం"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "ఉప ఐచ్ఛికం Cogl ఉపయోగ ఎత్తిచూపే ప్రయత్నిస్తుంది."
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diff --git a/po/th.po b/po/th.po
new file mode 100644
index 0000000..fbf6e76
--- /dev/null
+++ b/po/th.po
@@ -0,0 +1,362 @@
+# Thai translation for cogl.
+# Copyright (C) 2012 Free Software Foundation, Inc.
+# This file is distributed under the same license as the cogl package.
+# Unticha Pramgoed , 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl cogl-1.12\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-10-15 13:01+0700\n"
+"Last-Translator: Unticha Pramgoed \n"
+"Language-Team: Thai \n"
+"Language: th\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"X-Generator: Poedit 1.5.3\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "ค่าดีบั๊กที่รองรับ:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "ค่าดีบั๊กพิเศษ:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "เปิดใช้ตัวเลือกดีบั๊กที่ไม่เกี่ยวกับพฤติกรรมทั้งหมด"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "ตัวแปรสภาวะแวดล้อมเพิ่มเติม:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "รายชื่อคั่นด้วยจุลภาคของส่วนขยาย GL ที่จะทำทีว่าปิดใช้งาน"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "ทับค่ารุ่นของ GL ที่ Cogl จะถือว่าไดรเวอร์รองรับ"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "แฟล็กดีบั๊กของ Cogl ที่จะเปิดใช้"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "แฟล็กดีบั๊กของ Cogl ที่จะปิด"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "ตัวเลือกของ Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "แสดงตัวเลือกของ Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "การแกะรอย Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "การอ้าง CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "ดีบั๊กเรื่องจำนวนการอ้างสำหรับ CoglObject"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "แกะรอยการซอยเนื้อวัสดุ"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "ดีบั๊กการสร้างแผ่นซอยของเนื้อวัสดุ"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "แกะรอยเนื้อวัสดุแบบแอตลาส"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "ดีบั๊กการจัดการเนื้อวัสดุแบบแอตลาส"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "แกะรอยข้อความบรรยายการเกลี่ย"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "ดีบั๊กการแจง CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "แกะรอยใบจดคำสั่ง"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "ดูคำสั่งเรขาคณิตทั้งหมดที่ส่งผ่านใบจดคำสั่ง"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "แกะรอยการสร้างชุดคำสั่ง"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "แสดงการสะสมคำสั่งเรขาคณิตเป็นชุดในใบจดคำสั่ง"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "แกะรอยเมทริกซ์"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "แกะรอยการกระทำเมทริกซ์ทั้งหมด"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "แกะรอยการวาดจิปาถะ"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "แกะรอยการกระทำบางอย่างที่เกี่ยวกับการวาดจิปาถะ"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "แกะรอยตัววาด Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "แกะรอยตัววาด Pango ของ Cogl"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "แกะรอยแบ็กเอนด์ CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "แกะรอยแบ็กเอนด์ภาพเนื้อวัสดุแบบบิตแมปของ Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "การแสดงวัตถุ"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "ตีเส้นโครงสี่เหลี่ยม"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "เพิ่มเส้นโครงของวัตถุเรขาคณิตรูปสี่เหลี่ยมผืนผ้าทั้งหมด"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "แสดงโครงลวด"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "เพิ่มเส้นโครงลวดของวัตถุเรขาคณิตทั้งหมด"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "การจัดแจงระดับราก"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "ปิดการสะสมคำสั่งเป็นชุดในใบจดคำสั่ง"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "ปิดการสะสมคำสั่งเรขาคณิตเป็นชุดในใบจดคำสั่งของ Cogl"
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "ปิดบัฟเฟอร์จุดยอดของ GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "ปิดการใช้วัตถุบัฟเฟอร์จุดยอดของ OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "ปิดบัฟเฟอร์พิกเซลของ GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "ปิดการใช้วัตถุบัฟเฟอร์พิกเซลของ OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "ปิดการแปลงสี่เหลี่ยมด้วยซอฟต์แวร์"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "ใช้ GPU ในการแปลงเรขาคณิตสี่เหลี่ยมผืนผ้า"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "ผู้ชำนาญเฉพาะ Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "ดัมป์ภาพแอตลาส"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "ดัมป์การเปลี่ยนแปลงในแอตลาสของเนื้อวัสดุออกเป็นแฟ้มรูปภาพ"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "ปิดการทำแอตลาสกับเนื้อวัสดุ"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "ปิดการทำแอตลาสกับเนื้อวัสดุ"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "ปิดการใช้แอตลาสเนื้อวัสดุร่วมกันระหว่างข้อความและรูปภาพ"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"เมื่อกำหนดค่านี้ แคชของ glyph จะใช้เนื้อวัสดุต่างหากในแอตลาสที่ใช้เสมอ มิฉะนั้น "
+"ก็จะพยายามใช้แอตลาสร่วมกับรูปภาพต่างๆ"
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "ปิดการใส่เนื้อวัสดุ"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "ปิดการใส่เนื้อวัสดุกับวัตถุมูลฐานใดๆ"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "ปิดการใช้ arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "ปิดการใช้โปรแกรมคำนวณชิ้นส่วนแบบ ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "ปิดฟังก์ชันตายตัว"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "ปิดการใช้แบ็กเอนด์ของไปป์ไลน์แบบฟังก์ชันตายตัว"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "ปิดการใช้ GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "ปิดการใช้งาน GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "ปิดการเกลี่ย"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "ปิดใช้งานการเกลี่ย"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "ปิดการใช้เนื้อวัสดุที่ไม่ใช่กำลังของสอง"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"กำหนดให้ Cogl คิดว่าไดรเวอร์ GL ไม่รองรับข้อมูลเนื้อวัสดุแบบ NPOT (ไม่ใช่กำลังของสอง) เพื่อให้ "
+"Cogl สร้างเนื้อวัสดุแบบซอยหรือเนื้อวัสดุที่เป็นขยะแทน"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "ปิดการขริบด้วยซอฟต์แวร์"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "ปิดไม่ให้ Cogl พยายามขริบสี่เหลี่ยมผืนผ้าด้วยซอฟต์แวร์"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "แสดงซอร์ส"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "แสดงซอร์ดโค้ด ARBfp/GLSL ที่สร้าง"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "แกะรอย OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "แกะรอยการเรียก OpenGL ที่เลือก"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "แกะรอยการรองรับการวาดนอกจอ"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "ดีบั๊กการรองรับการวาดนอกจอ"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "ปิดการใช้แคชของโปรแกรม"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "ปิดการใช้แคชสำรองสำหรับโปรแกรม arbfp และ glsl "
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "ปิดการปรับประสิทธิภาพการอ่านพิกเซล"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr "ปิดการปรับประสิทธิภาพของการอ่าน 1px สำหรับกรณีอย่างง่ายของสี่เหลี่ยมทึบ"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "แกะรอยการขริบ"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "เก็บปูมข้อมูลเกี่ยวกับการทำงานของ Cogl ในการขริบ"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "แกะรอยเกี่ยวกับประสิทธิภาพ"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "พยายามชี้การใช้งาน Cogl ที่ด้อยประสิทธิภาพ"
diff --git a/po/tr.gmo b/po/tr.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..af1801b441ce1dbe2d5df7d5d70ed9988059433c
GIT binary patch
literal 973
zcmah{&ubJh6dtuIu3i+xLlqtfqLj?e)J4m*YpeYsrCnOOqj-~a<~18PlMIeI7{+#IK2O5q}`2
zBf%8m*Px}~+&DNrX7BT?pD!DsV5@Y}=xP+?xLXS$wSYavMFq}4h3>C=wf4K+o_Ptw
zTxOiBTVf`;f?+z?=c>jk3A%Mz8tX7WvA%813(Oo_&)HM76}d?u^VSMpIkb%(^v77I
z5;A9xYEiM&B+zrNOqxyddnlFSq0pwl&{)w#O{bpIMwkh?SXz_UnQLdNc0SwoR?3zw
za$hxD;SLj+jp7!I?z5-`aVxponu+2lA|czsed+y7bTNzRy9aTcMDa{COS(;R$x_R8
zrMNRTfll4yMS%`BxaF`=jKi?MBnmE7n3>`MozkM_0$GZ@NFc3kUsgR>7?!~tg-gFH
zny3?Sw$WMdtWN$^97c_0LnUi+aZpk@4qv%uskqehkoCBwH)=mg*Vx=d=iTn1Wve, 2011.
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-11-16 11:01+0200\n"
+"Last-Translator: Muhammet Kara \n"
+"Language-Team: Turkish \n"
+"Language: tr\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+"X-Generator: Lokalize 1.2\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Desteklenen hata ayıklama değerleri:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Özel hata ayıklama değerleri:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Atanacak Cogl hata ayıklama imleri"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Kaldırılacak Cogl hata ayıklama imleri"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl Seçenekleri"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl seçeneklerini göster"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
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diff --git a/po/ug.po b/po/ug.po
new file mode 100644
index 0000000..097bc1e
--- /dev/null
+++ b/po/ug.po
@@ -0,0 +1,363 @@
+# Uyghur translation for cogl.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# Gheyret Kenji , 2012.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2013-03-17 13:32+0900\n"
+"Last-Translator: Gheyret Kenji \n"
+"Language-Team: Uyghur Computer Science Association \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "قوللايدىغان سازلاش قىممەتلىرى:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "ئالاھىدە سازلاش قىممەتلىرى:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "بارلىق non-behavioural سازلاش تاللانمىلىرىنى ئىناۋەتلىك قىلسۇن"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "قوشۇمچە مۇھىت ئۆزگەرگۈچىلىرى:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+"GL كېڭەيتىلمىسىدەك كۆرۈنىدىغان بىراق ئىشلەتكىلى بولمايدىغان، پەش ئارقىلىق "
+"ئايرىلغان تىزىم"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "قوزغاتقۇ قوللايدۇ دەپ Cogl پەرەز قىلغان GL نىڭ نەشرىنى يېپىۋەت"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Cogl  نىڭ بەلگىلەيدىغان سازلاش تاللانمىلىرى"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Cogl  نىڭ قىممىتى يوق قىلىنىدىغان سازلاش تاللانمىلىرى"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl  تاللانمىلىرى"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Cogl  تاللانمىلىرى كۆرسىتىش"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl ئىزلىشى"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject پايدىلانمىلىرى"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "CoglObjects پايدىلانمىلىرىنىڭ ساناش مەسىلىسىنى سازلايدۇ"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Texture Slicing نى ئىزلاش"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "texture slices نىڭ قۇرۇلۇشىنى سازلاش"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Atlas Textures نى ئىزلاش"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "texture atlas باشقۇرۇشنى سازلاش"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "تېكىستنى بىرىكتۈرۈشنى ئىزلا"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "CoglBlendString نى تەھلىل قىلىشنى سازلايدۇ"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "ژۇرنالنى ئىزلا"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "ژۇرنالغا يوللاپ بېرىلگەن بارلىق شەكىللەرنى كۆرىدۇ"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "توپ بىر تەرەپ قىلىشنى ئىزلا"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "ژۇرنالدا شەكىللەرنىڭ قانداق توپ بىر تەرەپ قىلىنىدىغانلىقىنى كۆرسىتىدۇ"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "ماترىتسانى ئىزلا"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "بارلىق ماترىتسا مەشغۇلاتىنى ئىزلايدۇ"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "باشقا سىزىشنى ئىزلا"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "باشقا سىزىش مەشغۇلاتلىرىنى ئىزلايدۇ"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "پانگو سىزغۇچىنى ئىزلا"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Cogl پانگو سىزغۇچىنى ئىزلايدۇ"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "CoglTexturePixmap ئارقا ئۇچنى ئىزلا"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Cogl Texture Pixmap ئارقا ئۇچىنى ئىزلايدۇ"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "سۈرەتلەشتۈر"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "تىك تۆت تەرەپلىكنىڭ ئىزناسى"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "تىك تۆت تەرەپلىك شەكىللەرنىڭ سىم ئىزناسىنى قوشىدۇ"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "سىملىق قۇرۇلمىسىنى كۆرسەت"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "بارلىق شەكىللەرگە سىم ئىزنا قوشىدۇ"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "ئەسلى سەۋەبى"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "ژۇرنال بىر تەرەپ قىلىشنى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+"Cogl ژۇرنالدىكى سىرتقى كۆرۈنۈشنى توپ بىر تەرەپ قىلىشنى ئىناۋەتسىز قىلىدۇ."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "GL Vertex يىغلەكىنى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "OpenGL نىڭ vertex يىغلەك نەڭلىرىنى ئىناۋەتسىز قىلىدۇ"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "GL نىڭ پىكسېل يىغلەكىنى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "\"OpenGL نىڭ پىكسېل يىغلەك نەڭلىرىنى ئىناۋەتسىز قىلىدۇ"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "يۇمشاق دېتالدا تىك تۆتبۇلۇڭ ئۆزگەرتىشنى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "بۇنىڭ ئۈچۈن GPU نىڭ ئۆزگەرتىش ئىقتىدارىنى ئىشلىتىدۇ"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl مۇتەخەسسىسى"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "atlas سۈرەتلىرىگە تۆكسۇن"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "texture atlas نىڭ ئۆزگىرىشلىرىنى سۈرەت ھۆججىتىگە تۆكىدۇ"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "texture atlasing نى ئىناۋەتسىز قىلسۇن"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "texture atlasing ئىشلىتىشنى ئىناۋەتسىز قىلسۇن"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+"تېكىست بىلەن سۈرەت ئارىسىدا texture atlas نى ھەمبەھىر قىلىشنى ئىناۋەتسىز "
+"قىلىدۇ"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "texturing نى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "arbfp نى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "ARB پارچە پروگراممىلىرىنى ئىشلىتىشنى ئىناۋەتسىز قىلىدۇ"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "مۇقىم ئىقتىدار نەيچىسىنى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "مۇقىم ئىقتىدار نەيچىسىنىڭ ئارقا ئۇچنى ئىشلىتىشنى ئىناۋەتسىز قىلىدۇ"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "GLSL نى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "GLSL نى ئىشلىتىشنى ئىناۋەتسىز قىلىدۇ"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "ئارىلاشتۇرۇش(blending)نى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "ئارىلاشتۇرۇش(blending)نى ئىشلىتىشنى ئىناۋەتسىز قىلىدۇ"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "ئەسلى كودىنى كۆرسەت"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "ھاسىللانغان ARBfp/GLSL ئەسلى كودىنى كۆرسىتىدۇ"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "بىر قىسىم OpenGL نى ئىزلا"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "بىر قىسىم OpenGL چاقىرىشلىرىنى ئىزلايدۇ"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "ئېكرانسىز قوللاشنى ئىزلا"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "ئېكرانسىز قوللاشنى سازلايدۇ"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "پروگرامما غەملىكىنى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+"بۇ، arbfp ۋە glsl پروگراممىلىرىنىڭ fallback غەملىكىنى ئىناۋەتسىز قىلىدۇ"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "پىكسېل ئوقۇشنى ئەلالاشتۇرۇشنى ئىناۋەتسىز قىل"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
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diff --git a/po/uk.po b/po/uk.po
new file mode 100644
index 0000000..8eef6ad
--- /dev/null
+++ b/po/uk.po
@@ -0,0 +1,366 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
+# This file is distributed under the same license as the PACKAGE package.
+# Daniel Korostil , 2014.
+msgid ""
+msgstr ""
+"Project-Id-Version: 1.0\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2014-02-13 11:24+0300\n"
+"Last-Translator: Daniel Korostil \n"
+"Language-Team: linux.org.ua\n"
+"Language: uk\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
+"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+"X-Generator: Virtaal 0.7.1\n"
+"X-Project-Style: gnome\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "Підтримувані зневаджувальні значення:"
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "Особливі зневаджувальні значення:"
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "Вмикає всі неповедінкові зневаджувальні параметри"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "Додаткові змінні середовища:"
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "Список, розділений комою, розширень GL, які варто вимкнути"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "Перезаписати версію GL, яку Cogl вважає, що драйвер підтримує"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Прапорці зневадження Cogl для встановлення"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Прапорці зневадження Cogl для усунення"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Параметри Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Показати параметри Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Трасування Cogl"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "Посилання CoglObject"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "Зневаджувальне підрахування помилок посилань CoglObjects"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "Маршрут нарізування текстур"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "Зневадження створення нарізів текстур"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "Маршрут текстур атласу"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "Керування зневадженням текстур атласу"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "Маршрут суміші рядків"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "Зневаджувальний аналізатор CoglBlendString"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "Маршрут журналу"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "Переглянути всі геометрії, які проходять через журнал"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "Маршрут пакування"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "Показати геометрію, яку запаковано в журнал"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "Маршрут матриці"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "Маршрут усіх маніпуляцій матрицею"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "Маршрут іншого малювання"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "Маршрут деяких інших операції щодо малювання"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "Маршрут відтворення Pango"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "Маршрут відтворення Cogl Pango"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "Маршрут модуля CoglTexturePixmap"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "Маршрут модуля зображення текстур Cogl"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "Візуалізувати"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "Контурні прямокутники"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "Додати прямий контур для всієї прямокутної геометрії"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "Показати каркаси"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "Додати прямі контури для всієї геометрії"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "Корінна причина"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "Вимкнути пакування журналу"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "Вимкнути пакування геометрії в журналі Cogl."
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "Вимкнути вершинні буфери GL"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "Вимкнути об'єкти вершинного буфера OpenGL"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "Вимкнути зображувальні буфери GL"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "Вимкнути об'єкти зображувального буфера OpenGL"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "Вимкнути прямокутного перетворення у програмі "
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "Використати GPU для перетворення прямокутної геометрії"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Знавець з Cogl"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "Дамп зображень атласу"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "Дамп змін текстур атласу для малюнку"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "Вимкнути текстури атласу"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "Вимкнути використання текстур атласу"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "Вимкнути обмін текстур атласу між текстом і зображенням"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"Коли це вказано, кеш гліфів завжди використовуватиме окремі текстури для "
+"свого атласу. Інакше воно намагатиметься поділити атлас через зображення."
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "Вимкнути текстури"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "Вимкнути текстури будь-яких примітивів"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "Вимкнути arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "Вимкнути використання програм з фрагментами ARB"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "Вимкнути fixed"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "Вимкнути використання функції fixed для модуля каналу даних"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "Вимкнути GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "Вимкнути використання GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "Вимкнути накладання"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "Вимкнути використання накладання"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "Вимкнути текстури non-power-of-two"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"Змушує Cogl уважати, що драйвер GL не підтримує текстури NPOT, тобто він "
+"створить нарізані текстури або натомість текстури з обрізків."
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "Вимкнути програмне обрізання"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "Вимкнути спроби Cogl обрізати деякі прямокутники в програмі."
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "Показати джерело"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "Показати породжений код ARBfp/GLSL"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "Маршрут деяких OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "Маршрут деяких вибраних викликів OpenGL"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "Маршрут закадрового підтримування"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "Зневадження закадрового підтримування"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "Вимкнути кеші програм"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "Вимкнути запасні кеші для програм arbfp і glsl"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "Вимкнути оптимізування пікселів для читання"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+"Вимкнути оптимізування для читання одного пікселя для простих сцен "
+"непрозорих прямокутників"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "Маршрут обрізання"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "Записує інформацію про спосіб реалізації обрізання в Cogl"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "Слідкувати за проблемами продуктивності"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "Намагається висвітлювати підоптмальне використання Cogl."
diff --git a/po/vi.gmo b/po/vi.gmo
new file mode 100644
index 0000000000000000000000000000000000000000..bcdb243db694ffb08070349cc7cb2738e44e8355
GIT binary patch
literal 780
zcmZ{hJ8u&~5P%N|Lb7O}LOi7DqdnglOGKAAM6nYQ2@@+EY0>7qUN73)J?+C_dIS`d
zKt(|f2no8JsM1hUQXw6Gfj_{UZQ%lCq;Gd-XLfdG=hx+x*8$3T^|}4kJmq1*gF>cdE~;+IxSjAHyt{UgR1W{fK3b>k-p_(NVYwadWeoNcb0z`hf$-e
z@iP?GH!ZMH$DX)mA*oR7kd3Lqd2}A6yJT${SNAbuhU}, 2011.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2011-10-02 11:02+1100\n"
+"Last-Translator: Nguyễn Thái Ngọc Duy \n"
+"Language-Team: Vietnamese \n"
+"Language: vi\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr ""
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr ""
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr ""
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr ""
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr ""
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "Bật cờ tìm lỗi Cogl"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "Tắt cờ tìm lỗi Cogl"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Tuỳ chọn Cogl"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "Hiện tuỳ chọn Cogl"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr ""
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr ""
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr ""
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zC7ZodXEVq5%dBiUmYwaC+?pQFwY-77^0ZUj-c, 2011.
+# 甘霖 , 2012.
+# fenghelong , 2012.
+# YunQiang Su , 2012.
+# Wylmer Wang , 2014.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl master\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2014-03-08 20:33+0800\n"
+"Last-Translator: Wylmer Wang \n"
+"Language-Team: Chinese (simplified) \n"
+"Language: zh_CN\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bits\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+"X-Generator: Gtranslator 2.91.5\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "支持的调试值："
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "特殊的调试值："
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "启用所有非行为调式选项"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "附加环境变量："
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "逗号分隔的待伪装(pretend) GL 扩展列表 已禁用"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "覆盖 Cogl 将假设驱动支持的 GL 版本"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "要设置的 Cogl 调试选项"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "要清除的 Cogl 调试选项"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl 选项"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "显示  Cogl 选项"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl 跟踪"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject 引用"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "调试 CoglObjects 的引用计数问题"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "跟踪纹理切片"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "调试纹理切片的创建"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "跟踪 Atlas 纹理"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "调试纹理 atlas 管理"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "跟踪混合字符串"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "调试 CoglBlendString 解析"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "跟踪日志"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "查看所有通过日志传递的几何体"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "跟踪批处理"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "显示几何体在日志中批处理的情况"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "跟踪矩阵"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "跟踪所有矩阵操作"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "跟踪混杂绘制"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "跟踪一些混杂的绘制操作"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "跟踪 Pango 渲染器"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "跟踪 Cogl Pango 渲染器"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "跟踪 CoglTexturePixmap 后端"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "跟踪 Cogl 纹理 pixmap 后端"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "可视化"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "突显矩形"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "对所有矩形形状添加实线外框"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "显示线框"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "对所有形状添加线框"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "根目标"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "禁用日志批处理"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "在 Cogl 日志中禁用几何体批处理"
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "禁用 GL Vertex 缓冲"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "禁用使用 OpenGL 顶点缓存对象"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "禁用 GL 像素缓存"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "禁止使用 OpenGL 像素缓存对象"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "禁用软件矩形变换"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "使用 GPU 来变换矩形"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl 专家"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "转储 Atlas 图像"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "将纹理 Atlas 更改转储为图像文件"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "禁用纹理平滑"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "禁止使用纹理平滑"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "禁用文本和图形间的纹理 Atlas 共享"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"一旦设置，图形字符缓存 Atlas 将总是使用单独的纹理。否则，它将尝试与图像共享 "
+"Atlas。"
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "禁用纹理"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "禁止用任何元素使用纹理"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "禁用 arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "禁用 ARB 分割程序"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "禁止固定(fixed)"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "禁用固定的(fixed)函数管道后端"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "禁用 GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "禁止使用 GLSL"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "禁用混合"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "禁止使用混合"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "禁用(数量)非2的幂的纹理"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"使 Cogl 认为 GL 驱动不支持 NPOT 纹理，以便使它创建切片纹理或用无效纹理代替。"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "禁用软件裁剪"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "禁止 Cogl 在软件中尝试裁剪某些矩形。"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "显示源代码"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "显示生成的 ARBfp/GLSL 源代码"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "跟踪某些 OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "跟踪某些选择 OpenGL 的调用"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "跟踪幕后(offscreen)支持"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "调试幕后(offscreen)支持"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "禁用程序缓存"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "禁用 arbfp 和 glsl 程序的后备缓存"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "禁用读取像素优化"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr "禁止对在透明矩形场景中读取单个像素操作的优化"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "跟踪裁剪"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "记录有关 Cogl 如何实施裁剪的信息"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "跟踪性能问题"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "尝试突出显示欠佳的 Cogl 使用。"
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diff --git a/po/zh_HK.po b/po/zh_HK.po
new file mode 100644
index 0000000..35a2dbc
--- /dev/null
+++ b/po/zh_HK.po
@@ -0,0 +1,360 @@
+# Chinese (Hong Kong) translation for cogl.
+# Copyright (C) 2011 cogl's COPYRIGHT HOLDER
+# This file is distributed under the same license as the cogl package.
+# FIRST AUTHOR , YEAR.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: cogl 2.0.0\n"
+"Report-Msgid-Bugs-To: http://bugzilla.gnome.org/enter_bug.cgi?"
+"product=clutter\n"
+"POT-Creation-Date: 2014-07-04 14:34+0100\n"
+"PO-Revision-Date: 2012-08-07 13:19+0800\n"
+"Last-Translator: Chao-Hsiung Liao \n"
+"Language-Team: Chinese (Hong Kong) \n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: cogl/cogl-debug.c:181
+msgid "Supported debug values:"
+msgstr "支援的除錯數值："
+
+#: cogl/cogl-debug.c:186
+msgid "Special debug values:"
+msgstr "特殊的除錯數值："
+
+#: cogl/cogl-debug.c:188 cogl/cogl-debug.c:190
+msgid "Enables all non-behavioural debug options"
+msgstr "啟用所有非行為性的除錯選項"
+
+#: cogl/cogl-debug.c:197
+msgid "Additional environment variables:"
+msgstr "額外的環境變數："
+
+#: cogl/cogl-debug.c:198
+msgid "Comma-separated list of GL extensions to pretend are disabled"
+msgstr "準備停用的 GL 擴充功能清單 (以逗號分隔)"
+
+#: cogl/cogl-debug.c:200
+msgid "Override the GL version that Cogl will assume the driver supports"
+msgstr "覆蓋 Cogl 假設驅動程式會支援的 GL 版本"
+
+#: cogl/cogl-debug.c:244
+msgid "Cogl debugging flags to set"
+msgstr "準備設定的 Cogl 偵錯旗標"
+
+#: cogl/cogl-debug.c:246
+msgid "Cogl debugging flags to unset"
+msgstr "準備去除的 Cogl 偵錯旗標"
+
+#: cogl/cogl-debug.c:295
+msgid "Cogl Options"
+msgstr "Cogl 選項"
+
+#: cogl/cogl-debug.c:296
+msgid "Show Cogl options"
+msgstr "顯示 Cogl 選項"
+
+#: cogl/cogl-debug-options.h:32 cogl/cogl-debug-options.h:37
+#: cogl/cogl-debug-options.h:42 cogl/cogl-debug-options.h:47
+#: cogl/cogl-debug-options.h:52 cogl/cogl-debug-options.h:57
+#: cogl/cogl-debug-options.h:62 cogl/cogl-debug-options.h:68
+#: cogl/cogl-debug-options.h:73 cogl/cogl-debug-options.h:78
+#: cogl/cogl-debug-options.h:165 cogl/cogl-debug-options.h:170
+#: cogl/cogl-debug-options.h:175 cogl/cogl-debug-options.h:191
+#: cogl/cogl-debug-options.h:196
+msgid "Cogl Tracing"
+msgstr "Cogl 追蹤"
+
+#: cogl/cogl-debug-options.h:34
+msgid "CoglObject references"
+msgstr "CoglObject 參照"
+
+#: cogl/cogl-debug-options.h:35
+msgid "Debug ref counting issues for CoglObjects"
+msgstr "CoglObjects 的除錯參考持續問題"
+
+#: cogl/cogl-debug-options.h:39
+msgid "Trace Texture Slicing"
+msgstr "追蹤材質切割"
+
+#: cogl/cogl-debug-options.h:40
+msgid "debug the creation of texture slices"
+msgstr "材質切割建立的除錯"
+
+#: cogl/cogl-debug-options.h:44
+msgid "Trace Atlas Textures"
+msgstr "追蹤圖集材質"
+
+#: cogl/cogl-debug-options.h:45
+msgid "Debug texture atlas management"
+msgstr "除錯材質圖集管理"
+
+#: cogl/cogl-debug-options.h:49
+msgid "Trace Blend Strings"
+msgstr "追蹤混合字串"
+
+#: cogl/cogl-debug-options.h:50
+msgid "Debug CoglBlendString parsing"
+msgstr "除錯 CoglBlendString 解析"
+
+#: cogl/cogl-debug-options.h:54
+msgid "Trace Journal"
+msgstr "追蹤日誌"
+
+#: cogl/cogl-debug-options.h:55
+msgid "View all the geometry passing through the journal"
+msgstr "檢視所有通過日誌的位置大小"
+
+#: cogl/cogl-debug-options.h:59
+msgid "Trace Batching"
+msgstr "追蹤批次"
+
+#: cogl/cogl-debug-options.h:60
+msgid "Show how geometry is being batched in the journal"
+msgstr "顯示日誌中批次的幾何大小如何"
+
+#: cogl/cogl-debug-options.h:64
+msgid "Trace matrices"
+msgstr "追蹤矩陣"
+
+#: cogl/cogl-debug-options.h:65
+msgid "Trace all matrix manipulation"
+msgstr "追蹤所有的矩陣操作"
+
+#: cogl/cogl-debug-options.h:70
+msgid "Trace Misc Drawing"
+msgstr "追蹤雜項繪製"
+
+#: cogl/cogl-debug-options.h:71
+msgid "Trace some misc drawing operations"
+msgstr "追蹤某些繪製操作"
+
+#: cogl/cogl-debug-options.h:75
+msgid "Trace Pango Renderer"
+msgstr "追蹤 Pango 繪製器"
+
+#: cogl/cogl-debug-options.h:76
+msgid "Trace the Cogl Pango renderer"
+msgstr "追蹤 Cogl Pango 繪製器"
+
+#: cogl/cogl-debug-options.h:80
+msgid "Trace CoglTexturePixmap backend"
+msgstr "追蹤 CoglTexturePixmap 後端"
+
+#: cogl/cogl-debug-options.h:81
+msgid "Trace the Cogl texture pixmap backend"
+msgstr "追蹤 Cogl Pango 材質點陣圖後端"
+
+#: cogl/cogl-debug-options.h:83 cogl/cogl-debug-options.h:88
+msgid "Visualize"
+msgstr "視覺化"
+
+#: cogl/cogl-debug-options.h:85
+msgid "Outline rectangles"
+msgstr "矩形外框"
+
+#: cogl/cogl-debug-options.h:86
+msgid "Add wire outlines for all rectangular geometry"
+msgstr "為所有的矩形位置大小加入線框"
+
+#: cogl/cogl-debug-options.h:90
+msgid "Show wireframes"
+msgstr "顯示線框"
+
+#: cogl/cogl-debug-options.h:91
+msgid "Add wire outlines for all geometry"
+msgstr "為所有的位置大小加入線框"
+
+#: cogl/cogl-debug-options.h:93 cogl/cogl-debug-options.h:98
+#: cogl/cogl-debug-options.h:103 cogl/cogl-debug-options.h:108
+#: cogl/cogl-debug-options.h:118 cogl/cogl-debug-options.h:123
+#: cogl/cogl-debug-options.h:129 cogl/cogl-debug-options.h:134
+#: cogl/cogl-debug-options.h:139 cogl/cogl-debug-options.h:144
+#: cogl/cogl-debug-options.h:149 cogl/cogl-debug-options.h:154
+#: cogl/cogl-debug-options.h:160 cogl/cogl-debug-options.h:180
+#: cogl/cogl-debug-options.h:185
+msgid "Root Cause"
+msgstr "根本原因"
+
+#: cogl/cogl-debug-options.h:95
+msgid "Disable Journal batching"
+msgstr "停用日誌批次"
+
+#: cogl/cogl-debug-options.h:96
+msgid "Disable batching of geometry in the Cogl Journal."
+msgstr "停用 Cogl 日誌中位置大小的批次。"
+
+#: cogl/cogl-debug-options.h:100
+msgid "Disable GL Vertex Buffers"
+msgstr "停用 GL 頂端緩衝區"
+
+#: cogl/cogl-debug-options.h:101
+msgid "Disable use of OpenGL vertex buffer objects"
+msgstr "停用 OpenGL 頂端緩衝區物件的使用"
+
+#: cogl/cogl-debug-options.h:105
+msgid "Disable GL Pixel Buffers"
+msgstr "停用 GL 像素緩衝區"
+
+#: cogl/cogl-debug-options.h:106
+msgid "Disable use of OpenGL pixel buffer objects"
+msgstr "停用 OpenGL 像素緩衝區物件的使用"
+
+#: cogl/cogl-debug-options.h:110
+msgid "Disable software rect transform"
+msgstr "停用軟件矩形變形"
+
+#: cogl/cogl-debug-options.h:111
+msgid "Use the GPU to transform rectangular geometry"
+msgstr "使用 GPU 來轉變矩形位置大小"
+
+#: cogl/cogl-debug-options.h:113
+msgid "Cogl Specialist"
+msgstr "Cogl 專家"
+
+#: cogl/cogl-debug-options.h:115
+msgid "Dump atlas images"
+msgstr "傾印圖集影像"
+
+#: cogl/cogl-debug-options.h:116
+msgid "Dump texture atlas changes to an image file"
+msgstr "將材質圖集更改傾印到影像檔案"
+
+#: cogl/cogl-debug-options.h:120
+msgid "Disable texture atlasing"
+msgstr "停用材質圖集"
+
+#: cogl/cogl-debug-options.h:121
+msgid "Disable use of texture atlasing"
+msgstr "停用材質圖集的使用"
+
+#: cogl/cogl-debug-options.h:125
+msgid "Disable sharing the texture atlas between text and images"
+msgstr "停用在文字與影像間分享材質圖集"
+
+#: cogl/cogl-debug-options.h:126
+msgid ""
+"When this is set the glyph cache will always use a separate texture for its "
+"atlas. Otherwise it will try to share the atlas with images."
+msgstr ""
+"當這些設為圖表快取將會永遠為個別材質使用圖集。否則它會嘗試與影像分享圖集。"
+
+#: cogl/cogl-debug-options.h:131
+msgid "Disable texturing"
+msgstr "停用材質"
+
+#: cogl/cogl-debug-options.h:132
+msgid "Disable texturing any primitives"
+msgstr "停用任何原型的材質"
+
+#: cogl/cogl-debug-options.h:136
+msgid "Disable arbfp"
+msgstr "停用 arbfp"
+
+#: cogl/cogl-debug-options.h:137
+msgid "Disable use of ARB fragment programs"
+msgstr "停用 ARB 片段程式的使用"
+
+#: cogl/cogl-debug-options.h:141
+msgid "Disable fixed"
+msgstr "停用修正"
+
+#: cogl/cogl-debug-options.h:142
+msgid "Disable use of the fixed function pipeline backend"
+msgstr "停用修正函數導管後端的使用"
+
+#: cogl/cogl-debug-options.h:146
+msgid "Disable GLSL"
+msgstr "停用 GLSL"
+
+#: cogl/cogl-debug-options.h:147
+msgid "Disable use of GLSL"
+msgstr "停用 GLSL的使用"
+
+#: cogl/cogl-debug-options.h:151
+msgid "Disable blending"
+msgstr "停用混合"
+
+#: cogl/cogl-debug-options.h:152
+msgid "Disable use of blending"
+msgstr "停用混合的使用"
+
+#: cogl/cogl-debug-options.h:156
+msgid "Disable non-power-of-two textures"
+msgstr "停用 non-power-of-two 材質"
+
+#: cogl/cogl-debug-options.h:157
+msgid ""
+"Makes Cogl think that the GL driver doesn't support NPOT textures so that it "
+"will create sliced textures or textures with waste instead."
+msgstr ""
+"讓 Cogl 認為 GL 驅動程式不支援 NPOT 材質，如此它會建立切割的材質或耗費的材質"
+"來代替。"
+
+#: cogl/cogl-debug-options.h:162
+msgid "Disable software clipping"
+msgstr "停用軟件剪裁"
+
+#: cogl/cogl-debug-options.h:163
+msgid "Disables Cogl's attempts to clip some rectangles in software."
+msgstr "停用 Cogl 在軟件中嘗試剪裁某些矩形。"
+
+#: cogl/cogl-debug-options.h:167
+msgid "Show source"
+msgstr "顯示來源"
+
+#: cogl/cogl-debug-options.h:168
+msgid "Show generated ARBfp/GLSL source code"
+msgstr "顯示產生的 ARBfp/GLSL 原始碼"
+
+#: cogl/cogl-debug-options.h:172
+msgid "Trace some OpenGL"
+msgstr "追蹤某些 OpenGL"
+
+#: cogl/cogl-debug-options.h:173
+msgid "Traces some select OpenGL calls"
+msgstr "追蹤某些選取的 OpenGL 呼叫"
+
+#: cogl/cogl-debug-options.h:177
+msgid "Trace offscreen support"
+msgstr "追蹤螢幕外支援"
+
+#: cogl/cogl-debug-options.h:178
+msgid "Debug offscreen support"
+msgstr "除錯螢幕外支援"
+
+#: cogl/cogl-debug-options.h:182
+msgid "Disable program caches"
+msgstr "停用程式快取"
+
+#: cogl/cogl-debug-options.h:183
+msgid "Disable fallback caches for arbfp and glsl programs"
+msgstr "停用 arbfp 和 glsl 程式的後備快取"
+
+#: cogl/cogl-debug-options.h:187
+msgid "Disable read pixel optimization"
+msgstr "停用讀取像素最佳化"
+
+#: cogl/cogl-debug-options.h:188
+msgid ""
+"Disable optimization for reading 1px for simple scenes of opaque rectangles"
+msgstr "停用不透明矩形的簡單場景讀取 1px 的最佳化"
+
+#: cogl/cogl-debug-options.h:193
+msgid "Trace clipping"
+msgstr "追蹤剪裁"
+
+#: cogl/cogl-debug-options.h:194
+msgid "Logs information about how Cogl is implementing clipping"
+msgstr "關於 Cogl 如何實作剪裁的紀錄資訊"
+
+#: cogl/cogl-debug-options.h:198
+msgid "Trace performance concerns"
+msgstr "追縱效能重視"
+
+#: cogl/cogl-debug-options.h:199
+msgid "Tries to highlight sub-optimal Cogl usage."
+msgstr "嘗試突顯次要最佳化 Cogl 使用率。"
diff --git a/po/zh_TW.gmo b/po/zh_TW.gmo
new file mode 100644
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